1e3976af5SThomas Gleixner // SPDX-License-Identifier: GPL-2.0-only 2afaf5a2dSDavid Somayajulu /* 3afaf5a2dSDavid Somayajulu * QLogic iSCSI HBA Driver 44a4f51e9SVikas Chaudhary * Copyright (c) 2003-2013 QLogic Corporation 5afaf5a2dSDavid Somayajulu */ 6afaf5a2dSDavid Somayajulu #include <linux/moduleparam.h> 75a0e3ad6STejun Heo #include <linux/slab.h> 82a991c21SManish Rangankar #include <linux/blkdev.h> 92a991c21SManish Rangankar #include <linux/iscsi_boot_sysfs.h> 1013483730SMike Christie #include <linux/inet.h> 11afaf5a2dSDavid Somayajulu 12afaf5a2dSDavid Somayajulu #include <scsi/scsi_tcq.h> 13afaf5a2dSDavid Somayajulu #include <scsi/scsicam.h> 14afaf5a2dSDavid Somayajulu 15afaf5a2dSDavid Somayajulu #include "ql4_def.h" 16bee4fe8eSDavid C Somayajulu #include "ql4_version.h" 17bee4fe8eSDavid C Somayajulu #include "ql4_glbl.h" 18bee4fe8eSDavid C Somayajulu #include "ql4_dbg.h" 19bee4fe8eSDavid C Somayajulu #include "ql4_inline.h" 206e7b4292SVikas Chaudhary #include "ql4_83xx.h" 21afaf5a2dSDavid Somayajulu 22afaf5a2dSDavid Somayajulu /* 23afaf5a2dSDavid Somayajulu * Driver version 24afaf5a2dSDavid Somayajulu */ 2547975477SAdrian Bunk static char qla4xxx_version_str[40]; 26afaf5a2dSDavid Somayajulu 27afaf5a2dSDavid Somayajulu /* 28afaf5a2dSDavid Somayajulu * SRB allocation cache 29afaf5a2dSDavid Somayajulu */ 30e18b890bSChristoph Lameter static struct kmem_cache *srb_cachep; 31afaf5a2dSDavid Somayajulu 32afaf5a2dSDavid Somayajulu /* 33afaf5a2dSDavid Somayajulu * Module parameter information and variables 34afaf5a2dSDavid Somayajulu */ 35a7380a65SVikas Chaudhary static int ql4xdisablesysfsboot = 1; 3613483730SMike Christie module_param(ql4xdisablesysfsboot, int, S_IRUGO | S_IWUSR); 3713483730SMike Christie MODULE_PARM_DESC(ql4xdisablesysfsboot, 38a4e8a715SKaren Higgins " Set to disable exporting boot targets to sysfs.\n" 39a4e8a715SKaren Higgins "\t\t 0 - Export boot targets\n" 40a4e8a715SKaren Higgins "\t\t 1 - Do not export boot targets (Default)"); 4113483730SMike Christie 423573bfb2SVikas Chaudhary int ql4xdontresethba; 43f4f5df23SVikas Chaudhary module_param(ql4xdontresethba, int, S_IRUGO | S_IWUSR); 44afaf5a2dSDavid Somayajulu MODULE_PARM_DESC(ql4xdontresethba, 45a4e8a715SKaren Higgins " Don't reset the HBA for driver recovery.\n" 46a4e8a715SKaren Higgins "\t\t 0 - It will reset HBA (Default)\n" 47a4e8a715SKaren Higgins "\t\t 1 - It will NOT reset HBA"); 48afaf5a2dSDavid Somayajulu 49a4e8a715SKaren Higgins int ql4xextended_error_logging; 50f4f5df23SVikas Chaudhary module_param(ql4xextended_error_logging, int, S_IRUGO | S_IWUSR); 5111010fecSAndrew Vasquez MODULE_PARM_DESC(ql4xextended_error_logging, 52a4e8a715SKaren Higgins " Option to enable extended error logging.\n" 53a4e8a715SKaren Higgins "\t\t 0 - no logging (Default)\n" 54a4e8a715SKaren Higgins "\t\t 2 - debug logging"); 55afaf5a2dSDavid Somayajulu 56f4f5df23SVikas Chaudhary int ql4xenablemsix = 1; 57f4f5df23SVikas Chaudhary module_param(ql4xenablemsix, int, S_IRUGO|S_IWUSR); 58f4f5df23SVikas Chaudhary MODULE_PARM_DESC(ql4xenablemsix, 59f4f5df23SVikas Chaudhary " Set to enable MSI or MSI-X interrupt mechanism.\n" 60a4e8a715SKaren Higgins "\t\t 0 = enable INTx interrupt mechanism.\n" 61a4e8a715SKaren Higgins "\t\t 1 = enable MSI-X interrupt mechanism (Default).\n" 62a4e8a715SKaren Higgins "\t\t 2 = enable MSI interrupt mechanism."); 63477ffb9dSDavid C Somayajulu 64d510d965SMike Christie #define QL4_DEF_QDEPTH 32 658bb4033dSVikas Chaudhary static int ql4xmaxqdepth = QL4_DEF_QDEPTH; 668bb4033dSVikas Chaudhary module_param(ql4xmaxqdepth, int, S_IRUGO | S_IWUSR); 678bb4033dSVikas Chaudhary MODULE_PARM_DESC(ql4xmaxqdepth, 688bb4033dSVikas Chaudhary " Maximum queue depth to report for target devices.\n" 69a4e8a715SKaren Higgins "\t\t Default: 32."); 70d510d965SMike Christie 71f7b4aa63STej Parkash static int ql4xqfulltracking = 1; 72f7b4aa63STej Parkash module_param(ql4xqfulltracking, int, S_IRUGO | S_IWUSR); 73f7b4aa63STej Parkash MODULE_PARM_DESC(ql4xqfulltracking, 74f7b4aa63STej Parkash " Enable or disable dynamic tracking and adjustment of\n" 75f7b4aa63STej Parkash "\t\t scsi device queue depth.\n" 76f7b4aa63STej Parkash "\t\t 0 - Disable.\n" 77f7b4aa63STej Parkash "\t\t 1 - Enable. (Default)"); 78f7b4aa63STej Parkash 793038727cSVikas Chaudhary static int ql4xsess_recovery_tmo = QL4_SESS_RECOVERY_TMO; 803038727cSVikas Chaudhary module_param(ql4xsess_recovery_tmo, int, S_IRUGO); 813038727cSVikas Chaudhary MODULE_PARM_DESC(ql4xsess_recovery_tmo, 823038727cSVikas Chaudhary " Target Session Recovery Timeout.\n" 83a4e8a715SKaren Higgins "\t\t Default: 120 sec."); 843038727cSVikas Chaudhary 85a511b4afSTej Parkash int ql4xmdcapmask = 0; 86068237c8STej Parkash module_param(ql4xmdcapmask, int, S_IRUGO); 87068237c8STej Parkash MODULE_PARM_DESC(ql4xmdcapmask, 88068237c8STej Parkash " Set the Minidump driver capture mask level.\n" 89a511b4afSTej Parkash "\t\t Default is 0 (firmware default capture mask)\n" 90b410982cSTej Parkash "\t\t Can be set to 0x3, 0x7, 0xF, 0x1F, 0x3F, 0x7F, 0xFF"); 91068237c8STej Parkash 92068237c8STej Parkash int ql4xenablemd = 1; 93068237c8STej Parkash module_param(ql4xenablemd, int, S_IRUGO | S_IWUSR); 94068237c8STej Parkash MODULE_PARM_DESC(ql4xenablemd, 95068237c8STej Parkash " Set to enable minidump.\n" 96068237c8STej Parkash "\t\t 0 - disable minidump\n" 97068237c8STej Parkash "\t\t 1 - enable minidump (Default)"); 98068237c8STej Parkash 99b3a271a9SManish Rangankar static int qla4xxx_wait_for_hba_online(struct scsi_qla_host *ha); 100afaf5a2dSDavid Somayajulu /* 101afaf5a2dSDavid Somayajulu * SCSI host template entry points 102afaf5a2dSDavid Somayajulu */ 10347975477SAdrian Bunk static void qla4xxx_config_dma_addressing(struct scsi_qla_host *ha); 104afaf5a2dSDavid Somayajulu 105afaf5a2dSDavid Somayajulu /* 106afaf5a2dSDavid Somayajulu * iSCSI template entry points 107afaf5a2dSDavid Somayajulu */ 108fca9f04dSMike Christie static int qla4xxx_session_get_param(struct iscsi_cls_session *cls_sess, 109fca9f04dSMike Christie enum iscsi_param param, char *buf); 110afaf5a2dSDavid Somayajulu static int qla4xxx_conn_get_param(struct iscsi_cls_conn *conn, 111afaf5a2dSDavid Somayajulu enum iscsi_param param, char *buf); 112aa1e93a2SMike Christie static int qla4xxx_host_get_param(struct Scsi_Host *shost, 113aa1e93a2SMike Christie enum iscsi_host_param param, char *buf); 11400c31889SMike Christie static int qla4xxx_iface_set_param(struct Scsi_Host *shost, void *data, 11500c31889SMike Christie uint32_t len); 116ed1086e0SVikas Chaudhary static int qla4xxx_get_iface_param(struct iscsi_iface *iface, 117ed1086e0SVikas Chaudhary enum iscsi_param_type param_type, 118ed1086e0SVikas Chaudhary int param, char *buf); 1195c656af7SMike Christie static enum blk_eh_timer_return qla4xxx_eh_cmd_timed_out(struct scsi_cmnd *sc); 120b3a271a9SManish Rangankar static struct iscsi_endpoint *qla4xxx_ep_connect(struct Scsi_Host *shost, 121b3a271a9SManish Rangankar struct sockaddr *dst_addr, 122b3a271a9SManish Rangankar int non_blocking); 123b3a271a9SManish Rangankar static int qla4xxx_ep_poll(struct iscsi_endpoint *ep, int timeout_ms); 124b3a271a9SManish Rangankar static void qla4xxx_ep_disconnect(struct iscsi_endpoint *ep); 125b3a271a9SManish Rangankar static int qla4xxx_get_ep_param(struct iscsi_endpoint *ep, 126b3a271a9SManish Rangankar enum iscsi_param param, char *buf); 127b3a271a9SManish Rangankar static int qla4xxx_conn_start(struct iscsi_cls_conn *conn); 128b3a271a9SManish Rangankar static struct iscsi_cls_conn * 129b3a271a9SManish Rangankar qla4xxx_conn_create(struct iscsi_cls_session *cls_sess, uint32_t conn_idx); 130b3a271a9SManish Rangankar static int qla4xxx_conn_bind(struct iscsi_cls_session *cls_session, 131b3a271a9SManish Rangankar struct iscsi_cls_conn *cls_conn, 132b3a271a9SManish Rangankar uint64_t transport_fd, int is_leading); 133b3a271a9SManish Rangankar static void qla4xxx_conn_destroy(struct iscsi_cls_conn *conn); 134b3a271a9SManish Rangankar static struct iscsi_cls_session * 135b3a271a9SManish Rangankar qla4xxx_session_create(struct iscsi_endpoint *ep, uint16_t cmds_max, 136b3a271a9SManish Rangankar uint16_t qdepth, uint32_t initial_cmdsn); 137b3a271a9SManish Rangankar static void qla4xxx_session_destroy(struct iscsi_cls_session *sess); 138b3a271a9SManish Rangankar static void qla4xxx_task_work(struct work_struct *wdata); 139b3a271a9SManish Rangankar static int qla4xxx_alloc_pdu(struct iscsi_task *, uint8_t); 140b3a271a9SManish Rangankar static int qla4xxx_task_xmit(struct iscsi_task *); 141b3a271a9SManish Rangankar static void qla4xxx_task_cleanup(struct iscsi_task *); 142b3a271a9SManish Rangankar static void qla4xxx_fail_session(struct iscsi_cls_session *cls_session); 143b3a271a9SManish Rangankar static void qla4xxx_conn_get_stats(struct iscsi_cls_conn *cls_conn, 144b3a271a9SManish Rangankar struct iscsi_stats *stats); 145c0b9d3f7SVikas Chaudhary static int qla4xxx_send_ping(struct Scsi_Host *shost, uint32_t iface_num, 146c0b9d3f7SVikas Chaudhary uint32_t iface_type, uint32_t payload_size, 147c0b9d3f7SVikas Chaudhary uint32_t pid, struct sockaddr *dst_addr); 148376738afSNilesh Javali static int qla4xxx_get_chap_list(struct Scsi_Host *shost, uint16_t chap_tbl_idx, 149376738afSNilesh Javali uint32_t *num_entries, char *buf); 150376738afSNilesh Javali static int qla4xxx_delete_chap(struct Scsi_Host *shost, uint16_t chap_tbl_idx); 15126ffd7b4SAdheer Chandravanshi static int qla4xxx_set_chap_entry(struct Scsi_Host *shost, void *data, 15226ffd7b4SAdheer Chandravanshi int len); 1534161cee5SLalit Chandivade static int qla4xxx_get_host_stats(struct Scsi_Host *shost, char *buf, int len); 154c0b9d3f7SVikas Chaudhary 155afaf5a2dSDavid Somayajulu /* 156afaf5a2dSDavid Somayajulu * SCSI host template entry points 157afaf5a2dSDavid Somayajulu */ 158f281233dSJeff Garzik static int qla4xxx_queuecommand(struct Scsi_Host *h, struct scsi_cmnd *cmd); 15909a0f719SVikas Chaudhary static int qla4xxx_eh_abort(struct scsi_cmnd *cmd); 160afaf5a2dSDavid Somayajulu static int qla4xxx_eh_device_reset(struct scsi_cmnd *cmd); 161ce545039SMike Christie static int qla4xxx_eh_target_reset(struct scsi_cmnd *cmd); 162afaf5a2dSDavid Somayajulu static int qla4xxx_eh_host_reset(struct scsi_cmnd *cmd); 163afaf5a2dSDavid Somayajulu static int qla4xxx_slave_alloc(struct scsi_device *device); 1645e9bcec7SVikas Chaudhary static umode_t qla4_attr_is_visible(int param_type, int param); 16595d31262SVikas Chaudhary static int qla4xxx_host_reset(struct Scsi_Host *shost, int reset_type); 166afaf5a2dSDavid Somayajulu 1671e9e2be3SAdheer Chandravanshi /* 1681e9e2be3SAdheer Chandravanshi * iSCSI Flash DDB sysfs entry points 1691e9e2be3SAdheer Chandravanshi */ 1701e9e2be3SAdheer Chandravanshi static int 1711e9e2be3SAdheer Chandravanshi qla4xxx_sysfs_ddb_set_param(struct iscsi_bus_flash_session *fnode_sess, 1721e9e2be3SAdheer Chandravanshi struct iscsi_bus_flash_conn *fnode_conn, 1731e9e2be3SAdheer Chandravanshi void *data, int len); 1741e9e2be3SAdheer Chandravanshi static int 1751e9e2be3SAdheer Chandravanshi qla4xxx_sysfs_ddb_get_param(struct iscsi_bus_flash_session *fnode_sess, 1761e9e2be3SAdheer Chandravanshi int param, char *buf); 1771e9e2be3SAdheer Chandravanshi static int qla4xxx_sysfs_ddb_add(struct Scsi_Host *shost, const char *buf, 1781e9e2be3SAdheer Chandravanshi int len); 1791e9e2be3SAdheer Chandravanshi static int 1801e9e2be3SAdheer Chandravanshi qla4xxx_sysfs_ddb_delete(struct iscsi_bus_flash_session *fnode_sess); 1811e9e2be3SAdheer Chandravanshi static int qla4xxx_sysfs_ddb_login(struct iscsi_bus_flash_session *fnode_sess, 1821e9e2be3SAdheer Chandravanshi struct iscsi_bus_flash_conn *fnode_conn); 1831e9e2be3SAdheer Chandravanshi static int qla4xxx_sysfs_ddb_logout(struct iscsi_bus_flash_session *fnode_sess, 1841e9e2be3SAdheer Chandravanshi struct iscsi_bus_flash_conn *fnode_conn); 1851e9e2be3SAdheer Chandravanshi static int qla4xxx_sysfs_ddb_logout_sid(struct iscsi_cls_session *cls_sess); 1861e9e2be3SAdheer Chandravanshi 187f4f5df23SVikas Chaudhary static struct qla4_8xxx_legacy_intr_set legacy_intr[] = 188f4f5df23SVikas Chaudhary QLA82XX_LEGACY_INTR_CONFIG; 189f4f5df23SVikas Chaudhary 190f30554c2SLee Jones static const uint32_t qla4_82xx_reg_tbl[] = { 191f30554c2SLee Jones QLA82XX_PEG_HALT_STATUS1, 192f30554c2SLee Jones QLA82XX_PEG_HALT_STATUS2, 193f30554c2SLee Jones QLA82XX_PEG_ALIVE_COUNTER, 194f30554c2SLee Jones QLA82XX_CRB_DRV_ACTIVE, 195f30554c2SLee Jones QLA82XX_CRB_DEV_STATE, 196f30554c2SLee Jones QLA82XX_CRB_DRV_STATE, 197f30554c2SLee Jones QLA82XX_CRB_DRV_SCRATCH, 198f30554c2SLee Jones QLA82XX_CRB_DEV_PART_INFO, 199f30554c2SLee Jones QLA82XX_CRB_DRV_IDC_VERSION, 200f30554c2SLee Jones QLA82XX_FW_VERSION_MAJOR, 201f30554c2SLee Jones QLA82XX_FW_VERSION_MINOR, 202f30554c2SLee Jones QLA82XX_FW_VERSION_SUB, 203f30554c2SLee Jones CRB_CMDPEG_STATE, 204f30554c2SLee Jones CRB_TEMP_STATE, 205f30554c2SLee Jones }; 206f30554c2SLee Jones 2073ca2c203SLee Jones static const uint32_t qla4_83xx_reg_tbl[] = { 2083ca2c203SLee Jones QLA83XX_PEG_HALT_STATUS1, 2093ca2c203SLee Jones QLA83XX_PEG_HALT_STATUS2, 2103ca2c203SLee Jones QLA83XX_PEG_ALIVE_COUNTER, 2113ca2c203SLee Jones QLA83XX_CRB_DRV_ACTIVE, 2123ca2c203SLee Jones QLA83XX_CRB_DEV_STATE, 2133ca2c203SLee Jones QLA83XX_CRB_DRV_STATE, 2143ca2c203SLee Jones QLA83XX_CRB_DRV_SCRATCH, 2153ca2c203SLee Jones QLA83XX_CRB_DEV_PART_INFO1, 2163ca2c203SLee Jones QLA83XX_CRB_IDC_VER_MAJOR, 2173ca2c203SLee Jones QLA83XX_FW_VER_MAJOR, 2183ca2c203SLee Jones QLA83XX_FW_VER_MINOR, 2193ca2c203SLee Jones QLA83XX_FW_VER_SUB, 2203ca2c203SLee Jones QLA83XX_CMDPEG_STATE, 2213ca2c203SLee Jones QLA83XX_ASIC_TEMP, 2223ca2c203SLee Jones }; 2233ca2c203SLee Jones 224afaf5a2dSDavid Somayajulu static struct scsi_host_template qla4xxx_driver_template = { 225afaf5a2dSDavid Somayajulu .module = THIS_MODULE, 226afaf5a2dSDavid Somayajulu .name = DRIVER_NAME, 227afaf5a2dSDavid Somayajulu .proc_name = DRIVER_NAME, 228afaf5a2dSDavid Somayajulu .queuecommand = qla4xxx_queuecommand, 229afaf5a2dSDavid Somayajulu 23009a0f719SVikas Chaudhary .eh_abort_handler = qla4xxx_eh_abort, 231afaf5a2dSDavid Somayajulu .eh_device_reset_handler = qla4xxx_eh_device_reset, 232ce545039SMike Christie .eh_target_reset_handler = qla4xxx_eh_target_reset, 233afaf5a2dSDavid Somayajulu .eh_host_reset_handler = qla4xxx_eh_host_reset, 2345c656af7SMike Christie .eh_timed_out = qla4xxx_eh_cmd_timed_out, 235afaf5a2dSDavid Somayajulu 236afaf5a2dSDavid Somayajulu .slave_alloc = qla4xxx_slave_alloc, 237db5ed4dfSChristoph Hellwig .change_queue_depth = scsi_change_queue_depth, 238afaf5a2dSDavid Somayajulu 239afaf5a2dSDavid Somayajulu .this_id = -1, 240afaf5a2dSDavid Somayajulu .cmd_per_lun = 3, 241afaf5a2dSDavid Somayajulu .sg_tablesize = SG_ALL, 242afaf5a2dSDavid Somayajulu 243afaf5a2dSDavid Somayajulu .max_sectors = 0xFFFF, 2447ad633c0SHarish Zunjarrao .shost_attrs = qla4xxx_host_attrs, 24595d31262SVikas Chaudhary .host_reset = qla4xxx_host_reset, 246a355943cSVikas Chaudhary .vendor_id = SCSI_NL_VID_TYPE_PCI | PCI_VENDOR_ID_QLOGIC, 247afaf5a2dSDavid Somayajulu }; 248afaf5a2dSDavid Somayajulu 249afaf5a2dSDavid Somayajulu static struct iscsi_transport qla4xxx_iscsi_transport = { 250afaf5a2dSDavid Somayajulu .owner = THIS_MODULE, 251afaf5a2dSDavid Somayajulu .name = DRIVER_NAME, 252b3a271a9SManish Rangankar .caps = CAP_TEXT_NEGO | 253b3a271a9SManish Rangankar CAP_DATA_PATH_OFFLOAD | CAP_HDRDGST | 254b3a271a9SManish Rangankar CAP_DATADGST | CAP_LOGIN_OFFLOAD | 255b3a271a9SManish Rangankar CAP_MULTI_R2T, 2565e9bcec7SVikas Chaudhary .attr_is_visible = qla4_attr_is_visible, 257b3a271a9SManish Rangankar .create_session = qla4xxx_session_create, 258b3a271a9SManish Rangankar .destroy_session = qla4xxx_session_destroy, 259b3a271a9SManish Rangankar .start_conn = qla4xxx_conn_start, 260b3a271a9SManish Rangankar .create_conn = qla4xxx_conn_create, 261b3a271a9SManish Rangankar .bind_conn = qla4xxx_conn_bind, 262891e2639SMike Christie .unbind_conn = iscsi_conn_unbind, 263b3a271a9SManish Rangankar .stop_conn = iscsi_conn_stop, 264b3a271a9SManish Rangankar .destroy_conn = qla4xxx_conn_destroy, 265b3a271a9SManish Rangankar .set_param = iscsi_set_param, 266afaf5a2dSDavid Somayajulu .get_conn_param = qla4xxx_conn_get_param, 267fca9f04dSMike Christie .get_session_param = qla4xxx_session_get_param, 268b3a271a9SManish Rangankar .get_ep_param = qla4xxx_get_ep_param, 269b3a271a9SManish Rangankar .ep_connect = qla4xxx_ep_connect, 270b3a271a9SManish Rangankar .ep_poll = qla4xxx_ep_poll, 271b3a271a9SManish Rangankar .ep_disconnect = qla4xxx_ep_disconnect, 272b3a271a9SManish Rangankar .get_stats = qla4xxx_conn_get_stats, 273b3a271a9SManish Rangankar .send_pdu = iscsi_conn_send_pdu, 274b3a271a9SManish Rangankar .xmit_task = qla4xxx_task_xmit, 275b3a271a9SManish Rangankar .cleanup_task = qla4xxx_task_cleanup, 276b3a271a9SManish Rangankar .alloc_pdu = qla4xxx_alloc_pdu, 277b3a271a9SManish Rangankar 278aa1e93a2SMike Christie .get_host_param = qla4xxx_host_get_param, 279d00efe3fSMike Christie .set_iface_param = qla4xxx_iface_set_param, 280ed1086e0SVikas Chaudhary .get_iface_param = qla4xxx_get_iface_param, 281a355943cSVikas Chaudhary .bsg_request = qla4xxx_bsg_request, 282c0b9d3f7SVikas Chaudhary .send_ping = qla4xxx_send_ping, 283376738afSNilesh Javali .get_chap = qla4xxx_get_chap_list, 284376738afSNilesh Javali .delete_chap = qla4xxx_delete_chap, 28526ffd7b4SAdheer Chandravanshi .set_chap = qla4xxx_set_chap_entry, 2861e9e2be3SAdheer Chandravanshi .get_flashnode_param = qla4xxx_sysfs_ddb_get_param, 2871e9e2be3SAdheer Chandravanshi .set_flashnode_param = qla4xxx_sysfs_ddb_set_param, 2881e9e2be3SAdheer Chandravanshi .new_flashnode = qla4xxx_sysfs_ddb_add, 2891e9e2be3SAdheer Chandravanshi .del_flashnode = qla4xxx_sysfs_ddb_delete, 2901e9e2be3SAdheer Chandravanshi .login_flashnode = qla4xxx_sysfs_ddb_login, 2911e9e2be3SAdheer Chandravanshi .logout_flashnode = qla4xxx_sysfs_ddb_logout, 2921e9e2be3SAdheer Chandravanshi .logout_flashnode_sid = qla4xxx_sysfs_ddb_logout_sid, 2934161cee5SLalit Chandivade .get_host_stats = qla4xxx_get_host_stats, 294afaf5a2dSDavid Somayajulu }; 295afaf5a2dSDavid Somayajulu 296afaf5a2dSDavid Somayajulu static struct scsi_transport_template *qla4xxx_scsi_transport; 297afaf5a2dSDavid Somayajulu 2981bc5ad3aSManish Rangankar static int qla4xxx_isp_check_reg(struct scsi_qla_host *ha) 2991bc5ad3aSManish Rangankar { 3001bc5ad3aSManish Rangankar u32 reg_val = 0; 3011bc5ad3aSManish Rangankar int rval = QLA_SUCCESS; 3021bc5ad3aSManish Rangankar 3031bc5ad3aSManish Rangankar if (is_qla8022(ha)) 3041bc5ad3aSManish Rangankar reg_val = readl(&ha->qla4_82xx_reg->host_status); 3051bc5ad3aSManish Rangankar else if (is_qla8032(ha) || is_qla8042(ha)) 3061bc5ad3aSManish Rangankar reg_val = qla4_8xxx_rd_direct(ha, QLA8XXX_PEG_ALIVE_COUNTER); 3071bc5ad3aSManish Rangankar else 3081bc5ad3aSManish Rangankar reg_val = readw(&ha->reg->ctrl_status); 3091bc5ad3aSManish Rangankar 3101bc5ad3aSManish Rangankar if (reg_val == QL4_ISP_REG_DISCONNECT) 3111bc5ad3aSManish Rangankar rval = QLA_ERROR; 3121bc5ad3aSManish Rangankar 3131bc5ad3aSManish Rangankar return rval; 3141bc5ad3aSManish Rangankar } 3151bc5ad3aSManish Rangankar 316c0b9d3f7SVikas Chaudhary static int qla4xxx_send_ping(struct Scsi_Host *shost, uint32_t iface_num, 317c0b9d3f7SVikas Chaudhary uint32_t iface_type, uint32_t payload_size, 318c0b9d3f7SVikas Chaudhary uint32_t pid, struct sockaddr *dst_addr) 319c0b9d3f7SVikas Chaudhary { 320c0b9d3f7SVikas Chaudhary struct scsi_qla_host *ha = to_qla_host(shost); 321c0b9d3f7SVikas Chaudhary struct sockaddr_in *addr; 322c0b9d3f7SVikas Chaudhary struct sockaddr_in6 *addr6; 323c0b9d3f7SVikas Chaudhary uint32_t options = 0; 324c0b9d3f7SVikas Chaudhary uint8_t ipaddr[IPv6_ADDR_LEN]; 325c0b9d3f7SVikas Chaudhary int rval; 326c0b9d3f7SVikas Chaudhary 327c0b9d3f7SVikas Chaudhary memset(ipaddr, 0, IPv6_ADDR_LEN); 328c0b9d3f7SVikas Chaudhary /* IPv4 to IPv4 */ 329c0b9d3f7SVikas Chaudhary if ((iface_type == ISCSI_IFACE_TYPE_IPV4) && 330c0b9d3f7SVikas Chaudhary (dst_addr->sa_family == AF_INET)) { 331c0b9d3f7SVikas Chaudhary addr = (struct sockaddr_in *)dst_addr; 332c0b9d3f7SVikas Chaudhary memcpy(ipaddr, &addr->sin_addr.s_addr, IP_ADDR_LEN); 333c0b9d3f7SVikas Chaudhary DEBUG2(ql4_printk(KERN_INFO, ha, "%s: IPv4 Ping src: %pI4 " 334c0b9d3f7SVikas Chaudhary "dest: %pI4\n", __func__, 335c0b9d3f7SVikas Chaudhary &ha->ip_config.ip_address, ipaddr)); 336c0b9d3f7SVikas Chaudhary rval = qla4xxx_ping_iocb(ha, options, payload_size, pid, 337c0b9d3f7SVikas Chaudhary ipaddr); 338c0b9d3f7SVikas Chaudhary if (rval) 339c0b9d3f7SVikas Chaudhary rval = -EINVAL; 340c0b9d3f7SVikas Chaudhary } else if ((iface_type == ISCSI_IFACE_TYPE_IPV6) && 341c0b9d3f7SVikas Chaudhary (dst_addr->sa_family == AF_INET6)) { 342c0b9d3f7SVikas Chaudhary /* IPv6 to IPv6 */ 343c0b9d3f7SVikas Chaudhary addr6 = (struct sockaddr_in6 *)dst_addr; 344c0b9d3f7SVikas Chaudhary memcpy(ipaddr, &addr6->sin6_addr.in6_u.u6_addr8, IPv6_ADDR_LEN); 345c0b9d3f7SVikas Chaudhary 346c0b9d3f7SVikas Chaudhary options |= PING_IPV6_PROTOCOL_ENABLE; 347c0b9d3f7SVikas Chaudhary 348c0b9d3f7SVikas Chaudhary /* Ping using LinkLocal address */ 349c0b9d3f7SVikas Chaudhary if ((iface_num == 0) || (iface_num == 1)) { 350c0b9d3f7SVikas Chaudhary DEBUG2(ql4_printk(KERN_INFO, ha, "%s: LinkLocal Ping " 351c0b9d3f7SVikas Chaudhary "src: %pI6 dest: %pI6\n", __func__, 352c0b9d3f7SVikas Chaudhary &ha->ip_config.ipv6_link_local_addr, 353c0b9d3f7SVikas Chaudhary ipaddr)); 354c0b9d3f7SVikas Chaudhary options |= PING_IPV6_LINKLOCAL_ADDR; 355c0b9d3f7SVikas Chaudhary rval = qla4xxx_ping_iocb(ha, options, payload_size, 356c0b9d3f7SVikas Chaudhary pid, ipaddr); 357c0b9d3f7SVikas Chaudhary } else { 358c0b9d3f7SVikas Chaudhary ql4_printk(KERN_WARNING, ha, "%s: iface num = %d " 359c0b9d3f7SVikas Chaudhary "not supported\n", __func__, iface_num); 360c0b9d3f7SVikas Chaudhary rval = -ENOSYS; 361c0b9d3f7SVikas Chaudhary goto exit_send_ping; 362c0b9d3f7SVikas Chaudhary } 363c0b9d3f7SVikas Chaudhary 364c0b9d3f7SVikas Chaudhary /* 365c0b9d3f7SVikas Chaudhary * If ping using LinkLocal address fails, try ping using 366c0b9d3f7SVikas Chaudhary * IPv6 address 367c0b9d3f7SVikas Chaudhary */ 368c0b9d3f7SVikas Chaudhary if (rval != QLA_SUCCESS) { 369c0b9d3f7SVikas Chaudhary options &= ~PING_IPV6_LINKLOCAL_ADDR; 370c0b9d3f7SVikas Chaudhary if (iface_num == 0) { 371c0b9d3f7SVikas Chaudhary options |= PING_IPV6_ADDR0; 372c0b9d3f7SVikas Chaudhary DEBUG2(ql4_printk(KERN_INFO, ha, "%s: IPv6 " 373c0b9d3f7SVikas Chaudhary "Ping src: %pI6 " 374c0b9d3f7SVikas Chaudhary "dest: %pI6\n", __func__, 375c0b9d3f7SVikas Chaudhary &ha->ip_config.ipv6_addr0, 376c0b9d3f7SVikas Chaudhary ipaddr)); 377c0b9d3f7SVikas Chaudhary } else if (iface_num == 1) { 378c0b9d3f7SVikas Chaudhary options |= PING_IPV6_ADDR1; 379c0b9d3f7SVikas Chaudhary DEBUG2(ql4_printk(KERN_INFO, ha, "%s: IPv6 " 380c0b9d3f7SVikas Chaudhary "Ping src: %pI6 " 381c0b9d3f7SVikas Chaudhary "dest: %pI6\n", __func__, 382c0b9d3f7SVikas Chaudhary &ha->ip_config.ipv6_addr1, 383c0b9d3f7SVikas Chaudhary ipaddr)); 384c0b9d3f7SVikas Chaudhary } 385c0b9d3f7SVikas Chaudhary rval = qla4xxx_ping_iocb(ha, options, payload_size, 386c0b9d3f7SVikas Chaudhary pid, ipaddr); 387c0b9d3f7SVikas Chaudhary if (rval) 388c0b9d3f7SVikas Chaudhary rval = -EINVAL; 389c0b9d3f7SVikas Chaudhary } 390c0b9d3f7SVikas Chaudhary } else 391c0b9d3f7SVikas Chaudhary rval = -ENOSYS; 392c0b9d3f7SVikas Chaudhary exit_send_ping: 393c0b9d3f7SVikas Chaudhary return rval; 394c0b9d3f7SVikas Chaudhary } 395c0b9d3f7SVikas Chaudhary 3965e9bcec7SVikas Chaudhary static umode_t qla4_attr_is_visible(int param_type, int param) 3973128c6c7SMike Christie { 3983128c6c7SMike Christie switch (param_type) { 399f27fb2efSMike Christie case ISCSI_HOST_PARAM: 400f27fb2efSMike Christie switch (param) { 401f27fb2efSMike Christie case ISCSI_HOST_PARAM_HWADDRESS: 402f27fb2efSMike Christie case ISCSI_HOST_PARAM_IPADDRESS: 403f27fb2efSMike Christie case ISCSI_HOST_PARAM_INITIATOR_NAME: 4043254dbe9SVikas Chaudhary case ISCSI_HOST_PARAM_PORT_STATE: 4053254dbe9SVikas Chaudhary case ISCSI_HOST_PARAM_PORT_SPEED: 406f27fb2efSMike Christie return S_IRUGO; 407f27fb2efSMike Christie default: 408f27fb2efSMike Christie return 0; 409f27fb2efSMike Christie } 4103128c6c7SMike Christie case ISCSI_PARAM: 4113128c6c7SMike Christie switch (param) { 412590134faSMike Christie case ISCSI_PARAM_PERSISTENT_ADDRESS: 413590134faSMike Christie case ISCSI_PARAM_PERSISTENT_PORT: 4143128c6c7SMike Christie case ISCSI_PARAM_CONN_ADDRESS: 4153128c6c7SMike Christie case ISCSI_PARAM_CONN_PORT: 4161d063c17SMike Christie case ISCSI_PARAM_TARGET_NAME: 4171d063c17SMike Christie case ISCSI_PARAM_TPGT: 4181d063c17SMike Christie case ISCSI_PARAM_TARGET_ALIAS: 419b3a271a9SManish Rangankar case ISCSI_PARAM_MAX_BURST: 420b3a271a9SManish Rangankar case ISCSI_PARAM_MAX_R2T: 421b3a271a9SManish Rangankar case ISCSI_PARAM_FIRST_BURST: 422b3a271a9SManish Rangankar case ISCSI_PARAM_MAX_RECV_DLENGTH: 423b3a271a9SManish Rangankar case ISCSI_PARAM_MAX_XMIT_DLENGTH: 424de37920bSMike Christie case ISCSI_PARAM_IFACE_NAME: 425fca9f04dSMike Christie case ISCSI_PARAM_CHAP_OUT_IDX: 426fca9f04dSMike Christie case ISCSI_PARAM_CHAP_IN_IDX: 427fca9f04dSMike Christie case ISCSI_PARAM_USERNAME: 428fca9f04dSMike Christie case ISCSI_PARAM_PASSWORD: 429fca9f04dSMike Christie case ISCSI_PARAM_USERNAME_IN: 430fca9f04dSMike Christie case ISCSI_PARAM_PASSWORD_IN: 4318cc91d42SAdheer Chandravanshi case ISCSI_PARAM_AUTO_SND_TGT_DISABLE: 4328cc91d42SAdheer Chandravanshi case ISCSI_PARAM_DISCOVERY_SESS: 4338cc91d42SAdheer Chandravanshi case ISCSI_PARAM_PORTAL_TYPE: 4348cc91d42SAdheer Chandravanshi case ISCSI_PARAM_CHAP_AUTH_EN: 4358cc91d42SAdheer Chandravanshi case ISCSI_PARAM_DISCOVERY_LOGOUT_EN: 4368cc91d42SAdheer Chandravanshi case ISCSI_PARAM_BIDI_CHAP_EN: 4378cc91d42SAdheer Chandravanshi case ISCSI_PARAM_DISCOVERY_AUTH_OPTIONAL: 4388cc91d42SAdheer Chandravanshi case ISCSI_PARAM_DEF_TIME2WAIT: 4398cc91d42SAdheer Chandravanshi case ISCSI_PARAM_DEF_TIME2RETAIN: 4408cc91d42SAdheer Chandravanshi case ISCSI_PARAM_HDRDGST_EN: 4418cc91d42SAdheer Chandravanshi case ISCSI_PARAM_DATADGST_EN: 4428cc91d42SAdheer Chandravanshi case ISCSI_PARAM_INITIAL_R2T_EN: 4438cc91d42SAdheer Chandravanshi case ISCSI_PARAM_IMM_DATA_EN: 4448cc91d42SAdheer Chandravanshi case ISCSI_PARAM_PDU_INORDER_EN: 4458cc91d42SAdheer Chandravanshi case ISCSI_PARAM_DATASEQ_INORDER_EN: 4468cc91d42SAdheer Chandravanshi case ISCSI_PARAM_MAX_SEGMENT_SIZE: 4478cc91d42SAdheer Chandravanshi case ISCSI_PARAM_TCP_TIMESTAMP_STAT: 4488cc91d42SAdheer Chandravanshi case ISCSI_PARAM_TCP_WSF_DISABLE: 4498cc91d42SAdheer Chandravanshi case ISCSI_PARAM_TCP_NAGLE_DISABLE: 4508cc91d42SAdheer Chandravanshi case ISCSI_PARAM_TCP_TIMER_SCALE: 4518cc91d42SAdheer Chandravanshi case ISCSI_PARAM_TCP_TIMESTAMP_EN: 4528cc91d42SAdheer Chandravanshi case ISCSI_PARAM_TCP_XMIT_WSF: 4538cc91d42SAdheer Chandravanshi case ISCSI_PARAM_TCP_RECV_WSF: 4548cc91d42SAdheer Chandravanshi case ISCSI_PARAM_IP_FRAGMENT_DISABLE: 4558cc91d42SAdheer Chandravanshi case ISCSI_PARAM_IPV4_TOS: 4568cc91d42SAdheer Chandravanshi case ISCSI_PARAM_IPV6_TC: 4578cc91d42SAdheer Chandravanshi case ISCSI_PARAM_IPV6_FLOW_LABEL: 4588cc91d42SAdheer Chandravanshi case ISCSI_PARAM_IS_FW_ASSIGNED_IPV6: 4598cc91d42SAdheer Chandravanshi case ISCSI_PARAM_KEEPALIVE_TMO: 4608cc91d42SAdheer Chandravanshi case ISCSI_PARAM_LOCAL_PORT: 4618cc91d42SAdheer Chandravanshi case ISCSI_PARAM_ISID: 4628cc91d42SAdheer Chandravanshi case ISCSI_PARAM_TSID: 4638cc91d42SAdheer Chandravanshi case ISCSI_PARAM_DEF_TASKMGMT_TMO: 4648cc91d42SAdheer Chandravanshi case ISCSI_PARAM_ERL: 4658cc91d42SAdheer Chandravanshi case ISCSI_PARAM_STATSN: 4668cc91d42SAdheer Chandravanshi case ISCSI_PARAM_EXP_STATSN: 4678cc91d42SAdheer Chandravanshi case ISCSI_PARAM_DISCOVERY_PARENT_IDX: 4688cc91d42SAdheer Chandravanshi case ISCSI_PARAM_DISCOVERY_PARENT_TYPE: 469fb734ee3SAdheer Chandravanshi case ISCSI_PARAM_LOCAL_IPADDR: 4703128c6c7SMike Christie return S_IRUGO; 4713128c6c7SMike Christie default: 4723128c6c7SMike Christie return 0; 4733128c6c7SMike Christie } 474b78dbba0SMike Christie case ISCSI_NET_PARAM: 475b78dbba0SMike Christie switch (param) { 476b78dbba0SMike Christie case ISCSI_NET_PARAM_IPV4_ADDR: 477b78dbba0SMike Christie case ISCSI_NET_PARAM_IPV4_SUBNET: 478b78dbba0SMike Christie case ISCSI_NET_PARAM_IPV4_GW: 479b78dbba0SMike Christie case ISCSI_NET_PARAM_IPV4_BOOTPROTO: 480b78dbba0SMike Christie case ISCSI_NET_PARAM_IFACE_ENABLE: 481b78dbba0SMike Christie case ISCSI_NET_PARAM_IPV6_LINKLOCAL: 482b78dbba0SMike Christie case ISCSI_NET_PARAM_IPV6_ADDR: 483b78dbba0SMike Christie case ISCSI_NET_PARAM_IPV6_ROUTER: 484b78dbba0SMike Christie case ISCSI_NET_PARAM_IPV6_ADDR_AUTOCFG: 485b78dbba0SMike Christie case ISCSI_NET_PARAM_IPV6_LINKLOCAL_AUTOCFG: 4866ac73e8cSVikas Chaudhary case ISCSI_NET_PARAM_VLAN_ID: 4876ac73e8cSVikas Chaudhary case ISCSI_NET_PARAM_VLAN_PRIORITY: 4886ac73e8cSVikas Chaudhary case ISCSI_NET_PARAM_VLAN_ENABLED: 489943c157bSVikas Chaudhary case ISCSI_NET_PARAM_MTU: 4902ada7fc5SVikas Chaudhary case ISCSI_NET_PARAM_PORT: 491f8e93412SHarish Zunjarrao case ISCSI_NET_PARAM_IPADDR_STATE: 492f8e93412SHarish Zunjarrao case ISCSI_NET_PARAM_IPV6_LINKLOCAL_STATE: 493f8e93412SHarish Zunjarrao case ISCSI_NET_PARAM_IPV6_ROUTER_STATE: 494f8e93412SHarish Zunjarrao case ISCSI_NET_PARAM_DELAYED_ACK_EN: 495f8e93412SHarish Zunjarrao case ISCSI_NET_PARAM_TCP_NAGLE_DISABLE: 496f8e93412SHarish Zunjarrao case ISCSI_NET_PARAM_TCP_WSF_DISABLE: 497f8e93412SHarish Zunjarrao case ISCSI_NET_PARAM_TCP_WSF: 498f8e93412SHarish Zunjarrao case ISCSI_NET_PARAM_TCP_TIMER_SCALE: 499f8e93412SHarish Zunjarrao case ISCSI_NET_PARAM_TCP_TIMESTAMP_EN: 500f8e93412SHarish Zunjarrao case ISCSI_NET_PARAM_CACHE_ID: 501f8e93412SHarish Zunjarrao case ISCSI_NET_PARAM_IPV4_DHCP_DNS_ADDR_EN: 502f8e93412SHarish Zunjarrao case ISCSI_NET_PARAM_IPV4_DHCP_SLP_DA_EN: 503f8e93412SHarish Zunjarrao case ISCSI_NET_PARAM_IPV4_TOS_EN: 504f8e93412SHarish Zunjarrao case ISCSI_NET_PARAM_IPV4_TOS: 505f8e93412SHarish Zunjarrao case ISCSI_NET_PARAM_IPV4_GRAT_ARP_EN: 506f8e93412SHarish Zunjarrao case ISCSI_NET_PARAM_IPV4_DHCP_ALT_CLIENT_ID_EN: 507f8e93412SHarish Zunjarrao case ISCSI_NET_PARAM_IPV4_DHCP_ALT_CLIENT_ID: 508f8e93412SHarish Zunjarrao case ISCSI_NET_PARAM_IPV4_DHCP_REQ_VENDOR_ID_EN: 509f8e93412SHarish Zunjarrao case ISCSI_NET_PARAM_IPV4_DHCP_USE_VENDOR_ID_EN: 510f8e93412SHarish Zunjarrao case ISCSI_NET_PARAM_IPV4_DHCP_VENDOR_ID: 511f8e93412SHarish Zunjarrao case ISCSI_NET_PARAM_IPV4_DHCP_LEARN_IQN_EN: 512f8e93412SHarish Zunjarrao case ISCSI_NET_PARAM_IPV4_FRAGMENT_DISABLE: 513f8e93412SHarish Zunjarrao case ISCSI_NET_PARAM_IPV4_IN_FORWARD_EN: 514f8e93412SHarish Zunjarrao case ISCSI_NET_PARAM_REDIRECT_EN: 515f8e93412SHarish Zunjarrao case ISCSI_NET_PARAM_IPV4_TTL: 516f8e93412SHarish Zunjarrao case ISCSI_NET_PARAM_IPV6_GRAT_NEIGHBOR_ADV_EN: 517f8e93412SHarish Zunjarrao case ISCSI_NET_PARAM_IPV6_MLD_EN: 518f8e93412SHarish Zunjarrao case ISCSI_NET_PARAM_IPV6_FLOW_LABEL: 519f8e93412SHarish Zunjarrao case ISCSI_NET_PARAM_IPV6_TRAFFIC_CLASS: 520f8e93412SHarish Zunjarrao case ISCSI_NET_PARAM_IPV6_HOP_LIMIT: 521f8e93412SHarish Zunjarrao case ISCSI_NET_PARAM_IPV6_ND_REACHABLE_TMO: 522f8e93412SHarish Zunjarrao case ISCSI_NET_PARAM_IPV6_ND_REXMIT_TIME: 523f8e93412SHarish Zunjarrao case ISCSI_NET_PARAM_IPV6_ND_STALE_TMO: 524f8e93412SHarish Zunjarrao case ISCSI_NET_PARAM_IPV6_DUP_ADDR_DETECT_CNT: 525f8e93412SHarish Zunjarrao case ISCSI_NET_PARAM_IPV6_RTR_ADV_LINK_MTU: 526f8e93412SHarish Zunjarrao return S_IRUGO; 527f8e93412SHarish Zunjarrao default: 528f8e93412SHarish Zunjarrao return 0; 529f8e93412SHarish Zunjarrao } 530f8e93412SHarish Zunjarrao case ISCSI_IFACE_PARAM: 531f8e93412SHarish Zunjarrao switch (param) { 532f8e93412SHarish Zunjarrao case ISCSI_IFACE_PARAM_DEF_TASKMGMT_TMO: 533f8e93412SHarish Zunjarrao case ISCSI_IFACE_PARAM_HDRDGST_EN: 534f8e93412SHarish Zunjarrao case ISCSI_IFACE_PARAM_DATADGST_EN: 535f8e93412SHarish Zunjarrao case ISCSI_IFACE_PARAM_IMM_DATA_EN: 536f8e93412SHarish Zunjarrao case ISCSI_IFACE_PARAM_INITIAL_R2T_EN: 537f8e93412SHarish Zunjarrao case ISCSI_IFACE_PARAM_DATASEQ_INORDER_EN: 538f8e93412SHarish Zunjarrao case ISCSI_IFACE_PARAM_PDU_INORDER_EN: 539f8e93412SHarish Zunjarrao case ISCSI_IFACE_PARAM_ERL: 540f8e93412SHarish Zunjarrao case ISCSI_IFACE_PARAM_MAX_RECV_DLENGTH: 541f8e93412SHarish Zunjarrao case ISCSI_IFACE_PARAM_FIRST_BURST: 542f8e93412SHarish Zunjarrao case ISCSI_IFACE_PARAM_MAX_R2T: 543f8e93412SHarish Zunjarrao case ISCSI_IFACE_PARAM_MAX_BURST: 544f8e93412SHarish Zunjarrao case ISCSI_IFACE_PARAM_CHAP_AUTH_EN: 545f8e93412SHarish Zunjarrao case ISCSI_IFACE_PARAM_BIDI_CHAP_EN: 546f8e93412SHarish Zunjarrao case ISCSI_IFACE_PARAM_DISCOVERY_AUTH_OPTIONAL: 547f8e93412SHarish Zunjarrao case ISCSI_IFACE_PARAM_DISCOVERY_LOGOUT_EN: 548f8e93412SHarish Zunjarrao case ISCSI_IFACE_PARAM_STRICT_LOGIN_COMP_EN: 549f8e93412SHarish Zunjarrao case ISCSI_IFACE_PARAM_INITIATOR_NAME: 550b78dbba0SMike Christie return S_IRUGO; 551b78dbba0SMike Christie default: 552b78dbba0SMike Christie return 0; 553b78dbba0SMike Christie } 5541e9e2be3SAdheer Chandravanshi case ISCSI_FLASHNODE_PARAM: 5551e9e2be3SAdheer Chandravanshi switch (param) { 5561e9e2be3SAdheer Chandravanshi case ISCSI_FLASHNODE_IS_FW_ASSIGNED_IPV6: 5571e9e2be3SAdheer Chandravanshi case ISCSI_FLASHNODE_PORTAL_TYPE: 5581e9e2be3SAdheer Chandravanshi case ISCSI_FLASHNODE_AUTO_SND_TGT_DISABLE: 5591e9e2be3SAdheer Chandravanshi case ISCSI_FLASHNODE_DISCOVERY_SESS: 5601e9e2be3SAdheer Chandravanshi case ISCSI_FLASHNODE_ENTRY_EN: 5611e9e2be3SAdheer Chandravanshi case ISCSI_FLASHNODE_HDR_DGST_EN: 5621e9e2be3SAdheer Chandravanshi case ISCSI_FLASHNODE_DATA_DGST_EN: 5631e9e2be3SAdheer Chandravanshi case ISCSI_FLASHNODE_IMM_DATA_EN: 5641e9e2be3SAdheer Chandravanshi case ISCSI_FLASHNODE_INITIAL_R2T_EN: 5651e9e2be3SAdheer Chandravanshi case ISCSI_FLASHNODE_DATASEQ_INORDER: 5661e9e2be3SAdheer Chandravanshi case ISCSI_FLASHNODE_PDU_INORDER: 5671e9e2be3SAdheer Chandravanshi case ISCSI_FLASHNODE_CHAP_AUTH_EN: 5681e9e2be3SAdheer Chandravanshi case ISCSI_FLASHNODE_SNACK_REQ_EN: 5691e9e2be3SAdheer Chandravanshi case ISCSI_FLASHNODE_DISCOVERY_LOGOUT_EN: 5701e9e2be3SAdheer Chandravanshi case ISCSI_FLASHNODE_BIDI_CHAP_EN: 5711e9e2be3SAdheer Chandravanshi case ISCSI_FLASHNODE_DISCOVERY_AUTH_OPTIONAL: 5721e9e2be3SAdheer Chandravanshi case ISCSI_FLASHNODE_ERL: 5731e9e2be3SAdheer Chandravanshi case ISCSI_FLASHNODE_TCP_TIMESTAMP_STAT: 5741e9e2be3SAdheer Chandravanshi case ISCSI_FLASHNODE_TCP_NAGLE_DISABLE: 5751e9e2be3SAdheer Chandravanshi case ISCSI_FLASHNODE_TCP_WSF_DISABLE: 5761e9e2be3SAdheer Chandravanshi case ISCSI_FLASHNODE_TCP_TIMER_SCALE: 5771e9e2be3SAdheer Chandravanshi case ISCSI_FLASHNODE_TCP_TIMESTAMP_EN: 5781e9e2be3SAdheer Chandravanshi case ISCSI_FLASHNODE_IP_FRAG_DISABLE: 5791e9e2be3SAdheer Chandravanshi case ISCSI_FLASHNODE_MAX_RECV_DLENGTH: 5801e9e2be3SAdheer Chandravanshi case ISCSI_FLASHNODE_MAX_XMIT_DLENGTH: 5811e9e2be3SAdheer Chandravanshi case ISCSI_FLASHNODE_FIRST_BURST: 5821e9e2be3SAdheer Chandravanshi case ISCSI_FLASHNODE_DEF_TIME2WAIT: 5831e9e2be3SAdheer Chandravanshi case ISCSI_FLASHNODE_DEF_TIME2RETAIN: 5841e9e2be3SAdheer Chandravanshi case ISCSI_FLASHNODE_MAX_R2T: 5851e9e2be3SAdheer Chandravanshi case ISCSI_FLASHNODE_KEEPALIVE_TMO: 5861e9e2be3SAdheer Chandravanshi case ISCSI_FLASHNODE_ISID: 5871e9e2be3SAdheer Chandravanshi case ISCSI_FLASHNODE_TSID: 5881e9e2be3SAdheer Chandravanshi case ISCSI_FLASHNODE_PORT: 5891e9e2be3SAdheer Chandravanshi case ISCSI_FLASHNODE_MAX_BURST: 5901e9e2be3SAdheer Chandravanshi case ISCSI_FLASHNODE_DEF_TASKMGMT_TMO: 5911e9e2be3SAdheer Chandravanshi case ISCSI_FLASHNODE_IPADDR: 5921e9e2be3SAdheer Chandravanshi case ISCSI_FLASHNODE_ALIAS: 5931e9e2be3SAdheer Chandravanshi case ISCSI_FLASHNODE_REDIRECT_IPADDR: 5941e9e2be3SAdheer Chandravanshi case ISCSI_FLASHNODE_MAX_SEGMENT_SIZE: 5951e9e2be3SAdheer Chandravanshi case ISCSI_FLASHNODE_LOCAL_PORT: 5961e9e2be3SAdheer Chandravanshi case ISCSI_FLASHNODE_IPV4_TOS: 5971e9e2be3SAdheer Chandravanshi case ISCSI_FLASHNODE_IPV6_TC: 5981e9e2be3SAdheer Chandravanshi case ISCSI_FLASHNODE_IPV6_FLOW_LABEL: 5991e9e2be3SAdheer Chandravanshi case ISCSI_FLASHNODE_NAME: 6001e9e2be3SAdheer Chandravanshi case ISCSI_FLASHNODE_TPGT: 6011e9e2be3SAdheer Chandravanshi case ISCSI_FLASHNODE_LINK_LOCAL_IPV6: 6021e9e2be3SAdheer Chandravanshi case ISCSI_FLASHNODE_DISCOVERY_PARENT_IDX: 6031e9e2be3SAdheer Chandravanshi case ISCSI_FLASHNODE_DISCOVERY_PARENT_TYPE: 6041e9e2be3SAdheer Chandravanshi case ISCSI_FLASHNODE_TCP_XMIT_WSF: 6051e9e2be3SAdheer Chandravanshi case ISCSI_FLASHNODE_TCP_RECV_WSF: 6061e9e2be3SAdheer Chandravanshi case ISCSI_FLASHNODE_CHAP_OUT_IDX: 6071e9e2be3SAdheer Chandravanshi case ISCSI_FLASHNODE_USERNAME: 6081e9e2be3SAdheer Chandravanshi case ISCSI_FLASHNODE_PASSWORD: 6091e9e2be3SAdheer Chandravanshi case ISCSI_FLASHNODE_STATSN: 6101e9e2be3SAdheer Chandravanshi case ISCSI_FLASHNODE_EXP_STATSN: 6111e9e2be3SAdheer Chandravanshi case ISCSI_FLASHNODE_IS_BOOT_TGT: 6121e9e2be3SAdheer Chandravanshi return S_IRUGO; 6131e9e2be3SAdheer Chandravanshi default: 6141e9e2be3SAdheer Chandravanshi return 0; 6151e9e2be3SAdheer Chandravanshi } 6163128c6c7SMike Christie } 6173128c6c7SMike Christie 6183128c6c7SMike Christie return 0; 6193128c6c7SMike Christie } 6203128c6c7SMike Christie 621ea507a25SAdheer Chandravanshi /** 622ecef0c9eSLee Jones * qla4xxx_create_chap_list - Create CHAP list from FLASH 623ea507a25SAdheer Chandravanshi * @ha: pointer to adapter structure 624ea507a25SAdheer Chandravanshi * 625ea507a25SAdheer Chandravanshi * Read flash and make a list of CHAP entries, during login when a CHAP entry 626ea507a25SAdheer Chandravanshi * is received, it will be checked in this list. If entry exist then the CHAP 627ea507a25SAdheer Chandravanshi * entry index is set in the DDB. If CHAP entry does not exist in this list 628ea507a25SAdheer Chandravanshi * then a new entry is added in FLASH in CHAP table and the index obtained is 629ea507a25SAdheer Chandravanshi * used in the DDB. 630ea507a25SAdheer Chandravanshi **/ 631ea507a25SAdheer Chandravanshi static void qla4xxx_create_chap_list(struct scsi_qla_host *ha) 632ea507a25SAdheer Chandravanshi { 633ea507a25SAdheer Chandravanshi int rval = 0; 634ea507a25SAdheer Chandravanshi uint8_t *chap_flash_data = NULL; 635ea507a25SAdheer Chandravanshi uint32_t offset; 636ea507a25SAdheer Chandravanshi dma_addr_t chap_dma; 637ea507a25SAdheer Chandravanshi uint32_t chap_size = 0; 638ea507a25SAdheer Chandravanshi 639ea507a25SAdheer Chandravanshi if (is_qla40XX(ha)) 640ea507a25SAdheer Chandravanshi chap_size = MAX_CHAP_ENTRIES_40XX * 641ea507a25SAdheer Chandravanshi sizeof(struct ql4_chap_table); 642ea507a25SAdheer Chandravanshi else /* Single region contains CHAP info for both 643ea507a25SAdheer Chandravanshi * ports which is divided into half for each port. 644ea507a25SAdheer Chandravanshi */ 645ea507a25SAdheer Chandravanshi chap_size = ha->hw.flt_chap_size / 2; 646ea507a25SAdheer Chandravanshi 647ea507a25SAdheer Chandravanshi chap_flash_data = dma_alloc_coherent(&ha->pdev->dev, chap_size, 648ea507a25SAdheer Chandravanshi &chap_dma, GFP_KERNEL); 649ea507a25SAdheer Chandravanshi if (!chap_flash_data) { 650ea507a25SAdheer Chandravanshi ql4_printk(KERN_ERR, ha, "No memory for chap_flash_data\n"); 651ea507a25SAdheer Chandravanshi return; 652ea507a25SAdheer Chandravanshi } 653ea507a25SAdheer Chandravanshi 654ea507a25SAdheer Chandravanshi if (is_qla40XX(ha)) { 655ea507a25SAdheer Chandravanshi offset = FLASH_CHAP_OFFSET; 656ea507a25SAdheer Chandravanshi } else { 657ea507a25SAdheer Chandravanshi offset = FLASH_RAW_ACCESS_ADDR + (ha->hw.flt_region_chap << 2); 658ea507a25SAdheer Chandravanshi if (ha->port_num == 1) 659ea507a25SAdheer Chandravanshi offset += chap_size; 660ea507a25SAdheer Chandravanshi } 661ea507a25SAdheer Chandravanshi 662ea507a25SAdheer Chandravanshi rval = qla4xxx_get_flash(ha, chap_dma, offset, chap_size); 663ea507a25SAdheer Chandravanshi if (rval != QLA_SUCCESS) 664ea507a25SAdheer Chandravanshi goto exit_chap_list; 665ea507a25SAdheer Chandravanshi 666ea507a25SAdheer Chandravanshi if (ha->chap_list == NULL) 667ea507a25SAdheer Chandravanshi ha->chap_list = vmalloc(chap_size); 668ea507a25SAdheer Chandravanshi if (ha->chap_list == NULL) { 669ea507a25SAdheer Chandravanshi ql4_printk(KERN_ERR, ha, "No memory for ha->chap_list\n"); 670ea507a25SAdheer Chandravanshi goto exit_chap_list; 671ea507a25SAdheer Chandravanshi } 672ea507a25SAdheer Chandravanshi 673ea507a25SAdheer Chandravanshi memset(ha->chap_list, 0, chap_size); 674ea507a25SAdheer Chandravanshi memcpy(ha->chap_list, chap_flash_data, chap_size); 675ea507a25SAdheer Chandravanshi 676ea507a25SAdheer Chandravanshi exit_chap_list: 677ea507a25SAdheer Chandravanshi dma_free_coherent(&ha->pdev->dev, chap_size, chap_flash_data, chap_dma); 678ea507a25SAdheer Chandravanshi } 679ea507a25SAdheer Chandravanshi 68026ffd7b4SAdheer Chandravanshi static int qla4xxx_get_chap_by_index(struct scsi_qla_host *ha, 68126ffd7b4SAdheer Chandravanshi int16_t chap_index, 68226ffd7b4SAdheer Chandravanshi struct ql4_chap_table **chap_entry) 68326ffd7b4SAdheer Chandravanshi { 68426ffd7b4SAdheer Chandravanshi int rval = QLA_ERROR; 68526ffd7b4SAdheer Chandravanshi int max_chap_entries; 68626ffd7b4SAdheer Chandravanshi 68726ffd7b4SAdheer Chandravanshi if (!ha->chap_list) { 68826ffd7b4SAdheer Chandravanshi ql4_printk(KERN_ERR, ha, "CHAP table cache is empty!\n"); 68926ffd7b4SAdheer Chandravanshi goto exit_get_chap; 69026ffd7b4SAdheer Chandravanshi } 69126ffd7b4SAdheer Chandravanshi 69226ffd7b4SAdheer Chandravanshi if (is_qla80XX(ha)) 69326ffd7b4SAdheer Chandravanshi max_chap_entries = (ha->hw.flt_chap_size / 2) / 69426ffd7b4SAdheer Chandravanshi sizeof(struct ql4_chap_table); 69526ffd7b4SAdheer Chandravanshi else 69626ffd7b4SAdheer Chandravanshi max_chap_entries = MAX_CHAP_ENTRIES_40XX; 69726ffd7b4SAdheer Chandravanshi 69826ffd7b4SAdheer Chandravanshi if (chap_index > max_chap_entries) { 69926ffd7b4SAdheer Chandravanshi ql4_printk(KERN_ERR, ha, "Invalid Chap index\n"); 70026ffd7b4SAdheer Chandravanshi goto exit_get_chap; 70126ffd7b4SAdheer Chandravanshi } 70226ffd7b4SAdheer Chandravanshi 70326ffd7b4SAdheer Chandravanshi *chap_entry = (struct ql4_chap_table *)ha->chap_list + chap_index; 70426ffd7b4SAdheer Chandravanshi if ((*chap_entry)->cookie != 70526ffd7b4SAdheer Chandravanshi __constant_cpu_to_le16(CHAP_VALID_COOKIE)) { 70626ffd7b4SAdheer Chandravanshi *chap_entry = NULL; 70726ffd7b4SAdheer Chandravanshi } else { 70826ffd7b4SAdheer Chandravanshi rval = QLA_SUCCESS; 70926ffd7b4SAdheer Chandravanshi } 71026ffd7b4SAdheer Chandravanshi 71126ffd7b4SAdheer Chandravanshi exit_get_chap: 71226ffd7b4SAdheer Chandravanshi return rval; 71326ffd7b4SAdheer Chandravanshi } 71426ffd7b4SAdheer Chandravanshi 71526ffd7b4SAdheer Chandravanshi /** 71626ffd7b4SAdheer Chandravanshi * qla4xxx_find_free_chap_index - Find the first free chap index 71726ffd7b4SAdheer Chandravanshi * @ha: pointer to adapter structure 71826ffd7b4SAdheer Chandravanshi * @chap_index: CHAP index to be returned 71926ffd7b4SAdheer Chandravanshi * 72026ffd7b4SAdheer Chandravanshi * Find the first free chap index available in the chap table 72126ffd7b4SAdheer Chandravanshi * 72226ffd7b4SAdheer Chandravanshi * Note: Caller should acquire the chap lock before getting here. 72326ffd7b4SAdheer Chandravanshi **/ 72426ffd7b4SAdheer Chandravanshi static int qla4xxx_find_free_chap_index(struct scsi_qla_host *ha, 72526ffd7b4SAdheer Chandravanshi uint16_t *chap_index) 72626ffd7b4SAdheer Chandravanshi { 72726ffd7b4SAdheer Chandravanshi int i, rval; 72826ffd7b4SAdheer Chandravanshi int free_index = -1; 72926ffd7b4SAdheer Chandravanshi int max_chap_entries = 0; 73026ffd7b4SAdheer Chandravanshi struct ql4_chap_table *chap_table; 73126ffd7b4SAdheer Chandravanshi 73226ffd7b4SAdheer Chandravanshi if (is_qla80XX(ha)) 73326ffd7b4SAdheer Chandravanshi max_chap_entries = (ha->hw.flt_chap_size / 2) / 73426ffd7b4SAdheer Chandravanshi sizeof(struct ql4_chap_table); 73526ffd7b4SAdheer Chandravanshi else 73626ffd7b4SAdheer Chandravanshi max_chap_entries = MAX_CHAP_ENTRIES_40XX; 73726ffd7b4SAdheer Chandravanshi 73826ffd7b4SAdheer Chandravanshi if (!ha->chap_list) { 73926ffd7b4SAdheer Chandravanshi ql4_printk(KERN_ERR, ha, "CHAP table cache is empty!\n"); 74026ffd7b4SAdheer Chandravanshi rval = QLA_ERROR; 74126ffd7b4SAdheer Chandravanshi goto exit_find_chap; 74226ffd7b4SAdheer Chandravanshi } 74326ffd7b4SAdheer Chandravanshi 74426ffd7b4SAdheer Chandravanshi for (i = 0; i < max_chap_entries; i++) { 74526ffd7b4SAdheer Chandravanshi chap_table = (struct ql4_chap_table *)ha->chap_list + i; 74626ffd7b4SAdheer Chandravanshi 74726ffd7b4SAdheer Chandravanshi if ((chap_table->cookie != 74826ffd7b4SAdheer Chandravanshi __constant_cpu_to_le16(CHAP_VALID_COOKIE)) && 74926ffd7b4SAdheer Chandravanshi (i > MAX_RESRV_CHAP_IDX)) { 75026ffd7b4SAdheer Chandravanshi free_index = i; 75126ffd7b4SAdheer Chandravanshi break; 75226ffd7b4SAdheer Chandravanshi } 75326ffd7b4SAdheer Chandravanshi } 75426ffd7b4SAdheer Chandravanshi 75526ffd7b4SAdheer Chandravanshi if (free_index != -1) { 75626ffd7b4SAdheer Chandravanshi *chap_index = free_index; 75726ffd7b4SAdheer Chandravanshi rval = QLA_SUCCESS; 75826ffd7b4SAdheer Chandravanshi } else { 75926ffd7b4SAdheer Chandravanshi rval = QLA_ERROR; 76026ffd7b4SAdheer Chandravanshi } 76126ffd7b4SAdheer Chandravanshi 76226ffd7b4SAdheer Chandravanshi exit_find_chap: 76326ffd7b4SAdheer Chandravanshi return rval; 76426ffd7b4SAdheer Chandravanshi } 76526ffd7b4SAdheer Chandravanshi 766376738afSNilesh Javali static int qla4xxx_get_chap_list(struct Scsi_Host *shost, uint16_t chap_tbl_idx, 767376738afSNilesh Javali uint32_t *num_entries, char *buf) 768376738afSNilesh Javali { 769376738afSNilesh Javali struct scsi_qla_host *ha = to_qla_host(shost); 770376738afSNilesh Javali struct ql4_chap_table *chap_table; 771376738afSNilesh Javali struct iscsi_chap_rec *chap_rec; 772376738afSNilesh Javali int max_chap_entries = 0; 773376738afSNilesh Javali int valid_chap_entries = 0; 774376738afSNilesh Javali int ret = 0, i; 775376738afSNilesh Javali 776d11b0ca3SVikas Chaudhary if (is_qla80XX(ha)) 777376738afSNilesh Javali max_chap_entries = (ha->hw.flt_chap_size / 2) / 778376738afSNilesh Javali sizeof(struct ql4_chap_table); 779376738afSNilesh Javali else 780376738afSNilesh Javali max_chap_entries = MAX_CHAP_ENTRIES_40XX; 781376738afSNilesh Javali 782376738afSNilesh Javali ql4_printk(KERN_INFO, ha, "%s: num_entries = %d, CHAP idx = %d\n", 783376738afSNilesh Javali __func__, *num_entries, chap_tbl_idx); 784376738afSNilesh Javali 785376738afSNilesh Javali if (!buf) { 786376738afSNilesh Javali ret = -ENOMEM; 787376738afSNilesh Javali goto exit_get_chap_list; 788376738afSNilesh Javali } 789376738afSNilesh Javali 790ea507a25SAdheer Chandravanshi qla4xxx_create_chap_list(ha); 791ea507a25SAdheer Chandravanshi 792376738afSNilesh Javali chap_rec = (struct iscsi_chap_rec *) buf; 793376738afSNilesh Javali mutex_lock(&ha->chap_sem); 794376738afSNilesh Javali for (i = chap_tbl_idx; i < max_chap_entries; i++) { 795376738afSNilesh Javali chap_table = (struct ql4_chap_table *)ha->chap_list + i; 796376738afSNilesh Javali if (chap_table->cookie != 797376738afSNilesh Javali __constant_cpu_to_le16(CHAP_VALID_COOKIE)) 798376738afSNilesh Javali continue; 799376738afSNilesh Javali 800376738afSNilesh Javali chap_rec->chap_tbl_idx = i; 801bdbb9662SRickard Strandqvist strlcpy(chap_rec->username, chap_table->name, 802376738afSNilesh Javali ISCSI_CHAP_AUTH_NAME_MAX_LEN); 803bdbb9662SRickard Strandqvist strlcpy(chap_rec->password, chap_table->secret, 804376738afSNilesh Javali QL4_CHAP_MAX_SECRET_LEN); 805376738afSNilesh Javali chap_rec->password_length = chap_table->secret_len; 806376738afSNilesh Javali 807376738afSNilesh Javali if (chap_table->flags & BIT_7) /* local */ 808376738afSNilesh Javali chap_rec->chap_type = CHAP_TYPE_OUT; 809376738afSNilesh Javali 810376738afSNilesh Javali if (chap_table->flags & BIT_6) /* peer */ 811376738afSNilesh Javali chap_rec->chap_type = CHAP_TYPE_IN; 812376738afSNilesh Javali 813376738afSNilesh Javali chap_rec++; 814376738afSNilesh Javali 815376738afSNilesh Javali valid_chap_entries++; 816376738afSNilesh Javali if (valid_chap_entries == *num_entries) 817376738afSNilesh Javali break; 818376738afSNilesh Javali else 819376738afSNilesh Javali continue; 820376738afSNilesh Javali } 821376738afSNilesh Javali mutex_unlock(&ha->chap_sem); 822376738afSNilesh Javali 823376738afSNilesh Javali exit_get_chap_list: 824376738afSNilesh Javali ql4_printk(KERN_INFO, ha, "%s: Valid CHAP Entries = %d\n", 825376738afSNilesh Javali __func__, valid_chap_entries); 826376738afSNilesh Javali *num_entries = valid_chap_entries; 827376738afSNilesh Javali return ret; 828376738afSNilesh Javali } 829376738afSNilesh Javali 830376738afSNilesh Javali static int __qla4xxx_is_chap_active(struct device *dev, void *data) 831376738afSNilesh Javali { 832376738afSNilesh Javali int ret = 0; 833376738afSNilesh Javali uint16_t *chap_tbl_idx = (uint16_t *) data; 834376738afSNilesh Javali struct iscsi_cls_session *cls_session; 835376738afSNilesh Javali struct iscsi_session *sess; 836376738afSNilesh Javali struct ddb_entry *ddb_entry; 837376738afSNilesh Javali 838376738afSNilesh Javali if (!iscsi_is_session_dev(dev)) 839376738afSNilesh Javali goto exit_is_chap_active; 840376738afSNilesh Javali 841376738afSNilesh Javali cls_session = iscsi_dev_to_session(dev); 842376738afSNilesh Javali sess = cls_session->dd_data; 843376738afSNilesh Javali ddb_entry = sess->dd_data; 844376738afSNilesh Javali 8455b0ec4cfSMike Christie if (iscsi_is_session_online(cls_session)) 846376738afSNilesh Javali goto exit_is_chap_active; 847376738afSNilesh Javali 848376738afSNilesh Javali if (ddb_entry->chap_tbl_idx == *chap_tbl_idx) 849376738afSNilesh Javali ret = 1; 850376738afSNilesh Javali 851376738afSNilesh Javali exit_is_chap_active: 852376738afSNilesh Javali return ret; 853376738afSNilesh Javali } 854376738afSNilesh Javali 855376738afSNilesh Javali static int qla4xxx_is_chap_active(struct Scsi_Host *shost, 856376738afSNilesh Javali uint16_t chap_tbl_idx) 857376738afSNilesh Javali { 858376738afSNilesh Javali int ret = 0; 859376738afSNilesh Javali 860376738afSNilesh Javali ret = device_for_each_child(&shost->shost_gendev, &chap_tbl_idx, 861376738afSNilesh Javali __qla4xxx_is_chap_active); 862376738afSNilesh Javali 863376738afSNilesh Javali return ret; 864376738afSNilesh Javali } 865376738afSNilesh Javali 866376738afSNilesh Javali static int qla4xxx_delete_chap(struct Scsi_Host *shost, uint16_t chap_tbl_idx) 867376738afSNilesh Javali { 868376738afSNilesh Javali struct scsi_qla_host *ha = to_qla_host(shost); 869376738afSNilesh Javali struct ql4_chap_table *chap_table; 870376738afSNilesh Javali dma_addr_t chap_dma; 871376738afSNilesh Javali int max_chap_entries = 0; 872376738afSNilesh Javali uint32_t offset = 0; 873376738afSNilesh Javali uint32_t chap_size; 874376738afSNilesh Javali int ret = 0; 875376738afSNilesh Javali 8768d35a9dcSSouptick Joarder chap_table = dma_pool_zalloc(ha->chap_dma_pool, GFP_KERNEL, &chap_dma); 877376738afSNilesh Javali if (chap_table == NULL) 878376738afSNilesh Javali return -ENOMEM; 879376738afSNilesh Javali 880d11b0ca3SVikas Chaudhary if (is_qla80XX(ha)) 881376738afSNilesh Javali max_chap_entries = (ha->hw.flt_chap_size / 2) / 882376738afSNilesh Javali sizeof(struct ql4_chap_table); 883376738afSNilesh Javali else 884376738afSNilesh Javali max_chap_entries = MAX_CHAP_ENTRIES_40XX; 885376738afSNilesh Javali 886376738afSNilesh Javali if (chap_tbl_idx > max_chap_entries) { 887376738afSNilesh Javali ret = -EINVAL; 888376738afSNilesh Javali goto exit_delete_chap; 889376738afSNilesh Javali } 890376738afSNilesh Javali 891376738afSNilesh Javali /* Check if chap index is in use. 892376738afSNilesh Javali * If chap is in use don't delet chap entry */ 893376738afSNilesh Javali ret = qla4xxx_is_chap_active(shost, chap_tbl_idx); 894376738afSNilesh Javali if (ret) { 895376738afSNilesh Javali ql4_printk(KERN_INFO, ha, "CHAP entry %d is in use, cannot " 896376738afSNilesh Javali "delete from flash\n", chap_tbl_idx); 897376738afSNilesh Javali ret = -EBUSY; 898376738afSNilesh Javali goto exit_delete_chap; 899376738afSNilesh Javali } 900376738afSNilesh Javali 901376738afSNilesh Javali chap_size = sizeof(struct ql4_chap_table); 902376738afSNilesh Javali if (is_qla40XX(ha)) 903376738afSNilesh Javali offset = FLASH_CHAP_OFFSET | (chap_tbl_idx * chap_size); 904376738afSNilesh Javali else { 905376738afSNilesh Javali offset = FLASH_RAW_ACCESS_ADDR + (ha->hw.flt_region_chap << 2); 906376738afSNilesh Javali /* flt_chap_size is CHAP table size for both ports 907376738afSNilesh Javali * so divide it by 2 to calculate the offset for second port 908376738afSNilesh Javali */ 909376738afSNilesh Javali if (ha->port_num == 1) 910376738afSNilesh Javali offset += (ha->hw.flt_chap_size / 2); 911376738afSNilesh Javali offset += (chap_tbl_idx * chap_size); 912376738afSNilesh Javali } 913376738afSNilesh Javali 914376738afSNilesh Javali ret = qla4xxx_get_flash(ha, chap_dma, offset, chap_size); 915376738afSNilesh Javali if (ret != QLA_SUCCESS) { 916376738afSNilesh Javali ret = -EINVAL; 917376738afSNilesh Javali goto exit_delete_chap; 918376738afSNilesh Javali } 919376738afSNilesh Javali 920376738afSNilesh Javali DEBUG2(ql4_printk(KERN_INFO, ha, "Chap Cookie: x%x\n", 921376738afSNilesh Javali __le16_to_cpu(chap_table->cookie))); 922376738afSNilesh Javali 923376738afSNilesh Javali if (__le16_to_cpu(chap_table->cookie) != CHAP_VALID_COOKIE) { 924376738afSNilesh Javali ql4_printk(KERN_ERR, ha, "No valid chap entry found\n"); 925376738afSNilesh Javali goto exit_delete_chap; 926376738afSNilesh Javali } 927376738afSNilesh Javali 928376738afSNilesh Javali chap_table->cookie = __constant_cpu_to_le16(0xFFFF); 929376738afSNilesh Javali 930376738afSNilesh Javali offset = FLASH_CHAP_OFFSET | 931376738afSNilesh Javali (chap_tbl_idx * sizeof(struct ql4_chap_table)); 932376738afSNilesh Javali ret = qla4xxx_set_flash(ha, chap_dma, offset, chap_size, 933376738afSNilesh Javali FLASH_OPT_RMW_COMMIT); 934376738afSNilesh Javali if (ret == QLA_SUCCESS && ha->chap_list) { 935376738afSNilesh Javali mutex_lock(&ha->chap_sem); 936376738afSNilesh Javali /* Update ha chap_list cache */ 937376738afSNilesh Javali memcpy((struct ql4_chap_table *)ha->chap_list + chap_tbl_idx, 938376738afSNilesh Javali chap_table, sizeof(struct ql4_chap_table)); 939376738afSNilesh Javali mutex_unlock(&ha->chap_sem); 940376738afSNilesh Javali } 941376738afSNilesh Javali if (ret != QLA_SUCCESS) 942376738afSNilesh Javali ret = -EINVAL; 943376738afSNilesh Javali 944376738afSNilesh Javali exit_delete_chap: 945376738afSNilesh Javali dma_pool_free(ha->chap_dma_pool, chap_table, chap_dma); 946376738afSNilesh Javali return ret; 947376738afSNilesh Javali } 948376738afSNilesh Javali 94926ffd7b4SAdheer Chandravanshi /** 95026ffd7b4SAdheer Chandravanshi * qla4xxx_set_chap_entry - Make chap entry with given information 95126ffd7b4SAdheer Chandravanshi * @shost: pointer to host 95226ffd7b4SAdheer Chandravanshi * @data: chap info - credentials, index and type to make chap entry 95326ffd7b4SAdheer Chandravanshi * @len: length of data 95426ffd7b4SAdheer Chandravanshi * 95526ffd7b4SAdheer Chandravanshi * Add or update chap entry with the given information 95626ffd7b4SAdheer Chandravanshi **/ 95726ffd7b4SAdheer Chandravanshi static int qla4xxx_set_chap_entry(struct Scsi_Host *shost, void *data, int len) 95826ffd7b4SAdheer Chandravanshi { 95926ffd7b4SAdheer Chandravanshi struct scsi_qla_host *ha = to_qla_host(shost); 96026ffd7b4SAdheer Chandravanshi struct iscsi_chap_rec chap_rec; 96126ffd7b4SAdheer Chandravanshi struct ql4_chap_table *chap_entry = NULL; 96226ffd7b4SAdheer Chandravanshi struct iscsi_param_info *param_info; 96326ffd7b4SAdheer Chandravanshi struct nlattr *attr; 96426ffd7b4SAdheer Chandravanshi int max_chap_entries = 0; 96526ffd7b4SAdheer Chandravanshi int type; 96626ffd7b4SAdheer Chandravanshi int rem = len; 96726ffd7b4SAdheer Chandravanshi int rc = 0; 9683c60cfd7SDan Carpenter int size; 96926ffd7b4SAdheer Chandravanshi 97026ffd7b4SAdheer Chandravanshi memset(&chap_rec, 0, sizeof(chap_rec)); 97126ffd7b4SAdheer Chandravanshi 97226ffd7b4SAdheer Chandravanshi nla_for_each_attr(attr, data, len, rem) { 97326ffd7b4SAdheer Chandravanshi param_info = nla_data(attr); 97426ffd7b4SAdheer Chandravanshi 97526ffd7b4SAdheer Chandravanshi switch (param_info->param) { 97626ffd7b4SAdheer Chandravanshi case ISCSI_CHAP_PARAM_INDEX: 97726ffd7b4SAdheer Chandravanshi chap_rec.chap_tbl_idx = *(uint16_t *)param_info->value; 97826ffd7b4SAdheer Chandravanshi break; 97926ffd7b4SAdheer Chandravanshi case ISCSI_CHAP_PARAM_CHAP_TYPE: 98026ffd7b4SAdheer Chandravanshi chap_rec.chap_type = param_info->value[0]; 98126ffd7b4SAdheer Chandravanshi break; 98226ffd7b4SAdheer Chandravanshi case ISCSI_CHAP_PARAM_USERNAME: 9833c60cfd7SDan Carpenter size = min_t(size_t, sizeof(chap_rec.username), 98426ffd7b4SAdheer Chandravanshi param_info->len); 9853c60cfd7SDan Carpenter memcpy(chap_rec.username, param_info->value, size); 98626ffd7b4SAdheer Chandravanshi break; 98726ffd7b4SAdheer Chandravanshi case ISCSI_CHAP_PARAM_PASSWORD: 9883c60cfd7SDan Carpenter size = min_t(size_t, sizeof(chap_rec.password), 98926ffd7b4SAdheer Chandravanshi param_info->len); 9903c60cfd7SDan Carpenter memcpy(chap_rec.password, param_info->value, size); 99126ffd7b4SAdheer Chandravanshi break; 99226ffd7b4SAdheer Chandravanshi case ISCSI_CHAP_PARAM_PASSWORD_LEN: 99326ffd7b4SAdheer Chandravanshi chap_rec.password_length = param_info->value[0]; 99426ffd7b4SAdheer Chandravanshi break; 99526ffd7b4SAdheer Chandravanshi default: 99626ffd7b4SAdheer Chandravanshi ql4_printk(KERN_ERR, ha, 99726ffd7b4SAdheer Chandravanshi "%s: No such sysfs attribute\n", __func__); 99826ffd7b4SAdheer Chandravanshi rc = -ENOSYS; 99926ffd7b4SAdheer Chandravanshi goto exit_set_chap; 10009b77c9daSJason Yan } 100126ffd7b4SAdheer Chandravanshi } 100226ffd7b4SAdheer Chandravanshi 100326ffd7b4SAdheer Chandravanshi if (chap_rec.chap_type == CHAP_TYPE_IN) 100426ffd7b4SAdheer Chandravanshi type = BIDI_CHAP; 100526ffd7b4SAdheer Chandravanshi else 100626ffd7b4SAdheer Chandravanshi type = LOCAL_CHAP; 100726ffd7b4SAdheer Chandravanshi 100826ffd7b4SAdheer Chandravanshi if (is_qla80XX(ha)) 100926ffd7b4SAdheer Chandravanshi max_chap_entries = (ha->hw.flt_chap_size / 2) / 101026ffd7b4SAdheer Chandravanshi sizeof(struct ql4_chap_table); 101126ffd7b4SAdheer Chandravanshi else 101226ffd7b4SAdheer Chandravanshi max_chap_entries = MAX_CHAP_ENTRIES_40XX; 101326ffd7b4SAdheer Chandravanshi 101426ffd7b4SAdheer Chandravanshi mutex_lock(&ha->chap_sem); 101526ffd7b4SAdheer Chandravanshi if (chap_rec.chap_tbl_idx < max_chap_entries) { 101626ffd7b4SAdheer Chandravanshi rc = qla4xxx_get_chap_by_index(ha, chap_rec.chap_tbl_idx, 101726ffd7b4SAdheer Chandravanshi &chap_entry); 101826ffd7b4SAdheer Chandravanshi if (!rc) { 101926ffd7b4SAdheer Chandravanshi if (!(type == qla4xxx_get_chap_type(chap_entry))) { 102026ffd7b4SAdheer Chandravanshi ql4_printk(KERN_INFO, ha, 102126ffd7b4SAdheer Chandravanshi "Type mismatch for CHAP entry %d\n", 102226ffd7b4SAdheer Chandravanshi chap_rec.chap_tbl_idx); 102326ffd7b4SAdheer Chandravanshi rc = -EINVAL; 102426ffd7b4SAdheer Chandravanshi goto exit_unlock_chap; 102526ffd7b4SAdheer Chandravanshi } 102626ffd7b4SAdheer Chandravanshi 102726ffd7b4SAdheer Chandravanshi /* If chap index is in use then don't modify it */ 102826ffd7b4SAdheer Chandravanshi rc = qla4xxx_is_chap_active(shost, 102926ffd7b4SAdheer Chandravanshi chap_rec.chap_tbl_idx); 103026ffd7b4SAdheer Chandravanshi if (rc) { 103126ffd7b4SAdheer Chandravanshi ql4_printk(KERN_INFO, ha, 103226ffd7b4SAdheer Chandravanshi "CHAP entry %d is in use\n", 103326ffd7b4SAdheer Chandravanshi chap_rec.chap_tbl_idx); 103426ffd7b4SAdheer Chandravanshi rc = -EBUSY; 103526ffd7b4SAdheer Chandravanshi goto exit_unlock_chap; 103626ffd7b4SAdheer Chandravanshi } 103726ffd7b4SAdheer Chandravanshi } 103826ffd7b4SAdheer Chandravanshi } else { 103926ffd7b4SAdheer Chandravanshi rc = qla4xxx_find_free_chap_index(ha, &chap_rec.chap_tbl_idx); 104026ffd7b4SAdheer Chandravanshi if (rc) { 104126ffd7b4SAdheer Chandravanshi ql4_printk(KERN_INFO, ha, "CHAP entry not available\n"); 104226ffd7b4SAdheer Chandravanshi rc = -EBUSY; 104326ffd7b4SAdheer Chandravanshi goto exit_unlock_chap; 104426ffd7b4SAdheer Chandravanshi } 104526ffd7b4SAdheer Chandravanshi } 104626ffd7b4SAdheer Chandravanshi 104726ffd7b4SAdheer Chandravanshi rc = qla4xxx_set_chap(ha, chap_rec.username, chap_rec.password, 104826ffd7b4SAdheer Chandravanshi chap_rec.chap_tbl_idx, type); 104926ffd7b4SAdheer Chandravanshi 105026ffd7b4SAdheer Chandravanshi exit_unlock_chap: 105126ffd7b4SAdheer Chandravanshi mutex_unlock(&ha->chap_sem); 105226ffd7b4SAdheer Chandravanshi 105326ffd7b4SAdheer Chandravanshi exit_set_chap: 105426ffd7b4SAdheer Chandravanshi return rc; 105526ffd7b4SAdheer Chandravanshi } 105626ffd7b4SAdheer Chandravanshi 10574161cee5SLalit Chandivade 10584161cee5SLalit Chandivade static int qla4xxx_get_host_stats(struct Scsi_Host *shost, char *buf, int len) 10594161cee5SLalit Chandivade { 10604161cee5SLalit Chandivade struct scsi_qla_host *ha = to_qla_host(shost); 10614161cee5SLalit Chandivade struct iscsi_offload_host_stats *host_stats = NULL; 10624161cee5SLalit Chandivade int host_stats_size; 10634161cee5SLalit Chandivade int ret = 0; 10644161cee5SLalit Chandivade int ddb_idx = 0; 10654161cee5SLalit Chandivade struct ql_iscsi_stats *ql_iscsi_stats = NULL; 10664161cee5SLalit Chandivade int stats_size; 10674161cee5SLalit Chandivade dma_addr_t iscsi_stats_dma; 10684161cee5SLalit Chandivade 10694161cee5SLalit Chandivade DEBUG2(ql4_printk(KERN_INFO, ha, "Func: %s\n", __func__)); 10704161cee5SLalit Chandivade 10714161cee5SLalit Chandivade host_stats_size = sizeof(struct iscsi_offload_host_stats); 10724161cee5SLalit Chandivade 10734161cee5SLalit Chandivade if (host_stats_size != len) { 10744161cee5SLalit Chandivade ql4_printk(KERN_INFO, ha, "%s: host_stats size mismatch expected = %d, is = %d\n", 10754161cee5SLalit Chandivade __func__, len, host_stats_size); 10764161cee5SLalit Chandivade ret = -EINVAL; 10774161cee5SLalit Chandivade goto exit_host_stats; 10784161cee5SLalit Chandivade } 10794161cee5SLalit Chandivade host_stats = (struct iscsi_offload_host_stats *)buf; 10804161cee5SLalit Chandivade 10814161cee5SLalit Chandivade if (!buf) { 10824161cee5SLalit Chandivade ret = -ENOMEM; 10834161cee5SLalit Chandivade goto exit_host_stats; 10844161cee5SLalit Chandivade } 10854161cee5SLalit Chandivade 10864161cee5SLalit Chandivade stats_size = PAGE_ALIGN(sizeof(struct ql_iscsi_stats)); 10874161cee5SLalit Chandivade 10884161cee5SLalit Chandivade ql_iscsi_stats = dma_alloc_coherent(&ha->pdev->dev, stats_size, 10894161cee5SLalit Chandivade &iscsi_stats_dma, GFP_KERNEL); 10904161cee5SLalit Chandivade if (!ql_iscsi_stats) { 10914161cee5SLalit Chandivade ql4_printk(KERN_ERR, ha, 10924161cee5SLalit Chandivade "Unable to allocate memory for iscsi stats\n"); 10937f3976f0SMike Christie ret = -ENOMEM; 10944161cee5SLalit Chandivade goto exit_host_stats; 10954161cee5SLalit Chandivade } 10964161cee5SLalit Chandivade 10974161cee5SLalit Chandivade ret = qla4xxx_get_mgmt_data(ha, ddb_idx, stats_size, 10984161cee5SLalit Chandivade iscsi_stats_dma); 10994161cee5SLalit Chandivade if (ret != QLA_SUCCESS) { 11004161cee5SLalit Chandivade ql4_printk(KERN_ERR, ha, 11014161cee5SLalit Chandivade "Unable to retrieve iscsi stats\n"); 11027f3976f0SMike Christie ret = -EIO; 11034161cee5SLalit Chandivade goto exit_host_stats; 11044161cee5SLalit Chandivade } 11054161cee5SLalit Chandivade host_stats->mactx_frames = le64_to_cpu(ql_iscsi_stats->mac_tx_frames); 11064161cee5SLalit Chandivade host_stats->mactx_bytes = le64_to_cpu(ql_iscsi_stats->mac_tx_bytes); 11074161cee5SLalit Chandivade host_stats->mactx_multicast_frames = 11084161cee5SLalit Chandivade le64_to_cpu(ql_iscsi_stats->mac_tx_multicast_frames); 11094161cee5SLalit Chandivade host_stats->mactx_broadcast_frames = 11104161cee5SLalit Chandivade le64_to_cpu(ql_iscsi_stats->mac_tx_broadcast_frames); 11114161cee5SLalit Chandivade host_stats->mactx_pause_frames = 11124161cee5SLalit Chandivade le64_to_cpu(ql_iscsi_stats->mac_tx_pause_frames); 11134161cee5SLalit Chandivade host_stats->mactx_control_frames = 11144161cee5SLalit Chandivade le64_to_cpu(ql_iscsi_stats->mac_tx_control_frames); 11154161cee5SLalit Chandivade host_stats->mactx_deferral = 11164161cee5SLalit Chandivade le64_to_cpu(ql_iscsi_stats->mac_tx_deferral); 11174161cee5SLalit Chandivade host_stats->mactx_excess_deferral = 11184161cee5SLalit Chandivade le64_to_cpu(ql_iscsi_stats->mac_tx_excess_deferral); 11194161cee5SLalit Chandivade host_stats->mactx_late_collision = 11204161cee5SLalit Chandivade le64_to_cpu(ql_iscsi_stats->mac_tx_late_collision); 11214161cee5SLalit Chandivade host_stats->mactx_abort = le64_to_cpu(ql_iscsi_stats->mac_tx_abort); 11224161cee5SLalit Chandivade host_stats->mactx_single_collision = 11234161cee5SLalit Chandivade le64_to_cpu(ql_iscsi_stats->mac_tx_single_collision); 11244161cee5SLalit Chandivade host_stats->mactx_multiple_collision = 11254161cee5SLalit Chandivade le64_to_cpu(ql_iscsi_stats->mac_tx_multiple_collision); 11264161cee5SLalit Chandivade host_stats->mactx_collision = 11274161cee5SLalit Chandivade le64_to_cpu(ql_iscsi_stats->mac_tx_collision); 11284161cee5SLalit Chandivade host_stats->mactx_frames_dropped = 11294161cee5SLalit Chandivade le64_to_cpu(ql_iscsi_stats->mac_tx_frames_dropped); 11304161cee5SLalit Chandivade host_stats->mactx_jumbo_frames = 11314161cee5SLalit Chandivade le64_to_cpu(ql_iscsi_stats->mac_tx_jumbo_frames); 11324161cee5SLalit Chandivade host_stats->macrx_frames = le64_to_cpu(ql_iscsi_stats->mac_rx_frames); 11334161cee5SLalit Chandivade host_stats->macrx_bytes = le64_to_cpu(ql_iscsi_stats->mac_rx_bytes); 11344161cee5SLalit Chandivade host_stats->macrx_unknown_control_frames = 11354161cee5SLalit Chandivade le64_to_cpu(ql_iscsi_stats->mac_rx_unknown_control_frames); 11364161cee5SLalit Chandivade host_stats->macrx_pause_frames = 11374161cee5SLalit Chandivade le64_to_cpu(ql_iscsi_stats->mac_rx_pause_frames); 11384161cee5SLalit Chandivade host_stats->macrx_control_frames = 11394161cee5SLalit Chandivade le64_to_cpu(ql_iscsi_stats->mac_rx_control_frames); 11404161cee5SLalit Chandivade host_stats->macrx_dribble = 11414161cee5SLalit Chandivade le64_to_cpu(ql_iscsi_stats->mac_rx_dribble); 11424161cee5SLalit Chandivade host_stats->macrx_frame_length_error = 11434161cee5SLalit Chandivade le64_to_cpu(ql_iscsi_stats->mac_rx_frame_length_error); 11444161cee5SLalit Chandivade host_stats->macrx_jabber = le64_to_cpu(ql_iscsi_stats->mac_rx_jabber); 11454161cee5SLalit Chandivade host_stats->macrx_carrier_sense_error = 11464161cee5SLalit Chandivade le64_to_cpu(ql_iscsi_stats->mac_rx_carrier_sense_error); 11474161cee5SLalit Chandivade host_stats->macrx_frame_discarded = 11484161cee5SLalit Chandivade le64_to_cpu(ql_iscsi_stats->mac_rx_frame_discarded); 11494161cee5SLalit Chandivade host_stats->macrx_frames_dropped = 11504161cee5SLalit Chandivade le64_to_cpu(ql_iscsi_stats->mac_rx_frames_dropped); 11514161cee5SLalit Chandivade host_stats->mac_crc_error = le64_to_cpu(ql_iscsi_stats->mac_crc_error); 11524161cee5SLalit Chandivade host_stats->mac_encoding_error = 11534161cee5SLalit Chandivade le64_to_cpu(ql_iscsi_stats->mac_encoding_error); 11544161cee5SLalit Chandivade host_stats->macrx_length_error_large = 11554161cee5SLalit Chandivade le64_to_cpu(ql_iscsi_stats->mac_rx_length_error_large); 11564161cee5SLalit Chandivade host_stats->macrx_length_error_small = 11574161cee5SLalit Chandivade le64_to_cpu(ql_iscsi_stats->mac_rx_length_error_small); 11584161cee5SLalit Chandivade host_stats->macrx_multicast_frames = 11594161cee5SLalit Chandivade le64_to_cpu(ql_iscsi_stats->mac_rx_multicast_frames); 11604161cee5SLalit Chandivade host_stats->macrx_broadcast_frames = 11614161cee5SLalit Chandivade le64_to_cpu(ql_iscsi_stats->mac_rx_broadcast_frames); 11624161cee5SLalit Chandivade host_stats->iptx_packets = le64_to_cpu(ql_iscsi_stats->ip_tx_packets); 11634161cee5SLalit Chandivade host_stats->iptx_bytes = le64_to_cpu(ql_iscsi_stats->ip_tx_bytes); 11644161cee5SLalit Chandivade host_stats->iptx_fragments = 11654161cee5SLalit Chandivade le64_to_cpu(ql_iscsi_stats->ip_tx_fragments); 11664161cee5SLalit Chandivade host_stats->iprx_packets = le64_to_cpu(ql_iscsi_stats->ip_rx_packets); 11674161cee5SLalit Chandivade host_stats->iprx_bytes = le64_to_cpu(ql_iscsi_stats->ip_rx_bytes); 11684161cee5SLalit Chandivade host_stats->iprx_fragments = 11694161cee5SLalit Chandivade le64_to_cpu(ql_iscsi_stats->ip_rx_fragments); 11704161cee5SLalit Chandivade host_stats->ip_datagram_reassembly = 11714161cee5SLalit Chandivade le64_to_cpu(ql_iscsi_stats->ip_datagram_reassembly); 11724161cee5SLalit Chandivade host_stats->ip_invalid_address_error = 11734161cee5SLalit Chandivade le64_to_cpu(ql_iscsi_stats->ip_invalid_address_error); 11744161cee5SLalit Chandivade host_stats->ip_error_packets = 11754161cee5SLalit Chandivade le64_to_cpu(ql_iscsi_stats->ip_error_packets); 11764161cee5SLalit Chandivade host_stats->ip_fragrx_overlap = 11774161cee5SLalit Chandivade le64_to_cpu(ql_iscsi_stats->ip_fragrx_overlap); 11784161cee5SLalit Chandivade host_stats->ip_fragrx_outoforder = 11794161cee5SLalit Chandivade le64_to_cpu(ql_iscsi_stats->ip_fragrx_outoforder); 11804161cee5SLalit Chandivade host_stats->ip_datagram_reassembly_timeout = 11814161cee5SLalit Chandivade le64_to_cpu(ql_iscsi_stats->ip_datagram_reassembly_timeout); 11824161cee5SLalit Chandivade host_stats->ipv6tx_packets = 11834161cee5SLalit Chandivade le64_to_cpu(ql_iscsi_stats->ipv6_tx_packets); 11844161cee5SLalit Chandivade host_stats->ipv6tx_bytes = le64_to_cpu(ql_iscsi_stats->ipv6_tx_bytes); 11854161cee5SLalit Chandivade host_stats->ipv6tx_fragments = 11864161cee5SLalit Chandivade le64_to_cpu(ql_iscsi_stats->ipv6_tx_fragments); 11874161cee5SLalit Chandivade host_stats->ipv6rx_packets = 11884161cee5SLalit Chandivade le64_to_cpu(ql_iscsi_stats->ipv6_rx_packets); 11894161cee5SLalit Chandivade host_stats->ipv6rx_bytes = le64_to_cpu(ql_iscsi_stats->ipv6_rx_bytes); 11904161cee5SLalit Chandivade host_stats->ipv6rx_fragments = 11914161cee5SLalit Chandivade le64_to_cpu(ql_iscsi_stats->ipv6_rx_fragments); 11924161cee5SLalit Chandivade host_stats->ipv6_datagram_reassembly = 11934161cee5SLalit Chandivade le64_to_cpu(ql_iscsi_stats->ipv6_datagram_reassembly); 11944161cee5SLalit Chandivade host_stats->ipv6_invalid_address_error = 11954161cee5SLalit Chandivade le64_to_cpu(ql_iscsi_stats->ipv6_invalid_address_error); 11964161cee5SLalit Chandivade host_stats->ipv6_error_packets = 11974161cee5SLalit Chandivade le64_to_cpu(ql_iscsi_stats->ipv6_error_packets); 11984161cee5SLalit Chandivade host_stats->ipv6_fragrx_overlap = 11994161cee5SLalit Chandivade le64_to_cpu(ql_iscsi_stats->ipv6_fragrx_overlap); 12004161cee5SLalit Chandivade host_stats->ipv6_fragrx_outoforder = 12014161cee5SLalit Chandivade le64_to_cpu(ql_iscsi_stats->ipv6_fragrx_outoforder); 12024161cee5SLalit Chandivade host_stats->ipv6_datagram_reassembly_timeout = 12034161cee5SLalit Chandivade le64_to_cpu(ql_iscsi_stats->ipv6_datagram_reassembly_timeout); 12044161cee5SLalit Chandivade host_stats->tcptx_segments = 12054161cee5SLalit Chandivade le64_to_cpu(ql_iscsi_stats->tcp_tx_segments); 12064161cee5SLalit Chandivade host_stats->tcptx_bytes = le64_to_cpu(ql_iscsi_stats->tcp_tx_bytes); 12074161cee5SLalit Chandivade host_stats->tcprx_segments = 12084161cee5SLalit Chandivade le64_to_cpu(ql_iscsi_stats->tcp_rx_segments); 12094161cee5SLalit Chandivade host_stats->tcprx_byte = le64_to_cpu(ql_iscsi_stats->tcp_rx_byte); 12104161cee5SLalit Chandivade host_stats->tcp_duplicate_ack_retx = 12114161cee5SLalit Chandivade le64_to_cpu(ql_iscsi_stats->tcp_duplicate_ack_retx); 12124161cee5SLalit Chandivade host_stats->tcp_retx_timer_expired = 12134161cee5SLalit Chandivade le64_to_cpu(ql_iscsi_stats->tcp_retx_timer_expired); 12144161cee5SLalit Chandivade host_stats->tcprx_duplicate_ack = 12154161cee5SLalit Chandivade le64_to_cpu(ql_iscsi_stats->tcp_rx_duplicate_ack); 12164161cee5SLalit Chandivade host_stats->tcprx_pure_ackr = 12174161cee5SLalit Chandivade le64_to_cpu(ql_iscsi_stats->tcp_rx_pure_ackr); 12184161cee5SLalit Chandivade host_stats->tcptx_delayed_ack = 12194161cee5SLalit Chandivade le64_to_cpu(ql_iscsi_stats->tcp_tx_delayed_ack); 12204161cee5SLalit Chandivade host_stats->tcptx_pure_ack = 12214161cee5SLalit Chandivade le64_to_cpu(ql_iscsi_stats->tcp_tx_pure_ack); 12224161cee5SLalit Chandivade host_stats->tcprx_segment_error = 12234161cee5SLalit Chandivade le64_to_cpu(ql_iscsi_stats->tcp_rx_segment_error); 12244161cee5SLalit Chandivade host_stats->tcprx_segment_outoforder = 12254161cee5SLalit Chandivade le64_to_cpu(ql_iscsi_stats->tcp_rx_segment_outoforder); 12264161cee5SLalit Chandivade host_stats->tcprx_window_probe = 12274161cee5SLalit Chandivade le64_to_cpu(ql_iscsi_stats->tcp_rx_window_probe); 12284161cee5SLalit Chandivade host_stats->tcprx_window_update = 12294161cee5SLalit Chandivade le64_to_cpu(ql_iscsi_stats->tcp_rx_window_update); 12304161cee5SLalit Chandivade host_stats->tcptx_window_probe_persist = 12314161cee5SLalit Chandivade le64_to_cpu(ql_iscsi_stats->tcp_tx_window_probe_persist); 12324161cee5SLalit Chandivade host_stats->ecc_error_correction = 12334161cee5SLalit Chandivade le64_to_cpu(ql_iscsi_stats->ecc_error_correction); 12344161cee5SLalit Chandivade host_stats->iscsi_pdu_tx = le64_to_cpu(ql_iscsi_stats->iscsi_pdu_tx); 12354161cee5SLalit Chandivade host_stats->iscsi_data_bytes_tx = 12364161cee5SLalit Chandivade le64_to_cpu(ql_iscsi_stats->iscsi_data_bytes_tx); 12374161cee5SLalit Chandivade host_stats->iscsi_pdu_rx = le64_to_cpu(ql_iscsi_stats->iscsi_pdu_rx); 12384161cee5SLalit Chandivade host_stats->iscsi_data_bytes_rx = 12394161cee5SLalit Chandivade le64_to_cpu(ql_iscsi_stats->iscsi_data_bytes_rx); 12404161cee5SLalit Chandivade host_stats->iscsi_io_completed = 12414161cee5SLalit Chandivade le64_to_cpu(ql_iscsi_stats->iscsi_io_completed); 12424161cee5SLalit Chandivade host_stats->iscsi_unexpected_io_rx = 12434161cee5SLalit Chandivade le64_to_cpu(ql_iscsi_stats->iscsi_unexpected_io_rx); 12444161cee5SLalit Chandivade host_stats->iscsi_format_error = 12454161cee5SLalit Chandivade le64_to_cpu(ql_iscsi_stats->iscsi_format_error); 12464161cee5SLalit Chandivade host_stats->iscsi_hdr_digest_error = 12474161cee5SLalit Chandivade le64_to_cpu(ql_iscsi_stats->iscsi_hdr_digest_error); 12484161cee5SLalit Chandivade host_stats->iscsi_data_digest_error = 12494161cee5SLalit Chandivade le64_to_cpu(ql_iscsi_stats->iscsi_data_digest_error); 12504161cee5SLalit Chandivade host_stats->iscsi_sequence_error = 12514161cee5SLalit Chandivade le64_to_cpu(ql_iscsi_stats->iscsi_sequence_error); 12524161cee5SLalit Chandivade exit_host_stats: 12534161cee5SLalit Chandivade if (ql_iscsi_stats) 1254574918e6SChristophe JAILLET dma_free_coherent(&ha->pdev->dev, stats_size, 12554161cee5SLalit Chandivade ql_iscsi_stats, iscsi_stats_dma); 12564161cee5SLalit Chandivade 12574161cee5SLalit Chandivade ql4_printk(KERN_INFO, ha, "%s: Get host stats done\n", 12584161cee5SLalit Chandivade __func__); 12594161cee5SLalit Chandivade return ret; 12604161cee5SLalit Chandivade } 12614161cee5SLalit Chandivade 1262ed1086e0SVikas Chaudhary static int qla4xxx_get_iface_param(struct iscsi_iface *iface, 1263ed1086e0SVikas Chaudhary enum iscsi_param_type param_type, 1264ed1086e0SVikas Chaudhary int param, char *buf) 1265ed1086e0SVikas Chaudhary { 1266ed1086e0SVikas Chaudhary struct Scsi_Host *shost = iscsi_iface_to_shost(iface); 1267ed1086e0SVikas Chaudhary struct scsi_qla_host *ha = to_qla_host(shost); 1268f8e93412SHarish Zunjarrao int ival; 1269f8e93412SHarish Zunjarrao char *pval = NULL; 1270ed1086e0SVikas Chaudhary int len = -ENOSYS; 1271ed1086e0SVikas Chaudhary 1272f8e93412SHarish Zunjarrao if (param_type == ISCSI_NET_PARAM) { 1273ed1086e0SVikas Chaudhary switch (param) { 1274ed1086e0SVikas Chaudhary case ISCSI_NET_PARAM_IPV4_ADDR: 1275ed1086e0SVikas Chaudhary len = sprintf(buf, "%pI4\n", &ha->ip_config.ip_address); 1276ed1086e0SVikas Chaudhary break; 1277ed1086e0SVikas Chaudhary case ISCSI_NET_PARAM_IPV4_SUBNET: 1278f8e93412SHarish Zunjarrao len = sprintf(buf, "%pI4\n", 1279f8e93412SHarish Zunjarrao &ha->ip_config.subnet_mask); 1280ed1086e0SVikas Chaudhary break; 1281ed1086e0SVikas Chaudhary case ISCSI_NET_PARAM_IPV4_GW: 1282ed1086e0SVikas Chaudhary len = sprintf(buf, "%pI4\n", &ha->ip_config.gateway); 1283ed1086e0SVikas Chaudhary break; 1284ed1086e0SVikas Chaudhary case ISCSI_NET_PARAM_IFACE_ENABLE: 1285f8e93412SHarish Zunjarrao if (iface->iface_type == ISCSI_IFACE_TYPE_IPV4) { 1286f8e93412SHarish Zunjarrao OP_STATE(ha->ip_config.ipv4_options, 1287f8e93412SHarish Zunjarrao IPOPT_IPV4_PROTOCOL_ENABLE, pval); 1288f8e93412SHarish Zunjarrao } else { 1289f8e93412SHarish Zunjarrao OP_STATE(ha->ip_config.ipv6_options, 1290f8e93412SHarish Zunjarrao IPV6_OPT_IPV6_PROTOCOL_ENABLE, pval); 1291f8e93412SHarish Zunjarrao } 1292f8e93412SHarish Zunjarrao 1293f8e93412SHarish Zunjarrao len = sprintf(buf, "%s\n", pval); 1294ed1086e0SVikas Chaudhary break; 1295ed1086e0SVikas Chaudhary case ISCSI_NET_PARAM_IPV4_BOOTPROTO: 1296ed1086e0SVikas Chaudhary len = sprintf(buf, "%s\n", 1297f8e93412SHarish Zunjarrao (ha->ip_config.tcp_options & 1298f8e93412SHarish Zunjarrao TCPOPT_DHCP_ENABLE) ? 1299ed1086e0SVikas Chaudhary "dhcp" : "static"); 1300ed1086e0SVikas Chaudhary break; 1301ed1086e0SVikas Chaudhary case ISCSI_NET_PARAM_IPV6_ADDR: 1302ed1086e0SVikas Chaudhary if (iface->iface_num == 0) 1303f8e93412SHarish Zunjarrao len = sprintf(buf, "%pI6\n", 1304f8e93412SHarish Zunjarrao &ha->ip_config.ipv6_addr0); 1305ed1086e0SVikas Chaudhary if (iface->iface_num == 1) 1306f8e93412SHarish Zunjarrao len = sprintf(buf, "%pI6\n", 1307f8e93412SHarish Zunjarrao &ha->ip_config.ipv6_addr1); 1308ed1086e0SVikas Chaudhary break; 1309ed1086e0SVikas Chaudhary case ISCSI_NET_PARAM_IPV6_LINKLOCAL: 1310ed1086e0SVikas Chaudhary len = sprintf(buf, "%pI6\n", 1311ed1086e0SVikas Chaudhary &ha->ip_config.ipv6_link_local_addr); 1312ed1086e0SVikas Chaudhary break; 1313ed1086e0SVikas Chaudhary case ISCSI_NET_PARAM_IPV6_ROUTER: 1314ed1086e0SVikas Chaudhary len = sprintf(buf, "%pI6\n", 1315ed1086e0SVikas Chaudhary &ha->ip_config.ipv6_default_router_addr); 1316ed1086e0SVikas Chaudhary break; 1317ed1086e0SVikas Chaudhary case ISCSI_NET_PARAM_IPV6_ADDR_AUTOCFG: 1318f8e93412SHarish Zunjarrao pval = (ha->ip_config.ipv6_addl_options & 1319ed1086e0SVikas Chaudhary IPV6_ADDOPT_NEIGHBOR_DISCOVERY_ADDR_ENABLE) ? 1320f8e93412SHarish Zunjarrao "nd" : "static"; 1321f8e93412SHarish Zunjarrao 1322f8e93412SHarish Zunjarrao len = sprintf(buf, "%s\n", pval); 1323ed1086e0SVikas Chaudhary break; 1324ed1086e0SVikas Chaudhary case ISCSI_NET_PARAM_IPV6_LINKLOCAL_AUTOCFG: 1325f8e93412SHarish Zunjarrao pval = (ha->ip_config.ipv6_addl_options & 1326ed1086e0SVikas Chaudhary IPV6_ADDOPT_AUTOCONFIG_LINK_LOCAL_ADDR) ? 1327f8e93412SHarish Zunjarrao "auto" : "static"; 1328f8e93412SHarish Zunjarrao 1329f8e93412SHarish Zunjarrao len = sprintf(buf, "%s\n", pval); 1330ed1086e0SVikas Chaudhary break; 13316ac73e8cSVikas Chaudhary case ISCSI_NET_PARAM_VLAN_ID: 13326ac73e8cSVikas Chaudhary if (iface->iface_type == ISCSI_IFACE_TYPE_IPV4) 1333f8e93412SHarish Zunjarrao ival = ha->ip_config.ipv4_vlan_tag & 1334f8e93412SHarish Zunjarrao ISCSI_MAX_VLAN_ID; 1335f8e93412SHarish Zunjarrao else 1336f8e93412SHarish Zunjarrao ival = ha->ip_config.ipv6_vlan_tag & 1337f8e93412SHarish Zunjarrao ISCSI_MAX_VLAN_ID; 1338f8e93412SHarish Zunjarrao 1339f8e93412SHarish Zunjarrao len = sprintf(buf, "%d\n", ival); 13406ac73e8cSVikas Chaudhary break; 13416ac73e8cSVikas Chaudhary case ISCSI_NET_PARAM_VLAN_PRIORITY: 13426ac73e8cSVikas Chaudhary if (iface->iface_type == ISCSI_IFACE_TYPE_IPV4) 1343f8e93412SHarish Zunjarrao ival = (ha->ip_config.ipv4_vlan_tag >> 13) & 1344f8e93412SHarish Zunjarrao ISCSI_MAX_VLAN_PRIORITY; 1345f8e93412SHarish Zunjarrao else 1346f8e93412SHarish Zunjarrao ival = (ha->ip_config.ipv6_vlan_tag >> 13) & 1347f8e93412SHarish Zunjarrao ISCSI_MAX_VLAN_PRIORITY; 1348f8e93412SHarish Zunjarrao 1349f8e93412SHarish Zunjarrao len = sprintf(buf, "%d\n", ival); 13506ac73e8cSVikas Chaudhary break; 13516ac73e8cSVikas Chaudhary case ISCSI_NET_PARAM_VLAN_ENABLED: 1352f8e93412SHarish Zunjarrao if (iface->iface_type == ISCSI_IFACE_TYPE_IPV4) { 1353f8e93412SHarish Zunjarrao OP_STATE(ha->ip_config.ipv4_options, 1354f8e93412SHarish Zunjarrao IPOPT_VLAN_TAGGING_ENABLE, pval); 1355f8e93412SHarish Zunjarrao } else { 1356f8e93412SHarish Zunjarrao OP_STATE(ha->ip_config.ipv6_options, 1357f8e93412SHarish Zunjarrao IPV6_OPT_VLAN_TAGGING_ENABLE, pval); 1358f8e93412SHarish Zunjarrao } 1359f8e93412SHarish Zunjarrao len = sprintf(buf, "%s\n", pval); 13606ac73e8cSVikas Chaudhary break; 1361943c157bSVikas Chaudhary case ISCSI_NET_PARAM_MTU: 1362943c157bSVikas Chaudhary len = sprintf(buf, "%d\n", ha->ip_config.eth_mtu_size); 1363943c157bSVikas Chaudhary break; 13642ada7fc5SVikas Chaudhary case ISCSI_NET_PARAM_PORT: 13652ada7fc5SVikas Chaudhary if (iface->iface_type == ISCSI_IFACE_TYPE_IPV4) 1366f8e93412SHarish Zunjarrao len = sprintf(buf, "%d\n", 1367f8e93412SHarish Zunjarrao ha->ip_config.ipv4_port); 1368f8e93412SHarish Zunjarrao else 1369f8e93412SHarish Zunjarrao len = sprintf(buf, "%d\n", 1370f8e93412SHarish Zunjarrao ha->ip_config.ipv6_port); 1371f8e93412SHarish Zunjarrao break; 1372f8e93412SHarish Zunjarrao case ISCSI_NET_PARAM_IPADDR_STATE: 1373f8e93412SHarish Zunjarrao if (iface->iface_type == ISCSI_IFACE_TYPE_IPV4) { 1374f8e93412SHarish Zunjarrao pval = iscsi_get_ipaddress_state_name( 1375f8e93412SHarish Zunjarrao ha->ip_config.ipv4_addr_state); 1376f8e93412SHarish Zunjarrao } else { 1377f8e93412SHarish Zunjarrao if (iface->iface_num == 0) 1378f8e93412SHarish Zunjarrao pval = iscsi_get_ipaddress_state_name( 1379f8e93412SHarish Zunjarrao ha->ip_config.ipv6_addr0_state); 1380f8e93412SHarish Zunjarrao else if (iface->iface_num == 1) 1381f8e93412SHarish Zunjarrao pval = iscsi_get_ipaddress_state_name( 1382f8e93412SHarish Zunjarrao ha->ip_config.ipv6_addr1_state); 1383f8e93412SHarish Zunjarrao } 1384f8e93412SHarish Zunjarrao 1385f8e93412SHarish Zunjarrao len = sprintf(buf, "%s\n", pval); 1386f8e93412SHarish Zunjarrao break; 1387f8e93412SHarish Zunjarrao case ISCSI_NET_PARAM_IPV6_LINKLOCAL_STATE: 1388f8e93412SHarish Zunjarrao pval = iscsi_get_ipaddress_state_name( 1389f8e93412SHarish Zunjarrao ha->ip_config.ipv6_link_local_state); 1390f8e93412SHarish Zunjarrao len = sprintf(buf, "%s\n", pval); 1391f8e93412SHarish Zunjarrao break; 1392f8e93412SHarish Zunjarrao case ISCSI_NET_PARAM_IPV6_ROUTER_STATE: 1393f8e93412SHarish Zunjarrao pval = iscsi_get_router_state_name( 1394f8e93412SHarish Zunjarrao ha->ip_config.ipv6_default_router_state); 1395f8e93412SHarish Zunjarrao len = sprintf(buf, "%s\n", pval); 1396f8e93412SHarish Zunjarrao break; 1397f8e93412SHarish Zunjarrao case ISCSI_NET_PARAM_DELAYED_ACK_EN: 1398f8e93412SHarish Zunjarrao if (iface->iface_type == ISCSI_IFACE_TYPE_IPV4) { 1399f8e93412SHarish Zunjarrao OP_STATE(~ha->ip_config.tcp_options, 1400f8e93412SHarish Zunjarrao TCPOPT_DELAYED_ACK_DISABLE, pval); 1401f8e93412SHarish Zunjarrao } else { 1402f8e93412SHarish Zunjarrao OP_STATE(~ha->ip_config.ipv6_tcp_options, 1403f8e93412SHarish Zunjarrao IPV6_TCPOPT_DELAYED_ACK_DISABLE, pval); 1404f8e93412SHarish Zunjarrao } 1405f8e93412SHarish Zunjarrao len = sprintf(buf, "%s\n", pval); 1406f8e93412SHarish Zunjarrao break; 1407f8e93412SHarish Zunjarrao case ISCSI_NET_PARAM_TCP_NAGLE_DISABLE: 1408f8e93412SHarish Zunjarrao if (iface->iface_type == ISCSI_IFACE_TYPE_IPV4) { 1409f8e93412SHarish Zunjarrao OP_STATE(~ha->ip_config.tcp_options, 1410f8e93412SHarish Zunjarrao TCPOPT_NAGLE_ALGO_DISABLE, pval); 1411f8e93412SHarish Zunjarrao } else { 1412f8e93412SHarish Zunjarrao OP_STATE(~ha->ip_config.ipv6_tcp_options, 1413f8e93412SHarish Zunjarrao IPV6_TCPOPT_NAGLE_ALGO_DISABLE, pval); 1414f8e93412SHarish Zunjarrao } 1415f8e93412SHarish Zunjarrao len = sprintf(buf, "%s\n", pval); 1416f8e93412SHarish Zunjarrao break; 1417f8e93412SHarish Zunjarrao case ISCSI_NET_PARAM_TCP_WSF_DISABLE: 1418f8e93412SHarish Zunjarrao if (iface->iface_type == ISCSI_IFACE_TYPE_IPV4) { 1419f8e93412SHarish Zunjarrao OP_STATE(~ha->ip_config.tcp_options, 1420f8e93412SHarish Zunjarrao TCPOPT_WINDOW_SCALE_DISABLE, pval); 1421f8e93412SHarish Zunjarrao } else { 1422f8e93412SHarish Zunjarrao OP_STATE(~ha->ip_config.ipv6_tcp_options, 1423f8e93412SHarish Zunjarrao IPV6_TCPOPT_WINDOW_SCALE_DISABLE, 1424f8e93412SHarish Zunjarrao pval); 1425f8e93412SHarish Zunjarrao } 1426f8e93412SHarish Zunjarrao len = sprintf(buf, "%s\n", pval); 1427f8e93412SHarish Zunjarrao break; 1428f8e93412SHarish Zunjarrao case ISCSI_NET_PARAM_TCP_WSF: 1429f8e93412SHarish Zunjarrao if (iface->iface_type == ISCSI_IFACE_TYPE_IPV4) 1430f8e93412SHarish Zunjarrao len = sprintf(buf, "%d\n", 1431f8e93412SHarish Zunjarrao ha->ip_config.tcp_wsf); 1432f8e93412SHarish Zunjarrao else 1433f8e93412SHarish Zunjarrao len = sprintf(buf, "%d\n", 1434f8e93412SHarish Zunjarrao ha->ip_config.ipv6_tcp_wsf); 1435f8e93412SHarish Zunjarrao break; 1436f8e93412SHarish Zunjarrao case ISCSI_NET_PARAM_TCP_TIMER_SCALE: 1437f8e93412SHarish Zunjarrao if (iface->iface_type == ISCSI_IFACE_TYPE_IPV4) 1438f8e93412SHarish Zunjarrao ival = (ha->ip_config.tcp_options & 1439f8e93412SHarish Zunjarrao TCPOPT_TIMER_SCALE) >> 1; 1440f8e93412SHarish Zunjarrao else 1441f8e93412SHarish Zunjarrao ival = (ha->ip_config.ipv6_tcp_options & 1442f8e93412SHarish Zunjarrao IPV6_TCPOPT_TIMER_SCALE) >> 1; 1443f8e93412SHarish Zunjarrao 1444f8e93412SHarish Zunjarrao len = sprintf(buf, "%d\n", ival); 1445f8e93412SHarish Zunjarrao break; 1446f8e93412SHarish Zunjarrao case ISCSI_NET_PARAM_TCP_TIMESTAMP_EN: 1447f8e93412SHarish Zunjarrao if (iface->iface_type == ISCSI_IFACE_TYPE_IPV4) { 1448f8e93412SHarish Zunjarrao OP_STATE(ha->ip_config.tcp_options, 1449f8e93412SHarish Zunjarrao TCPOPT_TIMESTAMP_ENABLE, pval); 1450f8e93412SHarish Zunjarrao } else { 1451f8e93412SHarish Zunjarrao OP_STATE(ha->ip_config.ipv6_tcp_options, 1452f8e93412SHarish Zunjarrao IPV6_TCPOPT_TIMESTAMP_EN, pval); 1453f8e93412SHarish Zunjarrao } 1454f8e93412SHarish Zunjarrao len = sprintf(buf, "%s\n", pval); 1455f8e93412SHarish Zunjarrao break; 1456f8e93412SHarish Zunjarrao case ISCSI_NET_PARAM_CACHE_ID: 1457f8e93412SHarish Zunjarrao if (iface->iface_type == ISCSI_IFACE_TYPE_IPV4) 1458f8e93412SHarish Zunjarrao len = sprintf(buf, "%d\n", 1459f8e93412SHarish Zunjarrao ha->ip_config.ipv4_cache_id); 1460f8e93412SHarish Zunjarrao else 1461f8e93412SHarish Zunjarrao len = sprintf(buf, "%d\n", 1462f8e93412SHarish Zunjarrao ha->ip_config.ipv6_cache_id); 1463f8e93412SHarish Zunjarrao break; 1464f8e93412SHarish Zunjarrao case ISCSI_NET_PARAM_IPV4_DHCP_DNS_ADDR_EN: 1465f8e93412SHarish Zunjarrao OP_STATE(ha->ip_config.tcp_options, 1466f8e93412SHarish Zunjarrao TCPOPT_DNS_SERVER_IP_EN, pval); 1467f8e93412SHarish Zunjarrao 1468f8e93412SHarish Zunjarrao len = sprintf(buf, "%s\n", pval); 1469f8e93412SHarish Zunjarrao break; 1470f8e93412SHarish Zunjarrao case ISCSI_NET_PARAM_IPV4_DHCP_SLP_DA_EN: 1471f8e93412SHarish Zunjarrao OP_STATE(ha->ip_config.tcp_options, 1472f8e93412SHarish Zunjarrao TCPOPT_SLP_DA_INFO_EN, pval); 1473f8e93412SHarish Zunjarrao 1474f8e93412SHarish Zunjarrao len = sprintf(buf, "%s\n", pval); 1475f8e93412SHarish Zunjarrao break; 1476f8e93412SHarish Zunjarrao case ISCSI_NET_PARAM_IPV4_TOS_EN: 1477f8e93412SHarish Zunjarrao OP_STATE(ha->ip_config.ipv4_options, 1478f8e93412SHarish Zunjarrao IPOPT_IPV4_TOS_EN, pval); 1479f8e93412SHarish Zunjarrao 1480f8e93412SHarish Zunjarrao len = sprintf(buf, "%s\n", pval); 1481f8e93412SHarish Zunjarrao break; 1482f8e93412SHarish Zunjarrao case ISCSI_NET_PARAM_IPV4_TOS: 1483f8e93412SHarish Zunjarrao len = sprintf(buf, "%d\n", ha->ip_config.ipv4_tos); 1484f8e93412SHarish Zunjarrao break; 1485f8e93412SHarish Zunjarrao case ISCSI_NET_PARAM_IPV4_GRAT_ARP_EN: 1486f8e93412SHarish Zunjarrao OP_STATE(ha->ip_config.ipv4_options, 1487f8e93412SHarish Zunjarrao IPOPT_GRAT_ARP_EN, pval); 1488f8e93412SHarish Zunjarrao 1489f8e93412SHarish Zunjarrao len = sprintf(buf, "%s\n", pval); 1490f8e93412SHarish Zunjarrao break; 1491f8e93412SHarish Zunjarrao case ISCSI_NET_PARAM_IPV4_DHCP_ALT_CLIENT_ID_EN: 1492f8e93412SHarish Zunjarrao OP_STATE(ha->ip_config.ipv4_options, IPOPT_ALT_CID_EN, 1493f8e93412SHarish Zunjarrao pval); 1494f8e93412SHarish Zunjarrao 1495f8e93412SHarish Zunjarrao len = sprintf(buf, "%s\n", pval); 1496f8e93412SHarish Zunjarrao break; 1497f8e93412SHarish Zunjarrao case ISCSI_NET_PARAM_IPV4_DHCP_ALT_CLIENT_ID: 1498f8e93412SHarish Zunjarrao pval = (ha->ip_config.ipv4_alt_cid_len) ? 1499f8e93412SHarish Zunjarrao (char *)ha->ip_config.ipv4_alt_cid : ""; 1500f8e93412SHarish Zunjarrao 1501f8e93412SHarish Zunjarrao len = sprintf(buf, "%s\n", pval); 1502f8e93412SHarish Zunjarrao break; 1503f8e93412SHarish Zunjarrao case ISCSI_NET_PARAM_IPV4_DHCP_REQ_VENDOR_ID_EN: 1504f8e93412SHarish Zunjarrao OP_STATE(ha->ip_config.ipv4_options, 1505f8e93412SHarish Zunjarrao IPOPT_REQ_VID_EN, pval); 1506f8e93412SHarish Zunjarrao 1507f8e93412SHarish Zunjarrao len = sprintf(buf, "%s\n", pval); 1508f8e93412SHarish Zunjarrao break; 1509f8e93412SHarish Zunjarrao case ISCSI_NET_PARAM_IPV4_DHCP_USE_VENDOR_ID_EN: 1510f8e93412SHarish Zunjarrao OP_STATE(ha->ip_config.ipv4_options, 1511f8e93412SHarish Zunjarrao IPOPT_USE_VID_EN, pval); 1512f8e93412SHarish Zunjarrao 1513f8e93412SHarish Zunjarrao len = sprintf(buf, "%s\n", pval); 1514f8e93412SHarish Zunjarrao break; 1515f8e93412SHarish Zunjarrao case ISCSI_NET_PARAM_IPV4_DHCP_VENDOR_ID: 1516f8e93412SHarish Zunjarrao pval = (ha->ip_config.ipv4_vid_len) ? 1517f8e93412SHarish Zunjarrao (char *)ha->ip_config.ipv4_vid : ""; 1518f8e93412SHarish Zunjarrao 1519f8e93412SHarish Zunjarrao len = sprintf(buf, "%s\n", pval); 1520f8e93412SHarish Zunjarrao break; 1521f8e93412SHarish Zunjarrao case ISCSI_NET_PARAM_IPV4_DHCP_LEARN_IQN_EN: 1522f8e93412SHarish Zunjarrao OP_STATE(ha->ip_config.ipv4_options, 1523f8e93412SHarish Zunjarrao IPOPT_LEARN_IQN_EN, pval); 1524f8e93412SHarish Zunjarrao 1525f8e93412SHarish Zunjarrao len = sprintf(buf, "%s\n", pval); 1526f8e93412SHarish Zunjarrao break; 1527f8e93412SHarish Zunjarrao case ISCSI_NET_PARAM_IPV4_FRAGMENT_DISABLE: 1528f8e93412SHarish Zunjarrao OP_STATE(~ha->ip_config.ipv4_options, 1529f8e93412SHarish Zunjarrao IPOPT_FRAGMENTATION_DISABLE, pval); 1530f8e93412SHarish Zunjarrao 1531f8e93412SHarish Zunjarrao len = sprintf(buf, "%s\n", pval); 1532f8e93412SHarish Zunjarrao break; 1533f8e93412SHarish Zunjarrao case ISCSI_NET_PARAM_IPV4_IN_FORWARD_EN: 1534f8e93412SHarish Zunjarrao OP_STATE(ha->ip_config.ipv4_options, 1535f8e93412SHarish Zunjarrao IPOPT_IN_FORWARD_EN, pval); 1536f8e93412SHarish Zunjarrao 1537f8e93412SHarish Zunjarrao len = sprintf(buf, "%s\n", pval); 1538f8e93412SHarish Zunjarrao break; 1539f8e93412SHarish Zunjarrao case ISCSI_NET_PARAM_REDIRECT_EN: 1540f8e93412SHarish Zunjarrao if (iface->iface_type == ISCSI_IFACE_TYPE_IPV4) { 1541f8e93412SHarish Zunjarrao OP_STATE(ha->ip_config.ipv4_options, 1542f8e93412SHarish Zunjarrao IPOPT_ARP_REDIRECT_EN, pval); 1543f8e93412SHarish Zunjarrao } else { 1544f8e93412SHarish Zunjarrao OP_STATE(ha->ip_config.ipv6_options, 1545f8e93412SHarish Zunjarrao IPV6_OPT_REDIRECT_EN, pval); 1546f8e93412SHarish Zunjarrao } 1547f8e93412SHarish Zunjarrao len = sprintf(buf, "%s\n", pval); 1548f8e93412SHarish Zunjarrao break; 1549f8e93412SHarish Zunjarrao case ISCSI_NET_PARAM_IPV4_TTL: 1550f8e93412SHarish Zunjarrao len = sprintf(buf, "%d\n", ha->ip_config.ipv4_ttl); 1551f8e93412SHarish Zunjarrao break; 1552f8e93412SHarish Zunjarrao case ISCSI_NET_PARAM_IPV6_GRAT_NEIGHBOR_ADV_EN: 1553f8e93412SHarish Zunjarrao OP_STATE(ha->ip_config.ipv6_options, 1554f8e93412SHarish Zunjarrao IPV6_OPT_GRAT_NEIGHBOR_ADV_EN, pval); 1555f8e93412SHarish Zunjarrao 1556f8e93412SHarish Zunjarrao len = sprintf(buf, "%s\n", pval); 1557f8e93412SHarish Zunjarrao break; 1558f8e93412SHarish Zunjarrao case ISCSI_NET_PARAM_IPV6_MLD_EN: 1559f8e93412SHarish Zunjarrao OP_STATE(ha->ip_config.ipv6_addl_options, 1560f8e93412SHarish Zunjarrao IPV6_ADDOPT_MLD_EN, pval); 1561f8e93412SHarish Zunjarrao 1562f8e93412SHarish Zunjarrao len = sprintf(buf, "%s\n", pval); 1563f8e93412SHarish Zunjarrao break; 1564f8e93412SHarish Zunjarrao case ISCSI_NET_PARAM_IPV6_FLOW_LABEL: 1565f8e93412SHarish Zunjarrao len = sprintf(buf, "%u\n", ha->ip_config.ipv6_flow_lbl); 1566f8e93412SHarish Zunjarrao break; 1567f8e93412SHarish Zunjarrao case ISCSI_NET_PARAM_IPV6_TRAFFIC_CLASS: 1568f8e93412SHarish Zunjarrao len = sprintf(buf, "%d\n", 1569f8e93412SHarish Zunjarrao ha->ip_config.ipv6_traffic_class); 1570f8e93412SHarish Zunjarrao break; 1571f8e93412SHarish Zunjarrao case ISCSI_NET_PARAM_IPV6_HOP_LIMIT: 1572f8e93412SHarish Zunjarrao len = sprintf(buf, "%d\n", 1573f8e93412SHarish Zunjarrao ha->ip_config.ipv6_hop_limit); 1574f8e93412SHarish Zunjarrao break; 1575f8e93412SHarish Zunjarrao case ISCSI_NET_PARAM_IPV6_ND_REACHABLE_TMO: 1576f8e93412SHarish Zunjarrao len = sprintf(buf, "%d\n", 1577f8e93412SHarish Zunjarrao ha->ip_config.ipv6_nd_reach_time); 1578f8e93412SHarish Zunjarrao break; 1579f8e93412SHarish Zunjarrao case ISCSI_NET_PARAM_IPV6_ND_REXMIT_TIME: 1580f8e93412SHarish Zunjarrao len = sprintf(buf, "%d\n", 1581f8e93412SHarish Zunjarrao ha->ip_config.ipv6_nd_rexmit_timer); 1582f8e93412SHarish Zunjarrao break; 1583f8e93412SHarish Zunjarrao case ISCSI_NET_PARAM_IPV6_ND_STALE_TMO: 1584f8e93412SHarish Zunjarrao len = sprintf(buf, "%d\n", 1585f8e93412SHarish Zunjarrao ha->ip_config.ipv6_nd_stale_timeout); 1586f8e93412SHarish Zunjarrao break; 1587f8e93412SHarish Zunjarrao case ISCSI_NET_PARAM_IPV6_DUP_ADDR_DETECT_CNT: 1588f8e93412SHarish Zunjarrao len = sprintf(buf, "%d\n", 1589f8e93412SHarish Zunjarrao ha->ip_config.ipv6_dup_addr_detect_count); 1590f8e93412SHarish Zunjarrao break; 1591f8e93412SHarish Zunjarrao case ISCSI_NET_PARAM_IPV6_RTR_ADV_LINK_MTU: 1592f8e93412SHarish Zunjarrao len = sprintf(buf, "%d\n", 1593f8e93412SHarish Zunjarrao ha->ip_config.ipv6_gw_advrt_mtu); 15942ada7fc5SVikas Chaudhary break; 1595ed1086e0SVikas Chaudhary default: 1596ed1086e0SVikas Chaudhary len = -ENOSYS; 1597ed1086e0SVikas Chaudhary } 1598f8e93412SHarish Zunjarrao } else if (param_type == ISCSI_IFACE_PARAM) { 1599f8e93412SHarish Zunjarrao switch (param) { 1600f8e93412SHarish Zunjarrao case ISCSI_IFACE_PARAM_DEF_TASKMGMT_TMO: 1601f8e93412SHarish Zunjarrao len = sprintf(buf, "%d\n", ha->ip_config.def_timeout); 1602f8e93412SHarish Zunjarrao break; 1603f8e93412SHarish Zunjarrao case ISCSI_IFACE_PARAM_HDRDGST_EN: 1604f8e93412SHarish Zunjarrao OP_STATE(ha->ip_config.iscsi_options, 1605f8e93412SHarish Zunjarrao ISCSIOPTS_HEADER_DIGEST_EN, pval); 1606f8e93412SHarish Zunjarrao 1607f8e93412SHarish Zunjarrao len = sprintf(buf, "%s\n", pval); 1608f8e93412SHarish Zunjarrao break; 1609f8e93412SHarish Zunjarrao case ISCSI_IFACE_PARAM_DATADGST_EN: 1610f8e93412SHarish Zunjarrao OP_STATE(ha->ip_config.iscsi_options, 1611f8e93412SHarish Zunjarrao ISCSIOPTS_DATA_DIGEST_EN, pval); 1612f8e93412SHarish Zunjarrao 1613f8e93412SHarish Zunjarrao len = sprintf(buf, "%s\n", pval); 1614f8e93412SHarish Zunjarrao break; 1615f8e93412SHarish Zunjarrao case ISCSI_IFACE_PARAM_IMM_DATA_EN: 1616f8e93412SHarish Zunjarrao OP_STATE(ha->ip_config.iscsi_options, 1617f8e93412SHarish Zunjarrao ISCSIOPTS_IMMEDIATE_DATA_EN, pval); 1618f8e93412SHarish Zunjarrao 1619f8e93412SHarish Zunjarrao len = sprintf(buf, "%s\n", pval); 1620f8e93412SHarish Zunjarrao break; 1621f8e93412SHarish Zunjarrao case ISCSI_IFACE_PARAM_INITIAL_R2T_EN: 1622f8e93412SHarish Zunjarrao OP_STATE(ha->ip_config.iscsi_options, 1623f8e93412SHarish Zunjarrao ISCSIOPTS_INITIAL_R2T_EN, pval); 1624f8e93412SHarish Zunjarrao 1625f8e93412SHarish Zunjarrao len = sprintf(buf, "%s\n", pval); 1626f8e93412SHarish Zunjarrao break; 1627f8e93412SHarish Zunjarrao case ISCSI_IFACE_PARAM_DATASEQ_INORDER_EN: 1628f8e93412SHarish Zunjarrao OP_STATE(ha->ip_config.iscsi_options, 1629f8e93412SHarish Zunjarrao ISCSIOPTS_DATA_SEQ_INORDER_EN, pval); 1630f8e93412SHarish Zunjarrao 1631f8e93412SHarish Zunjarrao len = sprintf(buf, "%s\n", pval); 1632f8e93412SHarish Zunjarrao break; 1633f8e93412SHarish Zunjarrao case ISCSI_IFACE_PARAM_PDU_INORDER_EN: 1634f8e93412SHarish Zunjarrao OP_STATE(ha->ip_config.iscsi_options, 1635f8e93412SHarish Zunjarrao ISCSIOPTS_DATA_PDU_INORDER_EN, pval); 1636f8e93412SHarish Zunjarrao 1637f8e93412SHarish Zunjarrao len = sprintf(buf, "%s\n", pval); 1638f8e93412SHarish Zunjarrao break; 1639f8e93412SHarish Zunjarrao case ISCSI_IFACE_PARAM_ERL: 1640f8e93412SHarish Zunjarrao len = sprintf(buf, "%d\n", 1641f8e93412SHarish Zunjarrao (ha->ip_config.iscsi_options & 1642f8e93412SHarish Zunjarrao ISCSIOPTS_ERL)); 1643f8e93412SHarish Zunjarrao break; 1644f8e93412SHarish Zunjarrao case ISCSI_IFACE_PARAM_MAX_RECV_DLENGTH: 1645f8e93412SHarish Zunjarrao len = sprintf(buf, "%u\n", 1646f8e93412SHarish Zunjarrao ha->ip_config.iscsi_max_pdu_size * 1647f8e93412SHarish Zunjarrao BYTE_UNITS); 1648f8e93412SHarish Zunjarrao break; 1649f8e93412SHarish Zunjarrao case ISCSI_IFACE_PARAM_FIRST_BURST: 1650f8e93412SHarish Zunjarrao len = sprintf(buf, "%u\n", 1651f8e93412SHarish Zunjarrao ha->ip_config.iscsi_first_burst_len * 1652f8e93412SHarish Zunjarrao BYTE_UNITS); 1653f8e93412SHarish Zunjarrao break; 1654f8e93412SHarish Zunjarrao case ISCSI_IFACE_PARAM_MAX_R2T: 1655f8e93412SHarish Zunjarrao len = sprintf(buf, "%d\n", 1656f8e93412SHarish Zunjarrao ha->ip_config.iscsi_max_outstnd_r2t); 1657f8e93412SHarish Zunjarrao break; 1658f8e93412SHarish Zunjarrao case ISCSI_IFACE_PARAM_MAX_BURST: 1659f8e93412SHarish Zunjarrao len = sprintf(buf, "%u\n", 1660f8e93412SHarish Zunjarrao ha->ip_config.iscsi_max_burst_len * 1661f8e93412SHarish Zunjarrao BYTE_UNITS); 1662f8e93412SHarish Zunjarrao break; 1663f8e93412SHarish Zunjarrao case ISCSI_IFACE_PARAM_CHAP_AUTH_EN: 1664f8e93412SHarish Zunjarrao OP_STATE(ha->ip_config.iscsi_options, 1665f8e93412SHarish Zunjarrao ISCSIOPTS_CHAP_AUTH_EN, pval); 1666f8e93412SHarish Zunjarrao 1667f8e93412SHarish Zunjarrao len = sprintf(buf, "%s\n", pval); 1668f8e93412SHarish Zunjarrao break; 1669f8e93412SHarish Zunjarrao case ISCSI_IFACE_PARAM_BIDI_CHAP_EN: 1670f8e93412SHarish Zunjarrao OP_STATE(ha->ip_config.iscsi_options, 1671f8e93412SHarish Zunjarrao ISCSIOPTS_BIDI_CHAP_EN, pval); 1672f8e93412SHarish Zunjarrao 1673f8e93412SHarish Zunjarrao len = sprintf(buf, "%s\n", pval); 1674f8e93412SHarish Zunjarrao break; 1675f8e93412SHarish Zunjarrao case ISCSI_IFACE_PARAM_DISCOVERY_AUTH_OPTIONAL: 1676f8e93412SHarish Zunjarrao OP_STATE(ha->ip_config.iscsi_options, 1677f8e93412SHarish Zunjarrao ISCSIOPTS_DISCOVERY_AUTH_EN, pval); 1678f8e93412SHarish Zunjarrao 1679f8e93412SHarish Zunjarrao len = sprintf(buf, "%s\n", pval); 1680f8e93412SHarish Zunjarrao break; 1681f8e93412SHarish Zunjarrao case ISCSI_IFACE_PARAM_DISCOVERY_LOGOUT_EN: 1682f8e93412SHarish Zunjarrao OP_STATE(ha->ip_config.iscsi_options, 1683f8e93412SHarish Zunjarrao ISCSIOPTS_DISCOVERY_LOGOUT_EN, pval); 1684f8e93412SHarish Zunjarrao 1685f8e93412SHarish Zunjarrao len = sprintf(buf, "%s\n", pval); 1686f8e93412SHarish Zunjarrao break; 1687f8e93412SHarish Zunjarrao case ISCSI_IFACE_PARAM_STRICT_LOGIN_COMP_EN: 1688f8e93412SHarish Zunjarrao OP_STATE(ha->ip_config.iscsi_options, 1689f8e93412SHarish Zunjarrao ISCSIOPTS_STRICT_LOGIN_COMP_EN, pval); 1690f8e93412SHarish Zunjarrao 1691f8e93412SHarish Zunjarrao len = sprintf(buf, "%s\n", pval); 1692f8e93412SHarish Zunjarrao break; 1693f8e93412SHarish Zunjarrao case ISCSI_IFACE_PARAM_INITIATOR_NAME: 1694f8e93412SHarish Zunjarrao len = sprintf(buf, "%s\n", ha->ip_config.iscsi_name); 1695f8e93412SHarish Zunjarrao break; 1696f8e93412SHarish Zunjarrao default: 1697f8e93412SHarish Zunjarrao len = -ENOSYS; 1698f8e93412SHarish Zunjarrao } 1699f8e93412SHarish Zunjarrao } 1700ed1086e0SVikas Chaudhary 1701ed1086e0SVikas Chaudhary return len; 1702ed1086e0SVikas Chaudhary } 1703ed1086e0SVikas Chaudhary 1704b3a271a9SManish Rangankar static struct iscsi_endpoint * 1705b3a271a9SManish Rangankar qla4xxx_ep_connect(struct Scsi_Host *shost, struct sockaddr *dst_addr, 1706b3a271a9SManish Rangankar int non_blocking) 1707b3a271a9SManish Rangankar { 1708b3a271a9SManish Rangankar int ret; 1709b3a271a9SManish Rangankar struct iscsi_endpoint *ep; 1710b3a271a9SManish Rangankar struct qla_endpoint *qla_ep; 1711b3a271a9SManish Rangankar struct scsi_qla_host *ha; 1712b3a271a9SManish Rangankar struct sockaddr_in *addr; 1713b3a271a9SManish Rangankar struct sockaddr_in6 *addr6; 1714b3a271a9SManish Rangankar 1715b3a271a9SManish Rangankar if (!shost) { 1716b3a271a9SManish Rangankar ret = -ENXIO; 1717c343c5e0SVikas Chaudhary pr_err("%s: shost is NULL\n", __func__); 1718b3a271a9SManish Rangankar return ERR_PTR(ret); 1719b3a271a9SManish Rangankar } 1720b3a271a9SManish Rangankar 1721b3a271a9SManish Rangankar ha = iscsi_host_priv(shost); 1722b3a271a9SManish Rangankar ep = iscsi_create_endpoint(sizeof(struct qla_endpoint)); 1723b3a271a9SManish Rangankar if (!ep) { 1724b3a271a9SManish Rangankar ret = -ENOMEM; 1725b3a271a9SManish Rangankar return ERR_PTR(ret); 1726b3a271a9SManish Rangankar } 1727b3a271a9SManish Rangankar 1728b3a271a9SManish Rangankar qla_ep = ep->dd_data; 1729b3a271a9SManish Rangankar memset(qla_ep, 0, sizeof(struct qla_endpoint)); 1730b3a271a9SManish Rangankar if (dst_addr->sa_family == AF_INET) { 1731b3a271a9SManish Rangankar memcpy(&qla_ep->dst_addr, dst_addr, sizeof(struct sockaddr_in)); 1732b3a271a9SManish Rangankar addr = (struct sockaddr_in *)&qla_ep->dst_addr; 1733b3a271a9SManish Rangankar DEBUG2(ql4_printk(KERN_INFO, ha, "%s: %pI4\n", __func__, 1734b3a271a9SManish Rangankar (char *)&addr->sin_addr)); 1735b3a271a9SManish Rangankar } else if (dst_addr->sa_family == AF_INET6) { 1736b3a271a9SManish Rangankar memcpy(&qla_ep->dst_addr, dst_addr, 1737b3a271a9SManish Rangankar sizeof(struct sockaddr_in6)); 1738b3a271a9SManish Rangankar addr6 = (struct sockaddr_in6 *)&qla_ep->dst_addr; 1739b3a271a9SManish Rangankar DEBUG2(ql4_printk(KERN_INFO, ha, "%s: %pI6\n", __func__, 1740b3a271a9SManish Rangankar (char *)&addr6->sin6_addr)); 1741c343c5e0SVikas Chaudhary } else { 1742c343c5e0SVikas Chaudhary ql4_printk(KERN_WARNING, ha, "%s: Invalid endpoint\n", 1743c343c5e0SVikas Chaudhary __func__); 1744b3a271a9SManish Rangankar } 1745b3a271a9SManish Rangankar 1746b3a271a9SManish Rangankar qla_ep->host = shost; 1747b3a271a9SManish Rangankar 1748b3a271a9SManish Rangankar return ep; 1749b3a271a9SManish Rangankar } 1750b3a271a9SManish Rangankar 1751b3a271a9SManish Rangankar static int qla4xxx_ep_poll(struct iscsi_endpoint *ep, int timeout_ms) 1752b3a271a9SManish Rangankar { 1753b3a271a9SManish Rangankar struct qla_endpoint *qla_ep; 1754b3a271a9SManish Rangankar struct scsi_qla_host *ha; 1755b3a271a9SManish Rangankar int ret = 0; 1756b3a271a9SManish Rangankar 1757b3a271a9SManish Rangankar qla_ep = ep->dd_data; 1758b3a271a9SManish Rangankar ha = to_qla_host(qla_ep->host); 1759c343c5e0SVikas Chaudhary DEBUG2(pr_info_ratelimited("%s: host: %ld\n", __func__, ha->host_no)); 1760b3a271a9SManish Rangankar 176113483730SMike Christie if (adapter_up(ha) && !test_bit(AF_BUILD_DDB_LIST, &ha->flags)) 1762b3a271a9SManish Rangankar ret = 1; 1763b3a271a9SManish Rangankar 1764b3a271a9SManish Rangankar return ret; 1765b3a271a9SManish Rangankar } 1766b3a271a9SManish Rangankar 1767b3a271a9SManish Rangankar static void qla4xxx_ep_disconnect(struct iscsi_endpoint *ep) 1768b3a271a9SManish Rangankar { 1769c343c5e0SVikas Chaudhary struct qla_endpoint *qla_ep; 1770c343c5e0SVikas Chaudhary struct scsi_qla_host *ha; 1771c343c5e0SVikas Chaudhary 1772c343c5e0SVikas Chaudhary qla_ep = ep->dd_data; 1773c343c5e0SVikas Chaudhary ha = to_qla_host(qla_ep->host); 1774c343c5e0SVikas Chaudhary DEBUG2(ql4_printk(KERN_INFO, ha, "%s: host: %ld\n", __func__, 1775c343c5e0SVikas Chaudhary ha->host_no)); 1776b3a271a9SManish Rangankar iscsi_destroy_endpoint(ep); 1777b3a271a9SManish Rangankar } 1778b3a271a9SManish Rangankar 1779b3a271a9SManish Rangankar static int qla4xxx_get_ep_param(struct iscsi_endpoint *ep, 1780b3a271a9SManish Rangankar enum iscsi_param param, 1781b3a271a9SManish Rangankar char *buf) 1782b3a271a9SManish Rangankar { 1783b3a271a9SManish Rangankar struct qla_endpoint *qla_ep = ep->dd_data; 1784b3a271a9SManish Rangankar struct sockaddr *dst_addr; 1785c343c5e0SVikas Chaudhary struct scsi_qla_host *ha; 1786b3a271a9SManish Rangankar 178773597bddSAdheer Chandravanshi if (!qla_ep) 178873597bddSAdheer Chandravanshi return -ENOTCONN; 178973597bddSAdheer Chandravanshi 1790c343c5e0SVikas Chaudhary ha = to_qla_host(qla_ep->host); 1791c343c5e0SVikas Chaudhary DEBUG2(ql4_printk(KERN_INFO, ha, "%s: host: %ld\n", __func__, 1792c343c5e0SVikas Chaudhary ha->host_no)); 1793b3a271a9SManish Rangankar 1794b3a271a9SManish Rangankar switch (param) { 1795b3a271a9SManish Rangankar case ISCSI_PARAM_CONN_PORT: 1796b3a271a9SManish Rangankar case ISCSI_PARAM_CONN_ADDRESS: 1797b3a271a9SManish Rangankar dst_addr = (struct sockaddr *)&qla_ep->dst_addr; 1798b3a271a9SManish Rangankar if (!dst_addr) 1799b3a271a9SManish Rangankar return -ENOTCONN; 1800b3a271a9SManish Rangankar 1801b3a271a9SManish Rangankar return iscsi_conn_get_addr_param((struct sockaddr_storage *) 1802b3a271a9SManish Rangankar &qla_ep->dst_addr, param, buf); 1803b3a271a9SManish Rangankar default: 1804b3a271a9SManish Rangankar return -ENOSYS; 1805b3a271a9SManish Rangankar } 1806b3a271a9SManish Rangankar } 1807b3a271a9SManish Rangankar 1808b3a271a9SManish Rangankar static void qla4xxx_conn_get_stats(struct iscsi_cls_conn *cls_conn, 1809b3a271a9SManish Rangankar struct iscsi_stats *stats) 1810b3a271a9SManish Rangankar { 1811b3a271a9SManish Rangankar struct iscsi_session *sess; 1812b3a271a9SManish Rangankar struct iscsi_cls_session *cls_sess; 1813b3a271a9SManish Rangankar struct ddb_entry *ddb_entry; 1814b3a271a9SManish Rangankar struct scsi_qla_host *ha; 1815b3a271a9SManish Rangankar struct ql_iscsi_stats *ql_iscsi_stats; 1816b3a271a9SManish Rangankar int stats_size; 1817b3a271a9SManish Rangankar int ret; 1818b3a271a9SManish Rangankar dma_addr_t iscsi_stats_dma; 1819b3a271a9SManish Rangankar 1820b3a271a9SManish Rangankar cls_sess = iscsi_conn_to_session(cls_conn); 1821b3a271a9SManish Rangankar sess = cls_sess->dd_data; 1822b3a271a9SManish Rangankar ddb_entry = sess->dd_data; 1823b3a271a9SManish Rangankar ha = ddb_entry->ha; 1824b3a271a9SManish Rangankar 1825c343c5e0SVikas Chaudhary DEBUG2(ql4_printk(KERN_INFO, ha, "%s: host: %ld\n", __func__, 1826c343c5e0SVikas Chaudhary ha->host_no)); 1827b3a271a9SManish Rangankar stats_size = PAGE_ALIGN(sizeof(struct ql_iscsi_stats)); 1828b3a271a9SManish Rangankar /* Allocate memory */ 1829b3a271a9SManish Rangankar ql_iscsi_stats = dma_alloc_coherent(&ha->pdev->dev, stats_size, 1830b3a271a9SManish Rangankar &iscsi_stats_dma, GFP_KERNEL); 1831b3a271a9SManish Rangankar if (!ql_iscsi_stats) { 1832b3a271a9SManish Rangankar ql4_printk(KERN_ERR, ha, 1833b3a271a9SManish Rangankar "Unable to allocate memory for iscsi stats\n"); 1834b3a271a9SManish Rangankar goto exit_get_stats; 1835b3a271a9SManish Rangankar } 1836b3a271a9SManish Rangankar 1837b3a271a9SManish Rangankar ret = qla4xxx_get_mgmt_data(ha, ddb_entry->fw_ddb_index, stats_size, 1838b3a271a9SManish Rangankar iscsi_stats_dma); 1839b3a271a9SManish Rangankar if (ret != QLA_SUCCESS) { 1840b3a271a9SManish Rangankar ql4_printk(KERN_ERR, ha, 184159e13d48SMasanari Iida "Unable to retrieve iscsi stats\n"); 1842b3a271a9SManish Rangankar goto free_stats; 1843b3a271a9SManish Rangankar } 1844b3a271a9SManish Rangankar 1845b3a271a9SManish Rangankar /* octets */ 1846b3a271a9SManish Rangankar stats->txdata_octets = le64_to_cpu(ql_iscsi_stats->tx_data_octets); 1847b3a271a9SManish Rangankar stats->rxdata_octets = le64_to_cpu(ql_iscsi_stats->rx_data_octets); 1848b3a271a9SManish Rangankar /* xmit pdus */ 1849b3a271a9SManish Rangankar stats->noptx_pdus = le32_to_cpu(ql_iscsi_stats->tx_nopout_pdus); 1850b3a271a9SManish Rangankar stats->scsicmd_pdus = le32_to_cpu(ql_iscsi_stats->tx_scsi_cmd_pdus); 1851b3a271a9SManish Rangankar stats->tmfcmd_pdus = le32_to_cpu(ql_iscsi_stats->tx_tmf_cmd_pdus); 1852b3a271a9SManish Rangankar stats->login_pdus = le32_to_cpu(ql_iscsi_stats->tx_login_cmd_pdus); 1853b3a271a9SManish Rangankar stats->text_pdus = le32_to_cpu(ql_iscsi_stats->tx_text_cmd_pdus); 1854b3a271a9SManish Rangankar stats->dataout_pdus = le32_to_cpu(ql_iscsi_stats->tx_scsi_write_pdus); 1855b3a271a9SManish Rangankar stats->logout_pdus = le32_to_cpu(ql_iscsi_stats->tx_logout_cmd_pdus); 1856b3a271a9SManish Rangankar stats->snack_pdus = le32_to_cpu(ql_iscsi_stats->tx_snack_req_pdus); 1857b3a271a9SManish Rangankar /* recv pdus */ 1858b3a271a9SManish Rangankar stats->noprx_pdus = le32_to_cpu(ql_iscsi_stats->rx_nopin_pdus); 1859b3a271a9SManish Rangankar stats->scsirsp_pdus = le32_to_cpu(ql_iscsi_stats->rx_scsi_resp_pdus); 1860b3a271a9SManish Rangankar stats->tmfrsp_pdus = le32_to_cpu(ql_iscsi_stats->rx_tmf_resp_pdus); 1861b3a271a9SManish Rangankar stats->textrsp_pdus = le32_to_cpu(ql_iscsi_stats->rx_text_resp_pdus); 1862b3a271a9SManish Rangankar stats->datain_pdus = le32_to_cpu(ql_iscsi_stats->rx_scsi_read_pdus); 1863b3a271a9SManish Rangankar stats->logoutrsp_pdus = 1864b3a271a9SManish Rangankar le32_to_cpu(ql_iscsi_stats->rx_logout_resp_pdus); 1865b3a271a9SManish Rangankar stats->r2t_pdus = le32_to_cpu(ql_iscsi_stats->rx_r2t_pdus); 1866b3a271a9SManish Rangankar stats->async_pdus = le32_to_cpu(ql_iscsi_stats->rx_async_pdus); 1867b3a271a9SManish Rangankar stats->rjt_pdus = le32_to_cpu(ql_iscsi_stats->rx_reject_pdus); 1868b3a271a9SManish Rangankar 1869b3a271a9SManish Rangankar free_stats: 1870b3a271a9SManish Rangankar dma_free_coherent(&ha->pdev->dev, stats_size, ql_iscsi_stats, 1871b3a271a9SManish Rangankar iscsi_stats_dma); 1872b3a271a9SManish Rangankar exit_get_stats: 1873b3a271a9SManish Rangankar return; 1874b3a271a9SManish Rangankar } 1875b3a271a9SManish Rangankar 18765c656af7SMike Christie static enum blk_eh_timer_return qla4xxx_eh_cmd_timed_out(struct scsi_cmnd *sc) 18775c656af7SMike Christie { 18785c656af7SMike Christie struct iscsi_cls_session *session; 1879b3a271a9SManish Rangankar unsigned long flags; 18806600593cSChristoph Hellwig enum blk_eh_timer_return ret = BLK_EH_DONE; 18815c656af7SMike Christie 18825c656af7SMike Christie session = starget_to_session(scsi_target(sc->device)); 18835c656af7SMike Christie 1884b3a271a9SManish Rangankar spin_lock_irqsave(&session->lock, flags); 1885b3a271a9SManish Rangankar if (session->state == ISCSI_SESSION_FAILED) 1886b3a271a9SManish Rangankar ret = BLK_EH_RESET_TIMER; 1887b3a271a9SManish Rangankar spin_unlock_irqrestore(&session->lock, flags); 18885c656af7SMike Christie 1889b3a271a9SManish Rangankar return ret; 1890568d303bSMike Christie } 1891afaf5a2dSDavid Somayajulu 18923254dbe9SVikas Chaudhary static void qla4xxx_set_port_speed(struct Scsi_Host *shost) 18933254dbe9SVikas Chaudhary { 18943254dbe9SVikas Chaudhary struct scsi_qla_host *ha = to_qla_host(shost); 1895e16d166eSVikas Chaudhary struct iscsi_cls_host *ihost = shost->shost_data; 18963254dbe9SVikas Chaudhary uint32_t speed = ISCSI_PORT_SPEED_UNKNOWN; 18973254dbe9SVikas Chaudhary 18983254dbe9SVikas Chaudhary qla4xxx_get_firmware_state(ha); 18993254dbe9SVikas Chaudhary 19003254dbe9SVikas Chaudhary switch (ha->addl_fw_state & 0x0F00) { 19013254dbe9SVikas Chaudhary case FW_ADDSTATE_LINK_SPEED_10MBPS: 19023254dbe9SVikas Chaudhary speed = ISCSI_PORT_SPEED_10MBPS; 19033254dbe9SVikas Chaudhary break; 19043254dbe9SVikas Chaudhary case FW_ADDSTATE_LINK_SPEED_100MBPS: 19053254dbe9SVikas Chaudhary speed = ISCSI_PORT_SPEED_100MBPS; 19063254dbe9SVikas Chaudhary break; 19073254dbe9SVikas Chaudhary case FW_ADDSTATE_LINK_SPEED_1GBPS: 19083254dbe9SVikas Chaudhary speed = ISCSI_PORT_SPEED_1GBPS; 19093254dbe9SVikas Chaudhary break; 19103254dbe9SVikas Chaudhary case FW_ADDSTATE_LINK_SPEED_10GBPS: 19113254dbe9SVikas Chaudhary speed = ISCSI_PORT_SPEED_10GBPS; 19123254dbe9SVikas Chaudhary break; 19133254dbe9SVikas Chaudhary } 19143254dbe9SVikas Chaudhary ihost->port_speed = speed; 19153254dbe9SVikas Chaudhary } 19163254dbe9SVikas Chaudhary 19173254dbe9SVikas Chaudhary static void qla4xxx_set_port_state(struct Scsi_Host *shost) 19183254dbe9SVikas Chaudhary { 19193254dbe9SVikas Chaudhary struct scsi_qla_host *ha = to_qla_host(shost); 1920e16d166eSVikas Chaudhary struct iscsi_cls_host *ihost = shost->shost_data; 19213254dbe9SVikas Chaudhary uint32_t state = ISCSI_PORT_STATE_DOWN; 19223254dbe9SVikas Chaudhary 19233254dbe9SVikas Chaudhary if (test_bit(AF_LINK_UP, &ha->flags)) 19243254dbe9SVikas Chaudhary state = ISCSI_PORT_STATE_UP; 19253254dbe9SVikas Chaudhary 19263254dbe9SVikas Chaudhary ihost->port_state = state; 19273254dbe9SVikas Chaudhary } 19283254dbe9SVikas Chaudhary 1929aa1e93a2SMike Christie static int qla4xxx_host_get_param(struct Scsi_Host *shost, 1930aa1e93a2SMike Christie enum iscsi_host_param param, char *buf) 1931aa1e93a2SMike Christie { 1932aa1e93a2SMike Christie struct scsi_qla_host *ha = to_qla_host(shost); 1933aa1e93a2SMike Christie int len; 1934aa1e93a2SMike Christie 1935aa1e93a2SMike Christie switch (param) { 1936aa1e93a2SMike Christie case ISCSI_HOST_PARAM_HWADDRESS: 19377ffc49a6SMichael Chan len = sysfs_format_mac(buf, ha->my_mac, MAC_ADDR_LEN); 1938aa1e93a2SMike Christie break; 193922236961SMike Christie case ISCSI_HOST_PARAM_IPADDRESS: 19402bab08fcSVikas Chaudhary len = sprintf(buf, "%pI4\n", &ha->ip_config.ip_address); 194122236961SMike Christie break; 19428ad5781aSMike Christie case ISCSI_HOST_PARAM_INITIATOR_NAME: 194322236961SMike Christie len = sprintf(buf, "%s\n", ha->name_string); 19448ad5781aSMike Christie break; 19453254dbe9SVikas Chaudhary case ISCSI_HOST_PARAM_PORT_STATE: 19463254dbe9SVikas Chaudhary qla4xxx_set_port_state(shost); 19473254dbe9SVikas Chaudhary len = sprintf(buf, "%s\n", iscsi_get_port_state_name(shost)); 19483254dbe9SVikas Chaudhary break; 19493254dbe9SVikas Chaudhary case ISCSI_HOST_PARAM_PORT_SPEED: 19503254dbe9SVikas Chaudhary qla4xxx_set_port_speed(shost); 19513254dbe9SVikas Chaudhary len = sprintf(buf, "%s\n", iscsi_get_port_speed_name(shost)); 19523254dbe9SVikas Chaudhary break; 1953aa1e93a2SMike Christie default: 1954aa1e93a2SMike Christie return -ENOSYS; 1955aa1e93a2SMike Christie } 1956aa1e93a2SMike Christie 1957aa1e93a2SMike Christie return len; 1958aa1e93a2SMike Christie } 1959aa1e93a2SMike Christie 1960ed1086e0SVikas Chaudhary static void qla4xxx_create_ipv4_iface(struct scsi_qla_host *ha) 1961ed1086e0SVikas Chaudhary { 1962ed1086e0SVikas Chaudhary if (ha->iface_ipv4) 1963ed1086e0SVikas Chaudhary return; 1964ed1086e0SVikas Chaudhary 1965ed1086e0SVikas Chaudhary /* IPv4 */ 1966ed1086e0SVikas Chaudhary ha->iface_ipv4 = iscsi_create_iface(ha->host, 1967ed1086e0SVikas Chaudhary &qla4xxx_iscsi_transport, 1968ed1086e0SVikas Chaudhary ISCSI_IFACE_TYPE_IPV4, 0, 0); 1969ed1086e0SVikas Chaudhary if (!ha->iface_ipv4) 1970ed1086e0SVikas Chaudhary ql4_printk(KERN_ERR, ha, "Could not create IPv4 iSCSI " 1971ed1086e0SVikas Chaudhary "iface0.\n"); 1972ed1086e0SVikas Chaudhary } 1973ed1086e0SVikas Chaudhary 1974ed1086e0SVikas Chaudhary static void qla4xxx_create_ipv6_iface(struct scsi_qla_host *ha) 1975ed1086e0SVikas Chaudhary { 1976ed1086e0SVikas Chaudhary if (!ha->iface_ipv6_0) 1977ed1086e0SVikas Chaudhary /* IPv6 iface-0 */ 1978ed1086e0SVikas Chaudhary ha->iface_ipv6_0 = iscsi_create_iface(ha->host, 1979ed1086e0SVikas Chaudhary &qla4xxx_iscsi_transport, 1980ed1086e0SVikas Chaudhary ISCSI_IFACE_TYPE_IPV6, 0, 1981ed1086e0SVikas Chaudhary 0); 1982ed1086e0SVikas Chaudhary if (!ha->iface_ipv6_0) 1983ed1086e0SVikas Chaudhary ql4_printk(KERN_ERR, ha, "Could not create IPv6 iSCSI " 1984ed1086e0SVikas Chaudhary "iface0.\n"); 1985ed1086e0SVikas Chaudhary 1986ed1086e0SVikas Chaudhary if (!ha->iface_ipv6_1) 1987ed1086e0SVikas Chaudhary /* IPv6 iface-1 */ 1988ed1086e0SVikas Chaudhary ha->iface_ipv6_1 = iscsi_create_iface(ha->host, 1989ed1086e0SVikas Chaudhary &qla4xxx_iscsi_transport, 1990ed1086e0SVikas Chaudhary ISCSI_IFACE_TYPE_IPV6, 1, 1991ed1086e0SVikas Chaudhary 0); 1992ed1086e0SVikas Chaudhary if (!ha->iface_ipv6_1) 1993ed1086e0SVikas Chaudhary ql4_printk(KERN_ERR, ha, "Could not create IPv6 iSCSI " 1994ed1086e0SVikas Chaudhary "iface1.\n"); 1995ed1086e0SVikas Chaudhary } 1996ed1086e0SVikas Chaudhary 1997ed1086e0SVikas Chaudhary static void qla4xxx_create_ifaces(struct scsi_qla_host *ha) 1998ed1086e0SVikas Chaudhary { 1999ed1086e0SVikas Chaudhary if (ha->ip_config.ipv4_options & IPOPT_IPV4_PROTOCOL_ENABLE) 2000ed1086e0SVikas Chaudhary qla4xxx_create_ipv4_iface(ha); 2001ed1086e0SVikas Chaudhary 2002ed1086e0SVikas Chaudhary if (ha->ip_config.ipv6_options & IPV6_OPT_IPV6_PROTOCOL_ENABLE) 2003ed1086e0SVikas Chaudhary qla4xxx_create_ipv6_iface(ha); 2004ed1086e0SVikas Chaudhary } 2005ed1086e0SVikas Chaudhary 2006ed1086e0SVikas Chaudhary static void qla4xxx_destroy_ipv4_iface(struct scsi_qla_host *ha) 2007ed1086e0SVikas Chaudhary { 2008ed1086e0SVikas Chaudhary if (ha->iface_ipv4) { 2009ed1086e0SVikas Chaudhary iscsi_destroy_iface(ha->iface_ipv4); 2010ed1086e0SVikas Chaudhary ha->iface_ipv4 = NULL; 2011ed1086e0SVikas Chaudhary } 2012ed1086e0SVikas Chaudhary } 2013ed1086e0SVikas Chaudhary 2014ed1086e0SVikas Chaudhary static void qla4xxx_destroy_ipv6_iface(struct scsi_qla_host *ha) 2015ed1086e0SVikas Chaudhary { 2016ed1086e0SVikas Chaudhary if (ha->iface_ipv6_0) { 2017ed1086e0SVikas Chaudhary iscsi_destroy_iface(ha->iface_ipv6_0); 2018ed1086e0SVikas Chaudhary ha->iface_ipv6_0 = NULL; 2019ed1086e0SVikas Chaudhary } 2020ed1086e0SVikas Chaudhary if (ha->iface_ipv6_1) { 2021ed1086e0SVikas Chaudhary iscsi_destroy_iface(ha->iface_ipv6_1); 2022ed1086e0SVikas Chaudhary ha->iface_ipv6_1 = NULL; 2023ed1086e0SVikas Chaudhary } 2024ed1086e0SVikas Chaudhary } 2025ed1086e0SVikas Chaudhary 2026ed1086e0SVikas Chaudhary static void qla4xxx_destroy_ifaces(struct scsi_qla_host *ha) 2027ed1086e0SVikas Chaudhary { 2028ed1086e0SVikas Chaudhary qla4xxx_destroy_ipv4_iface(ha); 2029ed1086e0SVikas Chaudhary qla4xxx_destroy_ipv6_iface(ha); 2030ed1086e0SVikas Chaudhary } 2031ed1086e0SVikas Chaudhary 2032d00efe3fSMike Christie static void qla4xxx_set_ipv6(struct scsi_qla_host *ha, 2033d00efe3fSMike Christie struct iscsi_iface_param_info *iface_param, 2034d00efe3fSMike Christie struct addr_ctrl_blk *init_fw_cb) 2035d00efe3fSMike Christie { 2036d00efe3fSMike Christie /* 2037d00efe3fSMike Christie * iface_num 0 is valid for IPv6 Addr, linklocal, router, autocfg. 2038d00efe3fSMike Christie * iface_num 1 is valid only for IPv6 Addr. 2039d00efe3fSMike Christie */ 2040d00efe3fSMike Christie switch (iface_param->param) { 2041d00efe3fSMike Christie case ISCSI_NET_PARAM_IPV6_ADDR: 2042d00efe3fSMike Christie if (iface_param->iface_num & 0x1) 2043d00efe3fSMike Christie /* IPv6 Addr 1 */ 2044d00efe3fSMike Christie memcpy(init_fw_cb->ipv6_addr1, iface_param->value, 2045d00efe3fSMike Christie sizeof(init_fw_cb->ipv6_addr1)); 2046d00efe3fSMike Christie else 2047d00efe3fSMike Christie /* IPv6 Addr 0 */ 2048d00efe3fSMike Christie memcpy(init_fw_cb->ipv6_addr0, iface_param->value, 2049d00efe3fSMike Christie sizeof(init_fw_cb->ipv6_addr0)); 2050d00efe3fSMike Christie break; 2051d00efe3fSMike Christie case ISCSI_NET_PARAM_IPV6_LINKLOCAL: 2052d00efe3fSMike Christie if (iface_param->iface_num & 0x1) 2053d00efe3fSMike Christie break; 2054d00efe3fSMike Christie memcpy(init_fw_cb->ipv6_if_id, &iface_param->value[8], 2055d00efe3fSMike Christie sizeof(init_fw_cb->ipv6_if_id)); 2056d00efe3fSMike Christie break; 2057d00efe3fSMike Christie case ISCSI_NET_PARAM_IPV6_ROUTER: 2058d00efe3fSMike Christie if (iface_param->iface_num & 0x1) 2059d00efe3fSMike Christie break; 2060d00efe3fSMike Christie memcpy(init_fw_cb->ipv6_dflt_rtr_addr, iface_param->value, 2061d00efe3fSMike Christie sizeof(init_fw_cb->ipv6_dflt_rtr_addr)); 2062d00efe3fSMike Christie break; 2063d00efe3fSMike Christie case ISCSI_NET_PARAM_IPV6_ADDR_AUTOCFG: 2064d00efe3fSMike Christie /* Autocfg applies to even interface */ 2065d00efe3fSMike Christie if (iface_param->iface_num & 0x1) 2066d00efe3fSMike Christie break; 2067d00efe3fSMike Christie 2068d00efe3fSMike Christie if (iface_param->value[0] == ISCSI_IPV6_AUTOCFG_DISABLE) 2069d00efe3fSMike Christie init_fw_cb->ipv6_addtl_opts &= 2070d00efe3fSMike Christie cpu_to_le16( 2071d00efe3fSMike Christie ~IPV6_ADDOPT_NEIGHBOR_DISCOVERY_ADDR_ENABLE); 2072d00efe3fSMike Christie else if (iface_param->value[0] == ISCSI_IPV6_AUTOCFG_ND_ENABLE) 2073d00efe3fSMike Christie init_fw_cb->ipv6_addtl_opts |= 2074d00efe3fSMike Christie cpu_to_le16( 2075d00efe3fSMike Christie IPV6_ADDOPT_NEIGHBOR_DISCOVERY_ADDR_ENABLE); 2076d00efe3fSMike Christie else 2077f8e93412SHarish Zunjarrao ql4_printk(KERN_ERR, ha, 2078f8e93412SHarish Zunjarrao "Invalid autocfg setting for IPv6 addr\n"); 2079d00efe3fSMike Christie break; 2080d00efe3fSMike Christie case ISCSI_NET_PARAM_IPV6_LINKLOCAL_AUTOCFG: 2081d00efe3fSMike Christie /* Autocfg applies to even interface */ 2082d00efe3fSMike Christie if (iface_param->iface_num & 0x1) 2083d00efe3fSMike Christie break; 2084d00efe3fSMike Christie 2085d00efe3fSMike Christie if (iface_param->value[0] == 2086d00efe3fSMike Christie ISCSI_IPV6_LINKLOCAL_AUTOCFG_ENABLE) 2087d00efe3fSMike Christie init_fw_cb->ipv6_addtl_opts |= cpu_to_le16( 2088d00efe3fSMike Christie IPV6_ADDOPT_AUTOCONFIG_LINK_LOCAL_ADDR); 2089d00efe3fSMike Christie else if (iface_param->value[0] == 2090d00efe3fSMike Christie ISCSI_IPV6_LINKLOCAL_AUTOCFG_DISABLE) 2091d00efe3fSMike Christie init_fw_cb->ipv6_addtl_opts &= cpu_to_le16( 2092d00efe3fSMike Christie ~IPV6_ADDOPT_AUTOCONFIG_LINK_LOCAL_ADDR); 2093d00efe3fSMike Christie else 2094f8e93412SHarish Zunjarrao ql4_printk(KERN_ERR, ha, 2095f8e93412SHarish Zunjarrao "Invalid autocfg setting for IPv6 linklocal addr\n"); 2096d00efe3fSMike Christie break; 2097d00efe3fSMike Christie case ISCSI_NET_PARAM_IPV6_ROUTER_AUTOCFG: 2098d00efe3fSMike Christie /* Autocfg applies to even interface */ 2099d00efe3fSMike Christie if (iface_param->iface_num & 0x1) 2100d00efe3fSMike Christie break; 2101d00efe3fSMike Christie 2102d00efe3fSMike Christie if (iface_param->value[0] == ISCSI_IPV6_ROUTER_AUTOCFG_ENABLE) 2103d00efe3fSMike Christie memset(init_fw_cb->ipv6_dflt_rtr_addr, 0, 2104d00efe3fSMike Christie sizeof(init_fw_cb->ipv6_dflt_rtr_addr)); 2105d00efe3fSMike Christie break; 2106d00efe3fSMike Christie case ISCSI_NET_PARAM_IFACE_ENABLE: 2107ed1086e0SVikas Chaudhary if (iface_param->value[0] == ISCSI_IFACE_ENABLE) { 2108d00efe3fSMike Christie init_fw_cb->ipv6_opts |= 2109d00efe3fSMike Christie cpu_to_le16(IPV6_OPT_IPV6_PROTOCOL_ENABLE); 2110ed1086e0SVikas Chaudhary qla4xxx_create_ipv6_iface(ha); 2111ed1086e0SVikas Chaudhary } else { 2112d00efe3fSMike Christie init_fw_cb->ipv6_opts &= 2113d00efe3fSMike Christie cpu_to_le16(~IPV6_OPT_IPV6_PROTOCOL_ENABLE & 2114d00efe3fSMike Christie 0xFFFF); 2115ed1086e0SVikas Chaudhary qla4xxx_destroy_ipv6_iface(ha); 2116ed1086e0SVikas Chaudhary } 2117d00efe3fSMike Christie break; 21182d63673bSMike Christie case ISCSI_NET_PARAM_VLAN_TAG: 2119d00efe3fSMike Christie if (iface_param->len != sizeof(init_fw_cb->ipv6_vlan_tag)) 2120d00efe3fSMike Christie break; 21216ac73e8cSVikas Chaudhary init_fw_cb->ipv6_vlan_tag = 21226ac73e8cSVikas Chaudhary cpu_to_be16(*(uint16_t *)iface_param->value); 21236ac73e8cSVikas Chaudhary break; 21246ac73e8cSVikas Chaudhary case ISCSI_NET_PARAM_VLAN_ENABLED: 21256ac73e8cSVikas Chaudhary if (iface_param->value[0] == ISCSI_VLAN_ENABLE) 21266ac73e8cSVikas Chaudhary init_fw_cb->ipv6_opts |= 21276ac73e8cSVikas Chaudhary cpu_to_le16(IPV6_OPT_VLAN_TAGGING_ENABLE); 21286ac73e8cSVikas Chaudhary else 21296ac73e8cSVikas Chaudhary init_fw_cb->ipv6_opts &= 21306ac73e8cSVikas Chaudhary cpu_to_le16(~IPV6_OPT_VLAN_TAGGING_ENABLE); 2131d00efe3fSMike Christie break; 2132943c157bSVikas Chaudhary case ISCSI_NET_PARAM_MTU: 2133943c157bSVikas Chaudhary init_fw_cb->eth_mtu_size = 2134943c157bSVikas Chaudhary cpu_to_le16(*(uint16_t *)iface_param->value); 2135943c157bSVikas Chaudhary break; 21362ada7fc5SVikas Chaudhary case ISCSI_NET_PARAM_PORT: 21372ada7fc5SVikas Chaudhary /* Autocfg applies to even interface */ 21382ada7fc5SVikas Chaudhary if (iface_param->iface_num & 0x1) 21392ada7fc5SVikas Chaudhary break; 21402ada7fc5SVikas Chaudhary 21412ada7fc5SVikas Chaudhary init_fw_cb->ipv6_port = 21422ada7fc5SVikas Chaudhary cpu_to_le16(*(uint16_t *)iface_param->value); 21432ada7fc5SVikas Chaudhary break; 2144f8e93412SHarish Zunjarrao case ISCSI_NET_PARAM_DELAYED_ACK_EN: 2145f8e93412SHarish Zunjarrao if (iface_param->iface_num & 0x1) 2146f8e93412SHarish Zunjarrao break; 2147f8e93412SHarish Zunjarrao if (iface_param->value[0] == ISCSI_NET_PARAM_DISABLE) 2148f8e93412SHarish Zunjarrao init_fw_cb->ipv6_tcp_opts |= 2149f8e93412SHarish Zunjarrao cpu_to_le16(IPV6_TCPOPT_DELAYED_ACK_DISABLE); 2150f8e93412SHarish Zunjarrao else 2151f8e93412SHarish Zunjarrao init_fw_cb->ipv6_tcp_opts &= 21528f10872aSVikas Chaudhary cpu_to_le16(~IPV6_TCPOPT_DELAYED_ACK_DISABLE & 21538f10872aSVikas Chaudhary 0xFFFF); 2154f8e93412SHarish Zunjarrao break; 2155f8e93412SHarish Zunjarrao case ISCSI_NET_PARAM_TCP_NAGLE_DISABLE: 2156f8e93412SHarish Zunjarrao if (iface_param->iface_num & 0x1) 2157f8e93412SHarish Zunjarrao break; 2158f8e93412SHarish Zunjarrao if (iface_param->value[0] == ISCSI_NET_PARAM_DISABLE) 2159f8e93412SHarish Zunjarrao init_fw_cb->ipv6_tcp_opts |= 2160f8e93412SHarish Zunjarrao cpu_to_le16(IPV6_TCPOPT_NAGLE_ALGO_DISABLE); 2161f8e93412SHarish Zunjarrao else 2162f8e93412SHarish Zunjarrao init_fw_cb->ipv6_tcp_opts &= 2163f8e93412SHarish Zunjarrao cpu_to_le16(~IPV6_TCPOPT_NAGLE_ALGO_DISABLE); 2164f8e93412SHarish Zunjarrao break; 2165f8e93412SHarish Zunjarrao case ISCSI_NET_PARAM_TCP_WSF_DISABLE: 2166f8e93412SHarish Zunjarrao if (iface_param->iface_num & 0x1) 2167f8e93412SHarish Zunjarrao break; 2168f8e93412SHarish Zunjarrao if (iface_param->value[0] == ISCSI_NET_PARAM_DISABLE) 2169f8e93412SHarish Zunjarrao init_fw_cb->ipv6_tcp_opts |= 2170f8e93412SHarish Zunjarrao cpu_to_le16(IPV6_TCPOPT_WINDOW_SCALE_DISABLE); 2171f8e93412SHarish Zunjarrao else 2172f8e93412SHarish Zunjarrao init_fw_cb->ipv6_tcp_opts &= 2173f8e93412SHarish Zunjarrao cpu_to_le16(~IPV6_TCPOPT_WINDOW_SCALE_DISABLE); 2174f8e93412SHarish Zunjarrao break; 2175f8e93412SHarish Zunjarrao case ISCSI_NET_PARAM_TCP_WSF: 2176f8e93412SHarish Zunjarrao if (iface_param->iface_num & 0x1) 2177f8e93412SHarish Zunjarrao break; 2178f8e93412SHarish Zunjarrao init_fw_cb->ipv6_tcp_wsf = iface_param->value[0]; 2179f8e93412SHarish Zunjarrao break; 2180f8e93412SHarish Zunjarrao case ISCSI_NET_PARAM_TCP_TIMER_SCALE: 2181f8e93412SHarish Zunjarrao if (iface_param->iface_num & 0x1) 2182f8e93412SHarish Zunjarrao break; 2183f8e93412SHarish Zunjarrao init_fw_cb->ipv6_tcp_opts &= 2184f8e93412SHarish Zunjarrao cpu_to_le16(~IPV6_TCPOPT_TIMER_SCALE); 2185f8e93412SHarish Zunjarrao init_fw_cb->ipv6_tcp_opts |= 2186f8e93412SHarish Zunjarrao cpu_to_le16((iface_param->value[0] << 1) & 2187f8e93412SHarish Zunjarrao IPV6_TCPOPT_TIMER_SCALE); 2188f8e93412SHarish Zunjarrao break; 2189f8e93412SHarish Zunjarrao case ISCSI_NET_PARAM_TCP_TIMESTAMP_EN: 2190f8e93412SHarish Zunjarrao if (iface_param->iface_num & 0x1) 2191f8e93412SHarish Zunjarrao break; 2192f8e93412SHarish Zunjarrao if (iface_param->value[0] == ISCSI_NET_PARAM_ENABLE) 2193f8e93412SHarish Zunjarrao init_fw_cb->ipv6_tcp_opts |= 2194f8e93412SHarish Zunjarrao cpu_to_le16(IPV6_TCPOPT_TIMESTAMP_EN); 2195f8e93412SHarish Zunjarrao else 2196f8e93412SHarish Zunjarrao init_fw_cb->ipv6_tcp_opts &= 2197f8e93412SHarish Zunjarrao cpu_to_le16(~IPV6_TCPOPT_TIMESTAMP_EN); 2198f8e93412SHarish Zunjarrao break; 2199f8e93412SHarish Zunjarrao case ISCSI_NET_PARAM_IPV6_GRAT_NEIGHBOR_ADV_EN: 2200f8e93412SHarish Zunjarrao if (iface_param->iface_num & 0x1) 2201f8e93412SHarish Zunjarrao break; 2202f8e93412SHarish Zunjarrao if (iface_param->value[0] == ISCSI_NET_PARAM_ENABLE) 2203f8e93412SHarish Zunjarrao init_fw_cb->ipv6_opts |= 2204f8e93412SHarish Zunjarrao cpu_to_le16(IPV6_OPT_GRAT_NEIGHBOR_ADV_EN); 2205f8e93412SHarish Zunjarrao else 2206f8e93412SHarish Zunjarrao init_fw_cb->ipv6_opts &= 2207f8e93412SHarish Zunjarrao cpu_to_le16(~IPV6_OPT_GRAT_NEIGHBOR_ADV_EN); 2208f8e93412SHarish Zunjarrao break; 2209f8e93412SHarish Zunjarrao case ISCSI_NET_PARAM_REDIRECT_EN: 2210f8e93412SHarish Zunjarrao if (iface_param->iface_num & 0x1) 2211f8e93412SHarish Zunjarrao break; 2212f8e93412SHarish Zunjarrao if (iface_param->value[0] == ISCSI_NET_PARAM_ENABLE) 2213f8e93412SHarish Zunjarrao init_fw_cb->ipv6_opts |= 2214f8e93412SHarish Zunjarrao cpu_to_le16(IPV6_OPT_REDIRECT_EN); 2215f8e93412SHarish Zunjarrao else 2216f8e93412SHarish Zunjarrao init_fw_cb->ipv6_opts &= 2217f8e93412SHarish Zunjarrao cpu_to_le16(~IPV6_OPT_REDIRECT_EN); 2218f8e93412SHarish Zunjarrao break; 2219f8e93412SHarish Zunjarrao case ISCSI_NET_PARAM_IPV6_MLD_EN: 2220f8e93412SHarish Zunjarrao if (iface_param->iface_num & 0x1) 2221f8e93412SHarish Zunjarrao break; 2222f8e93412SHarish Zunjarrao if (iface_param->value[0] == ISCSI_NET_PARAM_ENABLE) 2223f8e93412SHarish Zunjarrao init_fw_cb->ipv6_addtl_opts |= 2224f8e93412SHarish Zunjarrao cpu_to_le16(IPV6_ADDOPT_MLD_EN); 2225f8e93412SHarish Zunjarrao else 2226f8e93412SHarish Zunjarrao init_fw_cb->ipv6_addtl_opts &= 2227f8e93412SHarish Zunjarrao cpu_to_le16(~IPV6_ADDOPT_MLD_EN); 2228f8e93412SHarish Zunjarrao break; 2229f8e93412SHarish Zunjarrao case ISCSI_NET_PARAM_IPV6_FLOW_LABEL: 2230f8e93412SHarish Zunjarrao if (iface_param->iface_num & 0x1) 2231f8e93412SHarish Zunjarrao break; 2232f8e93412SHarish Zunjarrao init_fw_cb->ipv6_flow_lbl = 2233f8e93412SHarish Zunjarrao cpu_to_le16(*(uint16_t *)iface_param->value); 2234f8e93412SHarish Zunjarrao break; 2235f8e93412SHarish Zunjarrao case ISCSI_NET_PARAM_IPV6_TRAFFIC_CLASS: 2236f8e93412SHarish Zunjarrao if (iface_param->iface_num & 0x1) 2237f8e93412SHarish Zunjarrao break; 2238f8e93412SHarish Zunjarrao init_fw_cb->ipv6_traffic_class = iface_param->value[0]; 2239f8e93412SHarish Zunjarrao break; 2240f8e93412SHarish Zunjarrao case ISCSI_NET_PARAM_IPV6_HOP_LIMIT: 2241f8e93412SHarish Zunjarrao if (iface_param->iface_num & 0x1) 2242f8e93412SHarish Zunjarrao break; 2243f8e93412SHarish Zunjarrao init_fw_cb->ipv6_hop_limit = iface_param->value[0]; 2244f8e93412SHarish Zunjarrao break; 2245f8e93412SHarish Zunjarrao case ISCSI_NET_PARAM_IPV6_ND_REACHABLE_TMO: 2246f8e93412SHarish Zunjarrao if (iface_param->iface_num & 0x1) 2247f8e93412SHarish Zunjarrao break; 2248f8e93412SHarish Zunjarrao init_fw_cb->ipv6_nd_reach_time = 2249f8e93412SHarish Zunjarrao cpu_to_le32(*(uint32_t *)iface_param->value); 2250f8e93412SHarish Zunjarrao break; 2251f8e93412SHarish Zunjarrao case ISCSI_NET_PARAM_IPV6_ND_REXMIT_TIME: 2252f8e93412SHarish Zunjarrao if (iface_param->iface_num & 0x1) 2253f8e93412SHarish Zunjarrao break; 2254f8e93412SHarish Zunjarrao init_fw_cb->ipv6_nd_rexmit_timer = 2255f8e93412SHarish Zunjarrao cpu_to_le32(*(uint32_t *)iface_param->value); 2256f8e93412SHarish Zunjarrao break; 2257f8e93412SHarish Zunjarrao case ISCSI_NET_PARAM_IPV6_ND_STALE_TMO: 2258f8e93412SHarish Zunjarrao if (iface_param->iface_num & 0x1) 2259f8e93412SHarish Zunjarrao break; 2260f8e93412SHarish Zunjarrao init_fw_cb->ipv6_nd_stale_timeout = 2261f8e93412SHarish Zunjarrao cpu_to_le32(*(uint32_t *)iface_param->value); 2262f8e93412SHarish Zunjarrao break; 2263f8e93412SHarish Zunjarrao case ISCSI_NET_PARAM_IPV6_DUP_ADDR_DETECT_CNT: 2264f8e93412SHarish Zunjarrao if (iface_param->iface_num & 0x1) 2265f8e93412SHarish Zunjarrao break; 2266f8e93412SHarish Zunjarrao init_fw_cb->ipv6_dup_addr_detect_count = iface_param->value[0]; 2267f8e93412SHarish Zunjarrao break; 2268f8e93412SHarish Zunjarrao case ISCSI_NET_PARAM_IPV6_RTR_ADV_LINK_MTU: 2269f8e93412SHarish Zunjarrao if (iface_param->iface_num & 0x1) 2270f8e93412SHarish Zunjarrao break; 2271f8e93412SHarish Zunjarrao init_fw_cb->ipv6_gw_advrt_mtu = 2272f8e93412SHarish Zunjarrao cpu_to_le32(*(uint32_t *)iface_param->value); 2273f8e93412SHarish Zunjarrao break; 2274d00efe3fSMike Christie default: 2275d00efe3fSMike Christie ql4_printk(KERN_ERR, ha, "Unknown IPv6 param = %d\n", 2276d00efe3fSMike Christie iface_param->param); 2277d00efe3fSMike Christie break; 2278d00efe3fSMike Christie } 2279d00efe3fSMike Christie } 2280d00efe3fSMike Christie 2281d00efe3fSMike Christie static void qla4xxx_set_ipv4(struct scsi_qla_host *ha, 2282d00efe3fSMike Christie struct iscsi_iface_param_info *iface_param, 2283d00efe3fSMike Christie struct addr_ctrl_blk *init_fw_cb) 2284d00efe3fSMike Christie { 2285d00efe3fSMike Christie switch (iface_param->param) { 2286d00efe3fSMike Christie case ISCSI_NET_PARAM_IPV4_ADDR: 2287d00efe3fSMike Christie memcpy(init_fw_cb->ipv4_addr, iface_param->value, 2288d00efe3fSMike Christie sizeof(init_fw_cb->ipv4_addr)); 2289d00efe3fSMike Christie break; 2290d00efe3fSMike Christie case ISCSI_NET_PARAM_IPV4_SUBNET: 2291d00efe3fSMike Christie memcpy(init_fw_cb->ipv4_subnet, iface_param->value, 2292d00efe3fSMike Christie sizeof(init_fw_cb->ipv4_subnet)); 2293d00efe3fSMike Christie break; 2294d00efe3fSMike Christie case ISCSI_NET_PARAM_IPV4_GW: 2295d00efe3fSMike Christie memcpy(init_fw_cb->ipv4_gw_addr, iface_param->value, 2296d00efe3fSMike Christie sizeof(init_fw_cb->ipv4_gw_addr)); 2297d00efe3fSMike Christie break; 2298d00efe3fSMike Christie case ISCSI_NET_PARAM_IPV4_BOOTPROTO: 2299d00efe3fSMike Christie if (iface_param->value[0] == ISCSI_BOOTPROTO_DHCP) 2300d00efe3fSMike Christie init_fw_cb->ipv4_tcp_opts |= 2301d00efe3fSMike Christie cpu_to_le16(TCPOPT_DHCP_ENABLE); 2302d00efe3fSMike Christie else if (iface_param->value[0] == ISCSI_BOOTPROTO_STATIC) 2303d00efe3fSMike Christie init_fw_cb->ipv4_tcp_opts &= 2304d00efe3fSMike Christie cpu_to_le16(~TCPOPT_DHCP_ENABLE); 2305d00efe3fSMike Christie else 2306d00efe3fSMike Christie ql4_printk(KERN_ERR, ha, "Invalid IPv4 bootproto\n"); 2307d00efe3fSMike Christie break; 2308d00efe3fSMike Christie case ISCSI_NET_PARAM_IFACE_ENABLE: 2309ed1086e0SVikas Chaudhary if (iface_param->value[0] == ISCSI_IFACE_ENABLE) { 2310d00efe3fSMike Christie init_fw_cb->ipv4_ip_opts |= 23112bab08fcSVikas Chaudhary cpu_to_le16(IPOPT_IPV4_PROTOCOL_ENABLE); 2312ed1086e0SVikas Chaudhary qla4xxx_create_ipv4_iface(ha); 2313ed1086e0SVikas Chaudhary } else { 2314d00efe3fSMike Christie init_fw_cb->ipv4_ip_opts &= 23152bab08fcSVikas Chaudhary cpu_to_le16(~IPOPT_IPV4_PROTOCOL_ENABLE & 2316d00efe3fSMike Christie 0xFFFF); 2317ed1086e0SVikas Chaudhary qla4xxx_destroy_ipv4_iface(ha); 2318ed1086e0SVikas Chaudhary } 2319d00efe3fSMike Christie break; 23202d63673bSMike Christie case ISCSI_NET_PARAM_VLAN_TAG: 2321d00efe3fSMike Christie if (iface_param->len != sizeof(init_fw_cb->ipv4_vlan_tag)) 2322d00efe3fSMike Christie break; 23236ac73e8cSVikas Chaudhary init_fw_cb->ipv4_vlan_tag = 23246ac73e8cSVikas Chaudhary cpu_to_be16(*(uint16_t *)iface_param->value); 23256ac73e8cSVikas Chaudhary break; 23266ac73e8cSVikas Chaudhary case ISCSI_NET_PARAM_VLAN_ENABLED: 23276ac73e8cSVikas Chaudhary if (iface_param->value[0] == ISCSI_VLAN_ENABLE) 23286ac73e8cSVikas Chaudhary init_fw_cb->ipv4_ip_opts |= 23296ac73e8cSVikas Chaudhary cpu_to_le16(IPOPT_VLAN_TAGGING_ENABLE); 23306ac73e8cSVikas Chaudhary else 23316ac73e8cSVikas Chaudhary init_fw_cb->ipv4_ip_opts &= 23326ac73e8cSVikas Chaudhary cpu_to_le16(~IPOPT_VLAN_TAGGING_ENABLE); 2333d00efe3fSMike Christie break; 2334943c157bSVikas Chaudhary case ISCSI_NET_PARAM_MTU: 2335943c157bSVikas Chaudhary init_fw_cb->eth_mtu_size = 2336943c157bSVikas Chaudhary cpu_to_le16(*(uint16_t *)iface_param->value); 2337943c157bSVikas Chaudhary break; 23382ada7fc5SVikas Chaudhary case ISCSI_NET_PARAM_PORT: 23392ada7fc5SVikas Chaudhary init_fw_cb->ipv4_port = 23402ada7fc5SVikas Chaudhary cpu_to_le16(*(uint16_t *)iface_param->value); 23412ada7fc5SVikas Chaudhary break; 2342f8e93412SHarish Zunjarrao case ISCSI_NET_PARAM_DELAYED_ACK_EN: 2343f8e93412SHarish Zunjarrao if (iface_param->iface_num & 0x1) 2344f8e93412SHarish Zunjarrao break; 2345f8e93412SHarish Zunjarrao if (iface_param->value[0] == ISCSI_NET_PARAM_DISABLE) 2346f8e93412SHarish Zunjarrao init_fw_cb->ipv4_tcp_opts |= 2347f8e93412SHarish Zunjarrao cpu_to_le16(TCPOPT_DELAYED_ACK_DISABLE); 2348f8e93412SHarish Zunjarrao else 2349f8e93412SHarish Zunjarrao init_fw_cb->ipv4_tcp_opts &= 23508f10872aSVikas Chaudhary cpu_to_le16(~TCPOPT_DELAYED_ACK_DISABLE & 23518f10872aSVikas Chaudhary 0xFFFF); 2352f8e93412SHarish Zunjarrao break; 2353f8e93412SHarish Zunjarrao case ISCSI_NET_PARAM_TCP_NAGLE_DISABLE: 2354f8e93412SHarish Zunjarrao if (iface_param->iface_num & 0x1) 2355f8e93412SHarish Zunjarrao break; 2356f8e93412SHarish Zunjarrao if (iface_param->value[0] == ISCSI_NET_PARAM_DISABLE) 2357f8e93412SHarish Zunjarrao init_fw_cb->ipv4_tcp_opts |= 2358f8e93412SHarish Zunjarrao cpu_to_le16(TCPOPT_NAGLE_ALGO_DISABLE); 2359f8e93412SHarish Zunjarrao else 2360f8e93412SHarish Zunjarrao init_fw_cb->ipv4_tcp_opts &= 2361f8e93412SHarish Zunjarrao cpu_to_le16(~TCPOPT_NAGLE_ALGO_DISABLE); 2362f8e93412SHarish Zunjarrao break; 2363f8e93412SHarish Zunjarrao case ISCSI_NET_PARAM_TCP_WSF_DISABLE: 2364f8e93412SHarish Zunjarrao if (iface_param->iface_num & 0x1) 2365f8e93412SHarish Zunjarrao break; 2366f8e93412SHarish Zunjarrao if (iface_param->value[0] == ISCSI_NET_PARAM_DISABLE) 2367f8e93412SHarish Zunjarrao init_fw_cb->ipv4_tcp_opts |= 2368f8e93412SHarish Zunjarrao cpu_to_le16(TCPOPT_WINDOW_SCALE_DISABLE); 2369f8e93412SHarish Zunjarrao else 2370f8e93412SHarish Zunjarrao init_fw_cb->ipv4_tcp_opts &= 2371f8e93412SHarish Zunjarrao cpu_to_le16(~TCPOPT_WINDOW_SCALE_DISABLE); 2372f8e93412SHarish Zunjarrao break; 2373f8e93412SHarish Zunjarrao case ISCSI_NET_PARAM_TCP_WSF: 2374f8e93412SHarish Zunjarrao if (iface_param->iface_num & 0x1) 2375f8e93412SHarish Zunjarrao break; 2376f8e93412SHarish Zunjarrao init_fw_cb->ipv4_tcp_wsf = iface_param->value[0]; 2377f8e93412SHarish Zunjarrao break; 2378f8e93412SHarish Zunjarrao case ISCSI_NET_PARAM_TCP_TIMER_SCALE: 2379f8e93412SHarish Zunjarrao if (iface_param->iface_num & 0x1) 2380f8e93412SHarish Zunjarrao break; 2381f8e93412SHarish Zunjarrao init_fw_cb->ipv4_tcp_opts &= cpu_to_le16(~TCPOPT_TIMER_SCALE); 2382f8e93412SHarish Zunjarrao init_fw_cb->ipv4_tcp_opts |= 2383f8e93412SHarish Zunjarrao cpu_to_le16((iface_param->value[0] << 1) & 2384f8e93412SHarish Zunjarrao TCPOPT_TIMER_SCALE); 2385f8e93412SHarish Zunjarrao break; 2386f8e93412SHarish Zunjarrao case ISCSI_NET_PARAM_TCP_TIMESTAMP_EN: 2387f8e93412SHarish Zunjarrao if (iface_param->iface_num & 0x1) 2388f8e93412SHarish Zunjarrao break; 2389f8e93412SHarish Zunjarrao if (iface_param->value[0] == ISCSI_NET_PARAM_ENABLE) 2390f8e93412SHarish Zunjarrao init_fw_cb->ipv4_tcp_opts |= 2391f8e93412SHarish Zunjarrao cpu_to_le16(TCPOPT_TIMESTAMP_ENABLE); 2392f8e93412SHarish Zunjarrao else 2393f8e93412SHarish Zunjarrao init_fw_cb->ipv4_tcp_opts &= 2394f8e93412SHarish Zunjarrao cpu_to_le16(~TCPOPT_TIMESTAMP_ENABLE); 2395f8e93412SHarish Zunjarrao break; 2396f8e93412SHarish Zunjarrao case ISCSI_NET_PARAM_IPV4_DHCP_DNS_ADDR_EN: 2397f8e93412SHarish Zunjarrao if (iface_param->iface_num & 0x1) 2398f8e93412SHarish Zunjarrao break; 2399f8e93412SHarish Zunjarrao if (iface_param->value[0] == ISCSI_NET_PARAM_ENABLE) 2400f8e93412SHarish Zunjarrao init_fw_cb->ipv4_tcp_opts |= 2401f8e93412SHarish Zunjarrao cpu_to_le16(TCPOPT_DNS_SERVER_IP_EN); 2402f8e93412SHarish Zunjarrao else 2403f8e93412SHarish Zunjarrao init_fw_cb->ipv4_tcp_opts &= 2404f8e93412SHarish Zunjarrao cpu_to_le16(~TCPOPT_DNS_SERVER_IP_EN); 2405f8e93412SHarish Zunjarrao break; 2406f8e93412SHarish Zunjarrao case ISCSI_NET_PARAM_IPV4_DHCP_SLP_DA_EN: 2407f8e93412SHarish Zunjarrao if (iface_param->iface_num & 0x1) 2408f8e93412SHarish Zunjarrao break; 2409f8e93412SHarish Zunjarrao if (iface_param->value[0] == ISCSI_NET_PARAM_ENABLE) 2410f8e93412SHarish Zunjarrao init_fw_cb->ipv4_tcp_opts |= 2411f8e93412SHarish Zunjarrao cpu_to_le16(TCPOPT_SLP_DA_INFO_EN); 2412f8e93412SHarish Zunjarrao else 2413f8e93412SHarish Zunjarrao init_fw_cb->ipv4_tcp_opts &= 2414f8e93412SHarish Zunjarrao cpu_to_le16(~TCPOPT_SLP_DA_INFO_EN); 2415f8e93412SHarish Zunjarrao break; 2416f8e93412SHarish Zunjarrao case ISCSI_NET_PARAM_IPV4_TOS_EN: 2417f8e93412SHarish Zunjarrao if (iface_param->iface_num & 0x1) 2418f8e93412SHarish Zunjarrao break; 2419f8e93412SHarish Zunjarrao if (iface_param->value[0] == ISCSI_NET_PARAM_ENABLE) 2420f8e93412SHarish Zunjarrao init_fw_cb->ipv4_ip_opts |= 2421f8e93412SHarish Zunjarrao cpu_to_le16(IPOPT_IPV4_TOS_EN); 2422f8e93412SHarish Zunjarrao else 2423f8e93412SHarish Zunjarrao init_fw_cb->ipv4_ip_opts &= 2424f8e93412SHarish Zunjarrao cpu_to_le16(~IPOPT_IPV4_TOS_EN); 2425f8e93412SHarish Zunjarrao break; 2426f8e93412SHarish Zunjarrao case ISCSI_NET_PARAM_IPV4_TOS: 2427f8e93412SHarish Zunjarrao if (iface_param->iface_num & 0x1) 2428f8e93412SHarish Zunjarrao break; 2429f8e93412SHarish Zunjarrao init_fw_cb->ipv4_tos = iface_param->value[0]; 2430f8e93412SHarish Zunjarrao break; 2431f8e93412SHarish Zunjarrao case ISCSI_NET_PARAM_IPV4_GRAT_ARP_EN: 2432f8e93412SHarish Zunjarrao if (iface_param->iface_num & 0x1) 2433f8e93412SHarish Zunjarrao break; 2434f8e93412SHarish Zunjarrao if (iface_param->value[0] == ISCSI_NET_PARAM_ENABLE) 2435f8e93412SHarish Zunjarrao init_fw_cb->ipv4_ip_opts |= 2436f8e93412SHarish Zunjarrao cpu_to_le16(IPOPT_GRAT_ARP_EN); 2437f8e93412SHarish Zunjarrao else 2438f8e93412SHarish Zunjarrao init_fw_cb->ipv4_ip_opts &= 2439f8e93412SHarish Zunjarrao cpu_to_le16(~IPOPT_GRAT_ARP_EN); 2440f8e93412SHarish Zunjarrao break; 2441f8e93412SHarish Zunjarrao case ISCSI_NET_PARAM_IPV4_DHCP_ALT_CLIENT_ID_EN: 2442f8e93412SHarish Zunjarrao if (iface_param->iface_num & 0x1) 2443f8e93412SHarish Zunjarrao break; 2444f8e93412SHarish Zunjarrao if (iface_param->value[0] == ISCSI_NET_PARAM_ENABLE) 2445f8e93412SHarish Zunjarrao init_fw_cb->ipv4_ip_opts |= 2446f8e93412SHarish Zunjarrao cpu_to_le16(IPOPT_ALT_CID_EN); 2447f8e93412SHarish Zunjarrao else 2448f8e93412SHarish Zunjarrao init_fw_cb->ipv4_ip_opts &= 2449f8e93412SHarish Zunjarrao cpu_to_le16(~IPOPT_ALT_CID_EN); 2450f8e93412SHarish Zunjarrao break; 2451f8e93412SHarish Zunjarrao case ISCSI_NET_PARAM_IPV4_DHCP_ALT_CLIENT_ID: 2452f8e93412SHarish Zunjarrao if (iface_param->iface_num & 0x1) 2453f8e93412SHarish Zunjarrao break; 2454f8e93412SHarish Zunjarrao memcpy(init_fw_cb->ipv4_dhcp_alt_cid, iface_param->value, 2455f8e93412SHarish Zunjarrao (sizeof(init_fw_cb->ipv4_dhcp_alt_cid) - 1)); 2456f8e93412SHarish Zunjarrao init_fw_cb->ipv4_dhcp_alt_cid_len = 2457f8e93412SHarish Zunjarrao strlen(init_fw_cb->ipv4_dhcp_alt_cid); 2458f8e93412SHarish Zunjarrao break; 2459f8e93412SHarish Zunjarrao case ISCSI_NET_PARAM_IPV4_DHCP_REQ_VENDOR_ID_EN: 2460f8e93412SHarish Zunjarrao if (iface_param->iface_num & 0x1) 2461f8e93412SHarish Zunjarrao break; 2462f8e93412SHarish Zunjarrao if (iface_param->value[0] == ISCSI_NET_PARAM_ENABLE) 2463f8e93412SHarish Zunjarrao init_fw_cb->ipv4_ip_opts |= 2464f8e93412SHarish Zunjarrao cpu_to_le16(IPOPT_REQ_VID_EN); 2465f8e93412SHarish Zunjarrao else 2466f8e93412SHarish Zunjarrao init_fw_cb->ipv4_ip_opts &= 2467f8e93412SHarish Zunjarrao cpu_to_le16(~IPOPT_REQ_VID_EN); 2468f8e93412SHarish Zunjarrao break; 2469f8e93412SHarish Zunjarrao case ISCSI_NET_PARAM_IPV4_DHCP_USE_VENDOR_ID_EN: 2470f8e93412SHarish Zunjarrao if (iface_param->iface_num & 0x1) 2471f8e93412SHarish Zunjarrao break; 2472f8e93412SHarish Zunjarrao if (iface_param->value[0] == ISCSI_NET_PARAM_ENABLE) 2473f8e93412SHarish Zunjarrao init_fw_cb->ipv4_ip_opts |= 2474f8e93412SHarish Zunjarrao cpu_to_le16(IPOPT_USE_VID_EN); 2475f8e93412SHarish Zunjarrao else 2476f8e93412SHarish Zunjarrao init_fw_cb->ipv4_ip_opts &= 2477f8e93412SHarish Zunjarrao cpu_to_le16(~IPOPT_USE_VID_EN); 2478f8e93412SHarish Zunjarrao break; 2479f8e93412SHarish Zunjarrao case ISCSI_NET_PARAM_IPV4_DHCP_VENDOR_ID: 2480f8e93412SHarish Zunjarrao if (iface_param->iface_num & 0x1) 2481f8e93412SHarish Zunjarrao break; 2482f8e93412SHarish Zunjarrao memcpy(init_fw_cb->ipv4_dhcp_vid, iface_param->value, 2483f8e93412SHarish Zunjarrao (sizeof(init_fw_cb->ipv4_dhcp_vid) - 1)); 2484f8e93412SHarish Zunjarrao init_fw_cb->ipv4_dhcp_vid_len = 2485f8e93412SHarish Zunjarrao strlen(init_fw_cb->ipv4_dhcp_vid); 2486f8e93412SHarish Zunjarrao break; 2487f8e93412SHarish Zunjarrao case ISCSI_NET_PARAM_IPV4_DHCP_LEARN_IQN_EN: 2488f8e93412SHarish Zunjarrao if (iface_param->iface_num & 0x1) 2489f8e93412SHarish Zunjarrao break; 2490f8e93412SHarish Zunjarrao if (iface_param->value[0] == ISCSI_NET_PARAM_ENABLE) 2491f8e93412SHarish Zunjarrao init_fw_cb->ipv4_ip_opts |= 2492f8e93412SHarish Zunjarrao cpu_to_le16(IPOPT_LEARN_IQN_EN); 2493f8e93412SHarish Zunjarrao else 2494f8e93412SHarish Zunjarrao init_fw_cb->ipv4_ip_opts &= 2495f8e93412SHarish Zunjarrao cpu_to_le16(~IPOPT_LEARN_IQN_EN); 2496f8e93412SHarish Zunjarrao break; 2497f8e93412SHarish Zunjarrao case ISCSI_NET_PARAM_IPV4_FRAGMENT_DISABLE: 2498f8e93412SHarish Zunjarrao if (iface_param->iface_num & 0x1) 2499f8e93412SHarish Zunjarrao break; 2500f8e93412SHarish Zunjarrao if (iface_param->value[0] == ISCSI_NET_PARAM_DISABLE) 2501f8e93412SHarish Zunjarrao init_fw_cb->ipv4_ip_opts |= 2502f8e93412SHarish Zunjarrao cpu_to_le16(IPOPT_FRAGMENTATION_DISABLE); 2503f8e93412SHarish Zunjarrao else 2504f8e93412SHarish Zunjarrao init_fw_cb->ipv4_ip_opts &= 2505f8e93412SHarish Zunjarrao cpu_to_le16(~IPOPT_FRAGMENTATION_DISABLE); 2506f8e93412SHarish Zunjarrao break; 2507f8e93412SHarish Zunjarrao case ISCSI_NET_PARAM_IPV4_IN_FORWARD_EN: 2508f8e93412SHarish Zunjarrao if (iface_param->iface_num & 0x1) 2509f8e93412SHarish Zunjarrao break; 2510f8e93412SHarish Zunjarrao if (iface_param->value[0] == ISCSI_NET_PARAM_ENABLE) 2511f8e93412SHarish Zunjarrao init_fw_cb->ipv4_ip_opts |= 2512f8e93412SHarish Zunjarrao cpu_to_le16(IPOPT_IN_FORWARD_EN); 2513f8e93412SHarish Zunjarrao else 2514f8e93412SHarish Zunjarrao init_fw_cb->ipv4_ip_opts &= 2515f8e93412SHarish Zunjarrao cpu_to_le16(~IPOPT_IN_FORWARD_EN); 2516f8e93412SHarish Zunjarrao break; 2517f8e93412SHarish Zunjarrao case ISCSI_NET_PARAM_REDIRECT_EN: 2518f8e93412SHarish Zunjarrao if (iface_param->iface_num & 0x1) 2519f8e93412SHarish Zunjarrao break; 2520f8e93412SHarish Zunjarrao if (iface_param->value[0] == ISCSI_NET_PARAM_ENABLE) 2521f8e93412SHarish Zunjarrao init_fw_cb->ipv4_ip_opts |= 2522f8e93412SHarish Zunjarrao cpu_to_le16(IPOPT_ARP_REDIRECT_EN); 2523f8e93412SHarish Zunjarrao else 2524f8e93412SHarish Zunjarrao init_fw_cb->ipv4_ip_opts &= 2525f8e93412SHarish Zunjarrao cpu_to_le16(~IPOPT_ARP_REDIRECT_EN); 2526f8e93412SHarish Zunjarrao break; 2527f8e93412SHarish Zunjarrao case ISCSI_NET_PARAM_IPV4_TTL: 2528f8e93412SHarish Zunjarrao if (iface_param->iface_num & 0x1) 2529f8e93412SHarish Zunjarrao break; 2530f8e93412SHarish Zunjarrao init_fw_cb->ipv4_ttl = iface_param->value[0]; 2531f8e93412SHarish Zunjarrao break; 2532d00efe3fSMike Christie default: 2533d00efe3fSMike Christie ql4_printk(KERN_ERR, ha, "Unknown IPv4 param = %d\n", 2534d00efe3fSMike Christie iface_param->param); 2535d00efe3fSMike Christie break; 2536d00efe3fSMike Christie } 2537d00efe3fSMike Christie } 2538d00efe3fSMike Christie 2539f8e93412SHarish Zunjarrao static void qla4xxx_set_iscsi_param(struct scsi_qla_host *ha, 2540f8e93412SHarish Zunjarrao struct iscsi_iface_param_info *iface_param, 2541f8e93412SHarish Zunjarrao struct addr_ctrl_blk *init_fw_cb) 2542f8e93412SHarish Zunjarrao { 2543f8e93412SHarish Zunjarrao switch (iface_param->param) { 2544f8e93412SHarish Zunjarrao case ISCSI_IFACE_PARAM_DEF_TASKMGMT_TMO: 2545f8e93412SHarish Zunjarrao if (iface_param->iface_num & 0x1) 2546f8e93412SHarish Zunjarrao break; 2547f8e93412SHarish Zunjarrao init_fw_cb->def_timeout = 2548f8e93412SHarish Zunjarrao cpu_to_le16(*(uint16_t *)iface_param->value); 2549f8e93412SHarish Zunjarrao break; 2550f8e93412SHarish Zunjarrao case ISCSI_IFACE_PARAM_HDRDGST_EN: 2551f8e93412SHarish Zunjarrao if (iface_param->iface_num & 0x1) 2552f8e93412SHarish Zunjarrao break; 2553f8e93412SHarish Zunjarrao if (iface_param->value[0] == ISCSI_NET_PARAM_ENABLE) 2554f8e93412SHarish Zunjarrao init_fw_cb->iscsi_opts |= 2555f8e93412SHarish Zunjarrao cpu_to_le16(ISCSIOPTS_HEADER_DIGEST_EN); 2556f8e93412SHarish Zunjarrao else 2557f8e93412SHarish Zunjarrao init_fw_cb->iscsi_opts &= 2558f8e93412SHarish Zunjarrao cpu_to_le16(~ISCSIOPTS_HEADER_DIGEST_EN); 2559f8e93412SHarish Zunjarrao break; 2560f8e93412SHarish Zunjarrao case ISCSI_IFACE_PARAM_DATADGST_EN: 2561f8e93412SHarish Zunjarrao if (iface_param->iface_num & 0x1) 2562f8e93412SHarish Zunjarrao break; 2563f8e93412SHarish Zunjarrao if (iface_param->value[0] == ISCSI_NET_PARAM_ENABLE) 2564f8e93412SHarish Zunjarrao init_fw_cb->iscsi_opts |= 2565f8e93412SHarish Zunjarrao cpu_to_le16(ISCSIOPTS_DATA_DIGEST_EN); 2566f8e93412SHarish Zunjarrao else 2567f8e93412SHarish Zunjarrao init_fw_cb->iscsi_opts &= 2568f8e93412SHarish Zunjarrao cpu_to_le16(~ISCSIOPTS_DATA_DIGEST_EN); 2569f8e93412SHarish Zunjarrao break; 2570f8e93412SHarish Zunjarrao case ISCSI_IFACE_PARAM_IMM_DATA_EN: 2571f8e93412SHarish Zunjarrao if (iface_param->iface_num & 0x1) 2572f8e93412SHarish Zunjarrao break; 2573f8e93412SHarish Zunjarrao if (iface_param->value[0] == ISCSI_NET_PARAM_ENABLE) 2574f8e93412SHarish Zunjarrao init_fw_cb->iscsi_opts |= 2575f8e93412SHarish Zunjarrao cpu_to_le16(ISCSIOPTS_IMMEDIATE_DATA_EN); 2576f8e93412SHarish Zunjarrao else 2577f8e93412SHarish Zunjarrao init_fw_cb->iscsi_opts &= 2578f8e93412SHarish Zunjarrao cpu_to_le16(~ISCSIOPTS_IMMEDIATE_DATA_EN); 2579f8e93412SHarish Zunjarrao break; 2580f8e93412SHarish Zunjarrao case ISCSI_IFACE_PARAM_INITIAL_R2T_EN: 2581f8e93412SHarish Zunjarrao if (iface_param->iface_num & 0x1) 2582f8e93412SHarish Zunjarrao break; 2583f8e93412SHarish Zunjarrao if (iface_param->value[0] == ISCSI_NET_PARAM_ENABLE) 2584f8e93412SHarish Zunjarrao init_fw_cb->iscsi_opts |= 2585f8e93412SHarish Zunjarrao cpu_to_le16(ISCSIOPTS_INITIAL_R2T_EN); 2586f8e93412SHarish Zunjarrao else 2587f8e93412SHarish Zunjarrao init_fw_cb->iscsi_opts &= 2588f8e93412SHarish Zunjarrao cpu_to_le16(~ISCSIOPTS_INITIAL_R2T_EN); 2589f8e93412SHarish Zunjarrao break; 2590f8e93412SHarish Zunjarrao case ISCSI_IFACE_PARAM_DATASEQ_INORDER_EN: 2591f8e93412SHarish Zunjarrao if (iface_param->iface_num & 0x1) 2592f8e93412SHarish Zunjarrao break; 2593f8e93412SHarish Zunjarrao if (iface_param->value[0] == ISCSI_NET_PARAM_ENABLE) 2594f8e93412SHarish Zunjarrao init_fw_cb->iscsi_opts |= 2595f8e93412SHarish Zunjarrao cpu_to_le16(ISCSIOPTS_DATA_SEQ_INORDER_EN); 2596f8e93412SHarish Zunjarrao else 2597f8e93412SHarish Zunjarrao init_fw_cb->iscsi_opts &= 2598f8e93412SHarish Zunjarrao cpu_to_le16(~ISCSIOPTS_DATA_SEQ_INORDER_EN); 2599f8e93412SHarish Zunjarrao break; 2600f8e93412SHarish Zunjarrao case ISCSI_IFACE_PARAM_PDU_INORDER_EN: 2601f8e93412SHarish Zunjarrao if (iface_param->iface_num & 0x1) 2602f8e93412SHarish Zunjarrao break; 2603f8e93412SHarish Zunjarrao if (iface_param->value[0] == ISCSI_NET_PARAM_ENABLE) 2604f8e93412SHarish Zunjarrao init_fw_cb->iscsi_opts |= 2605f8e93412SHarish Zunjarrao cpu_to_le16(ISCSIOPTS_DATA_PDU_INORDER_EN); 2606f8e93412SHarish Zunjarrao else 2607f8e93412SHarish Zunjarrao init_fw_cb->iscsi_opts &= 2608f8e93412SHarish Zunjarrao cpu_to_le16(~ISCSIOPTS_DATA_PDU_INORDER_EN); 2609f8e93412SHarish Zunjarrao break; 2610f8e93412SHarish Zunjarrao case ISCSI_IFACE_PARAM_ERL: 2611f8e93412SHarish Zunjarrao if (iface_param->iface_num & 0x1) 2612f8e93412SHarish Zunjarrao break; 2613f8e93412SHarish Zunjarrao init_fw_cb->iscsi_opts &= cpu_to_le16(~ISCSIOPTS_ERL); 2614f8e93412SHarish Zunjarrao init_fw_cb->iscsi_opts |= cpu_to_le16(iface_param->value[0] & 2615f8e93412SHarish Zunjarrao ISCSIOPTS_ERL); 2616f8e93412SHarish Zunjarrao break; 2617f8e93412SHarish Zunjarrao case ISCSI_IFACE_PARAM_MAX_RECV_DLENGTH: 2618f8e93412SHarish Zunjarrao if (iface_param->iface_num & 0x1) 2619f8e93412SHarish Zunjarrao break; 2620f8e93412SHarish Zunjarrao init_fw_cb->iscsi_max_pdu_size = 2621f8e93412SHarish Zunjarrao cpu_to_le32(*(uint32_t *)iface_param->value) / 2622f8e93412SHarish Zunjarrao BYTE_UNITS; 2623f8e93412SHarish Zunjarrao break; 2624f8e93412SHarish Zunjarrao case ISCSI_IFACE_PARAM_FIRST_BURST: 2625f8e93412SHarish Zunjarrao if (iface_param->iface_num & 0x1) 2626f8e93412SHarish Zunjarrao break; 2627f8e93412SHarish Zunjarrao init_fw_cb->iscsi_fburst_len = 2628f8e93412SHarish Zunjarrao cpu_to_le32(*(uint32_t *)iface_param->value) / 2629f8e93412SHarish Zunjarrao BYTE_UNITS; 2630f8e93412SHarish Zunjarrao break; 2631f8e93412SHarish Zunjarrao case ISCSI_IFACE_PARAM_MAX_R2T: 2632f8e93412SHarish Zunjarrao if (iface_param->iface_num & 0x1) 2633f8e93412SHarish Zunjarrao break; 2634f8e93412SHarish Zunjarrao init_fw_cb->iscsi_max_outstnd_r2t = 2635f8e93412SHarish Zunjarrao cpu_to_le16(*(uint16_t *)iface_param->value); 2636f8e93412SHarish Zunjarrao break; 2637f8e93412SHarish Zunjarrao case ISCSI_IFACE_PARAM_MAX_BURST: 2638f8e93412SHarish Zunjarrao if (iface_param->iface_num & 0x1) 2639f8e93412SHarish Zunjarrao break; 2640f8e93412SHarish Zunjarrao init_fw_cb->iscsi_max_burst_len = 2641f8e93412SHarish Zunjarrao cpu_to_le32(*(uint32_t *)iface_param->value) / 2642f8e93412SHarish Zunjarrao BYTE_UNITS; 2643f8e93412SHarish Zunjarrao break; 2644f8e93412SHarish Zunjarrao case ISCSI_IFACE_PARAM_CHAP_AUTH_EN: 2645f8e93412SHarish Zunjarrao if (iface_param->iface_num & 0x1) 2646f8e93412SHarish Zunjarrao break; 2647f8e93412SHarish Zunjarrao if (iface_param->value[0] == ISCSI_NET_PARAM_ENABLE) 2648f8e93412SHarish Zunjarrao init_fw_cb->iscsi_opts |= 2649f8e93412SHarish Zunjarrao cpu_to_le16(ISCSIOPTS_CHAP_AUTH_EN); 2650f8e93412SHarish Zunjarrao else 2651f8e93412SHarish Zunjarrao init_fw_cb->iscsi_opts &= 2652f8e93412SHarish Zunjarrao cpu_to_le16(~ISCSIOPTS_CHAP_AUTH_EN); 2653f8e93412SHarish Zunjarrao break; 2654f8e93412SHarish Zunjarrao case ISCSI_IFACE_PARAM_BIDI_CHAP_EN: 2655f8e93412SHarish Zunjarrao if (iface_param->iface_num & 0x1) 2656f8e93412SHarish Zunjarrao break; 2657f8e93412SHarish Zunjarrao if (iface_param->value[0] == ISCSI_NET_PARAM_ENABLE) 2658f8e93412SHarish Zunjarrao init_fw_cb->iscsi_opts |= 2659f8e93412SHarish Zunjarrao cpu_to_le16(ISCSIOPTS_BIDI_CHAP_EN); 2660f8e93412SHarish Zunjarrao else 2661f8e93412SHarish Zunjarrao init_fw_cb->iscsi_opts &= 2662f8e93412SHarish Zunjarrao cpu_to_le16(~ISCSIOPTS_BIDI_CHAP_EN); 2663f8e93412SHarish Zunjarrao break; 2664f8e93412SHarish Zunjarrao case ISCSI_IFACE_PARAM_DISCOVERY_AUTH_OPTIONAL: 2665f8e93412SHarish Zunjarrao if (iface_param->iface_num & 0x1) 2666f8e93412SHarish Zunjarrao break; 2667f8e93412SHarish Zunjarrao if (iface_param->value[0] == ISCSI_NET_PARAM_ENABLE) 2668f8e93412SHarish Zunjarrao init_fw_cb->iscsi_opts |= 2669f8e93412SHarish Zunjarrao cpu_to_le16(ISCSIOPTS_DISCOVERY_AUTH_EN); 2670f8e93412SHarish Zunjarrao else 2671f8e93412SHarish Zunjarrao init_fw_cb->iscsi_opts &= 2672f8e93412SHarish Zunjarrao cpu_to_le16(~ISCSIOPTS_DISCOVERY_AUTH_EN); 2673f8e93412SHarish Zunjarrao break; 2674f8e93412SHarish Zunjarrao case ISCSI_IFACE_PARAM_DISCOVERY_LOGOUT_EN: 2675f8e93412SHarish Zunjarrao if (iface_param->iface_num & 0x1) 2676f8e93412SHarish Zunjarrao break; 2677f8e93412SHarish Zunjarrao if (iface_param->value[0] == ISCSI_NET_PARAM_ENABLE) 2678f8e93412SHarish Zunjarrao init_fw_cb->iscsi_opts |= 2679f8e93412SHarish Zunjarrao cpu_to_le16(ISCSIOPTS_DISCOVERY_LOGOUT_EN); 2680f8e93412SHarish Zunjarrao else 2681f8e93412SHarish Zunjarrao init_fw_cb->iscsi_opts &= 2682f8e93412SHarish Zunjarrao cpu_to_le16(~ISCSIOPTS_DISCOVERY_LOGOUT_EN); 2683f8e93412SHarish Zunjarrao break; 2684f8e93412SHarish Zunjarrao case ISCSI_IFACE_PARAM_STRICT_LOGIN_COMP_EN: 2685f8e93412SHarish Zunjarrao if (iface_param->iface_num & 0x1) 2686f8e93412SHarish Zunjarrao break; 2687f8e93412SHarish Zunjarrao if (iface_param->value[0] == ISCSI_NET_PARAM_ENABLE) 2688f8e93412SHarish Zunjarrao init_fw_cb->iscsi_opts |= 2689f8e93412SHarish Zunjarrao cpu_to_le16(ISCSIOPTS_STRICT_LOGIN_COMP_EN); 2690f8e93412SHarish Zunjarrao else 2691f8e93412SHarish Zunjarrao init_fw_cb->iscsi_opts &= 2692f8e93412SHarish Zunjarrao cpu_to_le16(~ISCSIOPTS_STRICT_LOGIN_COMP_EN); 2693f8e93412SHarish Zunjarrao break; 2694f8e93412SHarish Zunjarrao default: 2695f8e93412SHarish Zunjarrao ql4_printk(KERN_ERR, ha, "Unknown iscsi param = %d\n", 2696f8e93412SHarish Zunjarrao iface_param->param); 2697f8e93412SHarish Zunjarrao break; 2698f8e93412SHarish Zunjarrao } 2699f8e93412SHarish Zunjarrao } 2700f8e93412SHarish Zunjarrao 2701d00efe3fSMike Christie static void 2702d00efe3fSMike Christie qla4xxx_initcb_to_acb(struct addr_ctrl_blk *init_fw_cb) 2703d00efe3fSMike Christie { 2704d00efe3fSMike Christie struct addr_ctrl_blk_def *acb; 2705d00efe3fSMike Christie acb = (struct addr_ctrl_blk_def *)init_fw_cb; 2706d00efe3fSMike Christie memset(acb->reserved1, 0, sizeof(acb->reserved1)); 2707d00efe3fSMike Christie memset(acb->reserved2, 0, sizeof(acb->reserved2)); 2708d00efe3fSMike Christie memset(acb->reserved3, 0, sizeof(acb->reserved3)); 2709d00efe3fSMike Christie memset(acb->reserved4, 0, sizeof(acb->reserved4)); 2710d00efe3fSMike Christie memset(acb->reserved5, 0, sizeof(acb->reserved5)); 2711d00efe3fSMike Christie memset(acb->reserved6, 0, sizeof(acb->reserved6)); 2712d00efe3fSMike Christie memset(acb->reserved7, 0, sizeof(acb->reserved7)); 2713d00efe3fSMike Christie memset(acb->reserved8, 0, sizeof(acb->reserved8)); 2714d00efe3fSMike Christie memset(acb->reserved9, 0, sizeof(acb->reserved9)); 2715d00efe3fSMike Christie memset(acb->reserved10, 0, sizeof(acb->reserved10)); 2716d00efe3fSMike Christie memset(acb->reserved11, 0, sizeof(acb->reserved11)); 2717d00efe3fSMike Christie memset(acb->reserved12, 0, sizeof(acb->reserved12)); 2718d00efe3fSMike Christie memset(acb->reserved13, 0, sizeof(acb->reserved13)); 2719d00efe3fSMike Christie memset(acb->reserved14, 0, sizeof(acb->reserved14)); 2720d00efe3fSMike Christie memset(acb->reserved15, 0, sizeof(acb->reserved15)); 2721d00efe3fSMike Christie } 2722d00efe3fSMike Christie 2723d00efe3fSMike Christie static int 272400c31889SMike Christie qla4xxx_iface_set_param(struct Scsi_Host *shost, void *data, uint32_t len) 2725d00efe3fSMike Christie { 2726d00efe3fSMike Christie struct scsi_qla_host *ha = to_qla_host(shost); 2727d00efe3fSMike Christie int rval = 0; 2728d00efe3fSMike Christie struct iscsi_iface_param_info *iface_param = NULL; 2729d00efe3fSMike Christie struct addr_ctrl_blk *init_fw_cb = NULL; 2730d00efe3fSMike Christie dma_addr_t init_fw_cb_dma; 2731d00efe3fSMike Christie uint32_t mbox_cmd[MBOX_REG_COUNT]; 2732d00efe3fSMike Christie uint32_t mbox_sts[MBOX_REG_COUNT]; 273300c31889SMike Christie uint32_t rem = len; 273400c31889SMike Christie struct nlattr *attr; 2735d00efe3fSMike Christie 2736750afb08SLuis Chamberlain init_fw_cb = dma_alloc_coherent(&ha->pdev->dev, 2737d00efe3fSMike Christie sizeof(struct addr_ctrl_blk), 2738d00efe3fSMike Christie &init_fw_cb_dma, GFP_KERNEL); 2739d00efe3fSMike Christie if (!init_fw_cb) { 2740d00efe3fSMike Christie ql4_printk(KERN_ERR, ha, "%s: Unable to alloc init_cb\n", 2741d00efe3fSMike Christie __func__); 2742d00efe3fSMike Christie return -ENOMEM; 2743d00efe3fSMike Christie } 2744d00efe3fSMike Christie 2745d00efe3fSMike Christie memset(&mbox_cmd, 0, sizeof(mbox_cmd)); 2746d00efe3fSMike Christie memset(&mbox_sts, 0, sizeof(mbox_sts)); 2747d00efe3fSMike Christie 2748d00efe3fSMike Christie if (qla4xxx_get_ifcb(ha, &mbox_cmd[0], &mbox_sts[0], init_fw_cb_dma)) { 2749d00efe3fSMike Christie ql4_printk(KERN_ERR, ha, "%s: get ifcb failed\n", __func__); 2750d00efe3fSMike Christie rval = -EIO; 2751d00efe3fSMike Christie goto exit_init_fw_cb; 2752d00efe3fSMike Christie } 2753d00efe3fSMike Christie 275400c31889SMike Christie nla_for_each_attr(attr, data, len, rem) { 275500c31889SMike Christie iface_param = nla_data(attr); 2756d00efe3fSMike Christie 2757f8e93412SHarish Zunjarrao if (iface_param->param_type == ISCSI_NET_PARAM) { 2758d00efe3fSMike Christie switch (iface_param->iface_type) { 2759d00efe3fSMike Christie case ISCSI_IFACE_TYPE_IPV4: 2760d00efe3fSMike Christie switch (iface_param->iface_num) { 2761d00efe3fSMike Christie case 0: 2762f8e93412SHarish Zunjarrao qla4xxx_set_ipv4(ha, iface_param, 2763f8e93412SHarish Zunjarrao init_fw_cb); 2764d00efe3fSMike Christie break; 2765d00efe3fSMike Christie default: 2766d00efe3fSMike Christie /* Cannot have more than one IPv4 interface */ 2767f8e93412SHarish Zunjarrao ql4_printk(KERN_ERR, ha, 2768f8e93412SHarish Zunjarrao "Invalid IPv4 iface number = %d\n", 2769d00efe3fSMike Christie iface_param->iface_num); 2770d00efe3fSMike Christie break; 2771d00efe3fSMike Christie } 2772d00efe3fSMike Christie break; 2773d00efe3fSMike Christie case ISCSI_IFACE_TYPE_IPV6: 2774d00efe3fSMike Christie switch (iface_param->iface_num) { 2775d00efe3fSMike Christie case 0: 2776d00efe3fSMike Christie case 1: 2777f8e93412SHarish Zunjarrao qla4xxx_set_ipv6(ha, iface_param, 2778f8e93412SHarish Zunjarrao init_fw_cb); 2779d00efe3fSMike Christie break; 2780d00efe3fSMike Christie default: 2781d00efe3fSMike Christie /* Cannot have more than two IPv6 interface */ 2782f8e93412SHarish Zunjarrao ql4_printk(KERN_ERR, ha, 2783f8e93412SHarish Zunjarrao "Invalid IPv6 iface number = %d\n", 2784d00efe3fSMike Christie iface_param->iface_num); 2785d00efe3fSMike Christie break; 2786d00efe3fSMike Christie } 2787d00efe3fSMike Christie break; 2788d00efe3fSMike Christie default: 2789f8e93412SHarish Zunjarrao ql4_printk(KERN_ERR, ha, 2790f8e93412SHarish Zunjarrao "Invalid iface type\n"); 2791d00efe3fSMike Christie break; 2792d00efe3fSMike Christie } 2793f8e93412SHarish Zunjarrao } else if (iface_param->param_type == ISCSI_IFACE_PARAM) { 2794f8e93412SHarish Zunjarrao qla4xxx_set_iscsi_param(ha, iface_param, 2795f8e93412SHarish Zunjarrao init_fw_cb); 2796f8e93412SHarish Zunjarrao } else { 2797f8e93412SHarish Zunjarrao continue; 2798f8e93412SHarish Zunjarrao } 2799d00efe3fSMike Christie } 2800d00efe3fSMike Christie 2801d00efe3fSMike Christie init_fw_cb->cookie = cpu_to_le32(0x11BEAD5A); 2802d00efe3fSMike Christie 2803d00efe3fSMike Christie rval = qla4xxx_set_flash(ha, init_fw_cb_dma, FLASH_SEGMENT_IFCB, 2804d00efe3fSMike Christie sizeof(struct addr_ctrl_blk), 2805d00efe3fSMike Christie FLASH_OPT_RMW_COMMIT); 2806d00efe3fSMike Christie if (rval != QLA_SUCCESS) { 2807d00efe3fSMike Christie ql4_printk(KERN_ERR, ha, "%s: set flash mbx failed\n", 2808d00efe3fSMike Christie __func__); 2809d00efe3fSMike Christie rval = -EIO; 2810d00efe3fSMike Christie goto exit_init_fw_cb; 2811d00efe3fSMike Christie } 2812d00efe3fSMike Christie 2813ce505f9dSVikas Chaudhary rval = qla4xxx_disable_acb(ha); 2814ce505f9dSVikas Chaudhary if (rval != QLA_SUCCESS) { 2815ce505f9dSVikas Chaudhary ql4_printk(KERN_ERR, ha, "%s: disable acb mbx failed\n", 2816ce505f9dSVikas Chaudhary __func__); 2817ce505f9dSVikas Chaudhary rval = -EIO; 2818ce505f9dSVikas Chaudhary goto exit_init_fw_cb; 2819ce505f9dSVikas Chaudhary } 2820ce505f9dSVikas Chaudhary 2821ce505f9dSVikas Chaudhary wait_for_completion_timeout(&ha->disable_acb_comp, 2822ce505f9dSVikas Chaudhary DISABLE_ACB_TOV * HZ); 2823d00efe3fSMike Christie 2824d00efe3fSMike Christie qla4xxx_initcb_to_acb(init_fw_cb); 2825d00efe3fSMike Christie 2826d00efe3fSMike Christie rval = qla4xxx_set_acb(ha, &mbox_cmd[0], &mbox_sts[0], init_fw_cb_dma); 2827d00efe3fSMike Christie if (rval != QLA_SUCCESS) { 2828d00efe3fSMike Christie ql4_printk(KERN_ERR, ha, "%s: set acb mbx failed\n", 2829d00efe3fSMike Christie __func__); 2830d00efe3fSMike Christie rval = -EIO; 2831d00efe3fSMike Christie goto exit_init_fw_cb; 2832d00efe3fSMike Christie } 2833d00efe3fSMike Christie 2834d00efe3fSMike Christie memset(init_fw_cb, 0, sizeof(struct addr_ctrl_blk)); 2835d00efe3fSMike Christie qla4xxx_update_local_ifcb(ha, &mbox_cmd[0], &mbox_sts[0], init_fw_cb, 2836d00efe3fSMike Christie init_fw_cb_dma); 2837d00efe3fSMike Christie 2838d00efe3fSMike Christie exit_init_fw_cb: 2839d00efe3fSMike Christie dma_free_coherent(&ha->pdev->dev, sizeof(struct addr_ctrl_blk), 2840d00efe3fSMike Christie init_fw_cb, init_fw_cb_dma); 2841d00efe3fSMike Christie 2842d00efe3fSMike Christie return rval; 2843d00efe3fSMike Christie } 2844d00efe3fSMike Christie 2845fca9f04dSMike Christie static int qla4xxx_session_get_param(struct iscsi_cls_session *cls_sess, 2846fca9f04dSMike Christie enum iscsi_param param, char *buf) 2847fca9f04dSMike Christie { 2848fca9f04dSMike Christie struct iscsi_session *sess = cls_sess->dd_data; 2849fca9f04dSMike Christie struct ddb_entry *ddb_entry = sess->dd_data; 2850fca9f04dSMike Christie struct scsi_qla_host *ha = ddb_entry->ha; 285197c2730cSAdheer Chandravanshi struct iscsi_cls_conn *cls_conn = ddb_entry->conn; 285297c2730cSAdheer Chandravanshi struct ql4_chap_table chap_tbl; 2853fca9f04dSMike Christie int rval, len; 2854fca9f04dSMike Christie uint16_t idx; 2855fca9f04dSMike Christie 285697c2730cSAdheer Chandravanshi memset(&chap_tbl, 0, sizeof(chap_tbl)); 2857fca9f04dSMike Christie switch (param) { 2858fca9f04dSMike Christie case ISCSI_PARAM_CHAP_IN_IDX: 2859fca9f04dSMike Christie rval = qla4xxx_get_chap_index(ha, sess->username_in, 2860fca9f04dSMike Christie sess->password_in, BIDI_CHAP, 2861fca9f04dSMike Christie &idx); 2862fca9f04dSMike Christie if (rval) 2863c7a5e0d0SManish Rangankar len = sprintf(buf, "\n"); 2864c7a5e0d0SManish Rangankar else 2865fca9f04dSMike Christie len = sprintf(buf, "%hu\n", idx); 2866fca9f04dSMike Christie break; 2867fca9f04dSMike Christie case ISCSI_PARAM_CHAP_OUT_IDX: 286897c2730cSAdheer Chandravanshi if (ddb_entry->ddb_type == FLASH_DDB) { 286997c2730cSAdheer Chandravanshi if (ddb_entry->chap_tbl_idx != INVALID_ENTRY) { 287097c2730cSAdheer Chandravanshi idx = ddb_entry->chap_tbl_idx; 287197c2730cSAdheer Chandravanshi rval = QLA_SUCCESS; 287297c2730cSAdheer Chandravanshi } else { 287397c2730cSAdheer Chandravanshi rval = QLA_ERROR; 287497c2730cSAdheer Chandravanshi } 287597c2730cSAdheer Chandravanshi } else { 2876fca9f04dSMike Christie rval = qla4xxx_get_chap_index(ha, sess->username, 287797c2730cSAdheer Chandravanshi sess->password, 287897c2730cSAdheer Chandravanshi LOCAL_CHAP, &idx); 287997c2730cSAdheer Chandravanshi } 2880fca9f04dSMike Christie if (rval) 2881c7a5e0d0SManish Rangankar len = sprintf(buf, "\n"); 2882c7a5e0d0SManish Rangankar else 2883fca9f04dSMike Christie len = sprintf(buf, "%hu\n", idx); 2884fca9f04dSMike Christie break; 288597c2730cSAdheer Chandravanshi case ISCSI_PARAM_USERNAME: 288697c2730cSAdheer Chandravanshi case ISCSI_PARAM_PASSWORD: 288797c2730cSAdheer Chandravanshi /* First, populate session username and password for FLASH DDB, 288897c2730cSAdheer Chandravanshi * if not already done. This happens when session login fails 288997c2730cSAdheer Chandravanshi * for a FLASH DDB. 289097c2730cSAdheer Chandravanshi */ 289197c2730cSAdheer Chandravanshi if (ddb_entry->ddb_type == FLASH_DDB && 289297c2730cSAdheer Chandravanshi ddb_entry->chap_tbl_idx != INVALID_ENTRY && 289397c2730cSAdheer Chandravanshi !sess->username && !sess->password) { 289497c2730cSAdheer Chandravanshi idx = ddb_entry->chap_tbl_idx; 289597c2730cSAdheer Chandravanshi rval = qla4xxx_get_uni_chap_at_index(ha, chap_tbl.name, 289697c2730cSAdheer Chandravanshi chap_tbl.secret, 289797c2730cSAdheer Chandravanshi idx); 289897c2730cSAdheer Chandravanshi if (!rval) { 289997c2730cSAdheer Chandravanshi iscsi_set_param(cls_conn, ISCSI_PARAM_USERNAME, 290097c2730cSAdheer Chandravanshi (char *)chap_tbl.name, 290197c2730cSAdheer Chandravanshi strlen((char *)chap_tbl.name)); 290297c2730cSAdheer Chandravanshi iscsi_set_param(cls_conn, ISCSI_PARAM_PASSWORD, 290397c2730cSAdheer Chandravanshi (char *)chap_tbl.secret, 290497c2730cSAdheer Chandravanshi chap_tbl.secret_len); 290597c2730cSAdheer Chandravanshi } 290697c2730cSAdheer Chandravanshi } 2907df561f66SGustavo A. R. Silva fallthrough; 2908fca9f04dSMike Christie default: 2909fca9f04dSMike Christie return iscsi_session_get_param(cls_sess, param, buf); 2910fca9f04dSMike Christie } 2911fca9f04dSMike Christie 2912fca9f04dSMike Christie return len; 2913fca9f04dSMike Christie } 2914fca9f04dSMike Christie 2915b3a271a9SManish Rangankar static int qla4xxx_conn_get_param(struct iscsi_cls_conn *cls_conn, 2916afaf5a2dSDavid Somayajulu enum iscsi_param param, char *buf) 2917afaf5a2dSDavid Somayajulu { 2918b3a271a9SManish Rangankar struct iscsi_conn *conn; 2919b3a271a9SManish Rangankar struct qla_conn *qla_conn; 2920b3a271a9SManish Rangankar struct sockaddr *dst_addr; 2921afaf5a2dSDavid Somayajulu 2922b3a271a9SManish Rangankar conn = cls_conn->dd_data; 2923b3a271a9SManish Rangankar qla_conn = conn->dd_data; 2924d46bdeb1SManish Rangankar dst_addr = (struct sockaddr *)&qla_conn->qla_ep->dst_addr; 2925afaf5a2dSDavid Somayajulu 2926afaf5a2dSDavid Somayajulu switch (param) { 2927afaf5a2dSDavid Somayajulu case ISCSI_PARAM_CONN_PORT: 2928afaf5a2dSDavid Somayajulu case ISCSI_PARAM_CONN_ADDRESS: 2929b3a271a9SManish Rangankar return iscsi_conn_get_addr_param((struct sockaddr_storage *) 2930b3a271a9SManish Rangankar dst_addr, param, buf); 2931afaf5a2dSDavid Somayajulu default: 2932b3a271a9SManish Rangankar return iscsi_conn_get_param(cls_conn, param, buf); 2933afaf5a2dSDavid Somayajulu } 2934afaf5a2dSDavid Somayajulu } 2935afaf5a2dSDavid Somayajulu 293613483730SMike Christie int qla4xxx_get_ddb_index(struct scsi_qla_host *ha, uint16_t *ddb_index) 293713483730SMike Christie { 293813483730SMike Christie uint32_t mbx_sts = 0; 293913483730SMike Christie uint16_t tmp_ddb_index; 294013483730SMike Christie int ret; 294113483730SMike Christie 294213483730SMike Christie get_ddb_index: 294313483730SMike Christie tmp_ddb_index = find_first_zero_bit(ha->ddb_idx_map, MAX_DDB_ENTRIES); 294413483730SMike Christie 294513483730SMike Christie if (tmp_ddb_index >= MAX_DDB_ENTRIES) { 294613483730SMike Christie DEBUG2(ql4_printk(KERN_INFO, ha, 294713483730SMike Christie "Free DDB index not available\n")); 294813483730SMike Christie ret = QLA_ERROR; 294913483730SMike Christie goto exit_get_ddb_index; 295013483730SMike Christie } 295113483730SMike Christie 295213483730SMike Christie if (test_and_set_bit(tmp_ddb_index, ha->ddb_idx_map)) 295313483730SMike Christie goto get_ddb_index; 295413483730SMike Christie 295513483730SMike Christie DEBUG2(ql4_printk(KERN_INFO, ha, 295613483730SMike Christie "Found a free DDB index at %d\n", tmp_ddb_index)); 295713483730SMike Christie ret = qla4xxx_req_ddb_entry(ha, tmp_ddb_index, &mbx_sts); 295813483730SMike Christie if (ret == QLA_ERROR) { 295913483730SMike Christie if (mbx_sts == MBOX_STS_COMMAND_ERROR) { 296013483730SMike Christie ql4_printk(KERN_INFO, ha, 296113483730SMike Christie "DDB index = %d not available trying next\n", 296213483730SMike Christie tmp_ddb_index); 296313483730SMike Christie goto get_ddb_index; 296413483730SMike Christie } 296513483730SMike Christie DEBUG2(ql4_printk(KERN_INFO, ha, 296613483730SMike Christie "Free FW DDB not available\n")); 296713483730SMike Christie } 296813483730SMike Christie 296913483730SMike Christie *ddb_index = tmp_ddb_index; 297013483730SMike Christie 297113483730SMike Christie exit_get_ddb_index: 297213483730SMike Christie return ret; 297313483730SMike Christie } 297413483730SMike Christie 297513483730SMike Christie static int qla4xxx_match_ipaddress(struct scsi_qla_host *ha, 297613483730SMike Christie struct ddb_entry *ddb_entry, 297713483730SMike Christie char *existing_ipaddr, 297813483730SMike Christie char *user_ipaddr) 297913483730SMike Christie { 298013483730SMike Christie uint8_t dst_ipaddr[IPv6_ADDR_LEN]; 298113483730SMike Christie char formatted_ipaddr[DDB_IPADDR_LEN]; 298213483730SMike Christie int status = QLA_SUCCESS, ret = 0; 298313483730SMike Christie 298413483730SMike Christie if (ddb_entry->fw_ddb_entry.options & DDB_OPT_IPV6_DEVICE) { 298513483730SMike Christie ret = in6_pton(user_ipaddr, strlen(user_ipaddr), dst_ipaddr, 298613483730SMike Christie '\0', NULL); 298713483730SMike Christie if (ret == 0) { 298813483730SMike Christie status = QLA_ERROR; 298913483730SMike Christie goto out_match; 299013483730SMike Christie } 299113483730SMike Christie ret = sprintf(formatted_ipaddr, "%pI6", dst_ipaddr); 299213483730SMike Christie } else { 299313483730SMike Christie ret = in4_pton(user_ipaddr, strlen(user_ipaddr), dst_ipaddr, 299413483730SMike Christie '\0', NULL); 299513483730SMike Christie if (ret == 0) { 299613483730SMike Christie status = QLA_ERROR; 299713483730SMike Christie goto out_match; 299813483730SMike Christie } 299913483730SMike Christie ret = sprintf(formatted_ipaddr, "%pI4", dst_ipaddr); 300013483730SMike Christie } 300113483730SMike Christie 300213483730SMike Christie if (strcmp(existing_ipaddr, formatted_ipaddr)) 300313483730SMike Christie status = QLA_ERROR; 300413483730SMike Christie 300513483730SMike Christie out_match: 300613483730SMike Christie return status; 300713483730SMike Christie } 300813483730SMike Christie 300913483730SMike Christie static int qla4xxx_match_fwdb_session(struct scsi_qla_host *ha, 301013483730SMike Christie struct iscsi_cls_conn *cls_conn) 301113483730SMike Christie { 301213483730SMike Christie int idx = 0, max_ddbs, rval; 301313483730SMike Christie struct iscsi_cls_session *cls_sess = iscsi_conn_to_session(cls_conn); 301413483730SMike Christie struct iscsi_session *sess, *existing_sess; 301513483730SMike Christie struct iscsi_conn *conn, *existing_conn; 301613483730SMike Christie struct ddb_entry *ddb_entry; 301713483730SMike Christie 301813483730SMike Christie sess = cls_sess->dd_data; 301913483730SMike Christie conn = cls_conn->dd_data; 302013483730SMike Christie 302113483730SMike Christie if (sess->targetname == NULL || 302213483730SMike Christie conn->persistent_address == NULL || 302313483730SMike Christie conn->persistent_port == 0) 302413483730SMike Christie return QLA_ERROR; 302513483730SMike Christie 302613483730SMike Christie max_ddbs = is_qla40XX(ha) ? MAX_DEV_DB_ENTRIES_40XX : 302713483730SMike Christie MAX_DEV_DB_ENTRIES; 302813483730SMike Christie 302913483730SMike Christie for (idx = 0; idx < max_ddbs; idx++) { 303013483730SMike Christie ddb_entry = qla4xxx_lookup_ddb_by_fw_index(ha, idx); 303113483730SMike Christie if (ddb_entry == NULL) 303213483730SMike Christie continue; 303313483730SMike Christie 303413483730SMike Christie if (ddb_entry->ddb_type != FLASH_DDB) 303513483730SMike Christie continue; 303613483730SMike Christie 303713483730SMike Christie existing_sess = ddb_entry->sess->dd_data; 303813483730SMike Christie existing_conn = ddb_entry->conn->dd_data; 303913483730SMike Christie 304013483730SMike Christie if (existing_sess->targetname == NULL || 304113483730SMike Christie existing_conn->persistent_address == NULL || 304213483730SMike Christie existing_conn->persistent_port == 0) 304313483730SMike Christie continue; 304413483730SMike Christie 304513483730SMike Christie DEBUG2(ql4_printk(KERN_INFO, ha, 304613483730SMike Christie "IQN = %s User IQN = %s\n", 304713483730SMike Christie existing_sess->targetname, 304813483730SMike Christie sess->targetname)); 304913483730SMike Christie 305013483730SMike Christie DEBUG2(ql4_printk(KERN_INFO, ha, 305113483730SMike Christie "IP = %s User IP = %s\n", 305213483730SMike Christie existing_conn->persistent_address, 305313483730SMike Christie conn->persistent_address)); 305413483730SMike Christie 305513483730SMike Christie DEBUG2(ql4_printk(KERN_INFO, ha, 305613483730SMike Christie "Port = %d User Port = %d\n", 305713483730SMike Christie existing_conn->persistent_port, 305813483730SMike Christie conn->persistent_port)); 305913483730SMike Christie 306013483730SMike Christie if (strcmp(existing_sess->targetname, sess->targetname)) 306113483730SMike Christie continue; 306213483730SMike Christie rval = qla4xxx_match_ipaddress(ha, ddb_entry, 306313483730SMike Christie existing_conn->persistent_address, 306413483730SMike Christie conn->persistent_address); 306513483730SMike Christie if (rval == QLA_ERROR) 306613483730SMike Christie continue; 306713483730SMike Christie if (existing_conn->persistent_port != conn->persistent_port) 306813483730SMike Christie continue; 306913483730SMike Christie break; 307013483730SMike Christie } 307113483730SMike Christie 307213483730SMike Christie if (idx == max_ddbs) 307313483730SMike Christie return QLA_ERROR; 307413483730SMike Christie 307513483730SMike Christie DEBUG2(ql4_printk(KERN_INFO, ha, 307613483730SMike Christie "Match found in fwdb sessions\n")); 307713483730SMike Christie return QLA_SUCCESS; 307813483730SMike Christie } 307913483730SMike Christie 3080b3a271a9SManish Rangankar static struct iscsi_cls_session * 3081b3a271a9SManish Rangankar qla4xxx_session_create(struct iscsi_endpoint *ep, 3082b3a271a9SManish Rangankar uint16_t cmds_max, uint16_t qdepth, 3083b3a271a9SManish Rangankar uint32_t initial_cmdsn) 3084b3a271a9SManish Rangankar { 3085b3a271a9SManish Rangankar struct iscsi_cls_session *cls_sess; 3086b3a271a9SManish Rangankar struct scsi_qla_host *ha; 3087b3a271a9SManish Rangankar struct qla_endpoint *qla_ep; 3088b3a271a9SManish Rangankar struct ddb_entry *ddb_entry; 308913483730SMike Christie uint16_t ddb_index; 3090b3a271a9SManish Rangankar struct iscsi_session *sess; 3091b3a271a9SManish Rangankar int ret; 3092b3a271a9SManish Rangankar 3093b3a271a9SManish Rangankar if (!ep) { 3094b3a271a9SManish Rangankar printk(KERN_ERR "qla4xxx: missing ep.\n"); 3095b3a271a9SManish Rangankar return NULL; 3096b3a271a9SManish Rangankar } 3097b3a271a9SManish Rangankar 3098b3a271a9SManish Rangankar qla_ep = ep->dd_data; 3099b3a271a9SManish Rangankar ha = to_qla_host(qla_ep->host); 3100c343c5e0SVikas Chaudhary DEBUG2(ql4_printk(KERN_INFO, ha, "%s: host: %ld\n", __func__, 3101c343c5e0SVikas Chaudhary ha->host_no)); 3102736cf369SManish Rangankar 310313483730SMike Christie ret = qla4xxx_get_ddb_index(ha, &ddb_index); 310413483730SMike Christie if (ret == QLA_ERROR) 3105b3a271a9SManish Rangankar return NULL; 3106b3a271a9SManish Rangankar 3107b3a271a9SManish Rangankar cls_sess = iscsi_session_setup(&qla4xxx_iscsi_transport, qla_ep->host, 3108b3a271a9SManish Rangankar cmds_max, sizeof(struct ddb_entry), 3109b3a271a9SManish Rangankar sizeof(struct ql4_task_data), 3110b3a271a9SManish Rangankar initial_cmdsn, ddb_index); 3111b3a271a9SManish Rangankar if (!cls_sess) 3112b3a271a9SManish Rangankar return NULL; 3113b3a271a9SManish Rangankar 3114b3a271a9SManish Rangankar sess = cls_sess->dd_data; 3115b3a271a9SManish Rangankar ddb_entry = sess->dd_data; 3116b3a271a9SManish Rangankar ddb_entry->fw_ddb_index = ddb_index; 3117b3a271a9SManish Rangankar ddb_entry->fw_ddb_device_state = DDB_DS_NO_CONNECTION_ACTIVE; 3118b3a271a9SManish Rangankar ddb_entry->ha = ha; 3119b3a271a9SManish Rangankar ddb_entry->sess = cls_sess; 312013483730SMike Christie ddb_entry->unblock_sess = qla4xxx_unblock_ddb; 312113483730SMike Christie ddb_entry->ddb_change = qla4xxx_ddb_change; 3122de2efea6SNilesh Javali clear_bit(DDB_CONN_CLOSE_FAILURE, &ddb_entry->flags); 3123b3a271a9SManish Rangankar cls_sess->recovery_tmo = ql4xsess_recovery_tmo; 3124b3a271a9SManish Rangankar ha->fw_ddb_index_map[ddb_entry->fw_ddb_index] = ddb_entry; 3125b3a271a9SManish Rangankar ha->tot_ddbs++; 3126b3a271a9SManish Rangankar 3127b3a271a9SManish Rangankar return cls_sess; 3128b3a271a9SManish Rangankar } 3129b3a271a9SManish Rangankar 3130b3a271a9SManish Rangankar static void qla4xxx_session_destroy(struct iscsi_cls_session *cls_sess) 3131b3a271a9SManish Rangankar { 3132b3a271a9SManish Rangankar struct iscsi_session *sess; 3133b3a271a9SManish Rangankar struct ddb_entry *ddb_entry; 3134b3a271a9SManish Rangankar struct scsi_qla_host *ha; 313590599b62SManish Rangankar unsigned long flags, wtime; 313690599b62SManish Rangankar struct dev_db_entry *fw_ddb_entry = NULL; 313790599b62SManish Rangankar dma_addr_t fw_ddb_entry_dma; 313890599b62SManish Rangankar uint32_t ddb_state; 313990599b62SManish Rangankar int ret; 3140b3a271a9SManish Rangankar 3141b3a271a9SManish Rangankar sess = cls_sess->dd_data; 3142b3a271a9SManish Rangankar ddb_entry = sess->dd_data; 3143b3a271a9SManish Rangankar ha = ddb_entry->ha; 3144c343c5e0SVikas Chaudhary DEBUG2(ql4_printk(KERN_INFO, ha, "%s: host: %ld\n", __func__, 3145c343c5e0SVikas Chaudhary ha->host_no)); 3146b3a271a9SManish Rangankar 314790599b62SManish Rangankar fw_ddb_entry = dma_alloc_coherent(&ha->pdev->dev, sizeof(*fw_ddb_entry), 314890599b62SManish Rangankar &fw_ddb_entry_dma, GFP_KERNEL); 314990599b62SManish Rangankar if (!fw_ddb_entry) { 315090599b62SManish Rangankar ql4_printk(KERN_ERR, ha, 315190599b62SManish Rangankar "%s: Unable to allocate dma buffer\n", __func__); 315290599b62SManish Rangankar goto destroy_session; 315390599b62SManish Rangankar } 315490599b62SManish Rangankar 315590599b62SManish Rangankar wtime = jiffies + (HZ * LOGOUT_TOV); 315690599b62SManish Rangankar do { 315790599b62SManish Rangankar ret = qla4xxx_get_fwddb_entry(ha, ddb_entry->fw_ddb_index, 315890599b62SManish Rangankar fw_ddb_entry, fw_ddb_entry_dma, 315990599b62SManish Rangankar NULL, NULL, &ddb_state, NULL, 316090599b62SManish Rangankar NULL, NULL); 316190599b62SManish Rangankar if (ret == QLA_ERROR) 316290599b62SManish Rangankar goto destroy_session; 316390599b62SManish Rangankar 316490599b62SManish Rangankar if ((ddb_state == DDB_DS_NO_CONNECTION_ACTIVE) || 316590599b62SManish Rangankar (ddb_state == DDB_DS_SESSION_FAILED)) 316690599b62SManish Rangankar goto destroy_session; 316790599b62SManish Rangankar 316890599b62SManish Rangankar schedule_timeout_uninterruptible(HZ); 316990599b62SManish Rangankar } while ((time_after(wtime, jiffies))); 317090599b62SManish Rangankar 317190599b62SManish Rangankar destroy_session: 3172736cf369SManish Rangankar qla4xxx_clear_ddb_entry(ha, ddb_entry->fw_ddb_index); 3173de2efea6SNilesh Javali if (test_and_clear_bit(DDB_CONN_CLOSE_FAILURE, &ddb_entry->flags)) 3174de2efea6SNilesh Javali clear_bit(ddb_entry->fw_ddb_index, ha->ddb_idx_map); 3175b3a271a9SManish Rangankar spin_lock_irqsave(&ha->hardware_lock, flags); 3176b3a271a9SManish Rangankar qla4xxx_free_ddb(ha, ddb_entry); 3177b3a271a9SManish Rangankar spin_unlock_irqrestore(&ha->hardware_lock, flags); 317890599b62SManish Rangankar 3179b3a271a9SManish Rangankar iscsi_session_teardown(cls_sess); 318090599b62SManish Rangankar 318190599b62SManish Rangankar if (fw_ddb_entry) 318290599b62SManish Rangankar dma_free_coherent(&ha->pdev->dev, sizeof(*fw_ddb_entry), 318390599b62SManish Rangankar fw_ddb_entry, fw_ddb_entry_dma); 3184b3a271a9SManish Rangankar } 3185b3a271a9SManish Rangankar 3186b3a271a9SManish Rangankar static struct iscsi_cls_conn * 3187b3a271a9SManish Rangankar qla4xxx_conn_create(struct iscsi_cls_session *cls_sess, uint32_t conn_idx) 3188b3a271a9SManish Rangankar { 3189b3a271a9SManish Rangankar struct iscsi_cls_conn *cls_conn; 3190b3a271a9SManish Rangankar struct iscsi_session *sess; 3191b3a271a9SManish Rangankar struct ddb_entry *ddb_entry; 3192c343c5e0SVikas Chaudhary struct scsi_qla_host *ha; 3193b3a271a9SManish Rangankar 3194b3a271a9SManish Rangankar cls_conn = iscsi_conn_setup(cls_sess, sizeof(struct qla_conn), 3195b3a271a9SManish Rangankar conn_idx); 3196c343c5e0SVikas Chaudhary if (!cls_conn) { 3197c343c5e0SVikas Chaudhary pr_info("%s: Can not create connection for conn_idx = %u\n", 3198c343c5e0SVikas Chaudhary __func__, conn_idx); 3199ff1d0319SMike Christie return NULL; 3200c343c5e0SVikas Chaudhary } 3201ff1d0319SMike Christie 3202b3a271a9SManish Rangankar sess = cls_sess->dd_data; 3203b3a271a9SManish Rangankar ddb_entry = sess->dd_data; 3204b3a271a9SManish Rangankar ddb_entry->conn = cls_conn; 3205b3a271a9SManish Rangankar 3206c343c5e0SVikas Chaudhary ha = ddb_entry->ha; 3207c343c5e0SVikas Chaudhary DEBUG2(ql4_printk(KERN_INFO, ha, "%s: conn_idx = %u\n", __func__, 3208c343c5e0SVikas Chaudhary conn_idx)); 3209b3a271a9SManish Rangankar return cls_conn; 3210b3a271a9SManish Rangankar } 3211b3a271a9SManish Rangankar 3212b3a271a9SManish Rangankar static int qla4xxx_conn_bind(struct iscsi_cls_session *cls_session, 3213b3a271a9SManish Rangankar struct iscsi_cls_conn *cls_conn, 3214b3a271a9SManish Rangankar uint64_t transport_fd, int is_leading) 3215b3a271a9SManish Rangankar { 3216b3a271a9SManish Rangankar struct iscsi_conn *conn; 3217b3a271a9SManish Rangankar struct qla_conn *qla_conn; 3218b3a271a9SManish Rangankar struct iscsi_endpoint *ep; 3219c343c5e0SVikas Chaudhary struct ddb_entry *ddb_entry; 3220c343c5e0SVikas Chaudhary struct scsi_qla_host *ha; 3221c343c5e0SVikas Chaudhary struct iscsi_session *sess; 3222b3a271a9SManish Rangankar 3223c343c5e0SVikas Chaudhary sess = cls_session->dd_data; 3224c343c5e0SVikas Chaudhary ddb_entry = sess->dd_data; 3225c343c5e0SVikas Chaudhary ha = ddb_entry->ha; 3226c343c5e0SVikas Chaudhary 3227c343c5e0SVikas Chaudhary DEBUG2(ql4_printk(KERN_INFO, ha, "%s: sid = %d, cid = %d\n", __func__, 3228c343c5e0SVikas Chaudhary cls_session->sid, cls_conn->cid)); 3229b3a271a9SManish Rangankar 3230b3a271a9SManish Rangankar if (iscsi_conn_bind(cls_session, cls_conn, is_leading)) 3231b3a271a9SManish Rangankar return -EINVAL; 3232b3a271a9SManish Rangankar ep = iscsi_lookup_endpoint(transport_fd); 3233fba1bdd2SKangjie Lu if (!ep) 3234fba1bdd2SKangjie Lu return -EINVAL; 3235b3a271a9SManish Rangankar conn = cls_conn->dd_data; 3236b3a271a9SManish Rangankar qla_conn = conn->dd_data; 3237b3a271a9SManish Rangankar qla_conn->qla_ep = ep->dd_data; 3238*9e5fe170SMike Christie iscsi_put_endpoint(ep); 3239b3a271a9SManish Rangankar return 0; 3240b3a271a9SManish Rangankar } 3241b3a271a9SManish Rangankar 3242b3a271a9SManish Rangankar static int qla4xxx_conn_start(struct iscsi_cls_conn *cls_conn) 3243b3a271a9SManish Rangankar { 3244b3a271a9SManish Rangankar struct iscsi_cls_session *cls_sess = iscsi_conn_to_session(cls_conn); 3245b3a271a9SManish Rangankar struct iscsi_session *sess; 3246b3a271a9SManish Rangankar struct ddb_entry *ddb_entry; 3247b3a271a9SManish Rangankar struct scsi_qla_host *ha; 324813483730SMike Christie struct dev_db_entry *fw_ddb_entry = NULL; 3249b3a271a9SManish Rangankar dma_addr_t fw_ddb_entry_dma; 3250b3a271a9SManish Rangankar uint32_t mbx_sts = 0; 3251b3a271a9SManish Rangankar int ret = 0; 3252b3a271a9SManish Rangankar int status = QLA_SUCCESS; 3253b3a271a9SManish Rangankar 3254b3a271a9SManish Rangankar sess = cls_sess->dd_data; 3255b3a271a9SManish Rangankar ddb_entry = sess->dd_data; 3256b3a271a9SManish Rangankar ha = ddb_entry->ha; 3257c343c5e0SVikas Chaudhary DEBUG2(ql4_printk(KERN_INFO, ha, "%s: sid = %d, cid = %d\n", __func__, 3258c343c5e0SVikas Chaudhary cls_sess->sid, cls_conn->cid)); 3259b3a271a9SManish Rangankar 326013483730SMike Christie /* Check if we have matching FW DDB, if yes then do not 326113483730SMike Christie * login to this target. This could cause target to logout previous 326213483730SMike Christie * connection 326313483730SMike Christie */ 326413483730SMike Christie ret = qla4xxx_match_fwdb_session(ha, cls_conn); 326513483730SMike Christie if (ret == QLA_SUCCESS) { 326613483730SMike Christie ql4_printk(KERN_INFO, ha, 326713483730SMike Christie "Session already exist in FW.\n"); 326813483730SMike Christie ret = -EEXIST; 326913483730SMike Christie goto exit_conn_start; 327013483730SMike Christie } 327113483730SMike Christie 3272b3a271a9SManish Rangankar fw_ddb_entry = dma_alloc_coherent(&ha->pdev->dev, sizeof(*fw_ddb_entry), 3273b3a271a9SManish Rangankar &fw_ddb_entry_dma, GFP_KERNEL); 3274b3a271a9SManish Rangankar if (!fw_ddb_entry) { 3275b3a271a9SManish Rangankar ql4_printk(KERN_ERR, ha, 3276b3a271a9SManish Rangankar "%s: Unable to allocate dma buffer\n", __func__); 327713483730SMike Christie ret = -ENOMEM; 327813483730SMike Christie goto exit_conn_start; 3279b3a271a9SManish Rangankar } 3280b3a271a9SManish Rangankar 3281b3a271a9SManish Rangankar ret = qla4xxx_set_param_ddbentry(ha, ddb_entry, cls_conn, &mbx_sts); 3282b3a271a9SManish Rangankar if (ret) { 3283b3a271a9SManish Rangankar /* If iscsid is stopped and started then no need to do 3284b3a271a9SManish Rangankar * set param again since ddb state will be already 3285b3a271a9SManish Rangankar * active and FW does not allow set ddb to an 3286b3a271a9SManish Rangankar * active session. 3287b3a271a9SManish Rangankar */ 3288b3a271a9SManish Rangankar if (mbx_sts) 3289b3a271a9SManish Rangankar if (ddb_entry->fw_ddb_device_state == 3290f922da79SManish Rangankar DDB_DS_SESSION_ACTIVE) { 329113483730SMike Christie ddb_entry->unblock_sess(ddb_entry->sess); 3292b3a271a9SManish Rangankar goto exit_set_param; 3293f922da79SManish Rangankar } 3294b3a271a9SManish Rangankar 3295b3a271a9SManish Rangankar ql4_printk(KERN_ERR, ha, "%s: Failed set param for index[%d]\n", 3296b3a271a9SManish Rangankar __func__, ddb_entry->fw_ddb_index); 3297b3a271a9SManish Rangankar goto exit_conn_start; 3298b3a271a9SManish Rangankar } 3299b3a271a9SManish Rangankar 3300b3a271a9SManish Rangankar status = qla4xxx_conn_open(ha, ddb_entry->fw_ddb_index); 3301b3a271a9SManish Rangankar if (status == QLA_ERROR) { 33020e7e8501SManish Rangankar ql4_printk(KERN_ERR, ha, "%s: Login failed: %s\n", __func__, 33030e7e8501SManish Rangankar sess->targetname); 3304b3a271a9SManish Rangankar ret = -EINVAL; 3305b3a271a9SManish Rangankar goto exit_conn_start; 3306b3a271a9SManish Rangankar } 3307b3a271a9SManish Rangankar 330898270ab4SManish Rangankar if (ddb_entry->fw_ddb_device_state == DDB_DS_NO_CONNECTION_ACTIVE) 3309b3a271a9SManish Rangankar ddb_entry->fw_ddb_device_state = DDB_DS_LOGIN_IN_PROCESS; 3310b3a271a9SManish Rangankar 331198270ab4SManish Rangankar DEBUG2(printk(KERN_INFO "%s: DDB state [%d]\n", __func__, 331298270ab4SManish Rangankar ddb_entry->fw_ddb_device_state)); 331398270ab4SManish Rangankar 3314b3a271a9SManish Rangankar exit_set_param: 3315b3a271a9SManish Rangankar ret = 0; 3316b3a271a9SManish Rangankar 3317b3a271a9SManish Rangankar exit_conn_start: 331813483730SMike Christie if (fw_ddb_entry) 3319b3a271a9SManish Rangankar dma_free_coherent(&ha->pdev->dev, sizeof(*fw_ddb_entry), 3320b3a271a9SManish Rangankar fw_ddb_entry, fw_ddb_entry_dma); 3321b3a271a9SManish Rangankar return ret; 3322b3a271a9SManish Rangankar } 3323b3a271a9SManish Rangankar 3324b3a271a9SManish Rangankar static void qla4xxx_conn_destroy(struct iscsi_cls_conn *cls_conn) 3325b3a271a9SManish Rangankar { 3326b3a271a9SManish Rangankar struct iscsi_cls_session *cls_sess = iscsi_conn_to_session(cls_conn); 3327b3a271a9SManish Rangankar struct iscsi_session *sess; 3328b3a271a9SManish Rangankar struct scsi_qla_host *ha; 3329b3a271a9SManish Rangankar struct ddb_entry *ddb_entry; 3330b3a271a9SManish Rangankar int options; 3331b3a271a9SManish Rangankar 3332b3a271a9SManish Rangankar sess = cls_sess->dd_data; 3333b3a271a9SManish Rangankar ddb_entry = sess->dd_data; 3334b3a271a9SManish Rangankar ha = ddb_entry->ha; 3335c343c5e0SVikas Chaudhary DEBUG2(ql4_printk(KERN_INFO, ha, "%s: cid = %d\n", __func__, 3336c343c5e0SVikas Chaudhary cls_conn->cid)); 3337b3a271a9SManish Rangankar 3338b3a271a9SManish Rangankar options = LOGOUT_OPTION_CLOSE_SESSION; 3339b3a271a9SManish Rangankar if (qla4xxx_session_logout_ddb(ha, ddb_entry, options) == QLA_ERROR) 3340b3a271a9SManish Rangankar ql4_printk(KERN_ERR, ha, "%s: Logout failed\n", __func__); 3341b3a271a9SManish Rangankar } 3342b3a271a9SManish Rangankar 3343b3a271a9SManish Rangankar static void qla4xxx_task_work(struct work_struct *wdata) 3344b3a271a9SManish Rangankar { 3345b3a271a9SManish Rangankar struct ql4_task_data *task_data; 3346b3a271a9SManish Rangankar struct scsi_qla_host *ha; 3347b3a271a9SManish Rangankar struct passthru_status *sts; 3348b3a271a9SManish Rangankar struct iscsi_task *task; 3349b3a271a9SManish Rangankar struct iscsi_hdr *hdr; 3350b3a271a9SManish Rangankar uint8_t *data; 3351b3a271a9SManish Rangankar uint32_t data_len; 3352b3a271a9SManish Rangankar struct iscsi_conn *conn; 3353b3a271a9SManish Rangankar int hdr_len; 3354b3a271a9SManish Rangankar itt_t itt; 3355b3a271a9SManish Rangankar 3356b3a271a9SManish Rangankar task_data = container_of(wdata, struct ql4_task_data, task_work); 3357b3a271a9SManish Rangankar ha = task_data->ha; 3358b3a271a9SManish Rangankar task = task_data->task; 3359b3a271a9SManish Rangankar sts = &task_data->sts; 3360b3a271a9SManish Rangankar hdr_len = sizeof(struct iscsi_hdr); 3361b3a271a9SManish Rangankar 3362b3a271a9SManish Rangankar DEBUG3(printk(KERN_INFO "Status returned\n")); 3363b3a271a9SManish Rangankar DEBUG3(qla4xxx_dump_buffer(sts, 64)); 3364b3a271a9SManish Rangankar DEBUG3(printk(KERN_INFO "Response buffer")); 3365b3a271a9SManish Rangankar DEBUG3(qla4xxx_dump_buffer(task_data->resp_buffer, 64)); 3366b3a271a9SManish Rangankar 3367b3a271a9SManish Rangankar conn = task->conn; 3368b3a271a9SManish Rangankar 3369b3a271a9SManish Rangankar switch (sts->completionStatus) { 3370b3a271a9SManish Rangankar case PASSTHRU_STATUS_COMPLETE: 3371b3a271a9SManish Rangankar hdr = (struct iscsi_hdr *)task_data->resp_buffer; 3372b3a271a9SManish Rangankar /* Assign back the itt in hdr, until we use the PREASSIGN_TAG */ 3373b3a271a9SManish Rangankar itt = sts->handle; 3374b3a271a9SManish Rangankar hdr->itt = itt; 3375b3a271a9SManish Rangankar data = task_data->resp_buffer + hdr_len; 3376b3a271a9SManish Rangankar data_len = task_data->resp_len - hdr_len; 3377b3a271a9SManish Rangankar iscsi_complete_pdu(conn, hdr, data, data_len); 3378b3a271a9SManish Rangankar break; 3379b3a271a9SManish Rangankar default: 3380b3a271a9SManish Rangankar ql4_printk(KERN_ERR, ha, "Passthru failed status = 0x%x\n", 3381b3a271a9SManish Rangankar sts->completionStatus); 3382b3a271a9SManish Rangankar break; 3383b3a271a9SManish Rangankar } 3384b3a271a9SManish Rangankar return; 3385b3a271a9SManish Rangankar } 3386b3a271a9SManish Rangankar 3387b3a271a9SManish Rangankar static int qla4xxx_alloc_pdu(struct iscsi_task *task, uint8_t opcode) 3388b3a271a9SManish Rangankar { 3389b3a271a9SManish Rangankar struct ql4_task_data *task_data; 3390b3a271a9SManish Rangankar struct iscsi_session *sess; 3391b3a271a9SManish Rangankar struct ddb_entry *ddb_entry; 3392b3a271a9SManish Rangankar struct scsi_qla_host *ha; 3393b3a271a9SManish Rangankar int hdr_len; 3394b3a271a9SManish Rangankar 3395b3a271a9SManish Rangankar sess = task->conn->session; 3396b3a271a9SManish Rangankar ddb_entry = sess->dd_data; 3397b3a271a9SManish Rangankar ha = ddb_entry->ha; 3398b3a271a9SManish Rangankar task_data = task->dd_data; 3399b3a271a9SManish Rangankar memset(task_data, 0, sizeof(struct ql4_task_data)); 3400b3a271a9SManish Rangankar 3401b3a271a9SManish Rangankar if (task->sc) { 3402b3a271a9SManish Rangankar ql4_printk(KERN_INFO, ha, 3403b3a271a9SManish Rangankar "%s: SCSI Commands not implemented\n", __func__); 3404b3a271a9SManish Rangankar return -EINVAL; 3405b3a271a9SManish Rangankar } 3406b3a271a9SManish Rangankar 3407b3a271a9SManish Rangankar hdr_len = sizeof(struct iscsi_hdr); 3408b3a271a9SManish Rangankar task_data->ha = ha; 3409b3a271a9SManish Rangankar task_data->task = task; 3410b3a271a9SManish Rangankar 3411b3a271a9SManish Rangankar if (task->data_count) { 3412b3a271a9SManish Rangankar task_data->data_dma = dma_map_single(&ha->pdev->dev, task->data, 3413b3a271a9SManish Rangankar task->data_count, 3414ec44a676SChristoph Hellwig DMA_TO_DEVICE); 3415b3a271a9SManish Rangankar } 3416b3a271a9SManish Rangankar 3417b3a271a9SManish Rangankar DEBUG2(ql4_printk(KERN_INFO, ha, "%s: MaxRecvLen %u, iscsi hrd %d\n", 3418b3a271a9SManish Rangankar __func__, task->conn->max_recv_dlength, hdr_len)); 3419b3a271a9SManish Rangankar 342069ca216eSManish Rangankar task_data->resp_len = task->conn->max_recv_dlength + hdr_len; 3421b3a271a9SManish Rangankar task_data->resp_buffer = dma_alloc_coherent(&ha->pdev->dev, 3422b3a271a9SManish Rangankar task_data->resp_len, 3423b3a271a9SManish Rangankar &task_data->resp_dma, 3424b3a271a9SManish Rangankar GFP_ATOMIC); 3425b3a271a9SManish Rangankar if (!task_data->resp_buffer) 3426b3a271a9SManish Rangankar goto exit_alloc_pdu; 3427b3a271a9SManish Rangankar 342869ca216eSManish Rangankar task_data->req_len = task->data_count + hdr_len; 3429b3a271a9SManish Rangankar task_data->req_buffer = dma_alloc_coherent(&ha->pdev->dev, 343069ca216eSManish Rangankar task_data->req_len, 3431b3a271a9SManish Rangankar &task_data->req_dma, 3432b3a271a9SManish Rangankar GFP_ATOMIC); 3433b3a271a9SManish Rangankar if (!task_data->req_buffer) 3434b3a271a9SManish Rangankar goto exit_alloc_pdu; 3435b3a271a9SManish Rangankar 3436b3a271a9SManish Rangankar task->hdr = task_data->req_buffer; 3437b3a271a9SManish Rangankar 3438b3a271a9SManish Rangankar INIT_WORK(&task_data->task_work, qla4xxx_task_work); 3439b3a271a9SManish Rangankar 3440b3a271a9SManish Rangankar return 0; 3441b3a271a9SManish Rangankar 3442b3a271a9SManish Rangankar exit_alloc_pdu: 3443b3a271a9SManish Rangankar if (task_data->resp_buffer) 3444b3a271a9SManish Rangankar dma_free_coherent(&ha->pdev->dev, task_data->resp_len, 3445b3a271a9SManish Rangankar task_data->resp_buffer, task_data->resp_dma); 3446b3a271a9SManish Rangankar 3447b3a271a9SManish Rangankar if (task_data->req_buffer) 344869ca216eSManish Rangankar dma_free_coherent(&ha->pdev->dev, task_data->req_len, 3449b3a271a9SManish Rangankar task_data->req_buffer, task_data->req_dma); 3450b3a271a9SManish Rangankar return -ENOMEM; 3451b3a271a9SManish Rangankar } 3452b3a271a9SManish Rangankar 3453b3a271a9SManish Rangankar static void qla4xxx_task_cleanup(struct iscsi_task *task) 3454b3a271a9SManish Rangankar { 3455b3a271a9SManish Rangankar struct ql4_task_data *task_data; 3456b3a271a9SManish Rangankar struct iscsi_session *sess; 3457b3a271a9SManish Rangankar struct ddb_entry *ddb_entry; 3458b3a271a9SManish Rangankar struct scsi_qla_host *ha; 3459b3a271a9SManish Rangankar int hdr_len; 3460b3a271a9SManish Rangankar 3461b3a271a9SManish Rangankar hdr_len = sizeof(struct iscsi_hdr); 3462b3a271a9SManish Rangankar sess = task->conn->session; 3463b3a271a9SManish Rangankar ddb_entry = sess->dd_data; 3464b3a271a9SManish Rangankar ha = ddb_entry->ha; 3465b3a271a9SManish Rangankar task_data = task->dd_data; 3466b3a271a9SManish Rangankar 3467b3a271a9SManish Rangankar if (task->data_count) { 3468b3a271a9SManish Rangankar dma_unmap_single(&ha->pdev->dev, task_data->data_dma, 3469ec44a676SChristoph Hellwig task->data_count, DMA_TO_DEVICE); 3470b3a271a9SManish Rangankar } 3471b3a271a9SManish Rangankar 3472b3a271a9SManish Rangankar DEBUG2(ql4_printk(KERN_INFO, ha, "%s: MaxRecvLen %u, iscsi hrd %d\n", 3473b3a271a9SManish Rangankar __func__, task->conn->max_recv_dlength, hdr_len)); 3474b3a271a9SManish Rangankar 3475b3a271a9SManish Rangankar dma_free_coherent(&ha->pdev->dev, task_data->resp_len, 3476b3a271a9SManish Rangankar task_data->resp_buffer, task_data->resp_dma); 347769ca216eSManish Rangankar dma_free_coherent(&ha->pdev->dev, task_data->req_len, 3478b3a271a9SManish Rangankar task_data->req_buffer, task_data->req_dma); 3479b3a271a9SManish Rangankar return; 3480b3a271a9SManish Rangankar } 3481b3a271a9SManish Rangankar 3482b3a271a9SManish Rangankar static int qla4xxx_task_xmit(struct iscsi_task *task) 3483b3a271a9SManish Rangankar { 3484b3a271a9SManish Rangankar struct scsi_cmnd *sc = task->sc; 3485b3a271a9SManish Rangankar struct iscsi_session *sess = task->conn->session; 3486b3a271a9SManish Rangankar struct ddb_entry *ddb_entry = sess->dd_data; 3487b3a271a9SManish Rangankar struct scsi_qla_host *ha = ddb_entry->ha; 3488b3a271a9SManish Rangankar 3489b3a271a9SManish Rangankar if (!sc) 3490b3a271a9SManish Rangankar return qla4xxx_send_passthru0(task); 3491b3a271a9SManish Rangankar 3492b3a271a9SManish Rangankar ql4_printk(KERN_INFO, ha, "%s: scsi cmd xmit not implemented\n", 3493b3a271a9SManish Rangankar __func__); 3494b3a271a9SManish Rangankar return -ENOSYS; 3495b3a271a9SManish Rangankar } 3496b3a271a9SManish Rangankar 34971e9e2be3SAdheer Chandravanshi static int qla4xxx_copy_from_fwddb_param(struct iscsi_bus_flash_session *sess, 34981e9e2be3SAdheer Chandravanshi struct iscsi_bus_flash_conn *conn, 34991e9e2be3SAdheer Chandravanshi struct dev_db_entry *fw_ddb_entry) 35001e9e2be3SAdheer Chandravanshi { 35011e9e2be3SAdheer Chandravanshi unsigned long options = 0; 35021e9e2be3SAdheer Chandravanshi int rc = 0; 35031e9e2be3SAdheer Chandravanshi 35041e9e2be3SAdheer Chandravanshi options = le16_to_cpu(fw_ddb_entry->options); 35051e9e2be3SAdheer Chandravanshi conn->is_fw_assigned_ipv6 = test_bit(OPT_IS_FW_ASSIGNED_IPV6, &options); 35061e9e2be3SAdheer Chandravanshi if (test_bit(OPT_IPV6_DEVICE, &options)) { 3507c962c18bSAdheer Chandravanshi rc = iscsi_switch_str_param(&sess->portal_type, 3508c962c18bSAdheer Chandravanshi PORTAL_TYPE_IPV6); 35091e9e2be3SAdheer Chandravanshi if (rc) 35101e9e2be3SAdheer Chandravanshi goto exit_copy; 35111e9e2be3SAdheer Chandravanshi } else { 3512c962c18bSAdheer Chandravanshi rc = iscsi_switch_str_param(&sess->portal_type, 3513c962c18bSAdheer Chandravanshi PORTAL_TYPE_IPV4); 35141e9e2be3SAdheer Chandravanshi if (rc) 35151e9e2be3SAdheer Chandravanshi goto exit_copy; 35161e9e2be3SAdheer Chandravanshi } 35171e9e2be3SAdheer Chandravanshi 35181e9e2be3SAdheer Chandravanshi sess->auto_snd_tgt_disable = test_bit(OPT_AUTO_SENDTGTS_DISABLE, 35191e9e2be3SAdheer Chandravanshi &options); 35201e9e2be3SAdheer Chandravanshi sess->discovery_sess = test_bit(OPT_DISC_SESSION, &options); 35211e9e2be3SAdheer Chandravanshi sess->entry_state = test_bit(OPT_ENTRY_STATE, &options); 35221e9e2be3SAdheer Chandravanshi 35231e9e2be3SAdheer Chandravanshi options = le16_to_cpu(fw_ddb_entry->iscsi_options); 35241e9e2be3SAdheer Chandravanshi conn->hdrdgst_en = test_bit(ISCSIOPT_HEADER_DIGEST_EN, &options); 35251e9e2be3SAdheer Chandravanshi conn->datadgst_en = test_bit(ISCSIOPT_DATA_DIGEST_EN, &options); 35261e9e2be3SAdheer Chandravanshi sess->imm_data_en = test_bit(ISCSIOPT_IMMEDIATE_DATA_EN, &options); 35271e9e2be3SAdheer Chandravanshi sess->initial_r2t_en = test_bit(ISCSIOPT_INITIAL_R2T_EN, &options); 35281e9e2be3SAdheer Chandravanshi sess->dataseq_inorder_en = test_bit(ISCSIOPT_DATA_SEQ_IN_ORDER, 35291e9e2be3SAdheer Chandravanshi &options); 35301e9e2be3SAdheer Chandravanshi sess->pdu_inorder_en = test_bit(ISCSIOPT_DATA_PDU_IN_ORDER, &options); 35311e9e2be3SAdheer Chandravanshi sess->chap_auth_en = test_bit(ISCSIOPT_CHAP_AUTH_EN, &options); 35321e9e2be3SAdheer Chandravanshi conn->snack_req_en = test_bit(ISCSIOPT_SNACK_REQ_EN, &options); 35331e9e2be3SAdheer Chandravanshi sess->discovery_logout_en = test_bit(ISCSIOPT_DISCOVERY_LOGOUT_EN, 35341e9e2be3SAdheer Chandravanshi &options); 35351e9e2be3SAdheer Chandravanshi sess->bidi_chap_en = test_bit(ISCSIOPT_BIDI_CHAP_EN, &options); 35361e9e2be3SAdheer Chandravanshi sess->discovery_auth_optional = 35371e9e2be3SAdheer Chandravanshi test_bit(ISCSIOPT_DISCOVERY_AUTH_OPTIONAL, &options); 35381e9e2be3SAdheer Chandravanshi if (test_bit(ISCSIOPT_ERL1, &options)) 35391e9e2be3SAdheer Chandravanshi sess->erl |= BIT_1; 35401e9e2be3SAdheer Chandravanshi if (test_bit(ISCSIOPT_ERL0, &options)) 35411e9e2be3SAdheer Chandravanshi sess->erl |= BIT_0; 35421e9e2be3SAdheer Chandravanshi 35431e9e2be3SAdheer Chandravanshi options = le16_to_cpu(fw_ddb_entry->tcp_options); 35441e9e2be3SAdheer Chandravanshi conn->tcp_timestamp_stat = test_bit(TCPOPT_TIMESTAMP_STAT, &options); 35451e9e2be3SAdheer Chandravanshi conn->tcp_nagle_disable = test_bit(TCPOPT_NAGLE_DISABLE, &options); 35461e9e2be3SAdheer Chandravanshi conn->tcp_wsf_disable = test_bit(TCPOPT_WSF_DISABLE, &options); 35471e9e2be3SAdheer Chandravanshi if (test_bit(TCPOPT_TIMER_SCALE3, &options)) 35481e9e2be3SAdheer Chandravanshi conn->tcp_timer_scale |= BIT_3; 35491e9e2be3SAdheer Chandravanshi if (test_bit(TCPOPT_TIMER_SCALE2, &options)) 35501e9e2be3SAdheer Chandravanshi conn->tcp_timer_scale |= BIT_2; 35511e9e2be3SAdheer Chandravanshi if (test_bit(TCPOPT_TIMER_SCALE1, &options)) 35521e9e2be3SAdheer Chandravanshi conn->tcp_timer_scale |= BIT_1; 35531e9e2be3SAdheer Chandravanshi 35541e9e2be3SAdheer Chandravanshi conn->tcp_timer_scale >>= 1; 35551e9e2be3SAdheer Chandravanshi conn->tcp_timestamp_en = test_bit(TCPOPT_TIMESTAMP_EN, &options); 35561e9e2be3SAdheer Chandravanshi 35571e9e2be3SAdheer Chandravanshi options = le16_to_cpu(fw_ddb_entry->ip_options); 35581e9e2be3SAdheer Chandravanshi conn->fragment_disable = test_bit(IPOPT_FRAGMENT_DISABLE, &options); 35591e9e2be3SAdheer Chandravanshi 35601e9e2be3SAdheer Chandravanshi conn->max_recv_dlength = BYTE_UNITS * 35611e9e2be3SAdheer Chandravanshi le16_to_cpu(fw_ddb_entry->iscsi_max_rcv_data_seg_len); 35621e9e2be3SAdheer Chandravanshi conn->max_xmit_dlength = BYTE_UNITS * 35631e9e2be3SAdheer Chandravanshi le16_to_cpu(fw_ddb_entry->iscsi_max_snd_data_seg_len); 35641e9e2be3SAdheer Chandravanshi sess->first_burst = BYTE_UNITS * 35651e9e2be3SAdheer Chandravanshi le16_to_cpu(fw_ddb_entry->iscsi_first_burst_len); 35661e9e2be3SAdheer Chandravanshi sess->max_burst = BYTE_UNITS * 35671e9e2be3SAdheer Chandravanshi le16_to_cpu(fw_ddb_entry->iscsi_max_burst_len); 35681e9e2be3SAdheer Chandravanshi sess->max_r2t = le16_to_cpu(fw_ddb_entry->iscsi_max_outsnd_r2t); 35691e9e2be3SAdheer Chandravanshi sess->time2wait = le16_to_cpu(fw_ddb_entry->iscsi_def_time2wait); 35701e9e2be3SAdheer Chandravanshi sess->time2retain = le16_to_cpu(fw_ddb_entry->iscsi_def_time2retain); 35711e9e2be3SAdheer Chandravanshi sess->tpgt = le32_to_cpu(fw_ddb_entry->tgt_portal_grp); 35721e9e2be3SAdheer Chandravanshi conn->max_segment_size = le16_to_cpu(fw_ddb_entry->mss); 35731e9e2be3SAdheer Chandravanshi conn->tcp_xmit_wsf = fw_ddb_entry->tcp_xmt_wsf; 35741e9e2be3SAdheer Chandravanshi conn->tcp_recv_wsf = fw_ddb_entry->tcp_rcv_wsf; 35751e9e2be3SAdheer Chandravanshi conn->ipv6_flow_label = le16_to_cpu(fw_ddb_entry->ipv6_flow_lbl); 35761e9e2be3SAdheer Chandravanshi conn->keepalive_timeout = le16_to_cpu(fw_ddb_entry->ka_timeout); 35771e9e2be3SAdheer Chandravanshi conn->local_port = le16_to_cpu(fw_ddb_entry->lcl_port); 35781e9e2be3SAdheer Chandravanshi conn->statsn = le32_to_cpu(fw_ddb_entry->stat_sn); 35791e9e2be3SAdheer Chandravanshi conn->exp_statsn = le32_to_cpu(fw_ddb_entry->exp_stat_sn); 35801e9e2be3SAdheer Chandravanshi sess->discovery_parent_idx = le16_to_cpu(fw_ddb_entry->ddb_link); 35811e9e2be3SAdheer Chandravanshi sess->discovery_parent_type = le16_to_cpu(fw_ddb_entry->ddb_link); 35821e9e2be3SAdheer Chandravanshi sess->chap_out_idx = le16_to_cpu(fw_ddb_entry->chap_tbl_idx); 35831e9e2be3SAdheer Chandravanshi sess->tsid = le16_to_cpu(fw_ddb_entry->tsid); 35841e9e2be3SAdheer Chandravanshi 35851e9e2be3SAdheer Chandravanshi sess->default_taskmgmt_timeout = 35861e9e2be3SAdheer Chandravanshi le16_to_cpu(fw_ddb_entry->def_timeout); 35871e9e2be3SAdheer Chandravanshi conn->port = le16_to_cpu(fw_ddb_entry->port); 35881e9e2be3SAdheer Chandravanshi 35891e9e2be3SAdheer Chandravanshi options = le16_to_cpu(fw_ddb_entry->options); 35901e9e2be3SAdheer Chandravanshi conn->ipaddress = kzalloc(IPv6_ADDR_LEN, GFP_KERNEL); 35911e9e2be3SAdheer Chandravanshi if (!conn->ipaddress) { 35921e9e2be3SAdheer Chandravanshi rc = -ENOMEM; 35931e9e2be3SAdheer Chandravanshi goto exit_copy; 35941e9e2be3SAdheer Chandravanshi } 35951e9e2be3SAdheer Chandravanshi 35961e9e2be3SAdheer Chandravanshi conn->redirect_ipaddr = kzalloc(IPv6_ADDR_LEN, GFP_KERNEL); 35971e9e2be3SAdheer Chandravanshi if (!conn->redirect_ipaddr) { 35981e9e2be3SAdheer Chandravanshi rc = -ENOMEM; 35991e9e2be3SAdheer Chandravanshi goto exit_copy; 36001e9e2be3SAdheer Chandravanshi } 36011e9e2be3SAdheer Chandravanshi 36021e9e2be3SAdheer Chandravanshi memcpy(conn->ipaddress, fw_ddb_entry->ip_addr, IPv6_ADDR_LEN); 36031e9e2be3SAdheer Chandravanshi memcpy(conn->redirect_ipaddr, fw_ddb_entry->tgt_addr, IPv6_ADDR_LEN); 36041e9e2be3SAdheer Chandravanshi 36051e9e2be3SAdheer Chandravanshi if (test_bit(OPT_IPV6_DEVICE, &options)) { 36061e9e2be3SAdheer Chandravanshi conn->ipv6_traffic_class = fw_ddb_entry->ipv4_tos; 36071e9e2be3SAdheer Chandravanshi 36083d30b439SBenoit Taine conn->link_local_ipv6_addr = kmemdup( 36093d30b439SBenoit Taine fw_ddb_entry->link_local_ipv6_addr, 36103d30b439SBenoit Taine IPv6_ADDR_LEN, GFP_KERNEL); 36111e9e2be3SAdheer Chandravanshi if (!conn->link_local_ipv6_addr) { 36121e9e2be3SAdheer Chandravanshi rc = -ENOMEM; 36131e9e2be3SAdheer Chandravanshi goto exit_copy; 36141e9e2be3SAdheer Chandravanshi } 36151e9e2be3SAdheer Chandravanshi } else { 36161e9e2be3SAdheer Chandravanshi conn->ipv4_tos = fw_ddb_entry->ipv4_tos; 36171e9e2be3SAdheer Chandravanshi } 36181e9e2be3SAdheer Chandravanshi 36191e9e2be3SAdheer Chandravanshi if (fw_ddb_entry->iscsi_name[0]) { 36201e9e2be3SAdheer Chandravanshi rc = iscsi_switch_str_param(&sess->targetname, 36211e9e2be3SAdheer Chandravanshi (char *)fw_ddb_entry->iscsi_name); 36221e9e2be3SAdheer Chandravanshi if (rc) 36231e9e2be3SAdheer Chandravanshi goto exit_copy; 36241e9e2be3SAdheer Chandravanshi } 36251e9e2be3SAdheer Chandravanshi 36261e9e2be3SAdheer Chandravanshi if (fw_ddb_entry->iscsi_alias[0]) { 36271e9e2be3SAdheer Chandravanshi rc = iscsi_switch_str_param(&sess->targetalias, 36281e9e2be3SAdheer Chandravanshi (char *)fw_ddb_entry->iscsi_alias); 36291e9e2be3SAdheer Chandravanshi if (rc) 36301e9e2be3SAdheer Chandravanshi goto exit_copy; 36311e9e2be3SAdheer Chandravanshi } 36321e9e2be3SAdheer Chandravanshi 36331e9e2be3SAdheer Chandravanshi COPY_ISID(sess->isid, fw_ddb_entry->isid); 36341e9e2be3SAdheer Chandravanshi 36351e9e2be3SAdheer Chandravanshi exit_copy: 36361e9e2be3SAdheer Chandravanshi return rc; 36371e9e2be3SAdheer Chandravanshi } 36381e9e2be3SAdheer Chandravanshi 36391e9e2be3SAdheer Chandravanshi static int qla4xxx_copy_to_fwddb_param(struct iscsi_bus_flash_session *sess, 36401e9e2be3SAdheer Chandravanshi struct iscsi_bus_flash_conn *conn, 36411e9e2be3SAdheer Chandravanshi struct dev_db_entry *fw_ddb_entry) 36421e9e2be3SAdheer Chandravanshi { 36431e9e2be3SAdheer Chandravanshi uint16_t options; 36441e9e2be3SAdheer Chandravanshi int rc = 0; 36451e9e2be3SAdheer Chandravanshi 36461e9e2be3SAdheer Chandravanshi options = le16_to_cpu(fw_ddb_entry->options); 36471e9e2be3SAdheer Chandravanshi SET_BITVAL(conn->is_fw_assigned_ipv6, options, BIT_11); 3648c962c18bSAdheer Chandravanshi if (!strncmp(sess->portal_type, PORTAL_TYPE_IPV6, 4)) 36491e9e2be3SAdheer Chandravanshi options |= BIT_8; 36501e9e2be3SAdheer Chandravanshi else 36511e9e2be3SAdheer Chandravanshi options &= ~BIT_8; 36521e9e2be3SAdheer Chandravanshi 36531e9e2be3SAdheer Chandravanshi SET_BITVAL(sess->auto_snd_tgt_disable, options, BIT_6); 36541e9e2be3SAdheer Chandravanshi SET_BITVAL(sess->discovery_sess, options, BIT_4); 36551e9e2be3SAdheer Chandravanshi SET_BITVAL(sess->entry_state, options, BIT_3); 36561e9e2be3SAdheer Chandravanshi fw_ddb_entry->options = cpu_to_le16(options); 36571e9e2be3SAdheer Chandravanshi 36581e9e2be3SAdheer Chandravanshi options = le16_to_cpu(fw_ddb_entry->iscsi_options); 36591e9e2be3SAdheer Chandravanshi SET_BITVAL(conn->hdrdgst_en, options, BIT_13); 36601e9e2be3SAdheer Chandravanshi SET_BITVAL(conn->datadgst_en, options, BIT_12); 36611e9e2be3SAdheer Chandravanshi SET_BITVAL(sess->imm_data_en, options, BIT_11); 36621e9e2be3SAdheer Chandravanshi SET_BITVAL(sess->initial_r2t_en, options, BIT_10); 36631e9e2be3SAdheer Chandravanshi SET_BITVAL(sess->dataseq_inorder_en, options, BIT_9); 36641e9e2be3SAdheer Chandravanshi SET_BITVAL(sess->pdu_inorder_en, options, BIT_8); 36651e9e2be3SAdheer Chandravanshi SET_BITVAL(sess->chap_auth_en, options, BIT_7); 36661e9e2be3SAdheer Chandravanshi SET_BITVAL(conn->snack_req_en, options, BIT_6); 36671e9e2be3SAdheer Chandravanshi SET_BITVAL(sess->discovery_logout_en, options, BIT_5); 36681e9e2be3SAdheer Chandravanshi SET_BITVAL(sess->bidi_chap_en, options, BIT_4); 36691e9e2be3SAdheer Chandravanshi SET_BITVAL(sess->discovery_auth_optional, options, BIT_3); 36701e9e2be3SAdheer Chandravanshi SET_BITVAL(sess->erl & BIT_1, options, BIT_1); 36711e9e2be3SAdheer Chandravanshi SET_BITVAL(sess->erl & BIT_0, options, BIT_0); 36721e9e2be3SAdheer Chandravanshi fw_ddb_entry->iscsi_options = cpu_to_le16(options); 36731e9e2be3SAdheer Chandravanshi 36741e9e2be3SAdheer Chandravanshi options = le16_to_cpu(fw_ddb_entry->tcp_options); 36751e9e2be3SAdheer Chandravanshi SET_BITVAL(conn->tcp_timestamp_stat, options, BIT_6); 36761e9e2be3SAdheer Chandravanshi SET_BITVAL(conn->tcp_nagle_disable, options, BIT_5); 36771e9e2be3SAdheer Chandravanshi SET_BITVAL(conn->tcp_wsf_disable, options, BIT_4); 36781e9e2be3SAdheer Chandravanshi SET_BITVAL(conn->tcp_timer_scale & BIT_2, options, BIT_3); 36791e9e2be3SAdheer Chandravanshi SET_BITVAL(conn->tcp_timer_scale & BIT_1, options, BIT_2); 36801e9e2be3SAdheer Chandravanshi SET_BITVAL(conn->tcp_timer_scale & BIT_0, options, BIT_1); 36811e9e2be3SAdheer Chandravanshi SET_BITVAL(conn->tcp_timestamp_en, options, BIT_0); 36821e9e2be3SAdheer Chandravanshi fw_ddb_entry->tcp_options = cpu_to_le16(options); 36831e9e2be3SAdheer Chandravanshi 36841e9e2be3SAdheer Chandravanshi options = le16_to_cpu(fw_ddb_entry->ip_options); 36851e9e2be3SAdheer Chandravanshi SET_BITVAL(conn->fragment_disable, options, BIT_4); 36861e9e2be3SAdheer Chandravanshi fw_ddb_entry->ip_options = cpu_to_le16(options); 36871e9e2be3SAdheer Chandravanshi 36881e9e2be3SAdheer Chandravanshi fw_ddb_entry->iscsi_max_outsnd_r2t = cpu_to_le16(sess->max_r2t); 36891e9e2be3SAdheer Chandravanshi fw_ddb_entry->iscsi_max_rcv_data_seg_len = 36901e9e2be3SAdheer Chandravanshi cpu_to_le16(conn->max_recv_dlength / BYTE_UNITS); 36911e9e2be3SAdheer Chandravanshi fw_ddb_entry->iscsi_max_snd_data_seg_len = 36921e9e2be3SAdheer Chandravanshi cpu_to_le16(conn->max_xmit_dlength / BYTE_UNITS); 36931e9e2be3SAdheer Chandravanshi fw_ddb_entry->iscsi_first_burst_len = 36941e9e2be3SAdheer Chandravanshi cpu_to_le16(sess->first_burst / BYTE_UNITS); 36951e9e2be3SAdheer Chandravanshi fw_ddb_entry->iscsi_max_burst_len = cpu_to_le16(sess->max_burst / 36961e9e2be3SAdheer Chandravanshi BYTE_UNITS); 36971e9e2be3SAdheer Chandravanshi fw_ddb_entry->iscsi_def_time2wait = cpu_to_le16(sess->time2wait); 36981e9e2be3SAdheer Chandravanshi fw_ddb_entry->iscsi_def_time2retain = cpu_to_le16(sess->time2retain); 36991e9e2be3SAdheer Chandravanshi fw_ddb_entry->tgt_portal_grp = cpu_to_le16(sess->tpgt); 37001e9e2be3SAdheer Chandravanshi fw_ddb_entry->mss = cpu_to_le16(conn->max_segment_size); 3701fbcd4836SAdheer Chandravanshi fw_ddb_entry->tcp_xmt_wsf = (uint8_t) cpu_to_le32(conn->tcp_xmit_wsf); 3702fbcd4836SAdheer Chandravanshi fw_ddb_entry->tcp_rcv_wsf = (uint8_t) cpu_to_le32(conn->tcp_recv_wsf); 37031e9e2be3SAdheer Chandravanshi fw_ddb_entry->ipv6_flow_lbl = cpu_to_le16(conn->ipv6_flow_label); 37041e9e2be3SAdheer Chandravanshi fw_ddb_entry->ka_timeout = cpu_to_le16(conn->keepalive_timeout); 37051e9e2be3SAdheer Chandravanshi fw_ddb_entry->lcl_port = cpu_to_le16(conn->local_port); 3706fbcd4836SAdheer Chandravanshi fw_ddb_entry->stat_sn = cpu_to_le32(conn->statsn); 3707fbcd4836SAdheer Chandravanshi fw_ddb_entry->exp_stat_sn = cpu_to_le32(conn->exp_statsn); 370865560166SAdheer Chandravanshi fw_ddb_entry->ddb_link = cpu_to_le16(sess->discovery_parent_idx); 37091e9e2be3SAdheer Chandravanshi fw_ddb_entry->chap_tbl_idx = cpu_to_le16(sess->chap_out_idx); 37101e9e2be3SAdheer Chandravanshi fw_ddb_entry->tsid = cpu_to_le16(sess->tsid); 37111e9e2be3SAdheer Chandravanshi fw_ddb_entry->port = cpu_to_le16(conn->port); 37121e9e2be3SAdheer Chandravanshi fw_ddb_entry->def_timeout = 37131e9e2be3SAdheer Chandravanshi cpu_to_le16(sess->default_taskmgmt_timeout); 37141e9e2be3SAdheer Chandravanshi 371584595802SAdheer Chandravanshi if (!strncmp(sess->portal_type, PORTAL_TYPE_IPV6, 4)) 371684595802SAdheer Chandravanshi fw_ddb_entry->ipv4_tos = conn->ipv6_traffic_class; 371784595802SAdheer Chandravanshi else 371884595802SAdheer Chandravanshi fw_ddb_entry->ipv4_tos = conn->ipv4_tos; 371984595802SAdheer Chandravanshi 37201e9e2be3SAdheer Chandravanshi if (conn->ipaddress) 37211e9e2be3SAdheer Chandravanshi memcpy(fw_ddb_entry->ip_addr, conn->ipaddress, 37221e9e2be3SAdheer Chandravanshi sizeof(fw_ddb_entry->ip_addr)); 37231e9e2be3SAdheer Chandravanshi 37241e9e2be3SAdheer Chandravanshi if (conn->redirect_ipaddr) 37251e9e2be3SAdheer Chandravanshi memcpy(fw_ddb_entry->tgt_addr, conn->redirect_ipaddr, 37261e9e2be3SAdheer Chandravanshi sizeof(fw_ddb_entry->tgt_addr)); 37271e9e2be3SAdheer Chandravanshi 37281e9e2be3SAdheer Chandravanshi if (conn->link_local_ipv6_addr) 37291e9e2be3SAdheer Chandravanshi memcpy(fw_ddb_entry->link_local_ipv6_addr, 37301e9e2be3SAdheer Chandravanshi conn->link_local_ipv6_addr, 37311e9e2be3SAdheer Chandravanshi sizeof(fw_ddb_entry->link_local_ipv6_addr)); 37321e9e2be3SAdheer Chandravanshi 37331e9e2be3SAdheer Chandravanshi if (sess->targetname) 37341e9e2be3SAdheer Chandravanshi memcpy(fw_ddb_entry->iscsi_name, sess->targetname, 37351e9e2be3SAdheer Chandravanshi sizeof(fw_ddb_entry->iscsi_name)); 37361e9e2be3SAdheer Chandravanshi 37371e9e2be3SAdheer Chandravanshi if (sess->targetalias) 37381e9e2be3SAdheer Chandravanshi memcpy(fw_ddb_entry->iscsi_alias, sess->targetalias, 37391e9e2be3SAdheer Chandravanshi sizeof(fw_ddb_entry->iscsi_alias)); 37401e9e2be3SAdheer Chandravanshi 37411e9e2be3SAdheer Chandravanshi COPY_ISID(fw_ddb_entry->isid, sess->isid); 37421e9e2be3SAdheer Chandravanshi 37431e9e2be3SAdheer Chandravanshi return rc; 37441e9e2be3SAdheer Chandravanshi } 37451e9e2be3SAdheer Chandravanshi 37468cc91d42SAdheer Chandravanshi static void qla4xxx_copy_to_sess_conn_params(struct iscsi_conn *conn, 37478cc91d42SAdheer Chandravanshi struct iscsi_session *sess, 37488cc91d42SAdheer Chandravanshi struct dev_db_entry *fw_ddb_entry) 37498cc91d42SAdheer Chandravanshi { 37508cc91d42SAdheer Chandravanshi unsigned long options = 0; 37518cc91d42SAdheer Chandravanshi uint16_t ddb_link; 37528cc91d42SAdheer Chandravanshi uint16_t disc_parent; 3753fb734ee3SAdheer Chandravanshi char ip_addr[DDB_IPADDR_LEN]; 37548cc91d42SAdheer Chandravanshi 37558cc91d42SAdheer Chandravanshi options = le16_to_cpu(fw_ddb_entry->options); 37568cc91d42SAdheer Chandravanshi conn->is_fw_assigned_ipv6 = test_bit(OPT_IS_FW_ASSIGNED_IPV6, &options); 37578cc91d42SAdheer Chandravanshi sess->auto_snd_tgt_disable = test_bit(OPT_AUTO_SENDTGTS_DISABLE, 37588cc91d42SAdheer Chandravanshi &options); 37598cc91d42SAdheer Chandravanshi sess->discovery_sess = test_bit(OPT_DISC_SESSION, &options); 37608cc91d42SAdheer Chandravanshi 37618cc91d42SAdheer Chandravanshi options = le16_to_cpu(fw_ddb_entry->iscsi_options); 37628cc91d42SAdheer Chandravanshi conn->hdrdgst_en = test_bit(ISCSIOPT_HEADER_DIGEST_EN, &options); 37638cc91d42SAdheer Chandravanshi conn->datadgst_en = test_bit(ISCSIOPT_DATA_DIGEST_EN, &options); 37648cc91d42SAdheer Chandravanshi sess->imm_data_en = test_bit(ISCSIOPT_IMMEDIATE_DATA_EN, &options); 37658cc91d42SAdheer Chandravanshi sess->initial_r2t_en = test_bit(ISCSIOPT_INITIAL_R2T_EN, &options); 37668cc91d42SAdheer Chandravanshi sess->dataseq_inorder_en = test_bit(ISCSIOPT_DATA_SEQ_IN_ORDER, 37678cc91d42SAdheer Chandravanshi &options); 37688cc91d42SAdheer Chandravanshi sess->pdu_inorder_en = test_bit(ISCSIOPT_DATA_PDU_IN_ORDER, &options); 37698cc91d42SAdheer Chandravanshi sess->chap_auth_en = test_bit(ISCSIOPT_CHAP_AUTH_EN, &options); 37708cc91d42SAdheer Chandravanshi sess->discovery_logout_en = test_bit(ISCSIOPT_DISCOVERY_LOGOUT_EN, 37718cc91d42SAdheer Chandravanshi &options); 37728cc91d42SAdheer Chandravanshi sess->bidi_chap_en = test_bit(ISCSIOPT_BIDI_CHAP_EN, &options); 37738cc91d42SAdheer Chandravanshi sess->discovery_auth_optional = 37748cc91d42SAdheer Chandravanshi test_bit(ISCSIOPT_DISCOVERY_AUTH_OPTIONAL, &options); 37758cc91d42SAdheer Chandravanshi if (test_bit(ISCSIOPT_ERL1, &options)) 37768cc91d42SAdheer Chandravanshi sess->erl |= BIT_1; 37778cc91d42SAdheer Chandravanshi if (test_bit(ISCSIOPT_ERL0, &options)) 37788cc91d42SAdheer Chandravanshi sess->erl |= BIT_0; 37798cc91d42SAdheer Chandravanshi 37808cc91d42SAdheer Chandravanshi options = le16_to_cpu(fw_ddb_entry->tcp_options); 37818cc91d42SAdheer Chandravanshi conn->tcp_timestamp_stat = test_bit(TCPOPT_TIMESTAMP_STAT, &options); 37828cc91d42SAdheer Chandravanshi conn->tcp_nagle_disable = test_bit(TCPOPT_NAGLE_DISABLE, &options); 37838cc91d42SAdheer Chandravanshi conn->tcp_wsf_disable = test_bit(TCPOPT_WSF_DISABLE, &options); 37848cc91d42SAdheer Chandravanshi if (test_bit(TCPOPT_TIMER_SCALE3, &options)) 37858cc91d42SAdheer Chandravanshi conn->tcp_timer_scale |= BIT_3; 37868cc91d42SAdheer Chandravanshi if (test_bit(TCPOPT_TIMER_SCALE2, &options)) 37878cc91d42SAdheer Chandravanshi conn->tcp_timer_scale |= BIT_2; 37888cc91d42SAdheer Chandravanshi if (test_bit(TCPOPT_TIMER_SCALE1, &options)) 37898cc91d42SAdheer Chandravanshi conn->tcp_timer_scale |= BIT_1; 37908cc91d42SAdheer Chandravanshi 37918cc91d42SAdheer Chandravanshi conn->tcp_timer_scale >>= 1; 37928cc91d42SAdheer Chandravanshi conn->tcp_timestamp_en = test_bit(TCPOPT_TIMESTAMP_EN, &options); 37938cc91d42SAdheer Chandravanshi 37948cc91d42SAdheer Chandravanshi options = le16_to_cpu(fw_ddb_entry->ip_options); 37958cc91d42SAdheer Chandravanshi conn->fragment_disable = test_bit(IPOPT_FRAGMENT_DISABLE, &options); 37968cc91d42SAdheer Chandravanshi 37978cc91d42SAdheer Chandravanshi conn->max_recv_dlength = BYTE_UNITS * 37988cc91d42SAdheer Chandravanshi le16_to_cpu(fw_ddb_entry->iscsi_max_rcv_data_seg_len); 37998cc91d42SAdheer Chandravanshi conn->max_xmit_dlength = BYTE_UNITS * 38008cc91d42SAdheer Chandravanshi le16_to_cpu(fw_ddb_entry->iscsi_max_snd_data_seg_len); 38018cc91d42SAdheer Chandravanshi sess->max_r2t = le16_to_cpu(fw_ddb_entry->iscsi_max_outsnd_r2t); 38028cc91d42SAdheer Chandravanshi sess->first_burst = BYTE_UNITS * 38038cc91d42SAdheer Chandravanshi le16_to_cpu(fw_ddb_entry->iscsi_first_burst_len); 38048cc91d42SAdheer Chandravanshi sess->max_burst = BYTE_UNITS * 38058cc91d42SAdheer Chandravanshi le16_to_cpu(fw_ddb_entry->iscsi_max_burst_len); 38068cc91d42SAdheer Chandravanshi sess->time2wait = le16_to_cpu(fw_ddb_entry->iscsi_def_time2wait); 38078cc91d42SAdheer Chandravanshi sess->time2retain = le16_to_cpu(fw_ddb_entry->iscsi_def_time2retain); 38088cc91d42SAdheer Chandravanshi sess->tpgt = le32_to_cpu(fw_ddb_entry->tgt_portal_grp); 38098cc91d42SAdheer Chandravanshi conn->max_segment_size = le16_to_cpu(fw_ddb_entry->mss); 38108cc91d42SAdheer Chandravanshi conn->tcp_xmit_wsf = fw_ddb_entry->tcp_xmt_wsf; 38118cc91d42SAdheer Chandravanshi conn->tcp_recv_wsf = fw_ddb_entry->tcp_rcv_wsf; 38128cc91d42SAdheer Chandravanshi conn->ipv4_tos = fw_ddb_entry->ipv4_tos; 38138cc91d42SAdheer Chandravanshi conn->keepalive_tmo = le16_to_cpu(fw_ddb_entry->ka_timeout); 38148cc91d42SAdheer Chandravanshi conn->local_port = le16_to_cpu(fw_ddb_entry->lcl_port); 38158cc91d42SAdheer Chandravanshi conn->statsn = le32_to_cpu(fw_ddb_entry->stat_sn); 38168cc91d42SAdheer Chandravanshi conn->exp_statsn = le32_to_cpu(fw_ddb_entry->exp_stat_sn); 38178cc91d42SAdheer Chandravanshi sess->tsid = le16_to_cpu(fw_ddb_entry->tsid); 38188cc91d42SAdheer Chandravanshi COPY_ISID(sess->isid, fw_ddb_entry->isid); 38198cc91d42SAdheer Chandravanshi 38208cc91d42SAdheer Chandravanshi ddb_link = le16_to_cpu(fw_ddb_entry->ddb_link); 38218cc91d42SAdheer Chandravanshi if (ddb_link == DDB_ISNS) 38228cc91d42SAdheer Chandravanshi disc_parent = ISCSI_DISC_PARENT_ISNS; 38238cc91d42SAdheer Chandravanshi else if (ddb_link == DDB_NO_LINK) 38248cc91d42SAdheer Chandravanshi disc_parent = ISCSI_DISC_PARENT_UNKNOWN; 38258cc91d42SAdheer Chandravanshi else if (ddb_link < MAX_DDB_ENTRIES) 38268cc91d42SAdheer Chandravanshi disc_parent = ISCSI_DISC_PARENT_SENDTGT; 38278cc91d42SAdheer Chandravanshi else 38288cc91d42SAdheer Chandravanshi disc_parent = ISCSI_DISC_PARENT_UNKNOWN; 38298cc91d42SAdheer Chandravanshi 38308cc91d42SAdheer Chandravanshi iscsi_set_param(conn->cls_conn, ISCSI_PARAM_DISCOVERY_PARENT_TYPE, 38318cc91d42SAdheer Chandravanshi iscsi_get_discovery_parent_name(disc_parent), 0); 38328cc91d42SAdheer Chandravanshi 38338cc91d42SAdheer Chandravanshi iscsi_set_param(conn->cls_conn, ISCSI_PARAM_TARGET_ALIAS, 38348cc91d42SAdheer Chandravanshi (char *)fw_ddb_entry->iscsi_alias, 0); 3835fb734ee3SAdheer Chandravanshi 3836fb734ee3SAdheer Chandravanshi options = le16_to_cpu(fw_ddb_entry->options); 3837fb734ee3SAdheer Chandravanshi if (options & DDB_OPT_IPV6_DEVICE) { 3838fb734ee3SAdheer Chandravanshi memset(ip_addr, 0, sizeof(ip_addr)); 3839fb734ee3SAdheer Chandravanshi sprintf(ip_addr, "%pI6", fw_ddb_entry->link_local_ipv6_addr); 3840fb734ee3SAdheer Chandravanshi iscsi_set_param(conn->cls_conn, ISCSI_PARAM_LOCAL_IPADDR, 3841fb734ee3SAdheer Chandravanshi (char *)ip_addr, 0); 3842fb734ee3SAdheer Chandravanshi } 38438cc91d42SAdheer Chandravanshi } 38448cc91d42SAdheer Chandravanshi 384513483730SMike Christie static void qla4xxx_copy_fwddb_param(struct scsi_qla_host *ha, 384613483730SMike Christie struct dev_db_entry *fw_ddb_entry, 384713483730SMike Christie struct iscsi_cls_session *cls_sess, 384813483730SMike Christie struct iscsi_cls_conn *cls_conn) 384913483730SMike Christie { 385013483730SMike Christie int buflen = 0; 385113483730SMike Christie struct iscsi_session *sess; 3852376738afSNilesh Javali struct ddb_entry *ddb_entry; 3853946ac571SAdheer Chandravanshi struct ql4_chap_table chap_tbl; 385413483730SMike Christie struct iscsi_conn *conn; 385513483730SMike Christie char ip_addr[DDB_IPADDR_LEN]; 385613483730SMike Christie uint16_t options = 0; 385713483730SMike Christie 385813483730SMike Christie sess = cls_sess->dd_data; 3859376738afSNilesh Javali ddb_entry = sess->dd_data; 386013483730SMike Christie conn = cls_conn->dd_data; 3861946ac571SAdheer Chandravanshi memset(&chap_tbl, 0, sizeof(chap_tbl)); 386213483730SMike Christie 3863376738afSNilesh Javali ddb_entry->chap_tbl_idx = le16_to_cpu(fw_ddb_entry->chap_tbl_idx); 3864376738afSNilesh Javali 38658cc91d42SAdheer Chandravanshi qla4xxx_copy_to_sess_conn_params(conn, sess, fw_ddb_entry); 386613483730SMike Christie 38678cc91d42SAdheer Chandravanshi sess->def_taskmgmt_tmo = le16_to_cpu(fw_ddb_entry->def_timeout); 386813483730SMike Christie conn->persistent_port = le16_to_cpu(fw_ddb_entry->port); 386913483730SMike Christie 38708cc91d42SAdheer Chandravanshi memset(ip_addr, 0, sizeof(ip_addr)); 387113483730SMike Christie options = le16_to_cpu(fw_ddb_entry->options); 38728cc91d42SAdheer Chandravanshi if (options & DDB_OPT_IPV6_DEVICE) { 38738cc91d42SAdheer Chandravanshi iscsi_set_param(cls_conn, ISCSI_PARAM_PORTAL_TYPE, "ipv6", 4); 387413483730SMike Christie 38758cc91d42SAdheer Chandravanshi memset(ip_addr, 0, sizeof(ip_addr)); 38768cc91d42SAdheer Chandravanshi sprintf(ip_addr, "%pI6", fw_ddb_entry->ip_addr); 38778cc91d42SAdheer Chandravanshi } else { 38788cc91d42SAdheer Chandravanshi iscsi_set_param(cls_conn, ISCSI_PARAM_PORTAL_TYPE, "ipv4", 4); 38798cc91d42SAdheer Chandravanshi sprintf(ip_addr, "%pI4", fw_ddb_entry->ip_addr); 38808cc91d42SAdheer Chandravanshi } 38818cc91d42SAdheer Chandravanshi 38828cc91d42SAdheer Chandravanshi iscsi_set_param(cls_conn, ISCSI_PARAM_PERSISTENT_ADDRESS, 38838cc91d42SAdheer Chandravanshi (char *)ip_addr, buflen); 388413483730SMike Christie iscsi_set_param(cls_conn, ISCSI_PARAM_TARGET_NAME, 388513483730SMike Christie (char *)fw_ddb_entry->iscsi_name, buflen); 388613483730SMike Christie iscsi_set_param(cls_conn, ISCSI_PARAM_INITIATOR_NAME, 388713483730SMike Christie (char *)ha->name_string, buflen); 3888946ac571SAdheer Chandravanshi 3889946ac571SAdheer Chandravanshi if (ddb_entry->chap_tbl_idx != INVALID_ENTRY) { 3890946ac571SAdheer Chandravanshi if (!qla4xxx_get_uni_chap_at_index(ha, chap_tbl.name, 3891946ac571SAdheer Chandravanshi chap_tbl.secret, 3892946ac571SAdheer Chandravanshi ddb_entry->chap_tbl_idx)) { 3893946ac571SAdheer Chandravanshi iscsi_set_param(cls_conn, ISCSI_PARAM_USERNAME, 3894946ac571SAdheer Chandravanshi (char *)chap_tbl.name, 3895946ac571SAdheer Chandravanshi strlen((char *)chap_tbl.name)); 3896946ac571SAdheer Chandravanshi iscsi_set_param(cls_conn, ISCSI_PARAM_PASSWORD, 3897946ac571SAdheer Chandravanshi (char *)chap_tbl.secret, 3898946ac571SAdheer Chandravanshi chap_tbl.secret_len); 3899946ac571SAdheer Chandravanshi } 3900946ac571SAdheer Chandravanshi } 390113483730SMike Christie } 390213483730SMike Christie 390313483730SMike Christie void qla4xxx_update_session_conn_fwddb_param(struct scsi_qla_host *ha, 390413483730SMike Christie struct ddb_entry *ddb_entry) 390513483730SMike Christie { 390613483730SMike Christie struct iscsi_cls_session *cls_sess; 390713483730SMike Christie struct iscsi_cls_conn *cls_conn; 390813483730SMike Christie uint32_t ddb_state; 390913483730SMike Christie dma_addr_t fw_ddb_entry_dma; 391013483730SMike Christie struct dev_db_entry *fw_ddb_entry; 391113483730SMike Christie 391213483730SMike Christie fw_ddb_entry = dma_alloc_coherent(&ha->pdev->dev, sizeof(*fw_ddb_entry), 391313483730SMike Christie &fw_ddb_entry_dma, GFP_KERNEL); 391413483730SMike Christie if (!fw_ddb_entry) { 391513483730SMike Christie ql4_printk(KERN_ERR, ha, 391613483730SMike Christie "%s: Unable to allocate dma buffer\n", __func__); 391713483730SMike Christie goto exit_session_conn_fwddb_param; 391813483730SMike Christie } 391913483730SMike Christie 392013483730SMike Christie if (qla4xxx_get_fwddb_entry(ha, ddb_entry->fw_ddb_index, fw_ddb_entry, 392113483730SMike Christie fw_ddb_entry_dma, NULL, NULL, &ddb_state, 392213483730SMike Christie NULL, NULL, NULL) == QLA_ERROR) { 392313483730SMike Christie DEBUG2(ql4_printk(KERN_ERR, ha, "scsi%ld: %s: failed " 392413483730SMike Christie "get_ddb_entry for fw_ddb_index %d\n", 392513483730SMike Christie ha->host_no, __func__, 392613483730SMike Christie ddb_entry->fw_ddb_index)); 392713483730SMike Christie goto exit_session_conn_fwddb_param; 392813483730SMike Christie } 392913483730SMike Christie 393013483730SMike Christie cls_sess = ddb_entry->sess; 393113483730SMike Christie 393213483730SMike Christie cls_conn = ddb_entry->conn; 393313483730SMike Christie 393413483730SMike Christie /* Update params */ 393513483730SMike Christie qla4xxx_copy_fwddb_param(ha, fw_ddb_entry, cls_sess, cls_conn); 393613483730SMike Christie 393713483730SMike Christie exit_session_conn_fwddb_param: 393813483730SMike Christie if (fw_ddb_entry) 393913483730SMike Christie dma_free_coherent(&ha->pdev->dev, sizeof(*fw_ddb_entry), 394013483730SMike Christie fw_ddb_entry, fw_ddb_entry_dma); 394113483730SMike Christie } 394213483730SMike Christie 3943b3a271a9SManish Rangankar void qla4xxx_update_session_conn_param(struct scsi_qla_host *ha, 3944b3a271a9SManish Rangankar struct ddb_entry *ddb_entry) 3945b3a271a9SManish Rangankar { 3946b3a271a9SManish Rangankar struct iscsi_cls_session *cls_sess; 3947b3a271a9SManish Rangankar struct iscsi_cls_conn *cls_conn; 3948b3a271a9SManish Rangankar struct iscsi_session *sess; 3949b3a271a9SManish Rangankar struct iscsi_conn *conn; 3950b3a271a9SManish Rangankar uint32_t ddb_state; 3951b3a271a9SManish Rangankar dma_addr_t fw_ddb_entry_dma; 3952b3a271a9SManish Rangankar struct dev_db_entry *fw_ddb_entry; 3953b3a271a9SManish Rangankar 3954b3a271a9SManish Rangankar fw_ddb_entry = dma_alloc_coherent(&ha->pdev->dev, sizeof(*fw_ddb_entry), 3955b3a271a9SManish Rangankar &fw_ddb_entry_dma, GFP_KERNEL); 3956b3a271a9SManish Rangankar if (!fw_ddb_entry) { 3957b3a271a9SManish Rangankar ql4_printk(KERN_ERR, ha, 3958b3a271a9SManish Rangankar "%s: Unable to allocate dma buffer\n", __func__); 395913483730SMike Christie goto exit_session_conn_param; 3960b3a271a9SManish Rangankar } 3961b3a271a9SManish Rangankar 3962b3a271a9SManish Rangankar if (qla4xxx_get_fwddb_entry(ha, ddb_entry->fw_ddb_index, fw_ddb_entry, 3963b3a271a9SManish Rangankar fw_ddb_entry_dma, NULL, NULL, &ddb_state, 3964b3a271a9SManish Rangankar NULL, NULL, NULL) == QLA_ERROR) { 3965b3a271a9SManish Rangankar DEBUG2(ql4_printk(KERN_ERR, ha, "scsi%ld: %s: failed " 3966b3a271a9SManish Rangankar "get_ddb_entry for fw_ddb_index %d\n", 3967b3a271a9SManish Rangankar ha->host_no, __func__, 3968b3a271a9SManish Rangankar ddb_entry->fw_ddb_index)); 396913483730SMike Christie goto exit_session_conn_param; 3970b3a271a9SManish Rangankar } 3971b3a271a9SManish Rangankar 3972b3a271a9SManish Rangankar cls_sess = ddb_entry->sess; 3973b3a271a9SManish Rangankar sess = cls_sess->dd_data; 3974b3a271a9SManish Rangankar 3975b3a271a9SManish Rangankar cls_conn = ddb_entry->conn; 3976b3a271a9SManish Rangankar conn = cls_conn->dd_data; 3977b3a271a9SManish Rangankar 397813483730SMike Christie /* Update timers after login */ 397913483730SMike Christie ddb_entry->default_relogin_timeout = 3980c28eaacaSNilesh Javali (le16_to_cpu(fw_ddb_entry->def_timeout) > LOGIN_TOV) && 3981c28eaacaSNilesh Javali (le16_to_cpu(fw_ddb_entry->def_timeout) < LOGIN_TOV * 10) ? 3982c28eaacaSNilesh Javali le16_to_cpu(fw_ddb_entry->def_timeout) : LOGIN_TOV; 398313483730SMike Christie ddb_entry->default_time2wait = 398413483730SMike Christie le16_to_cpu(fw_ddb_entry->iscsi_def_time2wait); 398513483730SMike Christie 3986b3a271a9SManish Rangankar /* Update params */ 3987376738afSNilesh Javali ddb_entry->chap_tbl_idx = le16_to_cpu(fw_ddb_entry->chap_tbl_idx); 39888cc91d42SAdheer Chandravanshi qla4xxx_copy_to_sess_conn_params(conn, sess, fw_ddb_entry); 3989b3a271a9SManish Rangankar 3990b3a271a9SManish Rangankar memcpy(sess->initiatorname, ha->name_string, 3991b3a271a9SManish Rangankar min(sizeof(ha->name_string), sizeof(sess->initiatorname))); 399213483730SMike Christie 399313483730SMike Christie exit_session_conn_param: 399413483730SMike Christie if (fw_ddb_entry) 399513483730SMike Christie dma_free_coherent(&ha->pdev->dev, sizeof(*fw_ddb_entry), 399613483730SMike Christie fw_ddb_entry, fw_ddb_entry_dma); 3997b3a271a9SManish Rangankar } 3998b3a271a9SManish Rangankar 3999afaf5a2dSDavid Somayajulu /* 4000afaf5a2dSDavid Somayajulu * Timer routines 4001afaf5a2dSDavid Somayajulu */ 4002d744644aSKees Cook static void qla4xxx_timer(struct timer_list *t); 4003afaf5a2dSDavid Somayajulu 4004d744644aSKees Cook static void qla4xxx_start_timer(struct scsi_qla_host *ha, 4005afaf5a2dSDavid Somayajulu unsigned long interval) 4006afaf5a2dSDavid Somayajulu { 4007afaf5a2dSDavid Somayajulu DEBUG(printk("scsi: %s: Starting timer thread for adapter %d\n", 4008afaf5a2dSDavid Somayajulu __func__, ha->host->host_no)); 4009d744644aSKees Cook timer_setup(&ha->timer, qla4xxx_timer, 0); 4010afaf5a2dSDavid Somayajulu ha->timer.expires = jiffies + interval * HZ; 4011afaf5a2dSDavid Somayajulu add_timer(&ha->timer); 4012afaf5a2dSDavid Somayajulu ha->timer_active = 1; 4013afaf5a2dSDavid Somayajulu } 4014afaf5a2dSDavid Somayajulu 4015afaf5a2dSDavid Somayajulu static void qla4xxx_stop_timer(struct scsi_qla_host *ha) 4016afaf5a2dSDavid Somayajulu { 4017afaf5a2dSDavid Somayajulu del_timer_sync(&ha->timer); 4018afaf5a2dSDavid Somayajulu ha->timer_active = 0; 4019afaf5a2dSDavid Somayajulu } 4020afaf5a2dSDavid Somayajulu 4021afaf5a2dSDavid Somayajulu /*** 4022b3a271a9SManish Rangankar * qla4xxx_mark_device_missing - blocks the session 4023b3a271a9SManish Rangankar * @cls_session: Pointer to the session to be blocked 4024afaf5a2dSDavid Somayajulu * @ddb_entry: Pointer to device database entry 4025afaf5a2dSDavid Somayajulu * 4026f4f5df23SVikas Chaudhary * This routine marks a device missing and close connection. 4027afaf5a2dSDavid Somayajulu **/ 4028b3a271a9SManish Rangankar void qla4xxx_mark_device_missing(struct iscsi_cls_session *cls_session) 4029afaf5a2dSDavid Somayajulu { 4030b3a271a9SManish Rangankar iscsi_block_session(cls_session); 4031afaf5a2dSDavid Somayajulu } 4032afaf5a2dSDavid Somayajulu 4033f4f5df23SVikas Chaudhary /** 4034f4f5df23SVikas Chaudhary * qla4xxx_mark_all_devices_missing - mark all devices as missing. 4035f4f5df23SVikas Chaudhary * @ha: Pointer to host adapter structure. 4036f4f5df23SVikas Chaudhary * 4037f4f5df23SVikas Chaudhary * This routine marks a device missing and resets the relogin retry count. 4038f4f5df23SVikas Chaudhary **/ 4039f4f5df23SVikas Chaudhary void qla4xxx_mark_all_devices_missing(struct scsi_qla_host *ha) 4040f4f5df23SVikas Chaudhary { 4041b3a271a9SManish Rangankar iscsi_host_for_each_session(ha->host, qla4xxx_mark_device_missing); 4042f4f5df23SVikas Chaudhary } 4043f4f5df23SVikas Chaudhary 4044afaf5a2dSDavid Somayajulu static struct srb* qla4xxx_get_new_srb(struct scsi_qla_host *ha, 4045afaf5a2dSDavid Somayajulu struct ddb_entry *ddb_entry, 40468f0722caSVikas Chaudhary struct scsi_cmnd *cmd) 4047afaf5a2dSDavid Somayajulu { 4048afaf5a2dSDavid Somayajulu struct srb *srb; 4049afaf5a2dSDavid Somayajulu 4050afaf5a2dSDavid Somayajulu srb = mempool_alloc(ha->srb_mempool, GFP_ATOMIC); 4051afaf5a2dSDavid Somayajulu if (!srb) 4052afaf5a2dSDavid Somayajulu return srb; 4053afaf5a2dSDavid Somayajulu 405409a0f719SVikas Chaudhary kref_init(&srb->srb_ref); 4055afaf5a2dSDavid Somayajulu srb->ha = ha; 4056afaf5a2dSDavid Somayajulu srb->ddb = ddb_entry; 4057afaf5a2dSDavid Somayajulu srb->cmd = cmd; 4058afaf5a2dSDavid Somayajulu srb->flags = 0; 40595369887aSVikas Chaudhary CMD_SP(cmd) = (void *)srb; 4060afaf5a2dSDavid Somayajulu 4061afaf5a2dSDavid Somayajulu return srb; 4062afaf5a2dSDavid Somayajulu } 4063afaf5a2dSDavid Somayajulu 4064afaf5a2dSDavid Somayajulu static void qla4xxx_srb_free_dma(struct scsi_qla_host *ha, struct srb *srb) 4065afaf5a2dSDavid Somayajulu { 4066afaf5a2dSDavid Somayajulu struct scsi_cmnd *cmd = srb->cmd; 4067afaf5a2dSDavid Somayajulu 4068afaf5a2dSDavid Somayajulu if (srb->flags & SRB_DMA_VALID) { 40695f7186c8SFUJITA Tomonori scsi_dma_unmap(cmd); 4070afaf5a2dSDavid Somayajulu srb->flags &= ~SRB_DMA_VALID; 4071afaf5a2dSDavid Somayajulu } 40725369887aSVikas Chaudhary CMD_SP(cmd) = NULL; 4073afaf5a2dSDavid Somayajulu } 4074afaf5a2dSDavid Somayajulu 407509a0f719SVikas Chaudhary void qla4xxx_srb_compl(struct kref *ref) 4076afaf5a2dSDavid Somayajulu { 407709a0f719SVikas Chaudhary struct srb *srb = container_of(ref, struct srb, srb_ref); 4078afaf5a2dSDavid Somayajulu struct scsi_cmnd *cmd = srb->cmd; 407909a0f719SVikas Chaudhary struct scsi_qla_host *ha = srb->ha; 4080afaf5a2dSDavid Somayajulu 4081afaf5a2dSDavid Somayajulu qla4xxx_srb_free_dma(ha, srb); 4082afaf5a2dSDavid Somayajulu 4083afaf5a2dSDavid Somayajulu mempool_free(srb, ha->srb_mempool); 4084afaf5a2dSDavid Somayajulu 4085afaf5a2dSDavid Somayajulu cmd->scsi_done(cmd); 4086afaf5a2dSDavid Somayajulu } 4087afaf5a2dSDavid Somayajulu 4088afaf5a2dSDavid Somayajulu /** 4089afaf5a2dSDavid Somayajulu * qla4xxx_queuecommand - scsi layer issues scsi command to driver. 40908f0722caSVikas Chaudhary * @host: scsi host 4091afaf5a2dSDavid Somayajulu * @cmd: Pointer to Linux's SCSI command structure 4092afaf5a2dSDavid Somayajulu * 4093afaf5a2dSDavid Somayajulu * Remarks: 4094afaf5a2dSDavid Somayajulu * This routine is invoked by Linux to send a SCSI command to the driver. 4095afaf5a2dSDavid Somayajulu * The mid-level driver tries to ensure that queuecommand never gets 4096afaf5a2dSDavid Somayajulu * invoked concurrently with itself or the interrupt handler (although 4097afaf5a2dSDavid Somayajulu * the interrupt handler may call this routine as part of request- 4098afaf5a2dSDavid Somayajulu * completion handling). Unfortunely, it sometimes calls the scheduler 4099afaf5a2dSDavid Somayajulu * in interrupt context which is a big NO! NO!. 4100afaf5a2dSDavid Somayajulu **/ 41018f0722caSVikas Chaudhary static int qla4xxx_queuecommand(struct Scsi_Host *host, struct scsi_cmnd *cmd) 4102afaf5a2dSDavid Somayajulu { 41038f0722caSVikas Chaudhary struct scsi_qla_host *ha = to_qla_host(host); 4104afaf5a2dSDavid Somayajulu struct ddb_entry *ddb_entry = cmd->device->hostdata; 41057fb1921bSMike Christie struct iscsi_cls_session *sess = ddb_entry->sess; 4106afaf5a2dSDavid Somayajulu struct srb *srb; 4107afaf5a2dSDavid Somayajulu int rval; 4108afaf5a2dSDavid Somayajulu 41092232be0dSLalit Chandivade if (test_bit(AF_EEH_BUSY, &ha->flags)) { 41102232be0dSLalit Chandivade if (test_bit(AF_PCI_CHANNEL_IO_PERM_FAILURE, &ha->flags)) 41112232be0dSLalit Chandivade cmd->result = DID_NO_CONNECT << 16; 41122232be0dSLalit Chandivade else 41132232be0dSLalit Chandivade cmd->result = DID_REQUEUE << 16; 41142232be0dSLalit Chandivade goto qc_fail_command; 41152232be0dSLalit Chandivade } 41162232be0dSLalit Chandivade 41177fb1921bSMike Christie if (!sess) { 41187fb1921bSMike Christie cmd->result = DID_IMM_RETRY << 16; 41197fb1921bSMike Christie goto qc_fail_command; 41207fb1921bSMike Christie } 41217fb1921bSMike Christie 41227fb1921bSMike Christie rval = iscsi_session_chkready(sess); 41237fb1921bSMike Christie if (rval) { 41247fb1921bSMike Christie cmd->result = rval; 41257fb1921bSMike Christie goto qc_fail_command; 41267fb1921bSMike Christie } 41277fb1921bSMike Christie 4128f4f5df23SVikas Chaudhary if (test_bit(DPC_RESET_HA_INTR, &ha->dpc_flags) || 4129f4f5df23SVikas Chaudhary test_bit(DPC_RESET_ACTIVE, &ha->dpc_flags) || 4130f4f5df23SVikas Chaudhary test_bit(DPC_RESET_HA, &ha->dpc_flags) || 4131f4f5df23SVikas Chaudhary test_bit(DPC_HA_UNRECOVERABLE, &ha->dpc_flags) || 4132f4f5df23SVikas Chaudhary test_bit(DPC_HA_NEED_QUIESCENT, &ha->dpc_flags) || 4133f4f5df23SVikas Chaudhary !test_bit(AF_ONLINE, &ha->flags) || 4134b3a271a9SManish Rangankar !test_bit(AF_LINK_UP, &ha->flags) || 4135026fbd3aSNilesh Javali test_bit(AF_LOOPBACK, &ha->flags) || 41367ab284c9SNilesh Javali test_bit(DPC_POST_IDC_ACK, &ha->dpc_flags) || 41377ab284c9SNilesh Javali test_bit(DPC_RESTORE_ACB, &ha->dpc_flags) || 4138f4f5df23SVikas Chaudhary test_bit(DPC_RESET_HA_FW_CONTEXT, &ha->dpc_flags)) 4139477ffb9dSDavid C Somayajulu goto qc_host_busy; 4140477ffb9dSDavid C Somayajulu 41418f0722caSVikas Chaudhary srb = qla4xxx_get_new_srb(ha, ddb_entry, cmd); 4142afaf5a2dSDavid Somayajulu if (!srb) 41438f0722caSVikas Chaudhary goto qc_host_busy; 4144afaf5a2dSDavid Somayajulu 4145afaf5a2dSDavid Somayajulu rval = qla4xxx_send_command_to_isp(ha, srb); 4146afaf5a2dSDavid Somayajulu if (rval != QLA_SUCCESS) 4147afaf5a2dSDavid Somayajulu goto qc_host_busy_free_sp; 4148afaf5a2dSDavid Somayajulu 4149afaf5a2dSDavid Somayajulu return 0; 4150afaf5a2dSDavid Somayajulu 4151afaf5a2dSDavid Somayajulu qc_host_busy_free_sp: 4152afaf5a2dSDavid Somayajulu qla4xxx_srb_free_dma(ha, srb); 4153afaf5a2dSDavid Somayajulu mempool_free(srb, ha->srb_mempool); 4154afaf5a2dSDavid Somayajulu 4155afaf5a2dSDavid Somayajulu qc_host_busy: 4156afaf5a2dSDavid Somayajulu return SCSI_MLQUEUE_HOST_BUSY; 4157afaf5a2dSDavid Somayajulu 4158afaf5a2dSDavid Somayajulu qc_fail_command: 41598f0722caSVikas Chaudhary cmd->scsi_done(cmd); 4160afaf5a2dSDavid Somayajulu 4161afaf5a2dSDavid Somayajulu return 0; 4162afaf5a2dSDavid Somayajulu } 4163afaf5a2dSDavid Somayajulu 4164afaf5a2dSDavid Somayajulu /** 4165afaf5a2dSDavid Somayajulu * qla4xxx_mem_free - frees memory allocated to adapter 4166afaf5a2dSDavid Somayajulu * @ha: Pointer to host adapter structure. 4167afaf5a2dSDavid Somayajulu * 4168afaf5a2dSDavid Somayajulu * Frees memory previously allocated by qla4xxx_mem_alloc 4169afaf5a2dSDavid Somayajulu **/ 4170afaf5a2dSDavid Somayajulu static void qla4xxx_mem_free(struct scsi_qla_host *ha) 4171afaf5a2dSDavid Somayajulu { 4172afaf5a2dSDavid Somayajulu if (ha->queues) 4173afaf5a2dSDavid Somayajulu dma_free_coherent(&ha->pdev->dev, ha->queues_len, ha->queues, 4174afaf5a2dSDavid Somayajulu ha->queues_dma); 4175afaf5a2dSDavid Somayajulu 4176068237c8STej Parkash vfree(ha->fw_dump); 4177068237c8STej Parkash 4178afaf5a2dSDavid Somayajulu ha->queues_len = 0; 4179afaf5a2dSDavid Somayajulu ha->queues = NULL; 4180afaf5a2dSDavid Somayajulu ha->queues_dma = 0; 4181afaf5a2dSDavid Somayajulu ha->request_ring = NULL; 4182afaf5a2dSDavid Somayajulu ha->request_dma = 0; 4183afaf5a2dSDavid Somayajulu ha->response_ring = NULL; 4184afaf5a2dSDavid Somayajulu ha->response_dma = 0; 4185afaf5a2dSDavid Somayajulu ha->shadow_regs = NULL; 4186afaf5a2dSDavid Somayajulu ha->shadow_regs_dma = 0; 4187068237c8STej Parkash ha->fw_dump = NULL; 4188068237c8STej Parkash ha->fw_dump_size = 0; 4189afaf5a2dSDavid Somayajulu 4190afaf5a2dSDavid Somayajulu /* Free srb pool. */ 4191afaf5a2dSDavid Somayajulu mempool_destroy(ha->srb_mempool); 4192afaf5a2dSDavid Somayajulu ha->srb_mempool = NULL; 4193afaf5a2dSDavid Somayajulu 4194b3a271a9SManish Rangankar dma_pool_destroy(ha->chap_dma_pool); 4195b3a271a9SManish Rangankar 41964549415aSLalit Chandivade vfree(ha->chap_list); 41974549415aSLalit Chandivade ha->chap_list = NULL; 41984549415aSLalit Chandivade 419913483730SMike Christie dma_pool_destroy(ha->fw_ddb_dma_pool); 420013483730SMike Christie 4201afaf5a2dSDavid Somayajulu /* release io space registers */ 4202f4f5df23SVikas Chaudhary if (is_qla8022(ha)) { 4203f4f5df23SVikas Chaudhary if (ha->nx_pcibase) 4204f4f5df23SVikas Chaudhary iounmap( 4205f4f5df23SVikas Chaudhary (struct device_reg_82xx __iomem *)ha->nx_pcibase); 4206b37ca418SVikas Chaudhary } else if (is_qla8032(ha) || is_qla8042(ha)) { 42076e7b4292SVikas Chaudhary if (ha->nx_pcibase) 42086e7b4292SVikas Chaudhary iounmap( 42096e7b4292SVikas Chaudhary (struct device_reg_83xx __iomem *)ha->nx_pcibase); 42106e7b4292SVikas Chaudhary } else if (ha->reg) { 4211afaf5a2dSDavid Somayajulu iounmap(ha->reg); 42126e7b4292SVikas Chaudhary } 42136e7b4292SVikas Chaudhary 42146e7b4292SVikas Chaudhary vfree(ha->reset_tmplt.buff); 42156e7b4292SVikas Chaudhary 4216afaf5a2dSDavid Somayajulu pci_release_regions(ha->pdev); 4217afaf5a2dSDavid Somayajulu } 4218afaf5a2dSDavid Somayajulu 4219afaf5a2dSDavid Somayajulu /** 4220afaf5a2dSDavid Somayajulu * qla4xxx_mem_alloc - allocates memory for use by adapter. 4221afaf5a2dSDavid Somayajulu * @ha: Pointer to host adapter structure 4222afaf5a2dSDavid Somayajulu * 4223afaf5a2dSDavid Somayajulu * Allocates DMA memory for request and response queues. Also allocates memory 4224afaf5a2dSDavid Somayajulu * for srbs. 4225afaf5a2dSDavid Somayajulu **/ 4226afaf5a2dSDavid Somayajulu static int qla4xxx_mem_alloc(struct scsi_qla_host *ha) 4227afaf5a2dSDavid Somayajulu { 4228afaf5a2dSDavid Somayajulu unsigned long align; 4229afaf5a2dSDavid Somayajulu 4230afaf5a2dSDavid Somayajulu /* Allocate contiguous block of DMA memory for queues. */ 4231afaf5a2dSDavid Somayajulu ha->queues_len = ((REQUEST_QUEUE_DEPTH * QUEUE_SIZE) + 4232afaf5a2dSDavid Somayajulu (RESPONSE_QUEUE_DEPTH * QUEUE_SIZE) + 4233afaf5a2dSDavid Somayajulu sizeof(struct shadow_regs) + 4234afaf5a2dSDavid Somayajulu MEM_ALIGN_VALUE + 4235afaf5a2dSDavid Somayajulu (PAGE_SIZE - 1)) & ~(PAGE_SIZE - 1); 4236750afb08SLuis Chamberlain ha->queues = dma_alloc_coherent(&ha->pdev->dev, ha->queues_len, 4237afaf5a2dSDavid Somayajulu &ha->queues_dma, GFP_KERNEL); 4238afaf5a2dSDavid Somayajulu if (ha->queues == NULL) { 4239c2660df3SVikas Chaudhary ql4_printk(KERN_WARNING, ha, 4240afaf5a2dSDavid Somayajulu "Memory Allocation failed - queues.\n"); 4241afaf5a2dSDavid Somayajulu 4242afaf5a2dSDavid Somayajulu goto mem_alloc_error_exit; 4243afaf5a2dSDavid Somayajulu } 4244afaf5a2dSDavid Somayajulu 4245afaf5a2dSDavid Somayajulu /* 4246afaf5a2dSDavid Somayajulu * As per RISC alignment requirements -- the bus-address must be a 4247afaf5a2dSDavid Somayajulu * multiple of the request-ring size (in bytes). 4248afaf5a2dSDavid Somayajulu */ 4249afaf5a2dSDavid Somayajulu align = 0; 4250afaf5a2dSDavid Somayajulu if ((unsigned long)ha->queues_dma & (MEM_ALIGN_VALUE - 1)) 4251afaf5a2dSDavid Somayajulu align = MEM_ALIGN_VALUE - ((unsigned long)ha->queues_dma & 4252afaf5a2dSDavid Somayajulu (MEM_ALIGN_VALUE - 1)); 4253afaf5a2dSDavid Somayajulu 4254afaf5a2dSDavid Somayajulu /* Update request and response queue pointers. */ 4255afaf5a2dSDavid Somayajulu ha->request_dma = ha->queues_dma + align; 4256afaf5a2dSDavid Somayajulu ha->request_ring = (struct queue_entry *) (ha->queues + align); 4257afaf5a2dSDavid Somayajulu ha->response_dma = ha->queues_dma + align + 4258afaf5a2dSDavid Somayajulu (REQUEST_QUEUE_DEPTH * QUEUE_SIZE); 4259afaf5a2dSDavid Somayajulu ha->response_ring = (struct queue_entry *) (ha->queues + align + 4260afaf5a2dSDavid Somayajulu (REQUEST_QUEUE_DEPTH * 4261afaf5a2dSDavid Somayajulu QUEUE_SIZE)); 4262afaf5a2dSDavid Somayajulu ha->shadow_regs_dma = ha->queues_dma + align + 4263afaf5a2dSDavid Somayajulu (REQUEST_QUEUE_DEPTH * QUEUE_SIZE) + 4264afaf5a2dSDavid Somayajulu (RESPONSE_QUEUE_DEPTH * QUEUE_SIZE); 4265afaf5a2dSDavid Somayajulu ha->shadow_regs = (struct shadow_regs *) (ha->queues + align + 4266afaf5a2dSDavid Somayajulu (REQUEST_QUEUE_DEPTH * 4267afaf5a2dSDavid Somayajulu QUEUE_SIZE) + 4268afaf5a2dSDavid Somayajulu (RESPONSE_QUEUE_DEPTH * 4269afaf5a2dSDavid Somayajulu QUEUE_SIZE)); 4270afaf5a2dSDavid Somayajulu 4271afaf5a2dSDavid Somayajulu /* Allocate memory for srb pool. */ 4272afaf5a2dSDavid Somayajulu ha->srb_mempool = mempool_create(SRB_MIN_REQ, mempool_alloc_slab, 4273afaf5a2dSDavid Somayajulu mempool_free_slab, srb_cachep); 4274afaf5a2dSDavid Somayajulu if (ha->srb_mempool == NULL) { 4275c2660df3SVikas Chaudhary ql4_printk(KERN_WARNING, ha, 4276afaf5a2dSDavid Somayajulu "Memory Allocation failed - SRB Pool.\n"); 4277afaf5a2dSDavid Somayajulu 4278afaf5a2dSDavid Somayajulu goto mem_alloc_error_exit; 4279afaf5a2dSDavid Somayajulu } 4280afaf5a2dSDavid Somayajulu 4281b3a271a9SManish Rangankar ha->chap_dma_pool = dma_pool_create("ql4_chap", &ha->pdev->dev, 4282b3a271a9SManish Rangankar CHAP_DMA_BLOCK_SIZE, 8, 0); 4283b3a271a9SManish Rangankar 4284b3a271a9SManish Rangankar if (ha->chap_dma_pool == NULL) { 4285b3a271a9SManish Rangankar ql4_printk(KERN_WARNING, ha, 4286b3a271a9SManish Rangankar "%s: chap_dma_pool allocation failed..\n", __func__); 4287b3a271a9SManish Rangankar goto mem_alloc_error_exit; 4288b3a271a9SManish Rangankar } 4289b3a271a9SManish Rangankar 429013483730SMike Christie ha->fw_ddb_dma_pool = dma_pool_create("ql4_fw_ddb", &ha->pdev->dev, 429113483730SMike Christie DDB_DMA_BLOCK_SIZE, 8, 0); 429213483730SMike Christie 429313483730SMike Christie if (ha->fw_ddb_dma_pool == NULL) { 429413483730SMike Christie ql4_printk(KERN_WARNING, ha, 429513483730SMike Christie "%s: fw_ddb_dma_pool allocation failed..\n", 429613483730SMike Christie __func__); 429713483730SMike Christie goto mem_alloc_error_exit; 429813483730SMike Christie } 429913483730SMike Christie 4300afaf5a2dSDavid Somayajulu return QLA_SUCCESS; 4301afaf5a2dSDavid Somayajulu 4302afaf5a2dSDavid Somayajulu mem_alloc_error_exit: 4303afaf5a2dSDavid Somayajulu return QLA_ERROR; 4304afaf5a2dSDavid Somayajulu } 4305afaf5a2dSDavid Somayajulu 4306afaf5a2dSDavid Somayajulu /** 43074f77083eSMike Hernandez * qla4_8xxx_check_temp - Check the ISP82XX temperature. 43084f77083eSMike Hernandez * @ha: adapter block pointer. 43094f77083eSMike Hernandez * 43104f77083eSMike Hernandez * Note: The caller should not hold the idc lock. 43114f77083eSMike Hernandez **/ 43124f77083eSMike Hernandez static int qla4_8xxx_check_temp(struct scsi_qla_host *ha) 43134f77083eSMike Hernandez { 43144f77083eSMike Hernandez uint32_t temp, temp_state, temp_val; 43154f77083eSMike Hernandez int status = QLA_SUCCESS; 43164f77083eSMike Hernandez 431733693c7aSVikas Chaudhary temp = qla4_8xxx_rd_direct(ha, QLA8XXX_CRB_TEMP_STATE); 43184f77083eSMike Hernandez 43194f77083eSMike Hernandez temp_state = qla82xx_get_temp_state(temp); 43204f77083eSMike Hernandez temp_val = qla82xx_get_temp_val(temp); 43214f77083eSMike Hernandez 43224f77083eSMike Hernandez if (temp_state == QLA82XX_TEMP_PANIC) { 43234f77083eSMike Hernandez ql4_printk(KERN_WARNING, ha, "Device temperature %d degrees C" 43244f77083eSMike Hernandez " exceeds maximum allowed. Hardware has been shut" 43254f77083eSMike Hernandez " down.\n", temp_val); 43264f77083eSMike Hernandez status = QLA_ERROR; 43274f77083eSMike Hernandez } else if (temp_state == QLA82XX_TEMP_WARN) { 43284f77083eSMike Hernandez if (ha->temperature == QLA82XX_TEMP_NORMAL) 43294f77083eSMike Hernandez ql4_printk(KERN_WARNING, ha, "Device temperature %d" 43304f77083eSMike Hernandez " degrees C exceeds operating range." 43314f77083eSMike Hernandez " Immediate action needed.\n", temp_val); 43324f77083eSMike Hernandez } else { 43334f77083eSMike Hernandez if (ha->temperature == QLA82XX_TEMP_WARN) 43344f77083eSMike Hernandez ql4_printk(KERN_INFO, ha, "Device temperature is" 43354f77083eSMike Hernandez " now %d degrees C in normal range.\n", 43364f77083eSMike Hernandez temp_val); 43374f77083eSMike Hernandez } 43384f77083eSMike Hernandez ha->temperature = temp_state; 43394f77083eSMike Hernandez return status; 43404f77083eSMike Hernandez } 43414f77083eSMike Hernandez 43424f77083eSMike Hernandez /** 4343f4f5df23SVikas Chaudhary * qla4_8xxx_check_fw_alive - Check firmware health 4344f4f5df23SVikas Chaudhary * @ha: Pointer to host adapter structure. 4345f4f5df23SVikas Chaudhary * 4346f4f5df23SVikas Chaudhary * Context: Interrupt 4347f4f5df23SVikas Chaudhary **/ 43489ee91a38SShyam Sunder static int qla4_8xxx_check_fw_alive(struct scsi_qla_host *ha) 4349f4f5df23SVikas Chaudhary { 43509ee91a38SShyam Sunder uint32_t fw_heartbeat_counter; 43519ee91a38SShyam Sunder int status = QLA_SUCCESS; 4352f4f5df23SVikas Chaudhary 435333693c7aSVikas Chaudhary fw_heartbeat_counter = qla4_8xxx_rd_direct(ha, 435433693c7aSVikas Chaudhary QLA8XXX_PEG_ALIVE_COUNTER); 43552232be0dSLalit Chandivade /* If PEG_ALIVE_COUNTER is 0xffffffff, AER/EEH is in progress, ignore */ 43562232be0dSLalit Chandivade if (fw_heartbeat_counter == 0xffffffff) { 43572232be0dSLalit Chandivade DEBUG2(printk(KERN_WARNING "scsi%ld: %s: Device in frozen " 43582232be0dSLalit Chandivade "state, QLA82XX_PEG_ALIVE_COUNTER is 0xffffffff\n", 43592232be0dSLalit Chandivade ha->host_no, __func__)); 43609ee91a38SShyam Sunder return status; 43612232be0dSLalit Chandivade } 4362f4f5df23SVikas Chaudhary 4363f4f5df23SVikas Chaudhary if (ha->fw_heartbeat_counter == fw_heartbeat_counter) { 4364f4f5df23SVikas Chaudhary ha->seconds_since_last_heartbeat++; 4365f4f5df23SVikas Chaudhary /* FW not alive after 2 seconds */ 4366f4f5df23SVikas Chaudhary if (ha->seconds_since_last_heartbeat == 2) { 4367f4f5df23SVikas Chaudhary ha->seconds_since_last_heartbeat = 0; 43686e7b4292SVikas Chaudhary qla4_8xxx_dump_peg_reg(ha); 43699ee91a38SShyam Sunder status = QLA_ERROR; 4370f4f5df23SVikas Chaudhary } 437199457d75SLalit Chandivade } else 437299457d75SLalit Chandivade ha->seconds_since_last_heartbeat = 0; 437399457d75SLalit Chandivade 4374f4f5df23SVikas Chaudhary ha->fw_heartbeat_counter = fw_heartbeat_counter; 43759ee91a38SShyam Sunder return status; 4376f4f5df23SVikas Chaudhary } 4377f4f5df23SVikas Chaudhary 43786e7b4292SVikas Chaudhary static void qla4_8xxx_process_fw_error(struct scsi_qla_host *ha) 43796e7b4292SVikas Chaudhary { 43806e7b4292SVikas Chaudhary uint32_t halt_status; 43816e7b4292SVikas Chaudhary int halt_status_unrecoverable = 0; 43826e7b4292SVikas Chaudhary 43836e7b4292SVikas Chaudhary halt_status = qla4_8xxx_rd_direct(ha, QLA8XXX_PEG_HALT_STATUS1); 43846e7b4292SVikas Chaudhary 43856e7b4292SVikas Chaudhary if (is_qla8022(ha)) { 43866e7b4292SVikas Chaudhary ql4_printk(KERN_INFO, ha, "%s: disabling pause transmit on port 0 & 1.\n", 43876e7b4292SVikas Chaudhary __func__); 43886e7b4292SVikas Chaudhary qla4_82xx_wr_32(ha, QLA82XX_CRB_NIU + 0x98, 43896e7b4292SVikas Chaudhary CRB_NIU_XG_PAUSE_CTL_P0 | 43906e7b4292SVikas Chaudhary CRB_NIU_XG_PAUSE_CTL_P1); 43916e7b4292SVikas Chaudhary 43926e7b4292SVikas Chaudhary if (QLA82XX_FWERROR_CODE(halt_status) == 0x67) 43936e7b4292SVikas Chaudhary ql4_printk(KERN_ERR, ha, "%s: Firmware aborted with error code 0x00006700. Device is being reset\n", 43946e7b4292SVikas Chaudhary __func__); 43956e7b4292SVikas Chaudhary if (halt_status & HALT_STATUS_UNRECOVERABLE) 43966e7b4292SVikas Chaudhary halt_status_unrecoverable = 1; 4397b37ca418SVikas Chaudhary } else if (is_qla8032(ha) || is_qla8042(ha)) { 43986e7b4292SVikas Chaudhary if (halt_status & QLA83XX_HALT_STATUS_FW_RESET) 43996e7b4292SVikas Chaudhary ql4_printk(KERN_ERR, ha, "%s: Firmware error detected device is being reset\n", 44006e7b4292SVikas Chaudhary __func__); 44016e7b4292SVikas Chaudhary else if (halt_status & QLA83XX_HALT_STATUS_UNRECOVERABLE) 44026e7b4292SVikas Chaudhary halt_status_unrecoverable = 1; 44036e7b4292SVikas Chaudhary } 44046e7b4292SVikas Chaudhary 44056e7b4292SVikas Chaudhary /* 44066e7b4292SVikas Chaudhary * Since we cannot change dev_state in interrupt context, 44076e7b4292SVikas Chaudhary * set appropriate DPC flag then wakeup DPC 44086e7b4292SVikas Chaudhary */ 44096e7b4292SVikas Chaudhary if (halt_status_unrecoverable) { 44106e7b4292SVikas Chaudhary set_bit(DPC_HA_UNRECOVERABLE, &ha->dpc_flags); 44116e7b4292SVikas Chaudhary } else { 44126e7b4292SVikas Chaudhary ql4_printk(KERN_INFO, ha, "%s: detect abort needed!\n", 44136e7b4292SVikas Chaudhary __func__); 44146e7b4292SVikas Chaudhary set_bit(DPC_RESET_HA, &ha->dpc_flags); 44156e7b4292SVikas Chaudhary } 44166e7b4292SVikas Chaudhary qla4xxx_mailbox_premature_completion(ha); 44176e7b4292SVikas Chaudhary qla4xxx_wake_dpc(ha); 44186e7b4292SVikas Chaudhary } 44196e7b4292SVikas Chaudhary 4420f4f5df23SVikas Chaudhary /** 4421f4f5df23SVikas Chaudhary * qla4_8xxx_watchdog - Poll dev state 4422f4f5df23SVikas Chaudhary * @ha: Pointer to host adapter structure. 4423f4f5df23SVikas Chaudhary * 4424f4f5df23SVikas Chaudhary * Context: Interrupt 4425f4f5df23SVikas Chaudhary **/ 4426f4f5df23SVikas Chaudhary void qla4_8xxx_watchdog(struct scsi_qla_host *ha) 4427f4f5df23SVikas Chaudhary { 44286e7b4292SVikas Chaudhary uint32_t dev_state; 44296cf94121SVikas Chaudhary uint32_t idc_ctrl; 4430f4f5df23SVikas Chaudhary 4431a083e8bcSVikas Chaudhary if (is_qla8032(ha) && 4432a083e8bcSVikas Chaudhary (qla4_83xx_is_detached(ha) == QLA_SUCCESS)) 4433a083e8bcSVikas Chaudhary WARN_ONCE(1, "%s: iSCSI function %d marked invisible\n", 4434a083e8bcSVikas Chaudhary __func__, ha->func_num); 4435a083e8bcSVikas Chaudhary 4436f4f5df23SVikas Chaudhary /* don't poll if reset is going on */ 4437d56a1f7bSLalit Chandivade if (!(test_bit(DPC_RESET_ACTIVE, &ha->dpc_flags) || 4438d56a1f7bSLalit Chandivade test_bit(DPC_RESET_HA, &ha->dpc_flags) || 4439977f46a4SVikas Chaudhary test_bit(DPC_RETRY_RESET_HA, &ha->dpc_flags))) { 444033693c7aSVikas Chaudhary dev_state = qla4_8xxx_rd_direct(ha, QLA8XXX_CRB_DEV_STATE); 44414f77083eSMike Hernandez 44424f77083eSMike Hernandez if (qla4_8xxx_check_temp(ha)) { 44436e7b4292SVikas Chaudhary if (is_qla8022(ha)) { 44446e7b4292SVikas Chaudhary ql4_printk(KERN_INFO, ha, "disabling pause transmit on port 0 & 1.\n"); 4445f8086f4fSVikas Chaudhary qla4_82xx_wr_32(ha, QLA82XX_CRB_NIU + 0x98, 4446e6bd0ebdSGiridhar Malavali CRB_NIU_XG_PAUSE_CTL_P0 | 4447e6bd0ebdSGiridhar Malavali CRB_NIU_XG_PAUSE_CTL_P1); 44486e7b4292SVikas Chaudhary } 44494f77083eSMike Hernandez set_bit(DPC_HA_UNRECOVERABLE, &ha->dpc_flags); 44504f77083eSMike Hernandez qla4xxx_wake_dpc(ha); 4451de8c72daSVikas Chaudhary } else if (dev_state == QLA8XXX_DEV_NEED_RESET && 4452f4f5df23SVikas Chaudhary !test_bit(DPC_RESET_HA, &ha->dpc_flags)) { 44536cf94121SVikas Chaudhary 44546cf94121SVikas Chaudhary ql4_printk(KERN_INFO, ha, "%s: HW State: NEED RESET!\n", 44556cf94121SVikas Chaudhary __func__); 44566cf94121SVikas Chaudhary 4457b37ca418SVikas Chaudhary if (is_qla8032(ha) || is_qla8042(ha)) { 44586cf94121SVikas Chaudhary idc_ctrl = qla4_83xx_rd_reg(ha, 44596cf94121SVikas Chaudhary QLA83XX_IDC_DRV_CTRL); 44606cf94121SVikas Chaudhary if (!(idc_ctrl & GRACEFUL_RESET_BIT1)) { 44616cf94121SVikas Chaudhary ql4_printk(KERN_INFO, ha, "%s: Graceful reset bit is not set\n", 44626cf94121SVikas Chaudhary __func__); 44636cf94121SVikas Chaudhary qla4xxx_mailbox_premature_completion( 44646cf94121SVikas Chaudhary ha); 44656cf94121SVikas Chaudhary } 44666cf94121SVikas Chaudhary } 44676cf94121SVikas Chaudhary 4468b37ca418SVikas Chaudhary if ((is_qla8032(ha) || is_qla8042(ha)) || 44696e7b4292SVikas Chaudhary (is_qla8022(ha) && !ql4xdontresethba)) { 4470f4f5df23SVikas Chaudhary set_bit(DPC_RESET_HA, &ha->dpc_flags); 4471f4f5df23SVikas Chaudhary qla4xxx_wake_dpc(ha); 44723930b8c1SVikas Chaudhary } 4473de8c72daSVikas Chaudhary } else if (dev_state == QLA8XXX_DEV_NEED_QUIESCENT && 4474f4f5df23SVikas Chaudhary !test_bit(DPC_HA_NEED_QUIESCENT, &ha->dpc_flags)) { 44753930b8c1SVikas Chaudhary ql4_printk(KERN_INFO, ha, "%s: HW State: NEED QUIES!\n", 44763930b8c1SVikas Chaudhary __func__); 4477f4f5df23SVikas Chaudhary set_bit(DPC_HA_NEED_QUIESCENT, &ha->dpc_flags); 4478f4f5df23SVikas Chaudhary qla4xxx_wake_dpc(ha); 4479f4f5df23SVikas Chaudhary } else { 4480f4f5df23SVikas Chaudhary /* Check firmware health */ 44816e7b4292SVikas Chaudhary if (qla4_8xxx_check_fw_alive(ha)) 44826e7b4292SVikas Chaudhary qla4_8xxx_process_fw_error(ha); 4483f4f5df23SVikas Chaudhary } 4484f4f5df23SVikas Chaudhary } 4485f4f5df23SVikas Chaudhary } 4486f4f5df23SVikas Chaudhary 44874a4bc2e9SLalit Chandivade static void qla4xxx_check_relogin_flash_ddb(struct iscsi_cls_session *cls_sess) 448813483730SMike Christie { 448913483730SMike Christie struct iscsi_session *sess; 449013483730SMike Christie struct ddb_entry *ddb_entry; 449113483730SMike Christie struct scsi_qla_host *ha; 449213483730SMike Christie 449313483730SMike Christie sess = cls_sess->dd_data; 449413483730SMike Christie ddb_entry = sess->dd_data; 449513483730SMike Christie ha = ddb_entry->ha; 449613483730SMike Christie 449713483730SMike Christie if (!(ddb_entry->ddb_type == FLASH_DDB)) 449813483730SMike Christie return; 449913483730SMike Christie 450013483730SMike Christie if (adapter_up(ha) && !test_bit(DF_RELOGIN, &ddb_entry->flags) && 450113483730SMike Christie !iscsi_is_session_online(cls_sess)) { 450213483730SMike Christie if (atomic_read(&ddb_entry->retry_relogin_timer) != 450313483730SMike Christie INVALID_ENTRY) { 450413483730SMike Christie if (atomic_read(&ddb_entry->retry_relogin_timer) == 450513483730SMike Christie 0) { 450613483730SMike Christie atomic_set(&ddb_entry->retry_relogin_timer, 450713483730SMike Christie INVALID_ENTRY); 450813483730SMike Christie set_bit(DPC_RELOGIN_DEVICE, &ha->dpc_flags); 450913483730SMike Christie set_bit(DF_RELOGIN, &ddb_entry->flags); 451013483730SMike Christie DEBUG2(ql4_printk(KERN_INFO, ha, 451113483730SMike Christie "%s: index [%d] login device\n", 451213483730SMike Christie __func__, ddb_entry->fw_ddb_index)); 451313483730SMike Christie } else 451413483730SMike Christie atomic_dec(&ddb_entry->retry_relogin_timer); 451513483730SMike Christie } 451613483730SMike Christie } 451713483730SMike Christie 451813483730SMike Christie /* Wait for relogin to timeout */ 451913483730SMike Christie if (atomic_read(&ddb_entry->relogin_timer) && 452013483730SMike Christie (atomic_dec_and_test(&ddb_entry->relogin_timer) != 0)) { 452113483730SMike Christie /* 452213483730SMike Christie * If the relogin times out and the device is 452313483730SMike Christie * still NOT ONLINE then try and relogin again. 452413483730SMike Christie */ 452513483730SMike Christie if (!iscsi_is_session_online(cls_sess)) { 452613483730SMike Christie /* Reset retry relogin timer */ 452713483730SMike Christie atomic_inc(&ddb_entry->relogin_retry_count); 452813483730SMike Christie DEBUG2(ql4_printk(KERN_INFO, ha, 452913483730SMike Christie "%s: index[%d] relogin timed out-retrying" 453013483730SMike Christie " relogin (%d), retry (%d)\n", __func__, 453113483730SMike Christie ddb_entry->fw_ddb_index, 453213483730SMike Christie atomic_read(&ddb_entry->relogin_retry_count), 453313483730SMike Christie ddb_entry->default_time2wait + 4)); 453413483730SMike Christie set_bit(DPC_RELOGIN_DEVICE, &ha->dpc_flags); 453513483730SMike Christie atomic_set(&ddb_entry->retry_relogin_timer, 453613483730SMike Christie ddb_entry->default_time2wait + 4); 453713483730SMike Christie } 453813483730SMike Christie } 453913483730SMike Christie } 454013483730SMike Christie 4541f4f5df23SVikas Chaudhary /** 4542afaf5a2dSDavid Somayajulu * qla4xxx_timer - checks every second for work to do. 4543cdeeb36dSLee Jones * @t: Context to obtain pointer to host adapter structure. 4544afaf5a2dSDavid Somayajulu **/ 4545d744644aSKees Cook static void qla4xxx_timer(struct timer_list *t) 4546afaf5a2dSDavid Somayajulu { 4547d744644aSKees Cook struct scsi_qla_host *ha = from_timer(ha, t, timer); 4548afaf5a2dSDavid Somayajulu int start_dpc = 0; 45492232be0dSLalit Chandivade uint16_t w; 45502232be0dSLalit Chandivade 455113483730SMike Christie iscsi_host_for_each_session(ha->host, qla4xxx_check_relogin_flash_ddb); 455213483730SMike Christie 45532232be0dSLalit Chandivade /* If we are in the middle of AER/EEH processing 45542232be0dSLalit Chandivade * skip any processing and reschedule the timer 45552232be0dSLalit Chandivade */ 45562232be0dSLalit Chandivade if (test_bit(AF_EEH_BUSY, &ha->flags)) { 45572232be0dSLalit Chandivade mod_timer(&ha->timer, jiffies + HZ); 45582232be0dSLalit Chandivade return; 45592232be0dSLalit Chandivade } 45602232be0dSLalit Chandivade 45612232be0dSLalit Chandivade /* Hardware read to trigger an EEH error during mailbox waits. */ 45622232be0dSLalit Chandivade if (!pci_channel_offline(ha->pdev)) 45632232be0dSLalit Chandivade pci_read_config_word(ha->pdev, PCI_VENDOR_ID, &w); 4564afaf5a2dSDavid Somayajulu 45656e7b4292SVikas Chaudhary if (is_qla80XX(ha)) 4566f4f5df23SVikas Chaudhary qla4_8xxx_watchdog(ha); 4567f4f5df23SVikas Chaudhary 4568ee996a69SVikas Chaudhary if (is_qla40XX(ha)) { 4569afaf5a2dSDavid Somayajulu /* Check for heartbeat interval. */ 4570afaf5a2dSDavid Somayajulu if (ha->firmware_options & FWOPT_HEARTBEAT_ENABLE && 4571afaf5a2dSDavid Somayajulu ha->heartbeat_interval != 0) { 4572afaf5a2dSDavid Somayajulu ha->seconds_since_last_heartbeat++; 4573afaf5a2dSDavid Somayajulu if (ha->seconds_since_last_heartbeat > 4574afaf5a2dSDavid Somayajulu ha->heartbeat_interval + 2) 4575afaf5a2dSDavid Somayajulu set_bit(DPC_RESET_HA, &ha->dpc_flags); 4576afaf5a2dSDavid Somayajulu } 4577f4f5df23SVikas Chaudhary } 4578afaf5a2dSDavid Somayajulu 4579ff884430SVikas Chaudhary /* Process any deferred work. */ 4580ff884430SVikas Chaudhary if (!list_empty(&ha->work_list)) 4581ff884430SVikas Chaudhary start_dpc++; 4582ff884430SVikas Chaudhary 4583afaf5a2dSDavid Somayajulu /* Wakeup the dpc routine for this adapter, if needed. */ 45841b46807eSLalit Chandivade if (start_dpc || 4585afaf5a2dSDavid Somayajulu test_bit(DPC_RESET_HA, &ha->dpc_flags) || 4586afaf5a2dSDavid Somayajulu test_bit(DPC_RETRY_RESET_HA, &ha->dpc_flags) || 4587afaf5a2dSDavid Somayajulu test_bit(DPC_RELOGIN_DEVICE, &ha->dpc_flags) || 4588f4f5df23SVikas Chaudhary test_bit(DPC_RESET_HA_FW_CONTEXT, &ha->dpc_flags) || 4589afaf5a2dSDavid Somayajulu test_bit(DPC_RESET_HA_INTR, &ha->dpc_flags) || 4590afaf5a2dSDavid Somayajulu test_bit(DPC_GET_DHCP_IP_ADDR, &ha->dpc_flags) || 4591065aa1b4SVikas Chaudhary test_bit(DPC_LINK_CHANGED, &ha->dpc_flags) || 4592f4f5df23SVikas Chaudhary test_bit(DPC_HA_UNRECOVERABLE, &ha->dpc_flags) || 4593f4f5df23SVikas Chaudhary test_bit(DPC_HA_NEED_QUIESCENT, &ha->dpc_flags) || 4594906cbf3dSNilesh Javali test_bit(DPC_SYSFS_DDB_EXPORT, &ha->dpc_flags) || 45951b46807eSLalit Chandivade test_bit(DPC_AEN, &ha->dpc_flags)) { 4596afaf5a2dSDavid Somayajulu DEBUG2(printk("scsi%ld: %s: scheduling dpc routine" 4597afaf5a2dSDavid Somayajulu " - dpc flags = 0x%lx\n", 4598afaf5a2dSDavid Somayajulu ha->host_no, __func__, ha->dpc_flags)); 4599f4f5df23SVikas Chaudhary qla4xxx_wake_dpc(ha); 4600afaf5a2dSDavid Somayajulu } 4601afaf5a2dSDavid Somayajulu 4602afaf5a2dSDavid Somayajulu /* Reschedule timer thread to call us back in one second */ 4603afaf5a2dSDavid Somayajulu mod_timer(&ha->timer, jiffies + HZ); 4604afaf5a2dSDavid Somayajulu 4605afaf5a2dSDavid Somayajulu DEBUG2(ha->seconds_since_last_intr++); 4606afaf5a2dSDavid Somayajulu } 4607afaf5a2dSDavid Somayajulu 4608afaf5a2dSDavid Somayajulu /** 4609afaf5a2dSDavid Somayajulu * qla4xxx_cmd_wait - waits for all outstanding commands to complete 4610afaf5a2dSDavid Somayajulu * @ha: Pointer to host adapter structure. 4611afaf5a2dSDavid Somayajulu * 4612afaf5a2dSDavid Somayajulu * This routine stalls the driver until all outstanding commands are returned. 4613afaf5a2dSDavid Somayajulu * Caller must release the Hardware Lock prior to calling this routine. 4614afaf5a2dSDavid Somayajulu **/ 4615afaf5a2dSDavid Somayajulu static int qla4xxx_cmd_wait(struct scsi_qla_host *ha) 4616afaf5a2dSDavid Somayajulu { 4617afaf5a2dSDavid Somayajulu uint32_t index = 0; 4618afaf5a2dSDavid Somayajulu unsigned long flags; 4619afaf5a2dSDavid Somayajulu struct scsi_cmnd *cmd; 462061d9a2b6STej Parkash unsigned long wtime; 462161d9a2b6STej Parkash uint32_t wtmo; 4622afaf5a2dSDavid Somayajulu 462361d9a2b6STej Parkash if (is_qla40XX(ha)) 462461d9a2b6STej Parkash wtmo = WAIT_CMD_TOV; 462561d9a2b6STej Parkash else 462661d9a2b6STej Parkash wtmo = ha->nx_reset_timeout / 2; 4627f4f5df23SVikas Chaudhary 462861d9a2b6STej Parkash wtime = jiffies + (wtmo * HZ); 462961d9a2b6STej Parkash 463061d9a2b6STej Parkash DEBUG2(ql4_printk(KERN_INFO, ha, 463161d9a2b6STej Parkash "Wait up to %u seconds for cmds to complete\n", 463261d9a2b6STej Parkash wtmo)); 4633f4f5df23SVikas Chaudhary 4634f4f5df23SVikas Chaudhary while (!time_after_eq(jiffies, wtime)) { 4635afaf5a2dSDavid Somayajulu spin_lock_irqsave(&ha->hardware_lock, flags); 4636afaf5a2dSDavid Somayajulu /* Find a command that hasn't completed. */ 4637afaf5a2dSDavid Somayajulu for (index = 0; index < ha->host->can_queue; index++) { 4638afaf5a2dSDavid Somayajulu cmd = scsi_host_find_tag(ha->host, index); 4639a1e0063dSMike Christie /* 4640a1e0063dSMike Christie * We cannot just check if the index is valid, 4641a1e0063dSMike Christie * becase if we are run from the scsi eh, then 4642a1e0063dSMike Christie * the scsi/block layer is going to prevent 4643a1e0063dSMike Christie * the tag from being released. 4644a1e0063dSMike Christie */ 4645a1e0063dSMike Christie if (cmd != NULL && CMD_SP(cmd)) 4646afaf5a2dSDavid Somayajulu break; 4647afaf5a2dSDavid Somayajulu } 4648afaf5a2dSDavid Somayajulu spin_unlock_irqrestore(&ha->hardware_lock, flags); 4649afaf5a2dSDavid Somayajulu 4650afaf5a2dSDavid Somayajulu /* If No Commands are pending, wait is complete */ 4651f4f5df23SVikas Chaudhary if (index == ha->host->can_queue) 4652f4f5df23SVikas Chaudhary return QLA_SUCCESS; 4653afaf5a2dSDavid Somayajulu 4654afaf5a2dSDavid Somayajulu msleep(1000); 4655afaf5a2dSDavid Somayajulu } 4656f4f5df23SVikas Chaudhary /* If we timed out on waiting for commands to come back 4657f4f5df23SVikas Chaudhary * return ERROR. */ 4658f4f5df23SVikas Chaudhary return QLA_ERROR; 4659afaf5a2dSDavid Somayajulu } 4660afaf5a2dSDavid Somayajulu 4661f4f5df23SVikas Chaudhary int qla4xxx_hw_reset(struct scsi_qla_host *ha) 4662afaf5a2dSDavid Somayajulu { 4663afaf5a2dSDavid Somayajulu uint32_t ctrl_status; 4664477ffb9dSDavid C Somayajulu unsigned long flags = 0; 4665477ffb9dSDavid C Somayajulu 4666477ffb9dSDavid C Somayajulu DEBUG2(printk(KERN_ERR "scsi%ld: %s\n", ha->host_no, __func__)); 4667afaf5a2dSDavid Somayajulu 4668f4f5df23SVikas Chaudhary if (ql4xxx_lock_drvr_wait(ha) != QLA_SUCCESS) 4669f4f5df23SVikas Chaudhary return QLA_ERROR; 4670f4f5df23SVikas Chaudhary 4671afaf5a2dSDavid Somayajulu spin_lock_irqsave(&ha->hardware_lock, flags); 4672afaf5a2dSDavid Somayajulu 4673afaf5a2dSDavid Somayajulu /* 4674afaf5a2dSDavid Somayajulu * If the SCSI Reset Interrupt bit is set, clear it. 4675afaf5a2dSDavid Somayajulu * Otherwise, the Soft Reset won't work. 4676afaf5a2dSDavid Somayajulu */ 4677afaf5a2dSDavid Somayajulu ctrl_status = readw(&ha->reg->ctrl_status); 4678afaf5a2dSDavid Somayajulu if ((ctrl_status & CSR_SCSI_RESET_INTR) != 0) 4679afaf5a2dSDavid Somayajulu writel(set_rmask(CSR_SCSI_RESET_INTR), &ha->reg->ctrl_status); 4680afaf5a2dSDavid Somayajulu 4681afaf5a2dSDavid Somayajulu /* Issue Soft Reset */ 4682afaf5a2dSDavid Somayajulu writel(set_rmask(CSR_SOFT_RESET), &ha->reg->ctrl_status); 4683afaf5a2dSDavid Somayajulu readl(&ha->reg->ctrl_status); 4684afaf5a2dSDavid Somayajulu 4685afaf5a2dSDavid Somayajulu spin_unlock_irqrestore(&ha->hardware_lock, flags); 4686f4f5df23SVikas Chaudhary return QLA_SUCCESS; 4687477ffb9dSDavid C Somayajulu } 4688477ffb9dSDavid C Somayajulu 4689477ffb9dSDavid C Somayajulu /** 4690477ffb9dSDavid C Somayajulu * qla4xxx_soft_reset - performs soft reset. 4691477ffb9dSDavid C Somayajulu * @ha: Pointer to host adapter structure. 4692477ffb9dSDavid C Somayajulu **/ 4693477ffb9dSDavid C Somayajulu int qla4xxx_soft_reset(struct scsi_qla_host *ha) 4694477ffb9dSDavid C Somayajulu { 4695477ffb9dSDavid C Somayajulu uint32_t max_wait_time; 4696477ffb9dSDavid C Somayajulu unsigned long flags = 0; 4697f931c534SVikas Chaudhary int status; 4698477ffb9dSDavid C Somayajulu uint32_t ctrl_status; 4699477ffb9dSDavid C Somayajulu 4700f931c534SVikas Chaudhary status = qla4xxx_hw_reset(ha); 4701f931c534SVikas Chaudhary if (status != QLA_SUCCESS) 4702f931c534SVikas Chaudhary return status; 4703afaf5a2dSDavid Somayajulu 4704f931c534SVikas Chaudhary status = QLA_ERROR; 4705afaf5a2dSDavid Somayajulu /* Wait until the Network Reset Intr bit is cleared */ 4706afaf5a2dSDavid Somayajulu max_wait_time = RESET_INTR_TOV; 4707afaf5a2dSDavid Somayajulu do { 4708afaf5a2dSDavid Somayajulu spin_lock_irqsave(&ha->hardware_lock, flags); 4709afaf5a2dSDavid Somayajulu ctrl_status = readw(&ha->reg->ctrl_status); 4710afaf5a2dSDavid Somayajulu spin_unlock_irqrestore(&ha->hardware_lock, flags); 4711afaf5a2dSDavid Somayajulu 4712afaf5a2dSDavid Somayajulu if ((ctrl_status & CSR_NET_RESET_INTR) == 0) 4713afaf5a2dSDavid Somayajulu break; 4714afaf5a2dSDavid Somayajulu 4715afaf5a2dSDavid Somayajulu msleep(1000); 4716afaf5a2dSDavid Somayajulu } while ((--max_wait_time)); 4717afaf5a2dSDavid Somayajulu 4718afaf5a2dSDavid Somayajulu if ((ctrl_status & CSR_NET_RESET_INTR) != 0) { 4719afaf5a2dSDavid Somayajulu DEBUG2(printk(KERN_WARNING 4720afaf5a2dSDavid Somayajulu "scsi%ld: Network Reset Intr not cleared by " 4721afaf5a2dSDavid Somayajulu "Network function, clearing it now!\n", 4722afaf5a2dSDavid Somayajulu ha->host_no)); 4723afaf5a2dSDavid Somayajulu spin_lock_irqsave(&ha->hardware_lock, flags); 4724afaf5a2dSDavid Somayajulu writel(set_rmask(CSR_NET_RESET_INTR), &ha->reg->ctrl_status); 4725afaf5a2dSDavid Somayajulu readl(&ha->reg->ctrl_status); 4726afaf5a2dSDavid Somayajulu spin_unlock_irqrestore(&ha->hardware_lock, flags); 4727afaf5a2dSDavid Somayajulu } 4728afaf5a2dSDavid Somayajulu 4729afaf5a2dSDavid Somayajulu /* Wait until the firmware tells us the Soft Reset is done */ 4730afaf5a2dSDavid Somayajulu max_wait_time = SOFT_RESET_TOV; 4731afaf5a2dSDavid Somayajulu do { 4732afaf5a2dSDavid Somayajulu spin_lock_irqsave(&ha->hardware_lock, flags); 4733afaf5a2dSDavid Somayajulu ctrl_status = readw(&ha->reg->ctrl_status); 4734afaf5a2dSDavid Somayajulu spin_unlock_irqrestore(&ha->hardware_lock, flags); 4735afaf5a2dSDavid Somayajulu 4736afaf5a2dSDavid Somayajulu if ((ctrl_status & CSR_SOFT_RESET) == 0) { 4737afaf5a2dSDavid Somayajulu status = QLA_SUCCESS; 4738afaf5a2dSDavid Somayajulu break; 4739afaf5a2dSDavid Somayajulu } 4740afaf5a2dSDavid Somayajulu 4741afaf5a2dSDavid Somayajulu msleep(1000); 4742afaf5a2dSDavid Somayajulu } while ((--max_wait_time)); 4743afaf5a2dSDavid Somayajulu 4744afaf5a2dSDavid Somayajulu /* 4745afaf5a2dSDavid Somayajulu * Also, make sure that the SCSI Reset Interrupt bit has been cleared 4746afaf5a2dSDavid Somayajulu * after the soft reset has taken place. 4747afaf5a2dSDavid Somayajulu */ 4748afaf5a2dSDavid Somayajulu spin_lock_irqsave(&ha->hardware_lock, flags); 4749afaf5a2dSDavid Somayajulu ctrl_status = readw(&ha->reg->ctrl_status); 4750afaf5a2dSDavid Somayajulu if ((ctrl_status & CSR_SCSI_RESET_INTR) != 0) { 4751afaf5a2dSDavid Somayajulu writel(set_rmask(CSR_SCSI_RESET_INTR), &ha->reg->ctrl_status); 4752afaf5a2dSDavid Somayajulu readl(&ha->reg->ctrl_status); 4753afaf5a2dSDavid Somayajulu } 4754afaf5a2dSDavid Somayajulu spin_unlock_irqrestore(&ha->hardware_lock, flags); 4755afaf5a2dSDavid Somayajulu 4756afaf5a2dSDavid Somayajulu /* If soft reset fails then most probably the bios on other 4757afaf5a2dSDavid Somayajulu * function is also enabled. 4758afaf5a2dSDavid Somayajulu * Since the initialization is sequential the other fn 4759afaf5a2dSDavid Somayajulu * wont be able to acknowledge the soft reset. 4760afaf5a2dSDavid Somayajulu * Issue a force soft reset to workaround this scenario. 4761afaf5a2dSDavid Somayajulu */ 4762afaf5a2dSDavid Somayajulu if (max_wait_time == 0) { 4763afaf5a2dSDavid Somayajulu /* Issue Force Soft Reset */ 4764afaf5a2dSDavid Somayajulu spin_lock_irqsave(&ha->hardware_lock, flags); 4765afaf5a2dSDavid Somayajulu writel(set_rmask(CSR_FORCE_SOFT_RESET), &ha->reg->ctrl_status); 4766afaf5a2dSDavid Somayajulu readl(&ha->reg->ctrl_status); 4767afaf5a2dSDavid Somayajulu spin_unlock_irqrestore(&ha->hardware_lock, flags); 4768afaf5a2dSDavid Somayajulu /* Wait until the firmware tells us the Soft Reset is done */ 4769afaf5a2dSDavid Somayajulu max_wait_time = SOFT_RESET_TOV; 4770afaf5a2dSDavid Somayajulu do { 4771afaf5a2dSDavid Somayajulu spin_lock_irqsave(&ha->hardware_lock, flags); 4772afaf5a2dSDavid Somayajulu ctrl_status = readw(&ha->reg->ctrl_status); 4773afaf5a2dSDavid Somayajulu spin_unlock_irqrestore(&ha->hardware_lock, flags); 4774afaf5a2dSDavid Somayajulu 4775afaf5a2dSDavid Somayajulu if ((ctrl_status & CSR_FORCE_SOFT_RESET) == 0) { 4776afaf5a2dSDavid Somayajulu status = QLA_SUCCESS; 4777afaf5a2dSDavid Somayajulu break; 4778afaf5a2dSDavid Somayajulu } 4779afaf5a2dSDavid Somayajulu 4780afaf5a2dSDavid Somayajulu msleep(1000); 4781afaf5a2dSDavid Somayajulu } while ((--max_wait_time)); 4782afaf5a2dSDavid Somayajulu } 4783afaf5a2dSDavid Somayajulu 4784afaf5a2dSDavid Somayajulu return status; 4785afaf5a2dSDavid Somayajulu } 4786afaf5a2dSDavid Somayajulu 4787afaf5a2dSDavid Somayajulu /** 4788f4f5df23SVikas Chaudhary * qla4xxx_abort_active_cmds - returns all outstanding i/o requests to O.S. 4789afaf5a2dSDavid Somayajulu * @ha: Pointer to host adapter structure. 4790f4f5df23SVikas Chaudhary * @res: returned scsi status 4791afaf5a2dSDavid Somayajulu * 4792afaf5a2dSDavid Somayajulu * This routine is called just prior to a HARD RESET to return all 4793afaf5a2dSDavid Somayajulu * outstanding commands back to the Operating System. 4794afaf5a2dSDavid Somayajulu * Caller should make sure that the following locks are released 4795afaf5a2dSDavid Somayajulu * before this calling routine: Hardware lock, and io_request_lock. 4796afaf5a2dSDavid Somayajulu **/ 4797f4f5df23SVikas Chaudhary static void qla4xxx_abort_active_cmds(struct scsi_qla_host *ha, int res) 4798afaf5a2dSDavid Somayajulu { 4799afaf5a2dSDavid Somayajulu struct srb *srb; 4800afaf5a2dSDavid Somayajulu int i; 4801afaf5a2dSDavid Somayajulu unsigned long flags; 4802afaf5a2dSDavid Somayajulu 4803afaf5a2dSDavid Somayajulu spin_lock_irqsave(&ha->hardware_lock, flags); 4804afaf5a2dSDavid Somayajulu for (i = 0; i < ha->host->can_queue; i++) { 4805afaf5a2dSDavid Somayajulu srb = qla4xxx_del_from_active_array(ha, i); 4806afaf5a2dSDavid Somayajulu if (srb != NULL) { 4807f4f5df23SVikas Chaudhary srb->cmd->result = res; 480809a0f719SVikas Chaudhary kref_put(&srb->srb_ref, qla4xxx_srb_compl); 4809afaf5a2dSDavid Somayajulu } 4810afaf5a2dSDavid Somayajulu } 4811afaf5a2dSDavid Somayajulu spin_unlock_irqrestore(&ha->hardware_lock, flags); 4812afaf5a2dSDavid Somayajulu } 4813afaf5a2dSDavid Somayajulu 4814f4f5df23SVikas Chaudhary void qla4xxx_dead_adapter_cleanup(struct scsi_qla_host *ha) 4815f4f5df23SVikas Chaudhary { 4816f4f5df23SVikas Chaudhary clear_bit(AF_ONLINE, &ha->flags); 4817f4f5df23SVikas Chaudhary 4818f4f5df23SVikas Chaudhary /* Disable the board */ 4819f4f5df23SVikas Chaudhary ql4_printk(KERN_INFO, ha, "Disabling the board\n"); 4820f4f5df23SVikas Chaudhary 4821f4f5df23SVikas Chaudhary qla4xxx_abort_active_cmds(ha, DID_NO_CONNECT << 16); 4822f4f5df23SVikas Chaudhary qla4xxx_mark_all_devices_missing(ha); 4823f4f5df23SVikas Chaudhary clear_bit(AF_INIT_DONE, &ha->flags); 4824f4f5df23SVikas Chaudhary } 4825f4f5df23SVikas Chaudhary 4826b3a271a9SManish Rangankar static void qla4xxx_fail_session(struct iscsi_cls_session *cls_session) 4827b3a271a9SManish Rangankar { 4828b3a271a9SManish Rangankar struct iscsi_session *sess; 4829b3a271a9SManish Rangankar struct ddb_entry *ddb_entry; 4830b3a271a9SManish Rangankar 4831b3a271a9SManish Rangankar sess = cls_session->dd_data; 4832b3a271a9SManish Rangankar ddb_entry = sess->dd_data; 4833b3a271a9SManish Rangankar ddb_entry->fw_ddb_device_state = DDB_DS_SESSION_FAILED; 483413483730SMike Christie 483513483730SMike Christie if (ddb_entry->ddb_type == FLASH_DDB) 483613483730SMike Christie iscsi_block_session(ddb_entry->sess); 483713483730SMike Christie else 483813483730SMike Christie iscsi_session_failure(cls_session->dd_data, 483913483730SMike Christie ISCSI_ERR_CONN_FAILED); 4840b3a271a9SManish Rangankar } 4841b3a271a9SManish Rangankar 4842afaf5a2dSDavid Somayajulu /** 4843afaf5a2dSDavid Somayajulu * qla4xxx_recover_adapter - recovers adapter after a fatal error 4844afaf5a2dSDavid Somayajulu * @ha: Pointer to host adapter structure. 4845afaf5a2dSDavid Somayajulu **/ 4846f4f5df23SVikas Chaudhary static int qla4xxx_recover_adapter(struct scsi_qla_host *ha) 4847afaf5a2dSDavid Somayajulu { 4848f4f5df23SVikas Chaudhary int status = QLA_ERROR; 4849f4f5df23SVikas Chaudhary uint8_t reset_chip = 0; 48508e0f3a66SSarang Radke uint32_t dev_state; 48519ee91a38SShyam Sunder unsigned long wait; 4852afaf5a2dSDavid Somayajulu 4853afaf5a2dSDavid Somayajulu /* Stall incoming I/O until we are done */ 4854f4f5df23SVikas Chaudhary scsi_block_requests(ha->host); 4855afaf5a2dSDavid Somayajulu clear_bit(AF_ONLINE, &ha->flags); 4856b3a271a9SManish Rangankar clear_bit(AF_LINK_UP, &ha->flags); 485750a29aecSMike Christie 4858f4f5df23SVikas Chaudhary DEBUG2(ql4_printk(KERN_INFO, ha, "%s: adapter OFFLINE\n", __func__)); 4859afaf5a2dSDavid Somayajulu 4860f4f5df23SVikas Chaudhary set_bit(DPC_RESET_ACTIVE, &ha->dpc_flags); 4861afaf5a2dSDavid Somayajulu 4862b37ca418SVikas Chaudhary if ((is_qla8032(ha) || is_qla8042(ha)) && 4863546fef27STej Parkash !test_bit(DPC_RESET_HA_FW_CONTEXT, &ha->dpc_flags)) { 4864546fef27STej Parkash ql4_printk(KERN_INFO, ha, "%s: disabling pause transmit on port 0 & 1.\n", 4865546fef27STej Parkash __func__); 4866546fef27STej Parkash /* disable pause frame for ISP83xx */ 4867546fef27STej Parkash qla4_83xx_disable_pause(ha); 4868546fef27STej Parkash } 4869546fef27STej Parkash 4870b3a271a9SManish Rangankar iscsi_host_for_each_session(ha->host, qla4xxx_fail_session); 4871b3a271a9SManish Rangankar 4872f4f5df23SVikas Chaudhary if (test_bit(DPC_RESET_HA, &ha->dpc_flags)) 4873f4f5df23SVikas Chaudhary reset_chip = 1; 4874afaf5a2dSDavid Somayajulu 4875f4f5df23SVikas Chaudhary /* For the DPC_RESET_HA_INTR case (ISP-4xxx specific) 4876f4f5df23SVikas Chaudhary * do not reset adapter, jump to initialize_adapter */ 4877f4f5df23SVikas Chaudhary if (test_bit(DPC_RESET_HA_INTR, &ha->dpc_flags)) { 4878f4f5df23SVikas Chaudhary status = QLA_SUCCESS; 4879f4f5df23SVikas Chaudhary goto recover_ha_init_adapter; 4880afaf5a2dSDavid Somayajulu } 4881afaf5a2dSDavid Somayajulu 48826e7b4292SVikas Chaudhary /* For the ISP-8xxx adapter, issue a stop_firmware if invoked 4883f4f5df23SVikas Chaudhary * from eh_host_reset or ioctl module */ 48846e7b4292SVikas Chaudhary if (is_qla80XX(ha) && !reset_chip && 4885f4f5df23SVikas Chaudhary test_bit(DPC_RESET_HA_FW_CONTEXT, &ha->dpc_flags)) { 4886f4f5df23SVikas Chaudhary 4887f4f5df23SVikas Chaudhary DEBUG2(ql4_printk(KERN_INFO, ha, 4888f4f5df23SVikas Chaudhary "scsi%ld: %s - Performing stop_firmware...\n", 4889f4f5df23SVikas Chaudhary ha->host_no, __func__)); 4890f4f5df23SVikas Chaudhary status = ha->isp_ops->reset_firmware(ha); 4891f4f5df23SVikas Chaudhary if (status == QLA_SUCCESS) { 4892f4f5df23SVikas Chaudhary ha->isp_ops->disable_intrs(ha); 4893f4f5df23SVikas Chaudhary qla4xxx_process_aen(ha, FLUSH_DDB_CHANGED_AENS); 4894f4f5df23SVikas Chaudhary qla4xxx_abort_active_cmds(ha, DID_RESET << 16); 4895f4f5df23SVikas Chaudhary } else { 4896f4f5df23SVikas Chaudhary /* If the stop_firmware fails then 4897f4f5df23SVikas Chaudhary * reset the entire chip */ 4898f4f5df23SVikas Chaudhary reset_chip = 1; 4899f4f5df23SVikas Chaudhary clear_bit(DPC_RESET_HA_FW_CONTEXT, &ha->dpc_flags); 4900f4f5df23SVikas Chaudhary set_bit(DPC_RESET_HA, &ha->dpc_flags); 4901f4f5df23SVikas Chaudhary } 4902f4f5df23SVikas Chaudhary } 4903f4f5df23SVikas Chaudhary 4904f4f5df23SVikas Chaudhary /* Issue full chip reset if recovering from a catastrophic error, 49056e7b4292SVikas Chaudhary * or if stop_firmware fails for ISP-8xxx. 4906f4f5df23SVikas Chaudhary * This is the default case for ISP-4xxx */ 4907ee996a69SVikas Chaudhary if (is_qla40XX(ha) || reset_chip) { 4908ee996a69SVikas Chaudhary if (is_qla40XX(ha)) 49099ee91a38SShyam Sunder goto chip_reset; 49109ee91a38SShyam Sunder 49116e7b4292SVikas Chaudhary /* Check if 8XXX firmware is alive or not 49129ee91a38SShyam Sunder * We may have arrived here from NEED_RESET 49139ee91a38SShyam Sunder * detection only */ 49149ee91a38SShyam Sunder if (test_bit(AF_FW_RECOVERY, &ha->flags)) 49159ee91a38SShyam Sunder goto chip_reset; 49169ee91a38SShyam Sunder 49179ee91a38SShyam Sunder wait = jiffies + (FW_ALIVE_WAIT_TOV * HZ); 49189ee91a38SShyam Sunder while (time_before(jiffies, wait)) { 49199ee91a38SShyam Sunder if (qla4_8xxx_check_fw_alive(ha)) { 49209ee91a38SShyam Sunder qla4xxx_mailbox_premature_completion(ha); 49219ee91a38SShyam Sunder break; 49229ee91a38SShyam Sunder } 49239ee91a38SShyam Sunder 49249ee91a38SShyam Sunder set_current_state(TASK_UNINTERRUPTIBLE); 49259ee91a38SShyam Sunder schedule_timeout(HZ); 49269ee91a38SShyam Sunder } 4927da106212SVikas Chaudhary chip_reset: 49282bd1e2beSNilesh Javali if (!test_bit(AF_FW_RECOVERY, &ha->flags)) 4929f4f5df23SVikas Chaudhary qla4xxx_cmd_wait(ha); 4930da106212SVikas Chaudhary 4931f4f5df23SVikas Chaudhary qla4xxx_process_aen(ha, FLUSH_DDB_CHANGED_AENS); 4932f4f5df23SVikas Chaudhary DEBUG2(ql4_printk(KERN_INFO, ha, 4933f4f5df23SVikas Chaudhary "scsi%ld: %s - Performing chip reset..\n", 4934f4f5df23SVikas Chaudhary ha->host_no, __func__)); 4935f4f5df23SVikas Chaudhary status = ha->isp_ops->reset_chip(ha); 493661d9a2b6STej Parkash qla4xxx_abort_active_cmds(ha, DID_RESET << 16); 4937f4f5df23SVikas Chaudhary } 4938f4f5df23SVikas Chaudhary 4939f4f5df23SVikas Chaudhary /* Flush any pending ddb changed AENs */ 4940f4f5df23SVikas Chaudhary qla4xxx_process_aen(ha, FLUSH_DDB_CHANGED_AENS); 4941f4f5df23SVikas Chaudhary 4942f4f5df23SVikas Chaudhary recover_ha_init_adapter: 4943f4f5df23SVikas Chaudhary /* Upon successful firmware/chip reset, re-initialize the adapter */ 4944f4f5df23SVikas Chaudhary if (status == QLA_SUCCESS) { 4945f4f5df23SVikas Chaudhary /* For ISP-4xxx, force function 1 to always initialize 4946f4f5df23SVikas Chaudhary * before function 3 to prevent both funcions from 4947f4f5df23SVikas Chaudhary * stepping on top of the other */ 4948ee996a69SVikas Chaudhary if (is_qla40XX(ha) && (ha->mac_index == 3)) 4949f4f5df23SVikas Chaudhary ssleep(6); 4950f4f5df23SVikas Chaudhary 4951f4f5df23SVikas Chaudhary /* NOTE: AF_ONLINE flag set upon successful completion of 4952f4f5df23SVikas Chaudhary * qla4xxx_initialize_adapter */ 495313483730SMike Christie status = qla4xxx_initialize_adapter(ha, RESET_ADAPTER); 495437418cc6SNilesh Javali if (is_qla80XX(ha) && (status == QLA_ERROR)) { 495537418cc6SNilesh Javali status = qla4_8xxx_check_init_adapter_retry(ha); 495637418cc6SNilesh Javali if (status == QLA_ERROR) { 495737418cc6SNilesh Javali ql4_printk(KERN_INFO, ha, "scsi%ld: %s: Don't retry recover adapter\n", 495837418cc6SNilesh Javali ha->host_no, __func__); 495937418cc6SNilesh Javali qla4xxx_dead_adapter_cleanup(ha); 496037418cc6SNilesh Javali clear_bit(DPC_RETRY_RESET_HA, &ha->dpc_flags); 496137418cc6SNilesh Javali clear_bit(DPC_RESET_HA, &ha->dpc_flags); 496237418cc6SNilesh Javali clear_bit(DPC_RESET_HA_FW_CONTEXT, 496337418cc6SNilesh Javali &ha->dpc_flags); 496437418cc6SNilesh Javali goto exit_recover; 496537418cc6SNilesh Javali } 496637418cc6SNilesh Javali } 4967f4f5df23SVikas Chaudhary } 4968f4f5df23SVikas Chaudhary 4969f4f5df23SVikas Chaudhary /* Retry failed adapter initialization, if necessary 4970f4f5df23SVikas Chaudhary * Do not retry initialize_adapter for RESET_HA_INTR (ISP-4xxx specific) 4971f4f5df23SVikas Chaudhary * case to prevent ping-pong resets between functions */ 4972f4f5df23SVikas Chaudhary if (!test_bit(AF_ONLINE, &ha->flags) && 4973f4f5df23SVikas Chaudhary !test_bit(DPC_RESET_HA_INTR, &ha->dpc_flags)) { 4974afaf5a2dSDavid Somayajulu /* Adapter initialization failed, see if we can retry 4975f4f5df23SVikas Chaudhary * resetting the ha. 4976f4f5df23SVikas Chaudhary * Since we don't want to block the DPC for too long 4977f4f5df23SVikas Chaudhary * with multiple resets in the same thread, 4978f4f5df23SVikas Chaudhary * utilize DPC to retry */ 49796e7b4292SVikas Chaudhary if (is_qla80XX(ha)) { 498033693c7aSVikas Chaudhary ha->isp_ops->idc_lock(ha); 498133693c7aSVikas Chaudhary dev_state = qla4_8xxx_rd_direct(ha, 498233693c7aSVikas Chaudhary QLA8XXX_CRB_DEV_STATE); 498333693c7aSVikas Chaudhary ha->isp_ops->idc_unlock(ha); 4984de8c72daSVikas Chaudhary if (dev_state == QLA8XXX_DEV_FAILED) { 49858e0f3a66SSarang Radke ql4_printk(KERN_INFO, ha, "%s: don't retry " 49868e0f3a66SSarang Radke "recover adapter. H/W is in Failed " 49878e0f3a66SSarang Radke "state\n", __func__); 49888e0f3a66SSarang Radke qla4xxx_dead_adapter_cleanup(ha); 49898e0f3a66SSarang Radke clear_bit(DPC_RETRY_RESET_HA, &ha->dpc_flags); 49908e0f3a66SSarang Radke clear_bit(DPC_RESET_HA, &ha->dpc_flags); 49918e0f3a66SSarang Radke clear_bit(DPC_RESET_HA_FW_CONTEXT, 49928e0f3a66SSarang Radke &ha->dpc_flags); 49938e0f3a66SSarang Radke status = QLA_ERROR; 49948e0f3a66SSarang Radke 49958e0f3a66SSarang Radke goto exit_recover; 49968e0f3a66SSarang Radke } 49978e0f3a66SSarang Radke } 49988e0f3a66SSarang Radke 4999afaf5a2dSDavid Somayajulu if (!test_bit(DPC_RETRY_RESET_HA, &ha->dpc_flags)) { 5000afaf5a2dSDavid Somayajulu ha->retry_reset_ha_cnt = MAX_RESET_HA_RETRIES; 5001afaf5a2dSDavid Somayajulu DEBUG2(printk("scsi%ld: recover adapter - retrying " 5002afaf5a2dSDavid Somayajulu "(%d) more times\n", ha->host_no, 5003afaf5a2dSDavid Somayajulu ha->retry_reset_ha_cnt)); 5004afaf5a2dSDavid Somayajulu set_bit(DPC_RETRY_RESET_HA, &ha->dpc_flags); 5005afaf5a2dSDavid Somayajulu status = QLA_ERROR; 5006afaf5a2dSDavid Somayajulu } else { 5007afaf5a2dSDavid Somayajulu if (ha->retry_reset_ha_cnt > 0) { 5008afaf5a2dSDavid Somayajulu /* Schedule another Reset HA--DPC will retry */ 5009afaf5a2dSDavid Somayajulu ha->retry_reset_ha_cnt--; 5010afaf5a2dSDavid Somayajulu DEBUG2(printk("scsi%ld: recover adapter - " 5011afaf5a2dSDavid Somayajulu "retry remaining %d\n", 5012afaf5a2dSDavid Somayajulu ha->host_no, 5013afaf5a2dSDavid Somayajulu ha->retry_reset_ha_cnt)); 5014afaf5a2dSDavid Somayajulu status = QLA_ERROR; 5015afaf5a2dSDavid Somayajulu } 5016afaf5a2dSDavid Somayajulu 5017afaf5a2dSDavid Somayajulu if (ha->retry_reset_ha_cnt == 0) { 5018afaf5a2dSDavid Somayajulu /* Recover adapter retries have been exhausted. 5019afaf5a2dSDavid Somayajulu * Adapter DEAD */ 5020afaf5a2dSDavid Somayajulu DEBUG2(printk("scsi%ld: recover adapter " 5021afaf5a2dSDavid Somayajulu "failed - board disabled\n", 5022afaf5a2dSDavid Somayajulu ha->host_no)); 5023f4f5df23SVikas Chaudhary qla4xxx_dead_adapter_cleanup(ha); 5024afaf5a2dSDavid Somayajulu clear_bit(DPC_RETRY_RESET_HA, &ha->dpc_flags); 5025afaf5a2dSDavid Somayajulu clear_bit(DPC_RESET_HA, &ha->dpc_flags); 5026f4f5df23SVikas Chaudhary clear_bit(DPC_RESET_HA_FW_CONTEXT, 5027afaf5a2dSDavid Somayajulu &ha->dpc_flags); 5028afaf5a2dSDavid Somayajulu status = QLA_ERROR; 5029afaf5a2dSDavid Somayajulu } 5030afaf5a2dSDavid Somayajulu } 5031afaf5a2dSDavid Somayajulu } else { 5032afaf5a2dSDavid Somayajulu clear_bit(DPC_RESET_HA, &ha->dpc_flags); 5033f4f5df23SVikas Chaudhary clear_bit(DPC_RESET_HA_FW_CONTEXT, &ha->dpc_flags); 5034afaf5a2dSDavid Somayajulu clear_bit(DPC_RETRY_RESET_HA, &ha->dpc_flags); 5035afaf5a2dSDavid Somayajulu } 5036afaf5a2dSDavid Somayajulu 50378e0f3a66SSarang Radke exit_recover: 5038afaf5a2dSDavid Somayajulu ha->adapter_error_count++; 5039afaf5a2dSDavid Somayajulu 5040f4f5df23SVikas Chaudhary if (test_bit(AF_ONLINE, &ha->flags)) 5041f4f5df23SVikas Chaudhary ha->isp_ops->enable_intrs(ha); 5042afaf5a2dSDavid Somayajulu 5043f4f5df23SVikas Chaudhary scsi_unblock_requests(ha->host); 5044f4f5df23SVikas Chaudhary 5045f4f5df23SVikas Chaudhary clear_bit(DPC_RESET_ACTIVE, &ha->dpc_flags); 5046f4f5df23SVikas Chaudhary DEBUG2(printk("scsi%ld: recover adapter: %s\n", ha->host_no, 504725985edcSLucas De Marchi status == QLA_ERROR ? "FAILED" : "SUCCEEDED")); 5048f4f5df23SVikas Chaudhary 5049afaf5a2dSDavid Somayajulu return status; 5050afaf5a2dSDavid Somayajulu } 5051afaf5a2dSDavid Somayajulu 5052b3a271a9SManish Rangankar static void qla4xxx_relogin_devices(struct iscsi_cls_session *cls_session) 5053b3a271a9SManish Rangankar { 5054b3a271a9SManish Rangankar struct iscsi_session *sess; 5055b3a271a9SManish Rangankar struct ddb_entry *ddb_entry; 5056b3a271a9SManish Rangankar struct scsi_qla_host *ha; 5057b3a271a9SManish Rangankar 5058b3a271a9SManish Rangankar sess = cls_session->dd_data; 5059b3a271a9SManish Rangankar ddb_entry = sess->dd_data; 5060b3a271a9SManish Rangankar ha = ddb_entry->ha; 5061b3a271a9SManish Rangankar if (!iscsi_is_session_online(cls_session)) { 5062b3a271a9SManish Rangankar if (ddb_entry->fw_ddb_device_state == DDB_DS_SESSION_ACTIVE) { 5063b3a271a9SManish Rangankar ql4_printk(KERN_INFO, ha, "scsi%ld: %s: ddb[%d]" 5064b3a271a9SManish Rangankar " unblock session\n", ha->host_no, __func__, 5065b3a271a9SManish Rangankar ddb_entry->fw_ddb_index); 5066b3a271a9SManish Rangankar iscsi_unblock_session(ddb_entry->sess); 5067b3a271a9SManish Rangankar } else { 5068b3a271a9SManish Rangankar /* Trigger relogin */ 506913483730SMike Christie if (ddb_entry->ddb_type == FLASH_DDB) { 507099c6a33bSAdheer Chandravanshi if (!(test_bit(DF_RELOGIN, &ddb_entry->flags) || 507199c6a33bSAdheer Chandravanshi test_bit(DF_DISABLE_RELOGIN, 507299c6a33bSAdheer Chandravanshi &ddb_entry->flags))) 507313483730SMike Christie qla4xxx_arm_relogin_timer(ddb_entry); 507413483730SMike Christie } else 5075b3a271a9SManish Rangankar iscsi_session_failure(cls_session->dd_data, 5076b3a271a9SManish Rangankar ISCSI_ERR_CONN_FAILED); 5077b3a271a9SManish Rangankar } 5078b3a271a9SManish Rangankar } 5079b3a271a9SManish Rangankar } 5080b3a271a9SManish Rangankar 508113483730SMike Christie int qla4xxx_unblock_flash_ddb(struct iscsi_cls_session *cls_session) 508213483730SMike Christie { 508313483730SMike Christie struct iscsi_session *sess; 508413483730SMike Christie struct ddb_entry *ddb_entry; 508513483730SMike Christie struct scsi_qla_host *ha; 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 session\n", ha->host_no, __func__, 509213483730SMike Christie ddb_entry->fw_ddb_index); 509313483730SMike Christie 509413483730SMike Christie iscsi_unblock_session(ddb_entry->sess); 509513483730SMike Christie 509613483730SMike Christie /* Start scan target */ 509713483730SMike Christie if (test_bit(AF_ONLINE, &ha->flags)) { 509813483730SMike Christie ql4_printk(KERN_INFO, ha, "scsi%ld: %s: ddb[%d]" 509913483730SMike Christie " start scan\n", ha->host_no, __func__, 510013483730SMike Christie ddb_entry->fw_ddb_index); 510113483730SMike Christie scsi_queue_work(ha->host, &ddb_entry->sess->scan_work); 510213483730SMike Christie } 510313483730SMike Christie return QLA_SUCCESS; 510413483730SMike Christie } 510513483730SMike Christie 510613483730SMike Christie int qla4xxx_unblock_ddb(struct iscsi_cls_session *cls_session) 510713483730SMike Christie { 510813483730SMike Christie struct iscsi_session *sess; 510913483730SMike Christie struct ddb_entry *ddb_entry; 511013483730SMike Christie struct scsi_qla_host *ha; 511180c53e64SManish Rangankar int status = QLA_SUCCESS; 511213483730SMike Christie 511313483730SMike Christie sess = cls_session->dd_data; 511413483730SMike Christie ddb_entry = sess->dd_data; 511513483730SMike Christie ha = ddb_entry->ha; 511613483730SMike Christie ql4_printk(KERN_INFO, ha, "scsi%ld: %s: ddb[%d]" 511713483730SMike Christie " unblock user space session\n", ha->host_no, __func__, 511813483730SMike Christie ddb_entry->fw_ddb_index); 511980c53e64SManish Rangankar 512080c53e64SManish Rangankar if (!iscsi_is_session_online(cls_session)) { 512113483730SMike Christie iscsi_conn_start(ddb_entry->conn); 512213483730SMike Christie iscsi_conn_login_event(ddb_entry->conn, 512313483730SMike Christie ISCSI_CONN_STATE_LOGGED_IN); 512480c53e64SManish Rangankar } else { 512580c53e64SManish Rangankar ql4_printk(KERN_INFO, ha, 512680c53e64SManish Rangankar "scsi%ld: %s: ddb[%d] session [%d] already logged in\n", 512780c53e64SManish Rangankar ha->host_no, __func__, ddb_entry->fw_ddb_index, 512880c53e64SManish Rangankar cls_session->sid); 512980c53e64SManish Rangankar status = QLA_ERROR; 513080c53e64SManish Rangankar } 513113483730SMike Christie 513280c53e64SManish Rangankar return status; 513313483730SMike Christie } 513413483730SMike Christie 51352d7924e6SVikas Chaudhary static void qla4xxx_relogin_all_devices(struct scsi_qla_host *ha) 51362d7924e6SVikas Chaudhary { 5137b3a271a9SManish Rangankar iscsi_host_for_each_session(ha->host, qla4xxx_relogin_devices); 51382d7924e6SVikas Chaudhary } 51392d7924e6SVikas Chaudhary 514013483730SMike Christie static void qla4xxx_relogin_flash_ddb(struct iscsi_cls_session *cls_sess) 514113483730SMike Christie { 514213483730SMike Christie uint16_t relogin_timer; 514313483730SMike Christie struct iscsi_session *sess; 514413483730SMike Christie struct ddb_entry *ddb_entry; 514513483730SMike Christie struct scsi_qla_host *ha; 514613483730SMike Christie 514713483730SMike Christie sess = cls_sess->dd_data; 514813483730SMike Christie ddb_entry = sess->dd_data; 514913483730SMike Christie ha = ddb_entry->ha; 515013483730SMike Christie 515113483730SMike Christie relogin_timer = max(ddb_entry->default_relogin_timeout, 515213483730SMike Christie (uint16_t)RELOGIN_TOV); 515313483730SMike Christie atomic_set(&ddb_entry->relogin_timer, relogin_timer); 515413483730SMike Christie 515513483730SMike Christie DEBUG2(ql4_printk(KERN_INFO, ha, 515613483730SMike Christie "scsi%ld: Relogin index [%d]. TOV=%d\n", ha->host_no, 515713483730SMike Christie ddb_entry->fw_ddb_index, relogin_timer)); 515813483730SMike Christie 515913483730SMike Christie qla4xxx_login_flash_ddb(cls_sess); 516013483730SMike Christie } 516113483730SMike Christie 516213483730SMike Christie static void qla4xxx_dpc_relogin(struct iscsi_cls_session *cls_sess) 516313483730SMike Christie { 516413483730SMike Christie struct iscsi_session *sess; 516513483730SMike Christie struct ddb_entry *ddb_entry; 516613483730SMike Christie struct scsi_qla_host *ha; 516713483730SMike Christie 516813483730SMike Christie sess = cls_sess->dd_data; 516913483730SMike Christie ddb_entry = sess->dd_data; 517013483730SMike Christie ha = ddb_entry->ha; 517113483730SMike Christie 517213483730SMike Christie if (!(ddb_entry->ddb_type == FLASH_DDB)) 517313483730SMike Christie return; 517413483730SMike Christie 517599c6a33bSAdheer Chandravanshi if (test_bit(DF_DISABLE_RELOGIN, &ddb_entry->flags)) 517699c6a33bSAdheer Chandravanshi return; 517799c6a33bSAdheer Chandravanshi 517813483730SMike Christie if (test_and_clear_bit(DF_RELOGIN, &ddb_entry->flags) && 517913483730SMike Christie !iscsi_is_session_online(cls_sess)) { 518013483730SMike Christie DEBUG2(ql4_printk(KERN_INFO, ha, 518113483730SMike Christie "relogin issued\n")); 518213483730SMike Christie qla4xxx_relogin_flash_ddb(cls_sess); 518313483730SMike Christie } 518413483730SMike Christie } 518513483730SMike Christie 5186f4f5df23SVikas Chaudhary void qla4xxx_wake_dpc(struct scsi_qla_host *ha) 5187f4f5df23SVikas Chaudhary { 51881b46807eSLalit Chandivade if (ha->dpc_thread) 5189f4f5df23SVikas Chaudhary queue_work(ha->dpc_thread, &ha->dpc_work); 5190f4f5df23SVikas Chaudhary } 5191f4f5df23SVikas Chaudhary 5192ff884430SVikas Chaudhary static struct qla4_work_evt * 5193ff884430SVikas Chaudhary qla4xxx_alloc_work(struct scsi_qla_host *ha, uint32_t data_size, 5194ff884430SVikas Chaudhary enum qla4_work_type type) 5195ff884430SVikas Chaudhary { 5196ff884430SVikas Chaudhary struct qla4_work_evt *e; 5197ff884430SVikas Chaudhary uint32_t size = sizeof(struct qla4_work_evt) + data_size; 5198ff884430SVikas Chaudhary 5199ff884430SVikas Chaudhary e = kzalloc(size, GFP_ATOMIC); 5200ff884430SVikas Chaudhary if (!e) 5201ff884430SVikas Chaudhary return NULL; 5202ff884430SVikas Chaudhary 5203ff884430SVikas Chaudhary INIT_LIST_HEAD(&e->list); 5204ff884430SVikas Chaudhary e->type = type; 5205ff884430SVikas Chaudhary return e; 5206ff884430SVikas Chaudhary } 5207ff884430SVikas Chaudhary 5208ff884430SVikas Chaudhary static void qla4xxx_post_work(struct scsi_qla_host *ha, 5209ff884430SVikas Chaudhary struct qla4_work_evt *e) 5210ff884430SVikas Chaudhary { 5211ff884430SVikas Chaudhary unsigned long flags; 5212ff884430SVikas Chaudhary 5213ff884430SVikas Chaudhary spin_lock_irqsave(&ha->work_lock, flags); 5214ff884430SVikas Chaudhary list_add_tail(&e->list, &ha->work_list); 5215ff884430SVikas Chaudhary spin_unlock_irqrestore(&ha->work_lock, flags); 5216ff884430SVikas Chaudhary qla4xxx_wake_dpc(ha); 5217ff884430SVikas Chaudhary } 5218ff884430SVikas Chaudhary 5219ff884430SVikas Chaudhary int qla4xxx_post_aen_work(struct scsi_qla_host *ha, 5220ff884430SVikas Chaudhary enum iscsi_host_event_code aen_code, 5221ff884430SVikas Chaudhary uint32_t data_size, uint8_t *data) 5222ff884430SVikas Chaudhary { 5223ff884430SVikas Chaudhary struct qla4_work_evt *e; 5224ff884430SVikas Chaudhary 5225ff884430SVikas Chaudhary e = qla4xxx_alloc_work(ha, data_size, QLA4_EVENT_AEN); 5226ff884430SVikas Chaudhary if (!e) 5227ff884430SVikas Chaudhary return QLA_ERROR; 5228ff884430SVikas Chaudhary 5229ff884430SVikas Chaudhary e->u.aen.code = aen_code; 5230ff884430SVikas Chaudhary e->u.aen.data_size = data_size; 5231ff884430SVikas Chaudhary memcpy(e->u.aen.data, data, data_size); 5232ff884430SVikas Chaudhary 5233ff884430SVikas Chaudhary qla4xxx_post_work(ha, e); 5234ff884430SVikas Chaudhary 5235ff884430SVikas Chaudhary return QLA_SUCCESS; 5236ff884430SVikas Chaudhary } 5237ff884430SVikas Chaudhary 5238c0b9d3f7SVikas Chaudhary int qla4xxx_post_ping_evt_work(struct scsi_qla_host *ha, 5239c0b9d3f7SVikas Chaudhary uint32_t status, uint32_t pid, 5240c0b9d3f7SVikas Chaudhary uint32_t data_size, uint8_t *data) 5241c0b9d3f7SVikas Chaudhary { 5242c0b9d3f7SVikas Chaudhary struct qla4_work_evt *e; 5243c0b9d3f7SVikas Chaudhary 5244c0b9d3f7SVikas Chaudhary e = qla4xxx_alloc_work(ha, data_size, QLA4_EVENT_PING_STATUS); 5245c0b9d3f7SVikas Chaudhary if (!e) 5246c0b9d3f7SVikas Chaudhary return QLA_ERROR; 5247c0b9d3f7SVikas Chaudhary 5248c0b9d3f7SVikas Chaudhary e->u.ping.status = status; 5249c0b9d3f7SVikas Chaudhary e->u.ping.pid = pid; 5250c0b9d3f7SVikas Chaudhary e->u.ping.data_size = data_size; 5251c0b9d3f7SVikas Chaudhary memcpy(e->u.ping.data, data, data_size); 5252c0b9d3f7SVikas Chaudhary 5253c0b9d3f7SVikas Chaudhary qla4xxx_post_work(ha, e); 5254c0b9d3f7SVikas Chaudhary 5255c0b9d3f7SVikas Chaudhary return QLA_SUCCESS; 5256c0b9d3f7SVikas Chaudhary } 5257c0b9d3f7SVikas Chaudhary 5258a7380a65SVikas Chaudhary static void qla4xxx_do_work(struct scsi_qla_host *ha) 5259ff884430SVikas Chaudhary { 5260ff884430SVikas Chaudhary struct qla4_work_evt *e, *tmp; 5261ff884430SVikas Chaudhary unsigned long flags; 5262ff884430SVikas Chaudhary LIST_HEAD(work); 5263ff884430SVikas Chaudhary 5264ff884430SVikas Chaudhary spin_lock_irqsave(&ha->work_lock, flags); 5265ff884430SVikas Chaudhary list_splice_init(&ha->work_list, &work); 5266ff884430SVikas Chaudhary spin_unlock_irqrestore(&ha->work_lock, flags); 5267ff884430SVikas Chaudhary 5268ff884430SVikas Chaudhary list_for_each_entry_safe(e, tmp, &work, list) { 5269ff884430SVikas Chaudhary list_del_init(&e->list); 5270ff884430SVikas Chaudhary 5271ff884430SVikas Chaudhary switch (e->type) { 5272ff884430SVikas Chaudhary case QLA4_EVENT_AEN: 5273ff884430SVikas Chaudhary iscsi_post_host_event(ha->host_no, 5274ff884430SVikas Chaudhary &qla4xxx_iscsi_transport, 5275ff884430SVikas Chaudhary e->u.aen.code, 5276ff884430SVikas Chaudhary e->u.aen.data_size, 5277ff884430SVikas Chaudhary e->u.aen.data); 5278ff884430SVikas Chaudhary break; 5279c0b9d3f7SVikas Chaudhary case QLA4_EVENT_PING_STATUS: 5280c0b9d3f7SVikas Chaudhary iscsi_ping_comp_event(ha->host_no, 5281c0b9d3f7SVikas Chaudhary &qla4xxx_iscsi_transport, 5282c0b9d3f7SVikas Chaudhary e->u.ping.status, 5283c0b9d3f7SVikas Chaudhary e->u.ping.pid, 5284c0b9d3f7SVikas Chaudhary e->u.ping.data_size, 5285c0b9d3f7SVikas Chaudhary e->u.ping.data); 5286c0b9d3f7SVikas Chaudhary break; 5287ff884430SVikas Chaudhary default: 5288ff884430SVikas Chaudhary ql4_printk(KERN_WARNING, ha, "event type: 0x%x not " 5289ff884430SVikas Chaudhary "supported", e->type); 5290ff884430SVikas Chaudhary } 5291ff884430SVikas Chaudhary kfree(e); 5292ff884430SVikas Chaudhary } 5293ff884430SVikas Chaudhary } 5294ff884430SVikas Chaudhary 5295afaf5a2dSDavid Somayajulu /** 5296afaf5a2dSDavid Somayajulu * qla4xxx_do_dpc - dpc routine 5297cdeeb36dSLee Jones * @work: Context to obtain pointer to host adapter structure. 5298afaf5a2dSDavid Somayajulu * 5299afaf5a2dSDavid Somayajulu * This routine is a task that is schedule by the interrupt handler 5300afaf5a2dSDavid Somayajulu * to perform the background processing for interrupts. We put it 5301afaf5a2dSDavid Somayajulu * on a task queue that is consumed whenever the scheduler runs; that's 5302afaf5a2dSDavid Somayajulu * so you can do anything (i.e. put the process to sleep etc). In fact, 5303afaf5a2dSDavid Somayajulu * the mid-level tries to sleep when it reaches the driver threshold 5304afaf5a2dSDavid Somayajulu * "host->can_queue". This can cause a panic if we were in our interrupt code. 5305afaf5a2dSDavid Somayajulu **/ 5306c4028958SDavid Howells static void qla4xxx_do_dpc(struct work_struct *work) 5307afaf5a2dSDavid Somayajulu { 5308c4028958SDavid Howells struct scsi_qla_host *ha = 5309c4028958SDavid Howells container_of(work, struct scsi_qla_host, dpc_work); 5310477ffb9dSDavid C Somayajulu int status = QLA_ERROR; 5311afaf5a2dSDavid Somayajulu 5312a7e5688dSVikas Chaudhary DEBUG2(ql4_printk(KERN_INFO, ha, 5313a7e5688dSVikas Chaudhary "scsi%ld: %s: DPC handler waking up. flags = 0x%08lx, dpc_flags = 0x%08lx\n", 5314a7e5688dSVikas Chaudhary ha->host_no, __func__, ha->flags, ha->dpc_flags)); 5315afaf5a2dSDavid Somayajulu 5316afaf5a2dSDavid Somayajulu /* Initialization not yet finished. Don't do anything yet. */ 5317afaf5a2dSDavid Somayajulu if (!test_bit(AF_INIT_DONE, &ha->flags)) 53181b46807eSLalit Chandivade return; 5319afaf5a2dSDavid Somayajulu 53202232be0dSLalit Chandivade if (test_bit(AF_EEH_BUSY, &ha->flags)) { 53212232be0dSLalit Chandivade DEBUG2(printk(KERN_INFO "scsi%ld: %s: flags = %lx\n", 53222232be0dSLalit Chandivade ha->host_no, __func__, ha->flags)); 53231b46807eSLalit Chandivade return; 53242232be0dSLalit Chandivade } 53252232be0dSLalit Chandivade 5326ff884430SVikas Chaudhary /* post events to application */ 5327ff884430SVikas Chaudhary qla4xxx_do_work(ha); 5328ff884430SVikas Chaudhary 53296e7b4292SVikas Chaudhary if (is_qla80XX(ha)) { 5330f4f5df23SVikas Chaudhary if (test_bit(DPC_HA_UNRECOVERABLE, &ha->dpc_flags)) { 5331b37ca418SVikas Chaudhary if (is_qla8032(ha) || is_qla8042(ha)) { 5332546fef27STej Parkash ql4_printk(KERN_INFO, ha, "%s: disabling pause transmit on port 0 & 1.\n", 5333546fef27STej Parkash __func__); 5334546fef27STej Parkash /* disable pause frame for ISP83xx */ 5335546fef27STej Parkash qla4_83xx_disable_pause(ha); 5336546fef27STej Parkash } 5337546fef27STej Parkash 533833693c7aSVikas Chaudhary ha->isp_ops->idc_lock(ha); 533933693c7aSVikas Chaudhary qla4_8xxx_wr_direct(ha, QLA8XXX_CRB_DEV_STATE, 5340de8c72daSVikas Chaudhary QLA8XXX_DEV_FAILED); 534133693c7aSVikas Chaudhary ha->isp_ops->idc_unlock(ha); 5342f4f5df23SVikas Chaudhary ql4_printk(KERN_INFO, ha, "HW State: FAILED\n"); 5343f4f5df23SVikas Chaudhary qla4_8xxx_device_state_handler(ha); 5344f4f5df23SVikas Chaudhary } 5345320a61deSNilesh Javali 53467ab284c9SNilesh Javali if (test_bit(DPC_POST_IDC_ACK, &ha->dpc_flags)) { 53477ab284c9SNilesh Javali if (is_qla8042(ha)) { 53487ab284c9SNilesh Javali if (ha->idc_info.info2 & 53497ab284c9SNilesh Javali ENABLE_INTERNAL_LOOPBACK) { 53507ab284c9SNilesh Javali ql4_printk(KERN_INFO, ha, "%s: Disabling ACB\n", 53517ab284c9SNilesh Javali __func__); 53527ab284c9SNilesh Javali status = qla4_84xx_config_acb(ha, 53537ab284c9SNilesh Javali ACB_CONFIG_DISABLE); 53547ab284c9SNilesh Javali if (status != QLA_SUCCESS) { 53557ab284c9SNilesh Javali ql4_printk(KERN_INFO, ha, "%s: ACB config failed\n", 53567ab284c9SNilesh Javali __func__); 53577ab284c9SNilesh Javali } 53587ab284c9SNilesh Javali } 53597ab284c9SNilesh Javali } 5360320a61deSNilesh Javali qla4_83xx_post_idc_ack(ha); 53617ab284c9SNilesh Javali clear_bit(DPC_POST_IDC_ACK, &ha->dpc_flags); 53627ab284c9SNilesh Javali } 53637ab284c9SNilesh Javali 53647ab284c9SNilesh Javali if (is_qla8042(ha) && 53657ab284c9SNilesh Javali test_bit(DPC_RESTORE_ACB, &ha->dpc_flags)) { 53667ab284c9SNilesh Javali ql4_printk(KERN_INFO, ha, "%s: Restoring ACB\n", 53677ab284c9SNilesh Javali __func__); 53687ab284c9SNilesh Javali if (qla4_84xx_config_acb(ha, ACB_CONFIG_SET) != 53697ab284c9SNilesh Javali QLA_SUCCESS) { 53707ab284c9SNilesh Javali ql4_printk(KERN_INFO, ha, "%s: ACB config failed ", 53717ab284c9SNilesh Javali __func__); 53727ab284c9SNilesh Javali } 53737ab284c9SNilesh Javali clear_bit(DPC_RESTORE_ACB, &ha->dpc_flags); 53747ab284c9SNilesh Javali } 5375320a61deSNilesh Javali 5376f4f5df23SVikas Chaudhary if (test_and_clear_bit(DPC_HA_NEED_QUIESCENT, &ha->dpc_flags)) { 5377f4f5df23SVikas Chaudhary qla4_8xxx_need_qsnt_handler(ha); 5378f4f5df23SVikas Chaudhary } 5379f4f5df23SVikas Chaudhary } 5380f4f5df23SVikas Chaudhary 5381f4f5df23SVikas Chaudhary if (!test_bit(DPC_RESET_ACTIVE, &ha->dpc_flags) && 5382f4f5df23SVikas Chaudhary (test_bit(DPC_RESET_HA, &ha->dpc_flags) || 5383afaf5a2dSDavid Somayajulu test_bit(DPC_RESET_HA_INTR, &ha->dpc_flags) || 5384f4f5df23SVikas Chaudhary test_bit(DPC_RESET_HA_FW_CONTEXT, &ha->dpc_flags))) { 53856e7b4292SVikas Chaudhary if ((is_qla8022(ha) && ql4xdontresethba) || 5386b37ca418SVikas Chaudhary ((is_qla8032(ha) || is_qla8042(ha)) && 5387b37ca418SVikas Chaudhary qla4_83xx_idc_dontreset(ha))) { 5388f4f5df23SVikas Chaudhary DEBUG2(printk("scsi%ld: %s: Don't Reset HBA\n", 5389f4f5df23SVikas Chaudhary ha->host_no, __func__)); 5390f4f5df23SVikas Chaudhary clear_bit(DPC_RESET_HA, &ha->dpc_flags); 5391f4f5df23SVikas Chaudhary clear_bit(DPC_RESET_HA_INTR, &ha->dpc_flags); 5392f4f5df23SVikas Chaudhary clear_bit(DPC_RESET_HA_FW_CONTEXT, &ha->dpc_flags); 5393f4f5df23SVikas Chaudhary goto dpc_post_reset_ha; 5394f4f5df23SVikas Chaudhary } 5395f4f5df23SVikas Chaudhary if (test_bit(DPC_RESET_HA_FW_CONTEXT, &ha->dpc_flags) || 5396f26b9044SDavid C Somayajulu test_bit(DPC_RESET_HA, &ha->dpc_flags)) 5397f4f5df23SVikas Chaudhary qla4xxx_recover_adapter(ha); 5398afaf5a2dSDavid Somayajulu 5399477ffb9dSDavid C Somayajulu if (test_bit(DPC_RESET_HA_INTR, &ha->dpc_flags)) { 5400afaf5a2dSDavid Somayajulu uint8_t wait_time = RESET_INTR_TOV; 5401afaf5a2dSDavid Somayajulu 5402afaf5a2dSDavid Somayajulu while ((readw(&ha->reg->ctrl_status) & 5403afaf5a2dSDavid Somayajulu (CSR_SOFT_RESET | CSR_FORCE_SOFT_RESET)) != 0) { 5404afaf5a2dSDavid Somayajulu if (--wait_time == 0) 5405afaf5a2dSDavid Somayajulu break; 5406afaf5a2dSDavid Somayajulu msleep(1000); 5407afaf5a2dSDavid Somayajulu } 5408afaf5a2dSDavid Somayajulu if (wait_time == 0) 5409afaf5a2dSDavid Somayajulu DEBUG2(printk("scsi%ld: %s: SR|FSR " 5410afaf5a2dSDavid Somayajulu "bit not cleared-- resetting\n", 5411afaf5a2dSDavid Somayajulu ha->host_no, __func__)); 5412f4f5df23SVikas Chaudhary qla4xxx_abort_active_cmds(ha, DID_RESET << 16); 5413477ffb9dSDavid C Somayajulu if (ql4xxx_lock_drvr_wait(ha) == QLA_SUCCESS) { 5414477ffb9dSDavid C Somayajulu qla4xxx_process_aen(ha, FLUSH_DDB_CHANGED_AENS); 5415f4f5df23SVikas Chaudhary status = qla4xxx_recover_adapter(ha); 5416477ffb9dSDavid C Somayajulu } 5417477ffb9dSDavid C Somayajulu clear_bit(DPC_RESET_HA_INTR, &ha->dpc_flags); 5418477ffb9dSDavid C Somayajulu if (status == QLA_SUCCESS) 5419f4f5df23SVikas Chaudhary ha->isp_ops->enable_intrs(ha); 5420afaf5a2dSDavid Somayajulu } 5421afaf5a2dSDavid Somayajulu } 5422afaf5a2dSDavid Somayajulu 5423f4f5df23SVikas Chaudhary dpc_post_reset_ha: 5424afaf5a2dSDavid Somayajulu /* ---- process AEN? --- */ 5425afaf5a2dSDavid Somayajulu if (test_and_clear_bit(DPC_AEN, &ha->dpc_flags)) 5426afaf5a2dSDavid Somayajulu qla4xxx_process_aen(ha, PROCESS_ALL_AENS); 5427afaf5a2dSDavid Somayajulu 5428afaf5a2dSDavid Somayajulu /* ---- Get DHCP IP Address? --- */ 5429afaf5a2dSDavid Somayajulu if (test_and_clear_bit(DPC_GET_DHCP_IP_ADDR, &ha->dpc_flags)) 5430afaf5a2dSDavid Somayajulu qla4xxx_get_dhcp_ip_address(ha); 5431afaf5a2dSDavid Somayajulu 543213483730SMike Christie /* ---- relogin device? --- */ 543313483730SMike Christie if (adapter_up(ha) && 543413483730SMike Christie test_and_clear_bit(DPC_RELOGIN_DEVICE, &ha->dpc_flags)) { 543513483730SMike Christie iscsi_host_for_each_session(ha->host, qla4xxx_dpc_relogin); 543613483730SMike Christie } 543713483730SMike Christie 5438065aa1b4SVikas Chaudhary /* ---- link change? --- */ 5439026fbd3aSNilesh Javali if (!test_bit(AF_LOOPBACK, &ha->flags) && 5440026fbd3aSNilesh Javali test_and_clear_bit(DPC_LINK_CHANGED, &ha->dpc_flags)) { 5441065aa1b4SVikas Chaudhary if (!test_bit(AF_LINK_UP, &ha->flags)) { 5442065aa1b4SVikas Chaudhary /* ---- link down? --- */ 54432d7924e6SVikas Chaudhary qla4xxx_mark_all_devices_missing(ha); 5444065aa1b4SVikas Chaudhary } else { 5445065aa1b4SVikas Chaudhary /* ---- link up? --- * 5446065aa1b4SVikas Chaudhary * F/W will auto login to all devices ONLY ONCE after 5447065aa1b4SVikas Chaudhary * link up during driver initialization and runtime 5448065aa1b4SVikas Chaudhary * fatal error recovery. Therefore, the driver must 5449065aa1b4SVikas Chaudhary * manually relogin to devices when recovering from 5450065aa1b4SVikas Chaudhary * connection failures, logouts, expired KATO, etc. */ 545113483730SMike Christie if (test_and_clear_bit(AF_BUILD_DDB_LIST, &ha->flags)) { 545213483730SMike Christie qla4xxx_build_ddb_list(ha, ha->is_reset); 545313483730SMike Christie iscsi_host_for_each_session(ha->host, 545413483730SMike Christie qla4xxx_login_flash_ddb); 545513483730SMike Christie } else 54562d7924e6SVikas Chaudhary qla4xxx_relogin_all_devices(ha); 5457065aa1b4SVikas Chaudhary } 5458065aa1b4SVikas Chaudhary } 5459906cbf3dSNilesh Javali if (test_and_clear_bit(DPC_SYSFS_DDB_EXPORT, &ha->dpc_flags)) { 5460906cbf3dSNilesh Javali if (qla4xxx_sysfs_ddb_export(ha)) 5461906cbf3dSNilesh Javali ql4_printk(KERN_ERR, ha, "%s: Error exporting ddb to sysfs\n", 5462906cbf3dSNilesh Javali __func__); 5463906cbf3dSNilesh Javali } 5464afaf5a2dSDavid Somayajulu } 5465afaf5a2dSDavid Somayajulu 5466afaf5a2dSDavid Somayajulu /** 5467afaf5a2dSDavid Somayajulu * qla4xxx_free_adapter - release the adapter 5468afaf5a2dSDavid Somayajulu * @ha: pointer to adapter structure 5469afaf5a2dSDavid Somayajulu **/ 5470afaf5a2dSDavid Somayajulu static void qla4xxx_free_adapter(struct scsi_qla_host *ha) 5471afaf5a2dSDavid Somayajulu { 54728a288960SSarang Radke qla4xxx_abort_active_cmds(ha, DID_NO_CONNECT << 16); 5473afaf5a2dSDavid Somayajulu 5474afaf5a2dSDavid Somayajulu /* Turn-off interrupts on the card. */ 5475f4f5df23SVikas Chaudhary ha->isp_ops->disable_intrs(ha); 5476afaf5a2dSDavid Somayajulu 5477d9e62e51SVikas Chaudhary if (is_qla40XX(ha)) { 5478d9e62e51SVikas Chaudhary writel(set_rmask(CSR_SCSI_PROCESSOR_INTR), 5479d9e62e51SVikas Chaudhary &ha->reg->ctrl_status); 5480d9e62e51SVikas Chaudhary readl(&ha->reg->ctrl_status); 5481d9e62e51SVikas Chaudhary } else if (is_qla8022(ha)) { 54827664a1fdSVikas Chaudhary writel(0, &ha->qla4_82xx_reg->host_int); 54837664a1fdSVikas Chaudhary readl(&ha->qla4_82xx_reg->host_int); 5484b37ca418SVikas Chaudhary } else if (is_qla8032(ha) || is_qla8042(ha)) { 5485fbd8107cSVikas Chaudhary writel(0, &ha->qla4_83xx_reg->risc_intr); 5486fbd8107cSVikas Chaudhary readl(&ha->qla4_83xx_reg->risc_intr); 5487d9e62e51SVikas Chaudhary } 5488d9e62e51SVikas Chaudhary 5489afaf5a2dSDavid Somayajulu /* Remove timer thread, if present */ 5490afaf5a2dSDavid Somayajulu if (ha->timer_active) 5491afaf5a2dSDavid Somayajulu qla4xxx_stop_timer(ha); 5492afaf5a2dSDavid Somayajulu 5493f4f5df23SVikas Chaudhary /* Kill the kernel thread for this host */ 5494f4f5df23SVikas Chaudhary if (ha->dpc_thread) 5495f4f5df23SVikas Chaudhary destroy_workqueue(ha->dpc_thread); 5496f4f5df23SVikas Chaudhary 5497b3a271a9SManish Rangankar /* Kill the kernel thread for this host */ 5498b3a271a9SManish Rangankar if (ha->task_wq) 5499b3a271a9SManish Rangankar destroy_workqueue(ha->task_wq); 5500b3a271a9SManish Rangankar 5501f4f5df23SVikas Chaudhary /* Put firmware in known state */ 5502f4f5df23SVikas Chaudhary ha->isp_ops->reset_firmware(ha); 5503f4f5df23SVikas Chaudhary 55046e7b4292SVikas Chaudhary if (is_qla80XX(ha)) { 550533693c7aSVikas Chaudhary ha->isp_ops->idc_lock(ha); 5506f4f5df23SVikas Chaudhary qla4_8xxx_clear_drv_active(ha); 550733693c7aSVikas Chaudhary ha->isp_ops->idc_unlock(ha); 5508f4f5df23SVikas Chaudhary } 5509f4f5df23SVikas Chaudhary 5510afaf5a2dSDavid Somayajulu /* Detach interrupts */ 5511f4f5df23SVikas Chaudhary qla4xxx_free_irqs(ha); 5512afaf5a2dSDavid Somayajulu 5513bee4fe8eSDavid C Somayajulu /* free extra memory */ 5514bee4fe8eSDavid C Somayajulu qla4xxx_mem_free(ha); 5515f4f5df23SVikas Chaudhary } 5516bee4fe8eSDavid C Somayajulu 5517f4f5df23SVikas Chaudhary int qla4_8xxx_iospace_config(struct scsi_qla_host *ha) 5518f4f5df23SVikas Chaudhary { 5519f4f5df23SVikas Chaudhary int status = 0; 5520685f9479SLee Jones unsigned long mem_base, mem_len; 5521f4f5df23SVikas Chaudhary struct pci_dev *pdev = ha->pdev; 5522afaf5a2dSDavid Somayajulu 5523f4f5df23SVikas Chaudhary status = pci_request_regions(pdev, DRIVER_NAME); 5524f4f5df23SVikas Chaudhary if (status) { 5525f4f5df23SVikas Chaudhary printk(KERN_WARNING 5526f4f5df23SVikas Chaudhary "scsi(%ld) Failed to reserve PIO regions (%s) " 5527f4f5df23SVikas Chaudhary "status=%d\n", ha->host_no, pci_name(pdev), status); 5528f4f5df23SVikas Chaudhary goto iospace_error_exit; 5529f4f5df23SVikas Chaudhary } 5530f4f5df23SVikas Chaudhary 5531f4f5df23SVikas Chaudhary DEBUG2(printk(KERN_INFO "%s: revision-id=%d\n", 55327d7311c4SSergei Shtylyov __func__, pdev->revision)); 55337d7311c4SSergei Shtylyov ha->revision_id = pdev->revision; 5534f4f5df23SVikas Chaudhary 5535f4f5df23SVikas Chaudhary /* remap phys address */ 5536f4f5df23SVikas Chaudhary mem_base = pci_resource_start(pdev, 0); /* 0 is for BAR 0 */ 5537f4f5df23SVikas Chaudhary mem_len = pci_resource_len(pdev, 0); 5538f4f5df23SVikas Chaudhary DEBUG2(printk(KERN_INFO "%s: ioremap from %lx a size of %lx\n", 5539f4f5df23SVikas Chaudhary __func__, mem_base, mem_len)); 5540f4f5df23SVikas Chaudhary 5541f4f5df23SVikas Chaudhary /* mapping of pcibase pointer */ 5542f4f5df23SVikas Chaudhary ha->nx_pcibase = (unsigned long)ioremap(mem_base, mem_len); 5543f4f5df23SVikas Chaudhary if (!ha->nx_pcibase) { 5544f4f5df23SVikas Chaudhary printk(KERN_ERR 5545f4f5df23SVikas Chaudhary "cannot remap MMIO (%s), aborting\n", pci_name(pdev)); 5546f4f5df23SVikas Chaudhary pci_release_regions(ha->pdev); 5547f4f5df23SVikas Chaudhary goto iospace_error_exit; 5548f4f5df23SVikas Chaudhary } 5549f4f5df23SVikas Chaudhary 5550f4f5df23SVikas Chaudhary /* Mapping of IO base pointer, door bell read and write pointer */ 5551f4f5df23SVikas Chaudhary 5552f4f5df23SVikas Chaudhary /* mapping of IO base pointer */ 55536e7b4292SVikas Chaudhary if (is_qla8022(ha)) { 55546e7b4292SVikas Chaudhary ha->qla4_82xx_reg = (struct device_reg_82xx __iomem *) 55556e7b4292SVikas Chaudhary ((uint8_t *)ha->nx_pcibase + 0xbc000 + 55566e7b4292SVikas Chaudhary (ha->pdev->devfn << 11)); 55576e7b4292SVikas Chaudhary ha->nx_db_wr_ptr = (ha->pdev->devfn == 4 ? QLA82XX_CAM_RAM_DB1 : 55586e7b4292SVikas Chaudhary QLA82XX_CAM_RAM_DB2); 5559b37ca418SVikas Chaudhary } else if (is_qla8032(ha) || is_qla8042(ha)) { 55606e7b4292SVikas Chaudhary ha->qla4_83xx_reg = (struct device_reg_83xx __iomem *) 55616e7b4292SVikas Chaudhary ((uint8_t *)ha->nx_pcibase); 55626e7b4292SVikas Chaudhary } 5563f4f5df23SVikas Chaudhary 55642657c800SShyam Sundar return 0; 5565f4f5df23SVikas Chaudhary iospace_error_exit: 5566f4f5df23SVikas Chaudhary return -ENOMEM; 5567afaf5a2dSDavid Somayajulu } 5568afaf5a2dSDavid Somayajulu 5569afaf5a2dSDavid Somayajulu /*** 5570afaf5a2dSDavid Somayajulu * qla4xxx_iospace_config - maps registers 5571afaf5a2dSDavid Somayajulu * @ha: pointer to adapter structure 5572afaf5a2dSDavid Somayajulu * 5573afaf5a2dSDavid Somayajulu * This routines maps HBA's registers from the pci address space 5574afaf5a2dSDavid Somayajulu * into the kernel virtual address space for memory mapped i/o. 5575afaf5a2dSDavid Somayajulu **/ 5576f4f5df23SVikas Chaudhary int qla4xxx_iospace_config(struct scsi_qla_host *ha) 5577afaf5a2dSDavid Somayajulu { 5578afaf5a2dSDavid Somayajulu unsigned long pio, pio_len, pio_flags; 5579afaf5a2dSDavid Somayajulu unsigned long mmio, mmio_len, mmio_flags; 5580afaf5a2dSDavid Somayajulu 5581afaf5a2dSDavid Somayajulu pio = pci_resource_start(ha->pdev, 0); 5582afaf5a2dSDavid Somayajulu pio_len = pci_resource_len(ha->pdev, 0); 5583afaf5a2dSDavid Somayajulu pio_flags = pci_resource_flags(ha->pdev, 0); 5584afaf5a2dSDavid Somayajulu if (pio_flags & IORESOURCE_IO) { 5585afaf5a2dSDavid Somayajulu if (pio_len < MIN_IOBASE_LEN) { 5586c2660df3SVikas Chaudhary ql4_printk(KERN_WARNING, ha, 5587afaf5a2dSDavid Somayajulu "Invalid PCI I/O region size\n"); 5588afaf5a2dSDavid Somayajulu pio = 0; 5589afaf5a2dSDavid Somayajulu } 5590afaf5a2dSDavid Somayajulu } else { 5591c2660df3SVikas Chaudhary ql4_printk(KERN_WARNING, ha, "region #0 not a PIO resource\n"); 5592afaf5a2dSDavid Somayajulu pio = 0; 5593afaf5a2dSDavid Somayajulu } 5594afaf5a2dSDavid Somayajulu 5595afaf5a2dSDavid Somayajulu /* Use MMIO operations for all accesses. */ 5596afaf5a2dSDavid Somayajulu mmio = pci_resource_start(ha->pdev, 1); 5597afaf5a2dSDavid Somayajulu mmio_len = pci_resource_len(ha->pdev, 1); 5598afaf5a2dSDavid Somayajulu mmio_flags = pci_resource_flags(ha->pdev, 1); 5599afaf5a2dSDavid Somayajulu 5600afaf5a2dSDavid Somayajulu if (!(mmio_flags & IORESOURCE_MEM)) { 5601c2660df3SVikas Chaudhary ql4_printk(KERN_ERR, ha, 5602afaf5a2dSDavid Somayajulu "region #0 not an MMIO resource, aborting\n"); 5603afaf5a2dSDavid Somayajulu 5604afaf5a2dSDavid Somayajulu goto iospace_error_exit; 5605afaf5a2dSDavid Somayajulu } 5606c2660df3SVikas Chaudhary 5607afaf5a2dSDavid Somayajulu if (mmio_len < MIN_IOBASE_LEN) { 5608c2660df3SVikas Chaudhary ql4_printk(KERN_ERR, ha, 5609afaf5a2dSDavid Somayajulu "Invalid PCI mem region size, aborting\n"); 5610afaf5a2dSDavid Somayajulu goto iospace_error_exit; 5611afaf5a2dSDavid Somayajulu } 5612afaf5a2dSDavid Somayajulu 5613afaf5a2dSDavid Somayajulu if (pci_request_regions(ha->pdev, DRIVER_NAME)) { 5614c2660df3SVikas Chaudhary ql4_printk(KERN_WARNING, ha, 5615afaf5a2dSDavid Somayajulu "Failed to reserve PIO/MMIO regions\n"); 5616afaf5a2dSDavid Somayajulu 5617afaf5a2dSDavid Somayajulu goto iospace_error_exit; 5618afaf5a2dSDavid Somayajulu } 5619afaf5a2dSDavid Somayajulu 5620afaf5a2dSDavid Somayajulu ha->pio_address = pio; 5621afaf5a2dSDavid Somayajulu ha->pio_length = pio_len; 5622afaf5a2dSDavid Somayajulu ha->reg = ioremap(mmio, MIN_IOBASE_LEN); 5623afaf5a2dSDavid Somayajulu if (!ha->reg) { 5624c2660df3SVikas Chaudhary ql4_printk(KERN_ERR, ha, 5625afaf5a2dSDavid Somayajulu "cannot remap MMIO, aborting\n"); 5626afaf5a2dSDavid Somayajulu 5627afaf5a2dSDavid Somayajulu goto iospace_error_exit; 5628afaf5a2dSDavid Somayajulu } 5629afaf5a2dSDavid Somayajulu 5630afaf5a2dSDavid Somayajulu return 0; 5631afaf5a2dSDavid Somayajulu 5632afaf5a2dSDavid Somayajulu iospace_error_exit: 5633afaf5a2dSDavid Somayajulu return -ENOMEM; 5634afaf5a2dSDavid Somayajulu } 5635afaf5a2dSDavid Somayajulu 5636f4f5df23SVikas Chaudhary static struct isp_operations qla4xxx_isp_ops = { 5637f4f5df23SVikas Chaudhary .iospace_config = qla4xxx_iospace_config, 5638f4f5df23SVikas Chaudhary .pci_config = qla4xxx_pci_config, 5639f4f5df23SVikas Chaudhary .disable_intrs = qla4xxx_disable_intrs, 5640f4f5df23SVikas Chaudhary .enable_intrs = qla4xxx_enable_intrs, 5641f4f5df23SVikas Chaudhary .start_firmware = qla4xxx_start_firmware, 5642f4f5df23SVikas Chaudhary .intr_handler = qla4xxx_intr_handler, 5643f4f5df23SVikas Chaudhary .interrupt_service_routine = qla4xxx_interrupt_service_routine, 5644f4f5df23SVikas Chaudhary .reset_chip = qla4xxx_soft_reset, 5645f4f5df23SVikas Chaudhary .reset_firmware = qla4xxx_hw_reset, 5646f4f5df23SVikas Chaudhary .queue_iocb = qla4xxx_queue_iocb, 5647f4f5df23SVikas Chaudhary .complete_iocb = qla4xxx_complete_iocb, 5648f4f5df23SVikas Chaudhary .rd_shdw_req_q_out = qla4xxx_rd_shdw_req_q_out, 5649f4f5df23SVikas Chaudhary .rd_shdw_rsp_q_in = qla4xxx_rd_shdw_rsp_q_in, 5650f4f5df23SVikas Chaudhary .get_sys_info = qla4xxx_get_sys_info, 565133693c7aSVikas Chaudhary .queue_mailbox_command = qla4xxx_queue_mbox_cmd, 565233693c7aSVikas Chaudhary .process_mailbox_interrupt = qla4xxx_process_mbox_intr, 5653f4f5df23SVikas Chaudhary }; 5654f4f5df23SVikas Chaudhary 56557664a1fdSVikas Chaudhary static struct isp_operations qla4_82xx_isp_ops = { 5656f4f5df23SVikas Chaudhary .iospace_config = qla4_8xxx_iospace_config, 5657f4f5df23SVikas Chaudhary .pci_config = qla4_8xxx_pci_config, 5658f8086f4fSVikas Chaudhary .disable_intrs = qla4_82xx_disable_intrs, 5659f8086f4fSVikas Chaudhary .enable_intrs = qla4_82xx_enable_intrs, 5660f4f5df23SVikas Chaudhary .start_firmware = qla4_8xxx_load_risc, 566133693c7aSVikas Chaudhary .restart_firmware = qla4_82xx_try_start_fw, 5662f8086f4fSVikas Chaudhary .intr_handler = qla4_82xx_intr_handler, 5663f8086f4fSVikas Chaudhary .interrupt_service_routine = qla4_82xx_interrupt_service_routine, 566433693c7aSVikas Chaudhary .need_reset = qla4_8xxx_need_reset, 5665f8086f4fSVikas Chaudhary .reset_chip = qla4_82xx_isp_reset, 5666f4f5df23SVikas Chaudhary .reset_firmware = qla4_8xxx_stop_firmware, 5667f8086f4fSVikas Chaudhary .queue_iocb = qla4_82xx_queue_iocb, 5668f8086f4fSVikas Chaudhary .complete_iocb = qla4_82xx_complete_iocb, 5669f8086f4fSVikas Chaudhary .rd_shdw_req_q_out = qla4_82xx_rd_shdw_req_q_out, 5670f8086f4fSVikas Chaudhary .rd_shdw_rsp_q_in = qla4_82xx_rd_shdw_rsp_q_in, 5671f4f5df23SVikas Chaudhary .get_sys_info = qla4_8xxx_get_sys_info, 567233693c7aSVikas Chaudhary .rd_reg_direct = qla4_82xx_rd_32, 567333693c7aSVikas Chaudhary .wr_reg_direct = qla4_82xx_wr_32, 567433693c7aSVikas Chaudhary .rd_reg_indirect = qla4_82xx_md_rd_32, 567533693c7aSVikas Chaudhary .wr_reg_indirect = qla4_82xx_md_wr_32, 567633693c7aSVikas Chaudhary .idc_lock = qla4_82xx_idc_lock, 567733693c7aSVikas Chaudhary .idc_unlock = qla4_82xx_idc_unlock, 567833693c7aSVikas Chaudhary .rom_lock_recovery = qla4_82xx_rom_lock_recovery, 567933693c7aSVikas Chaudhary .queue_mailbox_command = qla4_82xx_queue_mbox_cmd, 568033693c7aSVikas Chaudhary .process_mailbox_interrupt = qla4_82xx_process_mbox_intr, 5681f4f5df23SVikas Chaudhary }; 5682f4f5df23SVikas Chaudhary 56836e7b4292SVikas Chaudhary static struct isp_operations qla4_83xx_isp_ops = { 56846e7b4292SVikas Chaudhary .iospace_config = qla4_8xxx_iospace_config, 56856e7b4292SVikas Chaudhary .pci_config = qla4_8xxx_pci_config, 56866e7b4292SVikas Chaudhary .disable_intrs = qla4_83xx_disable_intrs, 56876e7b4292SVikas Chaudhary .enable_intrs = qla4_83xx_enable_intrs, 56886e7b4292SVikas Chaudhary .start_firmware = qla4_8xxx_load_risc, 56896e7b4292SVikas Chaudhary .restart_firmware = qla4_83xx_start_firmware, 56906e7b4292SVikas Chaudhary .intr_handler = qla4_83xx_intr_handler, 56916e7b4292SVikas Chaudhary .interrupt_service_routine = qla4_83xx_interrupt_service_routine, 56926e7b4292SVikas Chaudhary .need_reset = qla4_8xxx_need_reset, 56936e7b4292SVikas Chaudhary .reset_chip = qla4_83xx_isp_reset, 56946e7b4292SVikas Chaudhary .reset_firmware = qla4_8xxx_stop_firmware, 56956e7b4292SVikas Chaudhary .queue_iocb = qla4_83xx_queue_iocb, 56966e7b4292SVikas Chaudhary .complete_iocb = qla4_83xx_complete_iocb, 5697a24058f9STej Parkash .rd_shdw_req_q_out = qla4xxx_rd_shdw_req_q_out, 5698a24058f9STej Parkash .rd_shdw_rsp_q_in = qla4xxx_rd_shdw_rsp_q_in, 56996e7b4292SVikas Chaudhary .get_sys_info = qla4_8xxx_get_sys_info, 57006e7b4292SVikas Chaudhary .rd_reg_direct = qla4_83xx_rd_reg, 57016e7b4292SVikas Chaudhary .wr_reg_direct = qla4_83xx_wr_reg, 57026e7b4292SVikas Chaudhary .rd_reg_indirect = qla4_83xx_rd_reg_indirect, 57036e7b4292SVikas Chaudhary .wr_reg_indirect = qla4_83xx_wr_reg_indirect, 57046e7b4292SVikas Chaudhary .idc_lock = qla4_83xx_drv_lock, 57056e7b4292SVikas Chaudhary .idc_unlock = qla4_83xx_drv_unlock, 57066e7b4292SVikas Chaudhary .rom_lock_recovery = qla4_83xx_rom_lock_recovery, 57076e7b4292SVikas Chaudhary .queue_mailbox_command = qla4_83xx_queue_mbox_cmd, 57086e7b4292SVikas Chaudhary .process_mailbox_interrupt = qla4_83xx_process_mbox_intr, 5709f4f5df23SVikas Chaudhary }; 5710f4f5df23SVikas Chaudhary 5711f4f5df23SVikas Chaudhary uint16_t qla4xxx_rd_shdw_req_q_out(struct scsi_qla_host *ha) 5712f4f5df23SVikas Chaudhary { 5713f4f5df23SVikas Chaudhary return (uint16_t)le32_to_cpu(ha->shadow_regs->req_q_out); 5714f4f5df23SVikas Chaudhary } 5715f4f5df23SVikas Chaudhary 5716f8086f4fSVikas Chaudhary uint16_t qla4_82xx_rd_shdw_req_q_out(struct scsi_qla_host *ha) 5717f4f5df23SVikas Chaudhary { 57187664a1fdSVikas Chaudhary return (uint16_t)le32_to_cpu(readl(&ha->qla4_82xx_reg->req_q_out)); 5719f4f5df23SVikas Chaudhary } 5720f4f5df23SVikas Chaudhary 5721f4f5df23SVikas Chaudhary uint16_t qla4xxx_rd_shdw_rsp_q_in(struct scsi_qla_host *ha) 5722f4f5df23SVikas Chaudhary { 5723f4f5df23SVikas Chaudhary return (uint16_t)le32_to_cpu(ha->shadow_regs->rsp_q_in); 5724f4f5df23SVikas Chaudhary } 5725f4f5df23SVikas Chaudhary 5726f8086f4fSVikas Chaudhary uint16_t qla4_82xx_rd_shdw_rsp_q_in(struct scsi_qla_host *ha) 5727f4f5df23SVikas Chaudhary { 57287664a1fdSVikas Chaudhary return (uint16_t)le32_to_cpu(readl(&ha->qla4_82xx_reg->rsp_q_in)); 5729f4f5df23SVikas Chaudhary } 5730f4f5df23SVikas Chaudhary 57312a991c21SManish Rangankar static ssize_t qla4xxx_show_boot_eth_info(void *data, int type, char *buf) 57322a991c21SManish Rangankar { 57332a991c21SManish Rangankar struct scsi_qla_host *ha = data; 57342a991c21SManish Rangankar char *str = buf; 57352a991c21SManish Rangankar int rc; 57362a991c21SManish Rangankar 57372a991c21SManish Rangankar switch (type) { 57382a991c21SManish Rangankar case ISCSI_BOOT_ETH_FLAGS: 57392a991c21SManish Rangankar rc = sprintf(str, "%d\n", SYSFS_FLAG_FW_SEL_BOOT); 57402a991c21SManish Rangankar break; 57412a991c21SManish Rangankar case ISCSI_BOOT_ETH_INDEX: 57422a991c21SManish Rangankar rc = sprintf(str, "0\n"); 57432a991c21SManish Rangankar break; 57442a991c21SManish Rangankar case ISCSI_BOOT_ETH_MAC: 57452a991c21SManish Rangankar rc = sysfs_format_mac(str, ha->my_mac, 57462a991c21SManish Rangankar MAC_ADDR_LEN); 57472a991c21SManish Rangankar break; 57482a991c21SManish Rangankar default: 57492a991c21SManish Rangankar rc = -ENOSYS; 57502a991c21SManish Rangankar break; 57512a991c21SManish Rangankar } 57522a991c21SManish Rangankar return rc; 57532a991c21SManish Rangankar } 57542a991c21SManish Rangankar 5755587a1f16SAl Viro static umode_t qla4xxx_eth_get_attr_visibility(void *data, int type) 57562a991c21SManish Rangankar { 57572a991c21SManish Rangankar int rc; 57582a991c21SManish Rangankar 57592a991c21SManish Rangankar switch (type) { 57602a991c21SManish Rangankar case ISCSI_BOOT_ETH_FLAGS: 57612a991c21SManish Rangankar case ISCSI_BOOT_ETH_MAC: 57622a991c21SManish Rangankar case ISCSI_BOOT_ETH_INDEX: 57632a991c21SManish Rangankar rc = S_IRUGO; 57642a991c21SManish Rangankar break; 57652a991c21SManish Rangankar default: 57662a991c21SManish Rangankar rc = 0; 57672a991c21SManish Rangankar break; 57682a991c21SManish Rangankar } 57692a991c21SManish Rangankar return rc; 57702a991c21SManish Rangankar } 57712a991c21SManish Rangankar 57722a991c21SManish Rangankar static ssize_t qla4xxx_show_boot_ini_info(void *data, int type, char *buf) 57732a991c21SManish Rangankar { 57742a991c21SManish Rangankar struct scsi_qla_host *ha = data; 57752a991c21SManish Rangankar char *str = buf; 57762a991c21SManish Rangankar int rc; 57772a991c21SManish Rangankar 57782a991c21SManish Rangankar switch (type) { 57792a991c21SManish Rangankar case ISCSI_BOOT_INI_INITIATOR_NAME: 57802a991c21SManish Rangankar rc = sprintf(str, "%s\n", ha->name_string); 57812a991c21SManish Rangankar break; 57822a991c21SManish Rangankar default: 57832a991c21SManish Rangankar rc = -ENOSYS; 57842a991c21SManish Rangankar break; 57852a991c21SManish Rangankar } 57862a991c21SManish Rangankar return rc; 57872a991c21SManish Rangankar } 57882a991c21SManish Rangankar 5789587a1f16SAl Viro static umode_t qla4xxx_ini_get_attr_visibility(void *data, int type) 57902a991c21SManish Rangankar { 57912a991c21SManish Rangankar int rc; 57922a991c21SManish Rangankar 57932a991c21SManish Rangankar switch (type) { 57942a991c21SManish Rangankar case ISCSI_BOOT_INI_INITIATOR_NAME: 57952a991c21SManish Rangankar rc = S_IRUGO; 57962a991c21SManish Rangankar break; 57972a991c21SManish Rangankar default: 57982a991c21SManish Rangankar rc = 0; 57992a991c21SManish Rangankar break; 58002a991c21SManish Rangankar } 58012a991c21SManish Rangankar return rc; 58022a991c21SManish Rangankar } 58032a991c21SManish Rangankar 58042a991c21SManish Rangankar static ssize_t 58052a991c21SManish Rangankar qla4xxx_show_boot_tgt_info(struct ql4_boot_session_info *boot_sess, int type, 58062a991c21SManish Rangankar char *buf) 58072a991c21SManish Rangankar { 58082a991c21SManish Rangankar struct ql4_conn_info *boot_conn = &boot_sess->conn_list[0]; 58092a991c21SManish Rangankar char *str = buf; 58102a991c21SManish Rangankar int rc; 58112a991c21SManish Rangankar 58122a991c21SManish Rangankar switch (type) { 58132a991c21SManish Rangankar case ISCSI_BOOT_TGT_NAME: 58142a991c21SManish Rangankar rc = sprintf(buf, "%s\n", (char *)&boot_sess->target_name); 58152a991c21SManish Rangankar break; 58162a991c21SManish Rangankar case ISCSI_BOOT_TGT_IP_ADDR: 58172a991c21SManish Rangankar if (boot_sess->conn_list[0].dest_ipaddr.ip_type == 0x1) 58182a991c21SManish Rangankar rc = sprintf(buf, "%pI4\n", 58192a991c21SManish Rangankar &boot_conn->dest_ipaddr.ip_address); 58202a991c21SManish Rangankar else 58212a991c21SManish Rangankar rc = sprintf(str, "%pI6\n", 58222a991c21SManish Rangankar &boot_conn->dest_ipaddr.ip_address); 58232a991c21SManish Rangankar break; 58242a991c21SManish Rangankar case ISCSI_BOOT_TGT_PORT: 58252a991c21SManish Rangankar rc = sprintf(str, "%d\n", boot_conn->dest_port); 58262a991c21SManish Rangankar break; 58272a991c21SManish Rangankar case ISCSI_BOOT_TGT_CHAP_NAME: 58282a991c21SManish Rangankar rc = sprintf(str, "%.*s\n", 58292a991c21SManish Rangankar boot_conn->chap.target_chap_name_length, 58302a991c21SManish Rangankar (char *)&boot_conn->chap.target_chap_name); 58312a991c21SManish Rangankar break; 58322a991c21SManish Rangankar case ISCSI_BOOT_TGT_CHAP_SECRET: 58332a991c21SManish Rangankar rc = sprintf(str, "%.*s\n", 58342a991c21SManish Rangankar boot_conn->chap.target_secret_length, 58352a991c21SManish Rangankar (char *)&boot_conn->chap.target_secret); 58362a991c21SManish Rangankar break; 58372a991c21SManish Rangankar case ISCSI_BOOT_TGT_REV_CHAP_NAME: 58382a991c21SManish Rangankar rc = sprintf(str, "%.*s\n", 58392a991c21SManish Rangankar boot_conn->chap.intr_chap_name_length, 58402a991c21SManish Rangankar (char *)&boot_conn->chap.intr_chap_name); 58412a991c21SManish Rangankar break; 58422a991c21SManish Rangankar case ISCSI_BOOT_TGT_REV_CHAP_SECRET: 58432a991c21SManish Rangankar rc = sprintf(str, "%.*s\n", 58442a991c21SManish Rangankar boot_conn->chap.intr_secret_length, 58452a991c21SManish Rangankar (char *)&boot_conn->chap.intr_secret); 58462a991c21SManish Rangankar break; 58472a991c21SManish Rangankar case ISCSI_BOOT_TGT_FLAGS: 58482a991c21SManish Rangankar rc = sprintf(str, "%d\n", SYSFS_FLAG_FW_SEL_BOOT); 58492a991c21SManish Rangankar break; 58502a991c21SManish Rangankar case ISCSI_BOOT_TGT_NIC_ASSOC: 58512a991c21SManish Rangankar rc = sprintf(str, "0\n"); 58522a991c21SManish Rangankar break; 58532a991c21SManish Rangankar default: 58542a991c21SManish Rangankar rc = -ENOSYS; 58552a991c21SManish Rangankar break; 58562a991c21SManish Rangankar } 58572a991c21SManish Rangankar return rc; 58582a991c21SManish Rangankar } 58592a991c21SManish Rangankar 58602a991c21SManish Rangankar static ssize_t qla4xxx_show_boot_tgt_pri_info(void *data, int type, char *buf) 58612a991c21SManish Rangankar { 58622a991c21SManish Rangankar struct scsi_qla_host *ha = data; 58632a991c21SManish Rangankar struct ql4_boot_session_info *boot_sess = &(ha->boot_tgt.boot_pri_sess); 58642a991c21SManish Rangankar 58652a991c21SManish Rangankar return qla4xxx_show_boot_tgt_info(boot_sess, type, buf); 58662a991c21SManish Rangankar } 58672a991c21SManish Rangankar 58682a991c21SManish Rangankar static ssize_t qla4xxx_show_boot_tgt_sec_info(void *data, int type, char *buf) 58692a991c21SManish Rangankar { 58702a991c21SManish Rangankar struct scsi_qla_host *ha = data; 58712a991c21SManish Rangankar struct ql4_boot_session_info *boot_sess = &(ha->boot_tgt.boot_sec_sess); 58722a991c21SManish Rangankar 58732a991c21SManish Rangankar return qla4xxx_show_boot_tgt_info(boot_sess, type, buf); 58742a991c21SManish Rangankar } 58752a991c21SManish Rangankar 5876587a1f16SAl Viro static umode_t qla4xxx_tgt_get_attr_visibility(void *data, int type) 58772a991c21SManish Rangankar { 58782a991c21SManish Rangankar int rc; 58792a991c21SManish Rangankar 58802a991c21SManish Rangankar switch (type) { 58812a991c21SManish Rangankar case ISCSI_BOOT_TGT_NAME: 58822a991c21SManish Rangankar case ISCSI_BOOT_TGT_IP_ADDR: 58832a991c21SManish Rangankar case ISCSI_BOOT_TGT_PORT: 58842a991c21SManish Rangankar case ISCSI_BOOT_TGT_CHAP_NAME: 58852a991c21SManish Rangankar case ISCSI_BOOT_TGT_CHAP_SECRET: 58862a991c21SManish Rangankar case ISCSI_BOOT_TGT_REV_CHAP_NAME: 58872a991c21SManish Rangankar case ISCSI_BOOT_TGT_REV_CHAP_SECRET: 58882a991c21SManish Rangankar case ISCSI_BOOT_TGT_NIC_ASSOC: 58892a991c21SManish Rangankar case ISCSI_BOOT_TGT_FLAGS: 58902a991c21SManish Rangankar rc = S_IRUGO; 58912a991c21SManish Rangankar break; 58922a991c21SManish Rangankar default: 58932a991c21SManish Rangankar rc = 0; 58942a991c21SManish Rangankar break; 58952a991c21SManish Rangankar } 58962a991c21SManish Rangankar return rc; 58972a991c21SManish Rangankar } 58982a991c21SManish Rangankar 58992a991c21SManish Rangankar static void qla4xxx_boot_release(void *data) 59002a991c21SManish Rangankar { 59012a991c21SManish Rangankar struct scsi_qla_host *ha = data; 59022a991c21SManish Rangankar 59032a991c21SManish Rangankar scsi_host_put(ha->host); 59042a991c21SManish Rangankar } 59052a991c21SManish Rangankar 59062a991c21SManish Rangankar static int get_fw_boot_info(struct scsi_qla_host *ha, uint16_t ddb_index[]) 59072a991c21SManish Rangankar { 59082a991c21SManish Rangankar dma_addr_t buf_dma; 59092a991c21SManish Rangankar uint32_t addr, pri_addr, sec_addr; 59102a991c21SManish Rangankar uint32_t offset; 59112a991c21SManish Rangankar uint16_t func_num; 59122a991c21SManish Rangankar uint8_t val; 59132a991c21SManish Rangankar uint8_t *buf = NULL; 59142a991c21SManish Rangankar size_t size = 13 * sizeof(uint8_t); 59152a991c21SManish Rangankar int ret = QLA_SUCCESS; 59162a991c21SManish Rangankar 59172a991c21SManish Rangankar func_num = PCI_FUNC(ha->pdev->devfn); 59182a991c21SManish Rangankar 59190d5b36b8SManish Rangankar ql4_printk(KERN_INFO, ha, "%s: Get FW boot info for 0x%x func %d\n", 59200d5b36b8SManish Rangankar __func__, ha->pdev->device, func_num); 59212a991c21SManish Rangankar 59220d5b36b8SManish Rangankar if (is_qla40XX(ha)) { 59232a991c21SManish Rangankar if (func_num == 1) { 59242a991c21SManish Rangankar addr = NVRAM_PORT0_BOOT_MODE; 59252a991c21SManish Rangankar pri_addr = NVRAM_PORT0_BOOT_PRI_TGT; 59262a991c21SManish Rangankar sec_addr = NVRAM_PORT0_BOOT_SEC_TGT; 59272a991c21SManish Rangankar } else if (func_num == 3) { 59282a991c21SManish Rangankar addr = NVRAM_PORT1_BOOT_MODE; 59292a991c21SManish Rangankar pri_addr = NVRAM_PORT1_BOOT_PRI_TGT; 59302a991c21SManish Rangankar sec_addr = NVRAM_PORT1_BOOT_SEC_TGT; 59312a991c21SManish Rangankar } else { 59322a991c21SManish Rangankar ret = QLA_ERROR; 59332a991c21SManish Rangankar goto exit_boot_info; 59342a991c21SManish Rangankar } 59352a991c21SManish Rangankar 59362a991c21SManish Rangankar /* Check Boot Mode */ 59372a991c21SManish Rangankar val = rd_nvram_byte(ha, addr); 59382a991c21SManish Rangankar if (!(val & 0x07)) { 5939e8fb00e0SManish Rangankar DEBUG2(ql4_printk(KERN_INFO, ha, "%s: Adapter boot " 5940e8fb00e0SManish Rangankar "options : 0x%x\n", __func__, val)); 59412a991c21SManish Rangankar ret = QLA_ERROR; 59422a991c21SManish Rangankar goto exit_boot_info; 59432a991c21SManish Rangankar } 59442a991c21SManish Rangankar 59452a991c21SManish Rangankar /* get primary valid target index */ 59462a991c21SManish Rangankar val = rd_nvram_byte(ha, pri_addr); 59472a991c21SManish Rangankar if (val & BIT_7) 59482a991c21SManish Rangankar ddb_index[0] = (val & 0x7f); 59492a991c21SManish Rangankar 59502a991c21SManish Rangankar /* get secondary valid target index */ 59512a991c21SManish Rangankar val = rd_nvram_byte(ha, sec_addr); 59522a991c21SManish Rangankar if (val & BIT_7) 59532a991c21SManish Rangankar ddb_index[1] = (val & 0x7f); 5954608f729cSArnd Bergmann goto exit_boot_info; 59553e788fb1SVikas Chaudhary } else if (is_qla80XX(ha)) { 59562a991c21SManish Rangankar buf = dma_alloc_coherent(&ha->pdev->dev, size, 59572a991c21SManish Rangankar &buf_dma, GFP_KERNEL); 59582a991c21SManish Rangankar if (!buf) { 59592a991c21SManish Rangankar DEBUG2(ql4_printk(KERN_ERR, ha, 59602a991c21SManish Rangankar "%s: Unable to allocate dma buffer\n", 59612a991c21SManish Rangankar __func__)); 59622a991c21SManish Rangankar ret = QLA_ERROR; 59632a991c21SManish Rangankar goto exit_boot_info; 59642a991c21SManish Rangankar } 59652a991c21SManish Rangankar 59662a991c21SManish Rangankar if (ha->port_num == 0) 59672a991c21SManish Rangankar offset = BOOT_PARAM_OFFSET_PORT0; 59682a991c21SManish Rangankar else if (ha->port_num == 1) 59692a991c21SManish Rangankar offset = BOOT_PARAM_OFFSET_PORT1; 59702a991c21SManish Rangankar else { 59712a991c21SManish Rangankar ret = QLA_ERROR; 59722a991c21SManish Rangankar goto exit_boot_info_free; 59732a991c21SManish Rangankar } 59742a991c21SManish Rangankar addr = FLASH_RAW_ACCESS_ADDR + (ha->hw.flt_iscsi_param * 4) + 59752a991c21SManish Rangankar offset; 59762a991c21SManish Rangankar if (qla4xxx_get_flash(ha, buf_dma, addr, 59772a991c21SManish Rangankar 13 * sizeof(uint8_t)) != QLA_SUCCESS) { 59782a991c21SManish Rangankar DEBUG2(ql4_printk(KERN_ERR, ha, "scsi%ld: %s: Get Flash" 59792a991c21SManish Rangankar " failed\n", ha->host_no, __func__)); 59802a991c21SManish Rangankar ret = QLA_ERROR; 59812a991c21SManish Rangankar goto exit_boot_info_free; 59822a991c21SManish Rangankar } 59832a991c21SManish Rangankar /* Check Boot Mode */ 59842a991c21SManish Rangankar if (!(buf[1] & 0x07)) { 5985e8fb00e0SManish Rangankar DEBUG2(ql4_printk(KERN_INFO, ha, "Firmware boot options" 5986e8fb00e0SManish Rangankar " : 0x%x\n", buf[1])); 59872a991c21SManish Rangankar ret = QLA_ERROR; 59882a991c21SManish Rangankar goto exit_boot_info_free; 59892a991c21SManish Rangankar } 59902a991c21SManish Rangankar 59912a991c21SManish Rangankar /* get primary valid target index */ 59922a991c21SManish Rangankar if (buf[2] & BIT_7) 59932a991c21SManish Rangankar ddb_index[0] = buf[2] & 0x7f; 59942a991c21SManish Rangankar 59952a991c21SManish Rangankar /* get secondary valid target index */ 59962a991c21SManish Rangankar if (buf[11] & BIT_7) 59972a991c21SManish Rangankar ddb_index[1] = buf[11] & 0x7f; 59982a991c21SManish Rangankar } else { 59992a991c21SManish Rangankar ret = QLA_ERROR; 60002a991c21SManish Rangankar goto exit_boot_info; 60012a991c21SManish Rangankar } 60022a991c21SManish Rangankar 60032a991c21SManish Rangankar DEBUG2(ql4_printk(KERN_INFO, ha, "%s: Primary target ID %d, Secondary" 60042a991c21SManish Rangankar " target ID %d\n", __func__, ddb_index[0], 60052a991c21SManish Rangankar ddb_index[1])); 60062a991c21SManish Rangankar 60072a991c21SManish Rangankar exit_boot_info_free: 60082a991c21SManish Rangankar dma_free_coherent(&ha->pdev->dev, size, buf, buf_dma); 60092a991c21SManish Rangankar exit_boot_info: 601020e835b4SLalit Chandivade ha->pri_ddb_idx = ddb_index[0]; 601120e835b4SLalit Chandivade ha->sec_ddb_idx = ddb_index[1]; 60122a991c21SManish Rangankar return ret; 60132a991c21SManish Rangankar } 60142a991c21SManish Rangankar 601528deb45cSLalit Chandivade /** 601628deb45cSLalit Chandivade * qla4xxx_get_bidi_chap - Get a BIDI CHAP user and password 601728deb45cSLalit Chandivade * @ha: pointer to adapter structure 601828deb45cSLalit Chandivade * @username: CHAP username to be returned 601928deb45cSLalit Chandivade * @password: CHAP password to be returned 602028deb45cSLalit Chandivade * 602128deb45cSLalit Chandivade * If a boot entry has BIDI CHAP enabled then we need to set the BIDI CHAP 602228deb45cSLalit Chandivade * user and password in the sysfs entry in /sys/firmware/iscsi_boot#/. 602328deb45cSLalit Chandivade * So from the CHAP cache find the first BIDI CHAP entry and set it 602428deb45cSLalit Chandivade * to the boot record in sysfs. 602528deb45cSLalit Chandivade **/ 602628deb45cSLalit Chandivade static int qla4xxx_get_bidi_chap(struct scsi_qla_host *ha, char *username, 602728deb45cSLalit Chandivade char *password) 602828deb45cSLalit Chandivade { 602928deb45cSLalit Chandivade int i, ret = -EINVAL; 603028deb45cSLalit Chandivade int max_chap_entries = 0; 603128deb45cSLalit Chandivade struct ql4_chap_table *chap_table; 603228deb45cSLalit Chandivade 6033d11b0ca3SVikas Chaudhary if (is_qla80XX(ha)) 603428deb45cSLalit Chandivade max_chap_entries = (ha->hw.flt_chap_size / 2) / 603528deb45cSLalit Chandivade sizeof(struct ql4_chap_table); 603628deb45cSLalit Chandivade else 603728deb45cSLalit Chandivade max_chap_entries = MAX_CHAP_ENTRIES_40XX; 603828deb45cSLalit Chandivade 603928deb45cSLalit Chandivade if (!ha->chap_list) { 604028deb45cSLalit Chandivade ql4_printk(KERN_ERR, ha, "Do not have CHAP table cache\n"); 604128deb45cSLalit Chandivade return ret; 604228deb45cSLalit Chandivade } 604328deb45cSLalit Chandivade 604428deb45cSLalit Chandivade mutex_lock(&ha->chap_sem); 604528deb45cSLalit Chandivade for (i = 0; i < max_chap_entries; i++) { 604628deb45cSLalit Chandivade chap_table = (struct ql4_chap_table *)ha->chap_list + i; 604728deb45cSLalit Chandivade if (chap_table->cookie != 604828deb45cSLalit Chandivade __constant_cpu_to_le16(CHAP_VALID_COOKIE)) { 604928deb45cSLalit Chandivade continue; 605028deb45cSLalit Chandivade } 605128deb45cSLalit Chandivade 605228deb45cSLalit Chandivade if (chap_table->flags & BIT_7) /* local */ 605328deb45cSLalit Chandivade continue; 605428deb45cSLalit Chandivade 605528deb45cSLalit Chandivade if (!(chap_table->flags & BIT_6)) /* Not BIDI */ 605628deb45cSLalit Chandivade continue; 605728deb45cSLalit Chandivade 6058bdbb9662SRickard Strandqvist strlcpy(password, chap_table->secret, QL4_CHAP_MAX_SECRET_LEN); 6059bdbb9662SRickard Strandqvist strlcpy(username, chap_table->name, QL4_CHAP_MAX_NAME_LEN); 606028deb45cSLalit Chandivade ret = 0; 606128deb45cSLalit Chandivade break; 606228deb45cSLalit Chandivade } 606328deb45cSLalit Chandivade mutex_unlock(&ha->chap_sem); 606428deb45cSLalit Chandivade 606528deb45cSLalit Chandivade return ret; 606628deb45cSLalit Chandivade } 606728deb45cSLalit Chandivade 606828deb45cSLalit Chandivade 60692a991c21SManish Rangankar static int qla4xxx_get_boot_target(struct scsi_qla_host *ha, 60702a991c21SManish Rangankar struct ql4_boot_session_info *boot_sess, 60712a991c21SManish Rangankar uint16_t ddb_index) 60722a991c21SManish Rangankar { 60732a991c21SManish Rangankar struct ql4_conn_info *boot_conn = &boot_sess->conn_list[0]; 60742a991c21SManish Rangankar struct dev_db_entry *fw_ddb_entry; 60752a991c21SManish Rangankar dma_addr_t fw_ddb_entry_dma; 60762a991c21SManish Rangankar uint16_t idx; 60772a991c21SManish Rangankar uint16_t options; 60782a991c21SManish Rangankar int ret = QLA_SUCCESS; 60792a991c21SManish Rangankar 60802a991c21SManish Rangankar fw_ddb_entry = dma_alloc_coherent(&ha->pdev->dev, sizeof(*fw_ddb_entry), 60812a991c21SManish Rangankar &fw_ddb_entry_dma, GFP_KERNEL); 60822a991c21SManish Rangankar if (!fw_ddb_entry) { 60832a991c21SManish Rangankar DEBUG2(ql4_printk(KERN_ERR, ha, 60842a991c21SManish Rangankar "%s: Unable to allocate dma buffer.\n", 60852a991c21SManish Rangankar __func__)); 60862a991c21SManish Rangankar ret = QLA_ERROR; 60872a991c21SManish Rangankar return ret; 60882a991c21SManish Rangankar } 60892a991c21SManish Rangankar 60902a991c21SManish Rangankar if (qla4xxx_bootdb_by_index(ha, fw_ddb_entry, 60912a991c21SManish Rangankar fw_ddb_entry_dma, ddb_index)) { 6092e8fb00e0SManish Rangankar DEBUG2(ql4_printk(KERN_INFO, ha, "%s: No Flash DDB found at " 6093e8fb00e0SManish Rangankar "index [%d]\n", __func__, ddb_index)); 60942a991c21SManish Rangankar ret = QLA_ERROR; 60952a991c21SManish Rangankar goto exit_boot_target; 60962a991c21SManish Rangankar } 60972a991c21SManish Rangankar 60982a991c21SManish Rangankar /* Update target name and IP from DDB */ 60992a991c21SManish Rangankar memcpy(boot_sess->target_name, fw_ddb_entry->iscsi_name, 61002a991c21SManish Rangankar min(sizeof(boot_sess->target_name), 61012a991c21SManish Rangankar sizeof(fw_ddb_entry->iscsi_name))); 61022a991c21SManish Rangankar 61032a991c21SManish Rangankar options = le16_to_cpu(fw_ddb_entry->options); 61042a991c21SManish Rangankar if (options & DDB_OPT_IPV6_DEVICE) { 61052a991c21SManish Rangankar memcpy(&boot_conn->dest_ipaddr.ip_address, 61062a991c21SManish Rangankar &fw_ddb_entry->ip_addr[0], IPv6_ADDR_LEN); 61072a991c21SManish Rangankar } else { 61082a991c21SManish Rangankar boot_conn->dest_ipaddr.ip_type = 0x1; 61092a991c21SManish Rangankar memcpy(&boot_conn->dest_ipaddr.ip_address, 61102a991c21SManish Rangankar &fw_ddb_entry->ip_addr[0], IP_ADDR_LEN); 61112a991c21SManish Rangankar } 61122a991c21SManish Rangankar 61132a991c21SManish Rangankar boot_conn->dest_port = le16_to_cpu(fw_ddb_entry->port); 61142a991c21SManish Rangankar 61152a991c21SManish Rangankar /* update chap information */ 61162a991c21SManish Rangankar idx = __le16_to_cpu(fw_ddb_entry->chap_tbl_idx); 61172a991c21SManish Rangankar 61182a991c21SManish Rangankar if (BIT_7 & le16_to_cpu(fw_ddb_entry->iscsi_options)) { 61192a991c21SManish Rangankar 61202a991c21SManish Rangankar DEBUG2(ql4_printk(KERN_INFO, ha, "Setting chap\n")); 61212a991c21SManish Rangankar 61222a991c21SManish Rangankar ret = qla4xxx_get_chap(ha, (char *)&boot_conn->chap. 61232a991c21SManish Rangankar target_chap_name, 61242a991c21SManish Rangankar (char *)&boot_conn->chap.target_secret, 61252a991c21SManish Rangankar idx); 61262a991c21SManish Rangankar if (ret) { 61272a991c21SManish Rangankar ql4_printk(KERN_ERR, ha, "Failed to set chap\n"); 61282a991c21SManish Rangankar ret = QLA_ERROR; 61292a991c21SManish Rangankar goto exit_boot_target; 61302a991c21SManish Rangankar } 61312a991c21SManish Rangankar 61322a991c21SManish Rangankar boot_conn->chap.target_chap_name_length = QL4_CHAP_MAX_NAME_LEN; 61332a991c21SManish Rangankar boot_conn->chap.target_secret_length = QL4_CHAP_MAX_SECRET_LEN; 61342a991c21SManish Rangankar } 61352a991c21SManish Rangankar 61362a991c21SManish Rangankar if (BIT_4 & le16_to_cpu(fw_ddb_entry->iscsi_options)) { 61372a991c21SManish Rangankar 61382a991c21SManish Rangankar DEBUG2(ql4_printk(KERN_INFO, ha, "Setting BIDI chap\n")); 61392a991c21SManish Rangankar 614028deb45cSLalit Chandivade ret = qla4xxx_get_bidi_chap(ha, 614128deb45cSLalit Chandivade (char *)&boot_conn->chap.intr_chap_name, 614228deb45cSLalit Chandivade (char *)&boot_conn->chap.intr_secret); 614328deb45cSLalit Chandivade 61442a991c21SManish Rangankar if (ret) { 61452a991c21SManish Rangankar ql4_printk(KERN_ERR, ha, "Failed to set BIDI chap\n"); 61462a991c21SManish Rangankar ret = QLA_ERROR; 61472a991c21SManish Rangankar goto exit_boot_target; 61482a991c21SManish Rangankar } 61492a991c21SManish Rangankar 61502a991c21SManish Rangankar boot_conn->chap.intr_chap_name_length = QL4_CHAP_MAX_NAME_LEN; 61512a991c21SManish Rangankar boot_conn->chap.intr_secret_length = QL4_CHAP_MAX_SECRET_LEN; 61522a991c21SManish Rangankar } 61532a991c21SManish Rangankar 61542a991c21SManish Rangankar exit_boot_target: 61552a991c21SManish Rangankar dma_free_coherent(&ha->pdev->dev, sizeof(*fw_ddb_entry), 61562a991c21SManish Rangankar fw_ddb_entry, fw_ddb_entry_dma); 61572a991c21SManish Rangankar return ret; 61582a991c21SManish Rangankar } 61592a991c21SManish Rangankar 61602a991c21SManish Rangankar static int qla4xxx_get_boot_info(struct scsi_qla_host *ha) 61612a991c21SManish Rangankar { 61622a991c21SManish Rangankar uint16_t ddb_index[2]; 61638de5b958SLalit Chandivade int ret = QLA_ERROR; 61648de5b958SLalit Chandivade int rval; 61652a991c21SManish Rangankar 61662a991c21SManish Rangankar memset(ddb_index, 0, sizeof(ddb_index)); 61678de5b958SLalit Chandivade ddb_index[0] = 0xffff; 61688de5b958SLalit Chandivade ddb_index[1] = 0xffff; 61692a991c21SManish Rangankar ret = get_fw_boot_info(ha, ddb_index); 61702a991c21SManish Rangankar if (ret != QLA_SUCCESS) { 6171e8fb00e0SManish Rangankar DEBUG2(ql4_printk(KERN_INFO, ha, 6172e8fb00e0SManish Rangankar "%s: No boot target configured.\n", __func__)); 61732a991c21SManish Rangankar return ret; 61742a991c21SManish Rangankar } 61752a991c21SManish Rangankar 617613483730SMike Christie if (ql4xdisablesysfsboot) 617713483730SMike Christie return QLA_SUCCESS; 617813483730SMike Christie 61798de5b958SLalit Chandivade if (ddb_index[0] == 0xffff) 61808de5b958SLalit Chandivade goto sec_target; 61818de5b958SLalit Chandivade 61828de5b958SLalit Chandivade rval = qla4xxx_get_boot_target(ha, &(ha->boot_tgt.boot_pri_sess), 61832a991c21SManish Rangankar ddb_index[0]); 61848de5b958SLalit Chandivade if (rval != QLA_SUCCESS) { 6185e8fb00e0SManish Rangankar DEBUG2(ql4_printk(KERN_INFO, ha, "%s: Primary boot target not " 6186e8fb00e0SManish Rangankar "configured\n", __func__)); 61878de5b958SLalit Chandivade } else 61888de5b958SLalit Chandivade ret = QLA_SUCCESS; 61892a991c21SManish Rangankar 61908de5b958SLalit Chandivade sec_target: 61918de5b958SLalit Chandivade if (ddb_index[1] == 0xffff) 61928de5b958SLalit Chandivade goto exit_get_boot_info; 61938de5b958SLalit Chandivade 61948de5b958SLalit Chandivade rval = qla4xxx_get_boot_target(ha, &(ha->boot_tgt.boot_sec_sess), 61952a991c21SManish Rangankar ddb_index[1]); 61968de5b958SLalit Chandivade if (rval != QLA_SUCCESS) { 6197e8fb00e0SManish Rangankar DEBUG2(ql4_printk(KERN_INFO, ha, "%s: Secondary boot target not" 6198e8fb00e0SManish Rangankar " configured\n", __func__)); 61998de5b958SLalit Chandivade } else 62008de5b958SLalit Chandivade ret = QLA_SUCCESS; 62018de5b958SLalit Chandivade 62028de5b958SLalit Chandivade exit_get_boot_info: 62032a991c21SManish Rangankar return ret; 62042a991c21SManish Rangankar } 62052a991c21SManish Rangankar 62062a991c21SManish Rangankar static int qla4xxx_setup_boot_info(struct scsi_qla_host *ha) 62072a991c21SManish Rangankar { 62082a991c21SManish Rangankar struct iscsi_boot_kobj *boot_kobj; 62092a991c21SManish Rangankar 62102a991c21SManish Rangankar if (qla4xxx_get_boot_info(ha) != QLA_SUCCESS) 621113483730SMike Christie return QLA_ERROR; 621213483730SMike Christie 621313483730SMike Christie if (ql4xdisablesysfsboot) { 621413483730SMike Christie ql4_printk(KERN_INFO, ha, 621513483730SMike Christie "%s: syfsboot disabled - driver will trigger login " 621613483730SMike Christie "and publish session for discovery .\n", __func__); 621713483730SMike Christie return QLA_SUCCESS; 621813483730SMike Christie } 621913483730SMike Christie 62202a991c21SManish Rangankar 62212a991c21SManish Rangankar ha->boot_kset = iscsi_boot_create_host_kset(ha->host->host_no); 62222a991c21SManish Rangankar if (!ha->boot_kset) 62232a991c21SManish Rangankar goto kset_free; 62242a991c21SManish Rangankar 62252a991c21SManish Rangankar if (!scsi_host_get(ha->host)) 62262a991c21SManish Rangankar goto kset_free; 62272a991c21SManish Rangankar boot_kobj = iscsi_boot_create_target(ha->boot_kset, 0, ha, 62282a991c21SManish Rangankar qla4xxx_show_boot_tgt_pri_info, 62292a991c21SManish Rangankar qla4xxx_tgt_get_attr_visibility, 62302a991c21SManish Rangankar qla4xxx_boot_release); 62312a991c21SManish Rangankar if (!boot_kobj) 62322a991c21SManish Rangankar goto put_host; 62332a991c21SManish Rangankar 62342a991c21SManish Rangankar if (!scsi_host_get(ha->host)) 62352a991c21SManish Rangankar goto kset_free; 62362a991c21SManish Rangankar boot_kobj = iscsi_boot_create_target(ha->boot_kset, 1, ha, 62372a991c21SManish Rangankar qla4xxx_show_boot_tgt_sec_info, 62382a991c21SManish Rangankar qla4xxx_tgt_get_attr_visibility, 62392a991c21SManish Rangankar qla4xxx_boot_release); 62402a991c21SManish Rangankar if (!boot_kobj) 62412a991c21SManish Rangankar goto put_host; 62422a991c21SManish Rangankar 62432a991c21SManish Rangankar if (!scsi_host_get(ha->host)) 62442a991c21SManish Rangankar goto kset_free; 62452a991c21SManish Rangankar boot_kobj = iscsi_boot_create_initiator(ha->boot_kset, 0, ha, 62462a991c21SManish Rangankar qla4xxx_show_boot_ini_info, 62472a991c21SManish Rangankar qla4xxx_ini_get_attr_visibility, 62482a991c21SManish Rangankar qla4xxx_boot_release); 62492a991c21SManish Rangankar if (!boot_kobj) 62502a991c21SManish Rangankar goto put_host; 62512a991c21SManish Rangankar 62522a991c21SManish Rangankar if (!scsi_host_get(ha->host)) 62532a991c21SManish Rangankar goto kset_free; 62542a991c21SManish Rangankar boot_kobj = iscsi_boot_create_ethernet(ha->boot_kset, 0, ha, 62552a991c21SManish Rangankar qla4xxx_show_boot_eth_info, 62562a991c21SManish Rangankar qla4xxx_eth_get_attr_visibility, 62572a991c21SManish Rangankar qla4xxx_boot_release); 62582a991c21SManish Rangankar if (!boot_kobj) 62592a991c21SManish Rangankar goto put_host; 62602a991c21SManish Rangankar 626113483730SMike Christie return QLA_SUCCESS; 62622a991c21SManish Rangankar 62632a991c21SManish Rangankar put_host: 62642a991c21SManish Rangankar scsi_host_put(ha->host); 62652a991c21SManish Rangankar kset_free: 62662a991c21SManish Rangankar iscsi_boot_destroy_kset(ha->boot_kset); 62672a991c21SManish Rangankar return -ENOMEM; 62682a991c21SManish Rangankar } 62692a991c21SManish Rangankar 62704549415aSLalit Chandivade 627113483730SMike Christie static void qla4xxx_get_param_ddb(struct ddb_entry *ddb_entry, 627213483730SMike Christie struct ql4_tuple_ddb *tddb) 627313483730SMike Christie { 627413483730SMike Christie struct iscsi_cls_session *cls_sess; 627513483730SMike Christie struct iscsi_cls_conn *cls_conn; 627613483730SMike Christie struct iscsi_session *sess; 627713483730SMike Christie struct iscsi_conn *conn; 627813483730SMike Christie 627913483730SMike Christie DEBUG2(printk(KERN_INFO "Func: %s\n", __func__)); 628013483730SMike Christie cls_sess = ddb_entry->sess; 628113483730SMike Christie sess = cls_sess->dd_data; 628213483730SMike Christie cls_conn = ddb_entry->conn; 628313483730SMike Christie conn = cls_conn->dd_data; 628413483730SMike Christie 628513483730SMike Christie tddb->tpgt = sess->tpgt; 628613483730SMike Christie tddb->port = conn->persistent_port; 6287bdbb9662SRickard Strandqvist strlcpy(tddb->iscsi_name, sess->targetname, ISCSI_NAME_SIZE); 6288bdbb9662SRickard Strandqvist strlcpy(tddb->ip_addr, conn->persistent_address, DDB_IPADDR_LEN); 628913483730SMike Christie } 629013483730SMike Christie 629113483730SMike Christie static void qla4xxx_convert_param_ddb(struct dev_db_entry *fw_ddb_entry, 62921cb78d73SVikas Chaudhary struct ql4_tuple_ddb *tddb, 62931cb78d73SVikas Chaudhary uint8_t *flash_isid) 629413483730SMike Christie { 629513483730SMike Christie uint16_t options = 0; 629613483730SMike Christie 629713483730SMike Christie tddb->tpgt = le32_to_cpu(fw_ddb_entry->tgt_portal_grp); 629813483730SMike Christie memcpy(&tddb->iscsi_name[0], &fw_ddb_entry->iscsi_name[0], 629913483730SMike Christie min(sizeof(tddb->iscsi_name), sizeof(fw_ddb_entry->iscsi_name))); 630013483730SMike Christie 630113483730SMike Christie options = le16_to_cpu(fw_ddb_entry->options); 630213483730SMike Christie if (options & DDB_OPT_IPV6_DEVICE) 630313483730SMike Christie sprintf(tddb->ip_addr, "%pI6", fw_ddb_entry->ip_addr); 630413483730SMike Christie else 630513483730SMike Christie sprintf(tddb->ip_addr, "%pI4", fw_ddb_entry->ip_addr); 630613483730SMike Christie 630713483730SMike Christie tddb->port = le16_to_cpu(fw_ddb_entry->port); 63081cb78d73SVikas Chaudhary 63091cb78d73SVikas Chaudhary if (flash_isid == NULL) 63101cb78d73SVikas Chaudhary memcpy(&tddb->isid[0], &fw_ddb_entry->isid[0], 63111cb78d73SVikas Chaudhary sizeof(tddb->isid)); 63121cb78d73SVikas Chaudhary else 63131cb78d73SVikas Chaudhary memcpy(&tddb->isid[0], &flash_isid[0], sizeof(tddb->isid)); 631413483730SMike Christie } 631513483730SMike Christie 631613483730SMike Christie static int qla4xxx_compare_tuple_ddb(struct scsi_qla_host *ha, 631713483730SMike Christie struct ql4_tuple_ddb *old_tddb, 6318173269efSManish Rangankar struct ql4_tuple_ddb *new_tddb, 6319173269efSManish Rangankar uint8_t is_isid_compare) 632013483730SMike Christie { 632113483730SMike Christie if (strcmp(old_tddb->iscsi_name, new_tddb->iscsi_name)) 632213483730SMike Christie return QLA_ERROR; 632313483730SMike Christie 632413483730SMike Christie if (strcmp(old_tddb->ip_addr, new_tddb->ip_addr)) 632513483730SMike Christie return QLA_ERROR; 632613483730SMike Christie 632713483730SMike Christie if (old_tddb->port != new_tddb->port) 632813483730SMike Christie return QLA_ERROR; 632913483730SMike Christie 6330173269efSManish Rangankar /* For multi sessions, driver generates the ISID, so do not compare 633159e13d48SMasanari Iida * ISID in reset path since it would be a comparison between the 6332173269efSManish Rangankar * driver generated ISID and firmware generated ISID. This could 6333173269efSManish Rangankar * lead to adding duplicated DDBs in the list as driver generated 6334173269efSManish Rangankar * ISID would not match firmware generated ISID. 6335173269efSManish Rangankar */ 6336173269efSManish Rangankar if (is_isid_compare) { 6337d1d81bd0SOleksandr Khoshaba DEBUG2(ql4_printk(KERN_INFO, ha, 6338d1d81bd0SOleksandr Khoshaba "%s: old ISID [%pmR] New ISID [%pmR]\n", 6339d1d81bd0SOleksandr Khoshaba __func__, old_tddb->isid, new_tddb->isid)); 6340173269efSManish Rangankar 6341173269efSManish Rangankar if (memcmp(&old_tddb->isid[0], &new_tddb->isid[0], 6342173269efSManish Rangankar sizeof(old_tddb->isid))) 6343173269efSManish Rangankar return QLA_ERROR; 6344173269efSManish Rangankar } 6345173269efSManish Rangankar 634613483730SMike Christie DEBUG2(ql4_printk(KERN_INFO, ha, 634713483730SMike Christie "Match Found, fw[%d,%d,%s,%s], [%d,%d,%s,%s]", 634813483730SMike Christie old_tddb->port, old_tddb->tpgt, old_tddb->ip_addr, 634913483730SMike Christie old_tddb->iscsi_name, new_tddb->port, new_tddb->tpgt, 635013483730SMike Christie new_tddb->ip_addr, new_tddb->iscsi_name)); 635113483730SMike Christie 635213483730SMike Christie return QLA_SUCCESS; 635313483730SMike Christie } 635413483730SMike Christie 635513483730SMike Christie static int qla4xxx_is_session_exists(struct scsi_qla_host *ha, 6356ad8bd45eSManish Rangankar struct dev_db_entry *fw_ddb_entry, 6357ad8bd45eSManish Rangankar uint32_t *index) 635813483730SMike Christie { 635913483730SMike Christie struct ddb_entry *ddb_entry; 636013483730SMike Christie struct ql4_tuple_ddb *fw_tddb = NULL; 636113483730SMike Christie struct ql4_tuple_ddb *tmp_tddb = NULL; 636213483730SMike Christie int idx; 636313483730SMike Christie int ret = QLA_ERROR; 636413483730SMike Christie 636513483730SMike Christie fw_tddb = vzalloc(sizeof(*fw_tddb)); 636613483730SMike Christie if (!fw_tddb) { 636713483730SMike Christie DEBUG2(ql4_printk(KERN_WARNING, ha, 636813483730SMike Christie "Memory Allocation failed.\n")); 636913483730SMike Christie ret = QLA_SUCCESS; 637013483730SMike Christie goto exit_check; 637113483730SMike Christie } 637213483730SMike Christie 637313483730SMike Christie tmp_tddb = vzalloc(sizeof(*tmp_tddb)); 637413483730SMike Christie if (!tmp_tddb) { 637513483730SMike Christie DEBUG2(ql4_printk(KERN_WARNING, ha, 637613483730SMike Christie "Memory Allocation failed.\n")); 637713483730SMike Christie ret = QLA_SUCCESS; 637813483730SMike Christie goto exit_check; 637913483730SMike Christie } 638013483730SMike Christie 63811cb78d73SVikas Chaudhary qla4xxx_convert_param_ddb(fw_ddb_entry, fw_tddb, NULL); 638213483730SMike Christie 638313483730SMike Christie for (idx = 0; idx < MAX_DDB_ENTRIES; idx++) { 638413483730SMike Christie ddb_entry = qla4xxx_lookup_ddb_by_fw_index(ha, idx); 638513483730SMike Christie if (ddb_entry == NULL) 638613483730SMike Christie continue; 638713483730SMike Christie 638813483730SMike Christie qla4xxx_get_param_ddb(ddb_entry, tmp_tddb); 6389173269efSManish Rangankar if (!qla4xxx_compare_tuple_ddb(ha, fw_tddb, tmp_tddb, false)) { 639013483730SMike Christie ret = QLA_SUCCESS; /* found */ 6391ad8bd45eSManish Rangankar if (index != NULL) 6392ad8bd45eSManish Rangankar *index = idx; 639313483730SMike Christie goto exit_check; 639413483730SMike Christie } 639513483730SMike Christie } 639613483730SMike Christie 639713483730SMike Christie exit_check: 639813483730SMike Christie vfree(fw_tddb); 639913483730SMike Christie vfree(tmp_tddb); 640013483730SMike Christie return ret; 640113483730SMike Christie } 640213483730SMike Christie 64031cb78d73SVikas Chaudhary /** 64041cb78d73SVikas Chaudhary * qla4xxx_check_existing_isid - check if target with same isid exist 64051cb78d73SVikas Chaudhary * in target list 64061cb78d73SVikas Chaudhary * @list_nt: list of target 64071cb78d73SVikas Chaudhary * @isid: isid to check 64081cb78d73SVikas Chaudhary * 64091cb78d73SVikas Chaudhary * This routine return QLA_SUCCESS if target with same isid exist 64101cb78d73SVikas Chaudhary **/ 64111cb78d73SVikas Chaudhary static int qla4xxx_check_existing_isid(struct list_head *list_nt, uint8_t *isid) 64121cb78d73SVikas Chaudhary { 64131cb78d73SVikas Chaudhary struct qla_ddb_index *nt_ddb_idx, *nt_ddb_idx_tmp; 64141cb78d73SVikas Chaudhary struct dev_db_entry *fw_ddb_entry; 64151cb78d73SVikas Chaudhary 64161cb78d73SVikas Chaudhary list_for_each_entry_safe(nt_ddb_idx, nt_ddb_idx_tmp, list_nt, list) { 64171cb78d73SVikas Chaudhary fw_ddb_entry = &nt_ddb_idx->fw_ddb; 64181cb78d73SVikas Chaudhary 64191cb78d73SVikas Chaudhary if (memcmp(&fw_ddb_entry->isid[0], &isid[0], 64201cb78d73SVikas Chaudhary sizeof(nt_ddb_idx->fw_ddb.isid)) == 0) { 64211cb78d73SVikas Chaudhary return QLA_SUCCESS; 64221cb78d73SVikas Chaudhary } 64231cb78d73SVikas Chaudhary } 64241cb78d73SVikas Chaudhary return QLA_ERROR; 64251cb78d73SVikas Chaudhary } 64261cb78d73SVikas Chaudhary 64271cb78d73SVikas Chaudhary /** 64281cb78d73SVikas Chaudhary * qla4xxx_update_isid - compare ddbs and updated isid 64291cb78d73SVikas Chaudhary * @ha: Pointer to host adapter structure. 64301cb78d73SVikas Chaudhary * @list_nt: list of nt target 64311cb78d73SVikas Chaudhary * @fw_ddb_entry: firmware ddb entry 64321cb78d73SVikas Chaudhary * 64331cb78d73SVikas Chaudhary * This routine update isid if ddbs have same iqn, same isid and 64341cb78d73SVikas Chaudhary * different IP addr. 64351cb78d73SVikas Chaudhary * Return QLA_SUCCESS if isid is updated. 64361cb78d73SVikas Chaudhary **/ 64371cb78d73SVikas Chaudhary static int qla4xxx_update_isid(struct scsi_qla_host *ha, 64381cb78d73SVikas Chaudhary struct list_head *list_nt, 64391cb78d73SVikas Chaudhary struct dev_db_entry *fw_ddb_entry) 64401cb78d73SVikas Chaudhary { 64411cb78d73SVikas Chaudhary uint8_t base_value, i; 64421cb78d73SVikas Chaudhary 64431cb78d73SVikas Chaudhary base_value = fw_ddb_entry->isid[1] & 0x1f; 64441cb78d73SVikas Chaudhary for (i = 0; i < 8; i++) { 64451cb78d73SVikas Chaudhary fw_ddb_entry->isid[1] = (base_value | (i << 5)); 64461cb78d73SVikas Chaudhary if (qla4xxx_check_existing_isid(list_nt, fw_ddb_entry->isid)) 64471cb78d73SVikas Chaudhary break; 64481cb78d73SVikas Chaudhary } 64491cb78d73SVikas Chaudhary 64501cb78d73SVikas Chaudhary if (!qla4xxx_check_existing_isid(list_nt, fw_ddb_entry->isid)) 64511cb78d73SVikas Chaudhary return QLA_ERROR; 64521cb78d73SVikas Chaudhary 64531cb78d73SVikas Chaudhary return QLA_SUCCESS; 64541cb78d73SVikas Chaudhary } 64551cb78d73SVikas Chaudhary 64561cb78d73SVikas Chaudhary /** 64571cb78d73SVikas Chaudhary * qla4xxx_should_update_isid - check if isid need to update 64581cb78d73SVikas Chaudhary * @ha: Pointer to host adapter structure. 64591cb78d73SVikas Chaudhary * @old_tddb: ddb tuple 64601cb78d73SVikas Chaudhary * @new_tddb: ddb tuple 64611cb78d73SVikas Chaudhary * 64621cb78d73SVikas Chaudhary * Return QLA_SUCCESS if different IP, different PORT, same iqn, 64631cb78d73SVikas Chaudhary * same isid 64641cb78d73SVikas Chaudhary **/ 64651cb78d73SVikas Chaudhary static int qla4xxx_should_update_isid(struct scsi_qla_host *ha, 64661cb78d73SVikas Chaudhary struct ql4_tuple_ddb *old_tddb, 64671cb78d73SVikas Chaudhary struct ql4_tuple_ddb *new_tddb) 64681cb78d73SVikas Chaudhary { 64691cb78d73SVikas Chaudhary if (strcmp(old_tddb->ip_addr, new_tddb->ip_addr) == 0) { 64701cb78d73SVikas Chaudhary /* Same ip */ 64711cb78d73SVikas Chaudhary if (old_tddb->port == new_tddb->port) 64721cb78d73SVikas Chaudhary return QLA_ERROR; 64731cb78d73SVikas Chaudhary } 64741cb78d73SVikas Chaudhary 64751cb78d73SVikas Chaudhary if (strcmp(old_tddb->iscsi_name, new_tddb->iscsi_name)) 64761cb78d73SVikas Chaudhary /* different iqn */ 64771cb78d73SVikas Chaudhary return QLA_ERROR; 64781cb78d73SVikas Chaudhary 64791cb78d73SVikas Chaudhary if (memcmp(&old_tddb->isid[0], &new_tddb->isid[0], 64801cb78d73SVikas Chaudhary sizeof(old_tddb->isid))) 64811cb78d73SVikas Chaudhary /* different isid */ 64821cb78d73SVikas Chaudhary return QLA_ERROR; 64831cb78d73SVikas Chaudhary 64841cb78d73SVikas Chaudhary return QLA_SUCCESS; 64851cb78d73SVikas Chaudhary } 64861cb78d73SVikas Chaudhary 64871cb78d73SVikas Chaudhary /** 64881cb78d73SVikas Chaudhary * qla4xxx_is_flash_ddb_exists - check if fw_ddb_entry already exists in list_nt 64891cb78d73SVikas Chaudhary * @ha: Pointer to host adapter structure. 64901cb78d73SVikas Chaudhary * @list_nt: list of nt target. 64911cb78d73SVikas Chaudhary * @fw_ddb_entry: firmware ddb entry. 64921cb78d73SVikas Chaudhary * 64931cb78d73SVikas Chaudhary * This routine check if fw_ddb_entry already exists in list_nt to avoid 64941cb78d73SVikas Chaudhary * duplicate ddb in list_nt. 64951cb78d73SVikas Chaudhary * Return QLA_SUCCESS if duplicate ddb exit in list_nl. 64961cb78d73SVikas Chaudhary * Note: This function also update isid of DDB if required. 64971cb78d73SVikas Chaudhary **/ 64981cb78d73SVikas Chaudhary 649913483730SMike Christie static int qla4xxx_is_flash_ddb_exists(struct scsi_qla_host *ha, 650013483730SMike Christie struct list_head *list_nt, 650113483730SMike Christie struct dev_db_entry *fw_ddb_entry) 650213483730SMike Christie { 650313483730SMike Christie struct qla_ddb_index *nt_ddb_idx, *nt_ddb_idx_tmp; 650413483730SMike Christie struct ql4_tuple_ddb *fw_tddb = NULL; 650513483730SMike Christie struct ql4_tuple_ddb *tmp_tddb = NULL; 65061cb78d73SVikas Chaudhary int rval, ret = QLA_ERROR; 650713483730SMike Christie 650813483730SMike Christie fw_tddb = vzalloc(sizeof(*fw_tddb)); 650913483730SMike Christie if (!fw_tddb) { 651013483730SMike Christie DEBUG2(ql4_printk(KERN_WARNING, ha, 651113483730SMike Christie "Memory Allocation failed.\n")); 651213483730SMike Christie ret = QLA_SUCCESS; 651313483730SMike Christie goto exit_check; 651413483730SMike Christie } 651513483730SMike Christie 651613483730SMike Christie tmp_tddb = vzalloc(sizeof(*tmp_tddb)); 651713483730SMike Christie if (!tmp_tddb) { 651813483730SMike Christie DEBUG2(ql4_printk(KERN_WARNING, ha, 651913483730SMike Christie "Memory Allocation failed.\n")); 652013483730SMike Christie ret = QLA_SUCCESS; 652113483730SMike Christie goto exit_check; 652213483730SMike Christie } 652313483730SMike Christie 65241cb78d73SVikas Chaudhary qla4xxx_convert_param_ddb(fw_ddb_entry, fw_tddb, NULL); 652513483730SMike Christie 652613483730SMike Christie list_for_each_entry_safe(nt_ddb_idx, nt_ddb_idx_tmp, list_nt, list) { 65271cb78d73SVikas Chaudhary qla4xxx_convert_param_ddb(&nt_ddb_idx->fw_ddb, tmp_tddb, 65281cb78d73SVikas Chaudhary nt_ddb_idx->flash_isid); 65291cb78d73SVikas Chaudhary ret = qla4xxx_compare_tuple_ddb(ha, fw_tddb, tmp_tddb, true); 65301cb78d73SVikas Chaudhary /* found duplicate ddb */ 65311cb78d73SVikas Chaudhary if (ret == QLA_SUCCESS) 65321cb78d73SVikas Chaudhary goto exit_check; 65331cb78d73SVikas Chaudhary } 65341cb78d73SVikas Chaudhary 65351cb78d73SVikas Chaudhary list_for_each_entry_safe(nt_ddb_idx, nt_ddb_idx_tmp, list_nt, list) { 65361cb78d73SVikas Chaudhary qla4xxx_convert_param_ddb(&nt_ddb_idx->fw_ddb, tmp_tddb, NULL); 65371cb78d73SVikas Chaudhary 65381cb78d73SVikas Chaudhary ret = qla4xxx_should_update_isid(ha, tmp_tddb, fw_tddb); 65391cb78d73SVikas Chaudhary if (ret == QLA_SUCCESS) { 65401cb78d73SVikas Chaudhary rval = qla4xxx_update_isid(ha, list_nt, fw_ddb_entry); 65411cb78d73SVikas Chaudhary if (rval == QLA_SUCCESS) 65421cb78d73SVikas Chaudhary ret = QLA_ERROR; 65431cb78d73SVikas Chaudhary else 65441cb78d73SVikas Chaudhary ret = QLA_SUCCESS; 65451cb78d73SVikas Chaudhary 654613483730SMike Christie goto exit_check; 654713483730SMike Christie } 654813483730SMike Christie } 654913483730SMike Christie 655013483730SMike Christie exit_check: 655113483730SMike Christie vfree(fw_tddb); 655213483730SMike Christie vfree(tmp_tddb); 655313483730SMike Christie return ret; 655413483730SMike Christie } 655513483730SMike Christie 65564a4bc2e9SLalit Chandivade static void qla4xxx_free_ddb_list(struct list_head *list_ddb) 655713483730SMike Christie { 65584a4bc2e9SLalit Chandivade struct qla_ddb_index *ddb_idx, *ddb_idx_tmp; 655913483730SMike Christie 65604a4bc2e9SLalit Chandivade list_for_each_entry_safe(ddb_idx, ddb_idx_tmp, list_ddb, list) { 65614a4bc2e9SLalit Chandivade list_del_init(&ddb_idx->list); 65624a4bc2e9SLalit Chandivade vfree(ddb_idx); 656313483730SMike Christie } 656413483730SMike Christie } 656513483730SMike Christie 656613483730SMike Christie static struct iscsi_endpoint *qla4xxx_get_ep_fwdb(struct scsi_qla_host *ha, 656713483730SMike Christie struct dev_db_entry *fw_ddb_entry) 656813483730SMike Christie { 656913483730SMike Christie struct iscsi_endpoint *ep; 657013483730SMike Christie struct sockaddr_in *addr; 657113483730SMike Christie struct sockaddr_in6 *addr6; 65723dd4849cSManish Rangankar struct sockaddr *t_addr; 65733dd4849cSManish Rangankar struct sockaddr_storage *dst_addr; 657413483730SMike Christie char *ip; 657513483730SMike Christie 657613483730SMike Christie /* TODO: need to destroy on unload iscsi_endpoint*/ 657713483730SMike Christie dst_addr = vmalloc(sizeof(*dst_addr)); 657813483730SMike Christie if (!dst_addr) 657913483730SMike Christie return NULL; 658013483730SMike Christie 658113483730SMike Christie if (fw_ddb_entry->options & DDB_OPT_IPV6_DEVICE) { 65823dd4849cSManish Rangankar t_addr = (struct sockaddr *)dst_addr; 65833dd4849cSManish Rangankar t_addr->sa_family = AF_INET6; 658413483730SMike Christie addr6 = (struct sockaddr_in6 *)dst_addr; 658513483730SMike Christie ip = (char *)&addr6->sin6_addr; 658613483730SMike Christie memcpy(ip, fw_ddb_entry->ip_addr, IPv6_ADDR_LEN); 658713483730SMike Christie addr6->sin6_port = htons(le16_to_cpu(fw_ddb_entry->port)); 658813483730SMike Christie 658913483730SMike Christie } else { 65903dd4849cSManish Rangankar t_addr = (struct sockaddr *)dst_addr; 65913dd4849cSManish Rangankar t_addr->sa_family = AF_INET; 659213483730SMike Christie addr = (struct sockaddr_in *)dst_addr; 659313483730SMike Christie ip = (char *)&addr->sin_addr; 659413483730SMike Christie memcpy(ip, fw_ddb_entry->ip_addr, IP_ADDR_LEN); 659513483730SMike Christie addr->sin_port = htons(le16_to_cpu(fw_ddb_entry->port)); 659613483730SMike Christie } 659713483730SMike Christie 65983dd4849cSManish Rangankar ep = qla4xxx_ep_connect(ha->host, (struct sockaddr *)dst_addr, 0); 659913483730SMike Christie vfree(dst_addr); 660013483730SMike Christie return ep; 660113483730SMike Christie } 660213483730SMike Christie 660313483730SMike Christie static int qla4xxx_verify_boot_idx(struct scsi_qla_host *ha, uint16_t idx) 660413483730SMike Christie { 660513483730SMike Christie if (ql4xdisablesysfsboot) 660613483730SMike Christie return QLA_SUCCESS; 660713483730SMike Christie if (idx == ha->pri_ddb_idx || idx == ha->sec_ddb_idx) 660813483730SMike Christie return QLA_ERROR; 660913483730SMike Christie return QLA_SUCCESS; 661013483730SMike Christie } 661113483730SMike Christie 661213483730SMike Christie static void qla4xxx_setup_flash_ddb_entry(struct scsi_qla_host *ha, 66131dc8ed5dSManish Rangankar struct ddb_entry *ddb_entry, 66141dc8ed5dSManish Rangankar uint16_t idx) 661513483730SMike Christie { 6616c28eaacaSNilesh Javali uint16_t def_timeout; 6617c28eaacaSNilesh Javali 661813483730SMike Christie ddb_entry->ddb_type = FLASH_DDB; 661913483730SMike Christie ddb_entry->fw_ddb_index = INVALID_ENTRY; 662013483730SMike Christie ddb_entry->fw_ddb_device_state = DDB_DS_NO_CONNECTION_ACTIVE; 662113483730SMike Christie ddb_entry->ha = ha; 662213483730SMike Christie ddb_entry->unblock_sess = qla4xxx_unblock_flash_ddb; 662313483730SMike Christie ddb_entry->ddb_change = qla4xxx_flash_ddb_change; 6624946ac571SAdheer Chandravanshi ddb_entry->chap_tbl_idx = INVALID_ENTRY; 662513483730SMike Christie 662613483730SMike Christie atomic_set(&ddb_entry->retry_relogin_timer, INVALID_ENTRY); 662713483730SMike Christie atomic_set(&ddb_entry->relogin_timer, 0); 662813483730SMike Christie atomic_set(&ddb_entry->relogin_retry_count, 0); 6629c28eaacaSNilesh Javali def_timeout = le16_to_cpu(ddb_entry->fw_ddb_entry.def_timeout); 663013483730SMike Christie ddb_entry->default_relogin_timeout = 6631c28eaacaSNilesh Javali (def_timeout > LOGIN_TOV) && (def_timeout < LOGIN_TOV * 10) ? 6632c28eaacaSNilesh Javali def_timeout : LOGIN_TOV; 663313483730SMike Christie ddb_entry->default_time2wait = 663413483730SMike Christie le16_to_cpu(ddb_entry->fw_ddb_entry.iscsi_def_time2wait); 66351dc8ed5dSManish Rangankar 66361dc8ed5dSManish Rangankar if (ql4xdisablesysfsboot && 66371dc8ed5dSManish Rangankar (idx == ha->pri_ddb_idx || idx == ha->sec_ddb_idx)) 66381dc8ed5dSManish Rangankar set_bit(DF_BOOT_TGT, &ddb_entry->flags); 663913483730SMike Christie } 664013483730SMike Christie 664113483730SMike Christie static void qla4xxx_wait_for_ip_configuration(struct scsi_qla_host *ha) 664213483730SMike Christie { 664313483730SMike Christie uint32_t idx = 0; 664413483730SMike Christie uint32_t ip_idx[IP_ADDR_COUNT] = {0, 1, 2, 3}; /* 4 IP interfaces */ 664513483730SMike Christie uint32_t sts[MBOX_REG_COUNT]; 664613483730SMike Christie uint32_t ip_state; 664713483730SMike Christie unsigned long wtime; 664813483730SMike Christie int ret; 664913483730SMike Christie 665013483730SMike Christie wtime = jiffies + (HZ * IP_CONFIG_TOV); 665113483730SMike Christie do { 665213483730SMike Christie for (idx = 0; idx < IP_ADDR_COUNT; idx++) { 665313483730SMike Christie if (ip_idx[idx] == -1) 665413483730SMike Christie continue; 665513483730SMike Christie 665613483730SMike Christie ret = qla4xxx_get_ip_state(ha, 0, ip_idx[idx], sts); 665713483730SMike Christie 665813483730SMike Christie if (ret == QLA_ERROR) { 665913483730SMike Christie ip_idx[idx] = -1; 666013483730SMike Christie continue; 666113483730SMike Christie } 666213483730SMike Christie 666313483730SMike Christie ip_state = (sts[1] & IP_STATE_MASK) >> IP_STATE_SHIFT; 666413483730SMike Christie 666513483730SMike Christie DEBUG2(ql4_printk(KERN_INFO, ha, 666613483730SMike Christie "Waiting for IP state for idx = %d, state = 0x%x\n", 666713483730SMike Christie ip_idx[idx], ip_state)); 666813483730SMike Christie if (ip_state == IP_ADDRSTATE_UNCONFIGURED || 666913483730SMike Christie ip_state == IP_ADDRSTATE_INVALID || 667013483730SMike Christie ip_state == IP_ADDRSTATE_PREFERRED || 667113483730SMike Christie ip_state == IP_ADDRSTATE_DEPRICATED || 667213483730SMike Christie ip_state == IP_ADDRSTATE_DISABLING) 667313483730SMike Christie ip_idx[idx] = -1; 667413483730SMike Christie } 667513483730SMike Christie 667613483730SMike Christie /* Break if all IP states checked */ 667713483730SMike Christie if ((ip_idx[0] == -1) && 667813483730SMike Christie (ip_idx[1] == -1) && 667913483730SMike Christie (ip_idx[2] == -1) && 668013483730SMike Christie (ip_idx[3] == -1)) 668113483730SMike Christie break; 668213483730SMike Christie schedule_timeout_uninterruptible(HZ); 668313483730SMike Christie } while (time_after(wtime, jiffies)); 668413483730SMike Christie } 668513483730SMike Christie 6686ad8bd45eSManish Rangankar static int qla4xxx_cmp_fw_stentry(struct dev_db_entry *fw_ddb_entry, 6687ad8bd45eSManish Rangankar struct dev_db_entry *flash_ddb_entry) 6688ad8bd45eSManish Rangankar { 6689ad8bd45eSManish Rangankar uint16_t options = 0; 6690ad8bd45eSManish Rangankar size_t ip_len = IP_ADDR_LEN; 6691ad8bd45eSManish Rangankar 6692ad8bd45eSManish Rangankar options = le16_to_cpu(fw_ddb_entry->options); 6693ad8bd45eSManish Rangankar if (options & DDB_OPT_IPV6_DEVICE) 6694ad8bd45eSManish Rangankar ip_len = IPv6_ADDR_LEN; 6695ad8bd45eSManish Rangankar 6696ad8bd45eSManish Rangankar if (memcmp(fw_ddb_entry->ip_addr, flash_ddb_entry->ip_addr, ip_len)) 6697ad8bd45eSManish Rangankar return QLA_ERROR; 6698ad8bd45eSManish Rangankar 6699ad8bd45eSManish Rangankar if (memcmp(&fw_ddb_entry->isid[0], &flash_ddb_entry->isid[0], 6700ad8bd45eSManish Rangankar sizeof(fw_ddb_entry->isid))) 6701ad8bd45eSManish Rangankar return QLA_ERROR; 6702ad8bd45eSManish Rangankar 6703ad8bd45eSManish Rangankar if (memcmp(&fw_ddb_entry->port, &flash_ddb_entry->port, 6704ad8bd45eSManish Rangankar sizeof(fw_ddb_entry->port))) 6705ad8bd45eSManish Rangankar return QLA_ERROR; 6706ad8bd45eSManish Rangankar 6707ad8bd45eSManish Rangankar return QLA_SUCCESS; 6708ad8bd45eSManish Rangankar } 6709ad8bd45eSManish Rangankar 6710ad8bd45eSManish Rangankar static int qla4xxx_find_flash_st_idx(struct scsi_qla_host *ha, 6711ad8bd45eSManish Rangankar struct dev_db_entry *fw_ddb_entry, 6712ad8bd45eSManish Rangankar uint32_t fw_idx, uint32_t *flash_index) 6713ad8bd45eSManish Rangankar { 6714ad8bd45eSManish Rangankar struct dev_db_entry *flash_ddb_entry; 6715ad8bd45eSManish Rangankar dma_addr_t flash_ddb_entry_dma; 6716ad8bd45eSManish Rangankar uint32_t idx = 0; 6717ad8bd45eSManish Rangankar int max_ddbs; 6718ad8bd45eSManish Rangankar int ret = QLA_ERROR, status; 6719ad8bd45eSManish Rangankar 6720ad8bd45eSManish Rangankar max_ddbs = is_qla40XX(ha) ? MAX_DEV_DB_ENTRIES_40XX : 6721ad8bd45eSManish Rangankar MAX_DEV_DB_ENTRIES; 6722ad8bd45eSManish Rangankar 6723ad8bd45eSManish Rangankar flash_ddb_entry = dma_pool_alloc(ha->fw_ddb_dma_pool, GFP_KERNEL, 6724ad8bd45eSManish Rangankar &flash_ddb_entry_dma); 6725ad8bd45eSManish Rangankar if (flash_ddb_entry == NULL || fw_ddb_entry == NULL) { 6726ad8bd45eSManish Rangankar ql4_printk(KERN_ERR, ha, "Out of memory\n"); 6727ad8bd45eSManish Rangankar goto exit_find_st_idx; 6728ad8bd45eSManish Rangankar } 6729ad8bd45eSManish Rangankar 6730ad8bd45eSManish Rangankar status = qla4xxx_flashdb_by_index(ha, flash_ddb_entry, 6731ad8bd45eSManish Rangankar flash_ddb_entry_dma, fw_idx); 6732ad8bd45eSManish Rangankar if (status == QLA_SUCCESS) { 6733ad8bd45eSManish Rangankar status = qla4xxx_cmp_fw_stentry(fw_ddb_entry, flash_ddb_entry); 6734ad8bd45eSManish Rangankar if (status == QLA_SUCCESS) { 6735ad8bd45eSManish Rangankar *flash_index = fw_idx; 6736ad8bd45eSManish Rangankar ret = QLA_SUCCESS; 6737ad8bd45eSManish Rangankar goto exit_find_st_idx; 6738ad8bd45eSManish Rangankar } 6739ad8bd45eSManish Rangankar } 6740ad8bd45eSManish Rangankar 6741ad8bd45eSManish Rangankar for (idx = 0; idx < max_ddbs; idx++) { 6742ad8bd45eSManish Rangankar status = qla4xxx_flashdb_by_index(ha, flash_ddb_entry, 6743ad8bd45eSManish Rangankar flash_ddb_entry_dma, idx); 6744ad8bd45eSManish Rangankar if (status == QLA_ERROR) 6745ad8bd45eSManish Rangankar continue; 6746ad8bd45eSManish Rangankar 6747ad8bd45eSManish Rangankar status = qla4xxx_cmp_fw_stentry(fw_ddb_entry, flash_ddb_entry); 6748ad8bd45eSManish Rangankar if (status == QLA_SUCCESS) { 6749ad8bd45eSManish Rangankar *flash_index = idx; 6750ad8bd45eSManish Rangankar ret = QLA_SUCCESS; 6751ad8bd45eSManish Rangankar goto exit_find_st_idx; 6752ad8bd45eSManish Rangankar } 6753ad8bd45eSManish Rangankar } 6754ad8bd45eSManish Rangankar 6755ad8bd45eSManish Rangankar if (idx == max_ddbs) 6756ad8bd45eSManish Rangankar ql4_printk(KERN_ERR, ha, "Failed to find ST [%d] in flash\n", 6757ad8bd45eSManish Rangankar fw_idx); 6758ad8bd45eSManish Rangankar 6759ad8bd45eSManish Rangankar exit_find_st_idx: 6760ad8bd45eSManish Rangankar if (flash_ddb_entry) 6761ad8bd45eSManish Rangankar dma_pool_free(ha->fw_ddb_dma_pool, flash_ddb_entry, 6762ad8bd45eSManish Rangankar flash_ddb_entry_dma); 6763ad8bd45eSManish Rangankar 6764ad8bd45eSManish Rangankar return ret; 6765ad8bd45eSManish Rangankar } 6766ad8bd45eSManish Rangankar 67674a4bc2e9SLalit Chandivade static void qla4xxx_build_st_list(struct scsi_qla_host *ha, 67684a4bc2e9SLalit Chandivade struct list_head *list_st) 676913483730SMike Christie { 67704a4bc2e9SLalit Chandivade struct qla_ddb_index *st_ddb_idx; 677113483730SMike Christie int max_ddbs; 67724a4bc2e9SLalit Chandivade int fw_idx_size; 67734a4bc2e9SLalit Chandivade struct dev_db_entry *fw_ddb_entry; 67744a4bc2e9SLalit Chandivade dma_addr_t fw_ddb_dma; 677513483730SMike Christie int ret; 677613483730SMike Christie uint32_t idx = 0, next_idx = 0; 677713483730SMike Christie uint32_t state = 0, conn_err = 0; 6778ad8bd45eSManish Rangankar uint32_t flash_index = -1; 67794a4bc2e9SLalit Chandivade uint16_t conn_id = 0; 678013483730SMike Christie 678113483730SMike Christie fw_ddb_entry = dma_pool_alloc(ha->fw_ddb_dma_pool, GFP_KERNEL, 678213483730SMike Christie &fw_ddb_dma); 678313483730SMike Christie if (fw_ddb_entry == NULL) { 678413483730SMike Christie DEBUG2(ql4_printk(KERN_ERR, ha, "Out of memory\n")); 67854a4bc2e9SLalit Chandivade goto exit_st_list; 678613483730SMike Christie } 678713483730SMike Christie 67884a4bc2e9SLalit Chandivade max_ddbs = is_qla40XX(ha) ? MAX_DEV_DB_ENTRIES_40XX : 67894a4bc2e9SLalit Chandivade MAX_DEV_DB_ENTRIES; 679013483730SMike Christie fw_idx_size = sizeof(struct qla_ddb_index); 679113483730SMike Christie 679213483730SMike Christie for (idx = 0; idx < max_ddbs; idx = next_idx) { 67934a4bc2e9SLalit Chandivade ret = qla4xxx_get_fwddb_entry(ha, idx, fw_ddb_entry, fw_ddb_dma, 67944a4bc2e9SLalit Chandivade NULL, &next_idx, &state, 67954a4bc2e9SLalit Chandivade &conn_err, NULL, &conn_id); 679613483730SMike Christie if (ret == QLA_ERROR) 679713483730SMike Christie break; 679813483730SMike Christie 6799981c982cSLalit Chandivade /* Ignore DDB if invalid state (unassigned) */ 6800981c982cSLalit Chandivade if (state == DDB_DS_UNASSIGNED) 6801981c982cSLalit Chandivade goto continue_next_st; 6802981c982cSLalit Chandivade 680313483730SMike Christie /* Check if ST, add to the list_st */ 680413483730SMike Christie if (strlen((char *) fw_ddb_entry->iscsi_name) != 0) 680513483730SMike Christie goto continue_next_st; 680613483730SMike Christie 680713483730SMike Christie st_ddb_idx = vzalloc(fw_idx_size); 680813483730SMike Christie if (!st_ddb_idx) 680913483730SMike Christie break; 681013483730SMike Christie 6811ad8bd45eSManish Rangankar ret = qla4xxx_find_flash_st_idx(ha, fw_ddb_entry, idx, 6812ad8bd45eSManish Rangankar &flash_index); 6813ad8bd45eSManish Rangankar if (ret == QLA_ERROR) { 6814ad8bd45eSManish Rangankar ql4_printk(KERN_ERR, ha, 6815ad8bd45eSManish Rangankar "No flash entry for ST at idx [%d]\n", idx); 6816ad8bd45eSManish Rangankar st_ddb_idx->flash_ddb_idx = idx; 6817ad8bd45eSManish Rangankar } else { 6818ad8bd45eSManish Rangankar ql4_printk(KERN_INFO, ha, 6819ad8bd45eSManish Rangankar "ST at idx [%d] is stored at flash [%d]\n", 6820ad8bd45eSManish Rangankar idx, flash_index); 6821ad8bd45eSManish Rangankar st_ddb_idx->flash_ddb_idx = flash_index; 6822ad8bd45eSManish Rangankar } 6823ad8bd45eSManish Rangankar 682413483730SMike Christie st_ddb_idx->fw_ddb_idx = idx; 682513483730SMike Christie 68264a4bc2e9SLalit Chandivade list_add_tail(&st_ddb_idx->list, list_st); 682713483730SMike Christie continue_next_st: 682813483730SMike Christie if (next_idx == 0) 682913483730SMike Christie break; 683013483730SMike Christie } 683113483730SMike Christie 68324a4bc2e9SLalit Chandivade exit_st_list: 68334a4bc2e9SLalit Chandivade if (fw_ddb_entry) 68344a4bc2e9SLalit Chandivade dma_pool_free(ha->fw_ddb_dma_pool, fw_ddb_entry, fw_ddb_dma); 68354a4bc2e9SLalit Chandivade } 68364a4bc2e9SLalit Chandivade 68374a4bc2e9SLalit Chandivade /** 68384a4bc2e9SLalit Chandivade * qla4xxx_remove_failed_ddb - Remove inactive or failed ddb from list 68394a4bc2e9SLalit Chandivade * @ha: pointer to adapter structure 68404a4bc2e9SLalit Chandivade * @list_ddb: List from which failed ddb to be removed 68414a4bc2e9SLalit Chandivade * 68424a4bc2e9SLalit Chandivade * Iterate over the list of DDBs and find and remove DDBs that are either in 68434a4bc2e9SLalit Chandivade * no connection active state or failed state 68444a4bc2e9SLalit Chandivade **/ 68454a4bc2e9SLalit Chandivade static void qla4xxx_remove_failed_ddb(struct scsi_qla_host *ha, 68464a4bc2e9SLalit Chandivade struct list_head *list_ddb) 68474a4bc2e9SLalit Chandivade { 68484a4bc2e9SLalit Chandivade struct qla_ddb_index *ddb_idx, *ddb_idx_tmp; 68494a4bc2e9SLalit Chandivade uint32_t next_idx = 0; 68504a4bc2e9SLalit Chandivade uint32_t state = 0, conn_err = 0; 68514a4bc2e9SLalit Chandivade int ret; 68524a4bc2e9SLalit Chandivade 68534a4bc2e9SLalit Chandivade list_for_each_entry_safe(ddb_idx, ddb_idx_tmp, list_ddb, list) { 68544a4bc2e9SLalit Chandivade ret = qla4xxx_get_fwddb_entry(ha, ddb_idx->fw_ddb_idx, 68554a4bc2e9SLalit Chandivade NULL, 0, NULL, &next_idx, &state, 68564a4bc2e9SLalit Chandivade &conn_err, NULL, NULL); 68574a4bc2e9SLalit Chandivade if (ret == QLA_ERROR) 68584a4bc2e9SLalit Chandivade continue; 68594a4bc2e9SLalit Chandivade 68604a4bc2e9SLalit Chandivade if (state == DDB_DS_NO_CONNECTION_ACTIVE || 68614a4bc2e9SLalit Chandivade state == DDB_DS_SESSION_FAILED) { 68624a4bc2e9SLalit Chandivade list_del_init(&ddb_idx->list); 68634a4bc2e9SLalit Chandivade vfree(ddb_idx); 68644a4bc2e9SLalit Chandivade } 68654a4bc2e9SLalit Chandivade } 68664a4bc2e9SLalit Chandivade } 68674a4bc2e9SLalit Chandivade 6868ad8bd45eSManish Rangankar static void qla4xxx_update_sess_disc_idx(struct scsi_qla_host *ha, 6869ad8bd45eSManish Rangankar struct ddb_entry *ddb_entry, 6870ad8bd45eSManish Rangankar struct dev_db_entry *fw_ddb_entry) 6871ad8bd45eSManish Rangankar { 6872ad8bd45eSManish Rangankar struct iscsi_cls_session *cls_sess; 6873ad8bd45eSManish Rangankar struct iscsi_session *sess; 6874ad8bd45eSManish Rangankar uint32_t max_ddbs = 0; 6875ad8bd45eSManish Rangankar uint16_t ddb_link = -1; 6876ad8bd45eSManish Rangankar 6877ad8bd45eSManish Rangankar max_ddbs = is_qla40XX(ha) ? MAX_DEV_DB_ENTRIES_40XX : 6878ad8bd45eSManish Rangankar MAX_DEV_DB_ENTRIES; 6879ad8bd45eSManish Rangankar 6880ad8bd45eSManish Rangankar cls_sess = ddb_entry->sess; 6881ad8bd45eSManish Rangankar sess = cls_sess->dd_data; 6882ad8bd45eSManish Rangankar 6883ad8bd45eSManish Rangankar ddb_link = le16_to_cpu(fw_ddb_entry->ddb_link); 6884ad8bd45eSManish Rangankar if (ddb_link < max_ddbs) 6885ad8bd45eSManish Rangankar sess->discovery_parent_idx = ddb_link; 6886ad8bd45eSManish Rangankar else 6887ad8bd45eSManish Rangankar sess->discovery_parent_idx = DDB_NO_LINK; 6888ad8bd45eSManish Rangankar } 6889ad8bd45eSManish Rangankar 68904a4bc2e9SLalit Chandivade static int qla4xxx_sess_conn_setup(struct scsi_qla_host *ha, 68914a4bc2e9SLalit Chandivade struct dev_db_entry *fw_ddb_entry, 68921dc8ed5dSManish Rangankar int is_reset, uint16_t idx) 68934a4bc2e9SLalit Chandivade { 68944a4bc2e9SLalit Chandivade struct iscsi_cls_session *cls_sess; 68954a4bc2e9SLalit Chandivade struct iscsi_session *sess; 68964a4bc2e9SLalit Chandivade struct iscsi_cls_conn *cls_conn; 68974a4bc2e9SLalit Chandivade struct iscsi_endpoint *ep; 68984a4bc2e9SLalit Chandivade uint16_t cmds_max = 32; 68994a4bc2e9SLalit Chandivade uint16_t conn_id = 0; 69004a4bc2e9SLalit Chandivade uint32_t initial_cmdsn = 0; 69014a4bc2e9SLalit Chandivade int ret = QLA_SUCCESS; 69024a4bc2e9SLalit Chandivade 69034a4bc2e9SLalit Chandivade struct ddb_entry *ddb_entry = NULL; 69044a4bc2e9SLalit Chandivade 69054a4bc2e9SLalit Chandivade /* Create session object, with INVALID_ENTRY, 69064a4bc2e9SLalit Chandivade * the targer_id would get set when we issue the login 69074a4bc2e9SLalit Chandivade */ 69084a4bc2e9SLalit Chandivade cls_sess = iscsi_session_setup(&qla4xxx_iscsi_transport, ha->host, 69094a4bc2e9SLalit Chandivade cmds_max, sizeof(struct ddb_entry), 69104a4bc2e9SLalit Chandivade sizeof(struct ql4_task_data), 69114a4bc2e9SLalit Chandivade initial_cmdsn, INVALID_ENTRY); 69124a4bc2e9SLalit Chandivade if (!cls_sess) { 69134a4bc2e9SLalit Chandivade ret = QLA_ERROR; 69144a4bc2e9SLalit Chandivade goto exit_setup; 69154a4bc2e9SLalit Chandivade } 69164a4bc2e9SLalit Chandivade 69174a4bc2e9SLalit Chandivade /* 69184a4bc2e9SLalit Chandivade * so calling module_put function to decrement the 69194a4bc2e9SLalit Chandivade * reference count. 69204a4bc2e9SLalit Chandivade **/ 69214a4bc2e9SLalit Chandivade module_put(qla4xxx_iscsi_transport.owner); 69224a4bc2e9SLalit Chandivade sess = cls_sess->dd_data; 69234a4bc2e9SLalit Chandivade ddb_entry = sess->dd_data; 69244a4bc2e9SLalit Chandivade ddb_entry->sess = cls_sess; 69254a4bc2e9SLalit Chandivade 69264a4bc2e9SLalit Chandivade cls_sess->recovery_tmo = ql4xsess_recovery_tmo; 69274a4bc2e9SLalit Chandivade memcpy(&ddb_entry->fw_ddb_entry, fw_ddb_entry, 69284a4bc2e9SLalit Chandivade sizeof(struct dev_db_entry)); 69294a4bc2e9SLalit Chandivade 69301dc8ed5dSManish Rangankar qla4xxx_setup_flash_ddb_entry(ha, ddb_entry, idx); 69314a4bc2e9SLalit Chandivade 69324a4bc2e9SLalit Chandivade cls_conn = iscsi_conn_setup(cls_sess, sizeof(struct qla_conn), conn_id); 69334a4bc2e9SLalit Chandivade 69344a4bc2e9SLalit Chandivade if (!cls_conn) { 69354a4bc2e9SLalit Chandivade ret = QLA_ERROR; 69364a4bc2e9SLalit Chandivade goto exit_setup; 69374a4bc2e9SLalit Chandivade } 69384a4bc2e9SLalit Chandivade 69394a4bc2e9SLalit Chandivade ddb_entry->conn = cls_conn; 69404a4bc2e9SLalit Chandivade 69414a4bc2e9SLalit Chandivade /* Setup ep, for displaying attributes in sysfs */ 69424a4bc2e9SLalit Chandivade ep = qla4xxx_get_ep_fwdb(ha, fw_ddb_entry); 69434a4bc2e9SLalit Chandivade if (ep) { 69444a4bc2e9SLalit Chandivade ep->conn = cls_conn; 69454a4bc2e9SLalit Chandivade cls_conn->ep = ep; 69464a4bc2e9SLalit Chandivade } else { 69474a4bc2e9SLalit Chandivade DEBUG2(ql4_printk(KERN_ERR, ha, "Unable to get ep\n")); 69484a4bc2e9SLalit Chandivade ret = QLA_ERROR; 69494a4bc2e9SLalit Chandivade goto exit_setup; 69504a4bc2e9SLalit Chandivade } 69514a4bc2e9SLalit Chandivade 69524a4bc2e9SLalit Chandivade /* Update sess/conn params */ 69534a4bc2e9SLalit Chandivade qla4xxx_copy_fwddb_param(ha, fw_ddb_entry, cls_sess, cls_conn); 6954ad8bd45eSManish Rangankar qla4xxx_update_sess_disc_idx(ha, ddb_entry, fw_ddb_entry); 69554a4bc2e9SLalit Chandivade 69564a4bc2e9SLalit Chandivade if (is_reset == RESET_ADAPTER) { 69574a4bc2e9SLalit Chandivade iscsi_block_session(cls_sess); 69584a4bc2e9SLalit Chandivade /* Use the relogin path to discover new devices 6959014ace23SBhaskar Chowdhury * by short-circuiting the logic of setting 69604a4bc2e9SLalit Chandivade * timer to relogin - instead set the flags 69614a4bc2e9SLalit Chandivade * to initiate login right away. 69624a4bc2e9SLalit Chandivade */ 69634a4bc2e9SLalit Chandivade set_bit(DPC_RELOGIN_DEVICE, &ha->dpc_flags); 69644a4bc2e9SLalit Chandivade set_bit(DF_RELOGIN, &ddb_entry->flags); 69654a4bc2e9SLalit Chandivade } 69664a4bc2e9SLalit Chandivade 69674a4bc2e9SLalit Chandivade exit_setup: 69684a4bc2e9SLalit Chandivade return ret; 69694a4bc2e9SLalit Chandivade } 69704a4bc2e9SLalit Chandivade 6971ad8bd45eSManish Rangankar static void qla4xxx_update_fw_ddb_link(struct scsi_qla_host *ha, 6972ad8bd45eSManish Rangankar struct list_head *list_ddb, 6973ad8bd45eSManish Rangankar struct dev_db_entry *fw_ddb_entry) 6974ad8bd45eSManish Rangankar { 6975ad8bd45eSManish Rangankar struct qla_ddb_index *ddb_idx, *ddb_idx_tmp; 6976ad8bd45eSManish Rangankar uint16_t ddb_link; 6977ad8bd45eSManish Rangankar 6978ad8bd45eSManish Rangankar ddb_link = le16_to_cpu(fw_ddb_entry->ddb_link); 6979ad8bd45eSManish Rangankar 6980ad8bd45eSManish Rangankar list_for_each_entry_safe(ddb_idx, ddb_idx_tmp, list_ddb, list) { 6981ad8bd45eSManish Rangankar if (ddb_idx->fw_ddb_idx == ddb_link) { 6982ad8bd45eSManish Rangankar DEBUG2(ql4_printk(KERN_INFO, ha, 6983ad8bd45eSManish Rangankar "Updating NT parent idx from [%d] to [%d]\n", 6984ad8bd45eSManish Rangankar ddb_link, ddb_idx->flash_ddb_idx)); 6985ad8bd45eSManish Rangankar fw_ddb_entry->ddb_link = 6986ad8bd45eSManish Rangankar cpu_to_le16(ddb_idx->flash_ddb_idx); 6987ad8bd45eSManish Rangankar return; 6988ad8bd45eSManish Rangankar } 6989ad8bd45eSManish Rangankar } 6990ad8bd45eSManish Rangankar } 6991ad8bd45eSManish Rangankar 69924a4bc2e9SLalit Chandivade static void qla4xxx_build_nt_list(struct scsi_qla_host *ha, 6993ad8bd45eSManish Rangankar struct list_head *list_nt, 6994ad8bd45eSManish Rangankar struct list_head *list_st, 6995ad8bd45eSManish Rangankar int is_reset) 69964a4bc2e9SLalit Chandivade { 69974a4bc2e9SLalit Chandivade struct dev_db_entry *fw_ddb_entry; 6998ad8bd45eSManish Rangankar struct ddb_entry *ddb_entry = NULL; 69994a4bc2e9SLalit Chandivade dma_addr_t fw_ddb_dma; 70004a4bc2e9SLalit Chandivade int max_ddbs; 70014a4bc2e9SLalit Chandivade int fw_idx_size; 70024a4bc2e9SLalit Chandivade int ret; 70034a4bc2e9SLalit Chandivade uint32_t idx = 0, next_idx = 0; 70044a4bc2e9SLalit Chandivade uint32_t state = 0, conn_err = 0; 7005ad8bd45eSManish Rangankar uint32_t ddb_idx = -1; 70064a4bc2e9SLalit Chandivade uint16_t conn_id = 0; 7007ad8bd45eSManish Rangankar uint16_t ddb_link = -1; 70084a4bc2e9SLalit Chandivade struct qla_ddb_index *nt_ddb_idx; 70094a4bc2e9SLalit Chandivade 70104a4bc2e9SLalit Chandivade fw_ddb_entry = dma_pool_alloc(ha->fw_ddb_dma_pool, GFP_KERNEL, 70114a4bc2e9SLalit Chandivade &fw_ddb_dma); 70124a4bc2e9SLalit Chandivade if (fw_ddb_entry == NULL) { 70134a4bc2e9SLalit Chandivade DEBUG2(ql4_printk(KERN_ERR, ha, "Out of memory\n")); 70144a4bc2e9SLalit Chandivade goto exit_nt_list; 70154a4bc2e9SLalit Chandivade } 70164a4bc2e9SLalit Chandivade max_ddbs = is_qla40XX(ha) ? MAX_DEV_DB_ENTRIES_40XX : 70174a4bc2e9SLalit Chandivade MAX_DEV_DB_ENTRIES; 70184a4bc2e9SLalit Chandivade fw_idx_size = sizeof(struct qla_ddb_index); 70194a4bc2e9SLalit Chandivade 70204a4bc2e9SLalit Chandivade for (idx = 0; idx < max_ddbs; idx = next_idx) { 70214a4bc2e9SLalit Chandivade ret = qla4xxx_get_fwddb_entry(ha, idx, fw_ddb_entry, fw_ddb_dma, 70224a4bc2e9SLalit Chandivade NULL, &next_idx, &state, 70234a4bc2e9SLalit Chandivade &conn_err, NULL, &conn_id); 70244a4bc2e9SLalit Chandivade if (ret == QLA_ERROR) 70254a4bc2e9SLalit Chandivade break; 70264a4bc2e9SLalit Chandivade 70274a4bc2e9SLalit Chandivade if (qla4xxx_verify_boot_idx(ha, idx) != QLA_SUCCESS) 70284a4bc2e9SLalit Chandivade goto continue_next_nt; 70294a4bc2e9SLalit Chandivade 70304a4bc2e9SLalit Chandivade /* Check if NT, then add to list it */ 70314a4bc2e9SLalit Chandivade if (strlen((char *) fw_ddb_entry->iscsi_name) == 0) 70324a4bc2e9SLalit Chandivade goto continue_next_nt; 70334a4bc2e9SLalit Chandivade 7034ad8bd45eSManish Rangankar ddb_link = le16_to_cpu(fw_ddb_entry->ddb_link); 7035ad8bd45eSManish Rangankar if (ddb_link < max_ddbs) 7036ad8bd45eSManish Rangankar qla4xxx_update_fw_ddb_link(ha, list_st, fw_ddb_entry); 7037ad8bd45eSManish Rangankar 70384a4bc2e9SLalit Chandivade if (!(state == DDB_DS_NO_CONNECTION_ACTIVE || 7039ad8bd45eSManish Rangankar state == DDB_DS_SESSION_FAILED) && 7040ad8bd45eSManish Rangankar (is_reset == INIT_ADAPTER)) 70414a4bc2e9SLalit Chandivade goto continue_next_nt; 70424a4bc2e9SLalit Chandivade 70434a4bc2e9SLalit Chandivade DEBUG2(ql4_printk(KERN_INFO, ha, 70444a4bc2e9SLalit Chandivade "Adding DDB to session = 0x%x\n", idx)); 7045ad8bd45eSManish Rangankar 70464a4bc2e9SLalit Chandivade if (is_reset == INIT_ADAPTER) { 70474a4bc2e9SLalit Chandivade nt_ddb_idx = vmalloc(fw_idx_size); 70484a4bc2e9SLalit Chandivade if (!nt_ddb_idx) 70494a4bc2e9SLalit Chandivade break; 70504a4bc2e9SLalit Chandivade 70514a4bc2e9SLalit Chandivade nt_ddb_idx->fw_ddb_idx = idx; 70524a4bc2e9SLalit Chandivade 70531cb78d73SVikas Chaudhary /* Copy original isid as it may get updated in function 70541cb78d73SVikas Chaudhary * qla4xxx_update_isid(). We need original isid in 70551cb78d73SVikas Chaudhary * function qla4xxx_compare_tuple_ddb to find duplicate 70561cb78d73SVikas Chaudhary * target */ 70571cb78d73SVikas Chaudhary memcpy(&nt_ddb_idx->flash_isid[0], 70581cb78d73SVikas Chaudhary &fw_ddb_entry->isid[0], 70591cb78d73SVikas Chaudhary sizeof(nt_ddb_idx->flash_isid)); 70604a4bc2e9SLalit Chandivade 70611cb78d73SVikas Chaudhary ret = qla4xxx_is_flash_ddb_exists(ha, list_nt, 70621cb78d73SVikas Chaudhary fw_ddb_entry); 70631cb78d73SVikas Chaudhary if (ret == QLA_SUCCESS) { 70641cb78d73SVikas Chaudhary /* free nt_ddb_idx and do not add to list_nt */ 70654a4bc2e9SLalit Chandivade vfree(nt_ddb_idx); 70664a4bc2e9SLalit Chandivade goto continue_next_nt; 70674a4bc2e9SLalit Chandivade } 70681cb78d73SVikas Chaudhary 70691cb78d73SVikas Chaudhary /* Copy updated isid */ 70701cb78d73SVikas Chaudhary memcpy(&nt_ddb_idx->fw_ddb, fw_ddb_entry, 70711cb78d73SVikas Chaudhary sizeof(struct dev_db_entry)); 70721cb78d73SVikas Chaudhary 70734a4bc2e9SLalit Chandivade list_add_tail(&nt_ddb_idx->list, list_nt); 70744a4bc2e9SLalit Chandivade } else if (is_reset == RESET_ADAPTER) { 7075ad8bd45eSManish Rangankar ret = qla4xxx_is_session_exists(ha, fw_ddb_entry, 7076ad8bd45eSManish Rangankar &ddb_idx); 7077ad8bd45eSManish Rangankar if (ret == QLA_SUCCESS) { 7078ad8bd45eSManish Rangankar ddb_entry = qla4xxx_lookup_ddb_by_fw_index(ha, 7079ad8bd45eSManish Rangankar ddb_idx); 7080ad8bd45eSManish Rangankar if (ddb_entry != NULL) 7081ad8bd45eSManish Rangankar qla4xxx_update_sess_disc_idx(ha, 7082ad8bd45eSManish Rangankar ddb_entry, 7083ad8bd45eSManish Rangankar fw_ddb_entry); 70844a4bc2e9SLalit Chandivade goto continue_next_nt; 70854a4bc2e9SLalit Chandivade } 7086ad8bd45eSManish Rangankar } 70874a4bc2e9SLalit Chandivade 70881dc8ed5dSManish Rangankar ret = qla4xxx_sess_conn_setup(ha, fw_ddb_entry, is_reset, idx); 70894a4bc2e9SLalit Chandivade if (ret == QLA_ERROR) 70904a4bc2e9SLalit Chandivade goto exit_nt_list; 70914a4bc2e9SLalit Chandivade 70924a4bc2e9SLalit Chandivade continue_next_nt: 70934a4bc2e9SLalit Chandivade if (next_idx == 0) 70944a4bc2e9SLalit Chandivade break; 70954a4bc2e9SLalit Chandivade } 70964a4bc2e9SLalit Chandivade 70974a4bc2e9SLalit Chandivade exit_nt_list: 70984a4bc2e9SLalit Chandivade if (fw_ddb_entry) 70994a4bc2e9SLalit Chandivade dma_pool_free(ha->fw_ddb_dma_pool, fw_ddb_entry, fw_ddb_dma); 71004a4bc2e9SLalit Chandivade } 71014a4bc2e9SLalit Chandivade 71021e9e2be3SAdheer Chandravanshi static void qla4xxx_build_new_nt_list(struct scsi_qla_host *ha, 7103ad8bd45eSManish Rangankar struct list_head *list_nt, 7104ad8bd45eSManish Rangankar uint16_t target_id) 71051e9e2be3SAdheer Chandravanshi { 71061e9e2be3SAdheer Chandravanshi struct dev_db_entry *fw_ddb_entry; 71071e9e2be3SAdheer Chandravanshi dma_addr_t fw_ddb_dma; 71081e9e2be3SAdheer Chandravanshi int max_ddbs; 71091e9e2be3SAdheer Chandravanshi int fw_idx_size; 71101e9e2be3SAdheer Chandravanshi int ret; 71111e9e2be3SAdheer Chandravanshi uint32_t idx = 0, next_idx = 0; 71121e9e2be3SAdheer Chandravanshi uint32_t state = 0, conn_err = 0; 71131e9e2be3SAdheer Chandravanshi uint16_t conn_id = 0; 71141e9e2be3SAdheer Chandravanshi struct qla_ddb_index *nt_ddb_idx; 71151e9e2be3SAdheer Chandravanshi 71161e9e2be3SAdheer Chandravanshi fw_ddb_entry = dma_pool_alloc(ha->fw_ddb_dma_pool, GFP_KERNEL, 71171e9e2be3SAdheer Chandravanshi &fw_ddb_dma); 71181e9e2be3SAdheer Chandravanshi if (fw_ddb_entry == NULL) { 71191e9e2be3SAdheer Chandravanshi DEBUG2(ql4_printk(KERN_ERR, ha, "Out of memory\n")); 71201e9e2be3SAdheer Chandravanshi goto exit_new_nt_list; 71211e9e2be3SAdheer Chandravanshi } 71221e9e2be3SAdheer Chandravanshi max_ddbs = is_qla40XX(ha) ? MAX_DEV_DB_ENTRIES_40XX : 71231e9e2be3SAdheer Chandravanshi MAX_DEV_DB_ENTRIES; 71241e9e2be3SAdheer Chandravanshi fw_idx_size = sizeof(struct qla_ddb_index); 71251e9e2be3SAdheer Chandravanshi 71261e9e2be3SAdheer Chandravanshi for (idx = 0; idx < max_ddbs; idx = next_idx) { 71271e9e2be3SAdheer Chandravanshi ret = qla4xxx_get_fwddb_entry(ha, idx, fw_ddb_entry, fw_ddb_dma, 71281e9e2be3SAdheer Chandravanshi NULL, &next_idx, &state, 71291e9e2be3SAdheer Chandravanshi &conn_err, NULL, &conn_id); 71301e9e2be3SAdheer Chandravanshi if (ret == QLA_ERROR) 71311e9e2be3SAdheer Chandravanshi break; 71321e9e2be3SAdheer Chandravanshi 71331e9e2be3SAdheer Chandravanshi /* Check if NT, then add it to list */ 71341e9e2be3SAdheer Chandravanshi if (strlen((char *)fw_ddb_entry->iscsi_name) == 0) 71351e9e2be3SAdheer Chandravanshi goto continue_next_new_nt; 71361e9e2be3SAdheer Chandravanshi 71371e9e2be3SAdheer Chandravanshi if (!(state == DDB_DS_NO_CONNECTION_ACTIVE)) 71381e9e2be3SAdheer Chandravanshi goto continue_next_new_nt; 71391e9e2be3SAdheer Chandravanshi 71401e9e2be3SAdheer Chandravanshi DEBUG2(ql4_printk(KERN_INFO, ha, 71411e9e2be3SAdheer Chandravanshi "Adding DDB to session = 0x%x\n", idx)); 71421e9e2be3SAdheer Chandravanshi 71431e9e2be3SAdheer Chandravanshi nt_ddb_idx = vmalloc(fw_idx_size); 71441e9e2be3SAdheer Chandravanshi if (!nt_ddb_idx) 71451e9e2be3SAdheer Chandravanshi break; 71461e9e2be3SAdheer Chandravanshi 71471e9e2be3SAdheer Chandravanshi nt_ddb_idx->fw_ddb_idx = idx; 71481e9e2be3SAdheer Chandravanshi 7149ad8bd45eSManish Rangankar ret = qla4xxx_is_session_exists(ha, fw_ddb_entry, NULL); 71501e9e2be3SAdheer Chandravanshi if (ret == QLA_SUCCESS) { 71511e9e2be3SAdheer Chandravanshi /* free nt_ddb_idx and do not add to list_nt */ 71521e9e2be3SAdheer Chandravanshi vfree(nt_ddb_idx); 71531e9e2be3SAdheer Chandravanshi goto continue_next_new_nt; 71541e9e2be3SAdheer Chandravanshi } 71551e9e2be3SAdheer Chandravanshi 7156ad8bd45eSManish Rangankar if (target_id < max_ddbs) 7157ad8bd45eSManish Rangankar fw_ddb_entry->ddb_link = cpu_to_le16(target_id); 7158ad8bd45eSManish Rangankar 71591e9e2be3SAdheer Chandravanshi list_add_tail(&nt_ddb_idx->list, list_nt); 71601e9e2be3SAdheer Chandravanshi 71611e9e2be3SAdheer Chandravanshi ret = qla4xxx_sess_conn_setup(ha, fw_ddb_entry, RESET_ADAPTER, 71621e9e2be3SAdheer Chandravanshi idx); 71631e9e2be3SAdheer Chandravanshi if (ret == QLA_ERROR) 71641e9e2be3SAdheer Chandravanshi goto exit_new_nt_list; 71651e9e2be3SAdheer Chandravanshi 71661e9e2be3SAdheer Chandravanshi continue_next_new_nt: 71671e9e2be3SAdheer Chandravanshi if (next_idx == 0) 71681e9e2be3SAdheer Chandravanshi break; 71691e9e2be3SAdheer Chandravanshi } 71701e9e2be3SAdheer Chandravanshi 71711e9e2be3SAdheer Chandravanshi exit_new_nt_list: 71721e9e2be3SAdheer Chandravanshi if (fw_ddb_entry) 71731e9e2be3SAdheer Chandravanshi dma_pool_free(ha->fw_ddb_dma_pool, fw_ddb_entry, fw_ddb_dma); 71741e9e2be3SAdheer Chandravanshi } 71751e9e2be3SAdheer Chandravanshi 71761e9e2be3SAdheer Chandravanshi /** 71771e9e2be3SAdheer Chandravanshi * qla4xxx_sysfs_ddb_is_non_persistent - check for non-persistence of ddb entry 71781e9e2be3SAdheer Chandravanshi * @dev: dev associated with the sysfs entry 71791e9e2be3SAdheer Chandravanshi * @data: pointer to flashnode session object 71801e9e2be3SAdheer Chandravanshi * 71811e9e2be3SAdheer Chandravanshi * Returns: 71821e9e2be3SAdheer Chandravanshi * 1: if flashnode entry is non-persistent 71831e9e2be3SAdheer Chandravanshi * 0: if flashnode entry is persistent 71841e9e2be3SAdheer Chandravanshi **/ 71851e9e2be3SAdheer Chandravanshi static int qla4xxx_sysfs_ddb_is_non_persistent(struct device *dev, void *data) 71861e9e2be3SAdheer Chandravanshi { 71871e9e2be3SAdheer Chandravanshi struct iscsi_bus_flash_session *fnode_sess; 71881e9e2be3SAdheer Chandravanshi 71891e9e2be3SAdheer Chandravanshi if (!iscsi_flashnode_bus_match(dev, NULL)) 71901e9e2be3SAdheer Chandravanshi return 0; 71911e9e2be3SAdheer Chandravanshi 71921e9e2be3SAdheer Chandravanshi fnode_sess = iscsi_dev_to_flash_session(dev); 71931e9e2be3SAdheer Chandravanshi 71941e9e2be3SAdheer Chandravanshi return (fnode_sess->flash_state == DEV_DB_NON_PERSISTENT); 71951e9e2be3SAdheer Chandravanshi } 71961e9e2be3SAdheer Chandravanshi 71971e9e2be3SAdheer Chandravanshi /** 71981e9e2be3SAdheer Chandravanshi * qla4xxx_sysfs_ddb_tgt_create - Create sysfs entry for target 71991e9e2be3SAdheer Chandravanshi * @ha: pointer to host 72001e9e2be3SAdheer Chandravanshi * @fw_ddb_entry: flash ddb data 72011e9e2be3SAdheer Chandravanshi * @idx: target index 72021e9e2be3SAdheer Chandravanshi * @user: if set then this call is made from userland else from kernel 72031e9e2be3SAdheer Chandravanshi * 72041e9e2be3SAdheer Chandravanshi * Returns: 72051e9e2be3SAdheer Chandravanshi * On sucess: QLA_SUCCESS 72061e9e2be3SAdheer Chandravanshi * On failure: QLA_ERROR 72071e9e2be3SAdheer Chandravanshi * 72081e9e2be3SAdheer Chandravanshi * This create separate sysfs entries for session and connection attributes of 72091e9e2be3SAdheer Chandravanshi * the given fw ddb entry. 72101e9e2be3SAdheer Chandravanshi * If this is invoked as a result of a userspace call then the entry is marked 72111e9e2be3SAdheer Chandravanshi * as nonpersistent using flash_state field. 72121e9e2be3SAdheer Chandravanshi **/ 721328e02f1aSVikas Chaudhary static int qla4xxx_sysfs_ddb_tgt_create(struct scsi_qla_host *ha, 72141e9e2be3SAdheer Chandravanshi struct dev_db_entry *fw_ddb_entry, 72151e9e2be3SAdheer Chandravanshi uint16_t *idx, int user) 72161e9e2be3SAdheer Chandravanshi { 72171e9e2be3SAdheer Chandravanshi struct iscsi_bus_flash_session *fnode_sess = NULL; 72181e9e2be3SAdheer Chandravanshi struct iscsi_bus_flash_conn *fnode_conn = NULL; 72191e9e2be3SAdheer Chandravanshi int rc = QLA_ERROR; 72201e9e2be3SAdheer Chandravanshi 72211e9e2be3SAdheer Chandravanshi fnode_sess = iscsi_create_flashnode_sess(ha->host, *idx, 72221e9e2be3SAdheer Chandravanshi &qla4xxx_iscsi_transport, 0); 72231e9e2be3SAdheer Chandravanshi if (!fnode_sess) { 72241e9e2be3SAdheer Chandravanshi ql4_printk(KERN_ERR, ha, 72251e9e2be3SAdheer Chandravanshi "%s: Unable to create session sysfs entry for flashnode %d of host%lu\n", 72261e9e2be3SAdheer Chandravanshi __func__, *idx, ha->host_no); 72271e9e2be3SAdheer Chandravanshi goto exit_tgt_create; 72281e9e2be3SAdheer Chandravanshi } 72291e9e2be3SAdheer Chandravanshi 72301e9e2be3SAdheer Chandravanshi fnode_conn = iscsi_create_flashnode_conn(ha->host, fnode_sess, 72311e9e2be3SAdheer Chandravanshi &qla4xxx_iscsi_transport, 0); 72321e9e2be3SAdheer Chandravanshi if (!fnode_conn) { 72331e9e2be3SAdheer Chandravanshi ql4_printk(KERN_ERR, ha, 72341e9e2be3SAdheer Chandravanshi "%s: Unable to create conn sysfs entry for flashnode %d of host%lu\n", 72351e9e2be3SAdheer Chandravanshi __func__, *idx, ha->host_no); 72361e9e2be3SAdheer Chandravanshi goto free_sess; 72371e9e2be3SAdheer Chandravanshi } 72381e9e2be3SAdheer Chandravanshi 72391e9e2be3SAdheer Chandravanshi if (user) { 72401e9e2be3SAdheer Chandravanshi fnode_sess->flash_state = DEV_DB_NON_PERSISTENT; 72411e9e2be3SAdheer Chandravanshi } else { 72421e9e2be3SAdheer Chandravanshi fnode_sess->flash_state = DEV_DB_PERSISTENT; 72431e9e2be3SAdheer Chandravanshi 72441e9e2be3SAdheer Chandravanshi if (*idx == ha->pri_ddb_idx || *idx == ha->sec_ddb_idx) 72451e9e2be3SAdheer Chandravanshi fnode_sess->is_boot_target = 1; 72461e9e2be3SAdheer Chandravanshi else 72471e9e2be3SAdheer Chandravanshi fnode_sess->is_boot_target = 0; 72481e9e2be3SAdheer Chandravanshi } 72491e9e2be3SAdheer Chandravanshi 72501e9e2be3SAdheer Chandravanshi rc = qla4xxx_copy_from_fwddb_param(fnode_sess, fnode_conn, 72511e9e2be3SAdheer Chandravanshi fw_ddb_entry); 725272b4a046SYueHaibing if (rc) 725372b4a046SYueHaibing goto free_sess; 72541e9e2be3SAdheer Chandravanshi 72551e9e2be3SAdheer Chandravanshi ql4_printk(KERN_INFO, ha, "%s: sysfs entry %s created\n", 72561e9e2be3SAdheer Chandravanshi __func__, fnode_sess->dev.kobj.name); 72571e9e2be3SAdheer Chandravanshi 72581e9e2be3SAdheer Chandravanshi ql4_printk(KERN_INFO, ha, "%s: sysfs entry %s created\n", 72591e9e2be3SAdheer Chandravanshi __func__, fnode_conn->dev.kobj.name); 72601e9e2be3SAdheer Chandravanshi 72611e9e2be3SAdheer Chandravanshi return QLA_SUCCESS; 72621e9e2be3SAdheer Chandravanshi 72631e9e2be3SAdheer Chandravanshi free_sess: 72641e9e2be3SAdheer Chandravanshi iscsi_destroy_flashnode_sess(fnode_sess); 72651e9e2be3SAdheer Chandravanshi 72661e9e2be3SAdheer Chandravanshi exit_tgt_create: 72671e9e2be3SAdheer Chandravanshi return QLA_ERROR; 72681e9e2be3SAdheer Chandravanshi } 72691e9e2be3SAdheer Chandravanshi 72701e9e2be3SAdheer Chandravanshi /** 72711e9e2be3SAdheer Chandravanshi * qla4xxx_sysfs_ddb_add - Add new ddb entry in flash 72721e9e2be3SAdheer Chandravanshi * @shost: pointer to host 72731e9e2be3SAdheer Chandravanshi * @buf: type of ddb entry (ipv4/ipv6) 72741e9e2be3SAdheer Chandravanshi * @len: length of buf 72751e9e2be3SAdheer Chandravanshi * 72761e9e2be3SAdheer Chandravanshi * This creates new ddb entry in the flash by finding first free index and 72771e9e2be3SAdheer Chandravanshi * storing default ddb there. And then create sysfs entry for the new ddb entry. 72781e9e2be3SAdheer Chandravanshi **/ 72791e9e2be3SAdheer Chandravanshi static int qla4xxx_sysfs_ddb_add(struct Scsi_Host *shost, const char *buf, 72801e9e2be3SAdheer Chandravanshi int len) 72811e9e2be3SAdheer Chandravanshi { 72821e9e2be3SAdheer Chandravanshi struct scsi_qla_host *ha = to_qla_host(shost); 72831e9e2be3SAdheer Chandravanshi struct dev_db_entry *fw_ddb_entry = NULL; 72841e9e2be3SAdheer Chandravanshi dma_addr_t fw_ddb_entry_dma; 72851e9e2be3SAdheer Chandravanshi struct device *dev; 72861e9e2be3SAdheer Chandravanshi uint16_t idx = 0; 72871e9e2be3SAdheer Chandravanshi uint16_t max_ddbs = 0; 72881e9e2be3SAdheer Chandravanshi uint32_t options = 0; 72891e9e2be3SAdheer Chandravanshi uint32_t rval = QLA_ERROR; 72901e9e2be3SAdheer Chandravanshi 7291c962c18bSAdheer Chandravanshi if (strncasecmp(PORTAL_TYPE_IPV4, buf, 4) && 7292c962c18bSAdheer Chandravanshi strncasecmp(PORTAL_TYPE_IPV6, buf, 4)) { 72931e9e2be3SAdheer Chandravanshi DEBUG2(ql4_printk(KERN_ERR, ha, "%s: Invalid portal type\n", 72941e9e2be3SAdheer Chandravanshi __func__)); 72951e9e2be3SAdheer Chandravanshi goto exit_ddb_add; 72961e9e2be3SAdheer Chandravanshi } 72971e9e2be3SAdheer Chandravanshi 7298a957a7d7SAdheer Chandravanshi max_ddbs = is_qla40XX(ha) ? MAX_PRST_DEV_DB_ENTRIES : 72991e9e2be3SAdheer Chandravanshi MAX_DEV_DB_ENTRIES; 73001e9e2be3SAdheer Chandravanshi 73011e9e2be3SAdheer Chandravanshi fw_ddb_entry = dma_alloc_coherent(&ha->pdev->dev, sizeof(*fw_ddb_entry), 73021e9e2be3SAdheer Chandravanshi &fw_ddb_entry_dma, GFP_KERNEL); 73031e9e2be3SAdheer Chandravanshi if (!fw_ddb_entry) { 73041e9e2be3SAdheer Chandravanshi DEBUG2(ql4_printk(KERN_ERR, ha, 73051e9e2be3SAdheer Chandravanshi "%s: Unable to allocate dma buffer\n", 73061e9e2be3SAdheer Chandravanshi __func__)); 73071e9e2be3SAdheer Chandravanshi goto exit_ddb_add; 73081e9e2be3SAdheer Chandravanshi } 73091e9e2be3SAdheer Chandravanshi 73101e9e2be3SAdheer Chandravanshi dev = iscsi_find_flashnode_sess(ha->host, NULL, 73111e9e2be3SAdheer Chandravanshi qla4xxx_sysfs_ddb_is_non_persistent); 73121e9e2be3SAdheer Chandravanshi if (dev) { 73131e9e2be3SAdheer Chandravanshi ql4_printk(KERN_ERR, ha, 73141e9e2be3SAdheer Chandravanshi "%s: A non-persistent entry %s found\n", 73151e9e2be3SAdheer Chandravanshi __func__, dev->kobj.name); 73168526cb11SMike Christie put_device(dev); 73171e9e2be3SAdheer Chandravanshi goto exit_ddb_add; 73181e9e2be3SAdheer Chandravanshi } 73191e9e2be3SAdheer Chandravanshi 732099937574SAdheer Chandravanshi /* Index 0 and 1 are reserved for boot target entries */ 732199937574SAdheer Chandravanshi for (idx = 2; idx < max_ddbs; idx++) { 73221e9e2be3SAdheer Chandravanshi if (qla4xxx_flashdb_by_index(ha, fw_ddb_entry, 73231e9e2be3SAdheer Chandravanshi fw_ddb_entry_dma, idx)) 73241e9e2be3SAdheer Chandravanshi break; 73251e9e2be3SAdheer Chandravanshi } 73261e9e2be3SAdheer Chandravanshi 73271e9e2be3SAdheer Chandravanshi if (idx == max_ddbs) 73281e9e2be3SAdheer Chandravanshi goto exit_ddb_add; 73291e9e2be3SAdheer Chandravanshi 73301e9e2be3SAdheer Chandravanshi if (!strncasecmp("ipv6", buf, 4)) 73311e9e2be3SAdheer Chandravanshi options |= IPV6_DEFAULT_DDB_ENTRY; 73321e9e2be3SAdheer Chandravanshi 73331e9e2be3SAdheer Chandravanshi rval = qla4xxx_get_default_ddb(ha, options, fw_ddb_entry_dma); 73341e9e2be3SAdheer Chandravanshi if (rval == QLA_ERROR) 73351e9e2be3SAdheer Chandravanshi goto exit_ddb_add; 73361e9e2be3SAdheer Chandravanshi 73371e9e2be3SAdheer Chandravanshi rval = qla4xxx_sysfs_ddb_tgt_create(ha, fw_ddb_entry, &idx, 1); 73381e9e2be3SAdheer Chandravanshi 73391e9e2be3SAdheer Chandravanshi exit_ddb_add: 73401e9e2be3SAdheer Chandravanshi if (fw_ddb_entry) 73411e9e2be3SAdheer Chandravanshi dma_free_coherent(&ha->pdev->dev, sizeof(*fw_ddb_entry), 73421e9e2be3SAdheer Chandravanshi fw_ddb_entry, fw_ddb_entry_dma); 73431e9e2be3SAdheer Chandravanshi if (rval == QLA_SUCCESS) 73441e9e2be3SAdheer Chandravanshi return idx; 73451e9e2be3SAdheer Chandravanshi else 73461e9e2be3SAdheer Chandravanshi return -EIO; 73471e9e2be3SAdheer Chandravanshi } 73481e9e2be3SAdheer Chandravanshi 73491e9e2be3SAdheer Chandravanshi /** 73501e9e2be3SAdheer Chandravanshi * qla4xxx_sysfs_ddb_apply - write the target ddb contents to Flash 73511e9e2be3SAdheer Chandravanshi * @fnode_sess: pointer to session attrs of flash ddb entry 73521e9e2be3SAdheer Chandravanshi * @fnode_conn: pointer to connection attrs of flash ddb entry 73531e9e2be3SAdheer Chandravanshi * 73541e9e2be3SAdheer Chandravanshi * This writes the contents of target ddb buffer to Flash with a valid cookie 73551e9e2be3SAdheer Chandravanshi * value in order to make the ddb entry persistent. 73561e9e2be3SAdheer Chandravanshi **/ 73571e9e2be3SAdheer Chandravanshi static int qla4xxx_sysfs_ddb_apply(struct iscsi_bus_flash_session *fnode_sess, 73581e9e2be3SAdheer Chandravanshi struct iscsi_bus_flash_conn *fnode_conn) 73591e9e2be3SAdheer Chandravanshi { 73601e9e2be3SAdheer Chandravanshi struct Scsi_Host *shost = iscsi_flash_session_to_shost(fnode_sess); 73611e9e2be3SAdheer Chandravanshi struct scsi_qla_host *ha = to_qla_host(shost); 73621e9e2be3SAdheer Chandravanshi uint32_t dev_db_start_offset = FLASH_OFFSET_DB_INFO; 73631e9e2be3SAdheer Chandravanshi struct dev_db_entry *fw_ddb_entry = NULL; 73641e9e2be3SAdheer Chandravanshi dma_addr_t fw_ddb_entry_dma; 73651e9e2be3SAdheer Chandravanshi uint32_t options = 0; 73661e9e2be3SAdheer Chandravanshi int rval = 0; 73671e9e2be3SAdheer Chandravanshi 73681e9e2be3SAdheer Chandravanshi fw_ddb_entry = dma_alloc_coherent(&ha->pdev->dev, sizeof(*fw_ddb_entry), 73691e9e2be3SAdheer Chandravanshi &fw_ddb_entry_dma, GFP_KERNEL); 73701e9e2be3SAdheer Chandravanshi if (!fw_ddb_entry) { 73711e9e2be3SAdheer Chandravanshi DEBUG2(ql4_printk(KERN_ERR, ha, 73721e9e2be3SAdheer Chandravanshi "%s: Unable to allocate dma buffer\n", 73731e9e2be3SAdheer Chandravanshi __func__)); 73741e9e2be3SAdheer Chandravanshi rval = -ENOMEM; 73751e9e2be3SAdheer Chandravanshi goto exit_ddb_apply; 73761e9e2be3SAdheer Chandravanshi } 73771e9e2be3SAdheer Chandravanshi 7378c962c18bSAdheer Chandravanshi if (!strncasecmp(fnode_sess->portal_type, PORTAL_TYPE_IPV6, 4)) 73791e9e2be3SAdheer Chandravanshi options |= IPV6_DEFAULT_DDB_ENTRY; 73801e9e2be3SAdheer Chandravanshi 73811e9e2be3SAdheer Chandravanshi rval = qla4xxx_get_default_ddb(ha, options, fw_ddb_entry_dma); 73821e9e2be3SAdheer Chandravanshi if (rval == QLA_ERROR) 73831e9e2be3SAdheer Chandravanshi goto exit_ddb_apply; 73841e9e2be3SAdheer Chandravanshi 73851e9e2be3SAdheer Chandravanshi dev_db_start_offset += (fnode_sess->target_id * 73861e9e2be3SAdheer Chandravanshi sizeof(*fw_ddb_entry)); 73871e9e2be3SAdheer Chandravanshi 73881e9e2be3SAdheer Chandravanshi qla4xxx_copy_to_fwddb_param(fnode_sess, fnode_conn, fw_ddb_entry); 73891e9e2be3SAdheer Chandravanshi fw_ddb_entry->cookie = DDB_VALID_COOKIE; 73901e9e2be3SAdheer Chandravanshi 73911e9e2be3SAdheer Chandravanshi rval = qla4xxx_set_flash(ha, fw_ddb_entry_dma, dev_db_start_offset, 73921e9e2be3SAdheer Chandravanshi sizeof(*fw_ddb_entry), FLASH_OPT_RMW_COMMIT); 73931e9e2be3SAdheer Chandravanshi 73941e9e2be3SAdheer Chandravanshi if (rval == QLA_SUCCESS) { 73951e9e2be3SAdheer Chandravanshi fnode_sess->flash_state = DEV_DB_PERSISTENT; 73961e9e2be3SAdheer Chandravanshi ql4_printk(KERN_INFO, ha, 73971e9e2be3SAdheer Chandravanshi "%s: flash node %u of host %lu written to flash\n", 73981e9e2be3SAdheer Chandravanshi __func__, fnode_sess->target_id, ha->host_no); 73991e9e2be3SAdheer Chandravanshi } else { 74001e9e2be3SAdheer Chandravanshi rval = -EIO; 74011e9e2be3SAdheer Chandravanshi ql4_printk(KERN_ERR, ha, 74021e9e2be3SAdheer Chandravanshi "%s: Error while writing flash node %u of host %lu to flash\n", 74031e9e2be3SAdheer Chandravanshi __func__, fnode_sess->target_id, ha->host_no); 74041e9e2be3SAdheer Chandravanshi } 74051e9e2be3SAdheer Chandravanshi 74061e9e2be3SAdheer Chandravanshi exit_ddb_apply: 74071e9e2be3SAdheer Chandravanshi if (fw_ddb_entry) 74081e9e2be3SAdheer Chandravanshi dma_free_coherent(&ha->pdev->dev, sizeof(*fw_ddb_entry), 74091e9e2be3SAdheer Chandravanshi fw_ddb_entry, fw_ddb_entry_dma); 74101e9e2be3SAdheer Chandravanshi return rval; 74111e9e2be3SAdheer Chandravanshi } 74121e9e2be3SAdheer Chandravanshi 74131e9e2be3SAdheer Chandravanshi static ssize_t qla4xxx_sysfs_ddb_conn_open(struct scsi_qla_host *ha, 74141e9e2be3SAdheer Chandravanshi struct dev_db_entry *fw_ddb_entry, 74151e9e2be3SAdheer Chandravanshi uint16_t idx) 74161e9e2be3SAdheer Chandravanshi { 74171e9e2be3SAdheer Chandravanshi struct dev_db_entry *ddb_entry = NULL; 74181e9e2be3SAdheer Chandravanshi dma_addr_t ddb_entry_dma; 74191e9e2be3SAdheer Chandravanshi unsigned long wtime; 74201e9e2be3SAdheer Chandravanshi uint32_t mbx_sts = 0; 74211e9e2be3SAdheer Chandravanshi uint32_t state = 0, conn_err = 0; 74221e9e2be3SAdheer Chandravanshi uint16_t tmo = 0; 74231e9e2be3SAdheer Chandravanshi int ret = 0; 74241e9e2be3SAdheer Chandravanshi 74251e9e2be3SAdheer Chandravanshi ddb_entry = dma_alloc_coherent(&ha->pdev->dev, sizeof(*ddb_entry), 74261e9e2be3SAdheer Chandravanshi &ddb_entry_dma, GFP_KERNEL); 74271e9e2be3SAdheer Chandravanshi if (!ddb_entry) { 74281e9e2be3SAdheer Chandravanshi DEBUG2(ql4_printk(KERN_ERR, ha, 74291e9e2be3SAdheer Chandravanshi "%s: Unable to allocate dma buffer\n", 74301e9e2be3SAdheer Chandravanshi __func__)); 74311e9e2be3SAdheer Chandravanshi return QLA_ERROR; 74321e9e2be3SAdheer Chandravanshi } 74331e9e2be3SAdheer Chandravanshi 74341e9e2be3SAdheer Chandravanshi memcpy(ddb_entry, fw_ddb_entry, sizeof(*ddb_entry)); 74351e9e2be3SAdheer Chandravanshi 74361e9e2be3SAdheer Chandravanshi ret = qla4xxx_set_ddb_entry(ha, idx, ddb_entry_dma, &mbx_sts); 74371e9e2be3SAdheer Chandravanshi if (ret != QLA_SUCCESS) { 74381e9e2be3SAdheer Chandravanshi DEBUG2(ql4_printk(KERN_ERR, ha, 74391e9e2be3SAdheer Chandravanshi "%s: Unable to set ddb entry for index %d\n", 74401e9e2be3SAdheer Chandravanshi __func__, idx)); 74411e9e2be3SAdheer Chandravanshi goto exit_ddb_conn_open; 74421e9e2be3SAdheer Chandravanshi } 74431e9e2be3SAdheer Chandravanshi 74441e9e2be3SAdheer Chandravanshi qla4xxx_conn_open(ha, idx); 74451e9e2be3SAdheer Chandravanshi 74461e9e2be3SAdheer Chandravanshi /* To ensure that sendtargets is done, wait for at least 12 secs */ 74471e9e2be3SAdheer Chandravanshi tmo = ((ha->def_timeout > LOGIN_TOV) && 74481e9e2be3SAdheer Chandravanshi (ha->def_timeout < LOGIN_TOV * 10) ? 74491e9e2be3SAdheer Chandravanshi ha->def_timeout : LOGIN_TOV); 74501e9e2be3SAdheer Chandravanshi 74511e9e2be3SAdheer Chandravanshi DEBUG2(ql4_printk(KERN_INFO, ha, 74521e9e2be3SAdheer Chandravanshi "Default time to wait for login to ddb %d\n", tmo)); 74531e9e2be3SAdheer Chandravanshi 74541e9e2be3SAdheer Chandravanshi wtime = jiffies + (HZ * tmo); 74551e9e2be3SAdheer Chandravanshi do { 74561e9e2be3SAdheer Chandravanshi ret = qla4xxx_get_fwddb_entry(ha, idx, NULL, 0, NULL, 74571e9e2be3SAdheer Chandravanshi NULL, &state, &conn_err, NULL, 74581e9e2be3SAdheer Chandravanshi NULL); 74591e9e2be3SAdheer Chandravanshi if (ret == QLA_ERROR) 74601e9e2be3SAdheer Chandravanshi continue; 74611e9e2be3SAdheer Chandravanshi 74621e9e2be3SAdheer Chandravanshi if (state == DDB_DS_NO_CONNECTION_ACTIVE || 74631e9e2be3SAdheer Chandravanshi state == DDB_DS_SESSION_FAILED) 74641e9e2be3SAdheer Chandravanshi break; 74651e9e2be3SAdheer Chandravanshi 74661e9e2be3SAdheer Chandravanshi schedule_timeout_uninterruptible(HZ / 10); 74671e9e2be3SAdheer Chandravanshi } while (time_after(wtime, jiffies)); 74681e9e2be3SAdheer Chandravanshi 74691e9e2be3SAdheer Chandravanshi exit_ddb_conn_open: 74701e9e2be3SAdheer Chandravanshi if (ddb_entry) 74711e9e2be3SAdheer Chandravanshi dma_free_coherent(&ha->pdev->dev, sizeof(*ddb_entry), 74721e9e2be3SAdheer Chandravanshi ddb_entry, ddb_entry_dma); 74731e9e2be3SAdheer Chandravanshi return ret; 74741e9e2be3SAdheer Chandravanshi } 74751e9e2be3SAdheer Chandravanshi 74761e9e2be3SAdheer Chandravanshi static int qla4xxx_ddb_login_st(struct scsi_qla_host *ha, 7477ad8bd45eSManish Rangankar struct dev_db_entry *fw_ddb_entry, 7478ad8bd45eSManish Rangankar uint16_t target_id) 74791e9e2be3SAdheer Chandravanshi { 74801e9e2be3SAdheer Chandravanshi struct qla_ddb_index *ddb_idx, *ddb_idx_tmp; 74811e9e2be3SAdheer Chandravanshi struct list_head list_nt; 74821e9e2be3SAdheer Chandravanshi uint16_t ddb_index; 74831e9e2be3SAdheer Chandravanshi int ret = 0; 74841e9e2be3SAdheer Chandravanshi 74851e9e2be3SAdheer Chandravanshi if (test_bit(AF_ST_DISCOVERY_IN_PROGRESS, &ha->flags)) { 74861e9e2be3SAdheer Chandravanshi ql4_printk(KERN_WARNING, ha, 74871e9e2be3SAdheer Chandravanshi "%s: A discovery already in progress!\n", __func__); 74881e9e2be3SAdheer Chandravanshi return QLA_ERROR; 74891e9e2be3SAdheer Chandravanshi } 74901e9e2be3SAdheer Chandravanshi 74911e9e2be3SAdheer Chandravanshi INIT_LIST_HEAD(&list_nt); 74921e9e2be3SAdheer Chandravanshi 74931e9e2be3SAdheer Chandravanshi set_bit(AF_ST_DISCOVERY_IN_PROGRESS, &ha->flags); 74941e9e2be3SAdheer Chandravanshi 74951e9e2be3SAdheer Chandravanshi ret = qla4xxx_get_ddb_index(ha, &ddb_index); 74961e9e2be3SAdheer Chandravanshi if (ret == QLA_ERROR) 74971e9e2be3SAdheer Chandravanshi goto exit_login_st_clr_bit; 74981e9e2be3SAdheer Chandravanshi 74991e9e2be3SAdheer Chandravanshi ret = qla4xxx_sysfs_ddb_conn_open(ha, fw_ddb_entry, ddb_index); 75001e9e2be3SAdheer Chandravanshi if (ret == QLA_ERROR) 75011e9e2be3SAdheer Chandravanshi goto exit_login_st; 75021e9e2be3SAdheer Chandravanshi 7503ad8bd45eSManish Rangankar qla4xxx_build_new_nt_list(ha, &list_nt, target_id); 75041e9e2be3SAdheer Chandravanshi 75051e9e2be3SAdheer Chandravanshi list_for_each_entry_safe(ddb_idx, ddb_idx_tmp, &list_nt, list) { 75061e9e2be3SAdheer Chandravanshi list_del_init(&ddb_idx->list); 75071e9e2be3SAdheer Chandravanshi qla4xxx_clear_ddb_entry(ha, ddb_idx->fw_ddb_idx); 75081e9e2be3SAdheer Chandravanshi vfree(ddb_idx); 75091e9e2be3SAdheer Chandravanshi } 75101e9e2be3SAdheer Chandravanshi 75111e9e2be3SAdheer Chandravanshi exit_login_st: 75121e9e2be3SAdheer Chandravanshi if (qla4xxx_clear_ddb_entry(ha, ddb_index) == QLA_ERROR) { 75131e9e2be3SAdheer Chandravanshi ql4_printk(KERN_ERR, ha, 75141e9e2be3SAdheer Chandravanshi "Unable to clear DDB index = 0x%x\n", ddb_index); 75151e9e2be3SAdheer Chandravanshi } 75161e9e2be3SAdheer Chandravanshi 75171e9e2be3SAdheer Chandravanshi clear_bit(ddb_index, ha->ddb_idx_map); 75181e9e2be3SAdheer Chandravanshi 75191e9e2be3SAdheer Chandravanshi exit_login_st_clr_bit: 75201e9e2be3SAdheer Chandravanshi clear_bit(AF_ST_DISCOVERY_IN_PROGRESS, &ha->flags); 75211e9e2be3SAdheer Chandravanshi return ret; 75221e9e2be3SAdheer Chandravanshi } 75231e9e2be3SAdheer Chandravanshi 75241e9e2be3SAdheer Chandravanshi static int qla4xxx_ddb_login_nt(struct scsi_qla_host *ha, 75251e9e2be3SAdheer Chandravanshi struct dev_db_entry *fw_ddb_entry, 75261e9e2be3SAdheer Chandravanshi uint16_t idx) 75271e9e2be3SAdheer Chandravanshi { 75281e9e2be3SAdheer Chandravanshi int ret = QLA_ERROR; 75291e9e2be3SAdheer Chandravanshi 7530ad8bd45eSManish Rangankar ret = qla4xxx_is_session_exists(ha, fw_ddb_entry, NULL); 75311e9e2be3SAdheer Chandravanshi if (ret != QLA_SUCCESS) 75321e9e2be3SAdheer Chandravanshi ret = qla4xxx_sess_conn_setup(ha, fw_ddb_entry, RESET_ADAPTER, 75331e9e2be3SAdheer Chandravanshi idx); 75341e9e2be3SAdheer Chandravanshi else 75351e9e2be3SAdheer Chandravanshi ret = -EPERM; 75361e9e2be3SAdheer Chandravanshi 75371e9e2be3SAdheer Chandravanshi return ret; 75381e9e2be3SAdheer Chandravanshi } 75391e9e2be3SAdheer Chandravanshi 75401e9e2be3SAdheer Chandravanshi /** 75411e9e2be3SAdheer Chandravanshi * qla4xxx_sysfs_ddb_login - Login to the specified target 75421e9e2be3SAdheer Chandravanshi * @fnode_sess: pointer to session attrs of flash ddb entry 75431e9e2be3SAdheer Chandravanshi * @fnode_conn: pointer to connection attrs of flash ddb entry 75441e9e2be3SAdheer Chandravanshi * 75451e9e2be3SAdheer Chandravanshi * This logs in to the specified target 75461e9e2be3SAdheer Chandravanshi **/ 75471e9e2be3SAdheer Chandravanshi static int qla4xxx_sysfs_ddb_login(struct iscsi_bus_flash_session *fnode_sess, 75481e9e2be3SAdheer Chandravanshi struct iscsi_bus_flash_conn *fnode_conn) 75491e9e2be3SAdheer Chandravanshi { 75501e9e2be3SAdheer Chandravanshi struct Scsi_Host *shost = iscsi_flash_session_to_shost(fnode_sess); 75511e9e2be3SAdheer Chandravanshi struct scsi_qla_host *ha = to_qla_host(shost); 75521e9e2be3SAdheer Chandravanshi struct dev_db_entry *fw_ddb_entry = NULL; 75531e9e2be3SAdheer Chandravanshi dma_addr_t fw_ddb_entry_dma; 75541e9e2be3SAdheer Chandravanshi uint32_t options = 0; 75551e9e2be3SAdheer Chandravanshi int ret = 0; 75561e9e2be3SAdheer Chandravanshi 75571e9e2be3SAdheer Chandravanshi if (fnode_sess->flash_state == DEV_DB_NON_PERSISTENT) { 75581e9e2be3SAdheer Chandravanshi ql4_printk(KERN_ERR, ha, 75591e9e2be3SAdheer Chandravanshi "%s: Target info is not persistent\n", __func__); 75601e9e2be3SAdheer Chandravanshi ret = -EIO; 75611e9e2be3SAdheer Chandravanshi goto exit_ddb_login; 75621e9e2be3SAdheer Chandravanshi } 75631e9e2be3SAdheer Chandravanshi 75641e9e2be3SAdheer Chandravanshi fw_ddb_entry = dma_alloc_coherent(&ha->pdev->dev, sizeof(*fw_ddb_entry), 75651e9e2be3SAdheer Chandravanshi &fw_ddb_entry_dma, GFP_KERNEL); 75661e9e2be3SAdheer Chandravanshi if (!fw_ddb_entry) { 75671e9e2be3SAdheer Chandravanshi DEBUG2(ql4_printk(KERN_ERR, ha, 75681e9e2be3SAdheer Chandravanshi "%s: Unable to allocate dma buffer\n", 75691e9e2be3SAdheer Chandravanshi __func__)); 75701e9e2be3SAdheer Chandravanshi ret = -ENOMEM; 75711e9e2be3SAdheer Chandravanshi goto exit_ddb_login; 75721e9e2be3SAdheer Chandravanshi } 75731e9e2be3SAdheer Chandravanshi 7574c962c18bSAdheer Chandravanshi if (!strncasecmp(fnode_sess->portal_type, PORTAL_TYPE_IPV6, 4)) 75751e9e2be3SAdheer Chandravanshi options |= IPV6_DEFAULT_DDB_ENTRY; 75761e9e2be3SAdheer Chandravanshi 75771e9e2be3SAdheer Chandravanshi ret = qla4xxx_get_default_ddb(ha, options, fw_ddb_entry_dma); 75781e9e2be3SAdheer Chandravanshi if (ret == QLA_ERROR) 75791e9e2be3SAdheer Chandravanshi goto exit_ddb_login; 75801e9e2be3SAdheer Chandravanshi 75811e9e2be3SAdheer Chandravanshi qla4xxx_copy_to_fwddb_param(fnode_sess, fnode_conn, fw_ddb_entry); 75821e9e2be3SAdheer Chandravanshi fw_ddb_entry->cookie = DDB_VALID_COOKIE; 75831e9e2be3SAdheer Chandravanshi 75841e9e2be3SAdheer Chandravanshi if (strlen((char *)fw_ddb_entry->iscsi_name) == 0) 7585ad8bd45eSManish Rangankar ret = qla4xxx_ddb_login_st(ha, fw_ddb_entry, 7586ad8bd45eSManish Rangankar fnode_sess->target_id); 75871e9e2be3SAdheer Chandravanshi else 75881e9e2be3SAdheer Chandravanshi ret = qla4xxx_ddb_login_nt(ha, fw_ddb_entry, 75891e9e2be3SAdheer Chandravanshi fnode_sess->target_id); 75901e9e2be3SAdheer Chandravanshi 75911e9e2be3SAdheer Chandravanshi if (ret > 0) 75921e9e2be3SAdheer Chandravanshi ret = -EIO; 75931e9e2be3SAdheer Chandravanshi 75941e9e2be3SAdheer Chandravanshi exit_ddb_login: 75951e9e2be3SAdheer Chandravanshi if (fw_ddb_entry) 75961e9e2be3SAdheer Chandravanshi dma_free_coherent(&ha->pdev->dev, sizeof(*fw_ddb_entry), 75971e9e2be3SAdheer Chandravanshi fw_ddb_entry, fw_ddb_entry_dma); 75981e9e2be3SAdheer Chandravanshi return ret; 75991e9e2be3SAdheer Chandravanshi } 76001e9e2be3SAdheer Chandravanshi 76011e9e2be3SAdheer Chandravanshi /** 76021e9e2be3SAdheer Chandravanshi * qla4xxx_sysfs_ddb_logout_sid - Logout session for the specified target 76031e9e2be3SAdheer Chandravanshi * @cls_sess: pointer to session to be logged out 76041e9e2be3SAdheer Chandravanshi * 76051e9e2be3SAdheer Chandravanshi * This performs session log out from the specified target 76061e9e2be3SAdheer Chandravanshi **/ 76071e9e2be3SAdheer Chandravanshi static int qla4xxx_sysfs_ddb_logout_sid(struct iscsi_cls_session *cls_sess) 76081e9e2be3SAdheer Chandravanshi { 76091e9e2be3SAdheer Chandravanshi struct iscsi_session *sess; 76101e9e2be3SAdheer Chandravanshi struct ddb_entry *ddb_entry = NULL; 76111e9e2be3SAdheer Chandravanshi struct scsi_qla_host *ha; 76121e9e2be3SAdheer Chandravanshi struct dev_db_entry *fw_ddb_entry = NULL; 76131e9e2be3SAdheer Chandravanshi dma_addr_t fw_ddb_entry_dma; 76141e9e2be3SAdheer Chandravanshi unsigned long flags; 76151e9e2be3SAdheer Chandravanshi unsigned long wtime; 76161e9e2be3SAdheer Chandravanshi uint32_t ddb_state; 76171e9e2be3SAdheer Chandravanshi int options; 76181e9e2be3SAdheer Chandravanshi int ret = 0; 76191e9e2be3SAdheer Chandravanshi 76201e9e2be3SAdheer Chandravanshi sess = cls_sess->dd_data; 76211e9e2be3SAdheer Chandravanshi ddb_entry = sess->dd_data; 76221e9e2be3SAdheer Chandravanshi ha = ddb_entry->ha; 76231e9e2be3SAdheer Chandravanshi 76241e9e2be3SAdheer Chandravanshi if (ddb_entry->ddb_type != FLASH_DDB) { 76251e9e2be3SAdheer Chandravanshi ql4_printk(KERN_ERR, ha, "%s: Not a flash node session\n", 76261e9e2be3SAdheer Chandravanshi __func__); 76271e9e2be3SAdheer Chandravanshi ret = -ENXIO; 76281e9e2be3SAdheer Chandravanshi goto exit_ddb_logout; 76291e9e2be3SAdheer Chandravanshi } 76301e9e2be3SAdheer Chandravanshi 763137719c2aSAdheer Chandravanshi if (test_bit(DF_BOOT_TGT, &ddb_entry->flags)) { 763237719c2aSAdheer Chandravanshi ql4_printk(KERN_ERR, ha, 763337719c2aSAdheer Chandravanshi "%s: Logout from boot target entry is not permitted.\n", 763437719c2aSAdheer Chandravanshi __func__); 763537719c2aSAdheer Chandravanshi ret = -EPERM; 763637719c2aSAdheer Chandravanshi goto exit_ddb_logout; 763737719c2aSAdheer Chandravanshi } 763837719c2aSAdheer Chandravanshi 76391e9e2be3SAdheer Chandravanshi fw_ddb_entry = dma_alloc_coherent(&ha->pdev->dev, sizeof(*fw_ddb_entry), 76401e9e2be3SAdheer Chandravanshi &fw_ddb_entry_dma, GFP_KERNEL); 76411e9e2be3SAdheer Chandravanshi if (!fw_ddb_entry) { 76421e9e2be3SAdheer Chandravanshi ql4_printk(KERN_ERR, ha, 76431e9e2be3SAdheer Chandravanshi "%s: Unable to allocate dma buffer\n", __func__); 76441e9e2be3SAdheer Chandravanshi ret = -ENOMEM; 76451e9e2be3SAdheer Chandravanshi goto exit_ddb_logout; 76461e9e2be3SAdheer Chandravanshi } 76471e9e2be3SAdheer Chandravanshi 764899c6a33bSAdheer Chandravanshi if (test_and_set_bit(DF_DISABLE_RELOGIN, &ddb_entry->flags)) 764999c6a33bSAdheer Chandravanshi goto ddb_logout_init; 765099c6a33bSAdheer Chandravanshi 765199c6a33bSAdheer Chandravanshi ret = qla4xxx_get_fwddb_entry(ha, ddb_entry->fw_ddb_index, 765299c6a33bSAdheer Chandravanshi fw_ddb_entry, fw_ddb_entry_dma, 765399c6a33bSAdheer Chandravanshi NULL, NULL, &ddb_state, NULL, 765499c6a33bSAdheer Chandravanshi NULL, NULL); 765599c6a33bSAdheer Chandravanshi if (ret == QLA_ERROR) 765699c6a33bSAdheer Chandravanshi goto ddb_logout_init; 765799c6a33bSAdheer Chandravanshi 765899c6a33bSAdheer Chandravanshi if (ddb_state == DDB_DS_SESSION_ACTIVE) 765999c6a33bSAdheer Chandravanshi goto ddb_logout_init; 766099c6a33bSAdheer Chandravanshi 766199c6a33bSAdheer Chandravanshi /* wait until next relogin is triggered using DF_RELOGIN and 766299c6a33bSAdheer Chandravanshi * clear DF_RELOGIN to avoid invocation of further relogin 766399c6a33bSAdheer Chandravanshi */ 766499c6a33bSAdheer Chandravanshi wtime = jiffies + (HZ * RELOGIN_TOV); 766599c6a33bSAdheer Chandravanshi do { 766699c6a33bSAdheer Chandravanshi if (test_and_clear_bit(DF_RELOGIN, &ddb_entry->flags)) 766799c6a33bSAdheer Chandravanshi goto ddb_logout_init; 766899c6a33bSAdheer Chandravanshi 766999c6a33bSAdheer Chandravanshi schedule_timeout_uninterruptible(HZ); 767099c6a33bSAdheer Chandravanshi } while ((time_after(wtime, jiffies))); 767199c6a33bSAdheer Chandravanshi 767299c6a33bSAdheer Chandravanshi ddb_logout_init: 767399c6a33bSAdheer Chandravanshi atomic_set(&ddb_entry->retry_relogin_timer, INVALID_ENTRY); 767499c6a33bSAdheer Chandravanshi atomic_set(&ddb_entry->relogin_timer, 0); 767599c6a33bSAdheer Chandravanshi 767699c6a33bSAdheer Chandravanshi options = LOGOUT_OPTION_CLOSE_SESSION; 767799c6a33bSAdheer Chandravanshi qla4xxx_session_logout_ddb(ha, ddb_entry, options); 767899c6a33bSAdheer Chandravanshi 767999c6a33bSAdheer Chandravanshi memset(fw_ddb_entry, 0, sizeof(*fw_ddb_entry)); 76801e9e2be3SAdheer Chandravanshi wtime = jiffies + (HZ * LOGOUT_TOV); 76811e9e2be3SAdheer Chandravanshi do { 76821e9e2be3SAdheer Chandravanshi ret = qla4xxx_get_fwddb_entry(ha, ddb_entry->fw_ddb_index, 76831e9e2be3SAdheer Chandravanshi fw_ddb_entry, fw_ddb_entry_dma, 76841e9e2be3SAdheer Chandravanshi NULL, NULL, &ddb_state, NULL, 76851e9e2be3SAdheer Chandravanshi NULL, NULL); 76861e9e2be3SAdheer Chandravanshi if (ret == QLA_ERROR) 76871e9e2be3SAdheer Chandravanshi goto ddb_logout_clr_sess; 76881e9e2be3SAdheer Chandravanshi 76891e9e2be3SAdheer Chandravanshi if ((ddb_state == DDB_DS_NO_CONNECTION_ACTIVE) || 76901e9e2be3SAdheer Chandravanshi (ddb_state == DDB_DS_SESSION_FAILED)) 76911e9e2be3SAdheer Chandravanshi goto ddb_logout_clr_sess; 76921e9e2be3SAdheer Chandravanshi 76931e9e2be3SAdheer Chandravanshi schedule_timeout_uninterruptible(HZ); 76941e9e2be3SAdheer Chandravanshi } while ((time_after(wtime, jiffies))); 76951e9e2be3SAdheer Chandravanshi 76961e9e2be3SAdheer Chandravanshi ddb_logout_clr_sess: 76971e9e2be3SAdheer Chandravanshi qla4xxx_clear_ddb_entry(ha, ddb_entry->fw_ddb_index); 76981e9e2be3SAdheer Chandravanshi /* 76991e9e2be3SAdheer Chandravanshi * we have decremented the reference count of the driver 77001e9e2be3SAdheer Chandravanshi * when we setup the session to have the driver unload 77011e9e2be3SAdheer Chandravanshi * to be seamless without actually destroying the 77021e9e2be3SAdheer Chandravanshi * session 77031e9e2be3SAdheer Chandravanshi **/ 77041e9e2be3SAdheer Chandravanshi try_module_get(qla4xxx_iscsi_transport.owner); 77051e9e2be3SAdheer Chandravanshi iscsi_destroy_endpoint(ddb_entry->conn->ep); 77061e9e2be3SAdheer Chandravanshi 77071e9e2be3SAdheer Chandravanshi spin_lock_irqsave(&ha->hardware_lock, flags); 77081e9e2be3SAdheer Chandravanshi qla4xxx_free_ddb(ha, ddb_entry); 770999c6a33bSAdheer Chandravanshi clear_bit(ddb_entry->fw_ddb_index, ha->ddb_idx_map); 77101e9e2be3SAdheer Chandravanshi spin_unlock_irqrestore(&ha->hardware_lock, flags); 77111e9e2be3SAdheer Chandravanshi 77121e9e2be3SAdheer Chandravanshi iscsi_session_teardown(ddb_entry->sess); 77131e9e2be3SAdheer Chandravanshi 771499c6a33bSAdheer Chandravanshi clear_bit(DF_DISABLE_RELOGIN, &ddb_entry->flags); 77151e9e2be3SAdheer Chandravanshi ret = QLA_SUCCESS; 77161e9e2be3SAdheer Chandravanshi 77171e9e2be3SAdheer Chandravanshi exit_ddb_logout: 77181e9e2be3SAdheer Chandravanshi if (fw_ddb_entry) 77191e9e2be3SAdheer Chandravanshi dma_free_coherent(&ha->pdev->dev, sizeof(*fw_ddb_entry), 77201e9e2be3SAdheer Chandravanshi fw_ddb_entry, fw_ddb_entry_dma); 77211e9e2be3SAdheer Chandravanshi return ret; 77221e9e2be3SAdheer Chandravanshi } 77231e9e2be3SAdheer Chandravanshi 77241e9e2be3SAdheer Chandravanshi /** 77251e9e2be3SAdheer Chandravanshi * qla4xxx_sysfs_ddb_logout - Logout from the specified target 77261e9e2be3SAdheer Chandravanshi * @fnode_sess: pointer to session attrs of flash ddb entry 77271e9e2be3SAdheer Chandravanshi * @fnode_conn: pointer to connection attrs of flash ddb entry 77281e9e2be3SAdheer Chandravanshi * 77291e9e2be3SAdheer Chandravanshi * This performs log out from the specified target 77301e9e2be3SAdheer Chandravanshi **/ 77311e9e2be3SAdheer Chandravanshi static int qla4xxx_sysfs_ddb_logout(struct iscsi_bus_flash_session *fnode_sess, 77321e9e2be3SAdheer Chandravanshi struct iscsi_bus_flash_conn *fnode_conn) 77331e9e2be3SAdheer Chandravanshi { 77341e9e2be3SAdheer Chandravanshi struct Scsi_Host *shost = iscsi_flash_session_to_shost(fnode_sess); 77351e9e2be3SAdheer Chandravanshi struct scsi_qla_host *ha = to_qla_host(shost); 77361e9e2be3SAdheer Chandravanshi struct ql4_tuple_ddb *flash_tddb = NULL; 77371e9e2be3SAdheer Chandravanshi struct ql4_tuple_ddb *tmp_tddb = NULL; 77381e9e2be3SAdheer Chandravanshi struct dev_db_entry *fw_ddb_entry = NULL; 77391e9e2be3SAdheer Chandravanshi struct ddb_entry *ddb_entry = NULL; 77401e9e2be3SAdheer Chandravanshi dma_addr_t fw_ddb_dma; 77411e9e2be3SAdheer Chandravanshi uint32_t next_idx = 0; 77421e9e2be3SAdheer Chandravanshi uint32_t state = 0, conn_err = 0; 77431e9e2be3SAdheer Chandravanshi uint16_t conn_id = 0; 77441e9e2be3SAdheer Chandravanshi int idx, index; 77451e9e2be3SAdheer Chandravanshi int status, ret = 0; 77461e9e2be3SAdheer Chandravanshi 77471e9e2be3SAdheer Chandravanshi fw_ddb_entry = dma_pool_alloc(ha->fw_ddb_dma_pool, GFP_KERNEL, 77481e9e2be3SAdheer Chandravanshi &fw_ddb_dma); 77491e9e2be3SAdheer Chandravanshi if (fw_ddb_entry == NULL) { 77501e9e2be3SAdheer Chandravanshi ql4_printk(KERN_ERR, ha, "%s:Out of memory\n", __func__); 77511e9e2be3SAdheer Chandravanshi ret = -ENOMEM; 77521e9e2be3SAdheer Chandravanshi goto exit_ddb_logout; 77531e9e2be3SAdheer Chandravanshi } 77541e9e2be3SAdheer Chandravanshi 77551e9e2be3SAdheer Chandravanshi flash_tddb = vzalloc(sizeof(*flash_tddb)); 77561e9e2be3SAdheer Chandravanshi if (!flash_tddb) { 77571e9e2be3SAdheer Chandravanshi ql4_printk(KERN_WARNING, ha, 77581e9e2be3SAdheer Chandravanshi "%s:Memory Allocation failed.\n", __func__); 77591e9e2be3SAdheer Chandravanshi ret = -ENOMEM; 77601e9e2be3SAdheer Chandravanshi goto exit_ddb_logout; 77611e9e2be3SAdheer Chandravanshi } 77621e9e2be3SAdheer Chandravanshi 77631e9e2be3SAdheer Chandravanshi tmp_tddb = vzalloc(sizeof(*tmp_tddb)); 77641e9e2be3SAdheer Chandravanshi if (!tmp_tddb) { 77651e9e2be3SAdheer Chandravanshi ql4_printk(KERN_WARNING, ha, 77661e9e2be3SAdheer Chandravanshi "%s:Memory Allocation failed.\n", __func__); 77671e9e2be3SAdheer Chandravanshi ret = -ENOMEM; 77681e9e2be3SAdheer Chandravanshi goto exit_ddb_logout; 77691e9e2be3SAdheer Chandravanshi } 77701e9e2be3SAdheer Chandravanshi 77711e9e2be3SAdheer Chandravanshi if (!fnode_sess->targetname) { 77721e9e2be3SAdheer Chandravanshi ql4_printk(KERN_ERR, ha, 77731e9e2be3SAdheer Chandravanshi "%s:Cannot logout from SendTarget entry\n", 77741e9e2be3SAdheer Chandravanshi __func__); 77751e9e2be3SAdheer Chandravanshi ret = -EPERM; 77761e9e2be3SAdheer Chandravanshi goto exit_ddb_logout; 77771e9e2be3SAdheer Chandravanshi } 77781e9e2be3SAdheer Chandravanshi 77791e9e2be3SAdheer Chandravanshi if (fnode_sess->is_boot_target) { 77801e9e2be3SAdheer Chandravanshi ql4_printk(KERN_ERR, ha, 77811e9e2be3SAdheer Chandravanshi "%s: Logout from boot target entry is not permitted.\n", 77821e9e2be3SAdheer Chandravanshi __func__); 77831e9e2be3SAdheer Chandravanshi ret = -EPERM; 77841e9e2be3SAdheer Chandravanshi goto exit_ddb_logout; 77851e9e2be3SAdheer Chandravanshi } 77861e9e2be3SAdheer Chandravanshi 7787bdbb9662SRickard Strandqvist strlcpy(flash_tddb->iscsi_name, fnode_sess->targetname, 77881e9e2be3SAdheer Chandravanshi ISCSI_NAME_SIZE); 77891e9e2be3SAdheer Chandravanshi 7790c962c18bSAdheer Chandravanshi if (!strncmp(fnode_sess->portal_type, PORTAL_TYPE_IPV6, 4)) 77911e9e2be3SAdheer Chandravanshi sprintf(flash_tddb->ip_addr, "%pI6", fnode_conn->ipaddress); 77921e9e2be3SAdheer Chandravanshi else 77931e9e2be3SAdheer Chandravanshi sprintf(flash_tddb->ip_addr, "%pI4", fnode_conn->ipaddress); 77941e9e2be3SAdheer Chandravanshi 77951e9e2be3SAdheer Chandravanshi flash_tddb->tpgt = fnode_sess->tpgt; 77961e9e2be3SAdheer Chandravanshi flash_tddb->port = fnode_conn->port; 77971e9e2be3SAdheer Chandravanshi 77981e9e2be3SAdheer Chandravanshi COPY_ISID(flash_tddb->isid, fnode_sess->isid); 77991e9e2be3SAdheer Chandravanshi 78001e9e2be3SAdheer Chandravanshi for (idx = 0; idx < MAX_DDB_ENTRIES; idx++) { 78011e9e2be3SAdheer Chandravanshi ddb_entry = qla4xxx_lookup_ddb_by_fw_index(ha, idx); 78021e9e2be3SAdheer Chandravanshi if (ddb_entry == NULL) 78031e9e2be3SAdheer Chandravanshi continue; 78041e9e2be3SAdheer Chandravanshi 78051e9e2be3SAdheer Chandravanshi if (ddb_entry->ddb_type != FLASH_DDB) 78061e9e2be3SAdheer Chandravanshi continue; 78071e9e2be3SAdheer Chandravanshi 78081e9e2be3SAdheer Chandravanshi index = ddb_entry->sess->target_id; 78091e9e2be3SAdheer Chandravanshi status = qla4xxx_get_fwddb_entry(ha, index, fw_ddb_entry, 78101e9e2be3SAdheer Chandravanshi fw_ddb_dma, NULL, &next_idx, 78111e9e2be3SAdheer Chandravanshi &state, &conn_err, NULL, 78121e9e2be3SAdheer Chandravanshi &conn_id); 78131e9e2be3SAdheer Chandravanshi if (status == QLA_ERROR) { 78141e9e2be3SAdheer Chandravanshi ret = -ENOMEM; 78151e9e2be3SAdheer Chandravanshi break; 78161e9e2be3SAdheer Chandravanshi } 78171e9e2be3SAdheer Chandravanshi 78181e9e2be3SAdheer Chandravanshi qla4xxx_convert_param_ddb(fw_ddb_entry, tmp_tddb, NULL); 78191e9e2be3SAdheer Chandravanshi 78201e9e2be3SAdheer Chandravanshi status = qla4xxx_compare_tuple_ddb(ha, flash_tddb, tmp_tddb, 78211e9e2be3SAdheer Chandravanshi true); 78221e9e2be3SAdheer Chandravanshi if (status == QLA_SUCCESS) { 78231e9e2be3SAdheer Chandravanshi ret = qla4xxx_sysfs_ddb_logout_sid(ddb_entry->sess); 78241e9e2be3SAdheer Chandravanshi break; 78251e9e2be3SAdheer Chandravanshi } 78261e9e2be3SAdheer Chandravanshi } 78271e9e2be3SAdheer Chandravanshi 78281e9e2be3SAdheer Chandravanshi if (idx == MAX_DDB_ENTRIES) 78291e9e2be3SAdheer Chandravanshi ret = -ESRCH; 78301e9e2be3SAdheer Chandravanshi 78311e9e2be3SAdheer Chandravanshi exit_ddb_logout: 78321e9e2be3SAdheer Chandravanshi vfree(flash_tddb); 78331e9e2be3SAdheer Chandravanshi vfree(tmp_tddb); 78341e9e2be3SAdheer Chandravanshi if (fw_ddb_entry) 78351e9e2be3SAdheer Chandravanshi dma_pool_free(ha->fw_ddb_dma_pool, fw_ddb_entry, fw_ddb_dma); 78361e9e2be3SAdheer Chandravanshi 78371e9e2be3SAdheer Chandravanshi return ret; 78381e9e2be3SAdheer Chandravanshi } 78391e9e2be3SAdheer Chandravanshi 78401e9e2be3SAdheer Chandravanshi static int 78411e9e2be3SAdheer Chandravanshi qla4xxx_sysfs_ddb_get_param(struct iscsi_bus_flash_session *fnode_sess, 78421e9e2be3SAdheer Chandravanshi int param, char *buf) 78431e9e2be3SAdheer Chandravanshi { 78441e9e2be3SAdheer Chandravanshi struct Scsi_Host *shost = iscsi_flash_session_to_shost(fnode_sess); 78451e9e2be3SAdheer Chandravanshi struct scsi_qla_host *ha = to_qla_host(shost); 78461e9e2be3SAdheer Chandravanshi struct iscsi_bus_flash_conn *fnode_conn; 78471e9e2be3SAdheer Chandravanshi struct ql4_chap_table chap_tbl; 78481e9e2be3SAdheer Chandravanshi struct device *dev; 7849a2f76636SAdheer Chandravanshi int parent_type; 78501e9e2be3SAdheer Chandravanshi int rc = 0; 78511e9e2be3SAdheer Chandravanshi 78528526cb11SMike Christie dev = iscsi_find_flashnode_conn(fnode_sess); 78531e9e2be3SAdheer Chandravanshi if (!dev) 78541e9e2be3SAdheer Chandravanshi return -EIO; 78551e9e2be3SAdheer Chandravanshi 78561e9e2be3SAdheer Chandravanshi fnode_conn = iscsi_dev_to_flash_conn(dev); 78571e9e2be3SAdheer Chandravanshi 78581e9e2be3SAdheer Chandravanshi switch (param) { 78591e9e2be3SAdheer Chandravanshi case ISCSI_FLASHNODE_IS_FW_ASSIGNED_IPV6: 78601e9e2be3SAdheer Chandravanshi rc = sprintf(buf, "%u\n", fnode_conn->is_fw_assigned_ipv6); 78611e9e2be3SAdheer Chandravanshi break; 78621e9e2be3SAdheer Chandravanshi case ISCSI_FLASHNODE_PORTAL_TYPE: 78631e9e2be3SAdheer Chandravanshi rc = sprintf(buf, "%s\n", fnode_sess->portal_type); 78641e9e2be3SAdheer Chandravanshi break; 78651e9e2be3SAdheer Chandravanshi case ISCSI_FLASHNODE_AUTO_SND_TGT_DISABLE: 78661e9e2be3SAdheer Chandravanshi rc = sprintf(buf, "%u\n", fnode_sess->auto_snd_tgt_disable); 78671e9e2be3SAdheer Chandravanshi break; 78681e9e2be3SAdheer Chandravanshi case ISCSI_FLASHNODE_DISCOVERY_SESS: 78691e9e2be3SAdheer Chandravanshi rc = sprintf(buf, "%u\n", fnode_sess->discovery_sess); 78701e9e2be3SAdheer Chandravanshi break; 78711e9e2be3SAdheer Chandravanshi case ISCSI_FLASHNODE_ENTRY_EN: 78721e9e2be3SAdheer Chandravanshi rc = sprintf(buf, "%u\n", fnode_sess->entry_state); 78731e9e2be3SAdheer Chandravanshi break; 78741e9e2be3SAdheer Chandravanshi case ISCSI_FLASHNODE_HDR_DGST_EN: 78751e9e2be3SAdheer Chandravanshi rc = sprintf(buf, "%u\n", fnode_conn->hdrdgst_en); 78761e9e2be3SAdheer Chandravanshi break; 78771e9e2be3SAdheer Chandravanshi case ISCSI_FLASHNODE_DATA_DGST_EN: 78781e9e2be3SAdheer Chandravanshi rc = sprintf(buf, "%u\n", fnode_conn->datadgst_en); 78791e9e2be3SAdheer Chandravanshi break; 78801e9e2be3SAdheer Chandravanshi case ISCSI_FLASHNODE_IMM_DATA_EN: 78811e9e2be3SAdheer Chandravanshi rc = sprintf(buf, "%u\n", fnode_sess->imm_data_en); 78821e9e2be3SAdheer Chandravanshi break; 78831e9e2be3SAdheer Chandravanshi case ISCSI_FLASHNODE_INITIAL_R2T_EN: 78841e9e2be3SAdheer Chandravanshi rc = sprintf(buf, "%u\n", fnode_sess->initial_r2t_en); 78851e9e2be3SAdheer Chandravanshi break; 78861e9e2be3SAdheer Chandravanshi case ISCSI_FLASHNODE_DATASEQ_INORDER: 78871e9e2be3SAdheer Chandravanshi rc = sprintf(buf, "%u\n", fnode_sess->dataseq_inorder_en); 78881e9e2be3SAdheer Chandravanshi break; 78891e9e2be3SAdheer Chandravanshi case ISCSI_FLASHNODE_PDU_INORDER: 78901e9e2be3SAdheer Chandravanshi rc = sprintf(buf, "%u\n", fnode_sess->pdu_inorder_en); 78911e9e2be3SAdheer Chandravanshi break; 78921e9e2be3SAdheer Chandravanshi case ISCSI_FLASHNODE_CHAP_AUTH_EN: 78931e9e2be3SAdheer Chandravanshi rc = sprintf(buf, "%u\n", fnode_sess->chap_auth_en); 78941e9e2be3SAdheer Chandravanshi break; 78951e9e2be3SAdheer Chandravanshi case ISCSI_FLASHNODE_SNACK_REQ_EN: 78961e9e2be3SAdheer Chandravanshi rc = sprintf(buf, "%u\n", fnode_conn->snack_req_en); 78971e9e2be3SAdheer Chandravanshi break; 78981e9e2be3SAdheer Chandravanshi case ISCSI_FLASHNODE_DISCOVERY_LOGOUT_EN: 78991e9e2be3SAdheer Chandravanshi rc = sprintf(buf, "%u\n", fnode_sess->discovery_logout_en); 79001e9e2be3SAdheer Chandravanshi break; 79011e9e2be3SAdheer Chandravanshi case ISCSI_FLASHNODE_BIDI_CHAP_EN: 79021e9e2be3SAdheer Chandravanshi rc = sprintf(buf, "%u\n", fnode_sess->bidi_chap_en); 79031e9e2be3SAdheer Chandravanshi break; 79041e9e2be3SAdheer Chandravanshi case ISCSI_FLASHNODE_DISCOVERY_AUTH_OPTIONAL: 79051e9e2be3SAdheer Chandravanshi rc = sprintf(buf, "%u\n", fnode_sess->discovery_auth_optional); 79061e9e2be3SAdheer Chandravanshi break; 79071e9e2be3SAdheer Chandravanshi case ISCSI_FLASHNODE_ERL: 79081e9e2be3SAdheer Chandravanshi rc = sprintf(buf, "%u\n", fnode_sess->erl); 79091e9e2be3SAdheer Chandravanshi break; 79101e9e2be3SAdheer Chandravanshi case ISCSI_FLASHNODE_TCP_TIMESTAMP_STAT: 79111e9e2be3SAdheer Chandravanshi rc = sprintf(buf, "%u\n", fnode_conn->tcp_timestamp_stat); 79121e9e2be3SAdheer Chandravanshi break; 79131e9e2be3SAdheer Chandravanshi case ISCSI_FLASHNODE_TCP_NAGLE_DISABLE: 79141e9e2be3SAdheer Chandravanshi rc = sprintf(buf, "%u\n", fnode_conn->tcp_nagle_disable); 79151e9e2be3SAdheer Chandravanshi break; 79161e9e2be3SAdheer Chandravanshi case ISCSI_FLASHNODE_TCP_WSF_DISABLE: 79171e9e2be3SAdheer Chandravanshi rc = sprintf(buf, "%u\n", fnode_conn->tcp_wsf_disable); 79181e9e2be3SAdheer Chandravanshi break; 79191e9e2be3SAdheer Chandravanshi case ISCSI_FLASHNODE_TCP_TIMER_SCALE: 79201e9e2be3SAdheer Chandravanshi rc = sprintf(buf, "%u\n", fnode_conn->tcp_timer_scale); 79211e9e2be3SAdheer Chandravanshi break; 79221e9e2be3SAdheer Chandravanshi case ISCSI_FLASHNODE_TCP_TIMESTAMP_EN: 79231e9e2be3SAdheer Chandravanshi rc = sprintf(buf, "%u\n", fnode_conn->tcp_timestamp_en); 79241e9e2be3SAdheer Chandravanshi break; 79251e9e2be3SAdheer Chandravanshi case ISCSI_FLASHNODE_IP_FRAG_DISABLE: 79261e9e2be3SAdheer Chandravanshi rc = sprintf(buf, "%u\n", fnode_conn->fragment_disable); 79271e9e2be3SAdheer Chandravanshi break; 79281e9e2be3SAdheer Chandravanshi case ISCSI_FLASHNODE_MAX_RECV_DLENGTH: 79291e9e2be3SAdheer Chandravanshi rc = sprintf(buf, "%u\n", fnode_conn->max_recv_dlength); 79301e9e2be3SAdheer Chandravanshi break; 79311e9e2be3SAdheer Chandravanshi case ISCSI_FLASHNODE_MAX_XMIT_DLENGTH: 79321e9e2be3SAdheer Chandravanshi rc = sprintf(buf, "%u\n", fnode_conn->max_xmit_dlength); 79331e9e2be3SAdheer Chandravanshi break; 79341e9e2be3SAdheer Chandravanshi case ISCSI_FLASHNODE_FIRST_BURST: 79351e9e2be3SAdheer Chandravanshi rc = sprintf(buf, "%u\n", fnode_sess->first_burst); 79361e9e2be3SAdheer Chandravanshi break; 79371e9e2be3SAdheer Chandravanshi case ISCSI_FLASHNODE_DEF_TIME2WAIT: 79381e9e2be3SAdheer Chandravanshi rc = sprintf(buf, "%u\n", fnode_sess->time2wait); 79391e9e2be3SAdheer Chandravanshi break; 79401e9e2be3SAdheer Chandravanshi case ISCSI_FLASHNODE_DEF_TIME2RETAIN: 79411e9e2be3SAdheer Chandravanshi rc = sprintf(buf, "%u\n", fnode_sess->time2retain); 79421e9e2be3SAdheer Chandravanshi break; 79431e9e2be3SAdheer Chandravanshi case ISCSI_FLASHNODE_MAX_R2T: 79441e9e2be3SAdheer Chandravanshi rc = sprintf(buf, "%u\n", fnode_sess->max_r2t); 79451e9e2be3SAdheer Chandravanshi break; 79461e9e2be3SAdheer Chandravanshi case ISCSI_FLASHNODE_KEEPALIVE_TMO: 79471e9e2be3SAdheer Chandravanshi rc = sprintf(buf, "%u\n", fnode_conn->keepalive_timeout); 79481e9e2be3SAdheer Chandravanshi break; 79491e9e2be3SAdheer Chandravanshi case ISCSI_FLASHNODE_ISID: 7950d1d81bd0SOleksandr Khoshaba rc = sprintf(buf, "%pm\n", fnode_sess->isid); 79511e9e2be3SAdheer Chandravanshi break; 79521e9e2be3SAdheer Chandravanshi case ISCSI_FLASHNODE_TSID: 79531e9e2be3SAdheer Chandravanshi rc = sprintf(buf, "%u\n", fnode_sess->tsid); 79541e9e2be3SAdheer Chandravanshi break; 79551e9e2be3SAdheer Chandravanshi case ISCSI_FLASHNODE_PORT: 79561e9e2be3SAdheer Chandravanshi rc = sprintf(buf, "%d\n", fnode_conn->port); 79571e9e2be3SAdheer Chandravanshi break; 79581e9e2be3SAdheer Chandravanshi case ISCSI_FLASHNODE_MAX_BURST: 79591e9e2be3SAdheer Chandravanshi rc = sprintf(buf, "%u\n", fnode_sess->max_burst); 79601e9e2be3SAdheer Chandravanshi break; 79611e9e2be3SAdheer Chandravanshi case ISCSI_FLASHNODE_DEF_TASKMGMT_TMO: 79621e9e2be3SAdheer Chandravanshi rc = sprintf(buf, "%u\n", 79631e9e2be3SAdheer Chandravanshi fnode_sess->default_taskmgmt_timeout); 79641e9e2be3SAdheer Chandravanshi break; 79651e9e2be3SAdheer Chandravanshi case ISCSI_FLASHNODE_IPADDR: 7966c962c18bSAdheer Chandravanshi if (!strncmp(fnode_sess->portal_type, PORTAL_TYPE_IPV6, 4)) 79671e9e2be3SAdheer Chandravanshi rc = sprintf(buf, "%pI6\n", fnode_conn->ipaddress); 79681e9e2be3SAdheer Chandravanshi else 79691e9e2be3SAdheer Chandravanshi rc = sprintf(buf, "%pI4\n", fnode_conn->ipaddress); 79701e9e2be3SAdheer Chandravanshi break; 79711e9e2be3SAdheer Chandravanshi case ISCSI_FLASHNODE_ALIAS: 79721e9e2be3SAdheer Chandravanshi if (fnode_sess->targetalias) 79731e9e2be3SAdheer Chandravanshi rc = sprintf(buf, "%s\n", fnode_sess->targetalias); 79741e9e2be3SAdheer Chandravanshi else 79751e9e2be3SAdheer Chandravanshi rc = sprintf(buf, "\n"); 79761e9e2be3SAdheer Chandravanshi break; 79771e9e2be3SAdheer Chandravanshi case ISCSI_FLASHNODE_REDIRECT_IPADDR: 7978c962c18bSAdheer Chandravanshi if (!strncmp(fnode_sess->portal_type, PORTAL_TYPE_IPV6, 4)) 79791e9e2be3SAdheer Chandravanshi rc = sprintf(buf, "%pI6\n", 79801e9e2be3SAdheer Chandravanshi fnode_conn->redirect_ipaddr); 79811e9e2be3SAdheer Chandravanshi else 79821e9e2be3SAdheer Chandravanshi rc = sprintf(buf, "%pI4\n", 79831e9e2be3SAdheer Chandravanshi fnode_conn->redirect_ipaddr); 79841e9e2be3SAdheer Chandravanshi break; 79851e9e2be3SAdheer Chandravanshi case ISCSI_FLASHNODE_MAX_SEGMENT_SIZE: 79861e9e2be3SAdheer Chandravanshi rc = sprintf(buf, "%u\n", fnode_conn->max_segment_size); 79871e9e2be3SAdheer Chandravanshi break; 79881e9e2be3SAdheer Chandravanshi case ISCSI_FLASHNODE_LOCAL_PORT: 79891e9e2be3SAdheer Chandravanshi rc = sprintf(buf, "%u\n", fnode_conn->local_port); 79901e9e2be3SAdheer Chandravanshi break; 79911e9e2be3SAdheer Chandravanshi case ISCSI_FLASHNODE_IPV4_TOS: 79921e9e2be3SAdheer Chandravanshi rc = sprintf(buf, "%u\n", fnode_conn->ipv4_tos); 79931e9e2be3SAdheer Chandravanshi break; 79941e9e2be3SAdheer Chandravanshi case ISCSI_FLASHNODE_IPV6_TC: 7995c962c18bSAdheer Chandravanshi if (!strncmp(fnode_sess->portal_type, PORTAL_TYPE_IPV6, 4)) 79961e9e2be3SAdheer Chandravanshi rc = sprintf(buf, "%u\n", 79971e9e2be3SAdheer Chandravanshi fnode_conn->ipv6_traffic_class); 79981e9e2be3SAdheer Chandravanshi else 79991e9e2be3SAdheer Chandravanshi rc = sprintf(buf, "\n"); 80001e9e2be3SAdheer Chandravanshi break; 80011e9e2be3SAdheer Chandravanshi case ISCSI_FLASHNODE_IPV6_FLOW_LABEL: 80021e9e2be3SAdheer Chandravanshi rc = sprintf(buf, "%u\n", fnode_conn->ipv6_flow_label); 80031e9e2be3SAdheer Chandravanshi break; 80041e9e2be3SAdheer Chandravanshi case ISCSI_FLASHNODE_LINK_LOCAL_IPV6: 8005c962c18bSAdheer Chandravanshi if (!strncmp(fnode_sess->portal_type, PORTAL_TYPE_IPV6, 4)) 80061e9e2be3SAdheer Chandravanshi rc = sprintf(buf, "%pI6\n", 80071e9e2be3SAdheer Chandravanshi fnode_conn->link_local_ipv6_addr); 80081e9e2be3SAdheer Chandravanshi else 80091e9e2be3SAdheer Chandravanshi rc = sprintf(buf, "\n"); 80101e9e2be3SAdheer Chandravanshi break; 80111e9e2be3SAdheer Chandravanshi case ISCSI_FLASHNODE_DISCOVERY_PARENT_IDX: 8012a2f76636SAdheer Chandravanshi rc = sprintf(buf, "%u\n", fnode_sess->discovery_parent_idx); 80131e9e2be3SAdheer Chandravanshi break; 80141e9e2be3SAdheer Chandravanshi case ISCSI_FLASHNODE_DISCOVERY_PARENT_TYPE: 80151e9e2be3SAdheer Chandravanshi if (fnode_sess->discovery_parent_type == DDB_ISNS) 80161e9e2be3SAdheer Chandravanshi parent_type = ISCSI_DISC_PARENT_ISNS; 80171e9e2be3SAdheer Chandravanshi else if (fnode_sess->discovery_parent_type == DDB_NO_LINK) 80181e9e2be3SAdheer Chandravanshi parent_type = ISCSI_DISC_PARENT_UNKNOWN; 8019b6130ceaSVikas Chaudhary else if (fnode_sess->discovery_parent_type < MAX_DDB_ENTRIES) 80201e9e2be3SAdheer Chandravanshi parent_type = ISCSI_DISC_PARENT_SENDTGT; 80211e9e2be3SAdheer Chandravanshi else 80221e9e2be3SAdheer Chandravanshi parent_type = ISCSI_DISC_PARENT_UNKNOWN; 80231e9e2be3SAdheer Chandravanshi 80241e9e2be3SAdheer Chandravanshi rc = sprintf(buf, "%s\n", 80251e9e2be3SAdheer Chandravanshi iscsi_get_discovery_parent_name(parent_type)); 80261e9e2be3SAdheer Chandravanshi break; 80271e9e2be3SAdheer Chandravanshi case ISCSI_FLASHNODE_NAME: 80281e9e2be3SAdheer Chandravanshi if (fnode_sess->targetname) 80291e9e2be3SAdheer Chandravanshi rc = sprintf(buf, "%s\n", fnode_sess->targetname); 80301e9e2be3SAdheer Chandravanshi else 80311e9e2be3SAdheer Chandravanshi rc = sprintf(buf, "\n"); 80321e9e2be3SAdheer Chandravanshi break; 80331e9e2be3SAdheer Chandravanshi case ISCSI_FLASHNODE_TPGT: 80341e9e2be3SAdheer Chandravanshi rc = sprintf(buf, "%u\n", fnode_sess->tpgt); 80351e9e2be3SAdheer Chandravanshi break; 80361e9e2be3SAdheer Chandravanshi case ISCSI_FLASHNODE_TCP_XMIT_WSF: 80371e9e2be3SAdheer Chandravanshi rc = sprintf(buf, "%u\n", fnode_conn->tcp_xmit_wsf); 80381e9e2be3SAdheer Chandravanshi break; 80391e9e2be3SAdheer Chandravanshi case ISCSI_FLASHNODE_TCP_RECV_WSF: 80401e9e2be3SAdheer Chandravanshi rc = sprintf(buf, "%u\n", fnode_conn->tcp_recv_wsf); 80411e9e2be3SAdheer Chandravanshi break; 80421e9e2be3SAdheer Chandravanshi case ISCSI_FLASHNODE_CHAP_OUT_IDX: 80431e9e2be3SAdheer Chandravanshi rc = sprintf(buf, "%u\n", fnode_sess->chap_out_idx); 80441e9e2be3SAdheer Chandravanshi break; 80451e9e2be3SAdheer Chandravanshi case ISCSI_FLASHNODE_USERNAME: 80461e9e2be3SAdheer Chandravanshi if (fnode_sess->chap_auth_en) { 80471e9e2be3SAdheer Chandravanshi qla4xxx_get_uni_chap_at_index(ha, 80481e9e2be3SAdheer Chandravanshi chap_tbl.name, 80491e9e2be3SAdheer Chandravanshi chap_tbl.secret, 80501e9e2be3SAdheer Chandravanshi fnode_sess->chap_out_idx); 80511e9e2be3SAdheer Chandravanshi rc = sprintf(buf, "%s\n", chap_tbl.name); 80521e9e2be3SAdheer Chandravanshi } else { 80531e9e2be3SAdheer Chandravanshi rc = sprintf(buf, "\n"); 80541e9e2be3SAdheer Chandravanshi } 80551e9e2be3SAdheer Chandravanshi break; 80561e9e2be3SAdheer Chandravanshi case ISCSI_FLASHNODE_PASSWORD: 80571e9e2be3SAdheer Chandravanshi if (fnode_sess->chap_auth_en) { 80581e9e2be3SAdheer Chandravanshi qla4xxx_get_uni_chap_at_index(ha, 80591e9e2be3SAdheer Chandravanshi chap_tbl.name, 80601e9e2be3SAdheer Chandravanshi chap_tbl.secret, 80611e9e2be3SAdheer Chandravanshi fnode_sess->chap_out_idx); 80621e9e2be3SAdheer Chandravanshi rc = sprintf(buf, "%s\n", chap_tbl.secret); 80631e9e2be3SAdheer Chandravanshi } else { 80641e9e2be3SAdheer Chandravanshi rc = sprintf(buf, "\n"); 80651e9e2be3SAdheer Chandravanshi } 80661e9e2be3SAdheer Chandravanshi break; 80671e9e2be3SAdheer Chandravanshi case ISCSI_FLASHNODE_STATSN: 80681e9e2be3SAdheer Chandravanshi rc = sprintf(buf, "%u\n", fnode_conn->statsn); 80691e9e2be3SAdheer Chandravanshi break; 80701e9e2be3SAdheer Chandravanshi case ISCSI_FLASHNODE_EXP_STATSN: 80711e9e2be3SAdheer Chandravanshi rc = sprintf(buf, "%u\n", fnode_conn->exp_statsn); 80721e9e2be3SAdheer Chandravanshi break; 80731e9e2be3SAdheer Chandravanshi case ISCSI_FLASHNODE_IS_BOOT_TGT: 80741e9e2be3SAdheer Chandravanshi rc = sprintf(buf, "%u\n", fnode_sess->is_boot_target); 80751e9e2be3SAdheer Chandravanshi break; 80761e9e2be3SAdheer Chandravanshi default: 80771e9e2be3SAdheer Chandravanshi rc = -ENOSYS; 80781e9e2be3SAdheer Chandravanshi break; 80791e9e2be3SAdheer Chandravanshi } 80808526cb11SMike Christie 80818526cb11SMike Christie put_device(dev); 80821e9e2be3SAdheer Chandravanshi return rc; 80831e9e2be3SAdheer Chandravanshi } 80841e9e2be3SAdheer Chandravanshi 80851e9e2be3SAdheer Chandravanshi /** 80861e9e2be3SAdheer Chandravanshi * qla4xxx_sysfs_ddb_set_param - Set parameter for firmware DDB entry 80871e9e2be3SAdheer Chandravanshi * @fnode_sess: pointer to session attrs of flash ddb entry 80881e9e2be3SAdheer Chandravanshi * @fnode_conn: pointer to connection attrs of flash ddb entry 80891e9e2be3SAdheer Chandravanshi * @data: Parameters and their values to update 80901e9e2be3SAdheer Chandravanshi * @len: len of data 80911e9e2be3SAdheer Chandravanshi * 80921e9e2be3SAdheer Chandravanshi * This sets the parameter of flash ddb entry and writes them to flash 80931e9e2be3SAdheer Chandravanshi **/ 80941e9e2be3SAdheer Chandravanshi static int 80951e9e2be3SAdheer Chandravanshi qla4xxx_sysfs_ddb_set_param(struct iscsi_bus_flash_session *fnode_sess, 80961e9e2be3SAdheer Chandravanshi struct iscsi_bus_flash_conn *fnode_conn, 80971e9e2be3SAdheer Chandravanshi void *data, int len) 80981e9e2be3SAdheer Chandravanshi { 80991e9e2be3SAdheer Chandravanshi struct Scsi_Host *shost = iscsi_flash_session_to_shost(fnode_sess); 81001e9e2be3SAdheer Chandravanshi struct scsi_qla_host *ha = to_qla_host(shost); 81011e9e2be3SAdheer Chandravanshi struct iscsi_flashnode_param_info *fnode_param; 8102244c079bSAdheer Chandravanshi struct ql4_chap_table chap_tbl; 81031e9e2be3SAdheer Chandravanshi struct nlattr *attr; 8104244c079bSAdheer Chandravanshi uint16_t chap_out_idx = INVALID_ENTRY; 81051e9e2be3SAdheer Chandravanshi int rc = QLA_ERROR; 81061e9e2be3SAdheer Chandravanshi uint32_t rem = len; 81071e9e2be3SAdheer Chandravanshi 8108244c079bSAdheer Chandravanshi memset((void *)&chap_tbl, 0, sizeof(chap_tbl)); 81091e9e2be3SAdheer Chandravanshi nla_for_each_attr(attr, data, len, rem) { 81101e9e2be3SAdheer Chandravanshi fnode_param = nla_data(attr); 81111e9e2be3SAdheer Chandravanshi 81121e9e2be3SAdheer Chandravanshi switch (fnode_param->param) { 81131e9e2be3SAdheer Chandravanshi case ISCSI_FLASHNODE_IS_FW_ASSIGNED_IPV6: 81141e9e2be3SAdheer Chandravanshi fnode_conn->is_fw_assigned_ipv6 = fnode_param->value[0]; 81151e9e2be3SAdheer Chandravanshi break; 81161e9e2be3SAdheer Chandravanshi case ISCSI_FLASHNODE_PORTAL_TYPE: 81171e9e2be3SAdheer Chandravanshi memcpy(fnode_sess->portal_type, fnode_param->value, 81181e9e2be3SAdheer Chandravanshi strlen(fnode_sess->portal_type)); 81191e9e2be3SAdheer Chandravanshi break; 81201e9e2be3SAdheer Chandravanshi case ISCSI_FLASHNODE_AUTO_SND_TGT_DISABLE: 81211e9e2be3SAdheer Chandravanshi fnode_sess->auto_snd_tgt_disable = 81221e9e2be3SAdheer Chandravanshi fnode_param->value[0]; 81231e9e2be3SAdheer Chandravanshi break; 81241e9e2be3SAdheer Chandravanshi case ISCSI_FLASHNODE_DISCOVERY_SESS: 81251e9e2be3SAdheer Chandravanshi fnode_sess->discovery_sess = fnode_param->value[0]; 81261e9e2be3SAdheer Chandravanshi break; 81271e9e2be3SAdheer Chandravanshi case ISCSI_FLASHNODE_ENTRY_EN: 81281e9e2be3SAdheer Chandravanshi fnode_sess->entry_state = fnode_param->value[0]; 81291e9e2be3SAdheer Chandravanshi break; 81301e9e2be3SAdheer Chandravanshi case ISCSI_FLASHNODE_HDR_DGST_EN: 81311e9e2be3SAdheer Chandravanshi fnode_conn->hdrdgst_en = fnode_param->value[0]; 81321e9e2be3SAdheer Chandravanshi break; 81331e9e2be3SAdheer Chandravanshi case ISCSI_FLASHNODE_DATA_DGST_EN: 81341e9e2be3SAdheer Chandravanshi fnode_conn->datadgst_en = fnode_param->value[0]; 81351e9e2be3SAdheer Chandravanshi break; 81361e9e2be3SAdheer Chandravanshi case ISCSI_FLASHNODE_IMM_DATA_EN: 81371e9e2be3SAdheer Chandravanshi fnode_sess->imm_data_en = fnode_param->value[0]; 81381e9e2be3SAdheer Chandravanshi break; 81391e9e2be3SAdheer Chandravanshi case ISCSI_FLASHNODE_INITIAL_R2T_EN: 81401e9e2be3SAdheer Chandravanshi fnode_sess->initial_r2t_en = fnode_param->value[0]; 81411e9e2be3SAdheer Chandravanshi break; 81421e9e2be3SAdheer Chandravanshi case ISCSI_FLASHNODE_DATASEQ_INORDER: 81431e9e2be3SAdheer Chandravanshi fnode_sess->dataseq_inorder_en = fnode_param->value[0]; 81441e9e2be3SAdheer Chandravanshi break; 81451e9e2be3SAdheer Chandravanshi case ISCSI_FLASHNODE_PDU_INORDER: 81461e9e2be3SAdheer Chandravanshi fnode_sess->pdu_inorder_en = fnode_param->value[0]; 81471e9e2be3SAdheer Chandravanshi break; 81481e9e2be3SAdheer Chandravanshi case ISCSI_FLASHNODE_CHAP_AUTH_EN: 81491e9e2be3SAdheer Chandravanshi fnode_sess->chap_auth_en = fnode_param->value[0]; 8150244c079bSAdheer Chandravanshi /* Invalidate chap index if chap auth is disabled */ 8151244c079bSAdheer Chandravanshi if (!fnode_sess->chap_auth_en) 8152244c079bSAdheer Chandravanshi fnode_sess->chap_out_idx = INVALID_ENTRY; 8153244c079bSAdheer Chandravanshi 81541e9e2be3SAdheer Chandravanshi break; 81551e9e2be3SAdheer Chandravanshi case ISCSI_FLASHNODE_SNACK_REQ_EN: 81561e9e2be3SAdheer Chandravanshi fnode_conn->snack_req_en = fnode_param->value[0]; 81571e9e2be3SAdheer Chandravanshi break; 81581e9e2be3SAdheer Chandravanshi case ISCSI_FLASHNODE_DISCOVERY_LOGOUT_EN: 81591e9e2be3SAdheer Chandravanshi fnode_sess->discovery_logout_en = fnode_param->value[0]; 81601e9e2be3SAdheer Chandravanshi break; 81611e9e2be3SAdheer Chandravanshi case ISCSI_FLASHNODE_BIDI_CHAP_EN: 81621e9e2be3SAdheer Chandravanshi fnode_sess->bidi_chap_en = fnode_param->value[0]; 81631e9e2be3SAdheer Chandravanshi break; 81641e9e2be3SAdheer Chandravanshi case ISCSI_FLASHNODE_DISCOVERY_AUTH_OPTIONAL: 81651e9e2be3SAdheer Chandravanshi fnode_sess->discovery_auth_optional = 81661e9e2be3SAdheer Chandravanshi fnode_param->value[0]; 81671e9e2be3SAdheer Chandravanshi break; 81681e9e2be3SAdheer Chandravanshi case ISCSI_FLASHNODE_ERL: 81691e9e2be3SAdheer Chandravanshi fnode_sess->erl = fnode_param->value[0]; 81701e9e2be3SAdheer Chandravanshi break; 81711e9e2be3SAdheer Chandravanshi case ISCSI_FLASHNODE_TCP_TIMESTAMP_STAT: 81721e9e2be3SAdheer Chandravanshi fnode_conn->tcp_timestamp_stat = fnode_param->value[0]; 81731e9e2be3SAdheer Chandravanshi break; 81741e9e2be3SAdheer Chandravanshi case ISCSI_FLASHNODE_TCP_NAGLE_DISABLE: 81751e9e2be3SAdheer Chandravanshi fnode_conn->tcp_nagle_disable = fnode_param->value[0]; 81761e9e2be3SAdheer Chandravanshi break; 81771e9e2be3SAdheer Chandravanshi case ISCSI_FLASHNODE_TCP_WSF_DISABLE: 81781e9e2be3SAdheer Chandravanshi fnode_conn->tcp_wsf_disable = fnode_param->value[0]; 81791e9e2be3SAdheer Chandravanshi break; 81801e9e2be3SAdheer Chandravanshi case ISCSI_FLASHNODE_TCP_TIMER_SCALE: 81811e9e2be3SAdheer Chandravanshi fnode_conn->tcp_timer_scale = fnode_param->value[0]; 81821e9e2be3SAdheer Chandravanshi break; 81831e9e2be3SAdheer Chandravanshi case ISCSI_FLASHNODE_TCP_TIMESTAMP_EN: 81841e9e2be3SAdheer Chandravanshi fnode_conn->tcp_timestamp_en = fnode_param->value[0]; 81851e9e2be3SAdheer Chandravanshi break; 81861e9e2be3SAdheer Chandravanshi case ISCSI_FLASHNODE_IP_FRAG_DISABLE: 81871e9e2be3SAdheer Chandravanshi fnode_conn->fragment_disable = fnode_param->value[0]; 81881e9e2be3SAdheer Chandravanshi break; 81891e9e2be3SAdheer Chandravanshi case ISCSI_FLASHNODE_MAX_RECV_DLENGTH: 81901e9e2be3SAdheer Chandravanshi fnode_conn->max_recv_dlength = 81911e9e2be3SAdheer Chandravanshi *(unsigned *)fnode_param->value; 81921e9e2be3SAdheer Chandravanshi break; 81931e9e2be3SAdheer Chandravanshi case ISCSI_FLASHNODE_MAX_XMIT_DLENGTH: 81941e9e2be3SAdheer Chandravanshi fnode_conn->max_xmit_dlength = 81951e9e2be3SAdheer Chandravanshi *(unsigned *)fnode_param->value; 81961e9e2be3SAdheer Chandravanshi break; 81971e9e2be3SAdheer Chandravanshi case ISCSI_FLASHNODE_FIRST_BURST: 81981e9e2be3SAdheer Chandravanshi fnode_sess->first_burst = 81991e9e2be3SAdheer Chandravanshi *(unsigned *)fnode_param->value; 82001e9e2be3SAdheer Chandravanshi break; 82011e9e2be3SAdheer Chandravanshi case ISCSI_FLASHNODE_DEF_TIME2WAIT: 82021e9e2be3SAdheer Chandravanshi fnode_sess->time2wait = *(uint16_t *)fnode_param->value; 82031e9e2be3SAdheer Chandravanshi break; 82041e9e2be3SAdheer Chandravanshi case ISCSI_FLASHNODE_DEF_TIME2RETAIN: 82051e9e2be3SAdheer Chandravanshi fnode_sess->time2retain = 82061e9e2be3SAdheer Chandravanshi *(uint16_t *)fnode_param->value; 82071e9e2be3SAdheer Chandravanshi break; 82081e9e2be3SAdheer Chandravanshi case ISCSI_FLASHNODE_MAX_R2T: 82091e9e2be3SAdheer Chandravanshi fnode_sess->max_r2t = 82101e9e2be3SAdheer Chandravanshi *(uint16_t *)fnode_param->value; 82111e9e2be3SAdheer Chandravanshi break; 82121e9e2be3SAdheer Chandravanshi case ISCSI_FLASHNODE_KEEPALIVE_TMO: 82131e9e2be3SAdheer Chandravanshi fnode_conn->keepalive_timeout = 82141e9e2be3SAdheer Chandravanshi *(uint16_t *)fnode_param->value; 82151e9e2be3SAdheer Chandravanshi break; 82161e9e2be3SAdheer Chandravanshi case ISCSI_FLASHNODE_ISID: 82171e9e2be3SAdheer Chandravanshi memcpy(fnode_sess->isid, fnode_param->value, 82181e9e2be3SAdheer Chandravanshi sizeof(fnode_sess->isid)); 82191e9e2be3SAdheer Chandravanshi break; 82201e9e2be3SAdheer Chandravanshi case ISCSI_FLASHNODE_TSID: 82211e9e2be3SAdheer Chandravanshi fnode_sess->tsid = *(uint16_t *)fnode_param->value; 82221e9e2be3SAdheer Chandravanshi break; 82231e9e2be3SAdheer Chandravanshi case ISCSI_FLASHNODE_PORT: 82241e9e2be3SAdheer Chandravanshi fnode_conn->port = *(uint16_t *)fnode_param->value; 82251e9e2be3SAdheer Chandravanshi break; 82261e9e2be3SAdheer Chandravanshi case ISCSI_FLASHNODE_MAX_BURST: 82271e9e2be3SAdheer Chandravanshi fnode_sess->max_burst = *(unsigned *)fnode_param->value; 82281e9e2be3SAdheer Chandravanshi break; 82291e9e2be3SAdheer Chandravanshi case ISCSI_FLASHNODE_DEF_TASKMGMT_TMO: 82301e9e2be3SAdheer Chandravanshi fnode_sess->default_taskmgmt_timeout = 82311e9e2be3SAdheer Chandravanshi *(uint16_t *)fnode_param->value; 82321e9e2be3SAdheer Chandravanshi break; 82331e9e2be3SAdheer Chandravanshi case ISCSI_FLASHNODE_IPADDR: 82341e9e2be3SAdheer Chandravanshi memcpy(fnode_conn->ipaddress, fnode_param->value, 82351e9e2be3SAdheer Chandravanshi IPv6_ADDR_LEN); 82361e9e2be3SAdheer Chandravanshi break; 82371e9e2be3SAdheer Chandravanshi case ISCSI_FLASHNODE_ALIAS: 82381e9e2be3SAdheer Chandravanshi rc = iscsi_switch_str_param(&fnode_sess->targetalias, 82391e9e2be3SAdheer Chandravanshi (char *)fnode_param->value); 82401e9e2be3SAdheer Chandravanshi break; 82411e9e2be3SAdheer Chandravanshi case ISCSI_FLASHNODE_REDIRECT_IPADDR: 82421e9e2be3SAdheer Chandravanshi memcpy(fnode_conn->redirect_ipaddr, fnode_param->value, 82431e9e2be3SAdheer Chandravanshi IPv6_ADDR_LEN); 82441e9e2be3SAdheer Chandravanshi break; 82451e9e2be3SAdheer Chandravanshi case ISCSI_FLASHNODE_MAX_SEGMENT_SIZE: 82461e9e2be3SAdheer Chandravanshi fnode_conn->max_segment_size = 82471e9e2be3SAdheer Chandravanshi *(unsigned *)fnode_param->value; 82481e9e2be3SAdheer Chandravanshi break; 82491e9e2be3SAdheer Chandravanshi case ISCSI_FLASHNODE_LOCAL_PORT: 82501e9e2be3SAdheer Chandravanshi fnode_conn->local_port = 82511e9e2be3SAdheer Chandravanshi *(uint16_t *)fnode_param->value; 82521e9e2be3SAdheer Chandravanshi break; 82531e9e2be3SAdheer Chandravanshi case ISCSI_FLASHNODE_IPV4_TOS: 82541e9e2be3SAdheer Chandravanshi fnode_conn->ipv4_tos = fnode_param->value[0]; 82551e9e2be3SAdheer Chandravanshi break; 82561e9e2be3SAdheer Chandravanshi case ISCSI_FLASHNODE_IPV6_TC: 82571e9e2be3SAdheer Chandravanshi fnode_conn->ipv6_traffic_class = fnode_param->value[0]; 82581e9e2be3SAdheer Chandravanshi break; 82591e9e2be3SAdheer Chandravanshi case ISCSI_FLASHNODE_IPV6_FLOW_LABEL: 82601e9e2be3SAdheer Chandravanshi fnode_conn->ipv6_flow_label = fnode_param->value[0]; 82611e9e2be3SAdheer Chandravanshi break; 82621e9e2be3SAdheer Chandravanshi case ISCSI_FLASHNODE_NAME: 82631e9e2be3SAdheer Chandravanshi rc = iscsi_switch_str_param(&fnode_sess->targetname, 82641e9e2be3SAdheer Chandravanshi (char *)fnode_param->value); 82651e9e2be3SAdheer Chandravanshi break; 82661e9e2be3SAdheer Chandravanshi case ISCSI_FLASHNODE_TPGT: 82671e9e2be3SAdheer Chandravanshi fnode_sess->tpgt = *(uint16_t *)fnode_param->value; 82681e9e2be3SAdheer Chandravanshi break; 82691e9e2be3SAdheer Chandravanshi case ISCSI_FLASHNODE_LINK_LOCAL_IPV6: 82701e9e2be3SAdheer Chandravanshi memcpy(fnode_conn->link_local_ipv6_addr, 82711e9e2be3SAdheer Chandravanshi fnode_param->value, IPv6_ADDR_LEN); 82721e9e2be3SAdheer Chandravanshi break; 827365560166SAdheer Chandravanshi case ISCSI_FLASHNODE_DISCOVERY_PARENT_IDX: 827465560166SAdheer Chandravanshi fnode_sess->discovery_parent_idx = 82751e9e2be3SAdheer Chandravanshi *(uint16_t *)fnode_param->value; 82761e9e2be3SAdheer Chandravanshi break; 82771e9e2be3SAdheer Chandravanshi case ISCSI_FLASHNODE_TCP_XMIT_WSF: 82781e9e2be3SAdheer Chandravanshi fnode_conn->tcp_xmit_wsf = 82791e9e2be3SAdheer Chandravanshi *(uint8_t *)fnode_param->value; 82801e9e2be3SAdheer Chandravanshi break; 82811e9e2be3SAdheer Chandravanshi case ISCSI_FLASHNODE_TCP_RECV_WSF: 82821e9e2be3SAdheer Chandravanshi fnode_conn->tcp_recv_wsf = 82831e9e2be3SAdheer Chandravanshi *(uint8_t *)fnode_param->value; 82841e9e2be3SAdheer Chandravanshi break; 82851e9e2be3SAdheer Chandravanshi case ISCSI_FLASHNODE_STATSN: 82861e9e2be3SAdheer Chandravanshi fnode_conn->statsn = *(uint32_t *)fnode_param->value; 82871e9e2be3SAdheer Chandravanshi break; 82881e9e2be3SAdheer Chandravanshi case ISCSI_FLASHNODE_EXP_STATSN: 82891e9e2be3SAdheer Chandravanshi fnode_conn->exp_statsn = 82901e9e2be3SAdheer Chandravanshi *(uint32_t *)fnode_param->value; 82911e9e2be3SAdheer Chandravanshi break; 8292244c079bSAdheer Chandravanshi case ISCSI_FLASHNODE_CHAP_OUT_IDX: 8293244c079bSAdheer Chandravanshi chap_out_idx = *(uint16_t *)fnode_param->value; 8294244c079bSAdheer Chandravanshi if (!qla4xxx_get_uni_chap_at_index(ha, 8295244c079bSAdheer Chandravanshi chap_tbl.name, 8296244c079bSAdheer Chandravanshi chap_tbl.secret, 8297244c079bSAdheer Chandravanshi chap_out_idx)) { 8298244c079bSAdheer Chandravanshi fnode_sess->chap_out_idx = chap_out_idx; 8299244c079bSAdheer Chandravanshi /* Enable chap auth if chap index is valid */ 8300244c079bSAdheer Chandravanshi fnode_sess->chap_auth_en = QL4_PARAM_ENABLE; 8301244c079bSAdheer Chandravanshi } 8302244c079bSAdheer Chandravanshi break; 83031e9e2be3SAdheer Chandravanshi default: 83041e9e2be3SAdheer Chandravanshi ql4_printk(KERN_ERR, ha, 83051e9e2be3SAdheer Chandravanshi "%s: No such sysfs attribute\n", __func__); 83061e9e2be3SAdheer Chandravanshi rc = -ENOSYS; 83071e9e2be3SAdheer Chandravanshi goto exit_set_param; 83081e9e2be3SAdheer Chandravanshi } 83091e9e2be3SAdheer Chandravanshi } 83101e9e2be3SAdheer Chandravanshi 83111e9e2be3SAdheer Chandravanshi rc = qla4xxx_sysfs_ddb_apply(fnode_sess, fnode_conn); 83121e9e2be3SAdheer Chandravanshi 83131e9e2be3SAdheer Chandravanshi exit_set_param: 83141e9e2be3SAdheer Chandravanshi return rc; 83151e9e2be3SAdheer Chandravanshi } 83161e9e2be3SAdheer Chandravanshi 83171e9e2be3SAdheer Chandravanshi /** 83181e9e2be3SAdheer Chandravanshi * qla4xxx_sysfs_ddb_delete - Delete firmware DDB entry 83191e9e2be3SAdheer Chandravanshi * @fnode_sess: pointer to session attrs of flash ddb entry 83201e9e2be3SAdheer Chandravanshi * 83211e9e2be3SAdheer Chandravanshi * This invalidates the flash ddb entry at the given index 83221e9e2be3SAdheer Chandravanshi **/ 83231e9e2be3SAdheer Chandravanshi static int qla4xxx_sysfs_ddb_delete(struct iscsi_bus_flash_session *fnode_sess) 83241e9e2be3SAdheer Chandravanshi { 83251e9e2be3SAdheer Chandravanshi struct Scsi_Host *shost = iscsi_flash_session_to_shost(fnode_sess); 83261e9e2be3SAdheer Chandravanshi struct scsi_qla_host *ha = to_qla_host(shost); 83271e9e2be3SAdheer Chandravanshi uint32_t dev_db_start_offset; 83281e9e2be3SAdheer Chandravanshi uint32_t dev_db_end_offset; 83291e9e2be3SAdheer Chandravanshi struct dev_db_entry *fw_ddb_entry = NULL; 83301e9e2be3SAdheer Chandravanshi dma_addr_t fw_ddb_entry_dma; 83311e9e2be3SAdheer Chandravanshi uint16_t *ddb_cookie = NULL; 8332b6130ceaSVikas Chaudhary size_t ddb_size = 0; 8333039acc1eSAdheer Chandravanshi void *pddb = NULL; 83341e9e2be3SAdheer Chandravanshi int target_id; 83351e9e2be3SAdheer Chandravanshi int rc = 0; 83361e9e2be3SAdheer Chandravanshi 83371e9e2be3SAdheer Chandravanshi if (fnode_sess->is_boot_target) { 83381e9e2be3SAdheer Chandravanshi rc = -EPERM; 83391e9e2be3SAdheer Chandravanshi DEBUG2(ql4_printk(KERN_ERR, ha, 83401e9e2be3SAdheer Chandravanshi "%s: Deletion of boot target entry is not permitted.\n", 83411e9e2be3SAdheer Chandravanshi __func__)); 83421e9e2be3SAdheer Chandravanshi goto exit_ddb_del; 83431e9e2be3SAdheer Chandravanshi } 83441e9e2be3SAdheer Chandravanshi 83451e9e2be3SAdheer Chandravanshi if (fnode_sess->flash_state == DEV_DB_NON_PERSISTENT) 83461e9e2be3SAdheer Chandravanshi goto sysfs_ddb_del; 83471e9e2be3SAdheer Chandravanshi 83481e9e2be3SAdheer Chandravanshi if (is_qla40XX(ha)) { 83491e9e2be3SAdheer Chandravanshi dev_db_start_offset = FLASH_OFFSET_DB_INFO; 8350039acc1eSAdheer Chandravanshi dev_db_end_offset = FLASH_OFFSET_DB_END; 8351039acc1eSAdheer Chandravanshi dev_db_start_offset += (fnode_sess->target_id * 8352039acc1eSAdheer Chandravanshi sizeof(*fw_ddb_entry)); 8353039acc1eSAdheer Chandravanshi ddb_size = sizeof(*fw_ddb_entry); 83541e9e2be3SAdheer Chandravanshi } else { 83551e9e2be3SAdheer Chandravanshi dev_db_start_offset = FLASH_RAW_ACCESS_ADDR + 83561e9e2be3SAdheer Chandravanshi (ha->hw.flt_region_ddb << 2); 83571e9e2be3SAdheer Chandravanshi /* flt_ddb_size is DDB table size for both ports 83581e9e2be3SAdheer Chandravanshi * so divide it by 2 to calculate the offset for second port 83591e9e2be3SAdheer Chandravanshi */ 83601e9e2be3SAdheer Chandravanshi if (ha->port_num == 1) 83611e9e2be3SAdheer Chandravanshi dev_db_start_offset += (ha->hw.flt_ddb_size / 2); 83621e9e2be3SAdheer Chandravanshi 8363039acc1eSAdheer Chandravanshi dev_db_end_offset = dev_db_start_offset + 8364039acc1eSAdheer Chandravanshi (ha->hw.flt_ddb_size / 2); 8365039acc1eSAdheer Chandravanshi 8366039acc1eSAdheer Chandravanshi dev_db_start_offset += (fnode_sess->target_id * 8367039acc1eSAdheer Chandravanshi sizeof(*fw_ddb_entry)); 83681bcb5619SAdheer Chandravanshi dev_db_start_offset += offsetof(struct dev_db_entry, cookie); 83691e9e2be3SAdheer Chandravanshi 8370039acc1eSAdheer Chandravanshi ddb_size = sizeof(*ddb_cookie); 8371039acc1eSAdheer Chandravanshi } 8372039acc1eSAdheer Chandravanshi 83731e9e2be3SAdheer Chandravanshi DEBUG2(ql4_printk(KERN_ERR, ha, "%s: start offset=%u, end offset=%u\n", 83741e9e2be3SAdheer Chandravanshi __func__, dev_db_start_offset, dev_db_end_offset)); 83751e9e2be3SAdheer Chandravanshi 83761e9e2be3SAdheer Chandravanshi if (dev_db_start_offset > dev_db_end_offset) { 83771e9e2be3SAdheer Chandravanshi rc = -EIO; 83781e9e2be3SAdheer Chandravanshi DEBUG2(ql4_printk(KERN_ERR, ha, "%s:Invalid DDB index %u\n", 83791e9e2be3SAdheer Chandravanshi __func__, fnode_sess->target_id)); 83801e9e2be3SAdheer Chandravanshi goto exit_ddb_del; 83811e9e2be3SAdheer Chandravanshi } 83821e9e2be3SAdheer Chandravanshi 8383039acc1eSAdheer Chandravanshi pddb = dma_alloc_coherent(&ha->pdev->dev, ddb_size, 8384039acc1eSAdheer Chandravanshi &fw_ddb_entry_dma, GFP_KERNEL); 8385039acc1eSAdheer Chandravanshi if (!pddb) { 8386039acc1eSAdheer Chandravanshi rc = -ENOMEM; 8387039acc1eSAdheer Chandravanshi DEBUG2(ql4_printk(KERN_ERR, ha, 8388039acc1eSAdheer Chandravanshi "%s: Unable to allocate dma buffer\n", 8389039acc1eSAdheer Chandravanshi __func__)); 8390039acc1eSAdheer Chandravanshi goto exit_ddb_del; 8391039acc1eSAdheer Chandravanshi } 8392039acc1eSAdheer Chandravanshi 8393039acc1eSAdheer Chandravanshi if (is_qla40XX(ha)) { 8394039acc1eSAdheer Chandravanshi fw_ddb_entry = pddb; 8395039acc1eSAdheer Chandravanshi memset(fw_ddb_entry, 0, ddb_size); 8396039acc1eSAdheer Chandravanshi ddb_cookie = &fw_ddb_entry->cookie; 8397039acc1eSAdheer Chandravanshi } else { 8398039acc1eSAdheer Chandravanshi ddb_cookie = pddb; 8399039acc1eSAdheer Chandravanshi } 8400039acc1eSAdheer Chandravanshi 84011e9e2be3SAdheer Chandravanshi /* invalidate the cookie */ 84021e9e2be3SAdheer Chandravanshi *ddb_cookie = 0xFFEE; 84031e9e2be3SAdheer Chandravanshi qla4xxx_set_flash(ha, fw_ddb_entry_dma, dev_db_start_offset, 8404039acc1eSAdheer Chandravanshi ddb_size, FLASH_OPT_RMW_COMMIT); 84051e9e2be3SAdheer Chandravanshi 84061e9e2be3SAdheer Chandravanshi sysfs_ddb_del: 84071e9e2be3SAdheer Chandravanshi target_id = fnode_sess->target_id; 84081e9e2be3SAdheer Chandravanshi iscsi_destroy_flashnode_sess(fnode_sess); 84091e9e2be3SAdheer Chandravanshi ql4_printk(KERN_INFO, ha, 84101e9e2be3SAdheer Chandravanshi "%s: session and conn entries for flashnode %u of host %lu deleted\n", 84111e9e2be3SAdheer Chandravanshi __func__, target_id, ha->host_no); 84121e9e2be3SAdheer Chandravanshi exit_ddb_del: 8413039acc1eSAdheer Chandravanshi if (pddb) 8414039acc1eSAdheer Chandravanshi dma_free_coherent(&ha->pdev->dev, ddb_size, pddb, 8415039acc1eSAdheer Chandravanshi fw_ddb_entry_dma); 84161e9e2be3SAdheer Chandravanshi return rc; 84171e9e2be3SAdheer Chandravanshi } 84181e9e2be3SAdheer Chandravanshi 84191e9e2be3SAdheer Chandravanshi /** 84201e9e2be3SAdheer Chandravanshi * qla4xxx_sysfs_ddb_export - Create sysfs entries for firmware DDBs 84211e9e2be3SAdheer Chandravanshi * @ha: pointer to adapter structure 84221e9e2be3SAdheer Chandravanshi * 84231e9e2be3SAdheer Chandravanshi * Export the firmware DDB for all send targets and normal targets to sysfs. 84241e9e2be3SAdheer Chandravanshi **/ 8425906cbf3dSNilesh Javali int qla4xxx_sysfs_ddb_export(struct scsi_qla_host *ha) 84261e9e2be3SAdheer Chandravanshi { 84271e9e2be3SAdheer Chandravanshi struct dev_db_entry *fw_ddb_entry = NULL; 84281e9e2be3SAdheer Chandravanshi dma_addr_t fw_ddb_entry_dma; 84291e9e2be3SAdheer Chandravanshi uint16_t max_ddbs; 84301e9e2be3SAdheer Chandravanshi uint16_t idx = 0; 84311e9e2be3SAdheer Chandravanshi int ret = QLA_SUCCESS; 84321e9e2be3SAdheer Chandravanshi 84331e9e2be3SAdheer Chandravanshi fw_ddb_entry = dma_alloc_coherent(&ha->pdev->dev, 84341e9e2be3SAdheer Chandravanshi sizeof(*fw_ddb_entry), 84351e9e2be3SAdheer Chandravanshi &fw_ddb_entry_dma, GFP_KERNEL); 84361e9e2be3SAdheer Chandravanshi if (!fw_ddb_entry) { 84371e9e2be3SAdheer Chandravanshi DEBUG2(ql4_printk(KERN_ERR, ha, 84381e9e2be3SAdheer Chandravanshi "%s: Unable to allocate dma buffer\n", 84391e9e2be3SAdheer Chandravanshi __func__)); 84401e9e2be3SAdheer Chandravanshi return -ENOMEM; 84411e9e2be3SAdheer Chandravanshi } 84421e9e2be3SAdheer Chandravanshi 8443a957a7d7SAdheer Chandravanshi max_ddbs = is_qla40XX(ha) ? MAX_PRST_DEV_DB_ENTRIES : 84441e9e2be3SAdheer Chandravanshi MAX_DEV_DB_ENTRIES; 84451e9e2be3SAdheer Chandravanshi 84461e9e2be3SAdheer Chandravanshi for (idx = 0; idx < max_ddbs; idx++) { 84471e9e2be3SAdheer Chandravanshi if (qla4xxx_flashdb_by_index(ha, fw_ddb_entry, fw_ddb_entry_dma, 84481e9e2be3SAdheer Chandravanshi idx)) 84491e9e2be3SAdheer Chandravanshi continue; 84501e9e2be3SAdheer Chandravanshi 84511e9e2be3SAdheer Chandravanshi ret = qla4xxx_sysfs_ddb_tgt_create(ha, fw_ddb_entry, &idx, 0); 84521e9e2be3SAdheer Chandravanshi if (ret) { 84531e9e2be3SAdheer Chandravanshi ret = -EIO; 84541e9e2be3SAdheer Chandravanshi break; 84551e9e2be3SAdheer Chandravanshi } 84561e9e2be3SAdheer Chandravanshi } 84571e9e2be3SAdheer Chandravanshi 84581e9e2be3SAdheer Chandravanshi dma_free_coherent(&ha->pdev->dev, sizeof(*fw_ddb_entry), fw_ddb_entry, 84591e9e2be3SAdheer Chandravanshi fw_ddb_entry_dma); 84601e9e2be3SAdheer Chandravanshi 84611e9e2be3SAdheer Chandravanshi return ret; 84621e9e2be3SAdheer Chandravanshi } 84631e9e2be3SAdheer Chandravanshi 84641e9e2be3SAdheer Chandravanshi static void qla4xxx_sysfs_ddb_remove(struct scsi_qla_host *ha) 84651e9e2be3SAdheer Chandravanshi { 84661e9e2be3SAdheer Chandravanshi iscsi_destroy_all_flashnode(ha->host); 84671e9e2be3SAdheer Chandravanshi } 84681e9e2be3SAdheer Chandravanshi 84694a4bc2e9SLalit Chandivade /** 84704a4bc2e9SLalit Chandivade * qla4xxx_build_ddb_list - Build ddb list and setup sessions 84714a4bc2e9SLalit Chandivade * @ha: pointer to adapter structure 84724a4bc2e9SLalit Chandivade * @is_reset: Is this init path or reset path 84734a4bc2e9SLalit Chandivade * 84744a4bc2e9SLalit Chandivade * Create a list of sendtargets (st) from firmware DDBs, issue send targets 84754a4bc2e9SLalit Chandivade * using connection open, then create the list of normal targets (nt) 84764a4bc2e9SLalit Chandivade * from firmware DDBs. Based on the list of nt setup session and connection 84774a4bc2e9SLalit Chandivade * objects. 84784a4bc2e9SLalit Chandivade **/ 84794a4bc2e9SLalit Chandivade void qla4xxx_build_ddb_list(struct scsi_qla_host *ha, int is_reset) 84804a4bc2e9SLalit Chandivade { 84814a4bc2e9SLalit Chandivade uint16_t tmo = 0; 84824a4bc2e9SLalit Chandivade struct list_head list_st, list_nt; 84834a4bc2e9SLalit Chandivade struct qla_ddb_index *st_ddb_idx, *st_ddb_idx_tmp; 84844a4bc2e9SLalit Chandivade unsigned long wtime; 84854a4bc2e9SLalit Chandivade 84864a4bc2e9SLalit Chandivade if (!test_bit(AF_LINK_UP, &ha->flags)) { 84874a4bc2e9SLalit Chandivade set_bit(AF_BUILD_DDB_LIST, &ha->flags); 84884a4bc2e9SLalit Chandivade ha->is_reset = is_reset; 84894a4bc2e9SLalit Chandivade return; 84904a4bc2e9SLalit Chandivade } 84914a4bc2e9SLalit Chandivade 84924a4bc2e9SLalit Chandivade INIT_LIST_HEAD(&list_st); 84934a4bc2e9SLalit Chandivade INIT_LIST_HEAD(&list_nt); 84944a4bc2e9SLalit Chandivade 84954a4bc2e9SLalit Chandivade qla4xxx_build_st_list(ha, &list_st); 84964a4bc2e9SLalit Chandivade 849713483730SMike Christie /* Before issuing conn open mbox, ensure all IPs states are configured 849813483730SMike Christie * Note, conn open fails if IPs are not configured 849913483730SMike Christie */ 850013483730SMike Christie qla4xxx_wait_for_ip_configuration(ha); 850113483730SMike Christie 850213483730SMike Christie /* Go thru the STs and fire the sendtargets by issuing conn open mbx */ 850313483730SMike Christie list_for_each_entry_safe(st_ddb_idx, st_ddb_idx_tmp, &list_st, list) { 850413483730SMike Christie qla4xxx_conn_open(ha, st_ddb_idx->fw_ddb_idx); 850513483730SMike Christie } 850613483730SMike Christie 850713483730SMike Christie /* Wait to ensure all sendtargets are done for min 12 sec wait */ 8508c28eaacaSNilesh Javali tmo = ((ha->def_timeout > LOGIN_TOV) && 8509c28eaacaSNilesh Javali (ha->def_timeout < LOGIN_TOV * 10) ? 8510c28eaacaSNilesh Javali ha->def_timeout : LOGIN_TOV); 8511c28eaacaSNilesh Javali 851213483730SMike Christie DEBUG2(ql4_printk(KERN_INFO, ha, 851313483730SMike Christie "Default time to wait for build ddb %d\n", tmo)); 851413483730SMike Christie 851513483730SMike Christie wtime = jiffies + (HZ * tmo); 851613483730SMike Christie do { 8517f1f2e60eSNilesh Javali if (list_empty(&list_st)) 8518f1f2e60eSNilesh Javali break; 8519f1f2e60eSNilesh Javali 85204a4bc2e9SLalit Chandivade qla4xxx_remove_failed_ddb(ha, &list_st); 852113483730SMike Christie schedule_timeout_uninterruptible(HZ / 10); 852213483730SMike Christie } while (time_after(wtime, jiffies)); 852313483730SMike Christie 8524ad8bd45eSManish Rangankar 8525ad8bd45eSManish Rangankar qla4xxx_build_nt_list(ha, &list_nt, &list_st, is_reset); 8526ad8bd45eSManish Rangankar 85274a4bc2e9SLalit Chandivade qla4xxx_free_ddb_list(&list_st); 85284a4bc2e9SLalit Chandivade qla4xxx_free_ddb_list(&list_nt); 852913483730SMike Christie 853013483730SMike Christie qla4xxx_free_ddb_index(ha); 853113483730SMike Christie } 853213483730SMike Christie 8533afaf5a2dSDavid Somayajulu /** 85341dc8ed5dSManish Rangankar * qla4xxx_wait_login_resp_boot_tgt - Wait for iSCSI boot target login 85351dc8ed5dSManish Rangankar * response. 85361dc8ed5dSManish Rangankar * @ha: pointer to adapter structure 85371dc8ed5dSManish Rangankar * 85381dc8ed5dSManish Rangankar * When the boot entry is normal iSCSI target then DF_BOOT_TGT flag will be 85391dc8ed5dSManish Rangankar * set in DDB and we will wait for login response of boot targets during 85401dc8ed5dSManish Rangankar * probe. 85411dc8ed5dSManish Rangankar **/ 85421dc8ed5dSManish Rangankar static void qla4xxx_wait_login_resp_boot_tgt(struct scsi_qla_host *ha) 85431dc8ed5dSManish Rangankar { 85441dc8ed5dSManish Rangankar struct ddb_entry *ddb_entry; 85451dc8ed5dSManish Rangankar struct dev_db_entry *fw_ddb_entry = NULL; 85461dc8ed5dSManish Rangankar dma_addr_t fw_ddb_entry_dma; 85471dc8ed5dSManish Rangankar unsigned long wtime; 85481dc8ed5dSManish Rangankar uint32_t ddb_state; 85491dc8ed5dSManish Rangankar int max_ddbs, idx, ret; 85501dc8ed5dSManish Rangankar 85511dc8ed5dSManish Rangankar max_ddbs = is_qla40XX(ha) ? MAX_DEV_DB_ENTRIES_40XX : 85521dc8ed5dSManish Rangankar MAX_DEV_DB_ENTRIES; 85531dc8ed5dSManish Rangankar 85541dc8ed5dSManish Rangankar fw_ddb_entry = dma_alloc_coherent(&ha->pdev->dev, sizeof(*fw_ddb_entry), 85551dc8ed5dSManish Rangankar &fw_ddb_entry_dma, GFP_KERNEL); 85561dc8ed5dSManish Rangankar if (!fw_ddb_entry) { 85571dc8ed5dSManish Rangankar ql4_printk(KERN_ERR, ha, 85581dc8ed5dSManish Rangankar "%s: Unable to allocate dma buffer\n", __func__); 85591dc8ed5dSManish Rangankar goto exit_login_resp; 85601dc8ed5dSManish Rangankar } 85611dc8ed5dSManish Rangankar 85621dc8ed5dSManish Rangankar wtime = jiffies + (HZ * BOOT_LOGIN_RESP_TOV); 85631dc8ed5dSManish Rangankar 85641dc8ed5dSManish Rangankar for (idx = 0; idx < max_ddbs; idx++) { 85651dc8ed5dSManish Rangankar ddb_entry = qla4xxx_lookup_ddb_by_fw_index(ha, idx); 85661dc8ed5dSManish Rangankar if (ddb_entry == NULL) 85671dc8ed5dSManish Rangankar continue; 85681dc8ed5dSManish Rangankar 85691dc8ed5dSManish Rangankar if (test_bit(DF_BOOT_TGT, &ddb_entry->flags)) { 85701dc8ed5dSManish Rangankar DEBUG2(ql4_printk(KERN_INFO, ha, 85711dc8ed5dSManish Rangankar "%s: DDB index [%d]\n", __func__, 85721dc8ed5dSManish Rangankar ddb_entry->fw_ddb_index)); 85731dc8ed5dSManish Rangankar do { 85741dc8ed5dSManish Rangankar ret = qla4xxx_get_fwddb_entry(ha, 85751dc8ed5dSManish Rangankar ddb_entry->fw_ddb_index, 85761dc8ed5dSManish Rangankar fw_ddb_entry, fw_ddb_entry_dma, 85771dc8ed5dSManish Rangankar NULL, NULL, &ddb_state, NULL, 85781dc8ed5dSManish Rangankar NULL, NULL); 85791dc8ed5dSManish Rangankar if (ret == QLA_ERROR) 85801dc8ed5dSManish Rangankar goto exit_login_resp; 85811dc8ed5dSManish Rangankar 85821dc8ed5dSManish Rangankar if ((ddb_state == DDB_DS_SESSION_ACTIVE) || 85831dc8ed5dSManish Rangankar (ddb_state == DDB_DS_SESSION_FAILED)) 85841dc8ed5dSManish Rangankar break; 85851dc8ed5dSManish Rangankar 85861dc8ed5dSManish Rangankar schedule_timeout_uninterruptible(HZ); 85871dc8ed5dSManish Rangankar 85881dc8ed5dSManish Rangankar } while ((time_after(wtime, jiffies))); 85891dc8ed5dSManish Rangankar 85901dc8ed5dSManish Rangankar if (!time_after(wtime, jiffies)) { 85911dc8ed5dSManish Rangankar DEBUG2(ql4_printk(KERN_INFO, ha, 85921dc8ed5dSManish Rangankar "%s: Login response wait timer expired\n", 85931dc8ed5dSManish Rangankar __func__)); 85941dc8ed5dSManish Rangankar goto exit_login_resp; 85951dc8ed5dSManish Rangankar } 85961dc8ed5dSManish Rangankar } 85971dc8ed5dSManish Rangankar } 85981dc8ed5dSManish Rangankar 85991dc8ed5dSManish Rangankar exit_login_resp: 86001dc8ed5dSManish Rangankar if (fw_ddb_entry) 86011dc8ed5dSManish Rangankar dma_free_coherent(&ha->pdev->dev, sizeof(*fw_ddb_entry), 86021dc8ed5dSManish Rangankar fw_ddb_entry, fw_ddb_entry_dma); 86031dc8ed5dSManish Rangankar } 86041dc8ed5dSManish Rangankar 86051dc8ed5dSManish Rangankar /** 8606afaf5a2dSDavid Somayajulu * qla4xxx_probe_adapter - callback function to probe HBA 8607afaf5a2dSDavid Somayajulu * @pdev: pointer to pci_dev structure 8608cdeeb36dSLee Jones * @ent: pointer to pci_device entry 8609afaf5a2dSDavid Somayajulu * 8610afaf5a2dSDavid Somayajulu * This routine will probe for Qlogic 4xxx iSCSI host adapters. 8611afaf5a2dSDavid Somayajulu * It returns zero if successful. It also initializes all data necessary for 8612afaf5a2dSDavid Somayajulu * the driver. 8613afaf5a2dSDavid Somayajulu **/ 86146f039790SGreg Kroah-Hartman static int qla4xxx_probe_adapter(struct pci_dev *pdev, 8615afaf5a2dSDavid Somayajulu const struct pci_device_id *ent) 8616afaf5a2dSDavid Somayajulu { 8617afaf5a2dSDavid Somayajulu int ret = -ENODEV, status; 8618afaf5a2dSDavid Somayajulu struct Scsi_Host *host; 8619afaf5a2dSDavid Somayajulu struct scsi_qla_host *ha; 8620afaf5a2dSDavid Somayajulu uint8_t init_retry_count = 0; 8621afaf5a2dSDavid Somayajulu char buf[34]; 8622f4f5df23SVikas Chaudhary struct qla4_8xxx_legacy_intr_set *nx_legacy_intr; 8623f9880e76SPrasanna Mumbai uint32_t dev_state; 8624afaf5a2dSDavid Somayajulu 8625afaf5a2dSDavid Somayajulu if (pci_enable_device(pdev)) 8626afaf5a2dSDavid Somayajulu return -1; 8627afaf5a2dSDavid Somayajulu 8628b3a271a9SManish Rangankar host = iscsi_host_alloc(&qla4xxx_driver_template, sizeof(*ha), 0); 8629afaf5a2dSDavid Somayajulu if (host == NULL) { 8630afaf5a2dSDavid Somayajulu printk(KERN_WARNING 8631afaf5a2dSDavid Somayajulu "qla4xxx: Couldn't allocate host from scsi layer!\n"); 8632afaf5a2dSDavid Somayajulu goto probe_disable_device; 8633afaf5a2dSDavid Somayajulu } 8634afaf5a2dSDavid Somayajulu 8635afaf5a2dSDavid Somayajulu /* Clear our data area */ 8636b3a271a9SManish Rangankar ha = to_qla_host(host); 8637afaf5a2dSDavid Somayajulu memset(ha, 0, sizeof(*ha)); 8638afaf5a2dSDavid Somayajulu 8639afaf5a2dSDavid Somayajulu /* Save the information from PCI BIOS. */ 8640afaf5a2dSDavid Somayajulu ha->pdev = pdev; 8641afaf5a2dSDavid Somayajulu ha->host = host; 8642afaf5a2dSDavid Somayajulu ha->host_no = host->host_no; 86436e7b4292SVikas Chaudhary ha->func_num = PCI_FUNC(ha->pdev->devfn); 8644afaf5a2dSDavid Somayajulu 86452232be0dSLalit Chandivade pci_enable_pcie_error_reporting(pdev); 86462232be0dSLalit Chandivade 8647f4f5df23SVikas Chaudhary /* Setup Runtime configurable options */ 8648f4f5df23SVikas Chaudhary if (is_qla8022(ha)) { 86497664a1fdSVikas Chaudhary ha->isp_ops = &qla4_82xx_isp_ops; 865033693c7aSVikas Chaudhary ha->reg_tbl = (uint32_t *) qla4_82xx_reg_tbl; 8651f4f5df23SVikas Chaudhary ha->qdr_sn_window = -1; 8652f4f5df23SVikas Chaudhary ha->ddr_mn_window = -1; 8653f4f5df23SVikas Chaudhary ha->curr_window = 255; 8654f4f5df23SVikas Chaudhary nx_legacy_intr = &legacy_intr[ha->func_num]; 8655f4f5df23SVikas Chaudhary ha->nx_legacy_intr.int_vec_bit = nx_legacy_intr->int_vec_bit; 8656f4f5df23SVikas Chaudhary ha->nx_legacy_intr.tgt_status_reg = 8657f4f5df23SVikas Chaudhary nx_legacy_intr->tgt_status_reg; 8658f4f5df23SVikas Chaudhary ha->nx_legacy_intr.tgt_mask_reg = nx_legacy_intr->tgt_mask_reg; 8659f4f5df23SVikas Chaudhary ha->nx_legacy_intr.pci_int_reg = nx_legacy_intr->pci_int_reg; 8660b37ca418SVikas Chaudhary } else if (is_qla8032(ha) || is_qla8042(ha)) { 86616e7b4292SVikas Chaudhary ha->isp_ops = &qla4_83xx_isp_ops; 86626e7b4292SVikas Chaudhary ha->reg_tbl = (uint32_t *)qla4_83xx_reg_tbl; 8663f4f5df23SVikas Chaudhary } else { 8664f4f5df23SVikas Chaudhary ha->isp_ops = &qla4xxx_isp_ops; 8665f4f5df23SVikas Chaudhary } 8666f4f5df23SVikas Chaudhary 86676e7b4292SVikas Chaudhary if (is_qla80XX(ha)) { 86686e7b4292SVikas Chaudhary rwlock_init(&ha->hw_lock); 86696e7b4292SVikas Chaudhary ha->pf_bit = ha->func_num << 16; 86702232be0dSLalit Chandivade /* Set EEH reset type to fundamental if required by hba */ 86712232be0dSLalit Chandivade pdev->needs_freset = 1; 86726e7b4292SVikas Chaudhary } 86732232be0dSLalit Chandivade 8674afaf5a2dSDavid Somayajulu /* Configure PCI I/O space. */ 8675f4f5df23SVikas Chaudhary ret = ha->isp_ops->iospace_config(ha); 8676afaf5a2dSDavid Somayajulu if (ret) 8677f4f5df23SVikas Chaudhary goto probe_failed_ioconfig; 8678afaf5a2dSDavid Somayajulu 8679c2660df3SVikas Chaudhary ql4_printk(KERN_INFO, ha, "Found an ISP%04x, irq %d, iobase 0x%p\n", 8680afaf5a2dSDavid Somayajulu pdev->device, pdev->irq, ha->reg); 8681afaf5a2dSDavid Somayajulu 8682afaf5a2dSDavid Somayajulu qla4xxx_config_dma_addressing(ha); 8683afaf5a2dSDavid Somayajulu 8684afaf5a2dSDavid Somayajulu /* Initialize lists and spinlocks. */ 8685afaf5a2dSDavid Somayajulu INIT_LIST_HEAD(&ha->free_srb_q); 8686afaf5a2dSDavid Somayajulu 8687afaf5a2dSDavid Somayajulu mutex_init(&ha->mbox_sem); 86884549415aSLalit Chandivade mutex_init(&ha->chap_sem); 8689f4f5df23SVikas Chaudhary init_completion(&ha->mbx_intr_comp); 869095d31262SVikas Chaudhary init_completion(&ha->disable_acb_comp); 8691df86f771SVikas Chaudhary init_completion(&ha->idc_comp); 8692df86f771SVikas Chaudhary init_completion(&ha->link_up_comp); 8693afaf5a2dSDavid Somayajulu 8694afaf5a2dSDavid Somayajulu spin_lock_init(&ha->hardware_lock); 86958e9157c8SVikas Chaudhary spin_lock_init(&ha->work_lock); 8696afaf5a2dSDavid Somayajulu 8697ff884430SVikas Chaudhary /* Initialize work list */ 8698ff884430SVikas Chaudhary INIT_LIST_HEAD(&ha->work_list); 8699ff884430SVikas Chaudhary 8700afaf5a2dSDavid Somayajulu /* Allocate dma buffers */ 8701afaf5a2dSDavid Somayajulu if (qla4xxx_mem_alloc(ha)) { 8702c2660df3SVikas Chaudhary ql4_printk(KERN_WARNING, ha, 8703afaf5a2dSDavid Somayajulu "[ERROR] Failed to allocate memory for adapter\n"); 8704afaf5a2dSDavid Somayajulu 8705afaf5a2dSDavid Somayajulu ret = -ENOMEM; 8706afaf5a2dSDavid Somayajulu goto probe_failed; 8707afaf5a2dSDavid Somayajulu } 8708afaf5a2dSDavid Somayajulu 8709b3a271a9SManish Rangankar host->cmd_per_lun = 3; 8710b3a271a9SManish Rangankar host->max_channel = 0; 8711b3a271a9SManish Rangankar host->max_lun = MAX_LUNS - 1; 8712b3a271a9SManish Rangankar host->max_id = MAX_TARGETS; 8713b3a271a9SManish Rangankar host->max_cmd_len = IOCB_MAX_CDB_LEN; 8714b3a271a9SManish Rangankar host->can_queue = MAX_SRBS ; 8715b3a271a9SManish Rangankar host->transportt = qla4xxx_scsi_transport; 8716b3a271a9SManish Rangankar 8717b3a271a9SManish Rangankar pci_set_drvdata(pdev, ha); 8718b3a271a9SManish Rangankar 8719b3a271a9SManish Rangankar ret = scsi_add_host(host, &pdev->dev); 8720b3a271a9SManish Rangankar if (ret) 8721b3a271a9SManish Rangankar goto probe_failed; 8722b3a271a9SManish Rangankar 87236e7b4292SVikas Chaudhary if (is_qla80XX(ha)) 87246e7b4292SVikas Chaudhary qla4_8xxx_get_flash_info(ha); 87256e7b4292SVikas Chaudhary 8726b37ca418SVikas Chaudhary if (is_qla8032(ha) || is_qla8042(ha)) { 87276e7b4292SVikas Chaudhary qla4_83xx_read_reset_template(ha); 87286e7b4292SVikas Chaudhary /* 87296e7b4292SVikas Chaudhary * NOTE: If ql4dontresethba==1, set IDC_CTRL DONTRESET_BIT0. 87306e7b4292SVikas Chaudhary * If DONRESET_BIT0 is set, drivers should not set dev_state 87316e7b4292SVikas Chaudhary * to NEED_RESET. But if NEED_RESET is set, drivers should 87326e7b4292SVikas Chaudhary * should honor the reset. 87336e7b4292SVikas Chaudhary */ 87346e7b4292SVikas Chaudhary if (ql4xdontresethba == 1) 87356e7b4292SVikas Chaudhary qla4_83xx_set_idc_dontreset(ha); 87366e7b4292SVikas Chaudhary } 8737f4f5df23SVikas Chaudhary 8738afaf5a2dSDavid Somayajulu /* 8739afaf5a2dSDavid Somayajulu * Initialize the Host adapter request/response queues and 8740afaf5a2dSDavid Somayajulu * firmware 8741afaf5a2dSDavid Somayajulu * NOTE: interrupts enabled upon successful completion 8742afaf5a2dSDavid Somayajulu */ 874313483730SMike Christie status = qla4xxx_initialize_adapter(ha, INIT_ADAPTER); 87447977f825SPoornima Vonti 87457977f825SPoornima Vonti /* Dont retry adapter initialization if IRQ allocation failed */ 874637418cc6SNilesh Javali if (is_qla80XX(ha) && (status == QLA_ERROR)) 87477977f825SPoornima Vonti goto skip_retry_init; 87487977f825SPoornima Vonti 8749f4f5df23SVikas Chaudhary while ((!test_bit(AF_ONLINE, &ha->flags)) && 8750f4f5df23SVikas Chaudhary init_retry_count++ < MAX_INIT_RETRIES) { 8751f9880e76SPrasanna Mumbai 87526e7b4292SVikas Chaudhary if (is_qla80XX(ha)) { 875333693c7aSVikas Chaudhary ha->isp_ops->idc_lock(ha); 875433693c7aSVikas Chaudhary dev_state = qla4_8xxx_rd_direct(ha, 8755e951aca1SVikas Chaudhary QLA8XXX_CRB_DEV_STATE); 875633693c7aSVikas Chaudhary ha->isp_ops->idc_unlock(ha); 8757de8c72daSVikas Chaudhary if (dev_state == QLA8XXX_DEV_FAILED) { 8758f9880e76SPrasanna Mumbai ql4_printk(KERN_WARNING, ha, "%s: don't retry " 8759f9880e76SPrasanna Mumbai "initialize adapter. H/W is in failed state\n", 8760f9880e76SPrasanna Mumbai __func__); 8761f9880e76SPrasanna Mumbai break; 8762f9880e76SPrasanna Mumbai } 8763f9880e76SPrasanna Mumbai } 8764afaf5a2dSDavid Somayajulu DEBUG2(printk("scsi: %s: retrying adapter initialization " 8765afaf5a2dSDavid Somayajulu "(%d)\n", __func__, init_retry_count)); 8766f4f5df23SVikas Chaudhary 8767f4f5df23SVikas Chaudhary if (ha->isp_ops->reset_chip(ha) == QLA_ERROR) 8768f4f5df23SVikas Chaudhary continue; 8769f4f5df23SVikas Chaudhary 877013483730SMike Christie status = qla4xxx_initialize_adapter(ha, INIT_ADAPTER); 877137418cc6SNilesh Javali if (is_qla80XX(ha) && (status == QLA_ERROR)) { 877237418cc6SNilesh Javali if (qla4_8xxx_check_init_adapter_retry(ha) == QLA_ERROR) 877337418cc6SNilesh Javali goto skip_retry_init; 877437418cc6SNilesh Javali } 8775afaf5a2dSDavid Somayajulu } 8776f4f5df23SVikas Chaudhary 87777977f825SPoornima Vonti skip_retry_init: 8778f4f5df23SVikas Chaudhary if (!test_bit(AF_ONLINE, &ha->flags)) { 8779c2660df3SVikas Chaudhary ql4_printk(KERN_WARNING, ha, "Failed to initialize adapter\n"); 8780afaf5a2dSDavid Somayajulu 87816e7b4292SVikas Chaudhary if ((is_qla8022(ha) && ql4xdontresethba) || 8782b37ca418SVikas Chaudhary ((is_qla8032(ha) || is_qla8042(ha)) && 8783b37ca418SVikas Chaudhary qla4_83xx_idc_dontreset(ha))) { 8784fe998527SLalit Chandivade /* Put the device in failed state. */ 8785fe998527SLalit Chandivade DEBUG2(printk(KERN_ERR "HW STATE: FAILED\n")); 878633693c7aSVikas Chaudhary ha->isp_ops->idc_lock(ha); 878733693c7aSVikas Chaudhary qla4_8xxx_wr_direct(ha, QLA8XXX_CRB_DEV_STATE, 8788de8c72daSVikas Chaudhary QLA8XXX_DEV_FAILED); 878933693c7aSVikas Chaudhary ha->isp_ops->idc_unlock(ha); 8790fe998527SLalit Chandivade } 8791afaf5a2dSDavid Somayajulu ret = -ENODEV; 8792b3a271a9SManish Rangankar goto remove_host; 8793afaf5a2dSDavid Somayajulu } 8794afaf5a2dSDavid Somayajulu 8795afaf5a2dSDavid Somayajulu /* Startup the kernel thread for this host adapter. */ 8796afaf5a2dSDavid Somayajulu DEBUG2(printk("scsi: %s: Starting kernel thread for " 8797afaf5a2dSDavid Somayajulu "qla4xxx_dpc\n", __func__)); 8798afaf5a2dSDavid Somayajulu sprintf(buf, "qla4xxx_%lu_dpc", ha->host_no); 8799afaf5a2dSDavid Somayajulu ha->dpc_thread = create_singlethread_workqueue(buf); 8800afaf5a2dSDavid Somayajulu if (!ha->dpc_thread) { 8801c2660df3SVikas Chaudhary ql4_printk(KERN_WARNING, ha, "Unable to start DPC thread!\n"); 8802afaf5a2dSDavid Somayajulu ret = -ENODEV; 8803b3a271a9SManish Rangankar goto remove_host; 8804afaf5a2dSDavid Somayajulu } 8805c4028958SDavid Howells INIT_WORK(&ha->dpc_work, qla4xxx_do_dpc); 8806afaf5a2dSDavid Somayajulu 8807d8537548SKees Cook ha->task_wq = alloc_workqueue("qla4xxx_%lu_task", WQ_MEM_RECLAIM, 1, 8808d8537548SKees Cook ha->host_no); 8809b3a271a9SManish Rangankar if (!ha->task_wq) { 8810b3a271a9SManish Rangankar ql4_printk(KERN_WARNING, ha, "Unable to start task thread!\n"); 8811b3a271a9SManish Rangankar ret = -ENODEV; 8812b3a271a9SManish Rangankar goto remove_host; 8813b3a271a9SManish Rangankar } 8814b3a271a9SManish Rangankar 88156e7b4292SVikas Chaudhary /* 88166e7b4292SVikas Chaudhary * For ISP-8XXX, request_irqs is called in qla4_8xxx_load_risc 8817f4f5df23SVikas Chaudhary * (which is called indirectly by qla4xxx_initialize_adapter), 8818f4f5df23SVikas Chaudhary * so that irqs will be registered after crbinit but before 8819f4f5df23SVikas Chaudhary * mbx_intr_enable. 8820f4f5df23SVikas Chaudhary */ 8821ee996a69SVikas Chaudhary if (is_qla40XX(ha)) { 8822f4f5df23SVikas Chaudhary ret = qla4xxx_request_irqs(ha); 8823afaf5a2dSDavid Somayajulu if (ret) { 8824f4f5df23SVikas Chaudhary ql4_printk(KERN_WARNING, ha, "Failed to reserve " 8825f4f5df23SVikas Chaudhary "interrupt %d already in use.\n", pdev->irq); 8826b3a271a9SManish Rangankar goto remove_host; 8827afaf5a2dSDavid Somayajulu } 8828f4f5df23SVikas Chaudhary } 8829afaf5a2dSDavid Somayajulu 88302232be0dSLalit Chandivade pci_save_state(ha->pdev); 8831f4f5df23SVikas Chaudhary ha->isp_ops->enable_intrs(ha); 8832afaf5a2dSDavid Somayajulu 8833afaf5a2dSDavid Somayajulu /* Start timer thread. */ 8834d744644aSKees Cook qla4xxx_start_timer(ha, 1); 8835afaf5a2dSDavid Somayajulu 8836afaf5a2dSDavid Somayajulu set_bit(AF_INIT_DONE, &ha->flags); 8837afaf5a2dSDavid Somayajulu 8838068237c8STej Parkash qla4_8xxx_alloc_sysfs_attr(ha); 8839068237c8STej Parkash 8840afaf5a2dSDavid Somayajulu printk(KERN_INFO 8841afaf5a2dSDavid Somayajulu " QLogic iSCSI HBA Driver version: %s\n" 8842afaf5a2dSDavid Somayajulu " QLogic ISP%04x @ %s, host#=%ld, fw=%02d.%02d.%02d.%02d\n", 8843afaf5a2dSDavid Somayajulu qla4xxx_version_str, ha->pdev->device, pci_name(ha->pdev), 8844eee06a0fSAdheer Chandravanshi ha->host_no, ha->fw_info.fw_major, ha->fw_info.fw_minor, 8845eee06a0fSAdheer Chandravanshi ha->fw_info.fw_patch, ha->fw_info.fw_build); 8846ed1086e0SVikas Chaudhary 8847cfb27874SManish Dusane /* Set the driver version */ 8848cfb27874SManish Dusane if (is_qla80XX(ha)) 8849cfb27874SManish Dusane qla4_8xxx_set_param(ha, SET_DRVR_VERSION); 8850cfb27874SManish Dusane 88512a991c21SManish Rangankar if (qla4xxx_setup_boot_info(ha)) 88523573bfb2SVikas Chaudhary ql4_printk(KERN_ERR, ha, 88533573bfb2SVikas Chaudhary "%s: No iSCSI boot target configured\n", __func__); 88542a991c21SManish Rangankar 8855906cbf3dSNilesh Javali set_bit(DPC_SYSFS_DDB_EXPORT, &ha->dpc_flags); 885613483730SMike Christie /* Perform the build ddb list and login to each */ 885713483730SMike Christie qla4xxx_build_ddb_list(ha, INIT_ADAPTER); 885813483730SMike Christie iscsi_host_for_each_session(ha->host, qla4xxx_login_flash_ddb); 88591dc8ed5dSManish Rangankar qla4xxx_wait_login_resp_boot_tgt(ha); 886013483730SMike Christie 886113483730SMike Christie qla4xxx_create_chap_list(ha); 886213483730SMike Christie 8863ed1086e0SVikas Chaudhary qla4xxx_create_ifaces(ha); 8864afaf5a2dSDavid Somayajulu return 0; 8865afaf5a2dSDavid Somayajulu 8866b3a271a9SManish Rangankar remove_host: 8867b3a271a9SManish Rangankar scsi_remove_host(ha->host); 8868b3a271a9SManish Rangankar 8869afaf5a2dSDavid Somayajulu probe_failed: 8870afaf5a2dSDavid Somayajulu qla4xxx_free_adapter(ha); 8871f4f5df23SVikas Chaudhary 8872f4f5df23SVikas Chaudhary probe_failed_ioconfig: 88732232be0dSLalit Chandivade pci_disable_pcie_error_reporting(pdev); 8874afaf5a2dSDavid Somayajulu scsi_host_put(ha->host); 8875afaf5a2dSDavid Somayajulu 8876afaf5a2dSDavid Somayajulu probe_disable_device: 8877afaf5a2dSDavid Somayajulu pci_disable_device(pdev); 8878afaf5a2dSDavid Somayajulu 8879afaf5a2dSDavid Somayajulu return ret; 8880afaf5a2dSDavid Somayajulu } 8881afaf5a2dSDavid Somayajulu 8882afaf5a2dSDavid Somayajulu /** 88837eece5a0SKaren Higgins * qla4xxx_prevent_other_port_reinit - prevent other port from re-initialize 88847eece5a0SKaren Higgins * @ha: pointer to adapter structure 88857eece5a0SKaren Higgins * 88867eece5a0SKaren Higgins * Mark the other ISP-4xxx port to indicate that the driver is being removed, 88877eece5a0SKaren Higgins * so that the other port will not re-initialize while in the process of 88887eece5a0SKaren Higgins * removing the ha due to driver unload or hba hotplug. 88897eece5a0SKaren Higgins **/ 88907eece5a0SKaren Higgins static void qla4xxx_prevent_other_port_reinit(struct scsi_qla_host *ha) 88917eece5a0SKaren Higgins { 88927eece5a0SKaren Higgins struct scsi_qla_host *other_ha = NULL; 88937eece5a0SKaren Higgins struct pci_dev *other_pdev = NULL; 88947eece5a0SKaren Higgins int fn = ISP4XXX_PCI_FN_2; 88957eece5a0SKaren Higgins 88967eece5a0SKaren Higgins /*iscsi function numbers for ISP4xxx is 1 and 3*/ 88977eece5a0SKaren Higgins if (PCI_FUNC(ha->pdev->devfn) & BIT_1) 88987eece5a0SKaren Higgins fn = ISP4XXX_PCI_FN_1; 88997eece5a0SKaren Higgins 89007eece5a0SKaren Higgins other_pdev = 89017eece5a0SKaren Higgins pci_get_domain_bus_and_slot(pci_domain_nr(ha->pdev->bus), 89027eece5a0SKaren Higgins ha->pdev->bus->number, PCI_DEVFN(PCI_SLOT(ha->pdev->devfn), 89037eece5a0SKaren Higgins fn)); 89047eece5a0SKaren Higgins 89057eece5a0SKaren Higgins /* Get other_ha if other_pdev is valid and state is enable*/ 89067eece5a0SKaren Higgins if (other_pdev) { 89077eece5a0SKaren Higgins if (atomic_read(&other_pdev->enable_cnt)) { 89087eece5a0SKaren Higgins other_ha = pci_get_drvdata(other_pdev); 89097eece5a0SKaren Higgins if (other_ha) { 89107eece5a0SKaren Higgins set_bit(AF_HA_REMOVAL, &other_ha->flags); 89117eece5a0SKaren Higgins DEBUG2(ql4_printk(KERN_INFO, ha, "%s: " 89127eece5a0SKaren Higgins "Prevent %s reinit\n", __func__, 89137eece5a0SKaren Higgins dev_name(&other_ha->pdev->dev))); 89147eece5a0SKaren Higgins } 89157eece5a0SKaren Higgins } 89167eece5a0SKaren Higgins pci_dev_put(other_pdev); 89177eece5a0SKaren Higgins } 89187eece5a0SKaren Higgins } 89197eece5a0SKaren Higgins 892028d958baSVikas Chaudhary static void qla4xxx_destroy_ddb(struct scsi_qla_host *ha, 892128d958baSVikas Chaudhary struct ddb_entry *ddb_entry) 892228d958baSVikas Chaudhary { 892328d958baSVikas Chaudhary struct dev_db_entry *fw_ddb_entry = NULL; 892428d958baSVikas Chaudhary dma_addr_t fw_ddb_entry_dma; 892528d958baSVikas Chaudhary unsigned long wtime; 892628d958baSVikas Chaudhary uint32_t ddb_state; 892728d958baSVikas Chaudhary int options; 892828d958baSVikas Chaudhary int status; 892928d958baSVikas Chaudhary 893028d958baSVikas Chaudhary options = LOGOUT_OPTION_CLOSE_SESSION; 893128d958baSVikas Chaudhary if (qla4xxx_session_logout_ddb(ha, ddb_entry, options) == QLA_ERROR) { 893228d958baSVikas Chaudhary ql4_printk(KERN_ERR, ha, "%s: Logout failed\n", __func__); 893328d958baSVikas Chaudhary goto clear_ddb; 893428d958baSVikas Chaudhary } 893528d958baSVikas Chaudhary 893628d958baSVikas Chaudhary fw_ddb_entry = dma_alloc_coherent(&ha->pdev->dev, sizeof(*fw_ddb_entry), 893728d958baSVikas Chaudhary &fw_ddb_entry_dma, GFP_KERNEL); 893828d958baSVikas Chaudhary if (!fw_ddb_entry) { 893928d958baSVikas Chaudhary ql4_printk(KERN_ERR, ha, 894028d958baSVikas Chaudhary "%s: Unable to allocate dma buffer\n", __func__); 894128d958baSVikas Chaudhary goto clear_ddb; 894228d958baSVikas Chaudhary } 894328d958baSVikas Chaudhary 894428d958baSVikas Chaudhary wtime = jiffies + (HZ * LOGOUT_TOV); 894528d958baSVikas Chaudhary do { 894628d958baSVikas Chaudhary status = qla4xxx_get_fwddb_entry(ha, ddb_entry->fw_ddb_index, 894728d958baSVikas Chaudhary fw_ddb_entry, fw_ddb_entry_dma, 894828d958baSVikas Chaudhary NULL, NULL, &ddb_state, NULL, 894928d958baSVikas Chaudhary NULL, NULL); 895028d958baSVikas Chaudhary if (status == QLA_ERROR) 895128d958baSVikas Chaudhary goto free_ddb; 895228d958baSVikas Chaudhary 895328d958baSVikas Chaudhary if ((ddb_state == DDB_DS_NO_CONNECTION_ACTIVE) || 895428d958baSVikas Chaudhary (ddb_state == DDB_DS_SESSION_FAILED)) 895528d958baSVikas Chaudhary goto free_ddb; 895628d958baSVikas Chaudhary 895728d958baSVikas Chaudhary schedule_timeout_uninterruptible(HZ); 895828d958baSVikas Chaudhary } while ((time_after(wtime, jiffies))); 895928d958baSVikas Chaudhary 896028d958baSVikas Chaudhary free_ddb: 896128d958baSVikas Chaudhary dma_free_coherent(&ha->pdev->dev, sizeof(*fw_ddb_entry), 896228d958baSVikas Chaudhary fw_ddb_entry, fw_ddb_entry_dma); 896328d958baSVikas Chaudhary clear_ddb: 896428d958baSVikas Chaudhary qla4xxx_clear_ddb_entry(ha, ddb_entry->fw_ddb_index); 896528d958baSVikas Chaudhary } 896628d958baSVikas Chaudhary 896713483730SMike Christie static void qla4xxx_destroy_fw_ddb_session(struct scsi_qla_host *ha) 896813483730SMike Christie { 896913483730SMike Christie struct ddb_entry *ddb_entry; 897013483730SMike Christie int idx; 897113483730SMike Christie 897213483730SMike Christie for (idx = 0; idx < MAX_DDB_ENTRIES; idx++) { 897313483730SMike Christie 897413483730SMike Christie ddb_entry = qla4xxx_lookup_ddb_by_fw_index(ha, idx); 897513483730SMike Christie if ((ddb_entry != NULL) && 897613483730SMike Christie (ddb_entry->ddb_type == FLASH_DDB)) { 897713483730SMike Christie 897828d958baSVikas Chaudhary qla4xxx_destroy_ddb(ha, ddb_entry); 897913483730SMike Christie /* 898013483730SMike Christie * we have decremented the reference count of the driver 898113483730SMike Christie * when we setup the session to have the driver unload 898213483730SMike Christie * to be seamless without actually destroying the 898313483730SMike Christie * session 898413483730SMike Christie **/ 898513483730SMike Christie try_module_get(qla4xxx_iscsi_transport.owner); 898613483730SMike Christie iscsi_destroy_endpoint(ddb_entry->conn->ep); 898713483730SMike Christie qla4xxx_free_ddb(ha, ddb_entry); 898813483730SMike Christie iscsi_session_teardown(ddb_entry->sess); 898913483730SMike Christie } 899013483730SMike Christie } 899113483730SMike Christie } 89927eece5a0SKaren Higgins /** 899359e13d48SMasanari Iida * qla4xxx_remove_adapter - callback function to remove adapter. 8994cdeeb36dSLee Jones * @pdev: PCI device pointer 8995afaf5a2dSDavid Somayajulu **/ 89966f039790SGreg Kroah-Hartman static void qla4xxx_remove_adapter(struct pci_dev *pdev) 8997afaf5a2dSDavid Somayajulu { 8998afaf5a2dSDavid Somayajulu struct scsi_qla_host *ha; 8999afaf5a2dSDavid Somayajulu 9000f8b0751dSVikas Chaudhary /* 9001f8b0751dSVikas Chaudhary * If the PCI device is disabled then it means probe_adapter had 9002f8b0751dSVikas Chaudhary * failed and resources already cleaned up on probe_adapter exit. 9003f8b0751dSVikas Chaudhary */ 9004f8b0751dSVikas Chaudhary if (!pci_is_enabled(pdev)) 9005f8b0751dSVikas Chaudhary return; 9006f8b0751dSVikas Chaudhary 9007afaf5a2dSDavid Somayajulu ha = pci_get_drvdata(pdev); 9008afaf5a2dSDavid Somayajulu 9009ee996a69SVikas Chaudhary if (is_qla40XX(ha)) 90107eece5a0SKaren Higgins qla4xxx_prevent_other_port_reinit(ha); 9011bee4fe8eSDavid C Somayajulu 9012ed1086e0SVikas Chaudhary /* destroy iface from sysfs */ 9013ed1086e0SVikas Chaudhary qla4xxx_destroy_ifaces(ha); 9014ed1086e0SVikas Chaudhary 901513483730SMike Christie if ((!ql4xdisablesysfsboot) && ha->boot_kset) 90162a991c21SManish Rangankar iscsi_boot_destroy_kset(ha->boot_kset); 90172a991c21SManish Rangankar 901813483730SMike Christie qla4xxx_destroy_fw_ddb_session(ha); 9019068237c8STej Parkash qla4_8xxx_free_sysfs_attr(ha); 902013483730SMike Christie 90211e9e2be3SAdheer Chandravanshi qla4xxx_sysfs_ddb_remove(ha); 9022afaf5a2dSDavid Somayajulu scsi_remove_host(ha->host); 9023afaf5a2dSDavid Somayajulu 9024afaf5a2dSDavid Somayajulu qla4xxx_free_adapter(ha); 9025afaf5a2dSDavid Somayajulu 9026afaf5a2dSDavid Somayajulu scsi_host_put(ha->host); 9027afaf5a2dSDavid Somayajulu 90282232be0dSLalit Chandivade pci_disable_pcie_error_reporting(pdev); 9029f4f5df23SVikas Chaudhary pci_disable_device(pdev); 9030afaf5a2dSDavid Somayajulu } 9031afaf5a2dSDavid Somayajulu 9032afaf5a2dSDavid Somayajulu /** 9033afaf5a2dSDavid Somayajulu * qla4xxx_config_dma_addressing() - Configure OS DMA addressing method. 9034afaf5a2dSDavid Somayajulu * @ha: HA context 9035afaf5a2dSDavid Somayajulu */ 903647975477SAdrian Bunk static void qla4xxx_config_dma_addressing(struct scsi_qla_host *ha) 9037afaf5a2dSDavid Somayajulu { 9038afaf5a2dSDavid Somayajulu /* Update our PCI device dma_mask for full 64 bit mask */ 9039ec44a676SChristoph Hellwig if (dma_set_mask_and_coherent(&ha->pdev->dev, DMA_BIT_MASK(64))) { 9040afaf5a2dSDavid Somayajulu dev_dbg(&ha->pdev->dev, 9041afaf5a2dSDavid Somayajulu "Failed to set 64 bit PCI consistent mask; " 9042afaf5a2dSDavid Somayajulu "using 32 bit.\n"); 9043ec44a676SChristoph Hellwig dma_set_mask_and_coherent(&ha->pdev->dev, DMA_BIT_MASK(32)); 9044afaf5a2dSDavid Somayajulu } 9045afaf5a2dSDavid Somayajulu } 9046afaf5a2dSDavid Somayajulu 9047afaf5a2dSDavid Somayajulu static int qla4xxx_slave_alloc(struct scsi_device *sdev) 9048afaf5a2dSDavid Somayajulu { 9049b3a271a9SManish Rangankar struct iscsi_cls_session *cls_sess; 9050b3a271a9SManish Rangankar struct iscsi_session *sess; 9051b3a271a9SManish Rangankar struct ddb_entry *ddb; 90528bb4033dSVikas Chaudhary int queue_depth = QL4_DEF_QDEPTH; 9053afaf5a2dSDavid Somayajulu 9054b3a271a9SManish Rangankar cls_sess = starget_to_session(sdev->sdev_target); 9055b3a271a9SManish Rangankar sess = cls_sess->dd_data; 9056b3a271a9SManish Rangankar ddb = sess->dd_data; 9057b3a271a9SManish Rangankar 9058afaf5a2dSDavid Somayajulu sdev->hostdata = ddb; 90598bb4033dSVikas Chaudhary 90608bb4033dSVikas Chaudhary if (ql4xmaxqdepth != 0 && ql4xmaxqdepth <= 0xffffU) 90618bb4033dSVikas Chaudhary queue_depth = ql4xmaxqdepth; 90628bb4033dSVikas Chaudhary 9063db5ed4dfSChristoph Hellwig scsi_change_queue_depth(sdev, queue_depth); 9064afaf5a2dSDavid Somayajulu return 0; 9065afaf5a2dSDavid Somayajulu } 9066afaf5a2dSDavid Somayajulu 9067afaf5a2dSDavid Somayajulu /** 9068afaf5a2dSDavid Somayajulu * qla4xxx_del_from_active_array - returns an active srb 9069afaf5a2dSDavid Somayajulu * @ha: Pointer to host adapter structure. 9070fd589a8fSAnand Gadiyar * @index: index into the active_array 9071afaf5a2dSDavid Somayajulu * 9072afaf5a2dSDavid Somayajulu * This routine removes and returns the srb at the specified index 9073afaf5a2dSDavid Somayajulu **/ 9074f4f5df23SVikas Chaudhary struct srb *qla4xxx_del_from_active_array(struct scsi_qla_host *ha, 9075f4f5df23SVikas Chaudhary uint32_t index) 9076afaf5a2dSDavid Somayajulu { 9077afaf5a2dSDavid Somayajulu struct srb *srb = NULL; 90785369887aSVikas Chaudhary struct scsi_cmnd *cmd = NULL; 9079afaf5a2dSDavid Somayajulu 90805369887aSVikas Chaudhary cmd = scsi_host_find_tag(ha->host, index); 90815369887aSVikas Chaudhary if (!cmd) 9082afaf5a2dSDavid Somayajulu return srb; 9083afaf5a2dSDavid Somayajulu 90845369887aSVikas Chaudhary srb = (struct srb *)CMD_SP(cmd); 90855369887aSVikas Chaudhary if (!srb) 9086afaf5a2dSDavid Somayajulu return srb; 9087afaf5a2dSDavid Somayajulu 9088afaf5a2dSDavid Somayajulu /* update counters */ 9089afaf5a2dSDavid Somayajulu if (srb->flags & SRB_DMA_VALID) { 9090afaf5a2dSDavid Somayajulu ha->iocb_cnt -= srb->iocb_cnt; 9091afaf5a2dSDavid Somayajulu if (srb->cmd) 90925369887aSVikas Chaudhary srb->cmd->host_scribble = 90935369887aSVikas Chaudhary (unsigned char *)(unsigned long) MAX_SRBS; 9094afaf5a2dSDavid Somayajulu } 9095afaf5a2dSDavid Somayajulu return srb; 9096afaf5a2dSDavid Somayajulu } 9097afaf5a2dSDavid Somayajulu 9098afaf5a2dSDavid Somayajulu /** 9099afaf5a2dSDavid Somayajulu * qla4xxx_eh_wait_on_command - waits for command to be returned by firmware 910009a0f719SVikas Chaudhary * @ha: Pointer to host adapter structure. 9101afaf5a2dSDavid Somayajulu * @cmd: Scsi Command to wait on. 9102afaf5a2dSDavid Somayajulu * 9103afaf5a2dSDavid Somayajulu * This routine waits for the command to be returned by the Firmware 9104afaf5a2dSDavid Somayajulu * for some max time. 9105afaf5a2dSDavid Somayajulu **/ 9106afaf5a2dSDavid Somayajulu static int qla4xxx_eh_wait_on_command(struct scsi_qla_host *ha, 9107afaf5a2dSDavid Somayajulu struct scsi_cmnd *cmd) 9108afaf5a2dSDavid Somayajulu { 9109afaf5a2dSDavid Somayajulu int done = 0; 9110afaf5a2dSDavid Somayajulu struct srb *rp; 9111afaf5a2dSDavid Somayajulu uint32_t max_wait_time = EH_WAIT_CMD_TOV; 91122232be0dSLalit Chandivade int ret = SUCCESS; 91132232be0dSLalit Chandivade 91142232be0dSLalit Chandivade /* Dont wait on command if PCI error is being handled 91152232be0dSLalit Chandivade * by PCI AER driver 91162232be0dSLalit Chandivade */ 91172232be0dSLalit Chandivade if (unlikely(pci_channel_offline(ha->pdev)) || 91182232be0dSLalit Chandivade (test_bit(AF_EEH_BUSY, &ha->flags))) { 91192232be0dSLalit Chandivade ql4_printk(KERN_WARNING, ha, "scsi%ld: Return from %s\n", 91202232be0dSLalit Chandivade ha->host_no, __func__); 91212232be0dSLalit Chandivade return ret; 91222232be0dSLalit Chandivade } 9123afaf5a2dSDavid Somayajulu 9124afaf5a2dSDavid Somayajulu do { 9125afaf5a2dSDavid Somayajulu /* Checking to see if its returned to OS */ 91265369887aSVikas Chaudhary rp = (struct srb *) CMD_SP(cmd); 9127afaf5a2dSDavid Somayajulu if (rp == NULL) { 9128afaf5a2dSDavid Somayajulu done++; 9129afaf5a2dSDavid Somayajulu break; 9130afaf5a2dSDavid Somayajulu } 9131afaf5a2dSDavid Somayajulu 9132afaf5a2dSDavid Somayajulu msleep(2000); 9133afaf5a2dSDavid Somayajulu } while (max_wait_time--); 9134afaf5a2dSDavid Somayajulu 9135afaf5a2dSDavid Somayajulu return done; 9136afaf5a2dSDavid Somayajulu } 9137afaf5a2dSDavid Somayajulu 9138afaf5a2dSDavid Somayajulu /** 9139afaf5a2dSDavid Somayajulu * qla4xxx_wait_for_hba_online - waits for HBA to come online 9140afaf5a2dSDavid Somayajulu * @ha: Pointer to host adapter structure 9141afaf5a2dSDavid Somayajulu **/ 9142afaf5a2dSDavid Somayajulu static int qla4xxx_wait_for_hba_online(struct scsi_qla_host *ha) 9143afaf5a2dSDavid Somayajulu { 9144afaf5a2dSDavid Somayajulu unsigned long wait_online; 9145afaf5a2dSDavid Somayajulu 9146f581a3f7SVikas Chaudhary wait_online = jiffies + (HBA_ONLINE_TOV * HZ); 9147afaf5a2dSDavid Somayajulu while (time_before(jiffies, wait_online)) { 9148afaf5a2dSDavid Somayajulu 9149afaf5a2dSDavid Somayajulu if (adapter_up(ha)) 9150afaf5a2dSDavid Somayajulu return QLA_SUCCESS; 9151afaf5a2dSDavid Somayajulu 9152afaf5a2dSDavid Somayajulu msleep(2000); 9153afaf5a2dSDavid Somayajulu } 9154afaf5a2dSDavid Somayajulu 9155afaf5a2dSDavid Somayajulu return QLA_ERROR; 9156afaf5a2dSDavid Somayajulu } 9157afaf5a2dSDavid Somayajulu 9158afaf5a2dSDavid Somayajulu /** 9159ce545039SMike Christie * qla4xxx_eh_wait_for_commands - wait for active cmds to finish. 9160fd589a8fSAnand Gadiyar * @ha: pointer to HBA 9161cdeeb36dSLee Jones * @stgt: pointer to SCSI target 9162cdeeb36dSLee Jones * @sdev: pointer to SCSI device 9163afaf5a2dSDavid Somayajulu * 9164afaf5a2dSDavid Somayajulu * This function waits for all outstanding commands to a lun to complete. It 9165afaf5a2dSDavid Somayajulu * returns 0 if all pending commands are returned and 1 otherwise. 9166afaf5a2dSDavid Somayajulu **/ 9167ce545039SMike Christie static int qla4xxx_eh_wait_for_commands(struct scsi_qla_host *ha, 9168ce545039SMike Christie struct scsi_target *stgt, 9169ce545039SMike Christie struct scsi_device *sdev) 9170afaf5a2dSDavid Somayajulu { 9171afaf5a2dSDavid Somayajulu int cnt; 9172afaf5a2dSDavid Somayajulu int status = 0; 9173afaf5a2dSDavid Somayajulu struct scsi_cmnd *cmd; 9174afaf5a2dSDavid Somayajulu 9175afaf5a2dSDavid Somayajulu /* 9176ce545039SMike Christie * Waiting for all commands for the designated target or dev 9177ce545039SMike Christie * in the active array 9178afaf5a2dSDavid Somayajulu */ 9179afaf5a2dSDavid Somayajulu for (cnt = 0; cnt < ha->host->can_queue; cnt++) { 9180afaf5a2dSDavid Somayajulu cmd = scsi_host_find_tag(ha->host, cnt); 9181ce545039SMike Christie if (cmd && stgt == scsi_target(cmd->device) && 9182ce545039SMike Christie (!sdev || sdev == cmd->device)) { 9183afaf5a2dSDavid Somayajulu if (!qla4xxx_eh_wait_on_command(ha, cmd)) { 9184afaf5a2dSDavid Somayajulu status++; 9185afaf5a2dSDavid Somayajulu break; 9186afaf5a2dSDavid Somayajulu } 9187afaf5a2dSDavid Somayajulu } 9188afaf5a2dSDavid Somayajulu } 9189afaf5a2dSDavid Somayajulu return status; 9190afaf5a2dSDavid Somayajulu } 9191afaf5a2dSDavid Somayajulu 9192afaf5a2dSDavid Somayajulu /** 919309a0f719SVikas Chaudhary * qla4xxx_eh_abort - callback for abort task. 919409a0f719SVikas Chaudhary * @cmd: Pointer to Linux's SCSI command structure 919509a0f719SVikas Chaudhary * 919609a0f719SVikas Chaudhary * This routine is called by the Linux OS to abort the specified 919709a0f719SVikas Chaudhary * command. 919809a0f719SVikas Chaudhary **/ 919909a0f719SVikas Chaudhary static int qla4xxx_eh_abort(struct scsi_cmnd *cmd) 920009a0f719SVikas Chaudhary { 920109a0f719SVikas Chaudhary struct scsi_qla_host *ha = to_qla_host(cmd->device->host); 920209a0f719SVikas Chaudhary unsigned int id = cmd->device->id; 92039cb78c16SHannes Reinecke uint64_t lun = cmd->device->lun; 920492b3e5bbSMike Christie unsigned long flags; 920509a0f719SVikas Chaudhary struct srb *srb = NULL; 920609a0f719SVikas Chaudhary int ret = SUCCESS; 920709a0f719SVikas Chaudhary int wait = 0; 92081bc5ad3aSManish Rangankar int rval; 920909a0f719SVikas Chaudhary 92109cb78c16SHannes Reinecke ql4_printk(KERN_INFO, ha, "scsi%ld:%d:%llu: Abort command issued cmd=%p, cdb=0x%x\n", 921163c9e814SVikas Chaudhary ha->host_no, id, lun, cmd, cmd->cmnd[0]); 921209a0f719SVikas Chaudhary 92131bc5ad3aSManish Rangankar rval = qla4xxx_isp_check_reg(ha); 92141bc5ad3aSManish Rangankar if (rval != QLA_SUCCESS) { 92151bc5ad3aSManish Rangankar ql4_printk(KERN_INFO, ha, "PCI/Register disconnect, exiting.\n"); 92161bc5ad3aSManish Rangankar return FAILED; 92171bc5ad3aSManish Rangankar } 92181bc5ad3aSManish Rangankar 921992b3e5bbSMike Christie spin_lock_irqsave(&ha->hardware_lock, flags); 922009a0f719SVikas Chaudhary srb = (struct srb *) CMD_SP(cmd); 922192b3e5bbSMike Christie if (!srb) { 922292b3e5bbSMike Christie spin_unlock_irqrestore(&ha->hardware_lock, flags); 92239cb78c16SHannes Reinecke ql4_printk(KERN_INFO, ha, "scsi%ld:%d:%llu: Specified command has already completed.\n", 922463c9e814SVikas Chaudhary ha->host_no, id, lun); 922509a0f719SVikas Chaudhary return SUCCESS; 922692b3e5bbSMike Christie } 922709a0f719SVikas Chaudhary kref_get(&srb->srb_ref); 922892b3e5bbSMike Christie spin_unlock_irqrestore(&ha->hardware_lock, flags); 922909a0f719SVikas Chaudhary 923009a0f719SVikas Chaudhary if (qla4xxx_abort_task(ha, srb) != QLA_SUCCESS) { 92319cb78c16SHannes Reinecke DEBUG3(printk("scsi%ld:%d:%llu: Abort_task mbx failed.\n", 923209a0f719SVikas Chaudhary ha->host_no, id, lun)); 923309a0f719SVikas Chaudhary ret = FAILED; 923409a0f719SVikas Chaudhary } else { 92359cb78c16SHannes Reinecke DEBUG3(printk("scsi%ld:%d:%llu: Abort_task mbx success.\n", 923609a0f719SVikas Chaudhary ha->host_no, id, lun)); 923709a0f719SVikas Chaudhary wait = 1; 923809a0f719SVikas Chaudhary } 923909a0f719SVikas Chaudhary 924009a0f719SVikas Chaudhary kref_put(&srb->srb_ref, qla4xxx_srb_compl); 924109a0f719SVikas Chaudhary 924209a0f719SVikas Chaudhary /* Wait for command to complete */ 924309a0f719SVikas Chaudhary if (wait) { 924409a0f719SVikas Chaudhary if (!qla4xxx_eh_wait_on_command(ha, cmd)) { 92459cb78c16SHannes Reinecke DEBUG2(printk("scsi%ld:%d:%llu: Abort handler timed out\n", 924609a0f719SVikas Chaudhary ha->host_no, id, lun)); 924709a0f719SVikas Chaudhary ret = FAILED; 924809a0f719SVikas Chaudhary } 924909a0f719SVikas Chaudhary } 925009a0f719SVikas Chaudhary 9251c2660df3SVikas Chaudhary ql4_printk(KERN_INFO, ha, 92529cb78c16SHannes Reinecke "scsi%ld:%d:%llu: Abort command - %s\n", 925325985edcSLucas De Marchi ha->host_no, id, lun, (ret == SUCCESS) ? "succeeded" : "failed"); 925409a0f719SVikas Chaudhary 925509a0f719SVikas Chaudhary return ret; 925609a0f719SVikas Chaudhary } 925709a0f719SVikas Chaudhary 925809a0f719SVikas Chaudhary /** 9259afaf5a2dSDavid Somayajulu * qla4xxx_eh_device_reset - callback for target reset. 9260afaf5a2dSDavid Somayajulu * @cmd: Pointer to Linux's SCSI command structure 9261afaf5a2dSDavid Somayajulu * 9262afaf5a2dSDavid Somayajulu * This routine is called by the Linux OS to reset all luns on the 9263afaf5a2dSDavid Somayajulu * specified target. 9264afaf5a2dSDavid Somayajulu **/ 9265afaf5a2dSDavid Somayajulu static int qla4xxx_eh_device_reset(struct scsi_cmnd *cmd) 9266afaf5a2dSDavid Somayajulu { 9267afaf5a2dSDavid Somayajulu struct scsi_qla_host *ha = to_qla_host(cmd->device->host); 9268afaf5a2dSDavid Somayajulu struct ddb_entry *ddb_entry = cmd->device->hostdata; 9269afaf5a2dSDavid Somayajulu int ret = FAILED, stat; 92701bc5ad3aSManish Rangankar int rval; 9271afaf5a2dSDavid Somayajulu 9272612f7348SKaren Higgins if (!ddb_entry) 9273afaf5a2dSDavid Somayajulu return ret; 9274afaf5a2dSDavid Somayajulu 9275c01be6dcSMike Christie ret = iscsi_block_scsi_eh(cmd); 9276c01be6dcSMike Christie if (ret) 9277c01be6dcSMike Christie return ret; 9278c01be6dcSMike Christie ret = FAILED; 9279c01be6dcSMike Christie 9280c2660df3SVikas Chaudhary ql4_printk(KERN_INFO, ha, 92819cb78c16SHannes Reinecke "scsi%ld:%d:%d:%llu: DEVICE RESET ISSUED.\n", ha->host_no, 9282afaf5a2dSDavid Somayajulu cmd->device->channel, cmd->device->id, cmd->device->lun); 9283afaf5a2dSDavid Somayajulu 9284afaf5a2dSDavid Somayajulu DEBUG2(printk(KERN_INFO 9285afaf5a2dSDavid Somayajulu "scsi%ld: DEVICE_RESET cmd=%p jiffies = 0x%lx, to=%x," 9286afaf5a2dSDavid Somayajulu "dpc_flags=%lx, status=%x allowed=%d\n", ha->host_no, 9287242f9dcbSJens Axboe cmd, jiffies, cmd->request->timeout / HZ, 9288afaf5a2dSDavid Somayajulu ha->dpc_flags, cmd->result, cmd->allowed)); 9289afaf5a2dSDavid Somayajulu 92901bc5ad3aSManish Rangankar rval = qla4xxx_isp_check_reg(ha); 92911bc5ad3aSManish Rangankar if (rval != QLA_SUCCESS) { 92921bc5ad3aSManish Rangankar ql4_printk(KERN_INFO, ha, "PCI/Register disconnect, exiting.\n"); 92931bc5ad3aSManish Rangankar return FAILED; 92941bc5ad3aSManish Rangankar } 92951bc5ad3aSManish Rangankar 9296afaf5a2dSDavid Somayajulu /* FIXME: wait for hba to go online */ 9297afaf5a2dSDavid Somayajulu stat = qla4xxx_reset_lun(ha, ddb_entry, cmd->device->lun); 9298afaf5a2dSDavid Somayajulu if (stat != QLA_SUCCESS) { 9299c2660df3SVikas Chaudhary ql4_printk(KERN_INFO, ha, "DEVICE RESET FAILED. %d\n", stat); 9300afaf5a2dSDavid Somayajulu goto eh_dev_reset_done; 9301afaf5a2dSDavid Somayajulu } 9302afaf5a2dSDavid Somayajulu 9303ce545039SMike Christie if (qla4xxx_eh_wait_for_commands(ha, scsi_target(cmd->device), 9304ce545039SMike Christie cmd->device)) { 9305c2660df3SVikas Chaudhary ql4_printk(KERN_INFO, ha, 9306afaf5a2dSDavid Somayajulu "DEVICE RESET FAILED - waiting for " 9307afaf5a2dSDavid Somayajulu "commands.\n"); 9308afaf5a2dSDavid Somayajulu goto eh_dev_reset_done; 9309afaf5a2dSDavid Somayajulu } 9310afaf5a2dSDavid Somayajulu 93119d562913SDavid C Somayajulu /* Send marker. */ 93129d562913SDavid C Somayajulu if (qla4xxx_send_marker_iocb(ha, ddb_entry, cmd->device->lun, 93139d562913SDavid C Somayajulu MM_LUN_RESET) != QLA_SUCCESS) 93149d562913SDavid C Somayajulu goto eh_dev_reset_done; 93159d562913SDavid C Somayajulu 9316c2660df3SVikas Chaudhary ql4_printk(KERN_INFO, ha, 93179cb78c16SHannes Reinecke "scsi(%ld:%d:%d:%llu): DEVICE RESET SUCCEEDED.\n", 9318afaf5a2dSDavid Somayajulu ha->host_no, cmd->device->channel, cmd->device->id, 9319afaf5a2dSDavid Somayajulu cmd->device->lun); 9320afaf5a2dSDavid Somayajulu 9321afaf5a2dSDavid Somayajulu ret = SUCCESS; 9322afaf5a2dSDavid Somayajulu 9323afaf5a2dSDavid Somayajulu eh_dev_reset_done: 9324afaf5a2dSDavid Somayajulu 9325afaf5a2dSDavid Somayajulu return ret; 9326afaf5a2dSDavid Somayajulu } 9327afaf5a2dSDavid Somayajulu 9328afaf5a2dSDavid Somayajulu /** 9329ce545039SMike Christie * qla4xxx_eh_target_reset - callback for target reset. 9330ce545039SMike Christie * @cmd: Pointer to Linux's SCSI command structure 9331ce545039SMike Christie * 9332ce545039SMike Christie * This routine is called by the Linux OS to reset the target. 9333ce545039SMike Christie **/ 9334ce545039SMike Christie static int qla4xxx_eh_target_reset(struct scsi_cmnd *cmd) 9335ce545039SMike Christie { 9336ce545039SMike Christie struct scsi_qla_host *ha = to_qla_host(cmd->device->host); 9337ce545039SMike Christie struct ddb_entry *ddb_entry = cmd->device->hostdata; 9338c01be6dcSMike Christie int stat, ret; 93391bc5ad3aSManish Rangankar int rval; 9340ce545039SMike Christie 9341ce545039SMike Christie if (!ddb_entry) 9342ce545039SMike Christie return FAILED; 9343ce545039SMike Christie 9344c01be6dcSMike Christie ret = iscsi_block_scsi_eh(cmd); 9345c01be6dcSMike Christie if (ret) 9346c01be6dcSMike Christie return ret; 9347c01be6dcSMike Christie 9348ce545039SMike Christie starget_printk(KERN_INFO, scsi_target(cmd->device), 9349ce545039SMike Christie "WARM TARGET RESET ISSUED.\n"); 9350ce545039SMike Christie 9351ce545039SMike Christie DEBUG2(printk(KERN_INFO 9352ce545039SMike Christie "scsi%ld: TARGET_DEVICE_RESET cmd=%p jiffies = 0x%lx, " 9353ce545039SMike Christie "to=%x,dpc_flags=%lx, status=%x allowed=%d\n", 9354242f9dcbSJens Axboe ha->host_no, cmd, jiffies, cmd->request->timeout / HZ, 9355ce545039SMike Christie ha->dpc_flags, cmd->result, cmd->allowed)); 9356ce545039SMike Christie 93571bc5ad3aSManish Rangankar rval = qla4xxx_isp_check_reg(ha); 93581bc5ad3aSManish Rangankar if (rval != QLA_SUCCESS) { 93591bc5ad3aSManish Rangankar ql4_printk(KERN_INFO, ha, "PCI/Register disconnect, exiting.\n"); 93601bc5ad3aSManish Rangankar return FAILED; 93611bc5ad3aSManish Rangankar } 93621bc5ad3aSManish Rangankar 9363ce545039SMike Christie stat = qla4xxx_reset_target(ha, ddb_entry); 9364ce545039SMike Christie if (stat != QLA_SUCCESS) { 9365ce545039SMike Christie starget_printk(KERN_INFO, scsi_target(cmd->device), 9366ce545039SMike Christie "WARM TARGET RESET FAILED.\n"); 9367ce545039SMike Christie return FAILED; 9368ce545039SMike Christie } 9369ce545039SMike Christie 9370ce545039SMike Christie if (qla4xxx_eh_wait_for_commands(ha, scsi_target(cmd->device), 9371ce545039SMike Christie NULL)) { 9372ce545039SMike Christie starget_printk(KERN_INFO, scsi_target(cmd->device), 9373ce545039SMike Christie "WARM TARGET DEVICE RESET FAILED - " 9374ce545039SMike Christie "waiting for commands.\n"); 9375ce545039SMike Christie return FAILED; 9376ce545039SMike Christie } 9377ce545039SMike Christie 93789d562913SDavid C Somayajulu /* Send marker. */ 93799d562913SDavid C Somayajulu if (qla4xxx_send_marker_iocb(ha, ddb_entry, cmd->device->lun, 93809d562913SDavid C Somayajulu MM_TGT_WARM_RESET) != QLA_SUCCESS) { 93819d562913SDavid C Somayajulu starget_printk(KERN_INFO, scsi_target(cmd->device), 93829d562913SDavid C Somayajulu "WARM TARGET DEVICE RESET FAILED - " 93839d562913SDavid C Somayajulu "marker iocb failed.\n"); 93849d562913SDavid C Somayajulu return FAILED; 93859d562913SDavid C Somayajulu } 93869d562913SDavid C Somayajulu 9387ce545039SMike Christie starget_printk(KERN_INFO, scsi_target(cmd->device), 9388ce545039SMike Christie "WARM TARGET RESET SUCCEEDED.\n"); 9389ce545039SMike Christie return SUCCESS; 9390ce545039SMike Christie } 9391ce545039SMike Christie 9392ce545039SMike Christie /** 93938a288960SSarang Radke * qla4xxx_is_eh_active - check if error handler is running 93948a288960SSarang Radke * @shost: Pointer to SCSI Host struct 93958a288960SSarang Radke * 93968a288960SSarang Radke * This routine finds that if reset host is called in EH 93978a288960SSarang Radke * scenario or from some application like sg_reset 93988a288960SSarang Radke **/ 93998a288960SSarang Radke static int qla4xxx_is_eh_active(struct Scsi_Host *shost) 94008a288960SSarang Radke { 94018a288960SSarang Radke if (shost->shost_state == SHOST_RECOVERY) 94028a288960SSarang Radke return 1; 94038a288960SSarang Radke return 0; 94048a288960SSarang Radke } 94058a288960SSarang Radke 94068a288960SSarang Radke /** 9407afaf5a2dSDavid Somayajulu * qla4xxx_eh_host_reset - kernel callback 9408afaf5a2dSDavid Somayajulu * @cmd: Pointer to Linux's SCSI command structure 9409afaf5a2dSDavid Somayajulu * 9410afaf5a2dSDavid Somayajulu * This routine is invoked by the Linux kernel to perform fatal error 9411afaf5a2dSDavid Somayajulu * recovery on the specified adapter. 9412afaf5a2dSDavid Somayajulu **/ 9413afaf5a2dSDavid Somayajulu static int qla4xxx_eh_host_reset(struct scsi_cmnd *cmd) 9414afaf5a2dSDavid Somayajulu { 9415afaf5a2dSDavid Somayajulu int return_status = FAILED; 9416afaf5a2dSDavid Somayajulu struct scsi_qla_host *ha; 94171bc5ad3aSManish Rangankar int rval; 9418afaf5a2dSDavid Somayajulu 9419b3a271a9SManish Rangankar ha = to_qla_host(cmd->device->host); 9420afaf5a2dSDavid Somayajulu 94211bc5ad3aSManish Rangankar rval = qla4xxx_isp_check_reg(ha); 94221bc5ad3aSManish Rangankar if (rval != QLA_SUCCESS) { 94231bc5ad3aSManish Rangankar ql4_printk(KERN_INFO, ha, "PCI/Register disconnect, exiting.\n"); 94241bc5ad3aSManish Rangankar return FAILED; 94251bc5ad3aSManish Rangankar } 94261bc5ad3aSManish Rangankar 9427b37ca418SVikas Chaudhary if ((is_qla8032(ha) || is_qla8042(ha)) && ql4xdontresethba) 94286e7b4292SVikas Chaudhary qla4_83xx_set_idc_dontreset(ha); 94296e7b4292SVikas Chaudhary 94306e7b4292SVikas Chaudhary /* 9431b37ca418SVikas Chaudhary * For ISP8324 and ISP8042, if IDC_CTRL DONTRESET_BIT0 is set by other 9432b37ca418SVikas Chaudhary * protocol drivers, we should not set device_state to NEED_RESET 94336e7b4292SVikas Chaudhary */ 94346e7b4292SVikas Chaudhary if (ql4xdontresethba || 9435b37ca418SVikas Chaudhary ((is_qla8032(ha) || is_qla8042(ha)) && 9436b37ca418SVikas Chaudhary qla4_83xx_idc_dontreset(ha))) { 9437f4f5df23SVikas Chaudhary DEBUG2(printk("scsi%ld: %s: Don't Reset HBA\n", 9438f4f5df23SVikas Chaudhary ha->host_no, __func__)); 94398a288960SSarang Radke 94408a288960SSarang Radke /* Clear outstanding srb in queues */ 94418a288960SSarang Radke if (qla4xxx_is_eh_active(cmd->device->host)) 94428a288960SSarang Radke qla4xxx_abort_active_cmds(ha, DID_ABORT << 16); 94438a288960SSarang Radke 9444f4f5df23SVikas Chaudhary return FAILED; 9445f4f5df23SVikas Chaudhary } 9446f4f5df23SVikas Chaudhary 9447c2660df3SVikas Chaudhary ql4_printk(KERN_INFO, ha, 94489cb78c16SHannes Reinecke "scsi(%ld:%d:%d:%llu): HOST RESET ISSUED.\n", ha->host_no, 9449afaf5a2dSDavid Somayajulu cmd->device->channel, cmd->device->id, cmd->device->lun); 9450afaf5a2dSDavid Somayajulu 9451afaf5a2dSDavid Somayajulu if (qla4xxx_wait_for_hba_online(ha) != QLA_SUCCESS) { 9452afaf5a2dSDavid Somayajulu DEBUG2(printk("scsi%ld:%d: %s: Unable to reset host. Adapter " 9453afaf5a2dSDavid Somayajulu "DEAD.\n", ha->host_no, cmd->device->channel, 9454afaf5a2dSDavid Somayajulu __func__)); 9455afaf5a2dSDavid Somayajulu 9456afaf5a2dSDavid Somayajulu return FAILED; 9457afaf5a2dSDavid Somayajulu } 9458afaf5a2dSDavid Somayajulu 9459f4f5df23SVikas Chaudhary if (!test_bit(DPC_RESET_HA, &ha->dpc_flags)) { 94606e7b4292SVikas Chaudhary if (is_qla80XX(ha)) 9461f4f5df23SVikas Chaudhary set_bit(DPC_RESET_HA_FW_CONTEXT, &ha->dpc_flags); 9462f4f5df23SVikas Chaudhary else 9463f4f5df23SVikas Chaudhary set_bit(DPC_RESET_HA, &ha->dpc_flags); 9464f4f5df23SVikas Chaudhary } 946550a29aecSMike Christie 9466f4f5df23SVikas Chaudhary if (qla4xxx_recover_adapter(ha) == QLA_SUCCESS) 9467afaf5a2dSDavid Somayajulu return_status = SUCCESS; 9468afaf5a2dSDavid Somayajulu 9469c2660df3SVikas Chaudhary ql4_printk(KERN_INFO, ha, "HOST RESET %s.\n", 947025985edcSLucas De Marchi return_status == FAILED ? "FAILED" : "SUCCEEDED"); 9471afaf5a2dSDavid Somayajulu 9472afaf5a2dSDavid Somayajulu return return_status; 9473afaf5a2dSDavid Somayajulu } 9474afaf5a2dSDavid Somayajulu 947595d31262SVikas Chaudhary static int qla4xxx_context_reset(struct scsi_qla_host *ha) 947695d31262SVikas Chaudhary { 947795d31262SVikas Chaudhary uint32_t mbox_cmd[MBOX_REG_COUNT]; 947895d31262SVikas Chaudhary uint32_t mbox_sts[MBOX_REG_COUNT]; 947995d31262SVikas Chaudhary struct addr_ctrl_blk_def *acb = NULL; 948095d31262SVikas Chaudhary uint32_t acb_len = sizeof(struct addr_ctrl_blk_def); 948195d31262SVikas Chaudhary int rval = QLA_SUCCESS; 948295d31262SVikas Chaudhary dma_addr_t acb_dma; 948395d31262SVikas Chaudhary 948495d31262SVikas Chaudhary acb = dma_alloc_coherent(&ha->pdev->dev, 948595d31262SVikas Chaudhary sizeof(struct addr_ctrl_blk_def), 948695d31262SVikas Chaudhary &acb_dma, GFP_KERNEL); 948795d31262SVikas Chaudhary if (!acb) { 948895d31262SVikas Chaudhary ql4_printk(KERN_ERR, ha, "%s: Unable to alloc acb\n", 948995d31262SVikas Chaudhary __func__); 949095d31262SVikas Chaudhary rval = -ENOMEM; 949195d31262SVikas Chaudhary goto exit_port_reset; 949295d31262SVikas Chaudhary } 949395d31262SVikas Chaudhary 949495d31262SVikas Chaudhary memset(acb, 0, acb_len); 949595d31262SVikas Chaudhary 949695d31262SVikas Chaudhary rval = qla4xxx_get_acb(ha, acb_dma, PRIMARI_ACB, acb_len); 949795d31262SVikas Chaudhary if (rval != QLA_SUCCESS) { 949895d31262SVikas Chaudhary rval = -EIO; 949995d31262SVikas Chaudhary goto exit_free_acb; 950095d31262SVikas Chaudhary } 950195d31262SVikas Chaudhary 950295d31262SVikas Chaudhary rval = qla4xxx_disable_acb(ha); 950395d31262SVikas Chaudhary if (rval != QLA_SUCCESS) { 950495d31262SVikas Chaudhary rval = -EIO; 950595d31262SVikas Chaudhary goto exit_free_acb; 950695d31262SVikas Chaudhary } 950795d31262SVikas Chaudhary 950895d31262SVikas Chaudhary wait_for_completion_timeout(&ha->disable_acb_comp, 950995d31262SVikas Chaudhary DISABLE_ACB_TOV * HZ); 951095d31262SVikas Chaudhary 951195d31262SVikas Chaudhary rval = qla4xxx_set_acb(ha, &mbox_cmd[0], &mbox_sts[0], acb_dma); 951295d31262SVikas Chaudhary if (rval != QLA_SUCCESS) { 951395d31262SVikas Chaudhary rval = -EIO; 951495d31262SVikas Chaudhary goto exit_free_acb; 951595d31262SVikas Chaudhary } 951695d31262SVikas Chaudhary 951795d31262SVikas Chaudhary exit_free_acb: 951895d31262SVikas Chaudhary dma_free_coherent(&ha->pdev->dev, sizeof(struct addr_ctrl_blk_def), 951995d31262SVikas Chaudhary acb, acb_dma); 952095d31262SVikas Chaudhary exit_port_reset: 952195d31262SVikas Chaudhary DEBUG2(ql4_printk(KERN_INFO, ha, "%s %s\n", __func__, 952295d31262SVikas Chaudhary rval == QLA_SUCCESS ? "SUCCEEDED" : "FAILED")); 952395d31262SVikas Chaudhary return rval; 952495d31262SVikas Chaudhary } 952595d31262SVikas Chaudhary 952695d31262SVikas Chaudhary static int qla4xxx_host_reset(struct Scsi_Host *shost, int reset_type) 952795d31262SVikas Chaudhary { 952895d31262SVikas Chaudhary struct scsi_qla_host *ha = to_qla_host(shost); 952995d31262SVikas Chaudhary int rval = QLA_SUCCESS; 9530ebd777deSVikas Chaudhary uint32_t idc_ctrl; 953195d31262SVikas Chaudhary 953295d31262SVikas Chaudhary if (ql4xdontresethba) { 953395d31262SVikas Chaudhary DEBUG2(ql4_printk(KERN_INFO, ha, "%s: Don't Reset HBA\n", 953495d31262SVikas Chaudhary __func__)); 953595d31262SVikas Chaudhary rval = -EPERM; 953695d31262SVikas Chaudhary goto exit_host_reset; 953795d31262SVikas Chaudhary } 953895d31262SVikas Chaudhary 953995d31262SVikas Chaudhary if (test_bit(DPC_RESET_HA, &ha->dpc_flags)) 954095d31262SVikas Chaudhary goto recover_adapter; 954195d31262SVikas Chaudhary 954295d31262SVikas Chaudhary switch (reset_type) { 954395d31262SVikas Chaudhary case SCSI_ADAPTER_RESET: 954495d31262SVikas Chaudhary set_bit(DPC_RESET_HA, &ha->dpc_flags); 954595d31262SVikas Chaudhary break; 954695d31262SVikas Chaudhary case SCSI_FIRMWARE_RESET: 954795d31262SVikas Chaudhary if (!test_bit(DPC_RESET_HA, &ha->dpc_flags)) { 95486e7b4292SVikas Chaudhary if (is_qla80XX(ha)) 954995d31262SVikas Chaudhary /* set firmware context reset */ 955095d31262SVikas Chaudhary set_bit(DPC_RESET_HA_FW_CONTEXT, 955195d31262SVikas Chaudhary &ha->dpc_flags); 955295d31262SVikas Chaudhary else { 955395d31262SVikas Chaudhary rval = qla4xxx_context_reset(ha); 955495d31262SVikas Chaudhary goto exit_host_reset; 955595d31262SVikas Chaudhary } 955695d31262SVikas Chaudhary } 955795d31262SVikas Chaudhary break; 955895d31262SVikas Chaudhary } 955995d31262SVikas Chaudhary 956095d31262SVikas Chaudhary recover_adapter: 9561b37ca418SVikas Chaudhary /* For ISP8324 and ISP8042 set graceful reset bit in IDC_DRV_CTRL if 9562ebd777deSVikas Chaudhary * reset is issued by application */ 9563b37ca418SVikas Chaudhary if ((is_qla8032(ha) || is_qla8042(ha)) && 9564b37ca418SVikas Chaudhary test_bit(DPC_RESET_HA, &ha->dpc_flags)) { 9565ebd777deSVikas Chaudhary idc_ctrl = qla4_83xx_rd_reg(ha, QLA83XX_IDC_DRV_CTRL); 9566ebd777deSVikas Chaudhary qla4_83xx_wr_reg(ha, QLA83XX_IDC_DRV_CTRL, 9567ebd777deSVikas Chaudhary (idc_ctrl | GRACEFUL_RESET_BIT1)); 9568ebd777deSVikas Chaudhary } 9569ebd777deSVikas Chaudhary 957095d31262SVikas Chaudhary rval = qla4xxx_recover_adapter(ha); 957195d31262SVikas Chaudhary if (rval != QLA_SUCCESS) { 957295d31262SVikas Chaudhary DEBUG2(ql4_printk(KERN_INFO, ha, "%s: recover adapter fail\n", 957395d31262SVikas Chaudhary __func__)); 957495d31262SVikas Chaudhary rval = -EIO; 957595d31262SVikas Chaudhary } 957695d31262SVikas Chaudhary 957795d31262SVikas Chaudhary exit_host_reset: 957895d31262SVikas Chaudhary return rval; 957995d31262SVikas Chaudhary } 958095d31262SVikas Chaudhary 95812232be0dSLalit Chandivade /* PCI AER driver recovers from all correctable errors w/o 95822232be0dSLalit Chandivade * driver intervention. For uncorrectable errors PCI AER 95832232be0dSLalit Chandivade * driver calls the following device driver's callbacks 95842232be0dSLalit Chandivade * 95852232be0dSLalit Chandivade * - Fatal Errors - link_reset 9586364757e4SCao jin * - Non-Fatal Errors - driver's error_detected() which 95872232be0dSLalit Chandivade * returns CAN_RECOVER, NEED_RESET or DISCONNECT. 95882232be0dSLalit Chandivade * 95892232be0dSLalit Chandivade * PCI AER driver calls 9590364757e4SCao jin * CAN_RECOVER - driver's mmio_enabled(), mmio_enabled() 95912232be0dSLalit Chandivade * returns RECOVERED or NEED_RESET if fw_hung 95922232be0dSLalit Chandivade * NEED_RESET - driver's slot_reset() 95932232be0dSLalit Chandivade * DISCONNECT - device is dead & cannot recover 9594364757e4SCao jin * RECOVERED - driver's resume() 95952232be0dSLalit Chandivade */ 95962232be0dSLalit Chandivade static pci_ers_result_t 95972232be0dSLalit Chandivade qla4xxx_pci_error_detected(struct pci_dev *pdev, pci_channel_state_t state) 95982232be0dSLalit Chandivade { 95992232be0dSLalit Chandivade struct scsi_qla_host *ha = pci_get_drvdata(pdev); 96002232be0dSLalit Chandivade 96012232be0dSLalit Chandivade ql4_printk(KERN_WARNING, ha, "scsi%ld: %s: error detected:state %x\n", 96022232be0dSLalit Chandivade ha->host_no, __func__, state); 96032232be0dSLalit Chandivade 96042232be0dSLalit Chandivade if (!is_aer_supported(ha)) 96052232be0dSLalit Chandivade return PCI_ERS_RESULT_NONE; 96062232be0dSLalit Chandivade 96072232be0dSLalit Chandivade switch (state) { 96082232be0dSLalit Chandivade case pci_channel_io_normal: 96092232be0dSLalit Chandivade clear_bit(AF_EEH_BUSY, &ha->flags); 96102232be0dSLalit Chandivade return PCI_ERS_RESULT_CAN_RECOVER; 96112232be0dSLalit Chandivade case pci_channel_io_frozen: 96122232be0dSLalit Chandivade set_bit(AF_EEH_BUSY, &ha->flags); 96132232be0dSLalit Chandivade qla4xxx_mailbox_premature_completion(ha); 96142232be0dSLalit Chandivade qla4xxx_free_irqs(ha); 96152232be0dSLalit Chandivade pci_disable_device(pdev); 96167b3595dfSVikas Chaudhary /* Return back all IOs */ 96177b3595dfSVikas Chaudhary qla4xxx_abort_active_cmds(ha, DID_RESET << 16); 96182232be0dSLalit Chandivade return PCI_ERS_RESULT_NEED_RESET; 96192232be0dSLalit Chandivade case pci_channel_io_perm_failure: 96202232be0dSLalit Chandivade set_bit(AF_EEH_BUSY, &ha->flags); 96212232be0dSLalit Chandivade set_bit(AF_PCI_CHANNEL_IO_PERM_FAILURE, &ha->flags); 96222232be0dSLalit Chandivade qla4xxx_abort_active_cmds(ha, DID_NO_CONNECT << 16); 96232232be0dSLalit Chandivade return PCI_ERS_RESULT_DISCONNECT; 96242232be0dSLalit Chandivade } 96252232be0dSLalit Chandivade return PCI_ERS_RESULT_NEED_RESET; 96262232be0dSLalit Chandivade } 96272232be0dSLalit Chandivade 96282232be0dSLalit Chandivade /** 9629ecef0c9eSLee Jones * qla4xxx_pci_mmio_enabled() - gets called if 96302232be0dSLalit Chandivade * qla4xxx_pci_error_detected() returns PCI_ERS_RESULT_CAN_RECOVER 96312232be0dSLalit Chandivade * and read/write to the device still works. 9632cdeeb36dSLee Jones * @pdev: PCI device pointer 96332232be0dSLalit Chandivade **/ 96342232be0dSLalit Chandivade static pci_ers_result_t 96352232be0dSLalit Chandivade qla4xxx_pci_mmio_enabled(struct pci_dev *pdev) 96362232be0dSLalit Chandivade { 96372232be0dSLalit Chandivade struct scsi_qla_host *ha = pci_get_drvdata(pdev); 96382232be0dSLalit Chandivade 96392232be0dSLalit Chandivade if (!is_aer_supported(ha)) 96402232be0dSLalit Chandivade return PCI_ERS_RESULT_NONE; 96412232be0dSLalit Chandivade 96422232be0dSLalit Chandivade return PCI_ERS_RESULT_RECOVERED; 96432232be0dSLalit Chandivade } 96442232be0dSLalit Chandivade 96457b3595dfSVikas Chaudhary static uint32_t qla4_8xxx_error_recovery(struct scsi_qla_host *ha) 96462232be0dSLalit Chandivade { 96472232be0dSLalit Chandivade uint32_t rval = QLA_ERROR; 96482232be0dSLalit Chandivade int fn; 96492232be0dSLalit Chandivade struct pci_dev *other_pdev = NULL; 96502232be0dSLalit Chandivade 96512232be0dSLalit Chandivade ql4_printk(KERN_WARNING, ha, "scsi%ld: In %s\n", ha->host_no, __func__); 96522232be0dSLalit Chandivade 96532232be0dSLalit Chandivade set_bit(DPC_RESET_ACTIVE, &ha->dpc_flags); 96542232be0dSLalit Chandivade 96552232be0dSLalit Chandivade if (test_bit(AF_ONLINE, &ha->flags)) { 96562232be0dSLalit Chandivade clear_bit(AF_ONLINE, &ha->flags); 9657b3a271a9SManish Rangankar clear_bit(AF_LINK_UP, &ha->flags); 9658b3a271a9SManish Rangankar iscsi_host_for_each_session(ha->host, qla4xxx_fail_session); 96592232be0dSLalit Chandivade qla4xxx_process_aen(ha, FLUSH_DDB_CHANGED_AENS); 96602232be0dSLalit Chandivade } 96612232be0dSLalit Chandivade 96622232be0dSLalit Chandivade fn = PCI_FUNC(ha->pdev->devfn); 9663daa34eb4STej Parkash if (is_qla8022(ha)) { 96642232be0dSLalit Chandivade while (fn > 0) { 96652232be0dSLalit Chandivade fn--; 9666daa34eb4STej Parkash ql4_printk(KERN_INFO, ha, "scsi%ld: %s: Finding PCI device at func %x\n", 9667daa34eb4STej Parkash ha->host_no, __func__, fn); 96682232be0dSLalit Chandivade /* Get the pci device given the domain, bus, 96692232be0dSLalit Chandivade * slot/function number */ 9670daa34eb4STej Parkash other_pdev = pci_get_domain_bus_and_slot( 9671daa34eb4STej Parkash pci_domain_nr(ha->pdev->bus), 9672daa34eb4STej Parkash ha->pdev->bus->number, 9673daa34eb4STej Parkash PCI_DEVFN(PCI_SLOT(ha->pdev->devfn), 96742232be0dSLalit Chandivade fn)); 96752232be0dSLalit Chandivade 96762232be0dSLalit Chandivade if (!other_pdev) 96772232be0dSLalit Chandivade continue; 96782232be0dSLalit Chandivade 96792232be0dSLalit Chandivade if (atomic_read(&other_pdev->enable_cnt)) { 9680daa34eb4STej Parkash ql4_printk(KERN_INFO, ha, "scsi%ld: %s: Found PCI func in enabled state%x\n", 9681daa34eb4STej Parkash ha->host_no, __func__, fn); 96822232be0dSLalit Chandivade pci_dev_put(other_pdev); 96832232be0dSLalit Chandivade break; 96842232be0dSLalit Chandivade } 96852232be0dSLalit Chandivade pci_dev_put(other_pdev); 96862232be0dSLalit Chandivade } 9687daa34eb4STej Parkash } else { 9688daa34eb4STej Parkash /* this case is meant for ISP83xx/ISP84xx only */ 9689daa34eb4STej Parkash if (qla4_83xx_can_perform_reset(ha)) { 9690daa34eb4STej Parkash /* reset fn as iSCSI is going to perform the reset */ 9691daa34eb4STej Parkash fn = 0; 9692daa34eb4STej Parkash } 9693daa34eb4STej Parkash } 96942232be0dSLalit Chandivade 96952232be0dSLalit Chandivade /* The first function on the card, the reset owner will 96962232be0dSLalit Chandivade * start & initialize the firmware. The other functions 96972232be0dSLalit Chandivade * on the card will reset the firmware context 96982232be0dSLalit Chandivade */ 96992232be0dSLalit Chandivade if (!fn) { 97002232be0dSLalit Chandivade ql4_printk(KERN_INFO, ha, "scsi%ld: %s: devfn being reset " 97012232be0dSLalit Chandivade "0x%x is the owner\n", ha->host_no, __func__, 97022232be0dSLalit Chandivade ha->pdev->devfn); 97032232be0dSLalit Chandivade 970433693c7aSVikas Chaudhary ha->isp_ops->idc_lock(ha); 970533693c7aSVikas Chaudhary qla4_8xxx_wr_direct(ha, QLA8XXX_CRB_DEV_STATE, 9706de8c72daSVikas Chaudhary QLA8XXX_DEV_COLD); 970733693c7aSVikas Chaudhary ha->isp_ops->idc_unlock(ha); 97082232be0dSLalit Chandivade 970939c95826SVikas Chaudhary rval = qla4_8xxx_update_idc_reg(ha); 971039c95826SVikas Chaudhary if (rval == QLA_ERROR) { 971139c95826SVikas Chaudhary ql4_printk(KERN_INFO, ha, "scsi%ld: %s: HW State: FAILED\n", 971239c95826SVikas Chaudhary ha->host_no, __func__); 971339c95826SVikas Chaudhary ha->isp_ops->idc_lock(ha); 971439c95826SVikas Chaudhary qla4_8xxx_wr_direct(ha, QLA8XXX_CRB_DEV_STATE, 971539c95826SVikas Chaudhary QLA8XXX_DEV_FAILED); 971639c95826SVikas Chaudhary ha->isp_ops->idc_unlock(ha); 971739c95826SVikas Chaudhary goto exit_error_recovery; 971839c95826SVikas Chaudhary } 97192232be0dSLalit Chandivade 97202232be0dSLalit Chandivade clear_bit(AF_FW_RECOVERY, &ha->flags); 972113483730SMike Christie rval = qla4xxx_initialize_adapter(ha, RESET_ADAPTER); 97222232be0dSLalit Chandivade 97232232be0dSLalit Chandivade if (rval != QLA_SUCCESS) { 97242232be0dSLalit Chandivade ql4_printk(KERN_INFO, ha, "scsi%ld: %s: HW State: " 97252232be0dSLalit Chandivade "FAILED\n", ha->host_no, __func__); 972637418cc6SNilesh Javali qla4xxx_free_irqs(ha); 972782761907SPoornima Vonti ha->isp_ops->idc_lock(ha); 97282232be0dSLalit Chandivade qla4_8xxx_clear_drv_active(ha); 972933693c7aSVikas Chaudhary qla4_8xxx_wr_direct(ha, QLA8XXX_CRB_DEV_STATE, 9730de8c72daSVikas Chaudhary QLA8XXX_DEV_FAILED); 973182761907SPoornima Vonti ha->isp_ops->idc_unlock(ha); 97322232be0dSLalit Chandivade } else { 97332232be0dSLalit Chandivade ql4_printk(KERN_INFO, ha, "scsi%ld: %s: HW State: " 97342232be0dSLalit Chandivade "READY\n", ha->host_no, __func__); 973582761907SPoornima Vonti ha->isp_ops->idc_lock(ha); 973633693c7aSVikas Chaudhary qla4_8xxx_wr_direct(ha, QLA8XXX_CRB_DEV_STATE, 9737de8c72daSVikas Chaudhary QLA8XXX_DEV_READY); 97382232be0dSLalit Chandivade /* Clear driver state register */ 973933693c7aSVikas Chaudhary qla4_8xxx_wr_direct(ha, QLA8XXX_CRB_DRV_STATE, 0); 97402232be0dSLalit Chandivade qla4_8xxx_set_drv_active(ha); 974182761907SPoornima Vonti ha->isp_ops->idc_unlock(ha); 97422232be0dSLalit Chandivade ha->isp_ops->enable_intrs(ha); 97432232be0dSLalit Chandivade } 97442232be0dSLalit Chandivade } else { 97452232be0dSLalit Chandivade ql4_printk(KERN_INFO, ha, "scsi%ld: %s: devfn 0x%x is not " 97462232be0dSLalit Chandivade "the reset owner\n", ha->host_no, __func__, 97472232be0dSLalit Chandivade ha->pdev->devfn); 974833693c7aSVikas Chaudhary if ((qla4_8xxx_rd_direct(ha, QLA8XXX_CRB_DEV_STATE) == 9749de8c72daSVikas Chaudhary QLA8XXX_DEV_READY)) { 97502232be0dSLalit Chandivade clear_bit(AF_FW_RECOVERY, &ha->flags); 975113483730SMike Christie rval = qla4xxx_initialize_adapter(ha, RESET_ADAPTER); 9752137257daSPoornima Vonti if (rval == QLA_SUCCESS) 97532232be0dSLalit Chandivade ha->isp_ops->enable_intrs(ha); 975437418cc6SNilesh Javali else 975537418cc6SNilesh Javali qla4xxx_free_irqs(ha); 9756137257daSPoornima Vonti 975733693c7aSVikas Chaudhary ha->isp_ops->idc_lock(ha); 97582232be0dSLalit Chandivade qla4_8xxx_set_drv_active(ha); 975933693c7aSVikas Chaudhary ha->isp_ops->idc_unlock(ha); 97602232be0dSLalit Chandivade } 97612232be0dSLalit Chandivade } 976239c95826SVikas Chaudhary exit_error_recovery: 97632232be0dSLalit Chandivade clear_bit(DPC_RESET_ACTIVE, &ha->dpc_flags); 97642232be0dSLalit Chandivade return rval; 97652232be0dSLalit Chandivade } 97662232be0dSLalit Chandivade 97672232be0dSLalit Chandivade static pci_ers_result_t 97682232be0dSLalit Chandivade qla4xxx_pci_slot_reset(struct pci_dev *pdev) 97692232be0dSLalit Chandivade { 97702232be0dSLalit Chandivade pci_ers_result_t ret = PCI_ERS_RESULT_DISCONNECT; 97712232be0dSLalit Chandivade struct scsi_qla_host *ha = pci_get_drvdata(pdev); 97722232be0dSLalit Chandivade int rc; 97732232be0dSLalit Chandivade 97742232be0dSLalit Chandivade ql4_printk(KERN_WARNING, ha, "scsi%ld: %s: slot_reset\n", 97752232be0dSLalit Chandivade ha->host_no, __func__); 97762232be0dSLalit Chandivade 97772232be0dSLalit Chandivade if (!is_aer_supported(ha)) 97782232be0dSLalit Chandivade return PCI_ERS_RESULT_NONE; 97792232be0dSLalit Chandivade 97802232be0dSLalit Chandivade /* Restore the saved state of PCIe device - 97812232be0dSLalit Chandivade * BAR registers, PCI Config space, PCIX, MSI, 97822232be0dSLalit Chandivade * IOV states 97832232be0dSLalit Chandivade */ 97842232be0dSLalit Chandivade pci_restore_state(pdev); 97852232be0dSLalit Chandivade 97862232be0dSLalit Chandivade /* pci_restore_state() clears the saved_state flag of the device 97872232be0dSLalit Chandivade * save restored state which resets saved_state flag 97882232be0dSLalit Chandivade */ 97892232be0dSLalit Chandivade pci_save_state(pdev); 97902232be0dSLalit Chandivade 97912232be0dSLalit Chandivade /* Initialize device or resume if in suspended state */ 97922232be0dSLalit Chandivade rc = pci_enable_device(pdev); 97932232be0dSLalit Chandivade if (rc) { 979425985edcSLucas De Marchi ql4_printk(KERN_WARNING, ha, "scsi%ld: %s: Can't re-enable " 97952232be0dSLalit Chandivade "device after reset\n", ha->host_no, __func__); 97962232be0dSLalit Chandivade goto exit_slot_reset; 97972232be0dSLalit Chandivade } 97982232be0dSLalit Chandivade 97997b3595dfSVikas Chaudhary ha->isp_ops->disable_intrs(ha); 98002232be0dSLalit Chandivade 98016e7b4292SVikas Chaudhary if (is_qla80XX(ha)) { 98022232be0dSLalit Chandivade if (qla4_8xxx_error_recovery(ha) == QLA_SUCCESS) { 98032232be0dSLalit Chandivade ret = PCI_ERS_RESULT_RECOVERED; 98042232be0dSLalit Chandivade goto exit_slot_reset; 98052232be0dSLalit Chandivade } else 98062232be0dSLalit Chandivade goto exit_slot_reset; 98072232be0dSLalit Chandivade } 98082232be0dSLalit Chandivade 98092232be0dSLalit Chandivade exit_slot_reset: 98102232be0dSLalit Chandivade ql4_printk(KERN_WARNING, ha, "scsi%ld: %s: Return=%x\n" 98112232be0dSLalit Chandivade "device after reset\n", ha->host_no, __func__, ret); 98122232be0dSLalit Chandivade return ret; 98132232be0dSLalit Chandivade } 98142232be0dSLalit Chandivade 98152232be0dSLalit Chandivade static void 98162232be0dSLalit Chandivade qla4xxx_pci_resume(struct pci_dev *pdev) 98172232be0dSLalit Chandivade { 98182232be0dSLalit Chandivade struct scsi_qla_host *ha = pci_get_drvdata(pdev); 98192232be0dSLalit Chandivade int ret; 98202232be0dSLalit Chandivade 98212232be0dSLalit Chandivade ql4_printk(KERN_WARNING, ha, "scsi%ld: %s: pci_resume\n", 98222232be0dSLalit Chandivade ha->host_no, __func__); 98232232be0dSLalit Chandivade 98242232be0dSLalit Chandivade ret = qla4xxx_wait_for_hba_online(ha); 98252232be0dSLalit Chandivade if (ret != QLA_SUCCESS) { 98262232be0dSLalit Chandivade ql4_printk(KERN_ERR, ha, "scsi%ld: %s: the device failed to " 98272232be0dSLalit Chandivade "resume I/O from slot/link_reset\n", ha->host_no, 98282232be0dSLalit Chandivade __func__); 98292232be0dSLalit Chandivade } 98302232be0dSLalit Chandivade 98312232be0dSLalit Chandivade clear_bit(AF_EEH_BUSY, &ha->flags); 98322232be0dSLalit Chandivade } 98332232be0dSLalit Chandivade 9834a55b2d21SStephen Hemminger static const struct pci_error_handlers qla4xxx_err_handler = { 98352232be0dSLalit Chandivade .error_detected = qla4xxx_pci_error_detected, 98362232be0dSLalit Chandivade .mmio_enabled = qla4xxx_pci_mmio_enabled, 98372232be0dSLalit Chandivade .slot_reset = qla4xxx_pci_slot_reset, 98382232be0dSLalit Chandivade .resume = qla4xxx_pci_resume, 98392232be0dSLalit Chandivade }; 98402232be0dSLalit Chandivade 9841afaf5a2dSDavid Somayajulu static struct pci_device_id qla4xxx_pci_tbl[] = { 9842afaf5a2dSDavid Somayajulu { 9843afaf5a2dSDavid Somayajulu .vendor = PCI_VENDOR_ID_QLOGIC, 9844afaf5a2dSDavid Somayajulu .device = PCI_DEVICE_ID_QLOGIC_ISP4010, 9845afaf5a2dSDavid Somayajulu .subvendor = PCI_ANY_ID, 9846afaf5a2dSDavid Somayajulu .subdevice = PCI_ANY_ID, 9847afaf5a2dSDavid Somayajulu }, 9848afaf5a2dSDavid Somayajulu { 9849afaf5a2dSDavid Somayajulu .vendor = PCI_VENDOR_ID_QLOGIC, 9850afaf5a2dSDavid Somayajulu .device = PCI_DEVICE_ID_QLOGIC_ISP4022, 9851afaf5a2dSDavid Somayajulu .subvendor = PCI_ANY_ID, 9852afaf5a2dSDavid Somayajulu .subdevice = PCI_ANY_ID, 9853afaf5a2dSDavid Somayajulu }, 9854d915058fSDavid C Somayajulu { 9855d915058fSDavid C Somayajulu .vendor = PCI_VENDOR_ID_QLOGIC, 9856d915058fSDavid C Somayajulu .device = PCI_DEVICE_ID_QLOGIC_ISP4032, 9857d915058fSDavid C Somayajulu .subvendor = PCI_ANY_ID, 9858d915058fSDavid C Somayajulu .subdevice = PCI_ANY_ID, 9859d915058fSDavid C Somayajulu }, 9860f4f5df23SVikas Chaudhary { 9861f4f5df23SVikas Chaudhary .vendor = PCI_VENDOR_ID_QLOGIC, 9862f4f5df23SVikas Chaudhary .device = PCI_DEVICE_ID_QLOGIC_ISP8022, 9863f4f5df23SVikas Chaudhary .subvendor = PCI_ANY_ID, 9864f4f5df23SVikas Chaudhary .subdevice = PCI_ANY_ID, 9865f4f5df23SVikas Chaudhary }, 98666e7b4292SVikas Chaudhary { 98676e7b4292SVikas Chaudhary .vendor = PCI_VENDOR_ID_QLOGIC, 98686e7b4292SVikas Chaudhary .device = PCI_DEVICE_ID_QLOGIC_ISP8324, 98696e7b4292SVikas Chaudhary .subvendor = PCI_ANY_ID, 98706e7b4292SVikas Chaudhary .subdevice = PCI_ANY_ID, 98716e7b4292SVikas Chaudhary }, 9872b37ca418SVikas Chaudhary { 9873b37ca418SVikas Chaudhary .vendor = PCI_VENDOR_ID_QLOGIC, 9874b37ca418SVikas Chaudhary .device = PCI_DEVICE_ID_QLOGIC_ISP8042, 9875b37ca418SVikas Chaudhary .subvendor = PCI_ANY_ID, 9876b37ca418SVikas Chaudhary .subdevice = PCI_ANY_ID, 9877b37ca418SVikas Chaudhary }, 9878afaf5a2dSDavid Somayajulu {0, 0}, 9879afaf5a2dSDavid Somayajulu }; 9880afaf5a2dSDavid Somayajulu MODULE_DEVICE_TABLE(pci, qla4xxx_pci_tbl); 9881afaf5a2dSDavid Somayajulu 988247975477SAdrian Bunk static struct pci_driver qla4xxx_pci_driver = { 9883afaf5a2dSDavid Somayajulu .name = DRIVER_NAME, 9884afaf5a2dSDavid Somayajulu .id_table = qla4xxx_pci_tbl, 9885afaf5a2dSDavid Somayajulu .probe = qla4xxx_probe_adapter, 9886afaf5a2dSDavid Somayajulu .remove = qla4xxx_remove_adapter, 98872232be0dSLalit Chandivade .err_handler = &qla4xxx_err_handler, 9888afaf5a2dSDavid Somayajulu }; 9889afaf5a2dSDavid Somayajulu 9890afaf5a2dSDavid Somayajulu static int __init qla4xxx_module_init(void) 9891afaf5a2dSDavid Somayajulu { 9892afaf5a2dSDavid Somayajulu int ret; 9893afaf5a2dSDavid Somayajulu 9894c40ecc12SChristoph Hellwig if (ql4xqfulltracking) 9895c40ecc12SChristoph Hellwig qla4xxx_driver_template.track_queue_depth = 1; 9896c40ecc12SChristoph Hellwig 9897afaf5a2dSDavid Somayajulu /* Allocate cache for SRBs. */ 9898afaf5a2dSDavid Somayajulu srb_cachep = kmem_cache_create("qla4xxx_srbs", sizeof(struct srb), 0, 989920c2df83SPaul Mundt SLAB_HWCACHE_ALIGN, NULL); 9900afaf5a2dSDavid Somayajulu if (srb_cachep == NULL) { 9901afaf5a2dSDavid Somayajulu printk(KERN_ERR 9902afaf5a2dSDavid Somayajulu "%s: Unable to allocate SRB cache..." 9903afaf5a2dSDavid Somayajulu "Failing load!\n", DRIVER_NAME); 9904afaf5a2dSDavid Somayajulu ret = -ENOMEM; 9905afaf5a2dSDavid Somayajulu goto no_srp_cache; 9906afaf5a2dSDavid Somayajulu } 9907afaf5a2dSDavid Somayajulu 9908afaf5a2dSDavid Somayajulu /* Derive version string. */ 9909afaf5a2dSDavid Somayajulu strcpy(qla4xxx_version_str, QLA4XXX_DRIVER_VERSION); 991011010fecSAndrew Vasquez if (ql4xextended_error_logging) 9911afaf5a2dSDavid Somayajulu strcat(qla4xxx_version_str, "-debug"); 9912afaf5a2dSDavid Somayajulu 9913afaf5a2dSDavid Somayajulu qla4xxx_scsi_transport = 9914afaf5a2dSDavid Somayajulu iscsi_register_transport(&qla4xxx_iscsi_transport); 9915afaf5a2dSDavid Somayajulu if (!qla4xxx_scsi_transport){ 9916afaf5a2dSDavid Somayajulu ret = -ENODEV; 9917afaf5a2dSDavid Somayajulu goto release_srb_cache; 9918afaf5a2dSDavid Somayajulu } 9919afaf5a2dSDavid Somayajulu 9920afaf5a2dSDavid Somayajulu ret = pci_register_driver(&qla4xxx_pci_driver); 9921afaf5a2dSDavid Somayajulu if (ret) 9922afaf5a2dSDavid Somayajulu goto unregister_transport; 9923afaf5a2dSDavid Somayajulu 9924afaf5a2dSDavid Somayajulu printk(KERN_INFO "QLogic iSCSI HBA Driver\n"); 9925afaf5a2dSDavid Somayajulu return 0; 99265ae16db3SDoug Maxey 9927afaf5a2dSDavid Somayajulu unregister_transport: 9928afaf5a2dSDavid Somayajulu iscsi_unregister_transport(&qla4xxx_iscsi_transport); 9929afaf5a2dSDavid Somayajulu release_srb_cache: 9930afaf5a2dSDavid Somayajulu kmem_cache_destroy(srb_cachep); 9931afaf5a2dSDavid Somayajulu no_srp_cache: 9932afaf5a2dSDavid Somayajulu return ret; 9933afaf5a2dSDavid Somayajulu } 9934afaf5a2dSDavid Somayajulu 9935afaf5a2dSDavid Somayajulu static void __exit qla4xxx_module_exit(void) 9936afaf5a2dSDavid Somayajulu { 9937afaf5a2dSDavid Somayajulu pci_unregister_driver(&qla4xxx_pci_driver); 9938afaf5a2dSDavid Somayajulu iscsi_unregister_transport(&qla4xxx_iscsi_transport); 9939afaf5a2dSDavid Somayajulu kmem_cache_destroy(srb_cachep); 9940afaf5a2dSDavid Somayajulu } 9941afaf5a2dSDavid Somayajulu 9942afaf5a2dSDavid Somayajulu module_init(qla4xxx_module_init); 9943afaf5a2dSDavid Somayajulu module_exit(qla4xxx_module_exit); 9944afaf5a2dSDavid Somayajulu 9945afaf5a2dSDavid Somayajulu MODULE_AUTHOR("QLogic Corporation"); 9946afaf5a2dSDavid Somayajulu MODULE_DESCRIPTION("QLogic iSCSI HBA Driver"); 9947afaf5a2dSDavid Somayajulu MODULE_LICENSE("GPL"); 9948afaf5a2dSDavid Somayajulu MODULE_VERSION(QLA4XXX_DRIVER_VERSION); 9949