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 != 70533529018SDwaipayan Ray 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 != 74833529018SDwaipayan Ray 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 != 79733529018SDwaipayan Ray 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 } 819376738afSNilesh Javali mutex_unlock(&ha->chap_sem); 820376738afSNilesh Javali 821376738afSNilesh Javali exit_get_chap_list: 822376738afSNilesh Javali ql4_printk(KERN_INFO, ha, "%s: Valid CHAP Entries = %d\n", 823376738afSNilesh Javali __func__, valid_chap_entries); 824376738afSNilesh Javali *num_entries = valid_chap_entries; 825376738afSNilesh Javali return ret; 826376738afSNilesh Javali } 827376738afSNilesh Javali 828376738afSNilesh Javali static int __qla4xxx_is_chap_active(struct device *dev, void *data) 829376738afSNilesh Javali { 830376738afSNilesh Javali int ret = 0; 831376738afSNilesh Javali uint16_t *chap_tbl_idx = (uint16_t *) data; 832376738afSNilesh Javali struct iscsi_cls_session *cls_session; 833376738afSNilesh Javali struct iscsi_session *sess; 834376738afSNilesh Javali struct ddb_entry *ddb_entry; 835376738afSNilesh Javali 836376738afSNilesh Javali if (!iscsi_is_session_dev(dev)) 837376738afSNilesh Javali goto exit_is_chap_active; 838376738afSNilesh Javali 839376738afSNilesh Javali cls_session = iscsi_dev_to_session(dev); 840376738afSNilesh Javali sess = cls_session->dd_data; 841376738afSNilesh Javali ddb_entry = sess->dd_data; 842376738afSNilesh Javali 8435b0ec4cfSMike Christie if (iscsi_is_session_online(cls_session)) 844376738afSNilesh Javali goto exit_is_chap_active; 845376738afSNilesh Javali 846376738afSNilesh Javali if (ddb_entry->chap_tbl_idx == *chap_tbl_idx) 847376738afSNilesh Javali ret = 1; 848376738afSNilesh Javali 849376738afSNilesh Javali exit_is_chap_active: 850376738afSNilesh Javali return ret; 851376738afSNilesh Javali } 852376738afSNilesh Javali 853376738afSNilesh Javali static int qla4xxx_is_chap_active(struct Scsi_Host *shost, 854376738afSNilesh Javali uint16_t chap_tbl_idx) 855376738afSNilesh Javali { 856376738afSNilesh Javali int ret = 0; 857376738afSNilesh Javali 858376738afSNilesh Javali ret = device_for_each_child(&shost->shost_gendev, &chap_tbl_idx, 859376738afSNilesh Javali __qla4xxx_is_chap_active); 860376738afSNilesh Javali 861376738afSNilesh Javali return ret; 862376738afSNilesh Javali } 863376738afSNilesh Javali 864376738afSNilesh Javali static int qla4xxx_delete_chap(struct Scsi_Host *shost, uint16_t chap_tbl_idx) 865376738afSNilesh Javali { 866376738afSNilesh Javali struct scsi_qla_host *ha = to_qla_host(shost); 867376738afSNilesh Javali struct ql4_chap_table *chap_table; 868376738afSNilesh Javali dma_addr_t chap_dma; 869376738afSNilesh Javali int max_chap_entries = 0; 870376738afSNilesh Javali uint32_t offset = 0; 871376738afSNilesh Javali uint32_t chap_size; 872376738afSNilesh Javali int ret = 0; 873376738afSNilesh Javali 8748d35a9dcSSouptick Joarder chap_table = dma_pool_zalloc(ha->chap_dma_pool, GFP_KERNEL, &chap_dma); 875376738afSNilesh Javali if (chap_table == NULL) 876376738afSNilesh Javali return -ENOMEM; 877376738afSNilesh Javali 878d11b0ca3SVikas Chaudhary if (is_qla80XX(ha)) 879376738afSNilesh Javali max_chap_entries = (ha->hw.flt_chap_size / 2) / 880376738afSNilesh Javali sizeof(struct ql4_chap_table); 881376738afSNilesh Javali else 882376738afSNilesh Javali max_chap_entries = MAX_CHAP_ENTRIES_40XX; 883376738afSNilesh Javali 884376738afSNilesh Javali if (chap_tbl_idx > max_chap_entries) { 885376738afSNilesh Javali ret = -EINVAL; 886376738afSNilesh Javali goto exit_delete_chap; 887376738afSNilesh Javali } 888376738afSNilesh Javali 889376738afSNilesh Javali /* Check if chap index is in use. 890376738afSNilesh Javali * If chap is in use don't delet chap entry */ 891376738afSNilesh Javali ret = qla4xxx_is_chap_active(shost, chap_tbl_idx); 892376738afSNilesh Javali if (ret) { 893376738afSNilesh Javali ql4_printk(KERN_INFO, ha, "CHAP entry %d is in use, cannot " 894376738afSNilesh Javali "delete from flash\n", chap_tbl_idx); 895376738afSNilesh Javali ret = -EBUSY; 896376738afSNilesh Javali goto exit_delete_chap; 897376738afSNilesh Javali } 898376738afSNilesh Javali 899376738afSNilesh Javali chap_size = sizeof(struct ql4_chap_table); 900376738afSNilesh Javali if (is_qla40XX(ha)) 901376738afSNilesh Javali offset = FLASH_CHAP_OFFSET | (chap_tbl_idx * chap_size); 902376738afSNilesh Javali else { 903376738afSNilesh Javali offset = FLASH_RAW_ACCESS_ADDR + (ha->hw.flt_region_chap << 2); 904376738afSNilesh Javali /* flt_chap_size is CHAP table size for both ports 905376738afSNilesh Javali * so divide it by 2 to calculate the offset for second port 906376738afSNilesh Javali */ 907376738afSNilesh Javali if (ha->port_num == 1) 908376738afSNilesh Javali offset += (ha->hw.flt_chap_size / 2); 909376738afSNilesh Javali offset += (chap_tbl_idx * chap_size); 910376738afSNilesh Javali } 911376738afSNilesh Javali 912376738afSNilesh Javali ret = qla4xxx_get_flash(ha, chap_dma, offset, chap_size); 913376738afSNilesh Javali if (ret != QLA_SUCCESS) { 914376738afSNilesh Javali ret = -EINVAL; 915376738afSNilesh Javali goto exit_delete_chap; 916376738afSNilesh Javali } 917376738afSNilesh Javali 918376738afSNilesh Javali DEBUG2(ql4_printk(KERN_INFO, ha, "Chap Cookie: x%x\n", 919376738afSNilesh Javali __le16_to_cpu(chap_table->cookie))); 920376738afSNilesh Javali 921376738afSNilesh Javali if (__le16_to_cpu(chap_table->cookie) != CHAP_VALID_COOKIE) { 922376738afSNilesh Javali ql4_printk(KERN_ERR, ha, "No valid chap entry found\n"); 923376738afSNilesh Javali goto exit_delete_chap; 924376738afSNilesh Javali } 925376738afSNilesh Javali 92633529018SDwaipayan Ray chap_table->cookie = cpu_to_le16(0xFFFF); 927376738afSNilesh Javali 928376738afSNilesh Javali offset = FLASH_CHAP_OFFSET | 929376738afSNilesh Javali (chap_tbl_idx * sizeof(struct ql4_chap_table)); 930376738afSNilesh Javali ret = qla4xxx_set_flash(ha, chap_dma, offset, chap_size, 931376738afSNilesh Javali FLASH_OPT_RMW_COMMIT); 932376738afSNilesh Javali if (ret == QLA_SUCCESS && ha->chap_list) { 933376738afSNilesh Javali mutex_lock(&ha->chap_sem); 934376738afSNilesh Javali /* Update ha chap_list cache */ 935376738afSNilesh Javali memcpy((struct ql4_chap_table *)ha->chap_list + chap_tbl_idx, 936376738afSNilesh Javali chap_table, sizeof(struct ql4_chap_table)); 937376738afSNilesh Javali mutex_unlock(&ha->chap_sem); 938376738afSNilesh Javali } 939376738afSNilesh Javali if (ret != QLA_SUCCESS) 940376738afSNilesh Javali ret = -EINVAL; 941376738afSNilesh Javali 942376738afSNilesh Javali exit_delete_chap: 943376738afSNilesh Javali dma_pool_free(ha->chap_dma_pool, chap_table, chap_dma); 944376738afSNilesh Javali return ret; 945376738afSNilesh Javali } 946376738afSNilesh Javali 94726ffd7b4SAdheer Chandravanshi /** 94826ffd7b4SAdheer Chandravanshi * qla4xxx_set_chap_entry - Make chap entry with given information 94926ffd7b4SAdheer Chandravanshi * @shost: pointer to host 95026ffd7b4SAdheer Chandravanshi * @data: chap info - credentials, index and type to make chap entry 95126ffd7b4SAdheer Chandravanshi * @len: length of data 95226ffd7b4SAdheer Chandravanshi * 95326ffd7b4SAdheer Chandravanshi * Add or update chap entry with the given information 95426ffd7b4SAdheer Chandravanshi **/ 95526ffd7b4SAdheer Chandravanshi static int qla4xxx_set_chap_entry(struct Scsi_Host *shost, void *data, int len) 95626ffd7b4SAdheer Chandravanshi { 95726ffd7b4SAdheer Chandravanshi struct scsi_qla_host *ha = to_qla_host(shost); 95826ffd7b4SAdheer Chandravanshi struct iscsi_chap_rec chap_rec; 95926ffd7b4SAdheer Chandravanshi struct ql4_chap_table *chap_entry = NULL; 96026ffd7b4SAdheer Chandravanshi struct iscsi_param_info *param_info; 96126ffd7b4SAdheer Chandravanshi struct nlattr *attr; 96226ffd7b4SAdheer Chandravanshi int max_chap_entries = 0; 96326ffd7b4SAdheer Chandravanshi int type; 96426ffd7b4SAdheer Chandravanshi int rem = len; 96526ffd7b4SAdheer Chandravanshi int rc = 0; 9663c60cfd7SDan Carpenter int size; 96726ffd7b4SAdheer Chandravanshi 96826ffd7b4SAdheer Chandravanshi memset(&chap_rec, 0, sizeof(chap_rec)); 96926ffd7b4SAdheer Chandravanshi 97026ffd7b4SAdheer Chandravanshi nla_for_each_attr(attr, data, len, rem) { 97126ffd7b4SAdheer Chandravanshi param_info = nla_data(attr); 97226ffd7b4SAdheer Chandravanshi 97326ffd7b4SAdheer Chandravanshi switch (param_info->param) { 97426ffd7b4SAdheer Chandravanshi case ISCSI_CHAP_PARAM_INDEX: 97526ffd7b4SAdheer Chandravanshi chap_rec.chap_tbl_idx = *(uint16_t *)param_info->value; 97626ffd7b4SAdheer Chandravanshi break; 97726ffd7b4SAdheer Chandravanshi case ISCSI_CHAP_PARAM_CHAP_TYPE: 97826ffd7b4SAdheer Chandravanshi chap_rec.chap_type = param_info->value[0]; 97926ffd7b4SAdheer Chandravanshi break; 98026ffd7b4SAdheer Chandravanshi case ISCSI_CHAP_PARAM_USERNAME: 9813c60cfd7SDan Carpenter size = min_t(size_t, sizeof(chap_rec.username), 98226ffd7b4SAdheer Chandravanshi param_info->len); 9833c60cfd7SDan Carpenter memcpy(chap_rec.username, param_info->value, size); 98426ffd7b4SAdheer Chandravanshi break; 98526ffd7b4SAdheer Chandravanshi case ISCSI_CHAP_PARAM_PASSWORD: 9863c60cfd7SDan Carpenter size = min_t(size_t, sizeof(chap_rec.password), 98726ffd7b4SAdheer Chandravanshi param_info->len); 9883c60cfd7SDan Carpenter memcpy(chap_rec.password, param_info->value, size); 98926ffd7b4SAdheer Chandravanshi break; 99026ffd7b4SAdheer Chandravanshi case ISCSI_CHAP_PARAM_PASSWORD_LEN: 99126ffd7b4SAdheer Chandravanshi chap_rec.password_length = param_info->value[0]; 99226ffd7b4SAdheer Chandravanshi break; 99326ffd7b4SAdheer Chandravanshi default: 99426ffd7b4SAdheer Chandravanshi ql4_printk(KERN_ERR, ha, 99526ffd7b4SAdheer Chandravanshi "%s: No such sysfs attribute\n", __func__); 99626ffd7b4SAdheer Chandravanshi rc = -ENOSYS; 99726ffd7b4SAdheer Chandravanshi goto exit_set_chap; 9989b77c9daSJason Yan } 99926ffd7b4SAdheer Chandravanshi } 100026ffd7b4SAdheer Chandravanshi 100126ffd7b4SAdheer Chandravanshi if (chap_rec.chap_type == CHAP_TYPE_IN) 100226ffd7b4SAdheer Chandravanshi type = BIDI_CHAP; 100326ffd7b4SAdheer Chandravanshi else 100426ffd7b4SAdheer Chandravanshi type = LOCAL_CHAP; 100526ffd7b4SAdheer Chandravanshi 100626ffd7b4SAdheer Chandravanshi if (is_qla80XX(ha)) 100726ffd7b4SAdheer Chandravanshi max_chap_entries = (ha->hw.flt_chap_size / 2) / 100826ffd7b4SAdheer Chandravanshi sizeof(struct ql4_chap_table); 100926ffd7b4SAdheer Chandravanshi else 101026ffd7b4SAdheer Chandravanshi max_chap_entries = MAX_CHAP_ENTRIES_40XX; 101126ffd7b4SAdheer Chandravanshi 101226ffd7b4SAdheer Chandravanshi mutex_lock(&ha->chap_sem); 101326ffd7b4SAdheer Chandravanshi if (chap_rec.chap_tbl_idx < max_chap_entries) { 101426ffd7b4SAdheer Chandravanshi rc = qla4xxx_get_chap_by_index(ha, chap_rec.chap_tbl_idx, 101526ffd7b4SAdheer Chandravanshi &chap_entry); 101626ffd7b4SAdheer Chandravanshi if (!rc) { 101726ffd7b4SAdheer Chandravanshi if (!(type == qla4xxx_get_chap_type(chap_entry))) { 101826ffd7b4SAdheer Chandravanshi ql4_printk(KERN_INFO, ha, 101926ffd7b4SAdheer Chandravanshi "Type mismatch for CHAP entry %d\n", 102026ffd7b4SAdheer Chandravanshi chap_rec.chap_tbl_idx); 102126ffd7b4SAdheer Chandravanshi rc = -EINVAL; 102226ffd7b4SAdheer Chandravanshi goto exit_unlock_chap; 102326ffd7b4SAdheer Chandravanshi } 102426ffd7b4SAdheer Chandravanshi 102526ffd7b4SAdheer Chandravanshi /* If chap index is in use then don't modify it */ 102626ffd7b4SAdheer Chandravanshi rc = qla4xxx_is_chap_active(shost, 102726ffd7b4SAdheer Chandravanshi chap_rec.chap_tbl_idx); 102826ffd7b4SAdheer Chandravanshi if (rc) { 102926ffd7b4SAdheer Chandravanshi ql4_printk(KERN_INFO, ha, 103026ffd7b4SAdheer Chandravanshi "CHAP entry %d is in use\n", 103126ffd7b4SAdheer Chandravanshi chap_rec.chap_tbl_idx); 103226ffd7b4SAdheer Chandravanshi rc = -EBUSY; 103326ffd7b4SAdheer Chandravanshi goto exit_unlock_chap; 103426ffd7b4SAdheer Chandravanshi } 103526ffd7b4SAdheer Chandravanshi } 103626ffd7b4SAdheer Chandravanshi } else { 103726ffd7b4SAdheer Chandravanshi rc = qla4xxx_find_free_chap_index(ha, &chap_rec.chap_tbl_idx); 103826ffd7b4SAdheer Chandravanshi if (rc) { 103926ffd7b4SAdheer Chandravanshi ql4_printk(KERN_INFO, ha, "CHAP entry not available\n"); 104026ffd7b4SAdheer Chandravanshi rc = -EBUSY; 104126ffd7b4SAdheer Chandravanshi goto exit_unlock_chap; 104226ffd7b4SAdheer Chandravanshi } 104326ffd7b4SAdheer Chandravanshi } 104426ffd7b4SAdheer Chandravanshi 104526ffd7b4SAdheer Chandravanshi rc = qla4xxx_set_chap(ha, chap_rec.username, chap_rec.password, 104626ffd7b4SAdheer Chandravanshi chap_rec.chap_tbl_idx, type); 104726ffd7b4SAdheer Chandravanshi 104826ffd7b4SAdheer Chandravanshi exit_unlock_chap: 104926ffd7b4SAdheer Chandravanshi mutex_unlock(&ha->chap_sem); 105026ffd7b4SAdheer Chandravanshi 105126ffd7b4SAdheer Chandravanshi exit_set_chap: 105226ffd7b4SAdheer Chandravanshi return rc; 105326ffd7b4SAdheer Chandravanshi } 105426ffd7b4SAdheer Chandravanshi 10554161cee5SLalit Chandivade 10564161cee5SLalit Chandivade static int qla4xxx_get_host_stats(struct Scsi_Host *shost, char *buf, int len) 10574161cee5SLalit Chandivade { 10584161cee5SLalit Chandivade struct scsi_qla_host *ha = to_qla_host(shost); 10594161cee5SLalit Chandivade struct iscsi_offload_host_stats *host_stats = NULL; 10604161cee5SLalit Chandivade int host_stats_size; 10614161cee5SLalit Chandivade int ret = 0; 10624161cee5SLalit Chandivade int ddb_idx = 0; 10634161cee5SLalit Chandivade struct ql_iscsi_stats *ql_iscsi_stats = NULL; 10644161cee5SLalit Chandivade int stats_size; 10654161cee5SLalit Chandivade dma_addr_t iscsi_stats_dma; 10664161cee5SLalit Chandivade 10674161cee5SLalit Chandivade DEBUG2(ql4_printk(KERN_INFO, ha, "Func: %s\n", __func__)); 10684161cee5SLalit Chandivade 10694161cee5SLalit Chandivade host_stats_size = sizeof(struct iscsi_offload_host_stats); 10704161cee5SLalit Chandivade 10714161cee5SLalit Chandivade if (host_stats_size != len) { 10724161cee5SLalit Chandivade ql4_printk(KERN_INFO, ha, "%s: host_stats size mismatch expected = %d, is = %d\n", 10734161cee5SLalit Chandivade __func__, len, host_stats_size); 10744161cee5SLalit Chandivade ret = -EINVAL; 10754161cee5SLalit Chandivade goto exit_host_stats; 10764161cee5SLalit Chandivade } 10774161cee5SLalit Chandivade host_stats = (struct iscsi_offload_host_stats *)buf; 10784161cee5SLalit Chandivade 10794161cee5SLalit Chandivade if (!buf) { 10804161cee5SLalit Chandivade ret = -ENOMEM; 10814161cee5SLalit Chandivade goto exit_host_stats; 10824161cee5SLalit Chandivade } 10834161cee5SLalit Chandivade 10844161cee5SLalit Chandivade stats_size = PAGE_ALIGN(sizeof(struct ql_iscsi_stats)); 10854161cee5SLalit Chandivade 10864161cee5SLalit Chandivade ql_iscsi_stats = dma_alloc_coherent(&ha->pdev->dev, stats_size, 10874161cee5SLalit Chandivade &iscsi_stats_dma, GFP_KERNEL); 10884161cee5SLalit Chandivade if (!ql_iscsi_stats) { 10894161cee5SLalit Chandivade ql4_printk(KERN_ERR, ha, 10904161cee5SLalit Chandivade "Unable to allocate memory for iscsi stats\n"); 10917f3976f0SMike Christie ret = -ENOMEM; 10924161cee5SLalit Chandivade goto exit_host_stats; 10934161cee5SLalit Chandivade } 10944161cee5SLalit Chandivade 10954161cee5SLalit Chandivade ret = qla4xxx_get_mgmt_data(ha, ddb_idx, stats_size, 10964161cee5SLalit Chandivade iscsi_stats_dma); 10974161cee5SLalit Chandivade if (ret != QLA_SUCCESS) { 10984161cee5SLalit Chandivade ql4_printk(KERN_ERR, ha, 10994161cee5SLalit Chandivade "Unable to retrieve iscsi stats\n"); 11007f3976f0SMike Christie ret = -EIO; 11014161cee5SLalit Chandivade goto exit_host_stats; 11024161cee5SLalit Chandivade } 11034161cee5SLalit Chandivade host_stats->mactx_frames = le64_to_cpu(ql_iscsi_stats->mac_tx_frames); 11044161cee5SLalit Chandivade host_stats->mactx_bytes = le64_to_cpu(ql_iscsi_stats->mac_tx_bytes); 11054161cee5SLalit Chandivade host_stats->mactx_multicast_frames = 11064161cee5SLalit Chandivade le64_to_cpu(ql_iscsi_stats->mac_tx_multicast_frames); 11074161cee5SLalit Chandivade host_stats->mactx_broadcast_frames = 11084161cee5SLalit Chandivade le64_to_cpu(ql_iscsi_stats->mac_tx_broadcast_frames); 11094161cee5SLalit Chandivade host_stats->mactx_pause_frames = 11104161cee5SLalit Chandivade le64_to_cpu(ql_iscsi_stats->mac_tx_pause_frames); 11114161cee5SLalit Chandivade host_stats->mactx_control_frames = 11124161cee5SLalit Chandivade le64_to_cpu(ql_iscsi_stats->mac_tx_control_frames); 11134161cee5SLalit Chandivade host_stats->mactx_deferral = 11144161cee5SLalit Chandivade le64_to_cpu(ql_iscsi_stats->mac_tx_deferral); 11154161cee5SLalit Chandivade host_stats->mactx_excess_deferral = 11164161cee5SLalit Chandivade le64_to_cpu(ql_iscsi_stats->mac_tx_excess_deferral); 11174161cee5SLalit Chandivade host_stats->mactx_late_collision = 11184161cee5SLalit Chandivade le64_to_cpu(ql_iscsi_stats->mac_tx_late_collision); 11194161cee5SLalit Chandivade host_stats->mactx_abort = le64_to_cpu(ql_iscsi_stats->mac_tx_abort); 11204161cee5SLalit Chandivade host_stats->mactx_single_collision = 11214161cee5SLalit Chandivade le64_to_cpu(ql_iscsi_stats->mac_tx_single_collision); 11224161cee5SLalit Chandivade host_stats->mactx_multiple_collision = 11234161cee5SLalit Chandivade le64_to_cpu(ql_iscsi_stats->mac_tx_multiple_collision); 11244161cee5SLalit Chandivade host_stats->mactx_collision = 11254161cee5SLalit Chandivade le64_to_cpu(ql_iscsi_stats->mac_tx_collision); 11264161cee5SLalit Chandivade host_stats->mactx_frames_dropped = 11274161cee5SLalit Chandivade le64_to_cpu(ql_iscsi_stats->mac_tx_frames_dropped); 11284161cee5SLalit Chandivade host_stats->mactx_jumbo_frames = 11294161cee5SLalit Chandivade le64_to_cpu(ql_iscsi_stats->mac_tx_jumbo_frames); 11304161cee5SLalit Chandivade host_stats->macrx_frames = le64_to_cpu(ql_iscsi_stats->mac_rx_frames); 11314161cee5SLalit Chandivade host_stats->macrx_bytes = le64_to_cpu(ql_iscsi_stats->mac_rx_bytes); 11324161cee5SLalit Chandivade host_stats->macrx_unknown_control_frames = 11334161cee5SLalit Chandivade le64_to_cpu(ql_iscsi_stats->mac_rx_unknown_control_frames); 11344161cee5SLalit Chandivade host_stats->macrx_pause_frames = 11354161cee5SLalit Chandivade le64_to_cpu(ql_iscsi_stats->mac_rx_pause_frames); 11364161cee5SLalit Chandivade host_stats->macrx_control_frames = 11374161cee5SLalit Chandivade le64_to_cpu(ql_iscsi_stats->mac_rx_control_frames); 11384161cee5SLalit Chandivade host_stats->macrx_dribble = 11394161cee5SLalit Chandivade le64_to_cpu(ql_iscsi_stats->mac_rx_dribble); 11404161cee5SLalit Chandivade host_stats->macrx_frame_length_error = 11414161cee5SLalit Chandivade le64_to_cpu(ql_iscsi_stats->mac_rx_frame_length_error); 11424161cee5SLalit Chandivade host_stats->macrx_jabber = le64_to_cpu(ql_iscsi_stats->mac_rx_jabber); 11434161cee5SLalit Chandivade host_stats->macrx_carrier_sense_error = 11444161cee5SLalit Chandivade le64_to_cpu(ql_iscsi_stats->mac_rx_carrier_sense_error); 11454161cee5SLalit Chandivade host_stats->macrx_frame_discarded = 11464161cee5SLalit Chandivade le64_to_cpu(ql_iscsi_stats->mac_rx_frame_discarded); 11474161cee5SLalit Chandivade host_stats->macrx_frames_dropped = 11484161cee5SLalit Chandivade le64_to_cpu(ql_iscsi_stats->mac_rx_frames_dropped); 11494161cee5SLalit Chandivade host_stats->mac_crc_error = le64_to_cpu(ql_iscsi_stats->mac_crc_error); 11504161cee5SLalit Chandivade host_stats->mac_encoding_error = 11514161cee5SLalit Chandivade le64_to_cpu(ql_iscsi_stats->mac_encoding_error); 11524161cee5SLalit Chandivade host_stats->macrx_length_error_large = 11534161cee5SLalit Chandivade le64_to_cpu(ql_iscsi_stats->mac_rx_length_error_large); 11544161cee5SLalit Chandivade host_stats->macrx_length_error_small = 11554161cee5SLalit Chandivade le64_to_cpu(ql_iscsi_stats->mac_rx_length_error_small); 11564161cee5SLalit Chandivade host_stats->macrx_multicast_frames = 11574161cee5SLalit Chandivade le64_to_cpu(ql_iscsi_stats->mac_rx_multicast_frames); 11584161cee5SLalit Chandivade host_stats->macrx_broadcast_frames = 11594161cee5SLalit Chandivade le64_to_cpu(ql_iscsi_stats->mac_rx_broadcast_frames); 11604161cee5SLalit Chandivade host_stats->iptx_packets = le64_to_cpu(ql_iscsi_stats->ip_tx_packets); 11614161cee5SLalit Chandivade host_stats->iptx_bytes = le64_to_cpu(ql_iscsi_stats->ip_tx_bytes); 11624161cee5SLalit Chandivade host_stats->iptx_fragments = 11634161cee5SLalit Chandivade le64_to_cpu(ql_iscsi_stats->ip_tx_fragments); 11644161cee5SLalit Chandivade host_stats->iprx_packets = le64_to_cpu(ql_iscsi_stats->ip_rx_packets); 11654161cee5SLalit Chandivade host_stats->iprx_bytes = le64_to_cpu(ql_iscsi_stats->ip_rx_bytes); 11664161cee5SLalit Chandivade host_stats->iprx_fragments = 11674161cee5SLalit Chandivade le64_to_cpu(ql_iscsi_stats->ip_rx_fragments); 11684161cee5SLalit Chandivade host_stats->ip_datagram_reassembly = 11694161cee5SLalit Chandivade le64_to_cpu(ql_iscsi_stats->ip_datagram_reassembly); 11704161cee5SLalit Chandivade host_stats->ip_invalid_address_error = 11714161cee5SLalit Chandivade le64_to_cpu(ql_iscsi_stats->ip_invalid_address_error); 11724161cee5SLalit Chandivade host_stats->ip_error_packets = 11734161cee5SLalit Chandivade le64_to_cpu(ql_iscsi_stats->ip_error_packets); 11744161cee5SLalit Chandivade host_stats->ip_fragrx_overlap = 11754161cee5SLalit Chandivade le64_to_cpu(ql_iscsi_stats->ip_fragrx_overlap); 11764161cee5SLalit Chandivade host_stats->ip_fragrx_outoforder = 11774161cee5SLalit Chandivade le64_to_cpu(ql_iscsi_stats->ip_fragrx_outoforder); 11784161cee5SLalit Chandivade host_stats->ip_datagram_reassembly_timeout = 11794161cee5SLalit Chandivade le64_to_cpu(ql_iscsi_stats->ip_datagram_reassembly_timeout); 11804161cee5SLalit Chandivade host_stats->ipv6tx_packets = 11814161cee5SLalit Chandivade le64_to_cpu(ql_iscsi_stats->ipv6_tx_packets); 11824161cee5SLalit Chandivade host_stats->ipv6tx_bytes = le64_to_cpu(ql_iscsi_stats->ipv6_tx_bytes); 11834161cee5SLalit Chandivade host_stats->ipv6tx_fragments = 11844161cee5SLalit Chandivade le64_to_cpu(ql_iscsi_stats->ipv6_tx_fragments); 11854161cee5SLalit Chandivade host_stats->ipv6rx_packets = 11864161cee5SLalit Chandivade le64_to_cpu(ql_iscsi_stats->ipv6_rx_packets); 11874161cee5SLalit Chandivade host_stats->ipv6rx_bytes = le64_to_cpu(ql_iscsi_stats->ipv6_rx_bytes); 11884161cee5SLalit Chandivade host_stats->ipv6rx_fragments = 11894161cee5SLalit Chandivade le64_to_cpu(ql_iscsi_stats->ipv6_rx_fragments); 11904161cee5SLalit Chandivade host_stats->ipv6_datagram_reassembly = 11914161cee5SLalit Chandivade le64_to_cpu(ql_iscsi_stats->ipv6_datagram_reassembly); 11924161cee5SLalit Chandivade host_stats->ipv6_invalid_address_error = 11934161cee5SLalit Chandivade le64_to_cpu(ql_iscsi_stats->ipv6_invalid_address_error); 11944161cee5SLalit Chandivade host_stats->ipv6_error_packets = 11954161cee5SLalit Chandivade le64_to_cpu(ql_iscsi_stats->ipv6_error_packets); 11964161cee5SLalit Chandivade host_stats->ipv6_fragrx_overlap = 11974161cee5SLalit Chandivade le64_to_cpu(ql_iscsi_stats->ipv6_fragrx_overlap); 11984161cee5SLalit Chandivade host_stats->ipv6_fragrx_outoforder = 11994161cee5SLalit Chandivade le64_to_cpu(ql_iscsi_stats->ipv6_fragrx_outoforder); 12004161cee5SLalit Chandivade host_stats->ipv6_datagram_reassembly_timeout = 12014161cee5SLalit Chandivade le64_to_cpu(ql_iscsi_stats->ipv6_datagram_reassembly_timeout); 12024161cee5SLalit Chandivade host_stats->tcptx_segments = 12034161cee5SLalit Chandivade le64_to_cpu(ql_iscsi_stats->tcp_tx_segments); 12044161cee5SLalit Chandivade host_stats->tcptx_bytes = le64_to_cpu(ql_iscsi_stats->tcp_tx_bytes); 12054161cee5SLalit Chandivade host_stats->tcprx_segments = 12064161cee5SLalit Chandivade le64_to_cpu(ql_iscsi_stats->tcp_rx_segments); 12074161cee5SLalit Chandivade host_stats->tcprx_byte = le64_to_cpu(ql_iscsi_stats->tcp_rx_byte); 12084161cee5SLalit Chandivade host_stats->tcp_duplicate_ack_retx = 12094161cee5SLalit Chandivade le64_to_cpu(ql_iscsi_stats->tcp_duplicate_ack_retx); 12104161cee5SLalit Chandivade host_stats->tcp_retx_timer_expired = 12114161cee5SLalit Chandivade le64_to_cpu(ql_iscsi_stats->tcp_retx_timer_expired); 12124161cee5SLalit Chandivade host_stats->tcprx_duplicate_ack = 12134161cee5SLalit Chandivade le64_to_cpu(ql_iscsi_stats->tcp_rx_duplicate_ack); 12144161cee5SLalit Chandivade host_stats->tcprx_pure_ackr = 12154161cee5SLalit Chandivade le64_to_cpu(ql_iscsi_stats->tcp_rx_pure_ackr); 12164161cee5SLalit Chandivade host_stats->tcptx_delayed_ack = 12174161cee5SLalit Chandivade le64_to_cpu(ql_iscsi_stats->tcp_tx_delayed_ack); 12184161cee5SLalit Chandivade host_stats->tcptx_pure_ack = 12194161cee5SLalit Chandivade le64_to_cpu(ql_iscsi_stats->tcp_tx_pure_ack); 12204161cee5SLalit Chandivade host_stats->tcprx_segment_error = 12214161cee5SLalit Chandivade le64_to_cpu(ql_iscsi_stats->tcp_rx_segment_error); 12224161cee5SLalit Chandivade host_stats->tcprx_segment_outoforder = 12234161cee5SLalit Chandivade le64_to_cpu(ql_iscsi_stats->tcp_rx_segment_outoforder); 12244161cee5SLalit Chandivade host_stats->tcprx_window_probe = 12254161cee5SLalit Chandivade le64_to_cpu(ql_iscsi_stats->tcp_rx_window_probe); 12264161cee5SLalit Chandivade host_stats->tcprx_window_update = 12274161cee5SLalit Chandivade le64_to_cpu(ql_iscsi_stats->tcp_rx_window_update); 12284161cee5SLalit Chandivade host_stats->tcptx_window_probe_persist = 12294161cee5SLalit Chandivade le64_to_cpu(ql_iscsi_stats->tcp_tx_window_probe_persist); 12304161cee5SLalit Chandivade host_stats->ecc_error_correction = 12314161cee5SLalit Chandivade le64_to_cpu(ql_iscsi_stats->ecc_error_correction); 12324161cee5SLalit Chandivade host_stats->iscsi_pdu_tx = le64_to_cpu(ql_iscsi_stats->iscsi_pdu_tx); 12334161cee5SLalit Chandivade host_stats->iscsi_data_bytes_tx = 12344161cee5SLalit Chandivade le64_to_cpu(ql_iscsi_stats->iscsi_data_bytes_tx); 12354161cee5SLalit Chandivade host_stats->iscsi_pdu_rx = le64_to_cpu(ql_iscsi_stats->iscsi_pdu_rx); 12364161cee5SLalit Chandivade host_stats->iscsi_data_bytes_rx = 12374161cee5SLalit Chandivade le64_to_cpu(ql_iscsi_stats->iscsi_data_bytes_rx); 12384161cee5SLalit Chandivade host_stats->iscsi_io_completed = 12394161cee5SLalit Chandivade le64_to_cpu(ql_iscsi_stats->iscsi_io_completed); 12404161cee5SLalit Chandivade host_stats->iscsi_unexpected_io_rx = 12414161cee5SLalit Chandivade le64_to_cpu(ql_iscsi_stats->iscsi_unexpected_io_rx); 12424161cee5SLalit Chandivade host_stats->iscsi_format_error = 12434161cee5SLalit Chandivade le64_to_cpu(ql_iscsi_stats->iscsi_format_error); 12444161cee5SLalit Chandivade host_stats->iscsi_hdr_digest_error = 12454161cee5SLalit Chandivade le64_to_cpu(ql_iscsi_stats->iscsi_hdr_digest_error); 12464161cee5SLalit Chandivade host_stats->iscsi_data_digest_error = 12474161cee5SLalit Chandivade le64_to_cpu(ql_iscsi_stats->iscsi_data_digest_error); 12484161cee5SLalit Chandivade host_stats->iscsi_sequence_error = 12494161cee5SLalit Chandivade le64_to_cpu(ql_iscsi_stats->iscsi_sequence_error); 12504161cee5SLalit Chandivade exit_host_stats: 12514161cee5SLalit Chandivade if (ql_iscsi_stats) 1252574918e6SChristophe JAILLET dma_free_coherent(&ha->pdev->dev, stats_size, 12534161cee5SLalit Chandivade ql_iscsi_stats, iscsi_stats_dma); 12544161cee5SLalit Chandivade 12554161cee5SLalit Chandivade ql4_printk(KERN_INFO, ha, "%s: Get host stats done\n", 12564161cee5SLalit Chandivade __func__); 12574161cee5SLalit Chandivade return ret; 12584161cee5SLalit Chandivade } 12594161cee5SLalit Chandivade 1260ed1086e0SVikas Chaudhary static int qla4xxx_get_iface_param(struct iscsi_iface *iface, 1261ed1086e0SVikas Chaudhary enum iscsi_param_type param_type, 1262ed1086e0SVikas Chaudhary int param, char *buf) 1263ed1086e0SVikas Chaudhary { 1264ed1086e0SVikas Chaudhary struct Scsi_Host *shost = iscsi_iface_to_shost(iface); 1265ed1086e0SVikas Chaudhary struct scsi_qla_host *ha = to_qla_host(shost); 1266f8e93412SHarish Zunjarrao int ival; 1267f8e93412SHarish Zunjarrao char *pval = NULL; 1268ed1086e0SVikas Chaudhary int len = -ENOSYS; 1269ed1086e0SVikas Chaudhary 1270f8e93412SHarish Zunjarrao if (param_type == ISCSI_NET_PARAM) { 1271ed1086e0SVikas Chaudhary switch (param) { 1272ed1086e0SVikas Chaudhary case ISCSI_NET_PARAM_IPV4_ADDR: 1273ed1086e0SVikas Chaudhary len = sprintf(buf, "%pI4\n", &ha->ip_config.ip_address); 1274ed1086e0SVikas Chaudhary break; 1275ed1086e0SVikas Chaudhary case ISCSI_NET_PARAM_IPV4_SUBNET: 1276f8e93412SHarish Zunjarrao len = sprintf(buf, "%pI4\n", 1277f8e93412SHarish Zunjarrao &ha->ip_config.subnet_mask); 1278ed1086e0SVikas Chaudhary break; 1279ed1086e0SVikas Chaudhary case ISCSI_NET_PARAM_IPV4_GW: 1280ed1086e0SVikas Chaudhary len = sprintf(buf, "%pI4\n", &ha->ip_config.gateway); 1281ed1086e0SVikas Chaudhary break; 1282ed1086e0SVikas Chaudhary case ISCSI_NET_PARAM_IFACE_ENABLE: 1283f8e93412SHarish Zunjarrao if (iface->iface_type == ISCSI_IFACE_TYPE_IPV4) { 1284f8e93412SHarish Zunjarrao OP_STATE(ha->ip_config.ipv4_options, 1285f8e93412SHarish Zunjarrao IPOPT_IPV4_PROTOCOL_ENABLE, pval); 1286f8e93412SHarish Zunjarrao } else { 1287f8e93412SHarish Zunjarrao OP_STATE(ha->ip_config.ipv6_options, 1288f8e93412SHarish Zunjarrao IPV6_OPT_IPV6_PROTOCOL_ENABLE, pval); 1289f8e93412SHarish Zunjarrao } 1290f8e93412SHarish Zunjarrao 1291f8e93412SHarish Zunjarrao len = sprintf(buf, "%s\n", pval); 1292ed1086e0SVikas Chaudhary break; 1293ed1086e0SVikas Chaudhary case ISCSI_NET_PARAM_IPV4_BOOTPROTO: 1294ed1086e0SVikas Chaudhary len = sprintf(buf, "%s\n", 1295f8e93412SHarish Zunjarrao (ha->ip_config.tcp_options & 1296f8e93412SHarish Zunjarrao TCPOPT_DHCP_ENABLE) ? 1297ed1086e0SVikas Chaudhary "dhcp" : "static"); 1298ed1086e0SVikas Chaudhary break; 1299ed1086e0SVikas Chaudhary case ISCSI_NET_PARAM_IPV6_ADDR: 1300ed1086e0SVikas Chaudhary if (iface->iface_num == 0) 1301f8e93412SHarish Zunjarrao len = sprintf(buf, "%pI6\n", 1302f8e93412SHarish Zunjarrao &ha->ip_config.ipv6_addr0); 1303ed1086e0SVikas Chaudhary if (iface->iface_num == 1) 1304f8e93412SHarish Zunjarrao len = sprintf(buf, "%pI6\n", 1305f8e93412SHarish Zunjarrao &ha->ip_config.ipv6_addr1); 1306ed1086e0SVikas Chaudhary break; 1307ed1086e0SVikas Chaudhary case ISCSI_NET_PARAM_IPV6_LINKLOCAL: 1308ed1086e0SVikas Chaudhary len = sprintf(buf, "%pI6\n", 1309ed1086e0SVikas Chaudhary &ha->ip_config.ipv6_link_local_addr); 1310ed1086e0SVikas Chaudhary break; 1311ed1086e0SVikas Chaudhary case ISCSI_NET_PARAM_IPV6_ROUTER: 1312ed1086e0SVikas Chaudhary len = sprintf(buf, "%pI6\n", 1313ed1086e0SVikas Chaudhary &ha->ip_config.ipv6_default_router_addr); 1314ed1086e0SVikas Chaudhary break; 1315ed1086e0SVikas Chaudhary case ISCSI_NET_PARAM_IPV6_ADDR_AUTOCFG: 1316f8e93412SHarish Zunjarrao pval = (ha->ip_config.ipv6_addl_options & 1317ed1086e0SVikas Chaudhary IPV6_ADDOPT_NEIGHBOR_DISCOVERY_ADDR_ENABLE) ? 1318f8e93412SHarish Zunjarrao "nd" : "static"; 1319f8e93412SHarish Zunjarrao 1320f8e93412SHarish Zunjarrao len = sprintf(buf, "%s\n", pval); 1321ed1086e0SVikas Chaudhary break; 1322ed1086e0SVikas Chaudhary case ISCSI_NET_PARAM_IPV6_LINKLOCAL_AUTOCFG: 1323f8e93412SHarish Zunjarrao pval = (ha->ip_config.ipv6_addl_options & 1324ed1086e0SVikas Chaudhary IPV6_ADDOPT_AUTOCONFIG_LINK_LOCAL_ADDR) ? 1325f8e93412SHarish Zunjarrao "auto" : "static"; 1326f8e93412SHarish Zunjarrao 1327f8e93412SHarish Zunjarrao len = sprintf(buf, "%s\n", pval); 1328ed1086e0SVikas Chaudhary break; 13296ac73e8cSVikas Chaudhary case ISCSI_NET_PARAM_VLAN_ID: 13306ac73e8cSVikas Chaudhary if (iface->iface_type == ISCSI_IFACE_TYPE_IPV4) 1331f8e93412SHarish Zunjarrao ival = ha->ip_config.ipv4_vlan_tag & 1332f8e93412SHarish Zunjarrao ISCSI_MAX_VLAN_ID; 1333f8e93412SHarish Zunjarrao else 1334f8e93412SHarish Zunjarrao ival = ha->ip_config.ipv6_vlan_tag & 1335f8e93412SHarish Zunjarrao ISCSI_MAX_VLAN_ID; 1336f8e93412SHarish Zunjarrao 1337f8e93412SHarish Zunjarrao len = sprintf(buf, "%d\n", ival); 13386ac73e8cSVikas Chaudhary break; 13396ac73e8cSVikas Chaudhary case ISCSI_NET_PARAM_VLAN_PRIORITY: 13406ac73e8cSVikas Chaudhary if (iface->iface_type == ISCSI_IFACE_TYPE_IPV4) 1341f8e93412SHarish Zunjarrao ival = (ha->ip_config.ipv4_vlan_tag >> 13) & 1342f8e93412SHarish Zunjarrao ISCSI_MAX_VLAN_PRIORITY; 1343f8e93412SHarish Zunjarrao else 1344f8e93412SHarish Zunjarrao ival = (ha->ip_config.ipv6_vlan_tag >> 13) & 1345f8e93412SHarish Zunjarrao ISCSI_MAX_VLAN_PRIORITY; 1346f8e93412SHarish Zunjarrao 1347f8e93412SHarish Zunjarrao len = sprintf(buf, "%d\n", ival); 13486ac73e8cSVikas Chaudhary break; 13496ac73e8cSVikas Chaudhary case ISCSI_NET_PARAM_VLAN_ENABLED: 1350f8e93412SHarish Zunjarrao if (iface->iface_type == ISCSI_IFACE_TYPE_IPV4) { 1351f8e93412SHarish Zunjarrao OP_STATE(ha->ip_config.ipv4_options, 1352f8e93412SHarish Zunjarrao IPOPT_VLAN_TAGGING_ENABLE, pval); 1353f8e93412SHarish Zunjarrao } else { 1354f8e93412SHarish Zunjarrao OP_STATE(ha->ip_config.ipv6_options, 1355f8e93412SHarish Zunjarrao IPV6_OPT_VLAN_TAGGING_ENABLE, pval); 1356f8e93412SHarish Zunjarrao } 1357f8e93412SHarish Zunjarrao len = sprintf(buf, "%s\n", pval); 13586ac73e8cSVikas Chaudhary break; 1359943c157bSVikas Chaudhary case ISCSI_NET_PARAM_MTU: 1360943c157bSVikas Chaudhary len = sprintf(buf, "%d\n", ha->ip_config.eth_mtu_size); 1361943c157bSVikas Chaudhary break; 13622ada7fc5SVikas Chaudhary case ISCSI_NET_PARAM_PORT: 13632ada7fc5SVikas Chaudhary if (iface->iface_type == ISCSI_IFACE_TYPE_IPV4) 1364f8e93412SHarish Zunjarrao len = sprintf(buf, "%d\n", 1365f8e93412SHarish Zunjarrao ha->ip_config.ipv4_port); 1366f8e93412SHarish Zunjarrao else 1367f8e93412SHarish Zunjarrao len = sprintf(buf, "%d\n", 1368f8e93412SHarish Zunjarrao ha->ip_config.ipv6_port); 1369f8e93412SHarish Zunjarrao break; 1370f8e93412SHarish Zunjarrao case ISCSI_NET_PARAM_IPADDR_STATE: 1371f8e93412SHarish Zunjarrao if (iface->iface_type == ISCSI_IFACE_TYPE_IPV4) { 1372f8e93412SHarish Zunjarrao pval = iscsi_get_ipaddress_state_name( 1373f8e93412SHarish Zunjarrao ha->ip_config.ipv4_addr_state); 1374f8e93412SHarish Zunjarrao } else { 1375f8e93412SHarish Zunjarrao if (iface->iface_num == 0) 1376f8e93412SHarish Zunjarrao pval = iscsi_get_ipaddress_state_name( 1377f8e93412SHarish Zunjarrao ha->ip_config.ipv6_addr0_state); 1378f8e93412SHarish Zunjarrao else if (iface->iface_num == 1) 1379f8e93412SHarish Zunjarrao pval = iscsi_get_ipaddress_state_name( 1380f8e93412SHarish Zunjarrao ha->ip_config.ipv6_addr1_state); 1381f8e93412SHarish Zunjarrao } 1382f8e93412SHarish Zunjarrao 1383f8e93412SHarish Zunjarrao len = sprintf(buf, "%s\n", pval); 1384f8e93412SHarish Zunjarrao break; 1385f8e93412SHarish Zunjarrao case ISCSI_NET_PARAM_IPV6_LINKLOCAL_STATE: 1386f8e93412SHarish Zunjarrao pval = iscsi_get_ipaddress_state_name( 1387f8e93412SHarish Zunjarrao ha->ip_config.ipv6_link_local_state); 1388f8e93412SHarish Zunjarrao len = sprintf(buf, "%s\n", pval); 1389f8e93412SHarish Zunjarrao break; 1390f8e93412SHarish Zunjarrao case ISCSI_NET_PARAM_IPV6_ROUTER_STATE: 1391f8e93412SHarish Zunjarrao pval = iscsi_get_router_state_name( 1392f8e93412SHarish Zunjarrao ha->ip_config.ipv6_default_router_state); 1393f8e93412SHarish Zunjarrao len = sprintf(buf, "%s\n", pval); 1394f8e93412SHarish Zunjarrao break; 1395f8e93412SHarish Zunjarrao case ISCSI_NET_PARAM_DELAYED_ACK_EN: 1396f8e93412SHarish Zunjarrao if (iface->iface_type == ISCSI_IFACE_TYPE_IPV4) { 1397f8e93412SHarish Zunjarrao OP_STATE(~ha->ip_config.tcp_options, 1398f8e93412SHarish Zunjarrao TCPOPT_DELAYED_ACK_DISABLE, pval); 1399f8e93412SHarish Zunjarrao } else { 1400f8e93412SHarish Zunjarrao OP_STATE(~ha->ip_config.ipv6_tcp_options, 1401f8e93412SHarish Zunjarrao IPV6_TCPOPT_DELAYED_ACK_DISABLE, pval); 1402f8e93412SHarish Zunjarrao } 1403f8e93412SHarish Zunjarrao len = sprintf(buf, "%s\n", pval); 1404f8e93412SHarish Zunjarrao break; 1405f8e93412SHarish Zunjarrao case ISCSI_NET_PARAM_TCP_NAGLE_DISABLE: 1406f8e93412SHarish Zunjarrao if (iface->iface_type == ISCSI_IFACE_TYPE_IPV4) { 1407f8e93412SHarish Zunjarrao OP_STATE(~ha->ip_config.tcp_options, 1408f8e93412SHarish Zunjarrao TCPOPT_NAGLE_ALGO_DISABLE, pval); 1409f8e93412SHarish Zunjarrao } else { 1410f8e93412SHarish Zunjarrao OP_STATE(~ha->ip_config.ipv6_tcp_options, 1411f8e93412SHarish Zunjarrao IPV6_TCPOPT_NAGLE_ALGO_DISABLE, pval); 1412f8e93412SHarish Zunjarrao } 1413f8e93412SHarish Zunjarrao len = sprintf(buf, "%s\n", pval); 1414f8e93412SHarish Zunjarrao break; 1415f8e93412SHarish Zunjarrao case ISCSI_NET_PARAM_TCP_WSF_DISABLE: 1416f8e93412SHarish Zunjarrao if (iface->iface_type == ISCSI_IFACE_TYPE_IPV4) { 1417f8e93412SHarish Zunjarrao OP_STATE(~ha->ip_config.tcp_options, 1418f8e93412SHarish Zunjarrao TCPOPT_WINDOW_SCALE_DISABLE, pval); 1419f8e93412SHarish Zunjarrao } else { 1420f8e93412SHarish Zunjarrao OP_STATE(~ha->ip_config.ipv6_tcp_options, 1421f8e93412SHarish Zunjarrao IPV6_TCPOPT_WINDOW_SCALE_DISABLE, 1422f8e93412SHarish Zunjarrao pval); 1423f8e93412SHarish Zunjarrao } 1424f8e93412SHarish Zunjarrao len = sprintf(buf, "%s\n", pval); 1425f8e93412SHarish Zunjarrao break; 1426f8e93412SHarish Zunjarrao case ISCSI_NET_PARAM_TCP_WSF: 1427f8e93412SHarish Zunjarrao if (iface->iface_type == ISCSI_IFACE_TYPE_IPV4) 1428f8e93412SHarish Zunjarrao len = sprintf(buf, "%d\n", 1429f8e93412SHarish Zunjarrao ha->ip_config.tcp_wsf); 1430f8e93412SHarish Zunjarrao else 1431f8e93412SHarish Zunjarrao len = sprintf(buf, "%d\n", 1432f8e93412SHarish Zunjarrao ha->ip_config.ipv6_tcp_wsf); 1433f8e93412SHarish Zunjarrao break; 1434f8e93412SHarish Zunjarrao case ISCSI_NET_PARAM_TCP_TIMER_SCALE: 1435f8e93412SHarish Zunjarrao if (iface->iface_type == ISCSI_IFACE_TYPE_IPV4) 1436f8e93412SHarish Zunjarrao ival = (ha->ip_config.tcp_options & 1437f8e93412SHarish Zunjarrao TCPOPT_TIMER_SCALE) >> 1; 1438f8e93412SHarish Zunjarrao else 1439f8e93412SHarish Zunjarrao ival = (ha->ip_config.ipv6_tcp_options & 1440f8e93412SHarish Zunjarrao IPV6_TCPOPT_TIMER_SCALE) >> 1; 1441f8e93412SHarish Zunjarrao 1442f8e93412SHarish Zunjarrao len = sprintf(buf, "%d\n", ival); 1443f8e93412SHarish Zunjarrao break; 1444f8e93412SHarish Zunjarrao case ISCSI_NET_PARAM_TCP_TIMESTAMP_EN: 1445f8e93412SHarish Zunjarrao if (iface->iface_type == ISCSI_IFACE_TYPE_IPV4) { 1446f8e93412SHarish Zunjarrao OP_STATE(ha->ip_config.tcp_options, 1447f8e93412SHarish Zunjarrao TCPOPT_TIMESTAMP_ENABLE, pval); 1448f8e93412SHarish Zunjarrao } else { 1449f8e93412SHarish Zunjarrao OP_STATE(ha->ip_config.ipv6_tcp_options, 1450f8e93412SHarish Zunjarrao IPV6_TCPOPT_TIMESTAMP_EN, pval); 1451f8e93412SHarish Zunjarrao } 1452f8e93412SHarish Zunjarrao len = sprintf(buf, "%s\n", pval); 1453f8e93412SHarish Zunjarrao break; 1454f8e93412SHarish Zunjarrao case ISCSI_NET_PARAM_CACHE_ID: 1455f8e93412SHarish Zunjarrao if (iface->iface_type == ISCSI_IFACE_TYPE_IPV4) 1456f8e93412SHarish Zunjarrao len = sprintf(buf, "%d\n", 1457f8e93412SHarish Zunjarrao ha->ip_config.ipv4_cache_id); 1458f8e93412SHarish Zunjarrao else 1459f8e93412SHarish Zunjarrao len = sprintf(buf, "%d\n", 1460f8e93412SHarish Zunjarrao ha->ip_config.ipv6_cache_id); 1461f8e93412SHarish Zunjarrao break; 1462f8e93412SHarish Zunjarrao case ISCSI_NET_PARAM_IPV4_DHCP_DNS_ADDR_EN: 1463f8e93412SHarish Zunjarrao OP_STATE(ha->ip_config.tcp_options, 1464f8e93412SHarish Zunjarrao TCPOPT_DNS_SERVER_IP_EN, pval); 1465f8e93412SHarish Zunjarrao 1466f8e93412SHarish Zunjarrao len = sprintf(buf, "%s\n", pval); 1467f8e93412SHarish Zunjarrao break; 1468f8e93412SHarish Zunjarrao case ISCSI_NET_PARAM_IPV4_DHCP_SLP_DA_EN: 1469f8e93412SHarish Zunjarrao OP_STATE(ha->ip_config.tcp_options, 1470f8e93412SHarish Zunjarrao TCPOPT_SLP_DA_INFO_EN, pval); 1471f8e93412SHarish Zunjarrao 1472f8e93412SHarish Zunjarrao len = sprintf(buf, "%s\n", pval); 1473f8e93412SHarish Zunjarrao break; 1474f8e93412SHarish Zunjarrao case ISCSI_NET_PARAM_IPV4_TOS_EN: 1475f8e93412SHarish Zunjarrao OP_STATE(ha->ip_config.ipv4_options, 1476f8e93412SHarish Zunjarrao IPOPT_IPV4_TOS_EN, pval); 1477f8e93412SHarish Zunjarrao 1478f8e93412SHarish Zunjarrao len = sprintf(buf, "%s\n", pval); 1479f8e93412SHarish Zunjarrao break; 1480f8e93412SHarish Zunjarrao case ISCSI_NET_PARAM_IPV4_TOS: 1481f8e93412SHarish Zunjarrao len = sprintf(buf, "%d\n", ha->ip_config.ipv4_tos); 1482f8e93412SHarish Zunjarrao break; 1483f8e93412SHarish Zunjarrao case ISCSI_NET_PARAM_IPV4_GRAT_ARP_EN: 1484f8e93412SHarish Zunjarrao OP_STATE(ha->ip_config.ipv4_options, 1485f8e93412SHarish Zunjarrao IPOPT_GRAT_ARP_EN, pval); 1486f8e93412SHarish Zunjarrao 1487f8e93412SHarish Zunjarrao len = sprintf(buf, "%s\n", pval); 1488f8e93412SHarish Zunjarrao break; 1489f8e93412SHarish Zunjarrao case ISCSI_NET_PARAM_IPV4_DHCP_ALT_CLIENT_ID_EN: 1490f8e93412SHarish Zunjarrao OP_STATE(ha->ip_config.ipv4_options, IPOPT_ALT_CID_EN, 1491f8e93412SHarish Zunjarrao pval); 1492f8e93412SHarish Zunjarrao 1493f8e93412SHarish Zunjarrao len = sprintf(buf, "%s\n", pval); 1494f8e93412SHarish Zunjarrao break; 1495f8e93412SHarish Zunjarrao case ISCSI_NET_PARAM_IPV4_DHCP_ALT_CLIENT_ID: 1496f8e93412SHarish Zunjarrao pval = (ha->ip_config.ipv4_alt_cid_len) ? 1497f8e93412SHarish Zunjarrao (char *)ha->ip_config.ipv4_alt_cid : ""; 1498f8e93412SHarish Zunjarrao 1499f8e93412SHarish Zunjarrao len = sprintf(buf, "%s\n", pval); 1500f8e93412SHarish Zunjarrao break; 1501f8e93412SHarish Zunjarrao case ISCSI_NET_PARAM_IPV4_DHCP_REQ_VENDOR_ID_EN: 1502f8e93412SHarish Zunjarrao OP_STATE(ha->ip_config.ipv4_options, 1503f8e93412SHarish Zunjarrao IPOPT_REQ_VID_EN, pval); 1504f8e93412SHarish Zunjarrao 1505f8e93412SHarish Zunjarrao len = sprintf(buf, "%s\n", pval); 1506f8e93412SHarish Zunjarrao break; 1507f8e93412SHarish Zunjarrao case ISCSI_NET_PARAM_IPV4_DHCP_USE_VENDOR_ID_EN: 1508f8e93412SHarish Zunjarrao OP_STATE(ha->ip_config.ipv4_options, 1509f8e93412SHarish Zunjarrao IPOPT_USE_VID_EN, pval); 1510f8e93412SHarish Zunjarrao 1511f8e93412SHarish Zunjarrao len = sprintf(buf, "%s\n", pval); 1512f8e93412SHarish Zunjarrao break; 1513f8e93412SHarish Zunjarrao case ISCSI_NET_PARAM_IPV4_DHCP_VENDOR_ID: 1514f8e93412SHarish Zunjarrao pval = (ha->ip_config.ipv4_vid_len) ? 1515f8e93412SHarish Zunjarrao (char *)ha->ip_config.ipv4_vid : ""; 1516f8e93412SHarish Zunjarrao 1517f8e93412SHarish Zunjarrao len = sprintf(buf, "%s\n", pval); 1518f8e93412SHarish Zunjarrao break; 1519f8e93412SHarish Zunjarrao case ISCSI_NET_PARAM_IPV4_DHCP_LEARN_IQN_EN: 1520f8e93412SHarish Zunjarrao OP_STATE(ha->ip_config.ipv4_options, 1521f8e93412SHarish Zunjarrao IPOPT_LEARN_IQN_EN, pval); 1522f8e93412SHarish Zunjarrao 1523f8e93412SHarish Zunjarrao len = sprintf(buf, "%s\n", pval); 1524f8e93412SHarish Zunjarrao break; 1525f8e93412SHarish Zunjarrao case ISCSI_NET_PARAM_IPV4_FRAGMENT_DISABLE: 1526f8e93412SHarish Zunjarrao OP_STATE(~ha->ip_config.ipv4_options, 1527f8e93412SHarish Zunjarrao IPOPT_FRAGMENTATION_DISABLE, pval); 1528f8e93412SHarish Zunjarrao 1529f8e93412SHarish Zunjarrao len = sprintf(buf, "%s\n", pval); 1530f8e93412SHarish Zunjarrao break; 1531f8e93412SHarish Zunjarrao case ISCSI_NET_PARAM_IPV4_IN_FORWARD_EN: 1532f8e93412SHarish Zunjarrao OP_STATE(ha->ip_config.ipv4_options, 1533f8e93412SHarish Zunjarrao IPOPT_IN_FORWARD_EN, pval); 1534f8e93412SHarish Zunjarrao 1535f8e93412SHarish Zunjarrao len = sprintf(buf, "%s\n", pval); 1536f8e93412SHarish Zunjarrao break; 1537f8e93412SHarish Zunjarrao case ISCSI_NET_PARAM_REDIRECT_EN: 1538f8e93412SHarish Zunjarrao if (iface->iface_type == ISCSI_IFACE_TYPE_IPV4) { 1539f8e93412SHarish Zunjarrao OP_STATE(ha->ip_config.ipv4_options, 1540f8e93412SHarish Zunjarrao IPOPT_ARP_REDIRECT_EN, pval); 1541f8e93412SHarish Zunjarrao } else { 1542f8e93412SHarish Zunjarrao OP_STATE(ha->ip_config.ipv6_options, 1543f8e93412SHarish Zunjarrao IPV6_OPT_REDIRECT_EN, pval); 1544f8e93412SHarish Zunjarrao } 1545f8e93412SHarish Zunjarrao len = sprintf(buf, "%s\n", pval); 1546f8e93412SHarish Zunjarrao break; 1547f8e93412SHarish Zunjarrao case ISCSI_NET_PARAM_IPV4_TTL: 1548f8e93412SHarish Zunjarrao len = sprintf(buf, "%d\n", ha->ip_config.ipv4_ttl); 1549f8e93412SHarish Zunjarrao break; 1550f8e93412SHarish Zunjarrao case ISCSI_NET_PARAM_IPV6_GRAT_NEIGHBOR_ADV_EN: 1551f8e93412SHarish Zunjarrao OP_STATE(ha->ip_config.ipv6_options, 1552f8e93412SHarish Zunjarrao IPV6_OPT_GRAT_NEIGHBOR_ADV_EN, pval); 1553f8e93412SHarish Zunjarrao 1554f8e93412SHarish Zunjarrao len = sprintf(buf, "%s\n", pval); 1555f8e93412SHarish Zunjarrao break; 1556f8e93412SHarish Zunjarrao case ISCSI_NET_PARAM_IPV6_MLD_EN: 1557f8e93412SHarish Zunjarrao OP_STATE(ha->ip_config.ipv6_addl_options, 1558f8e93412SHarish Zunjarrao IPV6_ADDOPT_MLD_EN, pval); 1559f8e93412SHarish Zunjarrao 1560f8e93412SHarish Zunjarrao len = sprintf(buf, "%s\n", pval); 1561f8e93412SHarish Zunjarrao break; 1562f8e93412SHarish Zunjarrao case ISCSI_NET_PARAM_IPV6_FLOW_LABEL: 1563f8e93412SHarish Zunjarrao len = sprintf(buf, "%u\n", ha->ip_config.ipv6_flow_lbl); 1564f8e93412SHarish Zunjarrao break; 1565f8e93412SHarish Zunjarrao case ISCSI_NET_PARAM_IPV6_TRAFFIC_CLASS: 1566f8e93412SHarish Zunjarrao len = sprintf(buf, "%d\n", 1567f8e93412SHarish Zunjarrao ha->ip_config.ipv6_traffic_class); 1568f8e93412SHarish Zunjarrao break; 1569f8e93412SHarish Zunjarrao case ISCSI_NET_PARAM_IPV6_HOP_LIMIT: 1570f8e93412SHarish Zunjarrao len = sprintf(buf, "%d\n", 1571f8e93412SHarish Zunjarrao ha->ip_config.ipv6_hop_limit); 1572f8e93412SHarish Zunjarrao break; 1573f8e93412SHarish Zunjarrao case ISCSI_NET_PARAM_IPV6_ND_REACHABLE_TMO: 1574f8e93412SHarish Zunjarrao len = sprintf(buf, "%d\n", 1575f8e93412SHarish Zunjarrao ha->ip_config.ipv6_nd_reach_time); 1576f8e93412SHarish Zunjarrao break; 1577f8e93412SHarish Zunjarrao case ISCSI_NET_PARAM_IPV6_ND_REXMIT_TIME: 1578f8e93412SHarish Zunjarrao len = sprintf(buf, "%d\n", 1579f8e93412SHarish Zunjarrao ha->ip_config.ipv6_nd_rexmit_timer); 1580f8e93412SHarish Zunjarrao break; 1581f8e93412SHarish Zunjarrao case ISCSI_NET_PARAM_IPV6_ND_STALE_TMO: 1582f8e93412SHarish Zunjarrao len = sprintf(buf, "%d\n", 1583f8e93412SHarish Zunjarrao ha->ip_config.ipv6_nd_stale_timeout); 1584f8e93412SHarish Zunjarrao break; 1585f8e93412SHarish Zunjarrao case ISCSI_NET_PARAM_IPV6_DUP_ADDR_DETECT_CNT: 1586f8e93412SHarish Zunjarrao len = sprintf(buf, "%d\n", 1587f8e93412SHarish Zunjarrao ha->ip_config.ipv6_dup_addr_detect_count); 1588f8e93412SHarish Zunjarrao break; 1589f8e93412SHarish Zunjarrao case ISCSI_NET_PARAM_IPV6_RTR_ADV_LINK_MTU: 1590f8e93412SHarish Zunjarrao len = sprintf(buf, "%d\n", 1591f8e93412SHarish Zunjarrao ha->ip_config.ipv6_gw_advrt_mtu); 15922ada7fc5SVikas Chaudhary break; 1593ed1086e0SVikas Chaudhary default: 1594ed1086e0SVikas Chaudhary len = -ENOSYS; 1595ed1086e0SVikas Chaudhary } 1596f8e93412SHarish Zunjarrao } else if (param_type == ISCSI_IFACE_PARAM) { 1597f8e93412SHarish Zunjarrao switch (param) { 1598f8e93412SHarish Zunjarrao case ISCSI_IFACE_PARAM_DEF_TASKMGMT_TMO: 1599f8e93412SHarish Zunjarrao len = sprintf(buf, "%d\n", ha->ip_config.def_timeout); 1600f8e93412SHarish Zunjarrao break; 1601f8e93412SHarish Zunjarrao case ISCSI_IFACE_PARAM_HDRDGST_EN: 1602f8e93412SHarish Zunjarrao OP_STATE(ha->ip_config.iscsi_options, 1603f8e93412SHarish Zunjarrao ISCSIOPTS_HEADER_DIGEST_EN, pval); 1604f8e93412SHarish Zunjarrao 1605f8e93412SHarish Zunjarrao len = sprintf(buf, "%s\n", pval); 1606f8e93412SHarish Zunjarrao break; 1607f8e93412SHarish Zunjarrao case ISCSI_IFACE_PARAM_DATADGST_EN: 1608f8e93412SHarish Zunjarrao OP_STATE(ha->ip_config.iscsi_options, 1609f8e93412SHarish Zunjarrao ISCSIOPTS_DATA_DIGEST_EN, pval); 1610f8e93412SHarish Zunjarrao 1611f8e93412SHarish Zunjarrao len = sprintf(buf, "%s\n", pval); 1612f8e93412SHarish Zunjarrao break; 1613f8e93412SHarish Zunjarrao case ISCSI_IFACE_PARAM_IMM_DATA_EN: 1614f8e93412SHarish Zunjarrao OP_STATE(ha->ip_config.iscsi_options, 1615f8e93412SHarish Zunjarrao ISCSIOPTS_IMMEDIATE_DATA_EN, pval); 1616f8e93412SHarish Zunjarrao 1617f8e93412SHarish Zunjarrao len = sprintf(buf, "%s\n", pval); 1618f8e93412SHarish Zunjarrao break; 1619f8e93412SHarish Zunjarrao case ISCSI_IFACE_PARAM_INITIAL_R2T_EN: 1620f8e93412SHarish Zunjarrao OP_STATE(ha->ip_config.iscsi_options, 1621f8e93412SHarish Zunjarrao ISCSIOPTS_INITIAL_R2T_EN, pval); 1622f8e93412SHarish Zunjarrao 1623f8e93412SHarish Zunjarrao len = sprintf(buf, "%s\n", pval); 1624f8e93412SHarish Zunjarrao break; 1625f8e93412SHarish Zunjarrao case ISCSI_IFACE_PARAM_DATASEQ_INORDER_EN: 1626f8e93412SHarish Zunjarrao OP_STATE(ha->ip_config.iscsi_options, 1627f8e93412SHarish Zunjarrao ISCSIOPTS_DATA_SEQ_INORDER_EN, pval); 1628f8e93412SHarish Zunjarrao 1629f8e93412SHarish Zunjarrao len = sprintf(buf, "%s\n", pval); 1630f8e93412SHarish Zunjarrao break; 1631f8e93412SHarish Zunjarrao case ISCSI_IFACE_PARAM_PDU_INORDER_EN: 1632f8e93412SHarish Zunjarrao OP_STATE(ha->ip_config.iscsi_options, 1633f8e93412SHarish Zunjarrao ISCSIOPTS_DATA_PDU_INORDER_EN, pval); 1634f8e93412SHarish Zunjarrao 1635f8e93412SHarish Zunjarrao len = sprintf(buf, "%s\n", pval); 1636f8e93412SHarish Zunjarrao break; 1637f8e93412SHarish Zunjarrao case ISCSI_IFACE_PARAM_ERL: 1638f8e93412SHarish Zunjarrao len = sprintf(buf, "%d\n", 1639f8e93412SHarish Zunjarrao (ha->ip_config.iscsi_options & 1640f8e93412SHarish Zunjarrao ISCSIOPTS_ERL)); 1641f8e93412SHarish Zunjarrao break; 1642f8e93412SHarish Zunjarrao case ISCSI_IFACE_PARAM_MAX_RECV_DLENGTH: 1643f8e93412SHarish Zunjarrao len = sprintf(buf, "%u\n", 1644f8e93412SHarish Zunjarrao ha->ip_config.iscsi_max_pdu_size * 1645f8e93412SHarish Zunjarrao BYTE_UNITS); 1646f8e93412SHarish Zunjarrao break; 1647f8e93412SHarish Zunjarrao case ISCSI_IFACE_PARAM_FIRST_BURST: 1648f8e93412SHarish Zunjarrao len = sprintf(buf, "%u\n", 1649f8e93412SHarish Zunjarrao ha->ip_config.iscsi_first_burst_len * 1650f8e93412SHarish Zunjarrao BYTE_UNITS); 1651f8e93412SHarish Zunjarrao break; 1652f8e93412SHarish Zunjarrao case ISCSI_IFACE_PARAM_MAX_R2T: 1653f8e93412SHarish Zunjarrao len = sprintf(buf, "%d\n", 1654f8e93412SHarish Zunjarrao ha->ip_config.iscsi_max_outstnd_r2t); 1655f8e93412SHarish Zunjarrao break; 1656f8e93412SHarish Zunjarrao case ISCSI_IFACE_PARAM_MAX_BURST: 1657f8e93412SHarish Zunjarrao len = sprintf(buf, "%u\n", 1658f8e93412SHarish Zunjarrao ha->ip_config.iscsi_max_burst_len * 1659f8e93412SHarish Zunjarrao BYTE_UNITS); 1660f8e93412SHarish Zunjarrao break; 1661f8e93412SHarish Zunjarrao case ISCSI_IFACE_PARAM_CHAP_AUTH_EN: 1662f8e93412SHarish Zunjarrao OP_STATE(ha->ip_config.iscsi_options, 1663f8e93412SHarish Zunjarrao ISCSIOPTS_CHAP_AUTH_EN, pval); 1664f8e93412SHarish Zunjarrao 1665f8e93412SHarish Zunjarrao len = sprintf(buf, "%s\n", pval); 1666f8e93412SHarish Zunjarrao break; 1667f8e93412SHarish Zunjarrao case ISCSI_IFACE_PARAM_BIDI_CHAP_EN: 1668f8e93412SHarish Zunjarrao OP_STATE(ha->ip_config.iscsi_options, 1669f8e93412SHarish Zunjarrao ISCSIOPTS_BIDI_CHAP_EN, pval); 1670f8e93412SHarish Zunjarrao 1671f8e93412SHarish Zunjarrao len = sprintf(buf, "%s\n", pval); 1672f8e93412SHarish Zunjarrao break; 1673f8e93412SHarish Zunjarrao case ISCSI_IFACE_PARAM_DISCOVERY_AUTH_OPTIONAL: 1674f8e93412SHarish Zunjarrao OP_STATE(ha->ip_config.iscsi_options, 1675f8e93412SHarish Zunjarrao ISCSIOPTS_DISCOVERY_AUTH_EN, pval); 1676f8e93412SHarish Zunjarrao 1677f8e93412SHarish Zunjarrao len = sprintf(buf, "%s\n", pval); 1678f8e93412SHarish Zunjarrao break; 1679f8e93412SHarish Zunjarrao case ISCSI_IFACE_PARAM_DISCOVERY_LOGOUT_EN: 1680f8e93412SHarish Zunjarrao OP_STATE(ha->ip_config.iscsi_options, 1681f8e93412SHarish Zunjarrao ISCSIOPTS_DISCOVERY_LOGOUT_EN, pval); 1682f8e93412SHarish Zunjarrao 1683f8e93412SHarish Zunjarrao len = sprintf(buf, "%s\n", pval); 1684f8e93412SHarish Zunjarrao break; 1685f8e93412SHarish Zunjarrao case ISCSI_IFACE_PARAM_STRICT_LOGIN_COMP_EN: 1686f8e93412SHarish Zunjarrao OP_STATE(ha->ip_config.iscsi_options, 1687f8e93412SHarish Zunjarrao ISCSIOPTS_STRICT_LOGIN_COMP_EN, pval); 1688f8e93412SHarish Zunjarrao 1689f8e93412SHarish Zunjarrao len = sprintf(buf, "%s\n", pval); 1690f8e93412SHarish Zunjarrao break; 1691f8e93412SHarish Zunjarrao case ISCSI_IFACE_PARAM_INITIATOR_NAME: 1692f8e93412SHarish Zunjarrao len = sprintf(buf, "%s\n", ha->ip_config.iscsi_name); 1693f8e93412SHarish Zunjarrao break; 1694f8e93412SHarish Zunjarrao default: 1695f8e93412SHarish Zunjarrao len = -ENOSYS; 1696f8e93412SHarish Zunjarrao } 1697f8e93412SHarish Zunjarrao } 1698ed1086e0SVikas Chaudhary 1699ed1086e0SVikas Chaudhary return len; 1700ed1086e0SVikas Chaudhary } 1701ed1086e0SVikas Chaudhary 1702b3a271a9SManish Rangankar static struct iscsi_endpoint * 1703b3a271a9SManish Rangankar qla4xxx_ep_connect(struct Scsi_Host *shost, struct sockaddr *dst_addr, 1704b3a271a9SManish Rangankar int non_blocking) 1705b3a271a9SManish Rangankar { 1706b3a271a9SManish Rangankar int ret; 1707b3a271a9SManish Rangankar struct iscsi_endpoint *ep; 1708b3a271a9SManish Rangankar struct qla_endpoint *qla_ep; 1709b3a271a9SManish Rangankar struct scsi_qla_host *ha; 1710b3a271a9SManish Rangankar struct sockaddr_in *addr; 1711b3a271a9SManish Rangankar struct sockaddr_in6 *addr6; 1712b3a271a9SManish Rangankar 1713b3a271a9SManish Rangankar if (!shost) { 1714b3a271a9SManish Rangankar ret = -ENXIO; 1715c343c5e0SVikas Chaudhary pr_err("%s: shost is NULL\n", __func__); 1716b3a271a9SManish Rangankar return ERR_PTR(ret); 1717b3a271a9SManish Rangankar } 1718b3a271a9SManish Rangankar 1719b3a271a9SManish Rangankar ha = iscsi_host_priv(shost); 1720b3a271a9SManish Rangankar ep = iscsi_create_endpoint(sizeof(struct qla_endpoint)); 1721b3a271a9SManish Rangankar if (!ep) { 1722b3a271a9SManish Rangankar ret = -ENOMEM; 1723b3a271a9SManish Rangankar return ERR_PTR(ret); 1724b3a271a9SManish Rangankar } 1725b3a271a9SManish Rangankar 1726b3a271a9SManish Rangankar qla_ep = ep->dd_data; 1727b3a271a9SManish Rangankar memset(qla_ep, 0, sizeof(struct qla_endpoint)); 1728b3a271a9SManish Rangankar if (dst_addr->sa_family == AF_INET) { 1729b3a271a9SManish Rangankar memcpy(&qla_ep->dst_addr, dst_addr, sizeof(struct sockaddr_in)); 1730b3a271a9SManish Rangankar addr = (struct sockaddr_in *)&qla_ep->dst_addr; 1731b3a271a9SManish Rangankar DEBUG2(ql4_printk(KERN_INFO, ha, "%s: %pI4\n", __func__, 1732b3a271a9SManish Rangankar (char *)&addr->sin_addr)); 1733b3a271a9SManish Rangankar } else if (dst_addr->sa_family == AF_INET6) { 1734b3a271a9SManish Rangankar memcpy(&qla_ep->dst_addr, dst_addr, 1735b3a271a9SManish Rangankar sizeof(struct sockaddr_in6)); 1736b3a271a9SManish Rangankar addr6 = (struct sockaddr_in6 *)&qla_ep->dst_addr; 1737b3a271a9SManish Rangankar DEBUG2(ql4_printk(KERN_INFO, ha, "%s: %pI6\n", __func__, 1738b3a271a9SManish Rangankar (char *)&addr6->sin6_addr)); 1739c343c5e0SVikas Chaudhary } else { 1740c343c5e0SVikas Chaudhary ql4_printk(KERN_WARNING, ha, "%s: Invalid endpoint\n", 1741c343c5e0SVikas Chaudhary __func__); 1742b3a271a9SManish Rangankar } 1743b3a271a9SManish Rangankar 1744b3a271a9SManish Rangankar qla_ep->host = shost; 1745b3a271a9SManish Rangankar 1746b3a271a9SManish Rangankar return ep; 1747b3a271a9SManish Rangankar } 1748b3a271a9SManish Rangankar 1749b3a271a9SManish Rangankar static int qla4xxx_ep_poll(struct iscsi_endpoint *ep, int timeout_ms) 1750b3a271a9SManish Rangankar { 1751b3a271a9SManish Rangankar struct qla_endpoint *qla_ep; 1752b3a271a9SManish Rangankar struct scsi_qla_host *ha; 1753b3a271a9SManish Rangankar int ret = 0; 1754b3a271a9SManish Rangankar 1755b3a271a9SManish Rangankar qla_ep = ep->dd_data; 1756b3a271a9SManish Rangankar ha = to_qla_host(qla_ep->host); 1757c343c5e0SVikas Chaudhary DEBUG2(pr_info_ratelimited("%s: host: %ld\n", __func__, ha->host_no)); 1758b3a271a9SManish Rangankar 175913483730SMike Christie if (adapter_up(ha) && !test_bit(AF_BUILD_DDB_LIST, &ha->flags)) 1760b3a271a9SManish Rangankar ret = 1; 1761b3a271a9SManish Rangankar 1762b3a271a9SManish Rangankar return ret; 1763b3a271a9SManish Rangankar } 1764b3a271a9SManish Rangankar 1765b3a271a9SManish Rangankar static void qla4xxx_ep_disconnect(struct iscsi_endpoint *ep) 1766b3a271a9SManish Rangankar { 1767c343c5e0SVikas Chaudhary struct qla_endpoint *qla_ep; 1768c343c5e0SVikas Chaudhary struct scsi_qla_host *ha; 1769c343c5e0SVikas Chaudhary 1770c343c5e0SVikas Chaudhary qla_ep = ep->dd_data; 1771c343c5e0SVikas Chaudhary ha = to_qla_host(qla_ep->host); 1772c343c5e0SVikas Chaudhary DEBUG2(ql4_printk(KERN_INFO, ha, "%s: host: %ld\n", __func__, 1773c343c5e0SVikas Chaudhary ha->host_no)); 1774b3a271a9SManish Rangankar iscsi_destroy_endpoint(ep); 1775b3a271a9SManish Rangankar } 1776b3a271a9SManish Rangankar 1777b3a271a9SManish Rangankar static int qla4xxx_get_ep_param(struct iscsi_endpoint *ep, 1778b3a271a9SManish Rangankar enum iscsi_param param, 1779b3a271a9SManish Rangankar char *buf) 1780b3a271a9SManish Rangankar { 1781b3a271a9SManish Rangankar struct qla_endpoint *qla_ep = ep->dd_data; 1782b3a271a9SManish Rangankar struct sockaddr *dst_addr; 1783c343c5e0SVikas Chaudhary struct scsi_qla_host *ha; 1784b3a271a9SManish Rangankar 178573597bddSAdheer Chandravanshi if (!qla_ep) 178673597bddSAdheer Chandravanshi return -ENOTCONN; 178773597bddSAdheer Chandravanshi 1788c343c5e0SVikas Chaudhary ha = to_qla_host(qla_ep->host); 1789c343c5e0SVikas Chaudhary DEBUG2(ql4_printk(KERN_INFO, ha, "%s: host: %ld\n", __func__, 1790c343c5e0SVikas Chaudhary ha->host_no)); 1791b3a271a9SManish Rangankar 1792b3a271a9SManish Rangankar switch (param) { 1793b3a271a9SManish Rangankar case ISCSI_PARAM_CONN_PORT: 1794b3a271a9SManish Rangankar case ISCSI_PARAM_CONN_ADDRESS: 1795b3a271a9SManish Rangankar dst_addr = (struct sockaddr *)&qla_ep->dst_addr; 1796b3a271a9SManish Rangankar if (!dst_addr) 1797b3a271a9SManish Rangankar return -ENOTCONN; 1798b3a271a9SManish Rangankar 1799b3a271a9SManish Rangankar return iscsi_conn_get_addr_param((struct sockaddr_storage *) 1800b3a271a9SManish Rangankar &qla_ep->dst_addr, param, buf); 1801b3a271a9SManish Rangankar default: 1802b3a271a9SManish Rangankar return -ENOSYS; 1803b3a271a9SManish Rangankar } 1804b3a271a9SManish Rangankar } 1805b3a271a9SManish Rangankar 1806b3a271a9SManish Rangankar static void qla4xxx_conn_get_stats(struct iscsi_cls_conn *cls_conn, 1807b3a271a9SManish Rangankar struct iscsi_stats *stats) 1808b3a271a9SManish Rangankar { 1809b3a271a9SManish Rangankar struct iscsi_session *sess; 1810b3a271a9SManish Rangankar struct iscsi_cls_session *cls_sess; 1811b3a271a9SManish Rangankar struct ddb_entry *ddb_entry; 1812b3a271a9SManish Rangankar struct scsi_qla_host *ha; 1813b3a271a9SManish Rangankar struct ql_iscsi_stats *ql_iscsi_stats; 1814b3a271a9SManish Rangankar int stats_size; 1815b3a271a9SManish Rangankar int ret; 1816b3a271a9SManish Rangankar dma_addr_t iscsi_stats_dma; 1817b3a271a9SManish Rangankar 1818b3a271a9SManish Rangankar cls_sess = iscsi_conn_to_session(cls_conn); 1819b3a271a9SManish Rangankar sess = cls_sess->dd_data; 1820b3a271a9SManish Rangankar ddb_entry = sess->dd_data; 1821b3a271a9SManish Rangankar ha = ddb_entry->ha; 1822b3a271a9SManish Rangankar 1823c343c5e0SVikas Chaudhary DEBUG2(ql4_printk(KERN_INFO, ha, "%s: host: %ld\n", __func__, 1824c343c5e0SVikas Chaudhary ha->host_no)); 1825b3a271a9SManish Rangankar stats_size = PAGE_ALIGN(sizeof(struct ql_iscsi_stats)); 1826b3a271a9SManish Rangankar /* Allocate memory */ 1827b3a271a9SManish Rangankar ql_iscsi_stats = dma_alloc_coherent(&ha->pdev->dev, stats_size, 1828b3a271a9SManish Rangankar &iscsi_stats_dma, GFP_KERNEL); 1829b3a271a9SManish Rangankar if (!ql_iscsi_stats) { 1830b3a271a9SManish Rangankar ql4_printk(KERN_ERR, ha, 1831b3a271a9SManish Rangankar "Unable to allocate memory for iscsi stats\n"); 1832b3a271a9SManish Rangankar goto exit_get_stats; 1833b3a271a9SManish Rangankar } 1834b3a271a9SManish Rangankar 1835b3a271a9SManish Rangankar ret = qla4xxx_get_mgmt_data(ha, ddb_entry->fw_ddb_index, stats_size, 1836b3a271a9SManish Rangankar iscsi_stats_dma); 1837b3a271a9SManish Rangankar if (ret != QLA_SUCCESS) { 1838b3a271a9SManish Rangankar ql4_printk(KERN_ERR, ha, 183959e13d48SMasanari Iida "Unable to retrieve iscsi stats\n"); 1840b3a271a9SManish Rangankar goto free_stats; 1841b3a271a9SManish Rangankar } 1842b3a271a9SManish Rangankar 1843b3a271a9SManish Rangankar /* octets */ 1844b3a271a9SManish Rangankar stats->txdata_octets = le64_to_cpu(ql_iscsi_stats->tx_data_octets); 1845b3a271a9SManish Rangankar stats->rxdata_octets = le64_to_cpu(ql_iscsi_stats->rx_data_octets); 1846b3a271a9SManish Rangankar /* xmit pdus */ 1847b3a271a9SManish Rangankar stats->noptx_pdus = le32_to_cpu(ql_iscsi_stats->tx_nopout_pdus); 1848b3a271a9SManish Rangankar stats->scsicmd_pdus = le32_to_cpu(ql_iscsi_stats->tx_scsi_cmd_pdus); 1849b3a271a9SManish Rangankar stats->tmfcmd_pdus = le32_to_cpu(ql_iscsi_stats->tx_tmf_cmd_pdus); 1850b3a271a9SManish Rangankar stats->login_pdus = le32_to_cpu(ql_iscsi_stats->tx_login_cmd_pdus); 1851b3a271a9SManish Rangankar stats->text_pdus = le32_to_cpu(ql_iscsi_stats->tx_text_cmd_pdus); 1852b3a271a9SManish Rangankar stats->dataout_pdus = le32_to_cpu(ql_iscsi_stats->tx_scsi_write_pdus); 1853b3a271a9SManish Rangankar stats->logout_pdus = le32_to_cpu(ql_iscsi_stats->tx_logout_cmd_pdus); 1854b3a271a9SManish Rangankar stats->snack_pdus = le32_to_cpu(ql_iscsi_stats->tx_snack_req_pdus); 1855b3a271a9SManish Rangankar /* recv pdus */ 1856b3a271a9SManish Rangankar stats->noprx_pdus = le32_to_cpu(ql_iscsi_stats->rx_nopin_pdus); 1857b3a271a9SManish Rangankar stats->scsirsp_pdus = le32_to_cpu(ql_iscsi_stats->rx_scsi_resp_pdus); 1858b3a271a9SManish Rangankar stats->tmfrsp_pdus = le32_to_cpu(ql_iscsi_stats->rx_tmf_resp_pdus); 1859b3a271a9SManish Rangankar stats->textrsp_pdus = le32_to_cpu(ql_iscsi_stats->rx_text_resp_pdus); 1860b3a271a9SManish Rangankar stats->datain_pdus = le32_to_cpu(ql_iscsi_stats->rx_scsi_read_pdus); 1861b3a271a9SManish Rangankar stats->logoutrsp_pdus = 1862b3a271a9SManish Rangankar le32_to_cpu(ql_iscsi_stats->rx_logout_resp_pdus); 1863b3a271a9SManish Rangankar stats->r2t_pdus = le32_to_cpu(ql_iscsi_stats->rx_r2t_pdus); 1864b3a271a9SManish Rangankar stats->async_pdus = le32_to_cpu(ql_iscsi_stats->rx_async_pdus); 1865b3a271a9SManish Rangankar stats->rjt_pdus = le32_to_cpu(ql_iscsi_stats->rx_reject_pdus); 1866b3a271a9SManish Rangankar 1867b3a271a9SManish Rangankar free_stats: 1868b3a271a9SManish Rangankar dma_free_coherent(&ha->pdev->dev, stats_size, ql_iscsi_stats, 1869b3a271a9SManish Rangankar iscsi_stats_dma); 1870b3a271a9SManish Rangankar exit_get_stats: 1871b3a271a9SManish Rangankar return; 1872b3a271a9SManish Rangankar } 1873b3a271a9SManish Rangankar 18745c656af7SMike Christie static enum blk_eh_timer_return qla4xxx_eh_cmd_timed_out(struct scsi_cmnd *sc) 18755c656af7SMike Christie { 18765c656af7SMike Christie struct iscsi_cls_session *session; 1877b3a271a9SManish Rangankar unsigned long flags; 18786600593cSChristoph Hellwig enum blk_eh_timer_return ret = BLK_EH_DONE; 18795c656af7SMike Christie 18805c656af7SMike Christie session = starget_to_session(scsi_target(sc->device)); 18815c656af7SMike Christie 1882b3a271a9SManish Rangankar spin_lock_irqsave(&session->lock, flags); 1883b3a271a9SManish Rangankar if (session->state == ISCSI_SESSION_FAILED) 1884b3a271a9SManish Rangankar ret = BLK_EH_RESET_TIMER; 1885b3a271a9SManish Rangankar spin_unlock_irqrestore(&session->lock, flags); 18865c656af7SMike Christie 1887b3a271a9SManish Rangankar return ret; 1888568d303bSMike Christie } 1889afaf5a2dSDavid Somayajulu 18903254dbe9SVikas Chaudhary static void qla4xxx_set_port_speed(struct Scsi_Host *shost) 18913254dbe9SVikas Chaudhary { 18923254dbe9SVikas Chaudhary struct scsi_qla_host *ha = to_qla_host(shost); 1893e16d166eSVikas Chaudhary struct iscsi_cls_host *ihost = shost->shost_data; 18943254dbe9SVikas Chaudhary uint32_t speed = ISCSI_PORT_SPEED_UNKNOWN; 18953254dbe9SVikas Chaudhary 18963254dbe9SVikas Chaudhary qla4xxx_get_firmware_state(ha); 18973254dbe9SVikas Chaudhary 18983254dbe9SVikas Chaudhary switch (ha->addl_fw_state & 0x0F00) { 18993254dbe9SVikas Chaudhary case FW_ADDSTATE_LINK_SPEED_10MBPS: 19003254dbe9SVikas Chaudhary speed = ISCSI_PORT_SPEED_10MBPS; 19013254dbe9SVikas Chaudhary break; 19023254dbe9SVikas Chaudhary case FW_ADDSTATE_LINK_SPEED_100MBPS: 19033254dbe9SVikas Chaudhary speed = ISCSI_PORT_SPEED_100MBPS; 19043254dbe9SVikas Chaudhary break; 19053254dbe9SVikas Chaudhary case FW_ADDSTATE_LINK_SPEED_1GBPS: 19063254dbe9SVikas Chaudhary speed = ISCSI_PORT_SPEED_1GBPS; 19073254dbe9SVikas Chaudhary break; 19083254dbe9SVikas Chaudhary case FW_ADDSTATE_LINK_SPEED_10GBPS: 19093254dbe9SVikas Chaudhary speed = ISCSI_PORT_SPEED_10GBPS; 19103254dbe9SVikas Chaudhary break; 19113254dbe9SVikas Chaudhary } 19123254dbe9SVikas Chaudhary ihost->port_speed = speed; 19133254dbe9SVikas Chaudhary } 19143254dbe9SVikas Chaudhary 19153254dbe9SVikas Chaudhary static void qla4xxx_set_port_state(struct Scsi_Host *shost) 19163254dbe9SVikas Chaudhary { 19173254dbe9SVikas Chaudhary struct scsi_qla_host *ha = to_qla_host(shost); 1918e16d166eSVikas Chaudhary struct iscsi_cls_host *ihost = shost->shost_data; 19193254dbe9SVikas Chaudhary uint32_t state = ISCSI_PORT_STATE_DOWN; 19203254dbe9SVikas Chaudhary 19213254dbe9SVikas Chaudhary if (test_bit(AF_LINK_UP, &ha->flags)) 19223254dbe9SVikas Chaudhary state = ISCSI_PORT_STATE_UP; 19233254dbe9SVikas Chaudhary 19243254dbe9SVikas Chaudhary ihost->port_state = state; 19253254dbe9SVikas Chaudhary } 19263254dbe9SVikas Chaudhary 1927aa1e93a2SMike Christie static int qla4xxx_host_get_param(struct Scsi_Host *shost, 1928aa1e93a2SMike Christie enum iscsi_host_param param, char *buf) 1929aa1e93a2SMike Christie { 1930aa1e93a2SMike Christie struct scsi_qla_host *ha = to_qla_host(shost); 1931aa1e93a2SMike Christie int len; 1932aa1e93a2SMike Christie 1933aa1e93a2SMike Christie switch (param) { 1934aa1e93a2SMike Christie case ISCSI_HOST_PARAM_HWADDRESS: 19357ffc49a6SMichael Chan len = sysfs_format_mac(buf, ha->my_mac, MAC_ADDR_LEN); 1936aa1e93a2SMike Christie break; 193722236961SMike Christie case ISCSI_HOST_PARAM_IPADDRESS: 19382bab08fcSVikas Chaudhary len = sprintf(buf, "%pI4\n", &ha->ip_config.ip_address); 193922236961SMike Christie break; 19408ad5781aSMike Christie case ISCSI_HOST_PARAM_INITIATOR_NAME: 194122236961SMike Christie len = sprintf(buf, "%s\n", ha->name_string); 19428ad5781aSMike Christie break; 19433254dbe9SVikas Chaudhary case ISCSI_HOST_PARAM_PORT_STATE: 19443254dbe9SVikas Chaudhary qla4xxx_set_port_state(shost); 19453254dbe9SVikas Chaudhary len = sprintf(buf, "%s\n", iscsi_get_port_state_name(shost)); 19463254dbe9SVikas Chaudhary break; 19473254dbe9SVikas Chaudhary case ISCSI_HOST_PARAM_PORT_SPEED: 19483254dbe9SVikas Chaudhary qla4xxx_set_port_speed(shost); 19493254dbe9SVikas Chaudhary len = sprintf(buf, "%s\n", iscsi_get_port_speed_name(shost)); 19503254dbe9SVikas Chaudhary break; 1951aa1e93a2SMike Christie default: 1952aa1e93a2SMike Christie return -ENOSYS; 1953aa1e93a2SMike Christie } 1954aa1e93a2SMike Christie 1955aa1e93a2SMike Christie return len; 1956aa1e93a2SMike Christie } 1957aa1e93a2SMike Christie 1958ed1086e0SVikas Chaudhary static void qla4xxx_create_ipv4_iface(struct scsi_qla_host *ha) 1959ed1086e0SVikas Chaudhary { 1960ed1086e0SVikas Chaudhary if (ha->iface_ipv4) 1961ed1086e0SVikas Chaudhary return; 1962ed1086e0SVikas Chaudhary 1963ed1086e0SVikas Chaudhary /* IPv4 */ 1964ed1086e0SVikas Chaudhary ha->iface_ipv4 = iscsi_create_iface(ha->host, 1965ed1086e0SVikas Chaudhary &qla4xxx_iscsi_transport, 1966ed1086e0SVikas Chaudhary ISCSI_IFACE_TYPE_IPV4, 0, 0); 1967ed1086e0SVikas Chaudhary if (!ha->iface_ipv4) 1968ed1086e0SVikas Chaudhary ql4_printk(KERN_ERR, ha, "Could not create IPv4 iSCSI " 1969ed1086e0SVikas Chaudhary "iface0.\n"); 1970ed1086e0SVikas Chaudhary } 1971ed1086e0SVikas Chaudhary 1972ed1086e0SVikas Chaudhary static void qla4xxx_create_ipv6_iface(struct scsi_qla_host *ha) 1973ed1086e0SVikas Chaudhary { 1974ed1086e0SVikas Chaudhary if (!ha->iface_ipv6_0) 1975ed1086e0SVikas Chaudhary /* IPv6 iface-0 */ 1976ed1086e0SVikas Chaudhary ha->iface_ipv6_0 = iscsi_create_iface(ha->host, 1977ed1086e0SVikas Chaudhary &qla4xxx_iscsi_transport, 1978ed1086e0SVikas Chaudhary ISCSI_IFACE_TYPE_IPV6, 0, 1979ed1086e0SVikas Chaudhary 0); 1980ed1086e0SVikas Chaudhary if (!ha->iface_ipv6_0) 1981ed1086e0SVikas Chaudhary ql4_printk(KERN_ERR, ha, "Could not create IPv6 iSCSI " 1982ed1086e0SVikas Chaudhary "iface0.\n"); 1983ed1086e0SVikas Chaudhary 1984ed1086e0SVikas Chaudhary if (!ha->iface_ipv6_1) 1985ed1086e0SVikas Chaudhary /* IPv6 iface-1 */ 1986ed1086e0SVikas Chaudhary ha->iface_ipv6_1 = iscsi_create_iface(ha->host, 1987ed1086e0SVikas Chaudhary &qla4xxx_iscsi_transport, 1988ed1086e0SVikas Chaudhary ISCSI_IFACE_TYPE_IPV6, 1, 1989ed1086e0SVikas Chaudhary 0); 1990ed1086e0SVikas Chaudhary if (!ha->iface_ipv6_1) 1991ed1086e0SVikas Chaudhary ql4_printk(KERN_ERR, ha, "Could not create IPv6 iSCSI " 1992ed1086e0SVikas Chaudhary "iface1.\n"); 1993ed1086e0SVikas Chaudhary } 1994ed1086e0SVikas Chaudhary 1995ed1086e0SVikas Chaudhary static void qla4xxx_create_ifaces(struct scsi_qla_host *ha) 1996ed1086e0SVikas Chaudhary { 1997ed1086e0SVikas Chaudhary if (ha->ip_config.ipv4_options & IPOPT_IPV4_PROTOCOL_ENABLE) 1998ed1086e0SVikas Chaudhary qla4xxx_create_ipv4_iface(ha); 1999ed1086e0SVikas Chaudhary 2000ed1086e0SVikas Chaudhary if (ha->ip_config.ipv6_options & IPV6_OPT_IPV6_PROTOCOL_ENABLE) 2001ed1086e0SVikas Chaudhary qla4xxx_create_ipv6_iface(ha); 2002ed1086e0SVikas Chaudhary } 2003ed1086e0SVikas Chaudhary 2004ed1086e0SVikas Chaudhary static void qla4xxx_destroy_ipv4_iface(struct scsi_qla_host *ha) 2005ed1086e0SVikas Chaudhary { 2006ed1086e0SVikas Chaudhary if (ha->iface_ipv4) { 2007ed1086e0SVikas Chaudhary iscsi_destroy_iface(ha->iface_ipv4); 2008ed1086e0SVikas Chaudhary ha->iface_ipv4 = NULL; 2009ed1086e0SVikas Chaudhary } 2010ed1086e0SVikas Chaudhary } 2011ed1086e0SVikas Chaudhary 2012ed1086e0SVikas Chaudhary static void qla4xxx_destroy_ipv6_iface(struct scsi_qla_host *ha) 2013ed1086e0SVikas Chaudhary { 2014ed1086e0SVikas Chaudhary if (ha->iface_ipv6_0) { 2015ed1086e0SVikas Chaudhary iscsi_destroy_iface(ha->iface_ipv6_0); 2016ed1086e0SVikas Chaudhary ha->iface_ipv6_0 = NULL; 2017ed1086e0SVikas Chaudhary } 2018ed1086e0SVikas Chaudhary if (ha->iface_ipv6_1) { 2019ed1086e0SVikas Chaudhary iscsi_destroy_iface(ha->iface_ipv6_1); 2020ed1086e0SVikas Chaudhary ha->iface_ipv6_1 = NULL; 2021ed1086e0SVikas Chaudhary } 2022ed1086e0SVikas Chaudhary } 2023ed1086e0SVikas Chaudhary 2024ed1086e0SVikas Chaudhary static void qla4xxx_destroy_ifaces(struct scsi_qla_host *ha) 2025ed1086e0SVikas Chaudhary { 2026ed1086e0SVikas Chaudhary qla4xxx_destroy_ipv4_iface(ha); 2027ed1086e0SVikas Chaudhary qla4xxx_destroy_ipv6_iface(ha); 2028ed1086e0SVikas Chaudhary } 2029ed1086e0SVikas Chaudhary 2030d00efe3fSMike Christie static void qla4xxx_set_ipv6(struct scsi_qla_host *ha, 2031d00efe3fSMike Christie struct iscsi_iface_param_info *iface_param, 2032d00efe3fSMike Christie struct addr_ctrl_blk *init_fw_cb) 2033d00efe3fSMike Christie { 2034d00efe3fSMike Christie /* 2035d00efe3fSMike Christie * iface_num 0 is valid for IPv6 Addr, linklocal, router, autocfg. 2036d00efe3fSMike Christie * iface_num 1 is valid only for IPv6 Addr. 2037d00efe3fSMike Christie */ 2038d00efe3fSMike Christie switch (iface_param->param) { 2039d00efe3fSMike Christie case ISCSI_NET_PARAM_IPV6_ADDR: 2040d00efe3fSMike Christie if (iface_param->iface_num & 0x1) 2041d00efe3fSMike Christie /* IPv6 Addr 1 */ 2042d00efe3fSMike Christie memcpy(init_fw_cb->ipv6_addr1, iface_param->value, 2043d00efe3fSMike Christie sizeof(init_fw_cb->ipv6_addr1)); 2044d00efe3fSMike Christie else 2045d00efe3fSMike Christie /* IPv6 Addr 0 */ 2046d00efe3fSMike Christie memcpy(init_fw_cb->ipv6_addr0, iface_param->value, 2047d00efe3fSMike Christie sizeof(init_fw_cb->ipv6_addr0)); 2048d00efe3fSMike Christie break; 2049d00efe3fSMike Christie case ISCSI_NET_PARAM_IPV6_LINKLOCAL: 2050d00efe3fSMike Christie if (iface_param->iface_num & 0x1) 2051d00efe3fSMike Christie break; 2052d00efe3fSMike Christie memcpy(init_fw_cb->ipv6_if_id, &iface_param->value[8], 2053d00efe3fSMike Christie sizeof(init_fw_cb->ipv6_if_id)); 2054d00efe3fSMike Christie break; 2055d00efe3fSMike Christie case ISCSI_NET_PARAM_IPV6_ROUTER: 2056d00efe3fSMike Christie if (iface_param->iface_num & 0x1) 2057d00efe3fSMike Christie break; 2058d00efe3fSMike Christie memcpy(init_fw_cb->ipv6_dflt_rtr_addr, iface_param->value, 2059d00efe3fSMike Christie sizeof(init_fw_cb->ipv6_dflt_rtr_addr)); 2060d00efe3fSMike Christie break; 2061d00efe3fSMike Christie case ISCSI_NET_PARAM_IPV6_ADDR_AUTOCFG: 2062d00efe3fSMike Christie /* Autocfg applies to even interface */ 2063d00efe3fSMike Christie if (iface_param->iface_num & 0x1) 2064d00efe3fSMike Christie break; 2065d00efe3fSMike Christie 2066d00efe3fSMike Christie if (iface_param->value[0] == ISCSI_IPV6_AUTOCFG_DISABLE) 2067d00efe3fSMike Christie init_fw_cb->ipv6_addtl_opts &= 2068d00efe3fSMike Christie cpu_to_le16( 2069d00efe3fSMike Christie ~IPV6_ADDOPT_NEIGHBOR_DISCOVERY_ADDR_ENABLE); 2070d00efe3fSMike Christie else if (iface_param->value[0] == ISCSI_IPV6_AUTOCFG_ND_ENABLE) 2071d00efe3fSMike Christie init_fw_cb->ipv6_addtl_opts |= 2072d00efe3fSMike Christie cpu_to_le16( 2073d00efe3fSMike Christie IPV6_ADDOPT_NEIGHBOR_DISCOVERY_ADDR_ENABLE); 2074d00efe3fSMike Christie else 2075f8e93412SHarish Zunjarrao ql4_printk(KERN_ERR, ha, 2076f8e93412SHarish Zunjarrao "Invalid autocfg setting for IPv6 addr\n"); 2077d00efe3fSMike Christie break; 2078d00efe3fSMike Christie case ISCSI_NET_PARAM_IPV6_LINKLOCAL_AUTOCFG: 2079d00efe3fSMike Christie /* Autocfg applies to even interface */ 2080d00efe3fSMike Christie if (iface_param->iface_num & 0x1) 2081d00efe3fSMike Christie break; 2082d00efe3fSMike Christie 2083d00efe3fSMike Christie if (iface_param->value[0] == 2084d00efe3fSMike Christie ISCSI_IPV6_LINKLOCAL_AUTOCFG_ENABLE) 2085d00efe3fSMike Christie init_fw_cb->ipv6_addtl_opts |= cpu_to_le16( 2086d00efe3fSMike Christie IPV6_ADDOPT_AUTOCONFIG_LINK_LOCAL_ADDR); 2087d00efe3fSMike Christie else if (iface_param->value[0] == 2088d00efe3fSMike Christie ISCSI_IPV6_LINKLOCAL_AUTOCFG_DISABLE) 2089d00efe3fSMike Christie init_fw_cb->ipv6_addtl_opts &= cpu_to_le16( 2090d00efe3fSMike Christie ~IPV6_ADDOPT_AUTOCONFIG_LINK_LOCAL_ADDR); 2091d00efe3fSMike Christie else 2092f8e93412SHarish Zunjarrao ql4_printk(KERN_ERR, ha, 2093f8e93412SHarish Zunjarrao "Invalid autocfg setting for IPv6 linklocal addr\n"); 2094d00efe3fSMike Christie break; 2095d00efe3fSMike Christie case ISCSI_NET_PARAM_IPV6_ROUTER_AUTOCFG: 2096d00efe3fSMike Christie /* Autocfg applies to even interface */ 2097d00efe3fSMike Christie if (iface_param->iface_num & 0x1) 2098d00efe3fSMike Christie break; 2099d00efe3fSMike Christie 2100d00efe3fSMike Christie if (iface_param->value[0] == ISCSI_IPV6_ROUTER_AUTOCFG_ENABLE) 2101d00efe3fSMike Christie memset(init_fw_cb->ipv6_dflt_rtr_addr, 0, 2102d00efe3fSMike Christie sizeof(init_fw_cb->ipv6_dflt_rtr_addr)); 2103d00efe3fSMike Christie break; 2104d00efe3fSMike Christie case ISCSI_NET_PARAM_IFACE_ENABLE: 2105ed1086e0SVikas Chaudhary if (iface_param->value[0] == ISCSI_IFACE_ENABLE) { 2106d00efe3fSMike Christie init_fw_cb->ipv6_opts |= 2107d00efe3fSMike Christie cpu_to_le16(IPV6_OPT_IPV6_PROTOCOL_ENABLE); 2108ed1086e0SVikas Chaudhary qla4xxx_create_ipv6_iface(ha); 2109ed1086e0SVikas Chaudhary } else { 2110d00efe3fSMike Christie init_fw_cb->ipv6_opts &= 2111d00efe3fSMike Christie cpu_to_le16(~IPV6_OPT_IPV6_PROTOCOL_ENABLE & 2112d00efe3fSMike Christie 0xFFFF); 2113ed1086e0SVikas Chaudhary qla4xxx_destroy_ipv6_iface(ha); 2114ed1086e0SVikas Chaudhary } 2115d00efe3fSMike Christie break; 21162d63673bSMike Christie case ISCSI_NET_PARAM_VLAN_TAG: 2117d00efe3fSMike Christie if (iface_param->len != sizeof(init_fw_cb->ipv6_vlan_tag)) 2118d00efe3fSMike Christie break; 21196ac73e8cSVikas Chaudhary init_fw_cb->ipv6_vlan_tag = 21206ac73e8cSVikas Chaudhary cpu_to_be16(*(uint16_t *)iface_param->value); 21216ac73e8cSVikas Chaudhary break; 21226ac73e8cSVikas Chaudhary case ISCSI_NET_PARAM_VLAN_ENABLED: 21236ac73e8cSVikas Chaudhary if (iface_param->value[0] == ISCSI_VLAN_ENABLE) 21246ac73e8cSVikas Chaudhary init_fw_cb->ipv6_opts |= 21256ac73e8cSVikas Chaudhary cpu_to_le16(IPV6_OPT_VLAN_TAGGING_ENABLE); 21266ac73e8cSVikas Chaudhary else 21276ac73e8cSVikas Chaudhary init_fw_cb->ipv6_opts &= 21286ac73e8cSVikas Chaudhary cpu_to_le16(~IPV6_OPT_VLAN_TAGGING_ENABLE); 2129d00efe3fSMike Christie break; 2130943c157bSVikas Chaudhary case ISCSI_NET_PARAM_MTU: 2131943c157bSVikas Chaudhary init_fw_cb->eth_mtu_size = 2132943c157bSVikas Chaudhary cpu_to_le16(*(uint16_t *)iface_param->value); 2133943c157bSVikas Chaudhary break; 21342ada7fc5SVikas Chaudhary case ISCSI_NET_PARAM_PORT: 21352ada7fc5SVikas Chaudhary /* Autocfg applies to even interface */ 21362ada7fc5SVikas Chaudhary if (iface_param->iface_num & 0x1) 21372ada7fc5SVikas Chaudhary break; 21382ada7fc5SVikas Chaudhary 21392ada7fc5SVikas Chaudhary init_fw_cb->ipv6_port = 21402ada7fc5SVikas Chaudhary cpu_to_le16(*(uint16_t *)iface_param->value); 21412ada7fc5SVikas Chaudhary break; 2142f8e93412SHarish Zunjarrao case ISCSI_NET_PARAM_DELAYED_ACK_EN: 2143f8e93412SHarish Zunjarrao if (iface_param->iface_num & 0x1) 2144f8e93412SHarish Zunjarrao break; 2145f8e93412SHarish Zunjarrao if (iface_param->value[0] == ISCSI_NET_PARAM_DISABLE) 2146f8e93412SHarish Zunjarrao init_fw_cb->ipv6_tcp_opts |= 2147f8e93412SHarish Zunjarrao cpu_to_le16(IPV6_TCPOPT_DELAYED_ACK_DISABLE); 2148f8e93412SHarish Zunjarrao else 2149f8e93412SHarish Zunjarrao init_fw_cb->ipv6_tcp_opts &= 21508f10872aSVikas Chaudhary cpu_to_le16(~IPV6_TCPOPT_DELAYED_ACK_DISABLE & 21518f10872aSVikas Chaudhary 0xFFFF); 2152f8e93412SHarish Zunjarrao break; 2153f8e93412SHarish Zunjarrao case ISCSI_NET_PARAM_TCP_NAGLE_DISABLE: 2154f8e93412SHarish Zunjarrao if (iface_param->iface_num & 0x1) 2155f8e93412SHarish Zunjarrao break; 2156f8e93412SHarish Zunjarrao if (iface_param->value[0] == ISCSI_NET_PARAM_DISABLE) 2157f8e93412SHarish Zunjarrao init_fw_cb->ipv6_tcp_opts |= 2158f8e93412SHarish Zunjarrao cpu_to_le16(IPV6_TCPOPT_NAGLE_ALGO_DISABLE); 2159f8e93412SHarish Zunjarrao else 2160f8e93412SHarish Zunjarrao init_fw_cb->ipv6_tcp_opts &= 2161f8e93412SHarish Zunjarrao cpu_to_le16(~IPV6_TCPOPT_NAGLE_ALGO_DISABLE); 2162f8e93412SHarish Zunjarrao break; 2163f8e93412SHarish Zunjarrao case ISCSI_NET_PARAM_TCP_WSF_DISABLE: 2164f8e93412SHarish Zunjarrao if (iface_param->iface_num & 0x1) 2165f8e93412SHarish Zunjarrao break; 2166f8e93412SHarish Zunjarrao if (iface_param->value[0] == ISCSI_NET_PARAM_DISABLE) 2167f8e93412SHarish Zunjarrao init_fw_cb->ipv6_tcp_opts |= 2168f8e93412SHarish Zunjarrao cpu_to_le16(IPV6_TCPOPT_WINDOW_SCALE_DISABLE); 2169f8e93412SHarish Zunjarrao else 2170f8e93412SHarish Zunjarrao init_fw_cb->ipv6_tcp_opts &= 2171f8e93412SHarish Zunjarrao cpu_to_le16(~IPV6_TCPOPT_WINDOW_SCALE_DISABLE); 2172f8e93412SHarish Zunjarrao break; 2173f8e93412SHarish Zunjarrao case ISCSI_NET_PARAM_TCP_WSF: 2174f8e93412SHarish Zunjarrao if (iface_param->iface_num & 0x1) 2175f8e93412SHarish Zunjarrao break; 2176f8e93412SHarish Zunjarrao init_fw_cb->ipv6_tcp_wsf = iface_param->value[0]; 2177f8e93412SHarish Zunjarrao break; 2178f8e93412SHarish Zunjarrao case ISCSI_NET_PARAM_TCP_TIMER_SCALE: 2179f8e93412SHarish Zunjarrao if (iface_param->iface_num & 0x1) 2180f8e93412SHarish Zunjarrao break; 2181f8e93412SHarish Zunjarrao init_fw_cb->ipv6_tcp_opts &= 2182f8e93412SHarish Zunjarrao cpu_to_le16(~IPV6_TCPOPT_TIMER_SCALE); 2183f8e93412SHarish Zunjarrao init_fw_cb->ipv6_tcp_opts |= 2184f8e93412SHarish Zunjarrao cpu_to_le16((iface_param->value[0] << 1) & 2185f8e93412SHarish Zunjarrao IPV6_TCPOPT_TIMER_SCALE); 2186f8e93412SHarish Zunjarrao break; 2187f8e93412SHarish Zunjarrao case ISCSI_NET_PARAM_TCP_TIMESTAMP_EN: 2188f8e93412SHarish Zunjarrao if (iface_param->iface_num & 0x1) 2189f8e93412SHarish Zunjarrao break; 2190f8e93412SHarish Zunjarrao if (iface_param->value[0] == ISCSI_NET_PARAM_ENABLE) 2191f8e93412SHarish Zunjarrao init_fw_cb->ipv6_tcp_opts |= 2192f8e93412SHarish Zunjarrao cpu_to_le16(IPV6_TCPOPT_TIMESTAMP_EN); 2193f8e93412SHarish Zunjarrao else 2194f8e93412SHarish Zunjarrao init_fw_cb->ipv6_tcp_opts &= 2195f8e93412SHarish Zunjarrao cpu_to_le16(~IPV6_TCPOPT_TIMESTAMP_EN); 2196f8e93412SHarish Zunjarrao break; 2197f8e93412SHarish Zunjarrao case ISCSI_NET_PARAM_IPV6_GRAT_NEIGHBOR_ADV_EN: 2198f8e93412SHarish Zunjarrao if (iface_param->iface_num & 0x1) 2199f8e93412SHarish Zunjarrao break; 2200f8e93412SHarish Zunjarrao if (iface_param->value[0] == ISCSI_NET_PARAM_ENABLE) 2201f8e93412SHarish Zunjarrao init_fw_cb->ipv6_opts |= 2202f8e93412SHarish Zunjarrao cpu_to_le16(IPV6_OPT_GRAT_NEIGHBOR_ADV_EN); 2203f8e93412SHarish Zunjarrao else 2204f8e93412SHarish Zunjarrao init_fw_cb->ipv6_opts &= 2205f8e93412SHarish Zunjarrao cpu_to_le16(~IPV6_OPT_GRAT_NEIGHBOR_ADV_EN); 2206f8e93412SHarish Zunjarrao break; 2207f8e93412SHarish Zunjarrao case ISCSI_NET_PARAM_REDIRECT_EN: 2208f8e93412SHarish Zunjarrao if (iface_param->iface_num & 0x1) 2209f8e93412SHarish Zunjarrao break; 2210f8e93412SHarish Zunjarrao if (iface_param->value[0] == ISCSI_NET_PARAM_ENABLE) 2211f8e93412SHarish Zunjarrao init_fw_cb->ipv6_opts |= 2212f8e93412SHarish Zunjarrao cpu_to_le16(IPV6_OPT_REDIRECT_EN); 2213f8e93412SHarish Zunjarrao else 2214f8e93412SHarish Zunjarrao init_fw_cb->ipv6_opts &= 2215f8e93412SHarish Zunjarrao cpu_to_le16(~IPV6_OPT_REDIRECT_EN); 2216f8e93412SHarish Zunjarrao break; 2217f8e93412SHarish Zunjarrao case ISCSI_NET_PARAM_IPV6_MLD_EN: 2218f8e93412SHarish Zunjarrao if (iface_param->iface_num & 0x1) 2219f8e93412SHarish Zunjarrao break; 2220f8e93412SHarish Zunjarrao if (iface_param->value[0] == ISCSI_NET_PARAM_ENABLE) 2221f8e93412SHarish Zunjarrao init_fw_cb->ipv6_addtl_opts |= 2222f8e93412SHarish Zunjarrao cpu_to_le16(IPV6_ADDOPT_MLD_EN); 2223f8e93412SHarish Zunjarrao else 2224f8e93412SHarish Zunjarrao init_fw_cb->ipv6_addtl_opts &= 2225f8e93412SHarish Zunjarrao cpu_to_le16(~IPV6_ADDOPT_MLD_EN); 2226f8e93412SHarish Zunjarrao break; 2227f8e93412SHarish Zunjarrao case ISCSI_NET_PARAM_IPV6_FLOW_LABEL: 2228f8e93412SHarish Zunjarrao if (iface_param->iface_num & 0x1) 2229f8e93412SHarish Zunjarrao break; 2230f8e93412SHarish Zunjarrao init_fw_cb->ipv6_flow_lbl = 2231f8e93412SHarish Zunjarrao cpu_to_le16(*(uint16_t *)iface_param->value); 2232f8e93412SHarish Zunjarrao break; 2233f8e93412SHarish Zunjarrao case ISCSI_NET_PARAM_IPV6_TRAFFIC_CLASS: 2234f8e93412SHarish Zunjarrao if (iface_param->iface_num & 0x1) 2235f8e93412SHarish Zunjarrao break; 2236f8e93412SHarish Zunjarrao init_fw_cb->ipv6_traffic_class = iface_param->value[0]; 2237f8e93412SHarish Zunjarrao break; 2238f8e93412SHarish Zunjarrao case ISCSI_NET_PARAM_IPV6_HOP_LIMIT: 2239f8e93412SHarish Zunjarrao if (iface_param->iface_num & 0x1) 2240f8e93412SHarish Zunjarrao break; 2241f8e93412SHarish Zunjarrao init_fw_cb->ipv6_hop_limit = iface_param->value[0]; 2242f8e93412SHarish Zunjarrao break; 2243f8e93412SHarish Zunjarrao case ISCSI_NET_PARAM_IPV6_ND_REACHABLE_TMO: 2244f8e93412SHarish Zunjarrao if (iface_param->iface_num & 0x1) 2245f8e93412SHarish Zunjarrao break; 2246f8e93412SHarish Zunjarrao init_fw_cb->ipv6_nd_reach_time = 2247f8e93412SHarish Zunjarrao cpu_to_le32(*(uint32_t *)iface_param->value); 2248f8e93412SHarish Zunjarrao break; 2249f8e93412SHarish Zunjarrao case ISCSI_NET_PARAM_IPV6_ND_REXMIT_TIME: 2250f8e93412SHarish Zunjarrao if (iface_param->iface_num & 0x1) 2251f8e93412SHarish Zunjarrao break; 2252f8e93412SHarish Zunjarrao init_fw_cb->ipv6_nd_rexmit_timer = 2253f8e93412SHarish Zunjarrao cpu_to_le32(*(uint32_t *)iface_param->value); 2254f8e93412SHarish Zunjarrao break; 2255f8e93412SHarish Zunjarrao case ISCSI_NET_PARAM_IPV6_ND_STALE_TMO: 2256f8e93412SHarish Zunjarrao if (iface_param->iface_num & 0x1) 2257f8e93412SHarish Zunjarrao break; 2258f8e93412SHarish Zunjarrao init_fw_cb->ipv6_nd_stale_timeout = 2259f8e93412SHarish Zunjarrao cpu_to_le32(*(uint32_t *)iface_param->value); 2260f8e93412SHarish Zunjarrao break; 2261f8e93412SHarish Zunjarrao case ISCSI_NET_PARAM_IPV6_DUP_ADDR_DETECT_CNT: 2262f8e93412SHarish Zunjarrao if (iface_param->iface_num & 0x1) 2263f8e93412SHarish Zunjarrao break; 2264f8e93412SHarish Zunjarrao init_fw_cb->ipv6_dup_addr_detect_count = iface_param->value[0]; 2265f8e93412SHarish Zunjarrao break; 2266f8e93412SHarish Zunjarrao case ISCSI_NET_PARAM_IPV6_RTR_ADV_LINK_MTU: 2267f8e93412SHarish Zunjarrao if (iface_param->iface_num & 0x1) 2268f8e93412SHarish Zunjarrao break; 2269f8e93412SHarish Zunjarrao init_fw_cb->ipv6_gw_advrt_mtu = 2270f8e93412SHarish Zunjarrao cpu_to_le32(*(uint32_t *)iface_param->value); 2271f8e93412SHarish Zunjarrao break; 2272d00efe3fSMike Christie default: 2273d00efe3fSMike Christie ql4_printk(KERN_ERR, ha, "Unknown IPv6 param = %d\n", 2274d00efe3fSMike Christie iface_param->param); 2275d00efe3fSMike Christie break; 2276d00efe3fSMike Christie } 2277d00efe3fSMike Christie } 2278d00efe3fSMike Christie 2279d00efe3fSMike Christie static void qla4xxx_set_ipv4(struct scsi_qla_host *ha, 2280d00efe3fSMike Christie struct iscsi_iface_param_info *iface_param, 2281d00efe3fSMike Christie struct addr_ctrl_blk *init_fw_cb) 2282d00efe3fSMike Christie { 2283d00efe3fSMike Christie switch (iface_param->param) { 2284d00efe3fSMike Christie case ISCSI_NET_PARAM_IPV4_ADDR: 2285d00efe3fSMike Christie memcpy(init_fw_cb->ipv4_addr, iface_param->value, 2286d00efe3fSMike Christie sizeof(init_fw_cb->ipv4_addr)); 2287d00efe3fSMike Christie break; 2288d00efe3fSMike Christie case ISCSI_NET_PARAM_IPV4_SUBNET: 2289d00efe3fSMike Christie memcpy(init_fw_cb->ipv4_subnet, iface_param->value, 2290d00efe3fSMike Christie sizeof(init_fw_cb->ipv4_subnet)); 2291d00efe3fSMike Christie break; 2292d00efe3fSMike Christie case ISCSI_NET_PARAM_IPV4_GW: 2293d00efe3fSMike Christie memcpy(init_fw_cb->ipv4_gw_addr, iface_param->value, 2294d00efe3fSMike Christie sizeof(init_fw_cb->ipv4_gw_addr)); 2295d00efe3fSMike Christie break; 2296d00efe3fSMike Christie case ISCSI_NET_PARAM_IPV4_BOOTPROTO: 2297d00efe3fSMike Christie if (iface_param->value[0] == ISCSI_BOOTPROTO_DHCP) 2298d00efe3fSMike Christie init_fw_cb->ipv4_tcp_opts |= 2299d00efe3fSMike Christie cpu_to_le16(TCPOPT_DHCP_ENABLE); 2300d00efe3fSMike Christie else if (iface_param->value[0] == ISCSI_BOOTPROTO_STATIC) 2301d00efe3fSMike Christie init_fw_cb->ipv4_tcp_opts &= 2302d00efe3fSMike Christie cpu_to_le16(~TCPOPT_DHCP_ENABLE); 2303d00efe3fSMike Christie else 2304d00efe3fSMike Christie ql4_printk(KERN_ERR, ha, "Invalid IPv4 bootproto\n"); 2305d00efe3fSMike Christie break; 2306d00efe3fSMike Christie case ISCSI_NET_PARAM_IFACE_ENABLE: 2307ed1086e0SVikas Chaudhary if (iface_param->value[0] == ISCSI_IFACE_ENABLE) { 2308d00efe3fSMike Christie init_fw_cb->ipv4_ip_opts |= 23092bab08fcSVikas Chaudhary cpu_to_le16(IPOPT_IPV4_PROTOCOL_ENABLE); 2310ed1086e0SVikas Chaudhary qla4xxx_create_ipv4_iface(ha); 2311ed1086e0SVikas Chaudhary } else { 2312d00efe3fSMike Christie init_fw_cb->ipv4_ip_opts &= 23132bab08fcSVikas Chaudhary cpu_to_le16(~IPOPT_IPV4_PROTOCOL_ENABLE & 2314d00efe3fSMike Christie 0xFFFF); 2315ed1086e0SVikas Chaudhary qla4xxx_destroy_ipv4_iface(ha); 2316ed1086e0SVikas Chaudhary } 2317d00efe3fSMike Christie break; 23182d63673bSMike Christie case ISCSI_NET_PARAM_VLAN_TAG: 2319d00efe3fSMike Christie if (iface_param->len != sizeof(init_fw_cb->ipv4_vlan_tag)) 2320d00efe3fSMike Christie break; 23216ac73e8cSVikas Chaudhary init_fw_cb->ipv4_vlan_tag = 23226ac73e8cSVikas Chaudhary cpu_to_be16(*(uint16_t *)iface_param->value); 23236ac73e8cSVikas Chaudhary break; 23246ac73e8cSVikas Chaudhary case ISCSI_NET_PARAM_VLAN_ENABLED: 23256ac73e8cSVikas Chaudhary if (iface_param->value[0] == ISCSI_VLAN_ENABLE) 23266ac73e8cSVikas Chaudhary init_fw_cb->ipv4_ip_opts |= 23276ac73e8cSVikas Chaudhary cpu_to_le16(IPOPT_VLAN_TAGGING_ENABLE); 23286ac73e8cSVikas Chaudhary else 23296ac73e8cSVikas Chaudhary init_fw_cb->ipv4_ip_opts &= 23306ac73e8cSVikas Chaudhary cpu_to_le16(~IPOPT_VLAN_TAGGING_ENABLE); 2331d00efe3fSMike Christie break; 2332943c157bSVikas Chaudhary case ISCSI_NET_PARAM_MTU: 2333943c157bSVikas Chaudhary init_fw_cb->eth_mtu_size = 2334943c157bSVikas Chaudhary cpu_to_le16(*(uint16_t *)iface_param->value); 2335943c157bSVikas Chaudhary break; 23362ada7fc5SVikas Chaudhary case ISCSI_NET_PARAM_PORT: 23372ada7fc5SVikas Chaudhary init_fw_cb->ipv4_port = 23382ada7fc5SVikas Chaudhary cpu_to_le16(*(uint16_t *)iface_param->value); 23392ada7fc5SVikas Chaudhary break; 2340f8e93412SHarish Zunjarrao case ISCSI_NET_PARAM_DELAYED_ACK_EN: 2341f8e93412SHarish Zunjarrao if (iface_param->iface_num & 0x1) 2342f8e93412SHarish Zunjarrao break; 2343f8e93412SHarish Zunjarrao if (iface_param->value[0] == ISCSI_NET_PARAM_DISABLE) 2344f8e93412SHarish Zunjarrao init_fw_cb->ipv4_tcp_opts |= 2345f8e93412SHarish Zunjarrao cpu_to_le16(TCPOPT_DELAYED_ACK_DISABLE); 2346f8e93412SHarish Zunjarrao else 2347f8e93412SHarish Zunjarrao init_fw_cb->ipv4_tcp_opts &= 23488f10872aSVikas Chaudhary cpu_to_le16(~TCPOPT_DELAYED_ACK_DISABLE & 23498f10872aSVikas Chaudhary 0xFFFF); 2350f8e93412SHarish Zunjarrao break; 2351f8e93412SHarish Zunjarrao case ISCSI_NET_PARAM_TCP_NAGLE_DISABLE: 2352f8e93412SHarish Zunjarrao if (iface_param->iface_num & 0x1) 2353f8e93412SHarish Zunjarrao break; 2354f8e93412SHarish Zunjarrao if (iface_param->value[0] == ISCSI_NET_PARAM_DISABLE) 2355f8e93412SHarish Zunjarrao init_fw_cb->ipv4_tcp_opts |= 2356f8e93412SHarish Zunjarrao cpu_to_le16(TCPOPT_NAGLE_ALGO_DISABLE); 2357f8e93412SHarish Zunjarrao else 2358f8e93412SHarish Zunjarrao init_fw_cb->ipv4_tcp_opts &= 2359f8e93412SHarish Zunjarrao cpu_to_le16(~TCPOPT_NAGLE_ALGO_DISABLE); 2360f8e93412SHarish Zunjarrao break; 2361f8e93412SHarish Zunjarrao case ISCSI_NET_PARAM_TCP_WSF_DISABLE: 2362f8e93412SHarish Zunjarrao if (iface_param->iface_num & 0x1) 2363f8e93412SHarish Zunjarrao break; 2364f8e93412SHarish Zunjarrao if (iface_param->value[0] == ISCSI_NET_PARAM_DISABLE) 2365f8e93412SHarish Zunjarrao init_fw_cb->ipv4_tcp_opts |= 2366f8e93412SHarish Zunjarrao cpu_to_le16(TCPOPT_WINDOW_SCALE_DISABLE); 2367f8e93412SHarish Zunjarrao else 2368f8e93412SHarish Zunjarrao init_fw_cb->ipv4_tcp_opts &= 2369f8e93412SHarish Zunjarrao cpu_to_le16(~TCPOPT_WINDOW_SCALE_DISABLE); 2370f8e93412SHarish Zunjarrao break; 2371f8e93412SHarish Zunjarrao case ISCSI_NET_PARAM_TCP_WSF: 2372f8e93412SHarish Zunjarrao if (iface_param->iface_num & 0x1) 2373f8e93412SHarish Zunjarrao break; 2374f8e93412SHarish Zunjarrao init_fw_cb->ipv4_tcp_wsf = iface_param->value[0]; 2375f8e93412SHarish Zunjarrao break; 2376f8e93412SHarish Zunjarrao case ISCSI_NET_PARAM_TCP_TIMER_SCALE: 2377f8e93412SHarish Zunjarrao if (iface_param->iface_num & 0x1) 2378f8e93412SHarish Zunjarrao break; 2379f8e93412SHarish Zunjarrao init_fw_cb->ipv4_tcp_opts &= cpu_to_le16(~TCPOPT_TIMER_SCALE); 2380f8e93412SHarish Zunjarrao init_fw_cb->ipv4_tcp_opts |= 2381f8e93412SHarish Zunjarrao cpu_to_le16((iface_param->value[0] << 1) & 2382f8e93412SHarish Zunjarrao TCPOPT_TIMER_SCALE); 2383f8e93412SHarish Zunjarrao break; 2384f8e93412SHarish Zunjarrao case ISCSI_NET_PARAM_TCP_TIMESTAMP_EN: 2385f8e93412SHarish Zunjarrao if (iface_param->iface_num & 0x1) 2386f8e93412SHarish Zunjarrao break; 2387f8e93412SHarish Zunjarrao if (iface_param->value[0] == ISCSI_NET_PARAM_ENABLE) 2388f8e93412SHarish Zunjarrao init_fw_cb->ipv4_tcp_opts |= 2389f8e93412SHarish Zunjarrao cpu_to_le16(TCPOPT_TIMESTAMP_ENABLE); 2390f8e93412SHarish Zunjarrao else 2391f8e93412SHarish Zunjarrao init_fw_cb->ipv4_tcp_opts &= 2392f8e93412SHarish Zunjarrao cpu_to_le16(~TCPOPT_TIMESTAMP_ENABLE); 2393f8e93412SHarish Zunjarrao break; 2394f8e93412SHarish Zunjarrao case ISCSI_NET_PARAM_IPV4_DHCP_DNS_ADDR_EN: 2395f8e93412SHarish Zunjarrao if (iface_param->iface_num & 0x1) 2396f8e93412SHarish Zunjarrao break; 2397f8e93412SHarish Zunjarrao if (iface_param->value[0] == ISCSI_NET_PARAM_ENABLE) 2398f8e93412SHarish Zunjarrao init_fw_cb->ipv4_tcp_opts |= 2399f8e93412SHarish Zunjarrao cpu_to_le16(TCPOPT_DNS_SERVER_IP_EN); 2400f8e93412SHarish Zunjarrao else 2401f8e93412SHarish Zunjarrao init_fw_cb->ipv4_tcp_opts &= 2402f8e93412SHarish Zunjarrao cpu_to_le16(~TCPOPT_DNS_SERVER_IP_EN); 2403f8e93412SHarish Zunjarrao break; 2404f8e93412SHarish Zunjarrao case ISCSI_NET_PARAM_IPV4_DHCP_SLP_DA_EN: 2405f8e93412SHarish Zunjarrao if (iface_param->iface_num & 0x1) 2406f8e93412SHarish Zunjarrao break; 2407f8e93412SHarish Zunjarrao if (iface_param->value[0] == ISCSI_NET_PARAM_ENABLE) 2408f8e93412SHarish Zunjarrao init_fw_cb->ipv4_tcp_opts |= 2409f8e93412SHarish Zunjarrao cpu_to_le16(TCPOPT_SLP_DA_INFO_EN); 2410f8e93412SHarish Zunjarrao else 2411f8e93412SHarish Zunjarrao init_fw_cb->ipv4_tcp_opts &= 2412f8e93412SHarish Zunjarrao cpu_to_le16(~TCPOPT_SLP_DA_INFO_EN); 2413f8e93412SHarish Zunjarrao break; 2414f8e93412SHarish Zunjarrao case ISCSI_NET_PARAM_IPV4_TOS_EN: 2415f8e93412SHarish Zunjarrao if (iface_param->iface_num & 0x1) 2416f8e93412SHarish Zunjarrao break; 2417f8e93412SHarish Zunjarrao if (iface_param->value[0] == ISCSI_NET_PARAM_ENABLE) 2418f8e93412SHarish Zunjarrao init_fw_cb->ipv4_ip_opts |= 2419f8e93412SHarish Zunjarrao cpu_to_le16(IPOPT_IPV4_TOS_EN); 2420f8e93412SHarish Zunjarrao else 2421f8e93412SHarish Zunjarrao init_fw_cb->ipv4_ip_opts &= 2422f8e93412SHarish Zunjarrao cpu_to_le16(~IPOPT_IPV4_TOS_EN); 2423f8e93412SHarish Zunjarrao break; 2424f8e93412SHarish Zunjarrao case ISCSI_NET_PARAM_IPV4_TOS: 2425f8e93412SHarish Zunjarrao if (iface_param->iface_num & 0x1) 2426f8e93412SHarish Zunjarrao break; 2427f8e93412SHarish Zunjarrao init_fw_cb->ipv4_tos = iface_param->value[0]; 2428f8e93412SHarish Zunjarrao break; 2429f8e93412SHarish Zunjarrao case ISCSI_NET_PARAM_IPV4_GRAT_ARP_EN: 2430f8e93412SHarish Zunjarrao if (iface_param->iface_num & 0x1) 2431f8e93412SHarish Zunjarrao break; 2432f8e93412SHarish Zunjarrao if (iface_param->value[0] == ISCSI_NET_PARAM_ENABLE) 2433f8e93412SHarish Zunjarrao init_fw_cb->ipv4_ip_opts |= 2434f8e93412SHarish Zunjarrao cpu_to_le16(IPOPT_GRAT_ARP_EN); 2435f8e93412SHarish Zunjarrao else 2436f8e93412SHarish Zunjarrao init_fw_cb->ipv4_ip_opts &= 2437f8e93412SHarish Zunjarrao cpu_to_le16(~IPOPT_GRAT_ARP_EN); 2438f8e93412SHarish Zunjarrao break; 2439f8e93412SHarish Zunjarrao case ISCSI_NET_PARAM_IPV4_DHCP_ALT_CLIENT_ID_EN: 2440f8e93412SHarish Zunjarrao if (iface_param->iface_num & 0x1) 2441f8e93412SHarish Zunjarrao break; 2442f8e93412SHarish Zunjarrao if (iface_param->value[0] == ISCSI_NET_PARAM_ENABLE) 2443f8e93412SHarish Zunjarrao init_fw_cb->ipv4_ip_opts |= 2444f8e93412SHarish Zunjarrao cpu_to_le16(IPOPT_ALT_CID_EN); 2445f8e93412SHarish Zunjarrao else 2446f8e93412SHarish Zunjarrao init_fw_cb->ipv4_ip_opts &= 2447f8e93412SHarish Zunjarrao cpu_to_le16(~IPOPT_ALT_CID_EN); 2448f8e93412SHarish Zunjarrao break; 2449f8e93412SHarish Zunjarrao case ISCSI_NET_PARAM_IPV4_DHCP_ALT_CLIENT_ID: 2450f8e93412SHarish Zunjarrao if (iface_param->iface_num & 0x1) 2451f8e93412SHarish Zunjarrao break; 2452f8e93412SHarish Zunjarrao memcpy(init_fw_cb->ipv4_dhcp_alt_cid, iface_param->value, 2453f8e93412SHarish Zunjarrao (sizeof(init_fw_cb->ipv4_dhcp_alt_cid) - 1)); 2454f8e93412SHarish Zunjarrao init_fw_cb->ipv4_dhcp_alt_cid_len = 2455f8e93412SHarish Zunjarrao strlen(init_fw_cb->ipv4_dhcp_alt_cid); 2456f8e93412SHarish Zunjarrao break; 2457f8e93412SHarish Zunjarrao case ISCSI_NET_PARAM_IPV4_DHCP_REQ_VENDOR_ID_EN: 2458f8e93412SHarish Zunjarrao if (iface_param->iface_num & 0x1) 2459f8e93412SHarish Zunjarrao break; 2460f8e93412SHarish Zunjarrao if (iface_param->value[0] == ISCSI_NET_PARAM_ENABLE) 2461f8e93412SHarish Zunjarrao init_fw_cb->ipv4_ip_opts |= 2462f8e93412SHarish Zunjarrao cpu_to_le16(IPOPT_REQ_VID_EN); 2463f8e93412SHarish Zunjarrao else 2464f8e93412SHarish Zunjarrao init_fw_cb->ipv4_ip_opts &= 2465f8e93412SHarish Zunjarrao cpu_to_le16(~IPOPT_REQ_VID_EN); 2466f8e93412SHarish Zunjarrao break; 2467f8e93412SHarish Zunjarrao case ISCSI_NET_PARAM_IPV4_DHCP_USE_VENDOR_ID_EN: 2468f8e93412SHarish Zunjarrao if (iface_param->iface_num & 0x1) 2469f8e93412SHarish Zunjarrao break; 2470f8e93412SHarish Zunjarrao if (iface_param->value[0] == ISCSI_NET_PARAM_ENABLE) 2471f8e93412SHarish Zunjarrao init_fw_cb->ipv4_ip_opts |= 2472f8e93412SHarish Zunjarrao cpu_to_le16(IPOPT_USE_VID_EN); 2473f8e93412SHarish Zunjarrao else 2474f8e93412SHarish Zunjarrao init_fw_cb->ipv4_ip_opts &= 2475f8e93412SHarish Zunjarrao cpu_to_le16(~IPOPT_USE_VID_EN); 2476f8e93412SHarish Zunjarrao break; 2477f8e93412SHarish Zunjarrao case ISCSI_NET_PARAM_IPV4_DHCP_VENDOR_ID: 2478f8e93412SHarish Zunjarrao if (iface_param->iface_num & 0x1) 2479f8e93412SHarish Zunjarrao break; 2480f8e93412SHarish Zunjarrao memcpy(init_fw_cb->ipv4_dhcp_vid, iface_param->value, 2481f8e93412SHarish Zunjarrao (sizeof(init_fw_cb->ipv4_dhcp_vid) - 1)); 2482f8e93412SHarish Zunjarrao init_fw_cb->ipv4_dhcp_vid_len = 2483f8e93412SHarish Zunjarrao strlen(init_fw_cb->ipv4_dhcp_vid); 2484f8e93412SHarish Zunjarrao break; 2485f8e93412SHarish Zunjarrao case ISCSI_NET_PARAM_IPV4_DHCP_LEARN_IQN_EN: 2486f8e93412SHarish Zunjarrao if (iface_param->iface_num & 0x1) 2487f8e93412SHarish Zunjarrao break; 2488f8e93412SHarish Zunjarrao if (iface_param->value[0] == ISCSI_NET_PARAM_ENABLE) 2489f8e93412SHarish Zunjarrao init_fw_cb->ipv4_ip_opts |= 2490f8e93412SHarish Zunjarrao cpu_to_le16(IPOPT_LEARN_IQN_EN); 2491f8e93412SHarish Zunjarrao else 2492f8e93412SHarish Zunjarrao init_fw_cb->ipv4_ip_opts &= 2493f8e93412SHarish Zunjarrao cpu_to_le16(~IPOPT_LEARN_IQN_EN); 2494f8e93412SHarish Zunjarrao break; 2495f8e93412SHarish Zunjarrao case ISCSI_NET_PARAM_IPV4_FRAGMENT_DISABLE: 2496f8e93412SHarish Zunjarrao if (iface_param->iface_num & 0x1) 2497f8e93412SHarish Zunjarrao break; 2498f8e93412SHarish Zunjarrao if (iface_param->value[0] == ISCSI_NET_PARAM_DISABLE) 2499f8e93412SHarish Zunjarrao init_fw_cb->ipv4_ip_opts |= 2500f8e93412SHarish Zunjarrao cpu_to_le16(IPOPT_FRAGMENTATION_DISABLE); 2501f8e93412SHarish Zunjarrao else 2502f8e93412SHarish Zunjarrao init_fw_cb->ipv4_ip_opts &= 2503f8e93412SHarish Zunjarrao cpu_to_le16(~IPOPT_FRAGMENTATION_DISABLE); 2504f8e93412SHarish Zunjarrao break; 2505f8e93412SHarish Zunjarrao case ISCSI_NET_PARAM_IPV4_IN_FORWARD_EN: 2506f8e93412SHarish Zunjarrao if (iface_param->iface_num & 0x1) 2507f8e93412SHarish Zunjarrao break; 2508f8e93412SHarish Zunjarrao if (iface_param->value[0] == ISCSI_NET_PARAM_ENABLE) 2509f8e93412SHarish Zunjarrao init_fw_cb->ipv4_ip_opts |= 2510f8e93412SHarish Zunjarrao cpu_to_le16(IPOPT_IN_FORWARD_EN); 2511f8e93412SHarish Zunjarrao else 2512f8e93412SHarish Zunjarrao init_fw_cb->ipv4_ip_opts &= 2513f8e93412SHarish Zunjarrao cpu_to_le16(~IPOPT_IN_FORWARD_EN); 2514f8e93412SHarish Zunjarrao break; 2515f8e93412SHarish Zunjarrao case ISCSI_NET_PARAM_REDIRECT_EN: 2516f8e93412SHarish Zunjarrao if (iface_param->iface_num & 0x1) 2517f8e93412SHarish Zunjarrao break; 2518f8e93412SHarish Zunjarrao if (iface_param->value[0] == ISCSI_NET_PARAM_ENABLE) 2519f8e93412SHarish Zunjarrao init_fw_cb->ipv4_ip_opts |= 2520f8e93412SHarish Zunjarrao cpu_to_le16(IPOPT_ARP_REDIRECT_EN); 2521f8e93412SHarish Zunjarrao else 2522f8e93412SHarish Zunjarrao init_fw_cb->ipv4_ip_opts &= 2523f8e93412SHarish Zunjarrao cpu_to_le16(~IPOPT_ARP_REDIRECT_EN); 2524f8e93412SHarish Zunjarrao break; 2525f8e93412SHarish Zunjarrao case ISCSI_NET_PARAM_IPV4_TTL: 2526f8e93412SHarish Zunjarrao if (iface_param->iface_num & 0x1) 2527f8e93412SHarish Zunjarrao break; 2528f8e93412SHarish Zunjarrao init_fw_cb->ipv4_ttl = iface_param->value[0]; 2529f8e93412SHarish Zunjarrao break; 2530d00efe3fSMike Christie default: 2531d00efe3fSMike Christie ql4_printk(KERN_ERR, ha, "Unknown IPv4 param = %d\n", 2532d00efe3fSMike Christie iface_param->param); 2533d00efe3fSMike Christie break; 2534d00efe3fSMike Christie } 2535d00efe3fSMike Christie } 2536d00efe3fSMike Christie 2537f8e93412SHarish Zunjarrao static void qla4xxx_set_iscsi_param(struct scsi_qla_host *ha, 2538f8e93412SHarish Zunjarrao struct iscsi_iface_param_info *iface_param, 2539f8e93412SHarish Zunjarrao struct addr_ctrl_blk *init_fw_cb) 2540f8e93412SHarish Zunjarrao { 2541f8e93412SHarish Zunjarrao switch (iface_param->param) { 2542f8e93412SHarish Zunjarrao case ISCSI_IFACE_PARAM_DEF_TASKMGMT_TMO: 2543f8e93412SHarish Zunjarrao if (iface_param->iface_num & 0x1) 2544f8e93412SHarish Zunjarrao break; 2545f8e93412SHarish Zunjarrao init_fw_cb->def_timeout = 2546f8e93412SHarish Zunjarrao cpu_to_le16(*(uint16_t *)iface_param->value); 2547f8e93412SHarish Zunjarrao break; 2548f8e93412SHarish Zunjarrao case ISCSI_IFACE_PARAM_HDRDGST_EN: 2549f8e93412SHarish Zunjarrao if (iface_param->iface_num & 0x1) 2550f8e93412SHarish Zunjarrao break; 2551f8e93412SHarish Zunjarrao if (iface_param->value[0] == ISCSI_NET_PARAM_ENABLE) 2552f8e93412SHarish Zunjarrao init_fw_cb->iscsi_opts |= 2553f8e93412SHarish Zunjarrao cpu_to_le16(ISCSIOPTS_HEADER_DIGEST_EN); 2554f8e93412SHarish Zunjarrao else 2555f8e93412SHarish Zunjarrao init_fw_cb->iscsi_opts &= 2556f8e93412SHarish Zunjarrao cpu_to_le16(~ISCSIOPTS_HEADER_DIGEST_EN); 2557f8e93412SHarish Zunjarrao break; 2558f8e93412SHarish Zunjarrao case ISCSI_IFACE_PARAM_DATADGST_EN: 2559f8e93412SHarish Zunjarrao if (iface_param->iface_num & 0x1) 2560f8e93412SHarish Zunjarrao break; 2561f8e93412SHarish Zunjarrao if (iface_param->value[0] == ISCSI_NET_PARAM_ENABLE) 2562f8e93412SHarish Zunjarrao init_fw_cb->iscsi_opts |= 2563f8e93412SHarish Zunjarrao cpu_to_le16(ISCSIOPTS_DATA_DIGEST_EN); 2564f8e93412SHarish Zunjarrao else 2565f8e93412SHarish Zunjarrao init_fw_cb->iscsi_opts &= 2566f8e93412SHarish Zunjarrao cpu_to_le16(~ISCSIOPTS_DATA_DIGEST_EN); 2567f8e93412SHarish Zunjarrao break; 2568f8e93412SHarish Zunjarrao case ISCSI_IFACE_PARAM_IMM_DATA_EN: 2569f8e93412SHarish Zunjarrao if (iface_param->iface_num & 0x1) 2570f8e93412SHarish Zunjarrao break; 2571f8e93412SHarish Zunjarrao if (iface_param->value[0] == ISCSI_NET_PARAM_ENABLE) 2572f8e93412SHarish Zunjarrao init_fw_cb->iscsi_opts |= 2573f8e93412SHarish Zunjarrao cpu_to_le16(ISCSIOPTS_IMMEDIATE_DATA_EN); 2574f8e93412SHarish Zunjarrao else 2575f8e93412SHarish Zunjarrao init_fw_cb->iscsi_opts &= 2576f8e93412SHarish Zunjarrao cpu_to_le16(~ISCSIOPTS_IMMEDIATE_DATA_EN); 2577f8e93412SHarish Zunjarrao break; 2578f8e93412SHarish Zunjarrao case ISCSI_IFACE_PARAM_INITIAL_R2T_EN: 2579f8e93412SHarish Zunjarrao if (iface_param->iface_num & 0x1) 2580f8e93412SHarish Zunjarrao break; 2581f8e93412SHarish Zunjarrao if (iface_param->value[0] == ISCSI_NET_PARAM_ENABLE) 2582f8e93412SHarish Zunjarrao init_fw_cb->iscsi_opts |= 2583f8e93412SHarish Zunjarrao cpu_to_le16(ISCSIOPTS_INITIAL_R2T_EN); 2584f8e93412SHarish Zunjarrao else 2585f8e93412SHarish Zunjarrao init_fw_cb->iscsi_opts &= 2586f8e93412SHarish Zunjarrao cpu_to_le16(~ISCSIOPTS_INITIAL_R2T_EN); 2587f8e93412SHarish Zunjarrao break; 2588f8e93412SHarish Zunjarrao case ISCSI_IFACE_PARAM_DATASEQ_INORDER_EN: 2589f8e93412SHarish Zunjarrao if (iface_param->iface_num & 0x1) 2590f8e93412SHarish Zunjarrao break; 2591f8e93412SHarish Zunjarrao if (iface_param->value[0] == ISCSI_NET_PARAM_ENABLE) 2592f8e93412SHarish Zunjarrao init_fw_cb->iscsi_opts |= 2593f8e93412SHarish Zunjarrao cpu_to_le16(ISCSIOPTS_DATA_SEQ_INORDER_EN); 2594f8e93412SHarish Zunjarrao else 2595f8e93412SHarish Zunjarrao init_fw_cb->iscsi_opts &= 2596f8e93412SHarish Zunjarrao cpu_to_le16(~ISCSIOPTS_DATA_SEQ_INORDER_EN); 2597f8e93412SHarish Zunjarrao break; 2598f8e93412SHarish Zunjarrao case ISCSI_IFACE_PARAM_PDU_INORDER_EN: 2599f8e93412SHarish Zunjarrao if (iface_param->iface_num & 0x1) 2600f8e93412SHarish Zunjarrao break; 2601f8e93412SHarish Zunjarrao if (iface_param->value[0] == ISCSI_NET_PARAM_ENABLE) 2602f8e93412SHarish Zunjarrao init_fw_cb->iscsi_opts |= 2603f8e93412SHarish Zunjarrao cpu_to_le16(ISCSIOPTS_DATA_PDU_INORDER_EN); 2604f8e93412SHarish Zunjarrao else 2605f8e93412SHarish Zunjarrao init_fw_cb->iscsi_opts &= 2606f8e93412SHarish Zunjarrao cpu_to_le16(~ISCSIOPTS_DATA_PDU_INORDER_EN); 2607f8e93412SHarish Zunjarrao break; 2608f8e93412SHarish Zunjarrao case ISCSI_IFACE_PARAM_ERL: 2609f8e93412SHarish Zunjarrao if (iface_param->iface_num & 0x1) 2610f8e93412SHarish Zunjarrao break; 2611f8e93412SHarish Zunjarrao init_fw_cb->iscsi_opts &= cpu_to_le16(~ISCSIOPTS_ERL); 2612f8e93412SHarish Zunjarrao init_fw_cb->iscsi_opts |= cpu_to_le16(iface_param->value[0] & 2613f8e93412SHarish Zunjarrao ISCSIOPTS_ERL); 2614f8e93412SHarish Zunjarrao break; 2615f8e93412SHarish Zunjarrao case ISCSI_IFACE_PARAM_MAX_RECV_DLENGTH: 2616f8e93412SHarish Zunjarrao if (iface_param->iface_num & 0x1) 2617f8e93412SHarish Zunjarrao break; 2618f8e93412SHarish Zunjarrao init_fw_cb->iscsi_max_pdu_size = 2619f8e93412SHarish Zunjarrao cpu_to_le32(*(uint32_t *)iface_param->value) / 2620f8e93412SHarish Zunjarrao BYTE_UNITS; 2621f8e93412SHarish Zunjarrao break; 2622f8e93412SHarish Zunjarrao case ISCSI_IFACE_PARAM_FIRST_BURST: 2623f8e93412SHarish Zunjarrao if (iface_param->iface_num & 0x1) 2624f8e93412SHarish Zunjarrao break; 2625f8e93412SHarish Zunjarrao init_fw_cb->iscsi_fburst_len = 2626f8e93412SHarish Zunjarrao cpu_to_le32(*(uint32_t *)iface_param->value) / 2627f8e93412SHarish Zunjarrao BYTE_UNITS; 2628f8e93412SHarish Zunjarrao break; 2629f8e93412SHarish Zunjarrao case ISCSI_IFACE_PARAM_MAX_R2T: 2630f8e93412SHarish Zunjarrao if (iface_param->iface_num & 0x1) 2631f8e93412SHarish Zunjarrao break; 2632f8e93412SHarish Zunjarrao init_fw_cb->iscsi_max_outstnd_r2t = 2633f8e93412SHarish Zunjarrao cpu_to_le16(*(uint16_t *)iface_param->value); 2634f8e93412SHarish Zunjarrao break; 2635f8e93412SHarish Zunjarrao case ISCSI_IFACE_PARAM_MAX_BURST: 2636f8e93412SHarish Zunjarrao if (iface_param->iface_num & 0x1) 2637f8e93412SHarish Zunjarrao break; 2638f8e93412SHarish Zunjarrao init_fw_cb->iscsi_max_burst_len = 2639f8e93412SHarish Zunjarrao cpu_to_le32(*(uint32_t *)iface_param->value) / 2640f8e93412SHarish Zunjarrao BYTE_UNITS; 2641f8e93412SHarish Zunjarrao break; 2642f8e93412SHarish Zunjarrao case ISCSI_IFACE_PARAM_CHAP_AUTH_EN: 2643f8e93412SHarish Zunjarrao if (iface_param->iface_num & 0x1) 2644f8e93412SHarish Zunjarrao break; 2645f8e93412SHarish Zunjarrao if (iface_param->value[0] == ISCSI_NET_PARAM_ENABLE) 2646f8e93412SHarish Zunjarrao init_fw_cb->iscsi_opts |= 2647f8e93412SHarish Zunjarrao cpu_to_le16(ISCSIOPTS_CHAP_AUTH_EN); 2648f8e93412SHarish Zunjarrao else 2649f8e93412SHarish Zunjarrao init_fw_cb->iscsi_opts &= 2650f8e93412SHarish Zunjarrao cpu_to_le16(~ISCSIOPTS_CHAP_AUTH_EN); 2651f8e93412SHarish Zunjarrao break; 2652f8e93412SHarish Zunjarrao case ISCSI_IFACE_PARAM_BIDI_CHAP_EN: 2653f8e93412SHarish Zunjarrao if (iface_param->iface_num & 0x1) 2654f8e93412SHarish Zunjarrao break; 2655f8e93412SHarish Zunjarrao if (iface_param->value[0] == ISCSI_NET_PARAM_ENABLE) 2656f8e93412SHarish Zunjarrao init_fw_cb->iscsi_opts |= 2657f8e93412SHarish Zunjarrao cpu_to_le16(ISCSIOPTS_BIDI_CHAP_EN); 2658f8e93412SHarish Zunjarrao else 2659f8e93412SHarish Zunjarrao init_fw_cb->iscsi_opts &= 2660f8e93412SHarish Zunjarrao cpu_to_le16(~ISCSIOPTS_BIDI_CHAP_EN); 2661f8e93412SHarish Zunjarrao break; 2662f8e93412SHarish Zunjarrao case ISCSI_IFACE_PARAM_DISCOVERY_AUTH_OPTIONAL: 2663f8e93412SHarish Zunjarrao if (iface_param->iface_num & 0x1) 2664f8e93412SHarish Zunjarrao break; 2665f8e93412SHarish Zunjarrao if (iface_param->value[0] == ISCSI_NET_PARAM_ENABLE) 2666f8e93412SHarish Zunjarrao init_fw_cb->iscsi_opts |= 2667f8e93412SHarish Zunjarrao cpu_to_le16(ISCSIOPTS_DISCOVERY_AUTH_EN); 2668f8e93412SHarish Zunjarrao else 2669f8e93412SHarish Zunjarrao init_fw_cb->iscsi_opts &= 2670f8e93412SHarish Zunjarrao cpu_to_le16(~ISCSIOPTS_DISCOVERY_AUTH_EN); 2671f8e93412SHarish Zunjarrao break; 2672f8e93412SHarish Zunjarrao case ISCSI_IFACE_PARAM_DISCOVERY_LOGOUT_EN: 2673f8e93412SHarish Zunjarrao if (iface_param->iface_num & 0x1) 2674f8e93412SHarish Zunjarrao break; 2675f8e93412SHarish Zunjarrao if (iface_param->value[0] == ISCSI_NET_PARAM_ENABLE) 2676f8e93412SHarish Zunjarrao init_fw_cb->iscsi_opts |= 2677f8e93412SHarish Zunjarrao cpu_to_le16(ISCSIOPTS_DISCOVERY_LOGOUT_EN); 2678f8e93412SHarish Zunjarrao else 2679f8e93412SHarish Zunjarrao init_fw_cb->iscsi_opts &= 2680f8e93412SHarish Zunjarrao cpu_to_le16(~ISCSIOPTS_DISCOVERY_LOGOUT_EN); 2681f8e93412SHarish Zunjarrao break; 2682f8e93412SHarish Zunjarrao case ISCSI_IFACE_PARAM_STRICT_LOGIN_COMP_EN: 2683f8e93412SHarish Zunjarrao if (iface_param->iface_num & 0x1) 2684f8e93412SHarish Zunjarrao break; 2685f8e93412SHarish Zunjarrao if (iface_param->value[0] == ISCSI_NET_PARAM_ENABLE) 2686f8e93412SHarish Zunjarrao init_fw_cb->iscsi_opts |= 2687f8e93412SHarish Zunjarrao cpu_to_le16(ISCSIOPTS_STRICT_LOGIN_COMP_EN); 2688f8e93412SHarish Zunjarrao else 2689f8e93412SHarish Zunjarrao init_fw_cb->iscsi_opts &= 2690f8e93412SHarish Zunjarrao cpu_to_le16(~ISCSIOPTS_STRICT_LOGIN_COMP_EN); 2691f8e93412SHarish Zunjarrao break; 2692f8e93412SHarish Zunjarrao default: 2693f8e93412SHarish Zunjarrao ql4_printk(KERN_ERR, ha, "Unknown iscsi param = %d\n", 2694f8e93412SHarish Zunjarrao iface_param->param); 2695f8e93412SHarish Zunjarrao break; 2696f8e93412SHarish Zunjarrao } 2697f8e93412SHarish Zunjarrao } 2698f8e93412SHarish Zunjarrao 2699d00efe3fSMike Christie static void 2700d00efe3fSMike Christie qla4xxx_initcb_to_acb(struct addr_ctrl_blk *init_fw_cb) 2701d00efe3fSMike Christie { 2702d00efe3fSMike Christie struct addr_ctrl_blk_def *acb; 2703d00efe3fSMike Christie acb = (struct addr_ctrl_blk_def *)init_fw_cb; 2704d00efe3fSMike Christie memset(acb->reserved1, 0, sizeof(acb->reserved1)); 2705d00efe3fSMike Christie memset(acb->reserved2, 0, sizeof(acb->reserved2)); 2706d00efe3fSMike Christie memset(acb->reserved3, 0, sizeof(acb->reserved3)); 2707d00efe3fSMike Christie memset(acb->reserved4, 0, sizeof(acb->reserved4)); 2708d00efe3fSMike Christie memset(acb->reserved5, 0, sizeof(acb->reserved5)); 2709d00efe3fSMike Christie memset(acb->reserved6, 0, sizeof(acb->reserved6)); 2710d00efe3fSMike Christie memset(acb->reserved7, 0, sizeof(acb->reserved7)); 2711d00efe3fSMike Christie memset(acb->reserved8, 0, sizeof(acb->reserved8)); 2712d00efe3fSMike Christie memset(acb->reserved9, 0, sizeof(acb->reserved9)); 2713d00efe3fSMike Christie memset(acb->reserved10, 0, sizeof(acb->reserved10)); 2714d00efe3fSMike Christie memset(acb->reserved11, 0, sizeof(acb->reserved11)); 2715d00efe3fSMike Christie memset(acb->reserved12, 0, sizeof(acb->reserved12)); 2716d00efe3fSMike Christie memset(acb->reserved13, 0, sizeof(acb->reserved13)); 2717d00efe3fSMike Christie memset(acb->reserved14, 0, sizeof(acb->reserved14)); 2718d00efe3fSMike Christie memset(acb->reserved15, 0, sizeof(acb->reserved15)); 2719d00efe3fSMike Christie } 2720d00efe3fSMike Christie 2721d00efe3fSMike Christie static int 272200c31889SMike Christie qla4xxx_iface_set_param(struct Scsi_Host *shost, void *data, uint32_t len) 2723d00efe3fSMike Christie { 2724d00efe3fSMike Christie struct scsi_qla_host *ha = to_qla_host(shost); 2725d00efe3fSMike Christie int rval = 0; 2726d00efe3fSMike Christie struct iscsi_iface_param_info *iface_param = NULL; 2727d00efe3fSMike Christie struct addr_ctrl_blk *init_fw_cb = NULL; 2728d00efe3fSMike Christie dma_addr_t init_fw_cb_dma; 2729d00efe3fSMike Christie uint32_t mbox_cmd[MBOX_REG_COUNT]; 2730d00efe3fSMike Christie uint32_t mbox_sts[MBOX_REG_COUNT]; 273100c31889SMike Christie uint32_t rem = len; 273200c31889SMike Christie struct nlattr *attr; 2733d00efe3fSMike Christie 2734750afb08SLuis Chamberlain init_fw_cb = dma_alloc_coherent(&ha->pdev->dev, 2735d00efe3fSMike Christie sizeof(struct addr_ctrl_blk), 2736d00efe3fSMike Christie &init_fw_cb_dma, GFP_KERNEL); 2737d00efe3fSMike Christie if (!init_fw_cb) { 2738d00efe3fSMike Christie ql4_printk(KERN_ERR, ha, "%s: Unable to alloc init_cb\n", 2739d00efe3fSMike Christie __func__); 2740d00efe3fSMike Christie return -ENOMEM; 2741d00efe3fSMike Christie } 2742d00efe3fSMike Christie 2743d00efe3fSMike Christie memset(&mbox_cmd, 0, sizeof(mbox_cmd)); 2744d00efe3fSMike Christie memset(&mbox_sts, 0, sizeof(mbox_sts)); 2745d00efe3fSMike Christie 2746d00efe3fSMike Christie if (qla4xxx_get_ifcb(ha, &mbox_cmd[0], &mbox_sts[0], init_fw_cb_dma)) { 2747d00efe3fSMike Christie ql4_printk(KERN_ERR, ha, "%s: get ifcb failed\n", __func__); 2748d00efe3fSMike Christie rval = -EIO; 2749d00efe3fSMike Christie goto exit_init_fw_cb; 2750d00efe3fSMike Christie } 2751d00efe3fSMike Christie 275200c31889SMike Christie nla_for_each_attr(attr, data, len, rem) { 275300c31889SMike Christie iface_param = nla_data(attr); 2754d00efe3fSMike Christie 2755f8e93412SHarish Zunjarrao if (iface_param->param_type == ISCSI_NET_PARAM) { 2756d00efe3fSMike Christie switch (iface_param->iface_type) { 2757d00efe3fSMike Christie case ISCSI_IFACE_TYPE_IPV4: 2758d00efe3fSMike Christie switch (iface_param->iface_num) { 2759d00efe3fSMike Christie case 0: 2760f8e93412SHarish Zunjarrao qla4xxx_set_ipv4(ha, iface_param, 2761f8e93412SHarish Zunjarrao init_fw_cb); 2762d00efe3fSMike Christie break; 2763d00efe3fSMike Christie default: 2764d00efe3fSMike Christie /* Cannot have more than one IPv4 interface */ 2765f8e93412SHarish Zunjarrao ql4_printk(KERN_ERR, ha, 2766f8e93412SHarish Zunjarrao "Invalid IPv4 iface number = %d\n", 2767d00efe3fSMike Christie iface_param->iface_num); 2768d00efe3fSMike Christie break; 2769d00efe3fSMike Christie } 2770d00efe3fSMike Christie break; 2771d00efe3fSMike Christie case ISCSI_IFACE_TYPE_IPV6: 2772d00efe3fSMike Christie switch (iface_param->iface_num) { 2773d00efe3fSMike Christie case 0: 2774d00efe3fSMike Christie case 1: 2775f8e93412SHarish Zunjarrao qla4xxx_set_ipv6(ha, iface_param, 2776f8e93412SHarish Zunjarrao init_fw_cb); 2777d00efe3fSMike Christie break; 2778d00efe3fSMike Christie default: 2779d00efe3fSMike Christie /* Cannot have more than two IPv6 interface */ 2780f8e93412SHarish Zunjarrao ql4_printk(KERN_ERR, ha, 2781f8e93412SHarish Zunjarrao "Invalid IPv6 iface number = %d\n", 2782d00efe3fSMike Christie iface_param->iface_num); 2783d00efe3fSMike Christie break; 2784d00efe3fSMike Christie } 2785d00efe3fSMike Christie break; 2786d00efe3fSMike Christie default: 2787f8e93412SHarish Zunjarrao ql4_printk(KERN_ERR, ha, 2788f8e93412SHarish Zunjarrao "Invalid iface type\n"); 2789d00efe3fSMike Christie break; 2790d00efe3fSMike Christie } 2791f8e93412SHarish Zunjarrao } else if (iface_param->param_type == ISCSI_IFACE_PARAM) { 2792f8e93412SHarish Zunjarrao qla4xxx_set_iscsi_param(ha, iface_param, 2793f8e93412SHarish Zunjarrao init_fw_cb); 2794f8e93412SHarish Zunjarrao } else { 2795f8e93412SHarish Zunjarrao continue; 2796f8e93412SHarish Zunjarrao } 2797d00efe3fSMike Christie } 2798d00efe3fSMike Christie 2799d00efe3fSMike Christie init_fw_cb->cookie = cpu_to_le32(0x11BEAD5A); 2800d00efe3fSMike Christie 2801d00efe3fSMike Christie rval = qla4xxx_set_flash(ha, init_fw_cb_dma, FLASH_SEGMENT_IFCB, 2802d00efe3fSMike Christie sizeof(struct addr_ctrl_blk), 2803d00efe3fSMike Christie FLASH_OPT_RMW_COMMIT); 2804d00efe3fSMike Christie if (rval != QLA_SUCCESS) { 2805d00efe3fSMike Christie ql4_printk(KERN_ERR, ha, "%s: set flash mbx failed\n", 2806d00efe3fSMike Christie __func__); 2807d00efe3fSMike Christie rval = -EIO; 2808d00efe3fSMike Christie goto exit_init_fw_cb; 2809d00efe3fSMike Christie } 2810d00efe3fSMike Christie 2811ce505f9dSVikas Chaudhary rval = qla4xxx_disable_acb(ha); 2812ce505f9dSVikas Chaudhary if (rval != QLA_SUCCESS) { 2813ce505f9dSVikas Chaudhary ql4_printk(KERN_ERR, ha, "%s: disable acb mbx failed\n", 2814ce505f9dSVikas Chaudhary __func__); 2815ce505f9dSVikas Chaudhary rval = -EIO; 2816ce505f9dSVikas Chaudhary goto exit_init_fw_cb; 2817ce505f9dSVikas Chaudhary } 2818ce505f9dSVikas Chaudhary 2819ce505f9dSVikas Chaudhary wait_for_completion_timeout(&ha->disable_acb_comp, 2820ce505f9dSVikas Chaudhary DISABLE_ACB_TOV * HZ); 2821d00efe3fSMike Christie 2822d00efe3fSMike Christie qla4xxx_initcb_to_acb(init_fw_cb); 2823d00efe3fSMike Christie 2824d00efe3fSMike Christie rval = qla4xxx_set_acb(ha, &mbox_cmd[0], &mbox_sts[0], init_fw_cb_dma); 2825d00efe3fSMike Christie if (rval != QLA_SUCCESS) { 2826d00efe3fSMike Christie ql4_printk(KERN_ERR, ha, "%s: set acb mbx failed\n", 2827d00efe3fSMike Christie __func__); 2828d00efe3fSMike Christie rval = -EIO; 2829d00efe3fSMike Christie goto exit_init_fw_cb; 2830d00efe3fSMike Christie } 2831d00efe3fSMike Christie 2832d00efe3fSMike Christie memset(init_fw_cb, 0, sizeof(struct addr_ctrl_blk)); 2833d00efe3fSMike Christie qla4xxx_update_local_ifcb(ha, &mbox_cmd[0], &mbox_sts[0], init_fw_cb, 2834d00efe3fSMike Christie init_fw_cb_dma); 2835d00efe3fSMike Christie 2836d00efe3fSMike Christie exit_init_fw_cb: 2837d00efe3fSMike Christie dma_free_coherent(&ha->pdev->dev, sizeof(struct addr_ctrl_blk), 2838d00efe3fSMike Christie init_fw_cb, init_fw_cb_dma); 2839d00efe3fSMike Christie 2840d00efe3fSMike Christie return rval; 2841d00efe3fSMike Christie } 2842d00efe3fSMike Christie 2843fca9f04dSMike Christie static int qla4xxx_session_get_param(struct iscsi_cls_session *cls_sess, 2844fca9f04dSMike Christie enum iscsi_param param, char *buf) 2845fca9f04dSMike Christie { 2846fca9f04dSMike Christie struct iscsi_session *sess = cls_sess->dd_data; 2847fca9f04dSMike Christie struct ddb_entry *ddb_entry = sess->dd_data; 2848fca9f04dSMike Christie struct scsi_qla_host *ha = ddb_entry->ha; 284997c2730cSAdheer Chandravanshi struct iscsi_cls_conn *cls_conn = ddb_entry->conn; 285097c2730cSAdheer Chandravanshi struct ql4_chap_table chap_tbl; 2851fca9f04dSMike Christie int rval, len; 2852fca9f04dSMike Christie uint16_t idx; 2853fca9f04dSMike Christie 285497c2730cSAdheer Chandravanshi memset(&chap_tbl, 0, sizeof(chap_tbl)); 2855fca9f04dSMike Christie switch (param) { 2856fca9f04dSMike Christie case ISCSI_PARAM_CHAP_IN_IDX: 2857fca9f04dSMike Christie rval = qla4xxx_get_chap_index(ha, sess->username_in, 2858fca9f04dSMike Christie sess->password_in, BIDI_CHAP, 2859fca9f04dSMike Christie &idx); 2860fca9f04dSMike Christie if (rval) 2861c7a5e0d0SManish Rangankar len = sprintf(buf, "\n"); 2862c7a5e0d0SManish Rangankar else 2863fca9f04dSMike Christie len = sprintf(buf, "%hu\n", idx); 2864fca9f04dSMike Christie break; 2865fca9f04dSMike Christie case ISCSI_PARAM_CHAP_OUT_IDX: 286697c2730cSAdheer Chandravanshi if (ddb_entry->ddb_type == FLASH_DDB) { 286797c2730cSAdheer Chandravanshi if (ddb_entry->chap_tbl_idx != INVALID_ENTRY) { 286897c2730cSAdheer Chandravanshi idx = ddb_entry->chap_tbl_idx; 286997c2730cSAdheer Chandravanshi rval = QLA_SUCCESS; 287097c2730cSAdheer Chandravanshi } else { 287197c2730cSAdheer Chandravanshi rval = QLA_ERROR; 287297c2730cSAdheer Chandravanshi } 287397c2730cSAdheer Chandravanshi } else { 2874fca9f04dSMike Christie rval = qla4xxx_get_chap_index(ha, sess->username, 287597c2730cSAdheer Chandravanshi sess->password, 287697c2730cSAdheer Chandravanshi LOCAL_CHAP, &idx); 287797c2730cSAdheer Chandravanshi } 2878fca9f04dSMike Christie if (rval) 2879c7a5e0d0SManish Rangankar len = sprintf(buf, "\n"); 2880c7a5e0d0SManish Rangankar else 2881fca9f04dSMike Christie len = sprintf(buf, "%hu\n", idx); 2882fca9f04dSMike Christie break; 288397c2730cSAdheer Chandravanshi case ISCSI_PARAM_USERNAME: 288497c2730cSAdheer Chandravanshi case ISCSI_PARAM_PASSWORD: 288597c2730cSAdheer Chandravanshi /* First, populate session username and password for FLASH DDB, 288697c2730cSAdheer Chandravanshi * if not already done. This happens when session login fails 288797c2730cSAdheer Chandravanshi * for a FLASH DDB. 288897c2730cSAdheer Chandravanshi */ 288997c2730cSAdheer Chandravanshi if (ddb_entry->ddb_type == FLASH_DDB && 289097c2730cSAdheer Chandravanshi ddb_entry->chap_tbl_idx != INVALID_ENTRY && 289197c2730cSAdheer Chandravanshi !sess->username && !sess->password) { 289297c2730cSAdheer Chandravanshi idx = ddb_entry->chap_tbl_idx; 289397c2730cSAdheer Chandravanshi rval = qla4xxx_get_uni_chap_at_index(ha, chap_tbl.name, 289497c2730cSAdheer Chandravanshi chap_tbl.secret, 289597c2730cSAdheer Chandravanshi idx); 289697c2730cSAdheer Chandravanshi if (!rval) { 289797c2730cSAdheer Chandravanshi iscsi_set_param(cls_conn, ISCSI_PARAM_USERNAME, 289897c2730cSAdheer Chandravanshi (char *)chap_tbl.name, 289997c2730cSAdheer Chandravanshi strlen((char *)chap_tbl.name)); 290097c2730cSAdheer Chandravanshi iscsi_set_param(cls_conn, ISCSI_PARAM_PASSWORD, 290197c2730cSAdheer Chandravanshi (char *)chap_tbl.secret, 290297c2730cSAdheer Chandravanshi chap_tbl.secret_len); 290397c2730cSAdheer Chandravanshi } 290497c2730cSAdheer Chandravanshi } 2905df561f66SGustavo A. R. Silva fallthrough; 2906fca9f04dSMike Christie default: 2907fca9f04dSMike Christie return iscsi_session_get_param(cls_sess, param, buf); 2908fca9f04dSMike Christie } 2909fca9f04dSMike Christie 2910fca9f04dSMike Christie return len; 2911fca9f04dSMike Christie } 2912fca9f04dSMike Christie 2913b3a271a9SManish Rangankar static int qla4xxx_conn_get_param(struct iscsi_cls_conn *cls_conn, 2914afaf5a2dSDavid Somayajulu enum iscsi_param param, char *buf) 2915afaf5a2dSDavid Somayajulu { 2916b3a271a9SManish Rangankar struct iscsi_conn *conn; 2917b3a271a9SManish Rangankar struct qla_conn *qla_conn; 2918b3a271a9SManish Rangankar struct sockaddr *dst_addr; 2919afaf5a2dSDavid Somayajulu 2920b3a271a9SManish Rangankar conn = cls_conn->dd_data; 2921b3a271a9SManish Rangankar qla_conn = conn->dd_data; 2922d46bdeb1SManish Rangankar dst_addr = (struct sockaddr *)&qla_conn->qla_ep->dst_addr; 2923afaf5a2dSDavid Somayajulu 2924afaf5a2dSDavid Somayajulu switch (param) { 2925afaf5a2dSDavid Somayajulu case ISCSI_PARAM_CONN_PORT: 2926afaf5a2dSDavid Somayajulu case ISCSI_PARAM_CONN_ADDRESS: 2927b3a271a9SManish Rangankar return iscsi_conn_get_addr_param((struct sockaddr_storage *) 2928b3a271a9SManish Rangankar dst_addr, param, buf); 2929afaf5a2dSDavid Somayajulu default: 2930b3a271a9SManish Rangankar return iscsi_conn_get_param(cls_conn, param, buf); 2931afaf5a2dSDavid Somayajulu } 2932afaf5a2dSDavid Somayajulu } 2933afaf5a2dSDavid Somayajulu 293413483730SMike Christie int qla4xxx_get_ddb_index(struct scsi_qla_host *ha, uint16_t *ddb_index) 293513483730SMike Christie { 293613483730SMike Christie uint32_t mbx_sts = 0; 293713483730SMike Christie uint16_t tmp_ddb_index; 293813483730SMike Christie int ret; 293913483730SMike Christie 294013483730SMike Christie get_ddb_index: 294113483730SMike Christie tmp_ddb_index = find_first_zero_bit(ha->ddb_idx_map, MAX_DDB_ENTRIES); 294213483730SMike Christie 294313483730SMike Christie if (tmp_ddb_index >= MAX_DDB_ENTRIES) { 294413483730SMike Christie DEBUG2(ql4_printk(KERN_INFO, ha, 294513483730SMike Christie "Free DDB index not available\n")); 294613483730SMike Christie ret = QLA_ERROR; 294713483730SMike Christie goto exit_get_ddb_index; 294813483730SMike Christie } 294913483730SMike Christie 295013483730SMike Christie if (test_and_set_bit(tmp_ddb_index, ha->ddb_idx_map)) 295113483730SMike Christie goto get_ddb_index; 295213483730SMike Christie 295313483730SMike Christie DEBUG2(ql4_printk(KERN_INFO, ha, 295413483730SMike Christie "Found a free DDB index at %d\n", tmp_ddb_index)); 295513483730SMike Christie ret = qla4xxx_req_ddb_entry(ha, tmp_ddb_index, &mbx_sts); 295613483730SMike Christie if (ret == QLA_ERROR) { 295713483730SMike Christie if (mbx_sts == MBOX_STS_COMMAND_ERROR) { 295813483730SMike Christie ql4_printk(KERN_INFO, ha, 295913483730SMike Christie "DDB index = %d not available trying next\n", 296013483730SMike Christie tmp_ddb_index); 296113483730SMike Christie goto get_ddb_index; 296213483730SMike Christie } 296313483730SMike Christie DEBUG2(ql4_printk(KERN_INFO, ha, 296413483730SMike Christie "Free FW DDB not available\n")); 296513483730SMike Christie } 296613483730SMike Christie 296713483730SMike Christie *ddb_index = tmp_ddb_index; 296813483730SMike Christie 296913483730SMike Christie exit_get_ddb_index: 297013483730SMike Christie return ret; 297113483730SMike Christie } 297213483730SMike Christie 297313483730SMike Christie static int qla4xxx_match_ipaddress(struct scsi_qla_host *ha, 297413483730SMike Christie struct ddb_entry *ddb_entry, 297513483730SMike Christie char *existing_ipaddr, 297613483730SMike Christie char *user_ipaddr) 297713483730SMike Christie { 297813483730SMike Christie uint8_t dst_ipaddr[IPv6_ADDR_LEN]; 297913483730SMike Christie char formatted_ipaddr[DDB_IPADDR_LEN]; 298013483730SMike Christie int status = QLA_SUCCESS, ret = 0; 298113483730SMike Christie 298213483730SMike Christie if (ddb_entry->fw_ddb_entry.options & DDB_OPT_IPV6_DEVICE) { 298313483730SMike Christie ret = in6_pton(user_ipaddr, strlen(user_ipaddr), dst_ipaddr, 298413483730SMike Christie '\0', NULL); 298513483730SMike Christie if (ret == 0) { 298613483730SMike Christie status = QLA_ERROR; 298713483730SMike Christie goto out_match; 298813483730SMike Christie } 298913483730SMike Christie ret = sprintf(formatted_ipaddr, "%pI6", dst_ipaddr); 299013483730SMike Christie } else { 299113483730SMike Christie ret = in4_pton(user_ipaddr, strlen(user_ipaddr), dst_ipaddr, 299213483730SMike Christie '\0', NULL); 299313483730SMike Christie if (ret == 0) { 299413483730SMike Christie status = QLA_ERROR; 299513483730SMike Christie goto out_match; 299613483730SMike Christie } 299713483730SMike Christie ret = sprintf(formatted_ipaddr, "%pI4", dst_ipaddr); 299813483730SMike Christie } 299913483730SMike Christie 300013483730SMike Christie if (strcmp(existing_ipaddr, formatted_ipaddr)) 300113483730SMike Christie status = QLA_ERROR; 300213483730SMike Christie 300313483730SMike Christie out_match: 300413483730SMike Christie return status; 300513483730SMike Christie } 300613483730SMike Christie 300713483730SMike Christie static int qla4xxx_match_fwdb_session(struct scsi_qla_host *ha, 300813483730SMike Christie struct iscsi_cls_conn *cls_conn) 300913483730SMike Christie { 301013483730SMike Christie int idx = 0, max_ddbs, rval; 301113483730SMike Christie struct iscsi_cls_session *cls_sess = iscsi_conn_to_session(cls_conn); 301213483730SMike Christie struct iscsi_session *sess, *existing_sess; 301313483730SMike Christie struct iscsi_conn *conn, *existing_conn; 301413483730SMike Christie struct ddb_entry *ddb_entry; 301513483730SMike Christie 301613483730SMike Christie sess = cls_sess->dd_data; 301713483730SMike Christie conn = cls_conn->dd_data; 301813483730SMike Christie 301913483730SMike Christie if (sess->targetname == NULL || 302013483730SMike Christie conn->persistent_address == NULL || 302113483730SMike Christie conn->persistent_port == 0) 302213483730SMike Christie return QLA_ERROR; 302313483730SMike Christie 302413483730SMike Christie max_ddbs = is_qla40XX(ha) ? MAX_DEV_DB_ENTRIES_40XX : 302513483730SMike Christie MAX_DEV_DB_ENTRIES; 302613483730SMike Christie 302713483730SMike Christie for (idx = 0; idx < max_ddbs; idx++) { 302813483730SMike Christie ddb_entry = qla4xxx_lookup_ddb_by_fw_index(ha, idx); 302913483730SMike Christie if (ddb_entry == NULL) 303013483730SMike Christie continue; 303113483730SMike Christie 303213483730SMike Christie if (ddb_entry->ddb_type != FLASH_DDB) 303313483730SMike Christie continue; 303413483730SMike Christie 303513483730SMike Christie existing_sess = ddb_entry->sess->dd_data; 303613483730SMike Christie existing_conn = ddb_entry->conn->dd_data; 303713483730SMike Christie 303813483730SMike Christie if (existing_sess->targetname == NULL || 303913483730SMike Christie existing_conn->persistent_address == NULL || 304013483730SMike Christie existing_conn->persistent_port == 0) 304113483730SMike Christie continue; 304213483730SMike Christie 304313483730SMike Christie DEBUG2(ql4_printk(KERN_INFO, ha, 304413483730SMike Christie "IQN = %s User IQN = %s\n", 304513483730SMike Christie existing_sess->targetname, 304613483730SMike Christie sess->targetname)); 304713483730SMike Christie 304813483730SMike Christie DEBUG2(ql4_printk(KERN_INFO, ha, 304913483730SMike Christie "IP = %s User IP = %s\n", 305013483730SMike Christie existing_conn->persistent_address, 305113483730SMike Christie conn->persistent_address)); 305213483730SMike Christie 305313483730SMike Christie DEBUG2(ql4_printk(KERN_INFO, ha, 305413483730SMike Christie "Port = %d User Port = %d\n", 305513483730SMike Christie existing_conn->persistent_port, 305613483730SMike Christie conn->persistent_port)); 305713483730SMike Christie 305813483730SMike Christie if (strcmp(existing_sess->targetname, sess->targetname)) 305913483730SMike Christie continue; 306013483730SMike Christie rval = qla4xxx_match_ipaddress(ha, ddb_entry, 306113483730SMike Christie existing_conn->persistent_address, 306213483730SMike Christie conn->persistent_address); 306313483730SMike Christie if (rval == QLA_ERROR) 306413483730SMike Christie continue; 306513483730SMike Christie if (existing_conn->persistent_port != conn->persistent_port) 306613483730SMike Christie continue; 306713483730SMike Christie break; 306813483730SMike Christie } 306913483730SMike Christie 307013483730SMike Christie if (idx == max_ddbs) 307113483730SMike Christie return QLA_ERROR; 307213483730SMike Christie 307313483730SMike Christie DEBUG2(ql4_printk(KERN_INFO, ha, 307413483730SMike Christie "Match found in fwdb sessions\n")); 307513483730SMike Christie return QLA_SUCCESS; 307613483730SMike Christie } 307713483730SMike Christie 3078b3a271a9SManish Rangankar static struct iscsi_cls_session * 3079b3a271a9SManish Rangankar qla4xxx_session_create(struct iscsi_endpoint *ep, 3080b3a271a9SManish Rangankar uint16_t cmds_max, uint16_t qdepth, 3081b3a271a9SManish Rangankar uint32_t initial_cmdsn) 3082b3a271a9SManish Rangankar { 3083b3a271a9SManish Rangankar struct iscsi_cls_session *cls_sess; 3084b3a271a9SManish Rangankar struct scsi_qla_host *ha; 3085b3a271a9SManish Rangankar struct qla_endpoint *qla_ep; 3086b3a271a9SManish Rangankar struct ddb_entry *ddb_entry; 308713483730SMike Christie uint16_t ddb_index; 3088b3a271a9SManish Rangankar struct iscsi_session *sess; 3089b3a271a9SManish Rangankar int ret; 3090b3a271a9SManish Rangankar 3091b3a271a9SManish Rangankar if (!ep) { 3092b3a271a9SManish Rangankar printk(KERN_ERR "qla4xxx: missing ep.\n"); 3093b3a271a9SManish Rangankar return NULL; 3094b3a271a9SManish Rangankar } 3095b3a271a9SManish Rangankar 3096b3a271a9SManish Rangankar qla_ep = ep->dd_data; 3097b3a271a9SManish Rangankar ha = to_qla_host(qla_ep->host); 3098c343c5e0SVikas Chaudhary DEBUG2(ql4_printk(KERN_INFO, ha, "%s: host: %ld\n", __func__, 3099c343c5e0SVikas Chaudhary ha->host_no)); 3100736cf369SManish Rangankar 310113483730SMike Christie ret = qla4xxx_get_ddb_index(ha, &ddb_index); 310213483730SMike Christie if (ret == QLA_ERROR) 3103b3a271a9SManish Rangankar return NULL; 3104b3a271a9SManish Rangankar 3105b3a271a9SManish Rangankar cls_sess = iscsi_session_setup(&qla4xxx_iscsi_transport, qla_ep->host, 3106b3a271a9SManish Rangankar cmds_max, sizeof(struct ddb_entry), 3107b3a271a9SManish Rangankar sizeof(struct ql4_task_data), 3108b3a271a9SManish Rangankar initial_cmdsn, ddb_index); 3109b3a271a9SManish Rangankar if (!cls_sess) 3110b3a271a9SManish Rangankar return NULL; 3111b3a271a9SManish Rangankar 3112b3a271a9SManish Rangankar sess = cls_sess->dd_data; 3113b3a271a9SManish Rangankar ddb_entry = sess->dd_data; 3114b3a271a9SManish Rangankar ddb_entry->fw_ddb_index = ddb_index; 3115b3a271a9SManish Rangankar ddb_entry->fw_ddb_device_state = DDB_DS_NO_CONNECTION_ACTIVE; 3116b3a271a9SManish Rangankar ddb_entry->ha = ha; 3117b3a271a9SManish Rangankar ddb_entry->sess = cls_sess; 311813483730SMike Christie ddb_entry->unblock_sess = qla4xxx_unblock_ddb; 311913483730SMike Christie ddb_entry->ddb_change = qla4xxx_ddb_change; 3120de2efea6SNilesh Javali clear_bit(DDB_CONN_CLOSE_FAILURE, &ddb_entry->flags); 3121b3a271a9SManish Rangankar cls_sess->recovery_tmo = ql4xsess_recovery_tmo; 3122b3a271a9SManish Rangankar ha->fw_ddb_index_map[ddb_entry->fw_ddb_index] = ddb_entry; 3123b3a271a9SManish Rangankar ha->tot_ddbs++; 3124b3a271a9SManish Rangankar 3125b3a271a9SManish Rangankar return cls_sess; 3126b3a271a9SManish Rangankar } 3127b3a271a9SManish Rangankar 3128b3a271a9SManish Rangankar static void qla4xxx_session_destroy(struct iscsi_cls_session *cls_sess) 3129b3a271a9SManish Rangankar { 3130b3a271a9SManish Rangankar struct iscsi_session *sess; 3131b3a271a9SManish Rangankar struct ddb_entry *ddb_entry; 3132b3a271a9SManish Rangankar struct scsi_qla_host *ha; 313390599b62SManish Rangankar unsigned long flags, wtime; 313490599b62SManish Rangankar struct dev_db_entry *fw_ddb_entry = NULL; 313590599b62SManish Rangankar dma_addr_t fw_ddb_entry_dma; 313690599b62SManish Rangankar uint32_t ddb_state; 313790599b62SManish Rangankar int ret; 3138b3a271a9SManish Rangankar 3139b3a271a9SManish Rangankar sess = cls_sess->dd_data; 3140b3a271a9SManish Rangankar ddb_entry = sess->dd_data; 3141b3a271a9SManish Rangankar ha = ddb_entry->ha; 3142c343c5e0SVikas Chaudhary DEBUG2(ql4_printk(KERN_INFO, ha, "%s: host: %ld\n", __func__, 3143c343c5e0SVikas Chaudhary ha->host_no)); 3144b3a271a9SManish Rangankar 314590599b62SManish Rangankar fw_ddb_entry = dma_alloc_coherent(&ha->pdev->dev, sizeof(*fw_ddb_entry), 314690599b62SManish Rangankar &fw_ddb_entry_dma, GFP_KERNEL); 314790599b62SManish Rangankar if (!fw_ddb_entry) { 314890599b62SManish Rangankar ql4_printk(KERN_ERR, ha, 314990599b62SManish Rangankar "%s: Unable to allocate dma buffer\n", __func__); 315090599b62SManish Rangankar goto destroy_session; 315190599b62SManish Rangankar } 315290599b62SManish Rangankar 315390599b62SManish Rangankar wtime = jiffies + (HZ * LOGOUT_TOV); 315490599b62SManish Rangankar do { 315590599b62SManish Rangankar ret = qla4xxx_get_fwddb_entry(ha, ddb_entry->fw_ddb_index, 315690599b62SManish Rangankar fw_ddb_entry, fw_ddb_entry_dma, 315790599b62SManish Rangankar NULL, NULL, &ddb_state, NULL, 315890599b62SManish Rangankar NULL, NULL); 315990599b62SManish Rangankar if (ret == QLA_ERROR) 316090599b62SManish Rangankar goto destroy_session; 316190599b62SManish Rangankar 316290599b62SManish Rangankar if ((ddb_state == DDB_DS_NO_CONNECTION_ACTIVE) || 316390599b62SManish Rangankar (ddb_state == DDB_DS_SESSION_FAILED)) 316490599b62SManish Rangankar goto destroy_session; 316590599b62SManish Rangankar 316690599b62SManish Rangankar schedule_timeout_uninterruptible(HZ); 316790599b62SManish Rangankar } while ((time_after(wtime, jiffies))); 316890599b62SManish Rangankar 316990599b62SManish Rangankar destroy_session: 3170736cf369SManish Rangankar qla4xxx_clear_ddb_entry(ha, ddb_entry->fw_ddb_index); 3171de2efea6SNilesh Javali if (test_and_clear_bit(DDB_CONN_CLOSE_FAILURE, &ddb_entry->flags)) 3172de2efea6SNilesh Javali clear_bit(ddb_entry->fw_ddb_index, ha->ddb_idx_map); 3173b3a271a9SManish Rangankar spin_lock_irqsave(&ha->hardware_lock, flags); 3174b3a271a9SManish Rangankar qla4xxx_free_ddb(ha, ddb_entry); 3175b3a271a9SManish Rangankar spin_unlock_irqrestore(&ha->hardware_lock, flags); 317690599b62SManish Rangankar 3177b3a271a9SManish Rangankar iscsi_session_teardown(cls_sess); 317890599b62SManish Rangankar 317990599b62SManish Rangankar if (fw_ddb_entry) 318090599b62SManish Rangankar dma_free_coherent(&ha->pdev->dev, sizeof(*fw_ddb_entry), 318190599b62SManish Rangankar fw_ddb_entry, fw_ddb_entry_dma); 3182b3a271a9SManish Rangankar } 3183b3a271a9SManish Rangankar 3184b3a271a9SManish Rangankar static struct iscsi_cls_conn * 3185b3a271a9SManish Rangankar qla4xxx_conn_create(struct iscsi_cls_session *cls_sess, uint32_t conn_idx) 3186b3a271a9SManish Rangankar { 3187b3a271a9SManish Rangankar struct iscsi_cls_conn *cls_conn; 3188b3a271a9SManish Rangankar struct iscsi_session *sess; 3189b3a271a9SManish Rangankar struct ddb_entry *ddb_entry; 3190c343c5e0SVikas Chaudhary struct scsi_qla_host *ha; 3191b3a271a9SManish Rangankar 3192b3a271a9SManish Rangankar cls_conn = iscsi_conn_setup(cls_sess, sizeof(struct qla_conn), 3193b3a271a9SManish Rangankar conn_idx); 3194c343c5e0SVikas Chaudhary if (!cls_conn) { 3195c343c5e0SVikas Chaudhary pr_info("%s: Can not create connection for conn_idx = %u\n", 3196c343c5e0SVikas Chaudhary __func__, conn_idx); 3197ff1d0319SMike Christie return NULL; 3198c343c5e0SVikas Chaudhary } 3199ff1d0319SMike Christie 3200b3a271a9SManish Rangankar sess = cls_sess->dd_data; 3201b3a271a9SManish Rangankar ddb_entry = sess->dd_data; 3202b3a271a9SManish Rangankar ddb_entry->conn = cls_conn; 3203b3a271a9SManish Rangankar 3204c343c5e0SVikas Chaudhary ha = ddb_entry->ha; 3205c343c5e0SVikas Chaudhary DEBUG2(ql4_printk(KERN_INFO, ha, "%s: conn_idx = %u\n", __func__, 3206c343c5e0SVikas Chaudhary conn_idx)); 3207b3a271a9SManish Rangankar return cls_conn; 3208b3a271a9SManish Rangankar } 3209b3a271a9SManish Rangankar 3210b3a271a9SManish Rangankar static int qla4xxx_conn_bind(struct iscsi_cls_session *cls_session, 3211b3a271a9SManish Rangankar struct iscsi_cls_conn *cls_conn, 3212b3a271a9SManish Rangankar uint64_t transport_fd, int is_leading) 3213b3a271a9SManish Rangankar { 3214b3a271a9SManish Rangankar struct iscsi_conn *conn; 3215b3a271a9SManish Rangankar struct qla_conn *qla_conn; 3216b3a271a9SManish Rangankar struct iscsi_endpoint *ep; 3217c343c5e0SVikas Chaudhary struct ddb_entry *ddb_entry; 3218c343c5e0SVikas Chaudhary struct scsi_qla_host *ha; 3219c343c5e0SVikas Chaudhary struct iscsi_session *sess; 3220b3a271a9SManish Rangankar 3221c343c5e0SVikas Chaudhary sess = cls_session->dd_data; 3222c343c5e0SVikas Chaudhary ddb_entry = sess->dd_data; 3223c343c5e0SVikas Chaudhary ha = ddb_entry->ha; 3224c343c5e0SVikas Chaudhary 3225c343c5e0SVikas Chaudhary DEBUG2(ql4_printk(KERN_INFO, ha, "%s: sid = %d, cid = %d\n", __func__, 3226c343c5e0SVikas Chaudhary cls_session->sid, cls_conn->cid)); 3227b3a271a9SManish Rangankar 3228b3a271a9SManish Rangankar if (iscsi_conn_bind(cls_session, cls_conn, is_leading)) 3229b3a271a9SManish Rangankar return -EINVAL; 3230b3a271a9SManish Rangankar ep = iscsi_lookup_endpoint(transport_fd); 3231fba1bdd2SKangjie Lu if (!ep) 3232fba1bdd2SKangjie Lu return -EINVAL; 3233b3a271a9SManish Rangankar conn = cls_conn->dd_data; 3234b3a271a9SManish Rangankar qla_conn = conn->dd_data; 3235b3a271a9SManish Rangankar qla_conn->qla_ep = ep->dd_data; 32369e5fe170SMike Christie iscsi_put_endpoint(ep); 3237b3a271a9SManish Rangankar return 0; 3238b3a271a9SManish Rangankar } 3239b3a271a9SManish Rangankar 3240b3a271a9SManish Rangankar static int qla4xxx_conn_start(struct iscsi_cls_conn *cls_conn) 3241b3a271a9SManish Rangankar { 3242b3a271a9SManish Rangankar struct iscsi_cls_session *cls_sess = iscsi_conn_to_session(cls_conn); 3243b3a271a9SManish Rangankar struct iscsi_session *sess; 3244b3a271a9SManish Rangankar struct ddb_entry *ddb_entry; 3245b3a271a9SManish Rangankar struct scsi_qla_host *ha; 324613483730SMike Christie struct dev_db_entry *fw_ddb_entry = NULL; 3247b3a271a9SManish Rangankar dma_addr_t fw_ddb_entry_dma; 3248b3a271a9SManish Rangankar uint32_t mbx_sts = 0; 3249b3a271a9SManish Rangankar int ret = 0; 3250b3a271a9SManish Rangankar int status = QLA_SUCCESS; 3251b3a271a9SManish Rangankar 3252b3a271a9SManish Rangankar sess = cls_sess->dd_data; 3253b3a271a9SManish Rangankar ddb_entry = sess->dd_data; 3254b3a271a9SManish Rangankar ha = ddb_entry->ha; 3255c343c5e0SVikas Chaudhary DEBUG2(ql4_printk(KERN_INFO, ha, "%s: sid = %d, cid = %d\n", __func__, 3256c343c5e0SVikas Chaudhary cls_sess->sid, cls_conn->cid)); 3257b3a271a9SManish Rangankar 325813483730SMike Christie /* Check if we have matching FW DDB, if yes then do not 325913483730SMike Christie * login to this target. This could cause target to logout previous 326013483730SMike Christie * connection 326113483730SMike Christie */ 326213483730SMike Christie ret = qla4xxx_match_fwdb_session(ha, cls_conn); 326313483730SMike Christie if (ret == QLA_SUCCESS) { 326413483730SMike Christie ql4_printk(KERN_INFO, ha, 326513483730SMike Christie "Session already exist in FW.\n"); 326613483730SMike Christie ret = -EEXIST; 326713483730SMike Christie goto exit_conn_start; 326813483730SMike Christie } 326913483730SMike Christie 3270b3a271a9SManish Rangankar fw_ddb_entry = dma_alloc_coherent(&ha->pdev->dev, sizeof(*fw_ddb_entry), 3271b3a271a9SManish Rangankar &fw_ddb_entry_dma, GFP_KERNEL); 3272b3a271a9SManish Rangankar if (!fw_ddb_entry) { 3273b3a271a9SManish Rangankar ql4_printk(KERN_ERR, ha, 3274b3a271a9SManish Rangankar "%s: Unable to allocate dma buffer\n", __func__); 327513483730SMike Christie ret = -ENOMEM; 327613483730SMike Christie goto exit_conn_start; 3277b3a271a9SManish Rangankar } 3278b3a271a9SManish Rangankar 3279b3a271a9SManish Rangankar ret = qla4xxx_set_param_ddbentry(ha, ddb_entry, cls_conn, &mbx_sts); 3280b3a271a9SManish Rangankar if (ret) { 3281b3a271a9SManish Rangankar /* If iscsid is stopped and started then no need to do 3282b3a271a9SManish Rangankar * set param again since ddb state will be already 3283b3a271a9SManish Rangankar * active and FW does not allow set ddb to an 3284b3a271a9SManish Rangankar * active session. 3285b3a271a9SManish Rangankar */ 3286b3a271a9SManish Rangankar if (mbx_sts) 3287b3a271a9SManish Rangankar if (ddb_entry->fw_ddb_device_state == 3288f922da79SManish Rangankar DDB_DS_SESSION_ACTIVE) { 328913483730SMike Christie ddb_entry->unblock_sess(ddb_entry->sess); 3290b3a271a9SManish Rangankar goto exit_set_param; 3291f922da79SManish Rangankar } 3292b3a271a9SManish Rangankar 3293b3a271a9SManish Rangankar ql4_printk(KERN_ERR, ha, "%s: Failed set param for index[%d]\n", 3294b3a271a9SManish Rangankar __func__, ddb_entry->fw_ddb_index); 3295b3a271a9SManish Rangankar goto exit_conn_start; 3296b3a271a9SManish Rangankar } 3297b3a271a9SManish Rangankar 3298b3a271a9SManish Rangankar status = qla4xxx_conn_open(ha, ddb_entry->fw_ddb_index); 3299b3a271a9SManish Rangankar if (status == QLA_ERROR) { 33000e7e8501SManish Rangankar ql4_printk(KERN_ERR, ha, "%s: Login failed: %s\n", __func__, 33010e7e8501SManish Rangankar sess->targetname); 3302b3a271a9SManish Rangankar ret = -EINVAL; 3303b3a271a9SManish Rangankar goto exit_conn_start; 3304b3a271a9SManish Rangankar } 3305b3a271a9SManish Rangankar 330698270ab4SManish Rangankar if (ddb_entry->fw_ddb_device_state == DDB_DS_NO_CONNECTION_ACTIVE) 3307b3a271a9SManish Rangankar ddb_entry->fw_ddb_device_state = DDB_DS_LOGIN_IN_PROCESS; 3308b3a271a9SManish Rangankar 330998270ab4SManish Rangankar DEBUG2(printk(KERN_INFO "%s: DDB state [%d]\n", __func__, 331098270ab4SManish Rangankar ddb_entry->fw_ddb_device_state)); 331198270ab4SManish Rangankar 3312b3a271a9SManish Rangankar exit_set_param: 3313b3a271a9SManish Rangankar ret = 0; 3314b3a271a9SManish Rangankar 3315b3a271a9SManish Rangankar exit_conn_start: 331613483730SMike Christie if (fw_ddb_entry) 3317b3a271a9SManish Rangankar dma_free_coherent(&ha->pdev->dev, sizeof(*fw_ddb_entry), 3318b3a271a9SManish Rangankar fw_ddb_entry, fw_ddb_entry_dma); 3319b3a271a9SManish Rangankar return ret; 3320b3a271a9SManish Rangankar } 3321b3a271a9SManish Rangankar 3322b3a271a9SManish Rangankar static void qla4xxx_conn_destroy(struct iscsi_cls_conn *cls_conn) 3323b3a271a9SManish Rangankar { 3324b3a271a9SManish Rangankar struct iscsi_cls_session *cls_sess = iscsi_conn_to_session(cls_conn); 3325b3a271a9SManish Rangankar struct iscsi_session *sess; 3326b3a271a9SManish Rangankar struct scsi_qla_host *ha; 3327b3a271a9SManish Rangankar struct ddb_entry *ddb_entry; 3328b3a271a9SManish Rangankar int options; 3329b3a271a9SManish Rangankar 3330b3a271a9SManish Rangankar sess = cls_sess->dd_data; 3331b3a271a9SManish Rangankar ddb_entry = sess->dd_data; 3332b3a271a9SManish Rangankar ha = ddb_entry->ha; 3333c343c5e0SVikas Chaudhary DEBUG2(ql4_printk(KERN_INFO, ha, "%s: cid = %d\n", __func__, 3334c343c5e0SVikas Chaudhary cls_conn->cid)); 3335b3a271a9SManish Rangankar 3336b3a271a9SManish Rangankar options = LOGOUT_OPTION_CLOSE_SESSION; 3337b3a271a9SManish Rangankar if (qla4xxx_session_logout_ddb(ha, ddb_entry, options) == QLA_ERROR) 3338b3a271a9SManish Rangankar ql4_printk(KERN_ERR, ha, "%s: Logout failed\n", __func__); 3339b3a271a9SManish Rangankar } 3340b3a271a9SManish Rangankar 3341b3a271a9SManish Rangankar static void qla4xxx_task_work(struct work_struct *wdata) 3342b3a271a9SManish Rangankar { 3343b3a271a9SManish Rangankar struct ql4_task_data *task_data; 3344b3a271a9SManish Rangankar struct scsi_qla_host *ha; 3345b3a271a9SManish Rangankar struct passthru_status *sts; 3346b3a271a9SManish Rangankar struct iscsi_task *task; 3347b3a271a9SManish Rangankar struct iscsi_hdr *hdr; 3348b3a271a9SManish Rangankar uint8_t *data; 3349b3a271a9SManish Rangankar uint32_t data_len; 3350b3a271a9SManish Rangankar struct iscsi_conn *conn; 3351b3a271a9SManish Rangankar int hdr_len; 3352b3a271a9SManish Rangankar itt_t itt; 3353b3a271a9SManish Rangankar 3354b3a271a9SManish Rangankar task_data = container_of(wdata, struct ql4_task_data, task_work); 3355b3a271a9SManish Rangankar ha = task_data->ha; 3356b3a271a9SManish Rangankar task = task_data->task; 3357b3a271a9SManish Rangankar sts = &task_data->sts; 3358b3a271a9SManish Rangankar hdr_len = sizeof(struct iscsi_hdr); 3359b3a271a9SManish Rangankar 3360b3a271a9SManish Rangankar DEBUG3(printk(KERN_INFO "Status returned\n")); 3361b3a271a9SManish Rangankar DEBUG3(qla4xxx_dump_buffer(sts, 64)); 3362b3a271a9SManish Rangankar DEBUG3(printk(KERN_INFO "Response buffer")); 3363b3a271a9SManish Rangankar DEBUG3(qla4xxx_dump_buffer(task_data->resp_buffer, 64)); 3364b3a271a9SManish Rangankar 3365b3a271a9SManish Rangankar conn = task->conn; 3366b3a271a9SManish Rangankar 3367b3a271a9SManish Rangankar switch (sts->completionStatus) { 3368b3a271a9SManish Rangankar case PASSTHRU_STATUS_COMPLETE: 3369b3a271a9SManish Rangankar hdr = (struct iscsi_hdr *)task_data->resp_buffer; 3370b3a271a9SManish Rangankar /* Assign back the itt in hdr, until we use the PREASSIGN_TAG */ 3371b3a271a9SManish Rangankar itt = sts->handle; 3372b3a271a9SManish Rangankar hdr->itt = itt; 3373b3a271a9SManish Rangankar data = task_data->resp_buffer + hdr_len; 3374b3a271a9SManish Rangankar data_len = task_data->resp_len - hdr_len; 3375b3a271a9SManish Rangankar iscsi_complete_pdu(conn, hdr, data, data_len); 3376b3a271a9SManish Rangankar break; 3377b3a271a9SManish Rangankar default: 3378b3a271a9SManish Rangankar ql4_printk(KERN_ERR, ha, "Passthru failed status = 0x%x\n", 3379b3a271a9SManish Rangankar sts->completionStatus); 3380b3a271a9SManish Rangankar break; 3381b3a271a9SManish Rangankar } 3382b3a271a9SManish Rangankar return; 3383b3a271a9SManish Rangankar } 3384b3a271a9SManish Rangankar 3385b3a271a9SManish Rangankar static int qla4xxx_alloc_pdu(struct iscsi_task *task, uint8_t opcode) 3386b3a271a9SManish Rangankar { 3387b3a271a9SManish Rangankar struct ql4_task_data *task_data; 3388b3a271a9SManish Rangankar struct iscsi_session *sess; 3389b3a271a9SManish Rangankar struct ddb_entry *ddb_entry; 3390b3a271a9SManish Rangankar struct scsi_qla_host *ha; 3391b3a271a9SManish Rangankar int hdr_len; 3392b3a271a9SManish Rangankar 3393b3a271a9SManish Rangankar sess = task->conn->session; 3394b3a271a9SManish Rangankar ddb_entry = sess->dd_data; 3395b3a271a9SManish Rangankar ha = ddb_entry->ha; 3396b3a271a9SManish Rangankar task_data = task->dd_data; 3397b3a271a9SManish Rangankar memset(task_data, 0, sizeof(struct ql4_task_data)); 3398b3a271a9SManish Rangankar 3399b3a271a9SManish Rangankar if (task->sc) { 3400b3a271a9SManish Rangankar ql4_printk(KERN_INFO, ha, 3401b3a271a9SManish Rangankar "%s: SCSI Commands not implemented\n", __func__); 3402b3a271a9SManish Rangankar return -EINVAL; 3403b3a271a9SManish Rangankar } 3404b3a271a9SManish Rangankar 3405b3a271a9SManish Rangankar hdr_len = sizeof(struct iscsi_hdr); 3406b3a271a9SManish Rangankar task_data->ha = ha; 3407b3a271a9SManish Rangankar task_data->task = task; 3408b3a271a9SManish Rangankar 3409b3a271a9SManish Rangankar if (task->data_count) { 3410b3a271a9SManish Rangankar task_data->data_dma = dma_map_single(&ha->pdev->dev, task->data, 3411b3a271a9SManish Rangankar task->data_count, 3412ec44a676SChristoph Hellwig DMA_TO_DEVICE); 3413b3a271a9SManish Rangankar } 3414b3a271a9SManish Rangankar 3415b3a271a9SManish Rangankar DEBUG2(ql4_printk(KERN_INFO, ha, "%s: MaxRecvLen %u, iscsi hrd %d\n", 3416b3a271a9SManish Rangankar __func__, task->conn->max_recv_dlength, hdr_len)); 3417b3a271a9SManish Rangankar 341869ca216eSManish Rangankar task_data->resp_len = task->conn->max_recv_dlength + hdr_len; 3419b3a271a9SManish Rangankar task_data->resp_buffer = dma_alloc_coherent(&ha->pdev->dev, 3420b3a271a9SManish Rangankar task_data->resp_len, 3421b3a271a9SManish Rangankar &task_data->resp_dma, 3422b3a271a9SManish Rangankar GFP_ATOMIC); 3423b3a271a9SManish Rangankar if (!task_data->resp_buffer) 3424b3a271a9SManish Rangankar goto exit_alloc_pdu; 3425b3a271a9SManish Rangankar 342669ca216eSManish Rangankar task_data->req_len = task->data_count + hdr_len; 3427b3a271a9SManish Rangankar task_data->req_buffer = dma_alloc_coherent(&ha->pdev->dev, 342869ca216eSManish Rangankar task_data->req_len, 3429b3a271a9SManish Rangankar &task_data->req_dma, 3430b3a271a9SManish Rangankar GFP_ATOMIC); 3431b3a271a9SManish Rangankar if (!task_data->req_buffer) 3432b3a271a9SManish Rangankar goto exit_alloc_pdu; 3433b3a271a9SManish Rangankar 3434b3a271a9SManish Rangankar task->hdr = task_data->req_buffer; 3435b3a271a9SManish Rangankar 3436b3a271a9SManish Rangankar INIT_WORK(&task_data->task_work, qla4xxx_task_work); 3437b3a271a9SManish Rangankar 3438b3a271a9SManish Rangankar return 0; 3439b3a271a9SManish Rangankar 3440b3a271a9SManish Rangankar exit_alloc_pdu: 3441b3a271a9SManish Rangankar if (task_data->resp_buffer) 3442b3a271a9SManish Rangankar dma_free_coherent(&ha->pdev->dev, task_data->resp_len, 3443b3a271a9SManish Rangankar task_data->resp_buffer, task_data->resp_dma); 3444b3a271a9SManish Rangankar 3445b3a271a9SManish Rangankar if (task_data->req_buffer) 344669ca216eSManish Rangankar dma_free_coherent(&ha->pdev->dev, task_data->req_len, 3447b3a271a9SManish Rangankar task_data->req_buffer, task_data->req_dma); 3448b3a271a9SManish Rangankar return -ENOMEM; 3449b3a271a9SManish Rangankar } 3450b3a271a9SManish Rangankar 3451b3a271a9SManish Rangankar static void qla4xxx_task_cleanup(struct iscsi_task *task) 3452b3a271a9SManish Rangankar { 3453b3a271a9SManish Rangankar struct ql4_task_data *task_data; 3454b3a271a9SManish Rangankar struct iscsi_session *sess; 3455b3a271a9SManish Rangankar struct ddb_entry *ddb_entry; 3456b3a271a9SManish Rangankar struct scsi_qla_host *ha; 3457b3a271a9SManish Rangankar int hdr_len; 3458b3a271a9SManish Rangankar 3459b3a271a9SManish Rangankar hdr_len = sizeof(struct iscsi_hdr); 3460b3a271a9SManish Rangankar sess = task->conn->session; 3461b3a271a9SManish Rangankar ddb_entry = sess->dd_data; 3462b3a271a9SManish Rangankar ha = ddb_entry->ha; 3463b3a271a9SManish Rangankar task_data = task->dd_data; 3464b3a271a9SManish Rangankar 3465b3a271a9SManish Rangankar if (task->data_count) { 3466b3a271a9SManish Rangankar dma_unmap_single(&ha->pdev->dev, task_data->data_dma, 3467ec44a676SChristoph Hellwig task->data_count, DMA_TO_DEVICE); 3468b3a271a9SManish Rangankar } 3469b3a271a9SManish Rangankar 3470b3a271a9SManish Rangankar DEBUG2(ql4_printk(KERN_INFO, ha, "%s: MaxRecvLen %u, iscsi hrd %d\n", 3471b3a271a9SManish Rangankar __func__, task->conn->max_recv_dlength, hdr_len)); 3472b3a271a9SManish Rangankar 3473b3a271a9SManish Rangankar dma_free_coherent(&ha->pdev->dev, task_data->resp_len, 3474b3a271a9SManish Rangankar task_data->resp_buffer, task_data->resp_dma); 347569ca216eSManish Rangankar dma_free_coherent(&ha->pdev->dev, task_data->req_len, 3476b3a271a9SManish Rangankar task_data->req_buffer, task_data->req_dma); 3477b3a271a9SManish Rangankar return; 3478b3a271a9SManish Rangankar } 3479b3a271a9SManish Rangankar 3480b3a271a9SManish Rangankar static int qla4xxx_task_xmit(struct iscsi_task *task) 3481b3a271a9SManish Rangankar { 3482b3a271a9SManish Rangankar struct scsi_cmnd *sc = task->sc; 3483b3a271a9SManish Rangankar struct iscsi_session *sess = task->conn->session; 3484b3a271a9SManish Rangankar struct ddb_entry *ddb_entry = sess->dd_data; 3485b3a271a9SManish Rangankar struct scsi_qla_host *ha = ddb_entry->ha; 3486b3a271a9SManish Rangankar 3487b3a271a9SManish Rangankar if (!sc) 3488b3a271a9SManish Rangankar return qla4xxx_send_passthru0(task); 3489b3a271a9SManish Rangankar 3490b3a271a9SManish Rangankar ql4_printk(KERN_INFO, ha, "%s: scsi cmd xmit not implemented\n", 3491b3a271a9SManish Rangankar __func__); 3492b3a271a9SManish Rangankar return -ENOSYS; 3493b3a271a9SManish Rangankar } 3494b3a271a9SManish Rangankar 34951e9e2be3SAdheer Chandravanshi static int qla4xxx_copy_from_fwddb_param(struct iscsi_bus_flash_session *sess, 34961e9e2be3SAdheer Chandravanshi struct iscsi_bus_flash_conn *conn, 34971e9e2be3SAdheer Chandravanshi struct dev_db_entry *fw_ddb_entry) 34981e9e2be3SAdheer Chandravanshi { 34991e9e2be3SAdheer Chandravanshi unsigned long options = 0; 35001e9e2be3SAdheer Chandravanshi int rc = 0; 35011e9e2be3SAdheer Chandravanshi 35021e9e2be3SAdheer Chandravanshi options = le16_to_cpu(fw_ddb_entry->options); 35031e9e2be3SAdheer Chandravanshi conn->is_fw_assigned_ipv6 = test_bit(OPT_IS_FW_ASSIGNED_IPV6, &options); 35041e9e2be3SAdheer Chandravanshi if (test_bit(OPT_IPV6_DEVICE, &options)) { 3505c962c18bSAdheer Chandravanshi rc = iscsi_switch_str_param(&sess->portal_type, 3506c962c18bSAdheer Chandravanshi PORTAL_TYPE_IPV6); 35071e9e2be3SAdheer Chandravanshi if (rc) 35081e9e2be3SAdheer Chandravanshi goto exit_copy; 35091e9e2be3SAdheer Chandravanshi } else { 3510c962c18bSAdheer Chandravanshi rc = iscsi_switch_str_param(&sess->portal_type, 3511c962c18bSAdheer Chandravanshi PORTAL_TYPE_IPV4); 35121e9e2be3SAdheer Chandravanshi if (rc) 35131e9e2be3SAdheer Chandravanshi goto exit_copy; 35141e9e2be3SAdheer Chandravanshi } 35151e9e2be3SAdheer Chandravanshi 35161e9e2be3SAdheer Chandravanshi sess->auto_snd_tgt_disable = test_bit(OPT_AUTO_SENDTGTS_DISABLE, 35171e9e2be3SAdheer Chandravanshi &options); 35181e9e2be3SAdheer Chandravanshi sess->discovery_sess = test_bit(OPT_DISC_SESSION, &options); 35191e9e2be3SAdheer Chandravanshi sess->entry_state = test_bit(OPT_ENTRY_STATE, &options); 35201e9e2be3SAdheer Chandravanshi 35211e9e2be3SAdheer Chandravanshi options = le16_to_cpu(fw_ddb_entry->iscsi_options); 35221e9e2be3SAdheer Chandravanshi conn->hdrdgst_en = test_bit(ISCSIOPT_HEADER_DIGEST_EN, &options); 35231e9e2be3SAdheer Chandravanshi conn->datadgst_en = test_bit(ISCSIOPT_DATA_DIGEST_EN, &options); 35241e9e2be3SAdheer Chandravanshi sess->imm_data_en = test_bit(ISCSIOPT_IMMEDIATE_DATA_EN, &options); 35251e9e2be3SAdheer Chandravanshi sess->initial_r2t_en = test_bit(ISCSIOPT_INITIAL_R2T_EN, &options); 35261e9e2be3SAdheer Chandravanshi sess->dataseq_inorder_en = test_bit(ISCSIOPT_DATA_SEQ_IN_ORDER, 35271e9e2be3SAdheer Chandravanshi &options); 35281e9e2be3SAdheer Chandravanshi sess->pdu_inorder_en = test_bit(ISCSIOPT_DATA_PDU_IN_ORDER, &options); 35291e9e2be3SAdheer Chandravanshi sess->chap_auth_en = test_bit(ISCSIOPT_CHAP_AUTH_EN, &options); 35301e9e2be3SAdheer Chandravanshi conn->snack_req_en = test_bit(ISCSIOPT_SNACK_REQ_EN, &options); 35311e9e2be3SAdheer Chandravanshi sess->discovery_logout_en = test_bit(ISCSIOPT_DISCOVERY_LOGOUT_EN, 35321e9e2be3SAdheer Chandravanshi &options); 35331e9e2be3SAdheer Chandravanshi sess->bidi_chap_en = test_bit(ISCSIOPT_BIDI_CHAP_EN, &options); 35341e9e2be3SAdheer Chandravanshi sess->discovery_auth_optional = 35351e9e2be3SAdheer Chandravanshi test_bit(ISCSIOPT_DISCOVERY_AUTH_OPTIONAL, &options); 35361e9e2be3SAdheer Chandravanshi if (test_bit(ISCSIOPT_ERL1, &options)) 35371e9e2be3SAdheer Chandravanshi sess->erl |= BIT_1; 35381e9e2be3SAdheer Chandravanshi if (test_bit(ISCSIOPT_ERL0, &options)) 35391e9e2be3SAdheer Chandravanshi sess->erl |= BIT_0; 35401e9e2be3SAdheer Chandravanshi 35411e9e2be3SAdheer Chandravanshi options = le16_to_cpu(fw_ddb_entry->tcp_options); 35421e9e2be3SAdheer Chandravanshi conn->tcp_timestamp_stat = test_bit(TCPOPT_TIMESTAMP_STAT, &options); 35431e9e2be3SAdheer Chandravanshi conn->tcp_nagle_disable = test_bit(TCPOPT_NAGLE_DISABLE, &options); 35441e9e2be3SAdheer Chandravanshi conn->tcp_wsf_disable = test_bit(TCPOPT_WSF_DISABLE, &options); 35451e9e2be3SAdheer Chandravanshi if (test_bit(TCPOPT_TIMER_SCALE3, &options)) 35461e9e2be3SAdheer Chandravanshi conn->tcp_timer_scale |= BIT_3; 35471e9e2be3SAdheer Chandravanshi if (test_bit(TCPOPT_TIMER_SCALE2, &options)) 35481e9e2be3SAdheer Chandravanshi conn->tcp_timer_scale |= BIT_2; 35491e9e2be3SAdheer Chandravanshi if (test_bit(TCPOPT_TIMER_SCALE1, &options)) 35501e9e2be3SAdheer Chandravanshi conn->tcp_timer_scale |= BIT_1; 35511e9e2be3SAdheer Chandravanshi 35521e9e2be3SAdheer Chandravanshi conn->tcp_timer_scale >>= 1; 35531e9e2be3SAdheer Chandravanshi conn->tcp_timestamp_en = test_bit(TCPOPT_TIMESTAMP_EN, &options); 35541e9e2be3SAdheer Chandravanshi 35551e9e2be3SAdheer Chandravanshi options = le16_to_cpu(fw_ddb_entry->ip_options); 35561e9e2be3SAdheer Chandravanshi conn->fragment_disable = test_bit(IPOPT_FRAGMENT_DISABLE, &options); 35571e9e2be3SAdheer Chandravanshi 35581e9e2be3SAdheer Chandravanshi conn->max_recv_dlength = BYTE_UNITS * 35591e9e2be3SAdheer Chandravanshi le16_to_cpu(fw_ddb_entry->iscsi_max_rcv_data_seg_len); 35601e9e2be3SAdheer Chandravanshi conn->max_xmit_dlength = BYTE_UNITS * 35611e9e2be3SAdheer Chandravanshi le16_to_cpu(fw_ddb_entry->iscsi_max_snd_data_seg_len); 35621e9e2be3SAdheer Chandravanshi sess->first_burst = BYTE_UNITS * 35631e9e2be3SAdheer Chandravanshi le16_to_cpu(fw_ddb_entry->iscsi_first_burst_len); 35641e9e2be3SAdheer Chandravanshi sess->max_burst = BYTE_UNITS * 35651e9e2be3SAdheer Chandravanshi le16_to_cpu(fw_ddb_entry->iscsi_max_burst_len); 35661e9e2be3SAdheer Chandravanshi sess->max_r2t = le16_to_cpu(fw_ddb_entry->iscsi_max_outsnd_r2t); 35671e9e2be3SAdheer Chandravanshi sess->time2wait = le16_to_cpu(fw_ddb_entry->iscsi_def_time2wait); 35681e9e2be3SAdheer Chandravanshi sess->time2retain = le16_to_cpu(fw_ddb_entry->iscsi_def_time2retain); 35691e9e2be3SAdheer Chandravanshi sess->tpgt = le32_to_cpu(fw_ddb_entry->tgt_portal_grp); 35701e9e2be3SAdheer Chandravanshi conn->max_segment_size = le16_to_cpu(fw_ddb_entry->mss); 35711e9e2be3SAdheer Chandravanshi conn->tcp_xmit_wsf = fw_ddb_entry->tcp_xmt_wsf; 35721e9e2be3SAdheer Chandravanshi conn->tcp_recv_wsf = fw_ddb_entry->tcp_rcv_wsf; 35731e9e2be3SAdheer Chandravanshi conn->ipv6_flow_label = le16_to_cpu(fw_ddb_entry->ipv6_flow_lbl); 35741e9e2be3SAdheer Chandravanshi conn->keepalive_timeout = le16_to_cpu(fw_ddb_entry->ka_timeout); 35751e9e2be3SAdheer Chandravanshi conn->local_port = le16_to_cpu(fw_ddb_entry->lcl_port); 35761e9e2be3SAdheer Chandravanshi conn->statsn = le32_to_cpu(fw_ddb_entry->stat_sn); 35771e9e2be3SAdheer Chandravanshi conn->exp_statsn = le32_to_cpu(fw_ddb_entry->exp_stat_sn); 35781e9e2be3SAdheer Chandravanshi sess->discovery_parent_idx = le16_to_cpu(fw_ddb_entry->ddb_link); 35791e9e2be3SAdheer Chandravanshi sess->discovery_parent_type = le16_to_cpu(fw_ddb_entry->ddb_link); 35801e9e2be3SAdheer Chandravanshi sess->chap_out_idx = le16_to_cpu(fw_ddb_entry->chap_tbl_idx); 35811e9e2be3SAdheer Chandravanshi sess->tsid = le16_to_cpu(fw_ddb_entry->tsid); 35821e9e2be3SAdheer Chandravanshi 35831e9e2be3SAdheer Chandravanshi sess->default_taskmgmt_timeout = 35841e9e2be3SAdheer Chandravanshi le16_to_cpu(fw_ddb_entry->def_timeout); 35851e9e2be3SAdheer Chandravanshi conn->port = le16_to_cpu(fw_ddb_entry->port); 35861e9e2be3SAdheer Chandravanshi 35871e9e2be3SAdheer Chandravanshi options = le16_to_cpu(fw_ddb_entry->options); 35881e9e2be3SAdheer Chandravanshi conn->ipaddress = kzalloc(IPv6_ADDR_LEN, GFP_KERNEL); 35891e9e2be3SAdheer Chandravanshi if (!conn->ipaddress) { 35901e9e2be3SAdheer Chandravanshi rc = -ENOMEM; 35911e9e2be3SAdheer Chandravanshi goto exit_copy; 35921e9e2be3SAdheer Chandravanshi } 35931e9e2be3SAdheer Chandravanshi 35941e9e2be3SAdheer Chandravanshi conn->redirect_ipaddr = kzalloc(IPv6_ADDR_LEN, GFP_KERNEL); 35951e9e2be3SAdheer Chandravanshi if (!conn->redirect_ipaddr) { 35961e9e2be3SAdheer Chandravanshi rc = -ENOMEM; 35971e9e2be3SAdheer Chandravanshi goto exit_copy; 35981e9e2be3SAdheer Chandravanshi } 35991e9e2be3SAdheer Chandravanshi 36001e9e2be3SAdheer Chandravanshi memcpy(conn->ipaddress, fw_ddb_entry->ip_addr, IPv6_ADDR_LEN); 36011e9e2be3SAdheer Chandravanshi memcpy(conn->redirect_ipaddr, fw_ddb_entry->tgt_addr, IPv6_ADDR_LEN); 36021e9e2be3SAdheer Chandravanshi 36031e9e2be3SAdheer Chandravanshi if (test_bit(OPT_IPV6_DEVICE, &options)) { 36041e9e2be3SAdheer Chandravanshi conn->ipv6_traffic_class = fw_ddb_entry->ipv4_tos; 36051e9e2be3SAdheer Chandravanshi 36063d30b439SBenoit Taine conn->link_local_ipv6_addr = kmemdup( 36073d30b439SBenoit Taine fw_ddb_entry->link_local_ipv6_addr, 36083d30b439SBenoit Taine IPv6_ADDR_LEN, GFP_KERNEL); 36091e9e2be3SAdheer Chandravanshi if (!conn->link_local_ipv6_addr) { 36101e9e2be3SAdheer Chandravanshi rc = -ENOMEM; 36111e9e2be3SAdheer Chandravanshi goto exit_copy; 36121e9e2be3SAdheer Chandravanshi } 36131e9e2be3SAdheer Chandravanshi } else { 36141e9e2be3SAdheer Chandravanshi conn->ipv4_tos = fw_ddb_entry->ipv4_tos; 36151e9e2be3SAdheer Chandravanshi } 36161e9e2be3SAdheer Chandravanshi 36171e9e2be3SAdheer Chandravanshi if (fw_ddb_entry->iscsi_name[0]) { 36181e9e2be3SAdheer Chandravanshi rc = iscsi_switch_str_param(&sess->targetname, 36191e9e2be3SAdheer Chandravanshi (char *)fw_ddb_entry->iscsi_name); 36201e9e2be3SAdheer Chandravanshi if (rc) 36211e9e2be3SAdheer Chandravanshi goto exit_copy; 36221e9e2be3SAdheer Chandravanshi } 36231e9e2be3SAdheer Chandravanshi 36241e9e2be3SAdheer Chandravanshi if (fw_ddb_entry->iscsi_alias[0]) { 36251e9e2be3SAdheer Chandravanshi rc = iscsi_switch_str_param(&sess->targetalias, 36261e9e2be3SAdheer Chandravanshi (char *)fw_ddb_entry->iscsi_alias); 36271e9e2be3SAdheer Chandravanshi if (rc) 36281e9e2be3SAdheer Chandravanshi goto exit_copy; 36291e9e2be3SAdheer Chandravanshi } 36301e9e2be3SAdheer Chandravanshi 36311e9e2be3SAdheer Chandravanshi COPY_ISID(sess->isid, fw_ddb_entry->isid); 36321e9e2be3SAdheer Chandravanshi 36331e9e2be3SAdheer Chandravanshi exit_copy: 36341e9e2be3SAdheer Chandravanshi return rc; 36351e9e2be3SAdheer Chandravanshi } 36361e9e2be3SAdheer Chandravanshi 36371e9e2be3SAdheer Chandravanshi static int qla4xxx_copy_to_fwddb_param(struct iscsi_bus_flash_session *sess, 36381e9e2be3SAdheer Chandravanshi struct iscsi_bus_flash_conn *conn, 36391e9e2be3SAdheer Chandravanshi struct dev_db_entry *fw_ddb_entry) 36401e9e2be3SAdheer Chandravanshi { 36411e9e2be3SAdheer Chandravanshi uint16_t options; 36421e9e2be3SAdheer Chandravanshi int rc = 0; 36431e9e2be3SAdheer Chandravanshi 36441e9e2be3SAdheer Chandravanshi options = le16_to_cpu(fw_ddb_entry->options); 36451e9e2be3SAdheer Chandravanshi SET_BITVAL(conn->is_fw_assigned_ipv6, options, BIT_11); 3646c962c18bSAdheer Chandravanshi if (!strncmp(sess->portal_type, PORTAL_TYPE_IPV6, 4)) 36471e9e2be3SAdheer Chandravanshi options |= BIT_8; 36481e9e2be3SAdheer Chandravanshi else 36491e9e2be3SAdheer Chandravanshi options &= ~BIT_8; 36501e9e2be3SAdheer Chandravanshi 36511e9e2be3SAdheer Chandravanshi SET_BITVAL(sess->auto_snd_tgt_disable, options, BIT_6); 36521e9e2be3SAdheer Chandravanshi SET_BITVAL(sess->discovery_sess, options, BIT_4); 36531e9e2be3SAdheer Chandravanshi SET_BITVAL(sess->entry_state, options, BIT_3); 36541e9e2be3SAdheer Chandravanshi fw_ddb_entry->options = cpu_to_le16(options); 36551e9e2be3SAdheer Chandravanshi 36561e9e2be3SAdheer Chandravanshi options = le16_to_cpu(fw_ddb_entry->iscsi_options); 36571e9e2be3SAdheer Chandravanshi SET_BITVAL(conn->hdrdgst_en, options, BIT_13); 36581e9e2be3SAdheer Chandravanshi SET_BITVAL(conn->datadgst_en, options, BIT_12); 36591e9e2be3SAdheer Chandravanshi SET_BITVAL(sess->imm_data_en, options, BIT_11); 36601e9e2be3SAdheer Chandravanshi SET_BITVAL(sess->initial_r2t_en, options, BIT_10); 36611e9e2be3SAdheer Chandravanshi SET_BITVAL(sess->dataseq_inorder_en, options, BIT_9); 36621e9e2be3SAdheer Chandravanshi SET_BITVAL(sess->pdu_inorder_en, options, BIT_8); 36631e9e2be3SAdheer Chandravanshi SET_BITVAL(sess->chap_auth_en, options, BIT_7); 36641e9e2be3SAdheer Chandravanshi SET_BITVAL(conn->snack_req_en, options, BIT_6); 36651e9e2be3SAdheer Chandravanshi SET_BITVAL(sess->discovery_logout_en, options, BIT_5); 36661e9e2be3SAdheer Chandravanshi SET_BITVAL(sess->bidi_chap_en, options, BIT_4); 36671e9e2be3SAdheer Chandravanshi SET_BITVAL(sess->discovery_auth_optional, options, BIT_3); 36681e9e2be3SAdheer Chandravanshi SET_BITVAL(sess->erl & BIT_1, options, BIT_1); 36691e9e2be3SAdheer Chandravanshi SET_BITVAL(sess->erl & BIT_0, options, BIT_0); 36701e9e2be3SAdheer Chandravanshi fw_ddb_entry->iscsi_options = cpu_to_le16(options); 36711e9e2be3SAdheer Chandravanshi 36721e9e2be3SAdheer Chandravanshi options = le16_to_cpu(fw_ddb_entry->tcp_options); 36731e9e2be3SAdheer Chandravanshi SET_BITVAL(conn->tcp_timestamp_stat, options, BIT_6); 36741e9e2be3SAdheer Chandravanshi SET_BITVAL(conn->tcp_nagle_disable, options, BIT_5); 36751e9e2be3SAdheer Chandravanshi SET_BITVAL(conn->tcp_wsf_disable, options, BIT_4); 36761e9e2be3SAdheer Chandravanshi SET_BITVAL(conn->tcp_timer_scale & BIT_2, options, BIT_3); 36771e9e2be3SAdheer Chandravanshi SET_BITVAL(conn->tcp_timer_scale & BIT_1, options, BIT_2); 36781e9e2be3SAdheer Chandravanshi SET_BITVAL(conn->tcp_timer_scale & BIT_0, options, BIT_1); 36791e9e2be3SAdheer Chandravanshi SET_BITVAL(conn->tcp_timestamp_en, options, BIT_0); 36801e9e2be3SAdheer Chandravanshi fw_ddb_entry->tcp_options = cpu_to_le16(options); 36811e9e2be3SAdheer Chandravanshi 36821e9e2be3SAdheer Chandravanshi options = le16_to_cpu(fw_ddb_entry->ip_options); 36831e9e2be3SAdheer Chandravanshi SET_BITVAL(conn->fragment_disable, options, BIT_4); 36841e9e2be3SAdheer Chandravanshi fw_ddb_entry->ip_options = cpu_to_le16(options); 36851e9e2be3SAdheer Chandravanshi 36861e9e2be3SAdheer Chandravanshi fw_ddb_entry->iscsi_max_outsnd_r2t = cpu_to_le16(sess->max_r2t); 36871e9e2be3SAdheer Chandravanshi fw_ddb_entry->iscsi_max_rcv_data_seg_len = 36881e9e2be3SAdheer Chandravanshi cpu_to_le16(conn->max_recv_dlength / BYTE_UNITS); 36891e9e2be3SAdheer Chandravanshi fw_ddb_entry->iscsi_max_snd_data_seg_len = 36901e9e2be3SAdheer Chandravanshi cpu_to_le16(conn->max_xmit_dlength / BYTE_UNITS); 36911e9e2be3SAdheer Chandravanshi fw_ddb_entry->iscsi_first_burst_len = 36921e9e2be3SAdheer Chandravanshi cpu_to_le16(sess->first_burst / BYTE_UNITS); 36931e9e2be3SAdheer Chandravanshi fw_ddb_entry->iscsi_max_burst_len = cpu_to_le16(sess->max_burst / 36941e9e2be3SAdheer Chandravanshi BYTE_UNITS); 36951e9e2be3SAdheer Chandravanshi fw_ddb_entry->iscsi_def_time2wait = cpu_to_le16(sess->time2wait); 36961e9e2be3SAdheer Chandravanshi fw_ddb_entry->iscsi_def_time2retain = cpu_to_le16(sess->time2retain); 36971e9e2be3SAdheer Chandravanshi fw_ddb_entry->tgt_portal_grp = cpu_to_le16(sess->tpgt); 36981e9e2be3SAdheer Chandravanshi fw_ddb_entry->mss = cpu_to_le16(conn->max_segment_size); 3699fbcd4836SAdheer Chandravanshi fw_ddb_entry->tcp_xmt_wsf = (uint8_t) cpu_to_le32(conn->tcp_xmit_wsf); 3700fbcd4836SAdheer Chandravanshi fw_ddb_entry->tcp_rcv_wsf = (uint8_t) cpu_to_le32(conn->tcp_recv_wsf); 37011e9e2be3SAdheer Chandravanshi fw_ddb_entry->ipv6_flow_lbl = cpu_to_le16(conn->ipv6_flow_label); 37021e9e2be3SAdheer Chandravanshi fw_ddb_entry->ka_timeout = cpu_to_le16(conn->keepalive_timeout); 37031e9e2be3SAdheer Chandravanshi fw_ddb_entry->lcl_port = cpu_to_le16(conn->local_port); 3704fbcd4836SAdheer Chandravanshi fw_ddb_entry->stat_sn = cpu_to_le32(conn->statsn); 3705fbcd4836SAdheer Chandravanshi fw_ddb_entry->exp_stat_sn = cpu_to_le32(conn->exp_statsn); 370665560166SAdheer Chandravanshi fw_ddb_entry->ddb_link = cpu_to_le16(sess->discovery_parent_idx); 37071e9e2be3SAdheer Chandravanshi fw_ddb_entry->chap_tbl_idx = cpu_to_le16(sess->chap_out_idx); 37081e9e2be3SAdheer Chandravanshi fw_ddb_entry->tsid = cpu_to_le16(sess->tsid); 37091e9e2be3SAdheer Chandravanshi fw_ddb_entry->port = cpu_to_le16(conn->port); 37101e9e2be3SAdheer Chandravanshi fw_ddb_entry->def_timeout = 37111e9e2be3SAdheer Chandravanshi cpu_to_le16(sess->default_taskmgmt_timeout); 37121e9e2be3SAdheer Chandravanshi 371384595802SAdheer Chandravanshi if (!strncmp(sess->portal_type, PORTAL_TYPE_IPV6, 4)) 371484595802SAdheer Chandravanshi fw_ddb_entry->ipv4_tos = conn->ipv6_traffic_class; 371584595802SAdheer Chandravanshi else 371684595802SAdheer Chandravanshi fw_ddb_entry->ipv4_tos = conn->ipv4_tos; 371784595802SAdheer Chandravanshi 37181e9e2be3SAdheer Chandravanshi if (conn->ipaddress) 37191e9e2be3SAdheer Chandravanshi memcpy(fw_ddb_entry->ip_addr, conn->ipaddress, 37201e9e2be3SAdheer Chandravanshi sizeof(fw_ddb_entry->ip_addr)); 37211e9e2be3SAdheer Chandravanshi 37221e9e2be3SAdheer Chandravanshi if (conn->redirect_ipaddr) 37231e9e2be3SAdheer Chandravanshi memcpy(fw_ddb_entry->tgt_addr, conn->redirect_ipaddr, 37241e9e2be3SAdheer Chandravanshi sizeof(fw_ddb_entry->tgt_addr)); 37251e9e2be3SAdheer Chandravanshi 37261e9e2be3SAdheer Chandravanshi if (conn->link_local_ipv6_addr) 37271e9e2be3SAdheer Chandravanshi memcpy(fw_ddb_entry->link_local_ipv6_addr, 37281e9e2be3SAdheer Chandravanshi conn->link_local_ipv6_addr, 37291e9e2be3SAdheer Chandravanshi sizeof(fw_ddb_entry->link_local_ipv6_addr)); 37301e9e2be3SAdheer Chandravanshi 37311e9e2be3SAdheer Chandravanshi if (sess->targetname) 37321e9e2be3SAdheer Chandravanshi memcpy(fw_ddb_entry->iscsi_name, sess->targetname, 37331e9e2be3SAdheer Chandravanshi sizeof(fw_ddb_entry->iscsi_name)); 37341e9e2be3SAdheer Chandravanshi 37351e9e2be3SAdheer Chandravanshi if (sess->targetalias) 37361e9e2be3SAdheer Chandravanshi memcpy(fw_ddb_entry->iscsi_alias, sess->targetalias, 37371e9e2be3SAdheer Chandravanshi sizeof(fw_ddb_entry->iscsi_alias)); 37381e9e2be3SAdheer Chandravanshi 37391e9e2be3SAdheer Chandravanshi COPY_ISID(fw_ddb_entry->isid, sess->isid); 37401e9e2be3SAdheer Chandravanshi 37411e9e2be3SAdheer Chandravanshi return rc; 37421e9e2be3SAdheer Chandravanshi } 37431e9e2be3SAdheer Chandravanshi 37448cc91d42SAdheer Chandravanshi static void qla4xxx_copy_to_sess_conn_params(struct iscsi_conn *conn, 37458cc91d42SAdheer Chandravanshi struct iscsi_session *sess, 37468cc91d42SAdheer Chandravanshi struct dev_db_entry *fw_ddb_entry) 37478cc91d42SAdheer Chandravanshi { 37488cc91d42SAdheer Chandravanshi unsigned long options = 0; 37498cc91d42SAdheer Chandravanshi uint16_t ddb_link; 37508cc91d42SAdheer Chandravanshi uint16_t disc_parent; 3751fb734ee3SAdheer Chandravanshi char ip_addr[DDB_IPADDR_LEN]; 37528cc91d42SAdheer Chandravanshi 37538cc91d42SAdheer Chandravanshi options = le16_to_cpu(fw_ddb_entry->options); 37548cc91d42SAdheer Chandravanshi conn->is_fw_assigned_ipv6 = test_bit(OPT_IS_FW_ASSIGNED_IPV6, &options); 37558cc91d42SAdheer Chandravanshi sess->auto_snd_tgt_disable = test_bit(OPT_AUTO_SENDTGTS_DISABLE, 37568cc91d42SAdheer Chandravanshi &options); 37578cc91d42SAdheer Chandravanshi sess->discovery_sess = test_bit(OPT_DISC_SESSION, &options); 37588cc91d42SAdheer Chandravanshi 37598cc91d42SAdheer Chandravanshi options = le16_to_cpu(fw_ddb_entry->iscsi_options); 37608cc91d42SAdheer Chandravanshi conn->hdrdgst_en = test_bit(ISCSIOPT_HEADER_DIGEST_EN, &options); 37618cc91d42SAdheer Chandravanshi conn->datadgst_en = test_bit(ISCSIOPT_DATA_DIGEST_EN, &options); 37628cc91d42SAdheer Chandravanshi sess->imm_data_en = test_bit(ISCSIOPT_IMMEDIATE_DATA_EN, &options); 37638cc91d42SAdheer Chandravanshi sess->initial_r2t_en = test_bit(ISCSIOPT_INITIAL_R2T_EN, &options); 37648cc91d42SAdheer Chandravanshi sess->dataseq_inorder_en = test_bit(ISCSIOPT_DATA_SEQ_IN_ORDER, 37658cc91d42SAdheer Chandravanshi &options); 37668cc91d42SAdheer Chandravanshi sess->pdu_inorder_en = test_bit(ISCSIOPT_DATA_PDU_IN_ORDER, &options); 37678cc91d42SAdheer Chandravanshi sess->chap_auth_en = test_bit(ISCSIOPT_CHAP_AUTH_EN, &options); 37688cc91d42SAdheer Chandravanshi sess->discovery_logout_en = test_bit(ISCSIOPT_DISCOVERY_LOGOUT_EN, 37698cc91d42SAdheer Chandravanshi &options); 37708cc91d42SAdheer Chandravanshi sess->bidi_chap_en = test_bit(ISCSIOPT_BIDI_CHAP_EN, &options); 37718cc91d42SAdheer Chandravanshi sess->discovery_auth_optional = 37728cc91d42SAdheer Chandravanshi test_bit(ISCSIOPT_DISCOVERY_AUTH_OPTIONAL, &options); 37738cc91d42SAdheer Chandravanshi if (test_bit(ISCSIOPT_ERL1, &options)) 37748cc91d42SAdheer Chandravanshi sess->erl |= BIT_1; 37758cc91d42SAdheer Chandravanshi if (test_bit(ISCSIOPT_ERL0, &options)) 37768cc91d42SAdheer Chandravanshi sess->erl |= BIT_0; 37778cc91d42SAdheer Chandravanshi 37788cc91d42SAdheer Chandravanshi options = le16_to_cpu(fw_ddb_entry->tcp_options); 37798cc91d42SAdheer Chandravanshi conn->tcp_timestamp_stat = test_bit(TCPOPT_TIMESTAMP_STAT, &options); 37808cc91d42SAdheer Chandravanshi conn->tcp_nagle_disable = test_bit(TCPOPT_NAGLE_DISABLE, &options); 37818cc91d42SAdheer Chandravanshi conn->tcp_wsf_disable = test_bit(TCPOPT_WSF_DISABLE, &options); 37828cc91d42SAdheer Chandravanshi if (test_bit(TCPOPT_TIMER_SCALE3, &options)) 37838cc91d42SAdheer Chandravanshi conn->tcp_timer_scale |= BIT_3; 37848cc91d42SAdheer Chandravanshi if (test_bit(TCPOPT_TIMER_SCALE2, &options)) 37858cc91d42SAdheer Chandravanshi conn->tcp_timer_scale |= BIT_2; 37868cc91d42SAdheer Chandravanshi if (test_bit(TCPOPT_TIMER_SCALE1, &options)) 37878cc91d42SAdheer Chandravanshi conn->tcp_timer_scale |= BIT_1; 37888cc91d42SAdheer Chandravanshi 37898cc91d42SAdheer Chandravanshi conn->tcp_timer_scale >>= 1; 37908cc91d42SAdheer Chandravanshi conn->tcp_timestamp_en = test_bit(TCPOPT_TIMESTAMP_EN, &options); 37918cc91d42SAdheer Chandravanshi 37928cc91d42SAdheer Chandravanshi options = le16_to_cpu(fw_ddb_entry->ip_options); 37938cc91d42SAdheer Chandravanshi conn->fragment_disable = test_bit(IPOPT_FRAGMENT_DISABLE, &options); 37948cc91d42SAdheer Chandravanshi 37958cc91d42SAdheer Chandravanshi conn->max_recv_dlength = BYTE_UNITS * 37968cc91d42SAdheer Chandravanshi le16_to_cpu(fw_ddb_entry->iscsi_max_rcv_data_seg_len); 37978cc91d42SAdheer Chandravanshi conn->max_xmit_dlength = BYTE_UNITS * 37988cc91d42SAdheer Chandravanshi le16_to_cpu(fw_ddb_entry->iscsi_max_snd_data_seg_len); 37998cc91d42SAdheer Chandravanshi sess->max_r2t = le16_to_cpu(fw_ddb_entry->iscsi_max_outsnd_r2t); 38008cc91d42SAdheer Chandravanshi sess->first_burst = BYTE_UNITS * 38018cc91d42SAdheer Chandravanshi le16_to_cpu(fw_ddb_entry->iscsi_first_burst_len); 38028cc91d42SAdheer Chandravanshi sess->max_burst = BYTE_UNITS * 38038cc91d42SAdheer Chandravanshi le16_to_cpu(fw_ddb_entry->iscsi_max_burst_len); 38048cc91d42SAdheer Chandravanshi sess->time2wait = le16_to_cpu(fw_ddb_entry->iscsi_def_time2wait); 38058cc91d42SAdheer Chandravanshi sess->time2retain = le16_to_cpu(fw_ddb_entry->iscsi_def_time2retain); 38068cc91d42SAdheer Chandravanshi sess->tpgt = le32_to_cpu(fw_ddb_entry->tgt_portal_grp); 38078cc91d42SAdheer Chandravanshi conn->max_segment_size = le16_to_cpu(fw_ddb_entry->mss); 38088cc91d42SAdheer Chandravanshi conn->tcp_xmit_wsf = fw_ddb_entry->tcp_xmt_wsf; 38098cc91d42SAdheer Chandravanshi conn->tcp_recv_wsf = fw_ddb_entry->tcp_rcv_wsf; 38108cc91d42SAdheer Chandravanshi conn->ipv4_tos = fw_ddb_entry->ipv4_tos; 38118cc91d42SAdheer Chandravanshi conn->keepalive_tmo = le16_to_cpu(fw_ddb_entry->ka_timeout); 38128cc91d42SAdheer Chandravanshi conn->local_port = le16_to_cpu(fw_ddb_entry->lcl_port); 38138cc91d42SAdheer Chandravanshi conn->statsn = le32_to_cpu(fw_ddb_entry->stat_sn); 38148cc91d42SAdheer Chandravanshi conn->exp_statsn = le32_to_cpu(fw_ddb_entry->exp_stat_sn); 38158cc91d42SAdheer Chandravanshi sess->tsid = le16_to_cpu(fw_ddb_entry->tsid); 38168cc91d42SAdheer Chandravanshi COPY_ISID(sess->isid, fw_ddb_entry->isid); 38178cc91d42SAdheer Chandravanshi 38188cc91d42SAdheer Chandravanshi ddb_link = le16_to_cpu(fw_ddb_entry->ddb_link); 38198cc91d42SAdheer Chandravanshi if (ddb_link == DDB_ISNS) 38208cc91d42SAdheer Chandravanshi disc_parent = ISCSI_DISC_PARENT_ISNS; 38218cc91d42SAdheer Chandravanshi else if (ddb_link == DDB_NO_LINK) 38228cc91d42SAdheer Chandravanshi disc_parent = ISCSI_DISC_PARENT_UNKNOWN; 38238cc91d42SAdheer Chandravanshi else if (ddb_link < MAX_DDB_ENTRIES) 38248cc91d42SAdheer Chandravanshi disc_parent = ISCSI_DISC_PARENT_SENDTGT; 38258cc91d42SAdheer Chandravanshi else 38268cc91d42SAdheer Chandravanshi disc_parent = ISCSI_DISC_PARENT_UNKNOWN; 38278cc91d42SAdheer Chandravanshi 38288cc91d42SAdheer Chandravanshi iscsi_set_param(conn->cls_conn, ISCSI_PARAM_DISCOVERY_PARENT_TYPE, 38298cc91d42SAdheer Chandravanshi iscsi_get_discovery_parent_name(disc_parent), 0); 38308cc91d42SAdheer Chandravanshi 38318cc91d42SAdheer Chandravanshi iscsi_set_param(conn->cls_conn, ISCSI_PARAM_TARGET_ALIAS, 38328cc91d42SAdheer Chandravanshi (char *)fw_ddb_entry->iscsi_alias, 0); 3833fb734ee3SAdheer Chandravanshi 3834fb734ee3SAdheer Chandravanshi options = le16_to_cpu(fw_ddb_entry->options); 3835fb734ee3SAdheer Chandravanshi if (options & DDB_OPT_IPV6_DEVICE) { 3836fb734ee3SAdheer Chandravanshi memset(ip_addr, 0, sizeof(ip_addr)); 3837fb734ee3SAdheer Chandravanshi sprintf(ip_addr, "%pI6", fw_ddb_entry->link_local_ipv6_addr); 3838fb734ee3SAdheer Chandravanshi iscsi_set_param(conn->cls_conn, ISCSI_PARAM_LOCAL_IPADDR, 3839fb734ee3SAdheer Chandravanshi (char *)ip_addr, 0); 3840fb734ee3SAdheer Chandravanshi } 38418cc91d42SAdheer Chandravanshi } 38428cc91d42SAdheer Chandravanshi 384313483730SMike Christie static void qla4xxx_copy_fwddb_param(struct scsi_qla_host *ha, 384413483730SMike Christie struct dev_db_entry *fw_ddb_entry, 384513483730SMike Christie struct iscsi_cls_session *cls_sess, 384613483730SMike Christie struct iscsi_cls_conn *cls_conn) 384713483730SMike Christie { 384813483730SMike Christie int buflen = 0; 384913483730SMike Christie struct iscsi_session *sess; 3850376738afSNilesh Javali struct ddb_entry *ddb_entry; 3851946ac571SAdheer Chandravanshi struct ql4_chap_table chap_tbl; 385213483730SMike Christie struct iscsi_conn *conn; 385313483730SMike Christie char ip_addr[DDB_IPADDR_LEN]; 385413483730SMike Christie uint16_t options = 0; 385513483730SMike Christie 385613483730SMike Christie sess = cls_sess->dd_data; 3857376738afSNilesh Javali ddb_entry = sess->dd_data; 385813483730SMike Christie conn = cls_conn->dd_data; 3859946ac571SAdheer Chandravanshi memset(&chap_tbl, 0, sizeof(chap_tbl)); 386013483730SMike Christie 3861376738afSNilesh Javali ddb_entry->chap_tbl_idx = le16_to_cpu(fw_ddb_entry->chap_tbl_idx); 3862376738afSNilesh Javali 38638cc91d42SAdheer Chandravanshi qla4xxx_copy_to_sess_conn_params(conn, sess, fw_ddb_entry); 386413483730SMike Christie 38658cc91d42SAdheer Chandravanshi sess->def_taskmgmt_tmo = le16_to_cpu(fw_ddb_entry->def_timeout); 386613483730SMike Christie conn->persistent_port = le16_to_cpu(fw_ddb_entry->port); 386713483730SMike Christie 38688cc91d42SAdheer Chandravanshi memset(ip_addr, 0, sizeof(ip_addr)); 386913483730SMike Christie options = le16_to_cpu(fw_ddb_entry->options); 38708cc91d42SAdheer Chandravanshi if (options & DDB_OPT_IPV6_DEVICE) { 38718cc91d42SAdheer Chandravanshi iscsi_set_param(cls_conn, ISCSI_PARAM_PORTAL_TYPE, "ipv6", 4); 387213483730SMike Christie 38738cc91d42SAdheer Chandravanshi memset(ip_addr, 0, sizeof(ip_addr)); 38748cc91d42SAdheer Chandravanshi sprintf(ip_addr, "%pI6", fw_ddb_entry->ip_addr); 38758cc91d42SAdheer Chandravanshi } else { 38768cc91d42SAdheer Chandravanshi iscsi_set_param(cls_conn, ISCSI_PARAM_PORTAL_TYPE, "ipv4", 4); 38778cc91d42SAdheer Chandravanshi sprintf(ip_addr, "%pI4", fw_ddb_entry->ip_addr); 38788cc91d42SAdheer Chandravanshi } 38798cc91d42SAdheer Chandravanshi 38808cc91d42SAdheer Chandravanshi iscsi_set_param(cls_conn, ISCSI_PARAM_PERSISTENT_ADDRESS, 38818cc91d42SAdheer Chandravanshi (char *)ip_addr, buflen); 388213483730SMike Christie iscsi_set_param(cls_conn, ISCSI_PARAM_TARGET_NAME, 388313483730SMike Christie (char *)fw_ddb_entry->iscsi_name, buflen); 388413483730SMike Christie iscsi_set_param(cls_conn, ISCSI_PARAM_INITIATOR_NAME, 388513483730SMike Christie (char *)ha->name_string, buflen); 3886946ac571SAdheer Chandravanshi 3887946ac571SAdheer Chandravanshi if (ddb_entry->chap_tbl_idx != INVALID_ENTRY) { 3888946ac571SAdheer Chandravanshi if (!qla4xxx_get_uni_chap_at_index(ha, chap_tbl.name, 3889946ac571SAdheer Chandravanshi chap_tbl.secret, 3890946ac571SAdheer Chandravanshi ddb_entry->chap_tbl_idx)) { 3891946ac571SAdheer Chandravanshi iscsi_set_param(cls_conn, ISCSI_PARAM_USERNAME, 3892946ac571SAdheer Chandravanshi (char *)chap_tbl.name, 3893946ac571SAdheer Chandravanshi strlen((char *)chap_tbl.name)); 3894946ac571SAdheer Chandravanshi iscsi_set_param(cls_conn, ISCSI_PARAM_PASSWORD, 3895946ac571SAdheer Chandravanshi (char *)chap_tbl.secret, 3896946ac571SAdheer Chandravanshi chap_tbl.secret_len); 3897946ac571SAdheer Chandravanshi } 3898946ac571SAdheer Chandravanshi } 389913483730SMike Christie } 390013483730SMike Christie 390113483730SMike Christie void qla4xxx_update_session_conn_fwddb_param(struct scsi_qla_host *ha, 390213483730SMike Christie struct ddb_entry *ddb_entry) 390313483730SMike Christie { 390413483730SMike Christie struct iscsi_cls_session *cls_sess; 390513483730SMike Christie struct iscsi_cls_conn *cls_conn; 390613483730SMike Christie uint32_t ddb_state; 390713483730SMike Christie dma_addr_t fw_ddb_entry_dma; 390813483730SMike Christie struct dev_db_entry *fw_ddb_entry; 390913483730SMike Christie 391013483730SMike Christie fw_ddb_entry = dma_alloc_coherent(&ha->pdev->dev, sizeof(*fw_ddb_entry), 391113483730SMike Christie &fw_ddb_entry_dma, GFP_KERNEL); 391213483730SMike Christie if (!fw_ddb_entry) { 391313483730SMike Christie ql4_printk(KERN_ERR, ha, 391413483730SMike Christie "%s: Unable to allocate dma buffer\n", __func__); 391513483730SMike Christie goto exit_session_conn_fwddb_param; 391613483730SMike Christie } 391713483730SMike Christie 391813483730SMike Christie if (qla4xxx_get_fwddb_entry(ha, ddb_entry->fw_ddb_index, fw_ddb_entry, 391913483730SMike Christie fw_ddb_entry_dma, NULL, NULL, &ddb_state, 392013483730SMike Christie NULL, NULL, NULL) == QLA_ERROR) { 392113483730SMike Christie DEBUG2(ql4_printk(KERN_ERR, ha, "scsi%ld: %s: failed " 392213483730SMike Christie "get_ddb_entry for fw_ddb_index %d\n", 392313483730SMike Christie ha->host_no, __func__, 392413483730SMike Christie ddb_entry->fw_ddb_index)); 392513483730SMike Christie goto exit_session_conn_fwddb_param; 392613483730SMike Christie } 392713483730SMike Christie 392813483730SMike Christie cls_sess = ddb_entry->sess; 392913483730SMike Christie 393013483730SMike Christie cls_conn = ddb_entry->conn; 393113483730SMike Christie 393213483730SMike Christie /* Update params */ 393313483730SMike Christie qla4xxx_copy_fwddb_param(ha, fw_ddb_entry, cls_sess, cls_conn); 393413483730SMike Christie 393513483730SMike Christie exit_session_conn_fwddb_param: 393613483730SMike Christie if (fw_ddb_entry) 393713483730SMike Christie dma_free_coherent(&ha->pdev->dev, sizeof(*fw_ddb_entry), 393813483730SMike Christie fw_ddb_entry, fw_ddb_entry_dma); 393913483730SMike Christie } 394013483730SMike Christie 3941b3a271a9SManish Rangankar void qla4xxx_update_session_conn_param(struct scsi_qla_host *ha, 3942b3a271a9SManish Rangankar struct ddb_entry *ddb_entry) 3943b3a271a9SManish Rangankar { 3944b3a271a9SManish Rangankar struct iscsi_cls_session *cls_sess; 3945b3a271a9SManish Rangankar struct iscsi_cls_conn *cls_conn; 3946b3a271a9SManish Rangankar struct iscsi_session *sess; 3947b3a271a9SManish Rangankar struct iscsi_conn *conn; 3948b3a271a9SManish Rangankar uint32_t ddb_state; 3949b3a271a9SManish Rangankar dma_addr_t fw_ddb_entry_dma; 3950b3a271a9SManish Rangankar struct dev_db_entry *fw_ddb_entry; 3951b3a271a9SManish Rangankar 3952b3a271a9SManish Rangankar fw_ddb_entry = dma_alloc_coherent(&ha->pdev->dev, sizeof(*fw_ddb_entry), 3953b3a271a9SManish Rangankar &fw_ddb_entry_dma, GFP_KERNEL); 3954b3a271a9SManish Rangankar if (!fw_ddb_entry) { 3955b3a271a9SManish Rangankar ql4_printk(KERN_ERR, ha, 3956b3a271a9SManish Rangankar "%s: Unable to allocate dma buffer\n", __func__); 395713483730SMike Christie goto exit_session_conn_param; 3958b3a271a9SManish Rangankar } 3959b3a271a9SManish Rangankar 3960b3a271a9SManish Rangankar if (qla4xxx_get_fwddb_entry(ha, ddb_entry->fw_ddb_index, fw_ddb_entry, 3961b3a271a9SManish Rangankar fw_ddb_entry_dma, NULL, NULL, &ddb_state, 3962b3a271a9SManish Rangankar NULL, NULL, NULL) == QLA_ERROR) { 3963b3a271a9SManish Rangankar DEBUG2(ql4_printk(KERN_ERR, ha, "scsi%ld: %s: failed " 3964b3a271a9SManish Rangankar "get_ddb_entry for fw_ddb_index %d\n", 3965b3a271a9SManish Rangankar ha->host_no, __func__, 3966b3a271a9SManish Rangankar ddb_entry->fw_ddb_index)); 396713483730SMike Christie goto exit_session_conn_param; 3968b3a271a9SManish Rangankar } 3969b3a271a9SManish Rangankar 3970b3a271a9SManish Rangankar cls_sess = ddb_entry->sess; 3971b3a271a9SManish Rangankar sess = cls_sess->dd_data; 3972b3a271a9SManish Rangankar 3973b3a271a9SManish Rangankar cls_conn = ddb_entry->conn; 3974b3a271a9SManish Rangankar conn = cls_conn->dd_data; 3975b3a271a9SManish Rangankar 397613483730SMike Christie /* Update timers after login */ 397713483730SMike Christie ddb_entry->default_relogin_timeout = 3978c28eaacaSNilesh Javali (le16_to_cpu(fw_ddb_entry->def_timeout) > LOGIN_TOV) && 3979c28eaacaSNilesh Javali (le16_to_cpu(fw_ddb_entry->def_timeout) < LOGIN_TOV * 10) ? 3980c28eaacaSNilesh Javali le16_to_cpu(fw_ddb_entry->def_timeout) : LOGIN_TOV; 398113483730SMike Christie ddb_entry->default_time2wait = 398213483730SMike Christie le16_to_cpu(fw_ddb_entry->iscsi_def_time2wait); 398313483730SMike Christie 3984b3a271a9SManish Rangankar /* Update params */ 3985376738afSNilesh Javali ddb_entry->chap_tbl_idx = le16_to_cpu(fw_ddb_entry->chap_tbl_idx); 39868cc91d42SAdheer Chandravanshi qla4xxx_copy_to_sess_conn_params(conn, sess, fw_ddb_entry); 3987b3a271a9SManish Rangankar 3988b3a271a9SManish Rangankar memcpy(sess->initiatorname, ha->name_string, 3989b3a271a9SManish Rangankar min(sizeof(ha->name_string), sizeof(sess->initiatorname))); 399013483730SMike Christie 399113483730SMike Christie exit_session_conn_param: 399213483730SMike Christie if (fw_ddb_entry) 399313483730SMike Christie dma_free_coherent(&ha->pdev->dev, sizeof(*fw_ddb_entry), 399413483730SMike Christie fw_ddb_entry, fw_ddb_entry_dma); 3995b3a271a9SManish Rangankar } 3996b3a271a9SManish Rangankar 3997afaf5a2dSDavid Somayajulu /* 3998afaf5a2dSDavid Somayajulu * Timer routines 3999afaf5a2dSDavid Somayajulu */ 4000d744644aSKees Cook static void qla4xxx_timer(struct timer_list *t); 4001afaf5a2dSDavid Somayajulu 4002d744644aSKees Cook static void qla4xxx_start_timer(struct scsi_qla_host *ha, 4003afaf5a2dSDavid Somayajulu unsigned long interval) 4004afaf5a2dSDavid Somayajulu { 4005afaf5a2dSDavid Somayajulu DEBUG(printk("scsi: %s: Starting timer thread for adapter %d\n", 4006afaf5a2dSDavid Somayajulu __func__, ha->host->host_no)); 4007d744644aSKees Cook timer_setup(&ha->timer, qla4xxx_timer, 0); 4008afaf5a2dSDavid Somayajulu ha->timer.expires = jiffies + interval * HZ; 4009afaf5a2dSDavid Somayajulu add_timer(&ha->timer); 4010afaf5a2dSDavid Somayajulu ha->timer_active = 1; 4011afaf5a2dSDavid Somayajulu } 4012afaf5a2dSDavid Somayajulu 4013afaf5a2dSDavid Somayajulu static void qla4xxx_stop_timer(struct scsi_qla_host *ha) 4014afaf5a2dSDavid Somayajulu { 4015afaf5a2dSDavid Somayajulu del_timer_sync(&ha->timer); 4016afaf5a2dSDavid Somayajulu ha->timer_active = 0; 4017afaf5a2dSDavid Somayajulu } 4018afaf5a2dSDavid Somayajulu 4019afaf5a2dSDavid Somayajulu /*** 4020b3a271a9SManish Rangankar * qla4xxx_mark_device_missing - blocks the session 4021b3a271a9SManish Rangankar * @cls_session: Pointer to the session to be blocked 4022afaf5a2dSDavid Somayajulu * @ddb_entry: Pointer to device database entry 4023afaf5a2dSDavid Somayajulu * 4024f4f5df23SVikas Chaudhary * This routine marks a device missing and close connection. 4025afaf5a2dSDavid Somayajulu **/ 4026b3a271a9SManish Rangankar void qla4xxx_mark_device_missing(struct iscsi_cls_session *cls_session) 4027afaf5a2dSDavid Somayajulu { 4028b3a271a9SManish Rangankar iscsi_block_session(cls_session); 4029afaf5a2dSDavid Somayajulu } 4030afaf5a2dSDavid Somayajulu 4031f4f5df23SVikas Chaudhary /** 4032f4f5df23SVikas Chaudhary * qla4xxx_mark_all_devices_missing - mark all devices as missing. 4033f4f5df23SVikas Chaudhary * @ha: Pointer to host adapter structure. 4034f4f5df23SVikas Chaudhary * 4035f4f5df23SVikas Chaudhary * This routine marks a device missing and resets the relogin retry count. 4036f4f5df23SVikas Chaudhary **/ 4037f4f5df23SVikas Chaudhary void qla4xxx_mark_all_devices_missing(struct scsi_qla_host *ha) 4038f4f5df23SVikas Chaudhary { 4039b3a271a9SManish Rangankar iscsi_host_for_each_session(ha->host, qla4xxx_mark_device_missing); 4040f4f5df23SVikas Chaudhary } 4041f4f5df23SVikas Chaudhary 4042afaf5a2dSDavid Somayajulu static struct srb* qla4xxx_get_new_srb(struct scsi_qla_host *ha, 4043afaf5a2dSDavid Somayajulu struct ddb_entry *ddb_entry, 40448f0722caSVikas Chaudhary struct scsi_cmnd *cmd) 4045afaf5a2dSDavid Somayajulu { 4046afaf5a2dSDavid Somayajulu struct srb *srb; 4047afaf5a2dSDavid Somayajulu 4048afaf5a2dSDavid Somayajulu srb = mempool_alloc(ha->srb_mempool, GFP_ATOMIC); 4049afaf5a2dSDavid Somayajulu if (!srb) 4050afaf5a2dSDavid Somayajulu return srb; 4051afaf5a2dSDavid Somayajulu 405209a0f719SVikas Chaudhary kref_init(&srb->srb_ref); 4053afaf5a2dSDavid Somayajulu srb->ha = ha; 4054afaf5a2dSDavid Somayajulu srb->ddb = ddb_entry; 4055afaf5a2dSDavid Somayajulu srb->cmd = cmd; 4056afaf5a2dSDavid Somayajulu srb->flags = 0; 40575369887aSVikas Chaudhary CMD_SP(cmd) = (void *)srb; 4058afaf5a2dSDavid Somayajulu 4059afaf5a2dSDavid Somayajulu return srb; 4060afaf5a2dSDavid Somayajulu } 4061afaf5a2dSDavid Somayajulu 4062afaf5a2dSDavid Somayajulu static void qla4xxx_srb_free_dma(struct scsi_qla_host *ha, struct srb *srb) 4063afaf5a2dSDavid Somayajulu { 4064afaf5a2dSDavid Somayajulu struct scsi_cmnd *cmd = srb->cmd; 4065afaf5a2dSDavid Somayajulu 4066afaf5a2dSDavid Somayajulu if (srb->flags & SRB_DMA_VALID) { 40675f7186c8SFUJITA Tomonori scsi_dma_unmap(cmd); 4068afaf5a2dSDavid Somayajulu srb->flags &= ~SRB_DMA_VALID; 4069afaf5a2dSDavid Somayajulu } 40705369887aSVikas Chaudhary CMD_SP(cmd) = NULL; 4071afaf5a2dSDavid Somayajulu } 4072afaf5a2dSDavid Somayajulu 407309a0f719SVikas Chaudhary void qla4xxx_srb_compl(struct kref *ref) 4074afaf5a2dSDavid Somayajulu { 407509a0f719SVikas Chaudhary struct srb *srb = container_of(ref, struct srb, srb_ref); 4076afaf5a2dSDavid Somayajulu struct scsi_cmnd *cmd = srb->cmd; 407709a0f719SVikas Chaudhary struct scsi_qla_host *ha = srb->ha; 4078afaf5a2dSDavid Somayajulu 4079afaf5a2dSDavid Somayajulu qla4xxx_srb_free_dma(ha, srb); 4080afaf5a2dSDavid Somayajulu 4081afaf5a2dSDavid Somayajulu mempool_free(srb, ha->srb_mempool); 4082afaf5a2dSDavid Somayajulu 4083*fdcfbd65SBart Van Assche scsi_done(cmd); 4084afaf5a2dSDavid Somayajulu } 4085afaf5a2dSDavid Somayajulu 4086afaf5a2dSDavid Somayajulu /** 4087afaf5a2dSDavid Somayajulu * qla4xxx_queuecommand - scsi layer issues scsi command to driver. 40888f0722caSVikas Chaudhary * @host: scsi host 4089afaf5a2dSDavid Somayajulu * @cmd: Pointer to Linux's SCSI command structure 4090afaf5a2dSDavid Somayajulu * 4091afaf5a2dSDavid Somayajulu * Remarks: 4092afaf5a2dSDavid Somayajulu * This routine is invoked by Linux to send a SCSI command to the driver. 4093afaf5a2dSDavid Somayajulu * The mid-level driver tries to ensure that queuecommand never gets 4094afaf5a2dSDavid Somayajulu * invoked concurrently with itself or the interrupt handler (although 4095afaf5a2dSDavid Somayajulu * the interrupt handler may call this routine as part of request- 4096afaf5a2dSDavid Somayajulu * completion handling). Unfortunely, it sometimes calls the scheduler 4097afaf5a2dSDavid Somayajulu * in interrupt context which is a big NO! NO!. 4098afaf5a2dSDavid Somayajulu **/ 40998f0722caSVikas Chaudhary static int qla4xxx_queuecommand(struct Scsi_Host *host, struct scsi_cmnd *cmd) 4100afaf5a2dSDavid Somayajulu { 41018f0722caSVikas Chaudhary struct scsi_qla_host *ha = to_qla_host(host); 4102afaf5a2dSDavid Somayajulu struct ddb_entry *ddb_entry = cmd->device->hostdata; 41037fb1921bSMike Christie struct iscsi_cls_session *sess = ddb_entry->sess; 4104afaf5a2dSDavid Somayajulu struct srb *srb; 4105afaf5a2dSDavid Somayajulu int rval; 4106afaf5a2dSDavid Somayajulu 41072232be0dSLalit Chandivade if (test_bit(AF_EEH_BUSY, &ha->flags)) { 41082232be0dSLalit Chandivade if (test_bit(AF_PCI_CHANNEL_IO_PERM_FAILURE, &ha->flags)) 41092232be0dSLalit Chandivade cmd->result = DID_NO_CONNECT << 16; 41102232be0dSLalit Chandivade else 41112232be0dSLalit Chandivade cmd->result = DID_REQUEUE << 16; 41122232be0dSLalit Chandivade goto qc_fail_command; 41132232be0dSLalit Chandivade } 41142232be0dSLalit Chandivade 41157fb1921bSMike Christie if (!sess) { 41167fb1921bSMike Christie cmd->result = DID_IMM_RETRY << 16; 41177fb1921bSMike Christie goto qc_fail_command; 41187fb1921bSMike Christie } 41197fb1921bSMike Christie 41207fb1921bSMike Christie rval = iscsi_session_chkready(sess); 41217fb1921bSMike Christie if (rval) { 41227fb1921bSMike Christie cmd->result = rval; 41237fb1921bSMike Christie goto qc_fail_command; 41247fb1921bSMike Christie } 41257fb1921bSMike Christie 4126f4f5df23SVikas Chaudhary if (test_bit(DPC_RESET_HA_INTR, &ha->dpc_flags) || 4127f4f5df23SVikas Chaudhary test_bit(DPC_RESET_ACTIVE, &ha->dpc_flags) || 4128f4f5df23SVikas Chaudhary test_bit(DPC_RESET_HA, &ha->dpc_flags) || 4129f4f5df23SVikas Chaudhary test_bit(DPC_HA_UNRECOVERABLE, &ha->dpc_flags) || 4130f4f5df23SVikas Chaudhary test_bit(DPC_HA_NEED_QUIESCENT, &ha->dpc_flags) || 4131f4f5df23SVikas Chaudhary !test_bit(AF_ONLINE, &ha->flags) || 4132b3a271a9SManish Rangankar !test_bit(AF_LINK_UP, &ha->flags) || 4133026fbd3aSNilesh Javali test_bit(AF_LOOPBACK, &ha->flags) || 41347ab284c9SNilesh Javali test_bit(DPC_POST_IDC_ACK, &ha->dpc_flags) || 41357ab284c9SNilesh Javali test_bit(DPC_RESTORE_ACB, &ha->dpc_flags) || 4136f4f5df23SVikas Chaudhary test_bit(DPC_RESET_HA_FW_CONTEXT, &ha->dpc_flags)) 4137477ffb9dSDavid C Somayajulu goto qc_host_busy; 4138477ffb9dSDavid C Somayajulu 41398f0722caSVikas Chaudhary srb = qla4xxx_get_new_srb(ha, ddb_entry, cmd); 4140afaf5a2dSDavid Somayajulu if (!srb) 41418f0722caSVikas Chaudhary goto qc_host_busy; 4142afaf5a2dSDavid Somayajulu 4143afaf5a2dSDavid Somayajulu rval = qla4xxx_send_command_to_isp(ha, srb); 4144afaf5a2dSDavid Somayajulu if (rval != QLA_SUCCESS) 4145afaf5a2dSDavid Somayajulu goto qc_host_busy_free_sp; 4146afaf5a2dSDavid Somayajulu 4147afaf5a2dSDavid Somayajulu return 0; 4148afaf5a2dSDavid Somayajulu 4149afaf5a2dSDavid Somayajulu qc_host_busy_free_sp: 4150afaf5a2dSDavid Somayajulu qla4xxx_srb_free_dma(ha, srb); 4151afaf5a2dSDavid Somayajulu mempool_free(srb, ha->srb_mempool); 4152afaf5a2dSDavid Somayajulu 4153afaf5a2dSDavid Somayajulu qc_host_busy: 4154afaf5a2dSDavid Somayajulu return SCSI_MLQUEUE_HOST_BUSY; 4155afaf5a2dSDavid Somayajulu 4156afaf5a2dSDavid Somayajulu qc_fail_command: 4157*fdcfbd65SBart Van Assche scsi_done(cmd); 4158afaf5a2dSDavid Somayajulu 4159afaf5a2dSDavid Somayajulu return 0; 4160afaf5a2dSDavid Somayajulu } 4161afaf5a2dSDavid Somayajulu 4162afaf5a2dSDavid Somayajulu /** 4163afaf5a2dSDavid Somayajulu * qla4xxx_mem_free - frees memory allocated to adapter 4164afaf5a2dSDavid Somayajulu * @ha: Pointer to host adapter structure. 4165afaf5a2dSDavid Somayajulu * 4166afaf5a2dSDavid Somayajulu * Frees memory previously allocated by qla4xxx_mem_alloc 4167afaf5a2dSDavid Somayajulu **/ 4168afaf5a2dSDavid Somayajulu static void qla4xxx_mem_free(struct scsi_qla_host *ha) 4169afaf5a2dSDavid Somayajulu { 4170afaf5a2dSDavid Somayajulu if (ha->queues) 4171afaf5a2dSDavid Somayajulu dma_free_coherent(&ha->pdev->dev, ha->queues_len, ha->queues, 4172afaf5a2dSDavid Somayajulu ha->queues_dma); 4173afaf5a2dSDavid Somayajulu 4174068237c8STej Parkash vfree(ha->fw_dump); 4175068237c8STej Parkash 4176afaf5a2dSDavid Somayajulu ha->queues_len = 0; 4177afaf5a2dSDavid Somayajulu ha->queues = NULL; 4178afaf5a2dSDavid Somayajulu ha->queues_dma = 0; 4179afaf5a2dSDavid Somayajulu ha->request_ring = NULL; 4180afaf5a2dSDavid Somayajulu ha->request_dma = 0; 4181afaf5a2dSDavid Somayajulu ha->response_ring = NULL; 4182afaf5a2dSDavid Somayajulu ha->response_dma = 0; 4183afaf5a2dSDavid Somayajulu ha->shadow_regs = NULL; 4184afaf5a2dSDavid Somayajulu ha->shadow_regs_dma = 0; 4185068237c8STej Parkash ha->fw_dump = NULL; 4186068237c8STej Parkash ha->fw_dump_size = 0; 4187afaf5a2dSDavid Somayajulu 4188afaf5a2dSDavid Somayajulu /* Free srb pool. */ 4189afaf5a2dSDavid Somayajulu mempool_destroy(ha->srb_mempool); 4190afaf5a2dSDavid Somayajulu ha->srb_mempool = NULL; 4191afaf5a2dSDavid Somayajulu 4192b3a271a9SManish Rangankar dma_pool_destroy(ha->chap_dma_pool); 4193b3a271a9SManish Rangankar 41944549415aSLalit Chandivade vfree(ha->chap_list); 41954549415aSLalit Chandivade ha->chap_list = NULL; 41964549415aSLalit Chandivade 419713483730SMike Christie dma_pool_destroy(ha->fw_ddb_dma_pool); 419813483730SMike Christie 4199afaf5a2dSDavid Somayajulu /* release io space registers */ 4200f4f5df23SVikas Chaudhary if (is_qla8022(ha)) { 4201f4f5df23SVikas Chaudhary if (ha->nx_pcibase) 4202f4f5df23SVikas Chaudhary iounmap( 4203f4f5df23SVikas Chaudhary (struct device_reg_82xx __iomem *)ha->nx_pcibase); 4204b37ca418SVikas Chaudhary } else if (is_qla8032(ha) || is_qla8042(ha)) { 42056e7b4292SVikas Chaudhary if (ha->nx_pcibase) 42066e7b4292SVikas Chaudhary iounmap( 42076e7b4292SVikas Chaudhary (struct device_reg_83xx __iomem *)ha->nx_pcibase); 42086e7b4292SVikas Chaudhary } else if (ha->reg) { 4209afaf5a2dSDavid Somayajulu iounmap(ha->reg); 42106e7b4292SVikas Chaudhary } 42116e7b4292SVikas Chaudhary 42126e7b4292SVikas Chaudhary vfree(ha->reset_tmplt.buff); 42136e7b4292SVikas Chaudhary 4214afaf5a2dSDavid Somayajulu pci_release_regions(ha->pdev); 4215afaf5a2dSDavid Somayajulu } 4216afaf5a2dSDavid Somayajulu 4217afaf5a2dSDavid Somayajulu /** 4218afaf5a2dSDavid Somayajulu * qla4xxx_mem_alloc - allocates memory for use by adapter. 4219afaf5a2dSDavid Somayajulu * @ha: Pointer to host adapter structure 4220afaf5a2dSDavid Somayajulu * 4221afaf5a2dSDavid Somayajulu * Allocates DMA memory for request and response queues. Also allocates memory 4222afaf5a2dSDavid Somayajulu * for srbs. 4223afaf5a2dSDavid Somayajulu **/ 4224afaf5a2dSDavid Somayajulu static int qla4xxx_mem_alloc(struct scsi_qla_host *ha) 4225afaf5a2dSDavid Somayajulu { 4226afaf5a2dSDavid Somayajulu unsigned long align; 4227afaf5a2dSDavid Somayajulu 4228afaf5a2dSDavid Somayajulu /* Allocate contiguous block of DMA memory for queues. */ 4229afaf5a2dSDavid Somayajulu ha->queues_len = ((REQUEST_QUEUE_DEPTH * QUEUE_SIZE) + 4230afaf5a2dSDavid Somayajulu (RESPONSE_QUEUE_DEPTH * QUEUE_SIZE) + 4231afaf5a2dSDavid Somayajulu sizeof(struct shadow_regs) + 4232afaf5a2dSDavid Somayajulu MEM_ALIGN_VALUE + 4233afaf5a2dSDavid Somayajulu (PAGE_SIZE - 1)) & ~(PAGE_SIZE - 1); 4234750afb08SLuis Chamberlain ha->queues = dma_alloc_coherent(&ha->pdev->dev, ha->queues_len, 4235afaf5a2dSDavid Somayajulu &ha->queues_dma, GFP_KERNEL); 4236afaf5a2dSDavid Somayajulu if (ha->queues == NULL) { 4237c2660df3SVikas Chaudhary ql4_printk(KERN_WARNING, ha, 4238afaf5a2dSDavid Somayajulu "Memory Allocation failed - queues.\n"); 4239afaf5a2dSDavid Somayajulu 4240afaf5a2dSDavid Somayajulu goto mem_alloc_error_exit; 4241afaf5a2dSDavid Somayajulu } 4242afaf5a2dSDavid Somayajulu 4243afaf5a2dSDavid Somayajulu /* 4244afaf5a2dSDavid Somayajulu * As per RISC alignment requirements -- the bus-address must be a 4245afaf5a2dSDavid Somayajulu * multiple of the request-ring size (in bytes). 4246afaf5a2dSDavid Somayajulu */ 4247afaf5a2dSDavid Somayajulu align = 0; 4248afaf5a2dSDavid Somayajulu if ((unsigned long)ha->queues_dma & (MEM_ALIGN_VALUE - 1)) 4249afaf5a2dSDavid Somayajulu align = MEM_ALIGN_VALUE - ((unsigned long)ha->queues_dma & 4250afaf5a2dSDavid Somayajulu (MEM_ALIGN_VALUE - 1)); 4251afaf5a2dSDavid Somayajulu 4252afaf5a2dSDavid Somayajulu /* Update request and response queue pointers. */ 4253afaf5a2dSDavid Somayajulu ha->request_dma = ha->queues_dma + align; 4254afaf5a2dSDavid Somayajulu ha->request_ring = (struct queue_entry *) (ha->queues + align); 4255afaf5a2dSDavid Somayajulu ha->response_dma = ha->queues_dma + align + 4256afaf5a2dSDavid Somayajulu (REQUEST_QUEUE_DEPTH * QUEUE_SIZE); 4257afaf5a2dSDavid Somayajulu ha->response_ring = (struct queue_entry *) (ha->queues + align + 4258afaf5a2dSDavid Somayajulu (REQUEST_QUEUE_DEPTH * 4259afaf5a2dSDavid Somayajulu QUEUE_SIZE)); 4260afaf5a2dSDavid Somayajulu ha->shadow_regs_dma = ha->queues_dma + align + 4261afaf5a2dSDavid Somayajulu (REQUEST_QUEUE_DEPTH * QUEUE_SIZE) + 4262afaf5a2dSDavid Somayajulu (RESPONSE_QUEUE_DEPTH * QUEUE_SIZE); 4263afaf5a2dSDavid Somayajulu ha->shadow_regs = (struct shadow_regs *) (ha->queues + align + 4264afaf5a2dSDavid Somayajulu (REQUEST_QUEUE_DEPTH * 4265afaf5a2dSDavid Somayajulu QUEUE_SIZE) + 4266afaf5a2dSDavid Somayajulu (RESPONSE_QUEUE_DEPTH * 4267afaf5a2dSDavid Somayajulu QUEUE_SIZE)); 4268afaf5a2dSDavid Somayajulu 4269afaf5a2dSDavid Somayajulu /* Allocate memory for srb pool. */ 4270afaf5a2dSDavid Somayajulu ha->srb_mempool = mempool_create(SRB_MIN_REQ, mempool_alloc_slab, 4271afaf5a2dSDavid Somayajulu mempool_free_slab, srb_cachep); 4272afaf5a2dSDavid Somayajulu if (ha->srb_mempool == NULL) { 4273c2660df3SVikas Chaudhary ql4_printk(KERN_WARNING, ha, 4274afaf5a2dSDavid Somayajulu "Memory Allocation failed - SRB Pool.\n"); 4275afaf5a2dSDavid Somayajulu 4276afaf5a2dSDavid Somayajulu goto mem_alloc_error_exit; 4277afaf5a2dSDavid Somayajulu } 4278afaf5a2dSDavid Somayajulu 4279b3a271a9SManish Rangankar ha->chap_dma_pool = dma_pool_create("ql4_chap", &ha->pdev->dev, 4280b3a271a9SManish Rangankar CHAP_DMA_BLOCK_SIZE, 8, 0); 4281b3a271a9SManish Rangankar 4282b3a271a9SManish Rangankar if (ha->chap_dma_pool == NULL) { 4283b3a271a9SManish Rangankar ql4_printk(KERN_WARNING, ha, 4284b3a271a9SManish Rangankar "%s: chap_dma_pool allocation failed..\n", __func__); 4285b3a271a9SManish Rangankar goto mem_alloc_error_exit; 4286b3a271a9SManish Rangankar } 4287b3a271a9SManish Rangankar 428813483730SMike Christie ha->fw_ddb_dma_pool = dma_pool_create("ql4_fw_ddb", &ha->pdev->dev, 428913483730SMike Christie DDB_DMA_BLOCK_SIZE, 8, 0); 429013483730SMike Christie 429113483730SMike Christie if (ha->fw_ddb_dma_pool == NULL) { 429213483730SMike Christie ql4_printk(KERN_WARNING, ha, 429313483730SMike Christie "%s: fw_ddb_dma_pool allocation failed..\n", 429413483730SMike Christie __func__); 429513483730SMike Christie goto mem_alloc_error_exit; 429613483730SMike Christie } 429713483730SMike Christie 4298afaf5a2dSDavid Somayajulu return QLA_SUCCESS; 4299afaf5a2dSDavid Somayajulu 4300afaf5a2dSDavid Somayajulu mem_alloc_error_exit: 4301afaf5a2dSDavid Somayajulu return QLA_ERROR; 4302afaf5a2dSDavid Somayajulu } 4303afaf5a2dSDavid Somayajulu 4304afaf5a2dSDavid Somayajulu /** 43054f77083eSMike Hernandez * qla4_8xxx_check_temp - Check the ISP82XX temperature. 43064f77083eSMike Hernandez * @ha: adapter block pointer. 43074f77083eSMike Hernandez * 43084f77083eSMike Hernandez * Note: The caller should not hold the idc lock. 43094f77083eSMike Hernandez **/ 43104f77083eSMike Hernandez static int qla4_8xxx_check_temp(struct scsi_qla_host *ha) 43114f77083eSMike Hernandez { 43124f77083eSMike Hernandez uint32_t temp, temp_state, temp_val; 43134f77083eSMike Hernandez int status = QLA_SUCCESS; 43144f77083eSMike Hernandez 431533693c7aSVikas Chaudhary temp = qla4_8xxx_rd_direct(ha, QLA8XXX_CRB_TEMP_STATE); 43164f77083eSMike Hernandez 43174f77083eSMike Hernandez temp_state = qla82xx_get_temp_state(temp); 43184f77083eSMike Hernandez temp_val = qla82xx_get_temp_val(temp); 43194f77083eSMike Hernandez 43204f77083eSMike Hernandez if (temp_state == QLA82XX_TEMP_PANIC) { 43214f77083eSMike Hernandez ql4_printk(KERN_WARNING, ha, "Device temperature %d degrees C" 43224f77083eSMike Hernandez " exceeds maximum allowed. Hardware has been shut" 43234f77083eSMike Hernandez " down.\n", temp_val); 43244f77083eSMike Hernandez status = QLA_ERROR; 43254f77083eSMike Hernandez } else if (temp_state == QLA82XX_TEMP_WARN) { 43264f77083eSMike Hernandez if (ha->temperature == QLA82XX_TEMP_NORMAL) 43274f77083eSMike Hernandez ql4_printk(KERN_WARNING, ha, "Device temperature %d" 43284f77083eSMike Hernandez " degrees C exceeds operating range." 43294f77083eSMike Hernandez " Immediate action needed.\n", temp_val); 43304f77083eSMike Hernandez } else { 43314f77083eSMike Hernandez if (ha->temperature == QLA82XX_TEMP_WARN) 43324f77083eSMike Hernandez ql4_printk(KERN_INFO, ha, "Device temperature is" 43334f77083eSMike Hernandez " now %d degrees C in normal range.\n", 43344f77083eSMike Hernandez temp_val); 43354f77083eSMike Hernandez } 43364f77083eSMike Hernandez ha->temperature = temp_state; 43374f77083eSMike Hernandez return status; 43384f77083eSMike Hernandez } 43394f77083eSMike Hernandez 43404f77083eSMike Hernandez /** 4341f4f5df23SVikas Chaudhary * qla4_8xxx_check_fw_alive - Check firmware health 4342f4f5df23SVikas Chaudhary * @ha: Pointer to host adapter structure. 4343f4f5df23SVikas Chaudhary * 4344f4f5df23SVikas Chaudhary * Context: Interrupt 4345f4f5df23SVikas Chaudhary **/ 43469ee91a38SShyam Sunder static int qla4_8xxx_check_fw_alive(struct scsi_qla_host *ha) 4347f4f5df23SVikas Chaudhary { 43489ee91a38SShyam Sunder uint32_t fw_heartbeat_counter; 43499ee91a38SShyam Sunder int status = QLA_SUCCESS; 4350f4f5df23SVikas Chaudhary 435133693c7aSVikas Chaudhary fw_heartbeat_counter = qla4_8xxx_rd_direct(ha, 435233693c7aSVikas Chaudhary QLA8XXX_PEG_ALIVE_COUNTER); 43532232be0dSLalit Chandivade /* If PEG_ALIVE_COUNTER is 0xffffffff, AER/EEH is in progress, ignore */ 43542232be0dSLalit Chandivade if (fw_heartbeat_counter == 0xffffffff) { 43552232be0dSLalit Chandivade DEBUG2(printk(KERN_WARNING "scsi%ld: %s: Device in frozen " 43562232be0dSLalit Chandivade "state, QLA82XX_PEG_ALIVE_COUNTER is 0xffffffff\n", 43572232be0dSLalit Chandivade ha->host_no, __func__)); 43589ee91a38SShyam Sunder return status; 43592232be0dSLalit Chandivade } 4360f4f5df23SVikas Chaudhary 4361f4f5df23SVikas Chaudhary if (ha->fw_heartbeat_counter == fw_heartbeat_counter) { 4362f4f5df23SVikas Chaudhary ha->seconds_since_last_heartbeat++; 4363f4f5df23SVikas Chaudhary /* FW not alive after 2 seconds */ 4364f4f5df23SVikas Chaudhary if (ha->seconds_since_last_heartbeat == 2) { 4365f4f5df23SVikas Chaudhary ha->seconds_since_last_heartbeat = 0; 43666e7b4292SVikas Chaudhary qla4_8xxx_dump_peg_reg(ha); 43679ee91a38SShyam Sunder status = QLA_ERROR; 4368f4f5df23SVikas Chaudhary } 436999457d75SLalit Chandivade } else 437099457d75SLalit Chandivade ha->seconds_since_last_heartbeat = 0; 437199457d75SLalit Chandivade 4372f4f5df23SVikas Chaudhary ha->fw_heartbeat_counter = fw_heartbeat_counter; 43739ee91a38SShyam Sunder return status; 4374f4f5df23SVikas Chaudhary } 4375f4f5df23SVikas Chaudhary 43766e7b4292SVikas Chaudhary static void qla4_8xxx_process_fw_error(struct scsi_qla_host *ha) 43776e7b4292SVikas Chaudhary { 43786e7b4292SVikas Chaudhary uint32_t halt_status; 43796e7b4292SVikas Chaudhary int halt_status_unrecoverable = 0; 43806e7b4292SVikas Chaudhary 43816e7b4292SVikas Chaudhary halt_status = qla4_8xxx_rd_direct(ha, QLA8XXX_PEG_HALT_STATUS1); 43826e7b4292SVikas Chaudhary 43836e7b4292SVikas Chaudhary if (is_qla8022(ha)) { 43846e7b4292SVikas Chaudhary ql4_printk(KERN_INFO, ha, "%s: disabling pause transmit on port 0 & 1.\n", 43856e7b4292SVikas Chaudhary __func__); 43866e7b4292SVikas Chaudhary qla4_82xx_wr_32(ha, QLA82XX_CRB_NIU + 0x98, 43876e7b4292SVikas Chaudhary CRB_NIU_XG_PAUSE_CTL_P0 | 43886e7b4292SVikas Chaudhary CRB_NIU_XG_PAUSE_CTL_P1); 43896e7b4292SVikas Chaudhary 43906e7b4292SVikas Chaudhary if (QLA82XX_FWERROR_CODE(halt_status) == 0x67) 43916e7b4292SVikas Chaudhary ql4_printk(KERN_ERR, ha, "%s: Firmware aborted with error code 0x00006700. Device is being reset\n", 43926e7b4292SVikas Chaudhary __func__); 43936e7b4292SVikas Chaudhary if (halt_status & HALT_STATUS_UNRECOVERABLE) 43946e7b4292SVikas Chaudhary halt_status_unrecoverable = 1; 4395b37ca418SVikas Chaudhary } else if (is_qla8032(ha) || is_qla8042(ha)) { 43966e7b4292SVikas Chaudhary if (halt_status & QLA83XX_HALT_STATUS_FW_RESET) 43976e7b4292SVikas Chaudhary ql4_printk(KERN_ERR, ha, "%s: Firmware error detected device is being reset\n", 43986e7b4292SVikas Chaudhary __func__); 43996e7b4292SVikas Chaudhary else if (halt_status & QLA83XX_HALT_STATUS_UNRECOVERABLE) 44006e7b4292SVikas Chaudhary halt_status_unrecoverable = 1; 44016e7b4292SVikas Chaudhary } 44026e7b4292SVikas Chaudhary 44036e7b4292SVikas Chaudhary /* 44046e7b4292SVikas Chaudhary * Since we cannot change dev_state in interrupt context, 44056e7b4292SVikas Chaudhary * set appropriate DPC flag then wakeup DPC 44066e7b4292SVikas Chaudhary */ 44076e7b4292SVikas Chaudhary if (halt_status_unrecoverable) { 44086e7b4292SVikas Chaudhary set_bit(DPC_HA_UNRECOVERABLE, &ha->dpc_flags); 44096e7b4292SVikas Chaudhary } else { 44106e7b4292SVikas Chaudhary ql4_printk(KERN_INFO, ha, "%s: detect abort needed!\n", 44116e7b4292SVikas Chaudhary __func__); 44126e7b4292SVikas Chaudhary set_bit(DPC_RESET_HA, &ha->dpc_flags); 44136e7b4292SVikas Chaudhary } 44146e7b4292SVikas Chaudhary qla4xxx_mailbox_premature_completion(ha); 44156e7b4292SVikas Chaudhary qla4xxx_wake_dpc(ha); 44166e7b4292SVikas Chaudhary } 44176e7b4292SVikas Chaudhary 4418f4f5df23SVikas Chaudhary /** 4419f4f5df23SVikas Chaudhary * qla4_8xxx_watchdog - Poll dev state 4420f4f5df23SVikas Chaudhary * @ha: Pointer to host adapter structure. 4421f4f5df23SVikas Chaudhary * 4422f4f5df23SVikas Chaudhary * Context: Interrupt 4423f4f5df23SVikas Chaudhary **/ 4424f4f5df23SVikas Chaudhary void qla4_8xxx_watchdog(struct scsi_qla_host *ha) 4425f4f5df23SVikas Chaudhary { 44266e7b4292SVikas Chaudhary uint32_t dev_state; 44276cf94121SVikas Chaudhary uint32_t idc_ctrl; 4428f4f5df23SVikas Chaudhary 4429a083e8bcSVikas Chaudhary if (is_qla8032(ha) && 4430a083e8bcSVikas Chaudhary (qla4_83xx_is_detached(ha) == QLA_SUCCESS)) 4431a083e8bcSVikas Chaudhary WARN_ONCE(1, "%s: iSCSI function %d marked invisible\n", 4432a083e8bcSVikas Chaudhary __func__, ha->func_num); 4433a083e8bcSVikas Chaudhary 4434f4f5df23SVikas Chaudhary /* don't poll if reset is going on */ 4435d56a1f7bSLalit Chandivade if (!(test_bit(DPC_RESET_ACTIVE, &ha->dpc_flags) || 4436d56a1f7bSLalit Chandivade test_bit(DPC_RESET_HA, &ha->dpc_flags) || 4437977f46a4SVikas Chaudhary test_bit(DPC_RETRY_RESET_HA, &ha->dpc_flags))) { 443833693c7aSVikas Chaudhary dev_state = qla4_8xxx_rd_direct(ha, QLA8XXX_CRB_DEV_STATE); 44394f77083eSMike Hernandez 44404f77083eSMike Hernandez if (qla4_8xxx_check_temp(ha)) { 44416e7b4292SVikas Chaudhary if (is_qla8022(ha)) { 44426e7b4292SVikas Chaudhary ql4_printk(KERN_INFO, ha, "disabling pause transmit on port 0 & 1.\n"); 4443f8086f4fSVikas Chaudhary qla4_82xx_wr_32(ha, QLA82XX_CRB_NIU + 0x98, 4444e6bd0ebdSGiridhar Malavali CRB_NIU_XG_PAUSE_CTL_P0 | 4445e6bd0ebdSGiridhar Malavali CRB_NIU_XG_PAUSE_CTL_P1); 44466e7b4292SVikas Chaudhary } 44474f77083eSMike Hernandez set_bit(DPC_HA_UNRECOVERABLE, &ha->dpc_flags); 44484f77083eSMike Hernandez qla4xxx_wake_dpc(ha); 4449de8c72daSVikas Chaudhary } else if (dev_state == QLA8XXX_DEV_NEED_RESET && 4450f4f5df23SVikas Chaudhary !test_bit(DPC_RESET_HA, &ha->dpc_flags)) { 44516cf94121SVikas Chaudhary 44526cf94121SVikas Chaudhary ql4_printk(KERN_INFO, ha, "%s: HW State: NEED RESET!\n", 44536cf94121SVikas Chaudhary __func__); 44546cf94121SVikas Chaudhary 4455b37ca418SVikas Chaudhary if (is_qla8032(ha) || is_qla8042(ha)) { 44566cf94121SVikas Chaudhary idc_ctrl = qla4_83xx_rd_reg(ha, 44576cf94121SVikas Chaudhary QLA83XX_IDC_DRV_CTRL); 44586cf94121SVikas Chaudhary if (!(idc_ctrl & GRACEFUL_RESET_BIT1)) { 44596cf94121SVikas Chaudhary ql4_printk(KERN_INFO, ha, "%s: Graceful reset bit is not set\n", 44606cf94121SVikas Chaudhary __func__); 44616cf94121SVikas Chaudhary qla4xxx_mailbox_premature_completion( 44626cf94121SVikas Chaudhary ha); 44636cf94121SVikas Chaudhary } 44646cf94121SVikas Chaudhary } 44656cf94121SVikas Chaudhary 4466b37ca418SVikas Chaudhary if ((is_qla8032(ha) || is_qla8042(ha)) || 44676e7b4292SVikas Chaudhary (is_qla8022(ha) && !ql4xdontresethba)) { 4468f4f5df23SVikas Chaudhary set_bit(DPC_RESET_HA, &ha->dpc_flags); 4469f4f5df23SVikas Chaudhary qla4xxx_wake_dpc(ha); 44703930b8c1SVikas Chaudhary } 4471de8c72daSVikas Chaudhary } else if (dev_state == QLA8XXX_DEV_NEED_QUIESCENT && 4472f4f5df23SVikas Chaudhary !test_bit(DPC_HA_NEED_QUIESCENT, &ha->dpc_flags)) { 44733930b8c1SVikas Chaudhary ql4_printk(KERN_INFO, ha, "%s: HW State: NEED QUIES!\n", 44743930b8c1SVikas Chaudhary __func__); 4475f4f5df23SVikas Chaudhary set_bit(DPC_HA_NEED_QUIESCENT, &ha->dpc_flags); 4476f4f5df23SVikas Chaudhary qla4xxx_wake_dpc(ha); 4477f4f5df23SVikas Chaudhary } else { 4478f4f5df23SVikas Chaudhary /* Check firmware health */ 44796e7b4292SVikas Chaudhary if (qla4_8xxx_check_fw_alive(ha)) 44806e7b4292SVikas Chaudhary qla4_8xxx_process_fw_error(ha); 4481f4f5df23SVikas Chaudhary } 4482f4f5df23SVikas Chaudhary } 4483f4f5df23SVikas Chaudhary } 4484f4f5df23SVikas Chaudhary 44854a4bc2e9SLalit Chandivade static void qla4xxx_check_relogin_flash_ddb(struct iscsi_cls_session *cls_sess) 448613483730SMike Christie { 448713483730SMike Christie struct iscsi_session *sess; 448813483730SMike Christie struct ddb_entry *ddb_entry; 448913483730SMike Christie struct scsi_qla_host *ha; 449013483730SMike Christie 449113483730SMike Christie sess = cls_sess->dd_data; 449213483730SMike Christie ddb_entry = sess->dd_data; 449313483730SMike Christie ha = ddb_entry->ha; 449413483730SMike Christie 449513483730SMike Christie if (!(ddb_entry->ddb_type == FLASH_DDB)) 449613483730SMike Christie return; 449713483730SMike Christie 449813483730SMike Christie if (adapter_up(ha) && !test_bit(DF_RELOGIN, &ddb_entry->flags) && 449913483730SMike Christie !iscsi_is_session_online(cls_sess)) { 450013483730SMike Christie if (atomic_read(&ddb_entry->retry_relogin_timer) != 450113483730SMike Christie INVALID_ENTRY) { 450213483730SMike Christie if (atomic_read(&ddb_entry->retry_relogin_timer) == 450313483730SMike Christie 0) { 450413483730SMike Christie atomic_set(&ddb_entry->retry_relogin_timer, 450513483730SMike Christie INVALID_ENTRY); 450613483730SMike Christie set_bit(DPC_RELOGIN_DEVICE, &ha->dpc_flags); 450713483730SMike Christie set_bit(DF_RELOGIN, &ddb_entry->flags); 450813483730SMike Christie DEBUG2(ql4_printk(KERN_INFO, ha, 450913483730SMike Christie "%s: index [%d] login device\n", 451013483730SMike Christie __func__, ddb_entry->fw_ddb_index)); 451113483730SMike Christie } else 451213483730SMike Christie atomic_dec(&ddb_entry->retry_relogin_timer); 451313483730SMike Christie } 451413483730SMike Christie } 451513483730SMike Christie 451613483730SMike Christie /* Wait for relogin to timeout */ 451713483730SMike Christie if (atomic_read(&ddb_entry->relogin_timer) && 451813483730SMike Christie (atomic_dec_and_test(&ddb_entry->relogin_timer) != 0)) { 451913483730SMike Christie /* 452013483730SMike Christie * If the relogin times out and the device is 452113483730SMike Christie * still NOT ONLINE then try and relogin again. 452213483730SMike Christie */ 452313483730SMike Christie if (!iscsi_is_session_online(cls_sess)) { 452413483730SMike Christie /* Reset retry relogin timer */ 452513483730SMike Christie atomic_inc(&ddb_entry->relogin_retry_count); 452613483730SMike Christie DEBUG2(ql4_printk(KERN_INFO, ha, 452713483730SMike Christie "%s: index[%d] relogin timed out-retrying" 452813483730SMike Christie " relogin (%d), retry (%d)\n", __func__, 452913483730SMike Christie ddb_entry->fw_ddb_index, 453013483730SMike Christie atomic_read(&ddb_entry->relogin_retry_count), 453113483730SMike Christie ddb_entry->default_time2wait + 4)); 453213483730SMike Christie set_bit(DPC_RELOGIN_DEVICE, &ha->dpc_flags); 453313483730SMike Christie atomic_set(&ddb_entry->retry_relogin_timer, 453413483730SMike Christie ddb_entry->default_time2wait + 4); 453513483730SMike Christie } 453613483730SMike Christie } 453713483730SMike Christie } 453813483730SMike Christie 4539f4f5df23SVikas Chaudhary /** 4540afaf5a2dSDavid Somayajulu * qla4xxx_timer - checks every second for work to do. 4541cdeeb36dSLee Jones * @t: Context to obtain pointer to host adapter structure. 4542afaf5a2dSDavid Somayajulu **/ 4543d744644aSKees Cook static void qla4xxx_timer(struct timer_list *t) 4544afaf5a2dSDavid Somayajulu { 4545d744644aSKees Cook struct scsi_qla_host *ha = from_timer(ha, t, timer); 4546afaf5a2dSDavid Somayajulu int start_dpc = 0; 45472232be0dSLalit Chandivade uint16_t w; 45482232be0dSLalit Chandivade 454913483730SMike Christie iscsi_host_for_each_session(ha->host, qla4xxx_check_relogin_flash_ddb); 455013483730SMike Christie 45512232be0dSLalit Chandivade /* If we are in the middle of AER/EEH processing 45522232be0dSLalit Chandivade * skip any processing and reschedule the timer 45532232be0dSLalit Chandivade */ 45542232be0dSLalit Chandivade if (test_bit(AF_EEH_BUSY, &ha->flags)) { 45552232be0dSLalit Chandivade mod_timer(&ha->timer, jiffies + HZ); 45562232be0dSLalit Chandivade return; 45572232be0dSLalit Chandivade } 45582232be0dSLalit Chandivade 45592232be0dSLalit Chandivade /* Hardware read to trigger an EEH error during mailbox waits. */ 45602232be0dSLalit Chandivade if (!pci_channel_offline(ha->pdev)) 45612232be0dSLalit Chandivade pci_read_config_word(ha->pdev, PCI_VENDOR_ID, &w); 4562afaf5a2dSDavid Somayajulu 45636e7b4292SVikas Chaudhary if (is_qla80XX(ha)) 4564f4f5df23SVikas Chaudhary qla4_8xxx_watchdog(ha); 4565f4f5df23SVikas Chaudhary 4566ee996a69SVikas Chaudhary if (is_qla40XX(ha)) { 4567afaf5a2dSDavid Somayajulu /* Check for heartbeat interval. */ 4568afaf5a2dSDavid Somayajulu if (ha->firmware_options & FWOPT_HEARTBEAT_ENABLE && 4569afaf5a2dSDavid Somayajulu ha->heartbeat_interval != 0) { 4570afaf5a2dSDavid Somayajulu ha->seconds_since_last_heartbeat++; 4571afaf5a2dSDavid Somayajulu if (ha->seconds_since_last_heartbeat > 4572afaf5a2dSDavid Somayajulu ha->heartbeat_interval + 2) 4573afaf5a2dSDavid Somayajulu set_bit(DPC_RESET_HA, &ha->dpc_flags); 4574afaf5a2dSDavid Somayajulu } 4575f4f5df23SVikas Chaudhary } 4576afaf5a2dSDavid Somayajulu 4577ff884430SVikas Chaudhary /* Process any deferred work. */ 4578ff884430SVikas Chaudhary if (!list_empty(&ha->work_list)) 4579ff884430SVikas Chaudhary start_dpc++; 4580ff884430SVikas Chaudhary 4581afaf5a2dSDavid Somayajulu /* Wakeup the dpc routine for this adapter, if needed. */ 45821b46807eSLalit Chandivade if (start_dpc || 4583afaf5a2dSDavid Somayajulu test_bit(DPC_RESET_HA, &ha->dpc_flags) || 4584afaf5a2dSDavid Somayajulu test_bit(DPC_RETRY_RESET_HA, &ha->dpc_flags) || 4585afaf5a2dSDavid Somayajulu test_bit(DPC_RELOGIN_DEVICE, &ha->dpc_flags) || 4586f4f5df23SVikas Chaudhary test_bit(DPC_RESET_HA_FW_CONTEXT, &ha->dpc_flags) || 4587afaf5a2dSDavid Somayajulu test_bit(DPC_RESET_HA_INTR, &ha->dpc_flags) || 4588afaf5a2dSDavid Somayajulu test_bit(DPC_GET_DHCP_IP_ADDR, &ha->dpc_flags) || 4589065aa1b4SVikas Chaudhary test_bit(DPC_LINK_CHANGED, &ha->dpc_flags) || 4590f4f5df23SVikas Chaudhary test_bit(DPC_HA_UNRECOVERABLE, &ha->dpc_flags) || 4591f4f5df23SVikas Chaudhary test_bit(DPC_HA_NEED_QUIESCENT, &ha->dpc_flags) || 4592906cbf3dSNilesh Javali test_bit(DPC_SYSFS_DDB_EXPORT, &ha->dpc_flags) || 45931b46807eSLalit Chandivade test_bit(DPC_AEN, &ha->dpc_flags)) { 4594afaf5a2dSDavid Somayajulu DEBUG2(printk("scsi%ld: %s: scheduling dpc routine" 4595afaf5a2dSDavid Somayajulu " - dpc flags = 0x%lx\n", 4596afaf5a2dSDavid Somayajulu ha->host_no, __func__, ha->dpc_flags)); 4597f4f5df23SVikas Chaudhary qla4xxx_wake_dpc(ha); 4598afaf5a2dSDavid Somayajulu } 4599afaf5a2dSDavid Somayajulu 4600afaf5a2dSDavid Somayajulu /* Reschedule timer thread to call us back in one second */ 4601afaf5a2dSDavid Somayajulu mod_timer(&ha->timer, jiffies + HZ); 4602afaf5a2dSDavid Somayajulu 4603afaf5a2dSDavid Somayajulu DEBUG2(ha->seconds_since_last_intr++); 4604afaf5a2dSDavid Somayajulu } 4605afaf5a2dSDavid Somayajulu 4606afaf5a2dSDavid Somayajulu /** 4607afaf5a2dSDavid Somayajulu * qla4xxx_cmd_wait - waits for all outstanding commands to complete 4608afaf5a2dSDavid Somayajulu * @ha: Pointer to host adapter structure. 4609afaf5a2dSDavid Somayajulu * 4610afaf5a2dSDavid Somayajulu * This routine stalls the driver until all outstanding commands are returned. 4611afaf5a2dSDavid Somayajulu * Caller must release the Hardware Lock prior to calling this routine. 4612afaf5a2dSDavid Somayajulu **/ 4613afaf5a2dSDavid Somayajulu static int qla4xxx_cmd_wait(struct scsi_qla_host *ha) 4614afaf5a2dSDavid Somayajulu { 4615afaf5a2dSDavid Somayajulu uint32_t index = 0; 4616afaf5a2dSDavid Somayajulu unsigned long flags; 4617afaf5a2dSDavid Somayajulu struct scsi_cmnd *cmd; 461861d9a2b6STej Parkash unsigned long wtime; 461961d9a2b6STej Parkash uint32_t wtmo; 4620afaf5a2dSDavid Somayajulu 462161d9a2b6STej Parkash if (is_qla40XX(ha)) 462261d9a2b6STej Parkash wtmo = WAIT_CMD_TOV; 462361d9a2b6STej Parkash else 462461d9a2b6STej Parkash wtmo = ha->nx_reset_timeout / 2; 4625f4f5df23SVikas Chaudhary 462661d9a2b6STej Parkash wtime = jiffies + (wtmo * HZ); 462761d9a2b6STej Parkash 462861d9a2b6STej Parkash DEBUG2(ql4_printk(KERN_INFO, ha, 462961d9a2b6STej Parkash "Wait up to %u seconds for cmds to complete\n", 463061d9a2b6STej Parkash wtmo)); 4631f4f5df23SVikas Chaudhary 4632f4f5df23SVikas Chaudhary while (!time_after_eq(jiffies, wtime)) { 4633afaf5a2dSDavid Somayajulu spin_lock_irqsave(&ha->hardware_lock, flags); 4634afaf5a2dSDavid Somayajulu /* Find a command that hasn't completed. */ 4635afaf5a2dSDavid Somayajulu for (index = 0; index < ha->host->can_queue; index++) { 4636afaf5a2dSDavid Somayajulu cmd = scsi_host_find_tag(ha->host, index); 4637a1e0063dSMike Christie /* 4638a1e0063dSMike Christie * We cannot just check if the index is valid, 4639a1e0063dSMike Christie * becase if we are run from the scsi eh, then 4640a1e0063dSMike Christie * the scsi/block layer is going to prevent 4641a1e0063dSMike Christie * the tag from being released. 4642a1e0063dSMike Christie */ 4643a1e0063dSMike Christie if (cmd != NULL && CMD_SP(cmd)) 4644afaf5a2dSDavid Somayajulu break; 4645afaf5a2dSDavid Somayajulu } 4646afaf5a2dSDavid Somayajulu spin_unlock_irqrestore(&ha->hardware_lock, flags); 4647afaf5a2dSDavid Somayajulu 4648afaf5a2dSDavid Somayajulu /* If No Commands are pending, wait is complete */ 4649f4f5df23SVikas Chaudhary if (index == ha->host->can_queue) 4650f4f5df23SVikas Chaudhary return QLA_SUCCESS; 4651afaf5a2dSDavid Somayajulu 4652afaf5a2dSDavid Somayajulu msleep(1000); 4653afaf5a2dSDavid Somayajulu } 4654f4f5df23SVikas Chaudhary /* If we timed out on waiting for commands to come back 4655f4f5df23SVikas Chaudhary * return ERROR. */ 4656f4f5df23SVikas Chaudhary return QLA_ERROR; 4657afaf5a2dSDavid Somayajulu } 4658afaf5a2dSDavid Somayajulu 4659f4f5df23SVikas Chaudhary int qla4xxx_hw_reset(struct scsi_qla_host *ha) 4660afaf5a2dSDavid Somayajulu { 4661afaf5a2dSDavid Somayajulu uint32_t ctrl_status; 4662477ffb9dSDavid C Somayajulu unsigned long flags = 0; 4663477ffb9dSDavid C Somayajulu 4664477ffb9dSDavid C Somayajulu DEBUG2(printk(KERN_ERR "scsi%ld: %s\n", ha->host_no, __func__)); 4665afaf5a2dSDavid Somayajulu 4666f4f5df23SVikas Chaudhary if (ql4xxx_lock_drvr_wait(ha) != QLA_SUCCESS) 4667f4f5df23SVikas Chaudhary return QLA_ERROR; 4668f4f5df23SVikas Chaudhary 4669afaf5a2dSDavid Somayajulu spin_lock_irqsave(&ha->hardware_lock, flags); 4670afaf5a2dSDavid Somayajulu 4671afaf5a2dSDavid Somayajulu /* 4672afaf5a2dSDavid Somayajulu * If the SCSI Reset Interrupt bit is set, clear it. 4673afaf5a2dSDavid Somayajulu * Otherwise, the Soft Reset won't work. 4674afaf5a2dSDavid Somayajulu */ 4675afaf5a2dSDavid Somayajulu ctrl_status = readw(&ha->reg->ctrl_status); 4676afaf5a2dSDavid Somayajulu if ((ctrl_status & CSR_SCSI_RESET_INTR) != 0) 4677afaf5a2dSDavid Somayajulu writel(set_rmask(CSR_SCSI_RESET_INTR), &ha->reg->ctrl_status); 4678afaf5a2dSDavid Somayajulu 4679afaf5a2dSDavid Somayajulu /* Issue Soft Reset */ 4680afaf5a2dSDavid Somayajulu writel(set_rmask(CSR_SOFT_RESET), &ha->reg->ctrl_status); 4681afaf5a2dSDavid Somayajulu readl(&ha->reg->ctrl_status); 4682afaf5a2dSDavid Somayajulu 4683afaf5a2dSDavid Somayajulu spin_unlock_irqrestore(&ha->hardware_lock, flags); 4684f4f5df23SVikas Chaudhary return QLA_SUCCESS; 4685477ffb9dSDavid C Somayajulu } 4686477ffb9dSDavid C Somayajulu 4687477ffb9dSDavid C Somayajulu /** 4688477ffb9dSDavid C Somayajulu * qla4xxx_soft_reset - performs soft reset. 4689477ffb9dSDavid C Somayajulu * @ha: Pointer to host adapter structure. 4690477ffb9dSDavid C Somayajulu **/ 4691477ffb9dSDavid C Somayajulu int qla4xxx_soft_reset(struct scsi_qla_host *ha) 4692477ffb9dSDavid C Somayajulu { 4693477ffb9dSDavid C Somayajulu uint32_t max_wait_time; 4694477ffb9dSDavid C Somayajulu unsigned long flags = 0; 4695f931c534SVikas Chaudhary int status; 4696477ffb9dSDavid C Somayajulu uint32_t ctrl_status; 4697477ffb9dSDavid C Somayajulu 4698f931c534SVikas Chaudhary status = qla4xxx_hw_reset(ha); 4699f931c534SVikas Chaudhary if (status != QLA_SUCCESS) 4700f931c534SVikas Chaudhary return status; 4701afaf5a2dSDavid Somayajulu 4702f931c534SVikas Chaudhary status = QLA_ERROR; 4703afaf5a2dSDavid Somayajulu /* Wait until the Network Reset Intr bit is cleared */ 4704afaf5a2dSDavid Somayajulu max_wait_time = RESET_INTR_TOV; 4705afaf5a2dSDavid Somayajulu do { 4706afaf5a2dSDavid Somayajulu spin_lock_irqsave(&ha->hardware_lock, flags); 4707afaf5a2dSDavid Somayajulu ctrl_status = readw(&ha->reg->ctrl_status); 4708afaf5a2dSDavid Somayajulu spin_unlock_irqrestore(&ha->hardware_lock, flags); 4709afaf5a2dSDavid Somayajulu 4710afaf5a2dSDavid Somayajulu if ((ctrl_status & CSR_NET_RESET_INTR) == 0) 4711afaf5a2dSDavid Somayajulu break; 4712afaf5a2dSDavid Somayajulu 4713afaf5a2dSDavid Somayajulu msleep(1000); 4714afaf5a2dSDavid Somayajulu } while ((--max_wait_time)); 4715afaf5a2dSDavid Somayajulu 4716afaf5a2dSDavid Somayajulu if ((ctrl_status & CSR_NET_RESET_INTR) != 0) { 4717afaf5a2dSDavid Somayajulu DEBUG2(printk(KERN_WARNING 4718afaf5a2dSDavid Somayajulu "scsi%ld: Network Reset Intr not cleared by " 4719afaf5a2dSDavid Somayajulu "Network function, clearing it now!\n", 4720afaf5a2dSDavid Somayajulu ha->host_no)); 4721afaf5a2dSDavid Somayajulu spin_lock_irqsave(&ha->hardware_lock, flags); 4722afaf5a2dSDavid Somayajulu writel(set_rmask(CSR_NET_RESET_INTR), &ha->reg->ctrl_status); 4723afaf5a2dSDavid Somayajulu readl(&ha->reg->ctrl_status); 4724afaf5a2dSDavid Somayajulu spin_unlock_irqrestore(&ha->hardware_lock, flags); 4725afaf5a2dSDavid Somayajulu } 4726afaf5a2dSDavid Somayajulu 4727afaf5a2dSDavid Somayajulu /* Wait until the firmware tells us the Soft Reset is done */ 4728afaf5a2dSDavid Somayajulu max_wait_time = SOFT_RESET_TOV; 4729afaf5a2dSDavid Somayajulu do { 4730afaf5a2dSDavid Somayajulu spin_lock_irqsave(&ha->hardware_lock, flags); 4731afaf5a2dSDavid Somayajulu ctrl_status = readw(&ha->reg->ctrl_status); 4732afaf5a2dSDavid Somayajulu spin_unlock_irqrestore(&ha->hardware_lock, flags); 4733afaf5a2dSDavid Somayajulu 4734afaf5a2dSDavid Somayajulu if ((ctrl_status & CSR_SOFT_RESET) == 0) { 4735afaf5a2dSDavid Somayajulu status = QLA_SUCCESS; 4736afaf5a2dSDavid Somayajulu break; 4737afaf5a2dSDavid Somayajulu } 4738afaf5a2dSDavid Somayajulu 4739afaf5a2dSDavid Somayajulu msleep(1000); 4740afaf5a2dSDavid Somayajulu } while ((--max_wait_time)); 4741afaf5a2dSDavid Somayajulu 4742afaf5a2dSDavid Somayajulu /* 4743afaf5a2dSDavid Somayajulu * Also, make sure that the SCSI Reset Interrupt bit has been cleared 4744afaf5a2dSDavid Somayajulu * after the soft reset has taken place. 4745afaf5a2dSDavid Somayajulu */ 4746afaf5a2dSDavid Somayajulu spin_lock_irqsave(&ha->hardware_lock, flags); 4747afaf5a2dSDavid Somayajulu ctrl_status = readw(&ha->reg->ctrl_status); 4748afaf5a2dSDavid Somayajulu if ((ctrl_status & CSR_SCSI_RESET_INTR) != 0) { 4749afaf5a2dSDavid Somayajulu writel(set_rmask(CSR_SCSI_RESET_INTR), &ha->reg->ctrl_status); 4750afaf5a2dSDavid Somayajulu readl(&ha->reg->ctrl_status); 4751afaf5a2dSDavid Somayajulu } 4752afaf5a2dSDavid Somayajulu spin_unlock_irqrestore(&ha->hardware_lock, flags); 4753afaf5a2dSDavid Somayajulu 4754afaf5a2dSDavid Somayajulu /* If soft reset fails then most probably the bios on other 4755afaf5a2dSDavid Somayajulu * function is also enabled. 4756afaf5a2dSDavid Somayajulu * Since the initialization is sequential the other fn 4757afaf5a2dSDavid Somayajulu * wont be able to acknowledge the soft reset. 4758afaf5a2dSDavid Somayajulu * Issue a force soft reset to workaround this scenario. 4759afaf5a2dSDavid Somayajulu */ 4760afaf5a2dSDavid Somayajulu if (max_wait_time == 0) { 4761afaf5a2dSDavid Somayajulu /* Issue Force Soft Reset */ 4762afaf5a2dSDavid Somayajulu spin_lock_irqsave(&ha->hardware_lock, flags); 4763afaf5a2dSDavid Somayajulu writel(set_rmask(CSR_FORCE_SOFT_RESET), &ha->reg->ctrl_status); 4764afaf5a2dSDavid Somayajulu readl(&ha->reg->ctrl_status); 4765afaf5a2dSDavid Somayajulu spin_unlock_irqrestore(&ha->hardware_lock, flags); 4766afaf5a2dSDavid Somayajulu /* Wait until the firmware tells us the Soft Reset is done */ 4767afaf5a2dSDavid Somayajulu max_wait_time = SOFT_RESET_TOV; 4768afaf5a2dSDavid Somayajulu do { 4769afaf5a2dSDavid Somayajulu spin_lock_irqsave(&ha->hardware_lock, flags); 4770afaf5a2dSDavid Somayajulu ctrl_status = readw(&ha->reg->ctrl_status); 4771afaf5a2dSDavid Somayajulu spin_unlock_irqrestore(&ha->hardware_lock, flags); 4772afaf5a2dSDavid Somayajulu 4773afaf5a2dSDavid Somayajulu if ((ctrl_status & CSR_FORCE_SOFT_RESET) == 0) { 4774afaf5a2dSDavid Somayajulu status = QLA_SUCCESS; 4775afaf5a2dSDavid Somayajulu break; 4776afaf5a2dSDavid Somayajulu } 4777afaf5a2dSDavid Somayajulu 4778afaf5a2dSDavid Somayajulu msleep(1000); 4779afaf5a2dSDavid Somayajulu } while ((--max_wait_time)); 4780afaf5a2dSDavid Somayajulu } 4781afaf5a2dSDavid Somayajulu 4782afaf5a2dSDavid Somayajulu return status; 4783afaf5a2dSDavid Somayajulu } 4784afaf5a2dSDavid Somayajulu 4785afaf5a2dSDavid Somayajulu /** 4786f4f5df23SVikas Chaudhary * qla4xxx_abort_active_cmds - returns all outstanding i/o requests to O.S. 4787afaf5a2dSDavid Somayajulu * @ha: Pointer to host adapter structure. 4788f4f5df23SVikas Chaudhary * @res: returned scsi status 4789afaf5a2dSDavid Somayajulu * 4790afaf5a2dSDavid Somayajulu * This routine is called just prior to a HARD RESET to return all 4791afaf5a2dSDavid Somayajulu * outstanding commands back to the Operating System. 4792afaf5a2dSDavid Somayajulu * Caller should make sure that the following locks are released 4793afaf5a2dSDavid Somayajulu * before this calling routine: Hardware lock, and io_request_lock. 4794afaf5a2dSDavid Somayajulu **/ 4795f4f5df23SVikas Chaudhary static void qla4xxx_abort_active_cmds(struct scsi_qla_host *ha, int res) 4796afaf5a2dSDavid Somayajulu { 4797afaf5a2dSDavid Somayajulu struct srb *srb; 4798afaf5a2dSDavid Somayajulu int i; 4799afaf5a2dSDavid Somayajulu unsigned long flags; 4800afaf5a2dSDavid Somayajulu 4801afaf5a2dSDavid Somayajulu spin_lock_irqsave(&ha->hardware_lock, flags); 4802afaf5a2dSDavid Somayajulu for (i = 0; i < ha->host->can_queue; i++) { 4803afaf5a2dSDavid Somayajulu srb = qla4xxx_del_from_active_array(ha, i); 4804afaf5a2dSDavid Somayajulu if (srb != NULL) { 4805f4f5df23SVikas Chaudhary srb->cmd->result = res; 480609a0f719SVikas Chaudhary kref_put(&srb->srb_ref, qla4xxx_srb_compl); 4807afaf5a2dSDavid Somayajulu } 4808afaf5a2dSDavid Somayajulu } 4809afaf5a2dSDavid Somayajulu spin_unlock_irqrestore(&ha->hardware_lock, flags); 4810afaf5a2dSDavid Somayajulu } 4811afaf5a2dSDavid Somayajulu 4812f4f5df23SVikas Chaudhary void qla4xxx_dead_adapter_cleanup(struct scsi_qla_host *ha) 4813f4f5df23SVikas Chaudhary { 4814f4f5df23SVikas Chaudhary clear_bit(AF_ONLINE, &ha->flags); 4815f4f5df23SVikas Chaudhary 4816f4f5df23SVikas Chaudhary /* Disable the board */ 4817f4f5df23SVikas Chaudhary ql4_printk(KERN_INFO, ha, "Disabling the board\n"); 4818f4f5df23SVikas Chaudhary 4819f4f5df23SVikas Chaudhary qla4xxx_abort_active_cmds(ha, DID_NO_CONNECT << 16); 4820f4f5df23SVikas Chaudhary qla4xxx_mark_all_devices_missing(ha); 4821f4f5df23SVikas Chaudhary clear_bit(AF_INIT_DONE, &ha->flags); 4822f4f5df23SVikas Chaudhary } 4823f4f5df23SVikas Chaudhary 4824b3a271a9SManish Rangankar static void qla4xxx_fail_session(struct iscsi_cls_session *cls_session) 4825b3a271a9SManish Rangankar { 4826b3a271a9SManish Rangankar struct iscsi_session *sess; 4827b3a271a9SManish Rangankar struct ddb_entry *ddb_entry; 4828b3a271a9SManish Rangankar 4829b3a271a9SManish Rangankar sess = cls_session->dd_data; 4830b3a271a9SManish Rangankar ddb_entry = sess->dd_data; 4831b3a271a9SManish Rangankar ddb_entry->fw_ddb_device_state = DDB_DS_SESSION_FAILED; 483213483730SMike Christie 483313483730SMike Christie if (ddb_entry->ddb_type == FLASH_DDB) 483413483730SMike Christie iscsi_block_session(ddb_entry->sess); 483513483730SMike Christie else 483613483730SMike Christie iscsi_session_failure(cls_session->dd_data, 483713483730SMike Christie ISCSI_ERR_CONN_FAILED); 4838b3a271a9SManish Rangankar } 4839b3a271a9SManish Rangankar 4840afaf5a2dSDavid Somayajulu /** 4841afaf5a2dSDavid Somayajulu * qla4xxx_recover_adapter - recovers adapter after a fatal error 4842afaf5a2dSDavid Somayajulu * @ha: Pointer to host adapter structure. 4843afaf5a2dSDavid Somayajulu **/ 4844f4f5df23SVikas Chaudhary static int qla4xxx_recover_adapter(struct scsi_qla_host *ha) 4845afaf5a2dSDavid Somayajulu { 4846f4f5df23SVikas Chaudhary int status = QLA_ERROR; 4847f4f5df23SVikas Chaudhary uint8_t reset_chip = 0; 48488e0f3a66SSarang Radke uint32_t dev_state; 48499ee91a38SShyam Sunder unsigned long wait; 4850afaf5a2dSDavid Somayajulu 4851afaf5a2dSDavid Somayajulu /* Stall incoming I/O until we are done */ 4852f4f5df23SVikas Chaudhary scsi_block_requests(ha->host); 4853afaf5a2dSDavid Somayajulu clear_bit(AF_ONLINE, &ha->flags); 4854b3a271a9SManish Rangankar clear_bit(AF_LINK_UP, &ha->flags); 485550a29aecSMike Christie 4856f4f5df23SVikas Chaudhary DEBUG2(ql4_printk(KERN_INFO, ha, "%s: adapter OFFLINE\n", __func__)); 4857afaf5a2dSDavid Somayajulu 4858f4f5df23SVikas Chaudhary set_bit(DPC_RESET_ACTIVE, &ha->dpc_flags); 4859afaf5a2dSDavid Somayajulu 4860b37ca418SVikas Chaudhary if ((is_qla8032(ha) || is_qla8042(ha)) && 4861546fef27STej Parkash !test_bit(DPC_RESET_HA_FW_CONTEXT, &ha->dpc_flags)) { 4862546fef27STej Parkash ql4_printk(KERN_INFO, ha, "%s: disabling pause transmit on port 0 & 1.\n", 4863546fef27STej Parkash __func__); 4864546fef27STej Parkash /* disable pause frame for ISP83xx */ 4865546fef27STej Parkash qla4_83xx_disable_pause(ha); 4866546fef27STej Parkash } 4867546fef27STej Parkash 4868b3a271a9SManish Rangankar iscsi_host_for_each_session(ha->host, qla4xxx_fail_session); 4869b3a271a9SManish Rangankar 4870f4f5df23SVikas Chaudhary if (test_bit(DPC_RESET_HA, &ha->dpc_flags)) 4871f4f5df23SVikas Chaudhary reset_chip = 1; 4872afaf5a2dSDavid Somayajulu 4873f4f5df23SVikas Chaudhary /* For the DPC_RESET_HA_INTR case (ISP-4xxx specific) 4874f4f5df23SVikas Chaudhary * do not reset adapter, jump to initialize_adapter */ 4875f4f5df23SVikas Chaudhary if (test_bit(DPC_RESET_HA_INTR, &ha->dpc_flags)) { 4876f4f5df23SVikas Chaudhary status = QLA_SUCCESS; 4877f4f5df23SVikas Chaudhary goto recover_ha_init_adapter; 4878afaf5a2dSDavid Somayajulu } 4879afaf5a2dSDavid Somayajulu 48806e7b4292SVikas Chaudhary /* For the ISP-8xxx adapter, issue a stop_firmware if invoked 4881f4f5df23SVikas Chaudhary * from eh_host_reset or ioctl module */ 48826e7b4292SVikas Chaudhary if (is_qla80XX(ha) && !reset_chip && 4883f4f5df23SVikas Chaudhary test_bit(DPC_RESET_HA_FW_CONTEXT, &ha->dpc_flags)) { 4884f4f5df23SVikas Chaudhary 4885f4f5df23SVikas Chaudhary DEBUG2(ql4_printk(KERN_INFO, ha, 4886f4f5df23SVikas Chaudhary "scsi%ld: %s - Performing stop_firmware...\n", 4887f4f5df23SVikas Chaudhary ha->host_no, __func__)); 4888f4f5df23SVikas Chaudhary status = ha->isp_ops->reset_firmware(ha); 4889f4f5df23SVikas Chaudhary if (status == QLA_SUCCESS) { 4890f4f5df23SVikas Chaudhary ha->isp_ops->disable_intrs(ha); 4891f4f5df23SVikas Chaudhary qla4xxx_process_aen(ha, FLUSH_DDB_CHANGED_AENS); 4892f4f5df23SVikas Chaudhary qla4xxx_abort_active_cmds(ha, DID_RESET << 16); 4893f4f5df23SVikas Chaudhary } else { 4894f4f5df23SVikas Chaudhary /* If the stop_firmware fails then 4895f4f5df23SVikas Chaudhary * reset the entire chip */ 4896f4f5df23SVikas Chaudhary reset_chip = 1; 4897f4f5df23SVikas Chaudhary clear_bit(DPC_RESET_HA_FW_CONTEXT, &ha->dpc_flags); 4898f4f5df23SVikas Chaudhary set_bit(DPC_RESET_HA, &ha->dpc_flags); 4899f4f5df23SVikas Chaudhary } 4900f4f5df23SVikas Chaudhary } 4901f4f5df23SVikas Chaudhary 4902f4f5df23SVikas Chaudhary /* Issue full chip reset if recovering from a catastrophic error, 49036e7b4292SVikas Chaudhary * or if stop_firmware fails for ISP-8xxx. 4904f4f5df23SVikas Chaudhary * This is the default case for ISP-4xxx */ 4905ee996a69SVikas Chaudhary if (is_qla40XX(ha) || reset_chip) { 4906ee996a69SVikas Chaudhary if (is_qla40XX(ha)) 49079ee91a38SShyam Sunder goto chip_reset; 49089ee91a38SShyam Sunder 49096e7b4292SVikas Chaudhary /* Check if 8XXX firmware is alive or not 49109ee91a38SShyam Sunder * We may have arrived here from NEED_RESET 49119ee91a38SShyam Sunder * detection only */ 49129ee91a38SShyam Sunder if (test_bit(AF_FW_RECOVERY, &ha->flags)) 49139ee91a38SShyam Sunder goto chip_reset; 49149ee91a38SShyam Sunder 49159ee91a38SShyam Sunder wait = jiffies + (FW_ALIVE_WAIT_TOV * HZ); 49169ee91a38SShyam Sunder while (time_before(jiffies, wait)) { 49179ee91a38SShyam Sunder if (qla4_8xxx_check_fw_alive(ha)) { 49189ee91a38SShyam Sunder qla4xxx_mailbox_premature_completion(ha); 49199ee91a38SShyam Sunder break; 49209ee91a38SShyam Sunder } 49219ee91a38SShyam Sunder 49229ee91a38SShyam Sunder set_current_state(TASK_UNINTERRUPTIBLE); 49239ee91a38SShyam Sunder schedule_timeout(HZ); 49249ee91a38SShyam Sunder } 4925da106212SVikas Chaudhary chip_reset: 49262bd1e2beSNilesh Javali if (!test_bit(AF_FW_RECOVERY, &ha->flags)) 4927f4f5df23SVikas Chaudhary qla4xxx_cmd_wait(ha); 4928da106212SVikas Chaudhary 4929f4f5df23SVikas Chaudhary qla4xxx_process_aen(ha, FLUSH_DDB_CHANGED_AENS); 4930f4f5df23SVikas Chaudhary DEBUG2(ql4_printk(KERN_INFO, ha, 4931f4f5df23SVikas Chaudhary "scsi%ld: %s - Performing chip reset..\n", 4932f4f5df23SVikas Chaudhary ha->host_no, __func__)); 4933f4f5df23SVikas Chaudhary status = ha->isp_ops->reset_chip(ha); 493461d9a2b6STej Parkash qla4xxx_abort_active_cmds(ha, DID_RESET << 16); 4935f4f5df23SVikas Chaudhary } 4936f4f5df23SVikas Chaudhary 4937f4f5df23SVikas Chaudhary /* Flush any pending ddb changed AENs */ 4938f4f5df23SVikas Chaudhary qla4xxx_process_aen(ha, FLUSH_DDB_CHANGED_AENS); 4939f4f5df23SVikas Chaudhary 4940f4f5df23SVikas Chaudhary recover_ha_init_adapter: 4941f4f5df23SVikas Chaudhary /* Upon successful firmware/chip reset, re-initialize the adapter */ 4942f4f5df23SVikas Chaudhary if (status == QLA_SUCCESS) { 4943f4f5df23SVikas Chaudhary /* For ISP-4xxx, force function 1 to always initialize 4944f4f5df23SVikas Chaudhary * before function 3 to prevent both funcions from 4945f4f5df23SVikas Chaudhary * stepping on top of the other */ 4946ee996a69SVikas Chaudhary if (is_qla40XX(ha) && (ha->mac_index == 3)) 4947f4f5df23SVikas Chaudhary ssleep(6); 4948f4f5df23SVikas Chaudhary 4949f4f5df23SVikas Chaudhary /* NOTE: AF_ONLINE flag set upon successful completion of 4950f4f5df23SVikas Chaudhary * qla4xxx_initialize_adapter */ 495113483730SMike Christie status = qla4xxx_initialize_adapter(ha, RESET_ADAPTER); 495237418cc6SNilesh Javali if (is_qla80XX(ha) && (status == QLA_ERROR)) { 495337418cc6SNilesh Javali status = qla4_8xxx_check_init_adapter_retry(ha); 495437418cc6SNilesh Javali if (status == QLA_ERROR) { 495537418cc6SNilesh Javali ql4_printk(KERN_INFO, ha, "scsi%ld: %s: Don't retry recover adapter\n", 495637418cc6SNilesh Javali ha->host_no, __func__); 495737418cc6SNilesh Javali qla4xxx_dead_adapter_cleanup(ha); 495837418cc6SNilesh Javali clear_bit(DPC_RETRY_RESET_HA, &ha->dpc_flags); 495937418cc6SNilesh Javali clear_bit(DPC_RESET_HA, &ha->dpc_flags); 496037418cc6SNilesh Javali clear_bit(DPC_RESET_HA_FW_CONTEXT, 496137418cc6SNilesh Javali &ha->dpc_flags); 496237418cc6SNilesh Javali goto exit_recover; 496337418cc6SNilesh Javali } 496437418cc6SNilesh Javali } 4965f4f5df23SVikas Chaudhary } 4966f4f5df23SVikas Chaudhary 4967f4f5df23SVikas Chaudhary /* Retry failed adapter initialization, if necessary 4968f4f5df23SVikas Chaudhary * Do not retry initialize_adapter for RESET_HA_INTR (ISP-4xxx specific) 4969f4f5df23SVikas Chaudhary * case to prevent ping-pong resets between functions */ 4970f4f5df23SVikas Chaudhary if (!test_bit(AF_ONLINE, &ha->flags) && 4971f4f5df23SVikas Chaudhary !test_bit(DPC_RESET_HA_INTR, &ha->dpc_flags)) { 4972afaf5a2dSDavid Somayajulu /* Adapter initialization failed, see if we can retry 4973f4f5df23SVikas Chaudhary * resetting the ha. 4974f4f5df23SVikas Chaudhary * Since we don't want to block the DPC for too long 4975f4f5df23SVikas Chaudhary * with multiple resets in the same thread, 4976f4f5df23SVikas Chaudhary * utilize DPC to retry */ 49776e7b4292SVikas Chaudhary if (is_qla80XX(ha)) { 497833693c7aSVikas Chaudhary ha->isp_ops->idc_lock(ha); 497933693c7aSVikas Chaudhary dev_state = qla4_8xxx_rd_direct(ha, 498033693c7aSVikas Chaudhary QLA8XXX_CRB_DEV_STATE); 498133693c7aSVikas Chaudhary ha->isp_ops->idc_unlock(ha); 4982de8c72daSVikas Chaudhary if (dev_state == QLA8XXX_DEV_FAILED) { 49838e0f3a66SSarang Radke ql4_printk(KERN_INFO, ha, "%s: don't retry " 49848e0f3a66SSarang Radke "recover adapter. H/W is in Failed " 49858e0f3a66SSarang Radke "state\n", __func__); 49868e0f3a66SSarang Radke qla4xxx_dead_adapter_cleanup(ha); 49878e0f3a66SSarang Radke clear_bit(DPC_RETRY_RESET_HA, &ha->dpc_flags); 49888e0f3a66SSarang Radke clear_bit(DPC_RESET_HA, &ha->dpc_flags); 49898e0f3a66SSarang Radke clear_bit(DPC_RESET_HA_FW_CONTEXT, 49908e0f3a66SSarang Radke &ha->dpc_flags); 49918e0f3a66SSarang Radke status = QLA_ERROR; 49928e0f3a66SSarang Radke 49938e0f3a66SSarang Radke goto exit_recover; 49948e0f3a66SSarang Radke } 49958e0f3a66SSarang Radke } 49968e0f3a66SSarang Radke 4997afaf5a2dSDavid Somayajulu if (!test_bit(DPC_RETRY_RESET_HA, &ha->dpc_flags)) { 4998afaf5a2dSDavid Somayajulu ha->retry_reset_ha_cnt = MAX_RESET_HA_RETRIES; 4999afaf5a2dSDavid Somayajulu DEBUG2(printk("scsi%ld: recover adapter - retrying " 5000afaf5a2dSDavid Somayajulu "(%d) more times\n", ha->host_no, 5001afaf5a2dSDavid Somayajulu ha->retry_reset_ha_cnt)); 5002afaf5a2dSDavid Somayajulu set_bit(DPC_RETRY_RESET_HA, &ha->dpc_flags); 5003afaf5a2dSDavid Somayajulu status = QLA_ERROR; 5004afaf5a2dSDavid Somayajulu } else { 5005afaf5a2dSDavid Somayajulu if (ha->retry_reset_ha_cnt > 0) { 5006afaf5a2dSDavid Somayajulu /* Schedule another Reset HA--DPC will retry */ 5007afaf5a2dSDavid Somayajulu ha->retry_reset_ha_cnt--; 5008afaf5a2dSDavid Somayajulu DEBUG2(printk("scsi%ld: recover adapter - " 5009afaf5a2dSDavid Somayajulu "retry remaining %d\n", 5010afaf5a2dSDavid Somayajulu ha->host_no, 5011afaf5a2dSDavid Somayajulu ha->retry_reset_ha_cnt)); 5012afaf5a2dSDavid Somayajulu status = QLA_ERROR; 5013afaf5a2dSDavid Somayajulu } 5014afaf5a2dSDavid Somayajulu 5015afaf5a2dSDavid Somayajulu if (ha->retry_reset_ha_cnt == 0) { 5016afaf5a2dSDavid Somayajulu /* Recover adapter retries have been exhausted. 5017afaf5a2dSDavid Somayajulu * Adapter DEAD */ 5018afaf5a2dSDavid Somayajulu DEBUG2(printk("scsi%ld: recover adapter " 5019afaf5a2dSDavid Somayajulu "failed - board disabled\n", 5020afaf5a2dSDavid Somayajulu ha->host_no)); 5021f4f5df23SVikas Chaudhary qla4xxx_dead_adapter_cleanup(ha); 5022afaf5a2dSDavid Somayajulu clear_bit(DPC_RETRY_RESET_HA, &ha->dpc_flags); 5023afaf5a2dSDavid Somayajulu clear_bit(DPC_RESET_HA, &ha->dpc_flags); 5024f4f5df23SVikas Chaudhary clear_bit(DPC_RESET_HA_FW_CONTEXT, 5025afaf5a2dSDavid Somayajulu &ha->dpc_flags); 5026afaf5a2dSDavid Somayajulu status = QLA_ERROR; 5027afaf5a2dSDavid Somayajulu } 5028afaf5a2dSDavid Somayajulu } 5029afaf5a2dSDavid Somayajulu } else { 5030afaf5a2dSDavid Somayajulu clear_bit(DPC_RESET_HA, &ha->dpc_flags); 5031f4f5df23SVikas Chaudhary clear_bit(DPC_RESET_HA_FW_CONTEXT, &ha->dpc_flags); 5032afaf5a2dSDavid Somayajulu clear_bit(DPC_RETRY_RESET_HA, &ha->dpc_flags); 5033afaf5a2dSDavid Somayajulu } 5034afaf5a2dSDavid Somayajulu 50358e0f3a66SSarang Radke exit_recover: 5036afaf5a2dSDavid Somayajulu ha->adapter_error_count++; 5037afaf5a2dSDavid Somayajulu 5038f4f5df23SVikas Chaudhary if (test_bit(AF_ONLINE, &ha->flags)) 5039f4f5df23SVikas Chaudhary ha->isp_ops->enable_intrs(ha); 5040afaf5a2dSDavid Somayajulu 5041f4f5df23SVikas Chaudhary scsi_unblock_requests(ha->host); 5042f4f5df23SVikas Chaudhary 5043f4f5df23SVikas Chaudhary clear_bit(DPC_RESET_ACTIVE, &ha->dpc_flags); 5044f4f5df23SVikas Chaudhary DEBUG2(printk("scsi%ld: recover adapter: %s\n", ha->host_no, 504525985edcSLucas De Marchi status == QLA_ERROR ? "FAILED" : "SUCCEEDED")); 5046f4f5df23SVikas Chaudhary 5047afaf5a2dSDavid Somayajulu return status; 5048afaf5a2dSDavid Somayajulu } 5049afaf5a2dSDavid Somayajulu 5050b3a271a9SManish Rangankar static void qla4xxx_relogin_devices(struct iscsi_cls_session *cls_session) 5051b3a271a9SManish Rangankar { 5052b3a271a9SManish Rangankar struct iscsi_session *sess; 5053b3a271a9SManish Rangankar struct ddb_entry *ddb_entry; 5054b3a271a9SManish Rangankar struct scsi_qla_host *ha; 5055b3a271a9SManish Rangankar 5056b3a271a9SManish Rangankar sess = cls_session->dd_data; 5057b3a271a9SManish Rangankar ddb_entry = sess->dd_data; 5058b3a271a9SManish Rangankar ha = ddb_entry->ha; 5059b3a271a9SManish Rangankar if (!iscsi_is_session_online(cls_session)) { 5060b3a271a9SManish Rangankar if (ddb_entry->fw_ddb_device_state == DDB_DS_SESSION_ACTIVE) { 5061b3a271a9SManish Rangankar ql4_printk(KERN_INFO, ha, "scsi%ld: %s: ddb[%d]" 5062b3a271a9SManish Rangankar " unblock session\n", ha->host_no, __func__, 5063b3a271a9SManish Rangankar ddb_entry->fw_ddb_index); 5064b3a271a9SManish Rangankar iscsi_unblock_session(ddb_entry->sess); 5065b3a271a9SManish Rangankar } else { 5066b3a271a9SManish Rangankar /* Trigger relogin */ 506713483730SMike Christie if (ddb_entry->ddb_type == FLASH_DDB) { 506899c6a33bSAdheer Chandravanshi if (!(test_bit(DF_RELOGIN, &ddb_entry->flags) || 506999c6a33bSAdheer Chandravanshi test_bit(DF_DISABLE_RELOGIN, 507099c6a33bSAdheer Chandravanshi &ddb_entry->flags))) 507113483730SMike Christie qla4xxx_arm_relogin_timer(ddb_entry); 507213483730SMike Christie } else 5073b3a271a9SManish Rangankar iscsi_session_failure(cls_session->dd_data, 5074b3a271a9SManish Rangankar ISCSI_ERR_CONN_FAILED); 5075b3a271a9SManish Rangankar } 5076b3a271a9SManish Rangankar } 5077b3a271a9SManish Rangankar } 5078b3a271a9SManish Rangankar 507913483730SMike Christie int qla4xxx_unblock_flash_ddb(struct iscsi_cls_session *cls_session) 508013483730SMike Christie { 508113483730SMike Christie struct iscsi_session *sess; 508213483730SMike Christie struct ddb_entry *ddb_entry; 508313483730SMike Christie struct scsi_qla_host *ha; 508413483730SMike Christie 508513483730SMike Christie sess = cls_session->dd_data; 508613483730SMike Christie ddb_entry = sess->dd_data; 508713483730SMike Christie ha = ddb_entry->ha; 508813483730SMike Christie ql4_printk(KERN_INFO, ha, "scsi%ld: %s: ddb[%d]" 508913483730SMike Christie " unblock session\n", ha->host_no, __func__, 509013483730SMike Christie ddb_entry->fw_ddb_index); 509113483730SMike Christie 509213483730SMike Christie iscsi_unblock_session(ddb_entry->sess); 509313483730SMike Christie 509413483730SMike Christie /* Start scan target */ 509513483730SMike Christie if (test_bit(AF_ONLINE, &ha->flags)) { 509613483730SMike Christie ql4_printk(KERN_INFO, ha, "scsi%ld: %s: ddb[%d]" 509713483730SMike Christie " start scan\n", ha->host_no, __func__, 509813483730SMike Christie ddb_entry->fw_ddb_index); 509913483730SMike Christie scsi_queue_work(ha->host, &ddb_entry->sess->scan_work); 510013483730SMike Christie } 510113483730SMike Christie return QLA_SUCCESS; 510213483730SMike Christie } 510313483730SMike Christie 510413483730SMike Christie int qla4xxx_unblock_ddb(struct iscsi_cls_session *cls_session) 510513483730SMike Christie { 510613483730SMike Christie struct iscsi_session *sess; 510713483730SMike Christie struct ddb_entry *ddb_entry; 510813483730SMike Christie struct scsi_qla_host *ha; 510980c53e64SManish Rangankar int status = QLA_SUCCESS; 511013483730SMike Christie 511113483730SMike Christie sess = cls_session->dd_data; 511213483730SMike Christie ddb_entry = sess->dd_data; 511313483730SMike Christie ha = ddb_entry->ha; 511413483730SMike Christie ql4_printk(KERN_INFO, ha, "scsi%ld: %s: ddb[%d]" 511513483730SMike Christie " unblock user space session\n", ha->host_no, __func__, 511613483730SMike Christie ddb_entry->fw_ddb_index); 511780c53e64SManish Rangankar 511880c53e64SManish Rangankar if (!iscsi_is_session_online(cls_session)) { 511913483730SMike Christie iscsi_conn_start(ddb_entry->conn); 512013483730SMike Christie iscsi_conn_login_event(ddb_entry->conn, 512113483730SMike Christie ISCSI_CONN_STATE_LOGGED_IN); 512280c53e64SManish Rangankar } else { 512380c53e64SManish Rangankar ql4_printk(KERN_INFO, ha, 512480c53e64SManish Rangankar "scsi%ld: %s: ddb[%d] session [%d] already logged in\n", 512580c53e64SManish Rangankar ha->host_no, __func__, ddb_entry->fw_ddb_index, 512680c53e64SManish Rangankar cls_session->sid); 512780c53e64SManish Rangankar status = QLA_ERROR; 512880c53e64SManish Rangankar } 512913483730SMike Christie 513080c53e64SManish Rangankar return status; 513113483730SMike Christie } 513213483730SMike Christie 51332d7924e6SVikas Chaudhary static void qla4xxx_relogin_all_devices(struct scsi_qla_host *ha) 51342d7924e6SVikas Chaudhary { 5135b3a271a9SManish Rangankar iscsi_host_for_each_session(ha->host, qla4xxx_relogin_devices); 51362d7924e6SVikas Chaudhary } 51372d7924e6SVikas Chaudhary 513813483730SMike Christie static void qla4xxx_relogin_flash_ddb(struct iscsi_cls_session *cls_sess) 513913483730SMike Christie { 514013483730SMike Christie uint16_t relogin_timer; 514113483730SMike Christie struct iscsi_session *sess; 514213483730SMike Christie struct ddb_entry *ddb_entry; 514313483730SMike Christie struct scsi_qla_host *ha; 514413483730SMike Christie 514513483730SMike Christie sess = cls_sess->dd_data; 514613483730SMike Christie ddb_entry = sess->dd_data; 514713483730SMike Christie ha = ddb_entry->ha; 514813483730SMike Christie 514913483730SMike Christie relogin_timer = max(ddb_entry->default_relogin_timeout, 515013483730SMike Christie (uint16_t)RELOGIN_TOV); 515113483730SMike Christie atomic_set(&ddb_entry->relogin_timer, relogin_timer); 515213483730SMike Christie 515313483730SMike Christie DEBUG2(ql4_printk(KERN_INFO, ha, 515413483730SMike Christie "scsi%ld: Relogin index [%d]. TOV=%d\n", ha->host_no, 515513483730SMike Christie ddb_entry->fw_ddb_index, relogin_timer)); 515613483730SMike Christie 515713483730SMike Christie qla4xxx_login_flash_ddb(cls_sess); 515813483730SMike Christie } 515913483730SMike Christie 516013483730SMike Christie static void qla4xxx_dpc_relogin(struct iscsi_cls_session *cls_sess) 516113483730SMike Christie { 516213483730SMike Christie struct iscsi_session *sess; 516313483730SMike Christie struct ddb_entry *ddb_entry; 516413483730SMike Christie struct scsi_qla_host *ha; 516513483730SMike Christie 516613483730SMike Christie sess = cls_sess->dd_data; 516713483730SMike Christie ddb_entry = sess->dd_data; 516813483730SMike Christie ha = ddb_entry->ha; 516913483730SMike Christie 517013483730SMike Christie if (!(ddb_entry->ddb_type == FLASH_DDB)) 517113483730SMike Christie return; 517213483730SMike Christie 517399c6a33bSAdheer Chandravanshi if (test_bit(DF_DISABLE_RELOGIN, &ddb_entry->flags)) 517499c6a33bSAdheer Chandravanshi return; 517599c6a33bSAdheer Chandravanshi 517613483730SMike Christie if (test_and_clear_bit(DF_RELOGIN, &ddb_entry->flags) && 517713483730SMike Christie !iscsi_is_session_online(cls_sess)) { 517813483730SMike Christie DEBUG2(ql4_printk(KERN_INFO, ha, 517913483730SMike Christie "relogin issued\n")); 518013483730SMike Christie qla4xxx_relogin_flash_ddb(cls_sess); 518113483730SMike Christie } 518213483730SMike Christie } 518313483730SMike Christie 5184f4f5df23SVikas Chaudhary void qla4xxx_wake_dpc(struct scsi_qla_host *ha) 5185f4f5df23SVikas Chaudhary { 51861b46807eSLalit Chandivade if (ha->dpc_thread) 5187f4f5df23SVikas Chaudhary queue_work(ha->dpc_thread, &ha->dpc_work); 5188f4f5df23SVikas Chaudhary } 5189f4f5df23SVikas Chaudhary 5190ff884430SVikas Chaudhary static struct qla4_work_evt * 5191ff884430SVikas Chaudhary qla4xxx_alloc_work(struct scsi_qla_host *ha, uint32_t data_size, 5192ff884430SVikas Chaudhary enum qla4_work_type type) 5193ff884430SVikas Chaudhary { 5194ff884430SVikas Chaudhary struct qla4_work_evt *e; 5195ff884430SVikas Chaudhary uint32_t size = sizeof(struct qla4_work_evt) + data_size; 5196ff884430SVikas Chaudhary 5197ff884430SVikas Chaudhary e = kzalloc(size, GFP_ATOMIC); 5198ff884430SVikas Chaudhary if (!e) 5199ff884430SVikas Chaudhary return NULL; 5200ff884430SVikas Chaudhary 5201ff884430SVikas Chaudhary INIT_LIST_HEAD(&e->list); 5202ff884430SVikas Chaudhary e->type = type; 5203ff884430SVikas Chaudhary return e; 5204ff884430SVikas Chaudhary } 5205ff884430SVikas Chaudhary 5206ff884430SVikas Chaudhary static void qla4xxx_post_work(struct scsi_qla_host *ha, 5207ff884430SVikas Chaudhary struct qla4_work_evt *e) 5208ff884430SVikas Chaudhary { 5209ff884430SVikas Chaudhary unsigned long flags; 5210ff884430SVikas Chaudhary 5211ff884430SVikas Chaudhary spin_lock_irqsave(&ha->work_lock, flags); 5212ff884430SVikas Chaudhary list_add_tail(&e->list, &ha->work_list); 5213ff884430SVikas Chaudhary spin_unlock_irqrestore(&ha->work_lock, flags); 5214ff884430SVikas Chaudhary qla4xxx_wake_dpc(ha); 5215ff884430SVikas Chaudhary } 5216ff884430SVikas Chaudhary 5217ff884430SVikas Chaudhary int qla4xxx_post_aen_work(struct scsi_qla_host *ha, 5218ff884430SVikas Chaudhary enum iscsi_host_event_code aen_code, 5219ff884430SVikas Chaudhary uint32_t data_size, uint8_t *data) 5220ff884430SVikas Chaudhary { 5221ff884430SVikas Chaudhary struct qla4_work_evt *e; 5222ff884430SVikas Chaudhary 5223ff884430SVikas Chaudhary e = qla4xxx_alloc_work(ha, data_size, QLA4_EVENT_AEN); 5224ff884430SVikas Chaudhary if (!e) 5225ff884430SVikas Chaudhary return QLA_ERROR; 5226ff884430SVikas Chaudhary 5227ff884430SVikas Chaudhary e->u.aen.code = aen_code; 5228ff884430SVikas Chaudhary e->u.aen.data_size = data_size; 5229ff884430SVikas Chaudhary memcpy(e->u.aen.data, data, data_size); 5230ff884430SVikas Chaudhary 5231ff884430SVikas Chaudhary qla4xxx_post_work(ha, e); 5232ff884430SVikas Chaudhary 5233ff884430SVikas Chaudhary return QLA_SUCCESS; 5234ff884430SVikas Chaudhary } 5235ff884430SVikas Chaudhary 5236c0b9d3f7SVikas Chaudhary int qla4xxx_post_ping_evt_work(struct scsi_qla_host *ha, 5237c0b9d3f7SVikas Chaudhary uint32_t status, uint32_t pid, 5238c0b9d3f7SVikas Chaudhary uint32_t data_size, uint8_t *data) 5239c0b9d3f7SVikas Chaudhary { 5240c0b9d3f7SVikas Chaudhary struct qla4_work_evt *e; 5241c0b9d3f7SVikas Chaudhary 5242c0b9d3f7SVikas Chaudhary e = qla4xxx_alloc_work(ha, data_size, QLA4_EVENT_PING_STATUS); 5243c0b9d3f7SVikas Chaudhary if (!e) 5244c0b9d3f7SVikas Chaudhary return QLA_ERROR; 5245c0b9d3f7SVikas Chaudhary 5246c0b9d3f7SVikas Chaudhary e->u.ping.status = status; 5247c0b9d3f7SVikas Chaudhary e->u.ping.pid = pid; 5248c0b9d3f7SVikas Chaudhary e->u.ping.data_size = data_size; 5249c0b9d3f7SVikas Chaudhary memcpy(e->u.ping.data, data, data_size); 5250c0b9d3f7SVikas Chaudhary 5251c0b9d3f7SVikas Chaudhary qla4xxx_post_work(ha, e); 5252c0b9d3f7SVikas Chaudhary 5253c0b9d3f7SVikas Chaudhary return QLA_SUCCESS; 5254c0b9d3f7SVikas Chaudhary } 5255c0b9d3f7SVikas Chaudhary 5256a7380a65SVikas Chaudhary static void qla4xxx_do_work(struct scsi_qla_host *ha) 5257ff884430SVikas Chaudhary { 5258ff884430SVikas Chaudhary struct qla4_work_evt *e, *tmp; 5259ff884430SVikas Chaudhary unsigned long flags; 5260ff884430SVikas Chaudhary LIST_HEAD(work); 5261ff884430SVikas Chaudhary 5262ff884430SVikas Chaudhary spin_lock_irqsave(&ha->work_lock, flags); 5263ff884430SVikas Chaudhary list_splice_init(&ha->work_list, &work); 5264ff884430SVikas Chaudhary spin_unlock_irqrestore(&ha->work_lock, flags); 5265ff884430SVikas Chaudhary 5266ff884430SVikas Chaudhary list_for_each_entry_safe(e, tmp, &work, list) { 5267ff884430SVikas Chaudhary list_del_init(&e->list); 5268ff884430SVikas Chaudhary 5269ff884430SVikas Chaudhary switch (e->type) { 5270ff884430SVikas Chaudhary case QLA4_EVENT_AEN: 5271ff884430SVikas Chaudhary iscsi_post_host_event(ha->host_no, 5272ff884430SVikas Chaudhary &qla4xxx_iscsi_transport, 5273ff884430SVikas Chaudhary e->u.aen.code, 5274ff884430SVikas Chaudhary e->u.aen.data_size, 5275ff884430SVikas Chaudhary e->u.aen.data); 5276ff884430SVikas Chaudhary break; 5277c0b9d3f7SVikas Chaudhary case QLA4_EVENT_PING_STATUS: 5278c0b9d3f7SVikas Chaudhary iscsi_ping_comp_event(ha->host_no, 5279c0b9d3f7SVikas Chaudhary &qla4xxx_iscsi_transport, 5280c0b9d3f7SVikas Chaudhary e->u.ping.status, 5281c0b9d3f7SVikas Chaudhary e->u.ping.pid, 5282c0b9d3f7SVikas Chaudhary e->u.ping.data_size, 5283c0b9d3f7SVikas Chaudhary e->u.ping.data); 5284c0b9d3f7SVikas Chaudhary break; 5285ff884430SVikas Chaudhary default: 5286ff884430SVikas Chaudhary ql4_printk(KERN_WARNING, ha, "event type: 0x%x not " 5287ff884430SVikas Chaudhary "supported", e->type); 5288ff884430SVikas Chaudhary } 5289ff884430SVikas Chaudhary kfree(e); 5290ff884430SVikas Chaudhary } 5291ff884430SVikas Chaudhary } 5292ff884430SVikas Chaudhary 5293afaf5a2dSDavid Somayajulu /** 5294afaf5a2dSDavid Somayajulu * qla4xxx_do_dpc - dpc routine 5295cdeeb36dSLee Jones * @work: Context to obtain pointer to host adapter structure. 5296afaf5a2dSDavid Somayajulu * 5297afaf5a2dSDavid Somayajulu * This routine is a task that is schedule by the interrupt handler 5298afaf5a2dSDavid Somayajulu * to perform the background processing for interrupts. We put it 5299afaf5a2dSDavid Somayajulu * on a task queue that is consumed whenever the scheduler runs; that's 5300afaf5a2dSDavid Somayajulu * so you can do anything (i.e. put the process to sleep etc). In fact, 5301afaf5a2dSDavid Somayajulu * the mid-level tries to sleep when it reaches the driver threshold 5302afaf5a2dSDavid Somayajulu * "host->can_queue". This can cause a panic if we were in our interrupt code. 5303afaf5a2dSDavid Somayajulu **/ 5304c4028958SDavid Howells static void qla4xxx_do_dpc(struct work_struct *work) 5305afaf5a2dSDavid Somayajulu { 5306c4028958SDavid Howells struct scsi_qla_host *ha = 5307c4028958SDavid Howells container_of(work, struct scsi_qla_host, dpc_work); 5308477ffb9dSDavid C Somayajulu int status = QLA_ERROR; 5309afaf5a2dSDavid Somayajulu 5310a7e5688dSVikas Chaudhary DEBUG2(ql4_printk(KERN_INFO, ha, 5311a7e5688dSVikas Chaudhary "scsi%ld: %s: DPC handler waking up. flags = 0x%08lx, dpc_flags = 0x%08lx\n", 5312a7e5688dSVikas Chaudhary ha->host_no, __func__, ha->flags, ha->dpc_flags)); 5313afaf5a2dSDavid Somayajulu 5314afaf5a2dSDavid Somayajulu /* Initialization not yet finished. Don't do anything yet. */ 5315afaf5a2dSDavid Somayajulu if (!test_bit(AF_INIT_DONE, &ha->flags)) 53161b46807eSLalit Chandivade return; 5317afaf5a2dSDavid Somayajulu 53182232be0dSLalit Chandivade if (test_bit(AF_EEH_BUSY, &ha->flags)) { 53192232be0dSLalit Chandivade DEBUG2(printk(KERN_INFO "scsi%ld: %s: flags = %lx\n", 53202232be0dSLalit Chandivade ha->host_no, __func__, ha->flags)); 53211b46807eSLalit Chandivade return; 53222232be0dSLalit Chandivade } 53232232be0dSLalit Chandivade 5324ff884430SVikas Chaudhary /* post events to application */ 5325ff884430SVikas Chaudhary qla4xxx_do_work(ha); 5326ff884430SVikas Chaudhary 53276e7b4292SVikas Chaudhary if (is_qla80XX(ha)) { 5328f4f5df23SVikas Chaudhary if (test_bit(DPC_HA_UNRECOVERABLE, &ha->dpc_flags)) { 5329b37ca418SVikas Chaudhary if (is_qla8032(ha) || is_qla8042(ha)) { 5330546fef27STej Parkash ql4_printk(KERN_INFO, ha, "%s: disabling pause transmit on port 0 & 1.\n", 5331546fef27STej Parkash __func__); 5332546fef27STej Parkash /* disable pause frame for ISP83xx */ 5333546fef27STej Parkash qla4_83xx_disable_pause(ha); 5334546fef27STej Parkash } 5335546fef27STej Parkash 533633693c7aSVikas Chaudhary ha->isp_ops->idc_lock(ha); 533733693c7aSVikas Chaudhary qla4_8xxx_wr_direct(ha, QLA8XXX_CRB_DEV_STATE, 5338de8c72daSVikas Chaudhary QLA8XXX_DEV_FAILED); 533933693c7aSVikas Chaudhary ha->isp_ops->idc_unlock(ha); 5340f4f5df23SVikas Chaudhary ql4_printk(KERN_INFO, ha, "HW State: FAILED\n"); 5341f4f5df23SVikas Chaudhary qla4_8xxx_device_state_handler(ha); 5342f4f5df23SVikas Chaudhary } 5343320a61deSNilesh Javali 53447ab284c9SNilesh Javali if (test_bit(DPC_POST_IDC_ACK, &ha->dpc_flags)) { 53457ab284c9SNilesh Javali if (is_qla8042(ha)) { 53467ab284c9SNilesh Javali if (ha->idc_info.info2 & 53477ab284c9SNilesh Javali ENABLE_INTERNAL_LOOPBACK) { 53487ab284c9SNilesh Javali ql4_printk(KERN_INFO, ha, "%s: Disabling ACB\n", 53497ab284c9SNilesh Javali __func__); 53507ab284c9SNilesh Javali status = qla4_84xx_config_acb(ha, 53517ab284c9SNilesh Javali ACB_CONFIG_DISABLE); 53527ab284c9SNilesh Javali if (status != QLA_SUCCESS) { 53537ab284c9SNilesh Javali ql4_printk(KERN_INFO, ha, "%s: ACB config failed\n", 53547ab284c9SNilesh Javali __func__); 53557ab284c9SNilesh Javali } 53567ab284c9SNilesh Javali } 53577ab284c9SNilesh Javali } 5358320a61deSNilesh Javali qla4_83xx_post_idc_ack(ha); 53597ab284c9SNilesh Javali clear_bit(DPC_POST_IDC_ACK, &ha->dpc_flags); 53607ab284c9SNilesh Javali } 53617ab284c9SNilesh Javali 53627ab284c9SNilesh Javali if (is_qla8042(ha) && 53637ab284c9SNilesh Javali test_bit(DPC_RESTORE_ACB, &ha->dpc_flags)) { 53647ab284c9SNilesh Javali ql4_printk(KERN_INFO, ha, "%s: Restoring ACB\n", 53657ab284c9SNilesh Javali __func__); 53667ab284c9SNilesh Javali if (qla4_84xx_config_acb(ha, ACB_CONFIG_SET) != 53677ab284c9SNilesh Javali QLA_SUCCESS) { 53687ab284c9SNilesh Javali ql4_printk(KERN_INFO, ha, "%s: ACB config failed ", 53697ab284c9SNilesh Javali __func__); 53707ab284c9SNilesh Javali } 53717ab284c9SNilesh Javali clear_bit(DPC_RESTORE_ACB, &ha->dpc_flags); 53727ab284c9SNilesh Javali } 5373320a61deSNilesh Javali 5374f4f5df23SVikas Chaudhary if (test_and_clear_bit(DPC_HA_NEED_QUIESCENT, &ha->dpc_flags)) { 5375f4f5df23SVikas Chaudhary qla4_8xxx_need_qsnt_handler(ha); 5376f4f5df23SVikas Chaudhary } 5377f4f5df23SVikas Chaudhary } 5378f4f5df23SVikas Chaudhary 5379f4f5df23SVikas Chaudhary if (!test_bit(DPC_RESET_ACTIVE, &ha->dpc_flags) && 5380f4f5df23SVikas Chaudhary (test_bit(DPC_RESET_HA, &ha->dpc_flags) || 5381afaf5a2dSDavid Somayajulu test_bit(DPC_RESET_HA_INTR, &ha->dpc_flags) || 5382f4f5df23SVikas Chaudhary test_bit(DPC_RESET_HA_FW_CONTEXT, &ha->dpc_flags))) { 53836e7b4292SVikas Chaudhary if ((is_qla8022(ha) && ql4xdontresethba) || 5384b37ca418SVikas Chaudhary ((is_qla8032(ha) || is_qla8042(ha)) && 5385b37ca418SVikas Chaudhary qla4_83xx_idc_dontreset(ha))) { 5386f4f5df23SVikas Chaudhary DEBUG2(printk("scsi%ld: %s: Don't Reset HBA\n", 5387f4f5df23SVikas Chaudhary ha->host_no, __func__)); 5388f4f5df23SVikas Chaudhary clear_bit(DPC_RESET_HA, &ha->dpc_flags); 5389f4f5df23SVikas Chaudhary clear_bit(DPC_RESET_HA_INTR, &ha->dpc_flags); 5390f4f5df23SVikas Chaudhary clear_bit(DPC_RESET_HA_FW_CONTEXT, &ha->dpc_flags); 5391f4f5df23SVikas Chaudhary goto dpc_post_reset_ha; 5392f4f5df23SVikas Chaudhary } 5393f4f5df23SVikas Chaudhary if (test_bit(DPC_RESET_HA_FW_CONTEXT, &ha->dpc_flags) || 5394f26b9044SDavid C Somayajulu test_bit(DPC_RESET_HA, &ha->dpc_flags)) 5395f4f5df23SVikas Chaudhary qla4xxx_recover_adapter(ha); 5396afaf5a2dSDavid Somayajulu 5397477ffb9dSDavid C Somayajulu if (test_bit(DPC_RESET_HA_INTR, &ha->dpc_flags)) { 5398afaf5a2dSDavid Somayajulu uint8_t wait_time = RESET_INTR_TOV; 5399afaf5a2dSDavid Somayajulu 5400afaf5a2dSDavid Somayajulu while ((readw(&ha->reg->ctrl_status) & 5401afaf5a2dSDavid Somayajulu (CSR_SOFT_RESET | CSR_FORCE_SOFT_RESET)) != 0) { 5402afaf5a2dSDavid Somayajulu if (--wait_time == 0) 5403afaf5a2dSDavid Somayajulu break; 5404afaf5a2dSDavid Somayajulu msleep(1000); 5405afaf5a2dSDavid Somayajulu } 5406afaf5a2dSDavid Somayajulu if (wait_time == 0) 5407afaf5a2dSDavid Somayajulu DEBUG2(printk("scsi%ld: %s: SR|FSR " 5408afaf5a2dSDavid Somayajulu "bit not cleared-- resetting\n", 5409afaf5a2dSDavid Somayajulu ha->host_no, __func__)); 5410f4f5df23SVikas Chaudhary qla4xxx_abort_active_cmds(ha, DID_RESET << 16); 5411477ffb9dSDavid C Somayajulu if (ql4xxx_lock_drvr_wait(ha) == QLA_SUCCESS) { 5412477ffb9dSDavid C Somayajulu qla4xxx_process_aen(ha, FLUSH_DDB_CHANGED_AENS); 5413f4f5df23SVikas Chaudhary status = qla4xxx_recover_adapter(ha); 5414477ffb9dSDavid C Somayajulu } 5415477ffb9dSDavid C Somayajulu clear_bit(DPC_RESET_HA_INTR, &ha->dpc_flags); 5416477ffb9dSDavid C Somayajulu if (status == QLA_SUCCESS) 5417f4f5df23SVikas Chaudhary ha->isp_ops->enable_intrs(ha); 5418afaf5a2dSDavid Somayajulu } 5419afaf5a2dSDavid Somayajulu } 5420afaf5a2dSDavid Somayajulu 5421f4f5df23SVikas Chaudhary dpc_post_reset_ha: 5422afaf5a2dSDavid Somayajulu /* ---- process AEN? --- */ 5423afaf5a2dSDavid Somayajulu if (test_and_clear_bit(DPC_AEN, &ha->dpc_flags)) 5424afaf5a2dSDavid Somayajulu qla4xxx_process_aen(ha, PROCESS_ALL_AENS); 5425afaf5a2dSDavid Somayajulu 5426afaf5a2dSDavid Somayajulu /* ---- Get DHCP IP Address? --- */ 5427afaf5a2dSDavid Somayajulu if (test_and_clear_bit(DPC_GET_DHCP_IP_ADDR, &ha->dpc_flags)) 5428afaf5a2dSDavid Somayajulu qla4xxx_get_dhcp_ip_address(ha); 5429afaf5a2dSDavid Somayajulu 543013483730SMike Christie /* ---- relogin device? --- */ 543113483730SMike Christie if (adapter_up(ha) && 543213483730SMike Christie test_and_clear_bit(DPC_RELOGIN_DEVICE, &ha->dpc_flags)) { 543313483730SMike Christie iscsi_host_for_each_session(ha->host, qla4xxx_dpc_relogin); 543413483730SMike Christie } 543513483730SMike Christie 5436065aa1b4SVikas Chaudhary /* ---- link change? --- */ 5437026fbd3aSNilesh Javali if (!test_bit(AF_LOOPBACK, &ha->flags) && 5438026fbd3aSNilesh Javali test_and_clear_bit(DPC_LINK_CHANGED, &ha->dpc_flags)) { 5439065aa1b4SVikas Chaudhary if (!test_bit(AF_LINK_UP, &ha->flags)) { 5440065aa1b4SVikas Chaudhary /* ---- link down? --- */ 54412d7924e6SVikas Chaudhary qla4xxx_mark_all_devices_missing(ha); 5442065aa1b4SVikas Chaudhary } else { 5443065aa1b4SVikas Chaudhary /* ---- link up? --- * 5444065aa1b4SVikas Chaudhary * F/W will auto login to all devices ONLY ONCE after 5445065aa1b4SVikas Chaudhary * link up during driver initialization and runtime 5446065aa1b4SVikas Chaudhary * fatal error recovery. Therefore, the driver must 5447065aa1b4SVikas Chaudhary * manually relogin to devices when recovering from 5448065aa1b4SVikas Chaudhary * connection failures, logouts, expired KATO, etc. */ 544913483730SMike Christie if (test_and_clear_bit(AF_BUILD_DDB_LIST, &ha->flags)) { 545013483730SMike Christie qla4xxx_build_ddb_list(ha, ha->is_reset); 545113483730SMike Christie iscsi_host_for_each_session(ha->host, 545213483730SMike Christie qla4xxx_login_flash_ddb); 545313483730SMike Christie } else 54542d7924e6SVikas Chaudhary qla4xxx_relogin_all_devices(ha); 5455065aa1b4SVikas Chaudhary } 5456065aa1b4SVikas Chaudhary } 5457906cbf3dSNilesh Javali if (test_and_clear_bit(DPC_SYSFS_DDB_EXPORT, &ha->dpc_flags)) { 5458906cbf3dSNilesh Javali if (qla4xxx_sysfs_ddb_export(ha)) 5459906cbf3dSNilesh Javali ql4_printk(KERN_ERR, ha, "%s: Error exporting ddb to sysfs\n", 5460906cbf3dSNilesh Javali __func__); 5461906cbf3dSNilesh Javali } 5462afaf5a2dSDavid Somayajulu } 5463afaf5a2dSDavid Somayajulu 5464afaf5a2dSDavid Somayajulu /** 5465afaf5a2dSDavid Somayajulu * qla4xxx_free_adapter - release the adapter 5466afaf5a2dSDavid Somayajulu * @ha: pointer to adapter structure 5467afaf5a2dSDavid Somayajulu **/ 5468afaf5a2dSDavid Somayajulu static void qla4xxx_free_adapter(struct scsi_qla_host *ha) 5469afaf5a2dSDavid Somayajulu { 54708a288960SSarang Radke qla4xxx_abort_active_cmds(ha, DID_NO_CONNECT << 16); 5471afaf5a2dSDavid Somayajulu 5472afaf5a2dSDavid Somayajulu /* Turn-off interrupts on the card. */ 5473f4f5df23SVikas Chaudhary ha->isp_ops->disable_intrs(ha); 5474afaf5a2dSDavid Somayajulu 5475d9e62e51SVikas Chaudhary if (is_qla40XX(ha)) { 5476d9e62e51SVikas Chaudhary writel(set_rmask(CSR_SCSI_PROCESSOR_INTR), 5477d9e62e51SVikas Chaudhary &ha->reg->ctrl_status); 5478d9e62e51SVikas Chaudhary readl(&ha->reg->ctrl_status); 5479d9e62e51SVikas Chaudhary } else if (is_qla8022(ha)) { 54807664a1fdSVikas Chaudhary writel(0, &ha->qla4_82xx_reg->host_int); 54817664a1fdSVikas Chaudhary readl(&ha->qla4_82xx_reg->host_int); 5482b37ca418SVikas Chaudhary } else if (is_qla8032(ha) || is_qla8042(ha)) { 5483fbd8107cSVikas Chaudhary writel(0, &ha->qla4_83xx_reg->risc_intr); 5484fbd8107cSVikas Chaudhary readl(&ha->qla4_83xx_reg->risc_intr); 5485d9e62e51SVikas Chaudhary } 5486d9e62e51SVikas Chaudhary 5487afaf5a2dSDavid Somayajulu /* Remove timer thread, if present */ 5488afaf5a2dSDavid Somayajulu if (ha->timer_active) 5489afaf5a2dSDavid Somayajulu qla4xxx_stop_timer(ha); 5490afaf5a2dSDavid Somayajulu 5491f4f5df23SVikas Chaudhary /* Kill the kernel thread for this host */ 5492f4f5df23SVikas Chaudhary if (ha->dpc_thread) 5493f4f5df23SVikas Chaudhary destroy_workqueue(ha->dpc_thread); 5494f4f5df23SVikas Chaudhary 5495b3a271a9SManish Rangankar /* Kill the kernel thread for this host */ 5496b3a271a9SManish Rangankar if (ha->task_wq) 5497b3a271a9SManish Rangankar destroy_workqueue(ha->task_wq); 5498b3a271a9SManish Rangankar 5499f4f5df23SVikas Chaudhary /* Put firmware in known state */ 5500f4f5df23SVikas Chaudhary ha->isp_ops->reset_firmware(ha); 5501f4f5df23SVikas Chaudhary 55026e7b4292SVikas Chaudhary if (is_qla80XX(ha)) { 550333693c7aSVikas Chaudhary ha->isp_ops->idc_lock(ha); 5504f4f5df23SVikas Chaudhary qla4_8xxx_clear_drv_active(ha); 550533693c7aSVikas Chaudhary ha->isp_ops->idc_unlock(ha); 5506f4f5df23SVikas Chaudhary } 5507f4f5df23SVikas Chaudhary 5508afaf5a2dSDavid Somayajulu /* Detach interrupts */ 5509f4f5df23SVikas Chaudhary qla4xxx_free_irqs(ha); 5510afaf5a2dSDavid Somayajulu 5511bee4fe8eSDavid C Somayajulu /* free extra memory */ 5512bee4fe8eSDavid C Somayajulu qla4xxx_mem_free(ha); 5513f4f5df23SVikas Chaudhary } 5514bee4fe8eSDavid C Somayajulu 5515f4f5df23SVikas Chaudhary int qla4_8xxx_iospace_config(struct scsi_qla_host *ha) 5516f4f5df23SVikas Chaudhary { 5517f4f5df23SVikas Chaudhary int status = 0; 5518685f9479SLee Jones unsigned long mem_base, mem_len; 5519f4f5df23SVikas Chaudhary struct pci_dev *pdev = ha->pdev; 5520afaf5a2dSDavid Somayajulu 5521f4f5df23SVikas Chaudhary status = pci_request_regions(pdev, DRIVER_NAME); 5522f4f5df23SVikas Chaudhary if (status) { 5523f4f5df23SVikas Chaudhary printk(KERN_WARNING 5524f4f5df23SVikas Chaudhary "scsi(%ld) Failed to reserve PIO regions (%s) " 5525f4f5df23SVikas Chaudhary "status=%d\n", ha->host_no, pci_name(pdev), status); 5526f4f5df23SVikas Chaudhary goto iospace_error_exit; 5527f4f5df23SVikas Chaudhary } 5528f4f5df23SVikas Chaudhary 5529f4f5df23SVikas Chaudhary DEBUG2(printk(KERN_INFO "%s: revision-id=%d\n", 55307d7311c4SSergei Shtylyov __func__, pdev->revision)); 55317d7311c4SSergei Shtylyov ha->revision_id = pdev->revision; 5532f4f5df23SVikas Chaudhary 5533f4f5df23SVikas Chaudhary /* remap phys address */ 5534f4f5df23SVikas Chaudhary mem_base = pci_resource_start(pdev, 0); /* 0 is for BAR 0 */ 5535f4f5df23SVikas Chaudhary mem_len = pci_resource_len(pdev, 0); 5536f4f5df23SVikas Chaudhary DEBUG2(printk(KERN_INFO "%s: ioremap from %lx a size of %lx\n", 5537f4f5df23SVikas Chaudhary __func__, mem_base, mem_len)); 5538f4f5df23SVikas Chaudhary 5539f4f5df23SVikas Chaudhary /* mapping of pcibase pointer */ 5540f4f5df23SVikas Chaudhary ha->nx_pcibase = (unsigned long)ioremap(mem_base, mem_len); 5541f4f5df23SVikas Chaudhary if (!ha->nx_pcibase) { 5542f4f5df23SVikas Chaudhary printk(KERN_ERR 5543f4f5df23SVikas Chaudhary "cannot remap MMIO (%s), aborting\n", pci_name(pdev)); 5544f4f5df23SVikas Chaudhary pci_release_regions(ha->pdev); 5545f4f5df23SVikas Chaudhary goto iospace_error_exit; 5546f4f5df23SVikas Chaudhary } 5547f4f5df23SVikas Chaudhary 5548f4f5df23SVikas Chaudhary /* Mapping of IO base pointer, door bell read and write pointer */ 5549f4f5df23SVikas Chaudhary 5550f4f5df23SVikas Chaudhary /* mapping of IO base pointer */ 55516e7b4292SVikas Chaudhary if (is_qla8022(ha)) { 55526e7b4292SVikas Chaudhary ha->qla4_82xx_reg = (struct device_reg_82xx __iomem *) 55536e7b4292SVikas Chaudhary ((uint8_t *)ha->nx_pcibase + 0xbc000 + 55546e7b4292SVikas Chaudhary (ha->pdev->devfn << 11)); 55556e7b4292SVikas Chaudhary ha->nx_db_wr_ptr = (ha->pdev->devfn == 4 ? QLA82XX_CAM_RAM_DB1 : 55566e7b4292SVikas Chaudhary QLA82XX_CAM_RAM_DB2); 5557b37ca418SVikas Chaudhary } else if (is_qla8032(ha) || is_qla8042(ha)) { 55586e7b4292SVikas Chaudhary ha->qla4_83xx_reg = (struct device_reg_83xx __iomem *) 55596e7b4292SVikas Chaudhary ((uint8_t *)ha->nx_pcibase); 55606e7b4292SVikas Chaudhary } 5561f4f5df23SVikas Chaudhary 55622657c800SShyam Sundar return 0; 5563f4f5df23SVikas Chaudhary iospace_error_exit: 5564f4f5df23SVikas Chaudhary return -ENOMEM; 5565afaf5a2dSDavid Somayajulu } 5566afaf5a2dSDavid Somayajulu 5567afaf5a2dSDavid Somayajulu /*** 5568afaf5a2dSDavid Somayajulu * qla4xxx_iospace_config - maps registers 5569afaf5a2dSDavid Somayajulu * @ha: pointer to adapter structure 5570afaf5a2dSDavid Somayajulu * 5571afaf5a2dSDavid Somayajulu * This routines maps HBA's registers from the pci address space 5572afaf5a2dSDavid Somayajulu * into the kernel virtual address space for memory mapped i/o. 5573afaf5a2dSDavid Somayajulu **/ 5574f4f5df23SVikas Chaudhary int qla4xxx_iospace_config(struct scsi_qla_host *ha) 5575afaf5a2dSDavid Somayajulu { 5576afaf5a2dSDavid Somayajulu unsigned long pio, pio_len, pio_flags; 5577afaf5a2dSDavid Somayajulu unsigned long mmio, mmio_len, mmio_flags; 5578afaf5a2dSDavid Somayajulu 5579afaf5a2dSDavid Somayajulu pio = pci_resource_start(ha->pdev, 0); 5580afaf5a2dSDavid Somayajulu pio_len = pci_resource_len(ha->pdev, 0); 5581afaf5a2dSDavid Somayajulu pio_flags = pci_resource_flags(ha->pdev, 0); 5582afaf5a2dSDavid Somayajulu if (pio_flags & IORESOURCE_IO) { 5583afaf5a2dSDavid Somayajulu if (pio_len < MIN_IOBASE_LEN) { 5584c2660df3SVikas Chaudhary ql4_printk(KERN_WARNING, ha, 5585afaf5a2dSDavid Somayajulu "Invalid PCI I/O region size\n"); 5586afaf5a2dSDavid Somayajulu pio = 0; 5587afaf5a2dSDavid Somayajulu } 5588afaf5a2dSDavid Somayajulu } else { 5589c2660df3SVikas Chaudhary ql4_printk(KERN_WARNING, ha, "region #0 not a PIO resource\n"); 5590afaf5a2dSDavid Somayajulu pio = 0; 5591afaf5a2dSDavid Somayajulu } 5592afaf5a2dSDavid Somayajulu 5593afaf5a2dSDavid Somayajulu /* Use MMIO operations for all accesses. */ 5594afaf5a2dSDavid Somayajulu mmio = pci_resource_start(ha->pdev, 1); 5595afaf5a2dSDavid Somayajulu mmio_len = pci_resource_len(ha->pdev, 1); 5596afaf5a2dSDavid Somayajulu mmio_flags = pci_resource_flags(ha->pdev, 1); 5597afaf5a2dSDavid Somayajulu 5598afaf5a2dSDavid Somayajulu if (!(mmio_flags & IORESOURCE_MEM)) { 5599c2660df3SVikas Chaudhary ql4_printk(KERN_ERR, ha, 5600afaf5a2dSDavid Somayajulu "region #0 not an MMIO resource, aborting\n"); 5601afaf5a2dSDavid Somayajulu 5602afaf5a2dSDavid Somayajulu goto iospace_error_exit; 5603afaf5a2dSDavid Somayajulu } 5604c2660df3SVikas Chaudhary 5605afaf5a2dSDavid Somayajulu if (mmio_len < MIN_IOBASE_LEN) { 5606c2660df3SVikas Chaudhary ql4_printk(KERN_ERR, ha, 5607afaf5a2dSDavid Somayajulu "Invalid PCI mem region size, aborting\n"); 5608afaf5a2dSDavid Somayajulu goto iospace_error_exit; 5609afaf5a2dSDavid Somayajulu } 5610afaf5a2dSDavid Somayajulu 5611afaf5a2dSDavid Somayajulu if (pci_request_regions(ha->pdev, DRIVER_NAME)) { 5612c2660df3SVikas Chaudhary ql4_printk(KERN_WARNING, ha, 5613afaf5a2dSDavid Somayajulu "Failed to reserve PIO/MMIO regions\n"); 5614afaf5a2dSDavid Somayajulu 5615afaf5a2dSDavid Somayajulu goto iospace_error_exit; 5616afaf5a2dSDavid Somayajulu } 5617afaf5a2dSDavid Somayajulu 5618afaf5a2dSDavid Somayajulu ha->pio_address = pio; 5619afaf5a2dSDavid Somayajulu ha->pio_length = pio_len; 5620afaf5a2dSDavid Somayajulu ha->reg = ioremap(mmio, MIN_IOBASE_LEN); 5621afaf5a2dSDavid Somayajulu if (!ha->reg) { 5622c2660df3SVikas Chaudhary ql4_printk(KERN_ERR, ha, 5623afaf5a2dSDavid Somayajulu "cannot remap MMIO, aborting\n"); 5624afaf5a2dSDavid Somayajulu 5625afaf5a2dSDavid Somayajulu goto iospace_error_exit; 5626afaf5a2dSDavid Somayajulu } 5627afaf5a2dSDavid Somayajulu 5628afaf5a2dSDavid Somayajulu return 0; 5629afaf5a2dSDavid Somayajulu 5630afaf5a2dSDavid Somayajulu iospace_error_exit: 5631afaf5a2dSDavid Somayajulu return -ENOMEM; 5632afaf5a2dSDavid Somayajulu } 5633afaf5a2dSDavid Somayajulu 5634f4f5df23SVikas Chaudhary static struct isp_operations qla4xxx_isp_ops = { 5635f4f5df23SVikas Chaudhary .iospace_config = qla4xxx_iospace_config, 5636f4f5df23SVikas Chaudhary .pci_config = qla4xxx_pci_config, 5637f4f5df23SVikas Chaudhary .disable_intrs = qla4xxx_disable_intrs, 5638f4f5df23SVikas Chaudhary .enable_intrs = qla4xxx_enable_intrs, 5639f4f5df23SVikas Chaudhary .start_firmware = qla4xxx_start_firmware, 5640f4f5df23SVikas Chaudhary .intr_handler = qla4xxx_intr_handler, 5641f4f5df23SVikas Chaudhary .interrupt_service_routine = qla4xxx_interrupt_service_routine, 5642f4f5df23SVikas Chaudhary .reset_chip = qla4xxx_soft_reset, 5643f4f5df23SVikas Chaudhary .reset_firmware = qla4xxx_hw_reset, 5644f4f5df23SVikas Chaudhary .queue_iocb = qla4xxx_queue_iocb, 5645f4f5df23SVikas Chaudhary .complete_iocb = qla4xxx_complete_iocb, 5646f4f5df23SVikas Chaudhary .rd_shdw_req_q_out = qla4xxx_rd_shdw_req_q_out, 5647f4f5df23SVikas Chaudhary .rd_shdw_rsp_q_in = qla4xxx_rd_shdw_rsp_q_in, 5648f4f5df23SVikas Chaudhary .get_sys_info = qla4xxx_get_sys_info, 564933693c7aSVikas Chaudhary .queue_mailbox_command = qla4xxx_queue_mbox_cmd, 565033693c7aSVikas Chaudhary .process_mailbox_interrupt = qla4xxx_process_mbox_intr, 5651f4f5df23SVikas Chaudhary }; 5652f4f5df23SVikas Chaudhary 56537664a1fdSVikas Chaudhary static struct isp_operations qla4_82xx_isp_ops = { 5654f4f5df23SVikas Chaudhary .iospace_config = qla4_8xxx_iospace_config, 5655f4f5df23SVikas Chaudhary .pci_config = qla4_8xxx_pci_config, 5656f8086f4fSVikas Chaudhary .disable_intrs = qla4_82xx_disable_intrs, 5657f8086f4fSVikas Chaudhary .enable_intrs = qla4_82xx_enable_intrs, 5658f4f5df23SVikas Chaudhary .start_firmware = qla4_8xxx_load_risc, 565933693c7aSVikas Chaudhary .restart_firmware = qla4_82xx_try_start_fw, 5660f8086f4fSVikas Chaudhary .intr_handler = qla4_82xx_intr_handler, 5661f8086f4fSVikas Chaudhary .interrupt_service_routine = qla4_82xx_interrupt_service_routine, 566233693c7aSVikas Chaudhary .need_reset = qla4_8xxx_need_reset, 5663f8086f4fSVikas Chaudhary .reset_chip = qla4_82xx_isp_reset, 5664f4f5df23SVikas Chaudhary .reset_firmware = qla4_8xxx_stop_firmware, 5665f8086f4fSVikas Chaudhary .queue_iocb = qla4_82xx_queue_iocb, 5666f8086f4fSVikas Chaudhary .complete_iocb = qla4_82xx_complete_iocb, 5667f8086f4fSVikas Chaudhary .rd_shdw_req_q_out = qla4_82xx_rd_shdw_req_q_out, 5668f8086f4fSVikas Chaudhary .rd_shdw_rsp_q_in = qla4_82xx_rd_shdw_rsp_q_in, 5669f4f5df23SVikas Chaudhary .get_sys_info = qla4_8xxx_get_sys_info, 567033693c7aSVikas Chaudhary .rd_reg_direct = qla4_82xx_rd_32, 567133693c7aSVikas Chaudhary .wr_reg_direct = qla4_82xx_wr_32, 567233693c7aSVikas Chaudhary .rd_reg_indirect = qla4_82xx_md_rd_32, 567333693c7aSVikas Chaudhary .wr_reg_indirect = qla4_82xx_md_wr_32, 567433693c7aSVikas Chaudhary .idc_lock = qla4_82xx_idc_lock, 567533693c7aSVikas Chaudhary .idc_unlock = qla4_82xx_idc_unlock, 567633693c7aSVikas Chaudhary .rom_lock_recovery = qla4_82xx_rom_lock_recovery, 567733693c7aSVikas Chaudhary .queue_mailbox_command = qla4_82xx_queue_mbox_cmd, 567833693c7aSVikas Chaudhary .process_mailbox_interrupt = qla4_82xx_process_mbox_intr, 5679f4f5df23SVikas Chaudhary }; 5680f4f5df23SVikas Chaudhary 56816e7b4292SVikas Chaudhary static struct isp_operations qla4_83xx_isp_ops = { 56826e7b4292SVikas Chaudhary .iospace_config = qla4_8xxx_iospace_config, 56836e7b4292SVikas Chaudhary .pci_config = qla4_8xxx_pci_config, 56846e7b4292SVikas Chaudhary .disable_intrs = qla4_83xx_disable_intrs, 56856e7b4292SVikas Chaudhary .enable_intrs = qla4_83xx_enable_intrs, 56866e7b4292SVikas Chaudhary .start_firmware = qla4_8xxx_load_risc, 56876e7b4292SVikas Chaudhary .restart_firmware = qla4_83xx_start_firmware, 56886e7b4292SVikas Chaudhary .intr_handler = qla4_83xx_intr_handler, 56896e7b4292SVikas Chaudhary .interrupt_service_routine = qla4_83xx_interrupt_service_routine, 56906e7b4292SVikas Chaudhary .need_reset = qla4_8xxx_need_reset, 56916e7b4292SVikas Chaudhary .reset_chip = qla4_83xx_isp_reset, 56926e7b4292SVikas Chaudhary .reset_firmware = qla4_8xxx_stop_firmware, 56936e7b4292SVikas Chaudhary .queue_iocb = qla4_83xx_queue_iocb, 56946e7b4292SVikas Chaudhary .complete_iocb = qla4_83xx_complete_iocb, 5695a24058f9STej Parkash .rd_shdw_req_q_out = qla4xxx_rd_shdw_req_q_out, 5696a24058f9STej Parkash .rd_shdw_rsp_q_in = qla4xxx_rd_shdw_rsp_q_in, 56976e7b4292SVikas Chaudhary .get_sys_info = qla4_8xxx_get_sys_info, 56986e7b4292SVikas Chaudhary .rd_reg_direct = qla4_83xx_rd_reg, 56996e7b4292SVikas Chaudhary .wr_reg_direct = qla4_83xx_wr_reg, 57006e7b4292SVikas Chaudhary .rd_reg_indirect = qla4_83xx_rd_reg_indirect, 57016e7b4292SVikas Chaudhary .wr_reg_indirect = qla4_83xx_wr_reg_indirect, 57026e7b4292SVikas Chaudhary .idc_lock = qla4_83xx_drv_lock, 57036e7b4292SVikas Chaudhary .idc_unlock = qla4_83xx_drv_unlock, 57046e7b4292SVikas Chaudhary .rom_lock_recovery = qla4_83xx_rom_lock_recovery, 57056e7b4292SVikas Chaudhary .queue_mailbox_command = qla4_83xx_queue_mbox_cmd, 57066e7b4292SVikas Chaudhary .process_mailbox_interrupt = qla4_83xx_process_mbox_intr, 5707f4f5df23SVikas Chaudhary }; 5708f4f5df23SVikas Chaudhary 5709f4f5df23SVikas Chaudhary uint16_t qla4xxx_rd_shdw_req_q_out(struct scsi_qla_host *ha) 5710f4f5df23SVikas Chaudhary { 5711f4f5df23SVikas Chaudhary return (uint16_t)le32_to_cpu(ha->shadow_regs->req_q_out); 5712f4f5df23SVikas Chaudhary } 5713f4f5df23SVikas Chaudhary 5714f8086f4fSVikas Chaudhary uint16_t qla4_82xx_rd_shdw_req_q_out(struct scsi_qla_host *ha) 5715f4f5df23SVikas Chaudhary { 57167664a1fdSVikas Chaudhary return (uint16_t)le32_to_cpu(readl(&ha->qla4_82xx_reg->req_q_out)); 5717f4f5df23SVikas Chaudhary } 5718f4f5df23SVikas Chaudhary 5719f4f5df23SVikas Chaudhary uint16_t qla4xxx_rd_shdw_rsp_q_in(struct scsi_qla_host *ha) 5720f4f5df23SVikas Chaudhary { 5721f4f5df23SVikas Chaudhary return (uint16_t)le32_to_cpu(ha->shadow_regs->rsp_q_in); 5722f4f5df23SVikas Chaudhary } 5723f4f5df23SVikas Chaudhary 5724f8086f4fSVikas Chaudhary uint16_t qla4_82xx_rd_shdw_rsp_q_in(struct scsi_qla_host *ha) 5725f4f5df23SVikas Chaudhary { 57267664a1fdSVikas Chaudhary return (uint16_t)le32_to_cpu(readl(&ha->qla4_82xx_reg->rsp_q_in)); 5727f4f5df23SVikas Chaudhary } 5728f4f5df23SVikas Chaudhary 57292a991c21SManish Rangankar static ssize_t qla4xxx_show_boot_eth_info(void *data, int type, char *buf) 57302a991c21SManish Rangankar { 57312a991c21SManish Rangankar struct scsi_qla_host *ha = data; 57322a991c21SManish Rangankar char *str = buf; 57332a991c21SManish Rangankar int rc; 57342a991c21SManish Rangankar 57352a991c21SManish Rangankar switch (type) { 57362a991c21SManish Rangankar case ISCSI_BOOT_ETH_FLAGS: 57372a991c21SManish Rangankar rc = sprintf(str, "%d\n", SYSFS_FLAG_FW_SEL_BOOT); 57382a991c21SManish Rangankar break; 57392a991c21SManish Rangankar case ISCSI_BOOT_ETH_INDEX: 57402a991c21SManish Rangankar rc = sprintf(str, "0\n"); 57412a991c21SManish Rangankar break; 57422a991c21SManish Rangankar case ISCSI_BOOT_ETH_MAC: 57432a991c21SManish Rangankar rc = sysfs_format_mac(str, ha->my_mac, 57442a991c21SManish Rangankar MAC_ADDR_LEN); 57452a991c21SManish Rangankar break; 57462a991c21SManish Rangankar default: 57472a991c21SManish Rangankar rc = -ENOSYS; 57482a991c21SManish Rangankar break; 57492a991c21SManish Rangankar } 57502a991c21SManish Rangankar return rc; 57512a991c21SManish Rangankar } 57522a991c21SManish Rangankar 5753587a1f16SAl Viro static umode_t qla4xxx_eth_get_attr_visibility(void *data, int type) 57542a991c21SManish Rangankar { 57552a991c21SManish Rangankar int rc; 57562a991c21SManish Rangankar 57572a991c21SManish Rangankar switch (type) { 57582a991c21SManish Rangankar case ISCSI_BOOT_ETH_FLAGS: 57592a991c21SManish Rangankar case ISCSI_BOOT_ETH_MAC: 57602a991c21SManish Rangankar case ISCSI_BOOT_ETH_INDEX: 57612a991c21SManish Rangankar rc = S_IRUGO; 57622a991c21SManish Rangankar break; 57632a991c21SManish Rangankar default: 57642a991c21SManish Rangankar rc = 0; 57652a991c21SManish Rangankar break; 57662a991c21SManish Rangankar } 57672a991c21SManish Rangankar return rc; 57682a991c21SManish Rangankar } 57692a991c21SManish Rangankar 57702a991c21SManish Rangankar static ssize_t qla4xxx_show_boot_ini_info(void *data, int type, char *buf) 57712a991c21SManish Rangankar { 57722a991c21SManish Rangankar struct scsi_qla_host *ha = data; 57732a991c21SManish Rangankar char *str = buf; 57742a991c21SManish Rangankar int rc; 57752a991c21SManish Rangankar 57762a991c21SManish Rangankar switch (type) { 57772a991c21SManish Rangankar case ISCSI_BOOT_INI_INITIATOR_NAME: 57782a991c21SManish Rangankar rc = sprintf(str, "%s\n", ha->name_string); 57792a991c21SManish Rangankar break; 57802a991c21SManish Rangankar default: 57812a991c21SManish Rangankar rc = -ENOSYS; 57822a991c21SManish Rangankar break; 57832a991c21SManish Rangankar } 57842a991c21SManish Rangankar return rc; 57852a991c21SManish Rangankar } 57862a991c21SManish Rangankar 5787587a1f16SAl Viro static umode_t qla4xxx_ini_get_attr_visibility(void *data, int type) 57882a991c21SManish Rangankar { 57892a991c21SManish Rangankar int rc; 57902a991c21SManish Rangankar 57912a991c21SManish Rangankar switch (type) { 57922a991c21SManish Rangankar case ISCSI_BOOT_INI_INITIATOR_NAME: 57932a991c21SManish Rangankar rc = S_IRUGO; 57942a991c21SManish Rangankar break; 57952a991c21SManish Rangankar default: 57962a991c21SManish Rangankar rc = 0; 57972a991c21SManish Rangankar break; 57982a991c21SManish Rangankar } 57992a991c21SManish Rangankar return rc; 58002a991c21SManish Rangankar } 58012a991c21SManish Rangankar 58022a991c21SManish Rangankar static ssize_t 58032a991c21SManish Rangankar qla4xxx_show_boot_tgt_info(struct ql4_boot_session_info *boot_sess, int type, 58042a991c21SManish Rangankar char *buf) 58052a991c21SManish Rangankar { 58062a991c21SManish Rangankar struct ql4_conn_info *boot_conn = &boot_sess->conn_list[0]; 58072a991c21SManish Rangankar char *str = buf; 58082a991c21SManish Rangankar int rc; 58092a991c21SManish Rangankar 58102a991c21SManish Rangankar switch (type) { 58112a991c21SManish Rangankar case ISCSI_BOOT_TGT_NAME: 58122a991c21SManish Rangankar rc = sprintf(buf, "%s\n", (char *)&boot_sess->target_name); 58132a991c21SManish Rangankar break; 58142a991c21SManish Rangankar case ISCSI_BOOT_TGT_IP_ADDR: 58152a991c21SManish Rangankar if (boot_sess->conn_list[0].dest_ipaddr.ip_type == 0x1) 58162a991c21SManish Rangankar rc = sprintf(buf, "%pI4\n", 58172a991c21SManish Rangankar &boot_conn->dest_ipaddr.ip_address); 58182a991c21SManish Rangankar else 58192a991c21SManish Rangankar rc = sprintf(str, "%pI6\n", 58202a991c21SManish Rangankar &boot_conn->dest_ipaddr.ip_address); 58212a991c21SManish Rangankar break; 58222a991c21SManish Rangankar case ISCSI_BOOT_TGT_PORT: 58232a991c21SManish Rangankar rc = sprintf(str, "%d\n", boot_conn->dest_port); 58242a991c21SManish Rangankar break; 58252a991c21SManish Rangankar case ISCSI_BOOT_TGT_CHAP_NAME: 58262a991c21SManish Rangankar rc = sprintf(str, "%.*s\n", 58272a991c21SManish Rangankar boot_conn->chap.target_chap_name_length, 58282a991c21SManish Rangankar (char *)&boot_conn->chap.target_chap_name); 58292a991c21SManish Rangankar break; 58302a991c21SManish Rangankar case ISCSI_BOOT_TGT_CHAP_SECRET: 58312a991c21SManish Rangankar rc = sprintf(str, "%.*s\n", 58322a991c21SManish Rangankar boot_conn->chap.target_secret_length, 58332a991c21SManish Rangankar (char *)&boot_conn->chap.target_secret); 58342a991c21SManish Rangankar break; 58352a991c21SManish Rangankar case ISCSI_BOOT_TGT_REV_CHAP_NAME: 58362a991c21SManish Rangankar rc = sprintf(str, "%.*s\n", 58372a991c21SManish Rangankar boot_conn->chap.intr_chap_name_length, 58382a991c21SManish Rangankar (char *)&boot_conn->chap.intr_chap_name); 58392a991c21SManish Rangankar break; 58402a991c21SManish Rangankar case ISCSI_BOOT_TGT_REV_CHAP_SECRET: 58412a991c21SManish Rangankar rc = sprintf(str, "%.*s\n", 58422a991c21SManish Rangankar boot_conn->chap.intr_secret_length, 58432a991c21SManish Rangankar (char *)&boot_conn->chap.intr_secret); 58442a991c21SManish Rangankar break; 58452a991c21SManish Rangankar case ISCSI_BOOT_TGT_FLAGS: 58462a991c21SManish Rangankar rc = sprintf(str, "%d\n", SYSFS_FLAG_FW_SEL_BOOT); 58472a991c21SManish Rangankar break; 58482a991c21SManish Rangankar case ISCSI_BOOT_TGT_NIC_ASSOC: 58492a991c21SManish Rangankar rc = sprintf(str, "0\n"); 58502a991c21SManish Rangankar break; 58512a991c21SManish Rangankar default: 58522a991c21SManish Rangankar rc = -ENOSYS; 58532a991c21SManish Rangankar break; 58542a991c21SManish Rangankar } 58552a991c21SManish Rangankar return rc; 58562a991c21SManish Rangankar } 58572a991c21SManish Rangankar 58582a991c21SManish Rangankar static ssize_t qla4xxx_show_boot_tgt_pri_info(void *data, int type, char *buf) 58592a991c21SManish Rangankar { 58602a991c21SManish Rangankar struct scsi_qla_host *ha = data; 58612a991c21SManish Rangankar struct ql4_boot_session_info *boot_sess = &(ha->boot_tgt.boot_pri_sess); 58622a991c21SManish Rangankar 58632a991c21SManish Rangankar return qla4xxx_show_boot_tgt_info(boot_sess, type, buf); 58642a991c21SManish Rangankar } 58652a991c21SManish Rangankar 58662a991c21SManish Rangankar static ssize_t qla4xxx_show_boot_tgt_sec_info(void *data, int type, char *buf) 58672a991c21SManish Rangankar { 58682a991c21SManish Rangankar struct scsi_qla_host *ha = data; 58692a991c21SManish Rangankar struct ql4_boot_session_info *boot_sess = &(ha->boot_tgt.boot_sec_sess); 58702a991c21SManish Rangankar 58712a991c21SManish Rangankar return qla4xxx_show_boot_tgt_info(boot_sess, type, buf); 58722a991c21SManish Rangankar } 58732a991c21SManish Rangankar 5874587a1f16SAl Viro static umode_t qla4xxx_tgt_get_attr_visibility(void *data, int type) 58752a991c21SManish Rangankar { 58762a991c21SManish Rangankar int rc; 58772a991c21SManish Rangankar 58782a991c21SManish Rangankar switch (type) { 58792a991c21SManish Rangankar case ISCSI_BOOT_TGT_NAME: 58802a991c21SManish Rangankar case ISCSI_BOOT_TGT_IP_ADDR: 58812a991c21SManish Rangankar case ISCSI_BOOT_TGT_PORT: 58822a991c21SManish Rangankar case ISCSI_BOOT_TGT_CHAP_NAME: 58832a991c21SManish Rangankar case ISCSI_BOOT_TGT_CHAP_SECRET: 58842a991c21SManish Rangankar case ISCSI_BOOT_TGT_REV_CHAP_NAME: 58852a991c21SManish Rangankar case ISCSI_BOOT_TGT_REV_CHAP_SECRET: 58862a991c21SManish Rangankar case ISCSI_BOOT_TGT_NIC_ASSOC: 58872a991c21SManish Rangankar case ISCSI_BOOT_TGT_FLAGS: 58882a991c21SManish Rangankar rc = S_IRUGO; 58892a991c21SManish Rangankar break; 58902a991c21SManish Rangankar default: 58912a991c21SManish Rangankar rc = 0; 58922a991c21SManish Rangankar break; 58932a991c21SManish Rangankar } 58942a991c21SManish Rangankar return rc; 58952a991c21SManish Rangankar } 58962a991c21SManish Rangankar 58972a991c21SManish Rangankar static void qla4xxx_boot_release(void *data) 58982a991c21SManish Rangankar { 58992a991c21SManish Rangankar struct scsi_qla_host *ha = data; 59002a991c21SManish Rangankar 59012a991c21SManish Rangankar scsi_host_put(ha->host); 59022a991c21SManish Rangankar } 59032a991c21SManish Rangankar 59042a991c21SManish Rangankar static int get_fw_boot_info(struct scsi_qla_host *ha, uint16_t ddb_index[]) 59052a991c21SManish Rangankar { 59062a991c21SManish Rangankar dma_addr_t buf_dma; 59072a991c21SManish Rangankar uint32_t addr, pri_addr, sec_addr; 59082a991c21SManish Rangankar uint32_t offset; 59092a991c21SManish Rangankar uint16_t func_num; 59102a991c21SManish Rangankar uint8_t val; 59112a991c21SManish Rangankar uint8_t *buf = NULL; 59122a991c21SManish Rangankar size_t size = 13 * sizeof(uint8_t); 59132a991c21SManish Rangankar int ret = QLA_SUCCESS; 59142a991c21SManish Rangankar 59152a991c21SManish Rangankar func_num = PCI_FUNC(ha->pdev->devfn); 59162a991c21SManish Rangankar 59170d5b36b8SManish Rangankar ql4_printk(KERN_INFO, ha, "%s: Get FW boot info for 0x%x func %d\n", 59180d5b36b8SManish Rangankar __func__, ha->pdev->device, func_num); 59192a991c21SManish Rangankar 59200d5b36b8SManish Rangankar if (is_qla40XX(ha)) { 59212a991c21SManish Rangankar if (func_num == 1) { 59222a991c21SManish Rangankar addr = NVRAM_PORT0_BOOT_MODE; 59232a991c21SManish Rangankar pri_addr = NVRAM_PORT0_BOOT_PRI_TGT; 59242a991c21SManish Rangankar sec_addr = NVRAM_PORT0_BOOT_SEC_TGT; 59252a991c21SManish Rangankar } else if (func_num == 3) { 59262a991c21SManish Rangankar addr = NVRAM_PORT1_BOOT_MODE; 59272a991c21SManish Rangankar pri_addr = NVRAM_PORT1_BOOT_PRI_TGT; 59282a991c21SManish Rangankar sec_addr = NVRAM_PORT1_BOOT_SEC_TGT; 59292a991c21SManish Rangankar } else { 59302a991c21SManish Rangankar ret = QLA_ERROR; 59312a991c21SManish Rangankar goto exit_boot_info; 59322a991c21SManish Rangankar } 59332a991c21SManish Rangankar 59342a991c21SManish Rangankar /* Check Boot Mode */ 59352a991c21SManish Rangankar val = rd_nvram_byte(ha, addr); 59362a991c21SManish Rangankar if (!(val & 0x07)) { 5937e8fb00e0SManish Rangankar DEBUG2(ql4_printk(KERN_INFO, ha, "%s: Adapter boot " 5938e8fb00e0SManish Rangankar "options : 0x%x\n", __func__, val)); 59392a991c21SManish Rangankar ret = QLA_ERROR; 59402a991c21SManish Rangankar goto exit_boot_info; 59412a991c21SManish Rangankar } 59422a991c21SManish Rangankar 59432a991c21SManish Rangankar /* get primary valid target index */ 59442a991c21SManish Rangankar val = rd_nvram_byte(ha, pri_addr); 59452a991c21SManish Rangankar if (val & BIT_7) 59462a991c21SManish Rangankar ddb_index[0] = (val & 0x7f); 59472a991c21SManish Rangankar 59482a991c21SManish Rangankar /* get secondary valid target index */ 59492a991c21SManish Rangankar val = rd_nvram_byte(ha, sec_addr); 59502a991c21SManish Rangankar if (val & BIT_7) 59512a991c21SManish Rangankar ddb_index[1] = (val & 0x7f); 5952608f729cSArnd Bergmann goto exit_boot_info; 59533e788fb1SVikas Chaudhary } else if (is_qla80XX(ha)) { 59542a991c21SManish Rangankar buf = dma_alloc_coherent(&ha->pdev->dev, size, 59552a991c21SManish Rangankar &buf_dma, GFP_KERNEL); 59562a991c21SManish Rangankar if (!buf) { 59572a991c21SManish Rangankar DEBUG2(ql4_printk(KERN_ERR, ha, 59582a991c21SManish Rangankar "%s: Unable to allocate dma buffer\n", 59592a991c21SManish Rangankar __func__)); 59602a991c21SManish Rangankar ret = QLA_ERROR; 59612a991c21SManish Rangankar goto exit_boot_info; 59622a991c21SManish Rangankar } 59632a991c21SManish Rangankar 59642a991c21SManish Rangankar if (ha->port_num == 0) 59652a991c21SManish Rangankar offset = BOOT_PARAM_OFFSET_PORT0; 59662a991c21SManish Rangankar else if (ha->port_num == 1) 59672a991c21SManish Rangankar offset = BOOT_PARAM_OFFSET_PORT1; 59682a991c21SManish Rangankar else { 59692a991c21SManish Rangankar ret = QLA_ERROR; 59702a991c21SManish Rangankar goto exit_boot_info_free; 59712a991c21SManish Rangankar } 59722a991c21SManish Rangankar addr = FLASH_RAW_ACCESS_ADDR + (ha->hw.flt_iscsi_param * 4) + 59732a991c21SManish Rangankar offset; 59742a991c21SManish Rangankar if (qla4xxx_get_flash(ha, buf_dma, addr, 59752a991c21SManish Rangankar 13 * sizeof(uint8_t)) != QLA_SUCCESS) { 59762a991c21SManish Rangankar DEBUG2(ql4_printk(KERN_ERR, ha, "scsi%ld: %s: Get Flash" 59772a991c21SManish Rangankar " failed\n", ha->host_no, __func__)); 59782a991c21SManish Rangankar ret = QLA_ERROR; 59792a991c21SManish Rangankar goto exit_boot_info_free; 59802a991c21SManish Rangankar } 59812a991c21SManish Rangankar /* Check Boot Mode */ 59822a991c21SManish Rangankar if (!(buf[1] & 0x07)) { 5983e8fb00e0SManish Rangankar DEBUG2(ql4_printk(KERN_INFO, ha, "Firmware boot options" 5984e8fb00e0SManish Rangankar " : 0x%x\n", buf[1])); 59852a991c21SManish Rangankar ret = QLA_ERROR; 59862a991c21SManish Rangankar goto exit_boot_info_free; 59872a991c21SManish Rangankar } 59882a991c21SManish Rangankar 59892a991c21SManish Rangankar /* get primary valid target index */ 59902a991c21SManish Rangankar if (buf[2] & BIT_7) 59912a991c21SManish Rangankar ddb_index[0] = buf[2] & 0x7f; 59922a991c21SManish Rangankar 59932a991c21SManish Rangankar /* get secondary valid target index */ 59942a991c21SManish Rangankar if (buf[11] & BIT_7) 59952a991c21SManish Rangankar ddb_index[1] = buf[11] & 0x7f; 59962a991c21SManish Rangankar } else { 59972a991c21SManish Rangankar ret = QLA_ERROR; 59982a991c21SManish Rangankar goto exit_boot_info; 59992a991c21SManish Rangankar } 60002a991c21SManish Rangankar 60012a991c21SManish Rangankar DEBUG2(ql4_printk(KERN_INFO, ha, "%s: Primary target ID %d, Secondary" 60022a991c21SManish Rangankar " target ID %d\n", __func__, ddb_index[0], 60032a991c21SManish Rangankar ddb_index[1])); 60042a991c21SManish Rangankar 60052a991c21SManish Rangankar exit_boot_info_free: 60062a991c21SManish Rangankar dma_free_coherent(&ha->pdev->dev, size, buf, buf_dma); 60072a991c21SManish Rangankar exit_boot_info: 600820e835b4SLalit Chandivade ha->pri_ddb_idx = ddb_index[0]; 600920e835b4SLalit Chandivade ha->sec_ddb_idx = ddb_index[1]; 60102a991c21SManish Rangankar return ret; 60112a991c21SManish Rangankar } 60122a991c21SManish Rangankar 601328deb45cSLalit Chandivade /** 601428deb45cSLalit Chandivade * qla4xxx_get_bidi_chap - Get a BIDI CHAP user and password 601528deb45cSLalit Chandivade * @ha: pointer to adapter structure 601628deb45cSLalit Chandivade * @username: CHAP username to be returned 601728deb45cSLalit Chandivade * @password: CHAP password to be returned 601828deb45cSLalit Chandivade * 601928deb45cSLalit Chandivade * If a boot entry has BIDI CHAP enabled then we need to set the BIDI CHAP 602028deb45cSLalit Chandivade * user and password in the sysfs entry in /sys/firmware/iscsi_boot#/. 602128deb45cSLalit Chandivade * So from the CHAP cache find the first BIDI CHAP entry and set it 602228deb45cSLalit Chandivade * to the boot record in sysfs. 602328deb45cSLalit Chandivade **/ 602428deb45cSLalit Chandivade static int qla4xxx_get_bidi_chap(struct scsi_qla_host *ha, char *username, 602528deb45cSLalit Chandivade char *password) 602628deb45cSLalit Chandivade { 602728deb45cSLalit Chandivade int i, ret = -EINVAL; 602828deb45cSLalit Chandivade int max_chap_entries = 0; 602928deb45cSLalit Chandivade struct ql4_chap_table *chap_table; 603028deb45cSLalit Chandivade 6031d11b0ca3SVikas Chaudhary if (is_qla80XX(ha)) 603228deb45cSLalit Chandivade max_chap_entries = (ha->hw.flt_chap_size / 2) / 603328deb45cSLalit Chandivade sizeof(struct ql4_chap_table); 603428deb45cSLalit Chandivade else 603528deb45cSLalit Chandivade max_chap_entries = MAX_CHAP_ENTRIES_40XX; 603628deb45cSLalit Chandivade 603728deb45cSLalit Chandivade if (!ha->chap_list) { 603828deb45cSLalit Chandivade ql4_printk(KERN_ERR, ha, "Do not have CHAP table cache\n"); 603928deb45cSLalit Chandivade return ret; 604028deb45cSLalit Chandivade } 604128deb45cSLalit Chandivade 604228deb45cSLalit Chandivade mutex_lock(&ha->chap_sem); 604328deb45cSLalit Chandivade for (i = 0; i < max_chap_entries; i++) { 604428deb45cSLalit Chandivade chap_table = (struct ql4_chap_table *)ha->chap_list + i; 604528deb45cSLalit Chandivade if (chap_table->cookie != 604633529018SDwaipayan Ray cpu_to_le16(CHAP_VALID_COOKIE)) { 604728deb45cSLalit Chandivade continue; 604828deb45cSLalit Chandivade } 604928deb45cSLalit Chandivade 605028deb45cSLalit Chandivade if (chap_table->flags & BIT_7) /* local */ 605128deb45cSLalit Chandivade continue; 605228deb45cSLalit Chandivade 605328deb45cSLalit Chandivade if (!(chap_table->flags & BIT_6)) /* Not BIDI */ 605428deb45cSLalit Chandivade continue; 605528deb45cSLalit Chandivade 6056bdbb9662SRickard Strandqvist strlcpy(password, chap_table->secret, QL4_CHAP_MAX_SECRET_LEN); 6057bdbb9662SRickard Strandqvist strlcpy(username, chap_table->name, QL4_CHAP_MAX_NAME_LEN); 605828deb45cSLalit Chandivade ret = 0; 605928deb45cSLalit Chandivade break; 606028deb45cSLalit Chandivade } 606128deb45cSLalit Chandivade mutex_unlock(&ha->chap_sem); 606228deb45cSLalit Chandivade 606328deb45cSLalit Chandivade return ret; 606428deb45cSLalit Chandivade } 606528deb45cSLalit Chandivade 606628deb45cSLalit Chandivade 60672a991c21SManish Rangankar static int qla4xxx_get_boot_target(struct scsi_qla_host *ha, 60682a991c21SManish Rangankar struct ql4_boot_session_info *boot_sess, 60692a991c21SManish Rangankar uint16_t ddb_index) 60702a991c21SManish Rangankar { 60712a991c21SManish Rangankar struct ql4_conn_info *boot_conn = &boot_sess->conn_list[0]; 60722a991c21SManish Rangankar struct dev_db_entry *fw_ddb_entry; 60732a991c21SManish Rangankar dma_addr_t fw_ddb_entry_dma; 60742a991c21SManish Rangankar uint16_t idx; 60752a991c21SManish Rangankar uint16_t options; 60762a991c21SManish Rangankar int ret = QLA_SUCCESS; 60772a991c21SManish Rangankar 60782a991c21SManish Rangankar fw_ddb_entry = dma_alloc_coherent(&ha->pdev->dev, sizeof(*fw_ddb_entry), 60792a991c21SManish Rangankar &fw_ddb_entry_dma, GFP_KERNEL); 60802a991c21SManish Rangankar if (!fw_ddb_entry) { 60812a991c21SManish Rangankar DEBUG2(ql4_printk(KERN_ERR, ha, 60822a991c21SManish Rangankar "%s: Unable to allocate dma buffer.\n", 60832a991c21SManish Rangankar __func__)); 60842a991c21SManish Rangankar ret = QLA_ERROR; 60852a991c21SManish Rangankar return ret; 60862a991c21SManish Rangankar } 60872a991c21SManish Rangankar 60882a991c21SManish Rangankar if (qla4xxx_bootdb_by_index(ha, fw_ddb_entry, 60892a991c21SManish Rangankar fw_ddb_entry_dma, ddb_index)) { 6090e8fb00e0SManish Rangankar DEBUG2(ql4_printk(KERN_INFO, ha, "%s: No Flash DDB found at " 6091e8fb00e0SManish Rangankar "index [%d]\n", __func__, ddb_index)); 60922a991c21SManish Rangankar ret = QLA_ERROR; 60932a991c21SManish Rangankar goto exit_boot_target; 60942a991c21SManish Rangankar } 60952a991c21SManish Rangankar 60962a991c21SManish Rangankar /* Update target name and IP from DDB */ 60972a991c21SManish Rangankar memcpy(boot_sess->target_name, fw_ddb_entry->iscsi_name, 60982a991c21SManish Rangankar min(sizeof(boot_sess->target_name), 60992a991c21SManish Rangankar sizeof(fw_ddb_entry->iscsi_name))); 61002a991c21SManish Rangankar 61012a991c21SManish Rangankar options = le16_to_cpu(fw_ddb_entry->options); 61022a991c21SManish Rangankar if (options & DDB_OPT_IPV6_DEVICE) { 61032a991c21SManish Rangankar memcpy(&boot_conn->dest_ipaddr.ip_address, 61042a991c21SManish Rangankar &fw_ddb_entry->ip_addr[0], IPv6_ADDR_LEN); 61052a991c21SManish Rangankar } else { 61062a991c21SManish Rangankar boot_conn->dest_ipaddr.ip_type = 0x1; 61072a991c21SManish Rangankar memcpy(&boot_conn->dest_ipaddr.ip_address, 61082a991c21SManish Rangankar &fw_ddb_entry->ip_addr[0], IP_ADDR_LEN); 61092a991c21SManish Rangankar } 61102a991c21SManish Rangankar 61112a991c21SManish Rangankar boot_conn->dest_port = le16_to_cpu(fw_ddb_entry->port); 61122a991c21SManish Rangankar 61132a991c21SManish Rangankar /* update chap information */ 61142a991c21SManish Rangankar idx = __le16_to_cpu(fw_ddb_entry->chap_tbl_idx); 61152a991c21SManish Rangankar 61162a991c21SManish Rangankar if (BIT_7 & le16_to_cpu(fw_ddb_entry->iscsi_options)) { 61172a991c21SManish Rangankar 61182a991c21SManish Rangankar DEBUG2(ql4_printk(KERN_INFO, ha, "Setting chap\n")); 61192a991c21SManish Rangankar 61202a991c21SManish Rangankar ret = qla4xxx_get_chap(ha, (char *)&boot_conn->chap. 61212a991c21SManish Rangankar target_chap_name, 61222a991c21SManish Rangankar (char *)&boot_conn->chap.target_secret, 61232a991c21SManish Rangankar idx); 61242a991c21SManish Rangankar if (ret) { 61252a991c21SManish Rangankar ql4_printk(KERN_ERR, ha, "Failed to set chap\n"); 61262a991c21SManish Rangankar ret = QLA_ERROR; 61272a991c21SManish Rangankar goto exit_boot_target; 61282a991c21SManish Rangankar } 61292a991c21SManish Rangankar 61302a991c21SManish Rangankar boot_conn->chap.target_chap_name_length = QL4_CHAP_MAX_NAME_LEN; 61312a991c21SManish Rangankar boot_conn->chap.target_secret_length = QL4_CHAP_MAX_SECRET_LEN; 61322a991c21SManish Rangankar } 61332a991c21SManish Rangankar 61342a991c21SManish Rangankar if (BIT_4 & le16_to_cpu(fw_ddb_entry->iscsi_options)) { 61352a991c21SManish Rangankar 61362a991c21SManish Rangankar DEBUG2(ql4_printk(KERN_INFO, ha, "Setting BIDI chap\n")); 61372a991c21SManish Rangankar 613828deb45cSLalit Chandivade ret = qla4xxx_get_bidi_chap(ha, 613928deb45cSLalit Chandivade (char *)&boot_conn->chap.intr_chap_name, 614028deb45cSLalit Chandivade (char *)&boot_conn->chap.intr_secret); 614128deb45cSLalit Chandivade 61422a991c21SManish Rangankar if (ret) { 61432a991c21SManish Rangankar ql4_printk(KERN_ERR, ha, "Failed to set BIDI chap\n"); 61442a991c21SManish Rangankar ret = QLA_ERROR; 61452a991c21SManish Rangankar goto exit_boot_target; 61462a991c21SManish Rangankar } 61472a991c21SManish Rangankar 61482a991c21SManish Rangankar boot_conn->chap.intr_chap_name_length = QL4_CHAP_MAX_NAME_LEN; 61492a991c21SManish Rangankar boot_conn->chap.intr_secret_length = QL4_CHAP_MAX_SECRET_LEN; 61502a991c21SManish Rangankar } 61512a991c21SManish Rangankar 61522a991c21SManish Rangankar exit_boot_target: 61532a991c21SManish Rangankar dma_free_coherent(&ha->pdev->dev, sizeof(*fw_ddb_entry), 61542a991c21SManish Rangankar fw_ddb_entry, fw_ddb_entry_dma); 61552a991c21SManish Rangankar return ret; 61562a991c21SManish Rangankar } 61572a991c21SManish Rangankar 61582a991c21SManish Rangankar static int qla4xxx_get_boot_info(struct scsi_qla_host *ha) 61592a991c21SManish Rangankar { 61602a991c21SManish Rangankar uint16_t ddb_index[2]; 61618de5b958SLalit Chandivade int ret = QLA_ERROR; 61628de5b958SLalit Chandivade int rval; 61632a991c21SManish Rangankar 61642a991c21SManish Rangankar memset(ddb_index, 0, sizeof(ddb_index)); 61658de5b958SLalit Chandivade ddb_index[0] = 0xffff; 61668de5b958SLalit Chandivade ddb_index[1] = 0xffff; 61672a991c21SManish Rangankar ret = get_fw_boot_info(ha, ddb_index); 61682a991c21SManish Rangankar if (ret != QLA_SUCCESS) { 6169e8fb00e0SManish Rangankar DEBUG2(ql4_printk(KERN_INFO, ha, 6170e8fb00e0SManish Rangankar "%s: No boot target configured.\n", __func__)); 61712a991c21SManish Rangankar return ret; 61722a991c21SManish Rangankar } 61732a991c21SManish Rangankar 617413483730SMike Christie if (ql4xdisablesysfsboot) 617513483730SMike Christie return QLA_SUCCESS; 617613483730SMike Christie 61778de5b958SLalit Chandivade if (ddb_index[0] == 0xffff) 61788de5b958SLalit Chandivade goto sec_target; 61798de5b958SLalit Chandivade 61808de5b958SLalit Chandivade rval = qla4xxx_get_boot_target(ha, &(ha->boot_tgt.boot_pri_sess), 61812a991c21SManish Rangankar ddb_index[0]); 61828de5b958SLalit Chandivade if (rval != QLA_SUCCESS) { 6183e8fb00e0SManish Rangankar DEBUG2(ql4_printk(KERN_INFO, ha, "%s: Primary boot target not " 6184e8fb00e0SManish Rangankar "configured\n", __func__)); 61858de5b958SLalit Chandivade } else 61868de5b958SLalit Chandivade ret = QLA_SUCCESS; 61872a991c21SManish Rangankar 61888de5b958SLalit Chandivade sec_target: 61898de5b958SLalit Chandivade if (ddb_index[1] == 0xffff) 61908de5b958SLalit Chandivade goto exit_get_boot_info; 61918de5b958SLalit Chandivade 61928de5b958SLalit Chandivade rval = qla4xxx_get_boot_target(ha, &(ha->boot_tgt.boot_sec_sess), 61932a991c21SManish Rangankar ddb_index[1]); 61948de5b958SLalit Chandivade if (rval != QLA_SUCCESS) { 6195e8fb00e0SManish Rangankar DEBUG2(ql4_printk(KERN_INFO, ha, "%s: Secondary boot target not" 6196e8fb00e0SManish Rangankar " configured\n", __func__)); 61978de5b958SLalit Chandivade } else 61988de5b958SLalit Chandivade ret = QLA_SUCCESS; 61998de5b958SLalit Chandivade 62008de5b958SLalit Chandivade exit_get_boot_info: 62012a991c21SManish Rangankar return ret; 62022a991c21SManish Rangankar } 62032a991c21SManish Rangankar 62042a991c21SManish Rangankar static int qla4xxx_setup_boot_info(struct scsi_qla_host *ha) 62052a991c21SManish Rangankar { 62062a991c21SManish Rangankar struct iscsi_boot_kobj *boot_kobj; 62072a991c21SManish Rangankar 62082a991c21SManish Rangankar if (qla4xxx_get_boot_info(ha) != QLA_SUCCESS) 620913483730SMike Christie return QLA_ERROR; 621013483730SMike Christie 621113483730SMike Christie if (ql4xdisablesysfsboot) { 621213483730SMike Christie ql4_printk(KERN_INFO, ha, 621313483730SMike Christie "%s: syfsboot disabled - driver will trigger login " 621413483730SMike Christie "and publish session for discovery .\n", __func__); 621513483730SMike Christie return QLA_SUCCESS; 621613483730SMike Christie } 621713483730SMike Christie 62182a991c21SManish Rangankar 62192a991c21SManish Rangankar ha->boot_kset = iscsi_boot_create_host_kset(ha->host->host_no); 62202a991c21SManish Rangankar if (!ha->boot_kset) 62212a991c21SManish Rangankar goto kset_free; 62222a991c21SManish Rangankar 62232a991c21SManish Rangankar if (!scsi_host_get(ha->host)) 62242a991c21SManish Rangankar goto kset_free; 62252a991c21SManish Rangankar boot_kobj = iscsi_boot_create_target(ha->boot_kset, 0, ha, 62262a991c21SManish Rangankar qla4xxx_show_boot_tgt_pri_info, 62272a991c21SManish Rangankar qla4xxx_tgt_get_attr_visibility, 62282a991c21SManish Rangankar qla4xxx_boot_release); 62292a991c21SManish Rangankar if (!boot_kobj) 62302a991c21SManish Rangankar goto put_host; 62312a991c21SManish Rangankar 62322a991c21SManish Rangankar if (!scsi_host_get(ha->host)) 62332a991c21SManish Rangankar goto kset_free; 62342a991c21SManish Rangankar boot_kobj = iscsi_boot_create_target(ha->boot_kset, 1, ha, 62352a991c21SManish Rangankar qla4xxx_show_boot_tgt_sec_info, 62362a991c21SManish Rangankar qla4xxx_tgt_get_attr_visibility, 62372a991c21SManish Rangankar qla4xxx_boot_release); 62382a991c21SManish Rangankar if (!boot_kobj) 62392a991c21SManish Rangankar goto put_host; 62402a991c21SManish Rangankar 62412a991c21SManish Rangankar if (!scsi_host_get(ha->host)) 62422a991c21SManish Rangankar goto kset_free; 62432a991c21SManish Rangankar boot_kobj = iscsi_boot_create_initiator(ha->boot_kset, 0, ha, 62442a991c21SManish Rangankar qla4xxx_show_boot_ini_info, 62452a991c21SManish Rangankar qla4xxx_ini_get_attr_visibility, 62462a991c21SManish Rangankar qla4xxx_boot_release); 62472a991c21SManish Rangankar if (!boot_kobj) 62482a991c21SManish Rangankar goto put_host; 62492a991c21SManish Rangankar 62502a991c21SManish Rangankar if (!scsi_host_get(ha->host)) 62512a991c21SManish Rangankar goto kset_free; 62522a991c21SManish Rangankar boot_kobj = iscsi_boot_create_ethernet(ha->boot_kset, 0, ha, 62532a991c21SManish Rangankar qla4xxx_show_boot_eth_info, 62542a991c21SManish Rangankar qla4xxx_eth_get_attr_visibility, 62552a991c21SManish Rangankar qla4xxx_boot_release); 62562a991c21SManish Rangankar if (!boot_kobj) 62572a991c21SManish Rangankar goto put_host; 62582a991c21SManish Rangankar 625913483730SMike Christie return QLA_SUCCESS; 62602a991c21SManish Rangankar 62612a991c21SManish Rangankar put_host: 62622a991c21SManish Rangankar scsi_host_put(ha->host); 62632a991c21SManish Rangankar kset_free: 62642a991c21SManish Rangankar iscsi_boot_destroy_kset(ha->boot_kset); 62652a991c21SManish Rangankar return -ENOMEM; 62662a991c21SManish Rangankar } 62672a991c21SManish Rangankar 62684549415aSLalit Chandivade 626913483730SMike Christie static void qla4xxx_get_param_ddb(struct ddb_entry *ddb_entry, 627013483730SMike Christie struct ql4_tuple_ddb *tddb) 627113483730SMike Christie { 627213483730SMike Christie struct iscsi_cls_session *cls_sess; 627313483730SMike Christie struct iscsi_cls_conn *cls_conn; 627413483730SMike Christie struct iscsi_session *sess; 627513483730SMike Christie struct iscsi_conn *conn; 627613483730SMike Christie 627713483730SMike Christie DEBUG2(printk(KERN_INFO "Func: %s\n", __func__)); 627813483730SMike Christie cls_sess = ddb_entry->sess; 627913483730SMike Christie sess = cls_sess->dd_data; 628013483730SMike Christie cls_conn = ddb_entry->conn; 628113483730SMike Christie conn = cls_conn->dd_data; 628213483730SMike Christie 628313483730SMike Christie tddb->tpgt = sess->tpgt; 628413483730SMike Christie tddb->port = conn->persistent_port; 6285bdbb9662SRickard Strandqvist strlcpy(tddb->iscsi_name, sess->targetname, ISCSI_NAME_SIZE); 6286bdbb9662SRickard Strandqvist strlcpy(tddb->ip_addr, conn->persistent_address, DDB_IPADDR_LEN); 628713483730SMike Christie } 628813483730SMike Christie 628913483730SMike Christie static void qla4xxx_convert_param_ddb(struct dev_db_entry *fw_ddb_entry, 62901cb78d73SVikas Chaudhary struct ql4_tuple_ddb *tddb, 62911cb78d73SVikas Chaudhary uint8_t *flash_isid) 629213483730SMike Christie { 629313483730SMike Christie uint16_t options = 0; 629413483730SMike Christie 629513483730SMike Christie tddb->tpgt = le32_to_cpu(fw_ddb_entry->tgt_portal_grp); 629613483730SMike Christie memcpy(&tddb->iscsi_name[0], &fw_ddb_entry->iscsi_name[0], 629713483730SMike Christie min(sizeof(tddb->iscsi_name), sizeof(fw_ddb_entry->iscsi_name))); 629813483730SMike Christie 629913483730SMike Christie options = le16_to_cpu(fw_ddb_entry->options); 630013483730SMike Christie if (options & DDB_OPT_IPV6_DEVICE) 630113483730SMike Christie sprintf(tddb->ip_addr, "%pI6", fw_ddb_entry->ip_addr); 630213483730SMike Christie else 630313483730SMike Christie sprintf(tddb->ip_addr, "%pI4", fw_ddb_entry->ip_addr); 630413483730SMike Christie 630513483730SMike Christie tddb->port = le16_to_cpu(fw_ddb_entry->port); 63061cb78d73SVikas Chaudhary 63071cb78d73SVikas Chaudhary if (flash_isid == NULL) 63081cb78d73SVikas Chaudhary memcpy(&tddb->isid[0], &fw_ddb_entry->isid[0], 63091cb78d73SVikas Chaudhary sizeof(tddb->isid)); 63101cb78d73SVikas Chaudhary else 63111cb78d73SVikas Chaudhary memcpy(&tddb->isid[0], &flash_isid[0], sizeof(tddb->isid)); 631213483730SMike Christie } 631313483730SMike Christie 631413483730SMike Christie static int qla4xxx_compare_tuple_ddb(struct scsi_qla_host *ha, 631513483730SMike Christie struct ql4_tuple_ddb *old_tddb, 6316173269efSManish Rangankar struct ql4_tuple_ddb *new_tddb, 6317173269efSManish Rangankar uint8_t is_isid_compare) 631813483730SMike Christie { 631913483730SMike Christie if (strcmp(old_tddb->iscsi_name, new_tddb->iscsi_name)) 632013483730SMike Christie return QLA_ERROR; 632113483730SMike Christie 632213483730SMike Christie if (strcmp(old_tddb->ip_addr, new_tddb->ip_addr)) 632313483730SMike Christie return QLA_ERROR; 632413483730SMike Christie 632513483730SMike Christie if (old_tddb->port != new_tddb->port) 632613483730SMike Christie return QLA_ERROR; 632713483730SMike Christie 6328173269efSManish Rangankar /* For multi sessions, driver generates the ISID, so do not compare 632959e13d48SMasanari Iida * ISID in reset path since it would be a comparison between the 6330173269efSManish Rangankar * driver generated ISID and firmware generated ISID. This could 6331173269efSManish Rangankar * lead to adding duplicated DDBs in the list as driver generated 6332173269efSManish Rangankar * ISID would not match firmware generated ISID. 6333173269efSManish Rangankar */ 6334173269efSManish Rangankar if (is_isid_compare) { 6335d1d81bd0SOleksandr Khoshaba DEBUG2(ql4_printk(KERN_INFO, ha, 6336d1d81bd0SOleksandr Khoshaba "%s: old ISID [%pmR] New ISID [%pmR]\n", 6337d1d81bd0SOleksandr Khoshaba __func__, old_tddb->isid, new_tddb->isid)); 6338173269efSManish Rangankar 6339173269efSManish Rangankar if (memcmp(&old_tddb->isid[0], &new_tddb->isid[0], 6340173269efSManish Rangankar sizeof(old_tddb->isid))) 6341173269efSManish Rangankar return QLA_ERROR; 6342173269efSManish Rangankar } 6343173269efSManish Rangankar 634413483730SMike Christie DEBUG2(ql4_printk(KERN_INFO, ha, 634513483730SMike Christie "Match Found, fw[%d,%d,%s,%s], [%d,%d,%s,%s]", 634613483730SMike Christie old_tddb->port, old_tddb->tpgt, old_tddb->ip_addr, 634713483730SMike Christie old_tddb->iscsi_name, new_tddb->port, new_tddb->tpgt, 634813483730SMike Christie new_tddb->ip_addr, new_tddb->iscsi_name)); 634913483730SMike Christie 635013483730SMike Christie return QLA_SUCCESS; 635113483730SMike Christie } 635213483730SMike Christie 635313483730SMike Christie static int qla4xxx_is_session_exists(struct scsi_qla_host *ha, 6354ad8bd45eSManish Rangankar struct dev_db_entry *fw_ddb_entry, 6355ad8bd45eSManish Rangankar uint32_t *index) 635613483730SMike Christie { 635713483730SMike Christie struct ddb_entry *ddb_entry; 635813483730SMike Christie struct ql4_tuple_ddb *fw_tddb = NULL; 635913483730SMike Christie struct ql4_tuple_ddb *tmp_tddb = NULL; 636013483730SMike Christie int idx; 636113483730SMike Christie int ret = QLA_ERROR; 636213483730SMike Christie 636313483730SMike Christie fw_tddb = vzalloc(sizeof(*fw_tddb)); 636413483730SMike Christie if (!fw_tddb) { 636513483730SMike Christie DEBUG2(ql4_printk(KERN_WARNING, ha, 636613483730SMike Christie "Memory Allocation failed.\n")); 636713483730SMike Christie ret = QLA_SUCCESS; 636813483730SMike Christie goto exit_check; 636913483730SMike Christie } 637013483730SMike Christie 637113483730SMike Christie tmp_tddb = vzalloc(sizeof(*tmp_tddb)); 637213483730SMike Christie if (!tmp_tddb) { 637313483730SMike Christie DEBUG2(ql4_printk(KERN_WARNING, ha, 637413483730SMike Christie "Memory Allocation failed.\n")); 637513483730SMike Christie ret = QLA_SUCCESS; 637613483730SMike Christie goto exit_check; 637713483730SMike Christie } 637813483730SMike Christie 63791cb78d73SVikas Chaudhary qla4xxx_convert_param_ddb(fw_ddb_entry, fw_tddb, NULL); 638013483730SMike Christie 638113483730SMike Christie for (idx = 0; idx < MAX_DDB_ENTRIES; idx++) { 638213483730SMike Christie ddb_entry = qla4xxx_lookup_ddb_by_fw_index(ha, idx); 638313483730SMike Christie if (ddb_entry == NULL) 638413483730SMike Christie continue; 638513483730SMike Christie 638613483730SMike Christie qla4xxx_get_param_ddb(ddb_entry, tmp_tddb); 6387173269efSManish Rangankar if (!qla4xxx_compare_tuple_ddb(ha, fw_tddb, tmp_tddb, false)) { 638813483730SMike Christie ret = QLA_SUCCESS; /* found */ 6389ad8bd45eSManish Rangankar if (index != NULL) 6390ad8bd45eSManish Rangankar *index = idx; 639113483730SMike Christie goto exit_check; 639213483730SMike Christie } 639313483730SMike Christie } 639413483730SMike Christie 639513483730SMike Christie exit_check: 639613483730SMike Christie vfree(fw_tddb); 639713483730SMike Christie vfree(tmp_tddb); 639813483730SMike Christie return ret; 639913483730SMike Christie } 640013483730SMike Christie 64011cb78d73SVikas Chaudhary /** 64021cb78d73SVikas Chaudhary * qla4xxx_check_existing_isid - check if target with same isid exist 64031cb78d73SVikas Chaudhary * in target list 64041cb78d73SVikas Chaudhary * @list_nt: list of target 64051cb78d73SVikas Chaudhary * @isid: isid to check 64061cb78d73SVikas Chaudhary * 64071cb78d73SVikas Chaudhary * This routine return QLA_SUCCESS if target with same isid exist 64081cb78d73SVikas Chaudhary **/ 64091cb78d73SVikas Chaudhary static int qla4xxx_check_existing_isid(struct list_head *list_nt, uint8_t *isid) 64101cb78d73SVikas Chaudhary { 64111cb78d73SVikas Chaudhary struct qla_ddb_index *nt_ddb_idx, *nt_ddb_idx_tmp; 64121cb78d73SVikas Chaudhary struct dev_db_entry *fw_ddb_entry; 64131cb78d73SVikas Chaudhary 64141cb78d73SVikas Chaudhary list_for_each_entry_safe(nt_ddb_idx, nt_ddb_idx_tmp, list_nt, list) { 64151cb78d73SVikas Chaudhary fw_ddb_entry = &nt_ddb_idx->fw_ddb; 64161cb78d73SVikas Chaudhary 64171cb78d73SVikas Chaudhary if (memcmp(&fw_ddb_entry->isid[0], &isid[0], 64181cb78d73SVikas Chaudhary sizeof(nt_ddb_idx->fw_ddb.isid)) == 0) { 64191cb78d73SVikas Chaudhary return QLA_SUCCESS; 64201cb78d73SVikas Chaudhary } 64211cb78d73SVikas Chaudhary } 64221cb78d73SVikas Chaudhary return QLA_ERROR; 64231cb78d73SVikas Chaudhary } 64241cb78d73SVikas Chaudhary 64251cb78d73SVikas Chaudhary /** 64261cb78d73SVikas Chaudhary * qla4xxx_update_isid - compare ddbs and updated isid 64271cb78d73SVikas Chaudhary * @ha: Pointer to host adapter structure. 64281cb78d73SVikas Chaudhary * @list_nt: list of nt target 64291cb78d73SVikas Chaudhary * @fw_ddb_entry: firmware ddb entry 64301cb78d73SVikas Chaudhary * 64311cb78d73SVikas Chaudhary * This routine update isid if ddbs have same iqn, same isid and 64321cb78d73SVikas Chaudhary * different IP addr. 64331cb78d73SVikas Chaudhary * Return QLA_SUCCESS if isid is updated. 64341cb78d73SVikas Chaudhary **/ 64351cb78d73SVikas Chaudhary static int qla4xxx_update_isid(struct scsi_qla_host *ha, 64361cb78d73SVikas Chaudhary struct list_head *list_nt, 64371cb78d73SVikas Chaudhary struct dev_db_entry *fw_ddb_entry) 64381cb78d73SVikas Chaudhary { 64391cb78d73SVikas Chaudhary uint8_t base_value, i; 64401cb78d73SVikas Chaudhary 64411cb78d73SVikas Chaudhary base_value = fw_ddb_entry->isid[1] & 0x1f; 64421cb78d73SVikas Chaudhary for (i = 0; i < 8; i++) { 64431cb78d73SVikas Chaudhary fw_ddb_entry->isid[1] = (base_value | (i << 5)); 64441cb78d73SVikas Chaudhary if (qla4xxx_check_existing_isid(list_nt, fw_ddb_entry->isid)) 64451cb78d73SVikas Chaudhary break; 64461cb78d73SVikas Chaudhary } 64471cb78d73SVikas Chaudhary 64481cb78d73SVikas Chaudhary if (!qla4xxx_check_existing_isid(list_nt, fw_ddb_entry->isid)) 64491cb78d73SVikas Chaudhary return QLA_ERROR; 64501cb78d73SVikas Chaudhary 64511cb78d73SVikas Chaudhary return QLA_SUCCESS; 64521cb78d73SVikas Chaudhary } 64531cb78d73SVikas Chaudhary 64541cb78d73SVikas Chaudhary /** 64551cb78d73SVikas Chaudhary * qla4xxx_should_update_isid - check if isid need to update 64561cb78d73SVikas Chaudhary * @ha: Pointer to host adapter structure. 64571cb78d73SVikas Chaudhary * @old_tddb: ddb tuple 64581cb78d73SVikas Chaudhary * @new_tddb: ddb tuple 64591cb78d73SVikas Chaudhary * 64601cb78d73SVikas Chaudhary * Return QLA_SUCCESS if different IP, different PORT, same iqn, 64611cb78d73SVikas Chaudhary * same isid 64621cb78d73SVikas Chaudhary **/ 64631cb78d73SVikas Chaudhary static int qla4xxx_should_update_isid(struct scsi_qla_host *ha, 64641cb78d73SVikas Chaudhary struct ql4_tuple_ddb *old_tddb, 64651cb78d73SVikas Chaudhary struct ql4_tuple_ddb *new_tddb) 64661cb78d73SVikas Chaudhary { 64671cb78d73SVikas Chaudhary if (strcmp(old_tddb->ip_addr, new_tddb->ip_addr) == 0) { 64681cb78d73SVikas Chaudhary /* Same ip */ 64691cb78d73SVikas Chaudhary if (old_tddb->port == new_tddb->port) 64701cb78d73SVikas Chaudhary return QLA_ERROR; 64711cb78d73SVikas Chaudhary } 64721cb78d73SVikas Chaudhary 64731cb78d73SVikas Chaudhary if (strcmp(old_tddb->iscsi_name, new_tddb->iscsi_name)) 64741cb78d73SVikas Chaudhary /* different iqn */ 64751cb78d73SVikas Chaudhary return QLA_ERROR; 64761cb78d73SVikas Chaudhary 64771cb78d73SVikas Chaudhary if (memcmp(&old_tddb->isid[0], &new_tddb->isid[0], 64781cb78d73SVikas Chaudhary sizeof(old_tddb->isid))) 64791cb78d73SVikas Chaudhary /* different isid */ 64801cb78d73SVikas Chaudhary return QLA_ERROR; 64811cb78d73SVikas Chaudhary 64821cb78d73SVikas Chaudhary return QLA_SUCCESS; 64831cb78d73SVikas Chaudhary } 64841cb78d73SVikas Chaudhary 64851cb78d73SVikas Chaudhary /** 64861cb78d73SVikas Chaudhary * qla4xxx_is_flash_ddb_exists - check if fw_ddb_entry already exists in list_nt 64871cb78d73SVikas Chaudhary * @ha: Pointer to host adapter structure. 64881cb78d73SVikas Chaudhary * @list_nt: list of nt target. 64891cb78d73SVikas Chaudhary * @fw_ddb_entry: firmware ddb entry. 64901cb78d73SVikas Chaudhary * 64911cb78d73SVikas Chaudhary * This routine check if fw_ddb_entry already exists in list_nt to avoid 64921cb78d73SVikas Chaudhary * duplicate ddb in list_nt. 64931cb78d73SVikas Chaudhary * Return QLA_SUCCESS if duplicate ddb exit in list_nl. 64941cb78d73SVikas Chaudhary * Note: This function also update isid of DDB if required. 64951cb78d73SVikas Chaudhary **/ 64961cb78d73SVikas Chaudhary 649713483730SMike Christie static int qla4xxx_is_flash_ddb_exists(struct scsi_qla_host *ha, 649813483730SMike Christie struct list_head *list_nt, 649913483730SMike Christie struct dev_db_entry *fw_ddb_entry) 650013483730SMike Christie { 650113483730SMike Christie struct qla_ddb_index *nt_ddb_idx, *nt_ddb_idx_tmp; 650213483730SMike Christie struct ql4_tuple_ddb *fw_tddb = NULL; 650313483730SMike Christie struct ql4_tuple_ddb *tmp_tddb = NULL; 65041cb78d73SVikas Chaudhary int rval, ret = QLA_ERROR; 650513483730SMike Christie 650613483730SMike Christie fw_tddb = vzalloc(sizeof(*fw_tddb)); 650713483730SMike Christie if (!fw_tddb) { 650813483730SMike Christie DEBUG2(ql4_printk(KERN_WARNING, ha, 650913483730SMike Christie "Memory Allocation failed.\n")); 651013483730SMike Christie ret = QLA_SUCCESS; 651113483730SMike Christie goto exit_check; 651213483730SMike Christie } 651313483730SMike Christie 651413483730SMike Christie tmp_tddb = vzalloc(sizeof(*tmp_tddb)); 651513483730SMike Christie if (!tmp_tddb) { 651613483730SMike Christie DEBUG2(ql4_printk(KERN_WARNING, ha, 651713483730SMike Christie "Memory Allocation failed.\n")); 651813483730SMike Christie ret = QLA_SUCCESS; 651913483730SMike Christie goto exit_check; 652013483730SMike Christie } 652113483730SMike Christie 65221cb78d73SVikas Chaudhary qla4xxx_convert_param_ddb(fw_ddb_entry, fw_tddb, NULL); 652313483730SMike Christie 652413483730SMike Christie list_for_each_entry_safe(nt_ddb_idx, nt_ddb_idx_tmp, list_nt, list) { 65251cb78d73SVikas Chaudhary qla4xxx_convert_param_ddb(&nt_ddb_idx->fw_ddb, tmp_tddb, 65261cb78d73SVikas Chaudhary nt_ddb_idx->flash_isid); 65271cb78d73SVikas Chaudhary ret = qla4xxx_compare_tuple_ddb(ha, fw_tddb, tmp_tddb, true); 65281cb78d73SVikas Chaudhary /* found duplicate ddb */ 65291cb78d73SVikas Chaudhary if (ret == QLA_SUCCESS) 65301cb78d73SVikas Chaudhary goto exit_check; 65311cb78d73SVikas Chaudhary } 65321cb78d73SVikas Chaudhary 65331cb78d73SVikas Chaudhary list_for_each_entry_safe(nt_ddb_idx, nt_ddb_idx_tmp, list_nt, list) { 65341cb78d73SVikas Chaudhary qla4xxx_convert_param_ddb(&nt_ddb_idx->fw_ddb, tmp_tddb, NULL); 65351cb78d73SVikas Chaudhary 65361cb78d73SVikas Chaudhary ret = qla4xxx_should_update_isid(ha, tmp_tddb, fw_tddb); 65371cb78d73SVikas Chaudhary if (ret == QLA_SUCCESS) { 65381cb78d73SVikas Chaudhary rval = qla4xxx_update_isid(ha, list_nt, fw_ddb_entry); 65391cb78d73SVikas Chaudhary if (rval == QLA_SUCCESS) 65401cb78d73SVikas Chaudhary ret = QLA_ERROR; 65411cb78d73SVikas Chaudhary else 65421cb78d73SVikas Chaudhary ret = QLA_SUCCESS; 65431cb78d73SVikas Chaudhary 654413483730SMike Christie goto exit_check; 654513483730SMike Christie } 654613483730SMike Christie } 654713483730SMike Christie 654813483730SMike Christie exit_check: 654913483730SMike Christie vfree(fw_tddb); 655013483730SMike Christie vfree(tmp_tddb); 655113483730SMike Christie return ret; 655213483730SMike Christie } 655313483730SMike Christie 65544a4bc2e9SLalit Chandivade static void qla4xxx_free_ddb_list(struct list_head *list_ddb) 655513483730SMike Christie { 65564a4bc2e9SLalit Chandivade struct qla_ddb_index *ddb_idx, *ddb_idx_tmp; 655713483730SMike Christie 65584a4bc2e9SLalit Chandivade list_for_each_entry_safe(ddb_idx, ddb_idx_tmp, list_ddb, list) { 65594a4bc2e9SLalit Chandivade list_del_init(&ddb_idx->list); 65604a4bc2e9SLalit Chandivade vfree(ddb_idx); 656113483730SMike Christie } 656213483730SMike Christie } 656313483730SMike Christie 656413483730SMike Christie static struct iscsi_endpoint *qla4xxx_get_ep_fwdb(struct scsi_qla_host *ha, 656513483730SMike Christie struct dev_db_entry *fw_ddb_entry) 656613483730SMike Christie { 656713483730SMike Christie struct iscsi_endpoint *ep; 656813483730SMike Christie struct sockaddr_in *addr; 656913483730SMike Christie struct sockaddr_in6 *addr6; 65703dd4849cSManish Rangankar struct sockaddr *t_addr; 65713dd4849cSManish Rangankar struct sockaddr_storage *dst_addr; 657213483730SMike Christie char *ip; 657313483730SMike Christie 657413483730SMike Christie /* TODO: need to destroy on unload iscsi_endpoint*/ 657513483730SMike Christie dst_addr = vmalloc(sizeof(*dst_addr)); 657613483730SMike Christie if (!dst_addr) 657713483730SMike Christie return NULL; 657813483730SMike Christie 657913483730SMike Christie if (fw_ddb_entry->options & DDB_OPT_IPV6_DEVICE) { 65803dd4849cSManish Rangankar t_addr = (struct sockaddr *)dst_addr; 65813dd4849cSManish Rangankar t_addr->sa_family = AF_INET6; 658213483730SMike Christie addr6 = (struct sockaddr_in6 *)dst_addr; 658313483730SMike Christie ip = (char *)&addr6->sin6_addr; 658413483730SMike Christie memcpy(ip, fw_ddb_entry->ip_addr, IPv6_ADDR_LEN); 658513483730SMike Christie addr6->sin6_port = htons(le16_to_cpu(fw_ddb_entry->port)); 658613483730SMike Christie 658713483730SMike Christie } else { 65883dd4849cSManish Rangankar t_addr = (struct sockaddr *)dst_addr; 65893dd4849cSManish Rangankar t_addr->sa_family = AF_INET; 659013483730SMike Christie addr = (struct sockaddr_in *)dst_addr; 659113483730SMike Christie ip = (char *)&addr->sin_addr; 659213483730SMike Christie memcpy(ip, fw_ddb_entry->ip_addr, IP_ADDR_LEN); 659313483730SMike Christie addr->sin_port = htons(le16_to_cpu(fw_ddb_entry->port)); 659413483730SMike Christie } 659513483730SMike Christie 65963dd4849cSManish Rangankar ep = qla4xxx_ep_connect(ha->host, (struct sockaddr *)dst_addr, 0); 659713483730SMike Christie vfree(dst_addr); 659813483730SMike Christie return ep; 659913483730SMike Christie } 660013483730SMike Christie 660113483730SMike Christie static int qla4xxx_verify_boot_idx(struct scsi_qla_host *ha, uint16_t idx) 660213483730SMike Christie { 660313483730SMike Christie if (ql4xdisablesysfsboot) 660413483730SMike Christie return QLA_SUCCESS; 660513483730SMike Christie if (idx == ha->pri_ddb_idx || idx == ha->sec_ddb_idx) 660613483730SMike Christie return QLA_ERROR; 660713483730SMike Christie return QLA_SUCCESS; 660813483730SMike Christie } 660913483730SMike Christie 661013483730SMike Christie static void qla4xxx_setup_flash_ddb_entry(struct scsi_qla_host *ha, 66111dc8ed5dSManish Rangankar struct ddb_entry *ddb_entry, 66121dc8ed5dSManish Rangankar uint16_t idx) 661313483730SMike Christie { 6614c28eaacaSNilesh Javali uint16_t def_timeout; 6615c28eaacaSNilesh Javali 661613483730SMike Christie ddb_entry->ddb_type = FLASH_DDB; 661713483730SMike Christie ddb_entry->fw_ddb_index = INVALID_ENTRY; 661813483730SMike Christie ddb_entry->fw_ddb_device_state = DDB_DS_NO_CONNECTION_ACTIVE; 661913483730SMike Christie ddb_entry->ha = ha; 662013483730SMike Christie ddb_entry->unblock_sess = qla4xxx_unblock_flash_ddb; 662113483730SMike Christie ddb_entry->ddb_change = qla4xxx_flash_ddb_change; 6622946ac571SAdheer Chandravanshi ddb_entry->chap_tbl_idx = INVALID_ENTRY; 662313483730SMike Christie 662413483730SMike Christie atomic_set(&ddb_entry->retry_relogin_timer, INVALID_ENTRY); 662513483730SMike Christie atomic_set(&ddb_entry->relogin_timer, 0); 662613483730SMike Christie atomic_set(&ddb_entry->relogin_retry_count, 0); 6627c28eaacaSNilesh Javali def_timeout = le16_to_cpu(ddb_entry->fw_ddb_entry.def_timeout); 662813483730SMike Christie ddb_entry->default_relogin_timeout = 6629c28eaacaSNilesh Javali (def_timeout > LOGIN_TOV) && (def_timeout < LOGIN_TOV * 10) ? 6630c28eaacaSNilesh Javali def_timeout : LOGIN_TOV; 663113483730SMike Christie ddb_entry->default_time2wait = 663213483730SMike Christie le16_to_cpu(ddb_entry->fw_ddb_entry.iscsi_def_time2wait); 66331dc8ed5dSManish Rangankar 66341dc8ed5dSManish Rangankar if (ql4xdisablesysfsboot && 66351dc8ed5dSManish Rangankar (idx == ha->pri_ddb_idx || idx == ha->sec_ddb_idx)) 66361dc8ed5dSManish Rangankar set_bit(DF_BOOT_TGT, &ddb_entry->flags); 663713483730SMike Christie } 663813483730SMike Christie 663913483730SMike Christie static void qla4xxx_wait_for_ip_configuration(struct scsi_qla_host *ha) 664013483730SMike Christie { 664113483730SMike Christie uint32_t idx = 0; 664213483730SMike Christie uint32_t ip_idx[IP_ADDR_COUNT] = {0, 1, 2, 3}; /* 4 IP interfaces */ 664313483730SMike Christie uint32_t sts[MBOX_REG_COUNT]; 664413483730SMike Christie uint32_t ip_state; 664513483730SMike Christie unsigned long wtime; 664613483730SMike Christie int ret; 664713483730SMike Christie 664813483730SMike Christie wtime = jiffies + (HZ * IP_CONFIG_TOV); 664913483730SMike Christie do { 665013483730SMike Christie for (idx = 0; idx < IP_ADDR_COUNT; idx++) { 665113483730SMike Christie if (ip_idx[idx] == -1) 665213483730SMike Christie continue; 665313483730SMike Christie 665413483730SMike Christie ret = qla4xxx_get_ip_state(ha, 0, ip_idx[idx], sts); 665513483730SMike Christie 665613483730SMike Christie if (ret == QLA_ERROR) { 665713483730SMike Christie ip_idx[idx] = -1; 665813483730SMike Christie continue; 665913483730SMike Christie } 666013483730SMike Christie 666113483730SMike Christie ip_state = (sts[1] & IP_STATE_MASK) >> IP_STATE_SHIFT; 666213483730SMike Christie 666313483730SMike Christie DEBUG2(ql4_printk(KERN_INFO, ha, 666413483730SMike Christie "Waiting for IP state for idx = %d, state = 0x%x\n", 666513483730SMike Christie ip_idx[idx], ip_state)); 666613483730SMike Christie if (ip_state == IP_ADDRSTATE_UNCONFIGURED || 666713483730SMike Christie ip_state == IP_ADDRSTATE_INVALID || 666813483730SMike Christie ip_state == IP_ADDRSTATE_PREFERRED || 666913483730SMike Christie ip_state == IP_ADDRSTATE_DEPRICATED || 667013483730SMike Christie ip_state == IP_ADDRSTATE_DISABLING) 667113483730SMike Christie ip_idx[idx] = -1; 667213483730SMike Christie } 667313483730SMike Christie 667413483730SMike Christie /* Break if all IP states checked */ 667513483730SMike Christie if ((ip_idx[0] == -1) && 667613483730SMike Christie (ip_idx[1] == -1) && 667713483730SMike Christie (ip_idx[2] == -1) && 667813483730SMike Christie (ip_idx[3] == -1)) 667913483730SMike Christie break; 668013483730SMike Christie schedule_timeout_uninterruptible(HZ); 668113483730SMike Christie } while (time_after(wtime, jiffies)); 668213483730SMike Christie } 668313483730SMike Christie 6684ad8bd45eSManish Rangankar static int qla4xxx_cmp_fw_stentry(struct dev_db_entry *fw_ddb_entry, 6685ad8bd45eSManish Rangankar struct dev_db_entry *flash_ddb_entry) 6686ad8bd45eSManish Rangankar { 6687ad8bd45eSManish Rangankar uint16_t options = 0; 6688ad8bd45eSManish Rangankar size_t ip_len = IP_ADDR_LEN; 6689ad8bd45eSManish Rangankar 6690ad8bd45eSManish Rangankar options = le16_to_cpu(fw_ddb_entry->options); 6691ad8bd45eSManish Rangankar if (options & DDB_OPT_IPV6_DEVICE) 6692ad8bd45eSManish Rangankar ip_len = IPv6_ADDR_LEN; 6693ad8bd45eSManish Rangankar 6694ad8bd45eSManish Rangankar if (memcmp(fw_ddb_entry->ip_addr, flash_ddb_entry->ip_addr, ip_len)) 6695ad8bd45eSManish Rangankar return QLA_ERROR; 6696ad8bd45eSManish Rangankar 6697ad8bd45eSManish Rangankar if (memcmp(&fw_ddb_entry->isid[0], &flash_ddb_entry->isid[0], 6698ad8bd45eSManish Rangankar sizeof(fw_ddb_entry->isid))) 6699ad8bd45eSManish Rangankar return QLA_ERROR; 6700ad8bd45eSManish Rangankar 6701ad8bd45eSManish Rangankar if (memcmp(&fw_ddb_entry->port, &flash_ddb_entry->port, 6702ad8bd45eSManish Rangankar sizeof(fw_ddb_entry->port))) 6703ad8bd45eSManish Rangankar return QLA_ERROR; 6704ad8bd45eSManish Rangankar 6705ad8bd45eSManish Rangankar return QLA_SUCCESS; 6706ad8bd45eSManish Rangankar } 6707ad8bd45eSManish Rangankar 6708ad8bd45eSManish Rangankar static int qla4xxx_find_flash_st_idx(struct scsi_qla_host *ha, 6709ad8bd45eSManish Rangankar struct dev_db_entry *fw_ddb_entry, 6710ad8bd45eSManish Rangankar uint32_t fw_idx, uint32_t *flash_index) 6711ad8bd45eSManish Rangankar { 6712ad8bd45eSManish Rangankar struct dev_db_entry *flash_ddb_entry; 6713ad8bd45eSManish Rangankar dma_addr_t flash_ddb_entry_dma; 6714ad8bd45eSManish Rangankar uint32_t idx = 0; 6715ad8bd45eSManish Rangankar int max_ddbs; 6716ad8bd45eSManish Rangankar int ret = QLA_ERROR, status; 6717ad8bd45eSManish Rangankar 6718ad8bd45eSManish Rangankar max_ddbs = is_qla40XX(ha) ? MAX_DEV_DB_ENTRIES_40XX : 6719ad8bd45eSManish Rangankar MAX_DEV_DB_ENTRIES; 6720ad8bd45eSManish Rangankar 6721ad8bd45eSManish Rangankar flash_ddb_entry = dma_pool_alloc(ha->fw_ddb_dma_pool, GFP_KERNEL, 6722ad8bd45eSManish Rangankar &flash_ddb_entry_dma); 6723ad8bd45eSManish Rangankar if (flash_ddb_entry == NULL || fw_ddb_entry == NULL) { 6724ad8bd45eSManish Rangankar ql4_printk(KERN_ERR, ha, "Out of memory\n"); 6725ad8bd45eSManish Rangankar goto exit_find_st_idx; 6726ad8bd45eSManish Rangankar } 6727ad8bd45eSManish Rangankar 6728ad8bd45eSManish Rangankar status = qla4xxx_flashdb_by_index(ha, flash_ddb_entry, 6729ad8bd45eSManish Rangankar flash_ddb_entry_dma, fw_idx); 6730ad8bd45eSManish Rangankar if (status == QLA_SUCCESS) { 6731ad8bd45eSManish Rangankar status = qla4xxx_cmp_fw_stentry(fw_ddb_entry, flash_ddb_entry); 6732ad8bd45eSManish Rangankar if (status == QLA_SUCCESS) { 6733ad8bd45eSManish Rangankar *flash_index = fw_idx; 6734ad8bd45eSManish Rangankar ret = QLA_SUCCESS; 6735ad8bd45eSManish Rangankar goto exit_find_st_idx; 6736ad8bd45eSManish Rangankar } 6737ad8bd45eSManish Rangankar } 6738ad8bd45eSManish Rangankar 6739ad8bd45eSManish Rangankar for (idx = 0; idx < max_ddbs; idx++) { 6740ad8bd45eSManish Rangankar status = qla4xxx_flashdb_by_index(ha, flash_ddb_entry, 6741ad8bd45eSManish Rangankar flash_ddb_entry_dma, idx); 6742ad8bd45eSManish Rangankar if (status == QLA_ERROR) 6743ad8bd45eSManish Rangankar continue; 6744ad8bd45eSManish Rangankar 6745ad8bd45eSManish Rangankar status = qla4xxx_cmp_fw_stentry(fw_ddb_entry, flash_ddb_entry); 6746ad8bd45eSManish Rangankar if (status == QLA_SUCCESS) { 6747ad8bd45eSManish Rangankar *flash_index = idx; 6748ad8bd45eSManish Rangankar ret = QLA_SUCCESS; 6749ad8bd45eSManish Rangankar goto exit_find_st_idx; 6750ad8bd45eSManish Rangankar } 6751ad8bd45eSManish Rangankar } 6752ad8bd45eSManish Rangankar 6753ad8bd45eSManish Rangankar if (idx == max_ddbs) 6754ad8bd45eSManish Rangankar ql4_printk(KERN_ERR, ha, "Failed to find ST [%d] in flash\n", 6755ad8bd45eSManish Rangankar fw_idx); 6756ad8bd45eSManish Rangankar 6757ad8bd45eSManish Rangankar exit_find_st_idx: 6758ad8bd45eSManish Rangankar if (flash_ddb_entry) 6759ad8bd45eSManish Rangankar dma_pool_free(ha->fw_ddb_dma_pool, flash_ddb_entry, 6760ad8bd45eSManish Rangankar flash_ddb_entry_dma); 6761ad8bd45eSManish Rangankar 6762ad8bd45eSManish Rangankar return ret; 6763ad8bd45eSManish Rangankar } 6764ad8bd45eSManish Rangankar 67654a4bc2e9SLalit Chandivade static void qla4xxx_build_st_list(struct scsi_qla_host *ha, 67664a4bc2e9SLalit Chandivade struct list_head *list_st) 676713483730SMike Christie { 67684a4bc2e9SLalit Chandivade struct qla_ddb_index *st_ddb_idx; 676913483730SMike Christie int max_ddbs; 67704a4bc2e9SLalit Chandivade int fw_idx_size; 67714a4bc2e9SLalit Chandivade struct dev_db_entry *fw_ddb_entry; 67724a4bc2e9SLalit Chandivade dma_addr_t fw_ddb_dma; 677313483730SMike Christie int ret; 677413483730SMike Christie uint32_t idx = 0, next_idx = 0; 677513483730SMike Christie uint32_t state = 0, conn_err = 0; 6776ad8bd45eSManish Rangankar uint32_t flash_index = -1; 67774a4bc2e9SLalit Chandivade uint16_t conn_id = 0; 677813483730SMike Christie 677913483730SMike Christie fw_ddb_entry = dma_pool_alloc(ha->fw_ddb_dma_pool, GFP_KERNEL, 678013483730SMike Christie &fw_ddb_dma); 678113483730SMike Christie if (fw_ddb_entry == NULL) { 678213483730SMike Christie DEBUG2(ql4_printk(KERN_ERR, ha, "Out of memory\n")); 67834a4bc2e9SLalit Chandivade goto exit_st_list; 678413483730SMike Christie } 678513483730SMike Christie 67864a4bc2e9SLalit Chandivade max_ddbs = is_qla40XX(ha) ? MAX_DEV_DB_ENTRIES_40XX : 67874a4bc2e9SLalit Chandivade MAX_DEV_DB_ENTRIES; 678813483730SMike Christie fw_idx_size = sizeof(struct qla_ddb_index); 678913483730SMike Christie 679013483730SMike Christie for (idx = 0; idx < max_ddbs; idx = next_idx) { 67914a4bc2e9SLalit Chandivade ret = qla4xxx_get_fwddb_entry(ha, idx, fw_ddb_entry, fw_ddb_dma, 67924a4bc2e9SLalit Chandivade NULL, &next_idx, &state, 67934a4bc2e9SLalit Chandivade &conn_err, NULL, &conn_id); 679413483730SMike Christie if (ret == QLA_ERROR) 679513483730SMike Christie break; 679613483730SMike Christie 6797981c982cSLalit Chandivade /* Ignore DDB if invalid state (unassigned) */ 6798981c982cSLalit Chandivade if (state == DDB_DS_UNASSIGNED) 6799981c982cSLalit Chandivade goto continue_next_st; 6800981c982cSLalit Chandivade 680113483730SMike Christie /* Check if ST, add to the list_st */ 680213483730SMike Christie if (strlen((char *) fw_ddb_entry->iscsi_name) != 0) 680313483730SMike Christie goto continue_next_st; 680413483730SMike Christie 680513483730SMike Christie st_ddb_idx = vzalloc(fw_idx_size); 680613483730SMike Christie if (!st_ddb_idx) 680713483730SMike Christie break; 680813483730SMike Christie 6809ad8bd45eSManish Rangankar ret = qla4xxx_find_flash_st_idx(ha, fw_ddb_entry, idx, 6810ad8bd45eSManish Rangankar &flash_index); 6811ad8bd45eSManish Rangankar if (ret == QLA_ERROR) { 6812ad8bd45eSManish Rangankar ql4_printk(KERN_ERR, ha, 6813ad8bd45eSManish Rangankar "No flash entry for ST at idx [%d]\n", idx); 6814ad8bd45eSManish Rangankar st_ddb_idx->flash_ddb_idx = idx; 6815ad8bd45eSManish Rangankar } else { 6816ad8bd45eSManish Rangankar ql4_printk(KERN_INFO, ha, 6817ad8bd45eSManish Rangankar "ST at idx [%d] is stored at flash [%d]\n", 6818ad8bd45eSManish Rangankar idx, flash_index); 6819ad8bd45eSManish Rangankar st_ddb_idx->flash_ddb_idx = flash_index; 6820ad8bd45eSManish Rangankar } 6821ad8bd45eSManish Rangankar 682213483730SMike Christie st_ddb_idx->fw_ddb_idx = idx; 682313483730SMike Christie 68244a4bc2e9SLalit Chandivade list_add_tail(&st_ddb_idx->list, list_st); 682513483730SMike Christie continue_next_st: 682613483730SMike Christie if (next_idx == 0) 682713483730SMike Christie break; 682813483730SMike Christie } 682913483730SMike Christie 68304a4bc2e9SLalit Chandivade exit_st_list: 68314a4bc2e9SLalit Chandivade if (fw_ddb_entry) 68324a4bc2e9SLalit Chandivade dma_pool_free(ha->fw_ddb_dma_pool, fw_ddb_entry, fw_ddb_dma); 68334a4bc2e9SLalit Chandivade } 68344a4bc2e9SLalit Chandivade 68354a4bc2e9SLalit Chandivade /** 68364a4bc2e9SLalit Chandivade * qla4xxx_remove_failed_ddb - Remove inactive or failed ddb from list 68374a4bc2e9SLalit Chandivade * @ha: pointer to adapter structure 68384a4bc2e9SLalit Chandivade * @list_ddb: List from which failed ddb to be removed 68394a4bc2e9SLalit Chandivade * 68404a4bc2e9SLalit Chandivade * Iterate over the list of DDBs and find and remove DDBs that are either in 68414a4bc2e9SLalit Chandivade * no connection active state or failed state 68424a4bc2e9SLalit Chandivade **/ 68434a4bc2e9SLalit Chandivade static void qla4xxx_remove_failed_ddb(struct scsi_qla_host *ha, 68444a4bc2e9SLalit Chandivade struct list_head *list_ddb) 68454a4bc2e9SLalit Chandivade { 68464a4bc2e9SLalit Chandivade struct qla_ddb_index *ddb_idx, *ddb_idx_tmp; 68474a4bc2e9SLalit Chandivade uint32_t next_idx = 0; 68484a4bc2e9SLalit Chandivade uint32_t state = 0, conn_err = 0; 68494a4bc2e9SLalit Chandivade int ret; 68504a4bc2e9SLalit Chandivade 68514a4bc2e9SLalit Chandivade list_for_each_entry_safe(ddb_idx, ddb_idx_tmp, list_ddb, list) { 68524a4bc2e9SLalit Chandivade ret = qla4xxx_get_fwddb_entry(ha, ddb_idx->fw_ddb_idx, 68534a4bc2e9SLalit Chandivade NULL, 0, NULL, &next_idx, &state, 68544a4bc2e9SLalit Chandivade &conn_err, NULL, NULL); 68554a4bc2e9SLalit Chandivade if (ret == QLA_ERROR) 68564a4bc2e9SLalit Chandivade continue; 68574a4bc2e9SLalit Chandivade 68584a4bc2e9SLalit Chandivade if (state == DDB_DS_NO_CONNECTION_ACTIVE || 68594a4bc2e9SLalit Chandivade state == DDB_DS_SESSION_FAILED) { 68604a4bc2e9SLalit Chandivade list_del_init(&ddb_idx->list); 68614a4bc2e9SLalit Chandivade vfree(ddb_idx); 68624a4bc2e9SLalit Chandivade } 68634a4bc2e9SLalit Chandivade } 68644a4bc2e9SLalit Chandivade } 68654a4bc2e9SLalit Chandivade 6866ad8bd45eSManish Rangankar static void qla4xxx_update_sess_disc_idx(struct scsi_qla_host *ha, 6867ad8bd45eSManish Rangankar struct ddb_entry *ddb_entry, 6868ad8bd45eSManish Rangankar struct dev_db_entry *fw_ddb_entry) 6869ad8bd45eSManish Rangankar { 6870ad8bd45eSManish Rangankar struct iscsi_cls_session *cls_sess; 6871ad8bd45eSManish Rangankar struct iscsi_session *sess; 6872ad8bd45eSManish Rangankar uint32_t max_ddbs = 0; 6873ad8bd45eSManish Rangankar uint16_t ddb_link = -1; 6874ad8bd45eSManish Rangankar 6875ad8bd45eSManish Rangankar max_ddbs = is_qla40XX(ha) ? MAX_DEV_DB_ENTRIES_40XX : 6876ad8bd45eSManish Rangankar MAX_DEV_DB_ENTRIES; 6877ad8bd45eSManish Rangankar 6878ad8bd45eSManish Rangankar cls_sess = ddb_entry->sess; 6879ad8bd45eSManish Rangankar sess = cls_sess->dd_data; 6880ad8bd45eSManish Rangankar 6881ad8bd45eSManish Rangankar ddb_link = le16_to_cpu(fw_ddb_entry->ddb_link); 6882ad8bd45eSManish Rangankar if (ddb_link < max_ddbs) 6883ad8bd45eSManish Rangankar sess->discovery_parent_idx = ddb_link; 6884ad8bd45eSManish Rangankar else 6885ad8bd45eSManish Rangankar sess->discovery_parent_idx = DDB_NO_LINK; 6886ad8bd45eSManish Rangankar } 6887ad8bd45eSManish Rangankar 68884a4bc2e9SLalit Chandivade static int qla4xxx_sess_conn_setup(struct scsi_qla_host *ha, 68894a4bc2e9SLalit Chandivade struct dev_db_entry *fw_ddb_entry, 68901dc8ed5dSManish Rangankar int is_reset, uint16_t idx) 68914a4bc2e9SLalit Chandivade { 68924a4bc2e9SLalit Chandivade struct iscsi_cls_session *cls_sess; 68934a4bc2e9SLalit Chandivade struct iscsi_session *sess; 68944a4bc2e9SLalit Chandivade struct iscsi_cls_conn *cls_conn; 68954a4bc2e9SLalit Chandivade struct iscsi_endpoint *ep; 68964a4bc2e9SLalit Chandivade uint16_t cmds_max = 32; 68974a4bc2e9SLalit Chandivade uint16_t conn_id = 0; 68984a4bc2e9SLalit Chandivade uint32_t initial_cmdsn = 0; 68994a4bc2e9SLalit Chandivade int ret = QLA_SUCCESS; 69004a4bc2e9SLalit Chandivade 69014a4bc2e9SLalit Chandivade struct ddb_entry *ddb_entry = NULL; 69024a4bc2e9SLalit Chandivade 69034a4bc2e9SLalit Chandivade /* Create session object, with INVALID_ENTRY, 69044a4bc2e9SLalit Chandivade * the targer_id would get set when we issue the login 69054a4bc2e9SLalit Chandivade */ 69064a4bc2e9SLalit Chandivade cls_sess = iscsi_session_setup(&qla4xxx_iscsi_transport, ha->host, 69074a4bc2e9SLalit Chandivade cmds_max, sizeof(struct ddb_entry), 69084a4bc2e9SLalit Chandivade sizeof(struct ql4_task_data), 69094a4bc2e9SLalit Chandivade initial_cmdsn, INVALID_ENTRY); 69104a4bc2e9SLalit Chandivade if (!cls_sess) { 69114a4bc2e9SLalit Chandivade ret = QLA_ERROR; 69124a4bc2e9SLalit Chandivade goto exit_setup; 69134a4bc2e9SLalit Chandivade } 69144a4bc2e9SLalit Chandivade 69154a4bc2e9SLalit Chandivade /* 69164a4bc2e9SLalit Chandivade * so calling module_put function to decrement the 69174a4bc2e9SLalit Chandivade * reference count. 69184a4bc2e9SLalit Chandivade **/ 69194a4bc2e9SLalit Chandivade module_put(qla4xxx_iscsi_transport.owner); 69204a4bc2e9SLalit Chandivade sess = cls_sess->dd_data; 69214a4bc2e9SLalit Chandivade ddb_entry = sess->dd_data; 69224a4bc2e9SLalit Chandivade ddb_entry->sess = cls_sess; 69234a4bc2e9SLalit Chandivade 69244a4bc2e9SLalit Chandivade cls_sess->recovery_tmo = ql4xsess_recovery_tmo; 69254a4bc2e9SLalit Chandivade memcpy(&ddb_entry->fw_ddb_entry, fw_ddb_entry, 69264a4bc2e9SLalit Chandivade sizeof(struct dev_db_entry)); 69274a4bc2e9SLalit Chandivade 69281dc8ed5dSManish Rangankar qla4xxx_setup_flash_ddb_entry(ha, ddb_entry, idx); 69294a4bc2e9SLalit Chandivade 69304a4bc2e9SLalit Chandivade cls_conn = iscsi_conn_setup(cls_sess, sizeof(struct qla_conn), conn_id); 69314a4bc2e9SLalit Chandivade 69324a4bc2e9SLalit Chandivade if (!cls_conn) { 69334a4bc2e9SLalit Chandivade ret = QLA_ERROR; 69344a4bc2e9SLalit Chandivade goto exit_setup; 69354a4bc2e9SLalit Chandivade } 69364a4bc2e9SLalit Chandivade 69374a4bc2e9SLalit Chandivade ddb_entry->conn = cls_conn; 69384a4bc2e9SLalit Chandivade 69394a4bc2e9SLalit Chandivade /* Setup ep, for displaying attributes in sysfs */ 69404a4bc2e9SLalit Chandivade ep = qla4xxx_get_ep_fwdb(ha, fw_ddb_entry); 69414a4bc2e9SLalit Chandivade if (ep) { 69424a4bc2e9SLalit Chandivade ep->conn = cls_conn; 69434a4bc2e9SLalit Chandivade cls_conn->ep = ep; 69444a4bc2e9SLalit Chandivade } else { 69454a4bc2e9SLalit Chandivade DEBUG2(ql4_printk(KERN_ERR, ha, "Unable to get ep\n")); 69464a4bc2e9SLalit Chandivade ret = QLA_ERROR; 69474a4bc2e9SLalit Chandivade goto exit_setup; 69484a4bc2e9SLalit Chandivade } 69494a4bc2e9SLalit Chandivade 69504a4bc2e9SLalit Chandivade /* Update sess/conn params */ 69514a4bc2e9SLalit Chandivade qla4xxx_copy_fwddb_param(ha, fw_ddb_entry, cls_sess, cls_conn); 6952ad8bd45eSManish Rangankar qla4xxx_update_sess_disc_idx(ha, ddb_entry, fw_ddb_entry); 69534a4bc2e9SLalit Chandivade 69544a4bc2e9SLalit Chandivade if (is_reset == RESET_ADAPTER) { 69554a4bc2e9SLalit Chandivade iscsi_block_session(cls_sess); 69564a4bc2e9SLalit Chandivade /* Use the relogin path to discover new devices 6957014ace23SBhaskar Chowdhury * by short-circuiting the logic of setting 69584a4bc2e9SLalit Chandivade * timer to relogin - instead set the flags 69594a4bc2e9SLalit Chandivade * to initiate login right away. 69604a4bc2e9SLalit Chandivade */ 69614a4bc2e9SLalit Chandivade set_bit(DPC_RELOGIN_DEVICE, &ha->dpc_flags); 69624a4bc2e9SLalit Chandivade set_bit(DF_RELOGIN, &ddb_entry->flags); 69634a4bc2e9SLalit Chandivade } 69644a4bc2e9SLalit Chandivade 69654a4bc2e9SLalit Chandivade exit_setup: 69664a4bc2e9SLalit Chandivade return ret; 69674a4bc2e9SLalit Chandivade } 69684a4bc2e9SLalit Chandivade 6969ad8bd45eSManish Rangankar static void qla4xxx_update_fw_ddb_link(struct scsi_qla_host *ha, 6970ad8bd45eSManish Rangankar struct list_head *list_ddb, 6971ad8bd45eSManish Rangankar struct dev_db_entry *fw_ddb_entry) 6972ad8bd45eSManish Rangankar { 6973ad8bd45eSManish Rangankar struct qla_ddb_index *ddb_idx, *ddb_idx_tmp; 6974ad8bd45eSManish Rangankar uint16_t ddb_link; 6975ad8bd45eSManish Rangankar 6976ad8bd45eSManish Rangankar ddb_link = le16_to_cpu(fw_ddb_entry->ddb_link); 6977ad8bd45eSManish Rangankar 6978ad8bd45eSManish Rangankar list_for_each_entry_safe(ddb_idx, ddb_idx_tmp, list_ddb, list) { 6979ad8bd45eSManish Rangankar if (ddb_idx->fw_ddb_idx == ddb_link) { 6980ad8bd45eSManish Rangankar DEBUG2(ql4_printk(KERN_INFO, ha, 6981ad8bd45eSManish Rangankar "Updating NT parent idx from [%d] to [%d]\n", 6982ad8bd45eSManish Rangankar ddb_link, ddb_idx->flash_ddb_idx)); 6983ad8bd45eSManish Rangankar fw_ddb_entry->ddb_link = 6984ad8bd45eSManish Rangankar cpu_to_le16(ddb_idx->flash_ddb_idx); 6985ad8bd45eSManish Rangankar return; 6986ad8bd45eSManish Rangankar } 6987ad8bd45eSManish Rangankar } 6988ad8bd45eSManish Rangankar } 6989ad8bd45eSManish Rangankar 69904a4bc2e9SLalit Chandivade static void qla4xxx_build_nt_list(struct scsi_qla_host *ha, 6991ad8bd45eSManish Rangankar struct list_head *list_nt, 6992ad8bd45eSManish Rangankar struct list_head *list_st, 6993ad8bd45eSManish Rangankar int is_reset) 69944a4bc2e9SLalit Chandivade { 69954a4bc2e9SLalit Chandivade struct dev_db_entry *fw_ddb_entry; 6996ad8bd45eSManish Rangankar struct ddb_entry *ddb_entry = NULL; 69974a4bc2e9SLalit Chandivade dma_addr_t fw_ddb_dma; 69984a4bc2e9SLalit Chandivade int max_ddbs; 69994a4bc2e9SLalit Chandivade int fw_idx_size; 70004a4bc2e9SLalit Chandivade int ret; 70014a4bc2e9SLalit Chandivade uint32_t idx = 0, next_idx = 0; 70024a4bc2e9SLalit Chandivade uint32_t state = 0, conn_err = 0; 7003ad8bd45eSManish Rangankar uint32_t ddb_idx = -1; 70044a4bc2e9SLalit Chandivade uint16_t conn_id = 0; 7005ad8bd45eSManish Rangankar uint16_t ddb_link = -1; 70064a4bc2e9SLalit Chandivade struct qla_ddb_index *nt_ddb_idx; 70074a4bc2e9SLalit Chandivade 70084a4bc2e9SLalit Chandivade fw_ddb_entry = dma_pool_alloc(ha->fw_ddb_dma_pool, GFP_KERNEL, 70094a4bc2e9SLalit Chandivade &fw_ddb_dma); 70104a4bc2e9SLalit Chandivade if (fw_ddb_entry == NULL) { 70114a4bc2e9SLalit Chandivade DEBUG2(ql4_printk(KERN_ERR, ha, "Out of memory\n")); 70124a4bc2e9SLalit Chandivade goto exit_nt_list; 70134a4bc2e9SLalit Chandivade } 70144a4bc2e9SLalit Chandivade max_ddbs = is_qla40XX(ha) ? MAX_DEV_DB_ENTRIES_40XX : 70154a4bc2e9SLalit Chandivade MAX_DEV_DB_ENTRIES; 70164a4bc2e9SLalit Chandivade fw_idx_size = sizeof(struct qla_ddb_index); 70174a4bc2e9SLalit Chandivade 70184a4bc2e9SLalit Chandivade for (idx = 0; idx < max_ddbs; idx = next_idx) { 70194a4bc2e9SLalit Chandivade ret = qla4xxx_get_fwddb_entry(ha, idx, fw_ddb_entry, fw_ddb_dma, 70204a4bc2e9SLalit Chandivade NULL, &next_idx, &state, 70214a4bc2e9SLalit Chandivade &conn_err, NULL, &conn_id); 70224a4bc2e9SLalit Chandivade if (ret == QLA_ERROR) 70234a4bc2e9SLalit Chandivade break; 70244a4bc2e9SLalit Chandivade 70254a4bc2e9SLalit Chandivade if (qla4xxx_verify_boot_idx(ha, idx) != QLA_SUCCESS) 70264a4bc2e9SLalit Chandivade goto continue_next_nt; 70274a4bc2e9SLalit Chandivade 70284a4bc2e9SLalit Chandivade /* Check if NT, then add to list it */ 70294a4bc2e9SLalit Chandivade if (strlen((char *) fw_ddb_entry->iscsi_name) == 0) 70304a4bc2e9SLalit Chandivade goto continue_next_nt; 70314a4bc2e9SLalit Chandivade 7032ad8bd45eSManish Rangankar ddb_link = le16_to_cpu(fw_ddb_entry->ddb_link); 7033ad8bd45eSManish Rangankar if (ddb_link < max_ddbs) 7034ad8bd45eSManish Rangankar qla4xxx_update_fw_ddb_link(ha, list_st, fw_ddb_entry); 7035ad8bd45eSManish Rangankar 70364a4bc2e9SLalit Chandivade if (!(state == DDB_DS_NO_CONNECTION_ACTIVE || 7037ad8bd45eSManish Rangankar state == DDB_DS_SESSION_FAILED) && 7038ad8bd45eSManish Rangankar (is_reset == INIT_ADAPTER)) 70394a4bc2e9SLalit Chandivade goto continue_next_nt; 70404a4bc2e9SLalit Chandivade 70414a4bc2e9SLalit Chandivade DEBUG2(ql4_printk(KERN_INFO, ha, 70424a4bc2e9SLalit Chandivade "Adding DDB to session = 0x%x\n", idx)); 7043ad8bd45eSManish Rangankar 70444a4bc2e9SLalit Chandivade if (is_reset == INIT_ADAPTER) { 70454a4bc2e9SLalit Chandivade nt_ddb_idx = vmalloc(fw_idx_size); 70464a4bc2e9SLalit Chandivade if (!nt_ddb_idx) 70474a4bc2e9SLalit Chandivade break; 70484a4bc2e9SLalit Chandivade 70494a4bc2e9SLalit Chandivade nt_ddb_idx->fw_ddb_idx = idx; 70504a4bc2e9SLalit Chandivade 70511cb78d73SVikas Chaudhary /* Copy original isid as it may get updated in function 70521cb78d73SVikas Chaudhary * qla4xxx_update_isid(). We need original isid in 70531cb78d73SVikas Chaudhary * function qla4xxx_compare_tuple_ddb to find duplicate 70541cb78d73SVikas Chaudhary * target */ 70551cb78d73SVikas Chaudhary memcpy(&nt_ddb_idx->flash_isid[0], 70561cb78d73SVikas Chaudhary &fw_ddb_entry->isid[0], 70571cb78d73SVikas Chaudhary sizeof(nt_ddb_idx->flash_isid)); 70584a4bc2e9SLalit Chandivade 70591cb78d73SVikas Chaudhary ret = qla4xxx_is_flash_ddb_exists(ha, list_nt, 70601cb78d73SVikas Chaudhary fw_ddb_entry); 70611cb78d73SVikas Chaudhary if (ret == QLA_SUCCESS) { 70621cb78d73SVikas Chaudhary /* free nt_ddb_idx and do not add to list_nt */ 70634a4bc2e9SLalit Chandivade vfree(nt_ddb_idx); 70644a4bc2e9SLalit Chandivade goto continue_next_nt; 70654a4bc2e9SLalit Chandivade } 70661cb78d73SVikas Chaudhary 70671cb78d73SVikas Chaudhary /* Copy updated isid */ 70681cb78d73SVikas Chaudhary memcpy(&nt_ddb_idx->fw_ddb, fw_ddb_entry, 70691cb78d73SVikas Chaudhary sizeof(struct dev_db_entry)); 70701cb78d73SVikas Chaudhary 70714a4bc2e9SLalit Chandivade list_add_tail(&nt_ddb_idx->list, list_nt); 70724a4bc2e9SLalit Chandivade } else if (is_reset == RESET_ADAPTER) { 7073ad8bd45eSManish Rangankar ret = qla4xxx_is_session_exists(ha, fw_ddb_entry, 7074ad8bd45eSManish Rangankar &ddb_idx); 7075ad8bd45eSManish Rangankar if (ret == QLA_SUCCESS) { 7076ad8bd45eSManish Rangankar ddb_entry = qla4xxx_lookup_ddb_by_fw_index(ha, 7077ad8bd45eSManish Rangankar ddb_idx); 7078ad8bd45eSManish Rangankar if (ddb_entry != NULL) 7079ad8bd45eSManish Rangankar qla4xxx_update_sess_disc_idx(ha, 7080ad8bd45eSManish Rangankar ddb_entry, 7081ad8bd45eSManish Rangankar fw_ddb_entry); 70824a4bc2e9SLalit Chandivade goto continue_next_nt; 70834a4bc2e9SLalit Chandivade } 7084ad8bd45eSManish Rangankar } 70854a4bc2e9SLalit Chandivade 70861dc8ed5dSManish Rangankar ret = qla4xxx_sess_conn_setup(ha, fw_ddb_entry, is_reset, idx); 70874a4bc2e9SLalit Chandivade if (ret == QLA_ERROR) 70884a4bc2e9SLalit Chandivade goto exit_nt_list; 70894a4bc2e9SLalit Chandivade 70904a4bc2e9SLalit Chandivade continue_next_nt: 70914a4bc2e9SLalit Chandivade if (next_idx == 0) 70924a4bc2e9SLalit Chandivade break; 70934a4bc2e9SLalit Chandivade } 70944a4bc2e9SLalit Chandivade 70954a4bc2e9SLalit Chandivade exit_nt_list: 70964a4bc2e9SLalit Chandivade if (fw_ddb_entry) 70974a4bc2e9SLalit Chandivade dma_pool_free(ha->fw_ddb_dma_pool, fw_ddb_entry, fw_ddb_dma); 70984a4bc2e9SLalit Chandivade } 70994a4bc2e9SLalit Chandivade 71001e9e2be3SAdheer Chandravanshi static void qla4xxx_build_new_nt_list(struct scsi_qla_host *ha, 7101ad8bd45eSManish Rangankar struct list_head *list_nt, 7102ad8bd45eSManish Rangankar uint16_t target_id) 71031e9e2be3SAdheer Chandravanshi { 71041e9e2be3SAdheer Chandravanshi struct dev_db_entry *fw_ddb_entry; 71051e9e2be3SAdheer Chandravanshi dma_addr_t fw_ddb_dma; 71061e9e2be3SAdheer Chandravanshi int max_ddbs; 71071e9e2be3SAdheer Chandravanshi int fw_idx_size; 71081e9e2be3SAdheer Chandravanshi int ret; 71091e9e2be3SAdheer Chandravanshi uint32_t idx = 0, next_idx = 0; 71101e9e2be3SAdheer Chandravanshi uint32_t state = 0, conn_err = 0; 71111e9e2be3SAdheer Chandravanshi uint16_t conn_id = 0; 71121e9e2be3SAdheer Chandravanshi struct qla_ddb_index *nt_ddb_idx; 71131e9e2be3SAdheer Chandravanshi 71141e9e2be3SAdheer Chandravanshi fw_ddb_entry = dma_pool_alloc(ha->fw_ddb_dma_pool, GFP_KERNEL, 71151e9e2be3SAdheer Chandravanshi &fw_ddb_dma); 71161e9e2be3SAdheer Chandravanshi if (fw_ddb_entry == NULL) { 71171e9e2be3SAdheer Chandravanshi DEBUG2(ql4_printk(KERN_ERR, ha, "Out of memory\n")); 71181e9e2be3SAdheer Chandravanshi goto exit_new_nt_list; 71191e9e2be3SAdheer Chandravanshi } 71201e9e2be3SAdheer Chandravanshi max_ddbs = is_qla40XX(ha) ? MAX_DEV_DB_ENTRIES_40XX : 71211e9e2be3SAdheer Chandravanshi MAX_DEV_DB_ENTRIES; 71221e9e2be3SAdheer Chandravanshi fw_idx_size = sizeof(struct qla_ddb_index); 71231e9e2be3SAdheer Chandravanshi 71241e9e2be3SAdheer Chandravanshi for (idx = 0; idx < max_ddbs; idx = next_idx) { 71251e9e2be3SAdheer Chandravanshi ret = qla4xxx_get_fwddb_entry(ha, idx, fw_ddb_entry, fw_ddb_dma, 71261e9e2be3SAdheer Chandravanshi NULL, &next_idx, &state, 71271e9e2be3SAdheer Chandravanshi &conn_err, NULL, &conn_id); 71281e9e2be3SAdheer Chandravanshi if (ret == QLA_ERROR) 71291e9e2be3SAdheer Chandravanshi break; 71301e9e2be3SAdheer Chandravanshi 71311e9e2be3SAdheer Chandravanshi /* Check if NT, then add it to list */ 71321e9e2be3SAdheer Chandravanshi if (strlen((char *)fw_ddb_entry->iscsi_name) == 0) 71331e9e2be3SAdheer Chandravanshi goto continue_next_new_nt; 71341e9e2be3SAdheer Chandravanshi 71351e9e2be3SAdheer Chandravanshi if (!(state == DDB_DS_NO_CONNECTION_ACTIVE)) 71361e9e2be3SAdheer Chandravanshi goto continue_next_new_nt; 71371e9e2be3SAdheer Chandravanshi 71381e9e2be3SAdheer Chandravanshi DEBUG2(ql4_printk(KERN_INFO, ha, 71391e9e2be3SAdheer Chandravanshi "Adding DDB to session = 0x%x\n", idx)); 71401e9e2be3SAdheer Chandravanshi 71411e9e2be3SAdheer Chandravanshi nt_ddb_idx = vmalloc(fw_idx_size); 71421e9e2be3SAdheer Chandravanshi if (!nt_ddb_idx) 71431e9e2be3SAdheer Chandravanshi break; 71441e9e2be3SAdheer Chandravanshi 71451e9e2be3SAdheer Chandravanshi nt_ddb_idx->fw_ddb_idx = idx; 71461e9e2be3SAdheer Chandravanshi 7147ad8bd45eSManish Rangankar ret = qla4xxx_is_session_exists(ha, fw_ddb_entry, NULL); 71481e9e2be3SAdheer Chandravanshi if (ret == QLA_SUCCESS) { 71491e9e2be3SAdheer Chandravanshi /* free nt_ddb_idx and do not add to list_nt */ 71501e9e2be3SAdheer Chandravanshi vfree(nt_ddb_idx); 71511e9e2be3SAdheer Chandravanshi goto continue_next_new_nt; 71521e9e2be3SAdheer Chandravanshi } 71531e9e2be3SAdheer Chandravanshi 7154ad8bd45eSManish Rangankar if (target_id < max_ddbs) 7155ad8bd45eSManish Rangankar fw_ddb_entry->ddb_link = cpu_to_le16(target_id); 7156ad8bd45eSManish Rangankar 71571e9e2be3SAdheer Chandravanshi list_add_tail(&nt_ddb_idx->list, list_nt); 71581e9e2be3SAdheer Chandravanshi 71591e9e2be3SAdheer Chandravanshi ret = qla4xxx_sess_conn_setup(ha, fw_ddb_entry, RESET_ADAPTER, 71601e9e2be3SAdheer Chandravanshi idx); 71611e9e2be3SAdheer Chandravanshi if (ret == QLA_ERROR) 71621e9e2be3SAdheer Chandravanshi goto exit_new_nt_list; 71631e9e2be3SAdheer Chandravanshi 71641e9e2be3SAdheer Chandravanshi continue_next_new_nt: 71651e9e2be3SAdheer Chandravanshi if (next_idx == 0) 71661e9e2be3SAdheer Chandravanshi break; 71671e9e2be3SAdheer Chandravanshi } 71681e9e2be3SAdheer Chandravanshi 71691e9e2be3SAdheer Chandravanshi exit_new_nt_list: 71701e9e2be3SAdheer Chandravanshi if (fw_ddb_entry) 71711e9e2be3SAdheer Chandravanshi dma_pool_free(ha->fw_ddb_dma_pool, fw_ddb_entry, fw_ddb_dma); 71721e9e2be3SAdheer Chandravanshi } 71731e9e2be3SAdheer Chandravanshi 71741e9e2be3SAdheer Chandravanshi /** 71751e9e2be3SAdheer Chandravanshi * qla4xxx_sysfs_ddb_is_non_persistent - check for non-persistence of ddb entry 71761e9e2be3SAdheer Chandravanshi * @dev: dev associated with the sysfs entry 71771e9e2be3SAdheer Chandravanshi * @data: pointer to flashnode session object 71781e9e2be3SAdheer Chandravanshi * 71791e9e2be3SAdheer Chandravanshi * Returns: 71801e9e2be3SAdheer Chandravanshi * 1: if flashnode entry is non-persistent 71811e9e2be3SAdheer Chandravanshi * 0: if flashnode entry is persistent 71821e9e2be3SAdheer Chandravanshi **/ 71831e9e2be3SAdheer Chandravanshi static int qla4xxx_sysfs_ddb_is_non_persistent(struct device *dev, void *data) 71841e9e2be3SAdheer Chandravanshi { 71851e9e2be3SAdheer Chandravanshi struct iscsi_bus_flash_session *fnode_sess; 71861e9e2be3SAdheer Chandravanshi 71871e9e2be3SAdheer Chandravanshi if (!iscsi_flashnode_bus_match(dev, NULL)) 71881e9e2be3SAdheer Chandravanshi return 0; 71891e9e2be3SAdheer Chandravanshi 71901e9e2be3SAdheer Chandravanshi fnode_sess = iscsi_dev_to_flash_session(dev); 71911e9e2be3SAdheer Chandravanshi 71921e9e2be3SAdheer Chandravanshi return (fnode_sess->flash_state == DEV_DB_NON_PERSISTENT); 71931e9e2be3SAdheer Chandravanshi } 71941e9e2be3SAdheer Chandravanshi 71951e9e2be3SAdheer Chandravanshi /** 71961e9e2be3SAdheer Chandravanshi * qla4xxx_sysfs_ddb_tgt_create - Create sysfs entry for target 71971e9e2be3SAdheer Chandravanshi * @ha: pointer to host 71981e9e2be3SAdheer Chandravanshi * @fw_ddb_entry: flash ddb data 71991e9e2be3SAdheer Chandravanshi * @idx: target index 72001e9e2be3SAdheer Chandravanshi * @user: if set then this call is made from userland else from kernel 72011e9e2be3SAdheer Chandravanshi * 72021e9e2be3SAdheer Chandravanshi * Returns: 72031e9e2be3SAdheer Chandravanshi * On sucess: QLA_SUCCESS 72041e9e2be3SAdheer Chandravanshi * On failure: QLA_ERROR 72051e9e2be3SAdheer Chandravanshi * 72061e9e2be3SAdheer Chandravanshi * This create separate sysfs entries for session and connection attributes of 72071e9e2be3SAdheer Chandravanshi * the given fw ddb entry. 72081e9e2be3SAdheer Chandravanshi * If this is invoked as a result of a userspace call then the entry is marked 72091e9e2be3SAdheer Chandravanshi * as nonpersistent using flash_state field. 72101e9e2be3SAdheer Chandravanshi **/ 721128e02f1aSVikas Chaudhary static int qla4xxx_sysfs_ddb_tgt_create(struct scsi_qla_host *ha, 72121e9e2be3SAdheer Chandravanshi struct dev_db_entry *fw_ddb_entry, 72131e9e2be3SAdheer Chandravanshi uint16_t *idx, int user) 72141e9e2be3SAdheer Chandravanshi { 72151e9e2be3SAdheer Chandravanshi struct iscsi_bus_flash_session *fnode_sess = NULL; 72161e9e2be3SAdheer Chandravanshi struct iscsi_bus_flash_conn *fnode_conn = NULL; 72171e9e2be3SAdheer Chandravanshi int rc = QLA_ERROR; 72181e9e2be3SAdheer Chandravanshi 72191e9e2be3SAdheer Chandravanshi fnode_sess = iscsi_create_flashnode_sess(ha->host, *idx, 72201e9e2be3SAdheer Chandravanshi &qla4xxx_iscsi_transport, 0); 72211e9e2be3SAdheer Chandravanshi if (!fnode_sess) { 72221e9e2be3SAdheer Chandravanshi ql4_printk(KERN_ERR, ha, 72231e9e2be3SAdheer Chandravanshi "%s: Unable to create session sysfs entry for flashnode %d of host%lu\n", 72241e9e2be3SAdheer Chandravanshi __func__, *idx, ha->host_no); 72251e9e2be3SAdheer Chandravanshi goto exit_tgt_create; 72261e9e2be3SAdheer Chandravanshi } 72271e9e2be3SAdheer Chandravanshi 72281e9e2be3SAdheer Chandravanshi fnode_conn = iscsi_create_flashnode_conn(ha->host, fnode_sess, 72291e9e2be3SAdheer Chandravanshi &qla4xxx_iscsi_transport, 0); 72301e9e2be3SAdheer Chandravanshi if (!fnode_conn) { 72311e9e2be3SAdheer Chandravanshi ql4_printk(KERN_ERR, ha, 72321e9e2be3SAdheer Chandravanshi "%s: Unable to create conn sysfs entry for flashnode %d of host%lu\n", 72331e9e2be3SAdheer Chandravanshi __func__, *idx, ha->host_no); 72341e9e2be3SAdheer Chandravanshi goto free_sess; 72351e9e2be3SAdheer Chandravanshi } 72361e9e2be3SAdheer Chandravanshi 72371e9e2be3SAdheer Chandravanshi if (user) { 72381e9e2be3SAdheer Chandravanshi fnode_sess->flash_state = DEV_DB_NON_PERSISTENT; 72391e9e2be3SAdheer Chandravanshi } else { 72401e9e2be3SAdheer Chandravanshi fnode_sess->flash_state = DEV_DB_PERSISTENT; 72411e9e2be3SAdheer Chandravanshi 72421e9e2be3SAdheer Chandravanshi if (*idx == ha->pri_ddb_idx || *idx == ha->sec_ddb_idx) 72431e9e2be3SAdheer Chandravanshi fnode_sess->is_boot_target = 1; 72441e9e2be3SAdheer Chandravanshi else 72451e9e2be3SAdheer Chandravanshi fnode_sess->is_boot_target = 0; 72461e9e2be3SAdheer Chandravanshi } 72471e9e2be3SAdheer Chandravanshi 72481e9e2be3SAdheer Chandravanshi rc = qla4xxx_copy_from_fwddb_param(fnode_sess, fnode_conn, 72491e9e2be3SAdheer Chandravanshi fw_ddb_entry); 725072b4a046SYueHaibing if (rc) 725172b4a046SYueHaibing goto free_sess; 72521e9e2be3SAdheer Chandravanshi 72531e9e2be3SAdheer Chandravanshi ql4_printk(KERN_INFO, ha, "%s: sysfs entry %s created\n", 72541e9e2be3SAdheer Chandravanshi __func__, fnode_sess->dev.kobj.name); 72551e9e2be3SAdheer Chandravanshi 72561e9e2be3SAdheer Chandravanshi ql4_printk(KERN_INFO, ha, "%s: sysfs entry %s created\n", 72571e9e2be3SAdheer Chandravanshi __func__, fnode_conn->dev.kobj.name); 72581e9e2be3SAdheer Chandravanshi 72591e9e2be3SAdheer Chandravanshi return QLA_SUCCESS; 72601e9e2be3SAdheer Chandravanshi 72611e9e2be3SAdheer Chandravanshi free_sess: 72621e9e2be3SAdheer Chandravanshi iscsi_destroy_flashnode_sess(fnode_sess); 72631e9e2be3SAdheer Chandravanshi 72641e9e2be3SAdheer Chandravanshi exit_tgt_create: 72651e9e2be3SAdheer Chandravanshi return QLA_ERROR; 72661e9e2be3SAdheer Chandravanshi } 72671e9e2be3SAdheer Chandravanshi 72681e9e2be3SAdheer Chandravanshi /** 72691e9e2be3SAdheer Chandravanshi * qla4xxx_sysfs_ddb_add - Add new ddb entry in flash 72701e9e2be3SAdheer Chandravanshi * @shost: pointer to host 72711e9e2be3SAdheer Chandravanshi * @buf: type of ddb entry (ipv4/ipv6) 72721e9e2be3SAdheer Chandravanshi * @len: length of buf 72731e9e2be3SAdheer Chandravanshi * 72741e9e2be3SAdheer Chandravanshi * This creates new ddb entry in the flash by finding first free index and 72751e9e2be3SAdheer Chandravanshi * storing default ddb there. And then create sysfs entry for the new ddb entry. 72761e9e2be3SAdheer Chandravanshi **/ 72771e9e2be3SAdheer Chandravanshi static int qla4xxx_sysfs_ddb_add(struct Scsi_Host *shost, const char *buf, 72781e9e2be3SAdheer Chandravanshi int len) 72791e9e2be3SAdheer Chandravanshi { 72801e9e2be3SAdheer Chandravanshi struct scsi_qla_host *ha = to_qla_host(shost); 72811e9e2be3SAdheer Chandravanshi struct dev_db_entry *fw_ddb_entry = NULL; 72821e9e2be3SAdheer Chandravanshi dma_addr_t fw_ddb_entry_dma; 72831e9e2be3SAdheer Chandravanshi struct device *dev; 72841e9e2be3SAdheer Chandravanshi uint16_t idx = 0; 72851e9e2be3SAdheer Chandravanshi uint16_t max_ddbs = 0; 72861e9e2be3SAdheer Chandravanshi uint32_t options = 0; 72871e9e2be3SAdheer Chandravanshi uint32_t rval = QLA_ERROR; 72881e9e2be3SAdheer Chandravanshi 7289c962c18bSAdheer Chandravanshi if (strncasecmp(PORTAL_TYPE_IPV4, buf, 4) && 7290c962c18bSAdheer Chandravanshi strncasecmp(PORTAL_TYPE_IPV6, buf, 4)) { 72911e9e2be3SAdheer Chandravanshi DEBUG2(ql4_printk(KERN_ERR, ha, "%s: Invalid portal type\n", 72921e9e2be3SAdheer Chandravanshi __func__)); 72931e9e2be3SAdheer Chandravanshi goto exit_ddb_add; 72941e9e2be3SAdheer Chandravanshi } 72951e9e2be3SAdheer Chandravanshi 7296a957a7d7SAdheer Chandravanshi max_ddbs = is_qla40XX(ha) ? MAX_PRST_DEV_DB_ENTRIES : 72971e9e2be3SAdheer Chandravanshi MAX_DEV_DB_ENTRIES; 72981e9e2be3SAdheer Chandravanshi 72991e9e2be3SAdheer Chandravanshi fw_ddb_entry = dma_alloc_coherent(&ha->pdev->dev, sizeof(*fw_ddb_entry), 73001e9e2be3SAdheer Chandravanshi &fw_ddb_entry_dma, GFP_KERNEL); 73011e9e2be3SAdheer Chandravanshi if (!fw_ddb_entry) { 73021e9e2be3SAdheer Chandravanshi DEBUG2(ql4_printk(KERN_ERR, ha, 73031e9e2be3SAdheer Chandravanshi "%s: Unable to allocate dma buffer\n", 73041e9e2be3SAdheer Chandravanshi __func__)); 73051e9e2be3SAdheer Chandravanshi goto exit_ddb_add; 73061e9e2be3SAdheer Chandravanshi } 73071e9e2be3SAdheer Chandravanshi 73081e9e2be3SAdheer Chandravanshi dev = iscsi_find_flashnode_sess(ha->host, NULL, 73091e9e2be3SAdheer Chandravanshi qla4xxx_sysfs_ddb_is_non_persistent); 73101e9e2be3SAdheer Chandravanshi if (dev) { 73111e9e2be3SAdheer Chandravanshi ql4_printk(KERN_ERR, ha, 73121e9e2be3SAdheer Chandravanshi "%s: A non-persistent entry %s found\n", 73131e9e2be3SAdheer Chandravanshi __func__, dev->kobj.name); 73148526cb11SMike Christie put_device(dev); 73151e9e2be3SAdheer Chandravanshi goto exit_ddb_add; 73161e9e2be3SAdheer Chandravanshi } 73171e9e2be3SAdheer Chandravanshi 731899937574SAdheer Chandravanshi /* Index 0 and 1 are reserved for boot target entries */ 731999937574SAdheer Chandravanshi for (idx = 2; idx < max_ddbs; idx++) { 73201e9e2be3SAdheer Chandravanshi if (qla4xxx_flashdb_by_index(ha, fw_ddb_entry, 73211e9e2be3SAdheer Chandravanshi fw_ddb_entry_dma, idx)) 73221e9e2be3SAdheer Chandravanshi break; 73231e9e2be3SAdheer Chandravanshi } 73241e9e2be3SAdheer Chandravanshi 73251e9e2be3SAdheer Chandravanshi if (idx == max_ddbs) 73261e9e2be3SAdheer Chandravanshi goto exit_ddb_add; 73271e9e2be3SAdheer Chandravanshi 73281e9e2be3SAdheer Chandravanshi if (!strncasecmp("ipv6", buf, 4)) 73291e9e2be3SAdheer Chandravanshi options |= IPV6_DEFAULT_DDB_ENTRY; 73301e9e2be3SAdheer Chandravanshi 73311e9e2be3SAdheer Chandravanshi rval = qla4xxx_get_default_ddb(ha, options, fw_ddb_entry_dma); 73321e9e2be3SAdheer Chandravanshi if (rval == QLA_ERROR) 73331e9e2be3SAdheer Chandravanshi goto exit_ddb_add; 73341e9e2be3SAdheer Chandravanshi 73351e9e2be3SAdheer Chandravanshi rval = qla4xxx_sysfs_ddb_tgt_create(ha, fw_ddb_entry, &idx, 1); 73361e9e2be3SAdheer Chandravanshi 73371e9e2be3SAdheer Chandravanshi exit_ddb_add: 73381e9e2be3SAdheer Chandravanshi if (fw_ddb_entry) 73391e9e2be3SAdheer Chandravanshi dma_free_coherent(&ha->pdev->dev, sizeof(*fw_ddb_entry), 73401e9e2be3SAdheer Chandravanshi fw_ddb_entry, fw_ddb_entry_dma); 73411e9e2be3SAdheer Chandravanshi if (rval == QLA_SUCCESS) 73421e9e2be3SAdheer Chandravanshi return idx; 73431e9e2be3SAdheer Chandravanshi else 73441e9e2be3SAdheer Chandravanshi return -EIO; 73451e9e2be3SAdheer Chandravanshi } 73461e9e2be3SAdheer Chandravanshi 73471e9e2be3SAdheer Chandravanshi /** 73481e9e2be3SAdheer Chandravanshi * qla4xxx_sysfs_ddb_apply - write the target ddb contents to Flash 73491e9e2be3SAdheer Chandravanshi * @fnode_sess: pointer to session attrs of flash ddb entry 73501e9e2be3SAdheer Chandravanshi * @fnode_conn: pointer to connection attrs of flash ddb entry 73511e9e2be3SAdheer Chandravanshi * 73521e9e2be3SAdheer Chandravanshi * This writes the contents of target ddb buffer to Flash with a valid cookie 73531e9e2be3SAdheer Chandravanshi * value in order to make the ddb entry persistent. 73541e9e2be3SAdheer Chandravanshi **/ 73551e9e2be3SAdheer Chandravanshi static int qla4xxx_sysfs_ddb_apply(struct iscsi_bus_flash_session *fnode_sess, 73561e9e2be3SAdheer Chandravanshi struct iscsi_bus_flash_conn *fnode_conn) 73571e9e2be3SAdheer Chandravanshi { 73581e9e2be3SAdheer Chandravanshi struct Scsi_Host *shost = iscsi_flash_session_to_shost(fnode_sess); 73591e9e2be3SAdheer Chandravanshi struct scsi_qla_host *ha = to_qla_host(shost); 73601e9e2be3SAdheer Chandravanshi uint32_t dev_db_start_offset = FLASH_OFFSET_DB_INFO; 73611e9e2be3SAdheer Chandravanshi struct dev_db_entry *fw_ddb_entry = NULL; 73621e9e2be3SAdheer Chandravanshi dma_addr_t fw_ddb_entry_dma; 73631e9e2be3SAdheer Chandravanshi uint32_t options = 0; 73641e9e2be3SAdheer Chandravanshi int rval = 0; 73651e9e2be3SAdheer Chandravanshi 73661e9e2be3SAdheer Chandravanshi fw_ddb_entry = dma_alloc_coherent(&ha->pdev->dev, sizeof(*fw_ddb_entry), 73671e9e2be3SAdheer Chandravanshi &fw_ddb_entry_dma, GFP_KERNEL); 73681e9e2be3SAdheer Chandravanshi if (!fw_ddb_entry) { 73691e9e2be3SAdheer Chandravanshi DEBUG2(ql4_printk(KERN_ERR, ha, 73701e9e2be3SAdheer Chandravanshi "%s: Unable to allocate dma buffer\n", 73711e9e2be3SAdheer Chandravanshi __func__)); 73721e9e2be3SAdheer Chandravanshi rval = -ENOMEM; 73731e9e2be3SAdheer Chandravanshi goto exit_ddb_apply; 73741e9e2be3SAdheer Chandravanshi } 73751e9e2be3SAdheer Chandravanshi 7376c962c18bSAdheer Chandravanshi if (!strncasecmp(fnode_sess->portal_type, PORTAL_TYPE_IPV6, 4)) 73771e9e2be3SAdheer Chandravanshi options |= IPV6_DEFAULT_DDB_ENTRY; 73781e9e2be3SAdheer Chandravanshi 73791e9e2be3SAdheer Chandravanshi rval = qla4xxx_get_default_ddb(ha, options, fw_ddb_entry_dma); 73801e9e2be3SAdheer Chandravanshi if (rval == QLA_ERROR) 73811e9e2be3SAdheer Chandravanshi goto exit_ddb_apply; 73821e9e2be3SAdheer Chandravanshi 73831e9e2be3SAdheer Chandravanshi dev_db_start_offset += (fnode_sess->target_id * 73841e9e2be3SAdheer Chandravanshi sizeof(*fw_ddb_entry)); 73851e9e2be3SAdheer Chandravanshi 73861e9e2be3SAdheer Chandravanshi qla4xxx_copy_to_fwddb_param(fnode_sess, fnode_conn, fw_ddb_entry); 73871e9e2be3SAdheer Chandravanshi fw_ddb_entry->cookie = DDB_VALID_COOKIE; 73881e9e2be3SAdheer Chandravanshi 73891e9e2be3SAdheer Chandravanshi rval = qla4xxx_set_flash(ha, fw_ddb_entry_dma, dev_db_start_offset, 73901e9e2be3SAdheer Chandravanshi sizeof(*fw_ddb_entry), FLASH_OPT_RMW_COMMIT); 73911e9e2be3SAdheer Chandravanshi 73921e9e2be3SAdheer Chandravanshi if (rval == QLA_SUCCESS) { 73931e9e2be3SAdheer Chandravanshi fnode_sess->flash_state = DEV_DB_PERSISTENT; 73941e9e2be3SAdheer Chandravanshi ql4_printk(KERN_INFO, ha, 73951e9e2be3SAdheer Chandravanshi "%s: flash node %u of host %lu written to flash\n", 73961e9e2be3SAdheer Chandravanshi __func__, fnode_sess->target_id, ha->host_no); 73971e9e2be3SAdheer Chandravanshi } else { 73981e9e2be3SAdheer Chandravanshi rval = -EIO; 73991e9e2be3SAdheer Chandravanshi ql4_printk(KERN_ERR, ha, 74001e9e2be3SAdheer Chandravanshi "%s: Error while writing flash node %u of host %lu to flash\n", 74011e9e2be3SAdheer Chandravanshi __func__, fnode_sess->target_id, ha->host_no); 74021e9e2be3SAdheer Chandravanshi } 74031e9e2be3SAdheer Chandravanshi 74041e9e2be3SAdheer Chandravanshi exit_ddb_apply: 74051e9e2be3SAdheer Chandravanshi if (fw_ddb_entry) 74061e9e2be3SAdheer Chandravanshi dma_free_coherent(&ha->pdev->dev, sizeof(*fw_ddb_entry), 74071e9e2be3SAdheer Chandravanshi fw_ddb_entry, fw_ddb_entry_dma); 74081e9e2be3SAdheer Chandravanshi return rval; 74091e9e2be3SAdheer Chandravanshi } 74101e9e2be3SAdheer Chandravanshi 74111e9e2be3SAdheer Chandravanshi static ssize_t qla4xxx_sysfs_ddb_conn_open(struct scsi_qla_host *ha, 74121e9e2be3SAdheer Chandravanshi struct dev_db_entry *fw_ddb_entry, 74131e9e2be3SAdheer Chandravanshi uint16_t idx) 74141e9e2be3SAdheer Chandravanshi { 74151e9e2be3SAdheer Chandravanshi struct dev_db_entry *ddb_entry = NULL; 74161e9e2be3SAdheer Chandravanshi dma_addr_t ddb_entry_dma; 74171e9e2be3SAdheer Chandravanshi unsigned long wtime; 74181e9e2be3SAdheer Chandravanshi uint32_t mbx_sts = 0; 74191e9e2be3SAdheer Chandravanshi uint32_t state = 0, conn_err = 0; 74201e9e2be3SAdheer Chandravanshi uint16_t tmo = 0; 74211e9e2be3SAdheer Chandravanshi int ret = 0; 74221e9e2be3SAdheer Chandravanshi 74231e9e2be3SAdheer Chandravanshi ddb_entry = dma_alloc_coherent(&ha->pdev->dev, sizeof(*ddb_entry), 74241e9e2be3SAdheer Chandravanshi &ddb_entry_dma, GFP_KERNEL); 74251e9e2be3SAdheer Chandravanshi if (!ddb_entry) { 74261e9e2be3SAdheer Chandravanshi DEBUG2(ql4_printk(KERN_ERR, ha, 74271e9e2be3SAdheer Chandravanshi "%s: Unable to allocate dma buffer\n", 74281e9e2be3SAdheer Chandravanshi __func__)); 74291e9e2be3SAdheer Chandravanshi return QLA_ERROR; 74301e9e2be3SAdheer Chandravanshi } 74311e9e2be3SAdheer Chandravanshi 74321e9e2be3SAdheer Chandravanshi memcpy(ddb_entry, fw_ddb_entry, sizeof(*ddb_entry)); 74331e9e2be3SAdheer Chandravanshi 74341e9e2be3SAdheer Chandravanshi ret = qla4xxx_set_ddb_entry(ha, idx, ddb_entry_dma, &mbx_sts); 74351e9e2be3SAdheer Chandravanshi if (ret != QLA_SUCCESS) { 74361e9e2be3SAdheer Chandravanshi DEBUG2(ql4_printk(KERN_ERR, ha, 74371e9e2be3SAdheer Chandravanshi "%s: Unable to set ddb entry for index %d\n", 74381e9e2be3SAdheer Chandravanshi __func__, idx)); 74391e9e2be3SAdheer Chandravanshi goto exit_ddb_conn_open; 74401e9e2be3SAdheer Chandravanshi } 74411e9e2be3SAdheer Chandravanshi 74421e9e2be3SAdheer Chandravanshi qla4xxx_conn_open(ha, idx); 74431e9e2be3SAdheer Chandravanshi 74441e9e2be3SAdheer Chandravanshi /* To ensure that sendtargets is done, wait for at least 12 secs */ 74451e9e2be3SAdheer Chandravanshi tmo = ((ha->def_timeout > LOGIN_TOV) && 74461e9e2be3SAdheer Chandravanshi (ha->def_timeout < LOGIN_TOV * 10) ? 74471e9e2be3SAdheer Chandravanshi ha->def_timeout : LOGIN_TOV); 74481e9e2be3SAdheer Chandravanshi 74491e9e2be3SAdheer Chandravanshi DEBUG2(ql4_printk(KERN_INFO, ha, 74501e9e2be3SAdheer Chandravanshi "Default time to wait for login to ddb %d\n", tmo)); 74511e9e2be3SAdheer Chandravanshi 74521e9e2be3SAdheer Chandravanshi wtime = jiffies + (HZ * tmo); 74531e9e2be3SAdheer Chandravanshi do { 74541e9e2be3SAdheer Chandravanshi ret = qla4xxx_get_fwddb_entry(ha, idx, NULL, 0, NULL, 74551e9e2be3SAdheer Chandravanshi NULL, &state, &conn_err, NULL, 74561e9e2be3SAdheer Chandravanshi NULL); 74571e9e2be3SAdheer Chandravanshi if (ret == QLA_ERROR) 74581e9e2be3SAdheer Chandravanshi continue; 74591e9e2be3SAdheer Chandravanshi 74601e9e2be3SAdheer Chandravanshi if (state == DDB_DS_NO_CONNECTION_ACTIVE || 74611e9e2be3SAdheer Chandravanshi state == DDB_DS_SESSION_FAILED) 74621e9e2be3SAdheer Chandravanshi break; 74631e9e2be3SAdheer Chandravanshi 74641e9e2be3SAdheer Chandravanshi schedule_timeout_uninterruptible(HZ / 10); 74651e9e2be3SAdheer Chandravanshi } while (time_after(wtime, jiffies)); 74661e9e2be3SAdheer Chandravanshi 74671e9e2be3SAdheer Chandravanshi exit_ddb_conn_open: 74681e9e2be3SAdheer Chandravanshi if (ddb_entry) 74691e9e2be3SAdheer Chandravanshi dma_free_coherent(&ha->pdev->dev, sizeof(*ddb_entry), 74701e9e2be3SAdheer Chandravanshi ddb_entry, ddb_entry_dma); 74711e9e2be3SAdheer Chandravanshi return ret; 74721e9e2be3SAdheer Chandravanshi } 74731e9e2be3SAdheer Chandravanshi 74741e9e2be3SAdheer Chandravanshi static int qla4xxx_ddb_login_st(struct scsi_qla_host *ha, 7475ad8bd45eSManish Rangankar struct dev_db_entry *fw_ddb_entry, 7476ad8bd45eSManish Rangankar uint16_t target_id) 74771e9e2be3SAdheer Chandravanshi { 74781e9e2be3SAdheer Chandravanshi struct qla_ddb_index *ddb_idx, *ddb_idx_tmp; 74791e9e2be3SAdheer Chandravanshi struct list_head list_nt; 74801e9e2be3SAdheer Chandravanshi uint16_t ddb_index; 74811e9e2be3SAdheer Chandravanshi int ret = 0; 74821e9e2be3SAdheer Chandravanshi 74831e9e2be3SAdheer Chandravanshi if (test_bit(AF_ST_DISCOVERY_IN_PROGRESS, &ha->flags)) { 74841e9e2be3SAdheer Chandravanshi ql4_printk(KERN_WARNING, ha, 74851e9e2be3SAdheer Chandravanshi "%s: A discovery already in progress!\n", __func__); 74861e9e2be3SAdheer Chandravanshi return QLA_ERROR; 74871e9e2be3SAdheer Chandravanshi } 74881e9e2be3SAdheer Chandravanshi 74891e9e2be3SAdheer Chandravanshi INIT_LIST_HEAD(&list_nt); 74901e9e2be3SAdheer Chandravanshi 74911e9e2be3SAdheer Chandravanshi set_bit(AF_ST_DISCOVERY_IN_PROGRESS, &ha->flags); 74921e9e2be3SAdheer Chandravanshi 74931e9e2be3SAdheer Chandravanshi ret = qla4xxx_get_ddb_index(ha, &ddb_index); 74941e9e2be3SAdheer Chandravanshi if (ret == QLA_ERROR) 74951e9e2be3SAdheer Chandravanshi goto exit_login_st_clr_bit; 74961e9e2be3SAdheer Chandravanshi 74971e9e2be3SAdheer Chandravanshi ret = qla4xxx_sysfs_ddb_conn_open(ha, fw_ddb_entry, ddb_index); 74981e9e2be3SAdheer Chandravanshi if (ret == QLA_ERROR) 74991e9e2be3SAdheer Chandravanshi goto exit_login_st; 75001e9e2be3SAdheer Chandravanshi 7501ad8bd45eSManish Rangankar qla4xxx_build_new_nt_list(ha, &list_nt, target_id); 75021e9e2be3SAdheer Chandravanshi 75031e9e2be3SAdheer Chandravanshi list_for_each_entry_safe(ddb_idx, ddb_idx_tmp, &list_nt, list) { 75041e9e2be3SAdheer Chandravanshi list_del_init(&ddb_idx->list); 75051e9e2be3SAdheer Chandravanshi qla4xxx_clear_ddb_entry(ha, ddb_idx->fw_ddb_idx); 75061e9e2be3SAdheer Chandravanshi vfree(ddb_idx); 75071e9e2be3SAdheer Chandravanshi } 75081e9e2be3SAdheer Chandravanshi 75091e9e2be3SAdheer Chandravanshi exit_login_st: 75101e9e2be3SAdheer Chandravanshi if (qla4xxx_clear_ddb_entry(ha, ddb_index) == QLA_ERROR) { 75111e9e2be3SAdheer Chandravanshi ql4_printk(KERN_ERR, ha, 75121e9e2be3SAdheer Chandravanshi "Unable to clear DDB index = 0x%x\n", ddb_index); 75131e9e2be3SAdheer Chandravanshi } 75141e9e2be3SAdheer Chandravanshi 75151e9e2be3SAdheer Chandravanshi clear_bit(ddb_index, ha->ddb_idx_map); 75161e9e2be3SAdheer Chandravanshi 75171e9e2be3SAdheer Chandravanshi exit_login_st_clr_bit: 75181e9e2be3SAdheer Chandravanshi clear_bit(AF_ST_DISCOVERY_IN_PROGRESS, &ha->flags); 75191e9e2be3SAdheer Chandravanshi return ret; 75201e9e2be3SAdheer Chandravanshi } 75211e9e2be3SAdheer Chandravanshi 75221e9e2be3SAdheer Chandravanshi static int qla4xxx_ddb_login_nt(struct scsi_qla_host *ha, 75231e9e2be3SAdheer Chandravanshi struct dev_db_entry *fw_ddb_entry, 75241e9e2be3SAdheer Chandravanshi uint16_t idx) 75251e9e2be3SAdheer Chandravanshi { 75261e9e2be3SAdheer Chandravanshi int ret = QLA_ERROR; 75271e9e2be3SAdheer Chandravanshi 7528ad8bd45eSManish Rangankar ret = qla4xxx_is_session_exists(ha, fw_ddb_entry, NULL); 75291e9e2be3SAdheer Chandravanshi if (ret != QLA_SUCCESS) 75301e9e2be3SAdheer Chandravanshi ret = qla4xxx_sess_conn_setup(ha, fw_ddb_entry, RESET_ADAPTER, 75311e9e2be3SAdheer Chandravanshi idx); 75321e9e2be3SAdheer Chandravanshi else 75331e9e2be3SAdheer Chandravanshi ret = -EPERM; 75341e9e2be3SAdheer Chandravanshi 75351e9e2be3SAdheer Chandravanshi return ret; 75361e9e2be3SAdheer Chandravanshi } 75371e9e2be3SAdheer Chandravanshi 75381e9e2be3SAdheer Chandravanshi /** 75391e9e2be3SAdheer Chandravanshi * qla4xxx_sysfs_ddb_login - Login to the specified target 75401e9e2be3SAdheer Chandravanshi * @fnode_sess: pointer to session attrs of flash ddb entry 75411e9e2be3SAdheer Chandravanshi * @fnode_conn: pointer to connection attrs of flash ddb entry 75421e9e2be3SAdheer Chandravanshi * 75431e9e2be3SAdheer Chandravanshi * This logs in to the specified target 75441e9e2be3SAdheer Chandravanshi **/ 75451e9e2be3SAdheer Chandravanshi static int qla4xxx_sysfs_ddb_login(struct iscsi_bus_flash_session *fnode_sess, 75461e9e2be3SAdheer Chandravanshi struct iscsi_bus_flash_conn *fnode_conn) 75471e9e2be3SAdheer Chandravanshi { 75481e9e2be3SAdheer Chandravanshi struct Scsi_Host *shost = iscsi_flash_session_to_shost(fnode_sess); 75491e9e2be3SAdheer Chandravanshi struct scsi_qla_host *ha = to_qla_host(shost); 75501e9e2be3SAdheer Chandravanshi struct dev_db_entry *fw_ddb_entry = NULL; 75511e9e2be3SAdheer Chandravanshi dma_addr_t fw_ddb_entry_dma; 75521e9e2be3SAdheer Chandravanshi uint32_t options = 0; 75531e9e2be3SAdheer Chandravanshi int ret = 0; 75541e9e2be3SAdheer Chandravanshi 75551e9e2be3SAdheer Chandravanshi if (fnode_sess->flash_state == DEV_DB_NON_PERSISTENT) { 75561e9e2be3SAdheer Chandravanshi ql4_printk(KERN_ERR, ha, 75571e9e2be3SAdheer Chandravanshi "%s: Target info is not persistent\n", __func__); 75581e9e2be3SAdheer Chandravanshi ret = -EIO; 75591e9e2be3SAdheer Chandravanshi goto exit_ddb_login; 75601e9e2be3SAdheer Chandravanshi } 75611e9e2be3SAdheer Chandravanshi 75621e9e2be3SAdheer Chandravanshi fw_ddb_entry = dma_alloc_coherent(&ha->pdev->dev, sizeof(*fw_ddb_entry), 75631e9e2be3SAdheer Chandravanshi &fw_ddb_entry_dma, GFP_KERNEL); 75641e9e2be3SAdheer Chandravanshi if (!fw_ddb_entry) { 75651e9e2be3SAdheer Chandravanshi DEBUG2(ql4_printk(KERN_ERR, ha, 75661e9e2be3SAdheer Chandravanshi "%s: Unable to allocate dma buffer\n", 75671e9e2be3SAdheer Chandravanshi __func__)); 75681e9e2be3SAdheer Chandravanshi ret = -ENOMEM; 75691e9e2be3SAdheer Chandravanshi goto exit_ddb_login; 75701e9e2be3SAdheer Chandravanshi } 75711e9e2be3SAdheer Chandravanshi 7572c962c18bSAdheer Chandravanshi if (!strncasecmp(fnode_sess->portal_type, PORTAL_TYPE_IPV6, 4)) 75731e9e2be3SAdheer Chandravanshi options |= IPV6_DEFAULT_DDB_ENTRY; 75741e9e2be3SAdheer Chandravanshi 75751e9e2be3SAdheer Chandravanshi ret = qla4xxx_get_default_ddb(ha, options, fw_ddb_entry_dma); 75761e9e2be3SAdheer Chandravanshi if (ret == QLA_ERROR) 75771e9e2be3SAdheer Chandravanshi goto exit_ddb_login; 75781e9e2be3SAdheer Chandravanshi 75791e9e2be3SAdheer Chandravanshi qla4xxx_copy_to_fwddb_param(fnode_sess, fnode_conn, fw_ddb_entry); 75801e9e2be3SAdheer Chandravanshi fw_ddb_entry->cookie = DDB_VALID_COOKIE; 75811e9e2be3SAdheer Chandravanshi 75821e9e2be3SAdheer Chandravanshi if (strlen((char *)fw_ddb_entry->iscsi_name) == 0) 7583ad8bd45eSManish Rangankar ret = qla4xxx_ddb_login_st(ha, fw_ddb_entry, 7584ad8bd45eSManish Rangankar fnode_sess->target_id); 75851e9e2be3SAdheer Chandravanshi else 75861e9e2be3SAdheer Chandravanshi ret = qla4xxx_ddb_login_nt(ha, fw_ddb_entry, 75871e9e2be3SAdheer Chandravanshi fnode_sess->target_id); 75881e9e2be3SAdheer Chandravanshi 75891e9e2be3SAdheer Chandravanshi if (ret > 0) 75901e9e2be3SAdheer Chandravanshi ret = -EIO; 75911e9e2be3SAdheer Chandravanshi 75921e9e2be3SAdheer Chandravanshi exit_ddb_login: 75931e9e2be3SAdheer Chandravanshi if (fw_ddb_entry) 75941e9e2be3SAdheer Chandravanshi dma_free_coherent(&ha->pdev->dev, sizeof(*fw_ddb_entry), 75951e9e2be3SAdheer Chandravanshi fw_ddb_entry, fw_ddb_entry_dma); 75961e9e2be3SAdheer Chandravanshi return ret; 75971e9e2be3SAdheer Chandravanshi } 75981e9e2be3SAdheer Chandravanshi 75991e9e2be3SAdheer Chandravanshi /** 76001e9e2be3SAdheer Chandravanshi * qla4xxx_sysfs_ddb_logout_sid - Logout session for the specified target 76011e9e2be3SAdheer Chandravanshi * @cls_sess: pointer to session to be logged out 76021e9e2be3SAdheer Chandravanshi * 76031e9e2be3SAdheer Chandravanshi * This performs session log out from the specified target 76041e9e2be3SAdheer Chandravanshi **/ 76051e9e2be3SAdheer Chandravanshi static int qla4xxx_sysfs_ddb_logout_sid(struct iscsi_cls_session *cls_sess) 76061e9e2be3SAdheer Chandravanshi { 76071e9e2be3SAdheer Chandravanshi struct iscsi_session *sess; 76081e9e2be3SAdheer Chandravanshi struct ddb_entry *ddb_entry = NULL; 76091e9e2be3SAdheer Chandravanshi struct scsi_qla_host *ha; 76101e9e2be3SAdheer Chandravanshi struct dev_db_entry *fw_ddb_entry = NULL; 76111e9e2be3SAdheer Chandravanshi dma_addr_t fw_ddb_entry_dma; 76121e9e2be3SAdheer Chandravanshi unsigned long flags; 76131e9e2be3SAdheer Chandravanshi unsigned long wtime; 76141e9e2be3SAdheer Chandravanshi uint32_t ddb_state; 76151e9e2be3SAdheer Chandravanshi int options; 76161e9e2be3SAdheer Chandravanshi int ret = 0; 76171e9e2be3SAdheer Chandravanshi 76181e9e2be3SAdheer Chandravanshi sess = cls_sess->dd_data; 76191e9e2be3SAdheer Chandravanshi ddb_entry = sess->dd_data; 76201e9e2be3SAdheer Chandravanshi ha = ddb_entry->ha; 76211e9e2be3SAdheer Chandravanshi 76221e9e2be3SAdheer Chandravanshi if (ddb_entry->ddb_type != FLASH_DDB) { 76231e9e2be3SAdheer Chandravanshi ql4_printk(KERN_ERR, ha, "%s: Not a flash node session\n", 76241e9e2be3SAdheer Chandravanshi __func__); 76251e9e2be3SAdheer Chandravanshi ret = -ENXIO; 76261e9e2be3SAdheer Chandravanshi goto exit_ddb_logout; 76271e9e2be3SAdheer Chandravanshi } 76281e9e2be3SAdheer Chandravanshi 762937719c2aSAdheer Chandravanshi if (test_bit(DF_BOOT_TGT, &ddb_entry->flags)) { 763037719c2aSAdheer Chandravanshi ql4_printk(KERN_ERR, ha, 763137719c2aSAdheer Chandravanshi "%s: Logout from boot target entry is not permitted.\n", 763237719c2aSAdheer Chandravanshi __func__); 763337719c2aSAdheer Chandravanshi ret = -EPERM; 763437719c2aSAdheer Chandravanshi goto exit_ddb_logout; 763537719c2aSAdheer Chandravanshi } 763637719c2aSAdheer Chandravanshi 76371e9e2be3SAdheer Chandravanshi fw_ddb_entry = dma_alloc_coherent(&ha->pdev->dev, sizeof(*fw_ddb_entry), 76381e9e2be3SAdheer Chandravanshi &fw_ddb_entry_dma, GFP_KERNEL); 76391e9e2be3SAdheer Chandravanshi if (!fw_ddb_entry) { 76401e9e2be3SAdheer Chandravanshi ql4_printk(KERN_ERR, ha, 76411e9e2be3SAdheer Chandravanshi "%s: Unable to allocate dma buffer\n", __func__); 76421e9e2be3SAdheer Chandravanshi ret = -ENOMEM; 76431e9e2be3SAdheer Chandravanshi goto exit_ddb_logout; 76441e9e2be3SAdheer Chandravanshi } 76451e9e2be3SAdheer Chandravanshi 764699c6a33bSAdheer Chandravanshi if (test_and_set_bit(DF_DISABLE_RELOGIN, &ddb_entry->flags)) 764799c6a33bSAdheer Chandravanshi goto ddb_logout_init; 764899c6a33bSAdheer Chandravanshi 764999c6a33bSAdheer Chandravanshi ret = qla4xxx_get_fwddb_entry(ha, ddb_entry->fw_ddb_index, 765099c6a33bSAdheer Chandravanshi fw_ddb_entry, fw_ddb_entry_dma, 765199c6a33bSAdheer Chandravanshi NULL, NULL, &ddb_state, NULL, 765299c6a33bSAdheer Chandravanshi NULL, NULL); 765399c6a33bSAdheer Chandravanshi if (ret == QLA_ERROR) 765499c6a33bSAdheer Chandravanshi goto ddb_logout_init; 765599c6a33bSAdheer Chandravanshi 765699c6a33bSAdheer Chandravanshi if (ddb_state == DDB_DS_SESSION_ACTIVE) 765799c6a33bSAdheer Chandravanshi goto ddb_logout_init; 765899c6a33bSAdheer Chandravanshi 765999c6a33bSAdheer Chandravanshi /* wait until next relogin is triggered using DF_RELOGIN and 766099c6a33bSAdheer Chandravanshi * clear DF_RELOGIN to avoid invocation of further relogin 766199c6a33bSAdheer Chandravanshi */ 766299c6a33bSAdheer Chandravanshi wtime = jiffies + (HZ * RELOGIN_TOV); 766399c6a33bSAdheer Chandravanshi do { 766499c6a33bSAdheer Chandravanshi if (test_and_clear_bit(DF_RELOGIN, &ddb_entry->flags)) 766599c6a33bSAdheer Chandravanshi goto ddb_logout_init; 766699c6a33bSAdheer Chandravanshi 766799c6a33bSAdheer Chandravanshi schedule_timeout_uninterruptible(HZ); 766899c6a33bSAdheer Chandravanshi } while ((time_after(wtime, jiffies))); 766999c6a33bSAdheer Chandravanshi 767099c6a33bSAdheer Chandravanshi ddb_logout_init: 767199c6a33bSAdheer Chandravanshi atomic_set(&ddb_entry->retry_relogin_timer, INVALID_ENTRY); 767299c6a33bSAdheer Chandravanshi atomic_set(&ddb_entry->relogin_timer, 0); 767399c6a33bSAdheer Chandravanshi 767499c6a33bSAdheer Chandravanshi options = LOGOUT_OPTION_CLOSE_SESSION; 767599c6a33bSAdheer Chandravanshi qla4xxx_session_logout_ddb(ha, ddb_entry, options); 767699c6a33bSAdheer Chandravanshi 767799c6a33bSAdheer Chandravanshi memset(fw_ddb_entry, 0, sizeof(*fw_ddb_entry)); 76781e9e2be3SAdheer Chandravanshi wtime = jiffies + (HZ * LOGOUT_TOV); 76791e9e2be3SAdheer Chandravanshi do { 76801e9e2be3SAdheer Chandravanshi ret = qla4xxx_get_fwddb_entry(ha, ddb_entry->fw_ddb_index, 76811e9e2be3SAdheer Chandravanshi fw_ddb_entry, fw_ddb_entry_dma, 76821e9e2be3SAdheer Chandravanshi NULL, NULL, &ddb_state, NULL, 76831e9e2be3SAdheer Chandravanshi NULL, NULL); 76841e9e2be3SAdheer Chandravanshi if (ret == QLA_ERROR) 76851e9e2be3SAdheer Chandravanshi goto ddb_logout_clr_sess; 76861e9e2be3SAdheer Chandravanshi 76871e9e2be3SAdheer Chandravanshi if ((ddb_state == DDB_DS_NO_CONNECTION_ACTIVE) || 76881e9e2be3SAdheer Chandravanshi (ddb_state == DDB_DS_SESSION_FAILED)) 76891e9e2be3SAdheer Chandravanshi goto ddb_logout_clr_sess; 76901e9e2be3SAdheer Chandravanshi 76911e9e2be3SAdheer Chandravanshi schedule_timeout_uninterruptible(HZ); 76921e9e2be3SAdheer Chandravanshi } while ((time_after(wtime, jiffies))); 76931e9e2be3SAdheer Chandravanshi 76941e9e2be3SAdheer Chandravanshi ddb_logout_clr_sess: 76951e9e2be3SAdheer Chandravanshi qla4xxx_clear_ddb_entry(ha, ddb_entry->fw_ddb_index); 76961e9e2be3SAdheer Chandravanshi /* 76971e9e2be3SAdheer Chandravanshi * we have decremented the reference count of the driver 76981e9e2be3SAdheer Chandravanshi * when we setup the session to have the driver unload 76991e9e2be3SAdheer Chandravanshi * to be seamless without actually destroying the 77001e9e2be3SAdheer Chandravanshi * session 77011e9e2be3SAdheer Chandravanshi **/ 77021e9e2be3SAdheer Chandravanshi try_module_get(qla4xxx_iscsi_transport.owner); 77031e9e2be3SAdheer Chandravanshi iscsi_destroy_endpoint(ddb_entry->conn->ep); 77041e9e2be3SAdheer Chandravanshi 77051e9e2be3SAdheer Chandravanshi spin_lock_irqsave(&ha->hardware_lock, flags); 77061e9e2be3SAdheer Chandravanshi qla4xxx_free_ddb(ha, ddb_entry); 770799c6a33bSAdheer Chandravanshi clear_bit(ddb_entry->fw_ddb_index, ha->ddb_idx_map); 77081e9e2be3SAdheer Chandravanshi spin_unlock_irqrestore(&ha->hardware_lock, flags); 77091e9e2be3SAdheer Chandravanshi 77101e9e2be3SAdheer Chandravanshi iscsi_session_teardown(ddb_entry->sess); 77111e9e2be3SAdheer Chandravanshi 771299c6a33bSAdheer Chandravanshi clear_bit(DF_DISABLE_RELOGIN, &ddb_entry->flags); 77131e9e2be3SAdheer Chandravanshi ret = QLA_SUCCESS; 77141e9e2be3SAdheer Chandravanshi 77151e9e2be3SAdheer Chandravanshi exit_ddb_logout: 77161e9e2be3SAdheer Chandravanshi if (fw_ddb_entry) 77171e9e2be3SAdheer Chandravanshi dma_free_coherent(&ha->pdev->dev, sizeof(*fw_ddb_entry), 77181e9e2be3SAdheer Chandravanshi fw_ddb_entry, fw_ddb_entry_dma); 77191e9e2be3SAdheer Chandravanshi return ret; 77201e9e2be3SAdheer Chandravanshi } 77211e9e2be3SAdheer Chandravanshi 77221e9e2be3SAdheer Chandravanshi /** 77231e9e2be3SAdheer Chandravanshi * qla4xxx_sysfs_ddb_logout - Logout from the specified target 77241e9e2be3SAdheer Chandravanshi * @fnode_sess: pointer to session attrs of flash ddb entry 77251e9e2be3SAdheer Chandravanshi * @fnode_conn: pointer to connection attrs of flash ddb entry 77261e9e2be3SAdheer Chandravanshi * 77271e9e2be3SAdheer Chandravanshi * This performs log out from the specified target 77281e9e2be3SAdheer Chandravanshi **/ 77291e9e2be3SAdheer Chandravanshi static int qla4xxx_sysfs_ddb_logout(struct iscsi_bus_flash_session *fnode_sess, 77301e9e2be3SAdheer Chandravanshi struct iscsi_bus_flash_conn *fnode_conn) 77311e9e2be3SAdheer Chandravanshi { 77321e9e2be3SAdheer Chandravanshi struct Scsi_Host *shost = iscsi_flash_session_to_shost(fnode_sess); 77331e9e2be3SAdheer Chandravanshi struct scsi_qla_host *ha = to_qla_host(shost); 77341e9e2be3SAdheer Chandravanshi struct ql4_tuple_ddb *flash_tddb = NULL; 77351e9e2be3SAdheer Chandravanshi struct ql4_tuple_ddb *tmp_tddb = NULL; 77361e9e2be3SAdheer Chandravanshi struct dev_db_entry *fw_ddb_entry = NULL; 77371e9e2be3SAdheer Chandravanshi struct ddb_entry *ddb_entry = NULL; 77381e9e2be3SAdheer Chandravanshi dma_addr_t fw_ddb_dma; 77391e9e2be3SAdheer Chandravanshi uint32_t next_idx = 0; 77401e9e2be3SAdheer Chandravanshi uint32_t state = 0, conn_err = 0; 77411e9e2be3SAdheer Chandravanshi uint16_t conn_id = 0; 77421e9e2be3SAdheer Chandravanshi int idx, index; 77431e9e2be3SAdheer Chandravanshi int status, ret = 0; 77441e9e2be3SAdheer Chandravanshi 77451e9e2be3SAdheer Chandravanshi fw_ddb_entry = dma_pool_alloc(ha->fw_ddb_dma_pool, GFP_KERNEL, 77461e9e2be3SAdheer Chandravanshi &fw_ddb_dma); 77471e9e2be3SAdheer Chandravanshi if (fw_ddb_entry == NULL) { 77481e9e2be3SAdheer Chandravanshi ql4_printk(KERN_ERR, ha, "%s:Out of memory\n", __func__); 77491e9e2be3SAdheer Chandravanshi ret = -ENOMEM; 77501e9e2be3SAdheer Chandravanshi goto exit_ddb_logout; 77511e9e2be3SAdheer Chandravanshi } 77521e9e2be3SAdheer Chandravanshi 77531e9e2be3SAdheer Chandravanshi flash_tddb = vzalloc(sizeof(*flash_tddb)); 77541e9e2be3SAdheer Chandravanshi if (!flash_tddb) { 77551e9e2be3SAdheer Chandravanshi ql4_printk(KERN_WARNING, ha, 77561e9e2be3SAdheer Chandravanshi "%s:Memory Allocation failed.\n", __func__); 77571e9e2be3SAdheer Chandravanshi ret = -ENOMEM; 77581e9e2be3SAdheer Chandravanshi goto exit_ddb_logout; 77591e9e2be3SAdheer Chandravanshi } 77601e9e2be3SAdheer Chandravanshi 77611e9e2be3SAdheer Chandravanshi tmp_tddb = vzalloc(sizeof(*tmp_tddb)); 77621e9e2be3SAdheer Chandravanshi if (!tmp_tddb) { 77631e9e2be3SAdheer Chandravanshi ql4_printk(KERN_WARNING, ha, 77641e9e2be3SAdheer Chandravanshi "%s:Memory Allocation failed.\n", __func__); 77651e9e2be3SAdheer Chandravanshi ret = -ENOMEM; 77661e9e2be3SAdheer Chandravanshi goto exit_ddb_logout; 77671e9e2be3SAdheer Chandravanshi } 77681e9e2be3SAdheer Chandravanshi 77691e9e2be3SAdheer Chandravanshi if (!fnode_sess->targetname) { 77701e9e2be3SAdheer Chandravanshi ql4_printk(KERN_ERR, ha, 77711e9e2be3SAdheer Chandravanshi "%s:Cannot logout from SendTarget entry\n", 77721e9e2be3SAdheer Chandravanshi __func__); 77731e9e2be3SAdheer Chandravanshi ret = -EPERM; 77741e9e2be3SAdheer Chandravanshi goto exit_ddb_logout; 77751e9e2be3SAdheer Chandravanshi } 77761e9e2be3SAdheer Chandravanshi 77771e9e2be3SAdheer Chandravanshi if (fnode_sess->is_boot_target) { 77781e9e2be3SAdheer Chandravanshi ql4_printk(KERN_ERR, ha, 77791e9e2be3SAdheer Chandravanshi "%s: Logout from boot target entry is not permitted.\n", 77801e9e2be3SAdheer Chandravanshi __func__); 77811e9e2be3SAdheer Chandravanshi ret = -EPERM; 77821e9e2be3SAdheer Chandravanshi goto exit_ddb_logout; 77831e9e2be3SAdheer Chandravanshi } 77841e9e2be3SAdheer Chandravanshi 7785bdbb9662SRickard Strandqvist strlcpy(flash_tddb->iscsi_name, fnode_sess->targetname, 77861e9e2be3SAdheer Chandravanshi ISCSI_NAME_SIZE); 77871e9e2be3SAdheer Chandravanshi 7788c962c18bSAdheer Chandravanshi if (!strncmp(fnode_sess->portal_type, PORTAL_TYPE_IPV6, 4)) 77891e9e2be3SAdheer Chandravanshi sprintf(flash_tddb->ip_addr, "%pI6", fnode_conn->ipaddress); 77901e9e2be3SAdheer Chandravanshi else 77911e9e2be3SAdheer Chandravanshi sprintf(flash_tddb->ip_addr, "%pI4", fnode_conn->ipaddress); 77921e9e2be3SAdheer Chandravanshi 77931e9e2be3SAdheer Chandravanshi flash_tddb->tpgt = fnode_sess->tpgt; 77941e9e2be3SAdheer Chandravanshi flash_tddb->port = fnode_conn->port; 77951e9e2be3SAdheer Chandravanshi 77961e9e2be3SAdheer Chandravanshi COPY_ISID(flash_tddb->isid, fnode_sess->isid); 77971e9e2be3SAdheer Chandravanshi 77981e9e2be3SAdheer Chandravanshi for (idx = 0; idx < MAX_DDB_ENTRIES; idx++) { 77991e9e2be3SAdheer Chandravanshi ddb_entry = qla4xxx_lookup_ddb_by_fw_index(ha, idx); 78001e9e2be3SAdheer Chandravanshi if (ddb_entry == NULL) 78011e9e2be3SAdheer Chandravanshi continue; 78021e9e2be3SAdheer Chandravanshi 78031e9e2be3SAdheer Chandravanshi if (ddb_entry->ddb_type != FLASH_DDB) 78041e9e2be3SAdheer Chandravanshi continue; 78051e9e2be3SAdheer Chandravanshi 78061e9e2be3SAdheer Chandravanshi index = ddb_entry->sess->target_id; 78071e9e2be3SAdheer Chandravanshi status = qla4xxx_get_fwddb_entry(ha, index, fw_ddb_entry, 78081e9e2be3SAdheer Chandravanshi fw_ddb_dma, NULL, &next_idx, 78091e9e2be3SAdheer Chandravanshi &state, &conn_err, NULL, 78101e9e2be3SAdheer Chandravanshi &conn_id); 78111e9e2be3SAdheer Chandravanshi if (status == QLA_ERROR) { 78121e9e2be3SAdheer Chandravanshi ret = -ENOMEM; 78131e9e2be3SAdheer Chandravanshi break; 78141e9e2be3SAdheer Chandravanshi } 78151e9e2be3SAdheer Chandravanshi 78161e9e2be3SAdheer Chandravanshi qla4xxx_convert_param_ddb(fw_ddb_entry, tmp_tddb, NULL); 78171e9e2be3SAdheer Chandravanshi 78181e9e2be3SAdheer Chandravanshi status = qla4xxx_compare_tuple_ddb(ha, flash_tddb, tmp_tddb, 78191e9e2be3SAdheer Chandravanshi true); 78201e9e2be3SAdheer Chandravanshi if (status == QLA_SUCCESS) { 78211e9e2be3SAdheer Chandravanshi ret = qla4xxx_sysfs_ddb_logout_sid(ddb_entry->sess); 78221e9e2be3SAdheer Chandravanshi break; 78231e9e2be3SAdheer Chandravanshi } 78241e9e2be3SAdheer Chandravanshi } 78251e9e2be3SAdheer Chandravanshi 78261e9e2be3SAdheer Chandravanshi if (idx == MAX_DDB_ENTRIES) 78271e9e2be3SAdheer Chandravanshi ret = -ESRCH; 78281e9e2be3SAdheer Chandravanshi 78291e9e2be3SAdheer Chandravanshi exit_ddb_logout: 78301e9e2be3SAdheer Chandravanshi vfree(flash_tddb); 78311e9e2be3SAdheer Chandravanshi vfree(tmp_tddb); 78321e9e2be3SAdheer Chandravanshi if (fw_ddb_entry) 78331e9e2be3SAdheer Chandravanshi dma_pool_free(ha->fw_ddb_dma_pool, fw_ddb_entry, fw_ddb_dma); 78341e9e2be3SAdheer Chandravanshi 78351e9e2be3SAdheer Chandravanshi return ret; 78361e9e2be3SAdheer Chandravanshi } 78371e9e2be3SAdheer Chandravanshi 78381e9e2be3SAdheer Chandravanshi static int 78391e9e2be3SAdheer Chandravanshi qla4xxx_sysfs_ddb_get_param(struct iscsi_bus_flash_session *fnode_sess, 78401e9e2be3SAdheer Chandravanshi int param, char *buf) 78411e9e2be3SAdheer Chandravanshi { 78421e9e2be3SAdheer Chandravanshi struct Scsi_Host *shost = iscsi_flash_session_to_shost(fnode_sess); 78431e9e2be3SAdheer Chandravanshi struct scsi_qla_host *ha = to_qla_host(shost); 78441e9e2be3SAdheer Chandravanshi struct iscsi_bus_flash_conn *fnode_conn; 78451e9e2be3SAdheer Chandravanshi struct ql4_chap_table chap_tbl; 78461e9e2be3SAdheer Chandravanshi struct device *dev; 7847a2f76636SAdheer Chandravanshi int parent_type; 78481e9e2be3SAdheer Chandravanshi int rc = 0; 78491e9e2be3SAdheer Chandravanshi 78508526cb11SMike Christie dev = iscsi_find_flashnode_conn(fnode_sess); 78511e9e2be3SAdheer Chandravanshi if (!dev) 78521e9e2be3SAdheer Chandravanshi return -EIO; 78531e9e2be3SAdheer Chandravanshi 78541e9e2be3SAdheer Chandravanshi fnode_conn = iscsi_dev_to_flash_conn(dev); 78551e9e2be3SAdheer Chandravanshi 78561e9e2be3SAdheer Chandravanshi switch (param) { 78571e9e2be3SAdheer Chandravanshi case ISCSI_FLASHNODE_IS_FW_ASSIGNED_IPV6: 78581e9e2be3SAdheer Chandravanshi rc = sprintf(buf, "%u\n", fnode_conn->is_fw_assigned_ipv6); 78591e9e2be3SAdheer Chandravanshi break; 78601e9e2be3SAdheer Chandravanshi case ISCSI_FLASHNODE_PORTAL_TYPE: 78611e9e2be3SAdheer Chandravanshi rc = sprintf(buf, "%s\n", fnode_sess->portal_type); 78621e9e2be3SAdheer Chandravanshi break; 78631e9e2be3SAdheer Chandravanshi case ISCSI_FLASHNODE_AUTO_SND_TGT_DISABLE: 78641e9e2be3SAdheer Chandravanshi rc = sprintf(buf, "%u\n", fnode_sess->auto_snd_tgt_disable); 78651e9e2be3SAdheer Chandravanshi break; 78661e9e2be3SAdheer Chandravanshi case ISCSI_FLASHNODE_DISCOVERY_SESS: 78671e9e2be3SAdheer Chandravanshi rc = sprintf(buf, "%u\n", fnode_sess->discovery_sess); 78681e9e2be3SAdheer Chandravanshi break; 78691e9e2be3SAdheer Chandravanshi case ISCSI_FLASHNODE_ENTRY_EN: 78701e9e2be3SAdheer Chandravanshi rc = sprintf(buf, "%u\n", fnode_sess->entry_state); 78711e9e2be3SAdheer Chandravanshi break; 78721e9e2be3SAdheer Chandravanshi case ISCSI_FLASHNODE_HDR_DGST_EN: 78731e9e2be3SAdheer Chandravanshi rc = sprintf(buf, "%u\n", fnode_conn->hdrdgst_en); 78741e9e2be3SAdheer Chandravanshi break; 78751e9e2be3SAdheer Chandravanshi case ISCSI_FLASHNODE_DATA_DGST_EN: 78761e9e2be3SAdheer Chandravanshi rc = sprintf(buf, "%u\n", fnode_conn->datadgst_en); 78771e9e2be3SAdheer Chandravanshi break; 78781e9e2be3SAdheer Chandravanshi case ISCSI_FLASHNODE_IMM_DATA_EN: 78791e9e2be3SAdheer Chandravanshi rc = sprintf(buf, "%u\n", fnode_sess->imm_data_en); 78801e9e2be3SAdheer Chandravanshi break; 78811e9e2be3SAdheer Chandravanshi case ISCSI_FLASHNODE_INITIAL_R2T_EN: 78821e9e2be3SAdheer Chandravanshi rc = sprintf(buf, "%u\n", fnode_sess->initial_r2t_en); 78831e9e2be3SAdheer Chandravanshi break; 78841e9e2be3SAdheer Chandravanshi case ISCSI_FLASHNODE_DATASEQ_INORDER: 78851e9e2be3SAdheer Chandravanshi rc = sprintf(buf, "%u\n", fnode_sess->dataseq_inorder_en); 78861e9e2be3SAdheer Chandravanshi break; 78871e9e2be3SAdheer Chandravanshi case ISCSI_FLASHNODE_PDU_INORDER: 78881e9e2be3SAdheer Chandravanshi rc = sprintf(buf, "%u\n", fnode_sess->pdu_inorder_en); 78891e9e2be3SAdheer Chandravanshi break; 78901e9e2be3SAdheer Chandravanshi case ISCSI_FLASHNODE_CHAP_AUTH_EN: 78911e9e2be3SAdheer Chandravanshi rc = sprintf(buf, "%u\n", fnode_sess->chap_auth_en); 78921e9e2be3SAdheer Chandravanshi break; 78931e9e2be3SAdheer Chandravanshi case ISCSI_FLASHNODE_SNACK_REQ_EN: 78941e9e2be3SAdheer Chandravanshi rc = sprintf(buf, "%u\n", fnode_conn->snack_req_en); 78951e9e2be3SAdheer Chandravanshi break; 78961e9e2be3SAdheer Chandravanshi case ISCSI_FLASHNODE_DISCOVERY_LOGOUT_EN: 78971e9e2be3SAdheer Chandravanshi rc = sprintf(buf, "%u\n", fnode_sess->discovery_logout_en); 78981e9e2be3SAdheer Chandravanshi break; 78991e9e2be3SAdheer Chandravanshi case ISCSI_FLASHNODE_BIDI_CHAP_EN: 79001e9e2be3SAdheer Chandravanshi rc = sprintf(buf, "%u\n", fnode_sess->bidi_chap_en); 79011e9e2be3SAdheer Chandravanshi break; 79021e9e2be3SAdheer Chandravanshi case ISCSI_FLASHNODE_DISCOVERY_AUTH_OPTIONAL: 79031e9e2be3SAdheer Chandravanshi rc = sprintf(buf, "%u\n", fnode_sess->discovery_auth_optional); 79041e9e2be3SAdheer Chandravanshi break; 79051e9e2be3SAdheer Chandravanshi case ISCSI_FLASHNODE_ERL: 79061e9e2be3SAdheer Chandravanshi rc = sprintf(buf, "%u\n", fnode_sess->erl); 79071e9e2be3SAdheer Chandravanshi break; 79081e9e2be3SAdheer Chandravanshi case ISCSI_FLASHNODE_TCP_TIMESTAMP_STAT: 79091e9e2be3SAdheer Chandravanshi rc = sprintf(buf, "%u\n", fnode_conn->tcp_timestamp_stat); 79101e9e2be3SAdheer Chandravanshi break; 79111e9e2be3SAdheer Chandravanshi case ISCSI_FLASHNODE_TCP_NAGLE_DISABLE: 79121e9e2be3SAdheer Chandravanshi rc = sprintf(buf, "%u\n", fnode_conn->tcp_nagle_disable); 79131e9e2be3SAdheer Chandravanshi break; 79141e9e2be3SAdheer Chandravanshi case ISCSI_FLASHNODE_TCP_WSF_DISABLE: 79151e9e2be3SAdheer Chandravanshi rc = sprintf(buf, "%u\n", fnode_conn->tcp_wsf_disable); 79161e9e2be3SAdheer Chandravanshi break; 79171e9e2be3SAdheer Chandravanshi case ISCSI_FLASHNODE_TCP_TIMER_SCALE: 79181e9e2be3SAdheer Chandravanshi rc = sprintf(buf, "%u\n", fnode_conn->tcp_timer_scale); 79191e9e2be3SAdheer Chandravanshi break; 79201e9e2be3SAdheer Chandravanshi case ISCSI_FLASHNODE_TCP_TIMESTAMP_EN: 79211e9e2be3SAdheer Chandravanshi rc = sprintf(buf, "%u\n", fnode_conn->tcp_timestamp_en); 79221e9e2be3SAdheer Chandravanshi break; 79231e9e2be3SAdheer Chandravanshi case ISCSI_FLASHNODE_IP_FRAG_DISABLE: 79241e9e2be3SAdheer Chandravanshi rc = sprintf(buf, "%u\n", fnode_conn->fragment_disable); 79251e9e2be3SAdheer Chandravanshi break; 79261e9e2be3SAdheer Chandravanshi case ISCSI_FLASHNODE_MAX_RECV_DLENGTH: 79271e9e2be3SAdheer Chandravanshi rc = sprintf(buf, "%u\n", fnode_conn->max_recv_dlength); 79281e9e2be3SAdheer Chandravanshi break; 79291e9e2be3SAdheer Chandravanshi case ISCSI_FLASHNODE_MAX_XMIT_DLENGTH: 79301e9e2be3SAdheer Chandravanshi rc = sprintf(buf, "%u\n", fnode_conn->max_xmit_dlength); 79311e9e2be3SAdheer Chandravanshi break; 79321e9e2be3SAdheer Chandravanshi case ISCSI_FLASHNODE_FIRST_BURST: 79331e9e2be3SAdheer Chandravanshi rc = sprintf(buf, "%u\n", fnode_sess->first_burst); 79341e9e2be3SAdheer Chandravanshi break; 79351e9e2be3SAdheer Chandravanshi case ISCSI_FLASHNODE_DEF_TIME2WAIT: 79361e9e2be3SAdheer Chandravanshi rc = sprintf(buf, "%u\n", fnode_sess->time2wait); 79371e9e2be3SAdheer Chandravanshi break; 79381e9e2be3SAdheer Chandravanshi case ISCSI_FLASHNODE_DEF_TIME2RETAIN: 79391e9e2be3SAdheer Chandravanshi rc = sprintf(buf, "%u\n", fnode_sess->time2retain); 79401e9e2be3SAdheer Chandravanshi break; 79411e9e2be3SAdheer Chandravanshi case ISCSI_FLASHNODE_MAX_R2T: 79421e9e2be3SAdheer Chandravanshi rc = sprintf(buf, "%u\n", fnode_sess->max_r2t); 79431e9e2be3SAdheer Chandravanshi break; 79441e9e2be3SAdheer Chandravanshi case ISCSI_FLASHNODE_KEEPALIVE_TMO: 79451e9e2be3SAdheer Chandravanshi rc = sprintf(buf, "%u\n", fnode_conn->keepalive_timeout); 79461e9e2be3SAdheer Chandravanshi break; 79471e9e2be3SAdheer Chandravanshi case ISCSI_FLASHNODE_ISID: 7948d1d81bd0SOleksandr Khoshaba rc = sprintf(buf, "%pm\n", fnode_sess->isid); 79491e9e2be3SAdheer Chandravanshi break; 79501e9e2be3SAdheer Chandravanshi case ISCSI_FLASHNODE_TSID: 79511e9e2be3SAdheer Chandravanshi rc = sprintf(buf, "%u\n", fnode_sess->tsid); 79521e9e2be3SAdheer Chandravanshi break; 79531e9e2be3SAdheer Chandravanshi case ISCSI_FLASHNODE_PORT: 79541e9e2be3SAdheer Chandravanshi rc = sprintf(buf, "%d\n", fnode_conn->port); 79551e9e2be3SAdheer Chandravanshi break; 79561e9e2be3SAdheer Chandravanshi case ISCSI_FLASHNODE_MAX_BURST: 79571e9e2be3SAdheer Chandravanshi rc = sprintf(buf, "%u\n", fnode_sess->max_burst); 79581e9e2be3SAdheer Chandravanshi break; 79591e9e2be3SAdheer Chandravanshi case ISCSI_FLASHNODE_DEF_TASKMGMT_TMO: 79601e9e2be3SAdheer Chandravanshi rc = sprintf(buf, "%u\n", 79611e9e2be3SAdheer Chandravanshi fnode_sess->default_taskmgmt_timeout); 79621e9e2be3SAdheer Chandravanshi break; 79631e9e2be3SAdheer Chandravanshi case ISCSI_FLASHNODE_IPADDR: 7964c962c18bSAdheer Chandravanshi if (!strncmp(fnode_sess->portal_type, PORTAL_TYPE_IPV6, 4)) 79651e9e2be3SAdheer Chandravanshi rc = sprintf(buf, "%pI6\n", fnode_conn->ipaddress); 79661e9e2be3SAdheer Chandravanshi else 79671e9e2be3SAdheer Chandravanshi rc = sprintf(buf, "%pI4\n", fnode_conn->ipaddress); 79681e9e2be3SAdheer Chandravanshi break; 79691e9e2be3SAdheer Chandravanshi case ISCSI_FLASHNODE_ALIAS: 79701e9e2be3SAdheer Chandravanshi if (fnode_sess->targetalias) 79711e9e2be3SAdheer Chandravanshi rc = sprintf(buf, "%s\n", fnode_sess->targetalias); 79721e9e2be3SAdheer Chandravanshi else 79731e9e2be3SAdheer Chandravanshi rc = sprintf(buf, "\n"); 79741e9e2be3SAdheer Chandravanshi break; 79751e9e2be3SAdheer Chandravanshi case ISCSI_FLASHNODE_REDIRECT_IPADDR: 7976c962c18bSAdheer Chandravanshi if (!strncmp(fnode_sess->portal_type, PORTAL_TYPE_IPV6, 4)) 79771e9e2be3SAdheer Chandravanshi rc = sprintf(buf, "%pI6\n", 79781e9e2be3SAdheer Chandravanshi fnode_conn->redirect_ipaddr); 79791e9e2be3SAdheer Chandravanshi else 79801e9e2be3SAdheer Chandravanshi rc = sprintf(buf, "%pI4\n", 79811e9e2be3SAdheer Chandravanshi fnode_conn->redirect_ipaddr); 79821e9e2be3SAdheer Chandravanshi break; 79831e9e2be3SAdheer Chandravanshi case ISCSI_FLASHNODE_MAX_SEGMENT_SIZE: 79841e9e2be3SAdheer Chandravanshi rc = sprintf(buf, "%u\n", fnode_conn->max_segment_size); 79851e9e2be3SAdheer Chandravanshi break; 79861e9e2be3SAdheer Chandravanshi case ISCSI_FLASHNODE_LOCAL_PORT: 79871e9e2be3SAdheer Chandravanshi rc = sprintf(buf, "%u\n", fnode_conn->local_port); 79881e9e2be3SAdheer Chandravanshi break; 79891e9e2be3SAdheer Chandravanshi case ISCSI_FLASHNODE_IPV4_TOS: 79901e9e2be3SAdheer Chandravanshi rc = sprintf(buf, "%u\n", fnode_conn->ipv4_tos); 79911e9e2be3SAdheer Chandravanshi break; 79921e9e2be3SAdheer Chandravanshi case ISCSI_FLASHNODE_IPV6_TC: 7993c962c18bSAdheer Chandravanshi if (!strncmp(fnode_sess->portal_type, PORTAL_TYPE_IPV6, 4)) 79941e9e2be3SAdheer Chandravanshi rc = sprintf(buf, "%u\n", 79951e9e2be3SAdheer Chandravanshi fnode_conn->ipv6_traffic_class); 79961e9e2be3SAdheer Chandravanshi else 79971e9e2be3SAdheer Chandravanshi rc = sprintf(buf, "\n"); 79981e9e2be3SAdheer Chandravanshi break; 79991e9e2be3SAdheer Chandravanshi case ISCSI_FLASHNODE_IPV6_FLOW_LABEL: 80001e9e2be3SAdheer Chandravanshi rc = sprintf(buf, "%u\n", fnode_conn->ipv6_flow_label); 80011e9e2be3SAdheer Chandravanshi break; 80021e9e2be3SAdheer Chandravanshi case ISCSI_FLASHNODE_LINK_LOCAL_IPV6: 8003c962c18bSAdheer Chandravanshi if (!strncmp(fnode_sess->portal_type, PORTAL_TYPE_IPV6, 4)) 80041e9e2be3SAdheer Chandravanshi rc = sprintf(buf, "%pI6\n", 80051e9e2be3SAdheer Chandravanshi fnode_conn->link_local_ipv6_addr); 80061e9e2be3SAdheer Chandravanshi else 80071e9e2be3SAdheer Chandravanshi rc = sprintf(buf, "\n"); 80081e9e2be3SAdheer Chandravanshi break; 80091e9e2be3SAdheer Chandravanshi case ISCSI_FLASHNODE_DISCOVERY_PARENT_IDX: 8010a2f76636SAdheer Chandravanshi rc = sprintf(buf, "%u\n", fnode_sess->discovery_parent_idx); 80111e9e2be3SAdheer Chandravanshi break; 80121e9e2be3SAdheer Chandravanshi case ISCSI_FLASHNODE_DISCOVERY_PARENT_TYPE: 80131e9e2be3SAdheer Chandravanshi if (fnode_sess->discovery_parent_type == DDB_ISNS) 80141e9e2be3SAdheer Chandravanshi parent_type = ISCSI_DISC_PARENT_ISNS; 80151e9e2be3SAdheer Chandravanshi else if (fnode_sess->discovery_parent_type == DDB_NO_LINK) 80161e9e2be3SAdheer Chandravanshi parent_type = ISCSI_DISC_PARENT_UNKNOWN; 8017b6130ceaSVikas Chaudhary else if (fnode_sess->discovery_parent_type < MAX_DDB_ENTRIES) 80181e9e2be3SAdheer Chandravanshi parent_type = ISCSI_DISC_PARENT_SENDTGT; 80191e9e2be3SAdheer Chandravanshi else 80201e9e2be3SAdheer Chandravanshi parent_type = ISCSI_DISC_PARENT_UNKNOWN; 80211e9e2be3SAdheer Chandravanshi 80221e9e2be3SAdheer Chandravanshi rc = sprintf(buf, "%s\n", 80231e9e2be3SAdheer Chandravanshi iscsi_get_discovery_parent_name(parent_type)); 80241e9e2be3SAdheer Chandravanshi break; 80251e9e2be3SAdheer Chandravanshi case ISCSI_FLASHNODE_NAME: 80261e9e2be3SAdheer Chandravanshi if (fnode_sess->targetname) 80271e9e2be3SAdheer Chandravanshi rc = sprintf(buf, "%s\n", fnode_sess->targetname); 80281e9e2be3SAdheer Chandravanshi else 80291e9e2be3SAdheer Chandravanshi rc = sprintf(buf, "\n"); 80301e9e2be3SAdheer Chandravanshi break; 80311e9e2be3SAdheer Chandravanshi case ISCSI_FLASHNODE_TPGT: 80321e9e2be3SAdheer Chandravanshi rc = sprintf(buf, "%u\n", fnode_sess->tpgt); 80331e9e2be3SAdheer Chandravanshi break; 80341e9e2be3SAdheer Chandravanshi case ISCSI_FLASHNODE_TCP_XMIT_WSF: 80351e9e2be3SAdheer Chandravanshi rc = sprintf(buf, "%u\n", fnode_conn->tcp_xmit_wsf); 80361e9e2be3SAdheer Chandravanshi break; 80371e9e2be3SAdheer Chandravanshi case ISCSI_FLASHNODE_TCP_RECV_WSF: 80381e9e2be3SAdheer Chandravanshi rc = sprintf(buf, "%u\n", fnode_conn->tcp_recv_wsf); 80391e9e2be3SAdheer Chandravanshi break; 80401e9e2be3SAdheer Chandravanshi case ISCSI_FLASHNODE_CHAP_OUT_IDX: 80411e9e2be3SAdheer Chandravanshi rc = sprintf(buf, "%u\n", fnode_sess->chap_out_idx); 80421e9e2be3SAdheer Chandravanshi break; 80431e9e2be3SAdheer Chandravanshi case ISCSI_FLASHNODE_USERNAME: 80441e9e2be3SAdheer Chandravanshi if (fnode_sess->chap_auth_en) { 80451e9e2be3SAdheer Chandravanshi qla4xxx_get_uni_chap_at_index(ha, 80461e9e2be3SAdheer Chandravanshi chap_tbl.name, 80471e9e2be3SAdheer Chandravanshi chap_tbl.secret, 80481e9e2be3SAdheer Chandravanshi fnode_sess->chap_out_idx); 80491e9e2be3SAdheer Chandravanshi rc = sprintf(buf, "%s\n", chap_tbl.name); 80501e9e2be3SAdheer Chandravanshi } else { 80511e9e2be3SAdheer Chandravanshi rc = sprintf(buf, "\n"); 80521e9e2be3SAdheer Chandravanshi } 80531e9e2be3SAdheer Chandravanshi break; 80541e9e2be3SAdheer Chandravanshi case ISCSI_FLASHNODE_PASSWORD: 80551e9e2be3SAdheer Chandravanshi if (fnode_sess->chap_auth_en) { 80561e9e2be3SAdheer Chandravanshi qla4xxx_get_uni_chap_at_index(ha, 80571e9e2be3SAdheer Chandravanshi chap_tbl.name, 80581e9e2be3SAdheer Chandravanshi chap_tbl.secret, 80591e9e2be3SAdheer Chandravanshi fnode_sess->chap_out_idx); 80601e9e2be3SAdheer Chandravanshi rc = sprintf(buf, "%s\n", chap_tbl.secret); 80611e9e2be3SAdheer Chandravanshi } else { 80621e9e2be3SAdheer Chandravanshi rc = sprintf(buf, "\n"); 80631e9e2be3SAdheer Chandravanshi } 80641e9e2be3SAdheer Chandravanshi break; 80651e9e2be3SAdheer Chandravanshi case ISCSI_FLASHNODE_STATSN: 80661e9e2be3SAdheer Chandravanshi rc = sprintf(buf, "%u\n", fnode_conn->statsn); 80671e9e2be3SAdheer Chandravanshi break; 80681e9e2be3SAdheer Chandravanshi case ISCSI_FLASHNODE_EXP_STATSN: 80691e9e2be3SAdheer Chandravanshi rc = sprintf(buf, "%u\n", fnode_conn->exp_statsn); 80701e9e2be3SAdheer Chandravanshi break; 80711e9e2be3SAdheer Chandravanshi case ISCSI_FLASHNODE_IS_BOOT_TGT: 80721e9e2be3SAdheer Chandravanshi rc = sprintf(buf, "%u\n", fnode_sess->is_boot_target); 80731e9e2be3SAdheer Chandravanshi break; 80741e9e2be3SAdheer Chandravanshi default: 80751e9e2be3SAdheer Chandravanshi rc = -ENOSYS; 80761e9e2be3SAdheer Chandravanshi break; 80771e9e2be3SAdheer Chandravanshi } 80788526cb11SMike Christie 80798526cb11SMike Christie put_device(dev); 80801e9e2be3SAdheer Chandravanshi return rc; 80811e9e2be3SAdheer Chandravanshi } 80821e9e2be3SAdheer Chandravanshi 80831e9e2be3SAdheer Chandravanshi /** 80841e9e2be3SAdheer Chandravanshi * qla4xxx_sysfs_ddb_set_param - Set parameter for firmware DDB entry 80851e9e2be3SAdheer Chandravanshi * @fnode_sess: pointer to session attrs of flash ddb entry 80861e9e2be3SAdheer Chandravanshi * @fnode_conn: pointer to connection attrs of flash ddb entry 80871e9e2be3SAdheer Chandravanshi * @data: Parameters and their values to update 80881e9e2be3SAdheer Chandravanshi * @len: len of data 80891e9e2be3SAdheer Chandravanshi * 80901e9e2be3SAdheer Chandravanshi * This sets the parameter of flash ddb entry and writes them to flash 80911e9e2be3SAdheer Chandravanshi **/ 80921e9e2be3SAdheer Chandravanshi static int 80931e9e2be3SAdheer Chandravanshi qla4xxx_sysfs_ddb_set_param(struct iscsi_bus_flash_session *fnode_sess, 80941e9e2be3SAdheer Chandravanshi struct iscsi_bus_flash_conn *fnode_conn, 80951e9e2be3SAdheer Chandravanshi void *data, int len) 80961e9e2be3SAdheer Chandravanshi { 80971e9e2be3SAdheer Chandravanshi struct Scsi_Host *shost = iscsi_flash_session_to_shost(fnode_sess); 80981e9e2be3SAdheer Chandravanshi struct scsi_qla_host *ha = to_qla_host(shost); 80991e9e2be3SAdheer Chandravanshi struct iscsi_flashnode_param_info *fnode_param; 8100244c079bSAdheer Chandravanshi struct ql4_chap_table chap_tbl; 81011e9e2be3SAdheer Chandravanshi struct nlattr *attr; 8102244c079bSAdheer Chandravanshi uint16_t chap_out_idx = INVALID_ENTRY; 81031e9e2be3SAdheer Chandravanshi int rc = QLA_ERROR; 81041e9e2be3SAdheer Chandravanshi uint32_t rem = len; 81051e9e2be3SAdheer Chandravanshi 8106244c079bSAdheer Chandravanshi memset((void *)&chap_tbl, 0, sizeof(chap_tbl)); 81071e9e2be3SAdheer Chandravanshi nla_for_each_attr(attr, data, len, rem) { 81081e9e2be3SAdheer Chandravanshi fnode_param = nla_data(attr); 81091e9e2be3SAdheer Chandravanshi 81101e9e2be3SAdheer Chandravanshi switch (fnode_param->param) { 81111e9e2be3SAdheer Chandravanshi case ISCSI_FLASHNODE_IS_FW_ASSIGNED_IPV6: 81121e9e2be3SAdheer Chandravanshi fnode_conn->is_fw_assigned_ipv6 = fnode_param->value[0]; 81131e9e2be3SAdheer Chandravanshi break; 81141e9e2be3SAdheer Chandravanshi case ISCSI_FLASHNODE_PORTAL_TYPE: 81151e9e2be3SAdheer Chandravanshi memcpy(fnode_sess->portal_type, fnode_param->value, 81161e9e2be3SAdheer Chandravanshi strlen(fnode_sess->portal_type)); 81171e9e2be3SAdheer Chandravanshi break; 81181e9e2be3SAdheer Chandravanshi case ISCSI_FLASHNODE_AUTO_SND_TGT_DISABLE: 81191e9e2be3SAdheer Chandravanshi fnode_sess->auto_snd_tgt_disable = 81201e9e2be3SAdheer Chandravanshi fnode_param->value[0]; 81211e9e2be3SAdheer Chandravanshi break; 81221e9e2be3SAdheer Chandravanshi case ISCSI_FLASHNODE_DISCOVERY_SESS: 81231e9e2be3SAdheer Chandravanshi fnode_sess->discovery_sess = fnode_param->value[0]; 81241e9e2be3SAdheer Chandravanshi break; 81251e9e2be3SAdheer Chandravanshi case ISCSI_FLASHNODE_ENTRY_EN: 81261e9e2be3SAdheer Chandravanshi fnode_sess->entry_state = fnode_param->value[0]; 81271e9e2be3SAdheer Chandravanshi break; 81281e9e2be3SAdheer Chandravanshi case ISCSI_FLASHNODE_HDR_DGST_EN: 81291e9e2be3SAdheer Chandravanshi fnode_conn->hdrdgst_en = fnode_param->value[0]; 81301e9e2be3SAdheer Chandravanshi break; 81311e9e2be3SAdheer Chandravanshi case ISCSI_FLASHNODE_DATA_DGST_EN: 81321e9e2be3SAdheer Chandravanshi fnode_conn->datadgst_en = fnode_param->value[0]; 81331e9e2be3SAdheer Chandravanshi break; 81341e9e2be3SAdheer Chandravanshi case ISCSI_FLASHNODE_IMM_DATA_EN: 81351e9e2be3SAdheer Chandravanshi fnode_sess->imm_data_en = fnode_param->value[0]; 81361e9e2be3SAdheer Chandravanshi break; 81371e9e2be3SAdheer Chandravanshi case ISCSI_FLASHNODE_INITIAL_R2T_EN: 81381e9e2be3SAdheer Chandravanshi fnode_sess->initial_r2t_en = fnode_param->value[0]; 81391e9e2be3SAdheer Chandravanshi break; 81401e9e2be3SAdheer Chandravanshi case ISCSI_FLASHNODE_DATASEQ_INORDER: 81411e9e2be3SAdheer Chandravanshi fnode_sess->dataseq_inorder_en = fnode_param->value[0]; 81421e9e2be3SAdheer Chandravanshi break; 81431e9e2be3SAdheer Chandravanshi case ISCSI_FLASHNODE_PDU_INORDER: 81441e9e2be3SAdheer Chandravanshi fnode_sess->pdu_inorder_en = fnode_param->value[0]; 81451e9e2be3SAdheer Chandravanshi break; 81461e9e2be3SAdheer Chandravanshi case ISCSI_FLASHNODE_CHAP_AUTH_EN: 81471e9e2be3SAdheer Chandravanshi fnode_sess->chap_auth_en = fnode_param->value[0]; 8148244c079bSAdheer Chandravanshi /* Invalidate chap index if chap auth is disabled */ 8149244c079bSAdheer Chandravanshi if (!fnode_sess->chap_auth_en) 8150244c079bSAdheer Chandravanshi fnode_sess->chap_out_idx = INVALID_ENTRY; 8151244c079bSAdheer Chandravanshi 81521e9e2be3SAdheer Chandravanshi break; 81531e9e2be3SAdheer Chandravanshi case ISCSI_FLASHNODE_SNACK_REQ_EN: 81541e9e2be3SAdheer Chandravanshi fnode_conn->snack_req_en = fnode_param->value[0]; 81551e9e2be3SAdheer Chandravanshi break; 81561e9e2be3SAdheer Chandravanshi case ISCSI_FLASHNODE_DISCOVERY_LOGOUT_EN: 81571e9e2be3SAdheer Chandravanshi fnode_sess->discovery_logout_en = fnode_param->value[0]; 81581e9e2be3SAdheer Chandravanshi break; 81591e9e2be3SAdheer Chandravanshi case ISCSI_FLASHNODE_BIDI_CHAP_EN: 81601e9e2be3SAdheer Chandravanshi fnode_sess->bidi_chap_en = fnode_param->value[0]; 81611e9e2be3SAdheer Chandravanshi break; 81621e9e2be3SAdheer Chandravanshi case ISCSI_FLASHNODE_DISCOVERY_AUTH_OPTIONAL: 81631e9e2be3SAdheer Chandravanshi fnode_sess->discovery_auth_optional = 81641e9e2be3SAdheer Chandravanshi fnode_param->value[0]; 81651e9e2be3SAdheer Chandravanshi break; 81661e9e2be3SAdheer Chandravanshi case ISCSI_FLASHNODE_ERL: 81671e9e2be3SAdheer Chandravanshi fnode_sess->erl = fnode_param->value[0]; 81681e9e2be3SAdheer Chandravanshi break; 81691e9e2be3SAdheer Chandravanshi case ISCSI_FLASHNODE_TCP_TIMESTAMP_STAT: 81701e9e2be3SAdheer Chandravanshi fnode_conn->tcp_timestamp_stat = fnode_param->value[0]; 81711e9e2be3SAdheer Chandravanshi break; 81721e9e2be3SAdheer Chandravanshi case ISCSI_FLASHNODE_TCP_NAGLE_DISABLE: 81731e9e2be3SAdheer Chandravanshi fnode_conn->tcp_nagle_disable = fnode_param->value[0]; 81741e9e2be3SAdheer Chandravanshi break; 81751e9e2be3SAdheer Chandravanshi case ISCSI_FLASHNODE_TCP_WSF_DISABLE: 81761e9e2be3SAdheer Chandravanshi fnode_conn->tcp_wsf_disable = fnode_param->value[0]; 81771e9e2be3SAdheer Chandravanshi break; 81781e9e2be3SAdheer Chandravanshi case ISCSI_FLASHNODE_TCP_TIMER_SCALE: 81791e9e2be3SAdheer Chandravanshi fnode_conn->tcp_timer_scale = fnode_param->value[0]; 81801e9e2be3SAdheer Chandravanshi break; 81811e9e2be3SAdheer Chandravanshi case ISCSI_FLASHNODE_TCP_TIMESTAMP_EN: 81821e9e2be3SAdheer Chandravanshi fnode_conn->tcp_timestamp_en = fnode_param->value[0]; 81831e9e2be3SAdheer Chandravanshi break; 81841e9e2be3SAdheer Chandravanshi case ISCSI_FLASHNODE_IP_FRAG_DISABLE: 81851e9e2be3SAdheer Chandravanshi fnode_conn->fragment_disable = fnode_param->value[0]; 81861e9e2be3SAdheer Chandravanshi break; 81871e9e2be3SAdheer Chandravanshi case ISCSI_FLASHNODE_MAX_RECV_DLENGTH: 81881e9e2be3SAdheer Chandravanshi fnode_conn->max_recv_dlength = 81891e9e2be3SAdheer Chandravanshi *(unsigned *)fnode_param->value; 81901e9e2be3SAdheer Chandravanshi break; 81911e9e2be3SAdheer Chandravanshi case ISCSI_FLASHNODE_MAX_XMIT_DLENGTH: 81921e9e2be3SAdheer Chandravanshi fnode_conn->max_xmit_dlength = 81931e9e2be3SAdheer Chandravanshi *(unsigned *)fnode_param->value; 81941e9e2be3SAdheer Chandravanshi break; 81951e9e2be3SAdheer Chandravanshi case ISCSI_FLASHNODE_FIRST_BURST: 81961e9e2be3SAdheer Chandravanshi fnode_sess->first_burst = 81971e9e2be3SAdheer Chandravanshi *(unsigned *)fnode_param->value; 81981e9e2be3SAdheer Chandravanshi break; 81991e9e2be3SAdheer Chandravanshi case ISCSI_FLASHNODE_DEF_TIME2WAIT: 82001e9e2be3SAdheer Chandravanshi fnode_sess->time2wait = *(uint16_t *)fnode_param->value; 82011e9e2be3SAdheer Chandravanshi break; 82021e9e2be3SAdheer Chandravanshi case ISCSI_FLASHNODE_DEF_TIME2RETAIN: 82031e9e2be3SAdheer Chandravanshi fnode_sess->time2retain = 82041e9e2be3SAdheer Chandravanshi *(uint16_t *)fnode_param->value; 82051e9e2be3SAdheer Chandravanshi break; 82061e9e2be3SAdheer Chandravanshi case ISCSI_FLASHNODE_MAX_R2T: 82071e9e2be3SAdheer Chandravanshi fnode_sess->max_r2t = 82081e9e2be3SAdheer Chandravanshi *(uint16_t *)fnode_param->value; 82091e9e2be3SAdheer Chandravanshi break; 82101e9e2be3SAdheer Chandravanshi case ISCSI_FLASHNODE_KEEPALIVE_TMO: 82111e9e2be3SAdheer Chandravanshi fnode_conn->keepalive_timeout = 82121e9e2be3SAdheer Chandravanshi *(uint16_t *)fnode_param->value; 82131e9e2be3SAdheer Chandravanshi break; 82141e9e2be3SAdheer Chandravanshi case ISCSI_FLASHNODE_ISID: 82151e9e2be3SAdheer Chandravanshi memcpy(fnode_sess->isid, fnode_param->value, 82161e9e2be3SAdheer Chandravanshi sizeof(fnode_sess->isid)); 82171e9e2be3SAdheer Chandravanshi break; 82181e9e2be3SAdheer Chandravanshi case ISCSI_FLASHNODE_TSID: 82191e9e2be3SAdheer Chandravanshi fnode_sess->tsid = *(uint16_t *)fnode_param->value; 82201e9e2be3SAdheer Chandravanshi break; 82211e9e2be3SAdheer Chandravanshi case ISCSI_FLASHNODE_PORT: 82221e9e2be3SAdheer Chandravanshi fnode_conn->port = *(uint16_t *)fnode_param->value; 82231e9e2be3SAdheer Chandravanshi break; 82241e9e2be3SAdheer Chandravanshi case ISCSI_FLASHNODE_MAX_BURST: 82251e9e2be3SAdheer Chandravanshi fnode_sess->max_burst = *(unsigned *)fnode_param->value; 82261e9e2be3SAdheer Chandravanshi break; 82271e9e2be3SAdheer Chandravanshi case ISCSI_FLASHNODE_DEF_TASKMGMT_TMO: 82281e9e2be3SAdheer Chandravanshi fnode_sess->default_taskmgmt_timeout = 82291e9e2be3SAdheer Chandravanshi *(uint16_t *)fnode_param->value; 82301e9e2be3SAdheer Chandravanshi break; 82311e9e2be3SAdheer Chandravanshi case ISCSI_FLASHNODE_IPADDR: 82321e9e2be3SAdheer Chandravanshi memcpy(fnode_conn->ipaddress, fnode_param->value, 82331e9e2be3SAdheer Chandravanshi IPv6_ADDR_LEN); 82341e9e2be3SAdheer Chandravanshi break; 82351e9e2be3SAdheer Chandravanshi case ISCSI_FLASHNODE_ALIAS: 82361e9e2be3SAdheer Chandravanshi rc = iscsi_switch_str_param(&fnode_sess->targetalias, 82371e9e2be3SAdheer Chandravanshi (char *)fnode_param->value); 82381e9e2be3SAdheer Chandravanshi break; 82391e9e2be3SAdheer Chandravanshi case ISCSI_FLASHNODE_REDIRECT_IPADDR: 82401e9e2be3SAdheer Chandravanshi memcpy(fnode_conn->redirect_ipaddr, fnode_param->value, 82411e9e2be3SAdheer Chandravanshi IPv6_ADDR_LEN); 82421e9e2be3SAdheer Chandravanshi break; 82431e9e2be3SAdheer Chandravanshi case ISCSI_FLASHNODE_MAX_SEGMENT_SIZE: 82441e9e2be3SAdheer Chandravanshi fnode_conn->max_segment_size = 82451e9e2be3SAdheer Chandravanshi *(unsigned *)fnode_param->value; 82461e9e2be3SAdheer Chandravanshi break; 82471e9e2be3SAdheer Chandravanshi case ISCSI_FLASHNODE_LOCAL_PORT: 82481e9e2be3SAdheer Chandravanshi fnode_conn->local_port = 82491e9e2be3SAdheer Chandravanshi *(uint16_t *)fnode_param->value; 82501e9e2be3SAdheer Chandravanshi break; 82511e9e2be3SAdheer Chandravanshi case ISCSI_FLASHNODE_IPV4_TOS: 82521e9e2be3SAdheer Chandravanshi fnode_conn->ipv4_tos = fnode_param->value[0]; 82531e9e2be3SAdheer Chandravanshi break; 82541e9e2be3SAdheer Chandravanshi case ISCSI_FLASHNODE_IPV6_TC: 82551e9e2be3SAdheer Chandravanshi fnode_conn->ipv6_traffic_class = fnode_param->value[0]; 82561e9e2be3SAdheer Chandravanshi break; 82571e9e2be3SAdheer Chandravanshi case ISCSI_FLASHNODE_IPV6_FLOW_LABEL: 82581e9e2be3SAdheer Chandravanshi fnode_conn->ipv6_flow_label = fnode_param->value[0]; 82591e9e2be3SAdheer Chandravanshi break; 82601e9e2be3SAdheer Chandravanshi case ISCSI_FLASHNODE_NAME: 82611e9e2be3SAdheer Chandravanshi rc = iscsi_switch_str_param(&fnode_sess->targetname, 82621e9e2be3SAdheer Chandravanshi (char *)fnode_param->value); 82631e9e2be3SAdheer Chandravanshi break; 82641e9e2be3SAdheer Chandravanshi case ISCSI_FLASHNODE_TPGT: 82651e9e2be3SAdheer Chandravanshi fnode_sess->tpgt = *(uint16_t *)fnode_param->value; 82661e9e2be3SAdheer Chandravanshi break; 82671e9e2be3SAdheer Chandravanshi case ISCSI_FLASHNODE_LINK_LOCAL_IPV6: 82681e9e2be3SAdheer Chandravanshi memcpy(fnode_conn->link_local_ipv6_addr, 82691e9e2be3SAdheer Chandravanshi fnode_param->value, IPv6_ADDR_LEN); 82701e9e2be3SAdheer Chandravanshi break; 827165560166SAdheer Chandravanshi case ISCSI_FLASHNODE_DISCOVERY_PARENT_IDX: 827265560166SAdheer Chandravanshi fnode_sess->discovery_parent_idx = 82731e9e2be3SAdheer Chandravanshi *(uint16_t *)fnode_param->value; 82741e9e2be3SAdheer Chandravanshi break; 82751e9e2be3SAdheer Chandravanshi case ISCSI_FLASHNODE_TCP_XMIT_WSF: 82761e9e2be3SAdheer Chandravanshi fnode_conn->tcp_xmit_wsf = 82771e9e2be3SAdheer Chandravanshi *(uint8_t *)fnode_param->value; 82781e9e2be3SAdheer Chandravanshi break; 82791e9e2be3SAdheer Chandravanshi case ISCSI_FLASHNODE_TCP_RECV_WSF: 82801e9e2be3SAdheer Chandravanshi fnode_conn->tcp_recv_wsf = 82811e9e2be3SAdheer Chandravanshi *(uint8_t *)fnode_param->value; 82821e9e2be3SAdheer Chandravanshi break; 82831e9e2be3SAdheer Chandravanshi case ISCSI_FLASHNODE_STATSN: 82841e9e2be3SAdheer Chandravanshi fnode_conn->statsn = *(uint32_t *)fnode_param->value; 82851e9e2be3SAdheer Chandravanshi break; 82861e9e2be3SAdheer Chandravanshi case ISCSI_FLASHNODE_EXP_STATSN: 82871e9e2be3SAdheer Chandravanshi fnode_conn->exp_statsn = 82881e9e2be3SAdheer Chandravanshi *(uint32_t *)fnode_param->value; 82891e9e2be3SAdheer Chandravanshi break; 8290244c079bSAdheer Chandravanshi case ISCSI_FLASHNODE_CHAP_OUT_IDX: 8291244c079bSAdheer Chandravanshi chap_out_idx = *(uint16_t *)fnode_param->value; 8292244c079bSAdheer Chandravanshi if (!qla4xxx_get_uni_chap_at_index(ha, 8293244c079bSAdheer Chandravanshi chap_tbl.name, 8294244c079bSAdheer Chandravanshi chap_tbl.secret, 8295244c079bSAdheer Chandravanshi chap_out_idx)) { 8296244c079bSAdheer Chandravanshi fnode_sess->chap_out_idx = chap_out_idx; 8297244c079bSAdheer Chandravanshi /* Enable chap auth if chap index is valid */ 8298244c079bSAdheer Chandravanshi fnode_sess->chap_auth_en = QL4_PARAM_ENABLE; 8299244c079bSAdheer Chandravanshi } 8300244c079bSAdheer Chandravanshi break; 83011e9e2be3SAdheer Chandravanshi default: 83021e9e2be3SAdheer Chandravanshi ql4_printk(KERN_ERR, ha, 83031e9e2be3SAdheer Chandravanshi "%s: No such sysfs attribute\n", __func__); 83041e9e2be3SAdheer Chandravanshi rc = -ENOSYS; 83051e9e2be3SAdheer Chandravanshi goto exit_set_param; 83061e9e2be3SAdheer Chandravanshi } 83071e9e2be3SAdheer Chandravanshi } 83081e9e2be3SAdheer Chandravanshi 83091e9e2be3SAdheer Chandravanshi rc = qla4xxx_sysfs_ddb_apply(fnode_sess, fnode_conn); 83101e9e2be3SAdheer Chandravanshi 83111e9e2be3SAdheer Chandravanshi exit_set_param: 83121e9e2be3SAdheer Chandravanshi return rc; 83131e9e2be3SAdheer Chandravanshi } 83141e9e2be3SAdheer Chandravanshi 83151e9e2be3SAdheer Chandravanshi /** 83161e9e2be3SAdheer Chandravanshi * qla4xxx_sysfs_ddb_delete - Delete firmware DDB entry 83171e9e2be3SAdheer Chandravanshi * @fnode_sess: pointer to session attrs of flash ddb entry 83181e9e2be3SAdheer Chandravanshi * 83191e9e2be3SAdheer Chandravanshi * This invalidates the flash ddb entry at the given index 83201e9e2be3SAdheer Chandravanshi **/ 83211e9e2be3SAdheer Chandravanshi static int qla4xxx_sysfs_ddb_delete(struct iscsi_bus_flash_session *fnode_sess) 83221e9e2be3SAdheer Chandravanshi { 83231e9e2be3SAdheer Chandravanshi struct Scsi_Host *shost = iscsi_flash_session_to_shost(fnode_sess); 83241e9e2be3SAdheer Chandravanshi struct scsi_qla_host *ha = to_qla_host(shost); 83251e9e2be3SAdheer Chandravanshi uint32_t dev_db_start_offset; 83261e9e2be3SAdheer Chandravanshi uint32_t dev_db_end_offset; 83271e9e2be3SAdheer Chandravanshi struct dev_db_entry *fw_ddb_entry = NULL; 83281e9e2be3SAdheer Chandravanshi dma_addr_t fw_ddb_entry_dma; 83291e9e2be3SAdheer Chandravanshi uint16_t *ddb_cookie = NULL; 8330b6130ceaSVikas Chaudhary size_t ddb_size = 0; 8331039acc1eSAdheer Chandravanshi void *pddb = NULL; 83321e9e2be3SAdheer Chandravanshi int target_id; 83331e9e2be3SAdheer Chandravanshi int rc = 0; 83341e9e2be3SAdheer Chandravanshi 83351e9e2be3SAdheer Chandravanshi if (fnode_sess->is_boot_target) { 83361e9e2be3SAdheer Chandravanshi rc = -EPERM; 83371e9e2be3SAdheer Chandravanshi DEBUG2(ql4_printk(KERN_ERR, ha, 83381e9e2be3SAdheer Chandravanshi "%s: Deletion of boot target entry is not permitted.\n", 83391e9e2be3SAdheer Chandravanshi __func__)); 83401e9e2be3SAdheer Chandravanshi goto exit_ddb_del; 83411e9e2be3SAdheer Chandravanshi } 83421e9e2be3SAdheer Chandravanshi 83431e9e2be3SAdheer Chandravanshi if (fnode_sess->flash_state == DEV_DB_NON_PERSISTENT) 83441e9e2be3SAdheer Chandravanshi goto sysfs_ddb_del; 83451e9e2be3SAdheer Chandravanshi 83461e9e2be3SAdheer Chandravanshi if (is_qla40XX(ha)) { 83471e9e2be3SAdheer Chandravanshi dev_db_start_offset = FLASH_OFFSET_DB_INFO; 8348039acc1eSAdheer Chandravanshi dev_db_end_offset = FLASH_OFFSET_DB_END; 8349039acc1eSAdheer Chandravanshi dev_db_start_offset += (fnode_sess->target_id * 8350039acc1eSAdheer Chandravanshi sizeof(*fw_ddb_entry)); 8351039acc1eSAdheer Chandravanshi ddb_size = sizeof(*fw_ddb_entry); 83521e9e2be3SAdheer Chandravanshi } else { 83531e9e2be3SAdheer Chandravanshi dev_db_start_offset = FLASH_RAW_ACCESS_ADDR + 83541e9e2be3SAdheer Chandravanshi (ha->hw.flt_region_ddb << 2); 83551e9e2be3SAdheer Chandravanshi /* flt_ddb_size is DDB table size for both ports 83561e9e2be3SAdheer Chandravanshi * so divide it by 2 to calculate the offset for second port 83571e9e2be3SAdheer Chandravanshi */ 83581e9e2be3SAdheer Chandravanshi if (ha->port_num == 1) 83591e9e2be3SAdheer Chandravanshi dev_db_start_offset += (ha->hw.flt_ddb_size / 2); 83601e9e2be3SAdheer Chandravanshi 8361039acc1eSAdheer Chandravanshi dev_db_end_offset = dev_db_start_offset + 8362039acc1eSAdheer Chandravanshi (ha->hw.flt_ddb_size / 2); 8363039acc1eSAdheer Chandravanshi 8364039acc1eSAdheer Chandravanshi dev_db_start_offset += (fnode_sess->target_id * 8365039acc1eSAdheer Chandravanshi sizeof(*fw_ddb_entry)); 83661bcb5619SAdheer Chandravanshi dev_db_start_offset += offsetof(struct dev_db_entry, cookie); 83671e9e2be3SAdheer Chandravanshi 8368039acc1eSAdheer Chandravanshi ddb_size = sizeof(*ddb_cookie); 8369039acc1eSAdheer Chandravanshi } 8370039acc1eSAdheer Chandravanshi 83711e9e2be3SAdheer Chandravanshi DEBUG2(ql4_printk(KERN_ERR, ha, "%s: start offset=%u, end offset=%u\n", 83721e9e2be3SAdheer Chandravanshi __func__, dev_db_start_offset, dev_db_end_offset)); 83731e9e2be3SAdheer Chandravanshi 83741e9e2be3SAdheer Chandravanshi if (dev_db_start_offset > dev_db_end_offset) { 83751e9e2be3SAdheer Chandravanshi rc = -EIO; 83761e9e2be3SAdheer Chandravanshi DEBUG2(ql4_printk(KERN_ERR, ha, "%s:Invalid DDB index %u\n", 83771e9e2be3SAdheer Chandravanshi __func__, fnode_sess->target_id)); 83781e9e2be3SAdheer Chandravanshi goto exit_ddb_del; 83791e9e2be3SAdheer Chandravanshi } 83801e9e2be3SAdheer Chandravanshi 8381039acc1eSAdheer Chandravanshi pddb = dma_alloc_coherent(&ha->pdev->dev, ddb_size, 8382039acc1eSAdheer Chandravanshi &fw_ddb_entry_dma, GFP_KERNEL); 8383039acc1eSAdheer Chandravanshi if (!pddb) { 8384039acc1eSAdheer Chandravanshi rc = -ENOMEM; 8385039acc1eSAdheer Chandravanshi DEBUG2(ql4_printk(KERN_ERR, ha, 8386039acc1eSAdheer Chandravanshi "%s: Unable to allocate dma buffer\n", 8387039acc1eSAdheer Chandravanshi __func__)); 8388039acc1eSAdheer Chandravanshi goto exit_ddb_del; 8389039acc1eSAdheer Chandravanshi } 8390039acc1eSAdheer Chandravanshi 8391039acc1eSAdheer Chandravanshi if (is_qla40XX(ha)) { 8392039acc1eSAdheer Chandravanshi fw_ddb_entry = pddb; 8393039acc1eSAdheer Chandravanshi memset(fw_ddb_entry, 0, ddb_size); 8394039acc1eSAdheer Chandravanshi ddb_cookie = &fw_ddb_entry->cookie; 8395039acc1eSAdheer Chandravanshi } else { 8396039acc1eSAdheer Chandravanshi ddb_cookie = pddb; 8397039acc1eSAdheer Chandravanshi } 8398039acc1eSAdheer Chandravanshi 83991e9e2be3SAdheer Chandravanshi /* invalidate the cookie */ 84001e9e2be3SAdheer Chandravanshi *ddb_cookie = 0xFFEE; 84011e9e2be3SAdheer Chandravanshi qla4xxx_set_flash(ha, fw_ddb_entry_dma, dev_db_start_offset, 8402039acc1eSAdheer Chandravanshi ddb_size, FLASH_OPT_RMW_COMMIT); 84031e9e2be3SAdheer Chandravanshi 84041e9e2be3SAdheer Chandravanshi sysfs_ddb_del: 84051e9e2be3SAdheer Chandravanshi target_id = fnode_sess->target_id; 84061e9e2be3SAdheer Chandravanshi iscsi_destroy_flashnode_sess(fnode_sess); 84071e9e2be3SAdheer Chandravanshi ql4_printk(KERN_INFO, ha, 84081e9e2be3SAdheer Chandravanshi "%s: session and conn entries for flashnode %u of host %lu deleted\n", 84091e9e2be3SAdheer Chandravanshi __func__, target_id, ha->host_no); 84101e9e2be3SAdheer Chandravanshi exit_ddb_del: 8411039acc1eSAdheer Chandravanshi if (pddb) 8412039acc1eSAdheer Chandravanshi dma_free_coherent(&ha->pdev->dev, ddb_size, pddb, 8413039acc1eSAdheer Chandravanshi fw_ddb_entry_dma); 84141e9e2be3SAdheer Chandravanshi return rc; 84151e9e2be3SAdheer Chandravanshi } 84161e9e2be3SAdheer Chandravanshi 84171e9e2be3SAdheer Chandravanshi /** 84181e9e2be3SAdheer Chandravanshi * qla4xxx_sysfs_ddb_export - Create sysfs entries for firmware DDBs 84191e9e2be3SAdheer Chandravanshi * @ha: pointer to adapter structure 84201e9e2be3SAdheer Chandravanshi * 84211e9e2be3SAdheer Chandravanshi * Export the firmware DDB for all send targets and normal targets to sysfs. 84221e9e2be3SAdheer Chandravanshi **/ 8423906cbf3dSNilesh Javali int qla4xxx_sysfs_ddb_export(struct scsi_qla_host *ha) 84241e9e2be3SAdheer Chandravanshi { 84251e9e2be3SAdheer Chandravanshi struct dev_db_entry *fw_ddb_entry = NULL; 84261e9e2be3SAdheer Chandravanshi dma_addr_t fw_ddb_entry_dma; 84271e9e2be3SAdheer Chandravanshi uint16_t max_ddbs; 84281e9e2be3SAdheer Chandravanshi uint16_t idx = 0; 84291e9e2be3SAdheer Chandravanshi int ret = QLA_SUCCESS; 84301e9e2be3SAdheer Chandravanshi 84311e9e2be3SAdheer Chandravanshi fw_ddb_entry = dma_alloc_coherent(&ha->pdev->dev, 84321e9e2be3SAdheer Chandravanshi sizeof(*fw_ddb_entry), 84331e9e2be3SAdheer Chandravanshi &fw_ddb_entry_dma, GFP_KERNEL); 84341e9e2be3SAdheer Chandravanshi if (!fw_ddb_entry) { 84351e9e2be3SAdheer Chandravanshi DEBUG2(ql4_printk(KERN_ERR, ha, 84361e9e2be3SAdheer Chandravanshi "%s: Unable to allocate dma buffer\n", 84371e9e2be3SAdheer Chandravanshi __func__)); 84381e9e2be3SAdheer Chandravanshi return -ENOMEM; 84391e9e2be3SAdheer Chandravanshi } 84401e9e2be3SAdheer Chandravanshi 8441a957a7d7SAdheer Chandravanshi max_ddbs = is_qla40XX(ha) ? MAX_PRST_DEV_DB_ENTRIES : 84421e9e2be3SAdheer Chandravanshi MAX_DEV_DB_ENTRIES; 84431e9e2be3SAdheer Chandravanshi 84441e9e2be3SAdheer Chandravanshi for (idx = 0; idx < max_ddbs; idx++) { 84451e9e2be3SAdheer Chandravanshi if (qla4xxx_flashdb_by_index(ha, fw_ddb_entry, fw_ddb_entry_dma, 84461e9e2be3SAdheer Chandravanshi idx)) 84471e9e2be3SAdheer Chandravanshi continue; 84481e9e2be3SAdheer Chandravanshi 84491e9e2be3SAdheer Chandravanshi ret = qla4xxx_sysfs_ddb_tgt_create(ha, fw_ddb_entry, &idx, 0); 84501e9e2be3SAdheer Chandravanshi if (ret) { 84511e9e2be3SAdheer Chandravanshi ret = -EIO; 84521e9e2be3SAdheer Chandravanshi break; 84531e9e2be3SAdheer Chandravanshi } 84541e9e2be3SAdheer Chandravanshi } 84551e9e2be3SAdheer Chandravanshi 84561e9e2be3SAdheer Chandravanshi dma_free_coherent(&ha->pdev->dev, sizeof(*fw_ddb_entry), fw_ddb_entry, 84571e9e2be3SAdheer Chandravanshi fw_ddb_entry_dma); 84581e9e2be3SAdheer Chandravanshi 84591e9e2be3SAdheer Chandravanshi return ret; 84601e9e2be3SAdheer Chandravanshi } 84611e9e2be3SAdheer Chandravanshi 84621e9e2be3SAdheer Chandravanshi static void qla4xxx_sysfs_ddb_remove(struct scsi_qla_host *ha) 84631e9e2be3SAdheer Chandravanshi { 84641e9e2be3SAdheer Chandravanshi iscsi_destroy_all_flashnode(ha->host); 84651e9e2be3SAdheer Chandravanshi } 84661e9e2be3SAdheer Chandravanshi 84674a4bc2e9SLalit Chandivade /** 84684a4bc2e9SLalit Chandivade * qla4xxx_build_ddb_list - Build ddb list and setup sessions 84694a4bc2e9SLalit Chandivade * @ha: pointer to adapter structure 84704a4bc2e9SLalit Chandivade * @is_reset: Is this init path or reset path 84714a4bc2e9SLalit Chandivade * 84724a4bc2e9SLalit Chandivade * Create a list of sendtargets (st) from firmware DDBs, issue send targets 84734a4bc2e9SLalit Chandivade * using connection open, then create the list of normal targets (nt) 84744a4bc2e9SLalit Chandivade * from firmware DDBs. Based on the list of nt setup session and connection 84754a4bc2e9SLalit Chandivade * objects. 84764a4bc2e9SLalit Chandivade **/ 84774a4bc2e9SLalit Chandivade void qla4xxx_build_ddb_list(struct scsi_qla_host *ha, int is_reset) 84784a4bc2e9SLalit Chandivade { 84794a4bc2e9SLalit Chandivade uint16_t tmo = 0; 84804a4bc2e9SLalit Chandivade struct list_head list_st, list_nt; 84814a4bc2e9SLalit Chandivade struct qla_ddb_index *st_ddb_idx, *st_ddb_idx_tmp; 84824a4bc2e9SLalit Chandivade unsigned long wtime; 84834a4bc2e9SLalit Chandivade 84844a4bc2e9SLalit Chandivade if (!test_bit(AF_LINK_UP, &ha->flags)) { 84854a4bc2e9SLalit Chandivade set_bit(AF_BUILD_DDB_LIST, &ha->flags); 84864a4bc2e9SLalit Chandivade ha->is_reset = is_reset; 84874a4bc2e9SLalit Chandivade return; 84884a4bc2e9SLalit Chandivade } 84894a4bc2e9SLalit Chandivade 84904a4bc2e9SLalit Chandivade INIT_LIST_HEAD(&list_st); 84914a4bc2e9SLalit Chandivade INIT_LIST_HEAD(&list_nt); 84924a4bc2e9SLalit Chandivade 84934a4bc2e9SLalit Chandivade qla4xxx_build_st_list(ha, &list_st); 84944a4bc2e9SLalit Chandivade 849513483730SMike Christie /* Before issuing conn open mbox, ensure all IPs states are configured 849613483730SMike Christie * Note, conn open fails if IPs are not configured 849713483730SMike Christie */ 849813483730SMike Christie qla4xxx_wait_for_ip_configuration(ha); 849913483730SMike Christie 850013483730SMike Christie /* Go thru the STs and fire the sendtargets by issuing conn open mbx */ 850113483730SMike Christie list_for_each_entry_safe(st_ddb_idx, st_ddb_idx_tmp, &list_st, list) { 850213483730SMike Christie qla4xxx_conn_open(ha, st_ddb_idx->fw_ddb_idx); 850313483730SMike Christie } 850413483730SMike Christie 850513483730SMike Christie /* Wait to ensure all sendtargets are done for min 12 sec wait */ 8506c28eaacaSNilesh Javali tmo = ((ha->def_timeout > LOGIN_TOV) && 8507c28eaacaSNilesh Javali (ha->def_timeout < LOGIN_TOV * 10) ? 8508c28eaacaSNilesh Javali ha->def_timeout : LOGIN_TOV); 8509c28eaacaSNilesh Javali 851013483730SMike Christie DEBUG2(ql4_printk(KERN_INFO, ha, 851113483730SMike Christie "Default time to wait for build ddb %d\n", tmo)); 851213483730SMike Christie 851313483730SMike Christie wtime = jiffies + (HZ * tmo); 851413483730SMike Christie do { 8515f1f2e60eSNilesh Javali if (list_empty(&list_st)) 8516f1f2e60eSNilesh Javali break; 8517f1f2e60eSNilesh Javali 85184a4bc2e9SLalit Chandivade qla4xxx_remove_failed_ddb(ha, &list_st); 851913483730SMike Christie schedule_timeout_uninterruptible(HZ / 10); 852013483730SMike Christie } while (time_after(wtime, jiffies)); 852113483730SMike Christie 8522ad8bd45eSManish Rangankar 8523ad8bd45eSManish Rangankar qla4xxx_build_nt_list(ha, &list_nt, &list_st, is_reset); 8524ad8bd45eSManish Rangankar 85254a4bc2e9SLalit Chandivade qla4xxx_free_ddb_list(&list_st); 85264a4bc2e9SLalit Chandivade qla4xxx_free_ddb_list(&list_nt); 852713483730SMike Christie 852813483730SMike Christie qla4xxx_free_ddb_index(ha); 852913483730SMike Christie } 853013483730SMike Christie 8531afaf5a2dSDavid Somayajulu /** 85321dc8ed5dSManish Rangankar * qla4xxx_wait_login_resp_boot_tgt - Wait for iSCSI boot target login 85331dc8ed5dSManish Rangankar * response. 85341dc8ed5dSManish Rangankar * @ha: pointer to adapter structure 85351dc8ed5dSManish Rangankar * 85361dc8ed5dSManish Rangankar * When the boot entry is normal iSCSI target then DF_BOOT_TGT flag will be 85371dc8ed5dSManish Rangankar * set in DDB and we will wait for login response of boot targets during 85381dc8ed5dSManish Rangankar * probe. 85391dc8ed5dSManish Rangankar **/ 85401dc8ed5dSManish Rangankar static void qla4xxx_wait_login_resp_boot_tgt(struct scsi_qla_host *ha) 85411dc8ed5dSManish Rangankar { 85421dc8ed5dSManish Rangankar struct ddb_entry *ddb_entry; 85431dc8ed5dSManish Rangankar struct dev_db_entry *fw_ddb_entry = NULL; 85441dc8ed5dSManish Rangankar dma_addr_t fw_ddb_entry_dma; 85451dc8ed5dSManish Rangankar unsigned long wtime; 85461dc8ed5dSManish Rangankar uint32_t ddb_state; 85471dc8ed5dSManish Rangankar int max_ddbs, idx, ret; 85481dc8ed5dSManish Rangankar 85491dc8ed5dSManish Rangankar max_ddbs = is_qla40XX(ha) ? MAX_DEV_DB_ENTRIES_40XX : 85501dc8ed5dSManish Rangankar MAX_DEV_DB_ENTRIES; 85511dc8ed5dSManish Rangankar 85521dc8ed5dSManish Rangankar fw_ddb_entry = dma_alloc_coherent(&ha->pdev->dev, sizeof(*fw_ddb_entry), 85531dc8ed5dSManish Rangankar &fw_ddb_entry_dma, GFP_KERNEL); 85541dc8ed5dSManish Rangankar if (!fw_ddb_entry) { 85551dc8ed5dSManish Rangankar ql4_printk(KERN_ERR, ha, 85561dc8ed5dSManish Rangankar "%s: Unable to allocate dma buffer\n", __func__); 85571dc8ed5dSManish Rangankar goto exit_login_resp; 85581dc8ed5dSManish Rangankar } 85591dc8ed5dSManish Rangankar 85601dc8ed5dSManish Rangankar wtime = jiffies + (HZ * BOOT_LOGIN_RESP_TOV); 85611dc8ed5dSManish Rangankar 85621dc8ed5dSManish Rangankar for (idx = 0; idx < max_ddbs; idx++) { 85631dc8ed5dSManish Rangankar ddb_entry = qla4xxx_lookup_ddb_by_fw_index(ha, idx); 85641dc8ed5dSManish Rangankar if (ddb_entry == NULL) 85651dc8ed5dSManish Rangankar continue; 85661dc8ed5dSManish Rangankar 85671dc8ed5dSManish Rangankar if (test_bit(DF_BOOT_TGT, &ddb_entry->flags)) { 85681dc8ed5dSManish Rangankar DEBUG2(ql4_printk(KERN_INFO, ha, 85691dc8ed5dSManish Rangankar "%s: DDB index [%d]\n", __func__, 85701dc8ed5dSManish Rangankar ddb_entry->fw_ddb_index)); 85711dc8ed5dSManish Rangankar do { 85721dc8ed5dSManish Rangankar ret = qla4xxx_get_fwddb_entry(ha, 85731dc8ed5dSManish Rangankar ddb_entry->fw_ddb_index, 85741dc8ed5dSManish Rangankar fw_ddb_entry, fw_ddb_entry_dma, 85751dc8ed5dSManish Rangankar NULL, NULL, &ddb_state, NULL, 85761dc8ed5dSManish Rangankar NULL, NULL); 85771dc8ed5dSManish Rangankar if (ret == QLA_ERROR) 85781dc8ed5dSManish Rangankar goto exit_login_resp; 85791dc8ed5dSManish Rangankar 85801dc8ed5dSManish Rangankar if ((ddb_state == DDB_DS_SESSION_ACTIVE) || 85811dc8ed5dSManish Rangankar (ddb_state == DDB_DS_SESSION_FAILED)) 85821dc8ed5dSManish Rangankar break; 85831dc8ed5dSManish Rangankar 85841dc8ed5dSManish Rangankar schedule_timeout_uninterruptible(HZ); 85851dc8ed5dSManish Rangankar 85861dc8ed5dSManish Rangankar } while ((time_after(wtime, jiffies))); 85871dc8ed5dSManish Rangankar 85881dc8ed5dSManish Rangankar if (!time_after(wtime, jiffies)) { 85891dc8ed5dSManish Rangankar DEBUG2(ql4_printk(KERN_INFO, ha, 85901dc8ed5dSManish Rangankar "%s: Login response wait timer expired\n", 85911dc8ed5dSManish Rangankar __func__)); 85921dc8ed5dSManish Rangankar goto exit_login_resp; 85931dc8ed5dSManish Rangankar } 85941dc8ed5dSManish Rangankar } 85951dc8ed5dSManish Rangankar } 85961dc8ed5dSManish Rangankar 85971dc8ed5dSManish Rangankar exit_login_resp: 85981dc8ed5dSManish Rangankar if (fw_ddb_entry) 85991dc8ed5dSManish Rangankar dma_free_coherent(&ha->pdev->dev, sizeof(*fw_ddb_entry), 86001dc8ed5dSManish Rangankar fw_ddb_entry, fw_ddb_entry_dma); 86011dc8ed5dSManish Rangankar } 86021dc8ed5dSManish Rangankar 86031dc8ed5dSManish Rangankar /** 8604afaf5a2dSDavid Somayajulu * qla4xxx_probe_adapter - callback function to probe HBA 8605afaf5a2dSDavid Somayajulu * @pdev: pointer to pci_dev structure 8606cdeeb36dSLee Jones * @ent: pointer to pci_device entry 8607afaf5a2dSDavid Somayajulu * 8608afaf5a2dSDavid Somayajulu * This routine will probe for Qlogic 4xxx iSCSI host adapters. 8609afaf5a2dSDavid Somayajulu * It returns zero if successful. It also initializes all data necessary for 8610afaf5a2dSDavid Somayajulu * the driver. 8611afaf5a2dSDavid Somayajulu **/ 86126f039790SGreg Kroah-Hartman static int qla4xxx_probe_adapter(struct pci_dev *pdev, 8613afaf5a2dSDavid Somayajulu const struct pci_device_id *ent) 8614afaf5a2dSDavid Somayajulu { 8615afaf5a2dSDavid Somayajulu int ret = -ENODEV, status; 8616afaf5a2dSDavid Somayajulu struct Scsi_Host *host; 8617afaf5a2dSDavid Somayajulu struct scsi_qla_host *ha; 8618afaf5a2dSDavid Somayajulu uint8_t init_retry_count = 0; 8619afaf5a2dSDavid Somayajulu char buf[34]; 8620f4f5df23SVikas Chaudhary struct qla4_8xxx_legacy_intr_set *nx_legacy_intr; 8621f9880e76SPrasanna Mumbai uint32_t dev_state; 8622afaf5a2dSDavid Somayajulu 8623afaf5a2dSDavid Somayajulu if (pci_enable_device(pdev)) 8624afaf5a2dSDavid Somayajulu return -1; 8625afaf5a2dSDavid Somayajulu 8626b3a271a9SManish Rangankar host = iscsi_host_alloc(&qla4xxx_driver_template, sizeof(*ha), 0); 8627afaf5a2dSDavid Somayajulu if (host == NULL) { 8628afaf5a2dSDavid Somayajulu printk(KERN_WARNING 8629afaf5a2dSDavid Somayajulu "qla4xxx: Couldn't allocate host from scsi layer!\n"); 8630afaf5a2dSDavid Somayajulu goto probe_disable_device; 8631afaf5a2dSDavid Somayajulu } 8632afaf5a2dSDavid Somayajulu 8633afaf5a2dSDavid Somayajulu /* Clear our data area */ 8634b3a271a9SManish Rangankar ha = to_qla_host(host); 8635afaf5a2dSDavid Somayajulu memset(ha, 0, sizeof(*ha)); 8636afaf5a2dSDavid Somayajulu 8637afaf5a2dSDavid Somayajulu /* Save the information from PCI BIOS. */ 8638afaf5a2dSDavid Somayajulu ha->pdev = pdev; 8639afaf5a2dSDavid Somayajulu ha->host = host; 8640afaf5a2dSDavid Somayajulu ha->host_no = host->host_no; 86416e7b4292SVikas Chaudhary ha->func_num = PCI_FUNC(ha->pdev->devfn); 8642afaf5a2dSDavid Somayajulu 86432232be0dSLalit Chandivade pci_enable_pcie_error_reporting(pdev); 86442232be0dSLalit Chandivade 8645f4f5df23SVikas Chaudhary /* Setup Runtime configurable options */ 8646f4f5df23SVikas Chaudhary if (is_qla8022(ha)) { 86477664a1fdSVikas Chaudhary ha->isp_ops = &qla4_82xx_isp_ops; 864833693c7aSVikas Chaudhary ha->reg_tbl = (uint32_t *) qla4_82xx_reg_tbl; 8649f4f5df23SVikas Chaudhary ha->qdr_sn_window = -1; 8650f4f5df23SVikas Chaudhary ha->ddr_mn_window = -1; 8651f4f5df23SVikas Chaudhary ha->curr_window = 255; 8652f4f5df23SVikas Chaudhary nx_legacy_intr = &legacy_intr[ha->func_num]; 8653f4f5df23SVikas Chaudhary ha->nx_legacy_intr.int_vec_bit = nx_legacy_intr->int_vec_bit; 8654f4f5df23SVikas Chaudhary ha->nx_legacy_intr.tgt_status_reg = 8655f4f5df23SVikas Chaudhary nx_legacy_intr->tgt_status_reg; 8656f4f5df23SVikas Chaudhary ha->nx_legacy_intr.tgt_mask_reg = nx_legacy_intr->tgt_mask_reg; 8657f4f5df23SVikas Chaudhary ha->nx_legacy_intr.pci_int_reg = nx_legacy_intr->pci_int_reg; 8658b37ca418SVikas Chaudhary } else if (is_qla8032(ha) || is_qla8042(ha)) { 86596e7b4292SVikas Chaudhary ha->isp_ops = &qla4_83xx_isp_ops; 86606e7b4292SVikas Chaudhary ha->reg_tbl = (uint32_t *)qla4_83xx_reg_tbl; 8661f4f5df23SVikas Chaudhary } else { 8662f4f5df23SVikas Chaudhary ha->isp_ops = &qla4xxx_isp_ops; 8663f4f5df23SVikas Chaudhary } 8664f4f5df23SVikas Chaudhary 86656e7b4292SVikas Chaudhary if (is_qla80XX(ha)) { 86666e7b4292SVikas Chaudhary rwlock_init(&ha->hw_lock); 86676e7b4292SVikas Chaudhary ha->pf_bit = ha->func_num << 16; 86682232be0dSLalit Chandivade /* Set EEH reset type to fundamental if required by hba */ 86692232be0dSLalit Chandivade pdev->needs_freset = 1; 86706e7b4292SVikas Chaudhary } 86712232be0dSLalit Chandivade 8672afaf5a2dSDavid Somayajulu /* Configure PCI I/O space. */ 8673f4f5df23SVikas Chaudhary ret = ha->isp_ops->iospace_config(ha); 8674afaf5a2dSDavid Somayajulu if (ret) 8675f4f5df23SVikas Chaudhary goto probe_failed_ioconfig; 8676afaf5a2dSDavid Somayajulu 8677c2660df3SVikas Chaudhary ql4_printk(KERN_INFO, ha, "Found an ISP%04x, irq %d, iobase 0x%p\n", 8678afaf5a2dSDavid Somayajulu pdev->device, pdev->irq, ha->reg); 8679afaf5a2dSDavid Somayajulu 8680afaf5a2dSDavid Somayajulu qla4xxx_config_dma_addressing(ha); 8681afaf5a2dSDavid Somayajulu 8682afaf5a2dSDavid Somayajulu /* Initialize lists and spinlocks. */ 8683afaf5a2dSDavid Somayajulu INIT_LIST_HEAD(&ha->free_srb_q); 8684afaf5a2dSDavid Somayajulu 8685afaf5a2dSDavid Somayajulu mutex_init(&ha->mbox_sem); 86864549415aSLalit Chandivade mutex_init(&ha->chap_sem); 8687f4f5df23SVikas Chaudhary init_completion(&ha->mbx_intr_comp); 868895d31262SVikas Chaudhary init_completion(&ha->disable_acb_comp); 8689df86f771SVikas Chaudhary init_completion(&ha->idc_comp); 8690df86f771SVikas Chaudhary init_completion(&ha->link_up_comp); 8691afaf5a2dSDavid Somayajulu 8692afaf5a2dSDavid Somayajulu spin_lock_init(&ha->hardware_lock); 86938e9157c8SVikas Chaudhary spin_lock_init(&ha->work_lock); 8694afaf5a2dSDavid Somayajulu 8695ff884430SVikas Chaudhary /* Initialize work list */ 8696ff884430SVikas Chaudhary INIT_LIST_HEAD(&ha->work_list); 8697ff884430SVikas Chaudhary 8698afaf5a2dSDavid Somayajulu /* Allocate dma buffers */ 8699afaf5a2dSDavid Somayajulu if (qla4xxx_mem_alloc(ha)) { 8700c2660df3SVikas Chaudhary ql4_printk(KERN_WARNING, ha, 8701afaf5a2dSDavid Somayajulu "[ERROR] Failed to allocate memory for adapter\n"); 8702afaf5a2dSDavid Somayajulu 8703afaf5a2dSDavid Somayajulu ret = -ENOMEM; 8704afaf5a2dSDavid Somayajulu goto probe_failed; 8705afaf5a2dSDavid Somayajulu } 8706afaf5a2dSDavid Somayajulu 8707b3a271a9SManish Rangankar host->cmd_per_lun = 3; 8708b3a271a9SManish Rangankar host->max_channel = 0; 8709b3a271a9SManish Rangankar host->max_lun = MAX_LUNS - 1; 8710b3a271a9SManish Rangankar host->max_id = MAX_TARGETS; 8711b3a271a9SManish Rangankar host->max_cmd_len = IOCB_MAX_CDB_LEN; 8712b3a271a9SManish Rangankar host->can_queue = MAX_SRBS ; 8713b3a271a9SManish Rangankar host->transportt = qla4xxx_scsi_transport; 8714b3a271a9SManish Rangankar 8715b3a271a9SManish Rangankar pci_set_drvdata(pdev, ha); 8716b3a271a9SManish Rangankar 8717b3a271a9SManish Rangankar ret = scsi_add_host(host, &pdev->dev); 8718b3a271a9SManish Rangankar if (ret) 8719b3a271a9SManish Rangankar goto probe_failed; 8720b3a271a9SManish Rangankar 87216e7b4292SVikas Chaudhary if (is_qla80XX(ha)) 87226e7b4292SVikas Chaudhary qla4_8xxx_get_flash_info(ha); 87236e7b4292SVikas Chaudhary 8724b37ca418SVikas Chaudhary if (is_qla8032(ha) || is_qla8042(ha)) { 87256e7b4292SVikas Chaudhary qla4_83xx_read_reset_template(ha); 87266e7b4292SVikas Chaudhary /* 87276e7b4292SVikas Chaudhary * NOTE: If ql4dontresethba==1, set IDC_CTRL DONTRESET_BIT0. 87286e7b4292SVikas Chaudhary * If DONRESET_BIT0 is set, drivers should not set dev_state 87296e7b4292SVikas Chaudhary * to NEED_RESET. But if NEED_RESET is set, drivers should 87306e7b4292SVikas Chaudhary * should honor the reset. 87316e7b4292SVikas Chaudhary */ 87326e7b4292SVikas Chaudhary if (ql4xdontresethba == 1) 87336e7b4292SVikas Chaudhary qla4_83xx_set_idc_dontreset(ha); 87346e7b4292SVikas Chaudhary } 8735f4f5df23SVikas Chaudhary 8736afaf5a2dSDavid Somayajulu /* 8737afaf5a2dSDavid Somayajulu * Initialize the Host adapter request/response queues and 8738afaf5a2dSDavid Somayajulu * firmware 8739afaf5a2dSDavid Somayajulu * NOTE: interrupts enabled upon successful completion 8740afaf5a2dSDavid Somayajulu */ 874113483730SMike Christie status = qla4xxx_initialize_adapter(ha, INIT_ADAPTER); 87427977f825SPoornima Vonti 87437977f825SPoornima Vonti /* Dont retry adapter initialization if IRQ allocation failed */ 874437418cc6SNilesh Javali if (is_qla80XX(ha) && (status == QLA_ERROR)) 87457977f825SPoornima Vonti goto skip_retry_init; 87467977f825SPoornima Vonti 8747f4f5df23SVikas Chaudhary while ((!test_bit(AF_ONLINE, &ha->flags)) && 8748f4f5df23SVikas Chaudhary init_retry_count++ < MAX_INIT_RETRIES) { 8749f9880e76SPrasanna Mumbai 87506e7b4292SVikas Chaudhary if (is_qla80XX(ha)) { 875133693c7aSVikas Chaudhary ha->isp_ops->idc_lock(ha); 875233693c7aSVikas Chaudhary dev_state = qla4_8xxx_rd_direct(ha, 8753e951aca1SVikas Chaudhary QLA8XXX_CRB_DEV_STATE); 875433693c7aSVikas Chaudhary ha->isp_ops->idc_unlock(ha); 8755de8c72daSVikas Chaudhary if (dev_state == QLA8XXX_DEV_FAILED) { 8756f9880e76SPrasanna Mumbai ql4_printk(KERN_WARNING, ha, "%s: don't retry " 8757f9880e76SPrasanna Mumbai "initialize adapter. H/W is in failed state\n", 8758f9880e76SPrasanna Mumbai __func__); 8759f9880e76SPrasanna Mumbai break; 8760f9880e76SPrasanna Mumbai } 8761f9880e76SPrasanna Mumbai } 8762afaf5a2dSDavid Somayajulu DEBUG2(printk("scsi: %s: retrying adapter initialization " 8763afaf5a2dSDavid Somayajulu "(%d)\n", __func__, init_retry_count)); 8764f4f5df23SVikas Chaudhary 8765f4f5df23SVikas Chaudhary if (ha->isp_ops->reset_chip(ha) == QLA_ERROR) 8766f4f5df23SVikas Chaudhary continue; 8767f4f5df23SVikas Chaudhary 876813483730SMike Christie status = qla4xxx_initialize_adapter(ha, INIT_ADAPTER); 876937418cc6SNilesh Javali if (is_qla80XX(ha) && (status == QLA_ERROR)) { 877037418cc6SNilesh Javali if (qla4_8xxx_check_init_adapter_retry(ha) == QLA_ERROR) 877137418cc6SNilesh Javali goto skip_retry_init; 877237418cc6SNilesh Javali } 8773afaf5a2dSDavid Somayajulu } 8774f4f5df23SVikas Chaudhary 87757977f825SPoornima Vonti skip_retry_init: 8776f4f5df23SVikas Chaudhary if (!test_bit(AF_ONLINE, &ha->flags)) { 8777c2660df3SVikas Chaudhary ql4_printk(KERN_WARNING, ha, "Failed to initialize adapter\n"); 8778afaf5a2dSDavid Somayajulu 87796e7b4292SVikas Chaudhary if ((is_qla8022(ha) && ql4xdontresethba) || 8780b37ca418SVikas Chaudhary ((is_qla8032(ha) || is_qla8042(ha)) && 8781b37ca418SVikas Chaudhary qla4_83xx_idc_dontreset(ha))) { 8782fe998527SLalit Chandivade /* Put the device in failed state. */ 8783fe998527SLalit Chandivade DEBUG2(printk(KERN_ERR "HW STATE: FAILED\n")); 878433693c7aSVikas Chaudhary ha->isp_ops->idc_lock(ha); 878533693c7aSVikas Chaudhary qla4_8xxx_wr_direct(ha, QLA8XXX_CRB_DEV_STATE, 8786de8c72daSVikas Chaudhary QLA8XXX_DEV_FAILED); 878733693c7aSVikas Chaudhary ha->isp_ops->idc_unlock(ha); 8788fe998527SLalit Chandivade } 8789afaf5a2dSDavid Somayajulu ret = -ENODEV; 8790b3a271a9SManish Rangankar goto remove_host; 8791afaf5a2dSDavid Somayajulu } 8792afaf5a2dSDavid Somayajulu 8793afaf5a2dSDavid Somayajulu /* Startup the kernel thread for this host adapter. */ 8794afaf5a2dSDavid Somayajulu DEBUG2(printk("scsi: %s: Starting kernel thread for " 8795afaf5a2dSDavid Somayajulu "qla4xxx_dpc\n", __func__)); 8796afaf5a2dSDavid Somayajulu sprintf(buf, "qla4xxx_%lu_dpc", ha->host_no); 8797afaf5a2dSDavid Somayajulu ha->dpc_thread = create_singlethread_workqueue(buf); 8798afaf5a2dSDavid Somayajulu if (!ha->dpc_thread) { 8799c2660df3SVikas Chaudhary ql4_printk(KERN_WARNING, ha, "Unable to start DPC thread!\n"); 8800afaf5a2dSDavid Somayajulu ret = -ENODEV; 8801b3a271a9SManish Rangankar goto remove_host; 8802afaf5a2dSDavid Somayajulu } 8803c4028958SDavid Howells INIT_WORK(&ha->dpc_work, qla4xxx_do_dpc); 8804afaf5a2dSDavid Somayajulu 8805d8537548SKees Cook ha->task_wq = alloc_workqueue("qla4xxx_%lu_task", WQ_MEM_RECLAIM, 1, 8806d8537548SKees Cook ha->host_no); 8807b3a271a9SManish Rangankar if (!ha->task_wq) { 8808b3a271a9SManish Rangankar ql4_printk(KERN_WARNING, ha, "Unable to start task thread!\n"); 8809b3a271a9SManish Rangankar ret = -ENODEV; 8810b3a271a9SManish Rangankar goto remove_host; 8811b3a271a9SManish Rangankar } 8812b3a271a9SManish Rangankar 88136e7b4292SVikas Chaudhary /* 88146e7b4292SVikas Chaudhary * For ISP-8XXX, request_irqs is called in qla4_8xxx_load_risc 8815f4f5df23SVikas Chaudhary * (which is called indirectly by qla4xxx_initialize_adapter), 8816f4f5df23SVikas Chaudhary * so that irqs will be registered after crbinit but before 8817f4f5df23SVikas Chaudhary * mbx_intr_enable. 8818f4f5df23SVikas Chaudhary */ 8819ee996a69SVikas Chaudhary if (is_qla40XX(ha)) { 8820f4f5df23SVikas Chaudhary ret = qla4xxx_request_irqs(ha); 8821afaf5a2dSDavid Somayajulu if (ret) { 8822f4f5df23SVikas Chaudhary ql4_printk(KERN_WARNING, ha, "Failed to reserve " 8823f4f5df23SVikas Chaudhary "interrupt %d already in use.\n", pdev->irq); 8824b3a271a9SManish Rangankar goto remove_host; 8825afaf5a2dSDavid Somayajulu } 8826f4f5df23SVikas Chaudhary } 8827afaf5a2dSDavid Somayajulu 88282232be0dSLalit Chandivade pci_save_state(ha->pdev); 8829f4f5df23SVikas Chaudhary ha->isp_ops->enable_intrs(ha); 8830afaf5a2dSDavid Somayajulu 8831afaf5a2dSDavid Somayajulu /* Start timer thread. */ 8832d744644aSKees Cook qla4xxx_start_timer(ha, 1); 8833afaf5a2dSDavid Somayajulu 8834afaf5a2dSDavid Somayajulu set_bit(AF_INIT_DONE, &ha->flags); 8835afaf5a2dSDavid Somayajulu 8836068237c8STej Parkash qla4_8xxx_alloc_sysfs_attr(ha); 8837068237c8STej Parkash 8838afaf5a2dSDavid Somayajulu printk(KERN_INFO 8839afaf5a2dSDavid Somayajulu " QLogic iSCSI HBA Driver version: %s\n" 8840afaf5a2dSDavid Somayajulu " QLogic ISP%04x @ %s, host#=%ld, fw=%02d.%02d.%02d.%02d\n", 8841afaf5a2dSDavid Somayajulu qla4xxx_version_str, ha->pdev->device, pci_name(ha->pdev), 8842eee06a0fSAdheer Chandravanshi ha->host_no, ha->fw_info.fw_major, ha->fw_info.fw_minor, 8843eee06a0fSAdheer Chandravanshi ha->fw_info.fw_patch, ha->fw_info.fw_build); 8844ed1086e0SVikas Chaudhary 8845cfb27874SManish Dusane /* Set the driver version */ 8846cfb27874SManish Dusane if (is_qla80XX(ha)) 8847cfb27874SManish Dusane qla4_8xxx_set_param(ha, SET_DRVR_VERSION); 8848cfb27874SManish Dusane 88492a991c21SManish Rangankar if (qla4xxx_setup_boot_info(ha)) 88503573bfb2SVikas Chaudhary ql4_printk(KERN_ERR, ha, 88513573bfb2SVikas Chaudhary "%s: No iSCSI boot target configured\n", __func__); 88522a991c21SManish Rangankar 8853906cbf3dSNilesh Javali set_bit(DPC_SYSFS_DDB_EXPORT, &ha->dpc_flags); 885413483730SMike Christie /* Perform the build ddb list and login to each */ 885513483730SMike Christie qla4xxx_build_ddb_list(ha, INIT_ADAPTER); 885613483730SMike Christie iscsi_host_for_each_session(ha->host, qla4xxx_login_flash_ddb); 88571dc8ed5dSManish Rangankar qla4xxx_wait_login_resp_boot_tgt(ha); 885813483730SMike Christie 885913483730SMike Christie qla4xxx_create_chap_list(ha); 886013483730SMike Christie 8861ed1086e0SVikas Chaudhary qla4xxx_create_ifaces(ha); 8862afaf5a2dSDavid Somayajulu return 0; 8863afaf5a2dSDavid Somayajulu 8864b3a271a9SManish Rangankar remove_host: 8865b3a271a9SManish Rangankar scsi_remove_host(ha->host); 8866b3a271a9SManish Rangankar 8867afaf5a2dSDavid Somayajulu probe_failed: 8868afaf5a2dSDavid Somayajulu qla4xxx_free_adapter(ha); 8869f4f5df23SVikas Chaudhary 8870f4f5df23SVikas Chaudhary probe_failed_ioconfig: 88712232be0dSLalit Chandivade pci_disable_pcie_error_reporting(pdev); 8872afaf5a2dSDavid Somayajulu scsi_host_put(ha->host); 8873afaf5a2dSDavid Somayajulu 8874afaf5a2dSDavid Somayajulu probe_disable_device: 8875afaf5a2dSDavid Somayajulu pci_disable_device(pdev); 8876afaf5a2dSDavid Somayajulu 8877afaf5a2dSDavid Somayajulu return ret; 8878afaf5a2dSDavid Somayajulu } 8879afaf5a2dSDavid Somayajulu 8880afaf5a2dSDavid Somayajulu /** 88817eece5a0SKaren Higgins * qla4xxx_prevent_other_port_reinit - prevent other port from re-initialize 88827eece5a0SKaren Higgins * @ha: pointer to adapter structure 88837eece5a0SKaren Higgins * 88847eece5a0SKaren Higgins * Mark the other ISP-4xxx port to indicate that the driver is being removed, 88857eece5a0SKaren Higgins * so that the other port will not re-initialize while in the process of 88867eece5a0SKaren Higgins * removing the ha due to driver unload or hba hotplug. 88877eece5a0SKaren Higgins **/ 88887eece5a0SKaren Higgins static void qla4xxx_prevent_other_port_reinit(struct scsi_qla_host *ha) 88897eece5a0SKaren Higgins { 88907eece5a0SKaren Higgins struct scsi_qla_host *other_ha = NULL; 88917eece5a0SKaren Higgins struct pci_dev *other_pdev = NULL; 88927eece5a0SKaren Higgins int fn = ISP4XXX_PCI_FN_2; 88937eece5a0SKaren Higgins 88947eece5a0SKaren Higgins /*iscsi function numbers for ISP4xxx is 1 and 3*/ 88957eece5a0SKaren Higgins if (PCI_FUNC(ha->pdev->devfn) & BIT_1) 88967eece5a0SKaren Higgins fn = ISP4XXX_PCI_FN_1; 88977eece5a0SKaren Higgins 88987eece5a0SKaren Higgins other_pdev = 88997eece5a0SKaren Higgins pci_get_domain_bus_and_slot(pci_domain_nr(ha->pdev->bus), 89007eece5a0SKaren Higgins ha->pdev->bus->number, PCI_DEVFN(PCI_SLOT(ha->pdev->devfn), 89017eece5a0SKaren Higgins fn)); 89027eece5a0SKaren Higgins 89037eece5a0SKaren Higgins /* Get other_ha if other_pdev is valid and state is enable*/ 89047eece5a0SKaren Higgins if (other_pdev) { 89057eece5a0SKaren Higgins if (atomic_read(&other_pdev->enable_cnt)) { 89067eece5a0SKaren Higgins other_ha = pci_get_drvdata(other_pdev); 89077eece5a0SKaren Higgins if (other_ha) { 89087eece5a0SKaren Higgins set_bit(AF_HA_REMOVAL, &other_ha->flags); 89097eece5a0SKaren Higgins DEBUG2(ql4_printk(KERN_INFO, ha, "%s: " 89107eece5a0SKaren Higgins "Prevent %s reinit\n", __func__, 89117eece5a0SKaren Higgins dev_name(&other_ha->pdev->dev))); 89127eece5a0SKaren Higgins } 89137eece5a0SKaren Higgins } 89147eece5a0SKaren Higgins pci_dev_put(other_pdev); 89157eece5a0SKaren Higgins } 89167eece5a0SKaren Higgins } 89177eece5a0SKaren Higgins 891828d958baSVikas Chaudhary static void qla4xxx_destroy_ddb(struct scsi_qla_host *ha, 891928d958baSVikas Chaudhary struct ddb_entry *ddb_entry) 892028d958baSVikas Chaudhary { 892128d958baSVikas Chaudhary struct dev_db_entry *fw_ddb_entry = NULL; 892228d958baSVikas Chaudhary dma_addr_t fw_ddb_entry_dma; 892328d958baSVikas Chaudhary unsigned long wtime; 892428d958baSVikas Chaudhary uint32_t ddb_state; 892528d958baSVikas Chaudhary int options; 892628d958baSVikas Chaudhary int status; 892728d958baSVikas Chaudhary 892828d958baSVikas Chaudhary options = LOGOUT_OPTION_CLOSE_SESSION; 892928d958baSVikas Chaudhary if (qla4xxx_session_logout_ddb(ha, ddb_entry, options) == QLA_ERROR) { 893028d958baSVikas Chaudhary ql4_printk(KERN_ERR, ha, "%s: Logout failed\n", __func__); 893128d958baSVikas Chaudhary goto clear_ddb; 893228d958baSVikas Chaudhary } 893328d958baSVikas Chaudhary 893428d958baSVikas Chaudhary fw_ddb_entry = dma_alloc_coherent(&ha->pdev->dev, sizeof(*fw_ddb_entry), 893528d958baSVikas Chaudhary &fw_ddb_entry_dma, GFP_KERNEL); 893628d958baSVikas Chaudhary if (!fw_ddb_entry) { 893728d958baSVikas Chaudhary ql4_printk(KERN_ERR, ha, 893828d958baSVikas Chaudhary "%s: Unable to allocate dma buffer\n", __func__); 893928d958baSVikas Chaudhary goto clear_ddb; 894028d958baSVikas Chaudhary } 894128d958baSVikas Chaudhary 894228d958baSVikas Chaudhary wtime = jiffies + (HZ * LOGOUT_TOV); 894328d958baSVikas Chaudhary do { 894428d958baSVikas Chaudhary status = qla4xxx_get_fwddb_entry(ha, ddb_entry->fw_ddb_index, 894528d958baSVikas Chaudhary fw_ddb_entry, fw_ddb_entry_dma, 894628d958baSVikas Chaudhary NULL, NULL, &ddb_state, NULL, 894728d958baSVikas Chaudhary NULL, NULL); 894828d958baSVikas Chaudhary if (status == QLA_ERROR) 894928d958baSVikas Chaudhary goto free_ddb; 895028d958baSVikas Chaudhary 895128d958baSVikas Chaudhary if ((ddb_state == DDB_DS_NO_CONNECTION_ACTIVE) || 895228d958baSVikas Chaudhary (ddb_state == DDB_DS_SESSION_FAILED)) 895328d958baSVikas Chaudhary goto free_ddb; 895428d958baSVikas Chaudhary 895528d958baSVikas Chaudhary schedule_timeout_uninterruptible(HZ); 895628d958baSVikas Chaudhary } while ((time_after(wtime, jiffies))); 895728d958baSVikas Chaudhary 895828d958baSVikas Chaudhary free_ddb: 895928d958baSVikas Chaudhary dma_free_coherent(&ha->pdev->dev, sizeof(*fw_ddb_entry), 896028d958baSVikas Chaudhary fw_ddb_entry, fw_ddb_entry_dma); 896128d958baSVikas Chaudhary clear_ddb: 896228d958baSVikas Chaudhary qla4xxx_clear_ddb_entry(ha, ddb_entry->fw_ddb_index); 896328d958baSVikas Chaudhary } 896428d958baSVikas Chaudhary 896513483730SMike Christie static void qla4xxx_destroy_fw_ddb_session(struct scsi_qla_host *ha) 896613483730SMike Christie { 896713483730SMike Christie struct ddb_entry *ddb_entry; 896813483730SMike Christie int idx; 896913483730SMike Christie 897013483730SMike Christie for (idx = 0; idx < MAX_DDB_ENTRIES; idx++) { 897113483730SMike Christie 897213483730SMike Christie ddb_entry = qla4xxx_lookup_ddb_by_fw_index(ha, idx); 897313483730SMike Christie if ((ddb_entry != NULL) && 897413483730SMike Christie (ddb_entry->ddb_type == FLASH_DDB)) { 897513483730SMike Christie 897628d958baSVikas Chaudhary qla4xxx_destroy_ddb(ha, ddb_entry); 897713483730SMike Christie /* 897813483730SMike Christie * we have decremented the reference count of the driver 897913483730SMike Christie * when we setup the session to have the driver unload 898013483730SMike Christie * to be seamless without actually destroying the 898113483730SMike Christie * session 898213483730SMike Christie **/ 898313483730SMike Christie try_module_get(qla4xxx_iscsi_transport.owner); 898413483730SMike Christie iscsi_destroy_endpoint(ddb_entry->conn->ep); 898513483730SMike Christie qla4xxx_free_ddb(ha, ddb_entry); 898613483730SMike Christie iscsi_session_teardown(ddb_entry->sess); 898713483730SMike Christie } 898813483730SMike Christie } 898913483730SMike Christie } 89907eece5a0SKaren Higgins /** 899159e13d48SMasanari Iida * qla4xxx_remove_adapter - callback function to remove adapter. 8992cdeeb36dSLee Jones * @pdev: PCI device pointer 8993afaf5a2dSDavid Somayajulu **/ 89946f039790SGreg Kroah-Hartman static void qla4xxx_remove_adapter(struct pci_dev *pdev) 8995afaf5a2dSDavid Somayajulu { 8996afaf5a2dSDavid Somayajulu struct scsi_qla_host *ha; 8997afaf5a2dSDavid Somayajulu 8998f8b0751dSVikas Chaudhary /* 8999f8b0751dSVikas Chaudhary * If the PCI device is disabled then it means probe_adapter had 9000f8b0751dSVikas Chaudhary * failed and resources already cleaned up on probe_adapter exit. 9001f8b0751dSVikas Chaudhary */ 9002f8b0751dSVikas Chaudhary if (!pci_is_enabled(pdev)) 9003f8b0751dSVikas Chaudhary return; 9004f8b0751dSVikas Chaudhary 9005afaf5a2dSDavid Somayajulu ha = pci_get_drvdata(pdev); 9006afaf5a2dSDavid Somayajulu 9007ee996a69SVikas Chaudhary if (is_qla40XX(ha)) 90087eece5a0SKaren Higgins qla4xxx_prevent_other_port_reinit(ha); 9009bee4fe8eSDavid C Somayajulu 9010ed1086e0SVikas Chaudhary /* destroy iface from sysfs */ 9011ed1086e0SVikas Chaudhary qla4xxx_destroy_ifaces(ha); 9012ed1086e0SVikas Chaudhary 901313483730SMike Christie if ((!ql4xdisablesysfsboot) && ha->boot_kset) 90142a991c21SManish Rangankar iscsi_boot_destroy_kset(ha->boot_kset); 90152a991c21SManish Rangankar 901613483730SMike Christie qla4xxx_destroy_fw_ddb_session(ha); 9017068237c8STej Parkash qla4_8xxx_free_sysfs_attr(ha); 901813483730SMike Christie 90191e9e2be3SAdheer Chandravanshi qla4xxx_sysfs_ddb_remove(ha); 9020afaf5a2dSDavid Somayajulu scsi_remove_host(ha->host); 9021afaf5a2dSDavid Somayajulu 9022afaf5a2dSDavid Somayajulu qla4xxx_free_adapter(ha); 9023afaf5a2dSDavid Somayajulu 9024afaf5a2dSDavid Somayajulu scsi_host_put(ha->host); 9025afaf5a2dSDavid Somayajulu 90262232be0dSLalit Chandivade pci_disable_pcie_error_reporting(pdev); 9027f4f5df23SVikas Chaudhary pci_disable_device(pdev); 9028afaf5a2dSDavid Somayajulu } 9029afaf5a2dSDavid Somayajulu 9030afaf5a2dSDavid Somayajulu /** 9031afaf5a2dSDavid Somayajulu * qla4xxx_config_dma_addressing() - Configure OS DMA addressing method. 9032afaf5a2dSDavid Somayajulu * @ha: HA context 9033afaf5a2dSDavid Somayajulu */ 903447975477SAdrian Bunk static void qla4xxx_config_dma_addressing(struct scsi_qla_host *ha) 9035afaf5a2dSDavid Somayajulu { 9036afaf5a2dSDavid Somayajulu /* Update our PCI device dma_mask for full 64 bit mask */ 9037ec44a676SChristoph Hellwig if (dma_set_mask_and_coherent(&ha->pdev->dev, DMA_BIT_MASK(64))) { 9038afaf5a2dSDavid Somayajulu dev_dbg(&ha->pdev->dev, 9039afaf5a2dSDavid Somayajulu "Failed to set 64 bit PCI consistent mask; " 9040afaf5a2dSDavid Somayajulu "using 32 bit.\n"); 9041ec44a676SChristoph Hellwig dma_set_mask_and_coherent(&ha->pdev->dev, DMA_BIT_MASK(32)); 9042afaf5a2dSDavid Somayajulu } 9043afaf5a2dSDavid Somayajulu } 9044afaf5a2dSDavid Somayajulu 9045afaf5a2dSDavid Somayajulu static int qla4xxx_slave_alloc(struct scsi_device *sdev) 9046afaf5a2dSDavid Somayajulu { 9047b3a271a9SManish Rangankar struct iscsi_cls_session *cls_sess; 9048b3a271a9SManish Rangankar struct iscsi_session *sess; 9049b3a271a9SManish Rangankar struct ddb_entry *ddb; 90508bb4033dSVikas Chaudhary int queue_depth = QL4_DEF_QDEPTH; 9051afaf5a2dSDavid Somayajulu 9052b3a271a9SManish Rangankar cls_sess = starget_to_session(sdev->sdev_target); 9053b3a271a9SManish Rangankar sess = cls_sess->dd_data; 9054b3a271a9SManish Rangankar ddb = sess->dd_data; 9055b3a271a9SManish Rangankar 9056afaf5a2dSDavid Somayajulu sdev->hostdata = ddb; 90578bb4033dSVikas Chaudhary 90588bb4033dSVikas Chaudhary if (ql4xmaxqdepth != 0 && ql4xmaxqdepth <= 0xffffU) 90598bb4033dSVikas Chaudhary queue_depth = ql4xmaxqdepth; 90608bb4033dSVikas Chaudhary 9061db5ed4dfSChristoph Hellwig scsi_change_queue_depth(sdev, queue_depth); 9062afaf5a2dSDavid Somayajulu return 0; 9063afaf5a2dSDavid Somayajulu } 9064afaf5a2dSDavid Somayajulu 9065afaf5a2dSDavid Somayajulu /** 9066afaf5a2dSDavid Somayajulu * qla4xxx_del_from_active_array - returns an active srb 9067afaf5a2dSDavid Somayajulu * @ha: Pointer to host adapter structure. 9068fd589a8fSAnand Gadiyar * @index: index into the active_array 9069afaf5a2dSDavid Somayajulu * 9070afaf5a2dSDavid Somayajulu * This routine removes and returns the srb at the specified index 9071afaf5a2dSDavid Somayajulu **/ 9072f4f5df23SVikas Chaudhary struct srb *qla4xxx_del_from_active_array(struct scsi_qla_host *ha, 9073f4f5df23SVikas Chaudhary uint32_t index) 9074afaf5a2dSDavid Somayajulu { 9075afaf5a2dSDavid Somayajulu struct srb *srb = NULL; 90765369887aSVikas Chaudhary struct scsi_cmnd *cmd = NULL; 9077afaf5a2dSDavid Somayajulu 90785369887aSVikas Chaudhary cmd = scsi_host_find_tag(ha->host, index); 90795369887aSVikas Chaudhary if (!cmd) 9080afaf5a2dSDavid Somayajulu return srb; 9081afaf5a2dSDavid Somayajulu 90825369887aSVikas Chaudhary srb = (struct srb *)CMD_SP(cmd); 90835369887aSVikas Chaudhary if (!srb) 9084afaf5a2dSDavid Somayajulu return srb; 9085afaf5a2dSDavid Somayajulu 9086afaf5a2dSDavid Somayajulu /* update counters */ 9087afaf5a2dSDavid Somayajulu if (srb->flags & SRB_DMA_VALID) { 9088afaf5a2dSDavid Somayajulu ha->iocb_cnt -= srb->iocb_cnt; 9089afaf5a2dSDavid Somayajulu if (srb->cmd) 90905369887aSVikas Chaudhary srb->cmd->host_scribble = 90915369887aSVikas Chaudhary (unsigned char *)(unsigned long) MAX_SRBS; 9092afaf5a2dSDavid Somayajulu } 9093afaf5a2dSDavid Somayajulu return srb; 9094afaf5a2dSDavid Somayajulu } 9095afaf5a2dSDavid Somayajulu 9096afaf5a2dSDavid Somayajulu /** 9097afaf5a2dSDavid Somayajulu * qla4xxx_eh_wait_on_command - waits for command to be returned by firmware 909809a0f719SVikas Chaudhary * @ha: Pointer to host adapter structure. 9099afaf5a2dSDavid Somayajulu * @cmd: Scsi Command to wait on. 9100afaf5a2dSDavid Somayajulu * 9101afaf5a2dSDavid Somayajulu * This routine waits for the command to be returned by the Firmware 9102afaf5a2dSDavid Somayajulu * for some max time. 9103afaf5a2dSDavid Somayajulu **/ 9104afaf5a2dSDavid Somayajulu static int qla4xxx_eh_wait_on_command(struct scsi_qla_host *ha, 9105afaf5a2dSDavid Somayajulu struct scsi_cmnd *cmd) 9106afaf5a2dSDavid Somayajulu { 9107afaf5a2dSDavid Somayajulu int done = 0; 9108afaf5a2dSDavid Somayajulu struct srb *rp; 9109afaf5a2dSDavid Somayajulu uint32_t max_wait_time = EH_WAIT_CMD_TOV; 91102232be0dSLalit Chandivade int ret = SUCCESS; 91112232be0dSLalit Chandivade 91122232be0dSLalit Chandivade /* Dont wait on command if PCI error is being handled 91132232be0dSLalit Chandivade * by PCI AER driver 91142232be0dSLalit Chandivade */ 91152232be0dSLalit Chandivade if (unlikely(pci_channel_offline(ha->pdev)) || 91162232be0dSLalit Chandivade (test_bit(AF_EEH_BUSY, &ha->flags))) { 91172232be0dSLalit Chandivade ql4_printk(KERN_WARNING, ha, "scsi%ld: Return from %s\n", 91182232be0dSLalit Chandivade ha->host_no, __func__); 91192232be0dSLalit Chandivade return ret; 91202232be0dSLalit Chandivade } 9121afaf5a2dSDavid Somayajulu 9122afaf5a2dSDavid Somayajulu do { 9123afaf5a2dSDavid Somayajulu /* Checking to see if its returned to OS */ 91245369887aSVikas Chaudhary rp = (struct srb *) CMD_SP(cmd); 9125afaf5a2dSDavid Somayajulu if (rp == NULL) { 9126afaf5a2dSDavid Somayajulu done++; 9127afaf5a2dSDavid Somayajulu break; 9128afaf5a2dSDavid Somayajulu } 9129afaf5a2dSDavid Somayajulu 9130afaf5a2dSDavid Somayajulu msleep(2000); 9131afaf5a2dSDavid Somayajulu } while (max_wait_time--); 9132afaf5a2dSDavid Somayajulu 9133afaf5a2dSDavid Somayajulu return done; 9134afaf5a2dSDavid Somayajulu } 9135afaf5a2dSDavid Somayajulu 9136afaf5a2dSDavid Somayajulu /** 9137afaf5a2dSDavid Somayajulu * qla4xxx_wait_for_hba_online - waits for HBA to come online 9138afaf5a2dSDavid Somayajulu * @ha: Pointer to host adapter structure 9139afaf5a2dSDavid Somayajulu **/ 9140afaf5a2dSDavid Somayajulu static int qla4xxx_wait_for_hba_online(struct scsi_qla_host *ha) 9141afaf5a2dSDavid Somayajulu { 9142afaf5a2dSDavid Somayajulu unsigned long wait_online; 9143afaf5a2dSDavid Somayajulu 9144f581a3f7SVikas Chaudhary wait_online = jiffies + (HBA_ONLINE_TOV * HZ); 9145afaf5a2dSDavid Somayajulu while (time_before(jiffies, wait_online)) { 9146afaf5a2dSDavid Somayajulu 9147afaf5a2dSDavid Somayajulu if (adapter_up(ha)) 9148afaf5a2dSDavid Somayajulu return QLA_SUCCESS; 9149afaf5a2dSDavid Somayajulu 9150afaf5a2dSDavid Somayajulu msleep(2000); 9151afaf5a2dSDavid Somayajulu } 9152afaf5a2dSDavid Somayajulu 9153afaf5a2dSDavid Somayajulu return QLA_ERROR; 9154afaf5a2dSDavid Somayajulu } 9155afaf5a2dSDavid Somayajulu 9156afaf5a2dSDavid Somayajulu /** 9157ce545039SMike Christie * qla4xxx_eh_wait_for_commands - wait for active cmds to finish. 9158fd589a8fSAnand Gadiyar * @ha: pointer to HBA 9159cdeeb36dSLee Jones * @stgt: pointer to SCSI target 9160cdeeb36dSLee Jones * @sdev: pointer to SCSI device 9161afaf5a2dSDavid Somayajulu * 9162afaf5a2dSDavid Somayajulu * This function waits for all outstanding commands to a lun to complete. It 9163afaf5a2dSDavid Somayajulu * returns 0 if all pending commands are returned and 1 otherwise. 9164afaf5a2dSDavid Somayajulu **/ 9165ce545039SMike Christie static int qla4xxx_eh_wait_for_commands(struct scsi_qla_host *ha, 9166ce545039SMike Christie struct scsi_target *stgt, 9167ce545039SMike Christie struct scsi_device *sdev) 9168afaf5a2dSDavid Somayajulu { 9169afaf5a2dSDavid Somayajulu int cnt; 9170afaf5a2dSDavid Somayajulu int status = 0; 9171afaf5a2dSDavid Somayajulu struct scsi_cmnd *cmd; 9172afaf5a2dSDavid Somayajulu 9173afaf5a2dSDavid Somayajulu /* 9174ce545039SMike Christie * Waiting for all commands for the designated target or dev 9175ce545039SMike Christie * in the active array 9176afaf5a2dSDavid Somayajulu */ 9177afaf5a2dSDavid Somayajulu for (cnt = 0; cnt < ha->host->can_queue; cnt++) { 9178afaf5a2dSDavid Somayajulu cmd = scsi_host_find_tag(ha->host, cnt); 9179ce545039SMike Christie if (cmd && stgt == scsi_target(cmd->device) && 9180ce545039SMike Christie (!sdev || sdev == cmd->device)) { 9181afaf5a2dSDavid Somayajulu if (!qla4xxx_eh_wait_on_command(ha, cmd)) { 9182afaf5a2dSDavid Somayajulu status++; 9183afaf5a2dSDavid Somayajulu break; 9184afaf5a2dSDavid Somayajulu } 9185afaf5a2dSDavid Somayajulu } 9186afaf5a2dSDavid Somayajulu } 9187afaf5a2dSDavid Somayajulu return status; 9188afaf5a2dSDavid Somayajulu } 9189afaf5a2dSDavid Somayajulu 9190afaf5a2dSDavid Somayajulu /** 919109a0f719SVikas Chaudhary * qla4xxx_eh_abort - callback for abort task. 919209a0f719SVikas Chaudhary * @cmd: Pointer to Linux's SCSI command structure 919309a0f719SVikas Chaudhary * 919409a0f719SVikas Chaudhary * This routine is called by the Linux OS to abort the specified 919509a0f719SVikas Chaudhary * command. 919609a0f719SVikas Chaudhary **/ 919709a0f719SVikas Chaudhary static int qla4xxx_eh_abort(struct scsi_cmnd *cmd) 919809a0f719SVikas Chaudhary { 919909a0f719SVikas Chaudhary struct scsi_qla_host *ha = to_qla_host(cmd->device->host); 920009a0f719SVikas Chaudhary unsigned int id = cmd->device->id; 92019cb78c16SHannes Reinecke uint64_t lun = cmd->device->lun; 920292b3e5bbSMike Christie unsigned long flags; 920309a0f719SVikas Chaudhary struct srb *srb = NULL; 920409a0f719SVikas Chaudhary int ret = SUCCESS; 920509a0f719SVikas Chaudhary int wait = 0; 92061bc5ad3aSManish Rangankar int rval; 920709a0f719SVikas Chaudhary 92089cb78c16SHannes Reinecke ql4_printk(KERN_INFO, ha, "scsi%ld:%d:%llu: Abort command issued cmd=%p, cdb=0x%x\n", 920963c9e814SVikas Chaudhary ha->host_no, id, lun, cmd, cmd->cmnd[0]); 921009a0f719SVikas Chaudhary 92111bc5ad3aSManish Rangankar rval = qla4xxx_isp_check_reg(ha); 92121bc5ad3aSManish Rangankar if (rval != QLA_SUCCESS) { 92131bc5ad3aSManish Rangankar ql4_printk(KERN_INFO, ha, "PCI/Register disconnect, exiting.\n"); 92141bc5ad3aSManish Rangankar return FAILED; 92151bc5ad3aSManish Rangankar } 92161bc5ad3aSManish Rangankar 921792b3e5bbSMike Christie spin_lock_irqsave(&ha->hardware_lock, flags); 921809a0f719SVikas Chaudhary srb = (struct srb *) CMD_SP(cmd); 921992b3e5bbSMike Christie if (!srb) { 922092b3e5bbSMike Christie spin_unlock_irqrestore(&ha->hardware_lock, flags); 92219cb78c16SHannes Reinecke ql4_printk(KERN_INFO, ha, "scsi%ld:%d:%llu: Specified command has already completed.\n", 922263c9e814SVikas Chaudhary ha->host_no, id, lun); 922309a0f719SVikas Chaudhary return SUCCESS; 922492b3e5bbSMike Christie } 922509a0f719SVikas Chaudhary kref_get(&srb->srb_ref); 922692b3e5bbSMike Christie spin_unlock_irqrestore(&ha->hardware_lock, flags); 922709a0f719SVikas Chaudhary 922809a0f719SVikas Chaudhary if (qla4xxx_abort_task(ha, srb) != QLA_SUCCESS) { 92299cb78c16SHannes Reinecke DEBUG3(printk("scsi%ld:%d:%llu: Abort_task mbx failed.\n", 923009a0f719SVikas Chaudhary ha->host_no, id, lun)); 923109a0f719SVikas Chaudhary ret = FAILED; 923209a0f719SVikas Chaudhary } else { 92339cb78c16SHannes Reinecke DEBUG3(printk("scsi%ld:%d:%llu: Abort_task mbx success.\n", 923409a0f719SVikas Chaudhary ha->host_no, id, lun)); 923509a0f719SVikas Chaudhary wait = 1; 923609a0f719SVikas Chaudhary } 923709a0f719SVikas Chaudhary 923809a0f719SVikas Chaudhary kref_put(&srb->srb_ref, qla4xxx_srb_compl); 923909a0f719SVikas Chaudhary 924009a0f719SVikas Chaudhary /* Wait for command to complete */ 924109a0f719SVikas Chaudhary if (wait) { 924209a0f719SVikas Chaudhary if (!qla4xxx_eh_wait_on_command(ha, cmd)) { 92439cb78c16SHannes Reinecke DEBUG2(printk("scsi%ld:%d:%llu: Abort handler timed out\n", 924409a0f719SVikas Chaudhary ha->host_no, id, lun)); 924509a0f719SVikas Chaudhary ret = FAILED; 924609a0f719SVikas Chaudhary } 924709a0f719SVikas Chaudhary } 924809a0f719SVikas Chaudhary 9249c2660df3SVikas Chaudhary ql4_printk(KERN_INFO, ha, 92509cb78c16SHannes Reinecke "scsi%ld:%d:%llu: Abort command - %s\n", 925125985edcSLucas De Marchi ha->host_no, id, lun, (ret == SUCCESS) ? "succeeded" : "failed"); 925209a0f719SVikas Chaudhary 925309a0f719SVikas Chaudhary return ret; 925409a0f719SVikas Chaudhary } 925509a0f719SVikas Chaudhary 925609a0f719SVikas Chaudhary /** 9257afaf5a2dSDavid Somayajulu * qla4xxx_eh_device_reset - callback for target reset. 9258afaf5a2dSDavid Somayajulu * @cmd: Pointer to Linux's SCSI command structure 9259afaf5a2dSDavid Somayajulu * 9260afaf5a2dSDavid Somayajulu * This routine is called by the Linux OS to reset all luns on the 9261afaf5a2dSDavid Somayajulu * specified target. 9262afaf5a2dSDavid Somayajulu **/ 9263afaf5a2dSDavid Somayajulu static int qla4xxx_eh_device_reset(struct scsi_cmnd *cmd) 9264afaf5a2dSDavid Somayajulu { 9265afaf5a2dSDavid Somayajulu struct scsi_qla_host *ha = to_qla_host(cmd->device->host); 9266afaf5a2dSDavid Somayajulu struct ddb_entry *ddb_entry = cmd->device->hostdata; 9267afaf5a2dSDavid Somayajulu int ret = FAILED, stat; 92681bc5ad3aSManish Rangankar int rval; 9269afaf5a2dSDavid Somayajulu 9270612f7348SKaren Higgins if (!ddb_entry) 9271afaf5a2dSDavid Somayajulu return ret; 9272afaf5a2dSDavid Somayajulu 9273c01be6dcSMike Christie ret = iscsi_block_scsi_eh(cmd); 9274c01be6dcSMike Christie if (ret) 9275c01be6dcSMike Christie return ret; 9276c01be6dcSMike Christie ret = FAILED; 9277c01be6dcSMike Christie 9278c2660df3SVikas Chaudhary ql4_printk(KERN_INFO, ha, 92799cb78c16SHannes Reinecke "scsi%ld:%d:%d:%llu: DEVICE RESET ISSUED.\n", ha->host_no, 9280afaf5a2dSDavid Somayajulu cmd->device->channel, cmd->device->id, cmd->device->lun); 9281afaf5a2dSDavid Somayajulu 9282afaf5a2dSDavid Somayajulu DEBUG2(printk(KERN_INFO 9283afaf5a2dSDavid Somayajulu "scsi%ld: DEVICE_RESET cmd=%p jiffies = 0x%lx, to=%x," 9284afaf5a2dSDavid Somayajulu "dpc_flags=%lx, status=%x allowed=%d\n", ha->host_no, 9285924b3d7aSBart Van Assche cmd, jiffies, scsi_cmd_to_rq(cmd)->timeout / HZ, 9286afaf5a2dSDavid Somayajulu ha->dpc_flags, cmd->result, cmd->allowed)); 9287afaf5a2dSDavid Somayajulu 92881bc5ad3aSManish Rangankar rval = qla4xxx_isp_check_reg(ha); 92891bc5ad3aSManish Rangankar if (rval != QLA_SUCCESS) { 92901bc5ad3aSManish Rangankar ql4_printk(KERN_INFO, ha, "PCI/Register disconnect, exiting.\n"); 92911bc5ad3aSManish Rangankar return FAILED; 92921bc5ad3aSManish Rangankar } 92931bc5ad3aSManish Rangankar 9294afaf5a2dSDavid Somayajulu /* FIXME: wait for hba to go online */ 9295afaf5a2dSDavid Somayajulu stat = qla4xxx_reset_lun(ha, ddb_entry, cmd->device->lun); 9296afaf5a2dSDavid Somayajulu if (stat != QLA_SUCCESS) { 9297c2660df3SVikas Chaudhary ql4_printk(KERN_INFO, ha, "DEVICE RESET FAILED. %d\n", stat); 9298afaf5a2dSDavid Somayajulu goto eh_dev_reset_done; 9299afaf5a2dSDavid Somayajulu } 9300afaf5a2dSDavid Somayajulu 9301ce545039SMike Christie if (qla4xxx_eh_wait_for_commands(ha, scsi_target(cmd->device), 9302ce545039SMike Christie cmd->device)) { 9303c2660df3SVikas Chaudhary ql4_printk(KERN_INFO, ha, 9304afaf5a2dSDavid Somayajulu "DEVICE RESET FAILED - waiting for " 9305afaf5a2dSDavid Somayajulu "commands.\n"); 9306afaf5a2dSDavid Somayajulu goto eh_dev_reset_done; 9307afaf5a2dSDavid Somayajulu } 9308afaf5a2dSDavid Somayajulu 93099d562913SDavid C Somayajulu /* Send marker. */ 93109d562913SDavid C Somayajulu if (qla4xxx_send_marker_iocb(ha, ddb_entry, cmd->device->lun, 93119d562913SDavid C Somayajulu MM_LUN_RESET) != QLA_SUCCESS) 93129d562913SDavid C Somayajulu goto eh_dev_reset_done; 93139d562913SDavid C Somayajulu 9314c2660df3SVikas Chaudhary ql4_printk(KERN_INFO, ha, 93159cb78c16SHannes Reinecke "scsi(%ld:%d:%d:%llu): DEVICE RESET SUCCEEDED.\n", 9316afaf5a2dSDavid Somayajulu ha->host_no, cmd->device->channel, cmd->device->id, 9317afaf5a2dSDavid Somayajulu cmd->device->lun); 9318afaf5a2dSDavid Somayajulu 9319afaf5a2dSDavid Somayajulu ret = SUCCESS; 9320afaf5a2dSDavid Somayajulu 9321afaf5a2dSDavid Somayajulu eh_dev_reset_done: 9322afaf5a2dSDavid Somayajulu 9323afaf5a2dSDavid Somayajulu return ret; 9324afaf5a2dSDavid Somayajulu } 9325afaf5a2dSDavid Somayajulu 9326afaf5a2dSDavid Somayajulu /** 9327ce545039SMike Christie * qla4xxx_eh_target_reset - callback for target reset. 9328ce545039SMike Christie * @cmd: Pointer to Linux's SCSI command structure 9329ce545039SMike Christie * 9330ce545039SMike Christie * This routine is called by the Linux OS to reset the target. 9331ce545039SMike Christie **/ 9332ce545039SMike Christie static int qla4xxx_eh_target_reset(struct scsi_cmnd *cmd) 9333ce545039SMike Christie { 9334ce545039SMike Christie struct scsi_qla_host *ha = to_qla_host(cmd->device->host); 9335ce545039SMike Christie struct ddb_entry *ddb_entry = cmd->device->hostdata; 9336c01be6dcSMike Christie int stat, ret; 93371bc5ad3aSManish Rangankar int rval; 9338ce545039SMike Christie 9339ce545039SMike Christie if (!ddb_entry) 9340ce545039SMike Christie return FAILED; 9341ce545039SMike Christie 9342c01be6dcSMike Christie ret = iscsi_block_scsi_eh(cmd); 9343c01be6dcSMike Christie if (ret) 9344c01be6dcSMike Christie return ret; 9345c01be6dcSMike Christie 9346ce545039SMike Christie starget_printk(KERN_INFO, scsi_target(cmd->device), 9347ce545039SMike Christie "WARM TARGET RESET ISSUED.\n"); 9348ce545039SMike Christie 9349ce545039SMike Christie DEBUG2(printk(KERN_INFO 9350ce545039SMike Christie "scsi%ld: TARGET_DEVICE_RESET cmd=%p jiffies = 0x%lx, " 9351ce545039SMike Christie "to=%x,dpc_flags=%lx, status=%x allowed=%d\n", 9352924b3d7aSBart Van Assche ha->host_no, cmd, jiffies, scsi_cmd_to_rq(cmd)->timeout / HZ, 9353ce545039SMike Christie ha->dpc_flags, cmd->result, cmd->allowed)); 9354ce545039SMike Christie 93551bc5ad3aSManish Rangankar rval = qla4xxx_isp_check_reg(ha); 93561bc5ad3aSManish Rangankar if (rval != QLA_SUCCESS) { 93571bc5ad3aSManish Rangankar ql4_printk(KERN_INFO, ha, "PCI/Register disconnect, exiting.\n"); 93581bc5ad3aSManish Rangankar return FAILED; 93591bc5ad3aSManish Rangankar } 93601bc5ad3aSManish Rangankar 9361ce545039SMike Christie stat = qla4xxx_reset_target(ha, ddb_entry); 9362ce545039SMike Christie if (stat != QLA_SUCCESS) { 9363ce545039SMike Christie starget_printk(KERN_INFO, scsi_target(cmd->device), 9364ce545039SMike Christie "WARM TARGET RESET FAILED.\n"); 9365ce545039SMike Christie return FAILED; 9366ce545039SMike Christie } 9367ce545039SMike Christie 9368ce545039SMike Christie if (qla4xxx_eh_wait_for_commands(ha, scsi_target(cmd->device), 9369ce545039SMike Christie NULL)) { 9370ce545039SMike Christie starget_printk(KERN_INFO, scsi_target(cmd->device), 9371ce545039SMike Christie "WARM TARGET DEVICE RESET FAILED - " 9372ce545039SMike Christie "waiting for commands.\n"); 9373ce545039SMike Christie return FAILED; 9374ce545039SMike Christie } 9375ce545039SMike Christie 93769d562913SDavid C Somayajulu /* Send marker. */ 93779d562913SDavid C Somayajulu if (qla4xxx_send_marker_iocb(ha, ddb_entry, cmd->device->lun, 93789d562913SDavid C Somayajulu MM_TGT_WARM_RESET) != QLA_SUCCESS) { 93799d562913SDavid C Somayajulu starget_printk(KERN_INFO, scsi_target(cmd->device), 93809d562913SDavid C Somayajulu "WARM TARGET DEVICE RESET FAILED - " 93819d562913SDavid C Somayajulu "marker iocb failed.\n"); 93829d562913SDavid C Somayajulu return FAILED; 93839d562913SDavid C Somayajulu } 93849d562913SDavid C Somayajulu 9385ce545039SMike Christie starget_printk(KERN_INFO, scsi_target(cmd->device), 9386ce545039SMike Christie "WARM TARGET RESET SUCCEEDED.\n"); 9387ce545039SMike Christie return SUCCESS; 9388ce545039SMike Christie } 9389ce545039SMike Christie 9390ce545039SMike Christie /** 93918a288960SSarang Radke * qla4xxx_is_eh_active - check if error handler is running 93928a288960SSarang Radke * @shost: Pointer to SCSI Host struct 93938a288960SSarang Radke * 93948a288960SSarang Radke * This routine finds that if reset host is called in EH 93958a288960SSarang Radke * scenario or from some application like sg_reset 93968a288960SSarang Radke **/ 93978a288960SSarang Radke static int qla4xxx_is_eh_active(struct Scsi_Host *shost) 93988a288960SSarang Radke { 93998a288960SSarang Radke if (shost->shost_state == SHOST_RECOVERY) 94008a288960SSarang Radke return 1; 94018a288960SSarang Radke return 0; 94028a288960SSarang Radke } 94038a288960SSarang Radke 94048a288960SSarang Radke /** 9405afaf5a2dSDavid Somayajulu * qla4xxx_eh_host_reset - kernel callback 9406afaf5a2dSDavid Somayajulu * @cmd: Pointer to Linux's SCSI command structure 9407afaf5a2dSDavid Somayajulu * 9408afaf5a2dSDavid Somayajulu * This routine is invoked by the Linux kernel to perform fatal error 9409afaf5a2dSDavid Somayajulu * recovery on the specified adapter. 9410afaf5a2dSDavid Somayajulu **/ 9411afaf5a2dSDavid Somayajulu static int qla4xxx_eh_host_reset(struct scsi_cmnd *cmd) 9412afaf5a2dSDavid Somayajulu { 9413afaf5a2dSDavid Somayajulu int return_status = FAILED; 9414afaf5a2dSDavid Somayajulu struct scsi_qla_host *ha; 94151bc5ad3aSManish Rangankar int rval; 9416afaf5a2dSDavid Somayajulu 9417b3a271a9SManish Rangankar ha = to_qla_host(cmd->device->host); 9418afaf5a2dSDavid Somayajulu 94191bc5ad3aSManish Rangankar rval = qla4xxx_isp_check_reg(ha); 94201bc5ad3aSManish Rangankar if (rval != QLA_SUCCESS) { 94211bc5ad3aSManish Rangankar ql4_printk(KERN_INFO, ha, "PCI/Register disconnect, exiting.\n"); 94221bc5ad3aSManish Rangankar return FAILED; 94231bc5ad3aSManish Rangankar } 94241bc5ad3aSManish Rangankar 9425b37ca418SVikas Chaudhary if ((is_qla8032(ha) || is_qla8042(ha)) && ql4xdontresethba) 94266e7b4292SVikas Chaudhary qla4_83xx_set_idc_dontreset(ha); 94276e7b4292SVikas Chaudhary 94286e7b4292SVikas Chaudhary /* 9429b37ca418SVikas Chaudhary * For ISP8324 and ISP8042, if IDC_CTRL DONTRESET_BIT0 is set by other 9430b37ca418SVikas Chaudhary * protocol drivers, we should not set device_state to NEED_RESET 94316e7b4292SVikas Chaudhary */ 94326e7b4292SVikas Chaudhary if (ql4xdontresethba || 9433b37ca418SVikas Chaudhary ((is_qla8032(ha) || is_qla8042(ha)) && 9434b37ca418SVikas Chaudhary qla4_83xx_idc_dontreset(ha))) { 9435f4f5df23SVikas Chaudhary DEBUG2(printk("scsi%ld: %s: Don't Reset HBA\n", 9436f4f5df23SVikas Chaudhary ha->host_no, __func__)); 94378a288960SSarang Radke 94388a288960SSarang Radke /* Clear outstanding srb in queues */ 94398a288960SSarang Radke if (qla4xxx_is_eh_active(cmd->device->host)) 94408a288960SSarang Radke qla4xxx_abort_active_cmds(ha, DID_ABORT << 16); 94418a288960SSarang Radke 9442f4f5df23SVikas Chaudhary return FAILED; 9443f4f5df23SVikas Chaudhary } 9444f4f5df23SVikas Chaudhary 9445c2660df3SVikas Chaudhary ql4_printk(KERN_INFO, ha, 94469cb78c16SHannes Reinecke "scsi(%ld:%d:%d:%llu): HOST RESET ISSUED.\n", ha->host_no, 9447afaf5a2dSDavid Somayajulu cmd->device->channel, cmd->device->id, cmd->device->lun); 9448afaf5a2dSDavid Somayajulu 9449afaf5a2dSDavid Somayajulu if (qla4xxx_wait_for_hba_online(ha) != QLA_SUCCESS) { 9450afaf5a2dSDavid Somayajulu DEBUG2(printk("scsi%ld:%d: %s: Unable to reset host. Adapter " 9451afaf5a2dSDavid Somayajulu "DEAD.\n", ha->host_no, cmd->device->channel, 9452afaf5a2dSDavid Somayajulu __func__)); 9453afaf5a2dSDavid Somayajulu 9454afaf5a2dSDavid Somayajulu return FAILED; 9455afaf5a2dSDavid Somayajulu } 9456afaf5a2dSDavid Somayajulu 9457f4f5df23SVikas Chaudhary if (!test_bit(DPC_RESET_HA, &ha->dpc_flags)) { 94586e7b4292SVikas Chaudhary if (is_qla80XX(ha)) 9459f4f5df23SVikas Chaudhary set_bit(DPC_RESET_HA_FW_CONTEXT, &ha->dpc_flags); 9460f4f5df23SVikas Chaudhary else 9461f4f5df23SVikas Chaudhary set_bit(DPC_RESET_HA, &ha->dpc_flags); 9462f4f5df23SVikas Chaudhary } 946350a29aecSMike Christie 9464f4f5df23SVikas Chaudhary if (qla4xxx_recover_adapter(ha) == QLA_SUCCESS) 9465afaf5a2dSDavid Somayajulu return_status = SUCCESS; 9466afaf5a2dSDavid Somayajulu 9467c2660df3SVikas Chaudhary ql4_printk(KERN_INFO, ha, "HOST RESET %s.\n", 946825985edcSLucas De Marchi return_status == FAILED ? "FAILED" : "SUCCEEDED"); 9469afaf5a2dSDavid Somayajulu 9470afaf5a2dSDavid Somayajulu return return_status; 9471afaf5a2dSDavid Somayajulu } 9472afaf5a2dSDavid Somayajulu 947395d31262SVikas Chaudhary static int qla4xxx_context_reset(struct scsi_qla_host *ha) 947495d31262SVikas Chaudhary { 947595d31262SVikas Chaudhary uint32_t mbox_cmd[MBOX_REG_COUNT]; 947695d31262SVikas Chaudhary uint32_t mbox_sts[MBOX_REG_COUNT]; 947795d31262SVikas Chaudhary struct addr_ctrl_blk_def *acb = NULL; 947895d31262SVikas Chaudhary uint32_t acb_len = sizeof(struct addr_ctrl_blk_def); 947995d31262SVikas Chaudhary int rval = QLA_SUCCESS; 948095d31262SVikas Chaudhary dma_addr_t acb_dma; 948195d31262SVikas Chaudhary 948295d31262SVikas Chaudhary acb = dma_alloc_coherent(&ha->pdev->dev, 948395d31262SVikas Chaudhary sizeof(struct addr_ctrl_blk_def), 948495d31262SVikas Chaudhary &acb_dma, GFP_KERNEL); 948595d31262SVikas Chaudhary if (!acb) { 948695d31262SVikas Chaudhary ql4_printk(KERN_ERR, ha, "%s: Unable to alloc acb\n", 948795d31262SVikas Chaudhary __func__); 948895d31262SVikas Chaudhary rval = -ENOMEM; 948995d31262SVikas Chaudhary goto exit_port_reset; 949095d31262SVikas Chaudhary } 949195d31262SVikas Chaudhary 949295d31262SVikas Chaudhary memset(acb, 0, acb_len); 949395d31262SVikas Chaudhary 949495d31262SVikas Chaudhary rval = qla4xxx_get_acb(ha, acb_dma, PRIMARI_ACB, acb_len); 949595d31262SVikas Chaudhary if (rval != QLA_SUCCESS) { 949695d31262SVikas Chaudhary rval = -EIO; 949795d31262SVikas Chaudhary goto exit_free_acb; 949895d31262SVikas Chaudhary } 949995d31262SVikas Chaudhary 950095d31262SVikas Chaudhary rval = qla4xxx_disable_acb(ha); 950195d31262SVikas Chaudhary if (rval != QLA_SUCCESS) { 950295d31262SVikas Chaudhary rval = -EIO; 950395d31262SVikas Chaudhary goto exit_free_acb; 950495d31262SVikas Chaudhary } 950595d31262SVikas Chaudhary 950695d31262SVikas Chaudhary wait_for_completion_timeout(&ha->disable_acb_comp, 950795d31262SVikas Chaudhary DISABLE_ACB_TOV * HZ); 950895d31262SVikas Chaudhary 950995d31262SVikas Chaudhary rval = qla4xxx_set_acb(ha, &mbox_cmd[0], &mbox_sts[0], acb_dma); 951095d31262SVikas Chaudhary if (rval != QLA_SUCCESS) { 951195d31262SVikas Chaudhary rval = -EIO; 951295d31262SVikas Chaudhary goto exit_free_acb; 951395d31262SVikas Chaudhary } 951495d31262SVikas Chaudhary 951595d31262SVikas Chaudhary exit_free_acb: 951695d31262SVikas Chaudhary dma_free_coherent(&ha->pdev->dev, sizeof(struct addr_ctrl_blk_def), 951795d31262SVikas Chaudhary acb, acb_dma); 951895d31262SVikas Chaudhary exit_port_reset: 951995d31262SVikas Chaudhary DEBUG2(ql4_printk(KERN_INFO, ha, "%s %s\n", __func__, 952095d31262SVikas Chaudhary rval == QLA_SUCCESS ? "SUCCEEDED" : "FAILED")); 952195d31262SVikas Chaudhary return rval; 952295d31262SVikas Chaudhary } 952395d31262SVikas Chaudhary 952495d31262SVikas Chaudhary static int qla4xxx_host_reset(struct Scsi_Host *shost, int reset_type) 952595d31262SVikas Chaudhary { 952695d31262SVikas Chaudhary struct scsi_qla_host *ha = to_qla_host(shost); 952795d31262SVikas Chaudhary int rval = QLA_SUCCESS; 9528ebd777deSVikas Chaudhary uint32_t idc_ctrl; 952995d31262SVikas Chaudhary 953095d31262SVikas Chaudhary if (ql4xdontresethba) { 953195d31262SVikas Chaudhary DEBUG2(ql4_printk(KERN_INFO, ha, "%s: Don't Reset HBA\n", 953295d31262SVikas Chaudhary __func__)); 953395d31262SVikas Chaudhary rval = -EPERM; 953495d31262SVikas Chaudhary goto exit_host_reset; 953595d31262SVikas Chaudhary } 953695d31262SVikas Chaudhary 953795d31262SVikas Chaudhary if (test_bit(DPC_RESET_HA, &ha->dpc_flags)) 953895d31262SVikas Chaudhary goto recover_adapter; 953995d31262SVikas Chaudhary 954095d31262SVikas Chaudhary switch (reset_type) { 954195d31262SVikas Chaudhary case SCSI_ADAPTER_RESET: 954295d31262SVikas Chaudhary set_bit(DPC_RESET_HA, &ha->dpc_flags); 954395d31262SVikas Chaudhary break; 954495d31262SVikas Chaudhary case SCSI_FIRMWARE_RESET: 954595d31262SVikas Chaudhary if (!test_bit(DPC_RESET_HA, &ha->dpc_flags)) { 95466e7b4292SVikas Chaudhary if (is_qla80XX(ha)) 954795d31262SVikas Chaudhary /* set firmware context reset */ 954895d31262SVikas Chaudhary set_bit(DPC_RESET_HA_FW_CONTEXT, 954995d31262SVikas Chaudhary &ha->dpc_flags); 955095d31262SVikas Chaudhary else { 955195d31262SVikas Chaudhary rval = qla4xxx_context_reset(ha); 955295d31262SVikas Chaudhary goto exit_host_reset; 955395d31262SVikas Chaudhary } 955495d31262SVikas Chaudhary } 955595d31262SVikas Chaudhary break; 955695d31262SVikas Chaudhary } 955795d31262SVikas Chaudhary 955895d31262SVikas Chaudhary recover_adapter: 9559b37ca418SVikas Chaudhary /* For ISP8324 and ISP8042 set graceful reset bit in IDC_DRV_CTRL if 9560ebd777deSVikas Chaudhary * reset is issued by application */ 9561b37ca418SVikas Chaudhary if ((is_qla8032(ha) || is_qla8042(ha)) && 9562b37ca418SVikas Chaudhary test_bit(DPC_RESET_HA, &ha->dpc_flags)) { 9563ebd777deSVikas Chaudhary idc_ctrl = qla4_83xx_rd_reg(ha, QLA83XX_IDC_DRV_CTRL); 9564ebd777deSVikas Chaudhary qla4_83xx_wr_reg(ha, QLA83XX_IDC_DRV_CTRL, 9565ebd777deSVikas Chaudhary (idc_ctrl | GRACEFUL_RESET_BIT1)); 9566ebd777deSVikas Chaudhary } 9567ebd777deSVikas Chaudhary 956895d31262SVikas Chaudhary rval = qla4xxx_recover_adapter(ha); 956995d31262SVikas Chaudhary if (rval != QLA_SUCCESS) { 957095d31262SVikas Chaudhary DEBUG2(ql4_printk(KERN_INFO, ha, "%s: recover adapter fail\n", 957195d31262SVikas Chaudhary __func__)); 957295d31262SVikas Chaudhary rval = -EIO; 957395d31262SVikas Chaudhary } 957495d31262SVikas Chaudhary 957595d31262SVikas Chaudhary exit_host_reset: 957695d31262SVikas Chaudhary return rval; 957795d31262SVikas Chaudhary } 957895d31262SVikas Chaudhary 95792232be0dSLalit Chandivade /* PCI AER driver recovers from all correctable errors w/o 95802232be0dSLalit Chandivade * driver intervention. For uncorrectable errors PCI AER 95812232be0dSLalit Chandivade * driver calls the following device driver's callbacks 95822232be0dSLalit Chandivade * 95832232be0dSLalit Chandivade * - Fatal Errors - link_reset 9584364757e4SCao jin * - Non-Fatal Errors - driver's error_detected() which 95852232be0dSLalit Chandivade * returns CAN_RECOVER, NEED_RESET or DISCONNECT. 95862232be0dSLalit Chandivade * 95872232be0dSLalit Chandivade * PCI AER driver calls 9588364757e4SCao jin * CAN_RECOVER - driver's mmio_enabled(), mmio_enabled() 95892232be0dSLalit Chandivade * returns RECOVERED or NEED_RESET if fw_hung 95902232be0dSLalit Chandivade * NEED_RESET - driver's slot_reset() 95912232be0dSLalit Chandivade * DISCONNECT - device is dead & cannot recover 9592364757e4SCao jin * RECOVERED - driver's resume() 95932232be0dSLalit Chandivade */ 95942232be0dSLalit Chandivade static pci_ers_result_t 95952232be0dSLalit Chandivade qla4xxx_pci_error_detected(struct pci_dev *pdev, pci_channel_state_t state) 95962232be0dSLalit Chandivade { 95972232be0dSLalit Chandivade struct scsi_qla_host *ha = pci_get_drvdata(pdev); 95982232be0dSLalit Chandivade 95992232be0dSLalit Chandivade ql4_printk(KERN_WARNING, ha, "scsi%ld: %s: error detected:state %x\n", 96002232be0dSLalit Chandivade ha->host_no, __func__, state); 96012232be0dSLalit Chandivade 96022232be0dSLalit Chandivade if (!is_aer_supported(ha)) 96032232be0dSLalit Chandivade return PCI_ERS_RESULT_NONE; 96042232be0dSLalit Chandivade 96052232be0dSLalit Chandivade switch (state) { 96062232be0dSLalit Chandivade case pci_channel_io_normal: 96072232be0dSLalit Chandivade clear_bit(AF_EEH_BUSY, &ha->flags); 96082232be0dSLalit Chandivade return PCI_ERS_RESULT_CAN_RECOVER; 96092232be0dSLalit Chandivade case pci_channel_io_frozen: 96102232be0dSLalit Chandivade set_bit(AF_EEH_BUSY, &ha->flags); 96112232be0dSLalit Chandivade qla4xxx_mailbox_premature_completion(ha); 96122232be0dSLalit Chandivade qla4xxx_free_irqs(ha); 96132232be0dSLalit Chandivade pci_disable_device(pdev); 96147b3595dfSVikas Chaudhary /* Return back all IOs */ 96157b3595dfSVikas Chaudhary qla4xxx_abort_active_cmds(ha, DID_RESET << 16); 96162232be0dSLalit Chandivade return PCI_ERS_RESULT_NEED_RESET; 96172232be0dSLalit Chandivade case pci_channel_io_perm_failure: 96182232be0dSLalit Chandivade set_bit(AF_EEH_BUSY, &ha->flags); 96192232be0dSLalit Chandivade set_bit(AF_PCI_CHANNEL_IO_PERM_FAILURE, &ha->flags); 96202232be0dSLalit Chandivade qla4xxx_abort_active_cmds(ha, DID_NO_CONNECT << 16); 96212232be0dSLalit Chandivade return PCI_ERS_RESULT_DISCONNECT; 96222232be0dSLalit Chandivade } 96232232be0dSLalit Chandivade return PCI_ERS_RESULT_NEED_RESET; 96242232be0dSLalit Chandivade } 96252232be0dSLalit Chandivade 96262232be0dSLalit Chandivade /** 9627ecef0c9eSLee Jones * qla4xxx_pci_mmio_enabled() - gets called if 96282232be0dSLalit Chandivade * qla4xxx_pci_error_detected() returns PCI_ERS_RESULT_CAN_RECOVER 96292232be0dSLalit Chandivade * and read/write to the device still works. 9630cdeeb36dSLee Jones * @pdev: PCI device pointer 96312232be0dSLalit Chandivade **/ 96322232be0dSLalit Chandivade static pci_ers_result_t 96332232be0dSLalit Chandivade qla4xxx_pci_mmio_enabled(struct pci_dev *pdev) 96342232be0dSLalit Chandivade { 96352232be0dSLalit Chandivade struct scsi_qla_host *ha = pci_get_drvdata(pdev); 96362232be0dSLalit Chandivade 96372232be0dSLalit Chandivade if (!is_aer_supported(ha)) 96382232be0dSLalit Chandivade return PCI_ERS_RESULT_NONE; 96392232be0dSLalit Chandivade 96402232be0dSLalit Chandivade return PCI_ERS_RESULT_RECOVERED; 96412232be0dSLalit Chandivade } 96422232be0dSLalit Chandivade 96437b3595dfSVikas Chaudhary static uint32_t qla4_8xxx_error_recovery(struct scsi_qla_host *ha) 96442232be0dSLalit Chandivade { 96452232be0dSLalit Chandivade uint32_t rval = QLA_ERROR; 96462232be0dSLalit Chandivade int fn; 96472232be0dSLalit Chandivade struct pci_dev *other_pdev = NULL; 96482232be0dSLalit Chandivade 96492232be0dSLalit Chandivade ql4_printk(KERN_WARNING, ha, "scsi%ld: In %s\n", ha->host_no, __func__); 96502232be0dSLalit Chandivade 96512232be0dSLalit Chandivade set_bit(DPC_RESET_ACTIVE, &ha->dpc_flags); 96522232be0dSLalit Chandivade 96532232be0dSLalit Chandivade if (test_bit(AF_ONLINE, &ha->flags)) { 96542232be0dSLalit Chandivade clear_bit(AF_ONLINE, &ha->flags); 9655b3a271a9SManish Rangankar clear_bit(AF_LINK_UP, &ha->flags); 9656b3a271a9SManish Rangankar iscsi_host_for_each_session(ha->host, qla4xxx_fail_session); 96572232be0dSLalit Chandivade qla4xxx_process_aen(ha, FLUSH_DDB_CHANGED_AENS); 96582232be0dSLalit Chandivade } 96592232be0dSLalit Chandivade 96602232be0dSLalit Chandivade fn = PCI_FUNC(ha->pdev->devfn); 9661daa34eb4STej Parkash if (is_qla8022(ha)) { 96622232be0dSLalit Chandivade while (fn > 0) { 96632232be0dSLalit Chandivade fn--; 9664daa34eb4STej Parkash ql4_printk(KERN_INFO, ha, "scsi%ld: %s: Finding PCI device at func %x\n", 9665daa34eb4STej Parkash ha->host_no, __func__, fn); 96662232be0dSLalit Chandivade /* Get the pci device given the domain, bus, 96672232be0dSLalit Chandivade * slot/function number */ 9668daa34eb4STej Parkash other_pdev = pci_get_domain_bus_and_slot( 9669daa34eb4STej Parkash pci_domain_nr(ha->pdev->bus), 9670daa34eb4STej Parkash ha->pdev->bus->number, 9671daa34eb4STej Parkash PCI_DEVFN(PCI_SLOT(ha->pdev->devfn), 96722232be0dSLalit Chandivade fn)); 96732232be0dSLalit Chandivade 96742232be0dSLalit Chandivade if (!other_pdev) 96752232be0dSLalit Chandivade continue; 96762232be0dSLalit Chandivade 96772232be0dSLalit Chandivade if (atomic_read(&other_pdev->enable_cnt)) { 9678daa34eb4STej Parkash ql4_printk(KERN_INFO, ha, "scsi%ld: %s: Found PCI func in enabled state%x\n", 9679daa34eb4STej Parkash ha->host_no, __func__, fn); 96802232be0dSLalit Chandivade pci_dev_put(other_pdev); 96812232be0dSLalit Chandivade break; 96822232be0dSLalit Chandivade } 96832232be0dSLalit Chandivade pci_dev_put(other_pdev); 96842232be0dSLalit Chandivade } 9685daa34eb4STej Parkash } else { 9686daa34eb4STej Parkash /* this case is meant for ISP83xx/ISP84xx only */ 9687daa34eb4STej Parkash if (qla4_83xx_can_perform_reset(ha)) { 9688daa34eb4STej Parkash /* reset fn as iSCSI is going to perform the reset */ 9689daa34eb4STej Parkash fn = 0; 9690daa34eb4STej Parkash } 9691daa34eb4STej Parkash } 96922232be0dSLalit Chandivade 96932232be0dSLalit Chandivade /* The first function on the card, the reset owner will 96942232be0dSLalit Chandivade * start & initialize the firmware. The other functions 96952232be0dSLalit Chandivade * on the card will reset the firmware context 96962232be0dSLalit Chandivade */ 96972232be0dSLalit Chandivade if (!fn) { 96982232be0dSLalit Chandivade ql4_printk(KERN_INFO, ha, "scsi%ld: %s: devfn being reset " 96992232be0dSLalit Chandivade "0x%x is the owner\n", ha->host_no, __func__, 97002232be0dSLalit Chandivade ha->pdev->devfn); 97012232be0dSLalit Chandivade 970233693c7aSVikas Chaudhary ha->isp_ops->idc_lock(ha); 970333693c7aSVikas Chaudhary qla4_8xxx_wr_direct(ha, QLA8XXX_CRB_DEV_STATE, 9704de8c72daSVikas Chaudhary QLA8XXX_DEV_COLD); 970533693c7aSVikas Chaudhary ha->isp_ops->idc_unlock(ha); 97062232be0dSLalit Chandivade 970739c95826SVikas Chaudhary rval = qla4_8xxx_update_idc_reg(ha); 970839c95826SVikas Chaudhary if (rval == QLA_ERROR) { 970939c95826SVikas Chaudhary ql4_printk(KERN_INFO, ha, "scsi%ld: %s: HW State: FAILED\n", 971039c95826SVikas Chaudhary ha->host_no, __func__); 971139c95826SVikas Chaudhary ha->isp_ops->idc_lock(ha); 971239c95826SVikas Chaudhary qla4_8xxx_wr_direct(ha, QLA8XXX_CRB_DEV_STATE, 971339c95826SVikas Chaudhary QLA8XXX_DEV_FAILED); 971439c95826SVikas Chaudhary ha->isp_ops->idc_unlock(ha); 971539c95826SVikas Chaudhary goto exit_error_recovery; 971639c95826SVikas Chaudhary } 97172232be0dSLalit Chandivade 97182232be0dSLalit Chandivade clear_bit(AF_FW_RECOVERY, &ha->flags); 971913483730SMike Christie rval = qla4xxx_initialize_adapter(ha, RESET_ADAPTER); 97202232be0dSLalit Chandivade 97212232be0dSLalit Chandivade if (rval != QLA_SUCCESS) { 97222232be0dSLalit Chandivade ql4_printk(KERN_INFO, ha, "scsi%ld: %s: HW State: " 97232232be0dSLalit Chandivade "FAILED\n", ha->host_no, __func__); 972437418cc6SNilesh Javali qla4xxx_free_irqs(ha); 972582761907SPoornima Vonti ha->isp_ops->idc_lock(ha); 97262232be0dSLalit Chandivade qla4_8xxx_clear_drv_active(ha); 972733693c7aSVikas Chaudhary qla4_8xxx_wr_direct(ha, QLA8XXX_CRB_DEV_STATE, 9728de8c72daSVikas Chaudhary QLA8XXX_DEV_FAILED); 972982761907SPoornima Vonti ha->isp_ops->idc_unlock(ha); 97302232be0dSLalit Chandivade } else { 97312232be0dSLalit Chandivade ql4_printk(KERN_INFO, ha, "scsi%ld: %s: HW State: " 97322232be0dSLalit Chandivade "READY\n", ha->host_no, __func__); 973382761907SPoornima Vonti ha->isp_ops->idc_lock(ha); 973433693c7aSVikas Chaudhary qla4_8xxx_wr_direct(ha, QLA8XXX_CRB_DEV_STATE, 9735de8c72daSVikas Chaudhary QLA8XXX_DEV_READY); 97362232be0dSLalit Chandivade /* Clear driver state register */ 973733693c7aSVikas Chaudhary qla4_8xxx_wr_direct(ha, QLA8XXX_CRB_DRV_STATE, 0); 97382232be0dSLalit Chandivade qla4_8xxx_set_drv_active(ha); 973982761907SPoornima Vonti ha->isp_ops->idc_unlock(ha); 97402232be0dSLalit Chandivade ha->isp_ops->enable_intrs(ha); 97412232be0dSLalit Chandivade } 97422232be0dSLalit Chandivade } else { 97432232be0dSLalit Chandivade ql4_printk(KERN_INFO, ha, "scsi%ld: %s: devfn 0x%x is not " 97442232be0dSLalit Chandivade "the reset owner\n", ha->host_no, __func__, 97452232be0dSLalit Chandivade ha->pdev->devfn); 974633693c7aSVikas Chaudhary if ((qla4_8xxx_rd_direct(ha, QLA8XXX_CRB_DEV_STATE) == 9747de8c72daSVikas Chaudhary QLA8XXX_DEV_READY)) { 97482232be0dSLalit Chandivade clear_bit(AF_FW_RECOVERY, &ha->flags); 974913483730SMike Christie rval = qla4xxx_initialize_adapter(ha, RESET_ADAPTER); 9750137257daSPoornima Vonti if (rval == QLA_SUCCESS) 97512232be0dSLalit Chandivade ha->isp_ops->enable_intrs(ha); 975237418cc6SNilesh Javali else 975337418cc6SNilesh Javali qla4xxx_free_irqs(ha); 9754137257daSPoornima Vonti 975533693c7aSVikas Chaudhary ha->isp_ops->idc_lock(ha); 97562232be0dSLalit Chandivade qla4_8xxx_set_drv_active(ha); 975733693c7aSVikas Chaudhary ha->isp_ops->idc_unlock(ha); 97582232be0dSLalit Chandivade } 97592232be0dSLalit Chandivade } 976039c95826SVikas Chaudhary exit_error_recovery: 97612232be0dSLalit Chandivade clear_bit(DPC_RESET_ACTIVE, &ha->dpc_flags); 97622232be0dSLalit Chandivade return rval; 97632232be0dSLalit Chandivade } 97642232be0dSLalit Chandivade 97652232be0dSLalit Chandivade static pci_ers_result_t 97662232be0dSLalit Chandivade qla4xxx_pci_slot_reset(struct pci_dev *pdev) 97672232be0dSLalit Chandivade { 97682232be0dSLalit Chandivade pci_ers_result_t ret = PCI_ERS_RESULT_DISCONNECT; 97692232be0dSLalit Chandivade struct scsi_qla_host *ha = pci_get_drvdata(pdev); 97702232be0dSLalit Chandivade int rc; 97712232be0dSLalit Chandivade 97722232be0dSLalit Chandivade ql4_printk(KERN_WARNING, ha, "scsi%ld: %s: slot_reset\n", 97732232be0dSLalit Chandivade ha->host_no, __func__); 97742232be0dSLalit Chandivade 97752232be0dSLalit Chandivade if (!is_aer_supported(ha)) 97762232be0dSLalit Chandivade return PCI_ERS_RESULT_NONE; 97772232be0dSLalit Chandivade 97782232be0dSLalit Chandivade /* Restore the saved state of PCIe device - 97792232be0dSLalit Chandivade * BAR registers, PCI Config space, PCIX, MSI, 97802232be0dSLalit Chandivade * IOV states 97812232be0dSLalit Chandivade */ 97822232be0dSLalit Chandivade pci_restore_state(pdev); 97832232be0dSLalit Chandivade 97842232be0dSLalit Chandivade /* pci_restore_state() clears the saved_state flag of the device 97852232be0dSLalit Chandivade * save restored state which resets saved_state flag 97862232be0dSLalit Chandivade */ 97872232be0dSLalit Chandivade pci_save_state(pdev); 97882232be0dSLalit Chandivade 97892232be0dSLalit Chandivade /* Initialize device or resume if in suspended state */ 97902232be0dSLalit Chandivade rc = pci_enable_device(pdev); 97912232be0dSLalit Chandivade if (rc) { 979225985edcSLucas De Marchi ql4_printk(KERN_WARNING, ha, "scsi%ld: %s: Can't re-enable " 97932232be0dSLalit Chandivade "device after reset\n", ha->host_no, __func__); 97942232be0dSLalit Chandivade goto exit_slot_reset; 97952232be0dSLalit Chandivade } 97962232be0dSLalit Chandivade 97977b3595dfSVikas Chaudhary ha->isp_ops->disable_intrs(ha); 97982232be0dSLalit Chandivade 97996e7b4292SVikas Chaudhary if (is_qla80XX(ha)) { 98002232be0dSLalit Chandivade if (qla4_8xxx_error_recovery(ha) == QLA_SUCCESS) { 98012232be0dSLalit Chandivade ret = PCI_ERS_RESULT_RECOVERED; 98022232be0dSLalit Chandivade goto exit_slot_reset; 98032232be0dSLalit Chandivade } else 98042232be0dSLalit Chandivade goto exit_slot_reset; 98052232be0dSLalit Chandivade } 98062232be0dSLalit Chandivade 98072232be0dSLalit Chandivade exit_slot_reset: 98082232be0dSLalit Chandivade ql4_printk(KERN_WARNING, ha, "scsi%ld: %s: Return=%x\n" 98092232be0dSLalit Chandivade "device after reset\n", ha->host_no, __func__, ret); 98102232be0dSLalit Chandivade return ret; 98112232be0dSLalit Chandivade } 98122232be0dSLalit Chandivade 98132232be0dSLalit Chandivade static void 98142232be0dSLalit Chandivade qla4xxx_pci_resume(struct pci_dev *pdev) 98152232be0dSLalit Chandivade { 98162232be0dSLalit Chandivade struct scsi_qla_host *ha = pci_get_drvdata(pdev); 98172232be0dSLalit Chandivade int ret; 98182232be0dSLalit Chandivade 98192232be0dSLalit Chandivade ql4_printk(KERN_WARNING, ha, "scsi%ld: %s: pci_resume\n", 98202232be0dSLalit Chandivade ha->host_no, __func__); 98212232be0dSLalit Chandivade 98222232be0dSLalit Chandivade ret = qla4xxx_wait_for_hba_online(ha); 98232232be0dSLalit Chandivade if (ret != QLA_SUCCESS) { 98242232be0dSLalit Chandivade ql4_printk(KERN_ERR, ha, "scsi%ld: %s: the device failed to " 98252232be0dSLalit Chandivade "resume I/O from slot/link_reset\n", ha->host_no, 98262232be0dSLalit Chandivade __func__); 98272232be0dSLalit Chandivade } 98282232be0dSLalit Chandivade 98292232be0dSLalit Chandivade clear_bit(AF_EEH_BUSY, &ha->flags); 98302232be0dSLalit Chandivade } 98312232be0dSLalit Chandivade 9832a55b2d21SStephen Hemminger static const struct pci_error_handlers qla4xxx_err_handler = { 98332232be0dSLalit Chandivade .error_detected = qla4xxx_pci_error_detected, 98342232be0dSLalit Chandivade .mmio_enabled = qla4xxx_pci_mmio_enabled, 98352232be0dSLalit Chandivade .slot_reset = qla4xxx_pci_slot_reset, 98362232be0dSLalit Chandivade .resume = qla4xxx_pci_resume, 98372232be0dSLalit Chandivade }; 98382232be0dSLalit Chandivade 9839afaf5a2dSDavid Somayajulu static struct pci_device_id qla4xxx_pci_tbl[] = { 9840afaf5a2dSDavid Somayajulu { 9841afaf5a2dSDavid Somayajulu .vendor = PCI_VENDOR_ID_QLOGIC, 9842afaf5a2dSDavid Somayajulu .device = PCI_DEVICE_ID_QLOGIC_ISP4010, 9843afaf5a2dSDavid Somayajulu .subvendor = PCI_ANY_ID, 9844afaf5a2dSDavid Somayajulu .subdevice = PCI_ANY_ID, 9845afaf5a2dSDavid Somayajulu }, 9846afaf5a2dSDavid Somayajulu { 9847afaf5a2dSDavid Somayajulu .vendor = PCI_VENDOR_ID_QLOGIC, 9848afaf5a2dSDavid Somayajulu .device = PCI_DEVICE_ID_QLOGIC_ISP4022, 9849afaf5a2dSDavid Somayajulu .subvendor = PCI_ANY_ID, 9850afaf5a2dSDavid Somayajulu .subdevice = PCI_ANY_ID, 9851afaf5a2dSDavid Somayajulu }, 9852d915058fSDavid C Somayajulu { 9853d915058fSDavid C Somayajulu .vendor = PCI_VENDOR_ID_QLOGIC, 9854d915058fSDavid C Somayajulu .device = PCI_DEVICE_ID_QLOGIC_ISP4032, 9855d915058fSDavid C Somayajulu .subvendor = PCI_ANY_ID, 9856d915058fSDavid C Somayajulu .subdevice = PCI_ANY_ID, 9857d915058fSDavid C Somayajulu }, 9858f4f5df23SVikas Chaudhary { 9859f4f5df23SVikas Chaudhary .vendor = PCI_VENDOR_ID_QLOGIC, 9860f4f5df23SVikas Chaudhary .device = PCI_DEVICE_ID_QLOGIC_ISP8022, 9861f4f5df23SVikas Chaudhary .subvendor = PCI_ANY_ID, 9862f4f5df23SVikas Chaudhary .subdevice = PCI_ANY_ID, 9863f4f5df23SVikas Chaudhary }, 98646e7b4292SVikas Chaudhary { 98656e7b4292SVikas Chaudhary .vendor = PCI_VENDOR_ID_QLOGIC, 98666e7b4292SVikas Chaudhary .device = PCI_DEVICE_ID_QLOGIC_ISP8324, 98676e7b4292SVikas Chaudhary .subvendor = PCI_ANY_ID, 98686e7b4292SVikas Chaudhary .subdevice = PCI_ANY_ID, 98696e7b4292SVikas Chaudhary }, 9870b37ca418SVikas Chaudhary { 9871b37ca418SVikas Chaudhary .vendor = PCI_VENDOR_ID_QLOGIC, 9872b37ca418SVikas Chaudhary .device = PCI_DEVICE_ID_QLOGIC_ISP8042, 9873b37ca418SVikas Chaudhary .subvendor = PCI_ANY_ID, 9874b37ca418SVikas Chaudhary .subdevice = PCI_ANY_ID, 9875b37ca418SVikas Chaudhary }, 9876afaf5a2dSDavid Somayajulu {0, 0}, 9877afaf5a2dSDavid Somayajulu }; 9878afaf5a2dSDavid Somayajulu MODULE_DEVICE_TABLE(pci, qla4xxx_pci_tbl); 9879afaf5a2dSDavid Somayajulu 988047975477SAdrian Bunk static struct pci_driver qla4xxx_pci_driver = { 9881afaf5a2dSDavid Somayajulu .name = DRIVER_NAME, 9882afaf5a2dSDavid Somayajulu .id_table = qla4xxx_pci_tbl, 9883afaf5a2dSDavid Somayajulu .probe = qla4xxx_probe_adapter, 9884afaf5a2dSDavid Somayajulu .remove = qla4xxx_remove_adapter, 98852232be0dSLalit Chandivade .err_handler = &qla4xxx_err_handler, 9886afaf5a2dSDavid Somayajulu }; 9887afaf5a2dSDavid Somayajulu 9888afaf5a2dSDavid Somayajulu static int __init qla4xxx_module_init(void) 9889afaf5a2dSDavid Somayajulu { 9890afaf5a2dSDavid Somayajulu int ret; 9891afaf5a2dSDavid Somayajulu 9892c40ecc12SChristoph Hellwig if (ql4xqfulltracking) 9893c40ecc12SChristoph Hellwig qla4xxx_driver_template.track_queue_depth = 1; 9894c40ecc12SChristoph Hellwig 9895afaf5a2dSDavid Somayajulu /* Allocate cache for SRBs. */ 9896afaf5a2dSDavid Somayajulu srb_cachep = kmem_cache_create("qla4xxx_srbs", sizeof(struct srb), 0, 989720c2df83SPaul Mundt SLAB_HWCACHE_ALIGN, NULL); 9898afaf5a2dSDavid Somayajulu if (srb_cachep == NULL) { 9899afaf5a2dSDavid Somayajulu printk(KERN_ERR 9900afaf5a2dSDavid Somayajulu "%s: Unable to allocate SRB cache..." 9901afaf5a2dSDavid Somayajulu "Failing load!\n", DRIVER_NAME); 9902afaf5a2dSDavid Somayajulu ret = -ENOMEM; 9903afaf5a2dSDavid Somayajulu goto no_srp_cache; 9904afaf5a2dSDavid Somayajulu } 9905afaf5a2dSDavid Somayajulu 9906afaf5a2dSDavid Somayajulu /* Derive version string. */ 9907afaf5a2dSDavid Somayajulu strcpy(qla4xxx_version_str, QLA4XXX_DRIVER_VERSION); 990811010fecSAndrew Vasquez if (ql4xextended_error_logging) 9909afaf5a2dSDavid Somayajulu strcat(qla4xxx_version_str, "-debug"); 9910afaf5a2dSDavid Somayajulu 9911afaf5a2dSDavid Somayajulu qla4xxx_scsi_transport = 9912afaf5a2dSDavid Somayajulu iscsi_register_transport(&qla4xxx_iscsi_transport); 9913afaf5a2dSDavid Somayajulu if (!qla4xxx_scsi_transport){ 9914afaf5a2dSDavid Somayajulu ret = -ENODEV; 9915afaf5a2dSDavid Somayajulu goto release_srb_cache; 9916afaf5a2dSDavid Somayajulu } 9917afaf5a2dSDavid Somayajulu 9918afaf5a2dSDavid Somayajulu ret = pci_register_driver(&qla4xxx_pci_driver); 9919afaf5a2dSDavid Somayajulu if (ret) 9920afaf5a2dSDavid Somayajulu goto unregister_transport; 9921afaf5a2dSDavid Somayajulu 9922afaf5a2dSDavid Somayajulu printk(KERN_INFO "QLogic iSCSI HBA Driver\n"); 9923afaf5a2dSDavid Somayajulu return 0; 99245ae16db3SDoug Maxey 9925afaf5a2dSDavid Somayajulu unregister_transport: 9926afaf5a2dSDavid Somayajulu iscsi_unregister_transport(&qla4xxx_iscsi_transport); 9927afaf5a2dSDavid Somayajulu release_srb_cache: 9928afaf5a2dSDavid Somayajulu kmem_cache_destroy(srb_cachep); 9929afaf5a2dSDavid Somayajulu no_srp_cache: 9930afaf5a2dSDavid Somayajulu return ret; 9931afaf5a2dSDavid Somayajulu } 9932afaf5a2dSDavid Somayajulu 9933afaf5a2dSDavid Somayajulu static void __exit qla4xxx_module_exit(void) 9934afaf5a2dSDavid Somayajulu { 9935afaf5a2dSDavid Somayajulu pci_unregister_driver(&qla4xxx_pci_driver); 9936afaf5a2dSDavid Somayajulu iscsi_unregister_transport(&qla4xxx_iscsi_transport); 9937afaf5a2dSDavid Somayajulu kmem_cache_destroy(srb_cachep); 9938afaf5a2dSDavid Somayajulu } 9939afaf5a2dSDavid Somayajulu 9940afaf5a2dSDavid Somayajulu module_init(qla4xxx_module_init); 9941afaf5a2dSDavid Somayajulu module_exit(qla4xxx_module_exit); 9942afaf5a2dSDavid Somayajulu 9943afaf5a2dSDavid Somayajulu MODULE_AUTHOR("QLogic Corporation"); 9944afaf5a2dSDavid Somayajulu MODULE_DESCRIPTION("QLogic iSCSI HBA Driver"); 9945afaf5a2dSDavid Somayajulu MODULE_LICENSE("GPL"); 9946afaf5a2dSDavid Somayajulu MODULE_VERSION(QLA4XXX_DRIVER_VERSION); 9947