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 8468d35a9dcSSouptick Joarder chap_table = dma_pool_zalloc(ha->chap_dma_pool, GFP_KERNEL, &chap_dma); 847376738afSNilesh Javali if (chap_table == NULL) 848376738afSNilesh Javali return -ENOMEM; 849376738afSNilesh Javali 850d11b0ca3SVikas Chaudhary if (is_qla80XX(ha)) 851376738afSNilesh Javali max_chap_entries = (ha->hw.flt_chap_size / 2) / 852376738afSNilesh Javali sizeof(struct ql4_chap_table); 853376738afSNilesh Javali else 854376738afSNilesh Javali max_chap_entries = MAX_CHAP_ENTRIES_40XX; 855376738afSNilesh Javali 856376738afSNilesh Javali if (chap_tbl_idx > max_chap_entries) { 857376738afSNilesh Javali ret = -EINVAL; 858376738afSNilesh Javali goto exit_delete_chap; 859376738afSNilesh Javali } 860376738afSNilesh Javali 861376738afSNilesh Javali /* Check if chap index is in use. 862376738afSNilesh Javali * If chap is in use don't delet chap entry */ 863376738afSNilesh Javali ret = qla4xxx_is_chap_active(shost, chap_tbl_idx); 864376738afSNilesh Javali if (ret) { 865376738afSNilesh Javali ql4_printk(KERN_INFO, ha, "CHAP entry %d is in use, cannot " 866376738afSNilesh Javali "delete from flash\n", chap_tbl_idx); 867376738afSNilesh Javali ret = -EBUSY; 868376738afSNilesh Javali goto exit_delete_chap; 869376738afSNilesh Javali } 870376738afSNilesh Javali 871376738afSNilesh Javali chap_size = sizeof(struct ql4_chap_table); 872376738afSNilesh Javali if (is_qla40XX(ha)) 873376738afSNilesh Javali offset = FLASH_CHAP_OFFSET | (chap_tbl_idx * chap_size); 874376738afSNilesh Javali else { 875376738afSNilesh Javali offset = FLASH_RAW_ACCESS_ADDR + (ha->hw.flt_region_chap << 2); 876376738afSNilesh Javali /* flt_chap_size is CHAP table size for both ports 877376738afSNilesh Javali * so divide it by 2 to calculate the offset for second port 878376738afSNilesh Javali */ 879376738afSNilesh Javali if (ha->port_num == 1) 880376738afSNilesh Javali offset += (ha->hw.flt_chap_size / 2); 881376738afSNilesh Javali offset += (chap_tbl_idx * chap_size); 882376738afSNilesh Javali } 883376738afSNilesh Javali 884376738afSNilesh Javali ret = qla4xxx_get_flash(ha, chap_dma, offset, chap_size); 885376738afSNilesh Javali if (ret != QLA_SUCCESS) { 886376738afSNilesh Javali ret = -EINVAL; 887376738afSNilesh Javali goto exit_delete_chap; 888376738afSNilesh Javali } 889376738afSNilesh Javali 890376738afSNilesh Javali DEBUG2(ql4_printk(KERN_INFO, ha, "Chap Cookie: x%x\n", 891376738afSNilesh Javali __le16_to_cpu(chap_table->cookie))); 892376738afSNilesh Javali 893376738afSNilesh Javali if (__le16_to_cpu(chap_table->cookie) != CHAP_VALID_COOKIE) { 894376738afSNilesh Javali ql4_printk(KERN_ERR, ha, "No valid chap entry found\n"); 895376738afSNilesh Javali goto exit_delete_chap; 896376738afSNilesh Javali } 897376738afSNilesh Javali 898376738afSNilesh Javali chap_table->cookie = __constant_cpu_to_le16(0xFFFF); 899376738afSNilesh Javali 900376738afSNilesh Javali offset = FLASH_CHAP_OFFSET | 901376738afSNilesh Javali (chap_tbl_idx * sizeof(struct ql4_chap_table)); 902376738afSNilesh Javali ret = qla4xxx_set_flash(ha, chap_dma, offset, chap_size, 903376738afSNilesh Javali FLASH_OPT_RMW_COMMIT); 904376738afSNilesh Javali if (ret == QLA_SUCCESS && ha->chap_list) { 905376738afSNilesh Javali mutex_lock(&ha->chap_sem); 906376738afSNilesh Javali /* Update ha chap_list cache */ 907376738afSNilesh Javali memcpy((struct ql4_chap_table *)ha->chap_list + chap_tbl_idx, 908376738afSNilesh Javali chap_table, sizeof(struct ql4_chap_table)); 909376738afSNilesh Javali mutex_unlock(&ha->chap_sem); 910376738afSNilesh Javali } 911376738afSNilesh Javali if (ret != QLA_SUCCESS) 912376738afSNilesh Javali ret = -EINVAL; 913376738afSNilesh Javali 914376738afSNilesh Javali exit_delete_chap: 915376738afSNilesh Javali dma_pool_free(ha->chap_dma_pool, chap_table, chap_dma); 916376738afSNilesh Javali return ret; 917376738afSNilesh Javali } 918376738afSNilesh Javali 91926ffd7b4SAdheer Chandravanshi /** 92026ffd7b4SAdheer Chandravanshi * qla4xxx_set_chap_entry - Make chap entry with given information 92126ffd7b4SAdheer Chandravanshi * @shost: pointer to host 92226ffd7b4SAdheer Chandravanshi * @data: chap info - credentials, index and type to make chap entry 92326ffd7b4SAdheer Chandravanshi * @len: length of data 92426ffd7b4SAdheer Chandravanshi * 92526ffd7b4SAdheer Chandravanshi * Add or update chap entry with the given information 92626ffd7b4SAdheer Chandravanshi **/ 92726ffd7b4SAdheer Chandravanshi static int qla4xxx_set_chap_entry(struct Scsi_Host *shost, void *data, int len) 92826ffd7b4SAdheer Chandravanshi { 92926ffd7b4SAdheer Chandravanshi struct scsi_qla_host *ha = to_qla_host(shost); 93026ffd7b4SAdheer Chandravanshi struct iscsi_chap_rec chap_rec; 93126ffd7b4SAdheer Chandravanshi struct ql4_chap_table *chap_entry = NULL; 93226ffd7b4SAdheer Chandravanshi struct iscsi_param_info *param_info; 93326ffd7b4SAdheer Chandravanshi struct nlattr *attr; 93426ffd7b4SAdheer Chandravanshi int max_chap_entries = 0; 93526ffd7b4SAdheer Chandravanshi int type; 93626ffd7b4SAdheer Chandravanshi int rem = len; 93726ffd7b4SAdheer Chandravanshi int rc = 0; 9383c60cfd7SDan Carpenter int size; 93926ffd7b4SAdheer Chandravanshi 94026ffd7b4SAdheer Chandravanshi memset(&chap_rec, 0, sizeof(chap_rec)); 94126ffd7b4SAdheer Chandravanshi 94226ffd7b4SAdheer Chandravanshi nla_for_each_attr(attr, data, len, rem) { 94326ffd7b4SAdheer Chandravanshi param_info = nla_data(attr); 94426ffd7b4SAdheer Chandravanshi 94526ffd7b4SAdheer Chandravanshi switch (param_info->param) { 94626ffd7b4SAdheer Chandravanshi case ISCSI_CHAP_PARAM_INDEX: 94726ffd7b4SAdheer Chandravanshi chap_rec.chap_tbl_idx = *(uint16_t *)param_info->value; 94826ffd7b4SAdheer Chandravanshi break; 94926ffd7b4SAdheer Chandravanshi case ISCSI_CHAP_PARAM_CHAP_TYPE: 95026ffd7b4SAdheer Chandravanshi chap_rec.chap_type = param_info->value[0]; 95126ffd7b4SAdheer Chandravanshi break; 95226ffd7b4SAdheer Chandravanshi case ISCSI_CHAP_PARAM_USERNAME: 9533c60cfd7SDan Carpenter size = min_t(size_t, sizeof(chap_rec.username), 95426ffd7b4SAdheer Chandravanshi param_info->len); 9553c60cfd7SDan Carpenter memcpy(chap_rec.username, param_info->value, size); 95626ffd7b4SAdheer Chandravanshi break; 95726ffd7b4SAdheer Chandravanshi case ISCSI_CHAP_PARAM_PASSWORD: 9583c60cfd7SDan Carpenter size = min_t(size_t, sizeof(chap_rec.password), 95926ffd7b4SAdheer Chandravanshi param_info->len); 9603c60cfd7SDan Carpenter memcpy(chap_rec.password, param_info->value, size); 96126ffd7b4SAdheer Chandravanshi break; 96226ffd7b4SAdheer Chandravanshi case ISCSI_CHAP_PARAM_PASSWORD_LEN: 96326ffd7b4SAdheer Chandravanshi chap_rec.password_length = param_info->value[0]; 96426ffd7b4SAdheer Chandravanshi break; 96526ffd7b4SAdheer Chandravanshi default: 96626ffd7b4SAdheer Chandravanshi ql4_printk(KERN_ERR, ha, 96726ffd7b4SAdheer Chandravanshi "%s: No such sysfs attribute\n", __func__); 96826ffd7b4SAdheer Chandravanshi rc = -ENOSYS; 96926ffd7b4SAdheer Chandravanshi goto exit_set_chap; 97026ffd7b4SAdheer Chandravanshi }; 97126ffd7b4SAdheer Chandravanshi } 97226ffd7b4SAdheer Chandravanshi 97326ffd7b4SAdheer Chandravanshi if (chap_rec.chap_type == CHAP_TYPE_IN) 97426ffd7b4SAdheer Chandravanshi type = BIDI_CHAP; 97526ffd7b4SAdheer Chandravanshi else 97626ffd7b4SAdheer Chandravanshi type = LOCAL_CHAP; 97726ffd7b4SAdheer Chandravanshi 97826ffd7b4SAdheer Chandravanshi if (is_qla80XX(ha)) 97926ffd7b4SAdheer Chandravanshi max_chap_entries = (ha->hw.flt_chap_size / 2) / 98026ffd7b4SAdheer Chandravanshi sizeof(struct ql4_chap_table); 98126ffd7b4SAdheer Chandravanshi else 98226ffd7b4SAdheer Chandravanshi max_chap_entries = MAX_CHAP_ENTRIES_40XX; 98326ffd7b4SAdheer Chandravanshi 98426ffd7b4SAdheer Chandravanshi mutex_lock(&ha->chap_sem); 98526ffd7b4SAdheer Chandravanshi if (chap_rec.chap_tbl_idx < max_chap_entries) { 98626ffd7b4SAdheer Chandravanshi rc = qla4xxx_get_chap_by_index(ha, chap_rec.chap_tbl_idx, 98726ffd7b4SAdheer Chandravanshi &chap_entry); 98826ffd7b4SAdheer Chandravanshi if (!rc) { 98926ffd7b4SAdheer Chandravanshi if (!(type == qla4xxx_get_chap_type(chap_entry))) { 99026ffd7b4SAdheer Chandravanshi ql4_printk(KERN_INFO, ha, 99126ffd7b4SAdheer Chandravanshi "Type mismatch for CHAP entry %d\n", 99226ffd7b4SAdheer Chandravanshi chap_rec.chap_tbl_idx); 99326ffd7b4SAdheer Chandravanshi rc = -EINVAL; 99426ffd7b4SAdheer Chandravanshi goto exit_unlock_chap; 99526ffd7b4SAdheer Chandravanshi } 99626ffd7b4SAdheer Chandravanshi 99726ffd7b4SAdheer Chandravanshi /* If chap index is in use then don't modify it */ 99826ffd7b4SAdheer Chandravanshi rc = qla4xxx_is_chap_active(shost, 99926ffd7b4SAdheer Chandravanshi chap_rec.chap_tbl_idx); 100026ffd7b4SAdheer Chandravanshi if (rc) { 100126ffd7b4SAdheer Chandravanshi ql4_printk(KERN_INFO, ha, 100226ffd7b4SAdheer Chandravanshi "CHAP entry %d is in use\n", 100326ffd7b4SAdheer Chandravanshi chap_rec.chap_tbl_idx); 100426ffd7b4SAdheer Chandravanshi rc = -EBUSY; 100526ffd7b4SAdheer Chandravanshi goto exit_unlock_chap; 100626ffd7b4SAdheer Chandravanshi } 100726ffd7b4SAdheer Chandravanshi } 100826ffd7b4SAdheer Chandravanshi } else { 100926ffd7b4SAdheer Chandravanshi rc = qla4xxx_find_free_chap_index(ha, &chap_rec.chap_tbl_idx); 101026ffd7b4SAdheer Chandravanshi if (rc) { 101126ffd7b4SAdheer Chandravanshi ql4_printk(KERN_INFO, ha, "CHAP entry not available\n"); 101226ffd7b4SAdheer Chandravanshi rc = -EBUSY; 101326ffd7b4SAdheer Chandravanshi goto exit_unlock_chap; 101426ffd7b4SAdheer Chandravanshi } 101526ffd7b4SAdheer Chandravanshi } 101626ffd7b4SAdheer Chandravanshi 101726ffd7b4SAdheer Chandravanshi rc = qla4xxx_set_chap(ha, chap_rec.username, chap_rec.password, 101826ffd7b4SAdheer Chandravanshi chap_rec.chap_tbl_idx, type); 101926ffd7b4SAdheer Chandravanshi 102026ffd7b4SAdheer Chandravanshi exit_unlock_chap: 102126ffd7b4SAdheer Chandravanshi mutex_unlock(&ha->chap_sem); 102226ffd7b4SAdheer Chandravanshi 102326ffd7b4SAdheer Chandravanshi exit_set_chap: 102426ffd7b4SAdheer Chandravanshi return rc; 102526ffd7b4SAdheer Chandravanshi } 102626ffd7b4SAdheer Chandravanshi 10274161cee5SLalit Chandivade 10284161cee5SLalit Chandivade static int qla4xxx_get_host_stats(struct Scsi_Host *shost, char *buf, int len) 10294161cee5SLalit Chandivade { 10304161cee5SLalit Chandivade struct scsi_qla_host *ha = to_qla_host(shost); 10314161cee5SLalit Chandivade struct iscsi_offload_host_stats *host_stats = NULL; 10324161cee5SLalit Chandivade int host_stats_size; 10334161cee5SLalit Chandivade int ret = 0; 10344161cee5SLalit Chandivade int ddb_idx = 0; 10354161cee5SLalit Chandivade struct ql_iscsi_stats *ql_iscsi_stats = NULL; 10364161cee5SLalit Chandivade int stats_size; 10374161cee5SLalit Chandivade dma_addr_t iscsi_stats_dma; 10384161cee5SLalit Chandivade 10394161cee5SLalit Chandivade DEBUG2(ql4_printk(KERN_INFO, ha, "Func: %s\n", __func__)); 10404161cee5SLalit Chandivade 10414161cee5SLalit Chandivade host_stats_size = sizeof(struct iscsi_offload_host_stats); 10424161cee5SLalit Chandivade 10434161cee5SLalit Chandivade if (host_stats_size != len) { 10444161cee5SLalit Chandivade ql4_printk(KERN_INFO, ha, "%s: host_stats size mismatch expected = %d, is = %d\n", 10454161cee5SLalit Chandivade __func__, len, host_stats_size); 10464161cee5SLalit Chandivade ret = -EINVAL; 10474161cee5SLalit Chandivade goto exit_host_stats; 10484161cee5SLalit Chandivade } 10494161cee5SLalit Chandivade host_stats = (struct iscsi_offload_host_stats *)buf; 10504161cee5SLalit Chandivade 10514161cee5SLalit Chandivade if (!buf) { 10524161cee5SLalit Chandivade ret = -ENOMEM; 10534161cee5SLalit Chandivade goto exit_host_stats; 10544161cee5SLalit Chandivade } 10554161cee5SLalit Chandivade 10564161cee5SLalit Chandivade stats_size = PAGE_ALIGN(sizeof(struct ql_iscsi_stats)); 10574161cee5SLalit Chandivade 10584161cee5SLalit Chandivade ql_iscsi_stats = dma_alloc_coherent(&ha->pdev->dev, stats_size, 10594161cee5SLalit Chandivade &iscsi_stats_dma, GFP_KERNEL); 10604161cee5SLalit Chandivade if (!ql_iscsi_stats) { 10614161cee5SLalit Chandivade ql4_printk(KERN_ERR, ha, 10624161cee5SLalit Chandivade "Unable to allocate memory for iscsi stats\n"); 10637f3976f0SMike Christie ret = -ENOMEM; 10644161cee5SLalit Chandivade goto exit_host_stats; 10654161cee5SLalit Chandivade } 10664161cee5SLalit Chandivade 10674161cee5SLalit Chandivade ret = qla4xxx_get_mgmt_data(ha, ddb_idx, stats_size, 10684161cee5SLalit Chandivade iscsi_stats_dma); 10694161cee5SLalit Chandivade if (ret != QLA_SUCCESS) { 10704161cee5SLalit Chandivade ql4_printk(KERN_ERR, ha, 10714161cee5SLalit Chandivade "Unable to retrieve iscsi stats\n"); 10727f3976f0SMike Christie ret = -EIO; 10734161cee5SLalit Chandivade goto exit_host_stats; 10744161cee5SLalit Chandivade } 10754161cee5SLalit Chandivade host_stats->mactx_frames = le64_to_cpu(ql_iscsi_stats->mac_tx_frames); 10764161cee5SLalit Chandivade host_stats->mactx_bytes = le64_to_cpu(ql_iscsi_stats->mac_tx_bytes); 10774161cee5SLalit Chandivade host_stats->mactx_multicast_frames = 10784161cee5SLalit Chandivade le64_to_cpu(ql_iscsi_stats->mac_tx_multicast_frames); 10794161cee5SLalit Chandivade host_stats->mactx_broadcast_frames = 10804161cee5SLalit Chandivade le64_to_cpu(ql_iscsi_stats->mac_tx_broadcast_frames); 10814161cee5SLalit Chandivade host_stats->mactx_pause_frames = 10824161cee5SLalit Chandivade le64_to_cpu(ql_iscsi_stats->mac_tx_pause_frames); 10834161cee5SLalit Chandivade host_stats->mactx_control_frames = 10844161cee5SLalit Chandivade le64_to_cpu(ql_iscsi_stats->mac_tx_control_frames); 10854161cee5SLalit Chandivade host_stats->mactx_deferral = 10864161cee5SLalit Chandivade le64_to_cpu(ql_iscsi_stats->mac_tx_deferral); 10874161cee5SLalit Chandivade host_stats->mactx_excess_deferral = 10884161cee5SLalit Chandivade le64_to_cpu(ql_iscsi_stats->mac_tx_excess_deferral); 10894161cee5SLalit Chandivade host_stats->mactx_late_collision = 10904161cee5SLalit Chandivade le64_to_cpu(ql_iscsi_stats->mac_tx_late_collision); 10914161cee5SLalit Chandivade host_stats->mactx_abort = le64_to_cpu(ql_iscsi_stats->mac_tx_abort); 10924161cee5SLalit Chandivade host_stats->mactx_single_collision = 10934161cee5SLalit Chandivade le64_to_cpu(ql_iscsi_stats->mac_tx_single_collision); 10944161cee5SLalit Chandivade host_stats->mactx_multiple_collision = 10954161cee5SLalit Chandivade le64_to_cpu(ql_iscsi_stats->mac_tx_multiple_collision); 10964161cee5SLalit Chandivade host_stats->mactx_collision = 10974161cee5SLalit Chandivade le64_to_cpu(ql_iscsi_stats->mac_tx_collision); 10984161cee5SLalit Chandivade host_stats->mactx_frames_dropped = 10994161cee5SLalit Chandivade le64_to_cpu(ql_iscsi_stats->mac_tx_frames_dropped); 11004161cee5SLalit Chandivade host_stats->mactx_jumbo_frames = 11014161cee5SLalit Chandivade le64_to_cpu(ql_iscsi_stats->mac_tx_jumbo_frames); 11024161cee5SLalit Chandivade host_stats->macrx_frames = le64_to_cpu(ql_iscsi_stats->mac_rx_frames); 11034161cee5SLalit Chandivade host_stats->macrx_bytes = le64_to_cpu(ql_iscsi_stats->mac_rx_bytes); 11044161cee5SLalit Chandivade host_stats->macrx_unknown_control_frames = 11054161cee5SLalit Chandivade le64_to_cpu(ql_iscsi_stats->mac_rx_unknown_control_frames); 11064161cee5SLalit Chandivade host_stats->macrx_pause_frames = 11074161cee5SLalit Chandivade le64_to_cpu(ql_iscsi_stats->mac_rx_pause_frames); 11084161cee5SLalit Chandivade host_stats->macrx_control_frames = 11094161cee5SLalit Chandivade le64_to_cpu(ql_iscsi_stats->mac_rx_control_frames); 11104161cee5SLalit Chandivade host_stats->macrx_dribble = 11114161cee5SLalit Chandivade le64_to_cpu(ql_iscsi_stats->mac_rx_dribble); 11124161cee5SLalit Chandivade host_stats->macrx_frame_length_error = 11134161cee5SLalit Chandivade le64_to_cpu(ql_iscsi_stats->mac_rx_frame_length_error); 11144161cee5SLalit Chandivade host_stats->macrx_jabber = le64_to_cpu(ql_iscsi_stats->mac_rx_jabber); 11154161cee5SLalit Chandivade host_stats->macrx_carrier_sense_error = 11164161cee5SLalit Chandivade le64_to_cpu(ql_iscsi_stats->mac_rx_carrier_sense_error); 11174161cee5SLalit Chandivade host_stats->macrx_frame_discarded = 11184161cee5SLalit Chandivade le64_to_cpu(ql_iscsi_stats->mac_rx_frame_discarded); 11194161cee5SLalit Chandivade host_stats->macrx_frames_dropped = 11204161cee5SLalit Chandivade le64_to_cpu(ql_iscsi_stats->mac_rx_frames_dropped); 11214161cee5SLalit Chandivade host_stats->mac_crc_error = le64_to_cpu(ql_iscsi_stats->mac_crc_error); 11224161cee5SLalit Chandivade host_stats->mac_encoding_error = 11234161cee5SLalit Chandivade le64_to_cpu(ql_iscsi_stats->mac_encoding_error); 11244161cee5SLalit Chandivade host_stats->macrx_length_error_large = 11254161cee5SLalit Chandivade le64_to_cpu(ql_iscsi_stats->mac_rx_length_error_large); 11264161cee5SLalit Chandivade host_stats->macrx_length_error_small = 11274161cee5SLalit Chandivade le64_to_cpu(ql_iscsi_stats->mac_rx_length_error_small); 11284161cee5SLalit Chandivade host_stats->macrx_multicast_frames = 11294161cee5SLalit Chandivade le64_to_cpu(ql_iscsi_stats->mac_rx_multicast_frames); 11304161cee5SLalit Chandivade host_stats->macrx_broadcast_frames = 11314161cee5SLalit Chandivade le64_to_cpu(ql_iscsi_stats->mac_rx_broadcast_frames); 11324161cee5SLalit Chandivade host_stats->iptx_packets = le64_to_cpu(ql_iscsi_stats->ip_tx_packets); 11334161cee5SLalit Chandivade host_stats->iptx_bytes = le64_to_cpu(ql_iscsi_stats->ip_tx_bytes); 11344161cee5SLalit Chandivade host_stats->iptx_fragments = 11354161cee5SLalit Chandivade le64_to_cpu(ql_iscsi_stats->ip_tx_fragments); 11364161cee5SLalit Chandivade host_stats->iprx_packets = le64_to_cpu(ql_iscsi_stats->ip_rx_packets); 11374161cee5SLalit Chandivade host_stats->iprx_bytes = le64_to_cpu(ql_iscsi_stats->ip_rx_bytes); 11384161cee5SLalit Chandivade host_stats->iprx_fragments = 11394161cee5SLalit Chandivade le64_to_cpu(ql_iscsi_stats->ip_rx_fragments); 11404161cee5SLalit Chandivade host_stats->ip_datagram_reassembly = 11414161cee5SLalit Chandivade le64_to_cpu(ql_iscsi_stats->ip_datagram_reassembly); 11424161cee5SLalit Chandivade host_stats->ip_invalid_address_error = 11434161cee5SLalit Chandivade le64_to_cpu(ql_iscsi_stats->ip_invalid_address_error); 11444161cee5SLalit Chandivade host_stats->ip_error_packets = 11454161cee5SLalit Chandivade le64_to_cpu(ql_iscsi_stats->ip_error_packets); 11464161cee5SLalit Chandivade host_stats->ip_fragrx_overlap = 11474161cee5SLalit Chandivade le64_to_cpu(ql_iscsi_stats->ip_fragrx_overlap); 11484161cee5SLalit Chandivade host_stats->ip_fragrx_outoforder = 11494161cee5SLalit Chandivade le64_to_cpu(ql_iscsi_stats->ip_fragrx_outoforder); 11504161cee5SLalit Chandivade host_stats->ip_datagram_reassembly_timeout = 11514161cee5SLalit Chandivade le64_to_cpu(ql_iscsi_stats->ip_datagram_reassembly_timeout); 11524161cee5SLalit Chandivade host_stats->ipv6tx_packets = 11534161cee5SLalit Chandivade le64_to_cpu(ql_iscsi_stats->ipv6_tx_packets); 11544161cee5SLalit Chandivade host_stats->ipv6tx_bytes = le64_to_cpu(ql_iscsi_stats->ipv6_tx_bytes); 11554161cee5SLalit Chandivade host_stats->ipv6tx_fragments = 11564161cee5SLalit Chandivade le64_to_cpu(ql_iscsi_stats->ipv6_tx_fragments); 11574161cee5SLalit Chandivade host_stats->ipv6rx_packets = 11584161cee5SLalit Chandivade le64_to_cpu(ql_iscsi_stats->ipv6_rx_packets); 11594161cee5SLalit Chandivade host_stats->ipv6rx_bytes = le64_to_cpu(ql_iscsi_stats->ipv6_rx_bytes); 11604161cee5SLalit Chandivade host_stats->ipv6rx_fragments = 11614161cee5SLalit Chandivade le64_to_cpu(ql_iscsi_stats->ipv6_rx_fragments); 11624161cee5SLalit Chandivade host_stats->ipv6_datagram_reassembly = 11634161cee5SLalit Chandivade le64_to_cpu(ql_iscsi_stats->ipv6_datagram_reassembly); 11644161cee5SLalit Chandivade host_stats->ipv6_invalid_address_error = 11654161cee5SLalit Chandivade le64_to_cpu(ql_iscsi_stats->ipv6_invalid_address_error); 11664161cee5SLalit Chandivade host_stats->ipv6_error_packets = 11674161cee5SLalit Chandivade le64_to_cpu(ql_iscsi_stats->ipv6_error_packets); 11684161cee5SLalit Chandivade host_stats->ipv6_fragrx_overlap = 11694161cee5SLalit Chandivade le64_to_cpu(ql_iscsi_stats->ipv6_fragrx_overlap); 11704161cee5SLalit Chandivade host_stats->ipv6_fragrx_outoforder = 11714161cee5SLalit Chandivade le64_to_cpu(ql_iscsi_stats->ipv6_fragrx_outoforder); 11724161cee5SLalit Chandivade host_stats->ipv6_datagram_reassembly_timeout = 11734161cee5SLalit Chandivade le64_to_cpu(ql_iscsi_stats->ipv6_datagram_reassembly_timeout); 11744161cee5SLalit Chandivade host_stats->tcptx_segments = 11754161cee5SLalit Chandivade le64_to_cpu(ql_iscsi_stats->tcp_tx_segments); 11764161cee5SLalit Chandivade host_stats->tcptx_bytes = le64_to_cpu(ql_iscsi_stats->tcp_tx_bytes); 11774161cee5SLalit Chandivade host_stats->tcprx_segments = 11784161cee5SLalit Chandivade le64_to_cpu(ql_iscsi_stats->tcp_rx_segments); 11794161cee5SLalit Chandivade host_stats->tcprx_byte = le64_to_cpu(ql_iscsi_stats->tcp_rx_byte); 11804161cee5SLalit Chandivade host_stats->tcp_duplicate_ack_retx = 11814161cee5SLalit Chandivade le64_to_cpu(ql_iscsi_stats->tcp_duplicate_ack_retx); 11824161cee5SLalit Chandivade host_stats->tcp_retx_timer_expired = 11834161cee5SLalit Chandivade le64_to_cpu(ql_iscsi_stats->tcp_retx_timer_expired); 11844161cee5SLalit Chandivade host_stats->tcprx_duplicate_ack = 11854161cee5SLalit Chandivade le64_to_cpu(ql_iscsi_stats->tcp_rx_duplicate_ack); 11864161cee5SLalit Chandivade host_stats->tcprx_pure_ackr = 11874161cee5SLalit Chandivade le64_to_cpu(ql_iscsi_stats->tcp_rx_pure_ackr); 11884161cee5SLalit Chandivade host_stats->tcptx_delayed_ack = 11894161cee5SLalit Chandivade le64_to_cpu(ql_iscsi_stats->tcp_tx_delayed_ack); 11904161cee5SLalit Chandivade host_stats->tcptx_pure_ack = 11914161cee5SLalit Chandivade le64_to_cpu(ql_iscsi_stats->tcp_tx_pure_ack); 11924161cee5SLalit Chandivade host_stats->tcprx_segment_error = 11934161cee5SLalit Chandivade le64_to_cpu(ql_iscsi_stats->tcp_rx_segment_error); 11944161cee5SLalit Chandivade host_stats->tcprx_segment_outoforder = 11954161cee5SLalit Chandivade le64_to_cpu(ql_iscsi_stats->tcp_rx_segment_outoforder); 11964161cee5SLalit Chandivade host_stats->tcprx_window_probe = 11974161cee5SLalit Chandivade le64_to_cpu(ql_iscsi_stats->tcp_rx_window_probe); 11984161cee5SLalit Chandivade host_stats->tcprx_window_update = 11994161cee5SLalit Chandivade le64_to_cpu(ql_iscsi_stats->tcp_rx_window_update); 12004161cee5SLalit Chandivade host_stats->tcptx_window_probe_persist = 12014161cee5SLalit Chandivade le64_to_cpu(ql_iscsi_stats->tcp_tx_window_probe_persist); 12024161cee5SLalit Chandivade host_stats->ecc_error_correction = 12034161cee5SLalit Chandivade le64_to_cpu(ql_iscsi_stats->ecc_error_correction); 12044161cee5SLalit Chandivade host_stats->iscsi_pdu_tx = le64_to_cpu(ql_iscsi_stats->iscsi_pdu_tx); 12054161cee5SLalit Chandivade host_stats->iscsi_data_bytes_tx = 12064161cee5SLalit Chandivade le64_to_cpu(ql_iscsi_stats->iscsi_data_bytes_tx); 12074161cee5SLalit Chandivade host_stats->iscsi_pdu_rx = le64_to_cpu(ql_iscsi_stats->iscsi_pdu_rx); 12084161cee5SLalit Chandivade host_stats->iscsi_data_bytes_rx = 12094161cee5SLalit Chandivade le64_to_cpu(ql_iscsi_stats->iscsi_data_bytes_rx); 12104161cee5SLalit Chandivade host_stats->iscsi_io_completed = 12114161cee5SLalit Chandivade le64_to_cpu(ql_iscsi_stats->iscsi_io_completed); 12124161cee5SLalit Chandivade host_stats->iscsi_unexpected_io_rx = 12134161cee5SLalit Chandivade le64_to_cpu(ql_iscsi_stats->iscsi_unexpected_io_rx); 12144161cee5SLalit Chandivade host_stats->iscsi_format_error = 12154161cee5SLalit Chandivade le64_to_cpu(ql_iscsi_stats->iscsi_format_error); 12164161cee5SLalit Chandivade host_stats->iscsi_hdr_digest_error = 12174161cee5SLalit Chandivade le64_to_cpu(ql_iscsi_stats->iscsi_hdr_digest_error); 12184161cee5SLalit Chandivade host_stats->iscsi_data_digest_error = 12194161cee5SLalit Chandivade le64_to_cpu(ql_iscsi_stats->iscsi_data_digest_error); 12204161cee5SLalit Chandivade host_stats->iscsi_sequence_error = 12214161cee5SLalit Chandivade le64_to_cpu(ql_iscsi_stats->iscsi_sequence_error); 12224161cee5SLalit Chandivade exit_host_stats: 12234161cee5SLalit Chandivade if (ql_iscsi_stats) 12244161cee5SLalit Chandivade dma_free_coherent(&ha->pdev->dev, host_stats_size, 12254161cee5SLalit Chandivade ql_iscsi_stats, iscsi_stats_dma); 12264161cee5SLalit Chandivade 12274161cee5SLalit Chandivade ql4_printk(KERN_INFO, ha, "%s: Get host stats done\n", 12284161cee5SLalit Chandivade __func__); 12294161cee5SLalit Chandivade return ret; 12304161cee5SLalit Chandivade } 12314161cee5SLalit Chandivade 1232ed1086e0SVikas Chaudhary static int qla4xxx_get_iface_param(struct iscsi_iface *iface, 1233ed1086e0SVikas Chaudhary enum iscsi_param_type param_type, 1234ed1086e0SVikas Chaudhary int param, char *buf) 1235ed1086e0SVikas Chaudhary { 1236ed1086e0SVikas Chaudhary struct Scsi_Host *shost = iscsi_iface_to_shost(iface); 1237ed1086e0SVikas Chaudhary struct scsi_qla_host *ha = to_qla_host(shost); 1238f8e93412SHarish Zunjarrao int ival; 1239f8e93412SHarish Zunjarrao char *pval = NULL; 1240ed1086e0SVikas Chaudhary int len = -ENOSYS; 1241ed1086e0SVikas Chaudhary 1242f8e93412SHarish Zunjarrao if (param_type == ISCSI_NET_PARAM) { 1243ed1086e0SVikas Chaudhary switch (param) { 1244ed1086e0SVikas Chaudhary case ISCSI_NET_PARAM_IPV4_ADDR: 1245ed1086e0SVikas Chaudhary len = sprintf(buf, "%pI4\n", &ha->ip_config.ip_address); 1246ed1086e0SVikas Chaudhary break; 1247ed1086e0SVikas Chaudhary case ISCSI_NET_PARAM_IPV4_SUBNET: 1248f8e93412SHarish Zunjarrao len = sprintf(buf, "%pI4\n", 1249f8e93412SHarish Zunjarrao &ha->ip_config.subnet_mask); 1250ed1086e0SVikas Chaudhary break; 1251ed1086e0SVikas Chaudhary case ISCSI_NET_PARAM_IPV4_GW: 1252ed1086e0SVikas Chaudhary len = sprintf(buf, "%pI4\n", &ha->ip_config.gateway); 1253ed1086e0SVikas Chaudhary break; 1254ed1086e0SVikas Chaudhary case ISCSI_NET_PARAM_IFACE_ENABLE: 1255f8e93412SHarish Zunjarrao if (iface->iface_type == ISCSI_IFACE_TYPE_IPV4) { 1256f8e93412SHarish Zunjarrao OP_STATE(ha->ip_config.ipv4_options, 1257f8e93412SHarish Zunjarrao IPOPT_IPV4_PROTOCOL_ENABLE, pval); 1258f8e93412SHarish Zunjarrao } else { 1259f8e93412SHarish Zunjarrao OP_STATE(ha->ip_config.ipv6_options, 1260f8e93412SHarish Zunjarrao IPV6_OPT_IPV6_PROTOCOL_ENABLE, pval); 1261f8e93412SHarish Zunjarrao } 1262f8e93412SHarish Zunjarrao 1263f8e93412SHarish Zunjarrao len = sprintf(buf, "%s\n", pval); 1264ed1086e0SVikas Chaudhary break; 1265ed1086e0SVikas Chaudhary case ISCSI_NET_PARAM_IPV4_BOOTPROTO: 1266ed1086e0SVikas Chaudhary len = sprintf(buf, "%s\n", 1267f8e93412SHarish Zunjarrao (ha->ip_config.tcp_options & 1268f8e93412SHarish Zunjarrao TCPOPT_DHCP_ENABLE) ? 1269ed1086e0SVikas Chaudhary "dhcp" : "static"); 1270ed1086e0SVikas Chaudhary break; 1271ed1086e0SVikas Chaudhary case ISCSI_NET_PARAM_IPV6_ADDR: 1272ed1086e0SVikas Chaudhary if (iface->iface_num == 0) 1273f8e93412SHarish Zunjarrao len = sprintf(buf, "%pI6\n", 1274f8e93412SHarish Zunjarrao &ha->ip_config.ipv6_addr0); 1275ed1086e0SVikas Chaudhary if (iface->iface_num == 1) 1276f8e93412SHarish Zunjarrao len = sprintf(buf, "%pI6\n", 1277f8e93412SHarish Zunjarrao &ha->ip_config.ipv6_addr1); 1278ed1086e0SVikas Chaudhary break; 1279ed1086e0SVikas Chaudhary case ISCSI_NET_PARAM_IPV6_LINKLOCAL: 1280ed1086e0SVikas Chaudhary len = sprintf(buf, "%pI6\n", 1281ed1086e0SVikas Chaudhary &ha->ip_config.ipv6_link_local_addr); 1282ed1086e0SVikas Chaudhary break; 1283ed1086e0SVikas Chaudhary case ISCSI_NET_PARAM_IPV6_ROUTER: 1284ed1086e0SVikas Chaudhary len = sprintf(buf, "%pI6\n", 1285ed1086e0SVikas Chaudhary &ha->ip_config.ipv6_default_router_addr); 1286ed1086e0SVikas Chaudhary break; 1287ed1086e0SVikas Chaudhary case ISCSI_NET_PARAM_IPV6_ADDR_AUTOCFG: 1288f8e93412SHarish Zunjarrao pval = (ha->ip_config.ipv6_addl_options & 1289ed1086e0SVikas Chaudhary IPV6_ADDOPT_NEIGHBOR_DISCOVERY_ADDR_ENABLE) ? 1290f8e93412SHarish Zunjarrao "nd" : "static"; 1291f8e93412SHarish Zunjarrao 1292f8e93412SHarish Zunjarrao len = sprintf(buf, "%s\n", pval); 1293ed1086e0SVikas Chaudhary break; 1294ed1086e0SVikas Chaudhary case ISCSI_NET_PARAM_IPV6_LINKLOCAL_AUTOCFG: 1295f8e93412SHarish Zunjarrao pval = (ha->ip_config.ipv6_addl_options & 1296ed1086e0SVikas Chaudhary IPV6_ADDOPT_AUTOCONFIG_LINK_LOCAL_ADDR) ? 1297f8e93412SHarish Zunjarrao "auto" : "static"; 1298f8e93412SHarish Zunjarrao 1299f8e93412SHarish Zunjarrao len = sprintf(buf, "%s\n", pval); 1300ed1086e0SVikas Chaudhary break; 13016ac73e8cSVikas Chaudhary case ISCSI_NET_PARAM_VLAN_ID: 13026ac73e8cSVikas Chaudhary if (iface->iface_type == ISCSI_IFACE_TYPE_IPV4) 1303f8e93412SHarish Zunjarrao ival = ha->ip_config.ipv4_vlan_tag & 1304f8e93412SHarish Zunjarrao ISCSI_MAX_VLAN_ID; 1305f8e93412SHarish Zunjarrao else 1306f8e93412SHarish Zunjarrao ival = ha->ip_config.ipv6_vlan_tag & 1307f8e93412SHarish Zunjarrao ISCSI_MAX_VLAN_ID; 1308f8e93412SHarish Zunjarrao 1309f8e93412SHarish Zunjarrao len = sprintf(buf, "%d\n", ival); 13106ac73e8cSVikas Chaudhary break; 13116ac73e8cSVikas Chaudhary case ISCSI_NET_PARAM_VLAN_PRIORITY: 13126ac73e8cSVikas Chaudhary if (iface->iface_type == ISCSI_IFACE_TYPE_IPV4) 1313f8e93412SHarish Zunjarrao ival = (ha->ip_config.ipv4_vlan_tag >> 13) & 1314f8e93412SHarish Zunjarrao ISCSI_MAX_VLAN_PRIORITY; 1315f8e93412SHarish Zunjarrao else 1316f8e93412SHarish Zunjarrao ival = (ha->ip_config.ipv6_vlan_tag >> 13) & 1317f8e93412SHarish Zunjarrao ISCSI_MAX_VLAN_PRIORITY; 1318f8e93412SHarish Zunjarrao 1319f8e93412SHarish Zunjarrao len = sprintf(buf, "%d\n", ival); 13206ac73e8cSVikas Chaudhary break; 13216ac73e8cSVikas Chaudhary case ISCSI_NET_PARAM_VLAN_ENABLED: 1322f8e93412SHarish Zunjarrao if (iface->iface_type == ISCSI_IFACE_TYPE_IPV4) { 1323f8e93412SHarish Zunjarrao OP_STATE(ha->ip_config.ipv4_options, 1324f8e93412SHarish Zunjarrao IPOPT_VLAN_TAGGING_ENABLE, pval); 1325f8e93412SHarish Zunjarrao } else { 1326f8e93412SHarish Zunjarrao OP_STATE(ha->ip_config.ipv6_options, 1327f8e93412SHarish Zunjarrao IPV6_OPT_VLAN_TAGGING_ENABLE, pval); 1328f8e93412SHarish Zunjarrao } 1329f8e93412SHarish Zunjarrao len = sprintf(buf, "%s\n", pval); 13306ac73e8cSVikas Chaudhary break; 1331943c157bSVikas Chaudhary case ISCSI_NET_PARAM_MTU: 1332943c157bSVikas Chaudhary len = sprintf(buf, "%d\n", ha->ip_config.eth_mtu_size); 1333943c157bSVikas Chaudhary break; 13342ada7fc5SVikas Chaudhary case ISCSI_NET_PARAM_PORT: 13352ada7fc5SVikas Chaudhary if (iface->iface_type == ISCSI_IFACE_TYPE_IPV4) 1336f8e93412SHarish Zunjarrao len = sprintf(buf, "%d\n", 1337f8e93412SHarish Zunjarrao ha->ip_config.ipv4_port); 1338f8e93412SHarish Zunjarrao else 1339f8e93412SHarish Zunjarrao len = sprintf(buf, "%d\n", 1340f8e93412SHarish Zunjarrao ha->ip_config.ipv6_port); 1341f8e93412SHarish Zunjarrao break; 1342f8e93412SHarish Zunjarrao case ISCSI_NET_PARAM_IPADDR_STATE: 1343f8e93412SHarish Zunjarrao if (iface->iface_type == ISCSI_IFACE_TYPE_IPV4) { 1344f8e93412SHarish Zunjarrao pval = iscsi_get_ipaddress_state_name( 1345f8e93412SHarish Zunjarrao ha->ip_config.ipv4_addr_state); 1346f8e93412SHarish Zunjarrao } else { 1347f8e93412SHarish Zunjarrao if (iface->iface_num == 0) 1348f8e93412SHarish Zunjarrao pval = iscsi_get_ipaddress_state_name( 1349f8e93412SHarish Zunjarrao ha->ip_config.ipv6_addr0_state); 1350f8e93412SHarish Zunjarrao else if (iface->iface_num == 1) 1351f8e93412SHarish Zunjarrao pval = iscsi_get_ipaddress_state_name( 1352f8e93412SHarish Zunjarrao ha->ip_config.ipv6_addr1_state); 1353f8e93412SHarish Zunjarrao } 1354f8e93412SHarish Zunjarrao 1355f8e93412SHarish Zunjarrao len = sprintf(buf, "%s\n", pval); 1356f8e93412SHarish Zunjarrao break; 1357f8e93412SHarish Zunjarrao case ISCSI_NET_PARAM_IPV6_LINKLOCAL_STATE: 1358f8e93412SHarish Zunjarrao pval = iscsi_get_ipaddress_state_name( 1359f8e93412SHarish Zunjarrao ha->ip_config.ipv6_link_local_state); 1360f8e93412SHarish Zunjarrao len = sprintf(buf, "%s\n", pval); 1361f8e93412SHarish Zunjarrao break; 1362f8e93412SHarish Zunjarrao case ISCSI_NET_PARAM_IPV6_ROUTER_STATE: 1363f8e93412SHarish Zunjarrao pval = iscsi_get_router_state_name( 1364f8e93412SHarish Zunjarrao ha->ip_config.ipv6_default_router_state); 1365f8e93412SHarish Zunjarrao len = sprintf(buf, "%s\n", pval); 1366f8e93412SHarish Zunjarrao break; 1367f8e93412SHarish Zunjarrao case ISCSI_NET_PARAM_DELAYED_ACK_EN: 1368f8e93412SHarish Zunjarrao if (iface->iface_type == ISCSI_IFACE_TYPE_IPV4) { 1369f8e93412SHarish Zunjarrao OP_STATE(~ha->ip_config.tcp_options, 1370f8e93412SHarish Zunjarrao TCPOPT_DELAYED_ACK_DISABLE, pval); 1371f8e93412SHarish Zunjarrao } else { 1372f8e93412SHarish Zunjarrao OP_STATE(~ha->ip_config.ipv6_tcp_options, 1373f8e93412SHarish Zunjarrao IPV6_TCPOPT_DELAYED_ACK_DISABLE, pval); 1374f8e93412SHarish Zunjarrao } 1375f8e93412SHarish Zunjarrao len = sprintf(buf, "%s\n", pval); 1376f8e93412SHarish Zunjarrao break; 1377f8e93412SHarish Zunjarrao case ISCSI_NET_PARAM_TCP_NAGLE_DISABLE: 1378f8e93412SHarish Zunjarrao if (iface->iface_type == ISCSI_IFACE_TYPE_IPV4) { 1379f8e93412SHarish Zunjarrao OP_STATE(~ha->ip_config.tcp_options, 1380f8e93412SHarish Zunjarrao TCPOPT_NAGLE_ALGO_DISABLE, pval); 1381f8e93412SHarish Zunjarrao } else { 1382f8e93412SHarish Zunjarrao OP_STATE(~ha->ip_config.ipv6_tcp_options, 1383f8e93412SHarish Zunjarrao IPV6_TCPOPT_NAGLE_ALGO_DISABLE, pval); 1384f8e93412SHarish Zunjarrao } 1385f8e93412SHarish Zunjarrao len = sprintf(buf, "%s\n", pval); 1386f8e93412SHarish Zunjarrao break; 1387f8e93412SHarish Zunjarrao case ISCSI_NET_PARAM_TCP_WSF_DISABLE: 1388f8e93412SHarish Zunjarrao if (iface->iface_type == ISCSI_IFACE_TYPE_IPV4) { 1389f8e93412SHarish Zunjarrao OP_STATE(~ha->ip_config.tcp_options, 1390f8e93412SHarish Zunjarrao TCPOPT_WINDOW_SCALE_DISABLE, pval); 1391f8e93412SHarish Zunjarrao } else { 1392f8e93412SHarish Zunjarrao OP_STATE(~ha->ip_config.ipv6_tcp_options, 1393f8e93412SHarish Zunjarrao IPV6_TCPOPT_WINDOW_SCALE_DISABLE, 1394f8e93412SHarish Zunjarrao pval); 1395f8e93412SHarish Zunjarrao } 1396f8e93412SHarish Zunjarrao len = sprintf(buf, "%s\n", pval); 1397f8e93412SHarish Zunjarrao break; 1398f8e93412SHarish Zunjarrao case ISCSI_NET_PARAM_TCP_WSF: 1399f8e93412SHarish Zunjarrao if (iface->iface_type == ISCSI_IFACE_TYPE_IPV4) 1400f8e93412SHarish Zunjarrao len = sprintf(buf, "%d\n", 1401f8e93412SHarish Zunjarrao ha->ip_config.tcp_wsf); 1402f8e93412SHarish Zunjarrao else 1403f8e93412SHarish Zunjarrao len = sprintf(buf, "%d\n", 1404f8e93412SHarish Zunjarrao ha->ip_config.ipv6_tcp_wsf); 1405f8e93412SHarish Zunjarrao break; 1406f8e93412SHarish Zunjarrao case ISCSI_NET_PARAM_TCP_TIMER_SCALE: 1407f8e93412SHarish Zunjarrao if (iface->iface_type == ISCSI_IFACE_TYPE_IPV4) 1408f8e93412SHarish Zunjarrao ival = (ha->ip_config.tcp_options & 1409f8e93412SHarish Zunjarrao TCPOPT_TIMER_SCALE) >> 1; 1410f8e93412SHarish Zunjarrao else 1411f8e93412SHarish Zunjarrao ival = (ha->ip_config.ipv6_tcp_options & 1412f8e93412SHarish Zunjarrao IPV6_TCPOPT_TIMER_SCALE) >> 1; 1413f8e93412SHarish Zunjarrao 1414f8e93412SHarish Zunjarrao len = sprintf(buf, "%d\n", ival); 1415f8e93412SHarish Zunjarrao break; 1416f8e93412SHarish Zunjarrao case ISCSI_NET_PARAM_TCP_TIMESTAMP_EN: 1417f8e93412SHarish Zunjarrao if (iface->iface_type == ISCSI_IFACE_TYPE_IPV4) { 1418f8e93412SHarish Zunjarrao OP_STATE(ha->ip_config.tcp_options, 1419f8e93412SHarish Zunjarrao TCPOPT_TIMESTAMP_ENABLE, pval); 1420f8e93412SHarish Zunjarrao } else { 1421f8e93412SHarish Zunjarrao OP_STATE(ha->ip_config.ipv6_tcp_options, 1422f8e93412SHarish Zunjarrao IPV6_TCPOPT_TIMESTAMP_EN, pval); 1423f8e93412SHarish Zunjarrao } 1424f8e93412SHarish Zunjarrao len = sprintf(buf, "%s\n", pval); 1425f8e93412SHarish Zunjarrao break; 1426f8e93412SHarish Zunjarrao case ISCSI_NET_PARAM_CACHE_ID: 1427f8e93412SHarish Zunjarrao if (iface->iface_type == ISCSI_IFACE_TYPE_IPV4) 1428f8e93412SHarish Zunjarrao len = sprintf(buf, "%d\n", 1429f8e93412SHarish Zunjarrao ha->ip_config.ipv4_cache_id); 1430f8e93412SHarish Zunjarrao else 1431f8e93412SHarish Zunjarrao len = sprintf(buf, "%d\n", 1432f8e93412SHarish Zunjarrao ha->ip_config.ipv6_cache_id); 1433f8e93412SHarish Zunjarrao break; 1434f8e93412SHarish Zunjarrao case ISCSI_NET_PARAM_IPV4_DHCP_DNS_ADDR_EN: 1435f8e93412SHarish Zunjarrao OP_STATE(ha->ip_config.tcp_options, 1436f8e93412SHarish Zunjarrao TCPOPT_DNS_SERVER_IP_EN, pval); 1437f8e93412SHarish Zunjarrao 1438f8e93412SHarish Zunjarrao len = sprintf(buf, "%s\n", pval); 1439f8e93412SHarish Zunjarrao break; 1440f8e93412SHarish Zunjarrao case ISCSI_NET_PARAM_IPV4_DHCP_SLP_DA_EN: 1441f8e93412SHarish Zunjarrao OP_STATE(ha->ip_config.tcp_options, 1442f8e93412SHarish Zunjarrao TCPOPT_SLP_DA_INFO_EN, pval); 1443f8e93412SHarish Zunjarrao 1444f8e93412SHarish Zunjarrao len = sprintf(buf, "%s\n", pval); 1445f8e93412SHarish Zunjarrao break; 1446f8e93412SHarish Zunjarrao case ISCSI_NET_PARAM_IPV4_TOS_EN: 1447f8e93412SHarish Zunjarrao OP_STATE(ha->ip_config.ipv4_options, 1448f8e93412SHarish Zunjarrao IPOPT_IPV4_TOS_EN, pval); 1449f8e93412SHarish Zunjarrao 1450f8e93412SHarish Zunjarrao len = sprintf(buf, "%s\n", pval); 1451f8e93412SHarish Zunjarrao break; 1452f8e93412SHarish Zunjarrao case ISCSI_NET_PARAM_IPV4_TOS: 1453f8e93412SHarish Zunjarrao len = sprintf(buf, "%d\n", ha->ip_config.ipv4_tos); 1454f8e93412SHarish Zunjarrao break; 1455f8e93412SHarish Zunjarrao case ISCSI_NET_PARAM_IPV4_GRAT_ARP_EN: 1456f8e93412SHarish Zunjarrao OP_STATE(ha->ip_config.ipv4_options, 1457f8e93412SHarish Zunjarrao IPOPT_GRAT_ARP_EN, pval); 1458f8e93412SHarish Zunjarrao 1459f8e93412SHarish Zunjarrao len = sprintf(buf, "%s\n", pval); 1460f8e93412SHarish Zunjarrao break; 1461f8e93412SHarish Zunjarrao case ISCSI_NET_PARAM_IPV4_DHCP_ALT_CLIENT_ID_EN: 1462f8e93412SHarish Zunjarrao OP_STATE(ha->ip_config.ipv4_options, IPOPT_ALT_CID_EN, 1463f8e93412SHarish Zunjarrao pval); 1464f8e93412SHarish Zunjarrao 1465f8e93412SHarish Zunjarrao len = sprintf(buf, "%s\n", pval); 1466f8e93412SHarish Zunjarrao break; 1467f8e93412SHarish Zunjarrao case ISCSI_NET_PARAM_IPV4_DHCP_ALT_CLIENT_ID: 1468f8e93412SHarish Zunjarrao pval = (ha->ip_config.ipv4_alt_cid_len) ? 1469f8e93412SHarish Zunjarrao (char *)ha->ip_config.ipv4_alt_cid : ""; 1470f8e93412SHarish Zunjarrao 1471f8e93412SHarish Zunjarrao len = sprintf(buf, "%s\n", pval); 1472f8e93412SHarish Zunjarrao break; 1473f8e93412SHarish Zunjarrao case ISCSI_NET_PARAM_IPV4_DHCP_REQ_VENDOR_ID_EN: 1474f8e93412SHarish Zunjarrao OP_STATE(ha->ip_config.ipv4_options, 1475f8e93412SHarish Zunjarrao IPOPT_REQ_VID_EN, pval); 1476f8e93412SHarish Zunjarrao 1477f8e93412SHarish Zunjarrao len = sprintf(buf, "%s\n", pval); 1478f8e93412SHarish Zunjarrao break; 1479f8e93412SHarish Zunjarrao case ISCSI_NET_PARAM_IPV4_DHCP_USE_VENDOR_ID_EN: 1480f8e93412SHarish Zunjarrao OP_STATE(ha->ip_config.ipv4_options, 1481f8e93412SHarish Zunjarrao IPOPT_USE_VID_EN, pval); 1482f8e93412SHarish Zunjarrao 1483f8e93412SHarish Zunjarrao len = sprintf(buf, "%s\n", pval); 1484f8e93412SHarish Zunjarrao break; 1485f8e93412SHarish Zunjarrao case ISCSI_NET_PARAM_IPV4_DHCP_VENDOR_ID: 1486f8e93412SHarish Zunjarrao pval = (ha->ip_config.ipv4_vid_len) ? 1487f8e93412SHarish Zunjarrao (char *)ha->ip_config.ipv4_vid : ""; 1488f8e93412SHarish Zunjarrao 1489f8e93412SHarish Zunjarrao len = sprintf(buf, "%s\n", pval); 1490f8e93412SHarish Zunjarrao break; 1491f8e93412SHarish Zunjarrao case ISCSI_NET_PARAM_IPV4_DHCP_LEARN_IQN_EN: 1492f8e93412SHarish Zunjarrao OP_STATE(ha->ip_config.ipv4_options, 1493f8e93412SHarish Zunjarrao IPOPT_LEARN_IQN_EN, pval); 1494f8e93412SHarish Zunjarrao 1495f8e93412SHarish Zunjarrao len = sprintf(buf, "%s\n", pval); 1496f8e93412SHarish Zunjarrao break; 1497f8e93412SHarish Zunjarrao case ISCSI_NET_PARAM_IPV4_FRAGMENT_DISABLE: 1498f8e93412SHarish Zunjarrao OP_STATE(~ha->ip_config.ipv4_options, 1499f8e93412SHarish Zunjarrao IPOPT_FRAGMENTATION_DISABLE, pval); 1500f8e93412SHarish Zunjarrao 1501f8e93412SHarish Zunjarrao len = sprintf(buf, "%s\n", pval); 1502f8e93412SHarish Zunjarrao break; 1503f8e93412SHarish Zunjarrao case ISCSI_NET_PARAM_IPV4_IN_FORWARD_EN: 1504f8e93412SHarish Zunjarrao OP_STATE(ha->ip_config.ipv4_options, 1505f8e93412SHarish Zunjarrao IPOPT_IN_FORWARD_EN, pval); 1506f8e93412SHarish Zunjarrao 1507f8e93412SHarish Zunjarrao len = sprintf(buf, "%s\n", pval); 1508f8e93412SHarish Zunjarrao break; 1509f8e93412SHarish Zunjarrao case ISCSI_NET_PARAM_REDIRECT_EN: 1510f8e93412SHarish Zunjarrao if (iface->iface_type == ISCSI_IFACE_TYPE_IPV4) { 1511f8e93412SHarish Zunjarrao OP_STATE(ha->ip_config.ipv4_options, 1512f8e93412SHarish Zunjarrao IPOPT_ARP_REDIRECT_EN, pval); 1513f8e93412SHarish Zunjarrao } else { 1514f8e93412SHarish Zunjarrao OP_STATE(ha->ip_config.ipv6_options, 1515f8e93412SHarish Zunjarrao IPV6_OPT_REDIRECT_EN, pval); 1516f8e93412SHarish Zunjarrao } 1517f8e93412SHarish Zunjarrao len = sprintf(buf, "%s\n", pval); 1518f8e93412SHarish Zunjarrao break; 1519f8e93412SHarish Zunjarrao case ISCSI_NET_PARAM_IPV4_TTL: 1520f8e93412SHarish Zunjarrao len = sprintf(buf, "%d\n", ha->ip_config.ipv4_ttl); 1521f8e93412SHarish Zunjarrao break; 1522f8e93412SHarish Zunjarrao case ISCSI_NET_PARAM_IPV6_GRAT_NEIGHBOR_ADV_EN: 1523f8e93412SHarish Zunjarrao OP_STATE(ha->ip_config.ipv6_options, 1524f8e93412SHarish Zunjarrao IPV6_OPT_GRAT_NEIGHBOR_ADV_EN, pval); 1525f8e93412SHarish Zunjarrao 1526f8e93412SHarish Zunjarrao len = sprintf(buf, "%s\n", pval); 1527f8e93412SHarish Zunjarrao break; 1528f8e93412SHarish Zunjarrao case ISCSI_NET_PARAM_IPV6_MLD_EN: 1529f8e93412SHarish Zunjarrao OP_STATE(ha->ip_config.ipv6_addl_options, 1530f8e93412SHarish Zunjarrao IPV6_ADDOPT_MLD_EN, pval); 1531f8e93412SHarish Zunjarrao 1532f8e93412SHarish Zunjarrao len = sprintf(buf, "%s\n", pval); 1533f8e93412SHarish Zunjarrao break; 1534f8e93412SHarish Zunjarrao case ISCSI_NET_PARAM_IPV6_FLOW_LABEL: 1535f8e93412SHarish Zunjarrao len = sprintf(buf, "%u\n", ha->ip_config.ipv6_flow_lbl); 1536f8e93412SHarish Zunjarrao break; 1537f8e93412SHarish Zunjarrao case ISCSI_NET_PARAM_IPV6_TRAFFIC_CLASS: 1538f8e93412SHarish Zunjarrao len = sprintf(buf, "%d\n", 1539f8e93412SHarish Zunjarrao ha->ip_config.ipv6_traffic_class); 1540f8e93412SHarish Zunjarrao break; 1541f8e93412SHarish Zunjarrao case ISCSI_NET_PARAM_IPV6_HOP_LIMIT: 1542f8e93412SHarish Zunjarrao len = sprintf(buf, "%d\n", 1543f8e93412SHarish Zunjarrao ha->ip_config.ipv6_hop_limit); 1544f8e93412SHarish Zunjarrao break; 1545f8e93412SHarish Zunjarrao case ISCSI_NET_PARAM_IPV6_ND_REACHABLE_TMO: 1546f8e93412SHarish Zunjarrao len = sprintf(buf, "%d\n", 1547f8e93412SHarish Zunjarrao ha->ip_config.ipv6_nd_reach_time); 1548f8e93412SHarish Zunjarrao break; 1549f8e93412SHarish Zunjarrao case ISCSI_NET_PARAM_IPV6_ND_REXMIT_TIME: 1550f8e93412SHarish Zunjarrao len = sprintf(buf, "%d\n", 1551f8e93412SHarish Zunjarrao ha->ip_config.ipv6_nd_rexmit_timer); 1552f8e93412SHarish Zunjarrao break; 1553f8e93412SHarish Zunjarrao case ISCSI_NET_PARAM_IPV6_ND_STALE_TMO: 1554f8e93412SHarish Zunjarrao len = sprintf(buf, "%d\n", 1555f8e93412SHarish Zunjarrao ha->ip_config.ipv6_nd_stale_timeout); 1556f8e93412SHarish Zunjarrao break; 1557f8e93412SHarish Zunjarrao case ISCSI_NET_PARAM_IPV6_DUP_ADDR_DETECT_CNT: 1558f8e93412SHarish Zunjarrao len = sprintf(buf, "%d\n", 1559f8e93412SHarish Zunjarrao ha->ip_config.ipv6_dup_addr_detect_count); 1560f8e93412SHarish Zunjarrao break; 1561f8e93412SHarish Zunjarrao case ISCSI_NET_PARAM_IPV6_RTR_ADV_LINK_MTU: 1562f8e93412SHarish Zunjarrao len = sprintf(buf, "%d\n", 1563f8e93412SHarish Zunjarrao ha->ip_config.ipv6_gw_advrt_mtu); 15642ada7fc5SVikas Chaudhary break; 1565ed1086e0SVikas Chaudhary default: 1566ed1086e0SVikas Chaudhary len = -ENOSYS; 1567ed1086e0SVikas Chaudhary } 1568f8e93412SHarish Zunjarrao } else if (param_type == ISCSI_IFACE_PARAM) { 1569f8e93412SHarish Zunjarrao switch (param) { 1570f8e93412SHarish Zunjarrao case ISCSI_IFACE_PARAM_DEF_TASKMGMT_TMO: 1571f8e93412SHarish Zunjarrao len = sprintf(buf, "%d\n", ha->ip_config.def_timeout); 1572f8e93412SHarish Zunjarrao break; 1573f8e93412SHarish Zunjarrao case ISCSI_IFACE_PARAM_HDRDGST_EN: 1574f8e93412SHarish Zunjarrao OP_STATE(ha->ip_config.iscsi_options, 1575f8e93412SHarish Zunjarrao ISCSIOPTS_HEADER_DIGEST_EN, pval); 1576f8e93412SHarish Zunjarrao 1577f8e93412SHarish Zunjarrao len = sprintf(buf, "%s\n", pval); 1578f8e93412SHarish Zunjarrao break; 1579f8e93412SHarish Zunjarrao case ISCSI_IFACE_PARAM_DATADGST_EN: 1580f8e93412SHarish Zunjarrao OP_STATE(ha->ip_config.iscsi_options, 1581f8e93412SHarish Zunjarrao ISCSIOPTS_DATA_DIGEST_EN, pval); 1582f8e93412SHarish Zunjarrao 1583f8e93412SHarish Zunjarrao len = sprintf(buf, "%s\n", pval); 1584f8e93412SHarish Zunjarrao break; 1585f8e93412SHarish Zunjarrao case ISCSI_IFACE_PARAM_IMM_DATA_EN: 1586f8e93412SHarish Zunjarrao OP_STATE(ha->ip_config.iscsi_options, 1587f8e93412SHarish Zunjarrao ISCSIOPTS_IMMEDIATE_DATA_EN, pval); 1588f8e93412SHarish Zunjarrao 1589f8e93412SHarish Zunjarrao len = sprintf(buf, "%s\n", pval); 1590f8e93412SHarish Zunjarrao break; 1591f8e93412SHarish Zunjarrao case ISCSI_IFACE_PARAM_INITIAL_R2T_EN: 1592f8e93412SHarish Zunjarrao OP_STATE(ha->ip_config.iscsi_options, 1593f8e93412SHarish Zunjarrao ISCSIOPTS_INITIAL_R2T_EN, pval); 1594f8e93412SHarish Zunjarrao 1595f8e93412SHarish Zunjarrao len = sprintf(buf, "%s\n", pval); 1596f8e93412SHarish Zunjarrao break; 1597f8e93412SHarish Zunjarrao case ISCSI_IFACE_PARAM_DATASEQ_INORDER_EN: 1598f8e93412SHarish Zunjarrao OP_STATE(ha->ip_config.iscsi_options, 1599f8e93412SHarish Zunjarrao ISCSIOPTS_DATA_SEQ_INORDER_EN, pval); 1600f8e93412SHarish Zunjarrao 1601f8e93412SHarish Zunjarrao len = sprintf(buf, "%s\n", pval); 1602f8e93412SHarish Zunjarrao break; 1603f8e93412SHarish Zunjarrao case ISCSI_IFACE_PARAM_PDU_INORDER_EN: 1604f8e93412SHarish Zunjarrao OP_STATE(ha->ip_config.iscsi_options, 1605f8e93412SHarish Zunjarrao ISCSIOPTS_DATA_PDU_INORDER_EN, pval); 1606f8e93412SHarish Zunjarrao 1607f8e93412SHarish Zunjarrao len = sprintf(buf, "%s\n", pval); 1608f8e93412SHarish Zunjarrao break; 1609f8e93412SHarish Zunjarrao case ISCSI_IFACE_PARAM_ERL: 1610f8e93412SHarish Zunjarrao len = sprintf(buf, "%d\n", 1611f8e93412SHarish Zunjarrao (ha->ip_config.iscsi_options & 1612f8e93412SHarish Zunjarrao ISCSIOPTS_ERL)); 1613f8e93412SHarish Zunjarrao break; 1614f8e93412SHarish Zunjarrao case ISCSI_IFACE_PARAM_MAX_RECV_DLENGTH: 1615f8e93412SHarish Zunjarrao len = sprintf(buf, "%u\n", 1616f8e93412SHarish Zunjarrao ha->ip_config.iscsi_max_pdu_size * 1617f8e93412SHarish Zunjarrao BYTE_UNITS); 1618f8e93412SHarish Zunjarrao break; 1619f8e93412SHarish Zunjarrao case ISCSI_IFACE_PARAM_FIRST_BURST: 1620f8e93412SHarish Zunjarrao len = sprintf(buf, "%u\n", 1621f8e93412SHarish Zunjarrao ha->ip_config.iscsi_first_burst_len * 1622f8e93412SHarish Zunjarrao BYTE_UNITS); 1623f8e93412SHarish Zunjarrao break; 1624f8e93412SHarish Zunjarrao case ISCSI_IFACE_PARAM_MAX_R2T: 1625f8e93412SHarish Zunjarrao len = sprintf(buf, "%d\n", 1626f8e93412SHarish Zunjarrao ha->ip_config.iscsi_max_outstnd_r2t); 1627f8e93412SHarish Zunjarrao break; 1628f8e93412SHarish Zunjarrao case ISCSI_IFACE_PARAM_MAX_BURST: 1629f8e93412SHarish Zunjarrao len = sprintf(buf, "%u\n", 1630f8e93412SHarish Zunjarrao ha->ip_config.iscsi_max_burst_len * 1631f8e93412SHarish Zunjarrao BYTE_UNITS); 1632f8e93412SHarish Zunjarrao break; 1633f8e93412SHarish Zunjarrao case ISCSI_IFACE_PARAM_CHAP_AUTH_EN: 1634f8e93412SHarish Zunjarrao OP_STATE(ha->ip_config.iscsi_options, 1635f8e93412SHarish Zunjarrao ISCSIOPTS_CHAP_AUTH_EN, pval); 1636f8e93412SHarish Zunjarrao 1637f8e93412SHarish Zunjarrao len = sprintf(buf, "%s\n", pval); 1638f8e93412SHarish Zunjarrao break; 1639f8e93412SHarish Zunjarrao case ISCSI_IFACE_PARAM_BIDI_CHAP_EN: 1640f8e93412SHarish Zunjarrao OP_STATE(ha->ip_config.iscsi_options, 1641f8e93412SHarish Zunjarrao ISCSIOPTS_BIDI_CHAP_EN, pval); 1642f8e93412SHarish Zunjarrao 1643f8e93412SHarish Zunjarrao len = sprintf(buf, "%s\n", pval); 1644f8e93412SHarish Zunjarrao break; 1645f8e93412SHarish Zunjarrao case ISCSI_IFACE_PARAM_DISCOVERY_AUTH_OPTIONAL: 1646f8e93412SHarish Zunjarrao OP_STATE(ha->ip_config.iscsi_options, 1647f8e93412SHarish Zunjarrao ISCSIOPTS_DISCOVERY_AUTH_EN, pval); 1648f8e93412SHarish Zunjarrao 1649f8e93412SHarish Zunjarrao len = sprintf(buf, "%s\n", pval); 1650f8e93412SHarish Zunjarrao break; 1651f8e93412SHarish Zunjarrao case ISCSI_IFACE_PARAM_DISCOVERY_LOGOUT_EN: 1652f8e93412SHarish Zunjarrao OP_STATE(ha->ip_config.iscsi_options, 1653f8e93412SHarish Zunjarrao ISCSIOPTS_DISCOVERY_LOGOUT_EN, pval); 1654f8e93412SHarish Zunjarrao 1655f8e93412SHarish Zunjarrao len = sprintf(buf, "%s\n", pval); 1656f8e93412SHarish Zunjarrao break; 1657f8e93412SHarish Zunjarrao case ISCSI_IFACE_PARAM_STRICT_LOGIN_COMP_EN: 1658f8e93412SHarish Zunjarrao OP_STATE(ha->ip_config.iscsi_options, 1659f8e93412SHarish Zunjarrao ISCSIOPTS_STRICT_LOGIN_COMP_EN, pval); 1660f8e93412SHarish Zunjarrao 1661f8e93412SHarish Zunjarrao len = sprintf(buf, "%s\n", pval); 1662f8e93412SHarish Zunjarrao break; 1663f8e93412SHarish Zunjarrao case ISCSI_IFACE_PARAM_INITIATOR_NAME: 1664f8e93412SHarish Zunjarrao len = sprintf(buf, "%s\n", ha->ip_config.iscsi_name); 1665f8e93412SHarish Zunjarrao break; 1666f8e93412SHarish Zunjarrao default: 1667f8e93412SHarish Zunjarrao len = -ENOSYS; 1668f8e93412SHarish Zunjarrao } 1669f8e93412SHarish Zunjarrao } 1670ed1086e0SVikas Chaudhary 1671ed1086e0SVikas Chaudhary return len; 1672ed1086e0SVikas Chaudhary } 1673ed1086e0SVikas Chaudhary 1674b3a271a9SManish Rangankar static struct iscsi_endpoint * 1675b3a271a9SManish Rangankar qla4xxx_ep_connect(struct Scsi_Host *shost, struct sockaddr *dst_addr, 1676b3a271a9SManish Rangankar int non_blocking) 1677b3a271a9SManish Rangankar { 1678b3a271a9SManish Rangankar int ret; 1679b3a271a9SManish Rangankar struct iscsi_endpoint *ep; 1680b3a271a9SManish Rangankar struct qla_endpoint *qla_ep; 1681b3a271a9SManish Rangankar struct scsi_qla_host *ha; 1682b3a271a9SManish Rangankar struct sockaddr_in *addr; 1683b3a271a9SManish Rangankar struct sockaddr_in6 *addr6; 1684b3a271a9SManish Rangankar 1685b3a271a9SManish Rangankar if (!shost) { 1686b3a271a9SManish Rangankar ret = -ENXIO; 1687c343c5e0SVikas Chaudhary pr_err("%s: shost is NULL\n", __func__); 1688b3a271a9SManish Rangankar return ERR_PTR(ret); 1689b3a271a9SManish Rangankar } 1690b3a271a9SManish Rangankar 1691b3a271a9SManish Rangankar ha = iscsi_host_priv(shost); 1692b3a271a9SManish Rangankar ep = iscsi_create_endpoint(sizeof(struct qla_endpoint)); 1693b3a271a9SManish Rangankar if (!ep) { 1694b3a271a9SManish Rangankar ret = -ENOMEM; 1695b3a271a9SManish Rangankar return ERR_PTR(ret); 1696b3a271a9SManish Rangankar } 1697b3a271a9SManish Rangankar 1698b3a271a9SManish Rangankar qla_ep = ep->dd_data; 1699b3a271a9SManish Rangankar memset(qla_ep, 0, sizeof(struct qla_endpoint)); 1700b3a271a9SManish Rangankar if (dst_addr->sa_family == AF_INET) { 1701b3a271a9SManish Rangankar memcpy(&qla_ep->dst_addr, dst_addr, sizeof(struct sockaddr_in)); 1702b3a271a9SManish Rangankar addr = (struct sockaddr_in *)&qla_ep->dst_addr; 1703b3a271a9SManish Rangankar DEBUG2(ql4_printk(KERN_INFO, ha, "%s: %pI4\n", __func__, 1704b3a271a9SManish Rangankar (char *)&addr->sin_addr)); 1705b3a271a9SManish Rangankar } else if (dst_addr->sa_family == AF_INET6) { 1706b3a271a9SManish Rangankar memcpy(&qla_ep->dst_addr, dst_addr, 1707b3a271a9SManish Rangankar sizeof(struct sockaddr_in6)); 1708b3a271a9SManish Rangankar addr6 = (struct sockaddr_in6 *)&qla_ep->dst_addr; 1709b3a271a9SManish Rangankar DEBUG2(ql4_printk(KERN_INFO, ha, "%s: %pI6\n", __func__, 1710b3a271a9SManish Rangankar (char *)&addr6->sin6_addr)); 1711c343c5e0SVikas Chaudhary } else { 1712c343c5e0SVikas Chaudhary ql4_printk(KERN_WARNING, ha, "%s: Invalid endpoint\n", 1713c343c5e0SVikas Chaudhary __func__); 1714b3a271a9SManish Rangankar } 1715b3a271a9SManish Rangankar 1716b3a271a9SManish Rangankar qla_ep->host = shost; 1717b3a271a9SManish Rangankar 1718b3a271a9SManish Rangankar return ep; 1719b3a271a9SManish Rangankar } 1720b3a271a9SManish Rangankar 1721b3a271a9SManish Rangankar static int qla4xxx_ep_poll(struct iscsi_endpoint *ep, int timeout_ms) 1722b3a271a9SManish Rangankar { 1723b3a271a9SManish Rangankar struct qla_endpoint *qla_ep; 1724b3a271a9SManish Rangankar struct scsi_qla_host *ha; 1725b3a271a9SManish Rangankar int ret = 0; 1726b3a271a9SManish Rangankar 1727b3a271a9SManish Rangankar qla_ep = ep->dd_data; 1728b3a271a9SManish Rangankar ha = to_qla_host(qla_ep->host); 1729c343c5e0SVikas Chaudhary DEBUG2(pr_info_ratelimited("%s: host: %ld\n", __func__, ha->host_no)); 1730b3a271a9SManish Rangankar 173113483730SMike Christie if (adapter_up(ha) && !test_bit(AF_BUILD_DDB_LIST, &ha->flags)) 1732b3a271a9SManish Rangankar ret = 1; 1733b3a271a9SManish Rangankar 1734b3a271a9SManish Rangankar return ret; 1735b3a271a9SManish Rangankar } 1736b3a271a9SManish Rangankar 1737b3a271a9SManish Rangankar static void qla4xxx_ep_disconnect(struct iscsi_endpoint *ep) 1738b3a271a9SManish Rangankar { 1739c343c5e0SVikas Chaudhary struct qla_endpoint *qla_ep; 1740c343c5e0SVikas Chaudhary struct scsi_qla_host *ha; 1741c343c5e0SVikas Chaudhary 1742c343c5e0SVikas Chaudhary qla_ep = ep->dd_data; 1743c343c5e0SVikas Chaudhary ha = to_qla_host(qla_ep->host); 1744c343c5e0SVikas Chaudhary DEBUG2(ql4_printk(KERN_INFO, ha, "%s: host: %ld\n", __func__, 1745c343c5e0SVikas Chaudhary ha->host_no)); 1746b3a271a9SManish Rangankar iscsi_destroy_endpoint(ep); 1747b3a271a9SManish Rangankar } 1748b3a271a9SManish Rangankar 1749b3a271a9SManish Rangankar static int qla4xxx_get_ep_param(struct iscsi_endpoint *ep, 1750b3a271a9SManish Rangankar enum iscsi_param param, 1751b3a271a9SManish Rangankar char *buf) 1752b3a271a9SManish Rangankar { 1753b3a271a9SManish Rangankar struct qla_endpoint *qla_ep = ep->dd_data; 1754b3a271a9SManish Rangankar struct sockaddr *dst_addr; 1755c343c5e0SVikas Chaudhary struct scsi_qla_host *ha; 1756b3a271a9SManish Rangankar 175773597bddSAdheer Chandravanshi if (!qla_ep) 175873597bddSAdheer Chandravanshi return -ENOTCONN; 175973597bddSAdheer Chandravanshi 1760c343c5e0SVikas Chaudhary ha = to_qla_host(qla_ep->host); 1761c343c5e0SVikas Chaudhary DEBUG2(ql4_printk(KERN_INFO, ha, "%s: host: %ld\n", __func__, 1762c343c5e0SVikas Chaudhary ha->host_no)); 1763b3a271a9SManish Rangankar 1764b3a271a9SManish Rangankar switch (param) { 1765b3a271a9SManish Rangankar case ISCSI_PARAM_CONN_PORT: 1766b3a271a9SManish Rangankar case ISCSI_PARAM_CONN_ADDRESS: 1767b3a271a9SManish Rangankar dst_addr = (struct sockaddr *)&qla_ep->dst_addr; 1768b3a271a9SManish Rangankar if (!dst_addr) 1769b3a271a9SManish Rangankar return -ENOTCONN; 1770b3a271a9SManish Rangankar 1771b3a271a9SManish Rangankar return iscsi_conn_get_addr_param((struct sockaddr_storage *) 1772b3a271a9SManish Rangankar &qla_ep->dst_addr, param, buf); 1773b3a271a9SManish Rangankar default: 1774b3a271a9SManish Rangankar return -ENOSYS; 1775b3a271a9SManish Rangankar } 1776b3a271a9SManish Rangankar } 1777b3a271a9SManish Rangankar 1778b3a271a9SManish Rangankar static void qla4xxx_conn_get_stats(struct iscsi_cls_conn *cls_conn, 1779b3a271a9SManish Rangankar struct iscsi_stats *stats) 1780b3a271a9SManish Rangankar { 1781b3a271a9SManish Rangankar struct iscsi_session *sess; 1782b3a271a9SManish Rangankar struct iscsi_cls_session *cls_sess; 1783b3a271a9SManish Rangankar struct ddb_entry *ddb_entry; 1784b3a271a9SManish Rangankar struct scsi_qla_host *ha; 1785b3a271a9SManish Rangankar struct ql_iscsi_stats *ql_iscsi_stats; 1786b3a271a9SManish Rangankar int stats_size; 1787b3a271a9SManish Rangankar int ret; 1788b3a271a9SManish Rangankar dma_addr_t iscsi_stats_dma; 1789b3a271a9SManish Rangankar 1790b3a271a9SManish Rangankar cls_sess = iscsi_conn_to_session(cls_conn); 1791b3a271a9SManish Rangankar sess = cls_sess->dd_data; 1792b3a271a9SManish Rangankar ddb_entry = sess->dd_data; 1793b3a271a9SManish Rangankar ha = ddb_entry->ha; 1794b3a271a9SManish Rangankar 1795c343c5e0SVikas Chaudhary DEBUG2(ql4_printk(KERN_INFO, ha, "%s: host: %ld\n", __func__, 1796c343c5e0SVikas Chaudhary ha->host_no)); 1797b3a271a9SManish Rangankar stats_size = PAGE_ALIGN(sizeof(struct ql_iscsi_stats)); 1798b3a271a9SManish Rangankar /* Allocate memory */ 1799b3a271a9SManish Rangankar ql_iscsi_stats = dma_alloc_coherent(&ha->pdev->dev, stats_size, 1800b3a271a9SManish Rangankar &iscsi_stats_dma, GFP_KERNEL); 1801b3a271a9SManish Rangankar if (!ql_iscsi_stats) { 1802b3a271a9SManish Rangankar ql4_printk(KERN_ERR, ha, 1803b3a271a9SManish Rangankar "Unable to allocate memory for iscsi stats\n"); 1804b3a271a9SManish Rangankar goto exit_get_stats; 1805b3a271a9SManish Rangankar } 1806b3a271a9SManish Rangankar 1807b3a271a9SManish Rangankar ret = qla4xxx_get_mgmt_data(ha, ddb_entry->fw_ddb_index, stats_size, 1808b3a271a9SManish Rangankar iscsi_stats_dma); 1809b3a271a9SManish Rangankar if (ret != QLA_SUCCESS) { 1810b3a271a9SManish Rangankar ql4_printk(KERN_ERR, ha, 181159e13d48SMasanari Iida "Unable to retrieve iscsi stats\n"); 1812b3a271a9SManish Rangankar goto free_stats; 1813b3a271a9SManish Rangankar } 1814b3a271a9SManish Rangankar 1815b3a271a9SManish Rangankar /* octets */ 1816b3a271a9SManish Rangankar stats->txdata_octets = le64_to_cpu(ql_iscsi_stats->tx_data_octets); 1817b3a271a9SManish Rangankar stats->rxdata_octets = le64_to_cpu(ql_iscsi_stats->rx_data_octets); 1818b3a271a9SManish Rangankar /* xmit pdus */ 1819b3a271a9SManish Rangankar stats->noptx_pdus = le32_to_cpu(ql_iscsi_stats->tx_nopout_pdus); 1820b3a271a9SManish Rangankar stats->scsicmd_pdus = le32_to_cpu(ql_iscsi_stats->tx_scsi_cmd_pdus); 1821b3a271a9SManish Rangankar stats->tmfcmd_pdus = le32_to_cpu(ql_iscsi_stats->tx_tmf_cmd_pdus); 1822b3a271a9SManish Rangankar stats->login_pdus = le32_to_cpu(ql_iscsi_stats->tx_login_cmd_pdus); 1823b3a271a9SManish Rangankar stats->text_pdus = le32_to_cpu(ql_iscsi_stats->tx_text_cmd_pdus); 1824b3a271a9SManish Rangankar stats->dataout_pdus = le32_to_cpu(ql_iscsi_stats->tx_scsi_write_pdus); 1825b3a271a9SManish Rangankar stats->logout_pdus = le32_to_cpu(ql_iscsi_stats->tx_logout_cmd_pdus); 1826b3a271a9SManish Rangankar stats->snack_pdus = le32_to_cpu(ql_iscsi_stats->tx_snack_req_pdus); 1827b3a271a9SManish Rangankar /* recv pdus */ 1828b3a271a9SManish Rangankar stats->noprx_pdus = le32_to_cpu(ql_iscsi_stats->rx_nopin_pdus); 1829b3a271a9SManish Rangankar stats->scsirsp_pdus = le32_to_cpu(ql_iscsi_stats->rx_scsi_resp_pdus); 1830b3a271a9SManish Rangankar stats->tmfrsp_pdus = le32_to_cpu(ql_iscsi_stats->rx_tmf_resp_pdus); 1831b3a271a9SManish Rangankar stats->textrsp_pdus = le32_to_cpu(ql_iscsi_stats->rx_text_resp_pdus); 1832b3a271a9SManish Rangankar stats->datain_pdus = le32_to_cpu(ql_iscsi_stats->rx_scsi_read_pdus); 1833b3a271a9SManish Rangankar stats->logoutrsp_pdus = 1834b3a271a9SManish Rangankar le32_to_cpu(ql_iscsi_stats->rx_logout_resp_pdus); 1835b3a271a9SManish Rangankar stats->r2t_pdus = le32_to_cpu(ql_iscsi_stats->rx_r2t_pdus); 1836b3a271a9SManish Rangankar stats->async_pdus = le32_to_cpu(ql_iscsi_stats->rx_async_pdus); 1837b3a271a9SManish Rangankar stats->rjt_pdus = le32_to_cpu(ql_iscsi_stats->rx_reject_pdus); 1838b3a271a9SManish Rangankar 1839b3a271a9SManish Rangankar free_stats: 1840b3a271a9SManish Rangankar dma_free_coherent(&ha->pdev->dev, stats_size, ql_iscsi_stats, 1841b3a271a9SManish Rangankar iscsi_stats_dma); 1842b3a271a9SManish Rangankar exit_get_stats: 1843b3a271a9SManish Rangankar return; 1844b3a271a9SManish Rangankar } 1845b3a271a9SManish Rangankar 18465c656af7SMike Christie static enum blk_eh_timer_return qla4xxx_eh_cmd_timed_out(struct scsi_cmnd *sc) 18475c656af7SMike Christie { 18485c656af7SMike Christie struct iscsi_cls_session *session; 1849b3a271a9SManish Rangankar struct iscsi_session *sess; 1850b3a271a9SManish Rangankar unsigned long flags; 18516600593cSChristoph Hellwig enum blk_eh_timer_return ret = BLK_EH_DONE; 18525c656af7SMike Christie 18535c656af7SMike Christie session = starget_to_session(scsi_target(sc->device)); 1854b3a271a9SManish Rangankar sess = session->dd_data; 18555c656af7SMike Christie 1856b3a271a9SManish Rangankar spin_lock_irqsave(&session->lock, flags); 1857b3a271a9SManish Rangankar if (session->state == ISCSI_SESSION_FAILED) 1858b3a271a9SManish Rangankar ret = BLK_EH_RESET_TIMER; 1859b3a271a9SManish Rangankar spin_unlock_irqrestore(&session->lock, flags); 18605c656af7SMike Christie 1861b3a271a9SManish Rangankar return ret; 1862568d303bSMike Christie } 1863afaf5a2dSDavid Somayajulu 18643254dbe9SVikas Chaudhary static void qla4xxx_set_port_speed(struct Scsi_Host *shost) 18653254dbe9SVikas Chaudhary { 18663254dbe9SVikas Chaudhary struct scsi_qla_host *ha = to_qla_host(shost); 1867e16d166eSVikas Chaudhary struct iscsi_cls_host *ihost = shost->shost_data; 18683254dbe9SVikas Chaudhary uint32_t speed = ISCSI_PORT_SPEED_UNKNOWN; 18693254dbe9SVikas Chaudhary 18703254dbe9SVikas Chaudhary qla4xxx_get_firmware_state(ha); 18713254dbe9SVikas Chaudhary 18723254dbe9SVikas Chaudhary switch (ha->addl_fw_state & 0x0F00) { 18733254dbe9SVikas Chaudhary case FW_ADDSTATE_LINK_SPEED_10MBPS: 18743254dbe9SVikas Chaudhary speed = ISCSI_PORT_SPEED_10MBPS; 18753254dbe9SVikas Chaudhary break; 18763254dbe9SVikas Chaudhary case FW_ADDSTATE_LINK_SPEED_100MBPS: 18773254dbe9SVikas Chaudhary speed = ISCSI_PORT_SPEED_100MBPS; 18783254dbe9SVikas Chaudhary break; 18793254dbe9SVikas Chaudhary case FW_ADDSTATE_LINK_SPEED_1GBPS: 18803254dbe9SVikas Chaudhary speed = ISCSI_PORT_SPEED_1GBPS; 18813254dbe9SVikas Chaudhary break; 18823254dbe9SVikas Chaudhary case FW_ADDSTATE_LINK_SPEED_10GBPS: 18833254dbe9SVikas Chaudhary speed = ISCSI_PORT_SPEED_10GBPS; 18843254dbe9SVikas Chaudhary break; 18853254dbe9SVikas Chaudhary } 18863254dbe9SVikas Chaudhary ihost->port_speed = speed; 18873254dbe9SVikas Chaudhary } 18883254dbe9SVikas Chaudhary 18893254dbe9SVikas Chaudhary static void qla4xxx_set_port_state(struct Scsi_Host *shost) 18903254dbe9SVikas Chaudhary { 18913254dbe9SVikas Chaudhary struct scsi_qla_host *ha = to_qla_host(shost); 1892e16d166eSVikas Chaudhary struct iscsi_cls_host *ihost = shost->shost_data; 18933254dbe9SVikas Chaudhary uint32_t state = ISCSI_PORT_STATE_DOWN; 18943254dbe9SVikas Chaudhary 18953254dbe9SVikas Chaudhary if (test_bit(AF_LINK_UP, &ha->flags)) 18963254dbe9SVikas Chaudhary state = ISCSI_PORT_STATE_UP; 18973254dbe9SVikas Chaudhary 18983254dbe9SVikas Chaudhary ihost->port_state = state; 18993254dbe9SVikas Chaudhary } 19003254dbe9SVikas Chaudhary 1901aa1e93a2SMike Christie static int qla4xxx_host_get_param(struct Scsi_Host *shost, 1902aa1e93a2SMike Christie enum iscsi_host_param param, char *buf) 1903aa1e93a2SMike Christie { 1904aa1e93a2SMike Christie struct scsi_qla_host *ha = to_qla_host(shost); 1905aa1e93a2SMike Christie int len; 1906aa1e93a2SMike Christie 1907aa1e93a2SMike Christie switch (param) { 1908aa1e93a2SMike Christie case ISCSI_HOST_PARAM_HWADDRESS: 19097ffc49a6SMichael Chan len = sysfs_format_mac(buf, ha->my_mac, MAC_ADDR_LEN); 1910aa1e93a2SMike Christie break; 191122236961SMike Christie case ISCSI_HOST_PARAM_IPADDRESS: 19122bab08fcSVikas Chaudhary len = sprintf(buf, "%pI4\n", &ha->ip_config.ip_address); 191322236961SMike Christie break; 19148ad5781aSMike Christie case ISCSI_HOST_PARAM_INITIATOR_NAME: 191522236961SMike Christie len = sprintf(buf, "%s\n", ha->name_string); 19168ad5781aSMike Christie break; 19173254dbe9SVikas Chaudhary case ISCSI_HOST_PARAM_PORT_STATE: 19183254dbe9SVikas Chaudhary qla4xxx_set_port_state(shost); 19193254dbe9SVikas Chaudhary len = sprintf(buf, "%s\n", iscsi_get_port_state_name(shost)); 19203254dbe9SVikas Chaudhary break; 19213254dbe9SVikas Chaudhary case ISCSI_HOST_PARAM_PORT_SPEED: 19223254dbe9SVikas Chaudhary qla4xxx_set_port_speed(shost); 19233254dbe9SVikas Chaudhary len = sprintf(buf, "%s\n", iscsi_get_port_speed_name(shost)); 19243254dbe9SVikas Chaudhary break; 1925aa1e93a2SMike Christie default: 1926aa1e93a2SMike Christie return -ENOSYS; 1927aa1e93a2SMike Christie } 1928aa1e93a2SMike Christie 1929aa1e93a2SMike Christie return len; 1930aa1e93a2SMike Christie } 1931aa1e93a2SMike Christie 1932ed1086e0SVikas Chaudhary static void qla4xxx_create_ipv4_iface(struct scsi_qla_host *ha) 1933ed1086e0SVikas Chaudhary { 1934ed1086e0SVikas Chaudhary if (ha->iface_ipv4) 1935ed1086e0SVikas Chaudhary return; 1936ed1086e0SVikas Chaudhary 1937ed1086e0SVikas Chaudhary /* IPv4 */ 1938ed1086e0SVikas Chaudhary ha->iface_ipv4 = iscsi_create_iface(ha->host, 1939ed1086e0SVikas Chaudhary &qla4xxx_iscsi_transport, 1940ed1086e0SVikas Chaudhary ISCSI_IFACE_TYPE_IPV4, 0, 0); 1941ed1086e0SVikas Chaudhary if (!ha->iface_ipv4) 1942ed1086e0SVikas Chaudhary ql4_printk(KERN_ERR, ha, "Could not create IPv4 iSCSI " 1943ed1086e0SVikas Chaudhary "iface0.\n"); 1944ed1086e0SVikas Chaudhary } 1945ed1086e0SVikas Chaudhary 1946ed1086e0SVikas Chaudhary static void qla4xxx_create_ipv6_iface(struct scsi_qla_host *ha) 1947ed1086e0SVikas Chaudhary { 1948ed1086e0SVikas Chaudhary if (!ha->iface_ipv6_0) 1949ed1086e0SVikas Chaudhary /* IPv6 iface-0 */ 1950ed1086e0SVikas Chaudhary ha->iface_ipv6_0 = iscsi_create_iface(ha->host, 1951ed1086e0SVikas Chaudhary &qla4xxx_iscsi_transport, 1952ed1086e0SVikas Chaudhary ISCSI_IFACE_TYPE_IPV6, 0, 1953ed1086e0SVikas Chaudhary 0); 1954ed1086e0SVikas Chaudhary if (!ha->iface_ipv6_0) 1955ed1086e0SVikas Chaudhary ql4_printk(KERN_ERR, ha, "Could not create IPv6 iSCSI " 1956ed1086e0SVikas Chaudhary "iface0.\n"); 1957ed1086e0SVikas Chaudhary 1958ed1086e0SVikas Chaudhary if (!ha->iface_ipv6_1) 1959ed1086e0SVikas Chaudhary /* IPv6 iface-1 */ 1960ed1086e0SVikas Chaudhary ha->iface_ipv6_1 = iscsi_create_iface(ha->host, 1961ed1086e0SVikas Chaudhary &qla4xxx_iscsi_transport, 1962ed1086e0SVikas Chaudhary ISCSI_IFACE_TYPE_IPV6, 1, 1963ed1086e0SVikas Chaudhary 0); 1964ed1086e0SVikas Chaudhary if (!ha->iface_ipv6_1) 1965ed1086e0SVikas Chaudhary ql4_printk(KERN_ERR, ha, "Could not create IPv6 iSCSI " 1966ed1086e0SVikas Chaudhary "iface1.\n"); 1967ed1086e0SVikas Chaudhary } 1968ed1086e0SVikas Chaudhary 1969ed1086e0SVikas Chaudhary static void qla4xxx_create_ifaces(struct scsi_qla_host *ha) 1970ed1086e0SVikas Chaudhary { 1971ed1086e0SVikas Chaudhary if (ha->ip_config.ipv4_options & IPOPT_IPV4_PROTOCOL_ENABLE) 1972ed1086e0SVikas Chaudhary qla4xxx_create_ipv4_iface(ha); 1973ed1086e0SVikas Chaudhary 1974ed1086e0SVikas Chaudhary if (ha->ip_config.ipv6_options & IPV6_OPT_IPV6_PROTOCOL_ENABLE) 1975ed1086e0SVikas Chaudhary qla4xxx_create_ipv6_iface(ha); 1976ed1086e0SVikas Chaudhary } 1977ed1086e0SVikas Chaudhary 1978ed1086e0SVikas Chaudhary static void qla4xxx_destroy_ipv4_iface(struct scsi_qla_host *ha) 1979ed1086e0SVikas Chaudhary { 1980ed1086e0SVikas Chaudhary if (ha->iface_ipv4) { 1981ed1086e0SVikas Chaudhary iscsi_destroy_iface(ha->iface_ipv4); 1982ed1086e0SVikas Chaudhary ha->iface_ipv4 = NULL; 1983ed1086e0SVikas Chaudhary } 1984ed1086e0SVikas Chaudhary } 1985ed1086e0SVikas Chaudhary 1986ed1086e0SVikas Chaudhary static void qla4xxx_destroy_ipv6_iface(struct scsi_qla_host *ha) 1987ed1086e0SVikas Chaudhary { 1988ed1086e0SVikas Chaudhary if (ha->iface_ipv6_0) { 1989ed1086e0SVikas Chaudhary iscsi_destroy_iface(ha->iface_ipv6_0); 1990ed1086e0SVikas Chaudhary ha->iface_ipv6_0 = NULL; 1991ed1086e0SVikas Chaudhary } 1992ed1086e0SVikas Chaudhary if (ha->iface_ipv6_1) { 1993ed1086e0SVikas Chaudhary iscsi_destroy_iface(ha->iface_ipv6_1); 1994ed1086e0SVikas Chaudhary ha->iface_ipv6_1 = NULL; 1995ed1086e0SVikas Chaudhary } 1996ed1086e0SVikas Chaudhary } 1997ed1086e0SVikas Chaudhary 1998ed1086e0SVikas Chaudhary static void qla4xxx_destroy_ifaces(struct scsi_qla_host *ha) 1999ed1086e0SVikas Chaudhary { 2000ed1086e0SVikas Chaudhary qla4xxx_destroy_ipv4_iface(ha); 2001ed1086e0SVikas Chaudhary qla4xxx_destroy_ipv6_iface(ha); 2002ed1086e0SVikas Chaudhary } 2003ed1086e0SVikas Chaudhary 2004d00efe3fSMike Christie static void qla4xxx_set_ipv6(struct scsi_qla_host *ha, 2005d00efe3fSMike Christie struct iscsi_iface_param_info *iface_param, 2006d00efe3fSMike Christie struct addr_ctrl_blk *init_fw_cb) 2007d00efe3fSMike Christie { 2008d00efe3fSMike Christie /* 2009d00efe3fSMike Christie * iface_num 0 is valid for IPv6 Addr, linklocal, router, autocfg. 2010d00efe3fSMike Christie * iface_num 1 is valid only for IPv6 Addr. 2011d00efe3fSMike Christie */ 2012d00efe3fSMike Christie switch (iface_param->param) { 2013d00efe3fSMike Christie case ISCSI_NET_PARAM_IPV6_ADDR: 2014d00efe3fSMike Christie if (iface_param->iface_num & 0x1) 2015d00efe3fSMike Christie /* IPv6 Addr 1 */ 2016d00efe3fSMike Christie memcpy(init_fw_cb->ipv6_addr1, iface_param->value, 2017d00efe3fSMike Christie sizeof(init_fw_cb->ipv6_addr1)); 2018d00efe3fSMike Christie else 2019d00efe3fSMike Christie /* IPv6 Addr 0 */ 2020d00efe3fSMike Christie memcpy(init_fw_cb->ipv6_addr0, iface_param->value, 2021d00efe3fSMike Christie sizeof(init_fw_cb->ipv6_addr0)); 2022d00efe3fSMike Christie break; 2023d00efe3fSMike Christie case ISCSI_NET_PARAM_IPV6_LINKLOCAL: 2024d00efe3fSMike Christie if (iface_param->iface_num & 0x1) 2025d00efe3fSMike Christie break; 2026d00efe3fSMike Christie memcpy(init_fw_cb->ipv6_if_id, &iface_param->value[8], 2027d00efe3fSMike Christie sizeof(init_fw_cb->ipv6_if_id)); 2028d00efe3fSMike Christie break; 2029d00efe3fSMike Christie case ISCSI_NET_PARAM_IPV6_ROUTER: 2030d00efe3fSMike Christie if (iface_param->iface_num & 0x1) 2031d00efe3fSMike Christie break; 2032d00efe3fSMike Christie memcpy(init_fw_cb->ipv6_dflt_rtr_addr, iface_param->value, 2033d00efe3fSMike Christie sizeof(init_fw_cb->ipv6_dflt_rtr_addr)); 2034d00efe3fSMike Christie break; 2035d00efe3fSMike Christie case ISCSI_NET_PARAM_IPV6_ADDR_AUTOCFG: 2036d00efe3fSMike Christie /* Autocfg applies to even interface */ 2037d00efe3fSMike Christie if (iface_param->iface_num & 0x1) 2038d00efe3fSMike Christie break; 2039d00efe3fSMike Christie 2040d00efe3fSMike Christie if (iface_param->value[0] == ISCSI_IPV6_AUTOCFG_DISABLE) 2041d00efe3fSMike Christie init_fw_cb->ipv6_addtl_opts &= 2042d00efe3fSMike Christie cpu_to_le16( 2043d00efe3fSMike Christie ~IPV6_ADDOPT_NEIGHBOR_DISCOVERY_ADDR_ENABLE); 2044d00efe3fSMike Christie else if (iface_param->value[0] == ISCSI_IPV6_AUTOCFG_ND_ENABLE) 2045d00efe3fSMike Christie init_fw_cb->ipv6_addtl_opts |= 2046d00efe3fSMike Christie cpu_to_le16( 2047d00efe3fSMike Christie IPV6_ADDOPT_NEIGHBOR_DISCOVERY_ADDR_ENABLE); 2048d00efe3fSMike Christie else 2049f8e93412SHarish Zunjarrao ql4_printk(KERN_ERR, ha, 2050f8e93412SHarish Zunjarrao "Invalid autocfg setting for IPv6 addr\n"); 2051d00efe3fSMike Christie break; 2052d00efe3fSMike Christie case ISCSI_NET_PARAM_IPV6_LINKLOCAL_AUTOCFG: 2053d00efe3fSMike Christie /* Autocfg applies to even interface */ 2054d00efe3fSMike Christie if (iface_param->iface_num & 0x1) 2055d00efe3fSMike Christie break; 2056d00efe3fSMike Christie 2057d00efe3fSMike Christie if (iface_param->value[0] == 2058d00efe3fSMike Christie ISCSI_IPV6_LINKLOCAL_AUTOCFG_ENABLE) 2059d00efe3fSMike Christie init_fw_cb->ipv6_addtl_opts |= cpu_to_le16( 2060d00efe3fSMike Christie IPV6_ADDOPT_AUTOCONFIG_LINK_LOCAL_ADDR); 2061d00efe3fSMike Christie else if (iface_param->value[0] == 2062d00efe3fSMike Christie ISCSI_IPV6_LINKLOCAL_AUTOCFG_DISABLE) 2063d00efe3fSMike Christie init_fw_cb->ipv6_addtl_opts &= cpu_to_le16( 2064d00efe3fSMike Christie ~IPV6_ADDOPT_AUTOCONFIG_LINK_LOCAL_ADDR); 2065d00efe3fSMike Christie else 2066f8e93412SHarish Zunjarrao ql4_printk(KERN_ERR, ha, 2067f8e93412SHarish Zunjarrao "Invalid autocfg setting for IPv6 linklocal addr\n"); 2068d00efe3fSMike Christie break; 2069d00efe3fSMike Christie case ISCSI_NET_PARAM_IPV6_ROUTER_AUTOCFG: 2070d00efe3fSMike Christie /* Autocfg applies to even interface */ 2071d00efe3fSMike Christie if (iface_param->iface_num & 0x1) 2072d00efe3fSMike Christie break; 2073d00efe3fSMike Christie 2074d00efe3fSMike Christie if (iface_param->value[0] == ISCSI_IPV6_ROUTER_AUTOCFG_ENABLE) 2075d00efe3fSMike Christie memset(init_fw_cb->ipv6_dflt_rtr_addr, 0, 2076d00efe3fSMike Christie sizeof(init_fw_cb->ipv6_dflt_rtr_addr)); 2077d00efe3fSMike Christie break; 2078d00efe3fSMike Christie case ISCSI_NET_PARAM_IFACE_ENABLE: 2079ed1086e0SVikas Chaudhary if (iface_param->value[0] == ISCSI_IFACE_ENABLE) { 2080d00efe3fSMike Christie init_fw_cb->ipv6_opts |= 2081d00efe3fSMike Christie cpu_to_le16(IPV6_OPT_IPV6_PROTOCOL_ENABLE); 2082ed1086e0SVikas Chaudhary qla4xxx_create_ipv6_iface(ha); 2083ed1086e0SVikas Chaudhary } else { 2084d00efe3fSMike Christie init_fw_cb->ipv6_opts &= 2085d00efe3fSMike Christie cpu_to_le16(~IPV6_OPT_IPV6_PROTOCOL_ENABLE & 2086d00efe3fSMike Christie 0xFFFF); 2087ed1086e0SVikas Chaudhary qla4xxx_destroy_ipv6_iface(ha); 2088ed1086e0SVikas Chaudhary } 2089d00efe3fSMike Christie break; 20902d63673bSMike Christie case ISCSI_NET_PARAM_VLAN_TAG: 2091d00efe3fSMike Christie if (iface_param->len != sizeof(init_fw_cb->ipv6_vlan_tag)) 2092d00efe3fSMike Christie break; 20936ac73e8cSVikas Chaudhary init_fw_cb->ipv6_vlan_tag = 20946ac73e8cSVikas Chaudhary cpu_to_be16(*(uint16_t *)iface_param->value); 20956ac73e8cSVikas Chaudhary break; 20966ac73e8cSVikas Chaudhary case ISCSI_NET_PARAM_VLAN_ENABLED: 20976ac73e8cSVikas Chaudhary if (iface_param->value[0] == ISCSI_VLAN_ENABLE) 20986ac73e8cSVikas Chaudhary init_fw_cb->ipv6_opts |= 20996ac73e8cSVikas Chaudhary cpu_to_le16(IPV6_OPT_VLAN_TAGGING_ENABLE); 21006ac73e8cSVikas Chaudhary else 21016ac73e8cSVikas Chaudhary init_fw_cb->ipv6_opts &= 21026ac73e8cSVikas Chaudhary cpu_to_le16(~IPV6_OPT_VLAN_TAGGING_ENABLE); 2103d00efe3fSMike Christie break; 2104943c157bSVikas Chaudhary case ISCSI_NET_PARAM_MTU: 2105943c157bSVikas Chaudhary init_fw_cb->eth_mtu_size = 2106943c157bSVikas Chaudhary cpu_to_le16(*(uint16_t *)iface_param->value); 2107943c157bSVikas Chaudhary break; 21082ada7fc5SVikas Chaudhary case ISCSI_NET_PARAM_PORT: 21092ada7fc5SVikas Chaudhary /* Autocfg applies to even interface */ 21102ada7fc5SVikas Chaudhary if (iface_param->iface_num & 0x1) 21112ada7fc5SVikas Chaudhary break; 21122ada7fc5SVikas Chaudhary 21132ada7fc5SVikas Chaudhary init_fw_cb->ipv6_port = 21142ada7fc5SVikas Chaudhary cpu_to_le16(*(uint16_t *)iface_param->value); 21152ada7fc5SVikas Chaudhary break; 2116f8e93412SHarish Zunjarrao case ISCSI_NET_PARAM_DELAYED_ACK_EN: 2117f8e93412SHarish Zunjarrao if (iface_param->iface_num & 0x1) 2118f8e93412SHarish Zunjarrao break; 2119f8e93412SHarish Zunjarrao if (iface_param->value[0] == ISCSI_NET_PARAM_DISABLE) 2120f8e93412SHarish Zunjarrao init_fw_cb->ipv6_tcp_opts |= 2121f8e93412SHarish Zunjarrao cpu_to_le16(IPV6_TCPOPT_DELAYED_ACK_DISABLE); 2122f8e93412SHarish Zunjarrao else 2123f8e93412SHarish Zunjarrao init_fw_cb->ipv6_tcp_opts &= 21248f10872aSVikas Chaudhary cpu_to_le16(~IPV6_TCPOPT_DELAYED_ACK_DISABLE & 21258f10872aSVikas Chaudhary 0xFFFF); 2126f8e93412SHarish Zunjarrao break; 2127f8e93412SHarish Zunjarrao case ISCSI_NET_PARAM_TCP_NAGLE_DISABLE: 2128f8e93412SHarish Zunjarrao if (iface_param->iface_num & 0x1) 2129f8e93412SHarish Zunjarrao break; 2130f8e93412SHarish Zunjarrao if (iface_param->value[0] == ISCSI_NET_PARAM_DISABLE) 2131f8e93412SHarish Zunjarrao init_fw_cb->ipv6_tcp_opts |= 2132f8e93412SHarish Zunjarrao cpu_to_le16(IPV6_TCPOPT_NAGLE_ALGO_DISABLE); 2133f8e93412SHarish Zunjarrao else 2134f8e93412SHarish Zunjarrao init_fw_cb->ipv6_tcp_opts &= 2135f8e93412SHarish Zunjarrao cpu_to_le16(~IPV6_TCPOPT_NAGLE_ALGO_DISABLE); 2136f8e93412SHarish Zunjarrao break; 2137f8e93412SHarish Zunjarrao case ISCSI_NET_PARAM_TCP_WSF_DISABLE: 2138f8e93412SHarish Zunjarrao if (iface_param->iface_num & 0x1) 2139f8e93412SHarish Zunjarrao break; 2140f8e93412SHarish Zunjarrao if (iface_param->value[0] == ISCSI_NET_PARAM_DISABLE) 2141f8e93412SHarish Zunjarrao init_fw_cb->ipv6_tcp_opts |= 2142f8e93412SHarish Zunjarrao cpu_to_le16(IPV6_TCPOPT_WINDOW_SCALE_DISABLE); 2143f8e93412SHarish Zunjarrao else 2144f8e93412SHarish Zunjarrao init_fw_cb->ipv6_tcp_opts &= 2145f8e93412SHarish Zunjarrao cpu_to_le16(~IPV6_TCPOPT_WINDOW_SCALE_DISABLE); 2146f8e93412SHarish Zunjarrao break; 2147f8e93412SHarish Zunjarrao case ISCSI_NET_PARAM_TCP_WSF: 2148f8e93412SHarish Zunjarrao if (iface_param->iface_num & 0x1) 2149f8e93412SHarish Zunjarrao break; 2150f8e93412SHarish Zunjarrao init_fw_cb->ipv6_tcp_wsf = iface_param->value[0]; 2151f8e93412SHarish Zunjarrao break; 2152f8e93412SHarish Zunjarrao case ISCSI_NET_PARAM_TCP_TIMER_SCALE: 2153f8e93412SHarish Zunjarrao if (iface_param->iface_num & 0x1) 2154f8e93412SHarish Zunjarrao break; 2155f8e93412SHarish Zunjarrao init_fw_cb->ipv6_tcp_opts &= 2156f8e93412SHarish Zunjarrao cpu_to_le16(~IPV6_TCPOPT_TIMER_SCALE); 2157f8e93412SHarish Zunjarrao init_fw_cb->ipv6_tcp_opts |= 2158f8e93412SHarish Zunjarrao cpu_to_le16((iface_param->value[0] << 1) & 2159f8e93412SHarish Zunjarrao IPV6_TCPOPT_TIMER_SCALE); 2160f8e93412SHarish Zunjarrao break; 2161f8e93412SHarish Zunjarrao case ISCSI_NET_PARAM_TCP_TIMESTAMP_EN: 2162f8e93412SHarish Zunjarrao if (iface_param->iface_num & 0x1) 2163f8e93412SHarish Zunjarrao break; 2164f8e93412SHarish Zunjarrao if (iface_param->value[0] == ISCSI_NET_PARAM_ENABLE) 2165f8e93412SHarish Zunjarrao init_fw_cb->ipv6_tcp_opts |= 2166f8e93412SHarish Zunjarrao cpu_to_le16(IPV6_TCPOPT_TIMESTAMP_EN); 2167f8e93412SHarish Zunjarrao else 2168f8e93412SHarish Zunjarrao init_fw_cb->ipv6_tcp_opts &= 2169f8e93412SHarish Zunjarrao cpu_to_le16(~IPV6_TCPOPT_TIMESTAMP_EN); 2170f8e93412SHarish Zunjarrao break; 2171f8e93412SHarish Zunjarrao case ISCSI_NET_PARAM_IPV6_GRAT_NEIGHBOR_ADV_EN: 2172f8e93412SHarish Zunjarrao if (iface_param->iface_num & 0x1) 2173f8e93412SHarish Zunjarrao break; 2174f8e93412SHarish Zunjarrao if (iface_param->value[0] == ISCSI_NET_PARAM_ENABLE) 2175f8e93412SHarish Zunjarrao init_fw_cb->ipv6_opts |= 2176f8e93412SHarish Zunjarrao cpu_to_le16(IPV6_OPT_GRAT_NEIGHBOR_ADV_EN); 2177f8e93412SHarish Zunjarrao else 2178f8e93412SHarish Zunjarrao init_fw_cb->ipv6_opts &= 2179f8e93412SHarish Zunjarrao cpu_to_le16(~IPV6_OPT_GRAT_NEIGHBOR_ADV_EN); 2180f8e93412SHarish Zunjarrao break; 2181f8e93412SHarish Zunjarrao case ISCSI_NET_PARAM_REDIRECT_EN: 2182f8e93412SHarish Zunjarrao if (iface_param->iface_num & 0x1) 2183f8e93412SHarish Zunjarrao break; 2184f8e93412SHarish Zunjarrao if (iface_param->value[0] == ISCSI_NET_PARAM_ENABLE) 2185f8e93412SHarish Zunjarrao init_fw_cb->ipv6_opts |= 2186f8e93412SHarish Zunjarrao cpu_to_le16(IPV6_OPT_REDIRECT_EN); 2187f8e93412SHarish Zunjarrao else 2188f8e93412SHarish Zunjarrao init_fw_cb->ipv6_opts &= 2189f8e93412SHarish Zunjarrao cpu_to_le16(~IPV6_OPT_REDIRECT_EN); 2190f8e93412SHarish Zunjarrao break; 2191f8e93412SHarish Zunjarrao case ISCSI_NET_PARAM_IPV6_MLD_EN: 2192f8e93412SHarish Zunjarrao if (iface_param->iface_num & 0x1) 2193f8e93412SHarish Zunjarrao break; 2194f8e93412SHarish Zunjarrao if (iface_param->value[0] == ISCSI_NET_PARAM_ENABLE) 2195f8e93412SHarish Zunjarrao init_fw_cb->ipv6_addtl_opts |= 2196f8e93412SHarish Zunjarrao cpu_to_le16(IPV6_ADDOPT_MLD_EN); 2197f8e93412SHarish Zunjarrao else 2198f8e93412SHarish Zunjarrao init_fw_cb->ipv6_addtl_opts &= 2199f8e93412SHarish Zunjarrao cpu_to_le16(~IPV6_ADDOPT_MLD_EN); 2200f8e93412SHarish Zunjarrao break; 2201f8e93412SHarish Zunjarrao case ISCSI_NET_PARAM_IPV6_FLOW_LABEL: 2202f8e93412SHarish Zunjarrao if (iface_param->iface_num & 0x1) 2203f8e93412SHarish Zunjarrao break; 2204f8e93412SHarish Zunjarrao init_fw_cb->ipv6_flow_lbl = 2205f8e93412SHarish Zunjarrao cpu_to_le16(*(uint16_t *)iface_param->value); 2206f8e93412SHarish Zunjarrao break; 2207f8e93412SHarish Zunjarrao case ISCSI_NET_PARAM_IPV6_TRAFFIC_CLASS: 2208f8e93412SHarish Zunjarrao if (iface_param->iface_num & 0x1) 2209f8e93412SHarish Zunjarrao break; 2210f8e93412SHarish Zunjarrao init_fw_cb->ipv6_traffic_class = iface_param->value[0]; 2211f8e93412SHarish Zunjarrao break; 2212f8e93412SHarish Zunjarrao case ISCSI_NET_PARAM_IPV6_HOP_LIMIT: 2213f8e93412SHarish Zunjarrao if (iface_param->iface_num & 0x1) 2214f8e93412SHarish Zunjarrao break; 2215f8e93412SHarish Zunjarrao init_fw_cb->ipv6_hop_limit = iface_param->value[0]; 2216f8e93412SHarish Zunjarrao break; 2217f8e93412SHarish Zunjarrao case ISCSI_NET_PARAM_IPV6_ND_REACHABLE_TMO: 2218f8e93412SHarish Zunjarrao if (iface_param->iface_num & 0x1) 2219f8e93412SHarish Zunjarrao break; 2220f8e93412SHarish Zunjarrao init_fw_cb->ipv6_nd_reach_time = 2221f8e93412SHarish Zunjarrao cpu_to_le32(*(uint32_t *)iface_param->value); 2222f8e93412SHarish Zunjarrao break; 2223f8e93412SHarish Zunjarrao case ISCSI_NET_PARAM_IPV6_ND_REXMIT_TIME: 2224f8e93412SHarish Zunjarrao if (iface_param->iface_num & 0x1) 2225f8e93412SHarish Zunjarrao break; 2226f8e93412SHarish Zunjarrao init_fw_cb->ipv6_nd_rexmit_timer = 2227f8e93412SHarish Zunjarrao cpu_to_le32(*(uint32_t *)iface_param->value); 2228f8e93412SHarish Zunjarrao break; 2229f8e93412SHarish Zunjarrao case ISCSI_NET_PARAM_IPV6_ND_STALE_TMO: 2230f8e93412SHarish Zunjarrao if (iface_param->iface_num & 0x1) 2231f8e93412SHarish Zunjarrao break; 2232f8e93412SHarish Zunjarrao init_fw_cb->ipv6_nd_stale_timeout = 2233f8e93412SHarish Zunjarrao cpu_to_le32(*(uint32_t *)iface_param->value); 2234f8e93412SHarish Zunjarrao break; 2235f8e93412SHarish Zunjarrao case ISCSI_NET_PARAM_IPV6_DUP_ADDR_DETECT_CNT: 2236f8e93412SHarish Zunjarrao if (iface_param->iface_num & 0x1) 2237f8e93412SHarish Zunjarrao break; 2238f8e93412SHarish Zunjarrao init_fw_cb->ipv6_dup_addr_detect_count = iface_param->value[0]; 2239f8e93412SHarish Zunjarrao break; 2240f8e93412SHarish Zunjarrao case ISCSI_NET_PARAM_IPV6_RTR_ADV_LINK_MTU: 2241f8e93412SHarish Zunjarrao if (iface_param->iface_num & 0x1) 2242f8e93412SHarish Zunjarrao break; 2243f8e93412SHarish Zunjarrao init_fw_cb->ipv6_gw_advrt_mtu = 2244f8e93412SHarish Zunjarrao cpu_to_le32(*(uint32_t *)iface_param->value); 2245f8e93412SHarish Zunjarrao break; 2246d00efe3fSMike Christie default: 2247d00efe3fSMike Christie ql4_printk(KERN_ERR, ha, "Unknown IPv6 param = %d\n", 2248d00efe3fSMike Christie iface_param->param); 2249d00efe3fSMike Christie break; 2250d00efe3fSMike Christie } 2251d00efe3fSMike Christie } 2252d00efe3fSMike Christie 2253d00efe3fSMike Christie static void qla4xxx_set_ipv4(struct scsi_qla_host *ha, 2254d00efe3fSMike Christie struct iscsi_iface_param_info *iface_param, 2255d00efe3fSMike Christie struct addr_ctrl_blk *init_fw_cb) 2256d00efe3fSMike Christie { 2257d00efe3fSMike Christie switch (iface_param->param) { 2258d00efe3fSMike Christie case ISCSI_NET_PARAM_IPV4_ADDR: 2259d00efe3fSMike Christie memcpy(init_fw_cb->ipv4_addr, iface_param->value, 2260d00efe3fSMike Christie sizeof(init_fw_cb->ipv4_addr)); 2261d00efe3fSMike Christie break; 2262d00efe3fSMike Christie case ISCSI_NET_PARAM_IPV4_SUBNET: 2263d00efe3fSMike Christie memcpy(init_fw_cb->ipv4_subnet, iface_param->value, 2264d00efe3fSMike Christie sizeof(init_fw_cb->ipv4_subnet)); 2265d00efe3fSMike Christie break; 2266d00efe3fSMike Christie case ISCSI_NET_PARAM_IPV4_GW: 2267d00efe3fSMike Christie memcpy(init_fw_cb->ipv4_gw_addr, iface_param->value, 2268d00efe3fSMike Christie sizeof(init_fw_cb->ipv4_gw_addr)); 2269d00efe3fSMike Christie break; 2270d00efe3fSMike Christie case ISCSI_NET_PARAM_IPV4_BOOTPROTO: 2271d00efe3fSMike Christie if (iface_param->value[0] == ISCSI_BOOTPROTO_DHCP) 2272d00efe3fSMike Christie init_fw_cb->ipv4_tcp_opts |= 2273d00efe3fSMike Christie cpu_to_le16(TCPOPT_DHCP_ENABLE); 2274d00efe3fSMike Christie else if (iface_param->value[0] == ISCSI_BOOTPROTO_STATIC) 2275d00efe3fSMike Christie init_fw_cb->ipv4_tcp_opts &= 2276d00efe3fSMike Christie cpu_to_le16(~TCPOPT_DHCP_ENABLE); 2277d00efe3fSMike Christie else 2278d00efe3fSMike Christie ql4_printk(KERN_ERR, ha, "Invalid IPv4 bootproto\n"); 2279d00efe3fSMike Christie break; 2280d00efe3fSMike Christie case ISCSI_NET_PARAM_IFACE_ENABLE: 2281ed1086e0SVikas Chaudhary if (iface_param->value[0] == ISCSI_IFACE_ENABLE) { 2282d00efe3fSMike Christie init_fw_cb->ipv4_ip_opts |= 22832bab08fcSVikas Chaudhary cpu_to_le16(IPOPT_IPV4_PROTOCOL_ENABLE); 2284ed1086e0SVikas Chaudhary qla4xxx_create_ipv4_iface(ha); 2285ed1086e0SVikas Chaudhary } else { 2286d00efe3fSMike Christie init_fw_cb->ipv4_ip_opts &= 22872bab08fcSVikas Chaudhary cpu_to_le16(~IPOPT_IPV4_PROTOCOL_ENABLE & 2288d00efe3fSMike Christie 0xFFFF); 2289ed1086e0SVikas Chaudhary qla4xxx_destroy_ipv4_iface(ha); 2290ed1086e0SVikas Chaudhary } 2291d00efe3fSMike Christie break; 22922d63673bSMike Christie case ISCSI_NET_PARAM_VLAN_TAG: 2293d00efe3fSMike Christie if (iface_param->len != sizeof(init_fw_cb->ipv4_vlan_tag)) 2294d00efe3fSMike Christie break; 22956ac73e8cSVikas Chaudhary init_fw_cb->ipv4_vlan_tag = 22966ac73e8cSVikas Chaudhary cpu_to_be16(*(uint16_t *)iface_param->value); 22976ac73e8cSVikas Chaudhary break; 22986ac73e8cSVikas Chaudhary case ISCSI_NET_PARAM_VLAN_ENABLED: 22996ac73e8cSVikas Chaudhary if (iface_param->value[0] == ISCSI_VLAN_ENABLE) 23006ac73e8cSVikas Chaudhary init_fw_cb->ipv4_ip_opts |= 23016ac73e8cSVikas Chaudhary cpu_to_le16(IPOPT_VLAN_TAGGING_ENABLE); 23026ac73e8cSVikas Chaudhary else 23036ac73e8cSVikas Chaudhary init_fw_cb->ipv4_ip_opts &= 23046ac73e8cSVikas Chaudhary cpu_to_le16(~IPOPT_VLAN_TAGGING_ENABLE); 2305d00efe3fSMike Christie break; 2306943c157bSVikas Chaudhary case ISCSI_NET_PARAM_MTU: 2307943c157bSVikas Chaudhary init_fw_cb->eth_mtu_size = 2308943c157bSVikas Chaudhary cpu_to_le16(*(uint16_t *)iface_param->value); 2309943c157bSVikas Chaudhary break; 23102ada7fc5SVikas Chaudhary case ISCSI_NET_PARAM_PORT: 23112ada7fc5SVikas Chaudhary init_fw_cb->ipv4_port = 23122ada7fc5SVikas Chaudhary cpu_to_le16(*(uint16_t *)iface_param->value); 23132ada7fc5SVikas Chaudhary break; 2314f8e93412SHarish Zunjarrao case ISCSI_NET_PARAM_DELAYED_ACK_EN: 2315f8e93412SHarish Zunjarrao if (iface_param->iface_num & 0x1) 2316f8e93412SHarish Zunjarrao break; 2317f8e93412SHarish Zunjarrao if (iface_param->value[0] == ISCSI_NET_PARAM_DISABLE) 2318f8e93412SHarish Zunjarrao init_fw_cb->ipv4_tcp_opts |= 2319f8e93412SHarish Zunjarrao cpu_to_le16(TCPOPT_DELAYED_ACK_DISABLE); 2320f8e93412SHarish Zunjarrao else 2321f8e93412SHarish Zunjarrao init_fw_cb->ipv4_tcp_opts &= 23228f10872aSVikas Chaudhary cpu_to_le16(~TCPOPT_DELAYED_ACK_DISABLE & 23238f10872aSVikas Chaudhary 0xFFFF); 2324f8e93412SHarish Zunjarrao break; 2325f8e93412SHarish Zunjarrao case ISCSI_NET_PARAM_TCP_NAGLE_DISABLE: 2326f8e93412SHarish Zunjarrao if (iface_param->iface_num & 0x1) 2327f8e93412SHarish Zunjarrao break; 2328f8e93412SHarish Zunjarrao if (iface_param->value[0] == ISCSI_NET_PARAM_DISABLE) 2329f8e93412SHarish Zunjarrao init_fw_cb->ipv4_tcp_opts |= 2330f8e93412SHarish Zunjarrao cpu_to_le16(TCPOPT_NAGLE_ALGO_DISABLE); 2331f8e93412SHarish Zunjarrao else 2332f8e93412SHarish Zunjarrao init_fw_cb->ipv4_tcp_opts &= 2333f8e93412SHarish Zunjarrao cpu_to_le16(~TCPOPT_NAGLE_ALGO_DISABLE); 2334f8e93412SHarish Zunjarrao break; 2335f8e93412SHarish Zunjarrao case ISCSI_NET_PARAM_TCP_WSF_DISABLE: 2336f8e93412SHarish Zunjarrao if (iface_param->iface_num & 0x1) 2337f8e93412SHarish Zunjarrao break; 2338f8e93412SHarish Zunjarrao if (iface_param->value[0] == ISCSI_NET_PARAM_DISABLE) 2339f8e93412SHarish Zunjarrao init_fw_cb->ipv4_tcp_opts |= 2340f8e93412SHarish Zunjarrao cpu_to_le16(TCPOPT_WINDOW_SCALE_DISABLE); 2341f8e93412SHarish Zunjarrao else 2342f8e93412SHarish Zunjarrao init_fw_cb->ipv4_tcp_opts &= 2343f8e93412SHarish Zunjarrao cpu_to_le16(~TCPOPT_WINDOW_SCALE_DISABLE); 2344f8e93412SHarish Zunjarrao break; 2345f8e93412SHarish Zunjarrao case ISCSI_NET_PARAM_TCP_WSF: 2346f8e93412SHarish Zunjarrao if (iface_param->iface_num & 0x1) 2347f8e93412SHarish Zunjarrao break; 2348f8e93412SHarish Zunjarrao init_fw_cb->ipv4_tcp_wsf = iface_param->value[0]; 2349f8e93412SHarish Zunjarrao break; 2350f8e93412SHarish Zunjarrao case ISCSI_NET_PARAM_TCP_TIMER_SCALE: 2351f8e93412SHarish Zunjarrao if (iface_param->iface_num & 0x1) 2352f8e93412SHarish Zunjarrao break; 2353f8e93412SHarish Zunjarrao init_fw_cb->ipv4_tcp_opts &= cpu_to_le16(~TCPOPT_TIMER_SCALE); 2354f8e93412SHarish Zunjarrao init_fw_cb->ipv4_tcp_opts |= 2355f8e93412SHarish Zunjarrao cpu_to_le16((iface_param->value[0] << 1) & 2356f8e93412SHarish Zunjarrao TCPOPT_TIMER_SCALE); 2357f8e93412SHarish Zunjarrao break; 2358f8e93412SHarish Zunjarrao case ISCSI_NET_PARAM_TCP_TIMESTAMP_EN: 2359f8e93412SHarish Zunjarrao if (iface_param->iface_num & 0x1) 2360f8e93412SHarish Zunjarrao break; 2361f8e93412SHarish Zunjarrao if (iface_param->value[0] == ISCSI_NET_PARAM_ENABLE) 2362f8e93412SHarish Zunjarrao init_fw_cb->ipv4_tcp_opts |= 2363f8e93412SHarish Zunjarrao cpu_to_le16(TCPOPT_TIMESTAMP_ENABLE); 2364f8e93412SHarish Zunjarrao else 2365f8e93412SHarish Zunjarrao init_fw_cb->ipv4_tcp_opts &= 2366f8e93412SHarish Zunjarrao cpu_to_le16(~TCPOPT_TIMESTAMP_ENABLE); 2367f8e93412SHarish Zunjarrao break; 2368f8e93412SHarish Zunjarrao case ISCSI_NET_PARAM_IPV4_DHCP_DNS_ADDR_EN: 2369f8e93412SHarish Zunjarrao if (iface_param->iface_num & 0x1) 2370f8e93412SHarish Zunjarrao break; 2371f8e93412SHarish Zunjarrao if (iface_param->value[0] == ISCSI_NET_PARAM_ENABLE) 2372f8e93412SHarish Zunjarrao init_fw_cb->ipv4_tcp_opts |= 2373f8e93412SHarish Zunjarrao cpu_to_le16(TCPOPT_DNS_SERVER_IP_EN); 2374f8e93412SHarish Zunjarrao else 2375f8e93412SHarish Zunjarrao init_fw_cb->ipv4_tcp_opts &= 2376f8e93412SHarish Zunjarrao cpu_to_le16(~TCPOPT_DNS_SERVER_IP_EN); 2377f8e93412SHarish Zunjarrao break; 2378f8e93412SHarish Zunjarrao case ISCSI_NET_PARAM_IPV4_DHCP_SLP_DA_EN: 2379f8e93412SHarish Zunjarrao if (iface_param->iface_num & 0x1) 2380f8e93412SHarish Zunjarrao break; 2381f8e93412SHarish Zunjarrao if (iface_param->value[0] == ISCSI_NET_PARAM_ENABLE) 2382f8e93412SHarish Zunjarrao init_fw_cb->ipv4_tcp_opts |= 2383f8e93412SHarish Zunjarrao cpu_to_le16(TCPOPT_SLP_DA_INFO_EN); 2384f8e93412SHarish Zunjarrao else 2385f8e93412SHarish Zunjarrao init_fw_cb->ipv4_tcp_opts &= 2386f8e93412SHarish Zunjarrao cpu_to_le16(~TCPOPT_SLP_DA_INFO_EN); 2387f8e93412SHarish Zunjarrao break; 2388f8e93412SHarish Zunjarrao case ISCSI_NET_PARAM_IPV4_TOS_EN: 2389f8e93412SHarish Zunjarrao if (iface_param->iface_num & 0x1) 2390f8e93412SHarish Zunjarrao break; 2391f8e93412SHarish Zunjarrao if (iface_param->value[0] == ISCSI_NET_PARAM_ENABLE) 2392f8e93412SHarish Zunjarrao init_fw_cb->ipv4_ip_opts |= 2393f8e93412SHarish Zunjarrao cpu_to_le16(IPOPT_IPV4_TOS_EN); 2394f8e93412SHarish Zunjarrao else 2395f8e93412SHarish Zunjarrao init_fw_cb->ipv4_ip_opts &= 2396f8e93412SHarish Zunjarrao cpu_to_le16(~IPOPT_IPV4_TOS_EN); 2397f8e93412SHarish Zunjarrao break; 2398f8e93412SHarish Zunjarrao case ISCSI_NET_PARAM_IPV4_TOS: 2399f8e93412SHarish Zunjarrao if (iface_param->iface_num & 0x1) 2400f8e93412SHarish Zunjarrao break; 2401f8e93412SHarish Zunjarrao init_fw_cb->ipv4_tos = iface_param->value[0]; 2402f8e93412SHarish Zunjarrao break; 2403f8e93412SHarish Zunjarrao case ISCSI_NET_PARAM_IPV4_GRAT_ARP_EN: 2404f8e93412SHarish Zunjarrao if (iface_param->iface_num & 0x1) 2405f8e93412SHarish Zunjarrao break; 2406f8e93412SHarish Zunjarrao if (iface_param->value[0] == ISCSI_NET_PARAM_ENABLE) 2407f8e93412SHarish Zunjarrao init_fw_cb->ipv4_ip_opts |= 2408f8e93412SHarish Zunjarrao cpu_to_le16(IPOPT_GRAT_ARP_EN); 2409f8e93412SHarish Zunjarrao else 2410f8e93412SHarish Zunjarrao init_fw_cb->ipv4_ip_opts &= 2411f8e93412SHarish Zunjarrao cpu_to_le16(~IPOPT_GRAT_ARP_EN); 2412f8e93412SHarish Zunjarrao break; 2413f8e93412SHarish Zunjarrao case ISCSI_NET_PARAM_IPV4_DHCP_ALT_CLIENT_ID_EN: 2414f8e93412SHarish Zunjarrao if (iface_param->iface_num & 0x1) 2415f8e93412SHarish Zunjarrao break; 2416f8e93412SHarish Zunjarrao if (iface_param->value[0] == ISCSI_NET_PARAM_ENABLE) 2417f8e93412SHarish Zunjarrao init_fw_cb->ipv4_ip_opts |= 2418f8e93412SHarish Zunjarrao cpu_to_le16(IPOPT_ALT_CID_EN); 2419f8e93412SHarish Zunjarrao else 2420f8e93412SHarish Zunjarrao init_fw_cb->ipv4_ip_opts &= 2421f8e93412SHarish Zunjarrao cpu_to_le16(~IPOPT_ALT_CID_EN); 2422f8e93412SHarish Zunjarrao break; 2423f8e93412SHarish Zunjarrao case ISCSI_NET_PARAM_IPV4_DHCP_ALT_CLIENT_ID: 2424f8e93412SHarish Zunjarrao if (iface_param->iface_num & 0x1) 2425f8e93412SHarish Zunjarrao break; 2426f8e93412SHarish Zunjarrao memcpy(init_fw_cb->ipv4_dhcp_alt_cid, iface_param->value, 2427f8e93412SHarish Zunjarrao (sizeof(init_fw_cb->ipv4_dhcp_alt_cid) - 1)); 2428f8e93412SHarish Zunjarrao init_fw_cb->ipv4_dhcp_alt_cid_len = 2429f8e93412SHarish Zunjarrao strlen(init_fw_cb->ipv4_dhcp_alt_cid); 2430f8e93412SHarish Zunjarrao break; 2431f8e93412SHarish Zunjarrao case ISCSI_NET_PARAM_IPV4_DHCP_REQ_VENDOR_ID_EN: 2432f8e93412SHarish Zunjarrao if (iface_param->iface_num & 0x1) 2433f8e93412SHarish Zunjarrao break; 2434f8e93412SHarish Zunjarrao if (iface_param->value[0] == ISCSI_NET_PARAM_ENABLE) 2435f8e93412SHarish Zunjarrao init_fw_cb->ipv4_ip_opts |= 2436f8e93412SHarish Zunjarrao cpu_to_le16(IPOPT_REQ_VID_EN); 2437f8e93412SHarish Zunjarrao else 2438f8e93412SHarish Zunjarrao init_fw_cb->ipv4_ip_opts &= 2439f8e93412SHarish Zunjarrao cpu_to_le16(~IPOPT_REQ_VID_EN); 2440f8e93412SHarish Zunjarrao break; 2441f8e93412SHarish Zunjarrao case ISCSI_NET_PARAM_IPV4_DHCP_USE_VENDOR_ID_EN: 2442f8e93412SHarish Zunjarrao if (iface_param->iface_num & 0x1) 2443f8e93412SHarish Zunjarrao break; 2444f8e93412SHarish Zunjarrao if (iface_param->value[0] == ISCSI_NET_PARAM_ENABLE) 2445f8e93412SHarish Zunjarrao init_fw_cb->ipv4_ip_opts |= 2446f8e93412SHarish Zunjarrao cpu_to_le16(IPOPT_USE_VID_EN); 2447f8e93412SHarish Zunjarrao else 2448f8e93412SHarish Zunjarrao init_fw_cb->ipv4_ip_opts &= 2449f8e93412SHarish Zunjarrao cpu_to_le16(~IPOPT_USE_VID_EN); 2450f8e93412SHarish Zunjarrao break; 2451f8e93412SHarish Zunjarrao case ISCSI_NET_PARAM_IPV4_DHCP_VENDOR_ID: 2452f8e93412SHarish Zunjarrao if (iface_param->iface_num & 0x1) 2453f8e93412SHarish Zunjarrao break; 2454f8e93412SHarish Zunjarrao memcpy(init_fw_cb->ipv4_dhcp_vid, iface_param->value, 2455f8e93412SHarish Zunjarrao (sizeof(init_fw_cb->ipv4_dhcp_vid) - 1)); 2456f8e93412SHarish Zunjarrao init_fw_cb->ipv4_dhcp_vid_len = 2457f8e93412SHarish Zunjarrao strlen(init_fw_cb->ipv4_dhcp_vid); 2458f8e93412SHarish Zunjarrao break; 2459f8e93412SHarish Zunjarrao case ISCSI_NET_PARAM_IPV4_DHCP_LEARN_IQN_EN: 2460f8e93412SHarish Zunjarrao if (iface_param->iface_num & 0x1) 2461f8e93412SHarish Zunjarrao break; 2462f8e93412SHarish Zunjarrao if (iface_param->value[0] == ISCSI_NET_PARAM_ENABLE) 2463f8e93412SHarish Zunjarrao init_fw_cb->ipv4_ip_opts |= 2464f8e93412SHarish Zunjarrao cpu_to_le16(IPOPT_LEARN_IQN_EN); 2465f8e93412SHarish Zunjarrao else 2466f8e93412SHarish Zunjarrao init_fw_cb->ipv4_ip_opts &= 2467f8e93412SHarish Zunjarrao cpu_to_le16(~IPOPT_LEARN_IQN_EN); 2468f8e93412SHarish Zunjarrao break; 2469f8e93412SHarish Zunjarrao case ISCSI_NET_PARAM_IPV4_FRAGMENT_DISABLE: 2470f8e93412SHarish Zunjarrao if (iface_param->iface_num & 0x1) 2471f8e93412SHarish Zunjarrao break; 2472f8e93412SHarish Zunjarrao if (iface_param->value[0] == ISCSI_NET_PARAM_DISABLE) 2473f8e93412SHarish Zunjarrao init_fw_cb->ipv4_ip_opts |= 2474f8e93412SHarish Zunjarrao cpu_to_le16(IPOPT_FRAGMENTATION_DISABLE); 2475f8e93412SHarish Zunjarrao else 2476f8e93412SHarish Zunjarrao init_fw_cb->ipv4_ip_opts &= 2477f8e93412SHarish Zunjarrao cpu_to_le16(~IPOPT_FRAGMENTATION_DISABLE); 2478f8e93412SHarish Zunjarrao break; 2479f8e93412SHarish Zunjarrao case ISCSI_NET_PARAM_IPV4_IN_FORWARD_EN: 2480f8e93412SHarish Zunjarrao if (iface_param->iface_num & 0x1) 2481f8e93412SHarish Zunjarrao break; 2482f8e93412SHarish Zunjarrao if (iface_param->value[0] == ISCSI_NET_PARAM_ENABLE) 2483f8e93412SHarish Zunjarrao init_fw_cb->ipv4_ip_opts |= 2484f8e93412SHarish Zunjarrao cpu_to_le16(IPOPT_IN_FORWARD_EN); 2485f8e93412SHarish Zunjarrao else 2486f8e93412SHarish Zunjarrao init_fw_cb->ipv4_ip_opts &= 2487f8e93412SHarish Zunjarrao cpu_to_le16(~IPOPT_IN_FORWARD_EN); 2488f8e93412SHarish Zunjarrao break; 2489f8e93412SHarish Zunjarrao case ISCSI_NET_PARAM_REDIRECT_EN: 2490f8e93412SHarish Zunjarrao if (iface_param->iface_num & 0x1) 2491f8e93412SHarish Zunjarrao break; 2492f8e93412SHarish Zunjarrao if (iface_param->value[0] == ISCSI_NET_PARAM_ENABLE) 2493f8e93412SHarish Zunjarrao init_fw_cb->ipv4_ip_opts |= 2494f8e93412SHarish Zunjarrao cpu_to_le16(IPOPT_ARP_REDIRECT_EN); 2495f8e93412SHarish Zunjarrao else 2496f8e93412SHarish Zunjarrao init_fw_cb->ipv4_ip_opts &= 2497f8e93412SHarish Zunjarrao cpu_to_le16(~IPOPT_ARP_REDIRECT_EN); 2498f8e93412SHarish Zunjarrao break; 2499f8e93412SHarish Zunjarrao case ISCSI_NET_PARAM_IPV4_TTL: 2500f8e93412SHarish Zunjarrao if (iface_param->iface_num & 0x1) 2501f8e93412SHarish Zunjarrao break; 2502f8e93412SHarish Zunjarrao init_fw_cb->ipv4_ttl = iface_param->value[0]; 2503f8e93412SHarish Zunjarrao break; 2504d00efe3fSMike Christie default: 2505d00efe3fSMike Christie ql4_printk(KERN_ERR, ha, "Unknown IPv4 param = %d\n", 2506d00efe3fSMike Christie iface_param->param); 2507d00efe3fSMike Christie break; 2508d00efe3fSMike Christie } 2509d00efe3fSMike Christie } 2510d00efe3fSMike Christie 2511f8e93412SHarish Zunjarrao static void qla4xxx_set_iscsi_param(struct scsi_qla_host *ha, 2512f8e93412SHarish Zunjarrao struct iscsi_iface_param_info *iface_param, 2513f8e93412SHarish Zunjarrao struct addr_ctrl_blk *init_fw_cb) 2514f8e93412SHarish Zunjarrao { 2515f8e93412SHarish Zunjarrao switch (iface_param->param) { 2516f8e93412SHarish Zunjarrao case ISCSI_IFACE_PARAM_DEF_TASKMGMT_TMO: 2517f8e93412SHarish Zunjarrao if (iface_param->iface_num & 0x1) 2518f8e93412SHarish Zunjarrao break; 2519f8e93412SHarish Zunjarrao init_fw_cb->def_timeout = 2520f8e93412SHarish Zunjarrao cpu_to_le16(*(uint16_t *)iface_param->value); 2521f8e93412SHarish Zunjarrao break; 2522f8e93412SHarish Zunjarrao case ISCSI_IFACE_PARAM_HDRDGST_EN: 2523f8e93412SHarish Zunjarrao if (iface_param->iface_num & 0x1) 2524f8e93412SHarish Zunjarrao break; 2525f8e93412SHarish Zunjarrao if (iface_param->value[0] == ISCSI_NET_PARAM_ENABLE) 2526f8e93412SHarish Zunjarrao init_fw_cb->iscsi_opts |= 2527f8e93412SHarish Zunjarrao cpu_to_le16(ISCSIOPTS_HEADER_DIGEST_EN); 2528f8e93412SHarish Zunjarrao else 2529f8e93412SHarish Zunjarrao init_fw_cb->iscsi_opts &= 2530f8e93412SHarish Zunjarrao cpu_to_le16(~ISCSIOPTS_HEADER_DIGEST_EN); 2531f8e93412SHarish Zunjarrao break; 2532f8e93412SHarish Zunjarrao case ISCSI_IFACE_PARAM_DATADGST_EN: 2533f8e93412SHarish Zunjarrao if (iface_param->iface_num & 0x1) 2534f8e93412SHarish Zunjarrao break; 2535f8e93412SHarish Zunjarrao if (iface_param->value[0] == ISCSI_NET_PARAM_ENABLE) 2536f8e93412SHarish Zunjarrao init_fw_cb->iscsi_opts |= 2537f8e93412SHarish Zunjarrao cpu_to_le16(ISCSIOPTS_DATA_DIGEST_EN); 2538f8e93412SHarish Zunjarrao else 2539f8e93412SHarish Zunjarrao init_fw_cb->iscsi_opts &= 2540f8e93412SHarish Zunjarrao cpu_to_le16(~ISCSIOPTS_DATA_DIGEST_EN); 2541f8e93412SHarish Zunjarrao break; 2542f8e93412SHarish Zunjarrao case ISCSI_IFACE_PARAM_IMM_DATA_EN: 2543f8e93412SHarish Zunjarrao if (iface_param->iface_num & 0x1) 2544f8e93412SHarish Zunjarrao break; 2545f8e93412SHarish Zunjarrao if (iface_param->value[0] == ISCSI_NET_PARAM_ENABLE) 2546f8e93412SHarish Zunjarrao init_fw_cb->iscsi_opts |= 2547f8e93412SHarish Zunjarrao cpu_to_le16(ISCSIOPTS_IMMEDIATE_DATA_EN); 2548f8e93412SHarish Zunjarrao else 2549f8e93412SHarish Zunjarrao init_fw_cb->iscsi_opts &= 2550f8e93412SHarish Zunjarrao cpu_to_le16(~ISCSIOPTS_IMMEDIATE_DATA_EN); 2551f8e93412SHarish Zunjarrao break; 2552f8e93412SHarish Zunjarrao case ISCSI_IFACE_PARAM_INITIAL_R2T_EN: 2553f8e93412SHarish Zunjarrao if (iface_param->iface_num & 0x1) 2554f8e93412SHarish Zunjarrao break; 2555f8e93412SHarish Zunjarrao if (iface_param->value[0] == ISCSI_NET_PARAM_ENABLE) 2556f8e93412SHarish Zunjarrao init_fw_cb->iscsi_opts |= 2557f8e93412SHarish Zunjarrao cpu_to_le16(ISCSIOPTS_INITIAL_R2T_EN); 2558f8e93412SHarish Zunjarrao else 2559f8e93412SHarish Zunjarrao init_fw_cb->iscsi_opts &= 2560f8e93412SHarish Zunjarrao cpu_to_le16(~ISCSIOPTS_INITIAL_R2T_EN); 2561f8e93412SHarish Zunjarrao break; 2562f8e93412SHarish Zunjarrao case ISCSI_IFACE_PARAM_DATASEQ_INORDER_EN: 2563f8e93412SHarish Zunjarrao if (iface_param->iface_num & 0x1) 2564f8e93412SHarish Zunjarrao break; 2565f8e93412SHarish Zunjarrao if (iface_param->value[0] == ISCSI_NET_PARAM_ENABLE) 2566f8e93412SHarish Zunjarrao init_fw_cb->iscsi_opts |= 2567f8e93412SHarish Zunjarrao cpu_to_le16(ISCSIOPTS_DATA_SEQ_INORDER_EN); 2568f8e93412SHarish Zunjarrao else 2569f8e93412SHarish Zunjarrao init_fw_cb->iscsi_opts &= 2570f8e93412SHarish Zunjarrao cpu_to_le16(~ISCSIOPTS_DATA_SEQ_INORDER_EN); 2571f8e93412SHarish Zunjarrao break; 2572f8e93412SHarish Zunjarrao case ISCSI_IFACE_PARAM_PDU_INORDER_EN: 2573f8e93412SHarish Zunjarrao if (iface_param->iface_num & 0x1) 2574f8e93412SHarish Zunjarrao break; 2575f8e93412SHarish Zunjarrao if (iface_param->value[0] == ISCSI_NET_PARAM_ENABLE) 2576f8e93412SHarish Zunjarrao init_fw_cb->iscsi_opts |= 2577f8e93412SHarish Zunjarrao cpu_to_le16(ISCSIOPTS_DATA_PDU_INORDER_EN); 2578f8e93412SHarish Zunjarrao else 2579f8e93412SHarish Zunjarrao init_fw_cb->iscsi_opts &= 2580f8e93412SHarish Zunjarrao cpu_to_le16(~ISCSIOPTS_DATA_PDU_INORDER_EN); 2581f8e93412SHarish Zunjarrao break; 2582f8e93412SHarish Zunjarrao case ISCSI_IFACE_PARAM_ERL: 2583f8e93412SHarish Zunjarrao if (iface_param->iface_num & 0x1) 2584f8e93412SHarish Zunjarrao break; 2585f8e93412SHarish Zunjarrao init_fw_cb->iscsi_opts &= cpu_to_le16(~ISCSIOPTS_ERL); 2586f8e93412SHarish Zunjarrao init_fw_cb->iscsi_opts |= cpu_to_le16(iface_param->value[0] & 2587f8e93412SHarish Zunjarrao ISCSIOPTS_ERL); 2588f8e93412SHarish Zunjarrao break; 2589f8e93412SHarish Zunjarrao case ISCSI_IFACE_PARAM_MAX_RECV_DLENGTH: 2590f8e93412SHarish Zunjarrao if (iface_param->iface_num & 0x1) 2591f8e93412SHarish Zunjarrao break; 2592f8e93412SHarish Zunjarrao init_fw_cb->iscsi_max_pdu_size = 2593f8e93412SHarish Zunjarrao cpu_to_le32(*(uint32_t *)iface_param->value) / 2594f8e93412SHarish Zunjarrao BYTE_UNITS; 2595f8e93412SHarish Zunjarrao break; 2596f8e93412SHarish Zunjarrao case ISCSI_IFACE_PARAM_FIRST_BURST: 2597f8e93412SHarish Zunjarrao if (iface_param->iface_num & 0x1) 2598f8e93412SHarish Zunjarrao break; 2599f8e93412SHarish Zunjarrao init_fw_cb->iscsi_fburst_len = 2600f8e93412SHarish Zunjarrao cpu_to_le32(*(uint32_t *)iface_param->value) / 2601f8e93412SHarish Zunjarrao BYTE_UNITS; 2602f8e93412SHarish Zunjarrao break; 2603f8e93412SHarish Zunjarrao case ISCSI_IFACE_PARAM_MAX_R2T: 2604f8e93412SHarish Zunjarrao if (iface_param->iface_num & 0x1) 2605f8e93412SHarish Zunjarrao break; 2606f8e93412SHarish Zunjarrao init_fw_cb->iscsi_max_outstnd_r2t = 2607f8e93412SHarish Zunjarrao cpu_to_le16(*(uint16_t *)iface_param->value); 2608f8e93412SHarish Zunjarrao break; 2609f8e93412SHarish Zunjarrao case ISCSI_IFACE_PARAM_MAX_BURST: 2610f8e93412SHarish Zunjarrao if (iface_param->iface_num & 0x1) 2611f8e93412SHarish Zunjarrao break; 2612f8e93412SHarish Zunjarrao init_fw_cb->iscsi_max_burst_len = 2613f8e93412SHarish Zunjarrao cpu_to_le32(*(uint32_t *)iface_param->value) / 2614f8e93412SHarish Zunjarrao BYTE_UNITS; 2615f8e93412SHarish Zunjarrao break; 2616f8e93412SHarish Zunjarrao case ISCSI_IFACE_PARAM_CHAP_AUTH_EN: 2617f8e93412SHarish Zunjarrao if (iface_param->iface_num & 0x1) 2618f8e93412SHarish Zunjarrao break; 2619f8e93412SHarish Zunjarrao if (iface_param->value[0] == ISCSI_NET_PARAM_ENABLE) 2620f8e93412SHarish Zunjarrao init_fw_cb->iscsi_opts |= 2621f8e93412SHarish Zunjarrao cpu_to_le16(ISCSIOPTS_CHAP_AUTH_EN); 2622f8e93412SHarish Zunjarrao else 2623f8e93412SHarish Zunjarrao init_fw_cb->iscsi_opts &= 2624f8e93412SHarish Zunjarrao cpu_to_le16(~ISCSIOPTS_CHAP_AUTH_EN); 2625f8e93412SHarish Zunjarrao break; 2626f8e93412SHarish Zunjarrao case ISCSI_IFACE_PARAM_BIDI_CHAP_EN: 2627f8e93412SHarish Zunjarrao if (iface_param->iface_num & 0x1) 2628f8e93412SHarish Zunjarrao break; 2629f8e93412SHarish Zunjarrao if (iface_param->value[0] == ISCSI_NET_PARAM_ENABLE) 2630f8e93412SHarish Zunjarrao init_fw_cb->iscsi_opts |= 2631f8e93412SHarish Zunjarrao cpu_to_le16(ISCSIOPTS_BIDI_CHAP_EN); 2632f8e93412SHarish Zunjarrao else 2633f8e93412SHarish Zunjarrao init_fw_cb->iscsi_opts &= 2634f8e93412SHarish Zunjarrao cpu_to_le16(~ISCSIOPTS_BIDI_CHAP_EN); 2635f8e93412SHarish Zunjarrao break; 2636f8e93412SHarish Zunjarrao case ISCSI_IFACE_PARAM_DISCOVERY_AUTH_OPTIONAL: 2637f8e93412SHarish Zunjarrao if (iface_param->iface_num & 0x1) 2638f8e93412SHarish Zunjarrao break; 2639f8e93412SHarish Zunjarrao if (iface_param->value[0] == ISCSI_NET_PARAM_ENABLE) 2640f8e93412SHarish Zunjarrao init_fw_cb->iscsi_opts |= 2641f8e93412SHarish Zunjarrao cpu_to_le16(ISCSIOPTS_DISCOVERY_AUTH_EN); 2642f8e93412SHarish Zunjarrao else 2643f8e93412SHarish Zunjarrao init_fw_cb->iscsi_opts &= 2644f8e93412SHarish Zunjarrao cpu_to_le16(~ISCSIOPTS_DISCOVERY_AUTH_EN); 2645f8e93412SHarish Zunjarrao break; 2646f8e93412SHarish Zunjarrao case ISCSI_IFACE_PARAM_DISCOVERY_LOGOUT_EN: 2647f8e93412SHarish Zunjarrao if (iface_param->iface_num & 0x1) 2648f8e93412SHarish Zunjarrao break; 2649f8e93412SHarish Zunjarrao if (iface_param->value[0] == ISCSI_NET_PARAM_ENABLE) 2650f8e93412SHarish Zunjarrao init_fw_cb->iscsi_opts |= 2651f8e93412SHarish Zunjarrao cpu_to_le16(ISCSIOPTS_DISCOVERY_LOGOUT_EN); 2652f8e93412SHarish Zunjarrao else 2653f8e93412SHarish Zunjarrao init_fw_cb->iscsi_opts &= 2654f8e93412SHarish Zunjarrao cpu_to_le16(~ISCSIOPTS_DISCOVERY_LOGOUT_EN); 2655f8e93412SHarish Zunjarrao break; 2656f8e93412SHarish Zunjarrao case ISCSI_IFACE_PARAM_STRICT_LOGIN_COMP_EN: 2657f8e93412SHarish Zunjarrao if (iface_param->iface_num & 0x1) 2658f8e93412SHarish Zunjarrao break; 2659f8e93412SHarish Zunjarrao if (iface_param->value[0] == ISCSI_NET_PARAM_ENABLE) 2660f8e93412SHarish Zunjarrao init_fw_cb->iscsi_opts |= 2661f8e93412SHarish Zunjarrao cpu_to_le16(ISCSIOPTS_STRICT_LOGIN_COMP_EN); 2662f8e93412SHarish Zunjarrao else 2663f8e93412SHarish Zunjarrao init_fw_cb->iscsi_opts &= 2664f8e93412SHarish Zunjarrao cpu_to_le16(~ISCSIOPTS_STRICT_LOGIN_COMP_EN); 2665f8e93412SHarish Zunjarrao break; 2666f8e93412SHarish Zunjarrao default: 2667f8e93412SHarish Zunjarrao ql4_printk(KERN_ERR, ha, "Unknown iscsi param = %d\n", 2668f8e93412SHarish Zunjarrao iface_param->param); 2669f8e93412SHarish Zunjarrao break; 2670f8e93412SHarish Zunjarrao } 2671f8e93412SHarish Zunjarrao } 2672f8e93412SHarish Zunjarrao 2673d00efe3fSMike Christie static void 2674d00efe3fSMike Christie qla4xxx_initcb_to_acb(struct addr_ctrl_blk *init_fw_cb) 2675d00efe3fSMike Christie { 2676d00efe3fSMike Christie struct addr_ctrl_blk_def *acb; 2677d00efe3fSMike Christie acb = (struct addr_ctrl_blk_def *)init_fw_cb; 2678d00efe3fSMike Christie memset(acb->reserved1, 0, sizeof(acb->reserved1)); 2679d00efe3fSMike Christie memset(acb->reserved2, 0, sizeof(acb->reserved2)); 2680d00efe3fSMike Christie memset(acb->reserved3, 0, sizeof(acb->reserved3)); 2681d00efe3fSMike Christie memset(acb->reserved4, 0, sizeof(acb->reserved4)); 2682d00efe3fSMike Christie memset(acb->reserved5, 0, sizeof(acb->reserved5)); 2683d00efe3fSMike Christie memset(acb->reserved6, 0, sizeof(acb->reserved6)); 2684d00efe3fSMike Christie memset(acb->reserved7, 0, sizeof(acb->reserved7)); 2685d00efe3fSMike Christie memset(acb->reserved8, 0, sizeof(acb->reserved8)); 2686d00efe3fSMike Christie memset(acb->reserved9, 0, sizeof(acb->reserved9)); 2687d00efe3fSMike Christie memset(acb->reserved10, 0, sizeof(acb->reserved10)); 2688d00efe3fSMike Christie memset(acb->reserved11, 0, sizeof(acb->reserved11)); 2689d00efe3fSMike Christie memset(acb->reserved12, 0, sizeof(acb->reserved12)); 2690d00efe3fSMike Christie memset(acb->reserved13, 0, sizeof(acb->reserved13)); 2691d00efe3fSMike Christie memset(acb->reserved14, 0, sizeof(acb->reserved14)); 2692d00efe3fSMike Christie memset(acb->reserved15, 0, sizeof(acb->reserved15)); 2693d00efe3fSMike Christie } 2694d00efe3fSMike Christie 2695d00efe3fSMike Christie static int 269600c31889SMike Christie qla4xxx_iface_set_param(struct Scsi_Host *shost, void *data, uint32_t len) 2697d00efe3fSMike Christie { 2698d00efe3fSMike Christie struct scsi_qla_host *ha = to_qla_host(shost); 2699d00efe3fSMike Christie int rval = 0; 2700d00efe3fSMike Christie struct iscsi_iface_param_info *iface_param = NULL; 2701d00efe3fSMike Christie struct addr_ctrl_blk *init_fw_cb = NULL; 2702d00efe3fSMike Christie dma_addr_t init_fw_cb_dma; 2703d00efe3fSMike Christie uint32_t mbox_cmd[MBOX_REG_COUNT]; 2704d00efe3fSMike Christie uint32_t mbox_sts[MBOX_REG_COUNT]; 270500c31889SMike Christie uint32_t rem = len; 270600c31889SMike Christie struct nlattr *attr; 2707d00efe3fSMike Christie 2708d103adb3SHimanshu Jha init_fw_cb = dma_zalloc_coherent(&ha->pdev->dev, 2709d00efe3fSMike Christie sizeof(struct addr_ctrl_blk), 2710d00efe3fSMike Christie &init_fw_cb_dma, GFP_KERNEL); 2711d00efe3fSMike Christie if (!init_fw_cb) { 2712d00efe3fSMike Christie ql4_printk(KERN_ERR, ha, "%s: Unable to alloc init_cb\n", 2713d00efe3fSMike Christie __func__); 2714d00efe3fSMike Christie return -ENOMEM; 2715d00efe3fSMike Christie } 2716d00efe3fSMike Christie 2717d00efe3fSMike Christie memset(&mbox_cmd, 0, sizeof(mbox_cmd)); 2718d00efe3fSMike Christie memset(&mbox_sts, 0, sizeof(mbox_sts)); 2719d00efe3fSMike Christie 2720d00efe3fSMike Christie if (qla4xxx_get_ifcb(ha, &mbox_cmd[0], &mbox_sts[0], init_fw_cb_dma)) { 2721d00efe3fSMike Christie ql4_printk(KERN_ERR, ha, "%s: get ifcb failed\n", __func__); 2722d00efe3fSMike Christie rval = -EIO; 2723d00efe3fSMike Christie goto exit_init_fw_cb; 2724d00efe3fSMike Christie } 2725d00efe3fSMike Christie 272600c31889SMike Christie nla_for_each_attr(attr, data, len, rem) { 272700c31889SMike Christie iface_param = nla_data(attr); 2728d00efe3fSMike Christie 2729f8e93412SHarish Zunjarrao if (iface_param->param_type == ISCSI_NET_PARAM) { 2730d00efe3fSMike Christie switch (iface_param->iface_type) { 2731d00efe3fSMike Christie case ISCSI_IFACE_TYPE_IPV4: 2732d00efe3fSMike Christie switch (iface_param->iface_num) { 2733d00efe3fSMike Christie case 0: 2734f8e93412SHarish Zunjarrao qla4xxx_set_ipv4(ha, iface_param, 2735f8e93412SHarish Zunjarrao init_fw_cb); 2736d00efe3fSMike Christie break; 2737d00efe3fSMike Christie default: 2738d00efe3fSMike Christie /* Cannot have more than one IPv4 interface */ 2739f8e93412SHarish Zunjarrao ql4_printk(KERN_ERR, ha, 2740f8e93412SHarish Zunjarrao "Invalid IPv4 iface number = %d\n", 2741d00efe3fSMike Christie iface_param->iface_num); 2742d00efe3fSMike Christie break; 2743d00efe3fSMike Christie } 2744d00efe3fSMike Christie break; 2745d00efe3fSMike Christie case ISCSI_IFACE_TYPE_IPV6: 2746d00efe3fSMike Christie switch (iface_param->iface_num) { 2747d00efe3fSMike Christie case 0: 2748d00efe3fSMike Christie case 1: 2749f8e93412SHarish Zunjarrao qla4xxx_set_ipv6(ha, iface_param, 2750f8e93412SHarish Zunjarrao init_fw_cb); 2751d00efe3fSMike Christie break; 2752d00efe3fSMike Christie default: 2753d00efe3fSMike Christie /* Cannot have more than two IPv6 interface */ 2754f8e93412SHarish Zunjarrao ql4_printk(KERN_ERR, ha, 2755f8e93412SHarish Zunjarrao "Invalid IPv6 iface number = %d\n", 2756d00efe3fSMike Christie iface_param->iface_num); 2757d00efe3fSMike Christie break; 2758d00efe3fSMike Christie } 2759d00efe3fSMike Christie break; 2760d00efe3fSMike Christie default: 2761f8e93412SHarish Zunjarrao ql4_printk(KERN_ERR, ha, 2762f8e93412SHarish Zunjarrao "Invalid iface type\n"); 2763d00efe3fSMike Christie break; 2764d00efe3fSMike Christie } 2765f8e93412SHarish Zunjarrao } else if (iface_param->param_type == ISCSI_IFACE_PARAM) { 2766f8e93412SHarish Zunjarrao qla4xxx_set_iscsi_param(ha, iface_param, 2767f8e93412SHarish Zunjarrao init_fw_cb); 2768f8e93412SHarish Zunjarrao } else { 2769f8e93412SHarish Zunjarrao continue; 2770f8e93412SHarish Zunjarrao } 2771d00efe3fSMike Christie } 2772d00efe3fSMike Christie 2773d00efe3fSMike Christie init_fw_cb->cookie = cpu_to_le32(0x11BEAD5A); 2774d00efe3fSMike Christie 2775d00efe3fSMike Christie rval = qla4xxx_set_flash(ha, init_fw_cb_dma, FLASH_SEGMENT_IFCB, 2776d00efe3fSMike Christie sizeof(struct addr_ctrl_blk), 2777d00efe3fSMike Christie FLASH_OPT_RMW_COMMIT); 2778d00efe3fSMike Christie if (rval != QLA_SUCCESS) { 2779d00efe3fSMike Christie ql4_printk(KERN_ERR, ha, "%s: set flash mbx failed\n", 2780d00efe3fSMike Christie __func__); 2781d00efe3fSMike Christie rval = -EIO; 2782d00efe3fSMike Christie goto exit_init_fw_cb; 2783d00efe3fSMike Christie } 2784d00efe3fSMike Christie 2785ce505f9dSVikas Chaudhary rval = qla4xxx_disable_acb(ha); 2786ce505f9dSVikas Chaudhary if (rval != QLA_SUCCESS) { 2787ce505f9dSVikas Chaudhary ql4_printk(KERN_ERR, ha, "%s: disable acb mbx failed\n", 2788ce505f9dSVikas Chaudhary __func__); 2789ce505f9dSVikas Chaudhary rval = -EIO; 2790ce505f9dSVikas Chaudhary goto exit_init_fw_cb; 2791ce505f9dSVikas Chaudhary } 2792ce505f9dSVikas Chaudhary 2793ce505f9dSVikas Chaudhary wait_for_completion_timeout(&ha->disable_acb_comp, 2794ce505f9dSVikas Chaudhary DISABLE_ACB_TOV * HZ); 2795d00efe3fSMike Christie 2796d00efe3fSMike Christie qla4xxx_initcb_to_acb(init_fw_cb); 2797d00efe3fSMike Christie 2798d00efe3fSMike Christie rval = qla4xxx_set_acb(ha, &mbox_cmd[0], &mbox_sts[0], init_fw_cb_dma); 2799d00efe3fSMike Christie if (rval != QLA_SUCCESS) { 2800d00efe3fSMike Christie ql4_printk(KERN_ERR, ha, "%s: set acb mbx failed\n", 2801d00efe3fSMike Christie __func__); 2802d00efe3fSMike Christie rval = -EIO; 2803d00efe3fSMike Christie goto exit_init_fw_cb; 2804d00efe3fSMike Christie } 2805d00efe3fSMike Christie 2806d00efe3fSMike Christie memset(init_fw_cb, 0, sizeof(struct addr_ctrl_blk)); 2807d00efe3fSMike Christie qla4xxx_update_local_ifcb(ha, &mbox_cmd[0], &mbox_sts[0], init_fw_cb, 2808d00efe3fSMike Christie init_fw_cb_dma); 2809d00efe3fSMike Christie 2810d00efe3fSMike Christie exit_init_fw_cb: 2811d00efe3fSMike Christie dma_free_coherent(&ha->pdev->dev, sizeof(struct addr_ctrl_blk), 2812d00efe3fSMike Christie init_fw_cb, init_fw_cb_dma); 2813d00efe3fSMike Christie 2814d00efe3fSMike Christie return rval; 2815d00efe3fSMike Christie } 2816d00efe3fSMike Christie 2817fca9f04dSMike Christie static int qla4xxx_session_get_param(struct iscsi_cls_session *cls_sess, 2818fca9f04dSMike Christie enum iscsi_param param, char *buf) 2819fca9f04dSMike Christie { 2820fca9f04dSMike Christie struct iscsi_session *sess = cls_sess->dd_data; 2821fca9f04dSMike Christie struct ddb_entry *ddb_entry = sess->dd_data; 2822fca9f04dSMike Christie struct scsi_qla_host *ha = ddb_entry->ha; 282397c2730cSAdheer Chandravanshi struct iscsi_cls_conn *cls_conn = ddb_entry->conn; 282497c2730cSAdheer Chandravanshi struct ql4_chap_table chap_tbl; 2825fca9f04dSMike Christie int rval, len; 2826fca9f04dSMike Christie uint16_t idx; 2827fca9f04dSMike Christie 282897c2730cSAdheer Chandravanshi memset(&chap_tbl, 0, sizeof(chap_tbl)); 2829fca9f04dSMike Christie switch (param) { 2830fca9f04dSMike Christie case ISCSI_PARAM_CHAP_IN_IDX: 2831fca9f04dSMike Christie rval = qla4xxx_get_chap_index(ha, sess->username_in, 2832fca9f04dSMike Christie sess->password_in, BIDI_CHAP, 2833fca9f04dSMike Christie &idx); 2834fca9f04dSMike Christie if (rval) 2835c7a5e0d0SManish Rangankar len = sprintf(buf, "\n"); 2836c7a5e0d0SManish Rangankar else 2837fca9f04dSMike Christie len = sprintf(buf, "%hu\n", idx); 2838fca9f04dSMike Christie break; 2839fca9f04dSMike Christie case ISCSI_PARAM_CHAP_OUT_IDX: 284097c2730cSAdheer Chandravanshi if (ddb_entry->ddb_type == FLASH_DDB) { 284197c2730cSAdheer Chandravanshi if (ddb_entry->chap_tbl_idx != INVALID_ENTRY) { 284297c2730cSAdheer Chandravanshi idx = ddb_entry->chap_tbl_idx; 284397c2730cSAdheer Chandravanshi rval = QLA_SUCCESS; 284497c2730cSAdheer Chandravanshi } else { 284597c2730cSAdheer Chandravanshi rval = QLA_ERROR; 284697c2730cSAdheer Chandravanshi } 284797c2730cSAdheer Chandravanshi } else { 2848fca9f04dSMike Christie rval = qla4xxx_get_chap_index(ha, sess->username, 284997c2730cSAdheer Chandravanshi sess->password, 285097c2730cSAdheer Chandravanshi LOCAL_CHAP, &idx); 285197c2730cSAdheer Chandravanshi } 2852fca9f04dSMike Christie if (rval) 2853c7a5e0d0SManish Rangankar len = sprintf(buf, "\n"); 2854c7a5e0d0SManish Rangankar else 2855fca9f04dSMike Christie len = sprintf(buf, "%hu\n", idx); 2856fca9f04dSMike Christie break; 285797c2730cSAdheer Chandravanshi case ISCSI_PARAM_USERNAME: 285897c2730cSAdheer Chandravanshi case ISCSI_PARAM_PASSWORD: 285997c2730cSAdheer Chandravanshi /* First, populate session username and password for FLASH DDB, 286097c2730cSAdheer Chandravanshi * if not already done. This happens when session login fails 286197c2730cSAdheer Chandravanshi * for a FLASH DDB. 286297c2730cSAdheer Chandravanshi */ 286397c2730cSAdheer Chandravanshi if (ddb_entry->ddb_type == FLASH_DDB && 286497c2730cSAdheer Chandravanshi ddb_entry->chap_tbl_idx != INVALID_ENTRY && 286597c2730cSAdheer Chandravanshi !sess->username && !sess->password) { 286697c2730cSAdheer Chandravanshi idx = ddb_entry->chap_tbl_idx; 286797c2730cSAdheer Chandravanshi rval = qla4xxx_get_uni_chap_at_index(ha, chap_tbl.name, 286897c2730cSAdheer Chandravanshi chap_tbl.secret, 286997c2730cSAdheer Chandravanshi idx); 287097c2730cSAdheer Chandravanshi if (!rval) { 287197c2730cSAdheer Chandravanshi iscsi_set_param(cls_conn, ISCSI_PARAM_USERNAME, 287297c2730cSAdheer Chandravanshi (char *)chap_tbl.name, 287397c2730cSAdheer Chandravanshi strlen((char *)chap_tbl.name)); 287497c2730cSAdheer Chandravanshi iscsi_set_param(cls_conn, ISCSI_PARAM_PASSWORD, 287597c2730cSAdheer Chandravanshi (char *)chap_tbl.secret, 287697c2730cSAdheer Chandravanshi chap_tbl.secret_len); 287797c2730cSAdheer Chandravanshi } 287897c2730cSAdheer Chandravanshi } 287997c2730cSAdheer Chandravanshi /* allow fall-through */ 2880fca9f04dSMike Christie default: 2881fca9f04dSMike Christie return iscsi_session_get_param(cls_sess, param, buf); 2882fca9f04dSMike Christie } 2883fca9f04dSMike Christie 2884fca9f04dSMike Christie return len; 2885fca9f04dSMike Christie } 2886fca9f04dSMike Christie 2887b3a271a9SManish Rangankar static int qla4xxx_conn_get_param(struct iscsi_cls_conn *cls_conn, 2888afaf5a2dSDavid Somayajulu enum iscsi_param param, char *buf) 2889afaf5a2dSDavid Somayajulu { 2890b3a271a9SManish Rangankar struct iscsi_conn *conn; 2891b3a271a9SManish Rangankar struct qla_conn *qla_conn; 2892b3a271a9SManish Rangankar struct sockaddr *dst_addr; 2893afaf5a2dSDavid Somayajulu 2894b3a271a9SManish Rangankar conn = cls_conn->dd_data; 2895b3a271a9SManish Rangankar qla_conn = conn->dd_data; 2896d46bdeb1SManish Rangankar dst_addr = (struct sockaddr *)&qla_conn->qla_ep->dst_addr; 2897afaf5a2dSDavid Somayajulu 2898afaf5a2dSDavid Somayajulu switch (param) { 2899afaf5a2dSDavid Somayajulu case ISCSI_PARAM_CONN_PORT: 2900afaf5a2dSDavid Somayajulu case ISCSI_PARAM_CONN_ADDRESS: 2901b3a271a9SManish Rangankar return iscsi_conn_get_addr_param((struct sockaddr_storage *) 2902b3a271a9SManish Rangankar dst_addr, param, buf); 2903afaf5a2dSDavid Somayajulu default: 2904b3a271a9SManish Rangankar return iscsi_conn_get_param(cls_conn, param, buf); 2905afaf5a2dSDavid Somayajulu } 2906afaf5a2dSDavid Somayajulu } 2907afaf5a2dSDavid Somayajulu 290813483730SMike Christie int qla4xxx_get_ddb_index(struct scsi_qla_host *ha, uint16_t *ddb_index) 290913483730SMike Christie { 291013483730SMike Christie uint32_t mbx_sts = 0; 291113483730SMike Christie uint16_t tmp_ddb_index; 291213483730SMike Christie int ret; 291313483730SMike Christie 291413483730SMike Christie get_ddb_index: 291513483730SMike Christie tmp_ddb_index = find_first_zero_bit(ha->ddb_idx_map, MAX_DDB_ENTRIES); 291613483730SMike Christie 291713483730SMike Christie if (tmp_ddb_index >= MAX_DDB_ENTRIES) { 291813483730SMike Christie DEBUG2(ql4_printk(KERN_INFO, ha, 291913483730SMike Christie "Free DDB index not available\n")); 292013483730SMike Christie ret = QLA_ERROR; 292113483730SMike Christie goto exit_get_ddb_index; 292213483730SMike Christie } 292313483730SMike Christie 292413483730SMike Christie if (test_and_set_bit(tmp_ddb_index, ha->ddb_idx_map)) 292513483730SMike Christie goto get_ddb_index; 292613483730SMike Christie 292713483730SMike Christie DEBUG2(ql4_printk(KERN_INFO, ha, 292813483730SMike Christie "Found a free DDB index at %d\n", tmp_ddb_index)); 292913483730SMike Christie ret = qla4xxx_req_ddb_entry(ha, tmp_ddb_index, &mbx_sts); 293013483730SMike Christie if (ret == QLA_ERROR) { 293113483730SMike Christie if (mbx_sts == MBOX_STS_COMMAND_ERROR) { 293213483730SMike Christie ql4_printk(KERN_INFO, ha, 293313483730SMike Christie "DDB index = %d not available trying next\n", 293413483730SMike Christie tmp_ddb_index); 293513483730SMike Christie goto get_ddb_index; 293613483730SMike Christie } 293713483730SMike Christie DEBUG2(ql4_printk(KERN_INFO, ha, 293813483730SMike Christie "Free FW DDB not available\n")); 293913483730SMike Christie } 294013483730SMike Christie 294113483730SMike Christie *ddb_index = tmp_ddb_index; 294213483730SMike Christie 294313483730SMike Christie exit_get_ddb_index: 294413483730SMike Christie return ret; 294513483730SMike Christie } 294613483730SMike Christie 294713483730SMike Christie static int qla4xxx_match_ipaddress(struct scsi_qla_host *ha, 294813483730SMike Christie struct ddb_entry *ddb_entry, 294913483730SMike Christie char *existing_ipaddr, 295013483730SMike Christie char *user_ipaddr) 295113483730SMike Christie { 295213483730SMike Christie uint8_t dst_ipaddr[IPv6_ADDR_LEN]; 295313483730SMike Christie char formatted_ipaddr[DDB_IPADDR_LEN]; 295413483730SMike Christie int status = QLA_SUCCESS, ret = 0; 295513483730SMike Christie 295613483730SMike Christie if (ddb_entry->fw_ddb_entry.options & DDB_OPT_IPV6_DEVICE) { 295713483730SMike Christie ret = in6_pton(user_ipaddr, strlen(user_ipaddr), dst_ipaddr, 295813483730SMike Christie '\0', NULL); 295913483730SMike Christie if (ret == 0) { 296013483730SMike Christie status = QLA_ERROR; 296113483730SMike Christie goto out_match; 296213483730SMike Christie } 296313483730SMike Christie ret = sprintf(formatted_ipaddr, "%pI6", dst_ipaddr); 296413483730SMike Christie } else { 296513483730SMike Christie ret = in4_pton(user_ipaddr, strlen(user_ipaddr), dst_ipaddr, 296613483730SMike Christie '\0', NULL); 296713483730SMike Christie if (ret == 0) { 296813483730SMike Christie status = QLA_ERROR; 296913483730SMike Christie goto out_match; 297013483730SMike Christie } 297113483730SMike Christie ret = sprintf(formatted_ipaddr, "%pI4", dst_ipaddr); 297213483730SMike Christie } 297313483730SMike Christie 297413483730SMike Christie if (strcmp(existing_ipaddr, formatted_ipaddr)) 297513483730SMike Christie status = QLA_ERROR; 297613483730SMike Christie 297713483730SMike Christie out_match: 297813483730SMike Christie return status; 297913483730SMike Christie } 298013483730SMike Christie 298113483730SMike Christie static int qla4xxx_match_fwdb_session(struct scsi_qla_host *ha, 298213483730SMike Christie struct iscsi_cls_conn *cls_conn) 298313483730SMike Christie { 298413483730SMike Christie int idx = 0, max_ddbs, rval; 298513483730SMike Christie struct iscsi_cls_session *cls_sess = iscsi_conn_to_session(cls_conn); 298613483730SMike Christie struct iscsi_session *sess, *existing_sess; 298713483730SMike Christie struct iscsi_conn *conn, *existing_conn; 298813483730SMike Christie struct ddb_entry *ddb_entry; 298913483730SMike Christie 299013483730SMike Christie sess = cls_sess->dd_data; 299113483730SMike Christie conn = cls_conn->dd_data; 299213483730SMike Christie 299313483730SMike Christie if (sess->targetname == NULL || 299413483730SMike Christie conn->persistent_address == NULL || 299513483730SMike Christie conn->persistent_port == 0) 299613483730SMike Christie return QLA_ERROR; 299713483730SMike Christie 299813483730SMike Christie max_ddbs = is_qla40XX(ha) ? MAX_DEV_DB_ENTRIES_40XX : 299913483730SMike Christie MAX_DEV_DB_ENTRIES; 300013483730SMike Christie 300113483730SMike Christie for (idx = 0; idx < max_ddbs; idx++) { 300213483730SMike Christie ddb_entry = qla4xxx_lookup_ddb_by_fw_index(ha, idx); 300313483730SMike Christie if (ddb_entry == NULL) 300413483730SMike Christie continue; 300513483730SMike Christie 300613483730SMike Christie if (ddb_entry->ddb_type != FLASH_DDB) 300713483730SMike Christie continue; 300813483730SMike Christie 300913483730SMike Christie existing_sess = ddb_entry->sess->dd_data; 301013483730SMike Christie existing_conn = ddb_entry->conn->dd_data; 301113483730SMike Christie 301213483730SMike Christie if (existing_sess->targetname == NULL || 301313483730SMike Christie existing_conn->persistent_address == NULL || 301413483730SMike Christie existing_conn->persistent_port == 0) 301513483730SMike Christie continue; 301613483730SMike Christie 301713483730SMike Christie DEBUG2(ql4_printk(KERN_INFO, ha, 301813483730SMike Christie "IQN = %s User IQN = %s\n", 301913483730SMike Christie existing_sess->targetname, 302013483730SMike Christie sess->targetname)); 302113483730SMike Christie 302213483730SMike Christie DEBUG2(ql4_printk(KERN_INFO, ha, 302313483730SMike Christie "IP = %s User IP = %s\n", 302413483730SMike Christie existing_conn->persistent_address, 302513483730SMike Christie conn->persistent_address)); 302613483730SMike Christie 302713483730SMike Christie DEBUG2(ql4_printk(KERN_INFO, ha, 302813483730SMike Christie "Port = %d User Port = %d\n", 302913483730SMike Christie existing_conn->persistent_port, 303013483730SMike Christie conn->persistent_port)); 303113483730SMike Christie 303213483730SMike Christie if (strcmp(existing_sess->targetname, sess->targetname)) 303313483730SMike Christie continue; 303413483730SMike Christie rval = qla4xxx_match_ipaddress(ha, ddb_entry, 303513483730SMike Christie existing_conn->persistent_address, 303613483730SMike Christie conn->persistent_address); 303713483730SMike Christie if (rval == QLA_ERROR) 303813483730SMike Christie continue; 303913483730SMike Christie if (existing_conn->persistent_port != conn->persistent_port) 304013483730SMike Christie continue; 304113483730SMike Christie break; 304213483730SMike Christie } 304313483730SMike Christie 304413483730SMike Christie if (idx == max_ddbs) 304513483730SMike Christie return QLA_ERROR; 304613483730SMike Christie 304713483730SMike Christie DEBUG2(ql4_printk(KERN_INFO, ha, 304813483730SMike Christie "Match found in fwdb sessions\n")); 304913483730SMike Christie return QLA_SUCCESS; 305013483730SMike Christie } 305113483730SMike Christie 3052b3a271a9SManish Rangankar static struct iscsi_cls_session * 3053b3a271a9SManish Rangankar qla4xxx_session_create(struct iscsi_endpoint *ep, 3054b3a271a9SManish Rangankar uint16_t cmds_max, uint16_t qdepth, 3055b3a271a9SManish Rangankar uint32_t initial_cmdsn) 3056b3a271a9SManish Rangankar { 3057b3a271a9SManish Rangankar struct iscsi_cls_session *cls_sess; 3058b3a271a9SManish Rangankar struct scsi_qla_host *ha; 3059b3a271a9SManish Rangankar struct qla_endpoint *qla_ep; 3060b3a271a9SManish Rangankar struct ddb_entry *ddb_entry; 306113483730SMike Christie uint16_t ddb_index; 3062b3a271a9SManish Rangankar struct iscsi_session *sess; 3063b3a271a9SManish Rangankar struct sockaddr *dst_addr; 3064b3a271a9SManish Rangankar int ret; 3065b3a271a9SManish Rangankar 3066b3a271a9SManish Rangankar if (!ep) { 3067b3a271a9SManish Rangankar printk(KERN_ERR "qla4xxx: missing ep.\n"); 3068b3a271a9SManish Rangankar return NULL; 3069b3a271a9SManish Rangankar } 3070b3a271a9SManish Rangankar 3071b3a271a9SManish Rangankar qla_ep = ep->dd_data; 3072b3a271a9SManish Rangankar dst_addr = (struct sockaddr *)&qla_ep->dst_addr; 3073b3a271a9SManish Rangankar ha = to_qla_host(qla_ep->host); 3074c343c5e0SVikas Chaudhary DEBUG2(ql4_printk(KERN_INFO, ha, "%s: host: %ld\n", __func__, 3075c343c5e0SVikas Chaudhary ha->host_no)); 3076736cf369SManish Rangankar 307713483730SMike Christie ret = qla4xxx_get_ddb_index(ha, &ddb_index); 307813483730SMike Christie if (ret == QLA_ERROR) 3079b3a271a9SManish Rangankar return NULL; 3080b3a271a9SManish Rangankar 3081b3a271a9SManish Rangankar cls_sess = iscsi_session_setup(&qla4xxx_iscsi_transport, qla_ep->host, 3082b3a271a9SManish Rangankar cmds_max, sizeof(struct ddb_entry), 3083b3a271a9SManish Rangankar sizeof(struct ql4_task_data), 3084b3a271a9SManish Rangankar initial_cmdsn, ddb_index); 3085b3a271a9SManish Rangankar if (!cls_sess) 3086b3a271a9SManish Rangankar return NULL; 3087b3a271a9SManish Rangankar 3088b3a271a9SManish Rangankar sess = cls_sess->dd_data; 3089b3a271a9SManish Rangankar ddb_entry = sess->dd_data; 3090b3a271a9SManish Rangankar ddb_entry->fw_ddb_index = ddb_index; 3091b3a271a9SManish Rangankar ddb_entry->fw_ddb_device_state = DDB_DS_NO_CONNECTION_ACTIVE; 3092b3a271a9SManish Rangankar ddb_entry->ha = ha; 3093b3a271a9SManish Rangankar ddb_entry->sess = cls_sess; 309413483730SMike Christie ddb_entry->unblock_sess = qla4xxx_unblock_ddb; 309513483730SMike Christie ddb_entry->ddb_change = qla4xxx_ddb_change; 3096de2efea6SNilesh Javali clear_bit(DDB_CONN_CLOSE_FAILURE, &ddb_entry->flags); 3097b3a271a9SManish Rangankar cls_sess->recovery_tmo = ql4xsess_recovery_tmo; 3098b3a271a9SManish Rangankar ha->fw_ddb_index_map[ddb_entry->fw_ddb_index] = ddb_entry; 3099b3a271a9SManish Rangankar ha->tot_ddbs++; 3100b3a271a9SManish Rangankar 3101b3a271a9SManish Rangankar return cls_sess; 3102b3a271a9SManish Rangankar } 3103b3a271a9SManish Rangankar 3104b3a271a9SManish Rangankar static void qla4xxx_session_destroy(struct iscsi_cls_session *cls_sess) 3105b3a271a9SManish Rangankar { 3106b3a271a9SManish Rangankar struct iscsi_session *sess; 3107b3a271a9SManish Rangankar struct ddb_entry *ddb_entry; 3108b3a271a9SManish Rangankar struct scsi_qla_host *ha; 310990599b62SManish Rangankar unsigned long flags, wtime; 311090599b62SManish Rangankar struct dev_db_entry *fw_ddb_entry = NULL; 311190599b62SManish Rangankar dma_addr_t fw_ddb_entry_dma; 311290599b62SManish Rangankar uint32_t ddb_state; 311390599b62SManish Rangankar int ret; 3114b3a271a9SManish Rangankar 3115b3a271a9SManish Rangankar sess = cls_sess->dd_data; 3116b3a271a9SManish Rangankar ddb_entry = sess->dd_data; 3117b3a271a9SManish Rangankar ha = ddb_entry->ha; 3118c343c5e0SVikas Chaudhary DEBUG2(ql4_printk(KERN_INFO, ha, "%s: host: %ld\n", __func__, 3119c343c5e0SVikas Chaudhary ha->host_no)); 3120b3a271a9SManish Rangankar 312190599b62SManish Rangankar fw_ddb_entry = dma_alloc_coherent(&ha->pdev->dev, sizeof(*fw_ddb_entry), 312290599b62SManish Rangankar &fw_ddb_entry_dma, GFP_KERNEL); 312390599b62SManish Rangankar if (!fw_ddb_entry) { 312490599b62SManish Rangankar ql4_printk(KERN_ERR, ha, 312590599b62SManish Rangankar "%s: Unable to allocate dma buffer\n", __func__); 312690599b62SManish Rangankar goto destroy_session; 312790599b62SManish Rangankar } 312890599b62SManish Rangankar 312990599b62SManish Rangankar wtime = jiffies + (HZ * LOGOUT_TOV); 313090599b62SManish Rangankar do { 313190599b62SManish Rangankar ret = qla4xxx_get_fwddb_entry(ha, ddb_entry->fw_ddb_index, 313290599b62SManish Rangankar fw_ddb_entry, fw_ddb_entry_dma, 313390599b62SManish Rangankar NULL, NULL, &ddb_state, NULL, 313490599b62SManish Rangankar NULL, NULL); 313590599b62SManish Rangankar if (ret == QLA_ERROR) 313690599b62SManish Rangankar goto destroy_session; 313790599b62SManish Rangankar 313890599b62SManish Rangankar if ((ddb_state == DDB_DS_NO_CONNECTION_ACTIVE) || 313990599b62SManish Rangankar (ddb_state == DDB_DS_SESSION_FAILED)) 314090599b62SManish Rangankar goto destroy_session; 314190599b62SManish Rangankar 314290599b62SManish Rangankar schedule_timeout_uninterruptible(HZ); 314390599b62SManish Rangankar } while ((time_after(wtime, jiffies))); 314490599b62SManish Rangankar 314590599b62SManish Rangankar destroy_session: 3146736cf369SManish Rangankar qla4xxx_clear_ddb_entry(ha, ddb_entry->fw_ddb_index); 3147de2efea6SNilesh Javali if (test_and_clear_bit(DDB_CONN_CLOSE_FAILURE, &ddb_entry->flags)) 3148de2efea6SNilesh Javali clear_bit(ddb_entry->fw_ddb_index, ha->ddb_idx_map); 3149b3a271a9SManish Rangankar spin_lock_irqsave(&ha->hardware_lock, flags); 3150b3a271a9SManish Rangankar qla4xxx_free_ddb(ha, ddb_entry); 3151b3a271a9SManish Rangankar spin_unlock_irqrestore(&ha->hardware_lock, flags); 315290599b62SManish Rangankar 3153b3a271a9SManish Rangankar iscsi_session_teardown(cls_sess); 315490599b62SManish Rangankar 315590599b62SManish Rangankar if (fw_ddb_entry) 315690599b62SManish Rangankar dma_free_coherent(&ha->pdev->dev, sizeof(*fw_ddb_entry), 315790599b62SManish Rangankar fw_ddb_entry, fw_ddb_entry_dma); 3158b3a271a9SManish Rangankar } 3159b3a271a9SManish Rangankar 3160b3a271a9SManish Rangankar static struct iscsi_cls_conn * 3161b3a271a9SManish Rangankar qla4xxx_conn_create(struct iscsi_cls_session *cls_sess, uint32_t conn_idx) 3162b3a271a9SManish Rangankar { 3163b3a271a9SManish Rangankar struct iscsi_cls_conn *cls_conn; 3164b3a271a9SManish Rangankar struct iscsi_session *sess; 3165b3a271a9SManish Rangankar struct ddb_entry *ddb_entry; 3166c343c5e0SVikas Chaudhary struct scsi_qla_host *ha; 3167b3a271a9SManish Rangankar 3168b3a271a9SManish Rangankar cls_conn = iscsi_conn_setup(cls_sess, sizeof(struct qla_conn), 3169b3a271a9SManish Rangankar conn_idx); 3170c343c5e0SVikas Chaudhary if (!cls_conn) { 3171c343c5e0SVikas Chaudhary pr_info("%s: Can not create connection for conn_idx = %u\n", 3172c343c5e0SVikas Chaudhary __func__, conn_idx); 3173ff1d0319SMike Christie return NULL; 3174c343c5e0SVikas Chaudhary } 3175ff1d0319SMike Christie 3176b3a271a9SManish Rangankar sess = cls_sess->dd_data; 3177b3a271a9SManish Rangankar ddb_entry = sess->dd_data; 3178b3a271a9SManish Rangankar ddb_entry->conn = cls_conn; 3179b3a271a9SManish Rangankar 3180c343c5e0SVikas Chaudhary ha = ddb_entry->ha; 3181c343c5e0SVikas Chaudhary DEBUG2(ql4_printk(KERN_INFO, ha, "%s: conn_idx = %u\n", __func__, 3182c343c5e0SVikas Chaudhary conn_idx)); 3183b3a271a9SManish Rangankar return cls_conn; 3184b3a271a9SManish Rangankar } 3185b3a271a9SManish Rangankar 3186b3a271a9SManish Rangankar static int qla4xxx_conn_bind(struct iscsi_cls_session *cls_session, 3187b3a271a9SManish Rangankar struct iscsi_cls_conn *cls_conn, 3188b3a271a9SManish Rangankar uint64_t transport_fd, int is_leading) 3189b3a271a9SManish Rangankar { 3190b3a271a9SManish Rangankar struct iscsi_conn *conn; 3191b3a271a9SManish Rangankar struct qla_conn *qla_conn; 3192b3a271a9SManish Rangankar struct iscsi_endpoint *ep; 3193c343c5e0SVikas Chaudhary struct ddb_entry *ddb_entry; 3194c343c5e0SVikas Chaudhary struct scsi_qla_host *ha; 3195c343c5e0SVikas Chaudhary struct iscsi_session *sess; 3196b3a271a9SManish Rangankar 3197c343c5e0SVikas Chaudhary sess = cls_session->dd_data; 3198c343c5e0SVikas Chaudhary ddb_entry = sess->dd_data; 3199c343c5e0SVikas Chaudhary ha = ddb_entry->ha; 3200c343c5e0SVikas Chaudhary 3201c343c5e0SVikas Chaudhary DEBUG2(ql4_printk(KERN_INFO, ha, "%s: sid = %d, cid = %d\n", __func__, 3202c343c5e0SVikas Chaudhary cls_session->sid, cls_conn->cid)); 3203b3a271a9SManish Rangankar 3204b3a271a9SManish Rangankar if (iscsi_conn_bind(cls_session, cls_conn, is_leading)) 3205b3a271a9SManish Rangankar return -EINVAL; 3206b3a271a9SManish Rangankar ep = iscsi_lookup_endpoint(transport_fd); 3207b3a271a9SManish Rangankar conn = cls_conn->dd_data; 3208b3a271a9SManish Rangankar qla_conn = conn->dd_data; 3209b3a271a9SManish Rangankar qla_conn->qla_ep = ep->dd_data; 3210b3a271a9SManish Rangankar return 0; 3211b3a271a9SManish Rangankar } 3212b3a271a9SManish Rangankar 3213b3a271a9SManish Rangankar static int qla4xxx_conn_start(struct iscsi_cls_conn *cls_conn) 3214b3a271a9SManish Rangankar { 3215b3a271a9SManish Rangankar struct iscsi_cls_session *cls_sess = iscsi_conn_to_session(cls_conn); 3216b3a271a9SManish Rangankar struct iscsi_session *sess; 3217b3a271a9SManish Rangankar struct ddb_entry *ddb_entry; 3218b3a271a9SManish Rangankar struct scsi_qla_host *ha; 321913483730SMike Christie struct dev_db_entry *fw_ddb_entry = NULL; 3220b3a271a9SManish Rangankar dma_addr_t fw_ddb_entry_dma; 3221b3a271a9SManish Rangankar uint32_t mbx_sts = 0; 3222b3a271a9SManish Rangankar int ret = 0; 3223b3a271a9SManish Rangankar int status = QLA_SUCCESS; 3224b3a271a9SManish Rangankar 3225b3a271a9SManish Rangankar sess = cls_sess->dd_data; 3226b3a271a9SManish Rangankar ddb_entry = sess->dd_data; 3227b3a271a9SManish Rangankar ha = ddb_entry->ha; 3228c343c5e0SVikas Chaudhary DEBUG2(ql4_printk(KERN_INFO, ha, "%s: sid = %d, cid = %d\n", __func__, 3229c343c5e0SVikas Chaudhary cls_sess->sid, cls_conn->cid)); 3230b3a271a9SManish Rangankar 323113483730SMike Christie /* Check if we have matching FW DDB, if yes then do not 323213483730SMike Christie * login to this target. This could cause target to logout previous 323313483730SMike Christie * connection 323413483730SMike Christie */ 323513483730SMike Christie ret = qla4xxx_match_fwdb_session(ha, cls_conn); 323613483730SMike Christie if (ret == QLA_SUCCESS) { 323713483730SMike Christie ql4_printk(KERN_INFO, ha, 323813483730SMike Christie "Session already exist in FW.\n"); 323913483730SMike Christie ret = -EEXIST; 324013483730SMike Christie goto exit_conn_start; 324113483730SMike Christie } 324213483730SMike Christie 3243b3a271a9SManish Rangankar fw_ddb_entry = dma_alloc_coherent(&ha->pdev->dev, sizeof(*fw_ddb_entry), 3244b3a271a9SManish Rangankar &fw_ddb_entry_dma, GFP_KERNEL); 3245b3a271a9SManish Rangankar if (!fw_ddb_entry) { 3246b3a271a9SManish Rangankar ql4_printk(KERN_ERR, ha, 3247b3a271a9SManish Rangankar "%s: Unable to allocate dma buffer\n", __func__); 324813483730SMike Christie ret = -ENOMEM; 324913483730SMike Christie goto exit_conn_start; 3250b3a271a9SManish Rangankar } 3251b3a271a9SManish Rangankar 3252b3a271a9SManish Rangankar ret = qla4xxx_set_param_ddbentry(ha, ddb_entry, cls_conn, &mbx_sts); 3253b3a271a9SManish Rangankar if (ret) { 3254b3a271a9SManish Rangankar /* If iscsid is stopped and started then no need to do 3255b3a271a9SManish Rangankar * set param again since ddb state will be already 3256b3a271a9SManish Rangankar * active and FW does not allow set ddb to an 3257b3a271a9SManish Rangankar * active session. 3258b3a271a9SManish Rangankar */ 3259b3a271a9SManish Rangankar if (mbx_sts) 3260b3a271a9SManish Rangankar if (ddb_entry->fw_ddb_device_state == 3261f922da79SManish Rangankar DDB_DS_SESSION_ACTIVE) { 326213483730SMike Christie ddb_entry->unblock_sess(ddb_entry->sess); 3263b3a271a9SManish Rangankar goto exit_set_param; 3264f922da79SManish Rangankar } 3265b3a271a9SManish Rangankar 3266b3a271a9SManish Rangankar ql4_printk(KERN_ERR, ha, "%s: Failed set param for index[%d]\n", 3267b3a271a9SManish Rangankar __func__, ddb_entry->fw_ddb_index); 3268b3a271a9SManish Rangankar goto exit_conn_start; 3269b3a271a9SManish Rangankar } 3270b3a271a9SManish Rangankar 3271b3a271a9SManish Rangankar status = qla4xxx_conn_open(ha, ddb_entry->fw_ddb_index); 3272b3a271a9SManish Rangankar if (status == QLA_ERROR) { 32730e7e8501SManish Rangankar ql4_printk(KERN_ERR, ha, "%s: Login failed: %s\n", __func__, 32740e7e8501SManish Rangankar sess->targetname); 3275b3a271a9SManish Rangankar ret = -EINVAL; 3276b3a271a9SManish Rangankar goto exit_conn_start; 3277b3a271a9SManish Rangankar } 3278b3a271a9SManish Rangankar 327998270ab4SManish Rangankar if (ddb_entry->fw_ddb_device_state == DDB_DS_NO_CONNECTION_ACTIVE) 3280b3a271a9SManish Rangankar ddb_entry->fw_ddb_device_state = DDB_DS_LOGIN_IN_PROCESS; 3281b3a271a9SManish Rangankar 328298270ab4SManish Rangankar DEBUG2(printk(KERN_INFO "%s: DDB state [%d]\n", __func__, 328398270ab4SManish Rangankar ddb_entry->fw_ddb_device_state)); 328498270ab4SManish Rangankar 3285b3a271a9SManish Rangankar exit_set_param: 3286b3a271a9SManish Rangankar ret = 0; 3287b3a271a9SManish Rangankar 3288b3a271a9SManish Rangankar exit_conn_start: 328913483730SMike Christie if (fw_ddb_entry) 3290b3a271a9SManish Rangankar dma_free_coherent(&ha->pdev->dev, sizeof(*fw_ddb_entry), 3291b3a271a9SManish Rangankar fw_ddb_entry, fw_ddb_entry_dma); 3292b3a271a9SManish Rangankar return ret; 3293b3a271a9SManish Rangankar } 3294b3a271a9SManish Rangankar 3295b3a271a9SManish Rangankar static void qla4xxx_conn_destroy(struct iscsi_cls_conn *cls_conn) 3296b3a271a9SManish Rangankar { 3297b3a271a9SManish Rangankar struct iscsi_cls_session *cls_sess = iscsi_conn_to_session(cls_conn); 3298b3a271a9SManish Rangankar struct iscsi_session *sess; 3299b3a271a9SManish Rangankar struct scsi_qla_host *ha; 3300b3a271a9SManish Rangankar struct ddb_entry *ddb_entry; 3301b3a271a9SManish Rangankar int options; 3302b3a271a9SManish Rangankar 3303b3a271a9SManish Rangankar sess = cls_sess->dd_data; 3304b3a271a9SManish Rangankar ddb_entry = sess->dd_data; 3305b3a271a9SManish Rangankar ha = ddb_entry->ha; 3306c343c5e0SVikas Chaudhary DEBUG2(ql4_printk(KERN_INFO, ha, "%s: cid = %d\n", __func__, 3307c343c5e0SVikas Chaudhary cls_conn->cid)); 3308b3a271a9SManish Rangankar 3309b3a271a9SManish Rangankar options = LOGOUT_OPTION_CLOSE_SESSION; 3310b3a271a9SManish Rangankar if (qla4xxx_session_logout_ddb(ha, ddb_entry, options) == QLA_ERROR) 3311b3a271a9SManish Rangankar ql4_printk(KERN_ERR, ha, "%s: Logout failed\n", __func__); 3312b3a271a9SManish Rangankar } 3313b3a271a9SManish Rangankar 3314b3a271a9SManish Rangankar static void qla4xxx_task_work(struct work_struct *wdata) 3315b3a271a9SManish Rangankar { 3316b3a271a9SManish Rangankar struct ql4_task_data *task_data; 3317b3a271a9SManish Rangankar struct scsi_qla_host *ha; 3318b3a271a9SManish Rangankar struct passthru_status *sts; 3319b3a271a9SManish Rangankar struct iscsi_task *task; 3320b3a271a9SManish Rangankar struct iscsi_hdr *hdr; 3321b3a271a9SManish Rangankar uint8_t *data; 3322b3a271a9SManish Rangankar uint32_t data_len; 3323b3a271a9SManish Rangankar struct iscsi_conn *conn; 3324b3a271a9SManish Rangankar int hdr_len; 3325b3a271a9SManish Rangankar itt_t itt; 3326b3a271a9SManish Rangankar 3327b3a271a9SManish Rangankar task_data = container_of(wdata, struct ql4_task_data, task_work); 3328b3a271a9SManish Rangankar ha = task_data->ha; 3329b3a271a9SManish Rangankar task = task_data->task; 3330b3a271a9SManish Rangankar sts = &task_data->sts; 3331b3a271a9SManish Rangankar hdr_len = sizeof(struct iscsi_hdr); 3332b3a271a9SManish Rangankar 3333b3a271a9SManish Rangankar DEBUG3(printk(KERN_INFO "Status returned\n")); 3334b3a271a9SManish Rangankar DEBUG3(qla4xxx_dump_buffer(sts, 64)); 3335b3a271a9SManish Rangankar DEBUG3(printk(KERN_INFO "Response buffer")); 3336b3a271a9SManish Rangankar DEBUG3(qla4xxx_dump_buffer(task_data->resp_buffer, 64)); 3337b3a271a9SManish Rangankar 3338b3a271a9SManish Rangankar conn = task->conn; 3339b3a271a9SManish Rangankar 3340b3a271a9SManish Rangankar switch (sts->completionStatus) { 3341b3a271a9SManish Rangankar case PASSTHRU_STATUS_COMPLETE: 3342b3a271a9SManish Rangankar hdr = (struct iscsi_hdr *)task_data->resp_buffer; 3343b3a271a9SManish Rangankar /* Assign back the itt in hdr, until we use the PREASSIGN_TAG */ 3344b3a271a9SManish Rangankar itt = sts->handle; 3345b3a271a9SManish Rangankar hdr->itt = itt; 3346b3a271a9SManish Rangankar data = task_data->resp_buffer + hdr_len; 3347b3a271a9SManish Rangankar data_len = task_data->resp_len - hdr_len; 3348b3a271a9SManish Rangankar iscsi_complete_pdu(conn, hdr, data, data_len); 3349b3a271a9SManish Rangankar break; 3350b3a271a9SManish Rangankar default: 3351b3a271a9SManish Rangankar ql4_printk(KERN_ERR, ha, "Passthru failed status = 0x%x\n", 3352b3a271a9SManish Rangankar sts->completionStatus); 3353b3a271a9SManish Rangankar break; 3354b3a271a9SManish Rangankar } 3355b3a271a9SManish Rangankar return; 3356b3a271a9SManish Rangankar } 3357b3a271a9SManish Rangankar 3358b3a271a9SManish Rangankar static int qla4xxx_alloc_pdu(struct iscsi_task *task, uint8_t opcode) 3359b3a271a9SManish Rangankar { 3360b3a271a9SManish Rangankar struct ql4_task_data *task_data; 3361b3a271a9SManish Rangankar struct iscsi_session *sess; 3362b3a271a9SManish Rangankar struct ddb_entry *ddb_entry; 3363b3a271a9SManish Rangankar struct scsi_qla_host *ha; 3364b3a271a9SManish Rangankar int hdr_len; 3365b3a271a9SManish Rangankar 3366b3a271a9SManish Rangankar sess = task->conn->session; 3367b3a271a9SManish Rangankar ddb_entry = sess->dd_data; 3368b3a271a9SManish Rangankar ha = ddb_entry->ha; 3369b3a271a9SManish Rangankar task_data = task->dd_data; 3370b3a271a9SManish Rangankar memset(task_data, 0, sizeof(struct ql4_task_data)); 3371b3a271a9SManish Rangankar 3372b3a271a9SManish Rangankar if (task->sc) { 3373b3a271a9SManish Rangankar ql4_printk(KERN_INFO, ha, 3374b3a271a9SManish Rangankar "%s: SCSI Commands not implemented\n", __func__); 3375b3a271a9SManish Rangankar return -EINVAL; 3376b3a271a9SManish Rangankar } 3377b3a271a9SManish Rangankar 3378b3a271a9SManish Rangankar hdr_len = sizeof(struct iscsi_hdr); 3379b3a271a9SManish Rangankar task_data->ha = ha; 3380b3a271a9SManish Rangankar task_data->task = task; 3381b3a271a9SManish Rangankar 3382b3a271a9SManish Rangankar if (task->data_count) { 3383b3a271a9SManish Rangankar task_data->data_dma = dma_map_single(&ha->pdev->dev, task->data, 3384b3a271a9SManish Rangankar task->data_count, 3385ec44a676SChristoph Hellwig DMA_TO_DEVICE); 3386b3a271a9SManish Rangankar } 3387b3a271a9SManish Rangankar 3388b3a271a9SManish Rangankar DEBUG2(ql4_printk(KERN_INFO, ha, "%s: MaxRecvLen %u, iscsi hrd %d\n", 3389b3a271a9SManish Rangankar __func__, task->conn->max_recv_dlength, hdr_len)); 3390b3a271a9SManish Rangankar 339169ca216eSManish Rangankar task_data->resp_len = task->conn->max_recv_dlength + hdr_len; 3392b3a271a9SManish Rangankar task_data->resp_buffer = dma_alloc_coherent(&ha->pdev->dev, 3393b3a271a9SManish Rangankar task_data->resp_len, 3394b3a271a9SManish Rangankar &task_data->resp_dma, 3395b3a271a9SManish Rangankar GFP_ATOMIC); 3396b3a271a9SManish Rangankar if (!task_data->resp_buffer) 3397b3a271a9SManish Rangankar goto exit_alloc_pdu; 3398b3a271a9SManish Rangankar 339969ca216eSManish Rangankar task_data->req_len = task->data_count + hdr_len; 3400b3a271a9SManish Rangankar task_data->req_buffer = dma_alloc_coherent(&ha->pdev->dev, 340169ca216eSManish Rangankar task_data->req_len, 3402b3a271a9SManish Rangankar &task_data->req_dma, 3403b3a271a9SManish Rangankar GFP_ATOMIC); 3404b3a271a9SManish Rangankar if (!task_data->req_buffer) 3405b3a271a9SManish Rangankar goto exit_alloc_pdu; 3406b3a271a9SManish Rangankar 3407b3a271a9SManish Rangankar task->hdr = task_data->req_buffer; 3408b3a271a9SManish Rangankar 3409b3a271a9SManish Rangankar INIT_WORK(&task_data->task_work, qla4xxx_task_work); 3410b3a271a9SManish Rangankar 3411b3a271a9SManish Rangankar return 0; 3412b3a271a9SManish Rangankar 3413b3a271a9SManish Rangankar exit_alloc_pdu: 3414b3a271a9SManish Rangankar if (task_data->resp_buffer) 3415b3a271a9SManish Rangankar dma_free_coherent(&ha->pdev->dev, task_data->resp_len, 3416b3a271a9SManish Rangankar task_data->resp_buffer, task_data->resp_dma); 3417b3a271a9SManish Rangankar 3418b3a271a9SManish Rangankar if (task_data->req_buffer) 341969ca216eSManish Rangankar dma_free_coherent(&ha->pdev->dev, task_data->req_len, 3420b3a271a9SManish Rangankar task_data->req_buffer, task_data->req_dma); 3421b3a271a9SManish Rangankar return -ENOMEM; 3422b3a271a9SManish Rangankar } 3423b3a271a9SManish Rangankar 3424b3a271a9SManish Rangankar static void qla4xxx_task_cleanup(struct iscsi_task *task) 3425b3a271a9SManish Rangankar { 3426b3a271a9SManish Rangankar struct ql4_task_data *task_data; 3427b3a271a9SManish Rangankar struct iscsi_session *sess; 3428b3a271a9SManish Rangankar struct ddb_entry *ddb_entry; 3429b3a271a9SManish Rangankar struct scsi_qla_host *ha; 3430b3a271a9SManish Rangankar int hdr_len; 3431b3a271a9SManish Rangankar 3432b3a271a9SManish Rangankar hdr_len = sizeof(struct iscsi_hdr); 3433b3a271a9SManish Rangankar sess = task->conn->session; 3434b3a271a9SManish Rangankar ddb_entry = sess->dd_data; 3435b3a271a9SManish Rangankar ha = ddb_entry->ha; 3436b3a271a9SManish Rangankar task_data = task->dd_data; 3437b3a271a9SManish Rangankar 3438b3a271a9SManish Rangankar if (task->data_count) { 3439b3a271a9SManish Rangankar dma_unmap_single(&ha->pdev->dev, task_data->data_dma, 3440ec44a676SChristoph Hellwig task->data_count, DMA_TO_DEVICE); 3441b3a271a9SManish Rangankar } 3442b3a271a9SManish Rangankar 3443b3a271a9SManish Rangankar DEBUG2(ql4_printk(KERN_INFO, ha, "%s: MaxRecvLen %u, iscsi hrd %d\n", 3444b3a271a9SManish Rangankar __func__, task->conn->max_recv_dlength, hdr_len)); 3445b3a271a9SManish Rangankar 3446b3a271a9SManish Rangankar dma_free_coherent(&ha->pdev->dev, task_data->resp_len, 3447b3a271a9SManish Rangankar task_data->resp_buffer, task_data->resp_dma); 344869ca216eSManish Rangankar dma_free_coherent(&ha->pdev->dev, task_data->req_len, 3449b3a271a9SManish Rangankar task_data->req_buffer, task_data->req_dma); 3450b3a271a9SManish Rangankar return; 3451b3a271a9SManish Rangankar } 3452b3a271a9SManish Rangankar 3453b3a271a9SManish Rangankar static int qla4xxx_task_xmit(struct iscsi_task *task) 3454b3a271a9SManish Rangankar { 3455b3a271a9SManish Rangankar struct scsi_cmnd *sc = task->sc; 3456b3a271a9SManish Rangankar struct iscsi_session *sess = task->conn->session; 3457b3a271a9SManish Rangankar struct ddb_entry *ddb_entry = sess->dd_data; 3458b3a271a9SManish Rangankar struct scsi_qla_host *ha = ddb_entry->ha; 3459b3a271a9SManish Rangankar 3460b3a271a9SManish Rangankar if (!sc) 3461b3a271a9SManish Rangankar return qla4xxx_send_passthru0(task); 3462b3a271a9SManish Rangankar 3463b3a271a9SManish Rangankar ql4_printk(KERN_INFO, ha, "%s: scsi cmd xmit not implemented\n", 3464b3a271a9SManish Rangankar __func__); 3465b3a271a9SManish Rangankar return -ENOSYS; 3466b3a271a9SManish Rangankar } 3467b3a271a9SManish Rangankar 34681e9e2be3SAdheer Chandravanshi static int qla4xxx_copy_from_fwddb_param(struct iscsi_bus_flash_session *sess, 34691e9e2be3SAdheer Chandravanshi struct iscsi_bus_flash_conn *conn, 34701e9e2be3SAdheer Chandravanshi struct dev_db_entry *fw_ddb_entry) 34711e9e2be3SAdheer Chandravanshi { 34721e9e2be3SAdheer Chandravanshi unsigned long options = 0; 34731e9e2be3SAdheer Chandravanshi int rc = 0; 34741e9e2be3SAdheer Chandravanshi 34751e9e2be3SAdheer Chandravanshi options = le16_to_cpu(fw_ddb_entry->options); 34761e9e2be3SAdheer Chandravanshi conn->is_fw_assigned_ipv6 = test_bit(OPT_IS_FW_ASSIGNED_IPV6, &options); 34771e9e2be3SAdheer Chandravanshi if (test_bit(OPT_IPV6_DEVICE, &options)) { 3478c962c18bSAdheer Chandravanshi rc = iscsi_switch_str_param(&sess->portal_type, 3479c962c18bSAdheer Chandravanshi PORTAL_TYPE_IPV6); 34801e9e2be3SAdheer Chandravanshi if (rc) 34811e9e2be3SAdheer Chandravanshi goto exit_copy; 34821e9e2be3SAdheer Chandravanshi } else { 3483c962c18bSAdheer Chandravanshi rc = iscsi_switch_str_param(&sess->portal_type, 3484c962c18bSAdheer Chandravanshi PORTAL_TYPE_IPV4); 34851e9e2be3SAdheer Chandravanshi if (rc) 34861e9e2be3SAdheer Chandravanshi goto exit_copy; 34871e9e2be3SAdheer Chandravanshi } 34881e9e2be3SAdheer Chandravanshi 34891e9e2be3SAdheer Chandravanshi sess->auto_snd_tgt_disable = test_bit(OPT_AUTO_SENDTGTS_DISABLE, 34901e9e2be3SAdheer Chandravanshi &options); 34911e9e2be3SAdheer Chandravanshi sess->discovery_sess = test_bit(OPT_DISC_SESSION, &options); 34921e9e2be3SAdheer Chandravanshi sess->entry_state = test_bit(OPT_ENTRY_STATE, &options); 34931e9e2be3SAdheer Chandravanshi 34941e9e2be3SAdheer Chandravanshi options = le16_to_cpu(fw_ddb_entry->iscsi_options); 34951e9e2be3SAdheer Chandravanshi conn->hdrdgst_en = test_bit(ISCSIOPT_HEADER_DIGEST_EN, &options); 34961e9e2be3SAdheer Chandravanshi conn->datadgst_en = test_bit(ISCSIOPT_DATA_DIGEST_EN, &options); 34971e9e2be3SAdheer Chandravanshi sess->imm_data_en = test_bit(ISCSIOPT_IMMEDIATE_DATA_EN, &options); 34981e9e2be3SAdheer Chandravanshi sess->initial_r2t_en = test_bit(ISCSIOPT_INITIAL_R2T_EN, &options); 34991e9e2be3SAdheer Chandravanshi sess->dataseq_inorder_en = test_bit(ISCSIOPT_DATA_SEQ_IN_ORDER, 35001e9e2be3SAdheer Chandravanshi &options); 35011e9e2be3SAdheer Chandravanshi sess->pdu_inorder_en = test_bit(ISCSIOPT_DATA_PDU_IN_ORDER, &options); 35021e9e2be3SAdheer Chandravanshi sess->chap_auth_en = test_bit(ISCSIOPT_CHAP_AUTH_EN, &options); 35031e9e2be3SAdheer Chandravanshi conn->snack_req_en = test_bit(ISCSIOPT_SNACK_REQ_EN, &options); 35041e9e2be3SAdheer Chandravanshi sess->discovery_logout_en = test_bit(ISCSIOPT_DISCOVERY_LOGOUT_EN, 35051e9e2be3SAdheer Chandravanshi &options); 35061e9e2be3SAdheer Chandravanshi sess->bidi_chap_en = test_bit(ISCSIOPT_BIDI_CHAP_EN, &options); 35071e9e2be3SAdheer Chandravanshi sess->discovery_auth_optional = 35081e9e2be3SAdheer Chandravanshi test_bit(ISCSIOPT_DISCOVERY_AUTH_OPTIONAL, &options); 35091e9e2be3SAdheer Chandravanshi if (test_bit(ISCSIOPT_ERL1, &options)) 35101e9e2be3SAdheer Chandravanshi sess->erl |= BIT_1; 35111e9e2be3SAdheer Chandravanshi if (test_bit(ISCSIOPT_ERL0, &options)) 35121e9e2be3SAdheer Chandravanshi sess->erl |= BIT_0; 35131e9e2be3SAdheer Chandravanshi 35141e9e2be3SAdheer Chandravanshi options = le16_to_cpu(fw_ddb_entry->tcp_options); 35151e9e2be3SAdheer Chandravanshi conn->tcp_timestamp_stat = test_bit(TCPOPT_TIMESTAMP_STAT, &options); 35161e9e2be3SAdheer Chandravanshi conn->tcp_nagle_disable = test_bit(TCPOPT_NAGLE_DISABLE, &options); 35171e9e2be3SAdheer Chandravanshi conn->tcp_wsf_disable = test_bit(TCPOPT_WSF_DISABLE, &options); 35181e9e2be3SAdheer Chandravanshi if (test_bit(TCPOPT_TIMER_SCALE3, &options)) 35191e9e2be3SAdheer Chandravanshi conn->tcp_timer_scale |= BIT_3; 35201e9e2be3SAdheer Chandravanshi if (test_bit(TCPOPT_TIMER_SCALE2, &options)) 35211e9e2be3SAdheer Chandravanshi conn->tcp_timer_scale |= BIT_2; 35221e9e2be3SAdheer Chandravanshi if (test_bit(TCPOPT_TIMER_SCALE1, &options)) 35231e9e2be3SAdheer Chandravanshi conn->tcp_timer_scale |= BIT_1; 35241e9e2be3SAdheer Chandravanshi 35251e9e2be3SAdheer Chandravanshi conn->tcp_timer_scale >>= 1; 35261e9e2be3SAdheer Chandravanshi conn->tcp_timestamp_en = test_bit(TCPOPT_TIMESTAMP_EN, &options); 35271e9e2be3SAdheer Chandravanshi 35281e9e2be3SAdheer Chandravanshi options = le16_to_cpu(fw_ddb_entry->ip_options); 35291e9e2be3SAdheer Chandravanshi conn->fragment_disable = test_bit(IPOPT_FRAGMENT_DISABLE, &options); 35301e9e2be3SAdheer Chandravanshi 35311e9e2be3SAdheer Chandravanshi conn->max_recv_dlength = BYTE_UNITS * 35321e9e2be3SAdheer Chandravanshi le16_to_cpu(fw_ddb_entry->iscsi_max_rcv_data_seg_len); 35331e9e2be3SAdheer Chandravanshi conn->max_xmit_dlength = BYTE_UNITS * 35341e9e2be3SAdheer Chandravanshi le16_to_cpu(fw_ddb_entry->iscsi_max_snd_data_seg_len); 35351e9e2be3SAdheer Chandravanshi sess->first_burst = BYTE_UNITS * 35361e9e2be3SAdheer Chandravanshi le16_to_cpu(fw_ddb_entry->iscsi_first_burst_len); 35371e9e2be3SAdheer Chandravanshi sess->max_burst = BYTE_UNITS * 35381e9e2be3SAdheer Chandravanshi le16_to_cpu(fw_ddb_entry->iscsi_max_burst_len); 35391e9e2be3SAdheer Chandravanshi sess->max_r2t = le16_to_cpu(fw_ddb_entry->iscsi_max_outsnd_r2t); 35401e9e2be3SAdheer Chandravanshi sess->time2wait = le16_to_cpu(fw_ddb_entry->iscsi_def_time2wait); 35411e9e2be3SAdheer Chandravanshi sess->time2retain = le16_to_cpu(fw_ddb_entry->iscsi_def_time2retain); 35421e9e2be3SAdheer Chandravanshi sess->tpgt = le32_to_cpu(fw_ddb_entry->tgt_portal_grp); 35431e9e2be3SAdheer Chandravanshi conn->max_segment_size = le16_to_cpu(fw_ddb_entry->mss); 35441e9e2be3SAdheer Chandravanshi conn->tcp_xmit_wsf = fw_ddb_entry->tcp_xmt_wsf; 35451e9e2be3SAdheer Chandravanshi conn->tcp_recv_wsf = fw_ddb_entry->tcp_rcv_wsf; 35461e9e2be3SAdheer Chandravanshi conn->ipv6_flow_label = le16_to_cpu(fw_ddb_entry->ipv6_flow_lbl); 35471e9e2be3SAdheer Chandravanshi conn->keepalive_timeout = le16_to_cpu(fw_ddb_entry->ka_timeout); 35481e9e2be3SAdheer Chandravanshi conn->local_port = le16_to_cpu(fw_ddb_entry->lcl_port); 35491e9e2be3SAdheer Chandravanshi conn->statsn = le32_to_cpu(fw_ddb_entry->stat_sn); 35501e9e2be3SAdheer Chandravanshi conn->exp_statsn = le32_to_cpu(fw_ddb_entry->exp_stat_sn); 35511e9e2be3SAdheer Chandravanshi sess->discovery_parent_idx = le16_to_cpu(fw_ddb_entry->ddb_link); 35521e9e2be3SAdheer Chandravanshi sess->discovery_parent_type = le16_to_cpu(fw_ddb_entry->ddb_link); 35531e9e2be3SAdheer Chandravanshi sess->chap_out_idx = le16_to_cpu(fw_ddb_entry->chap_tbl_idx); 35541e9e2be3SAdheer Chandravanshi sess->tsid = le16_to_cpu(fw_ddb_entry->tsid); 35551e9e2be3SAdheer Chandravanshi 35561e9e2be3SAdheer Chandravanshi sess->default_taskmgmt_timeout = 35571e9e2be3SAdheer Chandravanshi le16_to_cpu(fw_ddb_entry->def_timeout); 35581e9e2be3SAdheer Chandravanshi conn->port = le16_to_cpu(fw_ddb_entry->port); 35591e9e2be3SAdheer Chandravanshi 35601e9e2be3SAdheer Chandravanshi options = le16_to_cpu(fw_ddb_entry->options); 35611e9e2be3SAdheer Chandravanshi conn->ipaddress = kzalloc(IPv6_ADDR_LEN, GFP_KERNEL); 35621e9e2be3SAdheer Chandravanshi if (!conn->ipaddress) { 35631e9e2be3SAdheer Chandravanshi rc = -ENOMEM; 35641e9e2be3SAdheer Chandravanshi goto exit_copy; 35651e9e2be3SAdheer Chandravanshi } 35661e9e2be3SAdheer Chandravanshi 35671e9e2be3SAdheer Chandravanshi conn->redirect_ipaddr = kzalloc(IPv6_ADDR_LEN, GFP_KERNEL); 35681e9e2be3SAdheer Chandravanshi if (!conn->redirect_ipaddr) { 35691e9e2be3SAdheer Chandravanshi rc = -ENOMEM; 35701e9e2be3SAdheer Chandravanshi goto exit_copy; 35711e9e2be3SAdheer Chandravanshi } 35721e9e2be3SAdheer Chandravanshi 35731e9e2be3SAdheer Chandravanshi memcpy(conn->ipaddress, fw_ddb_entry->ip_addr, IPv6_ADDR_LEN); 35741e9e2be3SAdheer Chandravanshi memcpy(conn->redirect_ipaddr, fw_ddb_entry->tgt_addr, IPv6_ADDR_LEN); 35751e9e2be3SAdheer Chandravanshi 35761e9e2be3SAdheer Chandravanshi if (test_bit(OPT_IPV6_DEVICE, &options)) { 35771e9e2be3SAdheer Chandravanshi conn->ipv6_traffic_class = fw_ddb_entry->ipv4_tos; 35781e9e2be3SAdheer Chandravanshi 35793d30b439SBenoit Taine conn->link_local_ipv6_addr = kmemdup( 35803d30b439SBenoit Taine fw_ddb_entry->link_local_ipv6_addr, 35813d30b439SBenoit Taine IPv6_ADDR_LEN, GFP_KERNEL); 35821e9e2be3SAdheer Chandravanshi if (!conn->link_local_ipv6_addr) { 35831e9e2be3SAdheer Chandravanshi rc = -ENOMEM; 35841e9e2be3SAdheer Chandravanshi goto exit_copy; 35851e9e2be3SAdheer Chandravanshi } 35861e9e2be3SAdheer Chandravanshi } else { 35871e9e2be3SAdheer Chandravanshi conn->ipv4_tos = fw_ddb_entry->ipv4_tos; 35881e9e2be3SAdheer Chandravanshi } 35891e9e2be3SAdheer Chandravanshi 35901e9e2be3SAdheer Chandravanshi if (fw_ddb_entry->iscsi_name[0]) { 35911e9e2be3SAdheer Chandravanshi rc = iscsi_switch_str_param(&sess->targetname, 35921e9e2be3SAdheer Chandravanshi (char *)fw_ddb_entry->iscsi_name); 35931e9e2be3SAdheer Chandravanshi if (rc) 35941e9e2be3SAdheer Chandravanshi goto exit_copy; 35951e9e2be3SAdheer Chandravanshi } 35961e9e2be3SAdheer Chandravanshi 35971e9e2be3SAdheer Chandravanshi if (fw_ddb_entry->iscsi_alias[0]) { 35981e9e2be3SAdheer Chandravanshi rc = iscsi_switch_str_param(&sess->targetalias, 35991e9e2be3SAdheer Chandravanshi (char *)fw_ddb_entry->iscsi_alias); 36001e9e2be3SAdheer Chandravanshi if (rc) 36011e9e2be3SAdheer Chandravanshi goto exit_copy; 36021e9e2be3SAdheer Chandravanshi } 36031e9e2be3SAdheer Chandravanshi 36041e9e2be3SAdheer Chandravanshi COPY_ISID(sess->isid, fw_ddb_entry->isid); 36051e9e2be3SAdheer Chandravanshi 36061e9e2be3SAdheer Chandravanshi exit_copy: 36071e9e2be3SAdheer Chandravanshi return rc; 36081e9e2be3SAdheer Chandravanshi } 36091e9e2be3SAdheer Chandravanshi 36101e9e2be3SAdheer Chandravanshi static int qla4xxx_copy_to_fwddb_param(struct iscsi_bus_flash_session *sess, 36111e9e2be3SAdheer Chandravanshi struct iscsi_bus_flash_conn *conn, 36121e9e2be3SAdheer Chandravanshi struct dev_db_entry *fw_ddb_entry) 36131e9e2be3SAdheer Chandravanshi { 36141e9e2be3SAdheer Chandravanshi uint16_t options; 36151e9e2be3SAdheer Chandravanshi int rc = 0; 36161e9e2be3SAdheer Chandravanshi 36171e9e2be3SAdheer Chandravanshi options = le16_to_cpu(fw_ddb_entry->options); 36181e9e2be3SAdheer Chandravanshi SET_BITVAL(conn->is_fw_assigned_ipv6, options, BIT_11); 3619c962c18bSAdheer Chandravanshi if (!strncmp(sess->portal_type, PORTAL_TYPE_IPV6, 4)) 36201e9e2be3SAdheer Chandravanshi options |= BIT_8; 36211e9e2be3SAdheer Chandravanshi else 36221e9e2be3SAdheer Chandravanshi options &= ~BIT_8; 36231e9e2be3SAdheer Chandravanshi 36241e9e2be3SAdheer Chandravanshi SET_BITVAL(sess->auto_snd_tgt_disable, options, BIT_6); 36251e9e2be3SAdheer Chandravanshi SET_BITVAL(sess->discovery_sess, options, BIT_4); 36261e9e2be3SAdheer Chandravanshi SET_BITVAL(sess->entry_state, options, BIT_3); 36271e9e2be3SAdheer Chandravanshi fw_ddb_entry->options = cpu_to_le16(options); 36281e9e2be3SAdheer Chandravanshi 36291e9e2be3SAdheer Chandravanshi options = le16_to_cpu(fw_ddb_entry->iscsi_options); 36301e9e2be3SAdheer Chandravanshi SET_BITVAL(conn->hdrdgst_en, options, BIT_13); 36311e9e2be3SAdheer Chandravanshi SET_BITVAL(conn->datadgst_en, options, BIT_12); 36321e9e2be3SAdheer Chandravanshi SET_BITVAL(sess->imm_data_en, options, BIT_11); 36331e9e2be3SAdheer Chandravanshi SET_BITVAL(sess->initial_r2t_en, options, BIT_10); 36341e9e2be3SAdheer Chandravanshi SET_BITVAL(sess->dataseq_inorder_en, options, BIT_9); 36351e9e2be3SAdheer Chandravanshi SET_BITVAL(sess->pdu_inorder_en, options, BIT_8); 36361e9e2be3SAdheer Chandravanshi SET_BITVAL(sess->chap_auth_en, options, BIT_7); 36371e9e2be3SAdheer Chandravanshi SET_BITVAL(conn->snack_req_en, options, BIT_6); 36381e9e2be3SAdheer Chandravanshi SET_BITVAL(sess->discovery_logout_en, options, BIT_5); 36391e9e2be3SAdheer Chandravanshi SET_BITVAL(sess->bidi_chap_en, options, BIT_4); 36401e9e2be3SAdheer Chandravanshi SET_BITVAL(sess->discovery_auth_optional, options, BIT_3); 36411e9e2be3SAdheer Chandravanshi SET_BITVAL(sess->erl & BIT_1, options, BIT_1); 36421e9e2be3SAdheer Chandravanshi SET_BITVAL(sess->erl & BIT_0, options, BIT_0); 36431e9e2be3SAdheer Chandravanshi fw_ddb_entry->iscsi_options = cpu_to_le16(options); 36441e9e2be3SAdheer Chandravanshi 36451e9e2be3SAdheer Chandravanshi options = le16_to_cpu(fw_ddb_entry->tcp_options); 36461e9e2be3SAdheer Chandravanshi SET_BITVAL(conn->tcp_timestamp_stat, options, BIT_6); 36471e9e2be3SAdheer Chandravanshi SET_BITVAL(conn->tcp_nagle_disable, options, BIT_5); 36481e9e2be3SAdheer Chandravanshi SET_BITVAL(conn->tcp_wsf_disable, options, BIT_4); 36491e9e2be3SAdheer Chandravanshi SET_BITVAL(conn->tcp_timer_scale & BIT_2, options, BIT_3); 36501e9e2be3SAdheer Chandravanshi SET_BITVAL(conn->tcp_timer_scale & BIT_1, options, BIT_2); 36511e9e2be3SAdheer Chandravanshi SET_BITVAL(conn->tcp_timer_scale & BIT_0, options, BIT_1); 36521e9e2be3SAdheer Chandravanshi SET_BITVAL(conn->tcp_timestamp_en, options, BIT_0); 36531e9e2be3SAdheer Chandravanshi fw_ddb_entry->tcp_options = cpu_to_le16(options); 36541e9e2be3SAdheer Chandravanshi 36551e9e2be3SAdheer Chandravanshi options = le16_to_cpu(fw_ddb_entry->ip_options); 36561e9e2be3SAdheer Chandravanshi SET_BITVAL(conn->fragment_disable, options, BIT_4); 36571e9e2be3SAdheer Chandravanshi fw_ddb_entry->ip_options = cpu_to_le16(options); 36581e9e2be3SAdheer Chandravanshi 36591e9e2be3SAdheer Chandravanshi fw_ddb_entry->iscsi_max_outsnd_r2t = cpu_to_le16(sess->max_r2t); 36601e9e2be3SAdheer Chandravanshi fw_ddb_entry->iscsi_max_rcv_data_seg_len = 36611e9e2be3SAdheer Chandravanshi cpu_to_le16(conn->max_recv_dlength / BYTE_UNITS); 36621e9e2be3SAdheer Chandravanshi fw_ddb_entry->iscsi_max_snd_data_seg_len = 36631e9e2be3SAdheer Chandravanshi cpu_to_le16(conn->max_xmit_dlength / BYTE_UNITS); 36641e9e2be3SAdheer Chandravanshi fw_ddb_entry->iscsi_first_burst_len = 36651e9e2be3SAdheer Chandravanshi cpu_to_le16(sess->first_burst / BYTE_UNITS); 36661e9e2be3SAdheer Chandravanshi fw_ddb_entry->iscsi_max_burst_len = cpu_to_le16(sess->max_burst / 36671e9e2be3SAdheer Chandravanshi BYTE_UNITS); 36681e9e2be3SAdheer Chandravanshi fw_ddb_entry->iscsi_def_time2wait = cpu_to_le16(sess->time2wait); 36691e9e2be3SAdheer Chandravanshi fw_ddb_entry->iscsi_def_time2retain = cpu_to_le16(sess->time2retain); 36701e9e2be3SAdheer Chandravanshi fw_ddb_entry->tgt_portal_grp = cpu_to_le16(sess->tpgt); 36711e9e2be3SAdheer Chandravanshi fw_ddb_entry->mss = cpu_to_le16(conn->max_segment_size); 3672fbcd4836SAdheer Chandravanshi fw_ddb_entry->tcp_xmt_wsf = (uint8_t) cpu_to_le32(conn->tcp_xmit_wsf); 3673fbcd4836SAdheer Chandravanshi fw_ddb_entry->tcp_rcv_wsf = (uint8_t) cpu_to_le32(conn->tcp_recv_wsf); 36741e9e2be3SAdheer Chandravanshi fw_ddb_entry->ipv6_flow_lbl = cpu_to_le16(conn->ipv6_flow_label); 36751e9e2be3SAdheer Chandravanshi fw_ddb_entry->ka_timeout = cpu_to_le16(conn->keepalive_timeout); 36761e9e2be3SAdheer Chandravanshi fw_ddb_entry->lcl_port = cpu_to_le16(conn->local_port); 3677fbcd4836SAdheer Chandravanshi fw_ddb_entry->stat_sn = cpu_to_le32(conn->statsn); 3678fbcd4836SAdheer Chandravanshi fw_ddb_entry->exp_stat_sn = cpu_to_le32(conn->exp_statsn); 367965560166SAdheer Chandravanshi fw_ddb_entry->ddb_link = cpu_to_le16(sess->discovery_parent_idx); 36801e9e2be3SAdheer Chandravanshi fw_ddb_entry->chap_tbl_idx = cpu_to_le16(sess->chap_out_idx); 36811e9e2be3SAdheer Chandravanshi fw_ddb_entry->tsid = cpu_to_le16(sess->tsid); 36821e9e2be3SAdheer Chandravanshi fw_ddb_entry->port = cpu_to_le16(conn->port); 36831e9e2be3SAdheer Chandravanshi fw_ddb_entry->def_timeout = 36841e9e2be3SAdheer Chandravanshi cpu_to_le16(sess->default_taskmgmt_timeout); 36851e9e2be3SAdheer Chandravanshi 368684595802SAdheer Chandravanshi if (!strncmp(sess->portal_type, PORTAL_TYPE_IPV6, 4)) 368784595802SAdheer Chandravanshi fw_ddb_entry->ipv4_tos = conn->ipv6_traffic_class; 368884595802SAdheer Chandravanshi else 368984595802SAdheer Chandravanshi fw_ddb_entry->ipv4_tos = conn->ipv4_tos; 369084595802SAdheer Chandravanshi 36911e9e2be3SAdheer Chandravanshi if (conn->ipaddress) 36921e9e2be3SAdheer Chandravanshi memcpy(fw_ddb_entry->ip_addr, conn->ipaddress, 36931e9e2be3SAdheer Chandravanshi sizeof(fw_ddb_entry->ip_addr)); 36941e9e2be3SAdheer Chandravanshi 36951e9e2be3SAdheer Chandravanshi if (conn->redirect_ipaddr) 36961e9e2be3SAdheer Chandravanshi memcpy(fw_ddb_entry->tgt_addr, conn->redirect_ipaddr, 36971e9e2be3SAdheer Chandravanshi sizeof(fw_ddb_entry->tgt_addr)); 36981e9e2be3SAdheer Chandravanshi 36991e9e2be3SAdheer Chandravanshi if (conn->link_local_ipv6_addr) 37001e9e2be3SAdheer Chandravanshi memcpy(fw_ddb_entry->link_local_ipv6_addr, 37011e9e2be3SAdheer Chandravanshi conn->link_local_ipv6_addr, 37021e9e2be3SAdheer Chandravanshi sizeof(fw_ddb_entry->link_local_ipv6_addr)); 37031e9e2be3SAdheer Chandravanshi 37041e9e2be3SAdheer Chandravanshi if (sess->targetname) 37051e9e2be3SAdheer Chandravanshi memcpy(fw_ddb_entry->iscsi_name, sess->targetname, 37061e9e2be3SAdheer Chandravanshi sizeof(fw_ddb_entry->iscsi_name)); 37071e9e2be3SAdheer Chandravanshi 37081e9e2be3SAdheer Chandravanshi if (sess->targetalias) 37091e9e2be3SAdheer Chandravanshi memcpy(fw_ddb_entry->iscsi_alias, sess->targetalias, 37101e9e2be3SAdheer Chandravanshi sizeof(fw_ddb_entry->iscsi_alias)); 37111e9e2be3SAdheer Chandravanshi 37121e9e2be3SAdheer Chandravanshi COPY_ISID(fw_ddb_entry->isid, sess->isid); 37131e9e2be3SAdheer Chandravanshi 37141e9e2be3SAdheer Chandravanshi return rc; 37151e9e2be3SAdheer Chandravanshi } 37161e9e2be3SAdheer Chandravanshi 37178cc91d42SAdheer Chandravanshi static void qla4xxx_copy_to_sess_conn_params(struct iscsi_conn *conn, 37188cc91d42SAdheer Chandravanshi struct iscsi_session *sess, 37198cc91d42SAdheer Chandravanshi struct dev_db_entry *fw_ddb_entry) 37208cc91d42SAdheer Chandravanshi { 37218cc91d42SAdheer Chandravanshi unsigned long options = 0; 37228cc91d42SAdheer Chandravanshi uint16_t ddb_link; 37238cc91d42SAdheer Chandravanshi uint16_t disc_parent; 3724fb734ee3SAdheer Chandravanshi char ip_addr[DDB_IPADDR_LEN]; 37258cc91d42SAdheer Chandravanshi 37268cc91d42SAdheer Chandravanshi options = le16_to_cpu(fw_ddb_entry->options); 37278cc91d42SAdheer Chandravanshi conn->is_fw_assigned_ipv6 = test_bit(OPT_IS_FW_ASSIGNED_IPV6, &options); 37288cc91d42SAdheer Chandravanshi sess->auto_snd_tgt_disable = test_bit(OPT_AUTO_SENDTGTS_DISABLE, 37298cc91d42SAdheer Chandravanshi &options); 37308cc91d42SAdheer Chandravanshi sess->discovery_sess = test_bit(OPT_DISC_SESSION, &options); 37318cc91d42SAdheer Chandravanshi 37328cc91d42SAdheer Chandravanshi options = le16_to_cpu(fw_ddb_entry->iscsi_options); 37338cc91d42SAdheer Chandravanshi conn->hdrdgst_en = test_bit(ISCSIOPT_HEADER_DIGEST_EN, &options); 37348cc91d42SAdheer Chandravanshi conn->datadgst_en = test_bit(ISCSIOPT_DATA_DIGEST_EN, &options); 37358cc91d42SAdheer Chandravanshi sess->imm_data_en = test_bit(ISCSIOPT_IMMEDIATE_DATA_EN, &options); 37368cc91d42SAdheer Chandravanshi sess->initial_r2t_en = test_bit(ISCSIOPT_INITIAL_R2T_EN, &options); 37378cc91d42SAdheer Chandravanshi sess->dataseq_inorder_en = test_bit(ISCSIOPT_DATA_SEQ_IN_ORDER, 37388cc91d42SAdheer Chandravanshi &options); 37398cc91d42SAdheer Chandravanshi sess->pdu_inorder_en = test_bit(ISCSIOPT_DATA_PDU_IN_ORDER, &options); 37408cc91d42SAdheer Chandravanshi sess->chap_auth_en = test_bit(ISCSIOPT_CHAP_AUTH_EN, &options); 37418cc91d42SAdheer Chandravanshi sess->discovery_logout_en = test_bit(ISCSIOPT_DISCOVERY_LOGOUT_EN, 37428cc91d42SAdheer Chandravanshi &options); 37438cc91d42SAdheer Chandravanshi sess->bidi_chap_en = test_bit(ISCSIOPT_BIDI_CHAP_EN, &options); 37448cc91d42SAdheer Chandravanshi sess->discovery_auth_optional = 37458cc91d42SAdheer Chandravanshi test_bit(ISCSIOPT_DISCOVERY_AUTH_OPTIONAL, &options); 37468cc91d42SAdheer Chandravanshi if (test_bit(ISCSIOPT_ERL1, &options)) 37478cc91d42SAdheer Chandravanshi sess->erl |= BIT_1; 37488cc91d42SAdheer Chandravanshi if (test_bit(ISCSIOPT_ERL0, &options)) 37498cc91d42SAdheer Chandravanshi sess->erl |= BIT_0; 37508cc91d42SAdheer Chandravanshi 37518cc91d42SAdheer Chandravanshi options = le16_to_cpu(fw_ddb_entry->tcp_options); 37528cc91d42SAdheer Chandravanshi conn->tcp_timestamp_stat = test_bit(TCPOPT_TIMESTAMP_STAT, &options); 37538cc91d42SAdheer Chandravanshi conn->tcp_nagle_disable = test_bit(TCPOPT_NAGLE_DISABLE, &options); 37548cc91d42SAdheer Chandravanshi conn->tcp_wsf_disable = test_bit(TCPOPT_WSF_DISABLE, &options); 37558cc91d42SAdheer Chandravanshi if (test_bit(TCPOPT_TIMER_SCALE3, &options)) 37568cc91d42SAdheer Chandravanshi conn->tcp_timer_scale |= BIT_3; 37578cc91d42SAdheer Chandravanshi if (test_bit(TCPOPT_TIMER_SCALE2, &options)) 37588cc91d42SAdheer Chandravanshi conn->tcp_timer_scale |= BIT_2; 37598cc91d42SAdheer Chandravanshi if (test_bit(TCPOPT_TIMER_SCALE1, &options)) 37608cc91d42SAdheer Chandravanshi conn->tcp_timer_scale |= BIT_1; 37618cc91d42SAdheer Chandravanshi 37628cc91d42SAdheer Chandravanshi conn->tcp_timer_scale >>= 1; 37638cc91d42SAdheer Chandravanshi conn->tcp_timestamp_en = test_bit(TCPOPT_TIMESTAMP_EN, &options); 37648cc91d42SAdheer Chandravanshi 37658cc91d42SAdheer Chandravanshi options = le16_to_cpu(fw_ddb_entry->ip_options); 37668cc91d42SAdheer Chandravanshi conn->fragment_disable = test_bit(IPOPT_FRAGMENT_DISABLE, &options); 37678cc91d42SAdheer Chandravanshi 37688cc91d42SAdheer Chandravanshi conn->max_recv_dlength = BYTE_UNITS * 37698cc91d42SAdheer Chandravanshi le16_to_cpu(fw_ddb_entry->iscsi_max_rcv_data_seg_len); 37708cc91d42SAdheer Chandravanshi conn->max_xmit_dlength = BYTE_UNITS * 37718cc91d42SAdheer Chandravanshi le16_to_cpu(fw_ddb_entry->iscsi_max_snd_data_seg_len); 37728cc91d42SAdheer Chandravanshi sess->max_r2t = le16_to_cpu(fw_ddb_entry->iscsi_max_outsnd_r2t); 37738cc91d42SAdheer Chandravanshi sess->first_burst = BYTE_UNITS * 37748cc91d42SAdheer Chandravanshi le16_to_cpu(fw_ddb_entry->iscsi_first_burst_len); 37758cc91d42SAdheer Chandravanshi sess->max_burst = BYTE_UNITS * 37768cc91d42SAdheer Chandravanshi le16_to_cpu(fw_ddb_entry->iscsi_max_burst_len); 37778cc91d42SAdheer Chandravanshi sess->time2wait = le16_to_cpu(fw_ddb_entry->iscsi_def_time2wait); 37788cc91d42SAdheer Chandravanshi sess->time2retain = le16_to_cpu(fw_ddb_entry->iscsi_def_time2retain); 37798cc91d42SAdheer Chandravanshi sess->tpgt = le32_to_cpu(fw_ddb_entry->tgt_portal_grp); 37808cc91d42SAdheer Chandravanshi conn->max_segment_size = le16_to_cpu(fw_ddb_entry->mss); 37818cc91d42SAdheer Chandravanshi conn->tcp_xmit_wsf = fw_ddb_entry->tcp_xmt_wsf; 37828cc91d42SAdheer Chandravanshi conn->tcp_recv_wsf = fw_ddb_entry->tcp_rcv_wsf; 37838cc91d42SAdheer Chandravanshi conn->ipv4_tos = fw_ddb_entry->ipv4_tos; 37848cc91d42SAdheer Chandravanshi conn->keepalive_tmo = le16_to_cpu(fw_ddb_entry->ka_timeout); 37858cc91d42SAdheer Chandravanshi conn->local_port = le16_to_cpu(fw_ddb_entry->lcl_port); 37868cc91d42SAdheer Chandravanshi conn->statsn = le32_to_cpu(fw_ddb_entry->stat_sn); 37878cc91d42SAdheer Chandravanshi conn->exp_statsn = le32_to_cpu(fw_ddb_entry->exp_stat_sn); 37888cc91d42SAdheer Chandravanshi sess->tsid = le16_to_cpu(fw_ddb_entry->tsid); 37898cc91d42SAdheer Chandravanshi COPY_ISID(sess->isid, fw_ddb_entry->isid); 37908cc91d42SAdheer Chandravanshi 37918cc91d42SAdheer Chandravanshi ddb_link = le16_to_cpu(fw_ddb_entry->ddb_link); 37928cc91d42SAdheer Chandravanshi if (ddb_link == DDB_ISNS) 37938cc91d42SAdheer Chandravanshi disc_parent = ISCSI_DISC_PARENT_ISNS; 37948cc91d42SAdheer Chandravanshi else if (ddb_link == DDB_NO_LINK) 37958cc91d42SAdheer Chandravanshi disc_parent = ISCSI_DISC_PARENT_UNKNOWN; 37968cc91d42SAdheer Chandravanshi else if (ddb_link < MAX_DDB_ENTRIES) 37978cc91d42SAdheer Chandravanshi disc_parent = ISCSI_DISC_PARENT_SENDTGT; 37988cc91d42SAdheer Chandravanshi else 37998cc91d42SAdheer Chandravanshi disc_parent = ISCSI_DISC_PARENT_UNKNOWN; 38008cc91d42SAdheer Chandravanshi 38018cc91d42SAdheer Chandravanshi iscsi_set_param(conn->cls_conn, ISCSI_PARAM_DISCOVERY_PARENT_TYPE, 38028cc91d42SAdheer Chandravanshi iscsi_get_discovery_parent_name(disc_parent), 0); 38038cc91d42SAdheer Chandravanshi 38048cc91d42SAdheer Chandravanshi iscsi_set_param(conn->cls_conn, ISCSI_PARAM_TARGET_ALIAS, 38058cc91d42SAdheer Chandravanshi (char *)fw_ddb_entry->iscsi_alias, 0); 3806fb734ee3SAdheer Chandravanshi 3807fb734ee3SAdheer Chandravanshi options = le16_to_cpu(fw_ddb_entry->options); 3808fb734ee3SAdheer Chandravanshi if (options & DDB_OPT_IPV6_DEVICE) { 3809fb734ee3SAdheer Chandravanshi memset(ip_addr, 0, sizeof(ip_addr)); 3810fb734ee3SAdheer Chandravanshi sprintf(ip_addr, "%pI6", fw_ddb_entry->link_local_ipv6_addr); 3811fb734ee3SAdheer Chandravanshi iscsi_set_param(conn->cls_conn, ISCSI_PARAM_LOCAL_IPADDR, 3812fb734ee3SAdheer Chandravanshi (char *)ip_addr, 0); 3813fb734ee3SAdheer Chandravanshi } 38148cc91d42SAdheer Chandravanshi } 38158cc91d42SAdheer Chandravanshi 381613483730SMike Christie static void qla4xxx_copy_fwddb_param(struct scsi_qla_host *ha, 381713483730SMike Christie struct dev_db_entry *fw_ddb_entry, 381813483730SMike Christie struct iscsi_cls_session *cls_sess, 381913483730SMike Christie struct iscsi_cls_conn *cls_conn) 382013483730SMike Christie { 382113483730SMike Christie int buflen = 0; 382213483730SMike Christie struct iscsi_session *sess; 3823376738afSNilesh Javali struct ddb_entry *ddb_entry; 3824946ac571SAdheer Chandravanshi struct ql4_chap_table chap_tbl; 382513483730SMike Christie struct iscsi_conn *conn; 382613483730SMike Christie char ip_addr[DDB_IPADDR_LEN]; 382713483730SMike Christie uint16_t options = 0; 382813483730SMike Christie 382913483730SMike Christie sess = cls_sess->dd_data; 3830376738afSNilesh Javali ddb_entry = sess->dd_data; 383113483730SMike Christie conn = cls_conn->dd_data; 3832946ac571SAdheer Chandravanshi memset(&chap_tbl, 0, sizeof(chap_tbl)); 383313483730SMike Christie 3834376738afSNilesh Javali ddb_entry->chap_tbl_idx = le16_to_cpu(fw_ddb_entry->chap_tbl_idx); 3835376738afSNilesh Javali 38368cc91d42SAdheer Chandravanshi qla4xxx_copy_to_sess_conn_params(conn, sess, fw_ddb_entry); 383713483730SMike Christie 38388cc91d42SAdheer Chandravanshi sess->def_taskmgmt_tmo = le16_to_cpu(fw_ddb_entry->def_timeout); 383913483730SMike Christie conn->persistent_port = le16_to_cpu(fw_ddb_entry->port); 384013483730SMike Christie 38418cc91d42SAdheer Chandravanshi memset(ip_addr, 0, sizeof(ip_addr)); 384213483730SMike Christie options = le16_to_cpu(fw_ddb_entry->options); 38438cc91d42SAdheer Chandravanshi if (options & DDB_OPT_IPV6_DEVICE) { 38448cc91d42SAdheer Chandravanshi iscsi_set_param(cls_conn, ISCSI_PARAM_PORTAL_TYPE, "ipv6", 4); 384513483730SMike Christie 38468cc91d42SAdheer Chandravanshi memset(ip_addr, 0, sizeof(ip_addr)); 38478cc91d42SAdheer Chandravanshi sprintf(ip_addr, "%pI6", fw_ddb_entry->ip_addr); 38488cc91d42SAdheer Chandravanshi } else { 38498cc91d42SAdheer Chandravanshi iscsi_set_param(cls_conn, ISCSI_PARAM_PORTAL_TYPE, "ipv4", 4); 38508cc91d42SAdheer Chandravanshi sprintf(ip_addr, "%pI4", fw_ddb_entry->ip_addr); 38518cc91d42SAdheer Chandravanshi } 38528cc91d42SAdheer Chandravanshi 38538cc91d42SAdheer Chandravanshi iscsi_set_param(cls_conn, ISCSI_PARAM_PERSISTENT_ADDRESS, 38548cc91d42SAdheer Chandravanshi (char *)ip_addr, buflen); 385513483730SMike Christie iscsi_set_param(cls_conn, ISCSI_PARAM_TARGET_NAME, 385613483730SMike Christie (char *)fw_ddb_entry->iscsi_name, buflen); 385713483730SMike Christie iscsi_set_param(cls_conn, ISCSI_PARAM_INITIATOR_NAME, 385813483730SMike Christie (char *)ha->name_string, buflen); 3859946ac571SAdheer Chandravanshi 3860946ac571SAdheer Chandravanshi if (ddb_entry->chap_tbl_idx != INVALID_ENTRY) { 3861946ac571SAdheer Chandravanshi if (!qla4xxx_get_uni_chap_at_index(ha, chap_tbl.name, 3862946ac571SAdheer Chandravanshi chap_tbl.secret, 3863946ac571SAdheer Chandravanshi ddb_entry->chap_tbl_idx)) { 3864946ac571SAdheer Chandravanshi iscsi_set_param(cls_conn, ISCSI_PARAM_USERNAME, 3865946ac571SAdheer Chandravanshi (char *)chap_tbl.name, 3866946ac571SAdheer Chandravanshi strlen((char *)chap_tbl.name)); 3867946ac571SAdheer Chandravanshi iscsi_set_param(cls_conn, ISCSI_PARAM_PASSWORD, 3868946ac571SAdheer Chandravanshi (char *)chap_tbl.secret, 3869946ac571SAdheer Chandravanshi chap_tbl.secret_len); 3870946ac571SAdheer Chandravanshi } 3871946ac571SAdheer Chandravanshi } 387213483730SMike Christie } 387313483730SMike Christie 387413483730SMike Christie void qla4xxx_update_session_conn_fwddb_param(struct scsi_qla_host *ha, 387513483730SMike Christie struct ddb_entry *ddb_entry) 387613483730SMike Christie { 387713483730SMike Christie struct iscsi_cls_session *cls_sess; 387813483730SMike Christie struct iscsi_cls_conn *cls_conn; 387913483730SMike Christie uint32_t ddb_state; 388013483730SMike Christie dma_addr_t fw_ddb_entry_dma; 388113483730SMike Christie struct dev_db_entry *fw_ddb_entry; 388213483730SMike Christie 388313483730SMike Christie fw_ddb_entry = dma_alloc_coherent(&ha->pdev->dev, sizeof(*fw_ddb_entry), 388413483730SMike Christie &fw_ddb_entry_dma, GFP_KERNEL); 388513483730SMike Christie if (!fw_ddb_entry) { 388613483730SMike Christie ql4_printk(KERN_ERR, ha, 388713483730SMike Christie "%s: Unable to allocate dma buffer\n", __func__); 388813483730SMike Christie goto exit_session_conn_fwddb_param; 388913483730SMike Christie } 389013483730SMike Christie 389113483730SMike Christie if (qla4xxx_get_fwddb_entry(ha, ddb_entry->fw_ddb_index, fw_ddb_entry, 389213483730SMike Christie fw_ddb_entry_dma, NULL, NULL, &ddb_state, 389313483730SMike Christie NULL, NULL, NULL) == QLA_ERROR) { 389413483730SMike Christie DEBUG2(ql4_printk(KERN_ERR, ha, "scsi%ld: %s: failed " 389513483730SMike Christie "get_ddb_entry for fw_ddb_index %d\n", 389613483730SMike Christie ha->host_no, __func__, 389713483730SMike Christie ddb_entry->fw_ddb_index)); 389813483730SMike Christie goto exit_session_conn_fwddb_param; 389913483730SMike Christie } 390013483730SMike Christie 390113483730SMike Christie cls_sess = ddb_entry->sess; 390213483730SMike Christie 390313483730SMike Christie cls_conn = ddb_entry->conn; 390413483730SMike Christie 390513483730SMike Christie /* Update params */ 390613483730SMike Christie qla4xxx_copy_fwddb_param(ha, fw_ddb_entry, cls_sess, cls_conn); 390713483730SMike Christie 390813483730SMike Christie exit_session_conn_fwddb_param: 390913483730SMike Christie if (fw_ddb_entry) 391013483730SMike Christie dma_free_coherent(&ha->pdev->dev, sizeof(*fw_ddb_entry), 391113483730SMike Christie fw_ddb_entry, fw_ddb_entry_dma); 391213483730SMike Christie } 391313483730SMike Christie 3914b3a271a9SManish Rangankar void qla4xxx_update_session_conn_param(struct scsi_qla_host *ha, 3915b3a271a9SManish Rangankar struct ddb_entry *ddb_entry) 3916b3a271a9SManish Rangankar { 3917b3a271a9SManish Rangankar struct iscsi_cls_session *cls_sess; 3918b3a271a9SManish Rangankar struct iscsi_cls_conn *cls_conn; 3919b3a271a9SManish Rangankar struct iscsi_session *sess; 3920b3a271a9SManish Rangankar struct iscsi_conn *conn; 3921b3a271a9SManish Rangankar uint32_t ddb_state; 3922b3a271a9SManish Rangankar dma_addr_t fw_ddb_entry_dma; 3923b3a271a9SManish Rangankar struct dev_db_entry *fw_ddb_entry; 3924b3a271a9SManish Rangankar 3925b3a271a9SManish Rangankar fw_ddb_entry = dma_alloc_coherent(&ha->pdev->dev, sizeof(*fw_ddb_entry), 3926b3a271a9SManish Rangankar &fw_ddb_entry_dma, GFP_KERNEL); 3927b3a271a9SManish Rangankar if (!fw_ddb_entry) { 3928b3a271a9SManish Rangankar ql4_printk(KERN_ERR, ha, 3929b3a271a9SManish Rangankar "%s: Unable to allocate dma buffer\n", __func__); 393013483730SMike Christie goto exit_session_conn_param; 3931b3a271a9SManish Rangankar } 3932b3a271a9SManish Rangankar 3933b3a271a9SManish Rangankar if (qla4xxx_get_fwddb_entry(ha, ddb_entry->fw_ddb_index, fw_ddb_entry, 3934b3a271a9SManish Rangankar fw_ddb_entry_dma, NULL, NULL, &ddb_state, 3935b3a271a9SManish Rangankar NULL, NULL, NULL) == QLA_ERROR) { 3936b3a271a9SManish Rangankar DEBUG2(ql4_printk(KERN_ERR, ha, "scsi%ld: %s: failed " 3937b3a271a9SManish Rangankar "get_ddb_entry for fw_ddb_index %d\n", 3938b3a271a9SManish Rangankar ha->host_no, __func__, 3939b3a271a9SManish Rangankar ddb_entry->fw_ddb_index)); 394013483730SMike Christie goto exit_session_conn_param; 3941b3a271a9SManish Rangankar } 3942b3a271a9SManish Rangankar 3943b3a271a9SManish Rangankar cls_sess = ddb_entry->sess; 3944b3a271a9SManish Rangankar sess = cls_sess->dd_data; 3945b3a271a9SManish Rangankar 3946b3a271a9SManish Rangankar cls_conn = ddb_entry->conn; 3947b3a271a9SManish Rangankar conn = cls_conn->dd_data; 3948b3a271a9SManish Rangankar 394913483730SMike Christie /* Update timers after login */ 395013483730SMike Christie ddb_entry->default_relogin_timeout = 3951c28eaacaSNilesh Javali (le16_to_cpu(fw_ddb_entry->def_timeout) > LOGIN_TOV) && 3952c28eaacaSNilesh Javali (le16_to_cpu(fw_ddb_entry->def_timeout) < LOGIN_TOV * 10) ? 3953c28eaacaSNilesh Javali le16_to_cpu(fw_ddb_entry->def_timeout) : LOGIN_TOV; 395413483730SMike Christie ddb_entry->default_time2wait = 395513483730SMike Christie le16_to_cpu(fw_ddb_entry->iscsi_def_time2wait); 395613483730SMike Christie 3957b3a271a9SManish Rangankar /* Update params */ 3958376738afSNilesh Javali ddb_entry->chap_tbl_idx = le16_to_cpu(fw_ddb_entry->chap_tbl_idx); 39598cc91d42SAdheer Chandravanshi qla4xxx_copy_to_sess_conn_params(conn, sess, fw_ddb_entry); 3960b3a271a9SManish Rangankar 3961b3a271a9SManish Rangankar memcpy(sess->initiatorname, ha->name_string, 3962b3a271a9SManish Rangankar min(sizeof(ha->name_string), sizeof(sess->initiatorname))); 396313483730SMike Christie 396413483730SMike Christie exit_session_conn_param: 396513483730SMike Christie if (fw_ddb_entry) 396613483730SMike Christie dma_free_coherent(&ha->pdev->dev, sizeof(*fw_ddb_entry), 396713483730SMike Christie fw_ddb_entry, fw_ddb_entry_dma); 3968b3a271a9SManish Rangankar } 3969b3a271a9SManish Rangankar 3970afaf5a2dSDavid Somayajulu /* 3971afaf5a2dSDavid Somayajulu * Timer routines 3972afaf5a2dSDavid Somayajulu */ 3973d744644aSKees Cook static void qla4xxx_timer(struct timer_list *t); 3974afaf5a2dSDavid Somayajulu 3975d744644aSKees Cook static void qla4xxx_start_timer(struct scsi_qla_host *ha, 3976afaf5a2dSDavid Somayajulu unsigned long interval) 3977afaf5a2dSDavid Somayajulu { 3978afaf5a2dSDavid Somayajulu DEBUG(printk("scsi: %s: Starting timer thread for adapter %d\n", 3979afaf5a2dSDavid Somayajulu __func__, ha->host->host_no)); 3980d744644aSKees Cook timer_setup(&ha->timer, qla4xxx_timer, 0); 3981afaf5a2dSDavid Somayajulu ha->timer.expires = jiffies + interval * HZ; 3982afaf5a2dSDavid Somayajulu add_timer(&ha->timer); 3983afaf5a2dSDavid Somayajulu ha->timer_active = 1; 3984afaf5a2dSDavid Somayajulu } 3985afaf5a2dSDavid Somayajulu 3986afaf5a2dSDavid Somayajulu static void qla4xxx_stop_timer(struct scsi_qla_host *ha) 3987afaf5a2dSDavid Somayajulu { 3988afaf5a2dSDavid Somayajulu del_timer_sync(&ha->timer); 3989afaf5a2dSDavid Somayajulu ha->timer_active = 0; 3990afaf5a2dSDavid Somayajulu } 3991afaf5a2dSDavid Somayajulu 3992afaf5a2dSDavid Somayajulu /*** 3993b3a271a9SManish Rangankar * qla4xxx_mark_device_missing - blocks the session 3994b3a271a9SManish Rangankar * @cls_session: Pointer to the session to be blocked 3995afaf5a2dSDavid Somayajulu * @ddb_entry: Pointer to device database entry 3996afaf5a2dSDavid Somayajulu * 3997f4f5df23SVikas Chaudhary * This routine marks a device missing and close connection. 3998afaf5a2dSDavid Somayajulu **/ 3999b3a271a9SManish Rangankar void qla4xxx_mark_device_missing(struct iscsi_cls_session *cls_session) 4000afaf5a2dSDavid Somayajulu { 4001b3a271a9SManish Rangankar iscsi_block_session(cls_session); 4002afaf5a2dSDavid Somayajulu } 4003afaf5a2dSDavid Somayajulu 4004f4f5df23SVikas Chaudhary /** 4005f4f5df23SVikas Chaudhary * qla4xxx_mark_all_devices_missing - mark all devices as missing. 4006f4f5df23SVikas Chaudhary * @ha: Pointer to host adapter structure. 4007f4f5df23SVikas Chaudhary * 4008f4f5df23SVikas Chaudhary * This routine marks a device missing and resets the relogin retry count. 4009f4f5df23SVikas Chaudhary **/ 4010f4f5df23SVikas Chaudhary void qla4xxx_mark_all_devices_missing(struct scsi_qla_host *ha) 4011f4f5df23SVikas Chaudhary { 4012b3a271a9SManish Rangankar iscsi_host_for_each_session(ha->host, qla4xxx_mark_device_missing); 4013f4f5df23SVikas Chaudhary } 4014f4f5df23SVikas Chaudhary 4015afaf5a2dSDavid Somayajulu static struct srb* qla4xxx_get_new_srb(struct scsi_qla_host *ha, 4016afaf5a2dSDavid Somayajulu struct ddb_entry *ddb_entry, 40178f0722caSVikas Chaudhary struct scsi_cmnd *cmd) 4018afaf5a2dSDavid Somayajulu { 4019afaf5a2dSDavid Somayajulu struct srb *srb; 4020afaf5a2dSDavid Somayajulu 4021afaf5a2dSDavid Somayajulu srb = mempool_alloc(ha->srb_mempool, GFP_ATOMIC); 4022afaf5a2dSDavid Somayajulu if (!srb) 4023afaf5a2dSDavid Somayajulu return srb; 4024afaf5a2dSDavid Somayajulu 402509a0f719SVikas Chaudhary kref_init(&srb->srb_ref); 4026afaf5a2dSDavid Somayajulu srb->ha = ha; 4027afaf5a2dSDavid Somayajulu srb->ddb = ddb_entry; 4028afaf5a2dSDavid Somayajulu srb->cmd = cmd; 4029afaf5a2dSDavid Somayajulu srb->flags = 0; 40305369887aSVikas Chaudhary CMD_SP(cmd) = (void *)srb; 4031afaf5a2dSDavid Somayajulu 4032afaf5a2dSDavid Somayajulu return srb; 4033afaf5a2dSDavid Somayajulu } 4034afaf5a2dSDavid Somayajulu 4035afaf5a2dSDavid Somayajulu static void qla4xxx_srb_free_dma(struct scsi_qla_host *ha, struct srb *srb) 4036afaf5a2dSDavid Somayajulu { 4037afaf5a2dSDavid Somayajulu struct scsi_cmnd *cmd = srb->cmd; 4038afaf5a2dSDavid Somayajulu 4039afaf5a2dSDavid Somayajulu if (srb->flags & SRB_DMA_VALID) { 40405f7186c8SFUJITA Tomonori scsi_dma_unmap(cmd); 4041afaf5a2dSDavid Somayajulu srb->flags &= ~SRB_DMA_VALID; 4042afaf5a2dSDavid Somayajulu } 40435369887aSVikas Chaudhary CMD_SP(cmd) = NULL; 4044afaf5a2dSDavid Somayajulu } 4045afaf5a2dSDavid Somayajulu 404609a0f719SVikas Chaudhary void qla4xxx_srb_compl(struct kref *ref) 4047afaf5a2dSDavid Somayajulu { 404809a0f719SVikas Chaudhary struct srb *srb = container_of(ref, struct srb, srb_ref); 4049afaf5a2dSDavid Somayajulu struct scsi_cmnd *cmd = srb->cmd; 405009a0f719SVikas Chaudhary struct scsi_qla_host *ha = srb->ha; 4051afaf5a2dSDavid Somayajulu 4052afaf5a2dSDavid Somayajulu qla4xxx_srb_free_dma(ha, srb); 4053afaf5a2dSDavid Somayajulu 4054afaf5a2dSDavid Somayajulu mempool_free(srb, ha->srb_mempool); 4055afaf5a2dSDavid Somayajulu 4056afaf5a2dSDavid Somayajulu cmd->scsi_done(cmd); 4057afaf5a2dSDavid Somayajulu } 4058afaf5a2dSDavid Somayajulu 4059afaf5a2dSDavid Somayajulu /** 4060afaf5a2dSDavid Somayajulu * qla4xxx_queuecommand - scsi layer issues scsi command to driver. 40618f0722caSVikas Chaudhary * @host: scsi host 4062afaf5a2dSDavid Somayajulu * @cmd: Pointer to Linux's SCSI command structure 4063afaf5a2dSDavid Somayajulu * 4064afaf5a2dSDavid Somayajulu * Remarks: 4065afaf5a2dSDavid Somayajulu * This routine is invoked by Linux to send a SCSI command to the driver. 4066afaf5a2dSDavid Somayajulu * The mid-level driver tries to ensure that queuecommand never gets 4067afaf5a2dSDavid Somayajulu * invoked concurrently with itself or the interrupt handler (although 4068afaf5a2dSDavid Somayajulu * the interrupt handler may call this routine as part of request- 4069afaf5a2dSDavid Somayajulu * completion handling). Unfortunely, it sometimes calls the scheduler 4070afaf5a2dSDavid Somayajulu * in interrupt context which is a big NO! NO!. 4071afaf5a2dSDavid Somayajulu **/ 40728f0722caSVikas Chaudhary static int qla4xxx_queuecommand(struct Scsi_Host *host, struct scsi_cmnd *cmd) 4073afaf5a2dSDavid Somayajulu { 40748f0722caSVikas Chaudhary struct scsi_qla_host *ha = to_qla_host(host); 4075afaf5a2dSDavid Somayajulu struct ddb_entry *ddb_entry = cmd->device->hostdata; 40767fb1921bSMike Christie struct iscsi_cls_session *sess = ddb_entry->sess; 4077afaf5a2dSDavid Somayajulu struct srb *srb; 4078afaf5a2dSDavid Somayajulu int rval; 4079afaf5a2dSDavid Somayajulu 40802232be0dSLalit Chandivade if (test_bit(AF_EEH_BUSY, &ha->flags)) { 40812232be0dSLalit Chandivade if (test_bit(AF_PCI_CHANNEL_IO_PERM_FAILURE, &ha->flags)) 40822232be0dSLalit Chandivade cmd->result = DID_NO_CONNECT << 16; 40832232be0dSLalit Chandivade else 40842232be0dSLalit Chandivade cmd->result = DID_REQUEUE << 16; 40852232be0dSLalit Chandivade goto qc_fail_command; 40862232be0dSLalit Chandivade } 40872232be0dSLalit Chandivade 40887fb1921bSMike Christie if (!sess) { 40897fb1921bSMike Christie cmd->result = DID_IMM_RETRY << 16; 40907fb1921bSMike Christie goto qc_fail_command; 40917fb1921bSMike Christie } 40927fb1921bSMike Christie 40937fb1921bSMike Christie rval = iscsi_session_chkready(sess); 40947fb1921bSMike Christie if (rval) { 40957fb1921bSMike Christie cmd->result = rval; 40967fb1921bSMike Christie goto qc_fail_command; 40977fb1921bSMike Christie } 40987fb1921bSMike Christie 4099f4f5df23SVikas Chaudhary if (test_bit(DPC_RESET_HA_INTR, &ha->dpc_flags) || 4100f4f5df23SVikas Chaudhary test_bit(DPC_RESET_ACTIVE, &ha->dpc_flags) || 4101f4f5df23SVikas Chaudhary test_bit(DPC_RESET_HA, &ha->dpc_flags) || 4102f4f5df23SVikas Chaudhary test_bit(DPC_HA_UNRECOVERABLE, &ha->dpc_flags) || 4103f4f5df23SVikas Chaudhary test_bit(DPC_HA_NEED_QUIESCENT, &ha->dpc_flags) || 4104f4f5df23SVikas Chaudhary !test_bit(AF_ONLINE, &ha->flags) || 4105b3a271a9SManish Rangankar !test_bit(AF_LINK_UP, &ha->flags) || 4106026fbd3aSNilesh Javali test_bit(AF_LOOPBACK, &ha->flags) || 41077ab284c9SNilesh Javali test_bit(DPC_POST_IDC_ACK, &ha->dpc_flags) || 41087ab284c9SNilesh Javali test_bit(DPC_RESTORE_ACB, &ha->dpc_flags) || 4109f4f5df23SVikas Chaudhary test_bit(DPC_RESET_HA_FW_CONTEXT, &ha->dpc_flags)) 4110477ffb9dSDavid C Somayajulu goto qc_host_busy; 4111477ffb9dSDavid C Somayajulu 41128f0722caSVikas Chaudhary srb = qla4xxx_get_new_srb(ha, ddb_entry, cmd); 4113afaf5a2dSDavid Somayajulu if (!srb) 41148f0722caSVikas Chaudhary goto qc_host_busy; 4115afaf5a2dSDavid Somayajulu 4116afaf5a2dSDavid Somayajulu rval = qla4xxx_send_command_to_isp(ha, srb); 4117afaf5a2dSDavid Somayajulu if (rval != QLA_SUCCESS) 4118afaf5a2dSDavid Somayajulu goto qc_host_busy_free_sp; 4119afaf5a2dSDavid Somayajulu 4120afaf5a2dSDavid Somayajulu return 0; 4121afaf5a2dSDavid Somayajulu 4122afaf5a2dSDavid Somayajulu qc_host_busy_free_sp: 4123afaf5a2dSDavid Somayajulu qla4xxx_srb_free_dma(ha, srb); 4124afaf5a2dSDavid Somayajulu mempool_free(srb, ha->srb_mempool); 4125afaf5a2dSDavid Somayajulu 4126afaf5a2dSDavid Somayajulu qc_host_busy: 4127afaf5a2dSDavid Somayajulu return SCSI_MLQUEUE_HOST_BUSY; 4128afaf5a2dSDavid Somayajulu 4129afaf5a2dSDavid Somayajulu qc_fail_command: 41308f0722caSVikas Chaudhary cmd->scsi_done(cmd); 4131afaf5a2dSDavid Somayajulu 4132afaf5a2dSDavid Somayajulu return 0; 4133afaf5a2dSDavid Somayajulu } 4134afaf5a2dSDavid Somayajulu 4135afaf5a2dSDavid Somayajulu /** 4136afaf5a2dSDavid Somayajulu * qla4xxx_mem_free - frees memory allocated to adapter 4137afaf5a2dSDavid Somayajulu * @ha: Pointer to host adapter structure. 4138afaf5a2dSDavid Somayajulu * 4139afaf5a2dSDavid Somayajulu * Frees memory previously allocated by qla4xxx_mem_alloc 4140afaf5a2dSDavid Somayajulu **/ 4141afaf5a2dSDavid Somayajulu static void qla4xxx_mem_free(struct scsi_qla_host *ha) 4142afaf5a2dSDavid Somayajulu { 4143afaf5a2dSDavid Somayajulu if (ha->queues) 4144afaf5a2dSDavid Somayajulu dma_free_coherent(&ha->pdev->dev, ha->queues_len, ha->queues, 4145afaf5a2dSDavid Somayajulu ha->queues_dma); 4146afaf5a2dSDavid Somayajulu 4147068237c8STej Parkash if (ha->fw_dump) 4148068237c8STej Parkash vfree(ha->fw_dump); 4149068237c8STej Parkash 4150afaf5a2dSDavid Somayajulu ha->queues_len = 0; 4151afaf5a2dSDavid Somayajulu ha->queues = NULL; 4152afaf5a2dSDavid Somayajulu ha->queues_dma = 0; 4153afaf5a2dSDavid Somayajulu ha->request_ring = NULL; 4154afaf5a2dSDavid Somayajulu ha->request_dma = 0; 4155afaf5a2dSDavid Somayajulu ha->response_ring = NULL; 4156afaf5a2dSDavid Somayajulu ha->response_dma = 0; 4157afaf5a2dSDavid Somayajulu ha->shadow_regs = NULL; 4158afaf5a2dSDavid Somayajulu ha->shadow_regs_dma = 0; 4159068237c8STej Parkash ha->fw_dump = NULL; 4160068237c8STej Parkash ha->fw_dump_size = 0; 4161afaf5a2dSDavid Somayajulu 4162afaf5a2dSDavid Somayajulu /* Free srb pool. */ 4163afaf5a2dSDavid Somayajulu if (ha->srb_mempool) 4164afaf5a2dSDavid Somayajulu mempool_destroy(ha->srb_mempool); 4165afaf5a2dSDavid Somayajulu 4166afaf5a2dSDavid Somayajulu ha->srb_mempool = NULL; 4167afaf5a2dSDavid Somayajulu 4168b3a271a9SManish Rangankar if (ha->chap_dma_pool) 4169b3a271a9SManish Rangankar dma_pool_destroy(ha->chap_dma_pool); 4170b3a271a9SManish Rangankar 41714549415aSLalit Chandivade if (ha->chap_list) 41724549415aSLalit Chandivade vfree(ha->chap_list); 41734549415aSLalit Chandivade ha->chap_list = NULL; 41744549415aSLalit Chandivade 417513483730SMike Christie if (ha->fw_ddb_dma_pool) 417613483730SMike Christie dma_pool_destroy(ha->fw_ddb_dma_pool); 417713483730SMike Christie 4178afaf5a2dSDavid Somayajulu /* release io space registers */ 4179f4f5df23SVikas Chaudhary if (is_qla8022(ha)) { 4180f4f5df23SVikas Chaudhary if (ha->nx_pcibase) 4181f4f5df23SVikas Chaudhary iounmap( 4182f4f5df23SVikas Chaudhary (struct device_reg_82xx __iomem *)ha->nx_pcibase); 4183b37ca418SVikas Chaudhary } else if (is_qla8032(ha) || is_qla8042(ha)) { 41846e7b4292SVikas Chaudhary if (ha->nx_pcibase) 41856e7b4292SVikas Chaudhary iounmap( 41866e7b4292SVikas Chaudhary (struct device_reg_83xx __iomem *)ha->nx_pcibase); 41876e7b4292SVikas Chaudhary } else if (ha->reg) { 4188afaf5a2dSDavid Somayajulu iounmap(ha->reg); 41896e7b4292SVikas Chaudhary } 41906e7b4292SVikas Chaudhary 41916e7b4292SVikas Chaudhary if (ha->reset_tmplt.buff) 41926e7b4292SVikas Chaudhary vfree(ha->reset_tmplt.buff); 41936e7b4292SVikas Chaudhary 4194afaf5a2dSDavid Somayajulu pci_release_regions(ha->pdev); 4195afaf5a2dSDavid Somayajulu } 4196afaf5a2dSDavid Somayajulu 4197afaf5a2dSDavid Somayajulu /** 4198afaf5a2dSDavid Somayajulu * qla4xxx_mem_alloc - allocates memory for use by adapter. 4199afaf5a2dSDavid Somayajulu * @ha: Pointer to host adapter structure 4200afaf5a2dSDavid Somayajulu * 4201afaf5a2dSDavid Somayajulu * Allocates DMA memory for request and response queues. Also allocates memory 4202afaf5a2dSDavid Somayajulu * for srbs. 4203afaf5a2dSDavid Somayajulu **/ 4204afaf5a2dSDavid Somayajulu static int qla4xxx_mem_alloc(struct scsi_qla_host *ha) 4205afaf5a2dSDavid Somayajulu { 4206afaf5a2dSDavid Somayajulu unsigned long align; 4207afaf5a2dSDavid Somayajulu 4208afaf5a2dSDavid Somayajulu /* Allocate contiguous block of DMA memory for queues. */ 4209afaf5a2dSDavid Somayajulu ha->queues_len = ((REQUEST_QUEUE_DEPTH * QUEUE_SIZE) + 4210afaf5a2dSDavid Somayajulu (RESPONSE_QUEUE_DEPTH * QUEUE_SIZE) + 4211afaf5a2dSDavid Somayajulu sizeof(struct shadow_regs) + 4212afaf5a2dSDavid Somayajulu MEM_ALIGN_VALUE + 4213afaf5a2dSDavid Somayajulu (PAGE_SIZE - 1)) & ~(PAGE_SIZE - 1); 4214d103adb3SHimanshu Jha ha->queues = dma_zalloc_coherent(&ha->pdev->dev, ha->queues_len, 4215afaf5a2dSDavid Somayajulu &ha->queues_dma, GFP_KERNEL); 4216afaf5a2dSDavid Somayajulu if (ha->queues == NULL) { 4217c2660df3SVikas Chaudhary ql4_printk(KERN_WARNING, ha, 4218afaf5a2dSDavid Somayajulu "Memory Allocation failed - queues.\n"); 4219afaf5a2dSDavid Somayajulu 4220afaf5a2dSDavid Somayajulu goto mem_alloc_error_exit; 4221afaf5a2dSDavid Somayajulu } 4222afaf5a2dSDavid Somayajulu 4223afaf5a2dSDavid Somayajulu /* 4224afaf5a2dSDavid Somayajulu * As per RISC alignment requirements -- the bus-address must be a 4225afaf5a2dSDavid Somayajulu * multiple of the request-ring size (in bytes). 4226afaf5a2dSDavid Somayajulu */ 4227afaf5a2dSDavid Somayajulu align = 0; 4228afaf5a2dSDavid Somayajulu if ((unsigned long)ha->queues_dma & (MEM_ALIGN_VALUE - 1)) 4229afaf5a2dSDavid Somayajulu align = MEM_ALIGN_VALUE - ((unsigned long)ha->queues_dma & 4230afaf5a2dSDavid Somayajulu (MEM_ALIGN_VALUE - 1)); 4231afaf5a2dSDavid Somayajulu 4232afaf5a2dSDavid Somayajulu /* Update request and response queue pointers. */ 4233afaf5a2dSDavid Somayajulu ha->request_dma = ha->queues_dma + align; 4234afaf5a2dSDavid Somayajulu ha->request_ring = (struct queue_entry *) (ha->queues + align); 4235afaf5a2dSDavid Somayajulu ha->response_dma = ha->queues_dma + align + 4236afaf5a2dSDavid Somayajulu (REQUEST_QUEUE_DEPTH * QUEUE_SIZE); 4237afaf5a2dSDavid Somayajulu ha->response_ring = (struct queue_entry *) (ha->queues + align + 4238afaf5a2dSDavid Somayajulu (REQUEST_QUEUE_DEPTH * 4239afaf5a2dSDavid Somayajulu QUEUE_SIZE)); 4240afaf5a2dSDavid Somayajulu ha->shadow_regs_dma = ha->queues_dma + align + 4241afaf5a2dSDavid Somayajulu (REQUEST_QUEUE_DEPTH * QUEUE_SIZE) + 4242afaf5a2dSDavid Somayajulu (RESPONSE_QUEUE_DEPTH * QUEUE_SIZE); 4243afaf5a2dSDavid Somayajulu ha->shadow_regs = (struct shadow_regs *) (ha->queues + align + 4244afaf5a2dSDavid Somayajulu (REQUEST_QUEUE_DEPTH * 4245afaf5a2dSDavid Somayajulu QUEUE_SIZE) + 4246afaf5a2dSDavid Somayajulu (RESPONSE_QUEUE_DEPTH * 4247afaf5a2dSDavid Somayajulu QUEUE_SIZE)); 4248afaf5a2dSDavid Somayajulu 4249afaf5a2dSDavid Somayajulu /* Allocate memory for srb pool. */ 4250afaf5a2dSDavid Somayajulu ha->srb_mempool = mempool_create(SRB_MIN_REQ, mempool_alloc_slab, 4251afaf5a2dSDavid Somayajulu mempool_free_slab, srb_cachep); 4252afaf5a2dSDavid Somayajulu if (ha->srb_mempool == NULL) { 4253c2660df3SVikas Chaudhary ql4_printk(KERN_WARNING, ha, 4254afaf5a2dSDavid Somayajulu "Memory Allocation failed - SRB Pool.\n"); 4255afaf5a2dSDavid Somayajulu 4256afaf5a2dSDavid Somayajulu goto mem_alloc_error_exit; 4257afaf5a2dSDavid Somayajulu } 4258afaf5a2dSDavid Somayajulu 4259b3a271a9SManish Rangankar ha->chap_dma_pool = dma_pool_create("ql4_chap", &ha->pdev->dev, 4260b3a271a9SManish Rangankar CHAP_DMA_BLOCK_SIZE, 8, 0); 4261b3a271a9SManish Rangankar 4262b3a271a9SManish Rangankar if (ha->chap_dma_pool == NULL) { 4263b3a271a9SManish Rangankar ql4_printk(KERN_WARNING, ha, 4264b3a271a9SManish Rangankar "%s: chap_dma_pool allocation failed..\n", __func__); 4265b3a271a9SManish Rangankar goto mem_alloc_error_exit; 4266b3a271a9SManish Rangankar } 4267b3a271a9SManish Rangankar 426813483730SMike Christie ha->fw_ddb_dma_pool = dma_pool_create("ql4_fw_ddb", &ha->pdev->dev, 426913483730SMike Christie DDB_DMA_BLOCK_SIZE, 8, 0); 427013483730SMike Christie 427113483730SMike Christie if (ha->fw_ddb_dma_pool == NULL) { 427213483730SMike Christie ql4_printk(KERN_WARNING, ha, 427313483730SMike Christie "%s: fw_ddb_dma_pool allocation failed..\n", 427413483730SMike Christie __func__); 427513483730SMike Christie goto mem_alloc_error_exit; 427613483730SMike Christie } 427713483730SMike Christie 4278afaf5a2dSDavid Somayajulu return QLA_SUCCESS; 4279afaf5a2dSDavid Somayajulu 4280afaf5a2dSDavid Somayajulu mem_alloc_error_exit: 4281afaf5a2dSDavid Somayajulu qla4xxx_mem_free(ha); 4282afaf5a2dSDavid Somayajulu return QLA_ERROR; 4283afaf5a2dSDavid Somayajulu } 4284afaf5a2dSDavid Somayajulu 4285afaf5a2dSDavid Somayajulu /** 42864f77083eSMike Hernandez * qla4_8xxx_check_temp - Check the ISP82XX temperature. 42874f77083eSMike Hernandez * @ha: adapter block pointer. 42884f77083eSMike Hernandez * 42894f77083eSMike Hernandez * Note: The caller should not hold the idc lock. 42904f77083eSMike Hernandez **/ 42914f77083eSMike Hernandez static int qla4_8xxx_check_temp(struct scsi_qla_host *ha) 42924f77083eSMike Hernandez { 42934f77083eSMike Hernandez uint32_t temp, temp_state, temp_val; 42944f77083eSMike Hernandez int status = QLA_SUCCESS; 42954f77083eSMike Hernandez 429633693c7aSVikas Chaudhary temp = qla4_8xxx_rd_direct(ha, QLA8XXX_CRB_TEMP_STATE); 42974f77083eSMike Hernandez 42984f77083eSMike Hernandez temp_state = qla82xx_get_temp_state(temp); 42994f77083eSMike Hernandez temp_val = qla82xx_get_temp_val(temp); 43004f77083eSMike Hernandez 43014f77083eSMike Hernandez if (temp_state == QLA82XX_TEMP_PANIC) { 43024f77083eSMike Hernandez ql4_printk(KERN_WARNING, ha, "Device temperature %d degrees C" 43034f77083eSMike Hernandez " exceeds maximum allowed. Hardware has been shut" 43044f77083eSMike Hernandez " down.\n", temp_val); 43054f77083eSMike Hernandez status = QLA_ERROR; 43064f77083eSMike Hernandez } else if (temp_state == QLA82XX_TEMP_WARN) { 43074f77083eSMike Hernandez if (ha->temperature == QLA82XX_TEMP_NORMAL) 43084f77083eSMike Hernandez ql4_printk(KERN_WARNING, ha, "Device temperature %d" 43094f77083eSMike Hernandez " degrees C exceeds operating range." 43104f77083eSMike Hernandez " Immediate action needed.\n", temp_val); 43114f77083eSMike Hernandez } else { 43124f77083eSMike Hernandez if (ha->temperature == QLA82XX_TEMP_WARN) 43134f77083eSMike Hernandez ql4_printk(KERN_INFO, ha, "Device temperature is" 43144f77083eSMike Hernandez " now %d degrees C in normal range.\n", 43154f77083eSMike Hernandez temp_val); 43164f77083eSMike Hernandez } 43174f77083eSMike Hernandez ha->temperature = temp_state; 43184f77083eSMike Hernandez return status; 43194f77083eSMike Hernandez } 43204f77083eSMike Hernandez 43214f77083eSMike Hernandez /** 4322f4f5df23SVikas Chaudhary * qla4_8xxx_check_fw_alive - Check firmware health 4323f4f5df23SVikas Chaudhary * @ha: Pointer to host adapter structure. 4324f4f5df23SVikas Chaudhary * 4325f4f5df23SVikas Chaudhary * Context: Interrupt 4326f4f5df23SVikas Chaudhary **/ 43279ee91a38SShyam Sunder static int qla4_8xxx_check_fw_alive(struct scsi_qla_host *ha) 4328f4f5df23SVikas Chaudhary { 43299ee91a38SShyam Sunder uint32_t fw_heartbeat_counter; 43309ee91a38SShyam Sunder int status = QLA_SUCCESS; 4331f4f5df23SVikas Chaudhary 433233693c7aSVikas Chaudhary fw_heartbeat_counter = qla4_8xxx_rd_direct(ha, 433333693c7aSVikas Chaudhary QLA8XXX_PEG_ALIVE_COUNTER); 43342232be0dSLalit Chandivade /* If PEG_ALIVE_COUNTER is 0xffffffff, AER/EEH is in progress, ignore */ 43352232be0dSLalit Chandivade if (fw_heartbeat_counter == 0xffffffff) { 43362232be0dSLalit Chandivade DEBUG2(printk(KERN_WARNING "scsi%ld: %s: Device in frozen " 43372232be0dSLalit Chandivade "state, QLA82XX_PEG_ALIVE_COUNTER is 0xffffffff\n", 43382232be0dSLalit Chandivade ha->host_no, __func__)); 43399ee91a38SShyam Sunder return status; 43402232be0dSLalit Chandivade } 4341f4f5df23SVikas Chaudhary 4342f4f5df23SVikas Chaudhary if (ha->fw_heartbeat_counter == fw_heartbeat_counter) { 4343f4f5df23SVikas Chaudhary ha->seconds_since_last_heartbeat++; 4344f4f5df23SVikas Chaudhary /* FW not alive after 2 seconds */ 4345f4f5df23SVikas Chaudhary if (ha->seconds_since_last_heartbeat == 2) { 4346f4f5df23SVikas Chaudhary ha->seconds_since_last_heartbeat = 0; 43476e7b4292SVikas Chaudhary qla4_8xxx_dump_peg_reg(ha); 43489ee91a38SShyam Sunder status = QLA_ERROR; 4349f4f5df23SVikas Chaudhary } 435099457d75SLalit Chandivade } else 435199457d75SLalit Chandivade ha->seconds_since_last_heartbeat = 0; 435299457d75SLalit Chandivade 4353f4f5df23SVikas Chaudhary ha->fw_heartbeat_counter = fw_heartbeat_counter; 43549ee91a38SShyam Sunder return status; 4355f4f5df23SVikas Chaudhary } 4356f4f5df23SVikas Chaudhary 43576e7b4292SVikas Chaudhary static void qla4_8xxx_process_fw_error(struct scsi_qla_host *ha) 43586e7b4292SVikas Chaudhary { 43596e7b4292SVikas Chaudhary uint32_t halt_status; 43606e7b4292SVikas Chaudhary int halt_status_unrecoverable = 0; 43616e7b4292SVikas Chaudhary 43626e7b4292SVikas Chaudhary halt_status = qla4_8xxx_rd_direct(ha, QLA8XXX_PEG_HALT_STATUS1); 43636e7b4292SVikas Chaudhary 43646e7b4292SVikas Chaudhary if (is_qla8022(ha)) { 43656e7b4292SVikas Chaudhary ql4_printk(KERN_INFO, ha, "%s: disabling pause transmit on port 0 & 1.\n", 43666e7b4292SVikas Chaudhary __func__); 43676e7b4292SVikas Chaudhary qla4_82xx_wr_32(ha, QLA82XX_CRB_NIU + 0x98, 43686e7b4292SVikas Chaudhary CRB_NIU_XG_PAUSE_CTL_P0 | 43696e7b4292SVikas Chaudhary CRB_NIU_XG_PAUSE_CTL_P1); 43706e7b4292SVikas Chaudhary 43716e7b4292SVikas Chaudhary if (QLA82XX_FWERROR_CODE(halt_status) == 0x67) 43726e7b4292SVikas Chaudhary ql4_printk(KERN_ERR, ha, "%s: Firmware aborted with error code 0x00006700. Device is being reset\n", 43736e7b4292SVikas Chaudhary __func__); 43746e7b4292SVikas Chaudhary if (halt_status & HALT_STATUS_UNRECOVERABLE) 43756e7b4292SVikas Chaudhary halt_status_unrecoverable = 1; 4376b37ca418SVikas Chaudhary } else if (is_qla8032(ha) || is_qla8042(ha)) { 43776e7b4292SVikas Chaudhary if (halt_status & QLA83XX_HALT_STATUS_FW_RESET) 43786e7b4292SVikas Chaudhary ql4_printk(KERN_ERR, ha, "%s: Firmware error detected device is being reset\n", 43796e7b4292SVikas Chaudhary __func__); 43806e7b4292SVikas Chaudhary else if (halt_status & QLA83XX_HALT_STATUS_UNRECOVERABLE) 43816e7b4292SVikas Chaudhary halt_status_unrecoverable = 1; 43826e7b4292SVikas Chaudhary } 43836e7b4292SVikas Chaudhary 43846e7b4292SVikas Chaudhary /* 43856e7b4292SVikas Chaudhary * Since we cannot change dev_state in interrupt context, 43866e7b4292SVikas Chaudhary * set appropriate DPC flag then wakeup DPC 43876e7b4292SVikas Chaudhary */ 43886e7b4292SVikas Chaudhary if (halt_status_unrecoverable) { 43896e7b4292SVikas Chaudhary set_bit(DPC_HA_UNRECOVERABLE, &ha->dpc_flags); 43906e7b4292SVikas Chaudhary } else { 43916e7b4292SVikas Chaudhary ql4_printk(KERN_INFO, ha, "%s: detect abort needed!\n", 43926e7b4292SVikas Chaudhary __func__); 43936e7b4292SVikas Chaudhary set_bit(DPC_RESET_HA, &ha->dpc_flags); 43946e7b4292SVikas Chaudhary } 43956e7b4292SVikas Chaudhary qla4xxx_mailbox_premature_completion(ha); 43966e7b4292SVikas Chaudhary qla4xxx_wake_dpc(ha); 43976e7b4292SVikas Chaudhary } 43986e7b4292SVikas Chaudhary 4399f4f5df23SVikas Chaudhary /** 4400f4f5df23SVikas Chaudhary * qla4_8xxx_watchdog - Poll dev state 4401f4f5df23SVikas Chaudhary * @ha: Pointer to host adapter structure. 4402f4f5df23SVikas Chaudhary * 4403f4f5df23SVikas Chaudhary * Context: Interrupt 4404f4f5df23SVikas Chaudhary **/ 4405f4f5df23SVikas Chaudhary void qla4_8xxx_watchdog(struct scsi_qla_host *ha) 4406f4f5df23SVikas Chaudhary { 44076e7b4292SVikas Chaudhary uint32_t dev_state; 44086cf94121SVikas Chaudhary uint32_t idc_ctrl; 4409f4f5df23SVikas Chaudhary 4410a083e8bcSVikas Chaudhary if (is_qla8032(ha) && 4411a083e8bcSVikas Chaudhary (qla4_83xx_is_detached(ha) == QLA_SUCCESS)) 4412a083e8bcSVikas Chaudhary WARN_ONCE(1, "%s: iSCSI function %d marked invisible\n", 4413a083e8bcSVikas Chaudhary __func__, ha->func_num); 4414a083e8bcSVikas Chaudhary 4415f4f5df23SVikas Chaudhary /* don't poll if reset is going on */ 4416d56a1f7bSLalit Chandivade if (!(test_bit(DPC_RESET_ACTIVE, &ha->dpc_flags) || 4417d56a1f7bSLalit Chandivade test_bit(DPC_RESET_HA, &ha->dpc_flags) || 4418977f46a4SVikas Chaudhary test_bit(DPC_RETRY_RESET_HA, &ha->dpc_flags))) { 441933693c7aSVikas Chaudhary dev_state = qla4_8xxx_rd_direct(ha, QLA8XXX_CRB_DEV_STATE); 44204f77083eSMike Hernandez 44214f77083eSMike Hernandez if (qla4_8xxx_check_temp(ha)) { 44226e7b4292SVikas Chaudhary if (is_qla8022(ha)) { 44236e7b4292SVikas Chaudhary ql4_printk(KERN_INFO, ha, "disabling pause transmit on port 0 & 1.\n"); 4424f8086f4fSVikas Chaudhary qla4_82xx_wr_32(ha, QLA82XX_CRB_NIU + 0x98, 4425e6bd0ebdSGiridhar Malavali CRB_NIU_XG_PAUSE_CTL_P0 | 4426e6bd0ebdSGiridhar Malavali CRB_NIU_XG_PAUSE_CTL_P1); 44276e7b4292SVikas Chaudhary } 44284f77083eSMike Hernandez set_bit(DPC_HA_UNRECOVERABLE, &ha->dpc_flags); 44294f77083eSMike Hernandez qla4xxx_wake_dpc(ha); 4430de8c72daSVikas Chaudhary } else if (dev_state == QLA8XXX_DEV_NEED_RESET && 4431f4f5df23SVikas Chaudhary !test_bit(DPC_RESET_HA, &ha->dpc_flags)) { 44326cf94121SVikas Chaudhary 44336cf94121SVikas Chaudhary ql4_printk(KERN_INFO, ha, "%s: HW State: NEED RESET!\n", 44346cf94121SVikas Chaudhary __func__); 44356cf94121SVikas Chaudhary 4436b37ca418SVikas Chaudhary if (is_qla8032(ha) || is_qla8042(ha)) { 44376cf94121SVikas Chaudhary idc_ctrl = qla4_83xx_rd_reg(ha, 44386cf94121SVikas Chaudhary QLA83XX_IDC_DRV_CTRL); 44396cf94121SVikas Chaudhary if (!(idc_ctrl & GRACEFUL_RESET_BIT1)) { 44406cf94121SVikas Chaudhary ql4_printk(KERN_INFO, ha, "%s: Graceful reset bit is not set\n", 44416cf94121SVikas Chaudhary __func__); 44426cf94121SVikas Chaudhary qla4xxx_mailbox_premature_completion( 44436cf94121SVikas Chaudhary ha); 44446cf94121SVikas Chaudhary } 44456cf94121SVikas Chaudhary } 44466cf94121SVikas Chaudhary 4447b37ca418SVikas Chaudhary if ((is_qla8032(ha) || is_qla8042(ha)) || 44486e7b4292SVikas Chaudhary (is_qla8022(ha) && !ql4xdontresethba)) { 4449f4f5df23SVikas Chaudhary set_bit(DPC_RESET_HA, &ha->dpc_flags); 4450f4f5df23SVikas Chaudhary qla4xxx_wake_dpc(ha); 44513930b8c1SVikas Chaudhary } 4452de8c72daSVikas Chaudhary } else if (dev_state == QLA8XXX_DEV_NEED_QUIESCENT && 4453f4f5df23SVikas Chaudhary !test_bit(DPC_HA_NEED_QUIESCENT, &ha->dpc_flags)) { 44543930b8c1SVikas Chaudhary ql4_printk(KERN_INFO, ha, "%s: HW State: NEED QUIES!\n", 44553930b8c1SVikas Chaudhary __func__); 4456f4f5df23SVikas Chaudhary set_bit(DPC_HA_NEED_QUIESCENT, &ha->dpc_flags); 4457f4f5df23SVikas Chaudhary qla4xxx_wake_dpc(ha); 4458f4f5df23SVikas Chaudhary } else { 4459f4f5df23SVikas Chaudhary /* Check firmware health */ 44606e7b4292SVikas Chaudhary if (qla4_8xxx_check_fw_alive(ha)) 44616e7b4292SVikas Chaudhary qla4_8xxx_process_fw_error(ha); 4462f4f5df23SVikas Chaudhary } 4463f4f5df23SVikas Chaudhary } 4464f4f5df23SVikas Chaudhary } 4465f4f5df23SVikas Chaudhary 44664a4bc2e9SLalit Chandivade static void qla4xxx_check_relogin_flash_ddb(struct iscsi_cls_session *cls_sess) 446713483730SMike Christie { 446813483730SMike Christie struct iscsi_session *sess; 446913483730SMike Christie struct ddb_entry *ddb_entry; 447013483730SMike Christie struct scsi_qla_host *ha; 447113483730SMike Christie 447213483730SMike Christie sess = cls_sess->dd_data; 447313483730SMike Christie ddb_entry = sess->dd_data; 447413483730SMike Christie ha = ddb_entry->ha; 447513483730SMike Christie 447613483730SMike Christie if (!(ddb_entry->ddb_type == FLASH_DDB)) 447713483730SMike Christie return; 447813483730SMike Christie 447913483730SMike Christie if (adapter_up(ha) && !test_bit(DF_RELOGIN, &ddb_entry->flags) && 448013483730SMike Christie !iscsi_is_session_online(cls_sess)) { 448113483730SMike Christie if (atomic_read(&ddb_entry->retry_relogin_timer) != 448213483730SMike Christie INVALID_ENTRY) { 448313483730SMike Christie if (atomic_read(&ddb_entry->retry_relogin_timer) == 448413483730SMike Christie 0) { 448513483730SMike Christie atomic_set(&ddb_entry->retry_relogin_timer, 448613483730SMike Christie INVALID_ENTRY); 448713483730SMike Christie set_bit(DPC_RELOGIN_DEVICE, &ha->dpc_flags); 448813483730SMike Christie set_bit(DF_RELOGIN, &ddb_entry->flags); 448913483730SMike Christie DEBUG2(ql4_printk(KERN_INFO, ha, 449013483730SMike Christie "%s: index [%d] login device\n", 449113483730SMike Christie __func__, ddb_entry->fw_ddb_index)); 449213483730SMike Christie } else 449313483730SMike Christie atomic_dec(&ddb_entry->retry_relogin_timer); 449413483730SMike Christie } 449513483730SMike Christie } 449613483730SMike Christie 449713483730SMike Christie /* Wait for relogin to timeout */ 449813483730SMike Christie if (atomic_read(&ddb_entry->relogin_timer) && 449913483730SMike Christie (atomic_dec_and_test(&ddb_entry->relogin_timer) != 0)) { 450013483730SMike Christie /* 450113483730SMike Christie * If the relogin times out and the device is 450213483730SMike Christie * still NOT ONLINE then try and relogin again. 450313483730SMike Christie */ 450413483730SMike Christie if (!iscsi_is_session_online(cls_sess)) { 450513483730SMike Christie /* Reset retry relogin timer */ 450613483730SMike Christie atomic_inc(&ddb_entry->relogin_retry_count); 450713483730SMike Christie DEBUG2(ql4_printk(KERN_INFO, ha, 450813483730SMike Christie "%s: index[%d] relogin timed out-retrying" 450913483730SMike Christie " relogin (%d), retry (%d)\n", __func__, 451013483730SMike Christie ddb_entry->fw_ddb_index, 451113483730SMike Christie atomic_read(&ddb_entry->relogin_retry_count), 451213483730SMike Christie ddb_entry->default_time2wait + 4)); 451313483730SMike Christie set_bit(DPC_RELOGIN_DEVICE, &ha->dpc_flags); 451413483730SMike Christie atomic_set(&ddb_entry->retry_relogin_timer, 451513483730SMike Christie ddb_entry->default_time2wait + 4); 451613483730SMike Christie } 451713483730SMike Christie } 451813483730SMike Christie } 451913483730SMike Christie 4520f4f5df23SVikas Chaudhary /** 4521afaf5a2dSDavid Somayajulu * qla4xxx_timer - checks every second for work to do. 4522afaf5a2dSDavid Somayajulu * @ha: Pointer to host adapter structure. 4523afaf5a2dSDavid Somayajulu **/ 4524d744644aSKees Cook static void qla4xxx_timer(struct timer_list *t) 4525afaf5a2dSDavid Somayajulu { 4526d744644aSKees Cook struct scsi_qla_host *ha = from_timer(ha, t, timer); 4527afaf5a2dSDavid Somayajulu int start_dpc = 0; 45282232be0dSLalit Chandivade uint16_t w; 45292232be0dSLalit Chandivade 453013483730SMike Christie iscsi_host_for_each_session(ha->host, qla4xxx_check_relogin_flash_ddb); 453113483730SMike Christie 45322232be0dSLalit Chandivade /* If we are in the middle of AER/EEH processing 45332232be0dSLalit Chandivade * skip any processing and reschedule the timer 45342232be0dSLalit Chandivade */ 45352232be0dSLalit Chandivade if (test_bit(AF_EEH_BUSY, &ha->flags)) { 45362232be0dSLalit Chandivade mod_timer(&ha->timer, jiffies + HZ); 45372232be0dSLalit Chandivade return; 45382232be0dSLalit Chandivade } 45392232be0dSLalit Chandivade 45402232be0dSLalit Chandivade /* Hardware read to trigger an EEH error during mailbox waits. */ 45412232be0dSLalit Chandivade if (!pci_channel_offline(ha->pdev)) 45422232be0dSLalit Chandivade pci_read_config_word(ha->pdev, PCI_VENDOR_ID, &w); 4543afaf5a2dSDavid Somayajulu 45446e7b4292SVikas Chaudhary if (is_qla80XX(ha)) 4545f4f5df23SVikas Chaudhary qla4_8xxx_watchdog(ha); 4546f4f5df23SVikas Chaudhary 4547ee996a69SVikas Chaudhary if (is_qla40XX(ha)) { 4548afaf5a2dSDavid Somayajulu /* Check for heartbeat interval. */ 4549afaf5a2dSDavid Somayajulu if (ha->firmware_options & FWOPT_HEARTBEAT_ENABLE && 4550afaf5a2dSDavid Somayajulu ha->heartbeat_interval != 0) { 4551afaf5a2dSDavid Somayajulu ha->seconds_since_last_heartbeat++; 4552afaf5a2dSDavid Somayajulu if (ha->seconds_since_last_heartbeat > 4553afaf5a2dSDavid Somayajulu ha->heartbeat_interval + 2) 4554afaf5a2dSDavid Somayajulu set_bit(DPC_RESET_HA, &ha->dpc_flags); 4555afaf5a2dSDavid Somayajulu } 4556f4f5df23SVikas Chaudhary } 4557afaf5a2dSDavid Somayajulu 4558ff884430SVikas Chaudhary /* Process any deferred work. */ 4559ff884430SVikas Chaudhary if (!list_empty(&ha->work_list)) 4560ff884430SVikas Chaudhary start_dpc++; 4561ff884430SVikas Chaudhary 4562afaf5a2dSDavid Somayajulu /* Wakeup the dpc routine for this adapter, if needed. */ 45631b46807eSLalit Chandivade if (start_dpc || 4564afaf5a2dSDavid Somayajulu test_bit(DPC_RESET_HA, &ha->dpc_flags) || 4565afaf5a2dSDavid Somayajulu test_bit(DPC_RETRY_RESET_HA, &ha->dpc_flags) || 4566afaf5a2dSDavid Somayajulu test_bit(DPC_RELOGIN_DEVICE, &ha->dpc_flags) || 4567f4f5df23SVikas Chaudhary test_bit(DPC_RESET_HA_FW_CONTEXT, &ha->dpc_flags) || 4568afaf5a2dSDavid Somayajulu test_bit(DPC_RESET_HA_INTR, &ha->dpc_flags) || 4569afaf5a2dSDavid Somayajulu test_bit(DPC_GET_DHCP_IP_ADDR, &ha->dpc_flags) || 4570065aa1b4SVikas Chaudhary test_bit(DPC_LINK_CHANGED, &ha->dpc_flags) || 4571f4f5df23SVikas Chaudhary test_bit(DPC_HA_UNRECOVERABLE, &ha->dpc_flags) || 4572f4f5df23SVikas Chaudhary test_bit(DPC_HA_NEED_QUIESCENT, &ha->dpc_flags) || 4573906cbf3dSNilesh Javali test_bit(DPC_SYSFS_DDB_EXPORT, &ha->dpc_flags) || 45741b46807eSLalit Chandivade test_bit(DPC_AEN, &ha->dpc_flags)) { 4575afaf5a2dSDavid Somayajulu DEBUG2(printk("scsi%ld: %s: scheduling dpc routine" 4576afaf5a2dSDavid Somayajulu " - dpc flags = 0x%lx\n", 4577afaf5a2dSDavid Somayajulu ha->host_no, __func__, ha->dpc_flags)); 4578f4f5df23SVikas Chaudhary qla4xxx_wake_dpc(ha); 4579afaf5a2dSDavid Somayajulu } 4580afaf5a2dSDavid Somayajulu 4581afaf5a2dSDavid Somayajulu /* Reschedule timer thread to call us back in one second */ 4582afaf5a2dSDavid Somayajulu mod_timer(&ha->timer, jiffies + HZ); 4583afaf5a2dSDavid Somayajulu 4584afaf5a2dSDavid Somayajulu DEBUG2(ha->seconds_since_last_intr++); 4585afaf5a2dSDavid Somayajulu } 4586afaf5a2dSDavid Somayajulu 4587afaf5a2dSDavid Somayajulu /** 4588afaf5a2dSDavid Somayajulu * qla4xxx_cmd_wait - waits for all outstanding commands to complete 4589afaf5a2dSDavid Somayajulu * @ha: Pointer to host adapter structure. 4590afaf5a2dSDavid Somayajulu * 4591afaf5a2dSDavid Somayajulu * This routine stalls the driver until all outstanding commands are returned. 4592afaf5a2dSDavid Somayajulu * Caller must release the Hardware Lock prior to calling this routine. 4593afaf5a2dSDavid Somayajulu **/ 4594afaf5a2dSDavid Somayajulu static int qla4xxx_cmd_wait(struct scsi_qla_host *ha) 4595afaf5a2dSDavid Somayajulu { 4596afaf5a2dSDavid Somayajulu uint32_t index = 0; 4597afaf5a2dSDavid Somayajulu unsigned long flags; 4598afaf5a2dSDavid Somayajulu struct scsi_cmnd *cmd; 459961d9a2b6STej Parkash unsigned long wtime; 460061d9a2b6STej Parkash uint32_t wtmo; 4601afaf5a2dSDavid Somayajulu 460261d9a2b6STej Parkash if (is_qla40XX(ha)) 460361d9a2b6STej Parkash wtmo = WAIT_CMD_TOV; 460461d9a2b6STej Parkash else 460561d9a2b6STej Parkash wtmo = ha->nx_reset_timeout / 2; 4606f4f5df23SVikas Chaudhary 460761d9a2b6STej Parkash wtime = jiffies + (wtmo * HZ); 460861d9a2b6STej Parkash 460961d9a2b6STej Parkash DEBUG2(ql4_printk(KERN_INFO, ha, 461061d9a2b6STej Parkash "Wait up to %u seconds for cmds to complete\n", 461161d9a2b6STej Parkash wtmo)); 4612f4f5df23SVikas Chaudhary 4613f4f5df23SVikas Chaudhary while (!time_after_eq(jiffies, wtime)) { 4614afaf5a2dSDavid Somayajulu spin_lock_irqsave(&ha->hardware_lock, flags); 4615afaf5a2dSDavid Somayajulu /* Find a command that hasn't completed. */ 4616afaf5a2dSDavid Somayajulu for (index = 0; index < ha->host->can_queue; index++) { 4617afaf5a2dSDavid Somayajulu cmd = scsi_host_find_tag(ha->host, index); 4618a1e0063dSMike Christie /* 4619a1e0063dSMike Christie * We cannot just check if the index is valid, 4620a1e0063dSMike Christie * becase if we are run from the scsi eh, then 4621a1e0063dSMike Christie * the scsi/block layer is going to prevent 4622a1e0063dSMike Christie * the tag from being released. 4623a1e0063dSMike Christie */ 4624a1e0063dSMike Christie if (cmd != NULL && CMD_SP(cmd)) 4625afaf5a2dSDavid Somayajulu break; 4626afaf5a2dSDavid Somayajulu } 4627afaf5a2dSDavid Somayajulu spin_unlock_irqrestore(&ha->hardware_lock, flags); 4628afaf5a2dSDavid Somayajulu 4629afaf5a2dSDavid Somayajulu /* If No Commands are pending, wait is complete */ 4630f4f5df23SVikas Chaudhary if (index == ha->host->can_queue) 4631f4f5df23SVikas Chaudhary return QLA_SUCCESS; 4632afaf5a2dSDavid Somayajulu 4633afaf5a2dSDavid Somayajulu msleep(1000); 4634afaf5a2dSDavid Somayajulu } 4635f4f5df23SVikas Chaudhary /* If we timed out on waiting for commands to come back 4636f4f5df23SVikas Chaudhary * return ERROR. */ 4637f4f5df23SVikas Chaudhary return QLA_ERROR; 4638afaf5a2dSDavid Somayajulu } 4639afaf5a2dSDavid Somayajulu 4640f4f5df23SVikas Chaudhary int qla4xxx_hw_reset(struct scsi_qla_host *ha) 4641afaf5a2dSDavid Somayajulu { 4642afaf5a2dSDavid Somayajulu uint32_t ctrl_status; 4643477ffb9dSDavid C Somayajulu unsigned long flags = 0; 4644477ffb9dSDavid C Somayajulu 4645477ffb9dSDavid C Somayajulu DEBUG2(printk(KERN_ERR "scsi%ld: %s\n", ha->host_no, __func__)); 4646afaf5a2dSDavid Somayajulu 4647f4f5df23SVikas Chaudhary if (ql4xxx_lock_drvr_wait(ha) != QLA_SUCCESS) 4648f4f5df23SVikas Chaudhary return QLA_ERROR; 4649f4f5df23SVikas Chaudhary 4650afaf5a2dSDavid Somayajulu spin_lock_irqsave(&ha->hardware_lock, flags); 4651afaf5a2dSDavid Somayajulu 4652afaf5a2dSDavid Somayajulu /* 4653afaf5a2dSDavid Somayajulu * If the SCSI Reset Interrupt bit is set, clear it. 4654afaf5a2dSDavid Somayajulu * Otherwise, the Soft Reset won't work. 4655afaf5a2dSDavid Somayajulu */ 4656afaf5a2dSDavid Somayajulu ctrl_status = readw(&ha->reg->ctrl_status); 4657afaf5a2dSDavid Somayajulu if ((ctrl_status & CSR_SCSI_RESET_INTR) != 0) 4658afaf5a2dSDavid Somayajulu writel(set_rmask(CSR_SCSI_RESET_INTR), &ha->reg->ctrl_status); 4659afaf5a2dSDavid Somayajulu 4660afaf5a2dSDavid Somayajulu /* Issue Soft Reset */ 4661afaf5a2dSDavid Somayajulu writel(set_rmask(CSR_SOFT_RESET), &ha->reg->ctrl_status); 4662afaf5a2dSDavid Somayajulu readl(&ha->reg->ctrl_status); 4663afaf5a2dSDavid Somayajulu 4664afaf5a2dSDavid Somayajulu spin_unlock_irqrestore(&ha->hardware_lock, flags); 4665f4f5df23SVikas Chaudhary return QLA_SUCCESS; 4666477ffb9dSDavid C Somayajulu } 4667477ffb9dSDavid C Somayajulu 4668477ffb9dSDavid C Somayajulu /** 4669477ffb9dSDavid C Somayajulu * qla4xxx_soft_reset - performs soft reset. 4670477ffb9dSDavid C Somayajulu * @ha: Pointer to host adapter structure. 4671477ffb9dSDavid C Somayajulu **/ 4672477ffb9dSDavid C Somayajulu int qla4xxx_soft_reset(struct scsi_qla_host *ha) 4673477ffb9dSDavid C Somayajulu { 4674477ffb9dSDavid C Somayajulu uint32_t max_wait_time; 4675477ffb9dSDavid C Somayajulu unsigned long flags = 0; 4676f931c534SVikas Chaudhary int status; 4677477ffb9dSDavid C Somayajulu uint32_t ctrl_status; 4678477ffb9dSDavid C Somayajulu 4679f931c534SVikas Chaudhary status = qla4xxx_hw_reset(ha); 4680f931c534SVikas Chaudhary if (status != QLA_SUCCESS) 4681f931c534SVikas Chaudhary return status; 4682afaf5a2dSDavid Somayajulu 4683f931c534SVikas Chaudhary status = QLA_ERROR; 4684afaf5a2dSDavid Somayajulu /* Wait until the Network Reset Intr bit is cleared */ 4685afaf5a2dSDavid Somayajulu max_wait_time = RESET_INTR_TOV; 4686afaf5a2dSDavid Somayajulu do { 4687afaf5a2dSDavid Somayajulu spin_lock_irqsave(&ha->hardware_lock, flags); 4688afaf5a2dSDavid Somayajulu ctrl_status = readw(&ha->reg->ctrl_status); 4689afaf5a2dSDavid Somayajulu spin_unlock_irqrestore(&ha->hardware_lock, flags); 4690afaf5a2dSDavid Somayajulu 4691afaf5a2dSDavid Somayajulu if ((ctrl_status & CSR_NET_RESET_INTR) == 0) 4692afaf5a2dSDavid Somayajulu break; 4693afaf5a2dSDavid Somayajulu 4694afaf5a2dSDavid Somayajulu msleep(1000); 4695afaf5a2dSDavid Somayajulu } while ((--max_wait_time)); 4696afaf5a2dSDavid Somayajulu 4697afaf5a2dSDavid Somayajulu if ((ctrl_status & CSR_NET_RESET_INTR) != 0) { 4698afaf5a2dSDavid Somayajulu DEBUG2(printk(KERN_WARNING 4699afaf5a2dSDavid Somayajulu "scsi%ld: Network Reset Intr not cleared by " 4700afaf5a2dSDavid Somayajulu "Network function, clearing it now!\n", 4701afaf5a2dSDavid Somayajulu ha->host_no)); 4702afaf5a2dSDavid Somayajulu spin_lock_irqsave(&ha->hardware_lock, flags); 4703afaf5a2dSDavid Somayajulu writel(set_rmask(CSR_NET_RESET_INTR), &ha->reg->ctrl_status); 4704afaf5a2dSDavid Somayajulu readl(&ha->reg->ctrl_status); 4705afaf5a2dSDavid Somayajulu spin_unlock_irqrestore(&ha->hardware_lock, flags); 4706afaf5a2dSDavid Somayajulu } 4707afaf5a2dSDavid Somayajulu 4708afaf5a2dSDavid Somayajulu /* Wait until the firmware tells us the Soft Reset is done */ 4709afaf5a2dSDavid Somayajulu max_wait_time = SOFT_RESET_TOV; 4710afaf5a2dSDavid Somayajulu do { 4711afaf5a2dSDavid Somayajulu spin_lock_irqsave(&ha->hardware_lock, flags); 4712afaf5a2dSDavid Somayajulu ctrl_status = readw(&ha->reg->ctrl_status); 4713afaf5a2dSDavid Somayajulu spin_unlock_irqrestore(&ha->hardware_lock, flags); 4714afaf5a2dSDavid Somayajulu 4715afaf5a2dSDavid Somayajulu if ((ctrl_status & CSR_SOFT_RESET) == 0) { 4716afaf5a2dSDavid Somayajulu status = QLA_SUCCESS; 4717afaf5a2dSDavid Somayajulu break; 4718afaf5a2dSDavid Somayajulu } 4719afaf5a2dSDavid Somayajulu 4720afaf5a2dSDavid Somayajulu msleep(1000); 4721afaf5a2dSDavid Somayajulu } while ((--max_wait_time)); 4722afaf5a2dSDavid Somayajulu 4723afaf5a2dSDavid Somayajulu /* 4724afaf5a2dSDavid Somayajulu * Also, make sure that the SCSI Reset Interrupt bit has been cleared 4725afaf5a2dSDavid Somayajulu * after the soft reset has taken place. 4726afaf5a2dSDavid Somayajulu */ 4727afaf5a2dSDavid Somayajulu spin_lock_irqsave(&ha->hardware_lock, flags); 4728afaf5a2dSDavid Somayajulu ctrl_status = readw(&ha->reg->ctrl_status); 4729afaf5a2dSDavid Somayajulu if ((ctrl_status & CSR_SCSI_RESET_INTR) != 0) { 4730afaf5a2dSDavid Somayajulu writel(set_rmask(CSR_SCSI_RESET_INTR), &ha->reg->ctrl_status); 4731afaf5a2dSDavid Somayajulu readl(&ha->reg->ctrl_status); 4732afaf5a2dSDavid Somayajulu } 4733afaf5a2dSDavid Somayajulu spin_unlock_irqrestore(&ha->hardware_lock, flags); 4734afaf5a2dSDavid Somayajulu 4735afaf5a2dSDavid Somayajulu /* If soft reset fails then most probably the bios on other 4736afaf5a2dSDavid Somayajulu * function is also enabled. 4737afaf5a2dSDavid Somayajulu * Since the initialization is sequential the other fn 4738afaf5a2dSDavid Somayajulu * wont be able to acknowledge the soft reset. 4739afaf5a2dSDavid Somayajulu * Issue a force soft reset to workaround this scenario. 4740afaf5a2dSDavid Somayajulu */ 4741afaf5a2dSDavid Somayajulu if (max_wait_time == 0) { 4742afaf5a2dSDavid Somayajulu /* Issue Force Soft Reset */ 4743afaf5a2dSDavid Somayajulu spin_lock_irqsave(&ha->hardware_lock, flags); 4744afaf5a2dSDavid Somayajulu writel(set_rmask(CSR_FORCE_SOFT_RESET), &ha->reg->ctrl_status); 4745afaf5a2dSDavid Somayajulu readl(&ha->reg->ctrl_status); 4746afaf5a2dSDavid Somayajulu spin_unlock_irqrestore(&ha->hardware_lock, flags); 4747afaf5a2dSDavid Somayajulu /* Wait until the firmware tells us the Soft Reset is done */ 4748afaf5a2dSDavid Somayajulu max_wait_time = SOFT_RESET_TOV; 4749afaf5a2dSDavid Somayajulu do { 4750afaf5a2dSDavid Somayajulu spin_lock_irqsave(&ha->hardware_lock, flags); 4751afaf5a2dSDavid Somayajulu ctrl_status = readw(&ha->reg->ctrl_status); 4752afaf5a2dSDavid Somayajulu spin_unlock_irqrestore(&ha->hardware_lock, flags); 4753afaf5a2dSDavid Somayajulu 4754afaf5a2dSDavid Somayajulu if ((ctrl_status & CSR_FORCE_SOFT_RESET) == 0) { 4755afaf5a2dSDavid Somayajulu status = QLA_SUCCESS; 4756afaf5a2dSDavid Somayajulu break; 4757afaf5a2dSDavid Somayajulu } 4758afaf5a2dSDavid Somayajulu 4759afaf5a2dSDavid Somayajulu msleep(1000); 4760afaf5a2dSDavid Somayajulu } while ((--max_wait_time)); 4761afaf5a2dSDavid Somayajulu } 4762afaf5a2dSDavid Somayajulu 4763afaf5a2dSDavid Somayajulu return status; 4764afaf5a2dSDavid Somayajulu } 4765afaf5a2dSDavid Somayajulu 4766afaf5a2dSDavid Somayajulu /** 4767f4f5df23SVikas Chaudhary * qla4xxx_abort_active_cmds - returns all outstanding i/o requests to O.S. 4768afaf5a2dSDavid Somayajulu * @ha: Pointer to host adapter structure. 4769f4f5df23SVikas Chaudhary * @res: returned scsi status 4770afaf5a2dSDavid Somayajulu * 4771afaf5a2dSDavid Somayajulu * This routine is called just prior to a HARD RESET to return all 4772afaf5a2dSDavid Somayajulu * outstanding commands back to the Operating System. 4773afaf5a2dSDavid Somayajulu * Caller should make sure that the following locks are released 4774afaf5a2dSDavid Somayajulu * before this calling routine: Hardware lock, and io_request_lock. 4775afaf5a2dSDavid Somayajulu **/ 4776f4f5df23SVikas Chaudhary static void qla4xxx_abort_active_cmds(struct scsi_qla_host *ha, int res) 4777afaf5a2dSDavid Somayajulu { 4778afaf5a2dSDavid Somayajulu struct srb *srb; 4779afaf5a2dSDavid Somayajulu int i; 4780afaf5a2dSDavid Somayajulu unsigned long flags; 4781afaf5a2dSDavid Somayajulu 4782afaf5a2dSDavid Somayajulu spin_lock_irqsave(&ha->hardware_lock, flags); 4783afaf5a2dSDavid Somayajulu for (i = 0; i < ha->host->can_queue; i++) { 4784afaf5a2dSDavid Somayajulu srb = qla4xxx_del_from_active_array(ha, i); 4785afaf5a2dSDavid Somayajulu if (srb != NULL) { 4786f4f5df23SVikas Chaudhary srb->cmd->result = res; 478709a0f719SVikas Chaudhary kref_put(&srb->srb_ref, qla4xxx_srb_compl); 4788afaf5a2dSDavid Somayajulu } 4789afaf5a2dSDavid Somayajulu } 4790afaf5a2dSDavid Somayajulu spin_unlock_irqrestore(&ha->hardware_lock, flags); 4791afaf5a2dSDavid Somayajulu } 4792afaf5a2dSDavid Somayajulu 4793f4f5df23SVikas Chaudhary void qla4xxx_dead_adapter_cleanup(struct scsi_qla_host *ha) 4794f4f5df23SVikas Chaudhary { 4795f4f5df23SVikas Chaudhary clear_bit(AF_ONLINE, &ha->flags); 4796f4f5df23SVikas Chaudhary 4797f4f5df23SVikas Chaudhary /* Disable the board */ 4798f4f5df23SVikas Chaudhary ql4_printk(KERN_INFO, ha, "Disabling the board\n"); 4799f4f5df23SVikas Chaudhary 4800f4f5df23SVikas Chaudhary qla4xxx_abort_active_cmds(ha, DID_NO_CONNECT << 16); 4801f4f5df23SVikas Chaudhary qla4xxx_mark_all_devices_missing(ha); 4802f4f5df23SVikas Chaudhary clear_bit(AF_INIT_DONE, &ha->flags); 4803f4f5df23SVikas Chaudhary } 4804f4f5df23SVikas Chaudhary 4805b3a271a9SManish Rangankar static void qla4xxx_fail_session(struct iscsi_cls_session *cls_session) 4806b3a271a9SManish Rangankar { 4807b3a271a9SManish Rangankar struct iscsi_session *sess; 4808b3a271a9SManish Rangankar struct ddb_entry *ddb_entry; 4809b3a271a9SManish Rangankar 4810b3a271a9SManish Rangankar sess = cls_session->dd_data; 4811b3a271a9SManish Rangankar ddb_entry = sess->dd_data; 4812b3a271a9SManish Rangankar ddb_entry->fw_ddb_device_state = DDB_DS_SESSION_FAILED; 481313483730SMike Christie 481413483730SMike Christie if (ddb_entry->ddb_type == FLASH_DDB) 481513483730SMike Christie iscsi_block_session(ddb_entry->sess); 481613483730SMike Christie else 481713483730SMike Christie iscsi_session_failure(cls_session->dd_data, 481813483730SMike Christie ISCSI_ERR_CONN_FAILED); 4819b3a271a9SManish Rangankar } 4820b3a271a9SManish Rangankar 4821afaf5a2dSDavid Somayajulu /** 4822afaf5a2dSDavid Somayajulu * qla4xxx_recover_adapter - recovers adapter after a fatal error 4823afaf5a2dSDavid Somayajulu * @ha: Pointer to host adapter structure. 4824afaf5a2dSDavid Somayajulu **/ 4825f4f5df23SVikas Chaudhary static int qla4xxx_recover_adapter(struct scsi_qla_host *ha) 4826afaf5a2dSDavid Somayajulu { 4827f4f5df23SVikas Chaudhary int status = QLA_ERROR; 4828f4f5df23SVikas Chaudhary uint8_t reset_chip = 0; 48298e0f3a66SSarang Radke uint32_t dev_state; 48309ee91a38SShyam Sunder unsigned long wait; 4831afaf5a2dSDavid Somayajulu 4832afaf5a2dSDavid Somayajulu /* Stall incoming I/O until we are done */ 4833f4f5df23SVikas Chaudhary scsi_block_requests(ha->host); 4834afaf5a2dSDavid Somayajulu clear_bit(AF_ONLINE, &ha->flags); 4835b3a271a9SManish Rangankar clear_bit(AF_LINK_UP, &ha->flags); 483650a29aecSMike Christie 4837f4f5df23SVikas Chaudhary DEBUG2(ql4_printk(KERN_INFO, ha, "%s: adapter OFFLINE\n", __func__)); 4838afaf5a2dSDavid Somayajulu 4839f4f5df23SVikas Chaudhary set_bit(DPC_RESET_ACTIVE, &ha->dpc_flags); 4840afaf5a2dSDavid Somayajulu 4841b37ca418SVikas Chaudhary if ((is_qla8032(ha) || is_qla8042(ha)) && 4842546fef27STej Parkash !test_bit(DPC_RESET_HA_FW_CONTEXT, &ha->dpc_flags)) { 4843546fef27STej Parkash ql4_printk(KERN_INFO, ha, "%s: disabling pause transmit on port 0 & 1.\n", 4844546fef27STej Parkash __func__); 4845546fef27STej Parkash /* disable pause frame for ISP83xx */ 4846546fef27STej Parkash qla4_83xx_disable_pause(ha); 4847546fef27STej Parkash } 4848546fef27STej Parkash 4849b3a271a9SManish Rangankar iscsi_host_for_each_session(ha->host, qla4xxx_fail_session); 4850b3a271a9SManish Rangankar 4851f4f5df23SVikas Chaudhary if (test_bit(DPC_RESET_HA, &ha->dpc_flags)) 4852f4f5df23SVikas Chaudhary reset_chip = 1; 4853afaf5a2dSDavid Somayajulu 4854f4f5df23SVikas Chaudhary /* For the DPC_RESET_HA_INTR case (ISP-4xxx specific) 4855f4f5df23SVikas Chaudhary * do not reset adapter, jump to initialize_adapter */ 4856f4f5df23SVikas Chaudhary if (test_bit(DPC_RESET_HA_INTR, &ha->dpc_flags)) { 4857f4f5df23SVikas Chaudhary status = QLA_SUCCESS; 4858f4f5df23SVikas Chaudhary goto recover_ha_init_adapter; 4859afaf5a2dSDavid Somayajulu } 4860afaf5a2dSDavid Somayajulu 48616e7b4292SVikas Chaudhary /* For the ISP-8xxx adapter, issue a stop_firmware if invoked 4862f4f5df23SVikas Chaudhary * from eh_host_reset or ioctl module */ 48636e7b4292SVikas Chaudhary if (is_qla80XX(ha) && !reset_chip && 4864f4f5df23SVikas Chaudhary test_bit(DPC_RESET_HA_FW_CONTEXT, &ha->dpc_flags)) { 4865f4f5df23SVikas Chaudhary 4866f4f5df23SVikas Chaudhary DEBUG2(ql4_printk(KERN_INFO, ha, 4867f4f5df23SVikas Chaudhary "scsi%ld: %s - Performing stop_firmware...\n", 4868f4f5df23SVikas Chaudhary ha->host_no, __func__)); 4869f4f5df23SVikas Chaudhary status = ha->isp_ops->reset_firmware(ha); 4870f4f5df23SVikas Chaudhary if (status == QLA_SUCCESS) { 4871f4f5df23SVikas Chaudhary ha->isp_ops->disable_intrs(ha); 4872f4f5df23SVikas Chaudhary qla4xxx_process_aen(ha, FLUSH_DDB_CHANGED_AENS); 4873f4f5df23SVikas Chaudhary qla4xxx_abort_active_cmds(ha, DID_RESET << 16); 4874f4f5df23SVikas Chaudhary } else { 4875f4f5df23SVikas Chaudhary /* If the stop_firmware fails then 4876f4f5df23SVikas Chaudhary * reset the entire chip */ 4877f4f5df23SVikas Chaudhary reset_chip = 1; 4878f4f5df23SVikas Chaudhary clear_bit(DPC_RESET_HA_FW_CONTEXT, &ha->dpc_flags); 4879f4f5df23SVikas Chaudhary set_bit(DPC_RESET_HA, &ha->dpc_flags); 4880f4f5df23SVikas Chaudhary } 4881f4f5df23SVikas Chaudhary } 4882f4f5df23SVikas Chaudhary 4883f4f5df23SVikas Chaudhary /* Issue full chip reset if recovering from a catastrophic error, 48846e7b4292SVikas Chaudhary * or if stop_firmware fails for ISP-8xxx. 4885f4f5df23SVikas Chaudhary * This is the default case for ISP-4xxx */ 4886ee996a69SVikas Chaudhary if (is_qla40XX(ha) || reset_chip) { 4887ee996a69SVikas Chaudhary if (is_qla40XX(ha)) 48889ee91a38SShyam Sunder goto chip_reset; 48899ee91a38SShyam Sunder 48906e7b4292SVikas Chaudhary /* Check if 8XXX firmware is alive or not 48919ee91a38SShyam Sunder * We may have arrived here from NEED_RESET 48929ee91a38SShyam Sunder * detection only */ 48939ee91a38SShyam Sunder if (test_bit(AF_FW_RECOVERY, &ha->flags)) 48949ee91a38SShyam Sunder goto chip_reset; 48959ee91a38SShyam Sunder 48969ee91a38SShyam Sunder wait = jiffies + (FW_ALIVE_WAIT_TOV * HZ); 48979ee91a38SShyam Sunder while (time_before(jiffies, wait)) { 48989ee91a38SShyam Sunder if (qla4_8xxx_check_fw_alive(ha)) { 48999ee91a38SShyam Sunder qla4xxx_mailbox_premature_completion(ha); 49009ee91a38SShyam Sunder break; 49019ee91a38SShyam Sunder } 49029ee91a38SShyam Sunder 49039ee91a38SShyam Sunder set_current_state(TASK_UNINTERRUPTIBLE); 49049ee91a38SShyam Sunder schedule_timeout(HZ); 49059ee91a38SShyam Sunder } 4906da106212SVikas Chaudhary chip_reset: 49072bd1e2beSNilesh Javali if (!test_bit(AF_FW_RECOVERY, &ha->flags)) 4908f4f5df23SVikas Chaudhary qla4xxx_cmd_wait(ha); 4909da106212SVikas Chaudhary 4910f4f5df23SVikas Chaudhary qla4xxx_process_aen(ha, FLUSH_DDB_CHANGED_AENS); 4911f4f5df23SVikas Chaudhary DEBUG2(ql4_printk(KERN_INFO, ha, 4912f4f5df23SVikas Chaudhary "scsi%ld: %s - Performing chip reset..\n", 4913f4f5df23SVikas Chaudhary ha->host_no, __func__)); 4914f4f5df23SVikas Chaudhary status = ha->isp_ops->reset_chip(ha); 491561d9a2b6STej Parkash qla4xxx_abort_active_cmds(ha, DID_RESET << 16); 4916f4f5df23SVikas Chaudhary } 4917f4f5df23SVikas Chaudhary 4918f4f5df23SVikas Chaudhary /* Flush any pending ddb changed AENs */ 4919f4f5df23SVikas Chaudhary qla4xxx_process_aen(ha, FLUSH_DDB_CHANGED_AENS); 4920f4f5df23SVikas Chaudhary 4921f4f5df23SVikas Chaudhary recover_ha_init_adapter: 4922f4f5df23SVikas Chaudhary /* Upon successful firmware/chip reset, re-initialize the adapter */ 4923f4f5df23SVikas Chaudhary if (status == QLA_SUCCESS) { 4924f4f5df23SVikas Chaudhary /* For ISP-4xxx, force function 1 to always initialize 4925f4f5df23SVikas Chaudhary * before function 3 to prevent both funcions from 4926f4f5df23SVikas Chaudhary * stepping on top of the other */ 4927ee996a69SVikas Chaudhary if (is_qla40XX(ha) && (ha->mac_index == 3)) 4928f4f5df23SVikas Chaudhary ssleep(6); 4929f4f5df23SVikas Chaudhary 4930f4f5df23SVikas Chaudhary /* NOTE: AF_ONLINE flag set upon successful completion of 4931f4f5df23SVikas Chaudhary * qla4xxx_initialize_adapter */ 493213483730SMike Christie status = qla4xxx_initialize_adapter(ha, RESET_ADAPTER); 493337418cc6SNilesh Javali if (is_qla80XX(ha) && (status == QLA_ERROR)) { 493437418cc6SNilesh Javali status = qla4_8xxx_check_init_adapter_retry(ha); 493537418cc6SNilesh Javali if (status == QLA_ERROR) { 493637418cc6SNilesh Javali ql4_printk(KERN_INFO, ha, "scsi%ld: %s: Don't retry recover adapter\n", 493737418cc6SNilesh Javali ha->host_no, __func__); 493837418cc6SNilesh Javali qla4xxx_dead_adapter_cleanup(ha); 493937418cc6SNilesh Javali clear_bit(DPC_RETRY_RESET_HA, &ha->dpc_flags); 494037418cc6SNilesh Javali clear_bit(DPC_RESET_HA, &ha->dpc_flags); 494137418cc6SNilesh Javali clear_bit(DPC_RESET_HA_FW_CONTEXT, 494237418cc6SNilesh Javali &ha->dpc_flags); 494337418cc6SNilesh Javali goto exit_recover; 494437418cc6SNilesh Javali } 494537418cc6SNilesh Javali } 4946f4f5df23SVikas Chaudhary } 4947f4f5df23SVikas Chaudhary 4948f4f5df23SVikas Chaudhary /* Retry failed adapter initialization, if necessary 4949f4f5df23SVikas Chaudhary * Do not retry initialize_adapter for RESET_HA_INTR (ISP-4xxx specific) 4950f4f5df23SVikas Chaudhary * case to prevent ping-pong resets between functions */ 4951f4f5df23SVikas Chaudhary if (!test_bit(AF_ONLINE, &ha->flags) && 4952f4f5df23SVikas Chaudhary !test_bit(DPC_RESET_HA_INTR, &ha->dpc_flags)) { 4953afaf5a2dSDavid Somayajulu /* Adapter initialization failed, see if we can retry 4954f4f5df23SVikas Chaudhary * resetting the ha. 4955f4f5df23SVikas Chaudhary * Since we don't want to block the DPC for too long 4956f4f5df23SVikas Chaudhary * with multiple resets in the same thread, 4957f4f5df23SVikas Chaudhary * utilize DPC to retry */ 49586e7b4292SVikas Chaudhary if (is_qla80XX(ha)) { 495933693c7aSVikas Chaudhary ha->isp_ops->idc_lock(ha); 496033693c7aSVikas Chaudhary dev_state = qla4_8xxx_rd_direct(ha, 496133693c7aSVikas Chaudhary QLA8XXX_CRB_DEV_STATE); 496233693c7aSVikas Chaudhary ha->isp_ops->idc_unlock(ha); 4963de8c72daSVikas Chaudhary if (dev_state == QLA8XXX_DEV_FAILED) { 49648e0f3a66SSarang Radke ql4_printk(KERN_INFO, ha, "%s: don't retry " 49658e0f3a66SSarang Radke "recover adapter. H/W is in Failed " 49668e0f3a66SSarang Radke "state\n", __func__); 49678e0f3a66SSarang Radke qla4xxx_dead_adapter_cleanup(ha); 49688e0f3a66SSarang Radke clear_bit(DPC_RETRY_RESET_HA, &ha->dpc_flags); 49698e0f3a66SSarang Radke clear_bit(DPC_RESET_HA, &ha->dpc_flags); 49708e0f3a66SSarang Radke clear_bit(DPC_RESET_HA_FW_CONTEXT, 49718e0f3a66SSarang Radke &ha->dpc_flags); 49728e0f3a66SSarang Radke status = QLA_ERROR; 49738e0f3a66SSarang Radke 49748e0f3a66SSarang Radke goto exit_recover; 49758e0f3a66SSarang Radke } 49768e0f3a66SSarang Radke } 49778e0f3a66SSarang Radke 4978afaf5a2dSDavid Somayajulu if (!test_bit(DPC_RETRY_RESET_HA, &ha->dpc_flags)) { 4979afaf5a2dSDavid Somayajulu ha->retry_reset_ha_cnt = MAX_RESET_HA_RETRIES; 4980afaf5a2dSDavid Somayajulu DEBUG2(printk("scsi%ld: recover adapter - retrying " 4981afaf5a2dSDavid Somayajulu "(%d) more times\n", ha->host_no, 4982afaf5a2dSDavid Somayajulu ha->retry_reset_ha_cnt)); 4983afaf5a2dSDavid Somayajulu set_bit(DPC_RETRY_RESET_HA, &ha->dpc_flags); 4984afaf5a2dSDavid Somayajulu status = QLA_ERROR; 4985afaf5a2dSDavid Somayajulu } else { 4986afaf5a2dSDavid Somayajulu if (ha->retry_reset_ha_cnt > 0) { 4987afaf5a2dSDavid Somayajulu /* Schedule another Reset HA--DPC will retry */ 4988afaf5a2dSDavid Somayajulu ha->retry_reset_ha_cnt--; 4989afaf5a2dSDavid Somayajulu DEBUG2(printk("scsi%ld: recover adapter - " 4990afaf5a2dSDavid Somayajulu "retry remaining %d\n", 4991afaf5a2dSDavid Somayajulu ha->host_no, 4992afaf5a2dSDavid Somayajulu ha->retry_reset_ha_cnt)); 4993afaf5a2dSDavid Somayajulu status = QLA_ERROR; 4994afaf5a2dSDavid Somayajulu } 4995afaf5a2dSDavid Somayajulu 4996afaf5a2dSDavid Somayajulu if (ha->retry_reset_ha_cnt == 0) { 4997afaf5a2dSDavid Somayajulu /* Recover adapter retries have been exhausted. 4998afaf5a2dSDavid Somayajulu * Adapter DEAD */ 4999afaf5a2dSDavid Somayajulu DEBUG2(printk("scsi%ld: recover adapter " 5000afaf5a2dSDavid Somayajulu "failed - board disabled\n", 5001afaf5a2dSDavid Somayajulu ha->host_no)); 5002f4f5df23SVikas Chaudhary qla4xxx_dead_adapter_cleanup(ha); 5003afaf5a2dSDavid Somayajulu clear_bit(DPC_RETRY_RESET_HA, &ha->dpc_flags); 5004afaf5a2dSDavid Somayajulu clear_bit(DPC_RESET_HA, &ha->dpc_flags); 5005f4f5df23SVikas Chaudhary clear_bit(DPC_RESET_HA_FW_CONTEXT, 5006afaf5a2dSDavid Somayajulu &ha->dpc_flags); 5007afaf5a2dSDavid Somayajulu status = QLA_ERROR; 5008afaf5a2dSDavid Somayajulu } 5009afaf5a2dSDavid Somayajulu } 5010afaf5a2dSDavid Somayajulu } else { 5011afaf5a2dSDavid Somayajulu clear_bit(DPC_RESET_HA, &ha->dpc_flags); 5012f4f5df23SVikas Chaudhary clear_bit(DPC_RESET_HA_FW_CONTEXT, &ha->dpc_flags); 5013afaf5a2dSDavid Somayajulu clear_bit(DPC_RETRY_RESET_HA, &ha->dpc_flags); 5014afaf5a2dSDavid Somayajulu } 5015afaf5a2dSDavid Somayajulu 50168e0f3a66SSarang Radke exit_recover: 5017afaf5a2dSDavid Somayajulu ha->adapter_error_count++; 5018afaf5a2dSDavid Somayajulu 5019f4f5df23SVikas Chaudhary if (test_bit(AF_ONLINE, &ha->flags)) 5020f4f5df23SVikas Chaudhary ha->isp_ops->enable_intrs(ha); 5021afaf5a2dSDavid Somayajulu 5022f4f5df23SVikas Chaudhary scsi_unblock_requests(ha->host); 5023f4f5df23SVikas Chaudhary 5024f4f5df23SVikas Chaudhary clear_bit(DPC_RESET_ACTIVE, &ha->dpc_flags); 5025f4f5df23SVikas Chaudhary DEBUG2(printk("scsi%ld: recover adapter: %s\n", ha->host_no, 502625985edcSLucas De Marchi status == QLA_ERROR ? "FAILED" : "SUCCEEDED")); 5027f4f5df23SVikas Chaudhary 5028afaf5a2dSDavid Somayajulu return status; 5029afaf5a2dSDavid Somayajulu } 5030afaf5a2dSDavid Somayajulu 5031b3a271a9SManish Rangankar static void qla4xxx_relogin_devices(struct iscsi_cls_session *cls_session) 5032b3a271a9SManish Rangankar { 5033b3a271a9SManish Rangankar struct iscsi_session *sess; 5034b3a271a9SManish Rangankar struct ddb_entry *ddb_entry; 5035b3a271a9SManish Rangankar struct scsi_qla_host *ha; 5036b3a271a9SManish Rangankar 5037b3a271a9SManish Rangankar sess = cls_session->dd_data; 5038b3a271a9SManish Rangankar ddb_entry = sess->dd_data; 5039b3a271a9SManish Rangankar ha = ddb_entry->ha; 5040b3a271a9SManish Rangankar if (!iscsi_is_session_online(cls_session)) { 5041b3a271a9SManish Rangankar if (ddb_entry->fw_ddb_device_state == DDB_DS_SESSION_ACTIVE) { 5042b3a271a9SManish Rangankar ql4_printk(KERN_INFO, ha, "scsi%ld: %s: ddb[%d]" 5043b3a271a9SManish Rangankar " unblock session\n", ha->host_no, __func__, 5044b3a271a9SManish Rangankar ddb_entry->fw_ddb_index); 5045b3a271a9SManish Rangankar iscsi_unblock_session(ddb_entry->sess); 5046b3a271a9SManish Rangankar } else { 5047b3a271a9SManish Rangankar /* Trigger relogin */ 504813483730SMike Christie if (ddb_entry->ddb_type == FLASH_DDB) { 504999c6a33bSAdheer Chandravanshi if (!(test_bit(DF_RELOGIN, &ddb_entry->flags) || 505099c6a33bSAdheer Chandravanshi test_bit(DF_DISABLE_RELOGIN, 505199c6a33bSAdheer Chandravanshi &ddb_entry->flags))) 505213483730SMike Christie qla4xxx_arm_relogin_timer(ddb_entry); 505313483730SMike Christie } else 5054b3a271a9SManish Rangankar iscsi_session_failure(cls_session->dd_data, 5055b3a271a9SManish Rangankar ISCSI_ERR_CONN_FAILED); 5056b3a271a9SManish Rangankar } 5057b3a271a9SManish Rangankar } 5058b3a271a9SManish Rangankar } 5059b3a271a9SManish Rangankar 506013483730SMike Christie int qla4xxx_unblock_flash_ddb(struct iscsi_cls_session *cls_session) 506113483730SMike Christie { 506213483730SMike Christie struct iscsi_session *sess; 506313483730SMike Christie struct ddb_entry *ddb_entry; 506413483730SMike Christie struct scsi_qla_host *ha; 506513483730SMike Christie 506613483730SMike Christie sess = cls_session->dd_data; 506713483730SMike Christie ddb_entry = sess->dd_data; 506813483730SMike Christie ha = ddb_entry->ha; 506913483730SMike Christie ql4_printk(KERN_INFO, ha, "scsi%ld: %s: ddb[%d]" 507013483730SMike Christie " unblock session\n", ha->host_no, __func__, 507113483730SMike Christie ddb_entry->fw_ddb_index); 507213483730SMike Christie 507313483730SMike Christie iscsi_unblock_session(ddb_entry->sess); 507413483730SMike Christie 507513483730SMike Christie /* Start scan target */ 507613483730SMike Christie if (test_bit(AF_ONLINE, &ha->flags)) { 507713483730SMike Christie ql4_printk(KERN_INFO, ha, "scsi%ld: %s: ddb[%d]" 507813483730SMike Christie " start scan\n", ha->host_no, __func__, 507913483730SMike Christie ddb_entry->fw_ddb_index); 508013483730SMike Christie scsi_queue_work(ha->host, &ddb_entry->sess->scan_work); 508113483730SMike Christie } 508213483730SMike Christie return QLA_SUCCESS; 508313483730SMike Christie } 508413483730SMike Christie 508513483730SMike Christie int qla4xxx_unblock_ddb(struct iscsi_cls_session *cls_session) 508613483730SMike Christie { 508713483730SMike Christie struct iscsi_session *sess; 508813483730SMike Christie struct ddb_entry *ddb_entry; 508913483730SMike Christie struct scsi_qla_host *ha; 509080c53e64SManish Rangankar int status = QLA_SUCCESS; 509113483730SMike Christie 509213483730SMike Christie sess = cls_session->dd_data; 509313483730SMike Christie ddb_entry = sess->dd_data; 509413483730SMike Christie ha = ddb_entry->ha; 509513483730SMike Christie ql4_printk(KERN_INFO, ha, "scsi%ld: %s: ddb[%d]" 509613483730SMike Christie " unblock user space session\n", ha->host_no, __func__, 509713483730SMike Christie ddb_entry->fw_ddb_index); 509880c53e64SManish Rangankar 509980c53e64SManish Rangankar if (!iscsi_is_session_online(cls_session)) { 510013483730SMike Christie iscsi_conn_start(ddb_entry->conn); 510113483730SMike Christie iscsi_conn_login_event(ddb_entry->conn, 510213483730SMike Christie ISCSI_CONN_STATE_LOGGED_IN); 510380c53e64SManish Rangankar } else { 510480c53e64SManish Rangankar ql4_printk(KERN_INFO, ha, 510580c53e64SManish Rangankar "scsi%ld: %s: ddb[%d] session [%d] already logged in\n", 510680c53e64SManish Rangankar ha->host_no, __func__, ddb_entry->fw_ddb_index, 510780c53e64SManish Rangankar cls_session->sid); 510880c53e64SManish Rangankar status = QLA_ERROR; 510980c53e64SManish Rangankar } 511013483730SMike Christie 511180c53e64SManish Rangankar return status; 511213483730SMike Christie } 511313483730SMike Christie 51142d7924e6SVikas Chaudhary static void qla4xxx_relogin_all_devices(struct scsi_qla_host *ha) 51152d7924e6SVikas Chaudhary { 5116b3a271a9SManish Rangankar iscsi_host_for_each_session(ha->host, qla4xxx_relogin_devices); 51172d7924e6SVikas Chaudhary } 51182d7924e6SVikas Chaudhary 511913483730SMike Christie static void qla4xxx_relogin_flash_ddb(struct iscsi_cls_session *cls_sess) 512013483730SMike Christie { 512113483730SMike Christie uint16_t relogin_timer; 512213483730SMike Christie struct iscsi_session *sess; 512313483730SMike Christie struct ddb_entry *ddb_entry; 512413483730SMike Christie struct scsi_qla_host *ha; 512513483730SMike Christie 512613483730SMike Christie sess = cls_sess->dd_data; 512713483730SMike Christie ddb_entry = sess->dd_data; 512813483730SMike Christie ha = ddb_entry->ha; 512913483730SMike Christie 513013483730SMike Christie relogin_timer = max(ddb_entry->default_relogin_timeout, 513113483730SMike Christie (uint16_t)RELOGIN_TOV); 513213483730SMike Christie atomic_set(&ddb_entry->relogin_timer, relogin_timer); 513313483730SMike Christie 513413483730SMike Christie DEBUG2(ql4_printk(KERN_INFO, ha, 513513483730SMike Christie "scsi%ld: Relogin index [%d]. TOV=%d\n", ha->host_no, 513613483730SMike Christie ddb_entry->fw_ddb_index, relogin_timer)); 513713483730SMike Christie 513813483730SMike Christie qla4xxx_login_flash_ddb(cls_sess); 513913483730SMike Christie } 514013483730SMike Christie 514113483730SMike Christie static void qla4xxx_dpc_relogin(struct iscsi_cls_session *cls_sess) 514213483730SMike Christie { 514313483730SMike Christie struct iscsi_session *sess; 514413483730SMike Christie struct ddb_entry *ddb_entry; 514513483730SMike Christie struct scsi_qla_host *ha; 514613483730SMike Christie 514713483730SMike Christie sess = cls_sess->dd_data; 514813483730SMike Christie ddb_entry = sess->dd_data; 514913483730SMike Christie ha = ddb_entry->ha; 515013483730SMike Christie 515113483730SMike Christie if (!(ddb_entry->ddb_type == FLASH_DDB)) 515213483730SMike Christie return; 515313483730SMike Christie 515499c6a33bSAdheer Chandravanshi if (test_bit(DF_DISABLE_RELOGIN, &ddb_entry->flags)) 515599c6a33bSAdheer Chandravanshi return; 515699c6a33bSAdheer Chandravanshi 515713483730SMike Christie if (test_and_clear_bit(DF_RELOGIN, &ddb_entry->flags) && 515813483730SMike Christie !iscsi_is_session_online(cls_sess)) { 515913483730SMike Christie DEBUG2(ql4_printk(KERN_INFO, ha, 516013483730SMike Christie "relogin issued\n")); 516113483730SMike Christie qla4xxx_relogin_flash_ddb(cls_sess); 516213483730SMike Christie } 516313483730SMike Christie } 516413483730SMike Christie 5165f4f5df23SVikas Chaudhary void qla4xxx_wake_dpc(struct scsi_qla_host *ha) 5166f4f5df23SVikas Chaudhary { 51671b46807eSLalit Chandivade if (ha->dpc_thread) 5168f4f5df23SVikas Chaudhary queue_work(ha->dpc_thread, &ha->dpc_work); 5169f4f5df23SVikas Chaudhary } 5170f4f5df23SVikas Chaudhary 5171ff884430SVikas Chaudhary static struct qla4_work_evt * 5172ff884430SVikas Chaudhary qla4xxx_alloc_work(struct scsi_qla_host *ha, uint32_t data_size, 5173ff884430SVikas Chaudhary enum qla4_work_type type) 5174ff884430SVikas Chaudhary { 5175ff884430SVikas Chaudhary struct qla4_work_evt *e; 5176ff884430SVikas Chaudhary uint32_t size = sizeof(struct qla4_work_evt) + data_size; 5177ff884430SVikas Chaudhary 5178ff884430SVikas Chaudhary e = kzalloc(size, GFP_ATOMIC); 5179ff884430SVikas Chaudhary if (!e) 5180ff884430SVikas Chaudhary return NULL; 5181ff884430SVikas Chaudhary 5182ff884430SVikas Chaudhary INIT_LIST_HEAD(&e->list); 5183ff884430SVikas Chaudhary e->type = type; 5184ff884430SVikas Chaudhary return e; 5185ff884430SVikas Chaudhary } 5186ff884430SVikas Chaudhary 5187ff884430SVikas Chaudhary static void qla4xxx_post_work(struct scsi_qla_host *ha, 5188ff884430SVikas Chaudhary struct qla4_work_evt *e) 5189ff884430SVikas Chaudhary { 5190ff884430SVikas Chaudhary unsigned long flags; 5191ff884430SVikas Chaudhary 5192ff884430SVikas Chaudhary spin_lock_irqsave(&ha->work_lock, flags); 5193ff884430SVikas Chaudhary list_add_tail(&e->list, &ha->work_list); 5194ff884430SVikas Chaudhary spin_unlock_irqrestore(&ha->work_lock, flags); 5195ff884430SVikas Chaudhary qla4xxx_wake_dpc(ha); 5196ff884430SVikas Chaudhary } 5197ff884430SVikas Chaudhary 5198ff884430SVikas Chaudhary int qla4xxx_post_aen_work(struct scsi_qla_host *ha, 5199ff884430SVikas Chaudhary enum iscsi_host_event_code aen_code, 5200ff884430SVikas Chaudhary uint32_t data_size, uint8_t *data) 5201ff884430SVikas Chaudhary { 5202ff884430SVikas Chaudhary struct qla4_work_evt *e; 5203ff884430SVikas Chaudhary 5204ff884430SVikas Chaudhary e = qla4xxx_alloc_work(ha, data_size, QLA4_EVENT_AEN); 5205ff884430SVikas Chaudhary if (!e) 5206ff884430SVikas Chaudhary return QLA_ERROR; 5207ff884430SVikas Chaudhary 5208ff884430SVikas Chaudhary e->u.aen.code = aen_code; 5209ff884430SVikas Chaudhary e->u.aen.data_size = data_size; 5210ff884430SVikas Chaudhary memcpy(e->u.aen.data, data, data_size); 5211ff884430SVikas Chaudhary 5212ff884430SVikas Chaudhary qla4xxx_post_work(ha, e); 5213ff884430SVikas Chaudhary 5214ff884430SVikas Chaudhary return QLA_SUCCESS; 5215ff884430SVikas Chaudhary } 5216ff884430SVikas Chaudhary 5217c0b9d3f7SVikas Chaudhary int qla4xxx_post_ping_evt_work(struct scsi_qla_host *ha, 5218c0b9d3f7SVikas Chaudhary uint32_t status, uint32_t pid, 5219c0b9d3f7SVikas Chaudhary uint32_t data_size, uint8_t *data) 5220c0b9d3f7SVikas Chaudhary { 5221c0b9d3f7SVikas Chaudhary struct qla4_work_evt *e; 5222c0b9d3f7SVikas Chaudhary 5223c0b9d3f7SVikas Chaudhary e = qla4xxx_alloc_work(ha, data_size, QLA4_EVENT_PING_STATUS); 5224c0b9d3f7SVikas Chaudhary if (!e) 5225c0b9d3f7SVikas Chaudhary return QLA_ERROR; 5226c0b9d3f7SVikas Chaudhary 5227c0b9d3f7SVikas Chaudhary e->u.ping.status = status; 5228c0b9d3f7SVikas Chaudhary e->u.ping.pid = pid; 5229c0b9d3f7SVikas Chaudhary e->u.ping.data_size = data_size; 5230c0b9d3f7SVikas Chaudhary memcpy(e->u.ping.data, data, data_size); 5231c0b9d3f7SVikas Chaudhary 5232c0b9d3f7SVikas Chaudhary qla4xxx_post_work(ha, e); 5233c0b9d3f7SVikas Chaudhary 5234c0b9d3f7SVikas Chaudhary return QLA_SUCCESS; 5235c0b9d3f7SVikas Chaudhary } 5236c0b9d3f7SVikas Chaudhary 5237a7380a65SVikas Chaudhary static void qla4xxx_do_work(struct scsi_qla_host *ha) 5238ff884430SVikas Chaudhary { 5239ff884430SVikas Chaudhary struct qla4_work_evt *e, *tmp; 5240ff884430SVikas Chaudhary unsigned long flags; 5241ff884430SVikas Chaudhary LIST_HEAD(work); 5242ff884430SVikas Chaudhary 5243ff884430SVikas Chaudhary spin_lock_irqsave(&ha->work_lock, flags); 5244ff884430SVikas Chaudhary list_splice_init(&ha->work_list, &work); 5245ff884430SVikas Chaudhary spin_unlock_irqrestore(&ha->work_lock, flags); 5246ff884430SVikas Chaudhary 5247ff884430SVikas Chaudhary list_for_each_entry_safe(e, tmp, &work, list) { 5248ff884430SVikas Chaudhary list_del_init(&e->list); 5249ff884430SVikas Chaudhary 5250ff884430SVikas Chaudhary switch (e->type) { 5251ff884430SVikas Chaudhary case QLA4_EVENT_AEN: 5252ff884430SVikas Chaudhary iscsi_post_host_event(ha->host_no, 5253ff884430SVikas Chaudhary &qla4xxx_iscsi_transport, 5254ff884430SVikas Chaudhary e->u.aen.code, 5255ff884430SVikas Chaudhary e->u.aen.data_size, 5256ff884430SVikas Chaudhary e->u.aen.data); 5257ff884430SVikas Chaudhary break; 5258c0b9d3f7SVikas Chaudhary case QLA4_EVENT_PING_STATUS: 5259c0b9d3f7SVikas Chaudhary iscsi_ping_comp_event(ha->host_no, 5260c0b9d3f7SVikas Chaudhary &qla4xxx_iscsi_transport, 5261c0b9d3f7SVikas Chaudhary e->u.ping.status, 5262c0b9d3f7SVikas Chaudhary e->u.ping.pid, 5263c0b9d3f7SVikas Chaudhary e->u.ping.data_size, 5264c0b9d3f7SVikas Chaudhary e->u.ping.data); 5265c0b9d3f7SVikas Chaudhary break; 5266ff884430SVikas Chaudhary default: 5267ff884430SVikas Chaudhary ql4_printk(KERN_WARNING, ha, "event type: 0x%x not " 5268ff884430SVikas Chaudhary "supported", e->type); 5269ff884430SVikas Chaudhary } 5270ff884430SVikas Chaudhary kfree(e); 5271ff884430SVikas Chaudhary } 5272ff884430SVikas Chaudhary } 5273ff884430SVikas Chaudhary 5274afaf5a2dSDavid Somayajulu /** 5275afaf5a2dSDavid Somayajulu * qla4xxx_do_dpc - dpc routine 5276afaf5a2dSDavid Somayajulu * @data: in our case pointer to adapter structure 5277afaf5a2dSDavid Somayajulu * 5278afaf5a2dSDavid Somayajulu * This routine is a task that is schedule by the interrupt handler 5279afaf5a2dSDavid Somayajulu * to perform the background processing for interrupts. We put it 5280afaf5a2dSDavid Somayajulu * on a task queue that is consumed whenever the scheduler runs; that's 5281afaf5a2dSDavid Somayajulu * so you can do anything (i.e. put the process to sleep etc). In fact, 5282afaf5a2dSDavid Somayajulu * the mid-level tries to sleep when it reaches the driver threshold 5283afaf5a2dSDavid Somayajulu * "host->can_queue". This can cause a panic if we were in our interrupt code. 5284afaf5a2dSDavid Somayajulu **/ 5285c4028958SDavid Howells static void qla4xxx_do_dpc(struct work_struct *work) 5286afaf5a2dSDavid Somayajulu { 5287c4028958SDavid Howells struct scsi_qla_host *ha = 5288c4028958SDavid Howells container_of(work, struct scsi_qla_host, dpc_work); 5289477ffb9dSDavid C Somayajulu int status = QLA_ERROR; 5290afaf5a2dSDavid Somayajulu 5291a7e5688dSVikas Chaudhary DEBUG2(ql4_printk(KERN_INFO, ha, 5292a7e5688dSVikas Chaudhary "scsi%ld: %s: DPC handler waking up. flags = 0x%08lx, dpc_flags = 0x%08lx\n", 5293a7e5688dSVikas Chaudhary ha->host_no, __func__, ha->flags, ha->dpc_flags)); 5294afaf5a2dSDavid Somayajulu 5295afaf5a2dSDavid Somayajulu /* Initialization not yet finished. Don't do anything yet. */ 5296afaf5a2dSDavid Somayajulu if (!test_bit(AF_INIT_DONE, &ha->flags)) 52971b46807eSLalit Chandivade return; 5298afaf5a2dSDavid Somayajulu 52992232be0dSLalit Chandivade if (test_bit(AF_EEH_BUSY, &ha->flags)) { 53002232be0dSLalit Chandivade DEBUG2(printk(KERN_INFO "scsi%ld: %s: flags = %lx\n", 53012232be0dSLalit Chandivade ha->host_no, __func__, ha->flags)); 53021b46807eSLalit Chandivade return; 53032232be0dSLalit Chandivade } 53042232be0dSLalit Chandivade 5305ff884430SVikas Chaudhary /* post events to application */ 5306ff884430SVikas Chaudhary qla4xxx_do_work(ha); 5307ff884430SVikas Chaudhary 53086e7b4292SVikas Chaudhary if (is_qla80XX(ha)) { 5309f4f5df23SVikas Chaudhary if (test_bit(DPC_HA_UNRECOVERABLE, &ha->dpc_flags)) { 5310b37ca418SVikas Chaudhary if (is_qla8032(ha) || is_qla8042(ha)) { 5311546fef27STej Parkash ql4_printk(KERN_INFO, ha, "%s: disabling pause transmit on port 0 & 1.\n", 5312546fef27STej Parkash __func__); 5313546fef27STej Parkash /* disable pause frame for ISP83xx */ 5314546fef27STej Parkash qla4_83xx_disable_pause(ha); 5315546fef27STej Parkash } 5316546fef27STej Parkash 531733693c7aSVikas Chaudhary ha->isp_ops->idc_lock(ha); 531833693c7aSVikas Chaudhary qla4_8xxx_wr_direct(ha, QLA8XXX_CRB_DEV_STATE, 5319de8c72daSVikas Chaudhary QLA8XXX_DEV_FAILED); 532033693c7aSVikas Chaudhary ha->isp_ops->idc_unlock(ha); 5321f4f5df23SVikas Chaudhary ql4_printk(KERN_INFO, ha, "HW State: FAILED\n"); 5322f4f5df23SVikas Chaudhary qla4_8xxx_device_state_handler(ha); 5323f4f5df23SVikas Chaudhary } 5324320a61deSNilesh Javali 53257ab284c9SNilesh Javali if (test_bit(DPC_POST_IDC_ACK, &ha->dpc_flags)) { 53267ab284c9SNilesh Javali if (is_qla8042(ha)) { 53277ab284c9SNilesh Javali if (ha->idc_info.info2 & 53287ab284c9SNilesh Javali ENABLE_INTERNAL_LOOPBACK) { 53297ab284c9SNilesh Javali ql4_printk(KERN_INFO, ha, "%s: Disabling ACB\n", 53307ab284c9SNilesh Javali __func__); 53317ab284c9SNilesh Javali status = qla4_84xx_config_acb(ha, 53327ab284c9SNilesh Javali ACB_CONFIG_DISABLE); 53337ab284c9SNilesh Javali if (status != QLA_SUCCESS) { 53347ab284c9SNilesh Javali ql4_printk(KERN_INFO, ha, "%s: ACB config failed\n", 53357ab284c9SNilesh Javali __func__); 53367ab284c9SNilesh Javali } 53377ab284c9SNilesh Javali } 53387ab284c9SNilesh Javali } 5339320a61deSNilesh Javali qla4_83xx_post_idc_ack(ha); 53407ab284c9SNilesh Javali clear_bit(DPC_POST_IDC_ACK, &ha->dpc_flags); 53417ab284c9SNilesh Javali } 53427ab284c9SNilesh Javali 53437ab284c9SNilesh Javali if (is_qla8042(ha) && 53447ab284c9SNilesh Javali test_bit(DPC_RESTORE_ACB, &ha->dpc_flags)) { 53457ab284c9SNilesh Javali ql4_printk(KERN_INFO, ha, "%s: Restoring ACB\n", 53467ab284c9SNilesh Javali __func__); 53477ab284c9SNilesh Javali if (qla4_84xx_config_acb(ha, ACB_CONFIG_SET) != 53487ab284c9SNilesh Javali QLA_SUCCESS) { 53497ab284c9SNilesh Javali ql4_printk(KERN_INFO, ha, "%s: ACB config failed ", 53507ab284c9SNilesh Javali __func__); 53517ab284c9SNilesh Javali } 53527ab284c9SNilesh Javali clear_bit(DPC_RESTORE_ACB, &ha->dpc_flags); 53537ab284c9SNilesh Javali } 5354320a61deSNilesh Javali 5355f4f5df23SVikas Chaudhary if (test_and_clear_bit(DPC_HA_NEED_QUIESCENT, &ha->dpc_flags)) { 5356f4f5df23SVikas Chaudhary qla4_8xxx_need_qsnt_handler(ha); 5357f4f5df23SVikas Chaudhary } 5358f4f5df23SVikas Chaudhary } 5359f4f5df23SVikas Chaudhary 5360f4f5df23SVikas Chaudhary if (!test_bit(DPC_RESET_ACTIVE, &ha->dpc_flags) && 5361f4f5df23SVikas Chaudhary (test_bit(DPC_RESET_HA, &ha->dpc_flags) || 5362afaf5a2dSDavid Somayajulu test_bit(DPC_RESET_HA_INTR, &ha->dpc_flags) || 5363f4f5df23SVikas Chaudhary test_bit(DPC_RESET_HA_FW_CONTEXT, &ha->dpc_flags))) { 53646e7b4292SVikas Chaudhary if ((is_qla8022(ha) && ql4xdontresethba) || 5365b37ca418SVikas Chaudhary ((is_qla8032(ha) || is_qla8042(ha)) && 5366b37ca418SVikas Chaudhary qla4_83xx_idc_dontreset(ha))) { 5367f4f5df23SVikas Chaudhary DEBUG2(printk("scsi%ld: %s: Don't Reset HBA\n", 5368f4f5df23SVikas Chaudhary ha->host_no, __func__)); 5369f4f5df23SVikas Chaudhary clear_bit(DPC_RESET_HA, &ha->dpc_flags); 5370f4f5df23SVikas Chaudhary clear_bit(DPC_RESET_HA_INTR, &ha->dpc_flags); 5371f4f5df23SVikas Chaudhary clear_bit(DPC_RESET_HA_FW_CONTEXT, &ha->dpc_flags); 5372f4f5df23SVikas Chaudhary goto dpc_post_reset_ha; 5373f4f5df23SVikas Chaudhary } 5374f4f5df23SVikas Chaudhary if (test_bit(DPC_RESET_HA_FW_CONTEXT, &ha->dpc_flags) || 5375f26b9044SDavid C Somayajulu test_bit(DPC_RESET_HA, &ha->dpc_flags)) 5376f4f5df23SVikas Chaudhary qla4xxx_recover_adapter(ha); 5377afaf5a2dSDavid Somayajulu 5378477ffb9dSDavid C Somayajulu if (test_bit(DPC_RESET_HA_INTR, &ha->dpc_flags)) { 5379afaf5a2dSDavid Somayajulu uint8_t wait_time = RESET_INTR_TOV; 5380afaf5a2dSDavid Somayajulu 5381afaf5a2dSDavid Somayajulu while ((readw(&ha->reg->ctrl_status) & 5382afaf5a2dSDavid Somayajulu (CSR_SOFT_RESET | CSR_FORCE_SOFT_RESET)) != 0) { 5383afaf5a2dSDavid Somayajulu if (--wait_time == 0) 5384afaf5a2dSDavid Somayajulu break; 5385afaf5a2dSDavid Somayajulu msleep(1000); 5386afaf5a2dSDavid Somayajulu } 5387afaf5a2dSDavid Somayajulu if (wait_time == 0) 5388afaf5a2dSDavid Somayajulu DEBUG2(printk("scsi%ld: %s: SR|FSR " 5389afaf5a2dSDavid Somayajulu "bit not cleared-- resetting\n", 5390afaf5a2dSDavid Somayajulu ha->host_no, __func__)); 5391f4f5df23SVikas Chaudhary qla4xxx_abort_active_cmds(ha, DID_RESET << 16); 5392477ffb9dSDavid C Somayajulu if (ql4xxx_lock_drvr_wait(ha) == QLA_SUCCESS) { 5393477ffb9dSDavid C Somayajulu qla4xxx_process_aen(ha, FLUSH_DDB_CHANGED_AENS); 5394f4f5df23SVikas Chaudhary status = qla4xxx_recover_adapter(ha); 5395477ffb9dSDavid C Somayajulu } 5396477ffb9dSDavid C Somayajulu clear_bit(DPC_RESET_HA_INTR, &ha->dpc_flags); 5397477ffb9dSDavid C Somayajulu if (status == QLA_SUCCESS) 5398f4f5df23SVikas Chaudhary ha->isp_ops->enable_intrs(ha); 5399afaf5a2dSDavid Somayajulu } 5400afaf5a2dSDavid Somayajulu } 5401afaf5a2dSDavid Somayajulu 5402f4f5df23SVikas Chaudhary dpc_post_reset_ha: 5403afaf5a2dSDavid Somayajulu /* ---- process AEN? --- */ 5404afaf5a2dSDavid Somayajulu if (test_and_clear_bit(DPC_AEN, &ha->dpc_flags)) 5405afaf5a2dSDavid Somayajulu qla4xxx_process_aen(ha, PROCESS_ALL_AENS); 5406afaf5a2dSDavid Somayajulu 5407afaf5a2dSDavid Somayajulu /* ---- Get DHCP IP Address? --- */ 5408afaf5a2dSDavid Somayajulu if (test_and_clear_bit(DPC_GET_DHCP_IP_ADDR, &ha->dpc_flags)) 5409afaf5a2dSDavid Somayajulu qla4xxx_get_dhcp_ip_address(ha); 5410afaf5a2dSDavid Somayajulu 541113483730SMike Christie /* ---- relogin device? --- */ 541213483730SMike Christie if (adapter_up(ha) && 541313483730SMike Christie test_and_clear_bit(DPC_RELOGIN_DEVICE, &ha->dpc_flags)) { 541413483730SMike Christie iscsi_host_for_each_session(ha->host, qla4xxx_dpc_relogin); 541513483730SMike Christie } 541613483730SMike Christie 5417065aa1b4SVikas Chaudhary /* ---- link change? --- */ 5418026fbd3aSNilesh Javali if (!test_bit(AF_LOOPBACK, &ha->flags) && 5419026fbd3aSNilesh Javali test_and_clear_bit(DPC_LINK_CHANGED, &ha->dpc_flags)) { 5420065aa1b4SVikas Chaudhary if (!test_bit(AF_LINK_UP, &ha->flags)) { 5421065aa1b4SVikas Chaudhary /* ---- link down? --- */ 54222d7924e6SVikas Chaudhary qla4xxx_mark_all_devices_missing(ha); 5423065aa1b4SVikas Chaudhary } else { 5424065aa1b4SVikas Chaudhary /* ---- link up? --- * 5425065aa1b4SVikas Chaudhary * F/W will auto login to all devices ONLY ONCE after 5426065aa1b4SVikas Chaudhary * link up during driver initialization and runtime 5427065aa1b4SVikas Chaudhary * fatal error recovery. Therefore, the driver must 5428065aa1b4SVikas Chaudhary * manually relogin to devices when recovering from 5429065aa1b4SVikas Chaudhary * connection failures, logouts, expired KATO, etc. */ 543013483730SMike Christie if (test_and_clear_bit(AF_BUILD_DDB_LIST, &ha->flags)) { 543113483730SMike Christie qla4xxx_build_ddb_list(ha, ha->is_reset); 543213483730SMike Christie iscsi_host_for_each_session(ha->host, 543313483730SMike Christie qla4xxx_login_flash_ddb); 543413483730SMike Christie } else 54352d7924e6SVikas Chaudhary qla4xxx_relogin_all_devices(ha); 5436065aa1b4SVikas Chaudhary } 5437065aa1b4SVikas Chaudhary } 5438906cbf3dSNilesh Javali if (test_and_clear_bit(DPC_SYSFS_DDB_EXPORT, &ha->dpc_flags)) { 5439906cbf3dSNilesh Javali if (qla4xxx_sysfs_ddb_export(ha)) 5440906cbf3dSNilesh Javali ql4_printk(KERN_ERR, ha, "%s: Error exporting ddb to sysfs\n", 5441906cbf3dSNilesh Javali __func__); 5442906cbf3dSNilesh Javali } 5443afaf5a2dSDavid Somayajulu } 5444afaf5a2dSDavid Somayajulu 5445afaf5a2dSDavid Somayajulu /** 5446afaf5a2dSDavid Somayajulu * qla4xxx_free_adapter - release the adapter 5447afaf5a2dSDavid Somayajulu * @ha: pointer to adapter structure 5448afaf5a2dSDavid Somayajulu **/ 5449afaf5a2dSDavid Somayajulu static void qla4xxx_free_adapter(struct scsi_qla_host *ha) 5450afaf5a2dSDavid Somayajulu { 54518a288960SSarang Radke qla4xxx_abort_active_cmds(ha, DID_NO_CONNECT << 16); 5452afaf5a2dSDavid Somayajulu 5453afaf5a2dSDavid Somayajulu /* Turn-off interrupts on the card. */ 5454f4f5df23SVikas Chaudhary ha->isp_ops->disable_intrs(ha); 5455afaf5a2dSDavid Somayajulu 5456d9e62e51SVikas Chaudhary if (is_qla40XX(ha)) { 5457d9e62e51SVikas Chaudhary writel(set_rmask(CSR_SCSI_PROCESSOR_INTR), 5458d9e62e51SVikas Chaudhary &ha->reg->ctrl_status); 5459d9e62e51SVikas Chaudhary readl(&ha->reg->ctrl_status); 5460d9e62e51SVikas Chaudhary } else if (is_qla8022(ha)) { 54617664a1fdSVikas Chaudhary writel(0, &ha->qla4_82xx_reg->host_int); 54627664a1fdSVikas Chaudhary readl(&ha->qla4_82xx_reg->host_int); 5463b37ca418SVikas Chaudhary } else if (is_qla8032(ha) || is_qla8042(ha)) { 5464fbd8107cSVikas Chaudhary writel(0, &ha->qla4_83xx_reg->risc_intr); 5465fbd8107cSVikas Chaudhary readl(&ha->qla4_83xx_reg->risc_intr); 5466d9e62e51SVikas Chaudhary } 5467d9e62e51SVikas Chaudhary 5468afaf5a2dSDavid Somayajulu /* Remove timer thread, if present */ 5469afaf5a2dSDavid Somayajulu if (ha->timer_active) 5470afaf5a2dSDavid Somayajulu qla4xxx_stop_timer(ha); 5471afaf5a2dSDavid Somayajulu 5472f4f5df23SVikas Chaudhary /* Kill the kernel thread for this host */ 5473f4f5df23SVikas Chaudhary if (ha->dpc_thread) 5474f4f5df23SVikas Chaudhary destroy_workqueue(ha->dpc_thread); 5475f4f5df23SVikas Chaudhary 5476b3a271a9SManish Rangankar /* Kill the kernel thread for this host */ 5477b3a271a9SManish Rangankar if (ha->task_wq) 5478b3a271a9SManish Rangankar destroy_workqueue(ha->task_wq); 5479b3a271a9SManish Rangankar 5480f4f5df23SVikas Chaudhary /* Put firmware in known state */ 5481f4f5df23SVikas Chaudhary ha->isp_ops->reset_firmware(ha); 5482f4f5df23SVikas Chaudhary 54836e7b4292SVikas Chaudhary if (is_qla80XX(ha)) { 548433693c7aSVikas Chaudhary ha->isp_ops->idc_lock(ha); 5485f4f5df23SVikas Chaudhary qla4_8xxx_clear_drv_active(ha); 548633693c7aSVikas Chaudhary ha->isp_ops->idc_unlock(ha); 5487f4f5df23SVikas Chaudhary } 5488f4f5df23SVikas Chaudhary 5489afaf5a2dSDavid Somayajulu /* Detach interrupts */ 5490f4f5df23SVikas Chaudhary qla4xxx_free_irqs(ha); 5491afaf5a2dSDavid Somayajulu 5492bee4fe8eSDavid C Somayajulu /* free extra memory */ 5493bee4fe8eSDavid C Somayajulu qla4xxx_mem_free(ha); 5494f4f5df23SVikas Chaudhary } 5495bee4fe8eSDavid C Somayajulu 5496f4f5df23SVikas Chaudhary int qla4_8xxx_iospace_config(struct scsi_qla_host *ha) 5497f4f5df23SVikas Chaudhary { 5498f4f5df23SVikas Chaudhary int status = 0; 5499f4f5df23SVikas Chaudhary unsigned long mem_base, mem_len, db_base, db_len; 5500f4f5df23SVikas Chaudhary struct pci_dev *pdev = ha->pdev; 5501afaf5a2dSDavid Somayajulu 5502f4f5df23SVikas Chaudhary status = pci_request_regions(pdev, DRIVER_NAME); 5503f4f5df23SVikas Chaudhary if (status) { 5504f4f5df23SVikas Chaudhary printk(KERN_WARNING 5505f4f5df23SVikas Chaudhary "scsi(%ld) Failed to reserve PIO regions (%s) " 5506f4f5df23SVikas Chaudhary "status=%d\n", ha->host_no, pci_name(pdev), status); 5507f4f5df23SVikas Chaudhary goto iospace_error_exit; 5508f4f5df23SVikas Chaudhary } 5509f4f5df23SVikas Chaudhary 5510f4f5df23SVikas Chaudhary DEBUG2(printk(KERN_INFO "%s: revision-id=%d\n", 55117d7311c4SSergei Shtylyov __func__, pdev->revision)); 55127d7311c4SSergei Shtylyov ha->revision_id = pdev->revision; 5513f4f5df23SVikas Chaudhary 5514f4f5df23SVikas Chaudhary /* remap phys address */ 5515f4f5df23SVikas Chaudhary mem_base = pci_resource_start(pdev, 0); /* 0 is for BAR 0 */ 5516f4f5df23SVikas Chaudhary mem_len = pci_resource_len(pdev, 0); 5517f4f5df23SVikas Chaudhary DEBUG2(printk(KERN_INFO "%s: ioremap from %lx a size of %lx\n", 5518f4f5df23SVikas Chaudhary __func__, mem_base, mem_len)); 5519f4f5df23SVikas Chaudhary 5520f4f5df23SVikas Chaudhary /* mapping of pcibase pointer */ 5521f4f5df23SVikas Chaudhary ha->nx_pcibase = (unsigned long)ioremap(mem_base, mem_len); 5522f4f5df23SVikas Chaudhary if (!ha->nx_pcibase) { 5523f4f5df23SVikas Chaudhary printk(KERN_ERR 5524f4f5df23SVikas Chaudhary "cannot remap MMIO (%s), aborting\n", pci_name(pdev)); 5525f4f5df23SVikas Chaudhary pci_release_regions(ha->pdev); 5526f4f5df23SVikas Chaudhary goto iospace_error_exit; 5527f4f5df23SVikas Chaudhary } 5528f4f5df23SVikas Chaudhary 5529f4f5df23SVikas Chaudhary /* Mapping of IO base pointer, door bell read and write pointer */ 5530f4f5df23SVikas Chaudhary 5531f4f5df23SVikas Chaudhary /* mapping of IO base pointer */ 55326e7b4292SVikas Chaudhary if (is_qla8022(ha)) { 55336e7b4292SVikas Chaudhary ha->qla4_82xx_reg = (struct device_reg_82xx __iomem *) 55346e7b4292SVikas Chaudhary ((uint8_t *)ha->nx_pcibase + 0xbc000 + 55356e7b4292SVikas Chaudhary (ha->pdev->devfn << 11)); 55366e7b4292SVikas Chaudhary ha->nx_db_wr_ptr = (ha->pdev->devfn == 4 ? QLA82XX_CAM_RAM_DB1 : 55376e7b4292SVikas Chaudhary QLA82XX_CAM_RAM_DB2); 5538b37ca418SVikas Chaudhary } else if (is_qla8032(ha) || is_qla8042(ha)) { 55396e7b4292SVikas Chaudhary ha->qla4_83xx_reg = (struct device_reg_83xx __iomem *) 55406e7b4292SVikas Chaudhary ((uint8_t *)ha->nx_pcibase); 55416e7b4292SVikas Chaudhary } 5542f4f5df23SVikas Chaudhary 5543f4f5df23SVikas Chaudhary db_base = pci_resource_start(pdev, 4); /* doorbell is on bar 4 */ 5544f4f5df23SVikas Chaudhary db_len = pci_resource_len(pdev, 4); 5545f4f5df23SVikas Chaudhary 55462657c800SShyam Sundar return 0; 5547f4f5df23SVikas Chaudhary iospace_error_exit: 5548f4f5df23SVikas Chaudhary return -ENOMEM; 5549afaf5a2dSDavid Somayajulu } 5550afaf5a2dSDavid Somayajulu 5551afaf5a2dSDavid Somayajulu /*** 5552afaf5a2dSDavid Somayajulu * qla4xxx_iospace_config - maps registers 5553afaf5a2dSDavid Somayajulu * @ha: pointer to adapter structure 5554afaf5a2dSDavid Somayajulu * 5555afaf5a2dSDavid Somayajulu * This routines maps HBA's registers from the pci address space 5556afaf5a2dSDavid Somayajulu * into the kernel virtual address space for memory mapped i/o. 5557afaf5a2dSDavid Somayajulu **/ 5558f4f5df23SVikas Chaudhary int qla4xxx_iospace_config(struct scsi_qla_host *ha) 5559afaf5a2dSDavid Somayajulu { 5560afaf5a2dSDavid Somayajulu unsigned long pio, pio_len, pio_flags; 5561afaf5a2dSDavid Somayajulu unsigned long mmio, mmio_len, mmio_flags; 5562afaf5a2dSDavid Somayajulu 5563afaf5a2dSDavid Somayajulu pio = pci_resource_start(ha->pdev, 0); 5564afaf5a2dSDavid Somayajulu pio_len = pci_resource_len(ha->pdev, 0); 5565afaf5a2dSDavid Somayajulu pio_flags = pci_resource_flags(ha->pdev, 0); 5566afaf5a2dSDavid Somayajulu if (pio_flags & IORESOURCE_IO) { 5567afaf5a2dSDavid Somayajulu if (pio_len < MIN_IOBASE_LEN) { 5568c2660df3SVikas Chaudhary ql4_printk(KERN_WARNING, ha, 5569afaf5a2dSDavid Somayajulu "Invalid PCI I/O region size\n"); 5570afaf5a2dSDavid Somayajulu pio = 0; 5571afaf5a2dSDavid Somayajulu } 5572afaf5a2dSDavid Somayajulu } else { 5573c2660df3SVikas Chaudhary ql4_printk(KERN_WARNING, ha, "region #0 not a PIO resource\n"); 5574afaf5a2dSDavid Somayajulu pio = 0; 5575afaf5a2dSDavid Somayajulu } 5576afaf5a2dSDavid Somayajulu 5577afaf5a2dSDavid Somayajulu /* Use MMIO operations for all accesses. */ 5578afaf5a2dSDavid Somayajulu mmio = pci_resource_start(ha->pdev, 1); 5579afaf5a2dSDavid Somayajulu mmio_len = pci_resource_len(ha->pdev, 1); 5580afaf5a2dSDavid Somayajulu mmio_flags = pci_resource_flags(ha->pdev, 1); 5581afaf5a2dSDavid Somayajulu 5582afaf5a2dSDavid Somayajulu if (!(mmio_flags & IORESOURCE_MEM)) { 5583c2660df3SVikas Chaudhary ql4_printk(KERN_ERR, ha, 5584afaf5a2dSDavid Somayajulu "region #0 not an MMIO resource, aborting\n"); 5585afaf5a2dSDavid Somayajulu 5586afaf5a2dSDavid Somayajulu goto iospace_error_exit; 5587afaf5a2dSDavid Somayajulu } 5588c2660df3SVikas Chaudhary 5589afaf5a2dSDavid Somayajulu if (mmio_len < MIN_IOBASE_LEN) { 5590c2660df3SVikas Chaudhary ql4_printk(KERN_ERR, ha, 5591afaf5a2dSDavid Somayajulu "Invalid PCI mem region size, aborting\n"); 5592afaf5a2dSDavid Somayajulu goto iospace_error_exit; 5593afaf5a2dSDavid Somayajulu } 5594afaf5a2dSDavid Somayajulu 5595afaf5a2dSDavid Somayajulu if (pci_request_regions(ha->pdev, DRIVER_NAME)) { 5596c2660df3SVikas Chaudhary ql4_printk(KERN_WARNING, ha, 5597afaf5a2dSDavid Somayajulu "Failed to reserve PIO/MMIO regions\n"); 5598afaf5a2dSDavid Somayajulu 5599afaf5a2dSDavid Somayajulu goto iospace_error_exit; 5600afaf5a2dSDavid Somayajulu } 5601afaf5a2dSDavid Somayajulu 5602afaf5a2dSDavid Somayajulu ha->pio_address = pio; 5603afaf5a2dSDavid Somayajulu ha->pio_length = pio_len; 5604afaf5a2dSDavid Somayajulu ha->reg = ioremap(mmio, MIN_IOBASE_LEN); 5605afaf5a2dSDavid Somayajulu if (!ha->reg) { 5606c2660df3SVikas Chaudhary ql4_printk(KERN_ERR, ha, 5607afaf5a2dSDavid Somayajulu "cannot remap MMIO, aborting\n"); 5608afaf5a2dSDavid Somayajulu 5609afaf5a2dSDavid Somayajulu goto iospace_error_exit; 5610afaf5a2dSDavid Somayajulu } 5611afaf5a2dSDavid Somayajulu 5612afaf5a2dSDavid Somayajulu return 0; 5613afaf5a2dSDavid Somayajulu 5614afaf5a2dSDavid Somayajulu iospace_error_exit: 5615afaf5a2dSDavid Somayajulu return -ENOMEM; 5616afaf5a2dSDavid Somayajulu } 5617afaf5a2dSDavid Somayajulu 5618f4f5df23SVikas Chaudhary static struct isp_operations qla4xxx_isp_ops = { 5619f4f5df23SVikas Chaudhary .iospace_config = qla4xxx_iospace_config, 5620f4f5df23SVikas Chaudhary .pci_config = qla4xxx_pci_config, 5621f4f5df23SVikas Chaudhary .disable_intrs = qla4xxx_disable_intrs, 5622f4f5df23SVikas Chaudhary .enable_intrs = qla4xxx_enable_intrs, 5623f4f5df23SVikas Chaudhary .start_firmware = qla4xxx_start_firmware, 5624f4f5df23SVikas Chaudhary .intr_handler = qla4xxx_intr_handler, 5625f4f5df23SVikas Chaudhary .interrupt_service_routine = qla4xxx_interrupt_service_routine, 5626f4f5df23SVikas Chaudhary .reset_chip = qla4xxx_soft_reset, 5627f4f5df23SVikas Chaudhary .reset_firmware = qla4xxx_hw_reset, 5628f4f5df23SVikas Chaudhary .queue_iocb = qla4xxx_queue_iocb, 5629f4f5df23SVikas Chaudhary .complete_iocb = qla4xxx_complete_iocb, 5630f4f5df23SVikas Chaudhary .rd_shdw_req_q_out = qla4xxx_rd_shdw_req_q_out, 5631f4f5df23SVikas Chaudhary .rd_shdw_rsp_q_in = qla4xxx_rd_shdw_rsp_q_in, 5632f4f5df23SVikas Chaudhary .get_sys_info = qla4xxx_get_sys_info, 563333693c7aSVikas Chaudhary .queue_mailbox_command = qla4xxx_queue_mbox_cmd, 563433693c7aSVikas Chaudhary .process_mailbox_interrupt = qla4xxx_process_mbox_intr, 5635f4f5df23SVikas Chaudhary }; 5636f4f5df23SVikas Chaudhary 56377664a1fdSVikas Chaudhary static struct isp_operations qla4_82xx_isp_ops = { 5638f4f5df23SVikas Chaudhary .iospace_config = qla4_8xxx_iospace_config, 5639f4f5df23SVikas Chaudhary .pci_config = qla4_8xxx_pci_config, 5640f8086f4fSVikas Chaudhary .disable_intrs = qla4_82xx_disable_intrs, 5641f8086f4fSVikas Chaudhary .enable_intrs = qla4_82xx_enable_intrs, 5642f4f5df23SVikas Chaudhary .start_firmware = qla4_8xxx_load_risc, 564333693c7aSVikas Chaudhary .restart_firmware = qla4_82xx_try_start_fw, 5644f8086f4fSVikas Chaudhary .intr_handler = qla4_82xx_intr_handler, 5645f8086f4fSVikas Chaudhary .interrupt_service_routine = qla4_82xx_interrupt_service_routine, 564633693c7aSVikas Chaudhary .need_reset = qla4_8xxx_need_reset, 5647f8086f4fSVikas Chaudhary .reset_chip = qla4_82xx_isp_reset, 5648f4f5df23SVikas Chaudhary .reset_firmware = qla4_8xxx_stop_firmware, 5649f8086f4fSVikas Chaudhary .queue_iocb = qla4_82xx_queue_iocb, 5650f8086f4fSVikas Chaudhary .complete_iocb = qla4_82xx_complete_iocb, 5651f8086f4fSVikas Chaudhary .rd_shdw_req_q_out = qla4_82xx_rd_shdw_req_q_out, 5652f8086f4fSVikas Chaudhary .rd_shdw_rsp_q_in = qla4_82xx_rd_shdw_rsp_q_in, 5653f4f5df23SVikas Chaudhary .get_sys_info = qla4_8xxx_get_sys_info, 565433693c7aSVikas Chaudhary .rd_reg_direct = qla4_82xx_rd_32, 565533693c7aSVikas Chaudhary .wr_reg_direct = qla4_82xx_wr_32, 565633693c7aSVikas Chaudhary .rd_reg_indirect = qla4_82xx_md_rd_32, 565733693c7aSVikas Chaudhary .wr_reg_indirect = qla4_82xx_md_wr_32, 565833693c7aSVikas Chaudhary .idc_lock = qla4_82xx_idc_lock, 565933693c7aSVikas Chaudhary .idc_unlock = qla4_82xx_idc_unlock, 566033693c7aSVikas Chaudhary .rom_lock_recovery = qla4_82xx_rom_lock_recovery, 566133693c7aSVikas Chaudhary .queue_mailbox_command = qla4_82xx_queue_mbox_cmd, 566233693c7aSVikas Chaudhary .process_mailbox_interrupt = qla4_82xx_process_mbox_intr, 5663f4f5df23SVikas Chaudhary }; 5664f4f5df23SVikas Chaudhary 56656e7b4292SVikas Chaudhary static struct isp_operations qla4_83xx_isp_ops = { 56666e7b4292SVikas Chaudhary .iospace_config = qla4_8xxx_iospace_config, 56676e7b4292SVikas Chaudhary .pci_config = qla4_8xxx_pci_config, 56686e7b4292SVikas Chaudhary .disable_intrs = qla4_83xx_disable_intrs, 56696e7b4292SVikas Chaudhary .enable_intrs = qla4_83xx_enable_intrs, 56706e7b4292SVikas Chaudhary .start_firmware = qla4_8xxx_load_risc, 56716e7b4292SVikas Chaudhary .restart_firmware = qla4_83xx_start_firmware, 56726e7b4292SVikas Chaudhary .intr_handler = qla4_83xx_intr_handler, 56736e7b4292SVikas Chaudhary .interrupt_service_routine = qla4_83xx_interrupt_service_routine, 56746e7b4292SVikas Chaudhary .need_reset = qla4_8xxx_need_reset, 56756e7b4292SVikas Chaudhary .reset_chip = qla4_83xx_isp_reset, 56766e7b4292SVikas Chaudhary .reset_firmware = qla4_8xxx_stop_firmware, 56776e7b4292SVikas Chaudhary .queue_iocb = qla4_83xx_queue_iocb, 56786e7b4292SVikas Chaudhary .complete_iocb = qla4_83xx_complete_iocb, 5679a24058f9STej Parkash .rd_shdw_req_q_out = qla4xxx_rd_shdw_req_q_out, 5680a24058f9STej Parkash .rd_shdw_rsp_q_in = qla4xxx_rd_shdw_rsp_q_in, 56816e7b4292SVikas Chaudhary .get_sys_info = qla4_8xxx_get_sys_info, 56826e7b4292SVikas Chaudhary .rd_reg_direct = qla4_83xx_rd_reg, 56836e7b4292SVikas Chaudhary .wr_reg_direct = qla4_83xx_wr_reg, 56846e7b4292SVikas Chaudhary .rd_reg_indirect = qla4_83xx_rd_reg_indirect, 56856e7b4292SVikas Chaudhary .wr_reg_indirect = qla4_83xx_wr_reg_indirect, 56866e7b4292SVikas Chaudhary .idc_lock = qla4_83xx_drv_lock, 56876e7b4292SVikas Chaudhary .idc_unlock = qla4_83xx_drv_unlock, 56886e7b4292SVikas Chaudhary .rom_lock_recovery = qla4_83xx_rom_lock_recovery, 56896e7b4292SVikas Chaudhary .queue_mailbox_command = qla4_83xx_queue_mbox_cmd, 56906e7b4292SVikas Chaudhary .process_mailbox_interrupt = qla4_83xx_process_mbox_intr, 5691f4f5df23SVikas Chaudhary }; 5692f4f5df23SVikas Chaudhary 5693f4f5df23SVikas Chaudhary uint16_t qla4xxx_rd_shdw_req_q_out(struct scsi_qla_host *ha) 5694f4f5df23SVikas Chaudhary { 5695f4f5df23SVikas Chaudhary return (uint16_t)le32_to_cpu(ha->shadow_regs->req_q_out); 5696f4f5df23SVikas Chaudhary } 5697f4f5df23SVikas Chaudhary 5698f8086f4fSVikas Chaudhary uint16_t qla4_82xx_rd_shdw_req_q_out(struct scsi_qla_host *ha) 5699f4f5df23SVikas Chaudhary { 57007664a1fdSVikas Chaudhary return (uint16_t)le32_to_cpu(readl(&ha->qla4_82xx_reg->req_q_out)); 5701f4f5df23SVikas Chaudhary } 5702f4f5df23SVikas Chaudhary 5703f4f5df23SVikas Chaudhary uint16_t qla4xxx_rd_shdw_rsp_q_in(struct scsi_qla_host *ha) 5704f4f5df23SVikas Chaudhary { 5705f4f5df23SVikas Chaudhary return (uint16_t)le32_to_cpu(ha->shadow_regs->rsp_q_in); 5706f4f5df23SVikas Chaudhary } 5707f4f5df23SVikas Chaudhary 5708f8086f4fSVikas Chaudhary uint16_t qla4_82xx_rd_shdw_rsp_q_in(struct scsi_qla_host *ha) 5709f4f5df23SVikas Chaudhary { 57107664a1fdSVikas Chaudhary return (uint16_t)le32_to_cpu(readl(&ha->qla4_82xx_reg->rsp_q_in)); 5711f4f5df23SVikas Chaudhary } 5712f4f5df23SVikas Chaudhary 57132a991c21SManish Rangankar static ssize_t qla4xxx_show_boot_eth_info(void *data, int type, char *buf) 57142a991c21SManish Rangankar { 57152a991c21SManish Rangankar struct scsi_qla_host *ha = data; 57162a991c21SManish Rangankar char *str = buf; 57172a991c21SManish Rangankar int rc; 57182a991c21SManish Rangankar 57192a991c21SManish Rangankar switch (type) { 57202a991c21SManish Rangankar case ISCSI_BOOT_ETH_FLAGS: 57212a991c21SManish Rangankar rc = sprintf(str, "%d\n", SYSFS_FLAG_FW_SEL_BOOT); 57222a991c21SManish Rangankar break; 57232a991c21SManish Rangankar case ISCSI_BOOT_ETH_INDEX: 57242a991c21SManish Rangankar rc = sprintf(str, "0\n"); 57252a991c21SManish Rangankar break; 57262a991c21SManish Rangankar case ISCSI_BOOT_ETH_MAC: 57272a991c21SManish Rangankar rc = sysfs_format_mac(str, ha->my_mac, 57282a991c21SManish Rangankar MAC_ADDR_LEN); 57292a991c21SManish Rangankar break; 57302a991c21SManish Rangankar default: 57312a991c21SManish Rangankar rc = -ENOSYS; 57322a991c21SManish Rangankar break; 57332a991c21SManish Rangankar } 57342a991c21SManish Rangankar return rc; 57352a991c21SManish Rangankar } 57362a991c21SManish Rangankar 5737587a1f16SAl Viro static umode_t qla4xxx_eth_get_attr_visibility(void *data, int type) 57382a991c21SManish Rangankar { 57392a991c21SManish Rangankar int rc; 57402a991c21SManish Rangankar 57412a991c21SManish Rangankar switch (type) { 57422a991c21SManish Rangankar case ISCSI_BOOT_ETH_FLAGS: 57432a991c21SManish Rangankar case ISCSI_BOOT_ETH_MAC: 57442a991c21SManish Rangankar case ISCSI_BOOT_ETH_INDEX: 57452a991c21SManish Rangankar rc = S_IRUGO; 57462a991c21SManish Rangankar break; 57472a991c21SManish Rangankar default: 57482a991c21SManish Rangankar rc = 0; 57492a991c21SManish Rangankar break; 57502a991c21SManish Rangankar } 57512a991c21SManish Rangankar return rc; 57522a991c21SManish Rangankar } 57532a991c21SManish Rangankar 57542a991c21SManish Rangankar static ssize_t qla4xxx_show_boot_ini_info(void *data, int type, char *buf) 57552a991c21SManish Rangankar { 57562a991c21SManish Rangankar struct scsi_qla_host *ha = data; 57572a991c21SManish Rangankar char *str = buf; 57582a991c21SManish Rangankar int rc; 57592a991c21SManish Rangankar 57602a991c21SManish Rangankar switch (type) { 57612a991c21SManish Rangankar case ISCSI_BOOT_INI_INITIATOR_NAME: 57622a991c21SManish Rangankar rc = sprintf(str, "%s\n", ha->name_string); 57632a991c21SManish Rangankar break; 57642a991c21SManish Rangankar default: 57652a991c21SManish Rangankar rc = -ENOSYS; 57662a991c21SManish Rangankar break; 57672a991c21SManish Rangankar } 57682a991c21SManish Rangankar return rc; 57692a991c21SManish Rangankar } 57702a991c21SManish Rangankar 5771587a1f16SAl Viro static umode_t qla4xxx_ini_get_attr_visibility(void *data, int type) 57722a991c21SManish Rangankar { 57732a991c21SManish Rangankar int rc; 57742a991c21SManish Rangankar 57752a991c21SManish Rangankar switch (type) { 57762a991c21SManish Rangankar case ISCSI_BOOT_INI_INITIATOR_NAME: 57772a991c21SManish Rangankar rc = S_IRUGO; 57782a991c21SManish Rangankar break; 57792a991c21SManish Rangankar default: 57802a991c21SManish Rangankar rc = 0; 57812a991c21SManish Rangankar break; 57822a991c21SManish Rangankar } 57832a991c21SManish Rangankar return rc; 57842a991c21SManish Rangankar } 57852a991c21SManish Rangankar 57862a991c21SManish Rangankar static ssize_t 57872a991c21SManish Rangankar qla4xxx_show_boot_tgt_info(struct ql4_boot_session_info *boot_sess, int type, 57882a991c21SManish Rangankar char *buf) 57892a991c21SManish Rangankar { 57902a991c21SManish Rangankar struct ql4_conn_info *boot_conn = &boot_sess->conn_list[0]; 57912a991c21SManish Rangankar char *str = buf; 57922a991c21SManish Rangankar int rc; 57932a991c21SManish Rangankar 57942a991c21SManish Rangankar switch (type) { 57952a991c21SManish Rangankar case ISCSI_BOOT_TGT_NAME: 57962a991c21SManish Rangankar rc = sprintf(buf, "%s\n", (char *)&boot_sess->target_name); 57972a991c21SManish Rangankar break; 57982a991c21SManish Rangankar case ISCSI_BOOT_TGT_IP_ADDR: 57992a991c21SManish Rangankar if (boot_sess->conn_list[0].dest_ipaddr.ip_type == 0x1) 58002a991c21SManish Rangankar rc = sprintf(buf, "%pI4\n", 58012a991c21SManish Rangankar &boot_conn->dest_ipaddr.ip_address); 58022a991c21SManish Rangankar else 58032a991c21SManish Rangankar rc = sprintf(str, "%pI6\n", 58042a991c21SManish Rangankar &boot_conn->dest_ipaddr.ip_address); 58052a991c21SManish Rangankar break; 58062a991c21SManish Rangankar case ISCSI_BOOT_TGT_PORT: 58072a991c21SManish Rangankar rc = sprintf(str, "%d\n", boot_conn->dest_port); 58082a991c21SManish Rangankar break; 58092a991c21SManish Rangankar case ISCSI_BOOT_TGT_CHAP_NAME: 58102a991c21SManish Rangankar rc = sprintf(str, "%.*s\n", 58112a991c21SManish Rangankar boot_conn->chap.target_chap_name_length, 58122a991c21SManish Rangankar (char *)&boot_conn->chap.target_chap_name); 58132a991c21SManish Rangankar break; 58142a991c21SManish Rangankar case ISCSI_BOOT_TGT_CHAP_SECRET: 58152a991c21SManish Rangankar rc = sprintf(str, "%.*s\n", 58162a991c21SManish Rangankar boot_conn->chap.target_secret_length, 58172a991c21SManish Rangankar (char *)&boot_conn->chap.target_secret); 58182a991c21SManish Rangankar break; 58192a991c21SManish Rangankar case ISCSI_BOOT_TGT_REV_CHAP_NAME: 58202a991c21SManish Rangankar rc = sprintf(str, "%.*s\n", 58212a991c21SManish Rangankar boot_conn->chap.intr_chap_name_length, 58222a991c21SManish Rangankar (char *)&boot_conn->chap.intr_chap_name); 58232a991c21SManish Rangankar break; 58242a991c21SManish Rangankar case ISCSI_BOOT_TGT_REV_CHAP_SECRET: 58252a991c21SManish Rangankar rc = sprintf(str, "%.*s\n", 58262a991c21SManish Rangankar boot_conn->chap.intr_secret_length, 58272a991c21SManish Rangankar (char *)&boot_conn->chap.intr_secret); 58282a991c21SManish Rangankar break; 58292a991c21SManish Rangankar case ISCSI_BOOT_TGT_FLAGS: 58302a991c21SManish Rangankar rc = sprintf(str, "%d\n", SYSFS_FLAG_FW_SEL_BOOT); 58312a991c21SManish Rangankar break; 58322a991c21SManish Rangankar case ISCSI_BOOT_TGT_NIC_ASSOC: 58332a991c21SManish Rangankar rc = sprintf(str, "0\n"); 58342a991c21SManish Rangankar break; 58352a991c21SManish Rangankar default: 58362a991c21SManish Rangankar rc = -ENOSYS; 58372a991c21SManish Rangankar break; 58382a991c21SManish Rangankar } 58392a991c21SManish Rangankar return rc; 58402a991c21SManish Rangankar } 58412a991c21SManish Rangankar 58422a991c21SManish Rangankar static ssize_t qla4xxx_show_boot_tgt_pri_info(void *data, int type, char *buf) 58432a991c21SManish Rangankar { 58442a991c21SManish Rangankar struct scsi_qla_host *ha = data; 58452a991c21SManish Rangankar struct ql4_boot_session_info *boot_sess = &(ha->boot_tgt.boot_pri_sess); 58462a991c21SManish Rangankar 58472a991c21SManish Rangankar return qla4xxx_show_boot_tgt_info(boot_sess, type, buf); 58482a991c21SManish Rangankar } 58492a991c21SManish Rangankar 58502a991c21SManish Rangankar static ssize_t qla4xxx_show_boot_tgt_sec_info(void *data, int type, char *buf) 58512a991c21SManish Rangankar { 58522a991c21SManish Rangankar struct scsi_qla_host *ha = data; 58532a991c21SManish Rangankar struct ql4_boot_session_info *boot_sess = &(ha->boot_tgt.boot_sec_sess); 58542a991c21SManish Rangankar 58552a991c21SManish Rangankar return qla4xxx_show_boot_tgt_info(boot_sess, type, buf); 58562a991c21SManish Rangankar } 58572a991c21SManish Rangankar 5858587a1f16SAl Viro static umode_t qla4xxx_tgt_get_attr_visibility(void *data, int type) 58592a991c21SManish Rangankar { 58602a991c21SManish Rangankar int rc; 58612a991c21SManish Rangankar 58622a991c21SManish Rangankar switch (type) { 58632a991c21SManish Rangankar case ISCSI_BOOT_TGT_NAME: 58642a991c21SManish Rangankar case ISCSI_BOOT_TGT_IP_ADDR: 58652a991c21SManish Rangankar case ISCSI_BOOT_TGT_PORT: 58662a991c21SManish Rangankar case ISCSI_BOOT_TGT_CHAP_NAME: 58672a991c21SManish Rangankar case ISCSI_BOOT_TGT_CHAP_SECRET: 58682a991c21SManish Rangankar case ISCSI_BOOT_TGT_REV_CHAP_NAME: 58692a991c21SManish Rangankar case ISCSI_BOOT_TGT_REV_CHAP_SECRET: 58702a991c21SManish Rangankar case ISCSI_BOOT_TGT_NIC_ASSOC: 58712a991c21SManish Rangankar case ISCSI_BOOT_TGT_FLAGS: 58722a991c21SManish Rangankar rc = S_IRUGO; 58732a991c21SManish Rangankar break; 58742a991c21SManish Rangankar default: 58752a991c21SManish Rangankar rc = 0; 58762a991c21SManish Rangankar break; 58772a991c21SManish Rangankar } 58782a991c21SManish Rangankar return rc; 58792a991c21SManish Rangankar } 58802a991c21SManish Rangankar 58812a991c21SManish Rangankar static void qla4xxx_boot_release(void *data) 58822a991c21SManish Rangankar { 58832a991c21SManish Rangankar struct scsi_qla_host *ha = data; 58842a991c21SManish Rangankar 58852a991c21SManish Rangankar scsi_host_put(ha->host); 58862a991c21SManish Rangankar } 58872a991c21SManish Rangankar 58882a991c21SManish Rangankar static int get_fw_boot_info(struct scsi_qla_host *ha, uint16_t ddb_index[]) 58892a991c21SManish Rangankar { 58902a991c21SManish Rangankar dma_addr_t buf_dma; 58912a991c21SManish Rangankar uint32_t addr, pri_addr, sec_addr; 58922a991c21SManish Rangankar uint32_t offset; 58932a991c21SManish Rangankar uint16_t func_num; 58942a991c21SManish Rangankar uint8_t val; 58952a991c21SManish Rangankar uint8_t *buf = NULL; 58962a991c21SManish Rangankar size_t size = 13 * sizeof(uint8_t); 58972a991c21SManish Rangankar int ret = QLA_SUCCESS; 58982a991c21SManish Rangankar 58992a991c21SManish Rangankar func_num = PCI_FUNC(ha->pdev->devfn); 59002a991c21SManish Rangankar 59010d5b36b8SManish Rangankar ql4_printk(KERN_INFO, ha, "%s: Get FW boot info for 0x%x func %d\n", 59020d5b36b8SManish Rangankar __func__, ha->pdev->device, func_num); 59032a991c21SManish Rangankar 59040d5b36b8SManish Rangankar if (is_qla40XX(ha)) { 59052a991c21SManish Rangankar if (func_num == 1) { 59062a991c21SManish Rangankar addr = NVRAM_PORT0_BOOT_MODE; 59072a991c21SManish Rangankar pri_addr = NVRAM_PORT0_BOOT_PRI_TGT; 59082a991c21SManish Rangankar sec_addr = NVRAM_PORT0_BOOT_SEC_TGT; 59092a991c21SManish Rangankar } else if (func_num == 3) { 59102a991c21SManish Rangankar addr = NVRAM_PORT1_BOOT_MODE; 59112a991c21SManish Rangankar pri_addr = NVRAM_PORT1_BOOT_PRI_TGT; 59122a991c21SManish Rangankar sec_addr = NVRAM_PORT1_BOOT_SEC_TGT; 59132a991c21SManish Rangankar } else { 59142a991c21SManish Rangankar ret = QLA_ERROR; 59152a991c21SManish Rangankar goto exit_boot_info; 59162a991c21SManish Rangankar } 59172a991c21SManish Rangankar 59182a991c21SManish Rangankar /* Check Boot Mode */ 59192a991c21SManish Rangankar val = rd_nvram_byte(ha, addr); 59202a991c21SManish Rangankar if (!(val & 0x07)) { 5921e8fb00e0SManish Rangankar DEBUG2(ql4_printk(KERN_INFO, ha, "%s: Adapter boot " 5922e8fb00e0SManish Rangankar "options : 0x%x\n", __func__, val)); 59232a991c21SManish Rangankar ret = QLA_ERROR; 59242a991c21SManish Rangankar goto exit_boot_info; 59252a991c21SManish Rangankar } 59262a991c21SManish Rangankar 59272a991c21SManish Rangankar /* get primary valid target index */ 59282a991c21SManish Rangankar val = rd_nvram_byte(ha, pri_addr); 59292a991c21SManish Rangankar if (val & BIT_7) 59302a991c21SManish Rangankar ddb_index[0] = (val & 0x7f); 59312a991c21SManish Rangankar 59322a991c21SManish Rangankar /* get secondary valid target index */ 59332a991c21SManish Rangankar val = rd_nvram_byte(ha, sec_addr); 59342a991c21SManish Rangankar if (val & BIT_7) 59352a991c21SManish Rangankar ddb_index[1] = (val & 0x7f); 59362a991c21SManish Rangankar 59373e788fb1SVikas Chaudhary } else if (is_qla80XX(ha)) { 59382a991c21SManish Rangankar buf = dma_alloc_coherent(&ha->pdev->dev, size, 59392a991c21SManish Rangankar &buf_dma, GFP_KERNEL); 59402a991c21SManish Rangankar if (!buf) { 59412a991c21SManish Rangankar DEBUG2(ql4_printk(KERN_ERR, ha, 59422a991c21SManish Rangankar "%s: Unable to allocate dma buffer\n", 59432a991c21SManish Rangankar __func__)); 59442a991c21SManish Rangankar ret = QLA_ERROR; 59452a991c21SManish Rangankar goto exit_boot_info; 59462a991c21SManish Rangankar } 59472a991c21SManish Rangankar 59482a991c21SManish Rangankar if (ha->port_num == 0) 59492a991c21SManish Rangankar offset = BOOT_PARAM_OFFSET_PORT0; 59502a991c21SManish Rangankar else if (ha->port_num == 1) 59512a991c21SManish Rangankar offset = BOOT_PARAM_OFFSET_PORT1; 59522a991c21SManish Rangankar else { 59532a991c21SManish Rangankar ret = QLA_ERROR; 59542a991c21SManish Rangankar goto exit_boot_info_free; 59552a991c21SManish Rangankar } 59562a991c21SManish Rangankar addr = FLASH_RAW_ACCESS_ADDR + (ha->hw.flt_iscsi_param * 4) + 59572a991c21SManish Rangankar offset; 59582a991c21SManish Rangankar if (qla4xxx_get_flash(ha, buf_dma, addr, 59592a991c21SManish Rangankar 13 * sizeof(uint8_t)) != QLA_SUCCESS) { 59602a991c21SManish Rangankar DEBUG2(ql4_printk(KERN_ERR, ha, "scsi%ld: %s: Get Flash" 59612a991c21SManish Rangankar " failed\n", ha->host_no, __func__)); 59622a991c21SManish Rangankar ret = QLA_ERROR; 59632a991c21SManish Rangankar goto exit_boot_info_free; 59642a991c21SManish Rangankar } 59652a991c21SManish Rangankar /* Check Boot Mode */ 59662a991c21SManish Rangankar if (!(buf[1] & 0x07)) { 5967e8fb00e0SManish Rangankar DEBUG2(ql4_printk(KERN_INFO, ha, "Firmware boot options" 5968e8fb00e0SManish Rangankar " : 0x%x\n", buf[1])); 59692a991c21SManish Rangankar ret = QLA_ERROR; 59702a991c21SManish Rangankar goto exit_boot_info_free; 59712a991c21SManish Rangankar } 59722a991c21SManish Rangankar 59732a991c21SManish Rangankar /* get primary valid target index */ 59742a991c21SManish Rangankar if (buf[2] & BIT_7) 59752a991c21SManish Rangankar ddb_index[0] = buf[2] & 0x7f; 59762a991c21SManish Rangankar 59772a991c21SManish Rangankar /* get secondary valid target index */ 59782a991c21SManish Rangankar if (buf[11] & BIT_7) 59792a991c21SManish Rangankar ddb_index[1] = buf[11] & 0x7f; 59802a991c21SManish Rangankar } else { 59812a991c21SManish Rangankar ret = QLA_ERROR; 59822a991c21SManish Rangankar goto exit_boot_info; 59832a991c21SManish Rangankar } 59842a991c21SManish Rangankar 59852a991c21SManish Rangankar DEBUG2(ql4_printk(KERN_INFO, ha, "%s: Primary target ID %d, Secondary" 59862a991c21SManish Rangankar " target ID %d\n", __func__, ddb_index[0], 59872a991c21SManish Rangankar ddb_index[1])); 59882a991c21SManish Rangankar 59892a991c21SManish Rangankar exit_boot_info_free: 59902a991c21SManish Rangankar dma_free_coherent(&ha->pdev->dev, size, buf, buf_dma); 59912a991c21SManish Rangankar exit_boot_info: 599220e835b4SLalit Chandivade ha->pri_ddb_idx = ddb_index[0]; 599320e835b4SLalit Chandivade ha->sec_ddb_idx = ddb_index[1]; 59942a991c21SManish Rangankar return ret; 59952a991c21SManish Rangankar } 59962a991c21SManish Rangankar 599728deb45cSLalit Chandivade /** 599828deb45cSLalit Chandivade * qla4xxx_get_bidi_chap - Get a BIDI CHAP user and password 599928deb45cSLalit Chandivade * @ha: pointer to adapter structure 600028deb45cSLalit Chandivade * @username: CHAP username to be returned 600128deb45cSLalit Chandivade * @password: CHAP password to be returned 600228deb45cSLalit Chandivade * 600328deb45cSLalit Chandivade * If a boot entry has BIDI CHAP enabled then we need to set the BIDI CHAP 600428deb45cSLalit Chandivade * user and password in the sysfs entry in /sys/firmware/iscsi_boot#/. 600528deb45cSLalit Chandivade * So from the CHAP cache find the first BIDI CHAP entry and set it 600628deb45cSLalit Chandivade * to the boot record in sysfs. 600728deb45cSLalit Chandivade **/ 600828deb45cSLalit Chandivade static int qla4xxx_get_bidi_chap(struct scsi_qla_host *ha, char *username, 600928deb45cSLalit Chandivade char *password) 601028deb45cSLalit Chandivade { 601128deb45cSLalit Chandivade int i, ret = -EINVAL; 601228deb45cSLalit Chandivade int max_chap_entries = 0; 601328deb45cSLalit Chandivade struct ql4_chap_table *chap_table; 601428deb45cSLalit Chandivade 6015d11b0ca3SVikas Chaudhary if (is_qla80XX(ha)) 601628deb45cSLalit Chandivade max_chap_entries = (ha->hw.flt_chap_size / 2) / 601728deb45cSLalit Chandivade sizeof(struct ql4_chap_table); 601828deb45cSLalit Chandivade else 601928deb45cSLalit Chandivade max_chap_entries = MAX_CHAP_ENTRIES_40XX; 602028deb45cSLalit Chandivade 602128deb45cSLalit Chandivade if (!ha->chap_list) { 602228deb45cSLalit Chandivade ql4_printk(KERN_ERR, ha, "Do not have CHAP table cache\n"); 602328deb45cSLalit Chandivade return ret; 602428deb45cSLalit Chandivade } 602528deb45cSLalit Chandivade 602628deb45cSLalit Chandivade mutex_lock(&ha->chap_sem); 602728deb45cSLalit Chandivade for (i = 0; i < max_chap_entries; i++) { 602828deb45cSLalit Chandivade chap_table = (struct ql4_chap_table *)ha->chap_list + i; 602928deb45cSLalit Chandivade if (chap_table->cookie != 603028deb45cSLalit Chandivade __constant_cpu_to_le16(CHAP_VALID_COOKIE)) { 603128deb45cSLalit Chandivade continue; 603228deb45cSLalit Chandivade } 603328deb45cSLalit Chandivade 603428deb45cSLalit Chandivade if (chap_table->flags & BIT_7) /* local */ 603528deb45cSLalit Chandivade continue; 603628deb45cSLalit Chandivade 603728deb45cSLalit Chandivade if (!(chap_table->flags & BIT_6)) /* Not BIDI */ 603828deb45cSLalit Chandivade continue; 603928deb45cSLalit Chandivade 6040bdbb9662SRickard Strandqvist strlcpy(password, chap_table->secret, QL4_CHAP_MAX_SECRET_LEN); 6041bdbb9662SRickard Strandqvist strlcpy(username, chap_table->name, QL4_CHAP_MAX_NAME_LEN); 604228deb45cSLalit Chandivade ret = 0; 604328deb45cSLalit Chandivade break; 604428deb45cSLalit Chandivade } 604528deb45cSLalit Chandivade mutex_unlock(&ha->chap_sem); 604628deb45cSLalit Chandivade 604728deb45cSLalit Chandivade return ret; 604828deb45cSLalit Chandivade } 604928deb45cSLalit Chandivade 605028deb45cSLalit Chandivade 60512a991c21SManish Rangankar static int qla4xxx_get_boot_target(struct scsi_qla_host *ha, 60522a991c21SManish Rangankar struct ql4_boot_session_info *boot_sess, 60532a991c21SManish Rangankar uint16_t ddb_index) 60542a991c21SManish Rangankar { 60552a991c21SManish Rangankar struct ql4_conn_info *boot_conn = &boot_sess->conn_list[0]; 60562a991c21SManish Rangankar struct dev_db_entry *fw_ddb_entry; 60572a991c21SManish Rangankar dma_addr_t fw_ddb_entry_dma; 60582a991c21SManish Rangankar uint16_t idx; 60592a991c21SManish Rangankar uint16_t options; 60602a991c21SManish Rangankar int ret = QLA_SUCCESS; 60612a991c21SManish Rangankar 60622a991c21SManish Rangankar fw_ddb_entry = dma_alloc_coherent(&ha->pdev->dev, sizeof(*fw_ddb_entry), 60632a991c21SManish Rangankar &fw_ddb_entry_dma, GFP_KERNEL); 60642a991c21SManish Rangankar if (!fw_ddb_entry) { 60652a991c21SManish Rangankar DEBUG2(ql4_printk(KERN_ERR, ha, 60662a991c21SManish Rangankar "%s: Unable to allocate dma buffer.\n", 60672a991c21SManish Rangankar __func__)); 60682a991c21SManish Rangankar ret = QLA_ERROR; 60692a991c21SManish Rangankar return ret; 60702a991c21SManish Rangankar } 60712a991c21SManish Rangankar 60722a991c21SManish Rangankar if (qla4xxx_bootdb_by_index(ha, fw_ddb_entry, 60732a991c21SManish Rangankar fw_ddb_entry_dma, ddb_index)) { 6074e8fb00e0SManish Rangankar DEBUG2(ql4_printk(KERN_INFO, ha, "%s: No Flash DDB found at " 6075e8fb00e0SManish Rangankar "index [%d]\n", __func__, ddb_index)); 60762a991c21SManish Rangankar ret = QLA_ERROR; 60772a991c21SManish Rangankar goto exit_boot_target; 60782a991c21SManish Rangankar } 60792a991c21SManish Rangankar 60802a991c21SManish Rangankar /* Update target name and IP from DDB */ 60812a991c21SManish Rangankar memcpy(boot_sess->target_name, fw_ddb_entry->iscsi_name, 60822a991c21SManish Rangankar min(sizeof(boot_sess->target_name), 60832a991c21SManish Rangankar sizeof(fw_ddb_entry->iscsi_name))); 60842a991c21SManish Rangankar 60852a991c21SManish Rangankar options = le16_to_cpu(fw_ddb_entry->options); 60862a991c21SManish Rangankar if (options & DDB_OPT_IPV6_DEVICE) { 60872a991c21SManish Rangankar memcpy(&boot_conn->dest_ipaddr.ip_address, 60882a991c21SManish Rangankar &fw_ddb_entry->ip_addr[0], IPv6_ADDR_LEN); 60892a991c21SManish Rangankar } else { 60902a991c21SManish Rangankar boot_conn->dest_ipaddr.ip_type = 0x1; 60912a991c21SManish Rangankar memcpy(&boot_conn->dest_ipaddr.ip_address, 60922a991c21SManish Rangankar &fw_ddb_entry->ip_addr[0], IP_ADDR_LEN); 60932a991c21SManish Rangankar } 60942a991c21SManish Rangankar 60952a991c21SManish Rangankar boot_conn->dest_port = le16_to_cpu(fw_ddb_entry->port); 60962a991c21SManish Rangankar 60972a991c21SManish Rangankar /* update chap information */ 60982a991c21SManish Rangankar idx = __le16_to_cpu(fw_ddb_entry->chap_tbl_idx); 60992a991c21SManish Rangankar 61002a991c21SManish Rangankar if (BIT_7 & le16_to_cpu(fw_ddb_entry->iscsi_options)) { 61012a991c21SManish Rangankar 61022a991c21SManish Rangankar DEBUG2(ql4_printk(KERN_INFO, ha, "Setting chap\n")); 61032a991c21SManish Rangankar 61042a991c21SManish Rangankar ret = qla4xxx_get_chap(ha, (char *)&boot_conn->chap. 61052a991c21SManish Rangankar target_chap_name, 61062a991c21SManish Rangankar (char *)&boot_conn->chap.target_secret, 61072a991c21SManish Rangankar idx); 61082a991c21SManish Rangankar if (ret) { 61092a991c21SManish Rangankar ql4_printk(KERN_ERR, ha, "Failed to set chap\n"); 61102a991c21SManish Rangankar ret = QLA_ERROR; 61112a991c21SManish Rangankar goto exit_boot_target; 61122a991c21SManish Rangankar } 61132a991c21SManish Rangankar 61142a991c21SManish Rangankar boot_conn->chap.target_chap_name_length = QL4_CHAP_MAX_NAME_LEN; 61152a991c21SManish Rangankar boot_conn->chap.target_secret_length = QL4_CHAP_MAX_SECRET_LEN; 61162a991c21SManish Rangankar } 61172a991c21SManish Rangankar 61182a991c21SManish Rangankar if (BIT_4 & le16_to_cpu(fw_ddb_entry->iscsi_options)) { 61192a991c21SManish Rangankar 61202a991c21SManish Rangankar DEBUG2(ql4_printk(KERN_INFO, ha, "Setting BIDI chap\n")); 61212a991c21SManish Rangankar 612228deb45cSLalit Chandivade ret = qla4xxx_get_bidi_chap(ha, 612328deb45cSLalit Chandivade (char *)&boot_conn->chap.intr_chap_name, 612428deb45cSLalit Chandivade (char *)&boot_conn->chap.intr_secret); 612528deb45cSLalit Chandivade 61262a991c21SManish Rangankar if (ret) { 61272a991c21SManish Rangankar ql4_printk(KERN_ERR, ha, "Failed to set BIDI chap\n"); 61282a991c21SManish Rangankar ret = QLA_ERROR; 61292a991c21SManish Rangankar goto exit_boot_target; 61302a991c21SManish Rangankar } 61312a991c21SManish Rangankar 61322a991c21SManish Rangankar boot_conn->chap.intr_chap_name_length = QL4_CHAP_MAX_NAME_LEN; 61332a991c21SManish Rangankar boot_conn->chap.intr_secret_length = QL4_CHAP_MAX_SECRET_LEN; 61342a991c21SManish Rangankar } 61352a991c21SManish Rangankar 61362a991c21SManish Rangankar exit_boot_target: 61372a991c21SManish Rangankar dma_free_coherent(&ha->pdev->dev, sizeof(*fw_ddb_entry), 61382a991c21SManish Rangankar fw_ddb_entry, fw_ddb_entry_dma); 61392a991c21SManish Rangankar return ret; 61402a991c21SManish Rangankar } 61412a991c21SManish Rangankar 61422a991c21SManish Rangankar static int qla4xxx_get_boot_info(struct scsi_qla_host *ha) 61432a991c21SManish Rangankar { 61442a991c21SManish Rangankar uint16_t ddb_index[2]; 61458de5b958SLalit Chandivade int ret = QLA_ERROR; 61468de5b958SLalit Chandivade int rval; 61472a991c21SManish Rangankar 61482a991c21SManish Rangankar memset(ddb_index, 0, sizeof(ddb_index)); 61498de5b958SLalit Chandivade ddb_index[0] = 0xffff; 61508de5b958SLalit Chandivade ddb_index[1] = 0xffff; 61512a991c21SManish Rangankar ret = get_fw_boot_info(ha, ddb_index); 61522a991c21SManish Rangankar if (ret != QLA_SUCCESS) { 6153e8fb00e0SManish Rangankar DEBUG2(ql4_printk(KERN_INFO, ha, 6154e8fb00e0SManish Rangankar "%s: No boot target configured.\n", __func__)); 61552a991c21SManish Rangankar return ret; 61562a991c21SManish Rangankar } 61572a991c21SManish Rangankar 615813483730SMike Christie if (ql4xdisablesysfsboot) 615913483730SMike Christie return QLA_SUCCESS; 616013483730SMike Christie 61618de5b958SLalit Chandivade if (ddb_index[0] == 0xffff) 61628de5b958SLalit Chandivade goto sec_target; 61638de5b958SLalit Chandivade 61648de5b958SLalit Chandivade rval = qla4xxx_get_boot_target(ha, &(ha->boot_tgt.boot_pri_sess), 61652a991c21SManish Rangankar ddb_index[0]); 61668de5b958SLalit Chandivade if (rval != QLA_SUCCESS) { 6167e8fb00e0SManish Rangankar DEBUG2(ql4_printk(KERN_INFO, ha, "%s: Primary boot target not " 6168e8fb00e0SManish Rangankar "configured\n", __func__)); 61698de5b958SLalit Chandivade } else 61708de5b958SLalit Chandivade ret = QLA_SUCCESS; 61712a991c21SManish Rangankar 61728de5b958SLalit Chandivade sec_target: 61738de5b958SLalit Chandivade if (ddb_index[1] == 0xffff) 61748de5b958SLalit Chandivade goto exit_get_boot_info; 61758de5b958SLalit Chandivade 61768de5b958SLalit Chandivade rval = qla4xxx_get_boot_target(ha, &(ha->boot_tgt.boot_sec_sess), 61772a991c21SManish Rangankar ddb_index[1]); 61788de5b958SLalit Chandivade if (rval != QLA_SUCCESS) { 6179e8fb00e0SManish Rangankar DEBUG2(ql4_printk(KERN_INFO, ha, "%s: Secondary boot target not" 6180e8fb00e0SManish Rangankar " configured\n", __func__)); 61818de5b958SLalit Chandivade } else 61828de5b958SLalit Chandivade ret = QLA_SUCCESS; 61838de5b958SLalit Chandivade 61848de5b958SLalit Chandivade exit_get_boot_info: 61852a991c21SManish Rangankar return ret; 61862a991c21SManish Rangankar } 61872a991c21SManish Rangankar 61882a991c21SManish Rangankar static int qla4xxx_setup_boot_info(struct scsi_qla_host *ha) 61892a991c21SManish Rangankar { 61902a991c21SManish Rangankar struct iscsi_boot_kobj *boot_kobj; 61912a991c21SManish Rangankar 61922a991c21SManish Rangankar if (qla4xxx_get_boot_info(ha) != QLA_SUCCESS) 619313483730SMike Christie return QLA_ERROR; 619413483730SMike Christie 619513483730SMike Christie if (ql4xdisablesysfsboot) { 619613483730SMike Christie ql4_printk(KERN_INFO, ha, 619713483730SMike Christie "%s: syfsboot disabled - driver will trigger login " 619813483730SMike Christie "and publish session for discovery .\n", __func__); 619913483730SMike Christie return QLA_SUCCESS; 620013483730SMike Christie } 620113483730SMike Christie 62022a991c21SManish Rangankar 62032a991c21SManish Rangankar ha->boot_kset = iscsi_boot_create_host_kset(ha->host->host_no); 62042a991c21SManish Rangankar if (!ha->boot_kset) 62052a991c21SManish Rangankar goto kset_free; 62062a991c21SManish Rangankar 62072a991c21SManish Rangankar if (!scsi_host_get(ha->host)) 62082a991c21SManish Rangankar goto kset_free; 62092a991c21SManish Rangankar boot_kobj = iscsi_boot_create_target(ha->boot_kset, 0, ha, 62102a991c21SManish Rangankar qla4xxx_show_boot_tgt_pri_info, 62112a991c21SManish Rangankar qla4xxx_tgt_get_attr_visibility, 62122a991c21SManish Rangankar qla4xxx_boot_release); 62132a991c21SManish Rangankar if (!boot_kobj) 62142a991c21SManish Rangankar goto put_host; 62152a991c21SManish Rangankar 62162a991c21SManish Rangankar if (!scsi_host_get(ha->host)) 62172a991c21SManish Rangankar goto kset_free; 62182a991c21SManish Rangankar boot_kobj = iscsi_boot_create_target(ha->boot_kset, 1, ha, 62192a991c21SManish Rangankar qla4xxx_show_boot_tgt_sec_info, 62202a991c21SManish Rangankar qla4xxx_tgt_get_attr_visibility, 62212a991c21SManish Rangankar qla4xxx_boot_release); 62222a991c21SManish Rangankar if (!boot_kobj) 62232a991c21SManish Rangankar goto put_host; 62242a991c21SManish Rangankar 62252a991c21SManish Rangankar if (!scsi_host_get(ha->host)) 62262a991c21SManish Rangankar goto kset_free; 62272a991c21SManish Rangankar boot_kobj = iscsi_boot_create_initiator(ha->boot_kset, 0, ha, 62282a991c21SManish Rangankar qla4xxx_show_boot_ini_info, 62292a991c21SManish Rangankar qla4xxx_ini_get_attr_visibility, 62302a991c21SManish Rangankar qla4xxx_boot_release); 62312a991c21SManish Rangankar if (!boot_kobj) 62322a991c21SManish Rangankar goto put_host; 62332a991c21SManish Rangankar 62342a991c21SManish Rangankar if (!scsi_host_get(ha->host)) 62352a991c21SManish Rangankar goto kset_free; 62362a991c21SManish Rangankar boot_kobj = iscsi_boot_create_ethernet(ha->boot_kset, 0, ha, 62372a991c21SManish Rangankar qla4xxx_show_boot_eth_info, 62382a991c21SManish Rangankar qla4xxx_eth_get_attr_visibility, 62392a991c21SManish Rangankar qla4xxx_boot_release); 62402a991c21SManish Rangankar if (!boot_kobj) 62412a991c21SManish Rangankar goto put_host; 62422a991c21SManish Rangankar 624313483730SMike Christie return QLA_SUCCESS; 62442a991c21SManish Rangankar 62452a991c21SManish Rangankar put_host: 62462a991c21SManish Rangankar scsi_host_put(ha->host); 62472a991c21SManish Rangankar kset_free: 62482a991c21SManish Rangankar iscsi_boot_destroy_kset(ha->boot_kset); 62492a991c21SManish Rangankar return -ENOMEM; 62502a991c21SManish Rangankar } 62512a991c21SManish Rangankar 62524549415aSLalit Chandivade 625313483730SMike Christie static void qla4xxx_get_param_ddb(struct ddb_entry *ddb_entry, 625413483730SMike Christie struct ql4_tuple_ddb *tddb) 625513483730SMike Christie { 625613483730SMike Christie struct scsi_qla_host *ha; 625713483730SMike Christie struct iscsi_cls_session *cls_sess; 625813483730SMike Christie struct iscsi_cls_conn *cls_conn; 625913483730SMike Christie struct iscsi_session *sess; 626013483730SMike Christie struct iscsi_conn *conn; 626113483730SMike Christie 626213483730SMike Christie DEBUG2(printk(KERN_INFO "Func: %s\n", __func__)); 626313483730SMike Christie ha = ddb_entry->ha; 626413483730SMike Christie cls_sess = ddb_entry->sess; 626513483730SMike Christie sess = cls_sess->dd_data; 626613483730SMike Christie cls_conn = ddb_entry->conn; 626713483730SMike Christie conn = cls_conn->dd_data; 626813483730SMike Christie 626913483730SMike Christie tddb->tpgt = sess->tpgt; 627013483730SMike Christie tddb->port = conn->persistent_port; 6271bdbb9662SRickard Strandqvist strlcpy(tddb->iscsi_name, sess->targetname, ISCSI_NAME_SIZE); 6272bdbb9662SRickard Strandqvist strlcpy(tddb->ip_addr, conn->persistent_address, DDB_IPADDR_LEN); 627313483730SMike Christie } 627413483730SMike Christie 627513483730SMike Christie static void qla4xxx_convert_param_ddb(struct dev_db_entry *fw_ddb_entry, 62761cb78d73SVikas Chaudhary struct ql4_tuple_ddb *tddb, 62771cb78d73SVikas Chaudhary uint8_t *flash_isid) 627813483730SMike Christie { 627913483730SMike Christie uint16_t options = 0; 628013483730SMike Christie 628113483730SMike Christie tddb->tpgt = le32_to_cpu(fw_ddb_entry->tgt_portal_grp); 628213483730SMike Christie memcpy(&tddb->iscsi_name[0], &fw_ddb_entry->iscsi_name[0], 628313483730SMike Christie min(sizeof(tddb->iscsi_name), sizeof(fw_ddb_entry->iscsi_name))); 628413483730SMike Christie 628513483730SMike Christie options = le16_to_cpu(fw_ddb_entry->options); 628613483730SMike Christie if (options & DDB_OPT_IPV6_DEVICE) 628713483730SMike Christie sprintf(tddb->ip_addr, "%pI6", fw_ddb_entry->ip_addr); 628813483730SMike Christie else 628913483730SMike Christie sprintf(tddb->ip_addr, "%pI4", fw_ddb_entry->ip_addr); 629013483730SMike Christie 629113483730SMike Christie tddb->port = le16_to_cpu(fw_ddb_entry->port); 62921cb78d73SVikas Chaudhary 62931cb78d73SVikas Chaudhary if (flash_isid == NULL) 62941cb78d73SVikas Chaudhary memcpy(&tddb->isid[0], &fw_ddb_entry->isid[0], 62951cb78d73SVikas Chaudhary sizeof(tddb->isid)); 62961cb78d73SVikas Chaudhary else 62971cb78d73SVikas Chaudhary memcpy(&tddb->isid[0], &flash_isid[0], sizeof(tddb->isid)); 629813483730SMike Christie } 629913483730SMike Christie 630013483730SMike Christie static int qla4xxx_compare_tuple_ddb(struct scsi_qla_host *ha, 630113483730SMike Christie struct ql4_tuple_ddb *old_tddb, 6302173269efSManish Rangankar struct ql4_tuple_ddb *new_tddb, 6303173269efSManish Rangankar uint8_t is_isid_compare) 630413483730SMike Christie { 630513483730SMike Christie if (strcmp(old_tddb->iscsi_name, new_tddb->iscsi_name)) 630613483730SMike Christie return QLA_ERROR; 630713483730SMike Christie 630813483730SMike Christie if (strcmp(old_tddb->ip_addr, new_tddb->ip_addr)) 630913483730SMike Christie return QLA_ERROR; 631013483730SMike Christie 631113483730SMike Christie if (old_tddb->port != new_tddb->port) 631213483730SMike Christie return QLA_ERROR; 631313483730SMike Christie 6314173269efSManish Rangankar /* For multi sessions, driver generates the ISID, so do not compare 631559e13d48SMasanari Iida * ISID in reset path since it would be a comparison between the 6316173269efSManish Rangankar * driver generated ISID and firmware generated ISID. This could 6317173269efSManish Rangankar * lead to adding duplicated DDBs in the list as driver generated 6318173269efSManish Rangankar * ISID would not match firmware generated ISID. 6319173269efSManish Rangankar */ 6320173269efSManish Rangankar if (is_isid_compare) { 6321d1d81bd0SOleksandr Khoshaba DEBUG2(ql4_printk(KERN_INFO, ha, 6322d1d81bd0SOleksandr Khoshaba "%s: old ISID [%pmR] New ISID [%pmR]\n", 6323d1d81bd0SOleksandr Khoshaba __func__, old_tddb->isid, new_tddb->isid)); 6324173269efSManish Rangankar 6325173269efSManish Rangankar if (memcmp(&old_tddb->isid[0], &new_tddb->isid[0], 6326173269efSManish Rangankar sizeof(old_tddb->isid))) 6327173269efSManish Rangankar return QLA_ERROR; 6328173269efSManish Rangankar } 6329173269efSManish Rangankar 633013483730SMike Christie DEBUG2(ql4_printk(KERN_INFO, ha, 633113483730SMike Christie "Match Found, fw[%d,%d,%s,%s], [%d,%d,%s,%s]", 633213483730SMike Christie old_tddb->port, old_tddb->tpgt, old_tddb->ip_addr, 633313483730SMike Christie old_tddb->iscsi_name, new_tddb->port, new_tddb->tpgt, 633413483730SMike Christie new_tddb->ip_addr, new_tddb->iscsi_name)); 633513483730SMike Christie 633613483730SMike Christie return QLA_SUCCESS; 633713483730SMike Christie } 633813483730SMike Christie 633913483730SMike Christie static int qla4xxx_is_session_exists(struct scsi_qla_host *ha, 6340ad8bd45eSManish Rangankar struct dev_db_entry *fw_ddb_entry, 6341ad8bd45eSManish Rangankar uint32_t *index) 634213483730SMike Christie { 634313483730SMike Christie struct ddb_entry *ddb_entry; 634413483730SMike Christie struct ql4_tuple_ddb *fw_tddb = NULL; 634513483730SMike Christie struct ql4_tuple_ddb *tmp_tddb = NULL; 634613483730SMike Christie int idx; 634713483730SMike Christie int ret = QLA_ERROR; 634813483730SMike Christie 634913483730SMike Christie fw_tddb = vzalloc(sizeof(*fw_tddb)); 635013483730SMike Christie if (!fw_tddb) { 635113483730SMike Christie DEBUG2(ql4_printk(KERN_WARNING, ha, 635213483730SMike Christie "Memory Allocation failed.\n")); 635313483730SMike Christie ret = QLA_SUCCESS; 635413483730SMike Christie goto exit_check; 635513483730SMike Christie } 635613483730SMike Christie 635713483730SMike Christie tmp_tddb = vzalloc(sizeof(*tmp_tddb)); 635813483730SMike Christie if (!tmp_tddb) { 635913483730SMike Christie DEBUG2(ql4_printk(KERN_WARNING, ha, 636013483730SMike Christie "Memory Allocation failed.\n")); 636113483730SMike Christie ret = QLA_SUCCESS; 636213483730SMike Christie goto exit_check; 636313483730SMike Christie } 636413483730SMike Christie 63651cb78d73SVikas Chaudhary qla4xxx_convert_param_ddb(fw_ddb_entry, fw_tddb, NULL); 636613483730SMike Christie 636713483730SMike Christie for (idx = 0; idx < MAX_DDB_ENTRIES; idx++) { 636813483730SMike Christie ddb_entry = qla4xxx_lookup_ddb_by_fw_index(ha, idx); 636913483730SMike Christie if (ddb_entry == NULL) 637013483730SMike Christie continue; 637113483730SMike Christie 637213483730SMike Christie qla4xxx_get_param_ddb(ddb_entry, tmp_tddb); 6373173269efSManish Rangankar if (!qla4xxx_compare_tuple_ddb(ha, fw_tddb, tmp_tddb, false)) { 637413483730SMike Christie ret = QLA_SUCCESS; /* found */ 6375ad8bd45eSManish Rangankar if (index != NULL) 6376ad8bd45eSManish Rangankar *index = idx; 637713483730SMike Christie goto exit_check; 637813483730SMike Christie } 637913483730SMike Christie } 638013483730SMike Christie 638113483730SMike Christie exit_check: 638213483730SMike Christie if (fw_tddb) 638313483730SMike Christie vfree(fw_tddb); 638413483730SMike Christie if (tmp_tddb) 638513483730SMike Christie vfree(tmp_tddb); 638613483730SMike Christie return ret; 638713483730SMike Christie } 638813483730SMike Christie 63891cb78d73SVikas Chaudhary /** 63901cb78d73SVikas Chaudhary * qla4xxx_check_existing_isid - check if target with same isid exist 63911cb78d73SVikas Chaudhary * in target list 63921cb78d73SVikas Chaudhary * @list_nt: list of target 63931cb78d73SVikas Chaudhary * @isid: isid to check 63941cb78d73SVikas Chaudhary * 63951cb78d73SVikas Chaudhary * This routine return QLA_SUCCESS if target with same isid exist 63961cb78d73SVikas Chaudhary **/ 63971cb78d73SVikas Chaudhary static int qla4xxx_check_existing_isid(struct list_head *list_nt, uint8_t *isid) 63981cb78d73SVikas Chaudhary { 63991cb78d73SVikas Chaudhary struct qla_ddb_index *nt_ddb_idx, *nt_ddb_idx_tmp; 64001cb78d73SVikas Chaudhary struct dev_db_entry *fw_ddb_entry; 64011cb78d73SVikas Chaudhary 64021cb78d73SVikas Chaudhary list_for_each_entry_safe(nt_ddb_idx, nt_ddb_idx_tmp, list_nt, list) { 64031cb78d73SVikas Chaudhary fw_ddb_entry = &nt_ddb_idx->fw_ddb; 64041cb78d73SVikas Chaudhary 64051cb78d73SVikas Chaudhary if (memcmp(&fw_ddb_entry->isid[0], &isid[0], 64061cb78d73SVikas Chaudhary sizeof(nt_ddb_idx->fw_ddb.isid)) == 0) { 64071cb78d73SVikas Chaudhary return QLA_SUCCESS; 64081cb78d73SVikas Chaudhary } 64091cb78d73SVikas Chaudhary } 64101cb78d73SVikas Chaudhary return QLA_ERROR; 64111cb78d73SVikas Chaudhary } 64121cb78d73SVikas Chaudhary 64131cb78d73SVikas Chaudhary /** 64141cb78d73SVikas Chaudhary * qla4xxx_update_isid - compare ddbs and updated isid 64151cb78d73SVikas Chaudhary * @ha: Pointer to host adapter structure. 64161cb78d73SVikas Chaudhary * @list_nt: list of nt target 64171cb78d73SVikas Chaudhary * @fw_ddb_entry: firmware ddb entry 64181cb78d73SVikas Chaudhary * 64191cb78d73SVikas Chaudhary * This routine update isid if ddbs have same iqn, same isid and 64201cb78d73SVikas Chaudhary * different IP addr. 64211cb78d73SVikas Chaudhary * Return QLA_SUCCESS if isid is updated. 64221cb78d73SVikas Chaudhary **/ 64231cb78d73SVikas Chaudhary static int qla4xxx_update_isid(struct scsi_qla_host *ha, 64241cb78d73SVikas Chaudhary struct list_head *list_nt, 64251cb78d73SVikas Chaudhary struct dev_db_entry *fw_ddb_entry) 64261cb78d73SVikas Chaudhary { 64271cb78d73SVikas Chaudhary uint8_t base_value, i; 64281cb78d73SVikas Chaudhary 64291cb78d73SVikas Chaudhary base_value = fw_ddb_entry->isid[1] & 0x1f; 64301cb78d73SVikas Chaudhary for (i = 0; i < 8; i++) { 64311cb78d73SVikas Chaudhary fw_ddb_entry->isid[1] = (base_value | (i << 5)); 64321cb78d73SVikas Chaudhary if (qla4xxx_check_existing_isid(list_nt, fw_ddb_entry->isid)) 64331cb78d73SVikas Chaudhary break; 64341cb78d73SVikas Chaudhary } 64351cb78d73SVikas Chaudhary 64361cb78d73SVikas Chaudhary if (!qla4xxx_check_existing_isid(list_nt, fw_ddb_entry->isid)) 64371cb78d73SVikas Chaudhary return QLA_ERROR; 64381cb78d73SVikas Chaudhary 64391cb78d73SVikas Chaudhary return QLA_SUCCESS; 64401cb78d73SVikas Chaudhary } 64411cb78d73SVikas Chaudhary 64421cb78d73SVikas Chaudhary /** 64431cb78d73SVikas Chaudhary * qla4xxx_should_update_isid - check if isid need to update 64441cb78d73SVikas Chaudhary * @ha: Pointer to host adapter structure. 64451cb78d73SVikas Chaudhary * @old_tddb: ddb tuple 64461cb78d73SVikas Chaudhary * @new_tddb: ddb tuple 64471cb78d73SVikas Chaudhary * 64481cb78d73SVikas Chaudhary * Return QLA_SUCCESS if different IP, different PORT, same iqn, 64491cb78d73SVikas Chaudhary * same isid 64501cb78d73SVikas Chaudhary **/ 64511cb78d73SVikas Chaudhary static int qla4xxx_should_update_isid(struct scsi_qla_host *ha, 64521cb78d73SVikas Chaudhary struct ql4_tuple_ddb *old_tddb, 64531cb78d73SVikas Chaudhary struct ql4_tuple_ddb *new_tddb) 64541cb78d73SVikas Chaudhary { 64551cb78d73SVikas Chaudhary if (strcmp(old_tddb->ip_addr, new_tddb->ip_addr) == 0) { 64561cb78d73SVikas Chaudhary /* Same ip */ 64571cb78d73SVikas Chaudhary if (old_tddb->port == new_tddb->port) 64581cb78d73SVikas Chaudhary return QLA_ERROR; 64591cb78d73SVikas Chaudhary } 64601cb78d73SVikas Chaudhary 64611cb78d73SVikas Chaudhary if (strcmp(old_tddb->iscsi_name, new_tddb->iscsi_name)) 64621cb78d73SVikas Chaudhary /* different iqn */ 64631cb78d73SVikas Chaudhary return QLA_ERROR; 64641cb78d73SVikas Chaudhary 64651cb78d73SVikas Chaudhary if (memcmp(&old_tddb->isid[0], &new_tddb->isid[0], 64661cb78d73SVikas Chaudhary sizeof(old_tddb->isid))) 64671cb78d73SVikas Chaudhary /* different isid */ 64681cb78d73SVikas Chaudhary return QLA_ERROR; 64691cb78d73SVikas Chaudhary 64701cb78d73SVikas Chaudhary return QLA_SUCCESS; 64711cb78d73SVikas Chaudhary } 64721cb78d73SVikas Chaudhary 64731cb78d73SVikas Chaudhary /** 64741cb78d73SVikas Chaudhary * qla4xxx_is_flash_ddb_exists - check if fw_ddb_entry already exists in list_nt 64751cb78d73SVikas Chaudhary * @ha: Pointer to host adapter structure. 64761cb78d73SVikas Chaudhary * @list_nt: list of nt target. 64771cb78d73SVikas Chaudhary * @fw_ddb_entry: firmware ddb entry. 64781cb78d73SVikas Chaudhary * 64791cb78d73SVikas Chaudhary * This routine check if fw_ddb_entry already exists in list_nt to avoid 64801cb78d73SVikas Chaudhary * duplicate ddb in list_nt. 64811cb78d73SVikas Chaudhary * Return QLA_SUCCESS if duplicate ddb exit in list_nl. 64821cb78d73SVikas Chaudhary * Note: This function also update isid of DDB if required. 64831cb78d73SVikas Chaudhary **/ 64841cb78d73SVikas Chaudhary 648513483730SMike Christie static int qla4xxx_is_flash_ddb_exists(struct scsi_qla_host *ha, 648613483730SMike Christie struct list_head *list_nt, 648713483730SMike Christie struct dev_db_entry *fw_ddb_entry) 648813483730SMike Christie { 648913483730SMike Christie struct qla_ddb_index *nt_ddb_idx, *nt_ddb_idx_tmp; 649013483730SMike Christie struct ql4_tuple_ddb *fw_tddb = NULL; 649113483730SMike Christie struct ql4_tuple_ddb *tmp_tddb = NULL; 64921cb78d73SVikas Chaudhary int rval, ret = QLA_ERROR; 649313483730SMike Christie 649413483730SMike Christie fw_tddb = vzalloc(sizeof(*fw_tddb)); 649513483730SMike Christie if (!fw_tddb) { 649613483730SMike Christie DEBUG2(ql4_printk(KERN_WARNING, ha, 649713483730SMike Christie "Memory Allocation failed.\n")); 649813483730SMike Christie ret = QLA_SUCCESS; 649913483730SMike Christie goto exit_check; 650013483730SMike Christie } 650113483730SMike Christie 650213483730SMike Christie tmp_tddb = vzalloc(sizeof(*tmp_tddb)); 650313483730SMike Christie if (!tmp_tddb) { 650413483730SMike Christie DEBUG2(ql4_printk(KERN_WARNING, ha, 650513483730SMike Christie "Memory Allocation failed.\n")); 650613483730SMike Christie ret = QLA_SUCCESS; 650713483730SMike Christie goto exit_check; 650813483730SMike Christie } 650913483730SMike Christie 65101cb78d73SVikas Chaudhary qla4xxx_convert_param_ddb(fw_ddb_entry, fw_tddb, NULL); 651113483730SMike Christie 651213483730SMike Christie list_for_each_entry_safe(nt_ddb_idx, nt_ddb_idx_tmp, list_nt, list) { 65131cb78d73SVikas Chaudhary qla4xxx_convert_param_ddb(&nt_ddb_idx->fw_ddb, tmp_tddb, 65141cb78d73SVikas Chaudhary nt_ddb_idx->flash_isid); 65151cb78d73SVikas Chaudhary ret = qla4xxx_compare_tuple_ddb(ha, fw_tddb, tmp_tddb, true); 65161cb78d73SVikas Chaudhary /* found duplicate ddb */ 65171cb78d73SVikas Chaudhary if (ret == QLA_SUCCESS) 65181cb78d73SVikas Chaudhary goto exit_check; 65191cb78d73SVikas Chaudhary } 65201cb78d73SVikas Chaudhary 65211cb78d73SVikas Chaudhary list_for_each_entry_safe(nt_ddb_idx, nt_ddb_idx_tmp, list_nt, list) { 65221cb78d73SVikas Chaudhary qla4xxx_convert_param_ddb(&nt_ddb_idx->fw_ddb, tmp_tddb, NULL); 65231cb78d73SVikas Chaudhary 65241cb78d73SVikas Chaudhary ret = qla4xxx_should_update_isid(ha, tmp_tddb, fw_tddb); 65251cb78d73SVikas Chaudhary if (ret == QLA_SUCCESS) { 65261cb78d73SVikas Chaudhary rval = qla4xxx_update_isid(ha, list_nt, fw_ddb_entry); 65271cb78d73SVikas Chaudhary if (rval == QLA_SUCCESS) 65281cb78d73SVikas Chaudhary ret = QLA_ERROR; 65291cb78d73SVikas Chaudhary else 65301cb78d73SVikas Chaudhary ret = QLA_SUCCESS; 65311cb78d73SVikas Chaudhary 653213483730SMike Christie goto exit_check; 653313483730SMike Christie } 653413483730SMike Christie } 653513483730SMike Christie 653613483730SMike Christie exit_check: 653713483730SMike Christie if (fw_tddb) 653813483730SMike Christie vfree(fw_tddb); 653913483730SMike Christie if (tmp_tddb) 654013483730SMike Christie vfree(tmp_tddb); 654113483730SMike Christie return ret; 654213483730SMike Christie } 654313483730SMike Christie 65444a4bc2e9SLalit Chandivade static void qla4xxx_free_ddb_list(struct list_head *list_ddb) 654513483730SMike Christie { 65464a4bc2e9SLalit Chandivade struct qla_ddb_index *ddb_idx, *ddb_idx_tmp; 654713483730SMike Christie 65484a4bc2e9SLalit Chandivade list_for_each_entry_safe(ddb_idx, ddb_idx_tmp, list_ddb, list) { 65494a4bc2e9SLalit Chandivade list_del_init(&ddb_idx->list); 65504a4bc2e9SLalit Chandivade vfree(ddb_idx); 655113483730SMike Christie } 655213483730SMike Christie } 655313483730SMike Christie 655413483730SMike Christie static struct iscsi_endpoint *qla4xxx_get_ep_fwdb(struct scsi_qla_host *ha, 655513483730SMike Christie struct dev_db_entry *fw_ddb_entry) 655613483730SMike Christie { 655713483730SMike Christie struct iscsi_endpoint *ep; 655813483730SMike Christie struct sockaddr_in *addr; 655913483730SMike Christie struct sockaddr_in6 *addr6; 65603dd4849cSManish Rangankar struct sockaddr *t_addr; 65613dd4849cSManish Rangankar struct sockaddr_storage *dst_addr; 656213483730SMike Christie char *ip; 656313483730SMike Christie 656413483730SMike Christie /* TODO: need to destroy on unload iscsi_endpoint*/ 656513483730SMike Christie dst_addr = vmalloc(sizeof(*dst_addr)); 656613483730SMike Christie if (!dst_addr) 656713483730SMike Christie return NULL; 656813483730SMike Christie 656913483730SMike Christie if (fw_ddb_entry->options & DDB_OPT_IPV6_DEVICE) { 65703dd4849cSManish Rangankar t_addr = (struct sockaddr *)dst_addr; 65713dd4849cSManish Rangankar t_addr->sa_family = AF_INET6; 657213483730SMike Christie addr6 = (struct sockaddr_in6 *)dst_addr; 657313483730SMike Christie ip = (char *)&addr6->sin6_addr; 657413483730SMike Christie memcpy(ip, fw_ddb_entry->ip_addr, IPv6_ADDR_LEN); 657513483730SMike Christie addr6->sin6_port = htons(le16_to_cpu(fw_ddb_entry->port)); 657613483730SMike Christie 657713483730SMike Christie } else { 65783dd4849cSManish Rangankar t_addr = (struct sockaddr *)dst_addr; 65793dd4849cSManish Rangankar t_addr->sa_family = AF_INET; 658013483730SMike Christie addr = (struct sockaddr_in *)dst_addr; 658113483730SMike Christie ip = (char *)&addr->sin_addr; 658213483730SMike Christie memcpy(ip, fw_ddb_entry->ip_addr, IP_ADDR_LEN); 658313483730SMike Christie addr->sin_port = htons(le16_to_cpu(fw_ddb_entry->port)); 658413483730SMike Christie } 658513483730SMike Christie 65863dd4849cSManish Rangankar ep = qla4xxx_ep_connect(ha->host, (struct sockaddr *)dst_addr, 0); 658713483730SMike Christie vfree(dst_addr); 658813483730SMike Christie return ep; 658913483730SMike Christie } 659013483730SMike Christie 659113483730SMike Christie static int qla4xxx_verify_boot_idx(struct scsi_qla_host *ha, uint16_t idx) 659213483730SMike Christie { 659313483730SMike Christie if (ql4xdisablesysfsboot) 659413483730SMike Christie return QLA_SUCCESS; 659513483730SMike Christie if (idx == ha->pri_ddb_idx || idx == ha->sec_ddb_idx) 659613483730SMike Christie return QLA_ERROR; 659713483730SMike Christie return QLA_SUCCESS; 659813483730SMike Christie } 659913483730SMike Christie 660013483730SMike Christie static void qla4xxx_setup_flash_ddb_entry(struct scsi_qla_host *ha, 66011dc8ed5dSManish Rangankar struct ddb_entry *ddb_entry, 66021dc8ed5dSManish Rangankar uint16_t idx) 660313483730SMike Christie { 6604c28eaacaSNilesh Javali uint16_t def_timeout; 6605c28eaacaSNilesh Javali 660613483730SMike Christie ddb_entry->ddb_type = FLASH_DDB; 660713483730SMike Christie ddb_entry->fw_ddb_index = INVALID_ENTRY; 660813483730SMike Christie ddb_entry->fw_ddb_device_state = DDB_DS_NO_CONNECTION_ACTIVE; 660913483730SMike Christie ddb_entry->ha = ha; 661013483730SMike Christie ddb_entry->unblock_sess = qla4xxx_unblock_flash_ddb; 661113483730SMike Christie ddb_entry->ddb_change = qla4xxx_flash_ddb_change; 6612946ac571SAdheer Chandravanshi ddb_entry->chap_tbl_idx = INVALID_ENTRY; 661313483730SMike Christie 661413483730SMike Christie atomic_set(&ddb_entry->retry_relogin_timer, INVALID_ENTRY); 661513483730SMike Christie atomic_set(&ddb_entry->relogin_timer, 0); 661613483730SMike Christie atomic_set(&ddb_entry->relogin_retry_count, 0); 6617c28eaacaSNilesh Javali def_timeout = le16_to_cpu(ddb_entry->fw_ddb_entry.def_timeout); 661813483730SMike Christie ddb_entry->default_relogin_timeout = 6619c28eaacaSNilesh Javali (def_timeout > LOGIN_TOV) && (def_timeout < LOGIN_TOV * 10) ? 6620c28eaacaSNilesh Javali def_timeout : LOGIN_TOV; 662113483730SMike Christie ddb_entry->default_time2wait = 662213483730SMike Christie le16_to_cpu(ddb_entry->fw_ddb_entry.iscsi_def_time2wait); 66231dc8ed5dSManish Rangankar 66241dc8ed5dSManish Rangankar if (ql4xdisablesysfsboot && 66251dc8ed5dSManish Rangankar (idx == ha->pri_ddb_idx || idx == ha->sec_ddb_idx)) 66261dc8ed5dSManish Rangankar set_bit(DF_BOOT_TGT, &ddb_entry->flags); 662713483730SMike Christie } 662813483730SMike Christie 662913483730SMike Christie static void qla4xxx_wait_for_ip_configuration(struct scsi_qla_host *ha) 663013483730SMike Christie { 663113483730SMike Christie uint32_t idx = 0; 663213483730SMike Christie uint32_t ip_idx[IP_ADDR_COUNT] = {0, 1, 2, 3}; /* 4 IP interfaces */ 663313483730SMike Christie uint32_t sts[MBOX_REG_COUNT]; 663413483730SMike Christie uint32_t ip_state; 663513483730SMike Christie unsigned long wtime; 663613483730SMike Christie int ret; 663713483730SMike Christie 663813483730SMike Christie wtime = jiffies + (HZ * IP_CONFIG_TOV); 663913483730SMike Christie do { 664013483730SMike Christie for (idx = 0; idx < IP_ADDR_COUNT; idx++) { 664113483730SMike Christie if (ip_idx[idx] == -1) 664213483730SMike Christie continue; 664313483730SMike Christie 664413483730SMike Christie ret = qla4xxx_get_ip_state(ha, 0, ip_idx[idx], sts); 664513483730SMike Christie 664613483730SMike Christie if (ret == QLA_ERROR) { 664713483730SMike Christie ip_idx[idx] = -1; 664813483730SMike Christie continue; 664913483730SMike Christie } 665013483730SMike Christie 665113483730SMike Christie ip_state = (sts[1] & IP_STATE_MASK) >> IP_STATE_SHIFT; 665213483730SMike Christie 665313483730SMike Christie DEBUG2(ql4_printk(KERN_INFO, ha, 665413483730SMike Christie "Waiting for IP state for idx = %d, state = 0x%x\n", 665513483730SMike Christie ip_idx[idx], ip_state)); 665613483730SMike Christie if (ip_state == IP_ADDRSTATE_UNCONFIGURED || 665713483730SMike Christie ip_state == IP_ADDRSTATE_INVALID || 665813483730SMike Christie ip_state == IP_ADDRSTATE_PREFERRED || 665913483730SMike Christie ip_state == IP_ADDRSTATE_DEPRICATED || 666013483730SMike Christie ip_state == IP_ADDRSTATE_DISABLING) 666113483730SMike Christie ip_idx[idx] = -1; 666213483730SMike Christie } 666313483730SMike Christie 666413483730SMike Christie /* Break if all IP states checked */ 666513483730SMike Christie if ((ip_idx[0] == -1) && 666613483730SMike Christie (ip_idx[1] == -1) && 666713483730SMike Christie (ip_idx[2] == -1) && 666813483730SMike Christie (ip_idx[3] == -1)) 666913483730SMike Christie break; 667013483730SMike Christie schedule_timeout_uninterruptible(HZ); 667113483730SMike Christie } while (time_after(wtime, jiffies)); 667213483730SMike Christie } 667313483730SMike Christie 6674ad8bd45eSManish Rangankar static int qla4xxx_cmp_fw_stentry(struct dev_db_entry *fw_ddb_entry, 6675ad8bd45eSManish Rangankar struct dev_db_entry *flash_ddb_entry) 6676ad8bd45eSManish Rangankar { 6677ad8bd45eSManish Rangankar uint16_t options = 0; 6678ad8bd45eSManish Rangankar size_t ip_len = IP_ADDR_LEN; 6679ad8bd45eSManish Rangankar 6680ad8bd45eSManish Rangankar options = le16_to_cpu(fw_ddb_entry->options); 6681ad8bd45eSManish Rangankar if (options & DDB_OPT_IPV6_DEVICE) 6682ad8bd45eSManish Rangankar ip_len = IPv6_ADDR_LEN; 6683ad8bd45eSManish Rangankar 6684ad8bd45eSManish Rangankar if (memcmp(fw_ddb_entry->ip_addr, flash_ddb_entry->ip_addr, ip_len)) 6685ad8bd45eSManish Rangankar return QLA_ERROR; 6686ad8bd45eSManish Rangankar 6687ad8bd45eSManish Rangankar if (memcmp(&fw_ddb_entry->isid[0], &flash_ddb_entry->isid[0], 6688ad8bd45eSManish Rangankar sizeof(fw_ddb_entry->isid))) 6689ad8bd45eSManish Rangankar return QLA_ERROR; 6690ad8bd45eSManish Rangankar 6691ad8bd45eSManish Rangankar if (memcmp(&fw_ddb_entry->port, &flash_ddb_entry->port, 6692ad8bd45eSManish Rangankar sizeof(fw_ddb_entry->port))) 6693ad8bd45eSManish Rangankar return QLA_ERROR; 6694ad8bd45eSManish Rangankar 6695ad8bd45eSManish Rangankar return QLA_SUCCESS; 6696ad8bd45eSManish Rangankar } 6697ad8bd45eSManish Rangankar 6698ad8bd45eSManish Rangankar static int qla4xxx_find_flash_st_idx(struct scsi_qla_host *ha, 6699ad8bd45eSManish Rangankar struct dev_db_entry *fw_ddb_entry, 6700ad8bd45eSManish Rangankar uint32_t fw_idx, uint32_t *flash_index) 6701ad8bd45eSManish Rangankar { 6702ad8bd45eSManish Rangankar struct dev_db_entry *flash_ddb_entry; 6703ad8bd45eSManish Rangankar dma_addr_t flash_ddb_entry_dma; 6704ad8bd45eSManish Rangankar uint32_t idx = 0; 6705ad8bd45eSManish Rangankar int max_ddbs; 6706ad8bd45eSManish Rangankar int ret = QLA_ERROR, status; 6707ad8bd45eSManish Rangankar 6708ad8bd45eSManish Rangankar max_ddbs = is_qla40XX(ha) ? MAX_DEV_DB_ENTRIES_40XX : 6709ad8bd45eSManish Rangankar MAX_DEV_DB_ENTRIES; 6710ad8bd45eSManish Rangankar 6711ad8bd45eSManish Rangankar flash_ddb_entry = dma_pool_alloc(ha->fw_ddb_dma_pool, GFP_KERNEL, 6712ad8bd45eSManish Rangankar &flash_ddb_entry_dma); 6713ad8bd45eSManish Rangankar if (flash_ddb_entry == NULL || fw_ddb_entry == NULL) { 6714ad8bd45eSManish Rangankar ql4_printk(KERN_ERR, ha, "Out of memory\n"); 6715ad8bd45eSManish Rangankar goto exit_find_st_idx; 6716ad8bd45eSManish Rangankar } 6717ad8bd45eSManish Rangankar 6718ad8bd45eSManish Rangankar status = qla4xxx_flashdb_by_index(ha, flash_ddb_entry, 6719ad8bd45eSManish Rangankar flash_ddb_entry_dma, fw_idx); 6720ad8bd45eSManish Rangankar if (status == QLA_SUCCESS) { 6721ad8bd45eSManish Rangankar status = qla4xxx_cmp_fw_stentry(fw_ddb_entry, flash_ddb_entry); 6722ad8bd45eSManish Rangankar if (status == QLA_SUCCESS) { 6723ad8bd45eSManish Rangankar *flash_index = fw_idx; 6724ad8bd45eSManish Rangankar ret = QLA_SUCCESS; 6725ad8bd45eSManish Rangankar goto exit_find_st_idx; 6726ad8bd45eSManish Rangankar } 6727ad8bd45eSManish Rangankar } 6728ad8bd45eSManish Rangankar 6729ad8bd45eSManish Rangankar for (idx = 0; idx < max_ddbs; idx++) { 6730ad8bd45eSManish Rangankar status = qla4xxx_flashdb_by_index(ha, flash_ddb_entry, 6731ad8bd45eSManish Rangankar flash_ddb_entry_dma, idx); 6732ad8bd45eSManish Rangankar if (status == QLA_ERROR) 6733ad8bd45eSManish Rangankar continue; 6734ad8bd45eSManish Rangankar 6735ad8bd45eSManish Rangankar status = qla4xxx_cmp_fw_stentry(fw_ddb_entry, flash_ddb_entry); 6736ad8bd45eSManish Rangankar if (status == QLA_SUCCESS) { 6737ad8bd45eSManish Rangankar *flash_index = idx; 6738ad8bd45eSManish Rangankar ret = QLA_SUCCESS; 6739ad8bd45eSManish Rangankar goto exit_find_st_idx; 6740ad8bd45eSManish Rangankar } 6741ad8bd45eSManish Rangankar } 6742ad8bd45eSManish Rangankar 6743ad8bd45eSManish Rangankar if (idx == max_ddbs) 6744ad8bd45eSManish Rangankar ql4_printk(KERN_ERR, ha, "Failed to find ST [%d] in flash\n", 6745ad8bd45eSManish Rangankar fw_idx); 6746ad8bd45eSManish Rangankar 6747ad8bd45eSManish Rangankar exit_find_st_idx: 6748ad8bd45eSManish Rangankar if (flash_ddb_entry) 6749ad8bd45eSManish Rangankar dma_pool_free(ha->fw_ddb_dma_pool, flash_ddb_entry, 6750ad8bd45eSManish Rangankar flash_ddb_entry_dma); 6751ad8bd45eSManish Rangankar 6752ad8bd45eSManish Rangankar return ret; 6753ad8bd45eSManish Rangankar } 6754ad8bd45eSManish Rangankar 67554a4bc2e9SLalit Chandivade static void qla4xxx_build_st_list(struct scsi_qla_host *ha, 67564a4bc2e9SLalit Chandivade struct list_head *list_st) 675713483730SMike Christie { 67584a4bc2e9SLalit Chandivade struct qla_ddb_index *st_ddb_idx; 675913483730SMike Christie int max_ddbs; 67604a4bc2e9SLalit Chandivade int fw_idx_size; 67614a4bc2e9SLalit Chandivade struct dev_db_entry *fw_ddb_entry; 67624a4bc2e9SLalit Chandivade dma_addr_t fw_ddb_dma; 676313483730SMike Christie int ret; 676413483730SMike Christie uint32_t idx = 0, next_idx = 0; 676513483730SMike Christie uint32_t state = 0, conn_err = 0; 6766ad8bd45eSManish Rangankar uint32_t flash_index = -1; 67674a4bc2e9SLalit Chandivade uint16_t conn_id = 0; 676813483730SMike Christie 676913483730SMike Christie fw_ddb_entry = dma_pool_alloc(ha->fw_ddb_dma_pool, GFP_KERNEL, 677013483730SMike Christie &fw_ddb_dma); 677113483730SMike Christie if (fw_ddb_entry == NULL) { 677213483730SMike Christie DEBUG2(ql4_printk(KERN_ERR, ha, "Out of memory\n")); 67734a4bc2e9SLalit Chandivade goto exit_st_list; 677413483730SMike Christie } 677513483730SMike Christie 67764a4bc2e9SLalit Chandivade max_ddbs = is_qla40XX(ha) ? MAX_DEV_DB_ENTRIES_40XX : 67774a4bc2e9SLalit Chandivade MAX_DEV_DB_ENTRIES; 677813483730SMike Christie fw_idx_size = sizeof(struct qla_ddb_index); 677913483730SMike Christie 678013483730SMike Christie for (idx = 0; idx < max_ddbs; idx = next_idx) { 67814a4bc2e9SLalit Chandivade ret = qla4xxx_get_fwddb_entry(ha, idx, fw_ddb_entry, fw_ddb_dma, 67824a4bc2e9SLalit Chandivade NULL, &next_idx, &state, 67834a4bc2e9SLalit Chandivade &conn_err, NULL, &conn_id); 678413483730SMike Christie if (ret == QLA_ERROR) 678513483730SMike Christie break; 678613483730SMike Christie 6787981c982cSLalit Chandivade /* Ignore DDB if invalid state (unassigned) */ 6788981c982cSLalit Chandivade if (state == DDB_DS_UNASSIGNED) 6789981c982cSLalit Chandivade goto continue_next_st; 6790981c982cSLalit Chandivade 679113483730SMike Christie /* Check if ST, add to the list_st */ 679213483730SMike Christie if (strlen((char *) fw_ddb_entry->iscsi_name) != 0) 679313483730SMike Christie goto continue_next_st; 679413483730SMike Christie 679513483730SMike Christie st_ddb_idx = vzalloc(fw_idx_size); 679613483730SMike Christie if (!st_ddb_idx) 679713483730SMike Christie break; 679813483730SMike Christie 6799ad8bd45eSManish Rangankar ret = qla4xxx_find_flash_st_idx(ha, fw_ddb_entry, idx, 6800ad8bd45eSManish Rangankar &flash_index); 6801ad8bd45eSManish Rangankar if (ret == QLA_ERROR) { 6802ad8bd45eSManish Rangankar ql4_printk(KERN_ERR, ha, 6803ad8bd45eSManish Rangankar "No flash entry for ST at idx [%d]\n", idx); 6804ad8bd45eSManish Rangankar st_ddb_idx->flash_ddb_idx = idx; 6805ad8bd45eSManish Rangankar } else { 6806ad8bd45eSManish Rangankar ql4_printk(KERN_INFO, ha, 6807ad8bd45eSManish Rangankar "ST at idx [%d] is stored at flash [%d]\n", 6808ad8bd45eSManish Rangankar idx, flash_index); 6809ad8bd45eSManish Rangankar st_ddb_idx->flash_ddb_idx = flash_index; 6810ad8bd45eSManish Rangankar } 6811ad8bd45eSManish Rangankar 681213483730SMike Christie st_ddb_idx->fw_ddb_idx = idx; 681313483730SMike Christie 68144a4bc2e9SLalit Chandivade list_add_tail(&st_ddb_idx->list, list_st); 681513483730SMike Christie continue_next_st: 681613483730SMike Christie if (next_idx == 0) 681713483730SMike Christie break; 681813483730SMike Christie } 681913483730SMike Christie 68204a4bc2e9SLalit Chandivade exit_st_list: 68214a4bc2e9SLalit Chandivade if (fw_ddb_entry) 68224a4bc2e9SLalit Chandivade dma_pool_free(ha->fw_ddb_dma_pool, fw_ddb_entry, fw_ddb_dma); 68234a4bc2e9SLalit Chandivade } 68244a4bc2e9SLalit Chandivade 68254a4bc2e9SLalit Chandivade /** 68264a4bc2e9SLalit Chandivade * qla4xxx_remove_failed_ddb - Remove inactive or failed ddb from list 68274a4bc2e9SLalit Chandivade * @ha: pointer to adapter structure 68284a4bc2e9SLalit Chandivade * @list_ddb: List from which failed ddb to be removed 68294a4bc2e9SLalit Chandivade * 68304a4bc2e9SLalit Chandivade * Iterate over the list of DDBs and find and remove DDBs that are either in 68314a4bc2e9SLalit Chandivade * no connection active state or failed state 68324a4bc2e9SLalit Chandivade **/ 68334a4bc2e9SLalit Chandivade static void qla4xxx_remove_failed_ddb(struct scsi_qla_host *ha, 68344a4bc2e9SLalit Chandivade struct list_head *list_ddb) 68354a4bc2e9SLalit Chandivade { 68364a4bc2e9SLalit Chandivade struct qla_ddb_index *ddb_idx, *ddb_idx_tmp; 68374a4bc2e9SLalit Chandivade uint32_t next_idx = 0; 68384a4bc2e9SLalit Chandivade uint32_t state = 0, conn_err = 0; 68394a4bc2e9SLalit Chandivade int ret; 68404a4bc2e9SLalit Chandivade 68414a4bc2e9SLalit Chandivade list_for_each_entry_safe(ddb_idx, ddb_idx_tmp, list_ddb, list) { 68424a4bc2e9SLalit Chandivade ret = qla4xxx_get_fwddb_entry(ha, ddb_idx->fw_ddb_idx, 68434a4bc2e9SLalit Chandivade NULL, 0, NULL, &next_idx, &state, 68444a4bc2e9SLalit Chandivade &conn_err, NULL, NULL); 68454a4bc2e9SLalit Chandivade if (ret == QLA_ERROR) 68464a4bc2e9SLalit Chandivade continue; 68474a4bc2e9SLalit Chandivade 68484a4bc2e9SLalit Chandivade if (state == DDB_DS_NO_CONNECTION_ACTIVE || 68494a4bc2e9SLalit Chandivade state == DDB_DS_SESSION_FAILED) { 68504a4bc2e9SLalit Chandivade list_del_init(&ddb_idx->list); 68514a4bc2e9SLalit Chandivade vfree(ddb_idx); 68524a4bc2e9SLalit Chandivade } 68534a4bc2e9SLalit Chandivade } 68544a4bc2e9SLalit Chandivade } 68554a4bc2e9SLalit Chandivade 6856ad8bd45eSManish Rangankar static void qla4xxx_update_sess_disc_idx(struct scsi_qla_host *ha, 6857ad8bd45eSManish Rangankar struct ddb_entry *ddb_entry, 6858ad8bd45eSManish Rangankar struct dev_db_entry *fw_ddb_entry) 6859ad8bd45eSManish Rangankar { 6860ad8bd45eSManish Rangankar struct iscsi_cls_session *cls_sess; 6861ad8bd45eSManish Rangankar struct iscsi_session *sess; 6862ad8bd45eSManish Rangankar uint32_t max_ddbs = 0; 6863ad8bd45eSManish Rangankar uint16_t ddb_link = -1; 6864ad8bd45eSManish Rangankar 6865ad8bd45eSManish Rangankar max_ddbs = is_qla40XX(ha) ? MAX_DEV_DB_ENTRIES_40XX : 6866ad8bd45eSManish Rangankar MAX_DEV_DB_ENTRIES; 6867ad8bd45eSManish Rangankar 6868ad8bd45eSManish Rangankar cls_sess = ddb_entry->sess; 6869ad8bd45eSManish Rangankar sess = cls_sess->dd_data; 6870ad8bd45eSManish Rangankar 6871ad8bd45eSManish Rangankar ddb_link = le16_to_cpu(fw_ddb_entry->ddb_link); 6872ad8bd45eSManish Rangankar if (ddb_link < max_ddbs) 6873ad8bd45eSManish Rangankar sess->discovery_parent_idx = ddb_link; 6874ad8bd45eSManish Rangankar else 6875ad8bd45eSManish Rangankar sess->discovery_parent_idx = DDB_NO_LINK; 6876ad8bd45eSManish Rangankar } 6877ad8bd45eSManish Rangankar 68784a4bc2e9SLalit Chandivade static int qla4xxx_sess_conn_setup(struct scsi_qla_host *ha, 68794a4bc2e9SLalit Chandivade struct dev_db_entry *fw_ddb_entry, 68801dc8ed5dSManish Rangankar int is_reset, uint16_t idx) 68814a4bc2e9SLalit Chandivade { 68824a4bc2e9SLalit Chandivade struct iscsi_cls_session *cls_sess; 68834a4bc2e9SLalit Chandivade struct iscsi_session *sess; 68844a4bc2e9SLalit Chandivade struct iscsi_cls_conn *cls_conn; 68854a4bc2e9SLalit Chandivade struct iscsi_endpoint *ep; 68864a4bc2e9SLalit Chandivade uint16_t cmds_max = 32; 68874a4bc2e9SLalit Chandivade uint16_t conn_id = 0; 68884a4bc2e9SLalit Chandivade uint32_t initial_cmdsn = 0; 68894a4bc2e9SLalit Chandivade int ret = QLA_SUCCESS; 68904a4bc2e9SLalit Chandivade 68914a4bc2e9SLalit Chandivade struct ddb_entry *ddb_entry = NULL; 68924a4bc2e9SLalit Chandivade 68934a4bc2e9SLalit Chandivade /* Create session object, with INVALID_ENTRY, 68944a4bc2e9SLalit Chandivade * the targer_id would get set when we issue the login 68954a4bc2e9SLalit Chandivade */ 68964a4bc2e9SLalit Chandivade cls_sess = iscsi_session_setup(&qla4xxx_iscsi_transport, ha->host, 68974a4bc2e9SLalit Chandivade cmds_max, sizeof(struct ddb_entry), 68984a4bc2e9SLalit Chandivade sizeof(struct ql4_task_data), 68994a4bc2e9SLalit Chandivade initial_cmdsn, INVALID_ENTRY); 69004a4bc2e9SLalit Chandivade if (!cls_sess) { 69014a4bc2e9SLalit Chandivade ret = QLA_ERROR; 69024a4bc2e9SLalit Chandivade goto exit_setup; 69034a4bc2e9SLalit Chandivade } 69044a4bc2e9SLalit Chandivade 69054a4bc2e9SLalit Chandivade /* 69064a4bc2e9SLalit Chandivade * so calling module_put function to decrement the 69074a4bc2e9SLalit Chandivade * reference count. 69084a4bc2e9SLalit Chandivade **/ 69094a4bc2e9SLalit Chandivade module_put(qla4xxx_iscsi_transport.owner); 69104a4bc2e9SLalit Chandivade sess = cls_sess->dd_data; 69114a4bc2e9SLalit Chandivade ddb_entry = sess->dd_data; 69124a4bc2e9SLalit Chandivade ddb_entry->sess = cls_sess; 69134a4bc2e9SLalit Chandivade 69144a4bc2e9SLalit Chandivade cls_sess->recovery_tmo = ql4xsess_recovery_tmo; 69154a4bc2e9SLalit Chandivade memcpy(&ddb_entry->fw_ddb_entry, fw_ddb_entry, 69164a4bc2e9SLalit Chandivade sizeof(struct dev_db_entry)); 69174a4bc2e9SLalit Chandivade 69181dc8ed5dSManish Rangankar qla4xxx_setup_flash_ddb_entry(ha, ddb_entry, idx); 69194a4bc2e9SLalit Chandivade 69204a4bc2e9SLalit Chandivade cls_conn = iscsi_conn_setup(cls_sess, sizeof(struct qla_conn), conn_id); 69214a4bc2e9SLalit Chandivade 69224a4bc2e9SLalit Chandivade if (!cls_conn) { 69234a4bc2e9SLalit Chandivade ret = QLA_ERROR; 69244a4bc2e9SLalit Chandivade goto exit_setup; 69254a4bc2e9SLalit Chandivade } 69264a4bc2e9SLalit Chandivade 69274a4bc2e9SLalit Chandivade ddb_entry->conn = cls_conn; 69284a4bc2e9SLalit Chandivade 69294a4bc2e9SLalit Chandivade /* Setup ep, for displaying attributes in sysfs */ 69304a4bc2e9SLalit Chandivade ep = qla4xxx_get_ep_fwdb(ha, fw_ddb_entry); 69314a4bc2e9SLalit Chandivade if (ep) { 69324a4bc2e9SLalit Chandivade ep->conn = cls_conn; 69334a4bc2e9SLalit Chandivade cls_conn->ep = ep; 69344a4bc2e9SLalit Chandivade } else { 69354a4bc2e9SLalit Chandivade DEBUG2(ql4_printk(KERN_ERR, ha, "Unable to get ep\n")); 69364a4bc2e9SLalit Chandivade ret = QLA_ERROR; 69374a4bc2e9SLalit Chandivade goto exit_setup; 69384a4bc2e9SLalit Chandivade } 69394a4bc2e9SLalit Chandivade 69404a4bc2e9SLalit Chandivade /* Update sess/conn params */ 69414a4bc2e9SLalit Chandivade qla4xxx_copy_fwddb_param(ha, fw_ddb_entry, cls_sess, cls_conn); 6942ad8bd45eSManish Rangankar qla4xxx_update_sess_disc_idx(ha, ddb_entry, fw_ddb_entry); 69434a4bc2e9SLalit Chandivade 69444a4bc2e9SLalit Chandivade if (is_reset == RESET_ADAPTER) { 69454a4bc2e9SLalit Chandivade iscsi_block_session(cls_sess); 69464a4bc2e9SLalit Chandivade /* Use the relogin path to discover new devices 69474a4bc2e9SLalit Chandivade * by short-circuting the logic of setting 69484a4bc2e9SLalit Chandivade * timer to relogin - instead set the flags 69494a4bc2e9SLalit Chandivade * to initiate login right away. 69504a4bc2e9SLalit Chandivade */ 69514a4bc2e9SLalit Chandivade set_bit(DPC_RELOGIN_DEVICE, &ha->dpc_flags); 69524a4bc2e9SLalit Chandivade set_bit(DF_RELOGIN, &ddb_entry->flags); 69534a4bc2e9SLalit Chandivade } 69544a4bc2e9SLalit Chandivade 69554a4bc2e9SLalit Chandivade exit_setup: 69564a4bc2e9SLalit Chandivade return ret; 69574a4bc2e9SLalit Chandivade } 69584a4bc2e9SLalit Chandivade 6959ad8bd45eSManish Rangankar static void qla4xxx_update_fw_ddb_link(struct scsi_qla_host *ha, 6960ad8bd45eSManish Rangankar struct list_head *list_ddb, 6961ad8bd45eSManish Rangankar struct dev_db_entry *fw_ddb_entry) 6962ad8bd45eSManish Rangankar { 6963ad8bd45eSManish Rangankar struct qla_ddb_index *ddb_idx, *ddb_idx_tmp; 6964ad8bd45eSManish Rangankar uint16_t ddb_link; 6965ad8bd45eSManish Rangankar 6966ad8bd45eSManish Rangankar ddb_link = le16_to_cpu(fw_ddb_entry->ddb_link); 6967ad8bd45eSManish Rangankar 6968ad8bd45eSManish Rangankar list_for_each_entry_safe(ddb_idx, ddb_idx_tmp, list_ddb, list) { 6969ad8bd45eSManish Rangankar if (ddb_idx->fw_ddb_idx == ddb_link) { 6970ad8bd45eSManish Rangankar DEBUG2(ql4_printk(KERN_INFO, ha, 6971ad8bd45eSManish Rangankar "Updating NT parent idx from [%d] to [%d]\n", 6972ad8bd45eSManish Rangankar ddb_link, ddb_idx->flash_ddb_idx)); 6973ad8bd45eSManish Rangankar fw_ddb_entry->ddb_link = 6974ad8bd45eSManish Rangankar cpu_to_le16(ddb_idx->flash_ddb_idx); 6975ad8bd45eSManish Rangankar return; 6976ad8bd45eSManish Rangankar } 6977ad8bd45eSManish Rangankar } 6978ad8bd45eSManish Rangankar } 6979ad8bd45eSManish Rangankar 69804a4bc2e9SLalit Chandivade static void qla4xxx_build_nt_list(struct scsi_qla_host *ha, 6981ad8bd45eSManish Rangankar struct list_head *list_nt, 6982ad8bd45eSManish Rangankar struct list_head *list_st, 6983ad8bd45eSManish Rangankar int is_reset) 69844a4bc2e9SLalit Chandivade { 69854a4bc2e9SLalit Chandivade struct dev_db_entry *fw_ddb_entry; 6986ad8bd45eSManish Rangankar struct ddb_entry *ddb_entry = NULL; 69874a4bc2e9SLalit Chandivade dma_addr_t fw_ddb_dma; 69884a4bc2e9SLalit Chandivade int max_ddbs; 69894a4bc2e9SLalit Chandivade int fw_idx_size; 69904a4bc2e9SLalit Chandivade int ret; 69914a4bc2e9SLalit Chandivade uint32_t idx = 0, next_idx = 0; 69924a4bc2e9SLalit Chandivade uint32_t state = 0, conn_err = 0; 6993ad8bd45eSManish Rangankar uint32_t ddb_idx = -1; 69944a4bc2e9SLalit Chandivade uint16_t conn_id = 0; 6995ad8bd45eSManish Rangankar uint16_t ddb_link = -1; 69964a4bc2e9SLalit Chandivade struct qla_ddb_index *nt_ddb_idx; 69974a4bc2e9SLalit Chandivade 69984a4bc2e9SLalit Chandivade fw_ddb_entry = dma_pool_alloc(ha->fw_ddb_dma_pool, GFP_KERNEL, 69994a4bc2e9SLalit Chandivade &fw_ddb_dma); 70004a4bc2e9SLalit Chandivade if (fw_ddb_entry == NULL) { 70014a4bc2e9SLalit Chandivade DEBUG2(ql4_printk(KERN_ERR, ha, "Out of memory\n")); 70024a4bc2e9SLalit Chandivade goto exit_nt_list; 70034a4bc2e9SLalit Chandivade } 70044a4bc2e9SLalit Chandivade max_ddbs = is_qla40XX(ha) ? MAX_DEV_DB_ENTRIES_40XX : 70054a4bc2e9SLalit Chandivade MAX_DEV_DB_ENTRIES; 70064a4bc2e9SLalit Chandivade fw_idx_size = sizeof(struct qla_ddb_index); 70074a4bc2e9SLalit Chandivade 70084a4bc2e9SLalit Chandivade for (idx = 0; idx < max_ddbs; idx = next_idx) { 70094a4bc2e9SLalit Chandivade ret = qla4xxx_get_fwddb_entry(ha, idx, fw_ddb_entry, fw_ddb_dma, 70104a4bc2e9SLalit Chandivade NULL, &next_idx, &state, 70114a4bc2e9SLalit Chandivade &conn_err, NULL, &conn_id); 70124a4bc2e9SLalit Chandivade if (ret == QLA_ERROR) 70134a4bc2e9SLalit Chandivade break; 70144a4bc2e9SLalit Chandivade 70154a4bc2e9SLalit Chandivade if (qla4xxx_verify_boot_idx(ha, idx) != QLA_SUCCESS) 70164a4bc2e9SLalit Chandivade goto continue_next_nt; 70174a4bc2e9SLalit Chandivade 70184a4bc2e9SLalit Chandivade /* Check if NT, then add to list it */ 70194a4bc2e9SLalit Chandivade if (strlen((char *) fw_ddb_entry->iscsi_name) == 0) 70204a4bc2e9SLalit Chandivade goto continue_next_nt; 70214a4bc2e9SLalit Chandivade 7022ad8bd45eSManish Rangankar ddb_link = le16_to_cpu(fw_ddb_entry->ddb_link); 7023ad8bd45eSManish Rangankar if (ddb_link < max_ddbs) 7024ad8bd45eSManish Rangankar qla4xxx_update_fw_ddb_link(ha, list_st, fw_ddb_entry); 7025ad8bd45eSManish Rangankar 70264a4bc2e9SLalit Chandivade if (!(state == DDB_DS_NO_CONNECTION_ACTIVE || 7027ad8bd45eSManish Rangankar state == DDB_DS_SESSION_FAILED) && 7028ad8bd45eSManish Rangankar (is_reset == INIT_ADAPTER)) 70294a4bc2e9SLalit Chandivade goto continue_next_nt; 70304a4bc2e9SLalit Chandivade 70314a4bc2e9SLalit Chandivade DEBUG2(ql4_printk(KERN_INFO, ha, 70324a4bc2e9SLalit Chandivade "Adding DDB to session = 0x%x\n", idx)); 7033ad8bd45eSManish Rangankar 70344a4bc2e9SLalit Chandivade if (is_reset == INIT_ADAPTER) { 70354a4bc2e9SLalit Chandivade nt_ddb_idx = vmalloc(fw_idx_size); 70364a4bc2e9SLalit Chandivade if (!nt_ddb_idx) 70374a4bc2e9SLalit Chandivade break; 70384a4bc2e9SLalit Chandivade 70394a4bc2e9SLalit Chandivade nt_ddb_idx->fw_ddb_idx = idx; 70404a4bc2e9SLalit Chandivade 70411cb78d73SVikas Chaudhary /* Copy original isid as it may get updated in function 70421cb78d73SVikas Chaudhary * qla4xxx_update_isid(). We need original isid in 70431cb78d73SVikas Chaudhary * function qla4xxx_compare_tuple_ddb to find duplicate 70441cb78d73SVikas Chaudhary * target */ 70451cb78d73SVikas Chaudhary memcpy(&nt_ddb_idx->flash_isid[0], 70461cb78d73SVikas Chaudhary &fw_ddb_entry->isid[0], 70471cb78d73SVikas Chaudhary sizeof(nt_ddb_idx->flash_isid)); 70484a4bc2e9SLalit Chandivade 70491cb78d73SVikas Chaudhary ret = qla4xxx_is_flash_ddb_exists(ha, list_nt, 70501cb78d73SVikas Chaudhary fw_ddb_entry); 70511cb78d73SVikas Chaudhary if (ret == QLA_SUCCESS) { 70521cb78d73SVikas Chaudhary /* free nt_ddb_idx and do not add to list_nt */ 70534a4bc2e9SLalit Chandivade vfree(nt_ddb_idx); 70544a4bc2e9SLalit Chandivade goto continue_next_nt; 70554a4bc2e9SLalit Chandivade } 70561cb78d73SVikas Chaudhary 70571cb78d73SVikas Chaudhary /* Copy updated isid */ 70581cb78d73SVikas Chaudhary memcpy(&nt_ddb_idx->fw_ddb, fw_ddb_entry, 70591cb78d73SVikas Chaudhary sizeof(struct dev_db_entry)); 70601cb78d73SVikas Chaudhary 70614a4bc2e9SLalit Chandivade list_add_tail(&nt_ddb_idx->list, list_nt); 70624a4bc2e9SLalit Chandivade } else if (is_reset == RESET_ADAPTER) { 7063ad8bd45eSManish Rangankar ret = qla4xxx_is_session_exists(ha, fw_ddb_entry, 7064ad8bd45eSManish Rangankar &ddb_idx); 7065ad8bd45eSManish Rangankar if (ret == QLA_SUCCESS) { 7066ad8bd45eSManish Rangankar ddb_entry = qla4xxx_lookup_ddb_by_fw_index(ha, 7067ad8bd45eSManish Rangankar ddb_idx); 7068ad8bd45eSManish Rangankar if (ddb_entry != NULL) 7069ad8bd45eSManish Rangankar qla4xxx_update_sess_disc_idx(ha, 7070ad8bd45eSManish Rangankar ddb_entry, 7071ad8bd45eSManish Rangankar fw_ddb_entry); 70724a4bc2e9SLalit Chandivade goto continue_next_nt; 70734a4bc2e9SLalit Chandivade } 7074ad8bd45eSManish Rangankar } 70754a4bc2e9SLalit Chandivade 70761dc8ed5dSManish Rangankar ret = qla4xxx_sess_conn_setup(ha, fw_ddb_entry, is_reset, idx); 70774a4bc2e9SLalit Chandivade if (ret == QLA_ERROR) 70784a4bc2e9SLalit Chandivade goto exit_nt_list; 70794a4bc2e9SLalit Chandivade 70804a4bc2e9SLalit Chandivade continue_next_nt: 70814a4bc2e9SLalit Chandivade if (next_idx == 0) 70824a4bc2e9SLalit Chandivade break; 70834a4bc2e9SLalit Chandivade } 70844a4bc2e9SLalit Chandivade 70854a4bc2e9SLalit Chandivade exit_nt_list: 70864a4bc2e9SLalit Chandivade if (fw_ddb_entry) 70874a4bc2e9SLalit Chandivade dma_pool_free(ha->fw_ddb_dma_pool, fw_ddb_entry, fw_ddb_dma); 70884a4bc2e9SLalit Chandivade } 70894a4bc2e9SLalit Chandivade 70901e9e2be3SAdheer Chandravanshi static void qla4xxx_build_new_nt_list(struct scsi_qla_host *ha, 7091ad8bd45eSManish Rangankar struct list_head *list_nt, 7092ad8bd45eSManish Rangankar uint16_t target_id) 70931e9e2be3SAdheer Chandravanshi { 70941e9e2be3SAdheer Chandravanshi struct dev_db_entry *fw_ddb_entry; 70951e9e2be3SAdheer Chandravanshi dma_addr_t fw_ddb_dma; 70961e9e2be3SAdheer Chandravanshi int max_ddbs; 70971e9e2be3SAdheer Chandravanshi int fw_idx_size; 70981e9e2be3SAdheer Chandravanshi int ret; 70991e9e2be3SAdheer Chandravanshi uint32_t idx = 0, next_idx = 0; 71001e9e2be3SAdheer Chandravanshi uint32_t state = 0, conn_err = 0; 71011e9e2be3SAdheer Chandravanshi uint16_t conn_id = 0; 71021e9e2be3SAdheer Chandravanshi struct qla_ddb_index *nt_ddb_idx; 71031e9e2be3SAdheer Chandravanshi 71041e9e2be3SAdheer Chandravanshi fw_ddb_entry = dma_pool_alloc(ha->fw_ddb_dma_pool, GFP_KERNEL, 71051e9e2be3SAdheer Chandravanshi &fw_ddb_dma); 71061e9e2be3SAdheer Chandravanshi if (fw_ddb_entry == NULL) { 71071e9e2be3SAdheer Chandravanshi DEBUG2(ql4_printk(KERN_ERR, ha, "Out of memory\n")); 71081e9e2be3SAdheer Chandravanshi goto exit_new_nt_list; 71091e9e2be3SAdheer Chandravanshi } 71101e9e2be3SAdheer Chandravanshi max_ddbs = is_qla40XX(ha) ? MAX_DEV_DB_ENTRIES_40XX : 71111e9e2be3SAdheer Chandravanshi MAX_DEV_DB_ENTRIES; 71121e9e2be3SAdheer Chandravanshi fw_idx_size = sizeof(struct qla_ddb_index); 71131e9e2be3SAdheer Chandravanshi 71141e9e2be3SAdheer Chandravanshi for (idx = 0; idx < max_ddbs; idx = next_idx) { 71151e9e2be3SAdheer Chandravanshi ret = qla4xxx_get_fwddb_entry(ha, idx, fw_ddb_entry, fw_ddb_dma, 71161e9e2be3SAdheer Chandravanshi NULL, &next_idx, &state, 71171e9e2be3SAdheer Chandravanshi &conn_err, NULL, &conn_id); 71181e9e2be3SAdheer Chandravanshi if (ret == QLA_ERROR) 71191e9e2be3SAdheer Chandravanshi break; 71201e9e2be3SAdheer Chandravanshi 71211e9e2be3SAdheer Chandravanshi /* Check if NT, then add it to list */ 71221e9e2be3SAdheer Chandravanshi if (strlen((char *)fw_ddb_entry->iscsi_name) == 0) 71231e9e2be3SAdheer Chandravanshi goto continue_next_new_nt; 71241e9e2be3SAdheer Chandravanshi 71251e9e2be3SAdheer Chandravanshi if (!(state == DDB_DS_NO_CONNECTION_ACTIVE)) 71261e9e2be3SAdheer Chandravanshi goto continue_next_new_nt; 71271e9e2be3SAdheer Chandravanshi 71281e9e2be3SAdheer Chandravanshi DEBUG2(ql4_printk(KERN_INFO, ha, 71291e9e2be3SAdheer Chandravanshi "Adding DDB to session = 0x%x\n", idx)); 71301e9e2be3SAdheer Chandravanshi 71311e9e2be3SAdheer Chandravanshi nt_ddb_idx = vmalloc(fw_idx_size); 71321e9e2be3SAdheer Chandravanshi if (!nt_ddb_idx) 71331e9e2be3SAdheer Chandravanshi break; 71341e9e2be3SAdheer Chandravanshi 71351e9e2be3SAdheer Chandravanshi nt_ddb_idx->fw_ddb_idx = idx; 71361e9e2be3SAdheer Chandravanshi 7137ad8bd45eSManish Rangankar ret = qla4xxx_is_session_exists(ha, fw_ddb_entry, NULL); 71381e9e2be3SAdheer Chandravanshi if (ret == QLA_SUCCESS) { 71391e9e2be3SAdheer Chandravanshi /* free nt_ddb_idx and do not add to list_nt */ 71401e9e2be3SAdheer Chandravanshi vfree(nt_ddb_idx); 71411e9e2be3SAdheer Chandravanshi goto continue_next_new_nt; 71421e9e2be3SAdheer Chandravanshi } 71431e9e2be3SAdheer Chandravanshi 7144ad8bd45eSManish Rangankar if (target_id < max_ddbs) 7145ad8bd45eSManish Rangankar fw_ddb_entry->ddb_link = cpu_to_le16(target_id); 7146ad8bd45eSManish Rangankar 71471e9e2be3SAdheer Chandravanshi list_add_tail(&nt_ddb_idx->list, list_nt); 71481e9e2be3SAdheer Chandravanshi 71491e9e2be3SAdheer Chandravanshi ret = qla4xxx_sess_conn_setup(ha, fw_ddb_entry, RESET_ADAPTER, 71501e9e2be3SAdheer Chandravanshi idx); 71511e9e2be3SAdheer Chandravanshi if (ret == QLA_ERROR) 71521e9e2be3SAdheer Chandravanshi goto exit_new_nt_list; 71531e9e2be3SAdheer Chandravanshi 71541e9e2be3SAdheer Chandravanshi continue_next_new_nt: 71551e9e2be3SAdheer Chandravanshi if (next_idx == 0) 71561e9e2be3SAdheer Chandravanshi break; 71571e9e2be3SAdheer Chandravanshi } 71581e9e2be3SAdheer Chandravanshi 71591e9e2be3SAdheer Chandravanshi exit_new_nt_list: 71601e9e2be3SAdheer Chandravanshi if (fw_ddb_entry) 71611e9e2be3SAdheer Chandravanshi dma_pool_free(ha->fw_ddb_dma_pool, fw_ddb_entry, fw_ddb_dma); 71621e9e2be3SAdheer Chandravanshi } 71631e9e2be3SAdheer Chandravanshi 71641e9e2be3SAdheer Chandravanshi /** 71651e9e2be3SAdheer Chandravanshi * qla4xxx_sysfs_ddb_is_non_persistent - check for non-persistence of ddb entry 71661e9e2be3SAdheer Chandravanshi * @dev: dev associated with the sysfs entry 71671e9e2be3SAdheer Chandravanshi * @data: pointer to flashnode session object 71681e9e2be3SAdheer Chandravanshi * 71691e9e2be3SAdheer Chandravanshi * Returns: 71701e9e2be3SAdheer Chandravanshi * 1: if flashnode entry is non-persistent 71711e9e2be3SAdheer Chandravanshi * 0: if flashnode entry is persistent 71721e9e2be3SAdheer Chandravanshi **/ 71731e9e2be3SAdheer Chandravanshi static int qla4xxx_sysfs_ddb_is_non_persistent(struct device *dev, void *data) 71741e9e2be3SAdheer Chandravanshi { 71751e9e2be3SAdheer Chandravanshi struct iscsi_bus_flash_session *fnode_sess; 71761e9e2be3SAdheer Chandravanshi 71771e9e2be3SAdheer Chandravanshi if (!iscsi_flashnode_bus_match(dev, NULL)) 71781e9e2be3SAdheer Chandravanshi return 0; 71791e9e2be3SAdheer Chandravanshi 71801e9e2be3SAdheer Chandravanshi fnode_sess = iscsi_dev_to_flash_session(dev); 71811e9e2be3SAdheer Chandravanshi 71821e9e2be3SAdheer Chandravanshi return (fnode_sess->flash_state == DEV_DB_NON_PERSISTENT); 71831e9e2be3SAdheer Chandravanshi } 71841e9e2be3SAdheer Chandravanshi 71851e9e2be3SAdheer Chandravanshi /** 71861e9e2be3SAdheer Chandravanshi * qla4xxx_sysfs_ddb_tgt_create - Create sysfs entry for target 71871e9e2be3SAdheer Chandravanshi * @ha: pointer to host 71881e9e2be3SAdheer Chandravanshi * @fw_ddb_entry: flash ddb data 71891e9e2be3SAdheer Chandravanshi * @idx: target index 71901e9e2be3SAdheer Chandravanshi * @user: if set then this call is made from userland else from kernel 71911e9e2be3SAdheer Chandravanshi * 71921e9e2be3SAdheer Chandravanshi * Returns: 71931e9e2be3SAdheer Chandravanshi * On sucess: QLA_SUCCESS 71941e9e2be3SAdheer Chandravanshi * On failure: QLA_ERROR 71951e9e2be3SAdheer Chandravanshi * 71961e9e2be3SAdheer Chandravanshi * This create separate sysfs entries for session and connection attributes of 71971e9e2be3SAdheer Chandravanshi * the given fw ddb entry. 71981e9e2be3SAdheer Chandravanshi * If this is invoked as a result of a userspace call then the entry is marked 71991e9e2be3SAdheer Chandravanshi * as nonpersistent using flash_state field. 72001e9e2be3SAdheer Chandravanshi **/ 720128e02f1aSVikas Chaudhary static int qla4xxx_sysfs_ddb_tgt_create(struct scsi_qla_host *ha, 72021e9e2be3SAdheer Chandravanshi struct dev_db_entry *fw_ddb_entry, 72031e9e2be3SAdheer Chandravanshi uint16_t *idx, int user) 72041e9e2be3SAdheer Chandravanshi { 72051e9e2be3SAdheer Chandravanshi struct iscsi_bus_flash_session *fnode_sess = NULL; 72061e9e2be3SAdheer Chandravanshi struct iscsi_bus_flash_conn *fnode_conn = NULL; 72071e9e2be3SAdheer Chandravanshi int rc = QLA_ERROR; 72081e9e2be3SAdheer Chandravanshi 72091e9e2be3SAdheer Chandravanshi fnode_sess = iscsi_create_flashnode_sess(ha->host, *idx, 72101e9e2be3SAdheer Chandravanshi &qla4xxx_iscsi_transport, 0); 72111e9e2be3SAdheer Chandravanshi if (!fnode_sess) { 72121e9e2be3SAdheer Chandravanshi ql4_printk(KERN_ERR, ha, 72131e9e2be3SAdheer Chandravanshi "%s: Unable to create session sysfs entry for flashnode %d of host%lu\n", 72141e9e2be3SAdheer Chandravanshi __func__, *idx, ha->host_no); 72151e9e2be3SAdheer Chandravanshi goto exit_tgt_create; 72161e9e2be3SAdheer Chandravanshi } 72171e9e2be3SAdheer Chandravanshi 72181e9e2be3SAdheer Chandravanshi fnode_conn = iscsi_create_flashnode_conn(ha->host, fnode_sess, 72191e9e2be3SAdheer Chandravanshi &qla4xxx_iscsi_transport, 0); 72201e9e2be3SAdheer Chandravanshi if (!fnode_conn) { 72211e9e2be3SAdheer Chandravanshi ql4_printk(KERN_ERR, ha, 72221e9e2be3SAdheer Chandravanshi "%s: Unable to create conn sysfs entry for flashnode %d of host%lu\n", 72231e9e2be3SAdheer Chandravanshi __func__, *idx, ha->host_no); 72241e9e2be3SAdheer Chandravanshi goto free_sess; 72251e9e2be3SAdheer Chandravanshi } 72261e9e2be3SAdheer Chandravanshi 72271e9e2be3SAdheer Chandravanshi if (user) { 72281e9e2be3SAdheer Chandravanshi fnode_sess->flash_state = DEV_DB_NON_PERSISTENT; 72291e9e2be3SAdheer Chandravanshi } else { 72301e9e2be3SAdheer Chandravanshi fnode_sess->flash_state = DEV_DB_PERSISTENT; 72311e9e2be3SAdheer Chandravanshi 72321e9e2be3SAdheer Chandravanshi if (*idx == ha->pri_ddb_idx || *idx == ha->sec_ddb_idx) 72331e9e2be3SAdheer Chandravanshi fnode_sess->is_boot_target = 1; 72341e9e2be3SAdheer Chandravanshi else 72351e9e2be3SAdheer Chandravanshi fnode_sess->is_boot_target = 0; 72361e9e2be3SAdheer Chandravanshi } 72371e9e2be3SAdheer Chandravanshi 72381e9e2be3SAdheer Chandravanshi rc = qla4xxx_copy_from_fwddb_param(fnode_sess, fnode_conn, 72391e9e2be3SAdheer Chandravanshi fw_ddb_entry); 72401e9e2be3SAdheer Chandravanshi 72411e9e2be3SAdheer Chandravanshi ql4_printk(KERN_INFO, ha, "%s: sysfs entry %s created\n", 72421e9e2be3SAdheer Chandravanshi __func__, fnode_sess->dev.kobj.name); 72431e9e2be3SAdheer Chandravanshi 72441e9e2be3SAdheer Chandravanshi ql4_printk(KERN_INFO, ha, "%s: sysfs entry %s created\n", 72451e9e2be3SAdheer Chandravanshi __func__, fnode_conn->dev.kobj.name); 72461e9e2be3SAdheer Chandravanshi 72471e9e2be3SAdheer Chandravanshi return QLA_SUCCESS; 72481e9e2be3SAdheer Chandravanshi 72491e9e2be3SAdheer Chandravanshi free_sess: 72501e9e2be3SAdheer Chandravanshi iscsi_destroy_flashnode_sess(fnode_sess); 72511e9e2be3SAdheer Chandravanshi 72521e9e2be3SAdheer Chandravanshi exit_tgt_create: 72531e9e2be3SAdheer Chandravanshi return QLA_ERROR; 72541e9e2be3SAdheer Chandravanshi } 72551e9e2be3SAdheer Chandravanshi 72561e9e2be3SAdheer Chandravanshi /** 72571e9e2be3SAdheer Chandravanshi * qla4xxx_sysfs_ddb_add - Add new ddb entry in flash 72581e9e2be3SAdheer Chandravanshi * @shost: pointer to host 72591e9e2be3SAdheer Chandravanshi * @buf: type of ddb entry (ipv4/ipv6) 72601e9e2be3SAdheer Chandravanshi * @len: length of buf 72611e9e2be3SAdheer Chandravanshi * 72621e9e2be3SAdheer Chandravanshi * This creates new ddb entry in the flash by finding first free index and 72631e9e2be3SAdheer Chandravanshi * storing default ddb there. And then create sysfs entry for the new ddb entry. 72641e9e2be3SAdheer Chandravanshi **/ 72651e9e2be3SAdheer Chandravanshi static int qla4xxx_sysfs_ddb_add(struct Scsi_Host *shost, const char *buf, 72661e9e2be3SAdheer Chandravanshi int len) 72671e9e2be3SAdheer Chandravanshi { 72681e9e2be3SAdheer Chandravanshi struct scsi_qla_host *ha = to_qla_host(shost); 72691e9e2be3SAdheer Chandravanshi struct dev_db_entry *fw_ddb_entry = NULL; 72701e9e2be3SAdheer Chandravanshi dma_addr_t fw_ddb_entry_dma; 72711e9e2be3SAdheer Chandravanshi struct device *dev; 72721e9e2be3SAdheer Chandravanshi uint16_t idx = 0; 72731e9e2be3SAdheer Chandravanshi uint16_t max_ddbs = 0; 72741e9e2be3SAdheer Chandravanshi uint32_t options = 0; 72751e9e2be3SAdheer Chandravanshi uint32_t rval = QLA_ERROR; 72761e9e2be3SAdheer Chandravanshi 7277c962c18bSAdheer Chandravanshi if (strncasecmp(PORTAL_TYPE_IPV4, buf, 4) && 7278c962c18bSAdheer Chandravanshi strncasecmp(PORTAL_TYPE_IPV6, buf, 4)) { 72791e9e2be3SAdheer Chandravanshi DEBUG2(ql4_printk(KERN_ERR, ha, "%s: Invalid portal type\n", 72801e9e2be3SAdheer Chandravanshi __func__)); 72811e9e2be3SAdheer Chandravanshi goto exit_ddb_add; 72821e9e2be3SAdheer Chandravanshi } 72831e9e2be3SAdheer Chandravanshi 7284a957a7d7SAdheer Chandravanshi max_ddbs = is_qla40XX(ha) ? MAX_PRST_DEV_DB_ENTRIES : 72851e9e2be3SAdheer Chandravanshi MAX_DEV_DB_ENTRIES; 72861e9e2be3SAdheer Chandravanshi 72871e9e2be3SAdheer Chandravanshi fw_ddb_entry = dma_alloc_coherent(&ha->pdev->dev, sizeof(*fw_ddb_entry), 72881e9e2be3SAdheer Chandravanshi &fw_ddb_entry_dma, GFP_KERNEL); 72891e9e2be3SAdheer Chandravanshi if (!fw_ddb_entry) { 72901e9e2be3SAdheer Chandravanshi DEBUG2(ql4_printk(KERN_ERR, ha, 72911e9e2be3SAdheer Chandravanshi "%s: Unable to allocate dma buffer\n", 72921e9e2be3SAdheer Chandravanshi __func__)); 72931e9e2be3SAdheer Chandravanshi goto exit_ddb_add; 72941e9e2be3SAdheer Chandravanshi } 72951e9e2be3SAdheer Chandravanshi 72961e9e2be3SAdheer Chandravanshi dev = iscsi_find_flashnode_sess(ha->host, NULL, 72971e9e2be3SAdheer Chandravanshi qla4xxx_sysfs_ddb_is_non_persistent); 72981e9e2be3SAdheer Chandravanshi if (dev) { 72991e9e2be3SAdheer Chandravanshi ql4_printk(KERN_ERR, ha, 73001e9e2be3SAdheer Chandravanshi "%s: A non-persistent entry %s found\n", 73011e9e2be3SAdheer Chandravanshi __func__, dev->kobj.name); 73028526cb11SMike Christie put_device(dev); 73031e9e2be3SAdheer Chandravanshi goto exit_ddb_add; 73041e9e2be3SAdheer Chandravanshi } 73051e9e2be3SAdheer Chandravanshi 730699937574SAdheer Chandravanshi /* Index 0 and 1 are reserved for boot target entries */ 730799937574SAdheer Chandravanshi for (idx = 2; idx < max_ddbs; idx++) { 73081e9e2be3SAdheer Chandravanshi if (qla4xxx_flashdb_by_index(ha, fw_ddb_entry, 73091e9e2be3SAdheer Chandravanshi fw_ddb_entry_dma, idx)) 73101e9e2be3SAdheer Chandravanshi break; 73111e9e2be3SAdheer Chandravanshi } 73121e9e2be3SAdheer Chandravanshi 73131e9e2be3SAdheer Chandravanshi if (idx == max_ddbs) 73141e9e2be3SAdheer Chandravanshi goto exit_ddb_add; 73151e9e2be3SAdheer Chandravanshi 73161e9e2be3SAdheer Chandravanshi if (!strncasecmp("ipv6", buf, 4)) 73171e9e2be3SAdheer Chandravanshi options |= IPV6_DEFAULT_DDB_ENTRY; 73181e9e2be3SAdheer Chandravanshi 73191e9e2be3SAdheer Chandravanshi rval = qla4xxx_get_default_ddb(ha, options, fw_ddb_entry_dma); 73201e9e2be3SAdheer Chandravanshi if (rval == QLA_ERROR) 73211e9e2be3SAdheer Chandravanshi goto exit_ddb_add; 73221e9e2be3SAdheer Chandravanshi 73231e9e2be3SAdheer Chandravanshi rval = qla4xxx_sysfs_ddb_tgt_create(ha, fw_ddb_entry, &idx, 1); 73241e9e2be3SAdheer Chandravanshi 73251e9e2be3SAdheer Chandravanshi exit_ddb_add: 73261e9e2be3SAdheer Chandravanshi if (fw_ddb_entry) 73271e9e2be3SAdheer Chandravanshi dma_free_coherent(&ha->pdev->dev, sizeof(*fw_ddb_entry), 73281e9e2be3SAdheer Chandravanshi fw_ddb_entry, fw_ddb_entry_dma); 73291e9e2be3SAdheer Chandravanshi if (rval == QLA_SUCCESS) 73301e9e2be3SAdheer Chandravanshi return idx; 73311e9e2be3SAdheer Chandravanshi else 73321e9e2be3SAdheer Chandravanshi return -EIO; 73331e9e2be3SAdheer Chandravanshi } 73341e9e2be3SAdheer Chandravanshi 73351e9e2be3SAdheer Chandravanshi /** 73361e9e2be3SAdheer Chandravanshi * qla4xxx_sysfs_ddb_apply - write the target ddb contents to Flash 73371e9e2be3SAdheer Chandravanshi * @fnode_sess: pointer to session attrs of flash ddb entry 73381e9e2be3SAdheer Chandravanshi * @fnode_conn: pointer to connection attrs of flash ddb entry 73391e9e2be3SAdheer Chandravanshi * 73401e9e2be3SAdheer Chandravanshi * This writes the contents of target ddb buffer to Flash with a valid cookie 73411e9e2be3SAdheer Chandravanshi * value in order to make the ddb entry persistent. 73421e9e2be3SAdheer Chandravanshi **/ 73431e9e2be3SAdheer Chandravanshi static int qla4xxx_sysfs_ddb_apply(struct iscsi_bus_flash_session *fnode_sess, 73441e9e2be3SAdheer Chandravanshi struct iscsi_bus_flash_conn *fnode_conn) 73451e9e2be3SAdheer Chandravanshi { 73461e9e2be3SAdheer Chandravanshi struct Scsi_Host *shost = iscsi_flash_session_to_shost(fnode_sess); 73471e9e2be3SAdheer Chandravanshi struct scsi_qla_host *ha = to_qla_host(shost); 73481e9e2be3SAdheer Chandravanshi uint32_t dev_db_start_offset = FLASH_OFFSET_DB_INFO; 73491e9e2be3SAdheer Chandravanshi struct dev_db_entry *fw_ddb_entry = NULL; 73501e9e2be3SAdheer Chandravanshi dma_addr_t fw_ddb_entry_dma; 73511e9e2be3SAdheer Chandravanshi uint32_t options = 0; 73521e9e2be3SAdheer Chandravanshi int rval = 0; 73531e9e2be3SAdheer Chandravanshi 73541e9e2be3SAdheer Chandravanshi fw_ddb_entry = dma_alloc_coherent(&ha->pdev->dev, sizeof(*fw_ddb_entry), 73551e9e2be3SAdheer Chandravanshi &fw_ddb_entry_dma, GFP_KERNEL); 73561e9e2be3SAdheer Chandravanshi if (!fw_ddb_entry) { 73571e9e2be3SAdheer Chandravanshi DEBUG2(ql4_printk(KERN_ERR, ha, 73581e9e2be3SAdheer Chandravanshi "%s: Unable to allocate dma buffer\n", 73591e9e2be3SAdheer Chandravanshi __func__)); 73601e9e2be3SAdheer Chandravanshi rval = -ENOMEM; 73611e9e2be3SAdheer Chandravanshi goto exit_ddb_apply; 73621e9e2be3SAdheer Chandravanshi } 73631e9e2be3SAdheer Chandravanshi 7364c962c18bSAdheer Chandravanshi if (!strncasecmp(fnode_sess->portal_type, PORTAL_TYPE_IPV6, 4)) 73651e9e2be3SAdheer Chandravanshi options |= IPV6_DEFAULT_DDB_ENTRY; 73661e9e2be3SAdheer Chandravanshi 73671e9e2be3SAdheer Chandravanshi rval = qla4xxx_get_default_ddb(ha, options, fw_ddb_entry_dma); 73681e9e2be3SAdheer Chandravanshi if (rval == QLA_ERROR) 73691e9e2be3SAdheer Chandravanshi goto exit_ddb_apply; 73701e9e2be3SAdheer Chandravanshi 73711e9e2be3SAdheer Chandravanshi dev_db_start_offset += (fnode_sess->target_id * 73721e9e2be3SAdheer Chandravanshi sizeof(*fw_ddb_entry)); 73731e9e2be3SAdheer Chandravanshi 73741e9e2be3SAdheer Chandravanshi qla4xxx_copy_to_fwddb_param(fnode_sess, fnode_conn, fw_ddb_entry); 73751e9e2be3SAdheer Chandravanshi fw_ddb_entry->cookie = DDB_VALID_COOKIE; 73761e9e2be3SAdheer Chandravanshi 73771e9e2be3SAdheer Chandravanshi rval = qla4xxx_set_flash(ha, fw_ddb_entry_dma, dev_db_start_offset, 73781e9e2be3SAdheer Chandravanshi sizeof(*fw_ddb_entry), FLASH_OPT_RMW_COMMIT); 73791e9e2be3SAdheer Chandravanshi 73801e9e2be3SAdheer Chandravanshi if (rval == QLA_SUCCESS) { 73811e9e2be3SAdheer Chandravanshi fnode_sess->flash_state = DEV_DB_PERSISTENT; 73821e9e2be3SAdheer Chandravanshi ql4_printk(KERN_INFO, ha, 73831e9e2be3SAdheer Chandravanshi "%s: flash node %u of host %lu written to flash\n", 73841e9e2be3SAdheer Chandravanshi __func__, fnode_sess->target_id, ha->host_no); 73851e9e2be3SAdheer Chandravanshi } else { 73861e9e2be3SAdheer Chandravanshi rval = -EIO; 73871e9e2be3SAdheer Chandravanshi ql4_printk(KERN_ERR, ha, 73881e9e2be3SAdheer Chandravanshi "%s: Error while writing flash node %u of host %lu to flash\n", 73891e9e2be3SAdheer Chandravanshi __func__, fnode_sess->target_id, ha->host_no); 73901e9e2be3SAdheer Chandravanshi } 73911e9e2be3SAdheer Chandravanshi 73921e9e2be3SAdheer Chandravanshi exit_ddb_apply: 73931e9e2be3SAdheer Chandravanshi if (fw_ddb_entry) 73941e9e2be3SAdheer Chandravanshi dma_free_coherent(&ha->pdev->dev, sizeof(*fw_ddb_entry), 73951e9e2be3SAdheer Chandravanshi fw_ddb_entry, fw_ddb_entry_dma); 73961e9e2be3SAdheer Chandravanshi return rval; 73971e9e2be3SAdheer Chandravanshi } 73981e9e2be3SAdheer Chandravanshi 73991e9e2be3SAdheer Chandravanshi static ssize_t qla4xxx_sysfs_ddb_conn_open(struct scsi_qla_host *ha, 74001e9e2be3SAdheer Chandravanshi struct dev_db_entry *fw_ddb_entry, 74011e9e2be3SAdheer Chandravanshi uint16_t idx) 74021e9e2be3SAdheer Chandravanshi { 74031e9e2be3SAdheer Chandravanshi struct dev_db_entry *ddb_entry = NULL; 74041e9e2be3SAdheer Chandravanshi dma_addr_t ddb_entry_dma; 74051e9e2be3SAdheer Chandravanshi unsigned long wtime; 74061e9e2be3SAdheer Chandravanshi uint32_t mbx_sts = 0; 74071e9e2be3SAdheer Chandravanshi uint32_t state = 0, conn_err = 0; 74081e9e2be3SAdheer Chandravanshi uint16_t tmo = 0; 74091e9e2be3SAdheer Chandravanshi int ret = 0; 74101e9e2be3SAdheer Chandravanshi 74111e9e2be3SAdheer Chandravanshi ddb_entry = dma_alloc_coherent(&ha->pdev->dev, sizeof(*ddb_entry), 74121e9e2be3SAdheer Chandravanshi &ddb_entry_dma, GFP_KERNEL); 74131e9e2be3SAdheer Chandravanshi if (!ddb_entry) { 74141e9e2be3SAdheer Chandravanshi DEBUG2(ql4_printk(KERN_ERR, ha, 74151e9e2be3SAdheer Chandravanshi "%s: Unable to allocate dma buffer\n", 74161e9e2be3SAdheer Chandravanshi __func__)); 74171e9e2be3SAdheer Chandravanshi return QLA_ERROR; 74181e9e2be3SAdheer Chandravanshi } 74191e9e2be3SAdheer Chandravanshi 74201e9e2be3SAdheer Chandravanshi memcpy(ddb_entry, fw_ddb_entry, sizeof(*ddb_entry)); 74211e9e2be3SAdheer Chandravanshi 74221e9e2be3SAdheer Chandravanshi ret = qla4xxx_set_ddb_entry(ha, idx, ddb_entry_dma, &mbx_sts); 74231e9e2be3SAdheer Chandravanshi if (ret != QLA_SUCCESS) { 74241e9e2be3SAdheer Chandravanshi DEBUG2(ql4_printk(KERN_ERR, ha, 74251e9e2be3SAdheer Chandravanshi "%s: Unable to set ddb entry for index %d\n", 74261e9e2be3SAdheer Chandravanshi __func__, idx)); 74271e9e2be3SAdheer Chandravanshi goto exit_ddb_conn_open; 74281e9e2be3SAdheer Chandravanshi } 74291e9e2be3SAdheer Chandravanshi 74301e9e2be3SAdheer Chandravanshi qla4xxx_conn_open(ha, idx); 74311e9e2be3SAdheer Chandravanshi 74321e9e2be3SAdheer Chandravanshi /* To ensure that sendtargets is done, wait for at least 12 secs */ 74331e9e2be3SAdheer Chandravanshi tmo = ((ha->def_timeout > LOGIN_TOV) && 74341e9e2be3SAdheer Chandravanshi (ha->def_timeout < LOGIN_TOV * 10) ? 74351e9e2be3SAdheer Chandravanshi ha->def_timeout : LOGIN_TOV); 74361e9e2be3SAdheer Chandravanshi 74371e9e2be3SAdheer Chandravanshi DEBUG2(ql4_printk(KERN_INFO, ha, 74381e9e2be3SAdheer Chandravanshi "Default time to wait for login to ddb %d\n", tmo)); 74391e9e2be3SAdheer Chandravanshi 74401e9e2be3SAdheer Chandravanshi wtime = jiffies + (HZ * tmo); 74411e9e2be3SAdheer Chandravanshi do { 74421e9e2be3SAdheer Chandravanshi ret = qla4xxx_get_fwddb_entry(ha, idx, NULL, 0, NULL, 74431e9e2be3SAdheer Chandravanshi NULL, &state, &conn_err, NULL, 74441e9e2be3SAdheer Chandravanshi NULL); 74451e9e2be3SAdheer Chandravanshi if (ret == QLA_ERROR) 74461e9e2be3SAdheer Chandravanshi continue; 74471e9e2be3SAdheer Chandravanshi 74481e9e2be3SAdheer Chandravanshi if (state == DDB_DS_NO_CONNECTION_ACTIVE || 74491e9e2be3SAdheer Chandravanshi state == DDB_DS_SESSION_FAILED) 74501e9e2be3SAdheer Chandravanshi break; 74511e9e2be3SAdheer Chandravanshi 74521e9e2be3SAdheer Chandravanshi schedule_timeout_uninterruptible(HZ / 10); 74531e9e2be3SAdheer Chandravanshi } while (time_after(wtime, jiffies)); 74541e9e2be3SAdheer Chandravanshi 74551e9e2be3SAdheer Chandravanshi exit_ddb_conn_open: 74561e9e2be3SAdheer Chandravanshi if (ddb_entry) 74571e9e2be3SAdheer Chandravanshi dma_free_coherent(&ha->pdev->dev, sizeof(*ddb_entry), 74581e9e2be3SAdheer Chandravanshi ddb_entry, ddb_entry_dma); 74591e9e2be3SAdheer Chandravanshi return ret; 74601e9e2be3SAdheer Chandravanshi } 74611e9e2be3SAdheer Chandravanshi 74621e9e2be3SAdheer Chandravanshi static int qla4xxx_ddb_login_st(struct scsi_qla_host *ha, 7463ad8bd45eSManish Rangankar struct dev_db_entry *fw_ddb_entry, 7464ad8bd45eSManish Rangankar uint16_t target_id) 74651e9e2be3SAdheer Chandravanshi { 74661e9e2be3SAdheer Chandravanshi struct qla_ddb_index *ddb_idx, *ddb_idx_tmp; 74671e9e2be3SAdheer Chandravanshi struct list_head list_nt; 74681e9e2be3SAdheer Chandravanshi uint16_t ddb_index; 74691e9e2be3SAdheer Chandravanshi int ret = 0; 74701e9e2be3SAdheer Chandravanshi 74711e9e2be3SAdheer Chandravanshi if (test_bit(AF_ST_DISCOVERY_IN_PROGRESS, &ha->flags)) { 74721e9e2be3SAdheer Chandravanshi ql4_printk(KERN_WARNING, ha, 74731e9e2be3SAdheer Chandravanshi "%s: A discovery already in progress!\n", __func__); 74741e9e2be3SAdheer Chandravanshi return QLA_ERROR; 74751e9e2be3SAdheer Chandravanshi } 74761e9e2be3SAdheer Chandravanshi 74771e9e2be3SAdheer Chandravanshi INIT_LIST_HEAD(&list_nt); 74781e9e2be3SAdheer Chandravanshi 74791e9e2be3SAdheer Chandravanshi set_bit(AF_ST_DISCOVERY_IN_PROGRESS, &ha->flags); 74801e9e2be3SAdheer Chandravanshi 74811e9e2be3SAdheer Chandravanshi ret = qla4xxx_get_ddb_index(ha, &ddb_index); 74821e9e2be3SAdheer Chandravanshi if (ret == QLA_ERROR) 74831e9e2be3SAdheer Chandravanshi goto exit_login_st_clr_bit; 74841e9e2be3SAdheer Chandravanshi 74851e9e2be3SAdheer Chandravanshi ret = qla4xxx_sysfs_ddb_conn_open(ha, fw_ddb_entry, ddb_index); 74861e9e2be3SAdheer Chandravanshi if (ret == QLA_ERROR) 74871e9e2be3SAdheer Chandravanshi goto exit_login_st; 74881e9e2be3SAdheer Chandravanshi 7489ad8bd45eSManish Rangankar qla4xxx_build_new_nt_list(ha, &list_nt, target_id); 74901e9e2be3SAdheer Chandravanshi 74911e9e2be3SAdheer Chandravanshi list_for_each_entry_safe(ddb_idx, ddb_idx_tmp, &list_nt, list) { 74921e9e2be3SAdheer Chandravanshi list_del_init(&ddb_idx->list); 74931e9e2be3SAdheer Chandravanshi qla4xxx_clear_ddb_entry(ha, ddb_idx->fw_ddb_idx); 74941e9e2be3SAdheer Chandravanshi vfree(ddb_idx); 74951e9e2be3SAdheer Chandravanshi } 74961e9e2be3SAdheer Chandravanshi 74971e9e2be3SAdheer Chandravanshi exit_login_st: 74981e9e2be3SAdheer Chandravanshi if (qla4xxx_clear_ddb_entry(ha, ddb_index) == QLA_ERROR) { 74991e9e2be3SAdheer Chandravanshi ql4_printk(KERN_ERR, ha, 75001e9e2be3SAdheer Chandravanshi "Unable to clear DDB index = 0x%x\n", ddb_index); 75011e9e2be3SAdheer Chandravanshi } 75021e9e2be3SAdheer Chandravanshi 75031e9e2be3SAdheer Chandravanshi clear_bit(ddb_index, ha->ddb_idx_map); 75041e9e2be3SAdheer Chandravanshi 75051e9e2be3SAdheer Chandravanshi exit_login_st_clr_bit: 75061e9e2be3SAdheer Chandravanshi clear_bit(AF_ST_DISCOVERY_IN_PROGRESS, &ha->flags); 75071e9e2be3SAdheer Chandravanshi return ret; 75081e9e2be3SAdheer Chandravanshi } 75091e9e2be3SAdheer Chandravanshi 75101e9e2be3SAdheer Chandravanshi static int qla4xxx_ddb_login_nt(struct scsi_qla_host *ha, 75111e9e2be3SAdheer Chandravanshi struct dev_db_entry *fw_ddb_entry, 75121e9e2be3SAdheer Chandravanshi uint16_t idx) 75131e9e2be3SAdheer Chandravanshi { 75141e9e2be3SAdheer Chandravanshi int ret = QLA_ERROR; 75151e9e2be3SAdheer Chandravanshi 7516ad8bd45eSManish Rangankar ret = qla4xxx_is_session_exists(ha, fw_ddb_entry, NULL); 75171e9e2be3SAdheer Chandravanshi if (ret != QLA_SUCCESS) 75181e9e2be3SAdheer Chandravanshi ret = qla4xxx_sess_conn_setup(ha, fw_ddb_entry, RESET_ADAPTER, 75191e9e2be3SAdheer Chandravanshi idx); 75201e9e2be3SAdheer Chandravanshi else 75211e9e2be3SAdheer Chandravanshi ret = -EPERM; 75221e9e2be3SAdheer Chandravanshi 75231e9e2be3SAdheer Chandravanshi return ret; 75241e9e2be3SAdheer Chandravanshi } 75251e9e2be3SAdheer Chandravanshi 75261e9e2be3SAdheer Chandravanshi /** 75271e9e2be3SAdheer Chandravanshi * qla4xxx_sysfs_ddb_login - Login to the specified target 75281e9e2be3SAdheer Chandravanshi * @fnode_sess: pointer to session attrs of flash ddb entry 75291e9e2be3SAdheer Chandravanshi * @fnode_conn: pointer to connection attrs of flash ddb entry 75301e9e2be3SAdheer Chandravanshi * 75311e9e2be3SAdheer Chandravanshi * This logs in to the specified target 75321e9e2be3SAdheer Chandravanshi **/ 75331e9e2be3SAdheer Chandravanshi static int qla4xxx_sysfs_ddb_login(struct iscsi_bus_flash_session *fnode_sess, 75341e9e2be3SAdheer Chandravanshi struct iscsi_bus_flash_conn *fnode_conn) 75351e9e2be3SAdheer Chandravanshi { 75361e9e2be3SAdheer Chandravanshi struct Scsi_Host *shost = iscsi_flash_session_to_shost(fnode_sess); 75371e9e2be3SAdheer Chandravanshi struct scsi_qla_host *ha = to_qla_host(shost); 75381e9e2be3SAdheer Chandravanshi struct dev_db_entry *fw_ddb_entry = NULL; 75391e9e2be3SAdheer Chandravanshi dma_addr_t fw_ddb_entry_dma; 75401e9e2be3SAdheer Chandravanshi uint32_t options = 0; 75411e9e2be3SAdheer Chandravanshi int ret = 0; 75421e9e2be3SAdheer Chandravanshi 75431e9e2be3SAdheer Chandravanshi if (fnode_sess->flash_state == DEV_DB_NON_PERSISTENT) { 75441e9e2be3SAdheer Chandravanshi ql4_printk(KERN_ERR, ha, 75451e9e2be3SAdheer Chandravanshi "%s: Target info is not persistent\n", __func__); 75461e9e2be3SAdheer Chandravanshi ret = -EIO; 75471e9e2be3SAdheer Chandravanshi goto exit_ddb_login; 75481e9e2be3SAdheer Chandravanshi } 75491e9e2be3SAdheer Chandravanshi 75501e9e2be3SAdheer Chandravanshi fw_ddb_entry = dma_alloc_coherent(&ha->pdev->dev, sizeof(*fw_ddb_entry), 75511e9e2be3SAdheer Chandravanshi &fw_ddb_entry_dma, GFP_KERNEL); 75521e9e2be3SAdheer Chandravanshi if (!fw_ddb_entry) { 75531e9e2be3SAdheer Chandravanshi DEBUG2(ql4_printk(KERN_ERR, ha, 75541e9e2be3SAdheer Chandravanshi "%s: Unable to allocate dma buffer\n", 75551e9e2be3SAdheer Chandravanshi __func__)); 75561e9e2be3SAdheer Chandravanshi ret = -ENOMEM; 75571e9e2be3SAdheer Chandravanshi goto exit_ddb_login; 75581e9e2be3SAdheer Chandravanshi } 75591e9e2be3SAdheer Chandravanshi 7560c962c18bSAdheer Chandravanshi if (!strncasecmp(fnode_sess->portal_type, PORTAL_TYPE_IPV6, 4)) 75611e9e2be3SAdheer Chandravanshi options |= IPV6_DEFAULT_DDB_ENTRY; 75621e9e2be3SAdheer Chandravanshi 75631e9e2be3SAdheer Chandravanshi ret = qla4xxx_get_default_ddb(ha, options, fw_ddb_entry_dma); 75641e9e2be3SAdheer Chandravanshi if (ret == QLA_ERROR) 75651e9e2be3SAdheer Chandravanshi goto exit_ddb_login; 75661e9e2be3SAdheer Chandravanshi 75671e9e2be3SAdheer Chandravanshi qla4xxx_copy_to_fwddb_param(fnode_sess, fnode_conn, fw_ddb_entry); 75681e9e2be3SAdheer Chandravanshi fw_ddb_entry->cookie = DDB_VALID_COOKIE; 75691e9e2be3SAdheer Chandravanshi 75701e9e2be3SAdheer Chandravanshi if (strlen((char *)fw_ddb_entry->iscsi_name) == 0) 7571ad8bd45eSManish Rangankar ret = qla4xxx_ddb_login_st(ha, fw_ddb_entry, 7572ad8bd45eSManish Rangankar fnode_sess->target_id); 75731e9e2be3SAdheer Chandravanshi else 75741e9e2be3SAdheer Chandravanshi ret = qla4xxx_ddb_login_nt(ha, fw_ddb_entry, 75751e9e2be3SAdheer Chandravanshi fnode_sess->target_id); 75761e9e2be3SAdheer Chandravanshi 75771e9e2be3SAdheer Chandravanshi if (ret > 0) 75781e9e2be3SAdheer Chandravanshi ret = -EIO; 75791e9e2be3SAdheer Chandravanshi 75801e9e2be3SAdheer Chandravanshi exit_ddb_login: 75811e9e2be3SAdheer Chandravanshi if (fw_ddb_entry) 75821e9e2be3SAdheer Chandravanshi dma_free_coherent(&ha->pdev->dev, sizeof(*fw_ddb_entry), 75831e9e2be3SAdheer Chandravanshi fw_ddb_entry, fw_ddb_entry_dma); 75841e9e2be3SAdheer Chandravanshi return ret; 75851e9e2be3SAdheer Chandravanshi } 75861e9e2be3SAdheer Chandravanshi 75871e9e2be3SAdheer Chandravanshi /** 75881e9e2be3SAdheer Chandravanshi * qla4xxx_sysfs_ddb_logout_sid - Logout session for the specified target 75891e9e2be3SAdheer Chandravanshi * @cls_sess: pointer to session to be logged out 75901e9e2be3SAdheer Chandravanshi * 75911e9e2be3SAdheer Chandravanshi * This performs session log out from the specified target 75921e9e2be3SAdheer Chandravanshi **/ 75931e9e2be3SAdheer Chandravanshi static int qla4xxx_sysfs_ddb_logout_sid(struct iscsi_cls_session *cls_sess) 75941e9e2be3SAdheer Chandravanshi { 75951e9e2be3SAdheer Chandravanshi struct iscsi_session *sess; 75961e9e2be3SAdheer Chandravanshi struct ddb_entry *ddb_entry = NULL; 75971e9e2be3SAdheer Chandravanshi struct scsi_qla_host *ha; 75981e9e2be3SAdheer Chandravanshi struct dev_db_entry *fw_ddb_entry = NULL; 75991e9e2be3SAdheer Chandravanshi dma_addr_t fw_ddb_entry_dma; 76001e9e2be3SAdheer Chandravanshi unsigned long flags; 76011e9e2be3SAdheer Chandravanshi unsigned long wtime; 76021e9e2be3SAdheer Chandravanshi uint32_t ddb_state; 76031e9e2be3SAdheer Chandravanshi int options; 76041e9e2be3SAdheer Chandravanshi int ret = 0; 76051e9e2be3SAdheer Chandravanshi 76061e9e2be3SAdheer Chandravanshi sess = cls_sess->dd_data; 76071e9e2be3SAdheer Chandravanshi ddb_entry = sess->dd_data; 76081e9e2be3SAdheer Chandravanshi ha = ddb_entry->ha; 76091e9e2be3SAdheer Chandravanshi 76101e9e2be3SAdheer Chandravanshi if (ddb_entry->ddb_type != FLASH_DDB) { 76111e9e2be3SAdheer Chandravanshi ql4_printk(KERN_ERR, ha, "%s: Not a flash node session\n", 76121e9e2be3SAdheer Chandravanshi __func__); 76131e9e2be3SAdheer Chandravanshi ret = -ENXIO; 76141e9e2be3SAdheer Chandravanshi goto exit_ddb_logout; 76151e9e2be3SAdheer Chandravanshi } 76161e9e2be3SAdheer Chandravanshi 761737719c2aSAdheer Chandravanshi if (test_bit(DF_BOOT_TGT, &ddb_entry->flags)) { 761837719c2aSAdheer Chandravanshi ql4_printk(KERN_ERR, ha, 761937719c2aSAdheer Chandravanshi "%s: Logout from boot target entry is not permitted.\n", 762037719c2aSAdheer Chandravanshi __func__); 762137719c2aSAdheer Chandravanshi ret = -EPERM; 762237719c2aSAdheer Chandravanshi goto exit_ddb_logout; 762337719c2aSAdheer Chandravanshi } 762437719c2aSAdheer Chandravanshi 76251e9e2be3SAdheer Chandravanshi fw_ddb_entry = dma_alloc_coherent(&ha->pdev->dev, sizeof(*fw_ddb_entry), 76261e9e2be3SAdheer Chandravanshi &fw_ddb_entry_dma, GFP_KERNEL); 76271e9e2be3SAdheer Chandravanshi if (!fw_ddb_entry) { 76281e9e2be3SAdheer Chandravanshi ql4_printk(KERN_ERR, ha, 76291e9e2be3SAdheer Chandravanshi "%s: Unable to allocate dma buffer\n", __func__); 76301e9e2be3SAdheer Chandravanshi ret = -ENOMEM; 76311e9e2be3SAdheer Chandravanshi goto exit_ddb_logout; 76321e9e2be3SAdheer Chandravanshi } 76331e9e2be3SAdheer Chandravanshi 763499c6a33bSAdheer Chandravanshi if (test_and_set_bit(DF_DISABLE_RELOGIN, &ddb_entry->flags)) 763599c6a33bSAdheer Chandravanshi goto ddb_logout_init; 763699c6a33bSAdheer Chandravanshi 763799c6a33bSAdheer Chandravanshi ret = qla4xxx_get_fwddb_entry(ha, ddb_entry->fw_ddb_index, 763899c6a33bSAdheer Chandravanshi fw_ddb_entry, fw_ddb_entry_dma, 763999c6a33bSAdheer Chandravanshi NULL, NULL, &ddb_state, NULL, 764099c6a33bSAdheer Chandravanshi NULL, NULL); 764199c6a33bSAdheer Chandravanshi if (ret == QLA_ERROR) 764299c6a33bSAdheer Chandravanshi goto ddb_logout_init; 764399c6a33bSAdheer Chandravanshi 764499c6a33bSAdheer Chandravanshi if (ddb_state == DDB_DS_SESSION_ACTIVE) 764599c6a33bSAdheer Chandravanshi goto ddb_logout_init; 764699c6a33bSAdheer Chandravanshi 764799c6a33bSAdheer Chandravanshi /* wait until next relogin is triggered using DF_RELOGIN and 764899c6a33bSAdheer Chandravanshi * clear DF_RELOGIN to avoid invocation of further relogin 764999c6a33bSAdheer Chandravanshi */ 765099c6a33bSAdheer Chandravanshi wtime = jiffies + (HZ * RELOGIN_TOV); 765199c6a33bSAdheer Chandravanshi do { 765299c6a33bSAdheer Chandravanshi if (test_and_clear_bit(DF_RELOGIN, &ddb_entry->flags)) 765399c6a33bSAdheer Chandravanshi goto ddb_logout_init; 765499c6a33bSAdheer Chandravanshi 765599c6a33bSAdheer Chandravanshi schedule_timeout_uninterruptible(HZ); 765699c6a33bSAdheer Chandravanshi } while ((time_after(wtime, jiffies))); 765799c6a33bSAdheer Chandravanshi 765899c6a33bSAdheer Chandravanshi ddb_logout_init: 765999c6a33bSAdheer Chandravanshi atomic_set(&ddb_entry->retry_relogin_timer, INVALID_ENTRY); 766099c6a33bSAdheer Chandravanshi atomic_set(&ddb_entry->relogin_timer, 0); 766199c6a33bSAdheer Chandravanshi 766299c6a33bSAdheer Chandravanshi options = LOGOUT_OPTION_CLOSE_SESSION; 766399c6a33bSAdheer Chandravanshi qla4xxx_session_logout_ddb(ha, ddb_entry, options); 766499c6a33bSAdheer Chandravanshi 766599c6a33bSAdheer Chandravanshi memset(fw_ddb_entry, 0, sizeof(*fw_ddb_entry)); 76661e9e2be3SAdheer Chandravanshi wtime = jiffies + (HZ * LOGOUT_TOV); 76671e9e2be3SAdheer Chandravanshi do { 76681e9e2be3SAdheer Chandravanshi ret = qla4xxx_get_fwddb_entry(ha, ddb_entry->fw_ddb_index, 76691e9e2be3SAdheer Chandravanshi fw_ddb_entry, fw_ddb_entry_dma, 76701e9e2be3SAdheer Chandravanshi NULL, NULL, &ddb_state, NULL, 76711e9e2be3SAdheer Chandravanshi NULL, NULL); 76721e9e2be3SAdheer Chandravanshi if (ret == QLA_ERROR) 76731e9e2be3SAdheer Chandravanshi goto ddb_logout_clr_sess; 76741e9e2be3SAdheer Chandravanshi 76751e9e2be3SAdheer Chandravanshi if ((ddb_state == DDB_DS_NO_CONNECTION_ACTIVE) || 76761e9e2be3SAdheer Chandravanshi (ddb_state == DDB_DS_SESSION_FAILED)) 76771e9e2be3SAdheer Chandravanshi goto ddb_logout_clr_sess; 76781e9e2be3SAdheer Chandravanshi 76791e9e2be3SAdheer Chandravanshi schedule_timeout_uninterruptible(HZ); 76801e9e2be3SAdheer Chandravanshi } while ((time_after(wtime, jiffies))); 76811e9e2be3SAdheer Chandravanshi 76821e9e2be3SAdheer Chandravanshi ddb_logout_clr_sess: 76831e9e2be3SAdheer Chandravanshi qla4xxx_clear_ddb_entry(ha, ddb_entry->fw_ddb_index); 76841e9e2be3SAdheer Chandravanshi /* 76851e9e2be3SAdheer Chandravanshi * we have decremented the reference count of the driver 76861e9e2be3SAdheer Chandravanshi * when we setup the session to have the driver unload 76871e9e2be3SAdheer Chandravanshi * to be seamless without actually destroying the 76881e9e2be3SAdheer Chandravanshi * session 76891e9e2be3SAdheer Chandravanshi **/ 76901e9e2be3SAdheer Chandravanshi try_module_get(qla4xxx_iscsi_transport.owner); 76911e9e2be3SAdheer Chandravanshi iscsi_destroy_endpoint(ddb_entry->conn->ep); 76921e9e2be3SAdheer Chandravanshi 76931e9e2be3SAdheer Chandravanshi spin_lock_irqsave(&ha->hardware_lock, flags); 76941e9e2be3SAdheer Chandravanshi qla4xxx_free_ddb(ha, ddb_entry); 769599c6a33bSAdheer Chandravanshi clear_bit(ddb_entry->fw_ddb_index, ha->ddb_idx_map); 76961e9e2be3SAdheer Chandravanshi spin_unlock_irqrestore(&ha->hardware_lock, flags); 76971e9e2be3SAdheer Chandravanshi 76981e9e2be3SAdheer Chandravanshi iscsi_session_teardown(ddb_entry->sess); 76991e9e2be3SAdheer Chandravanshi 770099c6a33bSAdheer Chandravanshi clear_bit(DF_DISABLE_RELOGIN, &ddb_entry->flags); 77011e9e2be3SAdheer Chandravanshi ret = QLA_SUCCESS; 77021e9e2be3SAdheer Chandravanshi 77031e9e2be3SAdheer Chandravanshi exit_ddb_logout: 77041e9e2be3SAdheer Chandravanshi if (fw_ddb_entry) 77051e9e2be3SAdheer Chandravanshi dma_free_coherent(&ha->pdev->dev, sizeof(*fw_ddb_entry), 77061e9e2be3SAdheer Chandravanshi fw_ddb_entry, fw_ddb_entry_dma); 77071e9e2be3SAdheer Chandravanshi return ret; 77081e9e2be3SAdheer Chandravanshi } 77091e9e2be3SAdheer Chandravanshi 77101e9e2be3SAdheer Chandravanshi /** 77111e9e2be3SAdheer Chandravanshi * qla4xxx_sysfs_ddb_logout - Logout from the specified target 77121e9e2be3SAdheer Chandravanshi * @fnode_sess: pointer to session attrs of flash ddb entry 77131e9e2be3SAdheer Chandravanshi * @fnode_conn: pointer to connection attrs of flash ddb entry 77141e9e2be3SAdheer Chandravanshi * 77151e9e2be3SAdheer Chandravanshi * This performs log out from the specified target 77161e9e2be3SAdheer Chandravanshi **/ 77171e9e2be3SAdheer Chandravanshi static int qla4xxx_sysfs_ddb_logout(struct iscsi_bus_flash_session *fnode_sess, 77181e9e2be3SAdheer Chandravanshi struct iscsi_bus_flash_conn *fnode_conn) 77191e9e2be3SAdheer Chandravanshi { 77201e9e2be3SAdheer Chandravanshi struct Scsi_Host *shost = iscsi_flash_session_to_shost(fnode_sess); 77211e9e2be3SAdheer Chandravanshi struct scsi_qla_host *ha = to_qla_host(shost); 77221e9e2be3SAdheer Chandravanshi struct ql4_tuple_ddb *flash_tddb = NULL; 77231e9e2be3SAdheer Chandravanshi struct ql4_tuple_ddb *tmp_tddb = NULL; 77241e9e2be3SAdheer Chandravanshi struct dev_db_entry *fw_ddb_entry = NULL; 77251e9e2be3SAdheer Chandravanshi struct ddb_entry *ddb_entry = NULL; 77261e9e2be3SAdheer Chandravanshi dma_addr_t fw_ddb_dma; 77271e9e2be3SAdheer Chandravanshi uint32_t next_idx = 0; 77281e9e2be3SAdheer Chandravanshi uint32_t state = 0, conn_err = 0; 77291e9e2be3SAdheer Chandravanshi uint16_t conn_id = 0; 77301e9e2be3SAdheer Chandravanshi int idx, index; 77311e9e2be3SAdheer Chandravanshi int status, ret = 0; 77321e9e2be3SAdheer Chandravanshi 77331e9e2be3SAdheer Chandravanshi fw_ddb_entry = dma_pool_alloc(ha->fw_ddb_dma_pool, GFP_KERNEL, 77341e9e2be3SAdheer Chandravanshi &fw_ddb_dma); 77351e9e2be3SAdheer Chandravanshi if (fw_ddb_entry == NULL) { 77361e9e2be3SAdheer Chandravanshi ql4_printk(KERN_ERR, ha, "%s:Out of memory\n", __func__); 77371e9e2be3SAdheer Chandravanshi ret = -ENOMEM; 77381e9e2be3SAdheer Chandravanshi goto exit_ddb_logout; 77391e9e2be3SAdheer Chandravanshi } 77401e9e2be3SAdheer Chandravanshi 77411e9e2be3SAdheer Chandravanshi flash_tddb = vzalloc(sizeof(*flash_tddb)); 77421e9e2be3SAdheer Chandravanshi if (!flash_tddb) { 77431e9e2be3SAdheer Chandravanshi ql4_printk(KERN_WARNING, ha, 77441e9e2be3SAdheer Chandravanshi "%s:Memory Allocation failed.\n", __func__); 77451e9e2be3SAdheer Chandravanshi ret = -ENOMEM; 77461e9e2be3SAdheer Chandravanshi goto exit_ddb_logout; 77471e9e2be3SAdheer Chandravanshi } 77481e9e2be3SAdheer Chandravanshi 77491e9e2be3SAdheer Chandravanshi tmp_tddb = vzalloc(sizeof(*tmp_tddb)); 77501e9e2be3SAdheer Chandravanshi if (!tmp_tddb) { 77511e9e2be3SAdheer Chandravanshi ql4_printk(KERN_WARNING, ha, 77521e9e2be3SAdheer Chandravanshi "%s:Memory Allocation failed.\n", __func__); 77531e9e2be3SAdheer Chandravanshi ret = -ENOMEM; 77541e9e2be3SAdheer Chandravanshi goto exit_ddb_logout; 77551e9e2be3SAdheer Chandravanshi } 77561e9e2be3SAdheer Chandravanshi 77571e9e2be3SAdheer Chandravanshi if (!fnode_sess->targetname) { 77581e9e2be3SAdheer Chandravanshi ql4_printk(KERN_ERR, ha, 77591e9e2be3SAdheer Chandravanshi "%s:Cannot logout from SendTarget entry\n", 77601e9e2be3SAdheer Chandravanshi __func__); 77611e9e2be3SAdheer Chandravanshi ret = -EPERM; 77621e9e2be3SAdheer Chandravanshi goto exit_ddb_logout; 77631e9e2be3SAdheer Chandravanshi } 77641e9e2be3SAdheer Chandravanshi 77651e9e2be3SAdheer Chandravanshi if (fnode_sess->is_boot_target) { 77661e9e2be3SAdheer Chandravanshi ql4_printk(KERN_ERR, ha, 77671e9e2be3SAdheer Chandravanshi "%s: Logout from boot target entry is not permitted.\n", 77681e9e2be3SAdheer Chandravanshi __func__); 77691e9e2be3SAdheer Chandravanshi ret = -EPERM; 77701e9e2be3SAdheer Chandravanshi goto exit_ddb_logout; 77711e9e2be3SAdheer Chandravanshi } 77721e9e2be3SAdheer Chandravanshi 7773bdbb9662SRickard Strandqvist strlcpy(flash_tddb->iscsi_name, fnode_sess->targetname, 77741e9e2be3SAdheer Chandravanshi ISCSI_NAME_SIZE); 77751e9e2be3SAdheer Chandravanshi 7776c962c18bSAdheer Chandravanshi if (!strncmp(fnode_sess->portal_type, PORTAL_TYPE_IPV6, 4)) 77771e9e2be3SAdheer Chandravanshi sprintf(flash_tddb->ip_addr, "%pI6", fnode_conn->ipaddress); 77781e9e2be3SAdheer Chandravanshi else 77791e9e2be3SAdheer Chandravanshi sprintf(flash_tddb->ip_addr, "%pI4", fnode_conn->ipaddress); 77801e9e2be3SAdheer Chandravanshi 77811e9e2be3SAdheer Chandravanshi flash_tddb->tpgt = fnode_sess->tpgt; 77821e9e2be3SAdheer Chandravanshi flash_tddb->port = fnode_conn->port; 77831e9e2be3SAdheer Chandravanshi 77841e9e2be3SAdheer Chandravanshi COPY_ISID(flash_tddb->isid, fnode_sess->isid); 77851e9e2be3SAdheer Chandravanshi 77861e9e2be3SAdheer Chandravanshi for (idx = 0; idx < MAX_DDB_ENTRIES; idx++) { 77871e9e2be3SAdheer Chandravanshi ddb_entry = qla4xxx_lookup_ddb_by_fw_index(ha, idx); 77881e9e2be3SAdheer Chandravanshi if (ddb_entry == NULL) 77891e9e2be3SAdheer Chandravanshi continue; 77901e9e2be3SAdheer Chandravanshi 77911e9e2be3SAdheer Chandravanshi if (ddb_entry->ddb_type != FLASH_DDB) 77921e9e2be3SAdheer Chandravanshi continue; 77931e9e2be3SAdheer Chandravanshi 77941e9e2be3SAdheer Chandravanshi index = ddb_entry->sess->target_id; 77951e9e2be3SAdheer Chandravanshi status = qla4xxx_get_fwddb_entry(ha, index, fw_ddb_entry, 77961e9e2be3SAdheer Chandravanshi fw_ddb_dma, NULL, &next_idx, 77971e9e2be3SAdheer Chandravanshi &state, &conn_err, NULL, 77981e9e2be3SAdheer Chandravanshi &conn_id); 77991e9e2be3SAdheer Chandravanshi if (status == QLA_ERROR) { 78001e9e2be3SAdheer Chandravanshi ret = -ENOMEM; 78011e9e2be3SAdheer Chandravanshi break; 78021e9e2be3SAdheer Chandravanshi } 78031e9e2be3SAdheer Chandravanshi 78041e9e2be3SAdheer Chandravanshi qla4xxx_convert_param_ddb(fw_ddb_entry, tmp_tddb, NULL); 78051e9e2be3SAdheer Chandravanshi 78061e9e2be3SAdheer Chandravanshi status = qla4xxx_compare_tuple_ddb(ha, flash_tddb, tmp_tddb, 78071e9e2be3SAdheer Chandravanshi true); 78081e9e2be3SAdheer Chandravanshi if (status == QLA_SUCCESS) { 78091e9e2be3SAdheer Chandravanshi ret = qla4xxx_sysfs_ddb_logout_sid(ddb_entry->sess); 78101e9e2be3SAdheer Chandravanshi break; 78111e9e2be3SAdheer Chandravanshi } 78121e9e2be3SAdheer Chandravanshi } 78131e9e2be3SAdheer Chandravanshi 78141e9e2be3SAdheer Chandravanshi if (idx == MAX_DDB_ENTRIES) 78151e9e2be3SAdheer Chandravanshi ret = -ESRCH; 78161e9e2be3SAdheer Chandravanshi 78171e9e2be3SAdheer Chandravanshi exit_ddb_logout: 78181e9e2be3SAdheer Chandravanshi if (flash_tddb) 78191e9e2be3SAdheer Chandravanshi vfree(flash_tddb); 78201e9e2be3SAdheer Chandravanshi if (tmp_tddb) 78211e9e2be3SAdheer Chandravanshi vfree(tmp_tddb); 78221e9e2be3SAdheer Chandravanshi if (fw_ddb_entry) 78231e9e2be3SAdheer Chandravanshi dma_pool_free(ha->fw_ddb_dma_pool, fw_ddb_entry, fw_ddb_dma); 78241e9e2be3SAdheer Chandravanshi 78251e9e2be3SAdheer Chandravanshi return ret; 78261e9e2be3SAdheer Chandravanshi } 78271e9e2be3SAdheer Chandravanshi 78281e9e2be3SAdheer Chandravanshi static int 78291e9e2be3SAdheer Chandravanshi qla4xxx_sysfs_ddb_get_param(struct iscsi_bus_flash_session *fnode_sess, 78301e9e2be3SAdheer Chandravanshi int param, char *buf) 78311e9e2be3SAdheer Chandravanshi { 78321e9e2be3SAdheer Chandravanshi struct Scsi_Host *shost = iscsi_flash_session_to_shost(fnode_sess); 78331e9e2be3SAdheer Chandravanshi struct scsi_qla_host *ha = to_qla_host(shost); 78341e9e2be3SAdheer Chandravanshi struct iscsi_bus_flash_conn *fnode_conn; 78351e9e2be3SAdheer Chandravanshi struct ql4_chap_table chap_tbl; 78361e9e2be3SAdheer Chandravanshi struct device *dev; 7837a2f76636SAdheer Chandravanshi int parent_type; 78381e9e2be3SAdheer Chandravanshi int rc = 0; 78391e9e2be3SAdheer Chandravanshi 78408526cb11SMike Christie dev = iscsi_find_flashnode_conn(fnode_sess); 78411e9e2be3SAdheer Chandravanshi if (!dev) 78421e9e2be3SAdheer Chandravanshi return -EIO; 78431e9e2be3SAdheer Chandravanshi 78441e9e2be3SAdheer Chandravanshi fnode_conn = iscsi_dev_to_flash_conn(dev); 78451e9e2be3SAdheer Chandravanshi 78461e9e2be3SAdheer Chandravanshi switch (param) { 78471e9e2be3SAdheer Chandravanshi case ISCSI_FLASHNODE_IS_FW_ASSIGNED_IPV6: 78481e9e2be3SAdheer Chandravanshi rc = sprintf(buf, "%u\n", fnode_conn->is_fw_assigned_ipv6); 78491e9e2be3SAdheer Chandravanshi break; 78501e9e2be3SAdheer Chandravanshi case ISCSI_FLASHNODE_PORTAL_TYPE: 78511e9e2be3SAdheer Chandravanshi rc = sprintf(buf, "%s\n", fnode_sess->portal_type); 78521e9e2be3SAdheer Chandravanshi break; 78531e9e2be3SAdheer Chandravanshi case ISCSI_FLASHNODE_AUTO_SND_TGT_DISABLE: 78541e9e2be3SAdheer Chandravanshi rc = sprintf(buf, "%u\n", fnode_sess->auto_snd_tgt_disable); 78551e9e2be3SAdheer Chandravanshi break; 78561e9e2be3SAdheer Chandravanshi case ISCSI_FLASHNODE_DISCOVERY_SESS: 78571e9e2be3SAdheer Chandravanshi rc = sprintf(buf, "%u\n", fnode_sess->discovery_sess); 78581e9e2be3SAdheer Chandravanshi break; 78591e9e2be3SAdheer Chandravanshi case ISCSI_FLASHNODE_ENTRY_EN: 78601e9e2be3SAdheer Chandravanshi rc = sprintf(buf, "%u\n", fnode_sess->entry_state); 78611e9e2be3SAdheer Chandravanshi break; 78621e9e2be3SAdheer Chandravanshi case ISCSI_FLASHNODE_HDR_DGST_EN: 78631e9e2be3SAdheer Chandravanshi rc = sprintf(buf, "%u\n", fnode_conn->hdrdgst_en); 78641e9e2be3SAdheer Chandravanshi break; 78651e9e2be3SAdheer Chandravanshi case ISCSI_FLASHNODE_DATA_DGST_EN: 78661e9e2be3SAdheer Chandravanshi rc = sprintf(buf, "%u\n", fnode_conn->datadgst_en); 78671e9e2be3SAdheer Chandravanshi break; 78681e9e2be3SAdheer Chandravanshi case ISCSI_FLASHNODE_IMM_DATA_EN: 78691e9e2be3SAdheer Chandravanshi rc = sprintf(buf, "%u\n", fnode_sess->imm_data_en); 78701e9e2be3SAdheer Chandravanshi break; 78711e9e2be3SAdheer Chandravanshi case ISCSI_FLASHNODE_INITIAL_R2T_EN: 78721e9e2be3SAdheer Chandravanshi rc = sprintf(buf, "%u\n", fnode_sess->initial_r2t_en); 78731e9e2be3SAdheer Chandravanshi break; 78741e9e2be3SAdheer Chandravanshi case ISCSI_FLASHNODE_DATASEQ_INORDER: 78751e9e2be3SAdheer Chandravanshi rc = sprintf(buf, "%u\n", fnode_sess->dataseq_inorder_en); 78761e9e2be3SAdheer Chandravanshi break; 78771e9e2be3SAdheer Chandravanshi case ISCSI_FLASHNODE_PDU_INORDER: 78781e9e2be3SAdheer Chandravanshi rc = sprintf(buf, "%u\n", fnode_sess->pdu_inorder_en); 78791e9e2be3SAdheer Chandravanshi break; 78801e9e2be3SAdheer Chandravanshi case ISCSI_FLASHNODE_CHAP_AUTH_EN: 78811e9e2be3SAdheer Chandravanshi rc = sprintf(buf, "%u\n", fnode_sess->chap_auth_en); 78821e9e2be3SAdheer Chandravanshi break; 78831e9e2be3SAdheer Chandravanshi case ISCSI_FLASHNODE_SNACK_REQ_EN: 78841e9e2be3SAdheer Chandravanshi rc = sprintf(buf, "%u\n", fnode_conn->snack_req_en); 78851e9e2be3SAdheer Chandravanshi break; 78861e9e2be3SAdheer Chandravanshi case ISCSI_FLASHNODE_DISCOVERY_LOGOUT_EN: 78871e9e2be3SAdheer Chandravanshi rc = sprintf(buf, "%u\n", fnode_sess->discovery_logout_en); 78881e9e2be3SAdheer Chandravanshi break; 78891e9e2be3SAdheer Chandravanshi case ISCSI_FLASHNODE_BIDI_CHAP_EN: 78901e9e2be3SAdheer Chandravanshi rc = sprintf(buf, "%u\n", fnode_sess->bidi_chap_en); 78911e9e2be3SAdheer Chandravanshi break; 78921e9e2be3SAdheer Chandravanshi case ISCSI_FLASHNODE_DISCOVERY_AUTH_OPTIONAL: 78931e9e2be3SAdheer Chandravanshi rc = sprintf(buf, "%u\n", fnode_sess->discovery_auth_optional); 78941e9e2be3SAdheer Chandravanshi break; 78951e9e2be3SAdheer Chandravanshi case ISCSI_FLASHNODE_ERL: 78961e9e2be3SAdheer Chandravanshi rc = sprintf(buf, "%u\n", fnode_sess->erl); 78971e9e2be3SAdheer Chandravanshi break; 78981e9e2be3SAdheer Chandravanshi case ISCSI_FLASHNODE_TCP_TIMESTAMP_STAT: 78991e9e2be3SAdheer Chandravanshi rc = sprintf(buf, "%u\n", fnode_conn->tcp_timestamp_stat); 79001e9e2be3SAdheer Chandravanshi break; 79011e9e2be3SAdheer Chandravanshi case ISCSI_FLASHNODE_TCP_NAGLE_DISABLE: 79021e9e2be3SAdheer Chandravanshi rc = sprintf(buf, "%u\n", fnode_conn->tcp_nagle_disable); 79031e9e2be3SAdheer Chandravanshi break; 79041e9e2be3SAdheer Chandravanshi case ISCSI_FLASHNODE_TCP_WSF_DISABLE: 79051e9e2be3SAdheer Chandravanshi rc = sprintf(buf, "%u\n", fnode_conn->tcp_wsf_disable); 79061e9e2be3SAdheer Chandravanshi break; 79071e9e2be3SAdheer Chandravanshi case ISCSI_FLASHNODE_TCP_TIMER_SCALE: 79081e9e2be3SAdheer Chandravanshi rc = sprintf(buf, "%u\n", fnode_conn->tcp_timer_scale); 79091e9e2be3SAdheer Chandravanshi break; 79101e9e2be3SAdheer Chandravanshi case ISCSI_FLASHNODE_TCP_TIMESTAMP_EN: 79111e9e2be3SAdheer Chandravanshi rc = sprintf(buf, "%u\n", fnode_conn->tcp_timestamp_en); 79121e9e2be3SAdheer Chandravanshi break; 79131e9e2be3SAdheer Chandravanshi case ISCSI_FLASHNODE_IP_FRAG_DISABLE: 79141e9e2be3SAdheer Chandravanshi rc = sprintf(buf, "%u\n", fnode_conn->fragment_disable); 79151e9e2be3SAdheer Chandravanshi break; 79161e9e2be3SAdheer Chandravanshi case ISCSI_FLASHNODE_MAX_RECV_DLENGTH: 79171e9e2be3SAdheer Chandravanshi rc = sprintf(buf, "%u\n", fnode_conn->max_recv_dlength); 79181e9e2be3SAdheer Chandravanshi break; 79191e9e2be3SAdheer Chandravanshi case ISCSI_FLASHNODE_MAX_XMIT_DLENGTH: 79201e9e2be3SAdheer Chandravanshi rc = sprintf(buf, "%u\n", fnode_conn->max_xmit_dlength); 79211e9e2be3SAdheer Chandravanshi break; 79221e9e2be3SAdheer Chandravanshi case ISCSI_FLASHNODE_FIRST_BURST: 79231e9e2be3SAdheer Chandravanshi rc = sprintf(buf, "%u\n", fnode_sess->first_burst); 79241e9e2be3SAdheer Chandravanshi break; 79251e9e2be3SAdheer Chandravanshi case ISCSI_FLASHNODE_DEF_TIME2WAIT: 79261e9e2be3SAdheer Chandravanshi rc = sprintf(buf, "%u\n", fnode_sess->time2wait); 79271e9e2be3SAdheer Chandravanshi break; 79281e9e2be3SAdheer Chandravanshi case ISCSI_FLASHNODE_DEF_TIME2RETAIN: 79291e9e2be3SAdheer Chandravanshi rc = sprintf(buf, "%u\n", fnode_sess->time2retain); 79301e9e2be3SAdheer Chandravanshi break; 79311e9e2be3SAdheer Chandravanshi case ISCSI_FLASHNODE_MAX_R2T: 79321e9e2be3SAdheer Chandravanshi rc = sprintf(buf, "%u\n", fnode_sess->max_r2t); 79331e9e2be3SAdheer Chandravanshi break; 79341e9e2be3SAdheer Chandravanshi case ISCSI_FLASHNODE_KEEPALIVE_TMO: 79351e9e2be3SAdheer Chandravanshi rc = sprintf(buf, "%u\n", fnode_conn->keepalive_timeout); 79361e9e2be3SAdheer Chandravanshi break; 79371e9e2be3SAdheer Chandravanshi case ISCSI_FLASHNODE_ISID: 7938d1d81bd0SOleksandr Khoshaba rc = sprintf(buf, "%pm\n", fnode_sess->isid); 79391e9e2be3SAdheer Chandravanshi break; 79401e9e2be3SAdheer Chandravanshi case ISCSI_FLASHNODE_TSID: 79411e9e2be3SAdheer Chandravanshi rc = sprintf(buf, "%u\n", fnode_sess->tsid); 79421e9e2be3SAdheer Chandravanshi break; 79431e9e2be3SAdheer Chandravanshi case ISCSI_FLASHNODE_PORT: 79441e9e2be3SAdheer Chandravanshi rc = sprintf(buf, "%d\n", fnode_conn->port); 79451e9e2be3SAdheer Chandravanshi break; 79461e9e2be3SAdheer Chandravanshi case ISCSI_FLASHNODE_MAX_BURST: 79471e9e2be3SAdheer Chandravanshi rc = sprintf(buf, "%u\n", fnode_sess->max_burst); 79481e9e2be3SAdheer Chandravanshi break; 79491e9e2be3SAdheer Chandravanshi case ISCSI_FLASHNODE_DEF_TASKMGMT_TMO: 79501e9e2be3SAdheer Chandravanshi rc = sprintf(buf, "%u\n", 79511e9e2be3SAdheer Chandravanshi fnode_sess->default_taskmgmt_timeout); 79521e9e2be3SAdheer Chandravanshi break; 79531e9e2be3SAdheer Chandravanshi case ISCSI_FLASHNODE_IPADDR: 7954c962c18bSAdheer Chandravanshi if (!strncmp(fnode_sess->portal_type, PORTAL_TYPE_IPV6, 4)) 79551e9e2be3SAdheer Chandravanshi rc = sprintf(buf, "%pI6\n", fnode_conn->ipaddress); 79561e9e2be3SAdheer Chandravanshi else 79571e9e2be3SAdheer Chandravanshi rc = sprintf(buf, "%pI4\n", fnode_conn->ipaddress); 79581e9e2be3SAdheer Chandravanshi break; 79591e9e2be3SAdheer Chandravanshi case ISCSI_FLASHNODE_ALIAS: 79601e9e2be3SAdheer Chandravanshi if (fnode_sess->targetalias) 79611e9e2be3SAdheer Chandravanshi rc = sprintf(buf, "%s\n", fnode_sess->targetalias); 79621e9e2be3SAdheer Chandravanshi else 79631e9e2be3SAdheer Chandravanshi rc = sprintf(buf, "\n"); 79641e9e2be3SAdheer Chandravanshi break; 79651e9e2be3SAdheer Chandravanshi case ISCSI_FLASHNODE_REDIRECT_IPADDR: 7966c962c18bSAdheer Chandravanshi if (!strncmp(fnode_sess->portal_type, PORTAL_TYPE_IPV6, 4)) 79671e9e2be3SAdheer Chandravanshi rc = sprintf(buf, "%pI6\n", 79681e9e2be3SAdheer Chandravanshi fnode_conn->redirect_ipaddr); 79691e9e2be3SAdheer Chandravanshi else 79701e9e2be3SAdheer Chandravanshi rc = sprintf(buf, "%pI4\n", 79711e9e2be3SAdheer Chandravanshi fnode_conn->redirect_ipaddr); 79721e9e2be3SAdheer Chandravanshi break; 79731e9e2be3SAdheer Chandravanshi case ISCSI_FLASHNODE_MAX_SEGMENT_SIZE: 79741e9e2be3SAdheer Chandravanshi rc = sprintf(buf, "%u\n", fnode_conn->max_segment_size); 79751e9e2be3SAdheer Chandravanshi break; 79761e9e2be3SAdheer Chandravanshi case ISCSI_FLASHNODE_LOCAL_PORT: 79771e9e2be3SAdheer Chandravanshi rc = sprintf(buf, "%u\n", fnode_conn->local_port); 79781e9e2be3SAdheer Chandravanshi break; 79791e9e2be3SAdheer Chandravanshi case ISCSI_FLASHNODE_IPV4_TOS: 79801e9e2be3SAdheer Chandravanshi rc = sprintf(buf, "%u\n", fnode_conn->ipv4_tos); 79811e9e2be3SAdheer Chandravanshi break; 79821e9e2be3SAdheer Chandravanshi case ISCSI_FLASHNODE_IPV6_TC: 7983c962c18bSAdheer Chandravanshi if (!strncmp(fnode_sess->portal_type, PORTAL_TYPE_IPV6, 4)) 79841e9e2be3SAdheer Chandravanshi rc = sprintf(buf, "%u\n", 79851e9e2be3SAdheer Chandravanshi fnode_conn->ipv6_traffic_class); 79861e9e2be3SAdheer Chandravanshi else 79871e9e2be3SAdheer Chandravanshi rc = sprintf(buf, "\n"); 79881e9e2be3SAdheer Chandravanshi break; 79891e9e2be3SAdheer Chandravanshi case ISCSI_FLASHNODE_IPV6_FLOW_LABEL: 79901e9e2be3SAdheer Chandravanshi rc = sprintf(buf, "%u\n", fnode_conn->ipv6_flow_label); 79911e9e2be3SAdheer Chandravanshi break; 79921e9e2be3SAdheer Chandravanshi case ISCSI_FLASHNODE_LINK_LOCAL_IPV6: 7993c962c18bSAdheer Chandravanshi if (!strncmp(fnode_sess->portal_type, PORTAL_TYPE_IPV6, 4)) 79941e9e2be3SAdheer Chandravanshi rc = sprintf(buf, "%pI6\n", 79951e9e2be3SAdheer Chandravanshi fnode_conn->link_local_ipv6_addr); 79961e9e2be3SAdheer Chandravanshi else 79971e9e2be3SAdheer Chandravanshi rc = sprintf(buf, "\n"); 79981e9e2be3SAdheer Chandravanshi break; 79991e9e2be3SAdheer Chandravanshi case ISCSI_FLASHNODE_DISCOVERY_PARENT_IDX: 8000a2f76636SAdheer Chandravanshi rc = sprintf(buf, "%u\n", fnode_sess->discovery_parent_idx); 80011e9e2be3SAdheer Chandravanshi break; 80021e9e2be3SAdheer Chandravanshi case ISCSI_FLASHNODE_DISCOVERY_PARENT_TYPE: 80031e9e2be3SAdheer Chandravanshi if (fnode_sess->discovery_parent_type == DDB_ISNS) 80041e9e2be3SAdheer Chandravanshi parent_type = ISCSI_DISC_PARENT_ISNS; 80051e9e2be3SAdheer Chandravanshi else if (fnode_sess->discovery_parent_type == DDB_NO_LINK) 80061e9e2be3SAdheer Chandravanshi parent_type = ISCSI_DISC_PARENT_UNKNOWN; 8007b6130ceaSVikas Chaudhary else if (fnode_sess->discovery_parent_type < MAX_DDB_ENTRIES) 80081e9e2be3SAdheer Chandravanshi parent_type = ISCSI_DISC_PARENT_SENDTGT; 80091e9e2be3SAdheer Chandravanshi else 80101e9e2be3SAdheer Chandravanshi parent_type = ISCSI_DISC_PARENT_UNKNOWN; 80111e9e2be3SAdheer Chandravanshi 80121e9e2be3SAdheer Chandravanshi rc = sprintf(buf, "%s\n", 80131e9e2be3SAdheer Chandravanshi iscsi_get_discovery_parent_name(parent_type)); 80141e9e2be3SAdheer Chandravanshi break; 80151e9e2be3SAdheer Chandravanshi case ISCSI_FLASHNODE_NAME: 80161e9e2be3SAdheer Chandravanshi if (fnode_sess->targetname) 80171e9e2be3SAdheer Chandravanshi rc = sprintf(buf, "%s\n", fnode_sess->targetname); 80181e9e2be3SAdheer Chandravanshi else 80191e9e2be3SAdheer Chandravanshi rc = sprintf(buf, "\n"); 80201e9e2be3SAdheer Chandravanshi break; 80211e9e2be3SAdheer Chandravanshi case ISCSI_FLASHNODE_TPGT: 80221e9e2be3SAdheer Chandravanshi rc = sprintf(buf, "%u\n", fnode_sess->tpgt); 80231e9e2be3SAdheer Chandravanshi break; 80241e9e2be3SAdheer Chandravanshi case ISCSI_FLASHNODE_TCP_XMIT_WSF: 80251e9e2be3SAdheer Chandravanshi rc = sprintf(buf, "%u\n", fnode_conn->tcp_xmit_wsf); 80261e9e2be3SAdheer Chandravanshi break; 80271e9e2be3SAdheer Chandravanshi case ISCSI_FLASHNODE_TCP_RECV_WSF: 80281e9e2be3SAdheer Chandravanshi rc = sprintf(buf, "%u\n", fnode_conn->tcp_recv_wsf); 80291e9e2be3SAdheer Chandravanshi break; 80301e9e2be3SAdheer Chandravanshi case ISCSI_FLASHNODE_CHAP_OUT_IDX: 80311e9e2be3SAdheer Chandravanshi rc = sprintf(buf, "%u\n", fnode_sess->chap_out_idx); 80321e9e2be3SAdheer Chandravanshi break; 80331e9e2be3SAdheer Chandravanshi case ISCSI_FLASHNODE_USERNAME: 80341e9e2be3SAdheer Chandravanshi if (fnode_sess->chap_auth_en) { 80351e9e2be3SAdheer Chandravanshi qla4xxx_get_uni_chap_at_index(ha, 80361e9e2be3SAdheer Chandravanshi chap_tbl.name, 80371e9e2be3SAdheer Chandravanshi chap_tbl.secret, 80381e9e2be3SAdheer Chandravanshi fnode_sess->chap_out_idx); 80391e9e2be3SAdheer Chandravanshi rc = sprintf(buf, "%s\n", chap_tbl.name); 80401e9e2be3SAdheer Chandravanshi } else { 80411e9e2be3SAdheer Chandravanshi rc = sprintf(buf, "\n"); 80421e9e2be3SAdheer Chandravanshi } 80431e9e2be3SAdheer Chandravanshi break; 80441e9e2be3SAdheer Chandravanshi case ISCSI_FLASHNODE_PASSWORD: 80451e9e2be3SAdheer Chandravanshi if (fnode_sess->chap_auth_en) { 80461e9e2be3SAdheer Chandravanshi qla4xxx_get_uni_chap_at_index(ha, 80471e9e2be3SAdheer Chandravanshi chap_tbl.name, 80481e9e2be3SAdheer Chandravanshi chap_tbl.secret, 80491e9e2be3SAdheer Chandravanshi fnode_sess->chap_out_idx); 80501e9e2be3SAdheer Chandravanshi rc = sprintf(buf, "%s\n", chap_tbl.secret); 80511e9e2be3SAdheer Chandravanshi } else { 80521e9e2be3SAdheer Chandravanshi rc = sprintf(buf, "\n"); 80531e9e2be3SAdheer Chandravanshi } 80541e9e2be3SAdheer Chandravanshi break; 80551e9e2be3SAdheer Chandravanshi case ISCSI_FLASHNODE_STATSN: 80561e9e2be3SAdheer Chandravanshi rc = sprintf(buf, "%u\n", fnode_conn->statsn); 80571e9e2be3SAdheer Chandravanshi break; 80581e9e2be3SAdheer Chandravanshi case ISCSI_FLASHNODE_EXP_STATSN: 80591e9e2be3SAdheer Chandravanshi rc = sprintf(buf, "%u\n", fnode_conn->exp_statsn); 80601e9e2be3SAdheer Chandravanshi break; 80611e9e2be3SAdheer Chandravanshi case ISCSI_FLASHNODE_IS_BOOT_TGT: 80621e9e2be3SAdheer Chandravanshi rc = sprintf(buf, "%u\n", fnode_sess->is_boot_target); 80631e9e2be3SAdheer Chandravanshi break; 80641e9e2be3SAdheer Chandravanshi default: 80651e9e2be3SAdheer Chandravanshi rc = -ENOSYS; 80661e9e2be3SAdheer Chandravanshi break; 80671e9e2be3SAdheer Chandravanshi } 80688526cb11SMike Christie 80698526cb11SMike Christie put_device(dev); 80701e9e2be3SAdheer Chandravanshi return rc; 80711e9e2be3SAdheer Chandravanshi } 80721e9e2be3SAdheer Chandravanshi 80731e9e2be3SAdheer Chandravanshi /** 80741e9e2be3SAdheer Chandravanshi * qla4xxx_sysfs_ddb_set_param - Set parameter for firmware DDB entry 80751e9e2be3SAdheer Chandravanshi * @fnode_sess: pointer to session attrs of flash ddb entry 80761e9e2be3SAdheer Chandravanshi * @fnode_conn: pointer to connection attrs of flash ddb entry 80771e9e2be3SAdheer Chandravanshi * @data: Parameters and their values to update 80781e9e2be3SAdheer Chandravanshi * @len: len of data 80791e9e2be3SAdheer Chandravanshi * 80801e9e2be3SAdheer Chandravanshi * This sets the parameter of flash ddb entry and writes them to flash 80811e9e2be3SAdheer Chandravanshi **/ 80821e9e2be3SAdheer Chandravanshi static int 80831e9e2be3SAdheer Chandravanshi qla4xxx_sysfs_ddb_set_param(struct iscsi_bus_flash_session *fnode_sess, 80841e9e2be3SAdheer Chandravanshi struct iscsi_bus_flash_conn *fnode_conn, 80851e9e2be3SAdheer Chandravanshi void *data, int len) 80861e9e2be3SAdheer Chandravanshi { 80871e9e2be3SAdheer Chandravanshi struct Scsi_Host *shost = iscsi_flash_session_to_shost(fnode_sess); 80881e9e2be3SAdheer Chandravanshi struct scsi_qla_host *ha = to_qla_host(shost); 80891e9e2be3SAdheer Chandravanshi struct iscsi_flashnode_param_info *fnode_param; 8090244c079bSAdheer Chandravanshi struct ql4_chap_table chap_tbl; 80911e9e2be3SAdheer Chandravanshi struct nlattr *attr; 8092244c079bSAdheer Chandravanshi uint16_t chap_out_idx = INVALID_ENTRY; 80931e9e2be3SAdheer Chandravanshi int rc = QLA_ERROR; 80941e9e2be3SAdheer Chandravanshi uint32_t rem = len; 80951e9e2be3SAdheer Chandravanshi 8096244c079bSAdheer Chandravanshi memset((void *)&chap_tbl, 0, sizeof(chap_tbl)); 80971e9e2be3SAdheer Chandravanshi nla_for_each_attr(attr, data, len, rem) { 80981e9e2be3SAdheer Chandravanshi fnode_param = nla_data(attr); 80991e9e2be3SAdheer Chandravanshi 81001e9e2be3SAdheer Chandravanshi switch (fnode_param->param) { 81011e9e2be3SAdheer Chandravanshi case ISCSI_FLASHNODE_IS_FW_ASSIGNED_IPV6: 81021e9e2be3SAdheer Chandravanshi fnode_conn->is_fw_assigned_ipv6 = fnode_param->value[0]; 81031e9e2be3SAdheer Chandravanshi break; 81041e9e2be3SAdheer Chandravanshi case ISCSI_FLASHNODE_PORTAL_TYPE: 81051e9e2be3SAdheer Chandravanshi memcpy(fnode_sess->portal_type, fnode_param->value, 81061e9e2be3SAdheer Chandravanshi strlen(fnode_sess->portal_type)); 81071e9e2be3SAdheer Chandravanshi break; 81081e9e2be3SAdheer Chandravanshi case ISCSI_FLASHNODE_AUTO_SND_TGT_DISABLE: 81091e9e2be3SAdheer Chandravanshi fnode_sess->auto_snd_tgt_disable = 81101e9e2be3SAdheer Chandravanshi fnode_param->value[0]; 81111e9e2be3SAdheer Chandravanshi break; 81121e9e2be3SAdheer Chandravanshi case ISCSI_FLASHNODE_DISCOVERY_SESS: 81131e9e2be3SAdheer Chandravanshi fnode_sess->discovery_sess = fnode_param->value[0]; 81141e9e2be3SAdheer Chandravanshi break; 81151e9e2be3SAdheer Chandravanshi case ISCSI_FLASHNODE_ENTRY_EN: 81161e9e2be3SAdheer Chandravanshi fnode_sess->entry_state = fnode_param->value[0]; 81171e9e2be3SAdheer Chandravanshi break; 81181e9e2be3SAdheer Chandravanshi case ISCSI_FLASHNODE_HDR_DGST_EN: 81191e9e2be3SAdheer Chandravanshi fnode_conn->hdrdgst_en = fnode_param->value[0]; 81201e9e2be3SAdheer Chandravanshi break; 81211e9e2be3SAdheer Chandravanshi case ISCSI_FLASHNODE_DATA_DGST_EN: 81221e9e2be3SAdheer Chandravanshi fnode_conn->datadgst_en = fnode_param->value[0]; 81231e9e2be3SAdheer Chandravanshi break; 81241e9e2be3SAdheer Chandravanshi case ISCSI_FLASHNODE_IMM_DATA_EN: 81251e9e2be3SAdheer Chandravanshi fnode_sess->imm_data_en = fnode_param->value[0]; 81261e9e2be3SAdheer Chandravanshi break; 81271e9e2be3SAdheer Chandravanshi case ISCSI_FLASHNODE_INITIAL_R2T_EN: 81281e9e2be3SAdheer Chandravanshi fnode_sess->initial_r2t_en = fnode_param->value[0]; 81291e9e2be3SAdheer Chandravanshi break; 81301e9e2be3SAdheer Chandravanshi case ISCSI_FLASHNODE_DATASEQ_INORDER: 81311e9e2be3SAdheer Chandravanshi fnode_sess->dataseq_inorder_en = fnode_param->value[0]; 81321e9e2be3SAdheer Chandravanshi break; 81331e9e2be3SAdheer Chandravanshi case ISCSI_FLASHNODE_PDU_INORDER: 81341e9e2be3SAdheer Chandravanshi fnode_sess->pdu_inorder_en = fnode_param->value[0]; 81351e9e2be3SAdheer Chandravanshi break; 81361e9e2be3SAdheer Chandravanshi case ISCSI_FLASHNODE_CHAP_AUTH_EN: 81371e9e2be3SAdheer Chandravanshi fnode_sess->chap_auth_en = fnode_param->value[0]; 8138244c079bSAdheer Chandravanshi /* Invalidate chap index if chap auth is disabled */ 8139244c079bSAdheer Chandravanshi if (!fnode_sess->chap_auth_en) 8140244c079bSAdheer Chandravanshi fnode_sess->chap_out_idx = INVALID_ENTRY; 8141244c079bSAdheer Chandravanshi 81421e9e2be3SAdheer Chandravanshi break; 81431e9e2be3SAdheer Chandravanshi case ISCSI_FLASHNODE_SNACK_REQ_EN: 81441e9e2be3SAdheer Chandravanshi fnode_conn->snack_req_en = fnode_param->value[0]; 81451e9e2be3SAdheer Chandravanshi break; 81461e9e2be3SAdheer Chandravanshi case ISCSI_FLASHNODE_DISCOVERY_LOGOUT_EN: 81471e9e2be3SAdheer Chandravanshi fnode_sess->discovery_logout_en = fnode_param->value[0]; 81481e9e2be3SAdheer Chandravanshi break; 81491e9e2be3SAdheer Chandravanshi case ISCSI_FLASHNODE_BIDI_CHAP_EN: 81501e9e2be3SAdheer Chandravanshi fnode_sess->bidi_chap_en = fnode_param->value[0]; 81511e9e2be3SAdheer Chandravanshi break; 81521e9e2be3SAdheer Chandravanshi case ISCSI_FLASHNODE_DISCOVERY_AUTH_OPTIONAL: 81531e9e2be3SAdheer Chandravanshi fnode_sess->discovery_auth_optional = 81541e9e2be3SAdheer Chandravanshi fnode_param->value[0]; 81551e9e2be3SAdheer Chandravanshi break; 81561e9e2be3SAdheer Chandravanshi case ISCSI_FLASHNODE_ERL: 81571e9e2be3SAdheer Chandravanshi fnode_sess->erl = fnode_param->value[0]; 81581e9e2be3SAdheer Chandravanshi break; 81591e9e2be3SAdheer Chandravanshi case ISCSI_FLASHNODE_TCP_TIMESTAMP_STAT: 81601e9e2be3SAdheer Chandravanshi fnode_conn->tcp_timestamp_stat = fnode_param->value[0]; 81611e9e2be3SAdheer Chandravanshi break; 81621e9e2be3SAdheer Chandravanshi case ISCSI_FLASHNODE_TCP_NAGLE_DISABLE: 81631e9e2be3SAdheer Chandravanshi fnode_conn->tcp_nagle_disable = fnode_param->value[0]; 81641e9e2be3SAdheer Chandravanshi break; 81651e9e2be3SAdheer Chandravanshi case ISCSI_FLASHNODE_TCP_WSF_DISABLE: 81661e9e2be3SAdheer Chandravanshi fnode_conn->tcp_wsf_disable = fnode_param->value[0]; 81671e9e2be3SAdheer Chandravanshi break; 81681e9e2be3SAdheer Chandravanshi case ISCSI_FLASHNODE_TCP_TIMER_SCALE: 81691e9e2be3SAdheer Chandravanshi fnode_conn->tcp_timer_scale = fnode_param->value[0]; 81701e9e2be3SAdheer Chandravanshi break; 81711e9e2be3SAdheer Chandravanshi case ISCSI_FLASHNODE_TCP_TIMESTAMP_EN: 81721e9e2be3SAdheer Chandravanshi fnode_conn->tcp_timestamp_en = fnode_param->value[0]; 81731e9e2be3SAdheer Chandravanshi break; 81741e9e2be3SAdheer Chandravanshi case ISCSI_FLASHNODE_IP_FRAG_DISABLE: 81751e9e2be3SAdheer Chandravanshi fnode_conn->fragment_disable = fnode_param->value[0]; 81761e9e2be3SAdheer Chandravanshi break; 81771e9e2be3SAdheer Chandravanshi case ISCSI_FLASHNODE_MAX_RECV_DLENGTH: 81781e9e2be3SAdheer Chandravanshi fnode_conn->max_recv_dlength = 81791e9e2be3SAdheer Chandravanshi *(unsigned *)fnode_param->value; 81801e9e2be3SAdheer Chandravanshi break; 81811e9e2be3SAdheer Chandravanshi case ISCSI_FLASHNODE_MAX_XMIT_DLENGTH: 81821e9e2be3SAdheer Chandravanshi fnode_conn->max_xmit_dlength = 81831e9e2be3SAdheer Chandravanshi *(unsigned *)fnode_param->value; 81841e9e2be3SAdheer Chandravanshi break; 81851e9e2be3SAdheer Chandravanshi case ISCSI_FLASHNODE_FIRST_BURST: 81861e9e2be3SAdheer Chandravanshi fnode_sess->first_burst = 81871e9e2be3SAdheer Chandravanshi *(unsigned *)fnode_param->value; 81881e9e2be3SAdheer Chandravanshi break; 81891e9e2be3SAdheer Chandravanshi case ISCSI_FLASHNODE_DEF_TIME2WAIT: 81901e9e2be3SAdheer Chandravanshi fnode_sess->time2wait = *(uint16_t *)fnode_param->value; 81911e9e2be3SAdheer Chandravanshi break; 81921e9e2be3SAdheer Chandravanshi case ISCSI_FLASHNODE_DEF_TIME2RETAIN: 81931e9e2be3SAdheer Chandravanshi fnode_sess->time2retain = 81941e9e2be3SAdheer Chandravanshi *(uint16_t *)fnode_param->value; 81951e9e2be3SAdheer Chandravanshi break; 81961e9e2be3SAdheer Chandravanshi case ISCSI_FLASHNODE_MAX_R2T: 81971e9e2be3SAdheer Chandravanshi fnode_sess->max_r2t = 81981e9e2be3SAdheer Chandravanshi *(uint16_t *)fnode_param->value; 81991e9e2be3SAdheer Chandravanshi break; 82001e9e2be3SAdheer Chandravanshi case ISCSI_FLASHNODE_KEEPALIVE_TMO: 82011e9e2be3SAdheer Chandravanshi fnode_conn->keepalive_timeout = 82021e9e2be3SAdheer Chandravanshi *(uint16_t *)fnode_param->value; 82031e9e2be3SAdheer Chandravanshi break; 82041e9e2be3SAdheer Chandravanshi case ISCSI_FLASHNODE_ISID: 82051e9e2be3SAdheer Chandravanshi memcpy(fnode_sess->isid, fnode_param->value, 82061e9e2be3SAdheer Chandravanshi sizeof(fnode_sess->isid)); 82071e9e2be3SAdheer Chandravanshi break; 82081e9e2be3SAdheer Chandravanshi case ISCSI_FLASHNODE_TSID: 82091e9e2be3SAdheer Chandravanshi fnode_sess->tsid = *(uint16_t *)fnode_param->value; 82101e9e2be3SAdheer Chandravanshi break; 82111e9e2be3SAdheer Chandravanshi case ISCSI_FLASHNODE_PORT: 82121e9e2be3SAdheer Chandravanshi fnode_conn->port = *(uint16_t *)fnode_param->value; 82131e9e2be3SAdheer Chandravanshi break; 82141e9e2be3SAdheer Chandravanshi case ISCSI_FLASHNODE_MAX_BURST: 82151e9e2be3SAdheer Chandravanshi fnode_sess->max_burst = *(unsigned *)fnode_param->value; 82161e9e2be3SAdheer Chandravanshi break; 82171e9e2be3SAdheer Chandravanshi case ISCSI_FLASHNODE_DEF_TASKMGMT_TMO: 82181e9e2be3SAdheer Chandravanshi fnode_sess->default_taskmgmt_timeout = 82191e9e2be3SAdheer Chandravanshi *(uint16_t *)fnode_param->value; 82201e9e2be3SAdheer Chandravanshi break; 82211e9e2be3SAdheer Chandravanshi case ISCSI_FLASHNODE_IPADDR: 82221e9e2be3SAdheer Chandravanshi memcpy(fnode_conn->ipaddress, fnode_param->value, 82231e9e2be3SAdheer Chandravanshi IPv6_ADDR_LEN); 82241e9e2be3SAdheer Chandravanshi break; 82251e9e2be3SAdheer Chandravanshi case ISCSI_FLASHNODE_ALIAS: 82261e9e2be3SAdheer Chandravanshi rc = iscsi_switch_str_param(&fnode_sess->targetalias, 82271e9e2be3SAdheer Chandravanshi (char *)fnode_param->value); 82281e9e2be3SAdheer Chandravanshi break; 82291e9e2be3SAdheer Chandravanshi case ISCSI_FLASHNODE_REDIRECT_IPADDR: 82301e9e2be3SAdheer Chandravanshi memcpy(fnode_conn->redirect_ipaddr, fnode_param->value, 82311e9e2be3SAdheer Chandravanshi IPv6_ADDR_LEN); 82321e9e2be3SAdheer Chandravanshi break; 82331e9e2be3SAdheer Chandravanshi case ISCSI_FLASHNODE_MAX_SEGMENT_SIZE: 82341e9e2be3SAdheer Chandravanshi fnode_conn->max_segment_size = 82351e9e2be3SAdheer Chandravanshi *(unsigned *)fnode_param->value; 82361e9e2be3SAdheer Chandravanshi break; 82371e9e2be3SAdheer Chandravanshi case ISCSI_FLASHNODE_LOCAL_PORT: 82381e9e2be3SAdheer Chandravanshi fnode_conn->local_port = 82391e9e2be3SAdheer Chandravanshi *(uint16_t *)fnode_param->value; 82401e9e2be3SAdheer Chandravanshi break; 82411e9e2be3SAdheer Chandravanshi case ISCSI_FLASHNODE_IPV4_TOS: 82421e9e2be3SAdheer Chandravanshi fnode_conn->ipv4_tos = fnode_param->value[0]; 82431e9e2be3SAdheer Chandravanshi break; 82441e9e2be3SAdheer Chandravanshi case ISCSI_FLASHNODE_IPV6_TC: 82451e9e2be3SAdheer Chandravanshi fnode_conn->ipv6_traffic_class = fnode_param->value[0]; 82461e9e2be3SAdheer Chandravanshi break; 82471e9e2be3SAdheer Chandravanshi case ISCSI_FLASHNODE_IPV6_FLOW_LABEL: 82481e9e2be3SAdheer Chandravanshi fnode_conn->ipv6_flow_label = fnode_param->value[0]; 82491e9e2be3SAdheer Chandravanshi break; 82501e9e2be3SAdheer Chandravanshi case ISCSI_FLASHNODE_NAME: 82511e9e2be3SAdheer Chandravanshi rc = iscsi_switch_str_param(&fnode_sess->targetname, 82521e9e2be3SAdheer Chandravanshi (char *)fnode_param->value); 82531e9e2be3SAdheer Chandravanshi break; 82541e9e2be3SAdheer Chandravanshi case ISCSI_FLASHNODE_TPGT: 82551e9e2be3SAdheer Chandravanshi fnode_sess->tpgt = *(uint16_t *)fnode_param->value; 82561e9e2be3SAdheer Chandravanshi break; 82571e9e2be3SAdheer Chandravanshi case ISCSI_FLASHNODE_LINK_LOCAL_IPV6: 82581e9e2be3SAdheer Chandravanshi memcpy(fnode_conn->link_local_ipv6_addr, 82591e9e2be3SAdheer Chandravanshi fnode_param->value, IPv6_ADDR_LEN); 82601e9e2be3SAdheer Chandravanshi break; 826165560166SAdheer Chandravanshi case ISCSI_FLASHNODE_DISCOVERY_PARENT_IDX: 826265560166SAdheer Chandravanshi fnode_sess->discovery_parent_idx = 82631e9e2be3SAdheer Chandravanshi *(uint16_t *)fnode_param->value; 82641e9e2be3SAdheer Chandravanshi break; 82651e9e2be3SAdheer Chandravanshi case ISCSI_FLASHNODE_TCP_XMIT_WSF: 82661e9e2be3SAdheer Chandravanshi fnode_conn->tcp_xmit_wsf = 82671e9e2be3SAdheer Chandravanshi *(uint8_t *)fnode_param->value; 82681e9e2be3SAdheer Chandravanshi break; 82691e9e2be3SAdheer Chandravanshi case ISCSI_FLASHNODE_TCP_RECV_WSF: 82701e9e2be3SAdheer Chandravanshi fnode_conn->tcp_recv_wsf = 82711e9e2be3SAdheer Chandravanshi *(uint8_t *)fnode_param->value; 82721e9e2be3SAdheer Chandravanshi break; 82731e9e2be3SAdheer Chandravanshi case ISCSI_FLASHNODE_STATSN: 82741e9e2be3SAdheer Chandravanshi fnode_conn->statsn = *(uint32_t *)fnode_param->value; 82751e9e2be3SAdheer Chandravanshi break; 82761e9e2be3SAdheer Chandravanshi case ISCSI_FLASHNODE_EXP_STATSN: 82771e9e2be3SAdheer Chandravanshi fnode_conn->exp_statsn = 82781e9e2be3SAdheer Chandravanshi *(uint32_t *)fnode_param->value; 82791e9e2be3SAdheer Chandravanshi break; 8280244c079bSAdheer Chandravanshi case ISCSI_FLASHNODE_CHAP_OUT_IDX: 8281244c079bSAdheer Chandravanshi chap_out_idx = *(uint16_t *)fnode_param->value; 8282244c079bSAdheer Chandravanshi if (!qla4xxx_get_uni_chap_at_index(ha, 8283244c079bSAdheer Chandravanshi chap_tbl.name, 8284244c079bSAdheer Chandravanshi chap_tbl.secret, 8285244c079bSAdheer Chandravanshi chap_out_idx)) { 8286244c079bSAdheer Chandravanshi fnode_sess->chap_out_idx = chap_out_idx; 8287244c079bSAdheer Chandravanshi /* Enable chap auth if chap index is valid */ 8288244c079bSAdheer Chandravanshi fnode_sess->chap_auth_en = QL4_PARAM_ENABLE; 8289244c079bSAdheer Chandravanshi } 8290244c079bSAdheer Chandravanshi break; 82911e9e2be3SAdheer Chandravanshi default: 82921e9e2be3SAdheer Chandravanshi ql4_printk(KERN_ERR, ha, 82931e9e2be3SAdheer Chandravanshi "%s: No such sysfs attribute\n", __func__); 82941e9e2be3SAdheer Chandravanshi rc = -ENOSYS; 82951e9e2be3SAdheer Chandravanshi goto exit_set_param; 82961e9e2be3SAdheer Chandravanshi } 82971e9e2be3SAdheer Chandravanshi } 82981e9e2be3SAdheer Chandravanshi 82991e9e2be3SAdheer Chandravanshi rc = qla4xxx_sysfs_ddb_apply(fnode_sess, fnode_conn); 83001e9e2be3SAdheer Chandravanshi 83011e9e2be3SAdheer Chandravanshi exit_set_param: 83021e9e2be3SAdheer Chandravanshi return rc; 83031e9e2be3SAdheer Chandravanshi } 83041e9e2be3SAdheer Chandravanshi 83051e9e2be3SAdheer Chandravanshi /** 83061e9e2be3SAdheer Chandravanshi * qla4xxx_sysfs_ddb_delete - Delete firmware DDB entry 83071e9e2be3SAdheer Chandravanshi * @fnode_sess: pointer to session attrs of flash ddb entry 83081e9e2be3SAdheer Chandravanshi * 83091e9e2be3SAdheer Chandravanshi * This invalidates the flash ddb entry at the given index 83101e9e2be3SAdheer Chandravanshi **/ 83111e9e2be3SAdheer Chandravanshi static int qla4xxx_sysfs_ddb_delete(struct iscsi_bus_flash_session *fnode_sess) 83121e9e2be3SAdheer Chandravanshi { 83131e9e2be3SAdheer Chandravanshi struct Scsi_Host *shost = iscsi_flash_session_to_shost(fnode_sess); 83141e9e2be3SAdheer Chandravanshi struct scsi_qla_host *ha = to_qla_host(shost); 83151e9e2be3SAdheer Chandravanshi uint32_t dev_db_start_offset; 83161e9e2be3SAdheer Chandravanshi uint32_t dev_db_end_offset; 83171e9e2be3SAdheer Chandravanshi struct dev_db_entry *fw_ddb_entry = NULL; 83181e9e2be3SAdheer Chandravanshi dma_addr_t fw_ddb_entry_dma; 83191e9e2be3SAdheer Chandravanshi uint16_t *ddb_cookie = NULL; 8320b6130ceaSVikas Chaudhary size_t ddb_size = 0; 8321039acc1eSAdheer Chandravanshi void *pddb = NULL; 83221e9e2be3SAdheer Chandravanshi int target_id; 83231e9e2be3SAdheer Chandravanshi int rc = 0; 83241e9e2be3SAdheer Chandravanshi 83251e9e2be3SAdheer Chandravanshi if (fnode_sess->is_boot_target) { 83261e9e2be3SAdheer Chandravanshi rc = -EPERM; 83271e9e2be3SAdheer Chandravanshi DEBUG2(ql4_printk(KERN_ERR, ha, 83281e9e2be3SAdheer Chandravanshi "%s: Deletion of boot target entry is not permitted.\n", 83291e9e2be3SAdheer Chandravanshi __func__)); 83301e9e2be3SAdheer Chandravanshi goto exit_ddb_del; 83311e9e2be3SAdheer Chandravanshi } 83321e9e2be3SAdheer Chandravanshi 83331e9e2be3SAdheer Chandravanshi if (fnode_sess->flash_state == DEV_DB_NON_PERSISTENT) 83341e9e2be3SAdheer Chandravanshi goto sysfs_ddb_del; 83351e9e2be3SAdheer Chandravanshi 83361e9e2be3SAdheer Chandravanshi if (is_qla40XX(ha)) { 83371e9e2be3SAdheer Chandravanshi dev_db_start_offset = FLASH_OFFSET_DB_INFO; 8338039acc1eSAdheer Chandravanshi dev_db_end_offset = FLASH_OFFSET_DB_END; 8339039acc1eSAdheer Chandravanshi dev_db_start_offset += (fnode_sess->target_id * 8340039acc1eSAdheer Chandravanshi sizeof(*fw_ddb_entry)); 8341039acc1eSAdheer Chandravanshi ddb_size = sizeof(*fw_ddb_entry); 83421e9e2be3SAdheer Chandravanshi } else { 83431e9e2be3SAdheer Chandravanshi dev_db_start_offset = FLASH_RAW_ACCESS_ADDR + 83441e9e2be3SAdheer Chandravanshi (ha->hw.flt_region_ddb << 2); 83451e9e2be3SAdheer Chandravanshi /* flt_ddb_size is DDB table size for both ports 83461e9e2be3SAdheer Chandravanshi * so divide it by 2 to calculate the offset for second port 83471e9e2be3SAdheer Chandravanshi */ 83481e9e2be3SAdheer Chandravanshi if (ha->port_num == 1) 83491e9e2be3SAdheer Chandravanshi dev_db_start_offset += (ha->hw.flt_ddb_size / 2); 83501e9e2be3SAdheer Chandravanshi 8351039acc1eSAdheer Chandravanshi dev_db_end_offset = dev_db_start_offset + 8352039acc1eSAdheer Chandravanshi (ha->hw.flt_ddb_size / 2); 8353039acc1eSAdheer Chandravanshi 8354039acc1eSAdheer Chandravanshi dev_db_start_offset += (fnode_sess->target_id * 8355039acc1eSAdheer Chandravanshi sizeof(*fw_ddb_entry)); 83561bcb5619SAdheer Chandravanshi dev_db_start_offset += offsetof(struct dev_db_entry, cookie); 83571e9e2be3SAdheer Chandravanshi 8358039acc1eSAdheer Chandravanshi ddb_size = sizeof(*ddb_cookie); 8359039acc1eSAdheer Chandravanshi } 8360039acc1eSAdheer Chandravanshi 83611e9e2be3SAdheer Chandravanshi DEBUG2(ql4_printk(KERN_ERR, ha, "%s: start offset=%u, end offset=%u\n", 83621e9e2be3SAdheer Chandravanshi __func__, dev_db_start_offset, dev_db_end_offset)); 83631e9e2be3SAdheer Chandravanshi 83641e9e2be3SAdheer Chandravanshi if (dev_db_start_offset > dev_db_end_offset) { 83651e9e2be3SAdheer Chandravanshi rc = -EIO; 83661e9e2be3SAdheer Chandravanshi DEBUG2(ql4_printk(KERN_ERR, ha, "%s:Invalid DDB index %u\n", 83671e9e2be3SAdheer Chandravanshi __func__, fnode_sess->target_id)); 83681e9e2be3SAdheer Chandravanshi goto exit_ddb_del; 83691e9e2be3SAdheer Chandravanshi } 83701e9e2be3SAdheer Chandravanshi 8371039acc1eSAdheer Chandravanshi pddb = dma_alloc_coherent(&ha->pdev->dev, ddb_size, 8372039acc1eSAdheer Chandravanshi &fw_ddb_entry_dma, GFP_KERNEL); 8373039acc1eSAdheer Chandravanshi if (!pddb) { 8374039acc1eSAdheer Chandravanshi rc = -ENOMEM; 8375039acc1eSAdheer Chandravanshi DEBUG2(ql4_printk(KERN_ERR, ha, 8376039acc1eSAdheer Chandravanshi "%s: Unable to allocate dma buffer\n", 8377039acc1eSAdheer Chandravanshi __func__)); 8378039acc1eSAdheer Chandravanshi goto exit_ddb_del; 8379039acc1eSAdheer Chandravanshi } 8380039acc1eSAdheer Chandravanshi 8381039acc1eSAdheer Chandravanshi if (is_qla40XX(ha)) { 8382039acc1eSAdheer Chandravanshi fw_ddb_entry = pddb; 8383039acc1eSAdheer Chandravanshi memset(fw_ddb_entry, 0, ddb_size); 8384039acc1eSAdheer Chandravanshi ddb_cookie = &fw_ddb_entry->cookie; 8385039acc1eSAdheer Chandravanshi } else { 8386039acc1eSAdheer Chandravanshi ddb_cookie = pddb; 8387039acc1eSAdheer Chandravanshi } 8388039acc1eSAdheer Chandravanshi 83891e9e2be3SAdheer Chandravanshi /* invalidate the cookie */ 83901e9e2be3SAdheer Chandravanshi *ddb_cookie = 0xFFEE; 83911e9e2be3SAdheer Chandravanshi qla4xxx_set_flash(ha, fw_ddb_entry_dma, dev_db_start_offset, 8392039acc1eSAdheer Chandravanshi ddb_size, FLASH_OPT_RMW_COMMIT); 83931e9e2be3SAdheer Chandravanshi 83941e9e2be3SAdheer Chandravanshi sysfs_ddb_del: 83951e9e2be3SAdheer Chandravanshi target_id = fnode_sess->target_id; 83961e9e2be3SAdheer Chandravanshi iscsi_destroy_flashnode_sess(fnode_sess); 83971e9e2be3SAdheer Chandravanshi ql4_printk(KERN_INFO, ha, 83981e9e2be3SAdheer Chandravanshi "%s: session and conn entries for flashnode %u of host %lu deleted\n", 83991e9e2be3SAdheer Chandravanshi __func__, target_id, ha->host_no); 84001e9e2be3SAdheer Chandravanshi exit_ddb_del: 8401039acc1eSAdheer Chandravanshi if (pddb) 8402039acc1eSAdheer Chandravanshi dma_free_coherent(&ha->pdev->dev, ddb_size, pddb, 8403039acc1eSAdheer Chandravanshi fw_ddb_entry_dma); 84041e9e2be3SAdheer Chandravanshi return rc; 84051e9e2be3SAdheer Chandravanshi } 84061e9e2be3SAdheer Chandravanshi 84071e9e2be3SAdheer Chandravanshi /** 84081e9e2be3SAdheer Chandravanshi * qla4xxx_sysfs_ddb_export - Create sysfs entries for firmware DDBs 84091e9e2be3SAdheer Chandravanshi * @ha: pointer to adapter structure 84101e9e2be3SAdheer Chandravanshi * 84111e9e2be3SAdheer Chandravanshi * Export the firmware DDB for all send targets and normal targets to sysfs. 84121e9e2be3SAdheer Chandravanshi **/ 8413906cbf3dSNilesh Javali int qla4xxx_sysfs_ddb_export(struct scsi_qla_host *ha) 84141e9e2be3SAdheer Chandravanshi { 84151e9e2be3SAdheer Chandravanshi struct dev_db_entry *fw_ddb_entry = NULL; 84161e9e2be3SAdheer Chandravanshi dma_addr_t fw_ddb_entry_dma; 84171e9e2be3SAdheer Chandravanshi uint16_t max_ddbs; 84181e9e2be3SAdheer Chandravanshi uint16_t idx = 0; 84191e9e2be3SAdheer Chandravanshi int ret = QLA_SUCCESS; 84201e9e2be3SAdheer Chandravanshi 84211e9e2be3SAdheer Chandravanshi fw_ddb_entry = dma_alloc_coherent(&ha->pdev->dev, 84221e9e2be3SAdheer Chandravanshi sizeof(*fw_ddb_entry), 84231e9e2be3SAdheer Chandravanshi &fw_ddb_entry_dma, GFP_KERNEL); 84241e9e2be3SAdheer Chandravanshi if (!fw_ddb_entry) { 84251e9e2be3SAdheer Chandravanshi DEBUG2(ql4_printk(KERN_ERR, ha, 84261e9e2be3SAdheer Chandravanshi "%s: Unable to allocate dma buffer\n", 84271e9e2be3SAdheer Chandravanshi __func__)); 84281e9e2be3SAdheer Chandravanshi return -ENOMEM; 84291e9e2be3SAdheer Chandravanshi } 84301e9e2be3SAdheer Chandravanshi 8431a957a7d7SAdheer Chandravanshi max_ddbs = is_qla40XX(ha) ? MAX_PRST_DEV_DB_ENTRIES : 84321e9e2be3SAdheer Chandravanshi MAX_DEV_DB_ENTRIES; 84331e9e2be3SAdheer Chandravanshi 84341e9e2be3SAdheer Chandravanshi for (idx = 0; idx < max_ddbs; idx++) { 84351e9e2be3SAdheer Chandravanshi if (qla4xxx_flashdb_by_index(ha, fw_ddb_entry, fw_ddb_entry_dma, 84361e9e2be3SAdheer Chandravanshi idx)) 84371e9e2be3SAdheer Chandravanshi continue; 84381e9e2be3SAdheer Chandravanshi 84391e9e2be3SAdheer Chandravanshi ret = qla4xxx_sysfs_ddb_tgt_create(ha, fw_ddb_entry, &idx, 0); 84401e9e2be3SAdheer Chandravanshi if (ret) { 84411e9e2be3SAdheer Chandravanshi ret = -EIO; 84421e9e2be3SAdheer Chandravanshi break; 84431e9e2be3SAdheer Chandravanshi } 84441e9e2be3SAdheer Chandravanshi } 84451e9e2be3SAdheer Chandravanshi 84461e9e2be3SAdheer Chandravanshi dma_free_coherent(&ha->pdev->dev, sizeof(*fw_ddb_entry), fw_ddb_entry, 84471e9e2be3SAdheer Chandravanshi fw_ddb_entry_dma); 84481e9e2be3SAdheer Chandravanshi 84491e9e2be3SAdheer Chandravanshi return ret; 84501e9e2be3SAdheer Chandravanshi } 84511e9e2be3SAdheer Chandravanshi 84521e9e2be3SAdheer Chandravanshi static void qla4xxx_sysfs_ddb_remove(struct scsi_qla_host *ha) 84531e9e2be3SAdheer Chandravanshi { 84541e9e2be3SAdheer Chandravanshi iscsi_destroy_all_flashnode(ha->host); 84551e9e2be3SAdheer Chandravanshi } 84561e9e2be3SAdheer Chandravanshi 84574a4bc2e9SLalit Chandivade /** 84584a4bc2e9SLalit Chandivade * qla4xxx_build_ddb_list - Build ddb list and setup sessions 84594a4bc2e9SLalit Chandivade * @ha: pointer to adapter structure 84604a4bc2e9SLalit Chandivade * @is_reset: Is this init path or reset path 84614a4bc2e9SLalit Chandivade * 84624a4bc2e9SLalit Chandivade * Create a list of sendtargets (st) from firmware DDBs, issue send targets 84634a4bc2e9SLalit Chandivade * using connection open, then create the list of normal targets (nt) 84644a4bc2e9SLalit Chandivade * from firmware DDBs. Based on the list of nt setup session and connection 84654a4bc2e9SLalit Chandivade * objects. 84664a4bc2e9SLalit Chandivade **/ 84674a4bc2e9SLalit Chandivade void qla4xxx_build_ddb_list(struct scsi_qla_host *ha, int is_reset) 84684a4bc2e9SLalit Chandivade { 84694a4bc2e9SLalit Chandivade uint16_t tmo = 0; 84704a4bc2e9SLalit Chandivade struct list_head list_st, list_nt; 84714a4bc2e9SLalit Chandivade struct qla_ddb_index *st_ddb_idx, *st_ddb_idx_tmp; 84724a4bc2e9SLalit Chandivade unsigned long wtime; 84734a4bc2e9SLalit Chandivade 84744a4bc2e9SLalit Chandivade if (!test_bit(AF_LINK_UP, &ha->flags)) { 84754a4bc2e9SLalit Chandivade set_bit(AF_BUILD_DDB_LIST, &ha->flags); 84764a4bc2e9SLalit Chandivade ha->is_reset = is_reset; 84774a4bc2e9SLalit Chandivade return; 84784a4bc2e9SLalit Chandivade } 84794a4bc2e9SLalit Chandivade 84804a4bc2e9SLalit Chandivade INIT_LIST_HEAD(&list_st); 84814a4bc2e9SLalit Chandivade INIT_LIST_HEAD(&list_nt); 84824a4bc2e9SLalit Chandivade 84834a4bc2e9SLalit Chandivade qla4xxx_build_st_list(ha, &list_st); 84844a4bc2e9SLalit Chandivade 848513483730SMike Christie /* Before issuing conn open mbox, ensure all IPs states are configured 848613483730SMike Christie * Note, conn open fails if IPs are not configured 848713483730SMike Christie */ 848813483730SMike Christie qla4xxx_wait_for_ip_configuration(ha); 848913483730SMike Christie 849013483730SMike Christie /* Go thru the STs and fire the sendtargets by issuing conn open mbx */ 849113483730SMike Christie list_for_each_entry_safe(st_ddb_idx, st_ddb_idx_tmp, &list_st, list) { 849213483730SMike Christie qla4xxx_conn_open(ha, st_ddb_idx->fw_ddb_idx); 849313483730SMike Christie } 849413483730SMike Christie 849513483730SMike Christie /* Wait to ensure all sendtargets are done for min 12 sec wait */ 8496c28eaacaSNilesh Javali tmo = ((ha->def_timeout > LOGIN_TOV) && 8497c28eaacaSNilesh Javali (ha->def_timeout < LOGIN_TOV * 10) ? 8498c28eaacaSNilesh Javali ha->def_timeout : LOGIN_TOV); 8499c28eaacaSNilesh Javali 850013483730SMike Christie DEBUG2(ql4_printk(KERN_INFO, ha, 850113483730SMike Christie "Default time to wait for build ddb %d\n", tmo)); 850213483730SMike Christie 850313483730SMike Christie wtime = jiffies + (HZ * tmo); 850413483730SMike Christie do { 8505f1f2e60eSNilesh Javali if (list_empty(&list_st)) 8506f1f2e60eSNilesh Javali break; 8507f1f2e60eSNilesh Javali 85084a4bc2e9SLalit Chandivade qla4xxx_remove_failed_ddb(ha, &list_st); 850913483730SMike Christie schedule_timeout_uninterruptible(HZ / 10); 851013483730SMike Christie } while (time_after(wtime, jiffies)); 851113483730SMike Christie 8512ad8bd45eSManish Rangankar 8513ad8bd45eSManish Rangankar qla4xxx_build_nt_list(ha, &list_nt, &list_st, is_reset); 8514ad8bd45eSManish Rangankar 85154a4bc2e9SLalit Chandivade qla4xxx_free_ddb_list(&list_st); 85164a4bc2e9SLalit Chandivade qla4xxx_free_ddb_list(&list_nt); 851713483730SMike Christie 851813483730SMike Christie qla4xxx_free_ddb_index(ha); 851913483730SMike Christie } 852013483730SMike Christie 8521afaf5a2dSDavid Somayajulu /** 85221dc8ed5dSManish Rangankar * qla4xxx_wait_login_resp_boot_tgt - Wait for iSCSI boot target login 85231dc8ed5dSManish Rangankar * response. 85241dc8ed5dSManish Rangankar * @ha: pointer to adapter structure 85251dc8ed5dSManish Rangankar * 85261dc8ed5dSManish Rangankar * When the boot entry is normal iSCSI target then DF_BOOT_TGT flag will be 85271dc8ed5dSManish Rangankar * set in DDB and we will wait for login response of boot targets during 85281dc8ed5dSManish Rangankar * probe. 85291dc8ed5dSManish Rangankar **/ 85301dc8ed5dSManish Rangankar static void qla4xxx_wait_login_resp_boot_tgt(struct scsi_qla_host *ha) 85311dc8ed5dSManish Rangankar { 85321dc8ed5dSManish Rangankar struct ddb_entry *ddb_entry; 85331dc8ed5dSManish Rangankar struct dev_db_entry *fw_ddb_entry = NULL; 85341dc8ed5dSManish Rangankar dma_addr_t fw_ddb_entry_dma; 85351dc8ed5dSManish Rangankar unsigned long wtime; 85361dc8ed5dSManish Rangankar uint32_t ddb_state; 85371dc8ed5dSManish Rangankar int max_ddbs, idx, ret; 85381dc8ed5dSManish Rangankar 85391dc8ed5dSManish Rangankar max_ddbs = is_qla40XX(ha) ? MAX_DEV_DB_ENTRIES_40XX : 85401dc8ed5dSManish Rangankar MAX_DEV_DB_ENTRIES; 85411dc8ed5dSManish Rangankar 85421dc8ed5dSManish Rangankar fw_ddb_entry = dma_alloc_coherent(&ha->pdev->dev, sizeof(*fw_ddb_entry), 85431dc8ed5dSManish Rangankar &fw_ddb_entry_dma, GFP_KERNEL); 85441dc8ed5dSManish Rangankar if (!fw_ddb_entry) { 85451dc8ed5dSManish Rangankar ql4_printk(KERN_ERR, ha, 85461dc8ed5dSManish Rangankar "%s: Unable to allocate dma buffer\n", __func__); 85471dc8ed5dSManish Rangankar goto exit_login_resp; 85481dc8ed5dSManish Rangankar } 85491dc8ed5dSManish Rangankar 85501dc8ed5dSManish Rangankar wtime = jiffies + (HZ * BOOT_LOGIN_RESP_TOV); 85511dc8ed5dSManish Rangankar 85521dc8ed5dSManish Rangankar for (idx = 0; idx < max_ddbs; idx++) { 85531dc8ed5dSManish Rangankar ddb_entry = qla4xxx_lookup_ddb_by_fw_index(ha, idx); 85541dc8ed5dSManish Rangankar if (ddb_entry == NULL) 85551dc8ed5dSManish Rangankar continue; 85561dc8ed5dSManish Rangankar 85571dc8ed5dSManish Rangankar if (test_bit(DF_BOOT_TGT, &ddb_entry->flags)) { 85581dc8ed5dSManish Rangankar DEBUG2(ql4_printk(KERN_INFO, ha, 85591dc8ed5dSManish Rangankar "%s: DDB index [%d]\n", __func__, 85601dc8ed5dSManish Rangankar ddb_entry->fw_ddb_index)); 85611dc8ed5dSManish Rangankar do { 85621dc8ed5dSManish Rangankar ret = qla4xxx_get_fwddb_entry(ha, 85631dc8ed5dSManish Rangankar ddb_entry->fw_ddb_index, 85641dc8ed5dSManish Rangankar fw_ddb_entry, fw_ddb_entry_dma, 85651dc8ed5dSManish Rangankar NULL, NULL, &ddb_state, NULL, 85661dc8ed5dSManish Rangankar NULL, NULL); 85671dc8ed5dSManish Rangankar if (ret == QLA_ERROR) 85681dc8ed5dSManish Rangankar goto exit_login_resp; 85691dc8ed5dSManish Rangankar 85701dc8ed5dSManish Rangankar if ((ddb_state == DDB_DS_SESSION_ACTIVE) || 85711dc8ed5dSManish Rangankar (ddb_state == DDB_DS_SESSION_FAILED)) 85721dc8ed5dSManish Rangankar break; 85731dc8ed5dSManish Rangankar 85741dc8ed5dSManish Rangankar schedule_timeout_uninterruptible(HZ); 85751dc8ed5dSManish Rangankar 85761dc8ed5dSManish Rangankar } while ((time_after(wtime, jiffies))); 85771dc8ed5dSManish Rangankar 85781dc8ed5dSManish Rangankar if (!time_after(wtime, jiffies)) { 85791dc8ed5dSManish Rangankar DEBUG2(ql4_printk(KERN_INFO, ha, 85801dc8ed5dSManish Rangankar "%s: Login response wait timer expired\n", 85811dc8ed5dSManish Rangankar __func__)); 85821dc8ed5dSManish Rangankar goto exit_login_resp; 85831dc8ed5dSManish Rangankar } 85841dc8ed5dSManish Rangankar } 85851dc8ed5dSManish Rangankar } 85861dc8ed5dSManish Rangankar 85871dc8ed5dSManish Rangankar exit_login_resp: 85881dc8ed5dSManish Rangankar if (fw_ddb_entry) 85891dc8ed5dSManish Rangankar dma_free_coherent(&ha->pdev->dev, sizeof(*fw_ddb_entry), 85901dc8ed5dSManish Rangankar fw_ddb_entry, fw_ddb_entry_dma); 85911dc8ed5dSManish Rangankar } 85921dc8ed5dSManish Rangankar 85931dc8ed5dSManish Rangankar /** 8594afaf5a2dSDavid Somayajulu * qla4xxx_probe_adapter - callback function to probe HBA 8595afaf5a2dSDavid Somayajulu * @pdev: pointer to pci_dev structure 8596afaf5a2dSDavid Somayajulu * @pci_device_id: pointer to pci_device entry 8597afaf5a2dSDavid Somayajulu * 8598afaf5a2dSDavid Somayajulu * This routine will probe for Qlogic 4xxx iSCSI host adapters. 8599afaf5a2dSDavid Somayajulu * It returns zero if successful. It also initializes all data necessary for 8600afaf5a2dSDavid Somayajulu * the driver. 8601afaf5a2dSDavid Somayajulu **/ 86026f039790SGreg Kroah-Hartman static int qla4xxx_probe_adapter(struct pci_dev *pdev, 8603afaf5a2dSDavid Somayajulu const struct pci_device_id *ent) 8604afaf5a2dSDavid Somayajulu { 8605afaf5a2dSDavid Somayajulu int ret = -ENODEV, status; 8606afaf5a2dSDavid Somayajulu struct Scsi_Host *host; 8607afaf5a2dSDavid Somayajulu struct scsi_qla_host *ha; 8608afaf5a2dSDavid Somayajulu uint8_t init_retry_count = 0; 8609afaf5a2dSDavid Somayajulu char buf[34]; 8610f4f5df23SVikas Chaudhary struct qla4_8xxx_legacy_intr_set *nx_legacy_intr; 8611f9880e76SPrasanna Mumbai uint32_t dev_state; 8612afaf5a2dSDavid Somayajulu 8613afaf5a2dSDavid Somayajulu if (pci_enable_device(pdev)) 8614afaf5a2dSDavid Somayajulu return -1; 8615afaf5a2dSDavid Somayajulu 8616b3a271a9SManish Rangankar host = iscsi_host_alloc(&qla4xxx_driver_template, sizeof(*ha), 0); 8617afaf5a2dSDavid Somayajulu if (host == NULL) { 8618afaf5a2dSDavid Somayajulu printk(KERN_WARNING 8619afaf5a2dSDavid Somayajulu "qla4xxx: Couldn't allocate host from scsi layer!\n"); 8620afaf5a2dSDavid Somayajulu goto probe_disable_device; 8621afaf5a2dSDavid Somayajulu } 8622afaf5a2dSDavid Somayajulu 8623afaf5a2dSDavid Somayajulu /* Clear our data area */ 8624b3a271a9SManish Rangankar ha = to_qla_host(host); 8625afaf5a2dSDavid Somayajulu memset(ha, 0, sizeof(*ha)); 8626afaf5a2dSDavid Somayajulu 8627afaf5a2dSDavid Somayajulu /* Save the information from PCI BIOS. */ 8628afaf5a2dSDavid Somayajulu ha->pdev = pdev; 8629afaf5a2dSDavid Somayajulu ha->host = host; 8630afaf5a2dSDavid Somayajulu ha->host_no = host->host_no; 86316e7b4292SVikas Chaudhary ha->func_num = PCI_FUNC(ha->pdev->devfn); 8632afaf5a2dSDavid Somayajulu 86332232be0dSLalit Chandivade pci_enable_pcie_error_reporting(pdev); 86342232be0dSLalit Chandivade 8635f4f5df23SVikas Chaudhary /* Setup Runtime configurable options */ 8636f4f5df23SVikas Chaudhary if (is_qla8022(ha)) { 86377664a1fdSVikas Chaudhary ha->isp_ops = &qla4_82xx_isp_ops; 863833693c7aSVikas Chaudhary ha->reg_tbl = (uint32_t *) qla4_82xx_reg_tbl; 8639f4f5df23SVikas Chaudhary ha->qdr_sn_window = -1; 8640f4f5df23SVikas Chaudhary ha->ddr_mn_window = -1; 8641f4f5df23SVikas Chaudhary ha->curr_window = 255; 8642f4f5df23SVikas Chaudhary nx_legacy_intr = &legacy_intr[ha->func_num]; 8643f4f5df23SVikas Chaudhary ha->nx_legacy_intr.int_vec_bit = nx_legacy_intr->int_vec_bit; 8644f4f5df23SVikas Chaudhary ha->nx_legacy_intr.tgt_status_reg = 8645f4f5df23SVikas Chaudhary nx_legacy_intr->tgt_status_reg; 8646f4f5df23SVikas Chaudhary ha->nx_legacy_intr.tgt_mask_reg = nx_legacy_intr->tgt_mask_reg; 8647f4f5df23SVikas Chaudhary ha->nx_legacy_intr.pci_int_reg = nx_legacy_intr->pci_int_reg; 8648b37ca418SVikas Chaudhary } else if (is_qla8032(ha) || is_qla8042(ha)) { 86496e7b4292SVikas Chaudhary ha->isp_ops = &qla4_83xx_isp_ops; 86506e7b4292SVikas Chaudhary ha->reg_tbl = (uint32_t *)qla4_83xx_reg_tbl; 8651f4f5df23SVikas Chaudhary } else { 8652f4f5df23SVikas Chaudhary ha->isp_ops = &qla4xxx_isp_ops; 8653f4f5df23SVikas Chaudhary } 8654f4f5df23SVikas Chaudhary 86556e7b4292SVikas Chaudhary if (is_qla80XX(ha)) { 86566e7b4292SVikas Chaudhary rwlock_init(&ha->hw_lock); 86576e7b4292SVikas Chaudhary ha->pf_bit = ha->func_num << 16; 86582232be0dSLalit Chandivade /* Set EEH reset type to fundamental if required by hba */ 86592232be0dSLalit Chandivade pdev->needs_freset = 1; 86606e7b4292SVikas Chaudhary } 86612232be0dSLalit Chandivade 8662afaf5a2dSDavid Somayajulu /* Configure PCI I/O space. */ 8663f4f5df23SVikas Chaudhary ret = ha->isp_ops->iospace_config(ha); 8664afaf5a2dSDavid Somayajulu if (ret) 8665f4f5df23SVikas Chaudhary goto probe_failed_ioconfig; 8666afaf5a2dSDavid Somayajulu 8667c2660df3SVikas Chaudhary ql4_printk(KERN_INFO, ha, "Found an ISP%04x, irq %d, iobase 0x%p\n", 8668afaf5a2dSDavid Somayajulu pdev->device, pdev->irq, ha->reg); 8669afaf5a2dSDavid Somayajulu 8670afaf5a2dSDavid Somayajulu qla4xxx_config_dma_addressing(ha); 8671afaf5a2dSDavid Somayajulu 8672afaf5a2dSDavid Somayajulu /* Initialize lists and spinlocks. */ 8673afaf5a2dSDavid Somayajulu INIT_LIST_HEAD(&ha->free_srb_q); 8674afaf5a2dSDavid Somayajulu 8675afaf5a2dSDavid Somayajulu mutex_init(&ha->mbox_sem); 86764549415aSLalit Chandivade mutex_init(&ha->chap_sem); 8677f4f5df23SVikas Chaudhary init_completion(&ha->mbx_intr_comp); 867895d31262SVikas Chaudhary init_completion(&ha->disable_acb_comp); 8679df86f771SVikas Chaudhary init_completion(&ha->idc_comp); 8680df86f771SVikas Chaudhary init_completion(&ha->link_up_comp); 8681afaf5a2dSDavid Somayajulu 8682afaf5a2dSDavid Somayajulu spin_lock_init(&ha->hardware_lock); 86838e9157c8SVikas Chaudhary spin_lock_init(&ha->work_lock); 8684afaf5a2dSDavid Somayajulu 8685ff884430SVikas Chaudhary /* Initialize work list */ 8686ff884430SVikas Chaudhary INIT_LIST_HEAD(&ha->work_list); 8687ff884430SVikas Chaudhary 8688afaf5a2dSDavid Somayajulu /* Allocate dma buffers */ 8689afaf5a2dSDavid Somayajulu if (qla4xxx_mem_alloc(ha)) { 8690c2660df3SVikas Chaudhary ql4_printk(KERN_WARNING, ha, 8691afaf5a2dSDavid Somayajulu "[ERROR] Failed to allocate memory for adapter\n"); 8692afaf5a2dSDavid Somayajulu 8693afaf5a2dSDavid Somayajulu ret = -ENOMEM; 8694afaf5a2dSDavid Somayajulu goto probe_failed; 8695afaf5a2dSDavid Somayajulu } 8696afaf5a2dSDavid Somayajulu 8697b3a271a9SManish Rangankar host->cmd_per_lun = 3; 8698b3a271a9SManish Rangankar host->max_channel = 0; 8699b3a271a9SManish Rangankar host->max_lun = MAX_LUNS - 1; 8700b3a271a9SManish Rangankar host->max_id = MAX_TARGETS; 8701b3a271a9SManish Rangankar host->max_cmd_len = IOCB_MAX_CDB_LEN; 8702b3a271a9SManish Rangankar host->can_queue = MAX_SRBS ; 8703b3a271a9SManish Rangankar host->transportt = qla4xxx_scsi_transport; 8704b3a271a9SManish Rangankar 8705b3a271a9SManish Rangankar pci_set_drvdata(pdev, ha); 8706b3a271a9SManish Rangankar 8707b3a271a9SManish Rangankar ret = scsi_add_host(host, &pdev->dev); 8708b3a271a9SManish Rangankar if (ret) 8709b3a271a9SManish Rangankar goto probe_failed; 8710b3a271a9SManish Rangankar 87116e7b4292SVikas Chaudhary if (is_qla80XX(ha)) 87126e7b4292SVikas Chaudhary qla4_8xxx_get_flash_info(ha); 87136e7b4292SVikas Chaudhary 8714b37ca418SVikas Chaudhary if (is_qla8032(ha) || is_qla8042(ha)) { 87156e7b4292SVikas Chaudhary qla4_83xx_read_reset_template(ha); 87166e7b4292SVikas Chaudhary /* 87176e7b4292SVikas Chaudhary * NOTE: If ql4dontresethba==1, set IDC_CTRL DONTRESET_BIT0. 87186e7b4292SVikas Chaudhary * If DONRESET_BIT0 is set, drivers should not set dev_state 87196e7b4292SVikas Chaudhary * to NEED_RESET. But if NEED_RESET is set, drivers should 87206e7b4292SVikas Chaudhary * should honor the reset. 87216e7b4292SVikas Chaudhary */ 87226e7b4292SVikas Chaudhary if (ql4xdontresethba == 1) 87236e7b4292SVikas Chaudhary qla4_83xx_set_idc_dontreset(ha); 87246e7b4292SVikas Chaudhary } 8725f4f5df23SVikas Chaudhary 8726afaf5a2dSDavid Somayajulu /* 8727afaf5a2dSDavid Somayajulu * Initialize the Host adapter request/response queues and 8728afaf5a2dSDavid Somayajulu * firmware 8729afaf5a2dSDavid Somayajulu * NOTE: interrupts enabled upon successful completion 8730afaf5a2dSDavid Somayajulu */ 873113483730SMike Christie status = qla4xxx_initialize_adapter(ha, INIT_ADAPTER); 87327977f825SPoornima Vonti 87337977f825SPoornima Vonti /* Dont retry adapter initialization if IRQ allocation failed */ 873437418cc6SNilesh Javali if (is_qla80XX(ha) && (status == QLA_ERROR)) 87357977f825SPoornima Vonti goto skip_retry_init; 87367977f825SPoornima Vonti 8737f4f5df23SVikas Chaudhary while ((!test_bit(AF_ONLINE, &ha->flags)) && 8738f4f5df23SVikas Chaudhary init_retry_count++ < MAX_INIT_RETRIES) { 8739f9880e76SPrasanna Mumbai 87406e7b4292SVikas Chaudhary if (is_qla80XX(ha)) { 874133693c7aSVikas Chaudhary ha->isp_ops->idc_lock(ha); 874233693c7aSVikas Chaudhary dev_state = qla4_8xxx_rd_direct(ha, 8743e951aca1SVikas Chaudhary QLA8XXX_CRB_DEV_STATE); 874433693c7aSVikas Chaudhary ha->isp_ops->idc_unlock(ha); 8745de8c72daSVikas Chaudhary if (dev_state == QLA8XXX_DEV_FAILED) { 8746f9880e76SPrasanna Mumbai ql4_printk(KERN_WARNING, ha, "%s: don't retry " 8747f9880e76SPrasanna Mumbai "initialize adapter. H/W is in failed state\n", 8748f9880e76SPrasanna Mumbai __func__); 8749f9880e76SPrasanna Mumbai break; 8750f9880e76SPrasanna Mumbai } 8751f9880e76SPrasanna Mumbai } 8752afaf5a2dSDavid Somayajulu DEBUG2(printk("scsi: %s: retrying adapter initialization " 8753afaf5a2dSDavid Somayajulu "(%d)\n", __func__, init_retry_count)); 8754f4f5df23SVikas Chaudhary 8755f4f5df23SVikas Chaudhary if (ha->isp_ops->reset_chip(ha) == QLA_ERROR) 8756f4f5df23SVikas Chaudhary continue; 8757f4f5df23SVikas Chaudhary 875813483730SMike Christie status = qla4xxx_initialize_adapter(ha, INIT_ADAPTER); 875937418cc6SNilesh Javali if (is_qla80XX(ha) && (status == QLA_ERROR)) { 876037418cc6SNilesh Javali if (qla4_8xxx_check_init_adapter_retry(ha) == QLA_ERROR) 876137418cc6SNilesh Javali goto skip_retry_init; 876237418cc6SNilesh Javali } 8763afaf5a2dSDavid Somayajulu } 8764f4f5df23SVikas Chaudhary 87657977f825SPoornima Vonti skip_retry_init: 8766f4f5df23SVikas Chaudhary if (!test_bit(AF_ONLINE, &ha->flags)) { 8767c2660df3SVikas Chaudhary ql4_printk(KERN_WARNING, ha, "Failed to initialize adapter\n"); 8768afaf5a2dSDavid Somayajulu 87696e7b4292SVikas Chaudhary if ((is_qla8022(ha) && ql4xdontresethba) || 8770b37ca418SVikas Chaudhary ((is_qla8032(ha) || is_qla8042(ha)) && 8771b37ca418SVikas Chaudhary qla4_83xx_idc_dontreset(ha))) { 8772fe998527SLalit Chandivade /* Put the device in failed state. */ 8773fe998527SLalit Chandivade DEBUG2(printk(KERN_ERR "HW STATE: FAILED\n")); 877433693c7aSVikas Chaudhary ha->isp_ops->idc_lock(ha); 877533693c7aSVikas Chaudhary qla4_8xxx_wr_direct(ha, QLA8XXX_CRB_DEV_STATE, 8776de8c72daSVikas Chaudhary QLA8XXX_DEV_FAILED); 877733693c7aSVikas Chaudhary ha->isp_ops->idc_unlock(ha); 8778fe998527SLalit Chandivade } 8779afaf5a2dSDavid Somayajulu ret = -ENODEV; 8780b3a271a9SManish Rangankar goto remove_host; 8781afaf5a2dSDavid Somayajulu } 8782afaf5a2dSDavid Somayajulu 8783afaf5a2dSDavid Somayajulu /* Startup the kernel thread for this host adapter. */ 8784afaf5a2dSDavid Somayajulu DEBUG2(printk("scsi: %s: Starting kernel thread for " 8785afaf5a2dSDavid Somayajulu "qla4xxx_dpc\n", __func__)); 8786afaf5a2dSDavid Somayajulu sprintf(buf, "qla4xxx_%lu_dpc", ha->host_no); 8787afaf5a2dSDavid Somayajulu ha->dpc_thread = create_singlethread_workqueue(buf); 8788afaf5a2dSDavid Somayajulu if (!ha->dpc_thread) { 8789c2660df3SVikas Chaudhary ql4_printk(KERN_WARNING, ha, "Unable to start DPC thread!\n"); 8790afaf5a2dSDavid Somayajulu ret = -ENODEV; 8791b3a271a9SManish Rangankar goto remove_host; 8792afaf5a2dSDavid Somayajulu } 8793c4028958SDavid Howells INIT_WORK(&ha->dpc_work, qla4xxx_do_dpc); 8794afaf5a2dSDavid Somayajulu 8795d8537548SKees Cook ha->task_wq = alloc_workqueue("qla4xxx_%lu_task", WQ_MEM_RECLAIM, 1, 8796d8537548SKees Cook ha->host_no); 8797b3a271a9SManish Rangankar if (!ha->task_wq) { 8798b3a271a9SManish Rangankar ql4_printk(KERN_WARNING, ha, "Unable to start task thread!\n"); 8799b3a271a9SManish Rangankar ret = -ENODEV; 8800b3a271a9SManish Rangankar goto remove_host; 8801b3a271a9SManish Rangankar } 8802b3a271a9SManish Rangankar 88036e7b4292SVikas Chaudhary /* 88046e7b4292SVikas Chaudhary * For ISP-8XXX, request_irqs is called in qla4_8xxx_load_risc 8805f4f5df23SVikas Chaudhary * (which is called indirectly by qla4xxx_initialize_adapter), 8806f4f5df23SVikas Chaudhary * so that irqs will be registered after crbinit but before 8807f4f5df23SVikas Chaudhary * mbx_intr_enable. 8808f4f5df23SVikas Chaudhary */ 8809ee996a69SVikas Chaudhary if (is_qla40XX(ha)) { 8810f4f5df23SVikas Chaudhary ret = qla4xxx_request_irqs(ha); 8811afaf5a2dSDavid Somayajulu if (ret) { 8812f4f5df23SVikas Chaudhary ql4_printk(KERN_WARNING, ha, "Failed to reserve " 8813f4f5df23SVikas Chaudhary "interrupt %d already in use.\n", pdev->irq); 8814b3a271a9SManish Rangankar goto remove_host; 8815afaf5a2dSDavid Somayajulu } 8816f4f5df23SVikas Chaudhary } 8817afaf5a2dSDavid Somayajulu 88182232be0dSLalit Chandivade pci_save_state(ha->pdev); 8819f4f5df23SVikas Chaudhary ha->isp_ops->enable_intrs(ha); 8820afaf5a2dSDavid Somayajulu 8821afaf5a2dSDavid Somayajulu /* Start timer thread. */ 8822d744644aSKees Cook qla4xxx_start_timer(ha, 1); 8823afaf5a2dSDavid Somayajulu 8824afaf5a2dSDavid Somayajulu set_bit(AF_INIT_DONE, &ha->flags); 8825afaf5a2dSDavid Somayajulu 8826068237c8STej Parkash qla4_8xxx_alloc_sysfs_attr(ha); 8827068237c8STej Parkash 8828afaf5a2dSDavid Somayajulu printk(KERN_INFO 8829afaf5a2dSDavid Somayajulu " QLogic iSCSI HBA Driver version: %s\n" 8830afaf5a2dSDavid Somayajulu " QLogic ISP%04x @ %s, host#=%ld, fw=%02d.%02d.%02d.%02d\n", 8831afaf5a2dSDavid Somayajulu qla4xxx_version_str, ha->pdev->device, pci_name(ha->pdev), 8832eee06a0fSAdheer Chandravanshi ha->host_no, ha->fw_info.fw_major, ha->fw_info.fw_minor, 8833eee06a0fSAdheer Chandravanshi ha->fw_info.fw_patch, ha->fw_info.fw_build); 8834ed1086e0SVikas Chaudhary 8835cfb27874SManish Dusane /* Set the driver version */ 8836cfb27874SManish Dusane if (is_qla80XX(ha)) 8837cfb27874SManish Dusane qla4_8xxx_set_param(ha, SET_DRVR_VERSION); 8838cfb27874SManish Dusane 88392a991c21SManish Rangankar if (qla4xxx_setup_boot_info(ha)) 88403573bfb2SVikas Chaudhary ql4_printk(KERN_ERR, ha, 88413573bfb2SVikas Chaudhary "%s: No iSCSI boot target configured\n", __func__); 88422a991c21SManish Rangankar 8843906cbf3dSNilesh Javali set_bit(DPC_SYSFS_DDB_EXPORT, &ha->dpc_flags); 884413483730SMike Christie /* Perform the build ddb list and login to each */ 884513483730SMike Christie qla4xxx_build_ddb_list(ha, INIT_ADAPTER); 884613483730SMike Christie iscsi_host_for_each_session(ha->host, qla4xxx_login_flash_ddb); 88471dc8ed5dSManish Rangankar qla4xxx_wait_login_resp_boot_tgt(ha); 884813483730SMike Christie 884913483730SMike Christie qla4xxx_create_chap_list(ha); 885013483730SMike Christie 8851ed1086e0SVikas Chaudhary qla4xxx_create_ifaces(ha); 8852afaf5a2dSDavid Somayajulu return 0; 8853afaf5a2dSDavid Somayajulu 8854b3a271a9SManish Rangankar remove_host: 8855b3a271a9SManish Rangankar scsi_remove_host(ha->host); 8856b3a271a9SManish Rangankar 8857afaf5a2dSDavid Somayajulu probe_failed: 8858afaf5a2dSDavid Somayajulu qla4xxx_free_adapter(ha); 8859f4f5df23SVikas Chaudhary 8860f4f5df23SVikas Chaudhary probe_failed_ioconfig: 88612232be0dSLalit Chandivade pci_disable_pcie_error_reporting(pdev); 8862afaf5a2dSDavid Somayajulu scsi_host_put(ha->host); 8863afaf5a2dSDavid Somayajulu 8864afaf5a2dSDavid Somayajulu probe_disable_device: 8865afaf5a2dSDavid Somayajulu pci_disable_device(pdev); 8866afaf5a2dSDavid Somayajulu 8867afaf5a2dSDavid Somayajulu return ret; 8868afaf5a2dSDavid Somayajulu } 8869afaf5a2dSDavid Somayajulu 8870afaf5a2dSDavid Somayajulu /** 88717eece5a0SKaren Higgins * qla4xxx_prevent_other_port_reinit - prevent other port from re-initialize 88727eece5a0SKaren Higgins * @ha: pointer to adapter structure 88737eece5a0SKaren Higgins * 88747eece5a0SKaren Higgins * Mark the other ISP-4xxx port to indicate that the driver is being removed, 88757eece5a0SKaren Higgins * so that the other port will not re-initialize while in the process of 88767eece5a0SKaren Higgins * removing the ha due to driver unload or hba hotplug. 88777eece5a0SKaren Higgins **/ 88787eece5a0SKaren Higgins static void qla4xxx_prevent_other_port_reinit(struct scsi_qla_host *ha) 88797eece5a0SKaren Higgins { 88807eece5a0SKaren Higgins struct scsi_qla_host *other_ha = NULL; 88817eece5a0SKaren Higgins struct pci_dev *other_pdev = NULL; 88827eece5a0SKaren Higgins int fn = ISP4XXX_PCI_FN_2; 88837eece5a0SKaren Higgins 88847eece5a0SKaren Higgins /*iscsi function numbers for ISP4xxx is 1 and 3*/ 88857eece5a0SKaren Higgins if (PCI_FUNC(ha->pdev->devfn) & BIT_1) 88867eece5a0SKaren Higgins fn = ISP4XXX_PCI_FN_1; 88877eece5a0SKaren Higgins 88887eece5a0SKaren Higgins other_pdev = 88897eece5a0SKaren Higgins pci_get_domain_bus_and_slot(pci_domain_nr(ha->pdev->bus), 88907eece5a0SKaren Higgins ha->pdev->bus->number, PCI_DEVFN(PCI_SLOT(ha->pdev->devfn), 88917eece5a0SKaren Higgins fn)); 88927eece5a0SKaren Higgins 88937eece5a0SKaren Higgins /* Get other_ha if other_pdev is valid and state is enable*/ 88947eece5a0SKaren Higgins if (other_pdev) { 88957eece5a0SKaren Higgins if (atomic_read(&other_pdev->enable_cnt)) { 88967eece5a0SKaren Higgins other_ha = pci_get_drvdata(other_pdev); 88977eece5a0SKaren Higgins if (other_ha) { 88987eece5a0SKaren Higgins set_bit(AF_HA_REMOVAL, &other_ha->flags); 88997eece5a0SKaren Higgins DEBUG2(ql4_printk(KERN_INFO, ha, "%s: " 89007eece5a0SKaren Higgins "Prevent %s reinit\n", __func__, 89017eece5a0SKaren Higgins dev_name(&other_ha->pdev->dev))); 89027eece5a0SKaren Higgins } 89037eece5a0SKaren Higgins } 89047eece5a0SKaren Higgins pci_dev_put(other_pdev); 89057eece5a0SKaren Higgins } 89067eece5a0SKaren Higgins } 89077eece5a0SKaren Higgins 890828d958baSVikas Chaudhary static void qla4xxx_destroy_ddb(struct scsi_qla_host *ha, 890928d958baSVikas Chaudhary struct ddb_entry *ddb_entry) 891028d958baSVikas Chaudhary { 891128d958baSVikas Chaudhary struct dev_db_entry *fw_ddb_entry = NULL; 891228d958baSVikas Chaudhary dma_addr_t fw_ddb_entry_dma; 891328d958baSVikas Chaudhary unsigned long wtime; 891428d958baSVikas Chaudhary uint32_t ddb_state; 891528d958baSVikas Chaudhary int options; 891628d958baSVikas Chaudhary int status; 891728d958baSVikas Chaudhary 891828d958baSVikas Chaudhary options = LOGOUT_OPTION_CLOSE_SESSION; 891928d958baSVikas Chaudhary if (qla4xxx_session_logout_ddb(ha, ddb_entry, options) == QLA_ERROR) { 892028d958baSVikas Chaudhary ql4_printk(KERN_ERR, ha, "%s: Logout failed\n", __func__); 892128d958baSVikas Chaudhary goto clear_ddb; 892228d958baSVikas Chaudhary } 892328d958baSVikas Chaudhary 892428d958baSVikas Chaudhary fw_ddb_entry = dma_alloc_coherent(&ha->pdev->dev, sizeof(*fw_ddb_entry), 892528d958baSVikas Chaudhary &fw_ddb_entry_dma, GFP_KERNEL); 892628d958baSVikas Chaudhary if (!fw_ddb_entry) { 892728d958baSVikas Chaudhary ql4_printk(KERN_ERR, ha, 892828d958baSVikas Chaudhary "%s: Unable to allocate dma buffer\n", __func__); 892928d958baSVikas Chaudhary goto clear_ddb; 893028d958baSVikas Chaudhary } 893128d958baSVikas Chaudhary 893228d958baSVikas Chaudhary wtime = jiffies + (HZ * LOGOUT_TOV); 893328d958baSVikas Chaudhary do { 893428d958baSVikas Chaudhary status = qla4xxx_get_fwddb_entry(ha, ddb_entry->fw_ddb_index, 893528d958baSVikas Chaudhary fw_ddb_entry, fw_ddb_entry_dma, 893628d958baSVikas Chaudhary NULL, NULL, &ddb_state, NULL, 893728d958baSVikas Chaudhary NULL, NULL); 893828d958baSVikas Chaudhary if (status == QLA_ERROR) 893928d958baSVikas Chaudhary goto free_ddb; 894028d958baSVikas Chaudhary 894128d958baSVikas Chaudhary if ((ddb_state == DDB_DS_NO_CONNECTION_ACTIVE) || 894228d958baSVikas Chaudhary (ddb_state == DDB_DS_SESSION_FAILED)) 894328d958baSVikas Chaudhary goto free_ddb; 894428d958baSVikas Chaudhary 894528d958baSVikas Chaudhary schedule_timeout_uninterruptible(HZ); 894628d958baSVikas Chaudhary } while ((time_after(wtime, jiffies))); 894728d958baSVikas Chaudhary 894828d958baSVikas Chaudhary free_ddb: 894928d958baSVikas Chaudhary dma_free_coherent(&ha->pdev->dev, sizeof(*fw_ddb_entry), 895028d958baSVikas Chaudhary fw_ddb_entry, fw_ddb_entry_dma); 895128d958baSVikas Chaudhary clear_ddb: 895228d958baSVikas Chaudhary qla4xxx_clear_ddb_entry(ha, ddb_entry->fw_ddb_index); 895328d958baSVikas Chaudhary } 895428d958baSVikas Chaudhary 895513483730SMike Christie static void qla4xxx_destroy_fw_ddb_session(struct scsi_qla_host *ha) 895613483730SMike Christie { 895713483730SMike Christie struct ddb_entry *ddb_entry; 895813483730SMike Christie int idx; 895913483730SMike Christie 896013483730SMike Christie for (idx = 0; idx < MAX_DDB_ENTRIES; idx++) { 896113483730SMike Christie 896213483730SMike Christie ddb_entry = qla4xxx_lookup_ddb_by_fw_index(ha, idx); 896313483730SMike Christie if ((ddb_entry != NULL) && 896413483730SMike Christie (ddb_entry->ddb_type == FLASH_DDB)) { 896513483730SMike Christie 896628d958baSVikas Chaudhary qla4xxx_destroy_ddb(ha, ddb_entry); 896713483730SMike Christie /* 896813483730SMike Christie * we have decremented the reference count of the driver 896913483730SMike Christie * when we setup the session to have the driver unload 897013483730SMike Christie * to be seamless without actually destroying the 897113483730SMike Christie * session 897213483730SMike Christie **/ 897313483730SMike Christie try_module_get(qla4xxx_iscsi_transport.owner); 897413483730SMike Christie iscsi_destroy_endpoint(ddb_entry->conn->ep); 897513483730SMike Christie qla4xxx_free_ddb(ha, ddb_entry); 897613483730SMike Christie iscsi_session_teardown(ddb_entry->sess); 897713483730SMike Christie } 897813483730SMike Christie } 897913483730SMike Christie } 89807eece5a0SKaren Higgins /** 898159e13d48SMasanari Iida * qla4xxx_remove_adapter - callback function to remove adapter. 8982afaf5a2dSDavid Somayajulu * @pci_dev: PCI device pointer 8983afaf5a2dSDavid Somayajulu **/ 89846f039790SGreg Kroah-Hartman static void qla4xxx_remove_adapter(struct pci_dev *pdev) 8985afaf5a2dSDavid Somayajulu { 8986afaf5a2dSDavid Somayajulu struct scsi_qla_host *ha; 8987afaf5a2dSDavid Somayajulu 8988f8b0751dSVikas Chaudhary /* 8989f8b0751dSVikas Chaudhary * If the PCI device is disabled then it means probe_adapter had 8990f8b0751dSVikas Chaudhary * failed and resources already cleaned up on probe_adapter exit. 8991f8b0751dSVikas Chaudhary */ 8992f8b0751dSVikas Chaudhary if (!pci_is_enabled(pdev)) 8993f8b0751dSVikas Chaudhary return; 8994f8b0751dSVikas Chaudhary 8995afaf5a2dSDavid Somayajulu ha = pci_get_drvdata(pdev); 8996afaf5a2dSDavid Somayajulu 8997ee996a69SVikas Chaudhary if (is_qla40XX(ha)) 89987eece5a0SKaren Higgins qla4xxx_prevent_other_port_reinit(ha); 8999bee4fe8eSDavid C Somayajulu 9000ed1086e0SVikas Chaudhary /* destroy iface from sysfs */ 9001ed1086e0SVikas Chaudhary qla4xxx_destroy_ifaces(ha); 9002ed1086e0SVikas Chaudhary 900313483730SMike Christie if ((!ql4xdisablesysfsboot) && ha->boot_kset) 90042a991c21SManish Rangankar iscsi_boot_destroy_kset(ha->boot_kset); 90052a991c21SManish Rangankar 900613483730SMike Christie qla4xxx_destroy_fw_ddb_session(ha); 9007068237c8STej Parkash qla4_8xxx_free_sysfs_attr(ha); 900813483730SMike Christie 90091e9e2be3SAdheer Chandravanshi qla4xxx_sysfs_ddb_remove(ha); 9010afaf5a2dSDavid Somayajulu scsi_remove_host(ha->host); 9011afaf5a2dSDavid Somayajulu 9012afaf5a2dSDavid Somayajulu qla4xxx_free_adapter(ha); 9013afaf5a2dSDavid Somayajulu 9014afaf5a2dSDavid Somayajulu scsi_host_put(ha->host); 9015afaf5a2dSDavid Somayajulu 90162232be0dSLalit Chandivade pci_disable_pcie_error_reporting(pdev); 9017f4f5df23SVikas Chaudhary pci_disable_device(pdev); 9018afaf5a2dSDavid Somayajulu } 9019afaf5a2dSDavid Somayajulu 9020afaf5a2dSDavid Somayajulu /** 9021afaf5a2dSDavid Somayajulu * qla4xxx_config_dma_addressing() - Configure OS DMA addressing method. 9022afaf5a2dSDavid Somayajulu * @ha: HA context 9023afaf5a2dSDavid Somayajulu */ 902447975477SAdrian Bunk static void qla4xxx_config_dma_addressing(struct scsi_qla_host *ha) 9025afaf5a2dSDavid Somayajulu { 9026afaf5a2dSDavid Somayajulu /* Update our PCI device dma_mask for full 64 bit mask */ 9027ec44a676SChristoph Hellwig if (dma_set_mask_and_coherent(&ha->pdev->dev, DMA_BIT_MASK(64))) { 9028afaf5a2dSDavid Somayajulu dev_dbg(&ha->pdev->dev, 9029afaf5a2dSDavid Somayajulu "Failed to set 64 bit PCI consistent mask; " 9030afaf5a2dSDavid Somayajulu "using 32 bit.\n"); 9031ec44a676SChristoph Hellwig dma_set_mask_and_coherent(&ha->pdev->dev, DMA_BIT_MASK(32)); 9032afaf5a2dSDavid Somayajulu } 9033afaf5a2dSDavid Somayajulu } 9034afaf5a2dSDavid Somayajulu 9035afaf5a2dSDavid Somayajulu static int qla4xxx_slave_alloc(struct scsi_device *sdev) 9036afaf5a2dSDavid Somayajulu { 9037b3a271a9SManish Rangankar struct iscsi_cls_session *cls_sess; 9038b3a271a9SManish Rangankar struct iscsi_session *sess; 9039b3a271a9SManish Rangankar struct ddb_entry *ddb; 90408bb4033dSVikas Chaudhary int queue_depth = QL4_DEF_QDEPTH; 9041afaf5a2dSDavid Somayajulu 9042b3a271a9SManish Rangankar cls_sess = starget_to_session(sdev->sdev_target); 9043b3a271a9SManish Rangankar sess = cls_sess->dd_data; 9044b3a271a9SManish Rangankar ddb = sess->dd_data; 9045b3a271a9SManish Rangankar 9046afaf5a2dSDavid Somayajulu sdev->hostdata = ddb; 90478bb4033dSVikas Chaudhary 90488bb4033dSVikas Chaudhary if (ql4xmaxqdepth != 0 && ql4xmaxqdepth <= 0xffffU) 90498bb4033dSVikas Chaudhary queue_depth = ql4xmaxqdepth; 90508bb4033dSVikas Chaudhary 9051db5ed4dfSChristoph Hellwig scsi_change_queue_depth(sdev, queue_depth); 9052afaf5a2dSDavid Somayajulu return 0; 9053afaf5a2dSDavid Somayajulu } 9054afaf5a2dSDavid Somayajulu 9055afaf5a2dSDavid Somayajulu /** 9056afaf5a2dSDavid Somayajulu * qla4xxx_del_from_active_array - returns an active srb 9057afaf5a2dSDavid Somayajulu * @ha: Pointer to host adapter structure. 9058fd589a8fSAnand Gadiyar * @index: index into the active_array 9059afaf5a2dSDavid Somayajulu * 9060afaf5a2dSDavid Somayajulu * This routine removes and returns the srb at the specified index 9061afaf5a2dSDavid Somayajulu **/ 9062f4f5df23SVikas Chaudhary struct srb *qla4xxx_del_from_active_array(struct scsi_qla_host *ha, 9063f4f5df23SVikas Chaudhary uint32_t index) 9064afaf5a2dSDavid Somayajulu { 9065afaf5a2dSDavid Somayajulu struct srb *srb = NULL; 90665369887aSVikas Chaudhary struct scsi_cmnd *cmd = NULL; 9067afaf5a2dSDavid Somayajulu 90685369887aSVikas Chaudhary cmd = scsi_host_find_tag(ha->host, index); 90695369887aSVikas Chaudhary if (!cmd) 9070afaf5a2dSDavid Somayajulu return srb; 9071afaf5a2dSDavid Somayajulu 90725369887aSVikas Chaudhary srb = (struct srb *)CMD_SP(cmd); 90735369887aSVikas Chaudhary if (!srb) 9074afaf5a2dSDavid Somayajulu return srb; 9075afaf5a2dSDavid Somayajulu 9076afaf5a2dSDavid Somayajulu /* update counters */ 9077afaf5a2dSDavid Somayajulu if (srb->flags & SRB_DMA_VALID) { 9078afaf5a2dSDavid Somayajulu ha->iocb_cnt -= srb->iocb_cnt; 9079afaf5a2dSDavid Somayajulu if (srb->cmd) 90805369887aSVikas Chaudhary srb->cmd->host_scribble = 90815369887aSVikas Chaudhary (unsigned char *)(unsigned long) MAX_SRBS; 9082afaf5a2dSDavid Somayajulu } 9083afaf5a2dSDavid Somayajulu return srb; 9084afaf5a2dSDavid Somayajulu } 9085afaf5a2dSDavid Somayajulu 9086afaf5a2dSDavid Somayajulu /** 9087afaf5a2dSDavid Somayajulu * qla4xxx_eh_wait_on_command - waits for command to be returned by firmware 908809a0f719SVikas Chaudhary * @ha: Pointer to host adapter structure. 9089afaf5a2dSDavid Somayajulu * @cmd: Scsi Command to wait on. 9090afaf5a2dSDavid Somayajulu * 9091afaf5a2dSDavid Somayajulu * This routine waits for the command to be returned by the Firmware 9092afaf5a2dSDavid Somayajulu * for some max time. 9093afaf5a2dSDavid Somayajulu **/ 9094afaf5a2dSDavid Somayajulu static int qla4xxx_eh_wait_on_command(struct scsi_qla_host *ha, 9095afaf5a2dSDavid Somayajulu struct scsi_cmnd *cmd) 9096afaf5a2dSDavid Somayajulu { 9097afaf5a2dSDavid Somayajulu int done = 0; 9098afaf5a2dSDavid Somayajulu struct srb *rp; 9099afaf5a2dSDavid Somayajulu uint32_t max_wait_time = EH_WAIT_CMD_TOV; 91002232be0dSLalit Chandivade int ret = SUCCESS; 91012232be0dSLalit Chandivade 91022232be0dSLalit Chandivade /* Dont wait on command if PCI error is being handled 91032232be0dSLalit Chandivade * by PCI AER driver 91042232be0dSLalit Chandivade */ 91052232be0dSLalit Chandivade if (unlikely(pci_channel_offline(ha->pdev)) || 91062232be0dSLalit Chandivade (test_bit(AF_EEH_BUSY, &ha->flags))) { 91072232be0dSLalit Chandivade ql4_printk(KERN_WARNING, ha, "scsi%ld: Return from %s\n", 91082232be0dSLalit Chandivade ha->host_no, __func__); 91092232be0dSLalit Chandivade return ret; 91102232be0dSLalit Chandivade } 9111afaf5a2dSDavid Somayajulu 9112afaf5a2dSDavid Somayajulu do { 9113afaf5a2dSDavid Somayajulu /* Checking to see if its returned to OS */ 91145369887aSVikas Chaudhary rp = (struct srb *) CMD_SP(cmd); 9115afaf5a2dSDavid Somayajulu if (rp == NULL) { 9116afaf5a2dSDavid Somayajulu done++; 9117afaf5a2dSDavid Somayajulu break; 9118afaf5a2dSDavid Somayajulu } 9119afaf5a2dSDavid Somayajulu 9120afaf5a2dSDavid Somayajulu msleep(2000); 9121afaf5a2dSDavid Somayajulu } while (max_wait_time--); 9122afaf5a2dSDavid Somayajulu 9123afaf5a2dSDavid Somayajulu return done; 9124afaf5a2dSDavid Somayajulu } 9125afaf5a2dSDavid Somayajulu 9126afaf5a2dSDavid Somayajulu /** 9127afaf5a2dSDavid Somayajulu * qla4xxx_wait_for_hba_online - waits for HBA to come online 9128afaf5a2dSDavid Somayajulu * @ha: Pointer to host adapter structure 9129afaf5a2dSDavid Somayajulu **/ 9130afaf5a2dSDavid Somayajulu static int qla4xxx_wait_for_hba_online(struct scsi_qla_host *ha) 9131afaf5a2dSDavid Somayajulu { 9132afaf5a2dSDavid Somayajulu unsigned long wait_online; 9133afaf5a2dSDavid Somayajulu 9134f581a3f7SVikas Chaudhary wait_online = jiffies + (HBA_ONLINE_TOV * HZ); 9135afaf5a2dSDavid Somayajulu while (time_before(jiffies, wait_online)) { 9136afaf5a2dSDavid Somayajulu 9137afaf5a2dSDavid Somayajulu if (adapter_up(ha)) 9138afaf5a2dSDavid Somayajulu return QLA_SUCCESS; 9139afaf5a2dSDavid Somayajulu 9140afaf5a2dSDavid Somayajulu msleep(2000); 9141afaf5a2dSDavid Somayajulu } 9142afaf5a2dSDavid Somayajulu 9143afaf5a2dSDavid Somayajulu return QLA_ERROR; 9144afaf5a2dSDavid Somayajulu } 9145afaf5a2dSDavid Somayajulu 9146afaf5a2dSDavid Somayajulu /** 9147ce545039SMike Christie * qla4xxx_eh_wait_for_commands - wait for active cmds to finish. 9148fd589a8fSAnand Gadiyar * @ha: pointer to HBA 9149afaf5a2dSDavid Somayajulu * @t: target id 9150afaf5a2dSDavid Somayajulu * @l: lun id 9151afaf5a2dSDavid Somayajulu * 9152afaf5a2dSDavid Somayajulu * This function waits for all outstanding commands to a lun to complete. It 9153afaf5a2dSDavid Somayajulu * returns 0 if all pending commands are returned and 1 otherwise. 9154afaf5a2dSDavid Somayajulu **/ 9155ce545039SMike Christie static int qla4xxx_eh_wait_for_commands(struct scsi_qla_host *ha, 9156ce545039SMike Christie struct scsi_target *stgt, 9157ce545039SMike Christie struct scsi_device *sdev) 9158afaf5a2dSDavid Somayajulu { 9159afaf5a2dSDavid Somayajulu int cnt; 9160afaf5a2dSDavid Somayajulu int status = 0; 9161afaf5a2dSDavid Somayajulu struct scsi_cmnd *cmd; 9162afaf5a2dSDavid Somayajulu 9163afaf5a2dSDavid Somayajulu /* 9164ce545039SMike Christie * Waiting for all commands for the designated target or dev 9165ce545039SMike Christie * in the active array 9166afaf5a2dSDavid Somayajulu */ 9167afaf5a2dSDavid Somayajulu for (cnt = 0; cnt < ha->host->can_queue; cnt++) { 9168afaf5a2dSDavid Somayajulu cmd = scsi_host_find_tag(ha->host, cnt); 9169ce545039SMike Christie if (cmd && stgt == scsi_target(cmd->device) && 9170ce545039SMike Christie (!sdev || sdev == cmd->device)) { 9171afaf5a2dSDavid Somayajulu if (!qla4xxx_eh_wait_on_command(ha, cmd)) { 9172afaf5a2dSDavid Somayajulu status++; 9173afaf5a2dSDavid Somayajulu break; 9174afaf5a2dSDavid Somayajulu } 9175afaf5a2dSDavid Somayajulu } 9176afaf5a2dSDavid Somayajulu } 9177afaf5a2dSDavid Somayajulu return status; 9178afaf5a2dSDavid Somayajulu } 9179afaf5a2dSDavid Somayajulu 9180afaf5a2dSDavid Somayajulu /** 918109a0f719SVikas Chaudhary * qla4xxx_eh_abort - callback for abort task. 918209a0f719SVikas Chaudhary * @cmd: Pointer to Linux's SCSI command structure 918309a0f719SVikas Chaudhary * 918409a0f719SVikas Chaudhary * This routine is called by the Linux OS to abort the specified 918509a0f719SVikas Chaudhary * command. 918609a0f719SVikas Chaudhary **/ 918709a0f719SVikas Chaudhary static int qla4xxx_eh_abort(struct scsi_cmnd *cmd) 918809a0f719SVikas Chaudhary { 918909a0f719SVikas Chaudhary struct scsi_qla_host *ha = to_qla_host(cmd->device->host); 919009a0f719SVikas Chaudhary unsigned int id = cmd->device->id; 91919cb78c16SHannes Reinecke uint64_t lun = cmd->device->lun; 919292b3e5bbSMike Christie unsigned long flags; 919309a0f719SVikas Chaudhary struct srb *srb = NULL; 919409a0f719SVikas Chaudhary int ret = SUCCESS; 919509a0f719SVikas Chaudhary int wait = 0; 91961bc5ad3aSManish Rangankar int rval; 919709a0f719SVikas Chaudhary 91989cb78c16SHannes Reinecke ql4_printk(KERN_INFO, ha, "scsi%ld:%d:%llu: Abort command issued cmd=%p, cdb=0x%x\n", 919963c9e814SVikas Chaudhary ha->host_no, id, lun, cmd, cmd->cmnd[0]); 920009a0f719SVikas Chaudhary 92011bc5ad3aSManish Rangankar rval = qla4xxx_isp_check_reg(ha); 92021bc5ad3aSManish Rangankar if (rval != QLA_SUCCESS) { 92031bc5ad3aSManish Rangankar ql4_printk(KERN_INFO, ha, "PCI/Register disconnect, exiting.\n"); 92041bc5ad3aSManish Rangankar return FAILED; 92051bc5ad3aSManish Rangankar } 92061bc5ad3aSManish Rangankar 920792b3e5bbSMike Christie spin_lock_irqsave(&ha->hardware_lock, flags); 920809a0f719SVikas Chaudhary srb = (struct srb *) CMD_SP(cmd); 920992b3e5bbSMike Christie if (!srb) { 921092b3e5bbSMike Christie spin_unlock_irqrestore(&ha->hardware_lock, flags); 92119cb78c16SHannes Reinecke ql4_printk(KERN_INFO, ha, "scsi%ld:%d:%llu: Specified command has already completed.\n", 921263c9e814SVikas Chaudhary ha->host_no, id, lun); 921309a0f719SVikas Chaudhary return SUCCESS; 921492b3e5bbSMike Christie } 921509a0f719SVikas Chaudhary kref_get(&srb->srb_ref); 921692b3e5bbSMike Christie spin_unlock_irqrestore(&ha->hardware_lock, flags); 921709a0f719SVikas Chaudhary 921809a0f719SVikas Chaudhary if (qla4xxx_abort_task(ha, srb) != QLA_SUCCESS) { 92199cb78c16SHannes Reinecke DEBUG3(printk("scsi%ld:%d:%llu: Abort_task mbx failed.\n", 922009a0f719SVikas Chaudhary ha->host_no, id, lun)); 922109a0f719SVikas Chaudhary ret = FAILED; 922209a0f719SVikas Chaudhary } else { 92239cb78c16SHannes Reinecke DEBUG3(printk("scsi%ld:%d:%llu: Abort_task mbx success.\n", 922409a0f719SVikas Chaudhary ha->host_no, id, lun)); 922509a0f719SVikas Chaudhary wait = 1; 922609a0f719SVikas Chaudhary } 922709a0f719SVikas Chaudhary 922809a0f719SVikas Chaudhary kref_put(&srb->srb_ref, qla4xxx_srb_compl); 922909a0f719SVikas Chaudhary 923009a0f719SVikas Chaudhary /* Wait for command to complete */ 923109a0f719SVikas Chaudhary if (wait) { 923209a0f719SVikas Chaudhary if (!qla4xxx_eh_wait_on_command(ha, cmd)) { 92339cb78c16SHannes Reinecke DEBUG2(printk("scsi%ld:%d:%llu: Abort handler timed out\n", 923409a0f719SVikas Chaudhary ha->host_no, id, lun)); 923509a0f719SVikas Chaudhary ret = FAILED; 923609a0f719SVikas Chaudhary } 923709a0f719SVikas Chaudhary } 923809a0f719SVikas Chaudhary 9239c2660df3SVikas Chaudhary ql4_printk(KERN_INFO, ha, 92409cb78c16SHannes Reinecke "scsi%ld:%d:%llu: Abort command - %s\n", 924125985edcSLucas De Marchi ha->host_no, id, lun, (ret == SUCCESS) ? "succeeded" : "failed"); 924209a0f719SVikas Chaudhary 924309a0f719SVikas Chaudhary return ret; 924409a0f719SVikas Chaudhary } 924509a0f719SVikas Chaudhary 924609a0f719SVikas Chaudhary /** 9247afaf5a2dSDavid Somayajulu * qla4xxx_eh_device_reset - callback for target reset. 9248afaf5a2dSDavid Somayajulu * @cmd: Pointer to Linux's SCSI command structure 9249afaf5a2dSDavid Somayajulu * 9250afaf5a2dSDavid Somayajulu * This routine is called by the Linux OS to reset all luns on the 9251afaf5a2dSDavid Somayajulu * specified target. 9252afaf5a2dSDavid Somayajulu **/ 9253afaf5a2dSDavid Somayajulu static int qla4xxx_eh_device_reset(struct scsi_cmnd *cmd) 9254afaf5a2dSDavid Somayajulu { 9255afaf5a2dSDavid Somayajulu struct scsi_qla_host *ha = to_qla_host(cmd->device->host); 9256afaf5a2dSDavid Somayajulu struct ddb_entry *ddb_entry = cmd->device->hostdata; 9257afaf5a2dSDavid Somayajulu int ret = FAILED, stat; 92581bc5ad3aSManish Rangankar int rval; 9259afaf5a2dSDavid Somayajulu 9260612f7348SKaren Higgins if (!ddb_entry) 9261afaf5a2dSDavid Somayajulu return ret; 9262afaf5a2dSDavid Somayajulu 9263c01be6dcSMike Christie ret = iscsi_block_scsi_eh(cmd); 9264c01be6dcSMike Christie if (ret) 9265c01be6dcSMike Christie return ret; 9266c01be6dcSMike Christie ret = FAILED; 9267c01be6dcSMike Christie 9268c2660df3SVikas Chaudhary ql4_printk(KERN_INFO, ha, 92699cb78c16SHannes Reinecke "scsi%ld:%d:%d:%llu: DEVICE RESET ISSUED.\n", ha->host_no, 9270afaf5a2dSDavid Somayajulu cmd->device->channel, cmd->device->id, cmd->device->lun); 9271afaf5a2dSDavid Somayajulu 9272afaf5a2dSDavid Somayajulu DEBUG2(printk(KERN_INFO 9273afaf5a2dSDavid Somayajulu "scsi%ld: DEVICE_RESET cmd=%p jiffies = 0x%lx, to=%x," 9274afaf5a2dSDavid Somayajulu "dpc_flags=%lx, status=%x allowed=%d\n", ha->host_no, 9275242f9dcbSJens Axboe cmd, jiffies, cmd->request->timeout / HZ, 9276afaf5a2dSDavid Somayajulu ha->dpc_flags, cmd->result, cmd->allowed)); 9277afaf5a2dSDavid Somayajulu 92781bc5ad3aSManish Rangankar rval = qla4xxx_isp_check_reg(ha); 92791bc5ad3aSManish Rangankar if (rval != QLA_SUCCESS) { 92801bc5ad3aSManish Rangankar ql4_printk(KERN_INFO, ha, "PCI/Register disconnect, exiting.\n"); 92811bc5ad3aSManish Rangankar return FAILED; 92821bc5ad3aSManish Rangankar } 92831bc5ad3aSManish Rangankar 9284afaf5a2dSDavid Somayajulu /* FIXME: wait for hba to go online */ 9285afaf5a2dSDavid Somayajulu stat = qla4xxx_reset_lun(ha, ddb_entry, cmd->device->lun); 9286afaf5a2dSDavid Somayajulu if (stat != QLA_SUCCESS) { 9287c2660df3SVikas Chaudhary ql4_printk(KERN_INFO, ha, "DEVICE RESET FAILED. %d\n", stat); 9288afaf5a2dSDavid Somayajulu goto eh_dev_reset_done; 9289afaf5a2dSDavid Somayajulu } 9290afaf5a2dSDavid Somayajulu 9291ce545039SMike Christie if (qla4xxx_eh_wait_for_commands(ha, scsi_target(cmd->device), 9292ce545039SMike Christie cmd->device)) { 9293c2660df3SVikas Chaudhary ql4_printk(KERN_INFO, ha, 9294afaf5a2dSDavid Somayajulu "DEVICE RESET FAILED - waiting for " 9295afaf5a2dSDavid Somayajulu "commands.\n"); 9296afaf5a2dSDavid Somayajulu goto eh_dev_reset_done; 9297afaf5a2dSDavid Somayajulu } 9298afaf5a2dSDavid Somayajulu 92999d562913SDavid C Somayajulu /* Send marker. */ 93009d562913SDavid C Somayajulu if (qla4xxx_send_marker_iocb(ha, ddb_entry, cmd->device->lun, 93019d562913SDavid C Somayajulu MM_LUN_RESET) != QLA_SUCCESS) 93029d562913SDavid C Somayajulu goto eh_dev_reset_done; 93039d562913SDavid C Somayajulu 9304c2660df3SVikas Chaudhary ql4_printk(KERN_INFO, ha, 93059cb78c16SHannes Reinecke "scsi(%ld:%d:%d:%llu): DEVICE RESET SUCCEEDED.\n", 9306afaf5a2dSDavid Somayajulu ha->host_no, cmd->device->channel, cmd->device->id, 9307afaf5a2dSDavid Somayajulu cmd->device->lun); 9308afaf5a2dSDavid Somayajulu 9309afaf5a2dSDavid Somayajulu ret = SUCCESS; 9310afaf5a2dSDavid Somayajulu 9311afaf5a2dSDavid Somayajulu eh_dev_reset_done: 9312afaf5a2dSDavid Somayajulu 9313afaf5a2dSDavid Somayajulu return ret; 9314afaf5a2dSDavid Somayajulu } 9315afaf5a2dSDavid Somayajulu 9316afaf5a2dSDavid Somayajulu /** 9317ce545039SMike Christie * qla4xxx_eh_target_reset - callback for target reset. 9318ce545039SMike Christie * @cmd: Pointer to Linux's SCSI command structure 9319ce545039SMike Christie * 9320ce545039SMike Christie * This routine is called by the Linux OS to reset the target. 9321ce545039SMike Christie **/ 9322ce545039SMike Christie static int qla4xxx_eh_target_reset(struct scsi_cmnd *cmd) 9323ce545039SMike Christie { 9324ce545039SMike Christie struct scsi_qla_host *ha = to_qla_host(cmd->device->host); 9325ce545039SMike Christie struct ddb_entry *ddb_entry = cmd->device->hostdata; 9326c01be6dcSMike Christie int stat, ret; 93271bc5ad3aSManish Rangankar int rval; 9328ce545039SMike Christie 9329ce545039SMike Christie if (!ddb_entry) 9330ce545039SMike Christie return FAILED; 9331ce545039SMike Christie 9332c01be6dcSMike Christie ret = iscsi_block_scsi_eh(cmd); 9333c01be6dcSMike Christie if (ret) 9334c01be6dcSMike Christie return ret; 9335c01be6dcSMike Christie 9336ce545039SMike Christie starget_printk(KERN_INFO, scsi_target(cmd->device), 9337ce545039SMike Christie "WARM TARGET RESET ISSUED.\n"); 9338ce545039SMike Christie 9339ce545039SMike Christie DEBUG2(printk(KERN_INFO 9340ce545039SMike Christie "scsi%ld: TARGET_DEVICE_RESET cmd=%p jiffies = 0x%lx, " 9341ce545039SMike Christie "to=%x,dpc_flags=%lx, status=%x allowed=%d\n", 9342242f9dcbSJens Axboe ha->host_no, cmd, jiffies, cmd->request->timeout / HZ, 9343ce545039SMike Christie ha->dpc_flags, cmd->result, cmd->allowed)); 9344ce545039SMike Christie 93451bc5ad3aSManish Rangankar rval = qla4xxx_isp_check_reg(ha); 93461bc5ad3aSManish Rangankar if (rval != QLA_SUCCESS) { 93471bc5ad3aSManish Rangankar ql4_printk(KERN_INFO, ha, "PCI/Register disconnect, exiting.\n"); 93481bc5ad3aSManish Rangankar return FAILED; 93491bc5ad3aSManish Rangankar } 93501bc5ad3aSManish Rangankar 9351ce545039SMike Christie stat = qla4xxx_reset_target(ha, ddb_entry); 9352ce545039SMike Christie if (stat != QLA_SUCCESS) { 9353ce545039SMike Christie starget_printk(KERN_INFO, scsi_target(cmd->device), 9354ce545039SMike Christie "WARM TARGET RESET FAILED.\n"); 9355ce545039SMike Christie return FAILED; 9356ce545039SMike Christie } 9357ce545039SMike Christie 9358ce545039SMike Christie if (qla4xxx_eh_wait_for_commands(ha, scsi_target(cmd->device), 9359ce545039SMike Christie NULL)) { 9360ce545039SMike Christie starget_printk(KERN_INFO, scsi_target(cmd->device), 9361ce545039SMike Christie "WARM TARGET DEVICE RESET FAILED - " 9362ce545039SMike Christie "waiting for commands.\n"); 9363ce545039SMike Christie return FAILED; 9364ce545039SMike Christie } 9365ce545039SMike Christie 93669d562913SDavid C Somayajulu /* Send marker. */ 93679d562913SDavid C Somayajulu if (qla4xxx_send_marker_iocb(ha, ddb_entry, cmd->device->lun, 93689d562913SDavid C Somayajulu MM_TGT_WARM_RESET) != QLA_SUCCESS) { 93699d562913SDavid C Somayajulu starget_printk(KERN_INFO, scsi_target(cmd->device), 93709d562913SDavid C Somayajulu "WARM TARGET DEVICE RESET FAILED - " 93719d562913SDavid C Somayajulu "marker iocb failed.\n"); 93729d562913SDavid C Somayajulu return FAILED; 93739d562913SDavid C Somayajulu } 93749d562913SDavid C Somayajulu 9375ce545039SMike Christie starget_printk(KERN_INFO, scsi_target(cmd->device), 9376ce545039SMike Christie "WARM TARGET RESET SUCCEEDED.\n"); 9377ce545039SMike Christie return SUCCESS; 9378ce545039SMike Christie } 9379ce545039SMike Christie 9380ce545039SMike Christie /** 93818a288960SSarang Radke * qla4xxx_is_eh_active - check if error handler is running 93828a288960SSarang Radke * @shost: Pointer to SCSI Host struct 93838a288960SSarang Radke * 93848a288960SSarang Radke * This routine finds that if reset host is called in EH 93858a288960SSarang Radke * scenario or from some application like sg_reset 93868a288960SSarang Radke **/ 93878a288960SSarang Radke static int qla4xxx_is_eh_active(struct Scsi_Host *shost) 93888a288960SSarang Radke { 93898a288960SSarang Radke if (shost->shost_state == SHOST_RECOVERY) 93908a288960SSarang Radke return 1; 93918a288960SSarang Radke return 0; 93928a288960SSarang Radke } 93938a288960SSarang Radke 93948a288960SSarang Radke /** 9395afaf5a2dSDavid Somayajulu * qla4xxx_eh_host_reset - kernel callback 9396afaf5a2dSDavid Somayajulu * @cmd: Pointer to Linux's SCSI command structure 9397afaf5a2dSDavid Somayajulu * 9398afaf5a2dSDavid Somayajulu * This routine is invoked by the Linux kernel to perform fatal error 9399afaf5a2dSDavid Somayajulu * recovery on the specified adapter. 9400afaf5a2dSDavid Somayajulu **/ 9401afaf5a2dSDavid Somayajulu static int qla4xxx_eh_host_reset(struct scsi_cmnd *cmd) 9402afaf5a2dSDavid Somayajulu { 9403afaf5a2dSDavid Somayajulu int return_status = FAILED; 9404afaf5a2dSDavid Somayajulu struct scsi_qla_host *ha; 94051bc5ad3aSManish Rangankar int rval; 9406afaf5a2dSDavid Somayajulu 9407b3a271a9SManish Rangankar ha = to_qla_host(cmd->device->host); 9408afaf5a2dSDavid Somayajulu 94091bc5ad3aSManish Rangankar rval = qla4xxx_isp_check_reg(ha); 94101bc5ad3aSManish Rangankar if (rval != QLA_SUCCESS) { 94111bc5ad3aSManish Rangankar ql4_printk(KERN_INFO, ha, "PCI/Register disconnect, exiting.\n"); 94121bc5ad3aSManish Rangankar return FAILED; 94131bc5ad3aSManish Rangankar } 94141bc5ad3aSManish Rangankar 9415b37ca418SVikas Chaudhary if ((is_qla8032(ha) || is_qla8042(ha)) && ql4xdontresethba) 94166e7b4292SVikas Chaudhary qla4_83xx_set_idc_dontreset(ha); 94176e7b4292SVikas Chaudhary 94186e7b4292SVikas Chaudhary /* 9419b37ca418SVikas Chaudhary * For ISP8324 and ISP8042, if IDC_CTRL DONTRESET_BIT0 is set by other 9420b37ca418SVikas Chaudhary * protocol drivers, we should not set device_state to NEED_RESET 94216e7b4292SVikas Chaudhary */ 94226e7b4292SVikas Chaudhary if (ql4xdontresethba || 9423b37ca418SVikas Chaudhary ((is_qla8032(ha) || is_qla8042(ha)) && 9424b37ca418SVikas Chaudhary qla4_83xx_idc_dontreset(ha))) { 9425f4f5df23SVikas Chaudhary DEBUG2(printk("scsi%ld: %s: Don't Reset HBA\n", 9426f4f5df23SVikas Chaudhary ha->host_no, __func__)); 94278a288960SSarang Radke 94288a288960SSarang Radke /* Clear outstanding srb in queues */ 94298a288960SSarang Radke if (qla4xxx_is_eh_active(cmd->device->host)) 94308a288960SSarang Radke qla4xxx_abort_active_cmds(ha, DID_ABORT << 16); 94318a288960SSarang Radke 9432f4f5df23SVikas Chaudhary return FAILED; 9433f4f5df23SVikas Chaudhary } 9434f4f5df23SVikas Chaudhary 9435c2660df3SVikas Chaudhary ql4_printk(KERN_INFO, ha, 94369cb78c16SHannes Reinecke "scsi(%ld:%d:%d:%llu): HOST RESET ISSUED.\n", ha->host_no, 9437afaf5a2dSDavid Somayajulu cmd->device->channel, cmd->device->id, cmd->device->lun); 9438afaf5a2dSDavid Somayajulu 9439afaf5a2dSDavid Somayajulu if (qla4xxx_wait_for_hba_online(ha) != QLA_SUCCESS) { 9440afaf5a2dSDavid Somayajulu DEBUG2(printk("scsi%ld:%d: %s: Unable to reset host. Adapter " 9441afaf5a2dSDavid Somayajulu "DEAD.\n", ha->host_no, cmd->device->channel, 9442afaf5a2dSDavid Somayajulu __func__)); 9443afaf5a2dSDavid Somayajulu 9444afaf5a2dSDavid Somayajulu return FAILED; 9445afaf5a2dSDavid Somayajulu } 9446afaf5a2dSDavid Somayajulu 9447f4f5df23SVikas Chaudhary if (!test_bit(DPC_RESET_HA, &ha->dpc_flags)) { 94486e7b4292SVikas Chaudhary if (is_qla80XX(ha)) 9449f4f5df23SVikas Chaudhary set_bit(DPC_RESET_HA_FW_CONTEXT, &ha->dpc_flags); 9450f4f5df23SVikas Chaudhary else 9451f4f5df23SVikas Chaudhary set_bit(DPC_RESET_HA, &ha->dpc_flags); 9452f4f5df23SVikas Chaudhary } 945350a29aecSMike Christie 9454f4f5df23SVikas Chaudhary if (qla4xxx_recover_adapter(ha) == QLA_SUCCESS) 9455afaf5a2dSDavid Somayajulu return_status = SUCCESS; 9456afaf5a2dSDavid Somayajulu 9457c2660df3SVikas Chaudhary ql4_printk(KERN_INFO, ha, "HOST RESET %s.\n", 945825985edcSLucas De Marchi return_status == FAILED ? "FAILED" : "SUCCEEDED"); 9459afaf5a2dSDavid Somayajulu 9460afaf5a2dSDavid Somayajulu return return_status; 9461afaf5a2dSDavid Somayajulu } 9462afaf5a2dSDavid Somayajulu 946395d31262SVikas Chaudhary static int qla4xxx_context_reset(struct scsi_qla_host *ha) 946495d31262SVikas Chaudhary { 946595d31262SVikas Chaudhary uint32_t mbox_cmd[MBOX_REG_COUNT]; 946695d31262SVikas Chaudhary uint32_t mbox_sts[MBOX_REG_COUNT]; 946795d31262SVikas Chaudhary struct addr_ctrl_blk_def *acb = NULL; 946895d31262SVikas Chaudhary uint32_t acb_len = sizeof(struct addr_ctrl_blk_def); 946995d31262SVikas Chaudhary int rval = QLA_SUCCESS; 947095d31262SVikas Chaudhary dma_addr_t acb_dma; 947195d31262SVikas Chaudhary 947295d31262SVikas Chaudhary acb = dma_alloc_coherent(&ha->pdev->dev, 947395d31262SVikas Chaudhary sizeof(struct addr_ctrl_blk_def), 947495d31262SVikas Chaudhary &acb_dma, GFP_KERNEL); 947595d31262SVikas Chaudhary if (!acb) { 947695d31262SVikas Chaudhary ql4_printk(KERN_ERR, ha, "%s: Unable to alloc acb\n", 947795d31262SVikas Chaudhary __func__); 947895d31262SVikas Chaudhary rval = -ENOMEM; 947995d31262SVikas Chaudhary goto exit_port_reset; 948095d31262SVikas Chaudhary } 948195d31262SVikas Chaudhary 948295d31262SVikas Chaudhary memset(acb, 0, acb_len); 948395d31262SVikas Chaudhary 948495d31262SVikas Chaudhary rval = qla4xxx_get_acb(ha, acb_dma, PRIMARI_ACB, acb_len); 948595d31262SVikas Chaudhary if (rval != QLA_SUCCESS) { 948695d31262SVikas Chaudhary rval = -EIO; 948795d31262SVikas Chaudhary goto exit_free_acb; 948895d31262SVikas Chaudhary } 948995d31262SVikas Chaudhary 949095d31262SVikas Chaudhary rval = qla4xxx_disable_acb(ha); 949195d31262SVikas Chaudhary if (rval != QLA_SUCCESS) { 949295d31262SVikas Chaudhary rval = -EIO; 949395d31262SVikas Chaudhary goto exit_free_acb; 949495d31262SVikas Chaudhary } 949595d31262SVikas Chaudhary 949695d31262SVikas Chaudhary wait_for_completion_timeout(&ha->disable_acb_comp, 949795d31262SVikas Chaudhary DISABLE_ACB_TOV * HZ); 949895d31262SVikas Chaudhary 949995d31262SVikas Chaudhary rval = qla4xxx_set_acb(ha, &mbox_cmd[0], &mbox_sts[0], acb_dma); 950095d31262SVikas Chaudhary if (rval != QLA_SUCCESS) { 950195d31262SVikas Chaudhary rval = -EIO; 950295d31262SVikas Chaudhary goto exit_free_acb; 950395d31262SVikas Chaudhary } 950495d31262SVikas Chaudhary 950595d31262SVikas Chaudhary exit_free_acb: 950695d31262SVikas Chaudhary dma_free_coherent(&ha->pdev->dev, sizeof(struct addr_ctrl_blk_def), 950795d31262SVikas Chaudhary acb, acb_dma); 950895d31262SVikas Chaudhary exit_port_reset: 950995d31262SVikas Chaudhary DEBUG2(ql4_printk(KERN_INFO, ha, "%s %s\n", __func__, 951095d31262SVikas Chaudhary rval == QLA_SUCCESS ? "SUCCEEDED" : "FAILED")); 951195d31262SVikas Chaudhary return rval; 951295d31262SVikas Chaudhary } 951395d31262SVikas Chaudhary 951495d31262SVikas Chaudhary static int qla4xxx_host_reset(struct Scsi_Host *shost, int reset_type) 951595d31262SVikas Chaudhary { 951695d31262SVikas Chaudhary struct scsi_qla_host *ha = to_qla_host(shost); 951795d31262SVikas Chaudhary int rval = QLA_SUCCESS; 9518ebd777deSVikas Chaudhary uint32_t idc_ctrl; 951995d31262SVikas Chaudhary 952095d31262SVikas Chaudhary if (ql4xdontresethba) { 952195d31262SVikas Chaudhary DEBUG2(ql4_printk(KERN_INFO, ha, "%s: Don't Reset HBA\n", 952295d31262SVikas Chaudhary __func__)); 952395d31262SVikas Chaudhary rval = -EPERM; 952495d31262SVikas Chaudhary goto exit_host_reset; 952595d31262SVikas Chaudhary } 952695d31262SVikas Chaudhary 952795d31262SVikas Chaudhary if (test_bit(DPC_RESET_HA, &ha->dpc_flags)) 952895d31262SVikas Chaudhary goto recover_adapter; 952995d31262SVikas Chaudhary 953095d31262SVikas Chaudhary switch (reset_type) { 953195d31262SVikas Chaudhary case SCSI_ADAPTER_RESET: 953295d31262SVikas Chaudhary set_bit(DPC_RESET_HA, &ha->dpc_flags); 953395d31262SVikas Chaudhary break; 953495d31262SVikas Chaudhary case SCSI_FIRMWARE_RESET: 953595d31262SVikas Chaudhary if (!test_bit(DPC_RESET_HA, &ha->dpc_flags)) { 95366e7b4292SVikas Chaudhary if (is_qla80XX(ha)) 953795d31262SVikas Chaudhary /* set firmware context reset */ 953895d31262SVikas Chaudhary set_bit(DPC_RESET_HA_FW_CONTEXT, 953995d31262SVikas Chaudhary &ha->dpc_flags); 954095d31262SVikas Chaudhary else { 954195d31262SVikas Chaudhary rval = qla4xxx_context_reset(ha); 954295d31262SVikas Chaudhary goto exit_host_reset; 954395d31262SVikas Chaudhary } 954495d31262SVikas Chaudhary } 954595d31262SVikas Chaudhary break; 954695d31262SVikas Chaudhary } 954795d31262SVikas Chaudhary 954895d31262SVikas Chaudhary recover_adapter: 9549b37ca418SVikas Chaudhary /* For ISP8324 and ISP8042 set graceful reset bit in IDC_DRV_CTRL if 9550ebd777deSVikas Chaudhary * reset is issued by application */ 9551b37ca418SVikas Chaudhary if ((is_qla8032(ha) || is_qla8042(ha)) && 9552b37ca418SVikas Chaudhary test_bit(DPC_RESET_HA, &ha->dpc_flags)) { 9553ebd777deSVikas Chaudhary idc_ctrl = qla4_83xx_rd_reg(ha, QLA83XX_IDC_DRV_CTRL); 9554ebd777deSVikas Chaudhary qla4_83xx_wr_reg(ha, QLA83XX_IDC_DRV_CTRL, 9555ebd777deSVikas Chaudhary (idc_ctrl | GRACEFUL_RESET_BIT1)); 9556ebd777deSVikas Chaudhary } 9557ebd777deSVikas Chaudhary 955895d31262SVikas Chaudhary rval = qla4xxx_recover_adapter(ha); 955995d31262SVikas Chaudhary if (rval != QLA_SUCCESS) { 956095d31262SVikas Chaudhary DEBUG2(ql4_printk(KERN_INFO, ha, "%s: recover adapter fail\n", 956195d31262SVikas Chaudhary __func__)); 956295d31262SVikas Chaudhary rval = -EIO; 956395d31262SVikas Chaudhary } 956495d31262SVikas Chaudhary 956595d31262SVikas Chaudhary exit_host_reset: 956695d31262SVikas Chaudhary return rval; 956795d31262SVikas Chaudhary } 956895d31262SVikas Chaudhary 95692232be0dSLalit Chandivade /* PCI AER driver recovers from all correctable errors w/o 95702232be0dSLalit Chandivade * driver intervention. For uncorrectable errors PCI AER 95712232be0dSLalit Chandivade * driver calls the following device driver's callbacks 95722232be0dSLalit Chandivade * 95732232be0dSLalit Chandivade * - Fatal Errors - link_reset 9574364757e4SCao jin * - Non-Fatal Errors - driver's error_detected() which 95752232be0dSLalit Chandivade * returns CAN_RECOVER, NEED_RESET or DISCONNECT. 95762232be0dSLalit Chandivade * 95772232be0dSLalit Chandivade * PCI AER driver calls 9578364757e4SCao jin * CAN_RECOVER - driver's mmio_enabled(), mmio_enabled() 95792232be0dSLalit Chandivade * returns RECOVERED or NEED_RESET if fw_hung 95802232be0dSLalit Chandivade * NEED_RESET - driver's slot_reset() 95812232be0dSLalit Chandivade * DISCONNECT - device is dead & cannot recover 9582364757e4SCao jin * RECOVERED - driver's resume() 95832232be0dSLalit Chandivade */ 95842232be0dSLalit Chandivade static pci_ers_result_t 95852232be0dSLalit Chandivade qla4xxx_pci_error_detected(struct pci_dev *pdev, pci_channel_state_t state) 95862232be0dSLalit Chandivade { 95872232be0dSLalit Chandivade struct scsi_qla_host *ha = pci_get_drvdata(pdev); 95882232be0dSLalit Chandivade 95892232be0dSLalit Chandivade ql4_printk(KERN_WARNING, ha, "scsi%ld: %s: error detected:state %x\n", 95902232be0dSLalit Chandivade ha->host_no, __func__, state); 95912232be0dSLalit Chandivade 95922232be0dSLalit Chandivade if (!is_aer_supported(ha)) 95932232be0dSLalit Chandivade return PCI_ERS_RESULT_NONE; 95942232be0dSLalit Chandivade 95952232be0dSLalit Chandivade switch (state) { 95962232be0dSLalit Chandivade case pci_channel_io_normal: 95972232be0dSLalit Chandivade clear_bit(AF_EEH_BUSY, &ha->flags); 95982232be0dSLalit Chandivade return PCI_ERS_RESULT_CAN_RECOVER; 95992232be0dSLalit Chandivade case pci_channel_io_frozen: 96002232be0dSLalit Chandivade set_bit(AF_EEH_BUSY, &ha->flags); 96012232be0dSLalit Chandivade qla4xxx_mailbox_premature_completion(ha); 96022232be0dSLalit Chandivade qla4xxx_free_irqs(ha); 96032232be0dSLalit Chandivade pci_disable_device(pdev); 96047b3595dfSVikas Chaudhary /* Return back all IOs */ 96057b3595dfSVikas Chaudhary qla4xxx_abort_active_cmds(ha, DID_RESET << 16); 96062232be0dSLalit Chandivade return PCI_ERS_RESULT_NEED_RESET; 96072232be0dSLalit Chandivade case pci_channel_io_perm_failure: 96082232be0dSLalit Chandivade set_bit(AF_EEH_BUSY, &ha->flags); 96092232be0dSLalit Chandivade set_bit(AF_PCI_CHANNEL_IO_PERM_FAILURE, &ha->flags); 96102232be0dSLalit Chandivade qla4xxx_abort_active_cmds(ha, DID_NO_CONNECT << 16); 96112232be0dSLalit Chandivade return PCI_ERS_RESULT_DISCONNECT; 96122232be0dSLalit Chandivade } 96132232be0dSLalit Chandivade return PCI_ERS_RESULT_NEED_RESET; 96142232be0dSLalit Chandivade } 96152232be0dSLalit Chandivade 96162232be0dSLalit Chandivade /** 96172232be0dSLalit Chandivade * qla4xxx_pci_mmio_enabled() gets called if 96182232be0dSLalit Chandivade * qla4xxx_pci_error_detected() returns PCI_ERS_RESULT_CAN_RECOVER 96192232be0dSLalit Chandivade * and read/write to the device still works. 96202232be0dSLalit Chandivade **/ 96212232be0dSLalit Chandivade static pci_ers_result_t 96222232be0dSLalit Chandivade qla4xxx_pci_mmio_enabled(struct pci_dev *pdev) 96232232be0dSLalit Chandivade { 96242232be0dSLalit Chandivade struct scsi_qla_host *ha = pci_get_drvdata(pdev); 96252232be0dSLalit Chandivade 96262232be0dSLalit Chandivade if (!is_aer_supported(ha)) 96272232be0dSLalit Chandivade return PCI_ERS_RESULT_NONE; 96282232be0dSLalit Chandivade 96292232be0dSLalit Chandivade return PCI_ERS_RESULT_RECOVERED; 96302232be0dSLalit Chandivade } 96312232be0dSLalit Chandivade 96327b3595dfSVikas Chaudhary static uint32_t qla4_8xxx_error_recovery(struct scsi_qla_host *ha) 96332232be0dSLalit Chandivade { 96342232be0dSLalit Chandivade uint32_t rval = QLA_ERROR; 96352232be0dSLalit Chandivade int fn; 96362232be0dSLalit Chandivade struct pci_dev *other_pdev = NULL; 96372232be0dSLalit Chandivade 96382232be0dSLalit Chandivade ql4_printk(KERN_WARNING, ha, "scsi%ld: In %s\n", ha->host_no, __func__); 96392232be0dSLalit Chandivade 96402232be0dSLalit Chandivade set_bit(DPC_RESET_ACTIVE, &ha->dpc_flags); 96412232be0dSLalit Chandivade 96422232be0dSLalit Chandivade if (test_bit(AF_ONLINE, &ha->flags)) { 96432232be0dSLalit Chandivade clear_bit(AF_ONLINE, &ha->flags); 9644b3a271a9SManish Rangankar clear_bit(AF_LINK_UP, &ha->flags); 9645b3a271a9SManish Rangankar iscsi_host_for_each_session(ha->host, qla4xxx_fail_session); 96462232be0dSLalit Chandivade qla4xxx_process_aen(ha, FLUSH_DDB_CHANGED_AENS); 96472232be0dSLalit Chandivade } 96482232be0dSLalit Chandivade 96492232be0dSLalit Chandivade fn = PCI_FUNC(ha->pdev->devfn); 9650daa34eb4STej Parkash if (is_qla8022(ha)) { 96512232be0dSLalit Chandivade while (fn > 0) { 96522232be0dSLalit Chandivade fn--; 9653daa34eb4STej Parkash ql4_printk(KERN_INFO, ha, "scsi%ld: %s: Finding PCI device at func %x\n", 9654daa34eb4STej Parkash ha->host_no, __func__, fn); 96552232be0dSLalit Chandivade /* Get the pci device given the domain, bus, 96562232be0dSLalit Chandivade * slot/function number */ 9657daa34eb4STej Parkash other_pdev = pci_get_domain_bus_and_slot( 9658daa34eb4STej Parkash pci_domain_nr(ha->pdev->bus), 9659daa34eb4STej Parkash ha->pdev->bus->number, 9660daa34eb4STej Parkash PCI_DEVFN(PCI_SLOT(ha->pdev->devfn), 96612232be0dSLalit Chandivade fn)); 96622232be0dSLalit Chandivade 96632232be0dSLalit Chandivade if (!other_pdev) 96642232be0dSLalit Chandivade continue; 96652232be0dSLalit Chandivade 96662232be0dSLalit Chandivade if (atomic_read(&other_pdev->enable_cnt)) { 9667daa34eb4STej Parkash ql4_printk(KERN_INFO, ha, "scsi%ld: %s: Found PCI func in enabled state%x\n", 9668daa34eb4STej Parkash ha->host_no, __func__, fn); 96692232be0dSLalit Chandivade pci_dev_put(other_pdev); 96702232be0dSLalit Chandivade break; 96712232be0dSLalit Chandivade } 96722232be0dSLalit Chandivade pci_dev_put(other_pdev); 96732232be0dSLalit Chandivade } 9674daa34eb4STej Parkash } else { 9675daa34eb4STej Parkash /* this case is meant for ISP83xx/ISP84xx only */ 9676daa34eb4STej Parkash if (qla4_83xx_can_perform_reset(ha)) { 9677daa34eb4STej Parkash /* reset fn as iSCSI is going to perform the reset */ 9678daa34eb4STej Parkash fn = 0; 9679daa34eb4STej Parkash } 9680daa34eb4STej Parkash } 96812232be0dSLalit Chandivade 96822232be0dSLalit Chandivade /* The first function on the card, the reset owner will 96832232be0dSLalit Chandivade * start & initialize the firmware. The other functions 96842232be0dSLalit Chandivade * on the card will reset the firmware context 96852232be0dSLalit Chandivade */ 96862232be0dSLalit Chandivade if (!fn) { 96872232be0dSLalit Chandivade ql4_printk(KERN_INFO, ha, "scsi%ld: %s: devfn being reset " 96882232be0dSLalit Chandivade "0x%x is the owner\n", ha->host_no, __func__, 96892232be0dSLalit Chandivade ha->pdev->devfn); 96902232be0dSLalit Chandivade 969133693c7aSVikas Chaudhary ha->isp_ops->idc_lock(ha); 969233693c7aSVikas Chaudhary qla4_8xxx_wr_direct(ha, QLA8XXX_CRB_DEV_STATE, 9693de8c72daSVikas Chaudhary QLA8XXX_DEV_COLD); 969433693c7aSVikas Chaudhary ha->isp_ops->idc_unlock(ha); 96952232be0dSLalit Chandivade 969639c95826SVikas Chaudhary rval = qla4_8xxx_update_idc_reg(ha); 969739c95826SVikas Chaudhary if (rval == QLA_ERROR) { 969839c95826SVikas Chaudhary ql4_printk(KERN_INFO, ha, "scsi%ld: %s: HW State: FAILED\n", 969939c95826SVikas Chaudhary ha->host_no, __func__); 970039c95826SVikas Chaudhary ha->isp_ops->idc_lock(ha); 970139c95826SVikas Chaudhary qla4_8xxx_wr_direct(ha, QLA8XXX_CRB_DEV_STATE, 970239c95826SVikas Chaudhary QLA8XXX_DEV_FAILED); 970339c95826SVikas Chaudhary ha->isp_ops->idc_unlock(ha); 970439c95826SVikas Chaudhary goto exit_error_recovery; 970539c95826SVikas Chaudhary } 97062232be0dSLalit Chandivade 97072232be0dSLalit Chandivade clear_bit(AF_FW_RECOVERY, &ha->flags); 970813483730SMike Christie rval = qla4xxx_initialize_adapter(ha, RESET_ADAPTER); 97092232be0dSLalit Chandivade 97102232be0dSLalit Chandivade if (rval != QLA_SUCCESS) { 97112232be0dSLalit Chandivade ql4_printk(KERN_INFO, ha, "scsi%ld: %s: HW State: " 97122232be0dSLalit Chandivade "FAILED\n", ha->host_no, __func__); 971337418cc6SNilesh Javali qla4xxx_free_irqs(ha); 971482761907SPoornima Vonti ha->isp_ops->idc_lock(ha); 97152232be0dSLalit Chandivade qla4_8xxx_clear_drv_active(ha); 971633693c7aSVikas Chaudhary qla4_8xxx_wr_direct(ha, QLA8XXX_CRB_DEV_STATE, 9717de8c72daSVikas Chaudhary QLA8XXX_DEV_FAILED); 971882761907SPoornima Vonti ha->isp_ops->idc_unlock(ha); 97192232be0dSLalit Chandivade } else { 97202232be0dSLalit Chandivade ql4_printk(KERN_INFO, ha, "scsi%ld: %s: HW State: " 97212232be0dSLalit Chandivade "READY\n", ha->host_no, __func__); 972282761907SPoornima Vonti ha->isp_ops->idc_lock(ha); 972333693c7aSVikas Chaudhary qla4_8xxx_wr_direct(ha, QLA8XXX_CRB_DEV_STATE, 9724de8c72daSVikas Chaudhary QLA8XXX_DEV_READY); 97252232be0dSLalit Chandivade /* Clear driver state register */ 972633693c7aSVikas Chaudhary qla4_8xxx_wr_direct(ha, QLA8XXX_CRB_DRV_STATE, 0); 97272232be0dSLalit Chandivade qla4_8xxx_set_drv_active(ha); 972882761907SPoornima Vonti ha->isp_ops->idc_unlock(ha); 97292232be0dSLalit Chandivade ha->isp_ops->enable_intrs(ha); 97302232be0dSLalit Chandivade } 97312232be0dSLalit Chandivade } else { 97322232be0dSLalit Chandivade ql4_printk(KERN_INFO, ha, "scsi%ld: %s: devfn 0x%x is not " 97332232be0dSLalit Chandivade "the reset owner\n", ha->host_no, __func__, 97342232be0dSLalit Chandivade ha->pdev->devfn); 973533693c7aSVikas Chaudhary if ((qla4_8xxx_rd_direct(ha, QLA8XXX_CRB_DEV_STATE) == 9736de8c72daSVikas Chaudhary QLA8XXX_DEV_READY)) { 97372232be0dSLalit Chandivade clear_bit(AF_FW_RECOVERY, &ha->flags); 973813483730SMike Christie rval = qla4xxx_initialize_adapter(ha, RESET_ADAPTER); 9739137257daSPoornima Vonti if (rval == QLA_SUCCESS) 97402232be0dSLalit Chandivade ha->isp_ops->enable_intrs(ha); 974137418cc6SNilesh Javali else 974237418cc6SNilesh Javali qla4xxx_free_irqs(ha); 9743137257daSPoornima Vonti 974433693c7aSVikas Chaudhary ha->isp_ops->idc_lock(ha); 97452232be0dSLalit Chandivade qla4_8xxx_set_drv_active(ha); 974633693c7aSVikas Chaudhary ha->isp_ops->idc_unlock(ha); 97472232be0dSLalit Chandivade } 97482232be0dSLalit Chandivade } 974939c95826SVikas Chaudhary exit_error_recovery: 97502232be0dSLalit Chandivade clear_bit(DPC_RESET_ACTIVE, &ha->dpc_flags); 97512232be0dSLalit Chandivade return rval; 97522232be0dSLalit Chandivade } 97532232be0dSLalit Chandivade 97542232be0dSLalit Chandivade static pci_ers_result_t 97552232be0dSLalit Chandivade qla4xxx_pci_slot_reset(struct pci_dev *pdev) 97562232be0dSLalit Chandivade { 97572232be0dSLalit Chandivade pci_ers_result_t ret = PCI_ERS_RESULT_DISCONNECT; 97582232be0dSLalit Chandivade struct scsi_qla_host *ha = pci_get_drvdata(pdev); 97592232be0dSLalit Chandivade int rc; 97602232be0dSLalit Chandivade 97612232be0dSLalit Chandivade ql4_printk(KERN_WARNING, ha, "scsi%ld: %s: slot_reset\n", 97622232be0dSLalit Chandivade ha->host_no, __func__); 97632232be0dSLalit Chandivade 97642232be0dSLalit Chandivade if (!is_aer_supported(ha)) 97652232be0dSLalit Chandivade return PCI_ERS_RESULT_NONE; 97662232be0dSLalit Chandivade 97672232be0dSLalit Chandivade /* Restore the saved state of PCIe device - 97682232be0dSLalit Chandivade * BAR registers, PCI Config space, PCIX, MSI, 97692232be0dSLalit Chandivade * IOV states 97702232be0dSLalit Chandivade */ 97712232be0dSLalit Chandivade pci_restore_state(pdev); 97722232be0dSLalit Chandivade 97732232be0dSLalit Chandivade /* pci_restore_state() clears the saved_state flag of the device 97742232be0dSLalit Chandivade * save restored state which resets saved_state flag 97752232be0dSLalit Chandivade */ 97762232be0dSLalit Chandivade pci_save_state(pdev); 97772232be0dSLalit Chandivade 97782232be0dSLalit Chandivade /* Initialize device or resume if in suspended state */ 97792232be0dSLalit Chandivade rc = pci_enable_device(pdev); 97802232be0dSLalit Chandivade if (rc) { 978125985edcSLucas De Marchi ql4_printk(KERN_WARNING, ha, "scsi%ld: %s: Can't re-enable " 97822232be0dSLalit Chandivade "device after reset\n", ha->host_no, __func__); 97832232be0dSLalit Chandivade goto exit_slot_reset; 97842232be0dSLalit Chandivade } 97852232be0dSLalit Chandivade 97867b3595dfSVikas Chaudhary ha->isp_ops->disable_intrs(ha); 97872232be0dSLalit Chandivade 97886e7b4292SVikas Chaudhary if (is_qla80XX(ha)) { 97892232be0dSLalit Chandivade if (qla4_8xxx_error_recovery(ha) == QLA_SUCCESS) { 97902232be0dSLalit Chandivade ret = PCI_ERS_RESULT_RECOVERED; 97912232be0dSLalit Chandivade goto exit_slot_reset; 97922232be0dSLalit Chandivade } else 97932232be0dSLalit Chandivade goto exit_slot_reset; 97942232be0dSLalit Chandivade } 97952232be0dSLalit Chandivade 97962232be0dSLalit Chandivade exit_slot_reset: 97972232be0dSLalit Chandivade ql4_printk(KERN_WARNING, ha, "scsi%ld: %s: Return=%x\n" 97982232be0dSLalit Chandivade "device after reset\n", ha->host_no, __func__, ret); 97992232be0dSLalit Chandivade return ret; 98002232be0dSLalit Chandivade } 98012232be0dSLalit Chandivade 98022232be0dSLalit Chandivade static void 98032232be0dSLalit Chandivade qla4xxx_pci_resume(struct pci_dev *pdev) 98042232be0dSLalit Chandivade { 98052232be0dSLalit Chandivade struct scsi_qla_host *ha = pci_get_drvdata(pdev); 98062232be0dSLalit Chandivade int ret; 98072232be0dSLalit Chandivade 98082232be0dSLalit Chandivade ql4_printk(KERN_WARNING, ha, "scsi%ld: %s: pci_resume\n", 98092232be0dSLalit Chandivade ha->host_no, __func__); 98102232be0dSLalit Chandivade 98112232be0dSLalit Chandivade ret = qla4xxx_wait_for_hba_online(ha); 98122232be0dSLalit Chandivade if (ret != QLA_SUCCESS) { 98132232be0dSLalit Chandivade ql4_printk(KERN_ERR, ha, "scsi%ld: %s: the device failed to " 98142232be0dSLalit Chandivade "resume I/O from slot/link_reset\n", ha->host_no, 98152232be0dSLalit Chandivade __func__); 98162232be0dSLalit Chandivade } 98172232be0dSLalit Chandivade 98182232be0dSLalit Chandivade pci_cleanup_aer_uncorrect_error_status(pdev); 98192232be0dSLalit Chandivade clear_bit(AF_EEH_BUSY, &ha->flags); 98202232be0dSLalit Chandivade } 98212232be0dSLalit Chandivade 9822a55b2d21SStephen Hemminger static const struct pci_error_handlers qla4xxx_err_handler = { 98232232be0dSLalit Chandivade .error_detected = qla4xxx_pci_error_detected, 98242232be0dSLalit Chandivade .mmio_enabled = qla4xxx_pci_mmio_enabled, 98252232be0dSLalit Chandivade .slot_reset = qla4xxx_pci_slot_reset, 98262232be0dSLalit Chandivade .resume = qla4xxx_pci_resume, 98272232be0dSLalit Chandivade }; 98282232be0dSLalit Chandivade 9829afaf5a2dSDavid Somayajulu static struct pci_device_id qla4xxx_pci_tbl[] = { 9830afaf5a2dSDavid Somayajulu { 9831afaf5a2dSDavid Somayajulu .vendor = PCI_VENDOR_ID_QLOGIC, 9832afaf5a2dSDavid Somayajulu .device = PCI_DEVICE_ID_QLOGIC_ISP4010, 9833afaf5a2dSDavid Somayajulu .subvendor = PCI_ANY_ID, 9834afaf5a2dSDavid Somayajulu .subdevice = PCI_ANY_ID, 9835afaf5a2dSDavid Somayajulu }, 9836afaf5a2dSDavid Somayajulu { 9837afaf5a2dSDavid Somayajulu .vendor = PCI_VENDOR_ID_QLOGIC, 9838afaf5a2dSDavid Somayajulu .device = PCI_DEVICE_ID_QLOGIC_ISP4022, 9839afaf5a2dSDavid Somayajulu .subvendor = PCI_ANY_ID, 9840afaf5a2dSDavid Somayajulu .subdevice = PCI_ANY_ID, 9841afaf5a2dSDavid Somayajulu }, 9842d915058fSDavid C Somayajulu { 9843d915058fSDavid C Somayajulu .vendor = PCI_VENDOR_ID_QLOGIC, 9844d915058fSDavid C Somayajulu .device = PCI_DEVICE_ID_QLOGIC_ISP4032, 9845d915058fSDavid C Somayajulu .subvendor = PCI_ANY_ID, 9846d915058fSDavid C Somayajulu .subdevice = PCI_ANY_ID, 9847d915058fSDavid C Somayajulu }, 9848f4f5df23SVikas Chaudhary { 9849f4f5df23SVikas Chaudhary .vendor = PCI_VENDOR_ID_QLOGIC, 9850f4f5df23SVikas Chaudhary .device = PCI_DEVICE_ID_QLOGIC_ISP8022, 9851f4f5df23SVikas Chaudhary .subvendor = PCI_ANY_ID, 9852f4f5df23SVikas Chaudhary .subdevice = PCI_ANY_ID, 9853f4f5df23SVikas Chaudhary }, 98546e7b4292SVikas Chaudhary { 98556e7b4292SVikas Chaudhary .vendor = PCI_VENDOR_ID_QLOGIC, 98566e7b4292SVikas Chaudhary .device = PCI_DEVICE_ID_QLOGIC_ISP8324, 98576e7b4292SVikas Chaudhary .subvendor = PCI_ANY_ID, 98586e7b4292SVikas Chaudhary .subdevice = PCI_ANY_ID, 98596e7b4292SVikas Chaudhary }, 9860b37ca418SVikas Chaudhary { 9861b37ca418SVikas Chaudhary .vendor = PCI_VENDOR_ID_QLOGIC, 9862b37ca418SVikas Chaudhary .device = PCI_DEVICE_ID_QLOGIC_ISP8042, 9863b37ca418SVikas Chaudhary .subvendor = PCI_ANY_ID, 9864b37ca418SVikas Chaudhary .subdevice = PCI_ANY_ID, 9865b37ca418SVikas Chaudhary }, 9866afaf5a2dSDavid Somayajulu {0, 0}, 9867afaf5a2dSDavid Somayajulu }; 9868afaf5a2dSDavid Somayajulu MODULE_DEVICE_TABLE(pci, qla4xxx_pci_tbl); 9869afaf5a2dSDavid Somayajulu 987047975477SAdrian Bunk static struct pci_driver qla4xxx_pci_driver = { 9871afaf5a2dSDavid Somayajulu .name = DRIVER_NAME, 9872afaf5a2dSDavid Somayajulu .id_table = qla4xxx_pci_tbl, 9873afaf5a2dSDavid Somayajulu .probe = qla4xxx_probe_adapter, 9874afaf5a2dSDavid Somayajulu .remove = qla4xxx_remove_adapter, 98752232be0dSLalit Chandivade .err_handler = &qla4xxx_err_handler, 9876afaf5a2dSDavid Somayajulu }; 9877afaf5a2dSDavid Somayajulu 9878afaf5a2dSDavid Somayajulu static int __init qla4xxx_module_init(void) 9879afaf5a2dSDavid Somayajulu { 9880afaf5a2dSDavid Somayajulu int ret; 9881afaf5a2dSDavid Somayajulu 9882c40ecc12SChristoph Hellwig if (ql4xqfulltracking) 9883c40ecc12SChristoph Hellwig qla4xxx_driver_template.track_queue_depth = 1; 9884c40ecc12SChristoph Hellwig 9885afaf5a2dSDavid Somayajulu /* Allocate cache for SRBs. */ 9886afaf5a2dSDavid Somayajulu srb_cachep = kmem_cache_create("qla4xxx_srbs", sizeof(struct srb), 0, 988720c2df83SPaul Mundt SLAB_HWCACHE_ALIGN, NULL); 9888afaf5a2dSDavid Somayajulu if (srb_cachep == NULL) { 9889afaf5a2dSDavid Somayajulu printk(KERN_ERR 9890afaf5a2dSDavid Somayajulu "%s: Unable to allocate SRB cache..." 9891afaf5a2dSDavid Somayajulu "Failing load!\n", DRIVER_NAME); 9892afaf5a2dSDavid Somayajulu ret = -ENOMEM; 9893afaf5a2dSDavid Somayajulu goto no_srp_cache; 9894afaf5a2dSDavid Somayajulu } 9895afaf5a2dSDavid Somayajulu 9896afaf5a2dSDavid Somayajulu /* Derive version string. */ 9897afaf5a2dSDavid Somayajulu strcpy(qla4xxx_version_str, QLA4XXX_DRIVER_VERSION); 989811010fecSAndrew Vasquez if (ql4xextended_error_logging) 9899afaf5a2dSDavid Somayajulu strcat(qla4xxx_version_str, "-debug"); 9900afaf5a2dSDavid Somayajulu 9901afaf5a2dSDavid Somayajulu qla4xxx_scsi_transport = 9902afaf5a2dSDavid Somayajulu iscsi_register_transport(&qla4xxx_iscsi_transport); 9903afaf5a2dSDavid Somayajulu if (!qla4xxx_scsi_transport){ 9904afaf5a2dSDavid Somayajulu ret = -ENODEV; 9905afaf5a2dSDavid Somayajulu goto release_srb_cache; 9906afaf5a2dSDavid Somayajulu } 9907afaf5a2dSDavid Somayajulu 9908afaf5a2dSDavid Somayajulu ret = pci_register_driver(&qla4xxx_pci_driver); 9909afaf5a2dSDavid Somayajulu if (ret) 9910afaf5a2dSDavid Somayajulu goto unregister_transport; 9911afaf5a2dSDavid Somayajulu 9912afaf5a2dSDavid Somayajulu printk(KERN_INFO "QLogic iSCSI HBA Driver\n"); 9913afaf5a2dSDavid Somayajulu return 0; 99145ae16db3SDoug Maxey 9915afaf5a2dSDavid Somayajulu unregister_transport: 9916afaf5a2dSDavid Somayajulu iscsi_unregister_transport(&qla4xxx_iscsi_transport); 9917afaf5a2dSDavid Somayajulu release_srb_cache: 9918afaf5a2dSDavid Somayajulu kmem_cache_destroy(srb_cachep); 9919afaf5a2dSDavid Somayajulu no_srp_cache: 9920afaf5a2dSDavid Somayajulu return ret; 9921afaf5a2dSDavid Somayajulu } 9922afaf5a2dSDavid Somayajulu 9923afaf5a2dSDavid Somayajulu static void __exit qla4xxx_module_exit(void) 9924afaf5a2dSDavid Somayajulu { 9925afaf5a2dSDavid Somayajulu pci_unregister_driver(&qla4xxx_pci_driver); 9926afaf5a2dSDavid Somayajulu iscsi_unregister_transport(&qla4xxx_iscsi_transport); 9927afaf5a2dSDavid Somayajulu kmem_cache_destroy(srb_cachep); 9928afaf5a2dSDavid Somayajulu } 9929afaf5a2dSDavid Somayajulu 9930afaf5a2dSDavid Somayajulu module_init(qla4xxx_module_init); 9931afaf5a2dSDavid Somayajulu module_exit(qla4xxx_module_exit); 9932afaf5a2dSDavid Somayajulu 9933afaf5a2dSDavid Somayajulu MODULE_AUTHOR("QLogic Corporation"); 9934afaf5a2dSDavid Somayajulu MODULE_DESCRIPTION("QLogic iSCSI HBA Driver"); 9935afaf5a2dSDavid Somayajulu MODULE_LICENSE("GPL"); 9936afaf5a2dSDavid Somayajulu MODULE_VERSION(QLA4XXX_DRIVER_VERSION); 9937