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 .sg_tablesize = SG_ALL, 209afaf5a2dSDavid Somayajulu 210afaf5a2dSDavid Somayajulu .max_sectors = 0xFFFF, 2117ad633c0SHarish Zunjarrao .shost_attrs = qla4xxx_host_attrs, 21295d31262SVikas Chaudhary .host_reset = qla4xxx_host_reset, 213a355943cSVikas Chaudhary .vendor_id = SCSI_NL_VID_TYPE_PCI | PCI_VENDOR_ID_QLOGIC, 214afaf5a2dSDavid Somayajulu }; 215afaf5a2dSDavid Somayajulu 216afaf5a2dSDavid Somayajulu static struct iscsi_transport qla4xxx_iscsi_transport = { 217afaf5a2dSDavid Somayajulu .owner = THIS_MODULE, 218afaf5a2dSDavid Somayajulu .name = DRIVER_NAME, 219b3a271a9SManish Rangankar .caps = CAP_TEXT_NEGO | 220b3a271a9SManish Rangankar CAP_DATA_PATH_OFFLOAD | CAP_HDRDGST | 221b3a271a9SManish Rangankar CAP_DATADGST | CAP_LOGIN_OFFLOAD | 222b3a271a9SManish Rangankar CAP_MULTI_R2T, 2235e9bcec7SVikas Chaudhary .attr_is_visible = qla4_attr_is_visible, 224b3a271a9SManish Rangankar .create_session = qla4xxx_session_create, 225b3a271a9SManish Rangankar .destroy_session = qla4xxx_session_destroy, 226b3a271a9SManish Rangankar .start_conn = qla4xxx_conn_start, 227b3a271a9SManish Rangankar .create_conn = qla4xxx_conn_create, 228b3a271a9SManish Rangankar .bind_conn = qla4xxx_conn_bind, 229b3a271a9SManish Rangankar .stop_conn = iscsi_conn_stop, 230b3a271a9SManish Rangankar .destroy_conn = qla4xxx_conn_destroy, 231b3a271a9SManish Rangankar .set_param = iscsi_set_param, 232afaf5a2dSDavid Somayajulu .get_conn_param = qla4xxx_conn_get_param, 233fca9f04dSMike Christie .get_session_param = qla4xxx_session_get_param, 234b3a271a9SManish Rangankar .get_ep_param = qla4xxx_get_ep_param, 235b3a271a9SManish Rangankar .ep_connect = qla4xxx_ep_connect, 236b3a271a9SManish Rangankar .ep_poll = qla4xxx_ep_poll, 237b3a271a9SManish Rangankar .ep_disconnect = qla4xxx_ep_disconnect, 238b3a271a9SManish Rangankar .get_stats = qla4xxx_conn_get_stats, 239b3a271a9SManish Rangankar .send_pdu = iscsi_conn_send_pdu, 240b3a271a9SManish Rangankar .xmit_task = qla4xxx_task_xmit, 241b3a271a9SManish Rangankar .cleanup_task = qla4xxx_task_cleanup, 242b3a271a9SManish Rangankar .alloc_pdu = qla4xxx_alloc_pdu, 243b3a271a9SManish Rangankar 244aa1e93a2SMike Christie .get_host_param = qla4xxx_host_get_param, 245d00efe3fSMike Christie .set_iface_param = qla4xxx_iface_set_param, 246ed1086e0SVikas Chaudhary .get_iface_param = qla4xxx_get_iface_param, 247a355943cSVikas Chaudhary .bsg_request = qla4xxx_bsg_request, 248c0b9d3f7SVikas Chaudhary .send_ping = qla4xxx_send_ping, 249376738afSNilesh Javali .get_chap = qla4xxx_get_chap_list, 250376738afSNilesh Javali .delete_chap = qla4xxx_delete_chap, 25126ffd7b4SAdheer Chandravanshi .set_chap = qla4xxx_set_chap_entry, 2521e9e2be3SAdheer Chandravanshi .get_flashnode_param = qla4xxx_sysfs_ddb_get_param, 2531e9e2be3SAdheer Chandravanshi .set_flashnode_param = qla4xxx_sysfs_ddb_set_param, 2541e9e2be3SAdheer Chandravanshi .new_flashnode = qla4xxx_sysfs_ddb_add, 2551e9e2be3SAdheer Chandravanshi .del_flashnode = qla4xxx_sysfs_ddb_delete, 2561e9e2be3SAdheer Chandravanshi .login_flashnode = qla4xxx_sysfs_ddb_login, 2571e9e2be3SAdheer Chandravanshi .logout_flashnode = qla4xxx_sysfs_ddb_logout, 2581e9e2be3SAdheer Chandravanshi .logout_flashnode_sid = qla4xxx_sysfs_ddb_logout_sid, 2594161cee5SLalit Chandivade .get_host_stats = qla4xxx_get_host_stats, 260afaf5a2dSDavid Somayajulu }; 261afaf5a2dSDavid Somayajulu 262afaf5a2dSDavid Somayajulu static struct scsi_transport_template *qla4xxx_scsi_transport; 263afaf5a2dSDavid Somayajulu 2641bc5ad3aSManish Rangankar static int qla4xxx_isp_check_reg(struct scsi_qla_host *ha) 2651bc5ad3aSManish Rangankar { 2661bc5ad3aSManish Rangankar u32 reg_val = 0; 2671bc5ad3aSManish Rangankar int rval = QLA_SUCCESS; 2681bc5ad3aSManish Rangankar 2691bc5ad3aSManish Rangankar if (is_qla8022(ha)) 2701bc5ad3aSManish Rangankar reg_val = readl(&ha->qla4_82xx_reg->host_status); 2711bc5ad3aSManish Rangankar else if (is_qla8032(ha) || is_qla8042(ha)) 2721bc5ad3aSManish Rangankar reg_val = qla4_8xxx_rd_direct(ha, QLA8XXX_PEG_ALIVE_COUNTER); 2731bc5ad3aSManish Rangankar else 2741bc5ad3aSManish Rangankar reg_val = readw(&ha->reg->ctrl_status); 2751bc5ad3aSManish Rangankar 2761bc5ad3aSManish Rangankar if (reg_val == QL4_ISP_REG_DISCONNECT) 2771bc5ad3aSManish Rangankar rval = QLA_ERROR; 2781bc5ad3aSManish Rangankar 2791bc5ad3aSManish Rangankar return rval; 2801bc5ad3aSManish Rangankar } 2811bc5ad3aSManish Rangankar 282c0b9d3f7SVikas Chaudhary static int qla4xxx_send_ping(struct Scsi_Host *shost, uint32_t iface_num, 283c0b9d3f7SVikas Chaudhary uint32_t iface_type, uint32_t payload_size, 284c0b9d3f7SVikas Chaudhary uint32_t pid, struct sockaddr *dst_addr) 285c0b9d3f7SVikas Chaudhary { 286c0b9d3f7SVikas Chaudhary struct scsi_qla_host *ha = to_qla_host(shost); 287c0b9d3f7SVikas Chaudhary struct sockaddr_in *addr; 288c0b9d3f7SVikas Chaudhary struct sockaddr_in6 *addr6; 289c0b9d3f7SVikas Chaudhary uint32_t options = 0; 290c0b9d3f7SVikas Chaudhary uint8_t ipaddr[IPv6_ADDR_LEN]; 291c0b9d3f7SVikas Chaudhary int rval; 292c0b9d3f7SVikas Chaudhary 293c0b9d3f7SVikas Chaudhary memset(ipaddr, 0, IPv6_ADDR_LEN); 294c0b9d3f7SVikas Chaudhary /* IPv4 to IPv4 */ 295c0b9d3f7SVikas Chaudhary if ((iface_type == ISCSI_IFACE_TYPE_IPV4) && 296c0b9d3f7SVikas Chaudhary (dst_addr->sa_family == AF_INET)) { 297c0b9d3f7SVikas Chaudhary addr = (struct sockaddr_in *)dst_addr; 298c0b9d3f7SVikas Chaudhary memcpy(ipaddr, &addr->sin_addr.s_addr, IP_ADDR_LEN); 299c0b9d3f7SVikas Chaudhary DEBUG2(ql4_printk(KERN_INFO, ha, "%s: IPv4 Ping src: %pI4 " 300c0b9d3f7SVikas Chaudhary "dest: %pI4\n", __func__, 301c0b9d3f7SVikas Chaudhary &ha->ip_config.ip_address, ipaddr)); 302c0b9d3f7SVikas Chaudhary rval = qla4xxx_ping_iocb(ha, options, payload_size, pid, 303c0b9d3f7SVikas Chaudhary ipaddr); 304c0b9d3f7SVikas Chaudhary if (rval) 305c0b9d3f7SVikas Chaudhary rval = -EINVAL; 306c0b9d3f7SVikas Chaudhary } else if ((iface_type == ISCSI_IFACE_TYPE_IPV6) && 307c0b9d3f7SVikas Chaudhary (dst_addr->sa_family == AF_INET6)) { 308c0b9d3f7SVikas Chaudhary /* IPv6 to IPv6 */ 309c0b9d3f7SVikas Chaudhary addr6 = (struct sockaddr_in6 *)dst_addr; 310c0b9d3f7SVikas Chaudhary memcpy(ipaddr, &addr6->sin6_addr.in6_u.u6_addr8, IPv6_ADDR_LEN); 311c0b9d3f7SVikas Chaudhary 312c0b9d3f7SVikas Chaudhary options |= PING_IPV6_PROTOCOL_ENABLE; 313c0b9d3f7SVikas Chaudhary 314c0b9d3f7SVikas Chaudhary /* Ping using LinkLocal address */ 315c0b9d3f7SVikas Chaudhary if ((iface_num == 0) || (iface_num == 1)) { 316c0b9d3f7SVikas Chaudhary DEBUG2(ql4_printk(KERN_INFO, ha, "%s: LinkLocal Ping " 317c0b9d3f7SVikas Chaudhary "src: %pI6 dest: %pI6\n", __func__, 318c0b9d3f7SVikas Chaudhary &ha->ip_config.ipv6_link_local_addr, 319c0b9d3f7SVikas Chaudhary ipaddr)); 320c0b9d3f7SVikas Chaudhary options |= PING_IPV6_LINKLOCAL_ADDR; 321c0b9d3f7SVikas Chaudhary rval = qla4xxx_ping_iocb(ha, options, payload_size, 322c0b9d3f7SVikas Chaudhary pid, ipaddr); 323c0b9d3f7SVikas Chaudhary } else { 324c0b9d3f7SVikas Chaudhary ql4_printk(KERN_WARNING, ha, "%s: iface num = %d " 325c0b9d3f7SVikas Chaudhary "not supported\n", __func__, iface_num); 326c0b9d3f7SVikas Chaudhary rval = -ENOSYS; 327c0b9d3f7SVikas Chaudhary goto exit_send_ping; 328c0b9d3f7SVikas Chaudhary } 329c0b9d3f7SVikas Chaudhary 330c0b9d3f7SVikas Chaudhary /* 331c0b9d3f7SVikas Chaudhary * If ping using LinkLocal address fails, try ping using 332c0b9d3f7SVikas Chaudhary * IPv6 address 333c0b9d3f7SVikas Chaudhary */ 334c0b9d3f7SVikas Chaudhary if (rval != QLA_SUCCESS) { 335c0b9d3f7SVikas Chaudhary options &= ~PING_IPV6_LINKLOCAL_ADDR; 336c0b9d3f7SVikas Chaudhary if (iface_num == 0) { 337c0b9d3f7SVikas Chaudhary options |= PING_IPV6_ADDR0; 338c0b9d3f7SVikas Chaudhary DEBUG2(ql4_printk(KERN_INFO, ha, "%s: IPv6 " 339c0b9d3f7SVikas Chaudhary "Ping src: %pI6 " 340c0b9d3f7SVikas Chaudhary "dest: %pI6\n", __func__, 341c0b9d3f7SVikas Chaudhary &ha->ip_config.ipv6_addr0, 342c0b9d3f7SVikas Chaudhary ipaddr)); 343c0b9d3f7SVikas Chaudhary } else if (iface_num == 1) { 344c0b9d3f7SVikas Chaudhary options |= PING_IPV6_ADDR1; 345c0b9d3f7SVikas Chaudhary DEBUG2(ql4_printk(KERN_INFO, ha, "%s: IPv6 " 346c0b9d3f7SVikas Chaudhary "Ping src: %pI6 " 347c0b9d3f7SVikas Chaudhary "dest: %pI6\n", __func__, 348c0b9d3f7SVikas Chaudhary &ha->ip_config.ipv6_addr1, 349c0b9d3f7SVikas Chaudhary ipaddr)); 350c0b9d3f7SVikas Chaudhary } 351c0b9d3f7SVikas Chaudhary rval = qla4xxx_ping_iocb(ha, options, payload_size, 352c0b9d3f7SVikas Chaudhary pid, ipaddr); 353c0b9d3f7SVikas Chaudhary if (rval) 354c0b9d3f7SVikas Chaudhary rval = -EINVAL; 355c0b9d3f7SVikas Chaudhary } 356c0b9d3f7SVikas Chaudhary } else 357c0b9d3f7SVikas Chaudhary rval = -ENOSYS; 358c0b9d3f7SVikas Chaudhary exit_send_ping: 359c0b9d3f7SVikas Chaudhary return rval; 360c0b9d3f7SVikas Chaudhary } 361c0b9d3f7SVikas Chaudhary 3625e9bcec7SVikas Chaudhary static umode_t qla4_attr_is_visible(int param_type, int param) 3633128c6c7SMike Christie { 3643128c6c7SMike Christie switch (param_type) { 365f27fb2efSMike Christie case ISCSI_HOST_PARAM: 366f27fb2efSMike Christie switch (param) { 367f27fb2efSMike Christie case ISCSI_HOST_PARAM_HWADDRESS: 368f27fb2efSMike Christie case ISCSI_HOST_PARAM_IPADDRESS: 369f27fb2efSMike Christie case ISCSI_HOST_PARAM_INITIATOR_NAME: 3703254dbe9SVikas Chaudhary case ISCSI_HOST_PARAM_PORT_STATE: 3713254dbe9SVikas Chaudhary case ISCSI_HOST_PARAM_PORT_SPEED: 372f27fb2efSMike Christie return S_IRUGO; 373f27fb2efSMike Christie default: 374f27fb2efSMike Christie return 0; 375f27fb2efSMike Christie } 3763128c6c7SMike Christie case ISCSI_PARAM: 3773128c6c7SMike Christie switch (param) { 378590134faSMike Christie case ISCSI_PARAM_PERSISTENT_ADDRESS: 379590134faSMike Christie case ISCSI_PARAM_PERSISTENT_PORT: 3803128c6c7SMike Christie case ISCSI_PARAM_CONN_ADDRESS: 3813128c6c7SMike Christie case ISCSI_PARAM_CONN_PORT: 3821d063c17SMike Christie case ISCSI_PARAM_TARGET_NAME: 3831d063c17SMike Christie case ISCSI_PARAM_TPGT: 3841d063c17SMike Christie case ISCSI_PARAM_TARGET_ALIAS: 385b3a271a9SManish Rangankar case ISCSI_PARAM_MAX_BURST: 386b3a271a9SManish Rangankar case ISCSI_PARAM_MAX_R2T: 387b3a271a9SManish Rangankar case ISCSI_PARAM_FIRST_BURST: 388b3a271a9SManish Rangankar case ISCSI_PARAM_MAX_RECV_DLENGTH: 389b3a271a9SManish Rangankar case ISCSI_PARAM_MAX_XMIT_DLENGTH: 390de37920bSMike Christie case ISCSI_PARAM_IFACE_NAME: 391fca9f04dSMike Christie case ISCSI_PARAM_CHAP_OUT_IDX: 392fca9f04dSMike Christie case ISCSI_PARAM_CHAP_IN_IDX: 393fca9f04dSMike Christie case ISCSI_PARAM_USERNAME: 394fca9f04dSMike Christie case ISCSI_PARAM_PASSWORD: 395fca9f04dSMike Christie case ISCSI_PARAM_USERNAME_IN: 396fca9f04dSMike Christie case ISCSI_PARAM_PASSWORD_IN: 3978cc91d42SAdheer Chandravanshi case ISCSI_PARAM_AUTO_SND_TGT_DISABLE: 3988cc91d42SAdheer Chandravanshi case ISCSI_PARAM_DISCOVERY_SESS: 3998cc91d42SAdheer Chandravanshi case ISCSI_PARAM_PORTAL_TYPE: 4008cc91d42SAdheer Chandravanshi case ISCSI_PARAM_CHAP_AUTH_EN: 4018cc91d42SAdheer Chandravanshi case ISCSI_PARAM_DISCOVERY_LOGOUT_EN: 4028cc91d42SAdheer Chandravanshi case ISCSI_PARAM_BIDI_CHAP_EN: 4038cc91d42SAdheer Chandravanshi case ISCSI_PARAM_DISCOVERY_AUTH_OPTIONAL: 4048cc91d42SAdheer Chandravanshi case ISCSI_PARAM_DEF_TIME2WAIT: 4058cc91d42SAdheer Chandravanshi case ISCSI_PARAM_DEF_TIME2RETAIN: 4068cc91d42SAdheer Chandravanshi case ISCSI_PARAM_HDRDGST_EN: 4078cc91d42SAdheer Chandravanshi case ISCSI_PARAM_DATADGST_EN: 4088cc91d42SAdheer Chandravanshi case ISCSI_PARAM_INITIAL_R2T_EN: 4098cc91d42SAdheer Chandravanshi case ISCSI_PARAM_IMM_DATA_EN: 4108cc91d42SAdheer Chandravanshi case ISCSI_PARAM_PDU_INORDER_EN: 4118cc91d42SAdheer Chandravanshi case ISCSI_PARAM_DATASEQ_INORDER_EN: 4128cc91d42SAdheer Chandravanshi case ISCSI_PARAM_MAX_SEGMENT_SIZE: 4138cc91d42SAdheer Chandravanshi case ISCSI_PARAM_TCP_TIMESTAMP_STAT: 4148cc91d42SAdheer Chandravanshi case ISCSI_PARAM_TCP_WSF_DISABLE: 4158cc91d42SAdheer Chandravanshi case ISCSI_PARAM_TCP_NAGLE_DISABLE: 4168cc91d42SAdheer Chandravanshi case ISCSI_PARAM_TCP_TIMER_SCALE: 4178cc91d42SAdheer Chandravanshi case ISCSI_PARAM_TCP_TIMESTAMP_EN: 4188cc91d42SAdheer Chandravanshi case ISCSI_PARAM_TCP_XMIT_WSF: 4198cc91d42SAdheer Chandravanshi case ISCSI_PARAM_TCP_RECV_WSF: 4208cc91d42SAdheer Chandravanshi case ISCSI_PARAM_IP_FRAGMENT_DISABLE: 4218cc91d42SAdheer Chandravanshi case ISCSI_PARAM_IPV4_TOS: 4228cc91d42SAdheer Chandravanshi case ISCSI_PARAM_IPV6_TC: 4238cc91d42SAdheer Chandravanshi case ISCSI_PARAM_IPV6_FLOW_LABEL: 4248cc91d42SAdheer Chandravanshi case ISCSI_PARAM_IS_FW_ASSIGNED_IPV6: 4258cc91d42SAdheer Chandravanshi case ISCSI_PARAM_KEEPALIVE_TMO: 4268cc91d42SAdheer Chandravanshi case ISCSI_PARAM_LOCAL_PORT: 4278cc91d42SAdheer Chandravanshi case ISCSI_PARAM_ISID: 4288cc91d42SAdheer Chandravanshi case ISCSI_PARAM_TSID: 4298cc91d42SAdheer Chandravanshi case ISCSI_PARAM_DEF_TASKMGMT_TMO: 4308cc91d42SAdheer Chandravanshi case ISCSI_PARAM_ERL: 4318cc91d42SAdheer Chandravanshi case ISCSI_PARAM_STATSN: 4328cc91d42SAdheer Chandravanshi case ISCSI_PARAM_EXP_STATSN: 4338cc91d42SAdheer Chandravanshi case ISCSI_PARAM_DISCOVERY_PARENT_IDX: 4348cc91d42SAdheer Chandravanshi case ISCSI_PARAM_DISCOVERY_PARENT_TYPE: 435fb734ee3SAdheer Chandravanshi case ISCSI_PARAM_LOCAL_IPADDR: 4363128c6c7SMike Christie return S_IRUGO; 4373128c6c7SMike Christie default: 4383128c6c7SMike Christie return 0; 4393128c6c7SMike Christie } 440b78dbba0SMike Christie case ISCSI_NET_PARAM: 441b78dbba0SMike Christie switch (param) { 442b78dbba0SMike Christie case ISCSI_NET_PARAM_IPV4_ADDR: 443b78dbba0SMike Christie case ISCSI_NET_PARAM_IPV4_SUBNET: 444b78dbba0SMike Christie case ISCSI_NET_PARAM_IPV4_GW: 445b78dbba0SMike Christie case ISCSI_NET_PARAM_IPV4_BOOTPROTO: 446b78dbba0SMike Christie case ISCSI_NET_PARAM_IFACE_ENABLE: 447b78dbba0SMike Christie case ISCSI_NET_PARAM_IPV6_LINKLOCAL: 448b78dbba0SMike Christie case ISCSI_NET_PARAM_IPV6_ADDR: 449b78dbba0SMike Christie case ISCSI_NET_PARAM_IPV6_ROUTER: 450b78dbba0SMike Christie case ISCSI_NET_PARAM_IPV6_ADDR_AUTOCFG: 451b78dbba0SMike Christie case ISCSI_NET_PARAM_IPV6_LINKLOCAL_AUTOCFG: 4526ac73e8cSVikas Chaudhary case ISCSI_NET_PARAM_VLAN_ID: 4536ac73e8cSVikas Chaudhary case ISCSI_NET_PARAM_VLAN_PRIORITY: 4546ac73e8cSVikas Chaudhary case ISCSI_NET_PARAM_VLAN_ENABLED: 455943c157bSVikas Chaudhary case ISCSI_NET_PARAM_MTU: 4562ada7fc5SVikas Chaudhary case ISCSI_NET_PARAM_PORT: 457f8e93412SHarish Zunjarrao case ISCSI_NET_PARAM_IPADDR_STATE: 458f8e93412SHarish Zunjarrao case ISCSI_NET_PARAM_IPV6_LINKLOCAL_STATE: 459f8e93412SHarish Zunjarrao case ISCSI_NET_PARAM_IPV6_ROUTER_STATE: 460f8e93412SHarish Zunjarrao case ISCSI_NET_PARAM_DELAYED_ACK_EN: 461f8e93412SHarish Zunjarrao case ISCSI_NET_PARAM_TCP_NAGLE_DISABLE: 462f8e93412SHarish Zunjarrao case ISCSI_NET_PARAM_TCP_WSF_DISABLE: 463f8e93412SHarish Zunjarrao case ISCSI_NET_PARAM_TCP_WSF: 464f8e93412SHarish Zunjarrao case ISCSI_NET_PARAM_TCP_TIMER_SCALE: 465f8e93412SHarish Zunjarrao case ISCSI_NET_PARAM_TCP_TIMESTAMP_EN: 466f8e93412SHarish Zunjarrao case ISCSI_NET_PARAM_CACHE_ID: 467f8e93412SHarish Zunjarrao case ISCSI_NET_PARAM_IPV4_DHCP_DNS_ADDR_EN: 468f8e93412SHarish Zunjarrao case ISCSI_NET_PARAM_IPV4_DHCP_SLP_DA_EN: 469f8e93412SHarish Zunjarrao case ISCSI_NET_PARAM_IPV4_TOS_EN: 470f8e93412SHarish Zunjarrao case ISCSI_NET_PARAM_IPV4_TOS: 471f8e93412SHarish Zunjarrao case ISCSI_NET_PARAM_IPV4_GRAT_ARP_EN: 472f8e93412SHarish Zunjarrao case ISCSI_NET_PARAM_IPV4_DHCP_ALT_CLIENT_ID_EN: 473f8e93412SHarish Zunjarrao case ISCSI_NET_PARAM_IPV4_DHCP_ALT_CLIENT_ID: 474f8e93412SHarish Zunjarrao case ISCSI_NET_PARAM_IPV4_DHCP_REQ_VENDOR_ID_EN: 475f8e93412SHarish Zunjarrao case ISCSI_NET_PARAM_IPV4_DHCP_USE_VENDOR_ID_EN: 476f8e93412SHarish Zunjarrao case ISCSI_NET_PARAM_IPV4_DHCP_VENDOR_ID: 477f8e93412SHarish Zunjarrao case ISCSI_NET_PARAM_IPV4_DHCP_LEARN_IQN_EN: 478f8e93412SHarish Zunjarrao case ISCSI_NET_PARAM_IPV4_FRAGMENT_DISABLE: 479f8e93412SHarish Zunjarrao case ISCSI_NET_PARAM_IPV4_IN_FORWARD_EN: 480f8e93412SHarish Zunjarrao case ISCSI_NET_PARAM_REDIRECT_EN: 481f8e93412SHarish Zunjarrao case ISCSI_NET_PARAM_IPV4_TTL: 482f8e93412SHarish Zunjarrao case ISCSI_NET_PARAM_IPV6_GRAT_NEIGHBOR_ADV_EN: 483f8e93412SHarish Zunjarrao case ISCSI_NET_PARAM_IPV6_MLD_EN: 484f8e93412SHarish Zunjarrao case ISCSI_NET_PARAM_IPV6_FLOW_LABEL: 485f8e93412SHarish Zunjarrao case ISCSI_NET_PARAM_IPV6_TRAFFIC_CLASS: 486f8e93412SHarish Zunjarrao case ISCSI_NET_PARAM_IPV6_HOP_LIMIT: 487f8e93412SHarish Zunjarrao case ISCSI_NET_PARAM_IPV6_ND_REACHABLE_TMO: 488f8e93412SHarish Zunjarrao case ISCSI_NET_PARAM_IPV6_ND_REXMIT_TIME: 489f8e93412SHarish Zunjarrao case ISCSI_NET_PARAM_IPV6_ND_STALE_TMO: 490f8e93412SHarish Zunjarrao case ISCSI_NET_PARAM_IPV6_DUP_ADDR_DETECT_CNT: 491f8e93412SHarish Zunjarrao case ISCSI_NET_PARAM_IPV6_RTR_ADV_LINK_MTU: 492f8e93412SHarish Zunjarrao return S_IRUGO; 493f8e93412SHarish Zunjarrao default: 494f8e93412SHarish Zunjarrao return 0; 495f8e93412SHarish Zunjarrao } 496f8e93412SHarish Zunjarrao case ISCSI_IFACE_PARAM: 497f8e93412SHarish Zunjarrao switch (param) { 498f8e93412SHarish Zunjarrao case ISCSI_IFACE_PARAM_DEF_TASKMGMT_TMO: 499f8e93412SHarish Zunjarrao case ISCSI_IFACE_PARAM_HDRDGST_EN: 500f8e93412SHarish Zunjarrao case ISCSI_IFACE_PARAM_DATADGST_EN: 501f8e93412SHarish Zunjarrao case ISCSI_IFACE_PARAM_IMM_DATA_EN: 502f8e93412SHarish Zunjarrao case ISCSI_IFACE_PARAM_INITIAL_R2T_EN: 503f8e93412SHarish Zunjarrao case ISCSI_IFACE_PARAM_DATASEQ_INORDER_EN: 504f8e93412SHarish Zunjarrao case ISCSI_IFACE_PARAM_PDU_INORDER_EN: 505f8e93412SHarish Zunjarrao case ISCSI_IFACE_PARAM_ERL: 506f8e93412SHarish Zunjarrao case ISCSI_IFACE_PARAM_MAX_RECV_DLENGTH: 507f8e93412SHarish Zunjarrao case ISCSI_IFACE_PARAM_FIRST_BURST: 508f8e93412SHarish Zunjarrao case ISCSI_IFACE_PARAM_MAX_R2T: 509f8e93412SHarish Zunjarrao case ISCSI_IFACE_PARAM_MAX_BURST: 510f8e93412SHarish Zunjarrao case ISCSI_IFACE_PARAM_CHAP_AUTH_EN: 511f8e93412SHarish Zunjarrao case ISCSI_IFACE_PARAM_BIDI_CHAP_EN: 512f8e93412SHarish Zunjarrao case ISCSI_IFACE_PARAM_DISCOVERY_AUTH_OPTIONAL: 513f8e93412SHarish Zunjarrao case ISCSI_IFACE_PARAM_DISCOVERY_LOGOUT_EN: 514f8e93412SHarish Zunjarrao case ISCSI_IFACE_PARAM_STRICT_LOGIN_COMP_EN: 515f8e93412SHarish Zunjarrao case ISCSI_IFACE_PARAM_INITIATOR_NAME: 516b78dbba0SMike Christie return S_IRUGO; 517b78dbba0SMike Christie default: 518b78dbba0SMike Christie return 0; 519b78dbba0SMike Christie } 5201e9e2be3SAdheer Chandravanshi case ISCSI_FLASHNODE_PARAM: 5211e9e2be3SAdheer Chandravanshi switch (param) { 5221e9e2be3SAdheer Chandravanshi case ISCSI_FLASHNODE_IS_FW_ASSIGNED_IPV6: 5231e9e2be3SAdheer Chandravanshi case ISCSI_FLASHNODE_PORTAL_TYPE: 5241e9e2be3SAdheer Chandravanshi case ISCSI_FLASHNODE_AUTO_SND_TGT_DISABLE: 5251e9e2be3SAdheer Chandravanshi case ISCSI_FLASHNODE_DISCOVERY_SESS: 5261e9e2be3SAdheer Chandravanshi case ISCSI_FLASHNODE_ENTRY_EN: 5271e9e2be3SAdheer Chandravanshi case ISCSI_FLASHNODE_HDR_DGST_EN: 5281e9e2be3SAdheer Chandravanshi case ISCSI_FLASHNODE_DATA_DGST_EN: 5291e9e2be3SAdheer Chandravanshi case ISCSI_FLASHNODE_IMM_DATA_EN: 5301e9e2be3SAdheer Chandravanshi case ISCSI_FLASHNODE_INITIAL_R2T_EN: 5311e9e2be3SAdheer Chandravanshi case ISCSI_FLASHNODE_DATASEQ_INORDER: 5321e9e2be3SAdheer Chandravanshi case ISCSI_FLASHNODE_PDU_INORDER: 5331e9e2be3SAdheer Chandravanshi case ISCSI_FLASHNODE_CHAP_AUTH_EN: 5341e9e2be3SAdheer Chandravanshi case ISCSI_FLASHNODE_SNACK_REQ_EN: 5351e9e2be3SAdheer Chandravanshi case ISCSI_FLASHNODE_DISCOVERY_LOGOUT_EN: 5361e9e2be3SAdheer Chandravanshi case ISCSI_FLASHNODE_BIDI_CHAP_EN: 5371e9e2be3SAdheer Chandravanshi case ISCSI_FLASHNODE_DISCOVERY_AUTH_OPTIONAL: 5381e9e2be3SAdheer Chandravanshi case ISCSI_FLASHNODE_ERL: 5391e9e2be3SAdheer Chandravanshi case ISCSI_FLASHNODE_TCP_TIMESTAMP_STAT: 5401e9e2be3SAdheer Chandravanshi case ISCSI_FLASHNODE_TCP_NAGLE_DISABLE: 5411e9e2be3SAdheer Chandravanshi case ISCSI_FLASHNODE_TCP_WSF_DISABLE: 5421e9e2be3SAdheer Chandravanshi case ISCSI_FLASHNODE_TCP_TIMER_SCALE: 5431e9e2be3SAdheer Chandravanshi case ISCSI_FLASHNODE_TCP_TIMESTAMP_EN: 5441e9e2be3SAdheer Chandravanshi case ISCSI_FLASHNODE_IP_FRAG_DISABLE: 5451e9e2be3SAdheer Chandravanshi case ISCSI_FLASHNODE_MAX_RECV_DLENGTH: 5461e9e2be3SAdheer Chandravanshi case ISCSI_FLASHNODE_MAX_XMIT_DLENGTH: 5471e9e2be3SAdheer Chandravanshi case ISCSI_FLASHNODE_FIRST_BURST: 5481e9e2be3SAdheer Chandravanshi case ISCSI_FLASHNODE_DEF_TIME2WAIT: 5491e9e2be3SAdheer Chandravanshi case ISCSI_FLASHNODE_DEF_TIME2RETAIN: 5501e9e2be3SAdheer Chandravanshi case ISCSI_FLASHNODE_MAX_R2T: 5511e9e2be3SAdheer Chandravanshi case ISCSI_FLASHNODE_KEEPALIVE_TMO: 5521e9e2be3SAdheer Chandravanshi case ISCSI_FLASHNODE_ISID: 5531e9e2be3SAdheer Chandravanshi case ISCSI_FLASHNODE_TSID: 5541e9e2be3SAdheer Chandravanshi case ISCSI_FLASHNODE_PORT: 5551e9e2be3SAdheer Chandravanshi case ISCSI_FLASHNODE_MAX_BURST: 5561e9e2be3SAdheer Chandravanshi case ISCSI_FLASHNODE_DEF_TASKMGMT_TMO: 5571e9e2be3SAdheer Chandravanshi case ISCSI_FLASHNODE_IPADDR: 5581e9e2be3SAdheer Chandravanshi case ISCSI_FLASHNODE_ALIAS: 5591e9e2be3SAdheer Chandravanshi case ISCSI_FLASHNODE_REDIRECT_IPADDR: 5601e9e2be3SAdheer Chandravanshi case ISCSI_FLASHNODE_MAX_SEGMENT_SIZE: 5611e9e2be3SAdheer Chandravanshi case ISCSI_FLASHNODE_LOCAL_PORT: 5621e9e2be3SAdheer Chandravanshi case ISCSI_FLASHNODE_IPV4_TOS: 5631e9e2be3SAdheer Chandravanshi case ISCSI_FLASHNODE_IPV6_TC: 5641e9e2be3SAdheer Chandravanshi case ISCSI_FLASHNODE_IPV6_FLOW_LABEL: 5651e9e2be3SAdheer Chandravanshi case ISCSI_FLASHNODE_NAME: 5661e9e2be3SAdheer Chandravanshi case ISCSI_FLASHNODE_TPGT: 5671e9e2be3SAdheer Chandravanshi case ISCSI_FLASHNODE_LINK_LOCAL_IPV6: 5681e9e2be3SAdheer Chandravanshi case ISCSI_FLASHNODE_DISCOVERY_PARENT_IDX: 5691e9e2be3SAdheer Chandravanshi case ISCSI_FLASHNODE_DISCOVERY_PARENT_TYPE: 5701e9e2be3SAdheer Chandravanshi case ISCSI_FLASHNODE_TCP_XMIT_WSF: 5711e9e2be3SAdheer Chandravanshi case ISCSI_FLASHNODE_TCP_RECV_WSF: 5721e9e2be3SAdheer Chandravanshi case ISCSI_FLASHNODE_CHAP_OUT_IDX: 5731e9e2be3SAdheer Chandravanshi case ISCSI_FLASHNODE_USERNAME: 5741e9e2be3SAdheer Chandravanshi case ISCSI_FLASHNODE_PASSWORD: 5751e9e2be3SAdheer Chandravanshi case ISCSI_FLASHNODE_STATSN: 5761e9e2be3SAdheer Chandravanshi case ISCSI_FLASHNODE_EXP_STATSN: 5771e9e2be3SAdheer Chandravanshi case ISCSI_FLASHNODE_IS_BOOT_TGT: 5781e9e2be3SAdheer Chandravanshi return S_IRUGO; 5791e9e2be3SAdheer Chandravanshi default: 5801e9e2be3SAdheer Chandravanshi return 0; 5811e9e2be3SAdheer Chandravanshi } 5823128c6c7SMike Christie } 5833128c6c7SMike Christie 5843128c6c7SMike Christie return 0; 5853128c6c7SMike Christie } 5863128c6c7SMike Christie 587ea507a25SAdheer Chandravanshi /** 588ea507a25SAdheer Chandravanshi * qla4xxx_create chap_list - Create CHAP list from FLASH 589ea507a25SAdheer Chandravanshi * @ha: pointer to adapter structure 590ea507a25SAdheer Chandravanshi * 591ea507a25SAdheer Chandravanshi * Read flash and make a list of CHAP entries, during login when a CHAP entry 592ea507a25SAdheer Chandravanshi * is received, it will be checked in this list. If entry exist then the CHAP 593ea507a25SAdheer Chandravanshi * entry index is set in the DDB. If CHAP entry does not exist in this list 594ea507a25SAdheer Chandravanshi * then a new entry is added in FLASH in CHAP table and the index obtained is 595ea507a25SAdheer Chandravanshi * used in the DDB. 596ea507a25SAdheer Chandravanshi **/ 597ea507a25SAdheer Chandravanshi static void qla4xxx_create_chap_list(struct scsi_qla_host *ha) 598ea507a25SAdheer Chandravanshi { 599ea507a25SAdheer Chandravanshi int rval = 0; 600ea507a25SAdheer Chandravanshi uint8_t *chap_flash_data = NULL; 601ea507a25SAdheer Chandravanshi uint32_t offset; 602ea507a25SAdheer Chandravanshi dma_addr_t chap_dma; 603ea507a25SAdheer Chandravanshi uint32_t chap_size = 0; 604ea507a25SAdheer Chandravanshi 605ea507a25SAdheer Chandravanshi if (is_qla40XX(ha)) 606ea507a25SAdheer Chandravanshi chap_size = MAX_CHAP_ENTRIES_40XX * 607ea507a25SAdheer Chandravanshi sizeof(struct ql4_chap_table); 608ea507a25SAdheer Chandravanshi else /* Single region contains CHAP info for both 609ea507a25SAdheer Chandravanshi * ports which is divided into half for each port. 610ea507a25SAdheer Chandravanshi */ 611ea507a25SAdheer Chandravanshi chap_size = ha->hw.flt_chap_size / 2; 612ea507a25SAdheer Chandravanshi 613ea507a25SAdheer Chandravanshi chap_flash_data = dma_alloc_coherent(&ha->pdev->dev, chap_size, 614ea507a25SAdheer Chandravanshi &chap_dma, GFP_KERNEL); 615ea507a25SAdheer Chandravanshi if (!chap_flash_data) { 616ea507a25SAdheer Chandravanshi ql4_printk(KERN_ERR, ha, "No memory for chap_flash_data\n"); 617ea507a25SAdheer Chandravanshi return; 618ea507a25SAdheer Chandravanshi } 619ea507a25SAdheer Chandravanshi 620ea507a25SAdheer Chandravanshi if (is_qla40XX(ha)) { 621ea507a25SAdheer Chandravanshi offset = FLASH_CHAP_OFFSET; 622ea507a25SAdheer Chandravanshi } else { 623ea507a25SAdheer Chandravanshi offset = FLASH_RAW_ACCESS_ADDR + (ha->hw.flt_region_chap << 2); 624ea507a25SAdheer Chandravanshi if (ha->port_num == 1) 625ea507a25SAdheer Chandravanshi offset += chap_size; 626ea507a25SAdheer Chandravanshi } 627ea507a25SAdheer Chandravanshi 628ea507a25SAdheer Chandravanshi rval = qla4xxx_get_flash(ha, chap_dma, offset, chap_size); 629ea507a25SAdheer Chandravanshi if (rval != QLA_SUCCESS) 630ea507a25SAdheer Chandravanshi goto exit_chap_list; 631ea507a25SAdheer Chandravanshi 632ea507a25SAdheer Chandravanshi if (ha->chap_list == NULL) 633ea507a25SAdheer Chandravanshi ha->chap_list = vmalloc(chap_size); 634ea507a25SAdheer Chandravanshi if (ha->chap_list == NULL) { 635ea507a25SAdheer Chandravanshi ql4_printk(KERN_ERR, ha, "No memory for ha->chap_list\n"); 636ea507a25SAdheer Chandravanshi goto exit_chap_list; 637ea507a25SAdheer Chandravanshi } 638ea507a25SAdheer Chandravanshi 639ea507a25SAdheer Chandravanshi memset(ha->chap_list, 0, chap_size); 640ea507a25SAdheer Chandravanshi memcpy(ha->chap_list, chap_flash_data, chap_size); 641ea507a25SAdheer Chandravanshi 642ea507a25SAdheer Chandravanshi exit_chap_list: 643ea507a25SAdheer Chandravanshi dma_free_coherent(&ha->pdev->dev, chap_size, chap_flash_data, chap_dma); 644ea507a25SAdheer Chandravanshi } 645ea507a25SAdheer Chandravanshi 64626ffd7b4SAdheer Chandravanshi static int qla4xxx_get_chap_by_index(struct scsi_qla_host *ha, 64726ffd7b4SAdheer Chandravanshi int16_t chap_index, 64826ffd7b4SAdheer Chandravanshi struct ql4_chap_table **chap_entry) 64926ffd7b4SAdheer Chandravanshi { 65026ffd7b4SAdheer Chandravanshi int rval = QLA_ERROR; 65126ffd7b4SAdheer Chandravanshi int max_chap_entries; 65226ffd7b4SAdheer Chandravanshi 65326ffd7b4SAdheer Chandravanshi if (!ha->chap_list) { 65426ffd7b4SAdheer Chandravanshi ql4_printk(KERN_ERR, ha, "CHAP table cache is empty!\n"); 65526ffd7b4SAdheer Chandravanshi rval = QLA_ERROR; 65626ffd7b4SAdheer Chandravanshi goto exit_get_chap; 65726ffd7b4SAdheer Chandravanshi } 65826ffd7b4SAdheer Chandravanshi 65926ffd7b4SAdheer Chandravanshi if (is_qla80XX(ha)) 66026ffd7b4SAdheer Chandravanshi max_chap_entries = (ha->hw.flt_chap_size / 2) / 66126ffd7b4SAdheer Chandravanshi sizeof(struct ql4_chap_table); 66226ffd7b4SAdheer Chandravanshi else 66326ffd7b4SAdheer Chandravanshi max_chap_entries = MAX_CHAP_ENTRIES_40XX; 66426ffd7b4SAdheer Chandravanshi 66526ffd7b4SAdheer Chandravanshi if (chap_index > max_chap_entries) { 66626ffd7b4SAdheer Chandravanshi ql4_printk(KERN_ERR, ha, "Invalid Chap index\n"); 66726ffd7b4SAdheer Chandravanshi rval = QLA_ERROR; 66826ffd7b4SAdheer Chandravanshi goto exit_get_chap; 66926ffd7b4SAdheer Chandravanshi } 67026ffd7b4SAdheer Chandravanshi 67126ffd7b4SAdheer Chandravanshi *chap_entry = (struct ql4_chap_table *)ha->chap_list + chap_index; 67226ffd7b4SAdheer Chandravanshi if ((*chap_entry)->cookie != 67326ffd7b4SAdheer Chandravanshi __constant_cpu_to_le16(CHAP_VALID_COOKIE)) { 67426ffd7b4SAdheer Chandravanshi rval = QLA_ERROR; 67526ffd7b4SAdheer Chandravanshi *chap_entry = NULL; 67626ffd7b4SAdheer Chandravanshi } else { 67726ffd7b4SAdheer Chandravanshi rval = QLA_SUCCESS; 67826ffd7b4SAdheer Chandravanshi } 67926ffd7b4SAdheer Chandravanshi 68026ffd7b4SAdheer Chandravanshi exit_get_chap: 68126ffd7b4SAdheer Chandravanshi return rval; 68226ffd7b4SAdheer Chandravanshi } 68326ffd7b4SAdheer Chandravanshi 68426ffd7b4SAdheer Chandravanshi /** 68526ffd7b4SAdheer Chandravanshi * qla4xxx_find_free_chap_index - Find the first free chap index 68626ffd7b4SAdheer Chandravanshi * @ha: pointer to adapter structure 68726ffd7b4SAdheer Chandravanshi * @chap_index: CHAP index to be returned 68826ffd7b4SAdheer Chandravanshi * 68926ffd7b4SAdheer Chandravanshi * Find the first free chap index available in the chap table 69026ffd7b4SAdheer Chandravanshi * 69126ffd7b4SAdheer Chandravanshi * Note: Caller should acquire the chap lock before getting here. 69226ffd7b4SAdheer Chandravanshi **/ 69326ffd7b4SAdheer Chandravanshi static int qla4xxx_find_free_chap_index(struct scsi_qla_host *ha, 69426ffd7b4SAdheer Chandravanshi uint16_t *chap_index) 69526ffd7b4SAdheer Chandravanshi { 69626ffd7b4SAdheer Chandravanshi int i, rval; 69726ffd7b4SAdheer Chandravanshi int free_index = -1; 69826ffd7b4SAdheer Chandravanshi int max_chap_entries = 0; 69926ffd7b4SAdheer Chandravanshi struct ql4_chap_table *chap_table; 70026ffd7b4SAdheer Chandravanshi 70126ffd7b4SAdheer Chandravanshi if (is_qla80XX(ha)) 70226ffd7b4SAdheer Chandravanshi max_chap_entries = (ha->hw.flt_chap_size / 2) / 70326ffd7b4SAdheer Chandravanshi sizeof(struct ql4_chap_table); 70426ffd7b4SAdheer Chandravanshi else 70526ffd7b4SAdheer Chandravanshi max_chap_entries = MAX_CHAP_ENTRIES_40XX; 70626ffd7b4SAdheer Chandravanshi 70726ffd7b4SAdheer Chandravanshi if (!ha->chap_list) { 70826ffd7b4SAdheer Chandravanshi ql4_printk(KERN_ERR, ha, "CHAP table cache is empty!\n"); 70926ffd7b4SAdheer Chandravanshi rval = QLA_ERROR; 71026ffd7b4SAdheer Chandravanshi goto exit_find_chap; 71126ffd7b4SAdheer Chandravanshi } 71226ffd7b4SAdheer Chandravanshi 71326ffd7b4SAdheer Chandravanshi for (i = 0; i < max_chap_entries; i++) { 71426ffd7b4SAdheer Chandravanshi chap_table = (struct ql4_chap_table *)ha->chap_list + i; 71526ffd7b4SAdheer Chandravanshi 71626ffd7b4SAdheer Chandravanshi if ((chap_table->cookie != 71726ffd7b4SAdheer Chandravanshi __constant_cpu_to_le16(CHAP_VALID_COOKIE)) && 71826ffd7b4SAdheer Chandravanshi (i > MAX_RESRV_CHAP_IDX)) { 71926ffd7b4SAdheer Chandravanshi free_index = i; 72026ffd7b4SAdheer Chandravanshi break; 72126ffd7b4SAdheer Chandravanshi } 72226ffd7b4SAdheer Chandravanshi } 72326ffd7b4SAdheer Chandravanshi 72426ffd7b4SAdheer Chandravanshi if (free_index != -1) { 72526ffd7b4SAdheer Chandravanshi *chap_index = free_index; 72626ffd7b4SAdheer Chandravanshi rval = QLA_SUCCESS; 72726ffd7b4SAdheer Chandravanshi } else { 72826ffd7b4SAdheer Chandravanshi rval = QLA_ERROR; 72926ffd7b4SAdheer Chandravanshi } 73026ffd7b4SAdheer Chandravanshi 73126ffd7b4SAdheer Chandravanshi exit_find_chap: 73226ffd7b4SAdheer Chandravanshi return rval; 73326ffd7b4SAdheer Chandravanshi } 73426ffd7b4SAdheer Chandravanshi 735376738afSNilesh Javali static int qla4xxx_get_chap_list(struct Scsi_Host *shost, uint16_t chap_tbl_idx, 736376738afSNilesh Javali uint32_t *num_entries, char *buf) 737376738afSNilesh Javali { 738376738afSNilesh Javali struct scsi_qla_host *ha = to_qla_host(shost); 739376738afSNilesh Javali struct ql4_chap_table *chap_table; 740376738afSNilesh Javali struct iscsi_chap_rec *chap_rec; 741376738afSNilesh Javali int max_chap_entries = 0; 742376738afSNilesh Javali int valid_chap_entries = 0; 743376738afSNilesh Javali int ret = 0, i; 744376738afSNilesh Javali 745d11b0ca3SVikas Chaudhary if (is_qla80XX(ha)) 746376738afSNilesh Javali max_chap_entries = (ha->hw.flt_chap_size / 2) / 747376738afSNilesh Javali sizeof(struct ql4_chap_table); 748376738afSNilesh Javali else 749376738afSNilesh Javali max_chap_entries = MAX_CHAP_ENTRIES_40XX; 750376738afSNilesh Javali 751376738afSNilesh Javali ql4_printk(KERN_INFO, ha, "%s: num_entries = %d, CHAP idx = %d\n", 752376738afSNilesh Javali __func__, *num_entries, chap_tbl_idx); 753376738afSNilesh Javali 754376738afSNilesh Javali if (!buf) { 755376738afSNilesh Javali ret = -ENOMEM; 756376738afSNilesh Javali goto exit_get_chap_list; 757376738afSNilesh Javali } 758376738afSNilesh Javali 759ea507a25SAdheer Chandravanshi qla4xxx_create_chap_list(ha); 760ea507a25SAdheer Chandravanshi 761376738afSNilesh Javali chap_rec = (struct iscsi_chap_rec *) buf; 762376738afSNilesh Javali mutex_lock(&ha->chap_sem); 763376738afSNilesh Javali for (i = chap_tbl_idx; i < max_chap_entries; i++) { 764376738afSNilesh Javali chap_table = (struct ql4_chap_table *)ha->chap_list + i; 765376738afSNilesh Javali if (chap_table->cookie != 766376738afSNilesh Javali __constant_cpu_to_le16(CHAP_VALID_COOKIE)) 767376738afSNilesh Javali continue; 768376738afSNilesh Javali 769376738afSNilesh Javali chap_rec->chap_tbl_idx = i; 770bdbb9662SRickard Strandqvist strlcpy(chap_rec->username, chap_table->name, 771376738afSNilesh Javali ISCSI_CHAP_AUTH_NAME_MAX_LEN); 772bdbb9662SRickard Strandqvist strlcpy(chap_rec->password, chap_table->secret, 773376738afSNilesh Javali QL4_CHAP_MAX_SECRET_LEN); 774376738afSNilesh Javali chap_rec->password_length = chap_table->secret_len; 775376738afSNilesh Javali 776376738afSNilesh Javali if (chap_table->flags & BIT_7) /* local */ 777376738afSNilesh Javali chap_rec->chap_type = CHAP_TYPE_OUT; 778376738afSNilesh Javali 779376738afSNilesh Javali if (chap_table->flags & BIT_6) /* peer */ 780376738afSNilesh Javali chap_rec->chap_type = CHAP_TYPE_IN; 781376738afSNilesh Javali 782376738afSNilesh Javali chap_rec++; 783376738afSNilesh Javali 784376738afSNilesh Javali valid_chap_entries++; 785376738afSNilesh Javali if (valid_chap_entries == *num_entries) 786376738afSNilesh Javali break; 787376738afSNilesh Javali else 788376738afSNilesh Javali continue; 789376738afSNilesh Javali } 790376738afSNilesh Javali mutex_unlock(&ha->chap_sem); 791376738afSNilesh Javali 792376738afSNilesh Javali exit_get_chap_list: 793376738afSNilesh Javali ql4_printk(KERN_INFO, ha, "%s: Valid CHAP Entries = %d\n", 794376738afSNilesh Javali __func__, valid_chap_entries); 795376738afSNilesh Javali *num_entries = valid_chap_entries; 796376738afSNilesh Javali return ret; 797376738afSNilesh Javali } 798376738afSNilesh Javali 799376738afSNilesh Javali static int __qla4xxx_is_chap_active(struct device *dev, void *data) 800376738afSNilesh Javali { 801376738afSNilesh Javali int ret = 0; 802376738afSNilesh Javali uint16_t *chap_tbl_idx = (uint16_t *) data; 803376738afSNilesh Javali struct iscsi_cls_session *cls_session; 804376738afSNilesh Javali struct iscsi_session *sess; 805376738afSNilesh Javali struct ddb_entry *ddb_entry; 806376738afSNilesh Javali 807376738afSNilesh Javali if (!iscsi_is_session_dev(dev)) 808376738afSNilesh Javali goto exit_is_chap_active; 809376738afSNilesh Javali 810376738afSNilesh Javali cls_session = iscsi_dev_to_session(dev); 811376738afSNilesh Javali sess = cls_session->dd_data; 812376738afSNilesh Javali ddb_entry = sess->dd_data; 813376738afSNilesh Javali 814376738afSNilesh Javali if (iscsi_session_chkready(cls_session)) 815376738afSNilesh Javali goto exit_is_chap_active; 816376738afSNilesh Javali 817376738afSNilesh Javali if (ddb_entry->chap_tbl_idx == *chap_tbl_idx) 818376738afSNilesh Javali ret = 1; 819376738afSNilesh Javali 820376738afSNilesh Javali exit_is_chap_active: 821376738afSNilesh Javali return ret; 822376738afSNilesh Javali } 823376738afSNilesh Javali 824376738afSNilesh Javali static int qla4xxx_is_chap_active(struct Scsi_Host *shost, 825376738afSNilesh Javali uint16_t chap_tbl_idx) 826376738afSNilesh Javali { 827376738afSNilesh Javali int ret = 0; 828376738afSNilesh Javali 829376738afSNilesh Javali ret = device_for_each_child(&shost->shost_gendev, &chap_tbl_idx, 830376738afSNilesh Javali __qla4xxx_is_chap_active); 831376738afSNilesh Javali 832376738afSNilesh Javali return ret; 833376738afSNilesh Javali } 834376738afSNilesh Javali 835376738afSNilesh Javali static int qla4xxx_delete_chap(struct Scsi_Host *shost, uint16_t chap_tbl_idx) 836376738afSNilesh Javali { 837376738afSNilesh Javali struct scsi_qla_host *ha = to_qla_host(shost); 838376738afSNilesh Javali struct ql4_chap_table *chap_table; 839376738afSNilesh Javali dma_addr_t chap_dma; 840376738afSNilesh Javali int max_chap_entries = 0; 841376738afSNilesh Javali uint32_t offset = 0; 842376738afSNilesh Javali uint32_t chap_size; 843376738afSNilesh Javali int ret = 0; 844376738afSNilesh Javali 8458d35a9dcSSouptick Joarder chap_table = dma_pool_zalloc(ha->chap_dma_pool, GFP_KERNEL, &chap_dma); 846376738afSNilesh Javali if (chap_table == NULL) 847376738afSNilesh Javali return -ENOMEM; 848376738afSNilesh Javali 849d11b0ca3SVikas Chaudhary if (is_qla80XX(ha)) 850376738afSNilesh Javali max_chap_entries = (ha->hw.flt_chap_size / 2) / 851376738afSNilesh Javali sizeof(struct ql4_chap_table); 852376738afSNilesh Javali else 853376738afSNilesh Javali max_chap_entries = MAX_CHAP_ENTRIES_40XX; 854376738afSNilesh Javali 855376738afSNilesh Javali if (chap_tbl_idx > max_chap_entries) { 856376738afSNilesh Javali ret = -EINVAL; 857376738afSNilesh Javali goto exit_delete_chap; 858376738afSNilesh Javali } 859376738afSNilesh Javali 860376738afSNilesh Javali /* Check if chap index is in use. 861376738afSNilesh Javali * If chap is in use don't delet chap entry */ 862376738afSNilesh Javali ret = qla4xxx_is_chap_active(shost, chap_tbl_idx); 863376738afSNilesh Javali if (ret) { 864376738afSNilesh Javali ql4_printk(KERN_INFO, ha, "CHAP entry %d is in use, cannot " 865376738afSNilesh Javali "delete from flash\n", chap_tbl_idx); 866376738afSNilesh Javali ret = -EBUSY; 867376738afSNilesh Javali goto exit_delete_chap; 868376738afSNilesh Javali } 869376738afSNilesh Javali 870376738afSNilesh Javali chap_size = sizeof(struct ql4_chap_table); 871376738afSNilesh Javali if (is_qla40XX(ha)) 872376738afSNilesh Javali offset = FLASH_CHAP_OFFSET | (chap_tbl_idx * chap_size); 873376738afSNilesh Javali else { 874376738afSNilesh Javali offset = FLASH_RAW_ACCESS_ADDR + (ha->hw.flt_region_chap << 2); 875376738afSNilesh Javali /* flt_chap_size is CHAP table size for both ports 876376738afSNilesh Javali * so divide it by 2 to calculate the offset for second port 877376738afSNilesh Javali */ 878376738afSNilesh Javali if (ha->port_num == 1) 879376738afSNilesh Javali offset += (ha->hw.flt_chap_size / 2); 880376738afSNilesh Javali offset += (chap_tbl_idx * chap_size); 881376738afSNilesh Javali } 882376738afSNilesh Javali 883376738afSNilesh Javali ret = qla4xxx_get_flash(ha, chap_dma, offset, chap_size); 884376738afSNilesh Javali if (ret != QLA_SUCCESS) { 885376738afSNilesh Javali ret = -EINVAL; 886376738afSNilesh Javali goto exit_delete_chap; 887376738afSNilesh Javali } 888376738afSNilesh Javali 889376738afSNilesh Javali DEBUG2(ql4_printk(KERN_INFO, ha, "Chap Cookie: x%x\n", 890376738afSNilesh Javali __le16_to_cpu(chap_table->cookie))); 891376738afSNilesh Javali 892376738afSNilesh Javali if (__le16_to_cpu(chap_table->cookie) != CHAP_VALID_COOKIE) { 893376738afSNilesh Javali ql4_printk(KERN_ERR, ha, "No valid chap entry found\n"); 894376738afSNilesh Javali goto exit_delete_chap; 895376738afSNilesh Javali } 896376738afSNilesh Javali 897376738afSNilesh Javali chap_table->cookie = __constant_cpu_to_le16(0xFFFF); 898376738afSNilesh Javali 899376738afSNilesh Javali offset = FLASH_CHAP_OFFSET | 900376738afSNilesh Javali (chap_tbl_idx * sizeof(struct ql4_chap_table)); 901376738afSNilesh Javali ret = qla4xxx_set_flash(ha, chap_dma, offset, chap_size, 902376738afSNilesh Javali FLASH_OPT_RMW_COMMIT); 903376738afSNilesh Javali if (ret == QLA_SUCCESS && ha->chap_list) { 904376738afSNilesh Javali mutex_lock(&ha->chap_sem); 905376738afSNilesh Javali /* Update ha chap_list cache */ 906376738afSNilesh Javali memcpy((struct ql4_chap_table *)ha->chap_list + chap_tbl_idx, 907376738afSNilesh Javali chap_table, sizeof(struct ql4_chap_table)); 908376738afSNilesh Javali mutex_unlock(&ha->chap_sem); 909376738afSNilesh Javali } 910376738afSNilesh Javali if (ret != QLA_SUCCESS) 911376738afSNilesh Javali ret = -EINVAL; 912376738afSNilesh Javali 913376738afSNilesh Javali exit_delete_chap: 914376738afSNilesh Javali dma_pool_free(ha->chap_dma_pool, chap_table, chap_dma); 915376738afSNilesh Javali return ret; 916376738afSNilesh Javali } 917376738afSNilesh Javali 91826ffd7b4SAdheer Chandravanshi /** 91926ffd7b4SAdheer Chandravanshi * qla4xxx_set_chap_entry - Make chap entry with given information 92026ffd7b4SAdheer Chandravanshi * @shost: pointer to host 92126ffd7b4SAdheer Chandravanshi * @data: chap info - credentials, index and type to make chap entry 92226ffd7b4SAdheer Chandravanshi * @len: length of data 92326ffd7b4SAdheer Chandravanshi * 92426ffd7b4SAdheer Chandravanshi * Add or update chap entry with the given information 92526ffd7b4SAdheer Chandravanshi **/ 92626ffd7b4SAdheer Chandravanshi static int qla4xxx_set_chap_entry(struct Scsi_Host *shost, void *data, int len) 92726ffd7b4SAdheer Chandravanshi { 92826ffd7b4SAdheer Chandravanshi struct scsi_qla_host *ha = to_qla_host(shost); 92926ffd7b4SAdheer Chandravanshi struct iscsi_chap_rec chap_rec; 93026ffd7b4SAdheer Chandravanshi struct ql4_chap_table *chap_entry = NULL; 93126ffd7b4SAdheer Chandravanshi struct iscsi_param_info *param_info; 93226ffd7b4SAdheer Chandravanshi struct nlattr *attr; 93326ffd7b4SAdheer Chandravanshi int max_chap_entries = 0; 93426ffd7b4SAdheer Chandravanshi int type; 93526ffd7b4SAdheer Chandravanshi int rem = len; 93626ffd7b4SAdheer Chandravanshi int rc = 0; 9373c60cfd7SDan Carpenter int size; 93826ffd7b4SAdheer Chandravanshi 93926ffd7b4SAdheer Chandravanshi memset(&chap_rec, 0, sizeof(chap_rec)); 94026ffd7b4SAdheer Chandravanshi 94126ffd7b4SAdheer Chandravanshi nla_for_each_attr(attr, data, len, rem) { 94226ffd7b4SAdheer Chandravanshi param_info = nla_data(attr); 94326ffd7b4SAdheer Chandravanshi 94426ffd7b4SAdheer Chandravanshi switch (param_info->param) { 94526ffd7b4SAdheer Chandravanshi case ISCSI_CHAP_PARAM_INDEX: 94626ffd7b4SAdheer Chandravanshi chap_rec.chap_tbl_idx = *(uint16_t *)param_info->value; 94726ffd7b4SAdheer Chandravanshi break; 94826ffd7b4SAdheer Chandravanshi case ISCSI_CHAP_PARAM_CHAP_TYPE: 94926ffd7b4SAdheer Chandravanshi chap_rec.chap_type = param_info->value[0]; 95026ffd7b4SAdheer Chandravanshi break; 95126ffd7b4SAdheer Chandravanshi case ISCSI_CHAP_PARAM_USERNAME: 9523c60cfd7SDan Carpenter size = min_t(size_t, sizeof(chap_rec.username), 95326ffd7b4SAdheer Chandravanshi param_info->len); 9543c60cfd7SDan Carpenter memcpy(chap_rec.username, param_info->value, size); 95526ffd7b4SAdheer Chandravanshi break; 95626ffd7b4SAdheer Chandravanshi case ISCSI_CHAP_PARAM_PASSWORD: 9573c60cfd7SDan Carpenter size = min_t(size_t, sizeof(chap_rec.password), 95826ffd7b4SAdheer Chandravanshi param_info->len); 9593c60cfd7SDan Carpenter memcpy(chap_rec.password, param_info->value, size); 96026ffd7b4SAdheer Chandravanshi break; 96126ffd7b4SAdheer Chandravanshi case ISCSI_CHAP_PARAM_PASSWORD_LEN: 96226ffd7b4SAdheer Chandravanshi chap_rec.password_length = param_info->value[0]; 96326ffd7b4SAdheer Chandravanshi break; 96426ffd7b4SAdheer Chandravanshi default: 96526ffd7b4SAdheer Chandravanshi ql4_printk(KERN_ERR, ha, 96626ffd7b4SAdheer Chandravanshi "%s: No such sysfs attribute\n", __func__); 96726ffd7b4SAdheer Chandravanshi rc = -ENOSYS; 96826ffd7b4SAdheer Chandravanshi goto exit_set_chap; 96926ffd7b4SAdheer Chandravanshi }; 97026ffd7b4SAdheer Chandravanshi } 97126ffd7b4SAdheer Chandravanshi 97226ffd7b4SAdheer Chandravanshi if (chap_rec.chap_type == CHAP_TYPE_IN) 97326ffd7b4SAdheer Chandravanshi type = BIDI_CHAP; 97426ffd7b4SAdheer Chandravanshi else 97526ffd7b4SAdheer Chandravanshi type = LOCAL_CHAP; 97626ffd7b4SAdheer Chandravanshi 97726ffd7b4SAdheer Chandravanshi if (is_qla80XX(ha)) 97826ffd7b4SAdheer Chandravanshi max_chap_entries = (ha->hw.flt_chap_size / 2) / 97926ffd7b4SAdheer Chandravanshi sizeof(struct ql4_chap_table); 98026ffd7b4SAdheer Chandravanshi else 98126ffd7b4SAdheer Chandravanshi max_chap_entries = MAX_CHAP_ENTRIES_40XX; 98226ffd7b4SAdheer Chandravanshi 98326ffd7b4SAdheer Chandravanshi mutex_lock(&ha->chap_sem); 98426ffd7b4SAdheer Chandravanshi if (chap_rec.chap_tbl_idx < max_chap_entries) { 98526ffd7b4SAdheer Chandravanshi rc = qla4xxx_get_chap_by_index(ha, chap_rec.chap_tbl_idx, 98626ffd7b4SAdheer Chandravanshi &chap_entry); 98726ffd7b4SAdheer Chandravanshi if (!rc) { 98826ffd7b4SAdheer Chandravanshi if (!(type == qla4xxx_get_chap_type(chap_entry))) { 98926ffd7b4SAdheer Chandravanshi ql4_printk(KERN_INFO, ha, 99026ffd7b4SAdheer Chandravanshi "Type mismatch for CHAP entry %d\n", 99126ffd7b4SAdheer Chandravanshi chap_rec.chap_tbl_idx); 99226ffd7b4SAdheer Chandravanshi rc = -EINVAL; 99326ffd7b4SAdheer Chandravanshi goto exit_unlock_chap; 99426ffd7b4SAdheer Chandravanshi } 99526ffd7b4SAdheer Chandravanshi 99626ffd7b4SAdheer Chandravanshi /* If chap index is in use then don't modify it */ 99726ffd7b4SAdheer Chandravanshi rc = qla4xxx_is_chap_active(shost, 99826ffd7b4SAdheer Chandravanshi chap_rec.chap_tbl_idx); 99926ffd7b4SAdheer Chandravanshi if (rc) { 100026ffd7b4SAdheer Chandravanshi ql4_printk(KERN_INFO, ha, 100126ffd7b4SAdheer Chandravanshi "CHAP entry %d is in use\n", 100226ffd7b4SAdheer Chandravanshi chap_rec.chap_tbl_idx); 100326ffd7b4SAdheer Chandravanshi rc = -EBUSY; 100426ffd7b4SAdheer Chandravanshi goto exit_unlock_chap; 100526ffd7b4SAdheer Chandravanshi } 100626ffd7b4SAdheer Chandravanshi } 100726ffd7b4SAdheer Chandravanshi } else { 100826ffd7b4SAdheer Chandravanshi rc = qla4xxx_find_free_chap_index(ha, &chap_rec.chap_tbl_idx); 100926ffd7b4SAdheer Chandravanshi if (rc) { 101026ffd7b4SAdheer Chandravanshi ql4_printk(KERN_INFO, ha, "CHAP entry not available\n"); 101126ffd7b4SAdheer Chandravanshi rc = -EBUSY; 101226ffd7b4SAdheer Chandravanshi goto exit_unlock_chap; 101326ffd7b4SAdheer Chandravanshi } 101426ffd7b4SAdheer Chandravanshi } 101526ffd7b4SAdheer Chandravanshi 101626ffd7b4SAdheer Chandravanshi rc = qla4xxx_set_chap(ha, chap_rec.username, chap_rec.password, 101726ffd7b4SAdheer Chandravanshi chap_rec.chap_tbl_idx, type); 101826ffd7b4SAdheer Chandravanshi 101926ffd7b4SAdheer Chandravanshi exit_unlock_chap: 102026ffd7b4SAdheer Chandravanshi mutex_unlock(&ha->chap_sem); 102126ffd7b4SAdheer Chandravanshi 102226ffd7b4SAdheer Chandravanshi exit_set_chap: 102326ffd7b4SAdheer Chandravanshi return rc; 102426ffd7b4SAdheer Chandravanshi } 102526ffd7b4SAdheer Chandravanshi 10264161cee5SLalit Chandivade 10274161cee5SLalit Chandivade static int qla4xxx_get_host_stats(struct Scsi_Host *shost, char *buf, int len) 10284161cee5SLalit Chandivade { 10294161cee5SLalit Chandivade struct scsi_qla_host *ha = to_qla_host(shost); 10304161cee5SLalit Chandivade struct iscsi_offload_host_stats *host_stats = NULL; 10314161cee5SLalit Chandivade int host_stats_size; 10324161cee5SLalit Chandivade int ret = 0; 10334161cee5SLalit Chandivade int ddb_idx = 0; 10344161cee5SLalit Chandivade struct ql_iscsi_stats *ql_iscsi_stats = NULL; 10354161cee5SLalit Chandivade int stats_size; 10364161cee5SLalit Chandivade dma_addr_t iscsi_stats_dma; 10374161cee5SLalit Chandivade 10384161cee5SLalit Chandivade DEBUG2(ql4_printk(KERN_INFO, ha, "Func: %s\n", __func__)); 10394161cee5SLalit Chandivade 10404161cee5SLalit Chandivade host_stats_size = sizeof(struct iscsi_offload_host_stats); 10414161cee5SLalit Chandivade 10424161cee5SLalit Chandivade if (host_stats_size != len) { 10434161cee5SLalit Chandivade ql4_printk(KERN_INFO, ha, "%s: host_stats size mismatch expected = %d, is = %d\n", 10444161cee5SLalit Chandivade __func__, len, host_stats_size); 10454161cee5SLalit Chandivade ret = -EINVAL; 10464161cee5SLalit Chandivade goto exit_host_stats; 10474161cee5SLalit Chandivade } 10484161cee5SLalit Chandivade host_stats = (struct iscsi_offload_host_stats *)buf; 10494161cee5SLalit Chandivade 10504161cee5SLalit Chandivade if (!buf) { 10514161cee5SLalit Chandivade ret = -ENOMEM; 10524161cee5SLalit Chandivade goto exit_host_stats; 10534161cee5SLalit Chandivade } 10544161cee5SLalit Chandivade 10554161cee5SLalit Chandivade stats_size = PAGE_ALIGN(sizeof(struct ql_iscsi_stats)); 10564161cee5SLalit Chandivade 10574161cee5SLalit Chandivade ql_iscsi_stats = dma_alloc_coherent(&ha->pdev->dev, stats_size, 10584161cee5SLalit Chandivade &iscsi_stats_dma, GFP_KERNEL); 10594161cee5SLalit Chandivade if (!ql_iscsi_stats) { 10604161cee5SLalit Chandivade ql4_printk(KERN_ERR, ha, 10614161cee5SLalit Chandivade "Unable to allocate memory for iscsi stats\n"); 10627f3976f0SMike Christie ret = -ENOMEM; 10634161cee5SLalit Chandivade goto exit_host_stats; 10644161cee5SLalit Chandivade } 10654161cee5SLalit Chandivade 10664161cee5SLalit Chandivade ret = qla4xxx_get_mgmt_data(ha, ddb_idx, stats_size, 10674161cee5SLalit Chandivade iscsi_stats_dma); 10684161cee5SLalit Chandivade if (ret != QLA_SUCCESS) { 10694161cee5SLalit Chandivade ql4_printk(KERN_ERR, ha, 10704161cee5SLalit Chandivade "Unable to retrieve iscsi stats\n"); 10717f3976f0SMike Christie ret = -EIO; 10724161cee5SLalit Chandivade goto exit_host_stats; 10734161cee5SLalit Chandivade } 10744161cee5SLalit Chandivade host_stats->mactx_frames = le64_to_cpu(ql_iscsi_stats->mac_tx_frames); 10754161cee5SLalit Chandivade host_stats->mactx_bytes = le64_to_cpu(ql_iscsi_stats->mac_tx_bytes); 10764161cee5SLalit Chandivade host_stats->mactx_multicast_frames = 10774161cee5SLalit Chandivade le64_to_cpu(ql_iscsi_stats->mac_tx_multicast_frames); 10784161cee5SLalit Chandivade host_stats->mactx_broadcast_frames = 10794161cee5SLalit Chandivade le64_to_cpu(ql_iscsi_stats->mac_tx_broadcast_frames); 10804161cee5SLalit Chandivade host_stats->mactx_pause_frames = 10814161cee5SLalit Chandivade le64_to_cpu(ql_iscsi_stats->mac_tx_pause_frames); 10824161cee5SLalit Chandivade host_stats->mactx_control_frames = 10834161cee5SLalit Chandivade le64_to_cpu(ql_iscsi_stats->mac_tx_control_frames); 10844161cee5SLalit Chandivade host_stats->mactx_deferral = 10854161cee5SLalit Chandivade le64_to_cpu(ql_iscsi_stats->mac_tx_deferral); 10864161cee5SLalit Chandivade host_stats->mactx_excess_deferral = 10874161cee5SLalit Chandivade le64_to_cpu(ql_iscsi_stats->mac_tx_excess_deferral); 10884161cee5SLalit Chandivade host_stats->mactx_late_collision = 10894161cee5SLalit Chandivade le64_to_cpu(ql_iscsi_stats->mac_tx_late_collision); 10904161cee5SLalit Chandivade host_stats->mactx_abort = le64_to_cpu(ql_iscsi_stats->mac_tx_abort); 10914161cee5SLalit Chandivade host_stats->mactx_single_collision = 10924161cee5SLalit Chandivade le64_to_cpu(ql_iscsi_stats->mac_tx_single_collision); 10934161cee5SLalit Chandivade host_stats->mactx_multiple_collision = 10944161cee5SLalit Chandivade le64_to_cpu(ql_iscsi_stats->mac_tx_multiple_collision); 10954161cee5SLalit Chandivade host_stats->mactx_collision = 10964161cee5SLalit Chandivade le64_to_cpu(ql_iscsi_stats->mac_tx_collision); 10974161cee5SLalit Chandivade host_stats->mactx_frames_dropped = 10984161cee5SLalit Chandivade le64_to_cpu(ql_iscsi_stats->mac_tx_frames_dropped); 10994161cee5SLalit Chandivade host_stats->mactx_jumbo_frames = 11004161cee5SLalit Chandivade le64_to_cpu(ql_iscsi_stats->mac_tx_jumbo_frames); 11014161cee5SLalit Chandivade host_stats->macrx_frames = le64_to_cpu(ql_iscsi_stats->mac_rx_frames); 11024161cee5SLalit Chandivade host_stats->macrx_bytes = le64_to_cpu(ql_iscsi_stats->mac_rx_bytes); 11034161cee5SLalit Chandivade host_stats->macrx_unknown_control_frames = 11044161cee5SLalit Chandivade le64_to_cpu(ql_iscsi_stats->mac_rx_unknown_control_frames); 11054161cee5SLalit Chandivade host_stats->macrx_pause_frames = 11064161cee5SLalit Chandivade le64_to_cpu(ql_iscsi_stats->mac_rx_pause_frames); 11074161cee5SLalit Chandivade host_stats->macrx_control_frames = 11084161cee5SLalit Chandivade le64_to_cpu(ql_iscsi_stats->mac_rx_control_frames); 11094161cee5SLalit Chandivade host_stats->macrx_dribble = 11104161cee5SLalit Chandivade le64_to_cpu(ql_iscsi_stats->mac_rx_dribble); 11114161cee5SLalit Chandivade host_stats->macrx_frame_length_error = 11124161cee5SLalit Chandivade le64_to_cpu(ql_iscsi_stats->mac_rx_frame_length_error); 11134161cee5SLalit Chandivade host_stats->macrx_jabber = le64_to_cpu(ql_iscsi_stats->mac_rx_jabber); 11144161cee5SLalit Chandivade host_stats->macrx_carrier_sense_error = 11154161cee5SLalit Chandivade le64_to_cpu(ql_iscsi_stats->mac_rx_carrier_sense_error); 11164161cee5SLalit Chandivade host_stats->macrx_frame_discarded = 11174161cee5SLalit Chandivade le64_to_cpu(ql_iscsi_stats->mac_rx_frame_discarded); 11184161cee5SLalit Chandivade host_stats->macrx_frames_dropped = 11194161cee5SLalit Chandivade le64_to_cpu(ql_iscsi_stats->mac_rx_frames_dropped); 11204161cee5SLalit Chandivade host_stats->mac_crc_error = le64_to_cpu(ql_iscsi_stats->mac_crc_error); 11214161cee5SLalit Chandivade host_stats->mac_encoding_error = 11224161cee5SLalit Chandivade le64_to_cpu(ql_iscsi_stats->mac_encoding_error); 11234161cee5SLalit Chandivade host_stats->macrx_length_error_large = 11244161cee5SLalit Chandivade le64_to_cpu(ql_iscsi_stats->mac_rx_length_error_large); 11254161cee5SLalit Chandivade host_stats->macrx_length_error_small = 11264161cee5SLalit Chandivade le64_to_cpu(ql_iscsi_stats->mac_rx_length_error_small); 11274161cee5SLalit Chandivade host_stats->macrx_multicast_frames = 11284161cee5SLalit Chandivade le64_to_cpu(ql_iscsi_stats->mac_rx_multicast_frames); 11294161cee5SLalit Chandivade host_stats->macrx_broadcast_frames = 11304161cee5SLalit Chandivade le64_to_cpu(ql_iscsi_stats->mac_rx_broadcast_frames); 11314161cee5SLalit Chandivade host_stats->iptx_packets = le64_to_cpu(ql_iscsi_stats->ip_tx_packets); 11324161cee5SLalit Chandivade host_stats->iptx_bytes = le64_to_cpu(ql_iscsi_stats->ip_tx_bytes); 11334161cee5SLalit Chandivade host_stats->iptx_fragments = 11344161cee5SLalit Chandivade le64_to_cpu(ql_iscsi_stats->ip_tx_fragments); 11354161cee5SLalit Chandivade host_stats->iprx_packets = le64_to_cpu(ql_iscsi_stats->ip_rx_packets); 11364161cee5SLalit Chandivade host_stats->iprx_bytes = le64_to_cpu(ql_iscsi_stats->ip_rx_bytes); 11374161cee5SLalit Chandivade host_stats->iprx_fragments = 11384161cee5SLalit Chandivade le64_to_cpu(ql_iscsi_stats->ip_rx_fragments); 11394161cee5SLalit Chandivade host_stats->ip_datagram_reassembly = 11404161cee5SLalit Chandivade le64_to_cpu(ql_iscsi_stats->ip_datagram_reassembly); 11414161cee5SLalit Chandivade host_stats->ip_invalid_address_error = 11424161cee5SLalit Chandivade le64_to_cpu(ql_iscsi_stats->ip_invalid_address_error); 11434161cee5SLalit Chandivade host_stats->ip_error_packets = 11444161cee5SLalit Chandivade le64_to_cpu(ql_iscsi_stats->ip_error_packets); 11454161cee5SLalit Chandivade host_stats->ip_fragrx_overlap = 11464161cee5SLalit Chandivade le64_to_cpu(ql_iscsi_stats->ip_fragrx_overlap); 11474161cee5SLalit Chandivade host_stats->ip_fragrx_outoforder = 11484161cee5SLalit Chandivade le64_to_cpu(ql_iscsi_stats->ip_fragrx_outoforder); 11494161cee5SLalit Chandivade host_stats->ip_datagram_reassembly_timeout = 11504161cee5SLalit Chandivade le64_to_cpu(ql_iscsi_stats->ip_datagram_reassembly_timeout); 11514161cee5SLalit Chandivade host_stats->ipv6tx_packets = 11524161cee5SLalit Chandivade le64_to_cpu(ql_iscsi_stats->ipv6_tx_packets); 11534161cee5SLalit Chandivade host_stats->ipv6tx_bytes = le64_to_cpu(ql_iscsi_stats->ipv6_tx_bytes); 11544161cee5SLalit Chandivade host_stats->ipv6tx_fragments = 11554161cee5SLalit Chandivade le64_to_cpu(ql_iscsi_stats->ipv6_tx_fragments); 11564161cee5SLalit Chandivade host_stats->ipv6rx_packets = 11574161cee5SLalit Chandivade le64_to_cpu(ql_iscsi_stats->ipv6_rx_packets); 11584161cee5SLalit Chandivade host_stats->ipv6rx_bytes = le64_to_cpu(ql_iscsi_stats->ipv6_rx_bytes); 11594161cee5SLalit Chandivade host_stats->ipv6rx_fragments = 11604161cee5SLalit Chandivade le64_to_cpu(ql_iscsi_stats->ipv6_rx_fragments); 11614161cee5SLalit Chandivade host_stats->ipv6_datagram_reassembly = 11624161cee5SLalit Chandivade le64_to_cpu(ql_iscsi_stats->ipv6_datagram_reassembly); 11634161cee5SLalit Chandivade host_stats->ipv6_invalid_address_error = 11644161cee5SLalit Chandivade le64_to_cpu(ql_iscsi_stats->ipv6_invalid_address_error); 11654161cee5SLalit Chandivade host_stats->ipv6_error_packets = 11664161cee5SLalit Chandivade le64_to_cpu(ql_iscsi_stats->ipv6_error_packets); 11674161cee5SLalit Chandivade host_stats->ipv6_fragrx_overlap = 11684161cee5SLalit Chandivade le64_to_cpu(ql_iscsi_stats->ipv6_fragrx_overlap); 11694161cee5SLalit Chandivade host_stats->ipv6_fragrx_outoforder = 11704161cee5SLalit Chandivade le64_to_cpu(ql_iscsi_stats->ipv6_fragrx_outoforder); 11714161cee5SLalit Chandivade host_stats->ipv6_datagram_reassembly_timeout = 11724161cee5SLalit Chandivade le64_to_cpu(ql_iscsi_stats->ipv6_datagram_reassembly_timeout); 11734161cee5SLalit Chandivade host_stats->tcptx_segments = 11744161cee5SLalit Chandivade le64_to_cpu(ql_iscsi_stats->tcp_tx_segments); 11754161cee5SLalit Chandivade host_stats->tcptx_bytes = le64_to_cpu(ql_iscsi_stats->tcp_tx_bytes); 11764161cee5SLalit Chandivade host_stats->tcprx_segments = 11774161cee5SLalit Chandivade le64_to_cpu(ql_iscsi_stats->tcp_rx_segments); 11784161cee5SLalit Chandivade host_stats->tcprx_byte = le64_to_cpu(ql_iscsi_stats->tcp_rx_byte); 11794161cee5SLalit Chandivade host_stats->tcp_duplicate_ack_retx = 11804161cee5SLalit Chandivade le64_to_cpu(ql_iscsi_stats->tcp_duplicate_ack_retx); 11814161cee5SLalit Chandivade host_stats->tcp_retx_timer_expired = 11824161cee5SLalit Chandivade le64_to_cpu(ql_iscsi_stats->tcp_retx_timer_expired); 11834161cee5SLalit Chandivade host_stats->tcprx_duplicate_ack = 11844161cee5SLalit Chandivade le64_to_cpu(ql_iscsi_stats->tcp_rx_duplicate_ack); 11854161cee5SLalit Chandivade host_stats->tcprx_pure_ackr = 11864161cee5SLalit Chandivade le64_to_cpu(ql_iscsi_stats->tcp_rx_pure_ackr); 11874161cee5SLalit Chandivade host_stats->tcptx_delayed_ack = 11884161cee5SLalit Chandivade le64_to_cpu(ql_iscsi_stats->tcp_tx_delayed_ack); 11894161cee5SLalit Chandivade host_stats->tcptx_pure_ack = 11904161cee5SLalit Chandivade le64_to_cpu(ql_iscsi_stats->tcp_tx_pure_ack); 11914161cee5SLalit Chandivade host_stats->tcprx_segment_error = 11924161cee5SLalit Chandivade le64_to_cpu(ql_iscsi_stats->tcp_rx_segment_error); 11934161cee5SLalit Chandivade host_stats->tcprx_segment_outoforder = 11944161cee5SLalit Chandivade le64_to_cpu(ql_iscsi_stats->tcp_rx_segment_outoforder); 11954161cee5SLalit Chandivade host_stats->tcprx_window_probe = 11964161cee5SLalit Chandivade le64_to_cpu(ql_iscsi_stats->tcp_rx_window_probe); 11974161cee5SLalit Chandivade host_stats->tcprx_window_update = 11984161cee5SLalit Chandivade le64_to_cpu(ql_iscsi_stats->tcp_rx_window_update); 11994161cee5SLalit Chandivade host_stats->tcptx_window_probe_persist = 12004161cee5SLalit Chandivade le64_to_cpu(ql_iscsi_stats->tcp_tx_window_probe_persist); 12014161cee5SLalit Chandivade host_stats->ecc_error_correction = 12024161cee5SLalit Chandivade le64_to_cpu(ql_iscsi_stats->ecc_error_correction); 12034161cee5SLalit Chandivade host_stats->iscsi_pdu_tx = le64_to_cpu(ql_iscsi_stats->iscsi_pdu_tx); 12044161cee5SLalit Chandivade host_stats->iscsi_data_bytes_tx = 12054161cee5SLalit Chandivade le64_to_cpu(ql_iscsi_stats->iscsi_data_bytes_tx); 12064161cee5SLalit Chandivade host_stats->iscsi_pdu_rx = le64_to_cpu(ql_iscsi_stats->iscsi_pdu_rx); 12074161cee5SLalit Chandivade host_stats->iscsi_data_bytes_rx = 12084161cee5SLalit Chandivade le64_to_cpu(ql_iscsi_stats->iscsi_data_bytes_rx); 12094161cee5SLalit Chandivade host_stats->iscsi_io_completed = 12104161cee5SLalit Chandivade le64_to_cpu(ql_iscsi_stats->iscsi_io_completed); 12114161cee5SLalit Chandivade host_stats->iscsi_unexpected_io_rx = 12124161cee5SLalit Chandivade le64_to_cpu(ql_iscsi_stats->iscsi_unexpected_io_rx); 12134161cee5SLalit Chandivade host_stats->iscsi_format_error = 12144161cee5SLalit Chandivade le64_to_cpu(ql_iscsi_stats->iscsi_format_error); 12154161cee5SLalit Chandivade host_stats->iscsi_hdr_digest_error = 12164161cee5SLalit Chandivade le64_to_cpu(ql_iscsi_stats->iscsi_hdr_digest_error); 12174161cee5SLalit Chandivade host_stats->iscsi_data_digest_error = 12184161cee5SLalit Chandivade le64_to_cpu(ql_iscsi_stats->iscsi_data_digest_error); 12194161cee5SLalit Chandivade host_stats->iscsi_sequence_error = 12204161cee5SLalit Chandivade le64_to_cpu(ql_iscsi_stats->iscsi_sequence_error); 12214161cee5SLalit Chandivade exit_host_stats: 12224161cee5SLalit Chandivade if (ql_iscsi_stats) 12234161cee5SLalit Chandivade dma_free_coherent(&ha->pdev->dev, host_stats_size, 12244161cee5SLalit Chandivade ql_iscsi_stats, iscsi_stats_dma); 12254161cee5SLalit Chandivade 12264161cee5SLalit Chandivade ql4_printk(KERN_INFO, ha, "%s: Get host stats done\n", 12274161cee5SLalit Chandivade __func__); 12284161cee5SLalit Chandivade return ret; 12294161cee5SLalit Chandivade } 12304161cee5SLalit Chandivade 1231ed1086e0SVikas Chaudhary static int qla4xxx_get_iface_param(struct iscsi_iface *iface, 1232ed1086e0SVikas Chaudhary enum iscsi_param_type param_type, 1233ed1086e0SVikas Chaudhary int param, char *buf) 1234ed1086e0SVikas Chaudhary { 1235ed1086e0SVikas Chaudhary struct Scsi_Host *shost = iscsi_iface_to_shost(iface); 1236ed1086e0SVikas Chaudhary struct scsi_qla_host *ha = to_qla_host(shost); 1237f8e93412SHarish Zunjarrao int ival; 1238f8e93412SHarish Zunjarrao char *pval = NULL; 1239ed1086e0SVikas Chaudhary int len = -ENOSYS; 1240ed1086e0SVikas Chaudhary 1241f8e93412SHarish Zunjarrao if (param_type == ISCSI_NET_PARAM) { 1242ed1086e0SVikas Chaudhary switch (param) { 1243ed1086e0SVikas Chaudhary case ISCSI_NET_PARAM_IPV4_ADDR: 1244ed1086e0SVikas Chaudhary len = sprintf(buf, "%pI4\n", &ha->ip_config.ip_address); 1245ed1086e0SVikas Chaudhary break; 1246ed1086e0SVikas Chaudhary case ISCSI_NET_PARAM_IPV4_SUBNET: 1247f8e93412SHarish Zunjarrao len = sprintf(buf, "%pI4\n", 1248f8e93412SHarish Zunjarrao &ha->ip_config.subnet_mask); 1249ed1086e0SVikas Chaudhary break; 1250ed1086e0SVikas Chaudhary case ISCSI_NET_PARAM_IPV4_GW: 1251ed1086e0SVikas Chaudhary len = sprintf(buf, "%pI4\n", &ha->ip_config.gateway); 1252ed1086e0SVikas Chaudhary break; 1253ed1086e0SVikas Chaudhary case ISCSI_NET_PARAM_IFACE_ENABLE: 1254f8e93412SHarish Zunjarrao if (iface->iface_type == ISCSI_IFACE_TYPE_IPV4) { 1255f8e93412SHarish Zunjarrao OP_STATE(ha->ip_config.ipv4_options, 1256f8e93412SHarish Zunjarrao IPOPT_IPV4_PROTOCOL_ENABLE, pval); 1257f8e93412SHarish Zunjarrao } else { 1258f8e93412SHarish Zunjarrao OP_STATE(ha->ip_config.ipv6_options, 1259f8e93412SHarish Zunjarrao IPV6_OPT_IPV6_PROTOCOL_ENABLE, pval); 1260f8e93412SHarish Zunjarrao } 1261f8e93412SHarish Zunjarrao 1262f8e93412SHarish Zunjarrao len = sprintf(buf, "%s\n", pval); 1263ed1086e0SVikas Chaudhary break; 1264ed1086e0SVikas Chaudhary case ISCSI_NET_PARAM_IPV4_BOOTPROTO: 1265ed1086e0SVikas Chaudhary len = sprintf(buf, "%s\n", 1266f8e93412SHarish Zunjarrao (ha->ip_config.tcp_options & 1267f8e93412SHarish Zunjarrao TCPOPT_DHCP_ENABLE) ? 1268ed1086e0SVikas Chaudhary "dhcp" : "static"); 1269ed1086e0SVikas Chaudhary break; 1270ed1086e0SVikas Chaudhary case ISCSI_NET_PARAM_IPV6_ADDR: 1271ed1086e0SVikas Chaudhary if (iface->iface_num == 0) 1272f8e93412SHarish Zunjarrao len = sprintf(buf, "%pI6\n", 1273f8e93412SHarish Zunjarrao &ha->ip_config.ipv6_addr0); 1274ed1086e0SVikas Chaudhary if (iface->iface_num == 1) 1275f8e93412SHarish Zunjarrao len = sprintf(buf, "%pI6\n", 1276f8e93412SHarish Zunjarrao &ha->ip_config.ipv6_addr1); 1277ed1086e0SVikas Chaudhary break; 1278ed1086e0SVikas Chaudhary case ISCSI_NET_PARAM_IPV6_LINKLOCAL: 1279ed1086e0SVikas Chaudhary len = sprintf(buf, "%pI6\n", 1280ed1086e0SVikas Chaudhary &ha->ip_config.ipv6_link_local_addr); 1281ed1086e0SVikas Chaudhary break; 1282ed1086e0SVikas Chaudhary case ISCSI_NET_PARAM_IPV6_ROUTER: 1283ed1086e0SVikas Chaudhary len = sprintf(buf, "%pI6\n", 1284ed1086e0SVikas Chaudhary &ha->ip_config.ipv6_default_router_addr); 1285ed1086e0SVikas Chaudhary break; 1286ed1086e0SVikas Chaudhary case ISCSI_NET_PARAM_IPV6_ADDR_AUTOCFG: 1287f8e93412SHarish Zunjarrao pval = (ha->ip_config.ipv6_addl_options & 1288ed1086e0SVikas Chaudhary IPV6_ADDOPT_NEIGHBOR_DISCOVERY_ADDR_ENABLE) ? 1289f8e93412SHarish Zunjarrao "nd" : "static"; 1290f8e93412SHarish Zunjarrao 1291f8e93412SHarish Zunjarrao len = sprintf(buf, "%s\n", pval); 1292ed1086e0SVikas Chaudhary break; 1293ed1086e0SVikas Chaudhary case ISCSI_NET_PARAM_IPV6_LINKLOCAL_AUTOCFG: 1294f8e93412SHarish Zunjarrao pval = (ha->ip_config.ipv6_addl_options & 1295ed1086e0SVikas Chaudhary IPV6_ADDOPT_AUTOCONFIG_LINK_LOCAL_ADDR) ? 1296f8e93412SHarish Zunjarrao "auto" : "static"; 1297f8e93412SHarish Zunjarrao 1298f8e93412SHarish Zunjarrao len = sprintf(buf, "%s\n", pval); 1299ed1086e0SVikas Chaudhary break; 13006ac73e8cSVikas Chaudhary case ISCSI_NET_PARAM_VLAN_ID: 13016ac73e8cSVikas Chaudhary if (iface->iface_type == ISCSI_IFACE_TYPE_IPV4) 1302f8e93412SHarish Zunjarrao ival = ha->ip_config.ipv4_vlan_tag & 1303f8e93412SHarish Zunjarrao ISCSI_MAX_VLAN_ID; 1304f8e93412SHarish Zunjarrao else 1305f8e93412SHarish Zunjarrao ival = ha->ip_config.ipv6_vlan_tag & 1306f8e93412SHarish Zunjarrao ISCSI_MAX_VLAN_ID; 1307f8e93412SHarish Zunjarrao 1308f8e93412SHarish Zunjarrao len = sprintf(buf, "%d\n", ival); 13096ac73e8cSVikas Chaudhary break; 13106ac73e8cSVikas Chaudhary case ISCSI_NET_PARAM_VLAN_PRIORITY: 13116ac73e8cSVikas Chaudhary if (iface->iface_type == ISCSI_IFACE_TYPE_IPV4) 1312f8e93412SHarish Zunjarrao ival = (ha->ip_config.ipv4_vlan_tag >> 13) & 1313f8e93412SHarish Zunjarrao ISCSI_MAX_VLAN_PRIORITY; 1314f8e93412SHarish Zunjarrao else 1315f8e93412SHarish Zunjarrao ival = (ha->ip_config.ipv6_vlan_tag >> 13) & 1316f8e93412SHarish Zunjarrao ISCSI_MAX_VLAN_PRIORITY; 1317f8e93412SHarish Zunjarrao 1318f8e93412SHarish Zunjarrao len = sprintf(buf, "%d\n", ival); 13196ac73e8cSVikas Chaudhary break; 13206ac73e8cSVikas Chaudhary case ISCSI_NET_PARAM_VLAN_ENABLED: 1321f8e93412SHarish Zunjarrao if (iface->iface_type == ISCSI_IFACE_TYPE_IPV4) { 1322f8e93412SHarish Zunjarrao OP_STATE(ha->ip_config.ipv4_options, 1323f8e93412SHarish Zunjarrao IPOPT_VLAN_TAGGING_ENABLE, pval); 1324f8e93412SHarish Zunjarrao } else { 1325f8e93412SHarish Zunjarrao OP_STATE(ha->ip_config.ipv6_options, 1326f8e93412SHarish Zunjarrao IPV6_OPT_VLAN_TAGGING_ENABLE, pval); 1327f8e93412SHarish Zunjarrao } 1328f8e93412SHarish Zunjarrao len = sprintf(buf, "%s\n", pval); 13296ac73e8cSVikas Chaudhary break; 1330943c157bSVikas Chaudhary case ISCSI_NET_PARAM_MTU: 1331943c157bSVikas Chaudhary len = sprintf(buf, "%d\n", ha->ip_config.eth_mtu_size); 1332943c157bSVikas Chaudhary break; 13332ada7fc5SVikas Chaudhary case ISCSI_NET_PARAM_PORT: 13342ada7fc5SVikas Chaudhary if (iface->iface_type == ISCSI_IFACE_TYPE_IPV4) 1335f8e93412SHarish Zunjarrao len = sprintf(buf, "%d\n", 1336f8e93412SHarish Zunjarrao ha->ip_config.ipv4_port); 1337f8e93412SHarish Zunjarrao else 1338f8e93412SHarish Zunjarrao len = sprintf(buf, "%d\n", 1339f8e93412SHarish Zunjarrao ha->ip_config.ipv6_port); 1340f8e93412SHarish Zunjarrao break; 1341f8e93412SHarish Zunjarrao case ISCSI_NET_PARAM_IPADDR_STATE: 1342f8e93412SHarish Zunjarrao if (iface->iface_type == ISCSI_IFACE_TYPE_IPV4) { 1343f8e93412SHarish Zunjarrao pval = iscsi_get_ipaddress_state_name( 1344f8e93412SHarish Zunjarrao ha->ip_config.ipv4_addr_state); 1345f8e93412SHarish Zunjarrao } else { 1346f8e93412SHarish Zunjarrao if (iface->iface_num == 0) 1347f8e93412SHarish Zunjarrao pval = iscsi_get_ipaddress_state_name( 1348f8e93412SHarish Zunjarrao ha->ip_config.ipv6_addr0_state); 1349f8e93412SHarish Zunjarrao else if (iface->iface_num == 1) 1350f8e93412SHarish Zunjarrao pval = iscsi_get_ipaddress_state_name( 1351f8e93412SHarish Zunjarrao ha->ip_config.ipv6_addr1_state); 1352f8e93412SHarish Zunjarrao } 1353f8e93412SHarish Zunjarrao 1354f8e93412SHarish Zunjarrao len = sprintf(buf, "%s\n", pval); 1355f8e93412SHarish Zunjarrao break; 1356f8e93412SHarish Zunjarrao case ISCSI_NET_PARAM_IPV6_LINKLOCAL_STATE: 1357f8e93412SHarish Zunjarrao pval = iscsi_get_ipaddress_state_name( 1358f8e93412SHarish Zunjarrao ha->ip_config.ipv6_link_local_state); 1359f8e93412SHarish Zunjarrao len = sprintf(buf, "%s\n", pval); 1360f8e93412SHarish Zunjarrao break; 1361f8e93412SHarish Zunjarrao case ISCSI_NET_PARAM_IPV6_ROUTER_STATE: 1362f8e93412SHarish Zunjarrao pval = iscsi_get_router_state_name( 1363f8e93412SHarish Zunjarrao ha->ip_config.ipv6_default_router_state); 1364f8e93412SHarish Zunjarrao len = sprintf(buf, "%s\n", pval); 1365f8e93412SHarish Zunjarrao break; 1366f8e93412SHarish Zunjarrao case ISCSI_NET_PARAM_DELAYED_ACK_EN: 1367f8e93412SHarish Zunjarrao if (iface->iface_type == ISCSI_IFACE_TYPE_IPV4) { 1368f8e93412SHarish Zunjarrao OP_STATE(~ha->ip_config.tcp_options, 1369f8e93412SHarish Zunjarrao TCPOPT_DELAYED_ACK_DISABLE, pval); 1370f8e93412SHarish Zunjarrao } else { 1371f8e93412SHarish Zunjarrao OP_STATE(~ha->ip_config.ipv6_tcp_options, 1372f8e93412SHarish Zunjarrao IPV6_TCPOPT_DELAYED_ACK_DISABLE, pval); 1373f8e93412SHarish Zunjarrao } 1374f8e93412SHarish Zunjarrao len = sprintf(buf, "%s\n", pval); 1375f8e93412SHarish Zunjarrao break; 1376f8e93412SHarish Zunjarrao case ISCSI_NET_PARAM_TCP_NAGLE_DISABLE: 1377f8e93412SHarish Zunjarrao if (iface->iface_type == ISCSI_IFACE_TYPE_IPV4) { 1378f8e93412SHarish Zunjarrao OP_STATE(~ha->ip_config.tcp_options, 1379f8e93412SHarish Zunjarrao TCPOPT_NAGLE_ALGO_DISABLE, pval); 1380f8e93412SHarish Zunjarrao } else { 1381f8e93412SHarish Zunjarrao OP_STATE(~ha->ip_config.ipv6_tcp_options, 1382f8e93412SHarish Zunjarrao IPV6_TCPOPT_NAGLE_ALGO_DISABLE, pval); 1383f8e93412SHarish Zunjarrao } 1384f8e93412SHarish Zunjarrao len = sprintf(buf, "%s\n", pval); 1385f8e93412SHarish Zunjarrao break; 1386f8e93412SHarish Zunjarrao case ISCSI_NET_PARAM_TCP_WSF_DISABLE: 1387f8e93412SHarish Zunjarrao if (iface->iface_type == ISCSI_IFACE_TYPE_IPV4) { 1388f8e93412SHarish Zunjarrao OP_STATE(~ha->ip_config.tcp_options, 1389f8e93412SHarish Zunjarrao TCPOPT_WINDOW_SCALE_DISABLE, pval); 1390f8e93412SHarish Zunjarrao } else { 1391f8e93412SHarish Zunjarrao OP_STATE(~ha->ip_config.ipv6_tcp_options, 1392f8e93412SHarish Zunjarrao IPV6_TCPOPT_WINDOW_SCALE_DISABLE, 1393f8e93412SHarish Zunjarrao pval); 1394f8e93412SHarish Zunjarrao } 1395f8e93412SHarish Zunjarrao len = sprintf(buf, "%s\n", pval); 1396f8e93412SHarish Zunjarrao break; 1397f8e93412SHarish Zunjarrao case ISCSI_NET_PARAM_TCP_WSF: 1398f8e93412SHarish Zunjarrao if (iface->iface_type == ISCSI_IFACE_TYPE_IPV4) 1399f8e93412SHarish Zunjarrao len = sprintf(buf, "%d\n", 1400f8e93412SHarish Zunjarrao ha->ip_config.tcp_wsf); 1401f8e93412SHarish Zunjarrao else 1402f8e93412SHarish Zunjarrao len = sprintf(buf, "%d\n", 1403f8e93412SHarish Zunjarrao ha->ip_config.ipv6_tcp_wsf); 1404f8e93412SHarish Zunjarrao break; 1405f8e93412SHarish Zunjarrao case ISCSI_NET_PARAM_TCP_TIMER_SCALE: 1406f8e93412SHarish Zunjarrao if (iface->iface_type == ISCSI_IFACE_TYPE_IPV4) 1407f8e93412SHarish Zunjarrao ival = (ha->ip_config.tcp_options & 1408f8e93412SHarish Zunjarrao TCPOPT_TIMER_SCALE) >> 1; 1409f8e93412SHarish Zunjarrao else 1410f8e93412SHarish Zunjarrao ival = (ha->ip_config.ipv6_tcp_options & 1411f8e93412SHarish Zunjarrao IPV6_TCPOPT_TIMER_SCALE) >> 1; 1412f8e93412SHarish Zunjarrao 1413f8e93412SHarish Zunjarrao len = sprintf(buf, "%d\n", ival); 1414f8e93412SHarish Zunjarrao break; 1415f8e93412SHarish Zunjarrao case ISCSI_NET_PARAM_TCP_TIMESTAMP_EN: 1416f8e93412SHarish Zunjarrao if (iface->iface_type == ISCSI_IFACE_TYPE_IPV4) { 1417f8e93412SHarish Zunjarrao OP_STATE(ha->ip_config.tcp_options, 1418f8e93412SHarish Zunjarrao TCPOPT_TIMESTAMP_ENABLE, pval); 1419f8e93412SHarish Zunjarrao } else { 1420f8e93412SHarish Zunjarrao OP_STATE(ha->ip_config.ipv6_tcp_options, 1421f8e93412SHarish Zunjarrao IPV6_TCPOPT_TIMESTAMP_EN, pval); 1422f8e93412SHarish Zunjarrao } 1423f8e93412SHarish Zunjarrao len = sprintf(buf, "%s\n", pval); 1424f8e93412SHarish Zunjarrao break; 1425f8e93412SHarish Zunjarrao case ISCSI_NET_PARAM_CACHE_ID: 1426f8e93412SHarish Zunjarrao if (iface->iface_type == ISCSI_IFACE_TYPE_IPV4) 1427f8e93412SHarish Zunjarrao len = sprintf(buf, "%d\n", 1428f8e93412SHarish Zunjarrao ha->ip_config.ipv4_cache_id); 1429f8e93412SHarish Zunjarrao else 1430f8e93412SHarish Zunjarrao len = sprintf(buf, "%d\n", 1431f8e93412SHarish Zunjarrao ha->ip_config.ipv6_cache_id); 1432f8e93412SHarish Zunjarrao break; 1433f8e93412SHarish Zunjarrao case ISCSI_NET_PARAM_IPV4_DHCP_DNS_ADDR_EN: 1434f8e93412SHarish Zunjarrao OP_STATE(ha->ip_config.tcp_options, 1435f8e93412SHarish Zunjarrao TCPOPT_DNS_SERVER_IP_EN, pval); 1436f8e93412SHarish Zunjarrao 1437f8e93412SHarish Zunjarrao len = sprintf(buf, "%s\n", pval); 1438f8e93412SHarish Zunjarrao break; 1439f8e93412SHarish Zunjarrao case ISCSI_NET_PARAM_IPV4_DHCP_SLP_DA_EN: 1440f8e93412SHarish Zunjarrao OP_STATE(ha->ip_config.tcp_options, 1441f8e93412SHarish Zunjarrao TCPOPT_SLP_DA_INFO_EN, pval); 1442f8e93412SHarish Zunjarrao 1443f8e93412SHarish Zunjarrao len = sprintf(buf, "%s\n", pval); 1444f8e93412SHarish Zunjarrao break; 1445f8e93412SHarish Zunjarrao case ISCSI_NET_PARAM_IPV4_TOS_EN: 1446f8e93412SHarish Zunjarrao OP_STATE(ha->ip_config.ipv4_options, 1447f8e93412SHarish Zunjarrao IPOPT_IPV4_TOS_EN, pval); 1448f8e93412SHarish Zunjarrao 1449f8e93412SHarish Zunjarrao len = sprintf(buf, "%s\n", pval); 1450f8e93412SHarish Zunjarrao break; 1451f8e93412SHarish Zunjarrao case ISCSI_NET_PARAM_IPV4_TOS: 1452f8e93412SHarish Zunjarrao len = sprintf(buf, "%d\n", ha->ip_config.ipv4_tos); 1453f8e93412SHarish Zunjarrao break; 1454f8e93412SHarish Zunjarrao case ISCSI_NET_PARAM_IPV4_GRAT_ARP_EN: 1455f8e93412SHarish Zunjarrao OP_STATE(ha->ip_config.ipv4_options, 1456f8e93412SHarish Zunjarrao IPOPT_GRAT_ARP_EN, pval); 1457f8e93412SHarish Zunjarrao 1458f8e93412SHarish Zunjarrao len = sprintf(buf, "%s\n", pval); 1459f8e93412SHarish Zunjarrao break; 1460f8e93412SHarish Zunjarrao case ISCSI_NET_PARAM_IPV4_DHCP_ALT_CLIENT_ID_EN: 1461f8e93412SHarish Zunjarrao OP_STATE(ha->ip_config.ipv4_options, IPOPT_ALT_CID_EN, 1462f8e93412SHarish Zunjarrao pval); 1463f8e93412SHarish Zunjarrao 1464f8e93412SHarish Zunjarrao len = sprintf(buf, "%s\n", pval); 1465f8e93412SHarish Zunjarrao break; 1466f8e93412SHarish Zunjarrao case ISCSI_NET_PARAM_IPV4_DHCP_ALT_CLIENT_ID: 1467f8e93412SHarish Zunjarrao pval = (ha->ip_config.ipv4_alt_cid_len) ? 1468f8e93412SHarish Zunjarrao (char *)ha->ip_config.ipv4_alt_cid : ""; 1469f8e93412SHarish Zunjarrao 1470f8e93412SHarish Zunjarrao len = sprintf(buf, "%s\n", pval); 1471f8e93412SHarish Zunjarrao break; 1472f8e93412SHarish Zunjarrao case ISCSI_NET_PARAM_IPV4_DHCP_REQ_VENDOR_ID_EN: 1473f8e93412SHarish Zunjarrao OP_STATE(ha->ip_config.ipv4_options, 1474f8e93412SHarish Zunjarrao IPOPT_REQ_VID_EN, pval); 1475f8e93412SHarish Zunjarrao 1476f8e93412SHarish Zunjarrao len = sprintf(buf, "%s\n", pval); 1477f8e93412SHarish Zunjarrao break; 1478f8e93412SHarish Zunjarrao case ISCSI_NET_PARAM_IPV4_DHCP_USE_VENDOR_ID_EN: 1479f8e93412SHarish Zunjarrao OP_STATE(ha->ip_config.ipv4_options, 1480f8e93412SHarish Zunjarrao IPOPT_USE_VID_EN, pval); 1481f8e93412SHarish Zunjarrao 1482f8e93412SHarish Zunjarrao len = sprintf(buf, "%s\n", pval); 1483f8e93412SHarish Zunjarrao break; 1484f8e93412SHarish Zunjarrao case ISCSI_NET_PARAM_IPV4_DHCP_VENDOR_ID: 1485f8e93412SHarish Zunjarrao pval = (ha->ip_config.ipv4_vid_len) ? 1486f8e93412SHarish Zunjarrao (char *)ha->ip_config.ipv4_vid : ""; 1487f8e93412SHarish Zunjarrao 1488f8e93412SHarish Zunjarrao len = sprintf(buf, "%s\n", pval); 1489f8e93412SHarish Zunjarrao break; 1490f8e93412SHarish Zunjarrao case ISCSI_NET_PARAM_IPV4_DHCP_LEARN_IQN_EN: 1491f8e93412SHarish Zunjarrao OP_STATE(ha->ip_config.ipv4_options, 1492f8e93412SHarish Zunjarrao IPOPT_LEARN_IQN_EN, pval); 1493f8e93412SHarish Zunjarrao 1494f8e93412SHarish Zunjarrao len = sprintf(buf, "%s\n", pval); 1495f8e93412SHarish Zunjarrao break; 1496f8e93412SHarish Zunjarrao case ISCSI_NET_PARAM_IPV4_FRAGMENT_DISABLE: 1497f8e93412SHarish Zunjarrao OP_STATE(~ha->ip_config.ipv4_options, 1498f8e93412SHarish Zunjarrao IPOPT_FRAGMENTATION_DISABLE, pval); 1499f8e93412SHarish Zunjarrao 1500f8e93412SHarish Zunjarrao len = sprintf(buf, "%s\n", pval); 1501f8e93412SHarish Zunjarrao break; 1502f8e93412SHarish Zunjarrao case ISCSI_NET_PARAM_IPV4_IN_FORWARD_EN: 1503f8e93412SHarish Zunjarrao OP_STATE(ha->ip_config.ipv4_options, 1504f8e93412SHarish Zunjarrao IPOPT_IN_FORWARD_EN, pval); 1505f8e93412SHarish Zunjarrao 1506f8e93412SHarish Zunjarrao len = sprintf(buf, "%s\n", pval); 1507f8e93412SHarish Zunjarrao break; 1508f8e93412SHarish Zunjarrao case ISCSI_NET_PARAM_REDIRECT_EN: 1509f8e93412SHarish Zunjarrao if (iface->iface_type == ISCSI_IFACE_TYPE_IPV4) { 1510f8e93412SHarish Zunjarrao OP_STATE(ha->ip_config.ipv4_options, 1511f8e93412SHarish Zunjarrao IPOPT_ARP_REDIRECT_EN, pval); 1512f8e93412SHarish Zunjarrao } else { 1513f8e93412SHarish Zunjarrao OP_STATE(ha->ip_config.ipv6_options, 1514f8e93412SHarish Zunjarrao IPV6_OPT_REDIRECT_EN, pval); 1515f8e93412SHarish Zunjarrao } 1516f8e93412SHarish Zunjarrao len = sprintf(buf, "%s\n", pval); 1517f8e93412SHarish Zunjarrao break; 1518f8e93412SHarish Zunjarrao case ISCSI_NET_PARAM_IPV4_TTL: 1519f8e93412SHarish Zunjarrao len = sprintf(buf, "%d\n", ha->ip_config.ipv4_ttl); 1520f8e93412SHarish Zunjarrao break; 1521f8e93412SHarish Zunjarrao case ISCSI_NET_PARAM_IPV6_GRAT_NEIGHBOR_ADV_EN: 1522f8e93412SHarish Zunjarrao OP_STATE(ha->ip_config.ipv6_options, 1523f8e93412SHarish Zunjarrao IPV6_OPT_GRAT_NEIGHBOR_ADV_EN, pval); 1524f8e93412SHarish Zunjarrao 1525f8e93412SHarish Zunjarrao len = sprintf(buf, "%s\n", pval); 1526f8e93412SHarish Zunjarrao break; 1527f8e93412SHarish Zunjarrao case ISCSI_NET_PARAM_IPV6_MLD_EN: 1528f8e93412SHarish Zunjarrao OP_STATE(ha->ip_config.ipv6_addl_options, 1529f8e93412SHarish Zunjarrao IPV6_ADDOPT_MLD_EN, pval); 1530f8e93412SHarish Zunjarrao 1531f8e93412SHarish Zunjarrao len = sprintf(buf, "%s\n", pval); 1532f8e93412SHarish Zunjarrao break; 1533f8e93412SHarish Zunjarrao case ISCSI_NET_PARAM_IPV6_FLOW_LABEL: 1534f8e93412SHarish Zunjarrao len = sprintf(buf, "%u\n", ha->ip_config.ipv6_flow_lbl); 1535f8e93412SHarish Zunjarrao break; 1536f8e93412SHarish Zunjarrao case ISCSI_NET_PARAM_IPV6_TRAFFIC_CLASS: 1537f8e93412SHarish Zunjarrao len = sprintf(buf, "%d\n", 1538f8e93412SHarish Zunjarrao ha->ip_config.ipv6_traffic_class); 1539f8e93412SHarish Zunjarrao break; 1540f8e93412SHarish Zunjarrao case ISCSI_NET_PARAM_IPV6_HOP_LIMIT: 1541f8e93412SHarish Zunjarrao len = sprintf(buf, "%d\n", 1542f8e93412SHarish Zunjarrao ha->ip_config.ipv6_hop_limit); 1543f8e93412SHarish Zunjarrao break; 1544f8e93412SHarish Zunjarrao case ISCSI_NET_PARAM_IPV6_ND_REACHABLE_TMO: 1545f8e93412SHarish Zunjarrao len = sprintf(buf, "%d\n", 1546f8e93412SHarish Zunjarrao ha->ip_config.ipv6_nd_reach_time); 1547f8e93412SHarish Zunjarrao break; 1548f8e93412SHarish Zunjarrao case ISCSI_NET_PARAM_IPV6_ND_REXMIT_TIME: 1549f8e93412SHarish Zunjarrao len = sprintf(buf, "%d\n", 1550f8e93412SHarish Zunjarrao ha->ip_config.ipv6_nd_rexmit_timer); 1551f8e93412SHarish Zunjarrao break; 1552f8e93412SHarish Zunjarrao case ISCSI_NET_PARAM_IPV6_ND_STALE_TMO: 1553f8e93412SHarish Zunjarrao len = sprintf(buf, "%d\n", 1554f8e93412SHarish Zunjarrao ha->ip_config.ipv6_nd_stale_timeout); 1555f8e93412SHarish Zunjarrao break; 1556f8e93412SHarish Zunjarrao case ISCSI_NET_PARAM_IPV6_DUP_ADDR_DETECT_CNT: 1557f8e93412SHarish Zunjarrao len = sprintf(buf, "%d\n", 1558f8e93412SHarish Zunjarrao ha->ip_config.ipv6_dup_addr_detect_count); 1559f8e93412SHarish Zunjarrao break; 1560f8e93412SHarish Zunjarrao case ISCSI_NET_PARAM_IPV6_RTR_ADV_LINK_MTU: 1561f8e93412SHarish Zunjarrao len = sprintf(buf, "%d\n", 1562f8e93412SHarish Zunjarrao ha->ip_config.ipv6_gw_advrt_mtu); 15632ada7fc5SVikas Chaudhary break; 1564ed1086e0SVikas Chaudhary default: 1565ed1086e0SVikas Chaudhary len = -ENOSYS; 1566ed1086e0SVikas Chaudhary } 1567f8e93412SHarish Zunjarrao } else if (param_type == ISCSI_IFACE_PARAM) { 1568f8e93412SHarish Zunjarrao switch (param) { 1569f8e93412SHarish Zunjarrao case ISCSI_IFACE_PARAM_DEF_TASKMGMT_TMO: 1570f8e93412SHarish Zunjarrao len = sprintf(buf, "%d\n", ha->ip_config.def_timeout); 1571f8e93412SHarish Zunjarrao break; 1572f8e93412SHarish Zunjarrao case ISCSI_IFACE_PARAM_HDRDGST_EN: 1573f8e93412SHarish Zunjarrao OP_STATE(ha->ip_config.iscsi_options, 1574f8e93412SHarish Zunjarrao ISCSIOPTS_HEADER_DIGEST_EN, pval); 1575f8e93412SHarish Zunjarrao 1576f8e93412SHarish Zunjarrao len = sprintf(buf, "%s\n", pval); 1577f8e93412SHarish Zunjarrao break; 1578f8e93412SHarish Zunjarrao case ISCSI_IFACE_PARAM_DATADGST_EN: 1579f8e93412SHarish Zunjarrao OP_STATE(ha->ip_config.iscsi_options, 1580f8e93412SHarish Zunjarrao ISCSIOPTS_DATA_DIGEST_EN, pval); 1581f8e93412SHarish Zunjarrao 1582f8e93412SHarish Zunjarrao len = sprintf(buf, "%s\n", pval); 1583f8e93412SHarish Zunjarrao break; 1584f8e93412SHarish Zunjarrao case ISCSI_IFACE_PARAM_IMM_DATA_EN: 1585f8e93412SHarish Zunjarrao OP_STATE(ha->ip_config.iscsi_options, 1586f8e93412SHarish Zunjarrao ISCSIOPTS_IMMEDIATE_DATA_EN, pval); 1587f8e93412SHarish Zunjarrao 1588f8e93412SHarish Zunjarrao len = sprintf(buf, "%s\n", pval); 1589f8e93412SHarish Zunjarrao break; 1590f8e93412SHarish Zunjarrao case ISCSI_IFACE_PARAM_INITIAL_R2T_EN: 1591f8e93412SHarish Zunjarrao OP_STATE(ha->ip_config.iscsi_options, 1592f8e93412SHarish Zunjarrao ISCSIOPTS_INITIAL_R2T_EN, pval); 1593f8e93412SHarish Zunjarrao 1594f8e93412SHarish Zunjarrao len = sprintf(buf, "%s\n", pval); 1595f8e93412SHarish Zunjarrao break; 1596f8e93412SHarish Zunjarrao case ISCSI_IFACE_PARAM_DATASEQ_INORDER_EN: 1597f8e93412SHarish Zunjarrao OP_STATE(ha->ip_config.iscsi_options, 1598f8e93412SHarish Zunjarrao ISCSIOPTS_DATA_SEQ_INORDER_EN, pval); 1599f8e93412SHarish Zunjarrao 1600f8e93412SHarish Zunjarrao len = sprintf(buf, "%s\n", pval); 1601f8e93412SHarish Zunjarrao break; 1602f8e93412SHarish Zunjarrao case ISCSI_IFACE_PARAM_PDU_INORDER_EN: 1603f8e93412SHarish Zunjarrao OP_STATE(ha->ip_config.iscsi_options, 1604f8e93412SHarish Zunjarrao ISCSIOPTS_DATA_PDU_INORDER_EN, pval); 1605f8e93412SHarish Zunjarrao 1606f8e93412SHarish Zunjarrao len = sprintf(buf, "%s\n", pval); 1607f8e93412SHarish Zunjarrao break; 1608f8e93412SHarish Zunjarrao case ISCSI_IFACE_PARAM_ERL: 1609f8e93412SHarish Zunjarrao len = sprintf(buf, "%d\n", 1610f8e93412SHarish Zunjarrao (ha->ip_config.iscsi_options & 1611f8e93412SHarish Zunjarrao ISCSIOPTS_ERL)); 1612f8e93412SHarish Zunjarrao break; 1613f8e93412SHarish Zunjarrao case ISCSI_IFACE_PARAM_MAX_RECV_DLENGTH: 1614f8e93412SHarish Zunjarrao len = sprintf(buf, "%u\n", 1615f8e93412SHarish Zunjarrao ha->ip_config.iscsi_max_pdu_size * 1616f8e93412SHarish Zunjarrao BYTE_UNITS); 1617f8e93412SHarish Zunjarrao break; 1618f8e93412SHarish Zunjarrao case ISCSI_IFACE_PARAM_FIRST_BURST: 1619f8e93412SHarish Zunjarrao len = sprintf(buf, "%u\n", 1620f8e93412SHarish Zunjarrao ha->ip_config.iscsi_first_burst_len * 1621f8e93412SHarish Zunjarrao BYTE_UNITS); 1622f8e93412SHarish Zunjarrao break; 1623f8e93412SHarish Zunjarrao case ISCSI_IFACE_PARAM_MAX_R2T: 1624f8e93412SHarish Zunjarrao len = sprintf(buf, "%d\n", 1625f8e93412SHarish Zunjarrao ha->ip_config.iscsi_max_outstnd_r2t); 1626f8e93412SHarish Zunjarrao break; 1627f8e93412SHarish Zunjarrao case ISCSI_IFACE_PARAM_MAX_BURST: 1628f8e93412SHarish Zunjarrao len = sprintf(buf, "%u\n", 1629f8e93412SHarish Zunjarrao ha->ip_config.iscsi_max_burst_len * 1630f8e93412SHarish Zunjarrao BYTE_UNITS); 1631f8e93412SHarish Zunjarrao break; 1632f8e93412SHarish Zunjarrao case ISCSI_IFACE_PARAM_CHAP_AUTH_EN: 1633f8e93412SHarish Zunjarrao OP_STATE(ha->ip_config.iscsi_options, 1634f8e93412SHarish Zunjarrao ISCSIOPTS_CHAP_AUTH_EN, pval); 1635f8e93412SHarish Zunjarrao 1636f8e93412SHarish Zunjarrao len = sprintf(buf, "%s\n", pval); 1637f8e93412SHarish Zunjarrao break; 1638f8e93412SHarish Zunjarrao case ISCSI_IFACE_PARAM_BIDI_CHAP_EN: 1639f8e93412SHarish Zunjarrao OP_STATE(ha->ip_config.iscsi_options, 1640f8e93412SHarish Zunjarrao ISCSIOPTS_BIDI_CHAP_EN, pval); 1641f8e93412SHarish Zunjarrao 1642f8e93412SHarish Zunjarrao len = sprintf(buf, "%s\n", pval); 1643f8e93412SHarish Zunjarrao break; 1644f8e93412SHarish Zunjarrao case ISCSI_IFACE_PARAM_DISCOVERY_AUTH_OPTIONAL: 1645f8e93412SHarish Zunjarrao OP_STATE(ha->ip_config.iscsi_options, 1646f8e93412SHarish Zunjarrao ISCSIOPTS_DISCOVERY_AUTH_EN, pval); 1647f8e93412SHarish Zunjarrao 1648f8e93412SHarish Zunjarrao len = sprintf(buf, "%s\n", pval); 1649f8e93412SHarish Zunjarrao break; 1650f8e93412SHarish Zunjarrao case ISCSI_IFACE_PARAM_DISCOVERY_LOGOUT_EN: 1651f8e93412SHarish Zunjarrao OP_STATE(ha->ip_config.iscsi_options, 1652f8e93412SHarish Zunjarrao ISCSIOPTS_DISCOVERY_LOGOUT_EN, pval); 1653f8e93412SHarish Zunjarrao 1654f8e93412SHarish Zunjarrao len = sprintf(buf, "%s\n", pval); 1655f8e93412SHarish Zunjarrao break; 1656f8e93412SHarish Zunjarrao case ISCSI_IFACE_PARAM_STRICT_LOGIN_COMP_EN: 1657f8e93412SHarish Zunjarrao OP_STATE(ha->ip_config.iscsi_options, 1658f8e93412SHarish Zunjarrao ISCSIOPTS_STRICT_LOGIN_COMP_EN, pval); 1659f8e93412SHarish Zunjarrao 1660f8e93412SHarish Zunjarrao len = sprintf(buf, "%s\n", pval); 1661f8e93412SHarish Zunjarrao break; 1662f8e93412SHarish Zunjarrao case ISCSI_IFACE_PARAM_INITIATOR_NAME: 1663f8e93412SHarish Zunjarrao len = sprintf(buf, "%s\n", ha->ip_config.iscsi_name); 1664f8e93412SHarish Zunjarrao break; 1665f8e93412SHarish Zunjarrao default: 1666f8e93412SHarish Zunjarrao len = -ENOSYS; 1667f8e93412SHarish Zunjarrao } 1668f8e93412SHarish Zunjarrao } 1669ed1086e0SVikas Chaudhary 1670ed1086e0SVikas Chaudhary return len; 1671ed1086e0SVikas Chaudhary } 1672ed1086e0SVikas Chaudhary 1673b3a271a9SManish Rangankar static struct iscsi_endpoint * 1674b3a271a9SManish Rangankar qla4xxx_ep_connect(struct Scsi_Host *shost, struct sockaddr *dst_addr, 1675b3a271a9SManish Rangankar int non_blocking) 1676b3a271a9SManish Rangankar { 1677b3a271a9SManish Rangankar int ret; 1678b3a271a9SManish Rangankar struct iscsi_endpoint *ep; 1679b3a271a9SManish Rangankar struct qla_endpoint *qla_ep; 1680b3a271a9SManish Rangankar struct scsi_qla_host *ha; 1681b3a271a9SManish Rangankar struct sockaddr_in *addr; 1682b3a271a9SManish Rangankar struct sockaddr_in6 *addr6; 1683b3a271a9SManish Rangankar 1684b3a271a9SManish Rangankar if (!shost) { 1685b3a271a9SManish Rangankar ret = -ENXIO; 1686c343c5e0SVikas Chaudhary pr_err("%s: shost is NULL\n", __func__); 1687b3a271a9SManish Rangankar return ERR_PTR(ret); 1688b3a271a9SManish Rangankar } 1689b3a271a9SManish Rangankar 1690b3a271a9SManish Rangankar ha = iscsi_host_priv(shost); 1691b3a271a9SManish Rangankar ep = iscsi_create_endpoint(sizeof(struct qla_endpoint)); 1692b3a271a9SManish Rangankar if (!ep) { 1693b3a271a9SManish Rangankar ret = -ENOMEM; 1694b3a271a9SManish Rangankar return ERR_PTR(ret); 1695b3a271a9SManish Rangankar } 1696b3a271a9SManish Rangankar 1697b3a271a9SManish Rangankar qla_ep = ep->dd_data; 1698b3a271a9SManish Rangankar memset(qla_ep, 0, sizeof(struct qla_endpoint)); 1699b3a271a9SManish Rangankar if (dst_addr->sa_family == AF_INET) { 1700b3a271a9SManish Rangankar memcpy(&qla_ep->dst_addr, dst_addr, sizeof(struct sockaddr_in)); 1701b3a271a9SManish Rangankar addr = (struct sockaddr_in *)&qla_ep->dst_addr; 1702b3a271a9SManish Rangankar DEBUG2(ql4_printk(KERN_INFO, ha, "%s: %pI4\n", __func__, 1703b3a271a9SManish Rangankar (char *)&addr->sin_addr)); 1704b3a271a9SManish Rangankar } else if (dst_addr->sa_family == AF_INET6) { 1705b3a271a9SManish Rangankar memcpy(&qla_ep->dst_addr, dst_addr, 1706b3a271a9SManish Rangankar sizeof(struct sockaddr_in6)); 1707b3a271a9SManish Rangankar addr6 = (struct sockaddr_in6 *)&qla_ep->dst_addr; 1708b3a271a9SManish Rangankar DEBUG2(ql4_printk(KERN_INFO, ha, "%s: %pI6\n", __func__, 1709b3a271a9SManish Rangankar (char *)&addr6->sin6_addr)); 1710c343c5e0SVikas Chaudhary } else { 1711c343c5e0SVikas Chaudhary ql4_printk(KERN_WARNING, ha, "%s: Invalid endpoint\n", 1712c343c5e0SVikas Chaudhary __func__); 1713b3a271a9SManish Rangankar } 1714b3a271a9SManish Rangankar 1715b3a271a9SManish Rangankar qla_ep->host = shost; 1716b3a271a9SManish Rangankar 1717b3a271a9SManish Rangankar return ep; 1718b3a271a9SManish Rangankar } 1719b3a271a9SManish Rangankar 1720b3a271a9SManish Rangankar static int qla4xxx_ep_poll(struct iscsi_endpoint *ep, int timeout_ms) 1721b3a271a9SManish Rangankar { 1722b3a271a9SManish Rangankar struct qla_endpoint *qla_ep; 1723b3a271a9SManish Rangankar struct scsi_qla_host *ha; 1724b3a271a9SManish Rangankar int ret = 0; 1725b3a271a9SManish Rangankar 1726b3a271a9SManish Rangankar qla_ep = ep->dd_data; 1727b3a271a9SManish Rangankar ha = to_qla_host(qla_ep->host); 1728c343c5e0SVikas Chaudhary DEBUG2(pr_info_ratelimited("%s: host: %ld\n", __func__, ha->host_no)); 1729b3a271a9SManish Rangankar 173013483730SMike Christie if (adapter_up(ha) && !test_bit(AF_BUILD_DDB_LIST, &ha->flags)) 1731b3a271a9SManish Rangankar ret = 1; 1732b3a271a9SManish Rangankar 1733b3a271a9SManish Rangankar return ret; 1734b3a271a9SManish Rangankar } 1735b3a271a9SManish Rangankar 1736b3a271a9SManish Rangankar static void qla4xxx_ep_disconnect(struct iscsi_endpoint *ep) 1737b3a271a9SManish Rangankar { 1738c343c5e0SVikas Chaudhary struct qla_endpoint *qla_ep; 1739c343c5e0SVikas Chaudhary struct scsi_qla_host *ha; 1740c343c5e0SVikas Chaudhary 1741c343c5e0SVikas Chaudhary qla_ep = ep->dd_data; 1742c343c5e0SVikas Chaudhary ha = to_qla_host(qla_ep->host); 1743c343c5e0SVikas Chaudhary DEBUG2(ql4_printk(KERN_INFO, ha, "%s: host: %ld\n", __func__, 1744c343c5e0SVikas Chaudhary ha->host_no)); 1745b3a271a9SManish Rangankar iscsi_destroy_endpoint(ep); 1746b3a271a9SManish Rangankar } 1747b3a271a9SManish Rangankar 1748b3a271a9SManish Rangankar static int qla4xxx_get_ep_param(struct iscsi_endpoint *ep, 1749b3a271a9SManish Rangankar enum iscsi_param param, 1750b3a271a9SManish Rangankar char *buf) 1751b3a271a9SManish Rangankar { 1752b3a271a9SManish Rangankar struct qla_endpoint *qla_ep = ep->dd_data; 1753b3a271a9SManish Rangankar struct sockaddr *dst_addr; 1754c343c5e0SVikas Chaudhary struct scsi_qla_host *ha; 1755b3a271a9SManish Rangankar 175673597bddSAdheer Chandravanshi if (!qla_ep) 175773597bddSAdheer Chandravanshi return -ENOTCONN; 175873597bddSAdheer Chandravanshi 1759c343c5e0SVikas Chaudhary ha = to_qla_host(qla_ep->host); 1760c343c5e0SVikas Chaudhary DEBUG2(ql4_printk(KERN_INFO, ha, "%s: host: %ld\n", __func__, 1761c343c5e0SVikas Chaudhary ha->host_no)); 1762b3a271a9SManish Rangankar 1763b3a271a9SManish Rangankar switch (param) { 1764b3a271a9SManish Rangankar case ISCSI_PARAM_CONN_PORT: 1765b3a271a9SManish Rangankar case ISCSI_PARAM_CONN_ADDRESS: 1766b3a271a9SManish Rangankar dst_addr = (struct sockaddr *)&qla_ep->dst_addr; 1767b3a271a9SManish Rangankar if (!dst_addr) 1768b3a271a9SManish Rangankar return -ENOTCONN; 1769b3a271a9SManish Rangankar 1770b3a271a9SManish Rangankar return iscsi_conn_get_addr_param((struct sockaddr_storage *) 1771b3a271a9SManish Rangankar &qla_ep->dst_addr, param, buf); 1772b3a271a9SManish Rangankar default: 1773b3a271a9SManish Rangankar return -ENOSYS; 1774b3a271a9SManish Rangankar } 1775b3a271a9SManish Rangankar } 1776b3a271a9SManish Rangankar 1777b3a271a9SManish Rangankar static void qla4xxx_conn_get_stats(struct iscsi_cls_conn *cls_conn, 1778b3a271a9SManish Rangankar struct iscsi_stats *stats) 1779b3a271a9SManish Rangankar { 1780b3a271a9SManish Rangankar struct iscsi_session *sess; 1781b3a271a9SManish Rangankar struct iscsi_cls_session *cls_sess; 1782b3a271a9SManish Rangankar struct ddb_entry *ddb_entry; 1783b3a271a9SManish Rangankar struct scsi_qla_host *ha; 1784b3a271a9SManish Rangankar struct ql_iscsi_stats *ql_iscsi_stats; 1785b3a271a9SManish Rangankar int stats_size; 1786b3a271a9SManish Rangankar int ret; 1787b3a271a9SManish Rangankar dma_addr_t iscsi_stats_dma; 1788b3a271a9SManish Rangankar 1789b3a271a9SManish Rangankar cls_sess = iscsi_conn_to_session(cls_conn); 1790b3a271a9SManish Rangankar sess = cls_sess->dd_data; 1791b3a271a9SManish Rangankar ddb_entry = sess->dd_data; 1792b3a271a9SManish Rangankar ha = ddb_entry->ha; 1793b3a271a9SManish Rangankar 1794c343c5e0SVikas Chaudhary DEBUG2(ql4_printk(KERN_INFO, ha, "%s: host: %ld\n", __func__, 1795c343c5e0SVikas Chaudhary ha->host_no)); 1796b3a271a9SManish Rangankar stats_size = PAGE_ALIGN(sizeof(struct ql_iscsi_stats)); 1797b3a271a9SManish Rangankar /* Allocate memory */ 1798b3a271a9SManish Rangankar ql_iscsi_stats = dma_alloc_coherent(&ha->pdev->dev, stats_size, 1799b3a271a9SManish Rangankar &iscsi_stats_dma, GFP_KERNEL); 1800b3a271a9SManish Rangankar if (!ql_iscsi_stats) { 1801b3a271a9SManish Rangankar ql4_printk(KERN_ERR, ha, 1802b3a271a9SManish Rangankar "Unable to allocate memory for iscsi stats\n"); 1803b3a271a9SManish Rangankar goto exit_get_stats; 1804b3a271a9SManish Rangankar } 1805b3a271a9SManish Rangankar 1806b3a271a9SManish Rangankar ret = qla4xxx_get_mgmt_data(ha, ddb_entry->fw_ddb_index, stats_size, 1807b3a271a9SManish Rangankar iscsi_stats_dma); 1808b3a271a9SManish Rangankar if (ret != QLA_SUCCESS) { 1809b3a271a9SManish Rangankar ql4_printk(KERN_ERR, ha, 181059e13d48SMasanari Iida "Unable to retrieve iscsi stats\n"); 1811b3a271a9SManish Rangankar goto free_stats; 1812b3a271a9SManish Rangankar } 1813b3a271a9SManish Rangankar 1814b3a271a9SManish Rangankar /* octets */ 1815b3a271a9SManish Rangankar stats->txdata_octets = le64_to_cpu(ql_iscsi_stats->tx_data_octets); 1816b3a271a9SManish Rangankar stats->rxdata_octets = le64_to_cpu(ql_iscsi_stats->rx_data_octets); 1817b3a271a9SManish Rangankar /* xmit pdus */ 1818b3a271a9SManish Rangankar stats->noptx_pdus = le32_to_cpu(ql_iscsi_stats->tx_nopout_pdus); 1819b3a271a9SManish Rangankar stats->scsicmd_pdus = le32_to_cpu(ql_iscsi_stats->tx_scsi_cmd_pdus); 1820b3a271a9SManish Rangankar stats->tmfcmd_pdus = le32_to_cpu(ql_iscsi_stats->tx_tmf_cmd_pdus); 1821b3a271a9SManish Rangankar stats->login_pdus = le32_to_cpu(ql_iscsi_stats->tx_login_cmd_pdus); 1822b3a271a9SManish Rangankar stats->text_pdus = le32_to_cpu(ql_iscsi_stats->tx_text_cmd_pdus); 1823b3a271a9SManish Rangankar stats->dataout_pdus = le32_to_cpu(ql_iscsi_stats->tx_scsi_write_pdus); 1824b3a271a9SManish Rangankar stats->logout_pdus = le32_to_cpu(ql_iscsi_stats->tx_logout_cmd_pdus); 1825b3a271a9SManish Rangankar stats->snack_pdus = le32_to_cpu(ql_iscsi_stats->tx_snack_req_pdus); 1826b3a271a9SManish Rangankar /* recv pdus */ 1827b3a271a9SManish Rangankar stats->noprx_pdus = le32_to_cpu(ql_iscsi_stats->rx_nopin_pdus); 1828b3a271a9SManish Rangankar stats->scsirsp_pdus = le32_to_cpu(ql_iscsi_stats->rx_scsi_resp_pdus); 1829b3a271a9SManish Rangankar stats->tmfrsp_pdus = le32_to_cpu(ql_iscsi_stats->rx_tmf_resp_pdus); 1830b3a271a9SManish Rangankar stats->textrsp_pdus = le32_to_cpu(ql_iscsi_stats->rx_text_resp_pdus); 1831b3a271a9SManish Rangankar stats->datain_pdus = le32_to_cpu(ql_iscsi_stats->rx_scsi_read_pdus); 1832b3a271a9SManish Rangankar stats->logoutrsp_pdus = 1833b3a271a9SManish Rangankar le32_to_cpu(ql_iscsi_stats->rx_logout_resp_pdus); 1834b3a271a9SManish Rangankar stats->r2t_pdus = le32_to_cpu(ql_iscsi_stats->rx_r2t_pdus); 1835b3a271a9SManish Rangankar stats->async_pdus = le32_to_cpu(ql_iscsi_stats->rx_async_pdus); 1836b3a271a9SManish Rangankar stats->rjt_pdus = le32_to_cpu(ql_iscsi_stats->rx_reject_pdus); 1837b3a271a9SManish Rangankar 1838b3a271a9SManish Rangankar free_stats: 1839b3a271a9SManish Rangankar dma_free_coherent(&ha->pdev->dev, stats_size, ql_iscsi_stats, 1840b3a271a9SManish Rangankar iscsi_stats_dma); 1841b3a271a9SManish Rangankar exit_get_stats: 1842b3a271a9SManish Rangankar return; 1843b3a271a9SManish Rangankar } 1844b3a271a9SManish Rangankar 18455c656af7SMike Christie static enum blk_eh_timer_return qla4xxx_eh_cmd_timed_out(struct scsi_cmnd *sc) 18465c656af7SMike Christie { 18475c656af7SMike Christie struct iscsi_cls_session *session; 1848b3a271a9SManish Rangankar struct iscsi_session *sess; 1849b3a271a9SManish Rangankar unsigned long flags; 18506600593cSChristoph Hellwig enum blk_eh_timer_return ret = BLK_EH_DONE; 18515c656af7SMike Christie 18525c656af7SMike Christie session = starget_to_session(scsi_target(sc->device)); 1853b3a271a9SManish Rangankar sess = session->dd_data; 18545c656af7SMike Christie 1855b3a271a9SManish Rangankar spin_lock_irqsave(&session->lock, flags); 1856b3a271a9SManish Rangankar if (session->state == ISCSI_SESSION_FAILED) 1857b3a271a9SManish Rangankar ret = BLK_EH_RESET_TIMER; 1858b3a271a9SManish Rangankar spin_unlock_irqrestore(&session->lock, flags); 18595c656af7SMike Christie 1860b3a271a9SManish Rangankar return ret; 1861568d303bSMike Christie } 1862afaf5a2dSDavid Somayajulu 18633254dbe9SVikas Chaudhary static void qla4xxx_set_port_speed(struct Scsi_Host *shost) 18643254dbe9SVikas Chaudhary { 18653254dbe9SVikas Chaudhary struct scsi_qla_host *ha = to_qla_host(shost); 1866e16d166eSVikas Chaudhary struct iscsi_cls_host *ihost = shost->shost_data; 18673254dbe9SVikas Chaudhary uint32_t speed = ISCSI_PORT_SPEED_UNKNOWN; 18683254dbe9SVikas Chaudhary 18693254dbe9SVikas Chaudhary qla4xxx_get_firmware_state(ha); 18703254dbe9SVikas Chaudhary 18713254dbe9SVikas Chaudhary switch (ha->addl_fw_state & 0x0F00) { 18723254dbe9SVikas Chaudhary case FW_ADDSTATE_LINK_SPEED_10MBPS: 18733254dbe9SVikas Chaudhary speed = ISCSI_PORT_SPEED_10MBPS; 18743254dbe9SVikas Chaudhary break; 18753254dbe9SVikas Chaudhary case FW_ADDSTATE_LINK_SPEED_100MBPS: 18763254dbe9SVikas Chaudhary speed = ISCSI_PORT_SPEED_100MBPS; 18773254dbe9SVikas Chaudhary break; 18783254dbe9SVikas Chaudhary case FW_ADDSTATE_LINK_SPEED_1GBPS: 18793254dbe9SVikas Chaudhary speed = ISCSI_PORT_SPEED_1GBPS; 18803254dbe9SVikas Chaudhary break; 18813254dbe9SVikas Chaudhary case FW_ADDSTATE_LINK_SPEED_10GBPS: 18823254dbe9SVikas Chaudhary speed = ISCSI_PORT_SPEED_10GBPS; 18833254dbe9SVikas Chaudhary break; 18843254dbe9SVikas Chaudhary } 18853254dbe9SVikas Chaudhary ihost->port_speed = speed; 18863254dbe9SVikas Chaudhary } 18873254dbe9SVikas Chaudhary 18883254dbe9SVikas Chaudhary static void qla4xxx_set_port_state(struct Scsi_Host *shost) 18893254dbe9SVikas Chaudhary { 18903254dbe9SVikas Chaudhary struct scsi_qla_host *ha = to_qla_host(shost); 1891e16d166eSVikas Chaudhary struct iscsi_cls_host *ihost = shost->shost_data; 18923254dbe9SVikas Chaudhary uint32_t state = ISCSI_PORT_STATE_DOWN; 18933254dbe9SVikas Chaudhary 18943254dbe9SVikas Chaudhary if (test_bit(AF_LINK_UP, &ha->flags)) 18953254dbe9SVikas Chaudhary state = ISCSI_PORT_STATE_UP; 18963254dbe9SVikas Chaudhary 18973254dbe9SVikas Chaudhary ihost->port_state = state; 18983254dbe9SVikas Chaudhary } 18993254dbe9SVikas Chaudhary 1900aa1e93a2SMike Christie static int qla4xxx_host_get_param(struct Scsi_Host *shost, 1901aa1e93a2SMike Christie enum iscsi_host_param param, char *buf) 1902aa1e93a2SMike Christie { 1903aa1e93a2SMike Christie struct scsi_qla_host *ha = to_qla_host(shost); 1904aa1e93a2SMike Christie int len; 1905aa1e93a2SMike Christie 1906aa1e93a2SMike Christie switch (param) { 1907aa1e93a2SMike Christie case ISCSI_HOST_PARAM_HWADDRESS: 19087ffc49a6SMichael Chan len = sysfs_format_mac(buf, ha->my_mac, MAC_ADDR_LEN); 1909aa1e93a2SMike Christie break; 191022236961SMike Christie case ISCSI_HOST_PARAM_IPADDRESS: 19112bab08fcSVikas Chaudhary len = sprintf(buf, "%pI4\n", &ha->ip_config.ip_address); 191222236961SMike Christie break; 19138ad5781aSMike Christie case ISCSI_HOST_PARAM_INITIATOR_NAME: 191422236961SMike Christie len = sprintf(buf, "%s\n", ha->name_string); 19158ad5781aSMike Christie break; 19163254dbe9SVikas Chaudhary case ISCSI_HOST_PARAM_PORT_STATE: 19173254dbe9SVikas Chaudhary qla4xxx_set_port_state(shost); 19183254dbe9SVikas Chaudhary len = sprintf(buf, "%s\n", iscsi_get_port_state_name(shost)); 19193254dbe9SVikas Chaudhary break; 19203254dbe9SVikas Chaudhary case ISCSI_HOST_PARAM_PORT_SPEED: 19213254dbe9SVikas Chaudhary qla4xxx_set_port_speed(shost); 19223254dbe9SVikas Chaudhary len = sprintf(buf, "%s\n", iscsi_get_port_speed_name(shost)); 19233254dbe9SVikas Chaudhary break; 1924aa1e93a2SMike Christie default: 1925aa1e93a2SMike Christie return -ENOSYS; 1926aa1e93a2SMike Christie } 1927aa1e93a2SMike Christie 1928aa1e93a2SMike Christie return len; 1929aa1e93a2SMike Christie } 1930aa1e93a2SMike Christie 1931ed1086e0SVikas Chaudhary static void qla4xxx_create_ipv4_iface(struct scsi_qla_host *ha) 1932ed1086e0SVikas Chaudhary { 1933ed1086e0SVikas Chaudhary if (ha->iface_ipv4) 1934ed1086e0SVikas Chaudhary return; 1935ed1086e0SVikas Chaudhary 1936ed1086e0SVikas Chaudhary /* IPv4 */ 1937ed1086e0SVikas Chaudhary ha->iface_ipv4 = iscsi_create_iface(ha->host, 1938ed1086e0SVikas Chaudhary &qla4xxx_iscsi_transport, 1939ed1086e0SVikas Chaudhary ISCSI_IFACE_TYPE_IPV4, 0, 0); 1940ed1086e0SVikas Chaudhary if (!ha->iface_ipv4) 1941ed1086e0SVikas Chaudhary ql4_printk(KERN_ERR, ha, "Could not create IPv4 iSCSI " 1942ed1086e0SVikas Chaudhary "iface0.\n"); 1943ed1086e0SVikas Chaudhary } 1944ed1086e0SVikas Chaudhary 1945ed1086e0SVikas Chaudhary static void qla4xxx_create_ipv6_iface(struct scsi_qla_host *ha) 1946ed1086e0SVikas Chaudhary { 1947ed1086e0SVikas Chaudhary if (!ha->iface_ipv6_0) 1948ed1086e0SVikas Chaudhary /* IPv6 iface-0 */ 1949ed1086e0SVikas Chaudhary ha->iface_ipv6_0 = iscsi_create_iface(ha->host, 1950ed1086e0SVikas Chaudhary &qla4xxx_iscsi_transport, 1951ed1086e0SVikas Chaudhary ISCSI_IFACE_TYPE_IPV6, 0, 1952ed1086e0SVikas Chaudhary 0); 1953ed1086e0SVikas Chaudhary if (!ha->iface_ipv6_0) 1954ed1086e0SVikas Chaudhary ql4_printk(KERN_ERR, ha, "Could not create IPv6 iSCSI " 1955ed1086e0SVikas Chaudhary "iface0.\n"); 1956ed1086e0SVikas Chaudhary 1957ed1086e0SVikas Chaudhary if (!ha->iface_ipv6_1) 1958ed1086e0SVikas Chaudhary /* IPv6 iface-1 */ 1959ed1086e0SVikas Chaudhary ha->iface_ipv6_1 = iscsi_create_iface(ha->host, 1960ed1086e0SVikas Chaudhary &qla4xxx_iscsi_transport, 1961ed1086e0SVikas Chaudhary ISCSI_IFACE_TYPE_IPV6, 1, 1962ed1086e0SVikas Chaudhary 0); 1963ed1086e0SVikas Chaudhary if (!ha->iface_ipv6_1) 1964ed1086e0SVikas Chaudhary ql4_printk(KERN_ERR, ha, "Could not create IPv6 iSCSI " 1965ed1086e0SVikas Chaudhary "iface1.\n"); 1966ed1086e0SVikas Chaudhary } 1967ed1086e0SVikas Chaudhary 1968ed1086e0SVikas Chaudhary static void qla4xxx_create_ifaces(struct scsi_qla_host *ha) 1969ed1086e0SVikas Chaudhary { 1970ed1086e0SVikas Chaudhary if (ha->ip_config.ipv4_options & IPOPT_IPV4_PROTOCOL_ENABLE) 1971ed1086e0SVikas Chaudhary qla4xxx_create_ipv4_iface(ha); 1972ed1086e0SVikas Chaudhary 1973ed1086e0SVikas Chaudhary if (ha->ip_config.ipv6_options & IPV6_OPT_IPV6_PROTOCOL_ENABLE) 1974ed1086e0SVikas Chaudhary qla4xxx_create_ipv6_iface(ha); 1975ed1086e0SVikas Chaudhary } 1976ed1086e0SVikas Chaudhary 1977ed1086e0SVikas Chaudhary static void qla4xxx_destroy_ipv4_iface(struct scsi_qla_host *ha) 1978ed1086e0SVikas Chaudhary { 1979ed1086e0SVikas Chaudhary if (ha->iface_ipv4) { 1980ed1086e0SVikas Chaudhary iscsi_destroy_iface(ha->iface_ipv4); 1981ed1086e0SVikas Chaudhary ha->iface_ipv4 = NULL; 1982ed1086e0SVikas Chaudhary } 1983ed1086e0SVikas Chaudhary } 1984ed1086e0SVikas Chaudhary 1985ed1086e0SVikas Chaudhary static void qla4xxx_destroy_ipv6_iface(struct scsi_qla_host *ha) 1986ed1086e0SVikas Chaudhary { 1987ed1086e0SVikas Chaudhary if (ha->iface_ipv6_0) { 1988ed1086e0SVikas Chaudhary iscsi_destroy_iface(ha->iface_ipv6_0); 1989ed1086e0SVikas Chaudhary ha->iface_ipv6_0 = NULL; 1990ed1086e0SVikas Chaudhary } 1991ed1086e0SVikas Chaudhary if (ha->iface_ipv6_1) { 1992ed1086e0SVikas Chaudhary iscsi_destroy_iface(ha->iface_ipv6_1); 1993ed1086e0SVikas Chaudhary ha->iface_ipv6_1 = NULL; 1994ed1086e0SVikas Chaudhary } 1995ed1086e0SVikas Chaudhary } 1996ed1086e0SVikas Chaudhary 1997ed1086e0SVikas Chaudhary static void qla4xxx_destroy_ifaces(struct scsi_qla_host *ha) 1998ed1086e0SVikas Chaudhary { 1999ed1086e0SVikas Chaudhary qla4xxx_destroy_ipv4_iface(ha); 2000ed1086e0SVikas Chaudhary qla4xxx_destroy_ipv6_iface(ha); 2001ed1086e0SVikas Chaudhary } 2002ed1086e0SVikas Chaudhary 2003d00efe3fSMike Christie static void qla4xxx_set_ipv6(struct scsi_qla_host *ha, 2004d00efe3fSMike Christie struct iscsi_iface_param_info *iface_param, 2005d00efe3fSMike Christie struct addr_ctrl_blk *init_fw_cb) 2006d00efe3fSMike Christie { 2007d00efe3fSMike Christie /* 2008d00efe3fSMike Christie * iface_num 0 is valid for IPv6 Addr, linklocal, router, autocfg. 2009d00efe3fSMike Christie * iface_num 1 is valid only for IPv6 Addr. 2010d00efe3fSMike Christie */ 2011d00efe3fSMike Christie switch (iface_param->param) { 2012d00efe3fSMike Christie case ISCSI_NET_PARAM_IPV6_ADDR: 2013d00efe3fSMike Christie if (iface_param->iface_num & 0x1) 2014d00efe3fSMike Christie /* IPv6 Addr 1 */ 2015d00efe3fSMike Christie memcpy(init_fw_cb->ipv6_addr1, iface_param->value, 2016d00efe3fSMike Christie sizeof(init_fw_cb->ipv6_addr1)); 2017d00efe3fSMike Christie else 2018d00efe3fSMike Christie /* IPv6 Addr 0 */ 2019d00efe3fSMike Christie memcpy(init_fw_cb->ipv6_addr0, iface_param->value, 2020d00efe3fSMike Christie sizeof(init_fw_cb->ipv6_addr0)); 2021d00efe3fSMike Christie break; 2022d00efe3fSMike Christie case ISCSI_NET_PARAM_IPV6_LINKLOCAL: 2023d00efe3fSMike Christie if (iface_param->iface_num & 0x1) 2024d00efe3fSMike Christie break; 2025d00efe3fSMike Christie memcpy(init_fw_cb->ipv6_if_id, &iface_param->value[8], 2026d00efe3fSMike Christie sizeof(init_fw_cb->ipv6_if_id)); 2027d00efe3fSMike Christie break; 2028d00efe3fSMike Christie case ISCSI_NET_PARAM_IPV6_ROUTER: 2029d00efe3fSMike Christie if (iface_param->iface_num & 0x1) 2030d00efe3fSMike Christie break; 2031d00efe3fSMike Christie memcpy(init_fw_cb->ipv6_dflt_rtr_addr, iface_param->value, 2032d00efe3fSMike Christie sizeof(init_fw_cb->ipv6_dflt_rtr_addr)); 2033d00efe3fSMike Christie break; 2034d00efe3fSMike Christie case ISCSI_NET_PARAM_IPV6_ADDR_AUTOCFG: 2035d00efe3fSMike Christie /* Autocfg applies to even interface */ 2036d00efe3fSMike Christie if (iface_param->iface_num & 0x1) 2037d00efe3fSMike Christie break; 2038d00efe3fSMike Christie 2039d00efe3fSMike Christie if (iface_param->value[0] == ISCSI_IPV6_AUTOCFG_DISABLE) 2040d00efe3fSMike Christie init_fw_cb->ipv6_addtl_opts &= 2041d00efe3fSMike Christie cpu_to_le16( 2042d00efe3fSMike Christie ~IPV6_ADDOPT_NEIGHBOR_DISCOVERY_ADDR_ENABLE); 2043d00efe3fSMike Christie else if (iface_param->value[0] == ISCSI_IPV6_AUTOCFG_ND_ENABLE) 2044d00efe3fSMike Christie init_fw_cb->ipv6_addtl_opts |= 2045d00efe3fSMike Christie cpu_to_le16( 2046d00efe3fSMike Christie IPV6_ADDOPT_NEIGHBOR_DISCOVERY_ADDR_ENABLE); 2047d00efe3fSMike Christie else 2048f8e93412SHarish Zunjarrao ql4_printk(KERN_ERR, ha, 2049f8e93412SHarish Zunjarrao "Invalid autocfg setting for IPv6 addr\n"); 2050d00efe3fSMike Christie break; 2051d00efe3fSMike Christie case ISCSI_NET_PARAM_IPV6_LINKLOCAL_AUTOCFG: 2052d00efe3fSMike Christie /* Autocfg applies to even interface */ 2053d00efe3fSMike Christie if (iface_param->iface_num & 0x1) 2054d00efe3fSMike Christie break; 2055d00efe3fSMike Christie 2056d00efe3fSMike Christie if (iface_param->value[0] == 2057d00efe3fSMike Christie ISCSI_IPV6_LINKLOCAL_AUTOCFG_ENABLE) 2058d00efe3fSMike Christie init_fw_cb->ipv6_addtl_opts |= cpu_to_le16( 2059d00efe3fSMike Christie IPV6_ADDOPT_AUTOCONFIG_LINK_LOCAL_ADDR); 2060d00efe3fSMike Christie else if (iface_param->value[0] == 2061d00efe3fSMike Christie ISCSI_IPV6_LINKLOCAL_AUTOCFG_DISABLE) 2062d00efe3fSMike Christie init_fw_cb->ipv6_addtl_opts &= cpu_to_le16( 2063d00efe3fSMike Christie ~IPV6_ADDOPT_AUTOCONFIG_LINK_LOCAL_ADDR); 2064d00efe3fSMike Christie else 2065f8e93412SHarish Zunjarrao ql4_printk(KERN_ERR, ha, 2066f8e93412SHarish Zunjarrao "Invalid autocfg setting for IPv6 linklocal addr\n"); 2067d00efe3fSMike Christie break; 2068d00efe3fSMike Christie case ISCSI_NET_PARAM_IPV6_ROUTER_AUTOCFG: 2069d00efe3fSMike Christie /* Autocfg applies to even interface */ 2070d00efe3fSMike Christie if (iface_param->iface_num & 0x1) 2071d00efe3fSMike Christie break; 2072d00efe3fSMike Christie 2073d00efe3fSMike Christie if (iface_param->value[0] == ISCSI_IPV6_ROUTER_AUTOCFG_ENABLE) 2074d00efe3fSMike Christie memset(init_fw_cb->ipv6_dflt_rtr_addr, 0, 2075d00efe3fSMike Christie sizeof(init_fw_cb->ipv6_dflt_rtr_addr)); 2076d00efe3fSMike Christie break; 2077d00efe3fSMike Christie case ISCSI_NET_PARAM_IFACE_ENABLE: 2078ed1086e0SVikas Chaudhary if (iface_param->value[0] == ISCSI_IFACE_ENABLE) { 2079d00efe3fSMike Christie init_fw_cb->ipv6_opts |= 2080d00efe3fSMike Christie cpu_to_le16(IPV6_OPT_IPV6_PROTOCOL_ENABLE); 2081ed1086e0SVikas Chaudhary qla4xxx_create_ipv6_iface(ha); 2082ed1086e0SVikas Chaudhary } else { 2083d00efe3fSMike Christie init_fw_cb->ipv6_opts &= 2084d00efe3fSMike Christie cpu_to_le16(~IPV6_OPT_IPV6_PROTOCOL_ENABLE & 2085d00efe3fSMike Christie 0xFFFF); 2086ed1086e0SVikas Chaudhary qla4xxx_destroy_ipv6_iface(ha); 2087ed1086e0SVikas Chaudhary } 2088d00efe3fSMike Christie break; 20892d63673bSMike Christie case ISCSI_NET_PARAM_VLAN_TAG: 2090d00efe3fSMike Christie if (iface_param->len != sizeof(init_fw_cb->ipv6_vlan_tag)) 2091d00efe3fSMike Christie break; 20926ac73e8cSVikas Chaudhary init_fw_cb->ipv6_vlan_tag = 20936ac73e8cSVikas Chaudhary cpu_to_be16(*(uint16_t *)iface_param->value); 20946ac73e8cSVikas Chaudhary break; 20956ac73e8cSVikas Chaudhary case ISCSI_NET_PARAM_VLAN_ENABLED: 20966ac73e8cSVikas Chaudhary if (iface_param->value[0] == ISCSI_VLAN_ENABLE) 20976ac73e8cSVikas Chaudhary init_fw_cb->ipv6_opts |= 20986ac73e8cSVikas Chaudhary cpu_to_le16(IPV6_OPT_VLAN_TAGGING_ENABLE); 20996ac73e8cSVikas Chaudhary else 21006ac73e8cSVikas Chaudhary init_fw_cb->ipv6_opts &= 21016ac73e8cSVikas Chaudhary cpu_to_le16(~IPV6_OPT_VLAN_TAGGING_ENABLE); 2102d00efe3fSMike Christie break; 2103943c157bSVikas Chaudhary case ISCSI_NET_PARAM_MTU: 2104943c157bSVikas Chaudhary init_fw_cb->eth_mtu_size = 2105943c157bSVikas Chaudhary cpu_to_le16(*(uint16_t *)iface_param->value); 2106943c157bSVikas Chaudhary break; 21072ada7fc5SVikas Chaudhary case ISCSI_NET_PARAM_PORT: 21082ada7fc5SVikas Chaudhary /* Autocfg applies to even interface */ 21092ada7fc5SVikas Chaudhary if (iface_param->iface_num & 0x1) 21102ada7fc5SVikas Chaudhary break; 21112ada7fc5SVikas Chaudhary 21122ada7fc5SVikas Chaudhary init_fw_cb->ipv6_port = 21132ada7fc5SVikas Chaudhary cpu_to_le16(*(uint16_t *)iface_param->value); 21142ada7fc5SVikas Chaudhary break; 2115f8e93412SHarish Zunjarrao case ISCSI_NET_PARAM_DELAYED_ACK_EN: 2116f8e93412SHarish Zunjarrao if (iface_param->iface_num & 0x1) 2117f8e93412SHarish Zunjarrao break; 2118f8e93412SHarish Zunjarrao if (iface_param->value[0] == ISCSI_NET_PARAM_DISABLE) 2119f8e93412SHarish Zunjarrao init_fw_cb->ipv6_tcp_opts |= 2120f8e93412SHarish Zunjarrao cpu_to_le16(IPV6_TCPOPT_DELAYED_ACK_DISABLE); 2121f8e93412SHarish Zunjarrao else 2122f8e93412SHarish Zunjarrao init_fw_cb->ipv6_tcp_opts &= 21238f10872aSVikas Chaudhary cpu_to_le16(~IPV6_TCPOPT_DELAYED_ACK_DISABLE & 21248f10872aSVikas Chaudhary 0xFFFF); 2125f8e93412SHarish Zunjarrao break; 2126f8e93412SHarish Zunjarrao case ISCSI_NET_PARAM_TCP_NAGLE_DISABLE: 2127f8e93412SHarish Zunjarrao if (iface_param->iface_num & 0x1) 2128f8e93412SHarish Zunjarrao break; 2129f8e93412SHarish Zunjarrao if (iface_param->value[0] == ISCSI_NET_PARAM_DISABLE) 2130f8e93412SHarish Zunjarrao init_fw_cb->ipv6_tcp_opts |= 2131f8e93412SHarish Zunjarrao cpu_to_le16(IPV6_TCPOPT_NAGLE_ALGO_DISABLE); 2132f8e93412SHarish Zunjarrao else 2133f8e93412SHarish Zunjarrao init_fw_cb->ipv6_tcp_opts &= 2134f8e93412SHarish Zunjarrao cpu_to_le16(~IPV6_TCPOPT_NAGLE_ALGO_DISABLE); 2135f8e93412SHarish Zunjarrao break; 2136f8e93412SHarish Zunjarrao case ISCSI_NET_PARAM_TCP_WSF_DISABLE: 2137f8e93412SHarish Zunjarrao if (iface_param->iface_num & 0x1) 2138f8e93412SHarish Zunjarrao break; 2139f8e93412SHarish Zunjarrao if (iface_param->value[0] == ISCSI_NET_PARAM_DISABLE) 2140f8e93412SHarish Zunjarrao init_fw_cb->ipv6_tcp_opts |= 2141f8e93412SHarish Zunjarrao cpu_to_le16(IPV6_TCPOPT_WINDOW_SCALE_DISABLE); 2142f8e93412SHarish Zunjarrao else 2143f8e93412SHarish Zunjarrao init_fw_cb->ipv6_tcp_opts &= 2144f8e93412SHarish Zunjarrao cpu_to_le16(~IPV6_TCPOPT_WINDOW_SCALE_DISABLE); 2145f8e93412SHarish Zunjarrao break; 2146f8e93412SHarish Zunjarrao case ISCSI_NET_PARAM_TCP_WSF: 2147f8e93412SHarish Zunjarrao if (iface_param->iface_num & 0x1) 2148f8e93412SHarish Zunjarrao break; 2149f8e93412SHarish Zunjarrao init_fw_cb->ipv6_tcp_wsf = iface_param->value[0]; 2150f8e93412SHarish Zunjarrao break; 2151f8e93412SHarish Zunjarrao case ISCSI_NET_PARAM_TCP_TIMER_SCALE: 2152f8e93412SHarish Zunjarrao if (iface_param->iface_num & 0x1) 2153f8e93412SHarish Zunjarrao break; 2154f8e93412SHarish Zunjarrao init_fw_cb->ipv6_tcp_opts &= 2155f8e93412SHarish Zunjarrao cpu_to_le16(~IPV6_TCPOPT_TIMER_SCALE); 2156f8e93412SHarish Zunjarrao init_fw_cb->ipv6_tcp_opts |= 2157f8e93412SHarish Zunjarrao cpu_to_le16((iface_param->value[0] << 1) & 2158f8e93412SHarish Zunjarrao IPV6_TCPOPT_TIMER_SCALE); 2159f8e93412SHarish Zunjarrao break; 2160f8e93412SHarish Zunjarrao case ISCSI_NET_PARAM_TCP_TIMESTAMP_EN: 2161f8e93412SHarish Zunjarrao if (iface_param->iface_num & 0x1) 2162f8e93412SHarish Zunjarrao break; 2163f8e93412SHarish Zunjarrao if (iface_param->value[0] == ISCSI_NET_PARAM_ENABLE) 2164f8e93412SHarish Zunjarrao init_fw_cb->ipv6_tcp_opts |= 2165f8e93412SHarish Zunjarrao cpu_to_le16(IPV6_TCPOPT_TIMESTAMP_EN); 2166f8e93412SHarish Zunjarrao else 2167f8e93412SHarish Zunjarrao init_fw_cb->ipv6_tcp_opts &= 2168f8e93412SHarish Zunjarrao cpu_to_le16(~IPV6_TCPOPT_TIMESTAMP_EN); 2169f8e93412SHarish Zunjarrao break; 2170f8e93412SHarish Zunjarrao case ISCSI_NET_PARAM_IPV6_GRAT_NEIGHBOR_ADV_EN: 2171f8e93412SHarish Zunjarrao if (iface_param->iface_num & 0x1) 2172f8e93412SHarish Zunjarrao break; 2173f8e93412SHarish Zunjarrao if (iface_param->value[0] == ISCSI_NET_PARAM_ENABLE) 2174f8e93412SHarish Zunjarrao init_fw_cb->ipv6_opts |= 2175f8e93412SHarish Zunjarrao cpu_to_le16(IPV6_OPT_GRAT_NEIGHBOR_ADV_EN); 2176f8e93412SHarish Zunjarrao else 2177f8e93412SHarish Zunjarrao init_fw_cb->ipv6_opts &= 2178f8e93412SHarish Zunjarrao cpu_to_le16(~IPV6_OPT_GRAT_NEIGHBOR_ADV_EN); 2179f8e93412SHarish Zunjarrao break; 2180f8e93412SHarish Zunjarrao case ISCSI_NET_PARAM_REDIRECT_EN: 2181f8e93412SHarish Zunjarrao if (iface_param->iface_num & 0x1) 2182f8e93412SHarish Zunjarrao break; 2183f8e93412SHarish Zunjarrao if (iface_param->value[0] == ISCSI_NET_PARAM_ENABLE) 2184f8e93412SHarish Zunjarrao init_fw_cb->ipv6_opts |= 2185f8e93412SHarish Zunjarrao cpu_to_le16(IPV6_OPT_REDIRECT_EN); 2186f8e93412SHarish Zunjarrao else 2187f8e93412SHarish Zunjarrao init_fw_cb->ipv6_opts &= 2188f8e93412SHarish Zunjarrao cpu_to_le16(~IPV6_OPT_REDIRECT_EN); 2189f8e93412SHarish Zunjarrao break; 2190f8e93412SHarish Zunjarrao case ISCSI_NET_PARAM_IPV6_MLD_EN: 2191f8e93412SHarish Zunjarrao if (iface_param->iface_num & 0x1) 2192f8e93412SHarish Zunjarrao break; 2193f8e93412SHarish Zunjarrao if (iface_param->value[0] == ISCSI_NET_PARAM_ENABLE) 2194f8e93412SHarish Zunjarrao init_fw_cb->ipv6_addtl_opts |= 2195f8e93412SHarish Zunjarrao cpu_to_le16(IPV6_ADDOPT_MLD_EN); 2196f8e93412SHarish Zunjarrao else 2197f8e93412SHarish Zunjarrao init_fw_cb->ipv6_addtl_opts &= 2198f8e93412SHarish Zunjarrao cpu_to_le16(~IPV6_ADDOPT_MLD_EN); 2199f8e93412SHarish Zunjarrao break; 2200f8e93412SHarish Zunjarrao case ISCSI_NET_PARAM_IPV6_FLOW_LABEL: 2201f8e93412SHarish Zunjarrao if (iface_param->iface_num & 0x1) 2202f8e93412SHarish Zunjarrao break; 2203f8e93412SHarish Zunjarrao init_fw_cb->ipv6_flow_lbl = 2204f8e93412SHarish Zunjarrao cpu_to_le16(*(uint16_t *)iface_param->value); 2205f8e93412SHarish Zunjarrao break; 2206f8e93412SHarish Zunjarrao case ISCSI_NET_PARAM_IPV6_TRAFFIC_CLASS: 2207f8e93412SHarish Zunjarrao if (iface_param->iface_num & 0x1) 2208f8e93412SHarish Zunjarrao break; 2209f8e93412SHarish Zunjarrao init_fw_cb->ipv6_traffic_class = iface_param->value[0]; 2210f8e93412SHarish Zunjarrao break; 2211f8e93412SHarish Zunjarrao case ISCSI_NET_PARAM_IPV6_HOP_LIMIT: 2212f8e93412SHarish Zunjarrao if (iface_param->iface_num & 0x1) 2213f8e93412SHarish Zunjarrao break; 2214f8e93412SHarish Zunjarrao init_fw_cb->ipv6_hop_limit = iface_param->value[0]; 2215f8e93412SHarish Zunjarrao break; 2216f8e93412SHarish Zunjarrao case ISCSI_NET_PARAM_IPV6_ND_REACHABLE_TMO: 2217f8e93412SHarish Zunjarrao if (iface_param->iface_num & 0x1) 2218f8e93412SHarish Zunjarrao break; 2219f8e93412SHarish Zunjarrao init_fw_cb->ipv6_nd_reach_time = 2220f8e93412SHarish Zunjarrao cpu_to_le32(*(uint32_t *)iface_param->value); 2221f8e93412SHarish Zunjarrao break; 2222f8e93412SHarish Zunjarrao case ISCSI_NET_PARAM_IPV6_ND_REXMIT_TIME: 2223f8e93412SHarish Zunjarrao if (iface_param->iface_num & 0x1) 2224f8e93412SHarish Zunjarrao break; 2225f8e93412SHarish Zunjarrao init_fw_cb->ipv6_nd_rexmit_timer = 2226f8e93412SHarish Zunjarrao cpu_to_le32(*(uint32_t *)iface_param->value); 2227f8e93412SHarish Zunjarrao break; 2228f8e93412SHarish Zunjarrao case ISCSI_NET_PARAM_IPV6_ND_STALE_TMO: 2229f8e93412SHarish Zunjarrao if (iface_param->iface_num & 0x1) 2230f8e93412SHarish Zunjarrao break; 2231f8e93412SHarish Zunjarrao init_fw_cb->ipv6_nd_stale_timeout = 2232f8e93412SHarish Zunjarrao cpu_to_le32(*(uint32_t *)iface_param->value); 2233f8e93412SHarish Zunjarrao break; 2234f8e93412SHarish Zunjarrao case ISCSI_NET_PARAM_IPV6_DUP_ADDR_DETECT_CNT: 2235f8e93412SHarish Zunjarrao if (iface_param->iface_num & 0x1) 2236f8e93412SHarish Zunjarrao break; 2237f8e93412SHarish Zunjarrao init_fw_cb->ipv6_dup_addr_detect_count = iface_param->value[0]; 2238f8e93412SHarish Zunjarrao break; 2239f8e93412SHarish Zunjarrao case ISCSI_NET_PARAM_IPV6_RTR_ADV_LINK_MTU: 2240f8e93412SHarish Zunjarrao if (iface_param->iface_num & 0x1) 2241f8e93412SHarish Zunjarrao break; 2242f8e93412SHarish Zunjarrao init_fw_cb->ipv6_gw_advrt_mtu = 2243f8e93412SHarish Zunjarrao cpu_to_le32(*(uint32_t *)iface_param->value); 2244f8e93412SHarish Zunjarrao break; 2245d00efe3fSMike Christie default: 2246d00efe3fSMike Christie ql4_printk(KERN_ERR, ha, "Unknown IPv6 param = %d\n", 2247d00efe3fSMike Christie iface_param->param); 2248d00efe3fSMike Christie break; 2249d00efe3fSMike Christie } 2250d00efe3fSMike Christie } 2251d00efe3fSMike Christie 2252d00efe3fSMike Christie static void qla4xxx_set_ipv4(struct scsi_qla_host *ha, 2253d00efe3fSMike Christie struct iscsi_iface_param_info *iface_param, 2254d00efe3fSMike Christie struct addr_ctrl_blk *init_fw_cb) 2255d00efe3fSMike Christie { 2256d00efe3fSMike Christie switch (iface_param->param) { 2257d00efe3fSMike Christie case ISCSI_NET_PARAM_IPV4_ADDR: 2258d00efe3fSMike Christie memcpy(init_fw_cb->ipv4_addr, iface_param->value, 2259d00efe3fSMike Christie sizeof(init_fw_cb->ipv4_addr)); 2260d00efe3fSMike Christie break; 2261d00efe3fSMike Christie case ISCSI_NET_PARAM_IPV4_SUBNET: 2262d00efe3fSMike Christie memcpy(init_fw_cb->ipv4_subnet, iface_param->value, 2263d00efe3fSMike Christie sizeof(init_fw_cb->ipv4_subnet)); 2264d00efe3fSMike Christie break; 2265d00efe3fSMike Christie case ISCSI_NET_PARAM_IPV4_GW: 2266d00efe3fSMike Christie memcpy(init_fw_cb->ipv4_gw_addr, iface_param->value, 2267d00efe3fSMike Christie sizeof(init_fw_cb->ipv4_gw_addr)); 2268d00efe3fSMike Christie break; 2269d00efe3fSMike Christie case ISCSI_NET_PARAM_IPV4_BOOTPROTO: 2270d00efe3fSMike Christie if (iface_param->value[0] == ISCSI_BOOTPROTO_DHCP) 2271d00efe3fSMike Christie init_fw_cb->ipv4_tcp_opts |= 2272d00efe3fSMike Christie cpu_to_le16(TCPOPT_DHCP_ENABLE); 2273d00efe3fSMike Christie else if (iface_param->value[0] == ISCSI_BOOTPROTO_STATIC) 2274d00efe3fSMike Christie init_fw_cb->ipv4_tcp_opts &= 2275d00efe3fSMike Christie cpu_to_le16(~TCPOPT_DHCP_ENABLE); 2276d00efe3fSMike Christie else 2277d00efe3fSMike Christie ql4_printk(KERN_ERR, ha, "Invalid IPv4 bootproto\n"); 2278d00efe3fSMike Christie break; 2279d00efe3fSMike Christie case ISCSI_NET_PARAM_IFACE_ENABLE: 2280ed1086e0SVikas Chaudhary if (iface_param->value[0] == ISCSI_IFACE_ENABLE) { 2281d00efe3fSMike Christie init_fw_cb->ipv4_ip_opts |= 22822bab08fcSVikas Chaudhary cpu_to_le16(IPOPT_IPV4_PROTOCOL_ENABLE); 2283ed1086e0SVikas Chaudhary qla4xxx_create_ipv4_iface(ha); 2284ed1086e0SVikas Chaudhary } else { 2285d00efe3fSMike Christie init_fw_cb->ipv4_ip_opts &= 22862bab08fcSVikas Chaudhary cpu_to_le16(~IPOPT_IPV4_PROTOCOL_ENABLE & 2287d00efe3fSMike Christie 0xFFFF); 2288ed1086e0SVikas Chaudhary qla4xxx_destroy_ipv4_iface(ha); 2289ed1086e0SVikas Chaudhary } 2290d00efe3fSMike Christie break; 22912d63673bSMike Christie case ISCSI_NET_PARAM_VLAN_TAG: 2292d00efe3fSMike Christie if (iface_param->len != sizeof(init_fw_cb->ipv4_vlan_tag)) 2293d00efe3fSMike Christie break; 22946ac73e8cSVikas Chaudhary init_fw_cb->ipv4_vlan_tag = 22956ac73e8cSVikas Chaudhary cpu_to_be16(*(uint16_t *)iface_param->value); 22966ac73e8cSVikas Chaudhary break; 22976ac73e8cSVikas Chaudhary case ISCSI_NET_PARAM_VLAN_ENABLED: 22986ac73e8cSVikas Chaudhary if (iface_param->value[0] == ISCSI_VLAN_ENABLE) 22996ac73e8cSVikas Chaudhary init_fw_cb->ipv4_ip_opts |= 23006ac73e8cSVikas Chaudhary cpu_to_le16(IPOPT_VLAN_TAGGING_ENABLE); 23016ac73e8cSVikas Chaudhary else 23026ac73e8cSVikas Chaudhary init_fw_cb->ipv4_ip_opts &= 23036ac73e8cSVikas Chaudhary cpu_to_le16(~IPOPT_VLAN_TAGGING_ENABLE); 2304d00efe3fSMike Christie break; 2305943c157bSVikas Chaudhary case ISCSI_NET_PARAM_MTU: 2306943c157bSVikas Chaudhary init_fw_cb->eth_mtu_size = 2307943c157bSVikas Chaudhary cpu_to_le16(*(uint16_t *)iface_param->value); 2308943c157bSVikas Chaudhary break; 23092ada7fc5SVikas Chaudhary case ISCSI_NET_PARAM_PORT: 23102ada7fc5SVikas Chaudhary init_fw_cb->ipv4_port = 23112ada7fc5SVikas Chaudhary cpu_to_le16(*(uint16_t *)iface_param->value); 23122ada7fc5SVikas Chaudhary break; 2313f8e93412SHarish Zunjarrao case ISCSI_NET_PARAM_DELAYED_ACK_EN: 2314f8e93412SHarish Zunjarrao if (iface_param->iface_num & 0x1) 2315f8e93412SHarish Zunjarrao break; 2316f8e93412SHarish Zunjarrao if (iface_param->value[0] == ISCSI_NET_PARAM_DISABLE) 2317f8e93412SHarish Zunjarrao init_fw_cb->ipv4_tcp_opts |= 2318f8e93412SHarish Zunjarrao cpu_to_le16(TCPOPT_DELAYED_ACK_DISABLE); 2319f8e93412SHarish Zunjarrao else 2320f8e93412SHarish Zunjarrao init_fw_cb->ipv4_tcp_opts &= 23218f10872aSVikas Chaudhary cpu_to_le16(~TCPOPT_DELAYED_ACK_DISABLE & 23228f10872aSVikas Chaudhary 0xFFFF); 2323f8e93412SHarish Zunjarrao break; 2324f8e93412SHarish Zunjarrao case ISCSI_NET_PARAM_TCP_NAGLE_DISABLE: 2325f8e93412SHarish Zunjarrao if (iface_param->iface_num & 0x1) 2326f8e93412SHarish Zunjarrao break; 2327f8e93412SHarish Zunjarrao if (iface_param->value[0] == ISCSI_NET_PARAM_DISABLE) 2328f8e93412SHarish Zunjarrao init_fw_cb->ipv4_tcp_opts |= 2329f8e93412SHarish Zunjarrao cpu_to_le16(TCPOPT_NAGLE_ALGO_DISABLE); 2330f8e93412SHarish Zunjarrao else 2331f8e93412SHarish Zunjarrao init_fw_cb->ipv4_tcp_opts &= 2332f8e93412SHarish Zunjarrao cpu_to_le16(~TCPOPT_NAGLE_ALGO_DISABLE); 2333f8e93412SHarish Zunjarrao break; 2334f8e93412SHarish Zunjarrao case ISCSI_NET_PARAM_TCP_WSF_DISABLE: 2335f8e93412SHarish Zunjarrao if (iface_param->iface_num & 0x1) 2336f8e93412SHarish Zunjarrao break; 2337f8e93412SHarish Zunjarrao if (iface_param->value[0] == ISCSI_NET_PARAM_DISABLE) 2338f8e93412SHarish Zunjarrao init_fw_cb->ipv4_tcp_opts |= 2339f8e93412SHarish Zunjarrao cpu_to_le16(TCPOPT_WINDOW_SCALE_DISABLE); 2340f8e93412SHarish Zunjarrao else 2341f8e93412SHarish Zunjarrao init_fw_cb->ipv4_tcp_opts &= 2342f8e93412SHarish Zunjarrao cpu_to_le16(~TCPOPT_WINDOW_SCALE_DISABLE); 2343f8e93412SHarish Zunjarrao break; 2344f8e93412SHarish Zunjarrao case ISCSI_NET_PARAM_TCP_WSF: 2345f8e93412SHarish Zunjarrao if (iface_param->iface_num & 0x1) 2346f8e93412SHarish Zunjarrao break; 2347f8e93412SHarish Zunjarrao init_fw_cb->ipv4_tcp_wsf = iface_param->value[0]; 2348f8e93412SHarish Zunjarrao break; 2349f8e93412SHarish Zunjarrao case ISCSI_NET_PARAM_TCP_TIMER_SCALE: 2350f8e93412SHarish Zunjarrao if (iface_param->iface_num & 0x1) 2351f8e93412SHarish Zunjarrao break; 2352f8e93412SHarish Zunjarrao init_fw_cb->ipv4_tcp_opts &= cpu_to_le16(~TCPOPT_TIMER_SCALE); 2353f8e93412SHarish Zunjarrao init_fw_cb->ipv4_tcp_opts |= 2354f8e93412SHarish Zunjarrao cpu_to_le16((iface_param->value[0] << 1) & 2355f8e93412SHarish Zunjarrao TCPOPT_TIMER_SCALE); 2356f8e93412SHarish Zunjarrao break; 2357f8e93412SHarish Zunjarrao case ISCSI_NET_PARAM_TCP_TIMESTAMP_EN: 2358f8e93412SHarish Zunjarrao if (iface_param->iface_num & 0x1) 2359f8e93412SHarish Zunjarrao break; 2360f8e93412SHarish Zunjarrao if (iface_param->value[0] == ISCSI_NET_PARAM_ENABLE) 2361f8e93412SHarish Zunjarrao init_fw_cb->ipv4_tcp_opts |= 2362f8e93412SHarish Zunjarrao cpu_to_le16(TCPOPT_TIMESTAMP_ENABLE); 2363f8e93412SHarish Zunjarrao else 2364f8e93412SHarish Zunjarrao init_fw_cb->ipv4_tcp_opts &= 2365f8e93412SHarish Zunjarrao cpu_to_le16(~TCPOPT_TIMESTAMP_ENABLE); 2366f8e93412SHarish Zunjarrao break; 2367f8e93412SHarish Zunjarrao case ISCSI_NET_PARAM_IPV4_DHCP_DNS_ADDR_EN: 2368f8e93412SHarish Zunjarrao if (iface_param->iface_num & 0x1) 2369f8e93412SHarish Zunjarrao break; 2370f8e93412SHarish Zunjarrao if (iface_param->value[0] == ISCSI_NET_PARAM_ENABLE) 2371f8e93412SHarish Zunjarrao init_fw_cb->ipv4_tcp_opts |= 2372f8e93412SHarish Zunjarrao cpu_to_le16(TCPOPT_DNS_SERVER_IP_EN); 2373f8e93412SHarish Zunjarrao else 2374f8e93412SHarish Zunjarrao init_fw_cb->ipv4_tcp_opts &= 2375f8e93412SHarish Zunjarrao cpu_to_le16(~TCPOPT_DNS_SERVER_IP_EN); 2376f8e93412SHarish Zunjarrao break; 2377f8e93412SHarish Zunjarrao case ISCSI_NET_PARAM_IPV4_DHCP_SLP_DA_EN: 2378f8e93412SHarish Zunjarrao if (iface_param->iface_num & 0x1) 2379f8e93412SHarish Zunjarrao break; 2380f8e93412SHarish Zunjarrao if (iface_param->value[0] == ISCSI_NET_PARAM_ENABLE) 2381f8e93412SHarish Zunjarrao init_fw_cb->ipv4_tcp_opts |= 2382f8e93412SHarish Zunjarrao cpu_to_le16(TCPOPT_SLP_DA_INFO_EN); 2383f8e93412SHarish Zunjarrao else 2384f8e93412SHarish Zunjarrao init_fw_cb->ipv4_tcp_opts &= 2385f8e93412SHarish Zunjarrao cpu_to_le16(~TCPOPT_SLP_DA_INFO_EN); 2386f8e93412SHarish Zunjarrao break; 2387f8e93412SHarish Zunjarrao case ISCSI_NET_PARAM_IPV4_TOS_EN: 2388f8e93412SHarish Zunjarrao if (iface_param->iface_num & 0x1) 2389f8e93412SHarish Zunjarrao break; 2390f8e93412SHarish Zunjarrao if (iface_param->value[0] == ISCSI_NET_PARAM_ENABLE) 2391f8e93412SHarish Zunjarrao init_fw_cb->ipv4_ip_opts |= 2392f8e93412SHarish Zunjarrao cpu_to_le16(IPOPT_IPV4_TOS_EN); 2393f8e93412SHarish Zunjarrao else 2394f8e93412SHarish Zunjarrao init_fw_cb->ipv4_ip_opts &= 2395f8e93412SHarish Zunjarrao cpu_to_le16(~IPOPT_IPV4_TOS_EN); 2396f8e93412SHarish Zunjarrao break; 2397f8e93412SHarish Zunjarrao case ISCSI_NET_PARAM_IPV4_TOS: 2398f8e93412SHarish Zunjarrao if (iface_param->iface_num & 0x1) 2399f8e93412SHarish Zunjarrao break; 2400f8e93412SHarish Zunjarrao init_fw_cb->ipv4_tos = iface_param->value[0]; 2401f8e93412SHarish Zunjarrao break; 2402f8e93412SHarish Zunjarrao case ISCSI_NET_PARAM_IPV4_GRAT_ARP_EN: 2403f8e93412SHarish Zunjarrao if (iface_param->iface_num & 0x1) 2404f8e93412SHarish Zunjarrao break; 2405f8e93412SHarish Zunjarrao if (iface_param->value[0] == ISCSI_NET_PARAM_ENABLE) 2406f8e93412SHarish Zunjarrao init_fw_cb->ipv4_ip_opts |= 2407f8e93412SHarish Zunjarrao cpu_to_le16(IPOPT_GRAT_ARP_EN); 2408f8e93412SHarish Zunjarrao else 2409f8e93412SHarish Zunjarrao init_fw_cb->ipv4_ip_opts &= 2410f8e93412SHarish Zunjarrao cpu_to_le16(~IPOPT_GRAT_ARP_EN); 2411f8e93412SHarish Zunjarrao break; 2412f8e93412SHarish Zunjarrao case ISCSI_NET_PARAM_IPV4_DHCP_ALT_CLIENT_ID_EN: 2413f8e93412SHarish Zunjarrao if (iface_param->iface_num & 0x1) 2414f8e93412SHarish Zunjarrao break; 2415f8e93412SHarish Zunjarrao if (iface_param->value[0] == ISCSI_NET_PARAM_ENABLE) 2416f8e93412SHarish Zunjarrao init_fw_cb->ipv4_ip_opts |= 2417f8e93412SHarish Zunjarrao cpu_to_le16(IPOPT_ALT_CID_EN); 2418f8e93412SHarish Zunjarrao else 2419f8e93412SHarish Zunjarrao init_fw_cb->ipv4_ip_opts &= 2420f8e93412SHarish Zunjarrao cpu_to_le16(~IPOPT_ALT_CID_EN); 2421f8e93412SHarish Zunjarrao break; 2422f8e93412SHarish Zunjarrao case ISCSI_NET_PARAM_IPV4_DHCP_ALT_CLIENT_ID: 2423f8e93412SHarish Zunjarrao if (iface_param->iface_num & 0x1) 2424f8e93412SHarish Zunjarrao break; 2425f8e93412SHarish Zunjarrao memcpy(init_fw_cb->ipv4_dhcp_alt_cid, iface_param->value, 2426f8e93412SHarish Zunjarrao (sizeof(init_fw_cb->ipv4_dhcp_alt_cid) - 1)); 2427f8e93412SHarish Zunjarrao init_fw_cb->ipv4_dhcp_alt_cid_len = 2428f8e93412SHarish Zunjarrao strlen(init_fw_cb->ipv4_dhcp_alt_cid); 2429f8e93412SHarish Zunjarrao break; 2430f8e93412SHarish Zunjarrao case ISCSI_NET_PARAM_IPV4_DHCP_REQ_VENDOR_ID_EN: 2431f8e93412SHarish Zunjarrao if (iface_param->iface_num & 0x1) 2432f8e93412SHarish Zunjarrao break; 2433f8e93412SHarish Zunjarrao if (iface_param->value[0] == ISCSI_NET_PARAM_ENABLE) 2434f8e93412SHarish Zunjarrao init_fw_cb->ipv4_ip_opts |= 2435f8e93412SHarish Zunjarrao cpu_to_le16(IPOPT_REQ_VID_EN); 2436f8e93412SHarish Zunjarrao else 2437f8e93412SHarish Zunjarrao init_fw_cb->ipv4_ip_opts &= 2438f8e93412SHarish Zunjarrao cpu_to_le16(~IPOPT_REQ_VID_EN); 2439f8e93412SHarish Zunjarrao break; 2440f8e93412SHarish Zunjarrao case ISCSI_NET_PARAM_IPV4_DHCP_USE_VENDOR_ID_EN: 2441f8e93412SHarish Zunjarrao if (iface_param->iface_num & 0x1) 2442f8e93412SHarish Zunjarrao break; 2443f8e93412SHarish Zunjarrao if (iface_param->value[0] == ISCSI_NET_PARAM_ENABLE) 2444f8e93412SHarish Zunjarrao init_fw_cb->ipv4_ip_opts |= 2445f8e93412SHarish Zunjarrao cpu_to_le16(IPOPT_USE_VID_EN); 2446f8e93412SHarish Zunjarrao else 2447f8e93412SHarish Zunjarrao init_fw_cb->ipv4_ip_opts &= 2448f8e93412SHarish Zunjarrao cpu_to_le16(~IPOPT_USE_VID_EN); 2449f8e93412SHarish Zunjarrao break; 2450f8e93412SHarish Zunjarrao case ISCSI_NET_PARAM_IPV4_DHCP_VENDOR_ID: 2451f8e93412SHarish Zunjarrao if (iface_param->iface_num & 0x1) 2452f8e93412SHarish Zunjarrao break; 2453f8e93412SHarish Zunjarrao memcpy(init_fw_cb->ipv4_dhcp_vid, iface_param->value, 2454f8e93412SHarish Zunjarrao (sizeof(init_fw_cb->ipv4_dhcp_vid) - 1)); 2455f8e93412SHarish Zunjarrao init_fw_cb->ipv4_dhcp_vid_len = 2456f8e93412SHarish Zunjarrao strlen(init_fw_cb->ipv4_dhcp_vid); 2457f8e93412SHarish Zunjarrao break; 2458f8e93412SHarish Zunjarrao case ISCSI_NET_PARAM_IPV4_DHCP_LEARN_IQN_EN: 2459f8e93412SHarish Zunjarrao if (iface_param->iface_num & 0x1) 2460f8e93412SHarish Zunjarrao break; 2461f8e93412SHarish Zunjarrao if (iface_param->value[0] == ISCSI_NET_PARAM_ENABLE) 2462f8e93412SHarish Zunjarrao init_fw_cb->ipv4_ip_opts |= 2463f8e93412SHarish Zunjarrao cpu_to_le16(IPOPT_LEARN_IQN_EN); 2464f8e93412SHarish Zunjarrao else 2465f8e93412SHarish Zunjarrao init_fw_cb->ipv4_ip_opts &= 2466f8e93412SHarish Zunjarrao cpu_to_le16(~IPOPT_LEARN_IQN_EN); 2467f8e93412SHarish Zunjarrao break; 2468f8e93412SHarish Zunjarrao case ISCSI_NET_PARAM_IPV4_FRAGMENT_DISABLE: 2469f8e93412SHarish Zunjarrao if (iface_param->iface_num & 0x1) 2470f8e93412SHarish Zunjarrao break; 2471f8e93412SHarish Zunjarrao if (iface_param->value[0] == ISCSI_NET_PARAM_DISABLE) 2472f8e93412SHarish Zunjarrao init_fw_cb->ipv4_ip_opts |= 2473f8e93412SHarish Zunjarrao cpu_to_le16(IPOPT_FRAGMENTATION_DISABLE); 2474f8e93412SHarish Zunjarrao else 2475f8e93412SHarish Zunjarrao init_fw_cb->ipv4_ip_opts &= 2476f8e93412SHarish Zunjarrao cpu_to_le16(~IPOPT_FRAGMENTATION_DISABLE); 2477f8e93412SHarish Zunjarrao break; 2478f8e93412SHarish Zunjarrao case ISCSI_NET_PARAM_IPV4_IN_FORWARD_EN: 2479f8e93412SHarish Zunjarrao if (iface_param->iface_num & 0x1) 2480f8e93412SHarish Zunjarrao break; 2481f8e93412SHarish Zunjarrao if (iface_param->value[0] == ISCSI_NET_PARAM_ENABLE) 2482f8e93412SHarish Zunjarrao init_fw_cb->ipv4_ip_opts |= 2483f8e93412SHarish Zunjarrao cpu_to_le16(IPOPT_IN_FORWARD_EN); 2484f8e93412SHarish Zunjarrao else 2485f8e93412SHarish Zunjarrao init_fw_cb->ipv4_ip_opts &= 2486f8e93412SHarish Zunjarrao cpu_to_le16(~IPOPT_IN_FORWARD_EN); 2487f8e93412SHarish Zunjarrao break; 2488f8e93412SHarish Zunjarrao case ISCSI_NET_PARAM_REDIRECT_EN: 2489f8e93412SHarish Zunjarrao if (iface_param->iface_num & 0x1) 2490f8e93412SHarish Zunjarrao break; 2491f8e93412SHarish Zunjarrao if (iface_param->value[0] == ISCSI_NET_PARAM_ENABLE) 2492f8e93412SHarish Zunjarrao init_fw_cb->ipv4_ip_opts |= 2493f8e93412SHarish Zunjarrao cpu_to_le16(IPOPT_ARP_REDIRECT_EN); 2494f8e93412SHarish Zunjarrao else 2495f8e93412SHarish Zunjarrao init_fw_cb->ipv4_ip_opts &= 2496f8e93412SHarish Zunjarrao cpu_to_le16(~IPOPT_ARP_REDIRECT_EN); 2497f8e93412SHarish Zunjarrao break; 2498f8e93412SHarish Zunjarrao case ISCSI_NET_PARAM_IPV4_TTL: 2499f8e93412SHarish Zunjarrao if (iface_param->iface_num & 0x1) 2500f8e93412SHarish Zunjarrao break; 2501f8e93412SHarish Zunjarrao init_fw_cb->ipv4_ttl = iface_param->value[0]; 2502f8e93412SHarish Zunjarrao break; 2503d00efe3fSMike Christie default: 2504d00efe3fSMike Christie ql4_printk(KERN_ERR, ha, "Unknown IPv4 param = %d\n", 2505d00efe3fSMike Christie iface_param->param); 2506d00efe3fSMike Christie break; 2507d00efe3fSMike Christie } 2508d00efe3fSMike Christie } 2509d00efe3fSMike Christie 2510f8e93412SHarish Zunjarrao static void qla4xxx_set_iscsi_param(struct scsi_qla_host *ha, 2511f8e93412SHarish Zunjarrao struct iscsi_iface_param_info *iface_param, 2512f8e93412SHarish Zunjarrao struct addr_ctrl_blk *init_fw_cb) 2513f8e93412SHarish Zunjarrao { 2514f8e93412SHarish Zunjarrao switch (iface_param->param) { 2515f8e93412SHarish Zunjarrao case ISCSI_IFACE_PARAM_DEF_TASKMGMT_TMO: 2516f8e93412SHarish Zunjarrao if (iface_param->iface_num & 0x1) 2517f8e93412SHarish Zunjarrao break; 2518f8e93412SHarish Zunjarrao init_fw_cb->def_timeout = 2519f8e93412SHarish Zunjarrao cpu_to_le16(*(uint16_t *)iface_param->value); 2520f8e93412SHarish Zunjarrao break; 2521f8e93412SHarish Zunjarrao case ISCSI_IFACE_PARAM_HDRDGST_EN: 2522f8e93412SHarish Zunjarrao if (iface_param->iface_num & 0x1) 2523f8e93412SHarish Zunjarrao break; 2524f8e93412SHarish Zunjarrao if (iface_param->value[0] == ISCSI_NET_PARAM_ENABLE) 2525f8e93412SHarish Zunjarrao init_fw_cb->iscsi_opts |= 2526f8e93412SHarish Zunjarrao cpu_to_le16(ISCSIOPTS_HEADER_DIGEST_EN); 2527f8e93412SHarish Zunjarrao else 2528f8e93412SHarish Zunjarrao init_fw_cb->iscsi_opts &= 2529f8e93412SHarish Zunjarrao cpu_to_le16(~ISCSIOPTS_HEADER_DIGEST_EN); 2530f8e93412SHarish Zunjarrao break; 2531f8e93412SHarish Zunjarrao case ISCSI_IFACE_PARAM_DATADGST_EN: 2532f8e93412SHarish Zunjarrao if (iface_param->iface_num & 0x1) 2533f8e93412SHarish Zunjarrao break; 2534f8e93412SHarish Zunjarrao if (iface_param->value[0] == ISCSI_NET_PARAM_ENABLE) 2535f8e93412SHarish Zunjarrao init_fw_cb->iscsi_opts |= 2536f8e93412SHarish Zunjarrao cpu_to_le16(ISCSIOPTS_DATA_DIGEST_EN); 2537f8e93412SHarish Zunjarrao else 2538f8e93412SHarish Zunjarrao init_fw_cb->iscsi_opts &= 2539f8e93412SHarish Zunjarrao cpu_to_le16(~ISCSIOPTS_DATA_DIGEST_EN); 2540f8e93412SHarish Zunjarrao break; 2541f8e93412SHarish Zunjarrao case ISCSI_IFACE_PARAM_IMM_DATA_EN: 2542f8e93412SHarish Zunjarrao if (iface_param->iface_num & 0x1) 2543f8e93412SHarish Zunjarrao break; 2544f8e93412SHarish Zunjarrao if (iface_param->value[0] == ISCSI_NET_PARAM_ENABLE) 2545f8e93412SHarish Zunjarrao init_fw_cb->iscsi_opts |= 2546f8e93412SHarish Zunjarrao cpu_to_le16(ISCSIOPTS_IMMEDIATE_DATA_EN); 2547f8e93412SHarish Zunjarrao else 2548f8e93412SHarish Zunjarrao init_fw_cb->iscsi_opts &= 2549f8e93412SHarish Zunjarrao cpu_to_le16(~ISCSIOPTS_IMMEDIATE_DATA_EN); 2550f8e93412SHarish Zunjarrao break; 2551f8e93412SHarish Zunjarrao case ISCSI_IFACE_PARAM_INITIAL_R2T_EN: 2552f8e93412SHarish Zunjarrao if (iface_param->iface_num & 0x1) 2553f8e93412SHarish Zunjarrao break; 2554f8e93412SHarish Zunjarrao if (iface_param->value[0] == ISCSI_NET_PARAM_ENABLE) 2555f8e93412SHarish Zunjarrao init_fw_cb->iscsi_opts |= 2556f8e93412SHarish Zunjarrao cpu_to_le16(ISCSIOPTS_INITIAL_R2T_EN); 2557f8e93412SHarish Zunjarrao else 2558f8e93412SHarish Zunjarrao init_fw_cb->iscsi_opts &= 2559f8e93412SHarish Zunjarrao cpu_to_le16(~ISCSIOPTS_INITIAL_R2T_EN); 2560f8e93412SHarish Zunjarrao break; 2561f8e93412SHarish Zunjarrao case ISCSI_IFACE_PARAM_DATASEQ_INORDER_EN: 2562f8e93412SHarish Zunjarrao if (iface_param->iface_num & 0x1) 2563f8e93412SHarish Zunjarrao break; 2564f8e93412SHarish Zunjarrao if (iface_param->value[0] == ISCSI_NET_PARAM_ENABLE) 2565f8e93412SHarish Zunjarrao init_fw_cb->iscsi_opts |= 2566f8e93412SHarish Zunjarrao cpu_to_le16(ISCSIOPTS_DATA_SEQ_INORDER_EN); 2567f8e93412SHarish Zunjarrao else 2568f8e93412SHarish Zunjarrao init_fw_cb->iscsi_opts &= 2569f8e93412SHarish Zunjarrao cpu_to_le16(~ISCSIOPTS_DATA_SEQ_INORDER_EN); 2570f8e93412SHarish Zunjarrao break; 2571f8e93412SHarish Zunjarrao case ISCSI_IFACE_PARAM_PDU_INORDER_EN: 2572f8e93412SHarish Zunjarrao if (iface_param->iface_num & 0x1) 2573f8e93412SHarish Zunjarrao break; 2574f8e93412SHarish Zunjarrao if (iface_param->value[0] == ISCSI_NET_PARAM_ENABLE) 2575f8e93412SHarish Zunjarrao init_fw_cb->iscsi_opts |= 2576f8e93412SHarish Zunjarrao cpu_to_le16(ISCSIOPTS_DATA_PDU_INORDER_EN); 2577f8e93412SHarish Zunjarrao else 2578f8e93412SHarish Zunjarrao init_fw_cb->iscsi_opts &= 2579f8e93412SHarish Zunjarrao cpu_to_le16(~ISCSIOPTS_DATA_PDU_INORDER_EN); 2580f8e93412SHarish Zunjarrao break; 2581f8e93412SHarish Zunjarrao case ISCSI_IFACE_PARAM_ERL: 2582f8e93412SHarish Zunjarrao if (iface_param->iface_num & 0x1) 2583f8e93412SHarish Zunjarrao break; 2584f8e93412SHarish Zunjarrao init_fw_cb->iscsi_opts &= cpu_to_le16(~ISCSIOPTS_ERL); 2585f8e93412SHarish Zunjarrao init_fw_cb->iscsi_opts |= cpu_to_le16(iface_param->value[0] & 2586f8e93412SHarish Zunjarrao ISCSIOPTS_ERL); 2587f8e93412SHarish Zunjarrao break; 2588f8e93412SHarish Zunjarrao case ISCSI_IFACE_PARAM_MAX_RECV_DLENGTH: 2589f8e93412SHarish Zunjarrao if (iface_param->iface_num & 0x1) 2590f8e93412SHarish Zunjarrao break; 2591f8e93412SHarish Zunjarrao init_fw_cb->iscsi_max_pdu_size = 2592f8e93412SHarish Zunjarrao cpu_to_le32(*(uint32_t *)iface_param->value) / 2593f8e93412SHarish Zunjarrao BYTE_UNITS; 2594f8e93412SHarish Zunjarrao break; 2595f8e93412SHarish Zunjarrao case ISCSI_IFACE_PARAM_FIRST_BURST: 2596f8e93412SHarish Zunjarrao if (iface_param->iface_num & 0x1) 2597f8e93412SHarish Zunjarrao break; 2598f8e93412SHarish Zunjarrao init_fw_cb->iscsi_fburst_len = 2599f8e93412SHarish Zunjarrao cpu_to_le32(*(uint32_t *)iface_param->value) / 2600f8e93412SHarish Zunjarrao BYTE_UNITS; 2601f8e93412SHarish Zunjarrao break; 2602f8e93412SHarish Zunjarrao case ISCSI_IFACE_PARAM_MAX_R2T: 2603f8e93412SHarish Zunjarrao if (iface_param->iface_num & 0x1) 2604f8e93412SHarish Zunjarrao break; 2605f8e93412SHarish Zunjarrao init_fw_cb->iscsi_max_outstnd_r2t = 2606f8e93412SHarish Zunjarrao cpu_to_le16(*(uint16_t *)iface_param->value); 2607f8e93412SHarish Zunjarrao break; 2608f8e93412SHarish Zunjarrao case ISCSI_IFACE_PARAM_MAX_BURST: 2609f8e93412SHarish Zunjarrao if (iface_param->iface_num & 0x1) 2610f8e93412SHarish Zunjarrao break; 2611f8e93412SHarish Zunjarrao init_fw_cb->iscsi_max_burst_len = 2612f8e93412SHarish Zunjarrao cpu_to_le32(*(uint32_t *)iface_param->value) / 2613f8e93412SHarish Zunjarrao BYTE_UNITS; 2614f8e93412SHarish Zunjarrao break; 2615f8e93412SHarish Zunjarrao case ISCSI_IFACE_PARAM_CHAP_AUTH_EN: 2616f8e93412SHarish Zunjarrao if (iface_param->iface_num & 0x1) 2617f8e93412SHarish Zunjarrao break; 2618f8e93412SHarish Zunjarrao if (iface_param->value[0] == ISCSI_NET_PARAM_ENABLE) 2619f8e93412SHarish Zunjarrao init_fw_cb->iscsi_opts |= 2620f8e93412SHarish Zunjarrao cpu_to_le16(ISCSIOPTS_CHAP_AUTH_EN); 2621f8e93412SHarish Zunjarrao else 2622f8e93412SHarish Zunjarrao init_fw_cb->iscsi_opts &= 2623f8e93412SHarish Zunjarrao cpu_to_le16(~ISCSIOPTS_CHAP_AUTH_EN); 2624f8e93412SHarish Zunjarrao break; 2625f8e93412SHarish Zunjarrao case ISCSI_IFACE_PARAM_BIDI_CHAP_EN: 2626f8e93412SHarish Zunjarrao if (iface_param->iface_num & 0x1) 2627f8e93412SHarish Zunjarrao break; 2628f8e93412SHarish Zunjarrao if (iface_param->value[0] == ISCSI_NET_PARAM_ENABLE) 2629f8e93412SHarish Zunjarrao init_fw_cb->iscsi_opts |= 2630f8e93412SHarish Zunjarrao cpu_to_le16(ISCSIOPTS_BIDI_CHAP_EN); 2631f8e93412SHarish Zunjarrao else 2632f8e93412SHarish Zunjarrao init_fw_cb->iscsi_opts &= 2633f8e93412SHarish Zunjarrao cpu_to_le16(~ISCSIOPTS_BIDI_CHAP_EN); 2634f8e93412SHarish Zunjarrao break; 2635f8e93412SHarish Zunjarrao case ISCSI_IFACE_PARAM_DISCOVERY_AUTH_OPTIONAL: 2636f8e93412SHarish Zunjarrao if (iface_param->iface_num & 0x1) 2637f8e93412SHarish Zunjarrao break; 2638f8e93412SHarish Zunjarrao if (iface_param->value[0] == ISCSI_NET_PARAM_ENABLE) 2639f8e93412SHarish Zunjarrao init_fw_cb->iscsi_opts |= 2640f8e93412SHarish Zunjarrao cpu_to_le16(ISCSIOPTS_DISCOVERY_AUTH_EN); 2641f8e93412SHarish Zunjarrao else 2642f8e93412SHarish Zunjarrao init_fw_cb->iscsi_opts &= 2643f8e93412SHarish Zunjarrao cpu_to_le16(~ISCSIOPTS_DISCOVERY_AUTH_EN); 2644f8e93412SHarish Zunjarrao break; 2645f8e93412SHarish Zunjarrao case ISCSI_IFACE_PARAM_DISCOVERY_LOGOUT_EN: 2646f8e93412SHarish Zunjarrao if (iface_param->iface_num & 0x1) 2647f8e93412SHarish Zunjarrao break; 2648f8e93412SHarish Zunjarrao if (iface_param->value[0] == ISCSI_NET_PARAM_ENABLE) 2649f8e93412SHarish Zunjarrao init_fw_cb->iscsi_opts |= 2650f8e93412SHarish Zunjarrao cpu_to_le16(ISCSIOPTS_DISCOVERY_LOGOUT_EN); 2651f8e93412SHarish Zunjarrao else 2652f8e93412SHarish Zunjarrao init_fw_cb->iscsi_opts &= 2653f8e93412SHarish Zunjarrao cpu_to_le16(~ISCSIOPTS_DISCOVERY_LOGOUT_EN); 2654f8e93412SHarish Zunjarrao break; 2655f8e93412SHarish Zunjarrao case ISCSI_IFACE_PARAM_STRICT_LOGIN_COMP_EN: 2656f8e93412SHarish Zunjarrao if (iface_param->iface_num & 0x1) 2657f8e93412SHarish Zunjarrao break; 2658f8e93412SHarish Zunjarrao if (iface_param->value[0] == ISCSI_NET_PARAM_ENABLE) 2659f8e93412SHarish Zunjarrao init_fw_cb->iscsi_opts |= 2660f8e93412SHarish Zunjarrao cpu_to_le16(ISCSIOPTS_STRICT_LOGIN_COMP_EN); 2661f8e93412SHarish Zunjarrao else 2662f8e93412SHarish Zunjarrao init_fw_cb->iscsi_opts &= 2663f8e93412SHarish Zunjarrao cpu_to_le16(~ISCSIOPTS_STRICT_LOGIN_COMP_EN); 2664f8e93412SHarish Zunjarrao break; 2665f8e93412SHarish Zunjarrao default: 2666f8e93412SHarish Zunjarrao ql4_printk(KERN_ERR, ha, "Unknown iscsi param = %d\n", 2667f8e93412SHarish Zunjarrao iface_param->param); 2668f8e93412SHarish Zunjarrao break; 2669f8e93412SHarish Zunjarrao } 2670f8e93412SHarish Zunjarrao } 2671f8e93412SHarish Zunjarrao 2672d00efe3fSMike Christie static void 2673d00efe3fSMike Christie qla4xxx_initcb_to_acb(struct addr_ctrl_blk *init_fw_cb) 2674d00efe3fSMike Christie { 2675d00efe3fSMike Christie struct addr_ctrl_blk_def *acb; 2676d00efe3fSMike Christie acb = (struct addr_ctrl_blk_def *)init_fw_cb; 2677d00efe3fSMike Christie memset(acb->reserved1, 0, sizeof(acb->reserved1)); 2678d00efe3fSMike Christie memset(acb->reserved2, 0, sizeof(acb->reserved2)); 2679d00efe3fSMike Christie memset(acb->reserved3, 0, sizeof(acb->reserved3)); 2680d00efe3fSMike Christie memset(acb->reserved4, 0, sizeof(acb->reserved4)); 2681d00efe3fSMike Christie memset(acb->reserved5, 0, sizeof(acb->reserved5)); 2682d00efe3fSMike Christie memset(acb->reserved6, 0, sizeof(acb->reserved6)); 2683d00efe3fSMike Christie memset(acb->reserved7, 0, sizeof(acb->reserved7)); 2684d00efe3fSMike Christie memset(acb->reserved8, 0, sizeof(acb->reserved8)); 2685d00efe3fSMike Christie memset(acb->reserved9, 0, sizeof(acb->reserved9)); 2686d00efe3fSMike Christie memset(acb->reserved10, 0, sizeof(acb->reserved10)); 2687d00efe3fSMike Christie memset(acb->reserved11, 0, sizeof(acb->reserved11)); 2688d00efe3fSMike Christie memset(acb->reserved12, 0, sizeof(acb->reserved12)); 2689d00efe3fSMike Christie memset(acb->reserved13, 0, sizeof(acb->reserved13)); 2690d00efe3fSMike Christie memset(acb->reserved14, 0, sizeof(acb->reserved14)); 2691d00efe3fSMike Christie memset(acb->reserved15, 0, sizeof(acb->reserved15)); 2692d00efe3fSMike Christie } 2693d00efe3fSMike Christie 2694d00efe3fSMike Christie static int 269500c31889SMike Christie qla4xxx_iface_set_param(struct Scsi_Host *shost, void *data, uint32_t len) 2696d00efe3fSMike Christie { 2697d00efe3fSMike Christie struct scsi_qla_host *ha = to_qla_host(shost); 2698d00efe3fSMike Christie int rval = 0; 2699d00efe3fSMike Christie struct iscsi_iface_param_info *iface_param = NULL; 2700d00efe3fSMike Christie struct addr_ctrl_blk *init_fw_cb = NULL; 2701d00efe3fSMike Christie dma_addr_t init_fw_cb_dma; 2702d00efe3fSMike Christie uint32_t mbox_cmd[MBOX_REG_COUNT]; 2703d00efe3fSMike Christie uint32_t mbox_sts[MBOX_REG_COUNT]; 270400c31889SMike Christie uint32_t rem = len; 270500c31889SMike Christie struct nlattr *attr; 2706d00efe3fSMike Christie 2707750afb08SLuis Chamberlain init_fw_cb = dma_alloc_coherent(&ha->pdev->dev, 2708d00efe3fSMike Christie sizeof(struct addr_ctrl_blk), 2709d00efe3fSMike Christie &init_fw_cb_dma, GFP_KERNEL); 2710d00efe3fSMike Christie if (!init_fw_cb) { 2711d00efe3fSMike Christie ql4_printk(KERN_ERR, ha, "%s: Unable to alloc init_cb\n", 2712d00efe3fSMike Christie __func__); 2713d00efe3fSMike Christie return -ENOMEM; 2714d00efe3fSMike Christie } 2715d00efe3fSMike Christie 2716d00efe3fSMike Christie memset(&mbox_cmd, 0, sizeof(mbox_cmd)); 2717d00efe3fSMike Christie memset(&mbox_sts, 0, sizeof(mbox_sts)); 2718d00efe3fSMike Christie 2719d00efe3fSMike Christie if (qla4xxx_get_ifcb(ha, &mbox_cmd[0], &mbox_sts[0], init_fw_cb_dma)) { 2720d00efe3fSMike Christie ql4_printk(KERN_ERR, ha, "%s: get ifcb failed\n", __func__); 2721d00efe3fSMike Christie rval = -EIO; 2722d00efe3fSMike Christie goto exit_init_fw_cb; 2723d00efe3fSMike Christie } 2724d00efe3fSMike Christie 272500c31889SMike Christie nla_for_each_attr(attr, data, len, rem) { 272600c31889SMike Christie iface_param = nla_data(attr); 2727d00efe3fSMike Christie 2728f8e93412SHarish Zunjarrao if (iface_param->param_type == ISCSI_NET_PARAM) { 2729d00efe3fSMike Christie switch (iface_param->iface_type) { 2730d00efe3fSMike Christie case ISCSI_IFACE_TYPE_IPV4: 2731d00efe3fSMike Christie switch (iface_param->iface_num) { 2732d00efe3fSMike Christie case 0: 2733f8e93412SHarish Zunjarrao qla4xxx_set_ipv4(ha, iface_param, 2734f8e93412SHarish Zunjarrao init_fw_cb); 2735d00efe3fSMike Christie break; 2736d00efe3fSMike Christie default: 2737d00efe3fSMike Christie /* Cannot have more than one IPv4 interface */ 2738f8e93412SHarish Zunjarrao ql4_printk(KERN_ERR, ha, 2739f8e93412SHarish Zunjarrao "Invalid IPv4 iface number = %d\n", 2740d00efe3fSMike Christie iface_param->iface_num); 2741d00efe3fSMike Christie break; 2742d00efe3fSMike Christie } 2743d00efe3fSMike Christie break; 2744d00efe3fSMike Christie case ISCSI_IFACE_TYPE_IPV6: 2745d00efe3fSMike Christie switch (iface_param->iface_num) { 2746d00efe3fSMike Christie case 0: 2747d00efe3fSMike Christie case 1: 2748f8e93412SHarish Zunjarrao qla4xxx_set_ipv6(ha, iface_param, 2749f8e93412SHarish Zunjarrao init_fw_cb); 2750d00efe3fSMike Christie break; 2751d00efe3fSMike Christie default: 2752d00efe3fSMike Christie /* Cannot have more than two IPv6 interface */ 2753f8e93412SHarish Zunjarrao ql4_printk(KERN_ERR, ha, 2754f8e93412SHarish Zunjarrao "Invalid IPv6 iface number = %d\n", 2755d00efe3fSMike Christie iface_param->iface_num); 2756d00efe3fSMike Christie break; 2757d00efe3fSMike Christie } 2758d00efe3fSMike Christie break; 2759d00efe3fSMike Christie default: 2760f8e93412SHarish Zunjarrao ql4_printk(KERN_ERR, ha, 2761f8e93412SHarish Zunjarrao "Invalid iface type\n"); 2762d00efe3fSMike Christie break; 2763d00efe3fSMike Christie } 2764f8e93412SHarish Zunjarrao } else if (iface_param->param_type == ISCSI_IFACE_PARAM) { 2765f8e93412SHarish Zunjarrao qla4xxx_set_iscsi_param(ha, iface_param, 2766f8e93412SHarish Zunjarrao init_fw_cb); 2767f8e93412SHarish Zunjarrao } else { 2768f8e93412SHarish Zunjarrao continue; 2769f8e93412SHarish Zunjarrao } 2770d00efe3fSMike Christie } 2771d00efe3fSMike Christie 2772d00efe3fSMike Christie init_fw_cb->cookie = cpu_to_le32(0x11BEAD5A); 2773d00efe3fSMike Christie 2774d00efe3fSMike Christie rval = qla4xxx_set_flash(ha, init_fw_cb_dma, FLASH_SEGMENT_IFCB, 2775d00efe3fSMike Christie sizeof(struct addr_ctrl_blk), 2776d00efe3fSMike Christie FLASH_OPT_RMW_COMMIT); 2777d00efe3fSMike Christie if (rval != QLA_SUCCESS) { 2778d00efe3fSMike Christie ql4_printk(KERN_ERR, ha, "%s: set flash mbx failed\n", 2779d00efe3fSMike Christie __func__); 2780d00efe3fSMike Christie rval = -EIO; 2781d00efe3fSMike Christie goto exit_init_fw_cb; 2782d00efe3fSMike Christie } 2783d00efe3fSMike Christie 2784ce505f9dSVikas Chaudhary rval = qla4xxx_disable_acb(ha); 2785ce505f9dSVikas Chaudhary if (rval != QLA_SUCCESS) { 2786ce505f9dSVikas Chaudhary ql4_printk(KERN_ERR, ha, "%s: disable acb mbx failed\n", 2787ce505f9dSVikas Chaudhary __func__); 2788ce505f9dSVikas Chaudhary rval = -EIO; 2789ce505f9dSVikas Chaudhary goto exit_init_fw_cb; 2790ce505f9dSVikas Chaudhary } 2791ce505f9dSVikas Chaudhary 2792ce505f9dSVikas Chaudhary wait_for_completion_timeout(&ha->disable_acb_comp, 2793ce505f9dSVikas Chaudhary DISABLE_ACB_TOV * HZ); 2794d00efe3fSMike Christie 2795d00efe3fSMike Christie qla4xxx_initcb_to_acb(init_fw_cb); 2796d00efe3fSMike Christie 2797d00efe3fSMike Christie rval = qla4xxx_set_acb(ha, &mbox_cmd[0], &mbox_sts[0], init_fw_cb_dma); 2798d00efe3fSMike Christie if (rval != QLA_SUCCESS) { 2799d00efe3fSMike Christie ql4_printk(KERN_ERR, ha, "%s: set acb mbx failed\n", 2800d00efe3fSMike Christie __func__); 2801d00efe3fSMike Christie rval = -EIO; 2802d00efe3fSMike Christie goto exit_init_fw_cb; 2803d00efe3fSMike Christie } 2804d00efe3fSMike Christie 2805d00efe3fSMike Christie memset(init_fw_cb, 0, sizeof(struct addr_ctrl_blk)); 2806d00efe3fSMike Christie qla4xxx_update_local_ifcb(ha, &mbox_cmd[0], &mbox_sts[0], init_fw_cb, 2807d00efe3fSMike Christie init_fw_cb_dma); 2808d00efe3fSMike Christie 2809d00efe3fSMike Christie exit_init_fw_cb: 2810d00efe3fSMike Christie dma_free_coherent(&ha->pdev->dev, sizeof(struct addr_ctrl_blk), 2811d00efe3fSMike Christie init_fw_cb, init_fw_cb_dma); 2812d00efe3fSMike Christie 2813d00efe3fSMike Christie return rval; 2814d00efe3fSMike Christie } 2815d00efe3fSMike Christie 2816fca9f04dSMike Christie static int qla4xxx_session_get_param(struct iscsi_cls_session *cls_sess, 2817fca9f04dSMike Christie enum iscsi_param param, char *buf) 2818fca9f04dSMike Christie { 2819fca9f04dSMike Christie struct iscsi_session *sess = cls_sess->dd_data; 2820fca9f04dSMike Christie struct ddb_entry *ddb_entry = sess->dd_data; 2821fca9f04dSMike Christie struct scsi_qla_host *ha = ddb_entry->ha; 282297c2730cSAdheer Chandravanshi struct iscsi_cls_conn *cls_conn = ddb_entry->conn; 282397c2730cSAdheer Chandravanshi struct ql4_chap_table chap_tbl; 2824fca9f04dSMike Christie int rval, len; 2825fca9f04dSMike Christie uint16_t idx; 2826fca9f04dSMike Christie 282797c2730cSAdheer Chandravanshi memset(&chap_tbl, 0, sizeof(chap_tbl)); 2828fca9f04dSMike Christie switch (param) { 2829fca9f04dSMike Christie case ISCSI_PARAM_CHAP_IN_IDX: 2830fca9f04dSMike Christie rval = qla4xxx_get_chap_index(ha, sess->username_in, 2831fca9f04dSMike Christie sess->password_in, BIDI_CHAP, 2832fca9f04dSMike Christie &idx); 2833fca9f04dSMike Christie if (rval) 2834c7a5e0d0SManish Rangankar len = sprintf(buf, "\n"); 2835c7a5e0d0SManish Rangankar else 2836fca9f04dSMike Christie len = sprintf(buf, "%hu\n", idx); 2837fca9f04dSMike Christie break; 2838fca9f04dSMike Christie case ISCSI_PARAM_CHAP_OUT_IDX: 283997c2730cSAdheer Chandravanshi if (ddb_entry->ddb_type == FLASH_DDB) { 284097c2730cSAdheer Chandravanshi if (ddb_entry->chap_tbl_idx != INVALID_ENTRY) { 284197c2730cSAdheer Chandravanshi idx = ddb_entry->chap_tbl_idx; 284297c2730cSAdheer Chandravanshi rval = QLA_SUCCESS; 284397c2730cSAdheer Chandravanshi } else { 284497c2730cSAdheer Chandravanshi rval = QLA_ERROR; 284597c2730cSAdheer Chandravanshi } 284697c2730cSAdheer Chandravanshi } else { 2847fca9f04dSMike Christie rval = qla4xxx_get_chap_index(ha, sess->username, 284897c2730cSAdheer Chandravanshi sess->password, 284997c2730cSAdheer Chandravanshi LOCAL_CHAP, &idx); 285097c2730cSAdheer Chandravanshi } 2851fca9f04dSMike Christie if (rval) 2852c7a5e0d0SManish Rangankar len = sprintf(buf, "\n"); 2853c7a5e0d0SManish Rangankar else 2854fca9f04dSMike Christie len = sprintf(buf, "%hu\n", idx); 2855fca9f04dSMike Christie break; 285697c2730cSAdheer Chandravanshi case ISCSI_PARAM_USERNAME: 285797c2730cSAdheer Chandravanshi case ISCSI_PARAM_PASSWORD: 285897c2730cSAdheer Chandravanshi /* First, populate session username and password for FLASH DDB, 285997c2730cSAdheer Chandravanshi * if not already done. This happens when session login fails 286097c2730cSAdheer Chandravanshi * for a FLASH DDB. 286197c2730cSAdheer Chandravanshi */ 286297c2730cSAdheer Chandravanshi if (ddb_entry->ddb_type == FLASH_DDB && 286397c2730cSAdheer Chandravanshi ddb_entry->chap_tbl_idx != INVALID_ENTRY && 286497c2730cSAdheer Chandravanshi !sess->username && !sess->password) { 286597c2730cSAdheer Chandravanshi idx = ddb_entry->chap_tbl_idx; 286697c2730cSAdheer Chandravanshi rval = qla4xxx_get_uni_chap_at_index(ha, chap_tbl.name, 286797c2730cSAdheer Chandravanshi chap_tbl.secret, 286897c2730cSAdheer Chandravanshi idx); 286997c2730cSAdheer Chandravanshi if (!rval) { 287097c2730cSAdheer Chandravanshi iscsi_set_param(cls_conn, ISCSI_PARAM_USERNAME, 287197c2730cSAdheer Chandravanshi (char *)chap_tbl.name, 287297c2730cSAdheer Chandravanshi strlen((char *)chap_tbl.name)); 287397c2730cSAdheer Chandravanshi iscsi_set_param(cls_conn, ISCSI_PARAM_PASSWORD, 287497c2730cSAdheer Chandravanshi (char *)chap_tbl.secret, 287597c2730cSAdheer Chandravanshi chap_tbl.secret_len); 287697c2730cSAdheer Chandravanshi } 287797c2730cSAdheer Chandravanshi } 2878fc9ac87eSGustavo A. R. Silva /* fall through */ 2879fca9f04dSMike Christie default: 2880fca9f04dSMike Christie return iscsi_session_get_param(cls_sess, param, buf); 2881fca9f04dSMike Christie } 2882fca9f04dSMike Christie 2883fca9f04dSMike Christie return len; 2884fca9f04dSMike Christie } 2885fca9f04dSMike Christie 2886b3a271a9SManish Rangankar static int qla4xxx_conn_get_param(struct iscsi_cls_conn *cls_conn, 2887afaf5a2dSDavid Somayajulu enum iscsi_param param, char *buf) 2888afaf5a2dSDavid Somayajulu { 2889b3a271a9SManish Rangankar struct iscsi_conn *conn; 2890b3a271a9SManish Rangankar struct qla_conn *qla_conn; 2891b3a271a9SManish Rangankar struct sockaddr *dst_addr; 2892afaf5a2dSDavid Somayajulu 2893b3a271a9SManish Rangankar conn = cls_conn->dd_data; 2894b3a271a9SManish Rangankar qla_conn = conn->dd_data; 2895d46bdeb1SManish Rangankar dst_addr = (struct sockaddr *)&qla_conn->qla_ep->dst_addr; 2896afaf5a2dSDavid Somayajulu 2897afaf5a2dSDavid Somayajulu switch (param) { 2898afaf5a2dSDavid Somayajulu case ISCSI_PARAM_CONN_PORT: 2899afaf5a2dSDavid Somayajulu case ISCSI_PARAM_CONN_ADDRESS: 2900b3a271a9SManish Rangankar return iscsi_conn_get_addr_param((struct sockaddr_storage *) 2901b3a271a9SManish Rangankar dst_addr, param, buf); 2902afaf5a2dSDavid Somayajulu default: 2903b3a271a9SManish Rangankar return iscsi_conn_get_param(cls_conn, param, buf); 2904afaf5a2dSDavid Somayajulu } 2905afaf5a2dSDavid Somayajulu } 2906afaf5a2dSDavid Somayajulu 290713483730SMike Christie int qla4xxx_get_ddb_index(struct scsi_qla_host *ha, uint16_t *ddb_index) 290813483730SMike Christie { 290913483730SMike Christie uint32_t mbx_sts = 0; 291013483730SMike Christie uint16_t tmp_ddb_index; 291113483730SMike Christie int ret; 291213483730SMike Christie 291313483730SMike Christie get_ddb_index: 291413483730SMike Christie tmp_ddb_index = find_first_zero_bit(ha->ddb_idx_map, MAX_DDB_ENTRIES); 291513483730SMike Christie 291613483730SMike Christie if (tmp_ddb_index >= MAX_DDB_ENTRIES) { 291713483730SMike Christie DEBUG2(ql4_printk(KERN_INFO, ha, 291813483730SMike Christie "Free DDB index not available\n")); 291913483730SMike Christie ret = QLA_ERROR; 292013483730SMike Christie goto exit_get_ddb_index; 292113483730SMike Christie } 292213483730SMike Christie 292313483730SMike Christie if (test_and_set_bit(tmp_ddb_index, ha->ddb_idx_map)) 292413483730SMike Christie goto get_ddb_index; 292513483730SMike Christie 292613483730SMike Christie DEBUG2(ql4_printk(KERN_INFO, ha, 292713483730SMike Christie "Found a free DDB index at %d\n", tmp_ddb_index)); 292813483730SMike Christie ret = qla4xxx_req_ddb_entry(ha, tmp_ddb_index, &mbx_sts); 292913483730SMike Christie if (ret == QLA_ERROR) { 293013483730SMike Christie if (mbx_sts == MBOX_STS_COMMAND_ERROR) { 293113483730SMike Christie ql4_printk(KERN_INFO, ha, 293213483730SMike Christie "DDB index = %d not available trying next\n", 293313483730SMike Christie tmp_ddb_index); 293413483730SMike Christie goto get_ddb_index; 293513483730SMike Christie } 293613483730SMike Christie DEBUG2(ql4_printk(KERN_INFO, ha, 293713483730SMike Christie "Free FW DDB not available\n")); 293813483730SMike Christie } 293913483730SMike Christie 294013483730SMike Christie *ddb_index = tmp_ddb_index; 294113483730SMike Christie 294213483730SMike Christie exit_get_ddb_index: 294313483730SMike Christie return ret; 294413483730SMike Christie } 294513483730SMike Christie 294613483730SMike Christie static int qla4xxx_match_ipaddress(struct scsi_qla_host *ha, 294713483730SMike Christie struct ddb_entry *ddb_entry, 294813483730SMike Christie char *existing_ipaddr, 294913483730SMike Christie char *user_ipaddr) 295013483730SMike Christie { 295113483730SMike Christie uint8_t dst_ipaddr[IPv6_ADDR_LEN]; 295213483730SMike Christie char formatted_ipaddr[DDB_IPADDR_LEN]; 295313483730SMike Christie int status = QLA_SUCCESS, ret = 0; 295413483730SMike Christie 295513483730SMike Christie if (ddb_entry->fw_ddb_entry.options & DDB_OPT_IPV6_DEVICE) { 295613483730SMike Christie ret = in6_pton(user_ipaddr, strlen(user_ipaddr), dst_ipaddr, 295713483730SMike Christie '\0', NULL); 295813483730SMike Christie if (ret == 0) { 295913483730SMike Christie status = QLA_ERROR; 296013483730SMike Christie goto out_match; 296113483730SMike Christie } 296213483730SMike Christie ret = sprintf(formatted_ipaddr, "%pI6", dst_ipaddr); 296313483730SMike Christie } else { 296413483730SMike Christie ret = in4_pton(user_ipaddr, strlen(user_ipaddr), dst_ipaddr, 296513483730SMike Christie '\0', NULL); 296613483730SMike Christie if (ret == 0) { 296713483730SMike Christie status = QLA_ERROR; 296813483730SMike Christie goto out_match; 296913483730SMike Christie } 297013483730SMike Christie ret = sprintf(formatted_ipaddr, "%pI4", dst_ipaddr); 297113483730SMike Christie } 297213483730SMike Christie 297313483730SMike Christie if (strcmp(existing_ipaddr, formatted_ipaddr)) 297413483730SMike Christie status = QLA_ERROR; 297513483730SMike Christie 297613483730SMike Christie out_match: 297713483730SMike Christie return status; 297813483730SMike Christie } 297913483730SMike Christie 298013483730SMike Christie static int qla4xxx_match_fwdb_session(struct scsi_qla_host *ha, 298113483730SMike Christie struct iscsi_cls_conn *cls_conn) 298213483730SMike Christie { 298313483730SMike Christie int idx = 0, max_ddbs, rval; 298413483730SMike Christie struct iscsi_cls_session *cls_sess = iscsi_conn_to_session(cls_conn); 298513483730SMike Christie struct iscsi_session *sess, *existing_sess; 298613483730SMike Christie struct iscsi_conn *conn, *existing_conn; 298713483730SMike Christie struct ddb_entry *ddb_entry; 298813483730SMike Christie 298913483730SMike Christie sess = cls_sess->dd_data; 299013483730SMike Christie conn = cls_conn->dd_data; 299113483730SMike Christie 299213483730SMike Christie if (sess->targetname == NULL || 299313483730SMike Christie conn->persistent_address == NULL || 299413483730SMike Christie conn->persistent_port == 0) 299513483730SMike Christie return QLA_ERROR; 299613483730SMike Christie 299713483730SMike Christie max_ddbs = is_qla40XX(ha) ? MAX_DEV_DB_ENTRIES_40XX : 299813483730SMike Christie MAX_DEV_DB_ENTRIES; 299913483730SMike Christie 300013483730SMike Christie for (idx = 0; idx < max_ddbs; idx++) { 300113483730SMike Christie ddb_entry = qla4xxx_lookup_ddb_by_fw_index(ha, idx); 300213483730SMike Christie if (ddb_entry == NULL) 300313483730SMike Christie continue; 300413483730SMike Christie 300513483730SMike Christie if (ddb_entry->ddb_type != FLASH_DDB) 300613483730SMike Christie continue; 300713483730SMike Christie 300813483730SMike Christie existing_sess = ddb_entry->sess->dd_data; 300913483730SMike Christie existing_conn = ddb_entry->conn->dd_data; 301013483730SMike Christie 301113483730SMike Christie if (existing_sess->targetname == NULL || 301213483730SMike Christie existing_conn->persistent_address == NULL || 301313483730SMike Christie existing_conn->persistent_port == 0) 301413483730SMike Christie continue; 301513483730SMike Christie 301613483730SMike Christie DEBUG2(ql4_printk(KERN_INFO, ha, 301713483730SMike Christie "IQN = %s User IQN = %s\n", 301813483730SMike Christie existing_sess->targetname, 301913483730SMike Christie sess->targetname)); 302013483730SMike Christie 302113483730SMike Christie DEBUG2(ql4_printk(KERN_INFO, ha, 302213483730SMike Christie "IP = %s User IP = %s\n", 302313483730SMike Christie existing_conn->persistent_address, 302413483730SMike Christie conn->persistent_address)); 302513483730SMike Christie 302613483730SMike Christie DEBUG2(ql4_printk(KERN_INFO, ha, 302713483730SMike Christie "Port = %d User Port = %d\n", 302813483730SMike Christie existing_conn->persistent_port, 302913483730SMike Christie conn->persistent_port)); 303013483730SMike Christie 303113483730SMike Christie if (strcmp(existing_sess->targetname, sess->targetname)) 303213483730SMike Christie continue; 303313483730SMike Christie rval = qla4xxx_match_ipaddress(ha, ddb_entry, 303413483730SMike Christie existing_conn->persistent_address, 303513483730SMike Christie conn->persistent_address); 303613483730SMike Christie if (rval == QLA_ERROR) 303713483730SMike Christie continue; 303813483730SMike Christie if (existing_conn->persistent_port != conn->persistent_port) 303913483730SMike Christie continue; 304013483730SMike Christie break; 304113483730SMike Christie } 304213483730SMike Christie 304313483730SMike Christie if (idx == max_ddbs) 304413483730SMike Christie return QLA_ERROR; 304513483730SMike Christie 304613483730SMike Christie DEBUG2(ql4_printk(KERN_INFO, ha, 304713483730SMike Christie "Match found in fwdb sessions\n")); 304813483730SMike Christie return QLA_SUCCESS; 304913483730SMike Christie } 305013483730SMike Christie 3051b3a271a9SManish Rangankar static struct iscsi_cls_session * 3052b3a271a9SManish Rangankar qla4xxx_session_create(struct iscsi_endpoint *ep, 3053b3a271a9SManish Rangankar uint16_t cmds_max, uint16_t qdepth, 3054b3a271a9SManish Rangankar uint32_t initial_cmdsn) 3055b3a271a9SManish Rangankar { 3056b3a271a9SManish Rangankar struct iscsi_cls_session *cls_sess; 3057b3a271a9SManish Rangankar struct scsi_qla_host *ha; 3058b3a271a9SManish Rangankar struct qla_endpoint *qla_ep; 3059b3a271a9SManish Rangankar struct ddb_entry *ddb_entry; 306013483730SMike Christie uint16_t ddb_index; 3061b3a271a9SManish Rangankar struct iscsi_session *sess; 3062b3a271a9SManish Rangankar struct sockaddr *dst_addr; 3063b3a271a9SManish Rangankar int ret; 3064b3a271a9SManish Rangankar 3065b3a271a9SManish Rangankar if (!ep) { 3066b3a271a9SManish Rangankar printk(KERN_ERR "qla4xxx: missing ep.\n"); 3067b3a271a9SManish Rangankar return NULL; 3068b3a271a9SManish Rangankar } 3069b3a271a9SManish Rangankar 3070b3a271a9SManish Rangankar qla_ep = ep->dd_data; 3071b3a271a9SManish Rangankar dst_addr = (struct sockaddr *)&qla_ep->dst_addr; 3072b3a271a9SManish Rangankar ha = to_qla_host(qla_ep->host); 3073c343c5e0SVikas Chaudhary DEBUG2(ql4_printk(KERN_INFO, ha, "%s: host: %ld\n", __func__, 3074c343c5e0SVikas Chaudhary ha->host_no)); 3075736cf369SManish Rangankar 307613483730SMike Christie ret = qla4xxx_get_ddb_index(ha, &ddb_index); 307713483730SMike Christie if (ret == QLA_ERROR) 3078b3a271a9SManish Rangankar return NULL; 3079b3a271a9SManish Rangankar 3080b3a271a9SManish Rangankar cls_sess = iscsi_session_setup(&qla4xxx_iscsi_transport, qla_ep->host, 3081b3a271a9SManish Rangankar cmds_max, sizeof(struct ddb_entry), 3082b3a271a9SManish Rangankar sizeof(struct ql4_task_data), 3083b3a271a9SManish Rangankar initial_cmdsn, ddb_index); 3084b3a271a9SManish Rangankar if (!cls_sess) 3085b3a271a9SManish Rangankar return NULL; 3086b3a271a9SManish Rangankar 3087b3a271a9SManish Rangankar sess = cls_sess->dd_data; 3088b3a271a9SManish Rangankar ddb_entry = sess->dd_data; 3089b3a271a9SManish Rangankar ddb_entry->fw_ddb_index = ddb_index; 3090b3a271a9SManish Rangankar ddb_entry->fw_ddb_device_state = DDB_DS_NO_CONNECTION_ACTIVE; 3091b3a271a9SManish Rangankar ddb_entry->ha = ha; 3092b3a271a9SManish Rangankar ddb_entry->sess = cls_sess; 309313483730SMike Christie ddb_entry->unblock_sess = qla4xxx_unblock_ddb; 309413483730SMike Christie ddb_entry->ddb_change = qla4xxx_ddb_change; 3095de2efea6SNilesh Javali clear_bit(DDB_CONN_CLOSE_FAILURE, &ddb_entry->flags); 3096b3a271a9SManish Rangankar cls_sess->recovery_tmo = ql4xsess_recovery_tmo; 3097b3a271a9SManish Rangankar ha->fw_ddb_index_map[ddb_entry->fw_ddb_index] = ddb_entry; 3098b3a271a9SManish Rangankar ha->tot_ddbs++; 3099b3a271a9SManish Rangankar 3100b3a271a9SManish Rangankar return cls_sess; 3101b3a271a9SManish Rangankar } 3102b3a271a9SManish Rangankar 3103b3a271a9SManish Rangankar static void qla4xxx_session_destroy(struct iscsi_cls_session *cls_sess) 3104b3a271a9SManish Rangankar { 3105b3a271a9SManish Rangankar struct iscsi_session *sess; 3106b3a271a9SManish Rangankar struct ddb_entry *ddb_entry; 3107b3a271a9SManish Rangankar struct scsi_qla_host *ha; 310890599b62SManish Rangankar unsigned long flags, wtime; 310990599b62SManish Rangankar struct dev_db_entry *fw_ddb_entry = NULL; 311090599b62SManish Rangankar dma_addr_t fw_ddb_entry_dma; 311190599b62SManish Rangankar uint32_t ddb_state; 311290599b62SManish Rangankar int ret; 3113b3a271a9SManish Rangankar 3114b3a271a9SManish Rangankar sess = cls_sess->dd_data; 3115b3a271a9SManish Rangankar ddb_entry = sess->dd_data; 3116b3a271a9SManish Rangankar ha = ddb_entry->ha; 3117c343c5e0SVikas Chaudhary DEBUG2(ql4_printk(KERN_INFO, ha, "%s: host: %ld\n", __func__, 3118c343c5e0SVikas Chaudhary ha->host_no)); 3119b3a271a9SManish Rangankar 312090599b62SManish Rangankar fw_ddb_entry = dma_alloc_coherent(&ha->pdev->dev, sizeof(*fw_ddb_entry), 312190599b62SManish Rangankar &fw_ddb_entry_dma, GFP_KERNEL); 312290599b62SManish Rangankar if (!fw_ddb_entry) { 312390599b62SManish Rangankar ql4_printk(KERN_ERR, ha, 312490599b62SManish Rangankar "%s: Unable to allocate dma buffer\n", __func__); 312590599b62SManish Rangankar goto destroy_session; 312690599b62SManish Rangankar } 312790599b62SManish Rangankar 312890599b62SManish Rangankar wtime = jiffies + (HZ * LOGOUT_TOV); 312990599b62SManish Rangankar do { 313090599b62SManish Rangankar ret = qla4xxx_get_fwddb_entry(ha, ddb_entry->fw_ddb_index, 313190599b62SManish Rangankar fw_ddb_entry, fw_ddb_entry_dma, 313290599b62SManish Rangankar NULL, NULL, &ddb_state, NULL, 313390599b62SManish Rangankar NULL, NULL); 313490599b62SManish Rangankar if (ret == QLA_ERROR) 313590599b62SManish Rangankar goto destroy_session; 313690599b62SManish Rangankar 313790599b62SManish Rangankar if ((ddb_state == DDB_DS_NO_CONNECTION_ACTIVE) || 313890599b62SManish Rangankar (ddb_state == DDB_DS_SESSION_FAILED)) 313990599b62SManish Rangankar goto destroy_session; 314090599b62SManish Rangankar 314190599b62SManish Rangankar schedule_timeout_uninterruptible(HZ); 314290599b62SManish Rangankar } while ((time_after(wtime, jiffies))); 314390599b62SManish Rangankar 314490599b62SManish Rangankar destroy_session: 3145736cf369SManish Rangankar qla4xxx_clear_ddb_entry(ha, ddb_entry->fw_ddb_index); 3146de2efea6SNilesh Javali if (test_and_clear_bit(DDB_CONN_CLOSE_FAILURE, &ddb_entry->flags)) 3147de2efea6SNilesh Javali clear_bit(ddb_entry->fw_ddb_index, ha->ddb_idx_map); 3148b3a271a9SManish Rangankar spin_lock_irqsave(&ha->hardware_lock, flags); 3149b3a271a9SManish Rangankar qla4xxx_free_ddb(ha, ddb_entry); 3150b3a271a9SManish Rangankar spin_unlock_irqrestore(&ha->hardware_lock, flags); 315190599b62SManish Rangankar 3152b3a271a9SManish Rangankar iscsi_session_teardown(cls_sess); 315390599b62SManish Rangankar 315490599b62SManish Rangankar if (fw_ddb_entry) 315590599b62SManish Rangankar dma_free_coherent(&ha->pdev->dev, sizeof(*fw_ddb_entry), 315690599b62SManish Rangankar fw_ddb_entry, fw_ddb_entry_dma); 3157b3a271a9SManish Rangankar } 3158b3a271a9SManish Rangankar 3159b3a271a9SManish Rangankar static struct iscsi_cls_conn * 3160b3a271a9SManish Rangankar qla4xxx_conn_create(struct iscsi_cls_session *cls_sess, uint32_t conn_idx) 3161b3a271a9SManish Rangankar { 3162b3a271a9SManish Rangankar struct iscsi_cls_conn *cls_conn; 3163b3a271a9SManish Rangankar struct iscsi_session *sess; 3164b3a271a9SManish Rangankar struct ddb_entry *ddb_entry; 3165c343c5e0SVikas Chaudhary struct scsi_qla_host *ha; 3166b3a271a9SManish Rangankar 3167b3a271a9SManish Rangankar cls_conn = iscsi_conn_setup(cls_sess, sizeof(struct qla_conn), 3168b3a271a9SManish Rangankar conn_idx); 3169c343c5e0SVikas Chaudhary if (!cls_conn) { 3170c343c5e0SVikas Chaudhary pr_info("%s: Can not create connection for conn_idx = %u\n", 3171c343c5e0SVikas Chaudhary __func__, conn_idx); 3172ff1d0319SMike Christie return NULL; 3173c343c5e0SVikas Chaudhary } 3174ff1d0319SMike Christie 3175b3a271a9SManish Rangankar sess = cls_sess->dd_data; 3176b3a271a9SManish Rangankar ddb_entry = sess->dd_data; 3177b3a271a9SManish Rangankar ddb_entry->conn = cls_conn; 3178b3a271a9SManish Rangankar 3179c343c5e0SVikas Chaudhary ha = ddb_entry->ha; 3180c343c5e0SVikas Chaudhary DEBUG2(ql4_printk(KERN_INFO, ha, "%s: conn_idx = %u\n", __func__, 3181c343c5e0SVikas Chaudhary conn_idx)); 3182b3a271a9SManish Rangankar return cls_conn; 3183b3a271a9SManish Rangankar } 3184b3a271a9SManish Rangankar 3185b3a271a9SManish Rangankar static int qla4xxx_conn_bind(struct iscsi_cls_session *cls_session, 3186b3a271a9SManish Rangankar struct iscsi_cls_conn *cls_conn, 3187b3a271a9SManish Rangankar uint64_t transport_fd, int is_leading) 3188b3a271a9SManish Rangankar { 3189b3a271a9SManish Rangankar struct iscsi_conn *conn; 3190b3a271a9SManish Rangankar struct qla_conn *qla_conn; 3191b3a271a9SManish Rangankar struct iscsi_endpoint *ep; 3192c343c5e0SVikas Chaudhary struct ddb_entry *ddb_entry; 3193c343c5e0SVikas Chaudhary struct scsi_qla_host *ha; 3194c343c5e0SVikas Chaudhary struct iscsi_session *sess; 3195b3a271a9SManish Rangankar 3196c343c5e0SVikas Chaudhary sess = cls_session->dd_data; 3197c343c5e0SVikas Chaudhary ddb_entry = sess->dd_data; 3198c343c5e0SVikas Chaudhary ha = ddb_entry->ha; 3199c343c5e0SVikas Chaudhary 3200c343c5e0SVikas Chaudhary DEBUG2(ql4_printk(KERN_INFO, ha, "%s: sid = %d, cid = %d\n", __func__, 3201c343c5e0SVikas Chaudhary cls_session->sid, cls_conn->cid)); 3202b3a271a9SManish Rangankar 3203b3a271a9SManish Rangankar if (iscsi_conn_bind(cls_session, cls_conn, is_leading)) 3204b3a271a9SManish Rangankar return -EINVAL; 3205b3a271a9SManish Rangankar ep = iscsi_lookup_endpoint(transport_fd); 3206b3a271a9SManish Rangankar conn = cls_conn->dd_data; 3207b3a271a9SManish Rangankar qla_conn = conn->dd_data; 3208b3a271a9SManish Rangankar qla_conn->qla_ep = ep->dd_data; 3209b3a271a9SManish Rangankar return 0; 3210b3a271a9SManish Rangankar } 3211b3a271a9SManish Rangankar 3212b3a271a9SManish Rangankar static int qla4xxx_conn_start(struct iscsi_cls_conn *cls_conn) 3213b3a271a9SManish Rangankar { 3214b3a271a9SManish Rangankar struct iscsi_cls_session *cls_sess = iscsi_conn_to_session(cls_conn); 3215b3a271a9SManish Rangankar struct iscsi_session *sess; 3216b3a271a9SManish Rangankar struct ddb_entry *ddb_entry; 3217b3a271a9SManish Rangankar struct scsi_qla_host *ha; 321813483730SMike Christie struct dev_db_entry *fw_ddb_entry = NULL; 3219b3a271a9SManish Rangankar dma_addr_t fw_ddb_entry_dma; 3220b3a271a9SManish Rangankar uint32_t mbx_sts = 0; 3221b3a271a9SManish Rangankar int ret = 0; 3222b3a271a9SManish Rangankar int status = QLA_SUCCESS; 3223b3a271a9SManish Rangankar 3224b3a271a9SManish Rangankar sess = cls_sess->dd_data; 3225b3a271a9SManish Rangankar ddb_entry = sess->dd_data; 3226b3a271a9SManish Rangankar ha = ddb_entry->ha; 3227c343c5e0SVikas Chaudhary DEBUG2(ql4_printk(KERN_INFO, ha, "%s: sid = %d, cid = %d\n", __func__, 3228c343c5e0SVikas Chaudhary cls_sess->sid, cls_conn->cid)); 3229b3a271a9SManish Rangankar 323013483730SMike Christie /* Check if we have matching FW DDB, if yes then do not 323113483730SMike Christie * login to this target. This could cause target to logout previous 323213483730SMike Christie * connection 323313483730SMike Christie */ 323413483730SMike Christie ret = qla4xxx_match_fwdb_session(ha, cls_conn); 323513483730SMike Christie if (ret == QLA_SUCCESS) { 323613483730SMike Christie ql4_printk(KERN_INFO, ha, 323713483730SMike Christie "Session already exist in FW.\n"); 323813483730SMike Christie ret = -EEXIST; 323913483730SMike Christie goto exit_conn_start; 324013483730SMike Christie } 324113483730SMike Christie 3242b3a271a9SManish Rangankar fw_ddb_entry = dma_alloc_coherent(&ha->pdev->dev, sizeof(*fw_ddb_entry), 3243b3a271a9SManish Rangankar &fw_ddb_entry_dma, GFP_KERNEL); 3244b3a271a9SManish Rangankar if (!fw_ddb_entry) { 3245b3a271a9SManish Rangankar ql4_printk(KERN_ERR, ha, 3246b3a271a9SManish Rangankar "%s: Unable to allocate dma buffer\n", __func__); 324713483730SMike Christie ret = -ENOMEM; 324813483730SMike Christie goto exit_conn_start; 3249b3a271a9SManish Rangankar } 3250b3a271a9SManish Rangankar 3251b3a271a9SManish Rangankar ret = qla4xxx_set_param_ddbentry(ha, ddb_entry, cls_conn, &mbx_sts); 3252b3a271a9SManish Rangankar if (ret) { 3253b3a271a9SManish Rangankar /* If iscsid is stopped and started then no need to do 3254b3a271a9SManish Rangankar * set param again since ddb state will be already 3255b3a271a9SManish Rangankar * active and FW does not allow set ddb to an 3256b3a271a9SManish Rangankar * active session. 3257b3a271a9SManish Rangankar */ 3258b3a271a9SManish Rangankar if (mbx_sts) 3259b3a271a9SManish Rangankar if (ddb_entry->fw_ddb_device_state == 3260f922da79SManish Rangankar DDB_DS_SESSION_ACTIVE) { 326113483730SMike Christie ddb_entry->unblock_sess(ddb_entry->sess); 3262b3a271a9SManish Rangankar goto exit_set_param; 3263f922da79SManish Rangankar } 3264b3a271a9SManish Rangankar 3265b3a271a9SManish Rangankar ql4_printk(KERN_ERR, ha, "%s: Failed set param for index[%d]\n", 3266b3a271a9SManish Rangankar __func__, ddb_entry->fw_ddb_index); 3267b3a271a9SManish Rangankar goto exit_conn_start; 3268b3a271a9SManish Rangankar } 3269b3a271a9SManish Rangankar 3270b3a271a9SManish Rangankar status = qla4xxx_conn_open(ha, ddb_entry->fw_ddb_index); 3271b3a271a9SManish Rangankar if (status == QLA_ERROR) { 32720e7e8501SManish Rangankar ql4_printk(KERN_ERR, ha, "%s: Login failed: %s\n", __func__, 32730e7e8501SManish Rangankar sess->targetname); 3274b3a271a9SManish Rangankar ret = -EINVAL; 3275b3a271a9SManish Rangankar goto exit_conn_start; 3276b3a271a9SManish Rangankar } 3277b3a271a9SManish Rangankar 327898270ab4SManish Rangankar if (ddb_entry->fw_ddb_device_state == DDB_DS_NO_CONNECTION_ACTIVE) 3279b3a271a9SManish Rangankar ddb_entry->fw_ddb_device_state = DDB_DS_LOGIN_IN_PROCESS; 3280b3a271a9SManish Rangankar 328198270ab4SManish Rangankar DEBUG2(printk(KERN_INFO "%s: DDB state [%d]\n", __func__, 328298270ab4SManish Rangankar ddb_entry->fw_ddb_device_state)); 328398270ab4SManish Rangankar 3284b3a271a9SManish Rangankar exit_set_param: 3285b3a271a9SManish Rangankar ret = 0; 3286b3a271a9SManish Rangankar 3287b3a271a9SManish Rangankar exit_conn_start: 328813483730SMike Christie if (fw_ddb_entry) 3289b3a271a9SManish Rangankar dma_free_coherent(&ha->pdev->dev, sizeof(*fw_ddb_entry), 3290b3a271a9SManish Rangankar fw_ddb_entry, fw_ddb_entry_dma); 3291b3a271a9SManish Rangankar return ret; 3292b3a271a9SManish Rangankar } 3293b3a271a9SManish Rangankar 3294b3a271a9SManish Rangankar static void qla4xxx_conn_destroy(struct iscsi_cls_conn *cls_conn) 3295b3a271a9SManish Rangankar { 3296b3a271a9SManish Rangankar struct iscsi_cls_session *cls_sess = iscsi_conn_to_session(cls_conn); 3297b3a271a9SManish Rangankar struct iscsi_session *sess; 3298b3a271a9SManish Rangankar struct scsi_qla_host *ha; 3299b3a271a9SManish Rangankar struct ddb_entry *ddb_entry; 3300b3a271a9SManish Rangankar int options; 3301b3a271a9SManish Rangankar 3302b3a271a9SManish Rangankar sess = cls_sess->dd_data; 3303b3a271a9SManish Rangankar ddb_entry = sess->dd_data; 3304b3a271a9SManish Rangankar ha = ddb_entry->ha; 3305c343c5e0SVikas Chaudhary DEBUG2(ql4_printk(KERN_INFO, ha, "%s: cid = %d\n", __func__, 3306c343c5e0SVikas Chaudhary cls_conn->cid)); 3307b3a271a9SManish Rangankar 3308b3a271a9SManish Rangankar options = LOGOUT_OPTION_CLOSE_SESSION; 3309b3a271a9SManish Rangankar if (qla4xxx_session_logout_ddb(ha, ddb_entry, options) == QLA_ERROR) 3310b3a271a9SManish Rangankar ql4_printk(KERN_ERR, ha, "%s: Logout failed\n", __func__); 3311b3a271a9SManish Rangankar } 3312b3a271a9SManish Rangankar 3313b3a271a9SManish Rangankar static void qla4xxx_task_work(struct work_struct *wdata) 3314b3a271a9SManish Rangankar { 3315b3a271a9SManish Rangankar struct ql4_task_data *task_data; 3316b3a271a9SManish Rangankar struct scsi_qla_host *ha; 3317b3a271a9SManish Rangankar struct passthru_status *sts; 3318b3a271a9SManish Rangankar struct iscsi_task *task; 3319b3a271a9SManish Rangankar struct iscsi_hdr *hdr; 3320b3a271a9SManish Rangankar uint8_t *data; 3321b3a271a9SManish Rangankar uint32_t data_len; 3322b3a271a9SManish Rangankar struct iscsi_conn *conn; 3323b3a271a9SManish Rangankar int hdr_len; 3324b3a271a9SManish Rangankar itt_t itt; 3325b3a271a9SManish Rangankar 3326b3a271a9SManish Rangankar task_data = container_of(wdata, struct ql4_task_data, task_work); 3327b3a271a9SManish Rangankar ha = task_data->ha; 3328b3a271a9SManish Rangankar task = task_data->task; 3329b3a271a9SManish Rangankar sts = &task_data->sts; 3330b3a271a9SManish Rangankar hdr_len = sizeof(struct iscsi_hdr); 3331b3a271a9SManish Rangankar 3332b3a271a9SManish Rangankar DEBUG3(printk(KERN_INFO "Status returned\n")); 3333b3a271a9SManish Rangankar DEBUG3(qla4xxx_dump_buffer(sts, 64)); 3334b3a271a9SManish Rangankar DEBUG3(printk(KERN_INFO "Response buffer")); 3335b3a271a9SManish Rangankar DEBUG3(qla4xxx_dump_buffer(task_data->resp_buffer, 64)); 3336b3a271a9SManish Rangankar 3337b3a271a9SManish Rangankar conn = task->conn; 3338b3a271a9SManish Rangankar 3339b3a271a9SManish Rangankar switch (sts->completionStatus) { 3340b3a271a9SManish Rangankar case PASSTHRU_STATUS_COMPLETE: 3341b3a271a9SManish Rangankar hdr = (struct iscsi_hdr *)task_data->resp_buffer; 3342b3a271a9SManish Rangankar /* Assign back the itt in hdr, until we use the PREASSIGN_TAG */ 3343b3a271a9SManish Rangankar itt = sts->handle; 3344b3a271a9SManish Rangankar hdr->itt = itt; 3345b3a271a9SManish Rangankar data = task_data->resp_buffer + hdr_len; 3346b3a271a9SManish Rangankar data_len = task_data->resp_len - hdr_len; 3347b3a271a9SManish Rangankar iscsi_complete_pdu(conn, hdr, data, data_len); 3348b3a271a9SManish Rangankar break; 3349b3a271a9SManish Rangankar default: 3350b3a271a9SManish Rangankar ql4_printk(KERN_ERR, ha, "Passthru failed status = 0x%x\n", 3351b3a271a9SManish Rangankar sts->completionStatus); 3352b3a271a9SManish Rangankar break; 3353b3a271a9SManish Rangankar } 3354b3a271a9SManish Rangankar return; 3355b3a271a9SManish Rangankar } 3356b3a271a9SManish Rangankar 3357b3a271a9SManish Rangankar static int qla4xxx_alloc_pdu(struct iscsi_task *task, uint8_t opcode) 3358b3a271a9SManish Rangankar { 3359b3a271a9SManish Rangankar struct ql4_task_data *task_data; 3360b3a271a9SManish Rangankar struct iscsi_session *sess; 3361b3a271a9SManish Rangankar struct ddb_entry *ddb_entry; 3362b3a271a9SManish Rangankar struct scsi_qla_host *ha; 3363b3a271a9SManish Rangankar int hdr_len; 3364b3a271a9SManish Rangankar 3365b3a271a9SManish Rangankar sess = task->conn->session; 3366b3a271a9SManish Rangankar ddb_entry = sess->dd_data; 3367b3a271a9SManish Rangankar ha = ddb_entry->ha; 3368b3a271a9SManish Rangankar task_data = task->dd_data; 3369b3a271a9SManish Rangankar memset(task_data, 0, sizeof(struct ql4_task_data)); 3370b3a271a9SManish Rangankar 3371b3a271a9SManish Rangankar if (task->sc) { 3372b3a271a9SManish Rangankar ql4_printk(KERN_INFO, ha, 3373b3a271a9SManish Rangankar "%s: SCSI Commands not implemented\n", __func__); 3374b3a271a9SManish Rangankar return -EINVAL; 3375b3a271a9SManish Rangankar } 3376b3a271a9SManish Rangankar 3377b3a271a9SManish Rangankar hdr_len = sizeof(struct iscsi_hdr); 3378b3a271a9SManish Rangankar task_data->ha = ha; 3379b3a271a9SManish Rangankar task_data->task = task; 3380b3a271a9SManish Rangankar 3381b3a271a9SManish Rangankar if (task->data_count) { 3382b3a271a9SManish Rangankar task_data->data_dma = dma_map_single(&ha->pdev->dev, task->data, 3383b3a271a9SManish Rangankar task->data_count, 3384ec44a676SChristoph Hellwig DMA_TO_DEVICE); 3385b3a271a9SManish Rangankar } 3386b3a271a9SManish Rangankar 3387b3a271a9SManish Rangankar DEBUG2(ql4_printk(KERN_INFO, ha, "%s: MaxRecvLen %u, iscsi hrd %d\n", 3388b3a271a9SManish Rangankar __func__, task->conn->max_recv_dlength, hdr_len)); 3389b3a271a9SManish Rangankar 339069ca216eSManish Rangankar task_data->resp_len = task->conn->max_recv_dlength + hdr_len; 3391b3a271a9SManish Rangankar task_data->resp_buffer = dma_alloc_coherent(&ha->pdev->dev, 3392b3a271a9SManish Rangankar task_data->resp_len, 3393b3a271a9SManish Rangankar &task_data->resp_dma, 3394b3a271a9SManish Rangankar GFP_ATOMIC); 3395b3a271a9SManish Rangankar if (!task_data->resp_buffer) 3396b3a271a9SManish Rangankar goto exit_alloc_pdu; 3397b3a271a9SManish Rangankar 339869ca216eSManish Rangankar task_data->req_len = task->data_count + hdr_len; 3399b3a271a9SManish Rangankar task_data->req_buffer = dma_alloc_coherent(&ha->pdev->dev, 340069ca216eSManish Rangankar task_data->req_len, 3401b3a271a9SManish Rangankar &task_data->req_dma, 3402b3a271a9SManish Rangankar GFP_ATOMIC); 3403b3a271a9SManish Rangankar if (!task_data->req_buffer) 3404b3a271a9SManish Rangankar goto exit_alloc_pdu; 3405b3a271a9SManish Rangankar 3406b3a271a9SManish Rangankar task->hdr = task_data->req_buffer; 3407b3a271a9SManish Rangankar 3408b3a271a9SManish Rangankar INIT_WORK(&task_data->task_work, qla4xxx_task_work); 3409b3a271a9SManish Rangankar 3410b3a271a9SManish Rangankar return 0; 3411b3a271a9SManish Rangankar 3412b3a271a9SManish Rangankar exit_alloc_pdu: 3413b3a271a9SManish Rangankar if (task_data->resp_buffer) 3414b3a271a9SManish Rangankar dma_free_coherent(&ha->pdev->dev, task_data->resp_len, 3415b3a271a9SManish Rangankar task_data->resp_buffer, task_data->resp_dma); 3416b3a271a9SManish Rangankar 3417b3a271a9SManish Rangankar if (task_data->req_buffer) 341869ca216eSManish Rangankar dma_free_coherent(&ha->pdev->dev, task_data->req_len, 3419b3a271a9SManish Rangankar task_data->req_buffer, task_data->req_dma); 3420b3a271a9SManish Rangankar return -ENOMEM; 3421b3a271a9SManish Rangankar } 3422b3a271a9SManish Rangankar 3423b3a271a9SManish Rangankar static void qla4xxx_task_cleanup(struct iscsi_task *task) 3424b3a271a9SManish Rangankar { 3425b3a271a9SManish Rangankar struct ql4_task_data *task_data; 3426b3a271a9SManish Rangankar struct iscsi_session *sess; 3427b3a271a9SManish Rangankar struct ddb_entry *ddb_entry; 3428b3a271a9SManish Rangankar struct scsi_qla_host *ha; 3429b3a271a9SManish Rangankar int hdr_len; 3430b3a271a9SManish Rangankar 3431b3a271a9SManish Rangankar hdr_len = sizeof(struct iscsi_hdr); 3432b3a271a9SManish Rangankar sess = task->conn->session; 3433b3a271a9SManish Rangankar ddb_entry = sess->dd_data; 3434b3a271a9SManish Rangankar ha = ddb_entry->ha; 3435b3a271a9SManish Rangankar task_data = task->dd_data; 3436b3a271a9SManish Rangankar 3437b3a271a9SManish Rangankar if (task->data_count) { 3438b3a271a9SManish Rangankar dma_unmap_single(&ha->pdev->dev, task_data->data_dma, 3439ec44a676SChristoph Hellwig task->data_count, DMA_TO_DEVICE); 3440b3a271a9SManish Rangankar } 3441b3a271a9SManish Rangankar 3442b3a271a9SManish Rangankar DEBUG2(ql4_printk(KERN_INFO, ha, "%s: MaxRecvLen %u, iscsi hrd %d\n", 3443b3a271a9SManish Rangankar __func__, task->conn->max_recv_dlength, hdr_len)); 3444b3a271a9SManish Rangankar 3445b3a271a9SManish Rangankar dma_free_coherent(&ha->pdev->dev, task_data->resp_len, 3446b3a271a9SManish Rangankar task_data->resp_buffer, task_data->resp_dma); 344769ca216eSManish Rangankar dma_free_coherent(&ha->pdev->dev, task_data->req_len, 3448b3a271a9SManish Rangankar task_data->req_buffer, task_data->req_dma); 3449b3a271a9SManish Rangankar return; 3450b3a271a9SManish Rangankar } 3451b3a271a9SManish Rangankar 3452b3a271a9SManish Rangankar static int qla4xxx_task_xmit(struct iscsi_task *task) 3453b3a271a9SManish Rangankar { 3454b3a271a9SManish Rangankar struct scsi_cmnd *sc = task->sc; 3455b3a271a9SManish Rangankar struct iscsi_session *sess = task->conn->session; 3456b3a271a9SManish Rangankar struct ddb_entry *ddb_entry = sess->dd_data; 3457b3a271a9SManish Rangankar struct scsi_qla_host *ha = ddb_entry->ha; 3458b3a271a9SManish Rangankar 3459b3a271a9SManish Rangankar if (!sc) 3460b3a271a9SManish Rangankar return qla4xxx_send_passthru0(task); 3461b3a271a9SManish Rangankar 3462b3a271a9SManish Rangankar ql4_printk(KERN_INFO, ha, "%s: scsi cmd xmit not implemented\n", 3463b3a271a9SManish Rangankar __func__); 3464b3a271a9SManish Rangankar return -ENOSYS; 3465b3a271a9SManish Rangankar } 3466b3a271a9SManish Rangankar 34671e9e2be3SAdheer Chandravanshi static int qla4xxx_copy_from_fwddb_param(struct iscsi_bus_flash_session *sess, 34681e9e2be3SAdheer Chandravanshi struct iscsi_bus_flash_conn *conn, 34691e9e2be3SAdheer Chandravanshi struct dev_db_entry *fw_ddb_entry) 34701e9e2be3SAdheer Chandravanshi { 34711e9e2be3SAdheer Chandravanshi unsigned long options = 0; 34721e9e2be3SAdheer Chandravanshi int rc = 0; 34731e9e2be3SAdheer Chandravanshi 34741e9e2be3SAdheer Chandravanshi options = le16_to_cpu(fw_ddb_entry->options); 34751e9e2be3SAdheer Chandravanshi conn->is_fw_assigned_ipv6 = test_bit(OPT_IS_FW_ASSIGNED_IPV6, &options); 34761e9e2be3SAdheer Chandravanshi if (test_bit(OPT_IPV6_DEVICE, &options)) { 3477c962c18bSAdheer Chandravanshi rc = iscsi_switch_str_param(&sess->portal_type, 3478c962c18bSAdheer Chandravanshi PORTAL_TYPE_IPV6); 34791e9e2be3SAdheer Chandravanshi if (rc) 34801e9e2be3SAdheer Chandravanshi goto exit_copy; 34811e9e2be3SAdheer Chandravanshi } else { 3482c962c18bSAdheer Chandravanshi rc = iscsi_switch_str_param(&sess->portal_type, 3483c962c18bSAdheer Chandravanshi PORTAL_TYPE_IPV4); 34841e9e2be3SAdheer Chandravanshi if (rc) 34851e9e2be3SAdheer Chandravanshi goto exit_copy; 34861e9e2be3SAdheer Chandravanshi } 34871e9e2be3SAdheer Chandravanshi 34881e9e2be3SAdheer Chandravanshi sess->auto_snd_tgt_disable = test_bit(OPT_AUTO_SENDTGTS_DISABLE, 34891e9e2be3SAdheer Chandravanshi &options); 34901e9e2be3SAdheer Chandravanshi sess->discovery_sess = test_bit(OPT_DISC_SESSION, &options); 34911e9e2be3SAdheer Chandravanshi sess->entry_state = test_bit(OPT_ENTRY_STATE, &options); 34921e9e2be3SAdheer Chandravanshi 34931e9e2be3SAdheer Chandravanshi options = le16_to_cpu(fw_ddb_entry->iscsi_options); 34941e9e2be3SAdheer Chandravanshi conn->hdrdgst_en = test_bit(ISCSIOPT_HEADER_DIGEST_EN, &options); 34951e9e2be3SAdheer Chandravanshi conn->datadgst_en = test_bit(ISCSIOPT_DATA_DIGEST_EN, &options); 34961e9e2be3SAdheer Chandravanshi sess->imm_data_en = test_bit(ISCSIOPT_IMMEDIATE_DATA_EN, &options); 34971e9e2be3SAdheer Chandravanshi sess->initial_r2t_en = test_bit(ISCSIOPT_INITIAL_R2T_EN, &options); 34981e9e2be3SAdheer Chandravanshi sess->dataseq_inorder_en = test_bit(ISCSIOPT_DATA_SEQ_IN_ORDER, 34991e9e2be3SAdheer Chandravanshi &options); 35001e9e2be3SAdheer Chandravanshi sess->pdu_inorder_en = test_bit(ISCSIOPT_DATA_PDU_IN_ORDER, &options); 35011e9e2be3SAdheer Chandravanshi sess->chap_auth_en = test_bit(ISCSIOPT_CHAP_AUTH_EN, &options); 35021e9e2be3SAdheer Chandravanshi conn->snack_req_en = test_bit(ISCSIOPT_SNACK_REQ_EN, &options); 35031e9e2be3SAdheer Chandravanshi sess->discovery_logout_en = test_bit(ISCSIOPT_DISCOVERY_LOGOUT_EN, 35041e9e2be3SAdheer Chandravanshi &options); 35051e9e2be3SAdheer Chandravanshi sess->bidi_chap_en = test_bit(ISCSIOPT_BIDI_CHAP_EN, &options); 35061e9e2be3SAdheer Chandravanshi sess->discovery_auth_optional = 35071e9e2be3SAdheer Chandravanshi test_bit(ISCSIOPT_DISCOVERY_AUTH_OPTIONAL, &options); 35081e9e2be3SAdheer Chandravanshi if (test_bit(ISCSIOPT_ERL1, &options)) 35091e9e2be3SAdheer Chandravanshi sess->erl |= BIT_1; 35101e9e2be3SAdheer Chandravanshi if (test_bit(ISCSIOPT_ERL0, &options)) 35111e9e2be3SAdheer Chandravanshi sess->erl |= BIT_0; 35121e9e2be3SAdheer Chandravanshi 35131e9e2be3SAdheer Chandravanshi options = le16_to_cpu(fw_ddb_entry->tcp_options); 35141e9e2be3SAdheer Chandravanshi conn->tcp_timestamp_stat = test_bit(TCPOPT_TIMESTAMP_STAT, &options); 35151e9e2be3SAdheer Chandravanshi conn->tcp_nagle_disable = test_bit(TCPOPT_NAGLE_DISABLE, &options); 35161e9e2be3SAdheer Chandravanshi conn->tcp_wsf_disable = test_bit(TCPOPT_WSF_DISABLE, &options); 35171e9e2be3SAdheer Chandravanshi if (test_bit(TCPOPT_TIMER_SCALE3, &options)) 35181e9e2be3SAdheer Chandravanshi conn->tcp_timer_scale |= BIT_3; 35191e9e2be3SAdheer Chandravanshi if (test_bit(TCPOPT_TIMER_SCALE2, &options)) 35201e9e2be3SAdheer Chandravanshi conn->tcp_timer_scale |= BIT_2; 35211e9e2be3SAdheer Chandravanshi if (test_bit(TCPOPT_TIMER_SCALE1, &options)) 35221e9e2be3SAdheer Chandravanshi conn->tcp_timer_scale |= BIT_1; 35231e9e2be3SAdheer Chandravanshi 35241e9e2be3SAdheer Chandravanshi conn->tcp_timer_scale >>= 1; 35251e9e2be3SAdheer Chandravanshi conn->tcp_timestamp_en = test_bit(TCPOPT_TIMESTAMP_EN, &options); 35261e9e2be3SAdheer Chandravanshi 35271e9e2be3SAdheer Chandravanshi options = le16_to_cpu(fw_ddb_entry->ip_options); 35281e9e2be3SAdheer Chandravanshi conn->fragment_disable = test_bit(IPOPT_FRAGMENT_DISABLE, &options); 35291e9e2be3SAdheer Chandravanshi 35301e9e2be3SAdheer Chandravanshi conn->max_recv_dlength = BYTE_UNITS * 35311e9e2be3SAdheer Chandravanshi le16_to_cpu(fw_ddb_entry->iscsi_max_rcv_data_seg_len); 35321e9e2be3SAdheer Chandravanshi conn->max_xmit_dlength = BYTE_UNITS * 35331e9e2be3SAdheer Chandravanshi le16_to_cpu(fw_ddb_entry->iscsi_max_snd_data_seg_len); 35341e9e2be3SAdheer Chandravanshi sess->first_burst = BYTE_UNITS * 35351e9e2be3SAdheer Chandravanshi le16_to_cpu(fw_ddb_entry->iscsi_first_burst_len); 35361e9e2be3SAdheer Chandravanshi sess->max_burst = BYTE_UNITS * 35371e9e2be3SAdheer Chandravanshi le16_to_cpu(fw_ddb_entry->iscsi_max_burst_len); 35381e9e2be3SAdheer Chandravanshi sess->max_r2t = le16_to_cpu(fw_ddb_entry->iscsi_max_outsnd_r2t); 35391e9e2be3SAdheer Chandravanshi sess->time2wait = le16_to_cpu(fw_ddb_entry->iscsi_def_time2wait); 35401e9e2be3SAdheer Chandravanshi sess->time2retain = le16_to_cpu(fw_ddb_entry->iscsi_def_time2retain); 35411e9e2be3SAdheer Chandravanshi sess->tpgt = le32_to_cpu(fw_ddb_entry->tgt_portal_grp); 35421e9e2be3SAdheer Chandravanshi conn->max_segment_size = le16_to_cpu(fw_ddb_entry->mss); 35431e9e2be3SAdheer Chandravanshi conn->tcp_xmit_wsf = fw_ddb_entry->tcp_xmt_wsf; 35441e9e2be3SAdheer Chandravanshi conn->tcp_recv_wsf = fw_ddb_entry->tcp_rcv_wsf; 35451e9e2be3SAdheer Chandravanshi conn->ipv6_flow_label = le16_to_cpu(fw_ddb_entry->ipv6_flow_lbl); 35461e9e2be3SAdheer Chandravanshi conn->keepalive_timeout = le16_to_cpu(fw_ddb_entry->ka_timeout); 35471e9e2be3SAdheer Chandravanshi conn->local_port = le16_to_cpu(fw_ddb_entry->lcl_port); 35481e9e2be3SAdheer Chandravanshi conn->statsn = le32_to_cpu(fw_ddb_entry->stat_sn); 35491e9e2be3SAdheer Chandravanshi conn->exp_statsn = le32_to_cpu(fw_ddb_entry->exp_stat_sn); 35501e9e2be3SAdheer Chandravanshi sess->discovery_parent_idx = le16_to_cpu(fw_ddb_entry->ddb_link); 35511e9e2be3SAdheer Chandravanshi sess->discovery_parent_type = le16_to_cpu(fw_ddb_entry->ddb_link); 35521e9e2be3SAdheer Chandravanshi sess->chap_out_idx = le16_to_cpu(fw_ddb_entry->chap_tbl_idx); 35531e9e2be3SAdheer Chandravanshi sess->tsid = le16_to_cpu(fw_ddb_entry->tsid); 35541e9e2be3SAdheer Chandravanshi 35551e9e2be3SAdheer Chandravanshi sess->default_taskmgmt_timeout = 35561e9e2be3SAdheer Chandravanshi le16_to_cpu(fw_ddb_entry->def_timeout); 35571e9e2be3SAdheer Chandravanshi conn->port = le16_to_cpu(fw_ddb_entry->port); 35581e9e2be3SAdheer Chandravanshi 35591e9e2be3SAdheer Chandravanshi options = le16_to_cpu(fw_ddb_entry->options); 35601e9e2be3SAdheer Chandravanshi conn->ipaddress = kzalloc(IPv6_ADDR_LEN, GFP_KERNEL); 35611e9e2be3SAdheer Chandravanshi if (!conn->ipaddress) { 35621e9e2be3SAdheer Chandravanshi rc = -ENOMEM; 35631e9e2be3SAdheer Chandravanshi goto exit_copy; 35641e9e2be3SAdheer Chandravanshi } 35651e9e2be3SAdheer Chandravanshi 35661e9e2be3SAdheer Chandravanshi conn->redirect_ipaddr = kzalloc(IPv6_ADDR_LEN, GFP_KERNEL); 35671e9e2be3SAdheer Chandravanshi if (!conn->redirect_ipaddr) { 35681e9e2be3SAdheer Chandravanshi rc = -ENOMEM; 35691e9e2be3SAdheer Chandravanshi goto exit_copy; 35701e9e2be3SAdheer Chandravanshi } 35711e9e2be3SAdheer Chandravanshi 35721e9e2be3SAdheer Chandravanshi memcpy(conn->ipaddress, fw_ddb_entry->ip_addr, IPv6_ADDR_LEN); 35731e9e2be3SAdheer Chandravanshi memcpy(conn->redirect_ipaddr, fw_ddb_entry->tgt_addr, IPv6_ADDR_LEN); 35741e9e2be3SAdheer Chandravanshi 35751e9e2be3SAdheer Chandravanshi if (test_bit(OPT_IPV6_DEVICE, &options)) { 35761e9e2be3SAdheer Chandravanshi conn->ipv6_traffic_class = fw_ddb_entry->ipv4_tos; 35771e9e2be3SAdheer Chandravanshi 35783d30b439SBenoit Taine conn->link_local_ipv6_addr = kmemdup( 35793d30b439SBenoit Taine fw_ddb_entry->link_local_ipv6_addr, 35803d30b439SBenoit Taine IPv6_ADDR_LEN, GFP_KERNEL); 35811e9e2be3SAdheer Chandravanshi if (!conn->link_local_ipv6_addr) { 35821e9e2be3SAdheer Chandravanshi rc = -ENOMEM; 35831e9e2be3SAdheer Chandravanshi goto exit_copy; 35841e9e2be3SAdheer Chandravanshi } 35851e9e2be3SAdheer Chandravanshi } else { 35861e9e2be3SAdheer Chandravanshi conn->ipv4_tos = fw_ddb_entry->ipv4_tos; 35871e9e2be3SAdheer Chandravanshi } 35881e9e2be3SAdheer Chandravanshi 35891e9e2be3SAdheer Chandravanshi if (fw_ddb_entry->iscsi_name[0]) { 35901e9e2be3SAdheer Chandravanshi rc = iscsi_switch_str_param(&sess->targetname, 35911e9e2be3SAdheer Chandravanshi (char *)fw_ddb_entry->iscsi_name); 35921e9e2be3SAdheer Chandravanshi if (rc) 35931e9e2be3SAdheer Chandravanshi goto exit_copy; 35941e9e2be3SAdheer Chandravanshi } 35951e9e2be3SAdheer Chandravanshi 35961e9e2be3SAdheer Chandravanshi if (fw_ddb_entry->iscsi_alias[0]) { 35971e9e2be3SAdheer Chandravanshi rc = iscsi_switch_str_param(&sess->targetalias, 35981e9e2be3SAdheer Chandravanshi (char *)fw_ddb_entry->iscsi_alias); 35991e9e2be3SAdheer Chandravanshi if (rc) 36001e9e2be3SAdheer Chandravanshi goto exit_copy; 36011e9e2be3SAdheer Chandravanshi } 36021e9e2be3SAdheer Chandravanshi 36031e9e2be3SAdheer Chandravanshi COPY_ISID(sess->isid, fw_ddb_entry->isid); 36041e9e2be3SAdheer Chandravanshi 36051e9e2be3SAdheer Chandravanshi exit_copy: 36061e9e2be3SAdheer Chandravanshi return rc; 36071e9e2be3SAdheer Chandravanshi } 36081e9e2be3SAdheer Chandravanshi 36091e9e2be3SAdheer Chandravanshi static int qla4xxx_copy_to_fwddb_param(struct iscsi_bus_flash_session *sess, 36101e9e2be3SAdheer Chandravanshi struct iscsi_bus_flash_conn *conn, 36111e9e2be3SAdheer Chandravanshi struct dev_db_entry *fw_ddb_entry) 36121e9e2be3SAdheer Chandravanshi { 36131e9e2be3SAdheer Chandravanshi uint16_t options; 36141e9e2be3SAdheer Chandravanshi int rc = 0; 36151e9e2be3SAdheer Chandravanshi 36161e9e2be3SAdheer Chandravanshi options = le16_to_cpu(fw_ddb_entry->options); 36171e9e2be3SAdheer Chandravanshi SET_BITVAL(conn->is_fw_assigned_ipv6, options, BIT_11); 3618c962c18bSAdheer Chandravanshi if (!strncmp(sess->portal_type, PORTAL_TYPE_IPV6, 4)) 36191e9e2be3SAdheer Chandravanshi options |= BIT_8; 36201e9e2be3SAdheer Chandravanshi else 36211e9e2be3SAdheer Chandravanshi options &= ~BIT_8; 36221e9e2be3SAdheer Chandravanshi 36231e9e2be3SAdheer Chandravanshi SET_BITVAL(sess->auto_snd_tgt_disable, options, BIT_6); 36241e9e2be3SAdheer Chandravanshi SET_BITVAL(sess->discovery_sess, options, BIT_4); 36251e9e2be3SAdheer Chandravanshi SET_BITVAL(sess->entry_state, options, BIT_3); 36261e9e2be3SAdheer Chandravanshi fw_ddb_entry->options = cpu_to_le16(options); 36271e9e2be3SAdheer Chandravanshi 36281e9e2be3SAdheer Chandravanshi options = le16_to_cpu(fw_ddb_entry->iscsi_options); 36291e9e2be3SAdheer Chandravanshi SET_BITVAL(conn->hdrdgst_en, options, BIT_13); 36301e9e2be3SAdheer Chandravanshi SET_BITVAL(conn->datadgst_en, options, BIT_12); 36311e9e2be3SAdheer Chandravanshi SET_BITVAL(sess->imm_data_en, options, BIT_11); 36321e9e2be3SAdheer Chandravanshi SET_BITVAL(sess->initial_r2t_en, options, BIT_10); 36331e9e2be3SAdheer Chandravanshi SET_BITVAL(sess->dataseq_inorder_en, options, BIT_9); 36341e9e2be3SAdheer Chandravanshi SET_BITVAL(sess->pdu_inorder_en, options, BIT_8); 36351e9e2be3SAdheer Chandravanshi SET_BITVAL(sess->chap_auth_en, options, BIT_7); 36361e9e2be3SAdheer Chandravanshi SET_BITVAL(conn->snack_req_en, options, BIT_6); 36371e9e2be3SAdheer Chandravanshi SET_BITVAL(sess->discovery_logout_en, options, BIT_5); 36381e9e2be3SAdheer Chandravanshi SET_BITVAL(sess->bidi_chap_en, options, BIT_4); 36391e9e2be3SAdheer Chandravanshi SET_BITVAL(sess->discovery_auth_optional, options, BIT_3); 36401e9e2be3SAdheer Chandravanshi SET_BITVAL(sess->erl & BIT_1, options, BIT_1); 36411e9e2be3SAdheer Chandravanshi SET_BITVAL(sess->erl & BIT_0, options, BIT_0); 36421e9e2be3SAdheer Chandravanshi fw_ddb_entry->iscsi_options = cpu_to_le16(options); 36431e9e2be3SAdheer Chandravanshi 36441e9e2be3SAdheer Chandravanshi options = le16_to_cpu(fw_ddb_entry->tcp_options); 36451e9e2be3SAdheer Chandravanshi SET_BITVAL(conn->tcp_timestamp_stat, options, BIT_6); 36461e9e2be3SAdheer Chandravanshi SET_BITVAL(conn->tcp_nagle_disable, options, BIT_5); 36471e9e2be3SAdheer Chandravanshi SET_BITVAL(conn->tcp_wsf_disable, options, BIT_4); 36481e9e2be3SAdheer Chandravanshi SET_BITVAL(conn->tcp_timer_scale & BIT_2, options, BIT_3); 36491e9e2be3SAdheer Chandravanshi SET_BITVAL(conn->tcp_timer_scale & BIT_1, options, BIT_2); 36501e9e2be3SAdheer Chandravanshi SET_BITVAL(conn->tcp_timer_scale & BIT_0, options, BIT_1); 36511e9e2be3SAdheer Chandravanshi SET_BITVAL(conn->tcp_timestamp_en, options, BIT_0); 36521e9e2be3SAdheer Chandravanshi fw_ddb_entry->tcp_options = cpu_to_le16(options); 36531e9e2be3SAdheer Chandravanshi 36541e9e2be3SAdheer Chandravanshi options = le16_to_cpu(fw_ddb_entry->ip_options); 36551e9e2be3SAdheer Chandravanshi SET_BITVAL(conn->fragment_disable, options, BIT_4); 36561e9e2be3SAdheer Chandravanshi fw_ddb_entry->ip_options = cpu_to_le16(options); 36571e9e2be3SAdheer Chandravanshi 36581e9e2be3SAdheer Chandravanshi fw_ddb_entry->iscsi_max_outsnd_r2t = cpu_to_le16(sess->max_r2t); 36591e9e2be3SAdheer Chandravanshi fw_ddb_entry->iscsi_max_rcv_data_seg_len = 36601e9e2be3SAdheer Chandravanshi cpu_to_le16(conn->max_recv_dlength / BYTE_UNITS); 36611e9e2be3SAdheer Chandravanshi fw_ddb_entry->iscsi_max_snd_data_seg_len = 36621e9e2be3SAdheer Chandravanshi cpu_to_le16(conn->max_xmit_dlength / BYTE_UNITS); 36631e9e2be3SAdheer Chandravanshi fw_ddb_entry->iscsi_first_burst_len = 36641e9e2be3SAdheer Chandravanshi cpu_to_le16(sess->first_burst / BYTE_UNITS); 36651e9e2be3SAdheer Chandravanshi fw_ddb_entry->iscsi_max_burst_len = cpu_to_le16(sess->max_burst / 36661e9e2be3SAdheer Chandravanshi BYTE_UNITS); 36671e9e2be3SAdheer Chandravanshi fw_ddb_entry->iscsi_def_time2wait = cpu_to_le16(sess->time2wait); 36681e9e2be3SAdheer Chandravanshi fw_ddb_entry->iscsi_def_time2retain = cpu_to_le16(sess->time2retain); 36691e9e2be3SAdheer Chandravanshi fw_ddb_entry->tgt_portal_grp = cpu_to_le16(sess->tpgt); 36701e9e2be3SAdheer Chandravanshi fw_ddb_entry->mss = cpu_to_le16(conn->max_segment_size); 3671fbcd4836SAdheer Chandravanshi fw_ddb_entry->tcp_xmt_wsf = (uint8_t) cpu_to_le32(conn->tcp_xmit_wsf); 3672fbcd4836SAdheer Chandravanshi fw_ddb_entry->tcp_rcv_wsf = (uint8_t) cpu_to_le32(conn->tcp_recv_wsf); 36731e9e2be3SAdheer Chandravanshi fw_ddb_entry->ipv6_flow_lbl = cpu_to_le16(conn->ipv6_flow_label); 36741e9e2be3SAdheer Chandravanshi fw_ddb_entry->ka_timeout = cpu_to_le16(conn->keepalive_timeout); 36751e9e2be3SAdheer Chandravanshi fw_ddb_entry->lcl_port = cpu_to_le16(conn->local_port); 3676fbcd4836SAdheer Chandravanshi fw_ddb_entry->stat_sn = cpu_to_le32(conn->statsn); 3677fbcd4836SAdheer Chandravanshi fw_ddb_entry->exp_stat_sn = cpu_to_le32(conn->exp_statsn); 367865560166SAdheer Chandravanshi fw_ddb_entry->ddb_link = cpu_to_le16(sess->discovery_parent_idx); 36791e9e2be3SAdheer Chandravanshi fw_ddb_entry->chap_tbl_idx = cpu_to_le16(sess->chap_out_idx); 36801e9e2be3SAdheer Chandravanshi fw_ddb_entry->tsid = cpu_to_le16(sess->tsid); 36811e9e2be3SAdheer Chandravanshi fw_ddb_entry->port = cpu_to_le16(conn->port); 36821e9e2be3SAdheer Chandravanshi fw_ddb_entry->def_timeout = 36831e9e2be3SAdheer Chandravanshi cpu_to_le16(sess->default_taskmgmt_timeout); 36841e9e2be3SAdheer Chandravanshi 368584595802SAdheer Chandravanshi if (!strncmp(sess->portal_type, PORTAL_TYPE_IPV6, 4)) 368684595802SAdheer Chandravanshi fw_ddb_entry->ipv4_tos = conn->ipv6_traffic_class; 368784595802SAdheer Chandravanshi else 368884595802SAdheer Chandravanshi fw_ddb_entry->ipv4_tos = conn->ipv4_tos; 368984595802SAdheer Chandravanshi 36901e9e2be3SAdheer Chandravanshi if (conn->ipaddress) 36911e9e2be3SAdheer Chandravanshi memcpy(fw_ddb_entry->ip_addr, conn->ipaddress, 36921e9e2be3SAdheer Chandravanshi sizeof(fw_ddb_entry->ip_addr)); 36931e9e2be3SAdheer Chandravanshi 36941e9e2be3SAdheer Chandravanshi if (conn->redirect_ipaddr) 36951e9e2be3SAdheer Chandravanshi memcpy(fw_ddb_entry->tgt_addr, conn->redirect_ipaddr, 36961e9e2be3SAdheer Chandravanshi sizeof(fw_ddb_entry->tgt_addr)); 36971e9e2be3SAdheer Chandravanshi 36981e9e2be3SAdheer Chandravanshi if (conn->link_local_ipv6_addr) 36991e9e2be3SAdheer Chandravanshi memcpy(fw_ddb_entry->link_local_ipv6_addr, 37001e9e2be3SAdheer Chandravanshi conn->link_local_ipv6_addr, 37011e9e2be3SAdheer Chandravanshi sizeof(fw_ddb_entry->link_local_ipv6_addr)); 37021e9e2be3SAdheer Chandravanshi 37031e9e2be3SAdheer Chandravanshi if (sess->targetname) 37041e9e2be3SAdheer Chandravanshi memcpy(fw_ddb_entry->iscsi_name, sess->targetname, 37051e9e2be3SAdheer Chandravanshi sizeof(fw_ddb_entry->iscsi_name)); 37061e9e2be3SAdheer Chandravanshi 37071e9e2be3SAdheer Chandravanshi if (sess->targetalias) 37081e9e2be3SAdheer Chandravanshi memcpy(fw_ddb_entry->iscsi_alias, sess->targetalias, 37091e9e2be3SAdheer Chandravanshi sizeof(fw_ddb_entry->iscsi_alias)); 37101e9e2be3SAdheer Chandravanshi 37111e9e2be3SAdheer Chandravanshi COPY_ISID(fw_ddb_entry->isid, sess->isid); 37121e9e2be3SAdheer Chandravanshi 37131e9e2be3SAdheer Chandravanshi return rc; 37141e9e2be3SAdheer Chandravanshi } 37151e9e2be3SAdheer Chandravanshi 37168cc91d42SAdheer Chandravanshi static void qla4xxx_copy_to_sess_conn_params(struct iscsi_conn *conn, 37178cc91d42SAdheer Chandravanshi struct iscsi_session *sess, 37188cc91d42SAdheer Chandravanshi struct dev_db_entry *fw_ddb_entry) 37198cc91d42SAdheer Chandravanshi { 37208cc91d42SAdheer Chandravanshi unsigned long options = 0; 37218cc91d42SAdheer Chandravanshi uint16_t ddb_link; 37228cc91d42SAdheer Chandravanshi uint16_t disc_parent; 3723fb734ee3SAdheer Chandravanshi char ip_addr[DDB_IPADDR_LEN]; 37248cc91d42SAdheer Chandravanshi 37258cc91d42SAdheer Chandravanshi options = le16_to_cpu(fw_ddb_entry->options); 37268cc91d42SAdheer Chandravanshi conn->is_fw_assigned_ipv6 = test_bit(OPT_IS_FW_ASSIGNED_IPV6, &options); 37278cc91d42SAdheer Chandravanshi sess->auto_snd_tgt_disable = test_bit(OPT_AUTO_SENDTGTS_DISABLE, 37288cc91d42SAdheer Chandravanshi &options); 37298cc91d42SAdheer Chandravanshi sess->discovery_sess = test_bit(OPT_DISC_SESSION, &options); 37308cc91d42SAdheer Chandravanshi 37318cc91d42SAdheer Chandravanshi options = le16_to_cpu(fw_ddb_entry->iscsi_options); 37328cc91d42SAdheer Chandravanshi conn->hdrdgst_en = test_bit(ISCSIOPT_HEADER_DIGEST_EN, &options); 37338cc91d42SAdheer Chandravanshi conn->datadgst_en = test_bit(ISCSIOPT_DATA_DIGEST_EN, &options); 37348cc91d42SAdheer Chandravanshi sess->imm_data_en = test_bit(ISCSIOPT_IMMEDIATE_DATA_EN, &options); 37358cc91d42SAdheer Chandravanshi sess->initial_r2t_en = test_bit(ISCSIOPT_INITIAL_R2T_EN, &options); 37368cc91d42SAdheer Chandravanshi sess->dataseq_inorder_en = test_bit(ISCSIOPT_DATA_SEQ_IN_ORDER, 37378cc91d42SAdheer Chandravanshi &options); 37388cc91d42SAdheer Chandravanshi sess->pdu_inorder_en = test_bit(ISCSIOPT_DATA_PDU_IN_ORDER, &options); 37398cc91d42SAdheer Chandravanshi sess->chap_auth_en = test_bit(ISCSIOPT_CHAP_AUTH_EN, &options); 37408cc91d42SAdheer Chandravanshi sess->discovery_logout_en = test_bit(ISCSIOPT_DISCOVERY_LOGOUT_EN, 37418cc91d42SAdheer Chandravanshi &options); 37428cc91d42SAdheer Chandravanshi sess->bidi_chap_en = test_bit(ISCSIOPT_BIDI_CHAP_EN, &options); 37438cc91d42SAdheer Chandravanshi sess->discovery_auth_optional = 37448cc91d42SAdheer Chandravanshi test_bit(ISCSIOPT_DISCOVERY_AUTH_OPTIONAL, &options); 37458cc91d42SAdheer Chandravanshi if (test_bit(ISCSIOPT_ERL1, &options)) 37468cc91d42SAdheer Chandravanshi sess->erl |= BIT_1; 37478cc91d42SAdheer Chandravanshi if (test_bit(ISCSIOPT_ERL0, &options)) 37488cc91d42SAdheer Chandravanshi sess->erl |= BIT_0; 37498cc91d42SAdheer Chandravanshi 37508cc91d42SAdheer Chandravanshi options = le16_to_cpu(fw_ddb_entry->tcp_options); 37518cc91d42SAdheer Chandravanshi conn->tcp_timestamp_stat = test_bit(TCPOPT_TIMESTAMP_STAT, &options); 37528cc91d42SAdheer Chandravanshi conn->tcp_nagle_disable = test_bit(TCPOPT_NAGLE_DISABLE, &options); 37538cc91d42SAdheer Chandravanshi conn->tcp_wsf_disable = test_bit(TCPOPT_WSF_DISABLE, &options); 37548cc91d42SAdheer Chandravanshi if (test_bit(TCPOPT_TIMER_SCALE3, &options)) 37558cc91d42SAdheer Chandravanshi conn->tcp_timer_scale |= BIT_3; 37568cc91d42SAdheer Chandravanshi if (test_bit(TCPOPT_TIMER_SCALE2, &options)) 37578cc91d42SAdheer Chandravanshi conn->tcp_timer_scale |= BIT_2; 37588cc91d42SAdheer Chandravanshi if (test_bit(TCPOPT_TIMER_SCALE1, &options)) 37598cc91d42SAdheer Chandravanshi conn->tcp_timer_scale |= BIT_1; 37608cc91d42SAdheer Chandravanshi 37618cc91d42SAdheer Chandravanshi conn->tcp_timer_scale >>= 1; 37628cc91d42SAdheer Chandravanshi conn->tcp_timestamp_en = test_bit(TCPOPT_TIMESTAMP_EN, &options); 37638cc91d42SAdheer Chandravanshi 37648cc91d42SAdheer Chandravanshi options = le16_to_cpu(fw_ddb_entry->ip_options); 37658cc91d42SAdheer Chandravanshi conn->fragment_disable = test_bit(IPOPT_FRAGMENT_DISABLE, &options); 37668cc91d42SAdheer Chandravanshi 37678cc91d42SAdheer Chandravanshi conn->max_recv_dlength = BYTE_UNITS * 37688cc91d42SAdheer Chandravanshi le16_to_cpu(fw_ddb_entry->iscsi_max_rcv_data_seg_len); 37698cc91d42SAdheer Chandravanshi conn->max_xmit_dlength = BYTE_UNITS * 37708cc91d42SAdheer Chandravanshi le16_to_cpu(fw_ddb_entry->iscsi_max_snd_data_seg_len); 37718cc91d42SAdheer Chandravanshi sess->max_r2t = le16_to_cpu(fw_ddb_entry->iscsi_max_outsnd_r2t); 37728cc91d42SAdheer Chandravanshi sess->first_burst = BYTE_UNITS * 37738cc91d42SAdheer Chandravanshi le16_to_cpu(fw_ddb_entry->iscsi_first_burst_len); 37748cc91d42SAdheer Chandravanshi sess->max_burst = BYTE_UNITS * 37758cc91d42SAdheer Chandravanshi le16_to_cpu(fw_ddb_entry->iscsi_max_burst_len); 37768cc91d42SAdheer Chandravanshi sess->time2wait = le16_to_cpu(fw_ddb_entry->iscsi_def_time2wait); 37778cc91d42SAdheer Chandravanshi sess->time2retain = le16_to_cpu(fw_ddb_entry->iscsi_def_time2retain); 37788cc91d42SAdheer Chandravanshi sess->tpgt = le32_to_cpu(fw_ddb_entry->tgt_portal_grp); 37798cc91d42SAdheer Chandravanshi conn->max_segment_size = le16_to_cpu(fw_ddb_entry->mss); 37808cc91d42SAdheer Chandravanshi conn->tcp_xmit_wsf = fw_ddb_entry->tcp_xmt_wsf; 37818cc91d42SAdheer Chandravanshi conn->tcp_recv_wsf = fw_ddb_entry->tcp_rcv_wsf; 37828cc91d42SAdheer Chandravanshi conn->ipv4_tos = fw_ddb_entry->ipv4_tos; 37838cc91d42SAdheer Chandravanshi conn->keepalive_tmo = le16_to_cpu(fw_ddb_entry->ka_timeout); 37848cc91d42SAdheer Chandravanshi conn->local_port = le16_to_cpu(fw_ddb_entry->lcl_port); 37858cc91d42SAdheer Chandravanshi conn->statsn = le32_to_cpu(fw_ddb_entry->stat_sn); 37868cc91d42SAdheer Chandravanshi conn->exp_statsn = le32_to_cpu(fw_ddb_entry->exp_stat_sn); 37878cc91d42SAdheer Chandravanshi sess->tsid = le16_to_cpu(fw_ddb_entry->tsid); 37888cc91d42SAdheer Chandravanshi COPY_ISID(sess->isid, fw_ddb_entry->isid); 37898cc91d42SAdheer Chandravanshi 37908cc91d42SAdheer Chandravanshi ddb_link = le16_to_cpu(fw_ddb_entry->ddb_link); 37918cc91d42SAdheer Chandravanshi if (ddb_link == DDB_ISNS) 37928cc91d42SAdheer Chandravanshi disc_parent = ISCSI_DISC_PARENT_ISNS; 37938cc91d42SAdheer Chandravanshi else if (ddb_link == DDB_NO_LINK) 37948cc91d42SAdheer Chandravanshi disc_parent = ISCSI_DISC_PARENT_UNKNOWN; 37958cc91d42SAdheer Chandravanshi else if (ddb_link < MAX_DDB_ENTRIES) 37968cc91d42SAdheer Chandravanshi disc_parent = ISCSI_DISC_PARENT_SENDTGT; 37978cc91d42SAdheer Chandravanshi else 37988cc91d42SAdheer Chandravanshi disc_parent = ISCSI_DISC_PARENT_UNKNOWN; 37998cc91d42SAdheer Chandravanshi 38008cc91d42SAdheer Chandravanshi iscsi_set_param(conn->cls_conn, ISCSI_PARAM_DISCOVERY_PARENT_TYPE, 38018cc91d42SAdheer Chandravanshi iscsi_get_discovery_parent_name(disc_parent), 0); 38028cc91d42SAdheer Chandravanshi 38038cc91d42SAdheer Chandravanshi iscsi_set_param(conn->cls_conn, ISCSI_PARAM_TARGET_ALIAS, 38048cc91d42SAdheer Chandravanshi (char *)fw_ddb_entry->iscsi_alias, 0); 3805fb734ee3SAdheer Chandravanshi 3806fb734ee3SAdheer Chandravanshi options = le16_to_cpu(fw_ddb_entry->options); 3807fb734ee3SAdheer Chandravanshi if (options & DDB_OPT_IPV6_DEVICE) { 3808fb734ee3SAdheer Chandravanshi memset(ip_addr, 0, sizeof(ip_addr)); 3809fb734ee3SAdheer Chandravanshi sprintf(ip_addr, "%pI6", fw_ddb_entry->link_local_ipv6_addr); 3810fb734ee3SAdheer Chandravanshi iscsi_set_param(conn->cls_conn, ISCSI_PARAM_LOCAL_IPADDR, 3811fb734ee3SAdheer Chandravanshi (char *)ip_addr, 0); 3812fb734ee3SAdheer Chandravanshi } 38138cc91d42SAdheer Chandravanshi } 38148cc91d42SAdheer Chandravanshi 381513483730SMike Christie static void qla4xxx_copy_fwddb_param(struct scsi_qla_host *ha, 381613483730SMike Christie struct dev_db_entry *fw_ddb_entry, 381713483730SMike Christie struct iscsi_cls_session *cls_sess, 381813483730SMike Christie struct iscsi_cls_conn *cls_conn) 381913483730SMike Christie { 382013483730SMike Christie int buflen = 0; 382113483730SMike Christie struct iscsi_session *sess; 3822376738afSNilesh Javali struct ddb_entry *ddb_entry; 3823946ac571SAdheer Chandravanshi struct ql4_chap_table chap_tbl; 382413483730SMike Christie struct iscsi_conn *conn; 382513483730SMike Christie char ip_addr[DDB_IPADDR_LEN]; 382613483730SMike Christie uint16_t options = 0; 382713483730SMike Christie 382813483730SMike Christie sess = cls_sess->dd_data; 3829376738afSNilesh Javali ddb_entry = sess->dd_data; 383013483730SMike Christie conn = cls_conn->dd_data; 3831946ac571SAdheer Chandravanshi memset(&chap_tbl, 0, sizeof(chap_tbl)); 383213483730SMike Christie 3833376738afSNilesh Javali ddb_entry->chap_tbl_idx = le16_to_cpu(fw_ddb_entry->chap_tbl_idx); 3834376738afSNilesh Javali 38358cc91d42SAdheer Chandravanshi qla4xxx_copy_to_sess_conn_params(conn, sess, fw_ddb_entry); 383613483730SMike Christie 38378cc91d42SAdheer Chandravanshi sess->def_taskmgmt_tmo = le16_to_cpu(fw_ddb_entry->def_timeout); 383813483730SMike Christie conn->persistent_port = le16_to_cpu(fw_ddb_entry->port); 383913483730SMike Christie 38408cc91d42SAdheer Chandravanshi memset(ip_addr, 0, sizeof(ip_addr)); 384113483730SMike Christie options = le16_to_cpu(fw_ddb_entry->options); 38428cc91d42SAdheer Chandravanshi if (options & DDB_OPT_IPV6_DEVICE) { 38438cc91d42SAdheer Chandravanshi iscsi_set_param(cls_conn, ISCSI_PARAM_PORTAL_TYPE, "ipv6", 4); 384413483730SMike Christie 38458cc91d42SAdheer Chandravanshi memset(ip_addr, 0, sizeof(ip_addr)); 38468cc91d42SAdheer Chandravanshi sprintf(ip_addr, "%pI6", fw_ddb_entry->ip_addr); 38478cc91d42SAdheer Chandravanshi } else { 38488cc91d42SAdheer Chandravanshi iscsi_set_param(cls_conn, ISCSI_PARAM_PORTAL_TYPE, "ipv4", 4); 38498cc91d42SAdheer Chandravanshi sprintf(ip_addr, "%pI4", fw_ddb_entry->ip_addr); 38508cc91d42SAdheer Chandravanshi } 38518cc91d42SAdheer Chandravanshi 38528cc91d42SAdheer Chandravanshi iscsi_set_param(cls_conn, ISCSI_PARAM_PERSISTENT_ADDRESS, 38538cc91d42SAdheer Chandravanshi (char *)ip_addr, buflen); 385413483730SMike Christie iscsi_set_param(cls_conn, ISCSI_PARAM_TARGET_NAME, 385513483730SMike Christie (char *)fw_ddb_entry->iscsi_name, buflen); 385613483730SMike Christie iscsi_set_param(cls_conn, ISCSI_PARAM_INITIATOR_NAME, 385713483730SMike Christie (char *)ha->name_string, buflen); 3858946ac571SAdheer Chandravanshi 3859946ac571SAdheer Chandravanshi if (ddb_entry->chap_tbl_idx != INVALID_ENTRY) { 3860946ac571SAdheer Chandravanshi if (!qla4xxx_get_uni_chap_at_index(ha, chap_tbl.name, 3861946ac571SAdheer Chandravanshi chap_tbl.secret, 3862946ac571SAdheer Chandravanshi ddb_entry->chap_tbl_idx)) { 3863946ac571SAdheer Chandravanshi iscsi_set_param(cls_conn, ISCSI_PARAM_USERNAME, 3864946ac571SAdheer Chandravanshi (char *)chap_tbl.name, 3865946ac571SAdheer Chandravanshi strlen((char *)chap_tbl.name)); 3866946ac571SAdheer Chandravanshi iscsi_set_param(cls_conn, ISCSI_PARAM_PASSWORD, 3867946ac571SAdheer Chandravanshi (char *)chap_tbl.secret, 3868946ac571SAdheer Chandravanshi chap_tbl.secret_len); 3869946ac571SAdheer Chandravanshi } 3870946ac571SAdheer Chandravanshi } 387113483730SMike Christie } 387213483730SMike Christie 387313483730SMike Christie void qla4xxx_update_session_conn_fwddb_param(struct scsi_qla_host *ha, 387413483730SMike Christie struct ddb_entry *ddb_entry) 387513483730SMike Christie { 387613483730SMike Christie struct iscsi_cls_session *cls_sess; 387713483730SMike Christie struct iscsi_cls_conn *cls_conn; 387813483730SMike Christie uint32_t ddb_state; 387913483730SMike Christie dma_addr_t fw_ddb_entry_dma; 388013483730SMike Christie struct dev_db_entry *fw_ddb_entry; 388113483730SMike Christie 388213483730SMike Christie fw_ddb_entry = dma_alloc_coherent(&ha->pdev->dev, sizeof(*fw_ddb_entry), 388313483730SMike Christie &fw_ddb_entry_dma, GFP_KERNEL); 388413483730SMike Christie if (!fw_ddb_entry) { 388513483730SMike Christie ql4_printk(KERN_ERR, ha, 388613483730SMike Christie "%s: Unable to allocate dma buffer\n", __func__); 388713483730SMike Christie goto exit_session_conn_fwddb_param; 388813483730SMike Christie } 388913483730SMike Christie 389013483730SMike Christie if (qla4xxx_get_fwddb_entry(ha, ddb_entry->fw_ddb_index, fw_ddb_entry, 389113483730SMike Christie fw_ddb_entry_dma, NULL, NULL, &ddb_state, 389213483730SMike Christie NULL, NULL, NULL) == QLA_ERROR) { 389313483730SMike Christie DEBUG2(ql4_printk(KERN_ERR, ha, "scsi%ld: %s: failed " 389413483730SMike Christie "get_ddb_entry for fw_ddb_index %d\n", 389513483730SMike Christie ha->host_no, __func__, 389613483730SMike Christie ddb_entry->fw_ddb_index)); 389713483730SMike Christie goto exit_session_conn_fwddb_param; 389813483730SMike Christie } 389913483730SMike Christie 390013483730SMike Christie cls_sess = ddb_entry->sess; 390113483730SMike Christie 390213483730SMike Christie cls_conn = ddb_entry->conn; 390313483730SMike Christie 390413483730SMike Christie /* Update params */ 390513483730SMike Christie qla4xxx_copy_fwddb_param(ha, fw_ddb_entry, cls_sess, cls_conn); 390613483730SMike Christie 390713483730SMike Christie exit_session_conn_fwddb_param: 390813483730SMike Christie if (fw_ddb_entry) 390913483730SMike Christie dma_free_coherent(&ha->pdev->dev, sizeof(*fw_ddb_entry), 391013483730SMike Christie fw_ddb_entry, fw_ddb_entry_dma); 391113483730SMike Christie } 391213483730SMike Christie 3913b3a271a9SManish Rangankar void qla4xxx_update_session_conn_param(struct scsi_qla_host *ha, 3914b3a271a9SManish Rangankar struct ddb_entry *ddb_entry) 3915b3a271a9SManish Rangankar { 3916b3a271a9SManish Rangankar struct iscsi_cls_session *cls_sess; 3917b3a271a9SManish Rangankar struct iscsi_cls_conn *cls_conn; 3918b3a271a9SManish Rangankar struct iscsi_session *sess; 3919b3a271a9SManish Rangankar struct iscsi_conn *conn; 3920b3a271a9SManish Rangankar uint32_t ddb_state; 3921b3a271a9SManish Rangankar dma_addr_t fw_ddb_entry_dma; 3922b3a271a9SManish Rangankar struct dev_db_entry *fw_ddb_entry; 3923b3a271a9SManish Rangankar 3924b3a271a9SManish Rangankar fw_ddb_entry = dma_alloc_coherent(&ha->pdev->dev, sizeof(*fw_ddb_entry), 3925b3a271a9SManish Rangankar &fw_ddb_entry_dma, GFP_KERNEL); 3926b3a271a9SManish Rangankar if (!fw_ddb_entry) { 3927b3a271a9SManish Rangankar ql4_printk(KERN_ERR, ha, 3928b3a271a9SManish Rangankar "%s: Unable to allocate dma buffer\n", __func__); 392913483730SMike Christie goto exit_session_conn_param; 3930b3a271a9SManish Rangankar } 3931b3a271a9SManish Rangankar 3932b3a271a9SManish Rangankar if (qla4xxx_get_fwddb_entry(ha, ddb_entry->fw_ddb_index, fw_ddb_entry, 3933b3a271a9SManish Rangankar fw_ddb_entry_dma, NULL, NULL, &ddb_state, 3934b3a271a9SManish Rangankar NULL, NULL, NULL) == QLA_ERROR) { 3935b3a271a9SManish Rangankar DEBUG2(ql4_printk(KERN_ERR, ha, "scsi%ld: %s: failed " 3936b3a271a9SManish Rangankar "get_ddb_entry for fw_ddb_index %d\n", 3937b3a271a9SManish Rangankar ha->host_no, __func__, 3938b3a271a9SManish Rangankar ddb_entry->fw_ddb_index)); 393913483730SMike Christie goto exit_session_conn_param; 3940b3a271a9SManish Rangankar } 3941b3a271a9SManish Rangankar 3942b3a271a9SManish Rangankar cls_sess = ddb_entry->sess; 3943b3a271a9SManish Rangankar sess = cls_sess->dd_data; 3944b3a271a9SManish Rangankar 3945b3a271a9SManish Rangankar cls_conn = ddb_entry->conn; 3946b3a271a9SManish Rangankar conn = cls_conn->dd_data; 3947b3a271a9SManish Rangankar 394813483730SMike Christie /* Update timers after login */ 394913483730SMike Christie ddb_entry->default_relogin_timeout = 3950c28eaacaSNilesh Javali (le16_to_cpu(fw_ddb_entry->def_timeout) > LOGIN_TOV) && 3951c28eaacaSNilesh Javali (le16_to_cpu(fw_ddb_entry->def_timeout) < LOGIN_TOV * 10) ? 3952c28eaacaSNilesh Javali le16_to_cpu(fw_ddb_entry->def_timeout) : LOGIN_TOV; 395313483730SMike Christie ddb_entry->default_time2wait = 395413483730SMike Christie le16_to_cpu(fw_ddb_entry->iscsi_def_time2wait); 395513483730SMike Christie 3956b3a271a9SManish Rangankar /* Update params */ 3957376738afSNilesh Javali ddb_entry->chap_tbl_idx = le16_to_cpu(fw_ddb_entry->chap_tbl_idx); 39588cc91d42SAdheer Chandravanshi qla4xxx_copy_to_sess_conn_params(conn, sess, fw_ddb_entry); 3959b3a271a9SManish Rangankar 3960b3a271a9SManish Rangankar memcpy(sess->initiatorname, ha->name_string, 3961b3a271a9SManish Rangankar min(sizeof(ha->name_string), sizeof(sess->initiatorname))); 396213483730SMike Christie 396313483730SMike Christie exit_session_conn_param: 396413483730SMike Christie if (fw_ddb_entry) 396513483730SMike Christie dma_free_coherent(&ha->pdev->dev, sizeof(*fw_ddb_entry), 396613483730SMike Christie fw_ddb_entry, fw_ddb_entry_dma); 3967b3a271a9SManish Rangankar } 3968b3a271a9SManish Rangankar 3969afaf5a2dSDavid Somayajulu /* 3970afaf5a2dSDavid Somayajulu * Timer routines 3971afaf5a2dSDavid Somayajulu */ 3972d744644aSKees Cook static void qla4xxx_timer(struct timer_list *t); 3973afaf5a2dSDavid Somayajulu 3974d744644aSKees Cook static void qla4xxx_start_timer(struct scsi_qla_host *ha, 3975afaf5a2dSDavid Somayajulu unsigned long interval) 3976afaf5a2dSDavid Somayajulu { 3977afaf5a2dSDavid Somayajulu DEBUG(printk("scsi: %s: Starting timer thread for adapter %d\n", 3978afaf5a2dSDavid Somayajulu __func__, ha->host->host_no)); 3979d744644aSKees Cook timer_setup(&ha->timer, qla4xxx_timer, 0); 3980afaf5a2dSDavid Somayajulu ha->timer.expires = jiffies + interval * HZ; 3981afaf5a2dSDavid Somayajulu add_timer(&ha->timer); 3982afaf5a2dSDavid Somayajulu ha->timer_active = 1; 3983afaf5a2dSDavid Somayajulu } 3984afaf5a2dSDavid Somayajulu 3985afaf5a2dSDavid Somayajulu static void qla4xxx_stop_timer(struct scsi_qla_host *ha) 3986afaf5a2dSDavid Somayajulu { 3987afaf5a2dSDavid Somayajulu del_timer_sync(&ha->timer); 3988afaf5a2dSDavid Somayajulu ha->timer_active = 0; 3989afaf5a2dSDavid Somayajulu } 3990afaf5a2dSDavid Somayajulu 3991afaf5a2dSDavid Somayajulu /*** 3992b3a271a9SManish Rangankar * qla4xxx_mark_device_missing - blocks the session 3993b3a271a9SManish Rangankar * @cls_session: Pointer to the session to be blocked 3994afaf5a2dSDavid Somayajulu * @ddb_entry: Pointer to device database entry 3995afaf5a2dSDavid Somayajulu * 3996f4f5df23SVikas Chaudhary * This routine marks a device missing and close connection. 3997afaf5a2dSDavid Somayajulu **/ 3998b3a271a9SManish Rangankar void qla4xxx_mark_device_missing(struct iscsi_cls_session *cls_session) 3999afaf5a2dSDavid Somayajulu { 4000b3a271a9SManish Rangankar iscsi_block_session(cls_session); 4001afaf5a2dSDavid Somayajulu } 4002afaf5a2dSDavid Somayajulu 4003f4f5df23SVikas Chaudhary /** 4004f4f5df23SVikas Chaudhary * qla4xxx_mark_all_devices_missing - mark all devices as missing. 4005f4f5df23SVikas Chaudhary * @ha: Pointer to host adapter structure. 4006f4f5df23SVikas Chaudhary * 4007f4f5df23SVikas Chaudhary * This routine marks a device missing and resets the relogin retry count. 4008f4f5df23SVikas Chaudhary **/ 4009f4f5df23SVikas Chaudhary void qla4xxx_mark_all_devices_missing(struct scsi_qla_host *ha) 4010f4f5df23SVikas Chaudhary { 4011b3a271a9SManish Rangankar iscsi_host_for_each_session(ha->host, qla4xxx_mark_device_missing); 4012f4f5df23SVikas Chaudhary } 4013f4f5df23SVikas Chaudhary 4014afaf5a2dSDavid Somayajulu static struct srb* qla4xxx_get_new_srb(struct scsi_qla_host *ha, 4015afaf5a2dSDavid Somayajulu struct ddb_entry *ddb_entry, 40168f0722caSVikas Chaudhary struct scsi_cmnd *cmd) 4017afaf5a2dSDavid Somayajulu { 4018afaf5a2dSDavid Somayajulu struct srb *srb; 4019afaf5a2dSDavid Somayajulu 4020afaf5a2dSDavid Somayajulu srb = mempool_alloc(ha->srb_mempool, GFP_ATOMIC); 4021afaf5a2dSDavid Somayajulu if (!srb) 4022afaf5a2dSDavid Somayajulu return srb; 4023afaf5a2dSDavid Somayajulu 402409a0f719SVikas Chaudhary kref_init(&srb->srb_ref); 4025afaf5a2dSDavid Somayajulu srb->ha = ha; 4026afaf5a2dSDavid Somayajulu srb->ddb = ddb_entry; 4027afaf5a2dSDavid Somayajulu srb->cmd = cmd; 4028afaf5a2dSDavid Somayajulu srb->flags = 0; 40295369887aSVikas Chaudhary CMD_SP(cmd) = (void *)srb; 4030afaf5a2dSDavid Somayajulu 4031afaf5a2dSDavid Somayajulu return srb; 4032afaf5a2dSDavid Somayajulu } 4033afaf5a2dSDavid Somayajulu 4034afaf5a2dSDavid Somayajulu static void qla4xxx_srb_free_dma(struct scsi_qla_host *ha, struct srb *srb) 4035afaf5a2dSDavid Somayajulu { 4036afaf5a2dSDavid Somayajulu struct scsi_cmnd *cmd = srb->cmd; 4037afaf5a2dSDavid Somayajulu 4038afaf5a2dSDavid Somayajulu if (srb->flags & SRB_DMA_VALID) { 40395f7186c8SFUJITA Tomonori scsi_dma_unmap(cmd); 4040afaf5a2dSDavid Somayajulu srb->flags &= ~SRB_DMA_VALID; 4041afaf5a2dSDavid Somayajulu } 40425369887aSVikas Chaudhary CMD_SP(cmd) = NULL; 4043afaf5a2dSDavid Somayajulu } 4044afaf5a2dSDavid Somayajulu 404509a0f719SVikas Chaudhary void qla4xxx_srb_compl(struct kref *ref) 4046afaf5a2dSDavid Somayajulu { 404709a0f719SVikas Chaudhary struct srb *srb = container_of(ref, struct srb, srb_ref); 4048afaf5a2dSDavid Somayajulu struct scsi_cmnd *cmd = srb->cmd; 404909a0f719SVikas Chaudhary struct scsi_qla_host *ha = srb->ha; 4050afaf5a2dSDavid Somayajulu 4051afaf5a2dSDavid Somayajulu qla4xxx_srb_free_dma(ha, srb); 4052afaf5a2dSDavid Somayajulu 4053afaf5a2dSDavid Somayajulu mempool_free(srb, ha->srb_mempool); 4054afaf5a2dSDavid Somayajulu 4055afaf5a2dSDavid Somayajulu cmd->scsi_done(cmd); 4056afaf5a2dSDavid Somayajulu } 4057afaf5a2dSDavid Somayajulu 4058afaf5a2dSDavid Somayajulu /** 4059afaf5a2dSDavid Somayajulu * qla4xxx_queuecommand - scsi layer issues scsi command to driver. 40608f0722caSVikas Chaudhary * @host: scsi host 4061afaf5a2dSDavid Somayajulu * @cmd: Pointer to Linux's SCSI command structure 4062afaf5a2dSDavid Somayajulu * 4063afaf5a2dSDavid Somayajulu * Remarks: 4064afaf5a2dSDavid Somayajulu * This routine is invoked by Linux to send a SCSI command to the driver. 4065afaf5a2dSDavid Somayajulu * The mid-level driver tries to ensure that queuecommand never gets 4066afaf5a2dSDavid Somayajulu * invoked concurrently with itself or the interrupt handler (although 4067afaf5a2dSDavid Somayajulu * the interrupt handler may call this routine as part of request- 4068afaf5a2dSDavid Somayajulu * completion handling). Unfortunely, it sometimes calls the scheduler 4069afaf5a2dSDavid Somayajulu * in interrupt context which is a big NO! NO!. 4070afaf5a2dSDavid Somayajulu **/ 40718f0722caSVikas Chaudhary static int qla4xxx_queuecommand(struct Scsi_Host *host, struct scsi_cmnd *cmd) 4072afaf5a2dSDavid Somayajulu { 40738f0722caSVikas Chaudhary struct scsi_qla_host *ha = to_qla_host(host); 4074afaf5a2dSDavid Somayajulu struct ddb_entry *ddb_entry = cmd->device->hostdata; 40757fb1921bSMike Christie struct iscsi_cls_session *sess = ddb_entry->sess; 4076afaf5a2dSDavid Somayajulu struct srb *srb; 4077afaf5a2dSDavid Somayajulu int rval; 4078afaf5a2dSDavid Somayajulu 40792232be0dSLalit Chandivade if (test_bit(AF_EEH_BUSY, &ha->flags)) { 40802232be0dSLalit Chandivade if (test_bit(AF_PCI_CHANNEL_IO_PERM_FAILURE, &ha->flags)) 40812232be0dSLalit Chandivade cmd->result = DID_NO_CONNECT << 16; 40822232be0dSLalit Chandivade else 40832232be0dSLalit Chandivade cmd->result = DID_REQUEUE << 16; 40842232be0dSLalit Chandivade goto qc_fail_command; 40852232be0dSLalit Chandivade } 40862232be0dSLalit Chandivade 40877fb1921bSMike Christie if (!sess) { 40887fb1921bSMike Christie cmd->result = DID_IMM_RETRY << 16; 40897fb1921bSMike Christie goto qc_fail_command; 40907fb1921bSMike Christie } 40917fb1921bSMike Christie 40927fb1921bSMike Christie rval = iscsi_session_chkready(sess); 40937fb1921bSMike Christie if (rval) { 40947fb1921bSMike Christie cmd->result = rval; 40957fb1921bSMike Christie goto qc_fail_command; 40967fb1921bSMike Christie } 40977fb1921bSMike Christie 4098f4f5df23SVikas Chaudhary if (test_bit(DPC_RESET_HA_INTR, &ha->dpc_flags) || 4099f4f5df23SVikas Chaudhary test_bit(DPC_RESET_ACTIVE, &ha->dpc_flags) || 4100f4f5df23SVikas Chaudhary test_bit(DPC_RESET_HA, &ha->dpc_flags) || 4101f4f5df23SVikas Chaudhary test_bit(DPC_HA_UNRECOVERABLE, &ha->dpc_flags) || 4102f4f5df23SVikas Chaudhary test_bit(DPC_HA_NEED_QUIESCENT, &ha->dpc_flags) || 4103f4f5df23SVikas Chaudhary !test_bit(AF_ONLINE, &ha->flags) || 4104b3a271a9SManish Rangankar !test_bit(AF_LINK_UP, &ha->flags) || 4105026fbd3aSNilesh Javali test_bit(AF_LOOPBACK, &ha->flags) || 41067ab284c9SNilesh Javali test_bit(DPC_POST_IDC_ACK, &ha->dpc_flags) || 41077ab284c9SNilesh Javali test_bit(DPC_RESTORE_ACB, &ha->dpc_flags) || 4108f4f5df23SVikas Chaudhary test_bit(DPC_RESET_HA_FW_CONTEXT, &ha->dpc_flags)) 4109477ffb9dSDavid C Somayajulu goto qc_host_busy; 4110477ffb9dSDavid C Somayajulu 41118f0722caSVikas Chaudhary srb = qla4xxx_get_new_srb(ha, ddb_entry, cmd); 4112afaf5a2dSDavid Somayajulu if (!srb) 41138f0722caSVikas Chaudhary goto qc_host_busy; 4114afaf5a2dSDavid Somayajulu 4115afaf5a2dSDavid Somayajulu rval = qla4xxx_send_command_to_isp(ha, srb); 4116afaf5a2dSDavid Somayajulu if (rval != QLA_SUCCESS) 4117afaf5a2dSDavid Somayajulu goto qc_host_busy_free_sp; 4118afaf5a2dSDavid Somayajulu 4119afaf5a2dSDavid Somayajulu return 0; 4120afaf5a2dSDavid Somayajulu 4121afaf5a2dSDavid Somayajulu qc_host_busy_free_sp: 4122afaf5a2dSDavid Somayajulu qla4xxx_srb_free_dma(ha, srb); 4123afaf5a2dSDavid Somayajulu mempool_free(srb, ha->srb_mempool); 4124afaf5a2dSDavid Somayajulu 4125afaf5a2dSDavid Somayajulu qc_host_busy: 4126afaf5a2dSDavid Somayajulu return SCSI_MLQUEUE_HOST_BUSY; 4127afaf5a2dSDavid Somayajulu 4128afaf5a2dSDavid Somayajulu qc_fail_command: 41298f0722caSVikas Chaudhary cmd->scsi_done(cmd); 4130afaf5a2dSDavid Somayajulu 4131afaf5a2dSDavid Somayajulu return 0; 4132afaf5a2dSDavid Somayajulu } 4133afaf5a2dSDavid Somayajulu 4134afaf5a2dSDavid Somayajulu /** 4135afaf5a2dSDavid Somayajulu * qla4xxx_mem_free - frees memory allocated to adapter 4136afaf5a2dSDavid Somayajulu * @ha: Pointer to host adapter structure. 4137afaf5a2dSDavid Somayajulu * 4138afaf5a2dSDavid Somayajulu * Frees memory previously allocated by qla4xxx_mem_alloc 4139afaf5a2dSDavid Somayajulu **/ 4140afaf5a2dSDavid Somayajulu static void qla4xxx_mem_free(struct scsi_qla_host *ha) 4141afaf5a2dSDavid Somayajulu { 4142afaf5a2dSDavid Somayajulu if (ha->queues) 4143afaf5a2dSDavid Somayajulu dma_free_coherent(&ha->pdev->dev, ha->queues_len, ha->queues, 4144afaf5a2dSDavid Somayajulu ha->queues_dma); 4145afaf5a2dSDavid Somayajulu 4146068237c8STej Parkash if (ha->fw_dump) 4147068237c8STej Parkash vfree(ha->fw_dump); 4148068237c8STej Parkash 4149afaf5a2dSDavid Somayajulu ha->queues_len = 0; 4150afaf5a2dSDavid Somayajulu ha->queues = NULL; 4151afaf5a2dSDavid Somayajulu ha->queues_dma = 0; 4152afaf5a2dSDavid Somayajulu ha->request_ring = NULL; 4153afaf5a2dSDavid Somayajulu ha->request_dma = 0; 4154afaf5a2dSDavid Somayajulu ha->response_ring = NULL; 4155afaf5a2dSDavid Somayajulu ha->response_dma = 0; 4156afaf5a2dSDavid Somayajulu ha->shadow_regs = NULL; 4157afaf5a2dSDavid Somayajulu ha->shadow_regs_dma = 0; 4158068237c8STej Parkash ha->fw_dump = NULL; 4159068237c8STej Parkash ha->fw_dump_size = 0; 4160afaf5a2dSDavid Somayajulu 4161afaf5a2dSDavid Somayajulu /* Free srb pool. */ 4162afaf5a2dSDavid Somayajulu mempool_destroy(ha->srb_mempool); 4163afaf5a2dSDavid Somayajulu ha->srb_mempool = NULL; 4164afaf5a2dSDavid Somayajulu 4165b3a271a9SManish Rangankar dma_pool_destroy(ha->chap_dma_pool); 4166b3a271a9SManish Rangankar 41674549415aSLalit Chandivade if (ha->chap_list) 41684549415aSLalit Chandivade vfree(ha->chap_list); 41694549415aSLalit Chandivade ha->chap_list = NULL; 41704549415aSLalit Chandivade 417113483730SMike Christie dma_pool_destroy(ha->fw_ddb_dma_pool); 417213483730SMike Christie 4173afaf5a2dSDavid Somayajulu /* release io space registers */ 4174f4f5df23SVikas Chaudhary if (is_qla8022(ha)) { 4175f4f5df23SVikas Chaudhary if (ha->nx_pcibase) 4176f4f5df23SVikas Chaudhary iounmap( 4177f4f5df23SVikas Chaudhary (struct device_reg_82xx __iomem *)ha->nx_pcibase); 4178b37ca418SVikas Chaudhary } else if (is_qla8032(ha) || is_qla8042(ha)) { 41796e7b4292SVikas Chaudhary if (ha->nx_pcibase) 41806e7b4292SVikas Chaudhary iounmap( 41816e7b4292SVikas Chaudhary (struct device_reg_83xx __iomem *)ha->nx_pcibase); 41826e7b4292SVikas Chaudhary } else if (ha->reg) { 4183afaf5a2dSDavid Somayajulu iounmap(ha->reg); 41846e7b4292SVikas Chaudhary } 41856e7b4292SVikas Chaudhary 41866e7b4292SVikas Chaudhary if (ha->reset_tmplt.buff) 41876e7b4292SVikas Chaudhary vfree(ha->reset_tmplt.buff); 41886e7b4292SVikas Chaudhary 4189afaf5a2dSDavid Somayajulu pci_release_regions(ha->pdev); 4190afaf5a2dSDavid Somayajulu } 4191afaf5a2dSDavid Somayajulu 4192afaf5a2dSDavid Somayajulu /** 4193afaf5a2dSDavid Somayajulu * qla4xxx_mem_alloc - allocates memory for use by adapter. 4194afaf5a2dSDavid Somayajulu * @ha: Pointer to host adapter structure 4195afaf5a2dSDavid Somayajulu * 4196afaf5a2dSDavid Somayajulu * Allocates DMA memory for request and response queues. Also allocates memory 4197afaf5a2dSDavid Somayajulu * for srbs. 4198afaf5a2dSDavid Somayajulu **/ 4199afaf5a2dSDavid Somayajulu static int qla4xxx_mem_alloc(struct scsi_qla_host *ha) 4200afaf5a2dSDavid Somayajulu { 4201afaf5a2dSDavid Somayajulu unsigned long align; 4202afaf5a2dSDavid Somayajulu 4203afaf5a2dSDavid Somayajulu /* Allocate contiguous block of DMA memory for queues. */ 4204afaf5a2dSDavid Somayajulu ha->queues_len = ((REQUEST_QUEUE_DEPTH * QUEUE_SIZE) + 4205afaf5a2dSDavid Somayajulu (RESPONSE_QUEUE_DEPTH * QUEUE_SIZE) + 4206afaf5a2dSDavid Somayajulu sizeof(struct shadow_regs) + 4207afaf5a2dSDavid Somayajulu MEM_ALIGN_VALUE + 4208afaf5a2dSDavid Somayajulu (PAGE_SIZE - 1)) & ~(PAGE_SIZE - 1); 4209750afb08SLuis Chamberlain ha->queues = dma_alloc_coherent(&ha->pdev->dev, ha->queues_len, 4210afaf5a2dSDavid Somayajulu &ha->queues_dma, GFP_KERNEL); 4211afaf5a2dSDavid Somayajulu if (ha->queues == NULL) { 4212c2660df3SVikas Chaudhary ql4_printk(KERN_WARNING, ha, 4213afaf5a2dSDavid Somayajulu "Memory Allocation failed - queues.\n"); 4214afaf5a2dSDavid Somayajulu 4215afaf5a2dSDavid Somayajulu goto mem_alloc_error_exit; 4216afaf5a2dSDavid Somayajulu } 4217afaf5a2dSDavid Somayajulu 4218afaf5a2dSDavid Somayajulu /* 4219afaf5a2dSDavid Somayajulu * As per RISC alignment requirements -- the bus-address must be a 4220afaf5a2dSDavid Somayajulu * multiple of the request-ring size (in bytes). 4221afaf5a2dSDavid Somayajulu */ 4222afaf5a2dSDavid Somayajulu align = 0; 4223afaf5a2dSDavid Somayajulu if ((unsigned long)ha->queues_dma & (MEM_ALIGN_VALUE - 1)) 4224afaf5a2dSDavid Somayajulu align = MEM_ALIGN_VALUE - ((unsigned long)ha->queues_dma & 4225afaf5a2dSDavid Somayajulu (MEM_ALIGN_VALUE - 1)); 4226afaf5a2dSDavid Somayajulu 4227afaf5a2dSDavid Somayajulu /* Update request and response queue pointers. */ 4228afaf5a2dSDavid Somayajulu ha->request_dma = ha->queues_dma + align; 4229afaf5a2dSDavid Somayajulu ha->request_ring = (struct queue_entry *) (ha->queues + align); 4230afaf5a2dSDavid Somayajulu ha->response_dma = ha->queues_dma + align + 4231afaf5a2dSDavid Somayajulu (REQUEST_QUEUE_DEPTH * QUEUE_SIZE); 4232afaf5a2dSDavid Somayajulu ha->response_ring = (struct queue_entry *) (ha->queues + align + 4233afaf5a2dSDavid Somayajulu (REQUEST_QUEUE_DEPTH * 4234afaf5a2dSDavid Somayajulu QUEUE_SIZE)); 4235afaf5a2dSDavid Somayajulu ha->shadow_regs_dma = ha->queues_dma + align + 4236afaf5a2dSDavid Somayajulu (REQUEST_QUEUE_DEPTH * QUEUE_SIZE) + 4237afaf5a2dSDavid Somayajulu (RESPONSE_QUEUE_DEPTH * QUEUE_SIZE); 4238afaf5a2dSDavid Somayajulu ha->shadow_regs = (struct shadow_regs *) (ha->queues + align + 4239afaf5a2dSDavid Somayajulu (REQUEST_QUEUE_DEPTH * 4240afaf5a2dSDavid Somayajulu QUEUE_SIZE) + 4241afaf5a2dSDavid Somayajulu (RESPONSE_QUEUE_DEPTH * 4242afaf5a2dSDavid Somayajulu QUEUE_SIZE)); 4243afaf5a2dSDavid Somayajulu 4244afaf5a2dSDavid Somayajulu /* Allocate memory for srb pool. */ 4245afaf5a2dSDavid Somayajulu ha->srb_mempool = mempool_create(SRB_MIN_REQ, mempool_alloc_slab, 4246afaf5a2dSDavid Somayajulu mempool_free_slab, srb_cachep); 4247afaf5a2dSDavid Somayajulu if (ha->srb_mempool == NULL) { 4248c2660df3SVikas Chaudhary ql4_printk(KERN_WARNING, ha, 4249afaf5a2dSDavid Somayajulu "Memory Allocation failed - SRB Pool.\n"); 4250afaf5a2dSDavid Somayajulu 4251afaf5a2dSDavid Somayajulu goto mem_alloc_error_exit; 4252afaf5a2dSDavid Somayajulu } 4253afaf5a2dSDavid Somayajulu 4254b3a271a9SManish Rangankar ha->chap_dma_pool = dma_pool_create("ql4_chap", &ha->pdev->dev, 4255b3a271a9SManish Rangankar CHAP_DMA_BLOCK_SIZE, 8, 0); 4256b3a271a9SManish Rangankar 4257b3a271a9SManish Rangankar if (ha->chap_dma_pool == NULL) { 4258b3a271a9SManish Rangankar ql4_printk(KERN_WARNING, ha, 4259b3a271a9SManish Rangankar "%s: chap_dma_pool allocation failed..\n", __func__); 4260b3a271a9SManish Rangankar goto mem_alloc_error_exit; 4261b3a271a9SManish Rangankar } 4262b3a271a9SManish Rangankar 426313483730SMike Christie ha->fw_ddb_dma_pool = dma_pool_create("ql4_fw_ddb", &ha->pdev->dev, 426413483730SMike Christie DDB_DMA_BLOCK_SIZE, 8, 0); 426513483730SMike Christie 426613483730SMike Christie if (ha->fw_ddb_dma_pool == NULL) { 426713483730SMike Christie ql4_printk(KERN_WARNING, ha, 426813483730SMike Christie "%s: fw_ddb_dma_pool allocation failed..\n", 426913483730SMike Christie __func__); 427013483730SMike Christie goto mem_alloc_error_exit; 427113483730SMike Christie } 427213483730SMike Christie 4273afaf5a2dSDavid Somayajulu return QLA_SUCCESS; 4274afaf5a2dSDavid Somayajulu 4275afaf5a2dSDavid Somayajulu mem_alloc_error_exit: 4276afaf5a2dSDavid Somayajulu qla4xxx_mem_free(ha); 4277afaf5a2dSDavid Somayajulu return QLA_ERROR; 4278afaf5a2dSDavid Somayajulu } 4279afaf5a2dSDavid Somayajulu 4280afaf5a2dSDavid Somayajulu /** 42814f77083eSMike Hernandez * qla4_8xxx_check_temp - Check the ISP82XX temperature. 42824f77083eSMike Hernandez * @ha: adapter block pointer. 42834f77083eSMike Hernandez * 42844f77083eSMike Hernandez * Note: The caller should not hold the idc lock. 42854f77083eSMike Hernandez **/ 42864f77083eSMike Hernandez static int qla4_8xxx_check_temp(struct scsi_qla_host *ha) 42874f77083eSMike Hernandez { 42884f77083eSMike Hernandez uint32_t temp, temp_state, temp_val; 42894f77083eSMike Hernandez int status = QLA_SUCCESS; 42904f77083eSMike Hernandez 429133693c7aSVikas Chaudhary temp = qla4_8xxx_rd_direct(ha, QLA8XXX_CRB_TEMP_STATE); 42924f77083eSMike Hernandez 42934f77083eSMike Hernandez temp_state = qla82xx_get_temp_state(temp); 42944f77083eSMike Hernandez temp_val = qla82xx_get_temp_val(temp); 42954f77083eSMike Hernandez 42964f77083eSMike Hernandez if (temp_state == QLA82XX_TEMP_PANIC) { 42974f77083eSMike Hernandez ql4_printk(KERN_WARNING, ha, "Device temperature %d degrees C" 42984f77083eSMike Hernandez " exceeds maximum allowed. Hardware has been shut" 42994f77083eSMike Hernandez " down.\n", temp_val); 43004f77083eSMike Hernandez status = QLA_ERROR; 43014f77083eSMike Hernandez } else if (temp_state == QLA82XX_TEMP_WARN) { 43024f77083eSMike Hernandez if (ha->temperature == QLA82XX_TEMP_NORMAL) 43034f77083eSMike Hernandez ql4_printk(KERN_WARNING, ha, "Device temperature %d" 43044f77083eSMike Hernandez " degrees C exceeds operating range." 43054f77083eSMike Hernandez " Immediate action needed.\n", temp_val); 43064f77083eSMike Hernandez } else { 43074f77083eSMike Hernandez if (ha->temperature == QLA82XX_TEMP_WARN) 43084f77083eSMike Hernandez ql4_printk(KERN_INFO, ha, "Device temperature is" 43094f77083eSMike Hernandez " now %d degrees C in normal range.\n", 43104f77083eSMike Hernandez temp_val); 43114f77083eSMike Hernandez } 43124f77083eSMike Hernandez ha->temperature = temp_state; 43134f77083eSMike Hernandez return status; 43144f77083eSMike Hernandez } 43154f77083eSMike Hernandez 43164f77083eSMike Hernandez /** 4317f4f5df23SVikas Chaudhary * qla4_8xxx_check_fw_alive - Check firmware health 4318f4f5df23SVikas Chaudhary * @ha: Pointer to host adapter structure. 4319f4f5df23SVikas Chaudhary * 4320f4f5df23SVikas Chaudhary * Context: Interrupt 4321f4f5df23SVikas Chaudhary **/ 43229ee91a38SShyam Sunder static int qla4_8xxx_check_fw_alive(struct scsi_qla_host *ha) 4323f4f5df23SVikas Chaudhary { 43249ee91a38SShyam Sunder uint32_t fw_heartbeat_counter; 43259ee91a38SShyam Sunder int status = QLA_SUCCESS; 4326f4f5df23SVikas Chaudhary 432733693c7aSVikas Chaudhary fw_heartbeat_counter = qla4_8xxx_rd_direct(ha, 432833693c7aSVikas Chaudhary QLA8XXX_PEG_ALIVE_COUNTER); 43292232be0dSLalit Chandivade /* If PEG_ALIVE_COUNTER is 0xffffffff, AER/EEH is in progress, ignore */ 43302232be0dSLalit Chandivade if (fw_heartbeat_counter == 0xffffffff) { 43312232be0dSLalit Chandivade DEBUG2(printk(KERN_WARNING "scsi%ld: %s: Device in frozen " 43322232be0dSLalit Chandivade "state, QLA82XX_PEG_ALIVE_COUNTER is 0xffffffff\n", 43332232be0dSLalit Chandivade ha->host_no, __func__)); 43349ee91a38SShyam Sunder return status; 43352232be0dSLalit Chandivade } 4336f4f5df23SVikas Chaudhary 4337f4f5df23SVikas Chaudhary if (ha->fw_heartbeat_counter == fw_heartbeat_counter) { 4338f4f5df23SVikas Chaudhary ha->seconds_since_last_heartbeat++; 4339f4f5df23SVikas Chaudhary /* FW not alive after 2 seconds */ 4340f4f5df23SVikas Chaudhary if (ha->seconds_since_last_heartbeat == 2) { 4341f4f5df23SVikas Chaudhary ha->seconds_since_last_heartbeat = 0; 43426e7b4292SVikas Chaudhary qla4_8xxx_dump_peg_reg(ha); 43439ee91a38SShyam Sunder status = QLA_ERROR; 4344f4f5df23SVikas Chaudhary } 434599457d75SLalit Chandivade } else 434699457d75SLalit Chandivade ha->seconds_since_last_heartbeat = 0; 434799457d75SLalit Chandivade 4348f4f5df23SVikas Chaudhary ha->fw_heartbeat_counter = fw_heartbeat_counter; 43499ee91a38SShyam Sunder return status; 4350f4f5df23SVikas Chaudhary } 4351f4f5df23SVikas Chaudhary 43526e7b4292SVikas Chaudhary static void qla4_8xxx_process_fw_error(struct scsi_qla_host *ha) 43536e7b4292SVikas Chaudhary { 43546e7b4292SVikas Chaudhary uint32_t halt_status; 43556e7b4292SVikas Chaudhary int halt_status_unrecoverable = 0; 43566e7b4292SVikas Chaudhary 43576e7b4292SVikas Chaudhary halt_status = qla4_8xxx_rd_direct(ha, QLA8XXX_PEG_HALT_STATUS1); 43586e7b4292SVikas Chaudhary 43596e7b4292SVikas Chaudhary if (is_qla8022(ha)) { 43606e7b4292SVikas Chaudhary ql4_printk(KERN_INFO, ha, "%s: disabling pause transmit on port 0 & 1.\n", 43616e7b4292SVikas Chaudhary __func__); 43626e7b4292SVikas Chaudhary qla4_82xx_wr_32(ha, QLA82XX_CRB_NIU + 0x98, 43636e7b4292SVikas Chaudhary CRB_NIU_XG_PAUSE_CTL_P0 | 43646e7b4292SVikas Chaudhary CRB_NIU_XG_PAUSE_CTL_P1); 43656e7b4292SVikas Chaudhary 43666e7b4292SVikas Chaudhary if (QLA82XX_FWERROR_CODE(halt_status) == 0x67) 43676e7b4292SVikas Chaudhary ql4_printk(KERN_ERR, ha, "%s: Firmware aborted with error code 0x00006700. Device is being reset\n", 43686e7b4292SVikas Chaudhary __func__); 43696e7b4292SVikas Chaudhary if (halt_status & HALT_STATUS_UNRECOVERABLE) 43706e7b4292SVikas Chaudhary halt_status_unrecoverable = 1; 4371b37ca418SVikas Chaudhary } else if (is_qla8032(ha) || is_qla8042(ha)) { 43726e7b4292SVikas Chaudhary if (halt_status & QLA83XX_HALT_STATUS_FW_RESET) 43736e7b4292SVikas Chaudhary ql4_printk(KERN_ERR, ha, "%s: Firmware error detected device is being reset\n", 43746e7b4292SVikas Chaudhary __func__); 43756e7b4292SVikas Chaudhary else if (halt_status & QLA83XX_HALT_STATUS_UNRECOVERABLE) 43766e7b4292SVikas Chaudhary halt_status_unrecoverable = 1; 43776e7b4292SVikas Chaudhary } 43786e7b4292SVikas Chaudhary 43796e7b4292SVikas Chaudhary /* 43806e7b4292SVikas Chaudhary * Since we cannot change dev_state in interrupt context, 43816e7b4292SVikas Chaudhary * set appropriate DPC flag then wakeup DPC 43826e7b4292SVikas Chaudhary */ 43836e7b4292SVikas Chaudhary if (halt_status_unrecoverable) { 43846e7b4292SVikas Chaudhary set_bit(DPC_HA_UNRECOVERABLE, &ha->dpc_flags); 43856e7b4292SVikas Chaudhary } else { 43866e7b4292SVikas Chaudhary ql4_printk(KERN_INFO, ha, "%s: detect abort needed!\n", 43876e7b4292SVikas Chaudhary __func__); 43886e7b4292SVikas Chaudhary set_bit(DPC_RESET_HA, &ha->dpc_flags); 43896e7b4292SVikas Chaudhary } 43906e7b4292SVikas Chaudhary qla4xxx_mailbox_premature_completion(ha); 43916e7b4292SVikas Chaudhary qla4xxx_wake_dpc(ha); 43926e7b4292SVikas Chaudhary } 43936e7b4292SVikas Chaudhary 4394f4f5df23SVikas Chaudhary /** 4395f4f5df23SVikas Chaudhary * qla4_8xxx_watchdog - Poll dev state 4396f4f5df23SVikas Chaudhary * @ha: Pointer to host adapter structure. 4397f4f5df23SVikas Chaudhary * 4398f4f5df23SVikas Chaudhary * Context: Interrupt 4399f4f5df23SVikas Chaudhary **/ 4400f4f5df23SVikas Chaudhary void qla4_8xxx_watchdog(struct scsi_qla_host *ha) 4401f4f5df23SVikas Chaudhary { 44026e7b4292SVikas Chaudhary uint32_t dev_state; 44036cf94121SVikas Chaudhary uint32_t idc_ctrl; 4404f4f5df23SVikas Chaudhary 4405a083e8bcSVikas Chaudhary if (is_qla8032(ha) && 4406a083e8bcSVikas Chaudhary (qla4_83xx_is_detached(ha) == QLA_SUCCESS)) 4407a083e8bcSVikas Chaudhary WARN_ONCE(1, "%s: iSCSI function %d marked invisible\n", 4408a083e8bcSVikas Chaudhary __func__, ha->func_num); 4409a083e8bcSVikas Chaudhary 4410f4f5df23SVikas Chaudhary /* don't poll if reset is going on */ 4411d56a1f7bSLalit Chandivade if (!(test_bit(DPC_RESET_ACTIVE, &ha->dpc_flags) || 4412d56a1f7bSLalit Chandivade test_bit(DPC_RESET_HA, &ha->dpc_flags) || 4413977f46a4SVikas Chaudhary test_bit(DPC_RETRY_RESET_HA, &ha->dpc_flags))) { 441433693c7aSVikas Chaudhary dev_state = qla4_8xxx_rd_direct(ha, QLA8XXX_CRB_DEV_STATE); 44154f77083eSMike Hernandez 44164f77083eSMike Hernandez if (qla4_8xxx_check_temp(ha)) { 44176e7b4292SVikas Chaudhary if (is_qla8022(ha)) { 44186e7b4292SVikas Chaudhary ql4_printk(KERN_INFO, ha, "disabling pause transmit on port 0 & 1.\n"); 4419f8086f4fSVikas Chaudhary qla4_82xx_wr_32(ha, QLA82XX_CRB_NIU + 0x98, 4420e6bd0ebdSGiridhar Malavali CRB_NIU_XG_PAUSE_CTL_P0 | 4421e6bd0ebdSGiridhar Malavali CRB_NIU_XG_PAUSE_CTL_P1); 44226e7b4292SVikas Chaudhary } 44234f77083eSMike Hernandez set_bit(DPC_HA_UNRECOVERABLE, &ha->dpc_flags); 44244f77083eSMike Hernandez qla4xxx_wake_dpc(ha); 4425de8c72daSVikas Chaudhary } else if (dev_state == QLA8XXX_DEV_NEED_RESET && 4426f4f5df23SVikas Chaudhary !test_bit(DPC_RESET_HA, &ha->dpc_flags)) { 44276cf94121SVikas Chaudhary 44286cf94121SVikas Chaudhary ql4_printk(KERN_INFO, ha, "%s: HW State: NEED RESET!\n", 44296cf94121SVikas Chaudhary __func__); 44306cf94121SVikas Chaudhary 4431b37ca418SVikas Chaudhary if (is_qla8032(ha) || is_qla8042(ha)) { 44326cf94121SVikas Chaudhary idc_ctrl = qla4_83xx_rd_reg(ha, 44336cf94121SVikas Chaudhary QLA83XX_IDC_DRV_CTRL); 44346cf94121SVikas Chaudhary if (!(idc_ctrl & GRACEFUL_RESET_BIT1)) { 44356cf94121SVikas Chaudhary ql4_printk(KERN_INFO, ha, "%s: Graceful reset bit is not set\n", 44366cf94121SVikas Chaudhary __func__); 44376cf94121SVikas Chaudhary qla4xxx_mailbox_premature_completion( 44386cf94121SVikas Chaudhary ha); 44396cf94121SVikas Chaudhary } 44406cf94121SVikas Chaudhary } 44416cf94121SVikas Chaudhary 4442b37ca418SVikas Chaudhary if ((is_qla8032(ha) || is_qla8042(ha)) || 44436e7b4292SVikas Chaudhary (is_qla8022(ha) && !ql4xdontresethba)) { 4444f4f5df23SVikas Chaudhary set_bit(DPC_RESET_HA, &ha->dpc_flags); 4445f4f5df23SVikas Chaudhary qla4xxx_wake_dpc(ha); 44463930b8c1SVikas Chaudhary } 4447de8c72daSVikas Chaudhary } else if (dev_state == QLA8XXX_DEV_NEED_QUIESCENT && 4448f4f5df23SVikas Chaudhary !test_bit(DPC_HA_NEED_QUIESCENT, &ha->dpc_flags)) { 44493930b8c1SVikas Chaudhary ql4_printk(KERN_INFO, ha, "%s: HW State: NEED QUIES!\n", 44503930b8c1SVikas Chaudhary __func__); 4451f4f5df23SVikas Chaudhary set_bit(DPC_HA_NEED_QUIESCENT, &ha->dpc_flags); 4452f4f5df23SVikas Chaudhary qla4xxx_wake_dpc(ha); 4453f4f5df23SVikas Chaudhary } else { 4454f4f5df23SVikas Chaudhary /* Check firmware health */ 44556e7b4292SVikas Chaudhary if (qla4_8xxx_check_fw_alive(ha)) 44566e7b4292SVikas Chaudhary qla4_8xxx_process_fw_error(ha); 4457f4f5df23SVikas Chaudhary } 4458f4f5df23SVikas Chaudhary } 4459f4f5df23SVikas Chaudhary } 4460f4f5df23SVikas Chaudhary 44614a4bc2e9SLalit Chandivade static void qla4xxx_check_relogin_flash_ddb(struct iscsi_cls_session *cls_sess) 446213483730SMike Christie { 446313483730SMike Christie struct iscsi_session *sess; 446413483730SMike Christie struct ddb_entry *ddb_entry; 446513483730SMike Christie struct scsi_qla_host *ha; 446613483730SMike Christie 446713483730SMike Christie sess = cls_sess->dd_data; 446813483730SMike Christie ddb_entry = sess->dd_data; 446913483730SMike Christie ha = ddb_entry->ha; 447013483730SMike Christie 447113483730SMike Christie if (!(ddb_entry->ddb_type == FLASH_DDB)) 447213483730SMike Christie return; 447313483730SMike Christie 447413483730SMike Christie if (adapter_up(ha) && !test_bit(DF_RELOGIN, &ddb_entry->flags) && 447513483730SMike Christie !iscsi_is_session_online(cls_sess)) { 447613483730SMike Christie if (atomic_read(&ddb_entry->retry_relogin_timer) != 447713483730SMike Christie INVALID_ENTRY) { 447813483730SMike Christie if (atomic_read(&ddb_entry->retry_relogin_timer) == 447913483730SMike Christie 0) { 448013483730SMike Christie atomic_set(&ddb_entry->retry_relogin_timer, 448113483730SMike Christie INVALID_ENTRY); 448213483730SMike Christie set_bit(DPC_RELOGIN_DEVICE, &ha->dpc_flags); 448313483730SMike Christie set_bit(DF_RELOGIN, &ddb_entry->flags); 448413483730SMike Christie DEBUG2(ql4_printk(KERN_INFO, ha, 448513483730SMike Christie "%s: index [%d] login device\n", 448613483730SMike Christie __func__, ddb_entry->fw_ddb_index)); 448713483730SMike Christie } else 448813483730SMike Christie atomic_dec(&ddb_entry->retry_relogin_timer); 448913483730SMike Christie } 449013483730SMike Christie } 449113483730SMike Christie 449213483730SMike Christie /* Wait for relogin to timeout */ 449313483730SMike Christie if (atomic_read(&ddb_entry->relogin_timer) && 449413483730SMike Christie (atomic_dec_and_test(&ddb_entry->relogin_timer) != 0)) { 449513483730SMike Christie /* 449613483730SMike Christie * If the relogin times out and the device is 449713483730SMike Christie * still NOT ONLINE then try and relogin again. 449813483730SMike Christie */ 449913483730SMike Christie if (!iscsi_is_session_online(cls_sess)) { 450013483730SMike Christie /* Reset retry relogin timer */ 450113483730SMike Christie atomic_inc(&ddb_entry->relogin_retry_count); 450213483730SMike Christie DEBUG2(ql4_printk(KERN_INFO, ha, 450313483730SMike Christie "%s: index[%d] relogin timed out-retrying" 450413483730SMike Christie " relogin (%d), retry (%d)\n", __func__, 450513483730SMike Christie ddb_entry->fw_ddb_index, 450613483730SMike Christie atomic_read(&ddb_entry->relogin_retry_count), 450713483730SMike Christie ddb_entry->default_time2wait + 4)); 450813483730SMike Christie set_bit(DPC_RELOGIN_DEVICE, &ha->dpc_flags); 450913483730SMike Christie atomic_set(&ddb_entry->retry_relogin_timer, 451013483730SMike Christie ddb_entry->default_time2wait + 4); 451113483730SMike Christie } 451213483730SMike Christie } 451313483730SMike Christie } 451413483730SMike Christie 4515f4f5df23SVikas Chaudhary /** 4516afaf5a2dSDavid Somayajulu * qla4xxx_timer - checks every second for work to do. 4517afaf5a2dSDavid Somayajulu * @ha: Pointer to host adapter structure. 4518afaf5a2dSDavid Somayajulu **/ 4519d744644aSKees Cook static void qla4xxx_timer(struct timer_list *t) 4520afaf5a2dSDavid Somayajulu { 4521d744644aSKees Cook struct scsi_qla_host *ha = from_timer(ha, t, timer); 4522afaf5a2dSDavid Somayajulu int start_dpc = 0; 45232232be0dSLalit Chandivade uint16_t w; 45242232be0dSLalit Chandivade 452513483730SMike Christie iscsi_host_for_each_session(ha->host, qla4xxx_check_relogin_flash_ddb); 452613483730SMike Christie 45272232be0dSLalit Chandivade /* If we are in the middle of AER/EEH processing 45282232be0dSLalit Chandivade * skip any processing and reschedule the timer 45292232be0dSLalit Chandivade */ 45302232be0dSLalit Chandivade if (test_bit(AF_EEH_BUSY, &ha->flags)) { 45312232be0dSLalit Chandivade mod_timer(&ha->timer, jiffies + HZ); 45322232be0dSLalit Chandivade return; 45332232be0dSLalit Chandivade } 45342232be0dSLalit Chandivade 45352232be0dSLalit Chandivade /* Hardware read to trigger an EEH error during mailbox waits. */ 45362232be0dSLalit Chandivade if (!pci_channel_offline(ha->pdev)) 45372232be0dSLalit Chandivade pci_read_config_word(ha->pdev, PCI_VENDOR_ID, &w); 4538afaf5a2dSDavid Somayajulu 45396e7b4292SVikas Chaudhary if (is_qla80XX(ha)) 4540f4f5df23SVikas Chaudhary qla4_8xxx_watchdog(ha); 4541f4f5df23SVikas Chaudhary 4542ee996a69SVikas Chaudhary if (is_qla40XX(ha)) { 4543afaf5a2dSDavid Somayajulu /* Check for heartbeat interval. */ 4544afaf5a2dSDavid Somayajulu if (ha->firmware_options & FWOPT_HEARTBEAT_ENABLE && 4545afaf5a2dSDavid Somayajulu ha->heartbeat_interval != 0) { 4546afaf5a2dSDavid Somayajulu ha->seconds_since_last_heartbeat++; 4547afaf5a2dSDavid Somayajulu if (ha->seconds_since_last_heartbeat > 4548afaf5a2dSDavid Somayajulu ha->heartbeat_interval + 2) 4549afaf5a2dSDavid Somayajulu set_bit(DPC_RESET_HA, &ha->dpc_flags); 4550afaf5a2dSDavid Somayajulu } 4551f4f5df23SVikas Chaudhary } 4552afaf5a2dSDavid Somayajulu 4553ff884430SVikas Chaudhary /* Process any deferred work. */ 4554ff884430SVikas Chaudhary if (!list_empty(&ha->work_list)) 4555ff884430SVikas Chaudhary start_dpc++; 4556ff884430SVikas Chaudhary 4557afaf5a2dSDavid Somayajulu /* Wakeup the dpc routine for this adapter, if needed. */ 45581b46807eSLalit Chandivade if (start_dpc || 4559afaf5a2dSDavid Somayajulu test_bit(DPC_RESET_HA, &ha->dpc_flags) || 4560afaf5a2dSDavid Somayajulu test_bit(DPC_RETRY_RESET_HA, &ha->dpc_flags) || 4561afaf5a2dSDavid Somayajulu test_bit(DPC_RELOGIN_DEVICE, &ha->dpc_flags) || 4562f4f5df23SVikas Chaudhary test_bit(DPC_RESET_HA_FW_CONTEXT, &ha->dpc_flags) || 4563afaf5a2dSDavid Somayajulu test_bit(DPC_RESET_HA_INTR, &ha->dpc_flags) || 4564afaf5a2dSDavid Somayajulu test_bit(DPC_GET_DHCP_IP_ADDR, &ha->dpc_flags) || 4565065aa1b4SVikas Chaudhary test_bit(DPC_LINK_CHANGED, &ha->dpc_flags) || 4566f4f5df23SVikas Chaudhary test_bit(DPC_HA_UNRECOVERABLE, &ha->dpc_flags) || 4567f4f5df23SVikas Chaudhary test_bit(DPC_HA_NEED_QUIESCENT, &ha->dpc_flags) || 4568906cbf3dSNilesh Javali test_bit(DPC_SYSFS_DDB_EXPORT, &ha->dpc_flags) || 45691b46807eSLalit Chandivade test_bit(DPC_AEN, &ha->dpc_flags)) { 4570afaf5a2dSDavid Somayajulu DEBUG2(printk("scsi%ld: %s: scheduling dpc routine" 4571afaf5a2dSDavid Somayajulu " - dpc flags = 0x%lx\n", 4572afaf5a2dSDavid Somayajulu ha->host_no, __func__, ha->dpc_flags)); 4573f4f5df23SVikas Chaudhary qla4xxx_wake_dpc(ha); 4574afaf5a2dSDavid Somayajulu } 4575afaf5a2dSDavid Somayajulu 4576afaf5a2dSDavid Somayajulu /* Reschedule timer thread to call us back in one second */ 4577afaf5a2dSDavid Somayajulu mod_timer(&ha->timer, jiffies + HZ); 4578afaf5a2dSDavid Somayajulu 4579afaf5a2dSDavid Somayajulu DEBUG2(ha->seconds_since_last_intr++); 4580afaf5a2dSDavid Somayajulu } 4581afaf5a2dSDavid Somayajulu 4582afaf5a2dSDavid Somayajulu /** 4583afaf5a2dSDavid Somayajulu * qla4xxx_cmd_wait - waits for all outstanding commands to complete 4584afaf5a2dSDavid Somayajulu * @ha: Pointer to host adapter structure. 4585afaf5a2dSDavid Somayajulu * 4586afaf5a2dSDavid Somayajulu * This routine stalls the driver until all outstanding commands are returned. 4587afaf5a2dSDavid Somayajulu * Caller must release the Hardware Lock prior to calling this routine. 4588afaf5a2dSDavid Somayajulu **/ 4589afaf5a2dSDavid Somayajulu static int qla4xxx_cmd_wait(struct scsi_qla_host *ha) 4590afaf5a2dSDavid Somayajulu { 4591afaf5a2dSDavid Somayajulu uint32_t index = 0; 4592afaf5a2dSDavid Somayajulu unsigned long flags; 4593afaf5a2dSDavid Somayajulu struct scsi_cmnd *cmd; 459461d9a2b6STej Parkash unsigned long wtime; 459561d9a2b6STej Parkash uint32_t wtmo; 4596afaf5a2dSDavid Somayajulu 459761d9a2b6STej Parkash if (is_qla40XX(ha)) 459861d9a2b6STej Parkash wtmo = WAIT_CMD_TOV; 459961d9a2b6STej Parkash else 460061d9a2b6STej Parkash wtmo = ha->nx_reset_timeout / 2; 4601f4f5df23SVikas Chaudhary 460261d9a2b6STej Parkash wtime = jiffies + (wtmo * HZ); 460361d9a2b6STej Parkash 460461d9a2b6STej Parkash DEBUG2(ql4_printk(KERN_INFO, ha, 460561d9a2b6STej Parkash "Wait up to %u seconds for cmds to complete\n", 460661d9a2b6STej Parkash wtmo)); 4607f4f5df23SVikas Chaudhary 4608f4f5df23SVikas Chaudhary while (!time_after_eq(jiffies, wtime)) { 4609afaf5a2dSDavid Somayajulu spin_lock_irqsave(&ha->hardware_lock, flags); 4610afaf5a2dSDavid Somayajulu /* Find a command that hasn't completed. */ 4611afaf5a2dSDavid Somayajulu for (index = 0; index < ha->host->can_queue; index++) { 4612afaf5a2dSDavid Somayajulu cmd = scsi_host_find_tag(ha->host, index); 4613a1e0063dSMike Christie /* 4614a1e0063dSMike Christie * We cannot just check if the index is valid, 4615a1e0063dSMike Christie * becase if we are run from the scsi eh, then 4616a1e0063dSMike Christie * the scsi/block layer is going to prevent 4617a1e0063dSMike Christie * the tag from being released. 4618a1e0063dSMike Christie */ 4619a1e0063dSMike Christie if (cmd != NULL && CMD_SP(cmd)) 4620afaf5a2dSDavid Somayajulu break; 4621afaf5a2dSDavid Somayajulu } 4622afaf5a2dSDavid Somayajulu spin_unlock_irqrestore(&ha->hardware_lock, flags); 4623afaf5a2dSDavid Somayajulu 4624afaf5a2dSDavid Somayajulu /* If No Commands are pending, wait is complete */ 4625f4f5df23SVikas Chaudhary if (index == ha->host->can_queue) 4626f4f5df23SVikas Chaudhary return QLA_SUCCESS; 4627afaf5a2dSDavid Somayajulu 4628afaf5a2dSDavid Somayajulu msleep(1000); 4629afaf5a2dSDavid Somayajulu } 4630f4f5df23SVikas Chaudhary /* If we timed out on waiting for commands to come back 4631f4f5df23SVikas Chaudhary * return ERROR. */ 4632f4f5df23SVikas Chaudhary return QLA_ERROR; 4633afaf5a2dSDavid Somayajulu } 4634afaf5a2dSDavid Somayajulu 4635f4f5df23SVikas Chaudhary int qla4xxx_hw_reset(struct scsi_qla_host *ha) 4636afaf5a2dSDavid Somayajulu { 4637afaf5a2dSDavid Somayajulu uint32_t ctrl_status; 4638477ffb9dSDavid C Somayajulu unsigned long flags = 0; 4639477ffb9dSDavid C Somayajulu 4640477ffb9dSDavid C Somayajulu DEBUG2(printk(KERN_ERR "scsi%ld: %s\n", ha->host_no, __func__)); 4641afaf5a2dSDavid Somayajulu 4642f4f5df23SVikas Chaudhary if (ql4xxx_lock_drvr_wait(ha) != QLA_SUCCESS) 4643f4f5df23SVikas Chaudhary return QLA_ERROR; 4644f4f5df23SVikas Chaudhary 4645afaf5a2dSDavid Somayajulu spin_lock_irqsave(&ha->hardware_lock, flags); 4646afaf5a2dSDavid Somayajulu 4647afaf5a2dSDavid Somayajulu /* 4648afaf5a2dSDavid Somayajulu * If the SCSI Reset Interrupt bit is set, clear it. 4649afaf5a2dSDavid Somayajulu * Otherwise, the Soft Reset won't work. 4650afaf5a2dSDavid Somayajulu */ 4651afaf5a2dSDavid Somayajulu ctrl_status = readw(&ha->reg->ctrl_status); 4652afaf5a2dSDavid Somayajulu if ((ctrl_status & CSR_SCSI_RESET_INTR) != 0) 4653afaf5a2dSDavid Somayajulu writel(set_rmask(CSR_SCSI_RESET_INTR), &ha->reg->ctrl_status); 4654afaf5a2dSDavid Somayajulu 4655afaf5a2dSDavid Somayajulu /* Issue Soft Reset */ 4656afaf5a2dSDavid Somayajulu writel(set_rmask(CSR_SOFT_RESET), &ha->reg->ctrl_status); 4657afaf5a2dSDavid Somayajulu readl(&ha->reg->ctrl_status); 4658afaf5a2dSDavid Somayajulu 4659afaf5a2dSDavid Somayajulu spin_unlock_irqrestore(&ha->hardware_lock, flags); 4660f4f5df23SVikas Chaudhary return QLA_SUCCESS; 4661477ffb9dSDavid C Somayajulu } 4662477ffb9dSDavid C Somayajulu 4663477ffb9dSDavid C Somayajulu /** 4664477ffb9dSDavid C Somayajulu * qla4xxx_soft_reset - performs soft reset. 4665477ffb9dSDavid C Somayajulu * @ha: Pointer to host adapter structure. 4666477ffb9dSDavid C Somayajulu **/ 4667477ffb9dSDavid C Somayajulu int qla4xxx_soft_reset(struct scsi_qla_host *ha) 4668477ffb9dSDavid C Somayajulu { 4669477ffb9dSDavid C Somayajulu uint32_t max_wait_time; 4670477ffb9dSDavid C Somayajulu unsigned long flags = 0; 4671f931c534SVikas Chaudhary int status; 4672477ffb9dSDavid C Somayajulu uint32_t ctrl_status; 4673477ffb9dSDavid C Somayajulu 4674f931c534SVikas Chaudhary status = qla4xxx_hw_reset(ha); 4675f931c534SVikas Chaudhary if (status != QLA_SUCCESS) 4676f931c534SVikas Chaudhary return status; 4677afaf5a2dSDavid Somayajulu 4678f931c534SVikas Chaudhary status = QLA_ERROR; 4679afaf5a2dSDavid Somayajulu /* Wait until the Network Reset Intr bit is cleared */ 4680afaf5a2dSDavid Somayajulu max_wait_time = RESET_INTR_TOV; 4681afaf5a2dSDavid Somayajulu do { 4682afaf5a2dSDavid Somayajulu spin_lock_irqsave(&ha->hardware_lock, flags); 4683afaf5a2dSDavid Somayajulu ctrl_status = readw(&ha->reg->ctrl_status); 4684afaf5a2dSDavid Somayajulu spin_unlock_irqrestore(&ha->hardware_lock, flags); 4685afaf5a2dSDavid Somayajulu 4686afaf5a2dSDavid Somayajulu if ((ctrl_status & CSR_NET_RESET_INTR) == 0) 4687afaf5a2dSDavid Somayajulu break; 4688afaf5a2dSDavid Somayajulu 4689afaf5a2dSDavid Somayajulu msleep(1000); 4690afaf5a2dSDavid Somayajulu } while ((--max_wait_time)); 4691afaf5a2dSDavid Somayajulu 4692afaf5a2dSDavid Somayajulu if ((ctrl_status & CSR_NET_RESET_INTR) != 0) { 4693afaf5a2dSDavid Somayajulu DEBUG2(printk(KERN_WARNING 4694afaf5a2dSDavid Somayajulu "scsi%ld: Network Reset Intr not cleared by " 4695afaf5a2dSDavid Somayajulu "Network function, clearing it now!\n", 4696afaf5a2dSDavid Somayajulu ha->host_no)); 4697afaf5a2dSDavid Somayajulu spin_lock_irqsave(&ha->hardware_lock, flags); 4698afaf5a2dSDavid Somayajulu writel(set_rmask(CSR_NET_RESET_INTR), &ha->reg->ctrl_status); 4699afaf5a2dSDavid Somayajulu readl(&ha->reg->ctrl_status); 4700afaf5a2dSDavid Somayajulu spin_unlock_irqrestore(&ha->hardware_lock, flags); 4701afaf5a2dSDavid Somayajulu } 4702afaf5a2dSDavid Somayajulu 4703afaf5a2dSDavid Somayajulu /* Wait until the firmware tells us the Soft Reset is done */ 4704afaf5a2dSDavid Somayajulu max_wait_time = SOFT_RESET_TOV; 4705afaf5a2dSDavid Somayajulu do { 4706afaf5a2dSDavid Somayajulu spin_lock_irqsave(&ha->hardware_lock, flags); 4707afaf5a2dSDavid Somayajulu ctrl_status = readw(&ha->reg->ctrl_status); 4708afaf5a2dSDavid Somayajulu spin_unlock_irqrestore(&ha->hardware_lock, flags); 4709afaf5a2dSDavid Somayajulu 4710afaf5a2dSDavid Somayajulu if ((ctrl_status & CSR_SOFT_RESET) == 0) { 4711afaf5a2dSDavid Somayajulu status = QLA_SUCCESS; 4712afaf5a2dSDavid Somayajulu break; 4713afaf5a2dSDavid Somayajulu } 4714afaf5a2dSDavid Somayajulu 4715afaf5a2dSDavid Somayajulu msleep(1000); 4716afaf5a2dSDavid Somayajulu } while ((--max_wait_time)); 4717afaf5a2dSDavid Somayajulu 4718afaf5a2dSDavid Somayajulu /* 4719afaf5a2dSDavid Somayajulu * Also, make sure that the SCSI Reset Interrupt bit has been cleared 4720afaf5a2dSDavid Somayajulu * after the soft reset has taken place. 4721afaf5a2dSDavid Somayajulu */ 4722afaf5a2dSDavid Somayajulu spin_lock_irqsave(&ha->hardware_lock, flags); 4723afaf5a2dSDavid Somayajulu ctrl_status = readw(&ha->reg->ctrl_status); 4724afaf5a2dSDavid Somayajulu if ((ctrl_status & CSR_SCSI_RESET_INTR) != 0) { 4725afaf5a2dSDavid Somayajulu writel(set_rmask(CSR_SCSI_RESET_INTR), &ha->reg->ctrl_status); 4726afaf5a2dSDavid Somayajulu readl(&ha->reg->ctrl_status); 4727afaf5a2dSDavid Somayajulu } 4728afaf5a2dSDavid Somayajulu spin_unlock_irqrestore(&ha->hardware_lock, flags); 4729afaf5a2dSDavid Somayajulu 4730afaf5a2dSDavid Somayajulu /* If soft reset fails then most probably the bios on other 4731afaf5a2dSDavid Somayajulu * function is also enabled. 4732afaf5a2dSDavid Somayajulu * Since the initialization is sequential the other fn 4733afaf5a2dSDavid Somayajulu * wont be able to acknowledge the soft reset. 4734afaf5a2dSDavid Somayajulu * Issue a force soft reset to workaround this scenario. 4735afaf5a2dSDavid Somayajulu */ 4736afaf5a2dSDavid Somayajulu if (max_wait_time == 0) { 4737afaf5a2dSDavid Somayajulu /* Issue Force Soft Reset */ 4738afaf5a2dSDavid Somayajulu spin_lock_irqsave(&ha->hardware_lock, flags); 4739afaf5a2dSDavid Somayajulu writel(set_rmask(CSR_FORCE_SOFT_RESET), &ha->reg->ctrl_status); 4740afaf5a2dSDavid Somayajulu readl(&ha->reg->ctrl_status); 4741afaf5a2dSDavid Somayajulu spin_unlock_irqrestore(&ha->hardware_lock, flags); 4742afaf5a2dSDavid Somayajulu /* Wait until the firmware tells us the Soft Reset is done */ 4743afaf5a2dSDavid Somayajulu max_wait_time = SOFT_RESET_TOV; 4744afaf5a2dSDavid Somayajulu do { 4745afaf5a2dSDavid Somayajulu spin_lock_irqsave(&ha->hardware_lock, flags); 4746afaf5a2dSDavid Somayajulu ctrl_status = readw(&ha->reg->ctrl_status); 4747afaf5a2dSDavid Somayajulu spin_unlock_irqrestore(&ha->hardware_lock, flags); 4748afaf5a2dSDavid Somayajulu 4749afaf5a2dSDavid Somayajulu if ((ctrl_status & CSR_FORCE_SOFT_RESET) == 0) { 4750afaf5a2dSDavid Somayajulu status = QLA_SUCCESS; 4751afaf5a2dSDavid Somayajulu break; 4752afaf5a2dSDavid Somayajulu } 4753afaf5a2dSDavid Somayajulu 4754afaf5a2dSDavid Somayajulu msleep(1000); 4755afaf5a2dSDavid Somayajulu } while ((--max_wait_time)); 4756afaf5a2dSDavid Somayajulu } 4757afaf5a2dSDavid Somayajulu 4758afaf5a2dSDavid Somayajulu return status; 4759afaf5a2dSDavid Somayajulu } 4760afaf5a2dSDavid Somayajulu 4761afaf5a2dSDavid Somayajulu /** 4762f4f5df23SVikas Chaudhary * qla4xxx_abort_active_cmds - returns all outstanding i/o requests to O.S. 4763afaf5a2dSDavid Somayajulu * @ha: Pointer to host adapter structure. 4764f4f5df23SVikas Chaudhary * @res: returned scsi status 4765afaf5a2dSDavid Somayajulu * 4766afaf5a2dSDavid Somayajulu * This routine is called just prior to a HARD RESET to return all 4767afaf5a2dSDavid Somayajulu * outstanding commands back to the Operating System. 4768afaf5a2dSDavid Somayajulu * Caller should make sure that the following locks are released 4769afaf5a2dSDavid Somayajulu * before this calling routine: Hardware lock, and io_request_lock. 4770afaf5a2dSDavid Somayajulu **/ 4771f4f5df23SVikas Chaudhary static void qla4xxx_abort_active_cmds(struct scsi_qla_host *ha, int res) 4772afaf5a2dSDavid Somayajulu { 4773afaf5a2dSDavid Somayajulu struct srb *srb; 4774afaf5a2dSDavid Somayajulu int i; 4775afaf5a2dSDavid Somayajulu unsigned long flags; 4776afaf5a2dSDavid Somayajulu 4777afaf5a2dSDavid Somayajulu spin_lock_irqsave(&ha->hardware_lock, flags); 4778afaf5a2dSDavid Somayajulu for (i = 0; i < ha->host->can_queue; i++) { 4779afaf5a2dSDavid Somayajulu srb = qla4xxx_del_from_active_array(ha, i); 4780afaf5a2dSDavid Somayajulu if (srb != NULL) { 4781f4f5df23SVikas Chaudhary srb->cmd->result = res; 478209a0f719SVikas Chaudhary kref_put(&srb->srb_ref, qla4xxx_srb_compl); 4783afaf5a2dSDavid Somayajulu } 4784afaf5a2dSDavid Somayajulu } 4785afaf5a2dSDavid Somayajulu spin_unlock_irqrestore(&ha->hardware_lock, flags); 4786afaf5a2dSDavid Somayajulu } 4787afaf5a2dSDavid Somayajulu 4788f4f5df23SVikas Chaudhary void qla4xxx_dead_adapter_cleanup(struct scsi_qla_host *ha) 4789f4f5df23SVikas Chaudhary { 4790f4f5df23SVikas Chaudhary clear_bit(AF_ONLINE, &ha->flags); 4791f4f5df23SVikas Chaudhary 4792f4f5df23SVikas Chaudhary /* Disable the board */ 4793f4f5df23SVikas Chaudhary ql4_printk(KERN_INFO, ha, "Disabling the board\n"); 4794f4f5df23SVikas Chaudhary 4795f4f5df23SVikas Chaudhary qla4xxx_abort_active_cmds(ha, DID_NO_CONNECT << 16); 4796f4f5df23SVikas Chaudhary qla4xxx_mark_all_devices_missing(ha); 4797f4f5df23SVikas Chaudhary clear_bit(AF_INIT_DONE, &ha->flags); 4798f4f5df23SVikas Chaudhary } 4799f4f5df23SVikas Chaudhary 4800b3a271a9SManish Rangankar static void qla4xxx_fail_session(struct iscsi_cls_session *cls_session) 4801b3a271a9SManish Rangankar { 4802b3a271a9SManish Rangankar struct iscsi_session *sess; 4803b3a271a9SManish Rangankar struct ddb_entry *ddb_entry; 4804b3a271a9SManish Rangankar 4805b3a271a9SManish Rangankar sess = cls_session->dd_data; 4806b3a271a9SManish Rangankar ddb_entry = sess->dd_data; 4807b3a271a9SManish Rangankar ddb_entry->fw_ddb_device_state = DDB_DS_SESSION_FAILED; 480813483730SMike Christie 480913483730SMike Christie if (ddb_entry->ddb_type == FLASH_DDB) 481013483730SMike Christie iscsi_block_session(ddb_entry->sess); 481113483730SMike Christie else 481213483730SMike Christie iscsi_session_failure(cls_session->dd_data, 481313483730SMike Christie ISCSI_ERR_CONN_FAILED); 4814b3a271a9SManish Rangankar } 4815b3a271a9SManish Rangankar 4816afaf5a2dSDavid Somayajulu /** 4817afaf5a2dSDavid Somayajulu * qla4xxx_recover_adapter - recovers adapter after a fatal error 4818afaf5a2dSDavid Somayajulu * @ha: Pointer to host adapter structure. 4819afaf5a2dSDavid Somayajulu **/ 4820f4f5df23SVikas Chaudhary static int qla4xxx_recover_adapter(struct scsi_qla_host *ha) 4821afaf5a2dSDavid Somayajulu { 4822f4f5df23SVikas Chaudhary int status = QLA_ERROR; 4823f4f5df23SVikas Chaudhary uint8_t reset_chip = 0; 48248e0f3a66SSarang Radke uint32_t dev_state; 48259ee91a38SShyam Sunder unsigned long wait; 4826afaf5a2dSDavid Somayajulu 4827afaf5a2dSDavid Somayajulu /* Stall incoming I/O until we are done */ 4828f4f5df23SVikas Chaudhary scsi_block_requests(ha->host); 4829afaf5a2dSDavid Somayajulu clear_bit(AF_ONLINE, &ha->flags); 4830b3a271a9SManish Rangankar clear_bit(AF_LINK_UP, &ha->flags); 483150a29aecSMike Christie 4832f4f5df23SVikas Chaudhary DEBUG2(ql4_printk(KERN_INFO, ha, "%s: adapter OFFLINE\n", __func__)); 4833afaf5a2dSDavid Somayajulu 4834f4f5df23SVikas Chaudhary set_bit(DPC_RESET_ACTIVE, &ha->dpc_flags); 4835afaf5a2dSDavid Somayajulu 4836b37ca418SVikas Chaudhary if ((is_qla8032(ha) || is_qla8042(ha)) && 4837546fef27STej Parkash !test_bit(DPC_RESET_HA_FW_CONTEXT, &ha->dpc_flags)) { 4838546fef27STej Parkash ql4_printk(KERN_INFO, ha, "%s: disabling pause transmit on port 0 & 1.\n", 4839546fef27STej Parkash __func__); 4840546fef27STej Parkash /* disable pause frame for ISP83xx */ 4841546fef27STej Parkash qla4_83xx_disable_pause(ha); 4842546fef27STej Parkash } 4843546fef27STej Parkash 4844b3a271a9SManish Rangankar iscsi_host_for_each_session(ha->host, qla4xxx_fail_session); 4845b3a271a9SManish Rangankar 4846f4f5df23SVikas Chaudhary if (test_bit(DPC_RESET_HA, &ha->dpc_flags)) 4847f4f5df23SVikas Chaudhary reset_chip = 1; 4848afaf5a2dSDavid Somayajulu 4849f4f5df23SVikas Chaudhary /* For the DPC_RESET_HA_INTR case (ISP-4xxx specific) 4850f4f5df23SVikas Chaudhary * do not reset adapter, jump to initialize_adapter */ 4851f4f5df23SVikas Chaudhary if (test_bit(DPC_RESET_HA_INTR, &ha->dpc_flags)) { 4852f4f5df23SVikas Chaudhary status = QLA_SUCCESS; 4853f4f5df23SVikas Chaudhary goto recover_ha_init_adapter; 4854afaf5a2dSDavid Somayajulu } 4855afaf5a2dSDavid Somayajulu 48566e7b4292SVikas Chaudhary /* For the ISP-8xxx adapter, issue a stop_firmware if invoked 4857f4f5df23SVikas Chaudhary * from eh_host_reset or ioctl module */ 48586e7b4292SVikas Chaudhary if (is_qla80XX(ha) && !reset_chip && 4859f4f5df23SVikas Chaudhary test_bit(DPC_RESET_HA_FW_CONTEXT, &ha->dpc_flags)) { 4860f4f5df23SVikas Chaudhary 4861f4f5df23SVikas Chaudhary DEBUG2(ql4_printk(KERN_INFO, ha, 4862f4f5df23SVikas Chaudhary "scsi%ld: %s - Performing stop_firmware...\n", 4863f4f5df23SVikas Chaudhary ha->host_no, __func__)); 4864f4f5df23SVikas Chaudhary status = ha->isp_ops->reset_firmware(ha); 4865f4f5df23SVikas Chaudhary if (status == QLA_SUCCESS) { 4866f4f5df23SVikas Chaudhary ha->isp_ops->disable_intrs(ha); 4867f4f5df23SVikas Chaudhary qla4xxx_process_aen(ha, FLUSH_DDB_CHANGED_AENS); 4868f4f5df23SVikas Chaudhary qla4xxx_abort_active_cmds(ha, DID_RESET << 16); 4869f4f5df23SVikas Chaudhary } else { 4870f4f5df23SVikas Chaudhary /* If the stop_firmware fails then 4871f4f5df23SVikas Chaudhary * reset the entire chip */ 4872f4f5df23SVikas Chaudhary reset_chip = 1; 4873f4f5df23SVikas Chaudhary clear_bit(DPC_RESET_HA_FW_CONTEXT, &ha->dpc_flags); 4874f4f5df23SVikas Chaudhary set_bit(DPC_RESET_HA, &ha->dpc_flags); 4875f4f5df23SVikas Chaudhary } 4876f4f5df23SVikas Chaudhary } 4877f4f5df23SVikas Chaudhary 4878f4f5df23SVikas Chaudhary /* Issue full chip reset if recovering from a catastrophic error, 48796e7b4292SVikas Chaudhary * or if stop_firmware fails for ISP-8xxx. 4880f4f5df23SVikas Chaudhary * This is the default case for ISP-4xxx */ 4881ee996a69SVikas Chaudhary if (is_qla40XX(ha) || reset_chip) { 4882ee996a69SVikas Chaudhary if (is_qla40XX(ha)) 48839ee91a38SShyam Sunder goto chip_reset; 48849ee91a38SShyam Sunder 48856e7b4292SVikas Chaudhary /* Check if 8XXX firmware is alive or not 48869ee91a38SShyam Sunder * We may have arrived here from NEED_RESET 48879ee91a38SShyam Sunder * detection only */ 48889ee91a38SShyam Sunder if (test_bit(AF_FW_RECOVERY, &ha->flags)) 48899ee91a38SShyam Sunder goto chip_reset; 48909ee91a38SShyam Sunder 48919ee91a38SShyam Sunder wait = jiffies + (FW_ALIVE_WAIT_TOV * HZ); 48929ee91a38SShyam Sunder while (time_before(jiffies, wait)) { 48939ee91a38SShyam Sunder if (qla4_8xxx_check_fw_alive(ha)) { 48949ee91a38SShyam Sunder qla4xxx_mailbox_premature_completion(ha); 48959ee91a38SShyam Sunder break; 48969ee91a38SShyam Sunder } 48979ee91a38SShyam Sunder 48989ee91a38SShyam Sunder set_current_state(TASK_UNINTERRUPTIBLE); 48999ee91a38SShyam Sunder schedule_timeout(HZ); 49009ee91a38SShyam Sunder } 4901da106212SVikas Chaudhary chip_reset: 49022bd1e2beSNilesh Javali if (!test_bit(AF_FW_RECOVERY, &ha->flags)) 4903f4f5df23SVikas Chaudhary qla4xxx_cmd_wait(ha); 4904da106212SVikas Chaudhary 4905f4f5df23SVikas Chaudhary qla4xxx_process_aen(ha, FLUSH_DDB_CHANGED_AENS); 4906f4f5df23SVikas Chaudhary DEBUG2(ql4_printk(KERN_INFO, ha, 4907f4f5df23SVikas Chaudhary "scsi%ld: %s - Performing chip reset..\n", 4908f4f5df23SVikas Chaudhary ha->host_no, __func__)); 4909f4f5df23SVikas Chaudhary status = ha->isp_ops->reset_chip(ha); 491061d9a2b6STej Parkash qla4xxx_abort_active_cmds(ha, DID_RESET << 16); 4911f4f5df23SVikas Chaudhary } 4912f4f5df23SVikas Chaudhary 4913f4f5df23SVikas Chaudhary /* Flush any pending ddb changed AENs */ 4914f4f5df23SVikas Chaudhary qla4xxx_process_aen(ha, FLUSH_DDB_CHANGED_AENS); 4915f4f5df23SVikas Chaudhary 4916f4f5df23SVikas Chaudhary recover_ha_init_adapter: 4917f4f5df23SVikas Chaudhary /* Upon successful firmware/chip reset, re-initialize the adapter */ 4918f4f5df23SVikas Chaudhary if (status == QLA_SUCCESS) { 4919f4f5df23SVikas Chaudhary /* For ISP-4xxx, force function 1 to always initialize 4920f4f5df23SVikas Chaudhary * before function 3 to prevent both funcions from 4921f4f5df23SVikas Chaudhary * stepping on top of the other */ 4922ee996a69SVikas Chaudhary if (is_qla40XX(ha) && (ha->mac_index == 3)) 4923f4f5df23SVikas Chaudhary ssleep(6); 4924f4f5df23SVikas Chaudhary 4925f4f5df23SVikas Chaudhary /* NOTE: AF_ONLINE flag set upon successful completion of 4926f4f5df23SVikas Chaudhary * qla4xxx_initialize_adapter */ 492713483730SMike Christie status = qla4xxx_initialize_adapter(ha, RESET_ADAPTER); 492837418cc6SNilesh Javali if (is_qla80XX(ha) && (status == QLA_ERROR)) { 492937418cc6SNilesh Javali status = qla4_8xxx_check_init_adapter_retry(ha); 493037418cc6SNilesh Javali if (status == QLA_ERROR) { 493137418cc6SNilesh Javali ql4_printk(KERN_INFO, ha, "scsi%ld: %s: Don't retry recover adapter\n", 493237418cc6SNilesh Javali ha->host_no, __func__); 493337418cc6SNilesh Javali qla4xxx_dead_adapter_cleanup(ha); 493437418cc6SNilesh Javali clear_bit(DPC_RETRY_RESET_HA, &ha->dpc_flags); 493537418cc6SNilesh Javali clear_bit(DPC_RESET_HA, &ha->dpc_flags); 493637418cc6SNilesh Javali clear_bit(DPC_RESET_HA_FW_CONTEXT, 493737418cc6SNilesh Javali &ha->dpc_flags); 493837418cc6SNilesh Javali goto exit_recover; 493937418cc6SNilesh Javali } 494037418cc6SNilesh Javali } 4941f4f5df23SVikas Chaudhary } 4942f4f5df23SVikas Chaudhary 4943f4f5df23SVikas Chaudhary /* Retry failed adapter initialization, if necessary 4944f4f5df23SVikas Chaudhary * Do not retry initialize_adapter for RESET_HA_INTR (ISP-4xxx specific) 4945f4f5df23SVikas Chaudhary * case to prevent ping-pong resets between functions */ 4946f4f5df23SVikas Chaudhary if (!test_bit(AF_ONLINE, &ha->flags) && 4947f4f5df23SVikas Chaudhary !test_bit(DPC_RESET_HA_INTR, &ha->dpc_flags)) { 4948afaf5a2dSDavid Somayajulu /* Adapter initialization failed, see if we can retry 4949f4f5df23SVikas Chaudhary * resetting the ha. 4950f4f5df23SVikas Chaudhary * Since we don't want to block the DPC for too long 4951f4f5df23SVikas Chaudhary * with multiple resets in the same thread, 4952f4f5df23SVikas Chaudhary * utilize DPC to retry */ 49536e7b4292SVikas Chaudhary if (is_qla80XX(ha)) { 495433693c7aSVikas Chaudhary ha->isp_ops->idc_lock(ha); 495533693c7aSVikas Chaudhary dev_state = qla4_8xxx_rd_direct(ha, 495633693c7aSVikas Chaudhary QLA8XXX_CRB_DEV_STATE); 495733693c7aSVikas Chaudhary ha->isp_ops->idc_unlock(ha); 4958de8c72daSVikas Chaudhary if (dev_state == QLA8XXX_DEV_FAILED) { 49598e0f3a66SSarang Radke ql4_printk(KERN_INFO, ha, "%s: don't retry " 49608e0f3a66SSarang Radke "recover adapter. H/W is in Failed " 49618e0f3a66SSarang Radke "state\n", __func__); 49628e0f3a66SSarang Radke qla4xxx_dead_adapter_cleanup(ha); 49638e0f3a66SSarang Radke clear_bit(DPC_RETRY_RESET_HA, &ha->dpc_flags); 49648e0f3a66SSarang Radke clear_bit(DPC_RESET_HA, &ha->dpc_flags); 49658e0f3a66SSarang Radke clear_bit(DPC_RESET_HA_FW_CONTEXT, 49668e0f3a66SSarang Radke &ha->dpc_flags); 49678e0f3a66SSarang Radke status = QLA_ERROR; 49688e0f3a66SSarang Radke 49698e0f3a66SSarang Radke goto exit_recover; 49708e0f3a66SSarang Radke } 49718e0f3a66SSarang Radke } 49728e0f3a66SSarang Radke 4973afaf5a2dSDavid Somayajulu if (!test_bit(DPC_RETRY_RESET_HA, &ha->dpc_flags)) { 4974afaf5a2dSDavid Somayajulu ha->retry_reset_ha_cnt = MAX_RESET_HA_RETRIES; 4975afaf5a2dSDavid Somayajulu DEBUG2(printk("scsi%ld: recover adapter - retrying " 4976afaf5a2dSDavid Somayajulu "(%d) more times\n", ha->host_no, 4977afaf5a2dSDavid Somayajulu ha->retry_reset_ha_cnt)); 4978afaf5a2dSDavid Somayajulu set_bit(DPC_RETRY_RESET_HA, &ha->dpc_flags); 4979afaf5a2dSDavid Somayajulu status = QLA_ERROR; 4980afaf5a2dSDavid Somayajulu } else { 4981afaf5a2dSDavid Somayajulu if (ha->retry_reset_ha_cnt > 0) { 4982afaf5a2dSDavid Somayajulu /* Schedule another Reset HA--DPC will retry */ 4983afaf5a2dSDavid Somayajulu ha->retry_reset_ha_cnt--; 4984afaf5a2dSDavid Somayajulu DEBUG2(printk("scsi%ld: recover adapter - " 4985afaf5a2dSDavid Somayajulu "retry remaining %d\n", 4986afaf5a2dSDavid Somayajulu ha->host_no, 4987afaf5a2dSDavid Somayajulu ha->retry_reset_ha_cnt)); 4988afaf5a2dSDavid Somayajulu status = QLA_ERROR; 4989afaf5a2dSDavid Somayajulu } 4990afaf5a2dSDavid Somayajulu 4991afaf5a2dSDavid Somayajulu if (ha->retry_reset_ha_cnt == 0) { 4992afaf5a2dSDavid Somayajulu /* Recover adapter retries have been exhausted. 4993afaf5a2dSDavid Somayajulu * Adapter DEAD */ 4994afaf5a2dSDavid Somayajulu DEBUG2(printk("scsi%ld: recover adapter " 4995afaf5a2dSDavid Somayajulu "failed - board disabled\n", 4996afaf5a2dSDavid Somayajulu ha->host_no)); 4997f4f5df23SVikas Chaudhary qla4xxx_dead_adapter_cleanup(ha); 4998afaf5a2dSDavid Somayajulu clear_bit(DPC_RETRY_RESET_HA, &ha->dpc_flags); 4999afaf5a2dSDavid Somayajulu clear_bit(DPC_RESET_HA, &ha->dpc_flags); 5000f4f5df23SVikas Chaudhary clear_bit(DPC_RESET_HA_FW_CONTEXT, 5001afaf5a2dSDavid Somayajulu &ha->dpc_flags); 5002afaf5a2dSDavid Somayajulu status = QLA_ERROR; 5003afaf5a2dSDavid Somayajulu } 5004afaf5a2dSDavid Somayajulu } 5005afaf5a2dSDavid Somayajulu } else { 5006afaf5a2dSDavid Somayajulu clear_bit(DPC_RESET_HA, &ha->dpc_flags); 5007f4f5df23SVikas Chaudhary clear_bit(DPC_RESET_HA_FW_CONTEXT, &ha->dpc_flags); 5008afaf5a2dSDavid Somayajulu clear_bit(DPC_RETRY_RESET_HA, &ha->dpc_flags); 5009afaf5a2dSDavid Somayajulu } 5010afaf5a2dSDavid Somayajulu 50118e0f3a66SSarang Radke exit_recover: 5012afaf5a2dSDavid Somayajulu ha->adapter_error_count++; 5013afaf5a2dSDavid Somayajulu 5014f4f5df23SVikas Chaudhary if (test_bit(AF_ONLINE, &ha->flags)) 5015f4f5df23SVikas Chaudhary ha->isp_ops->enable_intrs(ha); 5016afaf5a2dSDavid Somayajulu 5017f4f5df23SVikas Chaudhary scsi_unblock_requests(ha->host); 5018f4f5df23SVikas Chaudhary 5019f4f5df23SVikas Chaudhary clear_bit(DPC_RESET_ACTIVE, &ha->dpc_flags); 5020f4f5df23SVikas Chaudhary DEBUG2(printk("scsi%ld: recover adapter: %s\n", ha->host_no, 502125985edcSLucas De Marchi status == QLA_ERROR ? "FAILED" : "SUCCEEDED")); 5022f4f5df23SVikas Chaudhary 5023afaf5a2dSDavid Somayajulu return status; 5024afaf5a2dSDavid Somayajulu } 5025afaf5a2dSDavid Somayajulu 5026b3a271a9SManish Rangankar static void qla4xxx_relogin_devices(struct iscsi_cls_session *cls_session) 5027b3a271a9SManish Rangankar { 5028b3a271a9SManish Rangankar struct iscsi_session *sess; 5029b3a271a9SManish Rangankar struct ddb_entry *ddb_entry; 5030b3a271a9SManish Rangankar struct scsi_qla_host *ha; 5031b3a271a9SManish Rangankar 5032b3a271a9SManish Rangankar sess = cls_session->dd_data; 5033b3a271a9SManish Rangankar ddb_entry = sess->dd_data; 5034b3a271a9SManish Rangankar ha = ddb_entry->ha; 5035b3a271a9SManish Rangankar if (!iscsi_is_session_online(cls_session)) { 5036b3a271a9SManish Rangankar if (ddb_entry->fw_ddb_device_state == DDB_DS_SESSION_ACTIVE) { 5037b3a271a9SManish Rangankar ql4_printk(KERN_INFO, ha, "scsi%ld: %s: ddb[%d]" 5038b3a271a9SManish Rangankar " unblock session\n", ha->host_no, __func__, 5039b3a271a9SManish Rangankar ddb_entry->fw_ddb_index); 5040b3a271a9SManish Rangankar iscsi_unblock_session(ddb_entry->sess); 5041b3a271a9SManish Rangankar } else { 5042b3a271a9SManish Rangankar /* Trigger relogin */ 504313483730SMike Christie if (ddb_entry->ddb_type == FLASH_DDB) { 504499c6a33bSAdheer Chandravanshi if (!(test_bit(DF_RELOGIN, &ddb_entry->flags) || 504599c6a33bSAdheer Chandravanshi test_bit(DF_DISABLE_RELOGIN, 504699c6a33bSAdheer Chandravanshi &ddb_entry->flags))) 504713483730SMike Christie qla4xxx_arm_relogin_timer(ddb_entry); 504813483730SMike Christie } else 5049b3a271a9SManish Rangankar iscsi_session_failure(cls_session->dd_data, 5050b3a271a9SManish Rangankar ISCSI_ERR_CONN_FAILED); 5051b3a271a9SManish Rangankar } 5052b3a271a9SManish Rangankar } 5053b3a271a9SManish Rangankar } 5054b3a271a9SManish Rangankar 505513483730SMike Christie int qla4xxx_unblock_flash_ddb(struct iscsi_cls_session *cls_session) 505613483730SMike Christie { 505713483730SMike Christie struct iscsi_session *sess; 505813483730SMike Christie struct ddb_entry *ddb_entry; 505913483730SMike Christie struct scsi_qla_host *ha; 506013483730SMike Christie 506113483730SMike Christie sess = cls_session->dd_data; 506213483730SMike Christie ddb_entry = sess->dd_data; 506313483730SMike Christie ha = ddb_entry->ha; 506413483730SMike Christie ql4_printk(KERN_INFO, ha, "scsi%ld: %s: ddb[%d]" 506513483730SMike Christie " unblock session\n", ha->host_no, __func__, 506613483730SMike Christie ddb_entry->fw_ddb_index); 506713483730SMike Christie 506813483730SMike Christie iscsi_unblock_session(ddb_entry->sess); 506913483730SMike Christie 507013483730SMike Christie /* Start scan target */ 507113483730SMike Christie if (test_bit(AF_ONLINE, &ha->flags)) { 507213483730SMike Christie ql4_printk(KERN_INFO, ha, "scsi%ld: %s: ddb[%d]" 507313483730SMike Christie " start scan\n", ha->host_no, __func__, 507413483730SMike Christie ddb_entry->fw_ddb_index); 507513483730SMike Christie scsi_queue_work(ha->host, &ddb_entry->sess->scan_work); 507613483730SMike Christie } 507713483730SMike Christie return QLA_SUCCESS; 507813483730SMike Christie } 507913483730SMike Christie 508013483730SMike Christie int qla4xxx_unblock_ddb(struct iscsi_cls_session *cls_session) 508113483730SMike Christie { 508213483730SMike Christie struct iscsi_session *sess; 508313483730SMike Christie struct ddb_entry *ddb_entry; 508413483730SMike Christie struct scsi_qla_host *ha; 508580c53e64SManish Rangankar int status = QLA_SUCCESS; 508613483730SMike Christie 508713483730SMike Christie sess = cls_session->dd_data; 508813483730SMike Christie ddb_entry = sess->dd_data; 508913483730SMike Christie ha = ddb_entry->ha; 509013483730SMike Christie ql4_printk(KERN_INFO, ha, "scsi%ld: %s: ddb[%d]" 509113483730SMike Christie " unblock user space session\n", ha->host_no, __func__, 509213483730SMike Christie ddb_entry->fw_ddb_index); 509380c53e64SManish Rangankar 509480c53e64SManish Rangankar if (!iscsi_is_session_online(cls_session)) { 509513483730SMike Christie iscsi_conn_start(ddb_entry->conn); 509613483730SMike Christie iscsi_conn_login_event(ddb_entry->conn, 509713483730SMike Christie ISCSI_CONN_STATE_LOGGED_IN); 509880c53e64SManish Rangankar } else { 509980c53e64SManish Rangankar ql4_printk(KERN_INFO, ha, 510080c53e64SManish Rangankar "scsi%ld: %s: ddb[%d] session [%d] already logged in\n", 510180c53e64SManish Rangankar ha->host_no, __func__, ddb_entry->fw_ddb_index, 510280c53e64SManish Rangankar cls_session->sid); 510380c53e64SManish Rangankar status = QLA_ERROR; 510480c53e64SManish Rangankar } 510513483730SMike Christie 510680c53e64SManish Rangankar return status; 510713483730SMike Christie } 510813483730SMike Christie 51092d7924e6SVikas Chaudhary static void qla4xxx_relogin_all_devices(struct scsi_qla_host *ha) 51102d7924e6SVikas Chaudhary { 5111b3a271a9SManish Rangankar iscsi_host_for_each_session(ha->host, qla4xxx_relogin_devices); 51122d7924e6SVikas Chaudhary } 51132d7924e6SVikas Chaudhary 511413483730SMike Christie static void qla4xxx_relogin_flash_ddb(struct iscsi_cls_session *cls_sess) 511513483730SMike Christie { 511613483730SMike Christie uint16_t relogin_timer; 511713483730SMike Christie struct iscsi_session *sess; 511813483730SMike Christie struct ddb_entry *ddb_entry; 511913483730SMike Christie struct scsi_qla_host *ha; 512013483730SMike Christie 512113483730SMike Christie sess = cls_sess->dd_data; 512213483730SMike Christie ddb_entry = sess->dd_data; 512313483730SMike Christie ha = ddb_entry->ha; 512413483730SMike Christie 512513483730SMike Christie relogin_timer = max(ddb_entry->default_relogin_timeout, 512613483730SMike Christie (uint16_t)RELOGIN_TOV); 512713483730SMike Christie atomic_set(&ddb_entry->relogin_timer, relogin_timer); 512813483730SMike Christie 512913483730SMike Christie DEBUG2(ql4_printk(KERN_INFO, ha, 513013483730SMike Christie "scsi%ld: Relogin index [%d]. TOV=%d\n", ha->host_no, 513113483730SMike Christie ddb_entry->fw_ddb_index, relogin_timer)); 513213483730SMike Christie 513313483730SMike Christie qla4xxx_login_flash_ddb(cls_sess); 513413483730SMike Christie } 513513483730SMike Christie 513613483730SMike Christie static void qla4xxx_dpc_relogin(struct iscsi_cls_session *cls_sess) 513713483730SMike Christie { 513813483730SMike Christie struct iscsi_session *sess; 513913483730SMike Christie struct ddb_entry *ddb_entry; 514013483730SMike Christie struct scsi_qla_host *ha; 514113483730SMike Christie 514213483730SMike Christie sess = cls_sess->dd_data; 514313483730SMike Christie ddb_entry = sess->dd_data; 514413483730SMike Christie ha = ddb_entry->ha; 514513483730SMike Christie 514613483730SMike Christie if (!(ddb_entry->ddb_type == FLASH_DDB)) 514713483730SMike Christie return; 514813483730SMike Christie 514999c6a33bSAdheer Chandravanshi if (test_bit(DF_DISABLE_RELOGIN, &ddb_entry->flags)) 515099c6a33bSAdheer Chandravanshi return; 515199c6a33bSAdheer Chandravanshi 515213483730SMike Christie if (test_and_clear_bit(DF_RELOGIN, &ddb_entry->flags) && 515313483730SMike Christie !iscsi_is_session_online(cls_sess)) { 515413483730SMike Christie DEBUG2(ql4_printk(KERN_INFO, ha, 515513483730SMike Christie "relogin issued\n")); 515613483730SMike Christie qla4xxx_relogin_flash_ddb(cls_sess); 515713483730SMike Christie } 515813483730SMike Christie } 515913483730SMike Christie 5160f4f5df23SVikas Chaudhary void qla4xxx_wake_dpc(struct scsi_qla_host *ha) 5161f4f5df23SVikas Chaudhary { 51621b46807eSLalit Chandivade if (ha->dpc_thread) 5163f4f5df23SVikas Chaudhary queue_work(ha->dpc_thread, &ha->dpc_work); 5164f4f5df23SVikas Chaudhary } 5165f4f5df23SVikas Chaudhary 5166ff884430SVikas Chaudhary static struct qla4_work_evt * 5167ff884430SVikas Chaudhary qla4xxx_alloc_work(struct scsi_qla_host *ha, uint32_t data_size, 5168ff884430SVikas Chaudhary enum qla4_work_type type) 5169ff884430SVikas Chaudhary { 5170ff884430SVikas Chaudhary struct qla4_work_evt *e; 5171ff884430SVikas Chaudhary uint32_t size = sizeof(struct qla4_work_evt) + data_size; 5172ff884430SVikas Chaudhary 5173ff884430SVikas Chaudhary e = kzalloc(size, GFP_ATOMIC); 5174ff884430SVikas Chaudhary if (!e) 5175ff884430SVikas Chaudhary return NULL; 5176ff884430SVikas Chaudhary 5177ff884430SVikas Chaudhary INIT_LIST_HEAD(&e->list); 5178ff884430SVikas Chaudhary e->type = type; 5179ff884430SVikas Chaudhary return e; 5180ff884430SVikas Chaudhary } 5181ff884430SVikas Chaudhary 5182ff884430SVikas Chaudhary static void qla4xxx_post_work(struct scsi_qla_host *ha, 5183ff884430SVikas Chaudhary struct qla4_work_evt *e) 5184ff884430SVikas Chaudhary { 5185ff884430SVikas Chaudhary unsigned long flags; 5186ff884430SVikas Chaudhary 5187ff884430SVikas Chaudhary spin_lock_irqsave(&ha->work_lock, flags); 5188ff884430SVikas Chaudhary list_add_tail(&e->list, &ha->work_list); 5189ff884430SVikas Chaudhary spin_unlock_irqrestore(&ha->work_lock, flags); 5190ff884430SVikas Chaudhary qla4xxx_wake_dpc(ha); 5191ff884430SVikas Chaudhary } 5192ff884430SVikas Chaudhary 5193ff884430SVikas Chaudhary int qla4xxx_post_aen_work(struct scsi_qla_host *ha, 5194ff884430SVikas Chaudhary enum iscsi_host_event_code aen_code, 5195ff884430SVikas Chaudhary uint32_t data_size, uint8_t *data) 5196ff884430SVikas Chaudhary { 5197ff884430SVikas Chaudhary struct qla4_work_evt *e; 5198ff884430SVikas Chaudhary 5199ff884430SVikas Chaudhary e = qla4xxx_alloc_work(ha, data_size, QLA4_EVENT_AEN); 5200ff884430SVikas Chaudhary if (!e) 5201ff884430SVikas Chaudhary return QLA_ERROR; 5202ff884430SVikas Chaudhary 5203ff884430SVikas Chaudhary e->u.aen.code = aen_code; 5204ff884430SVikas Chaudhary e->u.aen.data_size = data_size; 5205ff884430SVikas Chaudhary memcpy(e->u.aen.data, data, data_size); 5206ff884430SVikas Chaudhary 5207ff884430SVikas Chaudhary qla4xxx_post_work(ha, e); 5208ff884430SVikas Chaudhary 5209ff884430SVikas Chaudhary return QLA_SUCCESS; 5210ff884430SVikas Chaudhary } 5211ff884430SVikas Chaudhary 5212c0b9d3f7SVikas Chaudhary int qla4xxx_post_ping_evt_work(struct scsi_qla_host *ha, 5213c0b9d3f7SVikas Chaudhary uint32_t status, uint32_t pid, 5214c0b9d3f7SVikas Chaudhary uint32_t data_size, uint8_t *data) 5215c0b9d3f7SVikas Chaudhary { 5216c0b9d3f7SVikas Chaudhary struct qla4_work_evt *e; 5217c0b9d3f7SVikas Chaudhary 5218c0b9d3f7SVikas Chaudhary e = qla4xxx_alloc_work(ha, data_size, QLA4_EVENT_PING_STATUS); 5219c0b9d3f7SVikas Chaudhary if (!e) 5220c0b9d3f7SVikas Chaudhary return QLA_ERROR; 5221c0b9d3f7SVikas Chaudhary 5222c0b9d3f7SVikas Chaudhary e->u.ping.status = status; 5223c0b9d3f7SVikas Chaudhary e->u.ping.pid = pid; 5224c0b9d3f7SVikas Chaudhary e->u.ping.data_size = data_size; 5225c0b9d3f7SVikas Chaudhary memcpy(e->u.ping.data, data, data_size); 5226c0b9d3f7SVikas Chaudhary 5227c0b9d3f7SVikas Chaudhary qla4xxx_post_work(ha, e); 5228c0b9d3f7SVikas Chaudhary 5229c0b9d3f7SVikas Chaudhary return QLA_SUCCESS; 5230c0b9d3f7SVikas Chaudhary } 5231c0b9d3f7SVikas Chaudhary 5232a7380a65SVikas Chaudhary static void qla4xxx_do_work(struct scsi_qla_host *ha) 5233ff884430SVikas Chaudhary { 5234ff884430SVikas Chaudhary struct qla4_work_evt *e, *tmp; 5235ff884430SVikas Chaudhary unsigned long flags; 5236ff884430SVikas Chaudhary LIST_HEAD(work); 5237ff884430SVikas Chaudhary 5238ff884430SVikas Chaudhary spin_lock_irqsave(&ha->work_lock, flags); 5239ff884430SVikas Chaudhary list_splice_init(&ha->work_list, &work); 5240ff884430SVikas Chaudhary spin_unlock_irqrestore(&ha->work_lock, flags); 5241ff884430SVikas Chaudhary 5242ff884430SVikas Chaudhary list_for_each_entry_safe(e, tmp, &work, list) { 5243ff884430SVikas Chaudhary list_del_init(&e->list); 5244ff884430SVikas Chaudhary 5245ff884430SVikas Chaudhary switch (e->type) { 5246ff884430SVikas Chaudhary case QLA4_EVENT_AEN: 5247ff884430SVikas Chaudhary iscsi_post_host_event(ha->host_no, 5248ff884430SVikas Chaudhary &qla4xxx_iscsi_transport, 5249ff884430SVikas Chaudhary e->u.aen.code, 5250ff884430SVikas Chaudhary e->u.aen.data_size, 5251ff884430SVikas Chaudhary e->u.aen.data); 5252ff884430SVikas Chaudhary break; 5253c0b9d3f7SVikas Chaudhary case QLA4_EVENT_PING_STATUS: 5254c0b9d3f7SVikas Chaudhary iscsi_ping_comp_event(ha->host_no, 5255c0b9d3f7SVikas Chaudhary &qla4xxx_iscsi_transport, 5256c0b9d3f7SVikas Chaudhary e->u.ping.status, 5257c0b9d3f7SVikas Chaudhary e->u.ping.pid, 5258c0b9d3f7SVikas Chaudhary e->u.ping.data_size, 5259c0b9d3f7SVikas Chaudhary e->u.ping.data); 5260c0b9d3f7SVikas Chaudhary break; 5261ff884430SVikas Chaudhary default: 5262ff884430SVikas Chaudhary ql4_printk(KERN_WARNING, ha, "event type: 0x%x not " 5263ff884430SVikas Chaudhary "supported", e->type); 5264ff884430SVikas Chaudhary } 5265ff884430SVikas Chaudhary kfree(e); 5266ff884430SVikas Chaudhary } 5267ff884430SVikas Chaudhary } 5268ff884430SVikas Chaudhary 5269afaf5a2dSDavid Somayajulu /** 5270afaf5a2dSDavid Somayajulu * qla4xxx_do_dpc - dpc routine 5271afaf5a2dSDavid Somayajulu * @data: in our case pointer to adapter structure 5272afaf5a2dSDavid Somayajulu * 5273afaf5a2dSDavid Somayajulu * This routine is a task that is schedule by the interrupt handler 5274afaf5a2dSDavid Somayajulu * to perform the background processing for interrupts. We put it 5275afaf5a2dSDavid Somayajulu * on a task queue that is consumed whenever the scheduler runs; that's 5276afaf5a2dSDavid Somayajulu * so you can do anything (i.e. put the process to sleep etc). In fact, 5277afaf5a2dSDavid Somayajulu * the mid-level tries to sleep when it reaches the driver threshold 5278afaf5a2dSDavid Somayajulu * "host->can_queue". This can cause a panic if we were in our interrupt code. 5279afaf5a2dSDavid Somayajulu **/ 5280c4028958SDavid Howells static void qla4xxx_do_dpc(struct work_struct *work) 5281afaf5a2dSDavid Somayajulu { 5282c4028958SDavid Howells struct scsi_qla_host *ha = 5283c4028958SDavid Howells container_of(work, struct scsi_qla_host, dpc_work); 5284477ffb9dSDavid C Somayajulu int status = QLA_ERROR; 5285afaf5a2dSDavid Somayajulu 5286a7e5688dSVikas Chaudhary DEBUG2(ql4_printk(KERN_INFO, ha, 5287a7e5688dSVikas Chaudhary "scsi%ld: %s: DPC handler waking up. flags = 0x%08lx, dpc_flags = 0x%08lx\n", 5288a7e5688dSVikas Chaudhary ha->host_no, __func__, ha->flags, ha->dpc_flags)); 5289afaf5a2dSDavid Somayajulu 5290afaf5a2dSDavid Somayajulu /* Initialization not yet finished. Don't do anything yet. */ 5291afaf5a2dSDavid Somayajulu if (!test_bit(AF_INIT_DONE, &ha->flags)) 52921b46807eSLalit Chandivade return; 5293afaf5a2dSDavid Somayajulu 52942232be0dSLalit Chandivade if (test_bit(AF_EEH_BUSY, &ha->flags)) { 52952232be0dSLalit Chandivade DEBUG2(printk(KERN_INFO "scsi%ld: %s: flags = %lx\n", 52962232be0dSLalit Chandivade ha->host_no, __func__, ha->flags)); 52971b46807eSLalit Chandivade return; 52982232be0dSLalit Chandivade } 52992232be0dSLalit Chandivade 5300ff884430SVikas Chaudhary /* post events to application */ 5301ff884430SVikas Chaudhary qla4xxx_do_work(ha); 5302ff884430SVikas Chaudhary 53036e7b4292SVikas Chaudhary if (is_qla80XX(ha)) { 5304f4f5df23SVikas Chaudhary if (test_bit(DPC_HA_UNRECOVERABLE, &ha->dpc_flags)) { 5305b37ca418SVikas Chaudhary if (is_qla8032(ha) || is_qla8042(ha)) { 5306546fef27STej Parkash ql4_printk(KERN_INFO, ha, "%s: disabling pause transmit on port 0 & 1.\n", 5307546fef27STej Parkash __func__); 5308546fef27STej Parkash /* disable pause frame for ISP83xx */ 5309546fef27STej Parkash qla4_83xx_disable_pause(ha); 5310546fef27STej Parkash } 5311546fef27STej Parkash 531233693c7aSVikas Chaudhary ha->isp_ops->idc_lock(ha); 531333693c7aSVikas Chaudhary qla4_8xxx_wr_direct(ha, QLA8XXX_CRB_DEV_STATE, 5314de8c72daSVikas Chaudhary QLA8XXX_DEV_FAILED); 531533693c7aSVikas Chaudhary ha->isp_ops->idc_unlock(ha); 5316f4f5df23SVikas Chaudhary ql4_printk(KERN_INFO, ha, "HW State: FAILED\n"); 5317f4f5df23SVikas Chaudhary qla4_8xxx_device_state_handler(ha); 5318f4f5df23SVikas Chaudhary } 5319320a61deSNilesh Javali 53207ab284c9SNilesh Javali if (test_bit(DPC_POST_IDC_ACK, &ha->dpc_flags)) { 53217ab284c9SNilesh Javali if (is_qla8042(ha)) { 53227ab284c9SNilesh Javali if (ha->idc_info.info2 & 53237ab284c9SNilesh Javali ENABLE_INTERNAL_LOOPBACK) { 53247ab284c9SNilesh Javali ql4_printk(KERN_INFO, ha, "%s: Disabling ACB\n", 53257ab284c9SNilesh Javali __func__); 53267ab284c9SNilesh Javali status = qla4_84xx_config_acb(ha, 53277ab284c9SNilesh Javali ACB_CONFIG_DISABLE); 53287ab284c9SNilesh Javali if (status != QLA_SUCCESS) { 53297ab284c9SNilesh Javali ql4_printk(KERN_INFO, ha, "%s: ACB config failed\n", 53307ab284c9SNilesh Javali __func__); 53317ab284c9SNilesh Javali } 53327ab284c9SNilesh Javali } 53337ab284c9SNilesh Javali } 5334320a61deSNilesh Javali qla4_83xx_post_idc_ack(ha); 53357ab284c9SNilesh Javali clear_bit(DPC_POST_IDC_ACK, &ha->dpc_flags); 53367ab284c9SNilesh Javali } 53377ab284c9SNilesh Javali 53387ab284c9SNilesh Javali if (is_qla8042(ha) && 53397ab284c9SNilesh Javali test_bit(DPC_RESTORE_ACB, &ha->dpc_flags)) { 53407ab284c9SNilesh Javali ql4_printk(KERN_INFO, ha, "%s: Restoring ACB\n", 53417ab284c9SNilesh Javali __func__); 53427ab284c9SNilesh Javali if (qla4_84xx_config_acb(ha, ACB_CONFIG_SET) != 53437ab284c9SNilesh Javali QLA_SUCCESS) { 53447ab284c9SNilesh Javali ql4_printk(KERN_INFO, ha, "%s: ACB config failed ", 53457ab284c9SNilesh Javali __func__); 53467ab284c9SNilesh Javali } 53477ab284c9SNilesh Javali clear_bit(DPC_RESTORE_ACB, &ha->dpc_flags); 53487ab284c9SNilesh Javali } 5349320a61deSNilesh Javali 5350f4f5df23SVikas Chaudhary if (test_and_clear_bit(DPC_HA_NEED_QUIESCENT, &ha->dpc_flags)) { 5351f4f5df23SVikas Chaudhary qla4_8xxx_need_qsnt_handler(ha); 5352f4f5df23SVikas Chaudhary } 5353f4f5df23SVikas Chaudhary } 5354f4f5df23SVikas Chaudhary 5355f4f5df23SVikas Chaudhary if (!test_bit(DPC_RESET_ACTIVE, &ha->dpc_flags) && 5356f4f5df23SVikas Chaudhary (test_bit(DPC_RESET_HA, &ha->dpc_flags) || 5357afaf5a2dSDavid Somayajulu test_bit(DPC_RESET_HA_INTR, &ha->dpc_flags) || 5358f4f5df23SVikas Chaudhary test_bit(DPC_RESET_HA_FW_CONTEXT, &ha->dpc_flags))) { 53596e7b4292SVikas Chaudhary if ((is_qla8022(ha) && ql4xdontresethba) || 5360b37ca418SVikas Chaudhary ((is_qla8032(ha) || is_qla8042(ha)) && 5361b37ca418SVikas Chaudhary qla4_83xx_idc_dontreset(ha))) { 5362f4f5df23SVikas Chaudhary DEBUG2(printk("scsi%ld: %s: Don't Reset HBA\n", 5363f4f5df23SVikas Chaudhary ha->host_no, __func__)); 5364f4f5df23SVikas Chaudhary clear_bit(DPC_RESET_HA, &ha->dpc_flags); 5365f4f5df23SVikas Chaudhary clear_bit(DPC_RESET_HA_INTR, &ha->dpc_flags); 5366f4f5df23SVikas Chaudhary clear_bit(DPC_RESET_HA_FW_CONTEXT, &ha->dpc_flags); 5367f4f5df23SVikas Chaudhary goto dpc_post_reset_ha; 5368f4f5df23SVikas Chaudhary } 5369f4f5df23SVikas Chaudhary if (test_bit(DPC_RESET_HA_FW_CONTEXT, &ha->dpc_flags) || 5370f26b9044SDavid C Somayajulu test_bit(DPC_RESET_HA, &ha->dpc_flags)) 5371f4f5df23SVikas Chaudhary qla4xxx_recover_adapter(ha); 5372afaf5a2dSDavid Somayajulu 5373477ffb9dSDavid C Somayajulu if (test_bit(DPC_RESET_HA_INTR, &ha->dpc_flags)) { 5374afaf5a2dSDavid Somayajulu uint8_t wait_time = RESET_INTR_TOV; 5375afaf5a2dSDavid Somayajulu 5376afaf5a2dSDavid Somayajulu while ((readw(&ha->reg->ctrl_status) & 5377afaf5a2dSDavid Somayajulu (CSR_SOFT_RESET | CSR_FORCE_SOFT_RESET)) != 0) { 5378afaf5a2dSDavid Somayajulu if (--wait_time == 0) 5379afaf5a2dSDavid Somayajulu break; 5380afaf5a2dSDavid Somayajulu msleep(1000); 5381afaf5a2dSDavid Somayajulu } 5382afaf5a2dSDavid Somayajulu if (wait_time == 0) 5383afaf5a2dSDavid Somayajulu DEBUG2(printk("scsi%ld: %s: SR|FSR " 5384afaf5a2dSDavid Somayajulu "bit not cleared-- resetting\n", 5385afaf5a2dSDavid Somayajulu ha->host_no, __func__)); 5386f4f5df23SVikas Chaudhary qla4xxx_abort_active_cmds(ha, DID_RESET << 16); 5387477ffb9dSDavid C Somayajulu if (ql4xxx_lock_drvr_wait(ha) == QLA_SUCCESS) { 5388477ffb9dSDavid C Somayajulu qla4xxx_process_aen(ha, FLUSH_DDB_CHANGED_AENS); 5389f4f5df23SVikas Chaudhary status = qla4xxx_recover_adapter(ha); 5390477ffb9dSDavid C Somayajulu } 5391477ffb9dSDavid C Somayajulu clear_bit(DPC_RESET_HA_INTR, &ha->dpc_flags); 5392477ffb9dSDavid C Somayajulu if (status == QLA_SUCCESS) 5393f4f5df23SVikas Chaudhary ha->isp_ops->enable_intrs(ha); 5394afaf5a2dSDavid Somayajulu } 5395afaf5a2dSDavid Somayajulu } 5396afaf5a2dSDavid Somayajulu 5397f4f5df23SVikas Chaudhary dpc_post_reset_ha: 5398afaf5a2dSDavid Somayajulu /* ---- process AEN? --- */ 5399afaf5a2dSDavid Somayajulu if (test_and_clear_bit(DPC_AEN, &ha->dpc_flags)) 5400afaf5a2dSDavid Somayajulu qla4xxx_process_aen(ha, PROCESS_ALL_AENS); 5401afaf5a2dSDavid Somayajulu 5402afaf5a2dSDavid Somayajulu /* ---- Get DHCP IP Address? --- */ 5403afaf5a2dSDavid Somayajulu if (test_and_clear_bit(DPC_GET_DHCP_IP_ADDR, &ha->dpc_flags)) 5404afaf5a2dSDavid Somayajulu qla4xxx_get_dhcp_ip_address(ha); 5405afaf5a2dSDavid Somayajulu 540613483730SMike Christie /* ---- relogin device? --- */ 540713483730SMike Christie if (adapter_up(ha) && 540813483730SMike Christie test_and_clear_bit(DPC_RELOGIN_DEVICE, &ha->dpc_flags)) { 540913483730SMike Christie iscsi_host_for_each_session(ha->host, qla4xxx_dpc_relogin); 541013483730SMike Christie } 541113483730SMike Christie 5412065aa1b4SVikas Chaudhary /* ---- link change? --- */ 5413026fbd3aSNilesh Javali if (!test_bit(AF_LOOPBACK, &ha->flags) && 5414026fbd3aSNilesh Javali test_and_clear_bit(DPC_LINK_CHANGED, &ha->dpc_flags)) { 5415065aa1b4SVikas Chaudhary if (!test_bit(AF_LINK_UP, &ha->flags)) { 5416065aa1b4SVikas Chaudhary /* ---- link down? --- */ 54172d7924e6SVikas Chaudhary qla4xxx_mark_all_devices_missing(ha); 5418065aa1b4SVikas Chaudhary } else { 5419065aa1b4SVikas Chaudhary /* ---- link up? --- * 5420065aa1b4SVikas Chaudhary * F/W will auto login to all devices ONLY ONCE after 5421065aa1b4SVikas Chaudhary * link up during driver initialization and runtime 5422065aa1b4SVikas Chaudhary * fatal error recovery. Therefore, the driver must 5423065aa1b4SVikas Chaudhary * manually relogin to devices when recovering from 5424065aa1b4SVikas Chaudhary * connection failures, logouts, expired KATO, etc. */ 542513483730SMike Christie if (test_and_clear_bit(AF_BUILD_DDB_LIST, &ha->flags)) { 542613483730SMike Christie qla4xxx_build_ddb_list(ha, ha->is_reset); 542713483730SMike Christie iscsi_host_for_each_session(ha->host, 542813483730SMike Christie qla4xxx_login_flash_ddb); 542913483730SMike Christie } else 54302d7924e6SVikas Chaudhary qla4xxx_relogin_all_devices(ha); 5431065aa1b4SVikas Chaudhary } 5432065aa1b4SVikas Chaudhary } 5433906cbf3dSNilesh Javali if (test_and_clear_bit(DPC_SYSFS_DDB_EXPORT, &ha->dpc_flags)) { 5434906cbf3dSNilesh Javali if (qla4xxx_sysfs_ddb_export(ha)) 5435906cbf3dSNilesh Javali ql4_printk(KERN_ERR, ha, "%s: Error exporting ddb to sysfs\n", 5436906cbf3dSNilesh Javali __func__); 5437906cbf3dSNilesh Javali } 5438afaf5a2dSDavid Somayajulu } 5439afaf5a2dSDavid Somayajulu 5440afaf5a2dSDavid Somayajulu /** 5441afaf5a2dSDavid Somayajulu * qla4xxx_free_adapter - release the adapter 5442afaf5a2dSDavid Somayajulu * @ha: pointer to adapter structure 5443afaf5a2dSDavid Somayajulu **/ 5444afaf5a2dSDavid Somayajulu static void qla4xxx_free_adapter(struct scsi_qla_host *ha) 5445afaf5a2dSDavid Somayajulu { 54468a288960SSarang Radke qla4xxx_abort_active_cmds(ha, DID_NO_CONNECT << 16); 5447afaf5a2dSDavid Somayajulu 5448afaf5a2dSDavid Somayajulu /* Turn-off interrupts on the card. */ 5449f4f5df23SVikas Chaudhary ha->isp_ops->disable_intrs(ha); 5450afaf5a2dSDavid Somayajulu 5451d9e62e51SVikas Chaudhary if (is_qla40XX(ha)) { 5452d9e62e51SVikas Chaudhary writel(set_rmask(CSR_SCSI_PROCESSOR_INTR), 5453d9e62e51SVikas Chaudhary &ha->reg->ctrl_status); 5454d9e62e51SVikas Chaudhary readl(&ha->reg->ctrl_status); 5455d9e62e51SVikas Chaudhary } else if (is_qla8022(ha)) { 54567664a1fdSVikas Chaudhary writel(0, &ha->qla4_82xx_reg->host_int); 54577664a1fdSVikas Chaudhary readl(&ha->qla4_82xx_reg->host_int); 5458b37ca418SVikas Chaudhary } else if (is_qla8032(ha) || is_qla8042(ha)) { 5459fbd8107cSVikas Chaudhary writel(0, &ha->qla4_83xx_reg->risc_intr); 5460fbd8107cSVikas Chaudhary readl(&ha->qla4_83xx_reg->risc_intr); 5461d9e62e51SVikas Chaudhary } 5462d9e62e51SVikas Chaudhary 5463afaf5a2dSDavid Somayajulu /* Remove timer thread, if present */ 5464afaf5a2dSDavid Somayajulu if (ha->timer_active) 5465afaf5a2dSDavid Somayajulu qla4xxx_stop_timer(ha); 5466afaf5a2dSDavid Somayajulu 5467f4f5df23SVikas Chaudhary /* Kill the kernel thread for this host */ 5468f4f5df23SVikas Chaudhary if (ha->dpc_thread) 5469f4f5df23SVikas Chaudhary destroy_workqueue(ha->dpc_thread); 5470f4f5df23SVikas Chaudhary 5471b3a271a9SManish Rangankar /* Kill the kernel thread for this host */ 5472b3a271a9SManish Rangankar if (ha->task_wq) 5473b3a271a9SManish Rangankar destroy_workqueue(ha->task_wq); 5474b3a271a9SManish Rangankar 5475f4f5df23SVikas Chaudhary /* Put firmware in known state */ 5476f4f5df23SVikas Chaudhary ha->isp_ops->reset_firmware(ha); 5477f4f5df23SVikas Chaudhary 54786e7b4292SVikas Chaudhary if (is_qla80XX(ha)) { 547933693c7aSVikas Chaudhary ha->isp_ops->idc_lock(ha); 5480f4f5df23SVikas Chaudhary qla4_8xxx_clear_drv_active(ha); 548133693c7aSVikas Chaudhary ha->isp_ops->idc_unlock(ha); 5482f4f5df23SVikas Chaudhary } 5483f4f5df23SVikas Chaudhary 5484afaf5a2dSDavid Somayajulu /* Detach interrupts */ 5485f4f5df23SVikas Chaudhary qla4xxx_free_irqs(ha); 5486afaf5a2dSDavid Somayajulu 5487bee4fe8eSDavid C Somayajulu /* free extra memory */ 5488bee4fe8eSDavid C Somayajulu qla4xxx_mem_free(ha); 5489f4f5df23SVikas Chaudhary } 5490bee4fe8eSDavid C Somayajulu 5491f4f5df23SVikas Chaudhary int qla4_8xxx_iospace_config(struct scsi_qla_host *ha) 5492f4f5df23SVikas Chaudhary { 5493f4f5df23SVikas Chaudhary int status = 0; 5494f4f5df23SVikas Chaudhary unsigned long mem_base, mem_len, db_base, db_len; 5495f4f5df23SVikas Chaudhary struct pci_dev *pdev = ha->pdev; 5496afaf5a2dSDavid Somayajulu 5497f4f5df23SVikas Chaudhary status = pci_request_regions(pdev, DRIVER_NAME); 5498f4f5df23SVikas Chaudhary if (status) { 5499f4f5df23SVikas Chaudhary printk(KERN_WARNING 5500f4f5df23SVikas Chaudhary "scsi(%ld) Failed to reserve PIO regions (%s) " 5501f4f5df23SVikas Chaudhary "status=%d\n", ha->host_no, pci_name(pdev), status); 5502f4f5df23SVikas Chaudhary goto iospace_error_exit; 5503f4f5df23SVikas Chaudhary } 5504f4f5df23SVikas Chaudhary 5505f4f5df23SVikas Chaudhary DEBUG2(printk(KERN_INFO "%s: revision-id=%d\n", 55067d7311c4SSergei Shtylyov __func__, pdev->revision)); 55077d7311c4SSergei Shtylyov ha->revision_id = pdev->revision; 5508f4f5df23SVikas Chaudhary 5509f4f5df23SVikas Chaudhary /* remap phys address */ 5510f4f5df23SVikas Chaudhary mem_base = pci_resource_start(pdev, 0); /* 0 is for BAR 0 */ 5511f4f5df23SVikas Chaudhary mem_len = pci_resource_len(pdev, 0); 5512f4f5df23SVikas Chaudhary DEBUG2(printk(KERN_INFO "%s: ioremap from %lx a size of %lx\n", 5513f4f5df23SVikas Chaudhary __func__, mem_base, mem_len)); 5514f4f5df23SVikas Chaudhary 5515f4f5df23SVikas Chaudhary /* mapping of pcibase pointer */ 5516f4f5df23SVikas Chaudhary ha->nx_pcibase = (unsigned long)ioremap(mem_base, mem_len); 5517f4f5df23SVikas Chaudhary if (!ha->nx_pcibase) { 5518f4f5df23SVikas Chaudhary printk(KERN_ERR 5519f4f5df23SVikas Chaudhary "cannot remap MMIO (%s), aborting\n", pci_name(pdev)); 5520f4f5df23SVikas Chaudhary pci_release_regions(ha->pdev); 5521f4f5df23SVikas Chaudhary goto iospace_error_exit; 5522f4f5df23SVikas Chaudhary } 5523f4f5df23SVikas Chaudhary 5524f4f5df23SVikas Chaudhary /* Mapping of IO base pointer, door bell read and write pointer */ 5525f4f5df23SVikas Chaudhary 5526f4f5df23SVikas Chaudhary /* mapping of IO base pointer */ 55276e7b4292SVikas Chaudhary if (is_qla8022(ha)) { 55286e7b4292SVikas Chaudhary ha->qla4_82xx_reg = (struct device_reg_82xx __iomem *) 55296e7b4292SVikas Chaudhary ((uint8_t *)ha->nx_pcibase + 0xbc000 + 55306e7b4292SVikas Chaudhary (ha->pdev->devfn << 11)); 55316e7b4292SVikas Chaudhary ha->nx_db_wr_ptr = (ha->pdev->devfn == 4 ? QLA82XX_CAM_RAM_DB1 : 55326e7b4292SVikas Chaudhary QLA82XX_CAM_RAM_DB2); 5533b37ca418SVikas Chaudhary } else if (is_qla8032(ha) || is_qla8042(ha)) { 55346e7b4292SVikas Chaudhary ha->qla4_83xx_reg = (struct device_reg_83xx __iomem *) 55356e7b4292SVikas Chaudhary ((uint8_t *)ha->nx_pcibase); 55366e7b4292SVikas Chaudhary } 5537f4f5df23SVikas Chaudhary 5538f4f5df23SVikas Chaudhary db_base = pci_resource_start(pdev, 4); /* doorbell is on bar 4 */ 5539f4f5df23SVikas Chaudhary db_len = pci_resource_len(pdev, 4); 5540f4f5df23SVikas Chaudhary 55412657c800SShyam Sundar return 0; 5542f4f5df23SVikas Chaudhary iospace_error_exit: 5543f4f5df23SVikas Chaudhary return -ENOMEM; 5544afaf5a2dSDavid Somayajulu } 5545afaf5a2dSDavid Somayajulu 5546afaf5a2dSDavid Somayajulu /*** 5547afaf5a2dSDavid Somayajulu * qla4xxx_iospace_config - maps registers 5548afaf5a2dSDavid Somayajulu * @ha: pointer to adapter structure 5549afaf5a2dSDavid Somayajulu * 5550afaf5a2dSDavid Somayajulu * This routines maps HBA's registers from the pci address space 5551afaf5a2dSDavid Somayajulu * into the kernel virtual address space for memory mapped i/o. 5552afaf5a2dSDavid Somayajulu **/ 5553f4f5df23SVikas Chaudhary int qla4xxx_iospace_config(struct scsi_qla_host *ha) 5554afaf5a2dSDavid Somayajulu { 5555afaf5a2dSDavid Somayajulu unsigned long pio, pio_len, pio_flags; 5556afaf5a2dSDavid Somayajulu unsigned long mmio, mmio_len, mmio_flags; 5557afaf5a2dSDavid Somayajulu 5558afaf5a2dSDavid Somayajulu pio = pci_resource_start(ha->pdev, 0); 5559afaf5a2dSDavid Somayajulu pio_len = pci_resource_len(ha->pdev, 0); 5560afaf5a2dSDavid Somayajulu pio_flags = pci_resource_flags(ha->pdev, 0); 5561afaf5a2dSDavid Somayajulu if (pio_flags & IORESOURCE_IO) { 5562afaf5a2dSDavid Somayajulu if (pio_len < MIN_IOBASE_LEN) { 5563c2660df3SVikas Chaudhary ql4_printk(KERN_WARNING, ha, 5564afaf5a2dSDavid Somayajulu "Invalid PCI I/O region size\n"); 5565afaf5a2dSDavid Somayajulu pio = 0; 5566afaf5a2dSDavid Somayajulu } 5567afaf5a2dSDavid Somayajulu } else { 5568c2660df3SVikas Chaudhary ql4_printk(KERN_WARNING, ha, "region #0 not a PIO resource\n"); 5569afaf5a2dSDavid Somayajulu pio = 0; 5570afaf5a2dSDavid Somayajulu } 5571afaf5a2dSDavid Somayajulu 5572afaf5a2dSDavid Somayajulu /* Use MMIO operations for all accesses. */ 5573afaf5a2dSDavid Somayajulu mmio = pci_resource_start(ha->pdev, 1); 5574afaf5a2dSDavid Somayajulu mmio_len = pci_resource_len(ha->pdev, 1); 5575afaf5a2dSDavid Somayajulu mmio_flags = pci_resource_flags(ha->pdev, 1); 5576afaf5a2dSDavid Somayajulu 5577afaf5a2dSDavid Somayajulu if (!(mmio_flags & IORESOURCE_MEM)) { 5578c2660df3SVikas Chaudhary ql4_printk(KERN_ERR, ha, 5579afaf5a2dSDavid Somayajulu "region #0 not an MMIO resource, aborting\n"); 5580afaf5a2dSDavid Somayajulu 5581afaf5a2dSDavid Somayajulu goto iospace_error_exit; 5582afaf5a2dSDavid Somayajulu } 5583c2660df3SVikas Chaudhary 5584afaf5a2dSDavid Somayajulu if (mmio_len < MIN_IOBASE_LEN) { 5585c2660df3SVikas Chaudhary ql4_printk(KERN_ERR, ha, 5586afaf5a2dSDavid Somayajulu "Invalid PCI mem region size, aborting\n"); 5587afaf5a2dSDavid Somayajulu goto iospace_error_exit; 5588afaf5a2dSDavid Somayajulu } 5589afaf5a2dSDavid Somayajulu 5590afaf5a2dSDavid Somayajulu if (pci_request_regions(ha->pdev, DRIVER_NAME)) { 5591c2660df3SVikas Chaudhary ql4_printk(KERN_WARNING, ha, 5592afaf5a2dSDavid Somayajulu "Failed to reserve PIO/MMIO regions\n"); 5593afaf5a2dSDavid Somayajulu 5594afaf5a2dSDavid Somayajulu goto iospace_error_exit; 5595afaf5a2dSDavid Somayajulu } 5596afaf5a2dSDavid Somayajulu 5597afaf5a2dSDavid Somayajulu ha->pio_address = pio; 5598afaf5a2dSDavid Somayajulu ha->pio_length = pio_len; 5599afaf5a2dSDavid Somayajulu ha->reg = ioremap(mmio, MIN_IOBASE_LEN); 5600afaf5a2dSDavid Somayajulu if (!ha->reg) { 5601c2660df3SVikas Chaudhary ql4_printk(KERN_ERR, ha, 5602afaf5a2dSDavid Somayajulu "cannot remap MMIO, aborting\n"); 5603afaf5a2dSDavid Somayajulu 5604afaf5a2dSDavid Somayajulu goto iospace_error_exit; 5605afaf5a2dSDavid Somayajulu } 5606afaf5a2dSDavid Somayajulu 5607afaf5a2dSDavid Somayajulu return 0; 5608afaf5a2dSDavid Somayajulu 5609afaf5a2dSDavid Somayajulu iospace_error_exit: 5610afaf5a2dSDavid Somayajulu return -ENOMEM; 5611afaf5a2dSDavid Somayajulu } 5612afaf5a2dSDavid Somayajulu 5613f4f5df23SVikas Chaudhary static struct isp_operations qla4xxx_isp_ops = { 5614f4f5df23SVikas Chaudhary .iospace_config = qla4xxx_iospace_config, 5615f4f5df23SVikas Chaudhary .pci_config = qla4xxx_pci_config, 5616f4f5df23SVikas Chaudhary .disable_intrs = qla4xxx_disable_intrs, 5617f4f5df23SVikas Chaudhary .enable_intrs = qla4xxx_enable_intrs, 5618f4f5df23SVikas Chaudhary .start_firmware = qla4xxx_start_firmware, 5619f4f5df23SVikas Chaudhary .intr_handler = qla4xxx_intr_handler, 5620f4f5df23SVikas Chaudhary .interrupt_service_routine = qla4xxx_interrupt_service_routine, 5621f4f5df23SVikas Chaudhary .reset_chip = qla4xxx_soft_reset, 5622f4f5df23SVikas Chaudhary .reset_firmware = qla4xxx_hw_reset, 5623f4f5df23SVikas Chaudhary .queue_iocb = qla4xxx_queue_iocb, 5624f4f5df23SVikas Chaudhary .complete_iocb = qla4xxx_complete_iocb, 5625f4f5df23SVikas Chaudhary .rd_shdw_req_q_out = qla4xxx_rd_shdw_req_q_out, 5626f4f5df23SVikas Chaudhary .rd_shdw_rsp_q_in = qla4xxx_rd_shdw_rsp_q_in, 5627f4f5df23SVikas Chaudhary .get_sys_info = qla4xxx_get_sys_info, 562833693c7aSVikas Chaudhary .queue_mailbox_command = qla4xxx_queue_mbox_cmd, 562933693c7aSVikas Chaudhary .process_mailbox_interrupt = qla4xxx_process_mbox_intr, 5630f4f5df23SVikas Chaudhary }; 5631f4f5df23SVikas Chaudhary 56327664a1fdSVikas Chaudhary static struct isp_operations qla4_82xx_isp_ops = { 5633f4f5df23SVikas Chaudhary .iospace_config = qla4_8xxx_iospace_config, 5634f4f5df23SVikas Chaudhary .pci_config = qla4_8xxx_pci_config, 5635f8086f4fSVikas Chaudhary .disable_intrs = qla4_82xx_disable_intrs, 5636f8086f4fSVikas Chaudhary .enable_intrs = qla4_82xx_enable_intrs, 5637f4f5df23SVikas Chaudhary .start_firmware = qla4_8xxx_load_risc, 563833693c7aSVikas Chaudhary .restart_firmware = qla4_82xx_try_start_fw, 5639f8086f4fSVikas Chaudhary .intr_handler = qla4_82xx_intr_handler, 5640f8086f4fSVikas Chaudhary .interrupt_service_routine = qla4_82xx_interrupt_service_routine, 564133693c7aSVikas Chaudhary .need_reset = qla4_8xxx_need_reset, 5642f8086f4fSVikas Chaudhary .reset_chip = qla4_82xx_isp_reset, 5643f4f5df23SVikas Chaudhary .reset_firmware = qla4_8xxx_stop_firmware, 5644f8086f4fSVikas Chaudhary .queue_iocb = qla4_82xx_queue_iocb, 5645f8086f4fSVikas Chaudhary .complete_iocb = qla4_82xx_complete_iocb, 5646f8086f4fSVikas Chaudhary .rd_shdw_req_q_out = qla4_82xx_rd_shdw_req_q_out, 5647f8086f4fSVikas Chaudhary .rd_shdw_rsp_q_in = qla4_82xx_rd_shdw_rsp_q_in, 5648f4f5df23SVikas Chaudhary .get_sys_info = qla4_8xxx_get_sys_info, 564933693c7aSVikas Chaudhary .rd_reg_direct = qla4_82xx_rd_32, 565033693c7aSVikas Chaudhary .wr_reg_direct = qla4_82xx_wr_32, 565133693c7aSVikas Chaudhary .rd_reg_indirect = qla4_82xx_md_rd_32, 565233693c7aSVikas Chaudhary .wr_reg_indirect = qla4_82xx_md_wr_32, 565333693c7aSVikas Chaudhary .idc_lock = qla4_82xx_idc_lock, 565433693c7aSVikas Chaudhary .idc_unlock = qla4_82xx_idc_unlock, 565533693c7aSVikas Chaudhary .rom_lock_recovery = qla4_82xx_rom_lock_recovery, 565633693c7aSVikas Chaudhary .queue_mailbox_command = qla4_82xx_queue_mbox_cmd, 565733693c7aSVikas Chaudhary .process_mailbox_interrupt = qla4_82xx_process_mbox_intr, 5658f4f5df23SVikas Chaudhary }; 5659f4f5df23SVikas Chaudhary 56606e7b4292SVikas Chaudhary static struct isp_operations qla4_83xx_isp_ops = { 56616e7b4292SVikas Chaudhary .iospace_config = qla4_8xxx_iospace_config, 56626e7b4292SVikas Chaudhary .pci_config = qla4_8xxx_pci_config, 56636e7b4292SVikas Chaudhary .disable_intrs = qla4_83xx_disable_intrs, 56646e7b4292SVikas Chaudhary .enable_intrs = qla4_83xx_enable_intrs, 56656e7b4292SVikas Chaudhary .start_firmware = qla4_8xxx_load_risc, 56666e7b4292SVikas Chaudhary .restart_firmware = qla4_83xx_start_firmware, 56676e7b4292SVikas Chaudhary .intr_handler = qla4_83xx_intr_handler, 56686e7b4292SVikas Chaudhary .interrupt_service_routine = qla4_83xx_interrupt_service_routine, 56696e7b4292SVikas Chaudhary .need_reset = qla4_8xxx_need_reset, 56706e7b4292SVikas Chaudhary .reset_chip = qla4_83xx_isp_reset, 56716e7b4292SVikas Chaudhary .reset_firmware = qla4_8xxx_stop_firmware, 56726e7b4292SVikas Chaudhary .queue_iocb = qla4_83xx_queue_iocb, 56736e7b4292SVikas Chaudhary .complete_iocb = qla4_83xx_complete_iocb, 5674a24058f9STej Parkash .rd_shdw_req_q_out = qla4xxx_rd_shdw_req_q_out, 5675a24058f9STej Parkash .rd_shdw_rsp_q_in = qla4xxx_rd_shdw_rsp_q_in, 56766e7b4292SVikas Chaudhary .get_sys_info = qla4_8xxx_get_sys_info, 56776e7b4292SVikas Chaudhary .rd_reg_direct = qla4_83xx_rd_reg, 56786e7b4292SVikas Chaudhary .wr_reg_direct = qla4_83xx_wr_reg, 56796e7b4292SVikas Chaudhary .rd_reg_indirect = qla4_83xx_rd_reg_indirect, 56806e7b4292SVikas Chaudhary .wr_reg_indirect = qla4_83xx_wr_reg_indirect, 56816e7b4292SVikas Chaudhary .idc_lock = qla4_83xx_drv_lock, 56826e7b4292SVikas Chaudhary .idc_unlock = qla4_83xx_drv_unlock, 56836e7b4292SVikas Chaudhary .rom_lock_recovery = qla4_83xx_rom_lock_recovery, 56846e7b4292SVikas Chaudhary .queue_mailbox_command = qla4_83xx_queue_mbox_cmd, 56856e7b4292SVikas Chaudhary .process_mailbox_interrupt = qla4_83xx_process_mbox_intr, 5686f4f5df23SVikas Chaudhary }; 5687f4f5df23SVikas Chaudhary 5688f4f5df23SVikas Chaudhary uint16_t qla4xxx_rd_shdw_req_q_out(struct scsi_qla_host *ha) 5689f4f5df23SVikas Chaudhary { 5690f4f5df23SVikas Chaudhary return (uint16_t)le32_to_cpu(ha->shadow_regs->req_q_out); 5691f4f5df23SVikas Chaudhary } 5692f4f5df23SVikas Chaudhary 5693f8086f4fSVikas Chaudhary uint16_t qla4_82xx_rd_shdw_req_q_out(struct scsi_qla_host *ha) 5694f4f5df23SVikas Chaudhary { 56957664a1fdSVikas Chaudhary return (uint16_t)le32_to_cpu(readl(&ha->qla4_82xx_reg->req_q_out)); 5696f4f5df23SVikas Chaudhary } 5697f4f5df23SVikas Chaudhary 5698f4f5df23SVikas Chaudhary uint16_t qla4xxx_rd_shdw_rsp_q_in(struct scsi_qla_host *ha) 5699f4f5df23SVikas Chaudhary { 5700f4f5df23SVikas Chaudhary return (uint16_t)le32_to_cpu(ha->shadow_regs->rsp_q_in); 5701f4f5df23SVikas Chaudhary } 5702f4f5df23SVikas Chaudhary 5703f8086f4fSVikas Chaudhary uint16_t qla4_82xx_rd_shdw_rsp_q_in(struct scsi_qla_host *ha) 5704f4f5df23SVikas Chaudhary { 57057664a1fdSVikas Chaudhary return (uint16_t)le32_to_cpu(readl(&ha->qla4_82xx_reg->rsp_q_in)); 5706f4f5df23SVikas Chaudhary } 5707f4f5df23SVikas Chaudhary 57082a991c21SManish Rangankar static ssize_t qla4xxx_show_boot_eth_info(void *data, int type, char *buf) 57092a991c21SManish Rangankar { 57102a991c21SManish Rangankar struct scsi_qla_host *ha = data; 57112a991c21SManish Rangankar char *str = buf; 57122a991c21SManish Rangankar int rc; 57132a991c21SManish Rangankar 57142a991c21SManish Rangankar switch (type) { 57152a991c21SManish Rangankar case ISCSI_BOOT_ETH_FLAGS: 57162a991c21SManish Rangankar rc = sprintf(str, "%d\n", SYSFS_FLAG_FW_SEL_BOOT); 57172a991c21SManish Rangankar break; 57182a991c21SManish Rangankar case ISCSI_BOOT_ETH_INDEX: 57192a991c21SManish Rangankar rc = sprintf(str, "0\n"); 57202a991c21SManish Rangankar break; 57212a991c21SManish Rangankar case ISCSI_BOOT_ETH_MAC: 57222a991c21SManish Rangankar rc = sysfs_format_mac(str, ha->my_mac, 57232a991c21SManish Rangankar MAC_ADDR_LEN); 57242a991c21SManish Rangankar break; 57252a991c21SManish Rangankar default: 57262a991c21SManish Rangankar rc = -ENOSYS; 57272a991c21SManish Rangankar break; 57282a991c21SManish Rangankar } 57292a991c21SManish Rangankar return rc; 57302a991c21SManish Rangankar } 57312a991c21SManish Rangankar 5732587a1f16SAl Viro static umode_t qla4xxx_eth_get_attr_visibility(void *data, int type) 57332a991c21SManish Rangankar { 57342a991c21SManish Rangankar int rc; 57352a991c21SManish Rangankar 57362a991c21SManish Rangankar switch (type) { 57372a991c21SManish Rangankar case ISCSI_BOOT_ETH_FLAGS: 57382a991c21SManish Rangankar case ISCSI_BOOT_ETH_MAC: 57392a991c21SManish Rangankar case ISCSI_BOOT_ETH_INDEX: 57402a991c21SManish Rangankar rc = S_IRUGO; 57412a991c21SManish Rangankar break; 57422a991c21SManish Rangankar default: 57432a991c21SManish Rangankar rc = 0; 57442a991c21SManish Rangankar break; 57452a991c21SManish Rangankar } 57462a991c21SManish Rangankar return rc; 57472a991c21SManish Rangankar } 57482a991c21SManish Rangankar 57492a991c21SManish Rangankar static ssize_t qla4xxx_show_boot_ini_info(void *data, int type, char *buf) 57502a991c21SManish Rangankar { 57512a991c21SManish Rangankar struct scsi_qla_host *ha = data; 57522a991c21SManish Rangankar char *str = buf; 57532a991c21SManish Rangankar int rc; 57542a991c21SManish Rangankar 57552a991c21SManish Rangankar switch (type) { 57562a991c21SManish Rangankar case ISCSI_BOOT_INI_INITIATOR_NAME: 57572a991c21SManish Rangankar rc = sprintf(str, "%s\n", ha->name_string); 57582a991c21SManish Rangankar break; 57592a991c21SManish Rangankar default: 57602a991c21SManish Rangankar rc = -ENOSYS; 57612a991c21SManish Rangankar break; 57622a991c21SManish Rangankar } 57632a991c21SManish Rangankar return rc; 57642a991c21SManish Rangankar } 57652a991c21SManish Rangankar 5766587a1f16SAl Viro static umode_t qla4xxx_ini_get_attr_visibility(void *data, int type) 57672a991c21SManish Rangankar { 57682a991c21SManish Rangankar int rc; 57692a991c21SManish Rangankar 57702a991c21SManish Rangankar switch (type) { 57712a991c21SManish Rangankar case ISCSI_BOOT_INI_INITIATOR_NAME: 57722a991c21SManish Rangankar rc = S_IRUGO; 57732a991c21SManish Rangankar break; 57742a991c21SManish Rangankar default: 57752a991c21SManish Rangankar rc = 0; 57762a991c21SManish Rangankar break; 57772a991c21SManish Rangankar } 57782a991c21SManish Rangankar return rc; 57792a991c21SManish Rangankar } 57802a991c21SManish Rangankar 57812a991c21SManish Rangankar static ssize_t 57822a991c21SManish Rangankar qla4xxx_show_boot_tgt_info(struct ql4_boot_session_info *boot_sess, int type, 57832a991c21SManish Rangankar char *buf) 57842a991c21SManish Rangankar { 57852a991c21SManish Rangankar struct ql4_conn_info *boot_conn = &boot_sess->conn_list[0]; 57862a991c21SManish Rangankar char *str = buf; 57872a991c21SManish Rangankar int rc; 57882a991c21SManish Rangankar 57892a991c21SManish Rangankar switch (type) { 57902a991c21SManish Rangankar case ISCSI_BOOT_TGT_NAME: 57912a991c21SManish Rangankar rc = sprintf(buf, "%s\n", (char *)&boot_sess->target_name); 57922a991c21SManish Rangankar break; 57932a991c21SManish Rangankar case ISCSI_BOOT_TGT_IP_ADDR: 57942a991c21SManish Rangankar if (boot_sess->conn_list[0].dest_ipaddr.ip_type == 0x1) 57952a991c21SManish Rangankar rc = sprintf(buf, "%pI4\n", 57962a991c21SManish Rangankar &boot_conn->dest_ipaddr.ip_address); 57972a991c21SManish Rangankar else 57982a991c21SManish Rangankar rc = sprintf(str, "%pI6\n", 57992a991c21SManish Rangankar &boot_conn->dest_ipaddr.ip_address); 58002a991c21SManish Rangankar break; 58012a991c21SManish Rangankar case ISCSI_BOOT_TGT_PORT: 58022a991c21SManish Rangankar rc = sprintf(str, "%d\n", boot_conn->dest_port); 58032a991c21SManish Rangankar break; 58042a991c21SManish Rangankar case ISCSI_BOOT_TGT_CHAP_NAME: 58052a991c21SManish Rangankar rc = sprintf(str, "%.*s\n", 58062a991c21SManish Rangankar boot_conn->chap.target_chap_name_length, 58072a991c21SManish Rangankar (char *)&boot_conn->chap.target_chap_name); 58082a991c21SManish Rangankar break; 58092a991c21SManish Rangankar case ISCSI_BOOT_TGT_CHAP_SECRET: 58102a991c21SManish Rangankar rc = sprintf(str, "%.*s\n", 58112a991c21SManish Rangankar boot_conn->chap.target_secret_length, 58122a991c21SManish Rangankar (char *)&boot_conn->chap.target_secret); 58132a991c21SManish Rangankar break; 58142a991c21SManish Rangankar case ISCSI_BOOT_TGT_REV_CHAP_NAME: 58152a991c21SManish Rangankar rc = sprintf(str, "%.*s\n", 58162a991c21SManish Rangankar boot_conn->chap.intr_chap_name_length, 58172a991c21SManish Rangankar (char *)&boot_conn->chap.intr_chap_name); 58182a991c21SManish Rangankar break; 58192a991c21SManish Rangankar case ISCSI_BOOT_TGT_REV_CHAP_SECRET: 58202a991c21SManish Rangankar rc = sprintf(str, "%.*s\n", 58212a991c21SManish Rangankar boot_conn->chap.intr_secret_length, 58222a991c21SManish Rangankar (char *)&boot_conn->chap.intr_secret); 58232a991c21SManish Rangankar break; 58242a991c21SManish Rangankar case ISCSI_BOOT_TGT_FLAGS: 58252a991c21SManish Rangankar rc = sprintf(str, "%d\n", SYSFS_FLAG_FW_SEL_BOOT); 58262a991c21SManish Rangankar break; 58272a991c21SManish Rangankar case ISCSI_BOOT_TGT_NIC_ASSOC: 58282a991c21SManish Rangankar rc = sprintf(str, "0\n"); 58292a991c21SManish Rangankar break; 58302a991c21SManish Rangankar default: 58312a991c21SManish Rangankar rc = -ENOSYS; 58322a991c21SManish Rangankar break; 58332a991c21SManish Rangankar } 58342a991c21SManish Rangankar return rc; 58352a991c21SManish Rangankar } 58362a991c21SManish Rangankar 58372a991c21SManish Rangankar static ssize_t qla4xxx_show_boot_tgt_pri_info(void *data, int type, char *buf) 58382a991c21SManish Rangankar { 58392a991c21SManish Rangankar struct scsi_qla_host *ha = data; 58402a991c21SManish Rangankar struct ql4_boot_session_info *boot_sess = &(ha->boot_tgt.boot_pri_sess); 58412a991c21SManish Rangankar 58422a991c21SManish Rangankar return qla4xxx_show_boot_tgt_info(boot_sess, type, buf); 58432a991c21SManish Rangankar } 58442a991c21SManish Rangankar 58452a991c21SManish Rangankar static ssize_t qla4xxx_show_boot_tgt_sec_info(void *data, int type, char *buf) 58462a991c21SManish Rangankar { 58472a991c21SManish Rangankar struct scsi_qla_host *ha = data; 58482a991c21SManish Rangankar struct ql4_boot_session_info *boot_sess = &(ha->boot_tgt.boot_sec_sess); 58492a991c21SManish Rangankar 58502a991c21SManish Rangankar return qla4xxx_show_boot_tgt_info(boot_sess, type, buf); 58512a991c21SManish Rangankar } 58522a991c21SManish Rangankar 5853587a1f16SAl Viro static umode_t qla4xxx_tgt_get_attr_visibility(void *data, int type) 58542a991c21SManish Rangankar { 58552a991c21SManish Rangankar int rc; 58562a991c21SManish Rangankar 58572a991c21SManish Rangankar switch (type) { 58582a991c21SManish Rangankar case ISCSI_BOOT_TGT_NAME: 58592a991c21SManish Rangankar case ISCSI_BOOT_TGT_IP_ADDR: 58602a991c21SManish Rangankar case ISCSI_BOOT_TGT_PORT: 58612a991c21SManish Rangankar case ISCSI_BOOT_TGT_CHAP_NAME: 58622a991c21SManish Rangankar case ISCSI_BOOT_TGT_CHAP_SECRET: 58632a991c21SManish Rangankar case ISCSI_BOOT_TGT_REV_CHAP_NAME: 58642a991c21SManish Rangankar case ISCSI_BOOT_TGT_REV_CHAP_SECRET: 58652a991c21SManish Rangankar case ISCSI_BOOT_TGT_NIC_ASSOC: 58662a991c21SManish Rangankar case ISCSI_BOOT_TGT_FLAGS: 58672a991c21SManish Rangankar rc = S_IRUGO; 58682a991c21SManish Rangankar break; 58692a991c21SManish Rangankar default: 58702a991c21SManish Rangankar rc = 0; 58712a991c21SManish Rangankar break; 58722a991c21SManish Rangankar } 58732a991c21SManish Rangankar return rc; 58742a991c21SManish Rangankar } 58752a991c21SManish Rangankar 58762a991c21SManish Rangankar static void qla4xxx_boot_release(void *data) 58772a991c21SManish Rangankar { 58782a991c21SManish Rangankar struct scsi_qla_host *ha = data; 58792a991c21SManish Rangankar 58802a991c21SManish Rangankar scsi_host_put(ha->host); 58812a991c21SManish Rangankar } 58822a991c21SManish Rangankar 58832a991c21SManish Rangankar static int get_fw_boot_info(struct scsi_qla_host *ha, uint16_t ddb_index[]) 58842a991c21SManish Rangankar { 58852a991c21SManish Rangankar dma_addr_t buf_dma; 58862a991c21SManish Rangankar uint32_t addr, pri_addr, sec_addr; 58872a991c21SManish Rangankar uint32_t offset; 58882a991c21SManish Rangankar uint16_t func_num; 58892a991c21SManish Rangankar uint8_t val; 58902a991c21SManish Rangankar uint8_t *buf = NULL; 58912a991c21SManish Rangankar size_t size = 13 * sizeof(uint8_t); 58922a991c21SManish Rangankar int ret = QLA_SUCCESS; 58932a991c21SManish Rangankar 58942a991c21SManish Rangankar func_num = PCI_FUNC(ha->pdev->devfn); 58952a991c21SManish Rangankar 58960d5b36b8SManish Rangankar ql4_printk(KERN_INFO, ha, "%s: Get FW boot info for 0x%x func %d\n", 58970d5b36b8SManish Rangankar __func__, ha->pdev->device, func_num); 58982a991c21SManish Rangankar 58990d5b36b8SManish Rangankar if (is_qla40XX(ha)) { 59002a991c21SManish Rangankar if (func_num == 1) { 59012a991c21SManish Rangankar addr = NVRAM_PORT0_BOOT_MODE; 59022a991c21SManish Rangankar pri_addr = NVRAM_PORT0_BOOT_PRI_TGT; 59032a991c21SManish Rangankar sec_addr = NVRAM_PORT0_BOOT_SEC_TGT; 59042a991c21SManish Rangankar } else if (func_num == 3) { 59052a991c21SManish Rangankar addr = NVRAM_PORT1_BOOT_MODE; 59062a991c21SManish Rangankar pri_addr = NVRAM_PORT1_BOOT_PRI_TGT; 59072a991c21SManish Rangankar sec_addr = NVRAM_PORT1_BOOT_SEC_TGT; 59082a991c21SManish Rangankar } else { 59092a991c21SManish Rangankar ret = QLA_ERROR; 59102a991c21SManish Rangankar goto exit_boot_info; 59112a991c21SManish Rangankar } 59122a991c21SManish Rangankar 59132a991c21SManish Rangankar /* Check Boot Mode */ 59142a991c21SManish Rangankar val = rd_nvram_byte(ha, addr); 59152a991c21SManish Rangankar if (!(val & 0x07)) { 5916e8fb00e0SManish Rangankar DEBUG2(ql4_printk(KERN_INFO, ha, "%s: Adapter boot " 5917e8fb00e0SManish Rangankar "options : 0x%x\n", __func__, val)); 59182a991c21SManish Rangankar ret = QLA_ERROR; 59192a991c21SManish Rangankar goto exit_boot_info; 59202a991c21SManish Rangankar } 59212a991c21SManish Rangankar 59222a991c21SManish Rangankar /* get primary valid target index */ 59232a991c21SManish Rangankar val = rd_nvram_byte(ha, pri_addr); 59242a991c21SManish Rangankar if (val & BIT_7) 59252a991c21SManish Rangankar ddb_index[0] = (val & 0x7f); 59262a991c21SManish Rangankar 59272a991c21SManish Rangankar /* get secondary valid target index */ 59282a991c21SManish Rangankar val = rd_nvram_byte(ha, sec_addr); 59292a991c21SManish Rangankar if (val & BIT_7) 59302a991c21SManish Rangankar ddb_index[1] = (val & 0x7f); 5931608f729cSArnd Bergmann goto exit_boot_info; 59323e788fb1SVikas Chaudhary } else if (is_qla80XX(ha)) { 59332a991c21SManish Rangankar buf = dma_alloc_coherent(&ha->pdev->dev, size, 59342a991c21SManish Rangankar &buf_dma, GFP_KERNEL); 59352a991c21SManish Rangankar if (!buf) { 59362a991c21SManish Rangankar DEBUG2(ql4_printk(KERN_ERR, ha, 59372a991c21SManish Rangankar "%s: Unable to allocate dma buffer\n", 59382a991c21SManish Rangankar __func__)); 59392a991c21SManish Rangankar ret = QLA_ERROR; 59402a991c21SManish Rangankar goto exit_boot_info; 59412a991c21SManish Rangankar } 59422a991c21SManish Rangankar 59432a991c21SManish Rangankar if (ha->port_num == 0) 59442a991c21SManish Rangankar offset = BOOT_PARAM_OFFSET_PORT0; 59452a991c21SManish Rangankar else if (ha->port_num == 1) 59462a991c21SManish Rangankar offset = BOOT_PARAM_OFFSET_PORT1; 59472a991c21SManish Rangankar else { 59482a991c21SManish Rangankar ret = QLA_ERROR; 59492a991c21SManish Rangankar goto exit_boot_info_free; 59502a991c21SManish Rangankar } 59512a991c21SManish Rangankar addr = FLASH_RAW_ACCESS_ADDR + (ha->hw.flt_iscsi_param * 4) + 59522a991c21SManish Rangankar offset; 59532a991c21SManish Rangankar if (qla4xxx_get_flash(ha, buf_dma, addr, 59542a991c21SManish Rangankar 13 * sizeof(uint8_t)) != QLA_SUCCESS) { 59552a991c21SManish Rangankar DEBUG2(ql4_printk(KERN_ERR, ha, "scsi%ld: %s: Get Flash" 59562a991c21SManish Rangankar " failed\n", ha->host_no, __func__)); 59572a991c21SManish Rangankar ret = QLA_ERROR; 59582a991c21SManish Rangankar goto exit_boot_info_free; 59592a991c21SManish Rangankar } 59602a991c21SManish Rangankar /* Check Boot Mode */ 59612a991c21SManish Rangankar if (!(buf[1] & 0x07)) { 5962e8fb00e0SManish Rangankar DEBUG2(ql4_printk(KERN_INFO, ha, "Firmware boot options" 5963e8fb00e0SManish Rangankar " : 0x%x\n", buf[1])); 59642a991c21SManish Rangankar ret = QLA_ERROR; 59652a991c21SManish Rangankar goto exit_boot_info_free; 59662a991c21SManish Rangankar } 59672a991c21SManish Rangankar 59682a991c21SManish Rangankar /* get primary valid target index */ 59692a991c21SManish Rangankar if (buf[2] & BIT_7) 59702a991c21SManish Rangankar ddb_index[0] = buf[2] & 0x7f; 59712a991c21SManish Rangankar 59722a991c21SManish Rangankar /* get secondary valid target index */ 59732a991c21SManish Rangankar if (buf[11] & BIT_7) 59742a991c21SManish Rangankar ddb_index[1] = buf[11] & 0x7f; 59752a991c21SManish Rangankar } else { 59762a991c21SManish Rangankar ret = QLA_ERROR; 59772a991c21SManish Rangankar goto exit_boot_info; 59782a991c21SManish Rangankar } 59792a991c21SManish Rangankar 59802a991c21SManish Rangankar DEBUG2(ql4_printk(KERN_INFO, ha, "%s: Primary target ID %d, Secondary" 59812a991c21SManish Rangankar " target ID %d\n", __func__, ddb_index[0], 59822a991c21SManish Rangankar ddb_index[1])); 59832a991c21SManish Rangankar 59842a991c21SManish Rangankar exit_boot_info_free: 59852a991c21SManish Rangankar dma_free_coherent(&ha->pdev->dev, size, buf, buf_dma); 59862a991c21SManish Rangankar exit_boot_info: 598720e835b4SLalit Chandivade ha->pri_ddb_idx = ddb_index[0]; 598820e835b4SLalit Chandivade ha->sec_ddb_idx = ddb_index[1]; 59892a991c21SManish Rangankar return ret; 59902a991c21SManish Rangankar } 59912a991c21SManish Rangankar 599228deb45cSLalit Chandivade /** 599328deb45cSLalit Chandivade * qla4xxx_get_bidi_chap - Get a BIDI CHAP user and password 599428deb45cSLalit Chandivade * @ha: pointer to adapter structure 599528deb45cSLalit Chandivade * @username: CHAP username to be returned 599628deb45cSLalit Chandivade * @password: CHAP password to be returned 599728deb45cSLalit Chandivade * 599828deb45cSLalit Chandivade * If a boot entry has BIDI CHAP enabled then we need to set the BIDI CHAP 599928deb45cSLalit Chandivade * user and password in the sysfs entry in /sys/firmware/iscsi_boot#/. 600028deb45cSLalit Chandivade * So from the CHAP cache find the first BIDI CHAP entry and set it 600128deb45cSLalit Chandivade * to the boot record in sysfs. 600228deb45cSLalit Chandivade **/ 600328deb45cSLalit Chandivade static int qla4xxx_get_bidi_chap(struct scsi_qla_host *ha, char *username, 600428deb45cSLalit Chandivade char *password) 600528deb45cSLalit Chandivade { 600628deb45cSLalit Chandivade int i, ret = -EINVAL; 600728deb45cSLalit Chandivade int max_chap_entries = 0; 600828deb45cSLalit Chandivade struct ql4_chap_table *chap_table; 600928deb45cSLalit Chandivade 6010d11b0ca3SVikas Chaudhary if (is_qla80XX(ha)) 601128deb45cSLalit Chandivade max_chap_entries = (ha->hw.flt_chap_size / 2) / 601228deb45cSLalit Chandivade sizeof(struct ql4_chap_table); 601328deb45cSLalit Chandivade else 601428deb45cSLalit Chandivade max_chap_entries = MAX_CHAP_ENTRIES_40XX; 601528deb45cSLalit Chandivade 601628deb45cSLalit Chandivade if (!ha->chap_list) { 601728deb45cSLalit Chandivade ql4_printk(KERN_ERR, ha, "Do not have CHAP table cache\n"); 601828deb45cSLalit Chandivade return ret; 601928deb45cSLalit Chandivade } 602028deb45cSLalit Chandivade 602128deb45cSLalit Chandivade mutex_lock(&ha->chap_sem); 602228deb45cSLalit Chandivade for (i = 0; i < max_chap_entries; i++) { 602328deb45cSLalit Chandivade chap_table = (struct ql4_chap_table *)ha->chap_list + i; 602428deb45cSLalit Chandivade if (chap_table->cookie != 602528deb45cSLalit Chandivade __constant_cpu_to_le16(CHAP_VALID_COOKIE)) { 602628deb45cSLalit Chandivade continue; 602728deb45cSLalit Chandivade } 602828deb45cSLalit Chandivade 602928deb45cSLalit Chandivade if (chap_table->flags & BIT_7) /* local */ 603028deb45cSLalit Chandivade continue; 603128deb45cSLalit Chandivade 603228deb45cSLalit Chandivade if (!(chap_table->flags & BIT_6)) /* Not BIDI */ 603328deb45cSLalit Chandivade continue; 603428deb45cSLalit Chandivade 6035bdbb9662SRickard Strandqvist strlcpy(password, chap_table->secret, QL4_CHAP_MAX_SECRET_LEN); 6036bdbb9662SRickard Strandqvist strlcpy(username, chap_table->name, QL4_CHAP_MAX_NAME_LEN); 603728deb45cSLalit Chandivade ret = 0; 603828deb45cSLalit Chandivade break; 603928deb45cSLalit Chandivade } 604028deb45cSLalit Chandivade mutex_unlock(&ha->chap_sem); 604128deb45cSLalit Chandivade 604228deb45cSLalit Chandivade return ret; 604328deb45cSLalit Chandivade } 604428deb45cSLalit Chandivade 604528deb45cSLalit Chandivade 60462a991c21SManish Rangankar static int qla4xxx_get_boot_target(struct scsi_qla_host *ha, 60472a991c21SManish Rangankar struct ql4_boot_session_info *boot_sess, 60482a991c21SManish Rangankar uint16_t ddb_index) 60492a991c21SManish Rangankar { 60502a991c21SManish Rangankar struct ql4_conn_info *boot_conn = &boot_sess->conn_list[0]; 60512a991c21SManish Rangankar struct dev_db_entry *fw_ddb_entry; 60522a991c21SManish Rangankar dma_addr_t fw_ddb_entry_dma; 60532a991c21SManish Rangankar uint16_t idx; 60542a991c21SManish Rangankar uint16_t options; 60552a991c21SManish Rangankar int ret = QLA_SUCCESS; 60562a991c21SManish Rangankar 60572a991c21SManish Rangankar fw_ddb_entry = dma_alloc_coherent(&ha->pdev->dev, sizeof(*fw_ddb_entry), 60582a991c21SManish Rangankar &fw_ddb_entry_dma, GFP_KERNEL); 60592a991c21SManish Rangankar if (!fw_ddb_entry) { 60602a991c21SManish Rangankar DEBUG2(ql4_printk(KERN_ERR, ha, 60612a991c21SManish Rangankar "%s: Unable to allocate dma buffer.\n", 60622a991c21SManish Rangankar __func__)); 60632a991c21SManish Rangankar ret = QLA_ERROR; 60642a991c21SManish Rangankar return ret; 60652a991c21SManish Rangankar } 60662a991c21SManish Rangankar 60672a991c21SManish Rangankar if (qla4xxx_bootdb_by_index(ha, fw_ddb_entry, 60682a991c21SManish Rangankar fw_ddb_entry_dma, ddb_index)) { 6069e8fb00e0SManish Rangankar DEBUG2(ql4_printk(KERN_INFO, ha, "%s: No Flash DDB found at " 6070e8fb00e0SManish Rangankar "index [%d]\n", __func__, ddb_index)); 60712a991c21SManish Rangankar ret = QLA_ERROR; 60722a991c21SManish Rangankar goto exit_boot_target; 60732a991c21SManish Rangankar } 60742a991c21SManish Rangankar 60752a991c21SManish Rangankar /* Update target name and IP from DDB */ 60762a991c21SManish Rangankar memcpy(boot_sess->target_name, fw_ddb_entry->iscsi_name, 60772a991c21SManish Rangankar min(sizeof(boot_sess->target_name), 60782a991c21SManish Rangankar sizeof(fw_ddb_entry->iscsi_name))); 60792a991c21SManish Rangankar 60802a991c21SManish Rangankar options = le16_to_cpu(fw_ddb_entry->options); 60812a991c21SManish Rangankar if (options & DDB_OPT_IPV6_DEVICE) { 60822a991c21SManish Rangankar memcpy(&boot_conn->dest_ipaddr.ip_address, 60832a991c21SManish Rangankar &fw_ddb_entry->ip_addr[0], IPv6_ADDR_LEN); 60842a991c21SManish Rangankar } else { 60852a991c21SManish Rangankar boot_conn->dest_ipaddr.ip_type = 0x1; 60862a991c21SManish Rangankar memcpy(&boot_conn->dest_ipaddr.ip_address, 60872a991c21SManish Rangankar &fw_ddb_entry->ip_addr[0], IP_ADDR_LEN); 60882a991c21SManish Rangankar } 60892a991c21SManish Rangankar 60902a991c21SManish Rangankar boot_conn->dest_port = le16_to_cpu(fw_ddb_entry->port); 60912a991c21SManish Rangankar 60922a991c21SManish Rangankar /* update chap information */ 60932a991c21SManish Rangankar idx = __le16_to_cpu(fw_ddb_entry->chap_tbl_idx); 60942a991c21SManish Rangankar 60952a991c21SManish Rangankar if (BIT_7 & le16_to_cpu(fw_ddb_entry->iscsi_options)) { 60962a991c21SManish Rangankar 60972a991c21SManish Rangankar DEBUG2(ql4_printk(KERN_INFO, ha, "Setting chap\n")); 60982a991c21SManish Rangankar 60992a991c21SManish Rangankar ret = qla4xxx_get_chap(ha, (char *)&boot_conn->chap. 61002a991c21SManish Rangankar target_chap_name, 61012a991c21SManish Rangankar (char *)&boot_conn->chap.target_secret, 61022a991c21SManish Rangankar idx); 61032a991c21SManish Rangankar if (ret) { 61042a991c21SManish Rangankar ql4_printk(KERN_ERR, ha, "Failed to set chap\n"); 61052a991c21SManish Rangankar ret = QLA_ERROR; 61062a991c21SManish Rangankar goto exit_boot_target; 61072a991c21SManish Rangankar } 61082a991c21SManish Rangankar 61092a991c21SManish Rangankar boot_conn->chap.target_chap_name_length = QL4_CHAP_MAX_NAME_LEN; 61102a991c21SManish Rangankar boot_conn->chap.target_secret_length = QL4_CHAP_MAX_SECRET_LEN; 61112a991c21SManish Rangankar } 61122a991c21SManish Rangankar 61132a991c21SManish Rangankar if (BIT_4 & le16_to_cpu(fw_ddb_entry->iscsi_options)) { 61142a991c21SManish Rangankar 61152a991c21SManish Rangankar DEBUG2(ql4_printk(KERN_INFO, ha, "Setting BIDI chap\n")); 61162a991c21SManish Rangankar 611728deb45cSLalit Chandivade ret = qla4xxx_get_bidi_chap(ha, 611828deb45cSLalit Chandivade (char *)&boot_conn->chap.intr_chap_name, 611928deb45cSLalit Chandivade (char *)&boot_conn->chap.intr_secret); 612028deb45cSLalit Chandivade 61212a991c21SManish Rangankar if (ret) { 61222a991c21SManish Rangankar ql4_printk(KERN_ERR, ha, "Failed to set BIDI chap\n"); 61232a991c21SManish Rangankar ret = QLA_ERROR; 61242a991c21SManish Rangankar goto exit_boot_target; 61252a991c21SManish Rangankar } 61262a991c21SManish Rangankar 61272a991c21SManish Rangankar boot_conn->chap.intr_chap_name_length = QL4_CHAP_MAX_NAME_LEN; 61282a991c21SManish Rangankar boot_conn->chap.intr_secret_length = QL4_CHAP_MAX_SECRET_LEN; 61292a991c21SManish Rangankar } 61302a991c21SManish Rangankar 61312a991c21SManish Rangankar exit_boot_target: 61322a991c21SManish Rangankar dma_free_coherent(&ha->pdev->dev, sizeof(*fw_ddb_entry), 61332a991c21SManish Rangankar fw_ddb_entry, fw_ddb_entry_dma); 61342a991c21SManish Rangankar return ret; 61352a991c21SManish Rangankar } 61362a991c21SManish Rangankar 61372a991c21SManish Rangankar static int qla4xxx_get_boot_info(struct scsi_qla_host *ha) 61382a991c21SManish Rangankar { 61392a991c21SManish Rangankar uint16_t ddb_index[2]; 61408de5b958SLalit Chandivade int ret = QLA_ERROR; 61418de5b958SLalit Chandivade int rval; 61422a991c21SManish Rangankar 61432a991c21SManish Rangankar memset(ddb_index, 0, sizeof(ddb_index)); 61448de5b958SLalit Chandivade ddb_index[0] = 0xffff; 61458de5b958SLalit Chandivade ddb_index[1] = 0xffff; 61462a991c21SManish Rangankar ret = get_fw_boot_info(ha, ddb_index); 61472a991c21SManish Rangankar if (ret != QLA_SUCCESS) { 6148e8fb00e0SManish Rangankar DEBUG2(ql4_printk(KERN_INFO, ha, 6149e8fb00e0SManish Rangankar "%s: No boot target configured.\n", __func__)); 61502a991c21SManish Rangankar return ret; 61512a991c21SManish Rangankar } 61522a991c21SManish Rangankar 615313483730SMike Christie if (ql4xdisablesysfsboot) 615413483730SMike Christie return QLA_SUCCESS; 615513483730SMike Christie 61568de5b958SLalit Chandivade if (ddb_index[0] == 0xffff) 61578de5b958SLalit Chandivade goto sec_target; 61588de5b958SLalit Chandivade 61598de5b958SLalit Chandivade rval = qla4xxx_get_boot_target(ha, &(ha->boot_tgt.boot_pri_sess), 61602a991c21SManish Rangankar ddb_index[0]); 61618de5b958SLalit Chandivade if (rval != QLA_SUCCESS) { 6162e8fb00e0SManish Rangankar DEBUG2(ql4_printk(KERN_INFO, ha, "%s: Primary boot target not " 6163e8fb00e0SManish Rangankar "configured\n", __func__)); 61648de5b958SLalit Chandivade } else 61658de5b958SLalit Chandivade ret = QLA_SUCCESS; 61662a991c21SManish Rangankar 61678de5b958SLalit Chandivade sec_target: 61688de5b958SLalit Chandivade if (ddb_index[1] == 0xffff) 61698de5b958SLalit Chandivade goto exit_get_boot_info; 61708de5b958SLalit Chandivade 61718de5b958SLalit Chandivade rval = qla4xxx_get_boot_target(ha, &(ha->boot_tgt.boot_sec_sess), 61722a991c21SManish Rangankar ddb_index[1]); 61738de5b958SLalit Chandivade if (rval != QLA_SUCCESS) { 6174e8fb00e0SManish Rangankar DEBUG2(ql4_printk(KERN_INFO, ha, "%s: Secondary boot target not" 6175e8fb00e0SManish Rangankar " configured\n", __func__)); 61768de5b958SLalit Chandivade } else 61778de5b958SLalit Chandivade ret = QLA_SUCCESS; 61788de5b958SLalit Chandivade 61798de5b958SLalit Chandivade exit_get_boot_info: 61802a991c21SManish Rangankar return ret; 61812a991c21SManish Rangankar } 61822a991c21SManish Rangankar 61832a991c21SManish Rangankar static int qla4xxx_setup_boot_info(struct scsi_qla_host *ha) 61842a991c21SManish Rangankar { 61852a991c21SManish Rangankar struct iscsi_boot_kobj *boot_kobj; 61862a991c21SManish Rangankar 61872a991c21SManish Rangankar if (qla4xxx_get_boot_info(ha) != QLA_SUCCESS) 618813483730SMike Christie return QLA_ERROR; 618913483730SMike Christie 619013483730SMike Christie if (ql4xdisablesysfsboot) { 619113483730SMike Christie ql4_printk(KERN_INFO, ha, 619213483730SMike Christie "%s: syfsboot disabled - driver will trigger login " 619313483730SMike Christie "and publish session for discovery .\n", __func__); 619413483730SMike Christie return QLA_SUCCESS; 619513483730SMike Christie } 619613483730SMike Christie 61972a991c21SManish Rangankar 61982a991c21SManish Rangankar ha->boot_kset = iscsi_boot_create_host_kset(ha->host->host_no); 61992a991c21SManish Rangankar if (!ha->boot_kset) 62002a991c21SManish Rangankar goto kset_free; 62012a991c21SManish Rangankar 62022a991c21SManish Rangankar if (!scsi_host_get(ha->host)) 62032a991c21SManish Rangankar goto kset_free; 62042a991c21SManish Rangankar boot_kobj = iscsi_boot_create_target(ha->boot_kset, 0, ha, 62052a991c21SManish Rangankar qla4xxx_show_boot_tgt_pri_info, 62062a991c21SManish Rangankar qla4xxx_tgt_get_attr_visibility, 62072a991c21SManish Rangankar qla4xxx_boot_release); 62082a991c21SManish Rangankar if (!boot_kobj) 62092a991c21SManish Rangankar goto put_host; 62102a991c21SManish Rangankar 62112a991c21SManish Rangankar if (!scsi_host_get(ha->host)) 62122a991c21SManish Rangankar goto kset_free; 62132a991c21SManish Rangankar boot_kobj = iscsi_boot_create_target(ha->boot_kset, 1, ha, 62142a991c21SManish Rangankar qla4xxx_show_boot_tgt_sec_info, 62152a991c21SManish Rangankar qla4xxx_tgt_get_attr_visibility, 62162a991c21SManish Rangankar qla4xxx_boot_release); 62172a991c21SManish Rangankar if (!boot_kobj) 62182a991c21SManish Rangankar goto put_host; 62192a991c21SManish Rangankar 62202a991c21SManish Rangankar if (!scsi_host_get(ha->host)) 62212a991c21SManish Rangankar goto kset_free; 62222a991c21SManish Rangankar boot_kobj = iscsi_boot_create_initiator(ha->boot_kset, 0, ha, 62232a991c21SManish Rangankar qla4xxx_show_boot_ini_info, 62242a991c21SManish Rangankar qla4xxx_ini_get_attr_visibility, 62252a991c21SManish Rangankar qla4xxx_boot_release); 62262a991c21SManish Rangankar if (!boot_kobj) 62272a991c21SManish Rangankar goto put_host; 62282a991c21SManish Rangankar 62292a991c21SManish Rangankar if (!scsi_host_get(ha->host)) 62302a991c21SManish Rangankar goto kset_free; 62312a991c21SManish Rangankar boot_kobj = iscsi_boot_create_ethernet(ha->boot_kset, 0, ha, 62322a991c21SManish Rangankar qla4xxx_show_boot_eth_info, 62332a991c21SManish Rangankar qla4xxx_eth_get_attr_visibility, 62342a991c21SManish Rangankar qla4xxx_boot_release); 62352a991c21SManish Rangankar if (!boot_kobj) 62362a991c21SManish Rangankar goto put_host; 62372a991c21SManish Rangankar 623813483730SMike Christie return QLA_SUCCESS; 62392a991c21SManish Rangankar 62402a991c21SManish Rangankar put_host: 62412a991c21SManish Rangankar scsi_host_put(ha->host); 62422a991c21SManish Rangankar kset_free: 62432a991c21SManish Rangankar iscsi_boot_destroy_kset(ha->boot_kset); 62442a991c21SManish Rangankar return -ENOMEM; 62452a991c21SManish Rangankar } 62462a991c21SManish Rangankar 62474549415aSLalit Chandivade 624813483730SMike Christie static void qla4xxx_get_param_ddb(struct ddb_entry *ddb_entry, 624913483730SMike Christie struct ql4_tuple_ddb *tddb) 625013483730SMike Christie { 625113483730SMike Christie struct scsi_qla_host *ha; 625213483730SMike Christie struct iscsi_cls_session *cls_sess; 625313483730SMike Christie struct iscsi_cls_conn *cls_conn; 625413483730SMike Christie struct iscsi_session *sess; 625513483730SMike Christie struct iscsi_conn *conn; 625613483730SMike Christie 625713483730SMike Christie DEBUG2(printk(KERN_INFO "Func: %s\n", __func__)); 625813483730SMike Christie ha = ddb_entry->ha; 625913483730SMike Christie cls_sess = ddb_entry->sess; 626013483730SMike Christie sess = cls_sess->dd_data; 626113483730SMike Christie cls_conn = ddb_entry->conn; 626213483730SMike Christie conn = cls_conn->dd_data; 626313483730SMike Christie 626413483730SMike Christie tddb->tpgt = sess->tpgt; 626513483730SMike Christie tddb->port = conn->persistent_port; 6266bdbb9662SRickard Strandqvist strlcpy(tddb->iscsi_name, sess->targetname, ISCSI_NAME_SIZE); 6267bdbb9662SRickard Strandqvist strlcpy(tddb->ip_addr, conn->persistent_address, DDB_IPADDR_LEN); 626813483730SMike Christie } 626913483730SMike Christie 627013483730SMike Christie static void qla4xxx_convert_param_ddb(struct dev_db_entry *fw_ddb_entry, 62711cb78d73SVikas Chaudhary struct ql4_tuple_ddb *tddb, 62721cb78d73SVikas Chaudhary uint8_t *flash_isid) 627313483730SMike Christie { 627413483730SMike Christie uint16_t options = 0; 627513483730SMike Christie 627613483730SMike Christie tddb->tpgt = le32_to_cpu(fw_ddb_entry->tgt_portal_grp); 627713483730SMike Christie memcpy(&tddb->iscsi_name[0], &fw_ddb_entry->iscsi_name[0], 627813483730SMike Christie min(sizeof(tddb->iscsi_name), sizeof(fw_ddb_entry->iscsi_name))); 627913483730SMike Christie 628013483730SMike Christie options = le16_to_cpu(fw_ddb_entry->options); 628113483730SMike Christie if (options & DDB_OPT_IPV6_DEVICE) 628213483730SMike Christie sprintf(tddb->ip_addr, "%pI6", fw_ddb_entry->ip_addr); 628313483730SMike Christie else 628413483730SMike Christie sprintf(tddb->ip_addr, "%pI4", fw_ddb_entry->ip_addr); 628513483730SMike Christie 628613483730SMike Christie tddb->port = le16_to_cpu(fw_ddb_entry->port); 62871cb78d73SVikas Chaudhary 62881cb78d73SVikas Chaudhary if (flash_isid == NULL) 62891cb78d73SVikas Chaudhary memcpy(&tddb->isid[0], &fw_ddb_entry->isid[0], 62901cb78d73SVikas Chaudhary sizeof(tddb->isid)); 62911cb78d73SVikas Chaudhary else 62921cb78d73SVikas Chaudhary memcpy(&tddb->isid[0], &flash_isid[0], sizeof(tddb->isid)); 629313483730SMike Christie } 629413483730SMike Christie 629513483730SMike Christie static int qla4xxx_compare_tuple_ddb(struct scsi_qla_host *ha, 629613483730SMike Christie struct ql4_tuple_ddb *old_tddb, 6297173269efSManish Rangankar struct ql4_tuple_ddb *new_tddb, 6298173269efSManish Rangankar uint8_t is_isid_compare) 629913483730SMike Christie { 630013483730SMike Christie if (strcmp(old_tddb->iscsi_name, new_tddb->iscsi_name)) 630113483730SMike Christie return QLA_ERROR; 630213483730SMike Christie 630313483730SMike Christie if (strcmp(old_tddb->ip_addr, new_tddb->ip_addr)) 630413483730SMike Christie return QLA_ERROR; 630513483730SMike Christie 630613483730SMike Christie if (old_tddb->port != new_tddb->port) 630713483730SMike Christie return QLA_ERROR; 630813483730SMike Christie 6309173269efSManish Rangankar /* For multi sessions, driver generates the ISID, so do not compare 631059e13d48SMasanari Iida * ISID in reset path since it would be a comparison between the 6311173269efSManish Rangankar * driver generated ISID and firmware generated ISID. This could 6312173269efSManish Rangankar * lead to adding duplicated DDBs in the list as driver generated 6313173269efSManish Rangankar * ISID would not match firmware generated ISID. 6314173269efSManish Rangankar */ 6315173269efSManish Rangankar if (is_isid_compare) { 6316d1d81bd0SOleksandr Khoshaba DEBUG2(ql4_printk(KERN_INFO, ha, 6317d1d81bd0SOleksandr Khoshaba "%s: old ISID [%pmR] New ISID [%pmR]\n", 6318d1d81bd0SOleksandr Khoshaba __func__, old_tddb->isid, new_tddb->isid)); 6319173269efSManish Rangankar 6320173269efSManish Rangankar if (memcmp(&old_tddb->isid[0], &new_tddb->isid[0], 6321173269efSManish Rangankar sizeof(old_tddb->isid))) 6322173269efSManish Rangankar return QLA_ERROR; 6323173269efSManish Rangankar } 6324173269efSManish Rangankar 632513483730SMike Christie DEBUG2(ql4_printk(KERN_INFO, ha, 632613483730SMike Christie "Match Found, fw[%d,%d,%s,%s], [%d,%d,%s,%s]", 632713483730SMike Christie old_tddb->port, old_tddb->tpgt, old_tddb->ip_addr, 632813483730SMike Christie old_tddb->iscsi_name, new_tddb->port, new_tddb->tpgt, 632913483730SMike Christie new_tddb->ip_addr, new_tddb->iscsi_name)); 633013483730SMike Christie 633113483730SMike Christie return QLA_SUCCESS; 633213483730SMike Christie } 633313483730SMike Christie 633413483730SMike Christie static int qla4xxx_is_session_exists(struct scsi_qla_host *ha, 6335ad8bd45eSManish Rangankar struct dev_db_entry *fw_ddb_entry, 6336ad8bd45eSManish Rangankar uint32_t *index) 633713483730SMike Christie { 633813483730SMike Christie struct ddb_entry *ddb_entry; 633913483730SMike Christie struct ql4_tuple_ddb *fw_tddb = NULL; 634013483730SMike Christie struct ql4_tuple_ddb *tmp_tddb = NULL; 634113483730SMike Christie int idx; 634213483730SMike Christie int ret = QLA_ERROR; 634313483730SMike Christie 634413483730SMike Christie fw_tddb = vzalloc(sizeof(*fw_tddb)); 634513483730SMike Christie if (!fw_tddb) { 634613483730SMike Christie DEBUG2(ql4_printk(KERN_WARNING, ha, 634713483730SMike Christie "Memory Allocation failed.\n")); 634813483730SMike Christie ret = QLA_SUCCESS; 634913483730SMike Christie goto exit_check; 635013483730SMike Christie } 635113483730SMike Christie 635213483730SMike Christie tmp_tddb = vzalloc(sizeof(*tmp_tddb)); 635313483730SMike Christie if (!tmp_tddb) { 635413483730SMike Christie DEBUG2(ql4_printk(KERN_WARNING, ha, 635513483730SMike Christie "Memory Allocation failed.\n")); 635613483730SMike Christie ret = QLA_SUCCESS; 635713483730SMike Christie goto exit_check; 635813483730SMike Christie } 635913483730SMike Christie 63601cb78d73SVikas Chaudhary qla4xxx_convert_param_ddb(fw_ddb_entry, fw_tddb, NULL); 636113483730SMike Christie 636213483730SMike Christie for (idx = 0; idx < MAX_DDB_ENTRIES; idx++) { 636313483730SMike Christie ddb_entry = qla4xxx_lookup_ddb_by_fw_index(ha, idx); 636413483730SMike Christie if (ddb_entry == NULL) 636513483730SMike Christie continue; 636613483730SMike Christie 636713483730SMike Christie qla4xxx_get_param_ddb(ddb_entry, tmp_tddb); 6368173269efSManish Rangankar if (!qla4xxx_compare_tuple_ddb(ha, fw_tddb, tmp_tddb, false)) { 636913483730SMike Christie ret = QLA_SUCCESS; /* found */ 6370ad8bd45eSManish Rangankar if (index != NULL) 6371ad8bd45eSManish Rangankar *index = idx; 637213483730SMike Christie goto exit_check; 637313483730SMike Christie } 637413483730SMike Christie } 637513483730SMike Christie 637613483730SMike Christie exit_check: 637713483730SMike Christie if (fw_tddb) 637813483730SMike Christie vfree(fw_tddb); 637913483730SMike Christie if (tmp_tddb) 638013483730SMike Christie vfree(tmp_tddb); 638113483730SMike Christie return ret; 638213483730SMike Christie } 638313483730SMike Christie 63841cb78d73SVikas Chaudhary /** 63851cb78d73SVikas Chaudhary * qla4xxx_check_existing_isid - check if target with same isid exist 63861cb78d73SVikas Chaudhary * in target list 63871cb78d73SVikas Chaudhary * @list_nt: list of target 63881cb78d73SVikas Chaudhary * @isid: isid to check 63891cb78d73SVikas Chaudhary * 63901cb78d73SVikas Chaudhary * This routine return QLA_SUCCESS if target with same isid exist 63911cb78d73SVikas Chaudhary **/ 63921cb78d73SVikas Chaudhary static int qla4xxx_check_existing_isid(struct list_head *list_nt, uint8_t *isid) 63931cb78d73SVikas Chaudhary { 63941cb78d73SVikas Chaudhary struct qla_ddb_index *nt_ddb_idx, *nt_ddb_idx_tmp; 63951cb78d73SVikas Chaudhary struct dev_db_entry *fw_ddb_entry; 63961cb78d73SVikas Chaudhary 63971cb78d73SVikas Chaudhary list_for_each_entry_safe(nt_ddb_idx, nt_ddb_idx_tmp, list_nt, list) { 63981cb78d73SVikas Chaudhary fw_ddb_entry = &nt_ddb_idx->fw_ddb; 63991cb78d73SVikas Chaudhary 64001cb78d73SVikas Chaudhary if (memcmp(&fw_ddb_entry->isid[0], &isid[0], 64011cb78d73SVikas Chaudhary sizeof(nt_ddb_idx->fw_ddb.isid)) == 0) { 64021cb78d73SVikas Chaudhary return QLA_SUCCESS; 64031cb78d73SVikas Chaudhary } 64041cb78d73SVikas Chaudhary } 64051cb78d73SVikas Chaudhary return QLA_ERROR; 64061cb78d73SVikas Chaudhary } 64071cb78d73SVikas Chaudhary 64081cb78d73SVikas Chaudhary /** 64091cb78d73SVikas Chaudhary * qla4xxx_update_isid - compare ddbs and updated isid 64101cb78d73SVikas Chaudhary * @ha: Pointer to host adapter structure. 64111cb78d73SVikas Chaudhary * @list_nt: list of nt target 64121cb78d73SVikas Chaudhary * @fw_ddb_entry: firmware ddb entry 64131cb78d73SVikas Chaudhary * 64141cb78d73SVikas Chaudhary * This routine update isid if ddbs have same iqn, same isid and 64151cb78d73SVikas Chaudhary * different IP addr. 64161cb78d73SVikas Chaudhary * Return QLA_SUCCESS if isid is updated. 64171cb78d73SVikas Chaudhary **/ 64181cb78d73SVikas Chaudhary static int qla4xxx_update_isid(struct scsi_qla_host *ha, 64191cb78d73SVikas Chaudhary struct list_head *list_nt, 64201cb78d73SVikas Chaudhary struct dev_db_entry *fw_ddb_entry) 64211cb78d73SVikas Chaudhary { 64221cb78d73SVikas Chaudhary uint8_t base_value, i; 64231cb78d73SVikas Chaudhary 64241cb78d73SVikas Chaudhary base_value = fw_ddb_entry->isid[1] & 0x1f; 64251cb78d73SVikas Chaudhary for (i = 0; i < 8; i++) { 64261cb78d73SVikas Chaudhary fw_ddb_entry->isid[1] = (base_value | (i << 5)); 64271cb78d73SVikas Chaudhary if (qla4xxx_check_existing_isid(list_nt, fw_ddb_entry->isid)) 64281cb78d73SVikas Chaudhary break; 64291cb78d73SVikas Chaudhary } 64301cb78d73SVikas Chaudhary 64311cb78d73SVikas Chaudhary if (!qla4xxx_check_existing_isid(list_nt, fw_ddb_entry->isid)) 64321cb78d73SVikas Chaudhary return QLA_ERROR; 64331cb78d73SVikas Chaudhary 64341cb78d73SVikas Chaudhary return QLA_SUCCESS; 64351cb78d73SVikas Chaudhary } 64361cb78d73SVikas Chaudhary 64371cb78d73SVikas Chaudhary /** 64381cb78d73SVikas Chaudhary * qla4xxx_should_update_isid - check if isid need to update 64391cb78d73SVikas Chaudhary * @ha: Pointer to host adapter structure. 64401cb78d73SVikas Chaudhary * @old_tddb: ddb tuple 64411cb78d73SVikas Chaudhary * @new_tddb: ddb tuple 64421cb78d73SVikas Chaudhary * 64431cb78d73SVikas Chaudhary * Return QLA_SUCCESS if different IP, different PORT, same iqn, 64441cb78d73SVikas Chaudhary * same isid 64451cb78d73SVikas Chaudhary **/ 64461cb78d73SVikas Chaudhary static int qla4xxx_should_update_isid(struct scsi_qla_host *ha, 64471cb78d73SVikas Chaudhary struct ql4_tuple_ddb *old_tddb, 64481cb78d73SVikas Chaudhary struct ql4_tuple_ddb *new_tddb) 64491cb78d73SVikas Chaudhary { 64501cb78d73SVikas Chaudhary if (strcmp(old_tddb->ip_addr, new_tddb->ip_addr) == 0) { 64511cb78d73SVikas Chaudhary /* Same ip */ 64521cb78d73SVikas Chaudhary if (old_tddb->port == new_tddb->port) 64531cb78d73SVikas Chaudhary return QLA_ERROR; 64541cb78d73SVikas Chaudhary } 64551cb78d73SVikas Chaudhary 64561cb78d73SVikas Chaudhary if (strcmp(old_tddb->iscsi_name, new_tddb->iscsi_name)) 64571cb78d73SVikas Chaudhary /* different iqn */ 64581cb78d73SVikas Chaudhary return QLA_ERROR; 64591cb78d73SVikas Chaudhary 64601cb78d73SVikas Chaudhary if (memcmp(&old_tddb->isid[0], &new_tddb->isid[0], 64611cb78d73SVikas Chaudhary sizeof(old_tddb->isid))) 64621cb78d73SVikas Chaudhary /* different isid */ 64631cb78d73SVikas Chaudhary return QLA_ERROR; 64641cb78d73SVikas Chaudhary 64651cb78d73SVikas Chaudhary return QLA_SUCCESS; 64661cb78d73SVikas Chaudhary } 64671cb78d73SVikas Chaudhary 64681cb78d73SVikas Chaudhary /** 64691cb78d73SVikas Chaudhary * qla4xxx_is_flash_ddb_exists - check if fw_ddb_entry already exists in list_nt 64701cb78d73SVikas Chaudhary * @ha: Pointer to host adapter structure. 64711cb78d73SVikas Chaudhary * @list_nt: list of nt target. 64721cb78d73SVikas Chaudhary * @fw_ddb_entry: firmware ddb entry. 64731cb78d73SVikas Chaudhary * 64741cb78d73SVikas Chaudhary * This routine check if fw_ddb_entry already exists in list_nt to avoid 64751cb78d73SVikas Chaudhary * duplicate ddb in list_nt. 64761cb78d73SVikas Chaudhary * Return QLA_SUCCESS if duplicate ddb exit in list_nl. 64771cb78d73SVikas Chaudhary * Note: This function also update isid of DDB if required. 64781cb78d73SVikas Chaudhary **/ 64791cb78d73SVikas Chaudhary 648013483730SMike Christie static int qla4xxx_is_flash_ddb_exists(struct scsi_qla_host *ha, 648113483730SMike Christie struct list_head *list_nt, 648213483730SMike Christie struct dev_db_entry *fw_ddb_entry) 648313483730SMike Christie { 648413483730SMike Christie struct qla_ddb_index *nt_ddb_idx, *nt_ddb_idx_tmp; 648513483730SMike Christie struct ql4_tuple_ddb *fw_tddb = NULL; 648613483730SMike Christie struct ql4_tuple_ddb *tmp_tddb = NULL; 64871cb78d73SVikas Chaudhary int rval, ret = QLA_ERROR; 648813483730SMike Christie 648913483730SMike Christie fw_tddb = vzalloc(sizeof(*fw_tddb)); 649013483730SMike Christie if (!fw_tddb) { 649113483730SMike Christie DEBUG2(ql4_printk(KERN_WARNING, ha, 649213483730SMike Christie "Memory Allocation failed.\n")); 649313483730SMike Christie ret = QLA_SUCCESS; 649413483730SMike Christie goto exit_check; 649513483730SMike Christie } 649613483730SMike Christie 649713483730SMike Christie tmp_tddb = vzalloc(sizeof(*tmp_tddb)); 649813483730SMike Christie if (!tmp_tddb) { 649913483730SMike Christie DEBUG2(ql4_printk(KERN_WARNING, ha, 650013483730SMike Christie "Memory Allocation failed.\n")); 650113483730SMike Christie ret = QLA_SUCCESS; 650213483730SMike Christie goto exit_check; 650313483730SMike Christie } 650413483730SMike Christie 65051cb78d73SVikas Chaudhary qla4xxx_convert_param_ddb(fw_ddb_entry, fw_tddb, NULL); 650613483730SMike Christie 650713483730SMike Christie list_for_each_entry_safe(nt_ddb_idx, nt_ddb_idx_tmp, list_nt, list) { 65081cb78d73SVikas Chaudhary qla4xxx_convert_param_ddb(&nt_ddb_idx->fw_ddb, tmp_tddb, 65091cb78d73SVikas Chaudhary nt_ddb_idx->flash_isid); 65101cb78d73SVikas Chaudhary ret = qla4xxx_compare_tuple_ddb(ha, fw_tddb, tmp_tddb, true); 65111cb78d73SVikas Chaudhary /* found duplicate ddb */ 65121cb78d73SVikas Chaudhary if (ret == QLA_SUCCESS) 65131cb78d73SVikas Chaudhary goto exit_check; 65141cb78d73SVikas Chaudhary } 65151cb78d73SVikas Chaudhary 65161cb78d73SVikas Chaudhary list_for_each_entry_safe(nt_ddb_idx, nt_ddb_idx_tmp, list_nt, list) { 65171cb78d73SVikas Chaudhary qla4xxx_convert_param_ddb(&nt_ddb_idx->fw_ddb, tmp_tddb, NULL); 65181cb78d73SVikas Chaudhary 65191cb78d73SVikas Chaudhary ret = qla4xxx_should_update_isid(ha, tmp_tddb, fw_tddb); 65201cb78d73SVikas Chaudhary if (ret == QLA_SUCCESS) { 65211cb78d73SVikas Chaudhary rval = qla4xxx_update_isid(ha, list_nt, fw_ddb_entry); 65221cb78d73SVikas Chaudhary if (rval == QLA_SUCCESS) 65231cb78d73SVikas Chaudhary ret = QLA_ERROR; 65241cb78d73SVikas Chaudhary else 65251cb78d73SVikas Chaudhary ret = QLA_SUCCESS; 65261cb78d73SVikas Chaudhary 652713483730SMike Christie goto exit_check; 652813483730SMike Christie } 652913483730SMike Christie } 653013483730SMike Christie 653113483730SMike Christie exit_check: 653213483730SMike Christie if (fw_tddb) 653313483730SMike Christie vfree(fw_tddb); 653413483730SMike Christie if (tmp_tddb) 653513483730SMike Christie vfree(tmp_tddb); 653613483730SMike Christie return ret; 653713483730SMike Christie } 653813483730SMike Christie 65394a4bc2e9SLalit Chandivade static void qla4xxx_free_ddb_list(struct list_head *list_ddb) 654013483730SMike Christie { 65414a4bc2e9SLalit Chandivade struct qla_ddb_index *ddb_idx, *ddb_idx_tmp; 654213483730SMike Christie 65434a4bc2e9SLalit Chandivade list_for_each_entry_safe(ddb_idx, ddb_idx_tmp, list_ddb, list) { 65444a4bc2e9SLalit Chandivade list_del_init(&ddb_idx->list); 65454a4bc2e9SLalit Chandivade vfree(ddb_idx); 654613483730SMike Christie } 654713483730SMike Christie } 654813483730SMike Christie 654913483730SMike Christie static struct iscsi_endpoint *qla4xxx_get_ep_fwdb(struct scsi_qla_host *ha, 655013483730SMike Christie struct dev_db_entry *fw_ddb_entry) 655113483730SMike Christie { 655213483730SMike Christie struct iscsi_endpoint *ep; 655313483730SMike Christie struct sockaddr_in *addr; 655413483730SMike Christie struct sockaddr_in6 *addr6; 65553dd4849cSManish Rangankar struct sockaddr *t_addr; 65563dd4849cSManish Rangankar struct sockaddr_storage *dst_addr; 655713483730SMike Christie char *ip; 655813483730SMike Christie 655913483730SMike Christie /* TODO: need to destroy on unload iscsi_endpoint*/ 656013483730SMike Christie dst_addr = vmalloc(sizeof(*dst_addr)); 656113483730SMike Christie if (!dst_addr) 656213483730SMike Christie return NULL; 656313483730SMike Christie 656413483730SMike Christie if (fw_ddb_entry->options & DDB_OPT_IPV6_DEVICE) { 65653dd4849cSManish Rangankar t_addr = (struct sockaddr *)dst_addr; 65663dd4849cSManish Rangankar t_addr->sa_family = AF_INET6; 656713483730SMike Christie addr6 = (struct sockaddr_in6 *)dst_addr; 656813483730SMike Christie ip = (char *)&addr6->sin6_addr; 656913483730SMike Christie memcpy(ip, fw_ddb_entry->ip_addr, IPv6_ADDR_LEN); 657013483730SMike Christie addr6->sin6_port = htons(le16_to_cpu(fw_ddb_entry->port)); 657113483730SMike Christie 657213483730SMike Christie } else { 65733dd4849cSManish Rangankar t_addr = (struct sockaddr *)dst_addr; 65743dd4849cSManish Rangankar t_addr->sa_family = AF_INET; 657513483730SMike Christie addr = (struct sockaddr_in *)dst_addr; 657613483730SMike Christie ip = (char *)&addr->sin_addr; 657713483730SMike Christie memcpy(ip, fw_ddb_entry->ip_addr, IP_ADDR_LEN); 657813483730SMike Christie addr->sin_port = htons(le16_to_cpu(fw_ddb_entry->port)); 657913483730SMike Christie } 658013483730SMike Christie 65813dd4849cSManish Rangankar ep = qla4xxx_ep_connect(ha->host, (struct sockaddr *)dst_addr, 0); 658213483730SMike Christie vfree(dst_addr); 658313483730SMike Christie return ep; 658413483730SMike Christie } 658513483730SMike Christie 658613483730SMike Christie static int qla4xxx_verify_boot_idx(struct scsi_qla_host *ha, uint16_t idx) 658713483730SMike Christie { 658813483730SMike Christie if (ql4xdisablesysfsboot) 658913483730SMike Christie return QLA_SUCCESS; 659013483730SMike Christie if (idx == ha->pri_ddb_idx || idx == ha->sec_ddb_idx) 659113483730SMike Christie return QLA_ERROR; 659213483730SMike Christie return QLA_SUCCESS; 659313483730SMike Christie } 659413483730SMike Christie 659513483730SMike Christie static void qla4xxx_setup_flash_ddb_entry(struct scsi_qla_host *ha, 65961dc8ed5dSManish Rangankar struct ddb_entry *ddb_entry, 65971dc8ed5dSManish Rangankar uint16_t idx) 659813483730SMike Christie { 6599c28eaacaSNilesh Javali uint16_t def_timeout; 6600c28eaacaSNilesh Javali 660113483730SMike Christie ddb_entry->ddb_type = FLASH_DDB; 660213483730SMike Christie ddb_entry->fw_ddb_index = INVALID_ENTRY; 660313483730SMike Christie ddb_entry->fw_ddb_device_state = DDB_DS_NO_CONNECTION_ACTIVE; 660413483730SMike Christie ddb_entry->ha = ha; 660513483730SMike Christie ddb_entry->unblock_sess = qla4xxx_unblock_flash_ddb; 660613483730SMike Christie ddb_entry->ddb_change = qla4xxx_flash_ddb_change; 6607946ac571SAdheer Chandravanshi ddb_entry->chap_tbl_idx = INVALID_ENTRY; 660813483730SMike Christie 660913483730SMike Christie atomic_set(&ddb_entry->retry_relogin_timer, INVALID_ENTRY); 661013483730SMike Christie atomic_set(&ddb_entry->relogin_timer, 0); 661113483730SMike Christie atomic_set(&ddb_entry->relogin_retry_count, 0); 6612c28eaacaSNilesh Javali def_timeout = le16_to_cpu(ddb_entry->fw_ddb_entry.def_timeout); 661313483730SMike Christie ddb_entry->default_relogin_timeout = 6614c28eaacaSNilesh Javali (def_timeout > LOGIN_TOV) && (def_timeout < LOGIN_TOV * 10) ? 6615c28eaacaSNilesh Javali def_timeout : LOGIN_TOV; 661613483730SMike Christie ddb_entry->default_time2wait = 661713483730SMike Christie le16_to_cpu(ddb_entry->fw_ddb_entry.iscsi_def_time2wait); 66181dc8ed5dSManish Rangankar 66191dc8ed5dSManish Rangankar if (ql4xdisablesysfsboot && 66201dc8ed5dSManish Rangankar (idx == ha->pri_ddb_idx || idx == ha->sec_ddb_idx)) 66211dc8ed5dSManish Rangankar set_bit(DF_BOOT_TGT, &ddb_entry->flags); 662213483730SMike Christie } 662313483730SMike Christie 662413483730SMike Christie static void qla4xxx_wait_for_ip_configuration(struct scsi_qla_host *ha) 662513483730SMike Christie { 662613483730SMike Christie uint32_t idx = 0; 662713483730SMike Christie uint32_t ip_idx[IP_ADDR_COUNT] = {0, 1, 2, 3}; /* 4 IP interfaces */ 662813483730SMike Christie uint32_t sts[MBOX_REG_COUNT]; 662913483730SMike Christie uint32_t ip_state; 663013483730SMike Christie unsigned long wtime; 663113483730SMike Christie int ret; 663213483730SMike Christie 663313483730SMike Christie wtime = jiffies + (HZ * IP_CONFIG_TOV); 663413483730SMike Christie do { 663513483730SMike Christie for (idx = 0; idx < IP_ADDR_COUNT; idx++) { 663613483730SMike Christie if (ip_idx[idx] == -1) 663713483730SMike Christie continue; 663813483730SMike Christie 663913483730SMike Christie ret = qla4xxx_get_ip_state(ha, 0, ip_idx[idx], sts); 664013483730SMike Christie 664113483730SMike Christie if (ret == QLA_ERROR) { 664213483730SMike Christie ip_idx[idx] = -1; 664313483730SMike Christie continue; 664413483730SMike Christie } 664513483730SMike Christie 664613483730SMike Christie ip_state = (sts[1] & IP_STATE_MASK) >> IP_STATE_SHIFT; 664713483730SMike Christie 664813483730SMike Christie DEBUG2(ql4_printk(KERN_INFO, ha, 664913483730SMike Christie "Waiting for IP state for idx = %d, state = 0x%x\n", 665013483730SMike Christie ip_idx[idx], ip_state)); 665113483730SMike Christie if (ip_state == IP_ADDRSTATE_UNCONFIGURED || 665213483730SMike Christie ip_state == IP_ADDRSTATE_INVALID || 665313483730SMike Christie ip_state == IP_ADDRSTATE_PREFERRED || 665413483730SMike Christie ip_state == IP_ADDRSTATE_DEPRICATED || 665513483730SMike Christie ip_state == IP_ADDRSTATE_DISABLING) 665613483730SMike Christie ip_idx[idx] = -1; 665713483730SMike Christie } 665813483730SMike Christie 665913483730SMike Christie /* Break if all IP states checked */ 666013483730SMike Christie if ((ip_idx[0] == -1) && 666113483730SMike Christie (ip_idx[1] == -1) && 666213483730SMike Christie (ip_idx[2] == -1) && 666313483730SMike Christie (ip_idx[3] == -1)) 666413483730SMike Christie break; 666513483730SMike Christie schedule_timeout_uninterruptible(HZ); 666613483730SMike Christie } while (time_after(wtime, jiffies)); 666713483730SMike Christie } 666813483730SMike Christie 6669ad8bd45eSManish Rangankar static int qla4xxx_cmp_fw_stentry(struct dev_db_entry *fw_ddb_entry, 6670ad8bd45eSManish Rangankar struct dev_db_entry *flash_ddb_entry) 6671ad8bd45eSManish Rangankar { 6672ad8bd45eSManish Rangankar uint16_t options = 0; 6673ad8bd45eSManish Rangankar size_t ip_len = IP_ADDR_LEN; 6674ad8bd45eSManish Rangankar 6675ad8bd45eSManish Rangankar options = le16_to_cpu(fw_ddb_entry->options); 6676ad8bd45eSManish Rangankar if (options & DDB_OPT_IPV6_DEVICE) 6677ad8bd45eSManish Rangankar ip_len = IPv6_ADDR_LEN; 6678ad8bd45eSManish Rangankar 6679ad8bd45eSManish Rangankar if (memcmp(fw_ddb_entry->ip_addr, flash_ddb_entry->ip_addr, ip_len)) 6680ad8bd45eSManish Rangankar return QLA_ERROR; 6681ad8bd45eSManish Rangankar 6682ad8bd45eSManish Rangankar if (memcmp(&fw_ddb_entry->isid[0], &flash_ddb_entry->isid[0], 6683ad8bd45eSManish Rangankar sizeof(fw_ddb_entry->isid))) 6684ad8bd45eSManish Rangankar return QLA_ERROR; 6685ad8bd45eSManish Rangankar 6686ad8bd45eSManish Rangankar if (memcmp(&fw_ddb_entry->port, &flash_ddb_entry->port, 6687ad8bd45eSManish Rangankar sizeof(fw_ddb_entry->port))) 6688ad8bd45eSManish Rangankar return QLA_ERROR; 6689ad8bd45eSManish Rangankar 6690ad8bd45eSManish Rangankar return QLA_SUCCESS; 6691ad8bd45eSManish Rangankar } 6692ad8bd45eSManish Rangankar 6693ad8bd45eSManish Rangankar static int qla4xxx_find_flash_st_idx(struct scsi_qla_host *ha, 6694ad8bd45eSManish Rangankar struct dev_db_entry *fw_ddb_entry, 6695ad8bd45eSManish Rangankar uint32_t fw_idx, uint32_t *flash_index) 6696ad8bd45eSManish Rangankar { 6697ad8bd45eSManish Rangankar struct dev_db_entry *flash_ddb_entry; 6698ad8bd45eSManish Rangankar dma_addr_t flash_ddb_entry_dma; 6699ad8bd45eSManish Rangankar uint32_t idx = 0; 6700ad8bd45eSManish Rangankar int max_ddbs; 6701ad8bd45eSManish Rangankar int ret = QLA_ERROR, status; 6702ad8bd45eSManish Rangankar 6703ad8bd45eSManish Rangankar max_ddbs = is_qla40XX(ha) ? MAX_DEV_DB_ENTRIES_40XX : 6704ad8bd45eSManish Rangankar MAX_DEV_DB_ENTRIES; 6705ad8bd45eSManish Rangankar 6706ad8bd45eSManish Rangankar flash_ddb_entry = dma_pool_alloc(ha->fw_ddb_dma_pool, GFP_KERNEL, 6707ad8bd45eSManish Rangankar &flash_ddb_entry_dma); 6708ad8bd45eSManish Rangankar if (flash_ddb_entry == NULL || fw_ddb_entry == NULL) { 6709ad8bd45eSManish Rangankar ql4_printk(KERN_ERR, ha, "Out of memory\n"); 6710ad8bd45eSManish Rangankar goto exit_find_st_idx; 6711ad8bd45eSManish Rangankar } 6712ad8bd45eSManish Rangankar 6713ad8bd45eSManish Rangankar status = qla4xxx_flashdb_by_index(ha, flash_ddb_entry, 6714ad8bd45eSManish Rangankar flash_ddb_entry_dma, fw_idx); 6715ad8bd45eSManish Rangankar if (status == QLA_SUCCESS) { 6716ad8bd45eSManish Rangankar status = qla4xxx_cmp_fw_stentry(fw_ddb_entry, flash_ddb_entry); 6717ad8bd45eSManish Rangankar if (status == QLA_SUCCESS) { 6718ad8bd45eSManish Rangankar *flash_index = fw_idx; 6719ad8bd45eSManish Rangankar ret = QLA_SUCCESS; 6720ad8bd45eSManish Rangankar goto exit_find_st_idx; 6721ad8bd45eSManish Rangankar } 6722ad8bd45eSManish Rangankar } 6723ad8bd45eSManish Rangankar 6724ad8bd45eSManish Rangankar for (idx = 0; idx < max_ddbs; idx++) { 6725ad8bd45eSManish Rangankar status = qla4xxx_flashdb_by_index(ha, flash_ddb_entry, 6726ad8bd45eSManish Rangankar flash_ddb_entry_dma, idx); 6727ad8bd45eSManish Rangankar if (status == QLA_ERROR) 6728ad8bd45eSManish Rangankar continue; 6729ad8bd45eSManish Rangankar 6730ad8bd45eSManish Rangankar status = qla4xxx_cmp_fw_stentry(fw_ddb_entry, flash_ddb_entry); 6731ad8bd45eSManish Rangankar if (status == QLA_SUCCESS) { 6732ad8bd45eSManish Rangankar *flash_index = idx; 6733ad8bd45eSManish Rangankar ret = QLA_SUCCESS; 6734ad8bd45eSManish Rangankar goto exit_find_st_idx; 6735ad8bd45eSManish Rangankar } 6736ad8bd45eSManish Rangankar } 6737ad8bd45eSManish Rangankar 6738ad8bd45eSManish Rangankar if (idx == max_ddbs) 6739ad8bd45eSManish Rangankar ql4_printk(KERN_ERR, ha, "Failed to find ST [%d] in flash\n", 6740ad8bd45eSManish Rangankar fw_idx); 6741ad8bd45eSManish Rangankar 6742ad8bd45eSManish Rangankar exit_find_st_idx: 6743ad8bd45eSManish Rangankar if (flash_ddb_entry) 6744ad8bd45eSManish Rangankar dma_pool_free(ha->fw_ddb_dma_pool, flash_ddb_entry, 6745ad8bd45eSManish Rangankar flash_ddb_entry_dma); 6746ad8bd45eSManish Rangankar 6747ad8bd45eSManish Rangankar return ret; 6748ad8bd45eSManish Rangankar } 6749ad8bd45eSManish Rangankar 67504a4bc2e9SLalit Chandivade static void qla4xxx_build_st_list(struct scsi_qla_host *ha, 67514a4bc2e9SLalit Chandivade struct list_head *list_st) 675213483730SMike Christie { 67534a4bc2e9SLalit Chandivade struct qla_ddb_index *st_ddb_idx; 675413483730SMike Christie int max_ddbs; 67554a4bc2e9SLalit Chandivade int fw_idx_size; 67564a4bc2e9SLalit Chandivade struct dev_db_entry *fw_ddb_entry; 67574a4bc2e9SLalit Chandivade dma_addr_t fw_ddb_dma; 675813483730SMike Christie int ret; 675913483730SMike Christie uint32_t idx = 0, next_idx = 0; 676013483730SMike Christie uint32_t state = 0, conn_err = 0; 6761ad8bd45eSManish Rangankar uint32_t flash_index = -1; 67624a4bc2e9SLalit Chandivade uint16_t conn_id = 0; 676313483730SMike Christie 676413483730SMike Christie fw_ddb_entry = dma_pool_alloc(ha->fw_ddb_dma_pool, GFP_KERNEL, 676513483730SMike Christie &fw_ddb_dma); 676613483730SMike Christie if (fw_ddb_entry == NULL) { 676713483730SMike Christie DEBUG2(ql4_printk(KERN_ERR, ha, "Out of memory\n")); 67684a4bc2e9SLalit Chandivade goto exit_st_list; 676913483730SMike Christie } 677013483730SMike Christie 67714a4bc2e9SLalit Chandivade max_ddbs = is_qla40XX(ha) ? MAX_DEV_DB_ENTRIES_40XX : 67724a4bc2e9SLalit Chandivade MAX_DEV_DB_ENTRIES; 677313483730SMike Christie fw_idx_size = sizeof(struct qla_ddb_index); 677413483730SMike Christie 677513483730SMike Christie for (idx = 0; idx < max_ddbs; idx = next_idx) { 67764a4bc2e9SLalit Chandivade ret = qla4xxx_get_fwddb_entry(ha, idx, fw_ddb_entry, fw_ddb_dma, 67774a4bc2e9SLalit Chandivade NULL, &next_idx, &state, 67784a4bc2e9SLalit Chandivade &conn_err, NULL, &conn_id); 677913483730SMike Christie if (ret == QLA_ERROR) 678013483730SMike Christie break; 678113483730SMike Christie 6782981c982cSLalit Chandivade /* Ignore DDB if invalid state (unassigned) */ 6783981c982cSLalit Chandivade if (state == DDB_DS_UNASSIGNED) 6784981c982cSLalit Chandivade goto continue_next_st; 6785981c982cSLalit Chandivade 678613483730SMike Christie /* Check if ST, add to the list_st */ 678713483730SMike Christie if (strlen((char *) fw_ddb_entry->iscsi_name) != 0) 678813483730SMike Christie goto continue_next_st; 678913483730SMike Christie 679013483730SMike Christie st_ddb_idx = vzalloc(fw_idx_size); 679113483730SMike Christie if (!st_ddb_idx) 679213483730SMike Christie break; 679313483730SMike Christie 6794ad8bd45eSManish Rangankar ret = qla4xxx_find_flash_st_idx(ha, fw_ddb_entry, idx, 6795ad8bd45eSManish Rangankar &flash_index); 6796ad8bd45eSManish Rangankar if (ret == QLA_ERROR) { 6797ad8bd45eSManish Rangankar ql4_printk(KERN_ERR, ha, 6798ad8bd45eSManish Rangankar "No flash entry for ST at idx [%d]\n", idx); 6799ad8bd45eSManish Rangankar st_ddb_idx->flash_ddb_idx = idx; 6800ad8bd45eSManish Rangankar } else { 6801ad8bd45eSManish Rangankar ql4_printk(KERN_INFO, ha, 6802ad8bd45eSManish Rangankar "ST at idx [%d] is stored at flash [%d]\n", 6803ad8bd45eSManish Rangankar idx, flash_index); 6804ad8bd45eSManish Rangankar st_ddb_idx->flash_ddb_idx = flash_index; 6805ad8bd45eSManish Rangankar } 6806ad8bd45eSManish Rangankar 680713483730SMike Christie st_ddb_idx->fw_ddb_idx = idx; 680813483730SMike Christie 68094a4bc2e9SLalit Chandivade list_add_tail(&st_ddb_idx->list, list_st); 681013483730SMike Christie continue_next_st: 681113483730SMike Christie if (next_idx == 0) 681213483730SMike Christie break; 681313483730SMike Christie } 681413483730SMike Christie 68154a4bc2e9SLalit Chandivade exit_st_list: 68164a4bc2e9SLalit Chandivade if (fw_ddb_entry) 68174a4bc2e9SLalit Chandivade dma_pool_free(ha->fw_ddb_dma_pool, fw_ddb_entry, fw_ddb_dma); 68184a4bc2e9SLalit Chandivade } 68194a4bc2e9SLalit Chandivade 68204a4bc2e9SLalit Chandivade /** 68214a4bc2e9SLalit Chandivade * qla4xxx_remove_failed_ddb - Remove inactive or failed ddb from list 68224a4bc2e9SLalit Chandivade * @ha: pointer to adapter structure 68234a4bc2e9SLalit Chandivade * @list_ddb: List from which failed ddb to be removed 68244a4bc2e9SLalit Chandivade * 68254a4bc2e9SLalit Chandivade * Iterate over the list of DDBs and find and remove DDBs that are either in 68264a4bc2e9SLalit Chandivade * no connection active state or failed state 68274a4bc2e9SLalit Chandivade **/ 68284a4bc2e9SLalit Chandivade static void qla4xxx_remove_failed_ddb(struct scsi_qla_host *ha, 68294a4bc2e9SLalit Chandivade struct list_head *list_ddb) 68304a4bc2e9SLalit Chandivade { 68314a4bc2e9SLalit Chandivade struct qla_ddb_index *ddb_idx, *ddb_idx_tmp; 68324a4bc2e9SLalit Chandivade uint32_t next_idx = 0; 68334a4bc2e9SLalit Chandivade uint32_t state = 0, conn_err = 0; 68344a4bc2e9SLalit Chandivade int ret; 68354a4bc2e9SLalit Chandivade 68364a4bc2e9SLalit Chandivade list_for_each_entry_safe(ddb_idx, ddb_idx_tmp, list_ddb, list) { 68374a4bc2e9SLalit Chandivade ret = qla4xxx_get_fwddb_entry(ha, ddb_idx->fw_ddb_idx, 68384a4bc2e9SLalit Chandivade NULL, 0, NULL, &next_idx, &state, 68394a4bc2e9SLalit Chandivade &conn_err, NULL, NULL); 68404a4bc2e9SLalit Chandivade if (ret == QLA_ERROR) 68414a4bc2e9SLalit Chandivade continue; 68424a4bc2e9SLalit Chandivade 68434a4bc2e9SLalit Chandivade if (state == DDB_DS_NO_CONNECTION_ACTIVE || 68444a4bc2e9SLalit Chandivade state == DDB_DS_SESSION_FAILED) { 68454a4bc2e9SLalit Chandivade list_del_init(&ddb_idx->list); 68464a4bc2e9SLalit Chandivade vfree(ddb_idx); 68474a4bc2e9SLalit Chandivade } 68484a4bc2e9SLalit Chandivade } 68494a4bc2e9SLalit Chandivade } 68504a4bc2e9SLalit Chandivade 6851ad8bd45eSManish Rangankar static void qla4xxx_update_sess_disc_idx(struct scsi_qla_host *ha, 6852ad8bd45eSManish Rangankar struct ddb_entry *ddb_entry, 6853ad8bd45eSManish Rangankar struct dev_db_entry *fw_ddb_entry) 6854ad8bd45eSManish Rangankar { 6855ad8bd45eSManish Rangankar struct iscsi_cls_session *cls_sess; 6856ad8bd45eSManish Rangankar struct iscsi_session *sess; 6857ad8bd45eSManish Rangankar uint32_t max_ddbs = 0; 6858ad8bd45eSManish Rangankar uint16_t ddb_link = -1; 6859ad8bd45eSManish Rangankar 6860ad8bd45eSManish Rangankar max_ddbs = is_qla40XX(ha) ? MAX_DEV_DB_ENTRIES_40XX : 6861ad8bd45eSManish Rangankar MAX_DEV_DB_ENTRIES; 6862ad8bd45eSManish Rangankar 6863ad8bd45eSManish Rangankar cls_sess = ddb_entry->sess; 6864ad8bd45eSManish Rangankar sess = cls_sess->dd_data; 6865ad8bd45eSManish Rangankar 6866ad8bd45eSManish Rangankar ddb_link = le16_to_cpu(fw_ddb_entry->ddb_link); 6867ad8bd45eSManish Rangankar if (ddb_link < max_ddbs) 6868ad8bd45eSManish Rangankar sess->discovery_parent_idx = ddb_link; 6869ad8bd45eSManish Rangankar else 6870ad8bd45eSManish Rangankar sess->discovery_parent_idx = DDB_NO_LINK; 6871ad8bd45eSManish Rangankar } 6872ad8bd45eSManish Rangankar 68734a4bc2e9SLalit Chandivade static int qla4xxx_sess_conn_setup(struct scsi_qla_host *ha, 68744a4bc2e9SLalit Chandivade struct dev_db_entry *fw_ddb_entry, 68751dc8ed5dSManish Rangankar int is_reset, uint16_t idx) 68764a4bc2e9SLalit Chandivade { 68774a4bc2e9SLalit Chandivade struct iscsi_cls_session *cls_sess; 68784a4bc2e9SLalit Chandivade struct iscsi_session *sess; 68794a4bc2e9SLalit Chandivade struct iscsi_cls_conn *cls_conn; 68804a4bc2e9SLalit Chandivade struct iscsi_endpoint *ep; 68814a4bc2e9SLalit Chandivade uint16_t cmds_max = 32; 68824a4bc2e9SLalit Chandivade uint16_t conn_id = 0; 68834a4bc2e9SLalit Chandivade uint32_t initial_cmdsn = 0; 68844a4bc2e9SLalit Chandivade int ret = QLA_SUCCESS; 68854a4bc2e9SLalit Chandivade 68864a4bc2e9SLalit Chandivade struct ddb_entry *ddb_entry = NULL; 68874a4bc2e9SLalit Chandivade 68884a4bc2e9SLalit Chandivade /* Create session object, with INVALID_ENTRY, 68894a4bc2e9SLalit Chandivade * the targer_id would get set when we issue the login 68904a4bc2e9SLalit Chandivade */ 68914a4bc2e9SLalit Chandivade cls_sess = iscsi_session_setup(&qla4xxx_iscsi_transport, ha->host, 68924a4bc2e9SLalit Chandivade cmds_max, sizeof(struct ddb_entry), 68934a4bc2e9SLalit Chandivade sizeof(struct ql4_task_data), 68944a4bc2e9SLalit Chandivade initial_cmdsn, INVALID_ENTRY); 68954a4bc2e9SLalit Chandivade if (!cls_sess) { 68964a4bc2e9SLalit Chandivade ret = QLA_ERROR; 68974a4bc2e9SLalit Chandivade goto exit_setup; 68984a4bc2e9SLalit Chandivade } 68994a4bc2e9SLalit Chandivade 69004a4bc2e9SLalit Chandivade /* 69014a4bc2e9SLalit Chandivade * so calling module_put function to decrement the 69024a4bc2e9SLalit Chandivade * reference count. 69034a4bc2e9SLalit Chandivade **/ 69044a4bc2e9SLalit Chandivade module_put(qla4xxx_iscsi_transport.owner); 69054a4bc2e9SLalit Chandivade sess = cls_sess->dd_data; 69064a4bc2e9SLalit Chandivade ddb_entry = sess->dd_data; 69074a4bc2e9SLalit Chandivade ddb_entry->sess = cls_sess; 69084a4bc2e9SLalit Chandivade 69094a4bc2e9SLalit Chandivade cls_sess->recovery_tmo = ql4xsess_recovery_tmo; 69104a4bc2e9SLalit Chandivade memcpy(&ddb_entry->fw_ddb_entry, fw_ddb_entry, 69114a4bc2e9SLalit Chandivade sizeof(struct dev_db_entry)); 69124a4bc2e9SLalit Chandivade 69131dc8ed5dSManish Rangankar qla4xxx_setup_flash_ddb_entry(ha, ddb_entry, idx); 69144a4bc2e9SLalit Chandivade 69154a4bc2e9SLalit Chandivade cls_conn = iscsi_conn_setup(cls_sess, sizeof(struct qla_conn), conn_id); 69164a4bc2e9SLalit Chandivade 69174a4bc2e9SLalit Chandivade if (!cls_conn) { 69184a4bc2e9SLalit Chandivade ret = QLA_ERROR; 69194a4bc2e9SLalit Chandivade goto exit_setup; 69204a4bc2e9SLalit Chandivade } 69214a4bc2e9SLalit Chandivade 69224a4bc2e9SLalit Chandivade ddb_entry->conn = cls_conn; 69234a4bc2e9SLalit Chandivade 69244a4bc2e9SLalit Chandivade /* Setup ep, for displaying attributes in sysfs */ 69254a4bc2e9SLalit Chandivade ep = qla4xxx_get_ep_fwdb(ha, fw_ddb_entry); 69264a4bc2e9SLalit Chandivade if (ep) { 69274a4bc2e9SLalit Chandivade ep->conn = cls_conn; 69284a4bc2e9SLalit Chandivade cls_conn->ep = ep; 69294a4bc2e9SLalit Chandivade } else { 69304a4bc2e9SLalit Chandivade DEBUG2(ql4_printk(KERN_ERR, ha, "Unable to get ep\n")); 69314a4bc2e9SLalit Chandivade ret = QLA_ERROR; 69324a4bc2e9SLalit Chandivade goto exit_setup; 69334a4bc2e9SLalit Chandivade } 69344a4bc2e9SLalit Chandivade 69354a4bc2e9SLalit Chandivade /* Update sess/conn params */ 69364a4bc2e9SLalit Chandivade qla4xxx_copy_fwddb_param(ha, fw_ddb_entry, cls_sess, cls_conn); 6937ad8bd45eSManish Rangankar qla4xxx_update_sess_disc_idx(ha, ddb_entry, fw_ddb_entry); 69384a4bc2e9SLalit Chandivade 69394a4bc2e9SLalit Chandivade if (is_reset == RESET_ADAPTER) { 69404a4bc2e9SLalit Chandivade iscsi_block_session(cls_sess); 69414a4bc2e9SLalit Chandivade /* Use the relogin path to discover new devices 69424a4bc2e9SLalit Chandivade * by short-circuting the logic of setting 69434a4bc2e9SLalit Chandivade * timer to relogin - instead set the flags 69444a4bc2e9SLalit Chandivade * to initiate login right away. 69454a4bc2e9SLalit Chandivade */ 69464a4bc2e9SLalit Chandivade set_bit(DPC_RELOGIN_DEVICE, &ha->dpc_flags); 69474a4bc2e9SLalit Chandivade set_bit(DF_RELOGIN, &ddb_entry->flags); 69484a4bc2e9SLalit Chandivade } 69494a4bc2e9SLalit Chandivade 69504a4bc2e9SLalit Chandivade exit_setup: 69514a4bc2e9SLalit Chandivade return ret; 69524a4bc2e9SLalit Chandivade } 69534a4bc2e9SLalit Chandivade 6954ad8bd45eSManish Rangankar static void qla4xxx_update_fw_ddb_link(struct scsi_qla_host *ha, 6955ad8bd45eSManish Rangankar struct list_head *list_ddb, 6956ad8bd45eSManish Rangankar struct dev_db_entry *fw_ddb_entry) 6957ad8bd45eSManish Rangankar { 6958ad8bd45eSManish Rangankar struct qla_ddb_index *ddb_idx, *ddb_idx_tmp; 6959ad8bd45eSManish Rangankar uint16_t ddb_link; 6960ad8bd45eSManish Rangankar 6961ad8bd45eSManish Rangankar ddb_link = le16_to_cpu(fw_ddb_entry->ddb_link); 6962ad8bd45eSManish Rangankar 6963ad8bd45eSManish Rangankar list_for_each_entry_safe(ddb_idx, ddb_idx_tmp, list_ddb, list) { 6964ad8bd45eSManish Rangankar if (ddb_idx->fw_ddb_idx == ddb_link) { 6965ad8bd45eSManish Rangankar DEBUG2(ql4_printk(KERN_INFO, ha, 6966ad8bd45eSManish Rangankar "Updating NT parent idx from [%d] to [%d]\n", 6967ad8bd45eSManish Rangankar ddb_link, ddb_idx->flash_ddb_idx)); 6968ad8bd45eSManish Rangankar fw_ddb_entry->ddb_link = 6969ad8bd45eSManish Rangankar cpu_to_le16(ddb_idx->flash_ddb_idx); 6970ad8bd45eSManish Rangankar return; 6971ad8bd45eSManish Rangankar } 6972ad8bd45eSManish Rangankar } 6973ad8bd45eSManish Rangankar } 6974ad8bd45eSManish Rangankar 69754a4bc2e9SLalit Chandivade static void qla4xxx_build_nt_list(struct scsi_qla_host *ha, 6976ad8bd45eSManish Rangankar struct list_head *list_nt, 6977ad8bd45eSManish Rangankar struct list_head *list_st, 6978ad8bd45eSManish Rangankar int is_reset) 69794a4bc2e9SLalit Chandivade { 69804a4bc2e9SLalit Chandivade struct dev_db_entry *fw_ddb_entry; 6981ad8bd45eSManish Rangankar struct ddb_entry *ddb_entry = NULL; 69824a4bc2e9SLalit Chandivade dma_addr_t fw_ddb_dma; 69834a4bc2e9SLalit Chandivade int max_ddbs; 69844a4bc2e9SLalit Chandivade int fw_idx_size; 69854a4bc2e9SLalit Chandivade int ret; 69864a4bc2e9SLalit Chandivade uint32_t idx = 0, next_idx = 0; 69874a4bc2e9SLalit Chandivade uint32_t state = 0, conn_err = 0; 6988ad8bd45eSManish Rangankar uint32_t ddb_idx = -1; 69894a4bc2e9SLalit Chandivade uint16_t conn_id = 0; 6990ad8bd45eSManish Rangankar uint16_t ddb_link = -1; 69914a4bc2e9SLalit Chandivade struct qla_ddb_index *nt_ddb_idx; 69924a4bc2e9SLalit Chandivade 69934a4bc2e9SLalit Chandivade fw_ddb_entry = dma_pool_alloc(ha->fw_ddb_dma_pool, GFP_KERNEL, 69944a4bc2e9SLalit Chandivade &fw_ddb_dma); 69954a4bc2e9SLalit Chandivade if (fw_ddb_entry == NULL) { 69964a4bc2e9SLalit Chandivade DEBUG2(ql4_printk(KERN_ERR, ha, "Out of memory\n")); 69974a4bc2e9SLalit Chandivade goto exit_nt_list; 69984a4bc2e9SLalit Chandivade } 69994a4bc2e9SLalit Chandivade max_ddbs = is_qla40XX(ha) ? MAX_DEV_DB_ENTRIES_40XX : 70004a4bc2e9SLalit Chandivade MAX_DEV_DB_ENTRIES; 70014a4bc2e9SLalit Chandivade fw_idx_size = sizeof(struct qla_ddb_index); 70024a4bc2e9SLalit Chandivade 70034a4bc2e9SLalit Chandivade for (idx = 0; idx < max_ddbs; idx = next_idx) { 70044a4bc2e9SLalit Chandivade ret = qla4xxx_get_fwddb_entry(ha, idx, fw_ddb_entry, fw_ddb_dma, 70054a4bc2e9SLalit Chandivade NULL, &next_idx, &state, 70064a4bc2e9SLalit Chandivade &conn_err, NULL, &conn_id); 70074a4bc2e9SLalit Chandivade if (ret == QLA_ERROR) 70084a4bc2e9SLalit Chandivade break; 70094a4bc2e9SLalit Chandivade 70104a4bc2e9SLalit Chandivade if (qla4xxx_verify_boot_idx(ha, idx) != QLA_SUCCESS) 70114a4bc2e9SLalit Chandivade goto continue_next_nt; 70124a4bc2e9SLalit Chandivade 70134a4bc2e9SLalit Chandivade /* Check if NT, then add to list it */ 70144a4bc2e9SLalit Chandivade if (strlen((char *) fw_ddb_entry->iscsi_name) == 0) 70154a4bc2e9SLalit Chandivade goto continue_next_nt; 70164a4bc2e9SLalit Chandivade 7017ad8bd45eSManish Rangankar ddb_link = le16_to_cpu(fw_ddb_entry->ddb_link); 7018ad8bd45eSManish Rangankar if (ddb_link < max_ddbs) 7019ad8bd45eSManish Rangankar qla4xxx_update_fw_ddb_link(ha, list_st, fw_ddb_entry); 7020ad8bd45eSManish Rangankar 70214a4bc2e9SLalit Chandivade if (!(state == DDB_DS_NO_CONNECTION_ACTIVE || 7022ad8bd45eSManish Rangankar state == DDB_DS_SESSION_FAILED) && 7023ad8bd45eSManish Rangankar (is_reset == INIT_ADAPTER)) 70244a4bc2e9SLalit Chandivade goto continue_next_nt; 70254a4bc2e9SLalit Chandivade 70264a4bc2e9SLalit Chandivade DEBUG2(ql4_printk(KERN_INFO, ha, 70274a4bc2e9SLalit Chandivade "Adding DDB to session = 0x%x\n", idx)); 7028ad8bd45eSManish Rangankar 70294a4bc2e9SLalit Chandivade if (is_reset == INIT_ADAPTER) { 70304a4bc2e9SLalit Chandivade nt_ddb_idx = vmalloc(fw_idx_size); 70314a4bc2e9SLalit Chandivade if (!nt_ddb_idx) 70324a4bc2e9SLalit Chandivade break; 70334a4bc2e9SLalit Chandivade 70344a4bc2e9SLalit Chandivade nt_ddb_idx->fw_ddb_idx = idx; 70354a4bc2e9SLalit Chandivade 70361cb78d73SVikas Chaudhary /* Copy original isid as it may get updated in function 70371cb78d73SVikas Chaudhary * qla4xxx_update_isid(). We need original isid in 70381cb78d73SVikas Chaudhary * function qla4xxx_compare_tuple_ddb to find duplicate 70391cb78d73SVikas Chaudhary * target */ 70401cb78d73SVikas Chaudhary memcpy(&nt_ddb_idx->flash_isid[0], 70411cb78d73SVikas Chaudhary &fw_ddb_entry->isid[0], 70421cb78d73SVikas Chaudhary sizeof(nt_ddb_idx->flash_isid)); 70434a4bc2e9SLalit Chandivade 70441cb78d73SVikas Chaudhary ret = qla4xxx_is_flash_ddb_exists(ha, list_nt, 70451cb78d73SVikas Chaudhary fw_ddb_entry); 70461cb78d73SVikas Chaudhary if (ret == QLA_SUCCESS) { 70471cb78d73SVikas Chaudhary /* free nt_ddb_idx and do not add to list_nt */ 70484a4bc2e9SLalit Chandivade vfree(nt_ddb_idx); 70494a4bc2e9SLalit Chandivade goto continue_next_nt; 70504a4bc2e9SLalit Chandivade } 70511cb78d73SVikas Chaudhary 70521cb78d73SVikas Chaudhary /* Copy updated isid */ 70531cb78d73SVikas Chaudhary memcpy(&nt_ddb_idx->fw_ddb, fw_ddb_entry, 70541cb78d73SVikas Chaudhary sizeof(struct dev_db_entry)); 70551cb78d73SVikas Chaudhary 70564a4bc2e9SLalit Chandivade list_add_tail(&nt_ddb_idx->list, list_nt); 70574a4bc2e9SLalit Chandivade } else if (is_reset == RESET_ADAPTER) { 7058ad8bd45eSManish Rangankar ret = qla4xxx_is_session_exists(ha, fw_ddb_entry, 7059ad8bd45eSManish Rangankar &ddb_idx); 7060ad8bd45eSManish Rangankar if (ret == QLA_SUCCESS) { 7061ad8bd45eSManish Rangankar ddb_entry = qla4xxx_lookup_ddb_by_fw_index(ha, 7062ad8bd45eSManish Rangankar ddb_idx); 7063ad8bd45eSManish Rangankar if (ddb_entry != NULL) 7064ad8bd45eSManish Rangankar qla4xxx_update_sess_disc_idx(ha, 7065ad8bd45eSManish Rangankar ddb_entry, 7066ad8bd45eSManish Rangankar fw_ddb_entry); 70674a4bc2e9SLalit Chandivade goto continue_next_nt; 70684a4bc2e9SLalit Chandivade } 7069ad8bd45eSManish Rangankar } 70704a4bc2e9SLalit Chandivade 70711dc8ed5dSManish Rangankar ret = qla4xxx_sess_conn_setup(ha, fw_ddb_entry, is_reset, idx); 70724a4bc2e9SLalit Chandivade if (ret == QLA_ERROR) 70734a4bc2e9SLalit Chandivade goto exit_nt_list; 70744a4bc2e9SLalit Chandivade 70754a4bc2e9SLalit Chandivade continue_next_nt: 70764a4bc2e9SLalit Chandivade if (next_idx == 0) 70774a4bc2e9SLalit Chandivade break; 70784a4bc2e9SLalit Chandivade } 70794a4bc2e9SLalit Chandivade 70804a4bc2e9SLalit Chandivade exit_nt_list: 70814a4bc2e9SLalit Chandivade if (fw_ddb_entry) 70824a4bc2e9SLalit Chandivade dma_pool_free(ha->fw_ddb_dma_pool, fw_ddb_entry, fw_ddb_dma); 70834a4bc2e9SLalit Chandivade } 70844a4bc2e9SLalit Chandivade 70851e9e2be3SAdheer Chandravanshi static void qla4xxx_build_new_nt_list(struct scsi_qla_host *ha, 7086ad8bd45eSManish Rangankar struct list_head *list_nt, 7087ad8bd45eSManish Rangankar uint16_t target_id) 70881e9e2be3SAdheer Chandravanshi { 70891e9e2be3SAdheer Chandravanshi struct dev_db_entry *fw_ddb_entry; 70901e9e2be3SAdheer Chandravanshi dma_addr_t fw_ddb_dma; 70911e9e2be3SAdheer Chandravanshi int max_ddbs; 70921e9e2be3SAdheer Chandravanshi int fw_idx_size; 70931e9e2be3SAdheer Chandravanshi int ret; 70941e9e2be3SAdheer Chandravanshi uint32_t idx = 0, next_idx = 0; 70951e9e2be3SAdheer Chandravanshi uint32_t state = 0, conn_err = 0; 70961e9e2be3SAdheer Chandravanshi uint16_t conn_id = 0; 70971e9e2be3SAdheer Chandravanshi struct qla_ddb_index *nt_ddb_idx; 70981e9e2be3SAdheer Chandravanshi 70991e9e2be3SAdheer Chandravanshi fw_ddb_entry = dma_pool_alloc(ha->fw_ddb_dma_pool, GFP_KERNEL, 71001e9e2be3SAdheer Chandravanshi &fw_ddb_dma); 71011e9e2be3SAdheer Chandravanshi if (fw_ddb_entry == NULL) { 71021e9e2be3SAdheer Chandravanshi DEBUG2(ql4_printk(KERN_ERR, ha, "Out of memory\n")); 71031e9e2be3SAdheer Chandravanshi goto exit_new_nt_list; 71041e9e2be3SAdheer Chandravanshi } 71051e9e2be3SAdheer Chandravanshi max_ddbs = is_qla40XX(ha) ? MAX_DEV_DB_ENTRIES_40XX : 71061e9e2be3SAdheer Chandravanshi MAX_DEV_DB_ENTRIES; 71071e9e2be3SAdheer Chandravanshi fw_idx_size = sizeof(struct qla_ddb_index); 71081e9e2be3SAdheer Chandravanshi 71091e9e2be3SAdheer Chandravanshi for (idx = 0; idx < max_ddbs; idx = next_idx) { 71101e9e2be3SAdheer Chandravanshi ret = qla4xxx_get_fwddb_entry(ha, idx, fw_ddb_entry, fw_ddb_dma, 71111e9e2be3SAdheer Chandravanshi NULL, &next_idx, &state, 71121e9e2be3SAdheer Chandravanshi &conn_err, NULL, &conn_id); 71131e9e2be3SAdheer Chandravanshi if (ret == QLA_ERROR) 71141e9e2be3SAdheer Chandravanshi break; 71151e9e2be3SAdheer Chandravanshi 71161e9e2be3SAdheer Chandravanshi /* Check if NT, then add it to list */ 71171e9e2be3SAdheer Chandravanshi if (strlen((char *)fw_ddb_entry->iscsi_name) == 0) 71181e9e2be3SAdheer Chandravanshi goto continue_next_new_nt; 71191e9e2be3SAdheer Chandravanshi 71201e9e2be3SAdheer Chandravanshi if (!(state == DDB_DS_NO_CONNECTION_ACTIVE)) 71211e9e2be3SAdheer Chandravanshi goto continue_next_new_nt; 71221e9e2be3SAdheer Chandravanshi 71231e9e2be3SAdheer Chandravanshi DEBUG2(ql4_printk(KERN_INFO, ha, 71241e9e2be3SAdheer Chandravanshi "Adding DDB to session = 0x%x\n", idx)); 71251e9e2be3SAdheer Chandravanshi 71261e9e2be3SAdheer Chandravanshi nt_ddb_idx = vmalloc(fw_idx_size); 71271e9e2be3SAdheer Chandravanshi if (!nt_ddb_idx) 71281e9e2be3SAdheer Chandravanshi break; 71291e9e2be3SAdheer Chandravanshi 71301e9e2be3SAdheer Chandravanshi nt_ddb_idx->fw_ddb_idx = idx; 71311e9e2be3SAdheer Chandravanshi 7132ad8bd45eSManish Rangankar ret = qla4xxx_is_session_exists(ha, fw_ddb_entry, NULL); 71331e9e2be3SAdheer Chandravanshi if (ret == QLA_SUCCESS) { 71341e9e2be3SAdheer Chandravanshi /* free nt_ddb_idx and do not add to list_nt */ 71351e9e2be3SAdheer Chandravanshi vfree(nt_ddb_idx); 71361e9e2be3SAdheer Chandravanshi goto continue_next_new_nt; 71371e9e2be3SAdheer Chandravanshi } 71381e9e2be3SAdheer Chandravanshi 7139ad8bd45eSManish Rangankar if (target_id < max_ddbs) 7140ad8bd45eSManish Rangankar fw_ddb_entry->ddb_link = cpu_to_le16(target_id); 7141ad8bd45eSManish Rangankar 71421e9e2be3SAdheer Chandravanshi list_add_tail(&nt_ddb_idx->list, list_nt); 71431e9e2be3SAdheer Chandravanshi 71441e9e2be3SAdheer Chandravanshi ret = qla4xxx_sess_conn_setup(ha, fw_ddb_entry, RESET_ADAPTER, 71451e9e2be3SAdheer Chandravanshi idx); 71461e9e2be3SAdheer Chandravanshi if (ret == QLA_ERROR) 71471e9e2be3SAdheer Chandravanshi goto exit_new_nt_list; 71481e9e2be3SAdheer Chandravanshi 71491e9e2be3SAdheer Chandravanshi continue_next_new_nt: 71501e9e2be3SAdheer Chandravanshi if (next_idx == 0) 71511e9e2be3SAdheer Chandravanshi break; 71521e9e2be3SAdheer Chandravanshi } 71531e9e2be3SAdheer Chandravanshi 71541e9e2be3SAdheer Chandravanshi exit_new_nt_list: 71551e9e2be3SAdheer Chandravanshi if (fw_ddb_entry) 71561e9e2be3SAdheer Chandravanshi dma_pool_free(ha->fw_ddb_dma_pool, fw_ddb_entry, fw_ddb_dma); 71571e9e2be3SAdheer Chandravanshi } 71581e9e2be3SAdheer Chandravanshi 71591e9e2be3SAdheer Chandravanshi /** 71601e9e2be3SAdheer Chandravanshi * qla4xxx_sysfs_ddb_is_non_persistent - check for non-persistence of ddb entry 71611e9e2be3SAdheer Chandravanshi * @dev: dev associated with the sysfs entry 71621e9e2be3SAdheer Chandravanshi * @data: pointer to flashnode session object 71631e9e2be3SAdheer Chandravanshi * 71641e9e2be3SAdheer Chandravanshi * Returns: 71651e9e2be3SAdheer Chandravanshi * 1: if flashnode entry is non-persistent 71661e9e2be3SAdheer Chandravanshi * 0: if flashnode entry is persistent 71671e9e2be3SAdheer Chandravanshi **/ 71681e9e2be3SAdheer Chandravanshi static int qla4xxx_sysfs_ddb_is_non_persistent(struct device *dev, void *data) 71691e9e2be3SAdheer Chandravanshi { 71701e9e2be3SAdheer Chandravanshi struct iscsi_bus_flash_session *fnode_sess; 71711e9e2be3SAdheer Chandravanshi 71721e9e2be3SAdheer Chandravanshi if (!iscsi_flashnode_bus_match(dev, NULL)) 71731e9e2be3SAdheer Chandravanshi return 0; 71741e9e2be3SAdheer Chandravanshi 71751e9e2be3SAdheer Chandravanshi fnode_sess = iscsi_dev_to_flash_session(dev); 71761e9e2be3SAdheer Chandravanshi 71771e9e2be3SAdheer Chandravanshi return (fnode_sess->flash_state == DEV_DB_NON_PERSISTENT); 71781e9e2be3SAdheer Chandravanshi } 71791e9e2be3SAdheer Chandravanshi 71801e9e2be3SAdheer Chandravanshi /** 71811e9e2be3SAdheer Chandravanshi * qla4xxx_sysfs_ddb_tgt_create - Create sysfs entry for target 71821e9e2be3SAdheer Chandravanshi * @ha: pointer to host 71831e9e2be3SAdheer Chandravanshi * @fw_ddb_entry: flash ddb data 71841e9e2be3SAdheer Chandravanshi * @idx: target index 71851e9e2be3SAdheer Chandravanshi * @user: if set then this call is made from userland else from kernel 71861e9e2be3SAdheer Chandravanshi * 71871e9e2be3SAdheer Chandravanshi * Returns: 71881e9e2be3SAdheer Chandravanshi * On sucess: QLA_SUCCESS 71891e9e2be3SAdheer Chandravanshi * On failure: QLA_ERROR 71901e9e2be3SAdheer Chandravanshi * 71911e9e2be3SAdheer Chandravanshi * This create separate sysfs entries for session and connection attributes of 71921e9e2be3SAdheer Chandravanshi * the given fw ddb entry. 71931e9e2be3SAdheer Chandravanshi * If this is invoked as a result of a userspace call then the entry is marked 71941e9e2be3SAdheer Chandravanshi * as nonpersistent using flash_state field. 71951e9e2be3SAdheer Chandravanshi **/ 719628e02f1aSVikas Chaudhary static int qla4xxx_sysfs_ddb_tgt_create(struct scsi_qla_host *ha, 71971e9e2be3SAdheer Chandravanshi struct dev_db_entry *fw_ddb_entry, 71981e9e2be3SAdheer Chandravanshi uint16_t *idx, int user) 71991e9e2be3SAdheer Chandravanshi { 72001e9e2be3SAdheer Chandravanshi struct iscsi_bus_flash_session *fnode_sess = NULL; 72011e9e2be3SAdheer Chandravanshi struct iscsi_bus_flash_conn *fnode_conn = NULL; 72021e9e2be3SAdheer Chandravanshi int rc = QLA_ERROR; 72031e9e2be3SAdheer Chandravanshi 72041e9e2be3SAdheer Chandravanshi fnode_sess = iscsi_create_flashnode_sess(ha->host, *idx, 72051e9e2be3SAdheer Chandravanshi &qla4xxx_iscsi_transport, 0); 72061e9e2be3SAdheer Chandravanshi if (!fnode_sess) { 72071e9e2be3SAdheer Chandravanshi ql4_printk(KERN_ERR, ha, 72081e9e2be3SAdheer Chandravanshi "%s: Unable to create session sysfs entry for flashnode %d of host%lu\n", 72091e9e2be3SAdheer Chandravanshi __func__, *idx, ha->host_no); 72101e9e2be3SAdheer Chandravanshi goto exit_tgt_create; 72111e9e2be3SAdheer Chandravanshi } 72121e9e2be3SAdheer Chandravanshi 72131e9e2be3SAdheer Chandravanshi fnode_conn = iscsi_create_flashnode_conn(ha->host, fnode_sess, 72141e9e2be3SAdheer Chandravanshi &qla4xxx_iscsi_transport, 0); 72151e9e2be3SAdheer Chandravanshi if (!fnode_conn) { 72161e9e2be3SAdheer Chandravanshi ql4_printk(KERN_ERR, ha, 72171e9e2be3SAdheer Chandravanshi "%s: Unable to create conn sysfs entry for flashnode %d of host%lu\n", 72181e9e2be3SAdheer Chandravanshi __func__, *idx, ha->host_no); 72191e9e2be3SAdheer Chandravanshi goto free_sess; 72201e9e2be3SAdheer Chandravanshi } 72211e9e2be3SAdheer Chandravanshi 72221e9e2be3SAdheer Chandravanshi if (user) { 72231e9e2be3SAdheer Chandravanshi fnode_sess->flash_state = DEV_DB_NON_PERSISTENT; 72241e9e2be3SAdheer Chandravanshi } else { 72251e9e2be3SAdheer Chandravanshi fnode_sess->flash_state = DEV_DB_PERSISTENT; 72261e9e2be3SAdheer Chandravanshi 72271e9e2be3SAdheer Chandravanshi if (*idx == ha->pri_ddb_idx || *idx == ha->sec_ddb_idx) 72281e9e2be3SAdheer Chandravanshi fnode_sess->is_boot_target = 1; 72291e9e2be3SAdheer Chandravanshi else 72301e9e2be3SAdheer Chandravanshi fnode_sess->is_boot_target = 0; 72311e9e2be3SAdheer Chandravanshi } 72321e9e2be3SAdheer Chandravanshi 72331e9e2be3SAdheer Chandravanshi rc = qla4xxx_copy_from_fwddb_param(fnode_sess, fnode_conn, 72341e9e2be3SAdheer Chandravanshi fw_ddb_entry); 723572b4a046SYueHaibing if (rc) 723672b4a046SYueHaibing goto free_sess; 72371e9e2be3SAdheer Chandravanshi 72381e9e2be3SAdheer Chandravanshi ql4_printk(KERN_INFO, ha, "%s: sysfs entry %s created\n", 72391e9e2be3SAdheer Chandravanshi __func__, fnode_sess->dev.kobj.name); 72401e9e2be3SAdheer Chandravanshi 72411e9e2be3SAdheer Chandravanshi ql4_printk(KERN_INFO, ha, "%s: sysfs entry %s created\n", 72421e9e2be3SAdheer Chandravanshi __func__, fnode_conn->dev.kobj.name); 72431e9e2be3SAdheer Chandravanshi 72441e9e2be3SAdheer Chandravanshi return QLA_SUCCESS; 72451e9e2be3SAdheer Chandravanshi 72461e9e2be3SAdheer Chandravanshi free_sess: 72471e9e2be3SAdheer Chandravanshi iscsi_destroy_flashnode_sess(fnode_sess); 72481e9e2be3SAdheer Chandravanshi 72491e9e2be3SAdheer Chandravanshi exit_tgt_create: 72501e9e2be3SAdheer Chandravanshi return QLA_ERROR; 72511e9e2be3SAdheer Chandravanshi } 72521e9e2be3SAdheer Chandravanshi 72531e9e2be3SAdheer Chandravanshi /** 72541e9e2be3SAdheer Chandravanshi * qla4xxx_sysfs_ddb_add - Add new ddb entry in flash 72551e9e2be3SAdheer Chandravanshi * @shost: pointer to host 72561e9e2be3SAdheer Chandravanshi * @buf: type of ddb entry (ipv4/ipv6) 72571e9e2be3SAdheer Chandravanshi * @len: length of buf 72581e9e2be3SAdheer Chandravanshi * 72591e9e2be3SAdheer Chandravanshi * This creates new ddb entry in the flash by finding first free index and 72601e9e2be3SAdheer Chandravanshi * storing default ddb there. And then create sysfs entry for the new ddb entry. 72611e9e2be3SAdheer Chandravanshi **/ 72621e9e2be3SAdheer Chandravanshi static int qla4xxx_sysfs_ddb_add(struct Scsi_Host *shost, const char *buf, 72631e9e2be3SAdheer Chandravanshi int len) 72641e9e2be3SAdheer Chandravanshi { 72651e9e2be3SAdheer Chandravanshi struct scsi_qla_host *ha = to_qla_host(shost); 72661e9e2be3SAdheer Chandravanshi struct dev_db_entry *fw_ddb_entry = NULL; 72671e9e2be3SAdheer Chandravanshi dma_addr_t fw_ddb_entry_dma; 72681e9e2be3SAdheer Chandravanshi struct device *dev; 72691e9e2be3SAdheer Chandravanshi uint16_t idx = 0; 72701e9e2be3SAdheer Chandravanshi uint16_t max_ddbs = 0; 72711e9e2be3SAdheer Chandravanshi uint32_t options = 0; 72721e9e2be3SAdheer Chandravanshi uint32_t rval = QLA_ERROR; 72731e9e2be3SAdheer Chandravanshi 7274c962c18bSAdheer Chandravanshi if (strncasecmp(PORTAL_TYPE_IPV4, buf, 4) && 7275c962c18bSAdheer Chandravanshi strncasecmp(PORTAL_TYPE_IPV6, buf, 4)) { 72761e9e2be3SAdheer Chandravanshi DEBUG2(ql4_printk(KERN_ERR, ha, "%s: Invalid portal type\n", 72771e9e2be3SAdheer Chandravanshi __func__)); 72781e9e2be3SAdheer Chandravanshi goto exit_ddb_add; 72791e9e2be3SAdheer Chandravanshi } 72801e9e2be3SAdheer Chandravanshi 7281a957a7d7SAdheer Chandravanshi max_ddbs = is_qla40XX(ha) ? MAX_PRST_DEV_DB_ENTRIES : 72821e9e2be3SAdheer Chandravanshi MAX_DEV_DB_ENTRIES; 72831e9e2be3SAdheer Chandravanshi 72841e9e2be3SAdheer Chandravanshi fw_ddb_entry = dma_alloc_coherent(&ha->pdev->dev, sizeof(*fw_ddb_entry), 72851e9e2be3SAdheer Chandravanshi &fw_ddb_entry_dma, GFP_KERNEL); 72861e9e2be3SAdheer Chandravanshi if (!fw_ddb_entry) { 72871e9e2be3SAdheer Chandravanshi DEBUG2(ql4_printk(KERN_ERR, ha, 72881e9e2be3SAdheer Chandravanshi "%s: Unable to allocate dma buffer\n", 72891e9e2be3SAdheer Chandravanshi __func__)); 72901e9e2be3SAdheer Chandravanshi goto exit_ddb_add; 72911e9e2be3SAdheer Chandravanshi } 72921e9e2be3SAdheer Chandravanshi 72931e9e2be3SAdheer Chandravanshi dev = iscsi_find_flashnode_sess(ha->host, NULL, 72941e9e2be3SAdheer Chandravanshi qla4xxx_sysfs_ddb_is_non_persistent); 72951e9e2be3SAdheer Chandravanshi if (dev) { 72961e9e2be3SAdheer Chandravanshi ql4_printk(KERN_ERR, ha, 72971e9e2be3SAdheer Chandravanshi "%s: A non-persistent entry %s found\n", 72981e9e2be3SAdheer Chandravanshi __func__, dev->kobj.name); 72998526cb11SMike Christie put_device(dev); 73001e9e2be3SAdheer Chandravanshi goto exit_ddb_add; 73011e9e2be3SAdheer Chandravanshi } 73021e9e2be3SAdheer Chandravanshi 730399937574SAdheer Chandravanshi /* Index 0 and 1 are reserved for boot target entries */ 730499937574SAdheer Chandravanshi for (idx = 2; idx < max_ddbs; idx++) { 73051e9e2be3SAdheer Chandravanshi if (qla4xxx_flashdb_by_index(ha, fw_ddb_entry, 73061e9e2be3SAdheer Chandravanshi fw_ddb_entry_dma, idx)) 73071e9e2be3SAdheer Chandravanshi break; 73081e9e2be3SAdheer Chandravanshi } 73091e9e2be3SAdheer Chandravanshi 73101e9e2be3SAdheer Chandravanshi if (idx == max_ddbs) 73111e9e2be3SAdheer Chandravanshi goto exit_ddb_add; 73121e9e2be3SAdheer Chandravanshi 73131e9e2be3SAdheer Chandravanshi if (!strncasecmp("ipv6", buf, 4)) 73141e9e2be3SAdheer Chandravanshi options |= IPV6_DEFAULT_DDB_ENTRY; 73151e9e2be3SAdheer Chandravanshi 73161e9e2be3SAdheer Chandravanshi rval = qla4xxx_get_default_ddb(ha, options, fw_ddb_entry_dma); 73171e9e2be3SAdheer Chandravanshi if (rval == QLA_ERROR) 73181e9e2be3SAdheer Chandravanshi goto exit_ddb_add; 73191e9e2be3SAdheer Chandravanshi 73201e9e2be3SAdheer Chandravanshi rval = qla4xxx_sysfs_ddb_tgt_create(ha, fw_ddb_entry, &idx, 1); 73211e9e2be3SAdheer Chandravanshi 73221e9e2be3SAdheer Chandravanshi exit_ddb_add: 73231e9e2be3SAdheer Chandravanshi if (fw_ddb_entry) 73241e9e2be3SAdheer Chandravanshi dma_free_coherent(&ha->pdev->dev, sizeof(*fw_ddb_entry), 73251e9e2be3SAdheer Chandravanshi fw_ddb_entry, fw_ddb_entry_dma); 73261e9e2be3SAdheer Chandravanshi if (rval == QLA_SUCCESS) 73271e9e2be3SAdheer Chandravanshi return idx; 73281e9e2be3SAdheer Chandravanshi else 73291e9e2be3SAdheer Chandravanshi return -EIO; 73301e9e2be3SAdheer Chandravanshi } 73311e9e2be3SAdheer Chandravanshi 73321e9e2be3SAdheer Chandravanshi /** 73331e9e2be3SAdheer Chandravanshi * qla4xxx_sysfs_ddb_apply - write the target ddb contents to Flash 73341e9e2be3SAdheer Chandravanshi * @fnode_sess: pointer to session attrs of flash ddb entry 73351e9e2be3SAdheer Chandravanshi * @fnode_conn: pointer to connection attrs of flash ddb entry 73361e9e2be3SAdheer Chandravanshi * 73371e9e2be3SAdheer Chandravanshi * This writes the contents of target ddb buffer to Flash with a valid cookie 73381e9e2be3SAdheer Chandravanshi * value in order to make the ddb entry persistent. 73391e9e2be3SAdheer Chandravanshi **/ 73401e9e2be3SAdheer Chandravanshi static int qla4xxx_sysfs_ddb_apply(struct iscsi_bus_flash_session *fnode_sess, 73411e9e2be3SAdheer Chandravanshi struct iscsi_bus_flash_conn *fnode_conn) 73421e9e2be3SAdheer Chandravanshi { 73431e9e2be3SAdheer Chandravanshi struct Scsi_Host *shost = iscsi_flash_session_to_shost(fnode_sess); 73441e9e2be3SAdheer Chandravanshi struct scsi_qla_host *ha = to_qla_host(shost); 73451e9e2be3SAdheer Chandravanshi uint32_t dev_db_start_offset = FLASH_OFFSET_DB_INFO; 73461e9e2be3SAdheer Chandravanshi struct dev_db_entry *fw_ddb_entry = NULL; 73471e9e2be3SAdheer Chandravanshi dma_addr_t fw_ddb_entry_dma; 73481e9e2be3SAdheer Chandravanshi uint32_t options = 0; 73491e9e2be3SAdheer Chandravanshi int rval = 0; 73501e9e2be3SAdheer Chandravanshi 73511e9e2be3SAdheer Chandravanshi fw_ddb_entry = dma_alloc_coherent(&ha->pdev->dev, sizeof(*fw_ddb_entry), 73521e9e2be3SAdheer Chandravanshi &fw_ddb_entry_dma, GFP_KERNEL); 73531e9e2be3SAdheer Chandravanshi if (!fw_ddb_entry) { 73541e9e2be3SAdheer Chandravanshi DEBUG2(ql4_printk(KERN_ERR, ha, 73551e9e2be3SAdheer Chandravanshi "%s: Unable to allocate dma buffer\n", 73561e9e2be3SAdheer Chandravanshi __func__)); 73571e9e2be3SAdheer Chandravanshi rval = -ENOMEM; 73581e9e2be3SAdheer Chandravanshi goto exit_ddb_apply; 73591e9e2be3SAdheer Chandravanshi } 73601e9e2be3SAdheer Chandravanshi 7361c962c18bSAdheer Chandravanshi if (!strncasecmp(fnode_sess->portal_type, PORTAL_TYPE_IPV6, 4)) 73621e9e2be3SAdheer Chandravanshi options |= IPV6_DEFAULT_DDB_ENTRY; 73631e9e2be3SAdheer Chandravanshi 73641e9e2be3SAdheer Chandravanshi rval = qla4xxx_get_default_ddb(ha, options, fw_ddb_entry_dma); 73651e9e2be3SAdheer Chandravanshi if (rval == QLA_ERROR) 73661e9e2be3SAdheer Chandravanshi goto exit_ddb_apply; 73671e9e2be3SAdheer Chandravanshi 73681e9e2be3SAdheer Chandravanshi dev_db_start_offset += (fnode_sess->target_id * 73691e9e2be3SAdheer Chandravanshi sizeof(*fw_ddb_entry)); 73701e9e2be3SAdheer Chandravanshi 73711e9e2be3SAdheer Chandravanshi qla4xxx_copy_to_fwddb_param(fnode_sess, fnode_conn, fw_ddb_entry); 73721e9e2be3SAdheer Chandravanshi fw_ddb_entry->cookie = DDB_VALID_COOKIE; 73731e9e2be3SAdheer Chandravanshi 73741e9e2be3SAdheer Chandravanshi rval = qla4xxx_set_flash(ha, fw_ddb_entry_dma, dev_db_start_offset, 73751e9e2be3SAdheer Chandravanshi sizeof(*fw_ddb_entry), FLASH_OPT_RMW_COMMIT); 73761e9e2be3SAdheer Chandravanshi 73771e9e2be3SAdheer Chandravanshi if (rval == QLA_SUCCESS) { 73781e9e2be3SAdheer Chandravanshi fnode_sess->flash_state = DEV_DB_PERSISTENT; 73791e9e2be3SAdheer Chandravanshi ql4_printk(KERN_INFO, ha, 73801e9e2be3SAdheer Chandravanshi "%s: flash node %u of host %lu written to flash\n", 73811e9e2be3SAdheer Chandravanshi __func__, fnode_sess->target_id, ha->host_no); 73821e9e2be3SAdheer Chandravanshi } else { 73831e9e2be3SAdheer Chandravanshi rval = -EIO; 73841e9e2be3SAdheer Chandravanshi ql4_printk(KERN_ERR, ha, 73851e9e2be3SAdheer Chandravanshi "%s: Error while writing flash node %u of host %lu to flash\n", 73861e9e2be3SAdheer Chandravanshi __func__, fnode_sess->target_id, ha->host_no); 73871e9e2be3SAdheer Chandravanshi } 73881e9e2be3SAdheer Chandravanshi 73891e9e2be3SAdheer Chandravanshi exit_ddb_apply: 73901e9e2be3SAdheer Chandravanshi if (fw_ddb_entry) 73911e9e2be3SAdheer Chandravanshi dma_free_coherent(&ha->pdev->dev, sizeof(*fw_ddb_entry), 73921e9e2be3SAdheer Chandravanshi fw_ddb_entry, fw_ddb_entry_dma); 73931e9e2be3SAdheer Chandravanshi return rval; 73941e9e2be3SAdheer Chandravanshi } 73951e9e2be3SAdheer Chandravanshi 73961e9e2be3SAdheer Chandravanshi static ssize_t qla4xxx_sysfs_ddb_conn_open(struct scsi_qla_host *ha, 73971e9e2be3SAdheer Chandravanshi struct dev_db_entry *fw_ddb_entry, 73981e9e2be3SAdheer Chandravanshi uint16_t idx) 73991e9e2be3SAdheer Chandravanshi { 74001e9e2be3SAdheer Chandravanshi struct dev_db_entry *ddb_entry = NULL; 74011e9e2be3SAdheer Chandravanshi dma_addr_t ddb_entry_dma; 74021e9e2be3SAdheer Chandravanshi unsigned long wtime; 74031e9e2be3SAdheer Chandravanshi uint32_t mbx_sts = 0; 74041e9e2be3SAdheer Chandravanshi uint32_t state = 0, conn_err = 0; 74051e9e2be3SAdheer Chandravanshi uint16_t tmo = 0; 74061e9e2be3SAdheer Chandravanshi int ret = 0; 74071e9e2be3SAdheer Chandravanshi 74081e9e2be3SAdheer Chandravanshi ddb_entry = dma_alloc_coherent(&ha->pdev->dev, sizeof(*ddb_entry), 74091e9e2be3SAdheer Chandravanshi &ddb_entry_dma, GFP_KERNEL); 74101e9e2be3SAdheer Chandravanshi if (!ddb_entry) { 74111e9e2be3SAdheer Chandravanshi DEBUG2(ql4_printk(KERN_ERR, ha, 74121e9e2be3SAdheer Chandravanshi "%s: Unable to allocate dma buffer\n", 74131e9e2be3SAdheer Chandravanshi __func__)); 74141e9e2be3SAdheer Chandravanshi return QLA_ERROR; 74151e9e2be3SAdheer Chandravanshi } 74161e9e2be3SAdheer Chandravanshi 74171e9e2be3SAdheer Chandravanshi memcpy(ddb_entry, fw_ddb_entry, sizeof(*ddb_entry)); 74181e9e2be3SAdheer Chandravanshi 74191e9e2be3SAdheer Chandravanshi ret = qla4xxx_set_ddb_entry(ha, idx, ddb_entry_dma, &mbx_sts); 74201e9e2be3SAdheer Chandravanshi if (ret != QLA_SUCCESS) { 74211e9e2be3SAdheer Chandravanshi DEBUG2(ql4_printk(KERN_ERR, ha, 74221e9e2be3SAdheer Chandravanshi "%s: Unable to set ddb entry for index %d\n", 74231e9e2be3SAdheer Chandravanshi __func__, idx)); 74241e9e2be3SAdheer Chandravanshi goto exit_ddb_conn_open; 74251e9e2be3SAdheer Chandravanshi } 74261e9e2be3SAdheer Chandravanshi 74271e9e2be3SAdheer Chandravanshi qla4xxx_conn_open(ha, idx); 74281e9e2be3SAdheer Chandravanshi 74291e9e2be3SAdheer Chandravanshi /* To ensure that sendtargets is done, wait for at least 12 secs */ 74301e9e2be3SAdheer Chandravanshi tmo = ((ha->def_timeout > LOGIN_TOV) && 74311e9e2be3SAdheer Chandravanshi (ha->def_timeout < LOGIN_TOV * 10) ? 74321e9e2be3SAdheer Chandravanshi ha->def_timeout : LOGIN_TOV); 74331e9e2be3SAdheer Chandravanshi 74341e9e2be3SAdheer Chandravanshi DEBUG2(ql4_printk(KERN_INFO, ha, 74351e9e2be3SAdheer Chandravanshi "Default time to wait for login to ddb %d\n", tmo)); 74361e9e2be3SAdheer Chandravanshi 74371e9e2be3SAdheer Chandravanshi wtime = jiffies + (HZ * tmo); 74381e9e2be3SAdheer Chandravanshi do { 74391e9e2be3SAdheer Chandravanshi ret = qla4xxx_get_fwddb_entry(ha, idx, NULL, 0, NULL, 74401e9e2be3SAdheer Chandravanshi NULL, &state, &conn_err, NULL, 74411e9e2be3SAdheer Chandravanshi NULL); 74421e9e2be3SAdheer Chandravanshi if (ret == QLA_ERROR) 74431e9e2be3SAdheer Chandravanshi continue; 74441e9e2be3SAdheer Chandravanshi 74451e9e2be3SAdheer Chandravanshi if (state == DDB_DS_NO_CONNECTION_ACTIVE || 74461e9e2be3SAdheer Chandravanshi state == DDB_DS_SESSION_FAILED) 74471e9e2be3SAdheer Chandravanshi break; 74481e9e2be3SAdheer Chandravanshi 74491e9e2be3SAdheer Chandravanshi schedule_timeout_uninterruptible(HZ / 10); 74501e9e2be3SAdheer Chandravanshi } while (time_after(wtime, jiffies)); 74511e9e2be3SAdheer Chandravanshi 74521e9e2be3SAdheer Chandravanshi exit_ddb_conn_open: 74531e9e2be3SAdheer Chandravanshi if (ddb_entry) 74541e9e2be3SAdheer Chandravanshi dma_free_coherent(&ha->pdev->dev, sizeof(*ddb_entry), 74551e9e2be3SAdheer Chandravanshi ddb_entry, ddb_entry_dma); 74561e9e2be3SAdheer Chandravanshi return ret; 74571e9e2be3SAdheer Chandravanshi } 74581e9e2be3SAdheer Chandravanshi 74591e9e2be3SAdheer Chandravanshi static int qla4xxx_ddb_login_st(struct scsi_qla_host *ha, 7460ad8bd45eSManish Rangankar struct dev_db_entry *fw_ddb_entry, 7461ad8bd45eSManish Rangankar uint16_t target_id) 74621e9e2be3SAdheer Chandravanshi { 74631e9e2be3SAdheer Chandravanshi struct qla_ddb_index *ddb_idx, *ddb_idx_tmp; 74641e9e2be3SAdheer Chandravanshi struct list_head list_nt; 74651e9e2be3SAdheer Chandravanshi uint16_t ddb_index; 74661e9e2be3SAdheer Chandravanshi int ret = 0; 74671e9e2be3SAdheer Chandravanshi 74681e9e2be3SAdheer Chandravanshi if (test_bit(AF_ST_DISCOVERY_IN_PROGRESS, &ha->flags)) { 74691e9e2be3SAdheer Chandravanshi ql4_printk(KERN_WARNING, ha, 74701e9e2be3SAdheer Chandravanshi "%s: A discovery already in progress!\n", __func__); 74711e9e2be3SAdheer Chandravanshi return QLA_ERROR; 74721e9e2be3SAdheer Chandravanshi } 74731e9e2be3SAdheer Chandravanshi 74741e9e2be3SAdheer Chandravanshi INIT_LIST_HEAD(&list_nt); 74751e9e2be3SAdheer Chandravanshi 74761e9e2be3SAdheer Chandravanshi set_bit(AF_ST_DISCOVERY_IN_PROGRESS, &ha->flags); 74771e9e2be3SAdheer Chandravanshi 74781e9e2be3SAdheer Chandravanshi ret = qla4xxx_get_ddb_index(ha, &ddb_index); 74791e9e2be3SAdheer Chandravanshi if (ret == QLA_ERROR) 74801e9e2be3SAdheer Chandravanshi goto exit_login_st_clr_bit; 74811e9e2be3SAdheer Chandravanshi 74821e9e2be3SAdheer Chandravanshi ret = qla4xxx_sysfs_ddb_conn_open(ha, fw_ddb_entry, ddb_index); 74831e9e2be3SAdheer Chandravanshi if (ret == QLA_ERROR) 74841e9e2be3SAdheer Chandravanshi goto exit_login_st; 74851e9e2be3SAdheer Chandravanshi 7486ad8bd45eSManish Rangankar qla4xxx_build_new_nt_list(ha, &list_nt, target_id); 74871e9e2be3SAdheer Chandravanshi 74881e9e2be3SAdheer Chandravanshi list_for_each_entry_safe(ddb_idx, ddb_idx_tmp, &list_nt, list) { 74891e9e2be3SAdheer Chandravanshi list_del_init(&ddb_idx->list); 74901e9e2be3SAdheer Chandravanshi qla4xxx_clear_ddb_entry(ha, ddb_idx->fw_ddb_idx); 74911e9e2be3SAdheer Chandravanshi vfree(ddb_idx); 74921e9e2be3SAdheer Chandravanshi } 74931e9e2be3SAdheer Chandravanshi 74941e9e2be3SAdheer Chandravanshi exit_login_st: 74951e9e2be3SAdheer Chandravanshi if (qla4xxx_clear_ddb_entry(ha, ddb_index) == QLA_ERROR) { 74961e9e2be3SAdheer Chandravanshi ql4_printk(KERN_ERR, ha, 74971e9e2be3SAdheer Chandravanshi "Unable to clear DDB index = 0x%x\n", ddb_index); 74981e9e2be3SAdheer Chandravanshi } 74991e9e2be3SAdheer Chandravanshi 75001e9e2be3SAdheer Chandravanshi clear_bit(ddb_index, ha->ddb_idx_map); 75011e9e2be3SAdheer Chandravanshi 75021e9e2be3SAdheer Chandravanshi exit_login_st_clr_bit: 75031e9e2be3SAdheer Chandravanshi clear_bit(AF_ST_DISCOVERY_IN_PROGRESS, &ha->flags); 75041e9e2be3SAdheer Chandravanshi return ret; 75051e9e2be3SAdheer Chandravanshi } 75061e9e2be3SAdheer Chandravanshi 75071e9e2be3SAdheer Chandravanshi static int qla4xxx_ddb_login_nt(struct scsi_qla_host *ha, 75081e9e2be3SAdheer Chandravanshi struct dev_db_entry *fw_ddb_entry, 75091e9e2be3SAdheer Chandravanshi uint16_t idx) 75101e9e2be3SAdheer Chandravanshi { 75111e9e2be3SAdheer Chandravanshi int ret = QLA_ERROR; 75121e9e2be3SAdheer Chandravanshi 7513ad8bd45eSManish Rangankar ret = qla4xxx_is_session_exists(ha, fw_ddb_entry, NULL); 75141e9e2be3SAdheer Chandravanshi if (ret != QLA_SUCCESS) 75151e9e2be3SAdheer Chandravanshi ret = qla4xxx_sess_conn_setup(ha, fw_ddb_entry, RESET_ADAPTER, 75161e9e2be3SAdheer Chandravanshi idx); 75171e9e2be3SAdheer Chandravanshi else 75181e9e2be3SAdheer Chandravanshi ret = -EPERM; 75191e9e2be3SAdheer Chandravanshi 75201e9e2be3SAdheer Chandravanshi return ret; 75211e9e2be3SAdheer Chandravanshi } 75221e9e2be3SAdheer Chandravanshi 75231e9e2be3SAdheer Chandravanshi /** 75241e9e2be3SAdheer Chandravanshi * qla4xxx_sysfs_ddb_login - Login to the specified target 75251e9e2be3SAdheer Chandravanshi * @fnode_sess: pointer to session attrs of flash ddb entry 75261e9e2be3SAdheer Chandravanshi * @fnode_conn: pointer to connection attrs of flash ddb entry 75271e9e2be3SAdheer Chandravanshi * 75281e9e2be3SAdheer Chandravanshi * This logs in to the specified target 75291e9e2be3SAdheer Chandravanshi **/ 75301e9e2be3SAdheer Chandravanshi static int qla4xxx_sysfs_ddb_login(struct iscsi_bus_flash_session *fnode_sess, 75311e9e2be3SAdheer Chandravanshi struct iscsi_bus_flash_conn *fnode_conn) 75321e9e2be3SAdheer Chandravanshi { 75331e9e2be3SAdheer Chandravanshi struct Scsi_Host *shost = iscsi_flash_session_to_shost(fnode_sess); 75341e9e2be3SAdheer Chandravanshi struct scsi_qla_host *ha = to_qla_host(shost); 75351e9e2be3SAdheer Chandravanshi struct dev_db_entry *fw_ddb_entry = NULL; 75361e9e2be3SAdheer Chandravanshi dma_addr_t fw_ddb_entry_dma; 75371e9e2be3SAdheer Chandravanshi uint32_t options = 0; 75381e9e2be3SAdheer Chandravanshi int ret = 0; 75391e9e2be3SAdheer Chandravanshi 75401e9e2be3SAdheer Chandravanshi if (fnode_sess->flash_state == DEV_DB_NON_PERSISTENT) { 75411e9e2be3SAdheer Chandravanshi ql4_printk(KERN_ERR, ha, 75421e9e2be3SAdheer Chandravanshi "%s: Target info is not persistent\n", __func__); 75431e9e2be3SAdheer Chandravanshi ret = -EIO; 75441e9e2be3SAdheer Chandravanshi goto exit_ddb_login; 75451e9e2be3SAdheer Chandravanshi } 75461e9e2be3SAdheer Chandravanshi 75471e9e2be3SAdheer Chandravanshi fw_ddb_entry = dma_alloc_coherent(&ha->pdev->dev, sizeof(*fw_ddb_entry), 75481e9e2be3SAdheer Chandravanshi &fw_ddb_entry_dma, GFP_KERNEL); 75491e9e2be3SAdheer Chandravanshi if (!fw_ddb_entry) { 75501e9e2be3SAdheer Chandravanshi DEBUG2(ql4_printk(KERN_ERR, ha, 75511e9e2be3SAdheer Chandravanshi "%s: Unable to allocate dma buffer\n", 75521e9e2be3SAdheer Chandravanshi __func__)); 75531e9e2be3SAdheer Chandravanshi ret = -ENOMEM; 75541e9e2be3SAdheer Chandravanshi goto exit_ddb_login; 75551e9e2be3SAdheer Chandravanshi } 75561e9e2be3SAdheer Chandravanshi 7557c962c18bSAdheer Chandravanshi if (!strncasecmp(fnode_sess->portal_type, PORTAL_TYPE_IPV6, 4)) 75581e9e2be3SAdheer Chandravanshi options |= IPV6_DEFAULT_DDB_ENTRY; 75591e9e2be3SAdheer Chandravanshi 75601e9e2be3SAdheer Chandravanshi ret = qla4xxx_get_default_ddb(ha, options, fw_ddb_entry_dma); 75611e9e2be3SAdheer Chandravanshi if (ret == QLA_ERROR) 75621e9e2be3SAdheer Chandravanshi goto exit_ddb_login; 75631e9e2be3SAdheer Chandravanshi 75641e9e2be3SAdheer Chandravanshi qla4xxx_copy_to_fwddb_param(fnode_sess, fnode_conn, fw_ddb_entry); 75651e9e2be3SAdheer Chandravanshi fw_ddb_entry->cookie = DDB_VALID_COOKIE; 75661e9e2be3SAdheer Chandravanshi 75671e9e2be3SAdheer Chandravanshi if (strlen((char *)fw_ddb_entry->iscsi_name) == 0) 7568ad8bd45eSManish Rangankar ret = qla4xxx_ddb_login_st(ha, fw_ddb_entry, 7569ad8bd45eSManish Rangankar fnode_sess->target_id); 75701e9e2be3SAdheer Chandravanshi else 75711e9e2be3SAdheer Chandravanshi ret = qla4xxx_ddb_login_nt(ha, fw_ddb_entry, 75721e9e2be3SAdheer Chandravanshi fnode_sess->target_id); 75731e9e2be3SAdheer Chandravanshi 75741e9e2be3SAdheer Chandravanshi if (ret > 0) 75751e9e2be3SAdheer Chandravanshi ret = -EIO; 75761e9e2be3SAdheer Chandravanshi 75771e9e2be3SAdheer Chandravanshi exit_ddb_login: 75781e9e2be3SAdheer Chandravanshi if (fw_ddb_entry) 75791e9e2be3SAdheer Chandravanshi dma_free_coherent(&ha->pdev->dev, sizeof(*fw_ddb_entry), 75801e9e2be3SAdheer Chandravanshi fw_ddb_entry, fw_ddb_entry_dma); 75811e9e2be3SAdheer Chandravanshi return ret; 75821e9e2be3SAdheer Chandravanshi } 75831e9e2be3SAdheer Chandravanshi 75841e9e2be3SAdheer Chandravanshi /** 75851e9e2be3SAdheer Chandravanshi * qla4xxx_sysfs_ddb_logout_sid - Logout session for the specified target 75861e9e2be3SAdheer Chandravanshi * @cls_sess: pointer to session to be logged out 75871e9e2be3SAdheer Chandravanshi * 75881e9e2be3SAdheer Chandravanshi * This performs session log out from the specified target 75891e9e2be3SAdheer Chandravanshi **/ 75901e9e2be3SAdheer Chandravanshi static int qla4xxx_sysfs_ddb_logout_sid(struct iscsi_cls_session *cls_sess) 75911e9e2be3SAdheer Chandravanshi { 75921e9e2be3SAdheer Chandravanshi struct iscsi_session *sess; 75931e9e2be3SAdheer Chandravanshi struct ddb_entry *ddb_entry = NULL; 75941e9e2be3SAdheer Chandravanshi struct scsi_qla_host *ha; 75951e9e2be3SAdheer Chandravanshi struct dev_db_entry *fw_ddb_entry = NULL; 75961e9e2be3SAdheer Chandravanshi dma_addr_t fw_ddb_entry_dma; 75971e9e2be3SAdheer Chandravanshi unsigned long flags; 75981e9e2be3SAdheer Chandravanshi unsigned long wtime; 75991e9e2be3SAdheer Chandravanshi uint32_t ddb_state; 76001e9e2be3SAdheer Chandravanshi int options; 76011e9e2be3SAdheer Chandravanshi int ret = 0; 76021e9e2be3SAdheer Chandravanshi 76031e9e2be3SAdheer Chandravanshi sess = cls_sess->dd_data; 76041e9e2be3SAdheer Chandravanshi ddb_entry = sess->dd_data; 76051e9e2be3SAdheer Chandravanshi ha = ddb_entry->ha; 76061e9e2be3SAdheer Chandravanshi 76071e9e2be3SAdheer Chandravanshi if (ddb_entry->ddb_type != FLASH_DDB) { 76081e9e2be3SAdheer Chandravanshi ql4_printk(KERN_ERR, ha, "%s: Not a flash node session\n", 76091e9e2be3SAdheer Chandravanshi __func__); 76101e9e2be3SAdheer Chandravanshi ret = -ENXIO; 76111e9e2be3SAdheer Chandravanshi goto exit_ddb_logout; 76121e9e2be3SAdheer Chandravanshi } 76131e9e2be3SAdheer Chandravanshi 761437719c2aSAdheer Chandravanshi if (test_bit(DF_BOOT_TGT, &ddb_entry->flags)) { 761537719c2aSAdheer Chandravanshi ql4_printk(KERN_ERR, ha, 761637719c2aSAdheer Chandravanshi "%s: Logout from boot target entry is not permitted.\n", 761737719c2aSAdheer Chandravanshi __func__); 761837719c2aSAdheer Chandravanshi ret = -EPERM; 761937719c2aSAdheer Chandravanshi goto exit_ddb_logout; 762037719c2aSAdheer Chandravanshi } 762137719c2aSAdheer Chandravanshi 76221e9e2be3SAdheer Chandravanshi fw_ddb_entry = dma_alloc_coherent(&ha->pdev->dev, sizeof(*fw_ddb_entry), 76231e9e2be3SAdheer Chandravanshi &fw_ddb_entry_dma, GFP_KERNEL); 76241e9e2be3SAdheer Chandravanshi if (!fw_ddb_entry) { 76251e9e2be3SAdheer Chandravanshi ql4_printk(KERN_ERR, ha, 76261e9e2be3SAdheer Chandravanshi "%s: Unable to allocate dma buffer\n", __func__); 76271e9e2be3SAdheer Chandravanshi ret = -ENOMEM; 76281e9e2be3SAdheer Chandravanshi goto exit_ddb_logout; 76291e9e2be3SAdheer Chandravanshi } 76301e9e2be3SAdheer Chandravanshi 763199c6a33bSAdheer Chandravanshi if (test_and_set_bit(DF_DISABLE_RELOGIN, &ddb_entry->flags)) 763299c6a33bSAdheer Chandravanshi goto ddb_logout_init; 763399c6a33bSAdheer Chandravanshi 763499c6a33bSAdheer Chandravanshi ret = qla4xxx_get_fwddb_entry(ha, ddb_entry->fw_ddb_index, 763599c6a33bSAdheer Chandravanshi fw_ddb_entry, fw_ddb_entry_dma, 763699c6a33bSAdheer Chandravanshi NULL, NULL, &ddb_state, NULL, 763799c6a33bSAdheer Chandravanshi NULL, NULL); 763899c6a33bSAdheer Chandravanshi if (ret == QLA_ERROR) 763999c6a33bSAdheer Chandravanshi goto ddb_logout_init; 764099c6a33bSAdheer Chandravanshi 764199c6a33bSAdheer Chandravanshi if (ddb_state == DDB_DS_SESSION_ACTIVE) 764299c6a33bSAdheer Chandravanshi goto ddb_logout_init; 764399c6a33bSAdheer Chandravanshi 764499c6a33bSAdheer Chandravanshi /* wait until next relogin is triggered using DF_RELOGIN and 764599c6a33bSAdheer Chandravanshi * clear DF_RELOGIN to avoid invocation of further relogin 764699c6a33bSAdheer Chandravanshi */ 764799c6a33bSAdheer Chandravanshi wtime = jiffies + (HZ * RELOGIN_TOV); 764899c6a33bSAdheer Chandravanshi do { 764999c6a33bSAdheer Chandravanshi if (test_and_clear_bit(DF_RELOGIN, &ddb_entry->flags)) 765099c6a33bSAdheer Chandravanshi goto ddb_logout_init; 765199c6a33bSAdheer Chandravanshi 765299c6a33bSAdheer Chandravanshi schedule_timeout_uninterruptible(HZ); 765399c6a33bSAdheer Chandravanshi } while ((time_after(wtime, jiffies))); 765499c6a33bSAdheer Chandravanshi 765599c6a33bSAdheer Chandravanshi ddb_logout_init: 765699c6a33bSAdheer Chandravanshi atomic_set(&ddb_entry->retry_relogin_timer, INVALID_ENTRY); 765799c6a33bSAdheer Chandravanshi atomic_set(&ddb_entry->relogin_timer, 0); 765899c6a33bSAdheer Chandravanshi 765999c6a33bSAdheer Chandravanshi options = LOGOUT_OPTION_CLOSE_SESSION; 766099c6a33bSAdheer Chandravanshi qla4xxx_session_logout_ddb(ha, ddb_entry, options); 766199c6a33bSAdheer Chandravanshi 766299c6a33bSAdheer Chandravanshi memset(fw_ddb_entry, 0, sizeof(*fw_ddb_entry)); 76631e9e2be3SAdheer Chandravanshi wtime = jiffies + (HZ * LOGOUT_TOV); 76641e9e2be3SAdheer Chandravanshi do { 76651e9e2be3SAdheer Chandravanshi ret = qla4xxx_get_fwddb_entry(ha, ddb_entry->fw_ddb_index, 76661e9e2be3SAdheer Chandravanshi fw_ddb_entry, fw_ddb_entry_dma, 76671e9e2be3SAdheer Chandravanshi NULL, NULL, &ddb_state, NULL, 76681e9e2be3SAdheer Chandravanshi NULL, NULL); 76691e9e2be3SAdheer Chandravanshi if (ret == QLA_ERROR) 76701e9e2be3SAdheer Chandravanshi goto ddb_logout_clr_sess; 76711e9e2be3SAdheer Chandravanshi 76721e9e2be3SAdheer Chandravanshi if ((ddb_state == DDB_DS_NO_CONNECTION_ACTIVE) || 76731e9e2be3SAdheer Chandravanshi (ddb_state == DDB_DS_SESSION_FAILED)) 76741e9e2be3SAdheer Chandravanshi goto ddb_logout_clr_sess; 76751e9e2be3SAdheer Chandravanshi 76761e9e2be3SAdheer Chandravanshi schedule_timeout_uninterruptible(HZ); 76771e9e2be3SAdheer Chandravanshi } while ((time_after(wtime, jiffies))); 76781e9e2be3SAdheer Chandravanshi 76791e9e2be3SAdheer Chandravanshi ddb_logout_clr_sess: 76801e9e2be3SAdheer Chandravanshi qla4xxx_clear_ddb_entry(ha, ddb_entry->fw_ddb_index); 76811e9e2be3SAdheer Chandravanshi /* 76821e9e2be3SAdheer Chandravanshi * we have decremented the reference count of the driver 76831e9e2be3SAdheer Chandravanshi * when we setup the session to have the driver unload 76841e9e2be3SAdheer Chandravanshi * to be seamless without actually destroying the 76851e9e2be3SAdheer Chandravanshi * session 76861e9e2be3SAdheer Chandravanshi **/ 76871e9e2be3SAdheer Chandravanshi try_module_get(qla4xxx_iscsi_transport.owner); 76881e9e2be3SAdheer Chandravanshi iscsi_destroy_endpoint(ddb_entry->conn->ep); 76891e9e2be3SAdheer Chandravanshi 76901e9e2be3SAdheer Chandravanshi spin_lock_irqsave(&ha->hardware_lock, flags); 76911e9e2be3SAdheer Chandravanshi qla4xxx_free_ddb(ha, ddb_entry); 769299c6a33bSAdheer Chandravanshi clear_bit(ddb_entry->fw_ddb_index, ha->ddb_idx_map); 76931e9e2be3SAdheer Chandravanshi spin_unlock_irqrestore(&ha->hardware_lock, flags); 76941e9e2be3SAdheer Chandravanshi 76951e9e2be3SAdheer Chandravanshi iscsi_session_teardown(ddb_entry->sess); 76961e9e2be3SAdheer Chandravanshi 769799c6a33bSAdheer Chandravanshi clear_bit(DF_DISABLE_RELOGIN, &ddb_entry->flags); 76981e9e2be3SAdheer Chandravanshi ret = QLA_SUCCESS; 76991e9e2be3SAdheer Chandravanshi 77001e9e2be3SAdheer Chandravanshi exit_ddb_logout: 77011e9e2be3SAdheer Chandravanshi if (fw_ddb_entry) 77021e9e2be3SAdheer Chandravanshi dma_free_coherent(&ha->pdev->dev, sizeof(*fw_ddb_entry), 77031e9e2be3SAdheer Chandravanshi fw_ddb_entry, fw_ddb_entry_dma); 77041e9e2be3SAdheer Chandravanshi return ret; 77051e9e2be3SAdheer Chandravanshi } 77061e9e2be3SAdheer Chandravanshi 77071e9e2be3SAdheer Chandravanshi /** 77081e9e2be3SAdheer Chandravanshi * qla4xxx_sysfs_ddb_logout - Logout from the specified target 77091e9e2be3SAdheer Chandravanshi * @fnode_sess: pointer to session attrs of flash ddb entry 77101e9e2be3SAdheer Chandravanshi * @fnode_conn: pointer to connection attrs of flash ddb entry 77111e9e2be3SAdheer Chandravanshi * 77121e9e2be3SAdheer Chandravanshi * This performs log out from the specified target 77131e9e2be3SAdheer Chandravanshi **/ 77141e9e2be3SAdheer Chandravanshi static int qla4xxx_sysfs_ddb_logout(struct iscsi_bus_flash_session *fnode_sess, 77151e9e2be3SAdheer Chandravanshi struct iscsi_bus_flash_conn *fnode_conn) 77161e9e2be3SAdheer Chandravanshi { 77171e9e2be3SAdheer Chandravanshi struct Scsi_Host *shost = iscsi_flash_session_to_shost(fnode_sess); 77181e9e2be3SAdheer Chandravanshi struct scsi_qla_host *ha = to_qla_host(shost); 77191e9e2be3SAdheer Chandravanshi struct ql4_tuple_ddb *flash_tddb = NULL; 77201e9e2be3SAdheer Chandravanshi struct ql4_tuple_ddb *tmp_tddb = NULL; 77211e9e2be3SAdheer Chandravanshi struct dev_db_entry *fw_ddb_entry = NULL; 77221e9e2be3SAdheer Chandravanshi struct ddb_entry *ddb_entry = NULL; 77231e9e2be3SAdheer Chandravanshi dma_addr_t fw_ddb_dma; 77241e9e2be3SAdheer Chandravanshi uint32_t next_idx = 0; 77251e9e2be3SAdheer Chandravanshi uint32_t state = 0, conn_err = 0; 77261e9e2be3SAdheer Chandravanshi uint16_t conn_id = 0; 77271e9e2be3SAdheer Chandravanshi int idx, index; 77281e9e2be3SAdheer Chandravanshi int status, ret = 0; 77291e9e2be3SAdheer Chandravanshi 77301e9e2be3SAdheer Chandravanshi fw_ddb_entry = dma_pool_alloc(ha->fw_ddb_dma_pool, GFP_KERNEL, 77311e9e2be3SAdheer Chandravanshi &fw_ddb_dma); 77321e9e2be3SAdheer Chandravanshi if (fw_ddb_entry == NULL) { 77331e9e2be3SAdheer Chandravanshi ql4_printk(KERN_ERR, ha, "%s:Out of memory\n", __func__); 77341e9e2be3SAdheer Chandravanshi ret = -ENOMEM; 77351e9e2be3SAdheer Chandravanshi goto exit_ddb_logout; 77361e9e2be3SAdheer Chandravanshi } 77371e9e2be3SAdheer Chandravanshi 77381e9e2be3SAdheer Chandravanshi flash_tddb = vzalloc(sizeof(*flash_tddb)); 77391e9e2be3SAdheer Chandravanshi if (!flash_tddb) { 77401e9e2be3SAdheer Chandravanshi ql4_printk(KERN_WARNING, ha, 77411e9e2be3SAdheer Chandravanshi "%s:Memory Allocation failed.\n", __func__); 77421e9e2be3SAdheer Chandravanshi ret = -ENOMEM; 77431e9e2be3SAdheer Chandravanshi goto exit_ddb_logout; 77441e9e2be3SAdheer Chandravanshi } 77451e9e2be3SAdheer Chandravanshi 77461e9e2be3SAdheer Chandravanshi tmp_tddb = vzalloc(sizeof(*tmp_tddb)); 77471e9e2be3SAdheer Chandravanshi if (!tmp_tddb) { 77481e9e2be3SAdheer Chandravanshi ql4_printk(KERN_WARNING, ha, 77491e9e2be3SAdheer Chandravanshi "%s:Memory Allocation failed.\n", __func__); 77501e9e2be3SAdheer Chandravanshi ret = -ENOMEM; 77511e9e2be3SAdheer Chandravanshi goto exit_ddb_logout; 77521e9e2be3SAdheer Chandravanshi } 77531e9e2be3SAdheer Chandravanshi 77541e9e2be3SAdheer Chandravanshi if (!fnode_sess->targetname) { 77551e9e2be3SAdheer Chandravanshi ql4_printk(KERN_ERR, ha, 77561e9e2be3SAdheer Chandravanshi "%s:Cannot logout from SendTarget entry\n", 77571e9e2be3SAdheer Chandravanshi __func__); 77581e9e2be3SAdheer Chandravanshi ret = -EPERM; 77591e9e2be3SAdheer Chandravanshi goto exit_ddb_logout; 77601e9e2be3SAdheer Chandravanshi } 77611e9e2be3SAdheer Chandravanshi 77621e9e2be3SAdheer Chandravanshi if (fnode_sess->is_boot_target) { 77631e9e2be3SAdheer Chandravanshi ql4_printk(KERN_ERR, ha, 77641e9e2be3SAdheer Chandravanshi "%s: Logout from boot target entry is not permitted.\n", 77651e9e2be3SAdheer Chandravanshi __func__); 77661e9e2be3SAdheer Chandravanshi ret = -EPERM; 77671e9e2be3SAdheer Chandravanshi goto exit_ddb_logout; 77681e9e2be3SAdheer Chandravanshi } 77691e9e2be3SAdheer Chandravanshi 7770bdbb9662SRickard Strandqvist strlcpy(flash_tddb->iscsi_name, fnode_sess->targetname, 77711e9e2be3SAdheer Chandravanshi ISCSI_NAME_SIZE); 77721e9e2be3SAdheer Chandravanshi 7773c962c18bSAdheer Chandravanshi if (!strncmp(fnode_sess->portal_type, PORTAL_TYPE_IPV6, 4)) 77741e9e2be3SAdheer Chandravanshi sprintf(flash_tddb->ip_addr, "%pI6", fnode_conn->ipaddress); 77751e9e2be3SAdheer Chandravanshi else 77761e9e2be3SAdheer Chandravanshi sprintf(flash_tddb->ip_addr, "%pI4", fnode_conn->ipaddress); 77771e9e2be3SAdheer Chandravanshi 77781e9e2be3SAdheer Chandravanshi flash_tddb->tpgt = fnode_sess->tpgt; 77791e9e2be3SAdheer Chandravanshi flash_tddb->port = fnode_conn->port; 77801e9e2be3SAdheer Chandravanshi 77811e9e2be3SAdheer Chandravanshi COPY_ISID(flash_tddb->isid, fnode_sess->isid); 77821e9e2be3SAdheer Chandravanshi 77831e9e2be3SAdheer Chandravanshi for (idx = 0; idx < MAX_DDB_ENTRIES; idx++) { 77841e9e2be3SAdheer Chandravanshi ddb_entry = qla4xxx_lookup_ddb_by_fw_index(ha, idx); 77851e9e2be3SAdheer Chandravanshi if (ddb_entry == NULL) 77861e9e2be3SAdheer Chandravanshi continue; 77871e9e2be3SAdheer Chandravanshi 77881e9e2be3SAdheer Chandravanshi if (ddb_entry->ddb_type != FLASH_DDB) 77891e9e2be3SAdheer Chandravanshi continue; 77901e9e2be3SAdheer Chandravanshi 77911e9e2be3SAdheer Chandravanshi index = ddb_entry->sess->target_id; 77921e9e2be3SAdheer Chandravanshi status = qla4xxx_get_fwddb_entry(ha, index, fw_ddb_entry, 77931e9e2be3SAdheer Chandravanshi fw_ddb_dma, NULL, &next_idx, 77941e9e2be3SAdheer Chandravanshi &state, &conn_err, NULL, 77951e9e2be3SAdheer Chandravanshi &conn_id); 77961e9e2be3SAdheer Chandravanshi if (status == QLA_ERROR) { 77971e9e2be3SAdheer Chandravanshi ret = -ENOMEM; 77981e9e2be3SAdheer Chandravanshi break; 77991e9e2be3SAdheer Chandravanshi } 78001e9e2be3SAdheer Chandravanshi 78011e9e2be3SAdheer Chandravanshi qla4xxx_convert_param_ddb(fw_ddb_entry, tmp_tddb, NULL); 78021e9e2be3SAdheer Chandravanshi 78031e9e2be3SAdheer Chandravanshi status = qla4xxx_compare_tuple_ddb(ha, flash_tddb, tmp_tddb, 78041e9e2be3SAdheer Chandravanshi true); 78051e9e2be3SAdheer Chandravanshi if (status == QLA_SUCCESS) { 78061e9e2be3SAdheer Chandravanshi ret = qla4xxx_sysfs_ddb_logout_sid(ddb_entry->sess); 78071e9e2be3SAdheer Chandravanshi break; 78081e9e2be3SAdheer Chandravanshi } 78091e9e2be3SAdheer Chandravanshi } 78101e9e2be3SAdheer Chandravanshi 78111e9e2be3SAdheer Chandravanshi if (idx == MAX_DDB_ENTRIES) 78121e9e2be3SAdheer Chandravanshi ret = -ESRCH; 78131e9e2be3SAdheer Chandravanshi 78141e9e2be3SAdheer Chandravanshi exit_ddb_logout: 78151e9e2be3SAdheer Chandravanshi if (flash_tddb) 78161e9e2be3SAdheer Chandravanshi vfree(flash_tddb); 78171e9e2be3SAdheer Chandravanshi if (tmp_tddb) 78181e9e2be3SAdheer Chandravanshi vfree(tmp_tddb); 78191e9e2be3SAdheer Chandravanshi if (fw_ddb_entry) 78201e9e2be3SAdheer Chandravanshi dma_pool_free(ha->fw_ddb_dma_pool, fw_ddb_entry, fw_ddb_dma); 78211e9e2be3SAdheer Chandravanshi 78221e9e2be3SAdheer Chandravanshi return ret; 78231e9e2be3SAdheer Chandravanshi } 78241e9e2be3SAdheer Chandravanshi 78251e9e2be3SAdheer Chandravanshi static int 78261e9e2be3SAdheer Chandravanshi qla4xxx_sysfs_ddb_get_param(struct iscsi_bus_flash_session *fnode_sess, 78271e9e2be3SAdheer Chandravanshi int param, char *buf) 78281e9e2be3SAdheer Chandravanshi { 78291e9e2be3SAdheer Chandravanshi struct Scsi_Host *shost = iscsi_flash_session_to_shost(fnode_sess); 78301e9e2be3SAdheer Chandravanshi struct scsi_qla_host *ha = to_qla_host(shost); 78311e9e2be3SAdheer Chandravanshi struct iscsi_bus_flash_conn *fnode_conn; 78321e9e2be3SAdheer Chandravanshi struct ql4_chap_table chap_tbl; 78331e9e2be3SAdheer Chandravanshi struct device *dev; 7834a2f76636SAdheer Chandravanshi int parent_type; 78351e9e2be3SAdheer Chandravanshi int rc = 0; 78361e9e2be3SAdheer Chandravanshi 78378526cb11SMike Christie dev = iscsi_find_flashnode_conn(fnode_sess); 78381e9e2be3SAdheer Chandravanshi if (!dev) 78391e9e2be3SAdheer Chandravanshi return -EIO; 78401e9e2be3SAdheer Chandravanshi 78411e9e2be3SAdheer Chandravanshi fnode_conn = iscsi_dev_to_flash_conn(dev); 78421e9e2be3SAdheer Chandravanshi 78431e9e2be3SAdheer Chandravanshi switch (param) { 78441e9e2be3SAdheer Chandravanshi case ISCSI_FLASHNODE_IS_FW_ASSIGNED_IPV6: 78451e9e2be3SAdheer Chandravanshi rc = sprintf(buf, "%u\n", fnode_conn->is_fw_assigned_ipv6); 78461e9e2be3SAdheer Chandravanshi break; 78471e9e2be3SAdheer Chandravanshi case ISCSI_FLASHNODE_PORTAL_TYPE: 78481e9e2be3SAdheer Chandravanshi rc = sprintf(buf, "%s\n", fnode_sess->portal_type); 78491e9e2be3SAdheer Chandravanshi break; 78501e9e2be3SAdheer Chandravanshi case ISCSI_FLASHNODE_AUTO_SND_TGT_DISABLE: 78511e9e2be3SAdheer Chandravanshi rc = sprintf(buf, "%u\n", fnode_sess->auto_snd_tgt_disable); 78521e9e2be3SAdheer Chandravanshi break; 78531e9e2be3SAdheer Chandravanshi case ISCSI_FLASHNODE_DISCOVERY_SESS: 78541e9e2be3SAdheer Chandravanshi rc = sprintf(buf, "%u\n", fnode_sess->discovery_sess); 78551e9e2be3SAdheer Chandravanshi break; 78561e9e2be3SAdheer Chandravanshi case ISCSI_FLASHNODE_ENTRY_EN: 78571e9e2be3SAdheer Chandravanshi rc = sprintf(buf, "%u\n", fnode_sess->entry_state); 78581e9e2be3SAdheer Chandravanshi break; 78591e9e2be3SAdheer Chandravanshi case ISCSI_FLASHNODE_HDR_DGST_EN: 78601e9e2be3SAdheer Chandravanshi rc = sprintf(buf, "%u\n", fnode_conn->hdrdgst_en); 78611e9e2be3SAdheer Chandravanshi break; 78621e9e2be3SAdheer Chandravanshi case ISCSI_FLASHNODE_DATA_DGST_EN: 78631e9e2be3SAdheer Chandravanshi rc = sprintf(buf, "%u\n", fnode_conn->datadgst_en); 78641e9e2be3SAdheer Chandravanshi break; 78651e9e2be3SAdheer Chandravanshi case ISCSI_FLASHNODE_IMM_DATA_EN: 78661e9e2be3SAdheer Chandravanshi rc = sprintf(buf, "%u\n", fnode_sess->imm_data_en); 78671e9e2be3SAdheer Chandravanshi break; 78681e9e2be3SAdheer Chandravanshi case ISCSI_FLASHNODE_INITIAL_R2T_EN: 78691e9e2be3SAdheer Chandravanshi rc = sprintf(buf, "%u\n", fnode_sess->initial_r2t_en); 78701e9e2be3SAdheer Chandravanshi break; 78711e9e2be3SAdheer Chandravanshi case ISCSI_FLASHNODE_DATASEQ_INORDER: 78721e9e2be3SAdheer Chandravanshi rc = sprintf(buf, "%u\n", fnode_sess->dataseq_inorder_en); 78731e9e2be3SAdheer Chandravanshi break; 78741e9e2be3SAdheer Chandravanshi case ISCSI_FLASHNODE_PDU_INORDER: 78751e9e2be3SAdheer Chandravanshi rc = sprintf(buf, "%u\n", fnode_sess->pdu_inorder_en); 78761e9e2be3SAdheer Chandravanshi break; 78771e9e2be3SAdheer Chandravanshi case ISCSI_FLASHNODE_CHAP_AUTH_EN: 78781e9e2be3SAdheer Chandravanshi rc = sprintf(buf, "%u\n", fnode_sess->chap_auth_en); 78791e9e2be3SAdheer Chandravanshi break; 78801e9e2be3SAdheer Chandravanshi case ISCSI_FLASHNODE_SNACK_REQ_EN: 78811e9e2be3SAdheer Chandravanshi rc = sprintf(buf, "%u\n", fnode_conn->snack_req_en); 78821e9e2be3SAdheer Chandravanshi break; 78831e9e2be3SAdheer Chandravanshi case ISCSI_FLASHNODE_DISCOVERY_LOGOUT_EN: 78841e9e2be3SAdheer Chandravanshi rc = sprintf(buf, "%u\n", fnode_sess->discovery_logout_en); 78851e9e2be3SAdheer Chandravanshi break; 78861e9e2be3SAdheer Chandravanshi case ISCSI_FLASHNODE_BIDI_CHAP_EN: 78871e9e2be3SAdheer Chandravanshi rc = sprintf(buf, "%u\n", fnode_sess->bidi_chap_en); 78881e9e2be3SAdheer Chandravanshi break; 78891e9e2be3SAdheer Chandravanshi case ISCSI_FLASHNODE_DISCOVERY_AUTH_OPTIONAL: 78901e9e2be3SAdheer Chandravanshi rc = sprintf(buf, "%u\n", fnode_sess->discovery_auth_optional); 78911e9e2be3SAdheer Chandravanshi break; 78921e9e2be3SAdheer Chandravanshi case ISCSI_FLASHNODE_ERL: 78931e9e2be3SAdheer Chandravanshi rc = sprintf(buf, "%u\n", fnode_sess->erl); 78941e9e2be3SAdheer Chandravanshi break; 78951e9e2be3SAdheer Chandravanshi case ISCSI_FLASHNODE_TCP_TIMESTAMP_STAT: 78961e9e2be3SAdheer Chandravanshi rc = sprintf(buf, "%u\n", fnode_conn->tcp_timestamp_stat); 78971e9e2be3SAdheer Chandravanshi break; 78981e9e2be3SAdheer Chandravanshi case ISCSI_FLASHNODE_TCP_NAGLE_DISABLE: 78991e9e2be3SAdheer Chandravanshi rc = sprintf(buf, "%u\n", fnode_conn->tcp_nagle_disable); 79001e9e2be3SAdheer Chandravanshi break; 79011e9e2be3SAdheer Chandravanshi case ISCSI_FLASHNODE_TCP_WSF_DISABLE: 79021e9e2be3SAdheer Chandravanshi rc = sprintf(buf, "%u\n", fnode_conn->tcp_wsf_disable); 79031e9e2be3SAdheer Chandravanshi break; 79041e9e2be3SAdheer Chandravanshi case ISCSI_FLASHNODE_TCP_TIMER_SCALE: 79051e9e2be3SAdheer Chandravanshi rc = sprintf(buf, "%u\n", fnode_conn->tcp_timer_scale); 79061e9e2be3SAdheer Chandravanshi break; 79071e9e2be3SAdheer Chandravanshi case ISCSI_FLASHNODE_TCP_TIMESTAMP_EN: 79081e9e2be3SAdheer Chandravanshi rc = sprintf(buf, "%u\n", fnode_conn->tcp_timestamp_en); 79091e9e2be3SAdheer Chandravanshi break; 79101e9e2be3SAdheer Chandravanshi case ISCSI_FLASHNODE_IP_FRAG_DISABLE: 79111e9e2be3SAdheer Chandravanshi rc = sprintf(buf, "%u\n", fnode_conn->fragment_disable); 79121e9e2be3SAdheer Chandravanshi break; 79131e9e2be3SAdheer Chandravanshi case ISCSI_FLASHNODE_MAX_RECV_DLENGTH: 79141e9e2be3SAdheer Chandravanshi rc = sprintf(buf, "%u\n", fnode_conn->max_recv_dlength); 79151e9e2be3SAdheer Chandravanshi break; 79161e9e2be3SAdheer Chandravanshi case ISCSI_FLASHNODE_MAX_XMIT_DLENGTH: 79171e9e2be3SAdheer Chandravanshi rc = sprintf(buf, "%u\n", fnode_conn->max_xmit_dlength); 79181e9e2be3SAdheer Chandravanshi break; 79191e9e2be3SAdheer Chandravanshi case ISCSI_FLASHNODE_FIRST_BURST: 79201e9e2be3SAdheer Chandravanshi rc = sprintf(buf, "%u\n", fnode_sess->first_burst); 79211e9e2be3SAdheer Chandravanshi break; 79221e9e2be3SAdheer Chandravanshi case ISCSI_FLASHNODE_DEF_TIME2WAIT: 79231e9e2be3SAdheer Chandravanshi rc = sprintf(buf, "%u\n", fnode_sess->time2wait); 79241e9e2be3SAdheer Chandravanshi break; 79251e9e2be3SAdheer Chandravanshi case ISCSI_FLASHNODE_DEF_TIME2RETAIN: 79261e9e2be3SAdheer Chandravanshi rc = sprintf(buf, "%u\n", fnode_sess->time2retain); 79271e9e2be3SAdheer Chandravanshi break; 79281e9e2be3SAdheer Chandravanshi case ISCSI_FLASHNODE_MAX_R2T: 79291e9e2be3SAdheer Chandravanshi rc = sprintf(buf, "%u\n", fnode_sess->max_r2t); 79301e9e2be3SAdheer Chandravanshi break; 79311e9e2be3SAdheer Chandravanshi case ISCSI_FLASHNODE_KEEPALIVE_TMO: 79321e9e2be3SAdheer Chandravanshi rc = sprintf(buf, "%u\n", fnode_conn->keepalive_timeout); 79331e9e2be3SAdheer Chandravanshi break; 79341e9e2be3SAdheer Chandravanshi case ISCSI_FLASHNODE_ISID: 7935d1d81bd0SOleksandr Khoshaba rc = sprintf(buf, "%pm\n", fnode_sess->isid); 79361e9e2be3SAdheer Chandravanshi break; 79371e9e2be3SAdheer Chandravanshi case ISCSI_FLASHNODE_TSID: 79381e9e2be3SAdheer Chandravanshi rc = sprintf(buf, "%u\n", fnode_sess->tsid); 79391e9e2be3SAdheer Chandravanshi break; 79401e9e2be3SAdheer Chandravanshi case ISCSI_FLASHNODE_PORT: 79411e9e2be3SAdheer Chandravanshi rc = sprintf(buf, "%d\n", fnode_conn->port); 79421e9e2be3SAdheer Chandravanshi break; 79431e9e2be3SAdheer Chandravanshi case ISCSI_FLASHNODE_MAX_BURST: 79441e9e2be3SAdheer Chandravanshi rc = sprintf(buf, "%u\n", fnode_sess->max_burst); 79451e9e2be3SAdheer Chandravanshi break; 79461e9e2be3SAdheer Chandravanshi case ISCSI_FLASHNODE_DEF_TASKMGMT_TMO: 79471e9e2be3SAdheer Chandravanshi rc = sprintf(buf, "%u\n", 79481e9e2be3SAdheer Chandravanshi fnode_sess->default_taskmgmt_timeout); 79491e9e2be3SAdheer Chandravanshi break; 79501e9e2be3SAdheer Chandravanshi case ISCSI_FLASHNODE_IPADDR: 7951c962c18bSAdheer Chandravanshi if (!strncmp(fnode_sess->portal_type, PORTAL_TYPE_IPV6, 4)) 79521e9e2be3SAdheer Chandravanshi rc = sprintf(buf, "%pI6\n", fnode_conn->ipaddress); 79531e9e2be3SAdheer Chandravanshi else 79541e9e2be3SAdheer Chandravanshi rc = sprintf(buf, "%pI4\n", fnode_conn->ipaddress); 79551e9e2be3SAdheer Chandravanshi break; 79561e9e2be3SAdheer Chandravanshi case ISCSI_FLASHNODE_ALIAS: 79571e9e2be3SAdheer Chandravanshi if (fnode_sess->targetalias) 79581e9e2be3SAdheer Chandravanshi rc = sprintf(buf, "%s\n", fnode_sess->targetalias); 79591e9e2be3SAdheer Chandravanshi else 79601e9e2be3SAdheer Chandravanshi rc = sprintf(buf, "\n"); 79611e9e2be3SAdheer Chandravanshi break; 79621e9e2be3SAdheer Chandravanshi case ISCSI_FLASHNODE_REDIRECT_IPADDR: 7963c962c18bSAdheer Chandravanshi if (!strncmp(fnode_sess->portal_type, PORTAL_TYPE_IPV6, 4)) 79641e9e2be3SAdheer Chandravanshi rc = sprintf(buf, "%pI6\n", 79651e9e2be3SAdheer Chandravanshi fnode_conn->redirect_ipaddr); 79661e9e2be3SAdheer Chandravanshi else 79671e9e2be3SAdheer Chandravanshi rc = sprintf(buf, "%pI4\n", 79681e9e2be3SAdheer Chandravanshi fnode_conn->redirect_ipaddr); 79691e9e2be3SAdheer Chandravanshi break; 79701e9e2be3SAdheer Chandravanshi case ISCSI_FLASHNODE_MAX_SEGMENT_SIZE: 79711e9e2be3SAdheer Chandravanshi rc = sprintf(buf, "%u\n", fnode_conn->max_segment_size); 79721e9e2be3SAdheer Chandravanshi break; 79731e9e2be3SAdheer Chandravanshi case ISCSI_FLASHNODE_LOCAL_PORT: 79741e9e2be3SAdheer Chandravanshi rc = sprintf(buf, "%u\n", fnode_conn->local_port); 79751e9e2be3SAdheer Chandravanshi break; 79761e9e2be3SAdheer Chandravanshi case ISCSI_FLASHNODE_IPV4_TOS: 79771e9e2be3SAdheer Chandravanshi rc = sprintf(buf, "%u\n", fnode_conn->ipv4_tos); 79781e9e2be3SAdheer Chandravanshi break; 79791e9e2be3SAdheer Chandravanshi case ISCSI_FLASHNODE_IPV6_TC: 7980c962c18bSAdheer Chandravanshi if (!strncmp(fnode_sess->portal_type, PORTAL_TYPE_IPV6, 4)) 79811e9e2be3SAdheer Chandravanshi rc = sprintf(buf, "%u\n", 79821e9e2be3SAdheer Chandravanshi fnode_conn->ipv6_traffic_class); 79831e9e2be3SAdheer Chandravanshi else 79841e9e2be3SAdheer Chandravanshi rc = sprintf(buf, "\n"); 79851e9e2be3SAdheer Chandravanshi break; 79861e9e2be3SAdheer Chandravanshi case ISCSI_FLASHNODE_IPV6_FLOW_LABEL: 79871e9e2be3SAdheer Chandravanshi rc = sprintf(buf, "%u\n", fnode_conn->ipv6_flow_label); 79881e9e2be3SAdheer Chandravanshi break; 79891e9e2be3SAdheer Chandravanshi case ISCSI_FLASHNODE_LINK_LOCAL_IPV6: 7990c962c18bSAdheer Chandravanshi if (!strncmp(fnode_sess->portal_type, PORTAL_TYPE_IPV6, 4)) 79911e9e2be3SAdheer Chandravanshi rc = sprintf(buf, "%pI6\n", 79921e9e2be3SAdheer Chandravanshi fnode_conn->link_local_ipv6_addr); 79931e9e2be3SAdheer Chandravanshi else 79941e9e2be3SAdheer Chandravanshi rc = sprintf(buf, "\n"); 79951e9e2be3SAdheer Chandravanshi break; 79961e9e2be3SAdheer Chandravanshi case ISCSI_FLASHNODE_DISCOVERY_PARENT_IDX: 7997a2f76636SAdheer Chandravanshi rc = sprintf(buf, "%u\n", fnode_sess->discovery_parent_idx); 79981e9e2be3SAdheer Chandravanshi break; 79991e9e2be3SAdheer Chandravanshi case ISCSI_FLASHNODE_DISCOVERY_PARENT_TYPE: 80001e9e2be3SAdheer Chandravanshi if (fnode_sess->discovery_parent_type == DDB_ISNS) 80011e9e2be3SAdheer Chandravanshi parent_type = ISCSI_DISC_PARENT_ISNS; 80021e9e2be3SAdheer Chandravanshi else if (fnode_sess->discovery_parent_type == DDB_NO_LINK) 80031e9e2be3SAdheer Chandravanshi parent_type = ISCSI_DISC_PARENT_UNKNOWN; 8004b6130ceaSVikas Chaudhary else if (fnode_sess->discovery_parent_type < MAX_DDB_ENTRIES) 80051e9e2be3SAdheer Chandravanshi parent_type = ISCSI_DISC_PARENT_SENDTGT; 80061e9e2be3SAdheer Chandravanshi else 80071e9e2be3SAdheer Chandravanshi parent_type = ISCSI_DISC_PARENT_UNKNOWN; 80081e9e2be3SAdheer Chandravanshi 80091e9e2be3SAdheer Chandravanshi rc = sprintf(buf, "%s\n", 80101e9e2be3SAdheer Chandravanshi iscsi_get_discovery_parent_name(parent_type)); 80111e9e2be3SAdheer Chandravanshi break; 80121e9e2be3SAdheer Chandravanshi case ISCSI_FLASHNODE_NAME: 80131e9e2be3SAdheer Chandravanshi if (fnode_sess->targetname) 80141e9e2be3SAdheer Chandravanshi rc = sprintf(buf, "%s\n", fnode_sess->targetname); 80151e9e2be3SAdheer Chandravanshi else 80161e9e2be3SAdheer Chandravanshi rc = sprintf(buf, "\n"); 80171e9e2be3SAdheer Chandravanshi break; 80181e9e2be3SAdheer Chandravanshi case ISCSI_FLASHNODE_TPGT: 80191e9e2be3SAdheer Chandravanshi rc = sprintf(buf, "%u\n", fnode_sess->tpgt); 80201e9e2be3SAdheer Chandravanshi break; 80211e9e2be3SAdheer Chandravanshi case ISCSI_FLASHNODE_TCP_XMIT_WSF: 80221e9e2be3SAdheer Chandravanshi rc = sprintf(buf, "%u\n", fnode_conn->tcp_xmit_wsf); 80231e9e2be3SAdheer Chandravanshi break; 80241e9e2be3SAdheer Chandravanshi case ISCSI_FLASHNODE_TCP_RECV_WSF: 80251e9e2be3SAdheer Chandravanshi rc = sprintf(buf, "%u\n", fnode_conn->tcp_recv_wsf); 80261e9e2be3SAdheer Chandravanshi break; 80271e9e2be3SAdheer Chandravanshi case ISCSI_FLASHNODE_CHAP_OUT_IDX: 80281e9e2be3SAdheer Chandravanshi rc = sprintf(buf, "%u\n", fnode_sess->chap_out_idx); 80291e9e2be3SAdheer Chandravanshi break; 80301e9e2be3SAdheer Chandravanshi case ISCSI_FLASHNODE_USERNAME: 80311e9e2be3SAdheer Chandravanshi if (fnode_sess->chap_auth_en) { 80321e9e2be3SAdheer Chandravanshi qla4xxx_get_uni_chap_at_index(ha, 80331e9e2be3SAdheer Chandravanshi chap_tbl.name, 80341e9e2be3SAdheer Chandravanshi chap_tbl.secret, 80351e9e2be3SAdheer Chandravanshi fnode_sess->chap_out_idx); 80361e9e2be3SAdheer Chandravanshi rc = sprintf(buf, "%s\n", chap_tbl.name); 80371e9e2be3SAdheer Chandravanshi } else { 80381e9e2be3SAdheer Chandravanshi rc = sprintf(buf, "\n"); 80391e9e2be3SAdheer Chandravanshi } 80401e9e2be3SAdheer Chandravanshi break; 80411e9e2be3SAdheer Chandravanshi case ISCSI_FLASHNODE_PASSWORD: 80421e9e2be3SAdheer Chandravanshi if (fnode_sess->chap_auth_en) { 80431e9e2be3SAdheer Chandravanshi qla4xxx_get_uni_chap_at_index(ha, 80441e9e2be3SAdheer Chandravanshi chap_tbl.name, 80451e9e2be3SAdheer Chandravanshi chap_tbl.secret, 80461e9e2be3SAdheer Chandravanshi fnode_sess->chap_out_idx); 80471e9e2be3SAdheer Chandravanshi rc = sprintf(buf, "%s\n", chap_tbl.secret); 80481e9e2be3SAdheer Chandravanshi } else { 80491e9e2be3SAdheer Chandravanshi rc = sprintf(buf, "\n"); 80501e9e2be3SAdheer Chandravanshi } 80511e9e2be3SAdheer Chandravanshi break; 80521e9e2be3SAdheer Chandravanshi case ISCSI_FLASHNODE_STATSN: 80531e9e2be3SAdheer Chandravanshi rc = sprintf(buf, "%u\n", fnode_conn->statsn); 80541e9e2be3SAdheer Chandravanshi break; 80551e9e2be3SAdheer Chandravanshi case ISCSI_FLASHNODE_EXP_STATSN: 80561e9e2be3SAdheer Chandravanshi rc = sprintf(buf, "%u\n", fnode_conn->exp_statsn); 80571e9e2be3SAdheer Chandravanshi break; 80581e9e2be3SAdheer Chandravanshi case ISCSI_FLASHNODE_IS_BOOT_TGT: 80591e9e2be3SAdheer Chandravanshi rc = sprintf(buf, "%u\n", fnode_sess->is_boot_target); 80601e9e2be3SAdheer Chandravanshi break; 80611e9e2be3SAdheer Chandravanshi default: 80621e9e2be3SAdheer Chandravanshi rc = -ENOSYS; 80631e9e2be3SAdheer Chandravanshi break; 80641e9e2be3SAdheer Chandravanshi } 80658526cb11SMike Christie 80668526cb11SMike Christie put_device(dev); 80671e9e2be3SAdheer Chandravanshi return rc; 80681e9e2be3SAdheer Chandravanshi } 80691e9e2be3SAdheer Chandravanshi 80701e9e2be3SAdheer Chandravanshi /** 80711e9e2be3SAdheer Chandravanshi * qla4xxx_sysfs_ddb_set_param - Set parameter for firmware DDB entry 80721e9e2be3SAdheer Chandravanshi * @fnode_sess: pointer to session attrs of flash ddb entry 80731e9e2be3SAdheer Chandravanshi * @fnode_conn: pointer to connection attrs of flash ddb entry 80741e9e2be3SAdheer Chandravanshi * @data: Parameters and their values to update 80751e9e2be3SAdheer Chandravanshi * @len: len of data 80761e9e2be3SAdheer Chandravanshi * 80771e9e2be3SAdheer Chandravanshi * This sets the parameter of flash ddb entry and writes them to flash 80781e9e2be3SAdheer Chandravanshi **/ 80791e9e2be3SAdheer Chandravanshi static int 80801e9e2be3SAdheer Chandravanshi qla4xxx_sysfs_ddb_set_param(struct iscsi_bus_flash_session *fnode_sess, 80811e9e2be3SAdheer Chandravanshi struct iscsi_bus_flash_conn *fnode_conn, 80821e9e2be3SAdheer Chandravanshi void *data, int len) 80831e9e2be3SAdheer Chandravanshi { 80841e9e2be3SAdheer Chandravanshi struct Scsi_Host *shost = iscsi_flash_session_to_shost(fnode_sess); 80851e9e2be3SAdheer Chandravanshi struct scsi_qla_host *ha = to_qla_host(shost); 80861e9e2be3SAdheer Chandravanshi struct iscsi_flashnode_param_info *fnode_param; 8087244c079bSAdheer Chandravanshi struct ql4_chap_table chap_tbl; 80881e9e2be3SAdheer Chandravanshi struct nlattr *attr; 8089244c079bSAdheer Chandravanshi uint16_t chap_out_idx = INVALID_ENTRY; 80901e9e2be3SAdheer Chandravanshi int rc = QLA_ERROR; 80911e9e2be3SAdheer Chandravanshi uint32_t rem = len; 80921e9e2be3SAdheer Chandravanshi 8093244c079bSAdheer Chandravanshi memset((void *)&chap_tbl, 0, sizeof(chap_tbl)); 80941e9e2be3SAdheer Chandravanshi nla_for_each_attr(attr, data, len, rem) { 80951e9e2be3SAdheer Chandravanshi fnode_param = nla_data(attr); 80961e9e2be3SAdheer Chandravanshi 80971e9e2be3SAdheer Chandravanshi switch (fnode_param->param) { 80981e9e2be3SAdheer Chandravanshi case ISCSI_FLASHNODE_IS_FW_ASSIGNED_IPV6: 80991e9e2be3SAdheer Chandravanshi fnode_conn->is_fw_assigned_ipv6 = fnode_param->value[0]; 81001e9e2be3SAdheer Chandravanshi break; 81011e9e2be3SAdheer Chandravanshi case ISCSI_FLASHNODE_PORTAL_TYPE: 81021e9e2be3SAdheer Chandravanshi memcpy(fnode_sess->portal_type, fnode_param->value, 81031e9e2be3SAdheer Chandravanshi strlen(fnode_sess->portal_type)); 81041e9e2be3SAdheer Chandravanshi break; 81051e9e2be3SAdheer Chandravanshi case ISCSI_FLASHNODE_AUTO_SND_TGT_DISABLE: 81061e9e2be3SAdheer Chandravanshi fnode_sess->auto_snd_tgt_disable = 81071e9e2be3SAdheer Chandravanshi fnode_param->value[0]; 81081e9e2be3SAdheer Chandravanshi break; 81091e9e2be3SAdheer Chandravanshi case ISCSI_FLASHNODE_DISCOVERY_SESS: 81101e9e2be3SAdheer Chandravanshi fnode_sess->discovery_sess = fnode_param->value[0]; 81111e9e2be3SAdheer Chandravanshi break; 81121e9e2be3SAdheer Chandravanshi case ISCSI_FLASHNODE_ENTRY_EN: 81131e9e2be3SAdheer Chandravanshi fnode_sess->entry_state = fnode_param->value[0]; 81141e9e2be3SAdheer Chandravanshi break; 81151e9e2be3SAdheer Chandravanshi case ISCSI_FLASHNODE_HDR_DGST_EN: 81161e9e2be3SAdheer Chandravanshi fnode_conn->hdrdgst_en = fnode_param->value[0]; 81171e9e2be3SAdheer Chandravanshi break; 81181e9e2be3SAdheer Chandravanshi case ISCSI_FLASHNODE_DATA_DGST_EN: 81191e9e2be3SAdheer Chandravanshi fnode_conn->datadgst_en = fnode_param->value[0]; 81201e9e2be3SAdheer Chandravanshi break; 81211e9e2be3SAdheer Chandravanshi case ISCSI_FLASHNODE_IMM_DATA_EN: 81221e9e2be3SAdheer Chandravanshi fnode_sess->imm_data_en = fnode_param->value[0]; 81231e9e2be3SAdheer Chandravanshi break; 81241e9e2be3SAdheer Chandravanshi case ISCSI_FLASHNODE_INITIAL_R2T_EN: 81251e9e2be3SAdheer Chandravanshi fnode_sess->initial_r2t_en = fnode_param->value[0]; 81261e9e2be3SAdheer Chandravanshi break; 81271e9e2be3SAdheer Chandravanshi case ISCSI_FLASHNODE_DATASEQ_INORDER: 81281e9e2be3SAdheer Chandravanshi fnode_sess->dataseq_inorder_en = fnode_param->value[0]; 81291e9e2be3SAdheer Chandravanshi break; 81301e9e2be3SAdheer Chandravanshi case ISCSI_FLASHNODE_PDU_INORDER: 81311e9e2be3SAdheer Chandravanshi fnode_sess->pdu_inorder_en = fnode_param->value[0]; 81321e9e2be3SAdheer Chandravanshi break; 81331e9e2be3SAdheer Chandravanshi case ISCSI_FLASHNODE_CHAP_AUTH_EN: 81341e9e2be3SAdheer Chandravanshi fnode_sess->chap_auth_en = fnode_param->value[0]; 8135244c079bSAdheer Chandravanshi /* Invalidate chap index if chap auth is disabled */ 8136244c079bSAdheer Chandravanshi if (!fnode_sess->chap_auth_en) 8137244c079bSAdheer Chandravanshi fnode_sess->chap_out_idx = INVALID_ENTRY; 8138244c079bSAdheer Chandravanshi 81391e9e2be3SAdheer Chandravanshi break; 81401e9e2be3SAdheer Chandravanshi case ISCSI_FLASHNODE_SNACK_REQ_EN: 81411e9e2be3SAdheer Chandravanshi fnode_conn->snack_req_en = fnode_param->value[0]; 81421e9e2be3SAdheer Chandravanshi break; 81431e9e2be3SAdheer Chandravanshi case ISCSI_FLASHNODE_DISCOVERY_LOGOUT_EN: 81441e9e2be3SAdheer Chandravanshi fnode_sess->discovery_logout_en = fnode_param->value[0]; 81451e9e2be3SAdheer Chandravanshi break; 81461e9e2be3SAdheer Chandravanshi case ISCSI_FLASHNODE_BIDI_CHAP_EN: 81471e9e2be3SAdheer Chandravanshi fnode_sess->bidi_chap_en = fnode_param->value[0]; 81481e9e2be3SAdheer Chandravanshi break; 81491e9e2be3SAdheer Chandravanshi case ISCSI_FLASHNODE_DISCOVERY_AUTH_OPTIONAL: 81501e9e2be3SAdheer Chandravanshi fnode_sess->discovery_auth_optional = 81511e9e2be3SAdheer Chandravanshi fnode_param->value[0]; 81521e9e2be3SAdheer Chandravanshi break; 81531e9e2be3SAdheer Chandravanshi case ISCSI_FLASHNODE_ERL: 81541e9e2be3SAdheer Chandravanshi fnode_sess->erl = fnode_param->value[0]; 81551e9e2be3SAdheer Chandravanshi break; 81561e9e2be3SAdheer Chandravanshi case ISCSI_FLASHNODE_TCP_TIMESTAMP_STAT: 81571e9e2be3SAdheer Chandravanshi fnode_conn->tcp_timestamp_stat = fnode_param->value[0]; 81581e9e2be3SAdheer Chandravanshi break; 81591e9e2be3SAdheer Chandravanshi case ISCSI_FLASHNODE_TCP_NAGLE_DISABLE: 81601e9e2be3SAdheer Chandravanshi fnode_conn->tcp_nagle_disable = fnode_param->value[0]; 81611e9e2be3SAdheer Chandravanshi break; 81621e9e2be3SAdheer Chandravanshi case ISCSI_FLASHNODE_TCP_WSF_DISABLE: 81631e9e2be3SAdheer Chandravanshi fnode_conn->tcp_wsf_disable = fnode_param->value[0]; 81641e9e2be3SAdheer Chandravanshi break; 81651e9e2be3SAdheer Chandravanshi case ISCSI_FLASHNODE_TCP_TIMER_SCALE: 81661e9e2be3SAdheer Chandravanshi fnode_conn->tcp_timer_scale = fnode_param->value[0]; 81671e9e2be3SAdheer Chandravanshi break; 81681e9e2be3SAdheer Chandravanshi case ISCSI_FLASHNODE_TCP_TIMESTAMP_EN: 81691e9e2be3SAdheer Chandravanshi fnode_conn->tcp_timestamp_en = fnode_param->value[0]; 81701e9e2be3SAdheer Chandravanshi break; 81711e9e2be3SAdheer Chandravanshi case ISCSI_FLASHNODE_IP_FRAG_DISABLE: 81721e9e2be3SAdheer Chandravanshi fnode_conn->fragment_disable = fnode_param->value[0]; 81731e9e2be3SAdheer Chandravanshi break; 81741e9e2be3SAdheer Chandravanshi case ISCSI_FLASHNODE_MAX_RECV_DLENGTH: 81751e9e2be3SAdheer Chandravanshi fnode_conn->max_recv_dlength = 81761e9e2be3SAdheer Chandravanshi *(unsigned *)fnode_param->value; 81771e9e2be3SAdheer Chandravanshi break; 81781e9e2be3SAdheer Chandravanshi case ISCSI_FLASHNODE_MAX_XMIT_DLENGTH: 81791e9e2be3SAdheer Chandravanshi fnode_conn->max_xmit_dlength = 81801e9e2be3SAdheer Chandravanshi *(unsigned *)fnode_param->value; 81811e9e2be3SAdheer Chandravanshi break; 81821e9e2be3SAdheer Chandravanshi case ISCSI_FLASHNODE_FIRST_BURST: 81831e9e2be3SAdheer Chandravanshi fnode_sess->first_burst = 81841e9e2be3SAdheer Chandravanshi *(unsigned *)fnode_param->value; 81851e9e2be3SAdheer Chandravanshi break; 81861e9e2be3SAdheer Chandravanshi case ISCSI_FLASHNODE_DEF_TIME2WAIT: 81871e9e2be3SAdheer Chandravanshi fnode_sess->time2wait = *(uint16_t *)fnode_param->value; 81881e9e2be3SAdheer Chandravanshi break; 81891e9e2be3SAdheer Chandravanshi case ISCSI_FLASHNODE_DEF_TIME2RETAIN: 81901e9e2be3SAdheer Chandravanshi fnode_sess->time2retain = 81911e9e2be3SAdheer Chandravanshi *(uint16_t *)fnode_param->value; 81921e9e2be3SAdheer Chandravanshi break; 81931e9e2be3SAdheer Chandravanshi case ISCSI_FLASHNODE_MAX_R2T: 81941e9e2be3SAdheer Chandravanshi fnode_sess->max_r2t = 81951e9e2be3SAdheer Chandravanshi *(uint16_t *)fnode_param->value; 81961e9e2be3SAdheer Chandravanshi break; 81971e9e2be3SAdheer Chandravanshi case ISCSI_FLASHNODE_KEEPALIVE_TMO: 81981e9e2be3SAdheer Chandravanshi fnode_conn->keepalive_timeout = 81991e9e2be3SAdheer Chandravanshi *(uint16_t *)fnode_param->value; 82001e9e2be3SAdheer Chandravanshi break; 82011e9e2be3SAdheer Chandravanshi case ISCSI_FLASHNODE_ISID: 82021e9e2be3SAdheer Chandravanshi memcpy(fnode_sess->isid, fnode_param->value, 82031e9e2be3SAdheer Chandravanshi sizeof(fnode_sess->isid)); 82041e9e2be3SAdheer Chandravanshi break; 82051e9e2be3SAdheer Chandravanshi case ISCSI_FLASHNODE_TSID: 82061e9e2be3SAdheer Chandravanshi fnode_sess->tsid = *(uint16_t *)fnode_param->value; 82071e9e2be3SAdheer Chandravanshi break; 82081e9e2be3SAdheer Chandravanshi case ISCSI_FLASHNODE_PORT: 82091e9e2be3SAdheer Chandravanshi fnode_conn->port = *(uint16_t *)fnode_param->value; 82101e9e2be3SAdheer Chandravanshi break; 82111e9e2be3SAdheer Chandravanshi case ISCSI_FLASHNODE_MAX_BURST: 82121e9e2be3SAdheer Chandravanshi fnode_sess->max_burst = *(unsigned *)fnode_param->value; 82131e9e2be3SAdheer Chandravanshi break; 82141e9e2be3SAdheer Chandravanshi case ISCSI_FLASHNODE_DEF_TASKMGMT_TMO: 82151e9e2be3SAdheer Chandravanshi fnode_sess->default_taskmgmt_timeout = 82161e9e2be3SAdheer Chandravanshi *(uint16_t *)fnode_param->value; 82171e9e2be3SAdheer Chandravanshi break; 82181e9e2be3SAdheer Chandravanshi case ISCSI_FLASHNODE_IPADDR: 82191e9e2be3SAdheer Chandravanshi memcpy(fnode_conn->ipaddress, fnode_param->value, 82201e9e2be3SAdheer Chandravanshi IPv6_ADDR_LEN); 82211e9e2be3SAdheer Chandravanshi break; 82221e9e2be3SAdheer Chandravanshi case ISCSI_FLASHNODE_ALIAS: 82231e9e2be3SAdheer Chandravanshi rc = iscsi_switch_str_param(&fnode_sess->targetalias, 82241e9e2be3SAdheer Chandravanshi (char *)fnode_param->value); 82251e9e2be3SAdheer Chandravanshi break; 82261e9e2be3SAdheer Chandravanshi case ISCSI_FLASHNODE_REDIRECT_IPADDR: 82271e9e2be3SAdheer Chandravanshi memcpy(fnode_conn->redirect_ipaddr, fnode_param->value, 82281e9e2be3SAdheer Chandravanshi IPv6_ADDR_LEN); 82291e9e2be3SAdheer Chandravanshi break; 82301e9e2be3SAdheer Chandravanshi case ISCSI_FLASHNODE_MAX_SEGMENT_SIZE: 82311e9e2be3SAdheer Chandravanshi fnode_conn->max_segment_size = 82321e9e2be3SAdheer Chandravanshi *(unsigned *)fnode_param->value; 82331e9e2be3SAdheer Chandravanshi break; 82341e9e2be3SAdheer Chandravanshi case ISCSI_FLASHNODE_LOCAL_PORT: 82351e9e2be3SAdheer Chandravanshi fnode_conn->local_port = 82361e9e2be3SAdheer Chandravanshi *(uint16_t *)fnode_param->value; 82371e9e2be3SAdheer Chandravanshi break; 82381e9e2be3SAdheer Chandravanshi case ISCSI_FLASHNODE_IPV4_TOS: 82391e9e2be3SAdheer Chandravanshi fnode_conn->ipv4_tos = fnode_param->value[0]; 82401e9e2be3SAdheer Chandravanshi break; 82411e9e2be3SAdheer Chandravanshi case ISCSI_FLASHNODE_IPV6_TC: 82421e9e2be3SAdheer Chandravanshi fnode_conn->ipv6_traffic_class = fnode_param->value[0]; 82431e9e2be3SAdheer Chandravanshi break; 82441e9e2be3SAdheer Chandravanshi case ISCSI_FLASHNODE_IPV6_FLOW_LABEL: 82451e9e2be3SAdheer Chandravanshi fnode_conn->ipv6_flow_label = fnode_param->value[0]; 82461e9e2be3SAdheer Chandravanshi break; 82471e9e2be3SAdheer Chandravanshi case ISCSI_FLASHNODE_NAME: 82481e9e2be3SAdheer Chandravanshi rc = iscsi_switch_str_param(&fnode_sess->targetname, 82491e9e2be3SAdheer Chandravanshi (char *)fnode_param->value); 82501e9e2be3SAdheer Chandravanshi break; 82511e9e2be3SAdheer Chandravanshi case ISCSI_FLASHNODE_TPGT: 82521e9e2be3SAdheer Chandravanshi fnode_sess->tpgt = *(uint16_t *)fnode_param->value; 82531e9e2be3SAdheer Chandravanshi break; 82541e9e2be3SAdheer Chandravanshi case ISCSI_FLASHNODE_LINK_LOCAL_IPV6: 82551e9e2be3SAdheer Chandravanshi memcpy(fnode_conn->link_local_ipv6_addr, 82561e9e2be3SAdheer Chandravanshi fnode_param->value, IPv6_ADDR_LEN); 82571e9e2be3SAdheer Chandravanshi break; 825865560166SAdheer Chandravanshi case ISCSI_FLASHNODE_DISCOVERY_PARENT_IDX: 825965560166SAdheer Chandravanshi fnode_sess->discovery_parent_idx = 82601e9e2be3SAdheer Chandravanshi *(uint16_t *)fnode_param->value; 82611e9e2be3SAdheer Chandravanshi break; 82621e9e2be3SAdheer Chandravanshi case ISCSI_FLASHNODE_TCP_XMIT_WSF: 82631e9e2be3SAdheer Chandravanshi fnode_conn->tcp_xmit_wsf = 82641e9e2be3SAdheer Chandravanshi *(uint8_t *)fnode_param->value; 82651e9e2be3SAdheer Chandravanshi break; 82661e9e2be3SAdheer Chandravanshi case ISCSI_FLASHNODE_TCP_RECV_WSF: 82671e9e2be3SAdheer Chandravanshi fnode_conn->tcp_recv_wsf = 82681e9e2be3SAdheer Chandravanshi *(uint8_t *)fnode_param->value; 82691e9e2be3SAdheer Chandravanshi break; 82701e9e2be3SAdheer Chandravanshi case ISCSI_FLASHNODE_STATSN: 82711e9e2be3SAdheer Chandravanshi fnode_conn->statsn = *(uint32_t *)fnode_param->value; 82721e9e2be3SAdheer Chandravanshi break; 82731e9e2be3SAdheer Chandravanshi case ISCSI_FLASHNODE_EXP_STATSN: 82741e9e2be3SAdheer Chandravanshi fnode_conn->exp_statsn = 82751e9e2be3SAdheer Chandravanshi *(uint32_t *)fnode_param->value; 82761e9e2be3SAdheer Chandravanshi break; 8277244c079bSAdheer Chandravanshi case ISCSI_FLASHNODE_CHAP_OUT_IDX: 8278244c079bSAdheer Chandravanshi chap_out_idx = *(uint16_t *)fnode_param->value; 8279244c079bSAdheer Chandravanshi if (!qla4xxx_get_uni_chap_at_index(ha, 8280244c079bSAdheer Chandravanshi chap_tbl.name, 8281244c079bSAdheer Chandravanshi chap_tbl.secret, 8282244c079bSAdheer Chandravanshi chap_out_idx)) { 8283244c079bSAdheer Chandravanshi fnode_sess->chap_out_idx = chap_out_idx; 8284244c079bSAdheer Chandravanshi /* Enable chap auth if chap index is valid */ 8285244c079bSAdheer Chandravanshi fnode_sess->chap_auth_en = QL4_PARAM_ENABLE; 8286244c079bSAdheer Chandravanshi } 8287244c079bSAdheer Chandravanshi break; 82881e9e2be3SAdheer Chandravanshi default: 82891e9e2be3SAdheer Chandravanshi ql4_printk(KERN_ERR, ha, 82901e9e2be3SAdheer Chandravanshi "%s: No such sysfs attribute\n", __func__); 82911e9e2be3SAdheer Chandravanshi rc = -ENOSYS; 82921e9e2be3SAdheer Chandravanshi goto exit_set_param; 82931e9e2be3SAdheer Chandravanshi } 82941e9e2be3SAdheer Chandravanshi } 82951e9e2be3SAdheer Chandravanshi 82961e9e2be3SAdheer Chandravanshi rc = qla4xxx_sysfs_ddb_apply(fnode_sess, fnode_conn); 82971e9e2be3SAdheer Chandravanshi 82981e9e2be3SAdheer Chandravanshi exit_set_param: 82991e9e2be3SAdheer Chandravanshi return rc; 83001e9e2be3SAdheer Chandravanshi } 83011e9e2be3SAdheer Chandravanshi 83021e9e2be3SAdheer Chandravanshi /** 83031e9e2be3SAdheer Chandravanshi * qla4xxx_sysfs_ddb_delete - Delete firmware DDB entry 83041e9e2be3SAdheer Chandravanshi * @fnode_sess: pointer to session attrs of flash ddb entry 83051e9e2be3SAdheer Chandravanshi * 83061e9e2be3SAdheer Chandravanshi * This invalidates the flash ddb entry at the given index 83071e9e2be3SAdheer Chandravanshi **/ 83081e9e2be3SAdheer Chandravanshi static int qla4xxx_sysfs_ddb_delete(struct iscsi_bus_flash_session *fnode_sess) 83091e9e2be3SAdheer Chandravanshi { 83101e9e2be3SAdheer Chandravanshi struct Scsi_Host *shost = iscsi_flash_session_to_shost(fnode_sess); 83111e9e2be3SAdheer Chandravanshi struct scsi_qla_host *ha = to_qla_host(shost); 83121e9e2be3SAdheer Chandravanshi uint32_t dev_db_start_offset; 83131e9e2be3SAdheer Chandravanshi uint32_t dev_db_end_offset; 83141e9e2be3SAdheer Chandravanshi struct dev_db_entry *fw_ddb_entry = NULL; 83151e9e2be3SAdheer Chandravanshi dma_addr_t fw_ddb_entry_dma; 83161e9e2be3SAdheer Chandravanshi uint16_t *ddb_cookie = NULL; 8317b6130ceaSVikas Chaudhary size_t ddb_size = 0; 8318039acc1eSAdheer Chandravanshi void *pddb = NULL; 83191e9e2be3SAdheer Chandravanshi int target_id; 83201e9e2be3SAdheer Chandravanshi int rc = 0; 83211e9e2be3SAdheer Chandravanshi 83221e9e2be3SAdheer Chandravanshi if (fnode_sess->is_boot_target) { 83231e9e2be3SAdheer Chandravanshi rc = -EPERM; 83241e9e2be3SAdheer Chandravanshi DEBUG2(ql4_printk(KERN_ERR, ha, 83251e9e2be3SAdheer Chandravanshi "%s: Deletion of boot target entry is not permitted.\n", 83261e9e2be3SAdheer Chandravanshi __func__)); 83271e9e2be3SAdheer Chandravanshi goto exit_ddb_del; 83281e9e2be3SAdheer Chandravanshi } 83291e9e2be3SAdheer Chandravanshi 83301e9e2be3SAdheer Chandravanshi if (fnode_sess->flash_state == DEV_DB_NON_PERSISTENT) 83311e9e2be3SAdheer Chandravanshi goto sysfs_ddb_del; 83321e9e2be3SAdheer Chandravanshi 83331e9e2be3SAdheer Chandravanshi if (is_qla40XX(ha)) { 83341e9e2be3SAdheer Chandravanshi dev_db_start_offset = FLASH_OFFSET_DB_INFO; 8335039acc1eSAdheer Chandravanshi dev_db_end_offset = FLASH_OFFSET_DB_END; 8336039acc1eSAdheer Chandravanshi dev_db_start_offset += (fnode_sess->target_id * 8337039acc1eSAdheer Chandravanshi sizeof(*fw_ddb_entry)); 8338039acc1eSAdheer Chandravanshi ddb_size = sizeof(*fw_ddb_entry); 83391e9e2be3SAdheer Chandravanshi } else { 83401e9e2be3SAdheer Chandravanshi dev_db_start_offset = FLASH_RAW_ACCESS_ADDR + 83411e9e2be3SAdheer Chandravanshi (ha->hw.flt_region_ddb << 2); 83421e9e2be3SAdheer Chandravanshi /* flt_ddb_size is DDB table size for both ports 83431e9e2be3SAdheer Chandravanshi * so divide it by 2 to calculate the offset for second port 83441e9e2be3SAdheer Chandravanshi */ 83451e9e2be3SAdheer Chandravanshi if (ha->port_num == 1) 83461e9e2be3SAdheer Chandravanshi dev_db_start_offset += (ha->hw.flt_ddb_size / 2); 83471e9e2be3SAdheer Chandravanshi 8348039acc1eSAdheer Chandravanshi dev_db_end_offset = dev_db_start_offset + 8349039acc1eSAdheer Chandravanshi (ha->hw.flt_ddb_size / 2); 8350039acc1eSAdheer Chandravanshi 8351039acc1eSAdheer Chandravanshi dev_db_start_offset += (fnode_sess->target_id * 8352039acc1eSAdheer Chandravanshi sizeof(*fw_ddb_entry)); 83531bcb5619SAdheer Chandravanshi dev_db_start_offset += offsetof(struct dev_db_entry, cookie); 83541e9e2be3SAdheer Chandravanshi 8355039acc1eSAdheer Chandravanshi ddb_size = sizeof(*ddb_cookie); 8356039acc1eSAdheer Chandravanshi } 8357039acc1eSAdheer Chandravanshi 83581e9e2be3SAdheer Chandravanshi DEBUG2(ql4_printk(KERN_ERR, ha, "%s: start offset=%u, end offset=%u\n", 83591e9e2be3SAdheer Chandravanshi __func__, dev_db_start_offset, dev_db_end_offset)); 83601e9e2be3SAdheer Chandravanshi 83611e9e2be3SAdheer Chandravanshi if (dev_db_start_offset > dev_db_end_offset) { 83621e9e2be3SAdheer Chandravanshi rc = -EIO; 83631e9e2be3SAdheer Chandravanshi DEBUG2(ql4_printk(KERN_ERR, ha, "%s:Invalid DDB index %u\n", 83641e9e2be3SAdheer Chandravanshi __func__, fnode_sess->target_id)); 83651e9e2be3SAdheer Chandravanshi goto exit_ddb_del; 83661e9e2be3SAdheer Chandravanshi } 83671e9e2be3SAdheer Chandravanshi 8368039acc1eSAdheer Chandravanshi pddb = dma_alloc_coherent(&ha->pdev->dev, ddb_size, 8369039acc1eSAdheer Chandravanshi &fw_ddb_entry_dma, GFP_KERNEL); 8370039acc1eSAdheer Chandravanshi if (!pddb) { 8371039acc1eSAdheer Chandravanshi rc = -ENOMEM; 8372039acc1eSAdheer Chandravanshi DEBUG2(ql4_printk(KERN_ERR, ha, 8373039acc1eSAdheer Chandravanshi "%s: Unable to allocate dma buffer\n", 8374039acc1eSAdheer Chandravanshi __func__)); 8375039acc1eSAdheer Chandravanshi goto exit_ddb_del; 8376039acc1eSAdheer Chandravanshi } 8377039acc1eSAdheer Chandravanshi 8378039acc1eSAdheer Chandravanshi if (is_qla40XX(ha)) { 8379039acc1eSAdheer Chandravanshi fw_ddb_entry = pddb; 8380039acc1eSAdheer Chandravanshi memset(fw_ddb_entry, 0, ddb_size); 8381039acc1eSAdheer Chandravanshi ddb_cookie = &fw_ddb_entry->cookie; 8382039acc1eSAdheer Chandravanshi } else { 8383039acc1eSAdheer Chandravanshi ddb_cookie = pddb; 8384039acc1eSAdheer Chandravanshi } 8385039acc1eSAdheer Chandravanshi 83861e9e2be3SAdheer Chandravanshi /* invalidate the cookie */ 83871e9e2be3SAdheer Chandravanshi *ddb_cookie = 0xFFEE; 83881e9e2be3SAdheer Chandravanshi qla4xxx_set_flash(ha, fw_ddb_entry_dma, dev_db_start_offset, 8389039acc1eSAdheer Chandravanshi ddb_size, FLASH_OPT_RMW_COMMIT); 83901e9e2be3SAdheer Chandravanshi 83911e9e2be3SAdheer Chandravanshi sysfs_ddb_del: 83921e9e2be3SAdheer Chandravanshi target_id = fnode_sess->target_id; 83931e9e2be3SAdheer Chandravanshi iscsi_destroy_flashnode_sess(fnode_sess); 83941e9e2be3SAdheer Chandravanshi ql4_printk(KERN_INFO, ha, 83951e9e2be3SAdheer Chandravanshi "%s: session and conn entries for flashnode %u of host %lu deleted\n", 83961e9e2be3SAdheer Chandravanshi __func__, target_id, ha->host_no); 83971e9e2be3SAdheer Chandravanshi exit_ddb_del: 8398039acc1eSAdheer Chandravanshi if (pddb) 8399039acc1eSAdheer Chandravanshi dma_free_coherent(&ha->pdev->dev, ddb_size, pddb, 8400039acc1eSAdheer Chandravanshi fw_ddb_entry_dma); 84011e9e2be3SAdheer Chandravanshi return rc; 84021e9e2be3SAdheer Chandravanshi } 84031e9e2be3SAdheer Chandravanshi 84041e9e2be3SAdheer Chandravanshi /** 84051e9e2be3SAdheer Chandravanshi * qla4xxx_sysfs_ddb_export - Create sysfs entries for firmware DDBs 84061e9e2be3SAdheer Chandravanshi * @ha: pointer to adapter structure 84071e9e2be3SAdheer Chandravanshi * 84081e9e2be3SAdheer Chandravanshi * Export the firmware DDB for all send targets and normal targets to sysfs. 84091e9e2be3SAdheer Chandravanshi **/ 8410906cbf3dSNilesh Javali int qla4xxx_sysfs_ddb_export(struct scsi_qla_host *ha) 84111e9e2be3SAdheer Chandravanshi { 84121e9e2be3SAdheer Chandravanshi struct dev_db_entry *fw_ddb_entry = NULL; 84131e9e2be3SAdheer Chandravanshi dma_addr_t fw_ddb_entry_dma; 84141e9e2be3SAdheer Chandravanshi uint16_t max_ddbs; 84151e9e2be3SAdheer Chandravanshi uint16_t idx = 0; 84161e9e2be3SAdheer Chandravanshi int ret = QLA_SUCCESS; 84171e9e2be3SAdheer Chandravanshi 84181e9e2be3SAdheer Chandravanshi fw_ddb_entry = dma_alloc_coherent(&ha->pdev->dev, 84191e9e2be3SAdheer Chandravanshi sizeof(*fw_ddb_entry), 84201e9e2be3SAdheer Chandravanshi &fw_ddb_entry_dma, GFP_KERNEL); 84211e9e2be3SAdheer Chandravanshi if (!fw_ddb_entry) { 84221e9e2be3SAdheer Chandravanshi DEBUG2(ql4_printk(KERN_ERR, ha, 84231e9e2be3SAdheer Chandravanshi "%s: Unable to allocate dma buffer\n", 84241e9e2be3SAdheer Chandravanshi __func__)); 84251e9e2be3SAdheer Chandravanshi return -ENOMEM; 84261e9e2be3SAdheer Chandravanshi } 84271e9e2be3SAdheer Chandravanshi 8428a957a7d7SAdheer Chandravanshi max_ddbs = is_qla40XX(ha) ? MAX_PRST_DEV_DB_ENTRIES : 84291e9e2be3SAdheer Chandravanshi MAX_DEV_DB_ENTRIES; 84301e9e2be3SAdheer Chandravanshi 84311e9e2be3SAdheer Chandravanshi for (idx = 0; idx < max_ddbs; idx++) { 84321e9e2be3SAdheer Chandravanshi if (qla4xxx_flashdb_by_index(ha, fw_ddb_entry, fw_ddb_entry_dma, 84331e9e2be3SAdheer Chandravanshi idx)) 84341e9e2be3SAdheer Chandravanshi continue; 84351e9e2be3SAdheer Chandravanshi 84361e9e2be3SAdheer Chandravanshi ret = qla4xxx_sysfs_ddb_tgt_create(ha, fw_ddb_entry, &idx, 0); 84371e9e2be3SAdheer Chandravanshi if (ret) { 84381e9e2be3SAdheer Chandravanshi ret = -EIO; 84391e9e2be3SAdheer Chandravanshi break; 84401e9e2be3SAdheer Chandravanshi } 84411e9e2be3SAdheer Chandravanshi } 84421e9e2be3SAdheer Chandravanshi 84431e9e2be3SAdheer Chandravanshi dma_free_coherent(&ha->pdev->dev, sizeof(*fw_ddb_entry), fw_ddb_entry, 84441e9e2be3SAdheer Chandravanshi fw_ddb_entry_dma); 84451e9e2be3SAdheer Chandravanshi 84461e9e2be3SAdheer Chandravanshi return ret; 84471e9e2be3SAdheer Chandravanshi } 84481e9e2be3SAdheer Chandravanshi 84491e9e2be3SAdheer Chandravanshi static void qla4xxx_sysfs_ddb_remove(struct scsi_qla_host *ha) 84501e9e2be3SAdheer Chandravanshi { 84511e9e2be3SAdheer Chandravanshi iscsi_destroy_all_flashnode(ha->host); 84521e9e2be3SAdheer Chandravanshi } 84531e9e2be3SAdheer Chandravanshi 84544a4bc2e9SLalit Chandivade /** 84554a4bc2e9SLalit Chandivade * qla4xxx_build_ddb_list - Build ddb list and setup sessions 84564a4bc2e9SLalit Chandivade * @ha: pointer to adapter structure 84574a4bc2e9SLalit Chandivade * @is_reset: Is this init path or reset path 84584a4bc2e9SLalit Chandivade * 84594a4bc2e9SLalit Chandivade * Create a list of sendtargets (st) from firmware DDBs, issue send targets 84604a4bc2e9SLalit Chandivade * using connection open, then create the list of normal targets (nt) 84614a4bc2e9SLalit Chandivade * from firmware DDBs. Based on the list of nt setup session and connection 84624a4bc2e9SLalit Chandivade * objects. 84634a4bc2e9SLalit Chandivade **/ 84644a4bc2e9SLalit Chandivade void qla4xxx_build_ddb_list(struct scsi_qla_host *ha, int is_reset) 84654a4bc2e9SLalit Chandivade { 84664a4bc2e9SLalit Chandivade uint16_t tmo = 0; 84674a4bc2e9SLalit Chandivade struct list_head list_st, list_nt; 84684a4bc2e9SLalit Chandivade struct qla_ddb_index *st_ddb_idx, *st_ddb_idx_tmp; 84694a4bc2e9SLalit Chandivade unsigned long wtime; 84704a4bc2e9SLalit Chandivade 84714a4bc2e9SLalit Chandivade if (!test_bit(AF_LINK_UP, &ha->flags)) { 84724a4bc2e9SLalit Chandivade set_bit(AF_BUILD_DDB_LIST, &ha->flags); 84734a4bc2e9SLalit Chandivade ha->is_reset = is_reset; 84744a4bc2e9SLalit Chandivade return; 84754a4bc2e9SLalit Chandivade } 84764a4bc2e9SLalit Chandivade 84774a4bc2e9SLalit Chandivade INIT_LIST_HEAD(&list_st); 84784a4bc2e9SLalit Chandivade INIT_LIST_HEAD(&list_nt); 84794a4bc2e9SLalit Chandivade 84804a4bc2e9SLalit Chandivade qla4xxx_build_st_list(ha, &list_st); 84814a4bc2e9SLalit Chandivade 848213483730SMike Christie /* Before issuing conn open mbox, ensure all IPs states are configured 848313483730SMike Christie * Note, conn open fails if IPs are not configured 848413483730SMike Christie */ 848513483730SMike Christie qla4xxx_wait_for_ip_configuration(ha); 848613483730SMike Christie 848713483730SMike Christie /* Go thru the STs and fire the sendtargets by issuing conn open mbx */ 848813483730SMike Christie list_for_each_entry_safe(st_ddb_idx, st_ddb_idx_tmp, &list_st, list) { 848913483730SMike Christie qla4xxx_conn_open(ha, st_ddb_idx->fw_ddb_idx); 849013483730SMike Christie } 849113483730SMike Christie 849213483730SMike Christie /* Wait to ensure all sendtargets are done for min 12 sec wait */ 8493c28eaacaSNilesh Javali tmo = ((ha->def_timeout > LOGIN_TOV) && 8494c28eaacaSNilesh Javali (ha->def_timeout < LOGIN_TOV * 10) ? 8495c28eaacaSNilesh Javali ha->def_timeout : LOGIN_TOV); 8496c28eaacaSNilesh Javali 849713483730SMike Christie DEBUG2(ql4_printk(KERN_INFO, ha, 849813483730SMike Christie "Default time to wait for build ddb %d\n", tmo)); 849913483730SMike Christie 850013483730SMike Christie wtime = jiffies + (HZ * tmo); 850113483730SMike Christie do { 8502f1f2e60eSNilesh Javali if (list_empty(&list_st)) 8503f1f2e60eSNilesh Javali break; 8504f1f2e60eSNilesh Javali 85054a4bc2e9SLalit Chandivade qla4xxx_remove_failed_ddb(ha, &list_st); 850613483730SMike Christie schedule_timeout_uninterruptible(HZ / 10); 850713483730SMike Christie } while (time_after(wtime, jiffies)); 850813483730SMike Christie 8509ad8bd45eSManish Rangankar 8510ad8bd45eSManish Rangankar qla4xxx_build_nt_list(ha, &list_nt, &list_st, is_reset); 8511ad8bd45eSManish Rangankar 85124a4bc2e9SLalit Chandivade qla4xxx_free_ddb_list(&list_st); 85134a4bc2e9SLalit Chandivade qla4xxx_free_ddb_list(&list_nt); 851413483730SMike Christie 851513483730SMike Christie qla4xxx_free_ddb_index(ha); 851613483730SMike Christie } 851713483730SMike Christie 8518afaf5a2dSDavid Somayajulu /** 85191dc8ed5dSManish Rangankar * qla4xxx_wait_login_resp_boot_tgt - Wait for iSCSI boot target login 85201dc8ed5dSManish Rangankar * response. 85211dc8ed5dSManish Rangankar * @ha: pointer to adapter structure 85221dc8ed5dSManish Rangankar * 85231dc8ed5dSManish Rangankar * When the boot entry is normal iSCSI target then DF_BOOT_TGT flag will be 85241dc8ed5dSManish Rangankar * set in DDB and we will wait for login response of boot targets during 85251dc8ed5dSManish Rangankar * probe. 85261dc8ed5dSManish Rangankar **/ 85271dc8ed5dSManish Rangankar static void qla4xxx_wait_login_resp_boot_tgt(struct scsi_qla_host *ha) 85281dc8ed5dSManish Rangankar { 85291dc8ed5dSManish Rangankar struct ddb_entry *ddb_entry; 85301dc8ed5dSManish Rangankar struct dev_db_entry *fw_ddb_entry = NULL; 85311dc8ed5dSManish Rangankar dma_addr_t fw_ddb_entry_dma; 85321dc8ed5dSManish Rangankar unsigned long wtime; 85331dc8ed5dSManish Rangankar uint32_t ddb_state; 85341dc8ed5dSManish Rangankar int max_ddbs, idx, ret; 85351dc8ed5dSManish Rangankar 85361dc8ed5dSManish Rangankar max_ddbs = is_qla40XX(ha) ? MAX_DEV_DB_ENTRIES_40XX : 85371dc8ed5dSManish Rangankar MAX_DEV_DB_ENTRIES; 85381dc8ed5dSManish Rangankar 85391dc8ed5dSManish Rangankar fw_ddb_entry = dma_alloc_coherent(&ha->pdev->dev, sizeof(*fw_ddb_entry), 85401dc8ed5dSManish Rangankar &fw_ddb_entry_dma, GFP_KERNEL); 85411dc8ed5dSManish Rangankar if (!fw_ddb_entry) { 85421dc8ed5dSManish Rangankar ql4_printk(KERN_ERR, ha, 85431dc8ed5dSManish Rangankar "%s: Unable to allocate dma buffer\n", __func__); 85441dc8ed5dSManish Rangankar goto exit_login_resp; 85451dc8ed5dSManish Rangankar } 85461dc8ed5dSManish Rangankar 85471dc8ed5dSManish Rangankar wtime = jiffies + (HZ * BOOT_LOGIN_RESP_TOV); 85481dc8ed5dSManish Rangankar 85491dc8ed5dSManish Rangankar for (idx = 0; idx < max_ddbs; idx++) { 85501dc8ed5dSManish Rangankar ddb_entry = qla4xxx_lookup_ddb_by_fw_index(ha, idx); 85511dc8ed5dSManish Rangankar if (ddb_entry == NULL) 85521dc8ed5dSManish Rangankar continue; 85531dc8ed5dSManish Rangankar 85541dc8ed5dSManish Rangankar if (test_bit(DF_BOOT_TGT, &ddb_entry->flags)) { 85551dc8ed5dSManish Rangankar DEBUG2(ql4_printk(KERN_INFO, ha, 85561dc8ed5dSManish Rangankar "%s: DDB index [%d]\n", __func__, 85571dc8ed5dSManish Rangankar ddb_entry->fw_ddb_index)); 85581dc8ed5dSManish Rangankar do { 85591dc8ed5dSManish Rangankar ret = qla4xxx_get_fwddb_entry(ha, 85601dc8ed5dSManish Rangankar ddb_entry->fw_ddb_index, 85611dc8ed5dSManish Rangankar fw_ddb_entry, fw_ddb_entry_dma, 85621dc8ed5dSManish Rangankar NULL, NULL, &ddb_state, NULL, 85631dc8ed5dSManish Rangankar NULL, NULL); 85641dc8ed5dSManish Rangankar if (ret == QLA_ERROR) 85651dc8ed5dSManish Rangankar goto exit_login_resp; 85661dc8ed5dSManish Rangankar 85671dc8ed5dSManish Rangankar if ((ddb_state == DDB_DS_SESSION_ACTIVE) || 85681dc8ed5dSManish Rangankar (ddb_state == DDB_DS_SESSION_FAILED)) 85691dc8ed5dSManish Rangankar break; 85701dc8ed5dSManish Rangankar 85711dc8ed5dSManish Rangankar schedule_timeout_uninterruptible(HZ); 85721dc8ed5dSManish Rangankar 85731dc8ed5dSManish Rangankar } while ((time_after(wtime, jiffies))); 85741dc8ed5dSManish Rangankar 85751dc8ed5dSManish Rangankar if (!time_after(wtime, jiffies)) { 85761dc8ed5dSManish Rangankar DEBUG2(ql4_printk(KERN_INFO, ha, 85771dc8ed5dSManish Rangankar "%s: Login response wait timer expired\n", 85781dc8ed5dSManish Rangankar __func__)); 85791dc8ed5dSManish Rangankar goto exit_login_resp; 85801dc8ed5dSManish Rangankar } 85811dc8ed5dSManish Rangankar } 85821dc8ed5dSManish Rangankar } 85831dc8ed5dSManish Rangankar 85841dc8ed5dSManish Rangankar exit_login_resp: 85851dc8ed5dSManish Rangankar if (fw_ddb_entry) 85861dc8ed5dSManish Rangankar dma_free_coherent(&ha->pdev->dev, sizeof(*fw_ddb_entry), 85871dc8ed5dSManish Rangankar fw_ddb_entry, fw_ddb_entry_dma); 85881dc8ed5dSManish Rangankar } 85891dc8ed5dSManish Rangankar 85901dc8ed5dSManish Rangankar /** 8591afaf5a2dSDavid Somayajulu * qla4xxx_probe_adapter - callback function to probe HBA 8592afaf5a2dSDavid Somayajulu * @pdev: pointer to pci_dev structure 8593afaf5a2dSDavid Somayajulu * @pci_device_id: pointer to pci_device entry 8594afaf5a2dSDavid Somayajulu * 8595afaf5a2dSDavid Somayajulu * This routine will probe for Qlogic 4xxx iSCSI host adapters. 8596afaf5a2dSDavid Somayajulu * It returns zero if successful. It also initializes all data necessary for 8597afaf5a2dSDavid Somayajulu * the driver. 8598afaf5a2dSDavid Somayajulu **/ 85996f039790SGreg Kroah-Hartman static int qla4xxx_probe_adapter(struct pci_dev *pdev, 8600afaf5a2dSDavid Somayajulu const struct pci_device_id *ent) 8601afaf5a2dSDavid Somayajulu { 8602afaf5a2dSDavid Somayajulu int ret = -ENODEV, status; 8603afaf5a2dSDavid Somayajulu struct Scsi_Host *host; 8604afaf5a2dSDavid Somayajulu struct scsi_qla_host *ha; 8605afaf5a2dSDavid Somayajulu uint8_t init_retry_count = 0; 8606afaf5a2dSDavid Somayajulu char buf[34]; 8607f4f5df23SVikas Chaudhary struct qla4_8xxx_legacy_intr_set *nx_legacy_intr; 8608f9880e76SPrasanna Mumbai uint32_t dev_state; 8609afaf5a2dSDavid Somayajulu 8610afaf5a2dSDavid Somayajulu if (pci_enable_device(pdev)) 8611afaf5a2dSDavid Somayajulu return -1; 8612afaf5a2dSDavid Somayajulu 8613b3a271a9SManish Rangankar host = iscsi_host_alloc(&qla4xxx_driver_template, sizeof(*ha), 0); 8614afaf5a2dSDavid Somayajulu if (host == NULL) { 8615afaf5a2dSDavid Somayajulu printk(KERN_WARNING 8616afaf5a2dSDavid Somayajulu "qla4xxx: Couldn't allocate host from scsi layer!\n"); 8617afaf5a2dSDavid Somayajulu goto probe_disable_device; 8618afaf5a2dSDavid Somayajulu } 8619afaf5a2dSDavid Somayajulu 8620afaf5a2dSDavid Somayajulu /* Clear our data area */ 8621b3a271a9SManish Rangankar ha = to_qla_host(host); 8622afaf5a2dSDavid Somayajulu memset(ha, 0, sizeof(*ha)); 8623afaf5a2dSDavid Somayajulu 8624afaf5a2dSDavid Somayajulu /* Save the information from PCI BIOS. */ 8625afaf5a2dSDavid Somayajulu ha->pdev = pdev; 8626afaf5a2dSDavid Somayajulu ha->host = host; 8627afaf5a2dSDavid Somayajulu ha->host_no = host->host_no; 86286e7b4292SVikas Chaudhary ha->func_num = PCI_FUNC(ha->pdev->devfn); 8629afaf5a2dSDavid Somayajulu 86302232be0dSLalit Chandivade pci_enable_pcie_error_reporting(pdev); 86312232be0dSLalit Chandivade 8632f4f5df23SVikas Chaudhary /* Setup Runtime configurable options */ 8633f4f5df23SVikas Chaudhary if (is_qla8022(ha)) { 86347664a1fdSVikas Chaudhary ha->isp_ops = &qla4_82xx_isp_ops; 863533693c7aSVikas Chaudhary ha->reg_tbl = (uint32_t *) qla4_82xx_reg_tbl; 8636f4f5df23SVikas Chaudhary ha->qdr_sn_window = -1; 8637f4f5df23SVikas Chaudhary ha->ddr_mn_window = -1; 8638f4f5df23SVikas Chaudhary ha->curr_window = 255; 8639f4f5df23SVikas Chaudhary nx_legacy_intr = &legacy_intr[ha->func_num]; 8640f4f5df23SVikas Chaudhary ha->nx_legacy_intr.int_vec_bit = nx_legacy_intr->int_vec_bit; 8641f4f5df23SVikas Chaudhary ha->nx_legacy_intr.tgt_status_reg = 8642f4f5df23SVikas Chaudhary nx_legacy_intr->tgt_status_reg; 8643f4f5df23SVikas Chaudhary ha->nx_legacy_intr.tgt_mask_reg = nx_legacy_intr->tgt_mask_reg; 8644f4f5df23SVikas Chaudhary ha->nx_legacy_intr.pci_int_reg = nx_legacy_intr->pci_int_reg; 8645b37ca418SVikas Chaudhary } else if (is_qla8032(ha) || is_qla8042(ha)) { 86466e7b4292SVikas Chaudhary ha->isp_ops = &qla4_83xx_isp_ops; 86476e7b4292SVikas Chaudhary ha->reg_tbl = (uint32_t *)qla4_83xx_reg_tbl; 8648f4f5df23SVikas Chaudhary } else { 8649f4f5df23SVikas Chaudhary ha->isp_ops = &qla4xxx_isp_ops; 8650f4f5df23SVikas Chaudhary } 8651f4f5df23SVikas Chaudhary 86526e7b4292SVikas Chaudhary if (is_qla80XX(ha)) { 86536e7b4292SVikas Chaudhary rwlock_init(&ha->hw_lock); 86546e7b4292SVikas Chaudhary ha->pf_bit = ha->func_num << 16; 86552232be0dSLalit Chandivade /* Set EEH reset type to fundamental if required by hba */ 86562232be0dSLalit Chandivade pdev->needs_freset = 1; 86576e7b4292SVikas Chaudhary } 86582232be0dSLalit Chandivade 8659afaf5a2dSDavid Somayajulu /* Configure PCI I/O space. */ 8660f4f5df23SVikas Chaudhary ret = ha->isp_ops->iospace_config(ha); 8661afaf5a2dSDavid Somayajulu if (ret) 8662f4f5df23SVikas Chaudhary goto probe_failed_ioconfig; 8663afaf5a2dSDavid Somayajulu 8664c2660df3SVikas Chaudhary ql4_printk(KERN_INFO, ha, "Found an ISP%04x, irq %d, iobase 0x%p\n", 8665afaf5a2dSDavid Somayajulu pdev->device, pdev->irq, ha->reg); 8666afaf5a2dSDavid Somayajulu 8667afaf5a2dSDavid Somayajulu qla4xxx_config_dma_addressing(ha); 8668afaf5a2dSDavid Somayajulu 8669afaf5a2dSDavid Somayajulu /* Initialize lists and spinlocks. */ 8670afaf5a2dSDavid Somayajulu INIT_LIST_HEAD(&ha->free_srb_q); 8671afaf5a2dSDavid Somayajulu 8672afaf5a2dSDavid Somayajulu mutex_init(&ha->mbox_sem); 86734549415aSLalit Chandivade mutex_init(&ha->chap_sem); 8674f4f5df23SVikas Chaudhary init_completion(&ha->mbx_intr_comp); 867595d31262SVikas Chaudhary init_completion(&ha->disable_acb_comp); 8676df86f771SVikas Chaudhary init_completion(&ha->idc_comp); 8677df86f771SVikas Chaudhary init_completion(&ha->link_up_comp); 8678afaf5a2dSDavid Somayajulu 8679afaf5a2dSDavid Somayajulu spin_lock_init(&ha->hardware_lock); 86808e9157c8SVikas Chaudhary spin_lock_init(&ha->work_lock); 8681afaf5a2dSDavid Somayajulu 8682ff884430SVikas Chaudhary /* Initialize work list */ 8683ff884430SVikas Chaudhary INIT_LIST_HEAD(&ha->work_list); 8684ff884430SVikas Chaudhary 8685afaf5a2dSDavid Somayajulu /* Allocate dma buffers */ 8686afaf5a2dSDavid Somayajulu if (qla4xxx_mem_alloc(ha)) { 8687c2660df3SVikas Chaudhary ql4_printk(KERN_WARNING, ha, 8688afaf5a2dSDavid Somayajulu "[ERROR] Failed to allocate memory for adapter\n"); 8689afaf5a2dSDavid Somayajulu 8690afaf5a2dSDavid Somayajulu ret = -ENOMEM; 8691afaf5a2dSDavid Somayajulu goto probe_failed; 8692afaf5a2dSDavid Somayajulu } 8693afaf5a2dSDavid Somayajulu 8694b3a271a9SManish Rangankar host->cmd_per_lun = 3; 8695b3a271a9SManish Rangankar host->max_channel = 0; 8696b3a271a9SManish Rangankar host->max_lun = MAX_LUNS - 1; 8697b3a271a9SManish Rangankar host->max_id = MAX_TARGETS; 8698b3a271a9SManish Rangankar host->max_cmd_len = IOCB_MAX_CDB_LEN; 8699b3a271a9SManish Rangankar host->can_queue = MAX_SRBS ; 8700b3a271a9SManish Rangankar host->transportt = qla4xxx_scsi_transport; 8701b3a271a9SManish Rangankar 8702b3a271a9SManish Rangankar pci_set_drvdata(pdev, ha); 8703b3a271a9SManish Rangankar 8704b3a271a9SManish Rangankar ret = scsi_add_host(host, &pdev->dev); 8705b3a271a9SManish Rangankar if (ret) 8706b3a271a9SManish Rangankar goto probe_failed; 8707b3a271a9SManish Rangankar 87086e7b4292SVikas Chaudhary if (is_qla80XX(ha)) 87096e7b4292SVikas Chaudhary qla4_8xxx_get_flash_info(ha); 87106e7b4292SVikas Chaudhary 8711b37ca418SVikas Chaudhary if (is_qla8032(ha) || is_qla8042(ha)) { 87126e7b4292SVikas Chaudhary qla4_83xx_read_reset_template(ha); 87136e7b4292SVikas Chaudhary /* 87146e7b4292SVikas Chaudhary * NOTE: If ql4dontresethba==1, set IDC_CTRL DONTRESET_BIT0. 87156e7b4292SVikas Chaudhary * If DONRESET_BIT0 is set, drivers should not set dev_state 87166e7b4292SVikas Chaudhary * to NEED_RESET. But if NEED_RESET is set, drivers should 87176e7b4292SVikas Chaudhary * should honor the reset. 87186e7b4292SVikas Chaudhary */ 87196e7b4292SVikas Chaudhary if (ql4xdontresethba == 1) 87206e7b4292SVikas Chaudhary qla4_83xx_set_idc_dontreset(ha); 87216e7b4292SVikas Chaudhary } 8722f4f5df23SVikas Chaudhary 8723afaf5a2dSDavid Somayajulu /* 8724afaf5a2dSDavid Somayajulu * Initialize the Host adapter request/response queues and 8725afaf5a2dSDavid Somayajulu * firmware 8726afaf5a2dSDavid Somayajulu * NOTE: interrupts enabled upon successful completion 8727afaf5a2dSDavid Somayajulu */ 872813483730SMike Christie status = qla4xxx_initialize_adapter(ha, INIT_ADAPTER); 87297977f825SPoornima Vonti 87307977f825SPoornima Vonti /* Dont retry adapter initialization if IRQ allocation failed */ 873137418cc6SNilesh Javali if (is_qla80XX(ha) && (status == QLA_ERROR)) 87327977f825SPoornima Vonti goto skip_retry_init; 87337977f825SPoornima Vonti 8734f4f5df23SVikas Chaudhary while ((!test_bit(AF_ONLINE, &ha->flags)) && 8735f4f5df23SVikas Chaudhary init_retry_count++ < MAX_INIT_RETRIES) { 8736f9880e76SPrasanna Mumbai 87376e7b4292SVikas Chaudhary if (is_qla80XX(ha)) { 873833693c7aSVikas Chaudhary ha->isp_ops->idc_lock(ha); 873933693c7aSVikas Chaudhary dev_state = qla4_8xxx_rd_direct(ha, 8740e951aca1SVikas Chaudhary QLA8XXX_CRB_DEV_STATE); 874133693c7aSVikas Chaudhary ha->isp_ops->idc_unlock(ha); 8742de8c72daSVikas Chaudhary if (dev_state == QLA8XXX_DEV_FAILED) { 8743f9880e76SPrasanna Mumbai ql4_printk(KERN_WARNING, ha, "%s: don't retry " 8744f9880e76SPrasanna Mumbai "initialize adapter. H/W is in failed state\n", 8745f9880e76SPrasanna Mumbai __func__); 8746f9880e76SPrasanna Mumbai break; 8747f9880e76SPrasanna Mumbai } 8748f9880e76SPrasanna Mumbai } 8749afaf5a2dSDavid Somayajulu DEBUG2(printk("scsi: %s: retrying adapter initialization " 8750afaf5a2dSDavid Somayajulu "(%d)\n", __func__, init_retry_count)); 8751f4f5df23SVikas Chaudhary 8752f4f5df23SVikas Chaudhary if (ha->isp_ops->reset_chip(ha) == QLA_ERROR) 8753f4f5df23SVikas Chaudhary continue; 8754f4f5df23SVikas Chaudhary 875513483730SMike Christie status = qla4xxx_initialize_adapter(ha, INIT_ADAPTER); 875637418cc6SNilesh Javali if (is_qla80XX(ha) && (status == QLA_ERROR)) { 875737418cc6SNilesh Javali if (qla4_8xxx_check_init_adapter_retry(ha) == QLA_ERROR) 875837418cc6SNilesh Javali goto skip_retry_init; 875937418cc6SNilesh Javali } 8760afaf5a2dSDavid Somayajulu } 8761f4f5df23SVikas Chaudhary 87627977f825SPoornima Vonti skip_retry_init: 8763f4f5df23SVikas Chaudhary if (!test_bit(AF_ONLINE, &ha->flags)) { 8764c2660df3SVikas Chaudhary ql4_printk(KERN_WARNING, ha, "Failed to initialize adapter\n"); 8765afaf5a2dSDavid Somayajulu 87666e7b4292SVikas Chaudhary if ((is_qla8022(ha) && ql4xdontresethba) || 8767b37ca418SVikas Chaudhary ((is_qla8032(ha) || is_qla8042(ha)) && 8768b37ca418SVikas Chaudhary qla4_83xx_idc_dontreset(ha))) { 8769fe998527SLalit Chandivade /* Put the device in failed state. */ 8770fe998527SLalit Chandivade DEBUG2(printk(KERN_ERR "HW STATE: FAILED\n")); 877133693c7aSVikas Chaudhary ha->isp_ops->idc_lock(ha); 877233693c7aSVikas Chaudhary qla4_8xxx_wr_direct(ha, QLA8XXX_CRB_DEV_STATE, 8773de8c72daSVikas Chaudhary QLA8XXX_DEV_FAILED); 877433693c7aSVikas Chaudhary ha->isp_ops->idc_unlock(ha); 8775fe998527SLalit Chandivade } 8776afaf5a2dSDavid Somayajulu ret = -ENODEV; 8777b3a271a9SManish Rangankar goto remove_host; 8778afaf5a2dSDavid Somayajulu } 8779afaf5a2dSDavid Somayajulu 8780afaf5a2dSDavid Somayajulu /* Startup the kernel thread for this host adapter. */ 8781afaf5a2dSDavid Somayajulu DEBUG2(printk("scsi: %s: Starting kernel thread for " 8782afaf5a2dSDavid Somayajulu "qla4xxx_dpc\n", __func__)); 8783afaf5a2dSDavid Somayajulu sprintf(buf, "qla4xxx_%lu_dpc", ha->host_no); 8784afaf5a2dSDavid Somayajulu ha->dpc_thread = create_singlethread_workqueue(buf); 8785afaf5a2dSDavid Somayajulu if (!ha->dpc_thread) { 8786c2660df3SVikas Chaudhary ql4_printk(KERN_WARNING, ha, "Unable to start DPC thread!\n"); 8787afaf5a2dSDavid Somayajulu ret = -ENODEV; 8788b3a271a9SManish Rangankar goto remove_host; 8789afaf5a2dSDavid Somayajulu } 8790c4028958SDavid Howells INIT_WORK(&ha->dpc_work, qla4xxx_do_dpc); 8791afaf5a2dSDavid Somayajulu 8792d8537548SKees Cook ha->task_wq = alloc_workqueue("qla4xxx_%lu_task", WQ_MEM_RECLAIM, 1, 8793d8537548SKees Cook ha->host_no); 8794b3a271a9SManish Rangankar if (!ha->task_wq) { 8795b3a271a9SManish Rangankar ql4_printk(KERN_WARNING, ha, "Unable to start task thread!\n"); 8796b3a271a9SManish Rangankar ret = -ENODEV; 8797b3a271a9SManish Rangankar goto remove_host; 8798b3a271a9SManish Rangankar } 8799b3a271a9SManish Rangankar 88006e7b4292SVikas Chaudhary /* 88016e7b4292SVikas Chaudhary * For ISP-8XXX, request_irqs is called in qla4_8xxx_load_risc 8802f4f5df23SVikas Chaudhary * (which is called indirectly by qla4xxx_initialize_adapter), 8803f4f5df23SVikas Chaudhary * so that irqs will be registered after crbinit but before 8804f4f5df23SVikas Chaudhary * mbx_intr_enable. 8805f4f5df23SVikas Chaudhary */ 8806ee996a69SVikas Chaudhary if (is_qla40XX(ha)) { 8807f4f5df23SVikas Chaudhary ret = qla4xxx_request_irqs(ha); 8808afaf5a2dSDavid Somayajulu if (ret) { 8809f4f5df23SVikas Chaudhary ql4_printk(KERN_WARNING, ha, "Failed to reserve " 8810f4f5df23SVikas Chaudhary "interrupt %d already in use.\n", pdev->irq); 8811b3a271a9SManish Rangankar goto remove_host; 8812afaf5a2dSDavid Somayajulu } 8813f4f5df23SVikas Chaudhary } 8814afaf5a2dSDavid Somayajulu 88152232be0dSLalit Chandivade pci_save_state(ha->pdev); 8816f4f5df23SVikas Chaudhary ha->isp_ops->enable_intrs(ha); 8817afaf5a2dSDavid Somayajulu 8818afaf5a2dSDavid Somayajulu /* Start timer thread. */ 8819d744644aSKees Cook qla4xxx_start_timer(ha, 1); 8820afaf5a2dSDavid Somayajulu 8821afaf5a2dSDavid Somayajulu set_bit(AF_INIT_DONE, &ha->flags); 8822afaf5a2dSDavid Somayajulu 8823068237c8STej Parkash qla4_8xxx_alloc_sysfs_attr(ha); 8824068237c8STej Parkash 8825afaf5a2dSDavid Somayajulu printk(KERN_INFO 8826afaf5a2dSDavid Somayajulu " QLogic iSCSI HBA Driver version: %s\n" 8827afaf5a2dSDavid Somayajulu " QLogic ISP%04x @ %s, host#=%ld, fw=%02d.%02d.%02d.%02d\n", 8828afaf5a2dSDavid Somayajulu qla4xxx_version_str, ha->pdev->device, pci_name(ha->pdev), 8829eee06a0fSAdheer Chandravanshi ha->host_no, ha->fw_info.fw_major, ha->fw_info.fw_minor, 8830eee06a0fSAdheer Chandravanshi ha->fw_info.fw_patch, ha->fw_info.fw_build); 8831ed1086e0SVikas Chaudhary 8832cfb27874SManish Dusane /* Set the driver version */ 8833cfb27874SManish Dusane if (is_qla80XX(ha)) 8834cfb27874SManish Dusane qla4_8xxx_set_param(ha, SET_DRVR_VERSION); 8835cfb27874SManish Dusane 88362a991c21SManish Rangankar if (qla4xxx_setup_boot_info(ha)) 88373573bfb2SVikas Chaudhary ql4_printk(KERN_ERR, ha, 88383573bfb2SVikas Chaudhary "%s: No iSCSI boot target configured\n", __func__); 88392a991c21SManish Rangankar 8840906cbf3dSNilesh Javali set_bit(DPC_SYSFS_DDB_EXPORT, &ha->dpc_flags); 884113483730SMike Christie /* Perform the build ddb list and login to each */ 884213483730SMike Christie qla4xxx_build_ddb_list(ha, INIT_ADAPTER); 884313483730SMike Christie iscsi_host_for_each_session(ha->host, qla4xxx_login_flash_ddb); 88441dc8ed5dSManish Rangankar qla4xxx_wait_login_resp_boot_tgt(ha); 884513483730SMike Christie 884613483730SMike Christie qla4xxx_create_chap_list(ha); 884713483730SMike Christie 8848ed1086e0SVikas Chaudhary qla4xxx_create_ifaces(ha); 8849afaf5a2dSDavid Somayajulu return 0; 8850afaf5a2dSDavid Somayajulu 8851b3a271a9SManish Rangankar remove_host: 8852b3a271a9SManish Rangankar scsi_remove_host(ha->host); 8853b3a271a9SManish Rangankar 8854afaf5a2dSDavid Somayajulu probe_failed: 8855afaf5a2dSDavid Somayajulu qla4xxx_free_adapter(ha); 8856f4f5df23SVikas Chaudhary 8857f4f5df23SVikas Chaudhary probe_failed_ioconfig: 88582232be0dSLalit Chandivade pci_disable_pcie_error_reporting(pdev); 8859afaf5a2dSDavid Somayajulu scsi_host_put(ha->host); 8860afaf5a2dSDavid Somayajulu 8861afaf5a2dSDavid Somayajulu probe_disable_device: 8862afaf5a2dSDavid Somayajulu pci_disable_device(pdev); 8863afaf5a2dSDavid Somayajulu 8864afaf5a2dSDavid Somayajulu return ret; 8865afaf5a2dSDavid Somayajulu } 8866afaf5a2dSDavid Somayajulu 8867afaf5a2dSDavid Somayajulu /** 88687eece5a0SKaren Higgins * qla4xxx_prevent_other_port_reinit - prevent other port from re-initialize 88697eece5a0SKaren Higgins * @ha: pointer to adapter structure 88707eece5a0SKaren Higgins * 88717eece5a0SKaren Higgins * Mark the other ISP-4xxx port to indicate that the driver is being removed, 88727eece5a0SKaren Higgins * so that the other port will not re-initialize while in the process of 88737eece5a0SKaren Higgins * removing the ha due to driver unload or hba hotplug. 88747eece5a0SKaren Higgins **/ 88757eece5a0SKaren Higgins static void qla4xxx_prevent_other_port_reinit(struct scsi_qla_host *ha) 88767eece5a0SKaren Higgins { 88777eece5a0SKaren Higgins struct scsi_qla_host *other_ha = NULL; 88787eece5a0SKaren Higgins struct pci_dev *other_pdev = NULL; 88797eece5a0SKaren Higgins int fn = ISP4XXX_PCI_FN_2; 88807eece5a0SKaren Higgins 88817eece5a0SKaren Higgins /*iscsi function numbers for ISP4xxx is 1 and 3*/ 88827eece5a0SKaren Higgins if (PCI_FUNC(ha->pdev->devfn) & BIT_1) 88837eece5a0SKaren Higgins fn = ISP4XXX_PCI_FN_1; 88847eece5a0SKaren Higgins 88857eece5a0SKaren Higgins other_pdev = 88867eece5a0SKaren Higgins pci_get_domain_bus_and_slot(pci_domain_nr(ha->pdev->bus), 88877eece5a0SKaren Higgins ha->pdev->bus->number, PCI_DEVFN(PCI_SLOT(ha->pdev->devfn), 88887eece5a0SKaren Higgins fn)); 88897eece5a0SKaren Higgins 88907eece5a0SKaren Higgins /* Get other_ha if other_pdev is valid and state is enable*/ 88917eece5a0SKaren Higgins if (other_pdev) { 88927eece5a0SKaren Higgins if (atomic_read(&other_pdev->enable_cnt)) { 88937eece5a0SKaren Higgins other_ha = pci_get_drvdata(other_pdev); 88947eece5a0SKaren Higgins if (other_ha) { 88957eece5a0SKaren Higgins set_bit(AF_HA_REMOVAL, &other_ha->flags); 88967eece5a0SKaren Higgins DEBUG2(ql4_printk(KERN_INFO, ha, "%s: " 88977eece5a0SKaren Higgins "Prevent %s reinit\n", __func__, 88987eece5a0SKaren Higgins dev_name(&other_ha->pdev->dev))); 88997eece5a0SKaren Higgins } 89007eece5a0SKaren Higgins } 89017eece5a0SKaren Higgins pci_dev_put(other_pdev); 89027eece5a0SKaren Higgins } 89037eece5a0SKaren Higgins } 89047eece5a0SKaren Higgins 890528d958baSVikas Chaudhary static void qla4xxx_destroy_ddb(struct scsi_qla_host *ha, 890628d958baSVikas Chaudhary struct ddb_entry *ddb_entry) 890728d958baSVikas Chaudhary { 890828d958baSVikas Chaudhary struct dev_db_entry *fw_ddb_entry = NULL; 890928d958baSVikas Chaudhary dma_addr_t fw_ddb_entry_dma; 891028d958baSVikas Chaudhary unsigned long wtime; 891128d958baSVikas Chaudhary uint32_t ddb_state; 891228d958baSVikas Chaudhary int options; 891328d958baSVikas Chaudhary int status; 891428d958baSVikas Chaudhary 891528d958baSVikas Chaudhary options = LOGOUT_OPTION_CLOSE_SESSION; 891628d958baSVikas Chaudhary if (qla4xxx_session_logout_ddb(ha, ddb_entry, options) == QLA_ERROR) { 891728d958baSVikas Chaudhary ql4_printk(KERN_ERR, ha, "%s: Logout failed\n", __func__); 891828d958baSVikas Chaudhary goto clear_ddb; 891928d958baSVikas Chaudhary } 892028d958baSVikas Chaudhary 892128d958baSVikas Chaudhary fw_ddb_entry = dma_alloc_coherent(&ha->pdev->dev, sizeof(*fw_ddb_entry), 892228d958baSVikas Chaudhary &fw_ddb_entry_dma, GFP_KERNEL); 892328d958baSVikas Chaudhary if (!fw_ddb_entry) { 892428d958baSVikas Chaudhary ql4_printk(KERN_ERR, ha, 892528d958baSVikas Chaudhary "%s: Unable to allocate dma buffer\n", __func__); 892628d958baSVikas Chaudhary goto clear_ddb; 892728d958baSVikas Chaudhary } 892828d958baSVikas Chaudhary 892928d958baSVikas Chaudhary wtime = jiffies + (HZ * LOGOUT_TOV); 893028d958baSVikas Chaudhary do { 893128d958baSVikas Chaudhary status = qla4xxx_get_fwddb_entry(ha, ddb_entry->fw_ddb_index, 893228d958baSVikas Chaudhary fw_ddb_entry, fw_ddb_entry_dma, 893328d958baSVikas Chaudhary NULL, NULL, &ddb_state, NULL, 893428d958baSVikas Chaudhary NULL, NULL); 893528d958baSVikas Chaudhary if (status == QLA_ERROR) 893628d958baSVikas Chaudhary goto free_ddb; 893728d958baSVikas Chaudhary 893828d958baSVikas Chaudhary if ((ddb_state == DDB_DS_NO_CONNECTION_ACTIVE) || 893928d958baSVikas Chaudhary (ddb_state == DDB_DS_SESSION_FAILED)) 894028d958baSVikas Chaudhary goto free_ddb; 894128d958baSVikas Chaudhary 894228d958baSVikas Chaudhary schedule_timeout_uninterruptible(HZ); 894328d958baSVikas Chaudhary } while ((time_after(wtime, jiffies))); 894428d958baSVikas Chaudhary 894528d958baSVikas Chaudhary free_ddb: 894628d958baSVikas Chaudhary dma_free_coherent(&ha->pdev->dev, sizeof(*fw_ddb_entry), 894728d958baSVikas Chaudhary fw_ddb_entry, fw_ddb_entry_dma); 894828d958baSVikas Chaudhary clear_ddb: 894928d958baSVikas Chaudhary qla4xxx_clear_ddb_entry(ha, ddb_entry->fw_ddb_index); 895028d958baSVikas Chaudhary } 895128d958baSVikas Chaudhary 895213483730SMike Christie static void qla4xxx_destroy_fw_ddb_session(struct scsi_qla_host *ha) 895313483730SMike Christie { 895413483730SMike Christie struct ddb_entry *ddb_entry; 895513483730SMike Christie int idx; 895613483730SMike Christie 895713483730SMike Christie for (idx = 0; idx < MAX_DDB_ENTRIES; idx++) { 895813483730SMike Christie 895913483730SMike Christie ddb_entry = qla4xxx_lookup_ddb_by_fw_index(ha, idx); 896013483730SMike Christie if ((ddb_entry != NULL) && 896113483730SMike Christie (ddb_entry->ddb_type == FLASH_DDB)) { 896213483730SMike Christie 896328d958baSVikas Chaudhary qla4xxx_destroy_ddb(ha, ddb_entry); 896413483730SMike Christie /* 896513483730SMike Christie * we have decremented the reference count of the driver 896613483730SMike Christie * when we setup the session to have the driver unload 896713483730SMike Christie * to be seamless without actually destroying the 896813483730SMike Christie * session 896913483730SMike Christie **/ 897013483730SMike Christie try_module_get(qla4xxx_iscsi_transport.owner); 897113483730SMike Christie iscsi_destroy_endpoint(ddb_entry->conn->ep); 897213483730SMike Christie qla4xxx_free_ddb(ha, ddb_entry); 897313483730SMike Christie iscsi_session_teardown(ddb_entry->sess); 897413483730SMike Christie } 897513483730SMike Christie } 897613483730SMike Christie } 89777eece5a0SKaren Higgins /** 897859e13d48SMasanari Iida * qla4xxx_remove_adapter - callback function to remove adapter. 8979afaf5a2dSDavid Somayajulu * @pci_dev: PCI device pointer 8980afaf5a2dSDavid Somayajulu **/ 89816f039790SGreg Kroah-Hartman static void qla4xxx_remove_adapter(struct pci_dev *pdev) 8982afaf5a2dSDavid Somayajulu { 8983afaf5a2dSDavid Somayajulu struct scsi_qla_host *ha; 8984afaf5a2dSDavid Somayajulu 8985f8b0751dSVikas Chaudhary /* 8986f8b0751dSVikas Chaudhary * If the PCI device is disabled then it means probe_adapter had 8987f8b0751dSVikas Chaudhary * failed and resources already cleaned up on probe_adapter exit. 8988f8b0751dSVikas Chaudhary */ 8989f8b0751dSVikas Chaudhary if (!pci_is_enabled(pdev)) 8990f8b0751dSVikas Chaudhary return; 8991f8b0751dSVikas Chaudhary 8992afaf5a2dSDavid Somayajulu ha = pci_get_drvdata(pdev); 8993afaf5a2dSDavid Somayajulu 8994ee996a69SVikas Chaudhary if (is_qla40XX(ha)) 89957eece5a0SKaren Higgins qla4xxx_prevent_other_port_reinit(ha); 8996bee4fe8eSDavid C Somayajulu 8997ed1086e0SVikas Chaudhary /* destroy iface from sysfs */ 8998ed1086e0SVikas Chaudhary qla4xxx_destroy_ifaces(ha); 8999ed1086e0SVikas Chaudhary 900013483730SMike Christie if ((!ql4xdisablesysfsboot) && ha->boot_kset) 90012a991c21SManish Rangankar iscsi_boot_destroy_kset(ha->boot_kset); 90022a991c21SManish Rangankar 900313483730SMike Christie qla4xxx_destroy_fw_ddb_session(ha); 9004068237c8STej Parkash qla4_8xxx_free_sysfs_attr(ha); 900513483730SMike Christie 90061e9e2be3SAdheer Chandravanshi qla4xxx_sysfs_ddb_remove(ha); 9007afaf5a2dSDavid Somayajulu scsi_remove_host(ha->host); 9008afaf5a2dSDavid Somayajulu 9009afaf5a2dSDavid Somayajulu qla4xxx_free_adapter(ha); 9010afaf5a2dSDavid Somayajulu 9011afaf5a2dSDavid Somayajulu scsi_host_put(ha->host); 9012afaf5a2dSDavid Somayajulu 90132232be0dSLalit Chandivade pci_disable_pcie_error_reporting(pdev); 9014f4f5df23SVikas Chaudhary pci_disable_device(pdev); 9015afaf5a2dSDavid Somayajulu } 9016afaf5a2dSDavid Somayajulu 9017afaf5a2dSDavid Somayajulu /** 9018afaf5a2dSDavid Somayajulu * qla4xxx_config_dma_addressing() - Configure OS DMA addressing method. 9019afaf5a2dSDavid Somayajulu * @ha: HA context 9020afaf5a2dSDavid Somayajulu */ 902147975477SAdrian Bunk static void qla4xxx_config_dma_addressing(struct scsi_qla_host *ha) 9022afaf5a2dSDavid Somayajulu { 9023afaf5a2dSDavid Somayajulu /* Update our PCI device dma_mask for full 64 bit mask */ 9024ec44a676SChristoph Hellwig if (dma_set_mask_and_coherent(&ha->pdev->dev, DMA_BIT_MASK(64))) { 9025afaf5a2dSDavid Somayajulu dev_dbg(&ha->pdev->dev, 9026afaf5a2dSDavid Somayajulu "Failed to set 64 bit PCI consistent mask; " 9027afaf5a2dSDavid Somayajulu "using 32 bit.\n"); 9028ec44a676SChristoph Hellwig dma_set_mask_and_coherent(&ha->pdev->dev, DMA_BIT_MASK(32)); 9029afaf5a2dSDavid Somayajulu } 9030afaf5a2dSDavid Somayajulu } 9031afaf5a2dSDavid Somayajulu 9032afaf5a2dSDavid Somayajulu static int qla4xxx_slave_alloc(struct scsi_device *sdev) 9033afaf5a2dSDavid Somayajulu { 9034b3a271a9SManish Rangankar struct iscsi_cls_session *cls_sess; 9035b3a271a9SManish Rangankar struct iscsi_session *sess; 9036b3a271a9SManish Rangankar struct ddb_entry *ddb; 90378bb4033dSVikas Chaudhary int queue_depth = QL4_DEF_QDEPTH; 9038afaf5a2dSDavid Somayajulu 9039b3a271a9SManish Rangankar cls_sess = starget_to_session(sdev->sdev_target); 9040b3a271a9SManish Rangankar sess = cls_sess->dd_data; 9041b3a271a9SManish Rangankar ddb = sess->dd_data; 9042b3a271a9SManish Rangankar 9043afaf5a2dSDavid Somayajulu sdev->hostdata = ddb; 90448bb4033dSVikas Chaudhary 90458bb4033dSVikas Chaudhary if (ql4xmaxqdepth != 0 && ql4xmaxqdepth <= 0xffffU) 90468bb4033dSVikas Chaudhary queue_depth = ql4xmaxqdepth; 90478bb4033dSVikas Chaudhary 9048db5ed4dfSChristoph Hellwig scsi_change_queue_depth(sdev, queue_depth); 9049afaf5a2dSDavid Somayajulu return 0; 9050afaf5a2dSDavid Somayajulu } 9051afaf5a2dSDavid Somayajulu 9052afaf5a2dSDavid Somayajulu /** 9053afaf5a2dSDavid Somayajulu * qla4xxx_del_from_active_array - returns an active srb 9054afaf5a2dSDavid Somayajulu * @ha: Pointer to host adapter structure. 9055fd589a8fSAnand Gadiyar * @index: index into the active_array 9056afaf5a2dSDavid Somayajulu * 9057afaf5a2dSDavid Somayajulu * This routine removes and returns the srb at the specified index 9058afaf5a2dSDavid Somayajulu **/ 9059f4f5df23SVikas Chaudhary struct srb *qla4xxx_del_from_active_array(struct scsi_qla_host *ha, 9060f4f5df23SVikas Chaudhary uint32_t index) 9061afaf5a2dSDavid Somayajulu { 9062afaf5a2dSDavid Somayajulu struct srb *srb = NULL; 90635369887aSVikas Chaudhary struct scsi_cmnd *cmd = NULL; 9064afaf5a2dSDavid Somayajulu 90655369887aSVikas Chaudhary cmd = scsi_host_find_tag(ha->host, index); 90665369887aSVikas Chaudhary if (!cmd) 9067afaf5a2dSDavid Somayajulu return srb; 9068afaf5a2dSDavid Somayajulu 90695369887aSVikas Chaudhary srb = (struct srb *)CMD_SP(cmd); 90705369887aSVikas Chaudhary if (!srb) 9071afaf5a2dSDavid Somayajulu return srb; 9072afaf5a2dSDavid Somayajulu 9073afaf5a2dSDavid Somayajulu /* update counters */ 9074afaf5a2dSDavid Somayajulu if (srb->flags & SRB_DMA_VALID) { 9075afaf5a2dSDavid Somayajulu ha->iocb_cnt -= srb->iocb_cnt; 9076afaf5a2dSDavid Somayajulu if (srb->cmd) 90775369887aSVikas Chaudhary srb->cmd->host_scribble = 90785369887aSVikas Chaudhary (unsigned char *)(unsigned long) MAX_SRBS; 9079afaf5a2dSDavid Somayajulu } 9080afaf5a2dSDavid Somayajulu return srb; 9081afaf5a2dSDavid Somayajulu } 9082afaf5a2dSDavid Somayajulu 9083afaf5a2dSDavid Somayajulu /** 9084afaf5a2dSDavid Somayajulu * qla4xxx_eh_wait_on_command - waits for command to be returned by firmware 908509a0f719SVikas Chaudhary * @ha: Pointer to host adapter structure. 9086afaf5a2dSDavid Somayajulu * @cmd: Scsi Command to wait on. 9087afaf5a2dSDavid Somayajulu * 9088afaf5a2dSDavid Somayajulu * This routine waits for the command to be returned by the Firmware 9089afaf5a2dSDavid Somayajulu * for some max time. 9090afaf5a2dSDavid Somayajulu **/ 9091afaf5a2dSDavid Somayajulu static int qla4xxx_eh_wait_on_command(struct scsi_qla_host *ha, 9092afaf5a2dSDavid Somayajulu struct scsi_cmnd *cmd) 9093afaf5a2dSDavid Somayajulu { 9094afaf5a2dSDavid Somayajulu int done = 0; 9095afaf5a2dSDavid Somayajulu struct srb *rp; 9096afaf5a2dSDavid Somayajulu uint32_t max_wait_time = EH_WAIT_CMD_TOV; 90972232be0dSLalit Chandivade int ret = SUCCESS; 90982232be0dSLalit Chandivade 90992232be0dSLalit Chandivade /* Dont wait on command if PCI error is being handled 91002232be0dSLalit Chandivade * by PCI AER driver 91012232be0dSLalit Chandivade */ 91022232be0dSLalit Chandivade if (unlikely(pci_channel_offline(ha->pdev)) || 91032232be0dSLalit Chandivade (test_bit(AF_EEH_BUSY, &ha->flags))) { 91042232be0dSLalit Chandivade ql4_printk(KERN_WARNING, ha, "scsi%ld: Return from %s\n", 91052232be0dSLalit Chandivade ha->host_no, __func__); 91062232be0dSLalit Chandivade return ret; 91072232be0dSLalit Chandivade } 9108afaf5a2dSDavid Somayajulu 9109afaf5a2dSDavid Somayajulu do { 9110afaf5a2dSDavid Somayajulu /* Checking to see if its returned to OS */ 91115369887aSVikas Chaudhary rp = (struct srb *) CMD_SP(cmd); 9112afaf5a2dSDavid Somayajulu if (rp == NULL) { 9113afaf5a2dSDavid Somayajulu done++; 9114afaf5a2dSDavid Somayajulu break; 9115afaf5a2dSDavid Somayajulu } 9116afaf5a2dSDavid Somayajulu 9117afaf5a2dSDavid Somayajulu msleep(2000); 9118afaf5a2dSDavid Somayajulu } while (max_wait_time--); 9119afaf5a2dSDavid Somayajulu 9120afaf5a2dSDavid Somayajulu return done; 9121afaf5a2dSDavid Somayajulu } 9122afaf5a2dSDavid Somayajulu 9123afaf5a2dSDavid Somayajulu /** 9124afaf5a2dSDavid Somayajulu * qla4xxx_wait_for_hba_online - waits for HBA to come online 9125afaf5a2dSDavid Somayajulu * @ha: Pointer to host adapter structure 9126afaf5a2dSDavid Somayajulu **/ 9127afaf5a2dSDavid Somayajulu static int qla4xxx_wait_for_hba_online(struct scsi_qla_host *ha) 9128afaf5a2dSDavid Somayajulu { 9129afaf5a2dSDavid Somayajulu unsigned long wait_online; 9130afaf5a2dSDavid Somayajulu 9131f581a3f7SVikas Chaudhary wait_online = jiffies + (HBA_ONLINE_TOV * HZ); 9132afaf5a2dSDavid Somayajulu while (time_before(jiffies, wait_online)) { 9133afaf5a2dSDavid Somayajulu 9134afaf5a2dSDavid Somayajulu if (adapter_up(ha)) 9135afaf5a2dSDavid Somayajulu return QLA_SUCCESS; 9136afaf5a2dSDavid Somayajulu 9137afaf5a2dSDavid Somayajulu msleep(2000); 9138afaf5a2dSDavid Somayajulu } 9139afaf5a2dSDavid Somayajulu 9140afaf5a2dSDavid Somayajulu return QLA_ERROR; 9141afaf5a2dSDavid Somayajulu } 9142afaf5a2dSDavid Somayajulu 9143afaf5a2dSDavid Somayajulu /** 9144ce545039SMike Christie * qla4xxx_eh_wait_for_commands - wait for active cmds to finish. 9145fd589a8fSAnand Gadiyar * @ha: pointer to HBA 9146afaf5a2dSDavid Somayajulu * @t: target id 9147afaf5a2dSDavid Somayajulu * @l: lun id 9148afaf5a2dSDavid Somayajulu * 9149afaf5a2dSDavid Somayajulu * This function waits for all outstanding commands to a lun to complete. It 9150afaf5a2dSDavid Somayajulu * returns 0 if all pending commands are returned and 1 otherwise. 9151afaf5a2dSDavid Somayajulu **/ 9152ce545039SMike Christie static int qla4xxx_eh_wait_for_commands(struct scsi_qla_host *ha, 9153ce545039SMike Christie struct scsi_target *stgt, 9154ce545039SMike Christie struct scsi_device *sdev) 9155afaf5a2dSDavid Somayajulu { 9156afaf5a2dSDavid Somayajulu int cnt; 9157afaf5a2dSDavid Somayajulu int status = 0; 9158afaf5a2dSDavid Somayajulu struct scsi_cmnd *cmd; 9159afaf5a2dSDavid Somayajulu 9160afaf5a2dSDavid Somayajulu /* 9161ce545039SMike Christie * Waiting for all commands for the designated target or dev 9162ce545039SMike Christie * in the active array 9163afaf5a2dSDavid Somayajulu */ 9164afaf5a2dSDavid Somayajulu for (cnt = 0; cnt < ha->host->can_queue; cnt++) { 9165afaf5a2dSDavid Somayajulu cmd = scsi_host_find_tag(ha->host, cnt); 9166ce545039SMike Christie if (cmd && stgt == scsi_target(cmd->device) && 9167ce545039SMike Christie (!sdev || sdev == cmd->device)) { 9168afaf5a2dSDavid Somayajulu if (!qla4xxx_eh_wait_on_command(ha, cmd)) { 9169afaf5a2dSDavid Somayajulu status++; 9170afaf5a2dSDavid Somayajulu break; 9171afaf5a2dSDavid Somayajulu } 9172afaf5a2dSDavid Somayajulu } 9173afaf5a2dSDavid Somayajulu } 9174afaf5a2dSDavid Somayajulu return status; 9175afaf5a2dSDavid Somayajulu } 9176afaf5a2dSDavid Somayajulu 9177afaf5a2dSDavid Somayajulu /** 917809a0f719SVikas Chaudhary * qla4xxx_eh_abort - callback for abort task. 917909a0f719SVikas Chaudhary * @cmd: Pointer to Linux's SCSI command structure 918009a0f719SVikas Chaudhary * 918109a0f719SVikas Chaudhary * This routine is called by the Linux OS to abort the specified 918209a0f719SVikas Chaudhary * command. 918309a0f719SVikas Chaudhary **/ 918409a0f719SVikas Chaudhary static int qla4xxx_eh_abort(struct scsi_cmnd *cmd) 918509a0f719SVikas Chaudhary { 918609a0f719SVikas Chaudhary struct scsi_qla_host *ha = to_qla_host(cmd->device->host); 918709a0f719SVikas Chaudhary unsigned int id = cmd->device->id; 91889cb78c16SHannes Reinecke uint64_t lun = cmd->device->lun; 918992b3e5bbSMike Christie unsigned long flags; 919009a0f719SVikas Chaudhary struct srb *srb = NULL; 919109a0f719SVikas Chaudhary int ret = SUCCESS; 919209a0f719SVikas Chaudhary int wait = 0; 91931bc5ad3aSManish Rangankar int rval; 919409a0f719SVikas Chaudhary 91959cb78c16SHannes Reinecke ql4_printk(KERN_INFO, ha, "scsi%ld:%d:%llu: Abort command issued cmd=%p, cdb=0x%x\n", 919663c9e814SVikas Chaudhary ha->host_no, id, lun, cmd, cmd->cmnd[0]); 919709a0f719SVikas Chaudhary 91981bc5ad3aSManish Rangankar rval = qla4xxx_isp_check_reg(ha); 91991bc5ad3aSManish Rangankar if (rval != QLA_SUCCESS) { 92001bc5ad3aSManish Rangankar ql4_printk(KERN_INFO, ha, "PCI/Register disconnect, exiting.\n"); 92011bc5ad3aSManish Rangankar return FAILED; 92021bc5ad3aSManish Rangankar } 92031bc5ad3aSManish Rangankar 920492b3e5bbSMike Christie spin_lock_irqsave(&ha->hardware_lock, flags); 920509a0f719SVikas Chaudhary srb = (struct srb *) CMD_SP(cmd); 920692b3e5bbSMike Christie if (!srb) { 920792b3e5bbSMike Christie spin_unlock_irqrestore(&ha->hardware_lock, flags); 92089cb78c16SHannes Reinecke ql4_printk(KERN_INFO, ha, "scsi%ld:%d:%llu: Specified command has already completed.\n", 920963c9e814SVikas Chaudhary ha->host_no, id, lun); 921009a0f719SVikas Chaudhary return SUCCESS; 921192b3e5bbSMike Christie } 921209a0f719SVikas Chaudhary kref_get(&srb->srb_ref); 921392b3e5bbSMike Christie spin_unlock_irqrestore(&ha->hardware_lock, flags); 921409a0f719SVikas Chaudhary 921509a0f719SVikas Chaudhary if (qla4xxx_abort_task(ha, srb) != QLA_SUCCESS) { 92169cb78c16SHannes Reinecke DEBUG3(printk("scsi%ld:%d:%llu: Abort_task mbx failed.\n", 921709a0f719SVikas Chaudhary ha->host_no, id, lun)); 921809a0f719SVikas Chaudhary ret = FAILED; 921909a0f719SVikas Chaudhary } else { 92209cb78c16SHannes Reinecke DEBUG3(printk("scsi%ld:%d:%llu: Abort_task mbx success.\n", 922109a0f719SVikas Chaudhary ha->host_no, id, lun)); 922209a0f719SVikas Chaudhary wait = 1; 922309a0f719SVikas Chaudhary } 922409a0f719SVikas Chaudhary 922509a0f719SVikas Chaudhary kref_put(&srb->srb_ref, qla4xxx_srb_compl); 922609a0f719SVikas Chaudhary 922709a0f719SVikas Chaudhary /* Wait for command to complete */ 922809a0f719SVikas Chaudhary if (wait) { 922909a0f719SVikas Chaudhary if (!qla4xxx_eh_wait_on_command(ha, cmd)) { 92309cb78c16SHannes Reinecke DEBUG2(printk("scsi%ld:%d:%llu: Abort handler timed out\n", 923109a0f719SVikas Chaudhary ha->host_no, id, lun)); 923209a0f719SVikas Chaudhary ret = FAILED; 923309a0f719SVikas Chaudhary } 923409a0f719SVikas Chaudhary } 923509a0f719SVikas Chaudhary 9236c2660df3SVikas Chaudhary ql4_printk(KERN_INFO, ha, 92379cb78c16SHannes Reinecke "scsi%ld:%d:%llu: Abort command - %s\n", 923825985edcSLucas De Marchi ha->host_no, id, lun, (ret == SUCCESS) ? "succeeded" : "failed"); 923909a0f719SVikas Chaudhary 924009a0f719SVikas Chaudhary return ret; 924109a0f719SVikas Chaudhary } 924209a0f719SVikas Chaudhary 924309a0f719SVikas Chaudhary /** 9244afaf5a2dSDavid Somayajulu * qla4xxx_eh_device_reset - callback for target reset. 9245afaf5a2dSDavid Somayajulu * @cmd: Pointer to Linux's SCSI command structure 9246afaf5a2dSDavid Somayajulu * 9247afaf5a2dSDavid Somayajulu * This routine is called by the Linux OS to reset all luns on the 9248afaf5a2dSDavid Somayajulu * specified target. 9249afaf5a2dSDavid Somayajulu **/ 9250afaf5a2dSDavid Somayajulu static int qla4xxx_eh_device_reset(struct scsi_cmnd *cmd) 9251afaf5a2dSDavid Somayajulu { 9252afaf5a2dSDavid Somayajulu struct scsi_qla_host *ha = to_qla_host(cmd->device->host); 9253afaf5a2dSDavid Somayajulu struct ddb_entry *ddb_entry = cmd->device->hostdata; 9254afaf5a2dSDavid Somayajulu int ret = FAILED, stat; 92551bc5ad3aSManish Rangankar int rval; 9256afaf5a2dSDavid Somayajulu 9257612f7348SKaren Higgins if (!ddb_entry) 9258afaf5a2dSDavid Somayajulu return ret; 9259afaf5a2dSDavid Somayajulu 9260c01be6dcSMike Christie ret = iscsi_block_scsi_eh(cmd); 9261c01be6dcSMike Christie if (ret) 9262c01be6dcSMike Christie return ret; 9263c01be6dcSMike Christie ret = FAILED; 9264c01be6dcSMike Christie 9265c2660df3SVikas Chaudhary ql4_printk(KERN_INFO, ha, 92669cb78c16SHannes Reinecke "scsi%ld:%d:%d:%llu: DEVICE RESET ISSUED.\n", ha->host_no, 9267afaf5a2dSDavid Somayajulu cmd->device->channel, cmd->device->id, cmd->device->lun); 9268afaf5a2dSDavid Somayajulu 9269afaf5a2dSDavid Somayajulu DEBUG2(printk(KERN_INFO 9270afaf5a2dSDavid Somayajulu "scsi%ld: DEVICE_RESET cmd=%p jiffies = 0x%lx, to=%x," 9271afaf5a2dSDavid Somayajulu "dpc_flags=%lx, status=%x allowed=%d\n", ha->host_no, 9272242f9dcbSJens Axboe cmd, jiffies, cmd->request->timeout / HZ, 9273afaf5a2dSDavid Somayajulu ha->dpc_flags, cmd->result, cmd->allowed)); 9274afaf5a2dSDavid Somayajulu 92751bc5ad3aSManish Rangankar rval = qla4xxx_isp_check_reg(ha); 92761bc5ad3aSManish Rangankar if (rval != QLA_SUCCESS) { 92771bc5ad3aSManish Rangankar ql4_printk(KERN_INFO, ha, "PCI/Register disconnect, exiting.\n"); 92781bc5ad3aSManish Rangankar return FAILED; 92791bc5ad3aSManish Rangankar } 92801bc5ad3aSManish Rangankar 9281afaf5a2dSDavid Somayajulu /* FIXME: wait for hba to go online */ 9282afaf5a2dSDavid Somayajulu stat = qla4xxx_reset_lun(ha, ddb_entry, cmd->device->lun); 9283afaf5a2dSDavid Somayajulu if (stat != QLA_SUCCESS) { 9284c2660df3SVikas Chaudhary ql4_printk(KERN_INFO, ha, "DEVICE RESET FAILED. %d\n", stat); 9285afaf5a2dSDavid Somayajulu goto eh_dev_reset_done; 9286afaf5a2dSDavid Somayajulu } 9287afaf5a2dSDavid Somayajulu 9288ce545039SMike Christie if (qla4xxx_eh_wait_for_commands(ha, scsi_target(cmd->device), 9289ce545039SMike Christie cmd->device)) { 9290c2660df3SVikas Chaudhary ql4_printk(KERN_INFO, ha, 9291afaf5a2dSDavid Somayajulu "DEVICE RESET FAILED - waiting for " 9292afaf5a2dSDavid Somayajulu "commands.\n"); 9293afaf5a2dSDavid Somayajulu goto eh_dev_reset_done; 9294afaf5a2dSDavid Somayajulu } 9295afaf5a2dSDavid Somayajulu 92969d562913SDavid C Somayajulu /* Send marker. */ 92979d562913SDavid C Somayajulu if (qla4xxx_send_marker_iocb(ha, ddb_entry, cmd->device->lun, 92989d562913SDavid C Somayajulu MM_LUN_RESET) != QLA_SUCCESS) 92999d562913SDavid C Somayajulu goto eh_dev_reset_done; 93009d562913SDavid C Somayajulu 9301c2660df3SVikas Chaudhary ql4_printk(KERN_INFO, ha, 93029cb78c16SHannes Reinecke "scsi(%ld:%d:%d:%llu): DEVICE RESET SUCCEEDED.\n", 9303afaf5a2dSDavid Somayajulu ha->host_no, cmd->device->channel, cmd->device->id, 9304afaf5a2dSDavid Somayajulu cmd->device->lun); 9305afaf5a2dSDavid Somayajulu 9306afaf5a2dSDavid Somayajulu ret = SUCCESS; 9307afaf5a2dSDavid Somayajulu 9308afaf5a2dSDavid Somayajulu eh_dev_reset_done: 9309afaf5a2dSDavid Somayajulu 9310afaf5a2dSDavid Somayajulu return ret; 9311afaf5a2dSDavid Somayajulu } 9312afaf5a2dSDavid Somayajulu 9313afaf5a2dSDavid Somayajulu /** 9314ce545039SMike Christie * qla4xxx_eh_target_reset - callback for target reset. 9315ce545039SMike Christie * @cmd: Pointer to Linux's SCSI command structure 9316ce545039SMike Christie * 9317ce545039SMike Christie * This routine is called by the Linux OS to reset the target. 9318ce545039SMike Christie **/ 9319ce545039SMike Christie static int qla4xxx_eh_target_reset(struct scsi_cmnd *cmd) 9320ce545039SMike Christie { 9321ce545039SMike Christie struct scsi_qla_host *ha = to_qla_host(cmd->device->host); 9322ce545039SMike Christie struct ddb_entry *ddb_entry = cmd->device->hostdata; 9323c01be6dcSMike Christie int stat, ret; 93241bc5ad3aSManish Rangankar int rval; 9325ce545039SMike Christie 9326ce545039SMike Christie if (!ddb_entry) 9327ce545039SMike Christie return FAILED; 9328ce545039SMike Christie 9329c01be6dcSMike Christie ret = iscsi_block_scsi_eh(cmd); 9330c01be6dcSMike Christie if (ret) 9331c01be6dcSMike Christie return ret; 9332c01be6dcSMike Christie 9333ce545039SMike Christie starget_printk(KERN_INFO, scsi_target(cmd->device), 9334ce545039SMike Christie "WARM TARGET RESET ISSUED.\n"); 9335ce545039SMike Christie 9336ce545039SMike Christie DEBUG2(printk(KERN_INFO 9337ce545039SMike Christie "scsi%ld: TARGET_DEVICE_RESET cmd=%p jiffies = 0x%lx, " 9338ce545039SMike Christie "to=%x,dpc_flags=%lx, status=%x allowed=%d\n", 9339242f9dcbSJens Axboe ha->host_no, cmd, jiffies, cmd->request->timeout / HZ, 9340ce545039SMike Christie ha->dpc_flags, cmd->result, cmd->allowed)); 9341ce545039SMike Christie 93421bc5ad3aSManish Rangankar rval = qla4xxx_isp_check_reg(ha); 93431bc5ad3aSManish Rangankar if (rval != QLA_SUCCESS) { 93441bc5ad3aSManish Rangankar ql4_printk(KERN_INFO, ha, "PCI/Register disconnect, exiting.\n"); 93451bc5ad3aSManish Rangankar return FAILED; 93461bc5ad3aSManish Rangankar } 93471bc5ad3aSManish Rangankar 9348ce545039SMike Christie stat = qla4xxx_reset_target(ha, ddb_entry); 9349ce545039SMike Christie if (stat != QLA_SUCCESS) { 9350ce545039SMike Christie starget_printk(KERN_INFO, scsi_target(cmd->device), 9351ce545039SMike Christie "WARM TARGET RESET FAILED.\n"); 9352ce545039SMike Christie return FAILED; 9353ce545039SMike Christie } 9354ce545039SMike Christie 9355ce545039SMike Christie if (qla4xxx_eh_wait_for_commands(ha, scsi_target(cmd->device), 9356ce545039SMike Christie NULL)) { 9357ce545039SMike Christie starget_printk(KERN_INFO, scsi_target(cmd->device), 9358ce545039SMike Christie "WARM TARGET DEVICE RESET FAILED - " 9359ce545039SMike Christie "waiting for commands.\n"); 9360ce545039SMike Christie return FAILED; 9361ce545039SMike Christie } 9362ce545039SMike Christie 93639d562913SDavid C Somayajulu /* Send marker. */ 93649d562913SDavid C Somayajulu if (qla4xxx_send_marker_iocb(ha, ddb_entry, cmd->device->lun, 93659d562913SDavid C Somayajulu MM_TGT_WARM_RESET) != QLA_SUCCESS) { 93669d562913SDavid C Somayajulu starget_printk(KERN_INFO, scsi_target(cmd->device), 93679d562913SDavid C Somayajulu "WARM TARGET DEVICE RESET FAILED - " 93689d562913SDavid C Somayajulu "marker iocb failed.\n"); 93699d562913SDavid C Somayajulu return FAILED; 93709d562913SDavid C Somayajulu } 93719d562913SDavid C Somayajulu 9372ce545039SMike Christie starget_printk(KERN_INFO, scsi_target(cmd->device), 9373ce545039SMike Christie "WARM TARGET RESET SUCCEEDED.\n"); 9374ce545039SMike Christie return SUCCESS; 9375ce545039SMike Christie } 9376ce545039SMike Christie 9377ce545039SMike Christie /** 93788a288960SSarang Radke * qla4xxx_is_eh_active - check if error handler is running 93798a288960SSarang Radke * @shost: Pointer to SCSI Host struct 93808a288960SSarang Radke * 93818a288960SSarang Radke * This routine finds that if reset host is called in EH 93828a288960SSarang Radke * scenario or from some application like sg_reset 93838a288960SSarang Radke **/ 93848a288960SSarang Radke static int qla4xxx_is_eh_active(struct Scsi_Host *shost) 93858a288960SSarang Radke { 93868a288960SSarang Radke if (shost->shost_state == SHOST_RECOVERY) 93878a288960SSarang Radke return 1; 93888a288960SSarang Radke return 0; 93898a288960SSarang Radke } 93908a288960SSarang Radke 93918a288960SSarang Radke /** 9392afaf5a2dSDavid Somayajulu * qla4xxx_eh_host_reset - kernel callback 9393afaf5a2dSDavid Somayajulu * @cmd: Pointer to Linux's SCSI command structure 9394afaf5a2dSDavid Somayajulu * 9395afaf5a2dSDavid Somayajulu * This routine is invoked by the Linux kernel to perform fatal error 9396afaf5a2dSDavid Somayajulu * recovery on the specified adapter. 9397afaf5a2dSDavid Somayajulu **/ 9398afaf5a2dSDavid Somayajulu static int qla4xxx_eh_host_reset(struct scsi_cmnd *cmd) 9399afaf5a2dSDavid Somayajulu { 9400afaf5a2dSDavid Somayajulu int return_status = FAILED; 9401afaf5a2dSDavid Somayajulu struct scsi_qla_host *ha; 94021bc5ad3aSManish Rangankar int rval; 9403afaf5a2dSDavid Somayajulu 9404b3a271a9SManish Rangankar ha = to_qla_host(cmd->device->host); 9405afaf5a2dSDavid Somayajulu 94061bc5ad3aSManish Rangankar rval = qla4xxx_isp_check_reg(ha); 94071bc5ad3aSManish Rangankar if (rval != QLA_SUCCESS) { 94081bc5ad3aSManish Rangankar ql4_printk(KERN_INFO, ha, "PCI/Register disconnect, exiting.\n"); 94091bc5ad3aSManish Rangankar return FAILED; 94101bc5ad3aSManish Rangankar } 94111bc5ad3aSManish Rangankar 9412b37ca418SVikas Chaudhary if ((is_qla8032(ha) || is_qla8042(ha)) && ql4xdontresethba) 94136e7b4292SVikas Chaudhary qla4_83xx_set_idc_dontreset(ha); 94146e7b4292SVikas Chaudhary 94156e7b4292SVikas Chaudhary /* 9416b37ca418SVikas Chaudhary * For ISP8324 and ISP8042, if IDC_CTRL DONTRESET_BIT0 is set by other 9417b37ca418SVikas Chaudhary * protocol drivers, we should not set device_state to NEED_RESET 94186e7b4292SVikas Chaudhary */ 94196e7b4292SVikas Chaudhary if (ql4xdontresethba || 9420b37ca418SVikas Chaudhary ((is_qla8032(ha) || is_qla8042(ha)) && 9421b37ca418SVikas Chaudhary qla4_83xx_idc_dontreset(ha))) { 9422f4f5df23SVikas Chaudhary DEBUG2(printk("scsi%ld: %s: Don't Reset HBA\n", 9423f4f5df23SVikas Chaudhary ha->host_no, __func__)); 94248a288960SSarang Radke 94258a288960SSarang Radke /* Clear outstanding srb in queues */ 94268a288960SSarang Radke if (qla4xxx_is_eh_active(cmd->device->host)) 94278a288960SSarang Radke qla4xxx_abort_active_cmds(ha, DID_ABORT << 16); 94288a288960SSarang Radke 9429f4f5df23SVikas Chaudhary return FAILED; 9430f4f5df23SVikas Chaudhary } 9431f4f5df23SVikas Chaudhary 9432c2660df3SVikas Chaudhary ql4_printk(KERN_INFO, ha, 94339cb78c16SHannes Reinecke "scsi(%ld:%d:%d:%llu): HOST RESET ISSUED.\n", ha->host_no, 9434afaf5a2dSDavid Somayajulu cmd->device->channel, cmd->device->id, cmd->device->lun); 9435afaf5a2dSDavid Somayajulu 9436afaf5a2dSDavid Somayajulu if (qla4xxx_wait_for_hba_online(ha) != QLA_SUCCESS) { 9437afaf5a2dSDavid Somayajulu DEBUG2(printk("scsi%ld:%d: %s: Unable to reset host. Adapter " 9438afaf5a2dSDavid Somayajulu "DEAD.\n", ha->host_no, cmd->device->channel, 9439afaf5a2dSDavid Somayajulu __func__)); 9440afaf5a2dSDavid Somayajulu 9441afaf5a2dSDavid Somayajulu return FAILED; 9442afaf5a2dSDavid Somayajulu } 9443afaf5a2dSDavid Somayajulu 9444f4f5df23SVikas Chaudhary if (!test_bit(DPC_RESET_HA, &ha->dpc_flags)) { 94456e7b4292SVikas Chaudhary if (is_qla80XX(ha)) 9446f4f5df23SVikas Chaudhary set_bit(DPC_RESET_HA_FW_CONTEXT, &ha->dpc_flags); 9447f4f5df23SVikas Chaudhary else 9448f4f5df23SVikas Chaudhary set_bit(DPC_RESET_HA, &ha->dpc_flags); 9449f4f5df23SVikas Chaudhary } 945050a29aecSMike Christie 9451f4f5df23SVikas Chaudhary if (qla4xxx_recover_adapter(ha) == QLA_SUCCESS) 9452afaf5a2dSDavid Somayajulu return_status = SUCCESS; 9453afaf5a2dSDavid Somayajulu 9454c2660df3SVikas Chaudhary ql4_printk(KERN_INFO, ha, "HOST RESET %s.\n", 945525985edcSLucas De Marchi return_status == FAILED ? "FAILED" : "SUCCEEDED"); 9456afaf5a2dSDavid Somayajulu 9457afaf5a2dSDavid Somayajulu return return_status; 9458afaf5a2dSDavid Somayajulu } 9459afaf5a2dSDavid Somayajulu 946095d31262SVikas Chaudhary static int qla4xxx_context_reset(struct scsi_qla_host *ha) 946195d31262SVikas Chaudhary { 946295d31262SVikas Chaudhary uint32_t mbox_cmd[MBOX_REG_COUNT]; 946395d31262SVikas Chaudhary uint32_t mbox_sts[MBOX_REG_COUNT]; 946495d31262SVikas Chaudhary struct addr_ctrl_blk_def *acb = NULL; 946595d31262SVikas Chaudhary uint32_t acb_len = sizeof(struct addr_ctrl_blk_def); 946695d31262SVikas Chaudhary int rval = QLA_SUCCESS; 946795d31262SVikas Chaudhary dma_addr_t acb_dma; 946895d31262SVikas Chaudhary 946995d31262SVikas Chaudhary acb = dma_alloc_coherent(&ha->pdev->dev, 947095d31262SVikas Chaudhary sizeof(struct addr_ctrl_blk_def), 947195d31262SVikas Chaudhary &acb_dma, GFP_KERNEL); 947295d31262SVikas Chaudhary if (!acb) { 947395d31262SVikas Chaudhary ql4_printk(KERN_ERR, ha, "%s: Unable to alloc acb\n", 947495d31262SVikas Chaudhary __func__); 947595d31262SVikas Chaudhary rval = -ENOMEM; 947695d31262SVikas Chaudhary goto exit_port_reset; 947795d31262SVikas Chaudhary } 947895d31262SVikas Chaudhary 947995d31262SVikas Chaudhary memset(acb, 0, acb_len); 948095d31262SVikas Chaudhary 948195d31262SVikas Chaudhary rval = qla4xxx_get_acb(ha, acb_dma, PRIMARI_ACB, acb_len); 948295d31262SVikas Chaudhary if (rval != QLA_SUCCESS) { 948395d31262SVikas Chaudhary rval = -EIO; 948495d31262SVikas Chaudhary goto exit_free_acb; 948595d31262SVikas Chaudhary } 948695d31262SVikas Chaudhary 948795d31262SVikas Chaudhary rval = qla4xxx_disable_acb(ha); 948895d31262SVikas Chaudhary if (rval != QLA_SUCCESS) { 948995d31262SVikas Chaudhary rval = -EIO; 949095d31262SVikas Chaudhary goto exit_free_acb; 949195d31262SVikas Chaudhary } 949295d31262SVikas Chaudhary 949395d31262SVikas Chaudhary wait_for_completion_timeout(&ha->disable_acb_comp, 949495d31262SVikas Chaudhary DISABLE_ACB_TOV * HZ); 949595d31262SVikas Chaudhary 949695d31262SVikas Chaudhary rval = qla4xxx_set_acb(ha, &mbox_cmd[0], &mbox_sts[0], acb_dma); 949795d31262SVikas Chaudhary if (rval != QLA_SUCCESS) { 949895d31262SVikas Chaudhary rval = -EIO; 949995d31262SVikas Chaudhary goto exit_free_acb; 950095d31262SVikas Chaudhary } 950195d31262SVikas Chaudhary 950295d31262SVikas Chaudhary exit_free_acb: 950395d31262SVikas Chaudhary dma_free_coherent(&ha->pdev->dev, sizeof(struct addr_ctrl_blk_def), 950495d31262SVikas Chaudhary acb, acb_dma); 950595d31262SVikas Chaudhary exit_port_reset: 950695d31262SVikas Chaudhary DEBUG2(ql4_printk(KERN_INFO, ha, "%s %s\n", __func__, 950795d31262SVikas Chaudhary rval == QLA_SUCCESS ? "SUCCEEDED" : "FAILED")); 950895d31262SVikas Chaudhary return rval; 950995d31262SVikas Chaudhary } 951095d31262SVikas Chaudhary 951195d31262SVikas Chaudhary static int qla4xxx_host_reset(struct Scsi_Host *shost, int reset_type) 951295d31262SVikas Chaudhary { 951395d31262SVikas Chaudhary struct scsi_qla_host *ha = to_qla_host(shost); 951495d31262SVikas Chaudhary int rval = QLA_SUCCESS; 9515ebd777deSVikas Chaudhary uint32_t idc_ctrl; 951695d31262SVikas Chaudhary 951795d31262SVikas Chaudhary if (ql4xdontresethba) { 951895d31262SVikas Chaudhary DEBUG2(ql4_printk(KERN_INFO, ha, "%s: Don't Reset HBA\n", 951995d31262SVikas Chaudhary __func__)); 952095d31262SVikas Chaudhary rval = -EPERM; 952195d31262SVikas Chaudhary goto exit_host_reset; 952295d31262SVikas Chaudhary } 952395d31262SVikas Chaudhary 952495d31262SVikas Chaudhary if (test_bit(DPC_RESET_HA, &ha->dpc_flags)) 952595d31262SVikas Chaudhary goto recover_adapter; 952695d31262SVikas Chaudhary 952795d31262SVikas Chaudhary switch (reset_type) { 952895d31262SVikas Chaudhary case SCSI_ADAPTER_RESET: 952995d31262SVikas Chaudhary set_bit(DPC_RESET_HA, &ha->dpc_flags); 953095d31262SVikas Chaudhary break; 953195d31262SVikas Chaudhary case SCSI_FIRMWARE_RESET: 953295d31262SVikas Chaudhary if (!test_bit(DPC_RESET_HA, &ha->dpc_flags)) { 95336e7b4292SVikas Chaudhary if (is_qla80XX(ha)) 953495d31262SVikas Chaudhary /* set firmware context reset */ 953595d31262SVikas Chaudhary set_bit(DPC_RESET_HA_FW_CONTEXT, 953695d31262SVikas Chaudhary &ha->dpc_flags); 953795d31262SVikas Chaudhary else { 953895d31262SVikas Chaudhary rval = qla4xxx_context_reset(ha); 953995d31262SVikas Chaudhary goto exit_host_reset; 954095d31262SVikas Chaudhary } 954195d31262SVikas Chaudhary } 954295d31262SVikas Chaudhary break; 954395d31262SVikas Chaudhary } 954495d31262SVikas Chaudhary 954595d31262SVikas Chaudhary recover_adapter: 9546b37ca418SVikas Chaudhary /* For ISP8324 and ISP8042 set graceful reset bit in IDC_DRV_CTRL if 9547ebd777deSVikas Chaudhary * reset is issued by application */ 9548b37ca418SVikas Chaudhary if ((is_qla8032(ha) || is_qla8042(ha)) && 9549b37ca418SVikas Chaudhary test_bit(DPC_RESET_HA, &ha->dpc_flags)) { 9550ebd777deSVikas Chaudhary idc_ctrl = qla4_83xx_rd_reg(ha, QLA83XX_IDC_DRV_CTRL); 9551ebd777deSVikas Chaudhary qla4_83xx_wr_reg(ha, QLA83XX_IDC_DRV_CTRL, 9552ebd777deSVikas Chaudhary (idc_ctrl | GRACEFUL_RESET_BIT1)); 9553ebd777deSVikas Chaudhary } 9554ebd777deSVikas Chaudhary 955595d31262SVikas Chaudhary rval = qla4xxx_recover_adapter(ha); 955695d31262SVikas Chaudhary if (rval != QLA_SUCCESS) { 955795d31262SVikas Chaudhary DEBUG2(ql4_printk(KERN_INFO, ha, "%s: recover adapter fail\n", 955895d31262SVikas Chaudhary __func__)); 955995d31262SVikas Chaudhary rval = -EIO; 956095d31262SVikas Chaudhary } 956195d31262SVikas Chaudhary 956295d31262SVikas Chaudhary exit_host_reset: 956395d31262SVikas Chaudhary return rval; 956495d31262SVikas Chaudhary } 956595d31262SVikas Chaudhary 95662232be0dSLalit Chandivade /* PCI AER driver recovers from all correctable errors w/o 95672232be0dSLalit Chandivade * driver intervention. For uncorrectable errors PCI AER 95682232be0dSLalit Chandivade * driver calls the following device driver's callbacks 95692232be0dSLalit Chandivade * 95702232be0dSLalit Chandivade * - Fatal Errors - link_reset 9571364757e4SCao jin * - Non-Fatal Errors - driver's error_detected() which 95722232be0dSLalit Chandivade * returns CAN_RECOVER, NEED_RESET or DISCONNECT. 95732232be0dSLalit Chandivade * 95742232be0dSLalit Chandivade * PCI AER driver calls 9575364757e4SCao jin * CAN_RECOVER - driver's mmio_enabled(), mmio_enabled() 95762232be0dSLalit Chandivade * returns RECOVERED or NEED_RESET if fw_hung 95772232be0dSLalit Chandivade * NEED_RESET - driver's slot_reset() 95782232be0dSLalit Chandivade * DISCONNECT - device is dead & cannot recover 9579364757e4SCao jin * RECOVERED - driver's resume() 95802232be0dSLalit Chandivade */ 95812232be0dSLalit Chandivade static pci_ers_result_t 95822232be0dSLalit Chandivade qla4xxx_pci_error_detected(struct pci_dev *pdev, pci_channel_state_t state) 95832232be0dSLalit Chandivade { 95842232be0dSLalit Chandivade struct scsi_qla_host *ha = pci_get_drvdata(pdev); 95852232be0dSLalit Chandivade 95862232be0dSLalit Chandivade ql4_printk(KERN_WARNING, ha, "scsi%ld: %s: error detected:state %x\n", 95872232be0dSLalit Chandivade ha->host_no, __func__, state); 95882232be0dSLalit Chandivade 95892232be0dSLalit Chandivade if (!is_aer_supported(ha)) 95902232be0dSLalit Chandivade return PCI_ERS_RESULT_NONE; 95912232be0dSLalit Chandivade 95922232be0dSLalit Chandivade switch (state) { 95932232be0dSLalit Chandivade case pci_channel_io_normal: 95942232be0dSLalit Chandivade clear_bit(AF_EEH_BUSY, &ha->flags); 95952232be0dSLalit Chandivade return PCI_ERS_RESULT_CAN_RECOVER; 95962232be0dSLalit Chandivade case pci_channel_io_frozen: 95972232be0dSLalit Chandivade set_bit(AF_EEH_BUSY, &ha->flags); 95982232be0dSLalit Chandivade qla4xxx_mailbox_premature_completion(ha); 95992232be0dSLalit Chandivade qla4xxx_free_irqs(ha); 96002232be0dSLalit Chandivade pci_disable_device(pdev); 96017b3595dfSVikas Chaudhary /* Return back all IOs */ 96027b3595dfSVikas Chaudhary qla4xxx_abort_active_cmds(ha, DID_RESET << 16); 96032232be0dSLalit Chandivade return PCI_ERS_RESULT_NEED_RESET; 96042232be0dSLalit Chandivade case pci_channel_io_perm_failure: 96052232be0dSLalit Chandivade set_bit(AF_EEH_BUSY, &ha->flags); 96062232be0dSLalit Chandivade set_bit(AF_PCI_CHANNEL_IO_PERM_FAILURE, &ha->flags); 96072232be0dSLalit Chandivade qla4xxx_abort_active_cmds(ha, DID_NO_CONNECT << 16); 96082232be0dSLalit Chandivade return PCI_ERS_RESULT_DISCONNECT; 96092232be0dSLalit Chandivade } 96102232be0dSLalit Chandivade return PCI_ERS_RESULT_NEED_RESET; 96112232be0dSLalit Chandivade } 96122232be0dSLalit Chandivade 96132232be0dSLalit Chandivade /** 96142232be0dSLalit Chandivade * qla4xxx_pci_mmio_enabled() gets called if 96152232be0dSLalit Chandivade * qla4xxx_pci_error_detected() returns PCI_ERS_RESULT_CAN_RECOVER 96162232be0dSLalit Chandivade * and read/write to the device still works. 96172232be0dSLalit Chandivade **/ 96182232be0dSLalit Chandivade static pci_ers_result_t 96192232be0dSLalit Chandivade qla4xxx_pci_mmio_enabled(struct pci_dev *pdev) 96202232be0dSLalit Chandivade { 96212232be0dSLalit Chandivade struct scsi_qla_host *ha = pci_get_drvdata(pdev); 96222232be0dSLalit Chandivade 96232232be0dSLalit Chandivade if (!is_aer_supported(ha)) 96242232be0dSLalit Chandivade return PCI_ERS_RESULT_NONE; 96252232be0dSLalit Chandivade 96262232be0dSLalit Chandivade return PCI_ERS_RESULT_RECOVERED; 96272232be0dSLalit Chandivade } 96282232be0dSLalit Chandivade 96297b3595dfSVikas Chaudhary static uint32_t qla4_8xxx_error_recovery(struct scsi_qla_host *ha) 96302232be0dSLalit Chandivade { 96312232be0dSLalit Chandivade uint32_t rval = QLA_ERROR; 96322232be0dSLalit Chandivade int fn; 96332232be0dSLalit Chandivade struct pci_dev *other_pdev = NULL; 96342232be0dSLalit Chandivade 96352232be0dSLalit Chandivade ql4_printk(KERN_WARNING, ha, "scsi%ld: In %s\n", ha->host_no, __func__); 96362232be0dSLalit Chandivade 96372232be0dSLalit Chandivade set_bit(DPC_RESET_ACTIVE, &ha->dpc_flags); 96382232be0dSLalit Chandivade 96392232be0dSLalit Chandivade if (test_bit(AF_ONLINE, &ha->flags)) { 96402232be0dSLalit Chandivade clear_bit(AF_ONLINE, &ha->flags); 9641b3a271a9SManish Rangankar clear_bit(AF_LINK_UP, &ha->flags); 9642b3a271a9SManish Rangankar iscsi_host_for_each_session(ha->host, qla4xxx_fail_session); 96432232be0dSLalit Chandivade qla4xxx_process_aen(ha, FLUSH_DDB_CHANGED_AENS); 96442232be0dSLalit Chandivade } 96452232be0dSLalit Chandivade 96462232be0dSLalit Chandivade fn = PCI_FUNC(ha->pdev->devfn); 9647daa34eb4STej Parkash if (is_qla8022(ha)) { 96482232be0dSLalit Chandivade while (fn > 0) { 96492232be0dSLalit Chandivade fn--; 9650daa34eb4STej Parkash ql4_printk(KERN_INFO, ha, "scsi%ld: %s: Finding PCI device at func %x\n", 9651daa34eb4STej Parkash ha->host_no, __func__, fn); 96522232be0dSLalit Chandivade /* Get the pci device given the domain, bus, 96532232be0dSLalit Chandivade * slot/function number */ 9654daa34eb4STej Parkash other_pdev = pci_get_domain_bus_and_slot( 9655daa34eb4STej Parkash pci_domain_nr(ha->pdev->bus), 9656daa34eb4STej Parkash ha->pdev->bus->number, 9657daa34eb4STej Parkash PCI_DEVFN(PCI_SLOT(ha->pdev->devfn), 96582232be0dSLalit Chandivade fn)); 96592232be0dSLalit Chandivade 96602232be0dSLalit Chandivade if (!other_pdev) 96612232be0dSLalit Chandivade continue; 96622232be0dSLalit Chandivade 96632232be0dSLalit Chandivade if (atomic_read(&other_pdev->enable_cnt)) { 9664daa34eb4STej Parkash ql4_printk(KERN_INFO, ha, "scsi%ld: %s: Found PCI func in enabled state%x\n", 9665daa34eb4STej Parkash ha->host_no, __func__, fn); 96662232be0dSLalit Chandivade pci_dev_put(other_pdev); 96672232be0dSLalit Chandivade break; 96682232be0dSLalit Chandivade } 96692232be0dSLalit Chandivade pci_dev_put(other_pdev); 96702232be0dSLalit Chandivade } 9671daa34eb4STej Parkash } else { 9672daa34eb4STej Parkash /* this case is meant for ISP83xx/ISP84xx only */ 9673daa34eb4STej Parkash if (qla4_83xx_can_perform_reset(ha)) { 9674daa34eb4STej Parkash /* reset fn as iSCSI is going to perform the reset */ 9675daa34eb4STej Parkash fn = 0; 9676daa34eb4STej Parkash } 9677daa34eb4STej Parkash } 96782232be0dSLalit Chandivade 96792232be0dSLalit Chandivade /* The first function on the card, the reset owner will 96802232be0dSLalit Chandivade * start & initialize the firmware. The other functions 96812232be0dSLalit Chandivade * on the card will reset the firmware context 96822232be0dSLalit Chandivade */ 96832232be0dSLalit Chandivade if (!fn) { 96842232be0dSLalit Chandivade ql4_printk(KERN_INFO, ha, "scsi%ld: %s: devfn being reset " 96852232be0dSLalit Chandivade "0x%x is the owner\n", ha->host_no, __func__, 96862232be0dSLalit Chandivade ha->pdev->devfn); 96872232be0dSLalit Chandivade 968833693c7aSVikas Chaudhary ha->isp_ops->idc_lock(ha); 968933693c7aSVikas Chaudhary qla4_8xxx_wr_direct(ha, QLA8XXX_CRB_DEV_STATE, 9690de8c72daSVikas Chaudhary QLA8XXX_DEV_COLD); 969133693c7aSVikas Chaudhary ha->isp_ops->idc_unlock(ha); 96922232be0dSLalit Chandivade 969339c95826SVikas Chaudhary rval = qla4_8xxx_update_idc_reg(ha); 969439c95826SVikas Chaudhary if (rval == QLA_ERROR) { 969539c95826SVikas Chaudhary ql4_printk(KERN_INFO, ha, "scsi%ld: %s: HW State: FAILED\n", 969639c95826SVikas Chaudhary ha->host_no, __func__); 969739c95826SVikas Chaudhary ha->isp_ops->idc_lock(ha); 969839c95826SVikas Chaudhary qla4_8xxx_wr_direct(ha, QLA8XXX_CRB_DEV_STATE, 969939c95826SVikas Chaudhary QLA8XXX_DEV_FAILED); 970039c95826SVikas Chaudhary ha->isp_ops->idc_unlock(ha); 970139c95826SVikas Chaudhary goto exit_error_recovery; 970239c95826SVikas Chaudhary } 97032232be0dSLalit Chandivade 97042232be0dSLalit Chandivade clear_bit(AF_FW_RECOVERY, &ha->flags); 970513483730SMike Christie rval = qla4xxx_initialize_adapter(ha, RESET_ADAPTER); 97062232be0dSLalit Chandivade 97072232be0dSLalit Chandivade if (rval != QLA_SUCCESS) { 97082232be0dSLalit Chandivade ql4_printk(KERN_INFO, ha, "scsi%ld: %s: HW State: " 97092232be0dSLalit Chandivade "FAILED\n", ha->host_no, __func__); 971037418cc6SNilesh Javali qla4xxx_free_irqs(ha); 971182761907SPoornima Vonti ha->isp_ops->idc_lock(ha); 97122232be0dSLalit Chandivade qla4_8xxx_clear_drv_active(ha); 971333693c7aSVikas Chaudhary qla4_8xxx_wr_direct(ha, QLA8XXX_CRB_DEV_STATE, 9714de8c72daSVikas Chaudhary QLA8XXX_DEV_FAILED); 971582761907SPoornima Vonti ha->isp_ops->idc_unlock(ha); 97162232be0dSLalit Chandivade } else { 97172232be0dSLalit Chandivade ql4_printk(KERN_INFO, ha, "scsi%ld: %s: HW State: " 97182232be0dSLalit Chandivade "READY\n", ha->host_no, __func__); 971982761907SPoornima Vonti ha->isp_ops->idc_lock(ha); 972033693c7aSVikas Chaudhary qla4_8xxx_wr_direct(ha, QLA8XXX_CRB_DEV_STATE, 9721de8c72daSVikas Chaudhary QLA8XXX_DEV_READY); 97222232be0dSLalit Chandivade /* Clear driver state register */ 972333693c7aSVikas Chaudhary qla4_8xxx_wr_direct(ha, QLA8XXX_CRB_DRV_STATE, 0); 97242232be0dSLalit Chandivade qla4_8xxx_set_drv_active(ha); 972582761907SPoornima Vonti ha->isp_ops->idc_unlock(ha); 97262232be0dSLalit Chandivade ha->isp_ops->enable_intrs(ha); 97272232be0dSLalit Chandivade } 97282232be0dSLalit Chandivade } else { 97292232be0dSLalit Chandivade ql4_printk(KERN_INFO, ha, "scsi%ld: %s: devfn 0x%x is not " 97302232be0dSLalit Chandivade "the reset owner\n", ha->host_no, __func__, 97312232be0dSLalit Chandivade ha->pdev->devfn); 973233693c7aSVikas Chaudhary if ((qla4_8xxx_rd_direct(ha, QLA8XXX_CRB_DEV_STATE) == 9733de8c72daSVikas Chaudhary QLA8XXX_DEV_READY)) { 97342232be0dSLalit Chandivade clear_bit(AF_FW_RECOVERY, &ha->flags); 973513483730SMike Christie rval = qla4xxx_initialize_adapter(ha, RESET_ADAPTER); 9736137257daSPoornima Vonti if (rval == QLA_SUCCESS) 97372232be0dSLalit Chandivade ha->isp_ops->enable_intrs(ha); 973837418cc6SNilesh Javali else 973937418cc6SNilesh Javali qla4xxx_free_irqs(ha); 9740137257daSPoornima Vonti 974133693c7aSVikas Chaudhary ha->isp_ops->idc_lock(ha); 97422232be0dSLalit Chandivade qla4_8xxx_set_drv_active(ha); 974333693c7aSVikas Chaudhary ha->isp_ops->idc_unlock(ha); 97442232be0dSLalit Chandivade } 97452232be0dSLalit Chandivade } 974639c95826SVikas Chaudhary exit_error_recovery: 97472232be0dSLalit Chandivade clear_bit(DPC_RESET_ACTIVE, &ha->dpc_flags); 97482232be0dSLalit Chandivade return rval; 97492232be0dSLalit Chandivade } 97502232be0dSLalit Chandivade 97512232be0dSLalit Chandivade static pci_ers_result_t 97522232be0dSLalit Chandivade qla4xxx_pci_slot_reset(struct pci_dev *pdev) 97532232be0dSLalit Chandivade { 97542232be0dSLalit Chandivade pci_ers_result_t ret = PCI_ERS_RESULT_DISCONNECT; 97552232be0dSLalit Chandivade struct scsi_qla_host *ha = pci_get_drvdata(pdev); 97562232be0dSLalit Chandivade int rc; 97572232be0dSLalit Chandivade 97582232be0dSLalit Chandivade ql4_printk(KERN_WARNING, ha, "scsi%ld: %s: slot_reset\n", 97592232be0dSLalit Chandivade ha->host_no, __func__); 97602232be0dSLalit Chandivade 97612232be0dSLalit Chandivade if (!is_aer_supported(ha)) 97622232be0dSLalit Chandivade return PCI_ERS_RESULT_NONE; 97632232be0dSLalit Chandivade 97642232be0dSLalit Chandivade /* Restore the saved state of PCIe device - 97652232be0dSLalit Chandivade * BAR registers, PCI Config space, PCIX, MSI, 97662232be0dSLalit Chandivade * IOV states 97672232be0dSLalit Chandivade */ 97682232be0dSLalit Chandivade pci_restore_state(pdev); 97692232be0dSLalit Chandivade 97702232be0dSLalit Chandivade /* pci_restore_state() clears the saved_state flag of the device 97712232be0dSLalit Chandivade * save restored state which resets saved_state flag 97722232be0dSLalit Chandivade */ 97732232be0dSLalit Chandivade pci_save_state(pdev); 97742232be0dSLalit Chandivade 97752232be0dSLalit Chandivade /* Initialize device or resume if in suspended state */ 97762232be0dSLalit Chandivade rc = pci_enable_device(pdev); 97772232be0dSLalit Chandivade if (rc) { 977825985edcSLucas De Marchi ql4_printk(KERN_WARNING, ha, "scsi%ld: %s: Can't re-enable " 97792232be0dSLalit Chandivade "device after reset\n", ha->host_no, __func__); 97802232be0dSLalit Chandivade goto exit_slot_reset; 97812232be0dSLalit Chandivade } 97822232be0dSLalit Chandivade 97837b3595dfSVikas Chaudhary ha->isp_ops->disable_intrs(ha); 97842232be0dSLalit Chandivade 97856e7b4292SVikas Chaudhary if (is_qla80XX(ha)) { 97862232be0dSLalit Chandivade if (qla4_8xxx_error_recovery(ha) == QLA_SUCCESS) { 97872232be0dSLalit Chandivade ret = PCI_ERS_RESULT_RECOVERED; 97882232be0dSLalit Chandivade goto exit_slot_reset; 97892232be0dSLalit Chandivade } else 97902232be0dSLalit Chandivade goto exit_slot_reset; 97912232be0dSLalit Chandivade } 97922232be0dSLalit Chandivade 97932232be0dSLalit Chandivade exit_slot_reset: 97942232be0dSLalit Chandivade ql4_printk(KERN_WARNING, ha, "scsi%ld: %s: Return=%x\n" 97952232be0dSLalit Chandivade "device after reset\n", ha->host_no, __func__, ret); 97962232be0dSLalit Chandivade return ret; 97972232be0dSLalit Chandivade } 97982232be0dSLalit Chandivade 97992232be0dSLalit Chandivade static void 98002232be0dSLalit Chandivade qla4xxx_pci_resume(struct pci_dev *pdev) 98012232be0dSLalit Chandivade { 98022232be0dSLalit Chandivade struct scsi_qla_host *ha = pci_get_drvdata(pdev); 98032232be0dSLalit Chandivade int ret; 98042232be0dSLalit Chandivade 98052232be0dSLalit Chandivade ql4_printk(KERN_WARNING, ha, "scsi%ld: %s: pci_resume\n", 98062232be0dSLalit Chandivade ha->host_no, __func__); 98072232be0dSLalit Chandivade 98082232be0dSLalit Chandivade ret = qla4xxx_wait_for_hba_online(ha); 98092232be0dSLalit Chandivade if (ret != QLA_SUCCESS) { 98102232be0dSLalit Chandivade ql4_printk(KERN_ERR, ha, "scsi%ld: %s: the device failed to " 98112232be0dSLalit Chandivade "resume I/O from slot/link_reset\n", ha->host_no, 98122232be0dSLalit Chandivade __func__); 98132232be0dSLalit Chandivade } 98142232be0dSLalit Chandivade 98152232be0dSLalit Chandivade clear_bit(AF_EEH_BUSY, &ha->flags); 98162232be0dSLalit Chandivade } 98172232be0dSLalit Chandivade 9818a55b2d21SStephen Hemminger static const struct pci_error_handlers qla4xxx_err_handler = { 98192232be0dSLalit Chandivade .error_detected = qla4xxx_pci_error_detected, 98202232be0dSLalit Chandivade .mmio_enabled = qla4xxx_pci_mmio_enabled, 98212232be0dSLalit Chandivade .slot_reset = qla4xxx_pci_slot_reset, 98222232be0dSLalit Chandivade .resume = qla4xxx_pci_resume, 98232232be0dSLalit Chandivade }; 98242232be0dSLalit Chandivade 9825afaf5a2dSDavid Somayajulu static struct pci_device_id qla4xxx_pci_tbl[] = { 9826afaf5a2dSDavid Somayajulu { 9827afaf5a2dSDavid Somayajulu .vendor = PCI_VENDOR_ID_QLOGIC, 9828afaf5a2dSDavid Somayajulu .device = PCI_DEVICE_ID_QLOGIC_ISP4010, 9829afaf5a2dSDavid Somayajulu .subvendor = PCI_ANY_ID, 9830afaf5a2dSDavid Somayajulu .subdevice = PCI_ANY_ID, 9831afaf5a2dSDavid Somayajulu }, 9832afaf5a2dSDavid Somayajulu { 9833afaf5a2dSDavid Somayajulu .vendor = PCI_VENDOR_ID_QLOGIC, 9834afaf5a2dSDavid Somayajulu .device = PCI_DEVICE_ID_QLOGIC_ISP4022, 9835afaf5a2dSDavid Somayajulu .subvendor = PCI_ANY_ID, 9836afaf5a2dSDavid Somayajulu .subdevice = PCI_ANY_ID, 9837afaf5a2dSDavid Somayajulu }, 9838d915058fSDavid C Somayajulu { 9839d915058fSDavid C Somayajulu .vendor = PCI_VENDOR_ID_QLOGIC, 9840d915058fSDavid C Somayajulu .device = PCI_DEVICE_ID_QLOGIC_ISP4032, 9841d915058fSDavid C Somayajulu .subvendor = PCI_ANY_ID, 9842d915058fSDavid C Somayajulu .subdevice = PCI_ANY_ID, 9843d915058fSDavid C Somayajulu }, 9844f4f5df23SVikas Chaudhary { 9845f4f5df23SVikas Chaudhary .vendor = PCI_VENDOR_ID_QLOGIC, 9846f4f5df23SVikas Chaudhary .device = PCI_DEVICE_ID_QLOGIC_ISP8022, 9847f4f5df23SVikas Chaudhary .subvendor = PCI_ANY_ID, 9848f4f5df23SVikas Chaudhary .subdevice = PCI_ANY_ID, 9849f4f5df23SVikas Chaudhary }, 98506e7b4292SVikas Chaudhary { 98516e7b4292SVikas Chaudhary .vendor = PCI_VENDOR_ID_QLOGIC, 98526e7b4292SVikas Chaudhary .device = PCI_DEVICE_ID_QLOGIC_ISP8324, 98536e7b4292SVikas Chaudhary .subvendor = PCI_ANY_ID, 98546e7b4292SVikas Chaudhary .subdevice = PCI_ANY_ID, 98556e7b4292SVikas Chaudhary }, 9856b37ca418SVikas Chaudhary { 9857b37ca418SVikas Chaudhary .vendor = PCI_VENDOR_ID_QLOGIC, 9858b37ca418SVikas Chaudhary .device = PCI_DEVICE_ID_QLOGIC_ISP8042, 9859b37ca418SVikas Chaudhary .subvendor = PCI_ANY_ID, 9860b37ca418SVikas Chaudhary .subdevice = PCI_ANY_ID, 9861b37ca418SVikas Chaudhary }, 9862afaf5a2dSDavid Somayajulu {0, 0}, 9863afaf5a2dSDavid Somayajulu }; 9864afaf5a2dSDavid Somayajulu MODULE_DEVICE_TABLE(pci, qla4xxx_pci_tbl); 9865afaf5a2dSDavid Somayajulu 986647975477SAdrian Bunk static struct pci_driver qla4xxx_pci_driver = { 9867afaf5a2dSDavid Somayajulu .name = DRIVER_NAME, 9868afaf5a2dSDavid Somayajulu .id_table = qla4xxx_pci_tbl, 9869afaf5a2dSDavid Somayajulu .probe = qla4xxx_probe_adapter, 9870afaf5a2dSDavid Somayajulu .remove = qla4xxx_remove_adapter, 98712232be0dSLalit Chandivade .err_handler = &qla4xxx_err_handler, 9872afaf5a2dSDavid Somayajulu }; 9873afaf5a2dSDavid Somayajulu 9874afaf5a2dSDavid Somayajulu static int __init qla4xxx_module_init(void) 9875afaf5a2dSDavid Somayajulu { 9876afaf5a2dSDavid Somayajulu int ret; 9877afaf5a2dSDavid Somayajulu 9878c40ecc12SChristoph Hellwig if (ql4xqfulltracking) 9879c40ecc12SChristoph Hellwig qla4xxx_driver_template.track_queue_depth = 1; 9880c40ecc12SChristoph Hellwig 9881afaf5a2dSDavid Somayajulu /* Allocate cache for SRBs. */ 9882afaf5a2dSDavid Somayajulu srb_cachep = kmem_cache_create("qla4xxx_srbs", sizeof(struct srb), 0, 988320c2df83SPaul Mundt SLAB_HWCACHE_ALIGN, NULL); 9884afaf5a2dSDavid Somayajulu if (srb_cachep == NULL) { 9885afaf5a2dSDavid Somayajulu printk(KERN_ERR 9886afaf5a2dSDavid Somayajulu "%s: Unable to allocate SRB cache..." 9887afaf5a2dSDavid Somayajulu "Failing load!\n", DRIVER_NAME); 9888afaf5a2dSDavid Somayajulu ret = -ENOMEM; 9889afaf5a2dSDavid Somayajulu goto no_srp_cache; 9890afaf5a2dSDavid Somayajulu } 9891afaf5a2dSDavid Somayajulu 9892afaf5a2dSDavid Somayajulu /* Derive version string. */ 9893afaf5a2dSDavid Somayajulu strcpy(qla4xxx_version_str, QLA4XXX_DRIVER_VERSION); 989411010fecSAndrew Vasquez if (ql4xextended_error_logging) 9895afaf5a2dSDavid Somayajulu strcat(qla4xxx_version_str, "-debug"); 9896afaf5a2dSDavid Somayajulu 9897afaf5a2dSDavid Somayajulu qla4xxx_scsi_transport = 9898afaf5a2dSDavid Somayajulu iscsi_register_transport(&qla4xxx_iscsi_transport); 9899afaf5a2dSDavid Somayajulu if (!qla4xxx_scsi_transport){ 9900afaf5a2dSDavid Somayajulu ret = -ENODEV; 9901afaf5a2dSDavid Somayajulu goto release_srb_cache; 9902afaf5a2dSDavid Somayajulu } 9903afaf5a2dSDavid Somayajulu 9904afaf5a2dSDavid Somayajulu ret = pci_register_driver(&qla4xxx_pci_driver); 9905afaf5a2dSDavid Somayajulu if (ret) 9906afaf5a2dSDavid Somayajulu goto unregister_transport; 9907afaf5a2dSDavid Somayajulu 9908afaf5a2dSDavid Somayajulu printk(KERN_INFO "QLogic iSCSI HBA Driver\n"); 9909afaf5a2dSDavid Somayajulu return 0; 99105ae16db3SDoug Maxey 9911afaf5a2dSDavid Somayajulu unregister_transport: 9912afaf5a2dSDavid Somayajulu iscsi_unregister_transport(&qla4xxx_iscsi_transport); 9913afaf5a2dSDavid Somayajulu release_srb_cache: 9914afaf5a2dSDavid Somayajulu kmem_cache_destroy(srb_cachep); 9915afaf5a2dSDavid Somayajulu no_srp_cache: 9916afaf5a2dSDavid Somayajulu return ret; 9917afaf5a2dSDavid Somayajulu } 9918afaf5a2dSDavid Somayajulu 9919afaf5a2dSDavid Somayajulu static void __exit qla4xxx_module_exit(void) 9920afaf5a2dSDavid Somayajulu { 9921afaf5a2dSDavid Somayajulu pci_unregister_driver(&qla4xxx_pci_driver); 9922afaf5a2dSDavid Somayajulu iscsi_unregister_transport(&qla4xxx_iscsi_transport); 9923afaf5a2dSDavid Somayajulu kmem_cache_destroy(srb_cachep); 9924afaf5a2dSDavid Somayajulu } 9925afaf5a2dSDavid Somayajulu 9926afaf5a2dSDavid Somayajulu module_init(qla4xxx_module_init); 9927afaf5a2dSDavid Somayajulu module_exit(qla4xxx_module_exit); 9928afaf5a2dSDavid Somayajulu 9929afaf5a2dSDavid Somayajulu MODULE_AUTHOR("QLogic Corporation"); 9930afaf5a2dSDavid Somayajulu MODULE_DESCRIPTION("QLogic iSCSI HBA Driver"); 9931afaf5a2dSDavid Somayajulu MODULE_LICENSE("GPL"); 9932afaf5a2dSDavid Somayajulu MODULE_VERSION(QLA4XXX_DRIVER_VERSION); 9933