1afaf5a2dSDavid Somayajulu /* 2afaf5a2dSDavid Somayajulu * QLogic iSCSI HBA Driver 34a4f51e9SVikas Chaudhary * Copyright (c) 2003-2013 QLogic Corporation 4afaf5a2dSDavid Somayajulu * 5afaf5a2dSDavid Somayajulu * See LICENSE.qla4xxx for copyright and licensing details. 6afaf5a2dSDavid Somayajulu */ 7afaf5a2dSDavid Somayajulu #include <linux/moduleparam.h> 85a0e3ad6STejun Heo #include <linux/slab.h> 92a991c21SManish Rangankar #include <linux/blkdev.h> 102a991c21SManish Rangankar #include <linux/iscsi_boot_sysfs.h> 1113483730SMike Christie #include <linux/inet.h> 12afaf5a2dSDavid Somayajulu 13afaf5a2dSDavid Somayajulu #include <scsi/scsi_tcq.h> 14afaf5a2dSDavid Somayajulu #include <scsi/scsicam.h> 15afaf5a2dSDavid Somayajulu 16afaf5a2dSDavid Somayajulu #include "ql4_def.h" 17bee4fe8eSDavid C Somayajulu #include "ql4_version.h" 18bee4fe8eSDavid C Somayajulu #include "ql4_glbl.h" 19bee4fe8eSDavid C Somayajulu #include "ql4_dbg.h" 20bee4fe8eSDavid C Somayajulu #include "ql4_inline.h" 216e7b4292SVikas Chaudhary #include "ql4_83xx.h" 22afaf5a2dSDavid Somayajulu 23afaf5a2dSDavid Somayajulu /* 24afaf5a2dSDavid Somayajulu * Driver version 25afaf5a2dSDavid Somayajulu */ 2647975477SAdrian Bunk static char qla4xxx_version_str[40]; 27afaf5a2dSDavid Somayajulu 28afaf5a2dSDavid Somayajulu /* 29afaf5a2dSDavid Somayajulu * SRB allocation cache 30afaf5a2dSDavid Somayajulu */ 31e18b890bSChristoph Lameter static struct kmem_cache *srb_cachep; 32afaf5a2dSDavid Somayajulu 33afaf5a2dSDavid Somayajulu /* 34afaf5a2dSDavid Somayajulu * Module parameter information and variables 35afaf5a2dSDavid Somayajulu */ 36a7380a65SVikas Chaudhary static int ql4xdisablesysfsboot = 1; 3713483730SMike Christie module_param(ql4xdisablesysfsboot, int, S_IRUGO | S_IWUSR); 3813483730SMike Christie MODULE_PARM_DESC(ql4xdisablesysfsboot, 39a4e8a715SKaren Higgins " Set to disable exporting boot targets to sysfs.\n" 40a4e8a715SKaren Higgins "\t\t 0 - Export boot targets\n" 41a4e8a715SKaren Higgins "\t\t 1 - Do not export boot targets (Default)"); 4213483730SMike Christie 433573bfb2SVikas Chaudhary int ql4xdontresethba; 44f4f5df23SVikas Chaudhary module_param(ql4xdontresethba, int, S_IRUGO | S_IWUSR); 45afaf5a2dSDavid Somayajulu MODULE_PARM_DESC(ql4xdontresethba, 46a4e8a715SKaren Higgins " Don't reset the HBA for driver recovery.\n" 47a4e8a715SKaren Higgins "\t\t 0 - It will reset HBA (Default)\n" 48a4e8a715SKaren Higgins "\t\t 1 - It will NOT reset HBA"); 49afaf5a2dSDavid Somayajulu 50a4e8a715SKaren Higgins int ql4xextended_error_logging; 51f4f5df23SVikas Chaudhary module_param(ql4xextended_error_logging, int, S_IRUGO | S_IWUSR); 5211010fecSAndrew Vasquez MODULE_PARM_DESC(ql4xextended_error_logging, 53a4e8a715SKaren Higgins " Option to enable extended error logging.\n" 54a4e8a715SKaren Higgins "\t\t 0 - no logging (Default)\n" 55a4e8a715SKaren Higgins "\t\t 2 - debug logging"); 56afaf5a2dSDavid Somayajulu 57f4f5df23SVikas Chaudhary int ql4xenablemsix = 1; 58f4f5df23SVikas Chaudhary module_param(ql4xenablemsix, int, S_IRUGO|S_IWUSR); 59f4f5df23SVikas Chaudhary MODULE_PARM_DESC(ql4xenablemsix, 60f4f5df23SVikas Chaudhary " Set to enable MSI or MSI-X interrupt mechanism.\n" 61a4e8a715SKaren Higgins "\t\t 0 = enable INTx interrupt mechanism.\n" 62a4e8a715SKaren Higgins "\t\t 1 = enable MSI-X interrupt mechanism (Default).\n" 63a4e8a715SKaren Higgins "\t\t 2 = enable MSI interrupt mechanism."); 64477ffb9dSDavid C Somayajulu 65d510d965SMike Christie #define QL4_DEF_QDEPTH 32 668bb4033dSVikas Chaudhary static int ql4xmaxqdepth = QL4_DEF_QDEPTH; 678bb4033dSVikas Chaudhary module_param(ql4xmaxqdepth, int, S_IRUGO | S_IWUSR); 688bb4033dSVikas Chaudhary MODULE_PARM_DESC(ql4xmaxqdepth, 698bb4033dSVikas Chaudhary " Maximum queue depth to report for target devices.\n" 70a4e8a715SKaren Higgins "\t\t Default: 32."); 71d510d965SMike Christie 72f7b4aa63STej Parkash static int ql4xqfulltracking = 1; 73f7b4aa63STej Parkash module_param(ql4xqfulltracking, int, S_IRUGO | S_IWUSR); 74f7b4aa63STej Parkash MODULE_PARM_DESC(ql4xqfulltracking, 75f7b4aa63STej Parkash " Enable or disable dynamic tracking and adjustment of\n" 76f7b4aa63STej Parkash "\t\t scsi device queue depth.\n" 77f7b4aa63STej Parkash "\t\t 0 - Disable.\n" 78f7b4aa63STej Parkash "\t\t 1 - Enable. (Default)"); 79f7b4aa63STej Parkash 803038727cSVikas Chaudhary static int ql4xsess_recovery_tmo = QL4_SESS_RECOVERY_TMO; 813038727cSVikas Chaudhary module_param(ql4xsess_recovery_tmo, int, S_IRUGO); 823038727cSVikas Chaudhary MODULE_PARM_DESC(ql4xsess_recovery_tmo, 833038727cSVikas Chaudhary " Target Session Recovery Timeout.\n" 84a4e8a715SKaren Higgins "\t\t Default: 120 sec."); 853038727cSVikas Chaudhary 86a511b4afSTej Parkash int ql4xmdcapmask = 0; 87068237c8STej Parkash module_param(ql4xmdcapmask, int, S_IRUGO); 88068237c8STej Parkash MODULE_PARM_DESC(ql4xmdcapmask, 89068237c8STej Parkash " Set the Minidump driver capture mask level.\n" 90a511b4afSTej Parkash "\t\t Default is 0 (firmware default capture mask)\n" 91b410982cSTej Parkash "\t\t Can be set to 0x3, 0x7, 0xF, 0x1F, 0x3F, 0x7F, 0xFF"); 92068237c8STej Parkash 93068237c8STej Parkash int ql4xenablemd = 1; 94068237c8STej Parkash module_param(ql4xenablemd, int, S_IRUGO | S_IWUSR); 95068237c8STej Parkash MODULE_PARM_DESC(ql4xenablemd, 96068237c8STej Parkash " Set to enable minidump.\n" 97068237c8STej Parkash "\t\t 0 - disable minidump\n" 98068237c8STej Parkash "\t\t 1 - enable minidump (Default)"); 99068237c8STej Parkash 100b3a271a9SManish Rangankar static int qla4xxx_wait_for_hba_online(struct scsi_qla_host *ha); 101afaf5a2dSDavid Somayajulu /* 102afaf5a2dSDavid Somayajulu * SCSI host template entry points 103afaf5a2dSDavid Somayajulu */ 10447975477SAdrian Bunk static void qla4xxx_config_dma_addressing(struct scsi_qla_host *ha); 105afaf5a2dSDavid Somayajulu 106afaf5a2dSDavid Somayajulu /* 107afaf5a2dSDavid Somayajulu * iSCSI template entry points 108afaf5a2dSDavid Somayajulu */ 109fca9f04dSMike Christie static int qla4xxx_session_get_param(struct iscsi_cls_session *cls_sess, 110fca9f04dSMike Christie enum iscsi_param param, char *buf); 111afaf5a2dSDavid Somayajulu static int qla4xxx_conn_get_param(struct iscsi_cls_conn *conn, 112afaf5a2dSDavid Somayajulu enum iscsi_param param, char *buf); 113aa1e93a2SMike Christie static int qla4xxx_host_get_param(struct Scsi_Host *shost, 114aa1e93a2SMike Christie enum iscsi_host_param param, char *buf); 11500c31889SMike Christie static int qla4xxx_iface_set_param(struct Scsi_Host *shost, void *data, 11600c31889SMike Christie uint32_t len); 117ed1086e0SVikas Chaudhary static int qla4xxx_get_iface_param(struct iscsi_iface *iface, 118ed1086e0SVikas Chaudhary enum iscsi_param_type param_type, 119ed1086e0SVikas Chaudhary int param, char *buf); 1205c656af7SMike Christie static enum blk_eh_timer_return qla4xxx_eh_cmd_timed_out(struct scsi_cmnd *sc); 121b3a271a9SManish Rangankar static struct iscsi_endpoint *qla4xxx_ep_connect(struct Scsi_Host *shost, 122b3a271a9SManish Rangankar struct sockaddr *dst_addr, 123b3a271a9SManish Rangankar int non_blocking); 124b3a271a9SManish Rangankar static int qla4xxx_ep_poll(struct iscsi_endpoint *ep, int timeout_ms); 125b3a271a9SManish Rangankar static void qla4xxx_ep_disconnect(struct iscsi_endpoint *ep); 126b3a271a9SManish Rangankar static int qla4xxx_get_ep_param(struct iscsi_endpoint *ep, 127b3a271a9SManish Rangankar enum iscsi_param param, char *buf); 128b3a271a9SManish Rangankar static int qla4xxx_conn_start(struct iscsi_cls_conn *conn); 129b3a271a9SManish Rangankar static struct iscsi_cls_conn * 130b3a271a9SManish Rangankar qla4xxx_conn_create(struct iscsi_cls_session *cls_sess, uint32_t conn_idx); 131b3a271a9SManish Rangankar static int qla4xxx_conn_bind(struct iscsi_cls_session *cls_session, 132b3a271a9SManish Rangankar struct iscsi_cls_conn *cls_conn, 133b3a271a9SManish Rangankar uint64_t transport_fd, int is_leading); 134b3a271a9SManish Rangankar static void qla4xxx_conn_destroy(struct iscsi_cls_conn *conn); 135b3a271a9SManish Rangankar static struct iscsi_cls_session * 136b3a271a9SManish Rangankar qla4xxx_session_create(struct iscsi_endpoint *ep, uint16_t cmds_max, 137b3a271a9SManish Rangankar uint16_t qdepth, uint32_t initial_cmdsn); 138b3a271a9SManish Rangankar static void qla4xxx_session_destroy(struct iscsi_cls_session *sess); 139b3a271a9SManish Rangankar static void qla4xxx_task_work(struct work_struct *wdata); 140b3a271a9SManish Rangankar static int qla4xxx_alloc_pdu(struct iscsi_task *, uint8_t); 141b3a271a9SManish Rangankar static int qla4xxx_task_xmit(struct iscsi_task *); 142b3a271a9SManish Rangankar static void qla4xxx_task_cleanup(struct iscsi_task *); 143b3a271a9SManish Rangankar static void qla4xxx_fail_session(struct iscsi_cls_session *cls_session); 144b3a271a9SManish Rangankar static void qla4xxx_conn_get_stats(struct iscsi_cls_conn *cls_conn, 145b3a271a9SManish Rangankar struct iscsi_stats *stats); 146c0b9d3f7SVikas Chaudhary static int qla4xxx_send_ping(struct Scsi_Host *shost, uint32_t iface_num, 147c0b9d3f7SVikas Chaudhary uint32_t iface_type, uint32_t payload_size, 148c0b9d3f7SVikas Chaudhary uint32_t pid, struct sockaddr *dst_addr); 149376738afSNilesh Javali static int qla4xxx_get_chap_list(struct Scsi_Host *shost, uint16_t chap_tbl_idx, 150376738afSNilesh Javali uint32_t *num_entries, char *buf); 151376738afSNilesh Javali static int qla4xxx_delete_chap(struct Scsi_Host *shost, uint16_t chap_tbl_idx); 15226ffd7b4SAdheer Chandravanshi static int qla4xxx_set_chap_entry(struct Scsi_Host *shost, void *data, 15326ffd7b4SAdheer Chandravanshi int len); 1544161cee5SLalit Chandivade static int qla4xxx_get_host_stats(struct Scsi_Host *shost, char *buf, int len); 155c0b9d3f7SVikas Chaudhary 156afaf5a2dSDavid Somayajulu /* 157afaf5a2dSDavid Somayajulu * SCSI host template entry points 158afaf5a2dSDavid Somayajulu */ 159f281233dSJeff Garzik static int qla4xxx_queuecommand(struct Scsi_Host *h, struct scsi_cmnd *cmd); 16009a0f719SVikas Chaudhary static int qla4xxx_eh_abort(struct scsi_cmnd *cmd); 161afaf5a2dSDavid Somayajulu static int qla4xxx_eh_device_reset(struct scsi_cmnd *cmd); 162ce545039SMike Christie static int qla4xxx_eh_target_reset(struct scsi_cmnd *cmd); 163afaf5a2dSDavid Somayajulu static int qla4xxx_eh_host_reset(struct scsi_cmnd *cmd); 164afaf5a2dSDavid Somayajulu static int qla4xxx_slave_alloc(struct scsi_device *device); 1655e9bcec7SVikas Chaudhary static umode_t qla4_attr_is_visible(int param_type, int param); 16695d31262SVikas Chaudhary static int qla4xxx_host_reset(struct Scsi_Host *shost, int reset_type); 167afaf5a2dSDavid Somayajulu 1681e9e2be3SAdheer Chandravanshi /* 1691e9e2be3SAdheer Chandravanshi * iSCSI Flash DDB sysfs entry points 1701e9e2be3SAdheer Chandravanshi */ 1711e9e2be3SAdheer Chandravanshi static int 1721e9e2be3SAdheer Chandravanshi qla4xxx_sysfs_ddb_set_param(struct iscsi_bus_flash_session *fnode_sess, 1731e9e2be3SAdheer Chandravanshi struct iscsi_bus_flash_conn *fnode_conn, 1741e9e2be3SAdheer Chandravanshi void *data, int len); 1751e9e2be3SAdheer Chandravanshi static int 1761e9e2be3SAdheer Chandravanshi qla4xxx_sysfs_ddb_get_param(struct iscsi_bus_flash_session *fnode_sess, 1771e9e2be3SAdheer Chandravanshi int param, char *buf); 1781e9e2be3SAdheer Chandravanshi static int qla4xxx_sysfs_ddb_add(struct Scsi_Host *shost, const char *buf, 1791e9e2be3SAdheer Chandravanshi int len); 1801e9e2be3SAdheer Chandravanshi static int 1811e9e2be3SAdheer Chandravanshi qla4xxx_sysfs_ddb_delete(struct iscsi_bus_flash_session *fnode_sess); 1821e9e2be3SAdheer Chandravanshi static int qla4xxx_sysfs_ddb_login(struct iscsi_bus_flash_session *fnode_sess, 1831e9e2be3SAdheer Chandravanshi struct iscsi_bus_flash_conn *fnode_conn); 1841e9e2be3SAdheer Chandravanshi static int qla4xxx_sysfs_ddb_logout(struct iscsi_bus_flash_session *fnode_sess, 1851e9e2be3SAdheer Chandravanshi struct iscsi_bus_flash_conn *fnode_conn); 1861e9e2be3SAdheer Chandravanshi static int qla4xxx_sysfs_ddb_logout_sid(struct iscsi_cls_session *cls_sess); 1871e9e2be3SAdheer Chandravanshi 188f4f5df23SVikas Chaudhary static struct qla4_8xxx_legacy_intr_set legacy_intr[] = 189f4f5df23SVikas Chaudhary QLA82XX_LEGACY_INTR_CONFIG; 190f4f5df23SVikas Chaudhary 191afaf5a2dSDavid Somayajulu static struct scsi_host_template qla4xxx_driver_template = { 192afaf5a2dSDavid Somayajulu .module = THIS_MODULE, 193afaf5a2dSDavid Somayajulu .name = DRIVER_NAME, 194afaf5a2dSDavid Somayajulu .proc_name = DRIVER_NAME, 195afaf5a2dSDavid Somayajulu .queuecommand = qla4xxx_queuecommand, 196afaf5a2dSDavid Somayajulu 19709a0f719SVikas Chaudhary .eh_abort_handler = qla4xxx_eh_abort, 198afaf5a2dSDavid Somayajulu .eh_device_reset_handler = qla4xxx_eh_device_reset, 199ce545039SMike Christie .eh_target_reset_handler = qla4xxx_eh_target_reset, 200afaf5a2dSDavid Somayajulu .eh_host_reset_handler = qla4xxx_eh_host_reset, 2015c656af7SMike Christie .eh_timed_out = qla4xxx_eh_cmd_timed_out, 202afaf5a2dSDavid Somayajulu 203afaf5a2dSDavid Somayajulu .slave_alloc = qla4xxx_slave_alloc, 204db5ed4dfSChristoph Hellwig .change_queue_depth = scsi_change_queue_depth, 205afaf5a2dSDavid Somayajulu 206afaf5a2dSDavid Somayajulu .this_id = -1, 207afaf5a2dSDavid Somayajulu .cmd_per_lun = 3, 208afaf5a2dSDavid Somayajulu .use_clustering = ENABLE_CLUSTERING, 209afaf5a2dSDavid Somayajulu .sg_tablesize = SG_ALL, 210afaf5a2dSDavid Somayajulu 211afaf5a2dSDavid Somayajulu .max_sectors = 0xFFFF, 2127ad633c0SHarish Zunjarrao .shost_attrs = qla4xxx_host_attrs, 21395d31262SVikas Chaudhary .host_reset = qla4xxx_host_reset, 214a355943cSVikas Chaudhary .vendor_id = SCSI_NL_VID_TYPE_PCI | PCI_VENDOR_ID_QLOGIC, 215afaf5a2dSDavid Somayajulu }; 216afaf5a2dSDavid Somayajulu 217afaf5a2dSDavid Somayajulu static struct iscsi_transport qla4xxx_iscsi_transport = { 218afaf5a2dSDavid Somayajulu .owner = THIS_MODULE, 219afaf5a2dSDavid Somayajulu .name = DRIVER_NAME, 220b3a271a9SManish Rangankar .caps = CAP_TEXT_NEGO | 221b3a271a9SManish Rangankar CAP_DATA_PATH_OFFLOAD | CAP_HDRDGST | 222b3a271a9SManish Rangankar CAP_DATADGST | CAP_LOGIN_OFFLOAD | 223b3a271a9SManish Rangankar CAP_MULTI_R2T, 2245e9bcec7SVikas Chaudhary .attr_is_visible = qla4_attr_is_visible, 225b3a271a9SManish Rangankar .create_session = qla4xxx_session_create, 226b3a271a9SManish Rangankar .destroy_session = qla4xxx_session_destroy, 227b3a271a9SManish Rangankar .start_conn = qla4xxx_conn_start, 228b3a271a9SManish Rangankar .create_conn = qla4xxx_conn_create, 229b3a271a9SManish Rangankar .bind_conn = qla4xxx_conn_bind, 230b3a271a9SManish Rangankar .stop_conn = iscsi_conn_stop, 231b3a271a9SManish Rangankar .destroy_conn = qla4xxx_conn_destroy, 232b3a271a9SManish Rangankar .set_param = iscsi_set_param, 233afaf5a2dSDavid Somayajulu .get_conn_param = qla4xxx_conn_get_param, 234fca9f04dSMike Christie .get_session_param = qla4xxx_session_get_param, 235b3a271a9SManish Rangankar .get_ep_param = qla4xxx_get_ep_param, 236b3a271a9SManish Rangankar .ep_connect = qla4xxx_ep_connect, 237b3a271a9SManish Rangankar .ep_poll = qla4xxx_ep_poll, 238b3a271a9SManish Rangankar .ep_disconnect = qla4xxx_ep_disconnect, 239b3a271a9SManish Rangankar .get_stats = qla4xxx_conn_get_stats, 240b3a271a9SManish Rangankar .send_pdu = iscsi_conn_send_pdu, 241b3a271a9SManish Rangankar .xmit_task = qla4xxx_task_xmit, 242b3a271a9SManish Rangankar .cleanup_task = qla4xxx_task_cleanup, 243b3a271a9SManish Rangankar .alloc_pdu = qla4xxx_alloc_pdu, 244b3a271a9SManish Rangankar 245aa1e93a2SMike Christie .get_host_param = qla4xxx_host_get_param, 246d00efe3fSMike Christie .set_iface_param = qla4xxx_iface_set_param, 247ed1086e0SVikas Chaudhary .get_iface_param = qla4xxx_get_iface_param, 248a355943cSVikas Chaudhary .bsg_request = qla4xxx_bsg_request, 249c0b9d3f7SVikas Chaudhary .send_ping = qla4xxx_send_ping, 250376738afSNilesh Javali .get_chap = qla4xxx_get_chap_list, 251376738afSNilesh Javali .delete_chap = qla4xxx_delete_chap, 25226ffd7b4SAdheer Chandravanshi .set_chap = qla4xxx_set_chap_entry, 2531e9e2be3SAdheer Chandravanshi .get_flashnode_param = qla4xxx_sysfs_ddb_get_param, 2541e9e2be3SAdheer Chandravanshi .set_flashnode_param = qla4xxx_sysfs_ddb_set_param, 2551e9e2be3SAdheer Chandravanshi .new_flashnode = qla4xxx_sysfs_ddb_add, 2561e9e2be3SAdheer Chandravanshi .del_flashnode = qla4xxx_sysfs_ddb_delete, 2571e9e2be3SAdheer Chandravanshi .login_flashnode = qla4xxx_sysfs_ddb_login, 2581e9e2be3SAdheer Chandravanshi .logout_flashnode = qla4xxx_sysfs_ddb_logout, 2591e9e2be3SAdheer Chandravanshi .logout_flashnode_sid = qla4xxx_sysfs_ddb_logout_sid, 2604161cee5SLalit Chandivade .get_host_stats = qla4xxx_get_host_stats, 261afaf5a2dSDavid Somayajulu }; 262afaf5a2dSDavid Somayajulu 263afaf5a2dSDavid Somayajulu static struct scsi_transport_template *qla4xxx_scsi_transport; 264afaf5a2dSDavid Somayajulu 2651bc5ad3aSManish Rangankar static int qla4xxx_isp_check_reg(struct scsi_qla_host *ha) 2661bc5ad3aSManish Rangankar { 2671bc5ad3aSManish Rangankar u32 reg_val = 0; 2681bc5ad3aSManish Rangankar int rval = QLA_SUCCESS; 2691bc5ad3aSManish Rangankar 2701bc5ad3aSManish Rangankar if (is_qla8022(ha)) 2711bc5ad3aSManish Rangankar reg_val = readl(&ha->qla4_82xx_reg->host_status); 2721bc5ad3aSManish Rangankar else if (is_qla8032(ha) || is_qla8042(ha)) 2731bc5ad3aSManish Rangankar reg_val = qla4_8xxx_rd_direct(ha, QLA8XXX_PEG_ALIVE_COUNTER); 2741bc5ad3aSManish Rangankar else 2751bc5ad3aSManish Rangankar reg_val = readw(&ha->reg->ctrl_status); 2761bc5ad3aSManish Rangankar 2771bc5ad3aSManish Rangankar if (reg_val == QL4_ISP_REG_DISCONNECT) 2781bc5ad3aSManish Rangankar rval = QLA_ERROR; 2791bc5ad3aSManish Rangankar 2801bc5ad3aSManish Rangankar return rval; 2811bc5ad3aSManish Rangankar } 2821bc5ad3aSManish Rangankar 283c0b9d3f7SVikas Chaudhary static int qla4xxx_send_ping(struct Scsi_Host *shost, uint32_t iface_num, 284c0b9d3f7SVikas Chaudhary uint32_t iface_type, uint32_t payload_size, 285c0b9d3f7SVikas Chaudhary uint32_t pid, struct sockaddr *dst_addr) 286c0b9d3f7SVikas Chaudhary { 287c0b9d3f7SVikas Chaudhary struct scsi_qla_host *ha = to_qla_host(shost); 288c0b9d3f7SVikas Chaudhary struct sockaddr_in *addr; 289c0b9d3f7SVikas Chaudhary struct sockaddr_in6 *addr6; 290c0b9d3f7SVikas Chaudhary uint32_t options = 0; 291c0b9d3f7SVikas Chaudhary uint8_t ipaddr[IPv6_ADDR_LEN]; 292c0b9d3f7SVikas Chaudhary int rval; 293c0b9d3f7SVikas Chaudhary 294c0b9d3f7SVikas Chaudhary memset(ipaddr, 0, IPv6_ADDR_LEN); 295c0b9d3f7SVikas Chaudhary /* IPv4 to IPv4 */ 296c0b9d3f7SVikas Chaudhary if ((iface_type == ISCSI_IFACE_TYPE_IPV4) && 297c0b9d3f7SVikas Chaudhary (dst_addr->sa_family == AF_INET)) { 298c0b9d3f7SVikas Chaudhary addr = (struct sockaddr_in *)dst_addr; 299c0b9d3f7SVikas Chaudhary memcpy(ipaddr, &addr->sin_addr.s_addr, IP_ADDR_LEN); 300c0b9d3f7SVikas Chaudhary DEBUG2(ql4_printk(KERN_INFO, ha, "%s: IPv4 Ping src: %pI4 " 301c0b9d3f7SVikas Chaudhary "dest: %pI4\n", __func__, 302c0b9d3f7SVikas Chaudhary &ha->ip_config.ip_address, ipaddr)); 303c0b9d3f7SVikas Chaudhary rval = qla4xxx_ping_iocb(ha, options, payload_size, pid, 304c0b9d3f7SVikas Chaudhary ipaddr); 305c0b9d3f7SVikas Chaudhary if (rval) 306c0b9d3f7SVikas Chaudhary rval = -EINVAL; 307c0b9d3f7SVikas Chaudhary } else if ((iface_type == ISCSI_IFACE_TYPE_IPV6) && 308c0b9d3f7SVikas Chaudhary (dst_addr->sa_family == AF_INET6)) { 309c0b9d3f7SVikas Chaudhary /* IPv6 to IPv6 */ 310c0b9d3f7SVikas Chaudhary addr6 = (struct sockaddr_in6 *)dst_addr; 311c0b9d3f7SVikas Chaudhary memcpy(ipaddr, &addr6->sin6_addr.in6_u.u6_addr8, IPv6_ADDR_LEN); 312c0b9d3f7SVikas Chaudhary 313c0b9d3f7SVikas Chaudhary options |= PING_IPV6_PROTOCOL_ENABLE; 314c0b9d3f7SVikas Chaudhary 315c0b9d3f7SVikas Chaudhary /* Ping using LinkLocal address */ 316c0b9d3f7SVikas Chaudhary if ((iface_num == 0) || (iface_num == 1)) { 317c0b9d3f7SVikas Chaudhary DEBUG2(ql4_printk(KERN_INFO, ha, "%s: LinkLocal Ping " 318c0b9d3f7SVikas Chaudhary "src: %pI6 dest: %pI6\n", __func__, 319c0b9d3f7SVikas Chaudhary &ha->ip_config.ipv6_link_local_addr, 320c0b9d3f7SVikas Chaudhary ipaddr)); 321c0b9d3f7SVikas Chaudhary options |= PING_IPV6_LINKLOCAL_ADDR; 322c0b9d3f7SVikas Chaudhary rval = qla4xxx_ping_iocb(ha, options, payload_size, 323c0b9d3f7SVikas Chaudhary pid, ipaddr); 324c0b9d3f7SVikas Chaudhary } else { 325c0b9d3f7SVikas Chaudhary ql4_printk(KERN_WARNING, ha, "%s: iface num = %d " 326c0b9d3f7SVikas Chaudhary "not supported\n", __func__, iface_num); 327c0b9d3f7SVikas Chaudhary rval = -ENOSYS; 328c0b9d3f7SVikas Chaudhary goto exit_send_ping; 329c0b9d3f7SVikas Chaudhary } 330c0b9d3f7SVikas Chaudhary 331c0b9d3f7SVikas Chaudhary /* 332c0b9d3f7SVikas Chaudhary * If ping using LinkLocal address fails, try ping using 333c0b9d3f7SVikas Chaudhary * IPv6 address 334c0b9d3f7SVikas Chaudhary */ 335c0b9d3f7SVikas Chaudhary if (rval != QLA_SUCCESS) { 336c0b9d3f7SVikas Chaudhary options &= ~PING_IPV6_LINKLOCAL_ADDR; 337c0b9d3f7SVikas Chaudhary if (iface_num == 0) { 338c0b9d3f7SVikas Chaudhary options |= PING_IPV6_ADDR0; 339c0b9d3f7SVikas Chaudhary DEBUG2(ql4_printk(KERN_INFO, ha, "%s: IPv6 " 340c0b9d3f7SVikas Chaudhary "Ping src: %pI6 " 341c0b9d3f7SVikas Chaudhary "dest: %pI6\n", __func__, 342c0b9d3f7SVikas Chaudhary &ha->ip_config.ipv6_addr0, 343c0b9d3f7SVikas Chaudhary ipaddr)); 344c0b9d3f7SVikas Chaudhary } else if (iface_num == 1) { 345c0b9d3f7SVikas Chaudhary options |= PING_IPV6_ADDR1; 346c0b9d3f7SVikas Chaudhary DEBUG2(ql4_printk(KERN_INFO, ha, "%s: IPv6 " 347c0b9d3f7SVikas Chaudhary "Ping src: %pI6 " 348c0b9d3f7SVikas Chaudhary "dest: %pI6\n", __func__, 349c0b9d3f7SVikas Chaudhary &ha->ip_config.ipv6_addr1, 350c0b9d3f7SVikas Chaudhary ipaddr)); 351c0b9d3f7SVikas Chaudhary } 352c0b9d3f7SVikas Chaudhary rval = qla4xxx_ping_iocb(ha, options, payload_size, 353c0b9d3f7SVikas Chaudhary pid, ipaddr); 354c0b9d3f7SVikas Chaudhary if (rval) 355c0b9d3f7SVikas Chaudhary rval = -EINVAL; 356c0b9d3f7SVikas Chaudhary } 357c0b9d3f7SVikas Chaudhary } else 358c0b9d3f7SVikas Chaudhary rval = -ENOSYS; 359c0b9d3f7SVikas Chaudhary exit_send_ping: 360c0b9d3f7SVikas Chaudhary return rval; 361c0b9d3f7SVikas Chaudhary } 362c0b9d3f7SVikas Chaudhary 3635e9bcec7SVikas Chaudhary static umode_t qla4_attr_is_visible(int param_type, int param) 3643128c6c7SMike Christie { 3653128c6c7SMike Christie switch (param_type) { 366f27fb2efSMike Christie case ISCSI_HOST_PARAM: 367f27fb2efSMike Christie switch (param) { 368f27fb2efSMike Christie case ISCSI_HOST_PARAM_HWADDRESS: 369f27fb2efSMike Christie case ISCSI_HOST_PARAM_IPADDRESS: 370f27fb2efSMike Christie case ISCSI_HOST_PARAM_INITIATOR_NAME: 3713254dbe9SVikas Chaudhary case ISCSI_HOST_PARAM_PORT_STATE: 3723254dbe9SVikas Chaudhary case ISCSI_HOST_PARAM_PORT_SPEED: 373f27fb2efSMike Christie return S_IRUGO; 374f27fb2efSMike Christie default: 375f27fb2efSMike Christie return 0; 376f27fb2efSMike Christie } 3773128c6c7SMike Christie case ISCSI_PARAM: 3783128c6c7SMike Christie switch (param) { 379590134faSMike Christie case ISCSI_PARAM_PERSISTENT_ADDRESS: 380590134faSMike Christie case ISCSI_PARAM_PERSISTENT_PORT: 3813128c6c7SMike Christie case ISCSI_PARAM_CONN_ADDRESS: 3823128c6c7SMike Christie case ISCSI_PARAM_CONN_PORT: 3831d063c17SMike Christie case ISCSI_PARAM_TARGET_NAME: 3841d063c17SMike Christie case ISCSI_PARAM_TPGT: 3851d063c17SMike Christie case ISCSI_PARAM_TARGET_ALIAS: 386b3a271a9SManish Rangankar case ISCSI_PARAM_MAX_BURST: 387b3a271a9SManish Rangankar case ISCSI_PARAM_MAX_R2T: 388b3a271a9SManish Rangankar case ISCSI_PARAM_FIRST_BURST: 389b3a271a9SManish Rangankar case ISCSI_PARAM_MAX_RECV_DLENGTH: 390b3a271a9SManish Rangankar case ISCSI_PARAM_MAX_XMIT_DLENGTH: 391de37920bSMike Christie case ISCSI_PARAM_IFACE_NAME: 392fca9f04dSMike Christie case ISCSI_PARAM_CHAP_OUT_IDX: 393fca9f04dSMike Christie case ISCSI_PARAM_CHAP_IN_IDX: 394fca9f04dSMike Christie case ISCSI_PARAM_USERNAME: 395fca9f04dSMike Christie case ISCSI_PARAM_PASSWORD: 396fca9f04dSMike Christie case ISCSI_PARAM_USERNAME_IN: 397fca9f04dSMike Christie case ISCSI_PARAM_PASSWORD_IN: 3988cc91d42SAdheer Chandravanshi case ISCSI_PARAM_AUTO_SND_TGT_DISABLE: 3998cc91d42SAdheer Chandravanshi case ISCSI_PARAM_DISCOVERY_SESS: 4008cc91d42SAdheer Chandravanshi case ISCSI_PARAM_PORTAL_TYPE: 4018cc91d42SAdheer Chandravanshi case ISCSI_PARAM_CHAP_AUTH_EN: 4028cc91d42SAdheer Chandravanshi case ISCSI_PARAM_DISCOVERY_LOGOUT_EN: 4038cc91d42SAdheer Chandravanshi case ISCSI_PARAM_BIDI_CHAP_EN: 4048cc91d42SAdheer Chandravanshi case ISCSI_PARAM_DISCOVERY_AUTH_OPTIONAL: 4058cc91d42SAdheer Chandravanshi case ISCSI_PARAM_DEF_TIME2WAIT: 4068cc91d42SAdheer Chandravanshi case ISCSI_PARAM_DEF_TIME2RETAIN: 4078cc91d42SAdheer Chandravanshi case ISCSI_PARAM_HDRDGST_EN: 4088cc91d42SAdheer Chandravanshi case ISCSI_PARAM_DATADGST_EN: 4098cc91d42SAdheer Chandravanshi case ISCSI_PARAM_INITIAL_R2T_EN: 4108cc91d42SAdheer Chandravanshi case ISCSI_PARAM_IMM_DATA_EN: 4118cc91d42SAdheer Chandravanshi case ISCSI_PARAM_PDU_INORDER_EN: 4128cc91d42SAdheer Chandravanshi case ISCSI_PARAM_DATASEQ_INORDER_EN: 4138cc91d42SAdheer Chandravanshi case ISCSI_PARAM_MAX_SEGMENT_SIZE: 4148cc91d42SAdheer Chandravanshi case ISCSI_PARAM_TCP_TIMESTAMP_STAT: 4158cc91d42SAdheer Chandravanshi case ISCSI_PARAM_TCP_WSF_DISABLE: 4168cc91d42SAdheer Chandravanshi case ISCSI_PARAM_TCP_NAGLE_DISABLE: 4178cc91d42SAdheer Chandravanshi case ISCSI_PARAM_TCP_TIMER_SCALE: 4188cc91d42SAdheer Chandravanshi case ISCSI_PARAM_TCP_TIMESTAMP_EN: 4198cc91d42SAdheer Chandravanshi case ISCSI_PARAM_TCP_XMIT_WSF: 4208cc91d42SAdheer Chandravanshi case ISCSI_PARAM_TCP_RECV_WSF: 4218cc91d42SAdheer Chandravanshi case ISCSI_PARAM_IP_FRAGMENT_DISABLE: 4228cc91d42SAdheer Chandravanshi case ISCSI_PARAM_IPV4_TOS: 4238cc91d42SAdheer Chandravanshi case ISCSI_PARAM_IPV6_TC: 4248cc91d42SAdheer Chandravanshi case ISCSI_PARAM_IPV6_FLOW_LABEL: 4258cc91d42SAdheer Chandravanshi case ISCSI_PARAM_IS_FW_ASSIGNED_IPV6: 4268cc91d42SAdheer Chandravanshi case ISCSI_PARAM_KEEPALIVE_TMO: 4278cc91d42SAdheer Chandravanshi case ISCSI_PARAM_LOCAL_PORT: 4288cc91d42SAdheer Chandravanshi case ISCSI_PARAM_ISID: 4298cc91d42SAdheer Chandravanshi case ISCSI_PARAM_TSID: 4308cc91d42SAdheer Chandravanshi case ISCSI_PARAM_DEF_TASKMGMT_TMO: 4318cc91d42SAdheer Chandravanshi case ISCSI_PARAM_ERL: 4328cc91d42SAdheer Chandravanshi case ISCSI_PARAM_STATSN: 4338cc91d42SAdheer Chandravanshi case ISCSI_PARAM_EXP_STATSN: 4348cc91d42SAdheer Chandravanshi case ISCSI_PARAM_DISCOVERY_PARENT_IDX: 4358cc91d42SAdheer Chandravanshi case ISCSI_PARAM_DISCOVERY_PARENT_TYPE: 436fb734ee3SAdheer Chandravanshi case ISCSI_PARAM_LOCAL_IPADDR: 4373128c6c7SMike Christie return S_IRUGO; 4383128c6c7SMike Christie default: 4393128c6c7SMike Christie return 0; 4403128c6c7SMike Christie } 441b78dbba0SMike Christie case ISCSI_NET_PARAM: 442b78dbba0SMike Christie switch (param) { 443b78dbba0SMike Christie case ISCSI_NET_PARAM_IPV4_ADDR: 444b78dbba0SMike Christie case ISCSI_NET_PARAM_IPV4_SUBNET: 445b78dbba0SMike Christie case ISCSI_NET_PARAM_IPV4_GW: 446b78dbba0SMike Christie case ISCSI_NET_PARAM_IPV4_BOOTPROTO: 447b78dbba0SMike Christie case ISCSI_NET_PARAM_IFACE_ENABLE: 448b78dbba0SMike Christie case ISCSI_NET_PARAM_IPV6_LINKLOCAL: 449b78dbba0SMike Christie case ISCSI_NET_PARAM_IPV6_ADDR: 450b78dbba0SMike Christie case ISCSI_NET_PARAM_IPV6_ROUTER: 451b78dbba0SMike Christie case ISCSI_NET_PARAM_IPV6_ADDR_AUTOCFG: 452b78dbba0SMike Christie case ISCSI_NET_PARAM_IPV6_LINKLOCAL_AUTOCFG: 4536ac73e8cSVikas Chaudhary case ISCSI_NET_PARAM_VLAN_ID: 4546ac73e8cSVikas Chaudhary case ISCSI_NET_PARAM_VLAN_PRIORITY: 4556ac73e8cSVikas Chaudhary case ISCSI_NET_PARAM_VLAN_ENABLED: 456943c157bSVikas Chaudhary case ISCSI_NET_PARAM_MTU: 4572ada7fc5SVikas Chaudhary case ISCSI_NET_PARAM_PORT: 458f8e93412SHarish Zunjarrao case ISCSI_NET_PARAM_IPADDR_STATE: 459f8e93412SHarish Zunjarrao case ISCSI_NET_PARAM_IPV6_LINKLOCAL_STATE: 460f8e93412SHarish Zunjarrao case ISCSI_NET_PARAM_IPV6_ROUTER_STATE: 461f8e93412SHarish Zunjarrao case ISCSI_NET_PARAM_DELAYED_ACK_EN: 462f8e93412SHarish Zunjarrao case ISCSI_NET_PARAM_TCP_NAGLE_DISABLE: 463f8e93412SHarish Zunjarrao case ISCSI_NET_PARAM_TCP_WSF_DISABLE: 464f8e93412SHarish Zunjarrao case ISCSI_NET_PARAM_TCP_WSF: 465f8e93412SHarish Zunjarrao case ISCSI_NET_PARAM_TCP_TIMER_SCALE: 466f8e93412SHarish Zunjarrao case ISCSI_NET_PARAM_TCP_TIMESTAMP_EN: 467f8e93412SHarish Zunjarrao case ISCSI_NET_PARAM_CACHE_ID: 468f8e93412SHarish Zunjarrao case ISCSI_NET_PARAM_IPV4_DHCP_DNS_ADDR_EN: 469f8e93412SHarish Zunjarrao case ISCSI_NET_PARAM_IPV4_DHCP_SLP_DA_EN: 470f8e93412SHarish Zunjarrao case ISCSI_NET_PARAM_IPV4_TOS_EN: 471f8e93412SHarish Zunjarrao case ISCSI_NET_PARAM_IPV4_TOS: 472f8e93412SHarish Zunjarrao case ISCSI_NET_PARAM_IPV4_GRAT_ARP_EN: 473f8e93412SHarish Zunjarrao case ISCSI_NET_PARAM_IPV4_DHCP_ALT_CLIENT_ID_EN: 474f8e93412SHarish Zunjarrao case ISCSI_NET_PARAM_IPV4_DHCP_ALT_CLIENT_ID: 475f8e93412SHarish Zunjarrao case ISCSI_NET_PARAM_IPV4_DHCP_REQ_VENDOR_ID_EN: 476f8e93412SHarish Zunjarrao case ISCSI_NET_PARAM_IPV4_DHCP_USE_VENDOR_ID_EN: 477f8e93412SHarish Zunjarrao case ISCSI_NET_PARAM_IPV4_DHCP_VENDOR_ID: 478f8e93412SHarish Zunjarrao case ISCSI_NET_PARAM_IPV4_DHCP_LEARN_IQN_EN: 479f8e93412SHarish Zunjarrao case ISCSI_NET_PARAM_IPV4_FRAGMENT_DISABLE: 480f8e93412SHarish Zunjarrao case ISCSI_NET_PARAM_IPV4_IN_FORWARD_EN: 481f8e93412SHarish Zunjarrao case ISCSI_NET_PARAM_REDIRECT_EN: 482f8e93412SHarish Zunjarrao case ISCSI_NET_PARAM_IPV4_TTL: 483f8e93412SHarish Zunjarrao case ISCSI_NET_PARAM_IPV6_GRAT_NEIGHBOR_ADV_EN: 484f8e93412SHarish Zunjarrao case ISCSI_NET_PARAM_IPV6_MLD_EN: 485f8e93412SHarish Zunjarrao case ISCSI_NET_PARAM_IPV6_FLOW_LABEL: 486f8e93412SHarish Zunjarrao case ISCSI_NET_PARAM_IPV6_TRAFFIC_CLASS: 487f8e93412SHarish Zunjarrao case ISCSI_NET_PARAM_IPV6_HOP_LIMIT: 488f8e93412SHarish Zunjarrao case ISCSI_NET_PARAM_IPV6_ND_REACHABLE_TMO: 489f8e93412SHarish Zunjarrao case ISCSI_NET_PARAM_IPV6_ND_REXMIT_TIME: 490f8e93412SHarish Zunjarrao case ISCSI_NET_PARAM_IPV6_ND_STALE_TMO: 491f8e93412SHarish Zunjarrao case ISCSI_NET_PARAM_IPV6_DUP_ADDR_DETECT_CNT: 492f8e93412SHarish Zunjarrao case ISCSI_NET_PARAM_IPV6_RTR_ADV_LINK_MTU: 493f8e93412SHarish Zunjarrao return S_IRUGO; 494f8e93412SHarish Zunjarrao default: 495f8e93412SHarish Zunjarrao return 0; 496f8e93412SHarish Zunjarrao } 497f8e93412SHarish Zunjarrao case ISCSI_IFACE_PARAM: 498f8e93412SHarish Zunjarrao switch (param) { 499f8e93412SHarish Zunjarrao case ISCSI_IFACE_PARAM_DEF_TASKMGMT_TMO: 500f8e93412SHarish Zunjarrao case ISCSI_IFACE_PARAM_HDRDGST_EN: 501f8e93412SHarish Zunjarrao case ISCSI_IFACE_PARAM_DATADGST_EN: 502f8e93412SHarish Zunjarrao case ISCSI_IFACE_PARAM_IMM_DATA_EN: 503f8e93412SHarish Zunjarrao case ISCSI_IFACE_PARAM_INITIAL_R2T_EN: 504f8e93412SHarish Zunjarrao case ISCSI_IFACE_PARAM_DATASEQ_INORDER_EN: 505f8e93412SHarish Zunjarrao case ISCSI_IFACE_PARAM_PDU_INORDER_EN: 506f8e93412SHarish Zunjarrao case ISCSI_IFACE_PARAM_ERL: 507f8e93412SHarish Zunjarrao case ISCSI_IFACE_PARAM_MAX_RECV_DLENGTH: 508f8e93412SHarish Zunjarrao case ISCSI_IFACE_PARAM_FIRST_BURST: 509f8e93412SHarish Zunjarrao case ISCSI_IFACE_PARAM_MAX_R2T: 510f8e93412SHarish Zunjarrao case ISCSI_IFACE_PARAM_MAX_BURST: 511f8e93412SHarish Zunjarrao case ISCSI_IFACE_PARAM_CHAP_AUTH_EN: 512f8e93412SHarish Zunjarrao case ISCSI_IFACE_PARAM_BIDI_CHAP_EN: 513f8e93412SHarish Zunjarrao case ISCSI_IFACE_PARAM_DISCOVERY_AUTH_OPTIONAL: 514f8e93412SHarish Zunjarrao case ISCSI_IFACE_PARAM_DISCOVERY_LOGOUT_EN: 515f8e93412SHarish Zunjarrao case ISCSI_IFACE_PARAM_STRICT_LOGIN_COMP_EN: 516f8e93412SHarish Zunjarrao case ISCSI_IFACE_PARAM_INITIATOR_NAME: 517b78dbba0SMike Christie return S_IRUGO; 518b78dbba0SMike Christie default: 519b78dbba0SMike Christie return 0; 520b78dbba0SMike Christie } 5211e9e2be3SAdheer Chandravanshi case ISCSI_FLASHNODE_PARAM: 5221e9e2be3SAdheer Chandravanshi switch (param) { 5231e9e2be3SAdheer Chandravanshi case ISCSI_FLASHNODE_IS_FW_ASSIGNED_IPV6: 5241e9e2be3SAdheer Chandravanshi case ISCSI_FLASHNODE_PORTAL_TYPE: 5251e9e2be3SAdheer Chandravanshi case ISCSI_FLASHNODE_AUTO_SND_TGT_DISABLE: 5261e9e2be3SAdheer Chandravanshi case ISCSI_FLASHNODE_DISCOVERY_SESS: 5271e9e2be3SAdheer Chandravanshi case ISCSI_FLASHNODE_ENTRY_EN: 5281e9e2be3SAdheer Chandravanshi case ISCSI_FLASHNODE_HDR_DGST_EN: 5291e9e2be3SAdheer Chandravanshi case ISCSI_FLASHNODE_DATA_DGST_EN: 5301e9e2be3SAdheer Chandravanshi case ISCSI_FLASHNODE_IMM_DATA_EN: 5311e9e2be3SAdheer Chandravanshi case ISCSI_FLASHNODE_INITIAL_R2T_EN: 5321e9e2be3SAdheer Chandravanshi case ISCSI_FLASHNODE_DATASEQ_INORDER: 5331e9e2be3SAdheer Chandravanshi case ISCSI_FLASHNODE_PDU_INORDER: 5341e9e2be3SAdheer Chandravanshi case ISCSI_FLASHNODE_CHAP_AUTH_EN: 5351e9e2be3SAdheer Chandravanshi case ISCSI_FLASHNODE_SNACK_REQ_EN: 5361e9e2be3SAdheer Chandravanshi case ISCSI_FLASHNODE_DISCOVERY_LOGOUT_EN: 5371e9e2be3SAdheer Chandravanshi case ISCSI_FLASHNODE_BIDI_CHAP_EN: 5381e9e2be3SAdheer Chandravanshi case ISCSI_FLASHNODE_DISCOVERY_AUTH_OPTIONAL: 5391e9e2be3SAdheer Chandravanshi case ISCSI_FLASHNODE_ERL: 5401e9e2be3SAdheer Chandravanshi case ISCSI_FLASHNODE_TCP_TIMESTAMP_STAT: 5411e9e2be3SAdheer Chandravanshi case ISCSI_FLASHNODE_TCP_NAGLE_DISABLE: 5421e9e2be3SAdheer Chandravanshi case ISCSI_FLASHNODE_TCP_WSF_DISABLE: 5431e9e2be3SAdheer Chandravanshi case ISCSI_FLASHNODE_TCP_TIMER_SCALE: 5441e9e2be3SAdheer Chandravanshi case ISCSI_FLASHNODE_TCP_TIMESTAMP_EN: 5451e9e2be3SAdheer Chandravanshi case ISCSI_FLASHNODE_IP_FRAG_DISABLE: 5461e9e2be3SAdheer Chandravanshi case ISCSI_FLASHNODE_MAX_RECV_DLENGTH: 5471e9e2be3SAdheer Chandravanshi case ISCSI_FLASHNODE_MAX_XMIT_DLENGTH: 5481e9e2be3SAdheer Chandravanshi case ISCSI_FLASHNODE_FIRST_BURST: 5491e9e2be3SAdheer Chandravanshi case ISCSI_FLASHNODE_DEF_TIME2WAIT: 5501e9e2be3SAdheer Chandravanshi case ISCSI_FLASHNODE_DEF_TIME2RETAIN: 5511e9e2be3SAdheer Chandravanshi case ISCSI_FLASHNODE_MAX_R2T: 5521e9e2be3SAdheer Chandravanshi case ISCSI_FLASHNODE_KEEPALIVE_TMO: 5531e9e2be3SAdheer Chandravanshi case ISCSI_FLASHNODE_ISID: 5541e9e2be3SAdheer Chandravanshi case ISCSI_FLASHNODE_TSID: 5551e9e2be3SAdheer Chandravanshi case ISCSI_FLASHNODE_PORT: 5561e9e2be3SAdheer Chandravanshi case ISCSI_FLASHNODE_MAX_BURST: 5571e9e2be3SAdheer Chandravanshi case ISCSI_FLASHNODE_DEF_TASKMGMT_TMO: 5581e9e2be3SAdheer Chandravanshi case ISCSI_FLASHNODE_IPADDR: 5591e9e2be3SAdheer Chandravanshi case ISCSI_FLASHNODE_ALIAS: 5601e9e2be3SAdheer Chandravanshi case ISCSI_FLASHNODE_REDIRECT_IPADDR: 5611e9e2be3SAdheer Chandravanshi case ISCSI_FLASHNODE_MAX_SEGMENT_SIZE: 5621e9e2be3SAdheer Chandravanshi case ISCSI_FLASHNODE_LOCAL_PORT: 5631e9e2be3SAdheer Chandravanshi case ISCSI_FLASHNODE_IPV4_TOS: 5641e9e2be3SAdheer Chandravanshi case ISCSI_FLASHNODE_IPV6_TC: 5651e9e2be3SAdheer Chandravanshi case ISCSI_FLASHNODE_IPV6_FLOW_LABEL: 5661e9e2be3SAdheer Chandravanshi case ISCSI_FLASHNODE_NAME: 5671e9e2be3SAdheer Chandravanshi case ISCSI_FLASHNODE_TPGT: 5681e9e2be3SAdheer Chandravanshi case ISCSI_FLASHNODE_LINK_LOCAL_IPV6: 5691e9e2be3SAdheer Chandravanshi case ISCSI_FLASHNODE_DISCOVERY_PARENT_IDX: 5701e9e2be3SAdheer Chandravanshi case ISCSI_FLASHNODE_DISCOVERY_PARENT_TYPE: 5711e9e2be3SAdheer Chandravanshi case ISCSI_FLASHNODE_TCP_XMIT_WSF: 5721e9e2be3SAdheer Chandravanshi case ISCSI_FLASHNODE_TCP_RECV_WSF: 5731e9e2be3SAdheer Chandravanshi case ISCSI_FLASHNODE_CHAP_OUT_IDX: 5741e9e2be3SAdheer Chandravanshi case ISCSI_FLASHNODE_USERNAME: 5751e9e2be3SAdheer Chandravanshi case ISCSI_FLASHNODE_PASSWORD: 5761e9e2be3SAdheer Chandravanshi case ISCSI_FLASHNODE_STATSN: 5771e9e2be3SAdheer Chandravanshi case ISCSI_FLASHNODE_EXP_STATSN: 5781e9e2be3SAdheer Chandravanshi case ISCSI_FLASHNODE_IS_BOOT_TGT: 5791e9e2be3SAdheer Chandravanshi return S_IRUGO; 5801e9e2be3SAdheer Chandravanshi default: 5811e9e2be3SAdheer Chandravanshi return 0; 5821e9e2be3SAdheer Chandravanshi } 5833128c6c7SMike Christie } 5843128c6c7SMike Christie 5853128c6c7SMike Christie return 0; 5863128c6c7SMike Christie } 5873128c6c7SMike Christie 588ea507a25SAdheer Chandravanshi /** 589ea507a25SAdheer Chandravanshi * qla4xxx_create chap_list - Create CHAP list from FLASH 590ea507a25SAdheer Chandravanshi * @ha: pointer to adapter structure 591ea507a25SAdheer Chandravanshi * 592ea507a25SAdheer Chandravanshi * Read flash and make a list of CHAP entries, during login when a CHAP entry 593ea507a25SAdheer Chandravanshi * is received, it will be checked in this list. If entry exist then the CHAP 594ea507a25SAdheer Chandravanshi * entry index is set in the DDB. If CHAP entry does not exist in this list 595ea507a25SAdheer Chandravanshi * then a new entry is added in FLASH in CHAP table and the index obtained is 596ea507a25SAdheer Chandravanshi * used in the DDB. 597ea507a25SAdheer Chandravanshi **/ 598ea507a25SAdheer Chandravanshi static void qla4xxx_create_chap_list(struct scsi_qla_host *ha) 599ea507a25SAdheer Chandravanshi { 600ea507a25SAdheer Chandravanshi int rval = 0; 601ea507a25SAdheer Chandravanshi uint8_t *chap_flash_data = NULL; 602ea507a25SAdheer Chandravanshi uint32_t offset; 603ea507a25SAdheer Chandravanshi dma_addr_t chap_dma; 604ea507a25SAdheer Chandravanshi uint32_t chap_size = 0; 605ea507a25SAdheer Chandravanshi 606ea507a25SAdheer Chandravanshi if (is_qla40XX(ha)) 607ea507a25SAdheer Chandravanshi chap_size = MAX_CHAP_ENTRIES_40XX * 608ea507a25SAdheer Chandravanshi sizeof(struct ql4_chap_table); 609ea507a25SAdheer Chandravanshi else /* Single region contains CHAP info for both 610ea507a25SAdheer Chandravanshi * ports which is divided into half for each port. 611ea507a25SAdheer Chandravanshi */ 612ea507a25SAdheer Chandravanshi chap_size = ha->hw.flt_chap_size / 2; 613ea507a25SAdheer Chandravanshi 614ea507a25SAdheer Chandravanshi chap_flash_data = dma_alloc_coherent(&ha->pdev->dev, chap_size, 615ea507a25SAdheer Chandravanshi &chap_dma, GFP_KERNEL); 616ea507a25SAdheer Chandravanshi if (!chap_flash_data) { 617ea507a25SAdheer Chandravanshi ql4_printk(KERN_ERR, ha, "No memory for chap_flash_data\n"); 618ea507a25SAdheer Chandravanshi return; 619ea507a25SAdheer Chandravanshi } 620ea507a25SAdheer Chandravanshi 621ea507a25SAdheer Chandravanshi if (is_qla40XX(ha)) { 622ea507a25SAdheer Chandravanshi offset = FLASH_CHAP_OFFSET; 623ea507a25SAdheer Chandravanshi } else { 624ea507a25SAdheer Chandravanshi offset = FLASH_RAW_ACCESS_ADDR + (ha->hw.flt_region_chap << 2); 625ea507a25SAdheer Chandravanshi if (ha->port_num == 1) 626ea507a25SAdheer Chandravanshi offset += chap_size; 627ea507a25SAdheer Chandravanshi } 628ea507a25SAdheer Chandravanshi 629ea507a25SAdheer Chandravanshi rval = qla4xxx_get_flash(ha, chap_dma, offset, chap_size); 630ea507a25SAdheer Chandravanshi if (rval != QLA_SUCCESS) 631ea507a25SAdheer Chandravanshi goto exit_chap_list; 632ea507a25SAdheer Chandravanshi 633ea507a25SAdheer Chandravanshi if (ha->chap_list == NULL) 634ea507a25SAdheer Chandravanshi ha->chap_list = vmalloc(chap_size); 635ea507a25SAdheer Chandravanshi if (ha->chap_list == NULL) { 636ea507a25SAdheer Chandravanshi ql4_printk(KERN_ERR, ha, "No memory for ha->chap_list\n"); 637ea507a25SAdheer Chandravanshi goto exit_chap_list; 638ea507a25SAdheer Chandravanshi } 639ea507a25SAdheer Chandravanshi 640ea507a25SAdheer Chandravanshi memset(ha->chap_list, 0, chap_size); 641ea507a25SAdheer Chandravanshi memcpy(ha->chap_list, chap_flash_data, chap_size); 642ea507a25SAdheer Chandravanshi 643ea507a25SAdheer Chandravanshi exit_chap_list: 644ea507a25SAdheer Chandravanshi dma_free_coherent(&ha->pdev->dev, chap_size, chap_flash_data, chap_dma); 645ea507a25SAdheer Chandravanshi } 646ea507a25SAdheer Chandravanshi 64726ffd7b4SAdheer Chandravanshi static int qla4xxx_get_chap_by_index(struct scsi_qla_host *ha, 64826ffd7b4SAdheer Chandravanshi int16_t chap_index, 64926ffd7b4SAdheer Chandravanshi struct ql4_chap_table **chap_entry) 65026ffd7b4SAdheer Chandravanshi { 65126ffd7b4SAdheer Chandravanshi int rval = QLA_ERROR; 65226ffd7b4SAdheer Chandravanshi int max_chap_entries; 65326ffd7b4SAdheer Chandravanshi 65426ffd7b4SAdheer Chandravanshi if (!ha->chap_list) { 65526ffd7b4SAdheer Chandravanshi ql4_printk(KERN_ERR, ha, "CHAP table cache is empty!\n"); 65626ffd7b4SAdheer Chandravanshi rval = QLA_ERROR; 65726ffd7b4SAdheer Chandravanshi goto exit_get_chap; 65826ffd7b4SAdheer Chandravanshi } 65926ffd7b4SAdheer Chandravanshi 66026ffd7b4SAdheer Chandravanshi if (is_qla80XX(ha)) 66126ffd7b4SAdheer Chandravanshi max_chap_entries = (ha->hw.flt_chap_size / 2) / 66226ffd7b4SAdheer Chandravanshi sizeof(struct ql4_chap_table); 66326ffd7b4SAdheer Chandravanshi else 66426ffd7b4SAdheer Chandravanshi max_chap_entries = MAX_CHAP_ENTRIES_40XX; 66526ffd7b4SAdheer Chandravanshi 66626ffd7b4SAdheer Chandravanshi if (chap_index > max_chap_entries) { 66726ffd7b4SAdheer Chandravanshi ql4_printk(KERN_ERR, ha, "Invalid Chap index\n"); 66826ffd7b4SAdheer Chandravanshi rval = QLA_ERROR; 66926ffd7b4SAdheer Chandravanshi goto exit_get_chap; 67026ffd7b4SAdheer Chandravanshi } 67126ffd7b4SAdheer Chandravanshi 67226ffd7b4SAdheer Chandravanshi *chap_entry = (struct ql4_chap_table *)ha->chap_list + chap_index; 67326ffd7b4SAdheer Chandravanshi if ((*chap_entry)->cookie != 67426ffd7b4SAdheer Chandravanshi __constant_cpu_to_le16(CHAP_VALID_COOKIE)) { 67526ffd7b4SAdheer Chandravanshi rval = QLA_ERROR; 67626ffd7b4SAdheer Chandravanshi *chap_entry = NULL; 67726ffd7b4SAdheer Chandravanshi } else { 67826ffd7b4SAdheer Chandravanshi rval = QLA_SUCCESS; 67926ffd7b4SAdheer Chandravanshi } 68026ffd7b4SAdheer Chandravanshi 68126ffd7b4SAdheer Chandravanshi exit_get_chap: 68226ffd7b4SAdheer Chandravanshi return rval; 68326ffd7b4SAdheer Chandravanshi } 68426ffd7b4SAdheer Chandravanshi 68526ffd7b4SAdheer Chandravanshi /** 68626ffd7b4SAdheer Chandravanshi * qla4xxx_find_free_chap_index - Find the first free chap index 68726ffd7b4SAdheer Chandravanshi * @ha: pointer to adapter structure 68826ffd7b4SAdheer Chandravanshi * @chap_index: CHAP index to be returned 68926ffd7b4SAdheer Chandravanshi * 69026ffd7b4SAdheer Chandravanshi * Find the first free chap index available in the chap table 69126ffd7b4SAdheer Chandravanshi * 69226ffd7b4SAdheer Chandravanshi * Note: Caller should acquire the chap lock before getting here. 69326ffd7b4SAdheer Chandravanshi **/ 69426ffd7b4SAdheer Chandravanshi static int qla4xxx_find_free_chap_index(struct scsi_qla_host *ha, 69526ffd7b4SAdheer Chandravanshi uint16_t *chap_index) 69626ffd7b4SAdheer Chandravanshi { 69726ffd7b4SAdheer Chandravanshi int i, rval; 69826ffd7b4SAdheer Chandravanshi int free_index = -1; 69926ffd7b4SAdheer Chandravanshi int max_chap_entries = 0; 70026ffd7b4SAdheer Chandravanshi struct ql4_chap_table *chap_table; 70126ffd7b4SAdheer Chandravanshi 70226ffd7b4SAdheer Chandravanshi if (is_qla80XX(ha)) 70326ffd7b4SAdheer Chandravanshi max_chap_entries = (ha->hw.flt_chap_size / 2) / 70426ffd7b4SAdheer Chandravanshi sizeof(struct ql4_chap_table); 70526ffd7b4SAdheer Chandravanshi else 70626ffd7b4SAdheer Chandravanshi max_chap_entries = MAX_CHAP_ENTRIES_40XX; 70726ffd7b4SAdheer Chandravanshi 70826ffd7b4SAdheer Chandravanshi if (!ha->chap_list) { 70926ffd7b4SAdheer Chandravanshi ql4_printk(KERN_ERR, ha, "CHAP table cache is empty!\n"); 71026ffd7b4SAdheer Chandravanshi rval = QLA_ERROR; 71126ffd7b4SAdheer Chandravanshi goto exit_find_chap; 71226ffd7b4SAdheer Chandravanshi } 71326ffd7b4SAdheer Chandravanshi 71426ffd7b4SAdheer Chandravanshi for (i = 0; i < max_chap_entries; i++) { 71526ffd7b4SAdheer Chandravanshi chap_table = (struct ql4_chap_table *)ha->chap_list + i; 71626ffd7b4SAdheer Chandravanshi 71726ffd7b4SAdheer Chandravanshi if ((chap_table->cookie != 71826ffd7b4SAdheer Chandravanshi __constant_cpu_to_le16(CHAP_VALID_COOKIE)) && 71926ffd7b4SAdheer Chandravanshi (i > MAX_RESRV_CHAP_IDX)) { 72026ffd7b4SAdheer Chandravanshi free_index = i; 72126ffd7b4SAdheer Chandravanshi break; 72226ffd7b4SAdheer Chandravanshi } 72326ffd7b4SAdheer Chandravanshi } 72426ffd7b4SAdheer Chandravanshi 72526ffd7b4SAdheer Chandravanshi if (free_index != -1) { 72626ffd7b4SAdheer Chandravanshi *chap_index = free_index; 72726ffd7b4SAdheer Chandravanshi rval = QLA_SUCCESS; 72826ffd7b4SAdheer Chandravanshi } else { 72926ffd7b4SAdheer Chandravanshi rval = QLA_ERROR; 73026ffd7b4SAdheer Chandravanshi } 73126ffd7b4SAdheer Chandravanshi 73226ffd7b4SAdheer Chandravanshi exit_find_chap: 73326ffd7b4SAdheer Chandravanshi return rval; 73426ffd7b4SAdheer Chandravanshi } 73526ffd7b4SAdheer Chandravanshi 736376738afSNilesh Javali static int qla4xxx_get_chap_list(struct Scsi_Host *shost, uint16_t chap_tbl_idx, 737376738afSNilesh Javali uint32_t *num_entries, char *buf) 738376738afSNilesh Javali { 739376738afSNilesh Javali struct scsi_qla_host *ha = to_qla_host(shost); 740376738afSNilesh Javali struct ql4_chap_table *chap_table; 741376738afSNilesh Javali struct iscsi_chap_rec *chap_rec; 742376738afSNilesh Javali int max_chap_entries = 0; 743376738afSNilesh Javali int valid_chap_entries = 0; 744376738afSNilesh Javali int ret = 0, i; 745376738afSNilesh Javali 746d11b0ca3SVikas Chaudhary if (is_qla80XX(ha)) 747376738afSNilesh Javali max_chap_entries = (ha->hw.flt_chap_size / 2) / 748376738afSNilesh Javali sizeof(struct ql4_chap_table); 749376738afSNilesh Javali else 750376738afSNilesh Javali max_chap_entries = MAX_CHAP_ENTRIES_40XX; 751376738afSNilesh Javali 752376738afSNilesh Javali ql4_printk(KERN_INFO, ha, "%s: num_entries = %d, CHAP idx = %d\n", 753376738afSNilesh Javali __func__, *num_entries, chap_tbl_idx); 754376738afSNilesh Javali 755376738afSNilesh Javali if (!buf) { 756376738afSNilesh Javali ret = -ENOMEM; 757376738afSNilesh Javali goto exit_get_chap_list; 758376738afSNilesh Javali } 759376738afSNilesh Javali 760ea507a25SAdheer Chandravanshi qla4xxx_create_chap_list(ha); 761ea507a25SAdheer Chandravanshi 762376738afSNilesh Javali chap_rec = (struct iscsi_chap_rec *) buf; 763376738afSNilesh Javali mutex_lock(&ha->chap_sem); 764376738afSNilesh Javali for (i = chap_tbl_idx; i < max_chap_entries; i++) { 765376738afSNilesh Javali chap_table = (struct ql4_chap_table *)ha->chap_list + i; 766376738afSNilesh Javali if (chap_table->cookie != 767376738afSNilesh Javali __constant_cpu_to_le16(CHAP_VALID_COOKIE)) 768376738afSNilesh Javali continue; 769376738afSNilesh Javali 770376738afSNilesh Javali chap_rec->chap_tbl_idx = i; 771bdbb9662SRickard Strandqvist strlcpy(chap_rec->username, chap_table->name, 772376738afSNilesh Javali ISCSI_CHAP_AUTH_NAME_MAX_LEN); 773bdbb9662SRickard Strandqvist strlcpy(chap_rec->password, chap_table->secret, 774376738afSNilesh Javali QL4_CHAP_MAX_SECRET_LEN); 775376738afSNilesh Javali chap_rec->password_length = chap_table->secret_len; 776376738afSNilesh Javali 777376738afSNilesh Javali if (chap_table->flags & BIT_7) /* local */ 778376738afSNilesh Javali chap_rec->chap_type = CHAP_TYPE_OUT; 779376738afSNilesh Javali 780376738afSNilesh Javali if (chap_table->flags & BIT_6) /* peer */ 781376738afSNilesh Javali chap_rec->chap_type = CHAP_TYPE_IN; 782376738afSNilesh Javali 783376738afSNilesh Javali chap_rec++; 784376738afSNilesh Javali 785376738afSNilesh Javali valid_chap_entries++; 786376738afSNilesh Javali if (valid_chap_entries == *num_entries) 787376738afSNilesh Javali break; 788376738afSNilesh Javali else 789376738afSNilesh Javali continue; 790376738afSNilesh Javali } 791376738afSNilesh Javali mutex_unlock(&ha->chap_sem); 792376738afSNilesh Javali 793376738afSNilesh Javali exit_get_chap_list: 794376738afSNilesh Javali ql4_printk(KERN_INFO, ha, "%s: Valid CHAP Entries = %d\n", 795376738afSNilesh Javali __func__, valid_chap_entries); 796376738afSNilesh Javali *num_entries = valid_chap_entries; 797376738afSNilesh Javali return ret; 798376738afSNilesh Javali } 799376738afSNilesh Javali 800376738afSNilesh Javali static int __qla4xxx_is_chap_active(struct device *dev, void *data) 801376738afSNilesh Javali { 802376738afSNilesh Javali int ret = 0; 803376738afSNilesh Javali uint16_t *chap_tbl_idx = (uint16_t *) data; 804376738afSNilesh Javali struct iscsi_cls_session *cls_session; 805376738afSNilesh Javali struct iscsi_session *sess; 806376738afSNilesh Javali struct ddb_entry *ddb_entry; 807376738afSNilesh Javali 808376738afSNilesh Javali if (!iscsi_is_session_dev(dev)) 809376738afSNilesh Javali goto exit_is_chap_active; 810376738afSNilesh Javali 811376738afSNilesh Javali cls_session = iscsi_dev_to_session(dev); 812376738afSNilesh Javali sess = cls_session->dd_data; 813376738afSNilesh Javali ddb_entry = sess->dd_data; 814376738afSNilesh Javali 815376738afSNilesh Javali if (iscsi_session_chkready(cls_session)) 816376738afSNilesh Javali goto exit_is_chap_active; 817376738afSNilesh Javali 818376738afSNilesh Javali if (ddb_entry->chap_tbl_idx == *chap_tbl_idx) 819376738afSNilesh Javali ret = 1; 820376738afSNilesh Javali 821376738afSNilesh Javali exit_is_chap_active: 822376738afSNilesh Javali return ret; 823376738afSNilesh Javali } 824376738afSNilesh Javali 825376738afSNilesh Javali static int qla4xxx_is_chap_active(struct Scsi_Host *shost, 826376738afSNilesh Javali uint16_t chap_tbl_idx) 827376738afSNilesh Javali { 828376738afSNilesh Javali int ret = 0; 829376738afSNilesh Javali 830376738afSNilesh Javali ret = device_for_each_child(&shost->shost_gendev, &chap_tbl_idx, 831376738afSNilesh Javali __qla4xxx_is_chap_active); 832376738afSNilesh Javali 833376738afSNilesh Javali return ret; 834376738afSNilesh Javali } 835376738afSNilesh Javali 836376738afSNilesh Javali static int qla4xxx_delete_chap(struct Scsi_Host *shost, uint16_t chap_tbl_idx) 837376738afSNilesh Javali { 838376738afSNilesh Javali struct scsi_qla_host *ha = to_qla_host(shost); 839376738afSNilesh Javali struct ql4_chap_table *chap_table; 840376738afSNilesh Javali dma_addr_t chap_dma; 841376738afSNilesh Javali int max_chap_entries = 0; 842376738afSNilesh Javali uint32_t offset = 0; 843376738afSNilesh Javali uint32_t chap_size; 844376738afSNilesh Javali int ret = 0; 845376738afSNilesh Javali 846376738afSNilesh Javali chap_table = dma_pool_alloc(ha->chap_dma_pool, GFP_KERNEL, &chap_dma); 847376738afSNilesh Javali if (chap_table == NULL) 848376738afSNilesh Javali return -ENOMEM; 849376738afSNilesh Javali 850376738afSNilesh Javali memset(chap_table, 0, sizeof(struct ql4_chap_table)); 851376738afSNilesh Javali 852d11b0ca3SVikas Chaudhary if (is_qla80XX(ha)) 853376738afSNilesh Javali max_chap_entries = (ha->hw.flt_chap_size / 2) / 854376738afSNilesh Javali sizeof(struct ql4_chap_table); 855376738afSNilesh Javali else 856376738afSNilesh Javali max_chap_entries = MAX_CHAP_ENTRIES_40XX; 857376738afSNilesh Javali 858376738afSNilesh Javali if (chap_tbl_idx > max_chap_entries) { 859376738afSNilesh Javali ret = -EINVAL; 860376738afSNilesh Javali goto exit_delete_chap; 861376738afSNilesh Javali } 862376738afSNilesh Javali 863376738afSNilesh Javali /* Check if chap index is in use. 864376738afSNilesh Javali * If chap is in use don't delet chap entry */ 865376738afSNilesh Javali ret = qla4xxx_is_chap_active(shost, chap_tbl_idx); 866376738afSNilesh Javali if (ret) { 867376738afSNilesh Javali ql4_printk(KERN_INFO, ha, "CHAP entry %d is in use, cannot " 868376738afSNilesh Javali "delete from flash\n", chap_tbl_idx); 869376738afSNilesh Javali ret = -EBUSY; 870376738afSNilesh Javali goto exit_delete_chap; 871376738afSNilesh Javali } 872376738afSNilesh Javali 873376738afSNilesh Javali chap_size = sizeof(struct ql4_chap_table); 874376738afSNilesh Javali if (is_qla40XX(ha)) 875376738afSNilesh Javali offset = FLASH_CHAP_OFFSET | (chap_tbl_idx * chap_size); 876376738afSNilesh Javali else { 877376738afSNilesh Javali offset = FLASH_RAW_ACCESS_ADDR + (ha->hw.flt_region_chap << 2); 878376738afSNilesh Javali /* flt_chap_size is CHAP table size for both ports 879376738afSNilesh Javali * so divide it by 2 to calculate the offset for second port 880376738afSNilesh Javali */ 881376738afSNilesh Javali if (ha->port_num == 1) 882376738afSNilesh Javali offset += (ha->hw.flt_chap_size / 2); 883376738afSNilesh Javali offset += (chap_tbl_idx * chap_size); 884376738afSNilesh Javali } 885376738afSNilesh Javali 886376738afSNilesh Javali ret = qla4xxx_get_flash(ha, chap_dma, offset, chap_size); 887376738afSNilesh Javali if (ret != QLA_SUCCESS) { 888376738afSNilesh Javali ret = -EINVAL; 889376738afSNilesh Javali goto exit_delete_chap; 890376738afSNilesh Javali } 891376738afSNilesh Javali 892376738afSNilesh Javali DEBUG2(ql4_printk(KERN_INFO, ha, "Chap Cookie: x%x\n", 893376738afSNilesh Javali __le16_to_cpu(chap_table->cookie))); 894376738afSNilesh Javali 895376738afSNilesh Javali if (__le16_to_cpu(chap_table->cookie) != CHAP_VALID_COOKIE) { 896376738afSNilesh Javali ql4_printk(KERN_ERR, ha, "No valid chap entry found\n"); 897376738afSNilesh Javali goto exit_delete_chap; 898376738afSNilesh Javali } 899376738afSNilesh Javali 900376738afSNilesh Javali chap_table->cookie = __constant_cpu_to_le16(0xFFFF); 901376738afSNilesh Javali 902376738afSNilesh Javali offset = FLASH_CHAP_OFFSET | 903376738afSNilesh Javali (chap_tbl_idx * sizeof(struct ql4_chap_table)); 904376738afSNilesh Javali ret = qla4xxx_set_flash(ha, chap_dma, offset, chap_size, 905376738afSNilesh Javali FLASH_OPT_RMW_COMMIT); 906376738afSNilesh Javali if (ret == QLA_SUCCESS && ha->chap_list) { 907376738afSNilesh Javali mutex_lock(&ha->chap_sem); 908376738afSNilesh Javali /* Update ha chap_list cache */ 909376738afSNilesh Javali memcpy((struct ql4_chap_table *)ha->chap_list + chap_tbl_idx, 910376738afSNilesh Javali chap_table, sizeof(struct ql4_chap_table)); 911376738afSNilesh Javali mutex_unlock(&ha->chap_sem); 912376738afSNilesh Javali } 913376738afSNilesh Javali if (ret != QLA_SUCCESS) 914376738afSNilesh Javali ret = -EINVAL; 915376738afSNilesh Javali 916376738afSNilesh Javali exit_delete_chap: 917376738afSNilesh Javali dma_pool_free(ha->chap_dma_pool, chap_table, chap_dma); 918376738afSNilesh Javali return ret; 919376738afSNilesh Javali } 920376738afSNilesh Javali 92126ffd7b4SAdheer Chandravanshi /** 92226ffd7b4SAdheer Chandravanshi * qla4xxx_set_chap_entry - Make chap entry with given information 92326ffd7b4SAdheer Chandravanshi * @shost: pointer to host 92426ffd7b4SAdheer Chandravanshi * @data: chap info - credentials, index and type to make chap entry 92526ffd7b4SAdheer Chandravanshi * @len: length of data 92626ffd7b4SAdheer Chandravanshi * 92726ffd7b4SAdheer Chandravanshi * Add or update chap entry with the given information 92826ffd7b4SAdheer Chandravanshi **/ 92926ffd7b4SAdheer Chandravanshi static int qla4xxx_set_chap_entry(struct Scsi_Host *shost, void *data, int len) 93026ffd7b4SAdheer Chandravanshi { 93126ffd7b4SAdheer Chandravanshi struct scsi_qla_host *ha = to_qla_host(shost); 93226ffd7b4SAdheer Chandravanshi struct iscsi_chap_rec chap_rec; 93326ffd7b4SAdheer Chandravanshi struct ql4_chap_table *chap_entry = NULL; 93426ffd7b4SAdheer Chandravanshi struct iscsi_param_info *param_info; 93526ffd7b4SAdheer Chandravanshi struct nlattr *attr; 93626ffd7b4SAdheer Chandravanshi int max_chap_entries = 0; 93726ffd7b4SAdheer Chandravanshi int type; 93826ffd7b4SAdheer Chandravanshi int rem = len; 93926ffd7b4SAdheer Chandravanshi int rc = 0; 9403c60cfd7SDan Carpenter int size; 94126ffd7b4SAdheer Chandravanshi 94226ffd7b4SAdheer Chandravanshi memset(&chap_rec, 0, sizeof(chap_rec)); 94326ffd7b4SAdheer Chandravanshi 94426ffd7b4SAdheer Chandravanshi nla_for_each_attr(attr, data, len, rem) { 94526ffd7b4SAdheer Chandravanshi param_info = nla_data(attr); 94626ffd7b4SAdheer Chandravanshi 94726ffd7b4SAdheer Chandravanshi switch (param_info->param) { 94826ffd7b4SAdheer Chandravanshi case ISCSI_CHAP_PARAM_INDEX: 94926ffd7b4SAdheer Chandravanshi chap_rec.chap_tbl_idx = *(uint16_t *)param_info->value; 95026ffd7b4SAdheer Chandravanshi break; 95126ffd7b4SAdheer Chandravanshi case ISCSI_CHAP_PARAM_CHAP_TYPE: 95226ffd7b4SAdheer Chandravanshi chap_rec.chap_type = param_info->value[0]; 95326ffd7b4SAdheer Chandravanshi break; 95426ffd7b4SAdheer Chandravanshi case ISCSI_CHAP_PARAM_USERNAME: 9553c60cfd7SDan Carpenter size = min_t(size_t, sizeof(chap_rec.username), 95626ffd7b4SAdheer Chandravanshi param_info->len); 9573c60cfd7SDan Carpenter memcpy(chap_rec.username, param_info->value, size); 95826ffd7b4SAdheer Chandravanshi break; 95926ffd7b4SAdheer Chandravanshi case ISCSI_CHAP_PARAM_PASSWORD: 9603c60cfd7SDan Carpenter size = min_t(size_t, sizeof(chap_rec.password), 96126ffd7b4SAdheer Chandravanshi param_info->len); 9623c60cfd7SDan Carpenter memcpy(chap_rec.password, param_info->value, size); 96326ffd7b4SAdheer Chandravanshi break; 96426ffd7b4SAdheer Chandravanshi case ISCSI_CHAP_PARAM_PASSWORD_LEN: 96526ffd7b4SAdheer Chandravanshi chap_rec.password_length = param_info->value[0]; 96626ffd7b4SAdheer Chandravanshi break; 96726ffd7b4SAdheer Chandravanshi default: 96826ffd7b4SAdheer Chandravanshi ql4_printk(KERN_ERR, ha, 96926ffd7b4SAdheer Chandravanshi "%s: No such sysfs attribute\n", __func__); 97026ffd7b4SAdheer Chandravanshi rc = -ENOSYS; 97126ffd7b4SAdheer Chandravanshi goto exit_set_chap; 97226ffd7b4SAdheer Chandravanshi }; 97326ffd7b4SAdheer Chandravanshi } 97426ffd7b4SAdheer Chandravanshi 97526ffd7b4SAdheer Chandravanshi if (chap_rec.chap_type == CHAP_TYPE_IN) 97626ffd7b4SAdheer Chandravanshi type = BIDI_CHAP; 97726ffd7b4SAdheer Chandravanshi else 97826ffd7b4SAdheer Chandravanshi type = LOCAL_CHAP; 97926ffd7b4SAdheer Chandravanshi 98026ffd7b4SAdheer Chandravanshi if (is_qla80XX(ha)) 98126ffd7b4SAdheer Chandravanshi max_chap_entries = (ha->hw.flt_chap_size / 2) / 98226ffd7b4SAdheer Chandravanshi sizeof(struct ql4_chap_table); 98326ffd7b4SAdheer Chandravanshi else 98426ffd7b4SAdheer Chandravanshi max_chap_entries = MAX_CHAP_ENTRIES_40XX; 98526ffd7b4SAdheer Chandravanshi 98626ffd7b4SAdheer Chandravanshi mutex_lock(&ha->chap_sem); 98726ffd7b4SAdheer Chandravanshi if (chap_rec.chap_tbl_idx < max_chap_entries) { 98826ffd7b4SAdheer Chandravanshi rc = qla4xxx_get_chap_by_index(ha, chap_rec.chap_tbl_idx, 98926ffd7b4SAdheer Chandravanshi &chap_entry); 99026ffd7b4SAdheer Chandravanshi if (!rc) { 99126ffd7b4SAdheer Chandravanshi if (!(type == qla4xxx_get_chap_type(chap_entry))) { 99226ffd7b4SAdheer Chandravanshi ql4_printk(KERN_INFO, ha, 99326ffd7b4SAdheer Chandravanshi "Type mismatch for CHAP entry %d\n", 99426ffd7b4SAdheer Chandravanshi chap_rec.chap_tbl_idx); 99526ffd7b4SAdheer Chandravanshi rc = -EINVAL; 99626ffd7b4SAdheer Chandravanshi goto exit_unlock_chap; 99726ffd7b4SAdheer Chandravanshi } 99826ffd7b4SAdheer Chandravanshi 99926ffd7b4SAdheer Chandravanshi /* If chap index is in use then don't modify it */ 100026ffd7b4SAdheer Chandravanshi rc = qla4xxx_is_chap_active(shost, 100126ffd7b4SAdheer Chandravanshi chap_rec.chap_tbl_idx); 100226ffd7b4SAdheer Chandravanshi if (rc) { 100326ffd7b4SAdheer Chandravanshi ql4_printk(KERN_INFO, ha, 100426ffd7b4SAdheer Chandravanshi "CHAP entry %d is in use\n", 100526ffd7b4SAdheer Chandravanshi chap_rec.chap_tbl_idx); 100626ffd7b4SAdheer Chandravanshi rc = -EBUSY; 100726ffd7b4SAdheer Chandravanshi goto exit_unlock_chap; 100826ffd7b4SAdheer Chandravanshi } 100926ffd7b4SAdheer Chandravanshi } 101026ffd7b4SAdheer Chandravanshi } else { 101126ffd7b4SAdheer Chandravanshi rc = qla4xxx_find_free_chap_index(ha, &chap_rec.chap_tbl_idx); 101226ffd7b4SAdheer Chandravanshi if (rc) { 101326ffd7b4SAdheer Chandravanshi ql4_printk(KERN_INFO, ha, "CHAP entry not available\n"); 101426ffd7b4SAdheer Chandravanshi rc = -EBUSY; 101526ffd7b4SAdheer Chandravanshi goto exit_unlock_chap; 101626ffd7b4SAdheer Chandravanshi } 101726ffd7b4SAdheer Chandravanshi } 101826ffd7b4SAdheer Chandravanshi 101926ffd7b4SAdheer Chandravanshi rc = qla4xxx_set_chap(ha, chap_rec.username, chap_rec.password, 102026ffd7b4SAdheer Chandravanshi chap_rec.chap_tbl_idx, type); 102126ffd7b4SAdheer Chandravanshi 102226ffd7b4SAdheer Chandravanshi exit_unlock_chap: 102326ffd7b4SAdheer Chandravanshi mutex_unlock(&ha->chap_sem); 102426ffd7b4SAdheer Chandravanshi 102526ffd7b4SAdheer Chandravanshi exit_set_chap: 102626ffd7b4SAdheer Chandravanshi return rc; 102726ffd7b4SAdheer Chandravanshi } 102826ffd7b4SAdheer Chandravanshi 10294161cee5SLalit Chandivade 10304161cee5SLalit Chandivade static int qla4xxx_get_host_stats(struct Scsi_Host *shost, char *buf, int len) 10314161cee5SLalit Chandivade { 10324161cee5SLalit Chandivade struct scsi_qla_host *ha = to_qla_host(shost); 10334161cee5SLalit Chandivade struct iscsi_offload_host_stats *host_stats = NULL; 10344161cee5SLalit Chandivade int host_stats_size; 10354161cee5SLalit Chandivade int ret = 0; 10364161cee5SLalit Chandivade int ddb_idx = 0; 10374161cee5SLalit Chandivade struct ql_iscsi_stats *ql_iscsi_stats = NULL; 10384161cee5SLalit Chandivade int stats_size; 10394161cee5SLalit Chandivade dma_addr_t iscsi_stats_dma; 10404161cee5SLalit Chandivade 10414161cee5SLalit Chandivade DEBUG2(ql4_printk(KERN_INFO, ha, "Func: %s\n", __func__)); 10424161cee5SLalit Chandivade 10434161cee5SLalit Chandivade host_stats_size = sizeof(struct iscsi_offload_host_stats); 10444161cee5SLalit Chandivade 10454161cee5SLalit Chandivade if (host_stats_size != len) { 10464161cee5SLalit Chandivade ql4_printk(KERN_INFO, ha, "%s: host_stats size mismatch expected = %d, is = %d\n", 10474161cee5SLalit Chandivade __func__, len, host_stats_size); 10484161cee5SLalit Chandivade ret = -EINVAL; 10494161cee5SLalit Chandivade goto exit_host_stats; 10504161cee5SLalit Chandivade } 10514161cee5SLalit Chandivade host_stats = (struct iscsi_offload_host_stats *)buf; 10524161cee5SLalit Chandivade 10534161cee5SLalit Chandivade if (!buf) { 10544161cee5SLalit Chandivade ret = -ENOMEM; 10554161cee5SLalit Chandivade goto exit_host_stats; 10564161cee5SLalit Chandivade } 10574161cee5SLalit Chandivade 10584161cee5SLalit Chandivade stats_size = PAGE_ALIGN(sizeof(struct ql_iscsi_stats)); 10594161cee5SLalit Chandivade 10604161cee5SLalit Chandivade ql_iscsi_stats = dma_alloc_coherent(&ha->pdev->dev, stats_size, 10614161cee5SLalit Chandivade &iscsi_stats_dma, GFP_KERNEL); 10624161cee5SLalit Chandivade if (!ql_iscsi_stats) { 10634161cee5SLalit Chandivade ql4_printk(KERN_ERR, ha, 10644161cee5SLalit Chandivade "Unable to allocate memory for iscsi stats\n"); 10657f3976f0SMike Christie ret = -ENOMEM; 10664161cee5SLalit Chandivade goto exit_host_stats; 10674161cee5SLalit Chandivade } 10684161cee5SLalit Chandivade 10694161cee5SLalit Chandivade ret = qla4xxx_get_mgmt_data(ha, ddb_idx, stats_size, 10704161cee5SLalit Chandivade iscsi_stats_dma); 10714161cee5SLalit Chandivade if (ret != QLA_SUCCESS) { 10724161cee5SLalit Chandivade ql4_printk(KERN_ERR, ha, 10734161cee5SLalit Chandivade "Unable to retrieve iscsi stats\n"); 10747f3976f0SMike Christie ret = -EIO; 10754161cee5SLalit Chandivade goto exit_host_stats; 10764161cee5SLalit Chandivade } 10774161cee5SLalit Chandivade host_stats->mactx_frames = le64_to_cpu(ql_iscsi_stats->mac_tx_frames); 10784161cee5SLalit Chandivade host_stats->mactx_bytes = le64_to_cpu(ql_iscsi_stats->mac_tx_bytes); 10794161cee5SLalit Chandivade host_stats->mactx_multicast_frames = 10804161cee5SLalit Chandivade le64_to_cpu(ql_iscsi_stats->mac_tx_multicast_frames); 10814161cee5SLalit Chandivade host_stats->mactx_broadcast_frames = 10824161cee5SLalit Chandivade le64_to_cpu(ql_iscsi_stats->mac_tx_broadcast_frames); 10834161cee5SLalit Chandivade host_stats->mactx_pause_frames = 10844161cee5SLalit Chandivade le64_to_cpu(ql_iscsi_stats->mac_tx_pause_frames); 10854161cee5SLalit Chandivade host_stats->mactx_control_frames = 10864161cee5SLalit Chandivade le64_to_cpu(ql_iscsi_stats->mac_tx_control_frames); 10874161cee5SLalit Chandivade host_stats->mactx_deferral = 10884161cee5SLalit Chandivade le64_to_cpu(ql_iscsi_stats->mac_tx_deferral); 10894161cee5SLalit Chandivade host_stats->mactx_excess_deferral = 10904161cee5SLalit Chandivade le64_to_cpu(ql_iscsi_stats->mac_tx_excess_deferral); 10914161cee5SLalit Chandivade host_stats->mactx_late_collision = 10924161cee5SLalit Chandivade le64_to_cpu(ql_iscsi_stats->mac_tx_late_collision); 10934161cee5SLalit Chandivade host_stats->mactx_abort = le64_to_cpu(ql_iscsi_stats->mac_tx_abort); 10944161cee5SLalit Chandivade host_stats->mactx_single_collision = 10954161cee5SLalit Chandivade le64_to_cpu(ql_iscsi_stats->mac_tx_single_collision); 10964161cee5SLalit Chandivade host_stats->mactx_multiple_collision = 10974161cee5SLalit Chandivade le64_to_cpu(ql_iscsi_stats->mac_tx_multiple_collision); 10984161cee5SLalit Chandivade host_stats->mactx_collision = 10994161cee5SLalit Chandivade le64_to_cpu(ql_iscsi_stats->mac_tx_collision); 11004161cee5SLalit Chandivade host_stats->mactx_frames_dropped = 11014161cee5SLalit Chandivade le64_to_cpu(ql_iscsi_stats->mac_tx_frames_dropped); 11024161cee5SLalit Chandivade host_stats->mactx_jumbo_frames = 11034161cee5SLalit Chandivade le64_to_cpu(ql_iscsi_stats->mac_tx_jumbo_frames); 11044161cee5SLalit Chandivade host_stats->macrx_frames = le64_to_cpu(ql_iscsi_stats->mac_rx_frames); 11054161cee5SLalit Chandivade host_stats->macrx_bytes = le64_to_cpu(ql_iscsi_stats->mac_rx_bytes); 11064161cee5SLalit Chandivade host_stats->macrx_unknown_control_frames = 11074161cee5SLalit Chandivade le64_to_cpu(ql_iscsi_stats->mac_rx_unknown_control_frames); 11084161cee5SLalit Chandivade host_stats->macrx_pause_frames = 11094161cee5SLalit Chandivade le64_to_cpu(ql_iscsi_stats->mac_rx_pause_frames); 11104161cee5SLalit Chandivade host_stats->macrx_control_frames = 11114161cee5SLalit Chandivade le64_to_cpu(ql_iscsi_stats->mac_rx_control_frames); 11124161cee5SLalit Chandivade host_stats->macrx_dribble = 11134161cee5SLalit Chandivade le64_to_cpu(ql_iscsi_stats->mac_rx_dribble); 11144161cee5SLalit Chandivade host_stats->macrx_frame_length_error = 11154161cee5SLalit Chandivade le64_to_cpu(ql_iscsi_stats->mac_rx_frame_length_error); 11164161cee5SLalit Chandivade host_stats->macrx_jabber = le64_to_cpu(ql_iscsi_stats->mac_rx_jabber); 11174161cee5SLalit Chandivade host_stats->macrx_carrier_sense_error = 11184161cee5SLalit Chandivade le64_to_cpu(ql_iscsi_stats->mac_rx_carrier_sense_error); 11194161cee5SLalit Chandivade host_stats->macrx_frame_discarded = 11204161cee5SLalit Chandivade le64_to_cpu(ql_iscsi_stats->mac_rx_frame_discarded); 11214161cee5SLalit Chandivade host_stats->macrx_frames_dropped = 11224161cee5SLalit Chandivade le64_to_cpu(ql_iscsi_stats->mac_rx_frames_dropped); 11234161cee5SLalit Chandivade host_stats->mac_crc_error = le64_to_cpu(ql_iscsi_stats->mac_crc_error); 11244161cee5SLalit Chandivade host_stats->mac_encoding_error = 11254161cee5SLalit Chandivade le64_to_cpu(ql_iscsi_stats->mac_encoding_error); 11264161cee5SLalit Chandivade host_stats->macrx_length_error_large = 11274161cee5SLalit Chandivade le64_to_cpu(ql_iscsi_stats->mac_rx_length_error_large); 11284161cee5SLalit Chandivade host_stats->macrx_length_error_small = 11294161cee5SLalit Chandivade le64_to_cpu(ql_iscsi_stats->mac_rx_length_error_small); 11304161cee5SLalit Chandivade host_stats->macrx_multicast_frames = 11314161cee5SLalit Chandivade le64_to_cpu(ql_iscsi_stats->mac_rx_multicast_frames); 11324161cee5SLalit Chandivade host_stats->macrx_broadcast_frames = 11334161cee5SLalit Chandivade le64_to_cpu(ql_iscsi_stats->mac_rx_broadcast_frames); 11344161cee5SLalit Chandivade host_stats->iptx_packets = le64_to_cpu(ql_iscsi_stats->ip_tx_packets); 11354161cee5SLalit Chandivade host_stats->iptx_bytes = le64_to_cpu(ql_iscsi_stats->ip_tx_bytes); 11364161cee5SLalit Chandivade host_stats->iptx_fragments = 11374161cee5SLalit Chandivade le64_to_cpu(ql_iscsi_stats->ip_tx_fragments); 11384161cee5SLalit Chandivade host_stats->iprx_packets = le64_to_cpu(ql_iscsi_stats->ip_rx_packets); 11394161cee5SLalit Chandivade host_stats->iprx_bytes = le64_to_cpu(ql_iscsi_stats->ip_rx_bytes); 11404161cee5SLalit Chandivade host_stats->iprx_fragments = 11414161cee5SLalit Chandivade le64_to_cpu(ql_iscsi_stats->ip_rx_fragments); 11424161cee5SLalit Chandivade host_stats->ip_datagram_reassembly = 11434161cee5SLalit Chandivade le64_to_cpu(ql_iscsi_stats->ip_datagram_reassembly); 11444161cee5SLalit Chandivade host_stats->ip_invalid_address_error = 11454161cee5SLalit Chandivade le64_to_cpu(ql_iscsi_stats->ip_invalid_address_error); 11464161cee5SLalit Chandivade host_stats->ip_error_packets = 11474161cee5SLalit Chandivade le64_to_cpu(ql_iscsi_stats->ip_error_packets); 11484161cee5SLalit Chandivade host_stats->ip_fragrx_overlap = 11494161cee5SLalit Chandivade le64_to_cpu(ql_iscsi_stats->ip_fragrx_overlap); 11504161cee5SLalit Chandivade host_stats->ip_fragrx_outoforder = 11514161cee5SLalit Chandivade le64_to_cpu(ql_iscsi_stats->ip_fragrx_outoforder); 11524161cee5SLalit Chandivade host_stats->ip_datagram_reassembly_timeout = 11534161cee5SLalit Chandivade le64_to_cpu(ql_iscsi_stats->ip_datagram_reassembly_timeout); 11544161cee5SLalit Chandivade host_stats->ipv6tx_packets = 11554161cee5SLalit Chandivade le64_to_cpu(ql_iscsi_stats->ipv6_tx_packets); 11564161cee5SLalit Chandivade host_stats->ipv6tx_bytes = le64_to_cpu(ql_iscsi_stats->ipv6_tx_bytes); 11574161cee5SLalit Chandivade host_stats->ipv6tx_fragments = 11584161cee5SLalit Chandivade le64_to_cpu(ql_iscsi_stats->ipv6_tx_fragments); 11594161cee5SLalit Chandivade host_stats->ipv6rx_packets = 11604161cee5SLalit Chandivade le64_to_cpu(ql_iscsi_stats->ipv6_rx_packets); 11614161cee5SLalit Chandivade host_stats->ipv6rx_bytes = le64_to_cpu(ql_iscsi_stats->ipv6_rx_bytes); 11624161cee5SLalit Chandivade host_stats->ipv6rx_fragments = 11634161cee5SLalit Chandivade le64_to_cpu(ql_iscsi_stats->ipv6_rx_fragments); 11644161cee5SLalit Chandivade host_stats->ipv6_datagram_reassembly = 11654161cee5SLalit Chandivade le64_to_cpu(ql_iscsi_stats->ipv6_datagram_reassembly); 11664161cee5SLalit Chandivade host_stats->ipv6_invalid_address_error = 11674161cee5SLalit Chandivade le64_to_cpu(ql_iscsi_stats->ipv6_invalid_address_error); 11684161cee5SLalit Chandivade host_stats->ipv6_error_packets = 11694161cee5SLalit Chandivade le64_to_cpu(ql_iscsi_stats->ipv6_error_packets); 11704161cee5SLalit Chandivade host_stats->ipv6_fragrx_overlap = 11714161cee5SLalit Chandivade le64_to_cpu(ql_iscsi_stats->ipv6_fragrx_overlap); 11724161cee5SLalit Chandivade host_stats->ipv6_fragrx_outoforder = 11734161cee5SLalit Chandivade le64_to_cpu(ql_iscsi_stats->ipv6_fragrx_outoforder); 11744161cee5SLalit Chandivade host_stats->ipv6_datagram_reassembly_timeout = 11754161cee5SLalit Chandivade le64_to_cpu(ql_iscsi_stats->ipv6_datagram_reassembly_timeout); 11764161cee5SLalit Chandivade host_stats->tcptx_segments = 11774161cee5SLalit Chandivade le64_to_cpu(ql_iscsi_stats->tcp_tx_segments); 11784161cee5SLalit Chandivade host_stats->tcptx_bytes = le64_to_cpu(ql_iscsi_stats->tcp_tx_bytes); 11794161cee5SLalit Chandivade host_stats->tcprx_segments = 11804161cee5SLalit Chandivade le64_to_cpu(ql_iscsi_stats->tcp_rx_segments); 11814161cee5SLalit Chandivade host_stats->tcprx_byte = le64_to_cpu(ql_iscsi_stats->tcp_rx_byte); 11824161cee5SLalit Chandivade host_stats->tcp_duplicate_ack_retx = 11834161cee5SLalit Chandivade le64_to_cpu(ql_iscsi_stats->tcp_duplicate_ack_retx); 11844161cee5SLalit Chandivade host_stats->tcp_retx_timer_expired = 11854161cee5SLalit Chandivade le64_to_cpu(ql_iscsi_stats->tcp_retx_timer_expired); 11864161cee5SLalit Chandivade host_stats->tcprx_duplicate_ack = 11874161cee5SLalit Chandivade le64_to_cpu(ql_iscsi_stats->tcp_rx_duplicate_ack); 11884161cee5SLalit Chandivade host_stats->tcprx_pure_ackr = 11894161cee5SLalit Chandivade le64_to_cpu(ql_iscsi_stats->tcp_rx_pure_ackr); 11904161cee5SLalit Chandivade host_stats->tcptx_delayed_ack = 11914161cee5SLalit Chandivade le64_to_cpu(ql_iscsi_stats->tcp_tx_delayed_ack); 11924161cee5SLalit Chandivade host_stats->tcptx_pure_ack = 11934161cee5SLalit Chandivade le64_to_cpu(ql_iscsi_stats->tcp_tx_pure_ack); 11944161cee5SLalit Chandivade host_stats->tcprx_segment_error = 11954161cee5SLalit Chandivade le64_to_cpu(ql_iscsi_stats->tcp_rx_segment_error); 11964161cee5SLalit Chandivade host_stats->tcprx_segment_outoforder = 11974161cee5SLalit Chandivade le64_to_cpu(ql_iscsi_stats->tcp_rx_segment_outoforder); 11984161cee5SLalit Chandivade host_stats->tcprx_window_probe = 11994161cee5SLalit Chandivade le64_to_cpu(ql_iscsi_stats->tcp_rx_window_probe); 12004161cee5SLalit Chandivade host_stats->tcprx_window_update = 12014161cee5SLalit Chandivade le64_to_cpu(ql_iscsi_stats->tcp_rx_window_update); 12024161cee5SLalit Chandivade host_stats->tcptx_window_probe_persist = 12034161cee5SLalit Chandivade le64_to_cpu(ql_iscsi_stats->tcp_tx_window_probe_persist); 12044161cee5SLalit Chandivade host_stats->ecc_error_correction = 12054161cee5SLalit Chandivade le64_to_cpu(ql_iscsi_stats->ecc_error_correction); 12064161cee5SLalit Chandivade host_stats->iscsi_pdu_tx = le64_to_cpu(ql_iscsi_stats->iscsi_pdu_tx); 12074161cee5SLalit Chandivade host_stats->iscsi_data_bytes_tx = 12084161cee5SLalit Chandivade le64_to_cpu(ql_iscsi_stats->iscsi_data_bytes_tx); 12094161cee5SLalit Chandivade host_stats->iscsi_pdu_rx = le64_to_cpu(ql_iscsi_stats->iscsi_pdu_rx); 12104161cee5SLalit Chandivade host_stats->iscsi_data_bytes_rx = 12114161cee5SLalit Chandivade le64_to_cpu(ql_iscsi_stats->iscsi_data_bytes_rx); 12124161cee5SLalit Chandivade host_stats->iscsi_io_completed = 12134161cee5SLalit Chandivade le64_to_cpu(ql_iscsi_stats->iscsi_io_completed); 12144161cee5SLalit Chandivade host_stats->iscsi_unexpected_io_rx = 12154161cee5SLalit Chandivade le64_to_cpu(ql_iscsi_stats->iscsi_unexpected_io_rx); 12164161cee5SLalit Chandivade host_stats->iscsi_format_error = 12174161cee5SLalit Chandivade le64_to_cpu(ql_iscsi_stats->iscsi_format_error); 12184161cee5SLalit Chandivade host_stats->iscsi_hdr_digest_error = 12194161cee5SLalit Chandivade le64_to_cpu(ql_iscsi_stats->iscsi_hdr_digest_error); 12204161cee5SLalit Chandivade host_stats->iscsi_data_digest_error = 12214161cee5SLalit Chandivade le64_to_cpu(ql_iscsi_stats->iscsi_data_digest_error); 12224161cee5SLalit Chandivade host_stats->iscsi_sequence_error = 12234161cee5SLalit Chandivade le64_to_cpu(ql_iscsi_stats->iscsi_sequence_error); 12244161cee5SLalit Chandivade exit_host_stats: 12254161cee5SLalit Chandivade if (ql_iscsi_stats) 12264161cee5SLalit Chandivade dma_free_coherent(&ha->pdev->dev, host_stats_size, 12274161cee5SLalit Chandivade ql_iscsi_stats, iscsi_stats_dma); 12284161cee5SLalit Chandivade 12294161cee5SLalit Chandivade ql4_printk(KERN_INFO, ha, "%s: Get host stats done\n", 12304161cee5SLalit Chandivade __func__); 12314161cee5SLalit Chandivade return ret; 12324161cee5SLalit Chandivade } 12334161cee5SLalit Chandivade 1234ed1086e0SVikas Chaudhary static int qla4xxx_get_iface_param(struct iscsi_iface *iface, 1235ed1086e0SVikas Chaudhary enum iscsi_param_type param_type, 1236ed1086e0SVikas Chaudhary int param, char *buf) 1237ed1086e0SVikas Chaudhary { 1238ed1086e0SVikas Chaudhary struct Scsi_Host *shost = iscsi_iface_to_shost(iface); 1239ed1086e0SVikas Chaudhary struct scsi_qla_host *ha = to_qla_host(shost); 1240f8e93412SHarish Zunjarrao int ival; 1241f8e93412SHarish Zunjarrao char *pval = NULL; 1242ed1086e0SVikas Chaudhary int len = -ENOSYS; 1243ed1086e0SVikas Chaudhary 1244f8e93412SHarish Zunjarrao if (param_type == ISCSI_NET_PARAM) { 1245ed1086e0SVikas Chaudhary switch (param) { 1246ed1086e0SVikas Chaudhary case ISCSI_NET_PARAM_IPV4_ADDR: 1247ed1086e0SVikas Chaudhary len = sprintf(buf, "%pI4\n", &ha->ip_config.ip_address); 1248ed1086e0SVikas Chaudhary break; 1249ed1086e0SVikas Chaudhary case ISCSI_NET_PARAM_IPV4_SUBNET: 1250f8e93412SHarish Zunjarrao len = sprintf(buf, "%pI4\n", 1251f8e93412SHarish Zunjarrao &ha->ip_config.subnet_mask); 1252ed1086e0SVikas Chaudhary break; 1253ed1086e0SVikas Chaudhary case ISCSI_NET_PARAM_IPV4_GW: 1254ed1086e0SVikas Chaudhary len = sprintf(buf, "%pI4\n", &ha->ip_config.gateway); 1255ed1086e0SVikas Chaudhary break; 1256ed1086e0SVikas Chaudhary case ISCSI_NET_PARAM_IFACE_ENABLE: 1257f8e93412SHarish Zunjarrao if (iface->iface_type == ISCSI_IFACE_TYPE_IPV4) { 1258f8e93412SHarish Zunjarrao OP_STATE(ha->ip_config.ipv4_options, 1259f8e93412SHarish Zunjarrao IPOPT_IPV4_PROTOCOL_ENABLE, pval); 1260f8e93412SHarish Zunjarrao } else { 1261f8e93412SHarish Zunjarrao OP_STATE(ha->ip_config.ipv6_options, 1262f8e93412SHarish Zunjarrao IPV6_OPT_IPV6_PROTOCOL_ENABLE, pval); 1263f8e93412SHarish Zunjarrao } 1264f8e93412SHarish Zunjarrao 1265f8e93412SHarish Zunjarrao len = sprintf(buf, "%s\n", pval); 1266ed1086e0SVikas Chaudhary break; 1267ed1086e0SVikas Chaudhary case ISCSI_NET_PARAM_IPV4_BOOTPROTO: 1268ed1086e0SVikas Chaudhary len = sprintf(buf, "%s\n", 1269f8e93412SHarish Zunjarrao (ha->ip_config.tcp_options & 1270f8e93412SHarish Zunjarrao TCPOPT_DHCP_ENABLE) ? 1271ed1086e0SVikas Chaudhary "dhcp" : "static"); 1272ed1086e0SVikas Chaudhary break; 1273ed1086e0SVikas Chaudhary case ISCSI_NET_PARAM_IPV6_ADDR: 1274ed1086e0SVikas Chaudhary if (iface->iface_num == 0) 1275f8e93412SHarish Zunjarrao len = sprintf(buf, "%pI6\n", 1276f8e93412SHarish Zunjarrao &ha->ip_config.ipv6_addr0); 1277ed1086e0SVikas Chaudhary if (iface->iface_num == 1) 1278f8e93412SHarish Zunjarrao len = sprintf(buf, "%pI6\n", 1279f8e93412SHarish Zunjarrao &ha->ip_config.ipv6_addr1); 1280ed1086e0SVikas Chaudhary break; 1281ed1086e0SVikas Chaudhary case ISCSI_NET_PARAM_IPV6_LINKLOCAL: 1282ed1086e0SVikas Chaudhary len = sprintf(buf, "%pI6\n", 1283ed1086e0SVikas Chaudhary &ha->ip_config.ipv6_link_local_addr); 1284ed1086e0SVikas Chaudhary break; 1285ed1086e0SVikas Chaudhary case ISCSI_NET_PARAM_IPV6_ROUTER: 1286ed1086e0SVikas Chaudhary len = sprintf(buf, "%pI6\n", 1287ed1086e0SVikas Chaudhary &ha->ip_config.ipv6_default_router_addr); 1288ed1086e0SVikas Chaudhary break; 1289ed1086e0SVikas Chaudhary case ISCSI_NET_PARAM_IPV6_ADDR_AUTOCFG: 1290f8e93412SHarish Zunjarrao pval = (ha->ip_config.ipv6_addl_options & 1291ed1086e0SVikas Chaudhary IPV6_ADDOPT_NEIGHBOR_DISCOVERY_ADDR_ENABLE) ? 1292f8e93412SHarish Zunjarrao "nd" : "static"; 1293f8e93412SHarish Zunjarrao 1294f8e93412SHarish Zunjarrao len = sprintf(buf, "%s\n", pval); 1295ed1086e0SVikas Chaudhary break; 1296ed1086e0SVikas Chaudhary case ISCSI_NET_PARAM_IPV6_LINKLOCAL_AUTOCFG: 1297f8e93412SHarish Zunjarrao pval = (ha->ip_config.ipv6_addl_options & 1298ed1086e0SVikas Chaudhary IPV6_ADDOPT_AUTOCONFIG_LINK_LOCAL_ADDR) ? 1299f8e93412SHarish Zunjarrao "auto" : "static"; 1300f8e93412SHarish Zunjarrao 1301f8e93412SHarish Zunjarrao len = sprintf(buf, "%s\n", pval); 1302ed1086e0SVikas Chaudhary break; 13036ac73e8cSVikas Chaudhary case ISCSI_NET_PARAM_VLAN_ID: 13046ac73e8cSVikas Chaudhary if (iface->iface_type == ISCSI_IFACE_TYPE_IPV4) 1305f8e93412SHarish Zunjarrao ival = ha->ip_config.ipv4_vlan_tag & 1306f8e93412SHarish Zunjarrao ISCSI_MAX_VLAN_ID; 1307f8e93412SHarish Zunjarrao else 1308f8e93412SHarish Zunjarrao ival = ha->ip_config.ipv6_vlan_tag & 1309f8e93412SHarish Zunjarrao ISCSI_MAX_VLAN_ID; 1310f8e93412SHarish Zunjarrao 1311f8e93412SHarish Zunjarrao len = sprintf(buf, "%d\n", ival); 13126ac73e8cSVikas Chaudhary break; 13136ac73e8cSVikas Chaudhary case ISCSI_NET_PARAM_VLAN_PRIORITY: 13146ac73e8cSVikas Chaudhary if (iface->iface_type == ISCSI_IFACE_TYPE_IPV4) 1315f8e93412SHarish Zunjarrao ival = (ha->ip_config.ipv4_vlan_tag >> 13) & 1316f8e93412SHarish Zunjarrao ISCSI_MAX_VLAN_PRIORITY; 1317f8e93412SHarish Zunjarrao else 1318f8e93412SHarish Zunjarrao ival = (ha->ip_config.ipv6_vlan_tag >> 13) & 1319f8e93412SHarish Zunjarrao ISCSI_MAX_VLAN_PRIORITY; 1320f8e93412SHarish Zunjarrao 1321f8e93412SHarish Zunjarrao len = sprintf(buf, "%d\n", ival); 13226ac73e8cSVikas Chaudhary break; 13236ac73e8cSVikas Chaudhary case ISCSI_NET_PARAM_VLAN_ENABLED: 1324f8e93412SHarish Zunjarrao if (iface->iface_type == ISCSI_IFACE_TYPE_IPV4) { 1325f8e93412SHarish Zunjarrao OP_STATE(ha->ip_config.ipv4_options, 1326f8e93412SHarish Zunjarrao IPOPT_VLAN_TAGGING_ENABLE, pval); 1327f8e93412SHarish Zunjarrao } else { 1328f8e93412SHarish Zunjarrao OP_STATE(ha->ip_config.ipv6_options, 1329f8e93412SHarish Zunjarrao IPV6_OPT_VLAN_TAGGING_ENABLE, pval); 1330f8e93412SHarish Zunjarrao } 1331f8e93412SHarish Zunjarrao len = sprintf(buf, "%s\n", pval); 13326ac73e8cSVikas Chaudhary break; 1333943c157bSVikas Chaudhary case ISCSI_NET_PARAM_MTU: 1334943c157bSVikas Chaudhary len = sprintf(buf, "%d\n", ha->ip_config.eth_mtu_size); 1335943c157bSVikas Chaudhary break; 13362ada7fc5SVikas Chaudhary case ISCSI_NET_PARAM_PORT: 13372ada7fc5SVikas Chaudhary if (iface->iface_type == ISCSI_IFACE_TYPE_IPV4) 1338f8e93412SHarish Zunjarrao len = sprintf(buf, "%d\n", 1339f8e93412SHarish Zunjarrao ha->ip_config.ipv4_port); 1340f8e93412SHarish Zunjarrao else 1341f8e93412SHarish Zunjarrao len = sprintf(buf, "%d\n", 1342f8e93412SHarish Zunjarrao ha->ip_config.ipv6_port); 1343f8e93412SHarish Zunjarrao break; 1344f8e93412SHarish Zunjarrao case ISCSI_NET_PARAM_IPADDR_STATE: 1345f8e93412SHarish Zunjarrao if (iface->iface_type == ISCSI_IFACE_TYPE_IPV4) { 1346f8e93412SHarish Zunjarrao pval = iscsi_get_ipaddress_state_name( 1347f8e93412SHarish Zunjarrao ha->ip_config.ipv4_addr_state); 1348f8e93412SHarish Zunjarrao } else { 1349f8e93412SHarish Zunjarrao if (iface->iface_num == 0) 1350f8e93412SHarish Zunjarrao pval = iscsi_get_ipaddress_state_name( 1351f8e93412SHarish Zunjarrao ha->ip_config.ipv6_addr0_state); 1352f8e93412SHarish Zunjarrao else if (iface->iface_num == 1) 1353f8e93412SHarish Zunjarrao pval = iscsi_get_ipaddress_state_name( 1354f8e93412SHarish Zunjarrao ha->ip_config.ipv6_addr1_state); 1355f8e93412SHarish Zunjarrao } 1356f8e93412SHarish Zunjarrao 1357f8e93412SHarish Zunjarrao len = sprintf(buf, "%s\n", pval); 1358f8e93412SHarish Zunjarrao break; 1359f8e93412SHarish Zunjarrao case ISCSI_NET_PARAM_IPV6_LINKLOCAL_STATE: 1360f8e93412SHarish Zunjarrao pval = iscsi_get_ipaddress_state_name( 1361f8e93412SHarish Zunjarrao ha->ip_config.ipv6_link_local_state); 1362f8e93412SHarish Zunjarrao len = sprintf(buf, "%s\n", pval); 1363f8e93412SHarish Zunjarrao break; 1364f8e93412SHarish Zunjarrao case ISCSI_NET_PARAM_IPV6_ROUTER_STATE: 1365f8e93412SHarish Zunjarrao pval = iscsi_get_router_state_name( 1366f8e93412SHarish Zunjarrao ha->ip_config.ipv6_default_router_state); 1367f8e93412SHarish Zunjarrao len = sprintf(buf, "%s\n", pval); 1368f8e93412SHarish Zunjarrao break; 1369f8e93412SHarish Zunjarrao case ISCSI_NET_PARAM_DELAYED_ACK_EN: 1370f8e93412SHarish Zunjarrao if (iface->iface_type == ISCSI_IFACE_TYPE_IPV4) { 1371f8e93412SHarish Zunjarrao OP_STATE(~ha->ip_config.tcp_options, 1372f8e93412SHarish Zunjarrao TCPOPT_DELAYED_ACK_DISABLE, pval); 1373f8e93412SHarish Zunjarrao } else { 1374f8e93412SHarish Zunjarrao OP_STATE(~ha->ip_config.ipv6_tcp_options, 1375f8e93412SHarish Zunjarrao IPV6_TCPOPT_DELAYED_ACK_DISABLE, pval); 1376f8e93412SHarish Zunjarrao } 1377f8e93412SHarish Zunjarrao len = sprintf(buf, "%s\n", pval); 1378f8e93412SHarish Zunjarrao break; 1379f8e93412SHarish Zunjarrao case ISCSI_NET_PARAM_TCP_NAGLE_DISABLE: 1380f8e93412SHarish Zunjarrao if (iface->iface_type == ISCSI_IFACE_TYPE_IPV4) { 1381f8e93412SHarish Zunjarrao OP_STATE(~ha->ip_config.tcp_options, 1382f8e93412SHarish Zunjarrao TCPOPT_NAGLE_ALGO_DISABLE, pval); 1383f8e93412SHarish Zunjarrao } else { 1384f8e93412SHarish Zunjarrao OP_STATE(~ha->ip_config.ipv6_tcp_options, 1385f8e93412SHarish Zunjarrao IPV6_TCPOPT_NAGLE_ALGO_DISABLE, pval); 1386f8e93412SHarish Zunjarrao } 1387f8e93412SHarish Zunjarrao len = sprintf(buf, "%s\n", pval); 1388f8e93412SHarish Zunjarrao break; 1389f8e93412SHarish Zunjarrao case ISCSI_NET_PARAM_TCP_WSF_DISABLE: 1390f8e93412SHarish Zunjarrao if (iface->iface_type == ISCSI_IFACE_TYPE_IPV4) { 1391f8e93412SHarish Zunjarrao OP_STATE(~ha->ip_config.tcp_options, 1392f8e93412SHarish Zunjarrao TCPOPT_WINDOW_SCALE_DISABLE, pval); 1393f8e93412SHarish Zunjarrao } else { 1394f8e93412SHarish Zunjarrao OP_STATE(~ha->ip_config.ipv6_tcp_options, 1395f8e93412SHarish Zunjarrao IPV6_TCPOPT_WINDOW_SCALE_DISABLE, 1396f8e93412SHarish Zunjarrao pval); 1397f8e93412SHarish Zunjarrao } 1398f8e93412SHarish Zunjarrao len = sprintf(buf, "%s\n", pval); 1399f8e93412SHarish Zunjarrao break; 1400f8e93412SHarish Zunjarrao case ISCSI_NET_PARAM_TCP_WSF: 1401f8e93412SHarish Zunjarrao if (iface->iface_type == ISCSI_IFACE_TYPE_IPV4) 1402f8e93412SHarish Zunjarrao len = sprintf(buf, "%d\n", 1403f8e93412SHarish Zunjarrao ha->ip_config.tcp_wsf); 1404f8e93412SHarish Zunjarrao else 1405f8e93412SHarish Zunjarrao len = sprintf(buf, "%d\n", 1406f8e93412SHarish Zunjarrao ha->ip_config.ipv6_tcp_wsf); 1407f8e93412SHarish Zunjarrao break; 1408f8e93412SHarish Zunjarrao case ISCSI_NET_PARAM_TCP_TIMER_SCALE: 1409f8e93412SHarish Zunjarrao if (iface->iface_type == ISCSI_IFACE_TYPE_IPV4) 1410f8e93412SHarish Zunjarrao ival = (ha->ip_config.tcp_options & 1411f8e93412SHarish Zunjarrao TCPOPT_TIMER_SCALE) >> 1; 1412f8e93412SHarish Zunjarrao else 1413f8e93412SHarish Zunjarrao ival = (ha->ip_config.ipv6_tcp_options & 1414f8e93412SHarish Zunjarrao IPV6_TCPOPT_TIMER_SCALE) >> 1; 1415f8e93412SHarish Zunjarrao 1416f8e93412SHarish Zunjarrao len = sprintf(buf, "%d\n", ival); 1417f8e93412SHarish Zunjarrao break; 1418f8e93412SHarish Zunjarrao case ISCSI_NET_PARAM_TCP_TIMESTAMP_EN: 1419f8e93412SHarish Zunjarrao if (iface->iface_type == ISCSI_IFACE_TYPE_IPV4) { 1420f8e93412SHarish Zunjarrao OP_STATE(ha->ip_config.tcp_options, 1421f8e93412SHarish Zunjarrao TCPOPT_TIMESTAMP_ENABLE, pval); 1422f8e93412SHarish Zunjarrao } else { 1423f8e93412SHarish Zunjarrao OP_STATE(ha->ip_config.ipv6_tcp_options, 1424f8e93412SHarish Zunjarrao IPV6_TCPOPT_TIMESTAMP_EN, pval); 1425f8e93412SHarish Zunjarrao } 1426f8e93412SHarish Zunjarrao len = sprintf(buf, "%s\n", pval); 1427f8e93412SHarish Zunjarrao break; 1428f8e93412SHarish Zunjarrao case ISCSI_NET_PARAM_CACHE_ID: 1429f8e93412SHarish Zunjarrao if (iface->iface_type == ISCSI_IFACE_TYPE_IPV4) 1430f8e93412SHarish Zunjarrao len = sprintf(buf, "%d\n", 1431f8e93412SHarish Zunjarrao ha->ip_config.ipv4_cache_id); 1432f8e93412SHarish Zunjarrao else 1433f8e93412SHarish Zunjarrao len = sprintf(buf, "%d\n", 1434f8e93412SHarish Zunjarrao ha->ip_config.ipv6_cache_id); 1435f8e93412SHarish Zunjarrao break; 1436f8e93412SHarish Zunjarrao case ISCSI_NET_PARAM_IPV4_DHCP_DNS_ADDR_EN: 1437f8e93412SHarish Zunjarrao OP_STATE(ha->ip_config.tcp_options, 1438f8e93412SHarish Zunjarrao TCPOPT_DNS_SERVER_IP_EN, pval); 1439f8e93412SHarish Zunjarrao 1440f8e93412SHarish Zunjarrao len = sprintf(buf, "%s\n", pval); 1441f8e93412SHarish Zunjarrao break; 1442f8e93412SHarish Zunjarrao case ISCSI_NET_PARAM_IPV4_DHCP_SLP_DA_EN: 1443f8e93412SHarish Zunjarrao OP_STATE(ha->ip_config.tcp_options, 1444f8e93412SHarish Zunjarrao TCPOPT_SLP_DA_INFO_EN, pval); 1445f8e93412SHarish Zunjarrao 1446f8e93412SHarish Zunjarrao len = sprintf(buf, "%s\n", pval); 1447f8e93412SHarish Zunjarrao break; 1448f8e93412SHarish Zunjarrao case ISCSI_NET_PARAM_IPV4_TOS_EN: 1449f8e93412SHarish Zunjarrao OP_STATE(ha->ip_config.ipv4_options, 1450f8e93412SHarish Zunjarrao IPOPT_IPV4_TOS_EN, pval); 1451f8e93412SHarish Zunjarrao 1452f8e93412SHarish Zunjarrao len = sprintf(buf, "%s\n", pval); 1453f8e93412SHarish Zunjarrao break; 1454f8e93412SHarish Zunjarrao case ISCSI_NET_PARAM_IPV4_TOS: 1455f8e93412SHarish Zunjarrao len = sprintf(buf, "%d\n", ha->ip_config.ipv4_tos); 1456f8e93412SHarish Zunjarrao break; 1457f8e93412SHarish Zunjarrao case ISCSI_NET_PARAM_IPV4_GRAT_ARP_EN: 1458f8e93412SHarish Zunjarrao OP_STATE(ha->ip_config.ipv4_options, 1459f8e93412SHarish Zunjarrao IPOPT_GRAT_ARP_EN, pval); 1460f8e93412SHarish Zunjarrao 1461f8e93412SHarish Zunjarrao len = sprintf(buf, "%s\n", pval); 1462f8e93412SHarish Zunjarrao break; 1463f8e93412SHarish Zunjarrao case ISCSI_NET_PARAM_IPV4_DHCP_ALT_CLIENT_ID_EN: 1464f8e93412SHarish Zunjarrao OP_STATE(ha->ip_config.ipv4_options, IPOPT_ALT_CID_EN, 1465f8e93412SHarish Zunjarrao pval); 1466f8e93412SHarish Zunjarrao 1467f8e93412SHarish Zunjarrao len = sprintf(buf, "%s\n", pval); 1468f8e93412SHarish Zunjarrao break; 1469f8e93412SHarish Zunjarrao case ISCSI_NET_PARAM_IPV4_DHCP_ALT_CLIENT_ID: 1470f8e93412SHarish Zunjarrao pval = (ha->ip_config.ipv4_alt_cid_len) ? 1471f8e93412SHarish Zunjarrao (char *)ha->ip_config.ipv4_alt_cid : ""; 1472f8e93412SHarish Zunjarrao 1473f8e93412SHarish Zunjarrao len = sprintf(buf, "%s\n", pval); 1474f8e93412SHarish Zunjarrao break; 1475f8e93412SHarish Zunjarrao case ISCSI_NET_PARAM_IPV4_DHCP_REQ_VENDOR_ID_EN: 1476f8e93412SHarish Zunjarrao OP_STATE(ha->ip_config.ipv4_options, 1477f8e93412SHarish Zunjarrao IPOPT_REQ_VID_EN, pval); 1478f8e93412SHarish Zunjarrao 1479f8e93412SHarish Zunjarrao len = sprintf(buf, "%s\n", pval); 1480f8e93412SHarish Zunjarrao break; 1481f8e93412SHarish Zunjarrao case ISCSI_NET_PARAM_IPV4_DHCP_USE_VENDOR_ID_EN: 1482f8e93412SHarish Zunjarrao OP_STATE(ha->ip_config.ipv4_options, 1483f8e93412SHarish Zunjarrao IPOPT_USE_VID_EN, pval); 1484f8e93412SHarish Zunjarrao 1485f8e93412SHarish Zunjarrao len = sprintf(buf, "%s\n", pval); 1486f8e93412SHarish Zunjarrao break; 1487f8e93412SHarish Zunjarrao case ISCSI_NET_PARAM_IPV4_DHCP_VENDOR_ID: 1488f8e93412SHarish Zunjarrao pval = (ha->ip_config.ipv4_vid_len) ? 1489f8e93412SHarish Zunjarrao (char *)ha->ip_config.ipv4_vid : ""; 1490f8e93412SHarish Zunjarrao 1491f8e93412SHarish Zunjarrao len = sprintf(buf, "%s\n", pval); 1492f8e93412SHarish Zunjarrao break; 1493f8e93412SHarish Zunjarrao case ISCSI_NET_PARAM_IPV4_DHCP_LEARN_IQN_EN: 1494f8e93412SHarish Zunjarrao OP_STATE(ha->ip_config.ipv4_options, 1495f8e93412SHarish Zunjarrao IPOPT_LEARN_IQN_EN, pval); 1496f8e93412SHarish Zunjarrao 1497f8e93412SHarish Zunjarrao len = sprintf(buf, "%s\n", pval); 1498f8e93412SHarish Zunjarrao break; 1499f8e93412SHarish Zunjarrao case ISCSI_NET_PARAM_IPV4_FRAGMENT_DISABLE: 1500f8e93412SHarish Zunjarrao OP_STATE(~ha->ip_config.ipv4_options, 1501f8e93412SHarish Zunjarrao IPOPT_FRAGMENTATION_DISABLE, pval); 1502f8e93412SHarish Zunjarrao 1503f8e93412SHarish Zunjarrao len = sprintf(buf, "%s\n", pval); 1504f8e93412SHarish Zunjarrao break; 1505f8e93412SHarish Zunjarrao case ISCSI_NET_PARAM_IPV4_IN_FORWARD_EN: 1506f8e93412SHarish Zunjarrao OP_STATE(ha->ip_config.ipv4_options, 1507f8e93412SHarish Zunjarrao IPOPT_IN_FORWARD_EN, pval); 1508f8e93412SHarish Zunjarrao 1509f8e93412SHarish Zunjarrao len = sprintf(buf, "%s\n", pval); 1510f8e93412SHarish Zunjarrao break; 1511f8e93412SHarish Zunjarrao case ISCSI_NET_PARAM_REDIRECT_EN: 1512f8e93412SHarish Zunjarrao if (iface->iface_type == ISCSI_IFACE_TYPE_IPV4) { 1513f8e93412SHarish Zunjarrao OP_STATE(ha->ip_config.ipv4_options, 1514f8e93412SHarish Zunjarrao IPOPT_ARP_REDIRECT_EN, pval); 1515f8e93412SHarish Zunjarrao } else { 1516f8e93412SHarish Zunjarrao OP_STATE(ha->ip_config.ipv6_options, 1517f8e93412SHarish Zunjarrao IPV6_OPT_REDIRECT_EN, pval); 1518f8e93412SHarish Zunjarrao } 1519f8e93412SHarish Zunjarrao len = sprintf(buf, "%s\n", pval); 1520f8e93412SHarish Zunjarrao break; 1521f8e93412SHarish Zunjarrao case ISCSI_NET_PARAM_IPV4_TTL: 1522f8e93412SHarish Zunjarrao len = sprintf(buf, "%d\n", ha->ip_config.ipv4_ttl); 1523f8e93412SHarish Zunjarrao break; 1524f8e93412SHarish Zunjarrao case ISCSI_NET_PARAM_IPV6_GRAT_NEIGHBOR_ADV_EN: 1525f8e93412SHarish Zunjarrao OP_STATE(ha->ip_config.ipv6_options, 1526f8e93412SHarish Zunjarrao IPV6_OPT_GRAT_NEIGHBOR_ADV_EN, pval); 1527f8e93412SHarish Zunjarrao 1528f8e93412SHarish Zunjarrao len = sprintf(buf, "%s\n", pval); 1529f8e93412SHarish Zunjarrao break; 1530f8e93412SHarish Zunjarrao case ISCSI_NET_PARAM_IPV6_MLD_EN: 1531f8e93412SHarish Zunjarrao OP_STATE(ha->ip_config.ipv6_addl_options, 1532f8e93412SHarish Zunjarrao IPV6_ADDOPT_MLD_EN, pval); 1533f8e93412SHarish Zunjarrao 1534f8e93412SHarish Zunjarrao len = sprintf(buf, "%s\n", pval); 1535f8e93412SHarish Zunjarrao break; 1536f8e93412SHarish Zunjarrao case ISCSI_NET_PARAM_IPV6_FLOW_LABEL: 1537f8e93412SHarish Zunjarrao len = sprintf(buf, "%u\n", ha->ip_config.ipv6_flow_lbl); 1538f8e93412SHarish Zunjarrao break; 1539f8e93412SHarish Zunjarrao case ISCSI_NET_PARAM_IPV6_TRAFFIC_CLASS: 1540f8e93412SHarish Zunjarrao len = sprintf(buf, "%d\n", 1541f8e93412SHarish Zunjarrao ha->ip_config.ipv6_traffic_class); 1542f8e93412SHarish Zunjarrao break; 1543f8e93412SHarish Zunjarrao case ISCSI_NET_PARAM_IPV6_HOP_LIMIT: 1544f8e93412SHarish Zunjarrao len = sprintf(buf, "%d\n", 1545f8e93412SHarish Zunjarrao ha->ip_config.ipv6_hop_limit); 1546f8e93412SHarish Zunjarrao break; 1547f8e93412SHarish Zunjarrao case ISCSI_NET_PARAM_IPV6_ND_REACHABLE_TMO: 1548f8e93412SHarish Zunjarrao len = sprintf(buf, "%d\n", 1549f8e93412SHarish Zunjarrao ha->ip_config.ipv6_nd_reach_time); 1550f8e93412SHarish Zunjarrao break; 1551f8e93412SHarish Zunjarrao case ISCSI_NET_PARAM_IPV6_ND_REXMIT_TIME: 1552f8e93412SHarish Zunjarrao len = sprintf(buf, "%d\n", 1553f8e93412SHarish Zunjarrao ha->ip_config.ipv6_nd_rexmit_timer); 1554f8e93412SHarish Zunjarrao break; 1555f8e93412SHarish Zunjarrao case ISCSI_NET_PARAM_IPV6_ND_STALE_TMO: 1556f8e93412SHarish Zunjarrao len = sprintf(buf, "%d\n", 1557f8e93412SHarish Zunjarrao ha->ip_config.ipv6_nd_stale_timeout); 1558f8e93412SHarish Zunjarrao break; 1559f8e93412SHarish Zunjarrao case ISCSI_NET_PARAM_IPV6_DUP_ADDR_DETECT_CNT: 1560f8e93412SHarish Zunjarrao len = sprintf(buf, "%d\n", 1561f8e93412SHarish Zunjarrao ha->ip_config.ipv6_dup_addr_detect_count); 1562f8e93412SHarish Zunjarrao break; 1563f8e93412SHarish Zunjarrao case ISCSI_NET_PARAM_IPV6_RTR_ADV_LINK_MTU: 1564f8e93412SHarish Zunjarrao len = sprintf(buf, "%d\n", 1565f8e93412SHarish Zunjarrao ha->ip_config.ipv6_gw_advrt_mtu); 15662ada7fc5SVikas Chaudhary break; 1567ed1086e0SVikas Chaudhary default: 1568ed1086e0SVikas Chaudhary len = -ENOSYS; 1569ed1086e0SVikas Chaudhary } 1570f8e93412SHarish Zunjarrao } else if (param_type == ISCSI_IFACE_PARAM) { 1571f8e93412SHarish Zunjarrao switch (param) { 1572f8e93412SHarish Zunjarrao case ISCSI_IFACE_PARAM_DEF_TASKMGMT_TMO: 1573f8e93412SHarish Zunjarrao len = sprintf(buf, "%d\n", ha->ip_config.def_timeout); 1574f8e93412SHarish Zunjarrao break; 1575f8e93412SHarish Zunjarrao case ISCSI_IFACE_PARAM_HDRDGST_EN: 1576f8e93412SHarish Zunjarrao OP_STATE(ha->ip_config.iscsi_options, 1577f8e93412SHarish Zunjarrao ISCSIOPTS_HEADER_DIGEST_EN, pval); 1578f8e93412SHarish Zunjarrao 1579f8e93412SHarish Zunjarrao len = sprintf(buf, "%s\n", pval); 1580f8e93412SHarish Zunjarrao break; 1581f8e93412SHarish Zunjarrao case ISCSI_IFACE_PARAM_DATADGST_EN: 1582f8e93412SHarish Zunjarrao OP_STATE(ha->ip_config.iscsi_options, 1583f8e93412SHarish Zunjarrao ISCSIOPTS_DATA_DIGEST_EN, pval); 1584f8e93412SHarish Zunjarrao 1585f8e93412SHarish Zunjarrao len = sprintf(buf, "%s\n", pval); 1586f8e93412SHarish Zunjarrao break; 1587f8e93412SHarish Zunjarrao case ISCSI_IFACE_PARAM_IMM_DATA_EN: 1588f8e93412SHarish Zunjarrao OP_STATE(ha->ip_config.iscsi_options, 1589f8e93412SHarish Zunjarrao ISCSIOPTS_IMMEDIATE_DATA_EN, pval); 1590f8e93412SHarish Zunjarrao 1591f8e93412SHarish Zunjarrao len = sprintf(buf, "%s\n", pval); 1592f8e93412SHarish Zunjarrao break; 1593f8e93412SHarish Zunjarrao case ISCSI_IFACE_PARAM_INITIAL_R2T_EN: 1594f8e93412SHarish Zunjarrao OP_STATE(ha->ip_config.iscsi_options, 1595f8e93412SHarish Zunjarrao ISCSIOPTS_INITIAL_R2T_EN, pval); 1596f8e93412SHarish Zunjarrao 1597f8e93412SHarish Zunjarrao len = sprintf(buf, "%s\n", pval); 1598f8e93412SHarish Zunjarrao break; 1599f8e93412SHarish Zunjarrao case ISCSI_IFACE_PARAM_DATASEQ_INORDER_EN: 1600f8e93412SHarish Zunjarrao OP_STATE(ha->ip_config.iscsi_options, 1601f8e93412SHarish Zunjarrao ISCSIOPTS_DATA_SEQ_INORDER_EN, pval); 1602f8e93412SHarish Zunjarrao 1603f8e93412SHarish Zunjarrao len = sprintf(buf, "%s\n", pval); 1604f8e93412SHarish Zunjarrao break; 1605f8e93412SHarish Zunjarrao case ISCSI_IFACE_PARAM_PDU_INORDER_EN: 1606f8e93412SHarish Zunjarrao OP_STATE(ha->ip_config.iscsi_options, 1607f8e93412SHarish Zunjarrao ISCSIOPTS_DATA_PDU_INORDER_EN, pval); 1608f8e93412SHarish Zunjarrao 1609f8e93412SHarish Zunjarrao len = sprintf(buf, "%s\n", pval); 1610f8e93412SHarish Zunjarrao break; 1611f8e93412SHarish Zunjarrao case ISCSI_IFACE_PARAM_ERL: 1612f8e93412SHarish Zunjarrao len = sprintf(buf, "%d\n", 1613f8e93412SHarish Zunjarrao (ha->ip_config.iscsi_options & 1614f8e93412SHarish Zunjarrao ISCSIOPTS_ERL)); 1615f8e93412SHarish Zunjarrao break; 1616f8e93412SHarish Zunjarrao case ISCSI_IFACE_PARAM_MAX_RECV_DLENGTH: 1617f8e93412SHarish Zunjarrao len = sprintf(buf, "%u\n", 1618f8e93412SHarish Zunjarrao ha->ip_config.iscsi_max_pdu_size * 1619f8e93412SHarish Zunjarrao BYTE_UNITS); 1620f8e93412SHarish Zunjarrao break; 1621f8e93412SHarish Zunjarrao case ISCSI_IFACE_PARAM_FIRST_BURST: 1622f8e93412SHarish Zunjarrao len = sprintf(buf, "%u\n", 1623f8e93412SHarish Zunjarrao ha->ip_config.iscsi_first_burst_len * 1624f8e93412SHarish Zunjarrao BYTE_UNITS); 1625f8e93412SHarish Zunjarrao break; 1626f8e93412SHarish Zunjarrao case ISCSI_IFACE_PARAM_MAX_R2T: 1627f8e93412SHarish Zunjarrao len = sprintf(buf, "%d\n", 1628f8e93412SHarish Zunjarrao ha->ip_config.iscsi_max_outstnd_r2t); 1629f8e93412SHarish Zunjarrao break; 1630f8e93412SHarish Zunjarrao case ISCSI_IFACE_PARAM_MAX_BURST: 1631f8e93412SHarish Zunjarrao len = sprintf(buf, "%u\n", 1632f8e93412SHarish Zunjarrao ha->ip_config.iscsi_max_burst_len * 1633f8e93412SHarish Zunjarrao BYTE_UNITS); 1634f8e93412SHarish Zunjarrao break; 1635f8e93412SHarish Zunjarrao case ISCSI_IFACE_PARAM_CHAP_AUTH_EN: 1636f8e93412SHarish Zunjarrao OP_STATE(ha->ip_config.iscsi_options, 1637f8e93412SHarish Zunjarrao ISCSIOPTS_CHAP_AUTH_EN, pval); 1638f8e93412SHarish Zunjarrao 1639f8e93412SHarish Zunjarrao len = sprintf(buf, "%s\n", pval); 1640f8e93412SHarish Zunjarrao break; 1641f8e93412SHarish Zunjarrao case ISCSI_IFACE_PARAM_BIDI_CHAP_EN: 1642f8e93412SHarish Zunjarrao OP_STATE(ha->ip_config.iscsi_options, 1643f8e93412SHarish Zunjarrao ISCSIOPTS_BIDI_CHAP_EN, pval); 1644f8e93412SHarish Zunjarrao 1645f8e93412SHarish Zunjarrao len = sprintf(buf, "%s\n", pval); 1646f8e93412SHarish Zunjarrao break; 1647f8e93412SHarish Zunjarrao case ISCSI_IFACE_PARAM_DISCOVERY_AUTH_OPTIONAL: 1648f8e93412SHarish Zunjarrao OP_STATE(ha->ip_config.iscsi_options, 1649f8e93412SHarish Zunjarrao ISCSIOPTS_DISCOVERY_AUTH_EN, pval); 1650f8e93412SHarish Zunjarrao 1651f8e93412SHarish Zunjarrao len = sprintf(buf, "%s\n", pval); 1652f8e93412SHarish Zunjarrao break; 1653f8e93412SHarish Zunjarrao case ISCSI_IFACE_PARAM_DISCOVERY_LOGOUT_EN: 1654f8e93412SHarish Zunjarrao OP_STATE(ha->ip_config.iscsi_options, 1655f8e93412SHarish Zunjarrao ISCSIOPTS_DISCOVERY_LOGOUT_EN, pval); 1656f8e93412SHarish Zunjarrao 1657f8e93412SHarish Zunjarrao len = sprintf(buf, "%s\n", pval); 1658f8e93412SHarish Zunjarrao break; 1659f8e93412SHarish Zunjarrao case ISCSI_IFACE_PARAM_STRICT_LOGIN_COMP_EN: 1660f8e93412SHarish Zunjarrao OP_STATE(ha->ip_config.iscsi_options, 1661f8e93412SHarish Zunjarrao ISCSIOPTS_STRICT_LOGIN_COMP_EN, pval); 1662f8e93412SHarish Zunjarrao 1663f8e93412SHarish Zunjarrao len = sprintf(buf, "%s\n", pval); 1664f8e93412SHarish Zunjarrao break; 1665f8e93412SHarish Zunjarrao case ISCSI_IFACE_PARAM_INITIATOR_NAME: 1666f8e93412SHarish Zunjarrao len = sprintf(buf, "%s\n", ha->ip_config.iscsi_name); 1667f8e93412SHarish Zunjarrao break; 1668f8e93412SHarish Zunjarrao default: 1669f8e93412SHarish Zunjarrao len = -ENOSYS; 1670f8e93412SHarish Zunjarrao } 1671f8e93412SHarish Zunjarrao } 1672ed1086e0SVikas Chaudhary 1673ed1086e0SVikas Chaudhary return len; 1674ed1086e0SVikas Chaudhary } 1675ed1086e0SVikas Chaudhary 1676b3a271a9SManish Rangankar static struct iscsi_endpoint * 1677b3a271a9SManish Rangankar qla4xxx_ep_connect(struct Scsi_Host *shost, struct sockaddr *dst_addr, 1678b3a271a9SManish Rangankar int non_blocking) 1679b3a271a9SManish Rangankar { 1680b3a271a9SManish Rangankar int ret; 1681b3a271a9SManish Rangankar struct iscsi_endpoint *ep; 1682b3a271a9SManish Rangankar struct qla_endpoint *qla_ep; 1683b3a271a9SManish Rangankar struct scsi_qla_host *ha; 1684b3a271a9SManish Rangankar struct sockaddr_in *addr; 1685b3a271a9SManish Rangankar struct sockaddr_in6 *addr6; 1686b3a271a9SManish Rangankar 1687b3a271a9SManish Rangankar if (!shost) { 1688b3a271a9SManish Rangankar ret = -ENXIO; 1689c343c5e0SVikas Chaudhary pr_err("%s: shost is NULL\n", __func__); 1690b3a271a9SManish Rangankar return ERR_PTR(ret); 1691b3a271a9SManish Rangankar } 1692b3a271a9SManish Rangankar 1693b3a271a9SManish Rangankar ha = iscsi_host_priv(shost); 1694b3a271a9SManish Rangankar ep = iscsi_create_endpoint(sizeof(struct qla_endpoint)); 1695b3a271a9SManish Rangankar if (!ep) { 1696b3a271a9SManish Rangankar ret = -ENOMEM; 1697b3a271a9SManish Rangankar return ERR_PTR(ret); 1698b3a271a9SManish Rangankar } 1699b3a271a9SManish Rangankar 1700b3a271a9SManish Rangankar qla_ep = ep->dd_data; 1701b3a271a9SManish Rangankar memset(qla_ep, 0, sizeof(struct qla_endpoint)); 1702b3a271a9SManish Rangankar if (dst_addr->sa_family == AF_INET) { 1703b3a271a9SManish Rangankar memcpy(&qla_ep->dst_addr, dst_addr, sizeof(struct sockaddr_in)); 1704b3a271a9SManish Rangankar addr = (struct sockaddr_in *)&qla_ep->dst_addr; 1705b3a271a9SManish Rangankar DEBUG2(ql4_printk(KERN_INFO, ha, "%s: %pI4\n", __func__, 1706b3a271a9SManish Rangankar (char *)&addr->sin_addr)); 1707b3a271a9SManish Rangankar } else if (dst_addr->sa_family == AF_INET6) { 1708b3a271a9SManish Rangankar memcpy(&qla_ep->dst_addr, dst_addr, 1709b3a271a9SManish Rangankar sizeof(struct sockaddr_in6)); 1710b3a271a9SManish Rangankar addr6 = (struct sockaddr_in6 *)&qla_ep->dst_addr; 1711b3a271a9SManish Rangankar DEBUG2(ql4_printk(KERN_INFO, ha, "%s: %pI6\n", __func__, 1712b3a271a9SManish Rangankar (char *)&addr6->sin6_addr)); 1713c343c5e0SVikas Chaudhary } else { 1714c343c5e0SVikas Chaudhary ql4_printk(KERN_WARNING, ha, "%s: Invalid endpoint\n", 1715c343c5e0SVikas Chaudhary __func__); 1716b3a271a9SManish Rangankar } 1717b3a271a9SManish Rangankar 1718b3a271a9SManish Rangankar qla_ep->host = shost; 1719b3a271a9SManish Rangankar 1720b3a271a9SManish Rangankar return ep; 1721b3a271a9SManish Rangankar } 1722b3a271a9SManish Rangankar 1723b3a271a9SManish Rangankar static int qla4xxx_ep_poll(struct iscsi_endpoint *ep, int timeout_ms) 1724b3a271a9SManish Rangankar { 1725b3a271a9SManish Rangankar struct qla_endpoint *qla_ep; 1726b3a271a9SManish Rangankar struct scsi_qla_host *ha; 1727b3a271a9SManish Rangankar int ret = 0; 1728b3a271a9SManish Rangankar 1729b3a271a9SManish Rangankar qla_ep = ep->dd_data; 1730b3a271a9SManish Rangankar ha = to_qla_host(qla_ep->host); 1731c343c5e0SVikas Chaudhary DEBUG2(pr_info_ratelimited("%s: host: %ld\n", __func__, ha->host_no)); 1732b3a271a9SManish Rangankar 173313483730SMike Christie if (adapter_up(ha) && !test_bit(AF_BUILD_DDB_LIST, &ha->flags)) 1734b3a271a9SManish Rangankar ret = 1; 1735b3a271a9SManish Rangankar 1736b3a271a9SManish Rangankar return ret; 1737b3a271a9SManish Rangankar } 1738b3a271a9SManish Rangankar 1739b3a271a9SManish Rangankar static void qla4xxx_ep_disconnect(struct iscsi_endpoint *ep) 1740b3a271a9SManish Rangankar { 1741c343c5e0SVikas Chaudhary struct qla_endpoint *qla_ep; 1742c343c5e0SVikas Chaudhary struct scsi_qla_host *ha; 1743c343c5e0SVikas Chaudhary 1744c343c5e0SVikas Chaudhary qla_ep = ep->dd_data; 1745c343c5e0SVikas Chaudhary ha = to_qla_host(qla_ep->host); 1746c343c5e0SVikas Chaudhary DEBUG2(ql4_printk(KERN_INFO, ha, "%s: host: %ld\n", __func__, 1747c343c5e0SVikas Chaudhary ha->host_no)); 1748b3a271a9SManish Rangankar iscsi_destroy_endpoint(ep); 1749b3a271a9SManish Rangankar } 1750b3a271a9SManish Rangankar 1751b3a271a9SManish Rangankar static int qla4xxx_get_ep_param(struct iscsi_endpoint *ep, 1752b3a271a9SManish Rangankar enum iscsi_param param, 1753b3a271a9SManish Rangankar char *buf) 1754b3a271a9SManish Rangankar { 1755b3a271a9SManish Rangankar struct qla_endpoint *qla_ep = ep->dd_data; 1756b3a271a9SManish Rangankar struct sockaddr *dst_addr; 1757c343c5e0SVikas Chaudhary struct scsi_qla_host *ha; 1758b3a271a9SManish Rangankar 175973597bddSAdheer Chandravanshi if (!qla_ep) 176073597bddSAdheer Chandravanshi return -ENOTCONN; 176173597bddSAdheer Chandravanshi 1762c343c5e0SVikas Chaudhary ha = to_qla_host(qla_ep->host); 1763c343c5e0SVikas Chaudhary DEBUG2(ql4_printk(KERN_INFO, ha, "%s: host: %ld\n", __func__, 1764c343c5e0SVikas Chaudhary ha->host_no)); 1765b3a271a9SManish Rangankar 1766b3a271a9SManish Rangankar switch (param) { 1767b3a271a9SManish Rangankar case ISCSI_PARAM_CONN_PORT: 1768b3a271a9SManish Rangankar case ISCSI_PARAM_CONN_ADDRESS: 1769b3a271a9SManish Rangankar dst_addr = (struct sockaddr *)&qla_ep->dst_addr; 1770b3a271a9SManish Rangankar if (!dst_addr) 1771b3a271a9SManish Rangankar return -ENOTCONN; 1772b3a271a9SManish Rangankar 1773b3a271a9SManish Rangankar return iscsi_conn_get_addr_param((struct sockaddr_storage *) 1774b3a271a9SManish Rangankar &qla_ep->dst_addr, param, buf); 1775b3a271a9SManish Rangankar default: 1776b3a271a9SManish Rangankar return -ENOSYS; 1777b3a271a9SManish Rangankar } 1778b3a271a9SManish Rangankar } 1779b3a271a9SManish Rangankar 1780b3a271a9SManish Rangankar static void qla4xxx_conn_get_stats(struct iscsi_cls_conn *cls_conn, 1781b3a271a9SManish Rangankar struct iscsi_stats *stats) 1782b3a271a9SManish Rangankar { 1783b3a271a9SManish Rangankar struct iscsi_session *sess; 1784b3a271a9SManish Rangankar struct iscsi_cls_session *cls_sess; 1785b3a271a9SManish Rangankar struct ddb_entry *ddb_entry; 1786b3a271a9SManish Rangankar struct scsi_qla_host *ha; 1787b3a271a9SManish Rangankar struct ql_iscsi_stats *ql_iscsi_stats; 1788b3a271a9SManish Rangankar int stats_size; 1789b3a271a9SManish Rangankar int ret; 1790b3a271a9SManish Rangankar dma_addr_t iscsi_stats_dma; 1791b3a271a9SManish Rangankar 1792b3a271a9SManish Rangankar cls_sess = iscsi_conn_to_session(cls_conn); 1793b3a271a9SManish Rangankar sess = cls_sess->dd_data; 1794b3a271a9SManish Rangankar ddb_entry = sess->dd_data; 1795b3a271a9SManish Rangankar ha = ddb_entry->ha; 1796b3a271a9SManish Rangankar 1797c343c5e0SVikas Chaudhary DEBUG2(ql4_printk(KERN_INFO, ha, "%s: host: %ld\n", __func__, 1798c343c5e0SVikas Chaudhary ha->host_no)); 1799b3a271a9SManish Rangankar stats_size = PAGE_ALIGN(sizeof(struct ql_iscsi_stats)); 1800b3a271a9SManish Rangankar /* Allocate memory */ 1801b3a271a9SManish Rangankar ql_iscsi_stats = dma_alloc_coherent(&ha->pdev->dev, stats_size, 1802b3a271a9SManish Rangankar &iscsi_stats_dma, GFP_KERNEL); 1803b3a271a9SManish Rangankar if (!ql_iscsi_stats) { 1804b3a271a9SManish Rangankar ql4_printk(KERN_ERR, ha, 1805b3a271a9SManish Rangankar "Unable to allocate memory for iscsi stats\n"); 1806b3a271a9SManish Rangankar goto exit_get_stats; 1807b3a271a9SManish Rangankar } 1808b3a271a9SManish Rangankar 1809b3a271a9SManish Rangankar ret = qla4xxx_get_mgmt_data(ha, ddb_entry->fw_ddb_index, stats_size, 1810b3a271a9SManish Rangankar iscsi_stats_dma); 1811b3a271a9SManish Rangankar if (ret != QLA_SUCCESS) { 1812b3a271a9SManish Rangankar ql4_printk(KERN_ERR, ha, 181359e13d48SMasanari Iida "Unable to retrieve iscsi stats\n"); 1814b3a271a9SManish Rangankar goto free_stats; 1815b3a271a9SManish Rangankar } 1816b3a271a9SManish Rangankar 1817b3a271a9SManish Rangankar /* octets */ 1818b3a271a9SManish Rangankar stats->txdata_octets = le64_to_cpu(ql_iscsi_stats->tx_data_octets); 1819b3a271a9SManish Rangankar stats->rxdata_octets = le64_to_cpu(ql_iscsi_stats->rx_data_octets); 1820b3a271a9SManish Rangankar /* xmit pdus */ 1821b3a271a9SManish Rangankar stats->noptx_pdus = le32_to_cpu(ql_iscsi_stats->tx_nopout_pdus); 1822b3a271a9SManish Rangankar stats->scsicmd_pdus = le32_to_cpu(ql_iscsi_stats->tx_scsi_cmd_pdus); 1823b3a271a9SManish Rangankar stats->tmfcmd_pdus = le32_to_cpu(ql_iscsi_stats->tx_tmf_cmd_pdus); 1824b3a271a9SManish Rangankar stats->login_pdus = le32_to_cpu(ql_iscsi_stats->tx_login_cmd_pdus); 1825b3a271a9SManish Rangankar stats->text_pdus = le32_to_cpu(ql_iscsi_stats->tx_text_cmd_pdus); 1826b3a271a9SManish Rangankar stats->dataout_pdus = le32_to_cpu(ql_iscsi_stats->tx_scsi_write_pdus); 1827b3a271a9SManish Rangankar stats->logout_pdus = le32_to_cpu(ql_iscsi_stats->tx_logout_cmd_pdus); 1828b3a271a9SManish Rangankar stats->snack_pdus = le32_to_cpu(ql_iscsi_stats->tx_snack_req_pdus); 1829b3a271a9SManish Rangankar /* recv pdus */ 1830b3a271a9SManish Rangankar stats->noprx_pdus = le32_to_cpu(ql_iscsi_stats->rx_nopin_pdus); 1831b3a271a9SManish Rangankar stats->scsirsp_pdus = le32_to_cpu(ql_iscsi_stats->rx_scsi_resp_pdus); 1832b3a271a9SManish Rangankar stats->tmfrsp_pdus = le32_to_cpu(ql_iscsi_stats->rx_tmf_resp_pdus); 1833b3a271a9SManish Rangankar stats->textrsp_pdus = le32_to_cpu(ql_iscsi_stats->rx_text_resp_pdus); 1834b3a271a9SManish Rangankar stats->datain_pdus = le32_to_cpu(ql_iscsi_stats->rx_scsi_read_pdus); 1835b3a271a9SManish Rangankar stats->logoutrsp_pdus = 1836b3a271a9SManish Rangankar le32_to_cpu(ql_iscsi_stats->rx_logout_resp_pdus); 1837b3a271a9SManish Rangankar stats->r2t_pdus = le32_to_cpu(ql_iscsi_stats->rx_r2t_pdus); 1838b3a271a9SManish Rangankar stats->async_pdus = le32_to_cpu(ql_iscsi_stats->rx_async_pdus); 1839b3a271a9SManish Rangankar stats->rjt_pdus = le32_to_cpu(ql_iscsi_stats->rx_reject_pdus); 1840b3a271a9SManish Rangankar 1841b3a271a9SManish Rangankar free_stats: 1842b3a271a9SManish Rangankar dma_free_coherent(&ha->pdev->dev, stats_size, ql_iscsi_stats, 1843b3a271a9SManish Rangankar iscsi_stats_dma); 1844b3a271a9SManish Rangankar exit_get_stats: 1845b3a271a9SManish Rangankar return; 1846b3a271a9SManish Rangankar } 1847b3a271a9SManish Rangankar 18485c656af7SMike Christie static enum blk_eh_timer_return qla4xxx_eh_cmd_timed_out(struct scsi_cmnd *sc) 18495c656af7SMike Christie { 18505c656af7SMike Christie struct iscsi_cls_session *session; 1851b3a271a9SManish Rangankar struct iscsi_session *sess; 1852b3a271a9SManish Rangankar unsigned long flags; 1853b3a271a9SManish Rangankar enum blk_eh_timer_return ret = BLK_EH_NOT_HANDLED; 18545c656af7SMike Christie 18555c656af7SMike Christie session = starget_to_session(scsi_target(sc->device)); 1856b3a271a9SManish Rangankar sess = session->dd_data; 18575c656af7SMike Christie 1858b3a271a9SManish Rangankar spin_lock_irqsave(&session->lock, flags); 1859b3a271a9SManish Rangankar if (session->state == ISCSI_SESSION_FAILED) 1860b3a271a9SManish Rangankar ret = BLK_EH_RESET_TIMER; 1861b3a271a9SManish Rangankar spin_unlock_irqrestore(&session->lock, flags); 18625c656af7SMike Christie 1863b3a271a9SManish Rangankar return ret; 1864568d303bSMike Christie } 1865afaf5a2dSDavid Somayajulu 18663254dbe9SVikas Chaudhary static void qla4xxx_set_port_speed(struct Scsi_Host *shost) 18673254dbe9SVikas Chaudhary { 18683254dbe9SVikas Chaudhary struct scsi_qla_host *ha = to_qla_host(shost); 1869e16d166eSVikas Chaudhary struct iscsi_cls_host *ihost = shost->shost_data; 18703254dbe9SVikas Chaudhary uint32_t speed = ISCSI_PORT_SPEED_UNKNOWN; 18713254dbe9SVikas Chaudhary 18723254dbe9SVikas Chaudhary qla4xxx_get_firmware_state(ha); 18733254dbe9SVikas Chaudhary 18743254dbe9SVikas Chaudhary switch (ha->addl_fw_state & 0x0F00) { 18753254dbe9SVikas Chaudhary case FW_ADDSTATE_LINK_SPEED_10MBPS: 18763254dbe9SVikas Chaudhary speed = ISCSI_PORT_SPEED_10MBPS; 18773254dbe9SVikas Chaudhary break; 18783254dbe9SVikas Chaudhary case FW_ADDSTATE_LINK_SPEED_100MBPS: 18793254dbe9SVikas Chaudhary speed = ISCSI_PORT_SPEED_100MBPS; 18803254dbe9SVikas Chaudhary break; 18813254dbe9SVikas Chaudhary case FW_ADDSTATE_LINK_SPEED_1GBPS: 18823254dbe9SVikas Chaudhary speed = ISCSI_PORT_SPEED_1GBPS; 18833254dbe9SVikas Chaudhary break; 18843254dbe9SVikas Chaudhary case FW_ADDSTATE_LINK_SPEED_10GBPS: 18853254dbe9SVikas Chaudhary speed = ISCSI_PORT_SPEED_10GBPS; 18863254dbe9SVikas Chaudhary break; 18873254dbe9SVikas Chaudhary } 18883254dbe9SVikas Chaudhary ihost->port_speed = speed; 18893254dbe9SVikas Chaudhary } 18903254dbe9SVikas Chaudhary 18913254dbe9SVikas Chaudhary static void qla4xxx_set_port_state(struct Scsi_Host *shost) 18923254dbe9SVikas Chaudhary { 18933254dbe9SVikas Chaudhary struct scsi_qla_host *ha = to_qla_host(shost); 1894e16d166eSVikas Chaudhary struct iscsi_cls_host *ihost = shost->shost_data; 18953254dbe9SVikas Chaudhary uint32_t state = ISCSI_PORT_STATE_DOWN; 18963254dbe9SVikas Chaudhary 18973254dbe9SVikas Chaudhary if (test_bit(AF_LINK_UP, &ha->flags)) 18983254dbe9SVikas Chaudhary state = ISCSI_PORT_STATE_UP; 18993254dbe9SVikas Chaudhary 19003254dbe9SVikas Chaudhary ihost->port_state = state; 19013254dbe9SVikas Chaudhary } 19023254dbe9SVikas Chaudhary 1903aa1e93a2SMike Christie static int qla4xxx_host_get_param(struct Scsi_Host *shost, 1904aa1e93a2SMike Christie enum iscsi_host_param param, char *buf) 1905aa1e93a2SMike Christie { 1906aa1e93a2SMike Christie struct scsi_qla_host *ha = to_qla_host(shost); 1907aa1e93a2SMike Christie int len; 1908aa1e93a2SMike Christie 1909aa1e93a2SMike Christie switch (param) { 1910aa1e93a2SMike Christie case ISCSI_HOST_PARAM_HWADDRESS: 19117ffc49a6SMichael Chan len = sysfs_format_mac(buf, ha->my_mac, MAC_ADDR_LEN); 1912aa1e93a2SMike Christie break; 191322236961SMike Christie case ISCSI_HOST_PARAM_IPADDRESS: 19142bab08fcSVikas Chaudhary len = sprintf(buf, "%pI4\n", &ha->ip_config.ip_address); 191522236961SMike Christie break; 19168ad5781aSMike Christie case ISCSI_HOST_PARAM_INITIATOR_NAME: 191722236961SMike Christie len = sprintf(buf, "%s\n", ha->name_string); 19188ad5781aSMike Christie break; 19193254dbe9SVikas Chaudhary case ISCSI_HOST_PARAM_PORT_STATE: 19203254dbe9SVikas Chaudhary qla4xxx_set_port_state(shost); 19213254dbe9SVikas Chaudhary len = sprintf(buf, "%s\n", iscsi_get_port_state_name(shost)); 19223254dbe9SVikas Chaudhary break; 19233254dbe9SVikas Chaudhary case ISCSI_HOST_PARAM_PORT_SPEED: 19243254dbe9SVikas Chaudhary qla4xxx_set_port_speed(shost); 19253254dbe9SVikas Chaudhary len = sprintf(buf, "%s\n", iscsi_get_port_speed_name(shost)); 19263254dbe9SVikas Chaudhary break; 1927aa1e93a2SMike Christie default: 1928aa1e93a2SMike Christie return -ENOSYS; 1929aa1e93a2SMike Christie } 1930aa1e93a2SMike Christie 1931aa1e93a2SMike Christie return len; 1932aa1e93a2SMike Christie } 1933aa1e93a2SMike Christie 1934ed1086e0SVikas Chaudhary static void qla4xxx_create_ipv4_iface(struct scsi_qla_host *ha) 1935ed1086e0SVikas Chaudhary { 1936ed1086e0SVikas Chaudhary if (ha->iface_ipv4) 1937ed1086e0SVikas Chaudhary return; 1938ed1086e0SVikas Chaudhary 1939ed1086e0SVikas Chaudhary /* IPv4 */ 1940ed1086e0SVikas Chaudhary ha->iface_ipv4 = iscsi_create_iface(ha->host, 1941ed1086e0SVikas Chaudhary &qla4xxx_iscsi_transport, 1942ed1086e0SVikas Chaudhary ISCSI_IFACE_TYPE_IPV4, 0, 0); 1943ed1086e0SVikas Chaudhary if (!ha->iface_ipv4) 1944ed1086e0SVikas Chaudhary ql4_printk(KERN_ERR, ha, "Could not create IPv4 iSCSI " 1945ed1086e0SVikas Chaudhary "iface0.\n"); 1946ed1086e0SVikas Chaudhary } 1947ed1086e0SVikas Chaudhary 1948ed1086e0SVikas Chaudhary static void qla4xxx_create_ipv6_iface(struct scsi_qla_host *ha) 1949ed1086e0SVikas Chaudhary { 1950ed1086e0SVikas Chaudhary if (!ha->iface_ipv6_0) 1951ed1086e0SVikas Chaudhary /* IPv6 iface-0 */ 1952ed1086e0SVikas Chaudhary ha->iface_ipv6_0 = iscsi_create_iface(ha->host, 1953ed1086e0SVikas Chaudhary &qla4xxx_iscsi_transport, 1954ed1086e0SVikas Chaudhary ISCSI_IFACE_TYPE_IPV6, 0, 1955ed1086e0SVikas Chaudhary 0); 1956ed1086e0SVikas Chaudhary if (!ha->iface_ipv6_0) 1957ed1086e0SVikas Chaudhary ql4_printk(KERN_ERR, ha, "Could not create IPv6 iSCSI " 1958ed1086e0SVikas Chaudhary "iface0.\n"); 1959ed1086e0SVikas Chaudhary 1960ed1086e0SVikas Chaudhary if (!ha->iface_ipv6_1) 1961ed1086e0SVikas Chaudhary /* IPv6 iface-1 */ 1962ed1086e0SVikas Chaudhary ha->iface_ipv6_1 = iscsi_create_iface(ha->host, 1963ed1086e0SVikas Chaudhary &qla4xxx_iscsi_transport, 1964ed1086e0SVikas Chaudhary ISCSI_IFACE_TYPE_IPV6, 1, 1965ed1086e0SVikas Chaudhary 0); 1966ed1086e0SVikas Chaudhary if (!ha->iface_ipv6_1) 1967ed1086e0SVikas Chaudhary ql4_printk(KERN_ERR, ha, "Could not create IPv6 iSCSI " 1968ed1086e0SVikas Chaudhary "iface1.\n"); 1969ed1086e0SVikas Chaudhary } 1970ed1086e0SVikas Chaudhary 1971ed1086e0SVikas Chaudhary static void qla4xxx_create_ifaces(struct scsi_qla_host *ha) 1972ed1086e0SVikas Chaudhary { 1973ed1086e0SVikas Chaudhary if (ha->ip_config.ipv4_options & IPOPT_IPV4_PROTOCOL_ENABLE) 1974ed1086e0SVikas Chaudhary qla4xxx_create_ipv4_iface(ha); 1975ed1086e0SVikas Chaudhary 1976ed1086e0SVikas Chaudhary if (ha->ip_config.ipv6_options & IPV6_OPT_IPV6_PROTOCOL_ENABLE) 1977ed1086e0SVikas Chaudhary qla4xxx_create_ipv6_iface(ha); 1978ed1086e0SVikas Chaudhary } 1979ed1086e0SVikas Chaudhary 1980ed1086e0SVikas Chaudhary static void qla4xxx_destroy_ipv4_iface(struct scsi_qla_host *ha) 1981ed1086e0SVikas Chaudhary { 1982ed1086e0SVikas Chaudhary if (ha->iface_ipv4) { 1983ed1086e0SVikas Chaudhary iscsi_destroy_iface(ha->iface_ipv4); 1984ed1086e0SVikas Chaudhary ha->iface_ipv4 = NULL; 1985ed1086e0SVikas Chaudhary } 1986ed1086e0SVikas Chaudhary } 1987ed1086e0SVikas Chaudhary 1988ed1086e0SVikas Chaudhary static void qla4xxx_destroy_ipv6_iface(struct scsi_qla_host *ha) 1989ed1086e0SVikas Chaudhary { 1990ed1086e0SVikas Chaudhary if (ha->iface_ipv6_0) { 1991ed1086e0SVikas Chaudhary iscsi_destroy_iface(ha->iface_ipv6_0); 1992ed1086e0SVikas Chaudhary ha->iface_ipv6_0 = NULL; 1993ed1086e0SVikas Chaudhary } 1994ed1086e0SVikas Chaudhary if (ha->iface_ipv6_1) { 1995ed1086e0SVikas Chaudhary iscsi_destroy_iface(ha->iface_ipv6_1); 1996ed1086e0SVikas Chaudhary ha->iface_ipv6_1 = NULL; 1997ed1086e0SVikas Chaudhary } 1998ed1086e0SVikas Chaudhary } 1999ed1086e0SVikas Chaudhary 2000ed1086e0SVikas Chaudhary static void qla4xxx_destroy_ifaces(struct scsi_qla_host *ha) 2001ed1086e0SVikas Chaudhary { 2002ed1086e0SVikas Chaudhary qla4xxx_destroy_ipv4_iface(ha); 2003ed1086e0SVikas Chaudhary qla4xxx_destroy_ipv6_iface(ha); 2004ed1086e0SVikas Chaudhary } 2005ed1086e0SVikas Chaudhary 2006d00efe3fSMike Christie static void qla4xxx_set_ipv6(struct scsi_qla_host *ha, 2007d00efe3fSMike Christie struct iscsi_iface_param_info *iface_param, 2008d00efe3fSMike Christie struct addr_ctrl_blk *init_fw_cb) 2009d00efe3fSMike Christie { 2010d00efe3fSMike Christie /* 2011d00efe3fSMike Christie * iface_num 0 is valid for IPv6 Addr, linklocal, router, autocfg. 2012d00efe3fSMike Christie * iface_num 1 is valid only for IPv6 Addr. 2013d00efe3fSMike Christie */ 2014d00efe3fSMike Christie switch (iface_param->param) { 2015d00efe3fSMike Christie case ISCSI_NET_PARAM_IPV6_ADDR: 2016d00efe3fSMike Christie if (iface_param->iface_num & 0x1) 2017d00efe3fSMike Christie /* IPv6 Addr 1 */ 2018d00efe3fSMike Christie memcpy(init_fw_cb->ipv6_addr1, iface_param->value, 2019d00efe3fSMike Christie sizeof(init_fw_cb->ipv6_addr1)); 2020d00efe3fSMike Christie else 2021d00efe3fSMike Christie /* IPv6 Addr 0 */ 2022d00efe3fSMike Christie memcpy(init_fw_cb->ipv6_addr0, iface_param->value, 2023d00efe3fSMike Christie sizeof(init_fw_cb->ipv6_addr0)); 2024d00efe3fSMike Christie break; 2025d00efe3fSMike Christie case ISCSI_NET_PARAM_IPV6_LINKLOCAL: 2026d00efe3fSMike Christie if (iface_param->iface_num & 0x1) 2027d00efe3fSMike Christie break; 2028d00efe3fSMike Christie memcpy(init_fw_cb->ipv6_if_id, &iface_param->value[8], 2029d00efe3fSMike Christie sizeof(init_fw_cb->ipv6_if_id)); 2030d00efe3fSMike Christie break; 2031d00efe3fSMike Christie case ISCSI_NET_PARAM_IPV6_ROUTER: 2032d00efe3fSMike Christie if (iface_param->iface_num & 0x1) 2033d00efe3fSMike Christie break; 2034d00efe3fSMike Christie memcpy(init_fw_cb->ipv6_dflt_rtr_addr, iface_param->value, 2035d00efe3fSMike Christie sizeof(init_fw_cb->ipv6_dflt_rtr_addr)); 2036d00efe3fSMike Christie break; 2037d00efe3fSMike Christie case ISCSI_NET_PARAM_IPV6_ADDR_AUTOCFG: 2038d00efe3fSMike Christie /* Autocfg applies to even interface */ 2039d00efe3fSMike Christie if (iface_param->iface_num & 0x1) 2040d00efe3fSMike Christie break; 2041d00efe3fSMike Christie 2042d00efe3fSMike Christie if (iface_param->value[0] == ISCSI_IPV6_AUTOCFG_DISABLE) 2043d00efe3fSMike Christie init_fw_cb->ipv6_addtl_opts &= 2044d00efe3fSMike Christie cpu_to_le16( 2045d00efe3fSMike Christie ~IPV6_ADDOPT_NEIGHBOR_DISCOVERY_ADDR_ENABLE); 2046d00efe3fSMike Christie else if (iface_param->value[0] == ISCSI_IPV6_AUTOCFG_ND_ENABLE) 2047d00efe3fSMike Christie init_fw_cb->ipv6_addtl_opts |= 2048d00efe3fSMike Christie cpu_to_le16( 2049d00efe3fSMike Christie IPV6_ADDOPT_NEIGHBOR_DISCOVERY_ADDR_ENABLE); 2050d00efe3fSMike Christie else 2051f8e93412SHarish Zunjarrao ql4_printk(KERN_ERR, ha, 2052f8e93412SHarish Zunjarrao "Invalid autocfg setting for IPv6 addr\n"); 2053d00efe3fSMike Christie break; 2054d00efe3fSMike Christie case ISCSI_NET_PARAM_IPV6_LINKLOCAL_AUTOCFG: 2055d00efe3fSMike Christie /* Autocfg applies to even interface */ 2056d00efe3fSMike Christie if (iface_param->iface_num & 0x1) 2057d00efe3fSMike Christie break; 2058d00efe3fSMike Christie 2059d00efe3fSMike Christie if (iface_param->value[0] == 2060d00efe3fSMike Christie ISCSI_IPV6_LINKLOCAL_AUTOCFG_ENABLE) 2061d00efe3fSMike Christie init_fw_cb->ipv6_addtl_opts |= cpu_to_le16( 2062d00efe3fSMike Christie IPV6_ADDOPT_AUTOCONFIG_LINK_LOCAL_ADDR); 2063d00efe3fSMike Christie else if (iface_param->value[0] == 2064d00efe3fSMike Christie ISCSI_IPV6_LINKLOCAL_AUTOCFG_DISABLE) 2065d00efe3fSMike Christie init_fw_cb->ipv6_addtl_opts &= cpu_to_le16( 2066d00efe3fSMike Christie ~IPV6_ADDOPT_AUTOCONFIG_LINK_LOCAL_ADDR); 2067d00efe3fSMike Christie else 2068f8e93412SHarish Zunjarrao ql4_printk(KERN_ERR, ha, 2069f8e93412SHarish Zunjarrao "Invalid autocfg setting for IPv6 linklocal addr\n"); 2070d00efe3fSMike Christie break; 2071d00efe3fSMike Christie case ISCSI_NET_PARAM_IPV6_ROUTER_AUTOCFG: 2072d00efe3fSMike Christie /* Autocfg applies to even interface */ 2073d00efe3fSMike Christie if (iface_param->iface_num & 0x1) 2074d00efe3fSMike Christie break; 2075d00efe3fSMike Christie 2076d00efe3fSMike Christie if (iface_param->value[0] == ISCSI_IPV6_ROUTER_AUTOCFG_ENABLE) 2077d00efe3fSMike Christie memset(init_fw_cb->ipv6_dflt_rtr_addr, 0, 2078d00efe3fSMike Christie sizeof(init_fw_cb->ipv6_dflt_rtr_addr)); 2079d00efe3fSMike Christie break; 2080d00efe3fSMike Christie case ISCSI_NET_PARAM_IFACE_ENABLE: 2081ed1086e0SVikas Chaudhary if (iface_param->value[0] == ISCSI_IFACE_ENABLE) { 2082d00efe3fSMike Christie init_fw_cb->ipv6_opts |= 2083d00efe3fSMike Christie cpu_to_le16(IPV6_OPT_IPV6_PROTOCOL_ENABLE); 2084ed1086e0SVikas Chaudhary qla4xxx_create_ipv6_iface(ha); 2085ed1086e0SVikas Chaudhary } else { 2086d00efe3fSMike Christie init_fw_cb->ipv6_opts &= 2087d00efe3fSMike Christie cpu_to_le16(~IPV6_OPT_IPV6_PROTOCOL_ENABLE & 2088d00efe3fSMike Christie 0xFFFF); 2089ed1086e0SVikas Chaudhary qla4xxx_destroy_ipv6_iface(ha); 2090ed1086e0SVikas Chaudhary } 2091d00efe3fSMike Christie break; 20922d63673bSMike Christie case ISCSI_NET_PARAM_VLAN_TAG: 2093d00efe3fSMike Christie if (iface_param->len != sizeof(init_fw_cb->ipv6_vlan_tag)) 2094d00efe3fSMike Christie break; 20956ac73e8cSVikas Chaudhary init_fw_cb->ipv6_vlan_tag = 20966ac73e8cSVikas Chaudhary cpu_to_be16(*(uint16_t *)iface_param->value); 20976ac73e8cSVikas Chaudhary break; 20986ac73e8cSVikas Chaudhary case ISCSI_NET_PARAM_VLAN_ENABLED: 20996ac73e8cSVikas Chaudhary if (iface_param->value[0] == ISCSI_VLAN_ENABLE) 21006ac73e8cSVikas Chaudhary init_fw_cb->ipv6_opts |= 21016ac73e8cSVikas Chaudhary cpu_to_le16(IPV6_OPT_VLAN_TAGGING_ENABLE); 21026ac73e8cSVikas Chaudhary else 21036ac73e8cSVikas Chaudhary init_fw_cb->ipv6_opts &= 21046ac73e8cSVikas Chaudhary cpu_to_le16(~IPV6_OPT_VLAN_TAGGING_ENABLE); 2105d00efe3fSMike Christie break; 2106943c157bSVikas Chaudhary case ISCSI_NET_PARAM_MTU: 2107943c157bSVikas Chaudhary init_fw_cb->eth_mtu_size = 2108943c157bSVikas Chaudhary cpu_to_le16(*(uint16_t *)iface_param->value); 2109943c157bSVikas Chaudhary break; 21102ada7fc5SVikas Chaudhary case ISCSI_NET_PARAM_PORT: 21112ada7fc5SVikas Chaudhary /* Autocfg applies to even interface */ 21122ada7fc5SVikas Chaudhary if (iface_param->iface_num & 0x1) 21132ada7fc5SVikas Chaudhary break; 21142ada7fc5SVikas Chaudhary 21152ada7fc5SVikas Chaudhary init_fw_cb->ipv6_port = 21162ada7fc5SVikas Chaudhary cpu_to_le16(*(uint16_t *)iface_param->value); 21172ada7fc5SVikas Chaudhary break; 2118f8e93412SHarish Zunjarrao case ISCSI_NET_PARAM_DELAYED_ACK_EN: 2119f8e93412SHarish Zunjarrao if (iface_param->iface_num & 0x1) 2120f8e93412SHarish Zunjarrao break; 2121f8e93412SHarish Zunjarrao if (iface_param->value[0] == ISCSI_NET_PARAM_DISABLE) 2122f8e93412SHarish Zunjarrao init_fw_cb->ipv6_tcp_opts |= 2123f8e93412SHarish Zunjarrao cpu_to_le16(IPV6_TCPOPT_DELAYED_ACK_DISABLE); 2124f8e93412SHarish Zunjarrao else 2125f8e93412SHarish Zunjarrao init_fw_cb->ipv6_tcp_opts &= 21268f10872aSVikas Chaudhary cpu_to_le16(~IPV6_TCPOPT_DELAYED_ACK_DISABLE & 21278f10872aSVikas Chaudhary 0xFFFF); 2128f8e93412SHarish Zunjarrao break; 2129f8e93412SHarish Zunjarrao case ISCSI_NET_PARAM_TCP_NAGLE_DISABLE: 2130f8e93412SHarish Zunjarrao if (iface_param->iface_num & 0x1) 2131f8e93412SHarish Zunjarrao break; 2132f8e93412SHarish Zunjarrao if (iface_param->value[0] == ISCSI_NET_PARAM_DISABLE) 2133f8e93412SHarish Zunjarrao init_fw_cb->ipv6_tcp_opts |= 2134f8e93412SHarish Zunjarrao cpu_to_le16(IPV6_TCPOPT_NAGLE_ALGO_DISABLE); 2135f8e93412SHarish Zunjarrao else 2136f8e93412SHarish Zunjarrao init_fw_cb->ipv6_tcp_opts &= 2137f8e93412SHarish Zunjarrao cpu_to_le16(~IPV6_TCPOPT_NAGLE_ALGO_DISABLE); 2138f8e93412SHarish Zunjarrao break; 2139f8e93412SHarish Zunjarrao case ISCSI_NET_PARAM_TCP_WSF_DISABLE: 2140f8e93412SHarish Zunjarrao if (iface_param->iface_num & 0x1) 2141f8e93412SHarish Zunjarrao break; 2142f8e93412SHarish Zunjarrao if (iface_param->value[0] == ISCSI_NET_PARAM_DISABLE) 2143f8e93412SHarish Zunjarrao init_fw_cb->ipv6_tcp_opts |= 2144f8e93412SHarish Zunjarrao cpu_to_le16(IPV6_TCPOPT_WINDOW_SCALE_DISABLE); 2145f8e93412SHarish Zunjarrao else 2146f8e93412SHarish Zunjarrao init_fw_cb->ipv6_tcp_opts &= 2147f8e93412SHarish Zunjarrao cpu_to_le16(~IPV6_TCPOPT_WINDOW_SCALE_DISABLE); 2148f8e93412SHarish Zunjarrao break; 2149f8e93412SHarish Zunjarrao case ISCSI_NET_PARAM_TCP_WSF: 2150f8e93412SHarish Zunjarrao if (iface_param->iface_num & 0x1) 2151f8e93412SHarish Zunjarrao break; 2152f8e93412SHarish Zunjarrao init_fw_cb->ipv6_tcp_wsf = iface_param->value[0]; 2153f8e93412SHarish Zunjarrao break; 2154f8e93412SHarish Zunjarrao case ISCSI_NET_PARAM_TCP_TIMER_SCALE: 2155f8e93412SHarish Zunjarrao if (iface_param->iface_num & 0x1) 2156f8e93412SHarish Zunjarrao break; 2157f8e93412SHarish Zunjarrao init_fw_cb->ipv6_tcp_opts &= 2158f8e93412SHarish Zunjarrao cpu_to_le16(~IPV6_TCPOPT_TIMER_SCALE); 2159f8e93412SHarish Zunjarrao init_fw_cb->ipv6_tcp_opts |= 2160f8e93412SHarish Zunjarrao cpu_to_le16((iface_param->value[0] << 1) & 2161f8e93412SHarish Zunjarrao IPV6_TCPOPT_TIMER_SCALE); 2162f8e93412SHarish Zunjarrao break; 2163f8e93412SHarish Zunjarrao case ISCSI_NET_PARAM_TCP_TIMESTAMP_EN: 2164f8e93412SHarish Zunjarrao if (iface_param->iface_num & 0x1) 2165f8e93412SHarish Zunjarrao break; 2166f8e93412SHarish Zunjarrao if (iface_param->value[0] == ISCSI_NET_PARAM_ENABLE) 2167f8e93412SHarish Zunjarrao init_fw_cb->ipv6_tcp_opts |= 2168f8e93412SHarish Zunjarrao cpu_to_le16(IPV6_TCPOPT_TIMESTAMP_EN); 2169f8e93412SHarish Zunjarrao else 2170f8e93412SHarish Zunjarrao init_fw_cb->ipv6_tcp_opts &= 2171f8e93412SHarish Zunjarrao cpu_to_le16(~IPV6_TCPOPT_TIMESTAMP_EN); 2172f8e93412SHarish Zunjarrao break; 2173f8e93412SHarish Zunjarrao case ISCSI_NET_PARAM_IPV6_GRAT_NEIGHBOR_ADV_EN: 2174f8e93412SHarish Zunjarrao if (iface_param->iface_num & 0x1) 2175f8e93412SHarish Zunjarrao break; 2176f8e93412SHarish Zunjarrao if (iface_param->value[0] == ISCSI_NET_PARAM_ENABLE) 2177f8e93412SHarish Zunjarrao init_fw_cb->ipv6_opts |= 2178f8e93412SHarish Zunjarrao cpu_to_le16(IPV6_OPT_GRAT_NEIGHBOR_ADV_EN); 2179f8e93412SHarish Zunjarrao else 2180f8e93412SHarish Zunjarrao init_fw_cb->ipv6_opts &= 2181f8e93412SHarish Zunjarrao cpu_to_le16(~IPV6_OPT_GRAT_NEIGHBOR_ADV_EN); 2182f8e93412SHarish Zunjarrao break; 2183f8e93412SHarish Zunjarrao case ISCSI_NET_PARAM_REDIRECT_EN: 2184f8e93412SHarish Zunjarrao if (iface_param->iface_num & 0x1) 2185f8e93412SHarish Zunjarrao break; 2186f8e93412SHarish Zunjarrao if (iface_param->value[0] == ISCSI_NET_PARAM_ENABLE) 2187f8e93412SHarish Zunjarrao init_fw_cb->ipv6_opts |= 2188f8e93412SHarish Zunjarrao cpu_to_le16(IPV6_OPT_REDIRECT_EN); 2189f8e93412SHarish Zunjarrao else 2190f8e93412SHarish Zunjarrao init_fw_cb->ipv6_opts &= 2191f8e93412SHarish Zunjarrao cpu_to_le16(~IPV6_OPT_REDIRECT_EN); 2192f8e93412SHarish Zunjarrao break; 2193f8e93412SHarish Zunjarrao case ISCSI_NET_PARAM_IPV6_MLD_EN: 2194f8e93412SHarish Zunjarrao if (iface_param->iface_num & 0x1) 2195f8e93412SHarish Zunjarrao break; 2196f8e93412SHarish Zunjarrao if (iface_param->value[0] == ISCSI_NET_PARAM_ENABLE) 2197f8e93412SHarish Zunjarrao init_fw_cb->ipv6_addtl_opts |= 2198f8e93412SHarish Zunjarrao cpu_to_le16(IPV6_ADDOPT_MLD_EN); 2199f8e93412SHarish Zunjarrao else 2200f8e93412SHarish Zunjarrao init_fw_cb->ipv6_addtl_opts &= 2201f8e93412SHarish Zunjarrao cpu_to_le16(~IPV6_ADDOPT_MLD_EN); 2202f8e93412SHarish Zunjarrao break; 2203f8e93412SHarish Zunjarrao case ISCSI_NET_PARAM_IPV6_FLOW_LABEL: 2204f8e93412SHarish Zunjarrao if (iface_param->iface_num & 0x1) 2205f8e93412SHarish Zunjarrao break; 2206f8e93412SHarish Zunjarrao init_fw_cb->ipv6_flow_lbl = 2207f8e93412SHarish Zunjarrao cpu_to_le16(*(uint16_t *)iface_param->value); 2208f8e93412SHarish Zunjarrao break; 2209f8e93412SHarish Zunjarrao case ISCSI_NET_PARAM_IPV6_TRAFFIC_CLASS: 2210f8e93412SHarish Zunjarrao if (iface_param->iface_num & 0x1) 2211f8e93412SHarish Zunjarrao break; 2212f8e93412SHarish Zunjarrao init_fw_cb->ipv6_traffic_class = iface_param->value[0]; 2213f8e93412SHarish Zunjarrao break; 2214f8e93412SHarish Zunjarrao case ISCSI_NET_PARAM_IPV6_HOP_LIMIT: 2215f8e93412SHarish Zunjarrao if (iface_param->iface_num & 0x1) 2216f8e93412SHarish Zunjarrao break; 2217f8e93412SHarish Zunjarrao init_fw_cb->ipv6_hop_limit = iface_param->value[0]; 2218f8e93412SHarish Zunjarrao break; 2219f8e93412SHarish Zunjarrao case ISCSI_NET_PARAM_IPV6_ND_REACHABLE_TMO: 2220f8e93412SHarish Zunjarrao if (iface_param->iface_num & 0x1) 2221f8e93412SHarish Zunjarrao break; 2222f8e93412SHarish Zunjarrao init_fw_cb->ipv6_nd_reach_time = 2223f8e93412SHarish Zunjarrao cpu_to_le32(*(uint32_t *)iface_param->value); 2224f8e93412SHarish Zunjarrao break; 2225f8e93412SHarish Zunjarrao case ISCSI_NET_PARAM_IPV6_ND_REXMIT_TIME: 2226f8e93412SHarish Zunjarrao if (iface_param->iface_num & 0x1) 2227f8e93412SHarish Zunjarrao break; 2228f8e93412SHarish Zunjarrao init_fw_cb->ipv6_nd_rexmit_timer = 2229f8e93412SHarish Zunjarrao cpu_to_le32(*(uint32_t *)iface_param->value); 2230f8e93412SHarish Zunjarrao break; 2231f8e93412SHarish Zunjarrao case ISCSI_NET_PARAM_IPV6_ND_STALE_TMO: 2232f8e93412SHarish Zunjarrao if (iface_param->iface_num & 0x1) 2233f8e93412SHarish Zunjarrao break; 2234f8e93412SHarish Zunjarrao init_fw_cb->ipv6_nd_stale_timeout = 2235f8e93412SHarish Zunjarrao cpu_to_le32(*(uint32_t *)iface_param->value); 2236f8e93412SHarish Zunjarrao break; 2237f8e93412SHarish Zunjarrao case ISCSI_NET_PARAM_IPV6_DUP_ADDR_DETECT_CNT: 2238f8e93412SHarish Zunjarrao if (iface_param->iface_num & 0x1) 2239f8e93412SHarish Zunjarrao break; 2240f8e93412SHarish Zunjarrao init_fw_cb->ipv6_dup_addr_detect_count = iface_param->value[0]; 2241f8e93412SHarish Zunjarrao break; 2242f8e93412SHarish Zunjarrao case ISCSI_NET_PARAM_IPV6_RTR_ADV_LINK_MTU: 2243f8e93412SHarish Zunjarrao if (iface_param->iface_num & 0x1) 2244f8e93412SHarish Zunjarrao break; 2245f8e93412SHarish Zunjarrao init_fw_cb->ipv6_gw_advrt_mtu = 2246f8e93412SHarish Zunjarrao cpu_to_le32(*(uint32_t *)iface_param->value); 2247f8e93412SHarish Zunjarrao break; 2248d00efe3fSMike Christie default: 2249d00efe3fSMike Christie ql4_printk(KERN_ERR, ha, "Unknown IPv6 param = %d\n", 2250d00efe3fSMike Christie iface_param->param); 2251d00efe3fSMike Christie break; 2252d00efe3fSMike Christie } 2253d00efe3fSMike Christie } 2254d00efe3fSMike Christie 2255d00efe3fSMike Christie static void qla4xxx_set_ipv4(struct scsi_qla_host *ha, 2256d00efe3fSMike Christie struct iscsi_iface_param_info *iface_param, 2257d00efe3fSMike Christie struct addr_ctrl_blk *init_fw_cb) 2258d00efe3fSMike Christie { 2259d00efe3fSMike Christie switch (iface_param->param) { 2260d00efe3fSMike Christie case ISCSI_NET_PARAM_IPV4_ADDR: 2261d00efe3fSMike Christie memcpy(init_fw_cb->ipv4_addr, iface_param->value, 2262d00efe3fSMike Christie sizeof(init_fw_cb->ipv4_addr)); 2263d00efe3fSMike Christie break; 2264d00efe3fSMike Christie case ISCSI_NET_PARAM_IPV4_SUBNET: 2265d00efe3fSMike Christie memcpy(init_fw_cb->ipv4_subnet, iface_param->value, 2266d00efe3fSMike Christie sizeof(init_fw_cb->ipv4_subnet)); 2267d00efe3fSMike Christie break; 2268d00efe3fSMike Christie case ISCSI_NET_PARAM_IPV4_GW: 2269d00efe3fSMike Christie memcpy(init_fw_cb->ipv4_gw_addr, iface_param->value, 2270d00efe3fSMike Christie sizeof(init_fw_cb->ipv4_gw_addr)); 2271d00efe3fSMike Christie break; 2272d00efe3fSMike Christie case ISCSI_NET_PARAM_IPV4_BOOTPROTO: 2273d00efe3fSMike Christie if (iface_param->value[0] == ISCSI_BOOTPROTO_DHCP) 2274d00efe3fSMike Christie init_fw_cb->ipv4_tcp_opts |= 2275d00efe3fSMike Christie cpu_to_le16(TCPOPT_DHCP_ENABLE); 2276d00efe3fSMike Christie else if (iface_param->value[0] == ISCSI_BOOTPROTO_STATIC) 2277d00efe3fSMike Christie init_fw_cb->ipv4_tcp_opts &= 2278d00efe3fSMike Christie cpu_to_le16(~TCPOPT_DHCP_ENABLE); 2279d00efe3fSMike Christie else 2280d00efe3fSMike Christie ql4_printk(KERN_ERR, ha, "Invalid IPv4 bootproto\n"); 2281d00efe3fSMike Christie break; 2282d00efe3fSMike Christie case ISCSI_NET_PARAM_IFACE_ENABLE: 2283ed1086e0SVikas Chaudhary if (iface_param->value[0] == ISCSI_IFACE_ENABLE) { 2284d00efe3fSMike Christie init_fw_cb->ipv4_ip_opts |= 22852bab08fcSVikas Chaudhary cpu_to_le16(IPOPT_IPV4_PROTOCOL_ENABLE); 2286ed1086e0SVikas Chaudhary qla4xxx_create_ipv4_iface(ha); 2287ed1086e0SVikas Chaudhary } else { 2288d00efe3fSMike Christie init_fw_cb->ipv4_ip_opts &= 22892bab08fcSVikas Chaudhary cpu_to_le16(~IPOPT_IPV4_PROTOCOL_ENABLE & 2290d00efe3fSMike Christie 0xFFFF); 2291ed1086e0SVikas Chaudhary qla4xxx_destroy_ipv4_iface(ha); 2292ed1086e0SVikas Chaudhary } 2293d00efe3fSMike Christie break; 22942d63673bSMike Christie case ISCSI_NET_PARAM_VLAN_TAG: 2295d00efe3fSMike Christie if (iface_param->len != sizeof(init_fw_cb->ipv4_vlan_tag)) 2296d00efe3fSMike Christie break; 22976ac73e8cSVikas Chaudhary init_fw_cb->ipv4_vlan_tag = 22986ac73e8cSVikas Chaudhary cpu_to_be16(*(uint16_t *)iface_param->value); 22996ac73e8cSVikas Chaudhary break; 23006ac73e8cSVikas Chaudhary case ISCSI_NET_PARAM_VLAN_ENABLED: 23016ac73e8cSVikas Chaudhary if (iface_param->value[0] == ISCSI_VLAN_ENABLE) 23026ac73e8cSVikas Chaudhary init_fw_cb->ipv4_ip_opts |= 23036ac73e8cSVikas Chaudhary cpu_to_le16(IPOPT_VLAN_TAGGING_ENABLE); 23046ac73e8cSVikas Chaudhary else 23056ac73e8cSVikas Chaudhary init_fw_cb->ipv4_ip_opts &= 23066ac73e8cSVikas Chaudhary cpu_to_le16(~IPOPT_VLAN_TAGGING_ENABLE); 2307d00efe3fSMike Christie break; 2308943c157bSVikas Chaudhary case ISCSI_NET_PARAM_MTU: 2309943c157bSVikas Chaudhary init_fw_cb->eth_mtu_size = 2310943c157bSVikas Chaudhary cpu_to_le16(*(uint16_t *)iface_param->value); 2311943c157bSVikas Chaudhary break; 23122ada7fc5SVikas Chaudhary case ISCSI_NET_PARAM_PORT: 23132ada7fc5SVikas Chaudhary init_fw_cb->ipv4_port = 23142ada7fc5SVikas Chaudhary cpu_to_le16(*(uint16_t *)iface_param->value); 23152ada7fc5SVikas Chaudhary break; 2316f8e93412SHarish Zunjarrao case ISCSI_NET_PARAM_DELAYED_ACK_EN: 2317f8e93412SHarish Zunjarrao if (iface_param->iface_num & 0x1) 2318f8e93412SHarish Zunjarrao break; 2319f8e93412SHarish Zunjarrao if (iface_param->value[0] == ISCSI_NET_PARAM_DISABLE) 2320f8e93412SHarish Zunjarrao init_fw_cb->ipv4_tcp_opts |= 2321f8e93412SHarish Zunjarrao cpu_to_le16(TCPOPT_DELAYED_ACK_DISABLE); 2322f8e93412SHarish Zunjarrao else 2323f8e93412SHarish Zunjarrao init_fw_cb->ipv4_tcp_opts &= 23248f10872aSVikas Chaudhary cpu_to_le16(~TCPOPT_DELAYED_ACK_DISABLE & 23258f10872aSVikas Chaudhary 0xFFFF); 2326f8e93412SHarish Zunjarrao break; 2327f8e93412SHarish Zunjarrao case ISCSI_NET_PARAM_TCP_NAGLE_DISABLE: 2328f8e93412SHarish Zunjarrao if (iface_param->iface_num & 0x1) 2329f8e93412SHarish Zunjarrao break; 2330f8e93412SHarish Zunjarrao if (iface_param->value[0] == ISCSI_NET_PARAM_DISABLE) 2331f8e93412SHarish Zunjarrao init_fw_cb->ipv4_tcp_opts |= 2332f8e93412SHarish Zunjarrao cpu_to_le16(TCPOPT_NAGLE_ALGO_DISABLE); 2333f8e93412SHarish Zunjarrao else 2334f8e93412SHarish Zunjarrao init_fw_cb->ipv4_tcp_opts &= 2335f8e93412SHarish Zunjarrao cpu_to_le16(~TCPOPT_NAGLE_ALGO_DISABLE); 2336f8e93412SHarish Zunjarrao break; 2337f8e93412SHarish Zunjarrao case ISCSI_NET_PARAM_TCP_WSF_DISABLE: 2338f8e93412SHarish Zunjarrao if (iface_param->iface_num & 0x1) 2339f8e93412SHarish Zunjarrao break; 2340f8e93412SHarish Zunjarrao if (iface_param->value[0] == ISCSI_NET_PARAM_DISABLE) 2341f8e93412SHarish Zunjarrao init_fw_cb->ipv4_tcp_opts |= 2342f8e93412SHarish Zunjarrao cpu_to_le16(TCPOPT_WINDOW_SCALE_DISABLE); 2343f8e93412SHarish Zunjarrao else 2344f8e93412SHarish Zunjarrao init_fw_cb->ipv4_tcp_opts &= 2345f8e93412SHarish Zunjarrao cpu_to_le16(~TCPOPT_WINDOW_SCALE_DISABLE); 2346f8e93412SHarish Zunjarrao break; 2347f8e93412SHarish Zunjarrao case ISCSI_NET_PARAM_TCP_WSF: 2348f8e93412SHarish Zunjarrao if (iface_param->iface_num & 0x1) 2349f8e93412SHarish Zunjarrao break; 2350f8e93412SHarish Zunjarrao init_fw_cb->ipv4_tcp_wsf = iface_param->value[0]; 2351f8e93412SHarish Zunjarrao break; 2352f8e93412SHarish Zunjarrao case ISCSI_NET_PARAM_TCP_TIMER_SCALE: 2353f8e93412SHarish Zunjarrao if (iface_param->iface_num & 0x1) 2354f8e93412SHarish Zunjarrao break; 2355f8e93412SHarish Zunjarrao init_fw_cb->ipv4_tcp_opts &= cpu_to_le16(~TCPOPT_TIMER_SCALE); 2356f8e93412SHarish Zunjarrao init_fw_cb->ipv4_tcp_opts |= 2357f8e93412SHarish Zunjarrao cpu_to_le16((iface_param->value[0] << 1) & 2358f8e93412SHarish Zunjarrao TCPOPT_TIMER_SCALE); 2359f8e93412SHarish Zunjarrao break; 2360f8e93412SHarish Zunjarrao case ISCSI_NET_PARAM_TCP_TIMESTAMP_EN: 2361f8e93412SHarish Zunjarrao if (iface_param->iface_num & 0x1) 2362f8e93412SHarish Zunjarrao break; 2363f8e93412SHarish Zunjarrao if (iface_param->value[0] == ISCSI_NET_PARAM_ENABLE) 2364f8e93412SHarish Zunjarrao init_fw_cb->ipv4_tcp_opts |= 2365f8e93412SHarish Zunjarrao cpu_to_le16(TCPOPT_TIMESTAMP_ENABLE); 2366f8e93412SHarish Zunjarrao else 2367f8e93412SHarish Zunjarrao init_fw_cb->ipv4_tcp_opts &= 2368f8e93412SHarish Zunjarrao cpu_to_le16(~TCPOPT_TIMESTAMP_ENABLE); 2369f8e93412SHarish Zunjarrao break; 2370f8e93412SHarish Zunjarrao case ISCSI_NET_PARAM_IPV4_DHCP_DNS_ADDR_EN: 2371f8e93412SHarish Zunjarrao if (iface_param->iface_num & 0x1) 2372f8e93412SHarish Zunjarrao break; 2373f8e93412SHarish Zunjarrao if (iface_param->value[0] == ISCSI_NET_PARAM_ENABLE) 2374f8e93412SHarish Zunjarrao init_fw_cb->ipv4_tcp_opts |= 2375f8e93412SHarish Zunjarrao cpu_to_le16(TCPOPT_DNS_SERVER_IP_EN); 2376f8e93412SHarish Zunjarrao else 2377f8e93412SHarish Zunjarrao init_fw_cb->ipv4_tcp_opts &= 2378f8e93412SHarish Zunjarrao cpu_to_le16(~TCPOPT_DNS_SERVER_IP_EN); 2379f8e93412SHarish Zunjarrao break; 2380f8e93412SHarish Zunjarrao case ISCSI_NET_PARAM_IPV4_DHCP_SLP_DA_EN: 2381f8e93412SHarish Zunjarrao if (iface_param->iface_num & 0x1) 2382f8e93412SHarish Zunjarrao break; 2383f8e93412SHarish Zunjarrao if (iface_param->value[0] == ISCSI_NET_PARAM_ENABLE) 2384f8e93412SHarish Zunjarrao init_fw_cb->ipv4_tcp_opts |= 2385f8e93412SHarish Zunjarrao cpu_to_le16(TCPOPT_SLP_DA_INFO_EN); 2386f8e93412SHarish Zunjarrao else 2387f8e93412SHarish Zunjarrao init_fw_cb->ipv4_tcp_opts &= 2388f8e93412SHarish Zunjarrao cpu_to_le16(~TCPOPT_SLP_DA_INFO_EN); 2389f8e93412SHarish Zunjarrao break; 2390f8e93412SHarish Zunjarrao case ISCSI_NET_PARAM_IPV4_TOS_EN: 2391f8e93412SHarish Zunjarrao if (iface_param->iface_num & 0x1) 2392f8e93412SHarish Zunjarrao break; 2393f8e93412SHarish Zunjarrao if (iface_param->value[0] == ISCSI_NET_PARAM_ENABLE) 2394f8e93412SHarish Zunjarrao init_fw_cb->ipv4_ip_opts |= 2395f8e93412SHarish Zunjarrao cpu_to_le16(IPOPT_IPV4_TOS_EN); 2396f8e93412SHarish Zunjarrao else 2397f8e93412SHarish Zunjarrao init_fw_cb->ipv4_ip_opts &= 2398f8e93412SHarish Zunjarrao cpu_to_le16(~IPOPT_IPV4_TOS_EN); 2399f8e93412SHarish Zunjarrao break; 2400f8e93412SHarish Zunjarrao case ISCSI_NET_PARAM_IPV4_TOS: 2401f8e93412SHarish Zunjarrao if (iface_param->iface_num & 0x1) 2402f8e93412SHarish Zunjarrao break; 2403f8e93412SHarish Zunjarrao init_fw_cb->ipv4_tos = iface_param->value[0]; 2404f8e93412SHarish Zunjarrao break; 2405f8e93412SHarish Zunjarrao case ISCSI_NET_PARAM_IPV4_GRAT_ARP_EN: 2406f8e93412SHarish Zunjarrao if (iface_param->iface_num & 0x1) 2407f8e93412SHarish Zunjarrao break; 2408f8e93412SHarish Zunjarrao if (iface_param->value[0] == ISCSI_NET_PARAM_ENABLE) 2409f8e93412SHarish Zunjarrao init_fw_cb->ipv4_ip_opts |= 2410f8e93412SHarish Zunjarrao cpu_to_le16(IPOPT_GRAT_ARP_EN); 2411f8e93412SHarish Zunjarrao else 2412f8e93412SHarish Zunjarrao init_fw_cb->ipv4_ip_opts &= 2413f8e93412SHarish Zunjarrao cpu_to_le16(~IPOPT_GRAT_ARP_EN); 2414f8e93412SHarish Zunjarrao break; 2415f8e93412SHarish Zunjarrao case ISCSI_NET_PARAM_IPV4_DHCP_ALT_CLIENT_ID_EN: 2416f8e93412SHarish Zunjarrao if (iface_param->iface_num & 0x1) 2417f8e93412SHarish Zunjarrao break; 2418f8e93412SHarish Zunjarrao if (iface_param->value[0] == ISCSI_NET_PARAM_ENABLE) 2419f8e93412SHarish Zunjarrao init_fw_cb->ipv4_ip_opts |= 2420f8e93412SHarish Zunjarrao cpu_to_le16(IPOPT_ALT_CID_EN); 2421f8e93412SHarish Zunjarrao else 2422f8e93412SHarish Zunjarrao init_fw_cb->ipv4_ip_opts &= 2423f8e93412SHarish Zunjarrao cpu_to_le16(~IPOPT_ALT_CID_EN); 2424f8e93412SHarish Zunjarrao break; 2425f8e93412SHarish Zunjarrao case ISCSI_NET_PARAM_IPV4_DHCP_ALT_CLIENT_ID: 2426f8e93412SHarish Zunjarrao if (iface_param->iface_num & 0x1) 2427f8e93412SHarish Zunjarrao break; 2428f8e93412SHarish Zunjarrao memcpy(init_fw_cb->ipv4_dhcp_alt_cid, iface_param->value, 2429f8e93412SHarish Zunjarrao (sizeof(init_fw_cb->ipv4_dhcp_alt_cid) - 1)); 2430f8e93412SHarish Zunjarrao init_fw_cb->ipv4_dhcp_alt_cid_len = 2431f8e93412SHarish Zunjarrao strlen(init_fw_cb->ipv4_dhcp_alt_cid); 2432f8e93412SHarish Zunjarrao break; 2433f8e93412SHarish Zunjarrao case ISCSI_NET_PARAM_IPV4_DHCP_REQ_VENDOR_ID_EN: 2434f8e93412SHarish Zunjarrao if (iface_param->iface_num & 0x1) 2435f8e93412SHarish Zunjarrao break; 2436f8e93412SHarish Zunjarrao if (iface_param->value[0] == ISCSI_NET_PARAM_ENABLE) 2437f8e93412SHarish Zunjarrao init_fw_cb->ipv4_ip_opts |= 2438f8e93412SHarish Zunjarrao cpu_to_le16(IPOPT_REQ_VID_EN); 2439f8e93412SHarish Zunjarrao else 2440f8e93412SHarish Zunjarrao init_fw_cb->ipv4_ip_opts &= 2441f8e93412SHarish Zunjarrao cpu_to_le16(~IPOPT_REQ_VID_EN); 2442f8e93412SHarish Zunjarrao break; 2443f8e93412SHarish Zunjarrao case ISCSI_NET_PARAM_IPV4_DHCP_USE_VENDOR_ID_EN: 2444f8e93412SHarish Zunjarrao if (iface_param->iface_num & 0x1) 2445f8e93412SHarish Zunjarrao break; 2446f8e93412SHarish Zunjarrao if (iface_param->value[0] == ISCSI_NET_PARAM_ENABLE) 2447f8e93412SHarish Zunjarrao init_fw_cb->ipv4_ip_opts |= 2448f8e93412SHarish Zunjarrao cpu_to_le16(IPOPT_USE_VID_EN); 2449f8e93412SHarish Zunjarrao else 2450f8e93412SHarish Zunjarrao init_fw_cb->ipv4_ip_opts &= 2451f8e93412SHarish Zunjarrao cpu_to_le16(~IPOPT_USE_VID_EN); 2452f8e93412SHarish Zunjarrao break; 2453f8e93412SHarish Zunjarrao case ISCSI_NET_PARAM_IPV4_DHCP_VENDOR_ID: 2454f8e93412SHarish Zunjarrao if (iface_param->iface_num & 0x1) 2455f8e93412SHarish Zunjarrao break; 2456f8e93412SHarish Zunjarrao memcpy(init_fw_cb->ipv4_dhcp_vid, iface_param->value, 2457f8e93412SHarish Zunjarrao (sizeof(init_fw_cb->ipv4_dhcp_vid) - 1)); 2458f8e93412SHarish Zunjarrao init_fw_cb->ipv4_dhcp_vid_len = 2459f8e93412SHarish Zunjarrao strlen(init_fw_cb->ipv4_dhcp_vid); 2460f8e93412SHarish Zunjarrao break; 2461f8e93412SHarish Zunjarrao case ISCSI_NET_PARAM_IPV4_DHCP_LEARN_IQN_EN: 2462f8e93412SHarish Zunjarrao if (iface_param->iface_num & 0x1) 2463f8e93412SHarish Zunjarrao break; 2464f8e93412SHarish Zunjarrao if (iface_param->value[0] == ISCSI_NET_PARAM_ENABLE) 2465f8e93412SHarish Zunjarrao init_fw_cb->ipv4_ip_opts |= 2466f8e93412SHarish Zunjarrao cpu_to_le16(IPOPT_LEARN_IQN_EN); 2467f8e93412SHarish Zunjarrao else 2468f8e93412SHarish Zunjarrao init_fw_cb->ipv4_ip_opts &= 2469f8e93412SHarish Zunjarrao cpu_to_le16(~IPOPT_LEARN_IQN_EN); 2470f8e93412SHarish Zunjarrao break; 2471f8e93412SHarish Zunjarrao case ISCSI_NET_PARAM_IPV4_FRAGMENT_DISABLE: 2472f8e93412SHarish Zunjarrao if (iface_param->iface_num & 0x1) 2473f8e93412SHarish Zunjarrao break; 2474f8e93412SHarish Zunjarrao if (iface_param->value[0] == ISCSI_NET_PARAM_DISABLE) 2475f8e93412SHarish Zunjarrao init_fw_cb->ipv4_ip_opts |= 2476f8e93412SHarish Zunjarrao cpu_to_le16(IPOPT_FRAGMENTATION_DISABLE); 2477f8e93412SHarish Zunjarrao else 2478f8e93412SHarish Zunjarrao init_fw_cb->ipv4_ip_opts &= 2479f8e93412SHarish Zunjarrao cpu_to_le16(~IPOPT_FRAGMENTATION_DISABLE); 2480f8e93412SHarish Zunjarrao break; 2481f8e93412SHarish Zunjarrao case ISCSI_NET_PARAM_IPV4_IN_FORWARD_EN: 2482f8e93412SHarish Zunjarrao if (iface_param->iface_num & 0x1) 2483f8e93412SHarish Zunjarrao break; 2484f8e93412SHarish Zunjarrao if (iface_param->value[0] == ISCSI_NET_PARAM_ENABLE) 2485f8e93412SHarish Zunjarrao init_fw_cb->ipv4_ip_opts |= 2486f8e93412SHarish Zunjarrao cpu_to_le16(IPOPT_IN_FORWARD_EN); 2487f8e93412SHarish Zunjarrao else 2488f8e93412SHarish Zunjarrao init_fw_cb->ipv4_ip_opts &= 2489f8e93412SHarish Zunjarrao cpu_to_le16(~IPOPT_IN_FORWARD_EN); 2490f8e93412SHarish Zunjarrao break; 2491f8e93412SHarish Zunjarrao case ISCSI_NET_PARAM_REDIRECT_EN: 2492f8e93412SHarish Zunjarrao if (iface_param->iface_num & 0x1) 2493f8e93412SHarish Zunjarrao break; 2494f8e93412SHarish Zunjarrao if (iface_param->value[0] == ISCSI_NET_PARAM_ENABLE) 2495f8e93412SHarish Zunjarrao init_fw_cb->ipv4_ip_opts |= 2496f8e93412SHarish Zunjarrao cpu_to_le16(IPOPT_ARP_REDIRECT_EN); 2497f8e93412SHarish Zunjarrao else 2498f8e93412SHarish Zunjarrao init_fw_cb->ipv4_ip_opts &= 2499f8e93412SHarish Zunjarrao cpu_to_le16(~IPOPT_ARP_REDIRECT_EN); 2500f8e93412SHarish Zunjarrao break; 2501f8e93412SHarish Zunjarrao case ISCSI_NET_PARAM_IPV4_TTL: 2502f8e93412SHarish Zunjarrao if (iface_param->iface_num & 0x1) 2503f8e93412SHarish Zunjarrao break; 2504f8e93412SHarish Zunjarrao init_fw_cb->ipv4_ttl = iface_param->value[0]; 2505f8e93412SHarish Zunjarrao break; 2506d00efe3fSMike Christie default: 2507d00efe3fSMike Christie ql4_printk(KERN_ERR, ha, "Unknown IPv4 param = %d\n", 2508d00efe3fSMike Christie iface_param->param); 2509d00efe3fSMike Christie break; 2510d00efe3fSMike Christie } 2511d00efe3fSMike Christie } 2512d00efe3fSMike Christie 2513f8e93412SHarish Zunjarrao static void qla4xxx_set_iscsi_param(struct scsi_qla_host *ha, 2514f8e93412SHarish Zunjarrao struct iscsi_iface_param_info *iface_param, 2515f8e93412SHarish Zunjarrao struct addr_ctrl_blk *init_fw_cb) 2516f8e93412SHarish Zunjarrao { 2517f8e93412SHarish Zunjarrao switch (iface_param->param) { 2518f8e93412SHarish Zunjarrao case ISCSI_IFACE_PARAM_DEF_TASKMGMT_TMO: 2519f8e93412SHarish Zunjarrao if (iface_param->iface_num & 0x1) 2520f8e93412SHarish Zunjarrao break; 2521f8e93412SHarish Zunjarrao init_fw_cb->def_timeout = 2522f8e93412SHarish Zunjarrao cpu_to_le16(*(uint16_t *)iface_param->value); 2523f8e93412SHarish Zunjarrao break; 2524f8e93412SHarish Zunjarrao case ISCSI_IFACE_PARAM_HDRDGST_EN: 2525f8e93412SHarish Zunjarrao if (iface_param->iface_num & 0x1) 2526f8e93412SHarish Zunjarrao break; 2527f8e93412SHarish Zunjarrao if (iface_param->value[0] == ISCSI_NET_PARAM_ENABLE) 2528f8e93412SHarish Zunjarrao init_fw_cb->iscsi_opts |= 2529f8e93412SHarish Zunjarrao cpu_to_le16(ISCSIOPTS_HEADER_DIGEST_EN); 2530f8e93412SHarish Zunjarrao else 2531f8e93412SHarish Zunjarrao init_fw_cb->iscsi_opts &= 2532f8e93412SHarish Zunjarrao cpu_to_le16(~ISCSIOPTS_HEADER_DIGEST_EN); 2533f8e93412SHarish Zunjarrao break; 2534f8e93412SHarish Zunjarrao case ISCSI_IFACE_PARAM_DATADGST_EN: 2535f8e93412SHarish Zunjarrao if (iface_param->iface_num & 0x1) 2536f8e93412SHarish Zunjarrao break; 2537f8e93412SHarish Zunjarrao if (iface_param->value[0] == ISCSI_NET_PARAM_ENABLE) 2538f8e93412SHarish Zunjarrao init_fw_cb->iscsi_opts |= 2539f8e93412SHarish Zunjarrao cpu_to_le16(ISCSIOPTS_DATA_DIGEST_EN); 2540f8e93412SHarish Zunjarrao else 2541f8e93412SHarish Zunjarrao init_fw_cb->iscsi_opts &= 2542f8e93412SHarish Zunjarrao cpu_to_le16(~ISCSIOPTS_DATA_DIGEST_EN); 2543f8e93412SHarish Zunjarrao break; 2544f8e93412SHarish Zunjarrao case ISCSI_IFACE_PARAM_IMM_DATA_EN: 2545f8e93412SHarish Zunjarrao if (iface_param->iface_num & 0x1) 2546f8e93412SHarish Zunjarrao break; 2547f8e93412SHarish Zunjarrao if (iface_param->value[0] == ISCSI_NET_PARAM_ENABLE) 2548f8e93412SHarish Zunjarrao init_fw_cb->iscsi_opts |= 2549f8e93412SHarish Zunjarrao cpu_to_le16(ISCSIOPTS_IMMEDIATE_DATA_EN); 2550f8e93412SHarish Zunjarrao else 2551f8e93412SHarish Zunjarrao init_fw_cb->iscsi_opts &= 2552f8e93412SHarish Zunjarrao cpu_to_le16(~ISCSIOPTS_IMMEDIATE_DATA_EN); 2553f8e93412SHarish Zunjarrao break; 2554f8e93412SHarish Zunjarrao case ISCSI_IFACE_PARAM_INITIAL_R2T_EN: 2555f8e93412SHarish Zunjarrao if (iface_param->iface_num & 0x1) 2556f8e93412SHarish Zunjarrao break; 2557f8e93412SHarish Zunjarrao if (iface_param->value[0] == ISCSI_NET_PARAM_ENABLE) 2558f8e93412SHarish Zunjarrao init_fw_cb->iscsi_opts |= 2559f8e93412SHarish Zunjarrao cpu_to_le16(ISCSIOPTS_INITIAL_R2T_EN); 2560f8e93412SHarish Zunjarrao else 2561f8e93412SHarish Zunjarrao init_fw_cb->iscsi_opts &= 2562f8e93412SHarish Zunjarrao cpu_to_le16(~ISCSIOPTS_INITIAL_R2T_EN); 2563f8e93412SHarish Zunjarrao break; 2564f8e93412SHarish Zunjarrao case ISCSI_IFACE_PARAM_DATASEQ_INORDER_EN: 2565f8e93412SHarish Zunjarrao if (iface_param->iface_num & 0x1) 2566f8e93412SHarish Zunjarrao break; 2567f8e93412SHarish Zunjarrao if (iface_param->value[0] == ISCSI_NET_PARAM_ENABLE) 2568f8e93412SHarish Zunjarrao init_fw_cb->iscsi_opts |= 2569f8e93412SHarish Zunjarrao cpu_to_le16(ISCSIOPTS_DATA_SEQ_INORDER_EN); 2570f8e93412SHarish Zunjarrao else 2571f8e93412SHarish Zunjarrao init_fw_cb->iscsi_opts &= 2572f8e93412SHarish Zunjarrao cpu_to_le16(~ISCSIOPTS_DATA_SEQ_INORDER_EN); 2573f8e93412SHarish Zunjarrao break; 2574f8e93412SHarish Zunjarrao case ISCSI_IFACE_PARAM_PDU_INORDER_EN: 2575f8e93412SHarish Zunjarrao if (iface_param->iface_num & 0x1) 2576f8e93412SHarish Zunjarrao break; 2577f8e93412SHarish Zunjarrao if (iface_param->value[0] == ISCSI_NET_PARAM_ENABLE) 2578f8e93412SHarish Zunjarrao init_fw_cb->iscsi_opts |= 2579f8e93412SHarish Zunjarrao cpu_to_le16(ISCSIOPTS_DATA_PDU_INORDER_EN); 2580f8e93412SHarish Zunjarrao else 2581f8e93412SHarish Zunjarrao init_fw_cb->iscsi_opts &= 2582f8e93412SHarish Zunjarrao cpu_to_le16(~ISCSIOPTS_DATA_PDU_INORDER_EN); 2583f8e93412SHarish Zunjarrao break; 2584f8e93412SHarish Zunjarrao case ISCSI_IFACE_PARAM_ERL: 2585f8e93412SHarish Zunjarrao if (iface_param->iface_num & 0x1) 2586f8e93412SHarish Zunjarrao break; 2587f8e93412SHarish Zunjarrao init_fw_cb->iscsi_opts &= cpu_to_le16(~ISCSIOPTS_ERL); 2588f8e93412SHarish Zunjarrao init_fw_cb->iscsi_opts |= cpu_to_le16(iface_param->value[0] & 2589f8e93412SHarish Zunjarrao ISCSIOPTS_ERL); 2590f8e93412SHarish Zunjarrao break; 2591f8e93412SHarish Zunjarrao case ISCSI_IFACE_PARAM_MAX_RECV_DLENGTH: 2592f8e93412SHarish Zunjarrao if (iface_param->iface_num & 0x1) 2593f8e93412SHarish Zunjarrao break; 2594f8e93412SHarish Zunjarrao init_fw_cb->iscsi_max_pdu_size = 2595f8e93412SHarish Zunjarrao cpu_to_le32(*(uint32_t *)iface_param->value) / 2596f8e93412SHarish Zunjarrao BYTE_UNITS; 2597f8e93412SHarish Zunjarrao break; 2598f8e93412SHarish Zunjarrao case ISCSI_IFACE_PARAM_FIRST_BURST: 2599f8e93412SHarish Zunjarrao if (iface_param->iface_num & 0x1) 2600f8e93412SHarish Zunjarrao break; 2601f8e93412SHarish Zunjarrao init_fw_cb->iscsi_fburst_len = 2602f8e93412SHarish Zunjarrao cpu_to_le32(*(uint32_t *)iface_param->value) / 2603f8e93412SHarish Zunjarrao BYTE_UNITS; 2604f8e93412SHarish Zunjarrao break; 2605f8e93412SHarish Zunjarrao case ISCSI_IFACE_PARAM_MAX_R2T: 2606f8e93412SHarish Zunjarrao if (iface_param->iface_num & 0x1) 2607f8e93412SHarish Zunjarrao break; 2608f8e93412SHarish Zunjarrao init_fw_cb->iscsi_max_outstnd_r2t = 2609f8e93412SHarish Zunjarrao cpu_to_le16(*(uint16_t *)iface_param->value); 2610f8e93412SHarish Zunjarrao break; 2611f8e93412SHarish Zunjarrao case ISCSI_IFACE_PARAM_MAX_BURST: 2612f8e93412SHarish Zunjarrao if (iface_param->iface_num & 0x1) 2613f8e93412SHarish Zunjarrao break; 2614f8e93412SHarish Zunjarrao init_fw_cb->iscsi_max_burst_len = 2615f8e93412SHarish Zunjarrao cpu_to_le32(*(uint32_t *)iface_param->value) / 2616f8e93412SHarish Zunjarrao BYTE_UNITS; 2617f8e93412SHarish Zunjarrao break; 2618f8e93412SHarish Zunjarrao case ISCSI_IFACE_PARAM_CHAP_AUTH_EN: 2619f8e93412SHarish Zunjarrao if (iface_param->iface_num & 0x1) 2620f8e93412SHarish Zunjarrao break; 2621f8e93412SHarish Zunjarrao if (iface_param->value[0] == ISCSI_NET_PARAM_ENABLE) 2622f8e93412SHarish Zunjarrao init_fw_cb->iscsi_opts |= 2623f8e93412SHarish Zunjarrao cpu_to_le16(ISCSIOPTS_CHAP_AUTH_EN); 2624f8e93412SHarish Zunjarrao else 2625f8e93412SHarish Zunjarrao init_fw_cb->iscsi_opts &= 2626f8e93412SHarish Zunjarrao cpu_to_le16(~ISCSIOPTS_CHAP_AUTH_EN); 2627f8e93412SHarish Zunjarrao break; 2628f8e93412SHarish Zunjarrao case ISCSI_IFACE_PARAM_BIDI_CHAP_EN: 2629f8e93412SHarish Zunjarrao if (iface_param->iface_num & 0x1) 2630f8e93412SHarish Zunjarrao break; 2631f8e93412SHarish Zunjarrao if (iface_param->value[0] == ISCSI_NET_PARAM_ENABLE) 2632f8e93412SHarish Zunjarrao init_fw_cb->iscsi_opts |= 2633f8e93412SHarish Zunjarrao cpu_to_le16(ISCSIOPTS_BIDI_CHAP_EN); 2634f8e93412SHarish Zunjarrao else 2635f8e93412SHarish Zunjarrao init_fw_cb->iscsi_opts &= 2636f8e93412SHarish Zunjarrao cpu_to_le16(~ISCSIOPTS_BIDI_CHAP_EN); 2637f8e93412SHarish Zunjarrao break; 2638f8e93412SHarish Zunjarrao case ISCSI_IFACE_PARAM_DISCOVERY_AUTH_OPTIONAL: 2639f8e93412SHarish Zunjarrao if (iface_param->iface_num & 0x1) 2640f8e93412SHarish Zunjarrao break; 2641f8e93412SHarish Zunjarrao if (iface_param->value[0] == ISCSI_NET_PARAM_ENABLE) 2642f8e93412SHarish Zunjarrao init_fw_cb->iscsi_opts |= 2643f8e93412SHarish Zunjarrao cpu_to_le16(ISCSIOPTS_DISCOVERY_AUTH_EN); 2644f8e93412SHarish Zunjarrao else 2645f8e93412SHarish Zunjarrao init_fw_cb->iscsi_opts &= 2646f8e93412SHarish Zunjarrao cpu_to_le16(~ISCSIOPTS_DISCOVERY_AUTH_EN); 2647f8e93412SHarish Zunjarrao break; 2648f8e93412SHarish Zunjarrao case ISCSI_IFACE_PARAM_DISCOVERY_LOGOUT_EN: 2649f8e93412SHarish Zunjarrao if (iface_param->iface_num & 0x1) 2650f8e93412SHarish Zunjarrao break; 2651f8e93412SHarish Zunjarrao if (iface_param->value[0] == ISCSI_NET_PARAM_ENABLE) 2652f8e93412SHarish Zunjarrao init_fw_cb->iscsi_opts |= 2653f8e93412SHarish Zunjarrao cpu_to_le16(ISCSIOPTS_DISCOVERY_LOGOUT_EN); 2654f8e93412SHarish Zunjarrao else 2655f8e93412SHarish Zunjarrao init_fw_cb->iscsi_opts &= 2656f8e93412SHarish Zunjarrao cpu_to_le16(~ISCSIOPTS_DISCOVERY_LOGOUT_EN); 2657f8e93412SHarish Zunjarrao break; 2658f8e93412SHarish Zunjarrao case ISCSI_IFACE_PARAM_STRICT_LOGIN_COMP_EN: 2659f8e93412SHarish Zunjarrao if (iface_param->iface_num & 0x1) 2660f8e93412SHarish Zunjarrao break; 2661f8e93412SHarish Zunjarrao if (iface_param->value[0] == ISCSI_NET_PARAM_ENABLE) 2662f8e93412SHarish Zunjarrao init_fw_cb->iscsi_opts |= 2663f8e93412SHarish Zunjarrao cpu_to_le16(ISCSIOPTS_STRICT_LOGIN_COMP_EN); 2664f8e93412SHarish Zunjarrao else 2665f8e93412SHarish Zunjarrao init_fw_cb->iscsi_opts &= 2666f8e93412SHarish Zunjarrao cpu_to_le16(~ISCSIOPTS_STRICT_LOGIN_COMP_EN); 2667f8e93412SHarish Zunjarrao break; 2668f8e93412SHarish Zunjarrao default: 2669f8e93412SHarish Zunjarrao ql4_printk(KERN_ERR, ha, "Unknown iscsi param = %d\n", 2670f8e93412SHarish Zunjarrao iface_param->param); 2671f8e93412SHarish Zunjarrao break; 2672f8e93412SHarish Zunjarrao } 2673f8e93412SHarish Zunjarrao } 2674f8e93412SHarish Zunjarrao 2675d00efe3fSMike Christie static void 2676d00efe3fSMike Christie qla4xxx_initcb_to_acb(struct addr_ctrl_blk *init_fw_cb) 2677d00efe3fSMike Christie { 2678d00efe3fSMike Christie struct addr_ctrl_blk_def *acb; 2679d00efe3fSMike Christie acb = (struct addr_ctrl_blk_def *)init_fw_cb; 2680d00efe3fSMike Christie memset(acb->reserved1, 0, sizeof(acb->reserved1)); 2681d00efe3fSMike Christie memset(acb->reserved2, 0, sizeof(acb->reserved2)); 2682d00efe3fSMike Christie memset(acb->reserved3, 0, sizeof(acb->reserved3)); 2683d00efe3fSMike Christie memset(acb->reserved4, 0, sizeof(acb->reserved4)); 2684d00efe3fSMike Christie memset(acb->reserved5, 0, sizeof(acb->reserved5)); 2685d00efe3fSMike Christie memset(acb->reserved6, 0, sizeof(acb->reserved6)); 2686d00efe3fSMike Christie memset(acb->reserved7, 0, sizeof(acb->reserved7)); 2687d00efe3fSMike Christie memset(acb->reserved8, 0, sizeof(acb->reserved8)); 2688d00efe3fSMike Christie memset(acb->reserved9, 0, sizeof(acb->reserved9)); 2689d00efe3fSMike Christie memset(acb->reserved10, 0, sizeof(acb->reserved10)); 2690d00efe3fSMike Christie memset(acb->reserved11, 0, sizeof(acb->reserved11)); 2691d00efe3fSMike Christie memset(acb->reserved12, 0, sizeof(acb->reserved12)); 2692d00efe3fSMike Christie memset(acb->reserved13, 0, sizeof(acb->reserved13)); 2693d00efe3fSMike Christie memset(acb->reserved14, 0, sizeof(acb->reserved14)); 2694d00efe3fSMike Christie memset(acb->reserved15, 0, sizeof(acb->reserved15)); 2695d00efe3fSMike Christie } 2696d00efe3fSMike Christie 2697d00efe3fSMike Christie static int 269800c31889SMike Christie qla4xxx_iface_set_param(struct Scsi_Host *shost, void *data, uint32_t len) 2699d00efe3fSMike Christie { 2700d00efe3fSMike Christie struct scsi_qla_host *ha = to_qla_host(shost); 2701d00efe3fSMike Christie int rval = 0; 2702d00efe3fSMike Christie struct iscsi_iface_param_info *iface_param = NULL; 2703d00efe3fSMike Christie struct addr_ctrl_blk *init_fw_cb = NULL; 2704d00efe3fSMike Christie dma_addr_t init_fw_cb_dma; 2705d00efe3fSMike Christie uint32_t mbox_cmd[MBOX_REG_COUNT]; 2706d00efe3fSMike Christie uint32_t mbox_sts[MBOX_REG_COUNT]; 270700c31889SMike Christie uint32_t rem = len; 270800c31889SMike Christie struct nlattr *attr; 2709d00efe3fSMike Christie 2710d103adb3SHimanshu Jha init_fw_cb = dma_zalloc_coherent(&ha->pdev->dev, 2711d00efe3fSMike Christie sizeof(struct addr_ctrl_blk), 2712d00efe3fSMike Christie &init_fw_cb_dma, GFP_KERNEL); 2713d00efe3fSMike Christie if (!init_fw_cb) { 2714d00efe3fSMike Christie ql4_printk(KERN_ERR, ha, "%s: Unable to alloc init_cb\n", 2715d00efe3fSMike Christie __func__); 2716d00efe3fSMike Christie return -ENOMEM; 2717d00efe3fSMike Christie } 2718d00efe3fSMike Christie 2719d00efe3fSMike Christie memset(&mbox_cmd, 0, sizeof(mbox_cmd)); 2720d00efe3fSMike Christie memset(&mbox_sts, 0, sizeof(mbox_sts)); 2721d00efe3fSMike Christie 2722d00efe3fSMike Christie if (qla4xxx_get_ifcb(ha, &mbox_cmd[0], &mbox_sts[0], init_fw_cb_dma)) { 2723d00efe3fSMike Christie ql4_printk(KERN_ERR, ha, "%s: get ifcb failed\n", __func__); 2724d00efe3fSMike Christie rval = -EIO; 2725d00efe3fSMike Christie goto exit_init_fw_cb; 2726d00efe3fSMike Christie } 2727d00efe3fSMike Christie 272800c31889SMike Christie nla_for_each_attr(attr, data, len, rem) { 272900c31889SMike Christie iface_param = nla_data(attr); 2730d00efe3fSMike Christie 2731f8e93412SHarish Zunjarrao if (iface_param->param_type == ISCSI_NET_PARAM) { 2732d00efe3fSMike Christie switch (iface_param->iface_type) { 2733d00efe3fSMike Christie case ISCSI_IFACE_TYPE_IPV4: 2734d00efe3fSMike Christie switch (iface_param->iface_num) { 2735d00efe3fSMike Christie case 0: 2736f8e93412SHarish Zunjarrao qla4xxx_set_ipv4(ha, iface_param, 2737f8e93412SHarish Zunjarrao init_fw_cb); 2738d00efe3fSMike Christie break; 2739d00efe3fSMike Christie default: 2740d00efe3fSMike Christie /* Cannot have more than one IPv4 interface */ 2741f8e93412SHarish Zunjarrao ql4_printk(KERN_ERR, ha, 2742f8e93412SHarish Zunjarrao "Invalid IPv4 iface number = %d\n", 2743d00efe3fSMike Christie iface_param->iface_num); 2744d00efe3fSMike Christie break; 2745d00efe3fSMike Christie } 2746d00efe3fSMike Christie break; 2747d00efe3fSMike Christie case ISCSI_IFACE_TYPE_IPV6: 2748d00efe3fSMike Christie switch (iface_param->iface_num) { 2749d00efe3fSMike Christie case 0: 2750d00efe3fSMike Christie case 1: 2751f8e93412SHarish Zunjarrao qla4xxx_set_ipv6(ha, iface_param, 2752f8e93412SHarish Zunjarrao init_fw_cb); 2753d00efe3fSMike Christie break; 2754d00efe3fSMike Christie default: 2755d00efe3fSMike Christie /* Cannot have more than two IPv6 interface */ 2756f8e93412SHarish Zunjarrao ql4_printk(KERN_ERR, ha, 2757f8e93412SHarish Zunjarrao "Invalid IPv6 iface number = %d\n", 2758d00efe3fSMike Christie iface_param->iface_num); 2759d00efe3fSMike Christie break; 2760d00efe3fSMike Christie } 2761d00efe3fSMike Christie break; 2762d00efe3fSMike Christie default: 2763f8e93412SHarish Zunjarrao ql4_printk(KERN_ERR, ha, 2764f8e93412SHarish Zunjarrao "Invalid iface type\n"); 2765d00efe3fSMike Christie break; 2766d00efe3fSMike Christie } 2767f8e93412SHarish Zunjarrao } else if (iface_param->param_type == ISCSI_IFACE_PARAM) { 2768f8e93412SHarish Zunjarrao qla4xxx_set_iscsi_param(ha, iface_param, 2769f8e93412SHarish Zunjarrao init_fw_cb); 2770f8e93412SHarish Zunjarrao } else { 2771f8e93412SHarish Zunjarrao continue; 2772f8e93412SHarish Zunjarrao } 2773d00efe3fSMike Christie } 2774d00efe3fSMike Christie 2775d00efe3fSMike Christie init_fw_cb->cookie = cpu_to_le32(0x11BEAD5A); 2776d00efe3fSMike Christie 2777d00efe3fSMike Christie rval = qla4xxx_set_flash(ha, init_fw_cb_dma, FLASH_SEGMENT_IFCB, 2778d00efe3fSMike Christie sizeof(struct addr_ctrl_blk), 2779d00efe3fSMike Christie FLASH_OPT_RMW_COMMIT); 2780d00efe3fSMike Christie if (rval != QLA_SUCCESS) { 2781d00efe3fSMike Christie ql4_printk(KERN_ERR, ha, "%s: set flash mbx failed\n", 2782d00efe3fSMike Christie __func__); 2783d00efe3fSMike Christie rval = -EIO; 2784d00efe3fSMike Christie goto exit_init_fw_cb; 2785d00efe3fSMike Christie } 2786d00efe3fSMike Christie 2787ce505f9dSVikas Chaudhary rval = qla4xxx_disable_acb(ha); 2788ce505f9dSVikas Chaudhary if (rval != QLA_SUCCESS) { 2789ce505f9dSVikas Chaudhary ql4_printk(KERN_ERR, ha, "%s: disable acb mbx failed\n", 2790ce505f9dSVikas Chaudhary __func__); 2791ce505f9dSVikas Chaudhary rval = -EIO; 2792ce505f9dSVikas Chaudhary goto exit_init_fw_cb; 2793ce505f9dSVikas Chaudhary } 2794ce505f9dSVikas Chaudhary 2795ce505f9dSVikas Chaudhary wait_for_completion_timeout(&ha->disable_acb_comp, 2796ce505f9dSVikas Chaudhary DISABLE_ACB_TOV * HZ); 2797d00efe3fSMike Christie 2798d00efe3fSMike Christie qla4xxx_initcb_to_acb(init_fw_cb); 2799d00efe3fSMike Christie 2800d00efe3fSMike Christie rval = qla4xxx_set_acb(ha, &mbox_cmd[0], &mbox_sts[0], init_fw_cb_dma); 2801d00efe3fSMike Christie if (rval != QLA_SUCCESS) { 2802d00efe3fSMike Christie ql4_printk(KERN_ERR, ha, "%s: set acb mbx failed\n", 2803d00efe3fSMike Christie __func__); 2804d00efe3fSMike Christie rval = -EIO; 2805d00efe3fSMike Christie goto exit_init_fw_cb; 2806d00efe3fSMike Christie } 2807d00efe3fSMike Christie 2808d00efe3fSMike Christie memset(init_fw_cb, 0, sizeof(struct addr_ctrl_blk)); 2809d00efe3fSMike Christie qla4xxx_update_local_ifcb(ha, &mbox_cmd[0], &mbox_sts[0], init_fw_cb, 2810d00efe3fSMike Christie init_fw_cb_dma); 2811d00efe3fSMike Christie 2812d00efe3fSMike Christie exit_init_fw_cb: 2813d00efe3fSMike Christie dma_free_coherent(&ha->pdev->dev, sizeof(struct addr_ctrl_blk), 2814d00efe3fSMike Christie init_fw_cb, init_fw_cb_dma); 2815d00efe3fSMike Christie 2816d00efe3fSMike Christie return rval; 2817d00efe3fSMike Christie } 2818d00efe3fSMike Christie 2819fca9f04dSMike Christie static int qla4xxx_session_get_param(struct iscsi_cls_session *cls_sess, 2820fca9f04dSMike Christie enum iscsi_param param, char *buf) 2821fca9f04dSMike Christie { 2822fca9f04dSMike Christie struct iscsi_session *sess = cls_sess->dd_data; 2823fca9f04dSMike Christie struct ddb_entry *ddb_entry = sess->dd_data; 2824fca9f04dSMike Christie struct scsi_qla_host *ha = ddb_entry->ha; 282597c2730cSAdheer Chandravanshi struct iscsi_cls_conn *cls_conn = ddb_entry->conn; 282697c2730cSAdheer Chandravanshi struct ql4_chap_table chap_tbl; 2827fca9f04dSMike Christie int rval, len; 2828fca9f04dSMike Christie uint16_t idx; 2829fca9f04dSMike Christie 283097c2730cSAdheer Chandravanshi memset(&chap_tbl, 0, sizeof(chap_tbl)); 2831fca9f04dSMike Christie switch (param) { 2832fca9f04dSMike Christie case ISCSI_PARAM_CHAP_IN_IDX: 2833fca9f04dSMike Christie rval = qla4xxx_get_chap_index(ha, sess->username_in, 2834fca9f04dSMike Christie sess->password_in, BIDI_CHAP, 2835fca9f04dSMike Christie &idx); 2836fca9f04dSMike Christie if (rval) 2837c7a5e0d0SManish Rangankar len = sprintf(buf, "\n"); 2838c7a5e0d0SManish Rangankar else 2839fca9f04dSMike Christie len = sprintf(buf, "%hu\n", idx); 2840fca9f04dSMike Christie break; 2841fca9f04dSMike Christie case ISCSI_PARAM_CHAP_OUT_IDX: 284297c2730cSAdheer Chandravanshi if (ddb_entry->ddb_type == FLASH_DDB) { 284397c2730cSAdheer Chandravanshi if (ddb_entry->chap_tbl_idx != INVALID_ENTRY) { 284497c2730cSAdheer Chandravanshi idx = ddb_entry->chap_tbl_idx; 284597c2730cSAdheer Chandravanshi rval = QLA_SUCCESS; 284697c2730cSAdheer Chandravanshi } else { 284797c2730cSAdheer Chandravanshi rval = QLA_ERROR; 284897c2730cSAdheer Chandravanshi } 284997c2730cSAdheer Chandravanshi } else { 2850fca9f04dSMike Christie rval = qla4xxx_get_chap_index(ha, sess->username, 285197c2730cSAdheer Chandravanshi sess->password, 285297c2730cSAdheer Chandravanshi LOCAL_CHAP, &idx); 285397c2730cSAdheer Chandravanshi } 2854fca9f04dSMike Christie if (rval) 2855c7a5e0d0SManish Rangankar len = sprintf(buf, "\n"); 2856c7a5e0d0SManish Rangankar else 2857fca9f04dSMike Christie len = sprintf(buf, "%hu\n", idx); 2858fca9f04dSMike Christie break; 285997c2730cSAdheer Chandravanshi case ISCSI_PARAM_USERNAME: 286097c2730cSAdheer Chandravanshi case ISCSI_PARAM_PASSWORD: 286197c2730cSAdheer Chandravanshi /* First, populate session username and password for FLASH DDB, 286297c2730cSAdheer Chandravanshi * if not already done. This happens when session login fails 286397c2730cSAdheer Chandravanshi * for a FLASH DDB. 286497c2730cSAdheer Chandravanshi */ 286597c2730cSAdheer Chandravanshi if (ddb_entry->ddb_type == FLASH_DDB && 286697c2730cSAdheer Chandravanshi ddb_entry->chap_tbl_idx != INVALID_ENTRY && 286797c2730cSAdheer Chandravanshi !sess->username && !sess->password) { 286897c2730cSAdheer Chandravanshi idx = ddb_entry->chap_tbl_idx; 286997c2730cSAdheer Chandravanshi rval = qla4xxx_get_uni_chap_at_index(ha, chap_tbl.name, 287097c2730cSAdheer Chandravanshi chap_tbl.secret, 287197c2730cSAdheer Chandravanshi idx); 287297c2730cSAdheer Chandravanshi if (!rval) { 287397c2730cSAdheer Chandravanshi iscsi_set_param(cls_conn, ISCSI_PARAM_USERNAME, 287497c2730cSAdheer Chandravanshi (char *)chap_tbl.name, 287597c2730cSAdheer Chandravanshi strlen((char *)chap_tbl.name)); 287697c2730cSAdheer Chandravanshi iscsi_set_param(cls_conn, ISCSI_PARAM_PASSWORD, 287797c2730cSAdheer Chandravanshi (char *)chap_tbl.secret, 287897c2730cSAdheer Chandravanshi chap_tbl.secret_len); 287997c2730cSAdheer Chandravanshi } 288097c2730cSAdheer Chandravanshi } 288197c2730cSAdheer Chandravanshi /* allow fall-through */ 2882fca9f04dSMike Christie default: 2883fca9f04dSMike Christie return iscsi_session_get_param(cls_sess, param, buf); 2884fca9f04dSMike Christie } 2885fca9f04dSMike Christie 2886fca9f04dSMike Christie return len; 2887fca9f04dSMike Christie } 2888fca9f04dSMike Christie 2889b3a271a9SManish Rangankar static int qla4xxx_conn_get_param(struct iscsi_cls_conn *cls_conn, 2890afaf5a2dSDavid Somayajulu enum iscsi_param param, char *buf) 2891afaf5a2dSDavid Somayajulu { 2892b3a271a9SManish Rangankar struct iscsi_conn *conn; 2893b3a271a9SManish Rangankar struct qla_conn *qla_conn; 2894b3a271a9SManish Rangankar struct sockaddr *dst_addr; 2895afaf5a2dSDavid Somayajulu 2896b3a271a9SManish Rangankar conn = cls_conn->dd_data; 2897b3a271a9SManish Rangankar qla_conn = conn->dd_data; 2898d46bdeb1SManish Rangankar dst_addr = (struct sockaddr *)&qla_conn->qla_ep->dst_addr; 2899afaf5a2dSDavid Somayajulu 2900afaf5a2dSDavid Somayajulu switch (param) { 2901afaf5a2dSDavid Somayajulu case ISCSI_PARAM_CONN_PORT: 2902afaf5a2dSDavid Somayajulu case ISCSI_PARAM_CONN_ADDRESS: 2903b3a271a9SManish Rangankar return iscsi_conn_get_addr_param((struct sockaddr_storage *) 2904b3a271a9SManish Rangankar dst_addr, param, buf); 2905afaf5a2dSDavid Somayajulu default: 2906b3a271a9SManish Rangankar return iscsi_conn_get_param(cls_conn, param, buf); 2907afaf5a2dSDavid Somayajulu } 2908afaf5a2dSDavid Somayajulu } 2909afaf5a2dSDavid Somayajulu 291013483730SMike Christie int qla4xxx_get_ddb_index(struct scsi_qla_host *ha, uint16_t *ddb_index) 291113483730SMike Christie { 291213483730SMike Christie uint32_t mbx_sts = 0; 291313483730SMike Christie uint16_t tmp_ddb_index; 291413483730SMike Christie int ret; 291513483730SMike Christie 291613483730SMike Christie get_ddb_index: 291713483730SMike Christie tmp_ddb_index = find_first_zero_bit(ha->ddb_idx_map, MAX_DDB_ENTRIES); 291813483730SMike Christie 291913483730SMike Christie if (tmp_ddb_index >= MAX_DDB_ENTRIES) { 292013483730SMike Christie DEBUG2(ql4_printk(KERN_INFO, ha, 292113483730SMike Christie "Free DDB index not available\n")); 292213483730SMike Christie ret = QLA_ERROR; 292313483730SMike Christie goto exit_get_ddb_index; 292413483730SMike Christie } 292513483730SMike Christie 292613483730SMike Christie if (test_and_set_bit(tmp_ddb_index, ha->ddb_idx_map)) 292713483730SMike Christie goto get_ddb_index; 292813483730SMike Christie 292913483730SMike Christie DEBUG2(ql4_printk(KERN_INFO, ha, 293013483730SMike Christie "Found a free DDB index at %d\n", tmp_ddb_index)); 293113483730SMike Christie ret = qla4xxx_req_ddb_entry(ha, tmp_ddb_index, &mbx_sts); 293213483730SMike Christie if (ret == QLA_ERROR) { 293313483730SMike Christie if (mbx_sts == MBOX_STS_COMMAND_ERROR) { 293413483730SMike Christie ql4_printk(KERN_INFO, ha, 293513483730SMike Christie "DDB index = %d not available trying next\n", 293613483730SMike Christie tmp_ddb_index); 293713483730SMike Christie goto get_ddb_index; 293813483730SMike Christie } 293913483730SMike Christie DEBUG2(ql4_printk(KERN_INFO, ha, 294013483730SMike Christie "Free FW DDB not available\n")); 294113483730SMike Christie } 294213483730SMike Christie 294313483730SMike Christie *ddb_index = tmp_ddb_index; 294413483730SMike Christie 294513483730SMike Christie exit_get_ddb_index: 294613483730SMike Christie return ret; 294713483730SMike Christie } 294813483730SMike Christie 294913483730SMike Christie static int qla4xxx_match_ipaddress(struct scsi_qla_host *ha, 295013483730SMike Christie struct ddb_entry *ddb_entry, 295113483730SMike Christie char *existing_ipaddr, 295213483730SMike Christie char *user_ipaddr) 295313483730SMike Christie { 295413483730SMike Christie uint8_t dst_ipaddr[IPv6_ADDR_LEN]; 295513483730SMike Christie char formatted_ipaddr[DDB_IPADDR_LEN]; 295613483730SMike Christie int status = QLA_SUCCESS, ret = 0; 295713483730SMike Christie 295813483730SMike Christie if (ddb_entry->fw_ddb_entry.options & DDB_OPT_IPV6_DEVICE) { 295913483730SMike Christie ret = in6_pton(user_ipaddr, strlen(user_ipaddr), dst_ipaddr, 296013483730SMike Christie '\0', NULL); 296113483730SMike Christie if (ret == 0) { 296213483730SMike Christie status = QLA_ERROR; 296313483730SMike Christie goto out_match; 296413483730SMike Christie } 296513483730SMike Christie ret = sprintf(formatted_ipaddr, "%pI6", dst_ipaddr); 296613483730SMike Christie } else { 296713483730SMike Christie ret = in4_pton(user_ipaddr, strlen(user_ipaddr), dst_ipaddr, 296813483730SMike Christie '\0', NULL); 296913483730SMike Christie if (ret == 0) { 297013483730SMike Christie status = QLA_ERROR; 297113483730SMike Christie goto out_match; 297213483730SMike Christie } 297313483730SMike Christie ret = sprintf(formatted_ipaddr, "%pI4", dst_ipaddr); 297413483730SMike Christie } 297513483730SMike Christie 297613483730SMike Christie if (strcmp(existing_ipaddr, formatted_ipaddr)) 297713483730SMike Christie status = QLA_ERROR; 297813483730SMike Christie 297913483730SMike Christie out_match: 298013483730SMike Christie return status; 298113483730SMike Christie } 298213483730SMike Christie 298313483730SMike Christie static int qla4xxx_match_fwdb_session(struct scsi_qla_host *ha, 298413483730SMike Christie struct iscsi_cls_conn *cls_conn) 298513483730SMike Christie { 298613483730SMike Christie int idx = 0, max_ddbs, rval; 298713483730SMike Christie struct iscsi_cls_session *cls_sess = iscsi_conn_to_session(cls_conn); 298813483730SMike Christie struct iscsi_session *sess, *existing_sess; 298913483730SMike Christie struct iscsi_conn *conn, *existing_conn; 299013483730SMike Christie struct ddb_entry *ddb_entry; 299113483730SMike Christie 299213483730SMike Christie sess = cls_sess->dd_data; 299313483730SMike Christie conn = cls_conn->dd_data; 299413483730SMike Christie 299513483730SMike Christie if (sess->targetname == NULL || 299613483730SMike Christie conn->persistent_address == NULL || 299713483730SMike Christie conn->persistent_port == 0) 299813483730SMike Christie return QLA_ERROR; 299913483730SMike Christie 300013483730SMike Christie max_ddbs = is_qla40XX(ha) ? MAX_DEV_DB_ENTRIES_40XX : 300113483730SMike Christie MAX_DEV_DB_ENTRIES; 300213483730SMike Christie 300313483730SMike Christie for (idx = 0; idx < max_ddbs; idx++) { 300413483730SMike Christie ddb_entry = qla4xxx_lookup_ddb_by_fw_index(ha, idx); 300513483730SMike Christie if (ddb_entry == NULL) 300613483730SMike Christie continue; 300713483730SMike Christie 300813483730SMike Christie if (ddb_entry->ddb_type != FLASH_DDB) 300913483730SMike Christie continue; 301013483730SMike Christie 301113483730SMike Christie existing_sess = ddb_entry->sess->dd_data; 301213483730SMike Christie existing_conn = ddb_entry->conn->dd_data; 301313483730SMike Christie 301413483730SMike Christie if (existing_sess->targetname == NULL || 301513483730SMike Christie existing_conn->persistent_address == NULL || 301613483730SMike Christie existing_conn->persistent_port == 0) 301713483730SMike Christie continue; 301813483730SMike Christie 301913483730SMike Christie DEBUG2(ql4_printk(KERN_INFO, ha, 302013483730SMike Christie "IQN = %s User IQN = %s\n", 302113483730SMike Christie existing_sess->targetname, 302213483730SMike Christie sess->targetname)); 302313483730SMike Christie 302413483730SMike Christie DEBUG2(ql4_printk(KERN_INFO, ha, 302513483730SMike Christie "IP = %s User IP = %s\n", 302613483730SMike Christie existing_conn->persistent_address, 302713483730SMike Christie conn->persistent_address)); 302813483730SMike Christie 302913483730SMike Christie DEBUG2(ql4_printk(KERN_INFO, ha, 303013483730SMike Christie "Port = %d User Port = %d\n", 303113483730SMike Christie existing_conn->persistent_port, 303213483730SMike Christie conn->persistent_port)); 303313483730SMike Christie 303413483730SMike Christie if (strcmp(existing_sess->targetname, sess->targetname)) 303513483730SMike Christie continue; 303613483730SMike Christie rval = qla4xxx_match_ipaddress(ha, ddb_entry, 303713483730SMike Christie existing_conn->persistent_address, 303813483730SMike Christie conn->persistent_address); 303913483730SMike Christie if (rval == QLA_ERROR) 304013483730SMike Christie continue; 304113483730SMike Christie if (existing_conn->persistent_port != conn->persistent_port) 304213483730SMike Christie continue; 304313483730SMike Christie break; 304413483730SMike Christie } 304513483730SMike Christie 304613483730SMike Christie if (idx == max_ddbs) 304713483730SMike Christie return QLA_ERROR; 304813483730SMike Christie 304913483730SMike Christie DEBUG2(ql4_printk(KERN_INFO, ha, 305013483730SMike Christie "Match found in fwdb sessions\n")); 305113483730SMike Christie return QLA_SUCCESS; 305213483730SMike Christie } 305313483730SMike Christie 3054b3a271a9SManish Rangankar static struct iscsi_cls_session * 3055b3a271a9SManish Rangankar qla4xxx_session_create(struct iscsi_endpoint *ep, 3056b3a271a9SManish Rangankar uint16_t cmds_max, uint16_t qdepth, 3057b3a271a9SManish Rangankar uint32_t initial_cmdsn) 3058b3a271a9SManish Rangankar { 3059b3a271a9SManish Rangankar struct iscsi_cls_session *cls_sess; 3060b3a271a9SManish Rangankar struct scsi_qla_host *ha; 3061b3a271a9SManish Rangankar struct qla_endpoint *qla_ep; 3062b3a271a9SManish Rangankar struct ddb_entry *ddb_entry; 306313483730SMike Christie uint16_t ddb_index; 3064b3a271a9SManish Rangankar struct iscsi_session *sess; 3065b3a271a9SManish Rangankar struct sockaddr *dst_addr; 3066b3a271a9SManish Rangankar int ret; 3067b3a271a9SManish Rangankar 3068b3a271a9SManish Rangankar if (!ep) { 3069b3a271a9SManish Rangankar printk(KERN_ERR "qla4xxx: missing ep.\n"); 3070b3a271a9SManish Rangankar return NULL; 3071b3a271a9SManish Rangankar } 3072b3a271a9SManish Rangankar 3073b3a271a9SManish Rangankar qla_ep = ep->dd_data; 3074b3a271a9SManish Rangankar dst_addr = (struct sockaddr *)&qla_ep->dst_addr; 3075b3a271a9SManish Rangankar ha = to_qla_host(qla_ep->host); 3076c343c5e0SVikas Chaudhary DEBUG2(ql4_printk(KERN_INFO, ha, "%s: host: %ld\n", __func__, 3077c343c5e0SVikas Chaudhary ha->host_no)); 3078736cf369SManish Rangankar 307913483730SMike Christie ret = qla4xxx_get_ddb_index(ha, &ddb_index); 308013483730SMike Christie if (ret == QLA_ERROR) 3081b3a271a9SManish Rangankar return NULL; 3082b3a271a9SManish Rangankar 3083b3a271a9SManish Rangankar cls_sess = iscsi_session_setup(&qla4xxx_iscsi_transport, qla_ep->host, 3084b3a271a9SManish Rangankar cmds_max, sizeof(struct ddb_entry), 3085b3a271a9SManish Rangankar sizeof(struct ql4_task_data), 3086b3a271a9SManish Rangankar initial_cmdsn, ddb_index); 3087b3a271a9SManish Rangankar if (!cls_sess) 3088b3a271a9SManish Rangankar return NULL; 3089b3a271a9SManish Rangankar 3090b3a271a9SManish Rangankar sess = cls_sess->dd_data; 3091b3a271a9SManish Rangankar ddb_entry = sess->dd_data; 3092b3a271a9SManish Rangankar ddb_entry->fw_ddb_index = ddb_index; 3093b3a271a9SManish Rangankar ddb_entry->fw_ddb_device_state = DDB_DS_NO_CONNECTION_ACTIVE; 3094b3a271a9SManish Rangankar ddb_entry->ha = ha; 3095b3a271a9SManish Rangankar ddb_entry->sess = cls_sess; 309613483730SMike Christie ddb_entry->unblock_sess = qla4xxx_unblock_ddb; 309713483730SMike Christie ddb_entry->ddb_change = qla4xxx_ddb_change; 3098de2efea6SNilesh Javali clear_bit(DDB_CONN_CLOSE_FAILURE, &ddb_entry->flags); 3099b3a271a9SManish Rangankar cls_sess->recovery_tmo = ql4xsess_recovery_tmo; 3100b3a271a9SManish Rangankar ha->fw_ddb_index_map[ddb_entry->fw_ddb_index] = ddb_entry; 3101b3a271a9SManish Rangankar ha->tot_ddbs++; 3102b3a271a9SManish Rangankar 3103b3a271a9SManish Rangankar return cls_sess; 3104b3a271a9SManish Rangankar } 3105b3a271a9SManish Rangankar 3106b3a271a9SManish Rangankar static void qla4xxx_session_destroy(struct iscsi_cls_session *cls_sess) 3107b3a271a9SManish Rangankar { 3108b3a271a9SManish Rangankar struct iscsi_session *sess; 3109b3a271a9SManish Rangankar struct ddb_entry *ddb_entry; 3110b3a271a9SManish Rangankar struct scsi_qla_host *ha; 311190599b62SManish Rangankar unsigned long flags, wtime; 311290599b62SManish Rangankar struct dev_db_entry *fw_ddb_entry = NULL; 311390599b62SManish Rangankar dma_addr_t fw_ddb_entry_dma; 311490599b62SManish Rangankar uint32_t ddb_state; 311590599b62SManish Rangankar int ret; 3116b3a271a9SManish Rangankar 3117b3a271a9SManish Rangankar sess = cls_sess->dd_data; 3118b3a271a9SManish Rangankar ddb_entry = sess->dd_data; 3119b3a271a9SManish Rangankar ha = ddb_entry->ha; 3120c343c5e0SVikas Chaudhary DEBUG2(ql4_printk(KERN_INFO, ha, "%s: host: %ld\n", __func__, 3121c343c5e0SVikas Chaudhary ha->host_no)); 3122b3a271a9SManish Rangankar 312390599b62SManish Rangankar fw_ddb_entry = dma_alloc_coherent(&ha->pdev->dev, sizeof(*fw_ddb_entry), 312490599b62SManish Rangankar &fw_ddb_entry_dma, GFP_KERNEL); 312590599b62SManish Rangankar if (!fw_ddb_entry) { 312690599b62SManish Rangankar ql4_printk(KERN_ERR, ha, 312790599b62SManish Rangankar "%s: Unable to allocate dma buffer\n", __func__); 312890599b62SManish Rangankar goto destroy_session; 312990599b62SManish Rangankar } 313090599b62SManish Rangankar 313190599b62SManish Rangankar wtime = jiffies + (HZ * LOGOUT_TOV); 313290599b62SManish Rangankar do { 313390599b62SManish Rangankar ret = qla4xxx_get_fwddb_entry(ha, ddb_entry->fw_ddb_index, 313490599b62SManish Rangankar fw_ddb_entry, fw_ddb_entry_dma, 313590599b62SManish Rangankar NULL, NULL, &ddb_state, NULL, 313690599b62SManish Rangankar NULL, NULL); 313790599b62SManish Rangankar if (ret == QLA_ERROR) 313890599b62SManish Rangankar goto destroy_session; 313990599b62SManish Rangankar 314090599b62SManish Rangankar if ((ddb_state == DDB_DS_NO_CONNECTION_ACTIVE) || 314190599b62SManish Rangankar (ddb_state == DDB_DS_SESSION_FAILED)) 314290599b62SManish Rangankar goto destroy_session; 314390599b62SManish Rangankar 314490599b62SManish Rangankar schedule_timeout_uninterruptible(HZ); 314590599b62SManish Rangankar } while ((time_after(wtime, jiffies))); 314690599b62SManish Rangankar 314790599b62SManish Rangankar destroy_session: 3148736cf369SManish Rangankar qla4xxx_clear_ddb_entry(ha, ddb_entry->fw_ddb_index); 3149de2efea6SNilesh Javali if (test_and_clear_bit(DDB_CONN_CLOSE_FAILURE, &ddb_entry->flags)) 3150de2efea6SNilesh Javali clear_bit(ddb_entry->fw_ddb_index, ha->ddb_idx_map); 3151b3a271a9SManish Rangankar spin_lock_irqsave(&ha->hardware_lock, flags); 3152b3a271a9SManish Rangankar qla4xxx_free_ddb(ha, ddb_entry); 3153b3a271a9SManish Rangankar spin_unlock_irqrestore(&ha->hardware_lock, flags); 315490599b62SManish Rangankar 3155b3a271a9SManish Rangankar iscsi_session_teardown(cls_sess); 315690599b62SManish Rangankar 315790599b62SManish Rangankar if (fw_ddb_entry) 315890599b62SManish Rangankar dma_free_coherent(&ha->pdev->dev, sizeof(*fw_ddb_entry), 315990599b62SManish Rangankar fw_ddb_entry, fw_ddb_entry_dma); 3160b3a271a9SManish Rangankar } 3161b3a271a9SManish Rangankar 3162b3a271a9SManish Rangankar static struct iscsi_cls_conn * 3163b3a271a9SManish Rangankar qla4xxx_conn_create(struct iscsi_cls_session *cls_sess, uint32_t conn_idx) 3164b3a271a9SManish Rangankar { 3165b3a271a9SManish Rangankar struct iscsi_cls_conn *cls_conn; 3166b3a271a9SManish Rangankar struct iscsi_session *sess; 3167b3a271a9SManish Rangankar struct ddb_entry *ddb_entry; 3168c343c5e0SVikas Chaudhary struct scsi_qla_host *ha; 3169b3a271a9SManish Rangankar 3170b3a271a9SManish Rangankar cls_conn = iscsi_conn_setup(cls_sess, sizeof(struct qla_conn), 3171b3a271a9SManish Rangankar conn_idx); 3172c343c5e0SVikas Chaudhary if (!cls_conn) { 3173c343c5e0SVikas Chaudhary pr_info("%s: Can not create connection for conn_idx = %u\n", 3174c343c5e0SVikas Chaudhary __func__, conn_idx); 3175ff1d0319SMike Christie return NULL; 3176c343c5e0SVikas Chaudhary } 3177ff1d0319SMike Christie 3178b3a271a9SManish Rangankar sess = cls_sess->dd_data; 3179b3a271a9SManish Rangankar ddb_entry = sess->dd_data; 3180b3a271a9SManish Rangankar ddb_entry->conn = cls_conn; 3181b3a271a9SManish Rangankar 3182c343c5e0SVikas Chaudhary ha = ddb_entry->ha; 3183c343c5e0SVikas Chaudhary DEBUG2(ql4_printk(KERN_INFO, ha, "%s: conn_idx = %u\n", __func__, 3184c343c5e0SVikas Chaudhary conn_idx)); 3185b3a271a9SManish Rangankar return cls_conn; 3186b3a271a9SManish Rangankar } 3187b3a271a9SManish Rangankar 3188b3a271a9SManish Rangankar static int qla4xxx_conn_bind(struct iscsi_cls_session *cls_session, 3189b3a271a9SManish Rangankar struct iscsi_cls_conn *cls_conn, 3190b3a271a9SManish Rangankar uint64_t transport_fd, int is_leading) 3191b3a271a9SManish Rangankar { 3192b3a271a9SManish Rangankar struct iscsi_conn *conn; 3193b3a271a9SManish Rangankar struct qla_conn *qla_conn; 3194b3a271a9SManish Rangankar struct iscsi_endpoint *ep; 3195c343c5e0SVikas Chaudhary struct ddb_entry *ddb_entry; 3196c343c5e0SVikas Chaudhary struct scsi_qla_host *ha; 3197c343c5e0SVikas Chaudhary struct iscsi_session *sess; 3198b3a271a9SManish Rangankar 3199c343c5e0SVikas Chaudhary sess = cls_session->dd_data; 3200c343c5e0SVikas Chaudhary ddb_entry = sess->dd_data; 3201c343c5e0SVikas Chaudhary ha = ddb_entry->ha; 3202c343c5e0SVikas Chaudhary 3203c343c5e0SVikas Chaudhary DEBUG2(ql4_printk(KERN_INFO, ha, "%s: sid = %d, cid = %d\n", __func__, 3204c343c5e0SVikas Chaudhary cls_session->sid, cls_conn->cid)); 3205b3a271a9SManish Rangankar 3206b3a271a9SManish Rangankar if (iscsi_conn_bind(cls_session, cls_conn, is_leading)) 3207b3a271a9SManish Rangankar return -EINVAL; 3208b3a271a9SManish Rangankar ep = iscsi_lookup_endpoint(transport_fd); 3209b3a271a9SManish Rangankar conn = cls_conn->dd_data; 3210b3a271a9SManish Rangankar qla_conn = conn->dd_data; 3211b3a271a9SManish Rangankar qla_conn->qla_ep = ep->dd_data; 3212b3a271a9SManish Rangankar return 0; 3213b3a271a9SManish Rangankar } 3214b3a271a9SManish Rangankar 3215b3a271a9SManish Rangankar static int qla4xxx_conn_start(struct iscsi_cls_conn *cls_conn) 3216b3a271a9SManish Rangankar { 3217b3a271a9SManish Rangankar struct iscsi_cls_session *cls_sess = iscsi_conn_to_session(cls_conn); 3218b3a271a9SManish Rangankar struct iscsi_session *sess; 3219b3a271a9SManish Rangankar struct ddb_entry *ddb_entry; 3220b3a271a9SManish Rangankar struct scsi_qla_host *ha; 322113483730SMike Christie struct dev_db_entry *fw_ddb_entry = NULL; 3222b3a271a9SManish Rangankar dma_addr_t fw_ddb_entry_dma; 3223b3a271a9SManish Rangankar uint32_t mbx_sts = 0; 3224b3a271a9SManish Rangankar int ret = 0; 3225b3a271a9SManish Rangankar int status = QLA_SUCCESS; 3226b3a271a9SManish Rangankar 3227b3a271a9SManish Rangankar sess = cls_sess->dd_data; 3228b3a271a9SManish Rangankar ddb_entry = sess->dd_data; 3229b3a271a9SManish Rangankar ha = ddb_entry->ha; 3230c343c5e0SVikas Chaudhary DEBUG2(ql4_printk(KERN_INFO, ha, "%s: sid = %d, cid = %d\n", __func__, 3231c343c5e0SVikas Chaudhary cls_sess->sid, cls_conn->cid)); 3232b3a271a9SManish Rangankar 323313483730SMike Christie /* Check if we have matching FW DDB, if yes then do not 323413483730SMike Christie * login to this target. This could cause target to logout previous 323513483730SMike Christie * connection 323613483730SMike Christie */ 323713483730SMike Christie ret = qla4xxx_match_fwdb_session(ha, cls_conn); 323813483730SMike Christie if (ret == QLA_SUCCESS) { 323913483730SMike Christie ql4_printk(KERN_INFO, ha, 324013483730SMike Christie "Session already exist in FW.\n"); 324113483730SMike Christie ret = -EEXIST; 324213483730SMike Christie goto exit_conn_start; 324313483730SMike Christie } 324413483730SMike Christie 3245b3a271a9SManish Rangankar fw_ddb_entry = dma_alloc_coherent(&ha->pdev->dev, sizeof(*fw_ddb_entry), 3246b3a271a9SManish Rangankar &fw_ddb_entry_dma, GFP_KERNEL); 3247b3a271a9SManish Rangankar if (!fw_ddb_entry) { 3248b3a271a9SManish Rangankar ql4_printk(KERN_ERR, ha, 3249b3a271a9SManish Rangankar "%s: Unable to allocate dma buffer\n", __func__); 325013483730SMike Christie ret = -ENOMEM; 325113483730SMike Christie goto exit_conn_start; 3252b3a271a9SManish Rangankar } 3253b3a271a9SManish Rangankar 3254b3a271a9SManish Rangankar ret = qla4xxx_set_param_ddbentry(ha, ddb_entry, cls_conn, &mbx_sts); 3255b3a271a9SManish Rangankar if (ret) { 3256b3a271a9SManish Rangankar /* If iscsid is stopped and started then no need to do 3257b3a271a9SManish Rangankar * set param again since ddb state will be already 3258b3a271a9SManish Rangankar * active and FW does not allow set ddb to an 3259b3a271a9SManish Rangankar * active session. 3260b3a271a9SManish Rangankar */ 3261b3a271a9SManish Rangankar if (mbx_sts) 3262b3a271a9SManish Rangankar if (ddb_entry->fw_ddb_device_state == 3263f922da79SManish Rangankar DDB_DS_SESSION_ACTIVE) { 326413483730SMike Christie ddb_entry->unblock_sess(ddb_entry->sess); 3265b3a271a9SManish Rangankar goto exit_set_param; 3266f922da79SManish Rangankar } 3267b3a271a9SManish Rangankar 3268b3a271a9SManish Rangankar ql4_printk(KERN_ERR, ha, "%s: Failed set param for index[%d]\n", 3269b3a271a9SManish Rangankar __func__, ddb_entry->fw_ddb_index); 3270b3a271a9SManish Rangankar goto exit_conn_start; 3271b3a271a9SManish Rangankar } 3272b3a271a9SManish Rangankar 3273b3a271a9SManish Rangankar status = qla4xxx_conn_open(ha, ddb_entry->fw_ddb_index); 3274b3a271a9SManish Rangankar if (status == QLA_ERROR) { 32750e7e8501SManish Rangankar ql4_printk(KERN_ERR, ha, "%s: Login failed: %s\n", __func__, 32760e7e8501SManish Rangankar sess->targetname); 3277b3a271a9SManish Rangankar ret = -EINVAL; 3278b3a271a9SManish Rangankar goto exit_conn_start; 3279b3a271a9SManish Rangankar } 3280b3a271a9SManish Rangankar 328198270ab4SManish Rangankar if (ddb_entry->fw_ddb_device_state == DDB_DS_NO_CONNECTION_ACTIVE) 3282b3a271a9SManish Rangankar ddb_entry->fw_ddb_device_state = DDB_DS_LOGIN_IN_PROCESS; 3283b3a271a9SManish Rangankar 328498270ab4SManish Rangankar DEBUG2(printk(KERN_INFO "%s: DDB state [%d]\n", __func__, 328598270ab4SManish Rangankar ddb_entry->fw_ddb_device_state)); 328698270ab4SManish Rangankar 3287b3a271a9SManish Rangankar exit_set_param: 3288b3a271a9SManish Rangankar ret = 0; 3289b3a271a9SManish Rangankar 3290b3a271a9SManish Rangankar exit_conn_start: 329113483730SMike Christie if (fw_ddb_entry) 3292b3a271a9SManish Rangankar dma_free_coherent(&ha->pdev->dev, sizeof(*fw_ddb_entry), 3293b3a271a9SManish Rangankar fw_ddb_entry, fw_ddb_entry_dma); 3294b3a271a9SManish Rangankar return ret; 3295b3a271a9SManish Rangankar } 3296b3a271a9SManish Rangankar 3297b3a271a9SManish Rangankar static void qla4xxx_conn_destroy(struct iscsi_cls_conn *cls_conn) 3298b3a271a9SManish Rangankar { 3299b3a271a9SManish Rangankar struct iscsi_cls_session *cls_sess = iscsi_conn_to_session(cls_conn); 3300b3a271a9SManish Rangankar struct iscsi_session *sess; 3301b3a271a9SManish Rangankar struct scsi_qla_host *ha; 3302b3a271a9SManish Rangankar struct ddb_entry *ddb_entry; 3303b3a271a9SManish Rangankar int options; 3304b3a271a9SManish Rangankar 3305b3a271a9SManish Rangankar sess = cls_sess->dd_data; 3306b3a271a9SManish Rangankar ddb_entry = sess->dd_data; 3307b3a271a9SManish Rangankar ha = ddb_entry->ha; 3308c343c5e0SVikas Chaudhary DEBUG2(ql4_printk(KERN_INFO, ha, "%s: cid = %d\n", __func__, 3309c343c5e0SVikas Chaudhary cls_conn->cid)); 3310b3a271a9SManish Rangankar 3311b3a271a9SManish Rangankar options = LOGOUT_OPTION_CLOSE_SESSION; 3312b3a271a9SManish Rangankar if (qla4xxx_session_logout_ddb(ha, ddb_entry, options) == QLA_ERROR) 3313b3a271a9SManish Rangankar ql4_printk(KERN_ERR, ha, "%s: Logout failed\n", __func__); 3314b3a271a9SManish Rangankar } 3315b3a271a9SManish Rangankar 3316b3a271a9SManish Rangankar static void qla4xxx_task_work(struct work_struct *wdata) 3317b3a271a9SManish Rangankar { 3318b3a271a9SManish Rangankar struct ql4_task_data *task_data; 3319b3a271a9SManish Rangankar struct scsi_qla_host *ha; 3320b3a271a9SManish Rangankar struct passthru_status *sts; 3321b3a271a9SManish Rangankar struct iscsi_task *task; 3322b3a271a9SManish Rangankar struct iscsi_hdr *hdr; 3323b3a271a9SManish Rangankar uint8_t *data; 3324b3a271a9SManish Rangankar uint32_t data_len; 3325b3a271a9SManish Rangankar struct iscsi_conn *conn; 3326b3a271a9SManish Rangankar int hdr_len; 3327b3a271a9SManish Rangankar itt_t itt; 3328b3a271a9SManish Rangankar 3329b3a271a9SManish Rangankar task_data = container_of(wdata, struct ql4_task_data, task_work); 3330b3a271a9SManish Rangankar ha = task_data->ha; 3331b3a271a9SManish Rangankar task = task_data->task; 3332b3a271a9SManish Rangankar sts = &task_data->sts; 3333b3a271a9SManish Rangankar hdr_len = sizeof(struct iscsi_hdr); 3334b3a271a9SManish Rangankar 3335b3a271a9SManish Rangankar DEBUG3(printk(KERN_INFO "Status returned\n")); 3336b3a271a9SManish Rangankar DEBUG3(qla4xxx_dump_buffer(sts, 64)); 3337b3a271a9SManish Rangankar DEBUG3(printk(KERN_INFO "Response buffer")); 3338b3a271a9SManish Rangankar DEBUG3(qla4xxx_dump_buffer(task_data->resp_buffer, 64)); 3339b3a271a9SManish Rangankar 3340b3a271a9SManish Rangankar conn = task->conn; 3341b3a271a9SManish Rangankar 3342b3a271a9SManish Rangankar switch (sts->completionStatus) { 3343b3a271a9SManish Rangankar case PASSTHRU_STATUS_COMPLETE: 3344b3a271a9SManish Rangankar hdr = (struct iscsi_hdr *)task_data->resp_buffer; 3345b3a271a9SManish Rangankar /* Assign back the itt in hdr, until we use the PREASSIGN_TAG */ 3346b3a271a9SManish Rangankar itt = sts->handle; 3347b3a271a9SManish Rangankar hdr->itt = itt; 3348b3a271a9SManish Rangankar data = task_data->resp_buffer + hdr_len; 3349b3a271a9SManish Rangankar data_len = task_data->resp_len - hdr_len; 3350b3a271a9SManish Rangankar iscsi_complete_pdu(conn, hdr, data, data_len); 3351b3a271a9SManish Rangankar break; 3352b3a271a9SManish Rangankar default: 3353b3a271a9SManish Rangankar ql4_printk(KERN_ERR, ha, "Passthru failed status = 0x%x\n", 3354b3a271a9SManish Rangankar sts->completionStatus); 3355b3a271a9SManish Rangankar break; 3356b3a271a9SManish Rangankar } 3357b3a271a9SManish Rangankar return; 3358b3a271a9SManish Rangankar } 3359b3a271a9SManish Rangankar 3360b3a271a9SManish Rangankar static int qla4xxx_alloc_pdu(struct iscsi_task *task, uint8_t opcode) 3361b3a271a9SManish Rangankar { 3362b3a271a9SManish Rangankar struct ql4_task_data *task_data; 3363b3a271a9SManish Rangankar struct iscsi_session *sess; 3364b3a271a9SManish Rangankar struct ddb_entry *ddb_entry; 3365b3a271a9SManish Rangankar struct scsi_qla_host *ha; 3366b3a271a9SManish Rangankar int hdr_len; 3367b3a271a9SManish Rangankar 3368b3a271a9SManish Rangankar sess = task->conn->session; 3369b3a271a9SManish Rangankar ddb_entry = sess->dd_data; 3370b3a271a9SManish Rangankar ha = ddb_entry->ha; 3371b3a271a9SManish Rangankar task_data = task->dd_data; 3372b3a271a9SManish Rangankar memset(task_data, 0, sizeof(struct ql4_task_data)); 3373b3a271a9SManish Rangankar 3374b3a271a9SManish Rangankar if (task->sc) { 3375b3a271a9SManish Rangankar ql4_printk(KERN_INFO, ha, 3376b3a271a9SManish Rangankar "%s: SCSI Commands not implemented\n", __func__); 3377b3a271a9SManish Rangankar return -EINVAL; 3378b3a271a9SManish Rangankar } 3379b3a271a9SManish Rangankar 3380b3a271a9SManish Rangankar hdr_len = sizeof(struct iscsi_hdr); 3381b3a271a9SManish Rangankar task_data->ha = ha; 3382b3a271a9SManish Rangankar task_data->task = task; 3383b3a271a9SManish Rangankar 3384b3a271a9SManish Rangankar if (task->data_count) { 3385b3a271a9SManish Rangankar task_data->data_dma = dma_map_single(&ha->pdev->dev, task->data, 3386b3a271a9SManish Rangankar task->data_count, 3387b3a271a9SManish Rangankar PCI_DMA_TODEVICE); 3388b3a271a9SManish Rangankar } 3389b3a271a9SManish Rangankar 3390b3a271a9SManish Rangankar DEBUG2(ql4_printk(KERN_INFO, ha, "%s: MaxRecvLen %u, iscsi hrd %d\n", 3391b3a271a9SManish Rangankar __func__, task->conn->max_recv_dlength, hdr_len)); 3392b3a271a9SManish Rangankar 339369ca216eSManish Rangankar task_data->resp_len = task->conn->max_recv_dlength + hdr_len; 3394b3a271a9SManish Rangankar task_data->resp_buffer = dma_alloc_coherent(&ha->pdev->dev, 3395b3a271a9SManish Rangankar task_data->resp_len, 3396b3a271a9SManish Rangankar &task_data->resp_dma, 3397b3a271a9SManish Rangankar GFP_ATOMIC); 3398b3a271a9SManish Rangankar if (!task_data->resp_buffer) 3399b3a271a9SManish Rangankar goto exit_alloc_pdu; 3400b3a271a9SManish Rangankar 340169ca216eSManish Rangankar task_data->req_len = task->data_count + hdr_len; 3402b3a271a9SManish Rangankar task_data->req_buffer = dma_alloc_coherent(&ha->pdev->dev, 340369ca216eSManish Rangankar task_data->req_len, 3404b3a271a9SManish Rangankar &task_data->req_dma, 3405b3a271a9SManish Rangankar GFP_ATOMIC); 3406b3a271a9SManish Rangankar if (!task_data->req_buffer) 3407b3a271a9SManish Rangankar goto exit_alloc_pdu; 3408b3a271a9SManish Rangankar 3409b3a271a9SManish Rangankar task->hdr = task_data->req_buffer; 3410b3a271a9SManish Rangankar 3411b3a271a9SManish Rangankar INIT_WORK(&task_data->task_work, qla4xxx_task_work); 3412b3a271a9SManish Rangankar 3413b3a271a9SManish Rangankar return 0; 3414b3a271a9SManish Rangankar 3415b3a271a9SManish Rangankar exit_alloc_pdu: 3416b3a271a9SManish Rangankar if (task_data->resp_buffer) 3417b3a271a9SManish Rangankar dma_free_coherent(&ha->pdev->dev, task_data->resp_len, 3418b3a271a9SManish Rangankar task_data->resp_buffer, task_data->resp_dma); 3419b3a271a9SManish Rangankar 3420b3a271a9SManish Rangankar if (task_data->req_buffer) 342169ca216eSManish Rangankar dma_free_coherent(&ha->pdev->dev, task_data->req_len, 3422b3a271a9SManish Rangankar task_data->req_buffer, task_data->req_dma); 3423b3a271a9SManish Rangankar return -ENOMEM; 3424b3a271a9SManish Rangankar } 3425b3a271a9SManish Rangankar 3426b3a271a9SManish Rangankar static void qla4xxx_task_cleanup(struct iscsi_task *task) 3427b3a271a9SManish Rangankar { 3428b3a271a9SManish Rangankar struct ql4_task_data *task_data; 3429b3a271a9SManish Rangankar struct iscsi_session *sess; 3430b3a271a9SManish Rangankar struct ddb_entry *ddb_entry; 3431b3a271a9SManish Rangankar struct scsi_qla_host *ha; 3432b3a271a9SManish Rangankar int hdr_len; 3433b3a271a9SManish Rangankar 3434b3a271a9SManish Rangankar hdr_len = sizeof(struct iscsi_hdr); 3435b3a271a9SManish Rangankar sess = task->conn->session; 3436b3a271a9SManish Rangankar ddb_entry = sess->dd_data; 3437b3a271a9SManish Rangankar ha = ddb_entry->ha; 3438b3a271a9SManish Rangankar task_data = task->dd_data; 3439b3a271a9SManish Rangankar 3440b3a271a9SManish Rangankar if (task->data_count) { 3441b3a271a9SManish Rangankar dma_unmap_single(&ha->pdev->dev, task_data->data_dma, 3442b3a271a9SManish Rangankar task->data_count, PCI_DMA_TODEVICE); 3443b3a271a9SManish Rangankar } 3444b3a271a9SManish Rangankar 3445b3a271a9SManish Rangankar DEBUG2(ql4_printk(KERN_INFO, ha, "%s: MaxRecvLen %u, iscsi hrd %d\n", 3446b3a271a9SManish Rangankar __func__, task->conn->max_recv_dlength, hdr_len)); 3447b3a271a9SManish Rangankar 3448b3a271a9SManish Rangankar dma_free_coherent(&ha->pdev->dev, task_data->resp_len, 3449b3a271a9SManish Rangankar task_data->resp_buffer, task_data->resp_dma); 345069ca216eSManish Rangankar dma_free_coherent(&ha->pdev->dev, task_data->req_len, 3451b3a271a9SManish Rangankar task_data->req_buffer, task_data->req_dma); 3452b3a271a9SManish Rangankar return; 3453b3a271a9SManish Rangankar } 3454b3a271a9SManish Rangankar 3455b3a271a9SManish Rangankar static int qla4xxx_task_xmit(struct iscsi_task *task) 3456b3a271a9SManish Rangankar { 3457b3a271a9SManish Rangankar struct scsi_cmnd *sc = task->sc; 3458b3a271a9SManish Rangankar struct iscsi_session *sess = task->conn->session; 3459b3a271a9SManish Rangankar struct ddb_entry *ddb_entry = sess->dd_data; 3460b3a271a9SManish Rangankar struct scsi_qla_host *ha = ddb_entry->ha; 3461b3a271a9SManish Rangankar 3462b3a271a9SManish Rangankar if (!sc) 3463b3a271a9SManish Rangankar return qla4xxx_send_passthru0(task); 3464b3a271a9SManish Rangankar 3465b3a271a9SManish Rangankar ql4_printk(KERN_INFO, ha, "%s: scsi cmd xmit not implemented\n", 3466b3a271a9SManish Rangankar __func__); 3467b3a271a9SManish Rangankar return -ENOSYS; 3468b3a271a9SManish Rangankar } 3469b3a271a9SManish Rangankar 34701e9e2be3SAdheer Chandravanshi static int qla4xxx_copy_from_fwddb_param(struct iscsi_bus_flash_session *sess, 34711e9e2be3SAdheer Chandravanshi struct iscsi_bus_flash_conn *conn, 34721e9e2be3SAdheer Chandravanshi struct dev_db_entry *fw_ddb_entry) 34731e9e2be3SAdheer Chandravanshi { 34741e9e2be3SAdheer Chandravanshi unsigned long options = 0; 34751e9e2be3SAdheer Chandravanshi int rc = 0; 34761e9e2be3SAdheer Chandravanshi 34771e9e2be3SAdheer Chandravanshi options = le16_to_cpu(fw_ddb_entry->options); 34781e9e2be3SAdheer Chandravanshi conn->is_fw_assigned_ipv6 = test_bit(OPT_IS_FW_ASSIGNED_IPV6, &options); 34791e9e2be3SAdheer Chandravanshi if (test_bit(OPT_IPV6_DEVICE, &options)) { 3480c962c18bSAdheer Chandravanshi rc = iscsi_switch_str_param(&sess->portal_type, 3481c962c18bSAdheer Chandravanshi PORTAL_TYPE_IPV6); 34821e9e2be3SAdheer Chandravanshi if (rc) 34831e9e2be3SAdheer Chandravanshi goto exit_copy; 34841e9e2be3SAdheer Chandravanshi } else { 3485c962c18bSAdheer Chandravanshi rc = iscsi_switch_str_param(&sess->portal_type, 3486c962c18bSAdheer Chandravanshi PORTAL_TYPE_IPV4); 34871e9e2be3SAdheer Chandravanshi if (rc) 34881e9e2be3SAdheer Chandravanshi goto exit_copy; 34891e9e2be3SAdheer Chandravanshi } 34901e9e2be3SAdheer Chandravanshi 34911e9e2be3SAdheer Chandravanshi sess->auto_snd_tgt_disable = test_bit(OPT_AUTO_SENDTGTS_DISABLE, 34921e9e2be3SAdheer Chandravanshi &options); 34931e9e2be3SAdheer Chandravanshi sess->discovery_sess = test_bit(OPT_DISC_SESSION, &options); 34941e9e2be3SAdheer Chandravanshi sess->entry_state = test_bit(OPT_ENTRY_STATE, &options); 34951e9e2be3SAdheer Chandravanshi 34961e9e2be3SAdheer Chandravanshi options = le16_to_cpu(fw_ddb_entry->iscsi_options); 34971e9e2be3SAdheer Chandravanshi conn->hdrdgst_en = test_bit(ISCSIOPT_HEADER_DIGEST_EN, &options); 34981e9e2be3SAdheer Chandravanshi conn->datadgst_en = test_bit(ISCSIOPT_DATA_DIGEST_EN, &options); 34991e9e2be3SAdheer Chandravanshi sess->imm_data_en = test_bit(ISCSIOPT_IMMEDIATE_DATA_EN, &options); 35001e9e2be3SAdheer Chandravanshi sess->initial_r2t_en = test_bit(ISCSIOPT_INITIAL_R2T_EN, &options); 35011e9e2be3SAdheer Chandravanshi sess->dataseq_inorder_en = test_bit(ISCSIOPT_DATA_SEQ_IN_ORDER, 35021e9e2be3SAdheer Chandravanshi &options); 35031e9e2be3SAdheer Chandravanshi sess->pdu_inorder_en = test_bit(ISCSIOPT_DATA_PDU_IN_ORDER, &options); 35041e9e2be3SAdheer Chandravanshi sess->chap_auth_en = test_bit(ISCSIOPT_CHAP_AUTH_EN, &options); 35051e9e2be3SAdheer Chandravanshi conn->snack_req_en = test_bit(ISCSIOPT_SNACK_REQ_EN, &options); 35061e9e2be3SAdheer Chandravanshi sess->discovery_logout_en = test_bit(ISCSIOPT_DISCOVERY_LOGOUT_EN, 35071e9e2be3SAdheer Chandravanshi &options); 35081e9e2be3SAdheer Chandravanshi sess->bidi_chap_en = test_bit(ISCSIOPT_BIDI_CHAP_EN, &options); 35091e9e2be3SAdheer Chandravanshi sess->discovery_auth_optional = 35101e9e2be3SAdheer Chandravanshi test_bit(ISCSIOPT_DISCOVERY_AUTH_OPTIONAL, &options); 35111e9e2be3SAdheer Chandravanshi if (test_bit(ISCSIOPT_ERL1, &options)) 35121e9e2be3SAdheer Chandravanshi sess->erl |= BIT_1; 35131e9e2be3SAdheer Chandravanshi if (test_bit(ISCSIOPT_ERL0, &options)) 35141e9e2be3SAdheer Chandravanshi sess->erl |= BIT_0; 35151e9e2be3SAdheer Chandravanshi 35161e9e2be3SAdheer Chandravanshi options = le16_to_cpu(fw_ddb_entry->tcp_options); 35171e9e2be3SAdheer Chandravanshi conn->tcp_timestamp_stat = test_bit(TCPOPT_TIMESTAMP_STAT, &options); 35181e9e2be3SAdheer Chandravanshi conn->tcp_nagle_disable = test_bit(TCPOPT_NAGLE_DISABLE, &options); 35191e9e2be3SAdheer Chandravanshi conn->tcp_wsf_disable = test_bit(TCPOPT_WSF_DISABLE, &options); 35201e9e2be3SAdheer Chandravanshi if (test_bit(TCPOPT_TIMER_SCALE3, &options)) 35211e9e2be3SAdheer Chandravanshi conn->tcp_timer_scale |= BIT_3; 35221e9e2be3SAdheer Chandravanshi if (test_bit(TCPOPT_TIMER_SCALE2, &options)) 35231e9e2be3SAdheer Chandravanshi conn->tcp_timer_scale |= BIT_2; 35241e9e2be3SAdheer Chandravanshi if (test_bit(TCPOPT_TIMER_SCALE1, &options)) 35251e9e2be3SAdheer Chandravanshi conn->tcp_timer_scale |= BIT_1; 35261e9e2be3SAdheer Chandravanshi 35271e9e2be3SAdheer Chandravanshi conn->tcp_timer_scale >>= 1; 35281e9e2be3SAdheer Chandravanshi conn->tcp_timestamp_en = test_bit(TCPOPT_TIMESTAMP_EN, &options); 35291e9e2be3SAdheer Chandravanshi 35301e9e2be3SAdheer Chandravanshi options = le16_to_cpu(fw_ddb_entry->ip_options); 35311e9e2be3SAdheer Chandravanshi conn->fragment_disable = test_bit(IPOPT_FRAGMENT_DISABLE, &options); 35321e9e2be3SAdheer Chandravanshi 35331e9e2be3SAdheer Chandravanshi conn->max_recv_dlength = BYTE_UNITS * 35341e9e2be3SAdheer Chandravanshi le16_to_cpu(fw_ddb_entry->iscsi_max_rcv_data_seg_len); 35351e9e2be3SAdheer Chandravanshi conn->max_xmit_dlength = BYTE_UNITS * 35361e9e2be3SAdheer Chandravanshi le16_to_cpu(fw_ddb_entry->iscsi_max_snd_data_seg_len); 35371e9e2be3SAdheer Chandravanshi sess->first_burst = BYTE_UNITS * 35381e9e2be3SAdheer Chandravanshi le16_to_cpu(fw_ddb_entry->iscsi_first_burst_len); 35391e9e2be3SAdheer Chandravanshi sess->max_burst = BYTE_UNITS * 35401e9e2be3SAdheer Chandravanshi le16_to_cpu(fw_ddb_entry->iscsi_max_burst_len); 35411e9e2be3SAdheer Chandravanshi sess->max_r2t = le16_to_cpu(fw_ddb_entry->iscsi_max_outsnd_r2t); 35421e9e2be3SAdheer Chandravanshi sess->time2wait = le16_to_cpu(fw_ddb_entry->iscsi_def_time2wait); 35431e9e2be3SAdheer Chandravanshi sess->time2retain = le16_to_cpu(fw_ddb_entry->iscsi_def_time2retain); 35441e9e2be3SAdheer Chandravanshi sess->tpgt = le32_to_cpu(fw_ddb_entry->tgt_portal_grp); 35451e9e2be3SAdheer Chandravanshi conn->max_segment_size = le16_to_cpu(fw_ddb_entry->mss); 35461e9e2be3SAdheer Chandravanshi conn->tcp_xmit_wsf = fw_ddb_entry->tcp_xmt_wsf; 35471e9e2be3SAdheer Chandravanshi conn->tcp_recv_wsf = fw_ddb_entry->tcp_rcv_wsf; 35481e9e2be3SAdheer Chandravanshi conn->ipv6_flow_label = le16_to_cpu(fw_ddb_entry->ipv6_flow_lbl); 35491e9e2be3SAdheer Chandravanshi conn->keepalive_timeout = le16_to_cpu(fw_ddb_entry->ka_timeout); 35501e9e2be3SAdheer Chandravanshi conn->local_port = le16_to_cpu(fw_ddb_entry->lcl_port); 35511e9e2be3SAdheer Chandravanshi conn->statsn = le32_to_cpu(fw_ddb_entry->stat_sn); 35521e9e2be3SAdheer Chandravanshi conn->exp_statsn = le32_to_cpu(fw_ddb_entry->exp_stat_sn); 35531e9e2be3SAdheer Chandravanshi sess->discovery_parent_idx = le16_to_cpu(fw_ddb_entry->ddb_link); 35541e9e2be3SAdheer Chandravanshi sess->discovery_parent_type = le16_to_cpu(fw_ddb_entry->ddb_link); 35551e9e2be3SAdheer Chandravanshi sess->chap_out_idx = le16_to_cpu(fw_ddb_entry->chap_tbl_idx); 35561e9e2be3SAdheer Chandravanshi sess->tsid = le16_to_cpu(fw_ddb_entry->tsid); 35571e9e2be3SAdheer Chandravanshi 35581e9e2be3SAdheer Chandravanshi sess->default_taskmgmt_timeout = 35591e9e2be3SAdheer Chandravanshi le16_to_cpu(fw_ddb_entry->def_timeout); 35601e9e2be3SAdheer Chandravanshi conn->port = le16_to_cpu(fw_ddb_entry->port); 35611e9e2be3SAdheer Chandravanshi 35621e9e2be3SAdheer Chandravanshi options = le16_to_cpu(fw_ddb_entry->options); 35631e9e2be3SAdheer Chandravanshi conn->ipaddress = kzalloc(IPv6_ADDR_LEN, GFP_KERNEL); 35641e9e2be3SAdheer Chandravanshi if (!conn->ipaddress) { 35651e9e2be3SAdheer Chandravanshi rc = -ENOMEM; 35661e9e2be3SAdheer Chandravanshi goto exit_copy; 35671e9e2be3SAdheer Chandravanshi } 35681e9e2be3SAdheer Chandravanshi 35691e9e2be3SAdheer Chandravanshi conn->redirect_ipaddr = kzalloc(IPv6_ADDR_LEN, GFP_KERNEL); 35701e9e2be3SAdheer Chandravanshi if (!conn->redirect_ipaddr) { 35711e9e2be3SAdheer Chandravanshi rc = -ENOMEM; 35721e9e2be3SAdheer Chandravanshi goto exit_copy; 35731e9e2be3SAdheer Chandravanshi } 35741e9e2be3SAdheer Chandravanshi 35751e9e2be3SAdheer Chandravanshi memcpy(conn->ipaddress, fw_ddb_entry->ip_addr, IPv6_ADDR_LEN); 35761e9e2be3SAdheer Chandravanshi memcpy(conn->redirect_ipaddr, fw_ddb_entry->tgt_addr, IPv6_ADDR_LEN); 35771e9e2be3SAdheer Chandravanshi 35781e9e2be3SAdheer Chandravanshi if (test_bit(OPT_IPV6_DEVICE, &options)) { 35791e9e2be3SAdheer Chandravanshi conn->ipv6_traffic_class = fw_ddb_entry->ipv4_tos; 35801e9e2be3SAdheer Chandravanshi 35813d30b439SBenoit Taine conn->link_local_ipv6_addr = kmemdup( 35823d30b439SBenoit Taine fw_ddb_entry->link_local_ipv6_addr, 35833d30b439SBenoit Taine IPv6_ADDR_LEN, GFP_KERNEL); 35841e9e2be3SAdheer Chandravanshi if (!conn->link_local_ipv6_addr) { 35851e9e2be3SAdheer Chandravanshi rc = -ENOMEM; 35861e9e2be3SAdheer Chandravanshi goto exit_copy; 35871e9e2be3SAdheer Chandravanshi } 35881e9e2be3SAdheer Chandravanshi } else { 35891e9e2be3SAdheer Chandravanshi conn->ipv4_tos = fw_ddb_entry->ipv4_tos; 35901e9e2be3SAdheer Chandravanshi } 35911e9e2be3SAdheer Chandravanshi 35921e9e2be3SAdheer Chandravanshi if (fw_ddb_entry->iscsi_name[0]) { 35931e9e2be3SAdheer Chandravanshi rc = iscsi_switch_str_param(&sess->targetname, 35941e9e2be3SAdheer Chandravanshi (char *)fw_ddb_entry->iscsi_name); 35951e9e2be3SAdheer Chandravanshi if (rc) 35961e9e2be3SAdheer Chandravanshi goto exit_copy; 35971e9e2be3SAdheer Chandravanshi } 35981e9e2be3SAdheer Chandravanshi 35991e9e2be3SAdheer Chandravanshi if (fw_ddb_entry->iscsi_alias[0]) { 36001e9e2be3SAdheer Chandravanshi rc = iscsi_switch_str_param(&sess->targetalias, 36011e9e2be3SAdheer Chandravanshi (char *)fw_ddb_entry->iscsi_alias); 36021e9e2be3SAdheer Chandravanshi if (rc) 36031e9e2be3SAdheer Chandravanshi goto exit_copy; 36041e9e2be3SAdheer Chandravanshi } 36051e9e2be3SAdheer Chandravanshi 36061e9e2be3SAdheer Chandravanshi COPY_ISID(sess->isid, fw_ddb_entry->isid); 36071e9e2be3SAdheer Chandravanshi 36081e9e2be3SAdheer Chandravanshi exit_copy: 36091e9e2be3SAdheer Chandravanshi return rc; 36101e9e2be3SAdheer Chandravanshi } 36111e9e2be3SAdheer Chandravanshi 36121e9e2be3SAdheer Chandravanshi static int qla4xxx_copy_to_fwddb_param(struct iscsi_bus_flash_session *sess, 36131e9e2be3SAdheer Chandravanshi struct iscsi_bus_flash_conn *conn, 36141e9e2be3SAdheer Chandravanshi struct dev_db_entry *fw_ddb_entry) 36151e9e2be3SAdheer Chandravanshi { 36161e9e2be3SAdheer Chandravanshi uint16_t options; 36171e9e2be3SAdheer Chandravanshi int rc = 0; 36181e9e2be3SAdheer Chandravanshi 36191e9e2be3SAdheer Chandravanshi options = le16_to_cpu(fw_ddb_entry->options); 36201e9e2be3SAdheer Chandravanshi SET_BITVAL(conn->is_fw_assigned_ipv6, options, BIT_11); 3621c962c18bSAdheer Chandravanshi if (!strncmp(sess->portal_type, PORTAL_TYPE_IPV6, 4)) 36221e9e2be3SAdheer Chandravanshi options |= BIT_8; 36231e9e2be3SAdheer Chandravanshi else 36241e9e2be3SAdheer Chandravanshi options &= ~BIT_8; 36251e9e2be3SAdheer Chandravanshi 36261e9e2be3SAdheer Chandravanshi SET_BITVAL(sess->auto_snd_tgt_disable, options, BIT_6); 36271e9e2be3SAdheer Chandravanshi SET_BITVAL(sess->discovery_sess, options, BIT_4); 36281e9e2be3SAdheer Chandravanshi SET_BITVAL(sess->entry_state, options, BIT_3); 36291e9e2be3SAdheer Chandravanshi fw_ddb_entry->options = cpu_to_le16(options); 36301e9e2be3SAdheer Chandravanshi 36311e9e2be3SAdheer Chandravanshi options = le16_to_cpu(fw_ddb_entry->iscsi_options); 36321e9e2be3SAdheer Chandravanshi SET_BITVAL(conn->hdrdgst_en, options, BIT_13); 36331e9e2be3SAdheer Chandravanshi SET_BITVAL(conn->datadgst_en, options, BIT_12); 36341e9e2be3SAdheer Chandravanshi SET_BITVAL(sess->imm_data_en, options, BIT_11); 36351e9e2be3SAdheer Chandravanshi SET_BITVAL(sess->initial_r2t_en, options, BIT_10); 36361e9e2be3SAdheer Chandravanshi SET_BITVAL(sess->dataseq_inorder_en, options, BIT_9); 36371e9e2be3SAdheer Chandravanshi SET_BITVAL(sess->pdu_inorder_en, options, BIT_8); 36381e9e2be3SAdheer Chandravanshi SET_BITVAL(sess->chap_auth_en, options, BIT_7); 36391e9e2be3SAdheer Chandravanshi SET_BITVAL(conn->snack_req_en, options, BIT_6); 36401e9e2be3SAdheer Chandravanshi SET_BITVAL(sess->discovery_logout_en, options, BIT_5); 36411e9e2be3SAdheer Chandravanshi SET_BITVAL(sess->bidi_chap_en, options, BIT_4); 36421e9e2be3SAdheer Chandravanshi SET_BITVAL(sess->discovery_auth_optional, options, BIT_3); 36431e9e2be3SAdheer Chandravanshi SET_BITVAL(sess->erl & BIT_1, options, BIT_1); 36441e9e2be3SAdheer Chandravanshi SET_BITVAL(sess->erl & BIT_0, options, BIT_0); 36451e9e2be3SAdheer Chandravanshi fw_ddb_entry->iscsi_options = cpu_to_le16(options); 36461e9e2be3SAdheer Chandravanshi 36471e9e2be3SAdheer Chandravanshi options = le16_to_cpu(fw_ddb_entry->tcp_options); 36481e9e2be3SAdheer Chandravanshi SET_BITVAL(conn->tcp_timestamp_stat, options, BIT_6); 36491e9e2be3SAdheer Chandravanshi SET_BITVAL(conn->tcp_nagle_disable, options, BIT_5); 36501e9e2be3SAdheer Chandravanshi SET_BITVAL(conn->tcp_wsf_disable, options, BIT_4); 36511e9e2be3SAdheer Chandravanshi SET_BITVAL(conn->tcp_timer_scale & BIT_2, options, BIT_3); 36521e9e2be3SAdheer Chandravanshi SET_BITVAL(conn->tcp_timer_scale & BIT_1, options, BIT_2); 36531e9e2be3SAdheer Chandravanshi SET_BITVAL(conn->tcp_timer_scale & BIT_0, options, BIT_1); 36541e9e2be3SAdheer Chandravanshi SET_BITVAL(conn->tcp_timestamp_en, options, BIT_0); 36551e9e2be3SAdheer Chandravanshi fw_ddb_entry->tcp_options = cpu_to_le16(options); 36561e9e2be3SAdheer Chandravanshi 36571e9e2be3SAdheer Chandravanshi options = le16_to_cpu(fw_ddb_entry->ip_options); 36581e9e2be3SAdheer Chandravanshi SET_BITVAL(conn->fragment_disable, options, BIT_4); 36591e9e2be3SAdheer Chandravanshi fw_ddb_entry->ip_options = cpu_to_le16(options); 36601e9e2be3SAdheer Chandravanshi 36611e9e2be3SAdheer Chandravanshi fw_ddb_entry->iscsi_max_outsnd_r2t = cpu_to_le16(sess->max_r2t); 36621e9e2be3SAdheer Chandravanshi fw_ddb_entry->iscsi_max_rcv_data_seg_len = 36631e9e2be3SAdheer Chandravanshi cpu_to_le16(conn->max_recv_dlength / BYTE_UNITS); 36641e9e2be3SAdheer Chandravanshi fw_ddb_entry->iscsi_max_snd_data_seg_len = 36651e9e2be3SAdheer Chandravanshi cpu_to_le16(conn->max_xmit_dlength / BYTE_UNITS); 36661e9e2be3SAdheer Chandravanshi fw_ddb_entry->iscsi_first_burst_len = 36671e9e2be3SAdheer Chandravanshi cpu_to_le16(sess->first_burst / BYTE_UNITS); 36681e9e2be3SAdheer Chandravanshi fw_ddb_entry->iscsi_max_burst_len = cpu_to_le16(sess->max_burst / 36691e9e2be3SAdheer Chandravanshi BYTE_UNITS); 36701e9e2be3SAdheer Chandravanshi fw_ddb_entry->iscsi_def_time2wait = cpu_to_le16(sess->time2wait); 36711e9e2be3SAdheer Chandravanshi fw_ddb_entry->iscsi_def_time2retain = cpu_to_le16(sess->time2retain); 36721e9e2be3SAdheer Chandravanshi fw_ddb_entry->tgt_portal_grp = cpu_to_le16(sess->tpgt); 36731e9e2be3SAdheer Chandravanshi fw_ddb_entry->mss = cpu_to_le16(conn->max_segment_size); 3674fbcd4836SAdheer Chandravanshi fw_ddb_entry->tcp_xmt_wsf = (uint8_t) cpu_to_le32(conn->tcp_xmit_wsf); 3675fbcd4836SAdheer Chandravanshi fw_ddb_entry->tcp_rcv_wsf = (uint8_t) cpu_to_le32(conn->tcp_recv_wsf); 36761e9e2be3SAdheer Chandravanshi fw_ddb_entry->ipv6_flow_lbl = cpu_to_le16(conn->ipv6_flow_label); 36771e9e2be3SAdheer Chandravanshi fw_ddb_entry->ka_timeout = cpu_to_le16(conn->keepalive_timeout); 36781e9e2be3SAdheer Chandravanshi fw_ddb_entry->lcl_port = cpu_to_le16(conn->local_port); 3679fbcd4836SAdheer Chandravanshi fw_ddb_entry->stat_sn = cpu_to_le32(conn->statsn); 3680fbcd4836SAdheer Chandravanshi fw_ddb_entry->exp_stat_sn = cpu_to_le32(conn->exp_statsn); 368165560166SAdheer Chandravanshi fw_ddb_entry->ddb_link = cpu_to_le16(sess->discovery_parent_idx); 36821e9e2be3SAdheer Chandravanshi fw_ddb_entry->chap_tbl_idx = cpu_to_le16(sess->chap_out_idx); 36831e9e2be3SAdheer Chandravanshi fw_ddb_entry->tsid = cpu_to_le16(sess->tsid); 36841e9e2be3SAdheer Chandravanshi fw_ddb_entry->port = cpu_to_le16(conn->port); 36851e9e2be3SAdheer Chandravanshi fw_ddb_entry->def_timeout = 36861e9e2be3SAdheer Chandravanshi cpu_to_le16(sess->default_taskmgmt_timeout); 36871e9e2be3SAdheer Chandravanshi 368884595802SAdheer Chandravanshi if (!strncmp(sess->portal_type, PORTAL_TYPE_IPV6, 4)) 368984595802SAdheer Chandravanshi fw_ddb_entry->ipv4_tos = conn->ipv6_traffic_class; 369084595802SAdheer Chandravanshi else 369184595802SAdheer Chandravanshi fw_ddb_entry->ipv4_tos = conn->ipv4_tos; 369284595802SAdheer Chandravanshi 36931e9e2be3SAdheer Chandravanshi if (conn->ipaddress) 36941e9e2be3SAdheer Chandravanshi memcpy(fw_ddb_entry->ip_addr, conn->ipaddress, 36951e9e2be3SAdheer Chandravanshi sizeof(fw_ddb_entry->ip_addr)); 36961e9e2be3SAdheer Chandravanshi 36971e9e2be3SAdheer Chandravanshi if (conn->redirect_ipaddr) 36981e9e2be3SAdheer Chandravanshi memcpy(fw_ddb_entry->tgt_addr, conn->redirect_ipaddr, 36991e9e2be3SAdheer Chandravanshi sizeof(fw_ddb_entry->tgt_addr)); 37001e9e2be3SAdheer Chandravanshi 37011e9e2be3SAdheer Chandravanshi if (conn->link_local_ipv6_addr) 37021e9e2be3SAdheer Chandravanshi memcpy(fw_ddb_entry->link_local_ipv6_addr, 37031e9e2be3SAdheer Chandravanshi conn->link_local_ipv6_addr, 37041e9e2be3SAdheer Chandravanshi sizeof(fw_ddb_entry->link_local_ipv6_addr)); 37051e9e2be3SAdheer Chandravanshi 37061e9e2be3SAdheer Chandravanshi if (sess->targetname) 37071e9e2be3SAdheer Chandravanshi memcpy(fw_ddb_entry->iscsi_name, sess->targetname, 37081e9e2be3SAdheer Chandravanshi sizeof(fw_ddb_entry->iscsi_name)); 37091e9e2be3SAdheer Chandravanshi 37101e9e2be3SAdheer Chandravanshi if (sess->targetalias) 37111e9e2be3SAdheer Chandravanshi memcpy(fw_ddb_entry->iscsi_alias, sess->targetalias, 37121e9e2be3SAdheer Chandravanshi sizeof(fw_ddb_entry->iscsi_alias)); 37131e9e2be3SAdheer Chandravanshi 37141e9e2be3SAdheer Chandravanshi COPY_ISID(fw_ddb_entry->isid, sess->isid); 37151e9e2be3SAdheer Chandravanshi 37161e9e2be3SAdheer Chandravanshi return rc; 37171e9e2be3SAdheer Chandravanshi } 37181e9e2be3SAdheer Chandravanshi 37198cc91d42SAdheer Chandravanshi static void qla4xxx_copy_to_sess_conn_params(struct iscsi_conn *conn, 37208cc91d42SAdheer Chandravanshi struct iscsi_session *sess, 37218cc91d42SAdheer Chandravanshi struct dev_db_entry *fw_ddb_entry) 37228cc91d42SAdheer Chandravanshi { 37238cc91d42SAdheer Chandravanshi unsigned long options = 0; 37248cc91d42SAdheer Chandravanshi uint16_t ddb_link; 37258cc91d42SAdheer Chandravanshi uint16_t disc_parent; 3726fb734ee3SAdheer Chandravanshi char ip_addr[DDB_IPADDR_LEN]; 37278cc91d42SAdheer Chandravanshi 37288cc91d42SAdheer Chandravanshi options = le16_to_cpu(fw_ddb_entry->options); 37298cc91d42SAdheer Chandravanshi conn->is_fw_assigned_ipv6 = test_bit(OPT_IS_FW_ASSIGNED_IPV6, &options); 37308cc91d42SAdheer Chandravanshi sess->auto_snd_tgt_disable = test_bit(OPT_AUTO_SENDTGTS_DISABLE, 37318cc91d42SAdheer Chandravanshi &options); 37328cc91d42SAdheer Chandravanshi sess->discovery_sess = test_bit(OPT_DISC_SESSION, &options); 37338cc91d42SAdheer Chandravanshi 37348cc91d42SAdheer Chandravanshi options = le16_to_cpu(fw_ddb_entry->iscsi_options); 37358cc91d42SAdheer Chandravanshi conn->hdrdgst_en = test_bit(ISCSIOPT_HEADER_DIGEST_EN, &options); 37368cc91d42SAdheer Chandravanshi conn->datadgst_en = test_bit(ISCSIOPT_DATA_DIGEST_EN, &options); 37378cc91d42SAdheer Chandravanshi sess->imm_data_en = test_bit(ISCSIOPT_IMMEDIATE_DATA_EN, &options); 37388cc91d42SAdheer Chandravanshi sess->initial_r2t_en = test_bit(ISCSIOPT_INITIAL_R2T_EN, &options); 37398cc91d42SAdheer Chandravanshi sess->dataseq_inorder_en = test_bit(ISCSIOPT_DATA_SEQ_IN_ORDER, 37408cc91d42SAdheer Chandravanshi &options); 37418cc91d42SAdheer Chandravanshi sess->pdu_inorder_en = test_bit(ISCSIOPT_DATA_PDU_IN_ORDER, &options); 37428cc91d42SAdheer Chandravanshi sess->chap_auth_en = test_bit(ISCSIOPT_CHAP_AUTH_EN, &options); 37438cc91d42SAdheer Chandravanshi sess->discovery_logout_en = test_bit(ISCSIOPT_DISCOVERY_LOGOUT_EN, 37448cc91d42SAdheer Chandravanshi &options); 37458cc91d42SAdheer Chandravanshi sess->bidi_chap_en = test_bit(ISCSIOPT_BIDI_CHAP_EN, &options); 37468cc91d42SAdheer Chandravanshi sess->discovery_auth_optional = 37478cc91d42SAdheer Chandravanshi test_bit(ISCSIOPT_DISCOVERY_AUTH_OPTIONAL, &options); 37488cc91d42SAdheer Chandravanshi if (test_bit(ISCSIOPT_ERL1, &options)) 37498cc91d42SAdheer Chandravanshi sess->erl |= BIT_1; 37508cc91d42SAdheer Chandravanshi if (test_bit(ISCSIOPT_ERL0, &options)) 37518cc91d42SAdheer Chandravanshi sess->erl |= BIT_0; 37528cc91d42SAdheer Chandravanshi 37538cc91d42SAdheer Chandravanshi options = le16_to_cpu(fw_ddb_entry->tcp_options); 37548cc91d42SAdheer Chandravanshi conn->tcp_timestamp_stat = test_bit(TCPOPT_TIMESTAMP_STAT, &options); 37558cc91d42SAdheer Chandravanshi conn->tcp_nagle_disable = test_bit(TCPOPT_NAGLE_DISABLE, &options); 37568cc91d42SAdheer Chandravanshi conn->tcp_wsf_disable = test_bit(TCPOPT_WSF_DISABLE, &options); 37578cc91d42SAdheer Chandravanshi if (test_bit(TCPOPT_TIMER_SCALE3, &options)) 37588cc91d42SAdheer Chandravanshi conn->tcp_timer_scale |= BIT_3; 37598cc91d42SAdheer Chandravanshi if (test_bit(TCPOPT_TIMER_SCALE2, &options)) 37608cc91d42SAdheer Chandravanshi conn->tcp_timer_scale |= BIT_2; 37618cc91d42SAdheer Chandravanshi if (test_bit(TCPOPT_TIMER_SCALE1, &options)) 37628cc91d42SAdheer Chandravanshi conn->tcp_timer_scale |= BIT_1; 37638cc91d42SAdheer Chandravanshi 37648cc91d42SAdheer Chandravanshi conn->tcp_timer_scale >>= 1; 37658cc91d42SAdheer Chandravanshi conn->tcp_timestamp_en = test_bit(TCPOPT_TIMESTAMP_EN, &options); 37668cc91d42SAdheer Chandravanshi 37678cc91d42SAdheer Chandravanshi options = le16_to_cpu(fw_ddb_entry->ip_options); 37688cc91d42SAdheer Chandravanshi conn->fragment_disable = test_bit(IPOPT_FRAGMENT_DISABLE, &options); 37698cc91d42SAdheer Chandravanshi 37708cc91d42SAdheer Chandravanshi conn->max_recv_dlength = BYTE_UNITS * 37718cc91d42SAdheer Chandravanshi le16_to_cpu(fw_ddb_entry->iscsi_max_rcv_data_seg_len); 37728cc91d42SAdheer Chandravanshi conn->max_xmit_dlength = BYTE_UNITS * 37738cc91d42SAdheer Chandravanshi le16_to_cpu(fw_ddb_entry->iscsi_max_snd_data_seg_len); 37748cc91d42SAdheer Chandravanshi sess->max_r2t = le16_to_cpu(fw_ddb_entry->iscsi_max_outsnd_r2t); 37758cc91d42SAdheer Chandravanshi sess->first_burst = BYTE_UNITS * 37768cc91d42SAdheer Chandravanshi le16_to_cpu(fw_ddb_entry->iscsi_first_burst_len); 37778cc91d42SAdheer Chandravanshi sess->max_burst = BYTE_UNITS * 37788cc91d42SAdheer Chandravanshi le16_to_cpu(fw_ddb_entry->iscsi_max_burst_len); 37798cc91d42SAdheer Chandravanshi sess->time2wait = le16_to_cpu(fw_ddb_entry->iscsi_def_time2wait); 37808cc91d42SAdheer Chandravanshi sess->time2retain = le16_to_cpu(fw_ddb_entry->iscsi_def_time2retain); 37818cc91d42SAdheer Chandravanshi sess->tpgt = le32_to_cpu(fw_ddb_entry->tgt_portal_grp); 37828cc91d42SAdheer Chandravanshi conn->max_segment_size = le16_to_cpu(fw_ddb_entry->mss); 37838cc91d42SAdheer Chandravanshi conn->tcp_xmit_wsf = fw_ddb_entry->tcp_xmt_wsf; 37848cc91d42SAdheer Chandravanshi conn->tcp_recv_wsf = fw_ddb_entry->tcp_rcv_wsf; 37858cc91d42SAdheer Chandravanshi conn->ipv4_tos = fw_ddb_entry->ipv4_tos; 37868cc91d42SAdheer Chandravanshi conn->keepalive_tmo = le16_to_cpu(fw_ddb_entry->ka_timeout); 37878cc91d42SAdheer Chandravanshi conn->local_port = le16_to_cpu(fw_ddb_entry->lcl_port); 37888cc91d42SAdheer Chandravanshi conn->statsn = le32_to_cpu(fw_ddb_entry->stat_sn); 37898cc91d42SAdheer Chandravanshi conn->exp_statsn = le32_to_cpu(fw_ddb_entry->exp_stat_sn); 37908cc91d42SAdheer Chandravanshi sess->tsid = le16_to_cpu(fw_ddb_entry->tsid); 37918cc91d42SAdheer Chandravanshi COPY_ISID(sess->isid, fw_ddb_entry->isid); 37928cc91d42SAdheer Chandravanshi 37938cc91d42SAdheer Chandravanshi ddb_link = le16_to_cpu(fw_ddb_entry->ddb_link); 37948cc91d42SAdheer Chandravanshi if (ddb_link == DDB_ISNS) 37958cc91d42SAdheer Chandravanshi disc_parent = ISCSI_DISC_PARENT_ISNS; 37968cc91d42SAdheer Chandravanshi else if (ddb_link == DDB_NO_LINK) 37978cc91d42SAdheer Chandravanshi disc_parent = ISCSI_DISC_PARENT_UNKNOWN; 37988cc91d42SAdheer Chandravanshi else if (ddb_link < MAX_DDB_ENTRIES) 37998cc91d42SAdheer Chandravanshi disc_parent = ISCSI_DISC_PARENT_SENDTGT; 38008cc91d42SAdheer Chandravanshi else 38018cc91d42SAdheer Chandravanshi disc_parent = ISCSI_DISC_PARENT_UNKNOWN; 38028cc91d42SAdheer Chandravanshi 38038cc91d42SAdheer Chandravanshi iscsi_set_param(conn->cls_conn, ISCSI_PARAM_DISCOVERY_PARENT_TYPE, 38048cc91d42SAdheer Chandravanshi iscsi_get_discovery_parent_name(disc_parent), 0); 38058cc91d42SAdheer Chandravanshi 38068cc91d42SAdheer Chandravanshi iscsi_set_param(conn->cls_conn, ISCSI_PARAM_TARGET_ALIAS, 38078cc91d42SAdheer Chandravanshi (char *)fw_ddb_entry->iscsi_alias, 0); 3808fb734ee3SAdheer Chandravanshi 3809fb734ee3SAdheer Chandravanshi options = le16_to_cpu(fw_ddb_entry->options); 3810fb734ee3SAdheer Chandravanshi if (options & DDB_OPT_IPV6_DEVICE) { 3811fb734ee3SAdheer Chandravanshi memset(ip_addr, 0, sizeof(ip_addr)); 3812fb734ee3SAdheer Chandravanshi sprintf(ip_addr, "%pI6", fw_ddb_entry->link_local_ipv6_addr); 3813fb734ee3SAdheer Chandravanshi iscsi_set_param(conn->cls_conn, ISCSI_PARAM_LOCAL_IPADDR, 3814fb734ee3SAdheer Chandravanshi (char *)ip_addr, 0); 3815fb734ee3SAdheer Chandravanshi } 38168cc91d42SAdheer Chandravanshi } 38178cc91d42SAdheer Chandravanshi 381813483730SMike Christie static void qla4xxx_copy_fwddb_param(struct scsi_qla_host *ha, 381913483730SMike Christie struct dev_db_entry *fw_ddb_entry, 382013483730SMike Christie struct iscsi_cls_session *cls_sess, 382113483730SMike Christie struct iscsi_cls_conn *cls_conn) 382213483730SMike Christie { 382313483730SMike Christie int buflen = 0; 382413483730SMike Christie struct iscsi_session *sess; 3825376738afSNilesh Javali struct ddb_entry *ddb_entry; 3826946ac571SAdheer Chandravanshi struct ql4_chap_table chap_tbl; 382713483730SMike Christie struct iscsi_conn *conn; 382813483730SMike Christie char ip_addr[DDB_IPADDR_LEN]; 382913483730SMike Christie uint16_t options = 0; 383013483730SMike Christie 383113483730SMike Christie sess = cls_sess->dd_data; 3832376738afSNilesh Javali ddb_entry = sess->dd_data; 383313483730SMike Christie conn = cls_conn->dd_data; 3834946ac571SAdheer Chandravanshi memset(&chap_tbl, 0, sizeof(chap_tbl)); 383513483730SMike Christie 3836376738afSNilesh Javali ddb_entry->chap_tbl_idx = le16_to_cpu(fw_ddb_entry->chap_tbl_idx); 3837376738afSNilesh Javali 38388cc91d42SAdheer Chandravanshi qla4xxx_copy_to_sess_conn_params(conn, sess, fw_ddb_entry); 383913483730SMike Christie 38408cc91d42SAdheer Chandravanshi sess->def_taskmgmt_tmo = le16_to_cpu(fw_ddb_entry->def_timeout); 384113483730SMike Christie conn->persistent_port = le16_to_cpu(fw_ddb_entry->port); 384213483730SMike Christie 38438cc91d42SAdheer Chandravanshi memset(ip_addr, 0, sizeof(ip_addr)); 384413483730SMike Christie options = le16_to_cpu(fw_ddb_entry->options); 38458cc91d42SAdheer Chandravanshi if (options & DDB_OPT_IPV6_DEVICE) { 38468cc91d42SAdheer Chandravanshi iscsi_set_param(cls_conn, ISCSI_PARAM_PORTAL_TYPE, "ipv6", 4); 384713483730SMike Christie 38488cc91d42SAdheer Chandravanshi memset(ip_addr, 0, sizeof(ip_addr)); 38498cc91d42SAdheer Chandravanshi sprintf(ip_addr, "%pI6", fw_ddb_entry->ip_addr); 38508cc91d42SAdheer Chandravanshi } else { 38518cc91d42SAdheer Chandravanshi iscsi_set_param(cls_conn, ISCSI_PARAM_PORTAL_TYPE, "ipv4", 4); 38528cc91d42SAdheer Chandravanshi sprintf(ip_addr, "%pI4", fw_ddb_entry->ip_addr); 38538cc91d42SAdheer Chandravanshi } 38548cc91d42SAdheer Chandravanshi 38558cc91d42SAdheer Chandravanshi iscsi_set_param(cls_conn, ISCSI_PARAM_PERSISTENT_ADDRESS, 38568cc91d42SAdheer Chandravanshi (char *)ip_addr, buflen); 385713483730SMike Christie iscsi_set_param(cls_conn, ISCSI_PARAM_TARGET_NAME, 385813483730SMike Christie (char *)fw_ddb_entry->iscsi_name, buflen); 385913483730SMike Christie iscsi_set_param(cls_conn, ISCSI_PARAM_INITIATOR_NAME, 386013483730SMike Christie (char *)ha->name_string, buflen); 3861946ac571SAdheer Chandravanshi 3862946ac571SAdheer Chandravanshi if (ddb_entry->chap_tbl_idx != INVALID_ENTRY) { 3863946ac571SAdheer Chandravanshi if (!qla4xxx_get_uni_chap_at_index(ha, chap_tbl.name, 3864946ac571SAdheer Chandravanshi chap_tbl.secret, 3865946ac571SAdheer Chandravanshi ddb_entry->chap_tbl_idx)) { 3866946ac571SAdheer Chandravanshi iscsi_set_param(cls_conn, ISCSI_PARAM_USERNAME, 3867946ac571SAdheer Chandravanshi (char *)chap_tbl.name, 3868946ac571SAdheer Chandravanshi strlen((char *)chap_tbl.name)); 3869946ac571SAdheer Chandravanshi iscsi_set_param(cls_conn, ISCSI_PARAM_PASSWORD, 3870946ac571SAdheer Chandravanshi (char *)chap_tbl.secret, 3871946ac571SAdheer Chandravanshi chap_tbl.secret_len); 3872946ac571SAdheer Chandravanshi } 3873946ac571SAdheer Chandravanshi } 387413483730SMike Christie } 387513483730SMike Christie 387613483730SMike Christie void qla4xxx_update_session_conn_fwddb_param(struct scsi_qla_host *ha, 387713483730SMike Christie struct ddb_entry *ddb_entry) 387813483730SMike Christie { 387913483730SMike Christie struct iscsi_cls_session *cls_sess; 388013483730SMike Christie struct iscsi_cls_conn *cls_conn; 388113483730SMike Christie uint32_t ddb_state; 388213483730SMike Christie dma_addr_t fw_ddb_entry_dma; 388313483730SMike Christie struct dev_db_entry *fw_ddb_entry; 388413483730SMike Christie 388513483730SMike Christie fw_ddb_entry = dma_alloc_coherent(&ha->pdev->dev, sizeof(*fw_ddb_entry), 388613483730SMike Christie &fw_ddb_entry_dma, GFP_KERNEL); 388713483730SMike Christie if (!fw_ddb_entry) { 388813483730SMike Christie ql4_printk(KERN_ERR, ha, 388913483730SMike Christie "%s: Unable to allocate dma buffer\n", __func__); 389013483730SMike Christie goto exit_session_conn_fwddb_param; 389113483730SMike Christie } 389213483730SMike Christie 389313483730SMike Christie if (qla4xxx_get_fwddb_entry(ha, ddb_entry->fw_ddb_index, fw_ddb_entry, 389413483730SMike Christie fw_ddb_entry_dma, NULL, NULL, &ddb_state, 389513483730SMike Christie NULL, NULL, NULL) == QLA_ERROR) { 389613483730SMike Christie DEBUG2(ql4_printk(KERN_ERR, ha, "scsi%ld: %s: failed " 389713483730SMike Christie "get_ddb_entry for fw_ddb_index %d\n", 389813483730SMike Christie ha->host_no, __func__, 389913483730SMike Christie ddb_entry->fw_ddb_index)); 390013483730SMike Christie goto exit_session_conn_fwddb_param; 390113483730SMike Christie } 390213483730SMike Christie 390313483730SMike Christie cls_sess = ddb_entry->sess; 390413483730SMike Christie 390513483730SMike Christie cls_conn = ddb_entry->conn; 390613483730SMike Christie 390713483730SMike Christie /* Update params */ 390813483730SMike Christie qla4xxx_copy_fwddb_param(ha, fw_ddb_entry, cls_sess, cls_conn); 390913483730SMike Christie 391013483730SMike Christie exit_session_conn_fwddb_param: 391113483730SMike Christie if (fw_ddb_entry) 391213483730SMike Christie dma_free_coherent(&ha->pdev->dev, sizeof(*fw_ddb_entry), 391313483730SMike Christie fw_ddb_entry, fw_ddb_entry_dma); 391413483730SMike Christie } 391513483730SMike Christie 3916b3a271a9SManish Rangankar void qla4xxx_update_session_conn_param(struct scsi_qla_host *ha, 3917b3a271a9SManish Rangankar struct ddb_entry *ddb_entry) 3918b3a271a9SManish Rangankar { 3919b3a271a9SManish Rangankar struct iscsi_cls_session *cls_sess; 3920b3a271a9SManish Rangankar struct iscsi_cls_conn *cls_conn; 3921b3a271a9SManish Rangankar struct iscsi_session *sess; 3922b3a271a9SManish Rangankar struct iscsi_conn *conn; 3923b3a271a9SManish Rangankar uint32_t ddb_state; 3924b3a271a9SManish Rangankar dma_addr_t fw_ddb_entry_dma; 3925b3a271a9SManish Rangankar struct dev_db_entry *fw_ddb_entry; 3926b3a271a9SManish Rangankar 3927b3a271a9SManish Rangankar fw_ddb_entry = dma_alloc_coherent(&ha->pdev->dev, sizeof(*fw_ddb_entry), 3928b3a271a9SManish Rangankar &fw_ddb_entry_dma, GFP_KERNEL); 3929b3a271a9SManish Rangankar if (!fw_ddb_entry) { 3930b3a271a9SManish Rangankar ql4_printk(KERN_ERR, ha, 3931b3a271a9SManish Rangankar "%s: Unable to allocate dma buffer\n", __func__); 393213483730SMike Christie goto exit_session_conn_param; 3933b3a271a9SManish Rangankar } 3934b3a271a9SManish Rangankar 3935b3a271a9SManish Rangankar if (qla4xxx_get_fwddb_entry(ha, ddb_entry->fw_ddb_index, fw_ddb_entry, 3936b3a271a9SManish Rangankar fw_ddb_entry_dma, NULL, NULL, &ddb_state, 3937b3a271a9SManish Rangankar NULL, NULL, NULL) == QLA_ERROR) { 3938b3a271a9SManish Rangankar DEBUG2(ql4_printk(KERN_ERR, ha, "scsi%ld: %s: failed " 3939b3a271a9SManish Rangankar "get_ddb_entry for fw_ddb_index %d\n", 3940b3a271a9SManish Rangankar ha->host_no, __func__, 3941b3a271a9SManish Rangankar ddb_entry->fw_ddb_index)); 394213483730SMike Christie goto exit_session_conn_param; 3943b3a271a9SManish Rangankar } 3944b3a271a9SManish Rangankar 3945b3a271a9SManish Rangankar cls_sess = ddb_entry->sess; 3946b3a271a9SManish Rangankar sess = cls_sess->dd_data; 3947b3a271a9SManish Rangankar 3948b3a271a9SManish Rangankar cls_conn = ddb_entry->conn; 3949b3a271a9SManish Rangankar conn = cls_conn->dd_data; 3950b3a271a9SManish Rangankar 395113483730SMike Christie /* Update timers after login */ 395213483730SMike Christie ddb_entry->default_relogin_timeout = 3953c28eaacaSNilesh Javali (le16_to_cpu(fw_ddb_entry->def_timeout) > LOGIN_TOV) && 3954c28eaacaSNilesh Javali (le16_to_cpu(fw_ddb_entry->def_timeout) < LOGIN_TOV * 10) ? 3955c28eaacaSNilesh Javali le16_to_cpu(fw_ddb_entry->def_timeout) : LOGIN_TOV; 395613483730SMike Christie ddb_entry->default_time2wait = 395713483730SMike Christie le16_to_cpu(fw_ddb_entry->iscsi_def_time2wait); 395813483730SMike Christie 3959b3a271a9SManish Rangankar /* Update params */ 3960376738afSNilesh Javali ddb_entry->chap_tbl_idx = le16_to_cpu(fw_ddb_entry->chap_tbl_idx); 39618cc91d42SAdheer Chandravanshi qla4xxx_copy_to_sess_conn_params(conn, sess, fw_ddb_entry); 3962b3a271a9SManish Rangankar 3963b3a271a9SManish Rangankar memcpy(sess->initiatorname, ha->name_string, 3964b3a271a9SManish Rangankar min(sizeof(ha->name_string), sizeof(sess->initiatorname))); 396513483730SMike Christie 396613483730SMike Christie exit_session_conn_param: 396713483730SMike Christie if (fw_ddb_entry) 396813483730SMike Christie dma_free_coherent(&ha->pdev->dev, sizeof(*fw_ddb_entry), 396913483730SMike Christie fw_ddb_entry, fw_ddb_entry_dma); 3970b3a271a9SManish Rangankar } 3971b3a271a9SManish Rangankar 3972afaf5a2dSDavid Somayajulu /* 3973afaf5a2dSDavid Somayajulu * Timer routines 3974afaf5a2dSDavid Somayajulu */ 3975d744644aSKees Cook static void qla4xxx_timer(struct timer_list *t); 3976afaf5a2dSDavid Somayajulu 3977d744644aSKees Cook static void qla4xxx_start_timer(struct scsi_qla_host *ha, 3978afaf5a2dSDavid Somayajulu unsigned long interval) 3979afaf5a2dSDavid Somayajulu { 3980afaf5a2dSDavid Somayajulu DEBUG(printk("scsi: %s: Starting timer thread for adapter %d\n", 3981afaf5a2dSDavid Somayajulu __func__, ha->host->host_no)); 3982d744644aSKees Cook timer_setup(&ha->timer, qla4xxx_timer, 0); 3983afaf5a2dSDavid Somayajulu ha->timer.expires = jiffies + interval * HZ; 3984afaf5a2dSDavid Somayajulu add_timer(&ha->timer); 3985afaf5a2dSDavid Somayajulu ha->timer_active = 1; 3986afaf5a2dSDavid Somayajulu } 3987afaf5a2dSDavid Somayajulu 3988afaf5a2dSDavid Somayajulu static void qla4xxx_stop_timer(struct scsi_qla_host *ha) 3989afaf5a2dSDavid Somayajulu { 3990afaf5a2dSDavid Somayajulu del_timer_sync(&ha->timer); 3991afaf5a2dSDavid Somayajulu ha->timer_active = 0; 3992afaf5a2dSDavid Somayajulu } 3993afaf5a2dSDavid Somayajulu 3994afaf5a2dSDavid Somayajulu /*** 3995b3a271a9SManish Rangankar * qla4xxx_mark_device_missing - blocks the session 3996b3a271a9SManish Rangankar * @cls_session: Pointer to the session to be blocked 3997afaf5a2dSDavid Somayajulu * @ddb_entry: Pointer to device database entry 3998afaf5a2dSDavid Somayajulu * 3999f4f5df23SVikas Chaudhary * This routine marks a device missing and close connection. 4000afaf5a2dSDavid Somayajulu **/ 4001b3a271a9SManish Rangankar void qla4xxx_mark_device_missing(struct iscsi_cls_session *cls_session) 4002afaf5a2dSDavid Somayajulu { 4003b3a271a9SManish Rangankar iscsi_block_session(cls_session); 4004afaf5a2dSDavid Somayajulu } 4005afaf5a2dSDavid Somayajulu 4006f4f5df23SVikas Chaudhary /** 4007f4f5df23SVikas Chaudhary * qla4xxx_mark_all_devices_missing - mark all devices as missing. 4008f4f5df23SVikas Chaudhary * @ha: Pointer to host adapter structure. 4009f4f5df23SVikas Chaudhary * 4010f4f5df23SVikas Chaudhary * This routine marks a device missing and resets the relogin retry count. 4011f4f5df23SVikas Chaudhary **/ 4012f4f5df23SVikas Chaudhary void qla4xxx_mark_all_devices_missing(struct scsi_qla_host *ha) 4013f4f5df23SVikas Chaudhary { 4014b3a271a9SManish Rangankar iscsi_host_for_each_session(ha->host, qla4xxx_mark_device_missing); 4015f4f5df23SVikas Chaudhary } 4016f4f5df23SVikas Chaudhary 4017afaf5a2dSDavid Somayajulu static struct srb* qla4xxx_get_new_srb(struct scsi_qla_host *ha, 4018afaf5a2dSDavid Somayajulu struct ddb_entry *ddb_entry, 40198f0722caSVikas Chaudhary struct scsi_cmnd *cmd) 4020afaf5a2dSDavid Somayajulu { 4021afaf5a2dSDavid Somayajulu struct srb *srb; 4022afaf5a2dSDavid Somayajulu 4023afaf5a2dSDavid Somayajulu srb = mempool_alloc(ha->srb_mempool, GFP_ATOMIC); 4024afaf5a2dSDavid Somayajulu if (!srb) 4025afaf5a2dSDavid Somayajulu return srb; 4026afaf5a2dSDavid Somayajulu 402709a0f719SVikas Chaudhary kref_init(&srb->srb_ref); 4028afaf5a2dSDavid Somayajulu srb->ha = ha; 4029afaf5a2dSDavid Somayajulu srb->ddb = ddb_entry; 4030afaf5a2dSDavid Somayajulu srb->cmd = cmd; 4031afaf5a2dSDavid Somayajulu srb->flags = 0; 40325369887aSVikas Chaudhary CMD_SP(cmd) = (void *)srb; 4033afaf5a2dSDavid Somayajulu 4034afaf5a2dSDavid Somayajulu return srb; 4035afaf5a2dSDavid Somayajulu } 4036afaf5a2dSDavid Somayajulu 4037afaf5a2dSDavid Somayajulu static void qla4xxx_srb_free_dma(struct scsi_qla_host *ha, struct srb *srb) 4038afaf5a2dSDavid Somayajulu { 4039afaf5a2dSDavid Somayajulu struct scsi_cmnd *cmd = srb->cmd; 4040afaf5a2dSDavid Somayajulu 4041afaf5a2dSDavid Somayajulu if (srb->flags & SRB_DMA_VALID) { 40425f7186c8SFUJITA Tomonori scsi_dma_unmap(cmd); 4043afaf5a2dSDavid Somayajulu srb->flags &= ~SRB_DMA_VALID; 4044afaf5a2dSDavid Somayajulu } 40455369887aSVikas Chaudhary CMD_SP(cmd) = NULL; 4046afaf5a2dSDavid Somayajulu } 4047afaf5a2dSDavid Somayajulu 404809a0f719SVikas Chaudhary void qla4xxx_srb_compl(struct kref *ref) 4049afaf5a2dSDavid Somayajulu { 405009a0f719SVikas Chaudhary struct srb *srb = container_of(ref, struct srb, srb_ref); 4051afaf5a2dSDavid Somayajulu struct scsi_cmnd *cmd = srb->cmd; 405209a0f719SVikas Chaudhary struct scsi_qla_host *ha = srb->ha; 4053afaf5a2dSDavid Somayajulu 4054afaf5a2dSDavid Somayajulu qla4xxx_srb_free_dma(ha, srb); 4055afaf5a2dSDavid Somayajulu 4056afaf5a2dSDavid Somayajulu mempool_free(srb, ha->srb_mempool); 4057afaf5a2dSDavid Somayajulu 4058afaf5a2dSDavid Somayajulu cmd->scsi_done(cmd); 4059afaf5a2dSDavid Somayajulu } 4060afaf5a2dSDavid Somayajulu 4061afaf5a2dSDavid Somayajulu /** 4062afaf5a2dSDavid Somayajulu * qla4xxx_queuecommand - scsi layer issues scsi command to driver. 40638f0722caSVikas Chaudhary * @host: scsi host 4064afaf5a2dSDavid Somayajulu * @cmd: Pointer to Linux's SCSI command structure 4065afaf5a2dSDavid Somayajulu * 4066afaf5a2dSDavid Somayajulu * Remarks: 4067afaf5a2dSDavid Somayajulu * This routine is invoked by Linux to send a SCSI command to the driver. 4068afaf5a2dSDavid Somayajulu * The mid-level driver tries to ensure that queuecommand never gets 4069afaf5a2dSDavid Somayajulu * invoked concurrently with itself or the interrupt handler (although 4070afaf5a2dSDavid Somayajulu * the interrupt handler may call this routine as part of request- 4071afaf5a2dSDavid Somayajulu * completion handling). Unfortunely, it sometimes calls the scheduler 4072afaf5a2dSDavid Somayajulu * in interrupt context which is a big NO! NO!. 4073afaf5a2dSDavid Somayajulu **/ 40748f0722caSVikas Chaudhary static int qla4xxx_queuecommand(struct Scsi_Host *host, struct scsi_cmnd *cmd) 4075afaf5a2dSDavid Somayajulu { 40768f0722caSVikas Chaudhary struct scsi_qla_host *ha = to_qla_host(host); 4077afaf5a2dSDavid Somayajulu struct ddb_entry *ddb_entry = cmd->device->hostdata; 40787fb1921bSMike Christie struct iscsi_cls_session *sess = ddb_entry->sess; 4079afaf5a2dSDavid Somayajulu struct srb *srb; 4080afaf5a2dSDavid Somayajulu int rval; 4081afaf5a2dSDavid Somayajulu 40822232be0dSLalit Chandivade if (test_bit(AF_EEH_BUSY, &ha->flags)) { 40832232be0dSLalit Chandivade if (test_bit(AF_PCI_CHANNEL_IO_PERM_FAILURE, &ha->flags)) 40842232be0dSLalit Chandivade cmd->result = DID_NO_CONNECT << 16; 40852232be0dSLalit Chandivade else 40862232be0dSLalit Chandivade cmd->result = DID_REQUEUE << 16; 40872232be0dSLalit Chandivade goto qc_fail_command; 40882232be0dSLalit Chandivade } 40892232be0dSLalit Chandivade 40907fb1921bSMike Christie if (!sess) { 40917fb1921bSMike Christie cmd->result = DID_IMM_RETRY << 16; 40927fb1921bSMike Christie goto qc_fail_command; 40937fb1921bSMike Christie } 40947fb1921bSMike Christie 40957fb1921bSMike Christie rval = iscsi_session_chkready(sess); 40967fb1921bSMike Christie if (rval) { 40977fb1921bSMike Christie cmd->result = rval; 40987fb1921bSMike Christie goto qc_fail_command; 40997fb1921bSMike Christie } 41007fb1921bSMike Christie 4101f4f5df23SVikas Chaudhary if (test_bit(DPC_RESET_HA_INTR, &ha->dpc_flags) || 4102f4f5df23SVikas Chaudhary test_bit(DPC_RESET_ACTIVE, &ha->dpc_flags) || 4103f4f5df23SVikas Chaudhary test_bit(DPC_RESET_HA, &ha->dpc_flags) || 4104f4f5df23SVikas Chaudhary test_bit(DPC_HA_UNRECOVERABLE, &ha->dpc_flags) || 4105f4f5df23SVikas Chaudhary test_bit(DPC_HA_NEED_QUIESCENT, &ha->dpc_flags) || 4106f4f5df23SVikas Chaudhary !test_bit(AF_ONLINE, &ha->flags) || 4107b3a271a9SManish Rangankar !test_bit(AF_LINK_UP, &ha->flags) || 4108026fbd3aSNilesh Javali test_bit(AF_LOOPBACK, &ha->flags) || 41097ab284c9SNilesh Javali test_bit(DPC_POST_IDC_ACK, &ha->dpc_flags) || 41107ab284c9SNilesh Javali test_bit(DPC_RESTORE_ACB, &ha->dpc_flags) || 4111f4f5df23SVikas Chaudhary test_bit(DPC_RESET_HA_FW_CONTEXT, &ha->dpc_flags)) 4112477ffb9dSDavid C Somayajulu goto qc_host_busy; 4113477ffb9dSDavid C Somayajulu 41148f0722caSVikas Chaudhary srb = qla4xxx_get_new_srb(ha, ddb_entry, cmd); 4115afaf5a2dSDavid Somayajulu if (!srb) 41168f0722caSVikas Chaudhary goto qc_host_busy; 4117afaf5a2dSDavid Somayajulu 4118afaf5a2dSDavid Somayajulu rval = qla4xxx_send_command_to_isp(ha, srb); 4119afaf5a2dSDavid Somayajulu if (rval != QLA_SUCCESS) 4120afaf5a2dSDavid Somayajulu goto qc_host_busy_free_sp; 4121afaf5a2dSDavid Somayajulu 4122afaf5a2dSDavid Somayajulu return 0; 4123afaf5a2dSDavid Somayajulu 4124afaf5a2dSDavid Somayajulu qc_host_busy_free_sp: 4125afaf5a2dSDavid Somayajulu qla4xxx_srb_free_dma(ha, srb); 4126afaf5a2dSDavid Somayajulu mempool_free(srb, ha->srb_mempool); 4127afaf5a2dSDavid Somayajulu 4128afaf5a2dSDavid Somayajulu qc_host_busy: 4129afaf5a2dSDavid Somayajulu return SCSI_MLQUEUE_HOST_BUSY; 4130afaf5a2dSDavid Somayajulu 4131afaf5a2dSDavid Somayajulu qc_fail_command: 41328f0722caSVikas Chaudhary cmd->scsi_done(cmd); 4133afaf5a2dSDavid Somayajulu 4134afaf5a2dSDavid Somayajulu return 0; 4135afaf5a2dSDavid Somayajulu } 4136afaf5a2dSDavid Somayajulu 4137afaf5a2dSDavid Somayajulu /** 4138afaf5a2dSDavid Somayajulu * qla4xxx_mem_free - frees memory allocated to adapter 4139afaf5a2dSDavid Somayajulu * @ha: Pointer to host adapter structure. 4140afaf5a2dSDavid Somayajulu * 4141afaf5a2dSDavid Somayajulu * Frees memory previously allocated by qla4xxx_mem_alloc 4142afaf5a2dSDavid Somayajulu **/ 4143afaf5a2dSDavid Somayajulu static void qla4xxx_mem_free(struct scsi_qla_host *ha) 4144afaf5a2dSDavid Somayajulu { 4145afaf5a2dSDavid Somayajulu if (ha->queues) 4146afaf5a2dSDavid Somayajulu dma_free_coherent(&ha->pdev->dev, ha->queues_len, ha->queues, 4147afaf5a2dSDavid Somayajulu ha->queues_dma); 4148afaf5a2dSDavid Somayajulu 4149068237c8STej Parkash if (ha->fw_dump) 4150068237c8STej Parkash vfree(ha->fw_dump); 4151068237c8STej Parkash 4152afaf5a2dSDavid Somayajulu ha->queues_len = 0; 4153afaf5a2dSDavid Somayajulu ha->queues = NULL; 4154afaf5a2dSDavid Somayajulu ha->queues_dma = 0; 4155afaf5a2dSDavid Somayajulu ha->request_ring = NULL; 4156afaf5a2dSDavid Somayajulu ha->request_dma = 0; 4157afaf5a2dSDavid Somayajulu ha->response_ring = NULL; 4158afaf5a2dSDavid Somayajulu ha->response_dma = 0; 4159afaf5a2dSDavid Somayajulu ha->shadow_regs = NULL; 4160afaf5a2dSDavid Somayajulu ha->shadow_regs_dma = 0; 4161068237c8STej Parkash ha->fw_dump = NULL; 4162068237c8STej Parkash ha->fw_dump_size = 0; 4163afaf5a2dSDavid Somayajulu 4164afaf5a2dSDavid Somayajulu /* Free srb pool. */ 4165afaf5a2dSDavid Somayajulu if (ha->srb_mempool) 4166afaf5a2dSDavid Somayajulu mempool_destroy(ha->srb_mempool); 4167afaf5a2dSDavid Somayajulu 4168afaf5a2dSDavid Somayajulu ha->srb_mempool = NULL; 4169afaf5a2dSDavid Somayajulu 4170b3a271a9SManish Rangankar if (ha->chap_dma_pool) 4171b3a271a9SManish Rangankar dma_pool_destroy(ha->chap_dma_pool); 4172b3a271a9SManish Rangankar 41734549415aSLalit Chandivade if (ha->chap_list) 41744549415aSLalit Chandivade vfree(ha->chap_list); 41754549415aSLalit Chandivade ha->chap_list = NULL; 41764549415aSLalit Chandivade 417713483730SMike Christie if (ha->fw_ddb_dma_pool) 417813483730SMike Christie dma_pool_destroy(ha->fw_ddb_dma_pool); 417913483730SMike Christie 4180afaf5a2dSDavid Somayajulu /* release io space registers */ 4181f4f5df23SVikas Chaudhary if (is_qla8022(ha)) { 4182f4f5df23SVikas Chaudhary if (ha->nx_pcibase) 4183f4f5df23SVikas Chaudhary iounmap( 4184f4f5df23SVikas Chaudhary (struct device_reg_82xx __iomem *)ha->nx_pcibase); 4185b37ca418SVikas Chaudhary } else if (is_qla8032(ha) || is_qla8042(ha)) { 41866e7b4292SVikas Chaudhary if (ha->nx_pcibase) 41876e7b4292SVikas Chaudhary iounmap( 41886e7b4292SVikas Chaudhary (struct device_reg_83xx __iomem *)ha->nx_pcibase); 41896e7b4292SVikas Chaudhary } else if (ha->reg) { 4190afaf5a2dSDavid Somayajulu iounmap(ha->reg); 41916e7b4292SVikas Chaudhary } 41926e7b4292SVikas Chaudhary 41936e7b4292SVikas Chaudhary if (ha->reset_tmplt.buff) 41946e7b4292SVikas Chaudhary vfree(ha->reset_tmplt.buff); 41956e7b4292SVikas Chaudhary 4196afaf5a2dSDavid Somayajulu pci_release_regions(ha->pdev); 4197afaf5a2dSDavid Somayajulu } 4198afaf5a2dSDavid Somayajulu 4199afaf5a2dSDavid Somayajulu /** 4200afaf5a2dSDavid Somayajulu * qla4xxx_mem_alloc - allocates memory for use by adapter. 4201afaf5a2dSDavid Somayajulu * @ha: Pointer to host adapter structure 4202afaf5a2dSDavid Somayajulu * 4203afaf5a2dSDavid Somayajulu * Allocates DMA memory for request and response queues. Also allocates memory 4204afaf5a2dSDavid Somayajulu * for srbs. 4205afaf5a2dSDavid Somayajulu **/ 4206afaf5a2dSDavid Somayajulu static int qla4xxx_mem_alloc(struct scsi_qla_host *ha) 4207afaf5a2dSDavid Somayajulu { 4208afaf5a2dSDavid Somayajulu unsigned long align; 4209afaf5a2dSDavid Somayajulu 4210afaf5a2dSDavid Somayajulu /* Allocate contiguous block of DMA memory for queues. */ 4211afaf5a2dSDavid Somayajulu ha->queues_len = ((REQUEST_QUEUE_DEPTH * QUEUE_SIZE) + 4212afaf5a2dSDavid Somayajulu (RESPONSE_QUEUE_DEPTH * QUEUE_SIZE) + 4213afaf5a2dSDavid Somayajulu sizeof(struct shadow_regs) + 4214afaf5a2dSDavid Somayajulu MEM_ALIGN_VALUE + 4215afaf5a2dSDavid Somayajulu (PAGE_SIZE - 1)) & ~(PAGE_SIZE - 1); 4216d103adb3SHimanshu Jha ha->queues = dma_zalloc_coherent(&ha->pdev->dev, ha->queues_len, 4217afaf5a2dSDavid Somayajulu &ha->queues_dma, GFP_KERNEL); 4218afaf5a2dSDavid Somayajulu if (ha->queues == NULL) { 4219c2660df3SVikas Chaudhary ql4_printk(KERN_WARNING, ha, 4220afaf5a2dSDavid Somayajulu "Memory Allocation failed - queues.\n"); 4221afaf5a2dSDavid Somayajulu 4222afaf5a2dSDavid Somayajulu goto mem_alloc_error_exit; 4223afaf5a2dSDavid Somayajulu } 4224afaf5a2dSDavid Somayajulu 4225afaf5a2dSDavid Somayajulu /* 4226afaf5a2dSDavid Somayajulu * As per RISC alignment requirements -- the bus-address must be a 4227afaf5a2dSDavid Somayajulu * multiple of the request-ring size (in bytes). 4228afaf5a2dSDavid Somayajulu */ 4229afaf5a2dSDavid Somayajulu align = 0; 4230afaf5a2dSDavid Somayajulu if ((unsigned long)ha->queues_dma & (MEM_ALIGN_VALUE - 1)) 4231afaf5a2dSDavid Somayajulu align = MEM_ALIGN_VALUE - ((unsigned long)ha->queues_dma & 4232afaf5a2dSDavid Somayajulu (MEM_ALIGN_VALUE - 1)); 4233afaf5a2dSDavid Somayajulu 4234afaf5a2dSDavid Somayajulu /* Update request and response queue pointers. */ 4235afaf5a2dSDavid Somayajulu ha->request_dma = ha->queues_dma + align; 4236afaf5a2dSDavid Somayajulu ha->request_ring = (struct queue_entry *) (ha->queues + align); 4237afaf5a2dSDavid Somayajulu ha->response_dma = ha->queues_dma + align + 4238afaf5a2dSDavid Somayajulu (REQUEST_QUEUE_DEPTH * QUEUE_SIZE); 4239afaf5a2dSDavid Somayajulu ha->response_ring = (struct queue_entry *) (ha->queues + align + 4240afaf5a2dSDavid Somayajulu (REQUEST_QUEUE_DEPTH * 4241afaf5a2dSDavid Somayajulu QUEUE_SIZE)); 4242afaf5a2dSDavid Somayajulu ha->shadow_regs_dma = ha->queues_dma + align + 4243afaf5a2dSDavid Somayajulu (REQUEST_QUEUE_DEPTH * QUEUE_SIZE) + 4244afaf5a2dSDavid Somayajulu (RESPONSE_QUEUE_DEPTH * QUEUE_SIZE); 4245afaf5a2dSDavid Somayajulu ha->shadow_regs = (struct shadow_regs *) (ha->queues + align + 4246afaf5a2dSDavid Somayajulu (REQUEST_QUEUE_DEPTH * 4247afaf5a2dSDavid Somayajulu QUEUE_SIZE) + 4248afaf5a2dSDavid Somayajulu (RESPONSE_QUEUE_DEPTH * 4249afaf5a2dSDavid Somayajulu QUEUE_SIZE)); 4250afaf5a2dSDavid Somayajulu 4251afaf5a2dSDavid Somayajulu /* Allocate memory for srb pool. */ 4252afaf5a2dSDavid Somayajulu ha->srb_mempool = mempool_create(SRB_MIN_REQ, mempool_alloc_slab, 4253afaf5a2dSDavid Somayajulu mempool_free_slab, srb_cachep); 4254afaf5a2dSDavid Somayajulu if (ha->srb_mempool == NULL) { 4255c2660df3SVikas Chaudhary ql4_printk(KERN_WARNING, ha, 4256afaf5a2dSDavid Somayajulu "Memory Allocation failed - SRB Pool.\n"); 4257afaf5a2dSDavid Somayajulu 4258afaf5a2dSDavid Somayajulu goto mem_alloc_error_exit; 4259afaf5a2dSDavid Somayajulu } 4260afaf5a2dSDavid Somayajulu 4261b3a271a9SManish Rangankar ha->chap_dma_pool = dma_pool_create("ql4_chap", &ha->pdev->dev, 4262b3a271a9SManish Rangankar CHAP_DMA_BLOCK_SIZE, 8, 0); 4263b3a271a9SManish Rangankar 4264b3a271a9SManish Rangankar if (ha->chap_dma_pool == NULL) { 4265b3a271a9SManish Rangankar ql4_printk(KERN_WARNING, ha, 4266b3a271a9SManish Rangankar "%s: chap_dma_pool allocation failed..\n", __func__); 4267b3a271a9SManish Rangankar goto mem_alloc_error_exit; 4268b3a271a9SManish Rangankar } 4269b3a271a9SManish Rangankar 427013483730SMike Christie ha->fw_ddb_dma_pool = dma_pool_create("ql4_fw_ddb", &ha->pdev->dev, 427113483730SMike Christie DDB_DMA_BLOCK_SIZE, 8, 0); 427213483730SMike Christie 427313483730SMike Christie if (ha->fw_ddb_dma_pool == NULL) { 427413483730SMike Christie ql4_printk(KERN_WARNING, ha, 427513483730SMike Christie "%s: fw_ddb_dma_pool allocation failed..\n", 427613483730SMike Christie __func__); 427713483730SMike Christie goto mem_alloc_error_exit; 427813483730SMike Christie } 427913483730SMike Christie 4280afaf5a2dSDavid Somayajulu return QLA_SUCCESS; 4281afaf5a2dSDavid Somayajulu 4282afaf5a2dSDavid Somayajulu mem_alloc_error_exit: 4283afaf5a2dSDavid Somayajulu qla4xxx_mem_free(ha); 4284afaf5a2dSDavid Somayajulu return QLA_ERROR; 4285afaf5a2dSDavid Somayajulu } 4286afaf5a2dSDavid Somayajulu 4287afaf5a2dSDavid Somayajulu /** 42884f77083eSMike Hernandez * qla4_8xxx_check_temp - Check the ISP82XX temperature. 42894f77083eSMike Hernandez * @ha: adapter block pointer. 42904f77083eSMike Hernandez * 42914f77083eSMike Hernandez * Note: The caller should not hold the idc lock. 42924f77083eSMike Hernandez **/ 42934f77083eSMike Hernandez static int qla4_8xxx_check_temp(struct scsi_qla_host *ha) 42944f77083eSMike Hernandez { 42954f77083eSMike Hernandez uint32_t temp, temp_state, temp_val; 42964f77083eSMike Hernandez int status = QLA_SUCCESS; 42974f77083eSMike Hernandez 429833693c7aSVikas Chaudhary temp = qla4_8xxx_rd_direct(ha, QLA8XXX_CRB_TEMP_STATE); 42994f77083eSMike Hernandez 43004f77083eSMike Hernandez temp_state = qla82xx_get_temp_state(temp); 43014f77083eSMike Hernandez temp_val = qla82xx_get_temp_val(temp); 43024f77083eSMike Hernandez 43034f77083eSMike Hernandez if (temp_state == QLA82XX_TEMP_PANIC) { 43044f77083eSMike Hernandez ql4_printk(KERN_WARNING, ha, "Device temperature %d degrees C" 43054f77083eSMike Hernandez " exceeds maximum allowed. Hardware has been shut" 43064f77083eSMike Hernandez " down.\n", temp_val); 43074f77083eSMike Hernandez status = QLA_ERROR; 43084f77083eSMike Hernandez } else if (temp_state == QLA82XX_TEMP_WARN) { 43094f77083eSMike Hernandez if (ha->temperature == QLA82XX_TEMP_NORMAL) 43104f77083eSMike Hernandez ql4_printk(KERN_WARNING, ha, "Device temperature %d" 43114f77083eSMike Hernandez " degrees C exceeds operating range." 43124f77083eSMike Hernandez " Immediate action needed.\n", temp_val); 43134f77083eSMike Hernandez } else { 43144f77083eSMike Hernandez if (ha->temperature == QLA82XX_TEMP_WARN) 43154f77083eSMike Hernandez ql4_printk(KERN_INFO, ha, "Device temperature is" 43164f77083eSMike Hernandez " now %d degrees C in normal range.\n", 43174f77083eSMike Hernandez temp_val); 43184f77083eSMike Hernandez } 43194f77083eSMike Hernandez ha->temperature = temp_state; 43204f77083eSMike Hernandez return status; 43214f77083eSMike Hernandez } 43224f77083eSMike Hernandez 43234f77083eSMike Hernandez /** 4324f4f5df23SVikas Chaudhary * qla4_8xxx_check_fw_alive - Check firmware health 4325f4f5df23SVikas Chaudhary * @ha: Pointer to host adapter structure. 4326f4f5df23SVikas Chaudhary * 4327f4f5df23SVikas Chaudhary * Context: Interrupt 4328f4f5df23SVikas Chaudhary **/ 43299ee91a38SShyam Sunder static int qla4_8xxx_check_fw_alive(struct scsi_qla_host *ha) 4330f4f5df23SVikas Chaudhary { 43319ee91a38SShyam Sunder uint32_t fw_heartbeat_counter; 43329ee91a38SShyam Sunder int status = QLA_SUCCESS; 4333f4f5df23SVikas Chaudhary 433433693c7aSVikas Chaudhary fw_heartbeat_counter = qla4_8xxx_rd_direct(ha, 433533693c7aSVikas Chaudhary QLA8XXX_PEG_ALIVE_COUNTER); 43362232be0dSLalit Chandivade /* If PEG_ALIVE_COUNTER is 0xffffffff, AER/EEH is in progress, ignore */ 43372232be0dSLalit Chandivade if (fw_heartbeat_counter == 0xffffffff) { 43382232be0dSLalit Chandivade DEBUG2(printk(KERN_WARNING "scsi%ld: %s: Device in frozen " 43392232be0dSLalit Chandivade "state, QLA82XX_PEG_ALIVE_COUNTER is 0xffffffff\n", 43402232be0dSLalit Chandivade ha->host_no, __func__)); 43419ee91a38SShyam Sunder return status; 43422232be0dSLalit Chandivade } 4343f4f5df23SVikas Chaudhary 4344f4f5df23SVikas Chaudhary if (ha->fw_heartbeat_counter == fw_heartbeat_counter) { 4345f4f5df23SVikas Chaudhary ha->seconds_since_last_heartbeat++; 4346f4f5df23SVikas Chaudhary /* FW not alive after 2 seconds */ 4347f4f5df23SVikas Chaudhary if (ha->seconds_since_last_heartbeat == 2) { 4348f4f5df23SVikas Chaudhary ha->seconds_since_last_heartbeat = 0; 43496e7b4292SVikas Chaudhary qla4_8xxx_dump_peg_reg(ha); 43509ee91a38SShyam Sunder status = QLA_ERROR; 4351f4f5df23SVikas Chaudhary } 435299457d75SLalit Chandivade } else 435399457d75SLalit Chandivade ha->seconds_since_last_heartbeat = 0; 435499457d75SLalit Chandivade 4355f4f5df23SVikas Chaudhary ha->fw_heartbeat_counter = fw_heartbeat_counter; 43569ee91a38SShyam Sunder return status; 4357f4f5df23SVikas Chaudhary } 4358f4f5df23SVikas Chaudhary 43596e7b4292SVikas Chaudhary static void qla4_8xxx_process_fw_error(struct scsi_qla_host *ha) 43606e7b4292SVikas Chaudhary { 43616e7b4292SVikas Chaudhary uint32_t halt_status; 43626e7b4292SVikas Chaudhary int halt_status_unrecoverable = 0; 43636e7b4292SVikas Chaudhary 43646e7b4292SVikas Chaudhary halt_status = qla4_8xxx_rd_direct(ha, QLA8XXX_PEG_HALT_STATUS1); 43656e7b4292SVikas Chaudhary 43666e7b4292SVikas Chaudhary if (is_qla8022(ha)) { 43676e7b4292SVikas Chaudhary ql4_printk(KERN_INFO, ha, "%s: disabling pause transmit on port 0 & 1.\n", 43686e7b4292SVikas Chaudhary __func__); 43696e7b4292SVikas Chaudhary qla4_82xx_wr_32(ha, QLA82XX_CRB_NIU + 0x98, 43706e7b4292SVikas Chaudhary CRB_NIU_XG_PAUSE_CTL_P0 | 43716e7b4292SVikas Chaudhary CRB_NIU_XG_PAUSE_CTL_P1); 43726e7b4292SVikas Chaudhary 43736e7b4292SVikas Chaudhary if (QLA82XX_FWERROR_CODE(halt_status) == 0x67) 43746e7b4292SVikas Chaudhary ql4_printk(KERN_ERR, ha, "%s: Firmware aborted with error code 0x00006700. Device is being reset\n", 43756e7b4292SVikas Chaudhary __func__); 43766e7b4292SVikas Chaudhary if (halt_status & HALT_STATUS_UNRECOVERABLE) 43776e7b4292SVikas Chaudhary halt_status_unrecoverable = 1; 4378b37ca418SVikas Chaudhary } else if (is_qla8032(ha) || is_qla8042(ha)) { 43796e7b4292SVikas Chaudhary if (halt_status & QLA83XX_HALT_STATUS_FW_RESET) 43806e7b4292SVikas Chaudhary ql4_printk(KERN_ERR, ha, "%s: Firmware error detected device is being reset\n", 43816e7b4292SVikas Chaudhary __func__); 43826e7b4292SVikas Chaudhary else if (halt_status & QLA83XX_HALT_STATUS_UNRECOVERABLE) 43836e7b4292SVikas Chaudhary halt_status_unrecoverable = 1; 43846e7b4292SVikas Chaudhary } 43856e7b4292SVikas Chaudhary 43866e7b4292SVikas Chaudhary /* 43876e7b4292SVikas Chaudhary * Since we cannot change dev_state in interrupt context, 43886e7b4292SVikas Chaudhary * set appropriate DPC flag then wakeup DPC 43896e7b4292SVikas Chaudhary */ 43906e7b4292SVikas Chaudhary if (halt_status_unrecoverable) { 43916e7b4292SVikas Chaudhary set_bit(DPC_HA_UNRECOVERABLE, &ha->dpc_flags); 43926e7b4292SVikas Chaudhary } else { 43936e7b4292SVikas Chaudhary ql4_printk(KERN_INFO, ha, "%s: detect abort needed!\n", 43946e7b4292SVikas Chaudhary __func__); 43956e7b4292SVikas Chaudhary set_bit(DPC_RESET_HA, &ha->dpc_flags); 43966e7b4292SVikas Chaudhary } 43976e7b4292SVikas Chaudhary qla4xxx_mailbox_premature_completion(ha); 43986e7b4292SVikas Chaudhary qla4xxx_wake_dpc(ha); 43996e7b4292SVikas Chaudhary } 44006e7b4292SVikas Chaudhary 4401f4f5df23SVikas Chaudhary /** 4402f4f5df23SVikas Chaudhary * qla4_8xxx_watchdog - Poll dev state 4403f4f5df23SVikas Chaudhary * @ha: Pointer to host adapter structure. 4404f4f5df23SVikas Chaudhary * 4405f4f5df23SVikas Chaudhary * Context: Interrupt 4406f4f5df23SVikas Chaudhary **/ 4407f4f5df23SVikas Chaudhary void qla4_8xxx_watchdog(struct scsi_qla_host *ha) 4408f4f5df23SVikas Chaudhary { 44096e7b4292SVikas Chaudhary uint32_t dev_state; 44106cf94121SVikas Chaudhary uint32_t idc_ctrl; 4411f4f5df23SVikas Chaudhary 4412a083e8bcSVikas Chaudhary if (is_qla8032(ha) && 4413a083e8bcSVikas Chaudhary (qla4_83xx_is_detached(ha) == QLA_SUCCESS)) 4414a083e8bcSVikas Chaudhary WARN_ONCE(1, "%s: iSCSI function %d marked invisible\n", 4415a083e8bcSVikas Chaudhary __func__, ha->func_num); 4416a083e8bcSVikas Chaudhary 4417f4f5df23SVikas Chaudhary /* don't poll if reset is going on */ 4418d56a1f7bSLalit Chandivade if (!(test_bit(DPC_RESET_ACTIVE, &ha->dpc_flags) || 4419d56a1f7bSLalit Chandivade test_bit(DPC_RESET_HA, &ha->dpc_flags) || 4420977f46a4SVikas Chaudhary test_bit(DPC_RETRY_RESET_HA, &ha->dpc_flags))) { 442133693c7aSVikas Chaudhary dev_state = qla4_8xxx_rd_direct(ha, QLA8XXX_CRB_DEV_STATE); 44224f77083eSMike Hernandez 44234f77083eSMike Hernandez if (qla4_8xxx_check_temp(ha)) { 44246e7b4292SVikas Chaudhary if (is_qla8022(ha)) { 44256e7b4292SVikas Chaudhary ql4_printk(KERN_INFO, ha, "disabling pause transmit on port 0 & 1.\n"); 4426f8086f4fSVikas Chaudhary qla4_82xx_wr_32(ha, QLA82XX_CRB_NIU + 0x98, 4427e6bd0ebdSGiridhar Malavali CRB_NIU_XG_PAUSE_CTL_P0 | 4428e6bd0ebdSGiridhar Malavali CRB_NIU_XG_PAUSE_CTL_P1); 44296e7b4292SVikas Chaudhary } 44304f77083eSMike Hernandez set_bit(DPC_HA_UNRECOVERABLE, &ha->dpc_flags); 44314f77083eSMike Hernandez qla4xxx_wake_dpc(ha); 4432de8c72daSVikas Chaudhary } else if (dev_state == QLA8XXX_DEV_NEED_RESET && 4433f4f5df23SVikas Chaudhary !test_bit(DPC_RESET_HA, &ha->dpc_flags)) { 44346cf94121SVikas Chaudhary 44356cf94121SVikas Chaudhary ql4_printk(KERN_INFO, ha, "%s: HW State: NEED RESET!\n", 44366cf94121SVikas Chaudhary __func__); 44376cf94121SVikas Chaudhary 4438b37ca418SVikas Chaudhary if (is_qla8032(ha) || is_qla8042(ha)) { 44396cf94121SVikas Chaudhary idc_ctrl = qla4_83xx_rd_reg(ha, 44406cf94121SVikas Chaudhary QLA83XX_IDC_DRV_CTRL); 44416cf94121SVikas Chaudhary if (!(idc_ctrl & GRACEFUL_RESET_BIT1)) { 44426cf94121SVikas Chaudhary ql4_printk(KERN_INFO, ha, "%s: Graceful reset bit is not set\n", 44436cf94121SVikas Chaudhary __func__); 44446cf94121SVikas Chaudhary qla4xxx_mailbox_premature_completion( 44456cf94121SVikas Chaudhary ha); 44466cf94121SVikas Chaudhary } 44476cf94121SVikas Chaudhary } 44486cf94121SVikas Chaudhary 4449b37ca418SVikas Chaudhary if ((is_qla8032(ha) || is_qla8042(ha)) || 44506e7b4292SVikas Chaudhary (is_qla8022(ha) && !ql4xdontresethba)) { 4451f4f5df23SVikas Chaudhary set_bit(DPC_RESET_HA, &ha->dpc_flags); 4452f4f5df23SVikas Chaudhary qla4xxx_wake_dpc(ha); 44533930b8c1SVikas Chaudhary } 4454de8c72daSVikas Chaudhary } else if (dev_state == QLA8XXX_DEV_NEED_QUIESCENT && 4455f4f5df23SVikas Chaudhary !test_bit(DPC_HA_NEED_QUIESCENT, &ha->dpc_flags)) { 44563930b8c1SVikas Chaudhary ql4_printk(KERN_INFO, ha, "%s: HW State: NEED QUIES!\n", 44573930b8c1SVikas Chaudhary __func__); 4458f4f5df23SVikas Chaudhary set_bit(DPC_HA_NEED_QUIESCENT, &ha->dpc_flags); 4459f4f5df23SVikas Chaudhary qla4xxx_wake_dpc(ha); 4460f4f5df23SVikas Chaudhary } else { 4461f4f5df23SVikas Chaudhary /* Check firmware health */ 44626e7b4292SVikas Chaudhary if (qla4_8xxx_check_fw_alive(ha)) 44636e7b4292SVikas Chaudhary qla4_8xxx_process_fw_error(ha); 4464f4f5df23SVikas Chaudhary } 4465f4f5df23SVikas Chaudhary } 4466f4f5df23SVikas Chaudhary } 4467f4f5df23SVikas Chaudhary 44684a4bc2e9SLalit Chandivade static void qla4xxx_check_relogin_flash_ddb(struct iscsi_cls_session *cls_sess) 446913483730SMike Christie { 447013483730SMike Christie struct iscsi_session *sess; 447113483730SMike Christie struct ddb_entry *ddb_entry; 447213483730SMike Christie struct scsi_qla_host *ha; 447313483730SMike Christie 447413483730SMike Christie sess = cls_sess->dd_data; 447513483730SMike Christie ddb_entry = sess->dd_data; 447613483730SMike Christie ha = ddb_entry->ha; 447713483730SMike Christie 447813483730SMike Christie if (!(ddb_entry->ddb_type == FLASH_DDB)) 447913483730SMike Christie return; 448013483730SMike Christie 448113483730SMike Christie if (adapter_up(ha) && !test_bit(DF_RELOGIN, &ddb_entry->flags) && 448213483730SMike Christie !iscsi_is_session_online(cls_sess)) { 448313483730SMike Christie if (atomic_read(&ddb_entry->retry_relogin_timer) != 448413483730SMike Christie INVALID_ENTRY) { 448513483730SMike Christie if (atomic_read(&ddb_entry->retry_relogin_timer) == 448613483730SMike Christie 0) { 448713483730SMike Christie atomic_set(&ddb_entry->retry_relogin_timer, 448813483730SMike Christie INVALID_ENTRY); 448913483730SMike Christie set_bit(DPC_RELOGIN_DEVICE, &ha->dpc_flags); 449013483730SMike Christie set_bit(DF_RELOGIN, &ddb_entry->flags); 449113483730SMike Christie DEBUG2(ql4_printk(KERN_INFO, ha, 449213483730SMike Christie "%s: index [%d] login device\n", 449313483730SMike Christie __func__, ddb_entry->fw_ddb_index)); 449413483730SMike Christie } else 449513483730SMike Christie atomic_dec(&ddb_entry->retry_relogin_timer); 449613483730SMike Christie } 449713483730SMike Christie } 449813483730SMike Christie 449913483730SMike Christie /* Wait for relogin to timeout */ 450013483730SMike Christie if (atomic_read(&ddb_entry->relogin_timer) && 450113483730SMike Christie (atomic_dec_and_test(&ddb_entry->relogin_timer) != 0)) { 450213483730SMike Christie /* 450313483730SMike Christie * If the relogin times out and the device is 450413483730SMike Christie * still NOT ONLINE then try and relogin again. 450513483730SMike Christie */ 450613483730SMike Christie if (!iscsi_is_session_online(cls_sess)) { 450713483730SMike Christie /* Reset retry relogin timer */ 450813483730SMike Christie atomic_inc(&ddb_entry->relogin_retry_count); 450913483730SMike Christie DEBUG2(ql4_printk(KERN_INFO, ha, 451013483730SMike Christie "%s: index[%d] relogin timed out-retrying" 451113483730SMike Christie " relogin (%d), retry (%d)\n", __func__, 451213483730SMike Christie ddb_entry->fw_ddb_index, 451313483730SMike Christie atomic_read(&ddb_entry->relogin_retry_count), 451413483730SMike Christie ddb_entry->default_time2wait + 4)); 451513483730SMike Christie set_bit(DPC_RELOGIN_DEVICE, &ha->dpc_flags); 451613483730SMike Christie atomic_set(&ddb_entry->retry_relogin_timer, 451713483730SMike Christie ddb_entry->default_time2wait + 4); 451813483730SMike Christie } 451913483730SMike Christie } 452013483730SMike Christie } 452113483730SMike Christie 4522f4f5df23SVikas Chaudhary /** 4523afaf5a2dSDavid Somayajulu * qla4xxx_timer - checks every second for work to do. 4524afaf5a2dSDavid Somayajulu * @ha: Pointer to host adapter structure. 4525afaf5a2dSDavid Somayajulu **/ 4526d744644aSKees Cook static void qla4xxx_timer(struct timer_list *t) 4527afaf5a2dSDavid Somayajulu { 4528d744644aSKees Cook struct scsi_qla_host *ha = from_timer(ha, t, timer); 4529afaf5a2dSDavid Somayajulu int start_dpc = 0; 45302232be0dSLalit Chandivade uint16_t w; 45312232be0dSLalit Chandivade 453213483730SMike Christie iscsi_host_for_each_session(ha->host, qla4xxx_check_relogin_flash_ddb); 453313483730SMike Christie 45342232be0dSLalit Chandivade /* If we are in the middle of AER/EEH processing 45352232be0dSLalit Chandivade * skip any processing and reschedule the timer 45362232be0dSLalit Chandivade */ 45372232be0dSLalit Chandivade if (test_bit(AF_EEH_BUSY, &ha->flags)) { 45382232be0dSLalit Chandivade mod_timer(&ha->timer, jiffies + HZ); 45392232be0dSLalit Chandivade return; 45402232be0dSLalit Chandivade } 45412232be0dSLalit Chandivade 45422232be0dSLalit Chandivade /* Hardware read to trigger an EEH error during mailbox waits. */ 45432232be0dSLalit Chandivade if (!pci_channel_offline(ha->pdev)) 45442232be0dSLalit Chandivade pci_read_config_word(ha->pdev, PCI_VENDOR_ID, &w); 4545afaf5a2dSDavid Somayajulu 45466e7b4292SVikas Chaudhary if (is_qla80XX(ha)) 4547f4f5df23SVikas Chaudhary qla4_8xxx_watchdog(ha); 4548f4f5df23SVikas Chaudhary 4549ee996a69SVikas Chaudhary if (is_qla40XX(ha)) { 4550afaf5a2dSDavid Somayajulu /* Check for heartbeat interval. */ 4551afaf5a2dSDavid Somayajulu if (ha->firmware_options & FWOPT_HEARTBEAT_ENABLE && 4552afaf5a2dSDavid Somayajulu ha->heartbeat_interval != 0) { 4553afaf5a2dSDavid Somayajulu ha->seconds_since_last_heartbeat++; 4554afaf5a2dSDavid Somayajulu if (ha->seconds_since_last_heartbeat > 4555afaf5a2dSDavid Somayajulu ha->heartbeat_interval + 2) 4556afaf5a2dSDavid Somayajulu set_bit(DPC_RESET_HA, &ha->dpc_flags); 4557afaf5a2dSDavid Somayajulu } 4558f4f5df23SVikas Chaudhary } 4559afaf5a2dSDavid Somayajulu 4560ff884430SVikas Chaudhary /* Process any deferred work. */ 4561ff884430SVikas Chaudhary if (!list_empty(&ha->work_list)) 4562ff884430SVikas Chaudhary start_dpc++; 4563ff884430SVikas Chaudhary 4564afaf5a2dSDavid Somayajulu /* Wakeup the dpc routine for this adapter, if needed. */ 45651b46807eSLalit Chandivade if (start_dpc || 4566afaf5a2dSDavid Somayajulu test_bit(DPC_RESET_HA, &ha->dpc_flags) || 4567afaf5a2dSDavid Somayajulu test_bit(DPC_RETRY_RESET_HA, &ha->dpc_flags) || 4568afaf5a2dSDavid Somayajulu test_bit(DPC_RELOGIN_DEVICE, &ha->dpc_flags) || 4569f4f5df23SVikas Chaudhary test_bit(DPC_RESET_HA_FW_CONTEXT, &ha->dpc_flags) || 4570afaf5a2dSDavid Somayajulu test_bit(DPC_RESET_HA_INTR, &ha->dpc_flags) || 4571afaf5a2dSDavid Somayajulu test_bit(DPC_GET_DHCP_IP_ADDR, &ha->dpc_flags) || 4572065aa1b4SVikas Chaudhary test_bit(DPC_LINK_CHANGED, &ha->dpc_flags) || 4573f4f5df23SVikas Chaudhary test_bit(DPC_HA_UNRECOVERABLE, &ha->dpc_flags) || 4574f4f5df23SVikas Chaudhary test_bit(DPC_HA_NEED_QUIESCENT, &ha->dpc_flags) || 4575906cbf3dSNilesh Javali test_bit(DPC_SYSFS_DDB_EXPORT, &ha->dpc_flags) || 45761b46807eSLalit Chandivade test_bit(DPC_AEN, &ha->dpc_flags)) { 4577afaf5a2dSDavid Somayajulu DEBUG2(printk("scsi%ld: %s: scheduling dpc routine" 4578afaf5a2dSDavid Somayajulu " - dpc flags = 0x%lx\n", 4579afaf5a2dSDavid Somayajulu ha->host_no, __func__, ha->dpc_flags)); 4580f4f5df23SVikas Chaudhary qla4xxx_wake_dpc(ha); 4581afaf5a2dSDavid Somayajulu } 4582afaf5a2dSDavid Somayajulu 4583afaf5a2dSDavid Somayajulu /* Reschedule timer thread to call us back in one second */ 4584afaf5a2dSDavid Somayajulu mod_timer(&ha->timer, jiffies + HZ); 4585afaf5a2dSDavid Somayajulu 4586afaf5a2dSDavid Somayajulu DEBUG2(ha->seconds_since_last_intr++); 4587afaf5a2dSDavid Somayajulu } 4588afaf5a2dSDavid Somayajulu 4589afaf5a2dSDavid Somayajulu /** 4590afaf5a2dSDavid Somayajulu * qla4xxx_cmd_wait - waits for all outstanding commands to complete 4591afaf5a2dSDavid Somayajulu * @ha: Pointer to host adapter structure. 4592afaf5a2dSDavid Somayajulu * 4593afaf5a2dSDavid Somayajulu * This routine stalls the driver until all outstanding commands are returned. 4594afaf5a2dSDavid Somayajulu * Caller must release the Hardware Lock prior to calling this routine. 4595afaf5a2dSDavid Somayajulu **/ 4596afaf5a2dSDavid Somayajulu static int qla4xxx_cmd_wait(struct scsi_qla_host *ha) 4597afaf5a2dSDavid Somayajulu { 4598afaf5a2dSDavid Somayajulu uint32_t index = 0; 4599afaf5a2dSDavid Somayajulu unsigned long flags; 4600afaf5a2dSDavid Somayajulu struct scsi_cmnd *cmd; 460161d9a2b6STej Parkash unsigned long wtime; 460261d9a2b6STej Parkash uint32_t wtmo; 4603afaf5a2dSDavid Somayajulu 460461d9a2b6STej Parkash if (is_qla40XX(ha)) 460561d9a2b6STej Parkash wtmo = WAIT_CMD_TOV; 460661d9a2b6STej Parkash else 460761d9a2b6STej Parkash wtmo = ha->nx_reset_timeout / 2; 4608f4f5df23SVikas Chaudhary 460961d9a2b6STej Parkash wtime = jiffies + (wtmo * HZ); 461061d9a2b6STej Parkash 461161d9a2b6STej Parkash DEBUG2(ql4_printk(KERN_INFO, ha, 461261d9a2b6STej Parkash "Wait up to %u seconds for cmds to complete\n", 461361d9a2b6STej Parkash wtmo)); 4614f4f5df23SVikas Chaudhary 4615f4f5df23SVikas Chaudhary while (!time_after_eq(jiffies, wtime)) { 4616afaf5a2dSDavid Somayajulu spin_lock_irqsave(&ha->hardware_lock, flags); 4617afaf5a2dSDavid Somayajulu /* Find a command that hasn't completed. */ 4618afaf5a2dSDavid Somayajulu for (index = 0; index < ha->host->can_queue; index++) { 4619afaf5a2dSDavid Somayajulu cmd = scsi_host_find_tag(ha->host, index); 4620a1e0063dSMike Christie /* 4621a1e0063dSMike Christie * We cannot just check if the index is valid, 4622a1e0063dSMike Christie * becase if we are run from the scsi eh, then 4623a1e0063dSMike Christie * the scsi/block layer is going to prevent 4624a1e0063dSMike Christie * the tag from being released. 4625a1e0063dSMike Christie */ 4626a1e0063dSMike Christie if (cmd != NULL && CMD_SP(cmd)) 4627afaf5a2dSDavid Somayajulu break; 4628afaf5a2dSDavid Somayajulu } 4629afaf5a2dSDavid Somayajulu spin_unlock_irqrestore(&ha->hardware_lock, flags); 4630afaf5a2dSDavid Somayajulu 4631afaf5a2dSDavid Somayajulu /* If No Commands are pending, wait is complete */ 4632f4f5df23SVikas Chaudhary if (index == ha->host->can_queue) 4633f4f5df23SVikas Chaudhary return QLA_SUCCESS; 4634afaf5a2dSDavid Somayajulu 4635afaf5a2dSDavid Somayajulu msleep(1000); 4636afaf5a2dSDavid Somayajulu } 4637f4f5df23SVikas Chaudhary /* If we timed out on waiting for commands to come back 4638f4f5df23SVikas Chaudhary * return ERROR. */ 4639f4f5df23SVikas Chaudhary return QLA_ERROR; 4640afaf5a2dSDavid Somayajulu } 4641afaf5a2dSDavid Somayajulu 4642f4f5df23SVikas Chaudhary int qla4xxx_hw_reset(struct scsi_qla_host *ha) 4643afaf5a2dSDavid Somayajulu { 4644afaf5a2dSDavid Somayajulu uint32_t ctrl_status; 4645477ffb9dSDavid C Somayajulu unsigned long flags = 0; 4646477ffb9dSDavid C Somayajulu 4647477ffb9dSDavid C Somayajulu DEBUG2(printk(KERN_ERR "scsi%ld: %s\n", ha->host_no, __func__)); 4648afaf5a2dSDavid Somayajulu 4649f4f5df23SVikas Chaudhary if (ql4xxx_lock_drvr_wait(ha) != QLA_SUCCESS) 4650f4f5df23SVikas Chaudhary return QLA_ERROR; 4651f4f5df23SVikas Chaudhary 4652afaf5a2dSDavid Somayajulu spin_lock_irqsave(&ha->hardware_lock, flags); 4653afaf5a2dSDavid Somayajulu 4654afaf5a2dSDavid Somayajulu /* 4655afaf5a2dSDavid Somayajulu * If the SCSI Reset Interrupt bit is set, clear it. 4656afaf5a2dSDavid Somayajulu * Otherwise, the Soft Reset won't work. 4657afaf5a2dSDavid Somayajulu */ 4658afaf5a2dSDavid Somayajulu ctrl_status = readw(&ha->reg->ctrl_status); 4659afaf5a2dSDavid Somayajulu if ((ctrl_status & CSR_SCSI_RESET_INTR) != 0) 4660afaf5a2dSDavid Somayajulu writel(set_rmask(CSR_SCSI_RESET_INTR), &ha->reg->ctrl_status); 4661afaf5a2dSDavid Somayajulu 4662afaf5a2dSDavid Somayajulu /* Issue Soft Reset */ 4663afaf5a2dSDavid Somayajulu writel(set_rmask(CSR_SOFT_RESET), &ha->reg->ctrl_status); 4664afaf5a2dSDavid Somayajulu readl(&ha->reg->ctrl_status); 4665afaf5a2dSDavid Somayajulu 4666afaf5a2dSDavid Somayajulu spin_unlock_irqrestore(&ha->hardware_lock, flags); 4667f4f5df23SVikas Chaudhary return QLA_SUCCESS; 4668477ffb9dSDavid C Somayajulu } 4669477ffb9dSDavid C Somayajulu 4670477ffb9dSDavid C Somayajulu /** 4671477ffb9dSDavid C Somayajulu * qla4xxx_soft_reset - performs soft reset. 4672477ffb9dSDavid C Somayajulu * @ha: Pointer to host adapter structure. 4673477ffb9dSDavid C Somayajulu **/ 4674477ffb9dSDavid C Somayajulu int qla4xxx_soft_reset(struct scsi_qla_host *ha) 4675477ffb9dSDavid C Somayajulu { 4676477ffb9dSDavid C Somayajulu uint32_t max_wait_time; 4677477ffb9dSDavid C Somayajulu unsigned long flags = 0; 4678f931c534SVikas Chaudhary int status; 4679477ffb9dSDavid C Somayajulu uint32_t ctrl_status; 4680477ffb9dSDavid C Somayajulu 4681f931c534SVikas Chaudhary status = qla4xxx_hw_reset(ha); 4682f931c534SVikas Chaudhary if (status != QLA_SUCCESS) 4683f931c534SVikas Chaudhary return status; 4684afaf5a2dSDavid Somayajulu 4685f931c534SVikas Chaudhary status = QLA_ERROR; 4686afaf5a2dSDavid Somayajulu /* Wait until the Network Reset Intr bit is cleared */ 4687afaf5a2dSDavid Somayajulu max_wait_time = RESET_INTR_TOV; 4688afaf5a2dSDavid Somayajulu do { 4689afaf5a2dSDavid Somayajulu spin_lock_irqsave(&ha->hardware_lock, flags); 4690afaf5a2dSDavid Somayajulu ctrl_status = readw(&ha->reg->ctrl_status); 4691afaf5a2dSDavid Somayajulu spin_unlock_irqrestore(&ha->hardware_lock, flags); 4692afaf5a2dSDavid Somayajulu 4693afaf5a2dSDavid Somayajulu if ((ctrl_status & CSR_NET_RESET_INTR) == 0) 4694afaf5a2dSDavid Somayajulu break; 4695afaf5a2dSDavid Somayajulu 4696afaf5a2dSDavid Somayajulu msleep(1000); 4697afaf5a2dSDavid Somayajulu } while ((--max_wait_time)); 4698afaf5a2dSDavid Somayajulu 4699afaf5a2dSDavid Somayajulu if ((ctrl_status & CSR_NET_RESET_INTR) != 0) { 4700afaf5a2dSDavid Somayajulu DEBUG2(printk(KERN_WARNING 4701afaf5a2dSDavid Somayajulu "scsi%ld: Network Reset Intr not cleared by " 4702afaf5a2dSDavid Somayajulu "Network function, clearing it now!\n", 4703afaf5a2dSDavid Somayajulu ha->host_no)); 4704afaf5a2dSDavid Somayajulu spin_lock_irqsave(&ha->hardware_lock, flags); 4705afaf5a2dSDavid Somayajulu writel(set_rmask(CSR_NET_RESET_INTR), &ha->reg->ctrl_status); 4706afaf5a2dSDavid Somayajulu readl(&ha->reg->ctrl_status); 4707afaf5a2dSDavid Somayajulu spin_unlock_irqrestore(&ha->hardware_lock, flags); 4708afaf5a2dSDavid Somayajulu } 4709afaf5a2dSDavid Somayajulu 4710afaf5a2dSDavid Somayajulu /* Wait until the firmware tells us the Soft Reset is done */ 4711afaf5a2dSDavid Somayajulu max_wait_time = SOFT_RESET_TOV; 4712afaf5a2dSDavid Somayajulu do { 4713afaf5a2dSDavid Somayajulu spin_lock_irqsave(&ha->hardware_lock, flags); 4714afaf5a2dSDavid Somayajulu ctrl_status = readw(&ha->reg->ctrl_status); 4715afaf5a2dSDavid Somayajulu spin_unlock_irqrestore(&ha->hardware_lock, flags); 4716afaf5a2dSDavid Somayajulu 4717afaf5a2dSDavid Somayajulu if ((ctrl_status & CSR_SOFT_RESET) == 0) { 4718afaf5a2dSDavid Somayajulu status = QLA_SUCCESS; 4719afaf5a2dSDavid Somayajulu break; 4720afaf5a2dSDavid Somayajulu } 4721afaf5a2dSDavid Somayajulu 4722afaf5a2dSDavid Somayajulu msleep(1000); 4723afaf5a2dSDavid Somayajulu } while ((--max_wait_time)); 4724afaf5a2dSDavid Somayajulu 4725afaf5a2dSDavid Somayajulu /* 4726afaf5a2dSDavid Somayajulu * Also, make sure that the SCSI Reset Interrupt bit has been cleared 4727afaf5a2dSDavid Somayajulu * after the soft reset has taken place. 4728afaf5a2dSDavid Somayajulu */ 4729afaf5a2dSDavid Somayajulu spin_lock_irqsave(&ha->hardware_lock, flags); 4730afaf5a2dSDavid Somayajulu ctrl_status = readw(&ha->reg->ctrl_status); 4731afaf5a2dSDavid Somayajulu if ((ctrl_status & CSR_SCSI_RESET_INTR) != 0) { 4732afaf5a2dSDavid Somayajulu writel(set_rmask(CSR_SCSI_RESET_INTR), &ha->reg->ctrl_status); 4733afaf5a2dSDavid Somayajulu readl(&ha->reg->ctrl_status); 4734afaf5a2dSDavid Somayajulu } 4735afaf5a2dSDavid Somayajulu spin_unlock_irqrestore(&ha->hardware_lock, flags); 4736afaf5a2dSDavid Somayajulu 4737afaf5a2dSDavid Somayajulu /* If soft reset fails then most probably the bios on other 4738afaf5a2dSDavid Somayajulu * function is also enabled. 4739afaf5a2dSDavid Somayajulu * Since the initialization is sequential the other fn 4740afaf5a2dSDavid Somayajulu * wont be able to acknowledge the soft reset. 4741afaf5a2dSDavid Somayajulu * Issue a force soft reset to workaround this scenario. 4742afaf5a2dSDavid Somayajulu */ 4743afaf5a2dSDavid Somayajulu if (max_wait_time == 0) { 4744afaf5a2dSDavid Somayajulu /* Issue Force Soft Reset */ 4745afaf5a2dSDavid Somayajulu spin_lock_irqsave(&ha->hardware_lock, flags); 4746afaf5a2dSDavid Somayajulu writel(set_rmask(CSR_FORCE_SOFT_RESET), &ha->reg->ctrl_status); 4747afaf5a2dSDavid Somayajulu readl(&ha->reg->ctrl_status); 4748afaf5a2dSDavid Somayajulu spin_unlock_irqrestore(&ha->hardware_lock, flags); 4749afaf5a2dSDavid Somayajulu /* Wait until the firmware tells us the Soft Reset is done */ 4750afaf5a2dSDavid Somayajulu max_wait_time = SOFT_RESET_TOV; 4751afaf5a2dSDavid Somayajulu do { 4752afaf5a2dSDavid Somayajulu spin_lock_irqsave(&ha->hardware_lock, flags); 4753afaf5a2dSDavid Somayajulu ctrl_status = readw(&ha->reg->ctrl_status); 4754afaf5a2dSDavid Somayajulu spin_unlock_irqrestore(&ha->hardware_lock, flags); 4755afaf5a2dSDavid Somayajulu 4756afaf5a2dSDavid Somayajulu if ((ctrl_status & CSR_FORCE_SOFT_RESET) == 0) { 4757afaf5a2dSDavid Somayajulu status = QLA_SUCCESS; 4758afaf5a2dSDavid Somayajulu break; 4759afaf5a2dSDavid Somayajulu } 4760afaf5a2dSDavid Somayajulu 4761afaf5a2dSDavid Somayajulu msleep(1000); 4762afaf5a2dSDavid Somayajulu } while ((--max_wait_time)); 4763afaf5a2dSDavid Somayajulu } 4764afaf5a2dSDavid Somayajulu 4765afaf5a2dSDavid Somayajulu return status; 4766afaf5a2dSDavid Somayajulu } 4767afaf5a2dSDavid Somayajulu 4768afaf5a2dSDavid Somayajulu /** 4769f4f5df23SVikas Chaudhary * qla4xxx_abort_active_cmds - returns all outstanding i/o requests to O.S. 4770afaf5a2dSDavid Somayajulu * @ha: Pointer to host adapter structure. 4771f4f5df23SVikas Chaudhary * @res: returned scsi status 4772afaf5a2dSDavid Somayajulu * 4773afaf5a2dSDavid Somayajulu * This routine is called just prior to a HARD RESET to return all 4774afaf5a2dSDavid Somayajulu * outstanding commands back to the Operating System. 4775afaf5a2dSDavid Somayajulu * Caller should make sure that the following locks are released 4776afaf5a2dSDavid Somayajulu * before this calling routine: Hardware lock, and io_request_lock. 4777afaf5a2dSDavid Somayajulu **/ 4778f4f5df23SVikas Chaudhary static void qla4xxx_abort_active_cmds(struct scsi_qla_host *ha, int res) 4779afaf5a2dSDavid Somayajulu { 4780afaf5a2dSDavid Somayajulu struct srb *srb; 4781afaf5a2dSDavid Somayajulu int i; 4782afaf5a2dSDavid Somayajulu unsigned long flags; 4783afaf5a2dSDavid Somayajulu 4784afaf5a2dSDavid Somayajulu spin_lock_irqsave(&ha->hardware_lock, flags); 4785afaf5a2dSDavid Somayajulu for (i = 0; i < ha->host->can_queue; i++) { 4786afaf5a2dSDavid Somayajulu srb = qla4xxx_del_from_active_array(ha, i); 4787afaf5a2dSDavid Somayajulu if (srb != NULL) { 4788f4f5df23SVikas Chaudhary srb->cmd->result = res; 478909a0f719SVikas Chaudhary kref_put(&srb->srb_ref, qla4xxx_srb_compl); 4790afaf5a2dSDavid Somayajulu } 4791afaf5a2dSDavid Somayajulu } 4792afaf5a2dSDavid Somayajulu spin_unlock_irqrestore(&ha->hardware_lock, flags); 4793afaf5a2dSDavid Somayajulu } 4794afaf5a2dSDavid Somayajulu 4795f4f5df23SVikas Chaudhary void qla4xxx_dead_adapter_cleanup(struct scsi_qla_host *ha) 4796f4f5df23SVikas Chaudhary { 4797f4f5df23SVikas Chaudhary clear_bit(AF_ONLINE, &ha->flags); 4798f4f5df23SVikas Chaudhary 4799f4f5df23SVikas Chaudhary /* Disable the board */ 4800f4f5df23SVikas Chaudhary ql4_printk(KERN_INFO, ha, "Disabling the board\n"); 4801f4f5df23SVikas Chaudhary 4802f4f5df23SVikas Chaudhary qla4xxx_abort_active_cmds(ha, DID_NO_CONNECT << 16); 4803f4f5df23SVikas Chaudhary qla4xxx_mark_all_devices_missing(ha); 4804f4f5df23SVikas Chaudhary clear_bit(AF_INIT_DONE, &ha->flags); 4805f4f5df23SVikas Chaudhary } 4806f4f5df23SVikas Chaudhary 4807b3a271a9SManish Rangankar static void qla4xxx_fail_session(struct iscsi_cls_session *cls_session) 4808b3a271a9SManish Rangankar { 4809b3a271a9SManish Rangankar struct iscsi_session *sess; 4810b3a271a9SManish Rangankar struct ddb_entry *ddb_entry; 4811b3a271a9SManish Rangankar 4812b3a271a9SManish Rangankar sess = cls_session->dd_data; 4813b3a271a9SManish Rangankar ddb_entry = sess->dd_data; 4814b3a271a9SManish Rangankar ddb_entry->fw_ddb_device_state = DDB_DS_SESSION_FAILED; 481513483730SMike Christie 481613483730SMike Christie if (ddb_entry->ddb_type == FLASH_DDB) 481713483730SMike Christie iscsi_block_session(ddb_entry->sess); 481813483730SMike Christie else 481913483730SMike Christie iscsi_session_failure(cls_session->dd_data, 482013483730SMike Christie ISCSI_ERR_CONN_FAILED); 4821b3a271a9SManish Rangankar } 4822b3a271a9SManish Rangankar 4823afaf5a2dSDavid Somayajulu /** 4824afaf5a2dSDavid Somayajulu * qla4xxx_recover_adapter - recovers adapter after a fatal error 4825afaf5a2dSDavid Somayajulu * @ha: Pointer to host adapter structure. 4826afaf5a2dSDavid Somayajulu **/ 4827f4f5df23SVikas Chaudhary static int qla4xxx_recover_adapter(struct scsi_qla_host *ha) 4828afaf5a2dSDavid Somayajulu { 4829f4f5df23SVikas Chaudhary int status = QLA_ERROR; 4830f4f5df23SVikas Chaudhary uint8_t reset_chip = 0; 48318e0f3a66SSarang Radke uint32_t dev_state; 48329ee91a38SShyam Sunder unsigned long wait; 4833afaf5a2dSDavid Somayajulu 4834afaf5a2dSDavid Somayajulu /* Stall incoming I/O until we are done */ 4835f4f5df23SVikas Chaudhary scsi_block_requests(ha->host); 4836afaf5a2dSDavid Somayajulu clear_bit(AF_ONLINE, &ha->flags); 4837b3a271a9SManish Rangankar clear_bit(AF_LINK_UP, &ha->flags); 483850a29aecSMike Christie 4839f4f5df23SVikas Chaudhary DEBUG2(ql4_printk(KERN_INFO, ha, "%s: adapter OFFLINE\n", __func__)); 4840afaf5a2dSDavid Somayajulu 4841f4f5df23SVikas Chaudhary set_bit(DPC_RESET_ACTIVE, &ha->dpc_flags); 4842afaf5a2dSDavid Somayajulu 4843b37ca418SVikas Chaudhary if ((is_qla8032(ha) || is_qla8042(ha)) && 4844546fef27STej Parkash !test_bit(DPC_RESET_HA_FW_CONTEXT, &ha->dpc_flags)) { 4845546fef27STej Parkash ql4_printk(KERN_INFO, ha, "%s: disabling pause transmit on port 0 & 1.\n", 4846546fef27STej Parkash __func__); 4847546fef27STej Parkash /* disable pause frame for ISP83xx */ 4848546fef27STej Parkash qla4_83xx_disable_pause(ha); 4849546fef27STej Parkash } 4850546fef27STej Parkash 4851b3a271a9SManish Rangankar iscsi_host_for_each_session(ha->host, qla4xxx_fail_session); 4852b3a271a9SManish Rangankar 4853f4f5df23SVikas Chaudhary if (test_bit(DPC_RESET_HA, &ha->dpc_flags)) 4854f4f5df23SVikas Chaudhary reset_chip = 1; 4855afaf5a2dSDavid Somayajulu 4856f4f5df23SVikas Chaudhary /* For the DPC_RESET_HA_INTR case (ISP-4xxx specific) 4857f4f5df23SVikas Chaudhary * do not reset adapter, jump to initialize_adapter */ 4858f4f5df23SVikas Chaudhary if (test_bit(DPC_RESET_HA_INTR, &ha->dpc_flags)) { 4859f4f5df23SVikas Chaudhary status = QLA_SUCCESS; 4860f4f5df23SVikas Chaudhary goto recover_ha_init_adapter; 4861afaf5a2dSDavid Somayajulu } 4862afaf5a2dSDavid Somayajulu 48636e7b4292SVikas Chaudhary /* For the ISP-8xxx adapter, issue a stop_firmware if invoked 4864f4f5df23SVikas Chaudhary * from eh_host_reset or ioctl module */ 48656e7b4292SVikas Chaudhary if (is_qla80XX(ha) && !reset_chip && 4866f4f5df23SVikas Chaudhary test_bit(DPC_RESET_HA_FW_CONTEXT, &ha->dpc_flags)) { 4867f4f5df23SVikas Chaudhary 4868f4f5df23SVikas Chaudhary DEBUG2(ql4_printk(KERN_INFO, ha, 4869f4f5df23SVikas Chaudhary "scsi%ld: %s - Performing stop_firmware...\n", 4870f4f5df23SVikas Chaudhary ha->host_no, __func__)); 4871f4f5df23SVikas Chaudhary status = ha->isp_ops->reset_firmware(ha); 4872f4f5df23SVikas Chaudhary if (status == QLA_SUCCESS) { 4873f4f5df23SVikas Chaudhary ha->isp_ops->disable_intrs(ha); 4874f4f5df23SVikas Chaudhary qla4xxx_process_aen(ha, FLUSH_DDB_CHANGED_AENS); 4875f4f5df23SVikas Chaudhary qla4xxx_abort_active_cmds(ha, DID_RESET << 16); 4876f4f5df23SVikas Chaudhary } else { 4877f4f5df23SVikas Chaudhary /* If the stop_firmware fails then 4878f4f5df23SVikas Chaudhary * reset the entire chip */ 4879f4f5df23SVikas Chaudhary reset_chip = 1; 4880f4f5df23SVikas Chaudhary clear_bit(DPC_RESET_HA_FW_CONTEXT, &ha->dpc_flags); 4881f4f5df23SVikas Chaudhary set_bit(DPC_RESET_HA, &ha->dpc_flags); 4882f4f5df23SVikas Chaudhary } 4883f4f5df23SVikas Chaudhary } 4884f4f5df23SVikas Chaudhary 4885f4f5df23SVikas Chaudhary /* Issue full chip reset if recovering from a catastrophic error, 48866e7b4292SVikas Chaudhary * or if stop_firmware fails for ISP-8xxx. 4887f4f5df23SVikas Chaudhary * This is the default case for ISP-4xxx */ 4888ee996a69SVikas Chaudhary if (is_qla40XX(ha) || reset_chip) { 4889ee996a69SVikas Chaudhary if (is_qla40XX(ha)) 48909ee91a38SShyam Sunder goto chip_reset; 48919ee91a38SShyam Sunder 48926e7b4292SVikas Chaudhary /* Check if 8XXX firmware is alive or not 48939ee91a38SShyam Sunder * We may have arrived here from NEED_RESET 48949ee91a38SShyam Sunder * detection only */ 48959ee91a38SShyam Sunder if (test_bit(AF_FW_RECOVERY, &ha->flags)) 48969ee91a38SShyam Sunder goto chip_reset; 48979ee91a38SShyam Sunder 48989ee91a38SShyam Sunder wait = jiffies + (FW_ALIVE_WAIT_TOV * HZ); 48999ee91a38SShyam Sunder while (time_before(jiffies, wait)) { 49009ee91a38SShyam Sunder if (qla4_8xxx_check_fw_alive(ha)) { 49019ee91a38SShyam Sunder qla4xxx_mailbox_premature_completion(ha); 49029ee91a38SShyam Sunder break; 49039ee91a38SShyam Sunder } 49049ee91a38SShyam Sunder 49059ee91a38SShyam Sunder set_current_state(TASK_UNINTERRUPTIBLE); 49069ee91a38SShyam Sunder schedule_timeout(HZ); 49079ee91a38SShyam Sunder } 4908da106212SVikas Chaudhary chip_reset: 49092bd1e2beSNilesh Javali if (!test_bit(AF_FW_RECOVERY, &ha->flags)) 4910f4f5df23SVikas Chaudhary qla4xxx_cmd_wait(ha); 4911da106212SVikas Chaudhary 4912f4f5df23SVikas Chaudhary qla4xxx_process_aen(ha, FLUSH_DDB_CHANGED_AENS); 4913f4f5df23SVikas Chaudhary DEBUG2(ql4_printk(KERN_INFO, ha, 4914f4f5df23SVikas Chaudhary "scsi%ld: %s - Performing chip reset..\n", 4915f4f5df23SVikas Chaudhary ha->host_no, __func__)); 4916f4f5df23SVikas Chaudhary status = ha->isp_ops->reset_chip(ha); 491761d9a2b6STej Parkash qla4xxx_abort_active_cmds(ha, DID_RESET << 16); 4918f4f5df23SVikas Chaudhary } 4919f4f5df23SVikas Chaudhary 4920f4f5df23SVikas Chaudhary /* Flush any pending ddb changed AENs */ 4921f4f5df23SVikas Chaudhary qla4xxx_process_aen(ha, FLUSH_DDB_CHANGED_AENS); 4922f4f5df23SVikas Chaudhary 4923f4f5df23SVikas Chaudhary recover_ha_init_adapter: 4924f4f5df23SVikas Chaudhary /* Upon successful firmware/chip reset, re-initialize the adapter */ 4925f4f5df23SVikas Chaudhary if (status == QLA_SUCCESS) { 4926f4f5df23SVikas Chaudhary /* For ISP-4xxx, force function 1 to always initialize 4927f4f5df23SVikas Chaudhary * before function 3 to prevent both funcions from 4928f4f5df23SVikas Chaudhary * stepping on top of the other */ 4929ee996a69SVikas Chaudhary if (is_qla40XX(ha) && (ha->mac_index == 3)) 4930f4f5df23SVikas Chaudhary ssleep(6); 4931f4f5df23SVikas Chaudhary 4932f4f5df23SVikas Chaudhary /* NOTE: AF_ONLINE flag set upon successful completion of 4933f4f5df23SVikas Chaudhary * qla4xxx_initialize_adapter */ 493413483730SMike Christie status = qla4xxx_initialize_adapter(ha, RESET_ADAPTER); 493537418cc6SNilesh Javali if (is_qla80XX(ha) && (status == QLA_ERROR)) { 493637418cc6SNilesh Javali status = qla4_8xxx_check_init_adapter_retry(ha); 493737418cc6SNilesh Javali if (status == QLA_ERROR) { 493837418cc6SNilesh Javali ql4_printk(KERN_INFO, ha, "scsi%ld: %s: Don't retry recover adapter\n", 493937418cc6SNilesh Javali ha->host_no, __func__); 494037418cc6SNilesh Javali qla4xxx_dead_adapter_cleanup(ha); 494137418cc6SNilesh Javali clear_bit(DPC_RETRY_RESET_HA, &ha->dpc_flags); 494237418cc6SNilesh Javali clear_bit(DPC_RESET_HA, &ha->dpc_flags); 494337418cc6SNilesh Javali clear_bit(DPC_RESET_HA_FW_CONTEXT, 494437418cc6SNilesh Javali &ha->dpc_flags); 494537418cc6SNilesh Javali goto exit_recover; 494637418cc6SNilesh Javali } 494737418cc6SNilesh Javali } 4948f4f5df23SVikas Chaudhary } 4949f4f5df23SVikas Chaudhary 4950f4f5df23SVikas Chaudhary /* Retry failed adapter initialization, if necessary 4951f4f5df23SVikas Chaudhary * Do not retry initialize_adapter for RESET_HA_INTR (ISP-4xxx specific) 4952f4f5df23SVikas Chaudhary * case to prevent ping-pong resets between functions */ 4953f4f5df23SVikas Chaudhary if (!test_bit(AF_ONLINE, &ha->flags) && 4954f4f5df23SVikas Chaudhary !test_bit(DPC_RESET_HA_INTR, &ha->dpc_flags)) { 4955afaf5a2dSDavid Somayajulu /* Adapter initialization failed, see if we can retry 4956f4f5df23SVikas Chaudhary * resetting the ha. 4957f4f5df23SVikas Chaudhary * Since we don't want to block the DPC for too long 4958f4f5df23SVikas Chaudhary * with multiple resets in the same thread, 4959f4f5df23SVikas Chaudhary * utilize DPC to retry */ 49606e7b4292SVikas Chaudhary if (is_qla80XX(ha)) { 496133693c7aSVikas Chaudhary ha->isp_ops->idc_lock(ha); 496233693c7aSVikas Chaudhary dev_state = qla4_8xxx_rd_direct(ha, 496333693c7aSVikas Chaudhary QLA8XXX_CRB_DEV_STATE); 496433693c7aSVikas Chaudhary ha->isp_ops->idc_unlock(ha); 4965de8c72daSVikas Chaudhary if (dev_state == QLA8XXX_DEV_FAILED) { 49668e0f3a66SSarang Radke ql4_printk(KERN_INFO, ha, "%s: don't retry " 49678e0f3a66SSarang Radke "recover adapter. H/W is in Failed " 49688e0f3a66SSarang Radke "state\n", __func__); 49698e0f3a66SSarang Radke qla4xxx_dead_adapter_cleanup(ha); 49708e0f3a66SSarang Radke clear_bit(DPC_RETRY_RESET_HA, &ha->dpc_flags); 49718e0f3a66SSarang Radke clear_bit(DPC_RESET_HA, &ha->dpc_flags); 49728e0f3a66SSarang Radke clear_bit(DPC_RESET_HA_FW_CONTEXT, 49738e0f3a66SSarang Radke &ha->dpc_flags); 49748e0f3a66SSarang Radke status = QLA_ERROR; 49758e0f3a66SSarang Radke 49768e0f3a66SSarang Radke goto exit_recover; 49778e0f3a66SSarang Radke } 49788e0f3a66SSarang Radke } 49798e0f3a66SSarang Radke 4980afaf5a2dSDavid Somayajulu if (!test_bit(DPC_RETRY_RESET_HA, &ha->dpc_flags)) { 4981afaf5a2dSDavid Somayajulu ha->retry_reset_ha_cnt = MAX_RESET_HA_RETRIES; 4982afaf5a2dSDavid Somayajulu DEBUG2(printk("scsi%ld: recover adapter - retrying " 4983afaf5a2dSDavid Somayajulu "(%d) more times\n", ha->host_no, 4984afaf5a2dSDavid Somayajulu ha->retry_reset_ha_cnt)); 4985afaf5a2dSDavid Somayajulu set_bit(DPC_RETRY_RESET_HA, &ha->dpc_flags); 4986afaf5a2dSDavid Somayajulu status = QLA_ERROR; 4987afaf5a2dSDavid Somayajulu } else { 4988afaf5a2dSDavid Somayajulu if (ha->retry_reset_ha_cnt > 0) { 4989afaf5a2dSDavid Somayajulu /* Schedule another Reset HA--DPC will retry */ 4990afaf5a2dSDavid Somayajulu ha->retry_reset_ha_cnt--; 4991afaf5a2dSDavid Somayajulu DEBUG2(printk("scsi%ld: recover adapter - " 4992afaf5a2dSDavid Somayajulu "retry remaining %d\n", 4993afaf5a2dSDavid Somayajulu ha->host_no, 4994afaf5a2dSDavid Somayajulu ha->retry_reset_ha_cnt)); 4995afaf5a2dSDavid Somayajulu status = QLA_ERROR; 4996afaf5a2dSDavid Somayajulu } 4997afaf5a2dSDavid Somayajulu 4998afaf5a2dSDavid Somayajulu if (ha->retry_reset_ha_cnt == 0) { 4999afaf5a2dSDavid Somayajulu /* Recover adapter retries have been exhausted. 5000afaf5a2dSDavid Somayajulu * Adapter DEAD */ 5001afaf5a2dSDavid Somayajulu DEBUG2(printk("scsi%ld: recover adapter " 5002afaf5a2dSDavid Somayajulu "failed - board disabled\n", 5003afaf5a2dSDavid Somayajulu ha->host_no)); 5004f4f5df23SVikas Chaudhary qla4xxx_dead_adapter_cleanup(ha); 5005afaf5a2dSDavid Somayajulu clear_bit(DPC_RETRY_RESET_HA, &ha->dpc_flags); 5006afaf5a2dSDavid Somayajulu clear_bit(DPC_RESET_HA, &ha->dpc_flags); 5007f4f5df23SVikas Chaudhary clear_bit(DPC_RESET_HA_FW_CONTEXT, 5008afaf5a2dSDavid Somayajulu &ha->dpc_flags); 5009afaf5a2dSDavid Somayajulu status = QLA_ERROR; 5010afaf5a2dSDavid Somayajulu } 5011afaf5a2dSDavid Somayajulu } 5012afaf5a2dSDavid Somayajulu } else { 5013afaf5a2dSDavid Somayajulu clear_bit(DPC_RESET_HA, &ha->dpc_flags); 5014f4f5df23SVikas Chaudhary clear_bit(DPC_RESET_HA_FW_CONTEXT, &ha->dpc_flags); 5015afaf5a2dSDavid Somayajulu clear_bit(DPC_RETRY_RESET_HA, &ha->dpc_flags); 5016afaf5a2dSDavid Somayajulu } 5017afaf5a2dSDavid Somayajulu 50188e0f3a66SSarang Radke exit_recover: 5019afaf5a2dSDavid Somayajulu ha->adapter_error_count++; 5020afaf5a2dSDavid Somayajulu 5021f4f5df23SVikas Chaudhary if (test_bit(AF_ONLINE, &ha->flags)) 5022f4f5df23SVikas Chaudhary ha->isp_ops->enable_intrs(ha); 5023afaf5a2dSDavid Somayajulu 5024f4f5df23SVikas Chaudhary scsi_unblock_requests(ha->host); 5025f4f5df23SVikas Chaudhary 5026f4f5df23SVikas Chaudhary clear_bit(DPC_RESET_ACTIVE, &ha->dpc_flags); 5027f4f5df23SVikas Chaudhary DEBUG2(printk("scsi%ld: recover adapter: %s\n", ha->host_no, 502825985edcSLucas De Marchi status == QLA_ERROR ? "FAILED" : "SUCCEEDED")); 5029f4f5df23SVikas Chaudhary 5030afaf5a2dSDavid Somayajulu return status; 5031afaf5a2dSDavid Somayajulu } 5032afaf5a2dSDavid Somayajulu 5033b3a271a9SManish Rangankar static void qla4xxx_relogin_devices(struct iscsi_cls_session *cls_session) 5034b3a271a9SManish Rangankar { 5035b3a271a9SManish Rangankar struct iscsi_session *sess; 5036b3a271a9SManish Rangankar struct ddb_entry *ddb_entry; 5037b3a271a9SManish Rangankar struct scsi_qla_host *ha; 5038b3a271a9SManish Rangankar 5039b3a271a9SManish Rangankar sess = cls_session->dd_data; 5040b3a271a9SManish Rangankar ddb_entry = sess->dd_data; 5041b3a271a9SManish Rangankar ha = ddb_entry->ha; 5042b3a271a9SManish Rangankar if (!iscsi_is_session_online(cls_session)) { 5043b3a271a9SManish Rangankar if (ddb_entry->fw_ddb_device_state == DDB_DS_SESSION_ACTIVE) { 5044b3a271a9SManish Rangankar ql4_printk(KERN_INFO, ha, "scsi%ld: %s: ddb[%d]" 5045b3a271a9SManish Rangankar " unblock session\n", ha->host_no, __func__, 5046b3a271a9SManish Rangankar ddb_entry->fw_ddb_index); 5047b3a271a9SManish Rangankar iscsi_unblock_session(ddb_entry->sess); 5048b3a271a9SManish Rangankar } else { 5049b3a271a9SManish Rangankar /* Trigger relogin */ 505013483730SMike Christie if (ddb_entry->ddb_type == FLASH_DDB) { 505199c6a33bSAdheer Chandravanshi if (!(test_bit(DF_RELOGIN, &ddb_entry->flags) || 505299c6a33bSAdheer Chandravanshi test_bit(DF_DISABLE_RELOGIN, 505399c6a33bSAdheer Chandravanshi &ddb_entry->flags))) 505413483730SMike Christie qla4xxx_arm_relogin_timer(ddb_entry); 505513483730SMike Christie } else 5056b3a271a9SManish Rangankar iscsi_session_failure(cls_session->dd_data, 5057b3a271a9SManish Rangankar ISCSI_ERR_CONN_FAILED); 5058b3a271a9SManish Rangankar } 5059b3a271a9SManish Rangankar } 5060b3a271a9SManish Rangankar } 5061b3a271a9SManish Rangankar 506213483730SMike Christie int qla4xxx_unblock_flash_ddb(struct iscsi_cls_session *cls_session) 506313483730SMike Christie { 506413483730SMike Christie struct iscsi_session *sess; 506513483730SMike Christie struct ddb_entry *ddb_entry; 506613483730SMike Christie struct scsi_qla_host *ha; 506713483730SMike Christie 506813483730SMike Christie sess = cls_session->dd_data; 506913483730SMike Christie ddb_entry = sess->dd_data; 507013483730SMike Christie ha = ddb_entry->ha; 507113483730SMike Christie ql4_printk(KERN_INFO, ha, "scsi%ld: %s: ddb[%d]" 507213483730SMike Christie " unblock session\n", ha->host_no, __func__, 507313483730SMike Christie ddb_entry->fw_ddb_index); 507413483730SMike Christie 507513483730SMike Christie iscsi_unblock_session(ddb_entry->sess); 507613483730SMike Christie 507713483730SMike Christie /* Start scan target */ 507813483730SMike Christie if (test_bit(AF_ONLINE, &ha->flags)) { 507913483730SMike Christie ql4_printk(KERN_INFO, ha, "scsi%ld: %s: ddb[%d]" 508013483730SMike Christie " start scan\n", ha->host_no, __func__, 508113483730SMike Christie ddb_entry->fw_ddb_index); 508213483730SMike Christie scsi_queue_work(ha->host, &ddb_entry->sess->scan_work); 508313483730SMike Christie } 508413483730SMike Christie return QLA_SUCCESS; 508513483730SMike Christie } 508613483730SMike Christie 508713483730SMike Christie int qla4xxx_unblock_ddb(struct iscsi_cls_session *cls_session) 508813483730SMike Christie { 508913483730SMike Christie struct iscsi_session *sess; 509013483730SMike Christie struct ddb_entry *ddb_entry; 509113483730SMike Christie struct scsi_qla_host *ha; 509280c53e64SManish Rangankar int status = QLA_SUCCESS; 509313483730SMike Christie 509413483730SMike Christie sess = cls_session->dd_data; 509513483730SMike Christie ddb_entry = sess->dd_data; 509613483730SMike Christie ha = ddb_entry->ha; 509713483730SMike Christie ql4_printk(KERN_INFO, ha, "scsi%ld: %s: ddb[%d]" 509813483730SMike Christie " unblock user space session\n", ha->host_no, __func__, 509913483730SMike Christie ddb_entry->fw_ddb_index); 510080c53e64SManish Rangankar 510180c53e64SManish Rangankar if (!iscsi_is_session_online(cls_session)) { 510213483730SMike Christie iscsi_conn_start(ddb_entry->conn); 510313483730SMike Christie iscsi_conn_login_event(ddb_entry->conn, 510413483730SMike Christie ISCSI_CONN_STATE_LOGGED_IN); 510580c53e64SManish Rangankar } else { 510680c53e64SManish Rangankar ql4_printk(KERN_INFO, ha, 510780c53e64SManish Rangankar "scsi%ld: %s: ddb[%d] session [%d] already logged in\n", 510880c53e64SManish Rangankar ha->host_no, __func__, ddb_entry->fw_ddb_index, 510980c53e64SManish Rangankar cls_session->sid); 511080c53e64SManish Rangankar status = QLA_ERROR; 511180c53e64SManish Rangankar } 511213483730SMike Christie 511380c53e64SManish Rangankar return status; 511413483730SMike Christie } 511513483730SMike Christie 51162d7924e6SVikas Chaudhary static void qla4xxx_relogin_all_devices(struct scsi_qla_host *ha) 51172d7924e6SVikas Chaudhary { 5118b3a271a9SManish Rangankar iscsi_host_for_each_session(ha->host, qla4xxx_relogin_devices); 51192d7924e6SVikas Chaudhary } 51202d7924e6SVikas Chaudhary 512113483730SMike Christie static void qla4xxx_relogin_flash_ddb(struct iscsi_cls_session *cls_sess) 512213483730SMike Christie { 512313483730SMike Christie uint16_t relogin_timer; 512413483730SMike Christie struct iscsi_session *sess; 512513483730SMike Christie struct ddb_entry *ddb_entry; 512613483730SMike Christie struct scsi_qla_host *ha; 512713483730SMike Christie 512813483730SMike Christie sess = cls_sess->dd_data; 512913483730SMike Christie ddb_entry = sess->dd_data; 513013483730SMike Christie ha = ddb_entry->ha; 513113483730SMike Christie 513213483730SMike Christie relogin_timer = max(ddb_entry->default_relogin_timeout, 513313483730SMike Christie (uint16_t)RELOGIN_TOV); 513413483730SMike Christie atomic_set(&ddb_entry->relogin_timer, relogin_timer); 513513483730SMike Christie 513613483730SMike Christie DEBUG2(ql4_printk(KERN_INFO, ha, 513713483730SMike Christie "scsi%ld: Relogin index [%d]. TOV=%d\n", ha->host_no, 513813483730SMike Christie ddb_entry->fw_ddb_index, relogin_timer)); 513913483730SMike Christie 514013483730SMike Christie qla4xxx_login_flash_ddb(cls_sess); 514113483730SMike Christie } 514213483730SMike Christie 514313483730SMike Christie static void qla4xxx_dpc_relogin(struct iscsi_cls_session *cls_sess) 514413483730SMike Christie { 514513483730SMike Christie struct iscsi_session *sess; 514613483730SMike Christie struct ddb_entry *ddb_entry; 514713483730SMike Christie struct scsi_qla_host *ha; 514813483730SMike Christie 514913483730SMike Christie sess = cls_sess->dd_data; 515013483730SMike Christie ddb_entry = sess->dd_data; 515113483730SMike Christie ha = ddb_entry->ha; 515213483730SMike Christie 515313483730SMike Christie if (!(ddb_entry->ddb_type == FLASH_DDB)) 515413483730SMike Christie return; 515513483730SMike Christie 515699c6a33bSAdheer Chandravanshi if (test_bit(DF_DISABLE_RELOGIN, &ddb_entry->flags)) 515799c6a33bSAdheer Chandravanshi return; 515899c6a33bSAdheer Chandravanshi 515913483730SMike Christie if (test_and_clear_bit(DF_RELOGIN, &ddb_entry->flags) && 516013483730SMike Christie !iscsi_is_session_online(cls_sess)) { 516113483730SMike Christie DEBUG2(ql4_printk(KERN_INFO, ha, 516213483730SMike Christie "relogin issued\n")); 516313483730SMike Christie qla4xxx_relogin_flash_ddb(cls_sess); 516413483730SMike Christie } 516513483730SMike Christie } 516613483730SMike Christie 5167f4f5df23SVikas Chaudhary void qla4xxx_wake_dpc(struct scsi_qla_host *ha) 5168f4f5df23SVikas Chaudhary { 51691b46807eSLalit Chandivade if (ha->dpc_thread) 5170f4f5df23SVikas Chaudhary queue_work(ha->dpc_thread, &ha->dpc_work); 5171f4f5df23SVikas Chaudhary } 5172f4f5df23SVikas Chaudhary 5173ff884430SVikas Chaudhary static struct qla4_work_evt * 5174ff884430SVikas Chaudhary qla4xxx_alloc_work(struct scsi_qla_host *ha, uint32_t data_size, 5175ff884430SVikas Chaudhary enum qla4_work_type type) 5176ff884430SVikas Chaudhary { 5177ff884430SVikas Chaudhary struct qla4_work_evt *e; 5178ff884430SVikas Chaudhary uint32_t size = sizeof(struct qla4_work_evt) + data_size; 5179ff884430SVikas Chaudhary 5180ff884430SVikas Chaudhary e = kzalloc(size, GFP_ATOMIC); 5181ff884430SVikas Chaudhary if (!e) 5182ff884430SVikas Chaudhary return NULL; 5183ff884430SVikas Chaudhary 5184ff884430SVikas Chaudhary INIT_LIST_HEAD(&e->list); 5185ff884430SVikas Chaudhary e->type = type; 5186ff884430SVikas Chaudhary return e; 5187ff884430SVikas Chaudhary } 5188ff884430SVikas Chaudhary 5189ff884430SVikas Chaudhary static void qla4xxx_post_work(struct scsi_qla_host *ha, 5190ff884430SVikas Chaudhary struct qla4_work_evt *e) 5191ff884430SVikas Chaudhary { 5192ff884430SVikas Chaudhary unsigned long flags; 5193ff884430SVikas Chaudhary 5194ff884430SVikas Chaudhary spin_lock_irqsave(&ha->work_lock, flags); 5195ff884430SVikas Chaudhary list_add_tail(&e->list, &ha->work_list); 5196ff884430SVikas Chaudhary spin_unlock_irqrestore(&ha->work_lock, flags); 5197ff884430SVikas Chaudhary qla4xxx_wake_dpc(ha); 5198ff884430SVikas Chaudhary } 5199ff884430SVikas Chaudhary 5200ff884430SVikas Chaudhary int qla4xxx_post_aen_work(struct scsi_qla_host *ha, 5201ff884430SVikas Chaudhary enum iscsi_host_event_code aen_code, 5202ff884430SVikas Chaudhary uint32_t data_size, uint8_t *data) 5203ff884430SVikas Chaudhary { 5204ff884430SVikas Chaudhary struct qla4_work_evt *e; 5205ff884430SVikas Chaudhary 5206ff884430SVikas Chaudhary e = qla4xxx_alloc_work(ha, data_size, QLA4_EVENT_AEN); 5207ff884430SVikas Chaudhary if (!e) 5208ff884430SVikas Chaudhary return QLA_ERROR; 5209ff884430SVikas Chaudhary 5210ff884430SVikas Chaudhary e->u.aen.code = aen_code; 5211ff884430SVikas Chaudhary e->u.aen.data_size = data_size; 5212ff884430SVikas Chaudhary memcpy(e->u.aen.data, data, data_size); 5213ff884430SVikas Chaudhary 5214ff884430SVikas Chaudhary qla4xxx_post_work(ha, e); 5215ff884430SVikas Chaudhary 5216ff884430SVikas Chaudhary return QLA_SUCCESS; 5217ff884430SVikas Chaudhary } 5218ff884430SVikas Chaudhary 5219c0b9d3f7SVikas Chaudhary int qla4xxx_post_ping_evt_work(struct scsi_qla_host *ha, 5220c0b9d3f7SVikas Chaudhary uint32_t status, uint32_t pid, 5221c0b9d3f7SVikas Chaudhary uint32_t data_size, uint8_t *data) 5222c0b9d3f7SVikas Chaudhary { 5223c0b9d3f7SVikas Chaudhary struct qla4_work_evt *e; 5224c0b9d3f7SVikas Chaudhary 5225c0b9d3f7SVikas Chaudhary e = qla4xxx_alloc_work(ha, data_size, QLA4_EVENT_PING_STATUS); 5226c0b9d3f7SVikas Chaudhary if (!e) 5227c0b9d3f7SVikas Chaudhary return QLA_ERROR; 5228c0b9d3f7SVikas Chaudhary 5229c0b9d3f7SVikas Chaudhary e->u.ping.status = status; 5230c0b9d3f7SVikas Chaudhary e->u.ping.pid = pid; 5231c0b9d3f7SVikas Chaudhary e->u.ping.data_size = data_size; 5232c0b9d3f7SVikas Chaudhary memcpy(e->u.ping.data, data, data_size); 5233c0b9d3f7SVikas Chaudhary 5234c0b9d3f7SVikas Chaudhary qla4xxx_post_work(ha, e); 5235c0b9d3f7SVikas Chaudhary 5236c0b9d3f7SVikas Chaudhary return QLA_SUCCESS; 5237c0b9d3f7SVikas Chaudhary } 5238c0b9d3f7SVikas Chaudhary 5239a7380a65SVikas Chaudhary static void qla4xxx_do_work(struct scsi_qla_host *ha) 5240ff884430SVikas Chaudhary { 5241ff884430SVikas Chaudhary struct qla4_work_evt *e, *tmp; 5242ff884430SVikas Chaudhary unsigned long flags; 5243ff884430SVikas Chaudhary LIST_HEAD(work); 5244ff884430SVikas Chaudhary 5245ff884430SVikas Chaudhary spin_lock_irqsave(&ha->work_lock, flags); 5246ff884430SVikas Chaudhary list_splice_init(&ha->work_list, &work); 5247ff884430SVikas Chaudhary spin_unlock_irqrestore(&ha->work_lock, flags); 5248ff884430SVikas Chaudhary 5249ff884430SVikas Chaudhary list_for_each_entry_safe(e, tmp, &work, list) { 5250ff884430SVikas Chaudhary list_del_init(&e->list); 5251ff884430SVikas Chaudhary 5252ff884430SVikas Chaudhary switch (e->type) { 5253ff884430SVikas Chaudhary case QLA4_EVENT_AEN: 5254ff884430SVikas Chaudhary iscsi_post_host_event(ha->host_no, 5255ff884430SVikas Chaudhary &qla4xxx_iscsi_transport, 5256ff884430SVikas Chaudhary e->u.aen.code, 5257ff884430SVikas Chaudhary e->u.aen.data_size, 5258ff884430SVikas Chaudhary e->u.aen.data); 5259ff884430SVikas Chaudhary break; 5260c0b9d3f7SVikas Chaudhary case QLA4_EVENT_PING_STATUS: 5261c0b9d3f7SVikas Chaudhary iscsi_ping_comp_event(ha->host_no, 5262c0b9d3f7SVikas Chaudhary &qla4xxx_iscsi_transport, 5263c0b9d3f7SVikas Chaudhary e->u.ping.status, 5264c0b9d3f7SVikas Chaudhary e->u.ping.pid, 5265c0b9d3f7SVikas Chaudhary e->u.ping.data_size, 5266c0b9d3f7SVikas Chaudhary e->u.ping.data); 5267c0b9d3f7SVikas Chaudhary break; 5268ff884430SVikas Chaudhary default: 5269ff884430SVikas Chaudhary ql4_printk(KERN_WARNING, ha, "event type: 0x%x not " 5270ff884430SVikas Chaudhary "supported", e->type); 5271ff884430SVikas Chaudhary } 5272ff884430SVikas Chaudhary kfree(e); 5273ff884430SVikas Chaudhary } 5274ff884430SVikas Chaudhary } 5275ff884430SVikas Chaudhary 5276afaf5a2dSDavid Somayajulu /** 5277afaf5a2dSDavid Somayajulu * qla4xxx_do_dpc - dpc routine 5278afaf5a2dSDavid Somayajulu * @data: in our case pointer to adapter structure 5279afaf5a2dSDavid Somayajulu * 5280afaf5a2dSDavid Somayajulu * This routine is a task that is schedule by the interrupt handler 5281afaf5a2dSDavid Somayajulu * to perform the background processing for interrupts. We put it 5282afaf5a2dSDavid Somayajulu * on a task queue that is consumed whenever the scheduler runs; that's 5283afaf5a2dSDavid Somayajulu * so you can do anything (i.e. put the process to sleep etc). In fact, 5284afaf5a2dSDavid Somayajulu * the mid-level tries to sleep when it reaches the driver threshold 5285afaf5a2dSDavid Somayajulu * "host->can_queue". This can cause a panic if we were in our interrupt code. 5286afaf5a2dSDavid Somayajulu **/ 5287c4028958SDavid Howells static void qla4xxx_do_dpc(struct work_struct *work) 5288afaf5a2dSDavid Somayajulu { 5289c4028958SDavid Howells struct scsi_qla_host *ha = 5290c4028958SDavid Howells container_of(work, struct scsi_qla_host, dpc_work); 5291477ffb9dSDavid C Somayajulu int status = QLA_ERROR; 5292afaf5a2dSDavid Somayajulu 5293a7e5688dSVikas Chaudhary DEBUG2(ql4_printk(KERN_INFO, ha, 5294a7e5688dSVikas Chaudhary "scsi%ld: %s: DPC handler waking up. flags = 0x%08lx, dpc_flags = 0x%08lx\n", 5295a7e5688dSVikas Chaudhary ha->host_no, __func__, ha->flags, ha->dpc_flags)); 5296afaf5a2dSDavid Somayajulu 5297afaf5a2dSDavid Somayajulu /* Initialization not yet finished. Don't do anything yet. */ 5298afaf5a2dSDavid Somayajulu if (!test_bit(AF_INIT_DONE, &ha->flags)) 52991b46807eSLalit Chandivade return; 5300afaf5a2dSDavid Somayajulu 53012232be0dSLalit Chandivade if (test_bit(AF_EEH_BUSY, &ha->flags)) { 53022232be0dSLalit Chandivade DEBUG2(printk(KERN_INFO "scsi%ld: %s: flags = %lx\n", 53032232be0dSLalit Chandivade ha->host_no, __func__, ha->flags)); 53041b46807eSLalit Chandivade return; 53052232be0dSLalit Chandivade } 53062232be0dSLalit Chandivade 5307ff884430SVikas Chaudhary /* post events to application */ 5308ff884430SVikas Chaudhary qla4xxx_do_work(ha); 5309ff884430SVikas Chaudhary 53106e7b4292SVikas Chaudhary if (is_qla80XX(ha)) { 5311f4f5df23SVikas Chaudhary if (test_bit(DPC_HA_UNRECOVERABLE, &ha->dpc_flags)) { 5312b37ca418SVikas Chaudhary if (is_qla8032(ha) || is_qla8042(ha)) { 5313546fef27STej Parkash ql4_printk(KERN_INFO, ha, "%s: disabling pause transmit on port 0 & 1.\n", 5314546fef27STej Parkash __func__); 5315546fef27STej Parkash /* disable pause frame for ISP83xx */ 5316546fef27STej Parkash qla4_83xx_disable_pause(ha); 5317546fef27STej Parkash } 5318546fef27STej Parkash 531933693c7aSVikas Chaudhary ha->isp_ops->idc_lock(ha); 532033693c7aSVikas Chaudhary qla4_8xxx_wr_direct(ha, QLA8XXX_CRB_DEV_STATE, 5321de8c72daSVikas Chaudhary QLA8XXX_DEV_FAILED); 532233693c7aSVikas Chaudhary ha->isp_ops->idc_unlock(ha); 5323f4f5df23SVikas Chaudhary ql4_printk(KERN_INFO, ha, "HW State: FAILED\n"); 5324f4f5df23SVikas Chaudhary qla4_8xxx_device_state_handler(ha); 5325f4f5df23SVikas Chaudhary } 5326320a61deSNilesh Javali 53277ab284c9SNilesh Javali if (test_bit(DPC_POST_IDC_ACK, &ha->dpc_flags)) { 53287ab284c9SNilesh Javali if (is_qla8042(ha)) { 53297ab284c9SNilesh Javali if (ha->idc_info.info2 & 53307ab284c9SNilesh Javali ENABLE_INTERNAL_LOOPBACK) { 53317ab284c9SNilesh Javali ql4_printk(KERN_INFO, ha, "%s: Disabling ACB\n", 53327ab284c9SNilesh Javali __func__); 53337ab284c9SNilesh Javali status = qla4_84xx_config_acb(ha, 53347ab284c9SNilesh Javali ACB_CONFIG_DISABLE); 53357ab284c9SNilesh Javali if (status != QLA_SUCCESS) { 53367ab284c9SNilesh Javali ql4_printk(KERN_INFO, ha, "%s: ACB config failed\n", 53377ab284c9SNilesh Javali __func__); 53387ab284c9SNilesh Javali } 53397ab284c9SNilesh Javali } 53407ab284c9SNilesh Javali } 5341320a61deSNilesh Javali qla4_83xx_post_idc_ack(ha); 53427ab284c9SNilesh Javali clear_bit(DPC_POST_IDC_ACK, &ha->dpc_flags); 53437ab284c9SNilesh Javali } 53447ab284c9SNilesh Javali 53457ab284c9SNilesh Javali if (is_qla8042(ha) && 53467ab284c9SNilesh Javali test_bit(DPC_RESTORE_ACB, &ha->dpc_flags)) { 53477ab284c9SNilesh Javali ql4_printk(KERN_INFO, ha, "%s: Restoring ACB\n", 53487ab284c9SNilesh Javali __func__); 53497ab284c9SNilesh Javali if (qla4_84xx_config_acb(ha, ACB_CONFIG_SET) != 53507ab284c9SNilesh Javali QLA_SUCCESS) { 53517ab284c9SNilesh Javali ql4_printk(KERN_INFO, ha, "%s: ACB config failed ", 53527ab284c9SNilesh Javali __func__); 53537ab284c9SNilesh Javali } 53547ab284c9SNilesh Javali clear_bit(DPC_RESTORE_ACB, &ha->dpc_flags); 53557ab284c9SNilesh Javali } 5356320a61deSNilesh Javali 5357f4f5df23SVikas Chaudhary if (test_and_clear_bit(DPC_HA_NEED_QUIESCENT, &ha->dpc_flags)) { 5358f4f5df23SVikas Chaudhary qla4_8xxx_need_qsnt_handler(ha); 5359f4f5df23SVikas Chaudhary } 5360f4f5df23SVikas Chaudhary } 5361f4f5df23SVikas Chaudhary 5362f4f5df23SVikas Chaudhary if (!test_bit(DPC_RESET_ACTIVE, &ha->dpc_flags) && 5363f4f5df23SVikas Chaudhary (test_bit(DPC_RESET_HA, &ha->dpc_flags) || 5364afaf5a2dSDavid Somayajulu test_bit(DPC_RESET_HA_INTR, &ha->dpc_flags) || 5365f4f5df23SVikas Chaudhary test_bit(DPC_RESET_HA_FW_CONTEXT, &ha->dpc_flags))) { 53666e7b4292SVikas Chaudhary if ((is_qla8022(ha) && ql4xdontresethba) || 5367b37ca418SVikas Chaudhary ((is_qla8032(ha) || is_qla8042(ha)) && 5368b37ca418SVikas Chaudhary qla4_83xx_idc_dontreset(ha))) { 5369f4f5df23SVikas Chaudhary DEBUG2(printk("scsi%ld: %s: Don't Reset HBA\n", 5370f4f5df23SVikas Chaudhary ha->host_no, __func__)); 5371f4f5df23SVikas Chaudhary clear_bit(DPC_RESET_HA, &ha->dpc_flags); 5372f4f5df23SVikas Chaudhary clear_bit(DPC_RESET_HA_INTR, &ha->dpc_flags); 5373f4f5df23SVikas Chaudhary clear_bit(DPC_RESET_HA_FW_CONTEXT, &ha->dpc_flags); 5374f4f5df23SVikas Chaudhary goto dpc_post_reset_ha; 5375f4f5df23SVikas Chaudhary } 5376f4f5df23SVikas Chaudhary if (test_bit(DPC_RESET_HA_FW_CONTEXT, &ha->dpc_flags) || 5377f26b9044SDavid C Somayajulu test_bit(DPC_RESET_HA, &ha->dpc_flags)) 5378f4f5df23SVikas Chaudhary qla4xxx_recover_adapter(ha); 5379afaf5a2dSDavid Somayajulu 5380477ffb9dSDavid C Somayajulu if (test_bit(DPC_RESET_HA_INTR, &ha->dpc_flags)) { 5381afaf5a2dSDavid Somayajulu uint8_t wait_time = RESET_INTR_TOV; 5382afaf5a2dSDavid Somayajulu 5383afaf5a2dSDavid Somayajulu while ((readw(&ha->reg->ctrl_status) & 5384afaf5a2dSDavid Somayajulu (CSR_SOFT_RESET | CSR_FORCE_SOFT_RESET)) != 0) { 5385afaf5a2dSDavid Somayajulu if (--wait_time == 0) 5386afaf5a2dSDavid Somayajulu break; 5387afaf5a2dSDavid Somayajulu msleep(1000); 5388afaf5a2dSDavid Somayajulu } 5389afaf5a2dSDavid Somayajulu if (wait_time == 0) 5390afaf5a2dSDavid Somayajulu DEBUG2(printk("scsi%ld: %s: SR|FSR " 5391afaf5a2dSDavid Somayajulu "bit not cleared-- resetting\n", 5392afaf5a2dSDavid Somayajulu ha->host_no, __func__)); 5393f4f5df23SVikas Chaudhary qla4xxx_abort_active_cmds(ha, DID_RESET << 16); 5394477ffb9dSDavid C Somayajulu if (ql4xxx_lock_drvr_wait(ha) == QLA_SUCCESS) { 5395477ffb9dSDavid C Somayajulu qla4xxx_process_aen(ha, FLUSH_DDB_CHANGED_AENS); 5396f4f5df23SVikas Chaudhary status = qla4xxx_recover_adapter(ha); 5397477ffb9dSDavid C Somayajulu } 5398477ffb9dSDavid C Somayajulu clear_bit(DPC_RESET_HA_INTR, &ha->dpc_flags); 5399477ffb9dSDavid C Somayajulu if (status == QLA_SUCCESS) 5400f4f5df23SVikas Chaudhary ha->isp_ops->enable_intrs(ha); 5401afaf5a2dSDavid Somayajulu } 5402afaf5a2dSDavid Somayajulu } 5403afaf5a2dSDavid Somayajulu 5404f4f5df23SVikas Chaudhary dpc_post_reset_ha: 5405afaf5a2dSDavid Somayajulu /* ---- process AEN? --- */ 5406afaf5a2dSDavid Somayajulu if (test_and_clear_bit(DPC_AEN, &ha->dpc_flags)) 5407afaf5a2dSDavid Somayajulu qla4xxx_process_aen(ha, PROCESS_ALL_AENS); 5408afaf5a2dSDavid Somayajulu 5409afaf5a2dSDavid Somayajulu /* ---- Get DHCP IP Address? --- */ 5410afaf5a2dSDavid Somayajulu if (test_and_clear_bit(DPC_GET_DHCP_IP_ADDR, &ha->dpc_flags)) 5411afaf5a2dSDavid Somayajulu qla4xxx_get_dhcp_ip_address(ha); 5412afaf5a2dSDavid Somayajulu 541313483730SMike Christie /* ---- relogin device? --- */ 541413483730SMike Christie if (adapter_up(ha) && 541513483730SMike Christie test_and_clear_bit(DPC_RELOGIN_DEVICE, &ha->dpc_flags)) { 541613483730SMike Christie iscsi_host_for_each_session(ha->host, qla4xxx_dpc_relogin); 541713483730SMike Christie } 541813483730SMike Christie 5419065aa1b4SVikas Chaudhary /* ---- link change? --- */ 5420026fbd3aSNilesh Javali if (!test_bit(AF_LOOPBACK, &ha->flags) && 5421026fbd3aSNilesh Javali test_and_clear_bit(DPC_LINK_CHANGED, &ha->dpc_flags)) { 5422065aa1b4SVikas Chaudhary if (!test_bit(AF_LINK_UP, &ha->flags)) { 5423065aa1b4SVikas Chaudhary /* ---- link down? --- */ 54242d7924e6SVikas Chaudhary qla4xxx_mark_all_devices_missing(ha); 5425065aa1b4SVikas Chaudhary } else { 5426065aa1b4SVikas Chaudhary /* ---- link up? --- * 5427065aa1b4SVikas Chaudhary * F/W will auto login to all devices ONLY ONCE after 5428065aa1b4SVikas Chaudhary * link up during driver initialization and runtime 5429065aa1b4SVikas Chaudhary * fatal error recovery. Therefore, the driver must 5430065aa1b4SVikas Chaudhary * manually relogin to devices when recovering from 5431065aa1b4SVikas Chaudhary * connection failures, logouts, expired KATO, etc. */ 543213483730SMike Christie if (test_and_clear_bit(AF_BUILD_DDB_LIST, &ha->flags)) { 543313483730SMike Christie qla4xxx_build_ddb_list(ha, ha->is_reset); 543413483730SMike Christie iscsi_host_for_each_session(ha->host, 543513483730SMike Christie qla4xxx_login_flash_ddb); 543613483730SMike Christie } else 54372d7924e6SVikas Chaudhary qla4xxx_relogin_all_devices(ha); 5438065aa1b4SVikas Chaudhary } 5439065aa1b4SVikas Chaudhary } 5440906cbf3dSNilesh Javali if (test_and_clear_bit(DPC_SYSFS_DDB_EXPORT, &ha->dpc_flags)) { 5441906cbf3dSNilesh Javali if (qla4xxx_sysfs_ddb_export(ha)) 5442906cbf3dSNilesh Javali ql4_printk(KERN_ERR, ha, "%s: Error exporting ddb to sysfs\n", 5443906cbf3dSNilesh Javali __func__); 5444906cbf3dSNilesh Javali } 5445afaf5a2dSDavid Somayajulu } 5446afaf5a2dSDavid Somayajulu 5447afaf5a2dSDavid Somayajulu /** 5448afaf5a2dSDavid Somayajulu * qla4xxx_free_adapter - release the adapter 5449afaf5a2dSDavid Somayajulu * @ha: pointer to adapter structure 5450afaf5a2dSDavid Somayajulu **/ 5451afaf5a2dSDavid Somayajulu static void qla4xxx_free_adapter(struct scsi_qla_host *ha) 5452afaf5a2dSDavid Somayajulu { 54538a288960SSarang Radke qla4xxx_abort_active_cmds(ha, DID_NO_CONNECT << 16); 5454afaf5a2dSDavid Somayajulu 5455afaf5a2dSDavid Somayajulu /* Turn-off interrupts on the card. */ 5456f4f5df23SVikas Chaudhary ha->isp_ops->disable_intrs(ha); 5457afaf5a2dSDavid Somayajulu 5458d9e62e51SVikas Chaudhary if (is_qla40XX(ha)) { 5459d9e62e51SVikas Chaudhary writel(set_rmask(CSR_SCSI_PROCESSOR_INTR), 5460d9e62e51SVikas Chaudhary &ha->reg->ctrl_status); 5461d9e62e51SVikas Chaudhary readl(&ha->reg->ctrl_status); 5462d9e62e51SVikas Chaudhary } else if (is_qla8022(ha)) { 54637664a1fdSVikas Chaudhary writel(0, &ha->qla4_82xx_reg->host_int); 54647664a1fdSVikas Chaudhary readl(&ha->qla4_82xx_reg->host_int); 5465b37ca418SVikas Chaudhary } else if (is_qla8032(ha) || is_qla8042(ha)) { 5466fbd8107cSVikas Chaudhary writel(0, &ha->qla4_83xx_reg->risc_intr); 5467fbd8107cSVikas Chaudhary readl(&ha->qla4_83xx_reg->risc_intr); 5468d9e62e51SVikas Chaudhary } 5469d9e62e51SVikas Chaudhary 5470afaf5a2dSDavid Somayajulu /* Remove timer thread, if present */ 5471afaf5a2dSDavid Somayajulu if (ha->timer_active) 5472afaf5a2dSDavid Somayajulu qla4xxx_stop_timer(ha); 5473afaf5a2dSDavid Somayajulu 5474f4f5df23SVikas Chaudhary /* Kill the kernel thread for this host */ 5475f4f5df23SVikas Chaudhary if (ha->dpc_thread) 5476f4f5df23SVikas Chaudhary destroy_workqueue(ha->dpc_thread); 5477f4f5df23SVikas Chaudhary 5478b3a271a9SManish Rangankar /* Kill the kernel thread for this host */ 5479b3a271a9SManish Rangankar if (ha->task_wq) 5480b3a271a9SManish Rangankar destroy_workqueue(ha->task_wq); 5481b3a271a9SManish Rangankar 5482f4f5df23SVikas Chaudhary /* Put firmware in known state */ 5483f4f5df23SVikas Chaudhary ha->isp_ops->reset_firmware(ha); 5484f4f5df23SVikas Chaudhary 54856e7b4292SVikas Chaudhary if (is_qla80XX(ha)) { 548633693c7aSVikas Chaudhary ha->isp_ops->idc_lock(ha); 5487f4f5df23SVikas Chaudhary qla4_8xxx_clear_drv_active(ha); 548833693c7aSVikas Chaudhary ha->isp_ops->idc_unlock(ha); 5489f4f5df23SVikas Chaudhary } 5490f4f5df23SVikas Chaudhary 5491afaf5a2dSDavid Somayajulu /* Detach interrupts */ 5492f4f5df23SVikas Chaudhary qla4xxx_free_irqs(ha); 5493afaf5a2dSDavid Somayajulu 5494bee4fe8eSDavid C Somayajulu /* free extra memory */ 5495bee4fe8eSDavid C Somayajulu qla4xxx_mem_free(ha); 5496f4f5df23SVikas Chaudhary } 5497bee4fe8eSDavid C Somayajulu 5498f4f5df23SVikas Chaudhary int qla4_8xxx_iospace_config(struct scsi_qla_host *ha) 5499f4f5df23SVikas Chaudhary { 5500f4f5df23SVikas Chaudhary int status = 0; 5501f4f5df23SVikas Chaudhary unsigned long mem_base, mem_len, db_base, db_len; 5502f4f5df23SVikas Chaudhary struct pci_dev *pdev = ha->pdev; 5503afaf5a2dSDavid Somayajulu 5504f4f5df23SVikas Chaudhary status = pci_request_regions(pdev, DRIVER_NAME); 5505f4f5df23SVikas Chaudhary if (status) { 5506f4f5df23SVikas Chaudhary printk(KERN_WARNING 5507f4f5df23SVikas Chaudhary "scsi(%ld) Failed to reserve PIO regions (%s) " 5508f4f5df23SVikas Chaudhary "status=%d\n", ha->host_no, pci_name(pdev), status); 5509f4f5df23SVikas Chaudhary goto iospace_error_exit; 5510f4f5df23SVikas Chaudhary } 5511f4f5df23SVikas Chaudhary 5512f4f5df23SVikas Chaudhary DEBUG2(printk(KERN_INFO "%s: revision-id=%d\n", 55137d7311c4SSergei Shtylyov __func__, pdev->revision)); 55147d7311c4SSergei Shtylyov ha->revision_id = pdev->revision; 5515f4f5df23SVikas Chaudhary 5516f4f5df23SVikas Chaudhary /* remap phys address */ 5517f4f5df23SVikas Chaudhary mem_base = pci_resource_start(pdev, 0); /* 0 is for BAR 0 */ 5518f4f5df23SVikas Chaudhary mem_len = pci_resource_len(pdev, 0); 5519f4f5df23SVikas Chaudhary DEBUG2(printk(KERN_INFO "%s: ioremap from %lx a size of %lx\n", 5520f4f5df23SVikas Chaudhary __func__, mem_base, mem_len)); 5521f4f5df23SVikas Chaudhary 5522f4f5df23SVikas Chaudhary /* mapping of pcibase pointer */ 5523f4f5df23SVikas Chaudhary ha->nx_pcibase = (unsigned long)ioremap(mem_base, mem_len); 5524f4f5df23SVikas Chaudhary if (!ha->nx_pcibase) { 5525f4f5df23SVikas Chaudhary printk(KERN_ERR 5526f4f5df23SVikas Chaudhary "cannot remap MMIO (%s), aborting\n", pci_name(pdev)); 5527f4f5df23SVikas Chaudhary pci_release_regions(ha->pdev); 5528f4f5df23SVikas Chaudhary goto iospace_error_exit; 5529f4f5df23SVikas Chaudhary } 5530f4f5df23SVikas Chaudhary 5531f4f5df23SVikas Chaudhary /* Mapping of IO base pointer, door bell read and write pointer */ 5532f4f5df23SVikas Chaudhary 5533f4f5df23SVikas Chaudhary /* mapping of IO base pointer */ 55346e7b4292SVikas Chaudhary if (is_qla8022(ha)) { 55356e7b4292SVikas Chaudhary ha->qla4_82xx_reg = (struct device_reg_82xx __iomem *) 55366e7b4292SVikas Chaudhary ((uint8_t *)ha->nx_pcibase + 0xbc000 + 55376e7b4292SVikas Chaudhary (ha->pdev->devfn << 11)); 55386e7b4292SVikas Chaudhary ha->nx_db_wr_ptr = (ha->pdev->devfn == 4 ? QLA82XX_CAM_RAM_DB1 : 55396e7b4292SVikas Chaudhary QLA82XX_CAM_RAM_DB2); 5540b37ca418SVikas Chaudhary } else if (is_qla8032(ha) || is_qla8042(ha)) { 55416e7b4292SVikas Chaudhary ha->qla4_83xx_reg = (struct device_reg_83xx __iomem *) 55426e7b4292SVikas Chaudhary ((uint8_t *)ha->nx_pcibase); 55436e7b4292SVikas Chaudhary } 5544f4f5df23SVikas Chaudhary 5545f4f5df23SVikas Chaudhary db_base = pci_resource_start(pdev, 4); /* doorbell is on bar 4 */ 5546f4f5df23SVikas Chaudhary db_len = pci_resource_len(pdev, 4); 5547f4f5df23SVikas Chaudhary 55482657c800SShyam Sundar return 0; 5549f4f5df23SVikas Chaudhary iospace_error_exit: 5550f4f5df23SVikas Chaudhary return -ENOMEM; 5551afaf5a2dSDavid Somayajulu } 5552afaf5a2dSDavid Somayajulu 5553afaf5a2dSDavid Somayajulu /*** 5554afaf5a2dSDavid Somayajulu * qla4xxx_iospace_config - maps registers 5555afaf5a2dSDavid Somayajulu * @ha: pointer to adapter structure 5556afaf5a2dSDavid Somayajulu * 5557afaf5a2dSDavid Somayajulu * This routines maps HBA's registers from the pci address space 5558afaf5a2dSDavid Somayajulu * into the kernel virtual address space for memory mapped i/o. 5559afaf5a2dSDavid Somayajulu **/ 5560f4f5df23SVikas Chaudhary int qla4xxx_iospace_config(struct scsi_qla_host *ha) 5561afaf5a2dSDavid Somayajulu { 5562afaf5a2dSDavid Somayajulu unsigned long pio, pio_len, pio_flags; 5563afaf5a2dSDavid Somayajulu unsigned long mmio, mmio_len, mmio_flags; 5564afaf5a2dSDavid Somayajulu 5565afaf5a2dSDavid Somayajulu pio = pci_resource_start(ha->pdev, 0); 5566afaf5a2dSDavid Somayajulu pio_len = pci_resource_len(ha->pdev, 0); 5567afaf5a2dSDavid Somayajulu pio_flags = pci_resource_flags(ha->pdev, 0); 5568afaf5a2dSDavid Somayajulu if (pio_flags & IORESOURCE_IO) { 5569afaf5a2dSDavid Somayajulu if (pio_len < MIN_IOBASE_LEN) { 5570c2660df3SVikas Chaudhary ql4_printk(KERN_WARNING, ha, 5571afaf5a2dSDavid Somayajulu "Invalid PCI I/O region size\n"); 5572afaf5a2dSDavid Somayajulu pio = 0; 5573afaf5a2dSDavid Somayajulu } 5574afaf5a2dSDavid Somayajulu } else { 5575c2660df3SVikas Chaudhary ql4_printk(KERN_WARNING, ha, "region #0 not a PIO resource\n"); 5576afaf5a2dSDavid Somayajulu pio = 0; 5577afaf5a2dSDavid Somayajulu } 5578afaf5a2dSDavid Somayajulu 5579afaf5a2dSDavid Somayajulu /* Use MMIO operations for all accesses. */ 5580afaf5a2dSDavid Somayajulu mmio = pci_resource_start(ha->pdev, 1); 5581afaf5a2dSDavid Somayajulu mmio_len = pci_resource_len(ha->pdev, 1); 5582afaf5a2dSDavid Somayajulu mmio_flags = pci_resource_flags(ha->pdev, 1); 5583afaf5a2dSDavid Somayajulu 5584afaf5a2dSDavid Somayajulu if (!(mmio_flags & IORESOURCE_MEM)) { 5585c2660df3SVikas Chaudhary ql4_printk(KERN_ERR, ha, 5586afaf5a2dSDavid Somayajulu "region #0 not an MMIO resource, aborting\n"); 5587afaf5a2dSDavid Somayajulu 5588afaf5a2dSDavid Somayajulu goto iospace_error_exit; 5589afaf5a2dSDavid Somayajulu } 5590c2660df3SVikas Chaudhary 5591afaf5a2dSDavid Somayajulu if (mmio_len < MIN_IOBASE_LEN) { 5592c2660df3SVikas Chaudhary ql4_printk(KERN_ERR, ha, 5593afaf5a2dSDavid Somayajulu "Invalid PCI mem region size, aborting\n"); 5594afaf5a2dSDavid Somayajulu goto iospace_error_exit; 5595afaf5a2dSDavid Somayajulu } 5596afaf5a2dSDavid Somayajulu 5597afaf5a2dSDavid Somayajulu if (pci_request_regions(ha->pdev, DRIVER_NAME)) { 5598c2660df3SVikas Chaudhary ql4_printk(KERN_WARNING, ha, 5599afaf5a2dSDavid Somayajulu "Failed to reserve PIO/MMIO regions\n"); 5600afaf5a2dSDavid Somayajulu 5601afaf5a2dSDavid Somayajulu goto iospace_error_exit; 5602afaf5a2dSDavid Somayajulu } 5603afaf5a2dSDavid Somayajulu 5604afaf5a2dSDavid Somayajulu ha->pio_address = pio; 5605afaf5a2dSDavid Somayajulu ha->pio_length = pio_len; 5606afaf5a2dSDavid Somayajulu ha->reg = ioremap(mmio, MIN_IOBASE_LEN); 5607afaf5a2dSDavid Somayajulu if (!ha->reg) { 5608c2660df3SVikas Chaudhary ql4_printk(KERN_ERR, ha, 5609afaf5a2dSDavid Somayajulu "cannot remap MMIO, aborting\n"); 5610afaf5a2dSDavid Somayajulu 5611afaf5a2dSDavid Somayajulu goto iospace_error_exit; 5612afaf5a2dSDavid Somayajulu } 5613afaf5a2dSDavid Somayajulu 5614afaf5a2dSDavid Somayajulu return 0; 5615afaf5a2dSDavid Somayajulu 5616afaf5a2dSDavid Somayajulu iospace_error_exit: 5617afaf5a2dSDavid Somayajulu return -ENOMEM; 5618afaf5a2dSDavid Somayajulu } 5619afaf5a2dSDavid Somayajulu 5620f4f5df23SVikas Chaudhary static struct isp_operations qla4xxx_isp_ops = { 5621f4f5df23SVikas Chaudhary .iospace_config = qla4xxx_iospace_config, 5622f4f5df23SVikas Chaudhary .pci_config = qla4xxx_pci_config, 5623f4f5df23SVikas Chaudhary .disable_intrs = qla4xxx_disable_intrs, 5624f4f5df23SVikas Chaudhary .enable_intrs = qla4xxx_enable_intrs, 5625f4f5df23SVikas Chaudhary .start_firmware = qla4xxx_start_firmware, 5626f4f5df23SVikas Chaudhary .intr_handler = qla4xxx_intr_handler, 5627f4f5df23SVikas Chaudhary .interrupt_service_routine = qla4xxx_interrupt_service_routine, 5628f4f5df23SVikas Chaudhary .reset_chip = qla4xxx_soft_reset, 5629f4f5df23SVikas Chaudhary .reset_firmware = qla4xxx_hw_reset, 5630f4f5df23SVikas Chaudhary .queue_iocb = qla4xxx_queue_iocb, 5631f4f5df23SVikas Chaudhary .complete_iocb = qla4xxx_complete_iocb, 5632f4f5df23SVikas Chaudhary .rd_shdw_req_q_out = qla4xxx_rd_shdw_req_q_out, 5633f4f5df23SVikas Chaudhary .rd_shdw_rsp_q_in = qla4xxx_rd_shdw_rsp_q_in, 5634f4f5df23SVikas Chaudhary .get_sys_info = qla4xxx_get_sys_info, 563533693c7aSVikas Chaudhary .queue_mailbox_command = qla4xxx_queue_mbox_cmd, 563633693c7aSVikas Chaudhary .process_mailbox_interrupt = qla4xxx_process_mbox_intr, 5637f4f5df23SVikas Chaudhary }; 5638f4f5df23SVikas Chaudhary 56397664a1fdSVikas Chaudhary static struct isp_operations qla4_82xx_isp_ops = { 5640f4f5df23SVikas Chaudhary .iospace_config = qla4_8xxx_iospace_config, 5641f4f5df23SVikas Chaudhary .pci_config = qla4_8xxx_pci_config, 5642f8086f4fSVikas Chaudhary .disable_intrs = qla4_82xx_disable_intrs, 5643f8086f4fSVikas Chaudhary .enable_intrs = qla4_82xx_enable_intrs, 5644f4f5df23SVikas Chaudhary .start_firmware = qla4_8xxx_load_risc, 564533693c7aSVikas Chaudhary .restart_firmware = qla4_82xx_try_start_fw, 5646f8086f4fSVikas Chaudhary .intr_handler = qla4_82xx_intr_handler, 5647f8086f4fSVikas Chaudhary .interrupt_service_routine = qla4_82xx_interrupt_service_routine, 564833693c7aSVikas Chaudhary .need_reset = qla4_8xxx_need_reset, 5649f8086f4fSVikas Chaudhary .reset_chip = qla4_82xx_isp_reset, 5650f4f5df23SVikas Chaudhary .reset_firmware = qla4_8xxx_stop_firmware, 5651f8086f4fSVikas Chaudhary .queue_iocb = qla4_82xx_queue_iocb, 5652f8086f4fSVikas Chaudhary .complete_iocb = qla4_82xx_complete_iocb, 5653f8086f4fSVikas Chaudhary .rd_shdw_req_q_out = qla4_82xx_rd_shdw_req_q_out, 5654f8086f4fSVikas Chaudhary .rd_shdw_rsp_q_in = qla4_82xx_rd_shdw_rsp_q_in, 5655f4f5df23SVikas Chaudhary .get_sys_info = qla4_8xxx_get_sys_info, 565633693c7aSVikas Chaudhary .rd_reg_direct = qla4_82xx_rd_32, 565733693c7aSVikas Chaudhary .wr_reg_direct = qla4_82xx_wr_32, 565833693c7aSVikas Chaudhary .rd_reg_indirect = qla4_82xx_md_rd_32, 565933693c7aSVikas Chaudhary .wr_reg_indirect = qla4_82xx_md_wr_32, 566033693c7aSVikas Chaudhary .idc_lock = qla4_82xx_idc_lock, 566133693c7aSVikas Chaudhary .idc_unlock = qla4_82xx_idc_unlock, 566233693c7aSVikas Chaudhary .rom_lock_recovery = qla4_82xx_rom_lock_recovery, 566333693c7aSVikas Chaudhary .queue_mailbox_command = qla4_82xx_queue_mbox_cmd, 566433693c7aSVikas Chaudhary .process_mailbox_interrupt = qla4_82xx_process_mbox_intr, 5665f4f5df23SVikas Chaudhary }; 5666f4f5df23SVikas Chaudhary 56676e7b4292SVikas Chaudhary static struct isp_operations qla4_83xx_isp_ops = { 56686e7b4292SVikas Chaudhary .iospace_config = qla4_8xxx_iospace_config, 56696e7b4292SVikas Chaudhary .pci_config = qla4_8xxx_pci_config, 56706e7b4292SVikas Chaudhary .disable_intrs = qla4_83xx_disable_intrs, 56716e7b4292SVikas Chaudhary .enable_intrs = qla4_83xx_enable_intrs, 56726e7b4292SVikas Chaudhary .start_firmware = qla4_8xxx_load_risc, 56736e7b4292SVikas Chaudhary .restart_firmware = qla4_83xx_start_firmware, 56746e7b4292SVikas Chaudhary .intr_handler = qla4_83xx_intr_handler, 56756e7b4292SVikas Chaudhary .interrupt_service_routine = qla4_83xx_interrupt_service_routine, 56766e7b4292SVikas Chaudhary .need_reset = qla4_8xxx_need_reset, 56776e7b4292SVikas Chaudhary .reset_chip = qla4_83xx_isp_reset, 56786e7b4292SVikas Chaudhary .reset_firmware = qla4_8xxx_stop_firmware, 56796e7b4292SVikas Chaudhary .queue_iocb = qla4_83xx_queue_iocb, 56806e7b4292SVikas Chaudhary .complete_iocb = qla4_83xx_complete_iocb, 5681a24058f9STej Parkash .rd_shdw_req_q_out = qla4xxx_rd_shdw_req_q_out, 5682a24058f9STej Parkash .rd_shdw_rsp_q_in = qla4xxx_rd_shdw_rsp_q_in, 56836e7b4292SVikas Chaudhary .get_sys_info = qla4_8xxx_get_sys_info, 56846e7b4292SVikas Chaudhary .rd_reg_direct = qla4_83xx_rd_reg, 56856e7b4292SVikas Chaudhary .wr_reg_direct = qla4_83xx_wr_reg, 56866e7b4292SVikas Chaudhary .rd_reg_indirect = qla4_83xx_rd_reg_indirect, 56876e7b4292SVikas Chaudhary .wr_reg_indirect = qla4_83xx_wr_reg_indirect, 56886e7b4292SVikas Chaudhary .idc_lock = qla4_83xx_drv_lock, 56896e7b4292SVikas Chaudhary .idc_unlock = qla4_83xx_drv_unlock, 56906e7b4292SVikas Chaudhary .rom_lock_recovery = qla4_83xx_rom_lock_recovery, 56916e7b4292SVikas Chaudhary .queue_mailbox_command = qla4_83xx_queue_mbox_cmd, 56926e7b4292SVikas Chaudhary .process_mailbox_interrupt = qla4_83xx_process_mbox_intr, 5693f4f5df23SVikas Chaudhary }; 5694f4f5df23SVikas Chaudhary 5695f4f5df23SVikas Chaudhary uint16_t qla4xxx_rd_shdw_req_q_out(struct scsi_qla_host *ha) 5696f4f5df23SVikas Chaudhary { 5697f4f5df23SVikas Chaudhary return (uint16_t)le32_to_cpu(ha->shadow_regs->req_q_out); 5698f4f5df23SVikas Chaudhary } 5699f4f5df23SVikas Chaudhary 5700f8086f4fSVikas Chaudhary uint16_t qla4_82xx_rd_shdw_req_q_out(struct scsi_qla_host *ha) 5701f4f5df23SVikas Chaudhary { 57027664a1fdSVikas Chaudhary return (uint16_t)le32_to_cpu(readl(&ha->qla4_82xx_reg->req_q_out)); 5703f4f5df23SVikas Chaudhary } 5704f4f5df23SVikas Chaudhary 5705f4f5df23SVikas Chaudhary uint16_t qla4xxx_rd_shdw_rsp_q_in(struct scsi_qla_host *ha) 5706f4f5df23SVikas Chaudhary { 5707f4f5df23SVikas Chaudhary return (uint16_t)le32_to_cpu(ha->shadow_regs->rsp_q_in); 5708f4f5df23SVikas Chaudhary } 5709f4f5df23SVikas Chaudhary 5710f8086f4fSVikas Chaudhary uint16_t qla4_82xx_rd_shdw_rsp_q_in(struct scsi_qla_host *ha) 5711f4f5df23SVikas Chaudhary { 57127664a1fdSVikas Chaudhary return (uint16_t)le32_to_cpu(readl(&ha->qla4_82xx_reg->rsp_q_in)); 5713f4f5df23SVikas Chaudhary } 5714f4f5df23SVikas Chaudhary 57152a991c21SManish Rangankar static ssize_t qla4xxx_show_boot_eth_info(void *data, int type, char *buf) 57162a991c21SManish Rangankar { 57172a991c21SManish Rangankar struct scsi_qla_host *ha = data; 57182a991c21SManish Rangankar char *str = buf; 57192a991c21SManish Rangankar int rc; 57202a991c21SManish Rangankar 57212a991c21SManish Rangankar switch (type) { 57222a991c21SManish Rangankar case ISCSI_BOOT_ETH_FLAGS: 57232a991c21SManish Rangankar rc = sprintf(str, "%d\n", SYSFS_FLAG_FW_SEL_BOOT); 57242a991c21SManish Rangankar break; 57252a991c21SManish Rangankar case ISCSI_BOOT_ETH_INDEX: 57262a991c21SManish Rangankar rc = sprintf(str, "0\n"); 57272a991c21SManish Rangankar break; 57282a991c21SManish Rangankar case ISCSI_BOOT_ETH_MAC: 57292a991c21SManish Rangankar rc = sysfs_format_mac(str, ha->my_mac, 57302a991c21SManish Rangankar MAC_ADDR_LEN); 57312a991c21SManish Rangankar break; 57322a991c21SManish Rangankar default: 57332a991c21SManish Rangankar rc = -ENOSYS; 57342a991c21SManish Rangankar break; 57352a991c21SManish Rangankar } 57362a991c21SManish Rangankar return rc; 57372a991c21SManish Rangankar } 57382a991c21SManish Rangankar 5739587a1f16SAl Viro static umode_t qla4xxx_eth_get_attr_visibility(void *data, int type) 57402a991c21SManish Rangankar { 57412a991c21SManish Rangankar int rc; 57422a991c21SManish Rangankar 57432a991c21SManish Rangankar switch (type) { 57442a991c21SManish Rangankar case ISCSI_BOOT_ETH_FLAGS: 57452a991c21SManish Rangankar case ISCSI_BOOT_ETH_MAC: 57462a991c21SManish Rangankar case ISCSI_BOOT_ETH_INDEX: 57472a991c21SManish Rangankar rc = S_IRUGO; 57482a991c21SManish Rangankar break; 57492a991c21SManish Rangankar default: 57502a991c21SManish Rangankar rc = 0; 57512a991c21SManish Rangankar break; 57522a991c21SManish Rangankar } 57532a991c21SManish Rangankar return rc; 57542a991c21SManish Rangankar } 57552a991c21SManish Rangankar 57562a991c21SManish Rangankar static ssize_t qla4xxx_show_boot_ini_info(void *data, int type, char *buf) 57572a991c21SManish Rangankar { 57582a991c21SManish Rangankar struct scsi_qla_host *ha = data; 57592a991c21SManish Rangankar char *str = buf; 57602a991c21SManish Rangankar int rc; 57612a991c21SManish Rangankar 57622a991c21SManish Rangankar switch (type) { 57632a991c21SManish Rangankar case ISCSI_BOOT_INI_INITIATOR_NAME: 57642a991c21SManish Rangankar rc = sprintf(str, "%s\n", ha->name_string); 57652a991c21SManish Rangankar break; 57662a991c21SManish Rangankar default: 57672a991c21SManish Rangankar rc = -ENOSYS; 57682a991c21SManish Rangankar break; 57692a991c21SManish Rangankar } 57702a991c21SManish Rangankar return rc; 57712a991c21SManish Rangankar } 57722a991c21SManish Rangankar 5773587a1f16SAl Viro static umode_t qla4xxx_ini_get_attr_visibility(void *data, int type) 57742a991c21SManish Rangankar { 57752a991c21SManish Rangankar int rc; 57762a991c21SManish Rangankar 57772a991c21SManish Rangankar switch (type) { 57782a991c21SManish Rangankar case ISCSI_BOOT_INI_INITIATOR_NAME: 57792a991c21SManish Rangankar rc = S_IRUGO; 57802a991c21SManish Rangankar break; 57812a991c21SManish Rangankar default: 57822a991c21SManish Rangankar rc = 0; 57832a991c21SManish Rangankar break; 57842a991c21SManish Rangankar } 57852a991c21SManish Rangankar return rc; 57862a991c21SManish Rangankar } 57872a991c21SManish Rangankar 57882a991c21SManish Rangankar static ssize_t 57892a991c21SManish Rangankar qla4xxx_show_boot_tgt_info(struct ql4_boot_session_info *boot_sess, int type, 57902a991c21SManish Rangankar char *buf) 57912a991c21SManish Rangankar { 57922a991c21SManish Rangankar struct ql4_conn_info *boot_conn = &boot_sess->conn_list[0]; 57932a991c21SManish Rangankar char *str = buf; 57942a991c21SManish Rangankar int rc; 57952a991c21SManish Rangankar 57962a991c21SManish Rangankar switch (type) { 57972a991c21SManish Rangankar case ISCSI_BOOT_TGT_NAME: 57982a991c21SManish Rangankar rc = sprintf(buf, "%s\n", (char *)&boot_sess->target_name); 57992a991c21SManish Rangankar break; 58002a991c21SManish Rangankar case ISCSI_BOOT_TGT_IP_ADDR: 58012a991c21SManish Rangankar if (boot_sess->conn_list[0].dest_ipaddr.ip_type == 0x1) 58022a991c21SManish Rangankar rc = sprintf(buf, "%pI4\n", 58032a991c21SManish Rangankar &boot_conn->dest_ipaddr.ip_address); 58042a991c21SManish Rangankar else 58052a991c21SManish Rangankar rc = sprintf(str, "%pI6\n", 58062a991c21SManish Rangankar &boot_conn->dest_ipaddr.ip_address); 58072a991c21SManish Rangankar break; 58082a991c21SManish Rangankar case ISCSI_BOOT_TGT_PORT: 58092a991c21SManish Rangankar rc = sprintf(str, "%d\n", boot_conn->dest_port); 58102a991c21SManish Rangankar break; 58112a991c21SManish Rangankar case ISCSI_BOOT_TGT_CHAP_NAME: 58122a991c21SManish Rangankar rc = sprintf(str, "%.*s\n", 58132a991c21SManish Rangankar boot_conn->chap.target_chap_name_length, 58142a991c21SManish Rangankar (char *)&boot_conn->chap.target_chap_name); 58152a991c21SManish Rangankar break; 58162a991c21SManish Rangankar case ISCSI_BOOT_TGT_CHAP_SECRET: 58172a991c21SManish Rangankar rc = sprintf(str, "%.*s\n", 58182a991c21SManish Rangankar boot_conn->chap.target_secret_length, 58192a991c21SManish Rangankar (char *)&boot_conn->chap.target_secret); 58202a991c21SManish Rangankar break; 58212a991c21SManish Rangankar case ISCSI_BOOT_TGT_REV_CHAP_NAME: 58222a991c21SManish Rangankar rc = sprintf(str, "%.*s\n", 58232a991c21SManish Rangankar boot_conn->chap.intr_chap_name_length, 58242a991c21SManish Rangankar (char *)&boot_conn->chap.intr_chap_name); 58252a991c21SManish Rangankar break; 58262a991c21SManish Rangankar case ISCSI_BOOT_TGT_REV_CHAP_SECRET: 58272a991c21SManish Rangankar rc = sprintf(str, "%.*s\n", 58282a991c21SManish Rangankar boot_conn->chap.intr_secret_length, 58292a991c21SManish Rangankar (char *)&boot_conn->chap.intr_secret); 58302a991c21SManish Rangankar break; 58312a991c21SManish Rangankar case ISCSI_BOOT_TGT_FLAGS: 58322a991c21SManish Rangankar rc = sprintf(str, "%d\n", SYSFS_FLAG_FW_SEL_BOOT); 58332a991c21SManish Rangankar break; 58342a991c21SManish Rangankar case ISCSI_BOOT_TGT_NIC_ASSOC: 58352a991c21SManish Rangankar rc = sprintf(str, "0\n"); 58362a991c21SManish Rangankar break; 58372a991c21SManish Rangankar default: 58382a991c21SManish Rangankar rc = -ENOSYS; 58392a991c21SManish Rangankar break; 58402a991c21SManish Rangankar } 58412a991c21SManish Rangankar return rc; 58422a991c21SManish Rangankar } 58432a991c21SManish Rangankar 58442a991c21SManish Rangankar static ssize_t qla4xxx_show_boot_tgt_pri_info(void *data, int type, char *buf) 58452a991c21SManish Rangankar { 58462a991c21SManish Rangankar struct scsi_qla_host *ha = data; 58472a991c21SManish Rangankar struct ql4_boot_session_info *boot_sess = &(ha->boot_tgt.boot_pri_sess); 58482a991c21SManish Rangankar 58492a991c21SManish Rangankar return qla4xxx_show_boot_tgt_info(boot_sess, type, buf); 58502a991c21SManish Rangankar } 58512a991c21SManish Rangankar 58522a991c21SManish Rangankar static ssize_t qla4xxx_show_boot_tgt_sec_info(void *data, int type, char *buf) 58532a991c21SManish Rangankar { 58542a991c21SManish Rangankar struct scsi_qla_host *ha = data; 58552a991c21SManish Rangankar struct ql4_boot_session_info *boot_sess = &(ha->boot_tgt.boot_sec_sess); 58562a991c21SManish Rangankar 58572a991c21SManish Rangankar return qla4xxx_show_boot_tgt_info(boot_sess, type, buf); 58582a991c21SManish Rangankar } 58592a991c21SManish Rangankar 5860587a1f16SAl Viro static umode_t qla4xxx_tgt_get_attr_visibility(void *data, int type) 58612a991c21SManish Rangankar { 58622a991c21SManish Rangankar int rc; 58632a991c21SManish Rangankar 58642a991c21SManish Rangankar switch (type) { 58652a991c21SManish Rangankar case ISCSI_BOOT_TGT_NAME: 58662a991c21SManish Rangankar case ISCSI_BOOT_TGT_IP_ADDR: 58672a991c21SManish Rangankar case ISCSI_BOOT_TGT_PORT: 58682a991c21SManish Rangankar case ISCSI_BOOT_TGT_CHAP_NAME: 58692a991c21SManish Rangankar case ISCSI_BOOT_TGT_CHAP_SECRET: 58702a991c21SManish Rangankar case ISCSI_BOOT_TGT_REV_CHAP_NAME: 58712a991c21SManish Rangankar case ISCSI_BOOT_TGT_REV_CHAP_SECRET: 58722a991c21SManish Rangankar case ISCSI_BOOT_TGT_NIC_ASSOC: 58732a991c21SManish Rangankar case ISCSI_BOOT_TGT_FLAGS: 58742a991c21SManish Rangankar rc = S_IRUGO; 58752a991c21SManish Rangankar break; 58762a991c21SManish Rangankar default: 58772a991c21SManish Rangankar rc = 0; 58782a991c21SManish Rangankar break; 58792a991c21SManish Rangankar } 58802a991c21SManish Rangankar return rc; 58812a991c21SManish Rangankar } 58822a991c21SManish Rangankar 58832a991c21SManish Rangankar static void qla4xxx_boot_release(void *data) 58842a991c21SManish Rangankar { 58852a991c21SManish Rangankar struct scsi_qla_host *ha = data; 58862a991c21SManish Rangankar 58872a991c21SManish Rangankar scsi_host_put(ha->host); 58882a991c21SManish Rangankar } 58892a991c21SManish Rangankar 58902a991c21SManish Rangankar static int get_fw_boot_info(struct scsi_qla_host *ha, uint16_t ddb_index[]) 58912a991c21SManish Rangankar { 58922a991c21SManish Rangankar dma_addr_t buf_dma; 58932a991c21SManish Rangankar uint32_t addr, pri_addr, sec_addr; 58942a991c21SManish Rangankar uint32_t offset; 58952a991c21SManish Rangankar uint16_t func_num; 58962a991c21SManish Rangankar uint8_t val; 58972a991c21SManish Rangankar uint8_t *buf = NULL; 58982a991c21SManish Rangankar size_t size = 13 * sizeof(uint8_t); 58992a991c21SManish Rangankar int ret = QLA_SUCCESS; 59002a991c21SManish Rangankar 59012a991c21SManish Rangankar func_num = PCI_FUNC(ha->pdev->devfn); 59022a991c21SManish Rangankar 59030d5b36b8SManish Rangankar ql4_printk(KERN_INFO, ha, "%s: Get FW boot info for 0x%x func %d\n", 59040d5b36b8SManish Rangankar __func__, ha->pdev->device, func_num); 59052a991c21SManish Rangankar 59060d5b36b8SManish Rangankar if (is_qla40XX(ha)) { 59072a991c21SManish Rangankar if (func_num == 1) { 59082a991c21SManish Rangankar addr = NVRAM_PORT0_BOOT_MODE; 59092a991c21SManish Rangankar pri_addr = NVRAM_PORT0_BOOT_PRI_TGT; 59102a991c21SManish Rangankar sec_addr = NVRAM_PORT0_BOOT_SEC_TGT; 59112a991c21SManish Rangankar } else if (func_num == 3) { 59122a991c21SManish Rangankar addr = NVRAM_PORT1_BOOT_MODE; 59132a991c21SManish Rangankar pri_addr = NVRAM_PORT1_BOOT_PRI_TGT; 59142a991c21SManish Rangankar sec_addr = NVRAM_PORT1_BOOT_SEC_TGT; 59152a991c21SManish Rangankar } else { 59162a991c21SManish Rangankar ret = QLA_ERROR; 59172a991c21SManish Rangankar goto exit_boot_info; 59182a991c21SManish Rangankar } 59192a991c21SManish Rangankar 59202a991c21SManish Rangankar /* Check Boot Mode */ 59212a991c21SManish Rangankar val = rd_nvram_byte(ha, addr); 59222a991c21SManish Rangankar if (!(val & 0x07)) { 5923e8fb00e0SManish Rangankar DEBUG2(ql4_printk(KERN_INFO, ha, "%s: Adapter boot " 5924e8fb00e0SManish Rangankar "options : 0x%x\n", __func__, val)); 59252a991c21SManish Rangankar ret = QLA_ERROR; 59262a991c21SManish Rangankar goto exit_boot_info; 59272a991c21SManish Rangankar } 59282a991c21SManish Rangankar 59292a991c21SManish Rangankar /* get primary valid target index */ 59302a991c21SManish Rangankar val = rd_nvram_byte(ha, pri_addr); 59312a991c21SManish Rangankar if (val & BIT_7) 59322a991c21SManish Rangankar ddb_index[0] = (val & 0x7f); 59332a991c21SManish Rangankar 59342a991c21SManish Rangankar /* get secondary valid target index */ 59352a991c21SManish Rangankar val = rd_nvram_byte(ha, sec_addr); 59362a991c21SManish Rangankar if (val & BIT_7) 59372a991c21SManish Rangankar ddb_index[1] = (val & 0x7f); 59382a991c21SManish Rangankar 59393e788fb1SVikas Chaudhary } else if (is_qla80XX(ha)) { 59402a991c21SManish Rangankar buf = dma_alloc_coherent(&ha->pdev->dev, size, 59412a991c21SManish Rangankar &buf_dma, GFP_KERNEL); 59422a991c21SManish Rangankar if (!buf) { 59432a991c21SManish Rangankar DEBUG2(ql4_printk(KERN_ERR, ha, 59442a991c21SManish Rangankar "%s: Unable to allocate dma buffer\n", 59452a991c21SManish Rangankar __func__)); 59462a991c21SManish Rangankar ret = QLA_ERROR; 59472a991c21SManish Rangankar goto exit_boot_info; 59482a991c21SManish Rangankar } 59492a991c21SManish Rangankar 59502a991c21SManish Rangankar if (ha->port_num == 0) 59512a991c21SManish Rangankar offset = BOOT_PARAM_OFFSET_PORT0; 59522a991c21SManish Rangankar else if (ha->port_num == 1) 59532a991c21SManish Rangankar offset = BOOT_PARAM_OFFSET_PORT1; 59542a991c21SManish Rangankar else { 59552a991c21SManish Rangankar ret = QLA_ERROR; 59562a991c21SManish Rangankar goto exit_boot_info_free; 59572a991c21SManish Rangankar } 59582a991c21SManish Rangankar addr = FLASH_RAW_ACCESS_ADDR + (ha->hw.flt_iscsi_param * 4) + 59592a991c21SManish Rangankar offset; 59602a991c21SManish Rangankar if (qla4xxx_get_flash(ha, buf_dma, addr, 59612a991c21SManish Rangankar 13 * sizeof(uint8_t)) != QLA_SUCCESS) { 59622a991c21SManish Rangankar DEBUG2(ql4_printk(KERN_ERR, ha, "scsi%ld: %s: Get Flash" 59632a991c21SManish Rangankar " failed\n", ha->host_no, __func__)); 59642a991c21SManish Rangankar ret = QLA_ERROR; 59652a991c21SManish Rangankar goto exit_boot_info_free; 59662a991c21SManish Rangankar } 59672a991c21SManish Rangankar /* Check Boot Mode */ 59682a991c21SManish Rangankar if (!(buf[1] & 0x07)) { 5969e8fb00e0SManish Rangankar DEBUG2(ql4_printk(KERN_INFO, ha, "Firmware boot options" 5970e8fb00e0SManish Rangankar " : 0x%x\n", buf[1])); 59712a991c21SManish Rangankar ret = QLA_ERROR; 59722a991c21SManish Rangankar goto exit_boot_info_free; 59732a991c21SManish Rangankar } 59742a991c21SManish Rangankar 59752a991c21SManish Rangankar /* get primary valid target index */ 59762a991c21SManish Rangankar if (buf[2] & BIT_7) 59772a991c21SManish Rangankar ddb_index[0] = buf[2] & 0x7f; 59782a991c21SManish Rangankar 59792a991c21SManish Rangankar /* get secondary valid target index */ 59802a991c21SManish Rangankar if (buf[11] & BIT_7) 59812a991c21SManish Rangankar ddb_index[1] = buf[11] & 0x7f; 59822a991c21SManish Rangankar } else { 59832a991c21SManish Rangankar ret = QLA_ERROR; 59842a991c21SManish Rangankar goto exit_boot_info; 59852a991c21SManish Rangankar } 59862a991c21SManish Rangankar 59872a991c21SManish Rangankar DEBUG2(ql4_printk(KERN_INFO, ha, "%s: Primary target ID %d, Secondary" 59882a991c21SManish Rangankar " target ID %d\n", __func__, ddb_index[0], 59892a991c21SManish Rangankar ddb_index[1])); 59902a991c21SManish Rangankar 59912a991c21SManish Rangankar exit_boot_info_free: 59922a991c21SManish Rangankar dma_free_coherent(&ha->pdev->dev, size, buf, buf_dma); 59932a991c21SManish Rangankar exit_boot_info: 599420e835b4SLalit Chandivade ha->pri_ddb_idx = ddb_index[0]; 599520e835b4SLalit Chandivade ha->sec_ddb_idx = ddb_index[1]; 59962a991c21SManish Rangankar return ret; 59972a991c21SManish Rangankar } 59982a991c21SManish Rangankar 599928deb45cSLalit Chandivade /** 600028deb45cSLalit Chandivade * qla4xxx_get_bidi_chap - Get a BIDI CHAP user and password 600128deb45cSLalit Chandivade * @ha: pointer to adapter structure 600228deb45cSLalit Chandivade * @username: CHAP username to be returned 600328deb45cSLalit Chandivade * @password: CHAP password to be returned 600428deb45cSLalit Chandivade * 600528deb45cSLalit Chandivade * If a boot entry has BIDI CHAP enabled then we need to set the BIDI CHAP 600628deb45cSLalit Chandivade * user and password in the sysfs entry in /sys/firmware/iscsi_boot#/. 600728deb45cSLalit Chandivade * So from the CHAP cache find the first BIDI CHAP entry and set it 600828deb45cSLalit Chandivade * to the boot record in sysfs. 600928deb45cSLalit Chandivade **/ 601028deb45cSLalit Chandivade static int qla4xxx_get_bidi_chap(struct scsi_qla_host *ha, char *username, 601128deb45cSLalit Chandivade char *password) 601228deb45cSLalit Chandivade { 601328deb45cSLalit Chandivade int i, ret = -EINVAL; 601428deb45cSLalit Chandivade int max_chap_entries = 0; 601528deb45cSLalit Chandivade struct ql4_chap_table *chap_table; 601628deb45cSLalit Chandivade 6017d11b0ca3SVikas Chaudhary if (is_qla80XX(ha)) 601828deb45cSLalit Chandivade max_chap_entries = (ha->hw.flt_chap_size / 2) / 601928deb45cSLalit Chandivade sizeof(struct ql4_chap_table); 602028deb45cSLalit Chandivade else 602128deb45cSLalit Chandivade max_chap_entries = MAX_CHAP_ENTRIES_40XX; 602228deb45cSLalit Chandivade 602328deb45cSLalit Chandivade if (!ha->chap_list) { 602428deb45cSLalit Chandivade ql4_printk(KERN_ERR, ha, "Do not have CHAP table cache\n"); 602528deb45cSLalit Chandivade return ret; 602628deb45cSLalit Chandivade } 602728deb45cSLalit Chandivade 602828deb45cSLalit Chandivade mutex_lock(&ha->chap_sem); 602928deb45cSLalit Chandivade for (i = 0; i < max_chap_entries; i++) { 603028deb45cSLalit Chandivade chap_table = (struct ql4_chap_table *)ha->chap_list + i; 603128deb45cSLalit Chandivade if (chap_table->cookie != 603228deb45cSLalit Chandivade __constant_cpu_to_le16(CHAP_VALID_COOKIE)) { 603328deb45cSLalit Chandivade continue; 603428deb45cSLalit Chandivade } 603528deb45cSLalit Chandivade 603628deb45cSLalit Chandivade if (chap_table->flags & BIT_7) /* local */ 603728deb45cSLalit Chandivade continue; 603828deb45cSLalit Chandivade 603928deb45cSLalit Chandivade if (!(chap_table->flags & BIT_6)) /* Not BIDI */ 604028deb45cSLalit Chandivade continue; 604128deb45cSLalit Chandivade 6042bdbb9662SRickard Strandqvist strlcpy(password, chap_table->secret, QL4_CHAP_MAX_SECRET_LEN); 6043bdbb9662SRickard Strandqvist strlcpy(username, chap_table->name, QL4_CHAP_MAX_NAME_LEN); 604428deb45cSLalit Chandivade ret = 0; 604528deb45cSLalit Chandivade break; 604628deb45cSLalit Chandivade } 604728deb45cSLalit Chandivade mutex_unlock(&ha->chap_sem); 604828deb45cSLalit Chandivade 604928deb45cSLalit Chandivade return ret; 605028deb45cSLalit Chandivade } 605128deb45cSLalit Chandivade 605228deb45cSLalit Chandivade 60532a991c21SManish Rangankar static int qla4xxx_get_boot_target(struct scsi_qla_host *ha, 60542a991c21SManish Rangankar struct ql4_boot_session_info *boot_sess, 60552a991c21SManish Rangankar uint16_t ddb_index) 60562a991c21SManish Rangankar { 60572a991c21SManish Rangankar struct ql4_conn_info *boot_conn = &boot_sess->conn_list[0]; 60582a991c21SManish Rangankar struct dev_db_entry *fw_ddb_entry; 60592a991c21SManish Rangankar dma_addr_t fw_ddb_entry_dma; 60602a991c21SManish Rangankar uint16_t idx; 60612a991c21SManish Rangankar uint16_t options; 60622a991c21SManish Rangankar int ret = QLA_SUCCESS; 60632a991c21SManish Rangankar 60642a991c21SManish Rangankar fw_ddb_entry = dma_alloc_coherent(&ha->pdev->dev, sizeof(*fw_ddb_entry), 60652a991c21SManish Rangankar &fw_ddb_entry_dma, GFP_KERNEL); 60662a991c21SManish Rangankar if (!fw_ddb_entry) { 60672a991c21SManish Rangankar DEBUG2(ql4_printk(KERN_ERR, ha, 60682a991c21SManish Rangankar "%s: Unable to allocate dma buffer.\n", 60692a991c21SManish Rangankar __func__)); 60702a991c21SManish Rangankar ret = QLA_ERROR; 60712a991c21SManish Rangankar return ret; 60722a991c21SManish Rangankar } 60732a991c21SManish Rangankar 60742a991c21SManish Rangankar if (qla4xxx_bootdb_by_index(ha, fw_ddb_entry, 60752a991c21SManish Rangankar fw_ddb_entry_dma, ddb_index)) { 6076e8fb00e0SManish Rangankar DEBUG2(ql4_printk(KERN_INFO, ha, "%s: No Flash DDB found at " 6077e8fb00e0SManish Rangankar "index [%d]\n", __func__, ddb_index)); 60782a991c21SManish Rangankar ret = QLA_ERROR; 60792a991c21SManish Rangankar goto exit_boot_target; 60802a991c21SManish Rangankar } 60812a991c21SManish Rangankar 60822a991c21SManish Rangankar /* Update target name and IP from DDB */ 60832a991c21SManish Rangankar memcpy(boot_sess->target_name, fw_ddb_entry->iscsi_name, 60842a991c21SManish Rangankar min(sizeof(boot_sess->target_name), 60852a991c21SManish Rangankar sizeof(fw_ddb_entry->iscsi_name))); 60862a991c21SManish Rangankar 60872a991c21SManish Rangankar options = le16_to_cpu(fw_ddb_entry->options); 60882a991c21SManish Rangankar if (options & DDB_OPT_IPV6_DEVICE) { 60892a991c21SManish Rangankar memcpy(&boot_conn->dest_ipaddr.ip_address, 60902a991c21SManish Rangankar &fw_ddb_entry->ip_addr[0], IPv6_ADDR_LEN); 60912a991c21SManish Rangankar } else { 60922a991c21SManish Rangankar boot_conn->dest_ipaddr.ip_type = 0x1; 60932a991c21SManish Rangankar memcpy(&boot_conn->dest_ipaddr.ip_address, 60942a991c21SManish Rangankar &fw_ddb_entry->ip_addr[0], IP_ADDR_LEN); 60952a991c21SManish Rangankar } 60962a991c21SManish Rangankar 60972a991c21SManish Rangankar boot_conn->dest_port = le16_to_cpu(fw_ddb_entry->port); 60982a991c21SManish Rangankar 60992a991c21SManish Rangankar /* update chap information */ 61002a991c21SManish Rangankar idx = __le16_to_cpu(fw_ddb_entry->chap_tbl_idx); 61012a991c21SManish Rangankar 61022a991c21SManish Rangankar if (BIT_7 & le16_to_cpu(fw_ddb_entry->iscsi_options)) { 61032a991c21SManish Rangankar 61042a991c21SManish Rangankar DEBUG2(ql4_printk(KERN_INFO, ha, "Setting chap\n")); 61052a991c21SManish Rangankar 61062a991c21SManish Rangankar ret = qla4xxx_get_chap(ha, (char *)&boot_conn->chap. 61072a991c21SManish Rangankar target_chap_name, 61082a991c21SManish Rangankar (char *)&boot_conn->chap.target_secret, 61092a991c21SManish Rangankar idx); 61102a991c21SManish Rangankar if (ret) { 61112a991c21SManish Rangankar ql4_printk(KERN_ERR, ha, "Failed to set chap\n"); 61122a991c21SManish Rangankar ret = QLA_ERROR; 61132a991c21SManish Rangankar goto exit_boot_target; 61142a991c21SManish Rangankar } 61152a991c21SManish Rangankar 61162a991c21SManish Rangankar boot_conn->chap.target_chap_name_length = QL4_CHAP_MAX_NAME_LEN; 61172a991c21SManish Rangankar boot_conn->chap.target_secret_length = QL4_CHAP_MAX_SECRET_LEN; 61182a991c21SManish Rangankar } 61192a991c21SManish Rangankar 61202a991c21SManish Rangankar if (BIT_4 & le16_to_cpu(fw_ddb_entry->iscsi_options)) { 61212a991c21SManish Rangankar 61222a991c21SManish Rangankar DEBUG2(ql4_printk(KERN_INFO, ha, "Setting BIDI chap\n")); 61232a991c21SManish Rangankar 612428deb45cSLalit Chandivade ret = qla4xxx_get_bidi_chap(ha, 612528deb45cSLalit Chandivade (char *)&boot_conn->chap.intr_chap_name, 612628deb45cSLalit Chandivade (char *)&boot_conn->chap.intr_secret); 612728deb45cSLalit Chandivade 61282a991c21SManish Rangankar if (ret) { 61292a991c21SManish Rangankar ql4_printk(KERN_ERR, ha, "Failed to set BIDI chap\n"); 61302a991c21SManish Rangankar ret = QLA_ERROR; 61312a991c21SManish Rangankar goto exit_boot_target; 61322a991c21SManish Rangankar } 61332a991c21SManish Rangankar 61342a991c21SManish Rangankar boot_conn->chap.intr_chap_name_length = QL4_CHAP_MAX_NAME_LEN; 61352a991c21SManish Rangankar boot_conn->chap.intr_secret_length = QL4_CHAP_MAX_SECRET_LEN; 61362a991c21SManish Rangankar } 61372a991c21SManish Rangankar 61382a991c21SManish Rangankar exit_boot_target: 61392a991c21SManish Rangankar dma_free_coherent(&ha->pdev->dev, sizeof(*fw_ddb_entry), 61402a991c21SManish Rangankar fw_ddb_entry, fw_ddb_entry_dma); 61412a991c21SManish Rangankar return ret; 61422a991c21SManish Rangankar } 61432a991c21SManish Rangankar 61442a991c21SManish Rangankar static int qla4xxx_get_boot_info(struct scsi_qla_host *ha) 61452a991c21SManish Rangankar { 61462a991c21SManish Rangankar uint16_t ddb_index[2]; 61478de5b958SLalit Chandivade int ret = QLA_ERROR; 61488de5b958SLalit Chandivade int rval; 61492a991c21SManish Rangankar 61502a991c21SManish Rangankar memset(ddb_index, 0, sizeof(ddb_index)); 61518de5b958SLalit Chandivade ddb_index[0] = 0xffff; 61528de5b958SLalit Chandivade ddb_index[1] = 0xffff; 61532a991c21SManish Rangankar ret = get_fw_boot_info(ha, ddb_index); 61542a991c21SManish Rangankar if (ret != QLA_SUCCESS) { 6155e8fb00e0SManish Rangankar DEBUG2(ql4_printk(KERN_INFO, ha, 6156e8fb00e0SManish Rangankar "%s: No boot target configured.\n", __func__)); 61572a991c21SManish Rangankar return ret; 61582a991c21SManish Rangankar } 61592a991c21SManish Rangankar 616013483730SMike Christie if (ql4xdisablesysfsboot) 616113483730SMike Christie return QLA_SUCCESS; 616213483730SMike Christie 61638de5b958SLalit Chandivade if (ddb_index[0] == 0xffff) 61648de5b958SLalit Chandivade goto sec_target; 61658de5b958SLalit Chandivade 61668de5b958SLalit Chandivade rval = qla4xxx_get_boot_target(ha, &(ha->boot_tgt.boot_pri_sess), 61672a991c21SManish Rangankar ddb_index[0]); 61688de5b958SLalit Chandivade if (rval != QLA_SUCCESS) { 6169e8fb00e0SManish Rangankar DEBUG2(ql4_printk(KERN_INFO, ha, "%s: Primary boot target not " 6170e8fb00e0SManish Rangankar "configured\n", __func__)); 61718de5b958SLalit Chandivade } else 61728de5b958SLalit Chandivade ret = QLA_SUCCESS; 61732a991c21SManish Rangankar 61748de5b958SLalit Chandivade sec_target: 61758de5b958SLalit Chandivade if (ddb_index[1] == 0xffff) 61768de5b958SLalit Chandivade goto exit_get_boot_info; 61778de5b958SLalit Chandivade 61788de5b958SLalit Chandivade rval = qla4xxx_get_boot_target(ha, &(ha->boot_tgt.boot_sec_sess), 61792a991c21SManish Rangankar ddb_index[1]); 61808de5b958SLalit Chandivade if (rval != QLA_SUCCESS) { 6181e8fb00e0SManish Rangankar DEBUG2(ql4_printk(KERN_INFO, ha, "%s: Secondary boot target not" 6182e8fb00e0SManish Rangankar " configured\n", __func__)); 61838de5b958SLalit Chandivade } else 61848de5b958SLalit Chandivade ret = QLA_SUCCESS; 61858de5b958SLalit Chandivade 61868de5b958SLalit Chandivade exit_get_boot_info: 61872a991c21SManish Rangankar return ret; 61882a991c21SManish Rangankar } 61892a991c21SManish Rangankar 61902a991c21SManish Rangankar static int qla4xxx_setup_boot_info(struct scsi_qla_host *ha) 61912a991c21SManish Rangankar { 61922a991c21SManish Rangankar struct iscsi_boot_kobj *boot_kobj; 61932a991c21SManish Rangankar 61942a991c21SManish Rangankar if (qla4xxx_get_boot_info(ha) != QLA_SUCCESS) 619513483730SMike Christie return QLA_ERROR; 619613483730SMike Christie 619713483730SMike Christie if (ql4xdisablesysfsboot) { 619813483730SMike Christie ql4_printk(KERN_INFO, ha, 619913483730SMike Christie "%s: syfsboot disabled - driver will trigger login " 620013483730SMike Christie "and publish session for discovery .\n", __func__); 620113483730SMike Christie return QLA_SUCCESS; 620213483730SMike Christie } 620313483730SMike Christie 62042a991c21SManish Rangankar 62052a991c21SManish Rangankar ha->boot_kset = iscsi_boot_create_host_kset(ha->host->host_no); 62062a991c21SManish Rangankar if (!ha->boot_kset) 62072a991c21SManish Rangankar goto kset_free; 62082a991c21SManish Rangankar 62092a991c21SManish Rangankar if (!scsi_host_get(ha->host)) 62102a991c21SManish Rangankar goto kset_free; 62112a991c21SManish Rangankar boot_kobj = iscsi_boot_create_target(ha->boot_kset, 0, ha, 62122a991c21SManish Rangankar qla4xxx_show_boot_tgt_pri_info, 62132a991c21SManish Rangankar qla4xxx_tgt_get_attr_visibility, 62142a991c21SManish Rangankar qla4xxx_boot_release); 62152a991c21SManish Rangankar if (!boot_kobj) 62162a991c21SManish Rangankar goto put_host; 62172a991c21SManish Rangankar 62182a991c21SManish Rangankar if (!scsi_host_get(ha->host)) 62192a991c21SManish Rangankar goto kset_free; 62202a991c21SManish Rangankar boot_kobj = iscsi_boot_create_target(ha->boot_kset, 1, ha, 62212a991c21SManish Rangankar qla4xxx_show_boot_tgt_sec_info, 62222a991c21SManish Rangankar qla4xxx_tgt_get_attr_visibility, 62232a991c21SManish Rangankar qla4xxx_boot_release); 62242a991c21SManish Rangankar if (!boot_kobj) 62252a991c21SManish Rangankar goto put_host; 62262a991c21SManish Rangankar 62272a991c21SManish Rangankar if (!scsi_host_get(ha->host)) 62282a991c21SManish Rangankar goto kset_free; 62292a991c21SManish Rangankar boot_kobj = iscsi_boot_create_initiator(ha->boot_kset, 0, ha, 62302a991c21SManish Rangankar qla4xxx_show_boot_ini_info, 62312a991c21SManish Rangankar qla4xxx_ini_get_attr_visibility, 62322a991c21SManish Rangankar qla4xxx_boot_release); 62332a991c21SManish Rangankar if (!boot_kobj) 62342a991c21SManish Rangankar goto put_host; 62352a991c21SManish Rangankar 62362a991c21SManish Rangankar if (!scsi_host_get(ha->host)) 62372a991c21SManish Rangankar goto kset_free; 62382a991c21SManish Rangankar boot_kobj = iscsi_boot_create_ethernet(ha->boot_kset, 0, ha, 62392a991c21SManish Rangankar qla4xxx_show_boot_eth_info, 62402a991c21SManish Rangankar qla4xxx_eth_get_attr_visibility, 62412a991c21SManish Rangankar qla4xxx_boot_release); 62422a991c21SManish Rangankar if (!boot_kobj) 62432a991c21SManish Rangankar goto put_host; 62442a991c21SManish Rangankar 624513483730SMike Christie return QLA_SUCCESS; 62462a991c21SManish Rangankar 62472a991c21SManish Rangankar put_host: 62482a991c21SManish Rangankar scsi_host_put(ha->host); 62492a991c21SManish Rangankar kset_free: 62502a991c21SManish Rangankar iscsi_boot_destroy_kset(ha->boot_kset); 62512a991c21SManish Rangankar return -ENOMEM; 62522a991c21SManish Rangankar } 62532a991c21SManish Rangankar 62544549415aSLalit Chandivade 625513483730SMike Christie static void qla4xxx_get_param_ddb(struct ddb_entry *ddb_entry, 625613483730SMike Christie struct ql4_tuple_ddb *tddb) 625713483730SMike Christie { 625813483730SMike Christie struct scsi_qla_host *ha; 625913483730SMike Christie struct iscsi_cls_session *cls_sess; 626013483730SMike Christie struct iscsi_cls_conn *cls_conn; 626113483730SMike Christie struct iscsi_session *sess; 626213483730SMike Christie struct iscsi_conn *conn; 626313483730SMike Christie 626413483730SMike Christie DEBUG2(printk(KERN_INFO "Func: %s\n", __func__)); 626513483730SMike Christie ha = ddb_entry->ha; 626613483730SMike Christie cls_sess = ddb_entry->sess; 626713483730SMike Christie sess = cls_sess->dd_data; 626813483730SMike Christie cls_conn = ddb_entry->conn; 626913483730SMike Christie conn = cls_conn->dd_data; 627013483730SMike Christie 627113483730SMike Christie tddb->tpgt = sess->tpgt; 627213483730SMike Christie tddb->port = conn->persistent_port; 6273bdbb9662SRickard Strandqvist strlcpy(tddb->iscsi_name, sess->targetname, ISCSI_NAME_SIZE); 6274bdbb9662SRickard Strandqvist strlcpy(tddb->ip_addr, conn->persistent_address, DDB_IPADDR_LEN); 627513483730SMike Christie } 627613483730SMike Christie 627713483730SMike Christie static void qla4xxx_convert_param_ddb(struct dev_db_entry *fw_ddb_entry, 62781cb78d73SVikas Chaudhary struct ql4_tuple_ddb *tddb, 62791cb78d73SVikas Chaudhary uint8_t *flash_isid) 628013483730SMike Christie { 628113483730SMike Christie uint16_t options = 0; 628213483730SMike Christie 628313483730SMike Christie tddb->tpgt = le32_to_cpu(fw_ddb_entry->tgt_portal_grp); 628413483730SMike Christie memcpy(&tddb->iscsi_name[0], &fw_ddb_entry->iscsi_name[0], 628513483730SMike Christie min(sizeof(tddb->iscsi_name), sizeof(fw_ddb_entry->iscsi_name))); 628613483730SMike Christie 628713483730SMike Christie options = le16_to_cpu(fw_ddb_entry->options); 628813483730SMike Christie if (options & DDB_OPT_IPV6_DEVICE) 628913483730SMike Christie sprintf(tddb->ip_addr, "%pI6", fw_ddb_entry->ip_addr); 629013483730SMike Christie else 629113483730SMike Christie sprintf(tddb->ip_addr, "%pI4", fw_ddb_entry->ip_addr); 629213483730SMike Christie 629313483730SMike Christie tddb->port = le16_to_cpu(fw_ddb_entry->port); 62941cb78d73SVikas Chaudhary 62951cb78d73SVikas Chaudhary if (flash_isid == NULL) 62961cb78d73SVikas Chaudhary memcpy(&tddb->isid[0], &fw_ddb_entry->isid[0], 62971cb78d73SVikas Chaudhary sizeof(tddb->isid)); 62981cb78d73SVikas Chaudhary else 62991cb78d73SVikas Chaudhary memcpy(&tddb->isid[0], &flash_isid[0], sizeof(tddb->isid)); 630013483730SMike Christie } 630113483730SMike Christie 630213483730SMike Christie static int qla4xxx_compare_tuple_ddb(struct scsi_qla_host *ha, 630313483730SMike Christie struct ql4_tuple_ddb *old_tddb, 6304173269efSManish Rangankar struct ql4_tuple_ddb *new_tddb, 6305173269efSManish Rangankar uint8_t is_isid_compare) 630613483730SMike Christie { 630713483730SMike Christie if (strcmp(old_tddb->iscsi_name, new_tddb->iscsi_name)) 630813483730SMike Christie return QLA_ERROR; 630913483730SMike Christie 631013483730SMike Christie if (strcmp(old_tddb->ip_addr, new_tddb->ip_addr)) 631113483730SMike Christie return QLA_ERROR; 631213483730SMike Christie 631313483730SMike Christie if (old_tddb->port != new_tddb->port) 631413483730SMike Christie return QLA_ERROR; 631513483730SMike Christie 6316173269efSManish Rangankar /* For multi sessions, driver generates the ISID, so do not compare 631759e13d48SMasanari Iida * ISID in reset path since it would be a comparison between the 6318173269efSManish Rangankar * driver generated ISID and firmware generated ISID. This could 6319173269efSManish Rangankar * lead to adding duplicated DDBs in the list as driver generated 6320173269efSManish Rangankar * ISID would not match firmware generated ISID. 6321173269efSManish Rangankar */ 6322173269efSManish Rangankar if (is_isid_compare) { 6323d1d81bd0SOleksandr Khoshaba DEBUG2(ql4_printk(KERN_INFO, ha, 6324d1d81bd0SOleksandr Khoshaba "%s: old ISID [%pmR] New ISID [%pmR]\n", 6325d1d81bd0SOleksandr Khoshaba __func__, old_tddb->isid, new_tddb->isid)); 6326173269efSManish Rangankar 6327173269efSManish Rangankar if (memcmp(&old_tddb->isid[0], &new_tddb->isid[0], 6328173269efSManish Rangankar sizeof(old_tddb->isid))) 6329173269efSManish Rangankar return QLA_ERROR; 6330173269efSManish Rangankar } 6331173269efSManish Rangankar 633213483730SMike Christie DEBUG2(ql4_printk(KERN_INFO, ha, 633313483730SMike Christie "Match Found, fw[%d,%d,%s,%s], [%d,%d,%s,%s]", 633413483730SMike Christie old_tddb->port, old_tddb->tpgt, old_tddb->ip_addr, 633513483730SMike Christie old_tddb->iscsi_name, new_tddb->port, new_tddb->tpgt, 633613483730SMike Christie new_tddb->ip_addr, new_tddb->iscsi_name)); 633713483730SMike Christie 633813483730SMike Christie return QLA_SUCCESS; 633913483730SMike Christie } 634013483730SMike Christie 634113483730SMike Christie static int qla4xxx_is_session_exists(struct scsi_qla_host *ha, 6342ad8bd45eSManish Rangankar struct dev_db_entry *fw_ddb_entry, 6343ad8bd45eSManish Rangankar uint32_t *index) 634413483730SMike Christie { 634513483730SMike Christie struct ddb_entry *ddb_entry; 634613483730SMike Christie struct ql4_tuple_ddb *fw_tddb = NULL; 634713483730SMike Christie struct ql4_tuple_ddb *tmp_tddb = NULL; 634813483730SMike Christie int idx; 634913483730SMike Christie int ret = QLA_ERROR; 635013483730SMike Christie 635113483730SMike Christie fw_tddb = vzalloc(sizeof(*fw_tddb)); 635213483730SMike Christie if (!fw_tddb) { 635313483730SMike Christie DEBUG2(ql4_printk(KERN_WARNING, ha, 635413483730SMike Christie "Memory Allocation failed.\n")); 635513483730SMike Christie ret = QLA_SUCCESS; 635613483730SMike Christie goto exit_check; 635713483730SMike Christie } 635813483730SMike Christie 635913483730SMike Christie tmp_tddb = vzalloc(sizeof(*tmp_tddb)); 636013483730SMike Christie if (!tmp_tddb) { 636113483730SMike Christie DEBUG2(ql4_printk(KERN_WARNING, ha, 636213483730SMike Christie "Memory Allocation failed.\n")); 636313483730SMike Christie ret = QLA_SUCCESS; 636413483730SMike Christie goto exit_check; 636513483730SMike Christie } 636613483730SMike Christie 63671cb78d73SVikas Chaudhary qla4xxx_convert_param_ddb(fw_ddb_entry, fw_tddb, NULL); 636813483730SMike Christie 636913483730SMike Christie for (idx = 0; idx < MAX_DDB_ENTRIES; idx++) { 637013483730SMike Christie ddb_entry = qla4xxx_lookup_ddb_by_fw_index(ha, idx); 637113483730SMike Christie if (ddb_entry == NULL) 637213483730SMike Christie continue; 637313483730SMike Christie 637413483730SMike Christie qla4xxx_get_param_ddb(ddb_entry, tmp_tddb); 6375173269efSManish Rangankar if (!qla4xxx_compare_tuple_ddb(ha, fw_tddb, tmp_tddb, false)) { 637613483730SMike Christie ret = QLA_SUCCESS; /* found */ 6377ad8bd45eSManish Rangankar if (index != NULL) 6378ad8bd45eSManish Rangankar *index = idx; 637913483730SMike Christie goto exit_check; 638013483730SMike Christie } 638113483730SMike Christie } 638213483730SMike Christie 638313483730SMike Christie exit_check: 638413483730SMike Christie if (fw_tddb) 638513483730SMike Christie vfree(fw_tddb); 638613483730SMike Christie if (tmp_tddb) 638713483730SMike Christie vfree(tmp_tddb); 638813483730SMike Christie return ret; 638913483730SMike Christie } 639013483730SMike Christie 63911cb78d73SVikas Chaudhary /** 63921cb78d73SVikas Chaudhary * qla4xxx_check_existing_isid - check if target with same isid exist 63931cb78d73SVikas Chaudhary * in target list 63941cb78d73SVikas Chaudhary * @list_nt: list of target 63951cb78d73SVikas Chaudhary * @isid: isid to check 63961cb78d73SVikas Chaudhary * 63971cb78d73SVikas Chaudhary * This routine return QLA_SUCCESS if target with same isid exist 63981cb78d73SVikas Chaudhary **/ 63991cb78d73SVikas Chaudhary static int qla4xxx_check_existing_isid(struct list_head *list_nt, uint8_t *isid) 64001cb78d73SVikas Chaudhary { 64011cb78d73SVikas Chaudhary struct qla_ddb_index *nt_ddb_idx, *nt_ddb_idx_tmp; 64021cb78d73SVikas Chaudhary struct dev_db_entry *fw_ddb_entry; 64031cb78d73SVikas Chaudhary 64041cb78d73SVikas Chaudhary list_for_each_entry_safe(nt_ddb_idx, nt_ddb_idx_tmp, list_nt, list) { 64051cb78d73SVikas Chaudhary fw_ddb_entry = &nt_ddb_idx->fw_ddb; 64061cb78d73SVikas Chaudhary 64071cb78d73SVikas Chaudhary if (memcmp(&fw_ddb_entry->isid[0], &isid[0], 64081cb78d73SVikas Chaudhary sizeof(nt_ddb_idx->fw_ddb.isid)) == 0) { 64091cb78d73SVikas Chaudhary return QLA_SUCCESS; 64101cb78d73SVikas Chaudhary } 64111cb78d73SVikas Chaudhary } 64121cb78d73SVikas Chaudhary return QLA_ERROR; 64131cb78d73SVikas Chaudhary } 64141cb78d73SVikas Chaudhary 64151cb78d73SVikas Chaudhary /** 64161cb78d73SVikas Chaudhary * qla4xxx_update_isid - compare ddbs and updated isid 64171cb78d73SVikas Chaudhary * @ha: Pointer to host adapter structure. 64181cb78d73SVikas Chaudhary * @list_nt: list of nt target 64191cb78d73SVikas Chaudhary * @fw_ddb_entry: firmware ddb entry 64201cb78d73SVikas Chaudhary * 64211cb78d73SVikas Chaudhary * This routine update isid if ddbs have same iqn, same isid and 64221cb78d73SVikas Chaudhary * different IP addr. 64231cb78d73SVikas Chaudhary * Return QLA_SUCCESS if isid is updated. 64241cb78d73SVikas Chaudhary **/ 64251cb78d73SVikas Chaudhary static int qla4xxx_update_isid(struct scsi_qla_host *ha, 64261cb78d73SVikas Chaudhary struct list_head *list_nt, 64271cb78d73SVikas Chaudhary struct dev_db_entry *fw_ddb_entry) 64281cb78d73SVikas Chaudhary { 64291cb78d73SVikas Chaudhary uint8_t base_value, i; 64301cb78d73SVikas Chaudhary 64311cb78d73SVikas Chaudhary base_value = fw_ddb_entry->isid[1] & 0x1f; 64321cb78d73SVikas Chaudhary for (i = 0; i < 8; i++) { 64331cb78d73SVikas Chaudhary fw_ddb_entry->isid[1] = (base_value | (i << 5)); 64341cb78d73SVikas Chaudhary if (qla4xxx_check_existing_isid(list_nt, fw_ddb_entry->isid)) 64351cb78d73SVikas Chaudhary break; 64361cb78d73SVikas Chaudhary } 64371cb78d73SVikas Chaudhary 64381cb78d73SVikas Chaudhary if (!qla4xxx_check_existing_isid(list_nt, fw_ddb_entry->isid)) 64391cb78d73SVikas Chaudhary return QLA_ERROR; 64401cb78d73SVikas Chaudhary 64411cb78d73SVikas Chaudhary return QLA_SUCCESS; 64421cb78d73SVikas Chaudhary } 64431cb78d73SVikas Chaudhary 64441cb78d73SVikas Chaudhary /** 64451cb78d73SVikas Chaudhary * qla4xxx_should_update_isid - check if isid need to update 64461cb78d73SVikas Chaudhary * @ha: Pointer to host adapter structure. 64471cb78d73SVikas Chaudhary * @old_tddb: ddb tuple 64481cb78d73SVikas Chaudhary * @new_tddb: ddb tuple 64491cb78d73SVikas Chaudhary * 64501cb78d73SVikas Chaudhary * Return QLA_SUCCESS if different IP, different PORT, same iqn, 64511cb78d73SVikas Chaudhary * same isid 64521cb78d73SVikas Chaudhary **/ 64531cb78d73SVikas Chaudhary static int qla4xxx_should_update_isid(struct scsi_qla_host *ha, 64541cb78d73SVikas Chaudhary struct ql4_tuple_ddb *old_tddb, 64551cb78d73SVikas Chaudhary struct ql4_tuple_ddb *new_tddb) 64561cb78d73SVikas Chaudhary { 64571cb78d73SVikas Chaudhary if (strcmp(old_tddb->ip_addr, new_tddb->ip_addr) == 0) { 64581cb78d73SVikas Chaudhary /* Same ip */ 64591cb78d73SVikas Chaudhary if (old_tddb->port == new_tddb->port) 64601cb78d73SVikas Chaudhary return QLA_ERROR; 64611cb78d73SVikas Chaudhary } 64621cb78d73SVikas Chaudhary 64631cb78d73SVikas Chaudhary if (strcmp(old_tddb->iscsi_name, new_tddb->iscsi_name)) 64641cb78d73SVikas Chaudhary /* different iqn */ 64651cb78d73SVikas Chaudhary return QLA_ERROR; 64661cb78d73SVikas Chaudhary 64671cb78d73SVikas Chaudhary if (memcmp(&old_tddb->isid[0], &new_tddb->isid[0], 64681cb78d73SVikas Chaudhary sizeof(old_tddb->isid))) 64691cb78d73SVikas Chaudhary /* different isid */ 64701cb78d73SVikas Chaudhary return QLA_ERROR; 64711cb78d73SVikas Chaudhary 64721cb78d73SVikas Chaudhary return QLA_SUCCESS; 64731cb78d73SVikas Chaudhary } 64741cb78d73SVikas Chaudhary 64751cb78d73SVikas Chaudhary /** 64761cb78d73SVikas Chaudhary * qla4xxx_is_flash_ddb_exists - check if fw_ddb_entry already exists in list_nt 64771cb78d73SVikas Chaudhary * @ha: Pointer to host adapter structure. 64781cb78d73SVikas Chaudhary * @list_nt: list of nt target. 64791cb78d73SVikas Chaudhary * @fw_ddb_entry: firmware ddb entry. 64801cb78d73SVikas Chaudhary * 64811cb78d73SVikas Chaudhary * This routine check if fw_ddb_entry already exists in list_nt to avoid 64821cb78d73SVikas Chaudhary * duplicate ddb in list_nt. 64831cb78d73SVikas Chaudhary * Return QLA_SUCCESS if duplicate ddb exit in list_nl. 64841cb78d73SVikas Chaudhary * Note: This function also update isid of DDB if required. 64851cb78d73SVikas Chaudhary **/ 64861cb78d73SVikas Chaudhary 648713483730SMike Christie static int qla4xxx_is_flash_ddb_exists(struct scsi_qla_host *ha, 648813483730SMike Christie struct list_head *list_nt, 648913483730SMike Christie struct dev_db_entry *fw_ddb_entry) 649013483730SMike Christie { 649113483730SMike Christie struct qla_ddb_index *nt_ddb_idx, *nt_ddb_idx_tmp; 649213483730SMike Christie struct ql4_tuple_ddb *fw_tddb = NULL; 649313483730SMike Christie struct ql4_tuple_ddb *tmp_tddb = NULL; 64941cb78d73SVikas Chaudhary int rval, ret = QLA_ERROR; 649513483730SMike Christie 649613483730SMike Christie fw_tddb = vzalloc(sizeof(*fw_tddb)); 649713483730SMike Christie if (!fw_tddb) { 649813483730SMike Christie DEBUG2(ql4_printk(KERN_WARNING, ha, 649913483730SMike Christie "Memory Allocation failed.\n")); 650013483730SMike Christie ret = QLA_SUCCESS; 650113483730SMike Christie goto exit_check; 650213483730SMike Christie } 650313483730SMike Christie 650413483730SMike Christie tmp_tddb = vzalloc(sizeof(*tmp_tddb)); 650513483730SMike Christie if (!tmp_tddb) { 650613483730SMike Christie DEBUG2(ql4_printk(KERN_WARNING, ha, 650713483730SMike Christie "Memory Allocation failed.\n")); 650813483730SMike Christie ret = QLA_SUCCESS; 650913483730SMike Christie goto exit_check; 651013483730SMike Christie } 651113483730SMike Christie 65121cb78d73SVikas Chaudhary qla4xxx_convert_param_ddb(fw_ddb_entry, fw_tddb, NULL); 651313483730SMike Christie 651413483730SMike Christie list_for_each_entry_safe(nt_ddb_idx, nt_ddb_idx_tmp, list_nt, list) { 65151cb78d73SVikas Chaudhary qla4xxx_convert_param_ddb(&nt_ddb_idx->fw_ddb, tmp_tddb, 65161cb78d73SVikas Chaudhary nt_ddb_idx->flash_isid); 65171cb78d73SVikas Chaudhary ret = qla4xxx_compare_tuple_ddb(ha, fw_tddb, tmp_tddb, true); 65181cb78d73SVikas Chaudhary /* found duplicate ddb */ 65191cb78d73SVikas Chaudhary if (ret == QLA_SUCCESS) 65201cb78d73SVikas Chaudhary goto exit_check; 65211cb78d73SVikas Chaudhary } 65221cb78d73SVikas Chaudhary 65231cb78d73SVikas Chaudhary list_for_each_entry_safe(nt_ddb_idx, nt_ddb_idx_tmp, list_nt, list) { 65241cb78d73SVikas Chaudhary qla4xxx_convert_param_ddb(&nt_ddb_idx->fw_ddb, tmp_tddb, NULL); 65251cb78d73SVikas Chaudhary 65261cb78d73SVikas Chaudhary ret = qla4xxx_should_update_isid(ha, tmp_tddb, fw_tddb); 65271cb78d73SVikas Chaudhary if (ret == QLA_SUCCESS) { 65281cb78d73SVikas Chaudhary rval = qla4xxx_update_isid(ha, list_nt, fw_ddb_entry); 65291cb78d73SVikas Chaudhary if (rval == QLA_SUCCESS) 65301cb78d73SVikas Chaudhary ret = QLA_ERROR; 65311cb78d73SVikas Chaudhary else 65321cb78d73SVikas Chaudhary ret = QLA_SUCCESS; 65331cb78d73SVikas Chaudhary 653413483730SMike Christie goto exit_check; 653513483730SMike Christie } 653613483730SMike Christie } 653713483730SMike Christie 653813483730SMike Christie exit_check: 653913483730SMike Christie if (fw_tddb) 654013483730SMike Christie vfree(fw_tddb); 654113483730SMike Christie if (tmp_tddb) 654213483730SMike Christie vfree(tmp_tddb); 654313483730SMike Christie return ret; 654413483730SMike Christie } 654513483730SMike Christie 65464a4bc2e9SLalit Chandivade static void qla4xxx_free_ddb_list(struct list_head *list_ddb) 654713483730SMike Christie { 65484a4bc2e9SLalit Chandivade struct qla_ddb_index *ddb_idx, *ddb_idx_tmp; 654913483730SMike Christie 65504a4bc2e9SLalit Chandivade list_for_each_entry_safe(ddb_idx, ddb_idx_tmp, list_ddb, list) { 65514a4bc2e9SLalit Chandivade list_del_init(&ddb_idx->list); 65524a4bc2e9SLalit Chandivade vfree(ddb_idx); 655313483730SMike Christie } 655413483730SMike Christie } 655513483730SMike Christie 655613483730SMike Christie static struct iscsi_endpoint *qla4xxx_get_ep_fwdb(struct scsi_qla_host *ha, 655713483730SMike Christie struct dev_db_entry *fw_ddb_entry) 655813483730SMike Christie { 655913483730SMike Christie struct iscsi_endpoint *ep; 656013483730SMike Christie struct sockaddr_in *addr; 656113483730SMike Christie struct sockaddr_in6 *addr6; 65623dd4849cSManish Rangankar struct sockaddr *t_addr; 65633dd4849cSManish Rangankar struct sockaddr_storage *dst_addr; 656413483730SMike Christie char *ip; 656513483730SMike Christie 656613483730SMike Christie /* TODO: need to destroy on unload iscsi_endpoint*/ 656713483730SMike Christie dst_addr = vmalloc(sizeof(*dst_addr)); 656813483730SMike Christie if (!dst_addr) 656913483730SMike Christie return NULL; 657013483730SMike Christie 657113483730SMike Christie if (fw_ddb_entry->options & DDB_OPT_IPV6_DEVICE) { 65723dd4849cSManish Rangankar t_addr = (struct sockaddr *)dst_addr; 65733dd4849cSManish Rangankar t_addr->sa_family = AF_INET6; 657413483730SMike Christie addr6 = (struct sockaddr_in6 *)dst_addr; 657513483730SMike Christie ip = (char *)&addr6->sin6_addr; 657613483730SMike Christie memcpy(ip, fw_ddb_entry->ip_addr, IPv6_ADDR_LEN); 657713483730SMike Christie addr6->sin6_port = htons(le16_to_cpu(fw_ddb_entry->port)); 657813483730SMike Christie 657913483730SMike Christie } else { 65803dd4849cSManish Rangankar t_addr = (struct sockaddr *)dst_addr; 65813dd4849cSManish Rangankar t_addr->sa_family = AF_INET; 658213483730SMike Christie addr = (struct sockaddr_in *)dst_addr; 658313483730SMike Christie ip = (char *)&addr->sin_addr; 658413483730SMike Christie memcpy(ip, fw_ddb_entry->ip_addr, IP_ADDR_LEN); 658513483730SMike Christie addr->sin_port = htons(le16_to_cpu(fw_ddb_entry->port)); 658613483730SMike Christie } 658713483730SMike Christie 65883dd4849cSManish Rangankar ep = qla4xxx_ep_connect(ha->host, (struct sockaddr *)dst_addr, 0); 658913483730SMike Christie vfree(dst_addr); 659013483730SMike Christie return ep; 659113483730SMike Christie } 659213483730SMike Christie 659313483730SMike Christie static int qla4xxx_verify_boot_idx(struct scsi_qla_host *ha, uint16_t idx) 659413483730SMike Christie { 659513483730SMike Christie if (ql4xdisablesysfsboot) 659613483730SMike Christie return QLA_SUCCESS; 659713483730SMike Christie if (idx == ha->pri_ddb_idx || idx == ha->sec_ddb_idx) 659813483730SMike Christie return QLA_ERROR; 659913483730SMike Christie return QLA_SUCCESS; 660013483730SMike Christie } 660113483730SMike Christie 660213483730SMike Christie static void qla4xxx_setup_flash_ddb_entry(struct scsi_qla_host *ha, 66031dc8ed5dSManish Rangankar struct ddb_entry *ddb_entry, 66041dc8ed5dSManish Rangankar uint16_t idx) 660513483730SMike Christie { 6606c28eaacaSNilesh Javali uint16_t def_timeout; 6607c28eaacaSNilesh Javali 660813483730SMike Christie ddb_entry->ddb_type = FLASH_DDB; 660913483730SMike Christie ddb_entry->fw_ddb_index = INVALID_ENTRY; 661013483730SMike Christie ddb_entry->fw_ddb_device_state = DDB_DS_NO_CONNECTION_ACTIVE; 661113483730SMike Christie ddb_entry->ha = ha; 661213483730SMike Christie ddb_entry->unblock_sess = qla4xxx_unblock_flash_ddb; 661313483730SMike Christie ddb_entry->ddb_change = qla4xxx_flash_ddb_change; 6614946ac571SAdheer Chandravanshi ddb_entry->chap_tbl_idx = INVALID_ENTRY; 661513483730SMike Christie 661613483730SMike Christie atomic_set(&ddb_entry->retry_relogin_timer, INVALID_ENTRY); 661713483730SMike Christie atomic_set(&ddb_entry->relogin_timer, 0); 661813483730SMike Christie atomic_set(&ddb_entry->relogin_retry_count, 0); 6619c28eaacaSNilesh Javali def_timeout = le16_to_cpu(ddb_entry->fw_ddb_entry.def_timeout); 662013483730SMike Christie ddb_entry->default_relogin_timeout = 6621c28eaacaSNilesh Javali (def_timeout > LOGIN_TOV) && (def_timeout < LOGIN_TOV * 10) ? 6622c28eaacaSNilesh Javali def_timeout : LOGIN_TOV; 662313483730SMike Christie ddb_entry->default_time2wait = 662413483730SMike Christie le16_to_cpu(ddb_entry->fw_ddb_entry.iscsi_def_time2wait); 66251dc8ed5dSManish Rangankar 66261dc8ed5dSManish Rangankar if (ql4xdisablesysfsboot && 66271dc8ed5dSManish Rangankar (idx == ha->pri_ddb_idx || idx == ha->sec_ddb_idx)) 66281dc8ed5dSManish Rangankar set_bit(DF_BOOT_TGT, &ddb_entry->flags); 662913483730SMike Christie } 663013483730SMike Christie 663113483730SMike Christie static void qla4xxx_wait_for_ip_configuration(struct scsi_qla_host *ha) 663213483730SMike Christie { 663313483730SMike Christie uint32_t idx = 0; 663413483730SMike Christie uint32_t ip_idx[IP_ADDR_COUNT] = {0, 1, 2, 3}; /* 4 IP interfaces */ 663513483730SMike Christie uint32_t sts[MBOX_REG_COUNT]; 663613483730SMike Christie uint32_t ip_state; 663713483730SMike Christie unsigned long wtime; 663813483730SMike Christie int ret; 663913483730SMike Christie 664013483730SMike Christie wtime = jiffies + (HZ * IP_CONFIG_TOV); 664113483730SMike Christie do { 664213483730SMike Christie for (idx = 0; idx < IP_ADDR_COUNT; idx++) { 664313483730SMike Christie if (ip_idx[idx] == -1) 664413483730SMike Christie continue; 664513483730SMike Christie 664613483730SMike Christie ret = qla4xxx_get_ip_state(ha, 0, ip_idx[idx], sts); 664713483730SMike Christie 664813483730SMike Christie if (ret == QLA_ERROR) { 664913483730SMike Christie ip_idx[idx] = -1; 665013483730SMike Christie continue; 665113483730SMike Christie } 665213483730SMike Christie 665313483730SMike Christie ip_state = (sts[1] & IP_STATE_MASK) >> IP_STATE_SHIFT; 665413483730SMike Christie 665513483730SMike Christie DEBUG2(ql4_printk(KERN_INFO, ha, 665613483730SMike Christie "Waiting for IP state for idx = %d, state = 0x%x\n", 665713483730SMike Christie ip_idx[idx], ip_state)); 665813483730SMike Christie if (ip_state == IP_ADDRSTATE_UNCONFIGURED || 665913483730SMike Christie ip_state == IP_ADDRSTATE_INVALID || 666013483730SMike Christie ip_state == IP_ADDRSTATE_PREFERRED || 666113483730SMike Christie ip_state == IP_ADDRSTATE_DEPRICATED || 666213483730SMike Christie ip_state == IP_ADDRSTATE_DISABLING) 666313483730SMike Christie ip_idx[idx] = -1; 666413483730SMike Christie } 666513483730SMike Christie 666613483730SMike Christie /* Break if all IP states checked */ 666713483730SMike Christie if ((ip_idx[0] == -1) && 666813483730SMike Christie (ip_idx[1] == -1) && 666913483730SMike Christie (ip_idx[2] == -1) && 667013483730SMike Christie (ip_idx[3] == -1)) 667113483730SMike Christie break; 667213483730SMike Christie schedule_timeout_uninterruptible(HZ); 667313483730SMike Christie } while (time_after(wtime, jiffies)); 667413483730SMike Christie } 667513483730SMike Christie 6676ad8bd45eSManish Rangankar static int qla4xxx_cmp_fw_stentry(struct dev_db_entry *fw_ddb_entry, 6677ad8bd45eSManish Rangankar struct dev_db_entry *flash_ddb_entry) 6678ad8bd45eSManish Rangankar { 6679ad8bd45eSManish Rangankar uint16_t options = 0; 6680ad8bd45eSManish Rangankar size_t ip_len = IP_ADDR_LEN; 6681ad8bd45eSManish Rangankar 6682ad8bd45eSManish Rangankar options = le16_to_cpu(fw_ddb_entry->options); 6683ad8bd45eSManish Rangankar if (options & DDB_OPT_IPV6_DEVICE) 6684ad8bd45eSManish Rangankar ip_len = IPv6_ADDR_LEN; 6685ad8bd45eSManish Rangankar 6686ad8bd45eSManish Rangankar if (memcmp(fw_ddb_entry->ip_addr, flash_ddb_entry->ip_addr, ip_len)) 6687ad8bd45eSManish Rangankar return QLA_ERROR; 6688ad8bd45eSManish Rangankar 6689ad8bd45eSManish Rangankar if (memcmp(&fw_ddb_entry->isid[0], &flash_ddb_entry->isid[0], 6690ad8bd45eSManish Rangankar sizeof(fw_ddb_entry->isid))) 6691ad8bd45eSManish Rangankar return QLA_ERROR; 6692ad8bd45eSManish Rangankar 6693ad8bd45eSManish Rangankar if (memcmp(&fw_ddb_entry->port, &flash_ddb_entry->port, 6694ad8bd45eSManish Rangankar sizeof(fw_ddb_entry->port))) 6695ad8bd45eSManish Rangankar return QLA_ERROR; 6696ad8bd45eSManish Rangankar 6697ad8bd45eSManish Rangankar return QLA_SUCCESS; 6698ad8bd45eSManish Rangankar } 6699ad8bd45eSManish Rangankar 6700ad8bd45eSManish Rangankar static int qla4xxx_find_flash_st_idx(struct scsi_qla_host *ha, 6701ad8bd45eSManish Rangankar struct dev_db_entry *fw_ddb_entry, 6702ad8bd45eSManish Rangankar uint32_t fw_idx, uint32_t *flash_index) 6703ad8bd45eSManish Rangankar { 6704ad8bd45eSManish Rangankar struct dev_db_entry *flash_ddb_entry; 6705ad8bd45eSManish Rangankar dma_addr_t flash_ddb_entry_dma; 6706ad8bd45eSManish Rangankar uint32_t idx = 0; 6707ad8bd45eSManish Rangankar int max_ddbs; 6708ad8bd45eSManish Rangankar int ret = QLA_ERROR, status; 6709ad8bd45eSManish Rangankar 6710ad8bd45eSManish Rangankar max_ddbs = is_qla40XX(ha) ? MAX_DEV_DB_ENTRIES_40XX : 6711ad8bd45eSManish Rangankar MAX_DEV_DB_ENTRIES; 6712ad8bd45eSManish Rangankar 6713ad8bd45eSManish Rangankar flash_ddb_entry = dma_pool_alloc(ha->fw_ddb_dma_pool, GFP_KERNEL, 6714ad8bd45eSManish Rangankar &flash_ddb_entry_dma); 6715ad8bd45eSManish Rangankar if (flash_ddb_entry == NULL || fw_ddb_entry == NULL) { 6716ad8bd45eSManish Rangankar ql4_printk(KERN_ERR, ha, "Out of memory\n"); 6717ad8bd45eSManish Rangankar goto exit_find_st_idx; 6718ad8bd45eSManish Rangankar } 6719ad8bd45eSManish Rangankar 6720ad8bd45eSManish Rangankar status = qla4xxx_flashdb_by_index(ha, flash_ddb_entry, 6721ad8bd45eSManish Rangankar flash_ddb_entry_dma, fw_idx); 6722ad8bd45eSManish Rangankar if (status == QLA_SUCCESS) { 6723ad8bd45eSManish Rangankar status = qla4xxx_cmp_fw_stentry(fw_ddb_entry, flash_ddb_entry); 6724ad8bd45eSManish Rangankar if (status == QLA_SUCCESS) { 6725ad8bd45eSManish Rangankar *flash_index = fw_idx; 6726ad8bd45eSManish Rangankar ret = QLA_SUCCESS; 6727ad8bd45eSManish Rangankar goto exit_find_st_idx; 6728ad8bd45eSManish Rangankar } 6729ad8bd45eSManish Rangankar } 6730ad8bd45eSManish Rangankar 6731ad8bd45eSManish Rangankar for (idx = 0; idx < max_ddbs; idx++) { 6732ad8bd45eSManish Rangankar status = qla4xxx_flashdb_by_index(ha, flash_ddb_entry, 6733ad8bd45eSManish Rangankar flash_ddb_entry_dma, idx); 6734ad8bd45eSManish Rangankar if (status == QLA_ERROR) 6735ad8bd45eSManish Rangankar continue; 6736ad8bd45eSManish Rangankar 6737ad8bd45eSManish Rangankar status = qla4xxx_cmp_fw_stentry(fw_ddb_entry, flash_ddb_entry); 6738ad8bd45eSManish Rangankar if (status == QLA_SUCCESS) { 6739ad8bd45eSManish Rangankar *flash_index = idx; 6740ad8bd45eSManish Rangankar ret = QLA_SUCCESS; 6741ad8bd45eSManish Rangankar goto exit_find_st_idx; 6742ad8bd45eSManish Rangankar } 6743ad8bd45eSManish Rangankar } 6744ad8bd45eSManish Rangankar 6745ad8bd45eSManish Rangankar if (idx == max_ddbs) 6746ad8bd45eSManish Rangankar ql4_printk(KERN_ERR, ha, "Failed to find ST [%d] in flash\n", 6747ad8bd45eSManish Rangankar fw_idx); 6748ad8bd45eSManish Rangankar 6749ad8bd45eSManish Rangankar exit_find_st_idx: 6750ad8bd45eSManish Rangankar if (flash_ddb_entry) 6751ad8bd45eSManish Rangankar dma_pool_free(ha->fw_ddb_dma_pool, flash_ddb_entry, 6752ad8bd45eSManish Rangankar flash_ddb_entry_dma); 6753ad8bd45eSManish Rangankar 6754ad8bd45eSManish Rangankar return ret; 6755ad8bd45eSManish Rangankar } 6756ad8bd45eSManish Rangankar 67574a4bc2e9SLalit Chandivade static void qla4xxx_build_st_list(struct scsi_qla_host *ha, 67584a4bc2e9SLalit Chandivade struct list_head *list_st) 675913483730SMike Christie { 67604a4bc2e9SLalit Chandivade struct qla_ddb_index *st_ddb_idx; 676113483730SMike Christie int max_ddbs; 67624a4bc2e9SLalit Chandivade int fw_idx_size; 67634a4bc2e9SLalit Chandivade struct dev_db_entry *fw_ddb_entry; 67644a4bc2e9SLalit Chandivade dma_addr_t fw_ddb_dma; 676513483730SMike Christie int ret; 676613483730SMike Christie uint32_t idx = 0, next_idx = 0; 676713483730SMike Christie uint32_t state = 0, conn_err = 0; 6768ad8bd45eSManish Rangankar uint32_t flash_index = -1; 67694a4bc2e9SLalit Chandivade uint16_t conn_id = 0; 677013483730SMike Christie 677113483730SMike Christie fw_ddb_entry = dma_pool_alloc(ha->fw_ddb_dma_pool, GFP_KERNEL, 677213483730SMike Christie &fw_ddb_dma); 677313483730SMike Christie if (fw_ddb_entry == NULL) { 677413483730SMike Christie DEBUG2(ql4_printk(KERN_ERR, ha, "Out of memory\n")); 67754a4bc2e9SLalit Chandivade goto exit_st_list; 677613483730SMike Christie } 677713483730SMike Christie 67784a4bc2e9SLalit Chandivade max_ddbs = is_qla40XX(ha) ? MAX_DEV_DB_ENTRIES_40XX : 67794a4bc2e9SLalit Chandivade MAX_DEV_DB_ENTRIES; 678013483730SMike Christie fw_idx_size = sizeof(struct qla_ddb_index); 678113483730SMike Christie 678213483730SMike Christie for (idx = 0; idx < max_ddbs; idx = next_idx) { 67834a4bc2e9SLalit Chandivade ret = qla4xxx_get_fwddb_entry(ha, idx, fw_ddb_entry, fw_ddb_dma, 67844a4bc2e9SLalit Chandivade NULL, &next_idx, &state, 67854a4bc2e9SLalit Chandivade &conn_err, NULL, &conn_id); 678613483730SMike Christie if (ret == QLA_ERROR) 678713483730SMike Christie break; 678813483730SMike Christie 6789981c982cSLalit Chandivade /* Ignore DDB if invalid state (unassigned) */ 6790981c982cSLalit Chandivade if (state == DDB_DS_UNASSIGNED) 6791981c982cSLalit Chandivade goto continue_next_st; 6792981c982cSLalit Chandivade 679313483730SMike Christie /* Check if ST, add to the list_st */ 679413483730SMike Christie if (strlen((char *) fw_ddb_entry->iscsi_name) != 0) 679513483730SMike Christie goto continue_next_st; 679613483730SMike Christie 679713483730SMike Christie st_ddb_idx = vzalloc(fw_idx_size); 679813483730SMike Christie if (!st_ddb_idx) 679913483730SMike Christie break; 680013483730SMike Christie 6801ad8bd45eSManish Rangankar ret = qla4xxx_find_flash_st_idx(ha, fw_ddb_entry, idx, 6802ad8bd45eSManish Rangankar &flash_index); 6803ad8bd45eSManish Rangankar if (ret == QLA_ERROR) { 6804ad8bd45eSManish Rangankar ql4_printk(KERN_ERR, ha, 6805ad8bd45eSManish Rangankar "No flash entry for ST at idx [%d]\n", idx); 6806ad8bd45eSManish Rangankar st_ddb_idx->flash_ddb_idx = idx; 6807ad8bd45eSManish Rangankar } else { 6808ad8bd45eSManish Rangankar ql4_printk(KERN_INFO, ha, 6809ad8bd45eSManish Rangankar "ST at idx [%d] is stored at flash [%d]\n", 6810ad8bd45eSManish Rangankar idx, flash_index); 6811ad8bd45eSManish Rangankar st_ddb_idx->flash_ddb_idx = flash_index; 6812ad8bd45eSManish Rangankar } 6813ad8bd45eSManish Rangankar 681413483730SMike Christie st_ddb_idx->fw_ddb_idx = idx; 681513483730SMike Christie 68164a4bc2e9SLalit Chandivade list_add_tail(&st_ddb_idx->list, list_st); 681713483730SMike Christie continue_next_st: 681813483730SMike Christie if (next_idx == 0) 681913483730SMike Christie break; 682013483730SMike Christie } 682113483730SMike Christie 68224a4bc2e9SLalit Chandivade exit_st_list: 68234a4bc2e9SLalit Chandivade if (fw_ddb_entry) 68244a4bc2e9SLalit Chandivade dma_pool_free(ha->fw_ddb_dma_pool, fw_ddb_entry, fw_ddb_dma); 68254a4bc2e9SLalit Chandivade } 68264a4bc2e9SLalit Chandivade 68274a4bc2e9SLalit Chandivade /** 68284a4bc2e9SLalit Chandivade * qla4xxx_remove_failed_ddb - Remove inactive or failed ddb from list 68294a4bc2e9SLalit Chandivade * @ha: pointer to adapter structure 68304a4bc2e9SLalit Chandivade * @list_ddb: List from which failed ddb to be removed 68314a4bc2e9SLalit Chandivade * 68324a4bc2e9SLalit Chandivade * Iterate over the list of DDBs and find and remove DDBs that are either in 68334a4bc2e9SLalit Chandivade * no connection active state or failed state 68344a4bc2e9SLalit Chandivade **/ 68354a4bc2e9SLalit Chandivade static void qla4xxx_remove_failed_ddb(struct scsi_qla_host *ha, 68364a4bc2e9SLalit Chandivade struct list_head *list_ddb) 68374a4bc2e9SLalit Chandivade { 68384a4bc2e9SLalit Chandivade struct qla_ddb_index *ddb_idx, *ddb_idx_tmp; 68394a4bc2e9SLalit Chandivade uint32_t next_idx = 0; 68404a4bc2e9SLalit Chandivade uint32_t state = 0, conn_err = 0; 68414a4bc2e9SLalit Chandivade int ret; 68424a4bc2e9SLalit Chandivade 68434a4bc2e9SLalit Chandivade list_for_each_entry_safe(ddb_idx, ddb_idx_tmp, list_ddb, list) { 68444a4bc2e9SLalit Chandivade ret = qla4xxx_get_fwddb_entry(ha, ddb_idx->fw_ddb_idx, 68454a4bc2e9SLalit Chandivade NULL, 0, NULL, &next_idx, &state, 68464a4bc2e9SLalit Chandivade &conn_err, NULL, NULL); 68474a4bc2e9SLalit Chandivade if (ret == QLA_ERROR) 68484a4bc2e9SLalit Chandivade continue; 68494a4bc2e9SLalit Chandivade 68504a4bc2e9SLalit Chandivade if (state == DDB_DS_NO_CONNECTION_ACTIVE || 68514a4bc2e9SLalit Chandivade state == DDB_DS_SESSION_FAILED) { 68524a4bc2e9SLalit Chandivade list_del_init(&ddb_idx->list); 68534a4bc2e9SLalit Chandivade vfree(ddb_idx); 68544a4bc2e9SLalit Chandivade } 68554a4bc2e9SLalit Chandivade } 68564a4bc2e9SLalit Chandivade } 68574a4bc2e9SLalit Chandivade 6858ad8bd45eSManish Rangankar static void qla4xxx_update_sess_disc_idx(struct scsi_qla_host *ha, 6859ad8bd45eSManish Rangankar struct ddb_entry *ddb_entry, 6860ad8bd45eSManish Rangankar struct dev_db_entry *fw_ddb_entry) 6861ad8bd45eSManish Rangankar { 6862ad8bd45eSManish Rangankar struct iscsi_cls_session *cls_sess; 6863ad8bd45eSManish Rangankar struct iscsi_session *sess; 6864ad8bd45eSManish Rangankar uint32_t max_ddbs = 0; 6865ad8bd45eSManish Rangankar uint16_t ddb_link = -1; 6866ad8bd45eSManish Rangankar 6867ad8bd45eSManish Rangankar max_ddbs = is_qla40XX(ha) ? MAX_DEV_DB_ENTRIES_40XX : 6868ad8bd45eSManish Rangankar MAX_DEV_DB_ENTRIES; 6869ad8bd45eSManish Rangankar 6870ad8bd45eSManish Rangankar cls_sess = ddb_entry->sess; 6871ad8bd45eSManish Rangankar sess = cls_sess->dd_data; 6872ad8bd45eSManish Rangankar 6873ad8bd45eSManish Rangankar ddb_link = le16_to_cpu(fw_ddb_entry->ddb_link); 6874ad8bd45eSManish Rangankar if (ddb_link < max_ddbs) 6875ad8bd45eSManish Rangankar sess->discovery_parent_idx = ddb_link; 6876ad8bd45eSManish Rangankar else 6877ad8bd45eSManish Rangankar sess->discovery_parent_idx = DDB_NO_LINK; 6878ad8bd45eSManish Rangankar } 6879ad8bd45eSManish Rangankar 68804a4bc2e9SLalit Chandivade static int qla4xxx_sess_conn_setup(struct scsi_qla_host *ha, 68814a4bc2e9SLalit Chandivade struct dev_db_entry *fw_ddb_entry, 68821dc8ed5dSManish Rangankar int is_reset, uint16_t idx) 68834a4bc2e9SLalit Chandivade { 68844a4bc2e9SLalit Chandivade struct iscsi_cls_session *cls_sess; 68854a4bc2e9SLalit Chandivade struct iscsi_session *sess; 68864a4bc2e9SLalit Chandivade struct iscsi_cls_conn *cls_conn; 68874a4bc2e9SLalit Chandivade struct iscsi_endpoint *ep; 68884a4bc2e9SLalit Chandivade uint16_t cmds_max = 32; 68894a4bc2e9SLalit Chandivade uint16_t conn_id = 0; 68904a4bc2e9SLalit Chandivade uint32_t initial_cmdsn = 0; 68914a4bc2e9SLalit Chandivade int ret = QLA_SUCCESS; 68924a4bc2e9SLalit Chandivade 68934a4bc2e9SLalit Chandivade struct ddb_entry *ddb_entry = NULL; 68944a4bc2e9SLalit Chandivade 68954a4bc2e9SLalit Chandivade /* Create session object, with INVALID_ENTRY, 68964a4bc2e9SLalit Chandivade * the targer_id would get set when we issue the login 68974a4bc2e9SLalit Chandivade */ 68984a4bc2e9SLalit Chandivade cls_sess = iscsi_session_setup(&qla4xxx_iscsi_transport, ha->host, 68994a4bc2e9SLalit Chandivade cmds_max, sizeof(struct ddb_entry), 69004a4bc2e9SLalit Chandivade sizeof(struct ql4_task_data), 69014a4bc2e9SLalit Chandivade initial_cmdsn, INVALID_ENTRY); 69024a4bc2e9SLalit Chandivade if (!cls_sess) { 69034a4bc2e9SLalit Chandivade ret = QLA_ERROR; 69044a4bc2e9SLalit Chandivade goto exit_setup; 69054a4bc2e9SLalit Chandivade } 69064a4bc2e9SLalit Chandivade 69074a4bc2e9SLalit Chandivade /* 69084a4bc2e9SLalit Chandivade * so calling module_put function to decrement the 69094a4bc2e9SLalit Chandivade * reference count. 69104a4bc2e9SLalit Chandivade **/ 69114a4bc2e9SLalit Chandivade module_put(qla4xxx_iscsi_transport.owner); 69124a4bc2e9SLalit Chandivade sess = cls_sess->dd_data; 69134a4bc2e9SLalit Chandivade ddb_entry = sess->dd_data; 69144a4bc2e9SLalit Chandivade ddb_entry->sess = cls_sess; 69154a4bc2e9SLalit Chandivade 69164a4bc2e9SLalit Chandivade cls_sess->recovery_tmo = ql4xsess_recovery_tmo; 69174a4bc2e9SLalit Chandivade memcpy(&ddb_entry->fw_ddb_entry, fw_ddb_entry, 69184a4bc2e9SLalit Chandivade sizeof(struct dev_db_entry)); 69194a4bc2e9SLalit Chandivade 69201dc8ed5dSManish Rangankar qla4xxx_setup_flash_ddb_entry(ha, ddb_entry, idx); 69214a4bc2e9SLalit Chandivade 69224a4bc2e9SLalit Chandivade cls_conn = iscsi_conn_setup(cls_sess, sizeof(struct qla_conn), conn_id); 69234a4bc2e9SLalit Chandivade 69244a4bc2e9SLalit Chandivade if (!cls_conn) { 69254a4bc2e9SLalit Chandivade ret = QLA_ERROR; 69264a4bc2e9SLalit Chandivade goto exit_setup; 69274a4bc2e9SLalit Chandivade } 69284a4bc2e9SLalit Chandivade 69294a4bc2e9SLalit Chandivade ddb_entry->conn = cls_conn; 69304a4bc2e9SLalit Chandivade 69314a4bc2e9SLalit Chandivade /* Setup ep, for displaying attributes in sysfs */ 69324a4bc2e9SLalit Chandivade ep = qla4xxx_get_ep_fwdb(ha, fw_ddb_entry); 69334a4bc2e9SLalit Chandivade if (ep) { 69344a4bc2e9SLalit Chandivade ep->conn = cls_conn; 69354a4bc2e9SLalit Chandivade cls_conn->ep = ep; 69364a4bc2e9SLalit Chandivade } else { 69374a4bc2e9SLalit Chandivade DEBUG2(ql4_printk(KERN_ERR, ha, "Unable to get ep\n")); 69384a4bc2e9SLalit Chandivade ret = QLA_ERROR; 69394a4bc2e9SLalit Chandivade goto exit_setup; 69404a4bc2e9SLalit Chandivade } 69414a4bc2e9SLalit Chandivade 69424a4bc2e9SLalit Chandivade /* Update sess/conn params */ 69434a4bc2e9SLalit Chandivade qla4xxx_copy_fwddb_param(ha, fw_ddb_entry, cls_sess, cls_conn); 6944ad8bd45eSManish Rangankar qla4xxx_update_sess_disc_idx(ha, ddb_entry, fw_ddb_entry); 69454a4bc2e9SLalit Chandivade 69464a4bc2e9SLalit Chandivade if (is_reset == RESET_ADAPTER) { 69474a4bc2e9SLalit Chandivade iscsi_block_session(cls_sess); 69484a4bc2e9SLalit Chandivade /* Use the relogin path to discover new devices 69494a4bc2e9SLalit Chandivade * by short-circuting the logic of setting 69504a4bc2e9SLalit Chandivade * timer to relogin - instead set the flags 69514a4bc2e9SLalit Chandivade * to initiate login right away. 69524a4bc2e9SLalit Chandivade */ 69534a4bc2e9SLalit Chandivade set_bit(DPC_RELOGIN_DEVICE, &ha->dpc_flags); 69544a4bc2e9SLalit Chandivade set_bit(DF_RELOGIN, &ddb_entry->flags); 69554a4bc2e9SLalit Chandivade } 69564a4bc2e9SLalit Chandivade 69574a4bc2e9SLalit Chandivade exit_setup: 69584a4bc2e9SLalit Chandivade return ret; 69594a4bc2e9SLalit Chandivade } 69604a4bc2e9SLalit Chandivade 6961ad8bd45eSManish Rangankar static void qla4xxx_update_fw_ddb_link(struct scsi_qla_host *ha, 6962ad8bd45eSManish Rangankar struct list_head *list_ddb, 6963ad8bd45eSManish Rangankar struct dev_db_entry *fw_ddb_entry) 6964ad8bd45eSManish Rangankar { 6965ad8bd45eSManish Rangankar struct qla_ddb_index *ddb_idx, *ddb_idx_tmp; 6966ad8bd45eSManish Rangankar uint16_t ddb_link; 6967ad8bd45eSManish Rangankar 6968ad8bd45eSManish Rangankar ddb_link = le16_to_cpu(fw_ddb_entry->ddb_link); 6969ad8bd45eSManish Rangankar 6970ad8bd45eSManish Rangankar list_for_each_entry_safe(ddb_idx, ddb_idx_tmp, list_ddb, list) { 6971ad8bd45eSManish Rangankar if (ddb_idx->fw_ddb_idx == ddb_link) { 6972ad8bd45eSManish Rangankar DEBUG2(ql4_printk(KERN_INFO, ha, 6973ad8bd45eSManish Rangankar "Updating NT parent idx from [%d] to [%d]\n", 6974ad8bd45eSManish Rangankar ddb_link, ddb_idx->flash_ddb_idx)); 6975ad8bd45eSManish Rangankar fw_ddb_entry->ddb_link = 6976ad8bd45eSManish Rangankar cpu_to_le16(ddb_idx->flash_ddb_idx); 6977ad8bd45eSManish Rangankar return; 6978ad8bd45eSManish Rangankar } 6979ad8bd45eSManish Rangankar } 6980ad8bd45eSManish Rangankar } 6981ad8bd45eSManish Rangankar 69824a4bc2e9SLalit Chandivade static void qla4xxx_build_nt_list(struct scsi_qla_host *ha, 6983ad8bd45eSManish Rangankar struct list_head *list_nt, 6984ad8bd45eSManish Rangankar struct list_head *list_st, 6985ad8bd45eSManish Rangankar int is_reset) 69864a4bc2e9SLalit Chandivade { 69874a4bc2e9SLalit Chandivade struct dev_db_entry *fw_ddb_entry; 6988ad8bd45eSManish Rangankar struct ddb_entry *ddb_entry = NULL; 69894a4bc2e9SLalit Chandivade dma_addr_t fw_ddb_dma; 69904a4bc2e9SLalit Chandivade int max_ddbs; 69914a4bc2e9SLalit Chandivade int fw_idx_size; 69924a4bc2e9SLalit Chandivade int ret; 69934a4bc2e9SLalit Chandivade uint32_t idx = 0, next_idx = 0; 69944a4bc2e9SLalit Chandivade uint32_t state = 0, conn_err = 0; 6995ad8bd45eSManish Rangankar uint32_t ddb_idx = -1; 69964a4bc2e9SLalit Chandivade uint16_t conn_id = 0; 6997ad8bd45eSManish Rangankar uint16_t ddb_link = -1; 69984a4bc2e9SLalit Chandivade struct qla_ddb_index *nt_ddb_idx; 69994a4bc2e9SLalit Chandivade 70004a4bc2e9SLalit Chandivade fw_ddb_entry = dma_pool_alloc(ha->fw_ddb_dma_pool, GFP_KERNEL, 70014a4bc2e9SLalit Chandivade &fw_ddb_dma); 70024a4bc2e9SLalit Chandivade if (fw_ddb_entry == NULL) { 70034a4bc2e9SLalit Chandivade DEBUG2(ql4_printk(KERN_ERR, ha, "Out of memory\n")); 70044a4bc2e9SLalit Chandivade goto exit_nt_list; 70054a4bc2e9SLalit Chandivade } 70064a4bc2e9SLalit Chandivade max_ddbs = is_qla40XX(ha) ? MAX_DEV_DB_ENTRIES_40XX : 70074a4bc2e9SLalit Chandivade MAX_DEV_DB_ENTRIES; 70084a4bc2e9SLalit Chandivade fw_idx_size = sizeof(struct qla_ddb_index); 70094a4bc2e9SLalit Chandivade 70104a4bc2e9SLalit Chandivade for (idx = 0; idx < max_ddbs; idx = next_idx) { 70114a4bc2e9SLalit Chandivade ret = qla4xxx_get_fwddb_entry(ha, idx, fw_ddb_entry, fw_ddb_dma, 70124a4bc2e9SLalit Chandivade NULL, &next_idx, &state, 70134a4bc2e9SLalit Chandivade &conn_err, NULL, &conn_id); 70144a4bc2e9SLalit Chandivade if (ret == QLA_ERROR) 70154a4bc2e9SLalit Chandivade break; 70164a4bc2e9SLalit Chandivade 70174a4bc2e9SLalit Chandivade if (qla4xxx_verify_boot_idx(ha, idx) != QLA_SUCCESS) 70184a4bc2e9SLalit Chandivade goto continue_next_nt; 70194a4bc2e9SLalit Chandivade 70204a4bc2e9SLalit Chandivade /* Check if NT, then add to list it */ 70214a4bc2e9SLalit Chandivade if (strlen((char *) fw_ddb_entry->iscsi_name) == 0) 70224a4bc2e9SLalit Chandivade goto continue_next_nt; 70234a4bc2e9SLalit Chandivade 7024ad8bd45eSManish Rangankar ddb_link = le16_to_cpu(fw_ddb_entry->ddb_link); 7025ad8bd45eSManish Rangankar if (ddb_link < max_ddbs) 7026ad8bd45eSManish Rangankar qla4xxx_update_fw_ddb_link(ha, list_st, fw_ddb_entry); 7027ad8bd45eSManish Rangankar 70284a4bc2e9SLalit Chandivade if (!(state == DDB_DS_NO_CONNECTION_ACTIVE || 7029ad8bd45eSManish Rangankar state == DDB_DS_SESSION_FAILED) && 7030ad8bd45eSManish Rangankar (is_reset == INIT_ADAPTER)) 70314a4bc2e9SLalit Chandivade goto continue_next_nt; 70324a4bc2e9SLalit Chandivade 70334a4bc2e9SLalit Chandivade DEBUG2(ql4_printk(KERN_INFO, ha, 70344a4bc2e9SLalit Chandivade "Adding DDB to session = 0x%x\n", idx)); 7035ad8bd45eSManish Rangankar 70364a4bc2e9SLalit Chandivade if (is_reset == INIT_ADAPTER) { 70374a4bc2e9SLalit Chandivade nt_ddb_idx = vmalloc(fw_idx_size); 70384a4bc2e9SLalit Chandivade if (!nt_ddb_idx) 70394a4bc2e9SLalit Chandivade break; 70404a4bc2e9SLalit Chandivade 70414a4bc2e9SLalit Chandivade nt_ddb_idx->fw_ddb_idx = idx; 70424a4bc2e9SLalit Chandivade 70431cb78d73SVikas Chaudhary /* Copy original isid as it may get updated in function 70441cb78d73SVikas Chaudhary * qla4xxx_update_isid(). We need original isid in 70451cb78d73SVikas Chaudhary * function qla4xxx_compare_tuple_ddb to find duplicate 70461cb78d73SVikas Chaudhary * target */ 70471cb78d73SVikas Chaudhary memcpy(&nt_ddb_idx->flash_isid[0], 70481cb78d73SVikas Chaudhary &fw_ddb_entry->isid[0], 70491cb78d73SVikas Chaudhary sizeof(nt_ddb_idx->flash_isid)); 70504a4bc2e9SLalit Chandivade 70511cb78d73SVikas Chaudhary ret = qla4xxx_is_flash_ddb_exists(ha, list_nt, 70521cb78d73SVikas Chaudhary fw_ddb_entry); 70531cb78d73SVikas Chaudhary if (ret == QLA_SUCCESS) { 70541cb78d73SVikas Chaudhary /* free nt_ddb_idx and do not add to list_nt */ 70554a4bc2e9SLalit Chandivade vfree(nt_ddb_idx); 70564a4bc2e9SLalit Chandivade goto continue_next_nt; 70574a4bc2e9SLalit Chandivade } 70581cb78d73SVikas Chaudhary 70591cb78d73SVikas Chaudhary /* Copy updated isid */ 70601cb78d73SVikas Chaudhary memcpy(&nt_ddb_idx->fw_ddb, fw_ddb_entry, 70611cb78d73SVikas Chaudhary sizeof(struct dev_db_entry)); 70621cb78d73SVikas Chaudhary 70634a4bc2e9SLalit Chandivade list_add_tail(&nt_ddb_idx->list, list_nt); 70644a4bc2e9SLalit Chandivade } else if (is_reset == RESET_ADAPTER) { 7065ad8bd45eSManish Rangankar ret = qla4xxx_is_session_exists(ha, fw_ddb_entry, 7066ad8bd45eSManish Rangankar &ddb_idx); 7067ad8bd45eSManish Rangankar if (ret == QLA_SUCCESS) { 7068ad8bd45eSManish Rangankar ddb_entry = qla4xxx_lookup_ddb_by_fw_index(ha, 7069ad8bd45eSManish Rangankar ddb_idx); 7070ad8bd45eSManish Rangankar if (ddb_entry != NULL) 7071ad8bd45eSManish Rangankar qla4xxx_update_sess_disc_idx(ha, 7072ad8bd45eSManish Rangankar ddb_entry, 7073ad8bd45eSManish Rangankar fw_ddb_entry); 70744a4bc2e9SLalit Chandivade goto continue_next_nt; 70754a4bc2e9SLalit Chandivade } 7076ad8bd45eSManish Rangankar } 70774a4bc2e9SLalit Chandivade 70781dc8ed5dSManish Rangankar ret = qla4xxx_sess_conn_setup(ha, fw_ddb_entry, is_reset, idx); 70794a4bc2e9SLalit Chandivade if (ret == QLA_ERROR) 70804a4bc2e9SLalit Chandivade goto exit_nt_list; 70814a4bc2e9SLalit Chandivade 70824a4bc2e9SLalit Chandivade continue_next_nt: 70834a4bc2e9SLalit Chandivade if (next_idx == 0) 70844a4bc2e9SLalit Chandivade break; 70854a4bc2e9SLalit Chandivade } 70864a4bc2e9SLalit Chandivade 70874a4bc2e9SLalit Chandivade exit_nt_list: 70884a4bc2e9SLalit Chandivade if (fw_ddb_entry) 70894a4bc2e9SLalit Chandivade dma_pool_free(ha->fw_ddb_dma_pool, fw_ddb_entry, fw_ddb_dma); 70904a4bc2e9SLalit Chandivade } 70914a4bc2e9SLalit Chandivade 70921e9e2be3SAdheer Chandravanshi static void qla4xxx_build_new_nt_list(struct scsi_qla_host *ha, 7093ad8bd45eSManish Rangankar struct list_head *list_nt, 7094ad8bd45eSManish Rangankar uint16_t target_id) 70951e9e2be3SAdheer Chandravanshi { 70961e9e2be3SAdheer Chandravanshi struct dev_db_entry *fw_ddb_entry; 70971e9e2be3SAdheer Chandravanshi dma_addr_t fw_ddb_dma; 70981e9e2be3SAdheer Chandravanshi int max_ddbs; 70991e9e2be3SAdheer Chandravanshi int fw_idx_size; 71001e9e2be3SAdheer Chandravanshi int ret; 71011e9e2be3SAdheer Chandravanshi uint32_t idx = 0, next_idx = 0; 71021e9e2be3SAdheer Chandravanshi uint32_t state = 0, conn_err = 0; 71031e9e2be3SAdheer Chandravanshi uint16_t conn_id = 0; 71041e9e2be3SAdheer Chandravanshi struct qla_ddb_index *nt_ddb_idx; 71051e9e2be3SAdheer Chandravanshi 71061e9e2be3SAdheer Chandravanshi fw_ddb_entry = dma_pool_alloc(ha->fw_ddb_dma_pool, GFP_KERNEL, 71071e9e2be3SAdheer Chandravanshi &fw_ddb_dma); 71081e9e2be3SAdheer Chandravanshi if (fw_ddb_entry == NULL) { 71091e9e2be3SAdheer Chandravanshi DEBUG2(ql4_printk(KERN_ERR, ha, "Out of memory\n")); 71101e9e2be3SAdheer Chandravanshi goto exit_new_nt_list; 71111e9e2be3SAdheer Chandravanshi } 71121e9e2be3SAdheer Chandravanshi max_ddbs = is_qla40XX(ha) ? MAX_DEV_DB_ENTRIES_40XX : 71131e9e2be3SAdheer Chandravanshi MAX_DEV_DB_ENTRIES; 71141e9e2be3SAdheer Chandravanshi fw_idx_size = sizeof(struct qla_ddb_index); 71151e9e2be3SAdheer Chandravanshi 71161e9e2be3SAdheer Chandravanshi for (idx = 0; idx < max_ddbs; idx = next_idx) { 71171e9e2be3SAdheer Chandravanshi ret = qla4xxx_get_fwddb_entry(ha, idx, fw_ddb_entry, fw_ddb_dma, 71181e9e2be3SAdheer Chandravanshi NULL, &next_idx, &state, 71191e9e2be3SAdheer Chandravanshi &conn_err, NULL, &conn_id); 71201e9e2be3SAdheer Chandravanshi if (ret == QLA_ERROR) 71211e9e2be3SAdheer Chandravanshi break; 71221e9e2be3SAdheer Chandravanshi 71231e9e2be3SAdheer Chandravanshi /* Check if NT, then add it to list */ 71241e9e2be3SAdheer Chandravanshi if (strlen((char *)fw_ddb_entry->iscsi_name) == 0) 71251e9e2be3SAdheer Chandravanshi goto continue_next_new_nt; 71261e9e2be3SAdheer Chandravanshi 71271e9e2be3SAdheer Chandravanshi if (!(state == DDB_DS_NO_CONNECTION_ACTIVE)) 71281e9e2be3SAdheer Chandravanshi goto continue_next_new_nt; 71291e9e2be3SAdheer Chandravanshi 71301e9e2be3SAdheer Chandravanshi DEBUG2(ql4_printk(KERN_INFO, ha, 71311e9e2be3SAdheer Chandravanshi "Adding DDB to session = 0x%x\n", idx)); 71321e9e2be3SAdheer Chandravanshi 71331e9e2be3SAdheer Chandravanshi nt_ddb_idx = vmalloc(fw_idx_size); 71341e9e2be3SAdheer Chandravanshi if (!nt_ddb_idx) 71351e9e2be3SAdheer Chandravanshi break; 71361e9e2be3SAdheer Chandravanshi 71371e9e2be3SAdheer Chandravanshi nt_ddb_idx->fw_ddb_idx = idx; 71381e9e2be3SAdheer Chandravanshi 7139ad8bd45eSManish Rangankar ret = qla4xxx_is_session_exists(ha, fw_ddb_entry, NULL); 71401e9e2be3SAdheer Chandravanshi if (ret == QLA_SUCCESS) { 71411e9e2be3SAdheer Chandravanshi /* free nt_ddb_idx and do not add to list_nt */ 71421e9e2be3SAdheer Chandravanshi vfree(nt_ddb_idx); 71431e9e2be3SAdheer Chandravanshi goto continue_next_new_nt; 71441e9e2be3SAdheer Chandravanshi } 71451e9e2be3SAdheer Chandravanshi 7146ad8bd45eSManish Rangankar if (target_id < max_ddbs) 7147ad8bd45eSManish Rangankar fw_ddb_entry->ddb_link = cpu_to_le16(target_id); 7148ad8bd45eSManish Rangankar 71491e9e2be3SAdheer Chandravanshi list_add_tail(&nt_ddb_idx->list, list_nt); 71501e9e2be3SAdheer Chandravanshi 71511e9e2be3SAdheer Chandravanshi ret = qla4xxx_sess_conn_setup(ha, fw_ddb_entry, RESET_ADAPTER, 71521e9e2be3SAdheer Chandravanshi idx); 71531e9e2be3SAdheer Chandravanshi if (ret == QLA_ERROR) 71541e9e2be3SAdheer Chandravanshi goto exit_new_nt_list; 71551e9e2be3SAdheer Chandravanshi 71561e9e2be3SAdheer Chandravanshi continue_next_new_nt: 71571e9e2be3SAdheer Chandravanshi if (next_idx == 0) 71581e9e2be3SAdheer Chandravanshi break; 71591e9e2be3SAdheer Chandravanshi } 71601e9e2be3SAdheer Chandravanshi 71611e9e2be3SAdheer Chandravanshi exit_new_nt_list: 71621e9e2be3SAdheer Chandravanshi if (fw_ddb_entry) 71631e9e2be3SAdheer Chandravanshi dma_pool_free(ha->fw_ddb_dma_pool, fw_ddb_entry, fw_ddb_dma); 71641e9e2be3SAdheer Chandravanshi } 71651e9e2be3SAdheer Chandravanshi 71661e9e2be3SAdheer Chandravanshi /** 71671e9e2be3SAdheer Chandravanshi * qla4xxx_sysfs_ddb_is_non_persistent - check for non-persistence of ddb entry 71681e9e2be3SAdheer Chandravanshi * @dev: dev associated with the sysfs entry 71691e9e2be3SAdheer Chandravanshi * @data: pointer to flashnode session object 71701e9e2be3SAdheer Chandravanshi * 71711e9e2be3SAdheer Chandravanshi * Returns: 71721e9e2be3SAdheer Chandravanshi * 1: if flashnode entry is non-persistent 71731e9e2be3SAdheer Chandravanshi * 0: if flashnode entry is persistent 71741e9e2be3SAdheer Chandravanshi **/ 71751e9e2be3SAdheer Chandravanshi static int qla4xxx_sysfs_ddb_is_non_persistent(struct device *dev, void *data) 71761e9e2be3SAdheer Chandravanshi { 71771e9e2be3SAdheer Chandravanshi struct iscsi_bus_flash_session *fnode_sess; 71781e9e2be3SAdheer Chandravanshi 71791e9e2be3SAdheer Chandravanshi if (!iscsi_flashnode_bus_match(dev, NULL)) 71801e9e2be3SAdheer Chandravanshi return 0; 71811e9e2be3SAdheer Chandravanshi 71821e9e2be3SAdheer Chandravanshi fnode_sess = iscsi_dev_to_flash_session(dev); 71831e9e2be3SAdheer Chandravanshi 71841e9e2be3SAdheer Chandravanshi return (fnode_sess->flash_state == DEV_DB_NON_PERSISTENT); 71851e9e2be3SAdheer Chandravanshi } 71861e9e2be3SAdheer Chandravanshi 71871e9e2be3SAdheer Chandravanshi /** 71881e9e2be3SAdheer Chandravanshi * qla4xxx_sysfs_ddb_tgt_create - Create sysfs entry for target 71891e9e2be3SAdheer Chandravanshi * @ha: pointer to host 71901e9e2be3SAdheer Chandravanshi * @fw_ddb_entry: flash ddb data 71911e9e2be3SAdheer Chandravanshi * @idx: target index 71921e9e2be3SAdheer Chandravanshi * @user: if set then this call is made from userland else from kernel 71931e9e2be3SAdheer Chandravanshi * 71941e9e2be3SAdheer Chandravanshi * Returns: 71951e9e2be3SAdheer Chandravanshi * On sucess: QLA_SUCCESS 71961e9e2be3SAdheer Chandravanshi * On failure: QLA_ERROR 71971e9e2be3SAdheer Chandravanshi * 71981e9e2be3SAdheer Chandravanshi * This create separate sysfs entries for session and connection attributes of 71991e9e2be3SAdheer Chandravanshi * the given fw ddb entry. 72001e9e2be3SAdheer Chandravanshi * If this is invoked as a result of a userspace call then the entry is marked 72011e9e2be3SAdheer Chandravanshi * as nonpersistent using flash_state field. 72021e9e2be3SAdheer Chandravanshi **/ 720328e02f1aSVikas Chaudhary static int qla4xxx_sysfs_ddb_tgt_create(struct scsi_qla_host *ha, 72041e9e2be3SAdheer Chandravanshi struct dev_db_entry *fw_ddb_entry, 72051e9e2be3SAdheer Chandravanshi uint16_t *idx, int user) 72061e9e2be3SAdheer Chandravanshi { 72071e9e2be3SAdheer Chandravanshi struct iscsi_bus_flash_session *fnode_sess = NULL; 72081e9e2be3SAdheer Chandravanshi struct iscsi_bus_flash_conn *fnode_conn = NULL; 72091e9e2be3SAdheer Chandravanshi int rc = QLA_ERROR; 72101e9e2be3SAdheer Chandravanshi 72111e9e2be3SAdheer Chandravanshi fnode_sess = iscsi_create_flashnode_sess(ha->host, *idx, 72121e9e2be3SAdheer Chandravanshi &qla4xxx_iscsi_transport, 0); 72131e9e2be3SAdheer Chandravanshi if (!fnode_sess) { 72141e9e2be3SAdheer Chandravanshi ql4_printk(KERN_ERR, ha, 72151e9e2be3SAdheer Chandravanshi "%s: Unable to create session sysfs entry for flashnode %d of host%lu\n", 72161e9e2be3SAdheer Chandravanshi __func__, *idx, ha->host_no); 72171e9e2be3SAdheer Chandravanshi goto exit_tgt_create; 72181e9e2be3SAdheer Chandravanshi } 72191e9e2be3SAdheer Chandravanshi 72201e9e2be3SAdheer Chandravanshi fnode_conn = iscsi_create_flashnode_conn(ha->host, fnode_sess, 72211e9e2be3SAdheer Chandravanshi &qla4xxx_iscsi_transport, 0); 72221e9e2be3SAdheer Chandravanshi if (!fnode_conn) { 72231e9e2be3SAdheer Chandravanshi ql4_printk(KERN_ERR, ha, 72241e9e2be3SAdheer Chandravanshi "%s: Unable to create conn sysfs entry for flashnode %d of host%lu\n", 72251e9e2be3SAdheer Chandravanshi __func__, *idx, ha->host_no); 72261e9e2be3SAdheer Chandravanshi goto free_sess; 72271e9e2be3SAdheer Chandravanshi } 72281e9e2be3SAdheer Chandravanshi 72291e9e2be3SAdheer Chandravanshi if (user) { 72301e9e2be3SAdheer Chandravanshi fnode_sess->flash_state = DEV_DB_NON_PERSISTENT; 72311e9e2be3SAdheer Chandravanshi } else { 72321e9e2be3SAdheer Chandravanshi fnode_sess->flash_state = DEV_DB_PERSISTENT; 72331e9e2be3SAdheer Chandravanshi 72341e9e2be3SAdheer Chandravanshi if (*idx == ha->pri_ddb_idx || *idx == ha->sec_ddb_idx) 72351e9e2be3SAdheer Chandravanshi fnode_sess->is_boot_target = 1; 72361e9e2be3SAdheer Chandravanshi else 72371e9e2be3SAdheer Chandravanshi fnode_sess->is_boot_target = 0; 72381e9e2be3SAdheer Chandravanshi } 72391e9e2be3SAdheer Chandravanshi 72401e9e2be3SAdheer Chandravanshi rc = qla4xxx_copy_from_fwddb_param(fnode_sess, fnode_conn, 72411e9e2be3SAdheer Chandravanshi fw_ddb_entry); 72421e9e2be3SAdheer Chandravanshi 72431e9e2be3SAdheer Chandravanshi ql4_printk(KERN_INFO, ha, "%s: sysfs entry %s created\n", 72441e9e2be3SAdheer Chandravanshi __func__, fnode_sess->dev.kobj.name); 72451e9e2be3SAdheer Chandravanshi 72461e9e2be3SAdheer Chandravanshi ql4_printk(KERN_INFO, ha, "%s: sysfs entry %s created\n", 72471e9e2be3SAdheer Chandravanshi __func__, fnode_conn->dev.kobj.name); 72481e9e2be3SAdheer Chandravanshi 72491e9e2be3SAdheer Chandravanshi return QLA_SUCCESS; 72501e9e2be3SAdheer Chandravanshi 72511e9e2be3SAdheer Chandravanshi free_sess: 72521e9e2be3SAdheer Chandravanshi iscsi_destroy_flashnode_sess(fnode_sess); 72531e9e2be3SAdheer Chandravanshi 72541e9e2be3SAdheer Chandravanshi exit_tgt_create: 72551e9e2be3SAdheer Chandravanshi return QLA_ERROR; 72561e9e2be3SAdheer Chandravanshi } 72571e9e2be3SAdheer Chandravanshi 72581e9e2be3SAdheer Chandravanshi /** 72591e9e2be3SAdheer Chandravanshi * qla4xxx_sysfs_ddb_add - Add new ddb entry in flash 72601e9e2be3SAdheer Chandravanshi * @shost: pointer to host 72611e9e2be3SAdheer Chandravanshi * @buf: type of ddb entry (ipv4/ipv6) 72621e9e2be3SAdheer Chandravanshi * @len: length of buf 72631e9e2be3SAdheer Chandravanshi * 72641e9e2be3SAdheer Chandravanshi * This creates new ddb entry in the flash by finding first free index and 72651e9e2be3SAdheer Chandravanshi * storing default ddb there. And then create sysfs entry for the new ddb entry. 72661e9e2be3SAdheer Chandravanshi **/ 72671e9e2be3SAdheer Chandravanshi static int qla4xxx_sysfs_ddb_add(struct Scsi_Host *shost, const char *buf, 72681e9e2be3SAdheer Chandravanshi int len) 72691e9e2be3SAdheer Chandravanshi { 72701e9e2be3SAdheer Chandravanshi struct scsi_qla_host *ha = to_qla_host(shost); 72711e9e2be3SAdheer Chandravanshi struct dev_db_entry *fw_ddb_entry = NULL; 72721e9e2be3SAdheer Chandravanshi dma_addr_t fw_ddb_entry_dma; 72731e9e2be3SAdheer Chandravanshi struct device *dev; 72741e9e2be3SAdheer Chandravanshi uint16_t idx = 0; 72751e9e2be3SAdheer Chandravanshi uint16_t max_ddbs = 0; 72761e9e2be3SAdheer Chandravanshi uint32_t options = 0; 72771e9e2be3SAdheer Chandravanshi uint32_t rval = QLA_ERROR; 72781e9e2be3SAdheer Chandravanshi 7279c962c18bSAdheer Chandravanshi if (strncasecmp(PORTAL_TYPE_IPV4, buf, 4) && 7280c962c18bSAdheer Chandravanshi strncasecmp(PORTAL_TYPE_IPV6, buf, 4)) { 72811e9e2be3SAdheer Chandravanshi DEBUG2(ql4_printk(KERN_ERR, ha, "%s: Invalid portal type\n", 72821e9e2be3SAdheer Chandravanshi __func__)); 72831e9e2be3SAdheer Chandravanshi goto exit_ddb_add; 72841e9e2be3SAdheer Chandravanshi } 72851e9e2be3SAdheer Chandravanshi 7286a957a7d7SAdheer Chandravanshi max_ddbs = is_qla40XX(ha) ? MAX_PRST_DEV_DB_ENTRIES : 72871e9e2be3SAdheer Chandravanshi MAX_DEV_DB_ENTRIES; 72881e9e2be3SAdheer Chandravanshi 72891e9e2be3SAdheer Chandravanshi fw_ddb_entry = dma_alloc_coherent(&ha->pdev->dev, sizeof(*fw_ddb_entry), 72901e9e2be3SAdheer Chandravanshi &fw_ddb_entry_dma, GFP_KERNEL); 72911e9e2be3SAdheer Chandravanshi if (!fw_ddb_entry) { 72921e9e2be3SAdheer Chandravanshi DEBUG2(ql4_printk(KERN_ERR, ha, 72931e9e2be3SAdheer Chandravanshi "%s: Unable to allocate dma buffer\n", 72941e9e2be3SAdheer Chandravanshi __func__)); 72951e9e2be3SAdheer Chandravanshi goto exit_ddb_add; 72961e9e2be3SAdheer Chandravanshi } 72971e9e2be3SAdheer Chandravanshi 72981e9e2be3SAdheer Chandravanshi dev = iscsi_find_flashnode_sess(ha->host, NULL, 72991e9e2be3SAdheer Chandravanshi qla4xxx_sysfs_ddb_is_non_persistent); 73001e9e2be3SAdheer Chandravanshi if (dev) { 73011e9e2be3SAdheer Chandravanshi ql4_printk(KERN_ERR, ha, 73021e9e2be3SAdheer Chandravanshi "%s: A non-persistent entry %s found\n", 73031e9e2be3SAdheer Chandravanshi __func__, dev->kobj.name); 73048526cb11SMike Christie put_device(dev); 73051e9e2be3SAdheer Chandravanshi goto exit_ddb_add; 73061e9e2be3SAdheer Chandravanshi } 73071e9e2be3SAdheer Chandravanshi 730899937574SAdheer Chandravanshi /* Index 0 and 1 are reserved for boot target entries */ 730999937574SAdheer Chandravanshi for (idx = 2; idx < max_ddbs; idx++) { 73101e9e2be3SAdheer Chandravanshi if (qla4xxx_flashdb_by_index(ha, fw_ddb_entry, 73111e9e2be3SAdheer Chandravanshi fw_ddb_entry_dma, idx)) 73121e9e2be3SAdheer Chandravanshi break; 73131e9e2be3SAdheer Chandravanshi } 73141e9e2be3SAdheer Chandravanshi 73151e9e2be3SAdheer Chandravanshi if (idx == max_ddbs) 73161e9e2be3SAdheer Chandravanshi goto exit_ddb_add; 73171e9e2be3SAdheer Chandravanshi 73181e9e2be3SAdheer Chandravanshi if (!strncasecmp("ipv6", buf, 4)) 73191e9e2be3SAdheer Chandravanshi options |= IPV6_DEFAULT_DDB_ENTRY; 73201e9e2be3SAdheer Chandravanshi 73211e9e2be3SAdheer Chandravanshi rval = qla4xxx_get_default_ddb(ha, options, fw_ddb_entry_dma); 73221e9e2be3SAdheer Chandravanshi if (rval == QLA_ERROR) 73231e9e2be3SAdheer Chandravanshi goto exit_ddb_add; 73241e9e2be3SAdheer Chandravanshi 73251e9e2be3SAdheer Chandravanshi rval = qla4xxx_sysfs_ddb_tgt_create(ha, fw_ddb_entry, &idx, 1); 73261e9e2be3SAdheer Chandravanshi 73271e9e2be3SAdheer Chandravanshi exit_ddb_add: 73281e9e2be3SAdheer Chandravanshi if (fw_ddb_entry) 73291e9e2be3SAdheer Chandravanshi dma_free_coherent(&ha->pdev->dev, sizeof(*fw_ddb_entry), 73301e9e2be3SAdheer Chandravanshi fw_ddb_entry, fw_ddb_entry_dma); 73311e9e2be3SAdheer Chandravanshi if (rval == QLA_SUCCESS) 73321e9e2be3SAdheer Chandravanshi return idx; 73331e9e2be3SAdheer Chandravanshi else 73341e9e2be3SAdheer Chandravanshi return -EIO; 73351e9e2be3SAdheer Chandravanshi } 73361e9e2be3SAdheer Chandravanshi 73371e9e2be3SAdheer Chandravanshi /** 73381e9e2be3SAdheer Chandravanshi * qla4xxx_sysfs_ddb_apply - write the target ddb contents to Flash 73391e9e2be3SAdheer Chandravanshi * @fnode_sess: pointer to session attrs of flash ddb entry 73401e9e2be3SAdheer Chandravanshi * @fnode_conn: pointer to connection attrs of flash ddb entry 73411e9e2be3SAdheer Chandravanshi * 73421e9e2be3SAdheer Chandravanshi * This writes the contents of target ddb buffer to Flash with a valid cookie 73431e9e2be3SAdheer Chandravanshi * value in order to make the ddb entry persistent. 73441e9e2be3SAdheer Chandravanshi **/ 73451e9e2be3SAdheer Chandravanshi static int qla4xxx_sysfs_ddb_apply(struct iscsi_bus_flash_session *fnode_sess, 73461e9e2be3SAdheer Chandravanshi struct iscsi_bus_flash_conn *fnode_conn) 73471e9e2be3SAdheer Chandravanshi { 73481e9e2be3SAdheer Chandravanshi struct Scsi_Host *shost = iscsi_flash_session_to_shost(fnode_sess); 73491e9e2be3SAdheer Chandravanshi struct scsi_qla_host *ha = to_qla_host(shost); 73501e9e2be3SAdheer Chandravanshi uint32_t dev_db_start_offset = FLASH_OFFSET_DB_INFO; 73511e9e2be3SAdheer Chandravanshi struct dev_db_entry *fw_ddb_entry = NULL; 73521e9e2be3SAdheer Chandravanshi dma_addr_t fw_ddb_entry_dma; 73531e9e2be3SAdheer Chandravanshi uint32_t options = 0; 73541e9e2be3SAdheer Chandravanshi int rval = 0; 73551e9e2be3SAdheer Chandravanshi 73561e9e2be3SAdheer Chandravanshi fw_ddb_entry = dma_alloc_coherent(&ha->pdev->dev, sizeof(*fw_ddb_entry), 73571e9e2be3SAdheer Chandravanshi &fw_ddb_entry_dma, GFP_KERNEL); 73581e9e2be3SAdheer Chandravanshi if (!fw_ddb_entry) { 73591e9e2be3SAdheer Chandravanshi DEBUG2(ql4_printk(KERN_ERR, ha, 73601e9e2be3SAdheer Chandravanshi "%s: Unable to allocate dma buffer\n", 73611e9e2be3SAdheer Chandravanshi __func__)); 73621e9e2be3SAdheer Chandravanshi rval = -ENOMEM; 73631e9e2be3SAdheer Chandravanshi goto exit_ddb_apply; 73641e9e2be3SAdheer Chandravanshi } 73651e9e2be3SAdheer Chandravanshi 7366c962c18bSAdheer Chandravanshi if (!strncasecmp(fnode_sess->portal_type, PORTAL_TYPE_IPV6, 4)) 73671e9e2be3SAdheer Chandravanshi options |= IPV6_DEFAULT_DDB_ENTRY; 73681e9e2be3SAdheer Chandravanshi 73691e9e2be3SAdheer Chandravanshi rval = qla4xxx_get_default_ddb(ha, options, fw_ddb_entry_dma); 73701e9e2be3SAdheer Chandravanshi if (rval == QLA_ERROR) 73711e9e2be3SAdheer Chandravanshi goto exit_ddb_apply; 73721e9e2be3SAdheer Chandravanshi 73731e9e2be3SAdheer Chandravanshi dev_db_start_offset += (fnode_sess->target_id * 73741e9e2be3SAdheer Chandravanshi sizeof(*fw_ddb_entry)); 73751e9e2be3SAdheer Chandravanshi 73761e9e2be3SAdheer Chandravanshi qla4xxx_copy_to_fwddb_param(fnode_sess, fnode_conn, fw_ddb_entry); 73771e9e2be3SAdheer Chandravanshi fw_ddb_entry->cookie = DDB_VALID_COOKIE; 73781e9e2be3SAdheer Chandravanshi 73791e9e2be3SAdheer Chandravanshi rval = qla4xxx_set_flash(ha, fw_ddb_entry_dma, dev_db_start_offset, 73801e9e2be3SAdheer Chandravanshi sizeof(*fw_ddb_entry), FLASH_OPT_RMW_COMMIT); 73811e9e2be3SAdheer Chandravanshi 73821e9e2be3SAdheer Chandravanshi if (rval == QLA_SUCCESS) { 73831e9e2be3SAdheer Chandravanshi fnode_sess->flash_state = DEV_DB_PERSISTENT; 73841e9e2be3SAdheer Chandravanshi ql4_printk(KERN_INFO, ha, 73851e9e2be3SAdheer Chandravanshi "%s: flash node %u of host %lu written to flash\n", 73861e9e2be3SAdheer Chandravanshi __func__, fnode_sess->target_id, ha->host_no); 73871e9e2be3SAdheer Chandravanshi } else { 73881e9e2be3SAdheer Chandravanshi rval = -EIO; 73891e9e2be3SAdheer Chandravanshi ql4_printk(KERN_ERR, ha, 73901e9e2be3SAdheer Chandravanshi "%s: Error while writing flash node %u of host %lu to flash\n", 73911e9e2be3SAdheer Chandravanshi __func__, fnode_sess->target_id, ha->host_no); 73921e9e2be3SAdheer Chandravanshi } 73931e9e2be3SAdheer Chandravanshi 73941e9e2be3SAdheer Chandravanshi exit_ddb_apply: 73951e9e2be3SAdheer Chandravanshi if (fw_ddb_entry) 73961e9e2be3SAdheer Chandravanshi dma_free_coherent(&ha->pdev->dev, sizeof(*fw_ddb_entry), 73971e9e2be3SAdheer Chandravanshi fw_ddb_entry, fw_ddb_entry_dma); 73981e9e2be3SAdheer Chandravanshi return rval; 73991e9e2be3SAdheer Chandravanshi } 74001e9e2be3SAdheer Chandravanshi 74011e9e2be3SAdheer Chandravanshi static ssize_t qla4xxx_sysfs_ddb_conn_open(struct scsi_qla_host *ha, 74021e9e2be3SAdheer Chandravanshi struct dev_db_entry *fw_ddb_entry, 74031e9e2be3SAdheer Chandravanshi uint16_t idx) 74041e9e2be3SAdheer Chandravanshi { 74051e9e2be3SAdheer Chandravanshi struct dev_db_entry *ddb_entry = NULL; 74061e9e2be3SAdheer Chandravanshi dma_addr_t ddb_entry_dma; 74071e9e2be3SAdheer Chandravanshi unsigned long wtime; 74081e9e2be3SAdheer Chandravanshi uint32_t mbx_sts = 0; 74091e9e2be3SAdheer Chandravanshi uint32_t state = 0, conn_err = 0; 74101e9e2be3SAdheer Chandravanshi uint16_t tmo = 0; 74111e9e2be3SAdheer Chandravanshi int ret = 0; 74121e9e2be3SAdheer Chandravanshi 74131e9e2be3SAdheer Chandravanshi ddb_entry = dma_alloc_coherent(&ha->pdev->dev, sizeof(*ddb_entry), 74141e9e2be3SAdheer Chandravanshi &ddb_entry_dma, GFP_KERNEL); 74151e9e2be3SAdheer Chandravanshi if (!ddb_entry) { 74161e9e2be3SAdheer Chandravanshi DEBUG2(ql4_printk(KERN_ERR, ha, 74171e9e2be3SAdheer Chandravanshi "%s: Unable to allocate dma buffer\n", 74181e9e2be3SAdheer Chandravanshi __func__)); 74191e9e2be3SAdheer Chandravanshi return QLA_ERROR; 74201e9e2be3SAdheer Chandravanshi } 74211e9e2be3SAdheer Chandravanshi 74221e9e2be3SAdheer Chandravanshi memcpy(ddb_entry, fw_ddb_entry, sizeof(*ddb_entry)); 74231e9e2be3SAdheer Chandravanshi 74241e9e2be3SAdheer Chandravanshi ret = qla4xxx_set_ddb_entry(ha, idx, ddb_entry_dma, &mbx_sts); 74251e9e2be3SAdheer Chandravanshi if (ret != QLA_SUCCESS) { 74261e9e2be3SAdheer Chandravanshi DEBUG2(ql4_printk(KERN_ERR, ha, 74271e9e2be3SAdheer Chandravanshi "%s: Unable to set ddb entry for index %d\n", 74281e9e2be3SAdheer Chandravanshi __func__, idx)); 74291e9e2be3SAdheer Chandravanshi goto exit_ddb_conn_open; 74301e9e2be3SAdheer Chandravanshi } 74311e9e2be3SAdheer Chandravanshi 74321e9e2be3SAdheer Chandravanshi qla4xxx_conn_open(ha, idx); 74331e9e2be3SAdheer Chandravanshi 74341e9e2be3SAdheer Chandravanshi /* To ensure that sendtargets is done, wait for at least 12 secs */ 74351e9e2be3SAdheer Chandravanshi tmo = ((ha->def_timeout > LOGIN_TOV) && 74361e9e2be3SAdheer Chandravanshi (ha->def_timeout < LOGIN_TOV * 10) ? 74371e9e2be3SAdheer Chandravanshi ha->def_timeout : LOGIN_TOV); 74381e9e2be3SAdheer Chandravanshi 74391e9e2be3SAdheer Chandravanshi DEBUG2(ql4_printk(KERN_INFO, ha, 74401e9e2be3SAdheer Chandravanshi "Default time to wait for login to ddb %d\n", tmo)); 74411e9e2be3SAdheer Chandravanshi 74421e9e2be3SAdheer Chandravanshi wtime = jiffies + (HZ * tmo); 74431e9e2be3SAdheer Chandravanshi do { 74441e9e2be3SAdheer Chandravanshi ret = qla4xxx_get_fwddb_entry(ha, idx, NULL, 0, NULL, 74451e9e2be3SAdheer Chandravanshi NULL, &state, &conn_err, NULL, 74461e9e2be3SAdheer Chandravanshi NULL); 74471e9e2be3SAdheer Chandravanshi if (ret == QLA_ERROR) 74481e9e2be3SAdheer Chandravanshi continue; 74491e9e2be3SAdheer Chandravanshi 74501e9e2be3SAdheer Chandravanshi if (state == DDB_DS_NO_CONNECTION_ACTIVE || 74511e9e2be3SAdheer Chandravanshi state == DDB_DS_SESSION_FAILED) 74521e9e2be3SAdheer Chandravanshi break; 74531e9e2be3SAdheer Chandravanshi 74541e9e2be3SAdheer Chandravanshi schedule_timeout_uninterruptible(HZ / 10); 74551e9e2be3SAdheer Chandravanshi } while (time_after(wtime, jiffies)); 74561e9e2be3SAdheer Chandravanshi 74571e9e2be3SAdheer Chandravanshi exit_ddb_conn_open: 74581e9e2be3SAdheer Chandravanshi if (ddb_entry) 74591e9e2be3SAdheer Chandravanshi dma_free_coherent(&ha->pdev->dev, sizeof(*ddb_entry), 74601e9e2be3SAdheer Chandravanshi ddb_entry, ddb_entry_dma); 74611e9e2be3SAdheer Chandravanshi return ret; 74621e9e2be3SAdheer Chandravanshi } 74631e9e2be3SAdheer Chandravanshi 74641e9e2be3SAdheer Chandravanshi static int qla4xxx_ddb_login_st(struct scsi_qla_host *ha, 7465ad8bd45eSManish Rangankar struct dev_db_entry *fw_ddb_entry, 7466ad8bd45eSManish Rangankar uint16_t target_id) 74671e9e2be3SAdheer Chandravanshi { 74681e9e2be3SAdheer Chandravanshi struct qla_ddb_index *ddb_idx, *ddb_idx_tmp; 74691e9e2be3SAdheer Chandravanshi struct list_head list_nt; 74701e9e2be3SAdheer Chandravanshi uint16_t ddb_index; 74711e9e2be3SAdheer Chandravanshi int ret = 0; 74721e9e2be3SAdheer Chandravanshi 74731e9e2be3SAdheer Chandravanshi if (test_bit(AF_ST_DISCOVERY_IN_PROGRESS, &ha->flags)) { 74741e9e2be3SAdheer Chandravanshi ql4_printk(KERN_WARNING, ha, 74751e9e2be3SAdheer Chandravanshi "%s: A discovery already in progress!\n", __func__); 74761e9e2be3SAdheer Chandravanshi return QLA_ERROR; 74771e9e2be3SAdheer Chandravanshi } 74781e9e2be3SAdheer Chandravanshi 74791e9e2be3SAdheer Chandravanshi INIT_LIST_HEAD(&list_nt); 74801e9e2be3SAdheer Chandravanshi 74811e9e2be3SAdheer Chandravanshi set_bit(AF_ST_DISCOVERY_IN_PROGRESS, &ha->flags); 74821e9e2be3SAdheer Chandravanshi 74831e9e2be3SAdheer Chandravanshi ret = qla4xxx_get_ddb_index(ha, &ddb_index); 74841e9e2be3SAdheer Chandravanshi if (ret == QLA_ERROR) 74851e9e2be3SAdheer Chandravanshi goto exit_login_st_clr_bit; 74861e9e2be3SAdheer Chandravanshi 74871e9e2be3SAdheer Chandravanshi ret = qla4xxx_sysfs_ddb_conn_open(ha, fw_ddb_entry, ddb_index); 74881e9e2be3SAdheer Chandravanshi if (ret == QLA_ERROR) 74891e9e2be3SAdheer Chandravanshi goto exit_login_st; 74901e9e2be3SAdheer Chandravanshi 7491ad8bd45eSManish Rangankar qla4xxx_build_new_nt_list(ha, &list_nt, target_id); 74921e9e2be3SAdheer Chandravanshi 74931e9e2be3SAdheer Chandravanshi list_for_each_entry_safe(ddb_idx, ddb_idx_tmp, &list_nt, list) { 74941e9e2be3SAdheer Chandravanshi list_del_init(&ddb_idx->list); 74951e9e2be3SAdheer Chandravanshi qla4xxx_clear_ddb_entry(ha, ddb_idx->fw_ddb_idx); 74961e9e2be3SAdheer Chandravanshi vfree(ddb_idx); 74971e9e2be3SAdheer Chandravanshi } 74981e9e2be3SAdheer Chandravanshi 74991e9e2be3SAdheer Chandravanshi exit_login_st: 75001e9e2be3SAdheer Chandravanshi if (qla4xxx_clear_ddb_entry(ha, ddb_index) == QLA_ERROR) { 75011e9e2be3SAdheer Chandravanshi ql4_printk(KERN_ERR, ha, 75021e9e2be3SAdheer Chandravanshi "Unable to clear DDB index = 0x%x\n", ddb_index); 75031e9e2be3SAdheer Chandravanshi } 75041e9e2be3SAdheer Chandravanshi 75051e9e2be3SAdheer Chandravanshi clear_bit(ddb_index, ha->ddb_idx_map); 75061e9e2be3SAdheer Chandravanshi 75071e9e2be3SAdheer Chandravanshi exit_login_st_clr_bit: 75081e9e2be3SAdheer Chandravanshi clear_bit(AF_ST_DISCOVERY_IN_PROGRESS, &ha->flags); 75091e9e2be3SAdheer Chandravanshi return ret; 75101e9e2be3SAdheer Chandravanshi } 75111e9e2be3SAdheer Chandravanshi 75121e9e2be3SAdheer Chandravanshi static int qla4xxx_ddb_login_nt(struct scsi_qla_host *ha, 75131e9e2be3SAdheer Chandravanshi struct dev_db_entry *fw_ddb_entry, 75141e9e2be3SAdheer Chandravanshi uint16_t idx) 75151e9e2be3SAdheer Chandravanshi { 75161e9e2be3SAdheer Chandravanshi int ret = QLA_ERROR; 75171e9e2be3SAdheer Chandravanshi 7518ad8bd45eSManish Rangankar ret = qla4xxx_is_session_exists(ha, fw_ddb_entry, NULL); 75191e9e2be3SAdheer Chandravanshi if (ret != QLA_SUCCESS) 75201e9e2be3SAdheer Chandravanshi ret = qla4xxx_sess_conn_setup(ha, fw_ddb_entry, RESET_ADAPTER, 75211e9e2be3SAdheer Chandravanshi idx); 75221e9e2be3SAdheer Chandravanshi else 75231e9e2be3SAdheer Chandravanshi ret = -EPERM; 75241e9e2be3SAdheer Chandravanshi 75251e9e2be3SAdheer Chandravanshi return ret; 75261e9e2be3SAdheer Chandravanshi } 75271e9e2be3SAdheer Chandravanshi 75281e9e2be3SAdheer Chandravanshi /** 75291e9e2be3SAdheer Chandravanshi * qla4xxx_sysfs_ddb_login - Login to the specified target 75301e9e2be3SAdheer Chandravanshi * @fnode_sess: pointer to session attrs of flash ddb entry 75311e9e2be3SAdheer Chandravanshi * @fnode_conn: pointer to connection attrs of flash ddb entry 75321e9e2be3SAdheer Chandravanshi * 75331e9e2be3SAdheer Chandravanshi * This logs in to the specified target 75341e9e2be3SAdheer Chandravanshi **/ 75351e9e2be3SAdheer Chandravanshi static int qla4xxx_sysfs_ddb_login(struct iscsi_bus_flash_session *fnode_sess, 75361e9e2be3SAdheer Chandravanshi struct iscsi_bus_flash_conn *fnode_conn) 75371e9e2be3SAdheer Chandravanshi { 75381e9e2be3SAdheer Chandravanshi struct Scsi_Host *shost = iscsi_flash_session_to_shost(fnode_sess); 75391e9e2be3SAdheer Chandravanshi struct scsi_qla_host *ha = to_qla_host(shost); 75401e9e2be3SAdheer Chandravanshi struct dev_db_entry *fw_ddb_entry = NULL; 75411e9e2be3SAdheer Chandravanshi dma_addr_t fw_ddb_entry_dma; 75421e9e2be3SAdheer Chandravanshi uint32_t options = 0; 75431e9e2be3SAdheer Chandravanshi int ret = 0; 75441e9e2be3SAdheer Chandravanshi 75451e9e2be3SAdheer Chandravanshi if (fnode_sess->flash_state == DEV_DB_NON_PERSISTENT) { 75461e9e2be3SAdheer Chandravanshi ql4_printk(KERN_ERR, ha, 75471e9e2be3SAdheer Chandravanshi "%s: Target info is not persistent\n", __func__); 75481e9e2be3SAdheer Chandravanshi ret = -EIO; 75491e9e2be3SAdheer Chandravanshi goto exit_ddb_login; 75501e9e2be3SAdheer Chandravanshi } 75511e9e2be3SAdheer Chandravanshi 75521e9e2be3SAdheer Chandravanshi fw_ddb_entry = dma_alloc_coherent(&ha->pdev->dev, sizeof(*fw_ddb_entry), 75531e9e2be3SAdheer Chandravanshi &fw_ddb_entry_dma, GFP_KERNEL); 75541e9e2be3SAdheer Chandravanshi if (!fw_ddb_entry) { 75551e9e2be3SAdheer Chandravanshi DEBUG2(ql4_printk(KERN_ERR, ha, 75561e9e2be3SAdheer Chandravanshi "%s: Unable to allocate dma buffer\n", 75571e9e2be3SAdheer Chandravanshi __func__)); 75581e9e2be3SAdheer Chandravanshi ret = -ENOMEM; 75591e9e2be3SAdheer Chandravanshi goto exit_ddb_login; 75601e9e2be3SAdheer Chandravanshi } 75611e9e2be3SAdheer Chandravanshi 7562c962c18bSAdheer Chandravanshi if (!strncasecmp(fnode_sess->portal_type, PORTAL_TYPE_IPV6, 4)) 75631e9e2be3SAdheer Chandravanshi options |= IPV6_DEFAULT_DDB_ENTRY; 75641e9e2be3SAdheer Chandravanshi 75651e9e2be3SAdheer Chandravanshi ret = qla4xxx_get_default_ddb(ha, options, fw_ddb_entry_dma); 75661e9e2be3SAdheer Chandravanshi if (ret == QLA_ERROR) 75671e9e2be3SAdheer Chandravanshi goto exit_ddb_login; 75681e9e2be3SAdheer Chandravanshi 75691e9e2be3SAdheer Chandravanshi qla4xxx_copy_to_fwddb_param(fnode_sess, fnode_conn, fw_ddb_entry); 75701e9e2be3SAdheer Chandravanshi fw_ddb_entry->cookie = DDB_VALID_COOKIE; 75711e9e2be3SAdheer Chandravanshi 75721e9e2be3SAdheer Chandravanshi if (strlen((char *)fw_ddb_entry->iscsi_name) == 0) 7573ad8bd45eSManish Rangankar ret = qla4xxx_ddb_login_st(ha, fw_ddb_entry, 7574ad8bd45eSManish Rangankar fnode_sess->target_id); 75751e9e2be3SAdheer Chandravanshi else 75761e9e2be3SAdheer Chandravanshi ret = qla4xxx_ddb_login_nt(ha, fw_ddb_entry, 75771e9e2be3SAdheer Chandravanshi fnode_sess->target_id); 75781e9e2be3SAdheer Chandravanshi 75791e9e2be3SAdheer Chandravanshi if (ret > 0) 75801e9e2be3SAdheer Chandravanshi ret = -EIO; 75811e9e2be3SAdheer Chandravanshi 75821e9e2be3SAdheer Chandravanshi exit_ddb_login: 75831e9e2be3SAdheer Chandravanshi if (fw_ddb_entry) 75841e9e2be3SAdheer Chandravanshi dma_free_coherent(&ha->pdev->dev, sizeof(*fw_ddb_entry), 75851e9e2be3SAdheer Chandravanshi fw_ddb_entry, fw_ddb_entry_dma); 75861e9e2be3SAdheer Chandravanshi return ret; 75871e9e2be3SAdheer Chandravanshi } 75881e9e2be3SAdheer Chandravanshi 75891e9e2be3SAdheer Chandravanshi /** 75901e9e2be3SAdheer Chandravanshi * qla4xxx_sysfs_ddb_logout_sid - Logout session for the specified target 75911e9e2be3SAdheer Chandravanshi * @cls_sess: pointer to session to be logged out 75921e9e2be3SAdheer Chandravanshi * 75931e9e2be3SAdheer Chandravanshi * This performs session log out from the specified target 75941e9e2be3SAdheer Chandravanshi **/ 75951e9e2be3SAdheer Chandravanshi static int qla4xxx_sysfs_ddb_logout_sid(struct iscsi_cls_session *cls_sess) 75961e9e2be3SAdheer Chandravanshi { 75971e9e2be3SAdheer Chandravanshi struct iscsi_session *sess; 75981e9e2be3SAdheer Chandravanshi struct ddb_entry *ddb_entry = NULL; 75991e9e2be3SAdheer Chandravanshi struct scsi_qla_host *ha; 76001e9e2be3SAdheer Chandravanshi struct dev_db_entry *fw_ddb_entry = NULL; 76011e9e2be3SAdheer Chandravanshi dma_addr_t fw_ddb_entry_dma; 76021e9e2be3SAdheer Chandravanshi unsigned long flags; 76031e9e2be3SAdheer Chandravanshi unsigned long wtime; 76041e9e2be3SAdheer Chandravanshi uint32_t ddb_state; 76051e9e2be3SAdheer Chandravanshi int options; 76061e9e2be3SAdheer Chandravanshi int ret = 0; 76071e9e2be3SAdheer Chandravanshi 76081e9e2be3SAdheer Chandravanshi sess = cls_sess->dd_data; 76091e9e2be3SAdheer Chandravanshi ddb_entry = sess->dd_data; 76101e9e2be3SAdheer Chandravanshi ha = ddb_entry->ha; 76111e9e2be3SAdheer Chandravanshi 76121e9e2be3SAdheer Chandravanshi if (ddb_entry->ddb_type != FLASH_DDB) { 76131e9e2be3SAdheer Chandravanshi ql4_printk(KERN_ERR, ha, "%s: Not a flash node session\n", 76141e9e2be3SAdheer Chandravanshi __func__); 76151e9e2be3SAdheer Chandravanshi ret = -ENXIO; 76161e9e2be3SAdheer Chandravanshi goto exit_ddb_logout; 76171e9e2be3SAdheer Chandravanshi } 76181e9e2be3SAdheer Chandravanshi 761937719c2aSAdheer Chandravanshi if (test_bit(DF_BOOT_TGT, &ddb_entry->flags)) { 762037719c2aSAdheer Chandravanshi ql4_printk(KERN_ERR, ha, 762137719c2aSAdheer Chandravanshi "%s: Logout from boot target entry is not permitted.\n", 762237719c2aSAdheer Chandravanshi __func__); 762337719c2aSAdheer Chandravanshi ret = -EPERM; 762437719c2aSAdheer Chandravanshi goto exit_ddb_logout; 762537719c2aSAdheer Chandravanshi } 762637719c2aSAdheer Chandravanshi 76271e9e2be3SAdheer Chandravanshi fw_ddb_entry = dma_alloc_coherent(&ha->pdev->dev, sizeof(*fw_ddb_entry), 76281e9e2be3SAdheer Chandravanshi &fw_ddb_entry_dma, GFP_KERNEL); 76291e9e2be3SAdheer Chandravanshi if (!fw_ddb_entry) { 76301e9e2be3SAdheer Chandravanshi ql4_printk(KERN_ERR, ha, 76311e9e2be3SAdheer Chandravanshi "%s: Unable to allocate dma buffer\n", __func__); 76321e9e2be3SAdheer Chandravanshi ret = -ENOMEM; 76331e9e2be3SAdheer Chandravanshi goto exit_ddb_logout; 76341e9e2be3SAdheer Chandravanshi } 76351e9e2be3SAdheer Chandravanshi 763699c6a33bSAdheer Chandravanshi if (test_and_set_bit(DF_DISABLE_RELOGIN, &ddb_entry->flags)) 763799c6a33bSAdheer Chandravanshi goto ddb_logout_init; 763899c6a33bSAdheer Chandravanshi 763999c6a33bSAdheer Chandravanshi ret = qla4xxx_get_fwddb_entry(ha, ddb_entry->fw_ddb_index, 764099c6a33bSAdheer Chandravanshi fw_ddb_entry, fw_ddb_entry_dma, 764199c6a33bSAdheer Chandravanshi NULL, NULL, &ddb_state, NULL, 764299c6a33bSAdheer Chandravanshi NULL, NULL); 764399c6a33bSAdheer Chandravanshi if (ret == QLA_ERROR) 764499c6a33bSAdheer Chandravanshi goto ddb_logout_init; 764599c6a33bSAdheer Chandravanshi 764699c6a33bSAdheer Chandravanshi if (ddb_state == DDB_DS_SESSION_ACTIVE) 764799c6a33bSAdheer Chandravanshi goto ddb_logout_init; 764899c6a33bSAdheer Chandravanshi 764999c6a33bSAdheer Chandravanshi /* wait until next relogin is triggered using DF_RELOGIN and 765099c6a33bSAdheer Chandravanshi * clear DF_RELOGIN to avoid invocation of further relogin 765199c6a33bSAdheer Chandravanshi */ 765299c6a33bSAdheer Chandravanshi wtime = jiffies + (HZ * RELOGIN_TOV); 765399c6a33bSAdheer Chandravanshi do { 765499c6a33bSAdheer Chandravanshi if (test_and_clear_bit(DF_RELOGIN, &ddb_entry->flags)) 765599c6a33bSAdheer Chandravanshi goto ddb_logout_init; 765699c6a33bSAdheer Chandravanshi 765799c6a33bSAdheer Chandravanshi schedule_timeout_uninterruptible(HZ); 765899c6a33bSAdheer Chandravanshi } while ((time_after(wtime, jiffies))); 765999c6a33bSAdheer Chandravanshi 766099c6a33bSAdheer Chandravanshi ddb_logout_init: 766199c6a33bSAdheer Chandravanshi atomic_set(&ddb_entry->retry_relogin_timer, INVALID_ENTRY); 766299c6a33bSAdheer Chandravanshi atomic_set(&ddb_entry->relogin_timer, 0); 766399c6a33bSAdheer Chandravanshi 766499c6a33bSAdheer Chandravanshi options = LOGOUT_OPTION_CLOSE_SESSION; 766599c6a33bSAdheer Chandravanshi qla4xxx_session_logout_ddb(ha, ddb_entry, options); 766699c6a33bSAdheer Chandravanshi 766799c6a33bSAdheer Chandravanshi memset(fw_ddb_entry, 0, sizeof(*fw_ddb_entry)); 76681e9e2be3SAdheer Chandravanshi wtime = jiffies + (HZ * LOGOUT_TOV); 76691e9e2be3SAdheer Chandravanshi do { 76701e9e2be3SAdheer Chandravanshi ret = qla4xxx_get_fwddb_entry(ha, ddb_entry->fw_ddb_index, 76711e9e2be3SAdheer Chandravanshi fw_ddb_entry, fw_ddb_entry_dma, 76721e9e2be3SAdheer Chandravanshi NULL, NULL, &ddb_state, NULL, 76731e9e2be3SAdheer Chandravanshi NULL, NULL); 76741e9e2be3SAdheer Chandravanshi if (ret == QLA_ERROR) 76751e9e2be3SAdheer Chandravanshi goto ddb_logout_clr_sess; 76761e9e2be3SAdheer Chandravanshi 76771e9e2be3SAdheer Chandravanshi if ((ddb_state == DDB_DS_NO_CONNECTION_ACTIVE) || 76781e9e2be3SAdheer Chandravanshi (ddb_state == DDB_DS_SESSION_FAILED)) 76791e9e2be3SAdheer Chandravanshi goto ddb_logout_clr_sess; 76801e9e2be3SAdheer Chandravanshi 76811e9e2be3SAdheer Chandravanshi schedule_timeout_uninterruptible(HZ); 76821e9e2be3SAdheer Chandravanshi } while ((time_after(wtime, jiffies))); 76831e9e2be3SAdheer Chandravanshi 76841e9e2be3SAdheer Chandravanshi ddb_logout_clr_sess: 76851e9e2be3SAdheer Chandravanshi qla4xxx_clear_ddb_entry(ha, ddb_entry->fw_ddb_index); 76861e9e2be3SAdheer Chandravanshi /* 76871e9e2be3SAdheer Chandravanshi * we have decremented the reference count of the driver 76881e9e2be3SAdheer Chandravanshi * when we setup the session to have the driver unload 76891e9e2be3SAdheer Chandravanshi * to be seamless without actually destroying the 76901e9e2be3SAdheer Chandravanshi * session 76911e9e2be3SAdheer Chandravanshi **/ 76921e9e2be3SAdheer Chandravanshi try_module_get(qla4xxx_iscsi_transport.owner); 76931e9e2be3SAdheer Chandravanshi iscsi_destroy_endpoint(ddb_entry->conn->ep); 76941e9e2be3SAdheer Chandravanshi 76951e9e2be3SAdheer Chandravanshi spin_lock_irqsave(&ha->hardware_lock, flags); 76961e9e2be3SAdheer Chandravanshi qla4xxx_free_ddb(ha, ddb_entry); 769799c6a33bSAdheer Chandravanshi clear_bit(ddb_entry->fw_ddb_index, ha->ddb_idx_map); 76981e9e2be3SAdheer Chandravanshi spin_unlock_irqrestore(&ha->hardware_lock, flags); 76991e9e2be3SAdheer Chandravanshi 77001e9e2be3SAdheer Chandravanshi iscsi_session_teardown(ddb_entry->sess); 77011e9e2be3SAdheer Chandravanshi 770299c6a33bSAdheer Chandravanshi clear_bit(DF_DISABLE_RELOGIN, &ddb_entry->flags); 77031e9e2be3SAdheer Chandravanshi ret = QLA_SUCCESS; 77041e9e2be3SAdheer Chandravanshi 77051e9e2be3SAdheer Chandravanshi exit_ddb_logout: 77061e9e2be3SAdheer Chandravanshi if (fw_ddb_entry) 77071e9e2be3SAdheer Chandravanshi dma_free_coherent(&ha->pdev->dev, sizeof(*fw_ddb_entry), 77081e9e2be3SAdheer Chandravanshi fw_ddb_entry, fw_ddb_entry_dma); 77091e9e2be3SAdheer Chandravanshi return ret; 77101e9e2be3SAdheer Chandravanshi } 77111e9e2be3SAdheer Chandravanshi 77121e9e2be3SAdheer Chandravanshi /** 77131e9e2be3SAdheer Chandravanshi * qla4xxx_sysfs_ddb_logout - Logout from the specified target 77141e9e2be3SAdheer Chandravanshi * @fnode_sess: pointer to session attrs of flash ddb entry 77151e9e2be3SAdheer Chandravanshi * @fnode_conn: pointer to connection attrs of flash ddb entry 77161e9e2be3SAdheer Chandravanshi * 77171e9e2be3SAdheer Chandravanshi * This performs log out from the specified target 77181e9e2be3SAdheer Chandravanshi **/ 77191e9e2be3SAdheer Chandravanshi static int qla4xxx_sysfs_ddb_logout(struct iscsi_bus_flash_session *fnode_sess, 77201e9e2be3SAdheer Chandravanshi struct iscsi_bus_flash_conn *fnode_conn) 77211e9e2be3SAdheer Chandravanshi { 77221e9e2be3SAdheer Chandravanshi struct Scsi_Host *shost = iscsi_flash_session_to_shost(fnode_sess); 77231e9e2be3SAdheer Chandravanshi struct scsi_qla_host *ha = to_qla_host(shost); 77241e9e2be3SAdheer Chandravanshi struct ql4_tuple_ddb *flash_tddb = NULL; 77251e9e2be3SAdheer Chandravanshi struct ql4_tuple_ddb *tmp_tddb = NULL; 77261e9e2be3SAdheer Chandravanshi struct dev_db_entry *fw_ddb_entry = NULL; 77271e9e2be3SAdheer Chandravanshi struct ddb_entry *ddb_entry = NULL; 77281e9e2be3SAdheer Chandravanshi dma_addr_t fw_ddb_dma; 77291e9e2be3SAdheer Chandravanshi uint32_t next_idx = 0; 77301e9e2be3SAdheer Chandravanshi uint32_t state = 0, conn_err = 0; 77311e9e2be3SAdheer Chandravanshi uint16_t conn_id = 0; 77321e9e2be3SAdheer Chandravanshi int idx, index; 77331e9e2be3SAdheer Chandravanshi int status, ret = 0; 77341e9e2be3SAdheer Chandravanshi 77351e9e2be3SAdheer Chandravanshi fw_ddb_entry = dma_pool_alloc(ha->fw_ddb_dma_pool, GFP_KERNEL, 77361e9e2be3SAdheer Chandravanshi &fw_ddb_dma); 77371e9e2be3SAdheer Chandravanshi if (fw_ddb_entry == NULL) { 77381e9e2be3SAdheer Chandravanshi ql4_printk(KERN_ERR, ha, "%s:Out of memory\n", __func__); 77391e9e2be3SAdheer Chandravanshi ret = -ENOMEM; 77401e9e2be3SAdheer Chandravanshi goto exit_ddb_logout; 77411e9e2be3SAdheer Chandravanshi } 77421e9e2be3SAdheer Chandravanshi 77431e9e2be3SAdheer Chandravanshi flash_tddb = vzalloc(sizeof(*flash_tddb)); 77441e9e2be3SAdheer Chandravanshi if (!flash_tddb) { 77451e9e2be3SAdheer Chandravanshi ql4_printk(KERN_WARNING, ha, 77461e9e2be3SAdheer Chandravanshi "%s:Memory Allocation failed.\n", __func__); 77471e9e2be3SAdheer Chandravanshi ret = -ENOMEM; 77481e9e2be3SAdheer Chandravanshi goto exit_ddb_logout; 77491e9e2be3SAdheer Chandravanshi } 77501e9e2be3SAdheer Chandravanshi 77511e9e2be3SAdheer Chandravanshi tmp_tddb = vzalloc(sizeof(*tmp_tddb)); 77521e9e2be3SAdheer Chandravanshi if (!tmp_tddb) { 77531e9e2be3SAdheer Chandravanshi ql4_printk(KERN_WARNING, ha, 77541e9e2be3SAdheer Chandravanshi "%s:Memory Allocation failed.\n", __func__); 77551e9e2be3SAdheer Chandravanshi ret = -ENOMEM; 77561e9e2be3SAdheer Chandravanshi goto exit_ddb_logout; 77571e9e2be3SAdheer Chandravanshi } 77581e9e2be3SAdheer Chandravanshi 77591e9e2be3SAdheer Chandravanshi if (!fnode_sess->targetname) { 77601e9e2be3SAdheer Chandravanshi ql4_printk(KERN_ERR, ha, 77611e9e2be3SAdheer Chandravanshi "%s:Cannot logout from SendTarget entry\n", 77621e9e2be3SAdheer Chandravanshi __func__); 77631e9e2be3SAdheer Chandravanshi ret = -EPERM; 77641e9e2be3SAdheer Chandravanshi goto exit_ddb_logout; 77651e9e2be3SAdheer Chandravanshi } 77661e9e2be3SAdheer Chandravanshi 77671e9e2be3SAdheer Chandravanshi if (fnode_sess->is_boot_target) { 77681e9e2be3SAdheer Chandravanshi ql4_printk(KERN_ERR, ha, 77691e9e2be3SAdheer Chandravanshi "%s: Logout from boot target entry is not permitted.\n", 77701e9e2be3SAdheer Chandravanshi __func__); 77711e9e2be3SAdheer Chandravanshi ret = -EPERM; 77721e9e2be3SAdheer Chandravanshi goto exit_ddb_logout; 77731e9e2be3SAdheer Chandravanshi } 77741e9e2be3SAdheer Chandravanshi 7775bdbb9662SRickard Strandqvist strlcpy(flash_tddb->iscsi_name, fnode_sess->targetname, 77761e9e2be3SAdheer Chandravanshi ISCSI_NAME_SIZE); 77771e9e2be3SAdheer Chandravanshi 7778c962c18bSAdheer Chandravanshi if (!strncmp(fnode_sess->portal_type, PORTAL_TYPE_IPV6, 4)) 77791e9e2be3SAdheer Chandravanshi sprintf(flash_tddb->ip_addr, "%pI6", fnode_conn->ipaddress); 77801e9e2be3SAdheer Chandravanshi else 77811e9e2be3SAdheer Chandravanshi sprintf(flash_tddb->ip_addr, "%pI4", fnode_conn->ipaddress); 77821e9e2be3SAdheer Chandravanshi 77831e9e2be3SAdheer Chandravanshi flash_tddb->tpgt = fnode_sess->tpgt; 77841e9e2be3SAdheer Chandravanshi flash_tddb->port = fnode_conn->port; 77851e9e2be3SAdheer Chandravanshi 77861e9e2be3SAdheer Chandravanshi COPY_ISID(flash_tddb->isid, fnode_sess->isid); 77871e9e2be3SAdheer Chandravanshi 77881e9e2be3SAdheer Chandravanshi for (idx = 0; idx < MAX_DDB_ENTRIES; idx++) { 77891e9e2be3SAdheer Chandravanshi ddb_entry = qla4xxx_lookup_ddb_by_fw_index(ha, idx); 77901e9e2be3SAdheer Chandravanshi if (ddb_entry == NULL) 77911e9e2be3SAdheer Chandravanshi continue; 77921e9e2be3SAdheer Chandravanshi 77931e9e2be3SAdheer Chandravanshi if (ddb_entry->ddb_type != FLASH_DDB) 77941e9e2be3SAdheer Chandravanshi continue; 77951e9e2be3SAdheer Chandravanshi 77961e9e2be3SAdheer Chandravanshi index = ddb_entry->sess->target_id; 77971e9e2be3SAdheer Chandravanshi status = qla4xxx_get_fwddb_entry(ha, index, fw_ddb_entry, 77981e9e2be3SAdheer Chandravanshi fw_ddb_dma, NULL, &next_idx, 77991e9e2be3SAdheer Chandravanshi &state, &conn_err, NULL, 78001e9e2be3SAdheer Chandravanshi &conn_id); 78011e9e2be3SAdheer Chandravanshi if (status == QLA_ERROR) { 78021e9e2be3SAdheer Chandravanshi ret = -ENOMEM; 78031e9e2be3SAdheer Chandravanshi break; 78041e9e2be3SAdheer Chandravanshi } 78051e9e2be3SAdheer Chandravanshi 78061e9e2be3SAdheer Chandravanshi qla4xxx_convert_param_ddb(fw_ddb_entry, tmp_tddb, NULL); 78071e9e2be3SAdheer Chandravanshi 78081e9e2be3SAdheer Chandravanshi status = qla4xxx_compare_tuple_ddb(ha, flash_tddb, tmp_tddb, 78091e9e2be3SAdheer Chandravanshi true); 78101e9e2be3SAdheer Chandravanshi if (status == QLA_SUCCESS) { 78111e9e2be3SAdheer Chandravanshi ret = qla4xxx_sysfs_ddb_logout_sid(ddb_entry->sess); 78121e9e2be3SAdheer Chandravanshi break; 78131e9e2be3SAdheer Chandravanshi } 78141e9e2be3SAdheer Chandravanshi } 78151e9e2be3SAdheer Chandravanshi 78161e9e2be3SAdheer Chandravanshi if (idx == MAX_DDB_ENTRIES) 78171e9e2be3SAdheer Chandravanshi ret = -ESRCH; 78181e9e2be3SAdheer Chandravanshi 78191e9e2be3SAdheer Chandravanshi exit_ddb_logout: 78201e9e2be3SAdheer Chandravanshi if (flash_tddb) 78211e9e2be3SAdheer Chandravanshi vfree(flash_tddb); 78221e9e2be3SAdheer Chandravanshi if (tmp_tddb) 78231e9e2be3SAdheer Chandravanshi vfree(tmp_tddb); 78241e9e2be3SAdheer Chandravanshi if (fw_ddb_entry) 78251e9e2be3SAdheer Chandravanshi dma_pool_free(ha->fw_ddb_dma_pool, fw_ddb_entry, fw_ddb_dma); 78261e9e2be3SAdheer Chandravanshi 78271e9e2be3SAdheer Chandravanshi return ret; 78281e9e2be3SAdheer Chandravanshi } 78291e9e2be3SAdheer Chandravanshi 78301e9e2be3SAdheer Chandravanshi static int 78311e9e2be3SAdheer Chandravanshi qla4xxx_sysfs_ddb_get_param(struct iscsi_bus_flash_session *fnode_sess, 78321e9e2be3SAdheer Chandravanshi int param, char *buf) 78331e9e2be3SAdheer Chandravanshi { 78341e9e2be3SAdheer Chandravanshi struct Scsi_Host *shost = iscsi_flash_session_to_shost(fnode_sess); 78351e9e2be3SAdheer Chandravanshi struct scsi_qla_host *ha = to_qla_host(shost); 78361e9e2be3SAdheer Chandravanshi struct iscsi_bus_flash_conn *fnode_conn; 78371e9e2be3SAdheer Chandravanshi struct ql4_chap_table chap_tbl; 78381e9e2be3SAdheer Chandravanshi struct device *dev; 7839a2f76636SAdheer Chandravanshi int parent_type; 78401e9e2be3SAdheer Chandravanshi int rc = 0; 78411e9e2be3SAdheer Chandravanshi 78428526cb11SMike Christie dev = iscsi_find_flashnode_conn(fnode_sess); 78431e9e2be3SAdheer Chandravanshi if (!dev) 78441e9e2be3SAdheer Chandravanshi return -EIO; 78451e9e2be3SAdheer Chandravanshi 78461e9e2be3SAdheer Chandravanshi fnode_conn = iscsi_dev_to_flash_conn(dev); 78471e9e2be3SAdheer Chandravanshi 78481e9e2be3SAdheer Chandravanshi switch (param) { 78491e9e2be3SAdheer Chandravanshi case ISCSI_FLASHNODE_IS_FW_ASSIGNED_IPV6: 78501e9e2be3SAdheer Chandravanshi rc = sprintf(buf, "%u\n", fnode_conn->is_fw_assigned_ipv6); 78511e9e2be3SAdheer Chandravanshi break; 78521e9e2be3SAdheer Chandravanshi case ISCSI_FLASHNODE_PORTAL_TYPE: 78531e9e2be3SAdheer Chandravanshi rc = sprintf(buf, "%s\n", fnode_sess->portal_type); 78541e9e2be3SAdheer Chandravanshi break; 78551e9e2be3SAdheer Chandravanshi case ISCSI_FLASHNODE_AUTO_SND_TGT_DISABLE: 78561e9e2be3SAdheer Chandravanshi rc = sprintf(buf, "%u\n", fnode_sess->auto_snd_tgt_disable); 78571e9e2be3SAdheer Chandravanshi break; 78581e9e2be3SAdheer Chandravanshi case ISCSI_FLASHNODE_DISCOVERY_SESS: 78591e9e2be3SAdheer Chandravanshi rc = sprintf(buf, "%u\n", fnode_sess->discovery_sess); 78601e9e2be3SAdheer Chandravanshi break; 78611e9e2be3SAdheer Chandravanshi case ISCSI_FLASHNODE_ENTRY_EN: 78621e9e2be3SAdheer Chandravanshi rc = sprintf(buf, "%u\n", fnode_sess->entry_state); 78631e9e2be3SAdheer Chandravanshi break; 78641e9e2be3SAdheer Chandravanshi case ISCSI_FLASHNODE_HDR_DGST_EN: 78651e9e2be3SAdheer Chandravanshi rc = sprintf(buf, "%u\n", fnode_conn->hdrdgst_en); 78661e9e2be3SAdheer Chandravanshi break; 78671e9e2be3SAdheer Chandravanshi case ISCSI_FLASHNODE_DATA_DGST_EN: 78681e9e2be3SAdheer Chandravanshi rc = sprintf(buf, "%u\n", fnode_conn->datadgst_en); 78691e9e2be3SAdheer Chandravanshi break; 78701e9e2be3SAdheer Chandravanshi case ISCSI_FLASHNODE_IMM_DATA_EN: 78711e9e2be3SAdheer Chandravanshi rc = sprintf(buf, "%u\n", fnode_sess->imm_data_en); 78721e9e2be3SAdheer Chandravanshi break; 78731e9e2be3SAdheer Chandravanshi case ISCSI_FLASHNODE_INITIAL_R2T_EN: 78741e9e2be3SAdheer Chandravanshi rc = sprintf(buf, "%u\n", fnode_sess->initial_r2t_en); 78751e9e2be3SAdheer Chandravanshi break; 78761e9e2be3SAdheer Chandravanshi case ISCSI_FLASHNODE_DATASEQ_INORDER: 78771e9e2be3SAdheer Chandravanshi rc = sprintf(buf, "%u\n", fnode_sess->dataseq_inorder_en); 78781e9e2be3SAdheer Chandravanshi break; 78791e9e2be3SAdheer Chandravanshi case ISCSI_FLASHNODE_PDU_INORDER: 78801e9e2be3SAdheer Chandravanshi rc = sprintf(buf, "%u\n", fnode_sess->pdu_inorder_en); 78811e9e2be3SAdheer Chandravanshi break; 78821e9e2be3SAdheer Chandravanshi case ISCSI_FLASHNODE_CHAP_AUTH_EN: 78831e9e2be3SAdheer Chandravanshi rc = sprintf(buf, "%u\n", fnode_sess->chap_auth_en); 78841e9e2be3SAdheer Chandravanshi break; 78851e9e2be3SAdheer Chandravanshi case ISCSI_FLASHNODE_SNACK_REQ_EN: 78861e9e2be3SAdheer Chandravanshi rc = sprintf(buf, "%u\n", fnode_conn->snack_req_en); 78871e9e2be3SAdheer Chandravanshi break; 78881e9e2be3SAdheer Chandravanshi case ISCSI_FLASHNODE_DISCOVERY_LOGOUT_EN: 78891e9e2be3SAdheer Chandravanshi rc = sprintf(buf, "%u\n", fnode_sess->discovery_logout_en); 78901e9e2be3SAdheer Chandravanshi break; 78911e9e2be3SAdheer Chandravanshi case ISCSI_FLASHNODE_BIDI_CHAP_EN: 78921e9e2be3SAdheer Chandravanshi rc = sprintf(buf, "%u\n", fnode_sess->bidi_chap_en); 78931e9e2be3SAdheer Chandravanshi break; 78941e9e2be3SAdheer Chandravanshi case ISCSI_FLASHNODE_DISCOVERY_AUTH_OPTIONAL: 78951e9e2be3SAdheer Chandravanshi rc = sprintf(buf, "%u\n", fnode_sess->discovery_auth_optional); 78961e9e2be3SAdheer Chandravanshi break; 78971e9e2be3SAdheer Chandravanshi case ISCSI_FLASHNODE_ERL: 78981e9e2be3SAdheer Chandravanshi rc = sprintf(buf, "%u\n", fnode_sess->erl); 78991e9e2be3SAdheer Chandravanshi break; 79001e9e2be3SAdheer Chandravanshi case ISCSI_FLASHNODE_TCP_TIMESTAMP_STAT: 79011e9e2be3SAdheer Chandravanshi rc = sprintf(buf, "%u\n", fnode_conn->tcp_timestamp_stat); 79021e9e2be3SAdheer Chandravanshi break; 79031e9e2be3SAdheer Chandravanshi case ISCSI_FLASHNODE_TCP_NAGLE_DISABLE: 79041e9e2be3SAdheer Chandravanshi rc = sprintf(buf, "%u\n", fnode_conn->tcp_nagle_disable); 79051e9e2be3SAdheer Chandravanshi break; 79061e9e2be3SAdheer Chandravanshi case ISCSI_FLASHNODE_TCP_WSF_DISABLE: 79071e9e2be3SAdheer Chandravanshi rc = sprintf(buf, "%u\n", fnode_conn->tcp_wsf_disable); 79081e9e2be3SAdheer Chandravanshi break; 79091e9e2be3SAdheer Chandravanshi case ISCSI_FLASHNODE_TCP_TIMER_SCALE: 79101e9e2be3SAdheer Chandravanshi rc = sprintf(buf, "%u\n", fnode_conn->tcp_timer_scale); 79111e9e2be3SAdheer Chandravanshi break; 79121e9e2be3SAdheer Chandravanshi case ISCSI_FLASHNODE_TCP_TIMESTAMP_EN: 79131e9e2be3SAdheer Chandravanshi rc = sprintf(buf, "%u\n", fnode_conn->tcp_timestamp_en); 79141e9e2be3SAdheer Chandravanshi break; 79151e9e2be3SAdheer Chandravanshi case ISCSI_FLASHNODE_IP_FRAG_DISABLE: 79161e9e2be3SAdheer Chandravanshi rc = sprintf(buf, "%u\n", fnode_conn->fragment_disable); 79171e9e2be3SAdheer Chandravanshi break; 79181e9e2be3SAdheer Chandravanshi case ISCSI_FLASHNODE_MAX_RECV_DLENGTH: 79191e9e2be3SAdheer Chandravanshi rc = sprintf(buf, "%u\n", fnode_conn->max_recv_dlength); 79201e9e2be3SAdheer Chandravanshi break; 79211e9e2be3SAdheer Chandravanshi case ISCSI_FLASHNODE_MAX_XMIT_DLENGTH: 79221e9e2be3SAdheer Chandravanshi rc = sprintf(buf, "%u\n", fnode_conn->max_xmit_dlength); 79231e9e2be3SAdheer Chandravanshi break; 79241e9e2be3SAdheer Chandravanshi case ISCSI_FLASHNODE_FIRST_BURST: 79251e9e2be3SAdheer Chandravanshi rc = sprintf(buf, "%u\n", fnode_sess->first_burst); 79261e9e2be3SAdheer Chandravanshi break; 79271e9e2be3SAdheer Chandravanshi case ISCSI_FLASHNODE_DEF_TIME2WAIT: 79281e9e2be3SAdheer Chandravanshi rc = sprintf(buf, "%u\n", fnode_sess->time2wait); 79291e9e2be3SAdheer Chandravanshi break; 79301e9e2be3SAdheer Chandravanshi case ISCSI_FLASHNODE_DEF_TIME2RETAIN: 79311e9e2be3SAdheer Chandravanshi rc = sprintf(buf, "%u\n", fnode_sess->time2retain); 79321e9e2be3SAdheer Chandravanshi break; 79331e9e2be3SAdheer Chandravanshi case ISCSI_FLASHNODE_MAX_R2T: 79341e9e2be3SAdheer Chandravanshi rc = sprintf(buf, "%u\n", fnode_sess->max_r2t); 79351e9e2be3SAdheer Chandravanshi break; 79361e9e2be3SAdheer Chandravanshi case ISCSI_FLASHNODE_KEEPALIVE_TMO: 79371e9e2be3SAdheer Chandravanshi rc = sprintf(buf, "%u\n", fnode_conn->keepalive_timeout); 79381e9e2be3SAdheer Chandravanshi break; 79391e9e2be3SAdheer Chandravanshi case ISCSI_FLASHNODE_ISID: 7940d1d81bd0SOleksandr Khoshaba rc = sprintf(buf, "%pm\n", fnode_sess->isid); 79411e9e2be3SAdheer Chandravanshi break; 79421e9e2be3SAdheer Chandravanshi case ISCSI_FLASHNODE_TSID: 79431e9e2be3SAdheer Chandravanshi rc = sprintf(buf, "%u\n", fnode_sess->tsid); 79441e9e2be3SAdheer Chandravanshi break; 79451e9e2be3SAdheer Chandravanshi case ISCSI_FLASHNODE_PORT: 79461e9e2be3SAdheer Chandravanshi rc = sprintf(buf, "%d\n", fnode_conn->port); 79471e9e2be3SAdheer Chandravanshi break; 79481e9e2be3SAdheer Chandravanshi case ISCSI_FLASHNODE_MAX_BURST: 79491e9e2be3SAdheer Chandravanshi rc = sprintf(buf, "%u\n", fnode_sess->max_burst); 79501e9e2be3SAdheer Chandravanshi break; 79511e9e2be3SAdheer Chandravanshi case ISCSI_FLASHNODE_DEF_TASKMGMT_TMO: 79521e9e2be3SAdheer Chandravanshi rc = sprintf(buf, "%u\n", 79531e9e2be3SAdheer Chandravanshi fnode_sess->default_taskmgmt_timeout); 79541e9e2be3SAdheer Chandravanshi break; 79551e9e2be3SAdheer Chandravanshi case ISCSI_FLASHNODE_IPADDR: 7956c962c18bSAdheer Chandravanshi if (!strncmp(fnode_sess->portal_type, PORTAL_TYPE_IPV6, 4)) 79571e9e2be3SAdheer Chandravanshi rc = sprintf(buf, "%pI6\n", fnode_conn->ipaddress); 79581e9e2be3SAdheer Chandravanshi else 79591e9e2be3SAdheer Chandravanshi rc = sprintf(buf, "%pI4\n", fnode_conn->ipaddress); 79601e9e2be3SAdheer Chandravanshi break; 79611e9e2be3SAdheer Chandravanshi case ISCSI_FLASHNODE_ALIAS: 79621e9e2be3SAdheer Chandravanshi if (fnode_sess->targetalias) 79631e9e2be3SAdheer Chandravanshi rc = sprintf(buf, "%s\n", fnode_sess->targetalias); 79641e9e2be3SAdheer Chandravanshi else 79651e9e2be3SAdheer Chandravanshi rc = sprintf(buf, "\n"); 79661e9e2be3SAdheer Chandravanshi break; 79671e9e2be3SAdheer Chandravanshi case ISCSI_FLASHNODE_REDIRECT_IPADDR: 7968c962c18bSAdheer Chandravanshi if (!strncmp(fnode_sess->portal_type, PORTAL_TYPE_IPV6, 4)) 79691e9e2be3SAdheer Chandravanshi rc = sprintf(buf, "%pI6\n", 79701e9e2be3SAdheer Chandravanshi fnode_conn->redirect_ipaddr); 79711e9e2be3SAdheer Chandravanshi else 79721e9e2be3SAdheer Chandravanshi rc = sprintf(buf, "%pI4\n", 79731e9e2be3SAdheer Chandravanshi fnode_conn->redirect_ipaddr); 79741e9e2be3SAdheer Chandravanshi break; 79751e9e2be3SAdheer Chandravanshi case ISCSI_FLASHNODE_MAX_SEGMENT_SIZE: 79761e9e2be3SAdheer Chandravanshi rc = sprintf(buf, "%u\n", fnode_conn->max_segment_size); 79771e9e2be3SAdheer Chandravanshi break; 79781e9e2be3SAdheer Chandravanshi case ISCSI_FLASHNODE_LOCAL_PORT: 79791e9e2be3SAdheer Chandravanshi rc = sprintf(buf, "%u\n", fnode_conn->local_port); 79801e9e2be3SAdheer Chandravanshi break; 79811e9e2be3SAdheer Chandravanshi case ISCSI_FLASHNODE_IPV4_TOS: 79821e9e2be3SAdheer Chandravanshi rc = sprintf(buf, "%u\n", fnode_conn->ipv4_tos); 79831e9e2be3SAdheer Chandravanshi break; 79841e9e2be3SAdheer Chandravanshi case ISCSI_FLASHNODE_IPV6_TC: 7985c962c18bSAdheer Chandravanshi if (!strncmp(fnode_sess->portal_type, PORTAL_TYPE_IPV6, 4)) 79861e9e2be3SAdheer Chandravanshi rc = sprintf(buf, "%u\n", 79871e9e2be3SAdheer Chandravanshi fnode_conn->ipv6_traffic_class); 79881e9e2be3SAdheer Chandravanshi else 79891e9e2be3SAdheer Chandravanshi rc = sprintf(buf, "\n"); 79901e9e2be3SAdheer Chandravanshi break; 79911e9e2be3SAdheer Chandravanshi case ISCSI_FLASHNODE_IPV6_FLOW_LABEL: 79921e9e2be3SAdheer Chandravanshi rc = sprintf(buf, "%u\n", fnode_conn->ipv6_flow_label); 79931e9e2be3SAdheer Chandravanshi break; 79941e9e2be3SAdheer Chandravanshi case ISCSI_FLASHNODE_LINK_LOCAL_IPV6: 7995c962c18bSAdheer Chandravanshi if (!strncmp(fnode_sess->portal_type, PORTAL_TYPE_IPV6, 4)) 79961e9e2be3SAdheer Chandravanshi rc = sprintf(buf, "%pI6\n", 79971e9e2be3SAdheer Chandravanshi fnode_conn->link_local_ipv6_addr); 79981e9e2be3SAdheer Chandravanshi else 79991e9e2be3SAdheer Chandravanshi rc = sprintf(buf, "\n"); 80001e9e2be3SAdheer Chandravanshi break; 80011e9e2be3SAdheer Chandravanshi case ISCSI_FLASHNODE_DISCOVERY_PARENT_IDX: 8002a2f76636SAdheer Chandravanshi rc = sprintf(buf, "%u\n", fnode_sess->discovery_parent_idx); 80031e9e2be3SAdheer Chandravanshi break; 80041e9e2be3SAdheer Chandravanshi case ISCSI_FLASHNODE_DISCOVERY_PARENT_TYPE: 80051e9e2be3SAdheer Chandravanshi if (fnode_sess->discovery_parent_type == DDB_ISNS) 80061e9e2be3SAdheer Chandravanshi parent_type = ISCSI_DISC_PARENT_ISNS; 80071e9e2be3SAdheer Chandravanshi else if (fnode_sess->discovery_parent_type == DDB_NO_LINK) 80081e9e2be3SAdheer Chandravanshi parent_type = ISCSI_DISC_PARENT_UNKNOWN; 8009b6130ceaSVikas Chaudhary else if (fnode_sess->discovery_parent_type < MAX_DDB_ENTRIES) 80101e9e2be3SAdheer Chandravanshi parent_type = ISCSI_DISC_PARENT_SENDTGT; 80111e9e2be3SAdheer Chandravanshi else 80121e9e2be3SAdheer Chandravanshi parent_type = ISCSI_DISC_PARENT_UNKNOWN; 80131e9e2be3SAdheer Chandravanshi 80141e9e2be3SAdheer Chandravanshi rc = sprintf(buf, "%s\n", 80151e9e2be3SAdheer Chandravanshi iscsi_get_discovery_parent_name(parent_type)); 80161e9e2be3SAdheer Chandravanshi break; 80171e9e2be3SAdheer Chandravanshi case ISCSI_FLASHNODE_NAME: 80181e9e2be3SAdheer Chandravanshi if (fnode_sess->targetname) 80191e9e2be3SAdheer Chandravanshi rc = sprintf(buf, "%s\n", fnode_sess->targetname); 80201e9e2be3SAdheer Chandravanshi else 80211e9e2be3SAdheer Chandravanshi rc = sprintf(buf, "\n"); 80221e9e2be3SAdheer Chandravanshi break; 80231e9e2be3SAdheer Chandravanshi case ISCSI_FLASHNODE_TPGT: 80241e9e2be3SAdheer Chandravanshi rc = sprintf(buf, "%u\n", fnode_sess->tpgt); 80251e9e2be3SAdheer Chandravanshi break; 80261e9e2be3SAdheer Chandravanshi case ISCSI_FLASHNODE_TCP_XMIT_WSF: 80271e9e2be3SAdheer Chandravanshi rc = sprintf(buf, "%u\n", fnode_conn->tcp_xmit_wsf); 80281e9e2be3SAdheer Chandravanshi break; 80291e9e2be3SAdheer Chandravanshi case ISCSI_FLASHNODE_TCP_RECV_WSF: 80301e9e2be3SAdheer Chandravanshi rc = sprintf(buf, "%u\n", fnode_conn->tcp_recv_wsf); 80311e9e2be3SAdheer Chandravanshi break; 80321e9e2be3SAdheer Chandravanshi case ISCSI_FLASHNODE_CHAP_OUT_IDX: 80331e9e2be3SAdheer Chandravanshi rc = sprintf(buf, "%u\n", fnode_sess->chap_out_idx); 80341e9e2be3SAdheer Chandravanshi break; 80351e9e2be3SAdheer Chandravanshi case ISCSI_FLASHNODE_USERNAME: 80361e9e2be3SAdheer Chandravanshi if (fnode_sess->chap_auth_en) { 80371e9e2be3SAdheer Chandravanshi qla4xxx_get_uni_chap_at_index(ha, 80381e9e2be3SAdheer Chandravanshi chap_tbl.name, 80391e9e2be3SAdheer Chandravanshi chap_tbl.secret, 80401e9e2be3SAdheer Chandravanshi fnode_sess->chap_out_idx); 80411e9e2be3SAdheer Chandravanshi rc = sprintf(buf, "%s\n", chap_tbl.name); 80421e9e2be3SAdheer Chandravanshi } else { 80431e9e2be3SAdheer Chandravanshi rc = sprintf(buf, "\n"); 80441e9e2be3SAdheer Chandravanshi } 80451e9e2be3SAdheer Chandravanshi break; 80461e9e2be3SAdheer Chandravanshi case ISCSI_FLASHNODE_PASSWORD: 80471e9e2be3SAdheer Chandravanshi if (fnode_sess->chap_auth_en) { 80481e9e2be3SAdheer Chandravanshi qla4xxx_get_uni_chap_at_index(ha, 80491e9e2be3SAdheer Chandravanshi chap_tbl.name, 80501e9e2be3SAdheer Chandravanshi chap_tbl.secret, 80511e9e2be3SAdheer Chandravanshi fnode_sess->chap_out_idx); 80521e9e2be3SAdheer Chandravanshi rc = sprintf(buf, "%s\n", chap_tbl.secret); 80531e9e2be3SAdheer Chandravanshi } else { 80541e9e2be3SAdheer Chandravanshi rc = sprintf(buf, "\n"); 80551e9e2be3SAdheer Chandravanshi } 80561e9e2be3SAdheer Chandravanshi break; 80571e9e2be3SAdheer Chandravanshi case ISCSI_FLASHNODE_STATSN: 80581e9e2be3SAdheer Chandravanshi rc = sprintf(buf, "%u\n", fnode_conn->statsn); 80591e9e2be3SAdheer Chandravanshi break; 80601e9e2be3SAdheer Chandravanshi case ISCSI_FLASHNODE_EXP_STATSN: 80611e9e2be3SAdheer Chandravanshi rc = sprintf(buf, "%u\n", fnode_conn->exp_statsn); 80621e9e2be3SAdheer Chandravanshi break; 80631e9e2be3SAdheer Chandravanshi case ISCSI_FLASHNODE_IS_BOOT_TGT: 80641e9e2be3SAdheer Chandravanshi rc = sprintf(buf, "%u\n", fnode_sess->is_boot_target); 80651e9e2be3SAdheer Chandravanshi break; 80661e9e2be3SAdheer Chandravanshi default: 80671e9e2be3SAdheer Chandravanshi rc = -ENOSYS; 80681e9e2be3SAdheer Chandravanshi break; 80691e9e2be3SAdheer Chandravanshi } 80708526cb11SMike Christie 80718526cb11SMike Christie put_device(dev); 80721e9e2be3SAdheer Chandravanshi return rc; 80731e9e2be3SAdheer Chandravanshi } 80741e9e2be3SAdheer Chandravanshi 80751e9e2be3SAdheer Chandravanshi /** 80761e9e2be3SAdheer Chandravanshi * qla4xxx_sysfs_ddb_set_param - Set parameter for firmware DDB entry 80771e9e2be3SAdheer Chandravanshi * @fnode_sess: pointer to session attrs of flash ddb entry 80781e9e2be3SAdheer Chandravanshi * @fnode_conn: pointer to connection attrs of flash ddb entry 80791e9e2be3SAdheer Chandravanshi * @data: Parameters and their values to update 80801e9e2be3SAdheer Chandravanshi * @len: len of data 80811e9e2be3SAdheer Chandravanshi * 80821e9e2be3SAdheer Chandravanshi * This sets the parameter of flash ddb entry and writes them to flash 80831e9e2be3SAdheer Chandravanshi **/ 80841e9e2be3SAdheer Chandravanshi static int 80851e9e2be3SAdheer Chandravanshi qla4xxx_sysfs_ddb_set_param(struct iscsi_bus_flash_session *fnode_sess, 80861e9e2be3SAdheer Chandravanshi struct iscsi_bus_flash_conn *fnode_conn, 80871e9e2be3SAdheer Chandravanshi void *data, int len) 80881e9e2be3SAdheer Chandravanshi { 80891e9e2be3SAdheer Chandravanshi struct Scsi_Host *shost = iscsi_flash_session_to_shost(fnode_sess); 80901e9e2be3SAdheer Chandravanshi struct scsi_qla_host *ha = to_qla_host(shost); 80911e9e2be3SAdheer Chandravanshi struct iscsi_flashnode_param_info *fnode_param; 8092244c079bSAdheer Chandravanshi struct ql4_chap_table chap_tbl; 80931e9e2be3SAdheer Chandravanshi struct nlattr *attr; 8094244c079bSAdheer Chandravanshi uint16_t chap_out_idx = INVALID_ENTRY; 80951e9e2be3SAdheer Chandravanshi int rc = QLA_ERROR; 80961e9e2be3SAdheer Chandravanshi uint32_t rem = len; 80971e9e2be3SAdheer Chandravanshi 8098244c079bSAdheer Chandravanshi memset((void *)&chap_tbl, 0, sizeof(chap_tbl)); 80991e9e2be3SAdheer Chandravanshi nla_for_each_attr(attr, data, len, rem) { 81001e9e2be3SAdheer Chandravanshi fnode_param = nla_data(attr); 81011e9e2be3SAdheer Chandravanshi 81021e9e2be3SAdheer Chandravanshi switch (fnode_param->param) { 81031e9e2be3SAdheer Chandravanshi case ISCSI_FLASHNODE_IS_FW_ASSIGNED_IPV6: 81041e9e2be3SAdheer Chandravanshi fnode_conn->is_fw_assigned_ipv6 = fnode_param->value[0]; 81051e9e2be3SAdheer Chandravanshi break; 81061e9e2be3SAdheer Chandravanshi case ISCSI_FLASHNODE_PORTAL_TYPE: 81071e9e2be3SAdheer Chandravanshi memcpy(fnode_sess->portal_type, fnode_param->value, 81081e9e2be3SAdheer Chandravanshi strlen(fnode_sess->portal_type)); 81091e9e2be3SAdheer Chandravanshi break; 81101e9e2be3SAdheer Chandravanshi case ISCSI_FLASHNODE_AUTO_SND_TGT_DISABLE: 81111e9e2be3SAdheer Chandravanshi fnode_sess->auto_snd_tgt_disable = 81121e9e2be3SAdheer Chandravanshi fnode_param->value[0]; 81131e9e2be3SAdheer Chandravanshi break; 81141e9e2be3SAdheer Chandravanshi case ISCSI_FLASHNODE_DISCOVERY_SESS: 81151e9e2be3SAdheer Chandravanshi fnode_sess->discovery_sess = fnode_param->value[0]; 81161e9e2be3SAdheer Chandravanshi break; 81171e9e2be3SAdheer Chandravanshi case ISCSI_FLASHNODE_ENTRY_EN: 81181e9e2be3SAdheer Chandravanshi fnode_sess->entry_state = fnode_param->value[0]; 81191e9e2be3SAdheer Chandravanshi break; 81201e9e2be3SAdheer Chandravanshi case ISCSI_FLASHNODE_HDR_DGST_EN: 81211e9e2be3SAdheer Chandravanshi fnode_conn->hdrdgst_en = fnode_param->value[0]; 81221e9e2be3SAdheer Chandravanshi break; 81231e9e2be3SAdheer Chandravanshi case ISCSI_FLASHNODE_DATA_DGST_EN: 81241e9e2be3SAdheer Chandravanshi fnode_conn->datadgst_en = fnode_param->value[0]; 81251e9e2be3SAdheer Chandravanshi break; 81261e9e2be3SAdheer Chandravanshi case ISCSI_FLASHNODE_IMM_DATA_EN: 81271e9e2be3SAdheer Chandravanshi fnode_sess->imm_data_en = fnode_param->value[0]; 81281e9e2be3SAdheer Chandravanshi break; 81291e9e2be3SAdheer Chandravanshi case ISCSI_FLASHNODE_INITIAL_R2T_EN: 81301e9e2be3SAdheer Chandravanshi fnode_sess->initial_r2t_en = fnode_param->value[0]; 81311e9e2be3SAdheer Chandravanshi break; 81321e9e2be3SAdheer Chandravanshi case ISCSI_FLASHNODE_DATASEQ_INORDER: 81331e9e2be3SAdheer Chandravanshi fnode_sess->dataseq_inorder_en = fnode_param->value[0]; 81341e9e2be3SAdheer Chandravanshi break; 81351e9e2be3SAdheer Chandravanshi case ISCSI_FLASHNODE_PDU_INORDER: 81361e9e2be3SAdheer Chandravanshi fnode_sess->pdu_inorder_en = fnode_param->value[0]; 81371e9e2be3SAdheer Chandravanshi break; 81381e9e2be3SAdheer Chandravanshi case ISCSI_FLASHNODE_CHAP_AUTH_EN: 81391e9e2be3SAdheer Chandravanshi fnode_sess->chap_auth_en = fnode_param->value[0]; 8140244c079bSAdheer Chandravanshi /* Invalidate chap index if chap auth is disabled */ 8141244c079bSAdheer Chandravanshi if (!fnode_sess->chap_auth_en) 8142244c079bSAdheer Chandravanshi fnode_sess->chap_out_idx = INVALID_ENTRY; 8143244c079bSAdheer Chandravanshi 81441e9e2be3SAdheer Chandravanshi break; 81451e9e2be3SAdheer Chandravanshi case ISCSI_FLASHNODE_SNACK_REQ_EN: 81461e9e2be3SAdheer Chandravanshi fnode_conn->snack_req_en = fnode_param->value[0]; 81471e9e2be3SAdheer Chandravanshi break; 81481e9e2be3SAdheer Chandravanshi case ISCSI_FLASHNODE_DISCOVERY_LOGOUT_EN: 81491e9e2be3SAdheer Chandravanshi fnode_sess->discovery_logout_en = fnode_param->value[0]; 81501e9e2be3SAdheer Chandravanshi break; 81511e9e2be3SAdheer Chandravanshi case ISCSI_FLASHNODE_BIDI_CHAP_EN: 81521e9e2be3SAdheer Chandravanshi fnode_sess->bidi_chap_en = fnode_param->value[0]; 81531e9e2be3SAdheer Chandravanshi break; 81541e9e2be3SAdheer Chandravanshi case ISCSI_FLASHNODE_DISCOVERY_AUTH_OPTIONAL: 81551e9e2be3SAdheer Chandravanshi fnode_sess->discovery_auth_optional = 81561e9e2be3SAdheer Chandravanshi fnode_param->value[0]; 81571e9e2be3SAdheer Chandravanshi break; 81581e9e2be3SAdheer Chandravanshi case ISCSI_FLASHNODE_ERL: 81591e9e2be3SAdheer Chandravanshi fnode_sess->erl = fnode_param->value[0]; 81601e9e2be3SAdheer Chandravanshi break; 81611e9e2be3SAdheer Chandravanshi case ISCSI_FLASHNODE_TCP_TIMESTAMP_STAT: 81621e9e2be3SAdheer Chandravanshi fnode_conn->tcp_timestamp_stat = fnode_param->value[0]; 81631e9e2be3SAdheer Chandravanshi break; 81641e9e2be3SAdheer Chandravanshi case ISCSI_FLASHNODE_TCP_NAGLE_DISABLE: 81651e9e2be3SAdheer Chandravanshi fnode_conn->tcp_nagle_disable = fnode_param->value[0]; 81661e9e2be3SAdheer Chandravanshi break; 81671e9e2be3SAdheer Chandravanshi case ISCSI_FLASHNODE_TCP_WSF_DISABLE: 81681e9e2be3SAdheer Chandravanshi fnode_conn->tcp_wsf_disable = fnode_param->value[0]; 81691e9e2be3SAdheer Chandravanshi break; 81701e9e2be3SAdheer Chandravanshi case ISCSI_FLASHNODE_TCP_TIMER_SCALE: 81711e9e2be3SAdheer Chandravanshi fnode_conn->tcp_timer_scale = fnode_param->value[0]; 81721e9e2be3SAdheer Chandravanshi break; 81731e9e2be3SAdheer Chandravanshi case ISCSI_FLASHNODE_TCP_TIMESTAMP_EN: 81741e9e2be3SAdheer Chandravanshi fnode_conn->tcp_timestamp_en = fnode_param->value[0]; 81751e9e2be3SAdheer Chandravanshi break; 81761e9e2be3SAdheer Chandravanshi case ISCSI_FLASHNODE_IP_FRAG_DISABLE: 81771e9e2be3SAdheer Chandravanshi fnode_conn->fragment_disable = fnode_param->value[0]; 81781e9e2be3SAdheer Chandravanshi break; 81791e9e2be3SAdheer Chandravanshi case ISCSI_FLASHNODE_MAX_RECV_DLENGTH: 81801e9e2be3SAdheer Chandravanshi fnode_conn->max_recv_dlength = 81811e9e2be3SAdheer Chandravanshi *(unsigned *)fnode_param->value; 81821e9e2be3SAdheer Chandravanshi break; 81831e9e2be3SAdheer Chandravanshi case ISCSI_FLASHNODE_MAX_XMIT_DLENGTH: 81841e9e2be3SAdheer Chandravanshi fnode_conn->max_xmit_dlength = 81851e9e2be3SAdheer Chandravanshi *(unsigned *)fnode_param->value; 81861e9e2be3SAdheer Chandravanshi break; 81871e9e2be3SAdheer Chandravanshi case ISCSI_FLASHNODE_FIRST_BURST: 81881e9e2be3SAdheer Chandravanshi fnode_sess->first_burst = 81891e9e2be3SAdheer Chandravanshi *(unsigned *)fnode_param->value; 81901e9e2be3SAdheer Chandravanshi break; 81911e9e2be3SAdheer Chandravanshi case ISCSI_FLASHNODE_DEF_TIME2WAIT: 81921e9e2be3SAdheer Chandravanshi fnode_sess->time2wait = *(uint16_t *)fnode_param->value; 81931e9e2be3SAdheer Chandravanshi break; 81941e9e2be3SAdheer Chandravanshi case ISCSI_FLASHNODE_DEF_TIME2RETAIN: 81951e9e2be3SAdheer Chandravanshi fnode_sess->time2retain = 81961e9e2be3SAdheer Chandravanshi *(uint16_t *)fnode_param->value; 81971e9e2be3SAdheer Chandravanshi break; 81981e9e2be3SAdheer Chandravanshi case ISCSI_FLASHNODE_MAX_R2T: 81991e9e2be3SAdheer Chandravanshi fnode_sess->max_r2t = 82001e9e2be3SAdheer Chandravanshi *(uint16_t *)fnode_param->value; 82011e9e2be3SAdheer Chandravanshi break; 82021e9e2be3SAdheer Chandravanshi case ISCSI_FLASHNODE_KEEPALIVE_TMO: 82031e9e2be3SAdheer Chandravanshi fnode_conn->keepalive_timeout = 82041e9e2be3SAdheer Chandravanshi *(uint16_t *)fnode_param->value; 82051e9e2be3SAdheer Chandravanshi break; 82061e9e2be3SAdheer Chandravanshi case ISCSI_FLASHNODE_ISID: 82071e9e2be3SAdheer Chandravanshi memcpy(fnode_sess->isid, fnode_param->value, 82081e9e2be3SAdheer Chandravanshi sizeof(fnode_sess->isid)); 82091e9e2be3SAdheer Chandravanshi break; 82101e9e2be3SAdheer Chandravanshi case ISCSI_FLASHNODE_TSID: 82111e9e2be3SAdheer Chandravanshi fnode_sess->tsid = *(uint16_t *)fnode_param->value; 82121e9e2be3SAdheer Chandravanshi break; 82131e9e2be3SAdheer Chandravanshi case ISCSI_FLASHNODE_PORT: 82141e9e2be3SAdheer Chandravanshi fnode_conn->port = *(uint16_t *)fnode_param->value; 82151e9e2be3SAdheer Chandravanshi break; 82161e9e2be3SAdheer Chandravanshi case ISCSI_FLASHNODE_MAX_BURST: 82171e9e2be3SAdheer Chandravanshi fnode_sess->max_burst = *(unsigned *)fnode_param->value; 82181e9e2be3SAdheer Chandravanshi break; 82191e9e2be3SAdheer Chandravanshi case ISCSI_FLASHNODE_DEF_TASKMGMT_TMO: 82201e9e2be3SAdheer Chandravanshi fnode_sess->default_taskmgmt_timeout = 82211e9e2be3SAdheer Chandravanshi *(uint16_t *)fnode_param->value; 82221e9e2be3SAdheer Chandravanshi break; 82231e9e2be3SAdheer Chandravanshi case ISCSI_FLASHNODE_IPADDR: 82241e9e2be3SAdheer Chandravanshi memcpy(fnode_conn->ipaddress, fnode_param->value, 82251e9e2be3SAdheer Chandravanshi IPv6_ADDR_LEN); 82261e9e2be3SAdheer Chandravanshi break; 82271e9e2be3SAdheer Chandravanshi case ISCSI_FLASHNODE_ALIAS: 82281e9e2be3SAdheer Chandravanshi rc = iscsi_switch_str_param(&fnode_sess->targetalias, 82291e9e2be3SAdheer Chandravanshi (char *)fnode_param->value); 82301e9e2be3SAdheer Chandravanshi break; 82311e9e2be3SAdheer Chandravanshi case ISCSI_FLASHNODE_REDIRECT_IPADDR: 82321e9e2be3SAdheer Chandravanshi memcpy(fnode_conn->redirect_ipaddr, fnode_param->value, 82331e9e2be3SAdheer Chandravanshi IPv6_ADDR_LEN); 82341e9e2be3SAdheer Chandravanshi break; 82351e9e2be3SAdheer Chandravanshi case ISCSI_FLASHNODE_MAX_SEGMENT_SIZE: 82361e9e2be3SAdheer Chandravanshi fnode_conn->max_segment_size = 82371e9e2be3SAdheer Chandravanshi *(unsigned *)fnode_param->value; 82381e9e2be3SAdheer Chandravanshi break; 82391e9e2be3SAdheer Chandravanshi case ISCSI_FLASHNODE_LOCAL_PORT: 82401e9e2be3SAdheer Chandravanshi fnode_conn->local_port = 82411e9e2be3SAdheer Chandravanshi *(uint16_t *)fnode_param->value; 82421e9e2be3SAdheer Chandravanshi break; 82431e9e2be3SAdheer Chandravanshi case ISCSI_FLASHNODE_IPV4_TOS: 82441e9e2be3SAdheer Chandravanshi fnode_conn->ipv4_tos = fnode_param->value[0]; 82451e9e2be3SAdheer Chandravanshi break; 82461e9e2be3SAdheer Chandravanshi case ISCSI_FLASHNODE_IPV6_TC: 82471e9e2be3SAdheer Chandravanshi fnode_conn->ipv6_traffic_class = fnode_param->value[0]; 82481e9e2be3SAdheer Chandravanshi break; 82491e9e2be3SAdheer Chandravanshi case ISCSI_FLASHNODE_IPV6_FLOW_LABEL: 82501e9e2be3SAdheer Chandravanshi fnode_conn->ipv6_flow_label = fnode_param->value[0]; 82511e9e2be3SAdheer Chandravanshi break; 82521e9e2be3SAdheer Chandravanshi case ISCSI_FLASHNODE_NAME: 82531e9e2be3SAdheer Chandravanshi rc = iscsi_switch_str_param(&fnode_sess->targetname, 82541e9e2be3SAdheer Chandravanshi (char *)fnode_param->value); 82551e9e2be3SAdheer Chandravanshi break; 82561e9e2be3SAdheer Chandravanshi case ISCSI_FLASHNODE_TPGT: 82571e9e2be3SAdheer Chandravanshi fnode_sess->tpgt = *(uint16_t *)fnode_param->value; 82581e9e2be3SAdheer Chandravanshi break; 82591e9e2be3SAdheer Chandravanshi case ISCSI_FLASHNODE_LINK_LOCAL_IPV6: 82601e9e2be3SAdheer Chandravanshi memcpy(fnode_conn->link_local_ipv6_addr, 82611e9e2be3SAdheer Chandravanshi fnode_param->value, IPv6_ADDR_LEN); 82621e9e2be3SAdheer Chandravanshi break; 826365560166SAdheer Chandravanshi case ISCSI_FLASHNODE_DISCOVERY_PARENT_IDX: 826465560166SAdheer Chandravanshi fnode_sess->discovery_parent_idx = 82651e9e2be3SAdheer Chandravanshi *(uint16_t *)fnode_param->value; 82661e9e2be3SAdheer Chandravanshi break; 82671e9e2be3SAdheer Chandravanshi case ISCSI_FLASHNODE_TCP_XMIT_WSF: 82681e9e2be3SAdheer Chandravanshi fnode_conn->tcp_xmit_wsf = 82691e9e2be3SAdheer Chandravanshi *(uint8_t *)fnode_param->value; 82701e9e2be3SAdheer Chandravanshi break; 82711e9e2be3SAdheer Chandravanshi case ISCSI_FLASHNODE_TCP_RECV_WSF: 82721e9e2be3SAdheer Chandravanshi fnode_conn->tcp_recv_wsf = 82731e9e2be3SAdheer Chandravanshi *(uint8_t *)fnode_param->value; 82741e9e2be3SAdheer Chandravanshi break; 82751e9e2be3SAdheer Chandravanshi case ISCSI_FLASHNODE_STATSN: 82761e9e2be3SAdheer Chandravanshi fnode_conn->statsn = *(uint32_t *)fnode_param->value; 82771e9e2be3SAdheer Chandravanshi break; 82781e9e2be3SAdheer Chandravanshi case ISCSI_FLASHNODE_EXP_STATSN: 82791e9e2be3SAdheer Chandravanshi fnode_conn->exp_statsn = 82801e9e2be3SAdheer Chandravanshi *(uint32_t *)fnode_param->value; 82811e9e2be3SAdheer Chandravanshi break; 8282244c079bSAdheer Chandravanshi case ISCSI_FLASHNODE_CHAP_OUT_IDX: 8283244c079bSAdheer Chandravanshi chap_out_idx = *(uint16_t *)fnode_param->value; 8284244c079bSAdheer Chandravanshi if (!qla4xxx_get_uni_chap_at_index(ha, 8285244c079bSAdheer Chandravanshi chap_tbl.name, 8286244c079bSAdheer Chandravanshi chap_tbl.secret, 8287244c079bSAdheer Chandravanshi chap_out_idx)) { 8288244c079bSAdheer Chandravanshi fnode_sess->chap_out_idx = chap_out_idx; 8289244c079bSAdheer Chandravanshi /* Enable chap auth if chap index is valid */ 8290244c079bSAdheer Chandravanshi fnode_sess->chap_auth_en = QL4_PARAM_ENABLE; 8291244c079bSAdheer Chandravanshi } 8292244c079bSAdheer Chandravanshi break; 82931e9e2be3SAdheer Chandravanshi default: 82941e9e2be3SAdheer Chandravanshi ql4_printk(KERN_ERR, ha, 82951e9e2be3SAdheer Chandravanshi "%s: No such sysfs attribute\n", __func__); 82961e9e2be3SAdheer Chandravanshi rc = -ENOSYS; 82971e9e2be3SAdheer Chandravanshi goto exit_set_param; 82981e9e2be3SAdheer Chandravanshi } 82991e9e2be3SAdheer Chandravanshi } 83001e9e2be3SAdheer Chandravanshi 83011e9e2be3SAdheer Chandravanshi rc = qla4xxx_sysfs_ddb_apply(fnode_sess, fnode_conn); 83021e9e2be3SAdheer Chandravanshi 83031e9e2be3SAdheer Chandravanshi exit_set_param: 83041e9e2be3SAdheer Chandravanshi return rc; 83051e9e2be3SAdheer Chandravanshi } 83061e9e2be3SAdheer Chandravanshi 83071e9e2be3SAdheer Chandravanshi /** 83081e9e2be3SAdheer Chandravanshi * qla4xxx_sysfs_ddb_delete - Delete firmware DDB entry 83091e9e2be3SAdheer Chandravanshi * @fnode_sess: pointer to session attrs of flash ddb entry 83101e9e2be3SAdheer Chandravanshi * 83111e9e2be3SAdheer Chandravanshi * This invalidates the flash ddb entry at the given index 83121e9e2be3SAdheer Chandravanshi **/ 83131e9e2be3SAdheer Chandravanshi static int qla4xxx_sysfs_ddb_delete(struct iscsi_bus_flash_session *fnode_sess) 83141e9e2be3SAdheer Chandravanshi { 83151e9e2be3SAdheer Chandravanshi struct Scsi_Host *shost = iscsi_flash_session_to_shost(fnode_sess); 83161e9e2be3SAdheer Chandravanshi struct scsi_qla_host *ha = to_qla_host(shost); 83171e9e2be3SAdheer Chandravanshi uint32_t dev_db_start_offset; 83181e9e2be3SAdheer Chandravanshi uint32_t dev_db_end_offset; 83191e9e2be3SAdheer Chandravanshi struct dev_db_entry *fw_ddb_entry = NULL; 83201e9e2be3SAdheer Chandravanshi dma_addr_t fw_ddb_entry_dma; 83211e9e2be3SAdheer Chandravanshi uint16_t *ddb_cookie = NULL; 8322b6130ceaSVikas Chaudhary size_t ddb_size = 0; 8323039acc1eSAdheer Chandravanshi void *pddb = NULL; 83241e9e2be3SAdheer Chandravanshi int target_id; 83251e9e2be3SAdheer Chandravanshi int rc = 0; 83261e9e2be3SAdheer Chandravanshi 83271e9e2be3SAdheer Chandravanshi if (fnode_sess->is_boot_target) { 83281e9e2be3SAdheer Chandravanshi rc = -EPERM; 83291e9e2be3SAdheer Chandravanshi DEBUG2(ql4_printk(KERN_ERR, ha, 83301e9e2be3SAdheer Chandravanshi "%s: Deletion of boot target entry is not permitted.\n", 83311e9e2be3SAdheer Chandravanshi __func__)); 83321e9e2be3SAdheer Chandravanshi goto exit_ddb_del; 83331e9e2be3SAdheer Chandravanshi } 83341e9e2be3SAdheer Chandravanshi 83351e9e2be3SAdheer Chandravanshi if (fnode_sess->flash_state == DEV_DB_NON_PERSISTENT) 83361e9e2be3SAdheer Chandravanshi goto sysfs_ddb_del; 83371e9e2be3SAdheer Chandravanshi 83381e9e2be3SAdheer Chandravanshi if (is_qla40XX(ha)) { 83391e9e2be3SAdheer Chandravanshi dev_db_start_offset = FLASH_OFFSET_DB_INFO; 8340039acc1eSAdheer Chandravanshi dev_db_end_offset = FLASH_OFFSET_DB_END; 8341039acc1eSAdheer Chandravanshi dev_db_start_offset += (fnode_sess->target_id * 8342039acc1eSAdheer Chandravanshi sizeof(*fw_ddb_entry)); 8343039acc1eSAdheer Chandravanshi ddb_size = sizeof(*fw_ddb_entry); 83441e9e2be3SAdheer Chandravanshi } else { 83451e9e2be3SAdheer Chandravanshi dev_db_start_offset = FLASH_RAW_ACCESS_ADDR + 83461e9e2be3SAdheer Chandravanshi (ha->hw.flt_region_ddb << 2); 83471e9e2be3SAdheer Chandravanshi /* flt_ddb_size is DDB table size for both ports 83481e9e2be3SAdheer Chandravanshi * so divide it by 2 to calculate the offset for second port 83491e9e2be3SAdheer Chandravanshi */ 83501e9e2be3SAdheer Chandravanshi if (ha->port_num == 1) 83511e9e2be3SAdheer Chandravanshi dev_db_start_offset += (ha->hw.flt_ddb_size / 2); 83521e9e2be3SAdheer Chandravanshi 8353039acc1eSAdheer Chandravanshi dev_db_end_offset = dev_db_start_offset + 8354039acc1eSAdheer Chandravanshi (ha->hw.flt_ddb_size / 2); 8355039acc1eSAdheer Chandravanshi 8356039acc1eSAdheer Chandravanshi dev_db_start_offset += (fnode_sess->target_id * 8357039acc1eSAdheer Chandravanshi sizeof(*fw_ddb_entry)); 83581bcb5619SAdheer Chandravanshi dev_db_start_offset += offsetof(struct dev_db_entry, cookie); 83591e9e2be3SAdheer Chandravanshi 8360039acc1eSAdheer Chandravanshi ddb_size = sizeof(*ddb_cookie); 8361039acc1eSAdheer Chandravanshi } 8362039acc1eSAdheer Chandravanshi 83631e9e2be3SAdheer Chandravanshi DEBUG2(ql4_printk(KERN_ERR, ha, "%s: start offset=%u, end offset=%u\n", 83641e9e2be3SAdheer Chandravanshi __func__, dev_db_start_offset, dev_db_end_offset)); 83651e9e2be3SAdheer Chandravanshi 83661e9e2be3SAdheer Chandravanshi if (dev_db_start_offset > dev_db_end_offset) { 83671e9e2be3SAdheer Chandravanshi rc = -EIO; 83681e9e2be3SAdheer Chandravanshi DEBUG2(ql4_printk(KERN_ERR, ha, "%s:Invalid DDB index %u\n", 83691e9e2be3SAdheer Chandravanshi __func__, fnode_sess->target_id)); 83701e9e2be3SAdheer Chandravanshi goto exit_ddb_del; 83711e9e2be3SAdheer Chandravanshi } 83721e9e2be3SAdheer Chandravanshi 8373039acc1eSAdheer Chandravanshi pddb = dma_alloc_coherent(&ha->pdev->dev, ddb_size, 8374039acc1eSAdheer Chandravanshi &fw_ddb_entry_dma, GFP_KERNEL); 8375039acc1eSAdheer Chandravanshi if (!pddb) { 8376039acc1eSAdheer Chandravanshi rc = -ENOMEM; 8377039acc1eSAdheer Chandravanshi DEBUG2(ql4_printk(KERN_ERR, ha, 8378039acc1eSAdheer Chandravanshi "%s: Unable to allocate dma buffer\n", 8379039acc1eSAdheer Chandravanshi __func__)); 8380039acc1eSAdheer Chandravanshi goto exit_ddb_del; 8381039acc1eSAdheer Chandravanshi } 8382039acc1eSAdheer Chandravanshi 8383039acc1eSAdheer Chandravanshi if (is_qla40XX(ha)) { 8384039acc1eSAdheer Chandravanshi fw_ddb_entry = pddb; 8385039acc1eSAdheer Chandravanshi memset(fw_ddb_entry, 0, ddb_size); 8386039acc1eSAdheer Chandravanshi ddb_cookie = &fw_ddb_entry->cookie; 8387039acc1eSAdheer Chandravanshi } else { 8388039acc1eSAdheer Chandravanshi ddb_cookie = pddb; 8389039acc1eSAdheer Chandravanshi } 8390039acc1eSAdheer Chandravanshi 83911e9e2be3SAdheer Chandravanshi /* invalidate the cookie */ 83921e9e2be3SAdheer Chandravanshi *ddb_cookie = 0xFFEE; 83931e9e2be3SAdheer Chandravanshi qla4xxx_set_flash(ha, fw_ddb_entry_dma, dev_db_start_offset, 8394039acc1eSAdheer Chandravanshi ddb_size, FLASH_OPT_RMW_COMMIT); 83951e9e2be3SAdheer Chandravanshi 83961e9e2be3SAdheer Chandravanshi sysfs_ddb_del: 83971e9e2be3SAdheer Chandravanshi target_id = fnode_sess->target_id; 83981e9e2be3SAdheer Chandravanshi iscsi_destroy_flashnode_sess(fnode_sess); 83991e9e2be3SAdheer Chandravanshi ql4_printk(KERN_INFO, ha, 84001e9e2be3SAdheer Chandravanshi "%s: session and conn entries for flashnode %u of host %lu deleted\n", 84011e9e2be3SAdheer Chandravanshi __func__, target_id, ha->host_no); 84021e9e2be3SAdheer Chandravanshi exit_ddb_del: 8403039acc1eSAdheer Chandravanshi if (pddb) 8404039acc1eSAdheer Chandravanshi dma_free_coherent(&ha->pdev->dev, ddb_size, pddb, 8405039acc1eSAdheer Chandravanshi fw_ddb_entry_dma); 84061e9e2be3SAdheer Chandravanshi return rc; 84071e9e2be3SAdheer Chandravanshi } 84081e9e2be3SAdheer Chandravanshi 84091e9e2be3SAdheer Chandravanshi /** 84101e9e2be3SAdheer Chandravanshi * qla4xxx_sysfs_ddb_export - Create sysfs entries for firmware DDBs 84111e9e2be3SAdheer Chandravanshi * @ha: pointer to adapter structure 84121e9e2be3SAdheer Chandravanshi * 84131e9e2be3SAdheer Chandravanshi * Export the firmware DDB for all send targets and normal targets to sysfs. 84141e9e2be3SAdheer Chandravanshi **/ 8415906cbf3dSNilesh Javali int qla4xxx_sysfs_ddb_export(struct scsi_qla_host *ha) 84161e9e2be3SAdheer Chandravanshi { 84171e9e2be3SAdheer Chandravanshi struct dev_db_entry *fw_ddb_entry = NULL; 84181e9e2be3SAdheer Chandravanshi dma_addr_t fw_ddb_entry_dma; 84191e9e2be3SAdheer Chandravanshi uint16_t max_ddbs; 84201e9e2be3SAdheer Chandravanshi uint16_t idx = 0; 84211e9e2be3SAdheer Chandravanshi int ret = QLA_SUCCESS; 84221e9e2be3SAdheer Chandravanshi 84231e9e2be3SAdheer Chandravanshi fw_ddb_entry = dma_alloc_coherent(&ha->pdev->dev, 84241e9e2be3SAdheer Chandravanshi sizeof(*fw_ddb_entry), 84251e9e2be3SAdheer Chandravanshi &fw_ddb_entry_dma, GFP_KERNEL); 84261e9e2be3SAdheer Chandravanshi if (!fw_ddb_entry) { 84271e9e2be3SAdheer Chandravanshi DEBUG2(ql4_printk(KERN_ERR, ha, 84281e9e2be3SAdheer Chandravanshi "%s: Unable to allocate dma buffer\n", 84291e9e2be3SAdheer Chandravanshi __func__)); 84301e9e2be3SAdheer Chandravanshi return -ENOMEM; 84311e9e2be3SAdheer Chandravanshi } 84321e9e2be3SAdheer Chandravanshi 8433a957a7d7SAdheer Chandravanshi max_ddbs = is_qla40XX(ha) ? MAX_PRST_DEV_DB_ENTRIES : 84341e9e2be3SAdheer Chandravanshi MAX_DEV_DB_ENTRIES; 84351e9e2be3SAdheer Chandravanshi 84361e9e2be3SAdheer Chandravanshi for (idx = 0; idx < max_ddbs; idx++) { 84371e9e2be3SAdheer Chandravanshi if (qla4xxx_flashdb_by_index(ha, fw_ddb_entry, fw_ddb_entry_dma, 84381e9e2be3SAdheer Chandravanshi idx)) 84391e9e2be3SAdheer Chandravanshi continue; 84401e9e2be3SAdheer Chandravanshi 84411e9e2be3SAdheer Chandravanshi ret = qla4xxx_sysfs_ddb_tgt_create(ha, fw_ddb_entry, &idx, 0); 84421e9e2be3SAdheer Chandravanshi if (ret) { 84431e9e2be3SAdheer Chandravanshi ret = -EIO; 84441e9e2be3SAdheer Chandravanshi break; 84451e9e2be3SAdheer Chandravanshi } 84461e9e2be3SAdheer Chandravanshi } 84471e9e2be3SAdheer Chandravanshi 84481e9e2be3SAdheer Chandravanshi dma_free_coherent(&ha->pdev->dev, sizeof(*fw_ddb_entry), fw_ddb_entry, 84491e9e2be3SAdheer Chandravanshi fw_ddb_entry_dma); 84501e9e2be3SAdheer Chandravanshi 84511e9e2be3SAdheer Chandravanshi return ret; 84521e9e2be3SAdheer Chandravanshi } 84531e9e2be3SAdheer Chandravanshi 84541e9e2be3SAdheer Chandravanshi static void qla4xxx_sysfs_ddb_remove(struct scsi_qla_host *ha) 84551e9e2be3SAdheer Chandravanshi { 84561e9e2be3SAdheer Chandravanshi iscsi_destroy_all_flashnode(ha->host); 84571e9e2be3SAdheer Chandravanshi } 84581e9e2be3SAdheer Chandravanshi 84594a4bc2e9SLalit Chandivade /** 84604a4bc2e9SLalit Chandivade * qla4xxx_build_ddb_list - Build ddb list and setup sessions 84614a4bc2e9SLalit Chandivade * @ha: pointer to adapter structure 84624a4bc2e9SLalit Chandivade * @is_reset: Is this init path or reset path 84634a4bc2e9SLalit Chandivade * 84644a4bc2e9SLalit Chandivade * Create a list of sendtargets (st) from firmware DDBs, issue send targets 84654a4bc2e9SLalit Chandivade * using connection open, then create the list of normal targets (nt) 84664a4bc2e9SLalit Chandivade * from firmware DDBs. Based on the list of nt setup session and connection 84674a4bc2e9SLalit Chandivade * objects. 84684a4bc2e9SLalit Chandivade **/ 84694a4bc2e9SLalit Chandivade void qla4xxx_build_ddb_list(struct scsi_qla_host *ha, int is_reset) 84704a4bc2e9SLalit Chandivade { 84714a4bc2e9SLalit Chandivade uint16_t tmo = 0; 84724a4bc2e9SLalit Chandivade struct list_head list_st, list_nt; 84734a4bc2e9SLalit Chandivade struct qla_ddb_index *st_ddb_idx, *st_ddb_idx_tmp; 84744a4bc2e9SLalit Chandivade unsigned long wtime; 84754a4bc2e9SLalit Chandivade 84764a4bc2e9SLalit Chandivade if (!test_bit(AF_LINK_UP, &ha->flags)) { 84774a4bc2e9SLalit Chandivade set_bit(AF_BUILD_DDB_LIST, &ha->flags); 84784a4bc2e9SLalit Chandivade ha->is_reset = is_reset; 84794a4bc2e9SLalit Chandivade return; 84804a4bc2e9SLalit Chandivade } 84814a4bc2e9SLalit Chandivade 84824a4bc2e9SLalit Chandivade INIT_LIST_HEAD(&list_st); 84834a4bc2e9SLalit Chandivade INIT_LIST_HEAD(&list_nt); 84844a4bc2e9SLalit Chandivade 84854a4bc2e9SLalit Chandivade qla4xxx_build_st_list(ha, &list_st); 84864a4bc2e9SLalit Chandivade 848713483730SMike Christie /* Before issuing conn open mbox, ensure all IPs states are configured 848813483730SMike Christie * Note, conn open fails if IPs are not configured 848913483730SMike Christie */ 849013483730SMike Christie qla4xxx_wait_for_ip_configuration(ha); 849113483730SMike Christie 849213483730SMike Christie /* Go thru the STs and fire the sendtargets by issuing conn open mbx */ 849313483730SMike Christie list_for_each_entry_safe(st_ddb_idx, st_ddb_idx_tmp, &list_st, list) { 849413483730SMike Christie qla4xxx_conn_open(ha, st_ddb_idx->fw_ddb_idx); 849513483730SMike Christie } 849613483730SMike Christie 849713483730SMike Christie /* Wait to ensure all sendtargets are done for min 12 sec wait */ 8498c28eaacaSNilesh Javali tmo = ((ha->def_timeout > LOGIN_TOV) && 8499c28eaacaSNilesh Javali (ha->def_timeout < LOGIN_TOV * 10) ? 8500c28eaacaSNilesh Javali ha->def_timeout : LOGIN_TOV); 8501c28eaacaSNilesh Javali 850213483730SMike Christie DEBUG2(ql4_printk(KERN_INFO, ha, 850313483730SMike Christie "Default time to wait for build ddb %d\n", tmo)); 850413483730SMike Christie 850513483730SMike Christie wtime = jiffies + (HZ * tmo); 850613483730SMike Christie do { 8507f1f2e60eSNilesh Javali if (list_empty(&list_st)) 8508f1f2e60eSNilesh Javali break; 8509f1f2e60eSNilesh Javali 85104a4bc2e9SLalit Chandivade qla4xxx_remove_failed_ddb(ha, &list_st); 851113483730SMike Christie schedule_timeout_uninterruptible(HZ / 10); 851213483730SMike Christie } while (time_after(wtime, jiffies)); 851313483730SMike Christie 8514ad8bd45eSManish Rangankar 8515ad8bd45eSManish Rangankar qla4xxx_build_nt_list(ha, &list_nt, &list_st, is_reset); 8516ad8bd45eSManish Rangankar 85174a4bc2e9SLalit Chandivade qla4xxx_free_ddb_list(&list_st); 85184a4bc2e9SLalit Chandivade qla4xxx_free_ddb_list(&list_nt); 851913483730SMike Christie 852013483730SMike Christie qla4xxx_free_ddb_index(ha); 852113483730SMike Christie } 852213483730SMike Christie 8523afaf5a2dSDavid Somayajulu /** 85241dc8ed5dSManish Rangankar * qla4xxx_wait_login_resp_boot_tgt - Wait for iSCSI boot target login 85251dc8ed5dSManish Rangankar * response. 85261dc8ed5dSManish Rangankar * @ha: pointer to adapter structure 85271dc8ed5dSManish Rangankar * 85281dc8ed5dSManish Rangankar * When the boot entry is normal iSCSI target then DF_BOOT_TGT flag will be 85291dc8ed5dSManish Rangankar * set in DDB and we will wait for login response of boot targets during 85301dc8ed5dSManish Rangankar * probe. 85311dc8ed5dSManish Rangankar **/ 85321dc8ed5dSManish Rangankar static void qla4xxx_wait_login_resp_boot_tgt(struct scsi_qla_host *ha) 85331dc8ed5dSManish Rangankar { 85341dc8ed5dSManish Rangankar struct ddb_entry *ddb_entry; 85351dc8ed5dSManish Rangankar struct dev_db_entry *fw_ddb_entry = NULL; 85361dc8ed5dSManish Rangankar dma_addr_t fw_ddb_entry_dma; 85371dc8ed5dSManish Rangankar unsigned long wtime; 85381dc8ed5dSManish Rangankar uint32_t ddb_state; 85391dc8ed5dSManish Rangankar int max_ddbs, idx, ret; 85401dc8ed5dSManish Rangankar 85411dc8ed5dSManish Rangankar max_ddbs = is_qla40XX(ha) ? MAX_DEV_DB_ENTRIES_40XX : 85421dc8ed5dSManish Rangankar MAX_DEV_DB_ENTRIES; 85431dc8ed5dSManish Rangankar 85441dc8ed5dSManish Rangankar fw_ddb_entry = dma_alloc_coherent(&ha->pdev->dev, sizeof(*fw_ddb_entry), 85451dc8ed5dSManish Rangankar &fw_ddb_entry_dma, GFP_KERNEL); 85461dc8ed5dSManish Rangankar if (!fw_ddb_entry) { 85471dc8ed5dSManish Rangankar ql4_printk(KERN_ERR, ha, 85481dc8ed5dSManish Rangankar "%s: Unable to allocate dma buffer\n", __func__); 85491dc8ed5dSManish Rangankar goto exit_login_resp; 85501dc8ed5dSManish Rangankar } 85511dc8ed5dSManish Rangankar 85521dc8ed5dSManish Rangankar wtime = jiffies + (HZ * BOOT_LOGIN_RESP_TOV); 85531dc8ed5dSManish Rangankar 85541dc8ed5dSManish Rangankar for (idx = 0; idx < max_ddbs; idx++) { 85551dc8ed5dSManish Rangankar ddb_entry = qla4xxx_lookup_ddb_by_fw_index(ha, idx); 85561dc8ed5dSManish Rangankar if (ddb_entry == NULL) 85571dc8ed5dSManish Rangankar continue; 85581dc8ed5dSManish Rangankar 85591dc8ed5dSManish Rangankar if (test_bit(DF_BOOT_TGT, &ddb_entry->flags)) { 85601dc8ed5dSManish Rangankar DEBUG2(ql4_printk(KERN_INFO, ha, 85611dc8ed5dSManish Rangankar "%s: DDB index [%d]\n", __func__, 85621dc8ed5dSManish Rangankar ddb_entry->fw_ddb_index)); 85631dc8ed5dSManish Rangankar do { 85641dc8ed5dSManish Rangankar ret = qla4xxx_get_fwddb_entry(ha, 85651dc8ed5dSManish Rangankar ddb_entry->fw_ddb_index, 85661dc8ed5dSManish Rangankar fw_ddb_entry, fw_ddb_entry_dma, 85671dc8ed5dSManish Rangankar NULL, NULL, &ddb_state, NULL, 85681dc8ed5dSManish Rangankar NULL, NULL); 85691dc8ed5dSManish Rangankar if (ret == QLA_ERROR) 85701dc8ed5dSManish Rangankar goto exit_login_resp; 85711dc8ed5dSManish Rangankar 85721dc8ed5dSManish Rangankar if ((ddb_state == DDB_DS_SESSION_ACTIVE) || 85731dc8ed5dSManish Rangankar (ddb_state == DDB_DS_SESSION_FAILED)) 85741dc8ed5dSManish Rangankar break; 85751dc8ed5dSManish Rangankar 85761dc8ed5dSManish Rangankar schedule_timeout_uninterruptible(HZ); 85771dc8ed5dSManish Rangankar 85781dc8ed5dSManish Rangankar } while ((time_after(wtime, jiffies))); 85791dc8ed5dSManish Rangankar 85801dc8ed5dSManish Rangankar if (!time_after(wtime, jiffies)) { 85811dc8ed5dSManish Rangankar DEBUG2(ql4_printk(KERN_INFO, ha, 85821dc8ed5dSManish Rangankar "%s: Login response wait timer expired\n", 85831dc8ed5dSManish Rangankar __func__)); 85841dc8ed5dSManish Rangankar goto exit_login_resp; 85851dc8ed5dSManish Rangankar } 85861dc8ed5dSManish Rangankar } 85871dc8ed5dSManish Rangankar } 85881dc8ed5dSManish Rangankar 85891dc8ed5dSManish Rangankar exit_login_resp: 85901dc8ed5dSManish Rangankar if (fw_ddb_entry) 85911dc8ed5dSManish Rangankar dma_free_coherent(&ha->pdev->dev, sizeof(*fw_ddb_entry), 85921dc8ed5dSManish Rangankar fw_ddb_entry, fw_ddb_entry_dma); 85931dc8ed5dSManish Rangankar } 85941dc8ed5dSManish Rangankar 85951dc8ed5dSManish Rangankar /** 8596afaf5a2dSDavid Somayajulu * qla4xxx_probe_adapter - callback function to probe HBA 8597afaf5a2dSDavid Somayajulu * @pdev: pointer to pci_dev structure 8598afaf5a2dSDavid Somayajulu * @pci_device_id: pointer to pci_device entry 8599afaf5a2dSDavid Somayajulu * 8600afaf5a2dSDavid Somayajulu * This routine will probe for Qlogic 4xxx iSCSI host adapters. 8601afaf5a2dSDavid Somayajulu * It returns zero if successful. It also initializes all data necessary for 8602afaf5a2dSDavid Somayajulu * the driver. 8603afaf5a2dSDavid Somayajulu **/ 86046f039790SGreg Kroah-Hartman static int qla4xxx_probe_adapter(struct pci_dev *pdev, 8605afaf5a2dSDavid Somayajulu const struct pci_device_id *ent) 8606afaf5a2dSDavid Somayajulu { 8607afaf5a2dSDavid Somayajulu int ret = -ENODEV, status; 8608afaf5a2dSDavid Somayajulu struct Scsi_Host *host; 8609afaf5a2dSDavid Somayajulu struct scsi_qla_host *ha; 8610afaf5a2dSDavid Somayajulu uint8_t init_retry_count = 0; 8611afaf5a2dSDavid Somayajulu char buf[34]; 8612f4f5df23SVikas Chaudhary struct qla4_8xxx_legacy_intr_set *nx_legacy_intr; 8613f9880e76SPrasanna Mumbai uint32_t dev_state; 8614afaf5a2dSDavid Somayajulu 8615afaf5a2dSDavid Somayajulu if (pci_enable_device(pdev)) 8616afaf5a2dSDavid Somayajulu return -1; 8617afaf5a2dSDavid Somayajulu 8618b3a271a9SManish Rangankar host = iscsi_host_alloc(&qla4xxx_driver_template, sizeof(*ha), 0); 8619afaf5a2dSDavid Somayajulu if (host == NULL) { 8620afaf5a2dSDavid Somayajulu printk(KERN_WARNING 8621afaf5a2dSDavid Somayajulu "qla4xxx: Couldn't allocate host from scsi layer!\n"); 8622afaf5a2dSDavid Somayajulu goto probe_disable_device; 8623afaf5a2dSDavid Somayajulu } 8624afaf5a2dSDavid Somayajulu 8625afaf5a2dSDavid Somayajulu /* Clear our data area */ 8626b3a271a9SManish Rangankar ha = to_qla_host(host); 8627afaf5a2dSDavid Somayajulu memset(ha, 0, sizeof(*ha)); 8628afaf5a2dSDavid Somayajulu 8629afaf5a2dSDavid Somayajulu /* Save the information from PCI BIOS. */ 8630afaf5a2dSDavid Somayajulu ha->pdev = pdev; 8631afaf5a2dSDavid Somayajulu ha->host = host; 8632afaf5a2dSDavid Somayajulu ha->host_no = host->host_no; 86336e7b4292SVikas Chaudhary ha->func_num = PCI_FUNC(ha->pdev->devfn); 8634afaf5a2dSDavid Somayajulu 86352232be0dSLalit Chandivade pci_enable_pcie_error_reporting(pdev); 86362232be0dSLalit Chandivade 8637f4f5df23SVikas Chaudhary /* Setup Runtime configurable options */ 8638f4f5df23SVikas Chaudhary if (is_qla8022(ha)) { 86397664a1fdSVikas Chaudhary ha->isp_ops = &qla4_82xx_isp_ops; 864033693c7aSVikas Chaudhary ha->reg_tbl = (uint32_t *) qla4_82xx_reg_tbl; 8641f4f5df23SVikas Chaudhary ha->qdr_sn_window = -1; 8642f4f5df23SVikas Chaudhary ha->ddr_mn_window = -1; 8643f4f5df23SVikas Chaudhary ha->curr_window = 255; 8644f4f5df23SVikas Chaudhary nx_legacy_intr = &legacy_intr[ha->func_num]; 8645f4f5df23SVikas Chaudhary ha->nx_legacy_intr.int_vec_bit = nx_legacy_intr->int_vec_bit; 8646f4f5df23SVikas Chaudhary ha->nx_legacy_intr.tgt_status_reg = 8647f4f5df23SVikas Chaudhary nx_legacy_intr->tgt_status_reg; 8648f4f5df23SVikas Chaudhary ha->nx_legacy_intr.tgt_mask_reg = nx_legacy_intr->tgt_mask_reg; 8649f4f5df23SVikas Chaudhary ha->nx_legacy_intr.pci_int_reg = nx_legacy_intr->pci_int_reg; 8650b37ca418SVikas Chaudhary } else if (is_qla8032(ha) || is_qla8042(ha)) { 86516e7b4292SVikas Chaudhary ha->isp_ops = &qla4_83xx_isp_ops; 86526e7b4292SVikas Chaudhary ha->reg_tbl = (uint32_t *)qla4_83xx_reg_tbl; 8653f4f5df23SVikas Chaudhary } else { 8654f4f5df23SVikas Chaudhary ha->isp_ops = &qla4xxx_isp_ops; 8655f4f5df23SVikas Chaudhary } 8656f4f5df23SVikas Chaudhary 86576e7b4292SVikas Chaudhary if (is_qla80XX(ha)) { 86586e7b4292SVikas Chaudhary rwlock_init(&ha->hw_lock); 86596e7b4292SVikas Chaudhary ha->pf_bit = ha->func_num << 16; 86602232be0dSLalit Chandivade /* Set EEH reset type to fundamental if required by hba */ 86612232be0dSLalit Chandivade pdev->needs_freset = 1; 86626e7b4292SVikas Chaudhary } 86632232be0dSLalit Chandivade 8664afaf5a2dSDavid Somayajulu /* Configure PCI I/O space. */ 8665f4f5df23SVikas Chaudhary ret = ha->isp_ops->iospace_config(ha); 8666afaf5a2dSDavid Somayajulu if (ret) 8667f4f5df23SVikas Chaudhary goto probe_failed_ioconfig; 8668afaf5a2dSDavid Somayajulu 8669c2660df3SVikas Chaudhary ql4_printk(KERN_INFO, ha, "Found an ISP%04x, irq %d, iobase 0x%p\n", 8670afaf5a2dSDavid Somayajulu pdev->device, pdev->irq, ha->reg); 8671afaf5a2dSDavid Somayajulu 8672afaf5a2dSDavid Somayajulu qla4xxx_config_dma_addressing(ha); 8673afaf5a2dSDavid Somayajulu 8674afaf5a2dSDavid Somayajulu /* Initialize lists and spinlocks. */ 8675afaf5a2dSDavid Somayajulu INIT_LIST_HEAD(&ha->free_srb_q); 8676afaf5a2dSDavid Somayajulu 8677afaf5a2dSDavid Somayajulu mutex_init(&ha->mbox_sem); 86784549415aSLalit Chandivade mutex_init(&ha->chap_sem); 8679f4f5df23SVikas Chaudhary init_completion(&ha->mbx_intr_comp); 868095d31262SVikas Chaudhary init_completion(&ha->disable_acb_comp); 8681df86f771SVikas Chaudhary init_completion(&ha->idc_comp); 8682df86f771SVikas Chaudhary init_completion(&ha->link_up_comp); 8683afaf5a2dSDavid Somayajulu 8684afaf5a2dSDavid Somayajulu spin_lock_init(&ha->hardware_lock); 86858e9157c8SVikas Chaudhary spin_lock_init(&ha->work_lock); 8686afaf5a2dSDavid Somayajulu 8687ff884430SVikas Chaudhary /* Initialize work list */ 8688ff884430SVikas Chaudhary INIT_LIST_HEAD(&ha->work_list); 8689ff884430SVikas Chaudhary 8690afaf5a2dSDavid Somayajulu /* Allocate dma buffers */ 8691afaf5a2dSDavid Somayajulu if (qla4xxx_mem_alloc(ha)) { 8692c2660df3SVikas Chaudhary ql4_printk(KERN_WARNING, ha, 8693afaf5a2dSDavid Somayajulu "[ERROR] Failed to allocate memory for adapter\n"); 8694afaf5a2dSDavid Somayajulu 8695afaf5a2dSDavid Somayajulu ret = -ENOMEM; 8696afaf5a2dSDavid Somayajulu goto probe_failed; 8697afaf5a2dSDavid Somayajulu } 8698afaf5a2dSDavid Somayajulu 8699b3a271a9SManish Rangankar host->cmd_per_lun = 3; 8700b3a271a9SManish Rangankar host->max_channel = 0; 8701b3a271a9SManish Rangankar host->max_lun = MAX_LUNS - 1; 8702b3a271a9SManish Rangankar host->max_id = MAX_TARGETS; 8703b3a271a9SManish Rangankar host->max_cmd_len = IOCB_MAX_CDB_LEN; 8704b3a271a9SManish Rangankar host->can_queue = MAX_SRBS ; 8705b3a271a9SManish Rangankar host->transportt = qla4xxx_scsi_transport; 8706b3a271a9SManish Rangankar 8707b3a271a9SManish Rangankar pci_set_drvdata(pdev, ha); 8708b3a271a9SManish Rangankar 8709b3a271a9SManish Rangankar ret = scsi_add_host(host, &pdev->dev); 8710b3a271a9SManish Rangankar if (ret) 8711b3a271a9SManish Rangankar goto probe_failed; 8712b3a271a9SManish Rangankar 87136e7b4292SVikas Chaudhary if (is_qla80XX(ha)) 87146e7b4292SVikas Chaudhary qla4_8xxx_get_flash_info(ha); 87156e7b4292SVikas Chaudhary 8716b37ca418SVikas Chaudhary if (is_qla8032(ha) || is_qla8042(ha)) { 87176e7b4292SVikas Chaudhary qla4_83xx_read_reset_template(ha); 87186e7b4292SVikas Chaudhary /* 87196e7b4292SVikas Chaudhary * NOTE: If ql4dontresethba==1, set IDC_CTRL DONTRESET_BIT0. 87206e7b4292SVikas Chaudhary * If DONRESET_BIT0 is set, drivers should not set dev_state 87216e7b4292SVikas Chaudhary * to NEED_RESET. But if NEED_RESET is set, drivers should 87226e7b4292SVikas Chaudhary * should honor the reset. 87236e7b4292SVikas Chaudhary */ 87246e7b4292SVikas Chaudhary if (ql4xdontresethba == 1) 87256e7b4292SVikas Chaudhary qla4_83xx_set_idc_dontreset(ha); 87266e7b4292SVikas Chaudhary } 8727f4f5df23SVikas Chaudhary 8728afaf5a2dSDavid Somayajulu /* 8729afaf5a2dSDavid Somayajulu * Initialize the Host adapter request/response queues and 8730afaf5a2dSDavid Somayajulu * firmware 8731afaf5a2dSDavid Somayajulu * NOTE: interrupts enabled upon successful completion 8732afaf5a2dSDavid Somayajulu */ 873313483730SMike Christie status = qla4xxx_initialize_adapter(ha, INIT_ADAPTER); 87347977f825SPoornima Vonti 87357977f825SPoornima Vonti /* Dont retry adapter initialization if IRQ allocation failed */ 873637418cc6SNilesh Javali if (is_qla80XX(ha) && (status == QLA_ERROR)) 87377977f825SPoornima Vonti goto skip_retry_init; 87387977f825SPoornima Vonti 8739f4f5df23SVikas Chaudhary while ((!test_bit(AF_ONLINE, &ha->flags)) && 8740f4f5df23SVikas Chaudhary init_retry_count++ < MAX_INIT_RETRIES) { 8741f9880e76SPrasanna Mumbai 87426e7b4292SVikas Chaudhary if (is_qla80XX(ha)) { 874333693c7aSVikas Chaudhary ha->isp_ops->idc_lock(ha); 874433693c7aSVikas Chaudhary dev_state = qla4_8xxx_rd_direct(ha, 8745e951aca1SVikas Chaudhary QLA8XXX_CRB_DEV_STATE); 874633693c7aSVikas Chaudhary ha->isp_ops->idc_unlock(ha); 8747de8c72daSVikas Chaudhary if (dev_state == QLA8XXX_DEV_FAILED) { 8748f9880e76SPrasanna Mumbai ql4_printk(KERN_WARNING, ha, "%s: don't retry " 8749f9880e76SPrasanna Mumbai "initialize adapter. H/W is in failed state\n", 8750f9880e76SPrasanna Mumbai __func__); 8751f9880e76SPrasanna Mumbai break; 8752f9880e76SPrasanna Mumbai } 8753f9880e76SPrasanna Mumbai } 8754afaf5a2dSDavid Somayajulu DEBUG2(printk("scsi: %s: retrying adapter initialization " 8755afaf5a2dSDavid Somayajulu "(%d)\n", __func__, init_retry_count)); 8756f4f5df23SVikas Chaudhary 8757f4f5df23SVikas Chaudhary if (ha->isp_ops->reset_chip(ha) == QLA_ERROR) 8758f4f5df23SVikas Chaudhary continue; 8759f4f5df23SVikas Chaudhary 876013483730SMike Christie status = qla4xxx_initialize_adapter(ha, INIT_ADAPTER); 876137418cc6SNilesh Javali if (is_qla80XX(ha) && (status == QLA_ERROR)) { 876237418cc6SNilesh Javali if (qla4_8xxx_check_init_adapter_retry(ha) == QLA_ERROR) 876337418cc6SNilesh Javali goto skip_retry_init; 876437418cc6SNilesh Javali } 8765afaf5a2dSDavid Somayajulu } 8766f4f5df23SVikas Chaudhary 87677977f825SPoornima Vonti skip_retry_init: 8768f4f5df23SVikas Chaudhary if (!test_bit(AF_ONLINE, &ha->flags)) { 8769c2660df3SVikas Chaudhary ql4_printk(KERN_WARNING, ha, "Failed to initialize adapter\n"); 8770afaf5a2dSDavid Somayajulu 87716e7b4292SVikas Chaudhary if ((is_qla8022(ha) && ql4xdontresethba) || 8772b37ca418SVikas Chaudhary ((is_qla8032(ha) || is_qla8042(ha)) && 8773b37ca418SVikas Chaudhary qla4_83xx_idc_dontreset(ha))) { 8774fe998527SLalit Chandivade /* Put the device in failed state. */ 8775fe998527SLalit Chandivade DEBUG2(printk(KERN_ERR "HW STATE: FAILED\n")); 877633693c7aSVikas Chaudhary ha->isp_ops->idc_lock(ha); 877733693c7aSVikas Chaudhary qla4_8xxx_wr_direct(ha, QLA8XXX_CRB_DEV_STATE, 8778de8c72daSVikas Chaudhary QLA8XXX_DEV_FAILED); 877933693c7aSVikas Chaudhary ha->isp_ops->idc_unlock(ha); 8780fe998527SLalit Chandivade } 8781afaf5a2dSDavid Somayajulu ret = -ENODEV; 8782b3a271a9SManish Rangankar goto remove_host; 8783afaf5a2dSDavid Somayajulu } 8784afaf5a2dSDavid Somayajulu 8785afaf5a2dSDavid Somayajulu /* Startup the kernel thread for this host adapter. */ 8786afaf5a2dSDavid Somayajulu DEBUG2(printk("scsi: %s: Starting kernel thread for " 8787afaf5a2dSDavid Somayajulu "qla4xxx_dpc\n", __func__)); 8788afaf5a2dSDavid Somayajulu sprintf(buf, "qla4xxx_%lu_dpc", ha->host_no); 8789afaf5a2dSDavid Somayajulu ha->dpc_thread = create_singlethread_workqueue(buf); 8790afaf5a2dSDavid Somayajulu if (!ha->dpc_thread) { 8791c2660df3SVikas Chaudhary ql4_printk(KERN_WARNING, ha, "Unable to start DPC thread!\n"); 8792afaf5a2dSDavid Somayajulu ret = -ENODEV; 8793b3a271a9SManish Rangankar goto remove_host; 8794afaf5a2dSDavid Somayajulu } 8795c4028958SDavid Howells INIT_WORK(&ha->dpc_work, qla4xxx_do_dpc); 8796afaf5a2dSDavid Somayajulu 8797d8537548SKees Cook ha->task_wq = alloc_workqueue("qla4xxx_%lu_task", WQ_MEM_RECLAIM, 1, 8798d8537548SKees Cook ha->host_no); 8799b3a271a9SManish Rangankar if (!ha->task_wq) { 8800b3a271a9SManish Rangankar ql4_printk(KERN_WARNING, ha, "Unable to start task thread!\n"); 8801b3a271a9SManish Rangankar ret = -ENODEV; 8802b3a271a9SManish Rangankar goto remove_host; 8803b3a271a9SManish Rangankar } 8804b3a271a9SManish Rangankar 88056e7b4292SVikas Chaudhary /* 88066e7b4292SVikas Chaudhary * For ISP-8XXX, request_irqs is called in qla4_8xxx_load_risc 8807f4f5df23SVikas Chaudhary * (which is called indirectly by qla4xxx_initialize_adapter), 8808f4f5df23SVikas Chaudhary * so that irqs will be registered after crbinit but before 8809f4f5df23SVikas Chaudhary * mbx_intr_enable. 8810f4f5df23SVikas Chaudhary */ 8811ee996a69SVikas Chaudhary if (is_qla40XX(ha)) { 8812f4f5df23SVikas Chaudhary ret = qla4xxx_request_irqs(ha); 8813afaf5a2dSDavid Somayajulu if (ret) { 8814f4f5df23SVikas Chaudhary ql4_printk(KERN_WARNING, ha, "Failed to reserve " 8815f4f5df23SVikas Chaudhary "interrupt %d already in use.\n", pdev->irq); 8816b3a271a9SManish Rangankar goto remove_host; 8817afaf5a2dSDavid Somayajulu } 8818f4f5df23SVikas Chaudhary } 8819afaf5a2dSDavid Somayajulu 88202232be0dSLalit Chandivade pci_save_state(ha->pdev); 8821f4f5df23SVikas Chaudhary ha->isp_ops->enable_intrs(ha); 8822afaf5a2dSDavid Somayajulu 8823afaf5a2dSDavid Somayajulu /* Start timer thread. */ 8824d744644aSKees Cook qla4xxx_start_timer(ha, 1); 8825afaf5a2dSDavid Somayajulu 8826afaf5a2dSDavid Somayajulu set_bit(AF_INIT_DONE, &ha->flags); 8827afaf5a2dSDavid Somayajulu 8828068237c8STej Parkash qla4_8xxx_alloc_sysfs_attr(ha); 8829068237c8STej Parkash 8830afaf5a2dSDavid Somayajulu printk(KERN_INFO 8831afaf5a2dSDavid Somayajulu " QLogic iSCSI HBA Driver version: %s\n" 8832afaf5a2dSDavid Somayajulu " QLogic ISP%04x @ %s, host#=%ld, fw=%02d.%02d.%02d.%02d\n", 8833afaf5a2dSDavid Somayajulu qla4xxx_version_str, ha->pdev->device, pci_name(ha->pdev), 8834eee06a0fSAdheer Chandravanshi ha->host_no, ha->fw_info.fw_major, ha->fw_info.fw_minor, 8835eee06a0fSAdheer Chandravanshi ha->fw_info.fw_patch, ha->fw_info.fw_build); 8836ed1086e0SVikas Chaudhary 8837cfb27874SManish Dusane /* Set the driver version */ 8838cfb27874SManish Dusane if (is_qla80XX(ha)) 8839cfb27874SManish Dusane qla4_8xxx_set_param(ha, SET_DRVR_VERSION); 8840cfb27874SManish Dusane 88412a991c21SManish Rangankar if (qla4xxx_setup_boot_info(ha)) 88423573bfb2SVikas Chaudhary ql4_printk(KERN_ERR, ha, 88433573bfb2SVikas Chaudhary "%s: No iSCSI boot target configured\n", __func__); 88442a991c21SManish Rangankar 8845906cbf3dSNilesh Javali set_bit(DPC_SYSFS_DDB_EXPORT, &ha->dpc_flags); 884613483730SMike Christie /* Perform the build ddb list and login to each */ 884713483730SMike Christie qla4xxx_build_ddb_list(ha, INIT_ADAPTER); 884813483730SMike Christie iscsi_host_for_each_session(ha->host, qla4xxx_login_flash_ddb); 88491dc8ed5dSManish Rangankar qla4xxx_wait_login_resp_boot_tgt(ha); 885013483730SMike Christie 885113483730SMike Christie qla4xxx_create_chap_list(ha); 885213483730SMike Christie 8853ed1086e0SVikas Chaudhary qla4xxx_create_ifaces(ha); 8854afaf5a2dSDavid Somayajulu return 0; 8855afaf5a2dSDavid Somayajulu 8856b3a271a9SManish Rangankar remove_host: 8857b3a271a9SManish Rangankar scsi_remove_host(ha->host); 8858b3a271a9SManish Rangankar 8859afaf5a2dSDavid Somayajulu probe_failed: 8860afaf5a2dSDavid Somayajulu qla4xxx_free_adapter(ha); 8861f4f5df23SVikas Chaudhary 8862f4f5df23SVikas Chaudhary probe_failed_ioconfig: 88632232be0dSLalit Chandivade pci_disable_pcie_error_reporting(pdev); 8864afaf5a2dSDavid Somayajulu scsi_host_put(ha->host); 8865afaf5a2dSDavid Somayajulu 8866afaf5a2dSDavid Somayajulu probe_disable_device: 8867afaf5a2dSDavid Somayajulu pci_disable_device(pdev); 8868afaf5a2dSDavid Somayajulu 8869afaf5a2dSDavid Somayajulu return ret; 8870afaf5a2dSDavid Somayajulu } 8871afaf5a2dSDavid Somayajulu 8872afaf5a2dSDavid Somayajulu /** 88737eece5a0SKaren Higgins * qla4xxx_prevent_other_port_reinit - prevent other port from re-initialize 88747eece5a0SKaren Higgins * @ha: pointer to adapter structure 88757eece5a0SKaren Higgins * 88767eece5a0SKaren Higgins * Mark the other ISP-4xxx port to indicate that the driver is being removed, 88777eece5a0SKaren Higgins * so that the other port will not re-initialize while in the process of 88787eece5a0SKaren Higgins * removing the ha due to driver unload or hba hotplug. 88797eece5a0SKaren Higgins **/ 88807eece5a0SKaren Higgins static void qla4xxx_prevent_other_port_reinit(struct scsi_qla_host *ha) 88817eece5a0SKaren Higgins { 88827eece5a0SKaren Higgins struct scsi_qla_host *other_ha = NULL; 88837eece5a0SKaren Higgins struct pci_dev *other_pdev = NULL; 88847eece5a0SKaren Higgins int fn = ISP4XXX_PCI_FN_2; 88857eece5a0SKaren Higgins 88867eece5a0SKaren Higgins /*iscsi function numbers for ISP4xxx is 1 and 3*/ 88877eece5a0SKaren Higgins if (PCI_FUNC(ha->pdev->devfn) & BIT_1) 88887eece5a0SKaren Higgins fn = ISP4XXX_PCI_FN_1; 88897eece5a0SKaren Higgins 88907eece5a0SKaren Higgins other_pdev = 88917eece5a0SKaren Higgins pci_get_domain_bus_and_slot(pci_domain_nr(ha->pdev->bus), 88927eece5a0SKaren Higgins ha->pdev->bus->number, PCI_DEVFN(PCI_SLOT(ha->pdev->devfn), 88937eece5a0SKaren Higgins fn)); 88947eece5a0SKaren Higgins 88957eece5a0SKaren Higgins /* Get other_ha if other_pdev is valid and state is enable*/ 88967eece5a0SKaren Higgins if (other_pdev) { 88977eece5a0SKaren Higgins if (atomic_read(&other_pdev->enable_cnt)) { 88987eece5a0SKaren Higgins other_ha = pci_get_drvdata(other_pdev); 88997eece5a0SKaren Higgins if (other_ha) { 89007eece5a0SKaren Higgins set_bit(AF_HA_REMOVAL, &other_ha->flags); 89017eece5a0SKaren Higgins DEBUG2(ql4_printk(KERN_INFO, ha, "%s: " 89027eece5a0SKaren Higgins "Prevent %s reinit\n", __func__, 89037eece5a0SKaren Higgins dev_name(&other_ha->pdev->dev))); 89047eece5a0SKaren Higgins } 89057eece5a0SKaren Higgins } 89067eece5a0SKaren Higgins pci_dev_put(other_pdev); 89077eece5a0SKaren Higgins } 89087eece5a0SKaren Higgins } 89097eece5a0SKaren Higgins 891028d958baSVikas Chaudhary static void qla4xxx_destroy_ddb(struct scsi_qla_host *ha, 891128d958baSVikas Chaudhary struct ddb_entry *ddb_entry) 891228d958baSVikas Chaudhary { 891328d958baSVikas Chaudhary struct dev_db_entry *fw_ddb_entry = NULL; 891428d958baSVikas Chaudhary dma_addr_t fw_ddb_entry_dma; 891528d958baSVikas Chaudhary unsigned long wtime; 891628d958baSVikas Chaudhary uint32_t ddb_state; 891728d958baSVikas Chaudhary int options; 891828d958baSVikas Chaudhary int status; 891928d958baSVikas Chaudhary 892028d958baSVikas Chaudhary options = LOGOUT_OPTION_CLOSE_SESSION; 892128d958baSVikas Chaudhary if (qla4xxx_session_logout_ddb(ha, ddb_entry, options) == QLA_ERROR) { 892228d958baSVikas Chaudhary ql4_printk(KERN_ERR, ha, "%s: Logout failed\n", __func__); 892328d958baSVikas Chaudhary goto clear_ddb; 892428d958baSVikas Chaudhary } 892528d958baSVikas Chaudhary 892628d958baSVikas Chaudhary fw_ddb_entry = dma_alloc_coherent(&ha->pdev->dev, sizeof(*fw_ddb_entry), 892728d958baSVikas Chaudhary &fw_ddb_entry_dma, GFP_KERNEL); 892828d958baSVikas Chaudhary if (!fw_ddb_entry) { 892928d958baSVikas Chaudhary ql4_printk(KERN_ERR, ha, 893028d958baSVikas Chaudhary "%s: Unable to allocate dma buffer\n", __func__); 893128d958baSVikas Chaudhary goto clear_ddb; 893228d958baSVikas Chaudhary } 893328d958baSVikas Chaudhary 893428d958baSVikas Chaudhary wtime = jiffies + (HZ * LOGOUT_TOV); 893528d958baSVikas Chaudhary do { 893628d958baSVikas Chaudhary status = qla4xxx_get_fwddb_entry(ha, ddb_entry->fw_ddb_index, 893728d958baSVikas Chaudhary fw_ddb_entry, fw_ddb_entry_dma, 893828d958baSVikas Chaudhary NULL, NULL, &ddb_state, NULL, 893928d958baSVikas Chaudhary NULL, NULL); 894028d958baSVikas Chaudhary if (status == QLA_ERROR) 894128d958baSVikas Chaudhary goto free_ddb; 894228d958baSVikas Chaudhary 894328d958baSVikas Chaudhary if ((ddb_state == DDB_DS_NO_CONNECTION_ACTIVE) || 894428d958baSVikas Chaudhary (ddb_state == DDB_DS_SESSION_FAILED)) 894528d958baSVikas Chaudhary goto free_ddb; 894628d958baSVikas Chaudhary 894728d958baSVikas Chaudhary schedule_timeout_uninterruptible(HZ); 894828d958baSVikas Chaudhary } while ((time_after(wtime, jiffies))); 894928d958baSVikas Chaudhary 895028d958baSVikas Chaudhary free_ddb: 895128d958baSVikas Chaudhary dma_free_coherent(&ha->pdev->dev, sizeof(*fw_ddb_entry), 895228d958baSVikas Chaudhary fw_ddb_entry, fw_ddb_entry_dma); 895328d958baSVikas Chaudhary clear_ddb: 895428d958baSVikas Chaudhary qla4xxx_clear_ddb_entry(ha, ddb_entry->fw_ddb_index); 895528d958baSVikas Chaudhary } 895628d958baSVikas Chaudhary 895713483730SMike Christie static void qla4xxx_destroy_fw_ddb_session(struct scsi_qla_host *ha) 895813483730SMike Christie { 895913483730SMike Christie struct ddb_entry *ddb_entry; 896013483730SMike Christie int idx; 896113483730SMike Christie 896213483730SMike Christie for (idx = 0; idx < MAX_DDB_ENTRIES; idx++) { 896313483730SMike Christie 896413483730SMike Christie ddb_entry = qla4xxx_lookup_ddb_by_fw_index(ha, idx); 896513483730SMike Christie if ((ddb_entry != NULL) && 896613483730SMike Christie (ddb_entry->ddb_type == FLASH_DDB)) { 896713483730SMike Christie 896828d958baSVikas Chaudhary qla4xxx_destroy_ddb(ha, ddb_entry); 896913483730SMike Christie /* 897013483730SMike Christie * we have decremented the reference count of the driver 897113483730SMike Christie * when we setup the session to have the driver unload 897213483730SMike Christie * to be seamless without actually destroying the 897313483730SMike Christie * session 897413483730SMike Christie **/ 897513483730SMike Christie try_module_get(qla4xxx_iscsi_transport.owner); 897613483730SMike Christie iscsi_destroy_endpoint(ddb_entry->conn->ep); 897713483730SMike Christie qla4xxx_free_ddb(ha, ddb_entry); 897813483730SMike Christie iscsi_session_teardown(ddb_entry->sess); 897913483730SMike Christie } 898013483730SMike Christie } 898113483730SMike Christie } 89827eece5a0SKaren Higgins /** 898359e13d48SMasanari Iida * qla4xxx_remove_adapter - callback function to remove adapter. 8984afaf5a2dSDavid Somayajulu * @pci_dev: PCI device pointer 8985afaf5a2dSDavid Somayajulu **/ 89866f039790SGreg Kroah-Hartman static void qla4xxx_remove_adapter(struct pci_dev *pdev) 8987afaf5a2dSDavid Somayajulu { 8988afaf5a2dSDavid Somayajulu struct scsi_qla_host *ha; 8989afaf5a2dSDavid Somayajulu 8990f8b0751dSVikas Chaudhary /* 8991f8b0751dSVikas Chaudhary * If the PCI device is disabled then it means probe_adapter had 8992f8b0751dSVikas Chaudhary * failed and resources already cleaned up on probe_adapter exit. 8993f8b0751dSVikas Chaudhary */ 8994f8b0751dSVikas Chaudhary if (!pci_is_enabled(pdev)) 8995f8b0751dSVikas Chaudhary return; 8996f8b0751dSVikas Chaudhary 8997afaf5a2dSDavid Somayajulu ha = pci_get_drvdata(pdev); 8998afaf5a2dSDavid Somayajulu 8999ee996a69SVikas Chaudhary if (is_qla40XX(ha)) 90007eece5a0SKaren Higgins qla4xxx_prevent_other_port_reinit(ha); 9001bee4fe8eSDavid C Somayajulu 9002ed1086e0SVikas Chaudhary /* destroy iface from sysfs */ 9003ed1086e0SVikas Chaudhary qla4xxx_destroy_ifaces(ha); 9004ed1086e0SVikas Chaudhary 900513483730SMike Christie if ((!ql4xdisablesysfsboot) && ha->boot_kset) 90062a991c21SManish Rangankar iscsi_boot_destroy_kset(ha->boot_kset); 90072a991c21SManish Rangankar 900813483730SMike Christie qla4xxx_destroy_fw_ddb_session(ha); 9009068237c8STej Parkash qla4_8xxx_free_sysfs_attr(ha); 901013483730SMike Christie 90111e9e2be3SAdheer Chandravanshi qla4xxx_sysfs_ddb_remove(ha); 9012afaf5a2dSDavid Somayajulu scsi_remove_host(ha->host); 9013afaf5a2dSDavid Somayajulu 9014afaf5a2dSDavid Somayajulu qla4xxx_free_adapter(ha); 9015afaf5a2dSDavid Somayajulu 9016afaf5a2dSDavid Somayajulu scsi_host_put(ha->host); 9017afaf5a2dSDavid Somayajulu 90182232be0dSLalit Chandivade pci_disable_pcie_error_reporting(pdev); 9019f4f5df23SVikas Chaudhary pci_disable_device(pdev); 9020afaf5a2dSDavid Somayajulu } 9021afaf5a2dSDavid Somayajulu 9022afaf5a2dSDavid Somayajulu /** 9023afaf5a2dSDavid Somayajulu * qla4xxx_config_dma_addressing() - Configure OS DMA addressing method. 9024afaf5a2dSDavid Somayajulu * @ha: HA context 9025afaf5a2dSDavid Somayajulu * 9026afaf5a2dSDavid Somayajulu * At exit, the @ha's flags.enable_64bit_addressing set to indicated 9027afaf5a2dSDavid Somayajulu * supported addressing method. 9028afaf5a2dSDavid Somayajulu */ 902947975477SAdrian Bunk static void qla4xxx_config_dma_addressing(struct scsi_qla_host *ha) 9030afaf5a2dSDavid Somayajulu { 9031afaf5a2dSDavid Somayajulu int retval; 9032afaf5a2dSDavid Somayajulu 9033afaf5a2dSDavid Somayajulu /* Update our PCI device dma_mask for full 64 bit mask */ 90346a35528aSYang Hongyang if (pci_set_dma_mask(ha->pdev, DMA_BIT_MASK(64)) == 0) { 90356a35528aSYang Hongyang if (pci_set_consistent_dma_mask(ha->pdev, DMA_BIT_MASK(64))) { 9036afaf5a2dSDavid Somayajulu dev_dbg(&ha->pdev->dev, 9037afaf5a2dSDavid Somayajulu "Failed to set 64 bit PCI consistent mask; " 9038afaf5a2dSDavid Somayajulu "using 32 bit.\n"); 9039afaf5a2dSDavid Somayajulu retval = pci_set_consistent_dma_mask(ha->pdev, 9040284901a9SYang Hongyang DMA_BIT_MASK(32)); 9041afaf5a2dSDavid Somayajulu } 9042afaf5a2dSDavid Somayajulu } else 9043284901a9SYang Hongyang retval = pci_set_dma_mask(ha->pdev, DMA_BIT_MASK(32)); 9044afaf5a2dSDavid Somayajulu } 9045afaf5a2dSDavid Somayajulu 9046afaf5a2dSDavid Somayajulu static int qla4xxx_slave_alloc(struct scsi_device *sdev) 9047afaf5a2dSDavid Somayajulu { 9048b3a271a9SManish Rangankar struct iscsi_cls_session *cls_sess; 9049b3a271a9SManish Rangankar struct iscsi_session *sess; 9050b3a271a9SManish Rangankar struct ddb_entry *ddb; 90518bb4033dSVikas Chaudhary int queue_depth = QL4_DEF_QDEPTH; 9052afaf5a2dSDavid Somayajulu 9053b3a271a9SManish Rangankar cls_sess = starget_to_session(sdev->sdev_target); 9054b3a271a9SManish Rangankar sess = cls_sess->dd_data; 9055b3a271a9SManish Rangankar ddb = sess->dd_data; 9056b3a271a9SManish Rangankar 9057afaf5a2dSDavid Somayajulu sdev->hostdata = ddb; 90588bb4033dSVikas Chaudhary 90598bb4033dSVikas Chaudhary if (ql4xmaxqdepth != 0 && ql4xmaxqdepth <= 0xffffU) 90608bb4033dSVikas Chaudhary queue_depth = ql4xmaxqdepth; 90618bb4033dSVikas Chaudhary 9062db5ed4dfSChristoph Hellwig scsi_change_queue_depth(sdev, queue_depth); 9063afaf5a2dSDavid Somayajulu return 0; 9064afaf5a2dSDavid Somayajulu } 9065afaf5a2dSDavid Somayajulu 9066afaf5a2dSDavid Somayajulu /** 9067afaf5a2dSDavid Somayajulu * qla4xxx_del_from_active_array - returns an active srb 9068afaf5a2dSDavid Somayajulu * @ha: Pointer to host adapter structure. 9069fd589a8fSAnand Gadiyar * @index: index into the active_array 9070afaf5a2dSDavid Somayajulu * 9071afaf5a2dSDavid Somayajulu * This routine removes and returns the srb at the specified index 9072afaf5a2dSDavid Somayajulu **/ 9073f4f5df23SVikas Chaudhary struct srb *qla4xxx_del_from_active_array(struct scsi_qla_host *ha, 9074f4f5df23SVikas Chaudhary uint32_t index) 9075afaf5a2dSDavid Somayajulu { 9076afaf5a2dSDavid Somayajulu struct srb *srb = NULL; 90775369887aSVikas Chaudhary struct scsi_cmnd *cmd = NULL; 9078afaf5a2dSDavid Somayajulu 90795369887aSVikas Chaudhary cmd = scsi_host_find_tag(ha->host, index); 90805369887aSVikas Chaudhary if (!cmd) 9081afaf5a2dSDavid Somayajulu return srb; 9082afaf5a2dSDavid Somayajulu 90835369887aSVikas Chaudhary srb = (struct srb *)CMD_SP(cmd); 90845369887aSVikas Chaudhary if (!srb) 9085afaf5a2dSDavid Somayajulu return srb; 9086afaf5a2dSDavid Somayajulu 9087afaf5a2dSDavid Somayajulu /* update counters */ 9088afaf5a2dSDavid Somayajulu if (srb->flags & SRB_DMA_VALID) { 9089afaf5a2dSDavid Somayajulu ha->iocb_cnt -= srb->iocb_cnt; 9090afaf5a2dSDavid Somayajulu if (srb->cmd) 90915369887aSVikas Chaudhary srb->cmd->host_scribble = 90925369887aSVikas Chaudhary (unsigned char *)(unsigned long) MAX_SRBS; 9093afaf5a2dSDavid Somayajulu } 9094afaf5a2dSDavid Somayajulu return srb; 9095afaf5a2dSDavid Somayajulu } 9096afaf5a2dSDavid Somayajulu 9097afaf5a2dSDavid Somayajulu /** 9098afaf5a2dSDavid Somayajulu * qla4xxx_eh_wait_on_command - waits for command to be returned by firmware 909909a0f719SVikas Chaudhary * @ha: Pointer to host adapter structure. 9100afaf5a2dSDavid Somayajulu * @cmd: Scsi Command to wait on. 9101afaf5a2dSDavid Somayajulu * 9102afaf5a2dSDavid Somayajulu * This routine waits for the command to be returned by the Firmware 9103afaf5a2dSDavid Somayajulu * for some max time. 9104afaf5a2dSDavid Somayajulu **/ 9105afaf5a2dSDavid Somayajulu static int qla4xxx_eh_wait_on_command(struct scsi_qla_host *ha, 9106afaf5a2dSDavid Somayajulu struct scsi_cmnd *cmd) 9107afaf5a2dSDavid Somayajulu { 9108afaf5a2dSDavid Somayajulu int done = 0; 9109afaf5a2dSDavid Somayajulu struct srb *rp; 9110afaf5a2dSDavid Somayajulu uint32_t max_wait_time = EH_WAIT_CMD_TOV; 91112232be0dSLalit Chandivade int ret = SUCCESS; 91122232be0dSLalit Chandivade 91132232be0dSLalit Chandivade /* Dont wait on command if PCI error is being handled 91142232be0dSLalit Chandivade * by PCI AER driver 91152232be0dSLalit Chandivade */ 91162232be0dSLalit Chandivade if (unlikely(pci_channel_offline(ha->pdev)) || 91172232be0dSLalit Chandivade (test_bit(AF_EEH_BUSY, &ha->flags))) { 91182232be0dSLalit Chandivade ql4_printk(KERN_WARNING, ha, "scsi%ld: Return from %s\n", 91192232be0dSLalit Chandivade ha->host_no, __func__); 91202232be0dSLalit Chandivade return ret; 91212232be0dSLalit Chandivade } 9122afaf5a2dSDavid Somayajulu 9123afaf5a2dSDavid Somayajulu do { 9124afaf5a2dSDavid Somayajulu /* Checking to see if its returned to OS */ 91255369887aSVikas Chaudhary rp = (struct srb *) CMD_SP(cmd); 9126afaf5a2dSDavid Somayajulu if (rp == NULL) { 9127afaf5a2dSDavid Somayajulu done++; 9128afaf5a2dSDavid Somayajulu break; 9129afaf5a2dSDavid Somayajulu } 9130afaf5a2dSDavid Somayajulu 9131afaf5a2dSDavid Somayajulu msleep(2000); 9132afaf5a2dSDavid Somayajulu } while (max_wait_time--); 9133afaf5a2dSDavid Somayajulu 9134afaf5a2dSDavid Somayajulu return done; 9135afaf5a2dSDavid Somayajulu } 9136afaf5a2dSDavid Somayajulu 9137afaf5a2dSDavid Somayajulu /** 9138afaf5a2dSDavid Somayajulu * qla4xxx_wait_for_hba_online - waits for HBA to come online 9139afaf5a2dSDavid Somayajulu * @ha: Pointer to host adapter structure 9140afaf5a2dSDavid Somayajulu **/ 9141afaf5a2dSDavid Somayajulu static int qla4xxx_wait_for_hba_online(struct scsi_qla_host *ha) 9142afaf5a2dSDavid Somayajulu { 9143afaf5a2dSDavid Somayajulu unsigned long wait_online; 9144afaf5a2dSDavid Somayajulu 9145f581a3f7SVikas Chaudhary wait_online = jiffies + (HBA_ONLINE_TOV * HZ); 9146afaf5a2dSDavid Somayajulu while (time_before(jiffies, wait_online)) { 9147afaf5a2dSDavid Somayajulu 9148afaf5a2dSDavid Somayajulu if (adapter_up(ha)) 9149afaf5a2dSDavid Somayajulu return QLA_SUCCESS; 9150afaf5a2dSDavid Somayajulu 9151afaf5a2dSDavid Somayajulu msleep(2000); 9152afaf5a2dSDavid Somayajulu } 9153afaf5a2dSDavid Somayajulu 9154afaf5a2dSDavid Somayajulu return QLA_ERROR; 9155afaf5a2dSDavid Somayajulu } 9156afaf5a2dSDavid Somayajulu 9157afaf5a2dSDavid Somayajulu /** 9158ce545039SMike Christie * qla4xxx_eh_wait_for_commands - wait for active cmds to finish. 9159fd589a8fSAnand Gadiyar * @ha: pointer to HBA 9160afaf5a2dSDavid Somayajulu * @t: target id 9161afaf5a2dSDavid Somayajulu * @l: lun id 9162afaf5a2dSDavid Somayajulu * 9163afaf5a2dSDavid Somayajulu * This function waits for all outstanding commands to a lun to complete. It 9164afaf5a2dSDavid Somayajulu * returns 0 if all pending commands are returned and 1 otherwise. 9165afaf5a2dSDavid Somayajulu **/ 9166ce545039SMike Christie static int qla4xxx_eh_wait_for_commands(struct scsi_qla_host *ha, 9167ce545039SMike Christie struct scsi_target *stgt, 9168ce545039SMike Christie struct scsi_device *sdev) 9169afaf5a2dSDavid Somayajulu { 9170afaf5a2dSDavid Somayajulu int cnt; 9171afaf5a2dSDavid Somayajulu int status = 0; 9172afaf5a2dSDavid Somayajulu struct scsi_cmnd *cmd; 9173afaf5a2dSDavid Somayajulu 9174afaf5a2dSDavid Somayajulu /* 9175ce545039SMike Christie * Waiting for all commands for the designated target or dev 9176ce545039SMike Christie * in the active array 9177afaf5a2dSDavid Somayajulu */ 9178afaf5a2dSDavid Somayajulu for (cnt = 0; cnt < ha->host->can_queue; cnt++) { 9179afaf5a2dSDavid Somayajulu cmd = scsi_host_find_tag(ha->host, cnt); 9180ce545039SMike Christie if (cmd && stgt == scsi_target(cmd->device) && 9181ce545039SMike Christie (!sdev || sdev == cmd->device)) { 9182afaf5a2dSDavid Somayajulu if (!qla4xxx_eh_wait_on_command(ha, cmd)) { 9183afaf5a2dSDavid Somayajulu status++; 9184afaf5a2dSDavid Somayajulu break; 9185afaf5a2dSDavid Somayajulu } 9186afaf5a2dSDavid Somayajulu } 9187afaf5a2dSDavid Somayajulu } 9188afaf5a2dSDavid Somayajulu return status; 9189afaf5a2dSDavid Somayajulu } 9190afaf5a2dSDavid Somayajulu 9191afaf5a2dSDavid Somayajulu /** 919209a0f719SVikas Chaudhary * qla4xxx_eh_abort - callback for abort task. 919309a0f719SVikas Chaudhary * @cmd: Pointer to Linux's SCSI command structure 919409a0f719SVikas Chaudhary * 919509a0f719SVikas Chaudhary * This routine is called by the Linux OS to abort the specified 919609a0f719SVikas Chaudhary * command. 919709a0f719SVikas Chaudhary **/ 919809a0f719SVikas Chaudhary static int qla4xxx_eh_abort(struct scsi_cmnd *cmd) 919909a0f719SVikas Chaudhary { 920009a0f719SVikas Chaudhary struct scsi_qla_host *ha = to_qla_host(cmd->device->host); 920109a0f719SVikas Chaudhary unsigned int id = cmd->device->id; 92029cb78c16SHannes Reinecke uint64_t lun = cmd->device->lun; 920392b3e5bbSMike Christie unsigned long flags; 920409a0f719SVikas Chaudhary struct srb *srb = NULL; 920509a0f719SVikas Chaudhary int ret = SUCCESS; 920609a0f719SVikas Chaudhary int wait = 0; 92071bc5ad3aSManish Rangankar int rval; 920809a0f719SVikas Chaudhary 92099cb78c16SHannes Reinecke ql4_printk(KERN_INFO, ha, "scsi%ld:%d:%llu: Abort command issued cmd=%p, cdb=0x%x\n", 921063c9e814SVikas Chaudhary ha->host_no, id, lun, cmd, cmd->cmnd[0]); 921109a0f719SVikas Chaudhary 92121bc5ad3aSManish Rangankar rval = qla4xxx_isp_check_reg(ha); 92131bc5ad3aSManish Rangankar if (rval != QLA_SUCCESS) { 92141bc5ad3aSManish Rangankar ql4_printk(KERN_INFO, ha, "PCI/Register disconnect, exiting.\n"); 92151bc5ad3aSManish Rangankar return FAILED; 92161bc5ad3aSManish Rangankar } 92171bc5ad3aSManish Rangankar 921892b3e5bbSMike Christie spin_lock_irqsave(&ha->hardware_lock, flags); 921909a0f719SVikas Chaudhary srb = (struct srb *) CMD_SP(cmd); 922092b3e5bbSMike Christie if (!srb) { 922192b3e5bbSMike Christie spin_unlock_irqrestore(&ha->hardware_lock, flags); 92229cb78c16SHannes Reinecke ql4_printk(KERN_INFO, ha, "scsi%ld:%d:%llu: Specified command has already completed.\n", 922363c9e814SVikas Chaudhary ha->host_no, id, lun); 922409a0f719SVikas Chaudhary return SUCCESS; 922592b3e5bbSMike Christie } 922609a0f719SVikas Chaudhary kref_get(&srb->srb_ref); 922792b3e5bbSMike Christie spin_unlock_irqrestore(&ha->hardware_lock, flags); 922809a0f719SVikas Chaudhary 922909a0f719SVikas Chaudhary if (qla4xxx_abort_task(ha, srb) != QLA_SUCCESS) { 92309cb78c16SHannes Reinecke DEBUG3(printk("scsi%ld:%d:%llu: Abort_task mbx failed.\n", 923109a0f719SVikas Chaudhary ha->host_no, id, lun)); 923209a0f719SVikas Chaudhary ret = FAILED; 923309a0f719SVikas Chaudhary } else { 92349cb78c16SHannes Reinecke DEBUG3(printk("scsi%ld:%d:%llu: Abort_task mbx success.\n", 923509a0f719SVikas Chaudhary ha->host_no, id, lun)); 923609a0f719SVikas Chaudhary wait = 1; 923709a0f719SVikas Chaudhary } 923809a0f719SVikas Chaudhary 923909a0f719SVikas Chaudhary kref_put(&srb->srb_ref, qla4xxx_srb_compl); 924009a0f719SVikas Chaudhary 924109a0f719SVikas Chaudhary /* Wait for command to complete */ 924209a0f719SVikas Chaudhary if (wait) { 924309a0f719SVikas Chaudhary if (!qla4xxx_eh_wait_on_command(ha, cmd)) { 92449cb78c16SHannes Reinecke DEBUG2(printk("scsi%ld:%d:%llu: Abort handler timed out\n", 924509a0f719SVikas Chaudhary ha->host_no, id, lun)); 924609a0f719SVikas Chaudhary ret = FAILED; 924709a0f719SVikas Chaudhary } 924809a0f719SVikas Chaudhary } 924909a0f719SVikas Chaudhary 9250c2660df3SVikas Chaudhary ql4_printk(KERN_INFO, ha, 92519cb78c16SHannes Reinecke "scsi%ld:%d:%llu: Abort command - %s\n", 925225985edcSLucas De Marchi ha->host_no, id, lun, (ret == SUCCESS) ? "succeeded" : "failed"); 925309a0f719SVikas Chaudhary 925409a0f719SVikas Chaudhary return ret; 925509a0f719SVikas Chaudhary } 925609a0f719SVikas Chaudhary 925709a0f719SVikas Chaudhary /** 9258afaf5a2dSDavid Somayajulu * qla4xxx_eh_device_reset - callback for target reset. 9259afaf5a2dSDavid Somayajulu * @cmd: Pointer to Linux's SCSI command structure 9260afaf5a2dSDavid Somayajulu * 9261afaf5a2dSDavid Somayajulu * This routine is called by the Linux OS to reset all luns on the 9262afaf5a2dSDavid Somayajulu * specified target. 9263afaf5a2dSDavid Somayajulu **/ 9264afaf5a2dSDavid Somayajulu static int qla4xxx_eh_device_reset(struct scsi_cmnd *cmd) 9265afaf5a2dSDavid Somayajulu { 9266afaf5a2dSDavid Somayajulu struct scsi_qla_host *ha = to_qla_host(cmd->device->host); 9267afaf5a2dSDavid Somayajulu struct ddb_entry *ddb_entry = cmd->device->hostdata; 9268afaf5a2dSDavid Somayajulu int ret = FAILED, stat; 92691bc5ad3aSManish Rangankar int rval; 9270afaf5a2dSDavid Somayajulu 9271612f7348SKaren Higgins if (!ddb_entry) 9272afaf5a2dSDavid Somayajulu return ret; 9273afaf5a2dSDavid Somayajulu 9274c01be6dcSMike Christie ret = iscsi_block_scsi_eh(cmd); 9275c01be6dcSMike Christie if (ret) 9276c01be6dcSMike Christie return ret; 9277c01be6dcSMike Christie ret = FAILED; 9278c01be6dcSMike Christie 9279c2660df3SVikas Chaudhary ql4_printk(KERN_INFO, ha, 92809cb78c16SHannes Reinecke "scsi%ld:%d:%d:%llu: DEVICE RESET ISSUED.\n", ha->host_no, 9281afaf5a2dSDavid Somayajulu cmd->device->channel, cmd->device->id, cmd->device->lun); 9282afaf5a2dSDavid Somayajulu 9283afaf5a2dSDavid Somayajulu DEBUG2(printk(KERN_INFO 9284afaf5a2dSDavid Somayajulu "scsi%ld: DEVICE_RESET cmd=%p jiffies = 0x%lx, to=%x," 9285afaf5a2dSDavid Somayajulu "dpc_flags=%lx, status=%x allowed=%d\n", ha->host_no, 9286242f9dcbSJens Axboe cmd, jiffies, cmd->request->timeout / HZ, 9287afaf5a2dSDavid Somayajulu ha->dpc_flags, cmd->result, cmd->allowed)); 9288afaf5a2dSDavid Somayajulu 92891bc5ad3aSManish Rangankar rval = qla4xxx_isp_check_reg(ha); 92901bc5ad3aSManish Rangankar if (rval != QLA_SUCCESS) { 92911bc5ad3aSManish Rangankar ql4_printk(KERN_INFO, ha, "PCI/Register disconnect, exiting.\n"); 92921bc5ad3aSManish Rangankar return FAILED; 92931bc5ad3aSManish Rangankar } 92941bc5ad3aSManish Rangankar 9295afaf5a2dSDavid Somayajulu /* FIXME: wait for hba to go online */ 9296afaf5a2dSDavid Somayajulu stat = qla4xxx_reset_lun(ha, ddb_entry, cmd->device->lun); 9297afaf5a2dSDavid Somayajulu if (stat != QLA_SUCCESS) { 9298c2660df3SVikas Chaudhary ql4_printk(KERN_INFO, ha, "DEVICE RESET FAILED. %d\n", stat); 9299afaf5a2dSDavid Somayajulu goto eh_dev_reset_done; 9300afaf5a2dSDavid Somayajulu } 9301afaf5a2dSDavid Somayajulu 9302ce545039SMike Christie if (qla4xxx_eh_wait_for_commands(ha, scsi_target(cmd->device), 9303ce545039SMike Christie cmd->device)) { 9304c2660df3SVikas Chaudhary ql4_printk(KERN_INFO, ha, 9305afaf5a2dSDavid Somayajulu "DEVICE RESET FAILED - waiting for " 9306afaf5a2dSDavid Somayajulu "commands.\n"); 9307afaf5a2dSDavid Somayajulu goto eh_dev_reset_done; 9308afaf5a2dSDavid Somayajulu } 9309afaf5a2dSDavid Somayajulu 93109d562913SDavid C Somayajulu /* Send marker. */ 93119d562913SDavid C Somayajulu if (qla4xxx_send_marker_iocb(ha, ddb_entry, cmd->device->lun, 93129d562913SDavid C Somayajulu MM_LUN_RESET) != QLA_SUCCESS) 93139d562913SDavid C Somayajulu goto eh_dev_reset_done; 93149d562913SDavid C Somayajulu 9315c2660df3SVikas Chaudhary ql4_printk(KERN_INFO, ha, 93169cb78c16SHannes Reinecke "scsi(%ld:%d:%d:%llu): DEVICE RESET SUCCEEDED.\n", 9317afaf5a2dSDavid Somayajulu ha->host_no, cmd->device->channel, cmd->device->id, 9318afaf5a2dSDavid Somayajulu cmd->device->lun); 9319afaf5a2dSDavid Somayajulu 9320afaf5a2dSDavid Somayajulu ret = SUCCESS; 9321afaf5a2dSDavid Somayajulu 9322afaf5a2dSDavid Somayajulu eh_dev_reset_done: 9323afaf5a2dSDavid Somayajulu 9324afaf5a2dSDavid Somayajulu return ret; 9325afaf5a2dSDavid Somayajulu } 9326afaf5a2dSDavid Somayajulu 9327afaf5a2dSDavid Somayajulu /** 9328ce545039SMike Christie * qla4xxx_eh_target_reset - callback for target reset. 9329ce545039SMike Christie * @cmd: Pointer to Linux's SCSI command structure 9330ce545039SMike Christie * 9331ce545039SMike Christie * This routine is called by the Linux OS to reset the target. 9332ce545039SMike Christie **/ 9333ce545039SMike Christie static int qla4xxx_eh_target_reset(struct scsi_cmnd *cmd) 9334ce545039SMike Christie { 9335ce545039SMike Christie struct scsi_qla_host *ha = to_qla_host(cmd->device->host); 9336ce545039SMike Christie struct ddb_entry *ddb_entry = cmd->device->hostdata; 9337c01be6dcSMike Christie int stat, ret; 93381bc5ad3aSManish Rangankar int rval; 9339ce545039SMike Christie 9340ce545039SMike Christie if (!ddb_entry) 9341ce545039SMike Christie return FAILED; 9342ce545039SMike Christie 9343c01be6dcSMike Christie ret = iscsi_block_scsi_eh(cmd); 9344c01be6dcSMike Christie if (ret) 9345c01be6dcSMike Christie return ret; 9346c01be6dcSMike Christie 9347ce545039SMike Christie starget_printk(KERN_INFO, scsi_target(cmd->device), 9348ce545039SMike Christie "WARM TARGET RESET ISSUED.\n"); 9349ce545039SMike Christie 9350ce545039SMike Christie DEBUG2(printk(KERN_INFO 9351ce545039SMike Christie "scsi%ld: TARGET_DEVICE_RESET cmd=%p jiffies = 0x%lx, " 9352ce545039SMike Christie "to=%x,dpc_flags=%lx, status=%x allowed=%d\n", 9353242f9dcbSJens Axboe ha->host_no, cmd, jiffies, cmd->request->timeout / HZ, 9354ce545039SMike Christie ha->dpc_flags, cmd->result, cmd->allowed)); 9355ce545039SMike Christie 93561bc5ad3aSManish Rangankar rval = qla4xxx_isp_check_reg(ha); 93571bc5ad3aSManish Rangankar if (rval != QLA_SUCCESS) { 93581bc5ad3aSManish Rangankar ql4_printk(KERN_INFO, ha, "PCI/Register disconnect, exiting.\n"); 93591bc5ad3aSManish Rangankar return FAILED; 93601bc5ad3aSManish Rangankar } 93611bc5ad3aSManish Rangankar 9362ce545039SMike Christie stat = qla4xxx_reset_target(ha, ddb_entry); 9363ce545039SMike Christie if (stat != QLA_SUCCESS) { 9364ce545039SMike Christie starget_printk(KERN_INFO, scsi_target(cmd->device), 9365ce545039SMike Christie "WARM TARGET RESET FAILED.\n"); 9366ce545039SMike Christie return FAILED; 9367ce545039SMike Christie } 9368ce545039SMike Christie 9369ce545039SMike Christie if (qla4xxx_eh_wait_for_commands(ha, scsi_target(cmd->device), 9370ce545039SMike Christie NULL)) { 9371ce545039SMike Christie starget_printk(KERN_INFO, scsi_target(cmd->device), 9372ce545039SMike Christie "WARM TARGET DEVICE RESET FAILED - " 9373ce545039SMike Christie "waiting for commands.\n"); 9374ce545039SMike Christie return FAILED; 9375ce545039SMike Christie } 9376ce545039SMike Christie 93779d562913SDavid C Somayajulu /* Send marker. */ 93789d562913SDavid C Somayajulu if (qla4xxx_send_marker_iocb(ha, ddb_entry, cmd->device->lun, 93799d562913SDavid C Somayajulu MM_TGT_WARM_RESET) != QLA_SUCCESS) { 93809d562913SDavid C Somayajulu starget_printk(KERN_INFO, scsi_target(cmd->device), 93819d562913SDavid C Somayajulu "WARM TARGET DEVICE RESET FAILED - " 93829d562913SDavid C Somayajulu "marker iocb failed.\n"); 93839d562913SDavid C Somayajulu return FAILED; 93849d562913SDavid C Somayajulu } 93859d562913SDavid C Somayajulu 9386ce545039SMike Christie starget_printk(KERN_INFO, scsi_target(cmd->device), 9387ce545039SMike Christie "WARM TARGET RESET SUCCEEDED.\n"); 9388ce545039SMike Christie return SUCCESS; 9389ce545039SMike Christie } 9390ce545039SMike Christie 9391ce545039SMike Christie /** 93928a288960SSarang Radke * qla4xxx_is_eh_active - check if error handler is running 93938a288960SSarang Radke * @shost: Pointer to SCSI Host struct 93948a288960SSarang Radke * 93958a288960SSarang Radke * This routine finds that if reset host is called in EH 93968a288960SSarang Radke * scenario or from some application like sg_reset 93978a288960SSarang Radke **/ 93988a288960SSarang Radke static int qla4xxx_is_eh_active(struct Scsi_Host *shost) 93998a288960SSarang Radke { 94008a288960SSarang Radke if (shost->shost_state == SHOST_RECOVERY) 94018a288960SSarang Radke return 1; 94028a288960SSarang Radke return 0; 94038a288960SSarang Radke } 94048a288960SSarang Radke 94058a288960SSarang Radke /** 9406afaf5a2dSDavid Somayajulu * qla4xxx_eh_host_reset - kernel callback 9407afaf5a2dSDavid Somayajulu * @cmd: Pointer to Linux's SCSI command structure 9408afaf5a2dSDavid Somayajulu * 9409afaf5a2dSDavid Somayajulu * This routine is invoked by the Linux kernel to perform fatal error 9410afaf5a2dSDavid Somayajulu * recovery on the specified adapter. 9411afaf5a2dSDavid Somayajulu **/ 9412afaf5a2dSDavid Somayajulu static int qla4xxx_eh_host_reset(struct scsi_cmnd *cmd) 9413afaf5a2dSDavid Somayajulu { 9414afaf5a2dSDavid Somayajulu int return_status = FAILED; 9415afaf5a2dSDavid Somayajulu struct scsi_qla_host *ha; 94161bc5ad3aSManish Rangankar int rval; 9417afaf5a2dSDavid Somayajulu 9418b3a271a9SManish Rangankar ha = to_qla_host(cmd->device->host); 9419afaf5a2dSDavid Somayajulu 94201bc5ad3aSManish Rangankar rval = qla4xxx_isp_check_reg(ha); 94211bc5ad3aSManish Rangankar if (rval != QLA_SUCCESS) { 94221bc5ad3aSManish Rangankar ql4_printk(KERN_INFO, ha, "PCI/Register disconnect, exiting.\n"); 94231bc5ad3aSManish Rangankar return FAILED; 94241bc5ad3aSManish Rangankar } 94251bc5ad3aSManish Rangankar 9426b37ca418SVikas Chaudhary if ((is_qla8032(ha) || is_qla8042(ha)) && ql4xdontresethba) 94276e7b4292SVikas Chaudhary qla4_83xx_set_idc_dontreset(ha); 94286e7b4292SVikas Chaudhary 94296e7b4292SVikas Chaudhary /* 9430b37ca418SVikas Chaudhary * For ISP8324 and ISP8042, if IDC_CTRL DONTRESET_BIT0 is set by other 9431b37ca418SVikas Chaudhary * protocol drivers, we should not set device_state to NEED_RESET 94326e7b4292SVikas Chaudhary */ 94336e7b4292SVikas Chaudhary if (ql4xdontresethba || 9434b37ca418SVikas Chaudhary ((is_qla8032(ha) || is_qla8042(ha)) && 9435b37ca418SVikas Chaudhary qla4_83xx_idc_dontreset(ha))) { 9436f4f5df23SVikas Chaudhary DEBUG2(printk("scsi%ld: %s: Don't Reset HBA\n", 9437f4f5df23SVikas Chaudhary ha->host_no, __func__)); 94388a288960SSarang Radke 94398a288960SSarang Radke /* Clear outstanding srb in queues */ 94408a288960SSarang Radke if (qla4xxx_is_eh_active(cmd->device->host)) 94418a288960SSarang Radke qla4xxx_abort_active_cmds(ha, DID_ABORT << 16); 94428a288960SSarang Radke 9443f4f5df23SVikas Chaudhary return FAILED; 9444f4f5df23SVikas Chaudhary } 9445f4f5df23SVikas Chaudhary 9446c2660df3SVikas Chaudhary ql4_printk(KERN_INFO, ha, 94479cb78c16SHannes Reinecke "scsi(%ld:%d:%d:%llu): HOST RESET ISSUED.\n", ha->host_no, 9448afaf5a2dSDavid Somayajulu cmd->device->channel, cmd->device->id, cmd->device->lun); 9449afaf5a2dSDavid Somayajulu 9450afaf5a2dSDavid Somayajulu if (qla4xxx_wait_for_hba_online(ha) != QLA_SUCCESS) { 9451afaf5a2dSDavid Somayajulu DEBUG2(printk("scsi%ld:%d: %s: Unable to reset host. Adapter " 9452afaf5a2dSDavid Somayajulu "DEAD.\n", ha->host_no, cmd->device->channel, 9453afaf5a2dSDavid Somayajulu __func__)); 9454afaf5a2dSDavid Somayajulu 9455afaf5a2dSDavid Somayajulu return FAILED; 9456afaf5a2dSDavid Somayajulu } 9457afaf5a2dSDavid Somayajulu 9458f4f5df23SVikas Chaudhary if (!test_bit(DPC_RESET_HA, &ha->dpc_flags)) { 94596e7b4292SVikas Chaudhary if (is_qla80XX(ha)) 9460f4f5df23SVikas Chaudhary set_bit(DPC_RESET_HA_FW_CONTEXT, &ha->dpc_flags); 9461f4f5df23SVikas Chaudhary else 9462f4f5df23SVikas Chaudhary set_bit(DPC_RESET_HA, &ha->dpc_flags); 9463f4f5df23SVikas Chaudhary } 946450a29aecSMike Christie 9465f4f5df23SVikas Chaudhary if (qla4xxx_recover_adapter(ha) == QLA_SUCCESS) 9466afaf5a2dSDavid Somayajulu return_status = SUCCESS; 9467afaf5a2dSDavid Somayajulu 9468c2660df3SVikas Chaudhary ql4_printk(KERN_INFO, ha, "HOST RESET %s.\n", 946925985edcSLucas De Marchi return_status == FAILED ? "FAILED" : "SUCCEEDED"); 9470afaf5a2dSDavid Somayajulu 9471afaf5a2dSDavid Somayajulu return return_status; 9472afaf5a2dSDavid Somayajulu } 9473afaf5a2dSDavid Somayajulu 947495d31262SVikas Chaudhary static int qla4xxx_context_reset(struct scsi_qla_host *ha) 947595d31262SVikas Chaudhary { 947695d31262SVikas Chaudhary uint32_t mbox_cmd[MBOX_REG_COUNT]; 947795d31262SVikas Chaudhary uint32_t mbox_sts[MBOX_REG_COUNT]; 947895d31262SVikas Chaudhary struct addr_ctrl_blk_def *acb = NULL; 947995d31262SVikas Chaudhary uint32_t acb_len = sizeof(struct addr_ctrl_blk_def); 948095d31262SVikas Chaudhary int rval = QLA_SUCCESS; 948195d31262SVikas Chaudhary dma_addr_t acb_dma; 948295d31262SVikas Chaudhary 948395d31262SVikas Chaudhary acb = dma_alloc_coherent(&ha->pdev->dev, 948495d31262SVikas Chaudhary sizeof(struct addr_ctrl_blk_def), 948595d31262SVikas Chaudhary &acb_dma, GFP_KERNEL); 948695d31262SVikas Chaudhary if (!acb) { 948795d31262SVikas Chaudhary ql4_printk(KERN_ERR, ha, "%s: Unable to alloc acb\n", 948895d31262SVikas Chaudhary __func__); 948995d31262SVikas Chaudhary rval = -ENOMEM; 949095d31262SVikas Chaudhary goto exit_port_reset; 949195d31262SVikas Chaudhary } 949295d31262SVikas Chaudhary 949395d31262SVikas Chaudhary memset(acb, 0, acb_len); 949495d31262SVikas Chaudhary 949595d31262SVikas Chaudhary rval = qla4xxx_get_acb(ha, acb_dma, PRIMARI_ACB, acb_len); 949695d31262SVikas Chaudhary if (rval != QLA_SUCCESS) { 949795d31262SVikas Chaudhary rval = -EIO; 949895d31262SVikas Chaudhary goto exit_free_acb; 949995d31262SVikas Chaudhary } 950095d31262SVikas Chaudhary 950195d31262SVikas Chaudhary rval = qla4xxx_disable_acb(ha); 950295d31262SVikas Chaudhary if (rval != QLA_SUCCESS) { 950395d31262SVikas Chaudhary rval = -EIO; 950495d31262SVikas Chaudhary goto exit_free_acb; 950595d31262SVikas Chaudhary } 950695d31262SVikas Chaudhary 950795d31262SVikas Chaudhary wait_for_completion_timeout(&ha->disable_acb_comp, 950895d31262SVikas Chaudhary DISABLE_ACB_TOV * HZ); 950995d31262SVikas Chaudhary 951095d31262SVikas Chaudhary rval = qla4xxx_set_acb(ha, &mbox_cmd[0], &mbox_sts[0], acb_dma); 951195d31262SVikas Chaudhary if (rval != QLA_SUCCESS) { 951295d31262SVikas Chaudhary rval = -EIO; 951395d31262SVikas Chaudhary goto exit_free_acb; 951495d31262SVikas Chaudhary } 951595d31262SVikas Chaudhary 951695d31262SVikas Chaudhary exit_free_acb: 951795d31262SVikas Chaudhary dma_free_coherent(&ha->pdev->dev, sizeof(struct addr_ctrl_blk_def), 951895d31262SVikas Chaudhary acb, acb_dma); 951995d31262SVikas Chaudhary exit_port_reset: 952095d31262SVikas Chaudhary DEBUG2(ql4_printk(KERN_INFO, ha, "%s %s\n", __func__, 952195d31262SVikas Chaudhary rval == QLA_SUCCESS ? "SUCCEEDED" : "FAILED")); 952295d31262SVikas Chaudhary return rval; 952395d31262SVikas Chaudhary } 952495d31262SVikas Chaudhary 952595d31262SVikas Chaudhary static int qla4xxx_host_reset(struct Scsi_Host *shost, int reset_type) 952695d31262SVikas Chaudhary { 952795d31262SVikas Chaudhary struct scsi_qla_host *ha = to_qla_host(shost); 952895d31262SVikas Chaudhary int rval = QLA_SUCCESS; 9529ebd777deSVikas Chaudhary uint32_t idc_ctrl; 953095d31262SVikas Chaudhary 953195d31262SVikas Chaudhary if (ql4xdontresethba) { 953295d31262SVikas Chaudhary DEBUG2(ql4_printk(KERN_INFO, ha, "%s: Don't Reset HBA\n", 953395d31262SVikas Chaudhary __func__)); 953495d31262SVikas Chaudhary rval = -EPERM; 953595d31262SVikas Chaudhary goto exit_host_reset; 953695d31262SVikas Chaudhary } 953795d31262SVikas Chaudhary 953895d31262SVikas Chaudhary if (test_bit(DPC_RESET_HA, &ha->dpc_flags)) 953995d31262SVikas Chaudhary goto recover_adapter; 954095d31262SVikas Chaudhary 954195d31262SVikas Chaudhary switch (reset_type) { 954295d31262SVikas Chaudhary case SCSI_ADAPTER_RESET: 954395d31262SVikas Chaudhary set_bit(DPC_RESET_HA, &ha->dpc_flags); 954495d31262SVikas Chaudhary break; 954595d31262SVikas Chaudhary case SCSI_FIRMWARE_RESET: 954695d31262SVikas Chaudhary if (!test_bit(DPC_RESET_HA, &ha->dpc_flags)) { 95476e7b4292SVikas Chaudhary if (is_qla80XX(ha)) 954895d31262SVikas Chaudhary /* set firmware context reset */ 954995d31262SVikas Chaudhary set_bit(DPC_RESET_HA_FW_CONTEXT, 955095d31262SVikas Chaudhary &ha->dpc_flags); 955195d31262SVikas Chaudhary else { 955295d31262SVikas Chaudhary rval = qla4xxx_context_reset(ha); 955395d31262SVikas Chaudhary goto exit_host_reset; 955495d31262SVikas Chaudhary } 955595d31262SVikas Chaudhary } 955695d31262SVikas Chaudhary break; 955795d31262SVikas Chaudhary } 955895d31262SVikas Chaudhary 955995d31262SVikas Chaudhary recover_adapter: 9560b37ca418SVikas Chaudhary /* For ISP8324 and ISP8042 set graceful reset bit in IDC_DRV_CTRL if 9561ebd777deSVikas Chaudhary * reset is issued by application */ 9562b37ca418SVikas Chaudhary if ((is_qla8032(ha) || is_qla8042(ha)) && 9563b37ca418SVikas Chaudhary test_bit(DPC_RESET_HA, &ha->dpc_flags)) { 9564ebd777deSVikas Chaudhary idc_ctrl = qla4_83xx_rd_reg(ha, QLA83XX_IDC_DRV_CTRL); 9565ebd777deSVikas Chaudhary qla4_83xx_wr_reg(ha, QLA83XX_IDC_DRV_CTRL, 9566ebd777deSVikas Chaudhary (idc_ctrl | GRACEFUL_RESET_BIT1)); 9567ebd777deSVikas Chaudhary } 9568ebd777deSVikas Chaudhary 956995d31262SVikas Chaudhary rval = qla4xxx_recover_adapter(ha); 957095d31262SVikas Chaudhary if (rval != QLA_SUCCESS) { 957195d31262SVikas Chaudhary DEBUG2(ql4_printk(KERN_INFO, ha, "%s: recover adapter fail\n", 957295d31262SVikas Chaudhary __func__)); 957395d31262SVikas Chaudhary rval = -EIO; 957495d31262SVikas Chaudhary } 957595d31262SVikas Chaudhary 957695d31262SVikas Chaudhary exit_host_reset: 957795d31262SVikas Chaudhary return rval; 957895d31262SVikas Chaudhary } 957995d31262SVikas Chaudhary 95802232be0dSLalit Chandivade /* PCI AER driver recovers from all correctable errors w/o 95812232be0dSLalit Chandivade * driver intervention. For uncorrectable errors PCI AER 95822232be0dSLalit Chandivade * driver calls the following device driver's callbacks 95832232be0dSLalit Chandivade * 95842232be0dSLalit Chandivade * - Fatal Errors - link_reset 9585364757e4SCao jin * - Non-Fatal Errors - driver's error_detected() which 95862232be0dSLalit Chandivade * returns CAN_RECOVER, NEED_RESET or DISCONNECT. 95872232be0dSLalit Chandivade * 95882232be0dSLalit Chandivade * PCI AER driver calls 9589364757e4SCao jin * CAN_RECOVER - driver's mmio_enabled(), mmio_enabled() 95902232be0dSLalit Chandivade * returns RECOVERED or NEED_RESET if fw_hung 95912232be0dSLalit Chandivade * NEED_RESET - driver's slot_reset() 95922232be0dSLalit Chandivade * DISCONNECT - device is dead & cannot recover 9593364757e4SCao jin * RECOVERED - driver's resume() 95942232be0dSLalit Chandivade */ 95952232be0dSLalit Chandivade static pci_ers_result_t 95962232be0dSLalit Chandivade qla4xxx_pci_error_detected(struct pci_dev *pdev, pci_channel_state_t state) 95972232be0dSLalit Chandivade { 95982232be0dSLalit Chandivade struct scsi_qla_host *ha = pci_get_drvdata(pdev); 95992232be0dSLalit Chandivade 96002232be0dSLalit Chandivade ql4_printk(KERN_WARNING, ha, "scsi%ld: %s: error detected:state %x\n", 96012232be0dSLalit Chandivade ha->host_no, __func__, state); 96022232be0dSLalit Chandivade 96032232be0dSLalit Chandivade if (!is_aer_supported(ha)) 96042232be0dSLalit Chandivade return PCI_ERS_RESULT_NONE; 96052232be0dSLalit Chandivade 96062232be0dSLalit Chandivade switch (state) { 96072232be0dSLalit Chandivade case pci_channel_io_normal: 96082232be0dSLalit Chandivade clear_bit(AF_EEH_BUSY, &ha->flags); 96092232be0dSLalit Chandivade return PCI_ERS_RESULT_CAN_RECOVER; 96102232be0dSLalit Chandivade case pci_channel_io_frozen: 96112232be0dSLalit Chandivade set_bit(AF_EEH_BUSY, &ha->flags); 96122232be0dSLalit Chandivade qla4xxx_mailbox_premature_completion(ha); 96132232be0dSLalit Chandivade qla4xxx_free_irqs(ha); 96142232be0dSLalit Chandivade pci_disable_device(pdev); 96157b3595dfSVikas Chaudhary /* Return back all IOs */ 96167b3595dfSVikas Chaudhary qla4xxx_abort_active_cmds(ha, DID_RESET << 16); 96172232be0dSLalit Chandivade return PCI_ERS_RESULT_NEED_RESET; 96182232be0dSLalit Chandivade case pci_channel_io_perm_failure: 96192232be0dSLalit Chandivade set_bit(AF_EEH_BUSY, &ha->flags); 96202232be0dSLalit Chandivade set_bit(AF_PCI_CHANNEL_IO_PERM_FAILURE, &ha->flags); 96212232be0dSLalit Chandivade qla4xxx_abort_active_cmds(ha, DID_NO_CONNECT << 16); 96222232be0dSLalit Chandivade return PCI_ERS_RESULT_DISCONNECT; 96232232be0dSLalit Chandivade } 96242232be0dSLalit Chandivade return PCI_ERS_RESULT_NEED_RESET; 96252232be0dSLalit Chandivade } 96262232be0dSLalit Chandivade 96272232be0dSLalit Chandivade /** 96282232be0dSLalit Chandivade * qla4xxx_pci_mmio_enabled() gets called if 96292232be0dSLalit Chandivade * qla4xxx_pci_error_detected() returns PCI_ERS_RESULT_CAN_RECOVER 96302232be0dSLalit Chandivade * and read/write to the device still works. 96312232be0dSLalit Chandivade **/ 96322232be0dSLalit Chandivade static pci_ers_result_t 96332232be0dSLalit Chandivade qla4xxx_pci_mmio_enabled(struct pci_dev *pdev) 96342232be0dSLalit Chandivade { 96352232be0dSLalit Chandivade struct scsi_qla_host *ha = pci_get_drvdata(pdev); 96362232be0dSLalit Chandivade 96372232be0dSLalit Chandivade if (!is_aer_supported(ha)) 96382232be0dSLalit Chandivade return PCI_ERS_RESULT_NONE; 96392232be0dSLalit Chandivade 96402232be0dSLalit Chandivade return PCI_ERS_RESULT_RECOVERED; 96412232be0dSLalit Chandivade } 96422232be0dSLalit Chandivade 96437b3595dfSVikas Chaudhary static uint32_t qla4_8xxx_error_recovery(struct scsi_qla_host *ha) 96442232be0dSLalit Chandivade { 96452232be0dSLalit Chandivade uint32_t rval = QLA_ERROR; 96462232be0dSLalit Chandivade int fn; 96472232be0dSLalit Chandivade struct pci_dev *other_pdev = NULL; 96482232be0dSLalit Chandivade 96492232be0dSLalit Chandivade ql4_printk(KERN_WARNING, ha, "scsi%ld: In %s\n", ha->host_no, __func__); 96502232be0dSLalit Chandivade 96512232be0dSLalit Chandivade set_bit(DPC_RESET_ACTIVE, &ha->dpc_flags); 96522232be0dSLalit Chandivade 96532232be0dSLalit Chandivade if (test_bit(AF_ONLINE, &ha->flags)) { 96542232be0dSLalit Chandivade clear_bit(AF_ONLINE, &ha->flags); 9655b3a271a9SManish Rangankar clear_bit(AF_LINK_UP, &ha->flags); 9656b3a271a9SManish Rangankar iscsi_host_for_each_session(ha->host, qla4xxx_fail_session); 96572232be0dSLalit Chandivade qla4xxx_process_aen(ha, FLUSH_DDB_CHANGED_AENS); 96582232be0dSLalit Chandivade } 96592232be0dSLalit Chandivade 96602232be0dSLalit Chandivade fn = PCI_FUNC(ha->pdev->devfn); 9661daa34eb4STej Parkash if (is_qla8022(ha)) { 96622232be0dSLalit Chandivade while (fn > 0) { 96632232be0dSLalit Chandivade fn--; 9664daa34eb4STej Parkash ql4_printk(KERN_INFO, ha, "scsi%ld: %s: Finding PCI device at func %x\n", 9665daa34eb4STej Parkash ha->host_no, __func__, fn); 96662232be0dSLalit Chandivade /* Get the pci device given the domain, bus, 96672232be0dSLalit Chandivade * slot/function number */ 9668daa34eb4STej Parkash other_pdev = pci_get_domain_bus_and_slot( 9669daa34eb4STej Parkash pci_domain_nr(ha->pdev->bus), 9670daa34eb4STej Parkash ha->pdev->bus->number, 9671daa34eb4STej Parkash PCI_DEVFN(PCI_SLOT(ha->pdev->devfn), 96722232be0dSLalit Chandivade fn)); 96732232be0dSLalit Chandivade 96742232be0dSLalit Chandivade if (!other_pdev) 96752232be0dSLalit Chandivade continue; 96762232be0dSLalit Chandivade 96772232be0dSLalit Chandivade if (atomic_read(&other_pdev->enable_cnt)) { 9678daa34eb4STej Parkash ql4_printk(KERN_INFO, ha, "scsi%ld: %s: Found PCI func in enabled state%x\n", 9679daa34eb4STej Parkash ha->host_no, __func__, fn); 96802232be0dSLalit Chandivade pci_dev_put(other_pdev); 96812232be0dSLalit Chandivade break; 96822232be0dSLalit Chandivade } 96832232be0dSLalit Chandivade pci_dev_put(other_pdev); 96842232be0dSLalit Chandivade } 9685daa34eb4STej Parkash } else { 9686daa34eb4STej Parkash /* this case is meant for ISP83xx/ISP84xx only */ 9687daa34eb4STej Parkash if (qla4_83xx_can_perform_reset(ha)) { 9688daa34eb4STej Parkash /* reset fn as iSCSI is going to perform the reset */ 9689daa34eb4STej Parkash fn = 0; 9690daa34eb4STej Parkash } 9691daa34eb4STej Parkash } 96922232be0dSLalit Chandivade 96932232be0dSLalit Chandivade /* The first function on the card, the reset owner will 96942232be0dSLalit Chandivade * start & initialize the firmware. The other functions 96952232be0dSLalit Chandivade * on the card will reset the firmware context 96962232be0dSLalit Chandivade */ 96972232be0dSLalit Chandivade if (!fn) { 96982232be0dSLalit Chandivade ql4_printk(KERN_INFO, ha, "scsi%ld: %s: devfn being reset " 96992232be0dSLalit Chandivade "0x%x is the owner\n", ha->host_no, __func__, 97002232be0dSLalit Chandivade ha->pdev->devfn); 97012232be0dSLalit Chandivade 970233693c7aSVikas Chaudhary ha->isp_ops->idc_lock(ha); 970333693c7aSVikas Chaudhary qla4_8xxx_wr_direct(ha, QLA8XXX_CRB_DEV_STATE, 9704de8c72daSVikas Chaudhary QLA8XXX_DEV_COLD); 970533693c7aSVikas Chaudhary ha->isp_ops->idc_unlock(ha); 97062232be0dSLalit Chandivade 970739c95826SVikas Chaudhary rval = qla4_8xxx_update_idc_reg(ha); 970839c95826SVikas Chaudhary if (rval == QLA_ERROR) { 970939c95826SVikas Chaudhary ql4_printk(KERN_INFO, ha, "scsi%ld: %s: HW State: FAILED\n", 971039c95826SVikas Chaudhary ha->host_no, __func__); 971139c95826SVikas Chaudhary ha->isp_ops->idc_lock(ha); 971239c95826SVikas Chaudhary qla4_8xxx_wr_direct(ha, QLA8XXX_CRB_DEV_STATE, 971339c95826SVikas Chaudhary QLA8XXX_DEV_FAILED); 971439c95826SVikas Chaudhary ha->isp_ops->idc_unlock(ha); 971539c95826SVikas Chaudhary goto exit_error_recovery; 971639c95826SVikas Chaudhary } 97172232be0dSLalit Chandivade 97182232be0dSLalit Chandivade clear_bit(AF_FW_RECOVERY, &ha->flags); 971913483730SMike Christie rval = qla4xxx_initialize_adapter(ha, RESET_ADAPTER); 97202232be0dSLalit Chandivade 97212232be0dSLalit Chandivade if (rval != QLA_SUCCESS) { 97222232be0dSLalit Chandivade ql4_printk(KERN_INFO, ha, "scsi%ld: %s: HW State: " 97232232be0dSLalit Chandivade "FAILED\n", ha->host_no, __func__); 972437418cc6SNilesh Javali qla4xxx_free_irqs(ha); 972582761907SPoornima Vonti ha->isp_ops->idc_lock(ha); 97262232be0dSLalit Chandivade qla4_8xxx_clear_drv_active(ha); 972733693c7aSVikas Chaudhary qla4_8xxx_wr_direct(ha, QLA8XXX_CRB_DEV_STATE, 9728de8c72daSVikas Chaudhary QLA8XXX_DEV_FAILED); 972982761907SPoornima Vonti ha->isp_ops->idc_unlock(ha); 97302232be0dSLalit Chandivade } else { 97312232be0dSLalit Chandivade ql4_printk(KERN_INFO, ha, "scsi%ld: %s: HW State: " 97322232be0dSLalit Chandivade "READY\n", ha->host_no, __func__); 973382761907SPoornima Vonti ha->isp_ops->idc_lock(ha); 973433693c7aSVikas Chaudhary qla4_8xxx_wr_direct(ha, QLA8XXX_CRB_DEV_STATE, 9735de8c72daSVikas Chaudhary QLA8XXX_DEV_READY); 97362232be0dSLalit Chandivade /* Clear driver state register */ 973733693c7aSVikas Chaudhary qla4_8xxx_wr_direct(ha, QLA8XXX_CRB_DRV_STATE, 0); 97382232be0dSLalit Chandivade qla4_8xxx_set_drv_active(ha); 973982761907SPoornima Vonti ha->isp_ops->idc_unlock(ha); 97402232be0dSLalit Chandivade ha->isp_ops->enable_intrs(ha); 97412232be0dSLalit Chandivade } 97422232be0dSLalit Chandivade } else { 97432232be0dSLalit Chandivade ql4_printk(KERN_INFO, ha, "scsi%ld: %s: devfn 0x%x is not " 97442232be0dSLalit Chandivade "the reset owner\n", ha->host_no, __func__, 97452232be0dSLalit Chandivade ha->pdev->devfn); 974633693c7aSVikas Chaudhary if ((qla4_8xxx_rd_direct(ha, QLA8XXX_CRB_DEV_STATE) == 9747de8c72daSVikas Chaudhary QLA8XXX_DEV_READY)) { 97482232be0dSLalit Chandivade clear_bit(AF_FW_RECOVERY, &ha->flags); 974913483730SMike Christie rval = qla4xxx_initialize_adapter(ha, RESET_ADAPTER); 9750137257daSPoornima Vonti if (rval == QLA_SUCCESS) 97512232be0dSLalit Chandivade ha->isp_ops->enable_intrs(ha); 975237418cc6SNilesh Javali else 975337418cc6SNilesh Javali qla4xxx_free_irqs(ha); 9754137257daSPoornima Vonti 975533693c7aSVikas Chaudhary ha->isp_ops->idc_lock(ha); 97562232be0dSLalit Chandivade qla4_8xxx_set_drv_active(ha); 975733693c7aSVikas Chaudhary ha->isp_ops->idc_unlock(ha); 97582232be0dSLalit Chandivade } 97592232be0dSLalit Chandivade } 976039c95826SVikas Chaudhary exit_error_recovery: 97612232be0dSLalit Chandivade clear_bit(DPC_RESET_ACTIVE, &ha->dpc_flags); 97622232be0dSLalit Chandivade return rval; 97632232be0dSLalit Chandivade } 97642232be0dSLalit Chandivade 97652232be0dSLalit Chandivade static pci_ers_result_t 97662232be0dSLalit Chandivade qla4xxx_pci_slot_reset(struct pci_dev *pdev) 97672232be0dSLalit Chandivade { 97682232be0dSLalit Chandivade pci_ers_result_t ret = PCI_ERS_RESULT_DISCONNECT; 97692232be0dSLalit Chandivade struct scsi_qla_host *ha = pci_get_drvdata(pdev); 97702232be0dSLalit Chandivade int rc; 97712232be0dSLalit Chandivade 97722232be0dSLalit Chandivade ql4_printk(KERN_WARNING, ha, "scsi%ld: %s: slot_reset\n", 97732232be0dSLalit Chandivade ha->host_no, __func__); 97742232be0dSLalit Chandivade 97752232be0dSLalit Chandivade if (!is_aer_supported(ha)) 97762232be0dSLalit Chandivade return PCI_ERS_RESULT_NONE; 97772232be0dSLalit Chandivade 97782232be0dSLalit Chandivade /* Restore the saved state of PCIe device - 97792232be0dSLalit Chandivade * BAR registers, PCI Config space, PCIX, MSI, 97802232be0dSLalit Chandivade * IOV states 97812232be0dSLalit Chandivade */ 97822232be0dSLalit Chandivade pci_restore_state(pdev); 97832232be0dSLalit Chandivade 97842232be0dSLalit Chandivade /* pci_restore_state() clears the saved_state flag of the device 97852232be0dSLalit Chandivade * save restored state which resets saved_state flag 97862232be0dSLalit Chandivade */ 97872232be0dSLalit Chandivade pci_save_state(pdev); 97882232be0dSLalit Chandivade 97892232be0dSLalit Chandivade /* Initialize device or resume if in suspended state */ 97902232be0dSLalit Chandivade rc = pci_enable_device(pdev); 97912232be0dSLalit Chandivade if (rc) { 979225985edcSLucas De Marchi ql4_printk(KERN_WARNING, ha, "scsi%ld: %s: Can't re-enable " 97932232be0dSLalit Chandivade "device after reset\n", ha->host_no, __func__); 97942232be0dSLalit Chandivade goto exit_slot_reset; 97952232be0dSLalit Chandivade } 97962232be0dSLalit Chandivade 97977b3595dfSVikas Chaudhary ha->isp_ops->disable_intrs(ha); 97982232be0dSLalit Chandivade 97996e7b4292SVikas Chaudhary if (is_qla80XX(ha)) { 98002232be0dSLalit Chandivade if (qla4_8xxx_error_recovery(ha) == QLA_SUCCESS) { 98012232be0dSLalit Chandivade ret = PCI_ERS_RESULT_RECOVERED; 98022232be0dSLalit Chandivade goto exit_slot_reset; 98032232be0dSLalit Chandivade } else 98042232be0dSLalit Chandivade goto exit_slot_reset; 98052232be0dSLalit Chandivade } 98062232be0dSLalit Chandivade 98072232be0dSLalit Chandivade exit_slot_reset: 98082232be0dSLalit Chandivade ql4_printk(KERN_WARNING, ha, "scsi%ld: %s: Return=%x\n" 98092232be0dSLalit Chandivade "device after reset\n", ha->host_no, __func__, ret); 98102232be0dSLalit Chandivade return ret; 98112232be0dSLalit Chandivade } 98122232be0dSLalit Chandivade 98132232be0dSLalit Chandivade static void 98142232be0dSLalit Chandivade qla4xxx_pci_resume(struct pci_dev *pdev) 98152232be0dSLalit Chandivade { 98162232be0dSLalit Chandivade struct scsi_qla_host *ha = pci_get_drvdata(pdev); 98172232be0dSLalit Chandivade int ret; 98182232be0dSLalit Chandivade 98192232be0dSLalit Chandivade ql4_printk(KERN_WARNING, ha, "scsi%ld: %s: pci_resume\n", 98202232be0dSLalit Chandivade ha->host_no, __func__); 98212232be0dSLalit Chandivade 98222232be0dSLalit Chandivade ret = qla4xxx_wait_for_hba_online(ha); 98232232be0dSLalit Chandivade if (ret != QLA_SUCCESS) { 98242232be0dSLalit Chandivade ql4_printk(KERN_ERR, ha, "scsi%ld: %s: the device failed to " 98252232be0dSLalit Chandivade "resume I/O from slot/link_reset\n", ha->host_no, 98262232be0dSLalit Chandivade __func__); 98272232be0dSLalit Chandivade } 98282232be0dSLalit Chandivade 98292232be0dSLalit Chandivade pci_cleanup_aer_uncorrect_error_status(pdev); 98302232be0dSLalit Chandivade clear_bit(AF_EEH_BUSY, &ha->flags); 98312232be0dSLalit Chandivade } 98322232be0dSLalit Chandivade 9833a55b2d21SStephen Hemminger static const struct pci_error_handlers qla4xxx_err_handler = { 98342232be0dSLalit Chandivade .error_detected = qla4xxx_pci_error_detected, 98352232be0dSLalit Chandivade .mmio_enabled = qla4xxx_pci_mmio_enabled, 98362232be0dSLalit Chandivade .slot_reset = qla4xxx_pci_slot_reset, 98372232be0dSLalit Chandivade .resume = qla4xxx_pci_resume, 98382232be0dSLalit Chandivade }; 98392232be0dSLalit Chandivade 9840afaf5a2dSDavid Somayajulu static struct pci_device_id qla4xxx_pci_tbl[] = { 9841afaf5a2dSDavid Somayajulu { 9842afaf5a2dSDavid Somayajulu .vendor = PCI_VENDOR_ID_QLOGIC, 9843afaf5a2dSDavid Somayajulu .device = PCI_DEVICE_ID_QLOGIC_ISP4010, 9844afaf5a2dSDavid Somayajulu .subvendor = PCI_ANY_ID, 9845afaf5a2dSDavid Somayajulu .subdevice = PCI_ANY_ID, 9846afaf5a2dSDavid Somayajulu }, 9847afaf5a2dSDavid Somayajulu { 9848afaf5a2dSDavid Somayajulu .vendor = PCI_VENDOR_ID_QLOGIC, 9849afaf5a2dSDavid Somayajulu .device = PCI_DEVICE_ID_QLOGIC_ISP4022, 9850afaf5a2dSDavid Somayajulu .subvendor = PCI_ANY_ID, 9851afaf5a2dSDavid Somayajulu .subdevice = PCI_ANY_ID, 9852afaf5a2dSDavid Somayajulu }, 9853d915058fSDavid C Somayajulu { 9854d915058fSDavid C Somayajulu .vendor = PCI_VENDOR_ID_QLOGIC, 9855d915058fSDavid C Somayajulu .device = PCI_DEVICE_ID_QLOGIC_ISP4032, 9856d915058fSDavid C Somayajulu .subvendor = PCI_ANY_ID, 9857d915058fSDavid C Somayajulu .subdevice = PCI_ANY_ID, 9858d915058fSDavid C Somayajulu }, 9859f4f5df23SVikas Chaudhary { 9860f4f5df23SVikas Chaudhary .vendor = PCI_VENDOR_ID_QLOGIC, 9861f4f5df23SVikas Chaudhary .device = PCI_DEVICE_ID_QLOGIC_ISP8022, 9862f4f5df23SVikas Chaudhary .subvendor = PCI_ANY_ID, 9863f4f5df23SVikas Chaudhary .subdevice = PCI_ANY_ID, 9864f4f5df23SVikas Chaudhary }, 98656e7b4292SVikas Chaudhary { 98666e7b4292SVikas Chaudhary .vendor = PCI_VENDOR_ID_QLOGIC, 98676e7b4292SVikas Chaudhary .device = PCI_DEVICE_ID_QLOGIC_ISP8324, 98686e7b4292SVikas Chaudhary .subvendor = PCI_ANY_ID, 98696e7b4292SVikas Chaudhary .subdevice = PCI_ANY_ID, 98706e7b4292SVikas Chaudhary }, 9871b37ca418SVikas Chaudhary { 9872b37ca418SVikas Chaudhary .vendor = PCI_VENDOR_ID_QLOGIC, 9873b37ca418SVikas Chaudhary .device = PCI_DEVICE_ID_QLOGIC_ISP8042, 9874b37ca418SVikas Chaudhary .subvendor = PCI_ANY_ID, 9875b37ca418SVikas Chaudhary .subdevice = PCI_ANY_ID, 9876b37ca418SVikas Chaudhary }, 9877afaf5a2dSDavid Somayajulu {0, 0}, 9878afaf5a2dSDavid Somayajulu }; 9879afaf5a2dSDavid Somayajulu MODULE_DEVICE_TABLE(pci, qla4xxx_pci_tbl); 9880afaf5a2dSDavid Somayajulu 988147975477SAdrian Bunk static struct pci_driver qla4xxx_pci_driver = { 9882afaf5a2dSDavid Somayajulu .name = DRIVER_NAME, 9883afaf5a2dSDavid Somayajulu .id_table = qla4xxx_pci_tbl, 9884afaf5a2dSDavid Somayajulu .probe = qla4xxx_probe_adapter, 9885afaf5a2dSDavid Somayajulu .remove = qla4xxx_remove_adapter, 98862232be0dSLalit Chandivade .err_handler = &qla4xxx_err_handler, 9887afaf5a2dSDavid Somayajulu }; 9888afaf5a2dSDavid Somayajulu 9889afaf5a2dSDavid Somayajulu static int __init qla4xxx_module_init(void) 9890afaf5a2dSDavid Somayajulu { 9891afaf5a2dSDavid Somayajulu int ret; 9892afaf5a2dSDavid Somayajulu 9893c40ecc12SChristoph Hellwig if (ql4xqfulltracking) 9894c40ecc12SChristoph Hellwig qla4xxx_driver_template.track_queue_depth = 1; 9895c40ecc12SChristoph Hellwig 9896afaf5a2dSDavid Somayajulu /* Allocate cache for SRBs. */ 9897afaf5a2dSDavid Somayajulu srb_cachep = kmem_cache_create("qla4xxx_srbs", sizeof(struct srb), 0, 989820c2df83SPaul Mundt SLAB_HWCACHE_ALIGN, NULL); 9899afaf5a2dSDavid Somayajulu if (srb_cachep == NULL) { 9900afaf5a2dSDavid Somayajulu printk(KERN_ERR 9901afaf5a2dSDavid Somayajulu "%s: Unable to allocate SRB cache..." 9902afaf5a2dSDavid Somayajulu "Failing load!\n", DRIVER_NAME); 9903afaf5a2dSDavid Somayajulu ret = -ENOMEM; 9904afaf5a2dSDavid Somayajulu goto no_srp_cache; 9905afaf5a2dSDavid Somayajulu } 9906afaf5a2dSDavid Somayajulu 9907afaf5a2dSDavid Somayajulu /* Derive version string. */ 9908afaf5a2dSDavid Somayajulu strcpy(qla4xxx_version_str, QLA4XXX_DRIVER_VERSION); 990911010fecSAndrew Vasquez if (ql4xextended_error_logging) 9910afaf5a2dSDavid Somayajulu strcat(qla4xxx_version_str, "-debug"); 9911afaf5a2dSDavid Somayajulu 9912afaf5a2dSDavid Somayajulu qla4xxx_scsi_transport = 9913afaf5a2dSDavid Somayajulu iscsi_register_transport(&qla4xxx_iscsi_transport); 9914afaf5a2dSDavid Somayajulu if (!qla4xxx_scsi_transport){ 9915afaf5a2dSDavid Somayajulu ret = -ENODEV; 9916afaf5a2dSDavid Somayajulu goto release_srb_cache; 9917afaf5a2dSDavid Somayajulu } 9918afaf5a2dSDavid Somayajulu 9919afaf5a2dSDavid Somayajulu ret = pci_register_driver(&qla4xxx_pci_driver); 9920afaf5a2dSDavid Somayajulu if (ret) 9921afaf5a2dSDavid Somayajulu goto unregister_transport; 9922afaf5a2dSDavid Somayajulu 9923afaf5a2dSDavid Somayajulu printk(KERN_INFO "QLogic iSCSI HBA Driver\n"); 9924afaf5a2dSDavid Somayajulu return 0; 99255ae16db3SDoug Maxey 9926afaf5a2dSDavid Somayajulu unregister_transport: 9927afaf5a2dSDavid Somayajulu iscsi_unregister_transport(&qla4xxx_iscsi_transport); 9928afaf5a2dSDavid Somayajulu release_srb_cache: 9929afaf5a2dSDavid Somayajulu kmem_cache_destroy(srb_cachep); 9930afaf5a2dSDavid Somayajulu no_srp_cache: 9931afaf5a2dSDavid Somayajulu return ret; 9932afaf5a2dSDavid Somayajulu } 9933afaf5a2dSDavid Somayajulu 9934afaf5a2dSDavid Somayajulu static void __exit qla4xxx_module_exit(void) 9935afaf5a2dSDavid Somayajulu { 9936afaf5a2dSDavid Somayajulu pci_unregister_driver(&qla4xxx_pci_driver); 9937afaf5a2dSDavid Somayajulu iscsi_unregister_transport(&qla4xxx_iscsi_transport); 9938afaf5a2dSDavid Somayajulu kmem_cache_destroy(srb_cachep); 9939afaf5a2dSDavid Somayajulu } 9940afaf5a2dSDavid Somayajulu 9941afaf5a2dSDavid Somayajulu module_init(qla4xxx_module_init); 9942afaf5a2dSDavid Somayajulu module_exit(qla4xxx_module_exit); 9943afaf5a2dSDavid Somayajulu 9944afaf5a2dSDavid Somayajulu MODULE_AUTHOR("QLogic Corporation"); 9945afaf5a2dSDavid Somayajulu MODULE_DESCRIPTION("QLogic iSCSI HBA Driver"); 9946afaf5a2dSDavid Somayajulu MODULE_LICENSE("GPL"); 9947afaf5a2dSDavid Somayajulu MODULE_VERSION(QLA4XXX_DRIVER_VERSION); 9948