1afaf5a2dSDavid Somayajulu /* 2afaf5a2dSDavid Somayajulu * QLogic iSCSI HBA Driver 34a4f51e9SVikas Chaudhary * Copyright (c) 2003-2013 QLogic Corporation 4afaf5a2dSDavid Somayajulu * 5afaf5a2dSDavid Somayajulu * See LICENSE.qla4xxx for copyright and licensing details. 6afaf5a2dSDavid Somayajulu */ 7afaf5a2dSDavid Somayajulu #include <linux/moduleparam.h> 85a0e3ad6STejun Heo #include <linux/slab.h> 92a991c21SManish Rangankar #include <linux/blkdev.h> 102a991c21SManish Rangankar #include <linux/iscsi_boot_sysfs.h> 1113483730SMike Christie #include <linux/inet.h> 12afaf5a2dSDavid Somayajulu 13afaf5a2dSDavid Somayajulu #include <scsi/scsi_tcq.h> 14afaf5a2dSDavid Somayajulu #include <scsi/scsicam.h> 15afaf5a2dSDavid Somayajulu 16afaf5a2dSDavid Somayajulu #include "ql4_def.h" 17bee4fe8eSDavid C Somayajulu #include "ql4_version.h" 18bee4fe8eSDavid C Somayajulu #include "ql4_glbl.h" 19bee4fe8eSDavid C Somayajulu #include "ql4_dbg.h" 20bee4fe8eSDavid C Somayajulu #include "ql4_inline.h" 216e7b4292SVikas Chaudhary #include "ql4_83xx.h" 22afaf5a2dSDavid Somayajulu 23afaf5a2dSDavid Somayajulu /* 24afaf5a2dSDavid Somayajulu * Driver version 25afaf5a2dSDavid Somayajulu */ 2647975477SAdrian Bunk static char qla4xxx_version_str[40]; 27afaf5a2dSDavid Somayajulu 28afaf5a2dSDavid Somayajulu /* 29afaf5a2dSDavid Somayajulu * SRB allocation cache 30afaf5a2dSDavid Somayajulu */ 31e18b890bSChristoph Lameter static struct kmem_cache *srb_cachep; 32afaf5a2dSDavid Somayajulu 33afaf5a2dSDavid Somayajulu /* 34afaf5a2dSDavid Somayajulu * Module parameter information and variables 35afaf5a2dSDavid Somayajulu */ 36a7380a65SVikas Chaudhary static int ql4xdisablesysfsboot = 1; 3713483730SMike Christie module_param(ql4xdisablesysfsboot, int, S_IRUGO | S_IWUSR); 3813483730SMike Christie MODULE_PARM_DESC(ql4xdisablesysfsboot, 39a4e8a715SKaren Higgins " Set to disable exporting boot targets to sysfs.\n" 40a4e8a715SKaren Higgins "\t\t 0 - Export boot targets\n" 41a4e8a715SKaren Higgins "\t\t 1 - Do not export boot targets (Default)"); 4213483730SMike Christie 433573bfb2SVikas Chaudhary int ql4xdontresethba; 44f4f5df23SVikas Chaudhary module_param(ql4xdontresethba, int, S_IRUGO | S_IWUSR); 45afaf5a2dSDavid Somayajulu MODULE_PARM_DESC(ql4xdontresethba, 46a4e8a715SKaren Higgins " Don't reset the HBA for driver recovery.\n" 47a4e8a715SKaren Higgins "\t\t 0 - It will reset HBA (Default)\n" 48a4e8a715SKaren Higgins "\t\t 1 - It will NOT reset HBA"); 49afaf5a2dSDavid Somayajulu 50a4e8a715SKaren Higgins int ql4xextended_error_logging; 51f4f5df23SVikas Chaudhary module_param(ql4xextended_error_logging, int, S_IRUGO | S_IWUSR); 5211010fecSAndrew Vasquez MODULE_PARM_DESC(ql4xextended_error_logging, 53a4e8a715SKaren Higgins " Option to enable extended error logging.\n" 54a4e8a715SKaren Higgins "\t\t 0 - no logging (Default)\n" 55a4e8a715SKaren Higgins "\t\t 2 - debug logging"); 56afaf5a2dSDavid Somayajulu 57f4f5df23SVikas Chaudhary int ql4xenablemsix = 1; 58f4f5df23SVikas Chaudhary module_param(ql4xenablemsix, int, S_IRUGO|S_IWUSR); 59f4f5df23SVikas Chaudhary MODULE_PARM_DESC(ql4xenablemsix, 60f4f5df23SVikas Chaudhary " Set to enable MSI or MSI-X interrupt mechanism.\n" 61a4e8a715SKaren Higgins "\t\t 0 = enable INTx interrupt mechanism.\n" 62a4e8a715SKaren Higgins "\t\t 1 = enable MSI-X interrupt mechanism (Default).\n" 63a4e8a715SKaren Higgins "\t\t 2 = enable MSI interrupt mechanism."); 64477ffb9dSDavid C Somayajulu 65d510d965SMike Christie #define QL4_DEF_QDEPTH 32 668bb4033dSVikas Chaudhary static int ql4xmaxqdepth = QL4_DEF_QDEPTH; 678bb4033dSVikas Chaudhary module_param(ql4xmaxqdepth, int, S_IRUGO | S_IWUSR); 688bb4033dSVikas Chaudhary MODULE_PARM_DESC(ql4xmaxqdepth, 698bb4033dSVikas Chaudhary " Maximum queue depth to report for target devices.\n" 70a4e8a715SKaren Higgins "\t\t Default: 32."); 71d510d965SMike Christie 72f7b4aa63STej Parkash static int ql4xqfulltracking = 1; 73f7b4aa63STej Parkash module_param(ql4xqfulltracking, int, S_IRUGO | S_IWUSR); 74f7b4aa63STej Parkash MODULE_PARM_DESC(ql4xqfulltracking, 75f7b4aa63STej Parkash " Enable or disable dynamic tracking and adjustment of\n" 76f7b4aa63STej Parkash "\t\t scsi device queue depth.\n" 77f7b4aa63STej Parkash "\t\t 0 - Disable.\n" 78f7b4aa63STej Parkash "\t\t 1 - Enable. (Default)"); 79f7b4aa63STej Parkash 803038727cSVikas Chaudhary static int ql4xsess_recovery_tmo = QL4_SESS_RECOVERY_TMO; 813038727cSVikas Chaudhary module_param(ql4xsess_recovery_tmo, int, S_IRUGO); 823038727cSVikas Chaudhary MODULE_PARM_DESC(ql4xsess_recovery_tmo, 833038727cSVikas Chaudhary " Target Session Recovery Timeout.\n" 84a4e8a715SKaren Higgins "\t\t Default: 120 sec."); 853038727cSVikas Chaudhary 86a511b4afSTej Parkash int ql4xmdcapmask = 0; 87068237c8STej Parkash module_param(ql4xmdcapmask, int, S_IRUGO); 88068237c8STej Parkash MODULE_PARM_DESC(ql4xmdcapmask, 89068237c8STej Parkash " Set the Minidump driver capture mask level.\n" 90a511b4afSTej Parkash "\t\t Default is 0 (firmware default capture mask)\n" 91b410982cSTej Parkash "\t\t Can be set to 0x3, 0x7, 0xF, 0x1F, 0x3F, 0x7F, 0xFF"); 92068237c8STej Parkash 93068237c8STej Parkash int ql4xenablemd = 1; 94068237c8STej Parkash module_param(ql4xenablemd, int, S_IRUGO | S_IWUSR); 95068237c8STej Parkash MODULE_PARM_DESC(ql4xenablemd, 96068237c8STej Parkash " Set to enable minidump.\n" 97068237c8STej Parkash "\t\t 0 - disable minidump\n" 98068237c8STej Parkash "\t\t 1 - enable minidump (Default)"); 99068237c8STej Parkash 100b3a271a9SManish Rangankar static int qla4xxx_wait_for_hba_online(struct scsi_qla_host *ha); 101afaf5a2dSDavid Somayajulu /* 102afaf5a2dSDavid Somayajulu * SCSI host template entry points 103afaf5a2dSDavid Somayajulu */ 10447975477SAdrian Bunk static void qla4xxx_config_dma_addressing(struct scsi_qla_host *ha); 105afaf5a2dSDavid Somayajulu 106afaf5a2dSDavid Somayajulu /* 107afaf5a2dSDavid Somayajulu * iSCSI template entry points 108afaf5a2dSDavid Somayajulu */ 109fca9f04dSMike Christie static int qla4xxx_session_get_param(struct iscsi_cls_session *cls_sess, 110fca9f04dSMike Christie enum iscsi_param param, char *buf); 111afaf5a2dSDavid Somayajulu static int qla4xxx_conn_get_param(struct iscsi_cls_conn *conn, 112afaf5a2dSDavid Somayajulu enum iscsi_param param, char *buf); 113aa1e93a2SMike Christie static int qla4xxx_host_get_param(struct Scsi_Host *shost, 114aa1e93a2SMike Christie enum iscsi_host_param param, char *buf); 11500c31889SMike Christie static int qla4xxx_iface_set_param(struct Scsi_Host *shost, void *data, 11600c31889SMike Christie uint32_t len); 117ed1086e0SVikas Chaudhary static int qla4xxx_get_iface_param(struct iscsi_iface *iface, 118ed1086e0SVikas Chaudhary enum iscsi_param_type param_type, 119ed1086e0SVikas Chaudhary int param, char *buf); 1205c656af7SMike Christie static enum blk_eh_timer_return qla4xxx_eh_cmd_timed_out(struct scsi_cmnd *sc); 121b3a271a9SManish Rangankar static struct iscsi_endpoint *qla4xxx_ep_connect(struct Scsi_Host *shost, 122b3a271a9SManish Rangankar struct sockaddr *dst_addr, 123b3a271a9SManish Rangankar int non_blocking); 124b3a271a9SManish Rangankar static int qla4xxx_ep_poll(struct iscsi_endpoint *ep, int timeout_ms); 125b3a271a9SManish Rangankar static void qla4xxx_ep_disconnect(struct iscsi_endpoint *ep); 126b3a271a9SManish Rangankar static int qla4xxx_get_ep_param(struct iscsi_endpoint *ep, 127b3a271a9SManish Rangankar enum iscsi_param param, char *buf); 128b3a271a9SManish Rangankar static int qla4xxx_conn_start(struct iscsi_cls_conn *conn); 129b3a271a9SManish Rangankar static struct iscsi_cls_conn * 130b3a271a9SManish Rangankar qla4xxx_conn_create(struct iscsi_cls_session *cls_sess, uint32_t conn_idx); 131b3a271a9SManish Rangankar static int qla4xxx_conn_bind(struct iscsi_cls_session *cls_session, 132b3a271a9SManish Rangankar struct iscsi_cls_conn *cls_conn, 133b3a271a9SManish Rangankar uint64_t transport_fd, int is_leading); 134b3a271a9SManish Rangankar static void qla4xxx_conn_destroy(struct iscsi_cls_conn *conn); 135b3a271a9SManish Rangankar static struct iscsi_cls_session * 136b3a271a9SManish Rangankar qla4xxx_session_create(struct iscsi_endpoint *ep, uint16_t cmds_max, 137b3a271a9SManish Rangankar uint16_t qdepth, uint32_t initial_cmdsn); 138b3a271a9SManish Rangankar static void qla4xxx_session_destroy(struct iscsi_cls_session *sess); 139b3a271a9SManish Rangankar static void qla4xxx_task_work(struct work_struct *wdata); 140b3a271a9SManish Rangankar static int qla4xxx_alloc_pdu(struct iscsi_task *, uint8_t); 141b3a271a9SManish Rangankar static int qla4xxx_task_xmit(struct iscsi_task *); 142b3a271a9SManish Rangankar static void qla4xxx_task_cleanup(struct iscsi_task *); 143b3a271a9SManish Rangankar static void qla4xxx_fail_session(struct iscsi_cls_session *cls_session); 144b3a271a9SManish Rangankar static void qla4xxx_conn_get_stats(struct iscsi_cls_conn *cls_conn, 145b3a271a9SManish Rangankar struct iscsi_stats *stats); 146c0b9d3f7SVikas Chaudhary static int qla4xxx_send_ping(struct Scsi_Host *shost, uint32_t iface_num, 147c0b9d3f7SVikas Chaudhary uint32_t iface_type, uint32_t payload_size, 148c0b9d3f7SVikas Chaudhary uint32_t pid, struct sockaddr *dst_addr); 149376738afSNilesh Javali static int qla4xxx_get_chap_list(struct Scsi_Host *shost, uint16_t chap_tbl_idx, 150376738afSNilesh Javali uint32_t *num_entries, char *buf); 151376738afSNilesh Javali static int qla4xxx_delete_chap(struct Scsi_Host *shost, uint16_t chap_tbl_idx); 15226ffd7b4SAdheer Chandravanshi static int qla4xxx_set_chap_entry(struct Scsi_Host *shost, void *data, 15326ffd7b4SAdheer Chandravanshi int len); 1544161cee5SLalit Chandivade static int qla4xxx_get_host_stats(struct Scsi_Host *shost, char *buf, int len); 155c0b9d3f7SVikas Chaudhary 156afaf5a2dSDavid Somayajulu /* 157afaf5a2dSDavid Somayajulu * SCSI host template entry points 158afaf5a2dSDavid Somayajulu */ 159f281233dSJeff Garzik static int qla4xxx_queuecommand(struct Scsi_Host *h, struct scsi_cmnd *cmd); 16009a0f719SVikas Chaudhary static int qla4xxx_eh_abort(struct scsi_cmnd *cmd); 161afaf5a2dSDavid Somayajulu static int qla4xxx_eh_device_reset(struct scsi_cmnd *cmd); 162ce545039SMike Christie static int qla4xxx_eh_target_reset(struct scsi_cmnd *cmd); 163afaf5a2dSDavid Somayajulu static int qla4xxx_eh_host_reset(struct scsi_cmnd *cmd); 164afaf5a2dSDavid Somayajulu static int qla4xxx_slave_alloc(struct scsi_device *device); 1655e9bcec7SVikas Chaudhary static umode_t qla4_attr_is_visible(int param_type, int param); 16695d31262SVikas Chaudhary static int qla4xxx_host_reset(struct Scsi_Host *shost, int reset_type); 167afaf5a2dSDavid Somayajulu 1681e9e2be3SAdheer Chandravanshi /* 1691e9e2be3SAdheer Chandravanshi * iSCSI Flash DDB sysfs entry points 1701e9e2be3SAdheer Chandravanshi */ 1711e9e2be3SAdheer Chandravanshi static int 1721e9e2be3SAdheer Chandravanshi qla4xxx_sysfs_ddb_set_param(struct iscsi_bus_flash_session *fnode_sess, 1731e9e2be3SAdheer Chandravanshi struct iscsi_bus_flash_conn *fnode_conn, 1741e9e2be3SAdheer Chandravanshi void *data, int len); 1751e9e2be3SAdheer Chandravanshi static int 1761e9e2be3SAdheer Chandravanshi qla4xxx_sysfs_ddb_get_param(struct iscsi_bus_flash_session *fnode_sess, 1771e9e2be3SAdheer Chandravanshi int param, char *buf); 1781e9e2be3SAdheer Chandravanshi static int qla4xxx_sysfs_ddb_add(struct Scsi_Host *shost, const char *buf, 1791e9e2be3SAdheer Chandravanshi int len); 1801e9e2be3SAdheer Chandravanshi static int 1811e9e2be3SAdheer Chandravanshi qla4xxx_sysfs_ddb_delete(struct iscsi_bus_flash_session *fnode_sess); 1821e9e2be3SAdheer Chandravanshi static int qla4xxx_sysfs_ddb_login(struct iscsi_bus_flash_session *fnode_sess, 1831e9e2be3SAdheer Chandravanshi struct iscsi_bus_flash_conn *fnode_conn); 1841e9e2be3SAdheer Chandravanshi static int qla4xxx_sysfs_ddb_logout(struct iscsi_bus_flash_session *fnode_sess, 1851e9e2be3SAdheer Chandravanshi struct iscsi_bus_flash_conn *fnode_conn); 1861e9e2be3SAdheer Chandravanshi static int qla4xxx_sysfs_ddb_logout_sid(struct iscsi_cls_session *cls_sess); 1871e9e2be3SAdheer Chandravanshi 188f4f5df23SVikas Chaudhary static struct qla4_8xxx_legacy_intr_set legacy_intr[] = 189f4f5df23SVikas Chaudhary QLA82XX_LEGACY_INTR_CONFIG; 190f4f5df23SVikas Chaudhary 191afaf5a2dSDavid Somayajulu static struct scsi_host_template qla4xxx_driver_template = { 192afaf5a2dSDavid Somayajulu .module = THIS_MODULE, 193afaf5a2dSDavid Somayajulu .name = DRIVER_NAME, 194afaf5a2dSDavid Somayajulu .proc_name = DRIVER_NAME, 195afaf5a2dSDavid Somayajulu .queuecommand = qla4xxx_queuecommand, 196afaf5a2dSDavid Somayajulu 19709a0f719SVikas Chaudhary .eh_abort_handler = qla4xxx_eh_abort, 198afaf5a2dSDavid Somayajulu .eh_device_reset_handler = qla4xxx_eh_device_reset, 199ce545039SMike Christie .eh_target_reset_handler = qla4xxx_eh_target_reset, 200afaf5a2dSDavid Somayajulu .eh_host_reset_handler = qla4xxx_eh_host_reset, 2015c656af7SMike Christie .eh_timed_out = qla4xxx_eh_cmd_timed_out, 202afaf5a2dSDavid Somayajulu 203afaf5a2dSDavid Somayajulu .slave_alloc = qla4xxx_slave_alloc, 204db5ed4dfSChristoph Hellwig .change_queue_depth = scsi_change_queue_depth, 205afaf5a2dSDavid Somayajulu 206afaf5a2dSDavid Somayajulu .this_id = -1, 207afaf5a2dSDavid Somayajulu .cmd_per_lun = 3, 208afaf5a2dSDavid Somayajulu .use_clustering = ENABLE_CLUSTERING, 209afaf5a2dSDavid Somayajulu .sg_tablesize = SG_ALL, 210afaf5a2dSDavid Somayajulu 211afaf5a2dSDavid Somayajulu .max_sectors = 0xFFFF, 2127ad633c0SHarish Zunjarrao .shost_attrs = qla4xxx_host_attrs, 21395d31262SVikas Chaudhary .host_reset = qla4xxx_host_reset, 214a355943cSVikas Chaudhary .vendor_id = SCSI_NL_VID_TYPE_PCI | PCI_VENDOR_ID_QLOGIC, 215afaf5a2dSDavid Somayajulu }; 216afaf5a2dSDavid Somayajulu 217afaf5a2dSDavid Somayajulu static struct iscsi_transport qla4xxx_iscsi_transport = { 218afaf5a2dSDavid Somayajulu .owner = THIS_MODULE, 219afaf5a2dSDavid Somayajulu .name = DRIVER_NAME, 220b3a271a9SManish Rangankar .caps = CAP_TEXT_NEGO | 221b3a271a9SManish Rangankar CAP_DATA_PATH_OFFLOAD | CAP_HDRDGST | 222b3a271a9SManish Rangankar CAP_DATADGST | CAP_LOGIN_OFFLOAD | 223b3a271a9SManish Rangankar CAP_MULTI_R2T, 2245e9bcec7SVikas Chaudhary .attr_is_visible = qla4_attr_is_visible, 225b3a271a9SManish Rangankar .create_session = qla4xxx_session_create, 226b3a271a9SManish Rangankar .destroy_session = qla4xxx_session_destroy, 227b3a271a9SManish Rangankar .start_conn = qla4xxx_conn_start, 228b3a271a9SManish Rangankar .create_conn = qla4xxx_conn_create, 229b3a271a9SManish Rangankar .bind_conn = qla4xxx_conn_bind, 230b3a271a9SManish Rangankar .stop_conn = iscsi_conn_stop, 231b3a271a9SManish Rangankar .destroy_conn = qla4xxx_conn_destroy, 232b3a271a9SManish Rangankar .set_param = iscsi_set_param, 233afaf5a2dSDavid Somayajulu .get_conn_param = qla4xxx_conn_get_param, 234fca9f04dSMike Christie .get_session_param = qla4xxx_session_get_param, 235b3a271a9SManish Rangankar .get_ep_param = qla4xxx_get_ep_param, 236b3a271a9SManish Rangankar .ep_connect = qla4xxx_ep_connect, 237b3a271a9SManish Rangankar .ep_poll = qla4xxx_ep_poll, 238b3a271a9SManish Rangankar .ep_disconnect = qla4xxx_ep_disconnect, 239b3a271a9SManish Rangankar .get_stats = qla4xxx_conn_get_stats, 240b3a271a9SManish Rangankar .send_pdu = iscsi_conn_send_pdu, 241b3a271a9SManish Rangankar .xmit_task = qla4xxx_task_xmit, 242b3a271a9SManish Rangankar .cleanup_task = qla4xxx_task_cleanup, 243b3a271a9SManish Rangankar .alloc_pdu = qla4xxx_alloc_pdu, 244b3a271a9SManish Rangankar 245aa1e93a2SMike Christie .get_host_param = qla4xxx_host_get_param, 246d00efe3fSMike Christie .set_iface_param = qla4xxx_iface_set_param, 247ed1086e0SVikas Chaudhary .get_iface_param = qla4xxx_get_iface_param, 248a355943cSVikas Chaudhary .bsg_request = qla4xxx_bsg_request, 249c0b9d3f7SVikas Chaudhary .send_ping = qla4xxx_send_ping, 250376738afSNilesh Javali .get_chap = qla4xxx_get_chap_list, 251376738afSNilesh Javali .delete_chap = qla4xxx_delete_chap, 25226ffd7b4SAdheer Chandravanshi .set_chap = qla4xxx_set_chap_entry, 2531e9e2be3SAdheer Chandravanshi .get_flashnode_param = qla4xxx_sysfs_ddb_get_param, 2541e9e2be3SAdheer Chandravanshi .set_flashnode_param = qla4xxx_sysfs_ddb_set_param, 2551e9e2be3SAdheer Chandravanshi .new_flashnode = qla4xxx_sysfs_ddb_add, 2561e9e2be3SAdheer Chandravanshi .del_flashnode = qla4xxx_sysfs_ddb_delete, 2571e9e2be3SAdheer Chandravanshi .login_flashnode = qla4xxx_sysfs_ddb_login, 2581e9e2be3SAdheer Chandravanshi .logout_flashnode = qla4xxx_sysfs_ddb_logout, 2591e9e2be3SAdheer Chandravanshi .logout_flashnode_sid = qla4xxx_sysfs_ddb_logout_sid, 2604161cee5SLalit Chandivade .get_host_stats = qla4xxx_get_host_stats, 261afaf5a2dSDavid Somayajulu }; 262afaf5a2dSDavid Somayajulu 263afaf5a2dSDavid Somayajulu static struct scsi_transport_template *qla4xxx_scsi_transport; 264afaf5a2dSDavid Somayajulu 265c0b9d3f7SVikas Chaudhary static int qla4xxx_send_ping(struct Scsi_Host *shost, uint32_t iface_num, 266c0b9d3f7SVikas Chaudhary uint32_t iface_type, uint32_t payload_size, 267c0b9d3f7SVikas Chaudhary uint32_t pid, struct sockaddr *dst_addr) 268c0b9d3f7SVikas Chaudhary { 269c0b9d3f7SVikas Chaudhary struct scsi_qla_host *ha = to_qla_host(shost); 270c0b9d3f7SVikas Chaudhary struct sockaddr_in *addr; 271c0b9d3f7SVikas Chaudhary struct sockaddr_in6 *addr6; 272c0b9d3f7SVikas Chaudhary uint32_t options = 0; 273c0b9d3f7SVikas Chaudhary uint8_t ipaddr[IPv6_ADDR_LEN]; 274c0b9d3f7SVikas Chaudhary int rval; 275c0b9d3f7SVikas Chaudhary 276c0b9d3f7SVikas Chaudhary memset(ipaddr, 0, IPv6_ADDR_LEN); 277c0b9d3f7SVikas Chaudhary /* IPv4 to IPv4 */ 278c0b9d3f7SVikas Chaudhary if ((iface_type == ISCSI_IFACE_TYPE_IPV4) && 279c0b9d3f7SVikas Chaudhary (dst_addr->sa_family == AF_INET)) { 280c0b9d3f7SVikas Chaudhary addr = (struct sockaddr_in *)dst_addr; 281c0b9d3f7SVikas Chaudhary memcpy(ipaddr, &addr->sin_addr.s_addr, IP_ADDR_LEN); 282c0b9d3f7SVikas Chaudhary DEBUG2(ql4_printk(KERN_INFO, ha, "%s: IPv4 Ping src: %pI4 " 283c0b9d3f7SVikas Chaudhary "dest: %pI4\n", __func__, 284c0b9d3f7SVikas Chaudhary &ha->ip_config.ip_address, ipaddr)); 285c0b9d3f7SVikas Chaudhary rval = qla4xxx_ping_iocb(ha, options, payload_size, pid, 286c0b9d3f7SVikas Chaudhary ipaddr); 287c0b9d3f7SVikas Chaudhary if (rval) 288c0b9d3f7SVikas Chaudhary rval = -EINVAL; 289c0b9d3f7SVikas Chaudhary } else if ((iface_type == ISCSI_IFACE_TYPE_IPV6) && 290c0b9d3f7SVikas Chaudhary (dst_addr->sa_family == AF_INET6)) { 291c0b9d3f7SVikas Chaudhary /* IPv6 to IPv6 */ 292c0b9d3f7SVikas Chaudhary addr6 = (struct sockaddr_in6 *)dst_addr; 293c0b9d3f7SVikas Chaudhary memcpy(ipaddr, &addr6->sin6_addr.in6_u.u6_addr8, IPv6_ADDR_LEN); 294c0b9d3f7SVikas Chaudhary 295c0b9d3f7SVikas Chaudhary options |= PING_IPV6_PROTOCOL_ENABLE; 296c0b9d3f7SVikas Chaudhary 297c0b9d3f7SVikas Chaudhary /* Ping using LinkLocal address */ 298c0b9d3f7SVikas Chaudhary if ((iface_num == 0) || (iface_num == 1)) { 299c0b9d3f7SVikas Chaudhary DEBUG2(ql4_printk(KERN_INFO, ha, "%s: LinkLocal Ping " 300c0b9d3f7SVikas Chaudhary "src: %pI6 dest: %pI6\n", __func__, 301c0b9d3f7SVikas Chaudhary &ha->ip_config.ipv6_link_local_addr, 302c0b9d3f7SVikas Chaudhary ipaddr)); 303c0b9d3f7SVikas Chaudhary options |= PING_IPV6_LINKLOCAL_ADDR; 304c0b9d3f7SVikas Chaudhary rval = qla4xxx_ping_iocb(ha, options, payload_size, 305c0b9d3f7SVikas Chaudhary pid, ipaddr); 306c0b9d3f7SVikas Chaudhary } else { 307c0b9d3f7SVikas Chaudhary ql4_printk(KERN_WARNING, ha, "%s: iface num = %d " 308c0b9d3f7SVikas Chaudhary "not supported\n", __func__, iface_num); 309c0b9d3f7SVikas Chaudhary rval = -ENOSYS; 310c0b9d3f7SVikas Chaudhary goto exit_send_ping; 311c0b9d3f7SVikas Chaudhary } 312c0b9d3f7SVikas Chaudhary 313c0b9d3f7SVikas Chaudhary /* 314c0b9d3f7SVikas Chaudhary * If ping using LinkLocal address fails, try ping using 315c0b9d3f7SVikas Chaudhary * IPv6 address 316c0b9d3f7SVikas Chaudhary */ 317c0b9d3f7SVikas Chaudhary if (rval != QLA_SUCCESS) { 318c0b9d3f7SVikas Chaudhary options &= ~PING_IPV6_LINKLOCAL_ADDR; 319c0b9d3f7SVikas Chaudhary if (iface_num == 0) { 320c0b9d3f7SVikas Chaudhary options |= PING_IPV6_ADDR0; 321c0b9d3f7SVikas Chaudhary DEBUG2(ql4_printk(KERN_INFO, ha, "%s: IPv6 " 322c0b9d3f7SVikas Chaudhary "Ping src: %pI6 " 323c0b9d3f7SVikas Chaudhary "dest: %pI6\n", __func__, 324c0b9d3f7SVikas Chaudhary &ha->ip_config.ipv6_addr0, 325c0b9d3f7SVikas Chaudhary ipaddr)); 326c0b9d3f7SVikas Chaudhary } else if (iface_num == 1) { 327c0b9d3f7SVikas Chaudhary options |= PING_IPV6_ADDR1; 328c0b9d3f7SVikas Chaudhary DEBUG2(ql4_printk(KERN_INFO, ha, "%s: IPv6 " 329c0b9d3f7SVikas Chaudhary "Ping src: %pI6 " 330c0b9d3f7SVikas Chaudhary "dest: %pI6\n", __func__, 331c0b9d3f7SVikas Chaudhary &ha->ip_config.ipv6_addr1, 332c0b9d3f7SVikas Chaudhary ipaddr)); 333c0b9d3f7SVikas Chaudhary } 334c0b9d3f7SVikas Chaudhary rval = qla4xxx_ping_iocb(ha, options, payload_size, 335c0b9d3f7SVikas Chaudhary pid, ipaddr); 336c0b9d3f7SVikas Chaudhary if (rval) 337c0b9d3f7SVikas Chaudhary rval = -EINVAL; 338c0b9d3f7SVikas Chaudhary } 339c0b9d3f7SVikas Chaudhary } else 340c0b9d3f7SVikas Chaudhary rval = -ENOSYS; 341c0b9d3f7SVikas Chaudhary exit_send_ping: 342c0b9d3f7SVikas Chaudhary return rval; 343c0b9d3f7SVikas Chaudhary } 344c0b9d3f7SVikas Chaudhary 3455e9bcec7SVikas Chaudhary static umode_t qla4_attr_is_visible(int param_type, int param) 3463128c6c7SMike Christie { 3473128c6c7SMike Christie switch (param_type) { 348f27fb2efSMike Christie case ISCSI_HOST_PARAM: 349f27fb2efSMike Christie switch (param) { 350f27fb2efSMike Christie case ISCSI_HOST_PARAM_HWADDRESS: 351f27fb2efSMike Christie case ISCSI_HOST_PARAM_IPADDRESS: 352f27fb2efSMike Christie case ISCSI_HOST_PARAM_INITIATOR_NAME: 3533254dbe9SVikas Chaudhary case ISCSI_HOST_PARAM_PORT_STATE: 3543254dbe9SVikas Chaudhary case ISCSI_HOST_PARAM_PORT_SPEED: 355f27fb2efSMike Christie return S_IRUGO; 356f27fb2efSMike Christie default: 357f27fb2efSMike Christie return 0; 358f27fb2efSMike Christie } 3593128c6c7SMike Christie case ISCSI_PARAM: 3603128c6c7SMike Christie switch (param) { 361590134faSMike Christie case ISCSI_PARAM_PERSISTENT_ADDRESS: 362590134faSMike Christie case ISCSI_PARAM_PERSISTENT_PORT: 3633128c6c7SMike Christie case ISCSI_PARAM_CONN_ADDRESS: 3643128c6c7SMike Christie case ISCSI_PARAM_CONN_PORT: 3651d063c17SMike Christie case ISCSI_PARAM_TARGET_NAME: 3661d063c17SMike Christie case ISCSI_PARAM_TPGT: 3671d063c17SMike Christie case ISCSI_PARAM_TARGET_ALIAS: 368b3a271a9SManish Rangankar case ISCSI_PARAM_MAX_BURST: 369b3a271a9SManish Rangankar case ISCSI_PARAM_MAX_R2T: 370b3a271a9SManish Rangankar case ISCSI_PARAM_FIRST_BURST: 371b3a271a9SManish Rangankar case ISCSI_PARAM_MAX_RECV_DLENGTH: 372b3a271a9SManish Rangankar case ISCSI_PARAM_MAX_XMIT_DLENGTH: 373de37920bSMike Christie case ISCSI_PARAM_IFACE_NAME: 374fca9f04dSMike Christie case ISCSI_PARAM_CHAP_OUT_IDX: 375fca9f04dSMike Christie case ISCSI_PARAM_CHAP_IN_IDX: 376fca9f04dSMike Christie case ISCSI_PARAM_USERNAME: 377fca9f04dSMike Christie case ISCSI_PARAM_PASSWORD: 378fca9f04dSMike Christie case ISCSI_PARAM_USERNAME_IN: 379fca9f04dSMike Christie case ISCSI_PARAM_PASSWORD_IN: 3808cc91d42SAdheer Chandravanshi case ISCSI_PARAM_AUTO_SND_TGT_DISABLE: 3818cc91d42SAdheer Chandravanshi case ISCSI_PARAM_DISCOVERY_SESS: 3828cc91d42SAdheer Chandravanshi case ISCSI_PARAM_PORTAL_TYPE: 3838cc91d42SAdheer Chandravanshi case ISCSI_PARAM_CHAP_AUTH_EN: 3848cc91d42SAdheer Chandravanshi case ISCSI_PARAM_DISCOVERY_LOGOUT_EN: 3858cc91d42SAdheer Chandravanshi case ISCSI_PARAM_BIDI_CHAP_EN: 3868cc91d42SAdheer Chandravanshi case ISCSI_PARAM_DISCOVERY_AUTH_OPTIONAL: 3878cc91d42SAdheer Chandravanshi case ISCSI_PARAM_DEF_TIME2WAIT: 3888cc91d42SAdheer Chandravanshi case ISCSI_PARAM_DEF_TIME2RETAIN: 3898cc91d42SAdheer Chandravanshi case ISCSI_PARAM_HDRDGST_EN: 3908cc91d42SAdheer Chandravanshi case ISCSI_PARAM_DATADGST_EN: 3918cc91d42SAdheer Chandravanshi case ISCSI_PARAM_INITIAL_R2T_EN: 3928cc91d42SAdheer Chandravanshi case ISCSI_PARAM_IMM_DATA_EN: 3938cc91d42SAdheer Chandravanshi case ISCSI_PARAM_PDU_INORDER_EN: 3948cc91d42SAdheer Chandravanshi case ISCSI_PARAM_DATASEQ_INORDER_EN: 3958cc91d42SAdheer Chandravanshi case ISCSI_PARAM_MAX_SEGMENT_SIZE: 3968cc91d42SAdheer Chandravanshi case ISCSI_PARAM_TCP_TIMESTAMP_STAT: 3978cc91d42SAdheer Chandravanshi case ISCSI_PARAM_TCP_WSF_DISABLE: 3988cc91d42SAdheer Chandravanshi case ISCSI_PARAM_TCP_NAGLE_DISABLE: 3998cc91d42SAdheer Chandravanshi case ISCSI_PARAM_TCP_TIMER_SCALE: 4008cc91d42SAdheer Chandravanshi case ISCSI_PARAM_TCP_TIMESTAMP_EN: 4018cc91d42SAdheer Chandravanshi case ISCSI_PARAM_TCP_XMIT_WSF: 4028cc91d42SAdheer Chandravanshi case ISCSI_PARAM_TCP_RECV_WSF: 4038cc91d42SAdheer Chandravanshi case ISCSI_PARAM_IP_FRAGMENT_DISABLE: 4048cc91d42SAdheer Chandravanshi case ISCSI_PARAM_IPV4_TOS: 4058cc91d42SAdheer Chandravanshi case ISCSI_PARAM_IPV6_TC: 4068cc91d42SAdheer Chandravanshi case ISCSI_PARAM_IPV6_FLOW_LABEL: 4078cc91d42SAdheer Chandravanshi case ISCSI_PARAM_IS_FW_ASSIGNED_IPV6: 4088cc91d42SAdheer Chandravanshi case ISCSI_PARAM_KEEPALIVE_TMO: 4098cc91d42SAdheer Chandravanshi case ISCSI_PARAM_LOCAL_PORT: 4108cc91d42SAdheer Chandravanshi case ISCSI_PARAM_ISID: 4118cc91d42SAdheer Chandravanshi case ISCSI_PARAM_TSID: 4128cc91d42SAdheer Chandravanshi case ISCSI_PARAM_DEF_TASKMGMT_TMO: 4138cc91d42SAdheer Chandravanshi case ISCSI_PARAM_ERL: 4148cc91d42SAdheer Chandravanshi case ISCSI_PARAM_STATSN: 4158cc91d42SAdheer Chandravanshi case ISCSI_PARAM_EXP_STATSN: 4168cc91d42SAdheer Chandravanshi case ISCSI_PARAM_DISCOVERY_PARENT_IDX: 4178cc91d42SAdheer Chandravanshi case ISCSI_PARAM_DISCOVERY_PARENT_TYPE: 418fb734ee3SAdheer Chandravanshi case ISCSI_PARAM_LOCAL_IPADDR: 4193128c6c7SMike Christie return S_IRUGO; 4203128c6c7SMike Christie default: 4213128c6c7SMike Christie return 0; 4223128c6c7SMike Christie } 423b78dbba0SMike Christie case ISCSI_NET_PARAM: 424b78dbba0SMike Christie switch (param) { 425b78dbba0SMike Christie case ISCSI_NET_PARAM_IPV4_ADDR: 426b78dbba0SMike Christie case ISCSI_NET_PARAM_IPV4_SUBNET: 427b78dbba0SMike Christie case ISCSI_NET_PARAM_IPV4_GW: 428b78dbba0SMike Christie case ISCSI_NET_PARAM_IPV4_BOOTPROTO: 429b78dbba0SMike Christie case ISCSI_NET_PARAM_IFACE_ENABLE: 430b78dbba0SMike Christie case ISCSI_NET_PARAM_IPV6_LINKLOCAL: 431b78dbba0SMike Christie case ISCSI_NET_PARAM_IPV6_ADDR: 432b78dbba0SMike Christie case ISCSI_NET_PARAM_IPV6_ROUTER: 433b78dbba0SMike Christie case ISCSI_NET_PARAM_IPV6_ADDR_AUTOCFG: 434b78dbba0SMike Christie case ISCSI_NET_PARAM_IPV6_LINKLOCAL_AUTOCFG: 4356ac73e8cSVikas Chaudhary case ISCSI_NET_PARAM_VLAN_ID: 4366ac73e8cSVikas Chaudhary case ISCSI_NET_PARAM_VLAN_PRIORITY: 4376ac73e8cSVikas Chaudhary case ISCSI_NET_PARAM_VLAN_ENABLED: 438943c157bSVikas Chaudhary case ISCSI_NET_PARAM_MTU: 4392ada7fc5SVikas Chaudhary case ISCSI_NET_PARAM_PORT: 440f8e93412SHarish Zunjarrao case ISCSI_NET_PARAM_IPADDR_STATE: 441f8e93412SHarish Zunjarrao case ISCSI_NET_PARAM_IPV6_LINKLOCAL_STATE: 442f8e93412SHarish Zunjarrao case ISCSI_NET_PARAM_IPV6_ROUTER_STATE: 443f8e93412SHarish Zunjarrao case ISCSI_NET_PARAM_DELAYED_ACK_EN: 444f8e93412SHarish Zunjarrao case ISCSI_NET_PARAM_TCP_NAGLE_DISABLE: 445f8e93412SHarish Zunjarrao case ISCSI_NET_PARAM_TCP_WSF_DISABLE: 446f8e93412SHarish Zunjarrao case ISCSI_NET_PARAM_TCP_WSF: 447f8e93412SHarish Zunjarrao case ISCSI_NET_PARAM_TCP_TIMER_SCALE: 448f8e93412SHarish Zunjarrao case ISCSI_NET_PARAM_TCP_TIMESTAMP_EN: 449f8e93412SHarish Zunjarrao case ISCSI_NET_PARAM_CACHE_ID: 450f8e93412SHarish Zunjarrao case ISCSI_NET_PARAM_IPV4_DHCP_DNS_ADDR_EN: 451f8e93412SHarish Zunjarrao case ISCSI_NET_PARAM_IPV4_DHCP_SLP_DA_EN: 452f8e93412SHarish Zunjarrao case ISCSI_NET_PARAM_IPV4_TOS_EN: 453f8e93412SHarish Zunjarrao case ISCSI_NET_PARAM_IPV4_TOS: 454f8e93412SHarish Zunjarrao case ISCSI_NET_PARAM_IPV4_GRAT_ARP_EN: 455f8e93412SHarish Zunjarrao case ISCSI_NET_PARAM_IPV4_DHCP_ALT_CLIENT_ID_EN: 456f8e93412SHarish Zunjarrao case ISCSI_NET_PARAM_IPV4_DHCP_ALT_CLIENT_ID: 457f8e93412SHarish Zunjarrao case ISCSI_NET_PARAM_IPV4_DHCP_REQ_VENDOR_ID_EN: 458f8e93412SHarish Zunjarrao case ISCSI_NET_PARAM_IPV4_DHCP_USE_VENDOR_ID_EN: 459f8e93412SHarish Zunjarrao case ISCSI_NET_PARAM_IPV4_DHCP_VENDOR_ID: 460f8e93412SHarish Zunjarrao case ISCSI_NET_PARAM_IPV4_DHCP_LEARN_IQN_EN: 461f8e93412SHarish Zunjarrao case ISCSI_NET_PARAM_IPV4_FRAGMENT_DISABLE: 462f8e93412SHarish Zunjarrao case ISCSI_NET_PARAM_IPV4_IN_FORWARD_EN: 463f8e93412SHarish Zunjarrao case ISCSI_NET_PARAM_REDIRECT_EN: 464f8e93412SHarish Zunjarrao case ISCSI_NET_PARAM_IPV4_TTL: 465f8e93412SHarish Zunjarrao case ISCSI_NET_PARAM_IPV6_GRAT_NEIGHBOR_ADV_EN: 466f8e93412SHarish Zunjarrao case ISCSI_NET_PARAM_IPV6_MLD_EN: 467f8e93412SHarish Zunjarrao case ISCSI_NET_PARAM_IPV6_FLOW_LABEL: 468f8e93412SHarish Zunjarrao case ISCSI_NET_PARAM_IPV6_TRAFFIC_CLASS: 469f8e93412SHarish Zunjarrao case ISCSI_NET_PARAM_IPV6_HOP_LIMIT: 470f8e93412SHarish Zunjarrao case ISCSI_NET_PARAM_IPV6_ND_REACHABLE_TMO: 471f8e93412SHarish Zunjarrao case ISCSI_NET_PARAM_IPV6_ND_REXMIT_TIME: 472f8e93412SHarish Zunjarrao case ISCSI_NET_PARAM_IPV6_ND_STALE_TMO: 473f8e93412SHarish Zunjarrao case ISCSI_NET_PARAM_IPV6_DUP_ADDR_DETECT_CNT: 474f8e93412SHarish Zunjarrao case ISCSI_NET_PARAM_IPV6_RTR_ADV_LINK_MTU: 475f8e93412SHarish Zunjarrao return S_IRUGO; 476f8e93412SHarish Zunjarrao default: 477f8e93412SHarish Zunjarrao return 0; 478f8e93412SHarish Zunjarrao } 479f8e93412SHarish Zunjarrao case ISCSI_IFACE_PARAM: 480f8e93412SHarish Zunjarrao switch (param) { 481f8e93412SHarish Zunjarrao case ISCSI_IFACE_PARAM_DEF_TASKMGMT_TMO: 482f8e93412SHarish Zunjarrao case ISCSI_IFACE_PARAM_HDRDGST_EN: 483f8e93412SHarish Zunjarrao case ISCSI_IFACE_PARAM_DATADGST_EN: 484f8e93412SHarish Zunjarrao case ISCSI_IFACE_PARAM_IMM_DATA_EN: 485f8e93412SHarish Zunjarrao case ISCSI_IFACE_PARAM_INITIAL_R2T_EN: 486f8e93412SHarish Zunjarrao case ISCSI_IFACE_PARAM_DATASEQ_INORDER_EN: 487f8e93412SHarish Zunjarrao case ISCSI_IFACE_PARAM_PDU_INORDER_EN: 488f8e93412SHarish Zunjarrao case ISCSI_IFACE_PARAM_ERL: 489f8e93412SHarish Zunjarrao case ISCSI_IFACE_PARAM_MAX_RECV_DLENGTH: 490f8e93412SHarish Zunjarrao case ISCSI_IFACE_PARAM_FIRST_BURST: 491f8e93412SHarish Zunjarrao case ISCSI_IFACE_PARAM_MAX_R2T: 492f8e93412SHarish Zunjarrao case ISCSI_IFACE_PARAM_MAX_BURST: 493f8e93412SHarish Zunjarrao case ISCSI_IFACE_PARAM_CHAP_AUTH_EN: 494f8e93412SHarish Zunjarrao case ISCSI_IFACE_PARAM_BIDI_CHAP_EN: 495f8e93412SHarish Zunjarrao case ISCSI_IFACE_PARAM_DISCOVERY_AUTH_OPTIONAL: 496f8e93412SHarish Zunjarrao case ISCSI_IFACE_PARAM_DISCOVERY_LOGOUT_EN: 497f8e93412SHarish Zunjarrao case ISCSI_IFACE_PARAM_STRICT_LOGIN_COMP_EN: 498f8e93412SHarish Zunjarrao case ISCSI_IFACE_PARAM_INITIATOR_NAME: 499b78dbba0SMike Christie return S_IRUGO; 500b78dbba0SMike Christie default: 501b78dbba0SMike Christie return 0; 502b78dbba0SMike Christie } 5031e9e2be3SAdheer Chandravanshi case ISCSI_FLASHNODE_PARAM: 5041e9e2be3SAdheer Chandravanshi switch (param) { 5051e9e2be3SAdheer Chandravanshi case ISCSI_FLASHNODE_IS_FW_ASSIGNED_IPV6: 5061e9e2be3SAdheer Chandravanshi case ISCSI_FLASHNODE_PORTAL_TYPE: 5071e9e2be3SAdheer Chandravanshi case ISCSI_FLASHNODE_AUTO_SND_TGT_DISABLE: 5081e9e2be3SAdheer Chandravanshi case ISCSI_FLASHNODE_DISCOVERY_SESS: 5091e9e2be3SAdheer Chandravanshi case ISCSI_FLASHNODE_ENTRY_EN: 5101e9e2be3SAdheer Chandravanshi case ISCSI_FLASHNODE_HDR_DGST_EN: 5111e9e2be3SAdheer Chandravanshi case ISCSI_FLASHNODE_DATA_DGST_EN: 5121e9e2be3SAdheer Chandravanshi case ISCSI_FLASHNODE_IMM_DATA_EN: 5131e9e2be3SAdheer Chandravanshi case ISCSI_FLASHNODE_INITIAL_R2T_EN: 5141e9e2be3SAdheer Chandravanshi case ISCSI_FLASHNODE_DATASEQ_INORDER: 5151e9e2be3SAdheer Chandravanshi case ISCSI_FLASHNODE_PDU_INORDER: 5161e9e2be3SAdheer Chandravanshi case ISCSI_FLASHNODE_CHAP_AUTH_EN: 5171e9e2be3SAdheer Chandravanshi case ISCSI_FLASHNODE_SNACK_REQ_EN: 5181e9e2be3SAdheer Chandravanshi case ISCSI_FLASHNODE_DISCOVERY_LOGOUT_EN: 5191e9e2be3SAdheer Chandravanshi case ISCSI_FLASHNODE_BIDI_CHAP_EN: 5201e9e2be3SAdheer Chandravanshi case ISCSI_FLASHNODE_DISCOVERY_AUTH_OPTIONAL: 5211e9e2be3SAdheer Chandravanshi case ISCSI_FLASHNODE_ERL: 5221e9e2be3SAdheer Chandravanshi case ISCSI_FLASHNODE_TCP_TIMESTAMP_STAT: 5231e9e2be3SAdheer Chandravanshi case ISCSI_FLASHNODE_TCP_NAGLE_DISABLE: 5241e9e2be3SAdheer Chandravanshi case ISCSI_FLASHNODE_TCP_WSF_DISABLE: 5251e9e2be3SAdheer Chandravanshi case ISCSI_FLASHNODE_TCP_TIMER_SCALE: 5261e9e2be3SAdheer Chandravanshi case ISCSI_FLASHNODE_TCP_TIMESTAMP_EN: 5271e9e2be3SAdheer Chandravanshi case ISCSI_FLASHNODE_IP_FRAG_DISABLE: 5281e9e2be3SAdheer Chandravanshi case ISCSI_FLASHNODE_MAX_RECV_DLENGTH: 5291e9e2be3SAdheer Chandravanshi case ISCSI_FLASHNODE_MAX_XMIT_DLENGTH: 5301e9e2be3SAdheer Chandravanshi case ISCSI_FLASHNODE_FIRST_BURST: 5311e9e2be3SAdheer Chandravanshi case ISCSI_FLASHNODE_DEF_TIME2WAIT: 5321e9e2be3SAdheer Chandravanshi case ISCSI_FLASHNODE_DEF_TIME2RETAIN: 5331e9e2be3SAdheer Chandravanshi case ISCSI_FLASHNODE_MAX_R2T: 5341e9e2be3SAdheer Chandravanshi case ISCSI_FLASHNODE_KEEPALIVE_TMO: 5351e9e2be3SAdheer Chandravanshi case ISCSI_FLASHNODE_ISID: 5361e9e2be3SAdheer Chandravanshi case ISCSI_FLASHNODE_TSID: 5371e9e2be3SAdheer Chandravanshi case ISCSI_FLASHNODE_PORT: 5381e9e2be3SAdheer Chandravanshi case ISCSI_FLASHNODE_MAX_BURST: 5391e9e2be3SAdheer Chandravanshi case ISCSI_FLASHNODE_DEF_TASKMGMT_TMO: 5401e9e2be3SAdheer Chandravanshi case ISCSI_FLASHNODE_IPADDR: 5411e9e2be3SAdheer Chandravanshi case ISCSI_FLASHNODE_ALIAS: 5421e9e2be3SAdheer Chandravanshi case ISCSI_FLASHNODE_REDIRECT_IPADDR: 5431e9e2be3SAdheer Chandravanshi case ISCSI_FLASHNODE_MAX_SEGMENT_SIZE: 5441e9e2be3SAdheer Chandravanshi case ISCSI_FLASHNODE_LOCAL_PORT: 5451e9e2be3SAdheer Chandravanshi case ISCSI_FLASHNODE_IPV4_TOS: 5461e9e2be3SAdheer Chandravanshi case ISCSI_FLASHNODE_IPV6_TC: 5471e9e2be3SAdheer Chandravanshi case ISCSI_FLASHNODE_IPV6_FLOW_LABEL: 5481e9e2be3SAdheer Chandravanshi case ISCSI_FLASHNODE_NAME: 5491e9e2be3SAdheer Chandravanshi case ISCSI_FLASHNODE_TPGT: 5501e9e2be3SAdheer Chandravanshi case ISCSI_FLASHNODE_LINK_LOCAL_IPV6: 5511e9e2be3SAdheer Chandravanshi case ISCSI_FLASHNODE_DISCOVERY_PARENT_IDX: 5521e9e2be3SAdheer Chandravanshi case ISCSI_FLASHNODE_DISCOVERY_PARENT_TYPE: 5531e9e2be3SAdheer Chandravanshi case ISCSI_FLASHNODE_TCP_XMIT_WSF: 5541e9e2be3SAdheer Chandravanshi case ISCSI_FLASHNODE_TCP_RECV_WSF: 5551e9e2be3SAdheer Chandravanshi case ISCSI_FLASHNODE_CHAP_OUT_IDX: 5561e9e2be3SAdheer Chandravanshi case ISCSI_FLASHNODE_USERNAME: 5571e9e2be3SAdheer Chandravanshi case ISCSI_FLASHNODE_PASSWORD: 5581e9e2be3SAdheer Chandravanshi case ISCSI_FLASHNODE_STATSN: 5591e9e2be3SAdheer Chandravanshi case ISCSI_FLASHNODE_EXP_STATSN: 5601e9e2be3SAdheer Chandravanshi case ISCSI_FLASHNODE_IS_BOOT_TGT: 5611e9e2be3SAdheer Chandravanshi return S_IRUGO; 5621e9e2be3SAdheer Chandravanshi default: 5631e9e2be3SAdheer Chandravanshi return 0; 5641e9e2be3SAdheer Chandravanshi } 5653128c6c7SMike Christie } 5663128c6c7SMike Christie 5673128c6c7SMike Christie return 0; 5683128c6c7SMike Christie } 5693128c6c7SMike Christie 570ea507a25SAdheer Chandravanshi /** 571ea507a25SAdheer Chandravanshi * qla4xxx_create chap_list - Create CHAP list from FLASH 572ea507a25SAdheer Chandravanshi * @ha: pointer to adapter structure 573ea507a25SAdheer Chandravanshi * 574ea507a25SAdheer Chandravanshi * Read flash and make a list of CHAP entries, during login when a CHAP entry 575ea507a25SAdheer Chandravanshi * is received, it will be checked in this list. If entry exist then the CHAP 576ea507a25SAdheer Chandravanshi * entry index is set in the DDB. If CHAP entry does not exist in this list 577ea507a25SAdheer Chandravanshi * then a new entry is added in FLASH in CHAP table and the index obtained is 578ea507a25SAdheer Chandravanshi * used in the DDB. 579ea507a25SAdheer Chandravanshi **/ 580ea507a25SAdheer Chandravanshi static void qla4xxx_create_chap_list(struct scsi_qla_host *ha) 581ea507a25SAdheer Chandravanshi { 582ea507a25SAdheer Chandravanshi int rval = 0; 583ea507a25SAdheer Chandravanshi uint8_t *chap_flash_data = NULL; 584ea507a25SAdheer Chandravanshi uint32_t offset; 585ea507a25SAdheer Chandravanshi dma_addr_t chap_dma; 586ea507a25SAdheer Chandravanshi uint32_t chap_size = 0; 587ea507a25SAdheer Chandravanshi 588ea507a25SAdheer Chandravanshi if (is_qla40XX(ha)) 589ea507a25SAdheer Chandravanshi chap_size = MAX_CHAP_ENTRIES_40XX * 590ea507a25SAdheer Chandravanshi sizeof(struct ql4_chap_table); 591ea507a25SAdheer Chandravanshi else /* Single region contains CHAP info for both 592ea507a25SAdheer Chandravanshi * ports which is divided into half for each port. 593ea507a25SAdheer Chandravanshi */ 594ea507a25SAdheer Chandravanshi chap_size = ha->hw.flt_chap_size / 2; 595ea507a25SAdheer Chandravanshi 596ea507a25SAdheer Chandravanshi chap_flash_data = dma_alloc_coherent(&ha->pdev->dev, chap_size, 597ea507a25SAdheer Chandravanshi &chap_dma, GFP_KERNEL); 598ea507a25SAdheer Chandravanshi if (!chap_flash_data) { 599ea507a25SAdheer Chandravanshi ql4_printk(KERN_ERR, ha, "No memory for chap_flash_data\n"); 600ea507a25SAdheer Chandravanshi return; 601ea507a25SAdheer Chandravanshi } 602ea507a25SAdheer Chandravanshi 603ea507a25SAdheer Chandravanshi if (is_qla40XX(ha)) { 604ea507a25SAdheer Chandravanshi offset = FLASH_CHAP_OFFSET; 605ea507a25SAdheer Chandravanshi } else { 606ea507a25SAdheer Chandravanshi offset = FLASH_RAW_ACCESS_ADDR + (ha->hw.flt_region_chap << 2); 607ea507a25SAdheer Chandravanshi if (ha->port_num == 1) 608ea507a25SAdheer Chandravanshi offset += chap_size; 609ea507a25SAdheer Chandravanshi } 610ea507a25SAdheer Chandravanshi 611ea507a25SAdheer Chandravanshi rval = qla4xxx_get_flash(ha, chap_dma, offset, chap_size); 612ea507a25SAdheer Chandravanshi if (rval != QLA_SUCCESS) 613ea507a25SAdheer Chandravanshi goto exit_chap_list; 614ea507a25SAdheer Chandravanshi 615ea507a25SAdheer Chandravanshi if (ha->chap_list == NULL) 616ea507a25SAdheer Chandravanshi ha->chap_list = vmalloc(chap_size); 617ea507a25SAdheer Chandravanshi if (ha->chap_list == NULL) { 618ea507a25SAdheer Chandravanshi ql4_printk(KERN_ERR, ha, "No memory for ha->chap_list\n"); 619ea507a25SAdheer Chandravanshi goto exit_chap_list; 620ea507a25SAdheer Chandravanshi } 621ea507a25SAdheer Chandravanshi 622ea507a25SAdheer Chandravanshi memset(ha->chap_list, 0, chap_size); 623ea507a25SAdheer Chandravanshi memcpy(ha->chap_list, chap_flash_data, chap_size); 624ea507a25SAdheer Chandravanshi 625ea507a25SAdheer Chandravanshi exit_chap_list: 626ea507a25SAdheer Chandravanshi dma_free_coherent(&ha->pdev->dev, chap_size, chap_flash_data, chap_dma); 627ea507a25SAdheer Chandravanshi } 628ea507a25SAdheer Chandravanshi 62926ffd7b4SAdheer Chandravanshi static int qla4xxx_get_chap_by_index(struct scsi_qla_host *ha, 63026ffd7b4SAdheer Chandravanshi int16_t chap_index, 63126ffd7b4SAdheer Chandravanshi struct ql4_chap_table **chap_entry) 63226ffd7b4SAdheer Chandravanshi { 63326ffd7b4SAdheer Chandravanshi int rval = QLA_ERROR; 63426ffd7b4SAdheer Chandravanshi int max_chap_entries; 63526ffd7b4SAdheer Chandravanshi 63626ffd7b4SAdheer Chandravanshi if (!ha->chap_list) { 63726ffd7b4SAdheer Chandravanshi ql4_printk(KERN_ERR, ha, "CHAP table cache is empty!\n"); 63826ffd7b4SAdheer Chandravanshi rval = QLA_ERROR; 63926ffd7b4SAdheer Chandravanshi goto exit_get_chap; 64026ffd7b4SAdheer Chandravanshi } 64126ffd7b4SAdheer Chandravanshi 64226ffd7b4SAdheer Chandravanshi if (is_qla80XX(ha)) 64326ffd7b4SAdheer Chandravanshi max_chap_entries = (ha->hw.flt_chap_size / 2) / 64426ffd7b4SAdheer Chandravanshi sizeof(struct ql4_chap_table); 64526ffd7b4SAdheer Chandravanshi else 64626ffd7b4SAdheer Chandravanshi max_chap_entries = MAX_CHAP_ENTRIES_40XX; 64726ffd7b4SAdheer Chandravanshi 64826ffd7b4SAdheer Chandravanshi if (chap_index > max_chap_entries) { 64926ffd7b4SAdheer Chandravanshi ql4_printk(KERN_ERR, ha, "Invalid Chap index\n"); 65026ffd7b4SAdheer Chandravanshi rval = QLA_ERROR; 65126ffd7b4SAdheer Chandravanshi goto exit_get_chap; 65226ffd7b4SAdheer Chandravanshi } 65326ffd7b4SAdheer Chandravanshi 65426ffd7b4SAdheer Chandravanshi *chap_entry = (struct ql4_chap_table *)ha->chap_list + chap_index; 65526ffd7b4SAdheer Chandravanshi if ((*chap_entry)->cookie != 65626ffd7b4SAdheer Chandravanshi __constant_cpu_to_le16(CHAP_VALID_COOKIE)) { 65726ffd7b4SAdheer Chandravanshi rval = QLA_ERROR; 65826ffd7b4SAdheer Chandravanshi *chap_entry = NULL; 65926ffd7b4SAdheer Chandravanshi } else { 66026ffd7b4SAdheer Chandravanshi rval = QLA_SUCCESS; 66126ffd7b4SAdheer Chandravanshi } 66226ffd7b4SAdheer Chandravanshi 66326ffd7b4SAdheer Chandravanshi exit_get_chap: 66426ffd7b4SAdheer Chandravanshi return rval; 66526ffd7b4SAdheer Chandravanshi } 66626ffd7b4SAdheer Chandravanshi 66726ffd7b4SAdheer Chandravanshi /** 66826ffd7b4SAdheer Chandravanshi * qla4xxx_find_free_chap_index - Find the first free chap index 66926ffd7b4SAdheer Chandravanshi * @ha: pointer to adapter structure 67026ffd7b4SAdheer Chandravanshi * @chap_index: CHAP index to be returned 67126ffd7b4SAdheer Chandravanshi * 67226ffd7b4SAdheer Chandravanshi * Find the first free chap index available in the chap table 67326ffd7b4SAdheer Chandravanshi * 67426ffd7b4SAdheer Chandravanshi * Note: Caller should acquire the chap lock before getting here. 67526ffd7b4SAdheer Chandravanshi **/ 67626ffd7b4SAdheer Chandravanshi static int qla4xxx_find_free_chap_index(struct scsi_qla_host *ha, 67726ffd7b4SAdheer Chandravanshi uint16_t *chap_index) 67826ffd7b4SAdheer Chandravanshi { 67926ffd7b4SAdheer Chandravanshi int i, rval; 68026ffd7b4SAdheer Chandravanshi int free_index = -1; 68126ffd7b4SAdheer Chandravanshi int max_chap_entries = 0; 68226ffd7b4SAdheer Chandravanshi struct ql4_chap_table *chap_table; 68326ffd7b4SAdheer Chandravanshi 68426ffd7b4SAdheer Chandravanshi if (is_qla80XX(ha)) 68526ffd7b4SAdheer Chandravanshi max_chap_entries = (ha->hw.flt_chap_size / 2) / 68626ffd7b4SAdheer Chandravanshi sizeof(struct ql4_chap_table); 68726ffd7b4SAdheer Chandravanshi else 68826ffd7b4SAdheer Chandravanshi max_chap_entries = MAX_CHAP_ENTRIES_40XX; 68926ffd7b4SAdheer Chandravanshi 69026ffd7b4SAdheer Chandravanshi if (!ha->chap_list) { 69126ffd7b4SAdheer Chandravanshi ql4_printk(KERN_ERR, ha, "CHAP table cache is empty!\n"); 69226ffd7b4SAdheer Chandravanshi rval = QLA_ERROR; 69326ffd7b4SAdheer Chandravanshi goto exit_find_chap; 69426ffd7b4SAdheer Chandravanshi } 69526ffd7b4SAdheer Chandravanshi 69626ffd7b4SAdheer Chandravanshi for (i = 0; i < max_chap_entries; i++) { 69726ffd7b4SAdheer Chandravanshi chap_table = (struct ql4_chap_table *)ha->chap_list + i; 69826ffd7b4SAdheer Chandravanshi 69926ffd7b4SAdheer Chandravanshi if ((chap_table->cookie != 70026ffd7b4SAdheer Chandravanshi __constant_cpu_to_le16(CHAP_VALID_COOKIE)) && 70126ffd7b4SAdheer Chandravanshi (i > MAX_RESRV_CHAP_IDX)) { 70226ffd7b4SAdheer Chandravanshi free_index = i; 70326ffd7b4SAdheer Chandravanshi break; 70426ffd7b4SAdheer Chandravanshi } 70526ffd7b4SAdheer Chandravanshi } 70626ffd7b4SAdheer Chandravanshi 70726ffd7b4SAdheer Chandravanshi if (free_index != -1) { 70826ffd7b4SAdheer Chandravanshi *chap_index = free_index; 70926ffd7b4SAdheer Chandravanshi rval = QLA_SUCCESS; 71026ffd7b4SAdheer Chandravanshi } else { 71126ffd7b4SAdheer Chandravanshi rval = QLA_ERROR; 71226ffd7b4SAdheer Chandravanshi } 71326ffd7b4SAdheer Chandravanshi 71426ffd7b4SAdheer Chandravanshi exit_find_chap: 71526ffd7b4SAdheer Chandravanshi return rval; 71626ffd7b4SAdheer Chandravanshi } 71726ffd7b4SAdheer Chandravanshi 718376738afSNilesh Javali static int qla4xxx_get_chap_list(struct Scsi_Host *shost, uint16_t chap_tbl_idx, 719376738afSNilesh Javali uint32_t *num_entries, char *buf) 720376738afSNilesh Javali { 721376738afSNilesh Javali struct scsi_qla_host *ha = to_qla_host(shost); 722376738afSNilesh Javali struct ql4_chap_table *chap_table; 723376738afSNilesh Javali struct iscsi_chap_rec *chap_rec; 724376738afSNilesh Javali int max_chap_entries = 0; 725376738afSNilesh Javali int valid_chap_entries = 0; 726376738afSNilesh Javali int ret = 0, i; 727376738afSNilesh Javali 728d11b0ca3SVikas Chaudhary if (is_qla80XX(ha)) 729376738afSNilesh Javali max_chap_entries = (ha->hw.flt_chap_size / 2) / 730376738afSNilesh Javali sizeof(struct ql4_chap_table); 731376738afSNilesh Javali else 732376738afSNilesh Javali max_chap_entries = MAX_CHAP_ENTRIES_40XX; 733376738afSNilesh Javali 734376738afSNilesh Javali ql4_printk(KERN_INFO, ha, "%s: num_entries = %d, CHAP idx = %d\n", 735376738afSNilesh Javali __func__, *num_entries, chap_tbl_idx); 736376738afSNilesh Javali 737376738afSNilesh Javali if (!buf) { 738376738afSNilesh Javali ret = -ENOMEM; 739376738afSNilesh Javali goto exit_get_chap_list; 740376738afSNilesh Javali } 741376738afSNilesh Javali 742ea507a25SAdheer Chandravanshi qla4xxx_create_chap_list(ha); 743ea507a25SAdheer Chandravanshi 744376738afSNilesh Javali chap_rec = (struct iscsi_chap_rec *) buf; 745376738afSNilesh Javali mutex_lock(&ha->chap_sem); 746376738afSNilesh Javali for (i = chap_tbl_idx; i < max_chap_entries; i++) { 747376738afSNilesh Javali chap_table = (struct ql4_chap_table *)ha->chap_list + i; 748376738afSNilesh Javali if (chap_table->cookie != 749376738afSNilesh Javali __constant_cpu_to_le16(CHAP_VALID_COOKIE)) 750376738afSNilesh Javali continue; 751376738afSNilesh Javali 752376738afSNilesh Javali chap_rec->chap_tbl_idx = i; 753bdbb9662SRickard Strandqvist strlcpy(chap_rec->username, chap_table->name, 754376738afSNilesh Javali ISCSI_CHAP_AUTH_NAME_MAX_LEN); 755bdbb9662SRickard Strandqvist strlcpy(chap_rec->password, chap_table->secret, 756376738afSNilesh Javali QL4_CHAP_MAX_SECRET_LEN); 757376738afSNilesh Javali chap_rec->password_length = chap_table->secret_len; 758376738afSNilesh Javali 759376738afSNilesh Javali if (chap_table->flags & BIT_7) /* local */ 760376738afSNilesh Javali chap_rec->chap_type = CHAP_TYPE_OUT; 761376738afSNilesh Javali 762376738afSNilesh Javali if (chap_table->flags & BIT_6) /* peer */ 763376738afSNilesh Javali chap_rec->chap_type = CHAP_TYPE_IN; 764376738afSNilesh Javali 765376738afSNilesh Javali chap_rec++; 766376738afSNilesh Javali 767376738afSNilesh Javali valid_chap_entries++; 768376738afSNilesh Javali if (valid_chap_entries == *num_entries) 769376738afSNilesh Javali break; 770376738afSNilesh Javali else 771376738afSNilesh Javali continue; 772376738afSNilesh Javali } 773376738afSNilesh Javali mutex_unlock(&ha->chap_sem); 774376738afSNilesh Javali 775376738afSNilesh Javali exit_get_chap_list: 776376738afSNilesh Javali ql4_printk(KERN_INFO, ha, "%s: Valid CHAP Entries = %d\n", 777376738afSNilesh Javali __func__, valid_chap_entries); 778376738afSNilesh Javali *num_entries = valid_chap_entries; 779376738afSNilesh Javali return ret; 780376738afSNilesh Javali } 781376738afSNilesh Javali 782376738afSNilesh Javali static int __qla4xxx_is_chap_active(struct device *dev, void *data) 783376738afSNilesh Javali { 784376738afSNilesh Javali int ret = 0; 785376738afSNilesh Javali uint16_t *chap_tbl_idx = (uint16_t *) data; 786376738afSNilesh Javali struct iscsi_cls_session *cls_session; 787376738afSNilesh Javali struct iscsi_session *sess; 788376738afSNilesh Javali struct ddb_entry *ddb_entry; 789376738afSNilesh Javali 790376738afSNilesh Javali if (!iscsi_is_session_dev(dev)) 791376738afSNilesh Javali goto exit_is_chap_active; 792376738afSNilesh Javali 793376738afSNilesh Javali cls_session = iscsi_dev_to_session(dev); 794376738afSNilesh Javali sess = cls_session->dd_data; 795376738afSNilesh Javali ddb_entry = sess->dd_data; 796376738afSNilesh Javali 797376738afSNilesh Javali if (iscsi_session_chkready(cls_session)) 798376738afSNilesh Javali goto exit_is_chap_active; 799376738afSNilesh Javali 800376738afSNilesh Javali if (ddb_entry->chap_tbl_idx == *chap_tbl_idx) 801376738afSNilesh Javali ret = 1; 802376738afSNilesh Javali 803376738afSNilesh Javali exit_is_chap_active: 804376738afSNilesh Javali return ret; 805376738afSNilesh Javali } 806376738afSNilesh Javali 807376738afSNilesh Javali static int qla4xxx_is_chap_active(struct Scsi_Host *shost, 808376738afSNilesh Javali uint16_t chap_tbl_idx) 809376738afSNilesh Javali { 810376738afSNilesh Javali int ret = 0; 811376738afSNilesh Javali 812376738afSNilesh Javali ret = device_for_each_child(&shost->shost_gendev, &chap_tbl_idx, 813376738afSNilesh Javali __qla4xxx_is_chap_active); 814376738afSNilesh Javali 815376738afSNilesh Javali return ret; 816376738afSNilesh Javali } 817376738afSNilesh Javali 818376738afSNilesh Javali static int qla4xxx_delete_chap(struct Scsi_Host *shost, uint16_t chap_tbl_idx) 819376738afSNilesh Javali { 820376738afSNilesh Javali struct scsi_qla_host *ha = to_qla_host(shost); 821376738afSNilesh Javali struct ql4_chap_table *chap_table; 822376738afSNilesh Javali dma_addr_t chap_dma; 823376738afSNilesh Javali int max_chap_entries = 0; 824376738afSNilesh Javali uint32_t offset = 0; 825376738afSNilesh Javali uint32_t chap_size; 826376738afSNilesh Javali int ret = 0; 827376738afSNilesh Javali 828376738afSNilesh Javali chap_table = dma_pool_alloc(ha->chap_dma_pool, GFP_KERNEL, &chap_dma); 829376738afSNilesh Javali if (chap_table == NULL) 830376738afSNilesh Javali return -ENOMEM; 831376738afSNilesh Javali 832376738afSNilesh Javali memset(chap_table, 0, sizeof(struct ql4_chap_table)); 833376738afSNilesh Javali 834d11b0ca3SVikas Chaudhary if (is_qla80XX(ha)) 835376738afSNilesh Javali max_chap_entries = (ha->hw.flt_chap_size / 2) / 836376738afSNilesh Javali sizeof(struct ql4_chap_table); 837376738afSNilesh Javali else 838376738afSNilesh Javali max_chap_entries = MAX_CHAP_ENTRIES_40XX; 839376738afSNilesh Javali 840376738afSNilesh Javali if (chap_tbl_idx > max_chap_entries) { 841376738afSNilesh Javali ret = -EINVAL; 842376738afSNilesh Javali goto exit_delete_chap; 843376738afSNilesh Javali } 844376738afSNilesh Javali 845376738afSNilesh Javali /* Check if chap index is in use. 846376738afSNilesh Javali * If chap is in use don't delet chap entry */ 847376738afSNilesh Javali ret = qla4xxx_is_chap_active(shost, chap_tbl_idx); 848376738afSNilesh Javali if (ret) { 849376738afSNilesh Javali ql4_printk(KERN_INFO, ha, "CHAP entry %d is in use, cannot " 850376738afSNilesh Javali "delete from flash\n", chap_tbl_idx); 851376738afSNilesh Javali ret = -EBUSY; 852376738afSNilesh Javali goto exit_delete_chap; 853376738afSNilesh Javali } 854376738afSNilesh Javali 855376738afSNilesh Javali chap_size = sizeof(struct ql4_chap_table); 856376738afSNilesh Javali if (is_qla40XX(ha)) 857376738afSNilesh Javali offset = FLASH_CHAP_OFFSET | (chap_tbl_idx * chap_size); 858376738afSNilesh Javali else { 859376738afSNilesh Javali offset = FLASH_RAW_ACCESS_ADDR + (ha->hw.flt_region_chap << 2); 860376738afSNilesh Javali /* flt_chap_size is CHAP table size for both ports 861376738afSNilesh Javali * so divide it by 2 to calculate the offset for second port 862376738afSNilesh Javali */ 863376738afSNilesh Javali if (ha->port_num == 1) 864376738afSNilesh Javali offset += (ha->hw.flt_chap_size / 2); 865376738afSNilesh Javali offset += (chap_tbl_idx * chap_size); 866376738afSNilesh Javali } 867376738afSNilesh Javali 868376738afSNilesh Javali ret = qla4xxx_get_flash(ha, chap_dma, offset, chap_size); 869376738afSNilesh Javali if (ret != QLA_SUCCESS) { 870376738afSNilesh Javali ret = -EINVAL; 871376738afSNilesh Javali goto exit_delete_chap; 872376738afSNilesh Javali } 873376738afSNilesh Javali 874376738afSNilesh Javali DEBUG2(ql4_printk(KERN_INFO, ha, "Chap Cookie: x%x\n", 875376738afSNilesh Javali __le16_to_cpu(chap_table->cookie))); 876376738afSNilesh Javali 877376738afSNilesh Javali if (__le16_to_cpu(chap_table->cookie) != CHAP_VALID_COOKIE) { 878376738afSNilesh Javali ql4_printk(KERN_ERR, ha, "No valid chap entry found\n"); 879376738afSNilesh Javali goto exit_delete_chap; 880376738afSNilesh Javali } 881376738afSNilesh Javali 882376738afSNilesh Javali chap_table->cookie = __constant_cpu_to_le16(0xFFFF); 883376738afSNilesh Javali 884376738afSNilesh Javali offset = FLASH_CHAP_OFFSET | 885376738afSNilesh Javali (chap_tbl_idx * sizeof(struct ql4_chap_table)); 886376738afSNilesh Javali ret = qla4xxx_set_flash(ha, chap_dma, offset, chap_size, 887376738afSNilesh Javali FLASH_OPT_RMW_COMMIT); 888376738afSNilesh Javali if (ret == QLA_SUCCESS && ha->chap_list) { 889376738afSNilesh Javali mutex_lock(&ha->chap_sem); 890376738afSNilesh Javali /* Update ha chap_list cache */ 891376738afSNilesh Javali memcpy((struct ql4_chap_table *)ha->chap_list + chap_tbl_idx, 892376738afSNilesh Javali chap_table, sizeof(struct ql4_chap_table)); 893376738afSNilesh Javali mutex_unlock(&ha->chap_sem); 894376738afSNilesh Javali } 895376738afSNilesh Javali if (ret != QLA_SUCCESS) 896376738afSNilesh Javali ret = -EINVAL; 897376738afSNilesh Javali 898376738afSNilesh Javali exit_delete_chap: 899376738afSNilesh Javali dma_pool_free(ha->chap_dma_pool, chap_table, chap_dma); 900376738afSNilesh Javali return ret; 901376738afSNilesh Javali } 902376738afSNilesh Javali 90326ffd7b4SAdheer Chandravanshi /** 90426ffd7b4SAdheer Chandravanshi * qla4xxx_set_chap_entry - Make chap entry with given information 90526ffd7b4SAdheer Chandravanshi * @shost: pointer to host 90626ffd7b4SAdheer Chandravanshi * @data: chap info - credentials, index and type to make chap entry 90726ffd7b4SAdheer Chandravanshi * @len: length of data 90826ffd7b4SAdheer Chandravanshi * 90926ffd7b4SAdheer Chandravanshi * Add or update chap entry with the given information 91026ffd7b4SAdheer Chandravanshi **/ 91126ffd7b4SAdheer Chandravanshi static int qla4xxx_set_chap_entry(struct Scsi_Host *shost, void *data, int len) 91226ffd7b4SAdheer Chandravanshi { 91326ffd7b4SAdheer Chandravanshi struct scsi_qla_host *ha = to_qla_host(shost); 91426ffd7b4SAdheer Chandravanshi struct iscsi_chap_rec chap_rec; 91526ffd7b4SAdheer Chandravanshi struct ql4_chap_table *chap_entry = NULL; 91626ffd7b4SAdheer Chandravanshi struct iscsi_param_info *param_info; 91726ffd7b4SAdheer Chandravanshi struct nlattr *attr; 91826ffd7b4SAdheer Chandravanshi int max_chap_entries = 0; 91926ffd7b4SAdheer Chandravanshi int type; 92026ffd7b4SAdheer Chandravanshi int rem = len; 92126ffd7b4SAdheer Chandravanshi int rc = 0; 9223c60cfd7SDan Carpenter int size; 92326ffd7b4SAdheer Chandravanshi 92426ffd7b4SAdheer Chandravanshi memset(&chap_rec, 0, sizeof(chap_rec)); 92526ffd7b4SAdheer Chandravanshi 92626ffd7b4SAdheer Chandravanshi nla_for_each_attr(attr, data, len, rem) { 92726ffd7b4SAdheer Chandravanshi param_info = nla_data(attr); 92826ffd7b4SAdheer Chandravanshi 92926ffd7b4SAdheer Chandravanshi switch (param_info->param) { 93026ffd7b4SAdheer Chandravanshi case ISCSI_CHAP_PARAM_INDEX: 93126ffd7b4SAdheer Chandravanshi chap_rec.chap_tbl_idx = *(uint16_t *)param_info->value; 93226ffd7b4SAdheer Chandravanshi break; 93326ffd7b4SAdheer Chandravanshi case ISCSI_CHAP_PARAM_CHAP_TYPE: 93426ffd7b4SAdheer Chandravanshi chap_rec.chap_type = param_info->value[0]; 93526ffd7b4SAdheer Chandravanshi break; 93626ffd7b4SAdheer Chandravanshi case ISCSI_CHAP_PARAM_USERNAME: 9373c60cfd7SDan Carpenter size = min_t(size_t, sizeof(chap_rec.username), 93826ffd7b4SAdheer Chandravanshi param_info->len); 9393c60cfd7SDan Carpenter memcpy(chap_rec.username, param_info->value, size); 94026ffd7b4SAdheer Chandravanshi break; 94126ffd7b4SAdheer Chandravanshi case ISCSI_CHAP_PARAM_PASSWORD: 9423c60cfd7SDan Carpenter size = min_t(size_t, sizeof(chap_rec.password), 94326ffd7b4SAdheer Chandravanshi param_info->len); 9443c60cfd7SDan Carpenter memcpy(chap_rec.password, param_info->value, size); 94526ffd7b4SAdheer Chandravanshi break; 94626ffd7b4SAdheer Chandravanshi case ISCSI_CHAP_PARAM_PASSWORD_LEN: 94726ffd7b4SAdheer Chandravanshi chap_rec.password_length = param_info->value[0]; 94826ffd7b4SAdheer Chandravanshi break; 94926ffd7b4SAdheer Chandravanshi default: 95026ffd7b4SAdheer Chandravanshi ql4_printk(KERN_ERR, ha, 95126ffd7b4SAdheer Chandravanshi "%s: No such sysfs attribute\n", __func__); 95226ffd7b4SAdheer Chandravanshi rc = -ENOSYS; 95326ffd7b4SAdheer Chandravanshi goto exit_set_chap; 95426ffd7b4SAdheer Chandravanshi }; 95526ffd7b4SAdheer Chandravanshi } 95626ffd7b4SAdheer Chandravanshi 95726ffd7b4SAdheer Chandravanshi if (chap_rec.chap_type == CHAP_TYPE_IN) 95826ffd7b4SAdheer Chandravanshi type = BIDI_CHAP; 95926ffd7b4SAdheer Chandravanshi else 96026ffd7b4SAdheer Chandravanshi type = LOCAL_CHAP; 96126ffd7b4SAdheer Chandravanshi 96226ffd7b4SAdheer Chandravanshi if (is_qla80XX(ha)) 96326ffd7b4SAdheer Chandravanshi max_chap_entries = (ha->hw.flt_chap_size / 2) / 96426ffd7b4SAdheer Chandravanshi sizeof(struct ql4_chap_table); 96526ffd7b4SAdheer Chandravanshi else 96626ffd7b4SAdheer Chandravanshi max_chap_entries = MAX_CHAP_ENTRIES_40XX; 96726ffd7b4SAdheer Chandravanshi 96826ffd7b4SAdheer Chandravanshi mutex_lock(&ha->chap_sem); 96926ffd7b4SAdheer Chandravanshi if (chap_rec.chap_tbl_idx < max_chap_entries) { 97026ffd7b4SAdheer Chandravanshi rc = qla4xxx_get_chap_by_index(ha, chap_rec.chap_tbl_idx, 97126ffd7b4SAdheer Chandravanshi &chap_entry); 97226ffd7b4SAdheer Chandravanshi if (!rc) { 97326ffd7b4SAdheer Chandravanshi if (!(type == qla4xxx_get_chap_type(chap_entry))) { 97426ffd7b4SAdheer Chandravanshi ql4_printk(KERN_INFO, ha, 97526ffd7b4SAdheer Chandravanshi "Type mismatch for CHAP entry %d\n", 97626ffd7b4SAdheer Chandravanshi chap_rec.chap_tbl_idx); 97726ffd7b4SAdheer Chandravanshi rc = -EINVAL; 97826ffd7b4SAdheer Chandravanshi goto exit_unlock_chap; 97926ffd7b4SAdheer Chandravanshi } 98026ffd7b4SAdheer Chandravanshi 98126ffd7b4SAdheer Chandravanshi /* If chap index is in use then don't modify it */ 98226ffd7b4SAdheer Chandravanshi rc = qla4xxx_is_chap_active(shost, 98326ffd7b4SAdheer Chandravanshi chap_rec.chap_tbl_idx); 98426ffd7b4SAdheer Chandravanshi if (rc) { 98526ffd7b4SAdheer Chandravanshi ql4_printk(KERN_INFO, ha, 98626ffd7b4SAdheer Chandravanshi "CHAP entry %d is in use\n", 98726ffd7b4SAdheer Chandravanshi chap_rec.chap_tbl_idx); 98826ffd7b4SAdheer Chandravanshi rc = -EBUSY; 98926ffd7b4SAdheer Chandravanshi goto exit_unlock_chap; 99026ffd7b4SAdheer Chandravanshi } 99126ffd7b4SAdheer Chandravanshi } 99226ffd7b4SAdheer Chandravanshi } else { 99326ffd7b4SAdheer Chandravanshi rc = qla4xxx_find_free_chap_index(ha, &chap_rec.chap_tbl_idx); 99426ffd7b4SAdheer Chandravanshi if (rc) { 99526ffd7b4SAdheer Chandravanshi ql4_printk(KERN_INFO, ha, "CHAP entry not available\n"); 99626ffd7b4SAdheer Chandravanshi rc = -EBUSY; 99726ffd7b4SAdheer Chandravanshi goto exit_unlock_chap; 99826ffd7b4SAdheer Chandravanshi } 99926ffd7b4SAdheer Chandravanshi } 100026ffd7b4SAdheer Chandravanshi 100126ffd7b4SAdheer Chandravanshi rc = qla4xxx_set_chap(ha, chap_rec.username, chap_rec.password, 100226ffd7b4SAdheer Chandravanshi chap_rec.chap_tbl_idx, type); 100326ffd7b4SAdheer Chandravanshi 100426ffd7b4SAdheer Chandravanshi exit_unlock_chap: 100526ffd7b4SAdheer Chandravanshi mutex_unlock(&ha->chap_sem); 100626ffd7b4SAdheer Chandravanshi 100726ffd7b4SAdheer Chandravanshi exit_set_chap: 100826ffd7b4SAdheer Chandravanshi return rc; 100926ffd7b4SAdheer Chandravanshi } 101026ffd7b4SAdheer Chandravanshi 10114161cee5SLalit Chandivade 10124161cee5SLalit Chandivade static int qla4xxx_get_host_stats(struct Scsi_Host *shost, char *buf, int len) 10134161cee5SLalit Chandivade { 10144161cee5SLalit Chandivade struct scsi_qla_host *ha = to_qla_host(shost); 10154161cee5SLalit Chandivade struct iscsi_offload_host_stats *host_stats = NULL; 10164161cee5SLalit Chandivade int host_stats_size; 10174161cee5SLalit Chandivade int ret = 0; 10184161cee5SLalit Chandivade int ddb_idx = 0; 10194161cee5SLalit Chandivade struct ql_iscsi_stats *ql_iscsi_stats = NULL; 10204161cee5SLalit Chandivade int stats_size; 10214161cee5SLalit Chandivade dma_addr_t iscsi_stats_dma; 10224161cee5SLalit Chandivade 10234161cee5SLalit Chandivade DEBUG2(ql4_printk(KERN_INFO, ha, "Func: %s\n", __func__)); 10244161cee5SLalit Chandivade 10254161cee5SLalit Chandivade host_stats_size = sizeof(struct iscsi_offload_host_stats); 10264161cee5SLalit Chandivade 10274161cee5SLalit Chandivade if (host_stats_size != len) { 10284161cee5SLalit Chandivade ql4_printk(KERN_INFO, ha, "%s: host_stats size mismatch expected = %d, is = %d\n", 10294161cee5SLalit Chandivade __func__, len, host_stats_size); 10304161cee5SLalit Chandivade ret = -EINVAL; 10314161cee5SLalit Chandivade goto exit_host_stats; 10324161cee5SLalit Chandivade } 10334161cee5SLalit Chandivade host_stats = (struct iscsi_offload_host_stats *)buf; 10344161cee5SLalit Chandivade 10354161cee5SLalit Chandivade if (!buf) { 10364161cee5SLalit Chandivade ret = -ENOMEM; 10374161cee5SLalit Chandivade goto exit_host_stats; 10384161cee5SLalit Chandivade } 10394161cee5SLalit Chandivade 10404161cee5SLalit Chandivade stats_size = PAGE_ALIGN(sizeof(struct ql_iscsi_stats)); 10414161cee5SLalit Chandivade 10424161cee5SLalit Chandivade ql_iscsi_stats = dma_alloc_coherent(&ha->pdev->dev, stats_size, 10434161cee5SLalit Chandivade &iscsi_stats_dma, GFP_KERNEL); 10444161cee5SLalit Chandivade if (!ql_iscsi_stats) { 10454161cee5SLalit Chandivade ql4_printk(KERN_ERR, ha, 10464161cee5SLalit Chandivade "Unable to allocate memory for iscsi stats\n"); 10477f3976f0SMike Christie ret = -ENOMEM; 10484161cee5SLalit Chandivade goto exit_host_stats; 10494161cee5SLalit Chandivade } 10504161cee5SLalit Chandivade 10514161cee5SLalit Chandivade ret = qla4xxx_get_mgmt_data(ha, ddb_idx, stats_size, 10524161cee5SLalit Chandivade iscsi_stats_dma); 10534161cee5SLalit Chandivade if (ret != QLA_SUCCESS) { 10544161cee5SLalit Chandivade ql4_printk(KERN_ERR, ha, 10554161cee5SLalit Chandivade "Unable to retrieve iscsi stats\n"); 10567f3976f0SMike Christie ret = -EIO; 10574161cee5SLalit Chandivade goto exit_host_stats; 10584161cee5SLalit Chandivade } 10594161cee5SLalit Chandivade host_stats->mactx_frames = le64_to_cpu(ql_iscsi_stats->mac_tx_frames); 10604161cee5SLalit Chandivade host_stats->mactx_bytes = le64_to_cpu(ql_iscsi_stats->mac_tx_bytes); 10614161cee5SLalit Chandivade host_stats->mactx_multicast_frames = 10624161cee5SLalit Chandivade le64_to_cpu(ql_iscsi_stats->mac_tx_multicast_frames); 10634161cee5SLalit Chandivade host_stats->mactx_broadcast_frames = 10644161cee5SLalit Chandivade le64_to_cpu(ql_iscsi_stats->mac_tx_broadcast_frames); 10654161cee5SLalit Chandivade host_stats->mactx_pause_frames = 10664161cee5SLalit Chandivade le64_to_cpu(ql_iscsi_stats->mac_tx_pause_frames); 10674161cee5SLalit Chandivade host_stats->mactx_control_frames = 10684161cee5SLalit Chandivade le64_to_cpu(ql_iscsi_stats->mac_tx_control_frames); 10694161cee5SLalit Chandivade host_stats->mactx_deferral = 10704161cee5SLalit Chandivade le64_to_cpu(ql_iscsi_stats->mac_tx_deferral); 10714161cee5SLalit Chandivade host_stats->mactx_excess_deferral = 10724161cee5SLalit Chandivade le64_to_cpu(ql_iscsi_stats->mac_tx_excess_deferral); 10734161cee5SLalit Chandivade host_stats->mactx_late_collision = 10744161cee5SLalit Chandivade le64_to_cpu(ql_iscsi_stats->mac_tx_late_collision); 10754161cee5SLalit Chandivade host_stats->mactx_abort = le64_to_cpu(ql_iscsi_stats->mac_tx_abort); 10764161cee5SLalit Chandivade host_stats->mactx_single_collision = 10774161cee5SLalit Chandivade le64_to_cpu(ql_iscsi_stats->mac_tx_single_collision); 10784161cee5SLalit Chandivade host_stats->mactx_multiple_collision = 10794161cee5SLalit Chandivade le64_to_cpu(ql_iscsi_stats->mac_tx_multiple_collision); 10804161cee5SLalit Chandivade host_stats->mactx_collision = 10814161cee5SLalit Chandivade le64_to_cpu(ql_iscsi_stats->mac_tx_collision); 10824161cee5SLalit Chandivade host_stats->mactx_frames_dropped = 10834161cee5SLalit Chandivade le64_to_cpu(ql_iscsi_stats->mac_tx_frames_dropped); 10844161cee5SLalit Chandivade host_stats->mactx_jumbo_frames = 10854161cee5SLalit Chandivade le64_to_cpu(ql_iscsi_stats->mac_tx_jumbo_frames); 10864161cee5SLalit Chandivade host_stats->macrx_frames = le64_to_cpu(ql_iscsi_stats->mac_rx_frames); 10874161cee5SLalit Chandivade host_stats->macrx_bytes = le64_to_cpu(ql_iscsi_stats->mac_rx_bytes); 10884161cee5SLalit Chandivade host_stats->macrx_unknown_control_frames = 10894161cee5SLalit Chandivade le64_to_cpu(ql_iscsi_stats->mac_rx_unknown_control_frames); 10904161cee5SLalit Chandivade host_stats->macrx_pause_frames = 10914161cee5SLalit Chandivade le64_to_cpu(ql_iscsi_stats->mac_rx_pause_frames); 10924161cee5SLalit Chandivade host_stats->macrx_control_frames = 10934161cee5SLalit Chandivade le64_to_cpu(ql_iscsi_stats->mac_rx_control_frames); 10944161cee5SLalit Chandivade host_stats->macrx_dribble = 10954161cee5SLalit Chandivade le64_to_cpu(ql_iscsi_stats->mac_rx_dribble); 10964161cee5SLalit Chandivade host_stats->macrx_frame_length_error = 10974161cee5SLalit Chandivade le64_to_cpu(ql_iscsi_stats->mac_rx_frame_length_error); 10984161cee5SLalit Chandivade host_stats->macrx_jabber = le64_to_cpu(ql_iscsi_stats->mac_rx_jabber); 10994161cee5SLalit Chandivade host_stats->macrx_carrier_sense_error = 11004161cee5SLalit Chandivade le64_to_cpu(ql_iscsi_stats->mac_rx_carrier_sense_error); 11014161cee5SLalit Chandivade host_stats->macrx_frame_discarded = 11024161cee5SLalit Chandivade le64_to_cpu(ql_iscsi_stats->mac_rx_frame_discarded); 11034161cee5SLalit Chandivade host_stats->macrx_frames_dropped = 11044161cee5SLalit Chandivade le64_to_cpu(ql_iscsi_stats->mac_rx_frames_dropped); 11054161cee5SLalit Chandivade host_stats->mac_crc_error = le64_to_cpu(ql_iscsi_stats->mac_crc_error); 11064161cee5SLalit Chandivade host_stats->mac_encoding_error = 11074161cee5SLalit Chandivade le64_to_cpu(ql_iscsi_stats->mac_encoding_error); 11084161cee5SLalit Chandivade host_stats->macrx_length_error_large = 11094161cee5SLalit Chandivade le64_to_cpu(ql_iscsi_stats->mac_rx_length_error_large); 11104161cee5SLalit Chandivade host_stats->macrx_length_error_small = 11114161cee5SLalit Chandivade le64_to_cpu(ql_iscsi_stats->mac_rx_length_error_small); 11124161cee5SLalit Chandivade host_stats->macrx_multicast_frames = 11134161cee5SLalit Chandivade le64_to_cpu(ql_iscsi_stats->mac_rx_multicast_frames); 11144161cee5SLalit Chandivade host_stats->macrx_broadcast_frames = 11154161cee5SLalit Chandivade le64_to_cpu(ql_iscsi_stats->mac_rx_broadcast_frames); 11164161cee5SLalit Chandivade host_stats->iptx_packets = le64_to_cpu(ql_iscsi_stats->ip_tx_packets); 11174161cee5SLalit Chandivade host_stats->iptx_bytes = le64_to_cpu(ql_iscsi_stats->ip_tx_bytes); 11184161cee5SLalit Chandivade host_stats->iptx_fragments = 11194161cee5SLalit Chandivade le64_to_cpu(ql_iscsi_stats->ip_tx_fragments); 11204161cee5SLalit Chandivade host_stats->iprx_packets = le64_to_cpu(ql_iscsi_stats->ip_rx_packets); 11214161cee5SLalit Chandivade host_stats->iprx_bytes = le64_to_cpu(ql_iscsi_stats->ip_rx_bytes); 11224161cee5SLalit Chandivade host_stats->iprx_fragments = 11234161cee5SLalit Chandivade le64_to_cpu(ql_iscsi_stats->ip_rx_fragments); 11244161cee5SLalit Chandivade host_stats->ip_datagram_reassembly = 11254161cee5SLalit Chandivade le64_to_cpu(ql_iscsi_stats->ip_datagram_reassembly); 11264161cee5SLalit Chandivade host_stats->ip_invalid_address_error = 11274161cee5SLalit Chandivade le64_to_cpu(ql_iscsi_stats->ip_invalid_address_error); 11284161cee5SLalit Chandivade host_stats->ip_error_packets = 11294161cee5SLalit Chandivade le64_to_cpu(ql_iscsi_stats->ip_error_packets); 11304161cee5SLalit Chandivade host_stats->ip_fragrx_overlap = 11314161cee5SLalit Chandivade le64_to_cpu(ql_iscsi_stats->ip_fragrx_overlap); 11324161cee5SLalit Chandivade host_stats->ip_fragrx_outoforder = 11334161cee5SLalit Chandivade le64_to_cpu(ql_iscsi_stats->ip_fragrx_outoforder); 11344161cee5SLalit Chandivade host_stats->ip_datagram_reassembly_timeout = 11354161cee5SLalit Chandivade le64_to_cpu(ql_iscsi_stats->ip_datagram_reassembly_timeout); 11364161cee5SLalit Chandivade host_stats->ipv6tx_packets = 11374161cee5SLalit Chandivade le64_to_cpu(ql_iscsi_stats->ipv6_tx_packets); 11384161cee5SLalit Chandivade host_stats->ipv6tx_bytes = le64_to_cpu(ql_iscsi_stats->ipv6_tx_bytes); 11394161cee5SLalit Chandivade host_stats->ipv6tx_fragments = 11404161cee5SLalit Chandivade le64_to_cpu(ql_iscsi_stats->ipv6_tx_fragments); 11414161cee5SLalit Chandivade host_stats->ipv6rx_packets = 11424161cee5SLalit Chandivade le64_to_cpu(ql_iscsi_stats->ipv6_rx_packets); 11434161cee5SLalit Chandivade host_stats->ipv6rx_bytes = le64_to_cpu(ql_iscsi_stats->ipv6_rx_bytes); 11444161cee5SLalit Chandivade host_stats->ipv6rx_fragments = 11454161cee5SLalit Chandivade le64_to_cpu(ql_iscsi_stats->ipv6_rx_fragments); 11464161cee5SLalit Chandivade host_stats->ipv6_datagram_reassembly = 11474161cee5SLalit Chandivade le64_to_cpu(ql_iscsi_stats->ipv6_datagram_reassembly); 11484161cee5SLalit Chandivade host_stats->ipv6_invalid_address_error = 11494161cee5SLalit Chandivade le64_to_cpu(ql_iscsi_stats->ipv6_invalid_address_error); 11504161cee5SLalit Chandivade host_stats->ipv6_error_packets = 11514161cee5SLalit Chandivade le64_to_cpu(ql_iscsi_stats->ipv6_error_packets); 11524161cee5SLalit Chandivade host_stats->ipv6_fragrx_overlap = 11534161cee5SLalit Chandivade le64_to_cpu(ql_iscsi_stats->ipv6_fragrx_overlap); 11544161cee5SLalit Chandivade host_stats->ipv6_fragrx_outoforder = 11554161cee5SLalit Chandivade le64_to_cpu(ql_iscsi_stats->ipv6_fragrx_outoforder); 11564161cee5SLalit Chandivade host_stats->ipv6_datagram_reassembly_timeout = 11574161cee5SLalit Chandivade le64_to_cpu(ql_iscsi_stats->ipv6_datagram_reassembly_timeout); 11584161cee5SLalit Chandivade host_stats->tcptx_segments = 11594161cee5SLalit Chandivade le64_to_cpu(ql_iscsi_stats->tcp_tx_segments); 11604161cee5SLalit Chandivade host_stats->tcptx_bytes = le64_to_cpu(ql_iscsi_stats->tcp_tx_bytes); 11614161cee5SLalit Chandivade host_stats->tcprx_segments = 11624161cee5SLalit Chandivade le64_to_cpu(ql_iscsi_stats->tcp_rx_segments); 11634161cee5SLalit Chandivade host_stats->tcprx_byte = le64_to_cpu(ql_iscsi_stats->tcp_rx_byte); 11644161cee5SLalit Chandivade host_stats->tcp_duplicate_ack_retx = 11654161cee5SLalit Chandivade le64_to_cpu(ql_iscsi_stats->tcp_duplicate_ack_retx); 11664161cee5SLalit Chandivade host_stats->tcp_retx_timer_expired = 11674161cee5SLalit Chandivade le64_to_cpu(ql_iscsi_stats->tcp_retx_timer_expired); 11684161cee5SLalit Chandivade host_stats->tcprx_duplicate_ack = 11694161cee5SLalit Chandivade le64_to_cpu(ql_iscsi_stats->tcp_rx_duplicate_ack); 11704161cee5SLalit Chandivade host_stats->tcprx_pure_ackr = 11714161cee5SLalit Chandivade le64_to_cpu(ql_iscsi_stats->tcp_rx_pure_ackr); 11724161cee5SLalit Chandivade host_stats->tcptx_delayed_ack = 11734161cee5SLalit Chandivade le64_to_cpu(ql_iscsi_stats->tcp_tx_delayed_ack); 11744161cee5SLalit Chandivade host_stats->tcptx_pure_ack = 11754161cee5SLalit Chandivade le64_to_cpu(ql_iscsi_stats->tcp_tx_pure_ack); 11764161cee5SLalit Chandivade host_stats->tcprx_segment_error = 11774161cee5SLalit Chandivade le64_to_cpu(ql_iscsi_stats->tcp_rx_segment_error); 11784161cee5SLalit Chandivade host_stats->tcprx_segment_outoforder = 11794161cee5SLalit Chandivade le64_to_cpu(ql_iscsi_stats->tcp_rx_segment_outoforder); 11804161cee5SLalit Chandivade host_stats->tcprx_window_probe = 11814161cee5SLalit Chandivade le64_to_cpu(ql_iscsi_stats->tcp_rx_window_probe); 11824161cee5SLalit Chandivade host_stats->tcprx_window_update = 11834161cee5SLalit Chandivade le64_to_cpu(ql_iscsi_stats->tcp_rx_window_update); 11844161cee5SLalit Chandivade host_stats->tcptx_window_probe_persist = 11854161cee5SLalit Chandivade le64_to_cpu(ql_iscsi_stats->tcp_tx_window_probe_persist); 11864161cee5SLalit Chandivade host_stats->ecc_error_correction = 11874161cee5SLalit Chandivade le64_to_cpu(ql_iscsi_stats->ecc_error_correction); 11884161cee5SLalit Chandivade host_stats->iscsi_pdu_tx = le64_to_cpu(ql_iscsi_stats->iscsi_pdu_tx); 11894161cee5SLalit Chandivade host_stats->iscsi_data_bytes_tx = 11904161cee5SLalit Chandivade le64_to_cpu(ql_iscsi_stats->iscsi_data_bytes_tx); 11914161cee5SLalit Chandivade host_stats->iscsi_pdu_rx = le64_to_cpu(ql_iscsi_stats->iscsi_pdu_rx); 11924161cee5SLalit Chandivade host_stats->iscsi_data_bytes_rx = 11934161cee5SLalit Chandivade le64_to_cpu(ql_iscsi_stats->iscsi_data_bytes_rx); 11944161cee5SLalit Chandivade host_stats->iscsi_io_completed = 11954161cee5SLalit Chandivade le64_to_cpu(ql_iscsi_stats->iscsi_io_completed); 11964161cee5SLalit Chandivade host_stats->iscsi_unexpected_io_rx = 11974161cee5SLalit Chandivade le64_to_cpu(ql_iscsi_stats->iscsi_unexpected_io_rx); 11984161cee5SLalit Chandivade host_stats->iscsi_format_error = 11994161cee5SLalit Chandivade le64_to_cpu(ql_iscsi_stats->iscsi_format_error); 12004161cee5SLalit Chandivade host_stats->iscsi_hdr_digest_error = 12014161cee5SLalit Chandivade le64_to_cpu(ql_iscsi_stats->iscsi_hdr_digest_error); 12024161cee5SLalit Chandivade host_stats->iscsi_data_digest_error = 12034161cee5SLalit Chandivade le64_to_cpu(ql_iscsi_stats->iscsi_data_digest_error); 12044161cee5SLalit Chandivade host_stats->iscsi_sequence_error = 12054161cee5SLalit Chandivade le64_to_cpu(ql_iscsi_stats->iscsi_sequence_error); 12064161cee5SLalit Chandivade exit_host_stats: 12074161cee5SLalit Chandivade if (ql_iscsi_stats) 12084161cee5SLalit Chandivade dma_free_coherent(&ha->pdev->dev, host_stats_size, 12094161cee5SLalit Chandivade ql_iscsi_stats, iscsi_stats_dma); 12104161cee5SLalit Chandivade 12114161cee5SLalit Chandivade ql4_printk(KERN_INFO, ha, "%s: Get host stats done\n", 12124161cee5SLalit Chandivade __func__); 12134161cee5SLalit Chandivade return ret; 12144161cee5SLalit Chandivade } 12154161cee5SLalit Chandivade 1216ed1086e0SVikas Chaudhary static int qla4xxx_get_iface_param(struct iscsi_iface *iface, 1217ed1086e0SVikas Chaudhary enum iscsi_param_type param_type, 1218ed1086e0SVikas Chaudhary int param, char *buf) 1219ed1086e0SVikas Chaudhary { 1220ed1086e0SVikas Chaudhary struct Scsi_Host *shost = iscsi_iface_to_shost(iface); 1221ed1086e0SVikas Chaudhary struct scsi_qla_host *ha = to_qla_host(shost); 1222f8e93412SHarish Zunjarrao int ival; 1223f8e93412SHarish Zunjarrao char *pval = NULL; 1224ed1086e0SVikas Chaudhary int len = -ENOSYS; 1225ed1086e0SVikas Chaudhary 1226f8e93412SHarish Zunjarrao if (param_type == ISCSI_NET_PARAM) { 1227ed1086e0SVikas Chaudhary switch (param) { 1228ed1086e0SVikas Chaudhary case ISCSI_NET_PARAM_IPV4_ADDR: 1229ed1086e0SVikas Chaudhary len = sprintf(buf, "%pI4\n", &ha->ip_config.ip_address); 1230ed1086e0SVikas Chaudhary break; 1231ed1086e0SVikas Chaudhary case ISCSI_NET_PARAM_IPV4_SUBNET: 1232f8e93412SHarish Zunjarrao len = sprintf(buf, "%pI4\n", 1233f8e93412SHarish Zunjarrao &ha->ip_config.subnet_mask); 1234ed1086e0SVikas Chaudhary break; 1235ed1086e0SVikas Chaudhary case ISCSI_NET_PARAM_IPV4_GW: 1236ed1086e0SVikas Chaudhary len = sprintf(buf, "%pI4\n", &ha->ip_config.gateway); 1237ed1086e0SVikas Chaudhary break; 1238ed1086e0SVikas Chaudhary case ISCSI_NET_PARAM_IFACE_ENABLE: 1239f8e93412SHarish Zunjarrao if (iface->iface_type == ISCSI_IFACE_TYPE_IPV4) { 1240f8e93412SHarish Zunjarrao OP_STATE(ha->ip_config.ipv4_options, 1241f8e93412SHarish Zunjarrao IPOPT_IPV4_PROTOCOL_ENABLE, pval); 1242f8e93412SHarish Zunjarrao } else { 1243f8e93412SHarish Zunjarrao OP_STATE(ha->ip_config.ipv6_options, 1244f8e93412SHarish Zunjarrao IPV6_OPT_IPV6_PROTOCOL_ENABLE, pval); 1245f8e93412SHarish Zunjarrao } 1246f8e93412SHarish Zunjarrao 1247f8e93412SHarish Zunjarrao len = sprintf(buf, "%s\n", pval); 1248ed1086e0SVikas Chaudhary break; 1249ed1086e0SVikas Chaudhary case ISCSI_NET_PARAM_IPV4_BOOTPROTO: 1250ed1086e0SVikas Chaudhary len = sprintf(buf, "%s\n", 1251f8e93412SHarish Zunjarrao (ha->ip_config.tcp_options & 1252f8e93412SHarish Zunjarrao TCPOPT_DHCP_ENABLE) ? 1253ed1086e0SVikas Chaudhary "dhcp" : "static"); 1254ed1086e0SVikas Chaudhary break; 1255ed1086e0SVikas Chaudhary case ISCSI_NET_PARAM_IPV6_ADDR: 1256ed1086e0SVikas Chaudhary if (iface->iface_num == 0) 1257f8e93412SHarish Zunjarrao len = sprintf(buf, "%pI6\n", 1258f8e93412SHarish Zunjarrao &ha->ip_config.ipv6_addr0); 1259ed1086e0SVikas Chaudhary if (iface->iface_num == 1) 1260f8e93412SHarish Zunjarrao len = sprintf(buf, "%pI6\n", 1261f8e93412SHarish Zunjarrao &ha->ip_config.ipv6_addr1); 1262ed1086e0SVikas Chaudhary break; 1263ed1086e0SVikas Chaudhary case ISCSI_NET_PARAM_IPV6_LINKLOCAL: 1264ed1086e0SVikas Chaudhary len = sprintf(buf, "%pI6\n", 1265ed1086e0SVikas Chaudhary &ha->ip_config.ipv6_link_local_addr); 1266ed1086e0SVikas Chaudhary break; 1267ed1086e0SVikas Chaudhary case ISCSI_NET_PARAM_IPV6_ROUTER: 1268ed1086e0SVikas Chaudhary len = sprintf(buf, "%pI6\n", 1269ed1086e0SVikas Chaudhary &ha->ip_config.ipv6_default_router_addr); 1270ed1086e0SVikas Chaudhary break; 1271ed1086e0SVikas Chaudhary case ISCSI_NET_PARAM_IPV6_ADDR_AUTOCFG: 1272f8e93412SHarish Zunjarrao pval = (ha->ip_config.ipv6_addl_options & 1273ed1086e0SVikas Chaudhary IPV6_ADDOPT_NEIGHBOR_DISCOVERY_ADDR_ENABLE) ? 1274f8e93412SHarish Zunjarrao "nd" : "static"; 1275f8e93412SHarish Zunjarrao 1276f8e93412SHarish Zunjarrao len = sprintf(buf, "%s\n", pval); 1277ed1086e0SVikas Chaudhary break; 1278ed1086e0SVikas Chaudhary case ISCSI_NET_PARAM_IPV6_LINKLOCAL_AUTOCFG: 1279f8e93412SHarish Zunjarrao pval = (ha->ip_config.ipv6_addl_options & 1280ed1086e0SVikas Chaudhary IPV6_ADDOPT_AUTOCONFIG_LINK_LOCAL_ADDR) ? 1281f8e93412SHarish Zunjarrao "auto" : "static"; 1282f8e93412SHarish Zunjarrao 1283f8e93412SHarish Zunjarrao len = sprintf(buf, "%s\n", pval); 1284ed1086e0SVikas Chaudhary break; 12856ac73e8cSVikas Chaudhary case ISCSI_NET_PARAM_VLAN_ID: 12866ac73e8cSVikas Chaudhary if (iface->iface_type == ISCSI_IFACE_TYPE_IPV4) 1287f8e93412SHarish Zunjarrao ival = ha->ip_config.ipv4_vlan_tag & 1288f8e93412SHarish Zunjarrao ISCSI_MAX_VLAN_ID; 1289f8e93412SHarish Zunjarrao else 1290f8e93412SHarish Zunjarrao ival = ha->ip_config.ipv6_vlan_tag & 1291f8e93412SHarish Zunjarrao ISCSI_MAX_VLAN_ID; 1292f8e93412SHarish Zunjarrao 1293f8e93412SHarish Zunjarrao len = sprintf(buf, "%d\n", ival); 12946ac73e8cSVikas Chaudhary break; 12956ac73e8cSVikas Chaudhary case ISCSI_NET_PARAM_VLAN_PRIORITY: 12966ac73e8cSVikas Chaudhary if (iface->iface_type == ISCSI_IFACE_TYPE_IPV4) 1297f8e93412SHarish Zunjarrao ival = (ha->ip_config.ipv4_vlan_tag >> 13) & 1298f8e93412SHarish Zunjarrao ISCSI_MAX_VLAN_PRIORITY; 1299f8e93412SHarish Zunjarrao else 1300f8e93412SHarish Zunjarrao ival = (ha->ip_config.ipv6_vlan_tag >> 13) & 1301f8e93412SHarish Zunjarrao ISCSI_MAX_VLAN_PRIORITY; 1302f8e93412SHarish Zunjarrao 1303f8e93412SHarish Zunjarrao len = sprintf(buf, "%d\n", ival); 13046ac73e8cSVikas Chaudhary break; 13056ac73e8cSVikas Chaudhary case ISCSI_NET_PARAM_VLAN_ENABLED: 1306f8e93412SHarish Zunjarrao if (iface->iface_type == ISCSI_IFACE_TYPE_IPV4) { 1307f8e93412SHarish Zunjarrao OP_STATE(ha->ip_config.ipv4_options, 1308f8e93412SHarish Zunjarrao IPOPT_VLAN_TAGGING_ENABLE, pval); 1309f8e93412SHarish Zunjarrao } else { 1310f8e93412SHarish Zunjarrao OP_STATE(ha->ip_config.ipv6_options, 1311f8e93412SHarish Zunjarrao IPV6_OPT_VLAN_TAGGING_ENABLE, pval); 1312f8e93412SHarish Zunjarrao } 1313f8e93412SHarish Zunjarrao len = sprintf(buf, "%s\n", pval); 13146ac73e8cSVikas Chaudhary break; 1315943c157bSVikas Chaudhary case ISCSI_NET_PARAM_MTU: 1316943c157bSVikas Chaudhary len = sprintf(buf, "%d\n", ha->ip_config.eth_mtu_size); 1317943c157bSVikas Chaudhary break; 13182ada7fc5SVikas Chaudhary case ISCSI_NET_PARAM_PORT: 13192ada7fc5SVikas Chaudhary if (iface->iface_type == ISCSI_IFACE_TYPE_IPV4) 1320f8e93412SHarish Zunjarrao len = sprintf(buf, "%d\n", 1321f8e93412SHarish Zunjarrao ha->ip_config.ipv4_port); 1322f8e93412SHarish Zunjarrao else 1323f8e93412SHarish Zunjarrao len = sprintf(buf, "%d\n", 1324f8e93412SHarish Zunjarrao ha->ip_config.ipv6_port); 1325f8e93412SHarish Zunjarrao break; 1326f8e93412SHarish Zunjarrao case ISCSI_NET_PARAM_IPADDR_STATE: 1327f8e93412SHarish Zunjarrao if (iface->iface_type == ISCSI_IFACE_TYPE_IPV4) { 1328f8e93412SHarish Zunjarrao pval = iscsi_get_ipaddress_state_name( 1329f8e93412SHarish Zunjarrao ha->ip_config.ipv4_addr_state); 1330f8e93412SHarish Zunjarrao } else { 1331f8e93412SHarish Zunjarrao if (iface->iface_num == 0) 1332f8e93412SHarish Zunjarrao pval = iscsi_get_ipaddress_state_name( 1333f8e93412SHarish Zunjarrao ha->ip_config.ipv6_addr0_state); 1334f8e93412SHarish Zunjarrao else if (iface->iface_num == 1) 1335f8e93412SHarish Zunjarrao pval = iscsi_get_ipaddress_state_name( 1336f8e93412SHarish Zunjarrao ha->ip_config.ipv6_addr1_state); 1337f8e93412SHarish Zunjarrao } 1338f8e93412SHarish Zunjarrao 1339f8e93412SHarish Zunjarrao len = sprintf(buf, "%s\n", pval); 1340f8e93412SHarish Zunjarrao break; 1341f8e93412SHarish Zunjarrao case ISCSI_NET_PARAM_IPV6_LINKLOCAL_STATE: 1342f8e93412SHarish Zunjarrao pval = iscsi_get_ipaddress_state_name( 1343f8e93412SHarish Zunjarrao ha->ip_config.ipv6_link_local_state); 1344f8e93412SHarish Zunjarrao len = sprintf(buf, "%s\n", pval); 1345f8e93412SHarish Zunjarrao break; 1346f8e93412SHarish Zunjarrao case ISCSI_NET_PARAM_IPV6_ROUTER_STATE: 1347f8e93412SHarish Zunjarrao pval = iscsi_get_router_state_name( 1348f8e93412SHarish Zunjarrao ha->ip_config.ipv6_default_router_state); 1349f8e93412SHarish Zunjarrao len = sprintf(buf, "%s\n", pval); 1350f8e93412SHarish Zunjarrao break; 1351f8e93412SHarish Zunjarrao case ISCSI_NET_PARAM_DELAYED_ACK_EN: 1352f8e93412SHarish Zunjarrao if (iface->iface_type == ISCSI_IFACE_TYPE_IPV4) { 1353f8e93412SHarish Zunjarrao OP_STATE(~ha->ip_config.tcp_options, 1354f8e93412SHarish Zunjarrao TCPOPT_DELAYED_ACK_DISABLE, pval); 1355f8e93412SHarish Zunjarrao } else { 1356f8e93412SHarish Zunjarrao OP_STATE(~ha->ip_config.ipv6_tcp_options, 1357f8e93412SHarish Zunjarrao IPV6_TCPOPT_DELAYED_ACK_DISABLE, pval); 1358f8e93412SHarish Zunjarrao } 1359f8e93412SHarish Zunjarrao len = sprintf(buf, "%s\n", pval); 1360f8e93412SHarish Zunjarrao break; 1361f8e93412SHarish Zunjarrao case ISCSI_NET_PARAM_TCP_NAGLE_DISABLE: 1362f8e93412SHarish Zunjarrao if (iface->iface_type == ISCSI_IFACE_TYPE_IPV4) { 1363f8e93412SHarish Zunjarrao OP_STATE(~ha->ip_config.tcp_options, 1364f8e93412SHarish Zunjarrao TCPOPT_NAGLE_ALGO_DISABLE, pval); 1365f8e93412SHarish Zunjarrao } else { 1366f8e93412SHarish Zunjarrao OP_STATE(~ha->ip_config.ipv6_tcp_options, 1367f8e93412SHarish Zunjarrao IPV6_TCPOPT_NAGLE_ALGO_DISABLE, pval); 1368f8e93412SHarish Zunjarrao } 1369f8e93412SHarish Zunjarrao len = sprintf(buf, "%s\n", pval); 1370f8e93412SHarish Zunjarrao break; 1371f8e93412SHarish Zunjarrao case ISCSI_NET_PARAM_TCP_WSF_DISABLE: 1372f8e93412SHarish Zunjarrao if (iface->iface_type == ISCSI_IFACE_TYPE_IPV4) { 1373f8e93412SHarish Zunjarrao OP_STATE(~ha->ip_config.tcp_options, 1374f8e93412SHarish Zunjarrao TCPOPT_WINDOW_SCALE_DISABLE, pval); 1375f8e93412SHarish Zunjarrao } else { 1376f8e93412SHarish Zunjarrao OP_STATE(~ha->ip_config.ipv6_tcp_options, 1377f8e93412SHarish Zunjarrao IPV6_TCPOPT_WINDOW_SCALE_DISABLE, 1378f8e93412SHarish Zunjarrao pval); 1379f8e93412SHarish Zunjarrao } 1380f8e93412SHarish Zunjarrao len = sprintf(buf, "%s\n", pval); 1381f8e93412SHarish Zunjarrao break; 1382f8e93412SHarish Zunjarrao case ISCSI_NET_PARAM_TCP_WSF: 1383f8e93412SHarish Zunjarrao if (iface->iface_type == ISCSI_IFACE_TYPE_IPV4) 1384f8e93412SHarish Zunjarrao len = sprintf(buf, "%d\n", 1385f8e93412SHarish Zunjarrao ha->ip_config.tcp_wsf); 1386f8e93412SHarish Zunjarrao else 1387f8e93412SHarish Zunjarrao len = sprintf(buf, "%d\n", 1388f8e93412SHarish Zunjarrao ha->ip_config.ipv6_tcp_wsf); 1389f8e93412SHarish Zunjarrao break; 1390f8e93412SHarish Zunjarrao case ISCSI_NET_PARAM_TCP_TIMER_SCALE: 1391f8e93412SHarish Zunjarrao if (iface->iface_type == ISCSI_IFACE_TYPE_IPV4) 1392f8e93412SHarish Zunjarrao ival = (ha->ip_config.tcp_options & 1393f8e93412SHarish Zunjarrao TCPOPT_TIMER_SCALE) >> 1; 1394f8e93412SHarish Zunjarrao else 1395f8e93412SHarish Zunjarrao ival = (ha->ip_config.ipv6_tcp_options & 1396f8e93412SHarish Zunjarrao IPV6_TCPOPT_TIMER_SCALE) >> 1; 1397f8e93412SHarish Zunjarrao 1398f8e93412SHarish Zunjarrao len = sprintf(buf, "%d\n", ival); 1399f8e93412SHarish Zunjarrao break; 1400f8e93412SHarish Zunjarrao case ISCSI_NET_PARAM_TCP_TIMESTAMP_EN: 1401f8e93412SHarish Zunjarrao if (iface->iface_type == ISCSI_IFACE_TYPE_IPV4) { 1402f8e93412SHarish Zunjarrao OP_STATE(ha->ip_config.tcp_options, 1403f8e93412SHarish Zunjarrao TCPOPT_TIMESTAMP_ENABLE, pval); 1404f8e93412SHarish Zunjarrao } else { 1405f8e93412SHarish Zunjarrao OP_STATE(ha->ip_config.ipv6_tcp_options, 1406f8e93412SHarish Zunjarrao IPV6_TCPOPT_TIMESTAMP_EN, pval); 1407f8e93412SHarish Zunjarrao } 1408f8e93412SHarish Zunjarrao len = sprintf(buf, "%s\n", pval); 1409f8e93412SHarish Zunjarrao break; 1410f8e93412SHarish Zunjarrao case ISCSI_NET_PARAM_CACHE_ID: 1411f8e93412SHarish Zunjarrao if (iface->iface_type == ISCSI_IFACE_TYPE_IPV4) 1412f8e93412SHarish Zunjarrao len = sprintf(buf, "%d\n", 1413f8e93412SHarish Zunjarrao ha->ip_config.ipv4_cache_id); 1414f8e93412SHarish Zunjarrao else 1415f8e93412SHarish Zunjarrao len = sprintf(buf, "%d\n", 1416f8e93412SHarish Zunjarrao ha->ip_config.ipv6_cache_id); 1417f8e93412SHarish Zunjarrao break; 1418f8e93412SHarish Zunjarrao case ISCSI_NET_PARAM_IPV4_DHCP_DNS_ADDR_EN: 1419f8e93412SHarish Zunjarrao OP_STATE(ha->ip_config.tcp_options, 1420f8e93412SHarish Zunjarrao TCPOPT_DNS_SERVER_IP_EN, pval); 1421f8e93412SHarish Zunjarrao 1422f8e93412SHarish Zunjarrao len = sprintf(buf, "%s\n", pval); 1423f8e93412SHarish Zunjarrao break; 1424f8e93412SHarish Zunjarrao case ISCSI_NET_PARAM_IPV4_DHCP_SLP_DA_EN: 1425f8e93412SHarish Zunjarrao OP_STATE(ha->ip_config.tcp_options, 1426f8e93412SHarish Zunjarrao TCPOPT_SLP_DA_INFO_EN, pval); 1427f8e93412SHarish Zunjarrao 1428f8e93412SHarish Zunjarrao len = sprintf(buf, "%s\n", pval); 1429f8e93412SHarish Zunjarrao break; 1430f8e93412SHarish Zunjarrao case ISCSI_NET_PARAM_IPV4_TOS_EN: 1431f8e93412SHarish Zunjarrao OP_STATE(ha->ip_config.ipv4_options, 1432f8e93412SHarish Zunjarrao IPOPT_IPV4_TOS_EN, pval); 1433f8e93412SHarish Zunjarrao 1434f8e93412SHarish Zunjarrao len = sprintf(buf, "%s\n", pval); 1435f8e93412SHarish Zunjarrao break; 1436f8e93412SHarish Zunjarrao case ISCSI_NET_PARAM_IPV4_TOS: 1437f8e93412SHarish Zunjarrao len = sprintf(buf, "%d\n", ha->ip_config.ipv4_tos); 1438f8e93412SHarish Zunjarrao break; 1439f8e93412SHarish Zunjarrao case ISCSI_NET_PARAM_IPV4_GRAT_ARP_EN: 1440f8e93412SHarish Zunjarrao OP_STATE(ha->ip_config.ipv4_options, 1441f8e93412SHarish Zunjarrao IPOPT_GRAT_ARP_EN, pval); 1442f8e93412SHarish Zunjarrao 1443f8e93412SHarish Zunjarrao len = sprintf(buf, "%s\n", pval); 1444f8e93412SHarish Zunjarrao break; 1445f8e93412SHarish Zunjarrao case ISCSI_NET_PARAM_IPV4_DHCP_ALT_CLIENT_ID_EN: 1446f8e93412SHarish Zunjarrao OP_STATE(ha->ip_config.ipv4_options, IPOPT_ALT_CID_EN, 1447f8e93412SHarish Zunjarrao pval); 1448f8e93412SHarish Zunjarrao 1449f8e93412SHarish Zunjarrao len = sprintf(buf, "%s\n", pval); 1450f8e93412SHarish Zunjarrao break; 1451f8e93412SHarish Zunjarrao case ISCSI_NET_PARAM_IPV4_DHCP_ALT_CLIENT_ID: 1452f8e93412SHarish Zunjarrao pval = (ha->ip_config.ipv4_alt_cid_len) ? 1453f8e93412SHarish Zunjarrao (char *)ha->ip_config.ipv4_alt_cid : ""; 1454f8e93412SHarish Zunjarrao 1455f8e93412SHarish Zunjarrao len = sprintf(buf, "%s\n", pval); 1456f8e93412SHarish Zunjarrao break; 1457f8e93412SHarish Zunjarrao case ISCSI_NET_PARAM_IPV4_DHCP_REQ_VENDOR_ID_EN: 1458f8e93412SHarish Zunjarrao OP_STATE(ha->ip_config.ipv4_options, 1459f8e93412SHarish Zunjarrao IPOPT_REQ_VID_EN, pval); 1460f8e93412SHarish Zunjarrao 1461f8e93412SHarish Zunjarrao len = sprintf(buf, "%s\n", pval); 1462f8e93412SHarish Zunjarrao break; 1463f8e93412SHarish Zunjarrao case ISCSI_NET_PARAM_IPV4_DHCP_USE_VENDOR_ID_EN: 1464f8e93412SHarish Zunjarrao OP_STATE(ha->ip_config.ipv4_options, 1465f8e93412SHarish Zunjarrao IPOPT_USE_VID_EN, pval); 1466f8e93412SHarish Zunjarrao 1467f8e93412SHarish Zunjarrao len = sprintf(buf, "%s\n", pval); 1468f8e93412SHarish Zunjarrao break; 1469f8e93412SHarish Zunjarrao case ISCSI_NET_PARAM_IPV4_DHCP_VENDOR_ID: 1470f8e93412SHarish Zunjarrao pval = (ha->ip_config.ipv4_vid_len) ? 1471f8e93412SHarish Zunjarrao (char *)ha->ip_config.ipv4_vid : ""; 1472f8e93412SHarish Zunjarrao 1473f8e93412SHarish Zunjarrao len = sprintf(buf, "%s\n", pval); 1474f8e93412SHarish Zunjarrao break; 1475f8e93412SHarish Zunjarrao case ISCSI_NET_PARAM_IPV4_DHCP_LEARN_IQN_EN: 1476f8e93412SHarish Zunjarrao OP_STATE(ha->ip_config.ipv4_options, 1477f8e93412SHarish Zunjarrao IPOPT_LEARN_IQN_EN, pval); 1478f8e93412SHarish Zunjarrao 1479f8e93412SHarish Zunjarrao len = sprintf(buf, "%s\n", pval); 1480f8e93412SHarish Zunjarrao break; 1481f8e93412SHarish Zunjarrao case ISCSI_NET_PARAM_IPV4_FRAGMENT_DISABLE: 1482f8e93412SHarish Zunjarrao OP_STATE(~ha->ip_config.ipv4_options, 1483f8e93412SHarish Zunjarrao IPOPT_FRAGMENTATION_DISABLE, pval); 1484f8e93412SHarish Zunjarrao 1485f8e93412SHarish Zunjarrao len = sprintf(buf, "%s\n", pval); 1486f8e93412SHarish Zunjarrao break; 1487f8e93412SHarish Zunjarrao case ISCSI_NET_PARAM_IPV4_IN_FORWARD_EN: 1488f8e93412SHarish Zunjarrao OP_STATE(ha->ip_config.ipv4_options, 1489f8e93412SHarish Zunjarrao IPOPT_IN_FORWARD_EN, pval); 1490f8e93412SHarish Zunjarrao 1491f8e93412SHarish Zunjarrao len = sprintf(buf, "%s\n", pval); 1492f8e93412SHarish Zunjarrao break; 1493f8e93412SHarish Zunjarrao case ISCSI_NET_PARAM_REDIRECT_EN: 1494f8e93412SHarish Zunjarrao if (iface->iface_type == ISCSI_IFACE_TYPE_IPV4) { 1495f8e93412SHarish Zunjarrao OP_STATE(ha->ip_config.ipv4_options, 1496f8e93412SHarish Zunjarrao IPOPT_ARP_REDIRECT_EN, pval); 1497f8e93412SHarish Zunjarrao } else { 1498f8e93412SHarish Zunjarrao OP_STATE(ha->ip_config.ipv6_options, 1499f8e93412SHarish Zunjarrao IPV6_OPT_REDIRECT_EN, pval); 1500f8e93412SHarish Zunjarrao } 1501f8e93412SHarish Zunjarrao len = sprintf(buf, "%s\n", pval); 1502f8e93412SHarish Zunjarrao break; 1503f8e93412SHarish Zunjarrao case ISCSI_NET_PARAM_IPV4_TTL: 1504f8e93412SHarish Zunjarrao len = sprintf(buf, "%d\n", ha->ip_config.ipv4_ttl); 1505f8e93412SHarish Zunjarrao break; 1506f8e93412SHarish Zunjarrao case ISCSI_NET_PARAM_IPV6_GRAT_NEIGHBOR_ADV_EN: 1507f8e93412SHarish Zunjarrao OP_STATE(ha->ip_config.ipv6_options, 1508f8e93412SHarish Zunjarrao IPV6_OPT_GRAT_NEIGHBOR_ADV_EN, pval); 1509f8e93412SHarish Zunjarrao 1510f8e93412SHarish Zunjarrao len = sprintf(buf, "%s\n", pval); 1511f8e93412SHarish Zunjarrao break; 1512f8e93412SHarish Zunjarrao case ISCSI_NET_PARAM_IPV6_MLD_EN: 1513f8e93412SHarish Zunjarrao OP_STATE(ha->ip_config.ipv6_addl_options, 1514f8e93412SHarish Zunjarrao IPV6_ADDOPT_MLD_EN, pval); 1515f8e93412SHarish Zunjarrao 1516f8e93412SHarish Zunjarrao len = sprintf(buf, "%s\n", pval); 1517f8e93412SHarish Zunjarrao break; 1518f8e93412SHarish Zunjarrao case ISCSI_NET_PARAM_IPV6_FLOW_LABEL: 1519f8e93412SHarish Zunjarrao len = sprintf(buf, "%u\n", ha->ip_config.ipv6_flow_lbl); 1520f8e93412SHarish Zunjarrao break; 1521f8e93412SHarish Zunjarrao case ISCSI_NET_PARAM_IPV6_TRAFFIC_CLASS: 1522f8e93412SHarish Zunjarrao len = sprintf(buf, "%d\n", 1523f8e93412SHarish Zunjarrao ha->ip_config.ipv6_traffic_class); 1524f8e93412SHarish Zunjarrao break; 1525f8e93412SHarish Zunjarrao case ISCSI_NET_PARAM_IPV6_HOP_LIMIT: 1526f8e93412SHarish Zunjarrao len = sprintf(buf, "%d\n", 1527f8e93412SHarish Zunjarrao ha->ip_config.ipv6_hop_limit); 1528f8e93412SHarish Zunjarrao break; 1529f8e93412SHarish Zunjarrao case ISCSI_NET_PARAM_IPV6_ND_REACHABLE_TMO: 1530f8e93412SHarish Zunjarrao len = sprintf(buf, "%d\n", 1531f8e93412SHarish Zunjarrao ha->ip_config.ipv6_nd_reach_time); 1532f8e93412SHarish Zunjarrao break; 1533f8e93412SHarish Zunjarrao case ISCSI_NET_PARAM_IPV6_ND_REXMIT_TIME: 1534f8e93412SHarish Zunjarrao len = sprintf(buf, "%d\n", 1535f8e93412SHarish Zunjarrao ha->ip_config.ipv6_nd_rexmit_timer); 1536f8e93412SHarish Zunjarrao break; 1537f8e93412SHarish Zunjarrao case ISCSI_NET_PARAM_IPV6_ND_STALE_TMO: 1538f8e93412SHarish Zunjarrao len = sprintf(buf, "%d\n", 1539f8e93412SHarish Zunjarrao ha->ip_config.ipv6_nd_stale_timeout); 1540f8e93412SHarish Zunjarrao break; 1541f8e93412SHarish Zunjarrao case ISCSI_NET_PARAM_IPV6_DUP_ADDR_DETECT_CNT: 1542f8e93412SHarish Zunjarrao len = sprintf(buf, "%d\n", 1543f8e93412SHarish Zunjarrao ha->ip_config.ipv6_dup_addr_detect_count); 1544f8e93412SHarish Zunjarrao break; 1545f8e93412SHarish Zunjarrao case ISCSI_NET_PARAM_IPV6_RTR_ADV_LINK_MTU: 1546f8e93412SHarish Zunjarrao len = sprintf(buf, "%d\n", 1547f8e93412SHarish Zunjarrao ha->ip_config.ipv6_gw_advrt_mtu); 15482ada7fc5SVikas Chaudhary break; 1549ed1086e0SVikas Chaudhary default: 1550ed1086e0SVikas Chaudhary len = -ENOSYS; 1551ed1086e0SVikas Chaudhary } 1552f8e93412SHarish Zunjarrao } else if (param_type == ISCSI_IFACE_PARAM) { 1553f8e93412SHarish Zunjarrao switch (param) { 1554f8e93412SHarish Zunjarrao case ISCSI_IFACE_PARAM_DEF_TASKMGMT_TMO: 1555f8e93412SHarish Zunjarrao len = sprintf(buf, "%d\n", ha->ip_config.def_timeout); 1556f8e93412SHarish Zunjarrao break; 1557f8e93412SHarish Zunjarrao case ISCSI_IFACE_PARAM_HDRDGST_EN: 1558f8e93412SHarish Zunjarrao OP_STATE(ha->ip_config.iscsi_options, 1559f8e93412SHarish Zunjarrao ISCSIOPTS_HEADER_DIGEST_EN, pval); 1560f8e93412SHarish Zunjarrao 1561f8e93412SHarish Zunjarrao len = sprintf(buf, "%s\n", pval); 1562f8e93412SHarish Zunjarrao break; 1563f8e93412SHarish Zunjarrao case ISCSI_IFACE_PARAM_DATADGST_EN: 1564f8e93412SHarish Zunjarrao OP_STATE(ha->ip_config.iscsi_options, 1565f8e93412SHarish Zunjarrao ISCSIOPTS_DATA_DIGEST_EN, pval); 1566f8e93412SHarish Zunjarrao 1567f8e93412SHarish Zunjarrao len = sprintf(buf, "%s\n", pval); 1568f8e93412SHarish Zunjarrao break; 1569f8e93412SHarish Zunjarrao case ISCSI_IFACE_PARAM_IMM_DATA_EN: 1570f8e93412SHarish Zunjarrao OP_STATE(ha->ip_config.iscsi_options, 1571f8e93412SHarish Zunjarrao ISCSIOPTS_IMMEDIATE_DATA_EN, pval); 1572f8e93412SHarish Zunjarrao 1573f8e93412SHarish Zunjarrao len = sprintf(buf, "%s\n", pval); 1574f8e93412SHarish Zunjarrao break; 1575f8e93412SHarish Zunjarrao case ISCSI_IFACE_PARAM_INITIAL_R2T_EN: 1576f8e93412SHarish Zunjarrao OP_STATE(ha->ip_config.iscsi_options, 1577f8e93412SHarish Zunjarrao ISCSIOPTS_INITIAL_R2T_EN, pval); 1578f8e93412SHarish Zunjarrao 1579f8e93412SHarish Zunjarrao len = sprintf(buf, "%s\n", pval); 1580f8e93412SHarish Zunjarrao break; 1581f8e93412SHarish Zunjarrao case ISCSI_IFACE_PARAM_DATASEQ_INORDER_EN: 1582f8e93412SHarish Zunjarrao OP_STATE(ha->ip_config.iscsi_options, 1583f8e93412SHarish Zunjarrao ISCSIOPTS_DATA_SEQ_INORDER_EN, pval); 1584f8e93412SHarish Zunjarrao 1585f8e93412SHarish Zunjarrao len = sprintf(buf, "%s\n", pval); 1586f8e93412SHarish Zunjarrao break; 1587f8e93412SHarish Zunjarrao case ISCSI_IFACE_PARAM_PDU_INORDER_EN: 1588f8e93412SHarish Zunjarrao OP_STATE(ha->ip_config.iscsi_options, 1589f8e93412SHarish Zunjarrao ISCSIOPTS_DATA_PDU_INORDER_EN, pval); 1590f8e93412SHarish Zunjarrao 1591f8e93412SHarish Zunjarrao len = sprintf(buf, "%s\n", pval); 1592f8e93412SHarish Zunjarrao break; 1593f8e93412SHarish Zunjarrao case ISCSI_IFACE_PARAM_ERL: 1594f8e93412SHarish Zunjarrao len = sprintf(buf, "%d\n", 1595f8e93412SHarish Zunjarrao (ha->ip_config.iscsi_options & 1596f8e93412SHarish Zunjarrao ISCSIOPTS_ERL)); 1597f8e93412SHarish Zunjarrao break; 1598f8e93412SHarish Zunjarrao case ISCSI_IFACE_PARAM_MAX_RECV_DLENGTH: 1599f8e93412SHarish Zunjarrao len = sprintf(buf, "%u\n", 1600f8e93412SHarish Zunjarrao ha->ip_config.iscsi_max_pdu_size * 1601f8e93412SHarish Zunjarrao BYTE_UNITS); 1602f8e93412SHarish Zunjarrao break; 1603f8e93412SHarish Zunjarrao case ISCSI_IFACE_PARAM_FIRST_BURST: 1604f8e93412SHarish Zunjarrao len = sprintf(buf, "%u\n", 1605f8e93412SHarish Zunjarrao ha->ip_config.iscsi_first_burst_len * 1606f8e93412SHarish Zunjarrao BYTE_UNITS); 1607f8e93412SHarish Zunjarrao break; 1608f8e93412SHarish Zunjarrao case ISCSI_IFACE_PARAM_MAX_R2T: 1609f8e93412SHarish Zunjarrao len = sprintf(buf, "%d\n", 1610f8e93412SHarish Zunjarrao ha->ip_config.iscsi_max_outstnd_r2t); 1611f8e93412SHarish Zunjarrao break; 1612f8e93412SHarish Zunjarrao case ISCSI_IFACE_PARAM_MAX_BURST: 1613f8e93412SHarish Zunjarrao len = sprintf(buf, "%u\n", 1614f8e93412SHarish Zunjarrao ha->ip_config.iscsi_max_burst_len * 1615f8e93412SHarish Zunjarrao BYTE_UNITS); 1616f8e93412SHarish Zunjarrao break; 1617f8e93412SHarish Zunjarrao case ISCSI_IFACE_PARAM_CHAP_AUTH_EN: 1618f8e93412SHarish Zunjarrao OP_STATE(ha->ip_config.iscsi_options, 1619f8e93412SHarish Zunjarrao ISCSIOPTS_CHAP_AUTH_EN, pval); 1620f8e93412SHarish Zunjarrao 1621f8e93412SHarish Zunjarrao len = sprintf(buf, "%s\n", pval); 1622f8e93412SHarish Zunjarrao break; 1623f8e93412SHarish Zunjarrao case ISCSI_IFACE_PARAM_BIDI_CHAP_EN: 1624f8e93412SHarish Zunjarrao OP_STATE(ha->ip_config.iscsi_options, 1625f8e93412SHarish Zunjarrao ISCSIOPTS_BIDI_CHAP_EN, pval); 1626f8e93412SHarish Zunjarrao 1627f8e93412SHarish Zunjarrao len = sprintf(buf, "%s\n", pval); 1628f8e93412SHarish Zunjarrao break; 1629f8e93412SHarish Zunjarrao case ISCSI_IFACE_PARAM_DISCOVERY_AUTH_OPTIONAL: 1630f8e93412SHarish Zunjarrao OP_STATE(ha->ip_config.iscsi_options, 1631f8e93412SHarish Zunjarrao ISCSIOPTS_DISCOVERY_AUTH_EN, pval); 1632f8e93412SHarish Zunjarrao 1633f8e93412SHarish Zunjarrao len = sprintf(buf, "%s\n", pval); 1634f8e93412SHarish Zunjarrao break; 1635f8e93412SHarish Zunjarrao case ISCSI_IFACE_PARAM_DISCOVERY_LOGOUT_EN: 1636f8e93412SHarish Zunjarrao OP_STATE(ha->ip_config.iscsi_options, 1637f8e93412SHarish Zunjarrao ISCSIOPTS_DISCOVERY_LOGOUT_EN, pval); 1638f8e93412SHarish Zunjarrao 1639f8e93412SHarish Zunjarrao len = sprintf(buf, "%s\n", pval); 1640f8e93412SHarish Zunjarrao break; 1641f8e93412SHarish Zunjarrao case ISCSI_IFACE_PARAM_STRICT_LOGIN_COMP_EN: 1642f8e93412SHarish Zunjarrao OP_STATE(ha->ip_config.iscsi_options, 1643f8e93412SHarish Zunjarrao ISCSIOPTS_STRICT_LOGIN_COMP_EN, pval); 1644f8e93412SHarish Zunjarrao 1645f8e93412SHarish Zunjarrao len = sprintf(buf, "%s\n", pval); 1646f8e93412SHarish Zunjarrao break; 1647f8e93412SHarish Zunjarrao case ISCSI_IFACE_PARAM_INITIATOR_NAME: 1648f8e93412SHarish Zunjarrao len = sprintf(buf, "%s\n", ha->ip_config.iscsi_name); 1649f8e93412SHarish Zunjarrao break; 1650f8e93412SHarish Zunjarrao default: 1651f8e93412SHarish Zunjarrao len = -ENOSYS; 1652f8e93412SHarish Zunjarrao } 1653f8e93412SHarish Zunjarrao } 1654ed1086e0SVikas Chaudhary 1655ed1086e0SVikas Chaudhary return len; 1656ed1086e0SVikas Chaudhary } 1657ed1086e0SVikas Chaudhary 1658b3a271a9SManish Rangankar static struct iscsi_endpoint * 1659b3a271a9SManish Rangankar qla4xxx_ep_connect(struct Scsi_Host *shost, struct sockaddr *dst_addr, 1660b3a271a9SManish Rangankar int non_blocking) 1661b3a271a9SManish Rangankar { 1662b3a271a9SManish Rangankar int ret; 1663b3a271a9SManish Rangankar struct iscsi_endpoint *ep; 1664b3a271a9SManish Rangankar struct qla_endpoint *qla_ep; 1665b3a271a9SManish Rangankar struct scsi_qla_host *ha; 1666b3a271a9SManish Rangankar struct sockaddr_in *addr; 1667b3a271a9SManish Rangankar struct sockaddr_in6 *addr6; 1668b3a271a9SManish Rangankar 1669b3a271a9SManish Rangankar if (!shost) { 1670b3a271a9SManish Rangankar ret = -ENXIO; 1671c343c5e0SVikas Chaudhary pr_err("%s: shost is NULL\n", __func__); 1672b3a271a9SManish Rangankar return ERR_PTR(ret); 1673b3a271a9SManish Rangankar } 1674b3a271a9SManish Rangankar 1675b3a271a9SManish Rangankar ha = iscsi_host_priv(shost); 1676b3a271a9SManish Rangankar ep = iscsi_create_endpoint(sizeof(struct qla_endpoint)); 1677b3a271a9SManish Rangankar if (!ep) { 1678b3a271a9SManish Rangankar ret = -ENOMEM; 1679b3a271a9SManish Rangankar return ERR_PTR(ret); 1680b3a271a9SManish Rangankar } 1681b3a271a9SManish Rangankar 1682b3a271a9SManish Rangankar qla_ep = ep->dd_data; 1683b3a271a9SManish Rangankar memset(qla_ep, 0, sizeof(struct qla_endpoint)); 1684b3a271a9SManish Rangankar if (dst_addr->sa_family == AF_INET) { 1685b3a271a9SManish Rangankar memcpy(&qla_ep->dst_addr, dst_addr, sizeof(struct sockaddr_in)); 1686b3a271a9SManish Rangankar addr = (struct sockaddr_in *)&qla_ep->dst_addr; 1687b3a271a9SManish Rangankar DEBUG2(ql4_printk(KERN_INFO, ha, "%s: %pI4\n", __func__, 1688b3a271a9SManish Rangankar (char *)&addr->sin_addr)); 1689b3a271a9SManish Rangankar } else if (dst_addr->sa_family == AF_INET6) { 1690b3a271a9SManish Rangankar memcpy(&qla_ep->dst_addr, dst_addr, 1691b3a271a9SManish Rangankar sizeof(struct sockaddr_in6)); 1692b3a271a9SManish Rangankar addr6 = (struct sockaddr_in6 *)&qla_ep->dst_addr; 1693b3a271a9SManish Rangankar DEBUG2(ql4_printk(KERN_INFO, ha, "%s: %pI6\n", __func__, 1694b3a271a9SManish Rangankar (char *)&addr6->sin6_addr)); 1695c343c5e0SVikas Chaudhary } else { 1696c343c5e0SVikas Chaudhary ql4_printk(KERN_WARNING, ha, "%s: Invalid endpoint\n", 1697c343c5e0SVikas Chaudhary __func__); 1698b3a271a9SManish Rangankar } 1699b3a271a9SManish Rangankar 1700b3a271a9SManish Rangankar qla_ep->host = shost; 1701b3a271a9SManish Rangankar 1702b3a271a9SManish Rangankar return ep; 1703b3a271a9SManish Rangankar } 1704b3a271a9SManish Rangankar 1705b3a271a9SManish Rangankar static int qla4xxx_ep_poll(struct iscsi_endpoint *ep, int timeout_ms) 1706b3a271a9SManish Rangankar { 1707b3a271a9SManish Rangankar struct qla_endpoint *qla_ep; 1708b3a271a9SManish Rangankar struct scsi_qla_host *ha; 1709b3a271a9SManish Rangankar int ret = 0; 1710b3a271a9SManish Rangankar 1711b3a271a9SManish Rangankar qla_ep = ep->dd_data; 1712b3a271a9SManish Rangankar ha = to_qla_host(qla_ep->host); 1713c343c5e0SVikas Chaudhary DEBUG2(pr_info_ratelimited("%s: host: %ld\n", __func__, ha->host_no)); 1714b3a271a9SManish Rangankar 171513483730SMike Christie if (adapter_up(ha) && !test_bit(AF_BUILD_DDB_LIST, &ha->flags)) 1716b3a271a9SManish Rangankar ret = 1; 1717b3a271a9SManish Rangankar 1718b3a271a9SManish Rangankar return ret; 1719b3a271a9SManish Rangankar } 1720b3a271a9SManish Rangankar 1721b3a271a9SManish Rangankar static void qla4xxx_ep_disconnect(struct iscsi_endpoint *ep) 1722b3a271a9SManish Rangankar { 1723c343c5e0SVikas Chaudhary struct qla_endpoint *qla_ep; 1724c343c5e0SVikas Chaudhary struct scsi_qla_host *ha; 1725c343c5e0SVikas Chaudhary 1726c343c5e0SVikas Chaudhary qla_ep = ep->dd_data; 1727c343c5e0SVikas Chaudhary ha = to_qla_host(qla_ep->host); 1728c343c5e0SVikas Chaudhary DEBUG2(ql4_printk(KERN_INFO, ha, "%s: host: %ld\n", __func__, 1729c343c5e0SVikas Chaudhary ha->host_no)); 1730b3a271a9SManish Rangankar iscsi_destroy_endpoint(ep); 1731b3a271a9SManish Rangankar } 1732b3a271a9SManish Rangankar 1733b3a271a9SManish Rangankar static int qla4xxx_get_ep_param(struct iscsi_endpoint *ep, 1734b3a271a9SManish Rangankar enum iscsi_param param, 1735b3a271a9SManish Rangankar char *buf) 1736b3a271a9SManish Rangankar { 1737b3a271a9SManish Rangankar struct qla_endpoint *qla_ep = ep->dd_data; 1738b3a271a9SManish Rangankar struct sockaddr *dst_addr; 1739c343c5e0SVikas Chaudhary struct scsi_qla_host *ha; 1740b3a271a9SManish Rangankar 174173597bddSAdheer Chandravanshi if (!qla_ep) 174273597bddSAdheer Chandravanshi return -ENOTCONN; 174373597bddSAdheer Chandravanshi 1744c343c5e0SVikas Chaudhary ha = to_qla_host(qla_ep->host); 1745c343c5e0SVikas Chaudhary DEBUG2(ql4_printk(KERN_INFO, ha, "%s: host: %ld\n", __func__, 1746c343c5e0SVikas Chaudhary ha->host_no)); 1747b3a271a9SManish Rangankar 1748b3a271a9SManish Rangankar switch (param) { 1749b3a271a9SManish Rangankar case ISCSI_PARAM_CONN_PORT: 1750b3a271a9SManish Rangankar case ISCSI_PARAM_CONN_ADDRESS: 1751b3a271a9SManish Rangankar dst_addr = (struct sockaddr *)&qla_ep->dst_addr; 1752b3a271a9SManish Rangankar if (!dst_addr) 1753b3a271a9SManish Rangankar return -ENOTCONN; 1754b3a271a9SManish Rangankar 1755b3a271a9SManish Rangankar return iscsi_conn_get_addr_param((struct sockaddr_storage *) 1756b3a271a9SManish Rangankar &qla_ep->dst_addr, param, buf); 1757b3a271a9SManish Rangankar default: 1758b3a271a9SManish Rangankar return -ENOSYS; 1759b3a271a9SManish Rangankar } 1760b3a271a9SManish Rangankar } 1761b3a271a9SManish Rangankar 1762b3a271a9SManish Rangankar static void qla4xxx_conn_get_stats(struct iscsi_cls_conn *cls_conn, 1763b3a271a9SManish Rangankar struct iscsi_stats *stats) 1764b3a271a9SManish Rangankar { 1765b3a271a9SManish Rangankar struct iscsi_session *sess; 1766b3a271a9SManish Rangankar struct iscsi_cls_session *cls_sess; 1767b3a271a9SManish Rangankar struct ddb_entry *ddb_entry; 1768b3a271a9SManish Rangankar struct scsi_qla_host *ha; 1769b3a271a9SManish Rangankar struct ql_iscsi_stats *ql_iscsi_stats; 1770b3a271a9SManish Rangankar int stats_size; 1771b3a271a9SManish Rangankar int ret; 1772b3a271a9SManish Rangankar dma_addr_t iscsi_stats_dma; 1773b3a271a9SManish Rangankar 1774b3a271a9SManish Rangankar cls_sess = iscsi_conn_to_session(cls_conn); 1775b3a271a9SManish Rangankar sess = cls_sess->dd_data; 1776b3a271a9SManish Rangankar ddb_entry = sess->dd_data; 1777b3a271a9SManish Rangankar ha = ddb_entry->ha; 1778b3a271a9SManish Rangankar 1779c343c5e0SVikas Chaudhary DEBUG2(ql4_printk(KERN_INFO, ha, "%s: host: %ld\n", __func__, 1780c343c5e0SVikas Chaudhary ha->host_no)); 1781b3a271a9SManish Rangankar stats_size = PAGE_ALIGN(sizeof(struct ql_iscsi_stats)); 1782b3a271a9SManish Rangankar /* Allocate memory */ 1783b3a271a9SManish Rangankar ql_iscsi_stats = dma_alloc_coherent(&ha->pdev->dev, stats_size, 1784b3a271a9SManish Rangankar &iscsi_stats_dma, GFP_KERNEL); 1785b3a271a9SManish Rangankar if (!ql_iscsi_stats) { 1786b3a271a9SManish Rangankar ql4_printk(KERN_ERR, ha, 1787b3a271a9SManish Rangankar "Unable to allocate memory for iscsi stats\n"); 1788b3a271a9SManish Rangankar goto exit_get_stats; 1789b3a271a9SManish Rangankar } 1790b3a271a9SManish Rangankar 1791b3a271a9SManish Rangankar ret = qla4xxx_get_mgmt_data(ha, ddb_entry->fw_ddb_index, stats_size, 1792b3a271a9SManish Rangankar iscsi_stats_dma); 1793b3a271a9SManish Rangankar if (ret != QLA_SUCCESS) { 1794b3a271a9SManish Rangankar ql4_printk(KERN_ERR, ha, 179559e13d48SMasanari Iida "Unable to retrieve iscsi stats\n"); 1796b3a271a9SManish Rangankar goto free_stats; 1797b3a271a9SManish Rangankar } 1798b3a271a9SManish Rangankar 1799b3a271a9SManish Rangankar /* octets */ 1800b3a271a9SManish Rangankar stats->txdata_octets = le64_to_cpu(ql_iscsi_stats->tx_data_octets); 1801b3a271a9SManish Rangankar stats->rxdata_octets = le64_to_cpu(ql_iscsi_stats->rx_data_octets); 1802b3a271a9SManish Rangankar /* xmit pdus */ 1803b3a271a9SManish Rangankar stats->noptx_pdus = le32_to_cpu(ql_iscsi_stats->tx_nopout_pdus); 1804b3a271a9SManish Rangankar stats->scsicmd_pdus = le32_to_cpu(ql_iscsi_stats->tx_scsi_cmd_pdus); 1805b3a271a9SManish Rangankar stats->tmfcmd_pdus = le32_to_cpu(ql_iscsi_stats->tx_tmf_cmd_pdus); 1806b3a271a9SManish Rangankar stats->login_pdus = le32_to_cpu(ql_iscsi_stats->tx_login_cmd_pdus); 1807b3a271a9SManish Rangankar stats->text_pdus = le32_to_cpu(ql_iscsi_stats->tx_text_cmd_pdus); 1808b3a271a9SManish Rangankar stats->dataout_pdus = le32_to_cpu(ql_iscsi_stats->tx_scsi_write_pdus); 1809b3a271a9SManish Rangankar stats->logout_pdus = le32_to_cpu(ql_iscsi_stats->tx_logout_cmd_pdus); 1810b3a271a9SManish Rangankar stats->snack_pdus = le32_to_cpu(ql_iscsi_stats->tx_snack_req_pdus); 1811b3a271a9SManish Rangankar /* recv pdus */ 1812b3a271a9SManish Rangankar stats->noprx_pdus = le32_to_cpu(ql_iscsi_stats->rx_nopin_pdus); 1813b3a271a9SManish Rangankar stats->scsirsp_pdus = le32_to_cpu(ql_iscsi_stats->rx_scsi_resp_pdus); 1814b3a271a9SManish Rangankar stats->tmfrsp_pdus = le32_to_cpu(ql_iscsi_stats->rx_tmf_resp_pdus); 1815b3a271a9SManish Rangankar stats->textrsp_pdus = le32_to_cpu(ql_iscsi_stats->rx_text_resp_pdus); 1816b3a271a9SManish Rangankar stats->datain_pdus = le32_to_cpu(ql_iscsi_stats->rx_scsi_read_pdus); 1817b3a271a9SManish Rangankar stats->logoutrsp_pdus = 1818b3a271a9SManish Rangankar le32_to_cpu(ql_iscsi_stats->rx_logout_resp_pdus); 1819b3a271a9SManish Rangankar stats->r2t_pdus = le32_to_cpu(ql_iscsi_stats->rx_r2t_pdus); 1820b3a271a9SManish Rangankar stats->async_pdus = le32_to_cpu(ql_iscsi_stats->rx_async_pdus); 1821b3a271a9SManish Rangankar stats->rjt_pdus = le32_to_cpu(ql_iscsi_stats->rx_reject_pdus); 1822b3a271a9SManish Rangankar 1823b3a271a9SManish Rangankar free_stats: 1824b3a271a9SManish Rangankar dma_free_coherent(&ha->pdev->dev, stats_size, ql_iscsi_stats, 1825b3a271a9SManish Rangankar iscsi_stats_dma); 1826b3a271a9SManish Rangankar exit_get_stats: 1827b3a271a9SManish Rangankar return; 1828b3a271a9SManish Rangankar } 1829b3a271a9SManish Rangankar 18305c656af7SMike Christie static enum blk_eh_timer_return qla4xxx_eh_cmd_timed_out(struct scsi_cmnd *sc) 18315c656af7SMike Christie { 18325c656af7SMike Christie struct iscsi_cls_session *session; 1833b3a271a9SManish Rangankar struct iscsi_session *sess; 1834b3a271a9SManish Rangankar unsigned long flags; 1835b3a271a9SManish Rangankar enum blk_eh_timer_return ret = BLK_EH_NOT_HANDLED; 18365c656af7SMike Christie 18375c656af7SMike Christie session = starget_to_session(scsi_target(sc->device)); 1838b3a271a9SManish Rangankar sess = session->dd_data; 18395c656af7SMike Christie 1840b3a271a9SManish Rangankar spin_lock_irqsave(&session->lock, flags); 1841b3a271a9SManish Rangankar if (session->state == ISCSI_SESSION_FAILED) 1842b3a271a9SManish Rangankar ret = BLK_EH_RESET_TIMER; 1843b3a271a9SManish Rangankar spin_unlock_irqrestore(&session->lock, flags); 18445c656af7SMike Christie 1845b3a271a9SManish Rangankar return ret; 1846568d303bSMike Christie } 1847afaf5a2dSDavid Somayajulu 18483254dbe9SVikas Chaudhary static void qla4xxx_set_port_speed(struct Scsi_Host *shost) 18493254dbe9SVikas Chaudhary { 18503254dbe9SVikas Chaudhary struct scsi_qla_host *ha = to_qla_host(shost); 1851e16d166eSVikas Chaudhary struct iscsi_cls_host *ihost = shost->shost_data; 18523254dbe9SVikas Chaudhary uint32_t speed = ISCSI_PORT_SPEED_UNKNOWN; 18533254dbe9SVikas Chaudhary 18543254dbe9SVikas Chaudhary qla4xxx_get_firmware_state(ha); 18553254dbe9SVikas Chaudhary 18563254dbe9SVikas Chaudhary switch (ha->addl_fw_state & 0x0F00) { 18573254dbe9SVikas Chaudhary case FW_ADDSTATE_LINK_SPEED_10MBPS: 18583254dbe9SVikas Chaudhary speed = ISCSI_PORT_SPEED_10MBPS; 18593254dbe9SVikas Chaudhary break; 18603254dbe9SVikas Chaudhary case FW_ADDSTATE_LINK_SPEED_100MBPS: 18613254dbe9SVikas Chaudhary speed = ISCSI_PORT_SPEED_100MBPS; 18623254dbe9SVikas Chaudhary break; 18633254dbe9SVikas Chaudhary case FW_ADDSTATE_LINK_SPEED_1GBPS: 18643254dbe9SVikas Chaudhary speed = ISCSI_PORT_SPEED_1GBPS; 18653254dbe9SVikas Chaudhary break; 18663254dbe9SVikas Chaudhary case FW_ADDSTATE_LINK_SPEED_10GBPS: 18673254dbe9SVikas Chaudhary speed = ISCSI_PORT_SPEED_10GBPS; 18683254dbe9SVikas Chaudhary break; 18693254dbe9SVikas Chaudhary } 18703254dbe9SVikas Chaudhary ihost->port_speed = speed; 18713254dbe9SVikas Chaudhary } 18723254dbe9SVikas Chaudhary 18733254dbe9SVikas Chaudhary static void qla4xxx_set_port_state(struct Scsi_Host *shost) 18743254dbe9SVikas Chaudhary { 18753254dbe9SVikas Chaudhary struct scsi_qla_host *ha = to_qla_host(shost); 1876e16d166eSVikas Chaudhary struct iscsi_cls_host *ihost = shost->shost_data; 18773254dbe9SVikas Chaudhary uint32_t state = ISCSI_PORT_STATE_DOWN; 18783254dbe9SVikas Chaudhary 18793254dbe9SVikas Chaudhary if (test_bit(AF_LINK_UP, &ha->flags)) 18803254dbe9SVikas Chaudhary state = ISCSI_PORT_STATE_UP; 18813254dbe9SVikas Chaudhary 18823254dbe9SVikas Chaudhary ihost->port_state = state; 18833254dbe9SVikas Chaudhary } 18843254dbe9SVikas Chaudhary 1885aa1e93a2SMike Christie static int qla4xxx_host_get_param(struct Scsi_Host *shost, 1886aa1e93a2SMike Christie enum iscsi_host_param param, char *buf) 1887aa1e93a2SMike Christie { 1888aa1e93a2SMike Christie struct scsi_qla_host *ha = to_qla_host(shost); 1889aa1e93a2SMike Christie int len; 1890aa1e93a2SMike Christie 1891aa1e93a2SMike Christie switch (param) { 1892aa1e93a2SMike Christie case ISCSI_HOST_PARAM_HWADDRESS: 18937ffc49a6SMichael Chan len = sysfs_format_mac(buf, ha->my_mac, MAC_ADDR_LEN); 1894aa1e93a2SMike Christie break; 189522236961SMike Christie case ISCSI_HOST_PARAM_IPADDRESS: 18962bab08fcSVikas Chaudhary len = sprintf(buf, "%pI4\n", &ha->ip_config.ip_address); 189722236961SMike Christie break; 18988ad5781aSMike Christie case ISCSI_HOST_PARAM_INITIATOR_NAME: 189922236961SMike Christie len = sprintf(buf, "%s\n", ha->name_string); 19008ad5781aSMike Christie break; 19013254dbe9SVikas Chaudhary case ISCSI_HOST_PARAM_PORT_STATE: 19023254dbe9SVikas Chaudhary qla4xxx_set_port_state(shost); 19033254dbe9SVikas Chaudhary len = sprintf(buf, "%s\n", iscsi_get_port_state_name(shost)); 19043254dbe9SVikas Chaudhary break; 19053254dbe9SVikas Chaudhary case ISCSI_HOST_PARAM_PORT_SPEED: 19063254dbe9SVikas Chaudhary qla4xxx_set_port_speed(shost); 19073254dbe9SVikas Chaudhary len = sprintf(buf, "%s\n", iscsi_get_port_speed_name(shost)); 19083254dbe9SVikas Chaudhary break; 1909aa1e93a2SMike Christie default: 1910aa1e93a2SMike Christie return -ENOSYS; 1911aa1e93a2SMike Christie } 1912aa1e93a2SMike Christie 1913aa1e93a2SMike Christie return len; 1914aa1e93a2SMike Christie } 1915aa1e93a2SMike Christie 1916ed1086e0SVikas Chaudhary static void qla4xxx_create_ipv4_iface(struct scsi_qla_host *ha) 1917ed1086e0SVikas Chaudhary { 1918ed1086e0SVikas Chaudhary if (ha->iface_ipv4) 1919ed1086e0SVikas Chaudhary return; 1920ed1086e0SVikas Chaudhary 1921ed1086e0SVikas Chaudhary /* IPv4 */ 1922ed1086e0SVikas Chaudhary ha->iface_ipv4 = iscsi_create_iface(ha->host, 1923ed1086e0SVikas Chaudhary &qla4xxx_iscsi_transport, 1924ed1086e0SVikas Chaudhary ISCSI_IFACE_TYPE_IPV4, 0, 0); 1925ed1086e0SVikas Chaudhary if (!ha->iface_ipv4) 1926ed1086e0SVikas Chaudhary ql4_printk(KERN_ERR, ha, "Could not create IPv4 iSCSI " 1927ed1086e0SVikas Chaudhary "iface0.\n"); 1928ed1086e0SVikas Chaudhary } 1929ed1086e0SVikas Chaudhary 1930ed1086e0SVikas Chaudhary static void qla4xxx_create_ipv6_iface(struct scsi_qla_host *ha) 1931ed1086e0SVikas Chaudhary { 1932ed1086e0SVikas Chaudhary if (!ha->iface_ipv6_0) 1933ed1086e0SVikas Chaudhary /* IPv6 iface-0 */ 1934ed1086e0SVikas Chaudhary ha->iface_ipv6_0 = iscsi_create_iface(ha->host, 1935ed1086e0SVikas Chaudhary &qla4xxx_iscsi_transport, 1936ed1086e0SVikas Chaudhary ISCSI_IFACE_TYPE_IPV6, 0, 1937ed1086e0SVikas Chaudhary 0); 1938ed1086e0SVikas Chaudhary if (!ha->iface_ipv6_0) 1939ed1086e0SVikas Chaudhary ql4_printk(KERN_ERR, ha, "Could not create IPv6 iSCSI " 1940ed1086e0SVikas Chaudhary "iface0.\n"); 1941ed1086e0SVikas Chaudhary 1942ed1086e0SVikas Chaudhary if (!ha->iface_ipv6_1) 1943ed1086e0SVikas Chaudhary /* IPv6 iface-1 */ 1944ed1086e0SVikas Chaudhary ha->iface_ipv6_1 = iscsi_create_iface(ha->host, 1945ed1086e0SVikas Chaudhary &qla4xxx_iscsi_transport, 1946ed1086e0SVikas Chaudhary ISCSI_IFACE_TYPE_IPV6, 1, 1947ed1086e0SVikas Chaudhary 0); 1948ed1086e0SVikas Chaudhary if (!ha->iface_ipv6_1) 1949ed1086e0SVikas Chaudhary ql4_printk(KERN_ERR, ha, "Could not create IPv6 iSCSI " 1950ed1086e0SVikas Chaudhary "iface1.\n"); 1951ed1086e0SVikas Chaudhary } 1952ed1086e0SVikas Chaudhary 1953ed1086e0SVikas Chaudhary static void qla4xxx_create_ifaces(struct scsi_qla_host *ha) 1954ed1086e0SVikas Chaudhary { 1955ed1086e0SVikas Chaudhary if (ha->ip_config.ipv4_options & IPOPT_IPV4_PROTOCOL_ENABLE) 1956ed1086e0SVikas Chaudhary qla4xxx_create_ipv4_iface(ha); 1957ed1086e0SVikas Chaudhary 1958ed1086e0SVikas Chaudhary if (ha->ip_config.ipv6_options & IPV6_OPT_IPV6_PROTOCOL_ENABLE) 1959ed1086e0SVikas Chaudhary qla4xxx_create_ipv6_iface(ha); 1960ed1086e0SVikas Chaudhary } 1961ed1086e0SVikas Chaudhary 1962ed1086e0SVikas Chaudhary static void qla4xxx_destroy_ipv4_iface(struct scsi_qla_host *ha) 1963ed1086e0SVikas Chaudhary { 1964ed1086e0SVikas Chaudhary if (ha->iface_ipv4) { 1965ed1086e0SVikas Chaudhary iscsi_destroy_iface(ha->iface_ipv4); 1966ed1086e0SVikas Chaudhary ha->iface_ipv4 = NULL; 1967ed1086e0SVikas Chaudhary } 1968ed1086e0SVikas Chaudhary } 1969ed1086e0SVikas Chaudhary 1970ed1086e0SVikas Chaudhary static void qla4xxx_destroy_ipv6_iface(struct scsi_qla_host *ha) 1971ed1086e0SVikas Chaudhary { 1972ed1086e0SVikas Chaudhary if (ha->iface_ipv6_0) { 1973ed1086e0SVikas Chaudhary iscsi_destroy_iface(ha->iface_ipv6_0); 1974ed1086e0SVikas Chaudhary ha->iface_ipv6_0 = NULL; 1975ed1086e0SVikas Chaudhary } 1976ed1086e0SVikas Chaudhary if (ha->iface_ipv6_1) { 1977ed1086e0SVikas Chaudhary iscsi_destroy_iface(ha->iface_ipv6_1); 1978ed1086e0SVikas Chaudhary ha->iface_ipv6_1 = NULL; 1979ed1086e0SVikas Chaudhary } 1980ed1086e0SVikas Chaudhary } 1981ed1086e0SVikas Chaudhary 1982ed1086e0SVikas Chaudhary static void qla4xxx_destroy_ifaces(struct scsi_qla_host *ha) 1983ed1086e0SVikas Chaudhary { 1984ed1086e0SVikas Chaudhary qla4xxx_destroy_ipv4_iface(ha); 1985ed1086e0SVikas Chaudhary qla4xxx_destroy_ipv6_iface(ha); 1986ed1086e0SVikas Chaudhary } 1987ed1086e0SVikas Chaudhary 1988d00efe3fSMike Christie static void qla4xxx_set_ipv6(struct scsi_qla_host *ha, 1989d00efe3fSMike Christie struct iscsi_iface_param_info *iface_param, 1990d00efe3fSMike Christie struct addr_ctrl_blk *init_fw_cb) 1991d00efe3fSMike Christie { 1992d00efe3fSMike Christie /* 1993d00efe3fSMike Christie * iface_num 0 is valid for IPv6 Addr, linklocal, router, autocfg. 1994d00efe3fSMike Christie * iface_num 1 is valid only for IPv6 Addr. 1995d00efe3fSMike Christie */ 1996d00efe3fSMike Christie switch (iface_param->param) { 1997d00efe3fSMike Christie case ISCSI_NET_PARAM_IPV6_ADDR: 1998d00efe3fSMike Christie if (iface_param->iface_num & 0x1) 1999d00efe3fSMike Christie /* IPv6 Addr 1 */ 2000d00efe3fSMike Christie memcpy(init_fw_cb->ipv6_addr1, iface_param->value, 2001d00efe3fSMike Christie sizeof(init_fw_cb->ipv6_addr1)); 2002d00efe3fSMike Christie else 2003d00efe3fSMike Christie /* IPv6 Addr 0 */ 2004d00efe3fSMike Christie memcpy(init_fw_cb->ipv6_addr0, iface_param->value, 2005d00efe3fSMike Christie sizeof(init_fw_cb->ipv6_addr0)); 2006d00efe3fSMike Christie break; 2007d00efe3fSMike Christie case ISCSI_NET_PARAM_IPV6_LINKLOCAL: 2008d00efe3fSMike Christie if (iface_param->iface_num & 0x1) 2009d00efe3fSMike Christie break; 2010d00efe3fSMike Christie memcpy(init_fw_cb->ipv6_if_id, &iface_param->value[8], 2011d00efe3fSMike Christie sizeof(init_fw_cb->ipv6_if_id)); 2012d00efe3fSMike Christie break; 2013d00efe3fSMike Christie case ISCSI_NET_PARAM_IPV6_ROUTER: 2014d00efe3fSMike Christie if (iface_param->iface_num & 0x1) 2015d00efe3fSMike Christie break; 2016d00efe3fSMike Christie memcpy(init_fw_cb->ipv6_dflt_rtr_addr, iface_param->value, 2017d00efe3fSMike Christie sizeof(init_fw_cb->ipv6_dflt_rtr_addr)); 2018d00efe3fSMike Christie break; 2019d00efe3fSMike Christie case ISCSI_NET_PARAM_IPV6_ADDR_AUTOCFG: 2020d00efe3fSMike Christie /* Autocfg applies to even interface */ 2021d00efe3fSMike Christie if (iface_param->iface_num & 0x1) 2022d00efe3fSMike Christie break; 2023d00efe3fSMike Christie 2024d00efe3fSMike Christie if (iface_param->value[0] == ISCSI_IPV6_AUTOCFG_DISABLE) 2025d00efe3fSMike Christie init_fw_cb->ipv6_addtl_opts &= 2026d00efe3fSMike Christie cpu_to_le16( 2027d00efe3fSMike Christie ~IPV6_ADDOPT_NEIGHBOR_DISCOVERY_ADDR_ENABLE); 2028d00efe3fSMike Christie else if (iface_param->value[0] == ISCSI_IPV6_AUTOCFG_ND_ENABLE) 2029d00efe3fSMike Christie init_fw_cb->ipv6_addtl_opts |= 2030d00efe3fSMike Christie cpu_to_le16( 2031d00efe3fSMike Christie IPV6_ADDOPT_NEIGHBOR_DISCOVERY_ADDR_ENABLE); 2032d00efe3fSMike Christie else 2033f8e93412SHarish Zunjarrao ql4_printk(KERN_ERR, ha, 2034f8e93412SHarish Zunjarrao "Invalid autocfg setting for IPv6 addr\n"); 2035d00efe3fSMike Christie break; 2036d00efe3fSMike Christie case ISCSI_NET_PARAM_IPV6_LINKLOCAL_AUTOCFG: 2037d00efe3fSMike Christie /* Autocfg applies to even interface */ 2038d00efe3fSMike Christie if (iface_param->iface_num & 0x1) 2039d00efe3fSMike Christie break; 2040d00efe3fSMike Christie 2041d00efe3fSMike Christie if (iface_param->value[0] == 2042d00efe3fSMike Christie ISCSI_IPV6_LINKLOCAL_AUTOCFG_ENABLE) 2043d00efe3fSMike Christie init_fw_cb->ipv6_addtl_opts |= cpu_to_le16( 2044d00efe3fSMike Christie IPV6_ADDOPT_AUTOCONFIG_LINK_LOCAL_ADDR); 2045d00efe3fSMike Christie else if (iface_param->value[0] == 2046d00efe3fSMike Christie ISCSI_IPV6_LINKLOCAL_AUTOCFG_DISABLE) 2047d00efe3fSMike Christie init_fw_cb->ipv6_addtl_opts &= cpu_to_le16( 2048d00efe3fSMike Christie ~IPV6_ADDOPT_AUTOCONFIG_LINK_LOCAL_ADDR); 2049d00efe3fSMike Christie else 2050f8e93412SHarish Zunjarrao ql4_printk(KERN_ERR, ha, 2051f8e93412SHarish Zunjarrao "Invalid autocfg setting for IPv6 linklocal addr\n"); 2052d00efe3fSMike Christie break; 2053d00efe3fSMike Christie case ISCSI_NET_PARAM_IPV6_ROUTER_AUTOCFG: 2054d00efe3fSMike Christie /* Autocfg applies to even interface */ 2055d00efe3fSMike Christie if (iface_param->iface_num & 0x1) 2056d00efe3fSMike Christie break; 2057d00efe3fSMike Christie 2058d00efe3fSMike Christie if (iface_param->value[0] == ISCSI_IPV6_ROUTER_AUTOCFG_ENABLE) 2059d00efe3fSMike Christie memset(init_fw_cb->ipv6_dflt_rtr_addr, 0, 2060d00efe3fSMike Christie sizeof(init_fw_cb->ipv6_dflt_rtr_addr)); 2061d00efe3fSMike Christie break; 2062d00efe3fSMike Christie case ISCSI_NET_PARAM_IFACE_ENABLE: 2063ed1086e0SVikas Chaudhary if (iface_param->value[0] == ISCSI_IFACE_ENABLE) { 2064d00efe3fSMike Christie init_fw_cb->ipv6_opts |= 2065d00efe3fSMike Christie cpu_to_le16(IPV6_OPT_IPV6_PROTOCOL_ENABLE); 2066ed1086e0SVikas Chaudhary qla4xxx_create_ipv6_iface(ha); 2067ed1086e0SVikas Chaudhary } else { 2068d00efe3fSMike Christie init_fw_cb->ipv6_opts &= 2069d00efe3fSMike Christie cpu_to_le16(~IPV6_OPT_IPV6_PROTOCOL_ENABLE & 2070d00efe3fSMike Christie 0xFFFF); 2071ed1086e0SVikas Chaudhary qla4xxx_destroy_ipv6_iface(ha); 2072ed1086e0SVikas Chaudhary } 2073d00efe3fSMike Christie break; 20742d63673bSMike Christie case ISCSI_NET_PARAM_VLAN_TAG: 2075d00efe3fSMike Christie if (iface_param->len != sizeof(init_fw_cb->ipv6_vlan_tag)) 2076d00efe3fSMike Christie break; 20776ac73e8cSVikas Chaudhary init_fw_cb->ipv6_vlan_tag = 20786ac73e8cSVikas Chaudhary cpu_to_be16(*(uint16_t *)iface_param->value); 20796ac73e8cSVikas Chaudhary break; 20806ac73e8cSVikas Chaudhary case ISCSI_NET_PARAM_VLAN_ENABLED: 20816ac73e8cSVikas Chaudhary if (iface_param->value[0] == ISCSI_VLAN_ENABLE) 20826ac73e8cSVikas Chaudhary init_fw_cb->ipv6_opts |= 20836ac73e8cSVikas Chaudhary cpu_to_le16(IPV6_OPT_VLAN_TAGGING_ENABLE); 20846ac73e8cSVikas Chaudhary else 20856ac73e8cSVikas Chaudhary init_fw_cb->ipv6_opts &= 20866ac73e8cSVikas Chaudhary cpu_to_le16(~IPV6_OPT_VLAN_TAGGING_ENABLE); 2087d00efe3fSMike Christie break; 2088943c157bSVikas Chaudhary case ISCSI_NET_PARAM_MTU: 2089943c157bSVikas Chaudhary init_fw_cb->eth_mtu_size = 2090943c157bSVikas Chaudhary cpu_to_le16(*(uint16_t *)iface_param->value); 2091943c157bSVikas Chaudhary break; 20922ada7fc5SVikas Chaudhary case ISCSI_NET_PARAM_PORT: 20932ada7fc5SVikas Chaudhary /* Autocfg applies to even interface */ 20942ada7fc5SVikas Chaudhary if (iface_param->iface_num & 0x1) 20952ada7fc5SVikas Chaudhary break; 20962ada7fc5SVikas Chaudhary 20972ada7fc5SVikas Chaudhary init_fw_cb->ipv6_port = 20982ada7fc5SVikas Chaudhary cpu_to_le16(*(uint16_t *)iface_param->value); 20992ada7fc5SVikas Chaudhary break; 2100f8e93412SHarish Zunjarrao case ISCSI_NET_PARAM_DELAYED_ACK_EN: 2101f8e93412SHarish Zunjarrao if (iface_param->iface_num & 0x1) 2102f8e93412SHarish Zunjarrao break; 2103f8e93412SHarish Zunjarrao if (iface_param->value[0] == ISCSI_NET_PARAM_DISABLE) 2104f8e93412SHarish Zunjarrao init_fw_cb->ipv6_tcp_opts |= 2105f8e93412SHarish Zunjarrao cpu_to_le16(IPV6_TCPOPT_DELAYED_ACK_DISABLE); 2106f8e93412SHarish Zunjarrao else 2107f8e93412SHarish Zunjarrao init_fw_cb->ipv6_tcp_opts &= 21088f10872aSVikas Chaudhary cpu_to_le16(~IPV6_TCPOPT_DELAYED_ACK_DISABLE & 21098f10872aSVikas Chaudhary 0xFFFF); 2110f8e93412SHarish Zunjarrao break; 2111f8e93412SHarish Zunjarrao case ISCSI_NET_PARAM_TCP_NAGLE_DISABLE: 2112f8e93412SHarish Zunjarrao if (iface_param->iface_num & 0x1) 2113f8e93412SHarish Zunjarrao break; 2114f8e93412SHarish Zunjarrao if (iface_param->value[0] == ISCSI_NET_PARAM_DISABLE) 2115f8e93412SHarish Zunjarrao init_fw_cb->ipv6_tcp_opts |= 2116f8e93412SHarish Zunjarrao cpu_to_le16(IPV6_TCPOPT_NAGLE_ALGO_DISABLE); 2117f8e93412SHarish Zunjarrao else 2118f8e93412SHarish Zunjarrao init_fw_cb->ipv6_tcp_opts &= 2119f8e93412SHarish Zunjarrao cpu_to_le16(~IPV6_TCPOPT_NAGLE_ALGO_DISABLE); 2120f8e93412SHarish Zunjarrao break; 2121f8e93412SHarish Zunjarrao case ISCSI_NET_PARAM_TCP_WSF_DISABLE: 2122f8e93412SHarish Zunjarrao if (iface_param->iface_num & 0x1) 2123f8e93412SHarish Zunjarrao break; 2124f8e93412SHarish Zunjarrao if (iface_param->value[0] == ISCSI_NET_PARAM_DISABLE) 2125f8e93412SHarish Zunjarrao init_fw_cb->ipv6_tcp_opts |= 2126f8e93412SHarish Zunjarrao cpu_to_le16(IPV6_TCPOPT_WINDOW_SCALE_DISABLE); 2127f8e93412SHarish Zunjarrao else 2128f8e93412SHarish Zunjarrao init_fw_cb->ipv6_tcp_opts &= 2129f8e93412SHarish Zunjarrao cpu_to_le16(~IPV6_TCPOPT_WINDOW_SCALE_DISABLE); 2130f8e93412SHarish Zunjarrao break; 2131f8e93412SHarish Zunjarrao case ISCSI_NET_PARAM_TCP_WSF: 2132f8e93412SHarish Zunjarrao if (iface_param->iface_num & 0x1) 2133f8e93412SHarish Zunjarrao break; 2134f8e93412SHarish Zunjarrao init_fw_cb->ipv6_tcp_wsf = iface_param->value[0]; 2135f8e93412SHarish Zunjarrao break; 2136f8e93412SHarish Zunjarrao case ISCSI_NET_PARAM_TCP_TIMER_SCALE: 2137f8e93412SHarish Zunjarrao if (iface_param->iface_num & 0x1) 2138f8e93412SHarish Zunjarrao break; 2139f8e93412SHarish Zunjarrao init_fw_cb->ipv6_tcp_opts &= 2140f8e93412SHarish Zunjarrao cpu_to_le16(~IPV6_TCPOPT_TIMER_SCALE); 2141f8e93412SHarish Zunjarrao init_fw_cb->ipv6_tcp_opts |= 2142f8e93412SHarish Zunjarrao cpu_to_le16((iface_param->value[0] << 1) & 2143f8e93412SHarish Zunjarrao IPV6_TCPOPT_TIMER_SCALE); 2144f8e93412SHarish Zunjarrao break; 2145f8e93412SHarish Zunjarrao case ISCSI_NET_PARAM_TCP_TIMESTAMP_EN: 2146f8e93412SHarish Zunjarrao if (iface_param->iface_num & 0x1) 2147f8e93412SHarish Zunjarrao break; 2148f8e93412SHarish Zunjarrao if (iface_param->value[0] == ISCSI_NET_PARAM_ENABLE) 2149f8e93412SHarish Zunjarrao init_fw_cb->ipv6_tcp_opts |= 2150f8e93412SHarish Zunjarrao cpu_to_le16(IPV6_TCPOPT_TIMESTAMP_EN); 2151f8e93412SHarish Zunjarrao else 2152f8e93412SHarish Zunjarrao init_fw_cb->ipv6_tcp_opts &= 2153f8e93412SHarish Zunjarrao cpu_to_le16(~IPV6_TCPOPT_TIMESTAMP_EN); 2154f8e93412SHarish Zunjarrao break; 2155f8e93412SHarish Zunjarrao case ISCSI_NET_PARAM_IPV6_GRAT_NEIGHBOR_ADV_EN: 2156f8e93412SHarish Zunjarrao if (iface_param->iface_num & 0x1) 2157f8e93412SHarish Zunjarrao break; 2158f8e93412SHarish Zunjarrao if (iface_param->value[0] == ISCSI_NET_PARAM_ENABLE) 2159f8e93412SHarish Zunjarrao init_fw_cb->ipv6_opts |= 2160f8e93412SHarish Zunjarrao cpu_to_le16(IPV6_OPT_GRAT_NEIGHBOR_ADV_EN); 2161f8e93412SHarish Zunjarrao else 2162f8e93412SHarish Zunjarrao init_fw_cb->ipv6_opts &= 2163f8e93412SHarish Zunjarrao cpu_to_le16(~IPV6_OPT_GRAT_NEIGHBOR_ADV_EN); 2164f8e93412SHarish Zunjarrao break; 2165f8e93412SHarish Zunjarrao case ISCSI_NET_PARAM_REDIRECT_EN: 2166f8e93412SHarish Zunjarrao if (iface_param->iface_num & 0x1) 2167f8e93412SHarish Zunjarrao break; 2168f8e93412SHarish Zunjarrao if (iface_param->value[0] == ISCSI_NET_PARAM_ENABLE) 2169f8e93412SHarish Zunjarrao init_fw_cb->ipv6_opts |= 2170f8e93412SHarish Zunjarrao cpu_to_le16(IPV6_OPT_REDIRECT_EN); 2171f8e93412SHarish Zunjarrao else 2172f8e93412SHarish Zunjarrao init_fw_cb->ipv6_opts &= 2173f8e93412SHarish Zunjarrao cpu_to_le16(~IPV6_OPT_REDIRECT_EN); 2174f8e93412SHarish Zunjarrao break; 2175f8e93412SHarish Zunjarrao case ISCSI_NET_PARAM_IPV6_MLD_EN: 2176f8e93412SHarish Zunjarrao if (iface_param->iface_num & 0x1) 2177f8e93412SHarish Zunjarrao break; 2178f8e93412SHarish Zunjarrao if (iface_param->value[0] == ISCSI_NET_PARAM_ENABLE) 2179f8e93412SHarish Zunjarrao init_fw_cb->ipv6_addtl_opts |= 2180f8e93412SHarish Zunjarrao cpu_to_le16(IPV6_ADDOPT_MLD_EN); 2181f8e93412SHarish Zunjarrao else 2182f8e93412SHarish Zunjarrao init_fw_cb->ipv6_addtl_opts &= 2183f8e93412SHarish Zunjarrao cpu_to_le16(~IPV6_ADDOPT_MLD_EN); 2184f8e93412SHarish Zunjarrao break; 2185f8e93412SHarish Zunjarrao case ISCSI_NET_PARAM_IPV6_FLOW_LABEL: 2186f8e93412SHarish Zunjarrao if (iface_param->iface_num & 0x1) 2187f8e93412SHarish Zunjarrao break; 2188f8e93412SHarish Zunjarrao init_fw_cb->ipv6_flow_lbl = 2189f8e93412SHarish Zunjarrao cpu_to_le16(*(uint16_t *)iface_param->value); 2190f8e93412SHarish Zunjarrao break; 2191f8e93412SHarish Zunjarrao case ISCSI_NET_PARAM_IPV6_TRAFFIC_CLASS: 2192f8e93412SHarish Zunjarrao if (iface_param->iface_num & 0x1) 2193f8e93412SHarish Zunjarrao break; 2194f8e93412SHarish Zunjarrao init_fw_cb->ipv6_traffic_class = iface_param->value[0]; 2195f8e93412SHarish Zunjarrao break; 2196f8e93412SHarish Zunjarrao case ISCSI_NET_PARAM_IPV6_HOP_LIMIT: 2197f8e93412SHarish Zunjarrao if (iface_param->iface_num & 0x1) 2198f8e93412SHarish Zunjarrao break; 2199f8e93412SHarish Zunjarrao init_fw_cb->ipv6_hop_limit = iface_param->value[0]; 2200f8e93412SHarish Zunjarrao break; 2201f8e93412SHarish Zunjarrao case ISCSI_NET_PARAM_IPV6_ND_REACHABLE_TMO: 2202f8e93412SHarish Zunjarrao if (iface_param->iface_num & 0x1) 2203f8e93412SHarish Zunjarrao break; 2204f8e93412SHarish Zunjarrao init_fw_cb->ipv6_nd_reach_time = 2205f8e93412SHarish Zunjarrao cpu_to_le32(*(uint32_t *)iface_param->value); 2206f8e93412SHarish Zunjarrao break; 2207f8e93412SHarish Zunjarrao case ISCSI_NET_PARAM_IPV6_ND_REXMIT_TIME: 2208f8e93412SHarish Zunjarrao if (iface_param->iface_num & 0x1) 2209f8e93412SHarish Zunjarrao break; 2210f8e93412SHarish Zunjarrao init_fw_cb->ipv6_nd_rexmit_timer = 2211f8e93412SHarish Zunjarrao cpu_to_le32(*(uint32_t *)iface_param->value); 2212f8e93412SHarish Zunjarrao break; 2213f8e93412SHarish Zunjarrao case ISCSI_NET_PARAM_IPV6_ND_STALE_TMO: 2214f8e93412SHarish Zunjarrao if (iface_param->iface_num & 0x1) 2215f8e93412SHarish Zunjarrao break; 2216f8e93412SHarish Zunjarrao init_fw_cb->ipv6_nd_stale_timeout = 2217f8e93412SHarish Zunjarrao cpu_to_le32(*(uint32_t *)iface_param->value); 2218f8e93412SHarish Zunjarrao break; 2219f8e93412SHarish Zunjarrao case ISCSI_NET_PARAM_IPV6_DUP_ADDR_DETECT_CNT: 2220f8e93412SHarish Zunjarrao if (iface_param->iface_num & 0x1) 2221f8e93412SHarish Zunjarrao break; 2222f8e93412SHarish Zunjarrao init_fw_cb->ipv6_dup_addr_detect_count = iface_param->value[0]; 2223f8e93412SHarish Zunjarrao break; 2224f8e93412SHarish Zunjarrao case ISCSI_NET_PARAM_IPV6_RTR_ADV_LINK_MTU: 2225f8e93412SHarish Zunjarrao if (iface_param->iface_num & 0x1) 2226f8e93412SHarish Zunjarrao break; 2227f8e93412SHarish Zunjarrao init_fw_cb->ipv6_gw_advrt_mtu = 2228f8e93412SHarish Zunjarrao cpu_to_le32(*(uint32_t *)iface_param->value); 2229f8e93412SHarish Zunjarrao break; 2230d00efe3fSMike Christie default: 2231d00efe3fSMike Christie ql4_printk(KERN_ERR, ha, "Unknown IPv6 param = %d\n", 2232d00efe3fSMike Christie iface_param->param); 2233d00efe3fSMike Christie break; 2234d00efe3fSMike Christie } 2235d00efe3fSMike Christie } 2236d00efe3fSMike Christie 2237d00efe3fSMike Christie static void qla4xxx_set_ipv4(struct scsi_qla_host *ha, 2238d00efe3fSMike Christie struct iscsi_iface_param_info *iface_param, 2239d00efe3fSMike Christie struct addr_ctrl_blk *init_fw_cb) 2240d00efe3fSMike Christie { 2241d00efe3fSMike Christie switch (iface_param->param) { 2242d00efe3fSMike Christie case ISCSI_NET_PARAM_IPV4_ADDR: 2243d00efe3fSMike Christie memcpy(init_fw_cb->ipv4_addr, iface_param->value, 2244d00efe3fSMike Christie sizeof(init_fw_cb->ipv4_addr)); 2245d00efe3fSMike Christie break; 2246d00efe3fSMike Christie case ISCSI_NET_PARAM_IPV4_SUBNET: 2247d00efe3fSMike Christie memcpy(init_fw_cb->ipv4_subnet, iface_param->value, 2248d00efe3fSMike Christie sizeof(init_fw_cb->ipv4_subnet)); 2249d00efe3fSMike Christie break; 2250d00efe3fSMike Christie case ISCSI_NET_PARAM_IPV4_GW: 2251d00efe3fSMike Christie memcpy(init_fw_cb->ipv4_gw_addr, iface_param->value, 2252d00efe3fSMike Christie sizeof(init_fw_cb->ipv4_gw_addr)); 2253d00efe3fSMike Christie break; 2254d00efe3fSMike Christie case ISCSI_NET_PARAM_IPV4_BOOTPROTO: 2255d00efe3fSMike Christie if (iface_param->value[0] == ISCSI_BOOTPROTO_DHCP) 2256d00efe3fSMike Christie init_fw_cb->ipv4_tcp_opts |= 2257d00efe3fSMike Christie cpu_to_le16(TCPOPT_DHCP_ENABLE); 2258d00efe3fSMike Christie else if (iface_param->value[0] == ISCSI_BOOTPROTO_STATIC) 2259d00efe3fSMike Christie init_fw_cb->ipv4_tcp_opts &= 2260d00efe3fSMike Christie cpu_to_le16(~TCPOPT_DHCP_ENABLE); 2261d00efe3fSMike Christie else 2262d00efe3fSMike Christie ql4_printk(KERN_ERR, ha, "Invalid IPv4 bootproto\n"); 2263d00efe3fSMike Christie break; 2264d00efe3fSMike Christie case ISCSI_NET_PARAM_IFACE_ENABLE: 2265ed1086e0SVikas Chaudhary if (iface_param->value[0] == ISCSI_IFACE_ENABLE) { 2266d00efe3fSMike Christie init_fw_cb->ipv4_ip_opts |= 22672bab08fcSVikas Chaudhary cpu_to_le16(IPOPT_IPV4_PROTOCOL_ENABLE); 2268ed1086e0SVikas Chaudhary qla4xxx_create_ipv4_iface(ha); 2269ed1086e0SVikas Chaudhary } else { 2270d00efe3fSMike Christie init_fw_cb->ipv4_ip_opts &= 22712bab08fcSVikas Chaudhary cpu_to_le16(~IPOPT_IPV4_PROTOCOL_ENABLE & 2272d00efe3fSMike Christie 0xFFFF); 2273ed1086e0SVikas Chaudhary qla4xxx_destroy_ipv4_iface(ha); 2274ed1086e0SVikas Chaudhary } 2275d00efe3fSMike Christie break; 22762d63673bSMike Christie case ISCSI_NET_PARAM_VLAN_TAG: 2277d00efe3fSMike Christie if (iface_param->len != sizeof(init_fw_cb->ipv4_vlan_tag)) 2278d00efe3fSMike Christie break; 22796ac73e8cSVikas Chaudhary init_fw_cb->ipv4_vlan_tag = 22806ac73e8cSVikas Chaudhary cpu_to_be16(*(uint16_t *)iface_param->value); 22816ac73e8cSVikas Chaudhary break; 22826ac73e8cSVikas Chaudhary case ISCSI_NET_PARAM_VLAN_ENABLED: 22836ac73e8cSVikas Chaudhary if (iface_param->value[0] == ISCSI_VLAN_ENABLE) 22846ac73e8cSVikas Chaudhary init_fw_cb->ipv4_ip_opts |= 22856ac73e8cSVikas Chaudhary cpu_to_le16(IPOPT_VLAN_TAGGING_ENABLE); 22866ac73e8cSVikas Chaudhary else 22876ac73e8cSVikas Chaudhary init_fw_cb->ipv4_ip_opts &= 22886ac73e8cSVikas Chaudhary cpu_to_le16(~IPOPT_VLAN_TAGGING_ENABLE); 2289d00efe3fSMike Christie break; 2290943c157bSVikas Chaudhary case ISCSI_NET_PARAM_MTU: 2291943c157bSVikas Chaudhary init_fw_cb->eth_mtu_size = 2292943c157bSVikas Chaudhary cpu_to_le16(*(uint16_t *)iface_param->value); 2293943c157bSVikas Chaudhary break; 22942ada7fc5SVikas Chaudhary case ISCSI_NET_PARAM_PORT: 22952ada7fc5SVikas Chaudhary init_fw_cb->ipv4_port = 22962ada7fc5SVikas Chaudhary cpu_to_le16(*(uint16_t *)iface_param->value); 22972ada7fc5SVikas Chaudhary break; 2298f8e93412SHarish Zunjarrao case ISCSI_NET_PARAM_DELAYED_ACK_EN: 2299f8e93412SHarish Zunjarrao if (iface_param->iface_num & 0x1) 2300f8e93412SHarish Zunjarrao break; 2301f8e93412SHarish Zunjarrao if (iface_param->value[0] == ISCSI_NET_PARAM_DISABLE) 2302f8e93412SHarish Zunjarrao init_fw_cb->ipv4_tcp_opts |= 2303f8e93412SHarish Zunjarrao cpu_to_le16(TCPOPT_DELAYED_ACK_DISABLE); 2304f8e93412SHarish Zunjarrao else 2305f8e93412SHarish Zunjarrao init_fw_cb->ipv4_tcp_opts &= 23068f10872aSVikas Chaudhary cpu_to_le16(~TCPOPT_DELAYED_ACK_DISABLE & 23078f10872aSVikas Chaudhary 0xFFFF); 2308f8e93412SHarish Zunjarrao break; 2309f8e93412SHarish Zunjarrao case ISCSI_NET_PARAM_TCP_NAGLE_DISABLE: 2310f8e93412SHarish Zunjarrao if (iface_param->iface_num & 0x1) 2311f8e93412SHarish Zunjarrao break; 2312f8e93412SHarish Zunjarrao if (iface_param->value[0] == ISCSI_NET_PARAM_DISABLE) 2313f8e93412SHarish Zunjarrao init_fw_cb->ipv4_tcp_opts |= 2314f8e93412SHarish Zunjarrao cpu_to_le16(TCPOPT_NAGLE_ALGO_DISABLE); 2315f8e93412SHarish Zunjarrao else 2316f8e93412SHarish Zunjarrao init_fw_cb->ipv4_tcp_opts &= 2317f8e93412SHarish Zunjarrao cpu_to_le16(~TCPOPT_NAGLE_ALGO_DISABLE); 2318f8e93412SHarish Zunjarrao break; 2319f8e93412SHarish Zunjarrao case ISCSI_NET_PARAM_TCP_WSF_DISABLE: 2320f8e93412SHarish Zunjarrao if (iface_param->iface_num & 0x1) 2321f8e93412SHarish Zunjarrao break; 2322f8e93412SHarish Zunjarrao if (iface_param->value[0] == ISCSI_NET_PARAM_DISABLE) 2323f8e93412SHarish Zunjarrao init_fw_cb->ipv4_tcp_opts |= 2324f8e93412SHarish Zunjarrao cpu_to_le16(TCPOPT_WINDOW_SCALE_DISABLE); 2325f8e93412SHarish Zunjarrao else 2326f8e93412SHarish Zunjarrao init_fw_cb->ipv4_tcp_opts &= 2327f8e93412SHarish Zunjarrao cpu_to_le16(~TCPOPT_WINDOW_SCALE_DISABLE); 2328f8e93412SHarish Zunjarrao break; 2329f8e93412SHarish Zunjarrao case ISCSI_NET_PARAM_TCP_WSF: 2330f8e93412SHarish Zunjarrao if (iface_param->iface_num & 0x1) 2331f8e93412SHarish Zunjarrao break; 2332f8e93412SHarish Zunjarrao init_fw_cb->ipv4_tcp_wsf = iface_param->value[0]; 2333f8e93412SHarish Zunjarrao break; 2334f8e93412SHarish Zunjarrao case ISCSI_NET_PARAM_TCP_TIMER_SCALE: 2335f8e93412SHarish Zunjarrao if (iface_param->iface_num & 0x1) 2336f8e93412SHarish Zunjarrao break; 2337f8e93412SHarish Zunjarrao init_fw_cb->ipv4_tcp_opts &= cpu_to_le16(~TCPOPT_TIMER_SCALE); 2338f8e93412SHarish Zunjarrao init_fw_cb->ipv4_tcp_opts |= 2339f8e93412SHarish Zunjarrao cpu_to_le16((iface_param->value[0] << 1) & 2340f8e93412SHarish Zunjarrao TCPOPT_TIMER_SCALE); 2341f8e93412SHarish Zunjarrao break; 2342f8e93412SHarish Zunjarrao case ISCSI_NET_PARAM_TCP_TIMESTAMP_EN: 2343f8e93412SHarish Zunjarrao if (iface_param->iface_num & 0x1) 2344f8e93412SHarish Zunjarrao break; 2345f8e93412SHarish Zunjarrao if (iface_param->value[0] == ISCSI_NET_PARAM_ENABLE) 2346f8e93412SHarish Zunjarrao init_fw_cb->ipv4_tcp_opts |= 2347f8e93412SHarish Zunjarrao cpu_to_le16(TCPOPT_TIMESTAMP_ENABLE); 2348f8e93412SHarish Zunjarrao else 2349f8e93412SHarish Zunjarrao init_fw_cb->ipv4_tcp_opts &= 2350f8e93412SHarish Zunjarrao cpu_to_le16(~TCPOPT_TIMESTAMP_ENABLE); 2351f8e93412SHarish Zunjarrao break; 2352f8e93412SHarish Zunjarrao case ISCSI_NET_PARAM_IPV4_DHCP_DNS_ADDR_EN: 2353f8e93412SHarish Zunjarrao if (iface_param->iface_num & 0x1) 2354f8e93412SHarish Zunjarrao break; 2355f8e93412SHarish Zunjarrao if (iface_param->value[0] == ISCSI_NET_PARAM_ENABLE) 2356f8e93412SHarish Zunjarrao init_fw_cb->ipv4_tcp_opts |= 2357f8e93412SHarish Zunjarrao cpu_to_le16(TCPOPT_DNS_SERVER_IP_EN); 2358f8e93412SHarish Zunjarrao else 2359f8e93412SHarish Zunjarrao init_fw_cb->ipv4_tcp_opts &= 2360f8e93412SHarish Zunjarrao cpu_to_le16(~TCPOPT_DNS_SERVER_IP_EN); 2361f8e93412SHarish Zunjarrao break; 2362f8e93412SHarish Zunjarrao case ISCSI_NET_PARAM_IPV4_DHCP_SLP_DA_EN: 2363f8e93412SHarish Zunjarrao if (iface_param->iface_num & 0x1) 2364f8e93412SHarish Zunjarrao break; 2365f8e93412SHarish Zunjarrao if (iface_param->value[0] == ISCSI_NET_PARAM_ENABLE) 2366f8e93412SHarish Zunjarrao init_fw_cb->ipv4_tcp_opts |= 2367f8e93412SHarish Zunjarrao cpu_to_le16(TCPOPT_SLP_DA_INFO_EN); 2368f8e93412SHarish Zunjarrao else 2369f8e93412SHarish Zunjarrao init_fw_cb->ipv4_tcp_opts &= 2370f8e93412SHarish Zunjarrao cpu_to_le16(~TCPOPT_SLP_DA_INFO_EN); 2371f8e93412SHarish Zunjarrao break; 2372f8e93412SHarish Zunjarrao case ISCSI_NET_PARAM_IPV4_TOS_EN: 2373f8e93412SHarish Zunjarrao if (iface_param->iface_num & 0x1) 2374f8e93412SHarish Zunjarrao break; 2375f8e93412SHarish Zunjarrao if (iface_param->value[0] == ISCSI_NET_PARAM_ENABLE) 2376f8e93412SHarish Zunjarrao init_fw_cb->ipv4_ip_opts |= 2377f8e93412SHarish Zunjarrao cpu_to_le16(IPOPT_IPV4_TOS_EN); 2378f8e93412SHarish Zunjarrao else 2379f8e93412SHarish Zunjarrao init_fw_cb->ipv4_ip_opts &= 2380f8e93412SHarish Zunjarrao cpu_to_le16(~IPOPT_IPV4_TOS_EN); 2381f8e93412SHarish Zunjarrao break; 2382f8e93412SHarish Zunjarrao case ISCSI_NET_PARAM_IPV4_TOS: 2383f8e93412SHarish Zunjarrao if (iface_param->iface_num & 0x1) 2384f8e93412SHarish Zunjarrao break; 2385f8e93412SHarish Zunjarrao init_fw_cb->ipv4_tos = iface_param->value[0]; 2386f8e93412SHarish Zunjarrao break; 2387f8e93412SHarish Zunjarrao case ISCSI_NET_PARAM_IPV4_GRAT_ARP_EN: 2388f8e93412SHarish Zunjarrao if (iface_param->iface_num & 0x1) 2389f8e93412SHarish Zunjarrao break; 2390f8e93412SHarish Zunjarrao if (iface_param->value[0] == ISCSI_NET_PARAM_ENABLE) 2391f8e93412SHarish Zunjarrao init_fw_cb->ipv4_ip_opts |= 2392f8e93412SHarish Zunjarrao cpu_to_le16(IPOPT_GRAT_ARP_EN); 2393f8e93412SHarish Zunjarrao else 2394f8e93412SHarish Zunjarrao init_fw_cb->ipv4_ip_opts &= 2395f8e93412SHarish Zunjarrao cpu_to_le16(~IPOPT_GRAT_ARP_EN); 2396f8e93412SHarish Zunjarrao break; 2397f8e93412SHarish Zunjarrao case ISCSI_NET_PARAM_IPV4_DHCP_ALT_CLIENT_ID_EN: 2398f8e93412SHarish Zunjarrao if (iface_param->iface_num & 0x1) 2399f8e93412SHarish Zunjarrao break; 2400f8e93412SHarish Zunjarrao if (iface_param->value[0] == ISCSI_NET_PARAM_ENABLE) 2401f8e93412SHarish Zunjarrao init_fw_cb->ipv4_ip_opts |= 2402f8e93412SHarish Zunjarrao cpu_to_le16(IPOPT_ALT_CID_EN); 2403f8e93412SHarish Zunjarrao else 2404f8e93412SHarish Zunjarrao init_fw_cb->ipv4_ip_opts &= 2405f8e93412SHarish Zunjarrao cpu_to_le16(~IPOPT_ALT_CID_EN); 2406f8e93412SHarish Zunjarrao break; 2407f8e93412SHarish Zunjarrao case ISCSI_NET_PARAM_IPV4_DHCP_ALT_CLIENT_ID: 2408f8e93412SHarish Zunjarrao if (iface_param->iface_num & 0x1) 2409f8e93412SHarish Zunjarrao break; 2410f8e93412SHarish Zunjarrao memcpy(init_fw_cb->ipv4_dhcp_alt_cid, iface_param->value, 2411f8e93412SHarish Zunjarrao (sizeof(init_fw_cb->ipv4_dhcp_alt_cid) - 1)); 2412f8e93412SHarish Zunjarrao init_fw_cb->ipv4_dhcp_alt_cid_len = 2413f8e93412SHarish Zunjarrao strlen(init_fw_cb->ipv4_dhcp_alt_cid); 2414f8e93412SHarish Zunjarrao break; 2415f8e93412SHarish Zunjarrao case ISCSI_NET_PARAM_IPV4_DHCP_REQ_VENDOR_ID_EN: 2416f8e93412SHarish Zunjarrao if (iface_param->iface_num & 0x1) 2417f8e93412SHarish Zunjarrao break; 2418f8e93412SHarish Zunjarrao if (iface_param->value[0] == ISCSI_NET_PARAM_ENABLE) 2419f8e93412SHarish Zunjarrao init_fw_cb->ipv4_ip_opts |= 2420f8e93412SHarish Zunjarrao cpu_to_le16(IPOPT_REQ_VID_EN); 2421f8e93412SHarish Zunjarrao else 2422f8e93412SHarish Zunjarrao init_fw_cb->ipv4_ip_opts &= 2423f8e93412SHarish Zunjarrao cpu_to_le16(~IPOPT_REQ_VID_EN); 2424f8e93412SHarish Zunjarrao break; 2425f8e93412SHarish Zunjarrao case ISCSI_NET_PARAM_IPV4_DHCP_USE_VENDOR_ID_EN: 2426f8e93412SHarish Zunjarrao if (iface_param->iface_num & 0x1) 2427f8e93412SHarish Zunjarrao break; 2428f8e93412SHarish Zunjarrao if (iface_param->value[0] == ISCSI_NET_PARAM_ENABLE) 2429f8e93412SHarish Zunjarrao init_fw_cb->ipv4_ip_opts |= 2430f8e93412SHarish Zunjarrao cpu_to_le16(IPOPT_USE_VID_EN); 2431f8e93412SHarish Zunjarrao else 2432f8e93412SHarish Zunjarrao init_fw_cb->ipv4_ip_opts &= 2433f8e93412SHarish Zunjarrao cpu_to_le16(~IPOPT_USE_VID_EN); 2434f8e93412SHarish Zunjarrao break; 2435f8e93412SHarish Zunjarrao case ISCSI_NET_PARAM_IPV4_DHCP_VENDOR_ID: 2436f8e93412SHarish Zunjarrao if (iface_param->iface_num & 0x1) 2437f8e93412SHarish Zunjarrao break; 2438f8e93412SHarish Zunjarrao memcpy(init_fw_cb->ipv4_dhcp_vid, iface_param->value, 2439f8e93412SHarish Zunjarrao (sizeof(init_fw_cb->ipv4_dhcp_vid) - 1)); 2440f8e93412SHarish Zunjarrao init_fw_cb->ipv4_dhcp_vid_len = 2441f8e93412SHarish Zunjarrao strlen(init_fw_cb->ipv4_dhcp_vid); 2442f8e93412SHarish Zunjarrao break; 2443f8e93412SHarish Zunjarrao case ISCSI_NET_PARAM_IPV4_DHCP_LEARN_IQN_EN: 2444f8e93412SHarish Zunjarrao if (iface_param->iface_num & 0x1) 2445f8e93412SHarish Zunjarrao break; 2446f8e93412SHarish Zunjarrao if (iface_param->value[0] == ISCSI_NET_PARAM_ENABLE) 2447f8e93412SHarish Zunjarrao init_fw_cb->ipv4_ip_opts |= 2448f8e93412SHarish Zunjarrao cpu_to_le16(IPOPT_LEARN_IQN_EN); 2449f8e93412SHarish Zunjarrao else 2450f8e93412SHarish Zunjarrao init_fw_cb->ipv4_ip_opts &= 2451f8e93412SHarish Zunjarrao cpu_to_le16(~IPOPT_LEARN_IQN_EN); 2452f8e93412SHarish Zunjarrao break; 2453f8e93412SHarish Zunjarrao case ISCSI_NET_PARAM_IPV4_FRAGMENT_DISABLE: 2454f8e93412SHarish Zunjarrao if (iface_param->iface_num & 0x1) 2455f8e93412SHarish Zunjarrao break; 2456f8e93412SHarish Zunjarrao if (iface_param->value[0] == ISCSI_NET_PARAM_DISABLE) 2457f8e93412SHarish Zunjarrao init_fw_cb->ipv4_ip_opts |= 2458f8e93412SHarish Zunjarrao cpu_to_le16(IPOPT_FRAGMENTATION_DISABLE); 2459f8e93412SHarish Zunjarrao else 2460f8e93412SHarish Zunjarrao init_fw_cb->ipv4_ip_opts &= 2461f8e93412SHarish Zunjarrao cpu_to_le16(~IPOPT_FRAGMENTATION_DISABLE); 2462f8e93412SHarish Zunjarrao break; 2463f8e93412SHarish Zunjarrao case ISCSI_NET_PARAM_IPV4_IN_FORWARD_EN: 2464f8e93412SHarish Zunjarrao if (iface_param->iface_num & 0x1) 2465f8e93412SHarish Zunjarrao break; 2466f8e93412SHarish Zunjarrao if (iface_param->value[0] == ISCSI_NET_PARAM_ENABLE) 2467f8e93412SHarish Zunjarrao init_fw_cb->ipv4_ip_opts |= 2468f8e93412SHarish Zunjarrao cpu_to_le16(IPOPT_IN_FORWARD_EN); 2469f8e93412SHarish Zunjarrao else 2470f8e93412SHarish Zunjarrao init_fw_cb->ipv4_ip_opts &= 2471f8e93412SHarish Zunjarrao cpu_to_le16(~IPOPT_IN_FORWARD_EN); 2472f8e93412SHarish Zunjarrao break; 2473f8e93412SHarish Zunjarrao case ISCSI_NET_PARAM_REDIRECT_EN: 2474f8e93412SHarish Zunjarrao if (iface_param->iface_num & 0x1) 2475f8e93412SHarish Zunjarrao break; 2476f8e93412SHarish Zunjarrao if (iface_param->value[0] == ISCSI_NET_PARAM_ENABLE) 2477f8e93412SHarish Zunjarrao init_fw_cb->ipv4_ip_opts |= 2478f8e93412SHarish Zunjarrao cpu_to_le16(IPOPT_ARP_REDIRECT_EN); 2479f8e93412SHarish Zunjarrao else 2480f8e93412SHarish Zunjarrao init_fw_cb->ipv4_ip_opts &= 2481f8e93412SHarish Zunjarrao cpu_to_le16(~IPOPT_ARP_REDIRECT_EN); 2482f8e93412SHarish Zunjarrao break; 2483f8e93412SHarish Zunjarrao case ISCSI_NET_PARAM_IPV4_TTL: 2484f8e93412SHarish Zunjarrao if (iface_param->iface_num & 0x1) 2485f8e93412SHarish Zunjarrao break; 2486f8e93412SHarish Zunjarrao init_fw_cb->ipv4_ttl = iface_param->value[0]; 2487f8e93412SHarish Zunjarrao break; 2488d00efe3fSMike Christie default: 2489d00efe3fSMike Christie ql4_printk(KERN_ERR, ha, "Unknown IPv4 param = %d\n", 2490d00efe3fSMike Christie iface_param->param); 2491d00efe3fSMike Christie break; 2492d00efe3fSMike Christie } 2493d00efe3fSMike Christie } 2494d00efe3fSMike Christie 2495f8e93412SHarish Zunjarrao static void qla4xxx_set_iscsi_param(struct scsi_qla_host *ha, 2496f8e93412SHarish Zunjarrao struct iscsi_iface_param_info *iface_param, 2497f8e93412SHarish Zunjarrao struct addr_ctrl_blk *init_fw_cb) 2498f8e93412SHarish Zunjarrao { 2499f8e93412SHarish Zunjarrao switch (iface_param->param) { 2500f8e93412SHarish Zunjarrao case ISCSI_IFACE_PARAM_DEF_TASKMGMT_TMO: 2501f8e93412SHarish Zunjarrao if (iface_param->iface_num & 0x1) 2502f8e93412SHarish Zunjarrao break; 2503f8e93412SHarish Zunjarrao init_fw_cb->def_timeout = 2504f8e93412SHarish Zunjarrao cpu_to_le16(*(uint16_t *)iface_param->value); 2505f8e93412SHarish Zunjarrao break; 2506f8e93412SHarish Zunjarrao case ISCSI_IFACE_PARAM_HDRDGST_EN: 2507f8e93412SHarish Zunjarrao if (iface_param->iface_num & 0x1) 2508f8e93412SHarish Zunjarrao break; 2509f8e93412SHarish Zunjarrao if (iface_param->value[0] == ISCSI_NET_PARAM_ENABLE) 2510f8e93412SHarish Zunjarrao init_fw_cb->iscsi_opts |= 2511f8e93412SHarish Zunjarrao cpu_to_le16(ISCSIOPTS_HEADER_DIGEST_EN); 2512f8e93412SHarish Zunjarrao else 2513f8e93412SHarish Zunjarrao init_fw_cb->iscsi_opts &= 2514f8e93412SHarish Zunjarrao cpu_to_le16(~ISCSIOPTS_HEADER_DIGEST_EN); 2515f8e93412SHarish Zunjarrao break; 2516f8e93412SHarish Zunjarrao case ISCSI_IFACE_PARAM_DATADGST_EN: 2517f8e93412SHarish Zunjarrao if (iface_param->iface_num & 0x1) 2518f8e93412SHarish Zunjarrao break; 2519f8e93412SHarish Zunjarrao if (iface_param->value[0] == ISCSI_NET_PARAM_ENABLE) 2520f8e93412SHarish Zunjarrao init_fw_cb->iscsi_opts |= 2521f8e93412SHarish Zunjarrao cpu_to_le16(ISCSIOPTS_DATA_DIGEST_EN); 2522f8e93412SHarish Zunjarrao else 2523f8e93412SHarish Zunjarrao init_fw_cb->iscsi_opts &= 2524f8e93412SHarish Zunjarrao cpu_to_le16(~ISCSIOPTS_DATA_DIGEST_EN); 2525f8e93412SHarish Zunjarrao break; 2526f8e93412SHarish Zunjarrao case ISCSI_IFACE_PARAM_IMM_DATA_EN: 2527f8e93412SHarish Zunjarrao if (iface_param->iface_num & 0x1) 2528f8e93412SHarish Zunjarrao break; 2529f8e93412SHarish Zunjarrao if (iface_param->value[0] == ISCSI_NET_PARAM_ENABLE) 2530f8e93412SHarish Zunjarrao init_fw_cb->iscsi_opts |= 2531f8e93412SHarish Zunjarrao cpu_to_le16(ISCSIOPTS_IMMEDIATE_DATA_EN); 2532f8e93412SHarish Zunjarrao else 2533f8e93412SHarish Zunjarrao init_fw_cb->iscsi_opts &= 2534f8e93412SHarish Zunjarrao cpu_to_le16(~ISCSIOPTS_IMMEDIATE_DATA_EN); 2535f8e93412SHarish Zunjarrao break; 2536f8e93412SHarish Zunjarrao case ISCSI_IFACE_PARAM_INITIAL_R2T_EN: 2537f8e93412SHarish Zunjarrao if (iface_param->iface_num & 0x1) 2538f8e93412SHarish Zunjarrao break; 2539f8e93412SHarish Zunjarrao if (iface_param->value[0] == ISCSI_NET_PARAM_ENABLE) 2540f8e93412SHarish Zunjarrao init_fw_cb->iscsi_opts |= 2541f8e93412SHarish Zunjarrao cpu_to_le16(ISCSIOPTS_INITIAL_R2T_EN); 2542f8e93412SHarish Zunjarrao else 2543f8e93412SHarish Zunjarrao init_fw_cb->iscsi_opts &= 2544f8e93412SHarish Zunjarrao cpu_to_le16(~ISCSIOPTS_INITIAL_R2T_EN); 2545f8e93412SHarish Zunjarrao break; 2546f8e93412SHarish Zunjarrao case ISCSI_IFACE_PARAM_DATASEQ_INORDER_EN: 2547f8e93412SHarish Zunjarrao if (iface_param->iface_num & 0x1) 2548f8e93412SHarish Zunjarrao break; 2549f8e93412SHarish Zunjarrao if (iface_param->value[0] == ISCSI_NET_PARAM_ENABLE) 2550f8e93412SHarish Zunjarrao init_fw_cb->iscsi_opts |= 2551f8e93412SHarish Zunjarrao cpu_to_le16(ISCSIOPTS_DATA_SEQ_INORDER_EN); 2552f8e93412SHarish Zunjarrao else 2553f8e93412SHarish Zunjarrao init_fw_cb->iscsi_opts &= 2554f8e93412SHarish Zunjarrao cpu_to_le16(~ISCSIOPTS_DATA_SEQ_INORDER_EN); 2555f8e93412SHarish Zunjarrao break; 2556f8e93412SHarish Zunjarrao case ISCSI_IFACE_PARAM_PDU_INORDER_EN: 2557f8e93412SHarish Zunjarrao if (iface_param->iface_num & 0x1) 2558f8e93412SHarish Zunjarrao break; 2559f8e93412SHarish Zunjarrao if (iface_param->value[0] == ISCSI_NET_PARAM_ENABLE) 2560f8e93412SHarish Zunjarrao init_fw_cb->iscsi_opts |= 2561f8e93412SHarish Zunjarrao cpu_to_le16(ISCSIOPTS_DATA_PDU_INORDER_EN); 2562f8e93412SHarish Zunjarrao else 2563f8e93412SHarish Zunjarrao init_fw_cb->iscsi_opts &= 2564f8e93412SHarish Zunjarrao cpu_to_le16(~ISCSIOPTS_DATA_PDU_INORDER_EN); 2565f8e93412SHarish Zunjarrao break; 2566f8e93412SHarish Zunjarrao case ISCSI_IFACE_PARAM_ERL: 2567f8e93412SHarish Zunjarrao if (iface_param->iface_num & 0x1) 2568f8e93412SHarish Zunjarrao break; 2569f8e93412SHarish Zunjarrao init_fw_cb->iscsi_opts &= cpu_to_le16(~ISCSIOPTS_ERL); 2570f8e93412SHarish Zunjarrao init_fw_cb->iscsi_opts |= cpu_to_le16(iface_param->value[0] & 2571f8e93412SHarish Zunjarrao ISCSIOPTS_ERL); 2572f8e93412SHarish Zunjarrao break; 2573f8e93412SHarish Zunjarrao case ISCSI_IFACE_PARAM_MAX_RECV_DLENGTH: 2574f8e93412SHarish Zunjarrao if (iface_param->iface_num & 0x1) 2575f8e93412SHarish Zunjarrao break; 2576f8e93412SHarish Zunjarrao init_fw_cb->iscsi_max_pdu_size = 2577f8e93412SHarish Zunjarrao cpu_to_le32(*(uint32_t *)iface_param->value) / 2578f8e93412SHarish Zunjarrao BYTE_UNITS; 2579f8e93412SHarish Zunjarrao break; 2580f8e93412SHarish Zunjarrao case ISCSI_IFACE_PARAM_FIRST_BURST: 2581f8e93412SHarish Zunjarrao if (iface_param->iface_num & 0x1) 2582f8e93412SHarish Zunjarrao break; 2583f8e93412SHarish Zunjarrao init_fw_cb->iscsi_fburst_len = 2584f8e93412SHarish Zunjarrao cpu_to_le32(*(uint32_t *)iface_param->value) / 2585f8e93412SHarish Zunjarrao BYTE_UNITS; 2586f8e93412SHarish Zunjarrao break; 2587f8e93412SHarish Zunjarrao case ISCSI_IFACE_PARAM_MAX_R2T: 2588f8e93412SHarish Zunjarrao if (iface_param->iface_num & 0x1) 2589f8e93412SHarish Zunjarrao break; 2590f8e93412SHarish Zunjarrao init_fw_cb->iscsi_max_outstnd_r2t = 2591f8e93412SHarish Zunjarrao cpu_to_le16(*(uint16_t *)iface_param->value); 2592f8e93412SHarish Zunjarrao break; 2593f8e93412SHarish Zunjarrao case ISCSI_IFACE_PARAM_MAX_BURST: 2594f8e93412SHarish Zunjarrao if (iface_param->iface_num & 0x1) 2595f8e93412SHarish Zunjarrao break; 2596f8e93412SHarish Zunjarrao init_fw_cb->iscsi_max_burst_len = 2597f8e93412SHarish Zunjarrao cpu_to_le32(*(uint32_t *)iface_param->value) / 2598f8e93412SHarish Zunjarrao BYTE_UNITS; 2599f8e93412SHarish Zunjarrao break; 2600f8e93412SHarish Zunjarrao case ISCSI_IFACE_PARAM_CHAP_AUTH_EN: 2601f8e93412SHarish Zunjarrao if (iface_param->iface_num & 0x1) 2602f8e93412SHarish Zunjarrao break; 2603f8e93412SHarish Zunjarrao if (iface_param->value[0] == ISCSI_NET_PARAM_ENABLE) 2604f8e93412SHarish Zunjarrao init_fw_cb->iscsi_opts |= 2605f8e93412SHarish Zunjarrao cpu_to_le16(ISCSIOPTS_CHAP_AUTH_EN); 2606f8e93412SHarish Zunjarrao else 2607f8e93412SHarish Zunjarrao init_fw_cb->iscsi_opts &= 2608f8e93412SHarish Zunjarrao cpu_to_le16(~ISCSIOPTS_CHAP_AUTH_EN); 2609f8e93412SHarish Zunjarrao break; 2610f8e93412SHarish Zunjarrao case ISCSI_IFACE_PARAM_BIDI_CHAP_EN: 2611f8e93412SHarish Zunjarrao if (iface_param->iface_num & 0x1) 2612f8e93412SHarish Zunjarrao break; 2613f8e93412SHarish Zunjarrao if (iface_param->value[0] == ISCSI_NET_PARAM_ENABLE) 2614f8e93412SHarish Zunjarrao init_fw_cb->iscsi_opts |= 2615f8e93412SHarish Zunjarrao cpu_to_le16(ISCSIOPTS_BIDI_CHAP_EN); 2616f8e93412SHarish Zunjarrao else 2617f8e93412SHarish Zunjarrao init_fw_cb->iscsi_opts &= 2618f8e93412SHarish Zunjarrao cpu_to_le16(~ISCSIOPTS_BIDI_CHAP_EN); 2619f8e93412SHarish Zunjarrao break; 2620f8e93412SHarish Zunjarrao case ISCSI_IFACE_PARAM_DISCOVERY_AUTH_OPTIONAL: 2621f8e93412SHarish Zunjarrao if (iface_param->iface_num & 0x1) 2622f8e93412SHarish Zunjarrao break; 2623f8e93412SHarish Zunjarrao if (iface_param->value[0] == ISCSI_NET_PARAM_ENABLE) 2624f8e93412SHarish Zunjarrao init_fw_cb->iscsi_opts |= 2625f8e93412SHarish Zunjarrao cpu_to_le16(ISCSIOPTS_DISCOVERY_AUTH_EN); 2626f8e93412SHarish Zunjarrao else 2627f8e93412SHarish Zunjarrao init_fw_cb->iscsi_opts &= 2628f8e93412SHarish Zunjarrao cpu_to_le16(~ISCSIOPTS_DISCOVERY_AUTH_EN); 2629f8e93412SHarish Zunjarrao break; 2630f8e93412SHarish Zunjarrao case ISCSI_IFACE_PARAM_DISCOVERY_LOGOUT_EN: 2631f8e93412SHarish Zunjarrao if (iface_param->iface_num & 0x1) 2632f8e93412SHarish Zunjarrao break; 2633f8e93412SHarish Zunjarrao if (iface_param->value[0] == ISCSI_NET_PARAM_ENABLE) 2634f8e93412SHarish Zunjarrao init_fw_cb->iscsi_opts |= 2635f8e93412SHarish Zunjarrao cpu_to_le16(ISCSIOPTS_DISCOVERY_LOGOUT_EN); 2636f8e93412SHarish Zunjarrao else 2637f8e93412SHarish Zunjarrao init_fw_cb->iscsi_opts &= 2638f8e93412SHarish Zunjarrao cpu_to_le16(~ISCSIOPTS_DISCOVERY_LOGOUT_EN); 2639f8e93412SHarish Zunjarrao break; 2640f8e93412SHarish Zunjarrao case ISCSI_IFACE_PARAM_STRICT_LOGIN_COMP_EN: 2641f8e93412SHarish Zunjarrao if (iface_param->iface_num & 0x1) 2642f8e93412SHarish Zunjarrao break; 2643f8e93412SHarish Zunjarrao if (iface_param->value[0] == ISCSI_NET_PARAM_ENABLE) 2644f8e93412SHarish Zunjarrao init_fw_cb->iscsi_opts |= 2645f8e93412SHarish Zunjarrao cpu_to_le16(ISCSIOPTS_STRICT_LOGIN_COMP_EN); 2646f8e93412SHarish Zunjarrao else 2647f8e93412SHarish Zunjarrao init_fw_cb->iscsi_opts &= 2648f8e93412SHarish Zunjarrao cpu_to_le16(~ISCSIOPTS_STRICT_LOGIN_COMP_EN); 2649f8e93412SHarish Zunjarrao break; 2650f8e93412SHarish Zunjarrao default: 2651f8e93412SHarish Zunjarrao ql4_printk(KERN_ERR, ha, "Unknown iscsi param = %d\n", 2652f8e93412SHarish Zunjarrao iface_param->param); 2653f8e93412SHarish Zunjarrao break; 2654f8e93412SHarish Zunjarrao } 2655f8e93412SHarish Zunjarrao } 2656f8e93412SHarish Zunjarrao 2657d00efe3fSMike Christie static void 2658d00efe3fSMike Christie qla4xxx_initcb_to_acb(struct addr_ctrl_blk *init_fw_cb) 2659d00efe3fSMike Christie { 2660d00efe3fSMike Christie struct addr_ctrl_blk_def *acb; 2661d00efe3fSMike Christie acb = (struct addr_ctrl_blk_def *)init_fw_cb; 2662d00efe3fSMike Christie memset(acb->reserved1, 0, sizeof(acb->reserved1)); 2663d00efe3fSMike Christie memset(acb->reserved2, 0, sizeof(acb->reserved2)); 2664d00efe3fSMike Christie memset(acb->reserved3, 0, sizeof(acb->reserved3)); 2665d00efe3fSMike Christie memset(acb->reserved4, 0, sizeof(acb->reserved4)); 2666d00efe3fSMike Christie memset(acb->reserved5, 0, sizeof(acb->reserved5)); 2667d00efe3fSMike Christie memset(acb->reserved6, 0, sizeof(acb->reserved6)); 2668d00efe3fSMike Christie memset(acb->reserved7, 0, sizeof(acb->reserved7)); 2669d00efe3fSMike Christie memset(acb->reserved8, 0, sizeof(acb->reserved8)); 2670d00efe3fSMike Christie memset(acb->reserved9, 0, sizeof(acb->reserved9)); 2671d00efe3fSMike Christie memset(acb->reserved10, 0, sizeof(acb->reserved10)); 2672d00efe3fSMike Christie memset(acb->reserved11, 0, sizeof(acb->reserved11)); 2673d00efe3fSMike Christie memset(acb->reserved12, 0, sizeof(acb->reserved12)); 2674d00efe3fSMike Christie memset(acb->reserved13, 0, sizeof(acb->reserved13)); 2675d00efe3fSMike Christie memset(acb->reserved14, 0, sizeof(acb->reserved14)); 2676d00efe3fSMike Christie memset(acb->reserved15, 0, sizeof(acb->reserved15)); 2677d00efe3fSMike Christie } 2678d00efe3fSMike Christie 2679d00efe3fSMike Christie static int 268000c31889SMike Christie qla4xxx_iface_set_param(struct Scsi_Host *shost, void *data, uint32_t len) 2681d00efe3fSMike Christie { 2682d00efe3fSMike Christie struct scsi_qla_host *ha = to_qla_host(shost); 2683d00efe3fSMike Christie int rval = 0; 2684d00efe3fSMike Christie struct iscsi_iface_param_info *iface_param = NULL; 2685d00efe3fSMike Christie struct addr_ctrl_blk *init_fw_cb = NULL; 2686d00efe3fSMike Christie dma_addr_t init_fw_cb_dma; 2687d00efe3fSMike Christie uint32_t mbox_cmd[MBOX_REG_COUNT]; 2688d00efe3fSMike Christie uint32_t mbox_sts[MBOX_REG_COUNT]; 268900c31889SMike Christie uint32_t rem = len; 269000c31889SMike Christie struct nlattr *attr; 2691d00efe3fSMike Christie 2692d00efe3fSMike Christie init_fw_cb = dma_alloc_coherent(&ha->pdev->dev, 2693d00efe3fSMike Christie sizeof(struct addr_ctrl_blk), 2694d00efe3fSMike Christie &init_fw_cb_dma, GFP_KERNEL); 2695d00efe3fSMike Christie if (!init_fw_cb) { 2696d00efe3fSMike Christie ql4_printk(KERN_ERR, ha, "%s: Unable to alloc init_cb\n", 2697d00efe3fSMike Christie __func__); 2698d00efe3fSMike Christie return -ENOMEM; 2699d00efe3fSMike Christie } 2700d00efe3fSMike Christie 2701d00efe3fSMike Christie memset(init_fw_cb, 0, sizeof(struct addr_ctrl_blk)); 2702d00efe3fSMike Christie memset(&mbox_cmd, 0, sizeof(mbox_cmd)); 2703d00efe3fSMike Christie memset(&mbox_sts, 0, sizeof(mbox_sts)); 2704d00efe3fSMike Christie 2705d00efe3fSMike Christie if (qla4xxx_get_ifcb(ha, &mbox_cmd[0], &mbox_sts[0], init_fw_cb_dma)) { 2706d00efe3fSMike Christie ql4_printk(KERN_ERR, ha, "%s: get ifcb failed\n", __func__); 2707d00efe3fSMike Christie rval = -EIO; 2708d00efe3fSMike Christie goto exit_init_fw_cb; 2709d00efe3fSMike Christie } 2710d00efe3fSMike Christie 271100c31889SMike Christie nla_for_each_attr(attr, data, len, rem) { 271200c31889SMike Christie iface_param = nla_data(attr); 2713d00efe3fSMike Christie 2714f8e93412SHarish Zunjarrao if (iface_param->param_type == ISCSI_NET_PARAM) { 2715d00efe3fSMike Christie switch (iface_param->iface_type) { 2716d00efe3fSMike Christie case ISCSI_IFACE_TYPE_IPV4: 2717d00efe3fSMike Christie switch (iface_param->iface_num) { 2718d00efe3fSMike Christie case 0: 2719f8e93412SHarish Zunjarrao qla4xxx_set_ipv4(ha, iface_param, 2720f8e93412SHarish Zunjarrao init_fw_cb); 2721d00efe3fSMike Christie break; 2722d00efe3fSMike Christie default: 2723d00efe3fSMike Christie /* Cannot have more than one IPv4 interface */ 2724f8e93412SHarish Zunjarrao ql4_printk(KERN_ERR, ha, 2725f8e93412SHarish Zunjarrao "Invalid IPv4 iface number = %d\n", 2726d00efe3fSMike Christie iface_param->iface_num); 2727d00efe3fSMike Christie break; 2728d00efe3fSMike Christie } 2729d00efe3fSMike Christie break; 2730d00efe3fSMike Christie case ISCSI_IFACE_TYPE_IPV6: 2731d00efe3fSMike Christie switch (iface_param->iface_num) { 2732d00efe3fSMike Christie case 0: 2733d00efe3fSMike Christie case 1: 2734f8e93412SHarish Zunjarrao qla4xxx_set_ipv6(ha, iface_param, 2735f8e93412SHarish Zunjarrao init_fw_cb); 2736d00efe3fSMike Christie break; 2737d00efe3fSMike Christie default: 2738d00efe3fSMike Christie /* Cannot have more than two IPv6 interface */ 2739f8e93412SHarish Zunjarrao ql4_printk(KERN_ERR, ha, 2740f8e93412SHarish Zunjarrao "Invalid IPv6 iface number = %d\n", 2741d00efe3fSMike Christie iface_param->iface_num); 2742d00efe3fSMike Christie break; 2743d00efe3fSMike Christie } 2744d00efe3fSMike Christie break; 2745d00efe3fSMike Christie default: 2746f8e93412SHarish Zunjarrao ql4_printk(KERN_ERR, ha, 2747f8e93412SHarish Zunjarrao "Invalid iface type\n"); 2748d00efe3fSMike Christie break; 2749d00efe3fSMike Christie } 2750f8e93412SHarish Zunjarrao } else if (iface_param->param_type == ISCSI_IFACE_PARAM) { 2751f8e93412SHarish Zunjarrao qla4xxx_set_iscsi_param(ha, iface_param, 2752f8e93412SHarish Zunjarrao init_fw_cb); 2753f8e93412SHarish Zunjarrao } else { 2754f8e93412SHarish Zunjarrao continue; 2755f8e93412SHarish Zunjarrao } 2756d00efe3fSMike Christie } 2757d00efe3fSMike Christie 2758d00efe3fSMike Christie init_fw_cb->cookie = cpu_to_le32(0x11BEAD5A); 2759d00efe3fSMike Christie 2760d00efe3fSMike Christie rval = qla4xxx_set_flash(ha, init_fw_cb_dma, FLASH_SEGMENT_IFCB, 2761d00efe3fSMike Christie sizeof(struct addr_ctrl_blk), 2762d00efe3fSMike Christie FLASH_OPT_RMW_COMMIT); 2763d00efe3fSMike Christie if (rval != QLA_SUCCESS) { 2764d00efe3fSMike Christie ql4_printk(KERN_ERR, ha, "%s: set flash mbx failed\n", 2765d00efe3fSMike Christie __func__); 2766d00efe3fSMike Christie rval = -EIO; 2767d00efe3fSMike Christie goto exit_init_fw_cb; 2768d00efe3fSMike Christie } 2769d00efe3fSMike Christie 2770ce505f9dSVikas Chaudhary rval = qla4xxx_disable_acb(ha); 2771ce505f9dSVikas Chaudhary if (rval != QLA_SUCCESS) { 2772ce505f9dSVikas Chaudhary ql4_printk(KERN_ERR, ha, "%s: disable acb mbx failed\n", 2773ce505f9dSVikas Chaudhary __func__); 2774ce505f9dSVikas Chaudhary rval = -EIO; 2775ce505f9dSVikas Chaudhary goto exit_init_fw_cb; 2776ce505f9dSVikas Chaudhary } 2777ce505f9dSVikas Chaudhary 2778ce505f9dSVikas Chaudhary wait_for_completion_timeout(&ha->disable_acb_comp, 2779ce505f9dSVikas Chaudhary DISABLE_ACB_TOV * HZ); 2780d00efe3fSMike Christie 2781d00efe3fSMike Christie qla4xxx_initcb_to_acb(init_fw_cb); 2782d00efe3fSMike Christie 2783d00efe3fSMike Christie rval = qla4xxx_set_acb(ha, &mbox_cmd[0], &mbox_sts[0], init_fw_cb_dma); 2784d00efe3fSMike Christie if (rval != QLA_SUCCESS) { 2785d00efe3fSMike Christie ql4_printk(KERN_ERR, ha, "%s: set acb mbx failed\n", 2786d00efe3fSMike Christie __func__); 2787d00efe3fSMike Christie rval = -EIO; 2788d00efe3fSMike Christie goto exit_init_fw_cb; 2789d00efe3fSMike Christie } 2790d00efe3fSMike Christie 2791d00efe3fSMike Christie memset(init_fw_cb, 0, sizeof(struct addr_ctrl_blk)); 2792d00efe3fSMike Christie qla4xxx_update_local_ifcb(ha, &mbox_cmd[0], &mbox_sts[0], init_fw_cb, 2793d00efe3fSMike Christie init_fw_cb_dma); 2794d00efe3fSMike Christie 2795d00efe3fSMike Christie exit_init_fw_cb: 2796d00efe3fSMike Christie dma_free_coherent(&ha->pdev->dev, sizeof(struct addr_ctrl_blk), 2797d00efe3fSMike Christie init_fw_cb, init_fw_cb_dma); 2798d00efe3fSMike Christie 2799d00efe3fSMike Christie return rval; 2800d00efe3fSMike Christie } 2801d00efe3fSMike Christie 2802fca9f04dSMike Christie static int qla4xxx_session_get_param(struct iscsi_cls_session *cls_sess, 2803fca9f04dSMike Christie enum iscsi_param param, char *buf) 2804fca9f04dSMike Christie { 2805fca9f04dSMike Christie struct iscsi_session *sess = cls_sess->dd_data; 2806fca9f04dSMike Christie struct ddb_entry *ddb_entry = sess->dd_data; 2807fca9f04dSMike Christie struct scsi_qla_host *ha = ddb_entry->ha; 280897c2730cSAdheer Chandravanshi struct iscsi_cls_conn *cls_conn = ddb_entry->conn; 280997c2730cSAdheer Chandravanshi struct ql4_chap_table chap_tbl; 2810fca9f04dSMike Christie int rval, len; 2811fca9f04dSMike Christie uint16_t idx; 2812fca9f04dSMike Christie 281397c2730cSAdheer Chandravanshi memset(&chap_tbl, 0, sizeof(chap_tbl)); 2814fca9f04dSMike Christie switch (param) { 2815fca9f04dSMike Christie case ISCSI_PARAM_CHAP_IN_IDX: 2816fca9f04dSMike Christie rval = qla4xxx_get_chap_index(ha, sess->username_in, 2817fca9f04dSMike Christie sess->password_in, BIDI_CHAP, 2818fca9f04dSMike Christie &idx); 2819fca9f04dSMike Christie if (rval) 2820c7a5e0d0SManish Rangankar len = sprintf(buf, "\n"); 2821c7a5e0d0SManish Rangankar else 2822fca9f04dSMike Christie len = sprintf(buf, "%hu\n", idx); 2823fca9f04dSMike Christie break; 2824fca9f04dSMike Christie case ISCSI_PARAM_CHAP_OUT_IDX: 282597c2730cSAdheer Chandravanshi if (ddb_entry->ddb_type == FLASH_DDB) { 282697c2730cSAdheer Chandravanshi if (ddb_entry->chap_tbl_idx != INVALID_ENTRY) { 282797c2730cSAdheer Chandravanshi idx = ddb_entry->chap_tbl_idx; 282897c2730cSAdheer Chandravanshi rval = QLA_SUCCESS; 282997c2730cSAdheer Chandravanshi } else { 283097c2730cSAdheer Chandravanshi rval = QLA_ERROR; 283197c2730cSAdheer Chandravanshi } 283297c2730cSAdheer Chandravanshi } else { 2833fca9f04dSMike Christie rval = qla4xxx_get_chap_index(ha, sess->username, 283497c2730cSAdheer Chandravanshi sess->password, 283597c2730cSAdheer Chandravanshi LOCAL_CHAP, &idx); 283697c2730cSAdheer Chandravanshi } 2837fca9f04dSMike Christie if (rval) 2838c7a5e0d0SManish Rangankar len = sprintf(buf, "\n"); 2839c7a5e0d0SManish Rangankar else 2840fca9f04dSMike Christie len = sprintf(buf, "%hu\n", idx); 2841fca9f04dSMike Christie break; 284297c2730cSAdheer Chandravanshi case ISCSI_PARAM_USERNAME: 284397c2730cSAdheer Chandravanshi case ISCSI_PARAM_PASSWORD: 284497c2730cSAdheer Chandravanshi /* First, populate session username and password for FLASH DDB, 284597c2730cSAdheer Chandravanshi * if not already done. This happens when session login fails 284697c2730cSAdheer Chandravanshi * for a FLASH DDB. 284797c2730cSAdheer Chandravanshi */ 284897c2730cSAdheer Chandravanshi if (ddb_entry->ddb_type == FLASH_DDB && 284997c2730cSAdheer Chandravanshi ddb_entry->chap_tbl_idx != INVALID_ENTRY && 285097c2730cSAdheer Chandravanshi !sess->username && !sess->password) { 285197c2730cSAdheer Chandravanshi idx = ddb_entry->chap_tbl_idx; 285297c2730cSAdheer Chandravanshi rval = qla4xxx_get_uni_chap_at_index(ha, chap_tbl.name, 285397c2730cSAdheer Chandravanshi chap_tbl.secret, 285497c2730cSAdheer Chandravanshi idx); 285597c2730cSAdheer Chandravanshi if (!rval) { 285697c2730cSAdheer Chandravanshi iscsi_set_param(cls_conn, ISCSI_PARAM_USERNAME, 285797c2730cSAdheer Chandravanshi (char *)chap_tbl.name, 285897c2730cSAdheer Chandravanshi strlen((char *)chap_tbl.name)); 285997c2730cSAdheer Chandravanshi iscsi_set_param(cls_conn, ISCSI_PARAM_PASSWORD, 286097c2730cSAdheer Chandravanshi (char *)chap_tbl.secret, 286197c2730cSAdheer Chandravanshi chap_tbl.secret_len); 286297c2730cSAdheer Chandravanshi } 286397c2730cSAdheer Chandravanshi } 286497c2730cSAdheer Chandravanshi /* allow fall-through */ 2865fca9f04dSMike Christie default: 2866fca9f04dSMike Christie return iscsi_session_get_param(cls_sess, param, buf); 2867fca9f04dSMike Christie } 2868fca9f04dSMike Christie 2869fca9f04dSMike Christie return len; 2870fca9f04dSMike Christie } 2871fca9f04dSMike Christie 2872b3a271a9SManish Rangankar static int qla4xxx_conn_get_param(struct iscsi_cls_conn *cls_conn, 2873afaf5a2dSDavid Somayajulu enum iscsi_param param, char *buf) 2874afaf5a2dSDavid Somayajulu { 2875b3a271a9SManish Rangankar struct iscsi_conn *conn; 2876b3a271a9SManish Rangankar struct qla_conn *qla_conn; 2877b3a271a9SManish Rangankar struct sockaddr *dst_addr; 2878afaf5a2dSDavid Somayajulu 2879b3a271a9SManish Rangankar conn = cls_conn->dd_data; 2880b3a271a9SManish Rangankar qla_conn = conn->dd_data; 2881d46bdeb1SManish Rangankar dst_addr = (struct sockaddr *)&qla_conn->qla_ep->dst_addr; 2882afaf5a2dSDavid Somayajulu 2883afaf5a2dSDavid Somayajulu switch (param) { 2884afaf5a2dSDavid Somayajulu case ISCSI_PARAM_CONN_PORT: 2885afaf5a2dSDavid Somayajulu case ISCSI_PARAM_CONN_ADDRESS: 2886b3a271a9SManish Rangankar return iscsi_conn_get_addr_param((struct sockaddr_storage *) 2887b3a271a9SManish Rangankar dst_addr, param, buf); 2888afaf5a2dSDavid Somayajulu default: 2889b3a271a9SManish Rangankar return iscsi_conn_get_param(cls_conn, param, buf); 2890afaf5a2dSDavid Somayajulu } 2891afaf5a2dSDavid Somayajulu } 2892afaf5a2dSDavid Somayajulu 289313483730SMike Christie int qla4xxx_get_ddb_index(struct scsi_qla_host *ha, uint16_t *ddb_index) 289413483730SMike Christie { 289513483730SMike Christie uint32_t mbx_sts = 0; 289613483730SMike Christie uint16_t tmp_ddb_index; 289713483730SMike Christie int ret; 289813483730SMike Christie 289913483730SMike Christie get_ddb_index: 290013483730SMike Christie tmp_ddb_index = find_first_zero_bit(ha->ddb_idx_map, MAX_DDB_ENTRIES); 290113483730SMike Christie 290213483730SMike Christie if (tmp_ddb_index >= MAX_DDB_ENTRIES) { 290313483730SMike Christie DEBUG2(ql4_printk(KERN_INFO, ha, 290413483730SMike Christie "Free DDB index not available\n")); 290513483730SMike Christie ret = QLA_ERROR; 290613483730SMike Christie goto exit_get_ddb_index; 290713483730SMike Christie } 290813483730SMike Christie 290913483730SMike Christie if (test_and_set_bit(tmp_ddb_index, ha->ddb_idx_map)) 291013483730SMike Christie goto get_ddb_index; 291113483730SMike Christie 291213483730SMike Christie DEBUG2(ql4_printk(KERN_INFO, ha, 291313483730SMike Christie "Found a free DDB index at %d\n", tmp_ddb_index)); 291413483730SMike Christie ret = qla4xxx_req_ddb_entry(ha, tmp_ddb_index, &mbx_sts); 291513483730SMike Christie if (ret == QLA_ERROR) { 291613483730SMike Christie if (mbx_sts == MBOX_STS_COMMAND_ERROR) { 291713483730SMike Christie ql4_printk(KERN_INFO, ha, 291813483730SMike Christie "DDB index = %d not available trying next\n", 291913483730SMike Christie tmp_ddb_index); 292013483730SMike Christie goto get_ddb_index; 292113483730SMike Christie } 292213483730SMike Christie DEBUG2(ql4_printk(KERN_INFO, ha, 292313483730SMike Christie "Free FW DDB not available\n")); 292413483730SMike Christie } 292513483730SMike Christie 292613483730SMike Christie *ddb_index = tmp_ddb_index; 292713483730SMike Christie 292813483730SMike Christie exit_get_ddb_index: 292913483730SMike Christie return ret; 293013483730SMike Christie } 293113483730SMike Christie 293213483730SMike Christie static int qla4xxx_match_ipaddress(struct scsi_qla_host *ha, 293313483730SMike Christie struct ddb_entry *ddb_entry, 293413483730SMike Christie char *existing_ipaddr, 293513483730SMike Christie char *user_ipaddr) 293613483730SMike Christie { 293713483730SMike Christie uint8_t dst_ipaddr[IPv6_ADDR_LEN]; 293813483730SMike Christie char formatted_ipaddr[DDB_IPADDR_LEN]; 293913483730SMike Christie int status = QLA_SUCCESS, ret = 0; 294013483730SMike Christie 294113483730SMike Christie if (ddb_entry->fw_ddb_entry.options & DDB_OPT_IPV6_DEVICE) { 294213483730SMike Christie ret = in6_pton(user_ipaddr, strlen(user_ipaddr), dst_ipaddr, 294313483730SMike Christie '\0', NULL); 294413483730SMike Christie if (ret == 0) { 294513483730SMike Christie status = QLA_ERROR; 294613483730SMike Christie goto out_match; 294713483730SMike Christie } 294813483730SMike Christie ret = sprintf(formatted_ipaddr, "%pI6", dst_ipaddr); 294913483730SMike Christie } else { 295013483730SMike Christie ret = in4_pton(user_ipaddr, strlen(user_ipaddr), dst_ipaddr, 295113483730SMike Christie '\0', NULL); 295213483730SMike Christie if (ret == 0) { 295313483730SMike Christie status = QLA_ERROR; 295413483730SMike Christie goto out_match; 295513483730SMike Christie } 295613483730SMike Christie ret = sprintf(formatted_ipaddr, "%pI4", dst_ipaddr); 295713483730SMike Christie } 295813483730SMike Christie 295913483730SMike Christie if (strcmp(existing_ipaddr, formatted_ipaddr)) 296013483730SMike Christie status = QLA_ERROR; 296113483730SMike Christie 296213483730SMike Christie out_match: 296313483730SMike Christie return status; 296413483730SMike Christie } 296513483730SMike Christie 296613483730SMike Christie static int qla4xxx_match_fwdb_session(struct scsi_qla_host *ha, 296713483730SMike Christie struct iscsi_cls_conn *cls_conn) 296813483730SMike Christie { 296913483730SMike Christie int idx = 0, max_ddbs, rval; 297013483730SMike Christie struct iscsi_cls_session *cls_sess = iscsi_conn_to_session(cls_conn); 297113483730SMike Christie struct iscsi_session *sess, *existing_sess; 297213483730SMike Christie struct iscsi_conn *conn, *existing_conn; 297313483730SMike Christie struct ddb_entry *ddb_entry; 297413483730SMike Christie 297513483730SMike Christie sess = cls_sess->dd_data; 297613483730SMike Christie conn = cls_conn->dd_data; 297713483730SMike Christie 297813483730SMike Christie if (sess->targetname == NULL || 297913483730SMike Christie conn->persistent_address == NULL || 298013483730SMike Christie conn->persistent_port == 0) 298113483730SMike Christie return QLA_ERROR; 298213483730SMike Christie 298313483730SMike Christie max_ddbs = is_qla40XX(ha) ? MAX_DEV_DB_ENTRIES_40XX : 298413483730SMike Christie MAX_DEV_DB_ENTRIES; 298513483730SMike Christie 298613483730SMike Christie for (idx = 0; idx < max_ddbs; idx++) { 298713483730SMike Christie ddb_entry = qla4xxx_lookup_ddb_by_fw_index(ha, idx); 298813483730SMike Christie if (ddb_entry == NULL) 298913483730SMike Christie continue; 299013483730SMike Christie 299113483730SMike Christie if (ddb_entry->ddb_type != FLASH_DDB) 299213483730SMike Christie continue; 299313483730SMike Christie 299413483730SMike Christie existing_sess = ddb_entry->sess->dd_data; 299513483730SMike Christie existing_conn = ddb_entry->conn->dd_data; 299613483730SMike Christie 299713483730SMike Christie if (existing_sess->targetname == NULL || 299813483730SMike Christie existing_conn->persistent_address == NULL || 299913483730SMike Christie existing_conn->persistent_port == 0) 300013483730SMike Christie continue; 300113483730SMike Christie 300213483730SMike Christie DEBUG2(ql4_printk(KERN_INFO, ha, 300313483730SMike Christie "IQN = %s User IQN = %s\n", 300413483730SMike Christie existing_sess->targetname, 300513483730SMike Christie sess->targetname)); 300613483730SMike Christie 300713483730SMike Christie DEBUG2(ql4_printk(KERN_INFO, ha, 300813483730SMike Christie "IP = %s User IP = %s\n", 300913483730SMike Christie existing_conn->persistent_address, 301013483730SMike Christie conn->persistent_address)); 301113483730SMike Christie 301213483730SMike Christie DEBUG2(ql4_printk(KERN_INFO, ha, 301313483730SMike Christie "Port = %d User Port = %d\n", 301413483730SMike Christie existing_conn->persistent_port, 301513483730SMike Christie conn->persistent_port)); 301613483730SMike Christie 301713483730SMike Christie if (strcmp(existing_sess->targetname, sess->targetname)) 301813483730SMike Christie continue; 301913483730SMike Christie rval = qla4xxx_match_ipaddress(ha, ddb_entry, 302013483730SMike Christie existing_conn->persistent_address, 302113483730SMike Christie conn->persistent_address); 302213483730SMike Christie if (rval == QLA_ERROR) 302313483730SMike Christie continue; 302413483730SMike Christie if (existing_conn->persistent_port != conn->persistent_port) 302513483730SMike Christie continue; 302613483730SMike Christie break; 302713483730SMike Christie } 302813483730SMike Christie 302913483730SMike Christie if (idx == max_ddbs) 303013483730SMike Christie return QLA_ERROR; 303113483730SMike Christie 303213483730SMike Christie DEBUG2(ql4_printk(KERN_INFO, ha, 303313483730SMike Christie "Match found in fwdb sessions\n")); 303413483730SMike Christie return QLA_SUCCESS; 303513483730SMike Christie } 303613483730SMike Christie 3037b3a271a9SManish Rangankar static struct iscsi_cls_session * 3038b3a271a9SManish Rangankar qla4xxx_session_create(struct iscsi_endpoint *ep, 3039b3a271a9SManish Rangankar uint16_t cmds_max, uint16_t qdepth, 3040b3a271a9SManish Rangankar uint32_t initial_cmdsn) 3041b3a271a9SManish Rangankar { 3042b3a271a9SManish Rangankar struct iscsi_cls_session *cls_sess; 3043b3a271a9SManish Rangankar struct scsi_qla_host *ha; 3044b3a271a9SManish Rangankar struct qla_endpoint *qla_ep; 3045b3a271a9SManish Rangankar struct ddb_entry *ddb_entry; 304613483730SMike Christie uint16_t ddb_index; 3047b3a271a9SManish Rangankar struct iscsi_session *sess; 3048b3a271a9SManish Rangankar struct sockaddr *dst_addr; 3049b3a271a9SManish Rangankar int ret; 3050b3a271a9SManish Rangankar 3051b3a271a9SManish Rangankar if (!ep) { 3052b3a271a9SManish Rangankar printk(KERN_ERR "qla4xxx: missing ep.\n"); 3053b3a271a9SManish Rangankar return NULL; 3054b3a271a9SManish Rangankar } 3055b3a271a9SManish Rangankar 3056b3a271a9SManish Rangankar qla_ep = ep->dd_data; 3057b3a271a9SManish Rangankar dst_addr = (struct sockaddr *)&qla_ep->dst_addr; 3058b3a271a9SManish Rangankar ha = to_qla_host(qla_ep->host); 3059c343c5e0SVikas Chaudhary DEBUG2(ql4_printk(KERN_INFO, ha, "%s: host: %ld\n", __func__, 3060c343c5e0SVikas Chaudhary ha->host_no)); 3061736cf369SManish Rangankar 306213483730SMike Christie ret = qla4xxx_get_ddb_index(ha, &ddb_index); 306313483730SMike Christie if (ret == QLA_ERROR) 3064b3a271a9SManish Rangankar return NULL; 3065b3a271a9SManish Rangankar 3066b3a271a9SManish Rangankar cls_sess = iscsi_session_setup(&qla4xxx_iscsi_transport, qla_ep->host, 3067b3a271a9SManish Rangankar cmds_max, sizeof(struct ddb_entry), 3068b3a271a9SManish Rangankar sizeof(struct ql4_task_data), 3069b3a271a9SManish Rangankar initial_cmdsn, ddb_index); 3070b3a271a9SManish Rangankar if (!cls_sess) 3071b3a271a9SManish Rangankar return NULL; 3072b3a271a9SManish Rangankar 3073b3a271a9SManish Rangankar sess = cls_sess->dd_data; 3074b3a271a9SManish Rangankar ddb_entry = sess->dd_data; 3075b3a271a9SManish Rangankar ddb_entry->fw_ddb_index = ddb_index; 3076b3a271a9SManish Rangankar ddb_entry->fw_ddb_device_state = DDB_DS_NO_CONNECTION_ACTIVE; 3077b3a271a9SManish Rangankar ddb_entry->ha = ha; 3078b3a271a9SManish Rangankar ddb_entry->sess = cls_sess; 307913483730SMike Christie ddb_entry->unblock_sess = qla4xxx_unblock_ddb; 308013483730SMike Christie ddb_entry->ddb_change = qla4xxx_ddb_change; 3081de2efea6SNilesh Javali clear_bit(DDB_CONN_CLOSE_FAILURE, &ddb_entry->flags); 3082b3a271a9SManish Rangankar cls_sess->recovery_tmo = ql4xsess_recovery_tmo; 3083b3a271a9SManish Rangankar ha->fw_ddb_index_map[ddb_entry->fw_ddb_index] = ddb_entry; 3084b3a271a9SManish Rangankar ha->tot_ddbs++; 3085b3a271a9SManish Rangankar 3086b3a271a9SManish Rangankar return cls_sess; 3087b3a271a9SManish Rangankar } 3088b3a271a9SManish Rangankar 3089b3a271a9SManish Rangankar static void qla4xxx_session_destroy(struct iscsi_cls_session *cls_sess) 3090b3a271a9SManish Rangankar { 3091b3a271a9SManish Rangankar struct iscsi_session *sess; 3092b3a271a9SManish Rangankar struct ddb_entry *ddb_entry; 3093b3a271a9SManish Rangankar struct scsi_qla_host *ha; 309490599b62SManish Rangankar unsigned long flags, wtime; 309590599b62SManish Rangankar struct dev_db_entry *fw_ddb_entry = NULL; 309690599b62SManish Rangankar dma_addr_t fw_ddb_entry_dma; 309790599b62SManish Rangankar uint32_t ddb_state; 309890599b62SManish Rangankar int ret; 3099b3a271a9SManish Rangankar 3100b3a271a9SManish Rangankar sess = cls_sess->dd_data; 3101b3a271a9SManish Rangankar ddb_entry = sess->dd_data; 3102b3a271a9SManish Rangankar ha = ddb_entry->ha; 3103c343c5e0SVikas Chaudhary DEBUG2(ql4_printk(KERN_INFO, ha, "%s: host: %ld\n", __func__, 3104c343c5e0SVikas Chaudhary ha->host_no)); 3105b3a271a9SManish Rangankar 310690599b62SManish Rangankar fw_ddb_entry = dma_alloc_coherent(&ha->pdev->dev, sizeof(*fw_ddb_entry), 310790599b62SManish Rangankar &fw_ddb_entry_dma, GFP_KERNEL); 310890599b62SManish Rangankar if (!fw_ddb_entry) { 310990599b62SManish Rangankar ql4_printk(KERN_ERR, ha, 311090599b62SManish Rangankar "%s: Unable to allocate dma buffer\n", __func__); 311190599b62SManish Rangankar goto destroy_session; 311290599b62SManish Rangankar } 311390599b62SManish Rangankar 311490599b62SManish Rangankar wtime = jiffies + (HZ * LOGOUT_TOV); 311590599b62SManish Rangankar do { 311690599b62SManish Rangankar ret = qla4xxx_get_fwddb_entry(ha, ddb_entry->fw_ddb_index, 311790599b62SManish Rangankar fw_ddb_entry, fw_ddb_entry_dma, 311890599b62SManish Rangankar NULL, NULL, &ddb_state, NULL, 311990599b62SManish Rangankar NULL, NULL); 312090599b62SManish Rangankar if (ret == QLA_ERROR) 312190599b62SManish Rangankar goto destroy_session; 312290599b62SManish Rangankar 312390599b62SManish Rangankar if ((ddb_state == DDB_DS_NO_CONNECTION_ACTIVE) || 312490599b62SManish Rangankar (ddb_state == DDB_DS_SESSION_FAILED)) 312590599b62SManish Rangankar goto destroy_session; 312690599b62SManish Rangankar 312790599b62SManish Rangankar schedule_timeout_uninterruptible(HZ); 312890599b62SManish Rangankar } while ((time_after(wtime, jiffies))); 312990599b62SManish Rangankar 313090599b62SManish Rangankar destroy_session: 3131736cf369SManish Rangankar qla4xxx_clear_ddb_entry(ha, ddb_entry->fw_ddb_index); 3132de2efea6SNilesh Javali if (test_and_clear_bit(DDB_CONN_CLOSE_FAILURE, &ddb_entry->flags)) 3133de2efea6SNilesh Javali clear_bit(ddb_entry->fw_ddb_index, ha->ddb_idx_map); 3134b3a271a9SManish Rangankar spin_lock_irqsave(&ha->hardware_lock, flags); 3135b3a271a9SManish Rangankar qla4xxx_free_ddb(ha, ddb_entry); 3136b3a271a9SManish Rangankar spin_unlock_irqrestore(&ha->hardware_lock, flags); 313790599b62SManish Rangankar 3138b3a271a9SManish Rangankar iscsi_session_teardown(cls_sess); 313990599b62SManish Rangankar 314090599b62SManish Rangankar if (fw_ddb_entry) 314190599b62SManish Rangankar dma_free_coherent(&ha->pdev->dev, sizeof(*fw_ddb_entry), 314290599b62SManish Rangankar fw_ddb_entry, fw_ddb_entry_dma); 3143b3a271a9SManish Rangankar } 3144b3a271a9SManish Rangankar 3145b3a271a9SManish Rangankar static struct iscsi_cls_conn * 3146b3a271a9SManish Rangankar qla4xxx_conn_create(struct iscsi_cls_session *cls_sess, uint32_t conn_idx) 3147b3a271a9SManish Rangankar { 3148b3a271a9SManish Rangankar struct iscsi_cls_conn *cls_conn; 3149b3a271a9SManish Rangankar struct iscsi_session *sess; 3150b3a271a9SManish Rangankar struct ddb_entry *ddb_entry; 3151c343c5e0SVikas Chaudhary struct scsi_qla_host *ha; 3152b3a271a9SManish Rangankar 3153b3a271a9SManish Rangankar cls_conn = iscsi_conn_setup(cls_sess, sizeof(struct qla_conn), 3154b3a271a9SManish Rangankar conn_idx); 3155c343c5e0SVikas Chaudhary if (!cls_conn) { 3156c343c5e0SVikas Chaudhary pr_info("%s: Can not create connection for conn_idx = %u\n", 3157c343c5e0SVikas Chaudhary __func__, conn_idx); 3158ff1d0319SMike Christie return NULL; 3159c343c5e0SVikas Chaudhary } 3160ff1d0319SMike Christie 3161b3a271a9SManish Rangankar sess = cls_sess->dd_data; 3162b3a271a9SManish Rangankar ddb_entry = sess->dd_data; 3163b3a271a9SManish Rangankar ddb_entry->conn = cls_conn; 3164b3a271a9SManish Rangankar 3165c343c5e0SVikas Chaudhary ha = ddb_entry->ha; 3166c343c5e0SVikas Chaudhary DEBUG2(ql4_printk(KERN_INFO, ha, "%s: conn_idx = %u\n", __func__, 3167c343c5e0SVikas Chaudhary conn_idx)); 3168b3a271a9SManish Rangankar return cls_conn; 3169b3a271a9SManish Rangankar } 3170b3a271a9SManish Rangankar 3171b3a271a9SManish Rangankar static int qla4xxx_conn_bind(struct iscsi_cls_session *cls_session, 3172b3a271a9SManish Rangankar struct iscsi_cls_conn *cls_conn, 3173b3a271a9SManish Rangankar uint64_t transport_fd, int is_leading) 3174b3a271a9SManish Rangankar { 3175b3a271a9SManish Rangankar struct iscsi_conn *conn; 3176b3a271a9SManish Rangankar struct qla_conn *qla_conn; 3177b3a271a9SManish Rangankar struct iscsi_endpoint *ep; 3178c343c5e0SVikas Chaudhary struct ddb_entry *ddb_entry; 3179c343c5e0SVikas Chaudhary struct scsi_qla_host *ha; 3180c343c5e0SVikas Chaudhary struct iscsi_session *sess; 3181b3a271a9SManish Rangankar 3182c343c5e0SVikas Chaudhary sess = cls_session->dd_data; 3183c343c5e0SVikas Chaudhary ddb_entry = sess->dd_data; 3184c343c5e0SVikas Chaudhary ha = ddb_entry->ha; 3185c343c5e0SVikas Chaudhary 3186c343c5e0SVikas Chaudhary DEBUG2(ql4_printk(KERN_INFO, ha, "%s: sid = %d, cid = %d\n", __func__, 3187c343c5e0SVikas Chaudhary cls_session->sid, cls_conn->cid)); 3188b3a271a9SManish Rangankar 3189b3a271a9SManish Rangankar if (iscsi_conn_bind(cls_session, cls_conn, is_leading)) 3190b3a271a9SManish Rangankar return -EINVAL; 3191b3a271a9SManish Rangankar ep = iscsi_lookup_endpoint(transport_fd); 3192b3a271a9SManish Rangankar conn = cls_conn->dd_data; 3193b3a271a9SManish Rangankar qla_conn = conn->dd_data; 3194b3a271a9SManish Rangankar qla_conn->qla_ep = ep->dd_data; 3195b3a271a9SManish Rangankar return 0; 3196b3a271a9SManish Rangankar } 3197b3a271a9SManish Rangankar 3198b3a271a9SManish Rangankar static int qla4xxx_conn_start(struct iscsi_cls_conn *cls_conn) 3199b3a271a9SManish Rangankar { 3200b3a271a9SManish Rangankar struct iscsi_cls_session *cls_sess = iscsi_conn_to_session(cls_conn); 3201b3a271a9SManish Rangankar struct iscsi_session *sess; 3202b3a271a9SManish Rangankar struct ddb_entry *ddb_entry; 3203b3a271a9SManish Rangankar struct scsi_qla_host *ha; 320413483730SMike Christie struct dev_db_entry *fw_ddb_entry = NULL; 3205b3a271a9SManish Rangankar dma_addr_t fw_ddb_entry_dma; 3206b3a271a9SManish Rangankar uint32_t mbx_sts = 0; 3207b3a271a9SManish Rangankar int ret = 0; 3208b3a271a9SManish Rangankar int status = QLA_SUCCESS; 3209b3a271a9SManish Rangankar 3210b3a271a9SManish Rangankar sess = cls_sess->dd_data; 3211b3a271a9SManish Rangankar ddb_entry = sess->dd_data; 3212b3a271a9SManish Rangankar ha = ddb_entry->ha; 3213c343c5e0SVikas Chaudhary DEBUG2(ql4_printk(KERN_INFO, ha, "%s: sid = %d, cid = %d\n", __func__, 3214c343c5e0SVikas Chaudhary cls_sess->sid, cls_conn->cid)); 3215b3a271a9SManish Rangankar 321613483730SMike Christie /* Check if we have matching FW DDB, if yes then do not 321713483730SMike Christie * login to this target. This could cause target to logout previous 321813483730SMike Christie * connection 321913483730SMike Christie */ 322013483730SMike Christie ret = qla4xxx_match_fwdb_session(ha, cls_conn); 322113483730SMike Christie if (ret == QLA_SUCCESS) { 322213483730SMike Christie ql4_printk(KERN_INFO, ha, 322313483730SMike Christie "Session already exist in FW.\n"); 322413483730SMike Christie ret = -EEXIST; 322513483730SMike Christie goto exit_conn_start; 322613483730SMike Christie } 322713483730SMike Christie 3228b3a271a9SManish Rangankar fw_ddb_entry = dma_alloc_coherent(&ha->pdev->dev, sizeof(*fw_ddb_entry), 3229b3a271a9SManish Rangankar &fw_ddb_entry_dma, GFP_KERNEL); 3230b3a271a9SManish Rangankar if (!fw_ddb_entry) { 3231b3a271a9SManish Rangankar ql4_printk(KERN_ERR, ha, 3232b3a271a9SManish Rangankar "%s: Unable to allocate dma buffer\n", __func__); 323313483730SMike Christie ret = -ENOMEM; 323413483730SMike Christie goto exit_conn_start; 3235b3a271a9SManish Rangankar } 3236b3a271a9SManish Rangankar 3237b3a271a9SManish Rangankar ret = qla4xxx_set_param_ddbentry(ha, ddb_entry, cls_conn, &mbx_sts); 3238b3a271a9SManish Rangankar if (ret) { 3239b3a271a9SManish Rangankar /* If iscsid is stopped and started then no need to do 3240b3a271a9SManish Rangankar * set param again since ddb state will be already 3241b3a271a9SManish Rangankar * active and FW does not allow set ddb to an 3242b3a271a9SManish Rangankar * active session. 3243b3a271a9SManish Rangankar */ 3244b3a271a9SManish Rangankar if (mbx_sts) 3245b3a271a9SManish Rangankar if (ddb_entry->fw_ddb_device_state == 3246f922da79SManish Rangankar DDB_DS_SESSION_ACTIVE) { 324713483730SMike Christie ddb_entry->unblock_sess(ddb_entry->sess); 3248b3a271a9SManish Rangankar goto exit_set_param; 3249f922da79SManish Rangankar } 3250b3a271a9SManish Rangankar 3251b3a271a9SManish Rangankar ql4_printk(KERN_ERR, ha, "%s: Failed set param for index[%d]\n", 3252b3a271a9SManish Rangankar __func__, ddb_entry->fw_ddb_index); 3253b3a271a9SManish Rangankar goto exit_conn_start; 3254b3a271a9SManish Rangankar } 3255b3a271a9SManish Rangankar 3256b3a271a9SManish Rangankar status = qla4xxx_conn_open(ha, ddb_entry->fw_ddb_index); 3257b3a271a9SManish Rangankar if (status == QLA_ERROR) { 32580e7e8501SManish Rangankar ql4_printk(KERN_ERR, ha, "%s: Login failed: %s\n", __func__, 32590e7e8501SManish Rangankar sess->targetname); 3260b3a271a9SManish Rangankar ret = -EINVAL; 3261b3a271a9SManish Rangankar goto exit_conn_start; 3262b3a271a9SManish Rangankar } 3263b3a271a9SManish Rangankar 326498270ab4SManish Rangankar if (ddb_entry->fw_ddb_device_state == DDB_DS_NO_CONNECTION_ACTIVE) 3265b3a271a9SManish Rangankar ddb_entry->fw_ddb_device_state = DDB_DS_LOGIN_IN_PROCESS; 3266b3a271a9SManish Rangankar 326798270ab4SManish Rangankar DEBUG2(printk(KERN_INFO "%s: DDB state [%d]\n", __func__, 326898270ab4SManish Rangankar ddb_entry->fw_ddb_device_state)); 326998270ab4SManish Rangankar 3270b3a271a9SManish Rangankar exit_set_param: 3271b3a271a9SManish Rangankar ret = 0; 3272b3a271a9SManish Rangankar 3273b3a271a9SManish Rangankar exit_conn_start: 327413483730SMike Christie if (fw_ddb_entry) 3275b3a271a9SManish Rangankar dma_free_coherent(&ha->pdev->dev, sizeof(*fw_ddb_entry), 3276b3a271a9SManish Rangankar fw_ddb_entry, fw_ddb_entry_dma); 3277b3a271a9SManish Rangankar return ret; 3278b3a271a9SManish Rangankar } 3279b3a271a9SManish Rangankar 3280b3a271a9SManish Rangankar static void qla4xxx_conn_destroy(struct iscsi_cls_conn *cls_conn) 3281b3a271a9SManish Rangankar { 3282b3a271a9SManish Rangankar struct iscsi_cls_session *cls_sess = iscsi_conn_to_session(cls_conn); 3283b3a271a9SManish Rangankar struct iscsi_session *sess; 3284b3a271a9SManish Rangankar struct scsi_qla_host *ha; 3285b3a271a9SManish Rangankar struct ddb_entry *ddb_entry; 3286b3a271a9SManish Rangankar int options; 3287b3a271a9SManish Rangankar 3288b3a271a9SManish Rangankar sess = cls_sess->dd_data; 3289b3a271a9SManish Rangankar ddb_entry = sess->dd_data; 3290b3a271a9SManish Rangankar ha = ddb_entry->ha; 3291c343c5e0SVikas Chaudhary DEBUG2(ql4_printk(KERN_INFO, ha, "%s: cid = %d\n", __func__, 3292c343c5e0SVikas Chaudhary cls_conn->cid)); 3293b3a271a9SManish Rangankar 3294b3a271a9SManish Rangankar options = LOGOUT_OPTION_CLOSE_SESSION; 3295b3a271a9SManish Rangankar if (qla4xxx_session_logout_ddb(ha, ddb_entry, options) == QLA_ERROR) 3296b3a271a9SManish Rangankar ql4_printk(KERN_ERR, ha, "%s: Logout failed\n", __func__); 3297b3a271a9SManish Rangankar } 3298b3a271a9SManish Rangankar 3299b3a271a9SManish Rangankar static void qla4xxx_task_work(struct work_struct *wdata) 3300b3a271a9SManish Rangankar { 3301b3a271a9SManish Rangankar struct ql4_task_data *task_data; 3302b3a271a9SManish Rangankar struct scsi_qla_host *ha; 3303b3a271a9SManish Rangankar struct passthru_status *sts; 3304b3a271a9SManish Rangankar struct iscsi_task *task; 3305b3a271a9SManish Rangankar struct iscsi_hdr *hdr; 3306b3a271a9SManish Rangankar uint8_t *data; 3307b3a271a9SManish Rangankar uint32_t data_len; 3308b3a271a9SManish Rangankar struct iscsi_conn *conn; 3309b3a271a9SManish Rangankar int hdr_len; 3310b3a271a9SManish Rangankar itt_t itt; 3311b3a271a9SManish Rangankar 3312b3a271a9SManish Rangankar task_data = container_of(wdata, struct ql4_task_data, task_work); 3313b3a271a9SManish Rangankar ha = task_data->ha; 3314b3a271a9SManish Rangankar task = task_data->task; 3315b3a271a9SManish Rangankar sts = &task_data->sts; 3316b3a271a9SManish Rangankar hdr_len = sizeof(struct iscsi_hdr); 3317b3a271a9SManish Rangankar 3318b3a271a9SManish Rangankar DEBUG3(printk(KERN_INFO "Status returned\n")); 3319b3a271a9SManish Rangankar DEBUG3(qla4xxx_dump_buffer(sts, 64)); 3320b3a271a9SManish Rangankar DEBUG3(printk(KERN_INFO "Response buffer")); 3321b3a271a9SManish Rangankar DEBUG3(qla4xxx_dump_buffer(task_data->resp_buffer, 64)); 3322b3a271a9SManish Rangankar 3323b3a271a9SManish Rangankar conn = task->conn; 3324b3a271a9SManish Rangankar 3325b3a271a9SManish Rangankar switch (sts->completionStatus) { 3326b3a271a9SManish Rangankar case PASSTHRU_STATUS_COMPLETE: 3327b3a271a9SManish Rangankar hdr = (struct iscsi_hdr *)task_data->resp_buffer; 3328b3a271a9SManish Rangankar /* Assign back the itt in hdr, until we use the PREASSIGN_TAG */ 3329b3a271a9SManish Rangankar itt = sts->handle; 3330b3a271a9SManish Rangankar hdr->itt = itt; 3331b3a271a9SManish Rangankar data = task_data->resp_buffer + hdr_len; 3332b3a271a9SManish Rangankar data_len = task_data->resp_len - hdr_len; 3333b3a271a9SManish Rangankar iscsi_complete_pdu(conn, hdr, data, data_len); 3334b3a271a9SManish Rangankar break; 3335b3a271a9SManish Rangankar default: 3336b3a271a9SManish Rangankar ql4_printk(KERN_ERR, ha, "Passthru failed status = 0x%x\n", 3337b3a271a9SManish Rangankar sts->completionStatus); 3338b3a271a9SManish Rangankar break; 3339b3a271a9SManish Rangankar } 3340b3a271a9SManish Rangankar return; 3341b3a271a9SManish Rangankar } 3342b3a271a9SManish Rangankar 3343b3a271a9SManish Rangankar static int qla4xxx_alloc_pdu(struct iscsi_task *task, uint8_t opcode) 3344b3a271a9SManish Rangankar { 3345b3a271a9SManish Rangankar struct ql4_task_data *task_data; 3346b3a271a9SManish Rangankar struct iscsi_session *sess; 3347b3a271a9SManish Rangankar struct ddb_entry *ddb_entry; 3348b3a271a9SManish Rangankar struct scsi_qla_host *ha; 3349b3a271a9SManish Rangankar int hdr_len; 3350b3a271a9SManish Rangankar 3351b3a271a9SManish Rangankar sess = task->conn->session; 3352b3a271a9SManish Rangankar ddb_entry = sess->dd_data; 3353b3a271a9SManish Rangankar ha = ddb_entry->ha; 3354b3a271a9SManish Rangankar task_data = task->dd_data; 3355b3a271a9SManish Rangankar memset(task_data, 0, sizeof(struct ql4_task_data)); 3356b3a271a9SManish Rangankar 3357b3a271a9SManish Rangankar if (task->sc) { 3358b3a271a9SManish Rangankar ql4_printk(KERN_INFO, ha, 3359b3a271a9SManish Rangankar "%s: SCSI Commands not implemented\n", __func__); 3360b3a271a9SManish Rangankar return -EINVAL; 3361b3a271a9SManish Rangankar } 3362b3a271a9SManish Rangankar 3363b3a271a9SManish Rangankar hdr_len = sizeof(struct iscsi_hdr); 3364b3a271a9SManish Rangankar task_data->ha = ha; 3365b3a271a9SManish Rangankar task_data->task = task; 3366b3a271a9SManish Rangankar 3367b3a271a9SManish Rangankar if (task->data_count) { 3368b3a271a9SManish Rangankar task_data->data_dma = dma_map_single(&ha->pdev->dev, task->data, 3369b3a271a9SManish Rangankar task->data_count, 3370b3a271a9SManish Rangankar PCI_DMA_TODEVICE); 3371b3a271a9SManish Rangankar } 3372b3a271a9SManish Rangankar 3373b3a271a9SManish Rangankar DEBUG2(ql4_printk(KERN_INFO, ha, "%s: MaxRecvLen %u, iscsi hrd %d\n", 3374b3a271a9SManish Rangankar __func__, task->conn->max_recv_dlength, hdr_len)); 3375b3a271a9SManish Rangankar 337669ca216eSManish Rangankar task_data->resp_len = task->conn->max_recv_dlength + hdr_len; 3377b3a271a9SManish Rangankar task_data->resp_buffer = dma_alloc_coherent(&ha->pdev->dev, 3378b3a271a9SManish Rangankar task_data->resp_len, 3379b3a271a9SManish Rangankar &task_data->resp_dma, 3380b3a271a9SManish Rangankar GFP_ATOMIC); 3381b3a271a9SManish Rangankar if (!task_data->resp_buffer) 3382b3a271a9SManish Rangankar goto exit_alloc_pdu; 3383b3a271a9SManish Rangankar 338469ca216eSManish Rangankar task_data->req_len = task->data_count + hdr_len; 3385b3a271a9SManish Rangankar task_data->req_buffer = dma_alloc_coherent(&ha->pdev->dev, 338669ca216eSManish Rangankar task_data->req_len, 3387b3a271a9SManish Rangankar &task_data->req_dma, 3388b3a271a9SManish Rangankar GFP_ATOMIC); 3389b3a271a9SManish Rangankar if (!task_data->req_buffer) 3390b3a271a9SManish Rangankar goto exit_alloc_pdu; 3391b3a271a9SManish Rangankar 3392b3a271a9SManish Rangankar task->hdr = task_data->req_buffer; 3393b3a271a9SManish Rangankar 3394b3a271a9SManish Rangankar INIT_WORK(&task_data->task_work, qla4xxx_task_work); 3395b3a271a9SManish Rangankar 3396b3a271a9SManish Rangankar return 0; 3397b3a271a9SManish Rangankar 3398b3a271a9SManish Rangankar exit_alloc_pdu: 3399b3a271a9SManish Rangankar if (task_data->resp_buffer) 3400b3a271a9SManish Rangankar dma_free_coherent(&ha->pdev->dev, task_data->resp_len, 3401b3a271a9SManish Rangankar task_data->resp_buffer, task_data->resp_dma); 3402b3a271a9SManish Rangankar 3403b3a271a9SManish Rangankar if (task_data->req_buffer) 340469ca216eSManish Rangankar dma_free_coherent(&ha->pdev->dev, task_data->req_len, 3405b3a271a9SManish Rangankar task_data->req_buffer, task_data->req_dma); 3406b3a271a9SManish Rangankar return -ENOMEM; 3407b3a271a9SManish Rangankar } 3408b3a271a9SManish Rangankar 3409b3a271a9SManish Rangankar static void qla4xxx_task_cleanup(struct iscsi_task *task) 3410b3a271a9SManish Rangankar { 3411b3a271a9SManish Rangankar struct ql4_task_data *task_data; 3412b3a271a9SManish Rangankar struct iscsi_session *sess; 3413b3a271a9SManish Rangankar struct ddb_entry *ddb_entry; 3414b3a271a9SManish Rangankar struct scsi_qla_host *ha; 3415b3a271a9SManish Rangankar int hdr_len; 3416b3a271a9SManish Rangankar 3417b3a271a9SManish Rangankar hdr_len = sizeof(struct iscsi_hdr); 3418b3a271a9SManish Rangankar sess = task->conn->session; 3419b3a271a9SManish Rangankar ddb_entry = sess->dd_data; 3420b3a271a9SManish Rangankar ha = ddb_entry->ha; 3421b3a271a9SManish Rangankar task_data = task->dd_data; 3422b3a271a9SManish Rangankar 3423b3a271a9SManish Rangankar if (task->data_count) { 3424b3a271a9SManish Rangankar dma_unmap_single(&ha->pdev->dev, task_data->data_dma, 3425b3a271a9SManish Rangankar task->data_count, PCI_DMA_TODEVICE); 3426b3a271a9SManish Rangankar } 3427b3a271a9SManish Rangankar 3428b3a271a9SManish Rangankar DEBUG2(ql4_printk(KERN_INFO, ha, "%s: MaxRecvLen %u, iscsi hrd %d\n", 3429b3a271a9SManish Rangankar __func__, task->conn->max_recv_dlength, hdr_len)); 3430b3a271a9SManish Rangankar 3431b3a271a9SManish Rangankar dma_free_coherent(&ha->pdev->dev, task_data->resp_len, 3432b3a271a9SManish Rangankar task_data->resp_buffer, task_data->resp_dma); 343369ca216eSManish Rangankar dma_free_coherent(&ha->pdev->dev, task_data->req_len, 3434b3a271a9SManish Rangankar task_data->req_buffer, task_data->req_dma); 3435b3a271a9SManish Rangankar return; 3436b3a271a9SManish Rangankar } 3437b3a271a9SManish Rangankar 3438b3a271a9SManish Rangankar static int qla4xxx_task_xmit(struct iscsi_task *task) 3439b3a271a9SManish Rangankar { 3440b3a271a9SManish Rangankar struct scsi_cmnd *sc = task->sc; 3441b3a271a9SManish Rangankar struct iscsi_session *sess = task->conn->session; 3442b3a271a9SManish Rangankar struct ddb_entry *ddb_entry = sess->dd_data; 3443b3a271a9SManish Rangankar struct scsi_qla_host *ha = ddb_entry->ha; 3444b3a271a9SManish Rangankar 3445b3a271a9SManish Rangankar if (!sc) 3446b3a271a9SManish Rangankar return qla4xxx_send_passthru0(task); 3447b3a271a9SManish Rangankar 3448b3a271a9SManish Rangankar ql4_printk(KERN_INFO, ha, "%s: scsi cmd xmit not implemented\n", 3449b3a271a9SManish Rangankar __func__); 3450b3a271a9SManish Rangankar return -ENOSYS; 3451b3a271a9SManish Rangankar } 3452b3a271a9SManish Rangankar 34531e9e2be3SAdheer Chandravanshi static int qla4xxx_copy_from_fwddb_param(struct iscsi_bus_flash_session *sess, 34541e9e2be3SAdheer Chandravanshi struct iscsi_bus_flash_conn *conn, 34551e9e2be3SAdheer Chandravanshi struct dev_db_entry *fw_ddb_entry) 34561e9e2be3SAdheer Chandravanshi { 34571e9e2be3SAdheer Chandravanshi unsigned long options = 0; 34581e9e2be3SAdheer Chandravanshi int rc = 0; 34591e9e2be3SAdheer Chandravanshi 34601e9e2be3SAdheer Chandravanshi options = le16_to_cpu(fw_ddb_entry->options); 34611e9e2be3SAdheer Chandravanshi conn->is_fw_assigned_ipv6 = test_bit(OPT_IS_FW_ASSIGNED_IPV6, &options); 34621e9e2be3SAdheer Chandravanshi if (test_bit(OPT_IPV6_DEVICE, &options)) { 3463c962c18bSAdheer Chandravanshi rc = iscsi_switch_str_param(&sess->portal_type, 3464c962c18bSAdheer Chandravanshi PORTAL_TYPE_IPV6); 34651e9e2be3SAdheer Chandravanshi if (rc) 34661e9e2be3SAdheer Chandravanshi goto exit_copy; 34671e9e2be3SAdheer Chandravanshi } else { 3468c962c18bSAdheer Chandravanshi rc = iscsi_switch_str_param(&sess->portal_type, 3469c962c18bSAdheer Chandravanshi PORTAL_TYPE_IPV4); 34701e9e2be3SAdheer Chandravanshi if (rc) 34711e9e2be3SAdheer Chandravanshi goto exit_copy; 34721e9e2be3SAdheer Chandravanshi } 34731e9e2be3SAdheer Chandravanshi 34741e9e2be3SAdheer Chandravanshi sess->auto_snd_tgt_disable = test_bit(OPT_AUTO_SENDTGTS_DISABLE, 34751e9e2be3SAdheer Chandravanshi &options); 34761e9e2be3SAdheer Chandravanshi sess->discovery_sess = test_bit(OPT_DISC_SESSION, &options); 34771e9e2be3SAdheer Chandravanshi sess->entry_state = test_bit(OPT_ENTRY_STATE, &options); 34781e9e2be3SAdheer Chandravanshi 34791e9e2be3SAdheer Chandravanshi options = le16_to_cpu(fw_ddb_entry->iscsi_options); 34801e9e2be3SAdheer Chandravanshi conn->hdrdgst_en = test_bit(ISCSIOPT_HEADER_DIGEST_EN, &options); 34811e9e2be3SAdheer Chandravanshi conn->datadgst_en = test_bit(ISCSIOPT_DATA_DIGEST_EN, &options); 34821e9e2be3SAdheer Chandravanshi sess->imm_data_en = test_bit(ISCSIOPT_IMMEDIATE_DATA_EN, &options); 34831e9e2be3SAdheer Chandravanshi sess->initial_r2t_en = test_bit(ISCSIOPT_INITIAL_R2T_EN, &options); 34841e9e2be3SAdheer Chandravanshi sess->dataseq_inorder_en = test_bit(ISCSIOPT_DATA_SEQ_IN_ORDER, 34851e9e2be3SAdheer Chandravanshi &options); 34861e9e2be3SAdheer Chandravanshi sess->pdu_inorder_en = test_bit(ISCSIOPT_DATA_PDU_IN_ORDER, &options); 34871e9e2be3SAdheer Chandravanshi sess->chap_auth_en = test_bit(ISCSIOPT_CHAP_AUTH_EN, &options); 34881e9e2be3SAdheer Chandravanshi conn->snack_req_en = test_bit(ISCSIOPT_SNACK_REQ_EN, &options); 34891e9e2be3SAdheer Chandravanshi sess->discovery_logout_en = test_bit(ISCSIOPT_DISCOVERY_LOGOUT_EN, 34901e9e2be3SAdheer Chandravanshi &options); 34911e9e2be3SAdheer Chandravanshi sess->bidi_chap_en = test_bit(ISCSIOPT_BIDI_CHAP_EN, &options); 34921e9e2be3SAdheer Chandravanshi sess->discovery_auth_optional = 34931e9e2be3SAdheer Chandravanshi test_bit(ISCSIOPT_DISCOVERY_AUTH_OPTIONAL, &options); 34941e9e2be3SAdheer Chandravanshi if (test_bit(ISCSIOPT_ERL1, &options)) 34951e9e2be3SAdheer Chandravanshi sess->erl |= BIT_1; 34961e9e2be3SAdheer Chandravanshi if (test_bit(ISCSIOPT_ERL0, &options)) 34971e9e2be3SAdheer Chandravanshi sess->erl |= BIT_0; 34981e9e2be3SAdheer Chandravanshi 34991e9e2be3SAdheer Chandravanshi options = le16_to_cpu(fw_ddb_entry->tcp_options); 35001e9e2be3SAdheer Chandravanshi conn->tcp_timestamp_stat = test_bit(TCPOPT_TIMESTAMP_STAT, &options); 35011e9e2be3SAdheer Chandravanshi conn->tcp_nagle_disable = test_bit(TCPOPT_NAGLE_DISABLE, &options); 35021e9e2be3SAdheer Chandravanshi conn->tcp_wsf_disable = test_bit(TCPOPT_WSF_DISABLE, &options); 35031e9e2be3SAdheer Chandravanshi if (test_bit(TCPOPT_TIMER_SCALE3, &options)) 35041e9e2be3SAdheer Chandravanshi conn->tcp_timer_scale |= BIT_3; 35051e9e2be3SAdheer Chandravanshi if (test_bit(TCPOPT_TIMER_SCALE2, &options)) 35061e9e2be3SAdheer Chandravanshi conn->tcp_timer_scale |= BIT_2; 35071e9e2be3SAdheer Chandravanshi if (test_bit(TCPOPT_TIMER_SCALE1, &options)) 35081e9e2be3SAdheer Chandravanshi conn->tcp_timer_scale |= BIT_1; 35091e9e2be3SAdheer Chandravanshi 35101e9e2be3SAdheer Chandravanshi conn->tcp_timer_scale >>= 1; 35111e9e2be3SAdheer Chandravanshi conn->tcp_timestamp_en = test_bit(TCPOPT_TIMESTAMP_EN, &options); 35121e9e2be3SAdheer Chandravanshi 35131e9e2be3SAdheer Chandravanshi options = le16_to_cpu(fw_ddb_entry->ip_options); 35141e9e2be3SAdheer Chandravanshi conn->fragment_disable = test_bit(IPOPT_FRAGMENT_DISABLE, &options); 35151e9e2be3SAdheer Chandravanshi 35161e9e2be3SAdheer Chandravanshi conn->max_recv_dlength = BYTE_UNITS * 35171e9e2be3SAdheer Chandravanshi le16_to_cpu(fw_ddb_entry->iscsi_max_rcv_data_seg_len); 35181e9e2be3SAdheer Chandravanshi conn->max_xmit_dlength = BYTE_UNITS * 35191e9e2be3SAdheer Chandravanshi le16_to_cpu(fw_ddb_entry->iscsi_max_snd_data_seg_len); 35201e9e2be3SAdheer Chandravanshi sess->first_burst = BYTE_UNITS * 35211e9e2be3SAdheer Chandravanshi le16_to_cpu(fw_ddb_entry->iscsi_first_burst_len); 35221e9e2be3SAdheer Chandravanshi sess->max_burst = BYTE_UNITS * 35231e9e2be3SAdheer Chandravanshi le16_to_cpu(fw_ddb_entry->iscsi_max_burst_len); 35241e9e2be3SAdheer Chandravanshi sess->max_r2t = le16_to_cpu(fw_ddb_entry->iscsi_max_outsnd_r2t); 35251e9e2be3SAdheer Chandravanshi sess->time2wait = le16_to_cpu(fw_ddb_entry->iscsi_def_time2wait); 35261e9e2be3SAdheer Chandravanshi sess->time2retain = le16_to_cpu(fw_ddb_entry->iscsi_def_time2retain); 35271e9e2be3SAdheer Chandravanshi sess->tpgt = le32_to_cpu(fw_ddb_entry->tgt_portal_grp); 35281e9e2be3SAdheer Chandravanshi conn->max_segment_size = le16_to_cpu(fw_ddb_entry->mss); 35291e9e2be3SAdheer Chandravanshi conn->tcp_xmit_wsf = fw_ddb_entry->tcp_xmt_wsf; 35301e9e2be3SAdheer Chandravanshi conn->tcp_recv_wsf = fw_ddb_entry->tcp_rcv_wsf; 35311e9e2be3SAdheer Chandravanshi conn->ipv6_flow_label = le16_to_cpu(fw_ddb_entry->ipv6_flow_lbl); 35321e9e2be3SAdheer Chandravanshi conn->keepalive_timeout = le16_to_cpu(fw_ddb_entry->ka_timeout); 35331e9e2be3SAdheer Chandravanshi conn->local_port = le16_to_cpu(fw_ddb_entry->lcl_port); 35341e9e2be3SAdheer Chandravanshi conn->statsn = le32_to_cpu(fw_ddb_entry->stat_sn); 35351e9e2be3SAdheer Chandravanshi conn->exp_statsn = le32_to_cpu(fw_ddb_entry->exp_stat_sn); 35361e9e2be3SAdheer Chandravanshi sess->discovery_parent_idx = le16_to_cpu(fw_ddb_entry->ddb_link); 35371e9e2be3SAdheer Chandravanshi sess->discovery_parent_type = le16_to_cpu(fw_ddb_entry->ddb_link); 35381e9e2be3SAdheer Chandravanshi sess->chap_out_idx = le16_to_cpu(fw_ddb_entry->chap_tbl_idx); 35391e9e2be3SAdheer Chandravanshi sess->tsid = le16_to_cpu(fw_ddb_entry->tsid); 35401e9e2be3SAdheer Chandravanshi 35411e9e2be3SAdheer Chandravanshi sess->default_taskmgmt_timeout = 35421e9e2be3SAdheer Chandravanshi le16_to_cpu(fw_ddb_entry->def_timeout); 35431e9e2be3SAdheer Chandravanshi conn->port = le16_to_cpu(fw_ddb_entry->port); 35441e9e2be3SAdheer Chandravanshi 35451e9e2be3SAdheer Chandravanshi options = le16_to_cpu(fw_ddb_entry->options); 35461e9e2be3SAdheer Chandravanshi conn->ipaddress = kzalloc(IPv6_ADDR_LEN, GFP_KERNEL); 35471e9e2be3SAdheer Chandravanshi if (!conn->ipaddress) { 35481e9e2be3SAdheer Chandravanshi rc = -ENOMEM; 35491e9e2be3SAdheer Chandravanshi goto exit_copy; 35501e9e2be3SAdheer Chandravanshi } 35511e9e2be3SAdheer Chandravanshi 35521e9e2be3SAdheer Chandravanshi conn->redirect_ipaddr = kzalloc(IPv6_ADDR_LEN, GFP_KERNEL); 35531e9e2be3SAdheer Chandravanshi if (!conn->redirect_ipaddr) { 35541e9e2be3SAdheer Chandravanshi rc = -ENOMEM; 35551e9e2be3SAdheer Chandravanshi goto exit_copy; 35561e9e2be3SAdheer Chandravanshi } 35571e9e2be3SAdheer Chandravanshi 35581e9e2be3SAdheer Chandravanshi memcpy(conn->ipaddress, fw_ddb_entry->ip_addr, IPv6_ADDR_LEN); 35591e9e2be3SAdheer Chandravanshi memcpy(conn->redirect_ipaddr, fw_ddb_entry->tgt_addr, IPv6_ADDR_LEN); 35601e9e2be3SAdheer Chandravanshi 35611e9e2be3SAdheer Chandravanshi if (test_bit(OPT_IPV6_DEVICE, &options)) { 35621e9e2be3SAdheer Chandravanshi conn->ipv6_traffic_class = fw_ddb_entry->ipv4_tos; 35631e9e2be3SAdheer Chandravanshi 35643d30b439SBenoit Taine conn->link_local_ipv6_addr = kmemdup( 35653d30b439SBenoit Taine fw_ddb_entry->link_local_ipv6_addr, 35663d30b439SBenoit Taine IPv6_ADDR_LEN, GFP_KERNEL); 35671e9e2be3SAdheer Chandravanshi if (!conn->link_local_ipv6_addr) { 35681e9e2be3SAdheer Chandravanshi rc = -ENOMEM; 35691e9e2be3SAdheer Chandravanshi goto exit_copy; 35701e9e2be3SAdheer Chandravanshi } 35711e9e2be3SAdheer Chandravanshi } else { 35721e9e2be3SAdheer Chandravanshi conn->ipv4_tos = fw_ddb_entry->ipv4_tos; 35731e9e2be3SAdheer Chandravanshi } 35741e9e2be3SAdheer Chandravanshi 35751e9e2be3SAdheer Chandravanshi if (fw_ddb_entry->iscsi_name[0]) { 35761e9e2be3SAdheer Chandravanshi rc = iscsi_switch_str_param(&sess->targetname, 35771e9e2be3SAdheer Chandravanshi (char *)fw_ddb_entry->iscsi_name); 35781e9e2be3SAdheer Chandravanshi if (rc) 35791e9e2be3SAdheer Chandravanshi goto exit_copy; 35801e9e2be3SAdheer Chandravanshi } 35811e9e2be3SAdheer Chandravanshi 35821e9e2be3SAdheer Chandravanshi if (fw_ddb_entry->iscsi_alias[0]) { 35831e9e2be3SAdheer Chandravanshi rc = iscsi_switch_str_param(&sess->targetalias, 35841e9e2be3SAdheer Chandravanshi (char *)fw_ddb_entry->iscsi_alias); 35851e9e2be3SAdheer Chandravanshi if (rc) 35861e9e2be3SAdheer Chandravanshi goto exit_copy; 35871e9e2be3SAdheer Chandravanshi } 35881e9e2be3SAdheer Chandravanshi 35891e9e2be3SAdheer Chandravanshi COPY_ISID(sess->isid, fw_ddb_entry->isid); 35901e9e2be3SAdheer Chandravanshi 35911e9e2be3SAdheer Chandravanshi exit_copy: 35921e9e2be3SAdheer Chandravanshi return rc; 35931e9e2be3SAdheer Chandravanshi } 35941e9e2be3SAdheer Chandravanshi 35951e9e2be3SAdheer Chandravanshi static int qla4xxx_copy_to_fwddb_param(struct iscsi_bus_flash_session *sess, 35961e9e2be3SAdheer Chandravanshi struct iscsi_bus_flash_conn *conn, 35971e9e2be3SAdheer Chandravanshi struct dev_db_entry *fw_ddb_entry) 35981e9e2be3SAdheer Chandravanshi { 35991e9e2be3SAdheer Chandravanshi uint16_t options; 36001e9e2be3SAdheer Chandravanshi int rc = 0; 36011e9e2be3SAdheer Chandravanshi 36021e9e2be3SAdheer Chandravanshi options = le16_to_cpu(fw_ddb_entry->options); 36031e9e2be3SAdheer Chandravanshi SET_BITVAL(conn->is_fw_assigned_ipv6, options, BIT_11); 3604c962c18bSAdheer Chandravanshi if (!strncmp(sess->portal_type, PORTAL_TYPE_IPV6, 4)) 36051e9e2be3SAdheer Chandravanshi options |= BIT_8; 36061e9e2be3SAdheer Chandravanshi else 36071e9e2be3SAdheer Chandravanshi options &= ~BIT_8; 36081e9e2be3SAdheer Chandravanshi 36091e9e2be3SAdheer Chandravanshi SET_BITVAL(sess->auto_snd_tgt_disable, options, BIT_6); 36101e9e2be3SAdheer Chandravanshi SET_BITVAL(sess->discovery_sess, options, BIT_4); 36111e9e2be3SAdheer Chandravanshi SET_BITVAL(sess->entry_state, options, BIT_3); 36121e9e2be3SAdheer Chandravanshi fw_ddb_entry->options = cpu_to_le16(options); 36131e9e2be3SAdheer Chandravanshi 36141e9e2be3SAdheer Chandravanshi options = le16_to_cpu(fw_ddb_entry->iscsi_options); 36151e9e2be3SAdheer Chandravanshi SET_BITVAL(conn->hdrdgst_en, options, BIT_13); 36161e9e2be3SAdheer Chandravanshi SET_BITVAL(conn->datadgst_en, options, BIT_12); 36171e9e2be3SAdheer Chandravanshi SET_BITVAL(sess->imm_data_en, options, BIT_11); 36181e9e2be3SAdheer Chandravanshi SET_BITVAL(sess->initial_r2t_en, options, BIT_10); 36191e9e2be3SAdheer Chandravanshi SET_BITVAL(sess->dataseq_inorder_en, options, BIT_9); 36201e9e2be3SAdheer Chandravanshi SET_BITVAL(sess->pdu_inorder_en, options, BIT_8); 36211e9e2be3SAdheer Chandravanshi SET_BITVAL(sess->chap_auth_en, options, BIT_7); 36221e9e2be3SAdheer Chandravanshi SET_BITVAL(conn->snack_req_en, options, BIT_6); 36231e9e2be3SAdheer Chandravanshi SET_BITVAL(sess->discovery_logout_en, options, BIT_5); 36241e9e2be3SAdheer Chandravanshi SET_BITVAL(sess->bidi_chap_en, options, BIT_4); 36251e9e2be3SAdheer Chandravanshi SET_BITVAL(sess->discovery_auth_optional, options, BIT_3); 36261e9e2be3SAdheer Chandravanshi SET_BITVAL(sess->erl & BIT_1, options, BIT_1); 36271e9e2be3SAdheer Chandravanshi SET_BITVAL(sess->erl & BIT_0, options, BIT_0); 36281e9e2be3SAdheer Chandravanshi fw_ddb_entry->iscsi_options = cpu_to_le16(options); 36291e9e2be3SAdheer Chandravanshi 36301e9e2be3SAdheer Chandravanshi options = le16_to_cpu(fw_ddb_entry->tcp_options); 36311e9e2be3SAdheer Chandravanshi SET_BITVAL(conn->tcp_timestamp_stat, options, BIT_6); 36321e9e2be3SAdheer Chandravanshi SET_BITVAL(conn->tcp_nagle_disable, options, BIT_5); 36331e9e2be3SAdheer Chandravanshi SET_BITVAL(conn->tcp_wsf_disable, options, BIT_4); 36341e9e2be3SAdheer Chandravanshi SET_BITVAL(conn->tcp_timer_scale & BIT_2, options, BIT_3); 36351e9e2be3SAdheer Chandravanshi SET_BITVAL(conn->tcp_timer_scale & BIT_1, options, BIT_2); 36361e9e2be3SAdheer Chandravanshi SET_BITVAL(conn->tcp_timer_scale & BIT_0, options, BIT_1); 36371e9e2be3SAdheer Chandravanshi SET_BITVAL(conn->tcp_timestamp_en, options, BIT_0); 36381e9e2be3SAdheer Chandravanshi fw_ddb_entry->tcp_options = cpu_to_le16(options); 36391e9e2be3SAdheer Chandravanshi 36401e9e2be3SAdheer Chandravanshi options = le16_to_cpu(fw_ddb_entry->ip_options); 36411e9e2be3SAdheer Chandravanshi SET_BITVAL(conn->fragment_disable, options, BIT_4); 36421e9e2be3SAdheer Chandravanshi fw_ddb_entry->ip_options = cpu_to_le16(options); 36431e9e2be3SAdheer Chandravanshi 36441e9e2be3SAdheer Chandravanshi fw_ddb_entry->iscsi_max_outsnd_r2t = cpu_to_le16(sess->max_r2t); 36451e9e2be3SAdheer Chandravanshi fw_ddb_entry->iscsi_max_rcv_data_seg_len = 36461e9e2be3SAdheer Chandravanshi cpu_to_le16(conn->max_recv_dlength / BYTE_UNITS); 36471e9e2be3SAdheer Chandravanshi fw_ddb_entry->iscsi_max_snd_data_seg_len = 36481e9e2be3SAdheer Chandravanshi cpu_to_le16(conn->max_xmit_dlength / BYTE_UNITS); 36491e9e2be3SAdheer Chandravanshi fw_ddb_entry->iscsi_first_burst_len = 36501e9e2be3SAdheer Chandravanshi cpu_to_le16(sess->first_burst / BYTE_UNITS); 36511e9e2be3SAdheer Chandravanshi fw_ddb_entry->iscsi_max_burst_len = cpu_to_le16(sess->max_burst / 36521e9e2be3SAdheer Chandravanshi BYTE_UNITS); 36531e9e2be3SAdheer Chandravanshi fw_ddb_entry->iscsi_def_time2wait = cpu_to_le16(sess->time2wait); 36541e9e2be3SAdheer Chandravanshi fw_ddb_entry->iscsi_def_time2retain = cpu_to_le16(sess->time2retain); 36551e9e2be3SAdheer Chandravanshi fw_ddb_entry->tgt_portal_grp = cpu_to_le16(sess->tpgt); 36561e9e2be3SAdheer Chandravanshi fw_ddb_entry->mss = cpu_to_le16(conn->max_segment_size); 3657fbcd4836SAdheer Chandravanshi fw_ddb_entry->tcp_xmt_wsf = (uint8_t) cpu_to_le32(conn->tcp_xmit_wsf); 3658fbcd4836SAdheer Chandravanshi fw_ddb_entry->tcp_rcv_wsf = (uint8_t) cpu_to_le32(conn->tcp_recv_wsf); 36591e9e2be3SAdheer Chandravanshi fw_ddb_entry->ipv6_flow_lbl = cpu_to_le16(conn->ipv6_flow_label); 36601e9e2be3SAdheer Chandravanshi fw_ddb_entry->ka_timeout = cpu_to_le16(conn->keepalive_timeout); 36611e9e2be3SAdheer Chandravanshi fw_ddb_entry->lcl_port = cpu_to_le16(conn->local_port); 3662fbcd4836SAdheer Chandravanshi fw_ddb_entry->stat_sn = cpu_to_le32(conn->statsn); 3663fbcd4836SAdheer Chandravanshi fw_ddb_entry->exp_stat_sn = cpu_to_le32(conn->exp_statsn); 366465560166SAdheer Chandravanshi fw_ddb_entry->ddb_link = cpu_to_le16(sess->discovery_parent_idx); 36651e9e2be3SAdheer Chandravanshi fw_ddb_entry->chap_tbl_idx = cpu_to_le16(sess->chap_out_idx); 36661e9e2be3SAdheer Chandravanshi fw_ddb_entry->tsid = cpu_to_le16(sess->tsid); 36671e9e2be3SAdheer Chandravanshi fw_ddb_entry->port = cpu_to_le16(conn->port); 36681e9e2be3SAdheer Chandravanshi fw_ddb_entry->def_timeout = 36691e9e2be3SAdheer Chandravanshi cpu_to_le16(sess->default_taskmgmt_timeout); 36701e9e2be3SAdheer Chandravanshi 367184595802SAdheer Chandravanshi if (!strncmp(sess->portal_type, PORTAL_TYPE_IPV6, 4)) 367284595802SAdheer Chandravanshi fw_ddb_entry->ipv4_tos = conn->ipv6_traffic_class; 367384595802SAdheer Chandravanshi else 367484595802SAdheer Chandravanshi fw_ddb_entry->ipv4_tos = conn->ipv4_tos; 367584595802SAdheer Chandravanshi 36761e9e2be3SAdheer Chandravanshi if (conn->ipaddress) 36771e9e2be3SAdheer Chandravanshi memcpy(fw_ddb_entry->ip_addr, conn->ipaddress, 36781e9e2be3SAdheer Chandravanshi sizeof(fw_ddb_entry->ip_addr)); 36791e9e2be3SAdheer Chandravanshi 36801e9e2be3SAdheer Chandravanshi if (conn->redirect_ipaddr) 36811e9e2be3SAdheer Chandravanshi memcpy(fw_ddb_entry->tgt_addr, conn->redirect_ipaddr, 36821e9e2be3SAdheer Chandravanshi sizeof(fw_ddb_entry->tgt_addr)); 36831e9e2be3SAdheer Chandravanshi 36841e9e2be3SAdheer Chandravanshi if (conn->link_local_ipv6_addr) 36851e9e2be3SAdheer Chandravanshi memcpy(fw_ddb_entry->link_local_ipv6_addr, 36861e9e2be3SAdheer Chandravanshi conn->link_local_ipv6_addr, 36871e9e2be3SAdheer Chandravanshi sizeof(fw_ddb_entry->link_local_ipv6_addr)); 36881e9e2be3SAdheer Chandravanshi 36891e9e2be3SAdheer Chandravanshi if (sess->targetname) 36901e9e2be3SAdheer Chandravanshi memcpy(fw_ddb_entry->iscsi_name, sess->targetname, 36911e9e2be3SAdheer Chandravanshi sizeof(fw_ddb_entry->iscsi_name)); 36921e9e2be3SAdheer Chandravanshi 36931e9e2be3SAdheer Chandravanshi if (sess->targetalias) 36941e9e2be3SAdheer Chandravanshi memcpy(fw_ddb_entry->iscsi_alias, sess->targetalias, 36951e9e2be3SAdheer Chandravanshi sizeof(fw_ddb_entry->iscsi_alias)); 36961e9e2be3SAdheer Chandravanshi 36971e9e2be3SAdheer Chandravanshi COPY_ISID(fw_ddb_entry->isid, sess->isid); 36981e9e2be3SAdheer Chandravanshi 36991e9e2be3SAdheer Chandravanshi return rc; 37001e9e2be3SAdheer Chandravanshi } 37011e9e2be3SAdheer Chandravanshi 37028cc91d42SAdheer Chandravanshi static void qla4xxx_copy_to_sess_conn_params(struct iscsi_conn *conn, 37038cc91d42SAdheer Chandravanshi struct iscsi_session *sess, 37048cc91d42SAdheer Chandravanshi struct dev_db_entry *fw_ddb_entry) 37058cc91d42SAdheer Chandravanshi { 37068cc91d42SAdheer Chandravanshi unsigned long options = 0; 37078cc91d42SAdheer Chandravanshi uint16_t ddb_link; 37088cc91d42SAdheer Chandravanshi uint16_t disc_parent; 3709fb734ee3SAdheer Chandravanshi char ip_addr[DDB_IPADDR_LEN]; 37108cc91d42SAdheer Chandravanshi 37118cc91d42SAdheer Chandravanshi options = le16_to_cpu(fw_ddb_entry->options); 37128cc91d42SAdheer Chandravanshi conn->is_fw_assigned_ipv6 = test_bit(OPT_IS_FW_ASSIGNED_IPV6, &options); 37138cc91d42SAdheer Chandravanshi sess->auto_snd_tgt_disable = test_bit(OPT_AUTO_SENDTGTS_DISABLE, 37148cc91d42SAdheer Chandravanshi &options); 37158cc91d42SAdheer Chandravanshi sess->discovery_sess = test_bit(OPT_DISC_SESSION, &options); 37168cc91d42SAdheer Chandravanshi 37178cc91d42SAdheer Chandravanshi options = le16_to_cpu(fw_ddb_entry->iscsi_options); 37188cc91d42SAdheer Chandravanshi conn->hdrdgst_en = test_bit(ISCSIOPT_HEADER_DIGEST_EN, &options); 37198cc91d42SAdheer Chandravanshi conn->datadgst_en = test_bit(ISCSIOPT_DATA_DIGEST_EN, &options); 37208cc91d42SAdheer Chandravanshi sess->imm_data_en = test_bit(ISCSIOPT_IMMEDIATE_DATA_EN, &options); 37218cc91d42SAdheer Chandravanshi sess->initial_r2t_en = test_bit(ISCSIOPT_INITIAL_R2T_EN, &options); 37228cc91d42SAdheer Chandravanshi sess->dataseq_inorder_en = test_bit(ISCSIOPT_DATA_SEQ_IN_ORDER, 37238cc91d42SAdheer Chandravanshi &options); 37248cc91d42SAdheer Chandravanshi sess->pdu_inorder_en = test_bit(ISCSIOPT_DATA_PDU_IN_ORDER, &options); 37258cc91d42SAdheer Chandravanshi sess->chap_auth_en = test_bit(ISCSIOPT_CHAP_AUTH_EN, &options); 37268cc91d42SAdheer Chandravanshi sess->discovery_logout_en = test_bit(ISCSIOPT_DISCOVERY_LOGOUT_EN, 37278cc91d42SAdheer Chandravanshi &options); 37288cc91d42SAdheer Chandravanshi sess->bidi_chap_en = test_bit(ISCSIOPT_BIDI_CHAP_EN, &options); 37298cc91d42SAdheer Chandravanshi sess->discovery_auth_optional = 37308cc91d42SAdheer Chandravanshi test_bit(ISCSIOPT_DISCOVERY_AUTH_OPTIONAL, &options); 37318cc91d42SAdheer Chandravanshi if (test_bit(ISCSIOPT_ERL1, &options)) 37328cc91d42SAdheer Chandravanshi sess->erl |= BIT_1; 37338cc91d42SAdheer Chandravanshi if (test_bit(ISCSIOPT_ERL0, &options)) 37348cc91d42SAdheer Chandravanshi sess->erl |= BIT_0; 37358cc91d42SAdheer Chandravanshi 37368cc91d42SAdheer Chandravanshi options = le16_to_cpu(fw_ddb_entry->tcp_options); 37378cc91d42SAdheer Chandravanshi conn->tcp_timestamp_stat = test_bit(TCPOPT_TIMESTAMP_STAT, &options); 37388cc91d42SAdheer Chandravanshi conn->tcp_nagle_disable = test_bit(TCPOPT_NAGLE_DISABLE, &options); 37398cc91d42SAdheer Chandravanshi conn->tcp_wsf_disable = test_bit(TCPOPT_WSF_DISABLE, &options); 37408cc91d42SAdheer Chandravanshi if (test_bit(TCPOPT_TIMER_SCALE3, &options)) 37418cc91d42SAdheer Chandravanshi conn->tcp_timer_scale |= BIT_3; 37428cc91d42SAdheer Chandravanshi if (test_bit(TCPOPT_TIMER_SCALE2, &options)) 37438cc91d42SAdheer Chandravanshi conn->tcp_timer_scale |= BIT_2; 37448cc91d42SAdheer Chandravanshi if (test_bit(TCPOPT_TIMER_SCALE1, &options)) 37458cc91d42SAdheer Chandravanshi conn->tcp_timer_scale |= BIT_1; 37468cc91d42SAdheer Chandravanshi 37478cc91d42SAdheer Chandravanshi conn->tcp_timer_scale >>= 1; 37488cc91d42SAdheer Chandravanshi conn->tcp_timestamp_en = test_bit(TCPOPT_TIMESTAMP_EN, &options); 37498cc91d42SAdheer Chandravanshi 37508cc91d42SAdheer Chandravanshi options = le16_to_cpu(fw_ddb_entry->ip_options); 37518cc91d42SAdheer Chandravanshi conn->fragment_disable = test_bit(IPOPT_FRAGMENT_DISABLE, &options); 37528cc91d42SAdheer Chandravanshi 37538cc91d42SAdheer Chandravanshi conn->max_recv_dlength = BYTE_UNITS * 37548cc91d42SAdheer Chandravanshi le16_to_cpu(fw_ddb_entry->iscsi_max_rcv_data_seg_len); 37558cc91d42SAdheer Chandravanshi conn->max_xmit_dlength = BYTE_UNITS * 37568cc91d42SAdheer Chandravanshi le16_to_cpu(fw_ddb_entry->iscsi_max_snd_data_seg_len); 37578cc91d42SAdheer Chandravanshi sess->max_r2t = le16_to_cpu(fw_ddb_entry->iscsi_max_outsnd_r2t); 37588cc91d42SAdheer Chandravanshi sess->first_burst = BYTE_UNITS * 37598cc91d42SAdheer Chandravanshi le16_to_cpu(fw_ddb_entry->iscsi_first_burst_len); 37608cc91d42SAdheer Chandravanshi sess->max_burst = BYTE_UNITS * 37618cc91d42SAdheer Chandravanshi le16_to_cpu(fw_ddb_entry->iscsi_max_burst_len); 37628cc91d42SAdheer Chandravanshi sess->time2wait = le16_to_cpu(fw_ddb_entry->iscsi_def_time2wait); 37638cc91d42SAdheer Chandravanshi sess->time2retain = le16_to_cpu(fw_ddb_entry->iscsi_def_time2retain); 37648cc91d42SAdheer Chandravanshi sess->tpgt = le32_to_cpu(fw_ddb_entry->tgt_portal_grp); 37658cc91d42SAdheer Chandravanshi conn->max_segment_size = le16_to_cpu(fw_ddb_entry->mss); 37668cc91d42SAdheer Chandravanshi conn->tcp_xmit_wsf = fw_ddb_entry->tcp_xmt_wsf; 37678cc91d42SAdheer Chandravanshi conn->tcp_recv_wsf = fw_ddb_entry->tcp_rcv_wsf; 37688cc91d42SAdheer Chandravanshi conn->ipv4_tos = fw_ddb_entry->ipv4_tos; 37698cc91d42SAdheer Chandravanshi conn->keepalive_tmo = le16_to_cpu(fw_ddb_entry->ka_timeout); 37708cc91d42SAdheer Chandravanshi conn->local_port = le16_to_cpu(fw_ddb_entry->lcl_port); 37718cc91d42SAdheer Chandravanshi conn->statsn = le32_to_cpu(fw_ddb_entry->stat_sn); 37728cc91d42SAdheer Chandravanshi conn->exp_statsn = le32_to_cpu(fw_ddb_entry->exp_stat_sn); 37738cc91d42SAdheer Chandravanshi sess->tsid = le16_to_cpu(fw_ddb_entry->tsid); 37748cc91d42SAdheer Chandravanshi COPY_ISID(sess->isid, fw_ddb_entry->isid); 37758cc91d42SAdheer Chandravanshi 37768cc91d42SAdheer Chandravanshi ddb_link = le16_to_cpu(fw_ddb_entry->ddb_link); 37778cc91d42SAdheer Chandravanshi if (ddb_link == DDB_ISNS) 37788cc91d42SAdheer Chandravanshi disc_parent = ISCSI_DISC_PARENT_ISNS; 37798cc91d42SAdheer Chandravanshi else if (ddb_link == DDB_NO_LINK) 37808cc91d42SAdheer Chandravanshi disc_parent = ISCSI_DISC_PARENT_UNKNOWN; 37818cc91d42SAdheer Chandravanshi else if (ddb_link < MAX_DDB_ENTRIES) 37828cc91d42SAdheer Chandravanshi disc_parent = ISCSI_DISC_PARENT_SENDTGT; 37838cc91d42SAdheer Chandravanshi else 37848cc91d42SAdheer Chandravanshi disc_parent = ISCSI_DISC_PARENT_UNKNOWN; 37858cc91d42SAdheer Chandravanshi 37868cc91d42SAdheer Chandravanshi iscsi_set_param(conn->cls_conn, ISCSI_PARAM_DISCOVERY_PARENT_TYPE, 37878cc91d42SAdheer Chandravanshi iscsi_get_discovery_parent_name(disc_parent), 0); 37888cc91d42SAdheer Chandravanshi 37898cc91d42SAdheer Chandravanshi iscsi_set_param(conn->cls_conn, ISCSI_PARAM_TARGET_ALIAS, 37908cc91d42SAdheer Chandravanshi (char *)fw_ddb_entry->iscsi_alias, 0); 3791fb734ee3SAdheer Chandravanshi 3792fb734ee3SAdheer Chandravanshi options = le16_to_cpu(fw_ddb_entry->options); 3793fb734ee3SAdheer Chandravanshi if (options & DDB_OPT_IPV6_DEVICE) { 3794fb734ee3SAdheer Chandravanshi memset(ip_addr, 0, sizeof(ip_addr)); 3795fb734ee3SAdheer Chandravanshi sprintf(ip_addr, "%pI6", fw_ddb_entry->link_local_ipv6_addr); 3796fb734ee3SAdheer Chandravanshi iscsi_set_param(conn->cls_conn, ISCSI_PARAM_LOCAL_IPADDR, 3797fb734ee3SAdheer Chandravanshi (char *)ip_addr, 0); 3798fb734ee3SAdheer Chandravanshi } 37998cc91d42SAdheer Chandravanshi } 38008cc91d42SAdheer Chandravanshi 380113483730SMike Christie static void qla4xxx_copy_fwddb_param(struct scsi_qla_host *ha, 380213483730SMike Christie struct dev_db_entry *fw_ddb_entry, 380313483730SMike Christie struct iscsi_cls_session *cls_sess, 380413483730SMike Christie struct iscsi_cls_conn *cls_conn) 380513483730SMike Christie { 380613483730SMike Christie int buflen = 0; 380713483730SMike Christie struct iscsi_session *sess; 3808376738afSNilesh Javali struct ddb_entry *ddb_entry; 3809946ac571SAdheer Chandravanshi struct ql4_chap_table chap_tbl; 381013483730SMike Christie struct iscsi_conn *conn; 381113483730SMike Christie char ip_addr[DDB_IPADDR_LEN]; 381213483730SMike Christie uint16_t options = 0; 381313483730SMike Christie 381413483730SMike Christie sess = cls_sess->dd_data; 3815376738afSNilesh Javali ddb_entry = sess->dd_data; 381613483730SMike Christie conn = cls_conn->dd_data; 3817946ac571SAdheer Chandravanshi memset(&chap_tbl, 0, sizeof(chap_tbl)); 381813483730SMike Christie 3819376738afSNilesh Javali ddb_entry->chap_tbl_idx = le16_to_cpu(fw_ddb_entry->chap_tbl_idx); 3820376738afSNilesh Javali 38218cc91d42SAdheer Chandravanshi qla4xxx_copy_to_sess_conn_params(conn, sess, fw_ddb_entry); 382213483730SMike Christie 38238cc91d42SAdheer Chandravanshi sess->def_taskmgmt_tmo = le16_to_cpu(fw_ddb_entry->def_timeout); 382413483730SMike Christie conn->persistent_port = le16_to_cpu(fw_ddb_entry->port); 382513483730SMike Christie 38268cc91d42SAdheer Chandravanshi memset(ip_addr, 0, sizeof(ip_addr)); 382713483730SMike Christie options = le16_to_cpu(fw_ddb_entry->options); 38288cc91d42SAdheer Chandravanshi if (options & DDB_OPT_IPV6_DEVICE) { 38298cc91d42SAdheer Chandravanshi iscsi_set_param(cls_conn, ISCSI_PARAM_PORTAL_TYPE, "ipv6", 4); 383013483730SMike Christie 38318cc91d42SAdheer Chandravanshi memset(ip_addr, 0, sizeof(ip_addr)); 38328cc91d42SAdheer Chandravanshi sprintf(ip_addr, "%pI6", fw_ddb_entry->ip_addr); 38338cc91d42SAdheer Chandravanshi } else { 38348cc91d42SAdheer Chandravanshi iscsi_set_param(cls_conn, ISCSI_PARAM_PORTAL_TYPE, "ipv4", 4); 38358cc91d42SAdheer Chandravanshi sprintf(ip_addr, "%pI4", fw_ddb_entry->ip_addr); 38368cc91d42SAdheer Chandravanshi } 38378cc91d42SAdheer Chandravanshi 38388cc91d42SAdheer Chandravanshi iscsi_set_param(cls_conn, ISCSI_PARAM_PERSISTENT_ADDRESS, 38398cc91d42SAdheer Chandravanshi (char *)ip_addr, buflen); 384013483730SMike Christie iscsi_set_param(cls_conn, ISCSI_PARAM_TARGET_NAME, 384113483730SMike Christie (char *)fw_ddb_entry->iscsi_name, buflen); 384213483730SMike Christie iscsi_set_param(cls_conn, ISCSI_PARAM_INITIATOR_NAME, 384313483730SMike Christie (char *)ha->name_string, buflen); 3844946ac571SAdheer Chandravanshi 3845946ac571SAdheer Chandravanshi if (ddb_entry->chap_tbl_idx != INVALID_ENTRY) { 3846946ac571SAdheer Chandravanshi if (!qla4xxx_get_uni_chap_at_index(ha, chap_tbl.name, 3847946ac571SAdheer Chandravanshi chap_tbl.secret, 3848946ac571SAdheer Chandravanshi ddb_entry->chap_tbl_idx)) { 3849946ac571SAdheer Chandravanshi iscsi_set_param(cls_conn, ISCSI_PARAM_USERNAME, 3850946ac571SAdheer Chandravanshi (char *)chap_tbl.name, 3851946ac571SAdheer Chandravanshi strlen((char *)chap_tbl.name)); 3852946ac571SAdheer Chandravanshi iscsi_set_param(cls_conn, ISCSI_PARAM_PASSWORD, 3853946ac571SAdheer Chandravanshi (char *)chap_tbl.secret, 3854946ac571SAdheer Chandravanshi chap_tbl.secret_len); 3855946ac571SAdheer Chandravanshi } 3856946ac571SAdheer Chandravanshi } 385713483730SMike Christie } 385813483730SMike Christie 385913483730SMike Christie void qla4xxx_update_session_conn_fwddb_param(struct scsi_qla_host *ha, 386013483730SMike Christie struct ddb_entry *ddb_entry) 386113483730SMike Christie { 386213483730SMike Christie struct iscsi_cls_session *cls_sess; 386313483730SMike Christie struct iscsi_cls_conn *cls_conn; 386413483730SMike Christie uint32_t ddb_state; 386513483730SMike Christie dma_addr_t fw_ddb_entry_dma; 386613483730SMike Christie struct dev_db_entry *fw_ddb_entry; 386713483730SMike Christie 386813483730SMike Christie fw_ddb_entry = dma_alloc_coherent(&ha->pdev->dev, sizeof(*fw_ddb_entry), 386913483730SMike Christie &fw_ddb_entry_dma, GFP_KERNEL); 387013483730SMike Christie if (!fw_ddb_entry) { 387113483730SMike Christie ql4_printk(KERN_ERR, ha, 387213483730SMike Christie "%s: Unable to allocate dma buffer\n", __func__); 387313483730SMike Christie goto exit_session_conn_fwddb_param; 387413483730SMike Christie } 387513483730SMike Christie 387613483730SMike Christie if (qla4xxx_get_fwddb_entry(ha, ddb_entry->fw_ddb_index, fw_ddb_entry, 387713483730SMike Christie fw_ddb_entry_dma, NULL, NULL, &ddb_state, 387813483730SMike Christie NULL, NULL, NULL) == QLA_ERROR) { 387913483730SMike Christie DEBUG2(ql4_printk(KERN_ERR, ha, "scsi%ld: %s: failed " 388013483730SMike Christie "get_ddb_entry for fw_ddb_index %d\n", 388113483730SMike Christie ha->host_no, __func__, 388213483730SMike Christie ddb_entry->fw_ddb_index)); 388313483730SMike Christie goto exit_session_conn_fwddb_param; 388413483730SMike Christie } 388513483730SMike Christie 388613483730SMike Christie cls_sess = ddb_entry->sess; 388713483730SMike Christie 388813483730SMike Christie cls_conn = ddb_entry->conn; 388913483730SMike Christie 389013483730SMike Christie /* Update params */ 389113483730SMike Christie qla4xxx_copy_fwddb_param(ha, fw_ddb_entry, cls_sess, cls_conn); 389213483730SMike Christie 389313483730SMike Christie exit_session_conn_fwddb_param: 389413483730SMike Christie if (fw_ddb_entry) 389513483730SMike Christie dma_free_coherent(&ha->pdev->dev, sizeof(*fw_ddb_entry), 389613483730SMike Christie fw_ddb_entry, fw_ddb_entry_dma); 389713483730SMike Christie } 389813483730SMike Christie 3899b3a271a9SManish Rangankar void qla4xxx_update_session_conn_param(struct scsi_qla_host *ha, 3900b3a271a9SManish Rangankar struct ddb_entry *ddb_entry) 3901b3a271a9SManish Rangankar { 3902b3a271a9SManish Rangankar struct iscsi_cls_session *cls_sess; 3903b3a271a9SManish Rangankar struct iscsi_cls_conn *cls_conn; 3904b3a271a9SManish Rangankar struct iscsi_session *sess; 3905b3a271a9SManish Rangankar struct iscsi_conn *conn; 3906b3a271a9SManish Rangankar uint32_t ddb_state; 3907b3a271a9SManish Rangankar dma_addr_t fw_ddb_entry_dma; 3908b3a271a9SManish Rangankar struct dev_db_entry *fw_ddb_entry; 3909b3a271a9SManish Rangankar 3910b3a271a9SManish Rangankar fw_ddb_entry = dma_alloc_coherent(&ha->pdev->dev, sizeof(*fw_ddb_entry), 3911b3a271a9SManish Rangankar &fw_ddb_entry_dma, GFP_KERNEL); 3912b3a271a9SManish Rangankar if (!fw_ddb_entry) { 3913b3a271a9SManish Rangankar ql4_printk(KERN_ERR, ha, 3914b3a271a9SManish Rangankar "%s: Unable to allocate dma buffer\n", __func__); 391513483730SMike Christie goto exit_session_conn_param; 3916b3a271a9SManish Rangankar } 3917b3a271a9SManish Rangankar 3918b3a271a9SManish Rangankar if (qla4xxx_get_fwddb_entry(ha, ddb_entry->fw_ddb_index, fw_ddb_entry, 3919b3a271a9SManish Rangankar fw_ddb_entry_dma, NULL, NULL, &ddb_state, 3920b3a271a9SManish Rangankar NULL, NULL, NULL) == QLA_ERROR) { 3921b3a271a9SManish Rangankar DEBUG2(ql4_printk(KERN_ERR, ha, "scsi%ld: %s: failed " 3922b3a271a9SManish Rangankar "get_ddb_entry for fw_ddb_index %d\n", 3923b3a271a9SManish Rangankar ha->host_no, __func__, 3924b3a271a9SManish Rangankar ddb_entry->fw_ddb_index)); 392513483730SMike Christie goto exit_session_conn_param; 3926b3a271a9SManish Rangankar } 3927b3a271a9SManish Rangankar 3928b3a271a9SManish Rangankar cls_sess = ddb_entry->sess; 3929b3a271a9SManish Rangankar sess = cls_sess->dd_data; 3930b3a271a9SManish Rangankar 3931b3a271a9SManish Rangankar cls_conn = ddb_entry->conn; 3932b3a271a9SManish Rangankar conn = cls_conn->dd_data; 3933b3a271a9SManish Rangankar 393413483730SMike Christie /* Update timers after login */ 393513483730SMike Christie ddb_entry->default_relogin_timeout = 3936c28eaacaSNilesh Javali (le16_to_cpu(fw_ddb_entry->def_timeout) > LOGIN_TOV) && 3937c28eaacaSNilesh Javali (le16_to_cpu(fw_ddb_entry->def_timeout) < LOGIN_TOV * 10) ? 3938c28eaacaSNilesh Javali le16_to_cpu(fw_ddb_entry->def_timeout) : LOGIN_TOV; 393913483730SMike Christie ddb_entry->default_time2wait = 394013483730SMike Christie le16_to_cpu(fw_ddb_entry->iscsi_def_time2wait); 394113483730SMike Christie 3942b3a271a9SManish Rangankar /* Update params */ 3943376738afSNilesh Javali ddb_entry->chap_tbl_idx = le16_to_cpu(fw_ddb_entry->chap_tbl_idx); 39448cc91d42SAdheer Chandravanshi qla4xxx_copy_to_sess_conn_params(conn, sess, fw_ddb_entry); 3945b3a271a9SManish Rangankar 3946b3a271a9SManish Rangankar memcpy(sess->initiatorname, ha->name_string, 3947b3a271a9SManish Rangankar min(sizeof(ha->name_string), sizeof(sess->initiatorname))); 394813483730SMike Christie 394913483730SMike Christie exit_session_conn_param: 395013483730SMike Christie if (fw_ddb_entry) 395113483730SMike Christie dma_free_coherent(&ha->pdev->dev, sizeof(*fw_ddb_entry), 395213483730SMike Christie fw_ddb_entry, fw_ddb_entry_dma); 3953b3a271a9SManish Rangankar } 3954b3a271a9SManish Rangankar 3955afaf5a2dSDavid Somayajulu /* 3956afaf5a2dSDavid Somayajulu * Timer routines 3957afaf5a2dSDavid Somayajulu */ 3958d744644aSKees Cook static void qla4xxx_timer(struct timer_list *t); 3959afaf5a2dSDavid Somayajulu 3960d744644aSKees Cook static void qla4xxx_start_timer(struct scsi_qla_host *ha, 3961afaf5a2dSDavid Somayajulu unsigned long interval) 3962afaf5a2dSDavid Somayajulu { 3963afaf5a2dSDavid Somayajulu DEBUG(printk("scsi: %s: Starting timer thread for adapter %d\n", 3964afaf5a2dSDavid Somayajulu __func__, ha->host->host_no)); 3965d744644aSKees Cook timer_setup(&ha->timer, qla4xxx_timer, 0); 3966afaf5a2dSDavid Somayajulu ha->timer.expires = jiffies + interval * HZ; 3967afaf5a2dSDavid Somayajulu add_timer(&ha->timer); 3968afaf5a2dSDavid Somayajulu ha->timer_active = 1; 3969afaf5a2dSDavid Somayajulu } 3970afaf5a2dSDavid Somayajulu 3971afaf5a2dSDavid Somayajulu static void qla4xxx_stop_timer(struct scsi_qla_host *ha) 3972afaf5a2dSDavid Somayajulu { 3973afaf5a2dSDavid Somayajulu del_timer_sync(&ha->timer); 3974afaf5a2dSDavid Somayajulu ha->timer_active = 0; 3975afaf5a2dSDavid Somayajulu } 3976afaf5a2dSDavid Somayajulu 3977afaf5a2dSDavid Somayajulu /*** 3978b3a271a9SManish Rangankar * qla4xxx_mark_device_missing - blocks the session 3979b3a271a9SManish Rangankar * @cls_session: Pointer to the session to be blocked 3980afaf5a2dSDavid Somayajulu * @ddb_entry: Pointer to device database entry 3981afaf5a2dSDavid Somayajulu * 3982f4f5df23SVikas Chaudhary * This routine marks a device missing and close connection. 3983afaf5a2dSDavid Somayajulu **/ 3984b3a271a9SManish Rangankar void qla4xxx_mark_device_missing(struct iscsi_cls_session *cls_session) 3985afaf5a2dSDavid Somayajulu { 3986b3a271a9SManish Rangankar iscsi_block_session(cls_session); 3987afaf5a2dSDavid Somayajulu } 3988afaf5a2dSDavid Somayajulu 3989f4f5df23SVikas Chaudhary /** 3990f4f5df23SVikas Chaudhary * qla4xxx_mark_all_devices_missing - mark all devices as missing. 3991f4f5df23SVikas Chaudhary * @ha: Pointer to host adapter structure. 3992f4f5df23SVikas Chaudhary * 3993f4f5df23SVikas Chaudhary * This routine marks a device missing and resets the relogin retry count. 3994f4f5df23SVikas Chaudhary **/ 3995f4f5df23SVikas Chaudhary void qla4xxx_mark_all_devices_missing(struct scsi_qla_host *ha) 3996f4f5df23SVikas Chaudhary { 3997b3a271a9SManish Rangankar iscsi_host_for_each_session(ha->host, qla4xxx_mark_device_missing); 3998f4f5df23SVikas Chaudhary } 3999f4f5df23SVikas Chaudhary 4000afaf5a2dSDavid Somayajulu static struct srb* qla4xxx_get_new_srb(struct scsi_qla_host *ha, 4001afaf5a2dSDavid Somayajulu struct ddb_entry *ddb_entry, 40028f0722caSVikas Chaudhary struct scsi_cmnd *cmd) 4003afaf5a2dSDavid Somayajulu { 4004afaf5a2dSDavid Somayajulu struct srb *srb; 4005afaf5a2dSDavid Somayajulu 4006afaf5a2dSDavid Somayajulu srb = mempool_alloc(ha->srb_mempool, GFP_ATOMIC); 4007afaf5a2dSDavid Somayajulu if (!srb) 4008afaf5a2dSDavid Somayajulu return srb; 4009afaf5a2dSDavid Somayajulu 401009a0f719SVikas Chaudhary kref_init(&srb->srb_ref); 4011afaf5a2dSDavid Somayajulu srb->ha = ha; 4012afaf5a2dSDavid Somayajulu srb->ddb = ddb_entry; 4013afaf5a2dSDavid Somayajulu srb->cmd = cmd; 4014afaf5a2dSDavid Somayajulu srb->flags = 0; 40155369887aSVikas Chaudhary CMD_SP(cmd) = (void *)srb; 4016afaf5a2dSDavid Somayajulu 4017afaf5a2dSDavid Somayajulu return srb; 4018afaf5a2dSDavid Somayajulu } 4019afaf5a2dSDavid Somayajulu 4020afaf5a2dSDavid Somayajulu static void qla4xxx_srb_free_dma(struct scsi_qla_host *ha, struct srb *srb) 4021afaf5a2dSDavid Somayajulu { 4022afaf5a2dSDavid Somayajulu struct scsi_cmnd *cmd = srb->cmd; 4023afaf5a2dSDavid Somayajulu 4024afaf5a2dSDavid Somayajulu if (srb->flags & SRB_DMA_VALID) { 40255f7186c8SFUJITA Tomonori scsi_dma_unmap(cmd); 4026afaf5a2dSDavid Somayajulu srb->flags &= ~SRB_DMA_VALID; 4027afaf5a2dSDavid Somayajulu } 40285369887aSVikas Chaudhary CMD_SP(cmd) = NULL; 4029afaf5a2dSDavid Somayajulu } 4030afaf5a2dSDavid Somayajulu 403109a0f719SVikas Chaudhary void qla4xxx_srb_compl(struct kref *ref) 4032afaf5a2dSDavid Somayajulu { 403309a0f719SVikas Chaudhary struct srb *srb = container_of(ref, struct srb, srb_ref); 4034afaf5a2dSDavid Somayajulu struct scsi_cmnd *cmd = srb->cmd; 403509a0f719SVikas Chaudhary struct scsi_qla_host *ha = srb->ha; 4036afaf5a2dSDavid Somayajulu 4037afaf5a2dSDavid Somayajulu qla4xxx_srb_free_dma(ha, srb); 4038afaf5a2dSDavid Somayajulu 4039afaf5a2dSDavid Somayajulu mempool_free(srb, ha->srb_mempool); 4040afaf5a2dSDavid Somayajulu 4041afaf5a2dSDavid Somayajulu cmd->scsi_done(cmd); 4042afaf5a2dSDavid Somayajulu } 4043afaf5a2dSDavid Somayajulu 4044afaf5a2dSDavid Somayajulu /** 4045afaf5a2dSDavid Somayajulu * qla4xxx_queuecommand - scsi layer issues scsi command to driver. 40468f0722caSVikas Chaudhary * @host: scsi host 4047afaf5a2dSDavid Somayajulu * @cmd: Pointer to Linux's SCSI command structure 4048afaf5a2dSDavid Somayajulu * 4049afaf5a2dSDavid Somayajulu * Remarks: 4050afaf5a2dSDavid Somayajulu * This routine is invoked by Linux to send a SCSI command to the driver. 4051afaf5a2dSDavid Somayajulu * The mid-level driver tries to ensure that queuecommand never gets 4052afaf5a2dSDavid Somayajulu * invoked concurrently with itself or the interrupt handler (although 4053afaf5a2dSDavid Somayajulu * the interrupt handler may call this routine as part of request- 4054afaf5a2dSDavid Somayajulu * completion handling). Unfortunely, it sometimes calls the scheduler 4055afaf5a2dSDavid Somayajulu * in interrupt context which is a big NO! NO!. 4056afaf5a2dSDavid Somayajulu **/ 40578f0722caSVikas Chaudhary static int qla4xxx_queuecommand(struct Scsi_Host *host, struct scsi_cmnd *cmd) 4058afaf5a2dSDavid Somayajulu { 40598f0722caSVikas Chaudhary struct scsi_qla_host *ha = to_qla_host(host); 4060afaf5a2dSDavid Somayajulu struct ddb_entry *ddb_entry = cmd->device->hostdata; 40617fb1921bSMike Christie struct iscsi_cls_session *sess = ddb_entry->sess; 4062afaf5a2dSDavid Somayajulu struct srb *srb; 4063afaf5a2dSDavid Somayajulu int rval; 4064afaf5a2dSDavid Somayajulu 40652232be0dSLalit Chandivade if (test_bit(AF_EEH_BUSY, &ha->flags)) { 40662232be0dSLalit Chandivade if (test_bit(AF_PCI_CHANNEL_IO_PERM_FAILURE, &ha->flags)) 40672232be0dSLalit Chandivade cmd->result = DID_NO_CONNECT << 16; 40682232be0dSLalit Chandivade else 40692232be0dSLalit Chandivade cmd->result = DID_REQUEUE << 16; 40702232be0dSLalit Chandivade goto qc_fail_command; 40712232be0dSLalit Chandivade } 40722232be0dSLalit Chandivade 40737fb1921bSMike Christie if (!sess) { 40747fb1921bSMike Christie cmd->result = DID_IMM_RETRY << 16; 40757fb1921bSMike Christie goto qc_fail_command; 40767fb1921bSMike Christie } 40777fb1921bSMike Christie 40787fb1921bSMike Christie rval = iscsi_session_chkready(sess); 40797fb1921bSMike Christie if (rval) { 40807fb1921bSMike Christie cmd->result = rval; 40817fb1921bSMike Christie goto qc_fail_command; 40827fb1921bSMike Christie } 40837fb1921bSMike Christie 4084f4f5df23SVikas Chaudhary if (test_bit(DPC_RESET_HA_INTR, &ha->dpc_flags) || 4085f4f5df23SVikas Chaudhary test_bit(DPC_RESET_ACTIVE, &ha->dpc_flags) || 4086f4f5df23SVikas Chaudhary test_bit(DPC_RESET_HA, &ha->dpc_flags) || 4087f4f5df23SVikas Chaudhary test_bit(DPC_HA_UNRECOVERABLE, &ha->dpc_flags) || 4088f4f5df23SVikas Chaudhary test_bit(DPC_HA_NEED_QUIESCENT, &ha->dpc_flags) || 4089f4f5df23SVikas Chaudhary !test_bit(AF_ONLINE, &ha->flags) || 4090b3a271a9SManish Rangankar !test_bit(AF_LINK_UP, &ha->flags) || 4091026fbd3aSNilesh Javali test_bit(AF_LOOPBACK, &ha->flags) || 40927ab284c9SNilesh Javali test_bit(DPC_POST_IDC_ACK, &ha->dpc_flags) || 40937ab284c9SNilesh Javali test_bit(DPC_RESTORE_ACB, &ha->dpc_flags) || 4094f4f5df23SVikas Chaudhary test_bit(DPC_RESET_HA_FW_CONTEXT, &ha->dpc_flags)) 4095477ffb9dSDavid C Somayajulu goto qc_host_busy; 4096477ffb9dSDavid C Somayajulu 40978f0722caSVikas Chaudhary srb = qla4xxx_get_new_srb(ha, ddb_entry, cmd); 4098afaf5a2dSDavid Somayajulu if (!srb) 40998f0722caSVikas Chaudhary goto qc_host_busy; 4100afaf5a2dSDavid Somayajulu 4101afaf5a2dSDavid Somayajulu rval = qla4xxx_send_command_to_isp(ha, srb); 4102afaf5a2dSDavid Somayajulu if (rval != QLA_SUCCESS) 4103afaf5a2dSDavid Somayajulu goto qc_host_busy_free_sp; 4104afaf5a2dSDavid Somayajulu 4105afaf5a2dSDavid Somayajulu return 0; 4106afaf5a2dSDavid Somayajulu 4107afaf5a2dSDavid Somayajulu qc_host_busy_free_sp: 4108afaf5a2dSDavid Somayajulu qla4xxx_srb_free_dma(ha, srb); 4109afaf5a2dSDavid Somayajulu mempool_free(srb, ha->srb_mempool); 4110afaf5a2dSDavid Somayajulu 4111afaf5a2dSDavid Somayajulu qc_host_busy: 4112afaf5a2dSDavid Somayajulu return SCSI_MLQUEUE_HOST_BUSY; 4113afaf5a2dSDavid Somayajulu 4114afaf5a2dSDavid Somayajulu qc_fail_command: 41158f0722caSVikas Chaudhary cmd->scsi_done(cmd); 4116afaf5a2dSDavid Somayajulu 4117afaf5a2dSDavid Somayajulu return 0; 4118afaf5a2dSDavid Somayajulu } 4119afaf5a2dSDavid Somayajulu 4120afaf5a2dSDavid Somayajulu /** 4121afaf5a2dSDavid Somayajulu * qla4xxx_mem_free - frees memory allocated to adapter 4122afaf5a2dSDavid Somayajulu * @ha: Pointer to host adapter structure. 4123afaf5a2dSDavid Somayajulu * 4124afaf5a2dSDavid Somayajulu * Frees memory previously allocated by qla4xxx_mem_alloc 4125afaf5a2dSDavid Somayajulu **/ 4126afaf5a2dSDavid Somayajulu static void qla4xxx_mem_free(struct scsi_qla_host *ha) 4127afaf5a2dSDavid Somayajulu { 4128afaf5a2dSDavid Somayajulu if (ha->queues) 4129afaf5a2dSDavid Somayajulu dma_free_coherent(&ha->pdev->dev, ha->queues_len, ha->queues, 4130afaf5a2dSDavid Somayajulu ha->queues_dma); 4131afaf5a2dSDavid Somayajulu 4132068237c8STej Parkash if (ha->fw_dump) 4133068237c8STej Parkash vfree(ha->fw_dump); 4134068237c8STej Parkash 4135afaf5a2dSDavid Somayajulu ha->queues_len = 0; 4136afaf5a2dSDavid Somayajulu ha->queues = NULL; 4137afaf5a2dSDavid Somayajulu ha->queues_dma = 0; 4138afaf5a2dSDavid Somayajulu ha->request_ring = NULL; 4139afaf5a2dSDavid Somayajulu ha->request_dma = 0; 4140afaf5a2dSDavid Somayajulu ha->response_ring = NULL; 4141afaf5a2dSDavid Somayajulu ha->response_dma = 0; 4142afaf5a2dSDavid Somayajulu ha->shadow_regs = NULL; 4143afaf5a2dSDavid Somayajulu ha->shadow_regs_dma = 0; 4144068237c8STej Parkash ha->fw_dump = NULL; 4145068237c8STej Parkash ha->fw_dump_size = 0; 4146afaf5a2dSDavid Somayajulu 4147afaf5a2dSDavid Somayajulu /* Free srb pool. */ 4148afaf5a2dSDavid Somayajulu if (ha->srb_mempool) 4149afaf5a2dSDavid Somayajulu mempool_destroy(ha->srb_mempool); 4150afaf5a2dSDavid Somayajulu 4151afaf5a2dSDavid Somayajulu ha->srb_mempool = NULL; 4152afaf5a2dSDavid Somayajulu 4153b3a271a9SManish Rangankar if (ha->chap_dma_pool) 4154b3a271a9SManish Rangankar dma_pool_destroy(ha->chap_dma_pool); 4155b3a271a9SManish Rangankar 41564549415aSLalit Chandivade if (ha->chap_list) 41574549415aSLalit Chandivade vfree(ha->chap_list); 41584549415aSLalit Chandivade ha->chap_list = NULL; 41594549415aSLalit Chandivade 416013483730SMike Christie if (ha->fw_ddb_dma_pool) 416113483730SMike Christie dma_pool_destroy(ha->fw_ddb_dma_pool); 416213483730SMike Christie 4163afaf5a2dSDavid Somayajulu /* release io space registers */ 4164f4f5df23SVikas Chaudhary if (is_qla8022(ha)) { 4165f4f5df23SVikas Chaudhary if (ha->nx_pcibase) 4166f4f5df23SVikas Chaudhary iounmap( 4167f4f5df23SVikas Chaudhary (struct device_reg_82xx __iomem *)ha->nx_pcibase); 4168b37ca418SVikas Chaudhary } else if (is_qla8032(ha) || is_qla8042(ha)) { 41696e7b4292SVikas Chaudhary if (ha->nx_pcibase) 41706e7b4292SVikas Chaudhary iounmap( 41716e7b4292SVikas Chaudhary (struct device_reg_83xx __iomem *)ha->nx_pcibase); 41726e7b4292SVikas Chaudhary } else if (ha->reg) { 4173afaf5a2dSDavid Somayajulu iounmap(ha->reg); 41746e7b4292SVikas Chaudhary } 41756e7b4292SVikas Chaudhary 41766e7b4292SVikas Chaudhary if (ha->reset_tmplt.buff) 41776e7b4292SVikas Chaudhary vfree(ha->reset_tmplt.buff); 41786e7b4292SVikas Chaudhary 4179afaf5a2dSDavid Somayajulu pci_release_regions(ha->pdev); 4180afaf5a2dSDavid Somayajulu } 4181afaf5a2dSDavid Somayajulu 4182afaf5a2dSDavid Somayajulu /** 4183afaf5a2dSDavid Somayajulu * qla4xxx_mem_alloc - allocates memory for use by adapter. 4184afaf5a2dSDavid Somayajulu * @ha: Pointer to host adapter structure 4185afaf5a2dSDavid Somayajulu * 4186afaf5a2dSDavid Somayajulu * Allocates DMA memory for request and response queues. Also allocates memory 4187afaf5a2dSDavid Somayajulu * for srbs. 4188afaf5a2dSDavid Somayajulu **/ 4189afaf5a2dSDavid Somayajulu static int qla4xxx_mem_alloc(struct scsi_qla_host *ha) 4190afaf5a2dSDavid Somayajulu { 4191afaf5a2dSDavid Somayajulu unsigned long align; 4192afaf5a2dSDavid Somayajulu 4193afaf5a2dSDavid Somayajulu /* Allocate contiguous block of DMA memory for queues. */ 4194afaf5a2dSDavid Somayajulu ha->queues_len = ((REQUEST_QUEUE_DEPTH * QUEUE_SIZE) + 4195afaf5a2dSDavid Somayajulu (RESPONSE_QUEUE_DEPTH * QUEUE_SIZE) + 4196afaf5a2dSDavid Somayajulu sizeof(struct shadow_regs) + 4197afaf5a2dSDavid Somayajulu MEM_ALIGN_VALUE + 4198afaf5a2dSDavid Somayajulu (PAGE_SIZE - 1)) & ~(PAGE_SIZE - 1); 4199afaf5a2dSDavid Somayajulu ha->queues = dma_alloc_coherent(&ha->pdev->dev, ha->queues_len, 4200afaf5a2dSDavid Somayajulu &ha->queues_dma, GFP_KERNEL); 4201afaf5a2dSDavid Somayajulu if (ha->queues == NULL) { 4202c2660df3SVikas Chaudhary ql4_printk(KERN_WARNING, ha, 4203afaf5a2dSDavid Somayajulu "Memory Allocation failed - queues.\n"); 4204afaf5a2dSDavid Somayajulu 4205afaf5a2dSDavid Somayajulu goto mem_alloc_error_exit; 4206afaf5a2dSDavid Somayajulu } 4207afaf5a2dSDavid Somayajulu memset(ha->queues, 0, ha->queues_len); 4208afaf5a2dSDavid Somayajulu 4209afaf5a2dSDavid Somayajulu /* 4210afaf5a2dSDavid Somayajulu * As per RISC alignment requirements -- the bus-address must be a 4211afaf5a2dSDavid Somayajulu * multiple of the request-ring size (in bytes). 4212afaf5a2dSDavid Somayajulu */ 4213afaf5a2dSDavid Somayajulu align = 0; 4214afaf5a2dSDavid Somayajulu if ((unsigned long)ha->queues_dma & (MEM_ALIGN_VALUE - 1)) 4215afaf5a2dSDavid Somayajulu align = MEM_ALIGN_VALUE - ((unsigned long)ha->queues_dma & 4216afaf5a2dSDavid Somayajulu (MEM_ALIGN_VALUE - 1)); 4217afaf5a2dSDavid Somayajulu 4218afaf5a2dSDavid Somayajulu /* Update request and response queue pointers. */ 4219afaf5a2dSDavid Somayajulu ha->request_dma = ha->queues_dma + align; 4220afaf5a2dSDavid Somayajulu ha->request_ring = (struct queue_entry *) (ha->queues + align); 4221afaf5a2dSDavid Somayajulu ha->response_dma = ha->queues_dma + align + 4222afaf5a2dSDavid Somayajulu (REQUEST_QUEUE_DEPTH * QUEUE_SIZE); 4223afaf5a2dSDavid Somayajulu ha->response_ring = (struct queue_entry *) (ha->queues + align + 4224afaf5a2dSDavid Somayajulu (REQUEST_QUEUE_DEPTH * 4225afaf5a2dSDavid Somayajulu QUEUE_SIZE)); 4226afaf5a2dSDavid Somayajulu ha->shadow_regs_dma = ha->queues_dma + align + 4227afaf5a2dSDavid Somayajulu (REQUEST_QUEUE_DEPTH * QUEUE_SIZE) + 4228afaf5a2dSDavid Somayajulu (RESPONSE_QUEUE_DEPTH * QUEUE_SIZE); 4229afaf5a2dSDavid Somayajulu ha->shadow_regs = (struct shadow_regs *) (ha->queues + align + 4230afaf5a2dSDavid Somayajulu (REQUEST_QUEUE_DEPTH * 4231afaf5a2dSDavid Somayajulu QUEUE_SIZE) + 4232afaf5a2dSDavid Somayajulu (RESPONSE_QUEUE_DEPTH * 4233afaf5a2dSDavid Somayajulu QUEUE_SIZE)); 4234afaf5a2dSDavid Somayajulu 4235afaf5a2dSDavid Somayajulu /* Allocate memory for srb pool. */ 4236afaf5a2dSDavid Somayajulu ha->srb_mempool = mempool_create(SRB_MIN_REQ, mempool_alloc_slab, 4237afaf5a2dSDavid Somayajulu mempool_free_slab, srb_cachep); 4238afaf5a2dSDavid Somayajulu if (ha->srb_mempool == NULL) { 4239c2660df3SVikas Chaudhary ql4_printk(KERN_WARNING, ha, 4240afaf5a2dSDavid Somayajulu "Memory Allocation failed - SRB Pool.\n"); 4241afaf5a2dSDavid Somayajulu 4242afaf5a2dSDavid Somayajulu goto mem_alloc_error_exit; 4243afaf5a2dSDavid Somayajulu } 4244afaf5a2dSDavid Somayajulu 4245b3a271a9SManish Rangankar ha->chap_dma_pool = dma_pool_create("ql4_chap", &ha->pdev->dev, 4246b3a271a9SManish Rangankar CHAP_DMA_BLOCK_SIZE, 8, 0); 4247b3a271a9SManish Rangankar 4248b3a271a9SManish Rangankar if (ha->chap_dma_pool == NULL) { 4249b3a271a9SManish Rangankar ql4_printk(KERN_WARNING, ha, 4250b3a271a9SManish Rangankar "%s: chap_dma_pool allocation failed..\n", __func__); 4251b3a271a9SManish Rangankar goto mem_alloc_error_exit; 4252b3a271a9SManish Rangankar } 4253b3a271a9SManish Rangankar 425413483730SMike Christie ha->fw_ddb_dma_pool = dma_pool_create("ql4_fw_ddb", &ha->pdev->dev, 425513483730SMike Christie DDB_DMA_BLOCK_SIZE, 8, 0); 425613483730SMike Christie 425713483730SMike Christie if (ha->fw_ddb_dma_pool == NULL) { 425813483730SMike Christie ql4_printk(KERN_WARNING, ha, 425913483730SMike Christie "%s: fw_ddb_dma_pool allocation failed..\n", 426013483730SMike Christie __func__); 426113483730SMike Christie goto mem_alloc_error_exit; 426213483730SMike Christie } 426313483730SMike Christie 4264afaf5a2dSDavid Somayajulu return QLA_SUCCESS; 4265afaf5a2dSDavid Somayajulu 4266afaf5a2dSDavid Somayajulu mem_alloc_error_exit: 4267afaf5a2dSDavid Somayajulu qla4xxx_mem_free(ha); 4268afaf5a2dSDavid Somayajulu return QLA_ERROR; 4269afaf5a2dSDavid Somayajulu } 4270afaf5a2dSDavid Somayajulu 4271afaf5a2dSDavid Somayajulu /** 42724f77083eSMike Hernandez * qla4_8xxx_check_temp - Check the ISP82XX temperature. 42734f77083eSMike Hernandez * @ha: adapter block pointer. 42744f77083eSMike Hernandez * 42754f77083eSMike Hernandez * Note: The caller should not hold the idc lock. 42764f77083eSMike Hernandez **/ 42774f77083eSMike Hernandez static int qla4_8xxx_check_temp(struct scsi_qla_host *ha) 42784f77083eSMike Hernandez { 42794f77083eSMike Hernandez uint32_t temp, temp_state, temp_val; 42804f77083eSMike Hernandez int status = QLA_SUCCESS; 42814f77083eSMike Hernandez 428233693c7aSVikas Chaudhary temp = qla4_8xxx_rd_direct(ha, QLA8XXX_CRB_TEMP_STATE); 42834f77083eSMike Hernandez 42844f77083eSMike Hernandez temp_state = qla82xx_get_temp_state(temp); 42854f77083eSMike Hernandez temp_val = qla82xx_get_temp_val(temp); 42864f77083eSMike Hernandez 42874f77083eSMike Hernandez if (temp_state == QLA82XX_TEMP_PANIC) { 42884f77083eSMike Hernandez ql4_printk(KERN_WARNING, ha, "Device temperature %d degrees C" 42894f77083eSMike Hernandez " exceeds maximum allowed. Hardware has been shut" 42904f77083eSMike Hernandez " down.\n", temp_val); 42914f77083eSMike Hernandez status = QLA_ERROR; 42924f77083eSMike Hernandez } else if (temp_state == QLA82XX_TEMP_WARN) { 42934f77083eSMike Hernandez if (ha->temperature == QLA82XX_TEMP_NORMAL) 42944f77083eSMike Hernandez ql4_printk(KERN_WARNING, ha, "Device temperature %d" 42954f77083eSMike Hernandez " degrees C exceeds operating range." 42964f77083eSMike Hernandez " Immediate action needed.\n", temp_val); 42974f77083eSMike Hernandez } else { 42984f77083eSMike Hernandez if (ha->temperature == QLA82XX_TEMP_WARN) 42994f77083eSMike Hernandez ql4_printk(KERN_INFO, ha, "Device temperature is" 43004f77083eSMike Hernandez " now %d degrees C in normal range.\n", 43014f77083eSMike Hernandez temp_val); 43024f77083eSMike Hernandez } 43034f77083eSMike Hernandez ha->temperature = temp_state; 43044f77083eSMike Hernandez return status; 43054f77083eSMike Hernandez } 43064f77083eSMike Hernandez 43074f77083eSMike Hernandez /** 4308f4f5df23SVikas Chaudhary * qla4_8xxx_check_fw_alive - Check firmware health 4309f4f5df23SVikas Chaudhary * @ha: Pointer to host adapter structure. 4310f4f5df23SVikas Chaudhary * 4311f4f5df23SVikas Chaudhary * Context: Interrupt 4312f4f5df23SVikas Chaudhary **/ 43139ee91a38SShyam Sunder static int qla4_8xxx_check_fw_alive(struct scsi_qla_host *ha) 4314f4f5df23SVikas Chaudhary { 43159ee91a38SShyam Sunder uint32_t fw_heartbeat_counter; 43169ee91a38SShyam Sunder int status = QLA_SUCCESS; 4317f4f5df23SVikas Chaudhary 431833693c7aSVikas Chaudhary fw_heartbeat_counter = qla4_8xxx_rd_direct(ha, 431933693c7aSVikas Chaudhary QLA8XXX_PEG_ALIVE_COUNTER); 43202232be0dSLalit Chandivade /* If PEG_ALIVE_COUNTER is 0xffffffff, AER/EEH is in progress, ignore */ 43212232be0dSLalit Chandivade if (fw_heartbeat_counter == 0xffffffff) { 43222232be0dSLalit Chandivade DEBUG2(printk(KERN_WARNING "scsi%ld: %s: Device in frozen " 43232232be0dSLalit Chandivade "state, QLA82XX_PEG_ALIVE_COUNTER is 0xffffffff\n", 43242232be0dSLalit Chandivade ha->host_no, __func__)); 43259ee91a38SShyam Sunder return status; 43262232be0dSLalit Chandivade } 4327f4f5df23SVikas Chaudhary 4328f4f5df23SVikas Chaudhary if (ha->fw_heartbeat_counter == fw_heartbeat_counter) { 4329f4f5df23SVikas Chaudhary ha->seconds_since_last_heartbeat++; 4330f4f5df23SVikas Chaudhary /* FW not alive after 2 seconds */ 4331f4f5df23SVikas Chaudhary if (ha->seconds_since_last_heartbeat == 2) { 4332f4f5df23SVikas Chaudhary ha->seconds_since_last_heartbeat = 0; 43336e7b4292SVikas Chaudhary qla4_8xxx_dump_peg_reg(ha); 43349ee91a38SShyam Sunder status = QLA_ERROR; 4335f4f5df23SVikas Chaudhary } 433699457d75SLalit Chandivade } else 433799457d75SLalit Chandivade ha->seconds_since_last_heartbeat = 0; 433899457d75SLalit Chandivade 4339f4f5df23SVikas Chaudhary ha->fw_heartbeat_counter = fw_heartbeat_counter; 43409ee91a38SShyam Sunder return status; 4341f4f5df23SVikas Chaudhary } 4342f4f5df23SVikas Chaudhary 43436e7b4292SVikas Chaudhary static void qla4_8xxx_process_fw_error(struct scsi_qla_host *ha) 43446e7b4292SVikas Chaudhary { 43456e7b4292SVikas Chaudhary uint32_t halt_status; 43466e7b4292SVikas Chaudhary int halt_status_unrecoverable = 0; 43476e7b4292SVikas Chaudhary 43486e7b4292SVikas Chaudhary halt_status = qla4_8xxx_rd_direct(ha, QLA8XXX_PEG_HALT_STATUS1); 43496e7b4292SVikas Chaudhary 43506e7b4292SVikas Chaudhary if (is_qla8022(ha)) { 43516e7b4292SVikas Chaudhary ql4_printk(KERN_INFO, ha, "%s: disabling pause transmit on port 0 & 1.\n", 43526e7b4292SVikas Chaudhary __func__); 43536e7b4292SVikas Chaudhary qla4_82xx_wr_32(ha, QLA82XX_CRB_NIU + 0x98, 43546e7b4292SVikas Chaudhary CRB_NIU_XG_PAUSE_CTL_P0 | 43556e7b4292SVikas Chaudhary CRB_NIU_XG_PAUSE_CTL_P1); 43566e7b4292SVikas Chaudhary 43576e7b4292SVikas Chaudhary if (QLA82XX_FWERROR_CODE(halt_status) == 0x67) 43586e7b4292SVikas Chaudhary ql4_printk(KERN_ERR, ha, "%s: Firmware aborted with error code 0x00006700. Device is being reset\n", 43596e7b4292SVikas Chaudhary __func__); 43606e7b4292SVikas Chaudhary if (halt_status & HALT_STATUS_UNRECOVERABLE) 43616e7b4292SVikas Chaudhary halt_status_unrecoverable = 1; 4362b37ca418SVikas Chaudhary } else if (is_qla8032(ha) || is_qla8042(ha)) { 43636e7b4292SVikas Chaudhary if (halt_status & QLA83XX_HALT_STATUS_FW_RESET) 43646e7b4292SVikas Chaudhary ql4_printk(KERN_ERR, ha, "%s: Firmware error detected device is being reset\n", 43656e7b4292SVikas Chaudhary __func__); 43666e7b4292SVikas Chaudhary else if (halt_status & QLA83XX_HALT_STATUS_UNRECOVERABLE) 43676e7b4292SVikas Chaudhary halt_status_unrecoverable = 1; 43686e7b4292SVikas Chaudhary } 43696e7b4292SVikas Chaudhary 43706e7b4292SVikas Chaudhary /* 43716e7b4292SVikas Chaudhary * Since we cannot change dev_state in interrupt context, 43726e7b4292SVikas Chaudhary * set appropriate DPC flag then wakeup DPC 43736e7b4292SVikas Chaudhary */ 43746e7b4292SVikas Chaudhary if (halt_status_unrecoverable) { 43756e7b4292SVikas Chaudhary set_bit(DPC_HA_UNRECOVERABLE, &ha->dpc_flags); 43766e7b4292SVikas Chaudhary } else { 43776e7b4292SVikas Chaudhary ql4_printk(KERN_INFO, ha, "%s: detect abort needed!\n", 43786e7b4292SVikas Chaudhary __func__); 43796e7b4292SVikas Chaudhary set_bit(DPC_RESET_HA, &ha->dpc_flags); 43806e7b4292SVikas Chaudhary } 43816e7b4292SVikas Chaudhary qla4xxx_mailbox_premature_completion(ha); 43826e7b4292SVikas Chaudhary qla4xxx_wake_dpc(ha); 43836e7b4292SVikas Chaudhary } 43846e7b4292SVikas Chaudhary 4385f4f5df23SVikas Chaudhary /** 4386f4f5df23SVikas Chaudhary * qla4_8xxx_watchdog - Poll dev state 4387f4f5df23SVikas Chaudhary * @ha: Pointer to host adapter structure. 4388f4f5df23SVikas Chaudhary * 4389f4f5df23SVikas Chaudhary * Context: Interrupt 4390f4f5df23SVikas Chaudhary **/ 4391f4f5df23SVikas Chaudhary void qla4_8xxx_watchdog(struct scsi_qla_host *ha) 4392f4f5df23SVikas Chaudhary { 43936e7b4292SVikas Chaudhary uint32_t dev_state; 43946cf94121SVikas Chaudhary uint32_t idc_ctrl; 4395f4f5df23SVikas Chaudhary 4396a083e8bcSVikas Chaudhary if (is_qla8032(ha) && 4397a083e8bcSVikas Chaudhary (qla4_83xx_is_detached(ha) == QLA_SUCCESS)) 4398a083e8bcSVikas Chaudhary WARN_ONCE(1, "%s: iSCSI function %d marked invisible\n", 4399a083e8bcSVikas Chaudhary __func__, ha->func_num); 4400a083e8bcSVikas Chaudhary 4401f4f5df23SVikas Chaudhary /* don't poll if reset is going on */ 4402d56a1f7bSLalit Chandivade if (!(test_bit(DPC_RESET_ACTIVE, &ha->dpc_flags) || 4403d56a1f7bSLalit Chandivade test_bit(DPC_RESET_HA, &ha->dpc_flags) || 4404977f46a4SVikas Chaudhary test_bit(DPC_RETRY_RESET_HA, &ha->dpc_flags))) { 440533693c7aSVikas Chaudhary dev_state = qla4_8xxx_rd_direct(ha, QLA8XXX_CRB_DEV_STATE); 44064f77083eSMike Hernandez 44074f77083eSMike Hernandez if (qla4_8xxx_check_temp(ha)) { 44086e7b4292SVikas Chaudhary if (is_qla8022(ha)) { 44096e7b4292SVikas Chaudhary ql4_printk(KERN_INFO, ha, "disabling pause transmit on port 0 & 1.\n"); 4410f8086f4fSVikas Chaudhary qla4_82xx_wr_32(ha, QLA82XX_CRB_NIU + 0x98, 4411e6bd0ebdSGiridhar Malavali CRB_NIU_XG_PAUSE_CTL_P0 | 4412e6bd0ebdSGiridhar Malavali CRB_NIU_XG_PAUSE_CTL_P1); 44136e7b4292SVikas Chaudhary } 44144f77083eSMike Hernandez set_bit(DPC_HA_UNRECOVERABLE, &ha->dpc_flags); 44154f77083eSMike Hernandez qla4xxx_wake_dpc(ha); 4416de8c72daSVikas Chaudhary } else if (dev_state == QLA8XXX_DEV_NEED_RESET && 4417f4f5df23SVikas Chaudhary !test_bit(DPC_RESET_HA, &ha->dpc_flags)) { 44186cf94121SVikas Chaudhary 44196cf94121SVikas Chaudhary ql4_printk(KERN_INFO, ha, "%s: HW State: NEED RESET!\n", 44206cf94121SVikas Chaudhary __func__); 44216cf94121SVikas Chaudhary 4422b37ca418SVikas Chaudhary if (is_qla8032(ha) || is_qla8042(ha)) { 44236cf94121SVikas Chaudhary idc_ctrl = qla4_83xx_rd_reg(ha, 44246cf94121SVikas Chaudhary QLA83XX_IDC_DRV_CTRL); 44256cf94121SVikas Chaudhary if (!(idc_ctrl & GRACEFUL_RESET_BIT1)) { 44266cf94121SVikas Chaudhary ql4_printk(KERN_INFO, ha, "%s: Graceful reset bit is not set\n", 44276cf94121SVikas Chaudhary __func__); 44286cf94121SVikas Chaudhary qla4xxx_mailbox_premature_completion( 44296cf94121SVikas Chaudhary ha); 44306cf94121SVikas Chaudhary } 44316cf94121SVikas Chaudhary } 44326cf94121SVikas Chaudhary 4433b37ca418SVikas Chaudhary if ((is_qla8032(ha) || is_qla8042(ha)) || 44346e7b4292SVikas Chaudhary (is_qla8022(ha) && !ql4xdontresethba)) { 4435f4f5df23SVikas Chaudhary set_bit(DPC_RESET_HA, &ha->dpc_flags); 4436f4f5df23SVikas Chaudhary qla4xxx_wake_dpc(ha); 44373930b8c1SVikas Chaudhary } 4438de8c72daSVikas Chaudhary } else if (dev_state == QLA8XXX_DEV_NEED_QUIESCENT && 4439f4f5df23SVikas Chaudhary !test_bit(DPC_HA_NEED_QUIESCENT, &ha->dpc_flags)) { 44403930b8c1SVikas Chaudhary ql4_printk(KERN_INFO, ha, "%s: HW State: NEED QUIES!\n", 44413930b8c1SVikas Chaudhary __func__); 4442f4f5df23SVikas Chaudhary set_bit(DPC_HA_NEED_QUIESCENT, &ha->dpc_flags); 4443f4f5df23SVikas Chaudhary qla4xxx_wake_dpc(ha); 4444f4f5df23SVikas Chaudhary } else { 4445f4f5df23SVikas Chaudhary /* Check firmware health */ 44466e7b4292SVikas Chaudhary if (qla4_8xxx_check_fw_alive(ha)) 44476e7b4292SVikas Chaudhary qla4_8xxx_process_fw_error(ha); 4448f4f5df23SVikas Chaudhary } 4449f4f5df23SVikas Chaudhary } 4450f4f5df23SVikas Chaudhary } 4451f4f5df23SVikas Chaudhary 44524a4bc2e9SLalit Chandivade static void qla4xxx_check_relogin_flash_ddb(struct iscsi_cls_session *cls_sess) 445313483730SMike Christie { 445413483730SMike Christie struct iscsi_session *sess; 445513483730SMike Christie struct ddb_entry *ddb_entry; 445613483730SMike Christie struct scsi_qla_host *ha; 445713483730SMike Christie 445813483730SMike Christie sess = cls_sess->dd_data; 445913483730SMike Christie ddb_entry = sess->dd_data; 446013483730SMike Christie ha = ddb_entry->ha; 446113483730SMike Christie 446213483730SMike Christie if (!(ddb_entry->ddb_type == FLASH_DDB)) 446313483730SMike Christie return; 446413483730SMike Christie 446513483730SMike Christie if (adapter_up(ha) && !test_bit(DF_RELOGIN, &ddb_entry->flags) && 446613483730SMike Christie !iscsi_is_session_online(cls_sess)) { 446713483730SMike Christie if (atomic_read(&ddb_entry->retry_relogin_timer) != 446813483730SMike Christie INVALID_ENTRY) { 446913483730SMike Christie if (atomic_read(&ddb_entry->retry_relogin_timer) == 447013483730SMike Christie 0) { 447113483730SMike Christie atomic_set(&ddb_entry->retry_relogin_timer, 447213483730SMike Christie INVALID_ENTRY); 447313483730SMike Christie set_bit(DPC_RELOGIN_DEVICE, &ha->dpc_flags); 447413483730SMike Christie set_bit(DF_RELOGIN, &ddb_entry->flags); 447513483730SMike Christie DEBUG2(ql4_printk(KERN_INFO, ha, 447613483730SMike Christie "%s: index [%d] login device\n", 447713483730SMike Christie __func__, ddb_entry->fw_ddb_index)); 447813483730SMike Christie } else 447913483730SMike Christie atomic_dec(&ddb_entry->retry_relogin_timer); 448013483730SMike Christie } 448113483730SMike Christie } 448213483730SMike Christie 448313483730SMike Christie /* Wait for relogin to timeout */ 448413483730SMike Christie if (atomic_read(&ddb_entry->relogin_timer) && 448513483730SMike Christie (atomic_dec_and_test(&ddb_entry->relogin_timer) != 0)) { 448613483730SMike Christie /* 448713483730SMike Christie * If the relogin times out and the device is 448813483730SMike Christie * still NOT ONLINE then try and relogin again. 448913483730SMike Christie */ 449013483730SMike Christie if (!iscsi_is_session_online(cls_sess)) { 449113483730SMike Christie /* Reset retry relogin timer */ 449213483730SMike Christie atomic_inc(&ddb_entry->relogin_retry_count); 449313483730SMike Christie DEBUG2(ql4_printk(KERN_INFO, ha, 449413483730SMike Christie "%s: index[%d] relogin timed out-retrying" 449513483730SMike Christie " relogin (%d), retry (%d)\n", __func__, 449613483730SMike Christie ddb_entry->fw_ddb_index, 449713483730SMike Christie atomic_read(&ddb_entry->relogin_retry_count), 449813483730SMike Christie ddb_entry->default_time2wait + 4)); 449913483730SMike Christie set_bit(DPC_RELOGIN_DEVICE, &ha->dpc_flags); 450013483730SMike Christie atomic_set(&ddb_entry->retry_relogin_timer, 450113483730SMike Christie ddb_entry->default_time2wait + 4); 450213483730SMike Christie } 450313483730SMike Christie } 450413483730SMike Christie } 450513483730SMike Christie 4506f4f5df23SVikas Chaudhary /** 4507afaf5a2dSDavid Somayajulu * qla4xxx_timer - checks every second for work to do. 4508afaf5a2dSDavid Somayajulu * @ha: Pointer to host adapter structure. 4509afaf5a2dSDavid Somayajulu **/ 4510d744644aSKees Cook static void qla4xxx_timer(struct timer_list *t) 4511afaf5a2dSDavid Somayajulu { 4512d744644aSKees Cook struct scsi_qla_host *ha = from_timer(ha, t, timer); 4513afaf5a2dSDavid Somayajulu int start_dpc = 0; 45142232be0dSLalit Chandivade uint16_t w; 45152232be0dSLalit Chandivade 451613483730SMike Christie iscsi_host_for_each_session(ha->host, qla4xxx_check_relogin_flash_ddb); 451713483730SMike Christie 45182232be0dSLalit Chandivade /* If we are in the middle of AER/EEH processing 45192232be0dSLalit Chandivade * skip any processing and reschedule the timer 45202232be0dSLalit Chandivade */ 45212232be0dSLalit Chandivade if (test_bit(AF_EEH_BUSY, &ha->flags)) { 45222232be0dSLalit Chandivade mod_timer(&ha->timer, jiffies + HZ); 45232232be0dSLalit Chandivade return; 45242232be0dSLalit Chandivade } 45252232be0dSLalit Chandivade 45262232be0dSLalit Chandivade /* Hardware read to trigger an EEH error during mailbox waits. */ 45272232be0dSLalit Chandivade if (!pci_channel_offline(ha->pdev)) 45282232be0dSLalit Chandivade pci_read_config_word(ha->pdev, PCI_VENDOR_ID, &w); 4529afaf5a2dSDavid Somayajulu 45306e7b4292SVikas Chaudhary if (is_qla80XX(ha)) 4531f4f5df23SVikas Chaudhary qla4_8xxx_watchdog(ha); 4532f4f5df23SVikas Chaudhary 4533ee996a69SVikas Chaudhary if (is_qla40XX(ha)) { 4534afaf5a2dSDavid Somayajulu /* Check for heartbeat interval. */ 4535afaf5a2dSDavid Somayajulu if (ha->firmware_options & FWOPT_HEARTBEAT_ENABLE && 4536afaf5a2dSDavid Somayajulu ha->heartbeat_interval != 0) { 4537afaf5a2dSDavid Somayajulu ha->seconds_since_last_heartbeat++; 4538afaf5a2dSDavid Somayajulu if (ha->seconds_since_last_heartbeat > 4539afaf5a2dSDavid Somayajulu ha->heartbeat_interval + 2) 4540afaf5a2dSDavid Somayajulu set_bit(DPC_RESET_HA, &ha->dpc_flags); 4541afaf5a2dSDavid Somayajulu } 4542f4f5df23SVikas Chaudhary } 4543afaf5a2dSDavid Somayajulu 4544ff884430SVikas Chaudhary /* Process any deferred work. */ 4545ff884430SVikas Chaudhary if (!list_empty(&ha->work_list)) 4546ff884430SVikas Chaudhary start_dpc++; 4547ff884430SVikas Chaudhary 4548afaf5a2dSDavid Somayajulu /* Wakeup the dpc routine for this adapter, if needed. */ 45491b46807eSLalit Chandivade if (start_dpc || 4550afaf5a2dSDavid Somayajulu test_bit(DPC_RESET_HA, &ha->dpc_flags) || 4551afaf5a2dSDavid Somayajulu test_bit(DPC_RETRY_RESET_HA, &ha->dpc_flags) || 4552afaf5a2dSDavid Somayajulu test_bit(DPC_RELOGIN_DEVICE, &ha->dpc_flags) || 4553f4f5df23SVikas Chaudhary test_bit(DPC_RESET_HA_FW_CONTEXT, &ha->dpc_flags) || 4554afaf5a2dSDavid Somayajulu test_bit(DPC_RESET_HA_INTR, &ha->dpc_flags) || 4555afaf5a2dSDavid Somayajulu test_bit(DPC_GET_DHCP_IP_ADDR, &ha->dpc_flags) || 4556065aa1b4SVikas Chaudhary test_bit(DPC_LINK_CHANGED, &ha->dpc_flags) || 4557f4f5df23SVikas Chaudhary test_bit(DPC_HA_UNRECOVERABLE, &ha->dpc_flags) || 4558f4f5df23SVikas Chaudhary test_bit(DPC_HA_NEED_QUIESCENT, &ha->dpc_flags) || 4559906cbf3dSNilesh Javali test_bit(DPC_SYSFS_DDB_EXPORT, &ha->dpc_flags) || 45601b46807eSLalit Chandivade test_bit(DPC_AEN, &ha->dpc_flags)) { 4561afaf5a2dSDavid Somayajulu DEBUG2(printk("scsi%ld: %s: scheduling dpc routine" 4562afaf5a2dSDavid Somayajulu " - dpc flags = 0x%lx\n", 4563afaf5a2dSDavid Somayajulu ha->host_no, __func__, ha->dpc_flags)); 4564f4f5df23SVikas Chaudhary qla4xxx_wake_dpc(ha); 4565afaf5a2dSDavid Somayajulu } 4566afaf5a2dSDavid Somayajulu 4567afaf5a2dSDavid Somayajulu /* Reschedule timer thread to call us back in one second */ 4568afaf5a2dSDavid Somayajulu mod_timer(&ha->timer, jiffies + HZ); 4569afaf5a2dSDavid Somayajulu 4570afaf5a2dSDavid Somayajulu DEBUG2(ha->seconds_since_last_intr++); 4571afaf5a2dSDavid Somayajulu } 4572afaf5a2dSDavid Somayajulu 4573afaf5a2dSDavid Somayajulu /** 4574afaf5a2dSDavid Somayajulu * qla4xxx_cmd_wait - waits for all outstanding commands to complete 4575afaf5a2dSDavid Somayajulu * @ha: Pointer to host adapter structure. 4576afaf5a2dSDavid Somayajulu * 4577afaf5a2dSDavid Somayajulu * This routine stalls the driver until all outstanding commands are returned. 4578afaf5a2dSDavid Somayajulu * Caller must release the Hardware Lock prior to calling this routine. 4579afaf5a2dSDavid Somayajulu **/ 4580afaf5a2dSDavid Somayajulu static int qla4xxx_cmd_wait(struct scsi_qla_host *ha) 4581afaf5a2dSDavid Somayajulu { 4582afaf5a2dSDavid Somayajulu uint32_t index = 0; 4583afaf5a2dSDavid Somayajulu unsigned long flags; 4584afaf5a2dSDavid Somayajulu struct scsi_cmnd *cmd; 458561d9a2b6STej Parkash unsigned long wtime; 458661d9a2b6STej Parkash uint32_t wtmo; 4587afaf5a2dSDavid Somayajulu 458861d9a2b6STej Parkash if (is_qla40XX(ha)) 458961d9a2b6STej Parkash wtmo = WAIT_CMD_TOV; 459061d9a2b6STej Parkash else 459161d9a2b6STej Parkash wtmo = ha->nx_reset_timeout / 2; 4592f4f5df23SVikas Chaudhary 459361d9a2b6STej Parkash wtime = jiffies + (wtmo * HZ); 459461d9a2b6STej Parkash 459561d9a2b6STej Parkash DEBUG2(ql4_printk(KERN_INFO, ha, 459661d9a2b6STej Parkash "Wait up to %u seconds for cmds to complete\n", 459761d9a2b6STej Parkash wtmo)); 4598f4f5df23SVikas Chaudhary 4599f4f5df23SVikas Chaudhary while (!time_after_eq(jiffies, wtime)) { 4600afaf5a2dSDavid Somayajulu spin_lock_irqsave(&ha->hardware_lock, flags); 4601afaf5a2dSDavid Somayajulu /* Find a command that hasn't completed. */ 4602afaf5a2dSDavid Somayajulu for (index = 0; index < ha->host->can_queue; index++) { 4603afaf5a2dSDavid Somayajulu cmd = scsi_host_find_tag(ha->host, index); 4604a1e0063dSMike Christie /* 4605a1e0063dSMike Christie * We cannot just check if the index is valid, 4606a1e0063dSMike Christie * becase if we are run from the scsi eh, then 4607a1e0063dSMike Christie * the scsi/block layer is going to prevent 4608a1e0063dSMike Christie * the tag from being released. 4609a1e0063dSMike Christie */ 4610a1e0063dSMike Christie if (cmd != NULL && CMD_SP(cmd)) 4611afaf5a2dSDavid Somayajulu break; 4612afaf5a2dSDavid Somayajulu } 4613afaf5a2dSDavid Somayajulu spin_unlock_irqrestore(&ha->hardware_lock, flags); 4614afaf5a2dSDavid Somayajulu 4615afaf5a2dSDavid Somayajulu /* If No Commands are pending, wait is complete */ 4616f4f5df23SVikas Chaudhary if (index == ha->host->can_queue) 4617f4f5df23SVikas Chaudhary return QLA_SUCCESS; 4618afaf5a2dSDavid Somayajulu 4619afaf5a2dSDavid Somayajulu msleep(1000); 4620afaf5a2dSDavid Somayajulu } 4621f4f5df23SVikas Chaudhary /* If we timed out on waiting for commands to come back 4622f4f5df23SVikas Chaudhary * return ERROR. */ 4623f4f5df23SVikas Chaudhary return QLA_ERROR; 4624afaf5a2dSDavid Somayajulu } 4625afaf5a2dSDavid Somayajulu 4626f4f5df23SVikas Chaudhary int qla4xxx_hw_reset(struct scsi_qla_host *ha) 4627afaf5a2dSDavid Somayajulu { 4628afaf5a2dSDavid Somayajulu uint32_t ctrl_status; 4629477ffb9dSDavid C Somayajulu unsigned long flags = 0; 4630477ffb9dSDavid C Somayajulu 4631477ffb9dSDavid C Somayajulu DEBUG2(printk(KERN_ERR "scsi%ld: %s\n", ha->host_no, __func__)); 4632afaf5a2dSDavid Somayajulu 4633f4f5df23SVikas Chaudhary if (ql4xxx_lock_drvr_wait(ha) != QLA_SUCCESS) 4634f4f5df23SVikas Chaudhary return QLA_ERROR; 4635f4f5df23SVikas Chaudhary 4636afaf5a2dSDavid Somayajulu spin_lock_irqsave(&ha->hardware_lock, flags); 4637afaf5a2dSDavid Somayajulu 4638afaf5a2dSDavid Somayajulu /* 4639afaf5a2dSDavid Somayajulu * If the SCSI Reset Interrupt bit is set, clear it. 4640afaf5a2dSDavid Somayajulu * Otherwise, the Soft Reset won't work. 4641afaf5a2dSDavid Somayajulu */ 4642afaf5a2dSDavid Somayajulu ctrl_status = readw(&ha->reg->ctrl_status); 4643afaf5a2dSDavid Somayajulu if ((ctrl_status & CSR_SCSI_RESET_INTR) != 0) 4644afaf5a2dSDavid Somayajulu writel(set_rmask(CSR_SCSI_RESET_INTR), &ha->reg->ctrl_status); 4645afaf5a2dSDavid Somayajulu 4646afaf5a2dSDavid Somayajulu /* Issue Soft Reset */ 4647afaf5a2dSDavid Somayajulu writel(set_rmask(CSR_SOFT_RESET), &ha->reg->ctrl_status); 4648afaf5a2dSDavid Somayajulu readl(&ha->reg->ctrl_status); 4649afaf5a2dSDavid Somayajulu 4650afaf5a2dSDavid Somayajulu spin_unlock_irqrestore(&ha->hardware_lock, flags); 4651f4f5df23SVikas Chaudhary return QLA_SUCCESS; 4652477ffb9dSDavid C Somayajulu } 4653477ffb9dSDavid C Somayajulu 4654477ffb9dSDavid C Somayajulu /** 4655477ffb9dSDavid C Somayajulu * qla4xxx_soft_reset - performs soft reset. 4656477ffb9dSDavid C Somayajulu * @ha: Pointer to host adapter structure. 4657477ffb9dSDavid C Somayajulu **/ 4658477ffb9dSDavid C Somayajulu int qla4xxx_soft_reset(struct scsi_qla_host *ha) 4659477ffb9dSDavid C Somayajulu { 4660477ffb9dSDavid C Somayajulu uint32_t max_wait_time; 4661477ffb9dSDavid C Somayajulu unsigned long flags = 0; 4662f931c534SVikas Chaudhary int status; 4663477ffb9dSDavid C Somayajulu uint32_t ctrl_status; 4664477ffb9dSDavid C Somayajulu 4665f931c534SVikas Chaudhary status = qla4xxx_hw_reset(ha); 4666f931c534SVikas Chaudhary if (status != QLA_SUCCESS) 4667f931c534SVikas Chaudhary return status; 4668afaf5a2dSDavid Somayajulu 4669f931c534SVikas Chaudhary status = QLA_ERROR; 4670afaf5a2dSDavid Somayajulu /* Wait until the Network Reset Intr bit is cleared */ 4671afaf5a2dSDavid Somayajulu max_wait_time = RESET_INTR_TOV; 4672afaf5a2dSDavid Somayajulu do { 4673afaf5a2dSDavid Somayajulu spin_lock_irqsave(&ha->hardware_lock, flags); 4674afaf5a2dSDavid Somayajulu ctrl_status = readw(&ha->reg->ctrl_status); 4675afaf5a2dSDavid Somayajulu spin_unlock_irqrestore(&ha->hardware_lock, flags); 4676afaf5a2dSDavid Somayajulu 4677afaf5a2dSDavid Somayajulu if ((ctrl_status & CSR_NET_RESET_INTR) == 0) 4678afaf5a2dSDavid Somayajulu break; 4679afaf5a2dSDavid Somayajulu 4680afaf5a2dSDavid Somayajulu msleep(1000); 4681afaf5a2dSDavid Somayajulu } while ((--max_wait_time)); 4682afaf5a2dSDavid Somayajulu 4683afaf5a2dSDavid Somayajulu if ((ctrl_status & CSR_NET_RESET_INTR) != 0) { 4684afaf5a2dSDavid Somayajulu DEBUG2(printk(KERN_WARNING 4685afaf5a2dSDavid Somayajulu "scsi%ld: Network Reset Intr not cleared by " 4686afaf5a2dSDavid Somayajulu "Network function, clearing it now!\n", 4687afaf5a2dSDavid Somayajulu ha->host_no)); 4688afaf5a2dSDavid Somayajulu spin_lock_irqsave(&ha->hardware_lock, flags); 4689afaf5a2dSDavid Somayajulu writel(set_rmask(CSR_NET_RESET_INTR), &ha->reg->ctrl_status); 4690afaf5a2dSDavid Somayajulu readl(&ha->reg->ctrl_status); 4691afaf5a2dSDavid Somayajulu spin_unlock_irqrestore(&ha->hardware_lock, flags); 4692afaf5a2dSDavid Somayajulu } 4693afaf5a2dSDavid Somayajulu 4694afaf5a2dSDavid Somayajulu /* Wait until the firmware tells us the Soft Reset is done */ 4695afaf5a2dSDavid Somayajulu max_wait_time = SOFT_RESET_TOV; 4696afaf5a2dSDavid Somayajulu do { 4697afaf5a2dSDavid Somayajulu spin_lock_irqsave(&ha->hardware_lock, flags); 4698afaf5a2dSDavid Somayajulu ctrl_status = readw(&ha->reg->ctrl_status); 4699afaf5a2dSDavid Somayajulu spin_unlock_irqrestore(&ha->hardware_lock, flags); 4700afaf5a2dSDavid Somayajulu 4701afaf5a2dSDavid Somayajulu if ((ctrl_status & CSR_SOFT_RESET) == 0) { 4702afaf5a2dSDavid Somayajulu status = QLA_SUCCESS; 4703afaf5a2dSDavid Somayajulu break; 4704afaf5a2dSDavid Somayajulu } 4705afaf5a2dSDavid Somayajulu 4706afaf5a2dSDavid Somayajulu msleep(1000); 4707afaf5a2dSDavid Somayajulu } while ((--max_wait_time)); 4708afaf5a2dSDavid Somayajulu 4709afaf5a2dSDavid Somayajulu /* 4710afaf5a2dSDavid Somayajulu * Also, make sure that the SCSI Reset Interrupt bit has been cleared 4711afaf5a2dSDavid Somayajulu * after the soft reset has taken place. 4712afaf5a2dSDavid Somayajulu */ 4713afaf5a2dSDavid Somayajulu spin_lock_irqsave(&ha->hardware_lock, flags); 4714afaf5a2dSDavid Somayajulu ctrl_status = readw(&ha->reg->ctrl_status); 4715afaf5a2dSDavid Somayajulu if ((ctrl_status & CSR_SCSI_RESET_INTR) != 0) { 4716afaf5a2dSDavid Somayajulu writel(set_rmask(CSR_SCSI_RESET_INTR), &ha->reg->ctrl_status); 4717afaf5a2dSDavid Somayajulu readl(&ha->reg->ctrl_status); 4718afaf5a2dSDavid Somayajulu } 4719afaf5a2dSDavid Somayajulu spin_unlock_irqrestore(&ha->hardware_lock, flags); 4720afaf5a2dSDavid Somayajulu 4721afaf5a2dSDavid Somayajulu /* If soft reset fails then most probably the bios on other 4722afaf5a2dSDavid Somayajulu * function is also enabled. 4723afaf5a2dSDavid Somayajulu * Since the initialization is sequential the other fn 4724afaf5a2dSDavid Somayajulu * wont be able to acknowledge the soft reset. 4725afaf5a2dSDavid Somayajulu * Issue a force soft reset to workaround this scenario. 4726afaf5a2dSDavid Somayajulu */ 4727afaf5a2dSDavid Somayajulu if (max_wait_time == 0) { 4728afaf5a2dSDavid Somayajulu /* Issue Force Soft Reset */ 4729afaf5a2dSDavid Somayajulu spin_lock_irqsave(&ha->hardware_lock, flags); 4730afaf5a2dSDavid Somayajulu writel(set_rmask(CSR_FORCE_SOFT_RESET), &ha->reg->ctrl_status); 4731afaf5a2dSDavid Somayajulu readl(&ha->reg->ctrl_status); 4732afaf5a2dSDavid Somayajulu spin_unlock_irqrestore(&ha->hardware_lock, flags); 4733afaf5a2dSDavid Somayajulu /* Wait until the firmware tells us the Soft Reset is done */ 4734afaf5a2dSDavid Somayajulu max_wait_time = SOFT_RESET_TOV; 4735afaf5a2dSDavid Somayajulu do { 4736afaf5a2dSDavid Somayajulu spin_lock_irqsave(&ha->hardware_lock, flags); 4737afaf5a2dSDavid Somayajulu ctrl_status = readw(&ha->reg->ctrl_status); 4738afaf5a2dSDavid Somayajulu spin_unlock_irqrestore(&ha->hardware_lock, flags); 4739afaf5a2dSDavid Somayajulu 4740afaf5a2dSDavid Somayajulu if ((ctrl_status & CSR_FORCE_SOFT_RESET) == 0) { 4741afaf5a2dSDavid Somayajulu status = QLA_SUCCESS; 4742afaf5a2dSDavid Somayajulu break; 4743afaf5a2dSDavid Somayajulu } 4744afaf5a2dSDavid Somayajulu 4745afaf5a2dSDavid Somayajulu msleep(1000); 4746afaf5a2dSDavid Somayajulu } while ((--max_wait_time)); 4747afaf5a2dSDavid Somayajulu } 4748afaf5a2dSDavid Somayajulu 4749afaf5a2dSDavid Somayajulu return status; 4750afaf5a2dSDavid Somayajulu } 4751afaf5a2dSDavid Somayajulu 4752afaf5a2dSDavid Somayajulu /** 4753f4f5df23SVikas Chaudhary * qla4xxx_abort_active_cmds - returns all outstanding i/o requests to O.S. 4754afaf5a2dSDavid Somayajulu * @ha: Pointer to host adapter structure. 4755f4f5df23SVikas Chaudhary * @res: returned scsi status 4756afaf5a2dSDavid Somayajulu * 4757afaf5a2dSDavid Somayajulu * This routine is called just prior to a HARD RESET to return all 4758afaf5a2dSDavid Somayajulu * outstanding commands back to the Operating System. 4759afaf5a2dSDavid Somayajulu * Caller should make sure that the following locks are released 4760afaf5a2dSDavid Somayajulu * before this calling routine: Hardware lock, and io_request_lock. 4761afaf5a2dSDavid Somayajulu **/ 4762f4f5df23SVikas Chaudhary static void qla4xxx_abort_active_cmds(struct scsi_qla_host *ha, int res) 4763afaf5a2dSDavid Somayajulu { 4764afaf5a2dSDavid Somayajulu struct srb *srb; 4765afaf5a2dSDavid Somayajulu int i; 4766afaf5a2dSDavid Somayajulu unsigned long flags; 4767afaf5a2dSDavid Somayajulu 4768afaf5a2dSDavid Somayajulu spin_lock_irqsave(&ha->hardware_lock, flags); 4769afaf5a2dSDavid Somayajulu for (i = 0; i < ha->host->can_queue; i++) { 4770afaf5a2dSDavid Somayajulu srb = qla4xxx_del_from_active_array(ha, i); 4771afaf5a2dSDavid Somayajulu if (srb != NULL) { 4772f4f5df23SVikas Chaudhary srb->cmd->result = res; 477309a0f719SVikas Chaudhary kref_put(&srb->srb_ref, qla4xxx_srb_compl); 4774afaf5a2dSDavid Somayajulu } 4775afaf5a2dSDavid Somayajulu } 4776afaf5a2dSDavid Somayajulu spin_unlock_irqrestore(&ha->hardware_lock, flags); 4777afaf5a2dSDavid Somayajulu } 4778afaf5a2dSDavid Somayajulu 4779f4f5df23SVikas Chaudhary void qla4xxx_dead_adapter_cleanup(struct scsi_qla_host *ha) 4780f4f5df23SVikas Chaudhary { 4781f4f5df23SVikas Chaudhary clear_bit(AF_ONLINE, &ha->flags); 4782f4f5df23SVikas Chaudhary 4783f4f5df23SVikas Chaudhary /* Disable the board */ 4784f4f5df23SVikas Chaudhary ql4_printk(KERN_INFO, ha, "Disabling the board\n"); 4785f4f5df23SVikas Chaudhary 4786f4f5df23SVikas Chaudhary qla4xxx_abort_active_cmds(ha, DID_NO_CONNECT << 16); 4787f4f5df23SVikas Chaudhary qla4xxx_mark_all_devices_missing(ha); 4788f4f5df23SVikas Chaudhary clear_bit(AF_INIT_DONE, &ha->flags); 4789f4f5df23SVikas Chaudhary } 4790f4f5df23SVikas Chaudhary 4791b3a271a9SManish Rangankar static void qla4xxx_fail_session(struct iscsi_cls_session *cls_session) 4792b3a271a9SManish Rangankar { 4793b3a271a9SManish Rangankar struct iscsi_session *sess; 4794b3a271a9SManish Rangankar struct ddb_entry *ddb_entry; 4795b3a271a9SManish Rangankar 4796b3a271a9SManish Rangankar sess = cls_session->dd_data; 4797b3a271a9SManish Rangankar ddb_entry = sess->dd_data; 4798b3a271a9SManish Rangankar ddb_entry->fw_ddb_device_state = DDB_DS_SESSION_FAILED; 479913483730SMike Christie 480013483730SMike Christie if (ddb_entry->ddb_type == FLASH_DDB) 480113483730SMike Christie iscsi_block_session(ddb_entry->sess); 480213483730SMike Christie else 480313483730SMike Christie iscsi_session_failure(cls_session->dd_data, 480413483730SMike Christie ISCSI_ERR_CONN_FAILED); 4805b3a271a9SManish Rangankar } 4806b3a271a9SManish Rangankar 4807afaf5a2dSDavid Somayajulu /** 4808afaf5a2dSDavid Somayajulu * qla4xxx_recover_adapter - recovers adapter after a fatal error 4809afaf5a2dSDavid Somayajulu * @ha: Pointer to host adapter structure. 4810afaf5a2dSDavid Somayajulu **/ 4811f4f5df23SVikas Chaudhary static int qla4xxx_recover_adapter(struct scsi_qla_host *ha) 4812afaf5a2dSDavid Somayajulu { 4813f4f5df23SVikas Chaudhary int status = QLA_ERROR; 4814f4f5df23SVikas Chaudhary uint8_t reset_chip = 0; 48158e0f3a66SSarang Radke uint32_t dev_state; 48169ee91a38SShyam Sunder unsigned long wait; 4817afaf5a2dSDavid Somayajulu 4818afaf5a2dSDavid Somayajulu /* Stall incoming I/O until we are done */ 4819f4f5df23SVikas Chaudhary scsi_block_requests(ha->host); 4820afaf5a2dSDavid Somayajulu clear_bit(AF_ONLINE, &ha->flags); 4821b3a271a9SManish Rangankar clear_bit(AF_LINK_UP, &ha->flags); 482250a29aecSMike Christie 4823f4f5df23SVikas Chaudhary DEBUG2(ql4_printk(KERN_INFO, ha, "%s: adapter OFFLINE\n", __func__)); 4824afaf5a2dSDavid Somayajulu 4825f4f5df23SVikas Chaudhary set_bit(DPC_RESET_ACTIVE, &ha->dpc_flags); 4826afaf5a2dSDavid Somayajulu 4827b37ca418SVikas Chaudhary if ((is_qla8032(ha) || is_qla8042(ha)) && 4828546fef27STej Parkash !test_bit(DPC_RESET_HA_FW_CONTEXT, &ha->dpc_flags)) { 4829546fef27STej Parkash ql4_printk(KERN_INFO, ha, "%s: disabling pause transmit on port 0 & 1.\n", 4830546fef27STej Parkash __func__); 4831546fef27STej Parkash /* disable pause frame for ISP83xx */ 4832546fef27STej Parkash qla4_83xx_disable_pause(ha); 4833546fef27STej Parkash } 4834546fef27STej Parkash 4835b3a271a9SManish Rangankar iscsi_host_for_each_session(ha->host, qla4xxx_fail_session); 4836b3a271a9SManish Rangankar 4837f4f5df23SVikas Chaudhary if (test_bit(DPC_RESET_HA, &ha->dpc_flags)) 4838f4f5df23SVikas Chaudhary reset_chip = 1; 4839afaf5a2dSDavid Somayajulu 4840f4f5df23SVikas Chaudhary /* For the DPC_RESET_HA_INTR case (ISP-4xxx specific) 4841f4f5df23SVikas Chaudhary * do not reset adapter, jump to initialize_adapter */ 4842f4f5df23SVikas Chaudhary if (test_bit(DPC_RESET_HA_INTR, &ha->dpc_flags)) { 4843f4f5df23SVikas Chaudhary status = QLA_SUCCESS; 4844f4f5df23SVikas Chaudhary goto recover_ha_init_adapter; 4845afaf5a2dSDavid Somayajulu } 4846afaf5a2dSDavid Somayajulu 48476e7b4292SVikas Chaudhary /* For the ISP-8xxx adapter, issue a stop_firmware if invoked 4848f4f5df23SVikas Chaudhary * from eh_host_reset or ioctl module */ 48496e7b4292SVikas Chaudhary if (is_qla80XX(ha) && !reset_chip && 4850f4f5df23SVikas Chaudhary test_bit(DPC_RESET_HA_FW_CONTEXT, &ha->dpc_flags)) { 4851f4f5df23SVikas Chaudhary 4852f4f5df23SVikas Chaudhary DEBUG2(ql4_printk(KERN_INFO, ha, 4853f4f5df23SVikas Chaudhary "scsi%ld: %s - Performing stop_firmware...\n", 4854f4f5df23SVikas Chaudhary ha->host_no, __func__)); 4855f4f5df23SVikas Chaudhary status = ha->isp_ops->reset_firmware(ha); 4856f4f5df23SVikas Chaudhary if (status == QLA_SUCCESS) { 4857f4f5df23SVikas Chaudhary ha->isp_ops->disable_intrs(ha); 4858f4f5df23SVikas Chaudhary qla4xxx_process_aen(ha, FLUSH_DDB_CHANGED_AENS); 4859f4f5df23SVikas Chaudhary qla4xxx_abort_active_cmds(ha, DID_RESET << 16); 4860f4f5df23SVikas Chaudhary } else { 4861f4f5df23SVikas Chaudhary /* If the stop_firmware fails then 4862f4f5df23SVikas Chaudhary * reset the entire chip */ 4863f4f5df23SVikas Chaudhary reset_chip = 1; 4864f4f5df23SVikas Chaudhary clear_bit(DPC_RESET_HA_FW_CONTEXT, &ha->dpc_flags); 4865f4f5df23SVikas Chaudhary set_bit(DPC_RESET_HA, &ha->dpc_flags); 4866f4f5df23SVikas Chaudhary } 4867f4f5df23SVikas Chaudhary } 4868f4f5df23SVikas Chaudhary 4869f4f5df23SVikas Chaudhary /* Issue full chip reset if recovering from a catastrophic error, 48706e7b4292SVikas Chaudhary * or if stop_firmware fails for ISP-8xxx. 4871f4f5df23SVikas Chaudhary * This is the default case for ISP-4xxx */ 4872ee996a69SVikas Chaudhary if (is_qla40XX(ha) || reset_chip) { 4873ee996a69SVikas Chaudhary if (is_qla40XX(ha)) 48749ee91a38SShyam Sunder goto chip_reset; 48759ee91a38SShyam Sunder 48766e7b4292SVikas Chaudhary /* Check if 8XXX firmware is alive or not 48779ee91a38SShyam Sunder * We may have arrived here from NEED_RESET 48789ee91a38SShyam Sunder * detection only */ 48799ee91a38SShyam Sunder if (test_bit(AF_FW_RECOVERY, &ha->flags)) 48809ee91a38SShyam Sunder goto chip_reset; 48819ee91a38SShyam Sunder 48829ee91a38SShyam Sunder wait = jiffies + (FW_ALIVE_WAIT_TOV * HZ); 48839ee91a38SShyam Sunder while (time_before(jiffies, wait)) { 48849ee91a38SShyam Sunder if (qla4_8xxx_check_fw_alive(ha)) { 48859ee91a38SShyam Sunder qla4xxx_mailbox_premature_completion(ha); 48869ee91a38SShyam Sunder break; 48879ee91a38SShyam Sunder } 48889ee91a38SShyam Sunder 48899ee91a38SShyam Sunder set_current_state(TASK_UNINTERRUPTIBLE); 48909ee91a38SShyam Sunder schedule_timeout(HZ); 48919ee91a38SShyam Sunder } 4892da106212SVikas Chaudhary chip_reset: 48932bd1e2beSNilesh Javali if (!test_bit(AF_FW_RECOVERY, &ha->flags)) 4894f4f5df23SVikas Chaudhary qla4xxx_cmd_wait(ha); 4895da106212SVikas Chaudhary 4896f4f5df23SVikas Chaudhary qla4xxx_process_aen(ha, FLUSH_DDB_CHANGED_AENS); 4897f4f5df23SVikas Chaudhary DEBUG2(ql4_printk(KERN_INFO, ha, 4898f4f5df23SVikas Chaudhary "scsi%ld: %s - Performing chip reset..\n", 4899f4f5df23SVikas Chaudhary ha->host_no, __func__)); 4900f4f5df23SVikas Chaudhary status = ha->isp_ops->reset_chip(ha); 490161d9a2b6STej Parkash qla4xxx_abort_active_cmds(ha, DID_RESET << 16); 4902f4f5df23SVikas Chaudhary } 4903f4f5df23SVikas Chaudhary 4904f4f5df23SVikas Chaudhary /* Flush any pending ddb changed AENs */ 4905f4f5df23SVikas Chaudhary qla4xxx_process_aen(ha, FLUSH_DDB_CHANGED_AENS); 4906f4f5df23SVikas Chaudhary 4907f4f5df23SVikas Chaudhary recover_ha_init_adapter: 4908f4f5df23SVikas Chaudhary /* Upon successful firmware/chip reset, re-initialize the adapter */ 4909f4f5df23SVikas Chaudhary if (status == QLA_SUCCESS) { 4910f4f5df23SVikas Chaudhary /* For ISP-4xxx, force function 1 to always initialize 4911f4f5df23SVikas Chaudhary * before function 3 to prevent both funcions from 4912f4f5df23SVikas Chaudhary * stepping on top of the other */ 4913ee996a69SVikas Chaudhary if (is_qla40XX(ha) && (ha->mac_index == 3)) 4914f4f5df23SVikas Chaudhary ssleep(6); 4915f4f5df23SVikas Chaudhary 4916f4f5df23SVikas Chaudhary /* NOTE: AF_ONLINE flag set upon successful completion of 4917f4f5df23SVikas Chaudhary * qla4xxx_initialize_adapter */ 491813483730SMike Christie status = qla4xxx_initialize_adapter(ha, RESET_ADAPTER); 491937418cc6SNilesh Javali if (is_qla80XX(ha) && (status == QLA_ERROR)) { 492037418cc6SNilesh Javali status = qla4_8xxx_check_init_adapter_retry(ha); 492137418cc6SNilesh Javali if (status == QLA_ERROR) { 492237418cc6SNilesh Javali ql4_printk(KERN_INFO, ha, "scsi%ld: %s: Don't retry recover adapter\n", 492337418cc6SNilesh Javali ha->host_no, __func__); 492437418cc6SNilesh Javali qla4xxx_dead_adapter_cleanup(ha); 492537418cc6SNilesh Javali clear_bit(DPC_RETRY_RESET_HA, &ha->dpc_flags); 492637418cc6SNilesh Javali clear_bit(DPC_RESET_HA, &ha->dpc_flags); 492737418cc6SNilesh Javali clear_bit(DPC_RESET_HA_FW_CONTEXT, 492837418cc6SNilesh Javali &ha->dpc_flags); 492937418cc6SNilesh Javali goto exit_recover; 493037418cc6SNilesh Javali } 493137418cc6SNilesh Javali } 4932f4f5df23SVikas Chaudhary } 4933f4f5df23SVikas Chaudhary 4934f4f5df23SVikas Chaudhary /* Retry failed adapter initialization, if necessary 4935f4f5df23SVikas Chaudhary * Do not retry initialize_adapter for RESET_HA_INTR (ISP-4xxx specific) 4936f4f5df23SVikas Chaudhary * case to prevent ping-pong resets between functions */ 4937f4f5df23SVikas Chaudhary if (!test_bit(AF_ONLINE, &ha->flags) && 4938f4f5df23SVikas Chaudhary !test_bit(DPC_RESET_HA_INTR, &ha->dpc_flags)) { 4939afaf5a2dSDavid Somayajulu /* Adapter initialization failed, see if we can retry 4940f4f5df23SVikas Chaudhary * resetting the ha. 4941f4f5df23SVikas Chaudhary * Since we don't want to block the DPC for too long 4942f4f5df23SVikas Chaudhary * with multiple resets in the same thread, 4943f4f5df23SVikas Chaudhary * utilize DPC to retry */ 49446e7b4292SVikas Chaudhary if (is_qla80XX(ha)) { 494533693c7aSVikas Chaudhary ha->isp_ops->idc_lock(ha); 494633693c7aSVikas Chaudhary dev_state = qla4_8xxx_rd_direct(ha, 494733693c7aSVikas Chaudhary QLA8XXX_CRB_DEV_STATE); 494833693c7aSVikas Chaudhary ha->isp_ops->idc_unlock(ha); 4949de8c72daSVikas Chaudhary if (dev_state == QLA8XXX_DEV_FAILED) { 49508e0f3a66SSarang Radke ql4_printk(KERN_INFO, ha, "%s: don't retry " 49518e0f3a66SSarang Radke "recover adapter. H/W is in Failed " 49528e0f3a66SSarang Radke "state\n", __func__); 49538e0f3a66SSarang Radke qla4xxx_dead_adapter_cleanup(ha); 49548e0f3a66SSarang Radke clear_bit(DPC_RETRY_RESET_HA, &ha->dpc_flags); 49558e0f3a66SSarang Radke clear_bit(DPC_RESET_HA, &ha->dpc_flags); 49568e0f3a66SSarang Radke clear_bit(DPC_RESET_HA_FW_CONTEXT, 49578e0f3a66SSarang Radke &ha->dpc_flags); 49588e0f3a66SSarang Radke status = QLA_ERROR; 49598e0f3a66SSarang Radke 49608e0f3a66SSarang Radke goto exit_recover; 49618e0f3a66SSarang Radke } 49628e0f3a66SSarang Radke } 49638e0f3a66SSarang Radke 4964afaf5a2dSDavid Somayajulu if (!test_bit(DPC_RETRY_RESET_HA, &ha->dpc_flags)) { 4965afaf5a2dSDavid Somayajulu ha->retry_reset_ha_cnt = MAX_RESET_HA_RETRIES; 4966afaf5a2dSDavid Somayajulu DEBUG2(printk("scsi%ld: recover adapter - retrying " 4967afaf5a2dSDavid Somayajulu "(%d) more times\n", ha->host_no, 4968afaf5a2dSDavid Somayajulu ha->retry_reset_ha_cnt)); 4969afaf5a2dSDavid Somayajulu set_bit(DPC_RETRY_RESET_HA, &ha->dpc_flags); 4970afaf5a2dSDavid Somayajulu status = QLA_ERROR; 4971afaf5a2dSDavid Somayajulu } else { 4972afaf5a2dSDavid Somayajulu if (ha->retry_reset_ha_cnt > 0) { 4973afaf5a2dSDavid Somayajulu /* Schedule another Reset HA--DPC will retry */ 4974afaf5a2dSDavid Somayajulu ha->retry_reset_ha_cnt--; 4975afaf5a2dSDavid Somayajulu DEBUG2(printk("scsi%ld: recover adapter - " 4976afaf5a2dSDavid Somayajulu "retry remaining %d\n", 4977afaf5a2dSDavid Somayajulu ha->host_no, 4978afaf5a2dSDavid Somayajulu ha->retry_reset_ha_cnt)); 4979afaf5a2dSDavid Somayajulu status = QLA_ERROR; 4980afaf5a2dSDavid Somayajulu } 4981afaf5a2dSDavid Somayajulu 4982afaf5a2dSDavid Somayajulu if (ha->retry_reset_ha_cnt == 0) { 4983afaf5a2dSDavid Somayajulu /* Recover adapter retries have been exhausted. 4984afaf5a2dSDavid Somayajulu * Adapter DEAD */ 4985afaf5a2dSDavid Somayajulu DEBUG2(printk("scsi%ld: recover adapter " 4986afaf5a2dSDavid Somayajulu "failed - board disabled\n", 4987afaf5a2dSDavid Somayajulu ha->host_no)); 4988f4f5df23SVikas Chaudhary qla4xxx_dead_adapter_cleanup(ha); 4989afaf5a2dSDavid Somayajulu clear_bit(DPC_RETRY_RESET_HA, &ha->dpc_flags); 4990afaf5a2dSDavid Somayajulu clear_bit(DPC_RESET_HA, &ha->dpc_flags); 4991f4f5df23SVikas Chaudhary clear_bit(DPC_RESET_HA_FW_CONTEXT, 4992afaf5a2dSDavid Somayajulu &ha->dpc_flags); 4993afaf5a2dSDavid Somayajulu status = QLA_ERROR; 4994afaf5a2dSDavid Somayajulu } 4995afaf5a2dSDavid Somayajulu } 4996afaf5a2dSDavid Somayajulu } else { 4997afaf5a2dSDavid Somayajulu clear_bit(DPC_RESET_HA, &ha->dpc_flags); 4998f4f5df23SVikas Chaudhary clear_bit(DPC_RESET_HA_FW_CONTEXT, &ha->dpc_flags); 4999afaf5a2dSDavid Somayajulu clear_bit(DPC_RETRY_RESET_HA, &ha->dpc_flags); 5000afaf5a2dSDavid Somayajulu } 5001afaf5a2dSDavid Somayajulu 50028e0f3a66SSarang Radke exit_recover: 5003afaf5a2dSDavid Somayajulu ha->adapter_error_count++; 5004afaf5a2dSDavid Somayajulu 5005f4f5df23SVikas Chaudhary if (test_bit(AF_ONLINE, &ha->flags)) 5006f4f5df23SVikas Chaudhary ha->isp_ops->enable_intrs(ha); 5007afaf5a2dSDavid Somayajulu 5008f4f5df23SVikas Chaudhary scsi_unblock_requests(ha->host); 5009f4f5df23SVikas Chaudhary 5010f4f5df23SVikas Chaudhary clear_bit(DPC_RESET_ACTIVE, &ha->dpc_flags); 5011f4f5df23SVikas Chaudhary DEBUG2(printk("scsi%ld: recover adapter: %s\n", ha->host_no, 501225985edcSLucas De Marchi status == QLA_ERROR ? "FAILED" : "SUCCEEDED")); 5013f4f5df23SVikas Chaudhary 5014afaf5a2dSDavid Somayajulu return status; 5015afaf5a2dSDavid Somayajulu } 5016afaf5a2dSDavid Somayajulu 5017b3a271a9SManish Rangankar static void qla4xxx_relogin_devices(struct iscsi_cls_session *cls_session) 5018b3a271a9SManish Rangankar { 5019b3a271a9SManish Rangankar struct iscsi_session *sess; 5020b3a271a9SManish Rangankar struct ddb_entry *ddb_entry; 5021b3a271a9SManish Rangankar struct scsi_qla_host *ha; 5022b3a271a9SManish Rangankar 5023b3a271a9SManish Rangankar sess = cls_session->dd_data; 5024b3a271a9SManish Rangankar ddb_entry = sess->dd_data; 5025b3a271a9SManish Rangankar ha = ddb_entry->ha; 5026b3a271a9SManish Rangankar if (!iscsi_is_session_online(cls_session)) { 5027b3a271a9SManish Rangankar if (ddb_entry->fw_ddb_device_state == DDB_DS_SESSION_ACTIVE) { 5028b3a271a9SManish Rangankar ql4_printk(KERN_INFO, ha, "scsi%ld: %s: ddb[%d]" 5029b3a271a9SManish Rangankar " unblock session\n", ha->host_no, __func__, 5030b3a271a9SManish Rangankar ddb_entry->fw_ddb_index); 5031b3a271a9SManish Rangankar iscsi_unblock_session(ddb_entry->sess); 5032b3a271a9SManish Rangankar } else { 5033b3a271a9SManish Rangankar /* Trigger relogin */ 503413483730SMike Christie if (ddb_entry->ddb_type == FLASH_DDB) { 503599c6a33bSAdheer Chandravanshi if (!(test_bit(DF_RELOGIN, &ddb_entry->flags) || 503699c6a33bSAdheer Chandravanshi test_bit(DF_DISABLE_RELOGIN, 503799c6a33bSAdheer Chandravanshi &ddb_entry->flags))) 503813483730SMike Christie qla4xxx_arm_relogin_timer(ddb_entry); 503913483730SMike Christie } else 5040b3a271a9SManish Rangankar iscsi_session_failure(cls_session->dd_data, 5041b3a271a9SManish Rangankar ISCSI_ERR_CONN_FAILED); 5042b3a271a9SManish Rangankar } 5043b3a271a9SManish Rangankar } 5044b3a271a9SManish Rangankar } 5045b3a271a9SManish Rangankar 504613483730SMike Christie int qla4xxx_unblock_flash_ddb(struct iscsi_cls_session *cls_session) 504713483730SMike Christie { 504813483730SMike Christie struct iscsi_session *sess; 504913483730SMike Christie struct ddb_entry *ddb_entry; 505013483730SMike Christie struct scsi_qla_host *ha; 505113483730SMike Christie 505213483730SMike Christie sess = cls_session->dd_data; 505313483730SMike Christie ddb_entry = sess->dd_data; 505413483730SMike Christie ha = ddb_entry->ha; 505513483730SMike Christie ql4_printk(KERN_INFO, ha, "scsi%ld: %s: ddb[%d]" 505613483730SMike Christie " unblock session\n", ha->host_no, __func__, 505713483730SMike Christie ddb_entry->fw_ddb_index); 505813483730SMike Christie 505913483730SMike Christie iscsi_unblock_session(ddb_entry->sess); 506013483730SMike Christie 506113483730SMike Christie /* Start scan target */ 506213483730SMike Christie if (test_bit(AF_ONLINE, &ha->flags)) { 506313483730SMike Christie ql4_printk(KERN_INFO, ha, "scsi%ld: %s: ddb[%d]" 506413483730SMike Christie " start scan\n", ha->host_no, __func__, 506513483730SMike Christie ddb_entry->fw_ddb_index); 506613483730SMike Christie scsi_queue_work(ha->host, &ddb_entry->sess->scan_work); 506713483730SMike Christie } 506813483730SMike Christie return QLA_SUCCESS; 506913483730SMike Christie } 507013483730SMike Christie 507113483730SMike Christie int qla4xxx_unblock_ddb(struct iscsi_cls_session *cls_session) 507213483730SMike Christie { 507313483730SMike Christie struct iscsi_session *sess; 507413483730SMike Christie struct ddb_entry *ddb_entry; 507513483730SMike Christie struct scsi_qla_host *ha; 507680c53e64SManish Rangankar int status = QLA_SUCCESS; 507713483730SMike Christie 507813483730SMike Christie sess = cls_session->dd_data; 507913483730SMike Christie ddb_entry = sess->dd_data; 508013483730SMike Christie ha = ddb_entry->ha; 508113483730SMike Christie ql4_printk(KERN_INFO, ha, "scsi%ld: %s: ddb[%d]" 508213483730SMike Christie " unblock user space session\n", ha->host_no, __func__, 508313483730SMike Christie ddb_entry->fw_ddb_index); 508480c53e64SManish Rangankar 508580c53e64SManish Rangankar if (!iscsi_is_session_online(cls_session)) { 508613483730SMike Christie iscsi_conn_start(ddb_entry->conn); 508713483730SMike Christie iscsi_conn_login_event(ddb_entry->conn, 508813483730SMike Christie ISCSI_CONN_STATE_LOGGED_IN); 508980c53e64SManish Rangankar } else { 509080c53e64SManish Rangankar ql4_printk(KERN_INFO, ha, 509180c53e64SManish Rangankar "scsi%ld: %s: ddb[%d] session [%d] already logged in\n", 509280c53e64SManish Rangankar ha->host_no, __func__, ddb_entry->fw_ddb_index, 509380c53e64SManish Rangankar cls_session->sid); 509480c53e64SManish Rangankar status = QLA_ERROR; 509580c53e64SManish Rangankar } 509613483730SMike Christie 509780c53e64SManish Rangankar return status; 509813483730SMike Christie } 509913483730SMike Christie 51002d7924e6SVikas Chaudhary static void qla4xxx_relogin_all_devices(struct scsi_qla_host *ha) 51012d7924e6SVikas Chaudhary { 5102b3a271a9SManish Rangankar iscsi_host_for_each_session(ha->host, qla4xxx_relogin_devices); 51032d7924e6SVikas Chaudhary } 51042d7924e6SVikas Chaudhary 510513483730SMike Christie static void qla4xxx_relogin_flash_ddb(struct iscsi_cls_session *cls_sess) 510613483730SMike Christie { 510713483730SMike Christie uint16_t relogin_timer; 510813483730SMike Christie struct iscsi_session *sess; 510913483730SMike Christie struct ddb_entry *ddb_entry; 511013483730SMike Christie struct scsi_qla_host *ha; 511113483730SMike Christie 511213483730SMike Christie sess = cls_sess->dd_data; 511313483730SMike Christie ddb_entry = sess->dd_data; 511413483730SMike Christie ha = ddb_entry->ha; 511513483730SMike Christie 511613483730SMike Christie relogin_timer = max(ddb_entry->default_relogin_timeout, 511713483730SMike Christie (uint16_t)RELOGIN_TOV); 511813483730SMike Christie atomic_set(&ddb_entry->relogin_timer, relogin_timer); 511913483730SMike Christie 512013483730SMike Christie DEBUG2(ql4_printk(KERN_INFO, ha, 512113483730SMike Christie "scsi%ld: Relogin index [%d]. TOV=%d\n", ha->host_no, 512213483730SMike Christie ddb_entry->fw_ddb_index, relogin_timer)); 512313483730SMike Christie 512413483730SMike Christie qla4xxx_login_flash_ddb(cls_sess); 512513483730SMike Christie } 512613483730SMike Christie 512713483730SMike Christie static void qla4xxx_dpc_relogin(struct iscsi_cls_session *cls_sess) 512813483730SMike Christie { 512913483730SMike Christie struct iscsi_session *sess; 513013483730SMike Christie struct ddb_entry *ddb_entry; 513113483730SMike Christie struct scsi_qla_host *ha; 513213483730SMike Christie 513313483730SMike Christie sess = cls_sess->dd_data; 513413483730SMike Christie ddb_entry = sess->dd_data; 513513483730SMike Christie ha = ddb_entry->ha; 513613483730SMike Christie 513713483730SMike Christie if (!(ddb_entry->ddb_type == FLASH_DDB)) 513813483730SMike Christie return; 513913483730SMike Christie 514099c6a33bSAdheer Chandravanshi if (test_bit(DF_DISABLE_RELOGIN, &ddb_entry->flags)) 514199c6a33bSAdheer Chandravanshi return; 514299c6a33bSAdheer Chandravanshi 514313483730SMike Christie if (test_and_clear_bit(DF_RELOGIN, &ddb_entry->flags) && 514413483730SMike Christie !iscsi_is_session_online(cls_sess)) { 514513483730SMike Christie DEBUG2(ql4_printk(KERN_INFO, ha, 514613483730SMike Christie "relogin issued\n")); 514713483730SMike Christie qla4xxx_relogin_flash_ddb(cls_sess); 514813483730SMike Christie } 514913483730SMike Christie } 515013483730SMike Christie 5151f4f5df23SVikas Chaudhary void qla4xxx_wake_dpc(struct scsi_qla_host *ha) 5152f4f5df23SVikas Chaudhary { 51531b46807eSLalit Chandivade if (ha->dpc_thread) 5154f4f5df23SVikas Chaudhary queue_work(ha->dpc_thread, &ha->dpc_work); 5155f4f5df23SVikas Chaudhary } 5156f4f5df23SVikas Chaudhary 5157ff884430SVikas Chaudhary static struct qla4_work_evt * 5158ff884430SVikas Chaudhary qla4xxx_alloc_work(struct scsi_qla_host *ha, uint32_t data_size, 5159ff884430SVikas Chaudhary enum qla4_work_type type) 5160ff884430SVikas Chaudhary { 5161ff884430SVikas Chaudhary struct qla4_work_evt *e; 5162ff884430SVikas Chaudhary uint32_t size = sizeof(struct qla4_work_evt) + data_size; 5163ff884430SVikas Chaudhary 5164ff884430SVikas Chaudhary e = kzalloc(size, GFP_ATOMIC); 5165ff884430SVikas Chaudhary if (!e) 5166ff884430SVikas Chaudhary return NULL; 5167ff884430SVikas Chaudhary 5168ff884430SVikas Chaudhary INIT_LIST_HEAD(&e->list); 5169ff884430SVikas Chaudhary e->type = type; 5170ff884430SVikas Chaudhary return e; 5171ff884430SVikas Chaudhary } 5172ff884430SVikas Chaudhary 5173ff884430SVikas Chaudhary static void qla4xxx_post_work(struct scsi_qla_host *ha, 5174ff884430SVikas Chaudhary struct qla4_work_evt *e) 5175ff884430SVikas Chaudhary { 5176ff884430SVikas Chaudhary unsigned long flags; 5177ff884430SVikas Chaudhary 5178ff884430SVikas Chaudhary spin_lock_irqsave(&ha->work_lock, flags); 5179ff884430SVikas Chaudhary list_add_tail(&e->list, &ha->work_list); 5180ff884430SVikas Chaudhary spin_unlock_irqrestore(&ha->work_lock, flags); 5181ff884430SVikas Chaudhary qla4xxx_wake_dpc(ha); 5182ff884430SVikas Chaudhary } 5183ff884430SVikas Chaudhary 5184ff884430SVikas Chaudhary int qla4xxx_post_aen_work(struct scsi_qla_host *ha, 5185ff884430SVikas Chaudhary enum iscsi_host_event_code aen_code, 5186ff884430SVikas Chaudhary uint32_t data_size, uint8_t *data) 5187ff884430SVikas Chaudhary { 5188ff884430SVikas Chaudhary struct qla4_work_evt *e; 5189ff884430SVikas Chaudhary 5190ff884430SVikas Chaudhary e = qla4xxx_alloc_work(ha, data_size, QLA4_EVENT_AEN); 5191ff884430SVikas Chaudhary if (!e) 5192ff884430SVikas Chaudhary return QLA_ERROR; 5193ff884430SVikas Chaudhary 5194ff884430SVikas Chaudhary e->u.aen.code = aen_code; 5195ff884430SVikas Chaudhary e->u.aen.data_size = data_size; 5196ff884430SVikas Chaudhary memcpy(e->u.aen.data, data, data_size); 5197ff884430SVikas Chaudhary 5198ff884430SVikas Chaudhary qla4xxx_post_work(ha, e); 5199ff884430SVikas Chaudhary 5200ff884430SVikas Chaudhary return QLA_SUCCESS; 5201ff884430SVikas Chaudhary } 5202ff884430SVikas Chaudhary 5203c0b9d3f7SVikas Chaudhary int qla4xxx_post_ping_evt_work(struct scsi_qla_host *ha, 5204c0b9d3f7SVikas Chaudhary uint32_t status, uint32_t pid, 5205c0b9d3f7SVikas Chaudhary uint32_t data_size, uint8_t *data) 5206c0b9d3f7SVikas Chaudhary { 5207c0b9d3f7SVikas Chaudhary struct qla4_work_evt *e; 5208c0b9d3f7SVikas Chaudhary 5209c0b9d3f7SVikas Chaudhary e = qla4xxx_alloc_work(ha, data_size, QLA4_EVENT_PING_STATUS); 5210c0b9d3f7SVikas Chaudhary if (!e) 5211c0b9d3f7SVikas Chaudhary return QLA_ERROR; 5212c0b9d3f7SVikas Chaudhary 5213c0b9d3f7SVikas Chaudhary e->u.ping.status = status; 5214c0b9d3f7SVikas Chaudhary e->u.ping.pid = pid; 5215c0b9d3f7SVikas Chaudhary e->u.ping.data_size = data_size; 5216c0b9d3f7SVikas Chaudhary memcpy(e->u.ping.data, data, data_size); 5217c0b9d3f7SVikas Chaudhary 5218c0b9d3f7SVikas Chaudhary qla4xxx_post_work(ha, e); 5219c0b9d3f7SVikas Chaudhary 5220c0b9d3f7SVikas Chaudhary return QLA_SUCCESS; 5221c0b9d3f7SVikas Chaudhary } 5222c0b9d3f7SVikas Chaudhary 5223a7380a65SVikas Chaudhary static void qla4xxx_do_work(struct scsi_qla_host *ha) 5224ff884430SVikas Chaudhary { 5225ff884430SVikas Chaudhary struct qla4_work_evt *e, *tmp; 5226ff884430SVikas Chaudhary unsigned long flags; 5227ff884430SVikas Chaudhary LIST_HEAD(work); 5228ff884430SVikas Chaudhary 5229ff884430SVikas Chaudhary spin_lock_irqsave(&ha->work_lock, flags); 5230ff884430SVikas Chaudhary list_splice_init(&ha->work_list, &work); 5231ff884430SVikas Chaudhary spin_unlock_irqrestore(&ha->work_lock, flags); 5232ff884430SVikas Chaudhary 5233ff884430SVikas Chaudhary list_for_each_entry_safe(e, tmp, &work, list) { 5234ff884430SVikas Chaudhary list_del_init(&e->list); 5235ff884430SVikas Chaudhary 5236ff884430SVikas Chaudhary switch (e->type) { 5237ff884430SVikas Chaudhary case QLA4_EVENT_AEN: 5238ff884430SVikas Chaudhary iscsi_post_host_event(ha->host_no, 5239ff884430SVikas Chaudhary &qla4xxx_iscsi_transport, 5240ff884430SVikas Chaudhary e->u.aen.code, 5241ff884430SVikas Chaudhary e->u.aen.data_size, 5242ff884430SVikas Chaudhary e->u.aen.data); 5243ff884430SVikas Chaudhary break; 5244c0b9d3f7SVikas Chaudhary case QLA4_EVENT_PING_STATUS: 5245c0b9d3f7SVikas Chaudhary iscsi_ping_comp_event(ha->host_no, 5246c0b9d3f7SVikas Chaudhary &qla4xxx_iscsi_transport, 5247c0b9d3f7SVikas Chaudhary e->u.ping.status, 5248c0b9d3f7SVikas Chaudhary e->u.ping.pid, 5249c0b9d3f7SVikas Chaudhary e->u.ping.data_size, 5250c0b9d3f7SVikas Chaudhary e->u.ping.data); 5251c0b9d3f7SVikas Chaudhary break; 5252ff884430SVikas Chaudhary default: 5253ff884430SVikas Chaudhary ql4_printk(KERN_WARNING, ha, "event type: 0x%x not " 5254ff884430SVikas Chaudhary "supported", e->type); 5255ff884430SVikas Chaudhary } 5256ff884430SVikas Chaudhary kfree(e); 5257ff884430SVikas Chaudhary } 5258ff884430SVikas Chaudhary } 5259ff884430SVikas Chaudhary 5260afaf5a2dSDavid Somayajulu /** 5261afaf5a2dSDavid Somayajulu * qla4xxx_do_dpc - dpc routine 5262afaf5a2dSDavid Somayajulu * @data: in our case pointer to adapter structure 5263afaf5a2dSDavid Somayajulu * 5264afaf5a2dSDavid Somayajulu * This routine is a task that is schedule by the interrupt handler 5265afaf5a2dSDavid Somayajulu * to perform the background processing for interrupts. We put it 5266afaf5a2dSDavid Somayajulu * on a task queue that is consumed whenever the scheduler runs; that's 5267afaf5a2dSDavid Somayajulu * so you can do anything (i.e. put the process to sleep etc). In fact, 5268afaf5a2dSDavid Somayajulu * the mid-level tries to sleep when it reaches the driver threshold 5269afaf5a2dSDavid Somayajulu * "host->can_queue". This can cause a panic if we were in our interrupt code. 5270afaf5a2dSDavid Somayajulu **/ 5271c4028958SDavid Howells static void qla4xxx_do_dpc(struct work_struct *work) 5272afaf5a2dSDavid Somayajulu { 5273c4028958SDavid Howells struct scsi_qla_host *ha = 5274c4028958SDavid Howells container_of(work, struct scsi_qla_host, dpc_work); 5275477ffb9dSDavid C Somayajulu int status = QLA_ERROR; 5276afaf5a2dSDavid Somayajulu 5277a7e5688dSVikas Chaudhary DEBUG2(ql4_printk(KERN_INFO, ha, 5278a7e5688dSVikas Chaudhary "scsi%ld: %s: DPC handler waking up. flags = 0x%08lx, dpc_flags = 0x%08lx\n", 5279a7e5688dSVikas Chaudhary ha->host_no, __func__, ha->flags, ha->dpc_flags)); 5280afaf5a2dSDavid Somayajulu 5281afaf5a2dSDavid Somayajulu /* Initialization not yet finished. Don't do anything yet. */ 5282afaf5a2dSDavid Somayajulu if (!test_bit(AF_INIT_DONE, &ha->flags)) 52831b46807eSLalit Chandivade return; 5284afaf5a2dSDavid Somayajulu 52852232be0dSLalit Chandivade if (test_bit(AF_EEH_BUSY, &ha->flags)) { 52862232be0dSLalit Chandivade DEBUG2(printk(KERN_INFO "scsi%ld: %s: flags = %lx\n", 52872232be0dSLalit Chandivade ha->host_no, __func__, ha->flags)); 52881b46807eSLalit Chandivade return; 52892232be0dSLalit Chandivade } 52902232be0dSLalit Chandivade 5291ff884430SVikas Chaudhary /* post events to application */ 5292ff884430SVikas Chaudhary qla4xxx_do_work(ha); 5293ff884430SVikas Chaudhary 52946e7b4292SVikas Chaudhary if (is_qla80XX(ha)) { 5295f4f5df23SVikas Chaudhary if (test_bit(DPC_HA_UNRECOVERABLE, &ha->dpc_flags)) { 5296b37ca418SVikas Chaudhary if (is_qla8032(ha) || is_qla8042(ha)) { 5297546fef27STej Parkash ql4_printk(KERN_INFO, ha, "%s: disabling pause transmit on port 0 & 1.\n", 5298546fef27STej Parkash __func__); 5299546fef27STej Parkash /* disable pause frame for ISP83xx */ 5300546fef27STej Parkash qla4_83xx_disable_pause(ha); 5301546fef27STej Parkash } 5302546fef27STej Parkash 530333693c7aSVikas Chaudhary ha->isp_ops->idc_lock(ha); 530433693c7aSVikas Chaudhary qla4_8xxx_wr_direct(ha, QLA8XXX_CRB_DEV_STATE, 5305de8c72daSVikas Chaudhary QLA8XXX_DEV_FAILED); 530633693c7aSVikas Chaudhary ha->isp_ops->idc_unlock(ha); 5307f4f5df23SVikas Chaudhary ql4_printk(KERN_INFO, ha, "HW State: FAILED\n"); 5308f4f5df23SVikas Chaudhary qla4_8xxx_device_state_handler(ha); 5309f4f5df23SVikas Chaudhary } 5310320a61deSNilesh Javali 53117ab284c9SNilesh Javali if (test_bit(DPC_POST_IDC_ACK, &ha->dpc_flags)) { 53127ab284c9SNilesh Javali if (is_qla8042(ha)) { 53137ab284c9SNilesh Javali if (ha->idc_info.info2 & 53147ab284c9SNilesh Javali ENABLE_INTERNAL_LOOPBACK) { 53157ab284c9SNilesh Javali ql4_printk(KERN_INFO, ha, "%s: Disabling ACB\n", 53167ab284c9SNilesh Javali __func__); 53177ab284c9SNilesh Javali status = qla4_84xx_config_acb(ha, 53187ab284c9SNilesh Javali ACB_CONFIG_DISABLE); 53197ab284c9SNilesh Javali if (status != QLA_SUCCESS) { 53207ab284c9SNilesh Javali ql4_printk(KERN_INFO, ha, "%s: ACB config failed\n", 53217ab284c9SNilesh Javali __func__); 53227ab284c9SNilesh Javali } 53237ab284c9SNilesh Javali } 53247ab284c9SNilesh Javali } 5325320a61deSNilesh Javali qla4_83xx_post_idc_ack(ha); 53267ab284c9SNilesh Javali clear_bit(DPC_POST_IDC_ACK, &ha->dpc_flags); 53277ab284c9SNilesh Javali } 53287ab284c9SNilesh Javali 53297ab284c9SNilesh Javali if (is_qla8042(ha) && 53307ab284c9SNilesh Javali test_bit(DPC_RESTORE_ACB, &ha->dpc_flags)) { 53317ab284c9SNilesh Javali ql4_printk(KERN_INFO, ha, "%s: Restoring ACB\n", 53327ab284c9SNilesh Javali __func__); 53337ab284c9SNilesh Javali if (qla4_84xx_config_acb(ha, ACB_CONFIG_SET) != 53347ab284c9SNilesh Javali QLA_SUCCESS) { 53357ab284c9SNilesh Javali ql4_printk(KERN_INFO, ha, "%s: ACB config failed ", 53367ab284c9SNilesh Javali __func__); 53377ab284c9SNilesh Javali } 53387ab284c9SNilesh Javali clear_bit(DPC_RESTORE_ACB, &ha->dpc_flags); 53397ab284c9SNilesh Javali } 5340320a61deSNilesh Javali 5341f4f5df23SVikas Chaudhary if (test_and_clear_bit(DPC_HA_NEED_QUIESCENT, &ha->dpc_flags)) { 5342f4f5df23SVikas Chaudhary qla4_8xxx_need_qsnt_handler(ha); 5343f4f5df23SVikas Chaudhary } 5344f4f5df23SVikas Chaudhary } 5345f4f5df23SVikas Chaudhary 5346f4f5df23SVikas Chaudhary if (!test_bit(DPC_RESET_ACTIVE, &ha->dpc_flags) && 5347f4f5df23SVikas Chaudhary (test_bit(DPC_RESET_HA, &ha->dpc_flags) || 5348afaf5a2dSDavid Somayajulu test_bit(DPC_RESET_HA_INTR, &ha->dpc_flags) || 5349f4f5df23SVikas Chaudhary test_bit(DPC_RESET_HA_FW_CONTEXT, &ha->dpc_flags))) { 53506e7b4292SVikas Chaudhary if ((is_qla8022(ha) && ql4xdontresethba) || 5351b37ca418SVikas Chaudhary ((is_qla8032(ha) || is_qla8042(ha)) && 5352b37ca418SVikas Chaudhary qla4_83xx_idc_dontreset(ha))) { 5353f4f5df23SVikas Chaudhary DEBUG2(printk("scsi%ld: %s: Don't Reset HBA\n", 5354f4f5df23SVikas Chaudhary ha->host_no, __func__)); 5355f4f5df23SVikas Chaudhary clear_bit(DPC_RESET_HA, &ha->dpc_flags); 5356f4f5df23SVikas Chaudhary clear_bit(DPC_RESET_HA_INTR, &ha->dpc_flags); 5357f4f5df23SVikas Chaudhary clear_bit(DPC_RESET_HA_FW_CONTEXT, &ha->dpc_flags); 5358f4f5df23SVikas Chaudhary goto dpc_post_reset_ha; 5359f4f5df23SVikas Chaudhary } 5360f4f5df23SVikas Chaudhary if (test_bit(DPC_RESET_HA_FW_CONTEXT, &ha->dpc_flags) || 5361f26b9044SDavid C Somayajulu test_bit(DPC_RESET_HA, &ha->dpc_flags)) 5362f4f5df23SVikas Chaudhary qla4xxx_recover_adapter(ha); 5363afaf5a2dSDavid Somayajulu 5364477ffb9dSDavid C Somayajulu if (test_bit(DPC_RESET_HA_INTR, &ha->dpc_flags)) { 5365afaf5a2dSDavid Somayajulu uint8_t wait_time = RESET_INTR_TOV; 5366afaf5a2dSDavid Somayajulu 5367afaf5a2dSDavid Somayajulu while ((readw(&ha->reg->ctrl_status) & 5368afaf5a2dSDavid Somayajulu (CSR_SOFT_RESET | CSR_FORCE_SOFT_RESET)) != 0) { 5369afaf5a2dSDavid Somayajulu if (--wait_time == 0) 5370afaf5a2dSDavid Somayajulu break; 5371afaf5a2dSDavid Somayajulu msleep(1000); 5372afaf5a2dSDavid Somayajulu } 5373afaf5a2dSDavid Somayajulu if (wait_time == 0) 5374afaf5a2dSDavid Somayajulu DEBUG2(printk("scsi%ld: %s: SR|FSR " 5375afaf5a2dSDavid Somayajulu "bit not cleared-- resetting\n", 5376afaf5a2dSDavid Somayajulu ha->host_no, __func__)); 5377f4f5df23SVikas Chaudhary qla4xxx_abort_active_cmds(ha, DID_RESET << 16); 5378477ffb9dSDavid C Somayajulu if (ql4xxx_lock_drvr_wait(ha) == QLA_SUCCESS) { 5379477ffb9dSDavid C Somayajulu qla4xxx_process_aen(ha, FLUSH_DDB_CHANGED_AENS); 5380f4f5df23SVikas Chaudhary status = qla4xxx_recover_adapter(ha); 5381477ffb9dSDavid C Somayajulu } 5382477ffb9dSDavid C Somayajulu clear_bit(DPC_RESET_HA_INTR, &ha->dpc_flags); 5383477ffb9dSDavid C Somayajulu if (status == QLA_SUCCESS) 5384f4f5df23SVikas Chaudhary ha->isp_ops->enable_intrs(ha); 5385afaf5a2dSDavid Somayajulu } 5386afaf5a2dSDavid Somayajulu } 5387afaf5a2dSDavid Somayajulu 5388f4f5df23SVikas Chaudhary dpc_post_reset_ha: 5389afaf5a2dSDavid Somayajulu /* ---- process AEN? --- */ 5390afaf5a2dSDavid Somayajulu if (test_and_clear_bit(DPC_AEN, &ha->dpc_flags)) 5391afaf5a2dSDavid Somayajulu qla4xxx_process_aen(ha, PROCESS_ALL_AENS); 5392afaf5a2dSDavid Somayajulu 5393afaf5a2dSDavid Somayajulu /* ---- Get DHCP IP Address? --- */ 5394afaf5a2dSDavid Somayajulu if (test_and_clear_bit(DPC_GET_DHCP_IP_ADDR, &ha->dpc_flags)) 5395afaf5a2dSDavid Somayajulu qla4xxx_get_dhcp_ip_address(ha); 5396afaf5a2dSDavid Somayajulu 539713483730SMike Christie /* ---- relogin device? --- */ 539813483730SMike Christie if (adapter_up(ha) && 539913483730SMike Christie test_and_clear_bit(DPC_RELOGIN_DEVICE, &ha->dpc_flags)) { 540013483730SMike Christie iscsi_host_for_each_session(ha->host, qla4xxx_dpc_relogin); 540113483730SMike Christie } 540213483730SMike Christie 5403065aa1b4SVikas Chaudhary /* ---- link change? --- */ 5404026fbd3aSNilesh Javali if (!test_bit(AF_LOOPBACK, &ha->flags) && 5405026fbd3aSNilesh Javali test_and_clear_bit(DPC_LINK_CHANGED, &ha->dpc_flags)) { 5406065aa1b4SVikas Chaudhary if (!test_bit(AF_LINK_UP, &ha->flags)) { 5407065aa1b4SVikas Chaudhary /* ---- link down? --- */ 54082d7924e6SVikas Chaudhary qla4xxx_mark_all_devices_missing(ha); 5409065aa1b4SVikas Chaudhary } else { 5410065aa1b4SVikas Chaudhary /* ---- link up? --- * 5411065aa1b4SVikas Chaudhary * F/W will auto login to all devices ONLY ONCE after 5412065aa1b4SVikas Chaudhary * link up during driver initialization and runtime 5413065aa1b4SVikas Chaudhary * fatal error recovery. Therefore, the driver must 5414065aa1b4SVikas Chaudhary * manually relogin to devices when recovering from 5415065aa1b4SVikas Chaudhary * connection failures, logouts, expired KATO, etc. */ 541613483730SMike Christie if (test_and_clear_bit(AF_BUILD_DDB_LIST, &ha->flags)) { 541713483730SMike Christie qla4xxx_build_ddb_list(ha, ha->is_reset); 541813483730SMike Christie iscsi_host_for_each_session(ha->host, 541913483730SMike Christie qla4xxx_login_flash_ddb); 542013483730SMike Christie } else 54212d7924e6SVikas Chaudhary qla4xxx_relogin_all_devices(ha); 5422065aa1b4SVikas Chaudhary } 5423065aa1b4SVikas Chaudhary } 5424906cbf3dSNilesh Javali if (test_and_clear_bit(DPC_SYSFS_DDB_EXPORT, &ha->dpc_flags)) { 5425906cbf3dSNilesh Javali if (qla4xxx_sysfs_ddb_export(ha)) 5426906cbf3dSNilesh Javali ql4_printk(KERN_ERR, ha, "%s: Error exporting ddb to sysfs\n", 5427906cbf3dSNilesh Javali __func__); 5428906cbf3dSNilesh Javali } 5429afaf5a2dSDavid Somayajulu } 5430afaf5a2dSDavid Somayajulu 5431afaf5a2dSDavid Somayajulu /** 5432afaf5a2dSDavid Somayajulu * qla4xxx_free_adapter - release the adapter 5433afaf5a2dSDavid Somayajulu * @ha: pointer to adapter structure 5434afaf5a2dSDavid Somayajulu **/ 5435afaf5a2dSDavid Somayajulu static void qla4xxx_free_adapter(struct scsi_qla_host *ha) 5436afaf5a2dSDavid Somayajulu { 54378a288960SSarang Radke qla4xxx_abort_active_cmds(ha, DID_NO_CONNECT << 16); 5438afaf5a2dSDavid Somayajulu 5439afaf5a2dSDavid Somayajulu /* Turn-off interrupts on the card. */ 5440f4f5df23SVikas Chaudhary ha->isp_ops->disable_intrs(ha); 5441afaf5a2dSDavid Somayajulu 5442d9e62e51SVikas Chaudhary if (is_qla40XX(ha)) { 5443d9e62e51SVikas Chaudhary writel(set_rmask(CSR_SCSI_PROCESSOR_INTR), 5444d9e62e51SVikas Chaudhary &ha->reg->ctrl_status); 5445d9e62e51SVikas Chaudhary readl(&ha->reg->ctrl_status); 5446d9e62e51SVikas Chaudhary } else if (is_qla8022(ha)) { 54477664a1fdSVikas Chaudhary writel(0, &ha->qla4_82xx_reg->host_int); 54487664a1fdSVikas Chaudhary readl(&ha->qla4_82xx_reg->host_int); 5449b37ca418SVikas Chaudhary } else if (is_qla8032(ha) || is_qla8042(ha)) { 5450fbd8107cSVikas Chaudhary writel(0, &ha->qla4_83xx_reg->risc_intr); 5451fbd8107cSVikas Chaudhary readl(&ha->qla4_83xx_reg->risc_intr); 5452d9e62e51SVikas Chaudhary } 5453d9e62e51SVikas Chaudhary 5454afaf5a2dSDavid Somayajulu /* Remove timer thread, if present */ 5455afaf5a2dSDavid Somayajulu if (ha->timer_active) 5456afaf5a2dSDavid Somayajulu qla4xxx_stop_timer(ha); 5457afaf5a2dSDavid Somayajulu 5458f4f5df23SVikas Chaudhary /* Kill the kernel thread for this host */ 5459f4f5df23SVikas Chaudhary if (ha->dpc_thread) 5460f4f5df23SVikas Chaudhary destroy_workqueue(ha->dpc_thread); 5461f4f5df23SVikas Chaudhary 5462b3a271a9SManish Rangankar /* Kill the kernel thread for this host */ 5463b3a271a9SManish Rangankar if (ha->task_wq) 5464b3a271a9SManish Rangankar destroy_workqueue(ha->task_wq); 5465b3a271a9SManish Rangankar 5466f4f5df23SVikas Chaudhary /* Put firmware in known state */ 5467f4f5df23SVikas Chaudhary ha->isp_ops->reset_firmware(ha); 5468f4f5df23SVikas Chaudhary 54696e7b4292SVikas Chaudhary if (is_qla80XX(ha)) { 547033693c7aSVikas Chaudhary ha->isp_ops->idc_lock(ha); 5471f4f5df23SVikas Chaudhary qla4_8xxx_clear_drv_active(ha); 547233693c7aSVikas Chaudhary ha->isp_ops->idc_unlock(ha); 5473f4f5df23SVikas Chaudhary } 5474f4f5df23SVikas Chaudhary 5475afaf5a2dSDavid Somayajulu /* Detach interrupts */ 5476f4f5df23SVikas Chaudhary qla4xxx_free_irqs(ha); 5477afaf5a2dSDavid Somayajulu 5478bee4fe8eSDavid C Somayajulu /* free extra memory */ 5479bee4fe8eSDavid C Somayajulu qla4xxx_mem_free(ha); 5480f4f5df23SVikas Chaudhary } 5481bee4fe8eSDavid C Somayajulu 5482f4f5df23SVikas Chaudhary int qla4_8xxx_iospace_config(struct scsi_qla_host *ha) 5483f4f5df23SVikas Chaudhary { 5484f4f5df23SVikas Chaudhary int status = 0; 5485f4f5df23SVikas Chaudhary unsigned long mem_base, mem_len, db_base, db_len; 5486f4f5df23SVikas Chaudhary struct pci_dev *pdev = ha->pdev; 5487afaf5a2dSDavid Somayajulu 5488f4f5df23SVikas Chaudhary status = pci_request_regions(pdev, DRIVER_NAME); 5489f4f5df23SVikas Chaudhary if (status) { 5490f4f5df23SVikas Chaudhary printk(KERN_WARNING 5491f4f5df23SVikas Chaudhary "scsi(%ld) Failed to reserve PIO regions (%s) " 5492f4f5df23SVikas Chaudhary "status=%d\n", ha->host_no, pci_name(pdev), status); 5493f4f5df23SVikas Chaudhary goto iospace_error_exit; 5494f4f5df23SVikas Chaudhary } 5495f4f5df23SVikas Chaudhary 5496f4f5df23SVikas Chaudhary DEBUG2(printk(KERN_INFO "%s: revision-id=%d\n", 54977d7311c4SSergei Shtylyov __func__, pdev->revision)); 54987d7311c4SSergei Shtylyov ha->revision_id = pdev->revision; 5499f4f5df23SVikas Chaudhary 5500f4f5df23SVikas Chaudhary /* remap phys address */ 5501f4f5df23SVikas Chaudhary mem_base = pci_resource_start(pdev, 0); /* 0 is for BAR 0 */ 5502f4f5df23SVikas Chaudhary mem_len = pci_resource_len(pdev, 0); 5503f4f5df23SVikas Chaudhary DEBUG2(printk(KERN_INFO "%s: ioremap from %lx a size of %lx\n", 5504f4f5df23SVikas Chaudhary __func__, mem_base, mem_len)); 5505f4f5df23SVikas Chaudhary 5506f4f5df23SVikas Chaudhary /* mapping of pcibase pointer */ 5507f4f5df23SVikas Chaudhary ha->nx_pcibase = (unsigned long)ioremap(mem_base, mem_len); 5508f4f5df23SVikas Chaudhary if (!ha->nx_pcibase) { 5509f4f5df23SVikas Chaudhary printk(KERN_ERR 5510f4f5df23SVikas Chaudhary "cannot remap MMIO (%s), aborting\n", pci_name(pdev)); 5511f4f5df23SVikas Chaudhary pci_release_regions(ha->pdev); 5512f4f5df23SVikas Chaudhary goto iospace_error_exit; 5513f4f5df23SVikas Chaudhary } 5514f4f5df23SVikas Chaudhary 5515f4f5df23SVikas Chaudhary /* Mapping of IO base pointer, door bell read and write pointer */ 5516f4f5df23SVikas Chaudhary 5517f4f5df23SVikas Chaudhary /* mapping of IO base pointer */ 55186e7b4292SVikas Chaudhary if (is_qla8022(ha)) { 55196e7b4292SVikas Chaudhary ha->qla4_82xx_reg = (struct device_reg_82xx __iomem *) 55206e7b4292SVikas Chaudhary ((uint8_t *)ha->nx_pcibase + 0xbc000 + 55216e7b4292SVikas Chaudhary (ha->pdev->devfn << 11)); 55226e7b4292SVikas Chaudhary ha->nx_db_wr_ptr = (ha->pdev->devfn == 4 ? QLA82XX_CAM_RAM_DB1 : 55236e7b4292SVikas Chaudhary QLA82XX_CAM_RAM_DB2); 5524b37ca418SVikas Chaudhary } else if (is_qla8032(ha) || is_qla8042(ha)) { 55256e7b4292SVikas Chaudhary ha->qla4_83xx_reg = (struct device_reg_83xx __iomem *) 55266e7b4292SVikas Chaudhary ((uint8_t *)ha->nx_pcibase); 55276e7b4292SVikas Chaudhary } 5528f4f5df23SVikas Chaudhary 5529f4f5df23SVikas Chaudhary db_base = pci_resource_start(pdev, 4); /* doorbell is on bar 4 */ 5530f4f5df23SVikas Chaudhary db_len = pci_resource_len(pdev, 4); 5531f4f5df23SVikas Chaudhary 55322657c800SShyam Sundar return 0; 5533f4f5df23SVikas Chaudhary iospace_error_exit: 5534f4f5df23SVikas Chaudhary return -ENOMEM; 5535afaf5a2dSDavid Somayajulu } 5536afaf5a2dSDavid Somayajulu 5537afaf5a2dSDavid Somayajulu /*** 5538afaf5a2dSDavid Somayajulu * qla4xxx_iospace_config - maps registers 5539afaf5a2dSDavid Somayajulu * @ha: pointer to adapter structure 5540afaf5a2dSDavid Somayajulu * 5541afaf5a2dSDavid Somayajulu * This routines maps HBA's registers from the pci address space 5542afaf5a2dSDavid Somayajulu * into the kernel virtual address space for memory mapped i/o. 5543afaf5a2dSDavid Somayajulu **/ 5544f4f5df23SVikas Chaudhary int qla4xxx_iospace_config(struct scsi_qla_host *ha) 5545afaf5a2dSDavid Somayajulu { 5546afaf5a2dSDavid Somayajulu unsigned long pio, pio_len, pio_flags; 5547afaf5a2dSDavid Somayajulu unsigned long mmio, mmio_len, mmio_flags; 5548afaf5a2dSDavid Somayajulu 5549afaf5a2dSDavid Somayajulu pio = pci_resource_start(ha->pdev, 0); 5550afaf5a2dSDavid Somayajulu pio_len = pci_resource_len(ha->pdev, 0); 5551afaf5a2dSDavid Somayajulu pio_flags = pci_resource_flags(ha->pdev, 0); 5552afaf5a2dSDavid Somayajulu if (pio_flags & IORESOURCE_IO) { 5553afaf5a2dSDavid Somayajulu if (pio_len < MIN_IOBASE_LEN) { 5554c2660df3SVikas Chaudhary ql4_printk(KERN_WARNING, ha, 5555afaf5a2dSDavid Somayajulu "Invalid PCI I/O region size\n"); 5556afaf5a2dSDavid Somayajulu pio = 0; 5557afaf5a2dSDavid Somayajulu } 5558afaf5a2dSDavid Somayajulu } else { 5559c2660df3SVikas Chaudhary ql4_printk(KERN_WARNING, ha, "region #0 not a PIO resource\n"); 5560afaf5a2dSDavid Somayajulu pio = 0; 5561afaf5a2dSDavid Somayajulu } 5562afaf5a2dSDavid Somayajulu 5563afaf5a2dSDavid Somayajulu /* Use MMIO operations for all accesses. */ 5564afaf5a2dSDavid Somayajulu mmio = pci_resource_start(ha->pdev, 1); 5565afaf5a2dSDavid Somayajulu mmio_len = pci_resource_len(ha->pdev, 1); 5566afaf5a2dSDavid Somayajulu mmio_flags = pci_resource_flags(ha->pdev, 1); 5567afaf5a2dSDavid Somayajulu 5568afaf5a2dSDavid Somayajulu if (!(mmio_flags & IORESOURCE_MEM)) { 5569c2660df3SVikas Chaudhary ql4_printk(KERN_ERR, ha, 5570afaf5a2dSDavid Somayajulu "region #0 not an MMIO resource, aborting\n"); 5571afaf5a2dSDavid Somayajulu 5572afaf5a2dSDavid Somayajulu goto iospace_error_exit; 5573afaf5a2dSDavid Somayajulu } 5574c2660df3SVikas Chaudhary 5575afaf5a2dSDavid Somayajulu if (mmio_len < MIN_IOBASE_LEN) { 5576c2660df3SVikas Chaudhary ql4_printk(KERN_ERR, ha, 5577afaf5a2dSDavid Somayajulu "Invalid PCI mem region size, aborting\n"); 5578afaf5a2dSDavid Somayajulu goto iospace_error_exit; 5579afaf5a2dSDavid Somayajulu } 5580afaf5a2dSDavid Somayajulu 5581afaf5a2dSDavid Somayajulu if (pci_request_regions(ha->pdev, DRIVER_NAME)) { 5582c2660df3SVikas Chaudhary ql4_printk(KERN_WARNING, ha, 5583afaf5a2dSDavid Somayajulu "Failed to reserve PIO/MMIO regions\n"); 5584afaf5a2dSDavid Somayajulu 5585afaf5a2dSDavid Somayajulu goto iospace_error_exit; 5586afaf5a2dSDavid Somayajulu } 5587afaf5a2dSDavid Somayajulu 5588afaf5a2dSDavid Somayajulu ha->pio_address = pio; 5589afaf5a2dSDavid Somayajulu ha->pio_length = pio_len; 5590afaf5a2dSDavid Somayajulu ha->reg = ioremap(mmio, MIN_IOBASE_LEN); 5591afaf5a2dSDavid Somayajulu if (!ha->reg) { 5592c2660df3SVikas Chaudhary ql4_printk(KERN_ERR, ha, 5593afaf5a2dSDavid Somayajulu "cannot remap MMIO, aborting\n"); 5594afaf5a2dSDavid Somayajulu 5595afaf5a2dSDavid Somayajulu goto iospace_error_exit; 5596afaf5a2dSDavid Somayajulu } 5597afaf5a2dSDavid Somayajulu 5598afaf5a2dSDavid Somayajulu return 0; 5599afaf5a2dSDavid Somayajulu 5600afaf5a2dSDavid Somayajulu iospace_error_exit: 5601afaf5a2dSDavid Somayajulu return -ENOMEM; 5602afaf5a2dSDavid Somayajulu } 5603afaf5a2dSDavid Somayajulu 5604f4f5df23SVikas Chaudhary static struct isp_operations qla4xxx_isp_ops = { 5605f4f5df23SVikas Chaudhary .iospace_config = qla4xxx_iospace_config, 5606f4f5df23SVikas Chaudhary .pci_config = qla4xxx_pci_config, 5607f4f5df23SVikas Chaudhary .disable_intrs = qla4xxx_disable_intrs, 5608f4f5df23SVikas Chaudhary .enable_intrs = qla4xxx_enable_intrs, 5609f4f5df23SVikas Chaudhary .start_firmware = qla4xxx_start_firmware, 5610f4f5df23SVikas Chaudhary .intr_handler = qla4xxx_intr_handler, 5611f4f5df23SVikas Chaudhary .interrupt_service_routine = qla4xxx_interrupt_service_routine, 5612f4f5df23SVikas Chaudhary .reset_chip = qla4xxx_soft_reset, 5613f4f5df23SVikas Chaudhary .reset_firmware = qla4xxx_hw_reset, 5614f4f5df23SVikas Chaudhary .queue_iocb = qla4xxx_queue_iocb, 5615f4f5df23SVikas Chaudhary .complete_iocb = qla4xxx_complete_iocb, 5616f4f5df23SVikas Chaudhary .rd_shdw_req_q_out = qla4xxx_rd_shdw_req_q_out, 5617f4f5df23SVikas Chaudhary .rd_shdw_rsp_q_in = qla4xxx_rd_shdw_rsp_q_in, 5618f4f5df23SVikas Chaudhary .get_sys_info = qla4xxx_get_sys_info, 561933693c7aSVikas Chaudhary .queue_mailbox_command = qla4xxx_queue_mbox_cmd, 562033693c7aSVikas Chaudhary .process_mailbox_interrupt = qla4xxx_process_mbox_intr, 5621f4f5df23SVikas Chaudhary }; 5622f4f5df23SVikas Chaudhary 56237664a1fdSVikas Chaudhary static struct isp_operations qla4_82xx_isp_ops = { 5624f4f5df23SVikas Chaudhary .iospace_config = qla4_8xxx_iospace_config, 5625f4f5df23SVikas Chaudhary .pci_config = qla4_8xxx_pci_config, 5626f8086f4fSVikas Chaudhary .disable_intrs = qla4_82xx_disable_intrs, 5627f8086f4fSVikas Chaudhary .enable_intrs = qla4_82xx_enable_intrs, 5628f4f5df23SVikas Chaudhary .start_firmware = qla4_8xxx_load_risc, 562933693c7aSVikas Chaudhary .restart_firmware = qla4_82xx_try_start_fw, 5630f8086f4fSVikas Chaudhary .intr_handler = qla4_82xx_intr_handler, 5631f8086f4fSVikas Chaudhary .interrupt_service_routine = qla4_82xx_interrupt_service_routine, 563233693c7aSVikas Chaudhary .need_reset = qla4_8xxx_need_reset, 5633f8086f4fSVikas Chaudhary .reset_chip = qla4_82xx_isp_reset, 5634f4f5df23SVikas Chaudhary .reset_firmware = qla4_8xxx_stop_firmware, 5635f8086f4fSVikas Chaudhary .queue_iocb = qla4_82xx_queue_iocb, 5636f8086f4fSVikas Chaudhary .complete_iocb = qla4_82xx_complete_iocb, 5637f8086f4fSVikas Chaudhary .rd_shdw_req_q_out = qla4_82xx_rd_shdw_req_q_out, 5638f8086f4fSVikas Chaudhary .rd_shdw_rsp_q_in = qla4_82xx_rd_shdw_rsp_q_in, 5639f4f5df23SVikas Chaudhary .get_sys_info = qla4_8xxx_get_sys_info, 564033693c7aSVikas Chaudhary .rd_reg_direct = qla4_82xx_rd_32, 564133693c7aSVikas Chaudhary .wr_reg_direct = qla4_82xx_wr_32, 564233693c7aSVikas Chaudhary .rd_reg_indirect = qla4_82xx_md_rd_32, 564333693c7aSVikas Chaudhary .wr_reg_indirect = qla4_82xx_md_wr_32, 564433693c7aSVikas Chaudhary .idc_lock = qla4_82xx_idc_lock, 564533693c7aSVikas Chaudhary .idc_unlock = qla4_82xx_idc_unlock, 564633693c7aSVikas Chaudhary .rom_lock_recovery = qla4_82xx_rom_lock_recovery, 564733693c7aSVikas Chaudhary .queue_mailbox_command = qla4_82xx_queue_mbox_cmd, 564833693c7aSVikas Chaudhary .process_mailbox_interrupt = qla4_82xx_process_mbox_intr, 5649f4f5df23SVikas Chaudhary }; 5650f4f5df23SVikas Chaudhary 56516e7b4292SVikas Chaudhary static struct isp_operations qla4_83xx_isp_ops = { 56526e7b4292SVikas Chaudhary .iospace_config = qla4_8xxx_iospace_config, 56536e7b4292SVikas Chaudhary .pci_config = qla4_8xxx_pci_config, 56546e7b4292SVikas Chaudhary .disable_intrs = qla4_83xx_disable_intrs, 56556e7b4292SVikas Chaudhary .enable_intrs = qla4_83xx_enable_intrs, 56566e7b4292SVikas Chaudhary .start_firmware = qla4_8xxx_load_risc, 56576e7b4292SVikas Chaudhary .restart_firmware = qla4_83xx_start_firmware, 56586e7b4292SVikas Chaudhary .intr_handler = qla4_83xx_intr_handler, 56596e7b4292SVikas Chaudhary .interrupt_service_routine = qla4_83xx_interrupt_service_routine, 56606e7b4292SVikas Chaudhary .need_reset = qla4_8xxx_need_reset, 56616e7b4292SVikas Chaudhary .reset_chip = qla4_83xx_isp_reset, 56626e7b4292SVikas Chaudhary .reset_firmware = qla4_8xxx_stop_firmware, 56636e7b4292SVikas Chaudhary .queue_iocb = qla4_83xx_queue_iocb, 56646e7b4292SVikas Chaudhary .complete_iocb = qla4_83xx_complete_iocb, 5665a24058f9STej Parkash .rd_shdw_req_q_out = qla4xxx_rd_shdw_req_q_out, 5666a24058f9STej Parkash .rd_shdw_rsp_q_in = qla4xxx_rd_shdw_rsp_q_in, 56676e7b4292SVikas Chaudhary .get_sys_info = qla4_8xxx_get_sys_info, 56686e7b4292SVikas Chaudhary .rd_reg_direct = qla4_83xx_rd_reg, 56696e7b4292SVikas Chaudhary .wr_reg_direct = qla4_83xx_wr_reg, 56706e7b4292SVikas Chaudhary .rd_reg_indirect = qla4_83xx_rd_reg_indirect, 56716e7b4292SVikas Chaudhary .wr_reg_indirect = qla4_83xx_wr_reg_indirect, 56726e7b4292SVikas Chaudhary .idc_lock = qla4_83xx_drv_lock, 56736e7b4292SVikas Chaudhary .idc_unlock = qla4_83xx_drv_unlock, 56746e7b4292SVikas Chaudhary .rom_lock_recovery = qla4_83xx_rom_lock_recovery, 56756e7b4292SVikas Chaudhary .queue_mailbox_command = qla4_83xx_queue_mbox_cmd, 56766e7b4292SVikas Chaudhary .process_mailbox_interrupt = qla4_83xx_process_mbox_intr, 5677f4f5df23SVikas Chaudhary }; 5678f4f5df23SVikas Chaudhary 5679f4f5df23SVikas Chaudhary uint16_t qla4xxx_rd_shdw_req_q_out(struct scsi_qla_host *ha) 5680f4f5df23SVikas Chaudhary { 5681f4f5df23SVikas Chaudhary return (uint16_t)le32_to_cpu(ha->shadow_regs->req_q_out); 5682f4f5df23SVikas Chaudhary } 5683f4f5df23SVikas Chaudhary 5684f8086f4fSVikas Chaudhary uint16_t qla4_82xx_rd_shdw_req_q_out(struct scsi_qla_host *ha) 5685f4f5df23SVikas Chaudhary { 56867664a1fdSVikas Chaudhary return (uint16_t)le32_to_cpu(readl(&ha->qla4_82xx_reg->req_q_out)); 5687f4f5df23SVikas Chaudhary } 5688f4f5df23SVikas Chaudhary 5689f4f5df23SVikas Chaudhary uint16_t qla4xxx_rd_shdw_rsp_q_in(struct scsi_qla_host *ha) 5690f4f5df23SVikas Chaudhary { 5691f4f5df23SVikas Chaudhary return (uint16_t)le32_to_cpu(ha->shadow_regs->rsp_q_in); 5692f4f5df23SVikas Chaudhary } 5693f4f5df23SVikas Chaudhary 5694f8086f4fSVikas Chaudhary uint16_t qla4_82xx_rd_shdw_rsp_q_in(struct scsi_qla_host *ha) 5695f4f5df23SVikas Chaudhary { 56967664a1fdSVikas Chaudhary return (uint16_t)le32_to_cpu(readl(&ha->qla4_82xx_reg->rsp_q_in)); 5697f4f5df23SVikas Chaudhary } 5698f4f5df23SVikas Chaudhary 56992a991c21SManish Rangankar static ssize_t qla4xxx_show_boot_eth_info(void *data, int type, char *buf) 57002a991c21SManish Rangankar { 57012a991c21SManish Rangankar struct scsi_qla_host *ha = data; 57022a991c21SManish Rangankar char *str = buf; 57032a991c21SManish Rangankar int rc; 57042a991c21SManish Rangankar 57052a991c21SManish Rangankar switch (type) { 57062a991c21SManish Rangankar case ISCSI_BOOT_ETH_FLAGS: 57072a991c21SManish Rangankar rc = sprintf(str, "%d\n", SYSFS_FLAG_FW_SEL_BOOT); 57082a991c21SManish Rangankar break; 57092a991c21SManish Rangankar case ISCSI_BOOT_ETH_INDEX: 57102a991c21SManish Rangankar rc = sprintf(str, "0\n"); 57112a991c21SManish Rangankar break; 57122a991c21SManish Rangankar case ISCSI_BOOT_ETH_MAC: 57132a991c21SManish Rangankar rc = sysfs_format_mac(str, ha->my_mac, 57142a991c21SManish Rangankar MAC_ADDR_LEN); 57152a991c21SManish Rangankar break; 57162a991c21SManish Rangankar default: 57172a991c21SManish Rangankar rc = -ENOSYS; 57182a991c21SManish Rangankar break; 57192a991c21SManish Rangankar } 57202a991c21SManish Rangankar return rc; 57212a991c21SManish Rangankar } 57222a991c21SManish Rangankar 5723587a1f16SAl Viro static umode_t qla4xxx_eth_get_attr_visibility(void *data, int type) 57242a991c21SManish Rangankar { 57252a991c21SManish Rangankar int rc; 57262a991c21SManish Rangankar 57272a991c21SManish Rangankar switch (type) { 57282a991c21SManish Rangankar case ISCSI_BOOT_ETH_FLAGS: 57292a991c21SManish Rangankar case ISCSI_BOOT_ETH_MAC: 57302a991c21SManish Rangankar case ISCSI_BOOT_ETH_INDEX: 57312a991c21SManish Rangankar rc = S_IRUGO; 57322a991c21SManish Rangankar break; 57332a991c21SManish Rangankar default: 57342a991c21SManish Rangankar rc = 0; 57352a991c21SManish Rangankar break; 57362a991c21SManish Rangankar } 57372a991c21SManish Rangankar return rc; 57382a991c21SManish Rangankar } 57392a991c21SManish Rangankar 57402a991c21SManish Rangankar static ssize_t qla4xxx_show_boot_ini_info(void *data, int type, char *buf) 57412a991c21SManish Rangankar { 57422a991c21SManish Rangankar struct scsi_qla_host *ha = data; 57432a991c21SManish Rangankar char *str = buf; 57442a991c21SManish Rangankar int rc; 57452a991c21SManish Rangankar 57462a991c21SManish Rangankar switch (type) { 57472a991c21SManish Rangankar case ISCSI_BOOT_INI_INITIATOR_NAME: 57482a991c21SManish Rangankar rc = sprintf(str, "%s\n", ha->name_string); 57492a991c21SManish Rangankar break; 57502a991c21SManish Rangankar default: 57512a991c21SManish Rangankar rc = -ENOSYS; 57522a991c21SManish Rangankar break; 57532a991c21SManish Rangankar } 57542a991c21SManish Rangankar return rc; 57552a991c21SManish Rangankar } 57562a991c21SManish Rangankar 5757587a1f16SAl Viro static umode_t qla4xxx_ini_get_attr_visibility(void *data, int type) 57582a991c21SManish Rangankar { 57592a991c21SManish Rangankar int rc; 57602a991c21SManish Rangankar 57612a991c21SManish Rangankar switch (type) { 57622a991c21SManish Rangankar case ISCSI_BOOT_INI_INITIATOR_NAME: 57632a991c21SManish Rangankar rc = S_IRUGO; 57642a991c21SManish Rangankar break; 57652a991c21SManish Rangankar default: 57662a991c21SManish Rangankar rc = 0; 57672a991c21SManish Rangankar break; 57682a991c21SManish Rangankar } 57692a991c21SManish Rangankar return rc; 57702a991c21SManish Rangankar } 57712a991c21SManish Rangankar 57722a991c21SManish Rangankar static ssize_t 57732a991c21SManish Rangankar qla4xxx_show_boot_tgt_info(struct ql4_boot_session_info *boot_sess, int type, 57742a991c21SManish Rangankar char *buf) 57752a991c21SManish Rangankar { 57762a991c21SManish Rangankar struct ql4_conn_info *boot_conn = &boot_sess->conn_list[0]; 57772a991c21SManish Rangankar char *str = buf; 57782a991c21SManish Rangankar int rc; 57792a991c21SManish Rangankar 57802a991c21SManish Rangankar switch (type) { 57812a991c21SManish Rangankar case ISCSI_BOOT_TGT_NAME: 57822a991c21SManish Rangankar rc = sprintf(buf, "%s\n", (char *)&boot_sess->target_name); 57832a991c21SManish Rangankar break; 57842a991c21SManish Rangankar case ISCSI_BOOT_TGT_IP_ADDR: 57852a991c21SManish Rangankar if (boot_sess->conn_list[0].dest_ipaddr.ip_type == 0x1) 57862a991c21SManish Rangankar rc = sprintf(buf, "%pI4\n", 57872a991c21SManish Rangankar &boot_conn->dest_ipaddr.ip_address); 57882a991c21SManish Rangankar else 57892a991c21SManish Rangankar rc = sprintf(str, "%pI6\n", 57902a991c21SManish Rangankar &boot_conn->dest_ipaddr.ip_address); 57912a991c21SManish Rangankar break; 57922a991c21SManish Rangankar case ISCSI_BOOT_TGT_PORT: 57932a991c21SManish Rangankar rc = sprintf(str, "%d\n", boot_conn->dest_port); 57942a991c21SManish Rangankar break; 57952a991c21SManish Rangankar case ISCSI_BOOT_TGT_CHAP_NAME: 57962a991c21SManish Rangankar rc = sprintf(str, "%.*s\n", 57972a991c21SManish Rangankar boot_conn->chap.target_chap_name_length, 57982a991c21SManish Rangankar (char *)&boot_conn->chap.target_chap_name); 57992a991c21SManish Rangankar break; 58002a991c21SManish Rangankar case ISCSI_BOOT_TGT_CHAP_SECRET: 58012a991c21SManish Rangankar rc = sprintf(str, "%.*s\n", 58022a991c21SManish Rangankar boot_conn->chap.target_secret_length, 58032a991c21SManish Rangankar (char *)&boot_conn->chap.target_secret); 58042a991c21SManish Rangankar break; 58052a991c21SManish Rangankar case ISCSI_BOOT_TGT_REV_CHAP_NAME: 58062a991c21SManish Rangankar rc = sprintf(str, "%.*s\n", 58072a991c21SManish Rangankar boot_conn->chap.intr_chap_name_length, 58082a991c21SManish Rangankar (char *)&boot_conn->chap.intr_chap_name); 58092a991c21SManish Rangankar break; 58102a991c21SManish Rangankar case ISCSI_BOOT_TGT_REV_CHAP_SECRET: 58112a991c21SManish Rangankar rc = sprintf(str, "%.*s\n", 58122a991c21SManish Rangankar boot_conn->chap.intr_secret_length, 58132a991c21SManish Rangankar (char *)&boot_conn->chap.intr_secret); 58142a991c21SManish Rangankar break; 58152a991c21SManish Rangankar case ISCSI_BOOT_TGT_FLAGS: 58162a991c21SManish Rangankar rc = sprintf(str, "%d\n", SYSFS_FLAG_FW_SEL_BOOT); 58172a991c21SManish Rangankar break; 58182a991c21SManish Rangankar case ISCSI_BOOT_TGT_NIC_ASSOC: 58192a991c21SManish Rangankar rc = sprintf(str, "0\n"); 58202a991c21SManish Rangankar break; 58212a991c21SManish Rangankar default: 58222a991c21SManish Rangankar rc = -ENOSYS; 58232a991c21SManish Rangankar break; 58242a991c21SManish Rangankar } 58252a991c21SManish Rangankar return rc; 58262a991c21SManish Rangankar } 58272a991c21SManish Rangankar 58282a991c21SManish Rangankar static ssize_t qla4xxx_show_boot_tgt_pri_info(void *data, int type, char *buf) 58292a991c21SManish Rangankar { 58302a991c21SManish Rangankar struct scsi_qla_host *ha = data; 58312a991c21SManish Rangankar struct ql4_boot_session_info *boot_sess = &(ha->boot_tgt.boot_pri_sess); 58322a991c21SManish Rangankar 58332a991c21SManish Rangankar return qla4xxx_show_boot_tgt_info(boot_sess, type, buf); 58342a991c21SManish Rangankar } 58352a991c21SManish Rangankar 58362a991c21SManish Rangankar static ssize_t qla4xxx_show_boot_tgt_sec_info(void *data, int type, char *buf) 58372a991c21SManish Rangankar { 58382a991c21SManish Rangankar struct scsi_qla_host *ha = data; 58392a991c21SManish Rangankar struct ql4_boot_session_info *boot_sess = &(ha->boot_tgt.boot_sec_sess); 58402a991c21SManish Rangankar 58412a991c21SManish Rangankar return qla4xxx_show_boot_tgt_info(boot_sess, type, buf); 58422a991c21SManish Rangankar } 58432a991c21SManish Rangankar 5844587a1f16SAl Viro static umode_t qla4xxx_tgt_get_attr_visibility(void *data, int type) 58452a991c21SManish Rangankar { 58462a991c21SManish Rangankar int rc; 58472a991c21SManish Rangankar 58482a991c21SManish Rangankar switch (type) { 58492a991c21SManish Rangankar case ISCSI_BOOT_TGT_NAME: 58502a991c21SManish Rangankar case ISCSI_BOOT_TGT_IP_ADDR: 58512a991c21SManish Rangankar case ISCSI_BOOT_TGT_PORT: 58522a991c21SManish Rangankar case ISCSI_BOOT_TGT_CHAP_NAME: 58532a991c21SManish Rangankar case ISCSI_BOOT_TGT_CHAP_SECRET: 58542a991c21SManish Rangankar case ISCSI_BOOT_TGT_REV_CHAP_NAME: 58552a991c21SManish Rangankar case ISCSI_BOOT_TGT_REV_CHAP_SECRET: 58562a991c21SManish Rangankar case ISCSI_BOOT_TGT_NIC_ASSOC: 58572a991c21SManish Rangankar case ISCSI_BOOT_TGT_FLAGS: 58582a991c21SManish Rangankar rc = S_IRUGO; 58592a991c21SManish Rangankar break; 58602a991c21SManish Rangankar default: 58612a991c21SManish Rangankar rc = 0; 58622a991c21SManish Rangankar break; 58632a991c21SManish Rangankar } 58642a991c21SManish Rangankar return rc; 58652a991c21SManish Rangankar } 58662a991c21SManish Rangankar 58672a991c21SManish Rangankar static void qla4xxx_boot_release(void *data) 58682a991c21SManish Rangankar { 58692a991c21SManish Rangankar struct scsi_qla_host *ha = data; 58702a991c21SManish Rangankar 58712a991c21SManish Rangankar scsi_host_put(ha->host); 58722a991c21SManish Rangankar } 58732a991c21SManish Rangankar 58742a991c21SManish Rangankar static int get_fw_boot_info(struct scsi_qla_host *ha, uint16_t ddb_index[]) 58752a991c21SManish Rangankar { 58762a991c21SManish Rangankar dma_addr_t buf_dma; 58772a991c21SManish Rangankar uint32_t addr, pri_addr, sec_addr; 58782a991c21SManish Rangankar uint32_t offset; 58792a991c21SManish Rangankar uint16_t func_num; 58802a991c21SManish Rangankar uint8_t val; 58812a991c21SManish Rangankar uint8_t *buf = NULL; 58822a991c21SManish Rangankar size_t size = 13 * sizeof(uint8_t); 58832a991c21SManish Rangankar int ret = QLA_SUCCESS; 58842a991c21SManish Rangankar 58852a991c21SManish Rangankar func_num = PCI_FUNC(ha->pdev->devfn); 58862a991c21SManish Rangankar 58870d5b36b8SManish Rangankar ql4_printk(KERN_INFO, ha, "%s: Get FW boot info for 0x%x func %d\n", 58880d5b36b8SManish Rangankar __func__, ha->pdev->device, func_num); 58892a991c21SManish Rangankar 58900d5b36b8SManish Rangankar if (is_qla40XX(ha)) { 58912a991c21SManish Rangankar if (func_num == 1) { 58922a991c21SManish Rangankar addr = NVRAM_PORT0_BOOT_MODE; 58932a991c21SManish Rangankar pri_addr = NVRAM_PORT0_BOOT_PRI_TGT; 58942a991c21SManish Rangankar sec_addr = NVRAM_PORT0_BOOT_SEC_TGT; 58952a991c21SManish Rangankar } else if (func_num == 3) { 58962a991c21SManish Rangankar addr = NVRAM_PORT1_BOOT_MODE; 58972a991c21SManish Rangankar pri_addr = NVRAM_PORT1_BOOT_PRI_TGT; 58982a991c21SManish Rangankar sec_addr = NVRAM_PORT1_BOOT_SEC_TGT; 58992a991c21SManish Rangankar } else { 59002a991c21SManish Rangankar ret = QLA_ERROR; 59012a991c21SManish Rangankar goto exit_boot_info; 59022a991c21SManish Rangankar } 59032a991c21SManish Rangankar 59042a991c21SManish Rangankar /* Check Boot Mode */ 59052a991c21SManish Rangankar val = rd_nvram_byte(ha, addr); 59062a991c21SManish Rangankar if (!(val & 0x07)) { 5907e8fb00e0SManish Rangankar DEBUG2(ql4_printk(KERN_INFO, ha, "%s: Adapter boot " 5908e8fb00e0SManish Rangankar "options : 0x%x\n", __func__, val)); 59092a991c21SManish Rangankar ret = QLA_ERROR; 59102a991c21SManish Rangankar goto exit_boot_info; 59112a991c21SManish Rangankar } 59122a991c21SManish Rangankar 59132a991c21SManish Rangankar /* get primary valid target index */ 59142a991c21SManish Rangankar val = rd_nvram_byte(ha, pri_addr); 59152a991c21SManish Rangankar if (val & BIT_7) 59162a991c21SManish Rangankar ddb_index[0] = (val & 0x7f); 59172a991c21SManish Rangankar 59182a991c21SManish Rangankar /* get secondary valid target index */ 59192a991c21SManish Rangankar val = rd_nvram_byte(ha, sec_addr); 59202a991c21SManish Rangankar if (val & BIT_7) 59212a991c21SManish Rangankar ddb_index[1] = (val & 0x7f); 59222a991c21SManish Rangankar 59233e788fb1SVikas Chaudhary } else if (is_qla80XX(ha)) { 59242a991c21SManish Rangankar buf = dma_alloc_coherent(&ha->pdev->dev, size, 59252a991c21SManish Rangankar &buf_dma, GFP_KERNEL); 59262a991c21SManish Rangankar if (!buf) { 59272a991c21SManish Rangankar DEBUG2(ql4_printk(KERN_ERR, ha, 59282a991c21SManish Rangankar "%s: Unable to allocate dma buffer\n", 59292a991c21SManish Rangankar __func__)); 59302a991c21SManish Rangankar ret = QLA_ERROR; 59312a991c21SManish Rangankar goto exit_boot_info; 59322a991c21SManish Rangankar } 59332a991c21SManish Rangankar 59342a991c21SManish Rangankar if (ha->port_num == 0) 59352a991c21SManish Rangankar offset = BOOT_PARAM_OFFSET_PORT0; 59362a991c21SManish Rangankar else if (ha->port_num == 1) 59372a991c21SManish Rangankar offset = BOOT_PARAM_OFFSET_PORT1; 59382a991c21SManish Rangankar else { 59392a991c21SManish Rangankar ret = QLA_ERROR; 59402a991c21SManish Rangankar goto exit_boot_info_free; 59412a991c21SManish Rangankar } 59422a991c21SManish Rangankar addr = FLASH_RAW_ACCESS_ADDR + (ha->hw.flt_iscsi_param * 4) + 59432a991c21SManish Rangankar offset; 59442a991c21SManish Rangankar if (qla4xxx_get_flash(ha, buf_dma, addr, 59452a991c21SManish Rangankar 13 * sizeof(uint8_t)) != QLA_SUCCESS) { 59462a991c21SManish Rangankar DEBUG2(ql4_printk(KERN_ERR, ha, "scsi%ld: %s: Get Flash" 59472a991c21SManish Rangankar " failed\n", ha->host_no, __func__)); 59482a991c21SManish Rangankar ret = QLA_ERROR; 59492a991c21SManish Rangankar goto exit_boot_info_free; 59502a991c21SManish Rangankar } 59512a991c21SManish Rangankar /* Check Boot Mode */ 59522a991c21SManish Rangankar if (!(buf[1] & 0x07)) { 5953e8fb00e0SManish Rangankar DEBUG2(ql4_printk(KERN_INFO, ha, "Firmware boot options" 5954e8fb00e0SManish Rangankar " : 0x%x\n", buf[1])); 59552a991c21SManish Rangankar ret = QLA_ERROR; 59562a991c21SManish Rangankar goto exit_boot_info_free; 59572a991c21SManish Rangankar } 59582a991c21SManish Rangankar 59592a991c21SManish Rangankar /* get primary valid target index */ 59602a991c21SManish Rangankar if (buf[2] & BIT_7) 59612a991c21SManish Rangankar ddb_index[0] = buf[2] & 0x7f; 59622a991c21SManish Rangankar 59632a991c21SManish Rangankar /* get secondary valid target index */ 59642a991c21SManish Rangankar if (buf[11] & BIT_7) 59652a991c21SManish Rangankar ddb_index[1] = buf[11] & 0x7f; 59662a991c21SManish Rangankar } else { 59672a991c21SManish Rangankar ret = QLA_ERROR; 59682a991c21SManish Rangankar goto exit_boot_info; 59692a991c21SManish Rangankar } 59702a991c21SManish Rangankar 59712a991c21SManish Rangankar DEBUG2(ql4_printk(KERN_INFO, ha, "%s: Primary target ID %d, Secondary" 59722a991c21SManish Rangankar " target ID %d\n", __func__, ddb_index[0], 59732a991c21SManish Rangankar ddb_index[1])); 59742a991c21SManish Rangankar 59752a991c21SManish Rangankar exit_boot_info_free: 59762a991c21SManish Rangankar dma_free_coherent(&ha->pdev->dev, size, buf, buf_dma); 59772a991c21SManish Rangankar exit_boot_info: 597820e835b4SLalit Chandivade ha->pri_ddb_idx = ddb_index[0]; 597920e835b4SLalit Chandivade ha->sec_ddb_idx = ddb_index[1]; 59802a991c21SManish Rangankar return ret; 59812a991c21SManish Rangankar } 59822a991c21SManish Rangankar 598328deb45cSLalit Chandivade /** 598428deb45cSLalit Chandivade * qla4xxx_get_bidi_chap - Get a BIDI CHAP user and password 598528deb45cSLalit Chandivade * @ha: pointer to adapter structure 598628deb45cSLalit Chandivade * @username: CHAP username to be returned 598728deb45cSLalit Chandivade * @password: CHAP password to be returned 598828deb45cSLalit Chandivade * 598928deb45cSLalit Chandivade * If a boot entry has BIDI CHAP enabled then we need to set the BIDI CHAP 599028deb45cSLalit Chandivade * user and password in the sysfs entry in /sys/firmware/iscsi_boot#/. 599128deb45cSLalit Chandivade * So from the CHAP cache find the first BIDI CHAP entry and set it 599228deb45cSLalit Chandivade * to the boot record in sysfs. 599328deb45cSLalit Chandivade **/ 599428deb45cSLalit Chandivade static int qla4xxx_get_bidi_chap(struct scsi_qla_host *ha, char *username, 599528deb45cSLalit Chandivade char *password) 599628deb45cSLalit Chandivade { 599728deb45cSLalit Chandivade int i, ret = -EINVAL; 599828deb45cSLalit Chandivade int max_chap_entries = 0; 599928deb45cSLalit Chandivade struct ql4_chap_table *chap_table; 600028deb45cSLalit Chandivade 6001d11b0ca3SVikas Chaudhary if (is_qla80XX(ha)) 600228deb45cSLalit Chandivade max_chap_entries = (ha->hw.flt_chap_size / 2) / 600328deb45cSLalit Chandivade sizeof(struct ql4_chap_table); 600428deb45cSLalit Chandivade else 600528deb45cSLalit Chandivade max_chap_entries = MAX_CHAP_ENTRIES_40XX; 600628deb45cSLalit Chandivade 600728deb45cSLalit Chandivade if (!ha->chap_list) { 600828deb45cSLalit Chandivade ql4_printk(KERN_ERR, ha, "Do not have CHAP table cache\n"); 600928deb45cSLalit Chandivade return ret; 601028deb45cSLalit Chandivade } 601128deb45cSLalit Chandivade 601228deb45cSLalit Chandivade mutex_lock(&ha->chap_sem); 601328deb45cSLalit Chandivade for (i = 0; i < max_chap_entries; i++) { 601428deb45cSLalit Chandivade chap_table = (struct ql4_chap_table *)ha->chap_list + i; 601528deb45cSLalit Chandivade if (chap_table->cookie != 601628deb45cSLalit Chandivade __constant_cpu_to_le16(CHAP_VALID_COOKIE)) { 601728deb45cSLalit Chandivade continue; 601828deb45cSLalit Chandivade } 601928deb45cSLalit Chandivade 602028deb45cSLalit Chandivade if (chap_table->flags & BIT_7) /* local */ 602128deb45cSLalit Chandivade continue; 602228deb45cSLalit Chandivade 602328deb45cSLalit Chandivade if (!(chap_table->flags & BIT_6)) /* Not BIDI */ 602428deb45cSLalit Chandivade continue; 602528deb45cSLalit Chandivade 6026bdbb9662SRickard Strandqvist strlcpy(password, chap_table->secret, QL4_CHAP_MAX_SECRET_LEN); 6027bdbb9662SRickard Strandqvist strlcpy(username, chap_table->name, QL4_CHAP_MAX_NAME_LEN); 602828deb45cSLalit Chandivade ret = 0; 602928deb45cSLalit Chandivade break; 603028deb45cSLalit Chandivade } 603128deb45cSLalit Chandivade mutex_unlock(&ha->chap_sem); 603228deb45cSLalit Chandivade 603328deb45cSLalit Chandivade return ret; 603428deb45cSLalit Chandivade } 603528deb45cSLalit Chandivade 603628deb45cSLalit Chandivade 60372a991c21SManish Rangankar static int qla4xxx_get_boot_target(struct scsi_qla_host *ha, 60382a991c21SManish Rangankar struct ql4_boot_session_info *boot_sess, 60392a991c21SManish Rangankar uint16_t ddb_index) 60402a991c21SManish Rangankar { 60412a991c21SManish Rangankar struct ql4_conn_info *boot_conn = &boot_sess->conn_list[0]; 60422a991c21SManish Rangankar struct dev_db_entry *fw_ddb_entry; 60432a991c21SManish Rangankar dma_addr_t fw_ddb_entry_dma; 60442a991c21SManish Rangankar uint16_t idx; 60452a991c21SManish Rangankar uint16_t options; 60462a991c21SManish Rangankar int ret = QLA_SUCCESS; 60472a991c21SManish Rangankar 60482a991c21SManish Rangankar fw_ddb_entry = dma_alloc_coherent(&ha->pdev->dev, sizeof(*fw_ddb_entry), 60492a991c21SManish Rangankar &fw_ddb_entry_dma, GFP_KERNEL); 60502a991c21SManish Rangankar if (!fw_ddb_entry) { 60512a991c21SManish Rangankar DEBUG2(ql4_printk(KERN_ERR, ha, 60522a991c21SManish Rangankar "%s: Unable to allocate dma buffer.\n", 60532a991c21SManish Rangankar __func__)); 60542a991c21SManish Rangankar ret = QLA_ERROR; 60552a991c21SManish Rangankar return ret; 60562a991c21SManish Rangankar } 60572a991c21SManish Rangankar 60582a991c21SManish Rangankar if (qla4xxx_bootdb_by_index(ha, fw_ddb_entry, 60592a991c21SManish Rangankar fw_ddb_entry_dma, ddb_index)) { 6060e8fb00e0SManish Rangankar DEBUG2(ql4_printk(KERN_INFO, ha, "%s: No Flash DDB found at " 6061e8fb00e0SManish Rangankar "index [%d]\n", __func__, ddb_index)); 60622a991c21SManish Rangankar ret = QLA_ERROR; 60632a991c21SManish Rangankar goto exit_boot_target; 60642a991c21SManish Rangankar } 60652a991c21SManish Rangankar 60662a991c21SManish Rangankar /* Update target name and IP from DDB */ 60672a991c21SManish Rangankar memcpy(boot_sess->target_name, fw_ddb_entry->iscsi_name, 60682a991c21SManish Rangankar min(sizeof(boot_sess->target_name), 60692a991c21SManish Rangankar sizeof(fw_ddb_entry->iscsi_name))); 60702a991c21SManish Rangankar 60712a991c21SManish Rangankar options = le16_to_cpu(fw_ddb_entry->options); 60722a991c21SManish Rangankar if (options & DDB_OPT_IPV6_DEVICE) { 60732a991c21SManish Rangankar memcpy(&boot_conn->dest_ipaddr.ip_address, 60742a991c21SManish Rangankar &fw_ddb_entry->ip_addr[0], IPv6_ADDR_LEN); 60752a991c21SManish Rangankar } else { 60762a991c21SManish Rangankar boot_conn->dest_ipaddr.ip_type = 0x1; 60772a991c21SManish Rangankar memcpy(&boot_conn->dest_ipaddr.ip_address, 60782a991c21SManish Rangankar &fw_ddb_entry->ip_addr[0], IP_ADDR_LEN); 60792a991c21SManish Rangankar } 60802a991c21SManish Rangankar 60812a991c21SManish Rangankar boot_conn->dest_port = le16_to_cpu(fw_ddb_entry->port); 60822a991c21SManish Rangankar 60832a991c21SManish Rangankar /* update chap information */ 60842a991c21SManish Rangankar idx = __le16_to_cpu(fw_ddb_entry->chap_tbl_idx); 60852a991c21SManish Rangankar 60862a991c21SManish Rangankar if (BIT_7 & le16_to_cpu(fw_ddb_entry->iscsi_options)) { 60872a991c21SManish Rangankar 60882a991c21SManish Rangankar DEBUG2(ql4_printk(KERN_INFO, ha, "Setting chap\n")); 60892a991c21SManish Rangankar 60902a991c21SManish Rangankar ret = qla4xxx_get_chap(ha, (char *)&boot_conn->chap. 60912a991c21SManish Rangankar target_chap_name, 60922a991c21SManish Rangankar (char *)&boot_conn->chap.target_secret, 60932a991c21SManish Rangankar idx); 60942a991c21SManish Rangankar if (ret) { 60952a991c21SManish Rangankar ql4_printk(KERN_ERR, ha, "Failed to set chap\n"); 60962a991c21SManish Rangankar ret = QLA_ERROR; 60972a991c21SManish Rangankar goto exit_boot_target; 60982a991c21SManish Rangankar } 60992a991c21SManish Rangankar 61002a991c21SManish Rangankar boot_conn->chap.target_chap_name_length = QL4_CHAP_MAX_NAME_LEN; 61012a991c21SManish Rangankar boot_conn->chap.target_secret_length = QL4_CHAP_MAX_SECRET_LEN; 61022a991c21SManish Rangankar } 61032a991c21SManish Rangankar 61042a991c21SManish Rangankar if (BIT_4 & le16_to_cpu(fw_ddb_entry->iscsi_options)) { 61052a991c21SManish Rangankar 61062a991c21SManish Rangankar DEBUG2(ql4_printk(KERN_INFO, ha, "Setting BIDI chap\n")); 61072a991c21SManish Rangankar 610828deb45cSLalit Chandivade ret = qla4xxx_get_bidi_chap(ha, 610928deb45cSLalit Chandivade (char *)&boot_conn->chap.intr_chap_name, 611028deb45cSLalit Chandivade (char *)&boot_conn->chap.intr_secret); 611128deb45cSLalit Chandivade 61122a991c21SManish Rangankar if (ret) { 61132a991c21SManish Rangankar ql4_printk(KERN_ERR, ha, "Failed to set BIDI chap\n"); 61142a991c21SManish Rangankar ret = QLA_ERROR; 61152a991c21SManish Rangankar goto exit_boot_target; 61162a991c21SManish Rangankar } 61172a991c21SManish Rangankar 61182a991c21SManish Rangankar boot_conn->chap.intr_chap_name_length = QL4_CHAP_MAX_NAME_LEN; 61192a991c21SManish Rangankar boot_conn->chap.intr_secret_length = QL4_CHAP_MAX_SECRET_LEN; 61202a991c21SManish Rangankar } 61212a991c21SManish Rangankar 61222a991c21SManish Rangankar exit_boot_target: 61232a991c21SManish Rangankar dma_free_coherent(&ha->pdev->dev, sizeof(*fw_ddb_entry), 61242a991c21SManish Rangankar fw_ddb_entry, fw_ddb_entry_dma); 61252a991c21SManish Rangankar return ret; 61262a991c21SManish Rangankar } 61272a991c21SManish Rangankar 61282a991c21SManish Rangankar static int qla4xxx_get_boot_info(struct scsi_qla_host *ha) 61292a991c21SManish Rangankar { 61302a991c21SManish Rangankar uint16_t ddb_index[2]; 61318de5b958SLalit Chandivade int ret = QLA_ERROR; 61328de5b958SLalit Chandivade int rval; 61332a991c21SManish Rangankar 61342a991c21SManish Rangankar memset(ddb_index, 0, sizeof(ddb_index)); 61358de5b958SLalit Chandivade ddb_index[0] = 0xffff; 61368de5b958SLalit Chandivade ddb_index[1] = 0xffff; 61372a991c21SManish Rangankar ret = get_fw_boot_info(ha, ddb_index); 61382a991c21SManish Rangankar if (ret != QLA_SUCCESS) { 6139e8fb00e0SManish Rangankar DEBUG2(ql4_printk(KERN_INFO, ha, 6140e8fb00e0SManish Rangankar "%s: No boot target configured.\n", __func__)); 61412a991c21SManish Rangankar return ret; 61422a991c21SManish Rangankar } 61432a991c21SManish Rangankar 614413483730SMike Christie if (ql4xdisablesysfsboot) 614513483730SMike Christie return QLA_SUCCESS; 614613483730SMike Christie 61478de5b958SLalit Chandivade if (ddb_index[0] == 0xffff) 61488de5b958SLalit Chandivade goto sec_target; 61498de5b958SLalit Chandivade 61508de5b958SLalit Chandivade rval = qla4xxx_get_boot_target(ha, &(ha->boot_tgt.boot_pri_sess), 61512a991c21SManish Rangankar ddb_index[0]); 61528de5b958SLalit Chandivade if (rval != QLA_SUCCESS) { 6153e8fb00e0SManish Rangankar DEBUG2(ql4_printk(KERN_INFO, ha, "%s: Primary boot target not " 6154e8fb00e0SManish Rangankar "configured\n", __func__)); 61558de5b958SLalit Chandivade } else 61568de5b958SLalit Chandivade ret = QLA_SUCCESS; 61572a991c21SManish Rangankar 61588de5b958SLalit Chandivade sec_target: 61598de5b958SLalit Chandivade if (ddb_index[1] == 0xffff) 61608de5b958SLalit Chandivade goto exit_get_boot_info; 61618de5b958SLalit Chandivade 61628de5b958SLalit Chandivade rval = qla4xxx_get_boot_target(ha, &(ha->boot_tgt.boot_sec_sess), 61632a991c21SManish Rangankar ddb_index[1]); 61648de5b958SLalit Chandivade if (rval != QLA_SUCCESS) { 6165e8fb00e0SManish Rangankar DEBUG2(ql4_printk(KERN_INFO, ha, "%s: Secondary boot target not" 6166e8fb00e0SManish Rangankar " configured\n", __func__)); 61678de5b958SLalit Chandivade } else 61688de5b958SLalit Chandivade ret = QLA_SUCCESS; 61698de5b958SLalit Chandivade 61708de5b958SLalit Chandivade exit_get_boot_info: 61712a991c21SManish Rangankar return ret; 61722a991c21SManish Rangankar } 61732a991c21SManish Rangankar 61742a991c21SManish Rangankar static int qla4xxx_setup_boot_info(struct scsi_qla_host *ha) 61752a991c21SManish Rangankar { 61762a991c21SManish Rangankar struct iscsi_boot_kobj *boot_kobj; 61772a991c21SManish Rangankar 61782a991c21SManish Rangankar if (qla4xxx_get_boot_info(ha) != QLA_SUCCESS) 617913483730SMike Christie return QLA_ERROR; 618013483730SMike Christie 618113483730SMike Christie if (ql4xdisablesysfsboot) { 618213483730SMike Christie ql4_printk(KERN_INFO, ha, 618313483730SMike Christie "%s: syfsboot disabled - driver will trigger login " 618413483730SMike Christie "and publish session for discovery .\n", __func__); 618513483730SMike Christie return QLA_SUCCESS; 618613483730SMike Christie } 618713483730SMike Christie 61882a991c21SManish Rangankar 61892a991c21SManish Rangankar ha->boot_kset = iscsi_boot_create_host_kset(ha->host->host_no); 61902a991c21SManish Rangankar if (!ha->boot_kset) 61912a991c21SManish Rangankar goto kset_free; 61922a991c21SManish Rangankar 61932a991c21SManish Rangankar if (!scsi_host_get(ha->host)) 61942a991c21SManish Rangankar goto kset_free; 61952a991c21SManish Rangankar boot_kobj = iscsi_boot_create_target(ha->boot_kset, 0, ha, 61962a991c21SManish Rangankar qla4xxx_show_boot_tgt_pri_info, 61972a991c21SManish Rangankar qla4xxx_tgt_get_attr_visibility, 61982a991c21SManish Rangankar qla4xxx_boot_release); 61992a991c21SManish Rangankar if (!boot_kobj) 62002a991c21SManish Rangankar goto put_host; 62012a991c21SManish Rangankar 62022a991c21SManish Rangankar if (!scsi_host_get(ha->host)) 62032a991c21SManish Rangankar goto kset_free; 62042a991c21SManish Rangankar boot_kobj = iscsi_boot_create_target(ha->boot_kset, 1, ha, 62052a991c21SManish Rangankar qla4xxx_show_boot_tgt_sec_info, 62062a991c21SManish Rangankar qla4xxx_tgt_get_attr_visibility, 62072a991c21SManish Rangankar qla4xxx_boot_release); 62082a991c21SManish Rangankar if (!boot_kobj) 62092a991c21SManish Rangankar goto put_host; 62102a991c21SManish Rangankar 62112a991c21SManish Rangankar if (!scsi_host_get(ha->host)) 62122a991c21SManish Rangankar goto kset_free; 62132a991c21SManish Rangankar boot_kobj = iscsi_boot_create_initiator(ha->boot_kset, 0, ha, 62142a991c21SManish Rangankar qla4xxx_show_boot_ini_info, 62152a991c21SManish Rangankar qla4xxx_ini_get_attr_visibility, 62162a991c21SManish Rangankar qla4xxx_boot_release); 62172a991c21SManish Rangankar if (!boot_kobj) 62182a991c21SManish Rangankar goto put_host; 62192a991c21SManish Rangankar 62202a991c21SManish Rangankar if (!scsi_host_get(ha->host)) 62212a991c21SManish Rangankar goto kset_free; 62222a991c21SManish Rangankar boot_kobj = iscsi_boot_create_ethernet(ha->boot_kset, 0, ha, 62232a991c21SManish Rangankar qla4xxx_show_boot_eth_info, 62242a991c21SManish Rangankar qla4xxx_eth_get_attr_visibility, 62252a991c21SManish Rangankar qla4xxx_boot_release); 62262a991c21SManish Rangankar if (!boot_kobj) 62272a991c21SManish Rangankar goto put_host; 62282a991c21SManish Rangankar 622913483730SMike Christie return QLA_SUCCESS; 62302a991c21SManish Rangankar 62312a991c21SManish Rangankar put_host: 62322a991c21SManish Rangankar scsi_host_put(ha->host); 62332a991c21SManish Rangankar kset_free: 62342a991c21SManish Rangankar iscsi_boot_destroy_kset(ha->boot_kset); 62352a991c21SManish Rangankar return -ENOMEM; 62362a991c21SManish Rangankar } 62372a991c21SManish Rangankar 62384549415aSLalit Chandivade 623913483730SMike Christie static void qla4xxx_get_param_ddb(struct ddb_entry *ddb_entry, 624013483730SMike Christie struct ql4_tuple_ddb *tddb) 624113483730SMike Christie { 624213483730SMike Christie struct scsi_qla_host *ha; 624313483730SMike Christie struct iscsi_cls_session *cls_sess; 624413483730SMike Christie struct iscsi_cls_conn *cls_conn; 624513483730SMike Christie struct iscsi_session *sess; 624613483730SMike Christie struct iscsi_conn *conn; 624713483730SMike Christie 624813483730SMike Christie DEBUG2(printk(KERN_INFO "Func: %s\n", __func__)); 624913483730SMike Christie ha = ddb_entry->ha; 625013483730SMike Christie cls_sess = ddb_entry->sess; 625113483730SMike Christie sess = cls_sess->dd_data; 625213483730SMike Christie cls_conn = ddb_entry->conn; 625313483730SMike Christie conn = cls_conn->dd_data; 625413483730SMike Christie 625513483730SMike Christie tddb->tpgt = sess->tpgt; 625613483730SMike Christie tddb->port = conn->persistent_port; 6257bdbb9662SRickard Strandqvist strlcpy(tddb->iscsi_name, sess->targetname, ISCSI_NAME_SIZE); 6258bdbb9662SRickard Strandqvist strlcpy(tddb->ip_addr, conn->persistent_address, DDB_IPADDR_LEN); 625913483730SMike Christie } 626013483730SMike Christie 626113483730SMike Christie static void qla4xxx_convert_param_ddb(struct dev_db_entry *fw_ddb_entry, 62621cb78d73SVikas Chaudhary struct ql4_tuple_ddb *tddb, 62631cb78d73SVikas Chaudhary uint8_t *flash_isid) 626413483730SMike Christie { 626513483730SMike Christie uint16_t options = 0; 626613483730SMike Christie 626713483730SMike Christie tddb->tpgt = le32_to_cpu(fw_ddb_entry->tgt_portal_grp); 626813483730SMike Christie memcpy(&tddb->iscsi_name[0], &fw_ddb_entry->iscsi_name[0], 626913483730SMike Christie min(sizeof(tddb->iscsi_name), sizeof(fw_ddb_entry->iscsi_name))); 627013483730SMike Christie 627113483730SMike Christie options = le16_to_cpu(fw_ddb_entry->options); 627213483730SMike Christie if (options & DDB_OPT_IPV6_DEVICE) 627313483730SMike Christie sprintf(tddb->ip_addr, "%pI6", fw_ddb_entry->ip_addr); 627413483730SMike Christie else 627513483730SMike Christie sprintf(tddb->ip_addr, "%pI4", fw_ddb_entry->ip_addr); 627613483730SMike Christie 627713483730SMike Christie tddb->port = le16_to_cpu(fw_ddb_entry->port); 62781cb78d73SVikas Chaudhary 62791cb78d73SVikas Chaudhary if (flash_isid == NULL) 62801cb78d73SVikas Chaudhary memcpy(&tddb->isid[0], &fw_ddb_entry->isid[0], 62811cb78d73SVikas Chaudhary sizeof(tddb->isid)); 62821cb78d73SVikas Chaudhary else 62831cb78d73SVikas Chaudhary memcpy(&tddb->isid[0], &flash_isid[0], sizeof(tddb->isid)); 628413483730SMike Christie } 628513483730SMike Christie 628613483730SMike Christie static int qla4xxx_compare_tuple_ddb(struct scsi_qla_host *ha, 628713483730SMike Christie struct ql4_tuple_ddb *old_tddb, 6288173269efSManish Rangankar struct ql4_tuple_ddb *new_tddb, 6289173269efSManish Rangankar uint8_t is_isid_compare) 629013483730SMike Christie { 629113483730SMike Christie if (strcmp(old_tddb->iscsi_name, new_tddb->iscsi_name)) 629213483730SMike Christie return QLA_ERROR; 629313483730SMike Christie 629413483730SMike Christie if (strcmp(old_tddb->ip_addr, new_tddb->ip_addr)) 629513483730SMike Christie return QLA_ERROR; 629613483730SMike Christie 629713483730SMike Christie if (old_tddb->port != new_tddb->port) 629813483730SMike Christie return QLA_ERROR; 629913483730SMike Christie 6300173269efSManish Rangankar /* For multi sessions, driver generates the ISID, so do not compare 630159e13d48SMasanari Iida * ISID in reset path since it would be a comparison between the 6302173269efSManish Rangankar * driver generated ISID and firmware generated ISID. This could 6303173269efSManish Rangankar * lead to adding duplicated DDBs in the list as driver generated 6304173269efSManish Rangankar * ISID would not match firmware generated ISID. 6305173269efSManish Rangankar */ 6306173269efSManish Rangankar if (is_isid_compare) { 6307d1d81bd0SOleksandr Khoshaba DEBUG2(ql4_printk(KERN_INFO, ha, 6308d1d81bd0SOleksandr Khoshaba "%s: old ISID [%pmR] New ISID [%pmR]\n", 6309d1d81bd0SOleksandr Khoshaba __func__, old_tddb->isid, new_tddb->isid)); 6310173269efSManish Rangankar 6311173269efSManish Rangankar if (memcmp(&old_tddb->isid[0], &new_tddb->isid[0], 6312173269efSManish Rangankar sizeof(old_tddb->isid))) 6313173269efSManish Rangankar return QLA_ERROR; 6314173269efSManish Rangankar } 6315173269efSManish Rangankar 631613483730SMike Christie DEBUG2(ql4_printk(KERN_INFO, ha, 631713483730SMike Christie "Match Found, fw[%d,%d,%s,%s], [%d,%d,%s,%s]", 631813483730SMike Christie old_tddb->port, old_tddb->tpgt, old_tddb->ip_addr, 631913483730SMike Christie old_tddb->iscsi_name, new_tddb->port, new_tddb->tpgt, 632013483730SMike Christie new_tddb->ip_addr, new_tddb->iscsi_name)); 632113483730SMike Christie 632213483730SMike Christie return QLA_SUCCESS; 632313483730SMike Christie } 632413483730SMike Christie 632513483730SMike Christie static int qla4xxx_is_session_exists(struct scsi_qla_host *ha, 6326ad8bd45eSManish Rangankar struct dev_db_entry *fw_ddb_entry, 6327ad8bd45eSManish Rangankar uint32_t *index) 632813483730SMike Christie { 632913483730SMike Christie struct ddb_entry *ddb_entry; 633013483730SMike Christie struct ql4_tuple_ddb *fw_tddb = NULL; 633113483730SMike Christie struct ql4_tuple_ddb *tmp_tddb = NULL; 633213483730SMike Christie int idx; 633313483730SMike Christie int ret = QLA_ERROR; 633413483730SMike Christie 633513483730SMike Christie fw_tddb = vzalloc(sizeof(*fw_tddb)); 633613483730SMike Christie if (!fw_tddb) { 633713483730SMike Christie DEBUG2(ql4_printk(KERN_WARNING, ha, 633813483730SMike Christie "Memory Allocation failed.\n")); 633913483730SMike Christie ret = QLA_SUCCESS; 634013483730SMike Christie goto exit_check; 634113483730SMike Christie } 634213483730SMike Christie 634313483730SMike Christie tmp_tddb = vzalloc(sizeof(*tmp_tddb)); 634413483730SMike Christie if (!tmp_tddb) { 634513483730SMike Christie DEBUG2(ql4_printk(KERN_WARNING, ha, 634613483730SMike Christie "Memory Allocation failed.\n")); 634713483730SMike Christie ret = QLA_SUCCESS; 634813483730SMike Christie goto exit_check; 634913483730SMike Christie } 635013483730SMike Christie 63511cb78d73SVikas Chaudhary qla4xxx_convert_param_ddb(fw_ddb_entry, fw_tddb, NULL); 635213483730SMike Christie 635313483730SMike Christie for (idx = 0; idx < MAX_DDB_ENTRIES; idx++) { 635413483730SMike Christie ddb_entry = qla4xxx_lookup_ddb_by_fw_index(ha, idx); 635513483730SMike Christie if (ddb_entry == NULL) 635613483730SMike Christie continue; 635713483730SMike Christie 635813483730SMike Christie qla4xxx_get_param_ddb(ddb_entry, tmp_tddb); 6359173269efSManish Rangankar if (!qla4xxx_compare_tuple_ddb(ha, fw_tddb, tmp_tddb, false)) { 636013483730SMike Christie ret = QLA_SUCCESS; /* found */ 6361ad8bd45eSManish Rangankar if (index != NULL) 6362ad8bd45eSManish Rangankar *index = idx; 636313483730SMike Christie goto exit_check; 636413483730SMike Christie } 636513483730SMike Christie } 636613483730SMike Christie 636713483730SMike Christie exit_check: 636813483730SMike Christie if (fw_tddb) 636913483730SMike Christie vfree(fw_tddb); 637013483730SMike Christie if (tmp_tddb) 637113483730SMike Christie vfree(tmp_tddb); 637213483730SMike Christie return ret; 637313483730SMike Christie } 637413483730SMike Christie 63751cb78d73SVikas Chaudhary /** 63761cb78d73SVikas Chaudhary * qla4xxx_check_existing_isid - check if target with same isid exist 63771cb78d73SVikas Chaudhary * in target list 63781cb78d73SVikas Chaudhary * @list_nt: list of target 63791cb78d73SVikas Chaudhary * @isid: isid to check 63801cb78d73SVikas Chaudhary * 63811cb78d73SVikas Chaudhary * This routine return QLA_SUCCESS if target with same isid exist 63821cb78d73SVikas Chaudhary **/ 63831cb78d73SVikas Chaudhary static int qla4xxx_check_existing_isid(struct list_head *list_nt, uint8_t *isid) 63841cb78d73SVikas Chaudhary { 63851cb78d73SVikas Chaudhary struct qla_ddb_index *nt_ddb_idx, *nt_ddb_idx_tmp; 63861cb78d73SVikas Chaudhary struct dev_db_entry *fw_ddb_entry; 63871cb78d73SVikas Chaudhary 63881cb78d73SVikas Chaudhary list_for_each_entry_safe(nt_ddb_idx, nt_ddb_idx_tmp, list_nt, list) { 63891cb78d73SVikas Chaudhary fw_ddb_entry = &nt_ddb_idx->fw_ddb; 63901cb78d73SVikas Chaudhary 63911cb78d73SVikas Chaudhary if (memcmp(&fw_ddb_entry->isid[0], &isid[0], 63921cb78d73SVikas Chaudhary sizeof(nt_ddb_idx->fw_ddb.isid)) == 0) { 63931cb78d73SVikas Chaudhary return QLA_SUCCESS; 63941cb78d73SVikas Chaudhary } 63951cb78d73SVikas Chaudhary } 63961cb78d73SVikas Chaudhary return QLA_ERROR; 63971cb78d73SVikas Chaudhary } 63981cb78d73SVikas Chaudhary 63991cb78d73SVikas Chaudhary /** 64001cb78d73SVikas Chaudhary * qla4xxx_update_isid - compare ddbs and updated isid 64011cb78d73SVikas Chaudhary * @ha: Pointer to host adapter structure. 64021cb78d73SVikas Chaudhary * @list_nt: list of nt target 64031cb78d73SVikas Chaudhary * @fw_ddb_entry: firmware ddb entry 64041cb78d73SVikas Chaudhary * 64051cb78d73SVikas Chaudhary * This routine update isid if ddbs have same iqn, same isid and 64061cb78d73SVikas Chaudhary * different IP addr. 64071cb78d73SVikas Chaudhary * Return QLA_SUCCESS if isid is updated. 64081cb78d73SVikas Chaudhary **/ 64091cb78d73SVikas Chaudhary static int qla4xxx_update_isid(struct scsi_qla_host *ha, 64101cb78d73SVikas Chaudhary struct list_head *list_nt, 64111cb78d73SVikas Chaudhary struct dev_db_entry *fw_ddb_entry) 64121cb78d73SVikas Chaudhary { 64131cb78d73SVikas Chaudhary uint8_t base_value, i; 64141cb78d73SVikas Chaudhary 64151cb78d73SVikas Chaudhary base_value = fw_ddb_entry->isid[1] & 0x1f; 64161cb78d73SVikas Chaudhary for (i = 0; i < 8; i++) { 64171cb78d73SVikas Chaudhary fw_ddb_entry->isid[1] = (base_value | (i << 5)); 64181cb78d73SVikas Chaudhary if (qla4xxx_check_existing_isid(list_nt, fw_ddb_entry->isid)) 64191cb78d73SVikas Chaudhary break; 64201cb78d73SVikas Chaudhary } 64211cb78d73SVikas Chaudhary 64221cb78d73SVikas Chaudhary if (!qla4xxx_check_existing_isid(list_nt, fw_ddb_entry->isid)) 64231cb78d73SVikas Chaudhary return QLA_ERROR; 64241cb78d73SVikas Chaudhary 64251cb78d73SVikas Chaudhary return QLA_SUCCESS; 64261cb78d73SVikas Chaudhary } 64271cb78d73SVikas Chaudhary 64281cb78d73SVikas Chaudhary /** 64291cb78d73SVikas Chaudhary * qla4xxx_should_update_isid - check if isid need to update 64301cb78d73SVikas Chaudhary * @ha: Pointer to host adapter structure. 64311cb78d73SVikas Chaudhary * @old_tddb: ddb tuple 64321cb78d73SVikas Chaudhary * @new_tddb: ddb tuple 64331cb78d73SVikas Chaudhary * 64341cb78d73SVikas Chaudhary * Return QLA_SUCCESS if different IP, different PORT, same iqn, 64351cb78d73SVikas Chaudhary * same isid 64361cb78d73SVikas Chaudhary **/ 64371cb78d73SVikas Chaudhary static int qla4xxx_should_update_isid(struct scsi_qla_host *ha, 64381cb78d73SVikas Chaudhary struct ql4_tuple_ddb *old_tddb, 64391cb78d73SVikas Chaudhary struct ql4_tuple_ddb *new_tddb) 64401cb78d73SVikas Chaudhary { 64411cb78d73SVikas Chaudhary if (strcmp(old_tddb->ip_addr, new_tddb->ip_addr) == 0) { 64421cb78d73SVikas Chaudhary /* Same ip */ 64431cb78d73SVikas Chaudhary if (old_tddb->port == new_tddb->port) 64441cb78d73SVikas Chaudhary return QLA_ERROR; 64451cb78d73SVikas Chaudhary } 64461cb78d73SVikas Chaudhary 64471cb78d73SVikas Chaudhary if (strcmp(old_tddb->iscsi_name, new_tddb->iscsi_name)) 64481cb78d73SVikas Chaudhary /* different iqn */ 64491cb78d73SVikas Chaudhary return QLA_ERROR; 64501cb78d73SVikas Chaudhary 64511cb78d73SVikas Chaudhary if (memcmp(&old_tddb->isid[0], &new_tddb->isid[0], 64521cb78d73SVikas Chaudhary sizeof(old_tddb->isid))) 64531cb78d73SVikas Chaudhary /* different isid */ 64541cb78d73SVikas Chaudhary return QLA_ERROR; 64551cb78d73SVikas Chaudhary 64561cb78d73SVikas Chaudhary return QLA_SUCCESS; 64571cb78d73SVikas Chaudhary } 64581cb78d73SVikas Chaudhary 64591cb78d73SVikas Chaudhary /** 64601cb78d73SVikas Chaudhary * qla4xxx_is_flash_ddb_exists - check if fw_ddb_entry already exists in list_nt 64611cb78d73SVikas Chaudhary * @ha: Pointer to host adapter structure. 64621cb78d73SVikas Chaudhary * @list_nt: list of nt target. 64631cb78d73SVikas Chaudhary * @fw_ddb_entry: firmware ddb entry. 64641cb78d73SVikas Chaudhary * 64651cb78d73SVikas Chaudhary * This routine check if fw_ddb_entry already exists in list_nt to avoid 64661cb78d73SVikas Chaudhary * duplicate ddb in list_nt. 64671cb78d73SVikas Chaudhary * Return QLA_SUCCESS if duplicate ddb exit in list_nl. 64681cb78d73SVikas Chaudhary * Note: This function also update isid of DDB if required. 64691cb78d73SVikas Chaudhary **/ 64701cb78d73SVikas Chaudhary 647113483730SMike Christie static int qla4xxx_is_flash_ddb_exists(struct scsi_qla_host *ha, 647213483730SMike Christie struct list_head *list_nt, 647313483730SMike Christie struct dev_db_entry *fw_ddb_entry) 647413483730SMike Christie { 647513483730SMike Christie struct qla_ddb_index *nt_ddb_idx, *nt_ddb_idx_tmp; 647613483730SMike Christie struct ql4_tuple_ddb *fw_tddb = NULL; 647713483730SMike Christie struct ql4_tuple_ddb *tmp_tddb = NULL; 64781cb78d73SVikas Chaudhary int rval, ret = QLA_ERROR; 647913483730SMike Christie 648013483730SMike Christie fw_tddb = vzalloc(sizeof(*fw_tddb)); 648113483730SMike Christie if (!fw_tddb) { 648213483730SMike Christie DEBUG2(ql4_printk(KERN_WARNING, ha, 648313483730SMike Christie "Memory Allocation failed.\n")); 648413483730SMike Christie ret = QLA_SUCCESS; 648513483730SMike Christie goto exit_check; 648613483730SMike Christie } 648713483730SMike Christie 648813483730SMike Christie tmp_tddb = vzalloc(sizeof(*tmp_tddb)); 648913483730SMike Christie if (!tmp_tddb) { 649013483730SMike Christie DEBUG2(ql4_printk(KERN_WARNING, ha, 649113483730SMike Christie "Memory Allocation failed.\n")); 649213483730SMike Christie ret = QLA_SUCCESS; 649313483730SMike Christie goto exit_check; 649413483730SMike Christie } 649513483730SMike Christie 64961cb78d73SVikas Chaudhary qla4xxx_convert_param_ddb(fw_ddb_entry, fw_tddb, NULL); 649713483730SMike Christie 649813483730SMike Christie list_for_each_entry_safe(nt_ddb_idx, nt_ddb_idx_tmp, list_nt, list) { 64991cb78d73SVikas Chaudhary qla4xxx_convert_param_ddb(&nt_ddb_idx->fw_ddb, tmp_tddb, 65001cb78d73SVikas Chaudhary nt_ddb_idx->flash_isid); 65011cb78d73SVikas Chaudhary ret = qla4xxx_compare_tuple_ddb(ha, fw_tddb, tmp_tddb, true); 65021cb78d73SVikas Chaudhary /* found duplicate ddb */ 65031cb78d73SVikas Chaudhary if (ret == QLA_SUCCESS) 65041cb78d73SVikas Chaudhary goto exit_check; 65051cb78d73SVikas Chaudhary } 65061cb78d73SVikas Chaudhary 65071cb78d73SVikas Chaudhary list_for_each_entry_safe(nt_ddb_idx, nt_ddb_idx_tmp, list_nt, list) { 65081cb78d73SVikas Chaudhary qla4xxx_convert_param_ddb(&nt_ddb_idx->fw_ddb, tmp_tddb, NULL); 65091cb78d73SVikas Chaudhary 65101cb78d73SVikas Chaudhary ret = qla4xxx_should_update_isid(ha, tmp_tddb, fw_tddb); 65111cb78d73SVikas Chaudhary if (ret == QLA_SUCCESS) { 65121cb78d73SVikas Chaudhary rval = qla4xxx_update_isid(ha, list_nt, fw_ddb_entry); 65131cb78d73SVikas Chaudhary if (rval == QLA_SUCCESS) 65141cb78d73SVikas Chaudhary ret = QLA_ERROR; 65151cb78d73SVikas Chaudhary else 65161cb78d73SVikas Chaudhary ret = QLA_SUCCESS; 65171cb78d73SVikas Chaudhary 651813483730SMike Christie goto exit_check; 651913483730SMike Christie } 652013483730SMike Christie } 652113483730SMike Christie 652213483730SMike Christie exit_check: 652313483730SMike Christie if (fw_tddb) 652413483730SMike Christie vfree(fw_tddb); 652513483730SMike Christie if (tmp_tddb) 652613483730SMike Christie vfree(tmp_tddb); 652713483730SMike Christie return ret; 652813483730SMike Christie } 652913483730SMike Christie 65304a4bc2e9SLalit Chandivade static void qla4xxx_free_ddb_list(struct list_head *list_ddb) 653113483730SMike Christie { 65324a4bc2e9SLalit Chandivade struct qla_ddb_index *ddb_idx, *ddb_idx_tmp; 653313483730SMike Christie 65344a4bc2e9SLalit Chandivade list_for_each_entry_safe(ddb_idx, ddb_idx_tmp, list_ddb, list) { 65354a4bc2e9SLalit Chandivade list_del_init(&ddb_idx->list); 65364a4bc2e9SLalit Chandivade vfree(ddb_idx); 653713483730SMike Christie } 653813483730SMike Christie } 653913483730SMike Christie 654013483730SMike Christie static struct iscsi_endpoint *qla4xxx_get_ep_fwdb(struct scsi_qla_host *ha, 654113483730SMike Christie struct dev_db_entry *fw_ddb_entry) 654213483730SMike Christie { 654313483730SMike Christie struct iscsi_endpoint *ep; 654413483730SMike Christie struct sockaddr_in *addr; 654513483730SMike Christie struct sockaddr_in6 *addr6; 65463dd4849cSManish Rangankar struct sockaddr *t_addr; 65473dd4849cSManish Rangankar struct sockaddr_storage *dst_addr; 654813483730SMike Christie char *ip; 654913483730SMike Christie 655013483730SMike Christie /* TODO: need to destroy on unload iscsi_endpoint*/ 655113483730SMike Christie dst_addr = vmalloc(sizeof(*dst_addr)); 655213483730SMike Christie if (!dst_addr) 655313483730SMike Christie return NULL; 655413483730SMike Christie 655513483730SMike Christie if (fw_ddb_entry->options & DDB_OPT_IPV6_DEVICE) { 65563dd4849cSManish Rangankar t_addr = (struct sockaddr *)dst_addr; 65573dd4849cSManish Rangankar t_addr->sa_family = AF_INET6; 655813483730SMike Christie addr6 = (struct sockaddr_in6 *)dst_addr; 655913483730SMike Christie ip = (char *)&addr6->sin6_addr; 656013483730SMike Christie memcpy(ip, fw_ddb_entry->ip_addr, IPv6_ADDR_LEN); 656113483730SMike Christie addr6->sin6_port = htons(le16_to_cpu(fw_ddb_entry->port)); 656213483730SMike Christie 656313483730SMike Christie } else { 65643dd4849cSManish Rangankar t_addr = (struct sockaddr *)dst_addr; 65653dd4849cSManish Rangankar t_addr->sa_family = AF_INET; 656613483730SMike Christie addr = (struct sockaddr_in *)dst_addr; 656713483730SMike Christie ip = (char *)&addr->sin_addr; 656813483730SMike Christie memcpy(ip, fw_ddb_entry->ip_addr, IP_ADDR_LEN); 656913483730SMike Christie addr->sin_port = htons(le16_to_cpu(fw_ddb_entry->port)); 657013483730SMike Christie } 657113483730SMike Christie 65723dd4849cSManish Rangankar ep = qla4xxx_ep_connect(ha->host, (struct sockaddr *)dst_addr, 0); 657313483730SMike Christie vfree(dst_addr); 657413483730SMike Christie return ep; 657513483730SMike Christie } 657613483730SMike Christie 657713483730SMike Christie static int qla4xxx_verify_boot_idx(struct scsi_qla_host *ha, uint16_t idx) 657813483730SMike Christie { 657913483730SMike Christie if (ql4xdisablesysfsboot) 658013483730SMike Christie return QLA_SUCCESS; 658113483730SMike Christie if (idx == ha->pri_ddb_idx || idx == ha->sec_ddb_idx) 658213483730SMike Christie return QLA_ERROR; 658313483730SMike Christie return QLA_SUCCESS; 658413483730SMike Christie } 658513483730SMike Christie 658613483730SMike Christie static void qla4xxx_setup_flash_ddb_entry(struct scsi_qla_host *ha, 65871dc8ed5dSManish Rangankar struct ddb_entry *ddb_entry, 65881dc8ed5dSManish Rangankar uint16_t idx) 658913483730SMike Christie { 6590c28eaacaSNilesh Javali uint16_t def_timeout; 6591c28eaacaSNilesh Javali 659213483730SMike Christie ddb_entry->ddb_type = FLASH_DDB; 659313483730SMike Christie ddb_entry->fw_ddb_index = INVALID_ENTRY; 659413483730SMike Christie ddb_entry->fw_ddb_device_state = DDB_DS_NO_CONNECTION_ACTIVE; 659513483730SMike Christie ddb_entry->ha = ha; 659613483730SMike Christie ddb_entry->unblock_sess = qla4xxx_unblock_flash_ddb; 659713483730SMike Christie ddb_entry->ddb_change = qla4xxx_flash_ddb_change; 6598946ac571SAdheer Chandravanshi ddb_entry->chap_tbl_idx = INVALID_ENTRY; 659913483730SMike Christie 660013483730SMike Christie atomic_set(&ddb_entry->retry_relogin_timer, INVALID_ENTRY); 660113483730SMike Christie atomic_set(&ddb_entry->relogin_timer, 0); 660213483730SMike Christie atomic_set(&ddb_entry->relogin_retry_count, 0); 6603c28eaacaSNilesh Javali def_timeout = le16_to_cpu(ddb_entry->fw_ddb_entry.def_timeout); 660413483730SMike Christie ddb_entry->default_relogin_timeout = 6605c28eaacaSNilesh Javali (def_timeout > LOGIN_TOV) && (def_timeout < LOGIN_TOV * 10) ? 6606c28eaacaSNilesh Javali def_timeout : LOGIN_TOV; 660713483730SMike Christie ddb_entry->default_time2wait = 660813483730SMike Christie le16_to_cpu(ddb_entry->fw_ddb_entry.iscsi_def_time2wait); 66091dc8ed5dSManish Rangankar 66101dc8ed5dSManish Rangankar if (ql4xdisablesysfsboot && 66111dc8ed5dSManish Rangankar (idx == ha->pri_ddb_idx || idx == ha->sec_ddb_idx)) 66121dc8ed5dSManish Rangankar set_bit(DF_BOOT_TGT, &ddb_entry->flags); 661313483730SMike Christie } 661413483730SMike Christie 661513483730SMike Christie static void qla4xxx_wait_for_ip_configuration(struct scsi_qla_host *ha) 661613483730SMike Christie { 661713483730SMike Christie uint32_t idx = 0; 661813483730SMike Christie uint32_t ip_idx[IP_ADDR_COUNT] = {0, 1, 2, 3}; /* 4 IP interfaces */ 661913483730SMike Christie uint32_t sts[MBOX_REG_COUNT]; 662013483730SMike Christie uint32_t ip_state; 662113483730SMike Christie unsigned long wtime; 662213483730SMike Christie int ret; 662313483730SMike Christie 662413483730SMike Christie wtime = jiffies + (HZ * IP_CONFIG_TOV); 662513483730SMike Christie do { 662613483730SMike Christie for (idx = 0; idx < IP_ADDR_COUNT; idx++) { 662713483730SMike Christie if (ip_idx[idx] == -1) 662813483730SMike Christie continue; 662913483730SMike Christie 663013483730SMike Christie ret = qla4xxx_get_ip_state(ha, 0, ip_idx[idx], sts); 663113483730SMike Christie 663213483730SMike Christie if (ret == QLA_ERROR) { 663313483730SMike Christie ip_idx[idx] = -1; 663413483730SMike Christie continue; 663513483730SMike Christie } 663613483730SMike Christie 663713483730SMike Christie ip_state = (sts[1] & IP_STATE_MASK) >> IP_STATE_SHIFT; 663813483730SMike Christie 663913483730SMike Christie DEBUG2(ql4_printk(KERN_INFO, ha, 664013483730SMike Christie "Waiting for IP state for idx = %d, state = 0x%x\n", 664113483730SMike Christie ip_idx[idx], ip_state)); 664213483730SMike Christie if (ip_state == IP_ADDRSTATE_UNCONFIGURED || 664313483730SMike Christie ip_state == IP_ADDRSTATE_INVALID || 664413483730SMike Christie ip_state == IP_ADDRSTATE_PREFERRED || 664513483730SMike Christie ip_state == IP_ADDRSTATE_DEPRICATED || 664613483730SMike Christie ip_state == IP_ADDRSTATE_DISABLING) 664713483730SMike Christie ip_idx[idx] = -1; 664813483730SMike Christie } 664913483730SMike Christie 665013483730SMike Christie /* Break if all IP states checked */ 665113483730SMike Christie if ((ip_idx[0] == -1) && 665213483730SMike Christie (ip_idx[1] == -1) && 665313483730SMike Christie (ip_idx[2] == -1) && 665413483730SMike Christie (ip_idx[3] == -1)) 665513483730SMike Christie break; 665613483730SMike Christie schedule_timeout_uninterruptible(HZ); 665713483730SMike Christie } while (time_after(wtime, jiffies)); 665813483730SMike Christie } 665913483730SMike Christie 6660ad8bd45eSManish Rangankar static int qla4xxx_cmp_fw_stentry(struct dev_db_entry *fw_ddb_entry, 6661ad8bd45eSManish Rangankar struct dev_db_entry *flash_ddb_entry) 6662ad8bd45eSManish Rangankar { 6663ad8bd45eSManish Rangankar uint16_t options = 0; 6664ad8bd45eSManish Rangankar size_t ip_len = IP_ADDR_LEN; 6665ad8bd45eSManish Rangankar 6666ad8bd45eSManish Rangankar options = le16_to_cpu(fw_ddb_entry->options); 6667ad8bd45eSManish Rangankar if (options & DDB_OPT_IPV6_DEVICE) 6668ad8bd45eSManish Rangankar ip_len = IPv6_ADDR_LEN; 6669ad8bd45eSManish Rangankar 6670ad8bd45eSManish Rangankar if (memcmp(fw_ddb_entry->ip_addr, flash_ddb_entry->ip_addr, ip_len)) 6671ad8bd45eSManish Rangankar return QLA_ERROR; 6672ad8bd45eSManish Rangankar 6673ad8bd45eSManish Rangankar if (memcmp(&fw_ddb_entry->isid[0], &flash_ddb_entry->isid[0], 6674ad8bd45eSManish Rangankar sizeof(fw_ddb_entry->isid))) 6675ad8bd45eSManish Rangankar return QLA_ERROR; 6676ad8bd45eSManish Rangankar 6677ad8bd45eSManish Rangankar if (memcmp(&fw_ddb_entry->port, &flash_ddb_entry->port, 6678ad8bd45eSManish Rangankar sizeof(fw_ddb_entry->port))) 6679ad8bd45eSManish Rangankar return QLA_ERROR; 6680ad8bd45eSManish Rangankar 6681ad8bd45eSManish Rangankar return QLA_SUCCESS; 6682ad8bd45eSManish Rangankar } 6683ad8bd45eSManish Rangankar 6684ad8bd45eSManish Rangankar static int qla4xxx_find_flash_st_idx(struct scsi_qla_host *ha, 6685ad8bd45eSManish Rangankar struct dev_db_entry *fw_ddb_entry, 6686ad8bd45eSManish Rangankar uint32_t fw_idx, uint32_t *flash_index) 6687ad8bd45eSManish Rangankar { 6688ad8bd45eSManish Rangankar struct dev_db_entry *flash_ddb_entry; 6689ad8bd45eSManish Rangankar dma_addr_t flash_ddb_entry_dma; 6690ad8bd45eSManish Rangankar uint32_t idx = 0; 6691ad8bd45eSManish Rangankar int max_ddbs; 6692ad8bd45eSManish Rangankar int ret = QLA_ERROR, status; 6693ad8bd45eSManish Rangankar 6694ad8bd45eSManish Rangankar max_ddbs = is_qla40XX(ha) ? MAX_DEV_DB_ENTRIES_40XX : 6695ad8bd45eSManish Rangankar MAX_DEV_DB_ENTRIES; 6696ad8bd45eSManish Rangankar 6697ad8bd45eSManish Rangankar flash_ddb_entry = dma_pool_alloc(ha->fw_ddb_dma_pool, GFP_KERNEL, 6698ad8bd45eSManish Rangankar &flash_ddb_entry_dma); 6699ad8bd45eSManish Rangankar if (flash_ddb_entry == NULL || fw_ddb_entry == NULL) { 6700ad8bd45eSManish Rangankar ql4_printk(KERN_ERR, ha, "Out of memory\n"); 6701ad8bd45eSManish Rangankar goto exit_find_st_idx; 6702ad8bd45eSManish Rangankar } 6703ad8bd45eSManish Rangankar 6704ad8bd45eSManish Rangankar status = qla4xxx_flashdb_by_index(ha, flash_ddb_entry, 6705ad8bd45eSManish Rangankar flash_ddb_entry_dma, fw_idx); 6706ad8bd45eSManish Rangankar if (status == QLA_SUCCESS) { 6707ad8bd45eSManish Rangankar status = qla4xxx_cmp_fw_stentry(fw_ddb_entry, flash_ddb_entry); 6708ad8bd45eSManish Rangankar if (status == QLA_SUCCESS) { 6709ad8bd45eSManish Rangankar *flash_index = fw_idx; 6710ad8bd45eSManish Rangankar ret = QLA_SUCCESS; 6711ad8bd45eSManish Rangankar goto exit_find_st_idx; 6712ad8bd45eSManish Rangankar } 6713ad8bd45eSManish Rangankar } 6714ad8bd45eSManish Rangankar 6715ad8bd45eSManish Rangankar for (idx = 0; idx < max_ddbs; idx++) { 6716ad8bd45eSManish Rangankar status = qla4xxx_flashdb_by_index(ha, flash_ddb_entry, 6717ad8bd45eSManish Rangankar flash_ddb_entry_dma, idx); 6718ad8bd45eSManish Rangankar if (status == QLA_ERROR) 6719ad8bd45eSManish Rangankar continue; 6720ad8bd45eSManish Rangankar 6721ad8bd45eSManish Rangankar status = qla4xxx_cmp_fw_stentry(fw_ddb_entry, flash_ddb_entry); 6722ad8bd45eSManish Rangankar if (status == QLA_SUCCESS) { 6723ad8bd45eSManish Rangankar *flash_index = idx; 6724ad8bd45eSManish Rangankar ret = QLA_SUCCESS; 6725ad8bd45eSManish Rangankar goto exit_find_st_idx; 6726ad8bd45eSManish Rangankar } 6727ad8bd45eSManish Rangankar } 6728ad8bd45eSManish Rangankar 6729ad8bd45eSManish Rangankar if (idx == max_ddbs) 6730ad8bd45eSManish Rangankar ql4_printk(KERN_ERR, ha, "Failed to find ST [%d] in flash\n", 6731ad8bd45eSManish Rangankar fw_idx); 6732ad8bd45eSManish Rangankar 6733ad8bd45eSManish Rangankar exit_find_st_idx: 6734ad8bd45eSManish Rangankar if (flash_ddb_entry) 6735ad8bd45eSManish Rangankar dma_pool_free(ha->fw_ddb_dma_pool, flash_ddb_entry, 6736ad8bd45eSManish Rangankar flash_ddb_entry_dma); 6737ad8bd45eSManish Rangankar 6738ad8bd45eSManish Rangankar return ret; 6739ad8bd45eSManish Rangankar } 6740ad8bd45eSManish Rangankar 67414a4bc2e9SLalit Chandivade static void qla4xxx_build_st_list(struct scsi_qla_host *ha, 67424a4bc2e9SLalit Chandivade struct list_head *list_st) 674313483730SMike Christie { 67444a4bc2e9SLalit Chandivade struct qla_ddb_index *st_ddb_idx; 674513483730SMike Christie int max_ddbs; 67464a4bc2e9SLalit Chandivade int fw_idx_size; 67474a4bc2e9SLalit Chandivade struct dev_db_entry *fw_ddb_entry; 67484a4bc2e9SLalit Chandivade dma_addr_t fw_ddb_dma; 674913483730SMike Christie int ret; 675013483730SMike Christie uint32_t idx = 0, next_idx = 0; 675113483730SMike Christie uint32_t state = 0, conn_err = 0; 6752ad8bd45eSManish Rangankar uint32_t flash_index = -1; 67534a4bc2e9SLalit Chandivade uint16_t conn_id = 0; 675413483730SMike Christie 675513483730SMike Christie fw_ddb_entry = dma_pool_alloc(ha->fw_ddb_dma_pool, GFP_KERNEL, 675613483730SMike Christie &fw_ddb_dma); 675713483730SMike Christie if (fw_ddb_entry == NULL) { 675813483730SMike Christie DEBUG2(ql4_printk(KERN_ERR, ha, "Out of memory\n")); 67594a4bc2e9SLalit Chandivade goto exit_st_list; 676013483730SMike Christie } 676113483730SMike Christie 67624a4bc2e9SLalit Chandivade max_ddbs = is_qla40XX(ha) ? MAX_DEV_DB_ENTRIES_40XX : 67634a4bc2e9SLalit Chandivade MAX_DEV_DB_ENTRIES; 676413483730SMike Christie fw_idx_size = sizeof(struct qla_ddb_index); 676513483730SMike Christie 676613483730SMike Christie for (idx = 0; idx < max_ddbs; idx = next_idx) { 67674a4bc2e9SLalit Chandivade ret = qla4xxx_get_fwddb_entry(ha, idx, fw_ddb_entry, fw_ddb_dma, 67684a4bc2e9SLalit Chandivade NULL, &next_idx, &state, 67694a4bc2e9SLalit Chandivade &conn_err, NULL, &conn_id); 677013483730SMike Christie if (ret == QLA_ERROR) 677113483730SMike Christie break; 677213483730SMike Christie 6773981c982cSLalit Chandivade /* Ignore DDB if invalid state (unassigned) */ 6774981c982cSLalit Chandivade if (state == DDB_DS_UNASSIGNED) 6775981c982cSLalit Chandivade goto continue_next_st; 6776981c982cSLalit Chandivade 677713483730SMike Christie /* Check if ST, add to the list_st */ 677813483730SMike Christie if (strlen((char *) fw_ddb_entry->iscsi_name) != 0) 677913483730SMike Christie goto continue_next_st; 678013483730SMike Christie 678113483730SMike Christie st_ddb_idx = vzalloc(fw_idx_size); 678213483730SMike Christie if (!st_ddb_idx) 678313483730SMike Christie break; 678413483730SMike Christie 6785ad8bd45eSManish Rangankar ret = qla4xxx_find_flash_st_idx(ha, fw_ddb_entry, idx, 6786ad8bd45eSManish Rangankar &flash_index); 6787ad8bd45eSManish Rangankar if (ret == QLA_ERROR) { 6788ad8bd45eSManish Rangankar ql4_printk(KERN_ERR, ha, 6789ad8bd45eSManish Rangankar "No flash entry for ST at idx [%d]\n", idx); 6790ad8bd45eSManish Rangankar st_ddb_idx->flash_ddb_idx = idx; 6791ad8bd45eSManish Rangankar } else { 6792ad8bd45eSManish Rangankar ql4_printk(KERN_INFO, ha, 6793ad8bd45eSManish Rangankar "ST at idx [%d] is stored at flash [%d]\n", 6794ad8bd45eSManish Rangankar idx, flash_index); 6795ad8bd45eSManish Rangankar st_ddb_idx->flash_ddb_idx = flash_index; 6796ad8bd45eSManish Rangankar } 6797ad8bd45eSManish Rangankar 679813483730SMike Christie st_ddb_idx->fw_ddb_idx = idx; 679913483730SMike Christie 68004a4bc2e9SLalit Chandivade list_add_tail(&st_ddb_idx->list, list_st); 680113483730SMike Christie continue_next_st: 680213483730SMike Christie if (next_idx == 0) 680313483730SMike Christie break; 680413483730SMike Christie } 680513483730SMike Christie 68064a4bc2e9SLalit Chandivade exit_st_list: 68074a4bc2e9SLalit Chandivade if (fw_ddb_entry) 68084a4bc2e9SLalit Chandivade dma_pool_free(ha->fw_ddb_dma_pool, fw_ddb_entry, fw_ddb_dma); 68094a4bc2e9SLalit Chandivade } 68104a4bc2e9SLalit Chandivade 68114a4bc2e9SLalit Chandivade /** 68124a4bc2e9SLalit Chandivade * qla4xxx_remove_failed_ddb - Remove inactive or failed ddb from list 68134a4bc2e9SLalit Chandivade * @ha: pointer to adapter structure 68144a4bc2e9SLalit Chandivade * @list_ddb: List from which failed ddb to be removed 68154a4bc2e9SLalit Chandivade * 68164a4bc2e9SLalit Chandivade * Iterate over the list of DDBs and find and remove DDBs that are either in 68174a4bc2e9SLalit Chandivade * no connection active state or failed state 68184a4bc2e9SLalit Chandivade **/ 68194a4bc2e9SLalit Chandivade static void qla4xxx_remove_failed_ddb(struct scsi_qla_host *ha, 68204a4bc2e9SLalit Chandivade struct list_head *list_ddb) 68214a4bc2e9SLalit Chandivade { 68224a4bc2e9SLalit Chandivade struct qla_ddb_index *ddb_idx, *ddb_idx_tmp; 68234a4bc2e9SLalit Chandivade uint32_t next_idx = 0; 68244a4bc2e9SLalit Chandivade uint32_t state = 0, conn_err = 0; 68254a4bc2e9SLalit Chandivade int ret; 68264a4bc2e9SLalit Chandivade 68274a4bc2e9SLalit Chandivade list_for_each_entry_safe(ddb_idx, ddb_idx_tmp, list_ddb, list) { 68284a4bc2e9SLalit Chandivade ret = qla4xxx_get_fwddb_entry(ha, ddb_idx->fw_ddb_idx, 68294a4bc2e9SLalit Chandivade NULL, 0, NULL, &next_idx, &state, 68304a4bc2e9SLalit Chandivade &conn_err, NULL, NULL); 68314a4bc2e9SLalit Chandivade if (ret == QLA_ERROR) 68324a4bc2e9SLalit Chandivade continue; 68334a4bc2e9SLalit Chandivade 68344a4bc2e9SLalit Chandivade if (state == DDB_DS_NO_CONNECTION_ACTIVE || 68354a4bc2e9SLalit Chandivade state == DDB_DS_SESSION_FAILED) { 68364a4bc2e9SLalit Chandivade list_del_init(&ddb_idx->list); 68374a4bc2e9SLalit Chandivade vfree(ddb_idx); 68384a4bc2e9SLalit Chandivade } 68394a4bc2e9SLalit Chandivade } 68404a4bc2e9SLalit Chandivade } 68414a4bc2e9SLalit Chandivade 6842ad8bd45eSManish Rangankar static void qla4xxx_update_sess_disc_idx(struct scsi_qla_host *ha, 6843ad8bd45eSManish Rangankar struct ddb_entry *ddb_entry, 6844ad8bd45eSManish Rangankar struct dev_db_entry *fw_ddb_entry) 6845ad8bd45eSManish Rangankar { 6846ad8bd45eSManish Rangankar struct iscsi_cls_session *cls_sess; 6847ad8bd45eSManish Rangankar struct iscsi_session *sess; 6848ad8bd45eSManish Rangankar uint32_t max_ddbs = 0; 6849ad8bd45eSManish Rangankar uint16_t ddb_link = -1; 6850ad8bd45eSManish Rangankar 6851ad8bd45eSManish Rangankar max_ddbs = is_qla40XX(ha) ? MAX_DEV_DB_ENTRIES_40XX : 6852ad8bd45eSManish Rangankar MAX_DEV_DB_ENTRIES; 6853ad8bd45eSManish Rangankar 6854ad8bd45eSManish Rangankar cls_sess = ddb_entry->sess; 6855ad8bd45eSManish Rangankar sess = cls_sess->dd_data; 6856ad8bd45eSManish Rangankar 6857ad8bd45eSManish Rangankar ddb_link = le16_to_cpu(fw_ddb_entry->ddb_link); 6858ad8bd45eSManish Rangankar if (ddb_link < max_ddbs) 6859ad8bd45eSManish Rangankar sess->discovery_parent_idx = ddb_link; 6860ad8bd45eSManish Rangankar else 6861ad8bd45eSManish Rangankar sess->discovery_parent_idx = DDB_NO_LINK; 6862ad8bd45eSManish Rangankar } 6863ad8bd45eSManish Rangankar 68644a4bc2e9SLalit Chandivade static int qla4xxx_sess_conn_setup(struct scsi_qla_host *ha, 68654a4bc2e9SLalit Chandivade struct dev_db_entry *fw_ddb_entry, 68661dc8ed5dSManish Rangankar int is_reset, uint16_t idx) 68674a4bc2e9SLalit Chandivade { 68684a4bc2e9SLalit Chandivade struct iscsi_cls_session *cls_sess; 68694a4bc2e9SLalit Chandivade struct iscsi_session *sess; 68704a4bc2e9SLalit Chandivade struct iscsi_cls_conn *cls_conn; 68714a4bc2e9SLalit Chandivade struct iscsi_endpoint *ep; 68724a4bc2e9SLalit Chandivade uint16_t cmds_max = 32; 68734a4bc2e9SLalit Chandivade uint16_t conn_id = 0; 68744a4bc2e9SLalit Chandivade uint32_t initial_cmdsn = 0; 68754a4bc2e9SLalit Chandivade int ret = QLA_SUCCESS; 68764a4bc2e9SLalit Chandivade 68774a4bc2e9SLalit Chandivade struct ddb_entry *ddb_entry = NULL; 68784a4bc2e9SLalit Chandivade 68794a4bc2e9SLalit Chandivade /* Create session object, with INVALID_ENTRY, 68804a4bc2e9SLalit Chandivade * the targer_id would get set when we issue the login 68814a4bc2e9SLalit Chandivade */ 68824a4bc2e9SLalit Chandivade cls_sess = iscsi_session_setup(&qla4xxx_iscsi_transport, ha->host, 68834a4bc2e9SLalit Chandivade cmds_max, sizeof(struct ddb_entry), 68844a4bc2e9SLalit Chandivade sizeof(struct ql4_task_data), 68854a4bc2e9SLalit Chandivade initial_cmdsn, INVALID_ENTRY); 68864a4bc2e9SLalit Chandivade if (!cls_sess) { 68874a4bc2e9SLalit Chandivade ret = QLA_ERROR; 68884a4bc2e9SLalit Chandivade goto exit_setup; 68894a4bc2e9SLalit Chandivade } 68904a4bc2e9SLalit Chandivade 68914a4bc2e9SLalit Chandivade /* 68924a4bc2e9SLalit Chandivade * so calling module_put function to decrement the 68934a4bc2e9SLalit Chandivade * reference count. 68944a4bc2e9SLalit Chandivade **/ 68954a4bc2e9SLalit Chandivade module_put(qla4xxx_iscsi_transport.owner); 68964a4bc2e9SLalit Chandivade sess = cls_sess->dd_data; 68974a4bc2e9SLalit Chandivade ddb_entry = sess->dd_data; 68984a4bc2e9SLalit Chandivade ddb_entry->sess = cls_sess; 68994a4bc2e9SLalit Chandivade 69004a4bc2e9SLalit Chandivade cls_sess->recovery_tmo = ql4xsess_recovery_tmo; 69014a4bc2e9SLalit Chandivade memcpy(&ddb_entry->fw_ddb_entry, fw_ddb_entry, 69024a4bc2e9SLalit Chandivade sizeof(struct dev_db_entry)); 69034a4bc2e9SLalit Chandivade 69041dc8ed5dSManish Rangankar qla4xxx_setup_flash_ddb_entry(ha, ddb_entry, idx); 69054a4bc2e9SLalit Chandivade 69064a4bc2e9SLalit Chandivade cls_conn = iscsi_conn_setup(cls_sess, sizeof(struct qla_conn), conn_id); 69074a4bc2e9SLalit Chandivade 69084a4bc2e9SLalit Chandivade if (!cls_conn) { 69094a4bc2e9SLalit Chandivade ret = QLA_ERROR; 69104a4bc2e9SLalit Chandivade goto exit_setup; 69114a4bc2e9SLalit Chandivade } 69124a4bc2e9SLalit Chandivade 69134a4bc2e9SLalit Chandivade ddb_entry->conn = cls_conn; 69144a4bc2e9SLalit Chandivade 69154a4bc2e9SLalit Chandivade /* Setup ep, for displaying attributes in sysfs */ 69164a4bc2e9SLalit Chandivade ep = qla4xxx_get_ep_fwdb(ha, fw_ddb_entry); 69174a4bc2e9SLalit Chandivade if (ep) { 69184a4bc2e9SLalit Chandivade ep->conn = cls_conn; 69194a4bc2e9SLalit Chandivade cls_conn->ep = ep; 69204a4bc2e9SLalit Chandivade } else { 69214a4bc2e9SLalit Chandivade DEBUG2(ql4_printk(KERN_ERR, ha, "Unable to get ep\n")); 69224a4bc2e9SLalit Chandivade ret = QLA_ERROR; 69234a4bc2e9SLalit Chandivade goto exit_setup; 69244a4bc2e9SLalit Chandivade } 69254a4bc2e9SLalit Chandivade 69264a4bc2e9SLalit Chandivade /* Update sess/conn params */ 69274a4bc2e9SLalit Chandivade qla4xxx_copy_fwddb_param(ha, fw_ddb_entry, cls_sess, cls_conn); 6928ad8bd45eSManish Rangankar qla4xxx_update_sess_disc_idx(ha, ddb_entry, fw_ddb_entry); 69294a4bc2e9SLalit Chandivade 69304a4bc2e9SLalit Chandivade if (is_reset == RESET_ADAPTER) { 69314a4bc2e9SLalit Chandivade iscsi_block_session(cls_sess); 69324a4bc2e9SLalit Chandivade /* Use the relogin path to discover new devices 69334a4bc2e9SLalit Chandivade * by short-circuting the logic of setting 69344a4bc2e9SLalit Chandivade * timer to relogin - instead set the flags 69354a4bc2e9SLalit Chandivade * to initiate login right away. 69364a4bc2e9SLalit Chandivade */ 69374a4bc2e9SLalit Chandivade set_bit(DPC_RELOGIN_DEVICE, &ha->dpc_flags); 69384a4bc2e9SLalit Chandivade set_bit(DF_RELOGIN, &ddb_entry->flags); 69394a4bc2e9SLalit Chandivade } 69404a4bc2e9SLalit Chandivade 69414a4bc2e9SLalit Chandivade exit_setup: 69424a4bc2e9SLalit Chandivade return ret; 69434a4bc2e9SLalit Chandivade } 69444a4bc2e9SLalit Chandivade 6945ad8bd45eSManish Rangankar static void qla4xxx_update_fw_ddb_link(struct scsi_qla_host *ha, 6946ad8bd45eSManish Rangankar struct list_head *list_ddb, 6947ad8bd45eSManish Rangankar struct dev_db_entry *fw_ddb_entry) 6948ad8bd45eSManish Rangankar { 6949ad8bd45eSManish Rangankar struct qla_ddb_index *ddb_idx, *ddb_idx_tmp; 6950ad8bd45eSManish Rangankar uint16_t ddb_link; 6951ad8bd45eSManish Rangankar 6952ad8bd45eSManish Rangankar ddb_link = le16_to_cpu(fw_ddb_entry->ddb_link); 6953ad8bd45eSManish Rangankar 6954ad8bd45eSManish Rangankar list_for_each_entry_safe(ddb_idx, ddb_idx_tmp, list_ddb, list) { 6955ad8bd45eSManish Rangankar if (ddb_idx->fw_ddb_idx == ddb_link) { 6956ad8bd45eSManish Rangankar DEBUG2(ql4_printk(KERN_INFO, ha, 6957ad8bd45eSManish Rangankar "Updating NT parent idx from [%d] to [%d]\n", 6958ad8bd45eSManish Rangankar ddb_link, ddb_idx->flash_ddb_idx)); 6959ad8bd45eSManish Rangankar fw_ddb_entry->ddb_link = 6960ad8bd45eSManish Rangankar cpu_to_le16(ddb_idx->flash_ddb_idx); 6961ad8bd45eSManish Rangankar return; 6962ad8bd45eSManish Rangankar } 6963ad8bd45eSManish Rangankar } 6964ad8bd45eSManish Rangankar } 6965ad8bd45eSManish Rangankar 69664a4bc2e9SLalit Chandivade static void qla4xxx_build_nt_list(struct scsi_qla_host *ha, 6967ad8bd45eSManish Rangankar struct list_head *list_nt, 6968ad8bd45eSManish Rangankar struct list_head *list_st, 6969ad8bd45eSManish Rangankar int is_reset) 69704a4bc2e9SLalit Chandivade { 69714a4bc2e9SLalit Chandivade struct dev_db_entry *fw_ddb_entry; 6972ad8bd45eSManish Rangankar struct ddb_entry *ddb_entry = NULL; 69734a4bc2e9SLalit Chandivade dma_addr_t fw_ddb_dma; 69744a4bc2e9SLalit Chandivade int max_ddbs; 69754a4bc2e9SLalit Chandivade int fw_idx_size; 69764a4bc2e9SLalit Chandivade int ret; 69774a4bc2e9SLalit Chandivade uint32_t idx = 0, next_idx = 0; 69784a4bc2e9SLalit Chandivade uint32_t state = 0, conn_err = 0; 6979ad8bd45eSManish Rangankar uint32_t ddb_idx = -1; 69804a4bc2e9SLalit Chandivade uint16_t conn_id = 0; 6981ad8bd45eSManish Rangankar uint16_t ddb_link = -1; 69824a4bc2e9SLalit Chandivade struct qla_ddb_index *nt_ddb_idx; 69834a4bc2e9SLalit Chandivade 69844a4bc2e9SLalit Chandivade fw_ddb_entry = dma_pool_alloc(ha->fw_ddb_dma_pool, GFP_KERNEL, 69854a4bc2e9SLalit Chandivade &fw_ddb_dma); 69864a4bc2e9SLalit Chandivade if (fw_ddb_entry == NULL) { 69874a4bc2e9SLalit Chandivade DEBUG2(ql4_printk(KERN_ERR, ha, "Out of memory\n")); 69884a4bc2e9SLalit Chandivade goto exit_nt_list; 69894a4bc2e9SLalit Chandivade } 69904a4bc2e9SLalit Chandivade max_ddbs = is_qla40XX(ha) ? MAX_DEV_DB_ENTRIES_40XX : 69914a4bc2e9SLalit Chandivade MAX_DEV_DB_ENTRIES; 69924a4bc2e9SLalit Chandivade fw_idx_size = sizeof(struct qla_ddb_index); 69934a4bc2e9SLalit Chandivade 69944a4bc2e9SLalit Chandivade for (idx = 0; idx < max_ddbs; idx = next_idx) { 69954a4bc2e9SLalit Chandivade ret = qla4xxx_get_fwddb_entry(ha, idx, fw_ddb_entry, fw_ddb_dma, 69964a4bc2e9SLalit Chandivade NULL, &next_idx, &state, 69974a4bc2e9SLalit Chandivade &conn_err, NULL, &conn_id); 69984a4bc2e9SLalit Chandivade if (ret == QLA_ERROR) 69994a4bc2e9SLalit Chandivade break; 70004a4bc2e9SLalit Chandivade 70014a4bc2e9SLalit Chandivade if (qla4xxx_verify_boot_idx(ha, idx) != QLA_SUCCESS) 70024a4bc2e9SLalit Chandivade goto continue_next_nt; 70034a4bc2e9SLalit Chandivade 70044a4bc2e9SLalit Chandivade /* Check if NT, then add to list it */ 70054a4bc2e9SLalit Chandivade if (strlen((char *) fw_ddb_entry->iscsi_name) == 0) 70064a4bc2e9SLalit Chandivade goto continue_next_nt; 70074a4bc2e9SLalit Chandivade 7008ad8bd45eSManish Rangankar ddb_link = le16_to_cpu(fw_ddb_entry->ddb_link); 7009ad8bd45eSManish Rangankar if (ddb_link < max_ddbs) 7010ad8bd45eSManish Rangankar qla4xxx_update_fw_ddb_link(ha, list_st, fw_ddb_entry); 7011ad8bd45eSManish Rangankar 70124a4bc2e9SLalit Chandivade if (!(state == DDB_DS_NO_CONNECTION_ACTIVE || 7013ad8bd45eSManish Rangankar state == DDB_DS_SESSION_FAILED) && 7014ad8bd45eSManish Rangankar (is_reset == INIT_ADAPTER)) 70154a4bc2e9SLalit Chandivade goto continue_next_nt; 70164a4bc2e9SLalit Chandivade 70174a4bc2e9SLalit Chandivade DEBUG2(ql4_printk(KERN_INFO, ha, 70184a4bc2e9SLalit Chandivade "Adding DDB to session = 0x%x\n", idx)); 7019ad8bd45eSManish Rangankar 70204a4bc2e9SLalit Chandivade if (is_reset == INIT_ADAPTER) { 70214a4bc2e9SLalit Chandivade nt_ddb_idx = vmalloc(fw_idx_size); 70224a4bc2e9SLalit Chandivade if (!nt_ddb_idx) 70234a4bc2e9SLalit Chandivade break; 70244a4bc2e9SLalit Chandivade 70254a4bc2e9SLalit Chandivade nt_ddb_idx->fw_ddb_idx = idx; 70264a4bc2e9SLalit Chandivade 70271cb78d73SVikas Chaudhary /* Copy original isid as it may get updated in function 70281cb78d73SVikas Chaudhary * qla4xxx_update_isid(). We need original isid in 70291cb78d73SVikas Chaudhary * function qla4xxx_compare_tuple_ddb to find duplicate 70301cb78d73SVikas Chaudhary * target */ 70311cb78d73SVikas Chaudhary memcpy(&nt_ddb_idx->flash_isid[0], 70321cb78d73SVikas Chaudhary &fw_ddb_entry->isid[0], 70331cb78d73SVikas Chaudhary sizeof(nt_ddb_idx->flash_isid)); 70344a4bc2e9SLalit Chandivade 70351cb78d73SVikas Chaudhary ret = qla4xxx_is_flash_ddb_exists(ha, list_nt, 70361cb78d73SVikas Chaudhary fw_ddb_entry); 70371cb78d73SVikas Chaudhary if (ret == QLA_SUCCESS) { 70381cb78d73SVikas Chaudhary /* free nt_ddb_idx and do not add to list_nt */ 70394a4bc2e9SLalit Chandivade vfree(nt_ddb_idx); 70404a4bc2e9SLalit Chandivade goto continue_next_nt; 70414a4bc2e9SLalit Chandivade } 70421cb78d73SVikas Chaudhary 70431cb78d73SVikas Chaudhary /* Copy updated isid */ 70441cb78d73SVikas Chaudhary memcpy(&nt_ddb_idx->fw_ddb, fw_ddb_entry, 70451cb78d73SVikas Chaudhary sizeof(struct dev_db_entry)); 70461cb78d73SVikas Chaudhary 70474a4bc2e9SLalit Chandivade list_add_tail(&nt_ddb_idx->list, list_nt); 70484a4bc2e9SLalit Chandivade } else if (is_reset == RESET_ADAPTER) { 7049ad8bd45eSManish Rangankar ret = qla4xxx_is_session_exists(ha, fw_ddb_entry, 7050ad8bd45eSManish Rangankar &ddb_idx); 7051ad8bd45eSManish Rangankar if (ret == QLA_SUCCESS) { 7052ad8bd45eSManish Rangankar ddb_entry = qla4xxx_lookup_ddb_by_fw_index(ha, 7053ad8bd45eSManish Rangankar ddb_idx); 7054ad8bd45eSManish Rangankar if (ddb_entry != NULL) 7055ad8bd45eSManish Rangankar qla4xxx_update_sess_disc_idx(ha, 7056ad8bd45eSManish Rangankar ddb_entry, 7057ad8bd45eSManish Rangankar fw_ddb_entry); 70584a4bc2e9SLalit Chandivade goto continue_next_nt; 70594a4bc2e9SLalit Chandivade } 7060ad8bd45eSManish Rangankar } 70614a4bc2e9SLalit Chandivade 70621dc8ed5dSManish Rangankar ret = qla4xxx_sess_conn_setup(ha, fw_ddb_entry, is_reset, idx); 70634a4bc2e9SLalit Chandivade if (ret == QLA_ERROR) 70644a4bc2e9SLalit Chandivade goto exit_nt_list; 70654a4bc2e9SLalit Chandivade 70664a4bc2e9SLalit Chandivade continue_next_nt: 70674a4bc2e9SLalit Chandivade if (next_idx == 0) 70684a4bc2e9SLalit Chandivade break; 70694a4bc2e9SLalit Chandivade } 70704a4bc2e9SLalit Chandivade 70714a4bc2e9SLalit Chandivade exit_nt_list: 70724a4bc2e9SLalit Chandivade if (fw_ddb_entry) 70734a4bc2e9SLalit Chandivade dma_pool_free(ha->fw_ddb_dma_pool, fw_ddb_entry, fw_ddb_dma); 70744a4bc2e9SLalit Chandivade } 70754a4bc2e9SLalit Chandivade 70761e9e2be3SAdheer Chandravanshi static void qla4xxx_build_new_nt_list(struct scsi_qla_host *ha, 7077ad8bd45eSManish Rangankar struct list_head *list_nt, 7078ad8bd45eSManish Rangankar uint16_t target_id) 70791e9e2be3SAdheer Chandravanshi { 70801e9e2be3SAdheer Chandravanshi struct dev_db_entry *fw_ddb_entry; 70811e9e2be3SAdheer Chandravanshi dma_addr_t fw_ddb_dma; 70821e9e2be3SAdheer Chandravanshi int max_ddbs; 70831e9e2be3SAdheer Chandravanshi int fw_idx_size; 70841e9e2be3SAdheer Chandravanshi int ret; 70851e9e2be3SAdheer Chandravanshi uint32_t idx = 0, next_idx = 0; 70861e9e2be3SAdheer Chandravanshi uint32_t state = 0, conn_err = 0; 70871e9e2be3SAdheer Chandravanshi uint16_t conn_id = 0; 70881e9e2be3SAdheer Chandravanshi struct qla_ddb_index *nt_ddb_idx; 70891e9e2be3SAdheer Chandravanshi 70901e9e2be3SAdheer Chandravanshi fw_ddb_entry = dma_pool_alloc(ha->fw_ddb_dma_pool, GFP_KERNEL, 70911e9e2be3SAdheer Chandravanshi &fw_ddb_dma); 70921e9e2be3SAdheer Chandravanshi if (fw_ddb_entry == NULL) { 70931e9e2be3SAdheer Chandravanshi DEBUG2(ql4_printk(KERN_ERR, ha, "Out of memory\n")); 70941e9e2be3SAdheer Chandravanshi goto exit_new_nt_list; 70951e9e2be3SAdheer Chandravanshi } 70961e9e2be3SAdheer Chandravanshi max_ddbs = is_qla40XX(ha) ? MAX_DEV_DB_ENTRIES_40XX : 70971e9e2be3SAdheer Chandravanshi MAX_DEV_DB_ENTRIES; 70981e9e2be3SAdheer Chandravanshi fw_idx_size = sizeof(struct qla_ddb_index); 70991e9e2be3SAdheer Chandravanshi 71001e9e2be3SAdheer Chandravanshi for (idx = 0; idx < max_ddbs; idx = next_idx) { 71011e9e2be3SAdheer Chandravanshi ret = qla4xxx_get_fwddb_entry(ha, idx, fw_ddb_entry, fw_ddb_dma, 71021e9e2be3SAdheer Chandravanshi NULL, &next_idx, &state, 71031e9e2be3SAdheer Chandravanshi &conn_err, NULL, &conn_id); 71041e9e2be3SAdheer Chandravanshi if (ret == QLA_ERROR) 71051e9e2be3SAdheer Chandravanshi break; 71061e9e2be3SAdheer Chandravanshi 71071e9e2be3SAdheer Chandravanshi /* Check if NT, then add it to list */ 71081e9e2be3SAdheer Chandravanshi if (strlen((char *)fw_ddb_entry->iscsi_name) == 0) 71091e9e2be3SAdheer Chandravanshi goto continue_next_new_nt; 71101e9e2be3SAdheer Chandravanshi 71111e9e2be3SAdheer Chandravanshi if (!(state == DDB_DS_NO_CONNECTION_ACTIVE)) 71121e9e2be3SAdheer Chandravanshi goto continue_next_new_nt; 71131e9e2be3SAdheer Chandravanshi 71141e9e2be3SAdheer Chandravanshi DEBUG2(ql4_printk(KERN_INFO, ha, 71151e9e2be3SAdheer Chandravanshi "Adding DDB to session = 0x%x\n", idx)); 71161e9e2be3SAdheer Chandravanshi 71171e9e2be3SAdheer Chandravanshi nt_ddb_idx = vmalloc(fw_idx_size); 71181e9e2be3SAdheer Chandravanshi if (!nt_ddb_idx) 71191e9e2be3SAdheer Chandravanshi break; 71201e9e2be3SAdheer Chandravanshi 71211e9e2be3SAdheer Chandravanshi nt_ddb_idx->fw_ddb_idx = idx; 71221e9e2be3SAdheer Chandravanshi 7123ad8bd45eSManish Rangankar ret = qla4xxx_is_session_exists(ha, fw_ddb_entry, NULL); 71241e9e2be3SAdheer Chandravanshi if (ret == QLA_SUCCESS) { 71251e9e2be3SAdheer Chandravanshi /* free nt_ddb_idx and do not add to list_nt */ 71261e9e2be3SAdheer Chandravanshi vfree(nt_ddb_idx); 71271e9e2be3SAdheer Chandravanshi goto continue_next_new_nt; 71281e9e2be3SAdheer Chandravanshi } 71291e9e2be3SAdheer Chandravanshi 7130ad8bd45eSManish Rangankar if (target_id < max_ddbs) 7131ad8bd45eSManish Rangankar fw_ddb_entry->ddb_link = cpu_to_le16(target_id); 7132ad8bd45eSManish Rangankar 71331e9e2be3SAdheer Chandravanshi list_add_tail(&nt_ddb_idx->list, list_nt); 71341e9e2be3SAdheer Chandravanshi 71351e9e2be3SAdheer Chandravanshi ret = qla4xxx_sess_conn_setup(ha, fw_ddb_entry, RESET_ADAPTER, 71361e9e2be3SAdheer Chandravanshi idx); 71371e9e2be3SAdheer Chandravanshi if (ret == QLA_ERROR) 71381e9e2be3SAdheer Chandravanshi goto exit_new_nt_list; 71391e9e2be3SAdheer Chandravanshi 71401e9e2be3SAdheer Chandravanshi continue_next_new_nt: 71411e9e2be3SAdheer Chandravanshi if (next_idx == 0) 71421e9e2be3SAdheer Chandravanshi break; 71431e9e2be3SAdheer Chandravanshi } 71441e9e2be3SAdheer Chandravanshi 71451e9e2be3SAdheer Chandravanshi exit_new_nt_list: 71461e9e2be3SAdheer Chandravanshi if (fw_ddb_entry) 71471e9e2be3SAdheer Chandravanshi dma_pool_free(ha->fw_ddb_dma_pool, fw_ddb_entry, fw_ddb_dma); 71481e9e2be3SAdheer Chandravanshi } 71491e9e2be3SAdheer Chandravanshi 71501e9e2be3SAdheer Chandravanshi /** 71511e9e2be3SAdheer Chandravanshi * qla4xxx_sysfs_ddb_is_non_persistent - check for non-persistence of ddb entry 71521e9e2be3SAdheer Chandravanshi * @dev: dev associated with the sysfs entry 71531e9e2be3SAdheer Chandravanshi * @data: pointer to flashnode session object 71541e9e2be3SAdheer Chandravanshi * 71551e9e2be3SAdheer Chandravanshi * Returns: 71561e9e2be3SAdheer Chandravanshi * 1: if flashnode entry is non-persistent 71571e9e2be3SAdheer Chandravanshi * 0: if flashnode entry is persistent 71581e9e2be3SAdheer Chandravanshi **/ 71591e9e2be3SAdheer Chandravanshi static int qla4xxx_sysfs_ddb_is_non_persistent(struct device *dev, void *data) 71601e9e2be3SAdheer Chandravanshi { 71611e9e2be3SAdheer Chandravanshi struct iscsi_bus_flash_session *fnode_sess; 71621e9e2be3SAdheer Chandravanshi 71631e9e2be3SAdheer Chandravanshi if (!iscsi_flashnode_bus_match(dev, NULL)) 71641e9e2be3SAdheer Chandravanshi return 0; 71651e9e2be3SAdheer Chandravanshi 71661e9e2be3SAdheer Chandravanshi fnode_sess = iscsi_dev_to_flash_session(dev); 71671e9e2be3SAdheer Chandravanshi 71681e9e2be3SAdheer Chandravanshi return (fnode_sess->flash_state == DEV_DB_NON_PERSISTENT); 71691e9e2be3SAdheer Chandravanshi } 71701e9e2be3SAdheer Chandravanshi 71711e9e2be3SAdheer Chandravanshi /** 71721e9e2be3SAdheer Chandravanshi * qla4xxx_sysfs_ddb_tgt_create - Create sysfs entry for target 71731e9e2be3SAdheer Chandravanshi * @ha: pointer to host 71741e9e2be3SAdheer Chandravanshi * @fw_ddb_entry: flash ddb data 71751e9e2be3SAdheer Chandravanshi * @idx: target index 71761e9e2be3SAdheer Chandravanshi * @user: if set then this call is made from userland else from kernel 71771e9e2be3SAdheer Chandravanshi * 71781e9e2be3SAdheer Chandravanshi * Returns: 71791e9e2be3SAdheer Chandravanshi * On sucess: QLA_SUCCESS 71801e9e2be3SAdheer Chandravanshi * On failure: QLA_ERROR 71811e9e2be3SAdheer Chandravanshi * 71821e9e2be3SAdheer Chandravanshi * This create separate sysfs entries for session and connection attributes of 71831e9e2be3SAdheer Chandravanshi * the given fw ddb entry. 71841e9e2be3SAdheer Chandravanshi * If this is invoked as a result of a userspace call then the entry is marked 71851e9e2be3SAdheer Chandravanshi * as nonpersistent using flash_state field. 71861e9e2be3SAdheer Chandravanshi **/ 718728e02f1aSVikas Chaudhary static int qla4xxx_sysfs_ddb_tgt_create(struct scsi_qla_host *ha, 71881e9e2be3SAdheer Chandravanshi struct dev_db_entry *fw_ddb_entry, 71891e9e2be3SAdheer Chandravanshi uint16_t *idx, int user) 71901e9e2be3SAdheer Chandravanshi { 71911e9e2be3SAdheer Chandravanshi struct iscsi_bus_flash_session *fnode_sess = NULL; 71921e9e2be3SAdheer Chandravanshi struct iscsi_bus_flash_conn *fnode_conn = NULL; 71931e9e2be3SAdheer Chandravanshi int rc = QLA_ERROR; 71941e9e2be3SAdheer Chandravanshi 71951e9e2be3SAdheer Chandravanshi fnode_sess = iscsi_create_flashnode_sess(ha->host, *idx, 71961e9e2be3SAdheer Chandravanshi &qla4xxx_iscsi_transport, 0); 71971e9e2be3SAdheer Chandravanshi if (!fnode_sess) { 71981e9e2be3SAdheer Chandravanshi ql4_printk(KERN_ERR, ha, 71991e9e2be3SAdheer Chandravanshi "%s: Unable to create session sysfs entry for flashnode %d of host%lu\n", 72001e9e2be3SAdheer Chandravanshi __func__, *idx, ha->host_no); 72011e9e2be3SAdheer Chandravanshi goto exit_tgt_create; 72021e9e2be3SAdheer Chandravanshi } 72031e9e2be3SAdheer Chandravanshi 72041e9e2be3SAdheer Chandravanshi fnode_conn = iscsi_create_flashnode_conn(ha->host, fnode_sess, 72051e9e2be3SAdheer Chandravanshi &qla4xxx_iscsi_transport, 0); 72061e9e2be3SAdheer Chandravanshi if (!fnode_conn) { 72071e9e2be3SAdheer Chandravanshi ql4_printk(KERN_ERR, ha, 72081e9e2be3SAdheer Chandravanshi "%s: Unable to create conn sysfs entry for flashnode %d of host%lu\n", 72091e9e2be3SAdheer Chandravanshi __func__, *idx, ha->host_no); 72101e9e2be3SAdheer Chandravanshi goto free_sess; 72111e9e2be3SAdheer Chandravanshi } 72121e9e2be3SAdheer Chandravanshi 72131e9e2be3SAdheer Chandravanshi if (user) { 72141e9e2be3SAdheer Chandravanshi fnode_sess->flash_state = DEV_DB_NON_PERSISTENT; 72151e9e2be3SAdheer Chandravanshi } else { 72161e9e2be3SAdheer Chandravanshi fnode_sess->flash_state = DEV_DB_PERSISTENT; 72171e9e2be3SAdheer Chandravanshi 72181e9e2be3SAdheer Chandravanshi if (*idx == ha->pri_ddb_idx || *idx == ha->sec_ddb_idx) 72191e9e2be3SAdheer Chandravanshi fnode_sess->is_boot_target = 1; 72201e9e2be3SAdheer Chandravanshi else 72211e9e2be3SAdheer Chandravanshi fnode_sess->is_boot_target = 0; 72221e9e2be3SAdheer Chandravanshi } 72231e9e2be3SAdheer Chandravanshi 72241e9e2be3SAdheer Chandravanshi rc = qla4xxx_copy_from_fwddb_param(fnode_sess, fnode_conn, 72251e9e2be3SAdheer Chandravanshi fw_ddb_entry); 72261e9e2be3SAdheer Chandravanshi 72271e9e2be3SAdheer Chandravanshi ql4_printk(KERN_INFO, ha, "%s: sysfs entry %s created\n", 72281e9e2be3SAdheer Chandravanshi __func__, fnode_sess->dev.kobj.name); 72291e9e2be3SAdheer Chandravanshi 72301e9e2be3SAdheer Chandravanshi ql4_printk(KERN_INFO, ha, "%s: sysfs entry %s created\n", 72311e9e2be3SAdheer Chandravanshi __func__, fnode_conn->dev.kobj.name); 72321e9e2be3SAdheer Chandravanshi 72331e9e2be3SAdheer Chandravanshi return QLA_SUCCESS; 72341e9e2be3SAdheer Chandravanshi 72351e9e2be3SAdheer Chandravanshi free_sess: 72361e9e2be3SAdheer Chandravanshi iscsi_destroy_flashnode_sess(fnode_sess); 72371e9e2be3SAdheer Chandravanshi 72381e9e2be3SAdheer Chandravanshi exit_tgt_create: 72391e9e2be3SAdheer Chandravanshi return QLA_ERROR; 72401e9e2be3SAdheer Chandravanshi } 72411e9e2be3SAdheer Chandravanshi 72421e9e2be3SAdheer Chandravanshi /** 72431e9e2be3SAdheer Chandravanshi * qla4xxx_sysfs_ddb_add - Add new ddb entry in flash 72441e9e2be3SAdheer Chandravanshi * @shost: pointer to host 72451e9e2be3SAdheer Chandravanshi * @buf: type of ddb entry (ipv4/ipv6) 72461e9e2be3SAdheer Chandravanshi * @len: length of buf 72471e9e2be3SAdheer Chandravanshi * 72481e9e2be3SAdheer Chandravanshi * This creates new ddb entry in the flash by finding first free index and 72491e9e2be3SAdheer Chandravanshi * storing default ddb there. And then create sysfs entry for the new ddb entry. 72501e9e2be3SAdheer Chandravanshi **/ 72511e9e2be3SAdheer Chandravanshi static int qla4xxx_sysfs_ddb_add(struct Scsi_Host *shost, const char *buf, 72521e9e2be3SAdheer Chandravanshi int len) 72531e9e2be3SAdheer Chandravanshi { 72541e9e2be3SAdheer Chandravanshi struct scsi_qla_host *ha = to_qla_host(shost); 72551e9e2be3SAdheer Chandravanshi struct dev_db_entry *fw_ddb_entry = NULL; 72561e9e2be3SAdheer Chandravanshi dma_addr_t fw_ddb_entry_dma; 72571e9e2be3SAdheer Chandravanshi struct device *dev; 72581e9e2be3SAdheer Chandravanshi uint16_t idx = 0; 72591e9e2be3SAdheer Chandravanshi uint16_t max_ddbs = 0; 72601e9e2be3SAdheer Chandravanshi uint32_t options = 0; 72611e9e2be3SAdheer Chandravanshi uint32_t rval = QLA_ERROR; 72621e9e2be3SAdheer Chandravanshi 7263c962c18bSAdheer Chandravanshi if (strncasecmp(PORTAL_TYPE_IPV4, buf, 4) && 7264c962c18bSAdheer Chandravanshi strncasecmp(PORTAL_TYPE_IPV6, buf, 4)) { 72651e9e2be3SAdheer Chandravanshi DEBUG2(ql4_printk(KERN_ERR, ha, "%s: Invalid portal type\n", 72661e9e2be3SAdheer Chandravanshi __func__)); 72671e9e2be3SAdheer Chandravanshi goto exit_ddb_add; 72681e9e2be3SAdheer Chandravanshi } 72691e9e2be3SAdheer Chandravanshi 7270a957a7d7SAdheer Chandravanshi max_ddbs = is_qla40XX(ha) ? MAX_PRST_DEV_DB_ENTRIES : 72711e9e2be3SAdheer Chandravanshi MAX_DEV_DB_ENTRIES; 72721e9e2be3SAdheer Chandravanshi 72731e9e2be3SAdheer Chandravanshi fw_ddb_entry = dma_alloc_coherent(&ha->pdev->dev, sizeof(*fw_ddb_entry), 72741e9e2be3SAdheer Chandravanshi &fw_ddb_entry_dma, GFP_KERNEL); 72751e9e2be3SAdheer Chandravanshi if (!fw_ddb_entry) { 72761e9e2be3SAdheer Chandravanshi DEBUG2(ql4_printk(KERN_ERR, ha, 72771e9e2be3SAdheer Chandravanshi "%s: Unable to allocate dma buffer\n", 72781e9e2be3SAdheer Chandravanshi __func__)); 72791e9e2be3SAdheer Chandravanshi goto exit_ddb_add; 72801e9e2be3SAdheer Chandravanshi } 72811e9e2be3SAdheer Chandravanshi 72821e9e2be3SAdheer Chandravanshi dev = iscsi_find_flashnode_sess(ha->host, NULL, 72831e9e2be3SAdheer Chandravanshi qla4xxx_sysfs_ddb_is_non_persistent); 72841e9e2be3SAdheer Chandravanshi if (dev) { 72851e9e2be3SAdheer Chandravanshi ql4_printk(KERN_ERR, ha, 72861e9e2be3SAdheer Chandravanshi "%s: A non-persistent entry %s found\n", 72871e9e2be3SAdheer Chandravanshi __func__, dev->kobj.name); 72888526cb11SMike Christie put_device(dev); 72891e9e2be3SAdheer Chandravanshi goto exit_ddb_add; 72901e9e2be3SAdheer Chandravanshi } 72911e9e2be3SAdheer Chandravanshi 729299937574SAdheer Chandravanshi /* Index 0 and 1 are reserved for boot target entries */ 729399937574SAdheer Chandravanshi for (idx = 2; idx < max_ddbs; idx++) { 72941e9e2be3SAdheer Chandravanshi if (qla4xxx_flashdb_by_index(ha, fw_ddb_entry, 72951e9e2be3SAdheer Chandravanshi fw_ddb_entry_dma, idx)) 72961e9e2be3SAdheer Chandravanshi break; 72971e9e2be3SAdheer Chandravanshi } 72981e9e2be3SAdheer Chandravanshi 72991e9e2be3SAdheer Chandravanshi if (idx == max_ddbs) 73001e9e2be3SAdheer Chandravanshi goto exit_ddb_add; 73011e9e2be3SAdheer Chandravanshi 73021e9e2be3SAdheer Chandravanshi if (!strncasecmp("ipv6", buf, 4)) 73031e9e2be3SAdheer Chandravanshi options |= IPV6_DEFAULT_DDB_ENTRY; 73041e9e2be3SAdheer Chandravanshi 73051e9e2be3SAdheer Chandravanshi rval = qla4xxx_get_default_ddb(ha, options, fw_ddb_entry_dma); 73061e9e2be3SAdheer Chandravanshi if (rval == QLA_ERROR) 73071e9e2be3SAdheer Chandravanshi goto exit_ddb_add; 73081e9e2be3SAdheer Chandravanshi 73091e9e2be3SAdheer Chandravanshi rval = qla4xxx_sysfs_ddb_tgt_create(ha, fw_ddb_entry, &idx, 1); 73101e9e2be3SAdheer Chandravanshi 73111e9e2be3SAdheer Chandravanshi exit_ddb_add: 73121e9e2be3SAdheer Chandravanshi if (fw_ddb_entry) 73131e9e2be3SAdheer Chandravanshi dma_free_coherent(&ha->pdev->dev, sizeof(*fw_ddb_entry), 73141e9e2be3SAdheer Chandravanshi fw_ddb_entry, fw_ddb_entry_dma); 73151e9e2be3SAdheer Chandravanshi if (rval == QLA_SUCCESS) 73161e9e2be3SAdheer Chandravanshi return idx; 73171e9e2be3SAdheer Chandravanshi else 73181e9e2be3SAdheer Chandravanshi return -EIO; 73191e9e2be3SAdheer Chandravanshi } 73201e9e2be3SAdheer Chandravanshi 73211e9e2be3SAdheer Chandravanshi /** 73221e9e2be3SAdheer Chandravanshi * qla4xxx_sysfs_ddb_apply - write the target ddb contents to Flash 73231e9e2be3SAdheer Chandravanshi * @fnode_sess: pointer to session attrs of flash ddb entry 73241e9e2be3SAdheer Chandravanshi * @fnode_conn: pointer to connection attrs of flash ddb entry 73251e9e2be3SAdheer Chandravanshi * 73261e9e2be3SAdheer Chandravanshi * This writes the contents of target ddb buffer to Flash with a valid cookie 73271e9e2be3SAdheer Chandravanshi * value in order to make the ddb entry persistent. 73281e9e2be3SAdheer Chandravanshi **/ 73291e9e2be3SAdheer Chandravanshi static int qla4xxx_sysfs_ddb_apply(struct iscsi_bus_flash_session *fnode_sess, 73301e9e2be3SAdheer Chandravanshi struct iscsi_bus_flash_conn *fnode_conn) 73311e9e2be3SAdheer Chandravanshi { 73321e9e2be3SAdheer Chandravanshi struct Scsi_Host *shost = iscsi_flash_session_to_shost(fnode_sess); 73331e9e2be3SAdheer Chandravanshi struct scsi_qla_host *ha = to_qla_host(shost); 73341e9e2be3SAdheer Chandravanshi uint32_t dev_db_start_offset = FLASH_OFFSET_DB_INFO; 73351e9e2be3SAdheer Chandravanshi struct dev_db_entry *fw_ddb_entry = NULL; 73361e9e2be3SAdheer Chandravanshi dma_addr_t fw_ddb_entry_dma; 73371e9e2be3SAdheer Chandravanshi uint32_t options = 0; 73381e9e2be3SAdheer Chandravanshi int rval = 0; 73391e9e2be3SAdheer Chandravanshi 73401e9e2be3SAdheer Chandravanshi fw_ddb_entry = dma_alloc_coherent(&ha->pdev->dev, sizeof(*fw_ddb_entry), 73411e9e2be3SAdheer Chandravanshi &fw_ddb_entry_dma, GFP_KERNEL); 73421e9e2be3SAdheer Chandravanshi if (!fw_ddb_entry) { 73431e9e2be3SAdheer Chandravanshi DEBUG2(ql4_printk(KERN_ERR, ha, 73441e9e2be3SAdheer Chandravanshi "%s: Unable to allocate dma buffer\n", 73451e9e2be3SAdheer Chandravanshi __func__)); 73461e9e2be3SAdheer Chandravanshi rval = -ENOMEM; 73471e9e2be3SAdheer Chandravanshi goto exit_ddb_apply; 73481e9e2be3SAdheer Chandravanshi } 73491e9e2be3SAdheer Chandravanshi 7350c962c18bSAdheer Chandravanshi if (!strncasecmp(fnode_sess->portal_type, PORTAL_TYPE_IPV6, 4)) 73511e9e2be3SAdheer Chandravanshi options |= IPV6_DEFAULT_DDB_ENTRY; 73521e9e2be3SAdheer Chandravanshi 73531e9e2be3SAdheer Chandravanshi rval = qla4xxx_get_default_ddb(ha, options, fw_ddb_entry_dma); 73541e9e2be3SAdheer Chandravanshi if (rval == QLA_ERROR) 73551e9e2be3SAdheer Chandravanshi goto exit_ddb_apply; 73561e9e2be3SAdheer Chandravanshi 73571e9e2be3SAdheer Chandravanshi dev_db_start_offset += (fnode_sess->target_id * 73581e9e2be3SAdheer Chandravanshi sizeof(*fw_ddb_entry)); 73591e9e2be3SAdheer Chandravanshi 73601e9e2be3SAdheer Chandravanshi qla4xxx_copy_to_fwddb_param(fnode_sess, fnode_conn, fw_ddb_entry); 73611e9e2be3SAdheer Chandravanshi fw_ddb_entry->cookie = DDB_VALID_COOKIE; 73621e9e2be3SAdheer Chandravanshi 73631e9e2be3SAdheer Chandravanshi rval = qla4xxx_set_flash(ha, fw_ddb_entry_dma, dev_db_start_offset, 73641e9e2be3SAdheer Chandravanshi sizeof(*fw_ddb_entry), FLASH_OPT_RMW_COMMIT); 73651e9e2be3SAdheer Chandravanshi 73661e9e2be3SAdheer Chandravanshi if (rval == QLA_SUCCESS) { 73671e9e2be3SAdheer Chandravanshi fnode_sess->flash_state = DEV_DB_PERSISTENT; 73681e9e2be3SAdheer Chandravanshi ql4_printk(KERN_INFO, ha, 73691e9e2be3SAdheer Chandravanshi "%s: flash node %u of host %lu written to flash\n", 73701e9e2be3SAdheer Chandravanshi __func__, fnode_sess->target_id, ha->host_no); 73711e9e2be3SAdheer Chandravanshi } else { 73721e9e2be3SAdheer Chandravanshi rval = -EIO; 73731e9e2be3SAdheer Chandravanshi ql4_printk(KERN_ERR, ha, 73741e9e2be3SAdheer Chandravanshi "%s: Error while writing flash node %u of host %lu to flash\n", 73751e9e2be3SAdheer Chandravanshi __func__, fnode_sess->target_id, ha->host_no); 73761e9e2be3SAdheer Chandravanshi } 73771e9e2be3SAdheer Chandravanshi 73781e9e2be3SAdheer Chandravanshi exit_ddb_apply: 73791e9e2be3SAdheer Chandravanshi if (fw_ddb_entry) 73801e9e2be3SAdheer Chandravanshi dma_free_coherent(&ha->pdev->dev, sizeof(*fw_ddb_entry), 73811e9e2be3SAdheer Chandravanshi fw_ddb_entry, fw_ddb_entry_dma); 73821e9e2be3SAdheer Chandravanshi return rval; 73831e9e2be3SAdheer Chandravanshi } 73841e9e2be3SAdheer Chandravanshi 73851e9e2be3SAdheer Chandravanshi static ssize_t qla4xxx_sysfs_ddb_conn_open(struct scsi_qla_host *ha, 73861e9e2be3SAdheer Chandravanshi struct dev_db_entry *fw_ddb_entry, 73871e9e2be3SAdheer Chandravanshi uint16_t idx) 73881e9e2be3SAdheer Chandravanshi { 73891e9e2be3SAdheer Chandravanshi struct dev_db_entry *ddb_entry = NULL; 73901e9e2be3SAdheer Chandravanshi dma_addr_t ddb_entry_dma; 73911e9e2be3SAdheer Chandravanshi unsigned long wtime; 73921e9e2be3SAdheer Chandravanshi uint32_t mbx_sts = 0; 73931e9e2be3SAdheer Chandravanshi uint32_t state = 0, conn_err = 0; 73941e9e2be3SAdheer Chandravanshi uint16_t tmo = 0; 73951e9e2be3SAdheer Chandravanshi int ret = 0; 73961e9e2be3SAdheer Chandravanshi 73971e9e2be3SAdheer Chandravanshi ddb_entry = dma_alloc_coherent(&ha->pdev->dev, sizeof(*ddb_entry), 73981e9e2be3SAdheer Chandravanshi &ddb_entry_dma, GFP_KERNEL); 73991e9e2be3SAdheer Chandravanshi if (!ddb_entry) { 74001e9e2be3SAdheer Chandravanshi DEBUG2(ql4_printk(KERN_ERR, ha, 74011e9e2be3SAdheer Chandravanshi "%s: Unable to allocate dma buffer\n", 74021e9e2be3SAdheer Chandravanshi __func__)); 74031e9e2be3SAdheer Chandravanshi return QLA_ERROR; 74041e9e2be3SAdheer Chandravanshi } 74051e9e2be3SAdheer Chandravanshi 74061e9e2be3SAdheer Chandravanshi memcpy(ddb_entry, fw_ddb_entry, sizeof(*ddb_entry)); 74071e9e2be3SAdheer Chandravanshi 74081e9e2be3SAdheer Chandravanshi ret = qla4xxx_set_ddb_entry(ha, idx, ddb_entry_dma, &mbx_sts); 74091e9e2be3SAdheer Chandravanshi if (ret != QLA_SUCCESS) { 74101e9e2be3SAdheer Chandravanshi DEBUG2(ql4_printk(KERN_ERR, ha, 74111e9e2be3SAdheer Chandravanshi "%s: Unable to set ddb entry for index %d\n", 74121e9e2be3SAdheer Chandravanshi __func__, idx)); 74131e9e2be3SAdheer Chandravanshi goto exit_ddb_conn_open; 74141e9e2be3SAdheer Chandravanshi } 74151e9e2be3SAdheer Chandravanshi 74161e9e2be3SAdheer Chandravanshi qla4xxx_conn_open(ha, idx); 74171e9e2be3SAdheer Chandravanshi 74181e9e2be3SAdheer Chandravanshi /* To ensure that sendtargets is done, wait for at least 12 secs */ 74191e9e2be3SAdheer Chandravanshi tmo = ((ha->def_timeout > LOGIN_TOV) && 74201e9e2be3SAdheer Chandravanshi (ha->def_timeout < LOGIN_TOV * 10) ? 74211e9e2be3SAdheer Chandravanshi ha->def_timeout : LOGIN_TOV); 74221e9e2be3SAdheer Chandravanshi 74231e9e2be3SAdheer Chandravanshi DEBUG2(ql4_printk(KERN_INFO, ha, 74241e9e2be3SAdheer Chandravanshi "Default time to wait for login to ddb %d\n", tmo)); 74251e9e2be3SAdheer Chandravanshi 74261e9e2be3SAdheer Chandravanshi wtime = jiffies + (HZ * tmo); 74271e9e2be3SAdheer Chandravanshi do { 74281e9e2be3SAdheer Chandravanshi ret = qla4xxx_get_fwddb_entry(ha, idx, NULL, 0, NULL, 74291e9e2be3SAdheer Chandravanshi NULL, &state, &conn_err, NULL, 74301e9e2be3SAdheer Chandravanshi NULL); 74311e9e2be3SAdheer Chandravanshi if (ret == QLA_ERROR) 74321e9e2be3SAdheer Chandravanshi continue; 74331e9e2be3SAdheer Chandravanshi 74341e9e2be3SAdheer Chandravanshi if (state == DDB_DS_NO_CONNECTION_ACTIVE || 74351e9e2be3SAdheer Chandravanshi state == DDB_DS_SESSION_FAILED) 74361e9e2be3SAdheer Chandravanshi break; 74371e9e2be3SAdheer Chandravanshi 74381e9e2be3SAdheer Chandravanshi schedule_timeout_uninterruptible(HZ / 10); 74391e9e2be3SAdheer Chandravanshi } while (time_after(wtime, jiffies)); 74401e9e2be3SAdheer Chandravanshi 74411e9e2be3SAdheer Chandravanshi exit_ddb_conn_open: 74421e9e2be3SAdheer Chandravanshi if (ddb_entry) 74431e9e2be3SAdheer Chandravanshi dma_free_coherent(&ha->pdev->dev, sizeof(*ddb_entry), 74441e9e2be3SAdheer Chandravanshi ddb_entry, ddb_entry_dma); 74451e9e2be3SAdheer Chandravanshi return ret; 74461e9e2be3SAdheer Chandravanshi } 74471e9e2be3SAdheer Chandravanshi 74481e9e2be3SAdheer Chandravanshi static int qla4xxx_ddb_login_st(struct scsi_qla_host *ha, 7449ad8bd45eSManish Rangankar struct dev_db_entry *fw_ddb_entry, 7450ad8bd45eSManish Rangankar uint16_t target_id) 74511e9e2be3SAdheer Chandravanshi { 74521e9e2be3SAdheer Chandravanshi struct qla_ddb_index *ddb_idx, *ddb_idx_tmp; 74531e9e2be3SAdheer Chandravanshi struct list_head list_nt; 74541e9e2be3SAdheer Chandravanshi uint16_t ddb_index; 74551e9e2be3SAdheer Chandravanshi int ret = 0; 74561e9e2be3SAdheer Chandravanshi 74571e9e2be3SAdheer Chandravanshi if (test_bit(AF_ST_DISCOVERY_IN_PROGRESS, &ha->flags)) { 74581e9e2be3SAdheer Chandravanshi ql4_printk(KERN_WARNING, ha, 74591e9e2be3SAdheer Chandravanshi "%s: A discovery already in progress!\n", __func__); 74601e9e2be3SAdheer Chandravanshi return QLA_ERROR; 74611e9e2be3SAdheer Chandravanshi } 74621e9e2be3SAdheer Chandravanshi 74631e9e2be3SAdheer Chandravanshi INIT_LIST_HEAD(&list_nt); 74641e9e2be3SAdheer Chandravanshi 74651e9e2be3SAdheer Chandravanshi set_bit(AF_ST_DISCOVERY_IN_PROGRESS, &ha->flags); 74661e9e2be3SAdheer Chandravanshi 74671e9e2be3SAdheer Chandravanshi ret = qla4xxx_get_ddb_index(ha, &ddb_index); 74681e9e2be3SAdheer Chandravanshi if (ret == QLA_ERROR) 74691e9e2be3SAdheer Chandravanshi goto exit_login_st_clr_bit; 74701e9e2be3SAdheer Chandravanshi 74711e9e2be3SAdheer Chandravanshi ret = qla4xxx_sysfs_ddb_conn_open(ha, fw_ddb_entry, ddb_index); 74721e9e2be3SAdheer Chandravanshi if (ret == QLA_ERROR) 74731e9e2be3SAdheer Chandravanshi goto exit_login_st; 74741e9e2be3SAdheer Chandravanshi 7475ad8bd45eSManish Rangankar qla4xxx_build_new_nt_list(ha, &list_nt, target_id); 74761e9e2be3SAdheer Chandravanshi 74771e9e2be3SAdheer Chandravanshi list_for_each_entry_safe(ddb_idx, ddb_idx_tmp, &list_nt, list) { 74781e9e2be3SAdheer Chandravanshi list_del_init(&ddb_idx->list); 74791e9e2be3SAdheer Chandravanshi qla4xxx_clear_ddb_entry(ha, ddb_idx->fw_ddb_idx); 74801e9e2be3SAdheer Chandravanshi vfree(ddb_idx); 74811e9e2be3SAdheer Chandravanshi } 74821e9e2be3SAdheer Chandravanshi 74831e9e2be3SAdheer Chandravanshi exit_login_st: 74841e9e2be3SAdheer Chandravanshi if (qla4xxx_clear_ddb_entry(ha, ddb_index) == QLA_ERROR) { 74851e9e2be3SAdheer Chandravanshi ql4_printk(KERN_ERR, ha, 74861e9e2be3SAdheer Chandravanshi "Unable to clear DDB index = 0x%x\n", ddb_index); 74871e9e2be3SAdheer Chandravanshi } 74881e9e2be3SAdheer Chandravanshi 74891e9e2be3SAdheer Chandravanshi clear_bit(ddb_index, ha->ddb_idx_map); 74901e9e2be3SAdheer Chandravanshi 74911e9e2be3SAdheer Chandravanshi exit_login_st_clr_bit: 74921e9e2be3SAdheer Chandravanshi clear_bit(AF_ST_DISCOVERY_IN_PROGRESS, &ha->flags); 74931e9e2be3SAdheer Chandravanshi return ret; 74941e9e2be3SAdheer Chandravanshi } 74951e9e2be3SAdheer Chandravanshi 74961e9e2be3SAdheer Chandravanshi static int qla4xxx_ddb_login_nt(struct scsi_qla_host *ha, 74971e9e2be3SAdheer Chandravanshi struct dev_db_entry *fw_ddb_entry, 74981e9e2be3SAdheer Chandravanshi uint16_t idx) 74991e9e2be3SAdheer Chandravanshi { 75001e9e2be3SAdheer Chandravanshi int ret = QLA_ERROR; 75011e9e2be3SAdheer Chandravanshi 7502ad8bd45eSManish Rangankar ret = qla4xxx_is_session_exists(ha, fw_ddb_entry, NULL); 75031e9e2be3SAdheer Chandravanshi if (ret != QLA_SUCCESS) 75041e9e2be3SAdheer Chandravanshi ret = qla4xxx_sess_conn_setup(ha, fw_ddb_entry, RESET_ADAPTER, 75051e9e2be3SAdheer Chandravanshi idx); 75061e9e2be3SAdheer Chandravanshi else 75071e9e2be3SAdheer Chandravanshi ret = -EPERM; 75081e9e2be3SAdheer Chandravanshi 75091e9e2be3SAdheer Chandravanshi return ret; 75101e9e2be3SAdheer Chandravanshi } 75111e9e2be3SAdheer Chandravanshi 75121e9e2be3SAdheer Chandravanshi /** 75131e9e2be3SAdheer Chandravanshi * qla4xxx_sysfs_ddb_login - Login to the specified target 75141e9e2be3SAdheer Chandravanshi * @fnode_sess: pointer to session attrs of flash ddb entry 75151e9e2be3SAdheer Chandravanshi * @fnode_conn: pointer to connection attrs of flash ddb entry 75161e9e2be3SAdheer Chandravanshi * 75171e9e2be3SAdheer Chandravanshi * This logs in to the specified target 75181e9e2be3SAdheer Chandravanshi **/ 75191e9e2be3SAdheer Chandravanshi static int qla4xxx_sysfs_ddb_login(struct iscsi_bus_flash_session *fnode_sess, 75201e9e2be3SAdheer Chandravanshi struct iscsi_bus_flash_conn *fnode_conn) 75211e9e2be3SAdheer Chandravanshi { 75221e9e2be3SAdheer Chandravanshi struct Scsi_Host *shost = iscsi_flash_session_to_shost(fnode_sess); 75231e9e2be3SAdheer Chandravanshi struct scsi_qla_host *ha = to_qla_host(shost); 75241e9e2be3SAdheer Chandravanshi struct dev_db_entry *fw_ddb_entry = NULL; 75251e9e2be3SAdheer Chandravanshi dma_addr_t fw_ddb_entry_dma; 75261e9e2be3SAdheer Chandravanshi uint32_t options = 0; 75271e9e2be3SAdheer Chandravanshi int ret = 0; 75281e9e2be3SAdheer Chandravanshi 75291e9e2be3SAdheer Chandravanshi if (fnode_sess->flash_state == DEV_DB_NON_PERSISTENT) { 75301e9e2be3SAdheer Chandravanshi ql4_printk(KERN_ERR, ha, 75311e9e2be3SAdheer Chandravanshi "%s: Target info is not persistent\n", __func__); 75321e9e2be3SAdheer Chandravanshi ret = -EIO; 75331e9e2be3SAdheer Chandravanshi goto exit_ddb_login; 75341e9e2be3SAdheer Chandravanshi } 75351e9e2be3SAdheer Chandravanshi 75361e9e2be3SAdheer Chandravanshi fw_ddb_entry = dma_alloc_coherent(&ha->pdev->dev, sizeof(*fw_ddb_entry), 75371e9e2be3SAdheer Chandravanshi &fw_ddb_entry_dma, GFP_KERNEL); 75381e9e2be3SAdheer Chandravanshi if (!fw_ddb_entry) { 75391e9e2be3SAdheer Chandravanshi DEBUG2(ql4_printk(KERN_ERR, ha, 75401e9e2be3SAdheer Chandravanshi "%s: Unable to allocate dma buffer\n", 75411e9e2be3SAdheer Chandravanshi __func__)); 75421e9e2be3SAdheer Chandravanshi ret = -ENOMEM; 75431e9e2be3SAdheer Chandravanshi goto exit_ddb_login; 75441e9e2be3SAdheer Chandravanshi } 75451e9e2be3SAdheer Chandravanshi 7546c962c18bSAdheer Chandravanshi if (!strncasecmp(fnode_sess->portal_type, PORTAL_TYPE_IPV6, 4)) 75471e9e2be3SAdheer Chandravanshi options |= IPV6_DEFAULT_DDB_ENTRY; 75481e9e2be3SAdheer Chandravanshi 75491e9e2be3SAdheer Chandravanshi ret = qla4xxx_get_default_ddb(ha, options, fw_ddb_entry_dma); 75501e9e2be3SAdheer Chandravanshi if (ret == QLA_ERROR) 75511e9e2be3SAdheer Chandravanshi goto exit_ddb_login; 75521e9e2be3SAdheer Chandravanshi 75531e9e2be3SAdheer Chandravanshi qla4xxx_copy_to_fwddb_param(fnode_sess, fnode_conn, fw_ddb_entry); 75541e9e2be3SAdheer Chandravanshi fw_ddb_entry->cookie = DDB_VALID_COOKIE; 75551e9e2be3SAdheer Chandravanshi 75561e9e2be3SAdheer Chandravanshi if (strlen((char *)fw_ddb_entry->iscsi_name) == 0) 7557ad8bd45eSManish Rangankar ret = qla4xxx_ddb_login_st(ha, fw_ddb_entry, 7558ad8bd45eSManish Rangankar fnode_sess->target_id); 75591e9e2be3SAdheer Chandravanshi else 75601e9e2be3SAdheer Chandravanshi ret = qla4xxx_ddb_login_nt(ha, fw_ddb_entry, 75611e9e2be3SAdheer Chandravanshi fnode_sess->target_id); 75621e9e2be3SAdheer Chandravanshi 75631e9e2be3SAdheer Chandravanshi if (ret > 0) 75641e9e2be3SAdheer Chandravanshi ret = -EIO; 75651e9e2be3SAdheer Chandravanshi 75661e9e2be3SAdheer Chandravanshi exit_ddb_login: 75671e9e2be3SAdheer Chandravanshi if (fw_ddb_entry) 75681e9e2be3SAdheer Chandravanshi dma_free_coherent(&ha->pdev->dev, sizeof(*fw_ddb_entry), 75691e9e2be3SAdheer Chandravanshi fw_ddb_entry, fw_ddb_entry_dma); 75701e9e2be3SAdheer Chandravanshi return ret; 75711e9e2be3SAdheer Chandravanshi } 75721e9e2be3SAdheer Chandravanshi 75731e9e2be3SAdheer Chandravanshi /** 75741e9e2be3SAdheer Chandravanshi * qla4xxx_sysfs_ddb_logout_sid - Logout session for the specified target 75751e9e2be3SAdheer Chandravanshi * @cls_sess: pointer to session to be logged out 75761e9e2be3SAdheer Chandravanshi * 75771e9e2be3SAdheer Chandravanshi * This performs session log out from the specified target 75781e9e2be3SAdheer Chandravanshi **/ 75791e9e2be3SAdheer Chandravanshi static int qla4xxx_sysfs_ddb_logout_sid(struct iscsi_cls_session *cls_sess) 75801e9e2be3SAdheer Chandravanshi { 75811e9e2be3SAdheer Chandravanshi struct iscsi_session *sess; 75821e9e2be3SAdheer Chandravanshi struct ddb_entry *ddb_entry = NULL; 75831e9e2be3SAdheer Chandravanshi struct scsi_qla_host *ha; 75841e9e2be3SAdheer Chandravanshi struct dev_db_entry *fw_ddb_entry = NULL; 75851e9e2be3SAdheer Chandravanshi dma_addr_t fw_ddb_entry_dma; 75861e9e2be3SAdheer Chandravanshi unsigned long flags; 75871e9e2be3SAdheer Chandravanshi unsigned long wtime; 75881e9e2be3SAdheer Chandravanshi uint32_t ddb_state; 75891e9e2be3SAdheer Chandravanshi int options; 75901e9e2be3SAdheer Chandravanshi int ret = 0; 75911e9e2be3SAdheer Chandravanshi 75921e9e2be3SAdheer Chandravanshi sess = cls_sess->dd_data; 75931e9e2be3SAdheer Chandravanshi ddb_entry = sess->dd_data; 75941e9e2be3SAdheer Chandravanshi ha = ddb_entry->ha; 75951e9e2be3SAdheer Chandravanshi 75961e9e2be3SAdheer Chandravanshi if (ddb_entry->ddb_type != FLASH_DDB) { 75971e9e2be3SAdheer Chandravanshi ql4_printk(KERN_ERR, ha, "%s: Not a flash node session\n", 75981e9e2be3SAdheer Chandravanshi __func__); 75991e9e2be3SAdheer Chandravanshi ret = -ENXIO; 76001e9e2be3SAdheer Chandravanshi goto exit_ddb_logout; 76011e9e2be3SAdheer Chandravanshi } 76021e9e2be3SAdheer Chandravanshi 760337719c2aSAdheer Chandravanshi if (test_bit(DF_BOOT_TGT, &ddb_entry->flags)) { 760437719c2aSAdheer Chandravanshi ql4_printk(KERN_ERR, ha, 760537719c2aSAdheer Chandravanshi "%s: Logout from boot target entry is not permitted.\n", 760637719c2aSAdheer Chandravanshi __func__); 760737719c2aSAdheer Chandravanshi ret = -EPERM; 760837719c2aSAdheer Chandravanshi goto exit_ddb_logout; 760937719c2aSAdheer Chandravanshi } 761037719c2aSAdheer Chandravanshi 76111e9e2be3SAdheer Chandravanshi fw_ddb_entry = dma_alloc_coherent(&ha->pdev->dev, sizeof(*fw_ddb_entry), 76121e9e2be3SAdheer Chandravanshi &fw_ddb_entry_dma, GFP_KERNEL); 76131e9e2be3SAdheer Chandravanshi if (!fw_ddb_entry) { 76141e9e2be3SAdheer Chandravanshi ql4_printk(KERN_ERR, ha, 76151e9e2be3SAdheer Chandravanshi "%s: Unable to allocate dma buffer\n", __func__); 76161e9e2be3SAdheer Chandravanshi ret = -ENOMEM; 76171e9e2be3SAdheer Chandravanshi goto exit_ddb_logout; 76181e9e2be3SAdheer Chandravanshi } 76191e9e2be3SAdheer Chandravanshi 762099c6a33bSAdheer Chandravanshi if (test_and_set_bit(DF_DISABLE_RELOGIN, &ddb_entry->flags)) 762199c6a33bSAdheer Chandravanshi goto ddb_logout_init; 762299c6a33bSAdheer Chandravanshi 762399c6a33bSAdheer Chandravanshi ret = qla4xxx_get_fwddb_entry(ha, ddb_entry->fw_ddb_index, 762499c6a33bSAdheer Chandravanshi fw_ddb_entry, fw_ddb_entry_dma, 762599c6a33bSAdheer Chandravanshi NULL, NULL, &ddb_state, NULL, 762699c6a33bSAdheer Chandravanshi NULL, NULL); 762799c6a33bSAdheer Chandravanshi if (ret == QLA_ERROR) 762899c6a33bSAdheer Chandravanshi goto ddb_logout_init; 762999c6a33bSAdheer Chandravanshi 763099c6a33bSAdheer Chandravanshi if (ddb_state == DDB_DS_SESSION_ACTIVE) 763199c6a33bSAdheer Chandravanshi goto ddb_logout_init; 763299c6a33bSAdheer Chandravanshi 763399c6a33bSAdheer Chandravanshi /* wait until next relogin is triggered using DF_RELOGIN and 763499c6a33bSAdheer Chandravanshi * clear DF_RELOGIN to avoid invocation of further relogin 763599c6a33bSAdheer Chandravanshi */ 763699c6a33bSAdheer Chandravanshi wtime = jiffies + (HZ * RELOGIN_TOV); 763799c6a33bSAdheer Chandravanshi do { 763899c6a33bSAdheer Chandravanshi if (test_and_clear_bit(DF_RELOGIN, &ddb_entry->flags)) 763999c6a33bSAdheer Chandravanshi goto ddb_logout_init; 764099c6a33bSAdheer Chandravanshi 764199c6a33bSAdheer Chandravanshi schedule_timeout_uninterruptible(HZ); 764299c6a33bSAdheer Chandravanshi } while ((time_after(wtime, jiffies))); 764399c6a33bSAdheer Chandravanshi 764499c6a33bSAdheer Chandravanshi ddb_logout_init: 764599c6a33bSAdheer Chandravanshi atomic_set(&ddb_entry->retry_relogin_timer, INVALID_ENTRY); 764699c6a33bSAdheer Chandravanshi atomic_set(&ddb_entry->relogin_timer, 0); 764799c6a33bSAdheer Chandravanshi 764899c6a33bSAdheer Chandravanshi options = LOGOUT_OPTION_CLOSE_SESSION; 764999c6a33bSAdheer Chandravanshi qla4xxx_session_logout_ddb(ha, ddb_entry, options); 765099c6a33bSAdheer Chandravanshi 765199c6a33bSAdheer Chandravanshi memset(fw_ddb_entry, 0, sizeof(*fw_ddb_entry)); 76521e9e2be3SAdheer Chandravanshi wtime = jiffies + (HZ * LOGOUT_TOV); 76531e9e2be3SAdheer Chandravanshi do { 76541e9e2be3SAdheer Chandravanshi ret = qla4xxx_get_fwddb_entry(ha, ddb_entry->fw_ddb_index, 76551e9e2be3SAdheer Chandravanshi fw_ddb_entry, fw_ddb_entry_dma, 76561e9e2be3SAdheer Chandravanshi NULL, NULL, &ddb_state, NULL, 76571e9e2be3SAdheer Chandravanshi NULL, NULL); 76581e9e2be3SAdheer Chandravanshi if (ret == QLA_ERROR) 76591e9e2be3SAdheer Chandravanshi goto ddb_logout_clr_sess; 76601e9e2be3SAdheer Chandravanshi 76611e9e2be3SAdheer Chandravanshi if ((ddb_state == DDB_DS_NO_CONNECTION_ACTIVE) || 76621e9e2be3SAdheer Chandravanshi (ddb_state == DDB_DS_SESSION_FAILED)) 76631e9e2be3SAdheer Chandravanshi goto ddb_logout_clr_sess; 76641e9e2be3SAdheer Chandravanshi 76651e9e2be3SAdheer Chandravanshi schedule_timeout_uninterruptible(HZ); 76661e9e2be3SAdheer Chandravanshi } while ((time_after(wtime, jiffies))); 76671e9e2be3SAdheer Chandravanshi 76681e9e2be3SAdheer Chandravanshi ddb_logout_clr_sess: 76691e9e2be3SAdheer Chandravanshi qla4xxx_clear_ddb_entry(ha, ddb_entry->fw_ddb_index); 76701e9e2be3SAdheer Chandravanshi /* 76711e9e2be3SAdheer Chandravanshi * we have decremented the reference count of the driver 76721e9e2be3SAdheer Chandravanshi * when we setup the session to have the driver unload 76731e9e2be3SAdheer Chandravanshi * to be seamless without actually destroying the 76741e9e2be3SAdheer Chandravanshi * session 76751e9e2be3SAdheer Chandravanshi **/ 76761e9e2be3SAdheer Chandravanshi try_module_get(qla4xxx_iscsi_transport.owner); 76771e9e2be3SAdheer Chandravanshi iscsi_destroy_endpoint(ddb_entry->conn->ep); 76781e9e2be3SAdheer Chandravanshi 76791e9e2be3SAdheer Chandravanshi spin_lock_irqsave(&ha->hardware_lock, flags); 76801e9e2be3SAdheer Chandravanshi qla4xxx_free_ddb(ha, ddb_entry); 768199c6a33bSAdheer Chandravanshi clear_bit(ddb_entry->fw_ddb_index, ha->ddb_idx_map); 76821e9e2be3SAdheer Chandravanshi spin_unlock_irqrestore(&ha->hardware_lock, flags); 76831e9e2be3SAdheer Chandravanshi 76841e9e2be3SAdheer Chandravanshi iscsi_session_teardown(ddb_entry->sess); 76851e9e2be3SAdheer Chandravanshi 768699c6a33bSAdheer Chandravanshi clear_bit(DF_DISABLE_RELOGIN, &ddb_entry->flags); 76871e9e2be3SAdheer Chandravanshi ret = QLA_SUCCESS; 76881e9e2be3SAdheer Chandravanshi 76891e9e2be3SAdheer Chandravanshi exit_ddb_logout: 76901e9e2be3SAdheer Chandravanshi if (fw_ddb_entry) 76911e9e2be3SAdheer Chandravanshi dma_free_coherent(&ha->pdev->dev, sizeof(*fw_ddb_entry), 76921e9e2be3SAdheer Chandravanshi fw_ddb_entry, fw_ddb_entry_dma); 76931e9e2be3SAdheer Chandravanshi return ret; 76941e9e2be3SAdheer Chandravanshi } 76951e9e2be3SAdheer Chandravanshi 76961e9e2be3SAdheer Chandravanshi /** 76971e9e2be3SAdheer Chandravanshi * qla4xxx_sysfs_ddb_logout - Logout from the specified target 76981e9e2be3SAdheer Chandravanshi * @fnode_sess: pointer to session attrs of flash ddb entry 76991e9e2be3SAdheer Chandravanshi * @fnode_conn: pointer to connection attrs of flash ddb entry 77001e9e2be3SAdheer Chandravanshi * 77011e9e2be3SAdheer Chandravanshi * This performs log out from the specified target 77021e9e2be3SAdheer Chandravanshi **/ 77031e9e2be3SAdheer Chandravanshi static int qla4xxx_sysfs_ddb_logout(struct iscsi_bus_flash_session *fnode_sess, 77041e9e2be3SAdheer Chandravanshi struct iscsi_bus_flash_conn *fnode_conn) 77051e9e2be3SAdheer Chandravanshi { 77061e9e2be3SAdheer Chandravanshi struct Scsi_Host *shost = iscsi_flash_session_to_shost(fnode_sess); 77071e9e2be3SAdheer Chandravanshi struct scsi_qla_host *ha = to_qla_host(shost); 77081e9e2be3SAdheer Chandravanshi struct ql4_tuple_ddb *flash_tddb = NULL; 77091e9e2be3SAdheer Chandravanshi struct ql4_tuple_ddb *tmp_tddb = NULL; 77101e9e2be3SAdheer Chandravanshi struct dev_db_entry *fw_ddb_entry = NULL; 77111e9e2be3SAdheer Chandravanshi struct ddb_entry *ddb_entry = NULL; 77121e9e2be3SAdheer Chandravanshi dma_addr_t fw_ddb_dma; 77131e9e2be3SAdheer Chandravanshi uint32_t next_idx = 0; 77141e9e2be3SAdheer Chandravanshi uint32_t state = 0, conn_err = 0; 77151e9e2be3SAdheer Chandravanshi uint16_t conn_id = 0; 77161e9e2be3SAdheer Chandravanshi int idx, index; 77171e9e2be3SAdheer Chandravanshi int status, ret = 0; 77181e9e2be3SAdheer Chandravanshi 77191e9e2be3SAdheer Chandravanshi fw_ddb_entry = dma_pool_alloc(ha->fw_ddb_dma_pool, GFP_KERNEL, 77201e9e2be3SAdheer Chandravanshi &fw_ddb_dma); 77211e9e2be3SAdheer Chandravanshi if (fw_ddb_entry == NULL) { 77221e9e2be3SAdheer Chandravanshi ql4_printk(KERN_ERR, ha, "%s:Out of memory\n", __func__); 77231e9e2be3SAdheer Chandravanshi ret = -ENOMEM; 77241e9e2be3SAdheer Chandravanshi goto exit_ddb_logout; 77251e9e2be3SAdheer Chandravanshi } 77261e9e2be3SAdheer Chandravanshi 77271e9e2be3SAdheer Chandravanshi flash_tddb = vzalloc(sizeof(*flash_tddb)); 77281e9e2be3SAdheer Chandravanshi if (!flash_tddb) { 77291e9e2be3SAdheer Chandravanshi ql4_printk(KERN_WARNING, ha, 77301e9e2be3SAdheer Chandravanshi "%s:Memory Allocation failed.\n", __func__); 77311e9e2be3SAdheer Chandravanshi ret = -ENOMEM; 77321e9e2be3SAdheer Chandravanshi goto exit_ddb_logout; 77331e9e2be3SAdheer Chandravanshi } 77341e9e2be3SAdheer Chandravanshi 77351e9e2be3SAdheer Chandravanshi tmp_tddb = vzalloc(sizeof(*tmp_tddb)); 77361e9e2be3SAdheer Chandravanshi if (!tmp_tddb) { 77371e9e2be3SAdheer Chandravanshi ql4_printk(KERN_WARNING, ha, 77381e9e2be3SAdheer Chandravanshi "%s:Memory Allocation failed.\n", __func__); 77391e9e2be3SAdheer Chandravanshi ret = -ENOMEM; 77401e9e2be3SAdheer Chandravanshi goto exit_ddb_logout; 77411e9e2be3SAdheer Chandravanshi } 77421e9e2be3SAdheer Chandravanshi 77431e9e2be3SAdheer Chandravanshi if (!fnode_sess->targetname) { 77441e9e2be3SAdheer Chandravanshi ql4_printk(KERN_ERR, ha, 77451e9e2be3SAdheer Chandravanshi "%s:Cannot logout from SendTarget entry\n", 77461e9e2be3SAdheer Chandravanshi __func__); 77471e9e2be3SAdheer Chandravanshi ret = -EPERM; 77481e9e2be3SAdheer Chandravanshi goto exit_ddb_logout; 77491e9e2be3SAdheer Chandravanshi } 77501e9e2be3SAdheer Chandravanshi 77511e9e2be3SAdheer Chandravanshi if (fnode_sess->is_boot_target) { 77521e9e2be3SAdheer Chandravanshi ql4_printk(KERN_ERR, ha, 77531e9e2be3SAdheer Chandravanshi "%s: Logout from boot target entry is not permitted.\n", 77541e9e2be3SAdheer Chandravanshi __func__); 77551e9e2be3SAdheer Chandravanshi ret = -EPERM; 77561e9e2be3SAdheer Chandravanshi goto exit_ddb_logout; 77571e9e2be3SAdheer Chandravanshi } 77581e9e2be3SAdheer Chandravanshi 7759bdbb9662SRickard Strandqvist strlcpy(flash_tddb->iscsi_name, fnode_sess->targetname, 77601e9e2be3SAdheer Chandravanshi ISCSI_NAME_SIZE); 77611e9e2be3SAdheer Chandravanshi 7762c962c18bSAdheer Chandravanshi if (!strncmp(fnode_sess->portal_type, PORTAL_TYPE_IPV6, 4)) 77631e9e2be3SAdheer Chandravanshi sprintf(flash_tddb->ip_addr, "%pI6", fnode_conn->ipaddress); 77641e9e2be3SAdheer Chandravanshi else 77651e9e2be3SAdheer Chandravanshi sprintf(flash_tddb->ip_addr, "%pI4", fnode_conn->ipaddress); 77661e9e2be3SAdheer Chandravanshi 77671e9e2be3SAdheer Chandravanshi flash_tddb->tpgt = fnode_sess->tpgt; 77681e9e2be3SAdheer Chandravanshi flash_tddb->port = fnode_conn->port; 77691e9e2be3SAdheer Chandravanshi 77701e9e2be3SAdheer Chandravanshi COPY_ISID(flash_tddb->isid, fnode_sess->isid); 77711e9e2be3SAdheer Chandravanshi 77721e9e2be3SAdheer Chandravanshi for (idx = 0; idx < MAX_DDB_ENTRIES; idx++) { 77731e9e2be3SAdheer Chandravanshi ddb_entry = qla4xxx_lookup_ddb_by_fw_index(ha, idx); 77741e9e2be3SAdheer Chandravanshi if (ddb_entry == NULL) 77751e9e2be3SAdheer Chandravanshi continue; 77761e9e2be3SAdheer Chandravanshi 77771e9e2be3SAdheer Chandravanshi if (ddb_entry->ddb_type != FLASH_DDB) 77781e9e2be3SAdheer Chandravanshi continue; 77791e9e2be3SAdheer Chandravanshi 77801e9e2be3SAdheer Chandravanshi index = ddb_entry->sess->target_id; 77811e9e2be3SAdheer Chandravanshi status = qla4xxx_get_fwddb_entry(ha, index, fw_ddb_entry, 77821e9e2be3SAdheer Chandravanshi fw_ddb_dma, NULL, &next_idx, 77831e9e2be3SAdheer Chandravanshi &state, &conn_err, NULL, 77841e9e2be3SAdheer Chandravanshi &conn_id); 77851e9e2be3SAdheer Chandravanshi if (status == QLA_ERROR) { 77861e9e2be3SAdheer Chandravanshi ret = -ENOMEM; 77871e9e2be3SAdheer Chandravanshi break; 77881e9e2be3SAdheer Chandravanshi } 77891e9e2be3SAdheer Chandravanshi 77901e9e2be3SAdheer Chandravanshi qla4xxx_convert_param_ddb(fw_ddb_entry, tmp_tddb, NULL); 77911e9e2be3SAdheer Chandravanshi 77921e9e2be3SAdheer Chandravanshi status = qla4xxx_compare_tuple_ddb(ha, flash_tddb, tmp_tddb, 77931e9e2be3SAdheer Chandravanshi true); 77941e9e2be3SAdheer Chandravanshi if (status == QLA_SUCCESS) { 77951e9e2be3SAdheer Chandravanshi ret = qla4xxx_sysfs_ddb_logout_sid(ddb_entry->sess); 77961e9e2be3SAdheer Chandravanshi break; 77971e9e2be3SAdheer Chandravanshi } 77981e9e2be3SAdheer Chandravanshi } 77991e9e2be3SAdheer Chandravanshi 78001e9e2be3SAdheer Chandravanshi if (idx == MAX_DDB_ENTRIES) 78011e9e2be3SAdheer Chandravanshi ret = -ESRCH; 78021e9e2be3SAdheer Chandravanshi 78031e9e2be3SAdheer Chandravanshi exit_ddb_logout: 78041e9e2be3SAdheer Chandravanshi if (flash_tddb) 78051e9e2be3SAdheer Chandravanshi vfree(flash_tddb); 78061e9e2be3SAdheer Chandravanshi if (tmp_tddb) 78071e9e2be3SAdheer Chandravanshi vfree(tmp_tddb); 78081e9e2be3SAdheer Chandravanshi if (fw_ddb_entry) 78091e9e2be3SAdheer Chandravanshi dma_pool_free(ha->fw_ddb_dma_pool, fw_ddb_entry, fw_ddb_dma); 78101e9e2be3SAdheer Chandravanshi 78111e9e2be3SAdheer Chandravanshi return ret; 78121e9e2be3SAdheer Chandravanshi } 78131e9e2be3SAdheer Chandravanshi 78141e9e2be3SAdheer Chandravanshi static int 78151e9e2be3SAdheer Chandravanshi qla4xxx_sysfs_ddb_get_param(struct iscsi_bus_flash_session *fnode_sess, 78161e9e2be3SAdheer Chandravanshi int param, char *buf) 78171e9e2be3SAdheer Chandravanshi { 78181e9e2be3SAdheer Chandravanshi struct Scsi_Host *shost = iscsi_flash_session_to_shost(fnode_sess); 78191e9e2be3SAdheer Chandravanshi struct scsi_qla_host *ha = to_qla_host(shost); 78201e9e2be3SAdheer Chandravanshi struct iscsi_bus_flash_conn *fnode_conn; 78211e9e2be3SAdheer Chandravanshi struct ql4_chap_table chap_tbl; 78221e9e2be3SAdheer Chandravanshi struct device *dev; 7823a2f76636SAdheer Chandravanshi int parent_type; 78241e9e2be3SAdheer Chandravanshi int rc = 0; 78251e9e2be3SAdheer Chandravanshi 78268526cb11SMike Christie dev = iscsi_find_flashnode_conn(fnode_sess); 78271e9e2be3SAdheer Chandravanshi if (!dev) 78281e9e2be3SAdheer Chandravanshi return -EIO; 78291e9e2be3SAdheer Chandravanshi 78301e9e2be3SAdheer Chandravanshi fnode_conn = iscsi_dev_to_flash_conn(dev); 78311e9e2be3SAdheer Chandravanshi 78321e9e2be3SAdheer Chandravanshi switch (param) { 78331e9e2be3SAdheer Chandravanshi case ISCSI_FLASHNODE_IS_FW_ASSIGNED_IPV6: 78341e9e2be3SAdheer Chandravanshi rc = sprintf(buf, "%u\n", fnode_conn->is_fw_assigned_ipv6); 78351e9e2be3SAdheer Chandravanshi break; 78361e9e2be3SAdheer Chandravanshi case ISCSI_FLASHNODE_PORTAL_TYPE: 78371e9e2be3SAdheer Chandravanshi rc = sprintf(buf, "%s\n", fnode_sess->portal_type); 78381e9e2be3SAdheer Chandravanshi break; 78391e9e2be3SAdheer Chandravanshi case ISCSI_FLASHNODE_AUTO_SND_TGT_DISABLE: 78401e9e2be3SAdheer Chandravanshi rc = sprintf(buf, "%u\n", fnode_sess->auto_snd_tgt_disable); 78411e9e2be3SAdheer Chandravanshi break; 78421e9e2be3SAdheer Chandravanshi case ISCSI_FLASHNODE_DISCOVERY_SESS: 78431e9e2be3SAdheer Chandravanshi rc = sprintf(buf, "%u\n", fnode_sess->discovery_sess); 78441e9e2be3SAdheer Chandravanshi break; 78451e9e2be3SAdheer Chandravanshi case ISCSI_FLASHNODE_ENTRY_EN: 78461e9e2be3SAdheer Chandravanshi rc = sprintf(buf, "%u\n", fnode_sess->entry_state); 78471e9e2be3SAdheer Chandravanshi break; 78481e9e2be3SAdheer Chandravanshi case ISCSI_FLASHNODE_HDR_DGST_EN: 78491e9e2be3SAdheer Chandravanshi rc = sprintf(buf, "%u\n", fnode_conn->hdrdgst_en); 78501e9e2be3SAdheer Chandravanshi break; 78511e9e2be3SAdheer Chandravanshi case ISCSI_FLASHNODE_DATA_DGST_EN: 78521e9e2be3SAdheer Chandravanshi rc = sprintf(buf, "%u\n", fnode_conn->datadgst_en); 78531e9e2be3SAdheer Chandravanshi break; 78541e9e2be3SAdheer Chandravanshi case ISCSI_FLASHNODE_IMM_DATA_EN: 78551e9e2be3SAdheer Chandravanshi rc = sprintf(buf, "%u\n", fnode_sess->imm_data_en); 78561e9e2be3SAdheer Chandravanshi break; 78571e9e2be3SAdheer Chandravanshi case ISCSI_FLASHNODE_INITIAL_R2T_EN: 78581e9e2be3SAdheer Chandravanshi rc = sprintf(buf, "%u\n", fnode_sess->initial_r2t_en); 78591e9e2be3SAdheer Chandravanshi break; 78601e9e2be3SAdheer Chandravanshi case ISCSI_FLASHNODE_DATASEQ_INORDER: 78611e9e2be3SAdheer Chandravanshi rc = sprintf(buf, "%u\n", fnode_sess->dataseq_inorder_en); 78621e9e2be3SAdheer Chandravanshi break; 78631e9e2be3SAdheer Chandravanshi case ISCSI_FLASHNODE_PDU_INORDER: 78641e9e2be3SAdheer Chandravanshi rc = sprintf(buf, "%u\n", fnode_sess->pdu_inorder_en); 78651e9e2be3SAdheer Chandravanshi break; 78661e9e2be3SAdheer Chandravanshi case ISCSI_FLASHNODE_CHAP_AUTH_EN: 78671e9e2be3SAdheer Chandravanshi rc = sprintf(buf, "%u\n", fnode_sess->chap_auth_en); 78681e9e2be3SAdheer Chandravanshi break; 78691e9e2be3SAdheer Chandravanshi case ISCSI_FLASHNODE_SNACK_REQ_EN: 78701e9e2be3SAdheer Chandravanshi rc = sprintf(buf, "%u\n", fnode_conn->snack_req_en); 78711e9e2be3SAdheer Chandravanshi break; 78721e9e2be3SAdheer Chandravanshi case ISCSI_FLASHNODE_DISCOVERY_LOGOUT_EN: 78731e9e2be3SAdheer Chandravanshi rc = sprintf(buf, "%u\n", fnode_sess->discovery_logout_en); 78741e9e2be3SAdheer Chandravanshi break; 78751e9e2be3SAdheer Chandravanshi case ISCSI_FLASHNODE_BIDI_CHAP_EN: 78761e9e2be3SAdheer Chandravanshi rc = sprintf(buf, "%u\n", fnode_sess->bidi_chap_en); 78771e9e2be3SAdheer Chandravanshi break; 78781e9e2be3SAdheer Chandravanshi case ISCSI_FLASHNODE_DISCOVERY_AUTH_OPTIONAL: 78791e9e2be3SAdheer Chandravanshi rc = sprintf(buf, "%u\n", fnode_sess->discovery_auth_optional); 78801e9e2be3SAdheer Chandravanshi break; 78811e9e2be3SAdheer Chandravanshi case ISCSI_FLASHNODE_ERL: 78821e9e2be3SAdheer Chandravanshi rc = sprintf(buf, "%u\n", fnode_sess->erl); 78831e9e2be3SAdheer Chandravanshi break; 78841e9e2be3SAdheer Chandravanshi case ISCSI_FLASHNODE_TCP_TIMESTAMP_STAT: 78851e9e2be3SAdheer Chandravanshi rc = sprintf(buf, "%u\n", fnode_conn->tcp_timestamp_stat); 78861e9e2be3SAdheer Chandravanshi break; 78871e9e2be3SAdheer Chandravanshi case ISCSI_FLASHNODE_TCP_NAGLE_DISABLE: 78881e9e2be3SAdheer Chandravanshi rc = sprintf(buf, "%u\n", fnode_conn->tcp_nagle_disable); 78891e9e2be3SAdheer Chandravanshi break; 78901e9e2be3SAdheer Chandravanshi case ISCSI_FLASHNODE_TCP_WSF_DISABLE: 78911e9e2be3SAdheer Chandravanshi rc = sprintf(buf, "%u\n", fnode_conn->tcp_wsf_disable); 78921e9e2be3SAdheer Chandravanshi break; 78931e9e2be3SAdheer Chandravanshi case ISCSI_FLASHNODE_TCP_TIMER_SCALE: 78941e9e2be3SAdheer Chandravanshi rc = sprintf(buf, "%u\n", fnode_conn->tcp_timer_scale); 78951e9e2be3SAdheer Chandravanshi break; 78961e9e2be3SAdheer Chandravanshi case ISCSI_FLASHNODE_TCP_TIMESTAMP_EN: 78971e9e2be3SAdheer Chandravanshi rc = sprintf(buf, "%u\n", fnode_conn->tcp_timestamp_en); 78981e9e2be3SAdheer Chandravanshi break; 78991e9e2be3SAdheer Chandravanshi case ISCSI_FLASHNODE_IP_FRAG_DISABLE: 79001e9e2be3SAdheer Chandravanshi rc = sprintf(buf, "%u\n", fnode_conn->fragment_disable); 79011e9e2be3SAdheer Chandravanshi break; 79021e9e2be3SAdheer Chandravanshi case ISCSI_FLASHNODE_MAX_RECV_DLENGTH: 79031e9e2be3SAdheer Chandravanshi rc = sprintf(buf, "%u\n", fnode_conn->max_recv_dlength); 79041e9e2be3SAdheer Chandravanshi break; 79051e9e2be3SAdheer Chandravanshi case ISCSI_FLASHNODE_MAX_XMIT_DLENGTH: 79061e9e2be3SAdheer Chandravanshi rc = sprintf(buf, "%u\n", fnode_conn->max_xmit_dlength); 79071e9e2be3SAdheer Chandravanshi break; 79081e9e2be3SAdheer Chandravanshi case ISCSI_FLASHNODE_FIRST_BURST: 79091e9e2be3SAdheer Chandravanshi rc = sprintf(buf, "%u\n", fnode_sess->first_burst); 79101e9e2be3SAdheer Chandravanshi break; 79111e9e2be3SAdheer Chandravanshi case ISCSI_FLASHNODE_DEF_TIME2WAIT: 79121e9e2be3SAdheer Chandravanshi rc = sprintf(buf, "%u\n", fnode_sess->time2wait); 79131e9e2be3SAdheer Chandravanshi break; 79141e9e2be3SAdheer Chandravanshi case ISCSI_FLASHNODE_DEF_TIME2RETAIN: 79151e9e2be3SAdheer Chandravanshi rc = sprintf(buf, "%u\n", fnode_sess->time2retain); 79161e9e2be3SAdheer Chandravanshi break; 79171e9e2be3SAdheer Chandravanshi case ISCSI_FLASHNODE_MAX_R2T: 79181e9e2be3SAdheer Chandravanshi rc = sprintf(buf, "%u\n", fnode_sess->max_r2t); 79191e9e2be3SAdheer Chandravanshi break; 79201e9e2be3SAdheer Chandravanshi case ISCSI_FLASHNODE_KEEPALIVE_TMO: 79211e9e2be3SAdheer Chandravanshi rc = sprintf(buf, "%u\n", fnode_conn->keepalive_timeout); 79221e9e2be3SAdheer Chandravanshi break; 79231e9e2be3SAdheer Chandravanshi case ISCSI_FLASHNODE_ISID: 7924d1d81bd0SOleksandr Khoshaba rc = sprintf(buf, "%pm\n", fnode_sess->isid); 79251e9e2be3SAdheer Chandravanshi break; 79261e9e2be3SAdheer Chandravanshi case ISCSI_FLASHNODE_TSID: 79271e9e2be3SAdheer Chandravanshi rc = sprintf(buf, "%u\n", fnode_sess->tsid); 79281e9e2be3SAdheer Chandravanshi break; 79291e9e2be3SAdheer Chandravanshi case ISCSI_FLASHNODE_PORT: 79301e9e2be3SAdheer Chandravanshi rc = sprintf(buf, "%d\n", fnode_conn->port); 79311e9e2be3SAdheer Chandravanshi break; 79321e9e2be3SAdheer Chandravanshi case ISCSI_FLASHNODE_MAX_BURST: 79331e9e2be3SAdheer Chandravanshi rc = sprintf(buf, "%u\n", fnode_sess->max_burst); 79341e9e2be3SAdheer Chandravanshi break; 79351e9e2be3SAdheer Chandravanshi case ISCSI_FLASHNODE_DEF_TASKMGMT_TMO: 79361e9e2be3SAdheer Chandravanshi rc = sprintf(buf, "%u\n", 79371e9e2be3SAdheer Chandravanshi fnode_sess->default_taskmgmt_timeout); 79381e9e2be3SAdheer Chandravanshi break; 79391e9e2be3SAdheer Chandravanshi case ISCSI_FLASHNODE_IPADDR: 7940c962c18bSAdheer Chandravanshi if (!strncmp(fnode_sess->portal_type, PORTAL_TYPE_IPV6, 4)) 79411e9e2be3SAdheer Chandravanshi rc = sprintf(buf, "%pI6\n", fnode_conn->ipaddress); 79421e9e2be3SAdheer Chandravanshi else 79431e9e2be3SAdheer Chandravanshi rc = sprintf(buf, "%pI4\n", fnode_conn->ipaddress); 79441e9e2be3SAdheer Chandravanshi break; 79451e9e2be3SAdheer Chandravanshi case ISCSI_FLASHNODE_ALIAS: 79461e9e2be3SAdheer Chandravanshi if (fnode_sess->targetalias) 79471e9e2be3SAdheer Chandravanshi rc = sprintf(buf, "%s\n", fnode_sess->targetalias); 79481e9e2be3SAdheer Chandravanshi else 79491e9e2be3SAdheer Chandravanshi rc = sprintf(buf, "\n"); 79501e9e2be3SAdheer Chandravanshi break; 79511e9e2be3SAdheer Chandravanshi case ISCSI_FLASHNODE_REDIRECT_IPADDR: 7952c962c18bSAdheer Chandravanshi if (!strncmp(fnode_sess->portal_type, PORTAL_TYPE_IPV6, 4)) 79531e9e2be3SAdheer Chandravanshi rc = sprintf(buf, "%pI6\n", 79541e9e2be3SAdheer Chandravanshi fnode_conn->redirect_ipaddr); 79551e9e2be3SAdheer Chandravanshi else 79561e9e2be3SAdheer Chandravanshi rc = sprintf(buf, "%pI4\n", 79571e9e2be3SAdheer Chandravanshi fnode_conn->redirect_ipaddr); 79581e9e2be3SAdheer Chandravanshi break; 79591e9e2be3SAdheer Chandravanshi case ISCSI_FLASHNODE_MAX_SEGMENT_SIZE: 79601e9e2be3SAdheer Chandravanshi rc = sprintf(buf, "%u\n", fnode_conn->max_segment_size); 79611e9e2be3SAdheer Chandravanshi break; 79621e9e2be3SAdheer Chandravanshi case ISCSI_FLASHNODE_LOCAL_PORT: 79631e9e2be3SAdheer Chandravanshi rc = sprintf(buf, "%u\n", fnode_conn->local_port); 79641e9e2be3SAdheer Chandravanshi break; 79651e9e2be3SAdheer Chandravanshi case ISCSI_FLASHNODE_IPV4_TOS: 79661e9e2be3SAdheer Chandravanshi rc = sprintf(buf, "%u\n", fnode_conn->ipv4_tos); 79671e9e2be3SAdheer Chandravanshi break; 79681e9e2be3SAdheer Chandravanshi case ISCSI_FLASHNODE_IPV6_TC: 7969c962c18bSAdheer Chandravanshi if (!strncmp(fnode_sess->portal_type, PORTAL_TYPE_IPV6, 4)) 79701e9e2be3SAdheer Chandravanshi rc = sprintf(buf, "%u\n", 79711e9e2be3SAdheer Chandravanshi fnode_conn->ipv6_traffic_class); 79721e9e2be3SAdheer Chandravanshi else 79731e9e2be3SAdheer Chandravanshi rc = sprintf(buf, "\n"); 79741e9e2be3SAdheer Chandravanshi break; 79751e9e2be3SAdheer Chandravanshi case ISCSI_FLASHNODE_IPV6_FLOW_LABEL: 79761e9e2be3SAdheer Chandravanshi rc = sprintf(buf, "%u\n", fnode_conn->ipv6_flow_label); 79771e9e2be3SAdheer Chandravanshi break; 79781e9e2be3SAdheer Chandravanshi case ISCSI_FLASHNODE_LINK_LOCAL_IPV6: 7979c962c18bSAdheer Chandravanshi if (!strncmp(fnode_sess->portal_type, PORTAL_TYPE_IPV6, 4)) 79801e9e2be3SAdheer Chandravanshi rc = sprintf(buf, "%pI6\n", 79811e9e2be3SAdheer Chandravanshi fnode_conn->link_local_ipv6_addr); 79821e9e2be3SAdheer Chandravanshi else 79831e9e2be3SAdheer Chandravanshi rc = sprintf(buf, "\n"); 79841e9e2be3SAdheer Chandravanshi break; 79851e9e2be3SAdheer Chandravanshi case ISCSI_FLASHNODE_DISCOVERY_PARENT_IDX: 7986a2f76636SAdheer Chandravanshi rc = sprintf(buf, "%u\n", fnode_sess->discovery_parent_idx); 79871e9e2be3SAdheer Chandravanshi break; 79881e9e2be3SAdheer Chandravanshi case ISCSI_FLASHNODE_DISCOVERY_PARENT_TYPE: 79891e9e2be3SAdheer Chandravanshi if (fnode_sess->discovery_parent_type == DDB_ISNS) 79901e9e2be3SAdheer Chandravanshi parent_type = ISCSI_DISC_PARENT_ISNS; 79911e9e2be3SAdheer Chandravanshi else if (fnode_sess->discovery_parent_type == DDB_NO_LINK) 79921e9e2be3SAdheer Chandravanshi parent_type = ISCSI_DISC_PARENT_UNKNOWN; 7993b6130ceaSVikas Chaudhary else if (fnode_sess->discovery_parent_type < MAX_DDB_ENTRIES) 79941e9e2be3SAdheer Chandravanshi parent_type = ISCSI_DISC_PARENT_SENDTGT; 79951e9e2be3SAdheer Chandravanshi else 79961e9e2be3SAdheer Chandravanshi parent_type = ISCSI_DISC_PARENT_UNKNOWN; 79971e9e2be3SAdheer Chandravanshi 79981e9e2be3SAdheer Chandravanshi rc = sprintf(buf, "%s\n", 79991e9e2be3SAdheer Chandravanshi iscsi_get_discovery_parent_name(parent_type)); 80001e9e2be3SAdheer Chandravanshi break; 80011e9e2be3SAdheer Chandravanshi case ISCSI_FLASHNODE_NAME: 80021e9e2be3SAdheer Chandravanshi if (fnode_sess->targetname) 80031e9e2be3SAdheer Chandravanshi rc = sprintf(buf, "%s\n", fnode_sess->targetname); 80041e9e2be3SAdheer Chandravanshi else 80051e9e2be3SAdheer Chandravanshi rc = sprintf(buf, "\n"); 80061e9e2be3SAdheer Chandravanshi break; 80071e9e2be3SAdheer Chandravanshi case ISCSI_FLASHNODE_TPGT: 80081e9e2be3SAdheer Chandravanshi rc = sprintf(buf, "%u\n", fnode_sess->tpgt); 80091e9e2be3SAdheer Chandravanshi break; 80101e9e2be3SAdheer Chandravanshi case ISCSI_FLASHNODE_TCP_XMIT_WSF: 80111e9e2be3SAdheer Chandravanshi rc = sprintf(buf, "%u\n", fnode_conn->tcp_xmit_wsf); 80121e9e2be3SAdheer Chandravanshi break; 80131e9e2be3SAdheer Chandravanshi case ISCSI_FLASHNODE_TCP_RECV_WSF: 80141e9e2be3SAdheer Chandravanshi rc = sprintf(buf, "%u\n", fnode_conn->tcp_recv_wsf); 80151e9e2be3SAdheer Chandravanshi break; 80161e9e2be3SAdheer Chandravanshi case ISCSI_FLASHNODE_CHAP_OUT_IDX: 80171e9e2be3SAdheer Chandravanshi rc = sprintf(buf, "%u\n", fnode_sess->chap_out_idx); 80181e9e2be3SAdheer Chandravanshi break; 80191e9e2be3SAdheer Chandravanshi case ISCSI_FLASHNODE_USERNAME: 80201e9e2be3SAdheer Chandravanshi if (fnode_sess->chap_auth_en) { 80211e9e2be3SAdheer Chandravanshi qla4xxx_get_uni_chap_at_index(ha, 80221e9e2be3SAdheer Chandravanshi chap_tbl.name, 80231e9e2be3SAdheer Chandravanshi chap_tbl.secret, 80241e9e2be3SAdheer Chandravanshi fnode_sess->chap_out_idx); 80251e9e2be3SAdheer Chandravanshi rc = sprintf(buf, "%s\n", chap_tbl.name); 80261e9e2be3SAdheer Chandravanshi } else { 80271e9e2be3SAdheer Chandravanshi rc = sprintf(buf, "\n"); 80281e9e2be3SAdheer Chandravanshi } 80291e9e2be3SAdheer Chandravanshi break; 80301e9e2be3SAdheer Chandravanshi case ISCSI_FLASHNODE_PASSWORD: 80311e9e2be3SAdheer Chandravanshi if (fnode_sess->chap_auth_en) { 80321e9e2be3SAdheer Chandravanshi qla4xxx_get_uni_chap_at_index(ha, 80331e9e2be3SAdheer Chandravanshi chap_tbl.name, 80341e9e2be3SAdheer Chandravanshi chap_tbl.secret, 80351e9e2be3SAdheer Chandravanshi fnode_sess->chap_out_idx); 80361e9e2be3SAdheer Chandravanshi rc = sprintf(buf, "%s\n", chap_tbl.secret); 80371e9e2be3SAdheer Chandravanshi } else { 80381e9e2be3SAdheer Chandravanshi rc = sprintf(buf, "\n"); 80391e9e2be3SAdheer Chandravanshi } 80401e9e2be3SAdheer Chandravanshi break; 80411e9e2be3SAdheer Chandravanshi case ISCSI_FLASHNODE_STATSN: 80421e9e2be3SAdheer Chandravanshi rc = sprintf(buf, "%u\n", fnode_conn->statsn); 80431e9e2be3SAdheer Chandravanshi break; 80441e9e2be3SAdheer Chandravanshi case ISCSI_FLASHNODE_EXP_STATSN: 80451e9e2be3SAdheer Chandravanshi rc = sprintf(buf, "%u\n", fnode_conn->exp_statsn); 80461e9e2be3SAdheer Chandravanshi break; 80471e9e2be3SAdheer Chandravanshi case ISCSI_FLASHNODE_IS_BOOT_TGT: 80481e9e2be3SAdheer Chandravanshi rc = sprintf(buf, "%u\n", fnode_sess->is_boot_target); 80491e9e2be3SAdheer Chandravanshi break; 80501e9e2be3SAdheer Chandravanshi default: 80511e9e2be3SAdheer Chandravanshi rc = -ENOSYS; 80521e9e2be3SAdheer Chandravanshi break; 80531e9e2be3SAdheer Chandravanshi } 80548526cb11SMike Christie 80558526cb11SMike Christie put_device(dev); 80561e9e2be3SAdheer Chandravanshi return rc; 80571e9e2be3SAdheer Chandravanshi } 80581e9e2be3SAdheer Chandravanshi 80591e9e2be3SAdheer Chandravanshi /** 80601e9e2be3SAdheer Chandravanshi * qla4xxx_sysfs_ddb_set_param - Set parameter for firmware DDB entry 80611e9e2be3SAdheer Chandravanshi * @fnode_sess: pointer to session attrs of flash ddb entry 80621e9e2be3SAdheer Chandravanshi * @fnode_conn: pointer to connection attrs of flash ddb entry 80631e9e2be3SAdheer Chandravanshi * @data: Parameters and their values to update 80641e9e2be3SAdheer Chandravanshi * @len: len of data 80651e9e2be3SAdheer Chandravanshi * 80661e9e2be3SAdheer Chandravanshi * This sets the parameter of flash ddb entry and writes them to flash 80671e9e2be3SAdheer Chandravanshi **/ 80681e9e2be3SAdheer Chandravanshi static int 80691e9e2be3SAdheer Chandravanshi qla4xxx_sysfs_ddb_set_param(struct iscsi_bus_flash_session *fnode_sess, 80701e9e2be3SAdheer Chandravanshi struct iscsi_bus_flash_conn *fnode_conn, 80711e9e2be3SAdheer Chandravanshi void *data, int len) 80721e9e2be3SAdheer Chandravanshi { 80731e9e2be3SAdheer Chandravanshi struct Scsi_Host *shost = iscsi_flash_session_to_shost(fnode_sess); 80741e9e2be3SAdheer Chandravanshi struct scsi_qla_host *ha = to_qla_host(shost); 80751e9e2be3SAdheer Chandravanshi struct iscsi_flashnode_param_info *fnode_param; 8076244c079bSAdheer Chandravanshi struct ql4_chap_table chap_tbl; 80771e9e2be3SAdheer Chandravanshi struct nlattr *attr; 8078244c079bSAdheer Chandravanshi uint16_t chap_out_idx = INVALID_ENTRY; 80791e9e2be3SAdheer Chandravanshi int rc = QLA_ERROR; 80801e9e2be3SAdheer Chandravanshi uint32_t rem = len; 80811e9e2be3SAdheer Chandravanshi 8082244c079bSAdheer Chandravanshi memset((void *)&chap_tbl, 0, sizeof(chap_tbl)); 80831e9e2be3SAdheer Chandravanshi nla_for_each_attr(attr, data, len, rem) { 80841e9e2be3SAdheer Chandravanshi fnode_param = nla_data(attr); 80851e9e2be3SAdheer Chandravanshi 80861e9e2be3SAdheer Chandravanshi switch (fnode_param->param) { 80871e9e2be3SAdheer Chandravanshi case ISCSI_FLASHNODE_IS_FW_ASSIGNED_IPV6: 80881e9e2be3SAdheer Chandravanshi fnode_conn->is_fw_assigned_ipv6 = fnode_param->value[0]; 80891e9e2be3SAdheer Chandravanshi break; 80901e9e2be3SAdheer Chandravanshi case ISCSI_FLASHNODE_PORTAL_TYPE: 80911e9e2be3SAdheer Chandravanshi memcpy(fnode_sess->portal_type, fnode_param->value, 80921e9e2be3SAdheer Chandravanshi strlen(fnode_sess->portal_type)); 80931e9e2be3SAdheer Chandravanshi break; 80941e9e2be3SAdheer Chandravanshi case ISCSI_FLASHNODE_AUTO_SND_TGT_DISABLE: 80951e9e2be3SAdheer Chandravanshi fnode_sess->auto_snd_tgt_disable = 80961e9e2be3SAdheer Chandravanshi fnode_param->value[0]; 80971e9e2be3SAdheer Chandravanshi break; 80981e9e2be3SAdheer Chandravanshi case ISCSI_FLASHNODE_DISCOVERY_SESS: 80991e9e2be3SAdheer Chandravanshi fnode_sess->discovery_sess = fnode_param->value[0]; 81001e9e2be3SAdheer Chandravanshi break; 81011e9e2be3SAdheer Chandravanshi case ISCSI_FLASHNODE_ENTRY_EN: 81021e9e2be3SAdheer Chandravanshi fnode_sess->entry_state = fnode_param->value[0]; 81031e9e2be3SAdheer Chandravanshi break; 81041e9e2be3SAdheer Chandravanshi case ISCSI_FLASHNODE_HDR_DGST_EN: 81051e9e2be3SAdheer Chandravanshi fnode_conn->hdrdgst_en = fnode_param->value[0]; 81061e9e2be3SAdheer Chandravanshi break; 81071e9e2be3SAdheer Chandravanshi case ISCSI_FLASHNODE_DATA_DGST_EN: 81081e9e2be3SAdheer Chandravanshi fnode_conn->datadgst_en = fnode_param->value[0]; 81091e9e2be3SAdheer Chandravanshi break; 81101e9e2be3SAdheer Chandravanshi case ISCSI_FLASHNODE_IMM_DATA_EN: 81111e9e2be3SAdheer Chandravanshi fnode_sess->imm_data_en = fnode_param->value[0]; 81121e9e2be3SAdheer Chandravanshi break; 81131e9e2be3SAdheer Chandravanshi case ISCSI_FLASHNODE_INITIAL_R2T_EN: 81141e9e2be3SAdheer Chandravanshi fnode_sess->initial_r2t_en = fnode_param->value[0]; 81151e9e2be3SAdheer Chandravanshi break; 81161e9e2be3SAdheer Chandravanshi case ISCSI_FLASHNODE_DATASEQ_INORDER: 81171e9e2be3SAdheer Chandravanshi fnode_sess->dataseq_inorder_en = fnode_param->value[0]; 81181e9e2be3SAdheer Chandravanshi break; 81191e9e2be3SAdheer Chandravanshi case ISCSI_FLASHNODE_PDU_INORDER: 81201e9e2be3SAdheer Chandravanshi fnode_sess->pdu_inorder_en = fnode_param->value[0]; 81211e9e2be3SAdheer Chandravanshi break; 81221e9e2be3SAdheer Chandravanshi case ISCSI_FLASHNODE_CHAP_AUTH_EN: 81231e9e2be3SAdheer Chandravanshi fnode_sess->chap_auth_en = fnode_param->value[0]; 8124244c079bSAdheer Chandravanshi /* Invalidate chap index if chap auth is disabled */ 8125244c079bSAdheer Chandravanshi if (!fnode_sess->chap_auth_en) 8126244c079bSAdheer Chandravanshi fnode_sess->chap_out_idx = INVALID_ENTRY; 8127244c079bSAdheer Chandravanshi 81281e9e2be3SAdheer Chandravanshi break; 81291e9e2be3SAdheer Chandravanshi case ISCSI_FLASHNODE_SNACK_REQ_EN: 81301e9e2be3SAdheer Chandravanshi fnode_conn->snack_req_en = fnode_param->value[0]; 81311e9e2be3SAdheer Chandravanshi break; 81321e9e2be3SAdheer Chandravanshi case ISCSI_FLASHNODE_DISCOVERY_LOGOUT_EN: 81331e9e2be3SAdheer Chandravanshi fnode_sess->discovery_logout_en = fnode_param->value[0]; 81341e9e2be3SAdheer Chandravanshi break; 81351e9e2be3SAdheer Chandravanshi case ISCSI_FLASHNODE_BIDI_CHAP_EN: 81361e9e2be3SAdheer Chandravanshi fnode_sess->bidi_chap_en = fnode_param->value[0]; 81371e9e2be3SAdheer Chandravanshi break; 81381e9e2be3SAdheer Chandravanshi case ISCSI_FLASHNODE_DISCOVERY_AUTH_OPTIONAL: 81391e9e2be3SAdheer Chandravanshi fnode_sess->discovery_auth_optional = 81401e9e2be3SAdheer Chandravanshi fnode_param->value[0]; 81411e9e2be3SAdheer Chandravanshi break; 81421e9e2be3SAdheer Chandravanshi case ISCSI_FLASHNODE_ERL: 81431e9e2be3SAdheer Chandravanshi fnode_sess->erl = fnode_param->value[0]; 81441e9e2be3SAdheer Chandravanshi break; 81451e9e2be3SAdheer Chandravanshi case ISCSI_FLASHNODE_TCP_TIMESTAMP_STAT: 81461e9e2be3SAdheer Chandravanshi fnode_conn->tcp_timestamp_stat = fnode_param->value[0]; 81471e9e2be3SAdheer Chandravanshi break; 81481e9e2be3SAdheer Chandravanshi case ISCSI_FLASHNODE_TCP_NAGLE_DISABLE: 81491e9e2be3SAdheer Chandravanshi fnode_conn->tcp_nagle_disable = fnode_param->value[0]; 81501e9e2be3SAdheer Chandravanshi break; 81511e9e2be3SAdheer Chandravanshi case ISCSI_FLASHNODE_TCP_WSF_DISABLE: 81521e9e2be3SAdheer Chandravanshi fnode_conn->tcp_wsf_disable = fnode_param->value[0]; 81531e9e2be3SAdheer Chandravanshi break; 81541e9e2be3SAdheer Chandravanshi case ISCSI_FLASHNODE_TCP_TIMER_SCALE: 81551e9e2be3SAdheer Chandravanshi fnode_conn->tcp_timer_scale = fnode_param->value[0]; 81561e9e2be3SAdheer Chandravanshi break; 81571e9e2be3SAdheer Chandravanshi case ISCSI_FLASHNODE_TCP_TIMESTAMP_EN: 81581e9e2be3SAdheer Chandravanshi fnode_conn->tcp_timestamp_en = fnode_param->value[0]; 81591e9e2be3SAdheer Chandravanshi break; 81601e9e2be3SAdheer Chandravanshi case ISCSI_FLASHNODE_IP_FRAG_DISABLE: 81611e9e2be3SAdheer Chandravanshi fnode_conn->fragment_disable = fnode_param->value[0]; 81621e9e2be3SAdheer Chandravanshi break; 81631e9e2be3SAdheer Chandravanshi case ISCSI_FLASHNODE_MAX_RECV_DLENGTH: 81641e9e2be3SAdheer Chandravanshi fnode_conn->max_recv_dlength = 81651e9e2be3SAdheer Chandravanshi *(unsigned *)fnode_param->value; 81661e9e2be3SAdheer Chandravanshi break; 81671e9e2be3SAdheer Chandravanshi case ISCSI_FLASHNODE_MAX_XMIT_DLENGTH: 81681e9e2be3SAdheer Chandravanshi fnode_conn->max_xmit_dlength = 81691e9e2be3SAdheer Chandravanshi *(unsigned *)fnode_param->value; 81701e9e2be3SAdheer Chandravanshi break; 81711e9e2be3SAdheer Chandravanshi case ISCSI_FLASHNODE_FIRST_BURST: 81721e9e2be3SAdheer Chandravanshi fnode_sess->first_burst = 81731e9e2be3SAdheer Chandravanshi *(unsigned *)fnode_param->value; 81741e9e2be3SAdheer Chandravanshi break; 81751e9e2be3SAdheer Chandravanshi case ISCSI_FLASHNODE_DEF_TIME2WAIT: 81761e9e2be3SAdheer Chandravanshi fnode_sess->time2wait = *(uint16_t *)fnode_param->value; 81771e9e2be3SAdheer Chandravanshi break; 81781e9e2be3SAdheer Chandravanshi case ISCSI_FLASHNODE_DEF_TIME2RETAIN: 81791e9e2be3SAdheer Chandravanshi fnode_sess->time2retain = 81801e9e2be3SAdheer Chandravanshi *(uint16_t *)fnode_param->value; 81811e9e2be3SAdheer Chandravanshi break; 81821e9e2be3SAdheer Chandravanshi case ISCSI_FLASHNODE_MAX_R2T: 81831e9e2be3SAdheer Chandravanshi fnode_sess->max_r2t = 81841e9e2be3SAdheer Chandravanshi *(uint16_t *)fnode_param->value; 81851e9e2be3SAdheer Chandravanshi break; 81861e9e2be3SAdheer Chandravanshi case ISCSI_FLASHNODE_KEEPALIVE_TMO: 81871e9e2be3SAdheer Chandravanshi fnode_conn->keepalive_timeout = 81881e9e2be3SAdheer Chandravanshi *(uint16_t *)fnode_param->value; 81891e9e2be3SAdheer Chandravanshi break; 81901e9e2be3SAdheer Chandravanshi case ISCSI_FLASHNODE_ISID: 81911e9e2be3SAdheer Chandravanshi memcpy(fnode_sess->isid, fnode_param->value, 81921e9e2be3SAdheer Chandravanshi sizeof(fnode_sess->isid)); 81931e9e2be3SAdheer Chandravanshi break; 81941e9e2be3SAdheer Chandravanshi case ISCSI_FLASHNODE_TSID: 81951e9e2be3SAdheer Chandravanshi fnode_sess->tsid = *(uint16_t *)fnode_param->value; 81961e9e2be3SAdheer Chandravanshi break; 81971e9e2be3SAdheer Chandravanshi case ISCSI_FLASHNODE_PORT: 81981e9e2be3SAdheer Chandravanshi fnode_conn->port = *(uint16_t *)fnode_param->value; 81991e9e2be3SAdheer Chandravanshi break; 82001e9e2be3SAdheer Chandravanshi case ISCSI_FLASHNODE_MAX_BURST: 82011e9e2be3SAdheer Chandravanshi fnode_sess->max_burst = *(unsigned *)fnode_param->value; 82021e9e2be3SAdheer Chandravanshi break; 82031e9e2be3SAdheer Chandravanshi case ISCSI_FLASHNODE_DEF_TASKMGMT_TMO: 82041e9e2be3SAdheer Chandravanshi fnode_sess->default_taskmgmt_timeout = 82051e9e2be3SAdheer Chandravanshi *(uint16_t *)fnode_param->value; 82061e9e2be3SAdheer Chandravanshi break; 82071e9e2be3SAdheer Chandravanshi case ISCSI_FLASHNODE_IPADDR: 82081e9e2be3SAdheer Chandravanshi memcpy(fnode_conn->ipaddress, fnode_param->value, 82091e9e2be3SAdheer Chandravanshi IPv6_ADDR_LEN); 82101e9e2be3SAdheer Chandravanshi break; 82111e9e2be3SAdheer Chandravanshi case ISCSI_FLASHNODE_ALIAS: 82121e9e2be3SAdheer Chandravanshi rc = iscsi_switch_str_param(&fnode_sess->targetalias, 82131e9e2be3SAdheer Chandravanshi (char *)fnode_param->value); 82141e9e2be3SAdheer Chandravanshi break; 82151e9e2be3SAdheer Chandravanshi case ISCSI_FLASHNODE_REDIRECT_IPADDR: 82161e9e2be3SAdheer Chandravanshi memcpy(fnode_conn->redirect_ipaddr, fnode_param->value, 82171e9e2be3SAdheer Chandravanshi IPv6_ADDR_LEN); 82181e9e2be3SAdheer Chandravanshi break; 82191e9e2be3SAdheer Chandravanshi case ISCSI_FLASHNODE_MAX_SEGMENT_SIZE: 82201e9e2be3SAdheer Chandravanshi fnode_conn->max_segment_size = 82211e9e2be3SAdheer Chandravanshi *(unsigned *)fnode_param->value; 82221e9e2be3SAdheer Chandravanshi break; 82231e9e2be3SAdheer Chandravanshi case ISCSI_FLASHNODE_LOCAL_PORT: 82241e9e2be3SAdheer Chandravanshi fnode_conn->local_port = 82251e9e2be3SAdheer Chandravanshi *(uint16_t *)fnode_param->value; 82261e9e2be3SAdheer Chandravanshi break; 82271e9e2be3SAdheer Chandravanshi case ISCSI_FLASHNODE_IPV4_TOS: 82281e9e2be3SAdheer Chandravanshi fnode_conn->ipv4_tos = fnode_param->value[0]; 82291e9e2be3SAdheer Chandravanshi break; 82301e9e2be3SAdheer Chandravanshi case ISCSI_FLASHNODE_IPV6_TC: 82311e9e2be3SAdheer Chandravanshi fnode_conn->ipv6_traffic_class = fnode_param->value[0]; 82321e9e2be3SAdheer Chandravanshi break; 82331e9e2be3SAdheer Chandravanshi case ISCSI_FLASHNODE_IPV6_FLOW_LABEL: 82341e9e2be3SAdheer Chandravanshi fnode_conn->ipv6_flow_label = fnode_param->value[0]; 82351e9e2be3SAdheer Chandravanshi break; 82361e9e2be3SAdheer Chandravanshi case ISCSI_FLASHNODE_NAME: 82371e9e2be3SAdheer Chandravanshi rc = iscsi_switch_str_param(&fnode_sess->targetname, 82381e9e2be3SAdheer Chandravanshi (char *)fnode_param->value); 82391e9e2be3SAdheer Chandravanshi break; 82401e9e2be3SAdheer Chandravanshi case ISCSI_FLASHNODE_TPGT: 82411e9e2be3SAdheer Chandravanshi fnode_sess->tpgt = *(uint16_t *)fnode_param->value; 82421e9e2be3SAdheer Chandravanshi break; 82431e9e2be3SAdheer Chandravanshi case ISCSI_FLASHNODE_LINK_LOCAL_IPV6: 82441e9e2be3SAdheer Chandravanshi memcpy(fnode_conn->link_local_ipv6_addr, 82451e9e2be3SAdheer Chandravanshi fnode_param->value, IPv6_ADDR_LEN); 82461e9e2be3SAdheer Chandravanshi break; 824765560166SAdheer Chandravanshi case ISCSI_FLASHNODE_DISCOVERY_PARENT_IDX: 824865560166SAdheer Chandravanshi fnode_sess->discovery_parent_idx = 82491e9e2be3SAdheer Chandravanshi *(uint16_t *)fnode_param->value; 82501e9e2be3SAdheer Chandravanshi break; 82511e9e2be3SAdheer Chandravanshi case ISCSI_FLASHNODE_TCP_XMIT_WSF: 82521e9e2be3SAdheer Chandravanshi fnode_conn->tcp_xmit_wsf = 82531e9e2be3SAdheer Chandravanshi *(uint8_t *)fnode_param->value; 82541e9e2be3SAdheer Chandravanshi break; 82551e9e2be3SAdheer Chandravanshi case ISCSI_FLASHNODE_TCP_RECV_WSF: 82561e9e2be3SAdheer Chandravanshi fnode_conn->tcp_recv_wsf = 82571e9e2be3SAdheer Chandravanshi *(uint8_t *)fnode_param->value; 82581e9e2be3SAdheer Chandravanshi break; 82591e9e2be3SAdheer Chandravanshi case ISCSI_FLASHNODE_STATSN: 82601e9e2be3SAdheer Chandravanshi fnode_conn->statsn = *(uint32_t *)fnode_param->value; 82611e9e2be3SAdheer Chandravanshi break; 82621e9e2be3SAdheer Chandravanshi case ISCSI_FLASHNODE_EXP_STATSN: 82631e9e2be3SAdheer Chandravanshi fnode_conn->exp_statsn = 82641e9e2be3SAdheer Chandravanshi *(uint32_t *)fnode_param->value; 82651e9e2be3SAdheer Chandravanshi break; 8266244c079bSAdheer Chandravanshi case ISCSI_FLASHNODE_CHAP_OUT_IDX: 8267244c079bSAdheer Chandravanshi chap_out_idx = *(uint16_t *)fnode_param->value; 8268244c079bSAdheer Chandravanshi if (!qla4xxx_get_uni_chap_at_index(ha, 8269244c079bSAdheer Chandravanshi chap_tbl.name, 8270244c079bSAdheer Chandravanshi chap_tbl.secret, 8271244c079bSAdheer Chandravanshi chap_out_idx)) { 8272244c079bSAdheer Chandravanshi fnode_sess->chap_out_idx = chap_out_idx; 8273244c079bSAdheer Chandravanshi /* Enable chap auth if chap index is valid */ 8274244c079bSAdheer Chandravanshi fnode_sess->chap_auth_en = QL4_PARAM_ENABLE; 8275244c079bSAdheer Chandravanshi } 8276244c079bSAdheer Chandravanshi break; 82771e9e2be3SAdheer Chandravanshi default: 82781e9e2be3SAdheer Chandravanshi ql4_printk(KERN_ERR, ha, 82791e9e2be3SAdheer Chandravanshi "%s: No such sysfs attribute\n", __func__); 82801e9e2be3SAdheer Chandravanshi rc = -ENOSYS; 82811e9e2be3SAdheer Chandravanshi goto exit_set_param; 82821e9e2be3SAdheer Chandravanshi } 82831e9e2be3SAdheer Chandravanshi } 82841e9e2be3SAdheer Chandravanshi 82851e9e2be3SAdheer Chandravanshi rc = qla4xxx_sysfs_ddb_apply(fnode_sess, fnode_conn); 82861e9e2be3SAdheer Chandravanshi 82871e9e2be3SAdheer Chandravanshi exit_set_param: 82881e9e2be3SAdheer Chandravanshi return rc; 82891e9e2be3SAdheer Chandravanshi } 82901e9e2be3SAdheer Chandravanshi 82911e9e2be3SAdheer Chandravanshi /** 82921e9e2be3SAdheer Chandravanshi * qla4xxx_sysfs_ddb_delete - Delete firmware DDB entry 82931e9e2be3SAdheer Chandravanshi * @fnode_sess: pointer to session attrs of flash ddb entry 82941e9e2be3SAdheer Chandravanshi * 82951e9e2be3SAdheer Chandravanshi * This invalidates the flash ddb entry at the given index 82961e9e2be3SAdheer Chandravanshi **/ 82971e9e2be3SAdheer Chandravanshi static int qla4xxx_sysfs_ddb_delete(struct iscsi_bus_flash_session *fnode_sess) 82981e9e2be3SAdheer Chandravanshi { 82991e9e2be3SAdheer Chandravanshi struct Scsi_Host *shost = iscsi_flash_session_to_shost(fnode_sess); 83001e9e2be3SAdheer Chandravanshi struct scsi_qla_host *ha = to_qla_host(shost); 83011e9e2be3SAdheer Chandravanshi uint32_t dev_db_start_offset; 83021e9e2be3SAdheer Chandravanshi uint32_t dev_db_end_offset; 83031e9e2be3SAdheer Chandravanshi struct dev_db_entry *fw_ddb_entry = NULL; 83041e9e2be3SAdheer Chandravanshi dma_addr_t fw_ddb_entry_dma; 83051e9e2be3SAdheer Chandravanshi uint16_t *ddb_cookie = NULL; 8306b6130ceaSVikas Chaudhary size_t ddb_size = 0; 8307039acc1eSAdheer Chandravanshi void *pddb = NULL; 83081e9e2be3SAdheer Chandravanshi int target_id; 83091e9e2be3SAdheer Chandravanshi int rc = 0; 83101e9e2be3SAdheer Chandravanshi 83111e9e2be3SAdheer Chandravanshi if (fnode_sess->is_boot_target) { 83121e9e2be3SAdheer Chandravanshi rc = -EPERM; 83131e9e2be3SAdheer Chandravanshi DEBUG2(ql4_printk(KERN_ERR, ha, 83141e9e2be3SAdheer Chandravanshi "%s: Deletion of boot target entry is not permitted.\n", 83151e9e2be3SAdheer Chandravanshi __func__)); 83161e9e2be3SAdheer Chandravanshi goto exit_ddb_del; 83171e9e2be3SAdheer Chandravanshi } 83181e9e2be3SAdheer Chandravanshi 83191e9e2be3SAdheer Chandravanshi if (fnode_sess->flash_state == DEV_DB_NON_PERSISTENT) 83201e9e2be3SAdheer Chandravanshi goto sysfs_ddb_del; 83211e9e2be3SAdheer Chandravanshi 83221e9e2be3SAdheer Chandravanshi if (is_qla40XX(ha)) { 83231e9e2be3SAdheer Chandravanshi dev_db_start_offset = FLASH_OFFSET_DB_INFO; 8324039acc1eSAdheer Chandravanshi dev_db_end_offset = FLASH_OFFSET_DB_END; 8325039acc1eSAdheer Chandravanshi dev_db_start_offset += (fnode_sess->target_id * 8326039acc1eSAdheer Chandravanshi sizeof(*fw_ddb_entry)); 8327039acc1eSAdheer Chandravanshi ddb_size = sizeof(*fw_ddb_entry); 83281e9e2be3SAdheer Chandravanshi } else { 83291e9e2be3SAdheer Chandravanshi dev_db_start_offset = FLASH_RAW_ACCESS_ADDR + 83301e9e2be3SAdheer Chandravanshi (ha->hw.flt_region_ddb << 2); 83311e9e2be3SAdheer Chandravanshi /* flt_ddb_size is DDB table size for both ports 83321e9e2be3SAdheer Chandravanshi * so divide it by 2 to calculate the offset for second port 83331e9e2be3SAdheer Chandravanshi */ 83341e9e2be3SAdheer Chandravanshi if (ha->port_num == 1) 83351e9e2be3SAdheer Chandravanshi dev_db_start_offset += (ha->hw.flt_ddb_size / 2); 83361e9e2be3SAdheer Chandravanshi 8337039acc1eSAdheer Chandravanshi dev_db_end_offset = dev_db_start_offset + 8338039acc1eSAdheer Chandravanshi (ha->hw.flt_ddb_size / 2); 8339039acc1eSAdheer Chandravanshi 8340039acc1eSAdheer Chandravanshi dev_db_start_offset += (fnode_sess->target_id * 8341039acc1eSAdheer Chandravanshi sizeof(*fw_ddb_entry)); 83421bcb5619SAdheer Chandravanshi dev_db_start_offset += offsetof(struct dev_db_entry, cookie); 83431e9e2be3SAdheer Chandravanshi 8344039acc1eSAdheer Chandravanshi ddb_size = sizeof(*ddb_cookie); 8345039acc1eSAdheer Chandravanshi } 8346039acc1eSAdheer Chandravanshi 83471e9e2be3SAdheer Chandravanshi DEBUG2(ql4_printk(KERN_ERR, ha, "%s: start offset=%u, end offset=%u\n", 83481e9e2be3SAdheer Chandravanshi __func__, dev_db_start_offset, dev_db_end_offset)); 83491e9e2be3SAdheer Chandravanshi 83501e9e2be3SAdheer Chandravanshi if (dev_db_start_offset > dev_db_end_offset) { 83511e9e2be3SAdheer Chandravanshi rc = -EIO; 83521e9e2be3SAdheer Chandravanshi DEBUG2(ql4_printk(KERN_ERR, ha, "%s:Invalid DDB index %u\n", 83531e9e2be3SAdheer Chandravanshi __func__, fnode_sess->target_id)); 83541e9e2be3SAdheer Chandravanshi goto exit_ddb_del; 83551e9e2be3SAdheer Chandravanshi } 83561e9e2be3SAdheer Chandravanshi 8357039acc1eSAdheer Chandravanshi pddb = dma_alloc_coherent(&ha->pdev->dev, ddb_size, 8358039acc1eSAdheer Chandravanshi &fw_ddb_entry_dma, GFP_KERNEL); 8359039acc1eSAdheer Chandravanshi if (!pddb) { 8360039acc1eSAdheer Chandravanshi rc = -ENOMEM; 8361039acc1eSAdheer Chandravanshi DEBUG2(ql4_printk(KERN_ERR, ha, 8362039acc1eSAdheer Chandravanshi "%s: Unable to allocate dma buffer\n", 8363039acc1eSAdheer Chandravanshi __func__)); 8364039acc1eSAdheer Chandravanshi goto exit_ddb_del; 8365039acc1eSAdheer Chandravanshi } 8366039acc1eSAdheer Chandravanshi 8367039acc1eSAdheer Chandravanshi if (is_qla40XX(ha)) { 8368039acc1eSAdheer Chandravanshi fw_ddb_entry = pddb; 8369039acc1eSAdheer Chandravanshi memset(fw_ddb_entry, 0, ddb_size); 8370039acc1eSAdheer Chandravanshi ddb_cookie = &fw_ddb_entry->cookie; 8371039acc1eSAdheer Chandravanshi } else { 8372039acc1eSAdheer Chandravanshi ddb_cookie = pddb; 8373039acc1eSAdheer Chandravanshi } 8374039acc1eSAdheer Chandravanshi 83751e9e2be3SAdheer Chandravanshi /* invalidate the cookie */ 83761e9e2be3SAdheer Chandravanshi *ddb_cookie = 0xFFEE; 83771e9e2be3SAdheer Chandravanshi qla4xxx_set_flash(ha, fw_ddb_entry_dma, dev_db_start_offset, 8378039acc1eSAdheer Chandravanshi ddb_size, FLASH_OPT_RMW_COMMIT); 83791e9e2be3SAdheer Chandravanshi 83801e9e2be3SAdheer Chandravanshi sysfs_ddb_del: 83811e9e2be3SAdheer Chandravanshi target_id = fnode_sess->target_id; 83821e9e2be3SAdheer Chandravanshi iscsi_destroy_flashnode_sess(fnode_sess); 83831e9e2be3SAdheer Chandravanshi ql4_printk(KERN_INFO, ha, 83841e9e2be3SAdheer Chandravanshi "%s: session and conn entries for flashnode %u of host %lu deleted\n", 83851e9e2be3SAdheer Chandravanshi __func__, target_id, ha->host_no); 83861e9e2be3SAdheer Chandravanshi exit_ddb_del: 8387039acc1eSAdheer Chandravanshi if (pddb) 8388039acc1eSAdheer Chandravanshi dma_free_coherent(&ha->pdev->dev, ddb_size, pddb, 8389039acc1eSAdheer Chandravanshi fw_ddb_entry_dma); 83901e9e2be3SAdheer Chandravanshi return rc; 83911e9e2be3SAdheer Chandravanshi } 83921e9e2be3SAdheer Chandravanshi 83931e9e2be3SAdheer Chandravanshi /** 83941e9e2be3SAdheer Chandravanshi * qla4xxx_sysfs_ddb_export - Create sysfs entries for firmware DDBs 83951e9e2be3SAdheer Chandravanshi * @ha: pointer to adapter structure 83961e9e2be3SAdheer Chandravanshi * 83971e9e2be3SAdheer Chandravanshi * Export the firmware DDB for all send targets and normal targets to sysfs. 83981e9e2be3SAdheer Chandravanshi **/ 8399906cbf3dSNilesh Javali int qla4xxx_sysfs_ddb_export(struct scsi_qla_host *ha) 84001e9e2be3SAdheer Chandravanshi { 84011e9e2be3SAdheer Chandravanshi struct dev_db_entry *fw_ddb_entry = NULL; 84021e9e2be3SAdheer Chandravanshi dma_addr_t fw_ddb_entry_dma; 84031e9e2be3SAdheer Chandravanshi uint16_t max_ddbs; 84041e9e2be3SAdheer Chandravanshi uint16_t idx = 0; 84051e9e2be3SAdheer Chandravanshi int ret = QLA_SUCCESS; 84061e9e2be3SAdheer Chandravanshi 84071e9e2be3SAdheer Chandravanshi fw_ddb_entry = dma_alloc_coherent(&ha->pdev->dev, 84081e9e2be3SAdheer Chandravanshi sizeof(*fw_ddb_entry), 84091e9e2be3SAdheer Chandravanshi &fw_ddb_entry_dma, GFP_KERNEL); 84101e9e2be3SAdheer Chandravanshi if (!fw_ddb_entry) { 84111e9e2be3SAdheer Chandravanshi DEBUG2(ql4_printk(KERN_ERR, ha, 84121e9e2be3SAdheer Chandravanshi "%s: Unable to allocate dma buffer\n", 84131e9e2be3SAdheer Chandravanshi __func__)); 84141e9e2be3SAdheer Chandravanshi return -ENOMEM; 84151e9e2be3SAdheer Chandravanshi } 84161e9e2be3SAdheer Chandravanshi 8417a957a7d7SAdheer Chandravanshi max_ddbs = is_qla40XX(ha) ? MAX_PRST_DEV_DB_ENTRIES : 84181e9e2be3SAdheer Chandravanshi MAX_DEV_DB_ENTRIES; 84191e9e2be3SAdheer Chandravanshi 84201e9e2be3SAdheer Chandravanshi for (idx = 0; idx < max_ddbs; idx++) { 84211e9e2be3SAdheer Chandravanshi if (qla4xxx_flashdb_by_index(ha, fw_ddb_entry, fw_ddb_entry_dma, 84221e9e2be3SAdheer Chandravanshi idx)) 84231e9e2be3SAdheer Chandravanshi continue; 84241e9e2be3SAdheer Chandravanshi 84251e9e2be3SAdheer Chandravanshi ret = qla4xxx_sysfs_ddb_tgt_create(ha, fw_ddb_entry, &idx, 0); 84261e9e2be3SAdheer Chandravanshi if (ret) { 84271e9e2be3SAdheer Chandravanshi ret = -EIO; 84281e9e2be3SAdheer Chandravanshi break; 84291e9e2be3SAdheer Chandravanshi } 84301e9e2be3SAdheer Chandravanshi } 84311e9e2be3SAdheer Chandravanshi 84321e9e2be3SAdheer Chandravanshi dma_free_coherent(&ha->pdev->dev, sizeof(*fw_ddb_entry), fw_ddb_entry, 84331e9e2be3SAdheer Chandravanshi fw_ddb_entry_dma); 84341e9e2be3SAdheer Chandravanshi 84351e9e2be3SAdheer Chandravanshi return ret; 84361e9e2be3SAdheer Chandravanshi } 84371e9e2be3SAdheer Chandravanshi 84381e9e2be3SAdheer Chandravanshi static void qla4xxx_sysfs_ddb_remove(struct scsi_qla_host *ha) 84391e9e2be3SAdheer Chandravanshi { 84401e9e2be3SAdheer Chandravanshi iscsi_destroy_all_flashnode(ha->host); 84411e9e2be3SAdheer Chandravanshi } 84421e9e2be3SAdheer Chandravanshi 84434a4bc2e9SLalit Chandivade /** 84444a4bc2e9SLalit Chandivade * qla4xxx_build_ddb_list - Build ddb list and setup sessions 84454a4bc2e9SLalit Chandivade * @ha: pointer to adapter structure 84464a4bc2e9SLalit Chandivade * @is_reset: Is this init path or reset path 84474a4bc2e9SLalit Chandivade * 84484a4bc2e9SLalit Chandivade * Create a list of sendtargets (st) from firmware DDBs, issue send targets 84494a4bc2e9SLalit Chandivade * using connection open, then create the list of normal targets (nt) 84504a4bc2e9SLalit Chandivade * from firmware DDBs. Based on the list of nt setup session and connection 84514a4bc2e9SLalit Chandivade * objects. 84524a4bc2e9SLalit Chandivade **/ 84534a4bc2e9SLalit Chandivade void qla4xxx_build_ddb_list(struct scsi_qla_host *ha, int is_reset) 84544a4bc2e9SLalit Chandivade { 84554a4bc2e9SLalit Chandivade uint16_t tmo = 0; 84564a4bc2e9SLalit Chandivade struct list_head list_st, list_nt; 84574a4bc2e9SLalit Chandivade struct qla_ddb_index *st_ddb_idx, *st_ddb_idx_tmp; 84584a4bc2e9SLalit Chandivade unsigned long wtime; 84594a4bc2e9SLalit Chandivade 84604a4bc2e9SLalit Chandivade if (!test_bit(AF_LINK_UP, &ha->flags)) { 84614a4bc2e9SLalit Chandivade set_bit(AF_BUILD_DDB_LIST, &ha->flags); 84624a4bc2e9SLalit Chandivade ha->is_reset = is_reset; 84634a4bc2e9SLalit Chandivade return; 84644a4bc2e9SLalit Chandivade } 84654a4bc2e9SLalit Chandivade 84664a4bc2e9SLalit Chandivade INIT_LIST_HEAD(&list_st); 84674a4bc2e9SLalit Chandivade INIT_LIST_HEAD(&list_nt); 84684a4bc2e9SLalit Chandivade 84694a4bc2e9SLalit Chandivade qla4xxx_build_st_list(ha, &list_st); 84704a4bc2e9SLalit Chandivade 847113483730SMike Christie /* Before issuing conn open mbox, ensure all IPs states are configured 847213483730SMike Christie * Note, conn open fails if IPs are not configured 847313483730SMike Christie */ 847413483730SMike Christie qla4xxx_wait_for_ip_configuration(ha); 847513483730SMike Christie 847613483730SMike Christie /* Go thru the STs and fire the sendtargets by issuing conn open mbx */ 847713483730SMike Christie list_for_each_entry_safe(st_ddb_idx, st_ddb_idx_tmp, &list_st, list) { 847813483730SMike Christie qla4xxx_conn_open(ha, st_ddb_idx->fw_ddb_idx); 847913483730SMike Christie } 848013483730SMike Christie 848113483730SMike Christie /* Wait to ensure all sendtargets are done for min 12 sec wait */ 8482c28eaacaSNilesh Javali tmo = ((ha->def_timeout > LOGIN_TOV) && 8483c28eaacaSNilesh Javali (ha->def_timeout < LOGIN_TOV * 10) ? 8484c28eaacaSNilesh Javali ha->def_timeout : LOGIN_TOV); 8485c28eaacaSNilesh Javali 848613483730SMike Christie DEBUG2(ql4_printk(KERN_INFO, ha, 848713483730SMike Christie "Default time to wait for build ddb %d\n", tmo)); 848813483730SMike Christie 848913483730SMike Christie wtime = jiffies + (HZ * tmo); 849013483730SMike Christie do { 8491f1f2e60eSNilesh Javali if (list_empty(&list_st)) 8492f1f2e60eSNilesh Javali break; 8493f1f2e60eSNilesh Javali 84944a4bc2e9SLalit Chandivade qla4xxx_remove_failed_ddb(ha, &list_st); 849513483730SMike Christie schedule_timeout_uninterruptible(HZ / 10); 849613483730SMike Christie } while (time_after(wtime, jiffies)); 849713483730SMike Christie 8498ad8bd45eSManish Rangankar 8499ad8bd45eSManish Rangankar qla4xxx_build_nt_list(ha, &list_nt, &list_st, is_reset); 8500ad8bd45eSManish Rangankar 85014a4bc2e9SLalit Chandivade qla4xxx_free_ddb_list(&list_st); 85024a4bc2e9SLalit Chandivade qla4xxx_free_ddb_list(&list_nt); 850313483730SMike Christie 850413483730SMike Christie qla4xxx_free_ddb_index(ha); 850513483730SMike Christie } 850613483730SMike Christie 8507afaf5a2dSDavid Somayajulu /** 85081dc8ed5dSManish Rangankar * qla4xxx_wait_login_resp_boot_tgt - Wait for iSCSI boot target login 85091dc8ed5dSManish Rangankar * response. 85101dc8ed5dSManish Rangankar * @ha: pointer to adapter structure 85111dc8ed5dSManish Rangankar * 85121dc8ed5dSManish Rangankar * When the boot entry is normal iSCSI target then DF_BOOT_TGT flag will be 85131dc8ed5dSManish Rangankar * set in DDB and we will wait for login response of boot targets during 85141dc8ed5dSManish Rangankar * probe. 85151dc8ed5dSManish Rangankar **/ 85161dc8ed5dSManish Rangankar static void qla4xxx_wait_login_resp_boot_tgt(struct scsi_qla_host *ha) 85171dc8ed5dSManish Rangankar { 85181dc8ed5dSManish Rangankar struct ddb_entry *ddb_entry; 85191dc8ed5dSManish Rangankar struct dev_db_entry *fw_ddb_entry = NULL; 85201dc8ed5dSManish Rangankar dma_addr_t fw_ddb_entry_dma; 85211dc8ed5dSManish Rangankar unsigned long wtime; 85221dc8ed5dSManish Rangankar uint32_t ddb_state; 85231dc8ed5dSManish Rangankar int max_ddbs, idx, ret; 85241dc8ed5dSManish Rangankar 85251dc8ed5dSManish Rangankar max_ddbs = is_qla40XX(ha) ? MAX_DEV_DB_ENTRIES_40XX : 85261dc8ed5dSManish Rangankar MAX_DEV_DB_ENTRIES; 85271dc8ed5dSManish Rangankar 85281dc8ed5dSManish Rangankar fw_ddb_entry = dma_alloc_coherent(&ha->pdev->dev, sizeof(*fw_ddb_entry), 85291dc8ed5dSManish Rangankar &fw_ddb_entry_dma, GFP_KERNEL); 85301dc8ed5dSManish Rangankar if (!fw_ddb_entry) { 85311dc8ed5dSManish Rangankar ql4_printk(KERN_ERR, ha, 85321dc8ed5dSManish Rangankar "%s: Unable to allocate dma buffer\n", __func__); 85331dc8ed5dSManish Rangankar goto exit_login_resp; 85341dc8ed5dSManish Rangankar } 85351dc8ed5dSManish Rangankar 85361dc8ed5dSManish Rangankar wtime = jiffies + (HZ * BOOT_LOGIN_RESP_TOV); 85371dc8ed5dSManish Rangankar 85381dc8ed5dSManish Rangankar for (idx = 0; idx < max_ddbs; idx++) { 85391dc8ed5dSManish Rangankar ddb_entry = qla4xxx_lookup_ddb_by_fw_index(ha, idx); 85401dc8ed5dSManish Rangankar if (ddb_entry == NULL) 85411dc8ed5dSManish Rangankar continue; 85421dc8ed5dSManish Rangankar 85431dc8ed5dSManish Rangankar if (test_bit(DF_BOOT_TGT, &ddb_entry->flags)) { 85441dc8ed5dSManish Rangankar DEBUG2(ql4_printk(KERN_INFO, ha, 85451dc8ed5dSManish Rangankar "%s: DDB index [%d]\n", __func__, 85461dc8ed5dSManish Rangankar ddb_entry->fw_ddb_index)); 85471dc8ed5dSManish Rangankar do { 85481dc8ed5dSManish Rangankar ret = qla4xxx_get_fwddb_entry(ha, 85491dc8ed5dSManish Rangankar ddb_entry->fw_ddb_index, 85501dc8ed5dSManish Rangankar fw_ddb_entry, fw_ddb_entry_dma, 85511dc8ed5dSManish Rangankar NULL, NULL, &ddb_state, NULL, 85521dc8ed5dSManish Rangankar NULL, NULL); 85531dc8ed5dSManish Rangankar if (ret == QLA_ERROR) 85541dc8ed5dSManish Rangankar goto exit_login_resp; 85551dc8ed5dSManish Rangankar 85561dc8ed5dSManish Rangankar if ((ddb_state == DDB_DS_SESSION_ACTIVE) || 85571dc8ed5dSManish Rangankar (ddb_state == DDB_DS_SESSION_FAILED)) 85581dc8ed5dSManish Rangankar break; 85591dc8ed5dSManish Rangankar 85601dc8ed5dSManish Rangankar schedule_timeout_uninterruptible(HZ); 85611dc8ed5dSManish Rangankar 85621dc8ed5dSManish Rangankar } while ((time_after(wtime, jiffies))); 85631dc8ed5dSManish Rangankar 85641dc8ed5dSManish Rangankar if (!time_after(wtime, jiffies)) { 85651dc8ed5dSManish Rangankar DEBUG2(ql4_printk(KERN_INFO, ha, 85661dc8ed5dSManish Rangankar "%s: Login response wait timer expired\n", 85671dc8ed5dSManish Rangankar __func__)); 85681dc8ed5dSManish Rangankar goto exit_login_resp; 85691dc8ed5dSManish Rangankar } 85701dc8ed5dSManish Rangankar } 85711dc8ed5dSManish Rangankar } 85721dc8ed5dSManish Rangankar 85731dc8ed5dSManish Rangankar exit_login_resp: 85741dc8ed5dSManish Rangankar if (fw_ddb_entry) 85751dc8ed5dSManish Rangankar dma_free_coherent(&ha->pdev->dev, sizeof(*fw_ddb_entry), 85761dc8ed5dSManish Rangankar fw_ddb_entry, fw_ddb_entry_dma); 85771dc8ed5dSManish Rangankar } 85781dc8ed5dSManish Rangankar 85791dc8ed5dSManish Rangankar /** 8580afaf5a2dSDavid Somayajulu * qla4xxx_probe_adapter - callback function to probe HBA 8581afaf5a2dSDavid Somayajulu * @pdev: pointer to pci_dev structure 8582afaf5a2dSDavid Somayajulu * @pci_device_id: pointer to pci_device entry 8583afaf5a2dSDavid Somayajulu * 8584afaf5a2dSDavid Somayajulu * This routine will probe for Qlogic 4xxx iSCSI host adapters. 8585afaf5a2dSDavid Somayajulu * It returns zero if successful. It also initializes all data necessary for 8586afaf5a2dSDavid Somayajulu * the driver. 8587afaf5a2dSDavid Somayajulu **/ 85886f039790SGreg Kroah-Hartman static int qla4xxx_probe_adapter(struct pci_dev *pdev, 8589afaf5a2dSDavid Somayajulu const struct pci_device_id *ent) 8590afaf5a2dSDavid Somayajulu { 8591afaf5a2dSDavid Somayajulu int ret = -ENODEV, status; 8592afaf5a2dSDavid Somayajulu struct Scsi_Host *host; 8593afaf5a2dSDavid Somayajulu struct scsi_qla_host *ha; 8594afaf5a2dSDavid Somayajulu uint8_t init_retry_count = 0; 8595afaf5a2dSDavid Somayajulu char buf[34]; 8596f4f5df23SVikas Chaudhary struct qla4_8xxx_legacy_intr_set *nx_legacy_intr; 8597f9880e76SPrasanna Mumbai uint32_t dev_state; 8598afaf5a2dSDavid Somayajulu 8599afaf5a2dSDavid Somayajulu if (pci_enable_device(pdev)) 8600afaf5a2dSDavid Somayajulu return -1; 8601afaf5a2dSDavid Somayajulu 8602b3a271a9SManish Rangankar host = iscsi_host_alloc(&qla4xxx_driver_template, sizeof(*ha), 0); 8603afaf5a2dSDavid Somayajulu if (host == NULL) { 8604afaf5a2dSDavid Somayajulu printk(KERN_WARNING 8605afaf5a2dSDavid Somayajulu "qla4xxx: Couldn't allocate host from scsi layer!\n"); 8606afaf5a2dSDavid Somayajulu goto probe_disable_device; 8607afaf5a2dSDavid Somayajulu } 8608afaf5a2dSDavid Somayajulu 8609afaf5a2dSDavid Somayajulu /* Clear our data area */ 8610b3a271a9SManish Rangankar ha = to_qla_host(host); 8611afaf5a2dSDavid Somayajulu memset(ha, 0, sizeof(*ha)); 8612afaf5a2dSDavid Somayajulu 8613afaf5a2dSDavid Somayajulu /* Save the information from PCI BIOS. */ 8614afaf5a2dSDavid Somayajulu ha->pdev = pdev; 8615afaf5a2dSDavid Somayajulu ha->host = host; 8616afaf5a2dSDavid Somayajulu ha->host_no = host->host_no; 86176e7b4292SVikas Chaudhary ha->func_num = PCI_FUNC(ha->pdev->devfn); 8618afaf5a2dSDavid Somayajulu 86192232be0dSLalit Chandivade pci_enable_pcie_error_reporting(pdev); 86202232be0dSLalit Chandivade 8621f4f5df23SVikas Chaudhary /* Setup Runtime configurable options */ 8622f4f5df23SVikas Chaudhary if (is_qla8022(ha)) { 86237664a1fdSVikas Chaudhary ha->isp_ops = &qla4_82xx_isp_ops; 862433693c7aSVikas Chaudhary ha->reg_tbl = (uint32_t *) qla4_82xx_reg_tbl; 8625f4f5df23SVikas Chaudhary ha->qdr_sn_window = -1; 8626f4f5df23SVikas Chaudhary ha->ddr_mn_window = -1; 8627f4f5df23SVikas Chaudhary ha->curr_window = 255; 8628f4f5df23SVikas Chaudhary nx_legacy_intr = &legacy_intr[ha->func_num]; 8629f4f5df23SVikas Chaudhary ha->nx_legacy_intr.int_vec_bit = nx_legacy_intr->int_vec_bit; 8630f4f5df23SVikas Chaudhary ha->nx_legacy_intr.tgt_status_reg = 8631f4f5df23SVikas Chaudhary nx_legacy_intr->tgt_status_reg; 8632f4f5df23SVikas Chaudhary ha->nx_legacy_intr.tgt_mask_reg = nx_legacy_intr->tgt_mask_reg; 8633f4f5df23SVikas Chaudhary ha->nx_legacy_intr.pci_int_reg = nx_legacy_intr->pci_int_reg; 8634b37ca418SVikas Chaudhary } else if (is_qla8032(ha) || is_qla8042(ha)) { 86356e7b4292SVikas Chaudhary ha->isp_ops = &qla4_83xx_isp_ops; 86366e7b4292SVikas Chaudhary ha->reg_tbl = (uint32_t *)qla4_83xx_reg_tbl; 8637f4f5df23SVikas Chaudhary } else { 8638f4f5df23SVikas Chaudhary ha->isp_ops = &qla4xxx_isp_ops; 8639f4f5df23SVikas Chaudhary } 8640f4f5df23SVikas Chaudhary 86416e7b4292SVikas Chaudhary if (is_qla80XX(ha)) { 86426e7b4292SVikas Chaudhary rwlock_init(&ha->hw_lock); 86436e7b4292SVikas Chaudhary ha->pf_bit = ha->func_num << 16; 86442232be0dSLalit Chandivade /* Set EEH reset type to fundamental if required by hba */ 86452232be0dSLalit Chandivade pdev->needs_freset = 1; 86466e7b4292SVikas Chaudhary } 86472232be0dSLalit Chandivade 8648afaf5a2dSDavid Somayajulu /* Configure PCI I/O space. */ 8649f4f5df23SVikas Chaudhary ret = ha->isp_ops->iospace_config(ha); 8650afaf5a2dSDavid Somayajulu if (ret) 8651f4f5df23SVikas Chaudhary goto probe_failed_ioconfig; 8652afaf5a2dSDavid Somayajulu 8653c2660df3SVikas Chaudhary ql4_printk(KERN_INFO, ha, "Found an ISP%04x, irq %d, iobase 0x%p\n", 8654afaf5a2dSDavid Somayajulu pdev->device, pdev->irq, ha->reg); 8655afaf5a2dSDavid Somayajulu 8656afaf5a2dSDavid Somayajulu qla4xxx_config_dma_addressing(ha); 8657afaf5a2dSDavid Somayajulu 8658afaf5a2dSDavid Somayajulu /* Initialize lists and spinlocks. */ 8659afaf5a2dSDavid Somayajulu INIT_LIST_HEAD(&ha->free_srb_q); 8660afaf5a2dSDavid Somayajulu 8661afaf5a2dSDavid Somayajulu mutex_init(&ha->mbox_sem); 86624549415aSLalit Chandivade mutex_init(&ha->chap_sem); 8663f4f5df23SVikas Chaudhary init_completion(&ha->mbx_intr_comp); 866495d31262SVikas Chaudhary init_completion(&ha->disable_acb_comp); 8665df86f771SVikas Chaudhary init_completion(&ha->idc_comp); 8666df86f771SVikas Chaudhary init_completion(&ha->link_up_comp); 8667afaf5a2dSDavid Somayajulu 8668afaf5a2dSDavid Somayajulu spin_lock_init(&ha->hardware_lock); 86698e9157c8SVikas Chaudhary spin_lock_init(&ha->work_lock); 8670afaf5a2dSDavid Somayajulu 8671ff884430SVikas Chaudhary /* Initialize work list */ 8672ff884430SVikas Chaudhary INIT_LIST_HEAD(&ha->work_list); 8673ff884430SVikas Chaudhary 8674afaf5a2dSDavid Somayajulu /* Allocate dma buffers */ 8675afaf5a2dSDavid Somayajulu if (qla4xxx_mem_alloc(ha)) { 8676c2660df3SVikas Chaudhary ql4_printk(KERN_WARNING, ha, 8677afaf5a2dSDavid Somayajulu "[ERROR] Failed to allocate memory for adapter\n"); 8678afaf5a2dSDavid Somayajulu 8679afaf5a2dSDavid Somayajulu ret = -ENOMEM; 8680afaf5a2dSDavid Somayajulu goto probe_failed; 8681afaf5a2dSDavid Somayajulu } 8682afaf5a2dSDavid Somayajulu 8683b3a271a9SManish Rangankar host->cmd_per_lun = 3; 8684b3a271a9SManish Rangankar host->max_channel = 0; 8685b3a271a9SManish Rangankar host->max_lun = MAX_LUNS - 1; 8686b3a271a9SManish Rangankar host->max_id = MAX_TARGETS; 8687b3a271a9SManish Rangankar host->max_cmd_len = IOCB_MAX_CDB_LEN; 8688b3a271a9SManish Rangankar host->can_queue = MAX_SRBS ; 8689b3a271a9SManish Rangankar host->transportt = qla4xxx_scsi_transport; 8690b3a271a9SManish Rangankar 8691b3a271a9SManish Rangankar pci_set_drvdata(pdev, ha); 8692b3a271a9SManish Rangankar 8693b3a271a9SManish Rangankar ret = scsi_add_host(host, &pdev->dev); 8694b3a271a9SManish Rangankar if (ret) 8695b3a271a9SManish Rangankar goto probe_failed; 8696b3a271a9SManish Rangankar 86976e7b4292SVikas Chaudhary if (is_qla80XX(ha)) 86986e7b4292SVikas Chaudhary qla4_8xxx_get_flash_info(ha); 86996e7b4292SVikas Chaudhary 8700b37ca418SVikas Chaudhary if (is_qla8032(ha) || is_qla8042(ha)) { 87016e7b4292SVikas Chaudhary qla4_83xx_read_reset_template(ha); 87026e7b4292SVikas Chaudhary /* 87036e7b4292SVikas Chaudhary * NOTE: If ql4dontresethba==1, set IDC_CTRL DONTRESET_BIT0. 87046e7b4292SVikas Chaudhary * If DONRESET_BIT0 is set, drivers should not set dev_state 87056e7b4292SVikas Chaudhary * to NEED_RESET. But if NEED_RESET is set, drivers should 87066e7b4292SVikas Chaudhary * should honor the reset. 87076e7b4292SVikas Chaudhary */ 87086e7b4292SVikas Chaudhary if (ql4xdontresethba == 1) 87096e7b4292SVikas Chaudhary qla4_83xx_set_idc_dontreset(ha); 87106e7b4292SVikas Chaudhary } 8711f4f5df23SVikas Chaudhary 8712afaf5a2dSDavid Somayajulu /* 8713afaf5a2dSDavid Somayajulu * Initialize the Host adapter request/response queues and 8714afaf5a2dSDavid Somayajulu * firmware 8715afaf5a2dSDavid Somayajulu * NOTE: interrupts enabled upon successful completion 8716afaf5a2dSDavid Somayajulu */ 871713483730SMike Christie status = qla4xxx_initialize_adapter(ha, INIT_ADAPTER); 87187977f825SPoornima Vonti 87197977f825SPoornima Vonti /* Dont retry adapter initialization if IRQ allocation failed */ 872037418cc6SNilesh Javali if (is_qla80XX(ha) && (status == QLA_ERROR)) 87217977f825SPoornima Vonti goto skip_retry_init; 87227977f825SPoornima Vonti 8723f4f5df23SVikas Chaudhary while ((!test_bit(AF_ONLINE, &ha->flags)) && 8724f4f5df23SVikas Chaudhary init_retry_count++ < MAX_INIT_RETRIES) { 8725f9880e76SPrasanna Mumbai 87266e7b4292SVikas Chaudhary if (is_qla80XX(ha)) { 872733693c7aSVikas Chaudhary ha->isp_ops->idc_lock(ha); 872833693c7aSVikas Chaudhary dev_state = qla4_8xxx_rd_direct(ha, 8729e951aca1SVikas Chaudhary QLA8XXX_CRB_DEV_STATE); 873033693c7aSVikas Chaudhary ha->isp_ops->idc_unlock(ha); 8731de8c72daSVikas Chaudhary if (dev_state == QLA8XXX_DEV_FAILED) { 8732f9880e76SPrasanna Mumbai ql4_printk(KERN_WARNING, ha, "%s: don't retry " 8733f9880e76SPrasanna Mumbai "initialize adapter. H/W is in failed state\n", 8734f9880e76SPrasanna Mumbai __func__); 8735f9880e76SPrasanna Mumbai break; 8736f9880e76SPrasanna Mumbai } 8737f9880e76SPrasanna Mumbai } 8738afaf5a2dSDavid Somayajulu DEBUG2(printk("scsi: %s: retrying adapter initialization " 8739afaf5a2dSDavid Somayajulu "(%d)\n", __func__, init_retry_count)); 8740f4f5df23SVikas Chaudhary 8741f4f5df23SVikas Chaudhary if (ha->isp_ops->reset_chip(ha) == QLA_ERROR) 8742f4f5df23SVikas Chaudhary continue; 8743f4f5df23SVikas Chaudhary 874413483730SMike Christie status = qla4xxx_initialize_adapter(ha, INIT_ADAPTER); 874537418cc6SNilesh Javali if (is_qla80XX(ha) && (status == QLA_ERROR)) { 874637418cc6SNilesh Javali if (qla4_8xxx_check_init_adapter_retry(ha) == QLA_ERROR) 874737418cc6SNilesh Javali goto skip_retry_init; 874837418cc6SNilesh Javali } 8749afaf5a2dSDavid Somayajulu } 8750f4f5df23SVikas Chaudhary 87517977f825SPoornima Vonti skip_retry_init: 8752f4f5df23SVikas Chaudhary if (!test_bit(AF_ONLINE, &ha->flags)) { 8753c2660df3SVikas Chaudhary ql4_printk(KERN_WARNING, ha, "Failed to initialize adapter\n"); 8754afaf5a2dSDavid Somayajulu 87556e7b4292SVikas Chaudhary if ((is_qla8022(ha) && ql4xdontresethba) || 8756b37ca418SVikas Chaudhary ((is_qla8032(ha) || is_qla8042(ha)) && 8757b37ca418SVikas Chaudhary qla4_83xx_idc_dontreset(ha))) { 8758fe998527SLalit Chandivade /* Put the device in failed state. */ 8759fe998527SLalit Chandivade DEBUG2(printk(KERN_ERR "HW STATE: FAILED\n")); 876033693c7aSVikas Chaudhary ha->isp_ops->idc_lock(ha); 876133693c7aSVikas Chaudhary qla4_8xxx_wr_direct(ha, QLA8XXX_CRB_DEV_STATE, 8762de8c72daSVikas Chaudhary QLA8XXX_DEV_FAILED); 876333693c7aSVikas Chaudhary ha->isp_ops->idc_unlock(ha); 8764fe998527SLalit Chandivade } 8765afaf5a2dSDavid Somayajulu ret = -ENODEV; 8766b3a271a9SManish Rangankar goto remove_host; 8767afaf5a2dSDavid Somayajulu } 8768afaf5a2dSDavid Somayajulu 8769afaf5a2dSDavid Somayajulu /* Startup the kernel thread for this host adapter. */ 8770afaf5a2dSDavid Somayajulu DEBUG2(printk("scsi: %s: Starting kernel thread for " 8771afaf5a2dSDavid Somayajulu "qla4xxx_dpc\n", __func__)); 8772afaf5a2dSDavid Somayajulu sprintf(buf, "qla4xxx_%lu_dpc", ha->host_no); 8773afaf5a2dSDavid Somayajulu ha->dpc_thread = create_singlethread_workqueue(buf); 8774afaf5a2dSDavid Somayajulu if (!ha->dpc_thread) { 8775c2660df3SVikas Chaudhary ql4_printk(KERN_WARNING, ha, "Unable to start DPC thread!\n"); 8776afaf5a2dSDavid Somayajulu ret = -ENODEV; 8777b3a271a9SManish Rangankar goto remove_host; 8778afaf5a2dSDavid Somayajulu } 8779c4028958SDavid Howells INIT_WORK(&ha->dpc_work, qla4xxx_do_dpc); 8780afaf5a2dSDavid Somayajulu 8781d8537548SKees Cook ha->task_wq = alloc_workqueue("qla4xxx_%lu_task", WQ_MEM_RECLAIM, 1, 8782d8537548SKees Cook ha->host_no); 8783b3a271a9SManish Rangankar if (!ha->task_wq) { 8784b3a271a9SManish Rangankar ql4_printk(KERN_WARNING, ha, "Unable to start task thread!\n"); 8785b3a271a9SManish Rangankar ret = -ENODEV; 8786b3a271a9SManish Rangankar goto remove_host; 8787b3a271a9SManish Rangankar } 8788b3a271a9SManish Rangankar 87896e7b4292SVikas Chaudhary /* 87906e7b4292SVikas Chaudhary * For ISP-8XXX, request_irqs is called in qla4_8xxx_load_risc 8791f4f5df23SVikas Chaudhary * (which is called indirectly by qla4xxx_initialize_adapter), 8792f4f5df23SVikas Chaudhary * so that irqs will be registered after crbinit but before 8793f4f5df23SVikas Chaudhary * mbx_intr_enable. 8794f4f5df23SVikas Chaudhary */ 8795ee996a69SVikas Chaudhary if (is_qla40XX(ha)) { 8796f4f5df23SVikas Chaudhary ret = qla4xxx_request_irqs(ha); 8797afaf5a2dSDavid Somayajulu if (ret) { 8798f4f5df23SVikas Chaudhary ql4_printk(KERN_WARNING, ha, "Failed to reserve " 8799f4f5df23SVikas Chaudhary "interrupt %d already in use.\n", pdev->irq); 8800b3a271a9SManish Rangankar goto remove_host; 8801afaf5a2dSDavid Somayajulu } 8802f4f5df23SVikas Chaudhary } 8803afaf5a2dSDavid Somayajulu 88042232be0dSLalit Chandivade pci_save_state(ha->pdev); 8805f4f5df23SVikas Chaudhary ha->isp_ops->enable_intrs(ha); 8806afaf5a2dSDavid Somayajulu 8807afaf5a2dSDavid Somayajulu /* Start timer thread. */ 8808d744644aSKees Cook qla4xxx_start_timer(ha, 1); 8809afaf5a2dSDavid Somayajulu 8810afaf5a2dSDavid Somayajulu set_bit(AF_INIT_DONE, &ha->flags); 8811afaf5a2dSDavid Somayajulu 8812068237c8STej Parkash qla4_8xxx_alloc_sysfs_attr(ha); 8813068237c8STej Parkash 8814afaf5a2dSDavid Somayajulu printk(KERN_INFO 8815afaf5a2dSDavid Somayajulu " QLogic iSCSI HBA Driver version: %s\n" 8816afaf5a2dSDavid Somayajulu " QLogic ISP%04x @ %s, host#=%ld, fw=%02d.%02d.%02d.%02d\n", 8817afaf5a2dSDavid Somayajulu qla4xxx_version_str, ha->pdev->device, pci_name(ha->pdev), 8818eee06a0fSAdheer Chandravanshi ha->host_no, ha->fw_info.fw_major, ha->fw_info.fw_minor, 8819eee06a0fSAdheer Chandravanshi ha->fw_info.fw_patch, ha->fw_info.fw_build); 8820ed1086e0SVikas Chaudhary 8821cfb27874SManish Dusane /* Set the driver version */ 8822cfb27874SManish Dusane if (is_qla80XX(ha)) 8823cfb27874SManish Dusane qla4_8xxx_set_param(ha, SET_DRVR_VERSION); 8824cfb27874SManish Dusane 88252a991c21SManish Rangankar if (qla4xxx_setup_boot_info(ha)) 88263573bfb2SVikas Chaudhary ql4_printk(KERN_ERR, ha, 88273573bfb2SVikas Chaudhary "%s: No iSCSI boot target configured\n", __func__); 88282a991c21SManish Rangankar 8829906cbf3dSNilesh Javali set_bit(DPC_SYSFS_DDB_EXPORT, &ha->dpc_flags); 883013483730SMike Christie /* Perform the build ddb list and login to each */ 883113483730SMike Christie qla4xxx_build_ddb_list(ha, INIT_ADAPTER); 883213483730SMike Christie iscsi_host_for_each_session(ha->host, qla4xxx_login_flash_ddb); 88331dc8ed5dSManish Rangankar qla4xxx_wait_login_resp_boot_tgt(ha); 883413483730SMike Christie 883513483730SMike Christie qla4xxx_create_chap_list(ha); 883613483730SMike Christie 8837ed1086e0SVikas Chaudhary qla4xxx_create_ifaces(ha); 8838afaf5a2dSDavid Somayajulu return 0; 8839afaf5a2dSDavid Somayajulu 8840b3a271a9SManish Rangankar remove_host: 8841b3a271a9SManish Rangankar scsi_remove_host(ha->host); 8842b3a271a9SManish Rangankar 8843afaf5a2dSDavid Somayajulu probe_failed: 8844afaf5a2dSDavid Somayajulu qla4xxx_free_adapter(ha); 8845f4f5df23SVikas Chaudhary 8846f4f5df23SVikas Chaudhary probe_failed_ioconfig: 88472232be0dSLalit Chandivade pci_disable_pcie_error_reporting(pdev); 8848afaf5a2dSDavid Somayajulu scsi_host_put(ha->host); 8849afaf5a2dSDavid Somayajulu 8850afaf5a2dSDavid Somayajulu probe_disable_device: 8851afaf5a2dSDavid Somayajulu pci_disable_device(pdev); 8852afaf5a2dSDavid Somayajulu 8853afaf5a2dSDavid Somayajulu return ret; 8854afaf5a2dSDavid Somayajulu } 8855afaf5a2dSDavid Somayajulu 8856afaf5a2dSDavid Somayajulu /** 88577eece5a0SKaren Higgins * qla4xxx_prevent_other_port_reinit - prevent other port from re-initialize 88587eece5a0SKaren Higgins * @ha: pointer to adapter structure 88597eece5a0SKaren Higgins * 88607eece5a0SKaren Higgins * Mark the other ISP-4xxx port to indicate that the driver is being removed, 88617eece5a0SKaren Higgins * so that the other port will not re-initialize while in the process of 88627eece5a0SKaren Higgins * removing the ha due to driver unload or hba hotplug. 88637eece5a0SKaren Higgins **/ 88647eece5a0SKaren Higgins static void qla4xxx_prevent_other_port_reinit(struct scsi_qla_host *ha) 88657eece5a0SKaren Higgins { 88667eece5a0SKaren Higgins struct scsi_qla_host *other_ha = NULL; 88677eece5a0SKaren Higgins struct pci_dev *other_pdev = NULL; 88687eece5a0SKaren Higgins int fn = ISP4XXX_PCI_FN_2; 88697eece5a0SKaren Higgins 88707eece5a0SKaren Higgins /*iscsi function numbers for ISP4xxx is 1 and 3*/ 88717eece5a0SKaren Higgins if (PCI_FUNC(ha->pdev->devfn) & BIT_1) 88727eece5a0SKaren Higgins fn = ISP4XXX_PCI_FN_1; 88737eece5a0SKaren Higgins 88747eece5a0SKaren Higgins other_pdev = 88757eece5a0SKaren Higgins pci_get_domain_bus_and_slot(pci_domain_nr(ha->pdev->bus), 88767eece5a0SKaren Higgins ha->pdev->bus->number, PCI_DEVFN(PCI_SLOT(ha->pdev->devfn), 88777eece5a0SKaren Higgins fn)); 88787eece5a0SKaren Higgins 88797eece5a0SKaren Higgins /* Get other_ha if other_pdev is valid and state is enable*/ 88807eece5a0SKaren Higgins if (other_pdev) { 88817eece5a0SKaren Higgins if (atomic_read(&other_pdev->enable_cnt)) { 88827eece5a0SKaren Higgins other_ha = pci_get_drvdata(other_pdev); 88837eece5a0SKaren Higgins if (other_ha) { 88847eece5a0SKaren Higgins set_bit(AF_HA_REMOVAL, &other_ha->flags); 88857eece5a0SKaren Higgins DEBUG2(ql4_printk(KERN_INFO, ha, "%s: " 88867eece5a0SKaren Higgins "Prevent %s reinit\n", __func__, 88877eece5a0SKaren Higgins dev_name(&other_ha->pdev->dev))); 88887eece5a0SKaren Higgins } 88897eece5a0SKaren Higgins } 88907eece5a0SKaren Higgins pci_dev_put(other_pdev); 88917eece5a0SKaren Higgins } 88927eece5a0SKaren Higgins } 88937eece5a0SKaren Higgins 889428d958baSVikas Chaudhary static void qla4xxx_destroy_ddb(struct scsi_qla_host *ha, 889528d958baSVikas Chaudhary struct ddb_entry *ddb_entry) 889628d958baSVikas Chaudhary { 889728d958baSVikas Chaudhary struct dev_db_entry *fw_ddb_entry = NULL; 889828d958baSVikas Chaudhary dma_addr_t fw_ddb_entry_dma; 889928d958baSVikas Chaudhary unsigned long wtime; 890028d958baSVikas Chaudhary uint32_t ddb_state; 890128d958baSVikas Chaudhary int options; 890228d958baSVikas Chaudhary int status; 890328d958baSVikas Chaudhary 890428d958baSVikas Chaudhary options = LOGOUT_OPTION_CLOSE_SESSION; 890528d958baSVikas Chaudhary if (qla4xxx_session_logout_ddb(ha, ddb_entry, options) == QLA_ERROR) { 890628d958baSVikas Chaudhary ql4_printk(KERN_ERR, ha, "%s: Logout failed\n", __func__); 890728d958baSVikas Chaudhary goto clear_ddb; 890828d958baSVikas Chaudhary } 890928d958baSVikas Chaudhary 891028d958baSVikas Chaudhary fw_ddb_entry = dma_alloc_coherent(&ha->pdev->dev, sizeof(*fw_ddb_entry), 891128d958baSVikas Chaudhary &fw_ddb_entry_dma, GFP_KERNEL); 891228d958baSVikas Chaudhary if (!fw_ddb_entry) { 891328d958baSVikas Chaudhary ql4_printk(KERN_ERR, ha, 891428d958baSVikas Chaudhary "%s: Unable to allocate dma buffer\n", __func__); 891528d958baSVikas Chaudhary goto clear_ddb; 891628d958baSVikas Chaudhary } 891728d958baSVikas Chaudhary 891828d958baSVikas Chaudhary wtime = jiffies + (HZ * LOGOUT_TOV); 891928d958baSVikas Chaudhary do { 892028d958baSVikas Chaudhary status = qla4xxx_get_fwddb_entry(ha, ddb_entry->fw_ddb_index, 892128d958baSVikas Chaudhary fw_ddb_entry, fw_ddb_entry_dma, 892228d958baSVikas Chaudhary NULL, NULL, &ddb_state, NULL, 892328d958baSVikas Chaudhary NULL, NULL); 892428d958baSVikas Chaudhary if (status == QLA_ERROR) 892528d958baSVikas Chaudhary goto free_ddb; 892628d958baSVikas Chaudhary 892728d958baSVikas Chaudhary if ((ddb_state == DDB_DS_NO_CONNECTION_ACTIVE) || 892828d958baSVikas Chaudhary (ddb_state == DDB_DS_SESSION_FAILED)) 892928d958baSVikas Chaudhary goto free_ddb; 893028d958baSVikas Chaudhary 893128d958baSVikas Chaudhary schedule_timeout_uninterruptible(HZ); 893228d958baSVikas Chaudhary } while ((time_after(wtime, jiffies))); 893328d958baSVikas Chaudhary 893428d958baSVikas Chaudhary free_ddb: 893528d958baSVikas Chaudhary dma_free_coherent(&ha->pdev->dev, sizeof(*fw_ddb_entry), 893628d958baSVikas Chaudhary fw_ddb_entry, fw_ddb_entry_dma); 893728d958baSVikas Chaudhary clear_ddb: 893828d958baSVikas Chaudhary qla4xxx_clear_ddb_entry(ha, ddb_entry->fw_ddb_index); 893928d958baSVikas Chaudhary } 894028d958baSVikas Chaudhary 894113483730SMike Christie static void qla4xxx_destroy_fw_ddb_session(struct scsi_qla_host *ha) 894213483730SMike Christie { 894313483730SMike Christie struct ddb_entry *ddb_entry; 894413483730SMike Christie int idx; 894513483730SMike Christie 894613483730SMike Christie for (idx = 0; idx < MAX_DDB_ENTRIES; idx++) { 894713483730SMike Christie 894813483730SMike Christie ddb_entry = qla4xxx_lookup_ddb_by_fw_index(ha, idx); 894913483730SMike Christie if ((ddb_entry != NULL) && 895013483730SMike Christie (ddb_entry->ddb_type == FLASH_DDB)) { 895113483730SMike Christie 895228d958baSVikas Chaudhary qla4xxx_destroy_ddb(ha, ddb_entry); 895313483730SMike Christie /* 895413483730SMike Christie * we have decremented the reference count of the driver 895513483730SMike Christie * when we setup the session to have the driver unload 895613483730SMike Christie * to be seamless without actually destroying the 895713483730SMike Christie * session 895813483730SMike Christie **/ 895913483730SMike Christie try_module_get(qla4xxx_iscsi_transport.owner); 896013483730SMike Christie iscsi_destroy_endpoint(ddb_entry->conn->ep); 896113483730SMike Christie qla4xxx_free_ddb(ha, ddb_entry); 896213483730SMike Christie iscsi_session_teardown(ddb_entry->sess); 896313483730SMike Christie } 896413483730SMike Christie } 896513483730SMike Christie } 89667eece5a0SKaren Higgins /** 896759e13d48SMasanari Iida * qla4xxx_remove_adapter - callback function to remove adapter. 8968afaf5a2dSDavid Somayajulu * @pci_dev: PCI device pointer 8969afaf5a2dSDavid Somayajulu **/ 89706f039790SGreg Kroah-Hartman static void qla4xxx_remove_adapter(struct pci_dev *pdev) 8971afaf5a2dSDavid Somayajulu { 8972afaf5a2dSDavid Somayajulu struct scsi_qla_host *ha; 8973afaf5a2dSDavid Somayajulu 8974f8b0751dSVikas Chaudhary /* 8975f8b0751dSVikas Chaudhary * If the PCI device is disabled then it means probe_adapter had 8976f8b0751dSVikas Chaudhary * failed and resources already cleaned up on probe_adapter exit. 8977f8b0751dSVikas Chaudhary */ 8978f8b0751dSVikas Chaudhary if (!pci_is_enabled(pdev)) 8979f8b0751dSVikas Chaudhary return; 8980f8b0751dSVikas Chaudhary 8981afaf5a2dSDavid Somayajulu ha = pci_get_drvdata(pdev); 8982afaf5a2dSDavid Somayajulu 8983ee996a69SVikas Chaudhary if (is_qla40XX(ha)) 89847eece5a0SKaren Higgins qla4xxx_prevent_other_port_reinit(ha); 8985bee4fe8eSDavid C Somayajulu 8986ed1086e0SVikas Chaudhary /* destroy iface from sysfs */ 8987ed1086e0SVikas Chaudhary qla4xxx_destroy_ifaces(ha); 8988ed1086e0SVikas Chaudhary 898913483730SMike Christie if ((!ql4xdisablesysfsboot) && ha->boot_kset) 89902a991c21SManish Rangankar iscsi_boot_destroy_kset(ha->boot_kset); 89912a991c21SManish Rangankar 899213483730SMike Christie qla4xxx_destroy_fw_ddb_session(ha); 8993068237c8STej Parkash qla4_8xxx_free_sysfs_attr(ha); 899413483730SMike Christie 89951e9e2be3SAdheer Chandravanshi qla4xxx_sysfs_ddb_remove(ha); 8996afaf5a2dSDavid Somayajulu scsi_remove_host(ha->host); 8997afaf5a2dSDavid Somayajulu 8998afaf5a2dSDavid Somayajulu qla4xxx_free_adapter(ha); 8999afaf5a2dSDavid Somayajulu 9000afaf5a2dSDavid Somayajulu scsi_host_put(ha->host); 9001afaf5a2dSDavid Somayajulu 90022232be0dSLalit Chandivade pci_disable_pcie_error_reporting(pdev); 9003f4f5df23SVikas Chaudhary pci_disable_device(pdev); 9004afaf5a2dSDavid Somayajulu } 9005afaf5a2dSDavid Somayajulu 9006afaf5a2dSDavid Somayajulu /** 9007afaf5a2dSDavid Somayajulu * qla4xxx_config_dma_addressing() - Configure OS DMA addressing method. 9008afaf5a2dSDavid Somayajulu * @ha: HA context 9009afaf5a2dSDavid Somayajulu * 9010afaf5a2dSDavid Somayajulu * At exit, the @ha's flags.enable_64bit_addressing set to indicated 9011afaf5a2dSDavid Somayajulu * supported addressing method. 9012afaf5a2dSDavid Somayajulu */ 901347975477SAdrian Bunk static void qla4xxx_config_dma_addressing(struct scsi_qla_host *ha) 9014afaf5a2dSDavid Somayajulu { 9015afaf5a2dSDavid Somayajulu int retval; 9016afaf5a2dSDavid Somayajulu 9017afaf5a2dSDavid Somayajulu /* Update our PCI device dma_mask for full 64 bit mask */ 90186a35528aSYang Hongyang if (pci_set_dma_mask(ha->pdev, DMA_BIT_MASK(64)) == 0) { 90196a35528aSYang Hongyang if (pci_set_consistent_dma_mask(ha->pdev, DMA_BIT_MASK(64))) { 9020afaf5a2dSDavid Somayajulu dev_dbg(&ha->pdev->dev, 9021afaf5a2dSDavid Somayajulu "Failed to set 64 bit PCI consistent mask; " 9022afaf5a2dSDavid Somayajulu "using 32 bit.\n"); 9023afaf5a2dSDavid Somayajulu retval = pci_set_consistent_dma_mask(ha->pdev, 9024284901a9SYang Hongyang DMA_BIT_MASK(32)); 9025afaf5a2dSDavid Somayajulu } 9026afaf5a2dSDavid Somayajulu } else 9027284901a9SYang Hongyang retval = pci_set_dma_mask(ha->pdev, DMA_BIT_MASK(32)); 9028afaf5a2dSDavid Somayajulu } 9029afaf5a2dSDavid Somayajulu 9030afaf5a2dSDavid Somayajulu static int qla4xxx_slave_alloc(struct scsi_device *sdev) 9031afaf5a2dSDavid Somayajulu { 9032b3a271a9SManish Rangankar struct iscsi_cls_session *cls_sess; 9033b3a271a9SManish Rangankar struct iscsi_session *sess; 9034b3a271a9SManish Rangankar struct ddb_entry *ddb; 90358bb4033dSVikas Chaudhary int queue_depth = QL4_DEF_QDEPTH; 9036afaf5a2dSDavid Somayajulu 9037b3a271a9SManish Rangankar cls_sess = starget_to_session(sdev->sdev_target); 9038b3a271a9SManish Rangankar sess = cls_sess->dd_data; 9039b3a271a9SManish Rangankar ddb = sess->dd_data; 9040b3a271a9SManish Rangankar 9041afaf5a2dSDavid Somayajulu sdev->hostdata = ddb; 90428bb4033dSVikas Chaudhary 90438bb4033dSVikas Chaudhary if (ql4xmaxqdepth != 0 && ql4xmaxqdepth <= 0xffffU) 90448bb4033dSVikas Chaudhary queue_depth = ql4xmaxqdepth; 90458bb4033dSVikas Chaudhary 9046db5ed4dfSChristoph Hellwig scsi_change_queue_depth(sdev, queue_depth); 9047afaf5a2dSDavid Somayajulu return 0; 9048afaf5a2dSDavid Somayajulu } 9049afaf5a2dSDavid Somayajulu 9050afaf5a2dSDavid Somayajulu /** 9051afaf5a2dSDavid Somayajulu * qla4xxx_del_from_active_array - returns an active srb 9052afaf5a2dSDavid Somayajulu * @ha: Pointer to host adapter structure. 9053fd589a8fSAnand Gadiyar * @index: index into the active_array 9054afaf5a2dSDavid Somayajulu * 9055afaf5a2dSDavid Somayajulu * This routine removes and returns the srb at the specified index 9056afaf5a2dSDavid Somayajulu **/ 9057f4f5df23SVikas Chaudhary struct srb *qla4xxx_del_from_active_array(struct scsi_qla_host *ha, 9058f4f5df23SVikas Chaudhary uint32_t index) 9059afaf5a2dSDavid Somayajulu { 9060afaf5a2dSDavid Somayajulu struct srb *srb = NULL; 90615369887aSVikas Chaudhary struct scsi_cmnd *cmd = NULL; 9062afaf5a2dSDavid Somayajulu 90635369887aSVikas Chaudhary cmd = scsi_host_find_tag(ha->host, index); 90645369887aSVikas Chaudhary if (!cmd) 9065afaf5a2dSDavid Somayajulu return srb; 9066afaf5a2dSDavid Somayajulu 90675369887aSVikas Chaudhary srb = (struct srb *)CMD_SP(cmd); 90685369887aSVikas Chaudhary if (!srb) 9069afaf5a2dSDavid Somayajulu return srb; 9070afaf5a2dSDavid Somayajulu 9071afaf5a2dSDavid Somayajulu /* update counters */ 9072afaf5a2dSDavid Somayajulu if (srb->flags & SRB_DMA_VALID) { 9073afaf5a2dSDavid Somayajulu ha->iocb_cnt -= srb->iocb_cnt; 9074afaf5a2dSDavid Somayajulu if (srb->cmd) 90755369887aSVikas Chaudhary srb->cmd->host_scribble = 90765369887aSVikas Chaudhary (unsigned char *)(unsigned long) MAX_SRBS; 9077afaf5a2dSDavid Somayajulu } 9078afaf5a2dSDavid Somayajulu return srb; 9079afaf5a2dSDavid Somayajulu } 9080afaf5a2dSDavid Somayajulu 9081afaf5a2dSDavid Somayajulu /** 9082afaf5a2dSDavid Somayajulu * qla4xxx_eh_wait_on_command - waits for command to be returned by firmware 908309a0f719SVikas Chaudhary * @ha: Pointer to host adapter structure. 9084afaf5a2dSDavid Somayajulu * @cmd: Scsi Command to wait on. 9085afaf5a2dSDavid Somayajulu * 9086afaf5a2dSDavid Somayajulu * This routine waits for the command to be returned by the Firmware 9087afaf5a2dSDavid Somayajulu * for some max time. 9088afaf5a2dSDavid Somayajulu **/ 9089afaf5a2dSDavid Somayajulu static int qla4xxx_eh_wait_on_command(struct scsi_qla_host *ha, 9090afaf5a2dSDavid Somayajulu struct scsi_cmnd *cmd) 9091afaf5a2dSDavid Somayajulu { 9092afaf5a2dSDavid Somayajulu int done = 0; 9093afaf5a2dSDavid Somayajulu struct srb *rp; 9094afaf5a2dSDavid Somayajulu uint32_t max_wait_time = EH_WAIT_CMD_TOV; 90952232be0dSLalit Chandivade int ret = SUCCESS; 90962232be0dSLalit Chandivade 90972232be0dSLalit Chandivade /* Dont wait on command if PCI error is being handled 90982232be0dSLalit Chandivade * by PCI AER driver 90992232be0dSLalit Chandivade */ 91002232be0dSLalit Chandivade if (unlikely(pci_channel_offline(ha->pdev)) || 91012232be0dSLalit Chandivade (test_bit(AF_EEH_BUSY, &ha->flags))) { 91022232be0dSLalit Chandivade ql4_printk(KERN_WARNING, ha, "scsi%ld: Return from %s\n", 91032232be0dSLalit Chandivade ha->host_no, __func__); 91042232be0dSLalit Chandivade return ret; 91052232be0dSLalit Chandivade } 9106afaf5a2dSDavid Somayajulu 9107afaf5a2dSDavid Somayajulu do { 9108afaf5a2dSDavid Somayajulu /* Checking to see if its returned to OS */ 91095369887aSVikas Chaudhary rp = (struct srb *) CMD_SP(cmd); 9110afaf5a2dSDavid Somayajulu if (rp == NULL) { 9111afaf5a2dSDavid Somayajulu done++; 9112afaf5a2dSDavid Somayajulu break; 9113afaf5a2dSDavid Somayajulu } 9114afaf5a2dSDavid Somayajulu 9115afaf5a2dSDavid Somayajulu msleep(2000); 9116afaf5a2dSDavid Somayajulu } while (max_wait_time--); 9117afaf5a2dSDavid Somayajulu 9118afaf5a2dSDavid Somayajulu return done; 9119afaf5a2dSDavid Somayajulu } 9120afaf5a2dSDavid Somayajulu 9121afaf5a2dSDavid Somayajulu /** 9122afaf5a2dSDavid Somayajulu * qla4xxx_wait_for_hba_online - waits for HBA to come online 9123afaf5a2dSDavid Somayajulu * @ha: Pointer to host adapter structure 9124afaf5a2dSDavid Somayajulu **/ 9125afaf5a2dSDavid Somayajulu static int qla4xxx_wait_for_hba_online(struct scsi_qla_host *ha) 9126afaf5a2dSDavid Somayajulu { 9127afaf5a2dSDavid Somayajulu unsigned long wait_online; 9128afaf5a2dSDavid Somayajulu 9129f581a3f7SVikas Chaudhary wait_online = jiffies + (HBA_ONLINE_TOV * HZ); 9130afaf5a2dSDavid Somayajulu while (time_before(jiffies, wait_online)) { 9131afaf5a2dSDavid Somayajulu 9132afaf5a2dSDavid Somayajulu if (adapter_up(ha)) 9133afaf5a2dSDavid Somayajulu return QLA_SUCCESS; 9134afaf5a2dSDavid Somayajulu 9135afaf5a2dSDavid Somayajulu msleep(2000); 9136afaf5a2dSDavid Somayajulu } 9137afaf5a2dSDavid Somayajulu 9138afaf5a2dSDavid Somayajulu return QLA_ERROR; 9139afaf5a2dSDavid Somayajulu } 9140afaf5a2dSDavid Somayajulu 9141afaf5a2dSDavid Somayajulu /** 9142ce545039SMike Christie * qla4xxx_eh_wait_for_commands - wait for active cmds to finish. 9143fd589a8fSAnand Gadiyar * @ha: pointer to HBA 9144afaf5a2dSDavid Somayajulu * @t: target id 9145afaf5a2dSDavid Somayajulu * @l: lun id 9146afaf5a2dSDavid Somayajulu * 9147afaf5a2dSDavid Somayajulu * This function waits for all outstanding commands to a lun to complete. It 9148afaf5a2dSDavid Somayajulu * returns 0 if all pending commands are returned and 1 otherwise. 9149afaf5a2dSDavid Somayajulu **/ 9150ce545039SMike Christie static int qla4xxx_eh_wait_for_commands(struct scsi_qla_host *ha, 9151ce545039SMike Christie struct scsi_target *stgt, 9152ce545039SMike Christie struct scsi_device *sdev) 9153afaf5a2dSDavid Somayajulu { 9154afaf5a2dSDavid Somayajulu int cnt; 9155afaf5a2dSDavid Somayajulu int status = 0; 9156afaf5a2dSDavid Somayajulu struct scsi_cmnd *cmd; 9157afaf5a2dSDavid Somayajulu 9158afaf5a2dSDavid Somayajulu /* 9159ce545039SMike Christie * Waiting for all commands for the designated target or dev 9160ce545039SMike Christie * in the active array 9161afaf5a2dSDavid Somayajulu */ 9162afaf5a2dSDavid Somayajulu for (cnt = 0; cnt < ha->host->can_queue; cnt++) { 9163afaf5a2dSDavid Somayajulu cmd = scsi_host_find_tag(ha->host, cnt); 9164ce545039SMike Christie if (cmd && stgt == scsi_target(cmd->device) && 9165ce545039SMike Christie (!sdev || sdev == cmd->device)) { 9166afaf5a2dSDavid Somayajulu if (!qla4xxx_eh_wait_on_command(ha, cmd)) { 9167afaf5a2dSDavid Somayajulu status++; 9168afaf5a2dSDavid Somayajulu break; 9169afaf5a2dSDavid Somayajulu } 9170afaf5a2dSDavid Somayajulu } 9171afaf5a2dSDavid Somayajulu } 9172afaf5a2dSDavid Somayajulu return status; 9173afaf5a2dSDavid Somayajulu } 9174afaf5a2dSDavid Somayajulu 9175afaf5a2dSDavid Somayajulu /** 917609a0f719SVikas Chaudhary * qla4xxx_eh_abort - callback for abort task. 917709a0f719SVikas Chaudhary * @cmd: Pointer to Linux's SCSI command structure 917809a0f719SVikas Chaudhary * 917909a0f719SVikas Chaudhary * This routine is called by the Linux OS to abort the specified 918009a0f719SVikas Chaudhary * command. 918109a0f719SVikas Chaudhary **/ 918209a0f719SVikas Chaudhary static int qla4xxx_eh_abort(struct scsi_cmnd *cmd) 918309a0f719SVikas Chaudhary { 918409a0f719SVikas Chaudhary struct scsi_qla_host *ha = to_qla_host(cmd->device->host); 918509a0f719SVikas Chaudhary unsigned int id = cmd->device->id; 91869cb78c16SHannes Reinecke uint64_t lun = cmd->device->lun; 918792b3e5bbSMike Christie unsigned long flags; 918809a0f719SVikas Chaudhary struct srb *srb = NULL; 918909a0f719SVikas Chaudhary int ret = SUCCESS; 919009a0f719SVikas Chaudhary int wait = 0; 919109a0f719SVikas Chaudhary 91929cb78c16SHannes Reinecke ql4_printk(KERN_INFO, ha, "scsi%ld:%d:%llu: Abort command issued cmd=%p, cdb=0x%x\n", 919363c9e814SVikas Chaudhary ha->host_no, id, lun, cmd, cmd->cmnd[0]); 919409a0f719SVikas Chaudhary 919592b3e5bbSMike Christie spin_lock_irqsave(&ha->hardware_lock, flags); 919609a0f719SVikas Chaudhary srb = (struct srb *) CMD_SP(cmd); 919792b3e5bbSMike Christie if (!srb) { 919892b3e5bbSMike Christie spin_unlock_irqrestore(&ha->hardware_lock, flags); 91999cb78c16SHannes Reinecke ql4_printk(KERN_INFO, ha, "scsi%ld:%d:%llu: Specified command has already completed.\n", 920063c9e814SVikas Chaudhary ha->host_no, id, lun); 920109a0f719SVikas Chaudhary return SUCCESS; 920292b3e5bbSMike Christie } 920309a0f719SVikas Chaudhary kref_get(&srb->srb_ref); 920492b3e5bbSMike Christie spin_unlock_irqrestore(&ha->hardware_lock, flags); 920509a0f719SVikas Chaudhary 920609a0f719SVikas Chaudhary if (qla4xxx_abort_task(ha, srb) != QLA_SUCCESS) { 92079cb78c16SHannes Reinecke DEBUG3(printk("scsi%ld:%d:%llu: Abort_task mbx failed.\n", 920809a0f719SVikas Chaudhary ha->host_no, id, lun)); 920909a0f719SVikas Chaudhary ret = FAILED; 921009a0f719SVikas Chaudhary } else { 92119cb78c16SHannes Reinecke DEBUG3(printk("scsi%ld:%d:%llu: Abort_task mbx success.\n", 921209a0f719SVikas Chaudhary ha->host_no, id, lun)); 921309a0f719SVikas Chaudhary wait = 1; 921409a0f719SVikas Chaudhary } 921509a0f719SVikas Chaudhary 921609a0f719SVikas Chaudhary kref_put(&srb->srb_ref, qla4xxx_srb_compl); 921709a0f719SVikas Chaudhary 921809a0f719SVikas Chaudhary /* Wait for command to complete */ 921909a0f719SVikas Chaudhary if (wait) { 922009a0f719SVikas Chaudhary if (!qla4xxx_eh_wait_on_command(ha, cmd)) { 92219cb78c16SHannes Reinecke DEBUG2(printk("scsi%ld:%d:%llu: Abort handler timed out\n", 922209a0f719SVikas Chaudhary ha->host_no, id, lun)); 922309a0f719SVikas Chaudhary ret = FAILED; 922409a0f719SVikas Chaudhary } 922509a0f719SVikas Chaudhary } 922609a0f719SVikas Chaudhary 9227c2660df3SVikas Chaudhary ql4_printk(KERN_INFO, ha, 92289cb78c16SHannes Reinecke "scsi%ld:%d:%llu: Abort command - %s\n", 922925985edcSLucas De Marchi ha->host_no, id, lun, (ret == SUCCESS) ? "succeeded" : "failed"); 923009a0f719SVikas Chaudhary 923109a0f719SVikas Chaudhary return ret; 923209a0f719SVikas Chaudhary } 923309a0f719SVikas Chaudhary 923409a0f719SVikas Chaudhary /** 9235afaf5a2dSDavid Somayajulu * qla4xxx_eh_device_reset - callback for target reset. 9236afaf5a2dSDavid Somayajulu * @cmd: Pointer to Linux's SCSI command structure 9237afaf5a2dSDavid Somayajulu * 9238afaf5a2dSDavid Somayajulu * This routine is called by the Linux OS to reset all luns on the 9239afaf5a2dSDavid Somayajulu * specified target. 9240afaf5a2dSDavid Somayajulu **/ 9241afaf5a2dSDavid Somayajulu static int qla4xxx_eh_device_reset(struct scsi_cmnd *cmd) 9242afaf5a2dSDavid Somayajulu { 9243afaf5a2dSDavid Somayajulu struct scsi_qla_host *ha = to_qla_host(cmd->device->host); 9244afaf5a2dSDavid Somayajulu struct ddb_entry *ddb_entry = cmd->device->hostdata; 9245afaf5a2dSDavid Somayajulu int ret = FAILED, stat; 9246afaf5a2dSDavid Somayajulu 9247612f7348SKaren Higgins if (!ddb_entry) 9248afaf5a2dSDavid Somayajulu return ret; 9249afaf5a2dSDavid Somayajulu 9250c01be6dcSMike Christie ret = iscsi_block_scsi_eh(cmd); 9251c01be6dcSMike Christie if (ret) 9252c01be6dcSMike Christie return ret; 9253c01be6dcSMike Christie ret = FAILED; 9254c01be6dcSMike Christie 9255c2660df3SVikas Chaudhary ql4_printk(KERN_INFO, ha, 92569cb78c16SHannes Reinecke "scsi%ld:%d:%d:%llu: DEVICE RESET ISSUED.\n", ha->host_no, 9257afaf5a2dSDavid Somayajulu cmd->device->channel, cmd->device->id, cmd->device->lun); 9258afaf5a2dSDavid Somayajulu 9259afaf5a2dSDavid Somayajulu DEBUG2(printk(KERN_INFO 9260afaf5a2dSDavid Somayajulu "scsi%ld: DEVICE_RESET cmd=%p jiffies = 0x%lx, to=%x," 9261afaf5a2dSDavid Somayajulu "dpc_flags=%lx, status=%x allowed=%d\n", ha->host_no, 9262242f9dcbSJens Axboe cmd, jiffies, cmd->request->timeout / HZ, 9263afaf5a2dSDavid Somayajulu ha->dpc_flags, cmd->result, cmd->allowed)); 9264afaf5a2dSDavid Somayajulu 9265afaf5a2dSDavid Somayajulu /* FIXME: wait for hba to go online */ 9266afaf5a2dSDavid Somayajulu stat = qla4xxx_reset_lun(ha, ddb_entry, cmd->device->lun); 9267afaf5a2dSDavid Somayajulu if (stat != QLA_SUCCESS) { 9268c2660df3SVikas Chaudhary ql4_printk(KERN_INFO, ha, "DEVICE RESET FAILED. %d\n", stat); 9269afaf5a2dSDavid Somayajulu goto eh_dev_reset_done; 9270afaf5a2dSDavid Somayajulu } 9271afaf5a2dSDavid Somayajulu 9272ce545039SMike Christie if (qla4xxx_eh_wait_for_commands(ha, scsi_target(cmd->device), 9273ce545039SMike Christie cmd->device)) { 9274c2660df3SVikas Chaudhary ql4_printk(KERN_INFO, ha, 9275afaf5a2dSDavid Somayajulu "DEVICE RESET FAILED - waiting for " 9276afaf5a2dSDavid Somayajulu "commands.\n"); 9277afaf5a2dSDavid Somayajulu goto eh_dev_reset_done; 9278afaf5a2dSDavid Somayajulu } 9279afaf5a2dSDavid Somayajulu 92809d562913SDavid C Somayajulu /* Send marker. */ 92819d562913SDavid C Somayajulu if (qla4xxx_send_marker_iocb(ha, ddb_entry, cmd->device->lun, 92829d562913SDavid C Somayajulu MM_LUN_RESET) != QLA_SUCCESS) 92839d562913SDavid C Somayajulu goto eh_dev_reset_done; 92849d562913SDavid C Somayajulu 9285c2660df3SVikas Chaudhary ql4_printk(KERN_INFO, ha, 92869cb78c16SHannes Reinecke "scsi(%ld:%d:%d:%llu): DEVICE RESET SUCCEEDED.\n", 9287afaf5a2dSDavid Somayajulu ha->host_no, cmd->device->channel, cmd->device->id, 9288afaf5a2dSDavid Somayajulu cmd->device->lun); 9289afaf5a2dSDavid Somayajulu 9290afaf5a2dSDavid Somayajulu ret = SUCCESS; 9291afaf5a2dSDavid Somayajulu 9292afaf5a2dSDavid Somayajulu eh_dev_reset_done: 9293afaf5a2dSDavid Somayajulu 9294afaf5a2dSDavid Somayajulu return ret; 9295afaf5a2dSDavid Somayajulu } 9296afaf5a2dSDavid Somayajulu 9297afaf5a2dSDavid Somayajulu /** 9298ce545039SMike Christie * qla4xxx_eh_target_reset - callback for target reset. 9299ce545039SMike Christie * @cmd: Pointer to Linux's SCSI command structure 9300ce545039SMike Christie * 9301ce545039SMike Christie * This routine is called by the Linux OS to reset the target. 9302ce545039SMike Christie **/ 9303ce545039SMike Christie static int qla4xxx_eh_target_reset(struct scsi_cmnd *cmd) 9304ce545039SMike Christie { 9305ce545039SMike Christie struct scsi_qla_host *ha = to_qla_host(cmd->device->host); 9306ce545039SMike Christie struct ddb_entry *ddb_entry = cmd->device->hostdata; 9307c01be6dcSMike Christie int stat, ret; 9308ce545039SMike Christie 9309ce545039SMike Christie if (!ddb_entry) 9310ce545039SMike Christie return FAILED; 9311ce545039SMike Christie 9312c01be6dcSMike Christie ret = iscsi_block_scsi_eh(cmd); 9313c01be6dcSMike Christie if (ret) 9314c01be6dcSMike Christie return ret; 9315c01be6dcSMike Christie 9316ce545039SMike Christie starget_printk(KERN_INFO, scsi_target(cmd->device), 9317ce545039SMike Christie "WARM TARGET RESET ISSUED.\n"); 9318ce545039SMike Christie 9319ce545039SMike Christie DEBUG2(printk(KERN_INFO 9320ce545039SMike Christie "scsi%ld: TARGET_DEVICE_RESET cmd=%p jiffies = 0x%lx, " 9321ce545039SMike Christie "to=%x,dpc_flags=%lx, status=%x allowed=%d\n", 9322242f9dcbSJens Axboe ha->host_no, cmd, jiffies, cmd->request->timeout / HZ, 9323ce545039SMike Christie ha->dpc_flags, cmd->result, cmd->allowed)); 9324ce545039SMike Christie 9325ce545039SMike Christie stat = qla4xxx_reset_target(ha, ddb_entry); 9326ce545039SMike Christie if (stat != QLA_SUCCESS) { 9327ce545039SMike Christie starget_printk(KERN_INFO, scsi_target(cmd->device), 9328ce545039SMike Christie "WARM TARGET RESET FAILED.\n"); 9329ce545039SMike Christie return FAILED; 9330ce545039SMike Christie } 9331ce545039SMike Christie 9332ce545039SMike Christie if (qla4xxx_eh_wait_for_commands(ha, scsi_target(cmd->device), 9333ce545039SMike Christie NULL)) { 9334ce545039SMike Christie starget_printk(KERN_INFO, scsi_target(cmd->device), 9335ce545039SMike Christie "WARM TARGET DEVICE RESET FAILED - " 9336ce545039SMike Christie "waiting for commands.\n"); 9337ce545039SMike Christie return FAILED; 9338ce545039SMike Christie } 9339ce545039SMike Christie 93409d562913SDavid C Somayajulu /* Send marker. */ 93419d562913SDavid C Somayajulu if (qla4xxx_send_marker_iocb(ha, ddb_entry, cmd->device->lun, 93429d562913SDavid C Somayajulu MM_TGT_WARM_RESET) != QLA_SUCCESS) { 93439d562913SDavid C Somayajulu starget_printk(KERN_INFO, scsi_target(cmd->device), 93449d562913SDavid C Somayajulu "WARM TARGET DEVICE RESET FAILED - " 93459d562913SDavid C Somayajulu "marker iocb failed.\n"); 93469d562913SDavid C Somayajulu return FAILED; 93479d562913SDavid C Somayajulu } 93489d562913SDavid C Somayajulu 9349ce545039SMike Christie starget_printk(KERN_INFO, scsi_target(cmd->device), 9350ce545039SMike Christie "WARM TARGET RESET SUCCEEDED.\n"); 9351ce545039SMike Christie return SUCCESS; 9352ce545039SMike Christie } 9353ce545039SMike Christie 9354ce545039SMike Christie /** 93558a288960SSarang Radke * qla4xxx_is_eh_active - check if error handler is running 93568a288960SSarang Radke * @shost: Pointer to SCSI Host struct 93578a288960SSarang Radke * 93588a288960SSarang Radke * This routine finds that if reset host is called in EH 93598a288960SSarang Radke * scenario or from some application like sg_reset 93608a288960SSarang Radke **/ 93618a288960SSarang Radke static int qla4xxx_is_eh_active(struct Scsi_Host *shost) 93628a288960SSarang Radke { 93638a288960SSarang Radke if (shost->shost_state == SHOST_RECOVERY) 93648a288960SSarang Radke return 1; 93658a288960SSarang Radke return 0; 93668a288960SSarang Radke } 93678a288960SSarang Radke 93688a288960SSarang Radke /** 9369afaf5a2dSDavid Somayajulu * qla4xxx_eh_host_reset - kernel callback 9370afaf5a2dSDavid Somayajulu * @cmd: Pointer to Linux's SCSI command structure 9371afaf5a2dSDavid Somayajulu * 9372afaf5a2dSDavid Somayajulu * This routine is invoked by the Linux kernel to perform fatal error 9373afaf5a2dSDavid Somayajulu * recovery on the specified adapter. 9374afaf5a2dSDavid Somayajulu **/ 9375afaf5a2dSDavid Somayajulu static int qla4xxx_eh_host_reset(struct scsi_cmnd *cmd) 9376afaf5a2dSDavid Somayajulu { 9377afaf5a2dSDavid Somayajulu int return_status = FAILED; 9378afaf5a2dSDavid Somayajulu struct scsi_qla_host *ha; 9379afaf5a2dSDavid Somayajulu 9380b3a271a9SManish Rangankar ha = to_qla_host(cmd->device->host); 9381afaf5a2dSDavid Somayajulu 9382b37ca418SVikas Chaudhary if ((is_qla8032(ha) || is_qla8042(ha)) && ql4xdontresethba) 93836e7b4292SVikas Chaudhary qla4_83xx_set_idc_dontreset(ha); 93846e7b4292SVikas Chaudhary 93856e7b4292SVikas Chaudhary /* 9386b37ca418SVikas Chaudhary * For ISP8324 and ISP8042, if IDC_CTRL DONTRESET_BIT0 is set by other 9387b37ca418SVikas Chaudhary * protocol drivers, we should not set device_state to NEED_RESET 93886e7b4292SVikas Chaudhary */ 93896e7b4292SVikas Chaudhary if (ql4xdontresethba || 9390b37ca418SVikas Chaudhary ((is_qla8032(ha) || is_qla8042(ha)) && 9391b37ca418SVikas Chaudhary qla4_83xx_idc_dontreset(ha))) { 9392f4f5df23SVikas Chaudhary DEBUG2(printk("scsi%ld: %s: Don't Reset HBA\n", 9393f4f5df23SVikas Chaudhary ha->host_no, __func__)); 93948a288960SSarang Radke 93958a288960SSarang Radke /* Clear outstanding srb in queues */ 93968a288960SSarang Radke if (qla4xxx_is_eh_active(cmd->device->host)) 93978a288960SSarang Radke qla4xxx_abort_active_cmds(ha, DID_ABORT << 16); 93988a288960SSarang Radke 9399f4f5df23SVikas Chaudhary return FAILED; 9400f4f5df23SVikas Chaudhary } 9401f4f5df23SVikas Chaudhary 9402c2660df3SVikas Chaudhary ql4_printk(KERN_INFO, ha, 94039cb78c16SHannes Reinecke "scsi(%ld:%d:%d:%llu): HOST RESET ISSUED.\n", ha->host_no, 9404afaf5a2dSDavid Somayajulu cmd->device->channel, cmd->device->id, cmd->device->lun); 9405afaf5a2dSDavid Somayajulu 9406afaf5a2dSDavid Somayajulu if (qla4xxx_wait_for_hba_online(ha) != QLA_SUCCESS) { 9407afaf5a2dSDavid Somayajulu DEBUG2(printk("scsi%ld:%d: %s: Unable to reset host. Adapter " 9408afaf5a2dSDavid Somayajulu "DEAD.\n", ha->host_no, cmd->device->channel, 9409afaf5a2dSDavid Somayajulu __func__)); 9410afaf5a2dSDavid Somayajulu 9411afaf5a2dSDavid Somayajulu return FAILED; 9412afaf5a2dSDavid Somayajulu } 9413afaf5a2dSDavid Somayajulu 9414f4f5df23SVikas Chaudhary if (!test_bit(DPC_RESET_HA, &ha->dpc_flags)) { 94156e7b4292SVikas Chaudhary if (is_qla80XX(ha)) 9416f4f5df23SVikas Chaudhary set_bit(DPC_RESET_HA_FW_CONTEXT, &ha->dpc_flags); 9417f4f5df23SVikas Chaudhary else 9418f4f5df23SVikas Chaudhary set_bit(DPC_RESET_HA, &ha->dpc_flags); 9419f4f5df23SVikas Chaudhary } 942050a29aecSMike Christie 9421f4f5df23SVikas Chaudhary if (qla4xxx_recover_adapter(ha) == QLA_SUCCESS) 9422afaf5a2dSDavid Somayajulu return_status = SUCCESS; 9423afaf5a2dSDavid Somayajulu 9424c2660df3SVikas Chaudhary ql4_printk(KERN_INFO, ha, "HOST RESET %s.\n", 942525985edcSLucas De Marchi return_status == FAILED ? "FAILED" : "SUCCEEDED"); 9426afaf5a2dSDavid Somayajulu 9427afaf5a2dSDavid Somayajulu return return_status; 9428afaf5a2dSDavid Somayajulu } 9429afaf5a2dSDavid Somayajulu 943095d31262SVikas Chaudhary static int qla4xxx_context_reset(struct scsi_qla_host *ha) 943195d31262SVikas Chaudhary { 943295d31262SVikas Chaudhary uint32_t mbox_cmd[MBOX_REG_COUNT]; 943395d31262SVikas Chaudhary uint32_t mbox_sts[MBOX_REG_COUNT]; 943495d31262SVikas Chaudhary struct addr_ctrl_blk_def *acb = NULL; 943595d31262SVikas Chaudhary uint32_t acb_len = sizeof(struct addr_ctrl_blk_def); 943695d31262SVikas Chaudhary int rval = QLA_SUCCESS; 943795d31262SVikas Chaudhary dma_addr_t acb_dma; 943895d31262SVikas Chaudhary 943995d31262SVikas Chaudhary acb = dma_alloc_coherent(&ha->pdev->dev, 944095d31262SVikas Chaudhary sizeof(struct addr_ctrl_blk_def), 944195d31262SVikas Chaudhary &acb_dma, GFP_KERNEL); 944295d31262SVikas Chaudhary if (!acb) { 944395d31262SVikas Chaudhary ql4_printk(KERN_ERR, ha, "%s: Unable to alloc acb\n", 944495d31262SVikas Chaudhary __func__); 944595d31262SVikas Chaudhary rval = -ENOMEM; 944695d31262SVikas Chaudhary goto exit_port_reset; 944795d31262SVikas Chaudhary } 944895d31262SVikas Chaudhary 944995d31262SVikas Chaudhary memset(acb, 0, acb_len); 945095d31262SVikas Chaudhary 945195d31262SVikas Chaudhary rval = qla4xxx_get_acb(ha, acb_dma, PRIMARI_ACB, acb_len); 945295d31262SVikas Chaudhary if (rval != QLA_SUCCESS) { 945395d31262SVikas Chaudhary rval = -EIO; 945495d31262SVikas Chaudhary goto exit_free_acb; 945595d31262SVikas Chaudhary } 945695d31262SVikas Chaudhary 945795d31262SVikas Chaudhary rval = qla4xxx_disable_acb(ha); 945895d31262SVikas Chaudhary if (rval != QLA_SUCCESS) { 945995d31262SVikas Chaudhary rval = -EIO; 946095d31262SVikas Chaudhary goto exit_free_acb; 946195d31262SVikas Chaudhary } 946295d31262SVikas Chaudhary 946395d31262SVikas Chaudhary wait_for_completion_timeout(&ha->disable_acb_comp, 946495d31262SVikas Chaudhary DISABLE_ACB_TOV * HZ); 946595d31262SVikas Chaudhary 946695d31262SVikas Chaudhary rval = qla4xxx_set_acb(ha, &mbox_cmd[0], &mbox_sts[0], acb_dma); 946795d31262SVikas Chaudhary if (rval != QLA_SUCCESS) { 946895d31262SVikas Chaudhary rval = -EIO; 946995d31262SVikas Chaudhary goto exit_free_acb; 947095d31262SVikas Chaudhary } 947195d31262SVikas Chaudhary 947295d31262SVikas Chaudhary exit_free_acb: 947395d31262SVikas Chaudhary dma_free_coherent(&ha->pdev->dev, sizeof(struct addr_ctrl_blk_def), 947495d31262SVikas Chaudhary acb, acb_dma); 947595d31262SVikas Chaudhary exit_port_reset: 947695d31262SVikas Chaudhary DEBUG2(ql4_printk(KERN_INFO, ha, "%s %s\n", __func__, 947795d31262SVikas Chaudhary rval == QLA_SUCCESS ? "SUCCEEDED" : "FAILED")); 947895d31262SVikas Chaudhary return rval; 947995d31262SVikas Chaudhary } 948095d31262SVikas Chaudhary 948195d31262SVikas Chaudhary static int qla4xxx_host_reset(struct Scsi_Host *shost, int reset_type) 948295d31262SVikas Chaudhary { 948395d31262SVikas Chaudhary struct scsi_qla_host *ha = to_qla_host(shost); 948495d31262SVikas Chaudhary int rval = QLA_SUCCESS; 9485ebd777deSVikas Chaudhary uint32_t idc_ctrl; 948695d31262SVikas Chaudhary 948795d31262SVikas Chaudhary if (ql4xdontresethba) { 948895d31262SVikas Chaudhary DEBUG2(ql4_printk(KERN_INFO, ha, "%s: Don't Reset HBA\n", 948995d31262SVikas Chaudhary __func__)); 949095d31262SVikas Chaudhary rval = -EPERM; 949195d31262SVikas Chaudhary goto exit_host_reset; 949295d31262SVikas Chaudhary } 949395d31262SVikas Chaudhary 949495d31262SVikas Chaudhary if (test_bit(DPC_RESET_HA, &ha->dpc_flags)) 949595d31262SVikas Chaudhary goto recover_adapter; 949695d31262SVikas Chaudhary 949795d31262SVikas Chaudhary switch (reset_type) { 949895d31262SVikas Chaudhary case SCSI_ADAPTER_RESET: 949995d31262SVikas Chaudhary set_bit(DPC_RESET_HA, &ha->dpc_flags); 950095d31262SVikas Chaudhary break; 950195d31262SVikas Chaudhary case SCSI_FIRMWARE_RESET: 950295d31262SVikas Chaudhary if (!test_bit(DPC_RESET_HA, &ha->dpc_flags)) { 95036e7b4292SVikas Chaudhary if (is_qla80XX(ha)) 950495d31262SVikas Chaudhary /* set firmware context reset */ 950595d31262SVikas Chaudhary set_bit(DPC_RESET_HA_FW_CONTEXT, 950695d31262SVikas Chaudhary &ha->dpc_flags); 950795d31262SVikas Chaudhary else { 950895d31262SVikas Chaudhary rval = qla4xxx_context_reset(ha); 950995d31262SVikas Chaudhary goto exit_host_reset; 951095d31262SVikas Chaudhary } 951195d31262SVikas Chaudhary } 951295d31262SVikas Chaudhary break; 951395d31262SVikas Chaudhary } 951495d31262SVikas Chaudhary 951595d31262SVikas Chaudhary recover_adapter: 9516b37ca418SVikas Chaudhary /* For ISP8324 and ISP8042 set graceful reset bit in IDC_DRV_CTRL if 9517ebd777deSVikas Chaudhary * reset is issued by application */ 9518b37ca418SVikas Chaudhary if ((is_qla8032(ha) || is_qla8042(ha)) && 9519b37ca418SVikas Chaudhary test_bit(DPC_RESET_HA, &ha->dpc_flags)) { 9520ebd777deSVikas Chaudhary idc_ctrl = qla4_83xx_rd_reg(ha, QLA83XX_IDC_DRV_CTRL); 9521ebd777deSVikas Chaudhary qla4_83xx_wr_reg(ha, QLA83XX_IDC_DRV_CTRL, 9522ebd777deSVikas Chaudhary (idc_ctrl | GRACEFUL_RESET_BIT1)); 9523ebd777deSVikas Chaudhary } 9524ebd777deSVikas Chaudhary 952595d31262SVikas Chaudhary rval = qla4xxx_recover_adapter(ha); 952695d31262SVikas Chaudhary if (rval != QLA_SUCCESS) { 952795d31262SVikas Chaudhary DEBUG2(ql4_printk(KERN_INFO, ha, "%s: recover adapter fail\n", 952895d31262SVikas Chaudhary __func__)); 952995d31262SVikas Chaudhary rval = -EIO; 953095d31262SVikas Chaudhary } 953195d31262SVikas Chaudhary 953295d31262SVikas Chaudhary exit_host_reset: 953395d31262SVikas Chaudhary return rval; 953495d31262SVikas Chaudhary } 953595d31262SVikas Chaudhary 95362232be0dSLalit Chandivade /* PCI AER driver recovers from all correctable errors w/o 95372232be0dSLalit Chandivade * driver intervention. For uncorrectable errors PCI AER 95382232be0dSLalit Chandivade * driver calls the following device driver's callbacks 95392232be0dSLalit Chandivade * 95402232be0dSLalit Chandivade * - Fatal Errors - link_reset 9541364757e4SCao jin * - Non-Fatal Errors - driver's error_detected() which 95422232be0dSLalit Chandivade * returns CAN_RECOVER, NEED_RESET or DISCONNECT. 95432232be0dSLalit Chandivade * 95442232be0dSLalit Chandivade * PCI AER driver calls 9545364757e4SCao jin * CAN_RECOVER - driver's mmio_enabled(), mmio_enabled() 95462232be0dSLalit Chandivade * returns RECOVERED or NEED_RESET if fw_hung 95472232be0dSLalit Chandivade * NEED_RESET - driver's slot_reset() 95482232be0dSLalit Chandivade * DISCONNECT - device is dead & cannot recover 9549364757e4SCao jin * RECOVERED - driver's resume() 95502232be0dSLalit Chandivade */ 95512232be0dSLalit Chandivade static pci_ers_result_t 95522232be0dSLalit Chandivade qla4xxx_pci_error_detected(struct pci_dev *pdev, pci_channel_state_t state) 95532232be0dSLalit Chandivade { 95542232be0dSLalit Chandivade struct scsi_qla_host *ha = pci_get_drvdata(pdev); 95552232be0dSLalit Chandivade 95562232be0dSLalit Chandivade ql4_printk(KERN_WARNING, ha, "scsi%ld: %s: error detected:state %x\n", 95572232be0dSLalit Chandivade ha->host_no, __func__, state); 95582232be0dSLalit Chandivade 95592232be0dSLalit Chandivade if (!is_aer_supported(ha)) 95602232be0dSLalit Chandivade return PCI_ERS_RESULT_NONE; 95612232be0dSLalit Chandivade 95622232be0dSLalit Chandivade switch (state) { 95632232be0dSLalit Chandivade case pci_channel_io_normal: 95642232be0dSLalit Chandivade clear_bit(AF_EEH_BUSY, &ha->flags); 95652232be0dSLalit Chandivade return PCI_ERS_RESULT_CAN_RECOVER; 95662232be0dSLalit Chandivade case pci_channel_io_frozen: 95672232be0dSLalit Chandivade set_bit(AF_EEH_BUSY, &ha->flags); 95682232be0dSLalit Chandivade qla4xxx_mailbox_premature_completion(ha); 95692232be0dSLalit Chandivade qla4xxx_free_irqs(ha); 95702232be0dSLalit Chandivade pci_disable_device(pdev); 95717b3595dfSVikas Chaudhary /* Return back all IOs */ 95727b3595dfSVikas Chaudhary qla4xxx_abort_active_cmds(ha, DID_RESET << 16); 95732232be0dSLalit Chandivade return PCI_ERS_RESULT_NEED_RESET; 95742232be0dSLalit Chandivade case pci_channel_io_perm_failure: 95752232be0dSLalit Chandivade set_bit(AF_EEH_BUSY, &ha->flags); 95762232be0dSLalit Chandivade set_bit(AF_PCI_CHANNEL_IO_PERM_FAILURE, &ha->flags); 95772232be0dSLalit Chandivade qla4xxx_abort_active_cmds(ha, DID_NO_CONNECT << 16); 95782232be0dSLalit Chandivade return PCI_ERS_RESULT_DISCONNECT; 95792232be0dSLalit Chandivade } 95802232be0dSLalit Chandivade return PCI_ERS_RESULT_NEED_RESET; 95812232be0dSLalit Chandivade } 95822232be0dSLalit Chandivade 95832232be0dSLalit Chandivade /** 95842232be0dSLalit Chandivade * qla4xxx_pci_mmio_enabled() gets called if 95852232be0dSLalit Chandivade * qla4xxx_pci_error_detected() returns PCI_ERS_RESULT_CAN_RECOVER 95862232be0dSLalit Chandivade * and read/write to the device still works. 95872232be0dSLalit Chandivade **/ 95882232be0dSLalit Chandivade static pci_ers_result_t 95892232be0dSLalit Chandivade qla4xxx_pci_mmio_enabled(struct pci_dev *pdev) 95902232be0dSLalit Chandivade { 95912232be0dSLalit Chandivade struct scsi_qla_host *ha = pci_get_drvdata(pdev); 95922232be0dSLalit Chandivade 95932232be0dSLalit Chandivade if (!is_aer_supported(ha)) 95942232be0dSLalit Chandivade return PCI_ERS_RESULT_NONE; 95952232be0dSLalit Chandivade 95962232be0dSLalit Chandivade return PCI_ERS_RESULT_RECOVERED; 95972232be0dSLalit Chandivade } 95982232be0dSLalit Chandivade 95997b3595dfSVikas Chaudhary static uint32_t qla4_8xxx_error_recovery(struct scsi_qla_host *ha) 96002232be0dSLalit Chandivade { 96012232be0dSLalit Chandivade uint32_t rval = QLA_ERROR; 96022232be0dSLalit Chandivade int fn; 96032232be0dSLalit Chandivade struct pci_dev *other_pdev = NULL; 96042232be0dSLalit Chandivade 96052232be0dSLalit Chandivade ql4_printk(KERN_WARNING, ha, "scsi%ld: In %s\n", ha->host_no, __func__); 96062232be0dSLalit Chandivade 96072232be0dSLalit Chandivade set_bit(DPC_RESET_ACTIVE, &ha->dpc_flags); 96082232be0dSLalit Chandivade 96092232be0dSLalit Chandivade if (test_bit(AF_ONLINE, &ha->flags)) { 96102232be0dSLalit Chandivade clear_bit(AF_ONLINE, &ha->flags); 9611b3a271a9SManish Rangankar clear_bit(AF_LINK_UP, &ha->flags); 9612b3a271a9SManish Rangankar iscsi_host_for_each_session(ha->host, qla4xxx_fail_session); 96132232be0dSLalit Chandivade qla4xxx_process_aen(ha, FLUSH_DDB_CHANGED_AENS); 96142232be0dSLalit Chandivade } 96152232be0dSLalit Chandivade 96162232be0dSLalit Chandivade fn = PCI_FUNC(ha->pdev->devfn); 9617daa34eb4STej Parkash if (is_qla8022(ha)) { 96182232be0dSLalit Chandivade while (fn > 0) { 96192232be0dSLalit Chandivade fn--; 9620daa34eb4STej Parkash ql4_printk(KERN_INFO, ha, "scsi%ld: %s: Finding PCI device at func %x\n", 9621daa34eb4STej Parkash ha->host_no, __func__, fn); 96222232be0dSLalit Chandivade /* Get the pci device given the domain, bus, 96232232be0dSLalit Chandivade * slot/function number */ 9624daa34eb4STej Parkash other_pdev = pci_get_domain_bus_and_slot( 9625daa34eb4STej Parkash pci_domain_nr(ha->pdev->bus), 9626daa34eb4STej Parkash ha->pdev->bus->number, 9627daa34eb4STej Parkash PCI_DEVFN(PCI_SLOT(ha->pdev->devfn), 96282232be0dSLalit Chandivade fn)); 96292232be0dSLalit Chandivade 96302232be0dSLalit Chandivade if (!other_pdev) 96312232be0dSLalit Chandivade continue; 96322232be0dSLalit Chandivade 96332232be0dSLalit Chandivade if (atomic_read(&other_pdev->enable_cnt)) { 9634daa34eb4STej Parkash ql4_printk(KERN_INFO, ha, "scsi%ld: %s: Found PCI func in enabled state%x\n", 9635daa34eb4STej Parkash ha->host_no, __func__, fn); 96362232be0dSLalit Chandivade pci_dev_put(other_pdev); 96372232be0dSLalit Chandivade break; 96382232be0dSLalit Chandivade } 96392232be0dSLalit Chandivade pci_dev_put(other_pdev); 96402232be0dSLalit Chandivade } 9641daa34eb4STej Parkash } else { 9642daa34eb4STej Parkash /* this case is meant for ISP83xx/ISP84xx only */ 9643daa34eb4STej Parkash if (qla4_83xx_can_perform_reset(ha)) { 9644daa34eb4STej Parkash /* reset fn as iSCSI is going to perform the reset */ 9645daa34eb4STej Parkash fn = 0; 9646daa34eb4STej Parkash } 9647daa34eb4STej Parkash } 96482232be0dSLalit Chandivade 96492232be0dSLalit Chandivade /* The first function on the card, the reset owner will 96502232be0dSLalit Chandivade * start & initialize the firmware. The other functions 96512232be0dSLalit Chandivade * on the card will reset the firmware context 96522232be0dSLalit Chandivade */ 96532232be0dSLalit Chandivade if (!fn) { 96542232be0dSLalit Chandivade ql4_printk(KERN_INFO, ha, "scsi%ld: %s: devfn being reset " 96552232be0dSLalit Chandivade "0x%x is the owner\n", ha->host_no, __func__, 96562232be0dSLalit Chandivade ha->pdev->devfn); 96572232be0dSLalit Chandivade 965833693c7aSVikas Chaudhary ha->isp_ops->idc_lock(ha); 965933693c7aSVikas Chaudhary qla4_8xxx_wr_direct(ha, QLA8XXX_CRB_DEV_STATE, 9660de8c72daSVikas Chaudhary QLA8XXX_DEV_COLD); 966133693c7aSVikas Chaudhary ha->isp_ops->idc_unlock(ha); 96622232be0dSLalit Chandivade 966339c95826SVikas Chaudhary rval = qla4_8xxx_update_idc_reg(ha); 966439c95826SVikas Chaudhary if (rval == QLA_ERROR) { 966539c95826SVikas Chaudhary ql4_printk(KERN_INFO, ha, "scsi%ld: %s: HW State: FAILED\n", 966639c95826SVikas Chaudhary ha->host_no, __func__); 966739c95826SVikas Chaudhary ha->isp_ops->idc_lock(ha); 966839c95826SVikas Chaudhary qla4_8xxx_wr_direct(ha, QLA8XXX_CRB_DEV_STATE, 966939c95826SVikas Chaudhary QLA8XXX_DEV_FAILED); 967039c95826SVikas Chaudhary ha->isp_ops->idc_unlock(ha); 967139c95826SVikas Chaudhary goto exit_error_recovery; 967239c95826SVikas Chaudhary } 96732232be0dSLalit Chandivade 96742232be0dSLalit Chandivade clear_bit(AF_FW_RECOVERY, &ha->flags); 967513483730SMike Christie rval = qla4xxx_initialize_adapter(ha, RESET_ADAPTER); 96762232be0dSLalit Chandivade 96772232be0dSLalit Chandivade if (rval != QLA_SUCCESS) { 96782232be0dSLalit Chandivade ql4_printk(KERN_INFO, ha, "scsi%ld: %s: HW State: " 96792232be0dSLalit Chandivade "FAILED\n", ha->host_no, __func__); 968037418cc6SNilesh Javali qla4xxx_free_irqs(ha); 968182761907SPoornima Vonti ha->isp_ops->idc_lock(ha); 96822232be0dSLalit Chandivade qla4_8xxx_clear_drv_active(ha); 968333693c7aSVikas Chaudhary qla4_8xxx_wr_direct(ha, QLA8XXX_CRB_DEV_STATE, 9684de8c72daSVikas Chaudhary QLA8XXX_DEV_FAILED); 968582761907SPoornima Vonti ha->isp_ops->idc_unlock(ha); 96862232be0dSLalit Chandivade } else { 96872232be0dSLalit Chandivade ql4_printk(KERN_INFO, ha, "scsi%ld: %s: HW State: " 96882232be0dSLalit Chandivade "READY\n", ha->host_no, __func__); 968982761907SPoornima Vonti ha->isp_ops->idc_lock(ha); 969033693c7aSVikas Chaudhary qla4_8xxx_wr_direct(ha, QLA8XXX_CRB_DEV_STATE, 9691de8c72daSVikas Chaudhary QLA8XXX_DEV_READY); 96922232be0dSLalit Chandivade /* Clear driver state register */ 969333693c7aSVikas Chaudhary qla4_8xxx_wr_direct(ha, QLA8XXX_CRB_DRV_STATE, 0); 96942232be0dSLalit Chandivade qla4_8xxx_set_drv_active(ha); 969582761907SPoornima Vonti ha->isp_ops->idc_unlock(ha); 96962232be0dSLalit Chandivade ha->isp_ops->enable_intrs(ha); 96972232be0dSLalit Chandivade } 96982232be0dSLalit Chandivade } else { 96992232be0dSLalit Chandivade ql4_printk(KERN_INFO, ha, "scsi%ld: %s: devfn 0x%x is not " 97002232be0dSLalit Chandivade "the reset owner\n", ha->host_no, __func__, 97012232be0dSLalit Chandivade ha->pdev->devfn); 970233693c7aSVikas Chaudhary if ((qla4_8xxx_rd_direct(ha, QLA8XXX_CRB_DEV_STATE) == 9703de8c72daSVikas Chaudhary QLA8XXX_DEV_READY)) { 97042232be0dSLalit Chandivade clear_bit(AF_FW_RECOVERY, &ha->flags); 970513483730SMike Christie rval = qla4xxx_initialize_adapter(ha, RESET_ADAPTER); 9706137257daSPoornima Vonti if (rval == QLA_SUCCESS) 97072232be0dSLalit Chandivade ha->isp_ops->enable_intrs(ha); 970837418cc6SNilesh Javali else 970937418cc6SNilesh Javali qla4xxx_free_irqs(ha); 9710137257daSPoornima Vonti 971133693c7aSVikas Chaudhary ha->isp_ops->idc_lock(ha); 97122232be0dSLalit Chandivade qla4_8xxx_set_drv_active(ha); 971333693c7aSVikas Chaudhary ha->isp_ops->idc_unlock(ha); 97142232be0dSLalit Chandivade } 97152232be0dSLalit Chandivade } 971639c95826SVikas Chaudhary exit_error_recovery: 97172232be0dSLalit Chandivade clear_bit(DPC_RESET_ACTIVE, &ha->dpc_flags); 97182232be0dSLalit Chandivade return rval; 97192232be0dSLalit Chandivade } 97202232be0dSLalit Chandivade 97212232be0dSLalit Chandivade static pci_ers_result_t 97222232be0dSLalit Chandivade qla4xxx_pci_slot_reset(struct pci_dev *pdev) 97232232be0dSLalit Chandivade { 97242232be0dSLalit Chandivade pci_ers_result_t ret = PCI_ERS_RESULT_DISCONNECT; 97252232be0dSLalit Chandivade struct scsi_qla_host *ha = pci_get_drvdata(pdev); 97262232be0dSLalit Chandivade int rc; 97272232be0dSLalit Chandivade 97282232be0dSLalit Chandivade ql4_printk(KERN_WARNING, ha, "scsi%ld: %s: slot_reset\n", 97292232be0dSLalit Chandivade ha->host_no, __func__); 97302232be0dSLalit Chandivade 97312232be0dSLalit Chandivade if (!is_aer_supported(ha)) 97322232be0dSLalit Chandivade return PCI_ERS_RESULT_NONE; 97332232be0dSLalit Chandivade 97342232be0dSLalit Chandivade /* Restore the saved state of PCIe device - 97352232be0dSLalit Chandivade * BAR registers, PCI Config space, PCIX, MSI, 97362232be0dSLalit Chandivade * IOV states 97372232be0dSLalit Chandivade */ 97382232be0dSLalit Chandivade pci_restore_state(pdev); 97392232be0dSLalit Chandivade 97402232be0dSLalit Chandivade /* pci_restore_state() clears the saved_state flag of the device 97412232be0dSLalit Chandivade * save restored state which resets saved_state flag 97422232be0dSLalit Chandivade */ 97432232be0dSLalit Chandivade pci_save_state(pdev); 97442232be0dSLalit Chandivade 97452232be0dSLalit Chandivade /* Initialize device or resume if in suspended state */ 97462232be0dSLalit Chandivade rc = pci_enable_device(pdev); 97472232be0dSLalit Chandivade if (rc) { 974825985edcSLucas De Marchi ql4_printk(KERN_WARNING, ha, "scsi%ld: %s: Can't re-enable " 97492232be0dSLalit Chandivade "device after reset\n", ha->host_no, __func__); 97502232be0dSLalit Chandivade goto exit_slot_reset; 97512232be0dSLalit Chandivade } 97522232be0dSLalit Chandivade 97537b3595dfSVikas Chaudhary ha->isp_ops->disable_intrs(ha); 97542232be0dSLalit Chandivade 97556e7b4292SVikas Chaudhary if (is_qla80XX(ha)) { 97562232be0dSLalit Chandivade if (qla4_8xxx_error_recovery(ha) == QLA_SUCCESS) { 97572232be0dSLalit Chandivade ret = PCI_ERS_RESULT_RECOVERED; 97582232be0dSLalit Chandivade goto exit_slot_reset; 97592232be0dSLalit Chandivade } else 97602232be0dSLalit Chandivade goto exit_slot_reset; 97612232be0dSLalit Chandivade } 97622232be0dSLalit Chandivade 97632232be0dSLalit Chandivade exit_slot_reset: 97642232be0dSLalit Chandivade ql4_printk(KERN_WARNING, ha, "scsi%ld: %s: Return=%x\n" 97652232be0dSLalit Chandivade "device after reset\n", ha->host_no, __func__, ret); 97662232be0dSLalit Chandivade return ret; 97672232be0dSLalit Chandivade } 97682232be0dSLalit Chandivade 97692232be0dSLalit Chandivade static void 97702232be0dSLalit Chandivade qla4xxx_pci_resume(struct pci_dev *pdev) 97712232be0dSLalit Chandivade { 97722232be0dSLalit Chandivade struct scsi_qla_host *ha = pci_get_drvdata(pdev); 97732232be0dSLalit Chandivade int ret; 97742232be0dSLalit Chandivade 97752232be0dSLalit Chandivade ql4_printk(KERN_WARNING, ha, "scsi%ld: %s: pci_resume\n", 97762232be0dSLalit Chandivade ha->host_no, __func__); 97772232be0dSLalit Chandivade 97782232be0dSLalit Chandivade ret = qla4xxx_wait_for_hba_online(ha); 97792232be0dSLalit Chandivade if (ret != QLA_SUCCESS) { 97802232be0dSLalit Chandivade ql4_printk(KERN_ERR, ha, "scsi%ld: %s: the device failed to " 97812232be0dSLalit Chandivade "resume I/O from slot/link_reset\n", ha->host_no, 97822232be0dSLalit Chandivade __func__); 97832232be0dSLalit Chandivade } 97842232be0dSLalit Chandivade 97852232be0dSLalit Chandivade pci_cleanup_aer_uncorrect_error_status(pdev); 97862232be0dSLalit Chandivade clear_bit(AF_EEH_BUSY, &ha->flags); 97872232be0dSLalit Chandivade } 97882232be0dSLalit Chandivade 9789a55b2d21SStephen Hemminger static const struct pci_error_handlers qla4xxx_err_handler = { 97902232be0dSLalit Chandivade .error_detected = qla4xxx_pci_error_detected, 97912232be0dSLalit Chandivade .mmio_enabled = qla4xxx_pci_mmio_enabled, 97922232be0dSLalit Chandivade .slot_reset = qla4xxx_pci_slot_reset, 97932232be0dSLalit Chandivade .resume = qla4xxx_pci_resume, 97942232be0dSLalit Chandivade }; 97952232be0dSLalit Chandivade 9796afaf5a2dSDavid Somayajulu static struct pci_device_id qla4xxx_pci_tbl[] = { 9797afaf5a2dSDavid Somayajulu { 9798afaf5a2dSDavid Somayajulu .vendor = PCI_VENDOR_ID_QLOGIC, 9799afaf5a2dSDavid Somayajulu .device = PCI_DEVICE_ID_QLOGIC_ISP4010, 9800afaf5a2dSDavid Somayajulu .subvendor = PCI_ANY_ID, 9801afaf5a2dSDavid Somayajulu .subdevice = PCI_ANY_ID, 9802afaf5a2dSDavid Somayajulu }, 9803afaf5a2dSDavid Somayajulu { 9804afaf5a2dSDavid Somayajulu .vendor = PCI_VENDOR_ID_QLOGIC, 9805afaf5a2dSDavid Somayajulu .device = PCI_DEVICE_ID_QLOGIC_ISP4022, 9806afaf5a2dSDavid Somayajulu .subvendor = PCI_ANY_ID, 9807afaf5a2dSDavid Somayajulu .subdevice = PCI_ANY_ID, 9808afaf5a2dSDavid Somayajulu }, 9809d915058fSDavid C Somayajulu { 9810d915058fSDavid C Somayajulu .vendor = PCI_VENDOR_ID_QLOGIC, 9811d915058fSDavid C Somayajulu .device = PCI_DEVICE_ID_QLOGIC_ISP4032, 9812d915058fSDavid C Somayajulu .subvendor = PCI_ANY_ID, 9813d915058fSDavid C Somayajulu .subdevice = PCI_ANY_ID, 9814d915058fSDavid C Somayajulu }, 9815f4f5df23SVikas Chaudhary { 9816f4f5df23SVikas Chaudhary .vendor = PCI_VENDOR_ID_QLOGIC, 9817f4f5df23SVikas Chaudhary .device = PCI_DEVICE_ID_QLOGIC_ISP8022, 9818f4f5df23SVikas Chaudhary .subvendor = PCI_ANY_ID, 9819f4f5df23SVikas Chaudhary .subdevice = PCI_ANY_ID, 9820f4f5df23SVikas Chaudhary }, 98216e7b4292SVikas Chaudhary { 98226e7b4292SVikas Chaudhary .vendor = PCI_VENDOR_ID_QLOGIC, 98236e7b4292SVikas Chaudhary .device = PCI_DEVICE_ID_QLOGIC_ISP8324, 98246e7b4292SVikas Chaudhary .subvendor = PCI_ANY_ID, 98256e7b4292SVikas Chaudhary .subdevice = PCI_ANY_ID, 98266e7b4292SVikas Chaudhary }, 9827b37ca418SVikas Chaudhary { 9828b37ca418SVikas Chaudhary .vendor = PCI_VENDOR_ID_QLOGIC, 9829b37ca418SVikas Chaudhary .device = PCI_DEVICE_ID_QLOGIC_ISP8042, 9830b37ca418SVikas Chaudhary .subvendor = PCI_ANY_ID, 9831b37ca418SVikas Chaudhary .subdevice = PCI_ANY_ID, 9832b37ca418SVikas Chaudhary }, 9833afaf5a2dSDavid Somayajulu {0, 0}, 9834afaf5a2dSDavid Somayajulu }; 9835afaf5a2dSDavid Somayajulu MODULE_DEVICE_TABLE(pci, qla4xxx_pci_tbl); 9836afaf5a2dSDavid Somayajulu 983747975477SAdrian Bunk static struct pci_driver qla4xxx_pci_driver = { 9838afaf5a2dSDavid Somayajulu .name = DRIVER_NAME, 9839afaf5a2dSDavid Somayajulu .id_table = qla4xxx_pci_tbl, 9840afaf5a2dSDavid Somayajulu .probe = qla4xxx_probe_adapter, 9841afaf5a2dSDavid Somayajulu .remove = qla4xxx_remove_adapter, 98422232be0dSLalit Chandivade .err_handler = &qla4xxx_err_handler, 9843afaf5a2dSDavid Somayajulu }; 9844afaf5a2dSDavid Somayajulu 9845afaf5a2dSDavid Somayajulu static int __init qla4xxx_module_init(void) 9846afaf5a2dSDavid Somayajulu { 9847afaf5a2dSDavid Somayajulu int ret; 9848afaf5a2dSDavid Somayajulu 9849c40ecc12SChristoph Hellwig if (ql4xqfulltracking) 9850c40ecc12SChristoph Hellwig qla4xxx_driver_template.track_queue_depth = 1; 9851c40ecc12SChristoph Hellwig 9852afaf5a2dSDavid Somayajulu /* Allocate cache for SRBs. */ 9853afaf5a2dSDavid Somayajulu srb_cachep = kmem_cache_create("qla4xxx_srbs", sizeof(struct srb), 0, 985420c2df83SPaul Mundt SLAB_HWCACHE_ALIGN, NULL); 9855afaf5a2dSDavid Somayajulu if (srb_cachep == NULL) { 9856afaf5a2dSDavid Somayajulu printk(KERN_ERR 9857afaf5a2dSDavid Somayajulu "%s: Unable to allocate SRB cache..." 9858afaf5a2dSDavid Somayajulu "Failing load!\n", DRIVER_NAME); 9859afaf5a2dSDavid Somayajulu ret = -ENOMEM; 9860afaf5a2dSDavid Somayajulu goto no_srp_cache; 9861afaf5a2dSDavid Somayajulu } 9862afaf5a2dSDavid Somayajulu 9863afaf5a2dSDavid Somayajulu /* Derive version string. */ 9864afaf5a2dSDavid Somayajulu strcpy(qla4xxx_version_str, QLA4XXX_DRIVER_VERSION); 986511010fecSAndrew Vasquez if (ql4xextended_error_logging) 9866afaf5a2dSDavid Somayajulu strcat(qla4xxx_version_str, "-debug"); 9867afaf5a2dSDavid Somayajulu 9868afaf5a2dSDavid Somayajulu qla4xxx_scsi_transport = 9869afaf5a2dSDavid Somayajulu iscsi_register_transport(&qla4xxx_iscsi_transport); 9870afaf5a2dSDavid Somayajulu if (!qla4xxx_scsi_transport){ 9871afaf5a2dSDavid Somayajulu ret = -ENODEV; 9872afaf5a2dSDavid Somayajulu goto release_srb_cache; 9873afaf5a2dSDavid Somayajulu } 9874afaf5a2dSDavid Somayajulu 9875afaf5a2dSDavid Somayajulu ret = pci_register_driver(&qla4xxx_pci_driver); 9876afaf5a2dSDavid Somayajulu if (ret) 9877afaf5a2dSDavid Somayajulu goto unregister_transport; 9878afaf5a2dSDavid Somayajulu 9879afaf5a2dSDavid Somayajulu printk(KERN_INFO "QLogic iSCSI HBA Driver\n"); 9880afaf5a2dSDavid Somayajulu return 0; 98815ae16db3SDoug Maxey 9882afaf5a2dSDavid Somayajulu unregister_transport: 9883afaf5a2dSDavid Somayajulu iscsi_unregister_transport(&qla4xxx_iscsi_transport); 9884afaf5a2dSDavid Somayajulu release_srb_cache: 9885afaf5a2dSDavid Somayajulu kmem_cache_destroy(srb_cachep); 9886afaf5a2dSDavid Somayajulu no_srp_cache: 9887afaf5a2dSDavid Somayajulu return ret; 9888afaf5a2dSDavid Somayajulu } 9889afaf5a2dSDavid Somayajulu 9890afaf5a2dSDavid Somayajulu static void __exit qla4xxx_module_exit(void) 9891afaf5a2dSDavid Somayajulu { 9892afaf5a2dSDavid Somayajulu pci_unregister_driver(&qla4xxx_pci_driver); 9893afaf5a2dSDavid Somayajulu iscsi_unregister_transport(&qla4xxx_iscsi_transport); 9894afaf5a2dSDavid Somayajulu kmem_cache_destroy(srb_cachep); 9895afaf5a2dSDavid Somayajulu } 9896afaf5a2dSDavid Somayajulu 9897afaf5a2dSDavid Somayajulu module_init(qla4xxx_module_init); 9898afaf5a2dSDavid Somayajulu module_exit(qla4xxx_module_exit); 9899afaf5a2dSDavid Somayajulu 9900afaf5a2dSDavid Somayajulu MODULE_AUTHOR("QLogic Corporation"); 9901afaf5a2dSDavid Somayajulu MODULE_DESCRIPTION("QLogic iSCSI HBA Driver"); 9902afaf5a2dSDavid Somayajulu MODULE_LICENSE("GPL"); 9903afaf5a2dSDavid Somayajulu MODULE_VERSION(QLA4XXX_DRIVER_VERSION); 9904