1afaf5a2dSDavid Somayajulu /* 2afaf5a2dSDavid Somayajulu * QLogic iSCSI HBA Driver 3c68cdbf0SVikas Chaudhary * Copyright (c) 2003-2012 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 86068237c8STej Parkash int ql4xmdcapmask = 0x1F; 87068237c8STej Parkash module_param(ql4xmdcapmask, int, S_IRUGO); 88068237c8STej Parkash MODULE_PARM_DESC(ql4xmdcapmask, 89068237c8STej Parkash " Set the Minidump driver capture mask level.\n" 90068237c8STej Parkash "\t\t Default is 0x1F.\n" 91068237c8STej Parkash "\t\t Can be set to 0x3, 0x7, 0xF, 0x1F, 0x3F, 0x7F"); 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); 152c0b9d3f7SVikas Chaudhary 153afaf5a2dSDavid Somayajulu /* 154afaf5a2dSDavid Somayajulu * SCSI host template entry points 155afaf5a2dSDavid Somayajulu */ 156f281233dSJeff Garzik static int qla4xxx_queuecommand(struct Scsi_Host *h, struct scsi_cmnd *cmd); 15709a0f719SVikas Chaudhary static int qla4xxx_eh_abort(struct scsi_cmnd *cmd); 158afaf5a2dSDavid Somayajulu static int qla4xxx_eh_device_reset(struct scsi_cmnd *cmd); 159ce545039SMike Christie static int qla4xxx_eh_target_reset(struct scsi_cmnd *cmd); 160afaf5a2dSDavid Somayajulu static int qla4xxx_eh_host_reset(struct scsi_cmnd *cmd); 161afaf5a2dSDavid Somayajulu static int qla4xxx_slave_alloc(struct scsi_device *device); 162afaf5a2dSDavid Somayajulu static int qla4xxx_slave_configure(struct scsi_device *device); 163afaf5a2dSDavid Somayajulu static void qla4xxx_slave_destroy(struct scsi_device *sdev); 1645e9bcec7SVikas Chaudhary static umode_t qla4_attr_is_visible(int param_type, int param); 16595d31262SVikas Chaudhary static int qla4xxx_host_reset(struct Scsi_Host *shost, int reset_type); 166f7b4aa63STej Parkash static int qla4xxx_change_queue_depth(struct scsi_device *sdev, int qdepth, 167f7b4aa63STej Parkash int reason); 168afaf5a2dSDavid Somayajulu 1691e9e2be3SAdheer Chandravanshi /* 1701e9e2be3SAdheer Chandravanshi * iSCSI Flash DDB sysfs entry points 1711e9e2be3SAdheer Chandravanshi */ 1721e9e2be3SAdheer Chandravanshi static int 1731e9e2be3SAdheer Chandravanshi qla4xxx_sysfs_ddb_set_param(struct iscsi_bus_flash_session *fnode_sess, 1741e9e2be3SAdheer Chandravanshi struct iscsi_bus_flash_conn *fnode_conn, 1751e9e2be3SAdheer Chandravanshi void *data, int len); 1761e9e2be3SAdheer Chandravanshi static int 1771e9e2be3SAdheer Chandravanshi qla4xxx_sysfs_ddb_get_param(struct iscsi_bus_flash_session *fnode_sess, 1781e9e2be3SAdheer Chandravanshi int param, char *buf); 1791e9e2be3SAdheer Chandravanshi static int qla4xxx_sysfs_ddb_add(struct Scsi_Host *shost, const char *buf, 1801e9e2be3SAdheer Chandravanshi int len); 1811e9e2be3SAdheer Chandravanshi static int 1821e9e2be3SAdheer Chandravanshi qla4xxx_sysfs_ddb_delete(struct iscsi_bus_flash_session *fnode_sess); 1831e9e2be3SAdheer Chandravanshi static int qla4xxx_sysfs_ddb_login(struct iscsi_bus_flash_session *fnode_sess, 1841e9e2be3SAdheer Chandravanshi struct iscsi_bus_flash_conn *fnode_conn); 1851e9e2be3SAdheer Chandravanshi static int qla4xxx_sysfs_ddb_logout(struct iscsi_bus_flash_session *fnode_sess, 1861e9e2be3SAdheer Chandravanshi struct iscsi_bus_flash_conn *fnode_conn); 1871e9e2be3SAdheer Chandravanshi static int qla4xxx_sysfs_ddb_logout_sid(struct iscsi_cls_session *cls_sess); 1881e9e2be3SAdheer Chandravanshi 189f4f5df23SVikas Chaudhary static struct qla4_8xxx_legacy_intr_set legacy_intr[] = 190f4f5df23SVikas Chaudhary QLA82XX_LEGACY_INTR_CONFIG; 191f4f5df23SVikas Chaudhary 192afaf5a2dSDavid Somayajulu static struct scsi_host_template qla4xxx_driver_template = { 193afaf5a2dSDavid Somayajulu .module = THIS_MODULE, 194afaf5a2dSDavid Somayajulu .name = DRIVER_NAME, 195afaf5a2dSDavid Somayajulu .proc_name = DRIVER_NAME, 196afaf5a2dSDavid Somayajulu .queuecommand = qla4xxx_queuecommand, 197afaf5a2dSDavid Somayajulu 19809a0f719SVikas Chaudhary .eh_abort_handler = qla4xxx_eh_abort, 199afaf5a2dSDavid Somayajulu .eh_device_reset_handler = qla4xxx_eh_device_reset, 200ce545039SMike Christie .eh_target_reset_handler = qla4xxx_eh_target_reset, 201afaf5a2dSDavid Somayajulu .eh_host_reset_handler = qla4xxx_eh_host_reset, 2025c656af7SMike Christie .eh_timed_out = qla4xxx_eh_cmd_timed_out, 203afaf5a2dSDavid Somayajulu 204afaf5a2dSDavid Somayajulu .slave_configure = qla4xxx_slave_configure, 205afaf5a2dSDavid Somayajulu .slave_alloc = qla4xxx_slave_alloc, 206afaf5a2dSDavid Somayajulu .slave_destroy = qla4xxx_slave_destroy, 207f7b4aa63STej Parkash .change_queue_depth = qla4xxx_change_queue_depth, 208afaf5a2dSDavid Somayajulu 209afaf5a2dSDavid Somayajulu .this_id = -1, 210afaf5a2dSDavid Somayajulu .cmd_per_lun = 3, 211afaf5a2dSDavid Somayajulu .use_clustering = ENABLE_CLUSTERING, 212afaf5a2dSDavid Somayajulu .sg_tablesize = SG_ALL, 213afaf5a2dSDavid Somayajulu 214afaf5a2dSDavid Somayajulu .max_sectors = 0xFFFF, 2157ad633c0SHarish Zunjarrao .shost_attrs = qla4xxx_host_attrs, 21695d31262SVikas Chaudhary .host_reset = qla4xxx_host_reset, 217a355943cSVikas Chaudhary .vendor_id = SCSI_NL_VID_TYPE_PCI | PCI_VENDOR_ID_QLOGIC, 218afaf5a2dSDavid Somayajulu }; 219afaf5a2dSDavid Somayajulu 220afaf5a2dSDavid Somayajulu static struct iscsi_transport qla4xxx_iscsi_transport = { 221afaf5a2dSDavid Somayajulu .owner = THIS_MODULE, 222afaf5a2dSDavid Somayajulu .name = DRIVER_NAME, 223b3a271a9SManish Rangankar .caps = CAP_TEXT_NEGO | 224b3a271a9SManish Rangankar CAP_DATA_PATH_OFFLOAD | CAP_HDRDGST | 225b3a271a9SManish Rangankar CAP_DATADGST | CAP_LOGIN_OFFLOAD | 226b3a271a9SManish Rangankar CAP_MULTI_R2T, 2275e9bcec7SVikas Chaudhary .attr_is_visible = qla4_attr_is_visible, 228b3a271a9SManish Rangankar .create_session = qla4xxx_session_create, 229b3a271a9SManish Rangankar .destroy_session = qla4xxx_session_destroy, 230b3a271a9SManish Rangankar .start_conn = qla4xxx_conn_start, 231b3a271a9SManish Rangankar .create_conn = qla4xxx_conn_create, 232b3a271a9SManish Rangankar .bind_conn = qla4xxx_conn_bind, 233b3a271a9SManish Rangankar .stop_conn = iscsi_conn_stop, 234b3a271a9SManish Rangankar .destroy_conn = qla4xxx_conn_destroy, 235b3a271a9SManish Rangankar .set_param = iscsi_set_param, 236afaf5a2dSDavid Somayajulu .get_conn_param = qla4xxx_conn_get_param, 237fca9f04dSMike Christie .get_session_param = qla4xxx_session_get_param, 238b3a271a9SManish Rangankar .get_ep_param = qla4xxx_get_ep_param, 239b3a271a9SManish Rangankar .ep_connect = qla4xxx_ep_connect, 240b3a271a9SManish Rangankar .ep_poll = qla4xxx_ep_poll, 241b3a271a9SManish Rangankar .ep_disconnect = qla4xxx_ep_disconnect, 242b3a271a9SManish Rangankar .get_stats = qla4xxx_conn_get_stats, 243b3a271a9SManish Rangankar .send_pdu = iscsi_conn_send_pdu, 244b3a271a9SManish Rangankar .xmit_task = qla4xxx_task_xmit, 245b3a271a9SManish Rangankar .cleanup_task = qla4xxx_task_cleanup, 246b3a271a9SManish Rangankar .alloc_pdu = qla4xxx_alloc_pdu, 247b3a271a9SManish Rangankar 248aa1e93a2SMike Christie .get_host_param = qla4xxx_host_get_param, 249d00efe3fSMike Christie .set_iface_param = qla4xxx_iface_set_param, 250ed1086e0SVikas Chaudhary .get_iface_param = qla4xxx_get_iface_param, 251a355943cSVikas Chaudhary .bsg_request = qla4xxx_bsg_request, 252c0b9d3f7SVikas Chaudhary .send_ping = qla4xxx_send_ping, 253376738afSNilesh Javali .get_chap = qla4xxx_get_chap_list, 254376738afSNilesh Javali .delete_chap = qla4xxx_delete_chap, 2551e9e2be3SAdheer Chandravanshi .get_flashnode_param = qla4xxx_sysfs_ddb_get_param, 2561e9e2be3SAdheer Chandravanshi .set_flashnode_param = qla4xxx_sysfs_ddb_set_param, 2571e9e2be3SAdheer Chandravanshi .new_flashnode = qla4xxx_sysfs_ddb_add, 2581e9e2be3SAdheer Chandravanshi .del_flashnode = qla4xxx_sysfs_ddb_delete, 2591e9e2be3SAdheer Chandravanshi .login_flashnode = qla4xxx_sysfs_ddb_login, 2601e9e2be3SAdheer Chandravanshi .logout_flashnode = qla4xxx_sysfs_ddb_logout, 2611e9e2be3SAdheer Chandravanshi .logout_flashnode_sid = qla4xxx_sysfs_ddb_logout_sid, 262afaf5a2dSDavid Somayajulu }; 263afaf5a2dSDavid Somayajulu 264afaf5a2dSDavid Somayajulu static struct scsi_transport_template *qla4xxx_scsi_transport; 265afaf5a2dSDavid Somayajulu 266c0b9d3f7SVikas Chaudhary static int qla4xxx_send_ping(struct Scsi_Host *shost, uint32_t iface_num, 267c0b9d3f7SVikas Chaudhary uint32_t iface_type, uint32_t payload_size, 268c0b9d3f7SVikas Chaudhary uint32_t pid, struct sockaddr *dst_addr) 269c0b9d3f7SVikas Chaudhary { 270c0b9d3f7SVikas Chaudhary struct scsi_qla_host *ha = to_qla_host(shost); 271c0b9d3f7SVikas Chaudhary struct sockaddr_in *addr; 272c0b9d3f7SVikas Chaudhary struct sockaddr_in6 *addr6; 273c0b9d3f7SVikas Chaudhary uint32_t options = 0; 274c0b9d3f7SVikas Chaudhary uint8_t ipaddr[IPv6_ADDR_LEN]; 275c0b9d3f7SVikas Chaudhary int rval; 276c0b9d3f7SVikas Chaudhary 277c0b9d3f7SVikas Chaudhary memset(ipaddr, 0, IPv6_ADDR_LEN); 278c0b9d3f7SVikas Chaudhary /* IPv4 to IPv4 */ 279c0b9d3f7SVikas Chaudhary if ((iface_type == ISCSI_IFACE_TYPE_IPV4) && 280c0b9d3f7SVikas Chaudhary (dst_addr->sa_family == AF_INET)) { 281c0b9d3f7SVikas Chaudhary addr = (struct sockaddr_in *)dst_addr; 282c0b9d3f7SVikas Chaudhary memcpy(ipaddr, &addr->sin_addr.s_addr, IP_ADDR_LEN); 283c0b9d3f7SVikas Chaudhary DEBUG2(ql4_printk(KERN_INFO, ha, "%s: IPv4 Ping src: %pI4 " 284c0b9d3f7SVikas Chaudhary "dest: %pI4\n", __func__, 285c0b9d3f7SVikas Chaudhary &ha->ip_config.ip_address, ipaddr)); 286c0b9d3f7SVikas Chaudhary rval = qla4xxx_ping_iocb(ha, options, payload_size, pid, 287c0b9d3f7SVikas Chaudhary ipaddr); 288c0b9d3f7SVikas Chaudhary if (rval) 289c0b9d3f7SVikas Chaudhary rval = -EINVAL; 290c0b9d3f7SVikas Chaudhary } else if ((iface_type == ISCSI_IFACE_TYPE_IPV6) && 291c0b9d3f7SVikas Chaudhary (dst_addr->sa_family == AF_INET6)) { 292c0b9d3f7SVikas Chaudhary /* IPv6 to IPv6 */ 293c0b9d3f7SVikas Chaudhary addr6 = (struct sockaddr_in6 *)dst_addr; 294c0b9d3f7SVikas Chaudhary memcpy(ipaddr, &addr6->sin6_addr.in6_u.u6_addr8, IPv6_ADDR_LEN); 295c0b9d3f7SVikas Chaudhary 296c0b9d3f7SVikas Chaudhary options |= PING_IPV6_PROTOCOL_ENABLE; 297c0b9d3f7SVikas Chaudhary 298c0b9d3f7SVikas Chaudhary /* Ping using LinkLocal address */ 299c0b9d3f7SVikas Chaudhary if ((iface_num == 0) || (iface_num == 1)) { 300c0b9d3f7SVikas Chaudhary DEBUG2(ql4_printk(KERN_INFO, ha, "%s: LinkLocal Ping " 301c0b9d3f7SVikas Chaudhary "src: %pI6 dest: %pI6\n", __func__, 302c0b9d3f7SVikas Chaudhary &ha->ip_config.ipv6_link_local_addr, 303c0b9d3f7SVikas Chaudhary ipaddr)); 304c0b9d3f7SVikas Chaudhary options |= PING_IPV6_LINKLOCAL_ADDR; 305c0b9d3f7SVikas Chaudhary rval = qla4xxx_ping_iocb(ha, options, payload_size, 306c0b9d3f7SVikas Chaudhary pid, ipaddr); 307c0b9d3f7SVikas Chaudhary } else { 308c0b9d3f7SVikas Chaudhary ql4_printk(KERN_WARNING, ha, "%s: iface num = %d " 309c0b9d3f7SVikas Chaudhary "not supported\n", __func__, iface_num); 310c0b9d3f7SVikas Chaudhary rval = -ENOSYS; 311c0b9d3f7SVikas Chaudhary goto exit_send_ping; 312c0b9d3f7SVikas Chaudhary } 313c0b9d3f7SVikas Chaudhary 314c0b9d3f7SVikas Chaudhary /* 315c0b9d3f7SVikas Chaudhary * If ping using LinkLocal address fails, try ping using 316c0b9d3f7SVikas Chaudhary * IPv6 address 317c0b9d3f7SVikas Chaudhary */ 318c0b9d3f7SVikas Chaudhary if (rval != QLA_SUCCESS) { 319c0b9d3f7SVikas Chaudhary options &= ~PING_IPV6_LINKLOCAL_ADDR; 320c0b9d3f7SVikas Chaudhary if (iface_num == 0) { 321c0b9d3f7SVikas Chaudhary options |= PING_IPV6_ADDR0; 322c0b9d3f7SVikas Chaudhary DEBUG2(ql4_printk(KERN_INFO, ha, "%s: IPv6 " 323c0b9d3f7SVikas Chaudhary "Ping src: %pI6 " 324c0b9d3f7SVikas Chaudhary "dest: %pI6\n", __func__, 325c0b9d3f7SVikas Chaudhary &ha->ip_config.ipv6_addr0, 326c0b9d3f7SVikas Chaudhary ipaddr)); 327c0b9d3f7SVikas Chaudhary } else if (iface_num == 1) { 328c0b9d3f7SVikas Chaudhary options |= PING_IPV6_ADDR1; 329c0b9d3f7SVikas Chaudhary DEBUG2(ql4_printk(KERN_INFO, ha, "%s: IPv6 " 330c0b9d3f7SVikas Chaudhary "Ping src: %pI6 " 331c0b9d3f7SVikas Chaudhary "dest: %pI6\n", __func__, 332c0b9d3f7SVikas Chaudhary &ha->ip_config.ipv6_addr1, 333c0b9d3f7SVikas Chaudhary ipaddr)); 334c0b9d3f7SVikas Chaudhary } 335c0b9d3f7SVikas Chaudhary rval = qla4xxx_ping_iocb(ha, options, payload_size, 336c0b9d3f7SVikas Chaudhary pid, ipaddr); 337c0b9d3f7SVikas Chaudhary if (rval) 338c0b9d3f7SVikas Chaudhary rval = -EINVAL; 339c0b9d3f7SVikas Chaudhary } 340c0b9d3f7SVikas Chaudhary } else 341c0b9d3f7SVikas Chaudhary rval = -ENOSYS; 342c0b9d3f7SVikas Chaudhary exit_send_ping: 343c0b9d3f7SVikas Chaudhary return rval; 344c0b9d3f7SVikas Chaudhary } 345c0b9d3f7SVikas Chaudhary 3465e9bcec7SVikas Chaudhary static umode_t qla4_attr_is_visible(int param_type, int param) 3473128c6c7SMike Christie { 3483128c6c7SMike Christie switch (param_type) { 349f27fb2efSMike Christie case ISCSI_HOST_PARAM: 350f27fb2efSMike Christie switch (param) { 351f27fb2efSMike Christie case ISCSI_HOST_PARAM_HWADDRESS: 352f27fb2efSMike Christie case ISCSI_HOST_PARAM_IPADDRESS: 353f27fb2efSMike Christie case ISCSI_HOST_PARAM_INITIATOR_NAME: 3543254dbe9SVikas Chaudhary case ISCSI_HOST_PARAM_PORT_STATE: 3553254dbe9SVikas Chaudhary case ISCSI_HOST_PARAM_PORT_SPEED: 356f27fb2efSMike Christie return S_IRUGO; 357f27fb2efSMike Christie default: 358f27fb2efSMike Christie return 0; 359f27fb2efSMike Christie } 3603128c6c7SMike Christie case ISCSI_PARAM: 3613128c6c7SMike Christie switch (param) { 362590134faSMike Christie case ISCSI_PARAM_PERSISTENT_ADDRESS: 363590134faSMike Christie case ISCSI_PARAM_PERSISTENT_PORT: 3643128c6c7SMike Christie case ISCSI_PARAM_CONN_ADDRESS: 3653128c6c7SMike Christie case ISCSI_PARAM_CONN_PORT: 3661d063c17SMike Christie case ISCSI_PARAM_TARGET_NAME: 3671d063c17SMike Christie case ISCSI_PARAM_TPGT: 3681d063c17SMike Christie case ISCSI_PARAM_TARGET_ALIAS: 369b3a271a9SManish Rangankar case ISCSI_PARAM_MAX_BURST: 370b3a271a9SManish Rangankar case ISCSI_PARAM_MAX_R2T: 371b3a271a9SManish Rangankar case ISCSI_PARAM_FIRST_BURST: 372b3a271a9SManish Rangankar case ISCSI_PARAM_MAX_RECV_DLENGTH: 373b3a271a9SManish Rangankar case ISCSI_PARAM_MAX_XMIT_DLENGTH: 374de37920bSMike Christie case ISCSI_PARAM_IFACE_NAME: 375fca9f04dSMike Christie case ISCSI_PARAM_CHAP_OUT_IDX: 376fca9f04dSMike Christie case ISCSI_PARAM_CHAP_IN_IDX: 377fca9f04dSMike Christie case ISCSI_PARAM_USERNAME: 378fca9f04dSMike Christie case ISCSI_PARAM_PASSWORD: 379fca9f04dSMike Christie case ISCSI_PARAM_USERNAME_IN: 380fca9f04dSMike Christie case ISCSI_PARAM_PASSWORD_IN: 3813128c6c7SMike Christie return S_IRUGO; 3823128c6c7SMike Christie default: 3833128c6c7SMike Christie return 0; 3843128c6c7SMike Christie } 385b78dbba0SMike Christie case ISCSI_NET_PARAM: 386b78dbba0SMike Christie switch (param) { 387b78dbba0SMike Christie case ISCSI_NET_PARAM_IPV4_ADDR: 388b78dbba0SMike Christie case ISCSI_NET_PARAM_IPV4_SUBNET: 389b78dbba0SMike Christie case ISCSI_NET_PARAM_IPV4_GW: 390b78dbba0SMike Christie case ISCSI_NET_PARAM_IPV4_BOOTPROTO: 391b78dbba0SMike Christie case ISCSI_NET_PARAM_IFACE_ENABLE: 392b78dbba0SMike Christie case ISCSI_NET_PARAM_IPV6_LINKLOCAL: 393b78dbba0SMike Christie case ISCSI_NET_PARAM_IPV6_ADDR: 394b78dbba0SMike Christie case ISCSI_NET_PARAM_IPV6_ROUTER: 395b78dbba0SMike Christie case ISCSI_NET_PARAM_IPV6_ADDR_AUTOCFG: 396b78dbba0SMike Christie case ISCSI_NET_PARAM_IPV6_LINKLOCAL_AUTOCFG: 3976ac73e8cSVikas Chaudhary case ISCSI_NET_PARAM_VLAN_ID: 3986ac73e8cSVikas Chaudhary case ISCSI_NET_PARAM_VLAN_PRIORITY: 3996ac73e8cSVikas Chaudhary case ISCSI_NET_PARAM_VLAN_ENABLED: 400943c157bSVikas Chaudhary case ISCSI_NET_PARAM_MTU: 4012ada7fc5SVikas Chaudhary case ISCSI_NET_PARAM_PORT: 402b78dbba0SMike Christie return S_IRUGO; 403b78dbba0SMike Christie default: 404b78dbba0SMike Christie return 0; 405b78dbba0SMike Christie } 4061e9e2be3SAdheer Chandravanshi case ISCSI_FLASHNODE_PARAM: 4071e9e2be3SAdheer Chandravanshi switch (param) { 4081e9e2be3SAdheer Chandravanshi case ISCSI_FLASHNODE_IS_FW_ASSIGNED_IPV6: 4091e9e2be3SAdheer Chandravanshi case ISCSI_FLASHNODE_PORTAL_TYPE: 4101e9e2be3SAdheer Chandravanshi case ISCSI_FLASHNODE_AUTO_SND_TGT_DISABLE: 4111e9e2be3SAdheer Chandravanshi case ISCSI_FLASHNODE_DISCOVERY_SESS: 4121e9e2be3SAdheer Chandravanshi case ISCSI_FLASHNODE_ENTRY_EN: 4131e9e2be3SAdheer Chandravanshi case ISCSI_FLASHNODE_HDR_DGST_EN: 4141e9e2be3SAdheer Chandravanshi case ISCSI_FLASHNODE_DATA_DGST_EN: 4151e9e2be3SAdheer Chandravanshi case ISCSI_FLASHNODE_IMM_DATA_EN: 4161e9e2be3SAdheer Chandravanshi case ISCSI_FLASHNODE_INITIAL_R2T_EN: 4171e9e2be3SAdheer Chandravanshi case ISCSI_FLASHNODE_DATASEQ_INORDER: 4181e9e2be3SAdheer Chandravanshi case ISCSI_FLASHNODE_PDU_INORDER: 4191e9e2be3SAdheer Chandravanshi case ISCSI_FLASHNODE_CHAP_AUTH_EN: 4201e9e2be3SAdheer Chandravanshi case ISCSI_FLASHNODE_SNACK_REQ_EN: 4211e9e2be3SAdheer Chandravanshi case ISCSI_FLASHNODE_DISCOVERY_LOGOUT_EN: 4221e9e2be3SAdheer Chandravanshi case ISCSI_FLASHNODE_BIDI_CHAP_EN: 4231e9e2be3SAdheer Chandravanshi case ISCSI_FLASHNODE_DISCOVERY_AUTH_OPTIONAL: 4241e9e2be3SAdheer Chandravanshi case ISCSI_FLASHNODE_ERL: 4251e9e2be3SAdheer Chandravanshi case ISCSI_FLASHNODE_TCP_TIMESTAMP_STAT: 4261e9e2be3SAdheer Chandravanshi case ISCSI_FLASHNODE_TCP_NAGLE_DISABLE: 4271e9e2be3SAdheer Chandravanshi case ISCSI_FLASHNODE_TCP_WSF_DISABLE: 4281e9e2be3SAdheer Chandravanshi case ISCSI_FLASHNODE_TCP_TIMER_SCALE: 4291e9e2be3SAdheer Chandravanshi case ISCSI_FLASHNODE_TCP_TIMESTAMP_EN: 4301e9e2be3SAdheer Chandravanshi case ISCSI_FLASHNODE_IP_FRAG_DISABLE: 4311e9e2be3SAdheer Chandravanshi case ISCSI_FLASHNODE_MAX_RECV_DLENGTH: 4321e9e2be3SAdheer Chandravanshi case ISCSI_FLASHNODE_MAX_XMIT_DLENGTH: 4331e9e2be3SAdheer Chandravanshi case ISCSI_FLASHNODE_FIRST_BURST: 4341e9e2be3SAdheer Chandravanshi case ISCSI_FLASHNODE_DEF_TIME2WAIT: 4351e9e2be3SAdheer Chandravanshi case ISCSI_FLASHNODE_DEF_TIME2RETAIN: 4361e9e2be3SAdheer Chandravanshi case ISCSI_FLASHNODE_MAX_R2T: 4371e9e2be3SAdheer Chandravanshi case ISCSI_FLASHNODE_KEEPALIVE_TMO: 4381e9e2be3SAdheer Chandravanshi case ISCSI_FLASHNODE_ISID: 4391e9e2be3SAdheer Chandravanshi case ISCSI_FLASHNODE_TSID: 4401e9e2be3SAdheer Chandravanshi case ISCSI_FLASHNODE_PORT: 4411e9e2be3SAdheer Chandravanshi case ISCSI_FLASHNODE_MAX_BURST: 4421e9e2be3SAdheer Chandravanshi case ISCSI_FLASHNODE_DEF_TASKMGMT_TMO: 4431e9e2be3SAdheer Chandravanshi case ISCSI_FLASHNODE_IPADDR: 4441e9e2be3SAdheer Chandravanshi case ISCSI_FLASHNODE_ALIAS: 4451e9e2be3SAdheer Chandravanshi case ISCSI_FLASHNODE_REDIRECT_IPADDR: 4461e9e2be3SAdheer Chandravanshi case ISCSI_FLASHNODE_MAX_SEGMENT_SIZE: 4471e9e2be3SAdheer Chandravanshi case ISCSI_FLASHNODE_LOCAL_PORT: 4481e9e2be3SAdheer Chandravanshi case ISCSI_FLASHNODE_IPV4_TOS: 4491e9e2be3SAdheer Chandravanshi case ISCSI_FLASHNODE_IPV6_TC: 4501e9e2be3SAdheer Chandravanshi case ISCSI_FLASHNODE_IPV6_FLOW_LABEL: 4511e9e2be3SAdheer Chandravanshi case ISCSI_FLASHNODE_NAME: 4521e9e2be3SAdheer Chandravanshi case ISCSI_FLASHNODE_TPGT: 4531e9e2be3SAdheer Chandravanshi case ISCSI_FLASHNODE_LINK_LOCAL_IPV6: 4541e9e2be3SAdheer Chandravanshi case ISCSI_FLASHNODE_DISCOVERY_PARENT_IDX: 4551e9e2be3SAdheer Chandravanshi case ISCSI_FLASHNODE_DISCOVERY_PARENT_TYPE: 4561e9e2be3SAdheer Chandravanshi case ISCSI_FLASHNODE_TCP_XMIT_WSF: 4571e9e2be3SAdheer Chandravanshi case ISCSI_FLASHNODE_TCP_RECV_WSF: 4581e9e2be3SAdheer Chandravanshi case ISCSI_FLASHNODE_CHAP_OUT_IDX: 4591e9e2be3SAdheer Chandravanshi case ISCSI_FLASHNODE_USERNAME: 4601e9e2be3SAdheer Chandravanshi case ISCSI_FLASHNODE_PASSWORD: 4611e9e2be3SAdheer Chandravanshi case ISCSI_FLASHNODE_STATSN: 4621e9e2be3SAdheer Chandravanshi case ISCSI_FLASHNODE_EXP_STATSN: 4631e9e2be3SAdheer Chandravanshi case ISCSI_FLASHNODE_IS_BOOT_TGT: 4641e9e2be3SAdheer Chandravanshi return S_IRUGO; 4651e9e2be3SAdheer Chandravanshi default: 4661e9e2be3SAdheer Chandravanshi return 0; 4671e9e2be3SAdheer Chandravanshi } 4683128c6c7SMike Christie } 4693128c6c7SMike Christie 4703128c6c7SMike Christie return 0; 4713128c6c7SMike Christie } 4723128c6c7SMike Christie 473376738afSNilesh Javali static int qla4xxx_get_chap_list(struct Scsi_Host *shost, uint16_t chap_tbl_idx, 474376738afSNilesh Javali uint32_t *num_entries, char *buf) 475376738afSNilesh Javali { 476376738afSNilesh Javali struct scsi_qla_host *ha = to_qla_host(shost); 477376738afSNilesh Javali struct ql4_chap_table *chap_table; 478376738afSNilesh Javali struct iscsi_chap_rec *chap_rec; 479376738afSNilesh Javali int max_chap_entries = 0; 480376738afSNilesh Javali int valid_chap_entries = 0; 481376738afSNilesh Javali int ret = 0, i; 482376738afSNilesh Javali 483d11b0ca3SVikas Chaudhary if (is_qla80XX(ha)) 484376738afSNilesh Javali max_chap_entries = (ha->hw.flt_chap_size / 2) / 485376738afSNilesh Javali sizeof(struct ql4_chap_table); 486376738afSNilesh Javali else 487376738afSNilesh Javali max_chap_entries = MAX_CHAP_ENTRIES_40XX; 488376738afSNilesh Javali 489376738afSNilesh Javali ql4_printk(KERN_INFO, ha, "%s: num_entries = %d, CHAP idx = %d\n", 490376738afSNilesh Javali __func__, *num_entries, chap_tbl_idx); 491376738afSNilesh Javali 492376738afSNilesh Javali if (!buf) { 493376738afSNilesh Javali ret = -ENOMEM; 494376738afSNilesh Javali goto exit_get_chap_list; 495376738afSNilesh Javali } 496376738afSNilesh Javali 497376738afSNilesh Javali chap_rec = (struct iscsi_chap_rec *) buf; 498376738afSNilesh Javali mutex_lock(&ha->chap_sem); 499376738afSNilesh Javali for (i = chap_tbl_idx; i < max_chap_entries; i++) { 500376738afSNilesh Javali chap_table = (struct ql4_chap_table *)ha->chap_list + i; 501376738afSNilesh Javali if (chap_table->cookie != 502376738afSNilesh Javali __constant_cpu_to_le16(CHAP_VALID_COOKIE)) 503376738afSNilesh Javali continue; 504376738afSNilesh Javali 505376738afSNilesh Javali chap_rec->chap_tbl_idx = i; 506376738afSNilesh Javali strncpy(chap_rec->username, chap_table->name, 507376738afSNilesh Javali ISCSI_CHAP_AUTH_NAME_MAX_LEN); 508376738afSNilesh Javali strncpy(chap_rec->password, chap_table->secret, 509376738afSNilesh Javali QL4_CHAP_MAX_SECRET_LEN); 510376738afSNilesh Javali chap_rec->password_length = chap_table->secret_len; 511376738afSNilesh Javali 512376738afSNilesh Javali if (chap_table->flags & BIT_7) /* local */ 513376738afSNilesh Javali chap_rec->chap_type = CHAP_TYPE_OUT; 514376738afSNilesh Javali 515376738afSNilesh Javali if (chap_table->flags & BIT_6) /* peer */ 516376738afSNilesh Javali chap_rec->chap_type = CHAP_TYPE_IN; 517376738afSNilesh Javali 518376738afSNilesh Javali chap_rec++; 519376738afSNilesh Javali 520376738afSNilesh Javali valid_chap_entries++; 521376738afSNilesh Javali if (valid_chap_entries == *num_entries) 522376738afSNilesh Javali break; 523376738afSNilesh Javali else 524376738afSNilesh Javali continue; 525376738afSNilesh Javali } 526376738afSNilesh Javali mutex_unlock(&ha->chap_sem); 527376738afSNilesh Javali 528376738afSNilesh Javali exit_get_chap_list: 529376738afSNilesh Javali ql4_printk(KERN_INFO, ha, "%s: Valid CHAP Entries = %d\n", 530376738afSNilesh Javali __func__, valid_chap_entries); 531376738afSNilesh Javali *num_entries = valid_chap_entries; 532376738afSNilesh Javali return ret; 533376738afSNilesh Javali } 534376738afSNilesh Javali 535376738afSNilesh Javali static int __qla4xxx_is_chap_active(struct device *dev, void *data) 536376738afSNilesh Javali { 537376738afSNilesh Javali int ret = 0; 538376738afSNilesh Javali uint16_t *chap_tbl_idx = (uint16_t *) data; 539376738afSNilesh Javali struct iscsi_cls_session *cls_session; 540376738afSNilesh Javali struct iscsi_session *sess; 541376738afSNilesh Javali struct ddb_entry *ddb_entry; 542376738afSNilesh Javali 543376738afSNilesh Javali if (!iscsi_is_session_dev(dev)) 544376738afSNilesh Javali goto exit_is_chap_active; 545376738afSNilesh Javali 546376738afSNilesh Javali cls_session = iscsi_dev_to_session(dev); 547376738afSNilesh Javali sess = cls_session->dd_data; 548376738afSNilesh Javali ddb_entry = sess->dd_data; 549376738afSNilesh Javali 550376738afSNilesh Javali if (iscsi_session_chkready(cls_session)) 551376738afSNilesh Javali goto exit_is_chap_active; 552376738afSNilesh Javali 553376738afSNilesh Javali if (ddb_entry->chap_tbl_idx == *chap_tbl_idx) 554376738afSNilesh Javali ret = 1; 555376738afSNilesh Javali 556376738afSNilesh Javali exit_is_chap_active: 557376738afSNilesh Javali return ret; 558376738afSNilesh Javali } 559376738afSNilesh Javali 560376738afSNilesh Javali static int qla4xxx_is_chap_active(struct Scsi_Host *shost, 561376738afSNilesh Javali uint16_t chap_tbl_idx) 562376738afSNilesh Javali { 563376738afSNilesh Javali int ret = 0; 564376738afSNilesh Javali 565376738afSNilesh Javali ret = device_for_each_child(&shost->shost_gendev, &chap_tbl_idx, 566376738afSNilesh Javali __qla4xxx_is_chap_active); 567376738afSNilesh Javali 568376738afSNilesh Javali return ret; 569376738afSNilesh Javali } 570376738afSNilesh Javali 571376738afSNilesh Javali static int qla4xxx_delete_chap(struct Scsi_Host *shost, uint16_t chap_tbl_idx) 572376738afSNilesh Javali { 573376738afSNilesh Javali struct scsi_qla_host *ha = to_qla_host(shost); 574376738afSNilesh Javali struct ql4_chap_table *chap_table; 575376738afSNilesh Javali dma_addr_t chap_dma; 576376738afSNilesh Javali int max_chap_entries = 0; 577376738afSNilesh Javali uint32_t offset = 0; 578376738afSNilesh Javali uint32_t chap_size; 579376738afSNilesh Javali int ret = 0; 580376738afSNilesh Javali 581376738afSNilesh Javali chap_table = dma_pool_alloc(ha->chap_dma_pool, GFP_KERNEL, &chap_dma); 582376738afSNilesh Javali if (chap_table == NULL) 583376738afSNilesh Javali return -ENOMEM; 584376738afSNilesh Javali 585376738afSNilesh Javali memset(chap_table, 0, sizeof(struct ql4_chap_table)); 586376738afSNilesh Javali 587d11b0ca3SVikas Chaudhary if (is_qla80XX(ha)) 588376738afSNilesh Javali max_chap_entries = (ha->hw.flt_chap_size / 2) / 589376738afSNilesh Javali sizeof(struct ql4_chap_table); 590376738afSNilesh Javali else 591376738afSNilesh Javali max_chap_entries = MAX_CHAP_ENTRIES_40XX; 592376738afSNilesh Javali 593376738afSNilesh Javali if (chap_tbl_idx > max_chap_entries) { 594376738afSNilesh Javali ret = -EINVAL; 595376738afSNilesh Javali goto exit_delete_chap; 596376738afSNilesh Javali } 597376738afSNilesh Javali 598376738afSNilesh Javali /* Check if chap index is in use. 599376738afSNilesh Javali * If chap is in use don't delet chap entry */ 600376738afSNilesh Javali ret = qla4xxx_is_chap_active(shost, chap_tbl_idx); 601376738afSNilesh Javali if (ret) { 602376738afSNilesh Javali ql4_printk(KERN_INFO, ha, "CHAP entry %d is in use, cannot " 603376738afSNilesh Javali "delete from flash\n", chap_tbl_idx); 604376738afSNilesh Javali ret = -EBUSY; 605376738afSNilesh Javali goto exit_delete_chap; 606376738afSNilesh Javali } 607376738afSNilesh Javali 608376738afSNilesh Javali chap_size = sizeof(struct ql4_chap_table); 609376738afSNilesh Javali if (is_qla40XX(ha)) 610376738afSNilesh Javali offset = FLASH_CHAP_OFFSET | (chap_tbl_idx * chap_size); 611376738afSNilesh Javali else { 612376738afSNilesh Javali offset = FLASH_RAW_ACCESS_ADDR + (ha->hw.flt_region_chap << 2); 613376738afSNilesh Javali /* flt_chap_size is CHAP table size for both ports 614376738afSNilesh Javali * so divide it by 2 to calculate the offset for second port 615376738afSNilesh Javali */ 616376738afSNilesh Javali if (ha->port_num == 1) 617376738afSNilesh Javali offset += (ha->hw.flt_chap_size / 2); 618376738afSNilesh Javali offset += (chap_tbl_idx * chap_size); 619376738afSNilesh Javali } 620376738afSNilesh Javali 621376738afSNilesh Javali ret = qla4xxx_get_flash(ha, chap_dma, offset, chap_size); 622376738afSNilesh Javali if (ret != QLA_SUCCESS) { 623376738afSNilesh Javali ret = -EINVAL; 624376738afSNilesh Javali goto exit_delete_chap; 625376738afSNilesh Javali } 626376738afSNilesh Javali 627376738afSNilesh Javali DEBUG2(ql4_printk(KERN_INFO, ha, "Chap Cookie: x%x\n", 628376738afSNilesh Javali __le16_to_cpu(chap_table->cookie))); 629376738afSNilesh Javali 630376738afSNilesh Javali if (__le16_to_cpu(chap_table->cookie) != CHAP_VALID_COOKIE) { 631376738afSNilesh Javali ql4_printk(KERN_ERR, ha, "No valid chap entry found\n"); 632376738afSNilesh Javali goto exit_delete_chap; 633376738afSNilesh Javali } 634376738afSNilesh Javali 635376738afSNilesh Javali chap_table->cookie = __constant_cpu_to_le16(0xFFFF); 636376738afSNilesh Javali 637376738afSNilesh Javali offset = FLASH_CHAP_OFFSET | 638376738afSNilesh Javali (chap_tbl_idx * sizeof(struct ql4_chap_table)); 639376738afSNilesh Javali ret = qla4xxx_set_flash(ha, chap_dma, offset, chap_size, 640376738afSNilesh Javali FLASH_OPT_RMW_COMMIT); 641376738afSNilesh Javali if (ret == QLA_SUCCESS && ha->chap_list) { 642376738afSNilesh Javali mutex_lock(&ha->chap_sem); 643376738afSNilesh Javali /* Update ha chap_list cache */ 644376738afSNilesh Javali memcpy((struct ql4_chap_table *)ha->chap_list + chap_tbl_idx, 645376738afSNilesh Javali chap_table, sizeof(struct ql4_chap_table)); 646376738afSNilesh Javali mutex_unlock(&ha->chap_sem); 647376738afSNilesh Javali } 648376738afSNilesh Javali if (ret != QLA_SUCCESS) 649376738afSNilesh Javali ret = -EINVAL; 650376738afSNilesh Javali 651376738afSNilesh Javali exit_delete_chap: 652376738afSNilesh Javali dma_pool_free(ha->chap_dma_pool, chap_table, chap_dma); 653376738afSNilesh Javali return ret; 654376738afSNilesh Javali } 655376738afSNilesh Javali 656ed1086e0SVikas Chaudhary static int qla4xxx_get_iface_param(struct iscsi_iface *iface, 657ed1086e0SVikas Chaudhary enum iscsi_param_type param_type, 658ed1086e0SVikas Chaudhary int param, char *buf) 659ed1086e0SVikas Chaudhary { 660ed1086e0SVikas Chaudhary struct Scsi_Host *shost = iscsi_iface_to_shost(iface); 661ed1086e0SVikas Chaudhary struct scsi_qla_host *ha = to_qla_host(shost); 662ed1086e0SVikas Chaudhary int len = -ENOSYS; 663ed1086e0SVikas Chaudhary 664ed1086e0SVikas Chaudhary if (param_type != ISCSI_NET_PARAM) 665ed1086e0SVikas Chaudhary return -ENOSYS; 666ed1086e0SVikas Chaudhary 667ed1086e0SVikas Chaudhary switch (param) { 668ed1086e0SVikas Chaudhary case ISCSI_NET_PARAM_IPV4_ADDR: 669ed1086e0SVikas Chaudhary len = sprintf(buf, "%pI4\n", &ha->ip_config.ip_address); 670ed1086e0SVikas Chaudhary break; 671ed1086e0SVikas Chaudhary case ISCSI_NET_PARAM_IPV4_SUBNET: 672ed1086e0SVikas Chaudhary len = sprintf(buf, "%pI4\n", &ha->ip_config.subnet_mask); 673ed1086e0SVikas Chaudhary break; 674ed1086e0SVikas Chaudhary case ISCSI_NET_PARAM_IPV4_GW: 675ed1086e0SVikas Chaudhary len = sprintf(buf, "%pI4\n", &ha->ip_config.gateway); 676ed1086e0SVikas Chaudhary break; 677ed1086e0SVikas Chaudhary case ISCSI_NET_PARAM_IFACE_ENABLE: 678ed1086e0SVikas Chaudhary if (iface->iface_type == ISCSI_IFACE_TYPE_IPV4) 679ed1086e0SVikas Chaudhary len = sprintf(buf, "%s\n", 680ed1086e0SVikas Chaudhary (ha->ip_config.ipv4_options & 681ed1086e0SVikas Chaudhary IPOPT_IPV4_PROTOCOL_ENABLE) ? 682ed1086e0SVikas Chaudhary "enabled" : "disabled"); 683ed1086e0SVikas Chaudhary else if (iface->iface_type == ISCSI_IFACE_TYPE_IPV6) 684ed1086e0SVikas Chaudhary len = sprintf(buf, "%s\n", 685ed1086e0SVikas Chaudhary (ha->ip_config.ipv6_options & 686ed1086e0SVikas Chaudhary IPV6_OPT_IPV6_PROTOCOL_ENABLE) ? 687ed1086e0SVikas Chaudhary "enabled" : "disabled"); 688ed1086e0SVikas Chaudhary break; 689ed1086e0SVikas Chaudhary case ISCSI_NET_PARAM_IPV4_BOOTPROTO: 690ed1086e0SVikas Chaudhary len = sprintf(buf, "%s\n", 691ed1086e0SVikas Chaudhary (ha->ip_config.tcp_options & TCPOPT_DHCP_ENABLE) ? 692ed1086e0SVikas Chaudhary "dhcp" : "static"); 693ed1086e0SVikas Chaudhary break; 694ed1086e0SVikas Chaudhary case ISCSI_NET_PARAM_IPV6_ADDR: 695ed1086e0SVikas Chaudhary if (iface->iface_num == 0) 696ed1086e0SVikas Chaudhary len = sprintf(buf, "%pI6\n", &ha->ip_config.ipv6_addr0); 697ed1086e0SVikas Chaudhary if (iface->iface_num == 1) 698ed1086e0SVikas Chaudhary len = sprintf(buf, "%pI6\n", &ha->ip_config.ipv6_addr1); 699ed1086e0SVikas Chaudhary break; 700ed1086e0SVikas Chaudhary case ISCSI_NET_PARAM_IPV6_LINKLOCAL: 701ed1086e0SVikas Chaudhary len = sprintf(buf, "%pI6\n", 702ed1086e0SVikas Chaudhary &ha->ip_config.ipv6_link_local_addr); 703ed1086e0SVikas Chaudhary break; 704ed1086e0SVikas Chaudhary case ISCSI_NET_PARAM_IPV6_ROUTER: 705ed1086e0SVikas Chaudhary len = sprintf(buf, "%pI6\n", 706ed1086e0SVikas Chaudhary &ha->ip_config.ipv6_default_router_addr); 707ed1086e0SVikas Chaudhary break; 708ed1086e0SVikas Chaudhary case ISCSI_NET_PARAM_IPV6_ADDR_AUTOCFG: 709ed1086e0SVikas Chaudhary len = sprintf(buf, "%s\n", 710ed1086e0SVikas Chaudhary (ha->ip_config.ipv6_addl_options & 711ed1086e0SVikas Chaudhary IPV6_ADDOPT_NEIGHBOR_DISCOVERY_ADDR_ENABLE) ? 712ed1086e0SVikas Chaudhary "nd" : "static"); 713ed1086e0SVikas Chaudhary break; 714ed1086e0SVikas Chaudhary case ISCSI_NET_PARAM_IPV6_LINKLOCAL_AUTOCFG: 715ed1086e0SVikas Chaudhary len = sprintf(buf, "%s\n", 716ed1086e0SVikas Chaudhary (ha->ip_config.ipv6_addl_options & 717ed1086e0SVikas Chaudhary IPV6_ADDOPT_AUTOCONFIG_LINK_LOCAL_ADDR) ? 718ed1086e0SVikas Chaudhary "auto" : "static"); 719ed1086e0SVikas Chaudhary break; 7206ac73e8cSVikas Chaudhary case ISCSI_NET_PARAM_VLAN_ID: 7216ac73e8cSVikas Chaudhary if (iface->iface_type == ISCSI_IFACE_TYPE_IPV4) 7226ac73e8cSVikas Chaudhary len = sprintf(buf, "%d\n", 7236ac73e8cSVikas Chaudhary (ha->ip_config.ipv4_vlan_tag & 7246ac73e8cSVikas Chaudhary ISCSI_MAX_VLAN_ID)); 7256ac73e8cSVikas Chaudhary else if (iface->iface_type == ISCSI_IFACE_TYPE_IPV6) 7266ac73e8cSVikas Chaudhary len = sprintf(buf, "%d\n", 7276ac73e8cSVikas Chaudhary (ha->ip_config.ipv6_vlan_tag & 7286ac73e8cSVikas Chaudhary ISCSI_MAX_VLAN_ID)); 7296ac73e8cSVikas Chaudhary break; 7306ac73e8cSVikas Chaudhary case ISCSI_NET_PARAM_VLAN_PRIORITY: 7316ac73e8cSVikas Chaudhary if (iface->iface_type == ISCSI_IFACE_TYPE_IPV4) 7326ac73e8cSVikas Chaudhary len = sprintf(buf, "%d\n", 7336ac73e8cSVikas Chaudhary ((ha->ip_config.ipv4_vlan_tag >> 13) & 7346ac73e8cSVikas Chaudhary ISCSI_MAX_VLAN_PRIORITY)); 7356ac73e8cSVikas Chaudhary else if (iface->iface_type == ISCSI_IFACE_TYPE_IPV6) 7366ac73e8cSVikas Chaudhary len = sprintf(buf, "%d\n", 7376ac73e8cSVikas Chaudhary ((ha->ip_config.ipv6_vlan_tag >> 13) & 7386ac73e8cSVikas Chaudhary ISCSI_MAX_VLAN_PRIORITY)); 7396ac73e8cSVikas Chaudhary break; 7406ac73e8cSVikas Chaudhary case ISCSI_NET_PARAM_VLAN_ENABLED: 7416ac73e8cSVikas Chaudhary if (iface->iface_type == ISCSI_IFACE_TYPE_IPV4) 7426ac73e8cSVikas Chaudhary len = sprintf(buf, "%s\n", 7436ac73e8cSVikas Chaudhary (ha->ip_config.ipv4_options & 7446ac73e8cSVikas Chaudhary IPOPT_VLAN_TAGGING_ENABLE) ? 7456ac73e8cSVikas Chaudhary "enabled" : "disabled"); 7466ac73e8cSVikas Chaudhary else if (iface->iface_type == ISCSI_IFACE_TYPE_IPV6) 7476ac73e8cSVikas Chaudhary len = sprintf(buf, "%s\n", 7486ac73e8cSVikas Chaudhary (ha->ip_config.ipv6_options & 7496ac73e8cSVikas Chaudhary IPV6_OPT_VLAN_TAGGING_ENABLE) ? 7506ac73e8cSVikas Chaudhary "enabled" : "disabled"); 7516ac73e8cSVikas Chaudhary break; 752943c157bSVikas Chaudhary case ISCSI_NET_PARAM_MTU: 753943c157bSVikas Chaudhary len = sprintf(buf, "%d\n", ha->ip_config.eth_mtu_size); 754943c157bSVikas Chaudhary break; 7552ada7fc5SVikas Chaudhary case ISCSI_NET_PARAM_PORT: 7562ada7fc5SVikas Chaudhary if (iface->iface_type == ISCSI_IFACE_TYPE_IPV4) 7572ada7fc5SVikas Chaudhary len = sprintf(buf, "%d\n", ha->ip_config.ipv4_port); 7582ada7fc5SVikas Chaudhary else if (iface->iface_type == ISCSI_IFACE_TYPE_IPV6) 7592ada7fc5SVikas Chaudhary len = sprintf(buf, "%d\n", ha->ip_config.ipv6_port); 7602ada7fc5SVikas Chaudhary break; 761ed1086e0SVikas Chaudhary default: 762ed1086e0SVikas Chaudhary len = -ENOSYS; 763ed1086e0SVikas Chaudhary } 764ed1086e0SVikas Chaudhary 765ed1086e0SVikas Chaudhary return len; 766ed1086e0SVikas Chaudhary } 767ed1086e0SVikas Chaudhary 768b3a271a9SManish Rangankar static struct iscsi_endpoint * 769b3a271a9SManish Rangankar qla4xxx_ep_connect(struct Scsi_Host *shost, struct sockaddr *dst_addr, 770b3a271a9SManish Rangankar int non_blocking) 771b3a271a9SManish Rangankar { 772b3a271a9SManish Rangankar int ret; 773b3a271a9SManish Rangankar struct iscsi_endpoint *ep; 774b3a271a9SManish Rangankar struct qla_endpoint *qla_ep; 775b3a271a9SManish Rangankar struct scsi_qla_host *ha; 776b3a271a9SManish Rangankar struct sockaddr_in *addr; 777b3a271a9SManish Rangankar struct sockaddr_in6 *addr6; 778b3a271a9SManish Rangankar 779b3a271a9SManish Rangankar DEBUG2(printk(KERN_INFO "Func: %s\n", __func__)); 780b3a271a9SManish Rangankar if (!shost) { 781b3a271a9SManish Rangankar ret = -ENXIO; 782b3a271a9SManish Rangankar printk(KERN_ERR "%s: shost is NULL\n", 783b3a271a9SManish Rangankar __func__); 784b3a271a9SManish Rangankar return ERR_PTR(ret); 785b3a271a9SManish Rangankar } 786b3a271a9SManish Rangankar 787b3a271a9SManish Rangankar ha = iscsi_host_priv(shost); 788b3a271a9SManish Rangankar 789b3a271a9SManish Rangankar ep = iscsi_create_endpoint(sizeof(struct qla_endpoint)); 790b3a271a9SManish Rangankar if (!ep) { 791b3a271a9SManish Rangankar ret = -ENOMEM; 792b3a271a9SManish Rangankar return ERR_PTR(ret); 793b3a271a9SManish Rangankar } 794b3a271a9SManish Rangankar 795b3a271a9SManish Rangankar qla_ep = ep->dd_data; 796b3a271a9SManish Rangankar memset(qla_ep, 0, sizeof(struct qla_endpoint)); 797b3a271a9SManish Rangankar if (dst_addr->sa_family == AF_INET) { 798b3a271a9SManish Rangankar memcpy(&qla_ep->dst_addr, dst_addr, sizeof(struct sockaddr_in)); 799b3a271a9SManish Rangankar addr = (struct sockaddr_in *)&qla_ep->dst_addr; 800b3a271a9SManish Rangankar DEBUG2(ql4_printk(KERN_INFO, ha, "%s: %pI4\n", __func__, 801b3a271a9SManish Rangankar (char *)&addr->sin_addr)); 802b3a271a9SManish Rangankar } else if (dst_addr->sa_family == AF_INET6) { 803b3a271a9SManish Rangankar memcpy(&qla_ep->dst_addr, dst_addr, 804b3a271a9SManish Rangankar sizeof(struct sockaddr_in6)); 805b3a271a9SManish Rangankar addr6 = (struct sockaddr_in6 *)&qla_ep->dst_addr; 806b3a271a9SManish Rangankar DEBUG2(ql4_printk(KERN_INFO, ha, "%s: %pI6\n", __func__, 807b3a271a9SManish Rangankar (char *)&addr6->sin6_addr)); 808b3a271a9SManish Rangankar } 809b3a271a9SManish Rangankar 810b3a271a9SManish Rangankar qla_ep->host = shost; 811b3a271a9SManish Rangankar 812b3a271a9SManish Rangankar return ep; 813b3a271a9SManish Rangankar } 814b3a271a9SManish Rangankar 815b3a271a9SManish Rangankar static int qla4xxx_ep_poll(struct iscsi_endpoint *ep, int timeout_ms) 816b3a271a9SManish Rangankar { 817b3a271a9SManish Rangankar struct qla_endpoint *qla_ep; 818b3a271a9SManish Rangankar struct scsi_qla_host *ha; 819b3a271a9SManish Rangankar int ret = 0; 820b3a271a9SManish Rangankar 821b3a271a9SManish Rangankar DEBUG2(printk(KERN_INFO "Func: %s\n", __func__)); 822b3a271a9SManish Rangankar qla_ep = ep->dd_data; 823b3a271a9SManish Rangankar ha = to_qla_host(qla_ep->host); 824b3a271a9SManish Rangankar 82513483730SMike Christie if (adapter_up(ha) && !test_bit(AF_BUILD_DDB_LIST, &ha->flags)) 826b3a271a9SManish Rangankar ret = 1; 827b3a271a9SManish Rangankar 828b3a271a9SManish Rangankar return ret; 829b3a271a9SManish Rangankar } 830b3a271a9SManish Rangankar 831b3a271a9SManish Rangankar static void qla4xxx_ep_disconnect(struct iscsi_endpoint *ep) 832b3a271a9SManish Rangankar { 833b3a271a9SManish Rangankar DEBUG2(printk(KERN_INFO "Func: %s\n", __func__)); 834b3a271a9SManish Rangankar iscsi_destroy_endpoint(ep); 835b3a271a9SManish Rangankar } 836b3a271a9SManish Rangankar 837b3a271a9SManish Rangankar static int qla4xxx_get_ep_param(struct iscsi_endpoint *ep, 838b3a271a9SManish Rangankar enum iscsi_param param, 839b3a271a9SManish Rangankar char *buf) 840b3a271a9SManish Rangankar { 841b3a271a9SManish Rangankar struct qla_endpoint *qla_ep = ep->dd_data; 842b3a271a9SManish Rangankar struct sockaddr *dst_addr; 843b3a271a9SManish Rangankar 844b3a271a9SManish Rangankar DEBUG2(printk(KERN_INFO "Func: %s\n", __func__)); 845b3a271a9SManish Rangankar 846b3a271a9SManish Rangankar switch (param) { 847b3a271a9SManish Rangankar case ISCSI_PARAM_CONN_PORT: 848b3a271a9SManish Rangankar case ISCSI_PARAM_CONN_ADDRESS: 849b3a271a9SManish Rangankar if (!qla_ep) 850b3a271a9SManish Rangankar return -ENOTCONN; 851b3a271a9SManish Rangankar 852b3a271a9SManish Rangankar dst_addr = (struct sockaddr *)&qla_ep->dst_addr; 853b3a271a9SManish Rangankar if (!dst_addr) 854b3a271a9SManish Rangankar return -ENOTCONN; 855b3a271a9SManish Rangankar 856b3a271a9SManish Rangankar return iscsi_conn_get_addr_param((struct sockaddr_storage *) 857b3a271a9SManish Rangankar &qla_ep->dst_addr, param, buf); 858b3a271a9SManish Rangankar default: 859b3a271a9SManish Rangankar return -ENOSYS; 860b3a271a9SManish Rangankar } 861b3a271a9SManish Rangankar } 862b3a271a9SManish Rangankar 863b3a271a9SManish Rangankar static void qla4xxx_conn_get_stats(struct iscsi_cls_conn *cls_conn, 864b3a271a9SManish Rangankar struct iscsi_stats *stats) 865b3a271a9SManish Rangankar { 866b3a271a9SManish Rangankar struct iscsi_session *sess; 867b3a271a9SManish Rangankar struct iscsi_cls_session *cls_sess; 868b3a271a9SManish Rangankar struct ddb_entry *ddb_entry; 869b3a271a9SManish Rangankar struct scsi_qla_host *ha; 870b3a271a9SManish Rangankar struct ql_iscsi_stats *ql_iscsi_stats; 871b3a271a9SManish Rangankar int stats_size; 872b3a271a9SManish Rangankar int ret; 873b3a271a9SManish Rangankar dma_addr_t iscsi_stats_dma; 874b3a271a9SManish Rangankar 875b3a271a9SManish Rangankar DEBUG2(printk(KERN_INFO "Func: %s\n", __func__)); 876b3a271a9SManish Rangankar 877b3a271a9SManish Rangankar cls_sess = iscsi_conn_to_session(cls_conn); 878b3a271a9SManish Rangankar sess = cls_sess->dd_data; 879b3a271a9SManish Rangankar ddb_entry = sess->dd_data; 880b3a271a9SManish Rangankar ha = ddb_entry->ha; 881b3a271a9SManish Rangankar 882b3a271a9SManish Rangankar stats_size = PAGE_ALIGN(sizeof(struct ql_iscsi_stats)); 883b3a271a9SManish Rangankar /* Allocate memory */ 884b3a271a9SManish Rangankar ql_iscsi_stats = dma_alloc_coherent(&ha->pdev->dev, stats_size, 885b3a271a9SManish Rangankar &iscsi_stats_dma, GFP_KERNEL); 886b3a271a9SManish Rangankar if (!ql_iscsi_stats) { 887b3a271a9SManish Rangankar ql4_printk(KERN_ERR, ha, 888b3a271a9SManish Rangankar "Unable to allocate memory for iscsi stats\n"); 889b3a271a9SManish Rangankar goto exit_get_stats; 890b3a271a9SManish Rangankar } 891b3a271a9SManish Rangankar 892b3a271a9SManish Rangankar ret = qla4xxx_get_mgmt_data(ha, ddb_entry->fw_ddb_index, stats_size, 893b3a271a9SManish Rangankar iscsi_stats_dma); 894b3a271a9SManish Rangankar if (ret != QLA_SUCCESS) { 895b3a271a9SManish Rangankar ql4_printk(KERN_ERR, ha, 89659e13d48SMasanari Iida "Unable to retrieve iscsi stats\n"); 897b3a271a9SManish Rangankar goto free_stats; 898b3a271a9SManish Rangankar } 899b3a271a9SManish Rangankar 900b3a271a9SManish Rangankar /* octets */ 901b3a271a9SManish Rangankar stats->txdata_octets = le64_to_cpu(ql_iscsi_stats->tx_data_octets); 902b3a271a9SManish Rangankar stats->rxdata_octets = le64_to_cpu(ql_iscsi_stats->rx_data_octets); 903b3a271a9SManish Rangankar /* xmit pdus */ 904b3a271a9SManish Rangankar stats->noptx_pdus = le32_to_cpu(ql_iscsi_stats->tx_nopout_pdus); 905b3a271a9SManish Rangankar stats->scsicmd_pdus = le32_to_cpu(ql_iscsi_stats->tx_scsi_cmd_pdus); 906b3a271a9SManish Rangankar stats->tmfcmd_pdus = le32_to_cpu(ql_iscsi_stats->tx_tmf_cmd_pdus); 907b3a271a9SManish Rangankar stats->login_pdus = le32_to_cpu(ql_iscsi_stats->tx_login_cmd_pdus); 908b3a271a9SManish Rangankar stats->text_pdus = le32_to_cpu(ql_iscsi_stats->tx_text_cmd_pdus); 909b3a271a9SManish Rangankar stats->dataout_pdus = le32_to_cpu(ql_iscsi_stats->tx_scsi_write_pdus); 910b3a271a9SManish Rangankar stats->logout_pdus = le32_to_cpu(ql_iscsi_stats->tx_logout_cmd_pdus); 911b3a271a9SManish Rangankar stats->snack_pdus = le32_to_cpu(ql_iscsi_stats->tx_snack_req_pdus); 912b3a271a9SManish Rangankar /* recv pdus */ 913b3a271a9SManish Rangankar stats->noprx_pdus = le32_to_cpu(ql_iscsi_stats->rx_nopin_pdus); 914b3a271a9SManish Rangankar stats->scsirsp_pdus = le32_to_cpu(ql_iscsi_stats->rx_scsi_resp_pdus); 915b3a271a9SManish Rangankar stats->tmfrsp_pdus = le32_to_cpu(ql_iscsi_stats->rx_tmf_resp_pdus); 916b3a271a9SManish Rangankar stats->textrsp_pdus = le32_to_cpu(ql_iscsi_stats->rx_text_resp_pdus); 917b3a271a9SManish Rangankar stats->datain_pdus = le32_to_cpu(ql_iscsi_stats->rx_scsi_read_pdus); 918b3a271a9SManish Rangankar stats->logoutrsp_pdus = 919b3a271a9SManish Rangankar le32_to_cpu(ql_iscsi_stats->rx_logout_resp_pdus); 920b3a271a9SManish Rangankar stats->r2t_pdus = le32_to_cpu(ql_iscsi_stats->rx_r2t_pdus); 921b3a271a9SManish Rangankar stats->async_pdus = le32_to_cpu(ql_iscsi_stats->rx_async_pdus); 922b3a271a9SManish Rangankar stats->rjt_pdus = le32_to_cpu(ql_iscsi_stats->rx_reject_pdus); 923b3a271a9SManish Rangankar 924b3a271a9SManish Rangankar free_stats: 925b3a271a9SManish Rangankar dma_free_coherent(&ha->pdev->dev, stats_size, ql_iscsi_stats, 926b3a271a9SManish Rangankar iscsi_stats_dma); 927b3a271a9SManish Rangankar exit_get_stats: 928b3a271a9SManish Rangankar return; 929b3a271a9SManish Rangankar } 930b3a271a9SManish Rangankar 9315c656af7SMike Christie static enum blk_eh_timer_return qla4xxx_eh_cmd_timed_out(struct scsi_cmnd *sc) 9325c656af7SMike Christie { 9335c656af7SMike Christie struct iscsi_cls_session *session; 934b3a271a9SManish Rangankar struct iscsi_session *sess; 935b3a271a9SManish Rangankar unsigned long flags; 936b3a271a9SManish Rangankar enum blk_eh_timer_return ret = BLK_EH_NOT_HANDLED; 9375c656af7SMike Christie 9385c656af7SMike Christie session = starget_to_session(scsi_target(sc->device)); 939b3a271a9SManish Rangankar sess = session->dd_data; 9405c656af7SMike Christie 941b3a271a9SManish Rangankar spin_lock_irqsave(&session->lock, flags); 942b3a271a9SManish Rangankar if (session->state == ISCSI_SESSION_FAILED) 943b3a271a9SManish Rangankar ret = BLK_EH_RESET_TIMER; 944b3a271a9SManish Rangankar spin_unlock_irqrestore(&session->lock, flags); 9455c656af7SMike Christie 946b3a271a9SManish Rangankar return ret; 947568d303bSMike Christie } 948afaf5a2dSDavid Somayajulu 9493254dbe9SVikas Chaudhary static void qla4xxx_set_port_speed(struct Scsi_Host *shost) 9503254dbe9SVikas Chaudhary { 9513254dbe9SVikas Chaudhary struct scsi_qla_host *ha = to_qla_host(shost); 952e16d166eSVikas Chaudhary struct iscsi_cls_host *ihost = shost->shost_data; 9533254dbe9SVikas Chaudhary uint32_t speed = ISCSI_PORT_SPEED_UNKNOWN; 9543254dbe9SVikas Chaudhary 9553254dbe9SVikas Chaudhary qla4xxx_get_firmware_state(ha); 9563254dbe9SVikas Chaudhary 9573254dbe9SVikas Chaudhary switch (ha->addl_fw_state & 0x0F00) { 9583254dbe9SVikas Chaudhary case FW_ADDSTATE_LINK_SPEED_10MBPS: 9593254dbe9SVikas Chaudhary speed = ISCSI_PORT_SPEED_10MBPS; 9603254dbe9SVikas Chaudhary break; 9613254dbe9SVikas Chaudhary case FW_ADDSTATE_LINK_SPEED_100MBPS: 9623254dbe9SVikas Chaudhary speed = ISCSI_PORT_SPEED_100MBPS; 9633254dbe9SVikas Chaudhary break; 9643254dbe9SVikas Chaudhary case FW_ADDSTATE_LINK_SPEED_1GBPS: 9653254dbe9SVikas Chaudhary speed = ISCSI_PORT_SPEED_1GBPS; 9663254dbe9SVikas Chaudhary break; 9673254dbe9SVikas Chaudhary case FW_ADDSTATE_LINK_SPEED_10GBPS: 9683254dbe9SVikas Chaudhary speed = ISCSI_PORT_SPEED_10GBPS; 9693254dbe9SVikas Chaudhary break; 9703254dbe9SVikas Chaudhary } 9713254dbe9SVikas Chaudhary ihost->port_speed = speed; 9723254dbe9SVikas Chaudhary } 9733254dbe9SVikas Chaudhary 9743254dbe9SVikas Chaudhary static void qla4xxx_set_port_state(struct Scsi_Host *shost) 9753254dbe9SVikas Chaudhary { 9763254dbe9SVikas Chaudhary struct scsi_qla_host *ha = to_qla_host(shost); 977e16d166eSVikas Chaudhary struct iscsi_cls_host *ihost = shost->shost_data; 9783254dbe9SVikas Chaudhary uint32_t state = ISCSI_PORT_STATE_DOWN; 9793254dbe9SVikas Chaudhary 9803254dbe9SVikas Chaudhary if (test_bit(AF_LINK_UP, &ha->flags)) 9813254dbe9SVikas Chaudhary state = ISCSI_PORT_STATE_UP; 9823254dbe9SVikas Chaudhary 9833254dbe9SVikas Chaudhary ihost->port_state = state; 9843254dbe9SVikas Chaudhary } 9853254dbe9SVikas Chaudhary 986aa1e93a2SMike Christie static int qla4xxx_host_get_param(struct Scsi_Host *shost, 987aa1e93a2SMike Christie enum iscsi_host_param param, char *buf) 988aa1e93a2SMike Christie { 989aa1e93a2SMike Christie struct scsi_qla_host *ha = to_qla_host(shost); 990aa1e93a2SMike Christie int len; 991aa1e93a2SMike Christie 992aa1e93a2SMike Christie switch (param) { 993aa1e93a2SMike Christie case ISCSI_HOST_PARAM_HWADDRESS: 9947ffc49a6SMichael Chan len = sysfs_format_mac(buf, ha->my_mac, MAC_ADDR_LEN); 995aa1e93a2SMike Christie break; 99622236961SMike Christie case ISCSI_HOST_PARAM_IPADDRESS: 9972bab08fcSVikas Chaudhary len = sprintf(buf, "%pI4\n", &ha->ip_config.ip_address); 99822236961SMike Christie break; 9998ad5781aSMike Christie case ISCSI_HOST_PARAM_INITIATOR_NAME: 100022236961SMike Christie len = sprintf(buf, "%s\n", ha->name_string); 10018ad5781aSMike Christie break; 10023254dbe9SVikas Chaudhary case ISCSI_HOST_PARAM_PORT_STATE: 10033254dbe9SVikas Chaudhary qla4xxx_set_port_state(shost); 10043254dbe9SVikas Chaudhary len = sprintf(buf, "%s\n", iscsi_get_port_state_name(shost)); 10053254dbe9SVikas Chaudhary break; 10063254dbe9SVikas Chaudhary case ISCSI_HOST_PARAM_PORT_SPEED: 10073254dbe9SVikas Chaudhary qla4xxx_set_port_speed(shost); 10083254dbe9SVikas Chaudhary len = sprintf(buf, "%s\n", iscsi_get_port_speed_name(shost)); 10093254dbe9SVikas Chaudhary break; 1010aa1e93a2SMike Christie default: 1011aa1e93a2SMike Christie return -ENOSYS; 1012aa1e93a2SMike Christie } 1013aa1e93a2SMike Christie 1014aa1e93a2SMike Christie return len; 1015aa1e93a2SMike Christie } 1016aa1e93a2SMike Christie 1017ed1086e0SVikas Chaudhary static void qla4xxx_create_ipv4_iface(struct scsi_qla_host *ha) 1018ed1086e0SVikas Chaudhary { 1019ed1086e0SVikas Chaudhary if (ha->iface_ipv4) 1020ed1086e0SVikas Chaudhary return; 1021ed1086e0SVikas Chaudhary 1022ed1086e0SVikas Chaudhary /* IPv4 */ 1023ed1086e0SVikas Chaudhary ha->iface_ipv4 = iscsi_create_iface(ha->host, 1024ed1086e0SVikas Chaudhary &qla4xxx_iscsi_transport, 1025ed1086e0SVikas Chaudhary ISCSI_IFACE_TYPE_IPV4, 0, 0); 1026ed1086e0SVikas Chaudhary if (!ha->iface_ipv4) 1027ed1086e0SVikas Chaudhary ql4_printk(KERN_ERR, ha, "Could not create IPv4 iSCSI " 1028ed1086e0SVikas Chaudhary "iface0.\n"); 1029ed1086e0SVikas Chaudhary } 1030ed1086e0SVikas Chaudhary 1031ed1086e0SVikas Chaudhary static void qla4xxx_create_ipv6_iface(struct scsi_qla_host *ha) 1032ed1086e0SVikas Chaudhary { 1033ed1086e0SVikas Chaudhary if (!ha->iface_ipv6_0) 1034ed1086e0SVikas Chaudhary /* IPv6 iface-0 */ 1035ed1086e0SVikas Chaudhary ha->iface_ipv6_0 = iscsi_create_iface(ha->host, 1036ed1086e0SVikas Chaudhary &qla4xxx_iscsi_transport, 1037ed1086e0SVikas Chaudhary ISCSI_IFACE_TYPE_IPV6, 0, 1038ed1086e0SVikas Chaudhary 0); 1039ed1086e0SVikas Chaudhary if (!ha->iface_ipv6_0) 1040ed1086e0SVikas Chaudhary ql4_printk(KERN_ERR, ha, "Could not create IPv6 iSCSI " 1041ed1086e0SVikas Chaudhary "iface0.\n"); 1042ed1086e0SVikas Chaudhary 1043ed1086e0SVikas Chaudhary if (!ha->iface_ipv6_1) 1044ed1086e0SVikas Chaudhary /* IPv6 iface-1 */ 1045ed1086e0SVikas Chaudhary ha->iface_ipv6_1 = iscsi_create_iface(ha->host, 1046ed1086e0SVikas Chaudhary &qla4xxx_iscsi_transport, 1047ed1086e0SVikas Chaudhary ISCSI_IFACE_TYPE_IPV6, 1, 1048ed1086e0SVikas Chaudhary 0); 1049ed1086e0SVikas Chaudhary if (!ha->iface_ipv6_1) 1050ed1086e0SVikas Chaudhary ql4_printk(KERN_ERR, ha, "Could not create IPv6 iSCSI " 1051ed1086e0SVikas Chaudhary "iface1.\n"); 1052ed1086e0SVikas Chaudhary } 1053ed1086e0SVikas Chaudhary 1054ed1086e0SVikas Chaudhary static void qla4xxx_create_ifaces(struct scsi_qla_host *ha) 1055ed1086e0SVikas Chaudhary { 1056ed1086e0SVikas Chaudhary if (ha->ip_config.ipv4_options & IPOPT_IPV4_PROTOCOL_ENABLE) 1057ed1086e0SVikas Chaudhary qla4xxx_create_ipv4_iface(ha); 1058ed1086e0SVikas Chaudhary 1059ed1086e0SVikas Chaudhary if (ha->ip_config.ipv6_options & IPV6_OPT_IPV6_PROTOCOL_ENABLE) 1060ed1086e0SVikas Chaudhary qla4xxx_create_ipv6_iface(ha); 1061ed1086e0SVikas Chaudhary } 1062ed1086e0SVikas Chaudhary 1063ed1086e0SVikas Chaudhary static void qla4xxx_destroy_ipv4_iface(struct scsi_qla_host *ha) 1064ed1086e0SVikas Chaudhary { 1065ed1086e0SVikas Chaudhary if (ha->iface_ipv4) { 1066ed1086e0SVikas Chaudhary iscsi_destroy_iface(ha->iface_ipv4); 1067ed1086e0SVikas Chaudhary ha->iface_ipv4 = NULL; 1068ed1086e0SVikas Chaudhary } 1069ed1086e0SVikas Chaudhary } 1070ed1086e0SVikas Chaudhary 1071ed1086e0SVikas Chaudhary static void qla4xxx_destroy_ipv6_iface(struct scsi_qla_host *ha) 1072ed1086e0SVikas Chaudhary { 1073ed1086e0SVikas Chaudhary if (ha->iface_ipv6_0) { 1074ed1086e0SVikas Chaudhary iscsi_destroy_iface(ha->iface_ipv6_0); 1075ed1086e0SVikas Chaudhary ha->iface_ipv6_0 = NULL; 1076ed1086e0SVikas Chaudhary } 1077ed1086e0SVikas Chaudhary if (ha->iface_ipv6_1) { 1078ed1086e0SVikas Chaudhary iscsi_destroy_iface(ha->iface_ipv6_1); 1079ed1086e0SVikas Chaudhary ha->iface_ipv6_1 = NULL; 1080ed1086e0SVikas Chaudhary } 1081ed1086e0SVikas Chaudhary } 1082ed1086e0SVikas Chaudhary 1083ed1086e0SVikas Chaudhary static void qla4xxx_destroy_ifaces(struct scsi_qla_host *ha) 1084ed1086e0SVikas Chaudhary { 1085ed1086e0SVikas Chaudhary qla4xxx_destroy_ipv4_iface(ha); 1086ed1086e0SVikas Chaudhary qla4xxx_destroy_ipv6_iface(ha); 1087ed1086e0SVikas Chaudhary } 1088ed1086e0SVikas Chaudhary 1089d00efe3fSMike Christie static void qla4xxx_set_ipv6(struct scsi_qla_host *ha, 1090d00efe3fSMike Christie struct iscsi_iface_param_info *iface_param, 1091d00efe3fSMike Christie struct addr_ctrl_blk *init_fw_cb) 1092d00efe3fSMike Christie { 1093d00efe3fSMike Christie /* 1094d00efe3fSMike Christie * iface_num 0 is valid for IPv6 Addr, linklocal, router, autocfg. 1095d00efe3fSMike Christie * iface_num 1 is valid only for IPv6 Addr. 1096d00efe3fSMike Christie */ 1097d00efe3fSMike Christie switch (iface_param->param) { 1098d00efe3fSMike Christie case ISCSI_NET_PARAM_IPV6_ADDR: 1099d00efe3fSMike Christie if (iface_param->iface_num & 0x1) 1100d00efe3fSMike Christie /* IPv6 Addr 1 */ 1101d00efe3fSMike Christie memcpy(init_fw_cb->ipv6_addr1, iface_param->value, 1102d00efe3fSMike Christie sizeof(init_fw_cb->ipv6_addr1)); 1103d00efe3fSMike Christie else 1104d00efe3fSMike Christie /* IPv6 Addr 0 */ 1105d00efe3fSMike Christie memcpy(init_fw_cb->ipv6_addr0, iface_param->value, 1106d00efe3fSMike Christie sizeof(init_fw_cb->ipv6_addr0)); 1107d00efe3fSMike Christie break; 1108d00efe3fSMike Christie case ISCSI_NET_PARAM_IPV6_LINKLOCAL: 1109d00efe3fSMike Christie if (iface_param->iface_num & 0x1) 1110d00efe3fSMike Christie break; 1111d00efe3fSMike Christie memcpy(init_fw_cb->ipv6_if_id, &iface_param->value[8], 1112d00efe3fSMike Christie sizeof(init_fw_cb->ipv6_if_id)); 1113d00efe3fSMike Christie break; 1114d00efe3fSMike Christie case ISCSI_NET_PARAM_IPV6_ROUTER: 1115d00efe3fSMike Christie if (iface_param->iface_num & 0x1) 1116d00efe3fSMike Christie break; 1117d00efe3fSMike Christie memcpy(init_fw_cb->ipv6_dflt_rtr_addr, iface_param->value, 1118d00efe3fSMike Christie sizeof(init_fw_cb->ipv6_dflt_rtr_addr)); 1119d00efe3fSMike Christie break; 1120d00efe3fSMike Christie case ISCSI_NET_PARAM_IPV6_ADDR_AUTOCFG: 1121d00efe3fSMike Christie /* Autocfg applies to even interface */ 1122d00efe3fSMike Christie if (iface_param->iface_num & 0x1) 1123d00efe3fSMike Christie break; 1124d00efe3fSMike Christie 1125d00efe3fSMike Christie if (iface_param->value[0] == ISCSI_IPV6_AUTOCFG_DISABLE) 1126d00efe3fSMike Christie init_fw_cb->ipv6_addtl_opts &= 1127d00efe3fSMike Christie cpu_to_le16( 1128d00efe3fSMike Christie ~IPV6_ADDOPT_NEIGHBOR_DISCOVERY_ADDR_ENABLE); 1129d00efe3fSMike Christie else if (iface_param->value[0] == ISCSI_IPV6_AUTOCFG_ND_ENABLE) 1130d00efe3fSMike Christie init_fw_cb->ipv6_addtl_opts |= 1131d00efe3fSMike Christie cpu_to_le16( 1132d00efe3fSMike Christie IPV6_ADDOPT_NEIGHBOR_DISCOVERY_ADDR_ENABLE); 1133d00efe3fSMike Christie else 1134d00efe3fSMike Christie ql4_printk(KERN_ERR, ha, "Invalid autocfg setting for " 1135d00efe3fSMike Christie "IPv6 addr\n"); 1136d00efe3fSMike Christie break; 1137d00efe3fSMike Christie case ISCSI_NET_PARAM_IPV6_LINKLOCAL_AUTOCFG: 1138d00efe3fSMike Christie /* Autocfg applies to even interface */ 1139d00efe3fSMike Christie if (iface_param->iface_num & 0x1) 1140d00efe3fSMike Christie break; 1141d00efe3fSMike Christie 1142d00efe3fSMike Christie if (iface_param->value[0] == 1143d00efe3fSMike Christie ISCSI_IPV6_LINKLOCAL_AUTOCFG_ENABLE) 1144d00efe3fSMike Christie init_fw_cb->ipv6_addtl_opts |= cpu_to_le16( 1145d00efe3fSMike Christie IPV6_ADDOPT_AUTOCONFIG_LINK_LOCAL_ADDR); 1146d00efe3fSMike Christie else if (iface_param->value[0] == 1147d00efe3fSMike Christie ISCSI_IPV6_LINKLOCAL_AUTOCFG_DISABLE) 1148d00efe3fSMike Christie init_fw_cb->ipv6_addtl_opts &= cpu_to_le16( 1149d00efe3fSMike Christie ~IPV6_ADDOPT_AUTOCONFIG_LINK_LOCAL_ADDR); 1150d00efe3fSMike Christie else 1151d00efe3fSMike Christie ql4_printk(KERN_ERR, ha, "Invalid autocfg setting for " 1152d00efe3fSMike Christie "IPv6 linklocal addr\n"); 1153d00efe3fSMike Christie break; 1154d00efe3fSMike Christie case ISCSI_NET_PARAM_IPV6_ROUTER_AUTOCFG: 1155d00efe3fSMike Christie /* Autocfg applies to even interface */ 1156d00efe3fSMike Christie if (iface_param->iface_num & 0x1) 1157d00efe3fSMike Christie break; 1158d00efe3fSMike Christie 1159d00efe3fSMike Christie if (iface_param->value[0] == ISCSI_IPV6_ROUTER_AUTOCFG_ENABLE) 1160d00efe3fSMike Christie memset(init_fw_cb->ipv6_dflt_rtr_addr, 0, 1161d00efe3fSMike Christie sizeof(init_fw_cb->ipv6_dflt_rtr_addr)); 1162d00efe3fSMike Christie break; 1163d00efe3fSMike Christie case ISCSI_NET_PARAM_IFACE_ENABLE: 1164ed1086e0SVikas Chaudhary if (iface_param->value[0] == ISCSI_IFACE_ENABLE) { 1165d00efe3fSMike Christie init_fw_cb->ipv6_opts |= 1166d00efe3fSMike Christie cpu_to_le16(IPV6_OPT_IPV6_PROTOCOL_ENABLE); 1167ed1086e0SVikas Chaudhary qla4xxx_create_ipv6_iface(ha); 1168ed1086e0SVikas Chaudhary } else { 1169d00efe3fSMike Christie init_fw_cb->ipv6_opts &= 1170d00efe3fSMike Christie cpu_to_le16(~IPV6_OPT_IPV6_PROTOCOL_ENABLE & 1171d00efe3fSMike Christie 0xFFFF); 1172ed1086e0SVikas Chaudhary qla4xxx_destroy_ipv6_iface(ha); 1173ed1086e0SVikas Chaudhary } 1174d00efe3fSMike Christie break; 11752d63673bSMike Christie case ISCSI_NET_PARAM_VLAN_TAG: 1176d00efe3fSMike Christie if (iface_param->len != sizeof(init_fw_cb->ipv6_vlan_tag)) 1177d00efe3fSMike Christie break; 11786ac73e8cSVikas Chaudhary init_fw_cb->ipv6_vlan_tag = 11796ac73e8cSVikas Chaudhary cpu_to_be16(*(uint16_t *)iface_param->value); 11806ac73e8cSVikas Chaudhary break; 11816ac73e8cSVikas Chaudhary case ISCSI_NET_PARAM_VLAN_ENABLED: 11826ac73e8cSVikas Chaudhary if (iface_param->value[0] == ISCSI_VLAN_ENABLE) 11836ac73e8cSVikas Chaudhary init_fw_cb->ipv6_opts |= 11846ac73e8cSVikas Chaudhary cpu_to_le16(IPV6_OPT_VLAN_TAGGING_ENABLE); 11856ac73e8cSVikas Chaudhary else 11866ac73e8cSVikas Chaudhary init_fw_cb->ipv6_opts &= 11876ac73e8cSVikas Chaudhary cpu_to_le16(~IPV6_OPT_VLAN_TAGGING_ENABLE); 1188d00efe3fSMike Christie break; 1189943c157bSVikas Chaudhary case ISCSI_NET_PARAM_MTU: 1190943c157bSVikas Chaudhary init_fw_cb->eth_mtu_size = 1191943c157bSVikas Chaudhary cpu_to_le16(*(uint16_t *)iface_param->value); 1192943c157bSVikas Chaudhary break; 11932ada7fc5SVikas Chaudhary case ISCSI_NET_PARAM_PORT: 11942ada7fc5SVikas Chaudhary /* Autocfg applies to even interface */ 11952ada7fc5SVikas Chaudhary if (iface_param->iface_num & 0x1) 11962ada7fc5SVikas Chaudhary break; 11972ada7fc5SVikas Chaudhary 11982ada7fc5SVikas Chaudhary init_fw_cb->ipv6_port = 11992ada7fc5SVikas Chaudhary cpu_to_le16(*(uint16_t *)iface_param->value); 12002ada7fc5SVikas Chaudhary break; 1201d00efe3fSMike Christie default: 1202d00efe3fSMike Christie ql4_printk(KERN_ERR, ha, "Unknown IPv6 param = %d\n", 1203d00efe3fSMike Christie iface_param->param); 1204d00efe3fSMike Christie break; 1205d00efe3fSMike Christie } 1206d00efe3fSMike Christie } 1207d00efe3fSMike Christie 1208d00efe3fSMike Christie static void qla4xxx_set_ipv4(struct scsi_qla_host *ha, 1209d00efe3fSMike Christie struct iscsi_iface_param_info *iface_param, 1210d00efe3fSMike Christie struct addr_ctrl_blk *init_fw_cb) 1211d00efe3fSMike Christie { 1212d00efe3fSMike Christie switch (iface_param->param) { 1213d00efe3fSMike Christie case ISCSI_NET_PARAM_IPV4_ADDR: 1214d00efe3fSMike Christie memcpy(init_fw_cb->ipv4_addr, iface_param->value, 1215d00efe3fSMike Christie sizeof(init_fw_cb->ipv4_addr)); 1216d00efe3fSMike Christie break; 1217d00efe3fSMike Christie case ISCSI_NET_PARAM_IPV4_SUBNET: 1218d00efe3fSMike Christie memcpy(init_fw_cb->ipv4_subnet, iface_param->value, 1219d00efe3fSMike Christie sizeof(init_fw_cb->ipv4_subnet)); 1220d00efe3fSMike Christie break; 1221d00efe3fSMike Christie case ISCSI_NET_PARAM_IPV4_GW: 1222d00efe3fSMike Christie memcpy(init_fw_cb->ipv4_gw_addr, iface_param->value, 1223d00efe3fSMike Christie sizeof(init_fw_cb->ipv4_gw_addr)); 1224d00efe3fSMike Christie break; 1225d00efe3fSMike Christie case ISCSI_NET_PARAM_IPV4_BOOTPROTO: 1226d00efe3fSMike Christie if (iface_param->value[0] == ISCSI_BOOTPROTO_DHCP) 1227d00efe3fSMike Christie init_fw_cb->ipv4_tcp_opts |= 1228d00efe3fSMike Christie cpu_to_le16(TCPOPT_DHCP_ENABLE); 1229d00efe3fSMike Christie else if (iface_param->value[0] == ISCSI_BOOTPROTO_STATIC) 1230d00efe3fSMike Christie init_fw_cb->ipv4_tcp_opts &= 1231d00efe3fSMike Christie cpu_to_le16(~TCPOPT_DHCP_ENABLE); 1232d00efe3fSMike Christie else 1233d00efe3fSMike Christie ql4_printk(KERN_ERR, ha, "Invalid IPv4 bootproto\n"); 1234d00efe3fSMike Christie break; 1235d00efe3fSMike Christie case ISCSI_NET_PARAM_IFACE_ENABLE: 1236ed1086e0SVikas Chaudhary if (iface_param->value[0] == ISCSI_IFACE_ENABLE) { 1237d00efe3fSMike Christie init_fw_cb->ipv4_ip_opts |= 12382bab08fcSVikas Chaudhary cpu_to_le16(IPOPT_IPV4_PROTOCOL_ENABLE); 1239ed1086e0SVikas Chaudhary qla4xxx_create_ipv4_iface(ha); 1240ed1086e0SVikas Chaudhary } else { 1241d00efe3fSMike Christie init_fw_cb->ipv4_ip_opts &= 12422bab08fcSVikas Chaudhary cpu_to_le16(~IPOPT_IPV4_PROTOCOL_ENABLE & 1243d00efe3fSMike Christie 0xFFFF); 1244ed1086e0SVikas Chaudhary qla4xxx_destroy_ipv4_iface(ha); 1245ed1086e0SVikas Chaudhary } 1246d00efe3fSMike Christie break; 12472d63673bSMike Christie case ISCSI_NET_PARAM_VLAN_TAG: 1248d00efe3fSMike Christie if (iface_param->len != sizeof(init_fw_cb->ipv4_vlan_tag)) 1249d00efe3fSMike Christie break; 12506ac73e8cSVikas Chaudhary init_fw_cb->ipv4_vlan_tag = 12516ac73e8cSVikas Chaudhary cpu_to_be16(*(uint16_t *)iface_param->value); 12526ac73e8cSVikas Chaudhary break; 12536ac73e8cSVikas Chaudhary case ISCSI_NET_PARAM_VLAN_ENABLED: 12546ac73e8cSVikas Chaudhary if (iface_param->value[0] == ISCSI_VLAN_ENABLE) 12556ac73e8cSVikas Chaudhary init_fw_cb->ipv4_ip_opts |= 12566ac73e8cSVikas Chaudhary cpu_to_le16(IPOPT_VLAN_TAGGING_ENABLE); 12576ac73e8cSVikas Chaudhary else 12586ac73e8cSVikas Chaudhary init_fw_cb->ipv4_ip_opts &= 12596ac73e8cSVikas Chaudhary cpu_to_le16(~IPOPT_VLAN_TAGGING_ENABLE); 1260d00efe3fSMike Christie break; 1261943c157bSVikas Chaudhary case ISCSI_NET_PARAM_MTU: 1262943c157bSVikas Chaudhary init_fw_cb->eth_mtu_size = 1263943c157bSVikas Chaudhary cpu_to_le16(*(uint16_t *)iface_param->value); 1264943c157bSVikas Chaudhary break; 12652ada7fc5SVikas Chaudhary case ISCSI_NET_PARAM_PORT: 12662ada7fc5SVikas Chaudhary init_fw_cb->ipv4_port = 12672ada7fc5SVikas Chaudhary cpu_to_le16(*(uint16_t *)iface_param->value); 12682ada7fc5SVikas Chaudhary break; 1269d00efe3fSMike Christie default: 1270d00efe3fSMike Christie ql4_printk(KERN_ERR, ha, "Unknown IPv4 param = %d\n", 1271d00efe3fSMike Christie iface_param->param); 1272d00efe3fSMike Christie break; 1273d00efe3fSMike Christie } 1274d00efe3fSMike Christie } 1275d00efe3fSMike Christie 1276d00efe3fSMike Christie static void 1277d00efe3fSMike Christie qla4xxx_initcb_to_acb(struct addr_ctrl_blk *init_fw_cb) 1278d00efe3fSMike Christie { 1279d00efe3fSMike Christie struct addr_ctrl_blk_def *acb; 1280d00efe3fSMike Christie acb = (struct addr_ctrl_blk_def *)init_fw_cb; 1281d00efe3fSMike Christie memset(acb->reserved1, 0, sizeof(acb->reserved1)); 1282d00efe3fSMike Christie memset(acb->reserved2, 0, sizeof(acb->reserved2)); 1283d00efe3fSMike Christie memset(acb->reserved3, 0, sizeof(acb->reserved3)); 1284d00efe3fSMike Christie memset(acb->reserved4, 0, sizeof(acb->reserved4)); 1285d00efe3fSMike Christie memset(acb->reserved5, 0, sizeof(acb->reserved5)); 1286d00efe3fSMike Christie memset(acb->reserved6, 0, sizeof(acb->reserved6)); 1287d00efe3fSMike Christie memset(acb->reserved7, 0, sizeof(acb->reserved7)); 1288d00efe3fSMike Christie memset(acb->reserved8, 0, sizeof(acb->reserved8)); 1289d00efe3fSMike Christie memset(acb->reserved9, 0, sizeof(acb->reserved9)); 1290d00efe3fSMike Christie memset(acb->reserved10, 0, sizeof(acb->reserved10)); 1291d00efe3fSMike Christie memset(acb->reserved11, 0, sizeof(acb->reserved11)); 1292d00efe3fSMike Christie memset(acb->reserved12, 0, sizeof(acb->reserved12)); 1293d00efe3fSMike Christie memset(acb->reserved13, 0, sizeof(acb->reserved13)); 1294d00efe3fSMike Christie memset(acb->reserved14, 0, sizeof(acb->reserved14)); 1295d00efe3fSMike Christie memset(acb->reserved15, 0, sizeof(acb->reserved15)); 1296d00efe3fSMike Christie } 1297d00efe3fSMike Christie 1298d00efe3fSMike Christie static int 129900c31889SMike Christie qla4xxx_iface_set_param(struct Scsi_Host *shost, void *data, uint32_t len) 1300d00efe3fSMike Christie { 1301d00efe3fSMike Christie struct scsi_qla_host *ha = to_qla_host(shost); 1302d00efe3fSMike Christie int rval = 0; 1303d00efe3fSMike Christie struct iscsi_iface_param_info *iface_param = NULL; 1304d00efe3fSMike Christie struct addr_ctrl_blk *init_fw_cb = NULL; 1305d00efe3fSMike Christie dma_addr_t init_fw_cb_dma; 1306d00efe3fSMike Christie uint32_t mbox_cmd[MBOX_REG_COUNT]; 1307d00efe3fSMike Christie uint32_t mbox_sts[MBOX_REG_COUNT]; 130800c31889SMike Christie uint32_t rem = len; 130900c31889SMike Christie struct nlattr *attr; 1310d00efe3fSMike Christie 1311d00efe3fSMike Christie init_fw_cb = dma_alloc_coherent(&ha->pdev->dev, 1312d00efe3fSMike Christie sizeof(struct addr_ctrl_blk), 1313d00efe3fSMike Christie &init_fw_cb_dma, GFP_KERNEL); 1314d00efe3fSMike Christie if (!init_fw_cb) { 1315d00efe3fSMike Christie ql4_printk(KERN_ERR, ha, "%s: Unable to alloc init_cb\n", 1316d00efe3fSMike Christie __func__); 1317d00efe3fSMike Christie return -ENOMEM; 1318d00efe3fSMike Christie } 1319d00efe3fSMike Christie 1320d00efe3fSMike Christie memset(init_fw_cb, 0, sizeof(struct addr_ctrl_blk)); 1321d00efe3fSMike Christie memset(&mbox_cmd, 0, sizeof(mbox_cmd)); 1322d00efe3fSMike Christie memset(&mbox_sts, 0, sizeof(mbox_sts)); 1323d00efe3fSMike Christie 1324d00efe3fSMike Christie if (qla4xxx_get_ifcb(ha, &mbox_cmd[0], &mbox_sts[0], init_fw_cb_dma)) { 1325d00efe3fSMike Christie ql4_printk(KERN_ERR, ha, "%s: get ifcb failed\n", __func__); 1326d00efe3fSMike Christie rval = -EIO; 1327d00efe3fSMike Christie goto exit_init_fw_cb; 1328d00efe3fSMike Christie } 1329d00efe3fSMike Christie 133000c31889SMike Christie nla_for_each_attr(attr, data, len, rem) { 133100c31889SMike Christie iface_param = nla_data(attr); 1332d00efe3fSMike Christie 1333d00efe3fSMike Christie if (iface_param->param_type != ISCSI_NET_PARAM) 1334d00efe3fSMike Christie continue; 1335d00efe3fSMike Christie 1336d00efe3fSMike Christie switch (iface_param->iface_type) { 1337d00efe3fSMike Christie case ISCSI_IFACE_TYPE_IPV4: 1338d00efe3fSMike Christie switch (iface_param->iface_num) { 1339d00efe3fSMike Christie case 0: 1340d00efe3fSMike Christie qla4xxx_set_ipv4(ha, iface_param, init_fw_cb); 1341d00efe3fSMike Christie break; 1342d00efe3fSMike Christie default: 1343d00efe3fSMike Christie /* Cannot have more than one IPv4 interface */ 1344d00efe3fSMike Christie ql4_printk(KERN_ERR, ha, "Invalid IPv4 iface " 1345d00efe3fSMike Christie "number = %d\n", 1346d00efe3fSMike Christie iface_param->iface_num); 1347d00efe3fSMike Christie break; 1348d00efe3fSMike Christie } 1349d00efe3fSMike Christie break; 1350d00efe3fSMike Christie case ISCSI_IFACE_TYPE_IPV6: 1351d00efe3fSMike Christie switch (iface_param->iface_num) { 1352d00efe3fSMike Christie case 0: 1353d00efe3fSMike Christie case 1: 1354d00efe3fSMike Christie qla4xxx_set_ipv6(ha, iface_param, init_fw_cb); 1355d00efe3fSMike Christie break; 1356d00efe3fSMike Christie default: 1357d00efe3fSMike Christie /* Cannot have more than two IPv6 interface */ 1358d00efe3fSMike Christie ql4_printk(KERN_ERR, ha, "Invalid IPv6 iface " 1359d00efe3fSMike Christie "number = %d\n", 1360d00efe3fSMike Christie iface_param->iface_num); 1361d00efe3fSMike Christie break; 1362d00efe3fSMike Christie } 1363d00efe3fSMike Christie break; 1364d00efe3fSMike Christie default: 1365d00efe3fSMike Christie ql4_printk(KERN_ERR, ha, "Invalid iface type\n"); 1366d00efe3fSMike Christie break; 1367d00efe3fSMike Christie } 1368d00efe3fSMike Christie } 1369d00efe3fSMike Christie 1370d00efe3fSMike Christie init_fw_cb->cookie = cpu_to_le32(0x11BEAD5A); 1371d00efe3fSMike Christie 1372d00efe3fSMike Christie rval = qla4xxx_set_flash(ha, init_fw_cb_dma, FLASH_SEGMENT_IFCB, 1373d00efe3fSMike Christie sizeof(struct addr_ctrl_blk), 1374d00efe3fSMike Christie FLASH_OPT_RMW_COMMIT); 1375d00efe3fSMike Christie if (rval != QLA_SUCCESS) { 1376d00efe3fSMike Christie ql4_printk(KERN_ERR, ha, "%s: set flash mbx failed\n", 1377d00efe3fSMike Christie __func__); 1378d00efe3fSMike Christie rval = -EIO; 1379d00efe3fSMike Christie goto exit_init_fw_cb; 1380d00efe3fSMike Christie } 1381d00efe3fSMike Christie 1382ce505f9dSVikas Chaudhary rval = qla4xxx_disable_acb(ha); 1383ce505f9dSVikas Chaudhary if (rval != QLA_SUCCESS) { 1384ce505f9dSVikas Chaudhary ql4_printk(KERN_ERR, ha, "%s: disable acb mbx failed\n", 1385ce505f9dSVikas Chaudhary __func__); 1386ce505f9dSVikas Chaudhary rval = -EIO; 1387ce505f9dSVikas Chaudhary goto exit_init_fw_cb; 1388ce505f9dSVikas Chaudhary } 1389ce505f9dSVikas Chaudhary 1390ce505f9dSVikas Chaudhary wait_for_completion_timeout(&ha->disable_acb_comp, 1391ce505f9dSVikas Chaudhary DISABLE_ACB_TOV * HZ); 1392d00efe3fSMike Christie 1393d00efe3fSMike Christie qla4xxx_initcb_to_acb(init_fw_cb); 1394d00efe3fSMike Christie 1395d00efe3fSMike Christie rval = qla4xxx_set_acb(ha, &mbox_cmd[0], &mbox_sts[0], init_fw_cb_dma); 1396d00efe3fSMike Christie if (rval != QLA_SUCCESS) { 1397d00efe3fSMike Christie ql4_printk(KERN_ERR, ha, "%s: set acb mbx failed\n", 1398d00efe3fSMike Christie __func__); 1399d00efe3fSMike Christie rval = -EIO; 1400d00efe3fSMike Christie goto exit_init_fw_cb; 1401d00efe3fSMike Christie } 1402d00efe3fSMike Christie 1403d00efe3fSMike Christie memset(init_fw_cb, 0, sizeof(struct addr_ctrl_blk)); 1404d00efe3fSMike Christie qla4xxx_update_local_ifcb(ha, &mbox_cmd[0], &mbox_sts[0], init_fw_cb, 1405d00efe3fSMike Christie init_fw_cb_dma); 1406d00efe3fSMike Christie 1407d00efe3fSMike Christie exit_init_fw_cb: 1408d00efe3fSMike Christie dma_free_coherent(&ha->pdev->dev, sizeof(struct addr_ctrl_blk), 1409d00efe3fSMike Christie init_fw_cb, init_fw_cb_dma); 1410d00efe3fSMike Christie 1411d00efe3fSMike Christie return rval; 1412d00efe3fSMike Christie } 1413d00efe3fSMike Christie 1414fca9f04dSMike Christie static int qla4xxx_session_get_param(struct iscsi_cls_session *cls_sess, 1415fca9f04dSMike Christie enum iscsi_param param, char *buf) 1416fca9f04dSMike Christie { 1417fca9f04dSMike Christie struct iscsi_session *sess = cls_sess->dd_data; 1418fca9f04dSMike Christie struct ddb_entry *ddb_entry = sess->dd_data; 1419fca9f04dSMike Christie struct scsi_qla_host *ha = ddb_entry->ha; 1420fca9f04dSMike Christie int rval, len; 1421fca9f04dSMike Christie uint16_t idx; 1422fca9f04dSMike Christie 1423fca9f04dSMike Christie switch (param) { 1424fca9f04dSMike Christie case ISCSI_PARAM_CHAP_IN_IDX: 1425fca9f04dSMike Christie rval = qla4xxx_get_chap_index(ha, sess->username_in, 1426fca9f04dSMike Christie sess->password_in, BIDI_CHAP, 1427fca9f04dSMike Christie &idx); 1428fca9f04dSMike Christie if (rval) 1429c7a5e0d0SManish Rangankar len = sprintf(buf, "\n"); 1430c7a5e0d0SManish Rangankar else 1431fca9f04dSMike Christie len = sprintf(buf, "%hu\n", idx); 1432fca9f04dSMike Christie break; 1433fca9f04dSMike Christie case ISCSI_PARAM_CHAP_OUT_IDX: 1434fca9f04dSMike Christie rval = qla4xxx_get_chap_index(ha, sess->username, 1435fca9f04dSMike Christie sess->password, LOCAL_CHAP, 1436fca9f04dSMike Christie &idx); 1437fca9f04dSMike Christie if (rval) 1438c7a5e0d0SManish Rangankar len = sprintf(buf, "\n"); 1439c7a5e0d0SManish Rangankar else 1440fca9f04dSMike Christie len = sprintf(buf, "%hu\n", idx); 1441fca9f04dSMike Christie break; 1442fca9f04dSMike Christie default: 1443fca9f04dSMike Christie return iscsi_session_get_param(cls_sess, param, buf); 1444fca9f04dSMike Christie } 1445fca9f04dSMike Christie 1446fca9f04dSMike Christie return len; 1447fca9f04dSMike Christie } 1448fca9f04dSMike Christie 1449b3a271a9SManish Rangankar static int qla4xxx_conn_get_param(struct iscsi_cls_conn *cls_conn, 1450afaf5a2dSDavid Somayajulu enum iscsi_param param, char *buf) 1451afaf5a2dSDavid Somayajulu { 1452b3a271a9SManish Rangankar struct iscsi_conn *conn; 1453b3a271a9SManish Rangankar struct qla_conn *qla_conn; 1454b3a271a9SManish Rangankar struct sockaddr *dst_addr; 1455b3a271a9SManish Rangankar int len = 0; 1456afaf5a2dSDavid Somayajulu 1457b3a271a9SManish Rangankar conn = cls_conn->dd_data; 1458b3a271a9SManish Rangankar qla_conn = conn->dd_data; 1459d46bdeb1SManish Rangankar dst_addr = (struct sockaddr *)&qla_conn->qla_ep->dst_addr; 1460afaf5a2dSDavid Somayajulu 1461afaf5a2dSDavid Somayajulu switch (param) { 1462afaf5a2dSDavid Somayajulu case ISCSI_PARAM_CONN_PORT: 1463afaf5a2dSDavid Somayajulu case ISCSI_PARAM_CONN_ADDRESS: 1464b3a271a9SManish Rangankar return iscsi_conn_get_addr_param((struct sockaddr_storage *) 1465b3a271a9SManish Rangankar dst_addr, param, buf); 1466afaf5a2dSDavid Somayajulu default: 1467b3a271a9SManish Rangankar return iscsi_conn_get_param(cls_conn, param, buf); 1468afaf5a2dSDavid Somayajulu } 1469afaf5a2dSDavid Somayajulu 1470afaf5a2dSDavid Somayajulu return len; 1471b3a271a9SManish Rangankar 1472afaf5a2dSDavid Somayajulu } 1473afaf5a2dSDavid Somayajulu 147413483730SMike Christie int qla4xxx_get_ddb_index(struct scsi_qla_host *ha, uint16_t *ddb_index) 147513483730SMike Christie { 147613483730SMike Christie uint32_t mbx_sts = 0; 147713483730SMike Christie uint16_t tmp_ddb_index; 147813483730SMike Christie int ret; 147913483730SMike Christie 148013483730SMike Christie get_ddb_index: 148113483730SMike Christie tmp_ddb_index = find_first_zero_bit(ha->ddb_idx_map, MAX_DDB_ENTRIES); 148213483730SMike Christie 148313483730SMike Christie if (tmp_ddb_index >= MAX_DDB_ENTRIES) { 148413483730SMike Christie DEBUG2(ql4_printk(KERN_INFO, ha, 148513483730SMike Christie "Free DDB index not available\n")); 148613483730SMike Christie ret = QLA_ERROR; 148713483730SMike Christie goto exit_get_ddb_index; 148813483730SMike Christie } 148913483730SMike Christie 149013483730SMike Christie if (test_and_set_bit(tmp_ddb_index, ha->ddb_idx_map)) 149113483730SMike Christie goto get_ddb_index; 149213483730SMike Christie 149313483730SMike Christie DEBUG2(ql4_printk(KERN_INFO, ha, 149413483730SMike Christie "Found a free DDB index at %d\n", tmp_ddb_index)); 149513483730SMike Christie ret = qla4xxx_req_ddb_entry(ha, tmp_ddb_index, &mbx_sts); 149613483730SMike Christie if (ret == QLA_ERROR) { 149713483730SMike Christie if (mbx_sts == MBOX_STS_COMMAND_ERROR) { 149813483730SMike Christie ql4_printk(KERN_INFO, ha, 149913483730SMike Christie "DDB index = %d not available trying next\n", 150013483730SMike Christie tmp_ddb_index); 150113483730SMike Christie goto get_ddb_index; 150213483730SMike Christie } 150313483730SMike Christie DEBUG2(ql4_printk(KERN_INFO, ha, 150413483730SMike Christie "Free FW DDB not available\n")); 150513483730SMike Christie } 150613483730SMike Christie 150713483730SMike Christie *ddb_index = tmp_ddb_index; 150813483730SMike Christie 150913483730SMike Christie exit_get_ddb_index: 151013483730SMike Christie return ret; 151113483730SMike Christie } 151213483730SMike Christie 151313483730SMike Christie static int qla4xxx_match_ipaddress(struct scsi_qla_host *ha, 151413483730SMike Christie struct ddb_entry *ddb_entry, 151513483730SMike Christie char *existing_ipaddr, 151613483730SMike Christie char *user_ipaddr) 151713483730SMike Christie { 151813483730SMike Christie uint8_t dst_ipaddr[IPv6_ADDR_LEN]; 151913483730SMike Christie char formatted_ipaddr[DDB_IPADDR_LEN]; 152013483730SMike Christie int status = QLA_SUCCESS, ret = 0; 152113483730SMike Christie 152213483730SMike Christie if (ddb_entry->fw_ddb_entry.options & DDB_OPT_IPV6_DEVICE) { 152313483730SMike Christie ret = in6_pton(user_ipaddr, strlen(user_ipaddr), dst_ipaddr, 152413483730SMike Christie '\0', NULL); 152513483730SMike Christie if (ret == 0) { 152613483730SMike Christie status = QLA_ERROR; 152713483730SMike Christie goto out_match; 152813483730SMike Christie } 152913483730SMike Christie ret = sprintf(formatted_ipaddr, "%pI6", dst_ipaddr); 153013483730SMike Christie } else { 153113483730SMike Christie ret = in4_pton(user_ipaddr, strlen(user_ipaddr), dst_ipaddr, 153213483730SMike Christie '\0', NULL); 153313483730SMike Christie if (ret == 0) { 153413483730SMike Christie status = QLA_ERROR; 153513483730SMike Christie goto out_match; 153613483730SMike Christie } 153713483730SMike Christie ret = sprintf(formatted_ipaddr, "%pI4", dst_ipaddr); 153813483730SMike Christie } 153913483730SMike Christie 154013483730SMike Christie if (strcmp(existing_ipaddr, formatted_ipaddr)) 154113483730SMike Christie status = QLA_ERROR; 154213483730SMike Christie 154313483730SMike Christie out_match: 154413483730SMike Christie return status; 154513483730SMike Christie } 154613483730SMike Christie 154713483730SMike Christie static int qla4xxx_match_fwdb_session(struct scsi_qla_host *ha, 154813483730SMike Christie struct iscsi_cls_conn *cls_conn) 154913483730SMike Christie { 155013483730SMike Christie int idx = 0, max_ddbs, rval; 155113483730SMike Christie struct iscsi_cls_session *cls_sess = iscsi_conn_to_session(cls_conn); 155213483730SMike Christie struct iscsi_session *sess, *existing_sess; 155313483730SMike Christie struct iscsi_conn *conn, *existing_conn; 155413483730SMike Christie struct ddb_entry *ddb_entry; 155513483730SMike Christie 155613483730SMike Christie sess = cls_sess->dd_data; 155713483730SMike Christie conn = cls_conn->dd_data; 155813483730SMike Christie 155913483730SMike Christie if (sess->targetname == NULL || 156013483730SMike Christie conn->persistent_address == NULL || 156113483730SMike Christie conn->persistent_port == 0) 156213483730SMike Christie return QLA_ERROR; 156313483730SMike Christie 156413483730SMike Christie max_ddbs = is_qla40XX(ha) ? MAX_DEV_DB_ENTRIES_40XX : 156513483730SMike Christie MAX_DEV_DB_ENTRIES; 156613483730SMike Christie 156713483730SMike Christie for (idx = 0; idx < max_ddbs; idx++) { 156813483730SMike Christie ddb_entry = qla4xxx_lookup_ddb_by_fw_index(ha, idx); 156913483730SMike Christie if (ddb_entry == NULL) 157013483730SMike Christie continue; 157113483730SMike Christie 157213483730SMike Christie if (ddb_entry->ddb_type != FLASH_DDB) 157313483730SMike Christie continue; 157413483730SMike Christie 157513483730SMike Christie existing_sess = ddb_entry->sess->dd_data; 157613483730SMike Christie existing_conn = ddb_entry->conn->dd_data; 157713483730SMike Christie 157813483730SMike Christie if (existing_sess->targetname == NULL || 157913483730SMike Christie existing_conn->persistent_address == NULL || 158013483730SMike Christie existing_conn->persistent_port == 0) 158113483730SMike Christie continue; 158213483730SMike Christie 158313483730SMike Christie DEBUG2(ql4_printk(KERN_INFO, ha, 158413483730SMike Christie "IQN = %s User IQN = %s\n", 158513483730SMike Christie existing_sess->targetname, 158613483730SMike Christie sess->targetname)); 158713483730SMike Christie 158813483730SMike Christie DEBUG2(ql4_printk(KERN_INFO, ha, 158913483730SMike Christie "IP = %s User IP = %s\n", 159013483730SMike Christie existing_conn->persistent_address, 159113483730SMike Christie conn->persistent_address)); 159213483730SMike Christie 159313483730SMike Christie DEBUG2(ql4_printk(KERN_INFO, ha, 159413483730SMike Christie "Port = %d User Port = %d\n", 159513483730SMike Christie existing_conn->persistent_port, 159613483730SMike Christie conn->persistent_port)); 159713483730SMike Christie 159813483730SMike Christie if (strcmp(existing_sess->targetname, sess->targetname)) 159913483730SMike Christie continue; 160013483730SMike Christie rval = qla4xxx_match_ipaddress(ha, ddb_entry, 160113483730SMike Christie existing_conn->persistent_address, 160213483730SMike Christie conn->persistent_address); 160313483730SMike Christie if (rval == QLA_ERROR) 160413483730SMike Christie continue; 160513483730SMike Christie if (existing_conn->persistent_port != conn->persistent_port) 160613483730SMike Christie continue; 160713483730SMike Christie break; 160813483730SMike Christie } 160913483730SMike Christie 161013483730SMike Christie if (idx == max_ddbs) 161113483730SMike Christie return QLA_ERROR; 161213483730SMike Christie 161313483730SMike Christie DEBUG2(ql4_printk(KERN_INFO, ha, 161413483730SMike Christie "Match found in fwdb sessions\n")); 161513483730SMike Christie return QLA_SUCCESS; 161613483730SMike Christie } 161713483730SMike Christie 1618b3a271a9SManish Rangankar static struct iscsi_cls_session * 1619b3a271a9SManish Rangankar qla4xxx_session_create(struct iscsi_endpoint *ep, 1620b3a271a9SManish Rangankar uint16_t cmds_max, uint16_t qdepth, 1621b3a271a9SManish Rangankar uint32_t initial_cmdsn) 1622b3a271a9SManish Rangankar { 1623b3a271a9SManish Rangankar struct iscsi_cls_session *cls_sess; 1624b3a271a9SManish Rangankar struct scsi_qla_host *ha; 1625b3a271a9SManish Rangankar struct qla_endpoint *qla_ep; 1626b3a271a9SManish Rangankar struct ddb_entry *ddb_entry; 162713483730SMike Christie uint16_t ddb_index; 1628b3a271a9SManish Rangankar struct iscsi_session *sess; 1629b3a271a9SManish Rangankar struct sockaddr *dst_addr; 1630b3a271a9SManish Rangankar int ret; 1631b3a271a9SManish Rangankar 1632b3a271a9SManish Rangankar DEBUG2(printk(KERN_INFO "Func: %s\n", __func__)); 1633b3a271a9SManish Rangankar if (!ep) { 1634b3a271a9SManish Rangankar printk(KERN_ERR "qla4xxx: missing ep.\n"); 1635b3a271a9SManish Rangankar return NULL; 1636b3a271a9SManish Rangankar } 1637b3a271a9SManish Rangankar 1638b3a271a9SManish Rangankar qla_ep = ep->dd_data; 1639b3a271a9SManish Rangankar dst_addr = (struct sockaddr *)&qla_ep->dst_addr; 1640b3a271a9SManish Rangankar ha = to_qla_host(qla_ep->host); 1641736cf369SManish Rangankar 164213483730SMike Christie ret = qla4xxx_get_ddb_index(ha, &ddb_index); 164313483730SMike Christie if (ret == QLA_ERROR) 1644b3a271a9SManish Rangankar return NULL; 1645b3a271a9SManish Rangankar 1646b3a271a9SManish Rangankar cls_sess = iscsi_session_setup(&qla4xxx_iscsi_transport, qla_ep->host, 1647b3a271a9SManish Rangankar cmds_max, sizeof(struct ddb_entry), 1648b3a271a9SManish Rangankar sizeof(struct ql4_task_data), 1649b3a271a9SManish Rangankar initial_cmdsn, ddb_index); 1650b3a271a9SManish Rangankar if (!cls_sess) 1651b3a271a9SManish Rangankar return NULL; 1652b3a271a9SManish Rangankar 1653b3a271a9SManish Rangankar sess = cls_sess->dd_data; 1654b3a271a9SManish Rangankar ddb_entry = sess->dd_data; 1655b3a271a9SManish Rangankar ddb_entry->fw_ddb_index = ddb_index; 1656b3a271a9SManish Rangankar ddb_entry->fw_ddb_device_state = DDB_DS_NO_CONNECTION_ACTIVE; 1657b3a271a9SManish Rangankar ddb_entry->ha = ha; 1658b3a271a9SManish Rangankar ddb_entry->sess = cls_sess; 165913483730SMike Christie ddb_entry->unblock_sess = qla4xxx_unblock_ddb; 166013483730SMike Christie ddb_entry->ddb_change = qla4xxx_ddb_change; 1661b3a271a9SManish Rangankar cls_sess->recovery_tmo = ql4xsess_recovery_tmo; 1662b3a271a9SManish Rangankar ha->fw_ddb_index_map[ddb_entry->fw_ddb_index] = ddb_entry; 1663b3a271a9SManish Rangankar ha->tot_ddbs++; 1664b3a271a9SManish Rangankar 1665b3a271a9SManish Rangankar return cls_sess; 1666b3a271a9SManish Rangankar } 1667b3a271a9SManish Rangankar 1668b3a271a9SManish Rangankar static void qla4xxx_session_destroy(struct iscsi_cls_session *cls_sess) 1669b3a271a9SManish Rangankar { 1670b3a271a9SManish Rangankar struct iscsi_session *sess; 1671b3a271a9SManish Rangankar struct ddb_entry *ddb_entry; 1672b3a271a9SManish Rangankar struct scsi_qla_host *ha; 167390599b62SManish Rangankar unsigned long flags, wtime; 167490599b62SManish Rangankar struct dev_db_entry *fw_ddb_entry = NULL; 167590599b62SManish Rangankar dma_addr_t fw_ddb_entry_dma; 167690599b62SManish Rangankar uint32_t ddb_state; 167790599b62SManish Rangankar int ret; 1678b3a271a9SManish Rangankar 1679b3a271a9SManish Rangankar DEBUG2(printk(KERN_INFO "Func: %s\n", __func__)); 1680b3a271a9SManish Rangankar sess = cls_sess->dd_data; 1681b3a271a9SManish Rangankar ddb_entry = sess->dd_data; 1682b3a271a9SManish Rangankar ha = ddb_entry->ha; 1683b3a271a9SManish Rangankar 168490599b62SManish Rangankar fw_ddb_entry = dma_alloc_coherent(&ha->pdev->dev, sizeof(*fw_ddb_entry), 168590599b62SManish Rangankar &fw_ddb_entry_dma, GFP_KERNEL); 168690599b62SManish Rangankar if (!fw_ddb_entry) { 168790599b62SManish Rangankar ql4_printk(KERN_ERR, ha, 168890599b62SManish Rangankar "%s: Unable to allocate dma buffer\n", __func__); 168990599b62SManish Rangankar goto destroy_session; 169090599b62SManish Rangankar } 169190599b62SManish Rangankar 169290599b62SManish Rangankar wtime = jiffies + (HZ * LOGOUT_TOV); 169390599b62SManish Rangankar do { 169490599b62SManish Rangankar ret = qla4xxx_get_fwddb_entry(ha, ddb_entry->fw_ddb_index, 169590599b62SManish Rangankar fw_ddb_entry, fw_ddb_entry_dma, 169690599b62SManish Rangankar NULL, NULL, &ddb_state, NULL, 169790599b62SManish Rangankar NULL, NULL); 169890599b62SManish Rangankar if (ret == QLA_ERROR) 169990599b62SManish Rangankar goto destroy_session; 170090599b62SManish Rangankar 170190599b62SManish Rangankar if ((ddb_state == DDB_DS_NO_CONNECTION_ACTIVE) || 170290599b62SManish Rangankar (ddb_state == DDB_DS_SESSION_FAILED)) 170390599b62SManish Rangankar goto destroy_session; 170490599b62SManish Rangankar 170590599b62SManish Rangankar schedule_timeout_uninterruptible(HZ); 170690599b62SManish Rangankar } while ((time_after(wtime, jiffies))); 170790599b62SManish Rangankar 170890599b62SManish Rangankar destroy_session: 1709736cf369SManish Rangankar qla4xxx_clear_ddb_entry(ha, ddb_entry->fw_ddb_index); 1710736cf369SManish Rangankar 1711b3a271a9SManish Rangankar spin_lock_irqsave(&ha->hardware_lock, flags); 1712b3a271a9SManish Rangankar qla4xxx_free_ddb(ha, ddb_entry); 1713b3a271a9SManish Rangankar spin_unlock_irqrestore(&ha->hardware_lock, flags); 171490599b62SManish Rangankar 1715b3a271a9SManish Rangankar iscsi_session_teardown(cls_sess); 171690599b62SManish Rangankar 171790599b62SManish Rangankar if (fw_ddb_entry) 171890599b62SManish Rangankar dma_free_coherent(&ha->pdev->dev, sizeof(*fw_ddb_entry), 171990599b62SManish Rangankar fw_ddb_entry, fw_ddb_entry_dma); 1720b3a271a9SManish Rangankar } 1721b3a271a9SManish Rangankar 1722b3a271a9SManish Rangankar static struct iscsi_cls_conn * 1723b3a271a9SManish Rangankar qla4xxx_conn_create(struct iscsi_cls_session *cls_sess, uint32_t conn_idx) 1724b3a271a9SManish Rangankar { 1725b3a271a9SManish Rangankar struct iscsi_cls_conn *cls_conn; 1726b3a271a9SManish Rangankar struct iscsi_session *sess; 1727b3a271a9SManish Rangankar struct ddb_entry *ddb_entry; 1728b3a271a9SManish Rangankar 1729b3a271a9SManish Rangankar DEBUG2(printk(KERN_INFO "Func: %s\n", __func__)); 1730b3a271a9SManish Rangankar cls_conn = iscsi_conn_setup(cls_sess, sizeof(struct qla_conn), 1731b3a271a9SManish Rangankar conn_idx); 1732ff1d0319SMike Christie if (!cls_conn) 1733ff1d0319SMike Christie return NULL; 1734ff1d0319SMike Christie 1735b3a271a9SManish Rangankar sess = cls_sess->dd_data; 1736b3a271a9SManish Rangankar ddb_entry = sess->dd_data; 1737b3a271a9SManish Rangankar ddb_entry->conn = cls_conn; 1738b3a271a9SManish Rangankar 1739b3a271a9SManish Rangankar return cls_conn; 1740b3a271a9SManish Rangankar } 1741b3a271a9SManish Rangankar 1742b3a271a9SManish Rangankar static int qla4xxx_conn_bind(struct iscsi_cls_session *cls_session, 1743b3a271a9SManish Rangankar struct iscsi_cls_conn *cls_conn, 1744b3a271a9SManish Rangankar uint64_t transport_fd, int is_leading) 1745b3a271a9SManish Rangankar { 1746b3a271a9SManish Rangankar struct iscsi_conn *conn; 1747b3a271a9SManish Rangankar struct qla_conn *qla_conn; 1748b3a271a9SManish Rangankar struct iscsi_endpoint *ep; 1749b3a271a9SManish Rangankar 1750b3a271a9SManish Rangankar DEBUG2(printk(KERN_INFO "Func: %s\n", __func__)); 1751b3a271a9SManish Rangankar 1752b3a271a9SManish Rangankar if (iscsi_conn_bind(cls_session, cls_conn, is_leading)) 1753b3a271a9SManish Rangankar return -EINVAL; 1754b3a271a9SManish Rangankar ep = iscsi_lookup_endpoint(transport_fd); 1755b3a271a9SManish Rangankar conn = cls_conn->dd_data; 1756b3a271a9SManish Rangankar qla_conn = conn->dd_data; 1757b3a271a9SManish Rangankar qla_conn->qla_ep = ep->dd_data; 1758b3a271a9SManish Rangankar return 0; 1759b3a271a9SManish Rangankar } 1760b3a271a9SManish Rangankar 1761b3a271a9SManish Rangankar static int qla4xxx_conn_start(struct iscsi_cls_conn *cls_conn) 1762b3a271a9SManish Rangankar { 1763b3a271a9SManish Rangankar struct iscsi_cls_session *cls_sess = iscsi_conn_to_session(cls_conn); 1764b3a271a9SManish Rangankar struct iscsi_session *sess; 1765b3a271a9SManish Rangankar struct ddb_entry *ddb_entry; 1766b3a271a9SManish Rangankar struct scsi_qla_host *ha; 176713483730SMike Christie struct dev_db_entry *fw_ddb_entry = NULL; 1768b3a271a9SManish Rangankar dma_addr_t fw_ddb_entry_dma; 1769b3a271a9SManish Rangankar uint32_t mbx_sts = 0; 1770b3a271a9SManish Rangankar int ret = 0; 1771b3a271a9SManish Rangankar int status = QLA_SUCCESS; 1772b3a271a9SManish Rangankar 1773b3a271a9SManish Rangankar DEBUG2(printk(KERN_INFO "Func: %s\n", __func__)); 1774b3a271a9SManish Rangankar sess = cls_sess->dd_data; 1775b3a271a9SManish Rangankar ddb_entry = sess->dd_data; 1776b3a271a9SManish Rangankar ha = ddb_entry->ha; 1777b3a271a9SManish Rangankar 177813483730SMike Christie /* Check if we have matching FW DDB, if yes then do not 177913483730SMike Christie * login to this target. This could cause target to logout previous 178013483730SMike Christie * connection 178113483730SMike Christie */ 178213483730SMike Christie ret = qla4xxx_match_fwdb_session(ha, cls_conn); 178313483730SMike Christie if (ret == QLA_SUCCESS) { 178413483730SMike Christie ql4_printk(KERN_INFO, ha, 178513483730SMike Christie "Session already exist in FW.\n"); 178613483730SMike Christie ret = -EEXIST; 178713483730SMike Christie goto exit_conn_start; 178813483730SMike Christie } 178913483730SMike Christie 1790b3a271a9SManish Rangankar fw_ddb_entry = dma_alloc_coherent(&ha->pdev->dev, sizeof(*fw_ddb_entry), 1791b3a271a9SManish Rangankar &fw_ddb_entry_dma, GFP_KERNEL); 1792b3a271a9SManish Rangankar if (!fw_ddb_entry) { 1793b3a271a9SManish Rangankar ql4_printk(KERN_ERR, ha, 1794b3a271a9SManish Rangankar "%s: Unable to allocate dma buffer\n", __func__); 179513483730SMike Christie ret = -ENOMEM; 179613483730SMike Christie goto exit_conn_start; 1797b3a271a9SManish Rangankar } 1798b3a271a9SManish Rangankar 1799b3a271a9SManish Rangankar ret = qla4xxx_set_param_ddbentry(ha, ddb_entry, cls_conn, &mbx_sts); 1800b3a271a9SManish Rangankar if (ret) { 1801b3a271a9SManish Rangankar /* If iscsid is stopped and started then no need to do 1802b3a271a9SManish Rangankar * set param again since ddb state will be already 1803b3a271a9SManish Rangankar * active and FW does not allow set ddb to an 1804b3a271a9SManish Rangankar * active session. 1805b3a271a9SManish Rangankar */ 1806b3a271a9SManish Rangankar if (mbx_sts) 1807b3a271a9SManish Rangankar if (ddb_entry->fw_ddb_device_state == 1808f922da79SManish Rangankar DDB_DS_SESSION_ACTIVE) { 180913483730SMike Christie ddb_entry->unblock_sess(ddb_entry->sess); 1810b3a271a9SManish Rangankar goto exit_set_param; 1811f922da79SManish Rangankar } 1812b3a271a9SManish Rangankar 1813b3a271a9SManish Rangankar ql4_printk(KERN_ERR, ha, "%s: Failed set param for index[%d]\n", 1814b3a271a9SManish Rangankar __func__, ddb_entry->fw_ddb_index); 1815b3a271a9SManish Rangankar goto exit_conn_start; 1816b3a271a9SManish Rangankar } 1817b3a271a9SManish Rangankar 1818b3a271a9SManish Rangankar status = qla4xxx_conn_open(ha, ddb_entry->fw_ddb_index); 1819b3a271a9SManish Rangankar if (status == QLA_ERROR) { 18200e7e8501SManish Rangankar ql4_printk(KERN_ERR, ha, "%s: Login failed: %s\n", __func__, 18210e7e8501SManish Rangankar sess->targetname); 1822b3a271a9SManish Rangankar ret = -EINVAL; 1823b3a271a9SManish Rangankar goto exit_conn_start; 1824b3a271a9SManish Rangankar } 1825b3a271a9SManish Rangankar 182698270ab4SManish Rangankar if (ddb_entry->fw_ddb_device_state == DDB_DS_NO_CONNECTION_ACTIVE) 1827b3a271a9SManish Rangankar ddb_entry->fw_ddb_device_state = DDB_DS_LOGIN_IN_PROCESS; 1828b3a271a9SManish Rangankar 182998270ab4SManish Rangankar DEBUG2(printk(KERN_INFO "%s: DDB state [%d]\n", __func__, 183098270ab4SManish Rangankar ddb_entry->fw_ddb_device_state)); 183198270ab4SManish Rangankar 1832b3a271a9SManish Rangankar exit_set_param: 1833b3a271a9SManish Rangankar ret = 0; 1834b3a271a9SManish Rangankar 1835b3a271a9SManish Rangankar exit_conn_start: 183613483730SMike Christie if (fw_ddb_entry) 1837b3a271a9SManish Rangankar dma_free_coherent(&ha->pdev->dev, sizeof(*fw_ddb_entry), 1838b3a271a9SManish Rangankar fw_ddb_entry, fw_ddb_entry_dma); 1839b3a271a9SManish Rangankar return ret; 1840b3a271a9SManish Rangankar } 1841b3a271a9SManish Rangankar 1842b3a271a9SManish Rangankar static void qla4xxx_conn_destroy(struct iscsi_cls_conn *cls_conn) 1843b3a271a9SManish Rangankar { 1844b3a271a9SManish Rangankar struct iscsi_cls_session *cls_sess = iscsi_conn_to_session(cls_conn); 1845b3a271a9SManish Rangankar struct iscsi_session *sess; 1846b3a271a9SManish Rangankar struct scsi_qla_host *ha; 1847b3a271a9SManish Rangankar struct ddb_entry *ddb_entry; 1848b3a271a9SManish Rangankar int options; 1849b3a271a9SManish Rangankar 1850b3a271a9SManish Rangankar DEBUG2(printk(KERN_INFO "Func: %s\n", __func__)); 1851b3a271a9SManish Rangankar sess = cls_sess->dd_data; 1852b3a271a9SManish Rangankar ddb_entry = sess->dd_data; 1853b3a271a9SManish Rangankar ha = ddb_entry->ha; 1854b3a271a9SManish Rangankar 1855b3a271a9SManish Rangankar options = LOGOUT_OPTION_CLOSE_SESSION; 1856b3a271a9SManish Rangankar if (qla4xxx_session_logout_ddb(ha, ddb_entry, options) == QLA_ERROR) 1857b3a271a9SManish Rangankar ql4_printk(KERN_ERR, ha, "%s: Logout failed\n", __func__); 1858b3a271a9SManish Rangankar } 1859b3a271a9SManish Rangankar 1860b3a271a9SManish Rangankar static void qla4xxx_task_work(struct work_struct *wdata) 1861b3a271a9SManish Rangankar { 1862b3a271a9SManish Rangankar struct ql4_task_data *task_data; 1863b3a271a9SManish Rangankar struct scsi_qla_host *ha; 1864b3a271a9SManish Rangankar struct passthru_status *sts; 1865b3a271a9SManish Rangankar struct iscsi_task *task; 1866b3a271a9SManish Rangankar struct iscsi_hdr *hdr; 1867b3a271a9SManish Rangankar uint8_t *data; 1868b3a271a9SManish Rangankar uint32_t data_len; 1869b3a271a9SManish Rangankar struct iscsi_conn *conn; 1870b3a271a9SManish Rangankar int hdr_len; 1871b3a271a9SManish Rangankar itt_t itt; 1872b3a271a9SManish Rangankar 1873b3a271a9SManish Rangankar task_data = container_of(wdata, struct ql4_task_data, task_work); 1874b3a271a9SManish Rangankar ha = task_data->ha; 1875b3a271a9SManish Rangankar task = task_data->task; 1876b3a271a9SManish Rangankar sts = &task_data->sts; 1877b3a271a9SManish Rangankar hdr_len = sizeof(struct iscsi_hdr); 1878b3a271a9SManish Rangankar 1879b3a271a9SManish Rangankar DEBUG3(printk(KERN_INFO "Status returned\n")); 1880b3a271a9SManish Rangankar DEBUG3(qla4xxx_dump_buffer(sts, 64)); 1881b3a271a9SManish Rangankar DEBUG3(printk(KERN_INFO "Response buffer")); 1882b3a271a9SManish Rangankar DEBUG3(qla4xxx_dump_buffer(task_data->resp_buffer, 64)); 1883b3a271a9SManish Rangankar 1884b3a271a9SManish Rangankar conn = task->conn; 1885b3a271a9SManish Rangankar 1886b3a271a9SManish Rangankar switch (sts->completionStatus) { 1887b3a271a9SManish Rangankar case PASSTHRU_STATUS_COMPLETE: 1888b3a271a9SManish Rangankar hdr = (struct iscsi_hdr *)task_data->resp_buffer; 1889b3a271a9SManish Rangankar /* Assign back the itt in hdr, until we use the PREASSIGN_TAG */ 1890b3a271a9SManish Rangankar itt = sts->handle; 1891b3a271a9SManish Rangankar hdr->itt = itt; 1892b3a271a9SManish Rangankar data = task_data->resp_buffer + hdr_len; 1893b3a271a9SManish Rangankar data_len = task_data->resp_len - hdr_len; 1894b3a271a9SManish Rangankar iscsi_complete_pdu(conn, hdr, data, data_len); 1895b3a271a9SManish Rangankar break; 1896b3a271a9SManish Rangankar default: 1897b3a271a9SManish Rangankar ql4_printk(KERN_ERR, ha, "Passthru failed status = 0x%x\n", 1898b3a271a9SManish Rangankar sts->completionStatus); 1899b3a271a9SManish Rangankar break; 1900b3a271a9SManish Rangankar } 1901b3a271a9SManish Rangankar return; 1902b3a271a9SManish Rangankar } 1903b3a271a9SManish Rangankar 1904b3a271a9SManish Rangankar static int qla4xxx_alloc_pdu(struct iscsi_task *task, uint8_t opcode) 1905b3a271a9SManish Rangankar { 1906b3a271a9SManish Rangankar struct ql4_task_data *task_data; 1907b3a271a9SManish Rangankar struct iscsi_session *sess; 1908b3a271a9SManish Rangankar struct ddb_entry *ddb_entry; 1909b3a271a9SManish Rangankar struct scsi_qla_host *ha; 1910b3a271a9SManish Rangankar int hdr_len; 1911b3a271a9SManish Rangankar 1912b3a271a9SManish Rangankar sess = task->conn->session; 1913b3a271a9SManish Rangankar ddb_entry = sess->dd_data; 1914b3a271a9SManish Rangankar ha = ddb_entry->ha; 1915b3a271a9SManish Rangankar task_data = task->dd_data; 1916b3a271a9SManish Rangankar memset(task_data, 0, sizeof(struct ql4_task_data)); 1917b3a271a9SManish Rangankar 1918b3a271a9SManish Rangankar if (task->sc) { 1919b3a271a9SManish Rangankar ql4_printk(KERN_INFO, ha, 1920b3a271a9SManish Rangankar "%s: SCSI Commands not implemented\n", __func__); 1921b3a271a9SManish Rangankar return -EINVAL; 1922b3a271a9SManish Rangankar } 1923b3a271a9SManish Rangankar 1924b3a271a9SManish Rangankar hdr_len = sizeof(struct iscsi_hdr); 1925b3a271a9SManish Rangankar task_data->ha = ha; 1926b3a271a9SManish Rangankar task_data->task = task; 1927b3a271a9SManish Rangankar 1928b3a271a9SManish Rangankar if (task->data_count) { 1929b3a271a9SManish Rangankar task_data->data_dma = dma_map_single(&ha->pdev->dev, task->data, 1930b3a271a9SManish Rangankar task->data_count, 1931b3a271a9SManish Rangankar PCI_DMA_TODEVICE); 1932b3a271a9SManish Rangankar } 1933b3a271a9SManish Rangankar 1934b3a271a9SManish Rangankar DEBUG2(ql4_printk(KERN_INFO, ha, "%s: MaxRecvLen %u, iscsi hrd %d\n", 1935b3a271a9SManish Rangankar __func__, task->conn->max_recv_dlength, hdr_len)); 1936b3a271a9SManish Rangankar 193769ca216eSManish Rangankar task_data->resp_len = task->conn->max_recv_dlength + hdr_len; 1938b3a271a9SManish Rangankar task_data->resp_buffer = dma_alloc_coherent(&ha->pdev->dev, 1939b3a271a9SManish Rangankar task_data->resp_len, 1940b3a271a9SManish Rangankar &task_data->resp_dma, 1941b3a271a9SManish Rangankar GFP_ATOMIC); 1942b3a271a9SManish Rangankar if (!task_data->resp_buffer) 1943b3a271a9SManish Rangankar goto exit_alloc_pdu; 1944b3a271a9SManish Rangankar 194569ca216eSManish Rangankar task_data->req_len = task->data_count + hdr_len; 1946b3a271a9SManish Rangankar task_data->req_buffer = dma_alloc_coherent(&ha->pdev->dev, 194769ca216eSManish Rangankar task_data->req_len, 1948b3a271a9SManish Rangankar &task_data->req_dma, 1949b3a271a9SManish Rangankar GFP_ATOMIC); 1950b3a271a9SManish Rangankar if (!task_data->req_buffer) 1951b3a271a9SManish Rangankar goto exit_alloc_pdu; 1952b3a271a9SManish Rangankar 1953b3a271a9SManish Rangankar task->hdr = task_data->req_buffer; 1954b3a271a9SManish Rangankar 1955b3a271a9SManish Rangankar INIT_WORK(&task_data->task_work, qla4xxx_task_work); 1956b3a271a9SManish Rangankar 1957b3a271a9SManish Rangankar return 0; 1958b3a271a9SManish Rangankar 1959b3a271a9SManish Rangankar exit_alloc_pdu: 1960b3a271a9SManish Rangankar if (task_data->resp_buffer) 1961b3a271a9SManish Rangankar dma_free_coherent(&ha->pdev->dev, task_data->resp_len, 1962b3a271a9SManish Rangankar task_data->resp_buffer, task_data->resp_dma); 1963b3a271a9SManish Rangankar 1964b3a271a9SManish Rangankar if (task_data->req_buffer) 196569ca216eSManish Rangankar dma_free_coherent(&ha->pdev->dev, task_data->req_len, 1966b3a271a9SManish Rangankar task_data->req_buffer, task_data->req_dma); 1967b3a271a9SManish Rangankar return -ENOMEM; 1968b3a271a9SManish Rangankar } 1969b3a271a9SManish Rangankar 1970b3a271a9SManish Rangankar static void qla4xxx_task_cleanup(struct iscsi_task *task) 1971b3a271a9SManish Rangankar { 1972b3a271a9SManish Rangankar struct ql4_task_data *task_data; 1973b3a271a9SManish Rangankar struct iscsi_session *sess; 1974b3a271a9SManish Rangankar struct ddb_entry *ddb_entry; 1975b3a271a9SManish Rangankar struct scsi_qla_host *ha; 1976b3a271a9SManish Rangankar int hdr_len; 1977b3a271a9SManish Rangankar 1978b3a271a9SManish Rangankar hdr_len = sizeof(struct iscsi_hdr); 1979b3a271a9SManish Rangankar sess = task->conn->session; 1980b3a271a9SManish Rangankar ddb_entry = sess->dd_data; 1981b3a271a9SManish Rangankar ha = ddb_entry->ha; 1982b3a271a9SManish Rangankar task_data = task->dd_data; 1983b3a271a9SManish Rangankar 1984b3a271a9SManish Rangankar if (task->data_count) { 1985b3a271a9SManish Rangankar dma_unmap_single(&ha->pdev->dev, task_data->data_dma, 1986b3a271a9SManish Rangankar task->data_count, PCI_DMA_TODEVICE); 1987b3a271a9SManish Rangankar } 1988b3a271a9SManish Rangankar 1989b3a271a9SManish Rangankar DEBUG2(ql4_printk(KERN_INFO, ha, "%s: MaxRecvLen %u, iscsi hrd %d\n", 1990b3a271a9SManish Rangankar __func__, task->conn->max_recv_dlength, hdr_len)); 1991b3a271a9SManish Rangankar 1992b3a271a9SManish Rangankar dma_free_coherent(&ha->pdev->dev, task_data->resp_len, 1993b3a271a9SManish Rangankar task_data->resp_buffer, task_data->resp_dma); 199469ca216eSManish Rangankar dma_free_coherent(&ha->pdev->dev, task_data->req_len, 1995b3a271a9SManish Rangankar task_data->req_buffer, task_data->req_dma); 1996b3a271a9SManish Rangankar return; 1997b3a271a9SManish Rangankar } 1998b3a271a9SManish Rangankar 1999b3a271a9SManish Rangankar static int qla4xxx_task_xmit(struct iscsi_task *task) 2000b3a271a9SManish Rangankar { 2001b3a271a9SManish Rangankar struct scsi_cmnd *sc = task->sc; 2002b3a271a9SManish Rangankar struct iscsi_session *sess = task->conn->session; 2003b3a271a9SManish Rangankar struct ddb_entry *ddb_entry = sess->dd_data; 2004b3a271a9SManish Rangankar struct scsi_qla_host *ha = ddb_entry->ha; 2005b3a271a9SManish Rangankar 2006b3a271a9SManish Rangankar if (!sc) 2007b3a271a9SManish Rangankar return qla4xxx_send_passthru0(task); 2008b3a271a9SManish Rangankar 2009b3a271a9SManish Rangankar ql4_printk(KERN_INFO, ha, "%s: scsi cmd xmit not implemented\n", 2010b3a271a9SManish Rangankar __func__); 2011b3a271a9SManish Rangankar return -ENOSYS; 2012b3a271a9SManish Rangankar } 2013b3a271a9SManish Rangankar 20141e9e2be3SAdheer Chandravanshi static int qla4xxx_copy_from_fwddb_param(struct iscsi_bus_flash_session *sess, 20151e9e2be3SAdheer Chandravanshi struct iscsi_bus_flash_conn *conn, 20161e9e2be3SAdheer Chandravanshi struct dev_db_entry *fw_ddb_entry) 20171e9e2be3SAdheer Chandravanshi { 20181e9e2be3SAdheer Chandravanshi unsigned long options = 0; 20191e9e2be3SAdheer Chandravanshi int rc = 0; 20201e9e2be3SAdheer Chandravanshi 20211e9e2be3SAdheer Chandravanshi options = le16_to_cpu(fw_ddb_entry->options); 20221e9e2be3SAdheer Chandravanshi conn->is_fw_assigned_ipv6 = test_bit(OPT_IS_FW_ASSIGNED_IPV6, &options); 20231e9e2be3SAdheer Chandravanshi if (test_bit(OPT_IPV6_DEVICE, &options)) { 20241e9e2be3SAdheer Chandravanshi rc = iscsi_switch_str_param(&sess->portal_type, DEV_TYPE_IPV6); 20251e9e2be3SAdheer Chandravanshi if (rc) 20261e9e2be3SAdheer Chandravanshi goto exit_copy; 20271e9e2be3SAdheer Chandravanshi } else { 20281e9e2be3SAdheer Chandravanshi rc = iscsi_switch_str_param(&sess->portal_type, DEV_TYPE_IPV4); 20291e9e2be3SAdheer Chandravanshi if (rc) 20301e9e2be3SAdheer Chandravanshi goto exit_copy; 20311e9e2be3SAdheer Chandravanshi } 20321e9e2be3SAdheer Chandravanshi 20331e9e2be3SAdheer Chandravanshi sess->auto_snd_tgt_disable = test_bit(OPT_AUTO_SENDTGTS_DISABLE, 20341e9e2be3SAdheer Chandravanshi &options); 20351e9e2be3SAdheer Chandravanshi sess->discovery_sess = test_bit(OPT_DISC_SESSION, &options); 20361e9e2be3SAdheer Chandravanshi sess->entry_state = test_bit(OPT_ENTRY_STATE, &options); 20371e9e2be3SAdheer Chandravanshi 20381e9e2be3SAdheer Chandravanshi options = le16_to_cpu(fw_ddb_entry->iscsi_options); 20391e9e2be3SAdheer Chandravanshi conn->hdrdgst_en = test_bit(ISCSIOPT_HEADER_DIGEST_EN, &options); 20401e9e2be3SAdheer Chandravanshi conn->datadgst_en = test_bit(ISCSIOPT_DATA_DIGEST_EN, &options); 20411e9e2be3SAdheer Chandravanshi sess->imm_data_en = test_bit(ISCSIOPT_IMMEDIATE_DATA_EN, &options); 20421e9e2be3SAdheer Chandravanshi sess->initial_r2t_en = test_bit(ISCSIOPT_INITIAL_R2T_EN, &options); 20431e9e2be3SAdheer Chandravanshi sess->dataseq_inorder_en = test_bit(ISCSIOPT_DATA_SEQ_IN_ORDER, 20441e9e2be3SAdheer Chandravanshi &options); 20451e9e2be3SAdheer Chandravanshi sess->pdu_inorder_en = test_bit(ISCSIOPT_DATA_PDU_IN_ORDER, &options); 20461e9e2be3SAdheer Chandravanshi sess->chap_auth_en = test_bit(ISCSIOPT_CHAP_AUTH_EN, &options); 20471e9e2be3SAdheer Chandravanshi conn->snack_req_en = test_bit(ISCSIOPT_SNACK_REQ_EN, &options); 20481e9e2be3SAdheer Chandravanshi sess->discovery_logout_en = test_bit(ISCSIOPT_DISCOVERY_LOGOUT_EN, 20491e9e2be3SAdheer Chandravanshi &options); 20501e9e2be3SAdheer Chandravanshi sess->bidi_chap_en = test_bit(ISCSIOPT_BIDI_CHAP_EN, &options); 20511e9e2be3SAdheer Chandravanshi sess->discovery_auth_optional = 20521e9e2be3SAdheer Chandravanshi test_bit(ISCSIOPT_DISCOVERY_AUTH_OPTIONAL, &options); 20531e9e2be3SAdheer Chandravanshi if (test_bit(ISCSIOPT_ERL1, &options)) 20541e9e2be3SAdheer Chandravanshi sess->erl |= BIT_1; 20551e9e2be3SAdheer Chandravanshi if (test_bit(ISCSIOPT_ERL0, &options)) 20561e9e2be3SAdheer Chandravanshi sess->erl |= BIT_0; 20571e9e2be3SAdheer Chandravanshi 20581e9e2be3SAdheer Chandravanshi options = le16_to_cpu(fw_ddb_entry->tcp_options); 20591e9e2be3SAdheer Chandravanshi conn->tcp_timestamp_stat = test_bit(TCPOPT_TIMESTAMP_STAT, &options); 20601e9e2be3SAdheer Chandravanshi conn->tcp_nagle_disable = test_bit(TCPOPT_NAGLE_DISABLE, &options); 20611e9e2be3SAdheer Chandravanshi conn->tcp_wsf_disable = test_bit(TCPOPT_WSF_DISABLE, &options); 20621e9e2be3SAdheer Chandravanshi if (test_bit(TCPOPT_TIMER_SCALE3, &options)) 20631e9e2be3SAdheer Chandravanshi conn->tcp_timer_scale |= BIT_3; 20641e9e2be3SAdheer Chandravanshi if (test_bit(TCPOPT_TIMER_SCALE2, &options)) 20651e9e2be3SAdheer Chandravanshi conn->tcp_timer_scale |= BIT_2; 20661e9e2be3SAdheer Chandravanshi if (test_bit(TCPOPT_TIMER_SCALE1, &options)) 20671e9e2be3SAdheer Chandravanshi conn->tcp_timer_scale |= BIT_1; 20681e9e2be3SAdheer Chandravanshi 20691e9e2be3SAdheer Chandravanshi conn->tcp_timer_scale >>= 1; 20701e9e2be3SAdheer Chandravanshi conn->tcp_timestamp_en = test_bit(TCPOPT_TIMESTAMP_EN, &options); 20711e9e2be3SAdheer Chandravanshi 20721e9e2be3SAdheer Chandravanshi options = le16_to_cpu(fw_ddb_entry->ip_options); 20731e9e2be3SAdheer Chandravanshi conn->fragment_disable = test_bit(IPOPT_FRAGMENT_DISABLE, &options); 20741e9e2be3SAdheer Chandravanshi 20751e9e2be3SAdheer Chandravanshi conn->max_recv_dlength = BYTE_UNITS * 20761e9e2be3SAdheer Chandravanshi le16_to_cpu(fw_ddb_entry->iscsi_max_rcv_data_seg_len); 20771e9e2be3SAdheer Chandravanshi conn->max_xmit_dlength = BYTE_UNITS * 20781e9e2be3SAdheer Chandravanshi le16_to_cpu(fw_ddb_entry->iscsi_max_snd_data_seg_len); 20791e9e2be3SAdheer Chandravanshi sess->first_burst = BYTE_UNITS * 20801e9e2be3SAdheer Chandravanshi le16_to_cpu(fw_ddb_entry->iscsi_first_burst_len); 20811e9e2be3SAdheer Chandravanshi sess->max_burst = BYTE_UNITS * 20821e9e2be3SAdheer Chandravanshi le16_to_cpu(fw_ddb_entry->iscsi_max_burst_len); 20831e9e2be3SAdheer Chandravanshi sess->max_r2t = le16_to_cpu(fw_ddb_entry->iscsi_max_outsnd_r2t); 20841e9e2be3SAdheer Chandravanshi sess->time2wait = le16_to_cpu(fw_ddb_entry->iscsi_def_time2wait); 20851e9e2be3SAdheer Chandravanshi sess->time2retain = le16_to_cpu(fw_ddb_entry->iscsi_def_time2retain); 20861e9e2be3SAdheer Chandravanshi sess->tpgt = le32_to_cpu(fw_ddb_entry->tgt_portal_grp); 20871e9e2be3SAdheer Chandravanshi conn->max_segment_size = le16_to_cpu(fw_ddb_entry->mss); 20881e9e2be3SAdheer Chandravanshi conn->tcp_xmit_wsf = fw_ddb_entry->tcp_xmt_wsf; 20891e9e2be3SAdheer Chandravanshi conn->tcp_recv_wsf = fw_ddb_entry->tcp_rcv_wsf; 20901e9e2be3SAdheer Chandravanshi conn->ipv6_flow_label = le16_to_cpu(fw_ddb_entry->ipv6_flow_lbl); 20911e9e2be3SAdheer Chandravanshi conn->keepalive_timeout = le16_to_cpu(fw_ddb_entry->ka_timeout); 20921e9e2be3SAdheer Chandravanshi conn->local_port = le16_to_cpu(fw_ddb_entry->lcl_port); 20931e9e2be3SAdheer Chandravanshi conn->statsn = le32_to_cpu(fw_ddb_entry->stat_sn); 20941e9e2be3SAdheer Chandravanshi conn->exp_statsn = le32_to_cpu(fw_ddb_entry->exp_stat_sn); 20951e9e2be3SAdheer Chandravanshi sess->discovery_parent_idx = le16_to_cpu(fw_ddb_entry->ddb_link); 20961e9e2be3SAdheer Chandravanshi sess->discovery_parent_type = le16_to_cpu(fw_ddb_entry->ddb_link); 20971e9e2be3SAdheer Chandravanshi sess->chap_out_idx = le16_to_cpu(fw_ddb_entry->chap_tbl_idx); 20981e9e2be3SAdheer Chandravanshi sess->tsid = le16_to_cpu(fw_ddb_entry->tsid); 20991e9e2be3SAdheer Chandravanshi 21001e9e2be3SAdheer Chandravanshi sess->default_taskmgmt_timeout = 21011e9e2be3SAdheer Chandravanshi le16_to_cpu(fw_ddb_entry->def_timeout); 21021e9e2be3SAdheer Chandravanshi conn->port = le16_to_cpu(fw_ddb_entry->port); 21031e9e2be3SAdheer Chandravanshi 21041e9e2be3SAdheer Chandravanshi options = le16_to_cpu(fw_ddb_entry->options); 21051e9e2be3SAdheer Chandravanshi conn->ipaddress = kzalloc(IPv6_ADDR_LEN, GFP_KERNEL); 21061e9e2be3SAdheer Chandravanshi if (!conn->ipaddress) { 21071e9e2be3SAdheer Chandravanshi rc = -ENOMEM; 21081e9e2be3SAdheer Chandravanshi goto exit_copy; 21091e9e2be3SAdheer Chandravanshi } 21101e9e2be3SAdheer Chandravanshi 21111e9e2be3SAdheer Chandravanshi conn->redirect_ipaddr = kzalloc(IPv6_ADDR_LEN, GFP_KERNEL); 21121e9e2be3SAdheer Chandravanshi if (!conn->redirect_ipaddr) { 21131e9e2be3SAdheer Chandravanshi rc = -ENOMEM; 21141e9e2be3SAdheer Chandravanshi goto exit_copy; 21151e9e2be3SAdheer Chandravanshi } 21161e9e2be3SAdheer Chandravanshi 21171e9e2be3SAdheer Chandravanshi memcpy(conn->ipaddress, fw_ddb_entry->ip_addr, IPv6_ADDR_LEN); 21181e9e2be3SAdheer Chandravanshi memcpy(conn->redirect_ipaddr, fw_ddb_entry->tgt_addr, IPv6_ADDR_LEN); 21191e9e2be3SAdheer Chandravanshi 21201e9e2be3SAdheer Chandravanshi if (test_bit(OPT_IPV6_DEVICE, &options)) { 21211e9e2be3SAdheer Chandravanshi conn->ipv6_traffic_class = fw_ddb_entry->ipv4_tos; 21221e9e2be3SAdheer Chandravanshi 21231e9e2be3SAdheer Chandravanshi conn->link_local_ipv6_addr = kzalloc(IPv6_ADDR_LEN, GFP_KERNEL); 21241e9e2be3SAdheer Chandravanshi if (!conn->link_local_ipv6_addr) { 21251e9e2be3SAdheer Chandravanshi rc = -ENOMEM; 21261e9e2be3SAdheer Chandravanshi goto exit_copy; 21271e9e2be3SAdheer Chandravanshi } 21281e9e2be3SAdheer Chandravanshi 21291e9e2be3SAdheer Chandravanshi memcpy(conn->link_local_ipv6_addr, 21301e9e2be3SAdheer Chandravanshi fw_ddb_entry->link_local_ipv6_addr, IPv6_ADDR_LEN); 21311e9e2be3SAdheer Chandravanshi } else { 21321e9e2be3SAdheer Chandravanshi conn->ipv4_tos = fw_ddb_entry->ipv4_tos; 21331e9e2be3SAdheer Chandravanshi } 21341e9e2be3SAdheer Chandravanshi 21351e9e2be3SAdheer Chandravanshi if (fw_ddb_entry->iscsi_name[0]) { 21361e9e2be3SAdheer Chandravanshi rc = iscsi_switch_str_param(&sess->targetname, 21371e9e2be3SAdheer Chandravanshi (char *)fw_ddb_entry->iscsi_name); 21381e9e2be3SAdheer Chandravanshi if (rc) 21391e9e2be3SAdheer Chandravanshi goto exit_copy; 21401e9e2be3SAdheer Chandravanshi } 21411e9e2be3SAdheer Chandravanshi 21421e9e2be3SAdheer Chandravanshi if (fw_ddb_entry->iscsi_alias[0]) { 21431e9e2be3SAdheer Chandravanshi rc = iscsi_switch_str_param(&sess->targetalias, 21441e9e2be3SAdheer Chandravanshi (char *)fw_ddb_entry->iscsi_alias); 21451e9e2be3SAdheer Chandravanshi if (rc) 21461e9e2be3SAdheer Chandravanshi goto exit_copy; 21471e9e2be3SAdheer Chandravanshi } 21481e9e2be3SAdheer Chandravanshi 21491e9e2be3SAdheer Chandravanshi COPY_ISID(sess->isid, fw_ddb_entry->isid); 21501e9e2be3SAdheer Chandravanshi 21511e9e2be3SAdheer Chandravanshi exit_copy: 21521e9e2be3SAdheer Chandravanshi return rc; 21531e9e2be3SAdheer Chandravanshi } 21541e9e2be3SAdheer Chandravanshi 21551e9e2be3SAdheer Chandravanshi static int qla4xxx_copy_to_fwddb_param(struct iscsi_bus_flash_session *sess, 21561e9e2be3SAdheer Chandravanshi struct iscsi_bus_flash_conn *conn, 21571e9e2be3SAdheer Chandravanshi struct dev_db_entry *fw_ddb_entry) 21581e9e2be3SAdheer Chandravanshi { 21591e9e2be3SAdheer Chandravanshi uint16_t options; 21601e9e2be3SAdheer Chandravanshi int rc = 0; 21611e9e2be3SAdheer Chandravanshi 21621e9e2be3SAdheer Chandravanshi options = le16_to_cpu(fw_ddb_entry->options); 21631e9e2be3SAdheer Chandravanshi SET_BITVAL(conn->is_fw_assigned_ipv6, options, BIT_11); 21641e9e2be3SAdheer Chandravanshi if (!strncmp(sess->portal_type, DEV_TYPE_IPV6, 4)) 21651e9e2be3SAdheer Chandravanshi options |= BIT_8; 21661e9e2be3SAdheer Chandravanshi else 21671e9e2be3SAdheer Chandravanshi options &= ~BIT_8; 21681e9e2be3SAdheer Chandravanshi 21691e9e2be3SAdheer Chandravanshi SET_BITVAL(sess->auto_snd_tgt_disable, options, BIT_6); 21701e9e2be3SAdheer Chandravanshi SET_BITVAL(sess->discovery_sess, options, BIT_4); 21711e9e2be3SAdheer Chandravanshi SET_BITVAL(sess->entry_state, options, BIT_3); 21721e9e2be3SAdheer Chandravanshi fw_ddb_entry->options = cpu_to_le16(options); 21731e9e2be3SAdheer Chandravanshi 21741e9e2be3SAdheer Chandravanshi options = le16_to_cpu(fw_ddb_entry->iscsi_options); 21751e9e2be3SAdheer Chandravanshi SET_BITVAL(conn->hdrdgst_en, options, BIT_13); 21761e9e2be3SAdheer Chandravanshi SET_BITVAL(conn->datadgst_en, options, BIT_12); 21771e9e2be3SAdheer Chandravanshi SET_BITVAL(sess->imm_data_en, options, BIT_11); 21781e9e2be3SAdheer Chandravanshi SET_BITVAL(sess->initial_r2t_en, options, BIT_10); 21791e9e2be3SAdheer Chandravanshi SET_BITVAL(sess->dataseq_inorder_en, options, BIT_9); 21801e9e2be3SAdheer Chandravanshi SET_BITVAL(sess->pdu_inorder_en, options, BIT_8); 21811e9e2be3SAdheer Chandravanshi SET_BITVAL(sess->chap_auth_en, options, BIT_7); 21821e9e2be3SAdheer Chandravanshi SET_BITVAL(conn->snack_req_en, options, BIT_6); 21831e9e2be3SAdheer Chandravanshi SET_BITVAL(sess->discovery_logout_en, options, BIT_5); 21841e9e2be3SAdheer Chandravanshi SET_BITVAL(sess->bidi_chap_en, options, BIT_4); 21851e9e2be3SAdheer Chandravanshi SET_BITVAL(sess->discovery_auth_optional, options, BIT_3); 21861e9e2be3SAdheer Chandravanshi SET_BITVAL(sess->erl & BIT_1, options, BIT_1); 21871e9e2be3SAdheer Chandravanshi SET_BITVAL(sess->erl & BIT_0, options, BIT_0); 21881e9e2be3SAdheer Chandravanshi fw_ddb_entry->iscsi_options = cpu_to_le16(options); 21891e9e2be3SAdheer Chandravanshi 21901e9e2be3SAdheer Chandravanshi options = le16_to_cpu(fw_ddb_entry->tcp_options); 21911e9e2be3SAdheer Chandravanshi SET_BITVAL(conn->tcp_timestamp_stat, options, BIT_6); 21921e9e2be3SAdheer Chandravanshi SET_BITVAL(conn->tcp_nagle_disable, options, BIT_5); 21931e9e2be3SAdheer Chandravanshi SET_BITVAL(conn->tcp_wsf_disable, options, BIT_4); 21941e9e2be3SAdheer Chandravanshi SET_BITVAL(conn->tcp_timer_scale & BIT_2, options, BIT_3); 21951e9e2be3SAdheer Chandravanshi SET_BITVAL(conn->tcp_timer_scale & BIT_1, options, BIT_2); 21961e9e2be3SAdheer Chandravanshi SET_BITVAL(conn->tcp_timer_scale & BIT_0, options, BIT_1); 21971e9e2be3SAdheer Chandravanshi SET_BITVAL(conn->tcp_timestamp_en, options, BIT_0); 21981e9e2be3SAdheer Chandravanshi fw_ddb_entry->tcp_options = cpu_to_le16(options); 21991e9e2be3SAdheer Chandravanshi 22001e9e2be3SAdheer Chandravanshi options = le16_to_cpu(fw_ddb_entry->ip_options); 22011e9e2be3SAdheer Chandravanshi SET_BITVAL(conn->fragment_disable, options, BIT_4); 22021e9e2be3SAdheer Chandravanshi fw_ddb_entry->ip_options = cpu_to_le16(options); 22031e9e2be3SAdheer Chandravanshi 22041e9e2be3SAdheer Chandravanshi fw_ddb_entry->iscsi_max_outsnd_r2t = cpu_to_le16(sess->max_r2t); 22051e9e2be3SAdheer Chandravanshi fw_ddb_entry->iscsi_max_rcv_data_seg_len = 22061e9e2be3SAdheer Chandravanshi cpu_to_le16(conn->max_recv_dlength / BYTE_UNITS); 22071e9e2be3SAdheer Chandravanshi fw_ddb_entry->iscsi_max_snd_data_seg_len = 22081e9e2be3SAdheer Chandravanshi cpu_to_le16(conn->max_xmit_dlength / BYTE_UNITS); 22091e9e2be3SAdheer Chandravanshi fw_ddb_entry->iscsi_first_burst_len = 22101e9e2be3SAdheer Chandravanshi cpu_to_le16(sess->first_burst / BYTE_UNITS); 22111e9e2be3SAdheer Chandravanshi fw_ddb_entry->iscsi_max_burst_len = cpu_to_le16(sess->max_burst / 22121e9e2be3SAdheer Chandravanshi BYTE_UNITS); 22131e9e2be3SAdheer Chandravanshi fw_ddb_entry->iscsi_def_time2wait = cpu_to_le16(sess->time2wait); 22141e9e2be3SAdheer Chandravanshi fw_ddb_entry->iscsi_def_time2retain = cpu_to_le16(sess->time2retain); 22151e9e2be3SAdheer Chandravanshi fw_ddb_entry->tgt_portal_grp = cpu_to_le16(sess->tpgt); 22161e9e2be3SAdheer Chandravanshi fw_ddb_entry->mss = cpu_to_le16(conn->max_segment_size); 22171e9e2be3SAdheer Chandravanshi fw_ddb_entry->tcp_xmt_wsf = cpu_to_le16(conn->tcp_xmit_wsf); 22181e9e2be3SAdheer Chandravanshi fw_ddb_entry->tcp_rcv_wsf = cpu_to_le16(conn->tcp_recv_wsf); 22191e9e2be3SAdheer Chandravanshi fw_ddb_entry->ipv4_tos = conn->ipv4_tos; 22201e9e2be3SAdheer Chandravanshi fw_ddb_entry->ipv6_flow_lbl = cpu_to_le16(conn->ipv6_flow_label); 22211e9e2be3SAdheer Chandravanshi fw_ddb_entry->ka_timeout = cpu_to_le16(conn->keepalive_timeout); 22221e9e2be3SAdheer Chandravanshi fw_ddb_entry->lcl_port = cpu_to_le16(conn->local_port); 22231e9e2be3SAdheer Chandravanshi fw_ddb_entry->stat_sn = cpu_to_le16(conn->statsn); 22241e9e2be3SAdheer Chandravanshi fw_ddb_entry->exp_stat_sn = cpu_to_le16(conn->exp_statsn); 22251e9e2be3SAdheer Chandravanshi fw_ddb_entry->ddb_link = cpu_to_le16(sess->discovery_parent_type); 22261e9e2be3SAdheer Chandravanshi fw_ddb_entry->chap_tbl_idx = cpu_to_le16(sess->chap_out_idx); 22271e9e2be3SAdheer Chandravanshi fw_ddb_entry->tsid = cpu_to_le16(sess->tsid); 22281e9e2be3SAdheer Chandravanshi fw_ddb_entry->port = cpu_to_le16(conn->port); 22291e9e2be3SAdheer Chandravanshi fw_ddb_entry->def_timeout = 22301e9e2be3SAdheer Chandravanshi cpu_to_le16(sess->default_taskmgmt_timeout); 22311e9e2be3SAdheer Chandravanshi 22321e9e2be3SAdheer Chandravanshi if (conn->ipaddress) 22331e9e2be3SAdheer Chandravanshi memcpy(fw_ddb_entry->ip_addr, conn->ipaddress, 22341e9e2be3SAdheer Chandravanshi sizeof(fw_ddb_entry->ip_addr)); 22351e9e2be3SAdheer Chandravanshi 22361e9e2be3SAdheer Chandravanshi if (conn->redirect_ipaddr) 22371e9e2be3SAdheer Chandravanshi memcpy(fw_ddb_entry->tgt_addr, conn->redirect_ipaddr, 22381e9e2be3SAdheer Chandravanshi sizeof(fw_ddb_entry->tgt_addr)); 22391e9e2be3SAdheer Chandravanshi 22401e9e2be3SAdheer Chandravanshi if (conn->link_local_ipv6_addr) 22411e9e2be3SAdheer Chandravanshi memcpy(fw_ddb_entry->link_local_ipv6_addr, 22421e9e2be3SAdheer Chandravanshi conn->link_local_ipv6_addr, 22431e9e2be3SAdheer Chandravanshi sizeof(fw_ddb_entry->link_local_ipv6_addr)); 22441e9e2be3SAdheer Chandravanshi 22451e9e2be3SAdheer Chandravanshi if (sess->targetname) 22461e9e2be3SAdheer Chandravanshi memcpy(fw_ddb_entry->iscsi_name, sess->targetname, 22471e9e2be3SAdheer Chandravanshi sizeof(fw_ddb_entry->iscsi_name)); 22481e9e2be3SAdheer Chandravanshi 22491e9e2be3SAdheer Chandravanshi if (sess->targetalias) 22501e9e2be3SAdheer Chandravanshi memcpy(fw_ddb_entry->iscsi_alias, sess->targetalias, 22511e9e2be3SAdheer Chandravanshi sizeof(fw_ddb_entry->iscsi_alias)); 22521e9e2be3SAdheer Chandravanshi 22531e9e2be3SAdheer Chandravanshi COPY_ISID(fw_ddb_entry->isid, sess->isid); 22541e9e2be3SAdheer Chandravanshi 22551e9e2be3SAdheer Chandravanshi return rc; 22561e9e2be3SAdheer Chandravanshi } 22571e9e2be3SAdheer Chandravanshi 225813483730SMike Christie static void qla4xxx_copy_fwddb_param(struct scsi_qla_host *ha, 225913483730SMike Christie struct dev_db_entry *fw_ddb_entry, 226013483730SMike Christie struct iscsi_cls_session *cls_sess, 226113483730SMike Christie struct iscsi_cls_conn *cls_conn) 226213483730SMike Christie { 226313483730SMike Christie int buflen = 0; 226413483730SMike Christie struct iscsi_session *sess; 2265376738afSNilesh Javali struct ddb_entry *ddb_entry; 226613483730SMike Christie struct iscsi_conn *conn; 226713483730SMike Christie char ip_addr[DDB_IPADDR_LEN]; 226813483730SMike Christie uint16_t options = 0; 226913483730SMike Christie 227013483730SMike Christie sess = cls_sess->dd_data; 2271376738afSNilesh Javali ddb_entry = sess->dd_data; 227213483730SMike Christie conn = cls_conn->dd_data; 227313483730SMike Christie 2274376738afSNilesh Javali ddb_entry->chap_tbl_idx = le16_to_cpu(fw_ddb_entry->chap_tbl_idx); 2275376738afSNilesh Javali 227613483730SMike Christie conn->max_recv_dlength = BYTE_UNITS * 227713483730SMike Christie le16_to_cpu(fw_ddb_entry->iscsi_max_rcv_data_seg_len); 227813483730SMike Christie 227913483730SMike Christie conn->max_xmit_dlength = BYTE_UNITS * 228013483730SMike Christie le16_to_cpu(fw_ddb_entry->iscsi_max_snd_data_seg_len); 228113483730SMike Christie 228213483730SMike Christie sess->initial_r2t_en = 228313483730SMike Christie (BIT_10 & le16_to_cpu(fw_ddb_entry->iscsi_options)); 228413483730SMike Christie 228513483730SMike Christie sess->max_r2t = le16_to_cpu(fw_ddb_entry->iscsi_max_outsnd_r2t); 228613483730SMike Christie 228713483730SMike Christie sess->imm_data_en = (BIT_11 & le16_to_cpu(fw_ddb_entry->iscsi_options)); 228813483730SMike Christie 228913483730SMike Christie sess->first_burst = BYTE_UNITS * 229013483730SMike Christie le16_to_cpu(fw_ddb_entry->iscsi_first_burst_len); 229113483730SMike Christie 229213483730SMike Christie sess->max_burst = BYTE_UNITS * 229313483730SMike Christie le16_to_cpu(fw_ddb_entry->iscsi_max_burst_len); 229413483730SMike Christie 229513483730SMike Christie sess->time2wait = le16_to_cpu(fw_ddb_entry->iscsi_def_time2wait); 229613483730SMike Christie 229713483730SMike Christie sess->time2retain = le16_to_cpu(fw_ddb_entry->iscsi_def_time2retain); 229813483730SMike Christie 229913483730SMike Christie conn->persistent_port = le16_to_cpu(fw_ddb_entry->port); 230013483730SMike Christie 230113483730SMike Christie sess->tpgt = le32_to_cpu(fw_ddb_entry->tgt_portal_grp); 230213483730SMike Christie 230313483730SMike Christie options = le16_to_cpu(fw_ddb_entry->options); 230413483730SMike Christie if (options & DDB_OPT_IPV6_DEVICE) 230513483730SMike Christie sprintf(ip_addr, "%pI6", fw_ddb_entry->ip_addr); 230613483730SMike Christie else 230713483730SMike Christie sprintf(ip_addr, "%pI4", fw_ddb_entry->ip_addr); 230813483730SMike Christie 230913483730SMike Christie iscsi_set_param(cls_conn, ISCSI_PARAM_TARGET_NAME, 231013483730SMike Christie (char *)fw_ddb_entry->iscsi_name, buflen); 231113483730SMike Christie iscsi_set_param(cls_conn, ISCSI_PARAM_INITIATOR_NAME, 231213483730SMike Christie (char *)ha->name_string, buflen); 231313483730SMike Christie iscsi_set_param(cls_conn, ISCSI_PARAM_PERSISTENT_ADDRESS, 231413483730SMike Christie (char *)ip_addr, buflen); 23156c1b8789SVikas Chaudhary iscsi_set_param(cls_conn, ISCSI_PARAM_TARGET_ALIAS, 23166c1b8789SVikas Chaudhary (char *)fw_ddb_entry->iscsi_alias, buflen); 231713483730SMike Christie } 231813483730SMike Christie 231913483730SMike Christie void qla4xxx_update_session_conn_fwddb_param(struct scsi_qla_host *ha, 232013483730SMike Christie struct ddb_entry *ddb_entry) 232113483730SMike Christie { 232213483730SMike Christie struct iscsi_cls_session *cls_sess; 232313483730SMike Christie struct iscsi_cls_conn *cls_conn; 232413483730SMike Christie uint32_t ddb_state; 232513483730SMike Christie dma_addr_t fw_ddb_entry_dma; 232613483730SMike Christie struct dev_db_entry *fw_ddb_entry; 232713483730SMike Christie 232813483730SMike Christie fw_ddb_entry = dma_alloc_coherent(&ha->pdev->dev, sizeof(*fw_ddb_entry), 232913483730SMike Christie &fw_ddb_entry_dma, GFP_KERNEL); 233013483730SMike Christie if (!fw_ddb_entry) { 233113483730SMike Christie ql4_printk(KERN_ERR, ha, 233213483730SMike Christie "%s: Unable to allocate dma buffer\n", __func__); 233313483730SMike Christie goto exit_session_conn_fwddb_param; 233413483730SMike Christie } 233513483730SMike Christie 233613483730SMike Christie if (qla4xxx_get_fwddb_entry(ha, ddb_entry->fw_ddb_index, fw_ddb_entry, 233713483730SMike Christie fw_ddb_entry_dma, NULL, NULL, &ddb_state, 233813483730SMike Christie NULL, NULL, NULL) == QLA_ERROR) { 233913483730SMike Christie DEBUG2(ql4_printk(KERN_ERR, ha, "scsi%ld: %s: failed " 234013483730SMike Christie "get_ddb_entry for fw_ddb_index %d\n", 234113483730SMike Christie ha->host_no, __func__, 234213483730SMike Christie ddb_entry->fw_ddb_index)); 234313483730SMike Christie goto exit_session_conn_fwddb_param; 234413483730SMike Christie } 234513483730SMike Christie 234613483730SMike Christie cls_sess = ddb_entry->sess; 234713483730SMike Christie 234813483730SMike Christie cls_conn = ddb_entry->conn; 234913483730SMike Christie 235013483730SMike Christie /* Update params */ 235113483730SMike Christie qla4xxx_copy_fwddb_param(ha, fw_ddb_entry, cls_sess, cls_conn); 235213483730SMike Christie 235313483730SMike Christie exit_session_conn_fwddb_param: 235413483730SMike Christie if (fw_ddb_entry) 235513483730SMike Christie dma_free_coherent(&ha->pdev->dev, sizeof(*fw_ddb_entry), 235613483730SMike Christie fw_ddb_entry, fw_ddb_entry_dma); 235713483730SMike Christie } 235813483730SMike Christie 2359b3a271a9SManish Rangankar void qla4xxx_update_session_conn_param(struct scsi_qla_host *ha, 2360b3a271a9SManish Rangankar struct ddb_entry *ddb_entry) 2361b3a271a9SManish Rangankar { 2362b3a271a9SManish Rangankar struct iscsi_cls_session *cls_sess; 2363b3a271a9SManish Rangankar struct iscsi_cls_conn *cls_conn; 2364b3a271a9SManish Rangankar struct iscsi_session *sess; 2365b3a271a9SManish Rangankar struct iscsi_conn *conn; 2366b3a271a9SManish Rangankar uint32_t ddb_state; 2367b3a271a9SManish Rangankar dma_addr_t fw_ddb_entry_dma; 2368b3a271a9SManish Rangankar struct dev_db_entry *fw_ddb_entry; 2369b3a271a9SManish Rangankar 2370b3a271a9SManish Rangankar fw_ddb_entry = dma_alloc_coherent(&ha->pdev->dev, sizeof(*fw_ddb_entry), 2371b3a271a9SManish Rangankar &fw_ddb_entry_dma, GFP_KERNEL); 2372b3a271a9SManish Rangankar if (!fw_ddb_entry) { 2373b3a271a9SManish Rangankar ql4_printk(KERN_ERR, ha, 2374b3a271a9SManish Rangankar "%s: Unable to allocate dma buffer\n", __func__); 237513483730SMike Christie goto exit_session_conn_param; 2376b3a271a9SManish Rangankar } 2377b3a271a9SManish Rangankar 2378b3a271a9SManish Rangankar if (qla4xxx_get_fwddb_entry(ha, ddb_entry->fw_ddb_index, fw_ddb_entry, 2379b3a271a9SManish Rangankar fw_ddb_entry_dma, NULL, NULL, &ddb_state, 2380b3a271a9SManish Rangankar NULL, NULL, NULL) == QLA_ERROR) { 2381b3a271a9SManish Rangankar DEBUG2(ql4_printk(KERN_ERR, ha, "scsi%ld: %s: failed " 2382b3a271a9SManish Rangankar "get_ddb_entry for fw_ddb_index %d\n", 2383b3a271a9SManish Rangankar ha->host_no, __func__, 2384b3a271a9SManish Rangankar ddb_entry->fw_ddb_index)); 238513483730SMike Christie goto exit_session_conn_param; 2386b3a271a9SManish Rangankar } 2387b3a271a9SManish Rangankar 2388b3a271a9SManish Rangankar cls_sess = ddb_entry->sess; 2389b3a271a9SManish Rangankar sess = cls_sess->dd_data; 2390b3a271a9SManish Rangankar 2391b3a271a9SManish Rangankar cls_conn = ddb_entry->conn; 2392b3a271a9SManish Rangankar conn = cls_conn->dd_data; 2393b3a271a9SManish Rangankar 239413483730SMike Christie /* Update timers after login */ 239513483730SMike Christie ddb_entry->default_relogin_timeout = 2396c28eaacaSNilesh Javali (le16_to_cpu(fw_ddb_entry->def_timeout) > LOGIN_TOV) && 2397c28eaacaSNilesh Javali (le16_to_cpu(fw_ddb_entry->def_timeout) < LOGIN_TOV * 10) ? 2398c28eaacaSNilesh Javali le16_to_cpu(fw_ddb_entry->def_timeout) : LOGIN_TOV; 239913483730SMike Christie ddb_entry->default_time2wait = 240013483730SMike Christie le16_to_cpu(fw_ddb_entry->iscsi_def_time2wait); 240113483730SMike Christie 2402b3a271a9SManish Rangankar /* Update params */ 2403376738afSNilesh Javali ddb_entry->chap_tbl_idx = le16_to_cpu(fw_ddb_entry->chap_tbl_idx); 2404b3a271a9SManish Rangankar conn->max_recv_dlength = BYTE_UNITS * 2405b3a271a9SManish Rangankar le16_to_cpu(fw_ddb_entry->iscsi_max_rcv_data_seg_len); 2406b3a271a9SManish Rangankar 2407b3a271a9SManish Rangankar conn->max_xmit_dlength = BYTE_UNITS * 2408b3a271a9SManish Rangankar le16_to_cpu(fw_ddb_entry->iscsi_max_snd_data_seg_len); 2409b3a271a9SManish Rangankar 2410b3a271a9SManish Rangankar sess->initial_r2t_en = 2411b3a271a9SManish Rangankar (BIT_10 & le16_to_cpu(fw_ddb_entry->iscsi_options)); 2412b3a271a9SManish Rangankar 2413b3a271a9SManish Rangankar sess->max_r2t = le16_to_cpu(fw_ddb_entry->iscsi_max_outsnd_r2t); 2414b3a271a9SManish Rangankar 2415b3a271a9SManish Rangankar sess->imm_data_en = (BIT_11 & le16_to_cpu(fw_ddb_entry->iscsi_options)); 2416b3a271a9SManish Rangankar 2417b3a271a9SManish Rangankar sess->first_burst = BYTE_UNITS * 2418b3a271a9SManish Rangankar le16_to_cpu(fw_ddb_entry->iscsi_first_burst_len); 2419b3a271a9SManish Rangankar 2420b3a271a9SManish Rangankar sess->max_burst = BYTE_UNITS * 2421b3a271a9SManish Rangankar le16_to_cpu(fw_ddb_entry->iscsi_max_burst_len); 2422b3a271a9SManish Rangankar 2423b3a271a9SManish Rangankar sess->time2wait = le16_to_cpu(fw_ddb_entry->iscsi_def_time2wait); 2424b3a271a9SManish Rangankar 2425b3a271a9SManish Rangankar sess->time2retain = le16_to_cpu(fw_ddb_entry->iscsi_def_time2retain); 2426b3a271a9SManish Rangankar 2427b3a271a9SManish Rangankar sess->tpgt = le32_to_cpu(fw_ddb_entry->tgt_portal_grp); 2428b3a271a9SManish Rangankar 2429b3a271a9SManish Rangankar memcpy(sess->initiatorname, ha->name_string, 2430b3a271a9SManish Rangankar min(sizeof(ha->name_string), sizeof(sess->initiatorname))); 243113483730SMike Christie 24326c1b8789SVikas Chaudhary iscsi_set_param(cls_conn, ISCSI_PARAM_TARGET_ALIAS, 24336c1b8789SVikas Chaudhary (char *)fw_ddb_entry->iscsi_alias, 0); 24346c1b8789SVikas Chaudhary 243513483730SMike Christie exit_session_conn_param: 243613483730SMike Christie if (fw_ddb_entry) 243713483730SMike Christie dma_free_coherent(&ha->pdev->dev, sizeof(*fw_ddb_entry), 243813483730SMike Christie fw_ddb_entry, fw_ddb_entry_dma); 2439b3a271a9SManish Rangankar } 2440b3a271a9SManish Rangankar 2441afaf5a2dSDavid Somayajulu /* 2442afaf5a2dSDavid Somayajulu * Timer routines 2443afaf5a2dSDavid Somayajulu */ 2444afaf5a2dSDavid Somayajulu 2445afaf5a2dSDavid Somayajulu static void qla4xxx_start_timer(struct scsi_qla_host *ha, void *func, 2446afaf5a2dSDavid Somayajulu unsigned long interval) 2447afaf5a2dSDavid Somayajulu { 2448afaf5a2dSDavid Somayajulu DEBUG(printk("scsi: %s: Starting timer thread for adapter %d\n", 2449afaf5a2dSDavid Somayajulu __func__, ha->host->host_no)); 2450afaf5a2dSDavid Somayajulu init_timer(&ha->timer); 2451afaf5a2dSDavid Somayajulu ha->timer.expires = jiffies + interval * HZ; 2452afaf5a2dSDavid Somayajulu ha->timer.data = (unsigned long)ha; 2453afaf5a2dSDavid Somayajulu ha->timer.function = (void (*)(unsigned long))func; 2454afaf5a2dSDavid Somayajulu add_timer(&ha->timer); 2455afaf5a2dSDavid Somayajulu ha->timer_active = 1; 2456afaf5a2dSDavid Somayajulu } 2457afaf5a2dSDavid Somayajulu 2458afaf5a2dSDavid Somayajulu static void qla4xxx_stop_timer(struct scsi_qla_host *ha) 2459afaf5a2dSDavid Somayajulu { 2460afaf5a2dSDavid Somayajulu del_timer_sync(&ha->timer); 2461afaf5a2dSDavid Somayajulu ha->timer_active = 0; 2462afaf5a2dSDavid Somayajulu } 2463afaf5a2dSDavid Somayajulu 2464afaf5a2dSDavid Somayajulu /*** 2465b3a271a9SManish Rangankar * qla4xxx_mark_device_missing - blocks the session 2466b3a271a9SManish Rangankar * @cls_session: Pointer to the session to be blocked 2467afaf5a2dSDavid Somayajulu * @ddb_entry: Pointer to device database entry 2468afaf5a2dSDavid Somayajulu * 2469f4f5df23SVikas Chaudhary * This routine marks a device missing and close connection. 2470afaf5a2dSDavid Somayajulu **/ 2471b3a271a9SManish Rangankar void qla4xxx_mark_device_missing(struct iscsi_cls_session *cls_session) 2472afaf5a2dSDavid Somayajulu { 2473b3a271a9SManish Rangankar iscsi_block_session(cls_session); 2474afaf5a2dSDavid Somayajulu } 2475afaf5a2dSDavid Somayajulu 2476f4f5df23SVikas Chaudhary /** 2477f4f5df23SVikas Chaudhary * qla4xxx_mark_all_devices_missing - mark all devices as missing. 2478f4f5df23SVikas Chaudhary * @ha: Pointer to host adapter structure. 2479f4f5df23SVikas Chaudhary * 2480f4f5df23SVikas Chaudhary * This routine marks a device missing and resets the relogin retry count. 2481f4f5df23SVikas Chaudhary **/ 2482f4f5df23SVikas Chaudhary void qla4xxx_mark_all_devices_missing(struct scsi_qla_host *ha) 2483f4f5df23SVikas Chaudhary { 2484b3a271a9SManish Rangankar iscsi_host_for_each_session(ha->host, qla4xxx_mark_device_missing); 2485f4f5df23SVikas Chaudhary } 2486f4f5df23SVikas Chaudhary 2487afaf5a2dSDavid Somayajulu static struct srb* qla4xxx_get_new_srb(struct scsi_qla_host *ha, 2488afaf5a2dSDavid Somayajulu struct ddb_entry *ddb_entry, 24898f0722caSVikas Chaudhary struct scsi_cmnd *cmd) 2490afaf5a2dSDavid Somayajulu { 2491afaf5a2dSDavid Somayajulu struct srb *srb; 2492afaf5a2dSDavid Somayajulu 2493afaf5a2dSDavid Somayajulu srb = mempool_alloc(ha->srb_mempool, GFP_ATOMIC); 2494afaf5a2dSDavid Somayajulu if (!srb) 2495afaf5a2dSDavid Somayajulu return srb; 2496afaf5a2dSDavid Somayajulu 249709a0f719SVikas Chaudhary kref_init(&srb->srb_ref); 2498afaf5a2dSDavid Somayajulu srb->ha = ha; 2499afaf5a2dSDavid Somayajulu srb->ddb = ddb_entry; 2500afaf5a2dSDavid Somayajulu srb->cmd = cmd; 2501afaf5a2dSDavid Somayajulu srb->flags = 0; 25025369887aSVikas Chaudhary CMD_SP(cmd) = (void *)srb; 2503afaf5a2dSDavid Somayajulu 2504afaf5a2dSDavid Somayajulu return srb; 2505afaf5a2dSDavid Somayajulu } 2506afaf5a2dSDavid Somayajulu 2507afaf5a2dSDavid Somayajulu static void qla4xxx_srb_free_dma(struct scsi_qla_host *ha, struct srb *srb) 2508afaf5a2dSDavid Somayajulu { 2509afaf5a2dSDavid Somayajulu struct scsi_cmnd *cmd = srb->cmd; 2510afaf5a2dSDavid Somayajulu 2511afaf5a2dSDavid Somayajulu if (srb->flags & SRB_DMA_VALID) { 25125f7186c8SFUJITA Tomonori scsi_dma_unmap(cmd); 2513afaf5a2dSDavid Somayajulu srb->flags &= ~SRB_DMA_VALID; 2514afaf5a2dSDavid Somayajulu } 25155369887aSVikas Chaudhary CMD_SP(cmd) = NULL; 2516afaf5a2dSDavid Somayajulu } 2517afaf5a2dSDavid Somayajulu 251809a0f719SVikas Chaudhary void qla4xxx_srb_compl(struct kref *ref) 2519afaf5a2dSDavid Somayajulu { 252009a0f719SVikas Chaudhary struct srb *srb = container_of(ref, struct srb, srb_ref); 2521afaf5a2dSDavid Somayajulu struct scsi_cmnd *cmd = srb->cmd; 252209a0f719SVikas Chaudhary struct scsi_qla_host *ha = srb->ha; 2523afaf5a2dSDavid Somayajulu 2524afaf5a2dSDavid Somayajulu qla4xxx_srb_free_dma(ha, srb); 2525afaf5a2dSDavid Somayajulu 2526afaf5a2dSDavid Somayajulu mempool_free(srb, ha->srb_mempool); 2527afaf5a2dSDavid Somayajulu 2528afaf5a2dSDavid Somayajulu cmd->scsi_done(cmd); 2529afaf5a2dSDavid Somayajulu } 2530afaf5a2dSDavid Somayajulu 2531afaf5a2dSDavid Somayajulu /** 2532afaf5a2dSDavid Somayajulu * qla4xxx_queuecommand - scsi layer issues scsi command to driver. 25338f0722caSVikas Chaudhary * @host: scsi host 2534afaf5a2dSDavid Somayajulu * @cmd: Pointer to Linux's SCSI command structure 2535afaf5a2dSDavid Somayajulu * 2536afaf5a2dSDavid Somayajulu * Remarks: 2537afaf5a2dSDavid Somayajulu * This routine is invoked by Linux to send a SCSI command to the driver. 2538afaf5a2dSDavid Somayajulu * The mid-level driver tries to ensure that queuecommand never gets 2539afaf5a2dSDavid Somayajulu * invoked concurrently with itself or the interrupt handler (although 2540afaf5a2dSDavid Somayajulu * the interrupt handler may call this routine as part of request- 2541afaf5a2dSDavid Somayajulu * completion handling). Unfortunely, it sometimes calls the scheduler 2542afaf5a2dSDavid Somayajulu * in interrupt context which is a big NO! NO!. 2543afaf5a2dSDavid Somayajulu **/ 25448f0722caSVikas Chaudhary static int qla4xxx_queuecommand(struct Scsi_Host *host, struct scsi_cmnd *cmd) 2545afaf5a2dSDavid Somayajulu { 25468f0722caSVikas Chaudhary struct scsi_qla_host *ha = to_qla_host(host); 2547afaf5a2dSDavid Somayajulu struct ddb_entry *ddb_entry = cmd->device->hostdata; 25487fb1921bSMike Christie struct iscsi_cls_session *sess = ddb_entry->sess; 2549afaf5a2dSDavid Somayajulu struct srb *srb; 2550afaf5a2dSDavid Somayajulu int rval; 2551afaf5a2dSDavid Somayajulu 25522232be0dSLalit Chandivade if (test_bit(AF_EEH_BUSY, &ha->flags)) { 25532232be0dSLalit Chandivade if (test_bit(AF_PCI_CHANNEL_IO_PERM_FAILURE, &ha->flags)) 25542232be0dSLalit Chandivade cmd->result = DID_NO_CONNECT << 16; 25552232be0dSLalit Chandivade else 25562232be0dSLalit Chandivade cmd->result = DID_REQUEUE << 16; 25572232be0dSLalit Chandivade goto qc_fail_command; 25582232be0dSLalit Chandivade } 25592232be0dSLalit Chandivade 25607fb1921bSMike Christie if (!sess) { 25617fb1921bSMike Christie cmd->result = DID_IMM_RETRY << 16; 25627fb1921bSMike Christie goto qc_fail_command; 25637fb1921bSMike Christie } 25647fb1921bSMike Christie 25657fb1921bSMike Christie rval = iscsi_session_chkready(sess); 25667fb1921bSMike Christie if (rval) { 25677fb1921bSMike Christie cmd->result = rval; 25687fb1921bSMike Christie goto qc_fail_command; 25697fb1921bSMike Christie } 25707fb1921bSMike Christie 2571f4f5df23SVikas Chaudhary if (test_bit(DPC_RESET_HA_INTR, &ha->dpc_flags) || 2572f4f5df23SVikas Chaudhary test_bit(DPC_RESET_ACTIVE, &ha->dpc_flags) || 2573f4f5df23SVikas Chaudhary test_bit(DPC_RESET_HA, &ha->dpc_flags) || 2574f4f5df23SVikas Chaudhary test_bit(DPC_HA_UNRECOVERABLE, &ha->dpc_flags) || 2575f4f5df23SVikas Chaudhary test_bit(DPC_HA_NEED_QUIESCENT, &ha->dpc_flags) || 2576f4f5df23SVikas Chaudhary !test_bit(AF_ONLINE, &ha->flags) || 2577b3a271a9SManish Rangankar !test_bit(AF_LINK_UP, &ha->flags) || 2578026fbd3aSNilesh Javali test_bit(AF_LOOPBACK, &ha->flags) || 2579f4f5df23SVikas Chaudhary test_bit(DPC_RESET_HA_FW_CONTEXT, &ha->dpc_flags)) 2580477ffb9dSDavid C Somayajulu goto qc_host_busy; 2581477ffb9dSDavid C Somayajulu 25828f0722caSVikas Chaudhary srb = qla4xxx_get_new_srb(ha, ddb_entry, cmd); 2583afaf5a2dSDavid Somayajulu if (!srb) 25848f0722caSVikas Chaudhary goto qc_host_busy; 2585afaf5a2dSDavid Somayajulu 2586afaf5a2dSDavid Somayajulu rval = qla4xxx_send_command_to_isp(ha, srb); 2587afaf5a2dSDavid Somayajulu if (rval != QLA_SUCCESS) 2588afaf5a2dSDavid Somayajulu goto qc_host_busy_free_sp; 2589afaf5a2dSDavid Somayajulu 2590afaf5a2dSDavid Somayajulu return 0; 2591afaf5a2dSDavid Somayajulu 2592afaf5a2dSDavid Somayajulu qc_host_busy_free_sp: 2593afaf5a2dSDavid Somayajulu qla4xxx_srb_free_dma(ha, srb); 2594afaf5a2dSDavid Somayajulu mempool_free(srb, ha->srb_mempool); 2595afaf5a2dSDavid Somayajulu 2596afaf5a2dSDavid Somayajulu qc_host_busy: 2597afaf5a2dSDavid Somayajulu return SCSI_MLQUEUE_HOST_BUSY; 2598afaf5a2dSDavid Somayajulu 2599afaf5a2dSDavid Somayajulu qc_fail_command: 26008f0722caSVikas Chaudhary cmd->scsi_done(cmd); 2601afaf5a2dSDavid Somayajulu 2602afaf5a2dSDavid Somayajulu return 0; 2603afaf5a2dSDavid Somayajulu } 2604afaf5a2dSDavid Somayajulu 2605afaf5a2dSDavid Somayajulu /** 2606afaf5a2dSDavid Somayajulu * qla4xxx_mem_free - frees memory allocated to adapter 2607afaf5a2dSDavid Somayajulu * @ha: Pointer to host adapter structure. 2608afaf5a2dSDavid Somayajulu * 2609afaf5a2dSDavid Somayajulu * Frees memory previously allocated by qla4xxx_mem_alloc 2610afaf5a2dSDavid Somayajulu **/ 2611afaf5a2dSDavid Somayajulu static void qla4xxx_mem_free(struct scsi_qla_host *ha) 2612afaf5a2dSDavid Somayajulu { 2613afaf5a2dSDavid Somayajulu if (ha->queues) 2614afaf5a2dSDavid Somayajulu dma_free_coherent(&ha->pdev->dev, ha->queues_len, ha->queues, 2615afaf5a2dSDavid Somayajulu ha->queues_dma); 2616afaf5a2dSDavid Somayajulu 2617068237c8STej Parkash if (ha->fw_dump) 2618068237c8STej Parkash vfree(ha->fw_dump); 2619068237c8STej Parkash 2620afaf5a2dSDavid Somayajulu ha->queues_len = 0; 2621afaf5a2dSDavid Somayajulu ha->queues = NULL; 2622afaf5a2dSDavid Somayajulu ha->queues_dma = 0; 2623afaf5a2dSDavid Somayajulu ha->request_ring = NULL; 2624afaf5a2dSDavid Somayajulu ha->request_dma = 0; 2625afaf5a2dSDavid Somayajulu ha->response_ring = NULL; 2626afaf5a2dSDavid Somayajulu ha->response_dma = 0; 2627afaf5a2dSDavid Somayajulu ha->shadow_regs = NULL; 2628afaf5a2dSDavid Somayajulu ha->shadow_regs_dma = 0; 2629068237c8STej Parkash ha->fw_dump = NULL; 2630068237c8STej Parkash ha->fw_dump_size = 0; 2631afaf5a2dSDavid Somayajulu 2632afaf5a2dSDavid Somayajulu /* Free srb pool. */ 2633afaf5a2dSDavid Somayajulu if (ha->srb_mempool) 2634afaf5a2dSDavid Somayajulu mempool_destroy(ha->srb_mempool); 2635afaf5a2dSDavid Somayajulu 2636afaf5a2dSDavid Somayajulu ha->srb_mempool = NULL; 2637afaf5a2dSDavid Somayajulu 2638b3a271a9SManish Rangankar if (ha->chap_dma_pool) 2639b3a271a9SManish Rangankar dma_pool_destroy(ha->chap_dma_pool); 2640b3a271a9SManish Rangankar 26414549415aSLalit Chandivade if (ha->chap_list) 26424549415aSLalit Chandivade vfree(ha->chap_list); 26434549415aSLalit Chandivade ha->chap_list = NULL; 26444549415aSLalit Chandivade 264513483730SMike Christie if (ha->fw_ddb_dma_pool) 264613483730SMike Christie dma_pool_destroy(ha->fw_ddb_dma_pool); 264713483730SMike Christie 2648afaf5a2dSDavid Somayajulu /* release io space registers */ 2649f4f5df23SVikas Chaudhary if (is_qla8022(ha)) { 2650f4f5df23SVikas Chaudhary if (ha->nx_pcibase) 2651f4f5df23SVikas Chaudhary iounmap( 2652f4f5df23SVikas Chaudhary (struct device_reg_82xx __iomem *)ha->nx_pcibase); 26536e7b4292SVikas Chaudhary } else if (is_qla8032(ha)) { 26546e7b4292SVikas Chaudhary if (ha->nx_pcibase) 26556e7b4292SVikas Chaudhary iounmap( 26566e7b4292SVikas Chaudhary (struct device_reg_83xx __iomem *)ha->nx_pcibase); 26576e7b4292SVikas Chaudhary } else if (ha->reg) { 2658afaf5a2dSDavid Somayajulu iounmap(ha->reg); 26596e7b4292SVikas Chaudhary } 26606e7b4292SVikas Chaudhary 26616e7b4292SVikas Chaudhary if (ha->reset_tmplt.buff) 26626e7b4292SVikas Chaudhary vfree(ha->reset_tmplt.buff); 26636e7b4292SVikas Chaudhary 2664afaf5a2dSDavid Somayajulu pci_release_regions(ha->pdev); 2665afaf5a2dSDavid Somayajulu } 2666afaf5a2dSDavid Somayajulu 2667afaf5a2dSDavid Somayajulu /** 2668afaf5a2dSDavid Somayajulu * qla4xxx_mem_alloc - allocates memory for use by adapter. 2669afaf5a2dSDavid Somayajulu * @ha: Pointer to host adapter structure 2670afaf5a2dSDavid Somayajulu * 2671afaf5a2dSDavid Somayajulu * Allocates DMA memory for request and response queues. Also allocates memory 2672afaf5a2dSDavid Somayajulu * for srbs. 2673afaf5a2dSDavid Somayajulu **/ 2674afaf5a2dSDavid Somayajulu static int qla4xxx_mem_alloc(struct scsi_qla_host *ha) 2675afaf5a2dSDavid Somayajulu { 2676afaf5a2dSDavid Somayajulu unsigned long align; 2677afaf5a2dSDavid Somayajulu 2678afaf5a2dSDavid Somayajulu /* Allocate contiguous block of DMA memory for queues. */ 2679afaf5a2dSDavid Somayajulu ha->queues_len = ((REQUEST_QUEUE_DEPTH * QUEUE_SIZE) + 2680afaf5a2dSDavid Somayajulu (RESPONSE_QUEUE_DEPTH * QUEUE_SIZE) + 2681afaf5a2dSDavid Somayajulu sizeof(struct shadow_regs) + 2682afaf5a2dSDavid Somayajulu MEM_ALIGN_VALUE + 2683afaf5a2dSDavid Somayajulu (PAGE_SIZE - 1)) & ~(PAGE_SIZE - 1); 2684afaf5a2dSDavid Somayajulu ha->queues = dma_alloc_coherent(&ha->pdev->dev, ha->queues_len, 2685afaf5a2dSDavid Somayajulu &ha->queues_dma, GFP_KERNEL); 2686afaf5a2dSDavid Somayajulu if (ha->queues == NULL) { 2687c2660df3SVikas Chaudhary ql4_printk(KERN_WARNING, ha, 2688afaf5a2dSDavid Somayajulu "Memory Allocation failed - queues.\n"); 2689afaf5a2dSDavid Somayajulu 2690afaf5a2dSDavid Somayajulu goto mem_alloc_error_exit; 2691afaf5a2dSDavid Somayajulu } 2692afaf5a2dSDavid Somayajulu memset(ha->queues, 0, ha->queues_len); 2693afaf5a2dSDavid Somayajulu 2694afaf5a2dSDavid Somayajulu /* 2695afaf5a2dSDavid Somayajulu * As per RISC alignment requirements -- the bus-address must be a 2696afaf5a2dSDavid Somayajulu * multiple of the request-ring size (in bytes). 2697afaf5a2dSDavid Somayajulu */ 2698afaf5a2dSDavid Somayajulu align = 0; 2699afaf5a2dSDavid Somayajulu if ((unsigned long)ha->queues_dma & (MEM_ALIGN_VALUE - 1)) 2700afaf5a2dSDavid Somayajulu align = MEM_ALIGN_VALUE - ((unsigned long)ha->queues_dma & 2701afaf5a2dSDavid Somayajulu (MEM_ALIGN_VALUE - 1)); 2702afaf5a2dSDavid Somayajulu 2703afaf5a2dSDavid Somayajulu /* Update request and response queue pointers. */ 2704afaf5a2dSDavid Somayajulu ha->request_dma = ha->queues_dma + align; 2705afaf5a2dSDavid Somayajulu ha->request_ring = (struct queue_entry *) (ha->queues + align); 2706afaf5a2dSDavid Somayajulu ha->response_dma = ha->queues_dma + align + 2707afaf5a2dSDavid Somayajulu (REQUEST_QUEUE_DEPTH * QUEUE_SIZE); 2708afaf5a2dSDavid Somayajulu ha->response_ring = (struct queue_entry *) (ha->queues + align + 2709afaf5a2dSDavid Somayajulu (REQUEST_QUEUE_DEPTH * 2710afaf5a2dSDavid Somayajulu QUEUE_SIZE)); 2711afaf5a2dSDavid Somayajulu ha->shadow_regs_dma = ha->queues_dma + align + 2712afaf5a2dSDavid Somayajulu (REQUEST_QUEUE_DEPTH * QUEUE_SIZE) + 2713afaf5a2dSDavid Somayajulu (RESPONSE_QUEUE_DEPTH * QUEUE_SIZE); 2714afaf5a2dSDavid Somayajulu ha->shadow_regs = (struct shadow_regs *) (ha->queues + align + 2715afaf5a2dSDavid Somayajulu (REQUEST_QUEUE_DEPTH * 2716afaf5a2dSDavid Somayajulu QUEUE_SIZE) + 2717afaf5a2dSDavid Somayajulu (RESPONSE_QUEUE_DEPTH * 2718afaf5a2dSDavid Somayajulu QUEUE_SIZE)); 2719afaf5a2dSDavid Somayajulu 2720afaf5a2dSDavid Somayajulu /* Allocate memory for srb pool. */ 2721afaf5a2dSDavid Somayajulu ha->srb_mempool = mempool_create(SRB_MIN_REQ, mempool_alloc_slab, 2722afaf5a2dSDavid Somayajulu mempool_free_slab, srb_cachep); 2723afaf5a2dSDavid Somayajulu if (ha->srb_mempool == NULL) { 2724c2660df3SVikas Chaudhary ql4_printk(KERN_WARNING, ha, 2725afaf5a2dSDavid Somayajulu "Memory Allocation failed - SRB Pool.\n"); 2726afaf5a2dSDavid Somayajulu 2727afaf5a2dSDavid Somayajulu goto mem_alloc_error_exit; 2728afaf5a2dSDavid Somayajulu } 2729afaf5a2dSDavid Somayajulu 2730b3a271a9SManish Rangankar ha->chap_dma_pool = dma_pool_create("ql4_chap", &ha->pdev->dev, 2731b3a271a9SManish Rangankar CHAP_DMA_BLOCK_SIZE, 8, 0); 2732b3a271a9SManish Rangankar 2733b3a271a9SManish Rangankar if (ha->chap_dma_pool == NULL) { 2734b3a271a9SManish Rangankar ql4_printk(KERN_WARNING, ha, 2735b3a271a9SManish Rangankar "%s: chap_dma_pool allocation failed..\n", __func__); 2736b3a271a9SManish Rangankar goto mem_alloc_error_exit; 2737b3a271a9SManish Rangankar } 2738b3a271a9SManish Rangankar 273913483730SMike Christie ha->fw_ddb_dma_pool = dma_pool_create("ql4_fw_ddb", &ha->pdev->dev, 274013483730SMike Christie DDB_DMA_BLOCK_SIZE, 8, 0); 274113483730SMike Christie 274213483730SMike Christie if (ha->fw_ddb_dma_pool == NULL) { 274313483730SMike Christie ql4_printk(KERN_WARNING, ha, 274413483730SMike Christie "%s: fw_ddb_dma_pool allocation failed..\n", 274513483730SMike Christie __func__); 274613483730SMike Christie goto mem_alloc_error_exit; 274713483730SMike Christie } 274813483730SMike Christie 2749afaf5a2dSDavid Somayajulu return QLA_SUCCESS; 2750afaf5a2dSDavid Somayajulu 2751afaf5a2dSDavid Somayajulu mem_alloc_error_exit: 2752afaf5a2dSDavid Somayajulu qla4xxx_mem_free(ha); 2753afaf5a2dSDavid Somayajulu return QLA_ERROR; 2754afaf5a2dSDavid Somayajulu } 2755afaf5a2dSDavid Somayajulu 2756afaf5a2dSDavid Somayajulu /** 27574f77083eSMike Hernandez * qla4_8xxx_check_temp - Check the ISP82XX temperature. 27584f77083eSMike Hernandez * @ha: adapter block pointer. 27594f77083eSMike Hernandez * 27604f77083eSMike Hernandez * Note: The caller should not hold the idc lock. 27614f77083eSMike Hernandez **/ 27624f77083eSMike Hernandez static int qla4_8xxx_check_temp(struct scsi_qla_host *ha) 27634f77083eSMike Hernandez { 27644f77083eSMike Hernandez uint32_t temp, temp_state, temp_val; 27654f77083eSMike Hernandez int status = QLA_SUCCESS; 27664f77083eSMike Hernandez 276733693c7aSVikas Chaudhary temp = qla4_8xxx_rd_direct(ha, QLA8XXX_CRB_TEMP_STATE); 27684f77083eSMike Hernandez 27694f77083eSMike Hernandez temp_state = qla82xx_get_temp_state(temp); 27704f77083eSMike Hernandez temp_val = qla82xx_get_temp_val(temp); 27714f77083eSMike Hernandez 27724f77083eSMike Hernandez if (temp_state == QLA82XX_TEMP_PANIC) { 27734f77083eSMike Hernandez ql4_printk(KERN_WARNING, ha, "Device temperature %d degrees C" 27744f77083eSMike Hernandez " exceeds maximum allowed. Hardware has been shut" 27754f77083eSMike Hernandez " down.\n", temp_val); 27764f77083eSMike Hernandez status = QLA_ERROR; 27774f77083eSMike Hernandez } else if (temp_state == QLA82XX_TEMP_WARN) { 27784f77083eSMike Hernandez if (ha->temperature == QLA82XX_TEMP_NORMAL) 27794f77083eSMike Hernandez ql4_printk(KERN_WARNING, ha, "Device temperature %d" 27804f77083eSMike Hernandez " degrees C exceeds operating range." 27814f77083eSMike Hernandez " Immediate action needed.\n", temp_val); 27824f77083eSMike Hernandez } else { 27834f77083eSMike Hernandez if (ha->temperature == QLA82XX_TEMP_WARN) 27844f77083eSMike Hernandez ql4_printk(KERN_INFO, ha, "Device temperature is" 27854f77083eSMike Hernandez " now %d degrees C in normal range.\n", 27864f77083eSMike Hernandez temp_val); 27874f77083eSMike Hernandez } 27884f77083eSMike Hernandez ha->temperature = temp_state; 27894f77083eSMike Hernandez return status; 27904f77083eSMike Hernandez } 27914f77083eSMike Hernandez 27924f77083eSMike Hernandez /** 2793f4f5df23SVikas Chaudhary * qla4_8xxx_check_fw_alive - Check firmware health 2794f4f5df23SVikas Chaudhary * @ha: Pointer to host adapter structure. 2795f4f5df23SVikas Chaudhary * 2796f4f5df23SVikas Chaudhary * Context: Interrupt 2797f4f5df23SVikas Chaudhary **/ 27989ee91a38SShyam Sunder static int qla4_8xxx_check_fw_alive(struct scsi_qla_host *ha) 2799f4f5df23SVikas Chaudhary { 28009ee91a38SShyam Sunder uint32_t fw_heartbeat_counter; 28019ee91a38SShyam Sunder int status = QLA_SUCCESS; 2802f4f5df23SVikas Chaudhary 280333693c7aSVikas Chaudhary fw_heartbeat_counter = qla4_8xxx_rd_direct(ha, 280433693c7aSVikas Chaudhary QLA8XXX_PEG_ALIVE_COUNTER); 28052232be0dSLalit Chandivade /* If PEG_ALIVE_COUNTER is 0xffffffff, AER/EEH is in progress, ignore */ 28062232be0dSLalit Chandivade if (fw_heartbeat_counter == 0xffffffff) { 28072232be0dSLalit Chandivade DEBUG2(printk(KERN_WARNING "scsi%ld: %s: Device in frozen " 28082232be0dSLalit Chandivade "state, QLA82XX_PEG_ALIVE_COUNTER is 0xffffffff\n", 28092232be0dSLalit Chandivade ha->host_no, __func__)); 28109ee91a38SShyam Sunder return status; 28112232be0dSLalit Chandivade } 2812f4f5df23SVikas Chaudhary 2813f4f5df23SVikas Chaudhary if (ha->fw_heartbeat_counter == fw_heartbeat_counter) { 2814f4f5df23SVikas Chaudhary ha->seconds_since_last_heartbeat++; 2815f4f5df23SVikas Chaudhary /* FW not alive after 2 seconds */ 2816f4f5df23SVikas Chaudhary if (ha->seconds_since_last_heartbeat == 2) { 2817f4f5df23SVikas Chaudhary ha->seconds_since_last_heartbeat = 0; 28186e7b4292SVikas Chaudhary qla4_8xxx_dump_peg_reg(ha); 28199ee91a38SShyam Sunder status = QLA_ERROR; 2820f4f5df23SVikas Chaudhary } 282199457d75SLalit Chandivade } else 282299457d75SLalit Chandivade ha->seconds_since_last_heartbeat = 0; 282399457d75SLalit Chandivade 2824f4f5df23SVikas Chaudhary ha->fw_heartbeat_counter = fw_heartbeat_counter; 28259ee91a38SShyam Sunder return status; 2826f4f5df23SVikas Chaudhary } 2827f4f5df23SVikas Chaudhary 28286e7b4292SVikas Chaudhary static void qla4_8xxx_process_fw_error(struct scsi_qla_host *ha) 28296e7b4292SVikas Chaudhary { 28306e7b4292SVikas Chaudhary uint32_t halt_status; 28316e7b4292SVikas Chaudhary int halt_status_unrecoverable = 0; 28326e7b4292SVikas Chaudhary 28336e7b4292SVikas Chaudhary halt_status = qla4_8xxx_rd_direct(ha, QLA8XXX_PEG_HALT_STATUS1); 28346e7b4292SVikas Chaudhary 28356e7b4292SVikas Chaudhary if (is_qla8022(ha)) { 28366e7b4292SVikas Chaudhary ql4_printk(KERN_INFO, ha, "%s: disabling pause transmit on port 0 & 1.\n", 28376e7b4292SVikas Chaudhary __func__); 28386e7b4292SVikas Chaudhary qla4_82xx_wr_32(ha, QLA82XX_CRB_NIU + 0x98, 28396e7b4292SVikas Chaudhary CRB_NIU_XG_PAUSE_CTL_P0 | 28406e7b4292SVikas Chaudhary CRB_NIU_XG_PAUSE_CTL_P1); 28416e7b4292SVikas Chaudhary 28426e7b4292SVikas Chaudhary if (QLA82XX_FWERROR_CODE(halt_status) == 0x67) 28436e7b4292SVikas Chaudhary ql4_printk(KERN_ERR, ha, "%s: Firmware aborted with error code 0x00006700. Device is being reset\n", 28446e7b4292SVikas Chaudhary __func__); 28456e7b4292SVikas Chaudhary if (halt_status & HALT_STATUS_UNRECOVERABLE) 28466e7b4292SVikas Chaudhary halt_status_unrecoverable = 1; 28476e7b4292SVikas Chaudhary } else if (is_qla8032(ha)) { 28486e7b4292SVikas Chaudhary if (halt_status & QLA83XX_HALT_STATUS_FW_RESET) 28496e7b4292SVikas Chaudhary ql4_printk(KERN_ERR, ha, "%s: Firmware error detected device is being reset\n", 28506e7b4292SVikas Chaudhary __func__); 28516e7b4292SVikas Chaudhary else if (halt_status & QLA83XX_HALT_STATUS_UNRECOVERABLE) 28526e7b4292SVikas Chaudhary halt_status_unrecoverable = 1; 28536e7b4292SVikas Chaudhary } 28546e7b4292SVikas Chaudhary 28556e7b4292SVikas Chaudhary /* 28566e7b4292SVikas Chaudhary * Since we cannot change dev_state in interrupt context, 28576e7b4292SVikas Chaudhary * set appropriate DPC flag then wakeup DPC 28586e7b4292SVikas Chaudhary */ 28596e7b4292SVikas Chaudhary if (halt_status_unrecoverable) { 28606e7b4292SVikas Chaudhary set_bit(DPC_HA_UNRECOVERABLE, &ha->dpc_flags); 28616e7b4292SVikas Chaudhary } else { 28626e7b4292SVikas Chaudhary ql4_printk(KERN_INFO, ha, "%s: detect abort needed!\n", 28636e7b4292SVikas Chaudhary __func__); 28646e7b4292SVikas Chaudhary set_bit(DPC_RESET_HA, &ha->dpc_flags); 28656e7b4292SVikas Chaudhary } 28666e7b4292SVikas Chaudhary qla4xxx_mailbox_premature_completion(ha); 28676e7b4292SVikas Chaudhary qla4xxx_wake_dpc(ha); 28686e7b4292SVikas Chaudhary } 28696e7b4292SVikas Chaudhary 2870f4f5df23SVikas Chaudhary /** 2871f4f5df23SVikas Chaudhary * qla4_8xxx_watchdog - Poll dev state 2872f4f5df23SVikas Chaudhary * @ha: Pointer to host adapter structure. 2873f4f5df23SVikas Chaudhary * 2874f4f5df23SVikas Chaudhary * Context: Interrupt 2875f4f5df23SVikas Chaudhary **/ 2876f4f5df23SVikas Chaudhary void qla4_8xxx_watchdog(struct scsi_qla_host *ha) 2877f4f5df23SVikas Chaudhary { 28786e7b4292SVikas Chaudhary uint32_t dev_state; 28796cf94121SVikas Chaudhary uint32_t idc_ctrl; 2880f4f5df23SVikas Chaudhary 2881f4f5df23SVikas Chaudhary /* don't poll if reset is going on */ 2882d56a1f7bSLalit Chandivade if (!(test_bit(DPC_RESET_ACTIVE, &ha->dpc_flags) || 2883d56a1f7bSLalit Chandivade test_bit(DPC_RESET_HA, &ha->dpc_flags) || 2884977f46a4SVikas Chaudhary test_bit(DPC_RETRY_RESET_HA, &ha->dpc_flags))) { 288533693c7aSVikas Chaudhary dev_state = qla4_8xxx_rd_direct(ha, QLA8XXX_CRB_DEV_STATE); 28864f77083eSMike Hernandez 28874f77083eSMike Hernandez if (qla4_8xxx_check_temp(ha)) { 28886e7b4292SVikas Chaudhary if (is_qla8022(ha)) { 28896e7b4292SVikas Chaudhary ql4_printk(KERN_INFO, ha, "disabling pause transmit on port 0 & 1.\n"); 2890f8086f4fSVikas Chaudhary qla4_82xx_wr_32(ha, QLA82XX_CRB_NIU + 0x98, 2891e6bd0ebdSGiridhar Malavali CRB_NIU_XG_PAUSE_CTL_P0 | 2892e6bd0ebdSGiridhar Malavali CRB_NIU_XG_PAUSE_CTL_P1); 28936e7b4292SVikas Chaudhary } 28944f77083eSMike Hernandez set_bit(DPC_HA_UNRECOVERABLE, &ha->dpc_flags); 28954f77083eSMike Hernandez qla4xxx_wake_dpc(ha); 2896de8c72daSVikas Chaudhary } else if (dev_state == QLA8XXX_DEV_NEED_RESET && 2897f4f5df23SVikas Chaudhary !test_bit(DPC_RESET_HA, &ha->dpc_flags)) { 28986cf94121SVikas Chaudhary 28996cf94121SVikas Chaudhary ql4_printk(KERN_INFO, ha, "%s: HW State: NEED RESET!\n", 29006cf94121SVikas Chaudhary __func__); 29016cf94121SVikas Chaudhary 29026cf94121SVikas Chaudhary if (is_qla8032(ha)) { 29036cf94121SVikas Chaudhary idc_ctrl = qla4_83xx_rd_reg(ha, 29046cf94121SVikas Chaudhary QLA83XX_IDC_DRV_CTRL); 29056cf94121SVikas Chaudhary if (!(idc_ctrl & GRACEFUL_RESET_BIT1)) { 29066cf94121SVikas Chaudhary ql4_printk(KERN_INFO, ha, "%s: Graceful reset bit is not set\n", 29076cf94121SVikas Chaudhary __func__); 29086cf94121SVikas Chaudhary qla4xxx_mailbox_premature_completion( 29096cf94121SVikas Chaudhary ha); 29106cf94121SVikas Chaudhary } 29116cf94121SVikas Chaudhary } 29126cf94121SVikas Chaudhary 29136e7b4292SVikas Chaudhary if (is_qla8032(ha) || 29146e7b4292SVikas Chaudhary (is_qla8022(ha) && !ql4xdontresethba)) { 2915f4f5df23SVikas Chaudhary set_bit(DPC_RESET_HA, &ha->dpc_flags); 2916f4f5df23SVikas Chaudhary qla4xxx_wake_dpc(ha); 29173930b8c1SVikas Chaudhary } 2918de8c72daSVikas Chaudhary } else if (dev_state == QLA8XXX_DEV_NEED_QUIESCENT && 2919f4f5df23SVikas Chaudhary !test_bit(DPC_HA_NEED_QUIESCENT, &ha->dpc_flags)) { 29203930b8c1SVikas Chaudhary ql4_printk(KERN_INFO, ha, "%s: HW State: NEED QUIES!\n", 29213930b8c1SVikas Chaudhary __func__); 2922f4f5df23SVikas Chaudhary set_bit(DPC_HA_NEED_QUIESCENT, &ha->dpc_flags); 2923f4f5df23SVikas Chaudhary qla4xxx_wake_dpc(ha); 2924f4f5df23SVikas Chaudhary } else { 2925f4f5df23SVikas Chaudhary /* Check firmware health */ 29266e7b4292SVikas Chaudhary if (qla4_8xxx_check_fw_alive(ha)) 29276e7b4292SVikas Chaudhary qla4_8xxx_process_fw_error(ha); 2928f4f5df23SVikas Chaudhary } 2929f4f5df23SVikas Chaudhary } 2930f4f5df23SVikas Chaudhary } 2931f4f5df23SVikas Chaudhary 29324a4bc2e9SLalit Chandivade static void qla4xxx_check_relogin_flash_ddb(struct iscsi_cls_session *cls_sess) 293313483730SMike Christie { 293413483730SMike Christie struct iscsi_session *sess; 293513483730SMike Christie struct ddb_entry *ddb_entry; 293613483730SMike Christie struct scsi_qla_host *ha; 293713483730SMike Christie 293813483730SMike Christie sess = cls_sess->dd_data; 293913483730SMike Christie ddb_entry = sess->dd_data; 294013483730SMike Christie ha = ddb_entry->ha; 294113483730SMike Christie 294213483730SMike Christie if (!(ddb_entry->ddb_type == FLASH_DDB)) 294313483730SMike Christie return; 294413483730SMike Christie 294513483730SMike Christie if (adapter_up(ha) && !test_bit(DF_RELOGIN, &ddb_entry->flags) && 294613483730SMike Christie !iscsi_is_session_online(cls_sess)) { 294713483730SMike Christie if (atomic_read(&ddb_entry->retry_relogin_timer) != 294813483730SMike Christie INVALID_ENTRY) { 294913483730SMike Christie if (atomic_read(&ddb_entry->retry_relogin_timer) == 295013483730SMike Christie 0) { 295113483730SMike Christie atomic_set(&ddb_entry->retry_relogin_timer, 295213483730SMike Christie INVALID_ENTRY); 295313483730SMike Christie set_bit(DPC_RELOGIN_DEVICE, &ha->dpc_flags); 295413483730SMike Christie set_bit(DF_RELOGIN, &ddb_entry->flags); 295513483730SMike Christie DEBUG2(ql4_printk(KERN_INFO, ha, 295613483730SMike Christie "%s: index [%d] login device\n", 295713483730SMike Christie __func__, ddb_entry->fw_ddb_index)); 295813483730SMike Christie } else 295913483730SMike Christie atomic_dec(&ddb_entry->retry_relogin_timer); 296013483730SMike Christie } 296113483730SMike Christie } 296213483730SMike Christie 296313483730SMike Christie /* Wait for relogin to timeout */ 296413483730SMike Christie if (atomic_read(&ddb_entry->relogin_timer) && 296513483730SMike Christie (atomic_dec_and_test(&ddb_entry->relogin_timer) != 0)) { 296613483730SMike Christie /* 296713483730SMike Christie * If the relogin times out and the device is 296813483730SMike Christie * still NOT ONLINE then try and relogin again. 296913483730SMike Christie */ 297013483730SMike Christie if (!iscsi_is_session_online(cls_sess)) { 297113483730SMike Christie /* Reset retry relogin timer */ 297213483730SMike Christie atomic_inc(&ddb_entry->relogin_retry_count); 297313483730SMike Christie DEBUG2(ql4_printk(KERN_INFO, ha, 297413483730SMike Christie "%s: index[%d] relogin timed out-retrying" 297513483730SMike Christie " relogin (%d), retry (%d)\n", __func__, 297613483730SMike Christie ddb_entry->fw_ddb_index, 297713483730SMike Christie atomic_read(&ddb_entry->relogin_retry_count), 297813483730SMike Christie ddb_entry->default_time2wait + 4)); 297913483730SMike Christie set_bit(DPC_RELOGIN_DEVICE, &ha->dpc_flags); 298013483730SMike Christie atomic_set(&ddb_entry->retry_relogin_timer, 298113483730SMike Christie ddb_entry->default_time2wait + 4); 298213483730SMike Christie } 298313483730SMike Christie } 298413483730SMike Christie } 298513483730SMike Christie 2986f4f5df23SVikas Chaudhary /** 2987afaf5a2dSDavid Somayajulu * qla4xxx_timer - checks every second for work to do. 2988afaf5a2dSDavid Somayajulu * @ha: Pointer to host adapter structure. 2989afaf5a2dSDavid Somayajulu **/ 2990afaf5a2dSDavid Somayajulu static void qla4xxx_timer(struct scsi_qla_host *ha) 2991afaf5a2dSDavid Somayajulu { 2992afaf5a2dSDavid Somayajulu int start_dpc = 0; 29932232be0dSLalit Chandivade uint16_t w; 29942232be0dSLalit Chandivade 299513483730SMike Christie iscsi_host_for_each_session(ha->host, qla4xxx_check_relogin_flash_ddb); 299613483730SMike Christie 29972232be0dSLalit Chandivade /* If we are in the middle of AER/EEH processing 29982232be0dSLalit Chandivade * skip any processing and reschedule the timer 29992232be0dSLalit Chandivade */ 30002232be0dSLalit Chandivade if (test_bit(AF_EEH_BUSY, &ha->flags)) { 30012232be0dSLalit Chandivade mod_timer(&ha->timer, jiffies + HZ); 30022232be0dSLalit Chandivade return; 30032232be0dSLalit Chandivade } 30042232be0dSLalit Chandivade 30052232be0dSLalit Chandivade /* Hardware read to trigger an EEH error during mailbox waits. */ 30062232be0dSLalit Chandivade if (!pci_channel_offline(ha->pdev)) 30072232be0dSLalit Chandivade pci_read_config_word(ha->pdev, PCI_VENDOR_ID, &w); 3008afaf5a2dSDavid Somayajulu 30096e7b4292SVikas Chaudhary if (is_qla80XX(ha)) 3010f4f5df23SVikas Chaudhary qla4_8xxx_watchdog(ha); 3011f4f5df23SVikas Chaudhary 3012ee996a69SVikas Chaudhary if (is_qla40XX(ha)) { 3013afaf5a2dSDavid Somayajulu /* Check for heartbeat interval. */ 3014afaf5a2dSDavid Somayajulu if (ha->firmware_options & FWOPT_HEARTBEAT_ENABLE && 3015afaf5a2dSDavid Somayajulu ha->heartbeat_interval != 0) { 3016afaf5a2dSDavid Somayajulu ha->seconds_since_last_heartbeat++; 3017afaf5a2dSDavid Somayajulu if (ha->seconds_since_last_heartbeat > 3018afaf5a2dSDavid Somayajulu ha->heartbeat_interval + 2) 3019afaf5a2dSDavid Somayajulu set_bit(DPC_RESET_HA, &ha->dpc_flags); 3020afaf5a2dSDavid Somayajulu } 3021f4f5df23SVikas Chaudhary } 3022afaf5a2dSDavid Somayajulu 3023ff884430SVikas Chaudhary /* Process any deferred work. */ 3024ff884430SVikas Chaudhary if (!list_empty(&ha->work_list)) 3025ff884430SVikas Chaudhary start_dpc++; 3026ff884430SVikas Chaudhary 3027afaf5a2dSDavid Somayajulu /* Wakeup the dpc routine for this adapter, if needed. */ 30281b46807eSLalit Chandivade if (start_dpc || 3029afaf5a2dSDavid Somayajulu test_bit(DPC_RESET_HA, &ha->dpc_flags) || 3030afaf5a2dSDavid Somayajulu test_bit(DPC_RETRY_RESET_HA, &ha->dpc_flags) || 3031afaf5a2dSDavid Somayajulu test_bit(DPC_RELOGIN_DEVICE, &ha->dpc_flags) || 3032f4f5df23SVikas Chaudhary test_bit(DPC_RESET_HA_FW_CONTEXT, &ha->dpc_flags) || 3033afaf5a2dSDavid Somayajulu test_bit(DPC_RESET_HA_INTR, &ha->dpc_flags) || 3034afaf5a2dSDavid Somayajulu test_bit(DPC_GET_DHCP_IP_ADDR, &ha->dpc_flags) || 3035065aa1b4SVikas Chaudhary test_bit(DPC_LINK_CHANGED, &ha->dpc_flags) || 3036f4f5df23SVikas Chaudhary test_bit(DPC_HA_UNRECOVERABLE, &ha->dpc_flags) || 3037f4f5df23SVikas Chaudhary test_bit(DPC_HA_NEED_QUIESCENT, &ha->dpc_flags) || 30381b46807eSLalit Chandivade test_bit(DPC_AEN, &ha->dpc_flags)) { 3039afaf5a2dSDavid Somayajulu DEBUG2(printk("scsi%ld: %s: scheduling dpc routine" 3040afaf5a2dSDavid Somayajulu " - dpc flags = 0x%lx\n", 3041afaf5a2dSDavid Somayajulu ha->host_no, __func__, ha->dpc_flags)); 3042f4f5df23SVikas Chaudhary qla4xxx_wake_dpc(ha); 3043afaf5a2dSDavid Somayajulu } 3044afaf5a2dSDavid Somayajulu 3045afaf5a2dSDavid Somayajulu /* Reschedule timer thread to call us back in one second */ 3046afaf5a2dSDavid Somayajulu mod_timer(&ha->timer, jiffies + HZ); 3047afaf5a2dSDavid Somayajulu 3048afaf5a2dSDavid Somayajulu DEBUG2(ha->seconds_since_last_intr++); 3049afaf5a2dSDavid Somayajulu } 3050afaf5a2dSDavid Somayajulu 3051afaf5a2dSDavid Somayajulu /** 3052afaf5a2dSDavid Somayajulu * qla4xxx_cmd_wait - waits for all outstanding commands to complete 3053afaf5a2dSDavid Somayajulu * @ha: Pointer to host adapter structure. 3054afaf5a2dSDavid Somayajulu * 3055afaf5a2dSDavid Somayajulu * This routine stalls the driver until all outstanding commands are returned. 3056afaf5a2dSDavid Somayajulu * Caller must release the Hardware Lock prior to calling this routine. 3057afaf5a2dSDavid Somayajulu **/ 3058afaf5a2dSDavid Somayajulu static int qla4xxx_cmd_wait(struct scsi_qla_host *ha) 3059afaf5a2dSDavid Somayajulu { 3060afaf5a2dSDavid Somayajulu uint32_t index = 0; 3061afaf5a2dSDavid Somayajulu unsigned long flags; 3062afaf5a2dSDavid Somayajulu struct scsi_cmnd *cmd; 3063afaf5a2dSDavid Somayajulu 3064f4f5df23SVikas Chaudhary unsigned long wtime = jiffies + (WAIT_CMD_TOV * HZ); 3065f4f5df23SVikas Chaudhary 3066f4f5df23SVikas Chaudhary DEBUG2(ql4_printk(KERN_INFO, ha, "Wait up to %d seconds for cmds to " 3067f4f5df23SVikas Chaudhary "complete\n", WAIT_CMD_TOV)); 3068f4f5df23SVikas Chaudhary 3069f4f5df23SVikas Chaudhary while (!time_after_eq(jiffies, wtime)) { 3070afaf5a2dSDavid Somayajulu spin_lock_irqsave(&ha->hardware_lock, flags); 3071afaf5a2dSDavid Somayajulu /* Find a command that hasn't completed. */ 3072afaf5a2dSDavid Somayajulu for (index = 0; index < ha->host->can_queue; index++) { 3073afaf5a2dSDavid Somayajulu cmd = scsi_host_find_tag(ha->host, index); 3074a1e0063dSMike Christie /* 3075a1e0063dSMike Christie * We cannot just check if the index is valid, 3076a1e0063dSMike Christie * becase if we are run from the scsi eh, then 3077a1e0063dSMike Christie * the scsi/block layer is going to prevent 3078a1e0063dSMike Christie * the tag from being released. 3079a1e0063dSMike Christie */ 3080a1e0063dSMike Christie if (cmd != NULL && CMD_SP(cmd)) 3081afaf5a2dSDavid Somayajulu break; 3082afaf5a2dSDavid Somayajulu } 3083afaf5a2dSDavid Somayajulu spin_unlock_irqrestore(&ha->hardware_lock, flags); 3084afaf5a2dSDavid Somayajulu 3085afaf5a2dSDavid Somayajulu /* If No Commands are pending, wait is complete */ 3086f4f5df23SVikas Chaudhary if (index == ha->host->can_queue) 3087f4f5df23SVikas Chaudhary return QLA_SUCCESS; 3088afaf5a2dSDavid Somayajulu 3089afaf5a2dSDavid Somayajulu msleep(1000); 3090afaf5a2dSDavid Somayajulu } 3091f4f5df23SVikas Chaudhary /* If we timed out on waiting for commands to come back 3092f4f5df23SVikas Chaudhary * return ERROR. */ 3093f4f5df23SVikas Chaudhary return QLA_ERROR; 3094afaf5a2dSDavid Somayajulu } 3095afaf5a2dSDavid Somayajulu 3096f4f5df23SVikas Chaudhary int qla4xxx_hw_reset(struct scsi_qla_host *ha) 3097afaf5a2dSDavid Somayajulu { 3098afaf5a2dSDavid Somayajulu uint32_t ctrl_status; 3099477ffb9dSDavid C Somayajulu unsigned long flags = 0; 3100477ffb9dSDavid C Somayajulu 3101477ffb9dSDavid C Somayajulu DEBUG2(printk(KERN_ERR "scsi%ld: %s\n", ha->host_no, __func__)); 3102afaf5a2dSDavid Somayajulu 3103f4f5df23SVikas Chaudhary if (ql4xxx_lock_drvr_wait(ha) != QLA_SUCCESS) 3104f4f5df23SVikas Chaudhary return QLA_ERROR; 3105f4f5df23SVikas Chaudhary 3106afaf5a2dSDavid Somayajulu spin_lock_irqsave(&ha->hardware_lock, flags); 3107afaf5a2dSDavid Somayajulu 3108afaf5a2dSDavid Somayajulu /* 3109afaf5a2dSDavid Somayajulu * If the SCSI Reset Interrupt bit is set, clear it. 3110afaf5a2dSDavid Somayajulu * Otherwise, the Soft Reset won't work. 3111afaf5a2dSDavid Somayajulu */ 3112afaf5a2dSDavid Somayajulu ctrl_status = readw(&ha->reg->ctrl_status); 3113afaf5a2dSDavid Somayajulu if ((ctrl_status & CSR_SCSI_RESET_INTR) != 0) 3114afaf5a2dSDavid Somayajulu writel(set_rmask(CSR_SCSI_RESET_INTR), &ha->reg->ctrl_status); 3115afaf5a2dSDavid Somayajulu 3116afaf5a2dSDavid Somayajulu /* Issue Soft Reset */ 3117afaf5a2dSDavid Somayajulu writel(set_rmask(CSR_SOFT_RESET), &ha->reg->ctrl_status); 3118afaf5a2dSDavid Somayajulu readl(&ha->reg->ctrl_status); 3119afaf5a2dSDavid Somayajulu 3120afaf5a2dSDavid Somayajulu spin_unlock_irqrestore(&ha->hardware_lock, flags); 3121f4f5df23SVikas Chaudhary return QLA_SUCCESS; 3122477ffb9dSDavid C Somayajulu } 3123477ffb9dSDavid C Somayajulu 3124477ffb9dSDavid C Somayajulu /** 3125477ffb9dSDavid C Somayajulu * qla4xxx_soft_reset - performs soft reset. 3126477ffb9dSDavid C Somayajulu * @ha: Pointer to host adapter structure. 3127477ffb9dSDavid C Somayajulu **/ 3128477ffb9dSDavid C Somayajulu int qla4xxx_soft_reset(struct scsi_qla_host *ha) 3129477ffb9dSDavid C Somayajulu { 3130477ffb9dSDavid C Somayajulu uint32_t max_wait_time; 3131477ffb9dSDavid C Somayajulu unsigned long flags = 0; 3132f931c534SVikas Chaudhary int status; 3133477ffb9dSDavid C Somayajulu uint32_t ctrl_status; 3134477ffb9dSDavid C Somayajulu 3135f931c534SVikas Chaudhary status = qla4xxx_hw_reset(ha); 3136f931c534SVikas Chaudhary if (status != QLA_SUCCESS) 3137f931c534SVikas Chaudhary return status; 3138afaf5a2dSDavid Somayajulu 3139f931c534SVikas Chaudhary status = QLA_ERROR; 3140afaf5a2dSDavid Somayajulu /* Wait until the Network Reset Intr bit is cleared */ 3141afaf5a2dSDavid Somayajulu max_wait_time = RESET_INTR_TOV; 3142afaf5a2dSDavid Somayajulu do { 3143afaf5a2dSDavid Somayajulu spin_lock_irqsave(&ha->hardware_lock, flags); 3144afaf5a2dSDavid Somayajulu ctrl_status = readw(&ha->reg->ctrl_status); 3145afaf5a2dSDavid Somayajulu spin_unlock_irqrestore(&ha->hardware_lock, flags); 3146afaf5a2dSDavid Somayajulu 3147afaf5a2dSDavid Somayajulu if ((ctrl_status & CSR_NET_RESET_INTR) == 0) 3148afaf5a2dSDavid Somayajulu break; 3149afaf5a2dSDavid Somayajulu 3150afaf5a2dSDavid Somayajulu msleep(1000); 3151afaf5a2dSDavid Somayajulu } while ((--max_wait_time)); 3152afaf5a2dSDavid Somayajulu 3153afaf5a2dSDavid Somayajulu if ((ctrl_status & CSR_NET_RESET_INTR) != 0) { 3154afaf5a2dSDavid Somayajulu DEBUG2(printk(KERN_WARNING 3155afaf5a2dSDavid Somayajulu "scsi%ld: Network Reset Intr not cleared by " 3156afaf5a2dSDavid Somayajulu "Network function, clearing it now!\n", 3157afaf5a2dSDavid Somayajulu ha->host_no)); 3158afaf5a2dSDavid Somayajulu spin_lock_irqsave(&ha->hardware_lock, flags); 3159afaf5a2dSDavid Somayajulu writel(set_rmask(CSR_NET_RESET_INTR), &ha->reg->ctrl_status); 3160afaf5a2dSDavid Somayajulu readl(&ha->reg->ctrl_status); 3161afaf5a2dSDavid Somayajulu spin_unlock_irqrestore(&ha->hardware_lock, flags); 3162afaf5a2dSDavid Somayajulu } 3163afaf5a2dSDavid Somayajulu 3164afaf5a2dSDavid Somayajulu /* Wait until the firmware tells us the Soft Reset is done */ 3165afaf5a2dSDavid Somayajulu max_wait_time = SOFT_RESET_TOV; 3166afaf5a2dSDavid Somayajulu do { 3167afaf5a2dSDavid Somayajulu spin_lock_irqsave(&ha->hardware_lock, flags); 3168afaf5a2dSDavid Somayajulu ctrl_status = readw(&ha->reg->ctrl_status); 3169afaf5a2dSDavid Somayajulu spin_unlock_irqrestore(&ha->hardware_lock, flags); 3170afaf5a2dSDavid Somayajulu 3171afaf5a2dSDavid Somayajulu if ((ctrl_status & CSR_SOFT_RESET) == 0) { 3172afaf5a2dSDavid Somayajulu status = QLA_SUCCESS; 3173afaf5a2dSDavid Somayajulu break; 3174afaf5a2dSDavid Somayajulu } 3175afaf5a2dSDavid Somayajulu 3176afaf5a2dSDavid Somayajulu msleep(1000); 3177afaf5a2dSDavid Somayajulu } while ((--max_wait_time)); 3178afaf5a2dSDavid Somayajulu 3179afaf5a2dSDavid Somayajulu /* 3180afaf5a2dSDavid Somayajulu * Also, make sure that the SCSI Reset Interrupt bit has been cleared 3181afaf5a2dSDavid Somayajulu * after the soft reset has taken place. 3182afaf5a2dSDavid Somayajulu */ 3183afaf5a2dSDavid Somayajulu spin_lock_irqsave(&ha->hardware_lock, flags); 3184afaf5a2dSDavid Somayajulu ctrl_status = readw(&ha->reg->ctrl_status); 3185afaf5a2dSDavid Somayajulu if ((ctrl_status & CSR_SCSI_RESET_INTR) != 0) { 3186afaf5a2dSDavid Somayajulu writel(set_rmask(CSR_SCSI_RESET_INTR), &ha->reg->ctrl_status); 3187afaf5a2dSDavid Somayajulu readl(&ha->reg->ctrl_status); 3188afaf5a2dSDavid Somayajulu } 3189afaf5a2dSDavid Somayajulu spin_unlock_irqrestore(&ha->hardware_lock, flags); 3190afaf5a2dSDavid Somayajulu 3191afaf5a2dSDavid Somayajulu /* If soft reset fails then most probably the bios on other 3192afaf5a2dSDavid Somayajulu * function is also enabled. 3193afaf5a2dSDavid Somayajulu * Since the initialization is sequential the other fn 3194afaf5a2dSDavid Somayajulu * wont be able to acknowledge the soft reset. 3195afaf5a2dSDavid Somayajulu * Issue a force soft reset to workaround this scenario. 3196afaf5a2dSDavid Somayajulu */ 3197afaf5a2dSDavid Somayajulu if (max_wait_time == 0) { 3198afaf5a2dSDavid Somayajulu /* Issue Force Soft Reset */ 3199afaf5a2dSDavid Somayajulu spin_lock_irqsave(&ha->hardware_lock, flags); 3200afaf5a2dSDavid Somayajulu writel(set_rmask(CSR_FORCE_SOFT_RESET), &ha->reg->ctrl_status); 3201afaf5a2dSDavid Somayajulu readl(&ha->reg->ctrl_status); 3202afaf5a2dSDavid Somayajulu spin_unlock_irqrestore(&ha->hardware_lock, flags); 3203afaf5a2dSDavid Somayajulu /* Wait until the firmware tells us the Soft Reset is done */ 3204afaf5a2dSDavid Somayajulu max_wait_time = SOFT_RESET_TOV; 3205afaf5a2dSDavid Somayajulu do { 3206afaf5a2dSDavid Somayajulu spin_lock_irqsave(&ha->hardware_lock, flags); 3207afaf5a2dSDavid Somayajulu ctrl_status = readw(&ha->reg->ctrl_status); 3208afaf5a2dSDavid Somayajulu spin_unlock_irqrestore(&ha->hardware_lock, flags); 3209afaf5a2dSDavid Somayajulu 3210afaf5a2dSDavid Somayajulu if ((ctrl_status & CSR_FORCE_SOFT_RESET) == 0) { 3211afaf5a2dSDavid Somayajulu status = QLA_SUCCESS; 3212afaf5a2dSDavid Somayajulu break; 3213afaf5a2dSDavid Somayajulu } 3214afaf5a2dSDavid Somayajulu 3215afaf5a2dSDavid Somayajulu msleep(1000); 3216afaf5a2dSDavid Somayajulu } while ((--max_wait_time)); 3217afaf5a2dSDavid Somayajulu } 3218afaf5a2dSDavid Somayajulu 3219afaf5a2dSDavid Somayajulu return status; 3220afaf5a2dSDavid Somayajulu } 3221afaf5a2dSDavid Somayajulu 3222afaf5a2dSDavid Somayajulu /** 3223f4f5df23SVikas Chaudhary * qla4xxx_abort_active_cmds - returns all outstanding i/o requests to O.S. 3224afaf5a2dSDavid Somayajulu * @ha: Pointer to host adapter structure. 3225f4f5df23SVikas Chaudhary * @res: returned scsi status 3226afaf5a2dSDavid Somayajulu * 3227afaf5a2dSDavid Somayajulu * This routine is called just prior to a HARD RESET to return all 3228afaf5a2dSDavid Somayajulu * outstanding commands back to the Operating System. 3229afaf5a2dSDavid Somayajulu * Caller should make sure that the following locks are released 3230afaf5a2dSDavid Somayajulu * before this calling routine: Hardware lock, and io_request_lock. 3231afaf5a2dSDavid Somayajulu **/ 3232f4f5df23SVikas Chaudhary static void qla4xxx_abort_active_cmds(struct scsi_qla_host *ha, int res) 3233afaf5a2dSDavid Somayajulu { 3234afaf5a2dSDavid Somayajulu struct srb *srb; 3235afaf5a2dSDavid Somayajulu int i; 3236afaf5a2dSDavid Somayajulu unsigned long flags; 3237afaf5a2dSDavid Somayajulu 3238afaf5a2dSDavid Somayajulu spin_lock_irqsave(&ha->hardware_lock, flags); 3239afaf5a2dSDavid Somayajulu for (i = 0; i < ha->host->can_queue; i++) { 3240afaf5a2dSDavid Somayajulu srb = qla4xxx_del_from_active_array(ha, i); 3241afaf5a2dSDavid Somayajulu if (srb != NULL) { 3242f4f5df23SVikas Chaudhary srb->cmd->result = res; 324309a0f719SVikas Chaudhary kref_put(&srb->srb_ref, qla4xxx_srb_compl); 3244afaf5a2dSDavid Somayajulu } 3245afaf5a2dSDavid Somayajulu } 3246afaf5a2dSDavid Somayajulu spin_unlock_irqrestore(&ha->hardware_lock, flags); 3247afaf5a2dSDavid Somayajulu } 3248afaf5a2dSDavid Somayajulu 3249f4f5df23SVikas Chaudhary void qla4xxx_dead_adapter_cleanup(struct scsi_qla_host *ha) 3250f4f5df23SVikas Chaudhary { 3251f4f5df23SVikas Chaudhary clear_bit(AF_ONLINE, &ha->flags); 3252f4f5df23SVikas Chaudhary 3253f4f5df23SVikas Chaudhary /* Disable the board */ 3254f4f5df23SVikas Chaudhary ql4_printk(KERN_INFO, ha, "Disabling the board\n"); 3255f4f5df23SVikas Chaudhary 3256f4f5df23SVikas Chaudhary qla4xxx_abort_active_cmds(ha, DID_NO_CONNECT << 16); 3257f4f5df23SVikas Chaudhary qla4xxx_mark_all_devices_missing(ha); 3258f4f5df23SVikas Chaudhary clear_bit(AF_INIT_DONE, &ha->flags); 3259f4f5df23SVikas Chaudhary } 3260f4f5df23SVikas Chaudhary 3261b3a271a9SManish Rangankar static void qla4xxx_fail_session(struct iscsi_cls_session *cls_session) 3262b3a271a9SManish Rangankar { 3263b3a271a9SManish Rangankar struct iscsi_session *sess; 3264b3a271a9SManish Rangankar struct ddb_entry *ddb_entry; 3265b3a271a9SManish Rangankar 3266b3a271a9SManish Rangankar sess = cls_session->dd_data; 3267b3a271a9SManish Rangankar ddb_entry = sess->dd_data; 3268b3a271a9SManish Rangankar ddb_entry->fw_ddb_device_state = DDB_DS_SESSION_FAILED; 326913483730SMike Christie 327013483730SMike Christie if (ddb_entry->ddb_type == FLASH_DDB) 327113483730SMike Christie iscsi_block_session(ddb_entry->sess); 327213483730SMike Christie else 327313483730SMike Christie iscsi_session_failure(cls_session->dd_data, 327413483730SMike Christie ISCSI_ERR_CONN_FAILED); 3275b3a271a9SManish Rangankar } 3276b3a271a9SManish Rangankar 3277afaf5a2dSDavid Somayajulu /** 3278afaf5a2dSDavid Somayajulu * qla4xxx_recover_adapter - recovers adapter after a fatal error 3279afaf5a2dSDavid Somayajulu * @ha: Pointer to host adapter structure. 3280afaf5a2dSDavid Somayajulu **/ 3281f4f5df23SVikas Chaudhary static int qla4xxx_recover_adapter(struct scsi_qla_host *ha) 3282afaf5a2dSDavid Somayajulu { 3283f4f5df23SVikas Chaudhary int status = QLA_ERROR; 3284f4f5df23SVikas Chaudhary uint8_t reset_chip = 0; 32858e0f3a66SSarang Radke uint32_t dev_state; 32869ee91a38SShyam Sunder unsigned long wait; 3287afaf5a2dSDavid Somayajulu 3288afaf5a2dSDavid Somayajulu /* Stall incoming I/O until we are done */ 3289f4f5df23SVikas Chaudhary scsi_block_requests(ha->host); 3290afaf5a2dSDavid Somayajulu clear_bit(AF_ONLINE, &ha->flags); 3291b3a271a9SManish Rangankar clear_bit(AF_LINK_UP, &ha->flags); 329250a29aecSMike Christie 3293f4f5df23SVikas Chaudhary DEBUG2(ql4_printk(KERN_INFO, ha, "%s: adapter OFFLINE\n", __func__)); 3294afaf5a2dSDavid Somayajulu 3295f4f5df23SVikas Chaudhary set_bit(DPC_RESET_ACTIVE, &ha->dpc_flags); 3296afaf5a2dSDavid Somayajulu 3297546fef27STej Parkash if (is_qla8032(ha) && 3298546fef27STej Parkash !test_bit(DPC_RESET_HA_FW_CONTEXT, &ha->dpc_flags)) { 3299546fef27STej Parkash ql4_printk(KERN_INFO, ha, "%s: disabling pause transmit on port 0 & 1.\n", 3300546fef27STej Parkash __func__); 3301546fef27STej Parkash /* disable pause frame for ISP83xx */ 3302546fef27STej Parkash qla4_83xx_disable_pause(ha); 3303546fef27STej Parkash } 3304546fef27STej Parkash 3305b3a271a9SManish Rangankar iscsi_host_for_each_session(ha->host, qla4xxx_fail_session); 3306b3a271a9SManish Rangankar 3307f4f5df23SVikas Chaudhary if (test_bit(DPC_RESET_HA, &ha->dpc_flags)) 3308f4f5df23SVikas Chaudhary reset_chip = 1; 3309afaf5a2dSDavid Somayajulu 3310f4f5df23SVikas Chaudhary /* For the DPC_RESET_HA_INTR case (ISP-4xxx specific) 3311f4f5df23SVikas Chaudhary * do not reset adapter, jump to initialize_adapter */ 3312f4f5df23SVikas Chaudhary if (test_bit(DPC_RESET_HA_INTR, &ha->dpc_flags)) { 3313f4f5df23SVikas Chaudhary status = QLA_SUCCESS; 3314f4f5df23SVikas Chaudhary goto recover_ha_init_adapter; 3315afaf5a2dSDavid Somayajulu } 3316afaf5a2dSDavid Somayajulu 33176e7b4292SVikas Chaudhary /* For the ISP-8xxx adapter, issue a stop_firmware if invoked 3318f4f5df23SVikas Chaudhary * from eh_host_reset or ioctl module */ 33196e7b4292SVikas Chaudhary if (is_qla80XX(ha) && !reset_chip && 3320f4f5df23SVikas Chaudhary test_bit(DPC_RESET_HA_FW_CONTEXT, &ha->dpc_flags)) { 3321f4f5df23SVikas Chaudhary 3322f4f5df23SVikas Chaudhary DEBUG2(ql4_printk(KERN_INFO, ha, 3323f4f5df23SVikas Chaudhary "scsi%ld: %s - Performing stop_firmware...\n", 3324f4f5df23SVikas Chaudhary ha->host_no, __func__)); 3325f4f5df23SVikas Chaudhary status = ha->isp_ops->reset_firmware(ha); 3326f4f5df23SVikas Chaudhary if (status == QLA_SUCCESS) { 33272bd1e2beSNilesh Javali if (!test_bit(AF_FW_RECOVERY, &ha->flags)) 3328f4f5df23SVikas Chaudhary qla4xxx_cmd_wait(ha); 33295c19b92aSVikas Chaudhary 3330f4f5df23SVikas Chaudhary ha->isp_ops->disable_intrs(ha); 3331f4f5df23SVikas Chaudhary qla4xxx_process_aen(ha, FLUSH_DDB_CHANGED_AENS); 3332f4f5df23SVikas Chaudhary qla4xxx_abort_active_cmds(ha, DID_RESET << 16); 3333f4f5df23SVikas Chaudhary } else { 3334f4f5df23SVikas Chaudhary /* If the stop_firmware fails then 3335f4f5df23SVikas Chaudhary * reset the entire chip */ 3336f4f5df23SVikas Chaudhary reset_chip = 1; 3337f4f5df23SVikas Chaudhary clear_bit(DPC_RESET_HA_FW_CONTEXT, &ha->dpc_flags); 3338f4f5df23SVikas Chaudhary set_bit(DPC_RESET_HA, &ha->dpc_flags); 3339f4f5df23SVikas Chaudhary } 3340f4f5df23SVikas Chaudhary } 3341f4f5df23SVikas Chaudhary 3342f4f5df23SVikas Chaudhary /* Issue full chip reset if recovering from a catastrophic error, 33436e7b4292SVikas Chaudhary * or if stop_firmware fails for ISP-8xxx. 3344f4f5df23SVikas Chaudhary * This is the default case for ISP-4xxx */ 3345ee996a69SVikas Chaudhary if (is_qla40XX(ha) || reset_chip) { 3346ee996a69SVikas Chaudhary if (is_qla40XX(ha)) 33479ee91a38SShyam Sunder goto chip_reset; 33489ee91a38SShyam Sunder 33496e7b4292SVikas Chaudhary /* Check if 8XXX firmware is alive or not 33509ee91a38SShyam Sunder * We may have arrived here from NEED_RESET 33519ee91a38SShyam Sunder * detection only */ 33529ee91a38SShyam Sunder if (test_bit(AF_FW_RECOVERY, &ha->flags)) 33539ee91a38SShyam Sunder goto chip_reset; 33549ee91a38SShyam Sunder 33559ee91a38SShyam Sunder wait = jiffies + (FW_ALIVE_WAIT_TOV * HZ); 33569ee91a38SShyam Sunder while (time_before(jiffies, wait)) { 33579ee91a38SShyam Sunder if (qla4_8xxx_check_fw_alive(ha)) { 33589ee91a38SShyam Sunder qla4xxx_mailbox_premature_completion(ha); 33599ee91a38SShyam Sunder break; 33609ee91a38SShyam Sunder } 33619ee91a38SShyam Sunder 33629ee91a38SShyam Sunder set_current_state(TASK_UNINTERRUPTIBLE); 33639ee91a38SShyam Sunder schedule_timeout(HZ); 33649ee91a38SShyam Sunder } 3365da106212SVikas Chaudhary chip_reset: 33662bd1e2beSNilesh Javali if (!test_bit(AF_FW_RECOVERY, &ha->flags)) 3367f4f5df23SVikas Chaudhary qla4xxx_cmd_wait(ha); 3368da106212SVikas Chaudhary 3369f4f5df23SVikas Chaudhary qla4xxx_process_aen(ha, FLUSH_DDB_CHANGED_AENS); 3370f4f5df23SVikas Chaudhary qla4xxx_abort_active_cmds(ha, DID_RESET << 16); 3371f4f5df23SVikas Chaudhary DEBUG2(ql4_printk(KERN_INFO, ha, 3372f4f5df23SVikas Chaudhary "scsi%ld: %s - Performing chip reset..\n", 3373f4f5df23SVikas Chaudhary ha->host_no, __func__)); 3374f4f5df23SVikas Chaudhary status = ha->isp_ops->reset_chip(ha); 3375f4f5df23SVikas Chaudhary } 3376f4f5df23SVikas Chaudhary 3377f4f5df23SVikas Chaudhary /* Flush any pending ddb changed AENs */ 3378f4f5df23SVikas Chaudhary qla4xxx_process_aen(ha, FLUSH_DDB_CHANGED_AENS); 3379f4f5df23SVikas Chaudhary 3380f4f5df23SVikas Chaudhary recover_ha_init_adapter: 3381f4f5df23SVikas Chaudhary /* Upon successful firmware/chip reset, re-initialize the adapter */ 3382f4f5df23SVikas Chaudhary if (status == QLA_SUCCESS) { 3383f4f5df23SVikas Chaudhary /* For ISP-4xxx, force function 1 to always initialize 3384f4f5df23SVikas Chaudhary * before function 3 to prevent both funcions from 3385f4f5df23SVikas Chaudhary * stepping on top of the other */ 3386ee996a69SVikas Chaudhary if (is_qla40XX(ha) && (ha->mac_index == 3)) 3387f4f5df23SVikas Chaudhary ssleep(6); 3388f4f5df23SVikas Chaudhary 3389f4f5df23SVikas Chaudhary /* NOTE: AF_ONLINE flag set upon successful completion of 3390f4f5df23SVikas Chaudhary * qla4xxx_initialize_adapter */ 339113483730SMike Christie status = qla4xxx_initialize_adapter(ha, RESET_ADAPTER); 3392f4f5df23SVikas Chaudhary } 3393f4f5df23SVikas Chaudhary 3394f4f5df23SVikas Chaudhary /* Retry failed adapter initialization, if necessary 3395f4f5df23SVikas Chaudhary * Do not retry initialize_adapter for RESET_HA_INTR (ISP-4xxx specific) 3396f4f5df23SVikas Chaudhary * case to prevent ping-pong resets between functions */ 3397f4f5df23SVikas Chaudhary if (!test_bit(AF_ONLINE, &ha->flags) && 3398f4f5df23SVikas Chaudhary !test_bit(DPC_RESET_HA_INTR, &ha->dpc_flags)) { 3399afaf5a2dSDavid Somayajulu /* Adapter initialization failed, see if we can retry 3400f4f5df23SVikas Chaudhary * resetting the ha. 3401f4f5df23SVikas Chaudhary * Since we don't want to block the DPC for too long 3402f4f5df23SVikas Chaudhary * with multiple resets in the same thread, 3403f4f5df23SVikas Chaudhary * utilize DPC to retry */ 34046e7b4292SVikas Chaudhary if (is_qla80XX(ha)) { 340533693c7aSVikas Chaudhary ha->isp_ops->idc_lock(ha); 340633693c7aSVikas Chaudhary dev_state = qla4_8xxx_rd_direct(ha, 340733693c7aSVikas Chaudhary QLA8XXX_CRB_DEV_STATE); 340833693c7aSVikas Chaudhary ha->isp_ops->idc_unlock(ha); 3409de8c72daSVikas Chaudhary if (dev_state == QLA8XXX_DEV_FAILED) { 34108e0f3a66SSarang Radke ql4_printk(KERN_INFO, ha, "%s: don't retry " 34118e0f3a66SSarang Radke "recover adapter. H/W is in Failed " 34128e0f3a66SSarang Radke "state\n", __func__); 34138e0f3a66SSarang Radke qla4xxx_dead_adapter_cleanup(ha); 34148e0f3a66SSarang Radke clear_bit(DPC_RETRY_RESET_HA, &ha->dpc_flags); 34158e0f3a66SSarang Radke clear_bit(DPC_RESET_HA, &ha->dpc_flags); 34168e0f3a66SSarang Radke clear_bit(DPC_RESET_HA_FW_CONTEXT, 34178e0f3a66SSarang Radke &ha->dpc_flags); 34188e0f3a66SSarang Radke status = QLA_ERROR; 34198e0f3a66SSarang Radke 34208e0f3a66SSarang Radke goto exit_recover; 34218e0f3a66SSarang Radke } 34228e0f3a66SSarang Radke } 34238e0f3a66SSarang Radke 3424afaf5a2dSDavid Somayajulu if (!test_bit(DPC_RETRY_RESET_HA, &ha->dpc_flags)) { 3425afaf5a2dSDavid Somayajulu ha->retry_reset_ha_cnt = MAX_RESET_HA_RETRIES; 3426afaf5a2dSDavid Somayajulu DEBUG2(printk("scsi%ld: recover adapter - retrying " 3427afaf5a2dSDavid Somayajulu "(%d) more times\n", ha->host_no, 3428afaf5a2dSDavid Somayajulu ha->retry_reset_ha_cnt)); 3429afaf5a2dSDavid Somayajulu set_bit(DPC_RETRY_RESET_HA, &ha->dpc_flags); 3430afaf5a2dSDavid Somayajulu status = QLA_ERROR; 3431afaf5a2dSDavid Somayajulu } else { 3432afaf5a2dSDavid Somayajulu if (ha->retry_reset_ha_cnt > 0) { 3433afaf5a2dSDavid Somayajulu /* Schedule another Reset HA--DPC will retry */ 3434afaf5a2dSDavid Somayajulu ha->retry_reset_ha_cnt--; 3435afaf5a2dSDavid Somayajulu DEBUG2(printk("scsi%ld: recover adapter - " 3436afaf5a2dSDavid Somayajulu "retry remaining %d\n", 3437afaf5a2dSDavid Somayajulu ha->host_no, 3438afaf5a2dSDavid Somayajulu ha->retry_reset_ha_cnt)); 3439afaf5a2dSDavid Somayajulu status = QLA_ERROR; 3440afaf5a2dSDavid Somayajulu } 3441afaf5a2dSDavid Somayajulu 3442afaf5a2dSDavid Somayajulu if (ha->retry_reset_ha_cnt == 0) { 3443afaf5a2dSDavid Somayajulu /* Recover adapter retries have been exhausted. 3444afaf5a2dSDavid Somayajulu * Adapter DEAD */ 3445afaf5a2dSDavid Somayajulu DEBUG2(printk("scsi%ld: recover adapter " 3446afaf5a2dSDavid Somayajulu "failed - board disabled\n", 3447afaf5a2dSDavid Somayajulu ha->host_no)); 3448f4f5df23SVikas Chaudhary qla4xxx_dead_adapter_cleanup(ha); 3449afaf5a2dSDavid Somayajulu clear_bit(DPC_RETRY_RESET_HA, &ha->dpc_flags); 3450afaf5a2dSDavid Somayajulu clear_bit(DPC_RESET_HA, &ha->dpc_flags); 3451f4f5df23SVikas Chaudhary clear_bit(DPC_RESET_HA_FW_CONTEXT, 3452afaf5a2dSDavid Somayajulu &ha->dpc_flags); 3453afaf5a2dSDavid Somayajulu status = QLA_ERROR; 3454afaf5a2dSDavid Somayajulu } 3455afaf5a2dSDavid Somayajulu } 3456afaf5a2dSDavid Somayajulu } else { 3457afaf5a2dSDavid Somayajulu clear_bit(DPC_RESET_HA, &ha->dpc_flags); 3458f4f5df23SVikas Chaudhary clear_bit(DPC_RESET_HA_FW_CONTEXT, &ha->dpc_flags); 3459afaf5a2dSDavid Somayajulu clear_bit(DPC_RETRY_RESET_HA, &ha->dpc_flags); 3460afaf5a2dSDavid Somayajulu } 3461afaf5a2dSDavid Somayajulu 34628e0f3a66SSarang Radke exit_recover: 3463afaf5a2dSDavid Somayajulu ha->adapter_error_count++; 3464afaf5a2dSDavid Somayajulu 3465f4f5df23SVikas Chaudhary if (test_bit(AF_ONLINE, &ha->flags)) 3466f4f5df23SVikas Chaudhary ha->isp_ops->enable_intrs(ha); 3467afaf5a2dSDavid Somayajulu 3468f4f5df23SVikas Chaudhary scsi_unblock_requests(ha->host); 3469f4f5df23SVikas Chaudhary 3470f4f5df23SVikas Chaudhary clear_bit(DPC_RESET_ACTIVE, &ha->dpc_flags); 3471f4f5df23SVikas Chaudhary DEBUG2(printk("scsi%ld: recover adapter: %s\n", ha->host_no, 347225985edcSLucas De Marchi status == QLA_ERROR ? "FAILED" : "SUCCEEDED")); 3473f4f5df23SVikas Chaudhary 3474afaf5a2dSDavid Somayajulu return status; 3475afaf5a2dSDavid Somayajulu } 3476afaf5a2dSDavid Somayajulu 3477b3a271a9SManish Rangankar static void qla4xxx_relogin_devices(struct iscsi_cls_session *cls_session) 3478b3a271a9SManish Rangankar { 3479b3a271a9SManish Rangankar struct iscsi_session *sess; 3480b3a271a9SManish Rangankar struct ddb_entry *ddb_entry; 3481b3a271a9SManish Rangankar struct scsi_qla_host *ha; 3482b3a271a9SManish Rangankar 3483b3a271a9SManish Rangankar sess = cls_session->dd_data; 3484b3a271a9SManish Rangankar ddb_entry = sess->dd_data; 3485b3a271a9SManish Rangankar ha = ddb_entry->ha; 3486b3a271a9SManish Rangankar if (!iscsi_is_session_online(cls_session)) { 3487b3a271a9SManish Rangankar if (ddb_entry->fw_ddb_device_state == DDB_DS_SESSION_ACTIVE) { 3488b3a271a9SManish Rangankar ql4_printk(KERN_INFO, ha, "scsi%ld: %s: ddb[%d]" 3489b3a271a9SManish Rangankar " unblock session\n", ha->host_no, __func__, 3490b3a271a9SManish Rangankar ddb_entry->fw_ddb_index); 3491b3a271a9SManish Rangankar iscsi_unblock_session(ddb_entry->sess); 3492b3a271a9SManish Rangankar } else { 3493b3a271a9SManish Rangankar /* Trigger relogin */ 349413483730SMike Christie if (ddb_entry->ddb_type == FLASH_DDB) { 349513483730SMike Christie if (!test_bit(DF_RELOGIN, &ddb_entry->flags)) 349613483730SMike Christie qla4xxx_arm_relogin_timer(ddb_entry); 349713483730SMike Christie } else 3498b3a271a9SManish Rangankar iscsi_session_failure(cls_session->dd_data, 3499b3a271a9SManish Rangankar ISCSI_ERR_CONN_FAILED); 3500b3a271a9SManish Rangankar } 3501b3a271a9SManish Rangankar } 3502b3a271a9SManish Rangankar } 3503b3a271a9SManish Rangankar 350413483730SMike Christie int qla4xxx_unblock_flash_ddb(struct iscsi_cls_session *cls_session) 350513483730SMike Christie { 350613483730SMike Christie struct iscsi_session *sess; 350713483730SMike Christie struct ddb_entry *ddb_entry; 350813483730SMike Christie struct scsi_qla_host *ha; 350913483730SMike Christie 351013483730SMike Christie sess = cls_session->dd_data; 351113483730SMike Christie ddb_entry = sess->dd_data; 351213483730SMike Christie ha = ddb_entry->ha; 351313483730SMike Christie ql4_printk(KERN_INFO, ha, "scsi%ld: %s: ddb[%d]" 351413483730SMike Christie " unblock session\n", ha->host_no, __func__, 351513483730SMike Christie ddb_entry->fw_ddb_index); 351613483730SMike Christie 351713483730SMike Christie iscsi_unblock_session(ddb_entry->sess); 351813483730SMike Christie 351913483730SMike Christie /* Start scan target */ 352013483730SMike Christie if (test_bit(AF_ONLINE, &ha->flags)) { 352113483730SMike Christie ql4_printk(KERN_INFO, ha, "scsi%ld: %s: ddb[%d]" 352213483730SMike Christie " start scan\n", ha->host_no, __func__, 352313483730SMike Christie ddb_entry->fw_ddb_index); 352413483730SMike Christie scsi_queue_work(ha->host, &ddb_entry->sess->scan_work); 352513483730SMike Christie } 352613483730SMike Christie return QLA_SUCCESS; 352713483730SMike Christie } 352813483730SMike Christie 352913483730SMike Christie int qla4xxx_unblock_ddb(struct iscsi_cls_session *cls_session) 353013483730SMike Christie { 353113483730SMike Christie struct iscsi_session *sess; 353213483730SMike Christie struct ddb_entry *ddb_entry; 353313483730SMike Christie struct scsi_qla_host *ha; 353480c53e64SManish Rangankar int status = QLA_SUCCESS; 353513483730SMike Christie 353613483730SMike Christie sess = cls_session->dd_data; 353713483730SMike Christie ddb_entry = sess->dd_data; 353813483730SMike Christie ha = ddb_entry->ha; 353913483730SMike Christie ql4_printk(KERN_INFO, ha, "scsi%ld: %s: ddb[%d]" 354013483730SMike Christie " unblock user space session\n", ha->host_no, __func__, 354113483730SMike Christie ddb_entry->fw_ddb_index); 354280c53e64SManish Rangankar 354380c53e64SManish Rangankar if (!iscsi_is_session_online(cls_session)) { 354413483730SMike Christie iscsi_conn_start(ddb_entry->conn); 354513483730SMike Christie iscsi_conn_login_event(ddb_entry->conn, 354613483730SMike Christie ISCSI_CONN_STATE_LOGGED_IN); 354780c53e64SManish Rangankar } else { 354880c53e64SManish Rangankar ql4_printk(KERN_INFO, ha, 354980c53e64SManish Rangankar "scsi%ld: %s: ddb[%d] session [%d] already logged in\n", 355080c53e64SManish Rangankar ha->host_no, __func__, ddb_entry->fw_ddb_index, 355180c53e64SManish Rangankar cls_session->sid); 355280c53e64SManish Rangankar status = QLA_ERROR; 355380c53e64SManish Rangankar } 355413483730SMike Christie 355580c53e64SManish Rangankar return status; 355613483730SMike Christie } 355713483730SMike Christie 35582d7924e6SVikas Chaudhary static void qla4xxx_relogin_all_devices(struct scsi_qla_host *ha) 35592d7924e6SVikas Chaudhary { 3560b3a271a9SManish Rangankar iscsi_host_for_each_session(ha->host, qla4xxx_relogin_devices); 35612d7924e6SVikas Chaudhary } 35622d7924e6SVikas Chaudhary 356313483730SMike Christie static void qla4xxx_relogin_flash_ddb(struct iscsi_cls_session *cls_sess) 356413483730SMike Christie { 356513483730SMike Christie uint16_t relogin_timer; 356613483730SMike Christie struct iscsi_session *sess; 356713483730SMike Christie struct ddb_entry *ddb_entry; 356813483730SMike Christie struct scsi_qla_host *ha; 356913483730SMike Christie 357013483730SMike Christie sess = cls_sess->dd_data; 357113483730SMike Christie ddb_entry = sess->dd_data; 357213483730SMike Christie ha = ddb_entry->ha; 357313483730SMike Christie 357413483730SMike Christie relogin_timer = max(ddb_entry->default_relogin_timeout, 357513483730SMike Christie (uint16_t)RELOGIN_TOV); 357613483730SMike Christie atomic_set(&ddb_entry->relogin_timer, relogin_timer); 357713483730SMike Christie 357813483730SMike Christie DEBUG2(ql4_printk(KERN_INFO, ha, 357913483730SMike Christie "scsi%ld: Relogin index [%d]. TOV=%d\n", ha->host_no, 358013483730SMike Christie ddb_entry->fw_ddb_index, relogin_timer)); 358113483730SMike Christie 358213483730SMike Christie qla4xxx_login_flash_ddb(cls_sess); 358313483730SMike Christie } 358413483730SMike Christie 358513483730SMike Christie static void qla4xxx_dpc_relogin(struct iscsi_cls_session *cls_sess) 358613483730SMike Christie { 358713483730SMike Christie struct iscsi_session *sess; 358813483730SMike Christie struct ddb_entry *ddb_entry; 358913483730SMike Christie struct scsi_qla_host *ha; 359013483730SMike Christie 359113483730SMike Christie sess = cls_sess->dd_data; 359213483730SMike Christie ddb_entry = sess->dd_data; 359313483730SMike Christie ha = ddb_entry->ha; 359413483730SMike Christie 359513483730SMike Christie if (!(ddb_entry->ddb_type == FLASH_DDB)) 359613483730SMike Christie return; 359713483730SMike Christie 359813483730SMike Christie if (test_and_clear_bit(DF_RELOGIN, &ddb_entry->flags) && 359913483730SMike Christie !iscsi_is_session_online(cls_sess)) { 360013483730SMike Christie DEBUG2(ql4_printk(KERN_INFO, ha, 360113483730SMike Christie "relogin issued\n")); 360213483730SMike Christie qla4xxx_relogin_flash_ddb(cls_sess); 360313483730SMike Christie } 360413483730SMike Christie } 360513483730SMike Christie 3606f4f5df23SVikas Chaudhary void qla4xxx_wake_dpc(struct scsi_qla_host *ha) 3607f4f5df23SVikas Chaudhary { 36081b46807eSLalit Chandivade if (ha->dpc_thread) 3609f4f5df23SVikas Chaudhary queue_work(ha->dpc_thread, &ha->dpc_work); 3610f4f5df23SVikas Chaudhary } 3611f4f5df23SVikas Chaudhary 3612ff884430SVikas Chaudhary static struct qla4_work_evt * 3613ff884430SVikas Chaudhary qla4xxx_alloc_work(struct scsi_qla_host *ha, uint32_t data_size, 3614ff884430SVikas Chaudhary enum qla4_work_type type) 3615ff884430SVikas Chaudhary { 3616ff884430SVikas Chaudhary struct qla4_work_evt *e; 3617ff884430SVikas Chaudhary uint32_t size = sizeof(struct qla4_work_evt) + data_size; 3618ff884430SVikas Chaudhary 3619ff884430SVikas Chaudhary e = kzalloc(size, GFP_ATOMIC); 3620ff884430SVikas Chaudhary if (!e) 3621ff884430SVikas Chaudhary return NULL; 3622ff884430SVikas Chaudhary 3623ff884430SVikas Chaudhary INIT_LIST_HEAD(&e->list); 3624ff884430SVikas Chaudhary e->type = type; 3625ff884430SVikas Chaudhary return e; 3626ff884430SVikas Chaudhary } 3627ff884430SVikas Chaudhary 3628ff884430SVikas Chaudhary static void qla4xxx_post_work(struct scsi_qla_host *ha, 3629ff884430SVikas Chaudhary struct qla4_work_evt *e) 3630ff884430SVikas Chaudhary { 3631ff884430SVikas Chaudhary unsigned long flags; 3632ff884430SVikas Chaudhary 3633ff884430SVikas Chaudhary spin_lock_irqsave(&ha->work_lock, flags); 3634ff884430SVikas Chaudhary list_add_tail(&e->list, &ha->work_list); 3635ff884430SVikas Chaudhary spin_unlock_irqrestore(&ha->work_lock, flags); 3636ff884430SVikas Chaudhary qla4xxx_wake_dpc(ha); 3637ff884430SVikas Chaudhary } 3638ff884430SVikas Chaudhary 3639ff884430SVikas Chaudhary int qla4xxx_post_aen_work(struct scsi_qla_host *ha, 3640ff884430SVikas Chaudhary enum iscsi_host_event_code aen_code, 3641ff884430SVikas Chaudhary uint32_t data_size, uint8_t *data) 3642ff884430SVikas Chaudhary { 3643ff884430SVikas Chaudhary struct qla4_work_evt *e; 3644ff884430SVikas Chaudhary 3645ff884430SVikas Chaudhary e = qla4xxx_alloc_work(ha, data_size, QLA4_EVENT_AEN); 3646ff884430SVikas Chaudhary if (!e) 3647ff884430SVikas Chaudhary return QLA_ERROR; 3648ff884430SVikas Chaudhary 3649ff884430SVikas Chaudhary e->u.aen.code = aen_code; 3650ff884430SVikas Chaudhary e->u.aen.data_size = data_size; 3651ff884430SVikas Chaudhary memcpy(e->u.aen.data, data, data_size); 3652ff884430SVikas Chaudhary 3653ff884430SVikas Chaudhary qla4xxx_post_work(ha, e); 3654ff884430SVikas Chaudhary 3655ff884430SVikas Chaudhary return QLA_SUCCESS; 3656ff884430SVikas Chaudhary } 3657ff884430SVikas Chaudhary 3658c0b9d3f7SVikas Chaudhary int qla4xxx_post_ping_evt_work(struct scsi_qla_host *ha, 3659c0b9d3f7SVikas Chaudhary uint32_t status, uint32_t pid, 3660c0b9d3f7SVikas Chaudhary uint32_t data_size, uint8_t *data) 3661c0b9d3f7SVikas Chaudhary { 3662c0b9d3f7SVikas Chaudhary struct qla4_work_evt *e; 3663c0b9d3f7SVikas Chaudhary 3664c0b9d3f7SVikas Chaudhary e = qla4xxx_alloc_work(ha, data_size, QLA4_EVENT_PING_STATUS); 3665c0b9d3f7SVikas Chaudhary if (!e) 3666c0b9d3f7SVikas Chaudhary return QLA_ERROR; 3667c0b9d3f7SVikas Chaudhary 3668c0b9d3f7SVikas Chaudhary e->u.ping.status = status; 3669c0b9d3f7SVikas Chaudhary e->u.ping.pid = pid; 3670c0b9d3f7SVikas Chaudhary e->u.ping.data_size = data_size; 3671c0b9d3f7SVikas Chaudhary memcpy(e->u.ping.data, data, data_size); 3672c0b9d3f7SVikas Chaudhary 3673c0b9d3f7SVikas Chaudhary qla4xxx_post_work(ha, e); 3674c0b9d3f7SVikas Chaudhary 3675c0b9d3f7SVikas Chaudhary return QLA_SUCCESS; 3676c0b9d3f7SVikas Chaudhary } 3677c0b9d3f7SVikas Chaudhary 3678a7380a65SVikas Chaudhary static void qla4xxx_do_work(struct scsi_qla_host *ha) 3679ff884430SVikas Chaudhary { 3680ff884430SVikas Chaudhary struct qla4_work_evt *e, *tmp; 3681ff884430SVikas Chaudhary unsigned long flags; 3682ff884430SVikas Chaudhary LIST_HEAD(work); 3683ff884430SVikas Chaudhary 3684ff884430SVikas Chaudhary spin_lock_irqsave(&ha->work_lock, flags); 3685ff884430SVikas Chaudhary list_splice_init(&ha->work_list, &work); 3686ff884430SVikas Chaudhary spin_unlock_irqrestore(&ha->work_lock, flags); 3687ff884430SVikas Chaudhary 3688ff884430SVikas Chaudhary list_for_each_entry_safe(e, tmp, &work, list) { 3689ff884430SVikas Chaudhary list_del_init(&e->list); 3690ff884430SVikas Chaudhary 3691ff884430SVikas Chaudhary switch (e->type) { 3692ff884430SVikas Chaudhary case QLA4_EVENT_AEN: 3693ff884430SVikas Chaudhary iscsi_post_host_event(ha->host_no, 3694ff884430SVikas Chaudhary &qla4xxx_iscsi_transport, 3695ff884430SVikas Chaudhary e->u.aen.code, 3696ff884430SVikas Chaudhary e->u.aen.data_size, 3697ff884430SVikas Chaudhary e->u.aen.data); 3698ff884430SVikas Chaudhary break; 3699c0b9d3f7SVikas Chaudhary case QLA4_EVENT_PING_STATUS: 3700c0b9d3f7SVikas Chaudhary iscsi_ping_comp_event(ha->host_no, 3701c0b9d3f7SVikas Chaudhary &qla4xxx_iscsi_transport, 3702c0b9d3f7SVikas Chaudhary e->u.ping.status, 3703c0b9d3f7SVikas Chaudhary e->u.ping.pid, 3704c0b9d3f7SVikas Chaudhary e->u.ping.data_size, 3705c0b9d3f7SVikas Chaudhary e->u.ping.data); 3706c0b9d3f7SVikas Chaudhary break; 3707ff884430SVikas Chaudhary default: 3708ff884430SVikas Chaudhary ql4_printk(KERN_WARNING, ha, "event type: 0x%x not " 3709ff884430SVikas Chaudhary "supported", e->type); 3710ff884430SVikas Chaudhary } 3711ff884430SVikas Chaudhary kfree(e); 3712ff884430SVikas Chaudhary } 3713ff884430SVikas Chaudhary } 3714ff884430SVikas Chaudhary 3715afaf5a2dSDavid Somayajulu /** 3716afaf5a2dSDavid Somayajulu * qla4xxx_do_dpc - dpc routine 3717afaf5a2dSDavid Somayajulu * @data: in our case pointer to adapter structure 3718afaf5a2dSDavid Somayajulu * 3719afaf5a2dSDavid Somayajulu * This routine is a task that is schedule by the interrupt handler 3720afaf5a2dSDavid Somayajulu * to perform the background processing for interrupts. We put it 3721afaf5a2dSDavid Somayajulu * on a task queue that is consumed whenever the scheduler runs; that's 3722afaf5a2dSDavid Somayajulu * so you can do anything (i.e. put the process to sleep etc). In fact, 3723afaf5a2dSDavid Somayajulu * the mid-level tries to sleep when it reaches the driver threshold 3724afaf5a2dSDavid Somayajulu * "host->can_queue". This can cause a panic if we were in our interrupt code. 3725afaf5a2dSDavid Somayajulu **/ 3726c4028958SDavid Howells static void qla4xxx_do_dpc(struct work_struct *work) 3727afaf5a2dSDavid Somayajulu { 3728c4028958SDavid Howells struct scsi_qla_host *ha = 3729c4028958SDavid Howells container_of(work, struct scsi_qla_host, dpc_work); 3730477ffb9dSDavid C Somayajulu int status = QLA_ERROR; 3731afaf5a2dSDavid Somayajulu 3732f26b9044SDavid C Somayajulu DEBUG2(printk("scsi%ld: %s: DPC handler waking up." 3733f4f5df23SVikas Chaudhary "flags = 0x%08lx, dpc_flags = 0x%08lx\n", 3734f4f5df23SVikas Chaudhary ha->host_no, __func__, ha->flags, ha->dpc_flags)) 3735afaf5a2dSDavid Somayajulu 3736afaf5a2dSDavid Somayajulu /* Initialization not yet finished. Don't do anything yet. */ 3737afaf5a2dSDavid Somayajulu if (!test_bit(AF_INIT_DONE, &ha->flags)) 37381b46807eSLalit Chandivade return; 3739afaf5a2dSDavid Somayajulu 37402232be0dSLalit Chandivade if (test_bit(AF_EEH_BUSY, &ha->flags)) { 37412232be0dSLalit Chandivade DEBUG2(printk(KERN_INFO "scsi%ld: %s: flags = %lx\n", 37422232be0dSLalit Chandivade ha->host_no, __func__, ha->flags)); 37431b46807eSLalit Chandivade return; 37442232be0dSLalit Chandivade } 37452232be0dSLalit Chandivade 3746ff884430SVikas Chaudhary /* post events to application */ 3747ff884430SVikas Chaudhary qla4xxx_do_work(ha); 3748ff884430SVikas Chaudhary 37496e7b4292SVikas Chaudhary if (is_qla80XX(ha)) { 3750f4f5df23SVikas Chaudhary if (test_bit(DPC_HA_UNRECOVERABLE, &ha->dpc_flags)) { 3751546fef27STej Parkash if (is_qla8032(ha)) { 3752546fef27STej Parkash ql4_printk(KERN_INFO, ha, "%s: disabling pause transmit on port 0 & 1.\n", 3753546fef27STej Parkash __func__); 3754546fef27STej Parkash /* disable pause frame for ISP83xx */ 3755546fef27STej Parkash qla4_83xx_disable_pause(ha); 3756546fef27STej Parkash } 3757546fef27STej Parkash 375833693c7aSVikas Chaudhary ha->isp_ops->idc_lock(ha); 375933693c7aSVikas Chaudhary qla4_8xxx_wr_direct(ha, QLA8XXX_CRB_DEV_STATE, 3760de8c72daSVikas Chaudhary QLA8XXX_DEV_FAILED); 376133693c7aSVikas Chaudhary ha->isp_ops->idc_unlock(ha); 3762f4f5df23SVikas Chaudhary ql4_printk(KERN_INFO, ha, "HW State: FAILED\n"); 3763f4f5df23SVikas Chaudhary qla4_8xxx_device_state_handler(ha); 3764f4f5df23SVikas Chaudhary } 3765320a61deSNilesh Javali 3766320a61deSNilesh Javali if (test_and_clear_bit(DPC_POST_IDC_ACK, &ha->dpc_flags)) 3767320a61deSNilesh Javali qla4_83xx_post_idc_ack(ha); 3768320a61deSNilesh Javali 3769f4f5df23SVikas Chaudhary if (test_and_clear_bit(DPC_HA_NEED_QUIESCENT, &ha->dpc_flags)) { 3770f4f5df23SVikas Chaudhary qla4_8xxx_need_qsnt_handler(ha); 3771f4f5df23SVikas Chaudhary } 3772f4f5df23SVikas Chaudhary } 3773f4f5df23SVikas Chaudhary 3774f4f5df23SVikas Chaudhary if (!test_bit(DPC_RESET_ACTIVE, &ha->dpc_flags) && 3775f4f5df23SVikas Chaudhary (test_bit(DPC_RESET_HA, &ha->dpc_flags) || 3776afaf5a2dSDavid Somayajulu test_bit(DPC_RESET_HA_INTR, &ha->dpc_flags) || 3777f4f5df23SVikas Chaudhary test_bit(DPC_RESET_HA_FW_CONTEXT, &ha->dpc_flags))) { 37786e7b4292SVikas Chaudhary if ((is_qla8022(ha) && ql4xdontresethba) || 37796e7b4292SVikas Chaudhary (is_qla8032(ha) && qla4_83xx_idc_dontreset(ha))) { 3780f4f5df23SVikas Chaudhary DEBUG2(printk("scsi%ld: %s: Don't Reset HBA\n", 3781f4f5df23SVikas Chaudhary ha->host_no, __func__)); 3782f4f5df23SVikas Chaudhary clear_bit(DPC_RESET_HA, &ha->dpc_flags); 3783f4f5df23SVikas Chaudhary clear_bit(DPC_RESET_HA_INTR, &ha->dpc_flags); 3784f4f5df23SVikas Chaudhary clear_bit(DPC_RESET_HA_FW_CONTEXT, &ha->dpc_flags); 3785f4f5df23SVikas Chaudhary goto dpc_post_reset_ha; 3786f4f5df23SVikas Chaudhary } 3787f4f5df23SVikas Chaudhary if (test_bit(DPC_RESET_HA_FW_CONTEXT, &ha->dpc_flags) || 3788f26b9044SDavid C Somayajulu test_bit(DPC_RESET_HA, &ha->dpc_flags)) 3789f4f5df23SVikas Chaudhary qla4xxx_recover_adapter(ha); 3790afaf5a2dSDavid Somayajulu 3791477ffb9dSDavid C Somayajulu if (test_bit(DPC_RESET_HA_INTR, &ha->dpc_flags)) { 3792afaf5a2dSDavid Somayajulu uint8_t wait_time = RESET_INTR_TOV; 3793afaf5a2dSDavid Somayajulu 3794afaf5a2dSDavid Somayajulu while ((readw(&ha->reg->ctrl_status) & 3795afaf5a2dSDavid Somayajulu (CSR_SOFT_RESET | CSR_FORCE_SOFT_RESET)) != 0) { 3796afaf5a2dSDavid Somayajulu if (--wait_time == 0) 3797afaf5a2dSDavid Somayajulu break; 3798afaf5a2dSDavid Somayajulu msleep(1000); 3799afaf5a2dSDavid Somayajulu } 3800afaf5a2dSDavid Somayajulu if (wait_time == 0) 3801afaf5a2dSDavid Somayajulu DEBUG2(printk("scsi%ld: %s: SR|FSR " 3802afaf5a2dSDavid Somayajulu "bit not cleared-- resetting\n", 3803afaf5a2dSDavid Somayajulu ha->host_no, __func__)); 3804f4f5df23SVikas Chaudhary qla4xxx_abort_active_cmds(ha, DID_RESET << 16); 3805477ffb9dSDavid C Somayajulu if (ql4xxx_lock_drvr_wait(ha) == QLA_SUCCESS) { 3806477ffb9dSDavid C Somayajulu qla4xxx_process_aen(ha, FLUSH_DDB_CHANGED_AENS); 3807f4f5df23SVikas Chaudhary status = qla4xxx_recover_adapter(ha); 3808477ffb9dSDavid C Somayajulu } 3809477ffb9dSDavid C Somayajulu clear_bit(DPC_RESET_HA_INTR, &ha->dpc_flags); 3810477ffb9dSDavid C Somayajulu if (status == QLA_SUCCESS) 3811f4f5df23SVikas Chaudhary ha->isp_ops->enable_intrs(ha); 3812afaf5a2dSDavid Somayajulu } 3813afaf5a2dSDavid Somayajulu } 3814afaf5a2dSDavid Somayajulu 3815f4f5df23SVikas Chaudhary dpc_post_reset_ha: 3816afaf5a2dSDavid Somayajulu /* ---- process AEN? --- */ 3817afaf5a2dSDavid Somayajulu if (test_and_clear_bit(DPC_AEN, &ha->dpc_flags)) 3818afaf5a2dSDavid Somayajulu qla4xxx_process_aen(ha, PROCESS_ALL_AENS); 3819afaf5a2dSDavid Somayajulu 3820afaf5a2dSDavid Somayajulu /* ---- Get DHCP IP Address? --- */ 3821afaf5a2dSDavid Somayajulu if (test_and_clear_bit(DPC_GET_DHCP_IP_ADDR, &ha->dpc_flags)) 3822afaf5a2dSDavid Somayajulu qla4xxx_get_dhcp_ip_address(ha); 3823afaf5a2dSDavid Somayajulu 382413483730SMike Christie /* ---- relogin device? --- */ 382513483730SMike Christie if (adapter_up(ha) && 382613483730SMike Christie test_and_clear_bit(DPC_RELOGIN_DEVICE, &ha->dpc_flags)) { 382713483730SMike Christie iscsi_host_for_each_session(ha->host, qla4xxx_dpc_relogin); 382813483730SMike Christie } 382913483730SMike Christie 3830065aa1b4SVikas Chaudhary /* ---- link change? --- */ 3831026fbd3aSNilesh Javali if (!test_bit(AF_LOOPBACK, &ha->flags) && 3832026fbd3aSNilesh Javali test_and_clear_bit(DPC_LINK_CHANGED, &ha->dpc_flags)) { 3833065aa1b4SVikas Chaudhary if (!test_bit(AF_LINK_UP, &ha->flags)) { 3834065aa1b4SVikas Chaudhary /* ---- link down? --- */ 38352d7924e6SVikas Chaudhary qla4xxx_mark_all_devices_missing(ha); 3836065aa1b4SVikas Chaudhary } else { 3837065aa1b4SVikas Chaudhary /* ---- link up? --- * 3838065aa1b4SVikas Chaudhary * F/W will auto login to all devices ONLY ONCE after 3839065aa1b4SVikas Chaudhary * link up during driver initialization and runtime 3840065aa1b4SVikas Chaudhary * fatal error recovery. Therefore, the driver must 3841065aa1b4SVikas Chaudhary * manually relogin to devices when recovering from 3842065aa1b4SVikas Chaudhary * connection failures, logouts, expired KATO, etc. */ 384313483730SMike Christie if (test_and_clear_bit(AF_BUILD_DDB_LIST, &ha->flags)) { 384413483730SMike Christie qla4xxx_build_ddb_list(ha, ha->is_reset); 384513483730SMike Christie iscsi_host_for_each_session(ha->host, 384613483730SMike Christie qla4xxx_login_flash_ddb); 384713483730SMike Christie } else 38482d7924e6SVikas Chaudhary qla4xxx_relogin_all_devices(ha); 3849065aa1b4SVikas Chaudhary } 3850065aa1b4SVikas Chaudhary } 3851afaf5a2dSDavid Somayajulu } 3852afaf5a2dSDavid Somayajulu 3853afaf5a2dSDavid Somayajulu /** 3854afaf5a2dSDavid Somayajulu * qla4xxx_free_adapter - release the adapter 3855afaf5a2dSDavid Somayajulu * @ha: pointer to adapter structure 3856afaf5a2dSDavid Somayajulu **/ 3857afaf5a2dSDavid Somayajulu static void qla4xxx_free_adapter(struct scsi_qla_host *ha) 3858afaf5a2dSDavid Somayajulu { 38598a288960SSarang Radke qla4xxx_abort_active_cmds(ha, DID_NO_CONNECT << 16); 3860afaf5a2dSDavid Somayajulu 3861afaf5a2dSDavid Somayajulu /* Turn-off interrupts on the card. */ 3862f4f5df23SVikas Chaudhary ha->isp_ops->disable_intrs(ha); 3863afaf5a2dSDavid Somayajulu 3864d9e62e51SVikas Chaudhary if (is_qla40XX(ha)) { 3865d9e62e51SVikas Chaudhary writel(set_rmask(CSR_SCSI_PROCESSOR_INTR), 3866d9e62e51SVikas Chaudhary &ha->reg->ctrl_status); 3867d9e62e51SVikas Chaudhary readl(&ha->reg->ctrl_status); 3868d9e62e51SVikas Chaudhary } else if (is_qla8022(ha)) { 38697664a1fdSVikas Chaudhary writel(0, &ha->qla4_82xx_reg->host_int); 38707664a1fdSVikas Chaudhary readl(&ha->qla4_82xx_reg->host_int); 3871fbd8107cSVikas Chaudhary } else if (is_qla8032(ha)) { 3872fbd8107cSVikas Chaudhary writel(0, &ha->qla4_83xx_reg->risc_intr); 3873fbd8107cSVikas Chaudhary readl(&ha->qla4_83xx_reg->risc_intr); 3874d9e62e51SVikas Chaudhary } 3875d9e62e51SVikas Chaudhary 3876afaf5a2dSDavid Somayajulu /* Remove timer thread, if present */ 3877afaf5a2dSDavid Somayajulu if (ha->timer_active) 3878afaf5a2dSDavid Somayajulu qla4xxx_stop_timer(ha); 3879afaf5a2dSDavid Somayajulu 3880f4f5df23SVikas Chaudhary /* Kill the kernel thread for this host */ 3881f4f5df23SVikas Chaudhary if (ha->dpc_thread) 3882f4f5df23SVikas Chaudhary destroy_workqueue(ha->dpc_thread); 3883f4f5df23SVikas Chaudhary 3884b3a271a9SManish Rangankar /* Kill the kernel thread for this host */ 3885b3a271a9SManish Rangankar if (ha->task_wq) 3886b3a271a9SManish Rangankar destroy_workqueue(ha->task_wq); 3887b3a271a9SManish Rangankar 3888f4f5df23SVikas Chaudhary /* Put firmware in known state */ 3889f4f5df23SVikas Chaudhary ha->isp_ops->reset_firmware(ha); 3890f4f5df23SVikas Chaudhary 38916e7b4292SVikas Chaudhary if (is_qla80XX(ha)) { 389233693c7aSVikas Chaudhary ha->isp_ops->idc_lock(ha); 3893f4f5df23SVikas Chaudhary qla4_8xxx_clear_drv_active(ha); 389433693c7aSVikas Chaudhary ha->isp_ops->idc_unlock(ha); 3895f4f5df23SVikas Chaudhary } 3896f4f5df23SVikas Chaudhary 3897afaf5a2dSDavid Somayajulu /* Detach interrupts */ 3898f4f5df23SVikas Chaudhary qla4xxx_free_irqs(ha); 3899afaf5a2dSDavid Somayajulu 3900bee4fe8eSDavid C Somayajulu /* free extra memory */ 3901bee4fe8eSDavid C Somayajulu qla4xxx_mem_free(ha); 3902f4f5df23SVikas Chaudhary } 3903bee4fe8eSDavid C Somayajulu 3904f4f5df23SVikas Chaudhary int qla4_8xxx_iospace_config(struct scsi_qla_host *ha) 3905f4f5df23SVikas Chaudhary { 3906f4f5df23SVikas Chaudhary int status = 0; 3907f4f5df23SVikas Chaudhary unsigned long mem_base, mem_len, db_base, db_len; 3908f4f5df23SVikas Chaudhary struct pci_dev *pdev = ha->pdev; 3909afaf5a2dSDavid Somayajulu 3910f4f5df23SVikas Chaudhary status = pci_request_regions(pdev, DRIVER_NAME); 3911f4f5df23SVikas Chaudhary if (status) { 3912f4f5df23SVikas Chaudhary printk(KERN_WARNING 3913f4f5df23SVikas Chaudhary "scsi(%ld) Failed to reserve PIO regions (%s) " 3914f4f5df23SVikas Chaudhary "status=%d\n", ha->host_no, pci_name(pdev), status); 3915f4f5df23SVikas Chaudhary goto iospace_error_exit; 3916f4f5df23SVikas Chaudhary } 3917f4f5df23SVikas Chaudhary 3918f4f5df23SVikas Chaudhary DEBUG2(printk(KERN_INFO "%s: revision-id=%d\n", 39197d7311c4SSergei Shtylyov __func__, pdev->revision)); 39207d7311c4SSergei Shtylyov ha->revision_id = pdev->revision; 3921f4f5df23SVikas Chaudhary 3922f4f5df23SVikas Chaudhary /* remap phys address */ 3923f4f5df23SVikas Chaudhary mem_base = pci_resource_start(pdev, 0); /* 0 is for BAR 0 */ 3924f4f5df23SVikas Chaudhary mem_len = pci_resource_len(pdev, 0); 3925f4f5df23SVikas Chaudhary DEBUG2(printk(KERN_INFO "%s: ioremap from %lx a size of %lx\n", 3926f4f5df23SVikas Chaudhary __func__, mem_base, mem_len)); 3927f4f5df23SVikas Chaudhary 3928f4f5df23SVikas Chaudhary /* mapping of pcibase pointer */ 3929f4f5df23SVikas Chaudhary ha->nx_pcibase = (unsigned long)ioremap(mem_base, mem_len); 3930f4f5df23SVikas Chaudhary if (!ha->nx_pcibase) { 3931f4f5df23SVikas Chaudhary printk(KERN_ERR 3932f4f5df23SVikas Chaudhary "cannot remap MMIO (%s), aborting\n", pci_name(pdev)); 3933f4f5df23SVikas Chaudhary pci_release_regions(ha->pdev); 3934f4f5df23SVikas Chaudhary goto iospace_error_exit; 3935f4f5df23SVikas Chaudhary } 3936f4f5df23SVikas Chaudhary 3937f4f5df23SVikas Chaudhary /* Mapping of IO base pointer, door bell read and write pointer */ 3938f4f5df23SVikas Chaudhary 3939f4f5df23SVikas Chaudhary /* mapping of IO base pointer */ 39406e7b4292SVikas Chaudhary if (is_qla8022(ha)) { 39416e7b4292SVikas Chaudhary ha->qla4_82xx_reg = (struct device_reg_82xx __iomem *) 39426e7b4292SVikas Chaudhary ((uint8_t *)ha->nx_pcibase + 0xbc000 + 39436e7b4292SVikas Chaudhary (ha->pdev->devfn << 11)); 39446e7b4292SVikas Chaudhary ha->nx_db_wr_ptr = (ha->pdev->devfn == 4 ? QLA82XX_CAM_RAM_DB1 : 39456e7b4292SVikas Chaudhary QLA82XX_CAM_RAM_DB2); 39466e7b4292SVikas Chaudhary } else if (is_qla8032(ha)) { 39476e7b4292SVikas Chaudhary ha->qla4_83xx_reg = (struct device_reg_83xx __iomem *) 39486e7b4292SVikas Chaudhary ((uint8_t *)ha->nx_pcibase); 39496e7b4292SVikas Chaudhary } 3950f4f5df23SVikas Chaudhary 3951f4f5df23SVikas Chaudhary db_base = pci_resource_start(pdev, 4); /* doorbell is on bar 4 */ 3952f4f5df23SVikas Chaudhary db_len = pci_resource_len(pdev, 4); 3953f4f5df23SVikas Chaudhary 39542657c800SShyam Sundar return 0; 3955f4f5df23SVikas Chaudhary iospace_error_exit: 3956f4f5df23SVikas Chaudhary return -ENOMEM; 3957afaf5a2dSDavid Somayajulu } 3958afaf5a2dSDavid Somayajulu 3959afaf5a2dSDavid Somayajulu /*** 3960afaf5a2dSDavid Somayajulu * qla4xxx_iospace_config - maps registers 3961afaf5a2dSDavid Somayajulu * @ha: pointer to adapter structure 3962afaf5a2dSDavid Somayajulu * 3963afaf5a2dSDavid Somayajulu * This routines maps HBA's registers from the pci address space 3964afaf5a2dSDavid Somayajulu * into the kernel virtual address space for memory mapped i/o. 3965afaf5a2dSDavid Somayajulu **/ 3966f4f5df23SVikas Chaudhary int qla4xxx_iospace_config(struct scsi_qla_host *ha) 3967afaf5a2dSDavid Somayajulu { 3968afaf5a2dSDavid Somayajulu unsigned long pio, pio_len, pio_flags; 3969afaf5a2dSDavid Somayajulu unsigned long mmio, mmio_len, mmio_flags; 3970afaf5a2dSDavid Somayajulu 3971afaf5a2dSDavid Somayajulu pio = pci_resource_start(ha->pdev, 0); 3972afaf5a2dSDavid Somayajulu pio_len = pci_resource_len(ha->pdev, 0); 3973afaf5a2dSDavid Somayajulu pio_flags = pci_resource_flags(ha->pdev, 0); 3974afaf5a2dSDavid Somayajulu if (pio_flags & IORESOURCE_IO) { 3975afaf5a2dSDavid Somayajulu if (pio_len < MIN_IOBASE_LEN) { 3976c2660df3SVikas Chaudhary ql4_printk(KERN_WARNING, ha, 3977afaf5a2dSDavid Somayajulu "Invalid PCI I/O region size\n"); 3978afaf5a2dSDavid Somayajulu pio = 0; 3979afaf5a2dSDavid Somayajulu } 3980afaf5a2dSDavid Somayajulu } else { 3981c2660df3SVikas Chaudhary ql4_printk(KERN_WARNING, ha, "region #0 not a PIO resource\n"); 3982afaf5a2dSDavid Somayajulu pio = 0; 3983afaf5a2dSDavid Somayajulu } 3984afaf5a2dSDavid Somayajulu 3985afaf5a2dSDavid Somayajulu /* Use MMIO operations for all accesses. */ 3986afaf5a2dSDavid Somayajulu mmio = pci_resource_start(ha->pdev, 1); 3987afaf5a2dSDavid Somayajulu mmio_len = pci_resource_len(ha->pdev, 1); 3988afaf5a2dSDavid Somayajulu mmio_flags = pci_resource_flags(ha->pdev, 1); 3989afaf5a2dSDavid Somayajulu 3990afaf5a2dSDavid Somayajulu if (!(mmio_flags & IORESOURCE_MEM)) { 3991c2660df3SVikas Chaudhary ql4_printk(KERN_ERR, ha, 3992afaf5a2dSDavid Somayajulu "region #0 not an MMIO resource, aborting\n"); 3993afaf5a2dSDavid Somayajulu 3994afaf5a2dSDavid Somayajulu goto iospace_error_exit; 3995afaf5a2dSDavid Somayajulu } 3996c2660df3SVikas Chaudhary 3997afaf5a2dSDavid Somayajulu if (mmio_len < MIN_IOBASE_LEN) { 3998c2660df3SVikas Chaudhary ql4_printk(KERN_ERR, ha, 3999afaf5a2dSDavid Somayajulu "Invalid PCI mem region size, aborting\n"); 4000afaf5a2dSDavid Somayajulu goto iospace_error_exit; 4001afaf5a2dSDavid Somayajulu } 4002afaf5a2dSDavid Somayajulu 4003afaf5a2dSDavid Somayajulu if (pci_request_regions(ha->pdev, DRIVER_NAME)) { 4004c2660df3SVikas Chaudhary ql4_printk(KERN_WARNING, ha, 4005afaf5a2dSDavid Somayajulu "Failed to reserve PIO/MMIO regions\n"); 4006afaf5a2dSDavid Somayajulu 4007afaf5a2dSDavid Somayajulu goto iospace_error_exit; 4008afaf5a2dSDavid Somayajulu } 4009afaf5a2dSDavid Somayajulu 4010afaf5a2dSDavid Somayajulu ha->pio_address = pio; 4011afaf5a2dSDavid Somayajulu ha->pio_length = pio_len; 4012afaf5a2dSDavid Somayajulu ha->reg = ioremap(mmio, MIN_IOBASE_LEN); 4013afaf5a2dSDavid Somayajulu if (!ha->reg) { 4014c2660df3SVikas Chaudhary ql4_printk(KERN_ERR, ha, 4015afaf5a2dSDavid Somayajulu "cannot remap MMIO, aborting\n"); 4016afaf5a2dSDavid Somayajulu 4017afaf5a2dSDavid Somayajulu goto iospace_error_exit; 4018afaf5a2dSDavid Somayajulu } 4019afaf5a2dSDavid Somayajulu 4020afaf5a2dSDavid Somayajulu return 0; 4021afaf5a2dSDavid Somayajulu 4022afaf5a2dSDavid Somayajulu iospace_error_exit: 4023afaf5a2dSDavid Somayajulu return -ENOMEM; 4024afaf5a2dSDavid Somayajulu } 4025afaf5a2dSDavid Somayajulu 4026f4f5df23SVikas Chaudhary static struct isp_operations qla4xxx_isp_ops = { 4027f4f5df23SVikas Chaudhary .iospace_config = qla4xxx_iospace_config, 4028f4f5df23SVikas Chaudhary .pci_config = qla4xxx_pci_config, 4029f4f5df23SVikas Chaudhary .disable_intrs = qla4xxx_disable_intrs, 4030f4f5df23SVikas Chaudhary .enable_intrs = qla4xxx_enable_intrs, 4031f4f5df23SVikas Chaudhary .start_firmware = qla4xxx_start_firmware, 4032f4f5df23SVikas Chaudhary .intr_handler = qla4xxx_intr_handler, 4033f4f5df23SVikas Chaudhary .interrupt_service_routine = qla4xxx_interrupt_service_routine, 4034f4f5df23SVikas Chaudhary .reset_chip = qla4xxx_soft_reset, 4035f4f5df23SVikas Chaudhary .reset_firmware = qla4xxx_hw_reset, 4036f4f5df23SVikas Chaudhary .queue_iocb = qla4xxx_queue_iocb, 4037f4f5df23SVikas Chaudhary .complete_iocb = qla4xxx_complete_iocb, 4038f4f5df23SVikas Chaudhary .rd_shdw_req_q_out = qla4xxx_rd_shdw_req_q_out, 4039f4f5df23SVikas Chaudhary .rd_shdw_rsp_q_in = qla4xxx_rd_shdw_rsp_q_in, 4040f4f5df23SVikas Chaudhary .get_sys_info = qla4xxx_get_sys_info, 404133693c7aSVikas Chaudhary .queue_mailbox_command = qla4xxx_queue_mbox_cmd, 404233693c7aSVikas Chaudhary .process_mailbox_interrupt = qla4xxx_process_mbox_intr, 4043f4f5df23SVikas Chaudhary }; 4044f4f5df23SVikas Chaudhary 40457664a1fdSVikas Chaudhary static struct isp_operations qla4_82xx_isp_ops = { 4046f4f5df23SVikas Chaudhary .iospace_config = qla4_8xxx_iospace_config, 4047f4f5df23SVikas Chaudhary .pci_config = qla4_8xxx_pci_config, 4048f8086f4fSVikas Chaudhary .disable_intrs = qla4_82xx_disable_intrs, 4049f8086f4fSVikas Chaudhary .enable_intrs = qla4_82xx_enable_intrs, 4050f4f5df23SVikas Chaudhary .start_firmware = qla4_8xxx_load_risc, 405133693c7aSVikas Chaudhary .restart_firmware = qla4_82xx_try_start_fw, 4052f8086f4fSVikas Chaudhary .intr_handler = qla4_82xx_intr_handler, 4053f8086f4fSVikas Chaudhary .interrupt_service_routine = qla4_82xx_interrupt_service_routine, 405433693c7aSVikas Chaudhary .need_reset = qla4_8xxx_need_reset, 4055f8086f4fSVikas Chaudhary .reset_chip = qla4_82xx_isp_reset, 4056f4f5df23SVikas Chaudhary .reset_firmware = qla4_8xxx_stop_firmware, 4057f8086f4fSVikas Chaudhary .queue_iocb = qla4_82xx_queue_iocb, 4058f8086f4fSVikas Chaudhary .complete_iocb = qla4_82xx_complete_iocb, 4059f8086f4fSVikas Chaudhary .rd_shdw_req_q_out = qla4_82xx_rd_shdw_req_q_out, 4060f8086f4fSVikas Chaudhary .rd_shdw_rsp_q_in = qla4_82xx_rd_shdw_rsp_q_in, 4061f4f5df23SVikas Chaudhary .get_sys_info = qla4_8xxx_get_sys_info, 406233693c7aSVikas Chaudhary .rd_reg_direct = qla4_82xx_rd_32, 406333693c7aSVikas Chaudhary .wr_reg_direct = qla4_82xx_wr_32, 406433693c7aSVikas Chaudhary .rd_reg_indirect = qla4_82xx_md_rd_32, 406533693c7aSVikas Chaudhary .wr_reg_indirect = qla4_82xx_md_wr_32, 406633693c7aSVikas Chaudhary .idc_lock = qla4_82xx_idc_lock, 406733693c7aSVikas Chaudhary .idc_unlock = qla4_82xx_idc_unlock, 406833693c7aSVikas Chaudhary .rom_lock_recovery = qla4_82xx_rom_lock_recovery, 406933693c7aSVikas Chaudhary .queue_mailbox_command = qla4_82xx_queue_mbox_cmd, 407033693c7aSVikas Chaudhary .process_mailbox_interrupt = qla4_82xx_process_mbox_intr, 4071f4f5df23SVikas Chaudhary }; 4072f4f5df23SVikas Chaudhary 40736e7b4292SVikas Chaudhary static struct isp_operations qla4_83xx_isp_ops = { 40746e7b4292SVikas Chaudhary .iospace_config = qla4_8xxx_iospace_config, 40756e7b4292SVikas Chaudhary .pci_config = qla4_8xxx_pci_config, 40766e7b4292SVikas Chaudhary .disable_intrs = qla4_83xx_disable_intrs, 40776e7b4292SVikas Chaudhary .enable_intrs = qla4_83xx_enable_intrs, 40786e7b4292SVikas Chaudhary .start_firmware = qla4_8xxx_load_risc, 40796e7b4292SVikas Chaudhary .restart_firmware = qla4_83xx_start_firmware, 40806e7b4292SVikas Chaudhary .intr_handler = qla4_83xx_intr_handler, 40816e7b4292SVikas Chaudhary .interrupt_service_routine = qla4_83xx_interrupt_service_routine, 40826e7b4292SVikas Chaudhary .need_reset = qla4_8xxx_need_reset, 40836e7b4292SVikas Chaudhary .reset_chip = qla4_83xx_isp_reset, 40846e7b4292SVikas Chaudhary .reset_firmware = qla4_8xxx_stop_firmware, 40856e7b4292SVikas Chaudhary .queue_iocb = qla4_83xx_queue_iocb, 40866e7b4292SVikas Chaudhary .complete_iocb = qla4_83xx_complete_iocb, 4087a24058f9STej Parkash .rd_shdw_req_q_out = qla4xxx_rd_shdw_req_q_out, 4088a24058f9STej Parkash .rd_shdw_rsp_q_in = qla4xxx_rd_shdw_rsp_q_in, 40896e7b4292SVikas Chaudhary .get_sys_info = qla4_8xxx_get_sys_info, 40906e7b4292SVikas Chaudhary .rd_reg_direct = qla4_83xx_rd_reg, 40916e7b4292SVikas Chaudhary .wr_reg_direct = qla4_83xx_wr_reg, 40926e7b4292SVikas Chaudhary .rd_reg_indirect = qla4_83xx_rd_reg_indirect, 40936e7b4292SVikas Chaudhary .wr_reg_indirect = qla4_83xx_wr_reg_indirect, 40946e7b4292SVikas Chaudhary .idc_lock = qla4_83xx_drv_lock, 40956e7b4292SVikas Chaudhary .idc_unlock = qla4_83xx_drv_unlock, 40966e7b4292SVikas Chaudhary .rom_lock_recovery = qla4_83xx_rom_lock_recovery, 40976e7b4292SVikas Chaudhary .queue_mailbox_command = qla4_83xx_queue_mbox_cmd, 40986e7b4292SVikas Chaudhary .process_mailbox_interrupt = qla4_83xx_process_mbox_intr, 4099f4f5df23SVikas Chaudhary }; 4100f4f5df23SVikas Chaudhary 4101f4f5df23SVikas Chaudhary uint16_t qla4xxx_rd_shdw_req_q_out(struct scsi_qla_host *ha) 4102f4f5df23SVikas Chaudhary { 4103f4f5df23SVikas Chaudhary return (uint16_t)le32_to_cpu(ha->shadow_regs->req_q_out); 4104f4f5df23SVikas Chaudhary } 4105f4f5df23SVikas Chaudhary 4106f8086f4fSVikas Chaudhary uint16_t qla4_82xx_rd_shdw_req_q_out(struct scsi_qla_host *ha) 4107f4f5df23SVikas Chaudhary { 41087664a1fdSVikas Chaudhary return (uint16_t)le32_to_cpu(readl(&ha->qla4_82xx_reg->req_q_out)); 4109f4f5df23SVikas Chaudhary } 4110f4f5df23SVikas Chaudhary 4111f4f5df23SVikas Chaudhary uint16_t qla4xxx_rd_shdw_rsp_q_in(struct scsi_qla_host *ha) 4112f4f5df23SVikas Chaudhary { 4113f4f5df23SVikas Chaudhary return (uint16_t)le32_to_cpu(ha->shadow_regs->rsp_q_in); 4114f4f5df23SVikas Chaudhary } 4115f4f5df23SVikas Chaudhary 4116f8086f4fSVikas Chaudhary uint16_t qla4_82xx_rd_shdw_rsp_q_in(struct scsi_qla_host *ha) 4117f4f5df23SVikas Chaudhary { 41187664a1fdSVikas Chaudhary return (uint16_t)le32_to_cpu(readl(&ha->qla4_82xx_reg->rsp_q_in)); 4119f4f5df23SVikas Chaudhary } 4120f4f5df23SVikas Chaudhary 41212a991c21SManish Rangankar static ssize_t qla4xxx_show_boot_eth_info(void *data, int type, char *buf) 41222a991c21SManish Rangankar { 41232a991c21SManish Rangankar struct scsi_qla_host *ha = data; 41242a991c21SManish Rangankar char *str = buf; 41252a991c21SManish Rangankar int rc; 41262a991c21SManish Rangankar 41272a991c21SManish Rangankar switch (type) { 41282a991c21SManish Rangankar case ISCSI_BOOT_ETH_FLAGS: 41292a991c21SManish Rangankar rc = sprintf(str, "%d\n", SYSFS_FLAG_FW_SEL_BOOT); 41302a991c21SManish Rangankar break; 41312a991c21SManish Rangankar case ISCSI_BOOT_ETH_INDEX: 41322a991c21SManish Rangankar rc = sprintf(str, "0\n"); 41332a991c21SManish Rangankar break; 41342a991c21SManish Rangankar case ISCSI_BOOT_ETH_MAC: 41352a991c21SManish Rangankar rc = sysfs_format_mac(str, ha->my_mac, 41362a991c21SManish Rangankar MAC_ADDR_LEN); 41372a991c21SManish Rangankar break; 41382a991c21SManish Rangankar default: 41392a991c21SManish Rangankar rc = -ENOSYS; 41402a991c21SManish Rangankar break; 41412a991c21SManish Rangankar } 41422a991c21SManish Rangankar return rc; 41432a991c21SManish Rangankar } 41442a991c21SManish Rangankar 4145587a1f16SAl Viro static umode_t qla4xxx_eth_get_attr_visibility(void *data, int type) 41462a991c21SManish Rangankar { 41472a991c21SManish Rangankar int rc; 41482a991c21SManish Rangankar 41492a991c21SManish Rangankar switch (type) { 41502a991c21SManish Rangankar case ISCSI_BOOT_ETH_FLAGS: 41512a991c21SManish Rangankar case ISCSI_BOOT_ETH_MAC: 41522a991c21SManish Rangankar case ISCSI_BOOT_ETH_INDEX: 41532a991c21SManish Rangankar rc = S_IRUGO; 41542a991c21SManish Rangankar break; 41552a991c21SManish Rangankar default: 41562a991c21SManish Rangankar rc = 0; 41572a991c21SManish Rangankar break; 41582a991c21SManish Rangankar } 41592a991c21SManish Rangankar return rc; 41602a991c21SManish Rangankar } 41612a991c21SManish Rangankar 41622a991c21SManish Rangankar static ssize_t qla4xxx_show_boot_ini_info(void *data, int type, char *buf) 41632a991c21SManish Rangankar { 41642a991c21SManish Rangankar struct scsi_qla_host *ha = data; 41652a991c21SManish Rangankar char *str = buf; 41662a991c21SManish Rangankar int rc; 41672a991c21SManish Rangankar 41682a991c21SManish Rangankar switch (type) { 41692a991c21SManish Rangankar case ISCSI_BOOT_INI_INITIATOR_NAME: 41702a991c21SManish Rangankar rc = sprintf(str, "%s\n", ha->name_string); 41712a991c21SManish Rangankar break; 41722a991c21SManish Rangankar default: 41732a991c21SManish Rangankar rc = -ENOSYS; 41742a991c21SManish Rangankar break; 41752a991c21SManish Rangankar } 41762a991c21SManish Rangankar return rc; 41772a991c21SManish Rangankar } 41782a991c21SManish Rangankar 4179587a1f16SAl Viro static umode_t qla4xxx_ini_get_attr_visibility(void *data, int type) 41802a991c21SManish Rangankar { 41812a991c21SManish Rangankar int rc; 41822a991c21SManish Rangankar 41832a991c21SManish Rangankar switch (type) { 41842a991c21SManish Rangankar case ISCSI_BOOT_INI_INITIATOR_NAME: 41852a991c21SManish Rangankar rc = S_IRUGO; 41862a991c21SManish Rangankar break; 41872a991c21SManish Rangankar default: 41882a991c21SManish Rangankar rc = 0; 41892a991c21SManish Rangankar break; 41902a991c21SManish Rangankar } 41912a991c21SManish Rangankar return rc; 41922a991c21SManish Rangankar } 41932a991c21SManish Rangankar 41942a991c21SManish Rangankar static ssize_t 41952a991c21SManish Rangankar qla4xxx_show_boot_tgt_info(struct ql4_boot_session_info *boot_sess, int type, 41962a991c21SManish Rangankar char *buf) 41972a991c21SManish Rangankar { 41982a991c21SManish Rangankar struct ql4_conn_info *boot_conn = &boot_sess->conn_list[0]; 41992a991c21SManish Rangankar char *str = buf; 42002a991c21SManish Rangankar int rc; 42012a991c21SManish Rangankar 42022a991c21SManish Rangankar switch (type) { 42032a991c21SManish Rangankar case ISCSI_BOOT_TGT_NAME: 42042a991c21SManish Rangankar rc = sprintf(buf, "%s\n", (char *)&boot_sess->target_name); 42052a991c21SManish Rangankar break; 42062a991c21SManish Rangankar case ISCSI_BOOT_TGT_IP_ADDR: 42072a991c21SManish Rangankar if (boot_sess->conn_list[0].dest_ipaddr.ip_type == 0x1) 42082a991c21SManish Rangankar rc = sprintf(buf, "%pI4\n", 42092a991c21SManish Rangankar &boot_conn->dest_ipaddr.ip_address); 42102a991c21SManish Rangankar else 42112a991c21SManish Rangankar rc = sprintf(str, "%pI6\n", 42122a991c21SManish Rangankar &boot_conn->dest_ipaddr.ip_address); 42132a991c21SManish Rangankar break; 42142a991c21SManish Rangankar case ISCSI_BOOT_TGT_PORT: 42152a991c21SManish Rangankar rc = sprintf(str, "%d\n", boot_conn->dest_port); 42162a991c21SManish Rangankar break; 42172a991c21SManish Rangankar case ISCSI_BOOT_TGT_CHAP_NAME: 42182a991c21SManish Rangankar rc = sprintf(str, "%.*s\n", 42192a991c21SManish Rangankar boot_conn->chap.target_chap_name_length, 42202a991c21SManish Rangankar (char *)&boot_conn->chap.target_chap_name); 42212a991c21SManish Rangankar break; 42222a991c21SManish Rangankar case ISCSI_BOOT_TGT_CHAP_SECRET: 42232a991c21SManish Rangankar rc = sprintf(str, "%.*s\n", 42242a991c21SManish Rangankar boot_conn->chap.target_secret_length, 42252a991c21SManish Rangankar (char *)&boot_conn->chap.target_secret); 42262a991c21SManish Rangankar break; 42272a991c21SManish Rangankar case ISCSI_BOOT_TGT_REV_CHAP_NAME: 42282a991c21SManish Rangankar rc = sprintf(str, "%.*s\n", 42292a991c21SManish Rangankar boot_conn->chap.intr_chap_name_length, 42302a991c21SManish Rangankar (char *)&boot_conn->chap.intr_chap_name); 42312a991c21SManish Rangankar break; 42322a991c21SManish Rangankar case ISCSI_BOOT_TGT_REV_CHAP_SECRET: 42332a991c21SManish Rangankar rc = sprintf(str, "%.*s\n", 42342a991c21SManish Rangankar boot_conn->chap.intr_secret_length, 42352a991c21SManish Rangankar (char *)&boot_conn->chap.intr_secret); 42362a991c21SManish Rangankar break; 42372a991c21SManish Rangankar case ISCSI_BOOT_TGT_FLAGS: 42382a991c21SManish Rangankar rc = sprintf(str, "%d\n", SYSFS_FLAG_FW_SEL_BOOT); 42392a991c21SManish Rangankar break; 42402a991c21SManish Rangankar case ISCSI_BOOT_TGT_NIC_ASSOC: 42412a991c21SManish Rangankar rc = sprintf(str, "0\n"); 42422a991c21SManish Rangankar break; 42432a991c21SManish Rangankar default: 42442a991c21SManish Rangankar rc = -ENOSYS; 42452a991c21SManish Rangankar break; 42462a991c21SManish Rangankar } 42472a991c21SManish Rangankar return rc; 42482a991c21SManish Rangankar } 42492a991c21SManish Rangankar 42502a991c21SManish Rangankar static ssize_t qla4xxx_show_boot_tgt_pri_info(void *data, int type, char *buf) 42512a991c21SManish Rangankar { 42522a991c21SManish Rangankar struct scsi_qla_host *ha = data; 42532a991c21SManish Rangankar struct ql4_boot_session_info *boot_sess = &(ha->boot_tgt.boot_pri_sess); 42542a991c21SManish Rangankar 42552a991c21SManish Rangankar return qla4xxx_show_boot_tgt_info(boot_sess, type, buf); 42562a991c21SManish Rangankar } 42572a991c21SManish Rangankar 42582a991c21SManish Rangankar static ssize_t qla4xxx_show_boot_tgt_sec_info(void *data, int type, char *buf) 42592a991c21SManish Rangankar { 42602a991c21SManish Rangankar struct scsi_qla_host *ha = data; 42612a991c21SManish Rangankar struct ql4_boot_session_info *boot_sess = &(ha->boot_tgt.boot_sec_sess); 42622a991c21SManish Rangankar 42632a991c21SManish Rangankar return qla4xxx_show_boot_tgt_info(boot_sess, type, buf); 42642a991c21SManish Rangankar } 42652a991c21SManish Rangankar 4266587a1f16SAl Viro static umode_t qla4xxx_tgt_get_attr_visibility(void *data, int type) 42672a991c21SManish Rangankar { 42682a991c21SManish Rangankar int rc; 42692a991c21SManish Rangankar 42702a991c21SManish Rangankar switch (type) { 42712a991c21SManish Rangankar case ISCSI_BOOT_TGT_NAME: 42722a991c21SManish Rangankar case ISCSI_BOOT_TGT_IP_ADDR: 42732a991c21SManish Rangankar case ISCSI_BOOT_TGT_PORT: 42742a991c21SManish Rangankar case ISCSI_BOOT_TGT_CHAP_NAME: 42752a991c21SManish Rangankar case ISCSI_BOOT_TGT_CHAP_SECRET: 42762a991c21SManish Rangankar case ISCSI_BOOT_TGT_REV_CHAP_NAME: 42772a991c21SManish Rangankar case ISCSI_BOOT_TGT_REV_CHAP_SECRET: 42782a991c21SManish Rangankar case ISCSI_BOOT_TGT_NIC_ASSOC: 42792a991c21SManish Rangankar case ISCSI_BOOT_TGT_FLAGS: 42802a991c21SManish Rangankar rc = S_IRUGO; 42812a991c21SManish Rangankar break; 42822a991c21SManish Rangankar default: 42832a991c21SManish Rangankar rc = 0; 42842a991c21SManish Rangankar break; 42852a991c21SManish Rangankar } 42862a991c21SManish Rangankar return rc; 42872a991c21SManish Rangankar } 42882a991c21SManish Rangankar 42892a991c21SManish Rangankar static void qla4xxx_boot_release(void *data) 42902a991c21SManish Rangankar { 42912a991c21SManish Rangankar struct scsi_qla_host *ha = data; 42922a991c21SManish Rangankar 42932a991c21SManish Rangankar scsi_host_put(ha->host); 42942a991c21SManish Rangankar } 42952a991c21SManish Rangankar 42962a991c21SManish Rangankar static int get_fw_boot_info(struct scsi_qla_host *ha, uint16_t ddb_index[]) 42972a991c21SManish Rangankar { 42982a991c21SManish Rangankar dma_addr_t buf_dma; 42992a991c21SManish Rangankar uint32_t addr, pri_addr, sec_addr; 43002a991c21SManish Rangankar uint32_t offset; 43012a991c21SManish Rangankar uint16_t func_num; 43022a991c21SManish Rangankar uint8_t val; 43032a991c21SManish Rangankar uint8_t *buf = NULL; 43042a991c21SManish Rangankar size_t size = 13 * sizeof(uint8_t); 43052a991c21SManish Rangankar int ret = QLA_SUCCESS; 43062a991c21SManish Rangankar 43072a991c21SManish Rangankar func_num = PCI_FUNC(ha->pdev->devfn); 43082a991c21SManish Rangankar 43090d5b36b8SManish Rangankar ql4_printk(KERN_INFO, ha, "%s: Get FW boot info for 0x%x func %d\n", 43100d5b36b8SManish Rangankar __func__, ha->pdev->device, func_num); 43112a991c21SManish Rangankar 43120d5b36b8SManish Rangankar if (is_qla40XX(ha)) { 43132a991c21SManish Rangankar if (func_num == 1) { 43142a991c21SManish Rangankar addr = NVRAM_PORT0_BOOT_MODE; 43152a991c21SManish Rangankar pri_addr = NVRAM_PORT0_BOOT_PRI_TGT; 43162a991c21SManish Rangankar sec_addr = NVRAM_PORT0_BOOT_SEC_TGT; 43172a991c21SManish Rangankar } else if (func_num == 3) { 43182a991c21SManish Rangankar addr = NVRAM_PORT1_BOOT_MODE; 43192a991c21SManish Rangankar pri_addr = NVRAM_PORT1_BOOT_PRI_TGT; 43202a991c21SManish Rangankar sec_addr = NVRAM_PORT1_BOOT_SEC_TGT; 43212a991c21SManish Rangankar } else { 43222a991c21SManish Rangankar ret = QLA_ERROR; 43232a991c21SManish Rangankar goto exit_boot_info; 43242a991c21SManish Rangankar } 43252a991c21SManish Rangankar 43262a991c21SManish Rangankar /* Check Boot Mode */ 43272a991c21SManish Rangankar val = rd_nvram_byte(ha, addr); 43282a991c21SManish Rangankar if (!(val & 0x07)) { 4329e8fb00e0SManish Rangankar DEBUG2(ql4_printk(KERN_INFO, ha, "%s: Adapter boot " 4330e8fb00e0SManish Rangankar "options : 0x%x\n", __func__, val)); 43312a991c21SManish Rangankar ret = QLA_ERROR; 43322a991c21SManish Rangankar goto exit_boot_info; 43332a991c21SManish Rangankar } 43342a991c21SManish Rangankar 43352a991c21SManish Rangankar /* get primary valid target index */ 43362a991c21SManish Rangankar val = rd_nvram_byte(ha, pri_addr); 43372a991c21SManish Rangankar if (val & BIT_7) 43382a991c21SManish Rangankar ddb_index[0] = (val & 0x7f); 43392a991c21SManish Rangankar 43402a991c21SManish Rangankar /* get secondary valid target index */ 43412a991c21SManish Rangankar val = rd_nvram_byte(ha, sec_addr); 43422a991c21SManish Rangankar if (val & BIT_7) 43432a991c21SManish Rangankar ddb_index[1] = (val & 0x7f); 43442a991c21SManish Rangankar 43453e788fb1SVikas Chaudhary } else if (is_qla80XX(ha)) { 43462a991c21SManish Rangankar buf = dma_alloc_coherent(&ha->pdev->dev, size, 43472a991c21SManish Rangankar &buf_dma, GFP_KERNEL); 43482a991c21SManish Rangankar if (!buf) { 43492a991c21SManish Rangankar DEBUG2(ql4_printk(KERN_ERR, ha, 43502a991c21SManish Rangankar "%s: Unable to allocate dma buffer\n", 43512a991c21SManish Rangankar __func__)); 43522a991c21SManish Rangankar ret = QLA_ERROR; 43532a991c21SManish Rangankar goto exit_boot_info; 43542a991c21SManish Rangankar } 43552a991c21SManish Rangankar 43562a991c21SManish Rangankar if (ha->port_num == 0) 43572a991c21SManish Rangankar offset = BOOT_PARAM_OFFSET_PORT0; 43582a991c21SManish Rangankar else if (ha->port_num == 1) 43592a991c21SManish Rangankar offset = BOOT_PARAM_OFFSET_PORT1; 43602a991c21SManish Rangankar else { 43612a991c21SManish Rangankar ret = QLA_ERROR; 43622a991c21SManish Rangankar goto exit_boot_info_free; 43632a991c21SManish Rangankar } 43642a991c21SManish Rangankar addr = FLASH_RAW_ACCESS_ADDR + (ha->hw.flt_iscsi_param * 4) + 43652a991c21SManish Rangankar offset; 43662a991c21SManish Rangankar if (qla4xxx_get_flash(ha, buf_dma, addr, 43672a991c21SManish Rangankar 13 * sizeof(uint8_t)) != QLA_SUCCESS) { 43682a991c21SManish Rangankar DEBUG2(ql4_printk(KERN_ERR, ha, "scsi%ld: %s: Get Flash" 43692a991c21SManish Rangankar " failed\n", ha->host_no, __func__)); 43702a991c21SManish Rangankar ret = QLA_ERROR; 43712a991c21SManish Rangankar goto exit_boot_info_free; 43722a991c21SManish Rangankar } 43732a991c21SManish Rangankar /* Check Boot Mode */ 43742a991c21SManish Rangankar if (!(buf[1] & 0x07)) { 4375e8fb00e0SManish Rangankar DEBUG2(ql4_printk(KERN_INFO, ha, "Firmware boot options" 4376e8fb00e0SManish Rangankar " : 0x%x\n", buf[1])); 43772a991c21SManish Rangankar ret = QLA_ERROR; 43782a991c21SManish Rangankar goto exit_boot_info_free; 43792a991c21SManish Rangankar } 43802a991c21SManish Rangankar 43812a991c21SManish Rangankar /* get primary valid target index */ 43822a991c21SManish Rangankar if (buf[2] & BIT_7) 43832a991c21SManish Rangankar ddb_index[0] = buf[2] & 0x7f; 43842a991c21SManish Rangankar 43852a991c21SManish Rangankar /* get secondary valid target index */ 43862a991c21SManish Rangankar if (buf[11] & BIT_7) 43872a991c21SManish Rangankar ddb_index[1] = buf[11] & 0x7f; 43882a991c21SManish Rangankar } else { 43892a991c21SManish Rangankar ret = QLA_ERROR; 43902a991c21SManish Rangankar goto exit_boot_info; 43912a991c21SManish Rangankar } 43922a991c21SManish Rangankar 43932a991c21SManish Rangankar DEBUG2(ql4_printk(KERN_INFO, ha, "%s: Primary target ID %d, Secondary" 43942a991c21SManish Rangankar " target ID %d\n", __func__, ddb_index[0], 43952a991c21SManish Rangankar ddb_index[1])); 43962a991c21SManish Rangankar 43972a991c21SManish Rangankar exit_boot_info_free: 43982a991c21SManish Rangankar dma_free_coherent(&ha->pdev->dev, size, buf, buf_dma); 43992a991c21SManish Rangankar exit_boot_info: 440020e835b4SLalit Chandivade ha->pri_ddb_idx = ddb_index[0]; 440120e835b4SLalit Chandivade ha->sec_ddb_idx = ddb_index[1]; 44022a991c21SManish Rangankar return ret; 44032a991c21SManish Rangankar } 44042a991c21SManish Rangankar 440528deb45cSLalit Chandivade /** 440628deb45cSLalit Chandivade * qla4xxx_get_bidi_chap - Get a BIDI CHAP user and password 440728deb45cSLalit Chandivade * @ha: pointer to adapter structure 440828deb45cSLalit Chandivade * @username: CHAP username to be returned 440928deb45cSLalit Chandivade * @password: CHAP password to be returned 441028deb45cSLalit Chandivade * 441128deb45cSLalit Chandivade * If a boot entry has BIDI CHAP enabled then we need to set the BIDI CHAP 441228deb45cSLalit Chandivade * user and password in the sysfs entry in /sys/firmware/iscsi_boot#/. 441328deb45cSLalit Chandivade * So from the CHAP cache find the first BIDI CHAP entry and set it 441428deb45cSLalit Chandivade * to the boot record in sysfs. 441528deb45cSLalit Chandivade **/ 441628deb45cSLalit Chandivade static int qla4xxx_get_bidi_chap(struct scsi_qla_host *ha, char *username, 441728deb45cSLalit Chandivade char *password) 441828deb45cSLalit Chandivade { 441928deb45cSLalit Chandivade int i, ret = -EINVAL; 442028deb45cSLalit Chandivade int max_chap_entries = 0; 442128deb45cSLalit Chandivade struct ql4_chap_table *chap_table; 442228deb45cSLalit Chandivade 4423d11b0ca3SVikas Chaudhary if (is_qla80XX(ha)) 442428deb45cSLalit Chandivade max_chap_entries = (ha->hw.flt_chap_size / 2) / 442528deb45cSLalit Chandivade sizeof(struct ql4_chap_table); 442628deb45cSLalit Chandivade else 442728deb45cSLalit Chandivade max_chap_entries = MAX_CHAP_ENTRIES_40XX; 442828deb45cSLalit Chandivade 442928deb45cSLalit Chandivade if (!ha->chap_list) { 443028deb45cSLalit Chandivade ql4_printk(KERN_ERR, ha, "Do not have CHAP table cache\n"); 443128deb45cSLalit Chandivade return ret; 443228deb45cSLalit Chandivade } 443328deb45cSLalit Chandivade 443428deb45cSLalit Chandivade mutex_lock(&ha->chap_sem); 443528deb45cSLalit Chandivade for (i = 0; i < max_chap_entries; i++) { 443628deb45cSLalit Chandivade chap_table = (struct ql4_chap_table *)ha->chap_list + i; 443728deb45cSLalit Chandivade if (chap_table->cookie != 443828deb45cSLalit Chandivade __constant_cpu_to_le16(CHAP_VALID_COOKIE)) { 443928deb45cSLalit Chandivade continue; 444028deb45cSLalit Chandivade } 444128deb45cSLalit Chandivade 444228deb45cSLalit Chandivade if (chap_table->flags & BIT_7) /* local */ 444328deb45cSLalit Chandivade continue; 444428deb45cSLalit Chandivade 444528deb45cSLalit Chandivade if (!(chap_table->flags & BIT_6)) /* Not BIDI */ 444628deb45cSLalit Chandivade continue; 444728deb45cSLalit Chandivade 444828deb45cSLalit Chandivade strncpy(password, chap_table->secret, QL4_CHAP_MAX_SECRET_LEN); 444928deb45cSLalit Chandivade strncpy(username, chap_table->name, QL4_CHAP_MAX_NAME_LEN); 445028deb45cSLalit Chandivade ret = 0; 445128deb45cSLalit Chandivade break; 445228deb45cSLalit Chandivade } 445328deb45cSLalit Chandivade mutex_unlock(&ha->chap_sem); 445428deb45cSLalit Chandivade 445528deb45cSLalit Chandivade return ret; 445628deb45cSLalit Chandivade } 445728deb45cSLalit Chandivade 445828deb45cSLalit Chandivade 44592a991c21SManish Rangankar static int qla4xxx_get_boot_target(struct scsi_qla_host *ha, 44602a991c21SManish Rangankar struct ql4_boot_session_info *boot_sess, 44612a991c21SManish Rangankar uint16_t ddb_index) 44622a991c21SManish Rangankar { 44632a991c21SManish Rangankar struct ql4_conn_info *boot_conn = &boot_sess->conn_list[0]; 44642a991c21SManish Rangankar struct dev_db_entry *fw_ddb_entry; 44652a991c21SManish Rangankar dma_addr_t fw_ddb_entry_dma; 44662a991c21SManish Rangankar uint16_t idx; 44672a991c21SManish Rangankar uint16_t options; 44682a991c21SManish Rangankar int ret = QLA_SUCCESS; 44692a991c21SManish Rangankar 44702a991c21SManish Rangankar fw_ddb_entry = dma_alloc_coherent(&ha->pdev->dev, sizeof(*fw_ddb_entry), 44712a991c21SManish Rangankar &fw_ddb_entry_dma, GFP_KERNEL); 44722a991c21SManish Rangankar if (!fw_ddb_entry) { 44732a991c21SManish Rangankar DEBUG2(ql4_printk(KERN_ERR, ha, 44742a991c21SManish Rangankar "%s: Unable to allocate dma buffer.\n", 44752a991c21SManish Rangankar __func__)); 44762a991c21SManish Rangankar ret = QLA_ERROR; 44772a991c21SManish Rangankar return ret; 44782a991c21SManish Rangankar } 44792a991c21SManish Rangankar 44802a991c21SManish Rangankar if (qla4xxx_bootdb_by_index(ha, fw_ddb_entry, 44812a991c21SManish Rangankar fw_ddb_entry_dma, ddb_index)) { 4482e8fb00e0SManish Rangankar DEBUG2(ql4_printk(KERN_INFO, ha, "%s: No Flash DDB found at " 4483e8fb00e0SManish Rangankar "index [%d]\n", __func__, ddb_index)); 44842a991c21SManish Rangankar ret = QLA_ERROR; 44852a991c21SManish Rangankar goto exit_boot_target; 44862a991c21SManish Rangankar } 44872a991c21SManish Rangankar 44882a991c21SManish Rangankar /* Update target name and IP from DDB */ 44892a991c21SManish Rangankar memcpy(boot_sess->target_name, fw_ddb_entry->iscsi_name, 44902a991c21SManish Rangankar min(sizeof(boot_sess->target_name), 44912a991c21SManish Rangankar sizeof(fw_ddb_entry->iscsi_name))); 44922a991c21SManish Rangankar 44932a991c21SManish Rangankar options = le16_to_cpu(fw_ddb_entry->options); 44942a991c21SManish Rangankar if (options & DDB_OPT_IPV6_DEVICE) { 44952a991c21SManish Rangankar memcpy(&boot_conn->dest_ipaddr.ip_address, 44962a991c21SManish Rangankar &fw_ddb_entry->ip_addr[0], IPv6_ADDR_LEN); 44972a991c21SManish Rangankar } else { 44982a991c21SManish Rangankar boot_conn->dest_ipaddr.ip_type = 0x1; 44992a991c21SManish Rangankar memcpy(&boot_conn->dest_ipaddr.ip_address, 45002a991c21SManish Rangankar &fw_ddb_entry->ip_addr[0], IP_ADDR_LEN); 45012a991c21SManish Rangankar } 45022a991c21SManish Rangankar 45032a991c21SManish Rangankar boot_conn->dest_port = le16_to_cpu(fw_ddb_entry->port); 45042a991c21SManish Rangankar 45052a991c21SManish Rangankar /* update chap information */ 45062a991c21SManish Rangankar idx = __le16_to_cpu(fw_ddb_entry->chap_tbl_idx); 45072a991c21SManish Rangankar 45082a991c21SManish Rangankar if (BIT_7 & le16_to_cpu(fw_ddb_entry->iscsi_options)) { 45092a991c21SManish Rangankar 45102a991c21SManish Rangankar DEBUG2(ql4_printk(KERN_INFO, ha, "Setting chap\n")); 45112a991c21SManish Rangankar 45122a991c21SManish Rangankar ret = qla4xxx_get_chap(ha, (char *)&boot_conn->chap. 45132a991c21SManish Rangankar target_chap_name, 45142a991c21SManish Rangankar (char *)&boot_conn->chap.target_secret, 45152a991c21SManish Rangankar idx); 45162a991c21SManish Rangankar if (ret) { 45172a991c21SManish Rangankar ql4_printk(KERN_ERR, ha, "Failed to set chap\n"); 45182a991c21SManish Rangankar ret = QLA_ERROR; 45192a991c21SManish Rangankar goto exit_boot_target; 45202a991c21SManish Rangankar } 45212a991c21SManish Rangankar 45222a991c21SManish Rangankar boot_conn->chap.target_chap_name_length = QL4_CHAP_MAX_NAME_LEN; 45232a991c21SManish Rangankar boot_conn->chap.target_secret_length = QL4_CHAP_MAX_SECRET_LEN; 45242a991c21SManish Rangankar } 45252a991c21SManish Rangankar 45262a991c21SManish Rangankar if (BIT_4 & le16_to_cpu(fw_ddb_entry->iscsi_options)) { 45272a991c21SManish Rangankar 45282a991c21SManish Rangankar DEBUG2(ql4_printk(KERN_INFO, ha, "Setting BIDI chap\n")); 45292a991c21SManish Rangankar 453028deb45cSLalit Chandivade ret = qla4xxx_get_bidi_chap(ha, 453128deb45cSLalit Chandivade (char *)&boot_conn->chap.intr_chap_name, 453228deb45cSLalit Chandivade (char *)&boot_conn->chap.intr_secret); 453328deb45cSLalit Chandivade 45342a991c21SManish Rangankar if (ret) { 45352a991c21SManish Rangankar ql4_printk(KERN_ERR, ha, "Failed to set BIDI chap\n"); 45362a991c21SManish Rangankar ret = QLA_ERROR; 45372a991c21SManish Rangankar goto exit_boot_target; 45382a991c21SManish Rangankar } 45392a991c21SManish Rangankar 45402a991c21SManish Rangankar boot_conn->chap.intr_chap_name_length = QL4_CHAP_MAX_NAME_LEN; 45412a991c21SManish Rangankar boot_conn->chap.intr_secret_length = QL4_CHAP_MAX_SECRET_LEN; 45422a991c21SManish Rangankar } 45432a991c21SManish Rangankar 45442a991c21SManish Rangankar exit_boot_target: 45452a991c21SManish Rangankar dma_free_coherent(&ha->pdev->dev, sizeof(*fw_ddb_entry), 45462a991c21SManish Rangankar fw_ddb_entry, fw_ddb_entry_dma); 45472a991c21SManish Rangankar return ret; 45482a991c21SManish Rangankar } 45492a991c21SManish Rangankar 45502a991c21SManish Rangankar static int qla4xxx_get_boot_info(struct scsi_qla_host *ha) 45512a991c21SManish Rangankar { 45522a991c21SManish Rangankar uint16_t ddb_index[2]; 45538de5b958SLalit Chandivade int ret = QLA_ERROR; 45548de5b958SLalit Chandivade int rval; 45552a991c21SManish Rangankar 45562a991c21SManish Rangankar memset(ddb_index, 0, sizeof(ddb_index)); 45578de5b958SLalit Chandivade ddb_index[0] = 0xffff; 45588de5b958SLalit Chandivade ddb_index[1] = 0xffff; 45592a991c21SManish Rangankar ret = get_fw_boot_info(ha, ddb_index); 45602a991c21SManish Rangankar if (ret != QLA_SUCCESS) { 4561e8fb00e0SManish Rangankar DEBUG2(ql4_printk(KERN_INFO, ha, 4562e8fb00e0SManish Rangankar "%s: No boot target configured.\n", __func__)); 45632a991c21SManish Rangankar return ret; 45642a991c21SManish Rangankar } 45652a991c21SManish Rangankar 456613483730SMike Christie if (ql4xdisablesysfsboot) 456713483730SMike Christie return QLA_SUCCESS; 456813483730SMike Christie 45698de5b958SLalit Chandivade if (ddb_index[0] == 0xffff) 45708de5b958SLalit Chandivade goto sec_target; 45718de5b958SLalit Chandivade 45728de5b958SLalit Chandivade rval = qla4xxx_get_boot_target(ha, &(ha->boot_tgt.boot_pri_sess), 45732a991c21SManish Rangankar ddb_index[0]); 45748de5b958SLalit Chandivade if (rval != QLA_SUCCESS) { 4575e8fb00e0SManish Rangankar DEBUG2(ql4_printk(KERN_INFO, ha, "%s: Primary boot target not " 4576e8fb00e0SManish Rangankar "configured\n", __func__)); 45778de5b958SLalit Chandivade } else 45788de5b958SLalit Chandivade ret = QLA_SUCCESS; 45792a991c21SManish Rangankar 45808de5b958SLalit Chandivade sec_target: 45818de5b958SLalit Chandivade if (ddb_index[1] == 0xffff) 45828de5b958SLalit Chandivade goto exit_get_boot_info; 45838de5b958SLalit Chandivade 45848de5b958SLalit Chandivade rval = qla4xxx_get_boot_target(ha, &(ha->boot_tgt.boot_sec_sess), 45852a991c21SManish Rangankar ddb_index[1]); 45868de5b958SLalit Chandivade if (rval != QLA_SUCCESS) { 4587e8fb00e0SManish Rangankar DEBUG2(ql4_printk(KERN_INFO, ha, "%s: Secondary boot target not" 4588e8fb00e0SManish Rangankar " configured\n", __func__)); 45898de5b958SLalit Chandivade } else 45908de5b958SLalit Chandivade ret = QLA_SUCCESS; 45918de5b958SLalit Chandivade 45928de5b958SLalit Chandivade exit_get_boot_info: 45932a991c21SManish Rangankar return ret; 45942a991c21SManish Rangankar } 45952a991c21SManish Rangankar 45962a991c21SManish Rangankar static int qla4xxx_setup_boot_info(struct scsi_qla_host *ha) 45972a991c21SManish Rangankar { 45982a991c21SManish Rangankar struct iscsi_boot_kobj *boot_kobj; 45992a991c21SManish Rangankar 46002a991c21SManish Rangankar if (qla4xxx_get_boot_info(ha) != QLA_SUCCESS) 460113483730SMike Christie return QLA_ERROR; 460213483730SMike Christie 460313483730SMike Christie if (ql4xdisablesysfsboot) { 460413483730SMike Christie ql4_printk(KERN_INFO, ha, 460513483730SMike Christie "%s: syfsboot disabled - driver will trigger login " 460613483730SMike Christie "and publish session for discovery .\n", __func__); 460713483730SMike Christie return QLA_SUCCESS; 460813483730SMike Christie } 460913483730SMike Christie 46102a991c21SManish Rangankar 46112a991c21SManish Rangankar ha->boot_kset = iscsi_boot_create_host_kset(ha->host->host_no); 46122a991c21SManish Rangankar if (!ha->boot_kset) 46132a991c21SManish Rangankar goto kset_free; 46142a991c21SManish Rangankar 46152a991c21SManish Rangankar if (!scsi_host_get(ha->host)) 46162a991c21SManish Rangankar goto kset_free; 46172a991c21SManish Rangankar boot_kobj = iscsi_boot_create_target(ha->boot_kset, 0, ha, 46182a991c21SManish Rangankar qla4xxx_show_boot_tgt_pri_info, 46192a991c21SManish Rangankar qla4xxx_tgt_get_attr_visibility, 46202a991c21SManish Rangankar qla4xxx_boot_release); 46212a991c21SManish Rangankar if (!boot_kobj) 46222a991c21SManish Rangankar goto put_host; 46232a991c21SManish Rangankar 46242a991c21SManish Rangankar if (!scsi_host_get(ha->host)) 46252a991c21SManish Rangankar goto kset_free; 46262a991c21SManish Rangankar boot_kobj = iscsi_boot_create_target(ha->boot_kset, 1, ha, 46272a991c21SManish Rangankar qla4xxx_show_boot_tgt_sec_info, 46282a991c21SManish Rangankar qla4xxx_tgt_get_attr_visibility, 46292a991c21SManish Rangankar qla4xxx_boot_release); 46302a991c21SManish Rangankar if (!boot_kobj) 46312a991c21SManish Rangankar goto put_host; 46322a991c21SManish Rangankar 46332a991c21SManish Rangankar if (!scsi_host_get(ha->host)) 46342a991c21SManish Rangankar goto kset_free; 46352a991c21SManish Rangankar boot_kobj = iscsi_boot_create_initiator(ha->boot_kset, 0, ha, 46362a991c21SManish Rangankar qla4xxx_show_boot_ini_info, 46372a991c21SManish Rangankar qla4xxx_ini_get_attr_visibility, 46382a991c21SManish Rangankar qla4xxx_boot_release); 46392a991c21SManish Rangankar if (!boot_kobj) 46402a991c21SManish Rangankar goto put_host; 46412a991c21SManish Rangankar 46422a991c21SManish Rangankar if (!scsi_host_get(ha->host)) 46432a991c21SManish Rangankar goto kset_free; 46442a991c21SManish Rangankar boot_kobj = iscsi_boot_create_ethernet(ha->boot_kset, 0, ha, 46452a991c21SManish Rangankar qla4xxx_show_boot_eth_info, 46462a991c21SManish Rangankar qla4xxx_eth_get_attr_visibility, 46472a991c21SManish Rangankar qla4xxx_boot_release); 46482a991c21SManish Rangankar if (!boot_kobj) 46492a991c21SManish Rangankar goto put_host; 46502a991c21SManish Rangankar 465113483730SMike Christie return QLA_SUCCESS; 46522a991c21SManish Rangankar 46532a991c21SManish Rangankar put_host: 46542a991c21SManish Rangankar scsi_host_put(ha->host); 46552a991c21SManish Rangankar kset_free: 46562a991c21SManish Rangankar iscsi_boot_destroy_kset(ha->boot_kset); 46572a991c21SManish Rangankar return -ENOMEM; 46582a991c21SManish Rangankar } 46592a991c21SManish Rangankar 46604549415aSLalit Chandivade 46614549415aSLalit Chandivade /** 46624549415aSLalit Chandivade * qla4xxx_create chap_list - Create CHAP list from FLASH 46634549415aSLalit Chandivade * @ha: pointer to adapter structure 46644549415aSLalit Chandivade * 46654549415aSLalit Chandivade * Read flash and make a list of CHAP entries, during login when a CHAP entry 46664549415aSLalit Chandivade * is received, it will be checked in this list. If entry exist then the CHAP 46674549415aSLalit Chandivade * entry index is set in the DDB. If CHAP entry does not exist in this list 46684549415aSLalit Chandivade * then a new entry is added in FLASH in CHAP table and the index obtained is 46694549415aSLalit Chandivade * used in the DDB. 46704549415aSLalit Chandivade **/ 46714549415aSLalit Chandivade static void qla4xxx_create_chap_list(struct scsi_qla_host *ha) 46724549415aSLalit Chandivade { 46734549415aSLalit Chandivade int rval = 0; 46744549415aSLalit Chandivade uint8_t *chap_flash_data = NULL; 46754549415aSLalit Chandivade uint32_t offset; 46764549415aSLalit Chandivade dma_addr_t chap_dma; 46774549415aSLalit Chandivade uint32_t chap_size = 0; 46784549415aSLalit Chandivade 46794549415aSLalit Chandivade if (is_qla40XX(ha)) 46804549415aSLalit Chandivade chap_size = MAX_CHAP_ENTRIES_40XX * 46814549415aSLalit Chandivade sizeof(struct ql4_chap_table); 46824549415aSLalit Chandivade else /* Single region contains CHAP info for both 46834549415aSLalit Chandivade * ports which is divided into half for each port. 46844549415aSLalit Chandivade */ 46854549415aSLalit Chandivade chap_size = ha->hw.flt_chap_size / 2; 46864549415aSLalit Chandivade 46874549415aSLalit Chandivade chap_flash_data = dma_alloc_coherent(&ha->pdev->dev, chap_size, 46884549415aSLalit Chandivade &chap_dma, GFP_KERNEL); 46894549415aSLalit Chandivade if (!chap_flash_data) { 46904549415aSLalit Chandivade ql4_printk(KERN_ERR, ha, "No memory for chap_flash_data\n"); 46914549415aSLalit Chandivade return; 46924549415aSLalit Chandivade } 46934549415aSLalit Chandivade if (is_qla40XX(ha)) 46944549415aSLalit Chandivade offset = FLASH_CHAP_OFFSET; 46954549415aSLalit Chandivade else { 46964549415aSLalit Chandivade offset = FLASH_RAW_ACCESS_ADDR + (ha->hw.flt_region_chap << 2); 46974549415aSLalit Chandivade if (ha->port_num == 1) 46984549415aSLalit Chandivade offset += chap_size; 46994549415aSLalit Chandivade } 47004549415aSLalit Chandivade 47014549415aSLalit Chandivade rval = qla4xxx_get_flash(ha, chap_dma, offset, chap_size); 47024549415aSLalit Chandivade if (rval != QLA_SUCCESS) 47034549415aSLalit Chandivade goto exit_chap_list; 47044549415aSLalit Chandivade 47054549415aSLalit Chandivade if (ha->chap_list == NULL) 47064549415aSLalit Chandivade ha->chap_list = vmalloc(chap_size); 47074549415aSLalit Chandivade if (ha->chap_list == NULL) { 47084549415aSLalit Chandivade ql4_printk(KERN_ERR, ha, "No memory for ha->chap_list\n"); 47094549415aSLalit Chandivade goto exit_chap_list; 47104549415aSLalit Chandivade } 47114549415aSLalit Chandivade 47124549415aSLalit Chandivade memcpy(ha->chap_list, chap_flash_data, chap_size); 47134549415aSLalit Chandivade 47144549415aSLalit Chandivade exit_chap_list: 47154549415aSLalit Chandivade dma_free_coherent(&ha->pdev->dev, chap_size, 47164549415aSLalit Chandivade chap_flash_data, chap_dma); 471713483730SMike Christie } 471813483730SMike Christie 471913483730SMike Christie static void qla4xxx_get_param_ddb(struct ddb_entry *ddb_entry, 472013483730SMike Christie struct ql4_tuple_ddb *tddb) 472113483730SMike Christie { 472213483730SMike Christie struct scsi_qla_host *ha; 472313483730SMike Christie struct iscsi_cls_session *cls_sess; 472413483730SMike Christie struct iscsi_cls_conn *cls_conn; 472513483730SMike Christie struct iscsi_session *sess; 472613483730SMike Christie struct iscsi_conn *conn; 472713483730SMike Christie 472813483730SMike Christie DEBUG2(printk(KERN_INFO "Func: %s\n", __func__)); 472913483730SMike Christie ha = ddb_entry->ha; 473013483730SMike Christie cls_sess = ddb_entry->sess; 473113483730SMike Christie sess = cls_sess->dd_data; 473213483730SMike Christie cls_conn = ddb_entry->conn; 473313483730SMike Christie conn = cls_conn->dd_data; 473413483730SMike Christie 473513483730SMike Christie tddb->tpgt = sess->tpgt; 473613483730SMike Christie tddb->port = conn->persistent_port; 473713483730SMike Christie strncpy(tddb->iscsi_name, sess->targetname, ISCSI_NAME_SIZE); 473813483730SMike Christie strncpy(tddb->ip_addr, conn->persistent_address, DDB_IPADDR_LEN); 473913483730SMike Christie } 474013483730SMike Christie 474113483730SMike Christie static void qla4xxx_convert_param_ddb(struct dev_db_entry *fw_ddb_entry, 47421cb78d73SVikas Chaudhary struct ql4_tuple_ddb *tddb, 47431cb78d73SVikas Chaudhary uint8_t *flash_isid) 474413483730SMike Christie { 474513483730SMike Christie uint16_t options = 0; 474613483730SMike Christie 474713483730SMike Christie tddb->tpgt = le32_to_cpu(fw_ddb_entry->tgt_portal_grp); 474813483730SMike Christie memcpy(&tddb->iscsi_name[0], &fw_ddb_entry->iscsi_name[0], 474913483730SMike Christie min(sizeof(tddb->iscsi_name), sizeof(fw_ddb_entry->iscsi_name))); 475013483730SMike Christie 475113483730SMike Christie options = le16_to_cpu(fw_ddb_entry->options); 475213483730SMike Christie if (options & DDB_OPT_IPV6_DEVICE) 475313483730SMike Christie sprintf(tddb->ip_addr, "%pI6", fw_ddb_entry->ip_addr); 475413483730SMike Christie else 475513483730SMike Christie sprintf(tddb->ip_addr, "%pI4", fw_ddb_entry->ip_addr); 475613483730SMike Christie 475713483730SMike Christie tddb->port = le16_to_cpu(fw_ddb_entry->port); 47581cb78d73SVikas Chaudhary 47591cb78d73SVikas Chaudhary if (flash_isid == NULL) 47601cb78d73SVikas Chaudhary memcpy(&tddb->isid[0], &fw_ddb_entry->isid[0], 47611cb78d73SVikas Chaudhary sizeof(tddb->isid)); 47621cb78d73SVikas Chaudhary else 47631cb78d73SVikas Chaudhary memcpy(&tddb->isid[0], &flash_isid[0], sizeof(tddb->isid)); 476413483730SMike Christie } 476513483730SMike Christie 476613483730SMike Christie static int qla4xxx_compare_tuple_ddb(struct scsi_qla_host *ha, 476713483730SMike Christie struct ql4_tuple_ddb *old_tddb, 4768173269efSManish Rangankar struct ql4_tuple_ddb *new_tddb, 4769173269efSManish Rangankar uint8_t is_isid_compare) 477013483730SMike Christie { 477113483730SMike Christie if (strcmp(old_tddb->iscsi_name, new_tddb->iscsi_name)) 477213483730SMike Christie return QLA_ERROR; 477313483730SMike Christie 477413483730SMike Christie if (strcmp(old_tddb->ip_addr, new_tddb->ip_addr)) 477513483730SMike Christie return QLA_ERROR; 477613483730SMike Christie 477713483730SMike Christie if (old_tddb->port != new_tddb->port) 477813483730SMike Christie return QLA_ERROR; 477913483730SMike Christie 4780173269efSManish Rangankar /* For multi sessions, driver generates the ISID, so do not compare 478159e13d48SMasanari Iida * ISID in reset path since it would be a comparison between the 4782173269efSManish Rangankar * driver generated ISID and firmware generated ISID. This could 4783173269efSManish Rangankar * lead to adding duplicated DDBs in the list as driver generated 4784173269efSManish Rangankar * ISID would not match firmware generated ISID. 4785173269efSManish Rangankar */ 4786173269efSManish Rangankar if (is_isid_compare) { 4787173269efSManish Rangankar DEBUG2(ql4_printk(KERN_INFO, ha, "%s: old ISID [%02x%02x%02x" 4788173269efSManish Rangankar "%02x%02x%02x] New ISID [%02x%02x%02x%02x%02x%02x]\n", 4789173269efSManish Rangankar __func__, old_tddb->isid[5], old_tddb->isid[4], 4790173269efSManish Rangankar old_tddb->isid[3], old_tddb->isid[2], old_tddb->isid[1], 4791173269efSManish Rangankar old_tddb->isid[0], new_tddb->isid[5], new_tddb->isid[4], 4792173269efSManish Rangankar new_tddb->isid[3], new_tddb->isid[2], new_tddb->isid[1], 4793173269efSManish Rangankar new_tddb->isid[0])); 4794173269efSManish Rangankar 4795173269efSManish Rangankar if (memcmp(&old_tddb->isid[0], &new_tddb->isid[0], 4796173269efSManish Rangankar sizeof(old_tddb->isid))) 4797173269efSManish Rangankar return QLA_ERROR; 4798173269efSManish Rangankar } 4799173269efSManish Rangankar 480013483730SMike Christie DEBUG2(ql4_printk(KERN_INFO, ha, 480113483730SMike Christie "Match Found, fw[%d,%d,%s,%s], [%d,%d,%s,%s]", 480213483730SMike Christie old_tddb->port, old_tddb->tpgt, old_tddb->ip_addr, 480313483730SMike Christie old_tddb->iscsi_name, new_tddb->port, new_tddb->tpgt, 480413483730SMike Christie new_tddb->ip_addr, new_tddb->iscsi_name)); 480513483730SMike Christie 480613483730SMike Christie return QLA_SUCCESS; 480713483730SMike Christie } 480813483730SMike Christie 480913483730SMike Christie static int qla4xxx_is_session_exists(struct scsi_qla_host *ha, 481013483730SMike Christie struct dev_db_entry *fw_ddb_entry) 481113483730SMike Christie { 481213483730SMike Christie struct ddb_entry *ddb_entry; 481313483730SMike Christie struct ql4_tuple_ddb *fw_tddb = NULL; 481413483730SMike Christie struct ql4_tuple_ddb *tmp_tddb = NULL; 481513483730SMike Christie int idx; 481613483730SMike Christie int ret = QLA_ERROR; 481713483730SMike Christie 481813483730SMike Christie fw_tddb = vzalloc(sizeof(*fw_tddb)); 481913483730SMike Christie if (!fw_tddb) { 482013483730SMike Christie DEBUG2(ql4_printk(KERN_WARNING, ha, 482113483730SMike Christie "Memory Allocation failed.\n")); 482213483730SMike Christie ret = QLA_SUCCESS; 482313483730SMike Christie goto exit_check; 482413483730SMike Christie } 482513483730SMike Christie 482613483730SMike Christie tmp_tddb = vzalloc(sizeof(*tmp_tddb)); 482713483730SMike Christie if (!tmp_tddb) { 482813483730SMike Christie DEBUG2(ql4_printk(KERN_WARNING, ha, 482913483730SMike Christie "Memory Allocation failed.\n")); 483013483730SMike Christie ret = QLA_SUCCESS; 483113483730SMike Christie goto exit_check; 483213483730SMike Christie } 483313483730SMike Christie 48341cb78d73SVikas Chaudhary qla4xxx_convert_param_ddb(fw_ddb_entry, fw_tddb, NULL); 483513483730SMike Christie 483613483730SMike Christie for (idx = 0; idx < MAX_DDB_ENTRIES; idx++) { 483713483730SMike Christie ddb_entry = qla4xxx_lookup_ddb_by_fw_index(ha, idx); 483813483730SMike Christie if (ddb_entry == NULL) 483913483730SMike Christie continue; 484013483730SMike Christie 484113483730SMike Christie qla4xxx_get_param_ddb(ddb_entry, tmp_tddb); 4842173269efSManish Rangankar if (!qla4xxx_compare_tuple_ddb(ha, fw_tddb, tmp_tddb, false)) { 484313483730SMike Christie ret = QLA_SUCCESS; /* found */ 484413483730SMike Christie goto exit_check; 484513483730SMike Christie } 484613483730SMike Christie } 484713483730SMike Christie 484813483730SMike Christie exit_check: 484913483730SMike Christie if (fw_tddb) 485013483730SMike Christie vfree(fw_tddb); 485113483730SMike Christie if (tmp_tddb) 485213483730SMike Christie vfree(tmp_tddb); 485313483730SMike Christie return ret; 485413483730SMike Christie } 485513483730SMike Christie 48561cb78d73SVikas Chaudhary /** 48571cb78d73SVikas Chaudhary * qla4xxx_check_existing_isid - check if target with same isid exist 48581cb78d73SVikas Chaudhary * in target list 48591cb78d73SVikas Chaudhary * @list_nt: list of target 48601cb78d73SVikas Chaudhary * @isid: isid to check 48611cb78d73SVikas Chaudhary * 48621cb78d73SVikas Chaudhary * This routine return QLA_SUCCESS if target with same isid exist 48631cb78d73SVikas Chaudhary **/ 48641cb78d73SVikas Chaudhary static int qla4xxx_check_existing_isid(struct list_head *list_nt, uint8_t *isid) 48651cb78d73SVikas Chaudhary { 48661cb78d73SVikas Chaudhary struct qla_ddb_index *nt_ddb_idx, *nt_ddb_idx_tmp; 48671cb78d73SVikas Chaudhary struct dev_db_entry *fw_ddb_entry; 48681cb78d73SVikas Chaudhary 48691cb78d73SVikas Chaudhary list_for_each_entry_safe(nt_ddb_idx, nt_ddb_idx_tmp, list_nt, list) { 48701cb78d73SVikas Chaudhary fw_ddb_entry = &nt_ddb_idx->fw_ddb; 48711cb78d73SVikas Chaudhary 48721cb78d73SVikas Chaudhary if (memcmp(&fw_ddb_entry->isid[0], &isid[0], 48731cb78d73SVikas Chaudhary sizeof(nt_ddb_idx->fw_ddb.isid)) == 0) { 48741cb78d73SVikas Chaudhary return QLA_SUCCESS; 48751cb78d73SVikas Chaudhary } 48761cb78d73SVikas Chaudhary } 48771cb78d73SVikas Chaudhary return QLA_ERROR; 48781cb78d73SVikas Chaudhary } 48791cb78d73SVikas Chaudhary 48801cb78d73SVikas Chaudhary /** 48811cb78d73SVikas Chaudhary * qla4xxx_update_isid - compare ddbs and updated isid 48821cb78d73SVikas Chaudhary * @ha: Pointer to host adapter structure. 48831cb78d73SVikas Chaudhary * @list_nt: list of nt target 48841cb78d73SVikas Chaudhary * @fw_ddb_entry: firmware ddb entry 48851cb78d73SVikas Chaudhary * 48861cb78d73SVikas Chaudhary * This routine update isid if ddbs have same iqn, same isid and 48871cb78d73SVikas Chaudhary * different IP addr. 48881cb78d73SVikas Chaudhary * Return QLA_SUCCESS if isid is updated. 48891cb78d73SVikas Chaudhary **/ 48901cb78d73SVikas Chaudhary static int qla4xxx_update_isid(struct scsi_qla_host *ha, 48911cb78d73SVikas Chaudhary struct list_head *list_nt, 48921cb78d73SVikas Chaudhary struct dev_db_entry *fw_ddb_entry) 48931cb78d73SVikas Chaudhary { 48941cb78d73SVikas Chaudhary uint8_t base_value, i; 48951cb78d73SVikas Chaudhary 48961cb78d73SVikas Chaudhary base_value = fw_ddb_entry->isid[1] & 0x1f; 48971cb78d73SVikas Chaudhary for (i = 0; i < 8; i++) { 48981cb78d73SVikas Chaudhary fw_ddb_entry->isid[1] = (base_value | (i << 5)); 48991cb78d73SVikas Chaudhary if (qla4xxx_check_existing_isid(list_nt, fw_ddb_entry->isid)) 49001cb78d73SVikas Chaudhary break; 49011cb78d73SVikas Chaudhary } 49021cb78d73SVikas Chaudhary 49031cb78d73SVikas Chaudhary if (!qla4xxx_check_existing_isid(list_nt, fw_ddb_entry->isid)) 49041cb78d73SVikas Chaudhary return QLA_ERROR; 49051cb78d73SVikas Chaudhary 49061cb78d73SVikas Chaudhary return QLA_SUCCESS; 49071cb78d73SVikas Chaudhary } 49081cb78d73SVikas Chaudhary 49091cb78d73SVikas Chaudhary /** 49101cb78d73SVikas Chaudhary * qla4xxx_should_update_isid - check if isid need to update 49111cb78d73SVikas Chaudhary * @ha: Pointer to host adapter structure. 49121cb78d73SVikas Chaudhary * @old_tddb: ddb tuple 49131cb78d73SVikas Chaudhary * @new_tddb: ddb tuple 49141cb78d73SVikas Chaudhary * 49151cb78d73SVikas Chaudhary * Return QLA_SUCCESS if different IP, different PORT, same iqn, 49161cb78d73SVikas Chaudhary * same isid 49171cb78d73SVikas Chaudhary **/ 49181cb78d73SVikas Chaudhary static int qla4xxx_should_update_isid(struct scsi_qla_host *ha, 49191cb78d73SVikas Chaudhary struct ql4_tuple_ddb *old_tddb, 49201cb78d73SVikas Chaudhary struct ql4_tuple_ddb *new_tddb) 49211cb78d73SVikas Chaudhary { 49221cb78d73SVikas Chaudhary if (strcmp(old_tddb->ip_addr, new_tddb->ip_addr) == 0) { 49231cb78d73SVikas Chaudhary /* Same ip */ 49241cb78d73SVikas Chaudhary if (old_tddb->port == new_tddb->port) 49251cb78d73SVikas Chaudhary return QLA_ERROR; 49261cb78d73SVikas Chaudhary } 49271cb78d73SVikas Chaudhary 49281cb78d73SVikas Chaudhary if (strcmp(old_tddb->iscsi_name, new_tddb->iscsi_name)) 49291cb78d73SVikas Chaudhary /* different iqn */ 49301cb78d73SVikas Chaudhary return QLA_ERROR; 49311cb78d73SVikas Chaudhary 49321cb78d73SVikas Chaudhary if (memcmp(&old_tddb->isid[0], &new_tddb->isid[0], 49331cb78d73SVikas Chaudhary sizeof(old_tddb->isid))) 49341cb78d73SVikas Chaudhary /* different isid */ 49351cb78d73SVikas Chaudhary return QLA_ERROR; 49361cb78d73SVikas Chaudhary 49371cb78d73SVikas Chaudhary return QLA_SUCCESS; 49381cb78d73SVikas Chaudhary } 49391cb78d73SVikas Chaudhary 49401cb78d73SVikas Chaudhary /** 49411cb78d73SVikas Chaudhary * qla4xxx_is_flash_ddb_exists - check if fw_ddb_entry already exists in list_nt 49421cb78d73SVikas Chaudhary * @ha: Pointer to host adapter structure. 49431cb78d73SVikas Chaudhary * @list_nt: list of nt target. 49441cb78d73SVikas Chaudhary * @fw_ddb_entry: firmware ddb entry. 49451cb78d73SVikas Chaudhary * 49461cb78d73SVikas Chaudhary * This routine check if fw_ddb_entry already exists in list_nt to avoid 49471cb78d73SVikas Chaudhary * duplicate ddb in list_nt. 49481cb78d73SVikas Chaudhary * Return QLA_SUCCESS if duplicate ddb exit in list_nl. 49491cb78d73SVikas Chaudhary * Note: This function also update isid of DDB if required. 49501cb78d73SVikas Chaudhary **/ 49511cb78d73SVikas Chaudhary 495213483730SMike Christie static int qla4xxx_is_flash_ddb_exists(struct scsi_qla_host *ha, 495313483730SMike Christie struct list_head *list_nt, 495413483730SMike Christie struct dev_db_entry *fw_ddb_entry) 495513483730SMike Christie { 495613483730SMike Christie struct qla_ddb_index *nt_ddb_idx, *nt_ddb_idx_tmp; 495713483730SMike Christie struct ql4_tuple_ddb *fw_tddb = NULL; 495813483730SMike Christie struct ql4_tuple_ddb *tmp_tddb = NULL; 49591cb78d73SVikas Chaudhary int rval, ret = QLA_ERROR; 496013483730SMike Christie 496113483730SMike Christie fw_tddb = vzalloc(sizeof(*fw_tddb)); 496213483730SMike Christie if (!fw_tddb) { 496313483730SMike Christie DEBUG2(ql4_printk(KERN_WARNING, ha, 496413483730SMike Christie "Memory Allocation failed.\n")); 496513483730SMike Christie ret = QLA_SUCCESS; 496613483730SMike Christie goto exit_check; 496713483730SMike Christie } 496813483730SMike Christie 496913483730SMike Christie tmp_tddb = vzalloc(sizeof(*tmp_tddb)); 497013483730SMike Christie if (!tmp_tddb) { 497113483730SMike Christie DEBUG2(ql4_printk(KERN_WARNING, ha, 497213483730SMike Christie "Memory Allocation failed.\n")); 497313483730SMike Christie ret = QLA_SUCCESS; 497413483730SMike Christie goto exit_check; 497513483730SMike Christie } 497613483730SMike Christie 49771cb78d73SVikas Chaudhary qla4xxx_convert_param_ddb(fw_ddb_entry, fw_tddb, NULL); 497813483730SMike Christie 497913483730SMike Christie list_for_each_entry_safe(nt_ddb_idx, nt_ddb_idx_tmp, list_nt, list) { 49801cb78d73SVikas Chaudhary qla4xxx_convert_param_ddb(&nt_ddb_idx->fw_ddb, tmp_tddb, 49811cb78d73SVikas Chaudhary nt_ddb_idx->flash_isid); 49821cb78d73SVikas Chaudhary ret = qla4xxx_compare_tuple_ddb(ha, fw_tddb, tmp_tddb, true); 49831cb78d73SVikas Chaudhary /* found duplicate ddb */ 49841cb78d73SVikas Chaudhary if (ret == QLA_SUCCESS) 49851cb78d73SVikas Chaudhary goto exit_check; 49861cb78d73SVikas Chaudhary } 49871cb78d73SVikas Chaudhary 49881cb78d73SVikas Chaudhary list_for_each_entry_safe(nt_ddb_idx, nt_ddb_idx_tmp, list_nt, list) { 49891cb78d73SVikas Chaudhary qla4xxx_convert_param_ddb(&nt_ddb_idx->fw_ddb, tmp_tddb, NULL); 49901cb78d73SVikas Chaudhary 49911cb78d73SVikas Chaudhary ret = qla4xxx_should_update_isid(ha, tmp_tddb, fw_tddb); 49921cb78d73SVikas Chaudhary if (ret == QLA_SUCCESS) { 49931cb78d73SVikas Chaudhary rval = qla4xxx_update_isid(ha, list_nt, fw_ddb_entry); 49941cb78d73SVikas Chaudhary if (rval == QLA_SUCCESS) 49951cb78d73SVikas Chaudhary ret = QLA_ERROR; 49961cb78d73SVikas Chaudhary else 49971cb78d73SVikas Chaudhary ret = QLA_SUCCESS; 49981cb78d73SVikas Chaudhary 499913483730SMike Christie goto exit_check; 500013483730SMike Christie } 500113483730SMike Christie } 500213483730SMike Christie 500313483730SMike Christie exit_check: 500413483730SMike Christie if (fw_tddb) 500513483730SMike Christie vfree(fw_tddb); 500613483730SMike Christie if (tmp_tddb) 500713483730SMike Christie vfree(tmp_tddb); 500813483730SMike Christie return ret; 500913483730SMike Christie } 501013483730SMike Christie 50114a4bc2e9SLalit Chandivade static void qla4xxx_free_ddb_list(struct list_head *list_ddb) 501213483730SMike Christie { 50134a4bc2e9SLalit Chandivade struct qla_ddb_index *ddb_idx, *ddb_idx_tmp; 501413483730SMike Christie 50154a4bc2e9SLalit Chandivade list_for_each_entry_safe(ddb_idx, ddb_idx_tmp, list_ddb, list) { 50164a4bc2e9SLalit Chandivade list_del_init(&ddb_idx->list); 50174a4bc2e9SLalit Chandivade vfree(ddb_idx); 501813483730SMike Christie } 501913483730SMike Christie } 502013483730SMike Christie 502113483730SMike Christie static struct iscsi_endpoint *qla4xxx_get_ep_fwdb(struct scsi_qla_host *ha, 502213483730SMike Christie struct dev_db_entry *fw_ddb_entry) 502313483730SMike Christie { 502413483730SMike Christie struct iscsi_endpoint *ep; 502513483730SMike Christie struct sockaddr_in *addr; 502613483730SMike Christie struct sockaddr_in6 *addr6; 50273dd4849cSManish Rangankar struct sockaddr *t_addr; 50283dd4849cSManish Rangankar struct sockaddr_storage *dst_addr; 502913483730SMike Christie char *ip; 503013483730SMike Christie 503113483730SMike Christie /* TODO: need to destroy on unload iscsi_endpoint*/ 503213483730SMike Christie dst_addr = vmalloc(sizeof(*dst_addr)); 503313483730SMike Christie if (!dst_addr) 503413483730SMike Christie return NULL; 503513483730SMike Christie 503613483730SMike Christie if (fw_ddb_entry->options & DDB_OPT_IPV6_DEVICE) { 50373dd4849cSManish Rangankar t_addr = (struct sockaddr *)dst_addr; 50383dd4849cSManish Rangankar t_addr->sa_family = AF_INET6; 503913483730SMike Christie addr6 = (struct sockaddr_in6 *)dst_addr; 504013483730SMike Christie ip = (char *)&addr6->sin6_addr; 504113483730SMike Christie memcpy(ip, fw_ddb_entry->ip_addr, IPv6_ADDR_LEN); 504213483730SMike Christie addr6->sin6_port = htons(le16_to_cpu(fw_ddb_entry->port)); 504313483730SMike Christie 504413483730SMike Christie } else { 50453dd4849cSManish Rangankar t_addr = (struct sockaddr *)dst_addr; 50463dd4849cSManish Rangankar t_addr->sa_family = AF_INET; 504713483730SMike Christie addr = (struct sockaddr_in *)dst_addr; 504813483730SMike Christie ip = (char *)&addr->sin_addr; 504913483730SMike Christie memcpy(ip, fw_ddb_entry->ip_addr, IP_ADDR_LEN); 505013483730SMike Christie addr->sin_port = htons(le16_to_cpu(fw_ddb_entry->port)); 505113483730SMike Christie } 505213483730SMike Christie 50533dd4849cSManish Rangankar ep = qla4xxx_ep_connect(ha->host, (struct sockaddr *)dst_addr, 0); 505413483730SMike Christie vfree(dst_addr); 505513483730SMike Christie return ep; 505613483730SMike Christie } 505713483730SMike Christie 505813483730SMike Christie static int qla4xxx_verify_boot_idx(struct scsi_qla_host *ha, uint16_t idx) 505913483730SMike Christie { 506013483730SMike Christie if (ql4xdisablesysfsboot) 506113483730SMike Christie return QLA_SUCCESS; 506213483730SMike Christie if (idx == ha->pri_ddb_idx || idx == ha->sec_ddb_idx) 506313483730SMike Christie return QLA_ERROR; 506413483730SMike Christie return QLA_SUCCESS; 506513483730SMike Christie } 506613483730SMike Christie 506713483730SMike Christie static void qla4xxx_setup_flash_ddb_entry(struct scsi_qla_host *ha, 50681dc8ed5dSManish Rangankar struct ddb_entry *ddb_entry, 50691dc8ed5dSManish Rangankar uint16_t idx) 507013483730SMike Christie { 5071c28eaacaSNilesh Javali uint16_t def_timeout; 5072c28eaacaSNilesh Javali 507313483730SMike Christie ddb_entry->ddb_type = FLASH_DDB; 507413483730SMike Christie ddb_entry->fw_ddb_index = INVALID_ENTRY; 507513483730SMike Christie ddb_entry->fw_ddb_device_state = DDB_DS_NO_CONNECTION_ACTIVE; 507613483730SMike Christie ddb_entry->ha = ha; 507713483730SMike Christie ddb_entry->unblock_sess = qla4xxx_unblock_flash_ddb; 507813483730SMike Christie ddb_entry->ddb_change = qla4xxx_flash_ddb_change; 507913483730SMike Christie 508013483730SMike Christie atomic_set(&ddb_entry->retry_relogin_timer, INVALID_ENTRY); 508113483730SMike Christie atomic_set(&ddb_entry->relogin_timer, 0); 508213483730SMike Christie atomic_set(&ddb_entry->relogin_retry_count, 0); 5083c28eaacaSNilesh Javali def_timeout = le16_to_cpu(ddb_entry->fw_ddb_entry.def_timeout); 508413483730SMike Christie ddb_entry->default_relogin_timeout = 5085c28eaacaSNilesh Javali (def_timeout > LOGIN_TOV) && (def_timeout < LOGIN_TOV * 10) ? 5086c28eaacaSNilesh Javali def_timeout : LOGIN_TOV; 508713483730SMike Christie ddb_entry->default_time2wait = 508813483730SMike Christie le16_to_cpu(ddb_entry->fw_ddb_entry.iscsi_def_time2wait); 50891dc8ed5dSManish Rangankar 50901dc8ed5dSManish Rangankar if (ql4xdisablesysfsboot && 50911dc8ed5dSManish Rangankar (idx == ha->pri_ddb_idx || idx == ha->sec_ddb_idx)) 50921dc8ed5dSManish Rangankar set_bit(DF_BOOT_TGT, &ddb_entry->flags); 509313483730SMike Christie } 509413483730SMike Christie 509513483730SMike Christie static void qla4xxx_wait_for_ip_configuration(struct scsi_qla_host *ha) 509613483730SMike Christie { 509713483730SMike Christie uint32_t idx = 0; 509813483730SMike Christie uint32_t ip_idx[IP_ADDR_COUNT] = {0, 1, 2, 3}; /* 4 IP interfaces */ 509913483730SMike Christie uint32_t sts[MBOX_REG_COUNT]; 510013483730SMike Christie uint32_t ip_state; 510113483730SMike Christie unsigned long wtime; 510213483730SMike Christie int ret; 510313483730SMike Christie 510413483730SMike Christie wtime = jiffies + (HZ * IP_CONFIG_TOV); 510513483730SMike Christie do { 510613483730SMike Christie for (idx = 0; idx < IP_ADDR_COUNT; idx++) { 510713483730SMike Christie if (ip_idx[idx] == -1) 510813483730SMike Christie continue; 510913483730SMike Christie 511013483730SMike Christie ret = qla4xxx_get_ip_state(ha, 0, ip_idx[idx], sts); 511113483730SMike Christie 511213483730SMike Christie if (ret == QLA_ERROR) { 511313483730SMike Christie ip_idx[idx] = -1; 511413483730SMike Christie continue; 511513483730SMike Christie } 511613483730SMike Christie 511713483730SMike Christie ip_state = (sts[1] & IP_STATE_MASK) >> IP_STATE_SHIFT; 511813483730SMike Christie 511913483730SMike Christie DEBUG2(ql4_printk(KERN_INFO, ha, 512013483730SMike Christie "Waiting for IP state for idx = %d, state = 0x%x\n", 512113483730SMike Christie ip_idx[idx], ip_state)); 512213483730SMike Christie if (ip_state == IP_ADDRSTATE_UNCONFIGURED || 512313483730SMike Christie ip_state == IP_ADDRSTATE_INVALID || 512413483730SMike Christie ip_state == IP_ADDRSTATE_PREFERRED || 512513483730SMike Christie ip_state == IP_ADDRSTATE_DEPRICATED || 512613483730SMike Christie ip_state == IP_ADDRSTATE_DISABLING) 512713483730SMike Christie ip_idx[idx] = -1; 512813483730SMike Christie } 512913483730SMike Christie 513013483730SMike Christie /* Break if all IP states checked */ 513113483730SMike Christie if ((ip_idx[0] == -1) && 513213483730SMike Christie (ip_idx[1] == -1) && 513313483730SMike Christie (ip_idx[2] == -1) && 513413483730SMike Christie (ip_idx[3] == -1)) 513513483730SMike Christie break; 513613483730SMike Christie schedule_timeout_uninterruptible(HZ); 513713483730SMike Christie } while (time_after(wtime, jiffies)); 513813483730SMike Christie } 513913483730SMike Christie 51404a4bc2e9SLalit Chandivade static void qla4xxx_build_st_list(struct scsi_qla_host *ha, 51414a4bc2e9SLalit Chandivade struct list_head *list_st) 514213483730SMike Christie { 51434a4bc2e9SLalit Chandivade struct qla_ddb_index *st_ddb_idx; 514413483730SMike Christie int max_ddbs; 51454a4bc2e9SLalit Chandivade int fw_idx_size; 51464a4bc2e9SLalit Chandivade struct dev_db_entry *fw_ddb_entry; 51474a4bc2e9SLalit Chandivade dma_addr_t fw_ddb_dma; 514813483730SMike Christie int ret; 514913483730SMike Christie uint32_t idx = 0, next_idx = 0; 515013483730SMike Christie uint32_t state = 0, conn_err = 0; 51514a4bc2e9SLalit Chandivade uint16_t conn_id = 0; 515213483730SMike Christie 515313483730SMike Christie fw_ddb_entry = dma_pool_alloc(ha->fw_ddb_dma_pool, GFP_KERNEL, 515413483730SMike Christie &fw_ddb_dma); 515513483730SMike Christie if (fw_ddb_entry == NULL) { 515613483730SMike Christie DEBUG2(ql4_printk(KERN_ERR, ha, "Out of memory\n")); 51574a4bc2e9SLalit Chandivade goto exit_st_list; 515813483730SMike Christie } 515913483730SMike Christie 51604a4bc2e9SLalit Chandivade max_ddbs = is_qla40XX(ha) ? MAX_DEV_DB_ENTRIES_40XX : 51614a4bc2e9SLalit Chandivade MAX_DEV_DB_ENTRIES; 516213483730SMike Christie fw_idx_size = sizeof(struct qla_ddb_index); 516313483730SMike Christie 516413483730SMike Christie for (idx = 0; idx < max_ddbs; idx = next_idx) { 51654a4bc2e9SLalit Chandivade ret = qla4xxx_get_fwddb_entry(ha, idx, fw_ddb_entry, fw_ddb_dma, 51664a4bc2e9SLalit Chandivade NULL, &next_idx, &state, 51674a4bc2e9SLalit Chandivade &conn_err, NULL, &conn_id); 516813483730SMike Christie if (ret == QLA_ERROR) 516913483730SMike Christie break; 517013483730SMike Christie 5171981c982cSLalit Chandivade /* Ignore DDB if invalid state (unassigned) */ 5172981c982cSLalit Chandivade if (state == DDB_DS_UNASSIGNED) 5173981c982cSLalit Chandivade goto continue_next_st; 5174981c982cSLalit Chandivade 517513483730SMike Christie /* Check if ST, add to the list_st */ 517613483730SMike Christie if (strlen((char *) fw_ddb_entry->iscsi_name) != 0) 517713483730SMike Christie goto continue_next_st; 517813483730SMike Christie 517913483730SMike Christie st_ddb_idx = vzalloc(fw_idx_size); 518013483730SMike Christie if (!st_ddb_idx) 518113483730SMike Christie break; 518213483730SMike Christie 518313483730SMike Christie st_ddb_idx->fw_ddb_idx = idx; 518413483730SMike Christie 51854a4bc2e9SLalit Chandivade list_add_tail(&st_ddb_idx->list, list_st); 518613483730SMike Christie continue_next_st: 518713483730SMike Christie if (next_idx == 0) 518813483730SMike Christie break; 518913483730SMike Christie } 519013483730SMike Christie 51914a4bc2e9SLalit Chandivade exit_st_list: 51924a4bc2e9SLalit Chandivade if (fw_ddb_entry) 51934a4bc2e9SLalit Chandivade dma_pool_free(ha->fw_ddb_dma_pool, fw_ddb_entry, fw_ddb_dma); 51944a4bc2e9SLalit Chandivade } 51954a4bc2e9SLalit Chandivade 51964a4bc2e9SLalit Chandivade /** 51974a4bc2e9SLalit Chandivade * qla4xxx_remove_failed_ddb - Remove inactive or failed ddb from list 51984a4bc2e9SLalit Chandivade * @ha: pointer to adapter structure 51994a4bc2e9SLalit Chandivade * @list_ddb: List from which failed ddb to be removed 52004a4bc2e9SLalit Chandivade * 52014a4bc2e9SLalit Chandivade * Iterate over the list of DDBs and find and remove DDBs that are either in 52024a4bc2e9SLalit Chandivade * no connection active state or failed state 52034a4bc2e9SLalit Chandivade **/ 52044a4bc2e9SLalit Chandivade static void qla4xxx_remove_failed_ddb(struct scsi_qla_host *ha, 52054a4bc2e9SLalit Chandivade struct list_head *list_ddb) 52064a4bc2e9SLalit Chandivade { 52074a4bc2e9SLalit Chandivade struct qla_ddb_index *ddb_idx, *ddb_idx_tmp; 52084a4bc2e9SLalit Chandivade uint32_t next_idx = 0; 52094a4bc2e9SLalit Chandivade uint32_t state = 0, conn_err = 0; 52104a4bc2e9SLalit Chandivade int ret; 52114a4bc2e9SLalit Chandivade 52124a4bc2e9SLalit Chandivade list_for_each_entry_safe(ddb_idx, ddb_idx_tmp, list_ddb, list) { 52134a4bc2e9SLalit Chandivade ret = qla4xxx_get_fwddb_entry(ha, ddb_idx->fw_ddb_idx, 52144a4bc2e9SLalit Chandivade NULL, 0, NULL, &next_idx, &state, 52154a4bc2e9SLalit Chandivade &conn_err, NULL, NULL); 52164a4bc2e9SLalit Chandivade if (ret == QLA_ERROR) 52174a4bc2e9SLalit Chandivade continue; 52184a4bc2e9SLalit Chandivade 52194a4bc2e9SLalit Chandivade if (state == DDB_DS_NO_CONNECTION_ACTIVE || 52204a4bc2e9SLalit Chandivade state == DDB_DS_SESSION_FAILED) { 52214a4bc2e9SLalit Chandivade list_del_init(&ddb_idx->list); 52224a4bc2e9SLalit Chandivade vfree(ddb_idx); 52234a4bc2e9SLalit Chandivade } 52244a4bc2e9SLalit Chandivade } 52254a4bc2e9SLalit Chandivade } 52264a4bc2e9SLalit Chandivade 52274a4bc2e9SLalit Chandivade static int qla4xxx_sess_conn_setup(struct scsi_qla_host *ha, 52284a4bc2e9SLalit Chandivade struct dev_db_entry *fw_ddb_entry, 52291dc8ed5dSManish Rangankar int is_reset, uint16_t idx) 52304a4bc2e9SLalit Chandivade { 52314a4bc2e9SLalit Chandivade struct iscsi_cls_session *cls_sess; 52324a4bc2e9SLalit Chandivade struct iscsi_session *sess; 52334a4bc2e9SLalit Chandivade struct iscsi_cls_conn *cls_conn; 52344a4bc2e9SLalit Chandivade struct iscsi_endpoint *ep; 52354a4bc2e9SLalit Chandivade uint16_t cmds_max = 32; 52364a4bc2e9SLalit Chandivade uint16_t conn_id = 0; 52374a4bc2e9SLalit Chandivade uint32_t initial_cmdsn = 0; 52384a4bc2e9SLalit Chandivade int ret = QLA_SUCCESS; 52394a4bc2e9SLalit Chandivade 52404a4bc2e9SLalit Chandivade struct ddb_entry *ddb_entry = NULL; 52414a4bc2e9SLalit Chandivade 52424a4bc2e9SLalit Chandivade /* Create session object, with INVALID_ENTRY, 52434a4bc2e9SLalit Chandivade * the targer_id would get set when we issue the login 52444a4bc2e9SLalit Chandivade */ 52454a4bc2e9SLalit Chandivade cls_sess = iscsi_session_setup(&qla4xxx_iscsi_transport, ha->host, 52464a4bc2e9SLalit Chandivade cmds_max, sizeof(struct ddb_entry), 52474a4bc2e9SLalit Chandivade sizeof(struct ql4_task_data), 52484a4bc2e9SLalit Chandivade initial_cmdsn, INVALID_ENTRY); 52494a4bc2e9SLalit Chandivade if (!cls_sess) { 52504a4bc2e9SLalit Chandivade ret = QLA_ERROR; 52514a4bc2e9SLalit Chandivade goto exit_setup; 52524a4bc2e9SLalit Chandivade } 52534a4bc2e9SLalit Chandivade 52544a4bc2e9SLalit Chandivade /* 52554a4bc2e9SLalit Chandivade * so calling module_put function to decrement the 52564a4bc2e9SLalit Chandivade * reference count. 52574a4bc2e9SLalit Chandivade **/ 52584a4bc2e9SLalit Chandivade module_put(qla4xxx_iscsi_transport.owner); 52594a4bc2e9SLalit Chandivade sess = cls_sess->dd_data; 52604a4bc2e9SLalit Chandivade ddb_entry = sess->dd_data; 52614a4bc2e9SLalit Chandivade ddb_entry->sess = cls_sess; 52624a4bc2e9SLalit Chandivade 52634a4bc2e9SLalit Chandivade cls_sess->recovery_tmo = ql4xsess_recovery_tmo; 52644a4bc2e9SLalit Chandivade memcpy(&ddb_entry->fw_ddb_entry, fw_ddb_entry, 52654a4bc2e9SLalit Chandivade sizeof(struct dev_db_entry)); 52664a4bc2e9SLalit Chandivade 52671dc8ed5dSManish Rangankar qla4xxx_setup_flash_ddb_entry(ha, ddb_entry, idx); 52684a4bc2e9SLalit Chandivade 52694a4bc2e9SLalit Chandivade cls_conn = iscsi_conn_setup(cls_sess, sizeof(struct qla_conn), conn_id); 52704a4bc2e9SLalit Chandivade 52714a4bc2e9SLalit Chandivade if (!cls_conn) { 52724a4bc2e9SLalit Chandivade ret = QLA_ERROR; 52734a4bc2e9SLalit Chandivade goto exit_setup; 52744a4bc2e9SLalit Chandivade } 52754a4bc2e9SLalit Chandivade 52764a4bc2e9SLalit Chandivade ddb_entry->conn = cls_conn; 52774a4bc2e9SLalit Chandivade 52784a4bc2e9SLalit Chandivade /* Setup ep, for displaying attributes in sysfs */ 52794a4bc2e9SLalit Chandivade ep = qla4xxx_get_ep_fwdb(ha, fw_ddb_entry); 52804a4bc2e9SLalit Chandivade if (ep) { 52814a4bc2e9SLalit Chandivade ep->conn = cls_conn; 52824a4bc2e9SLalit Chandivade cls_conn->ep = ep; 52834a4bc2e9SLalit Chandivade } else { 52844a4bc2e9SLalit Chandivade DEBUG2(ql4_printk(KERN_ERR, ha, "Unable to get ep\n")); 52854a4bc2e9SLalit Chandivade ret = QLA_ERROR; 52864a4bc2e9SLalit Chandivade goto exit_setup; 52874a4bc2e9SLalit Chandivade } 52884a4bc2e9SLalit Chandivade 52894a4bc2e9SLalit Chandivade /* Update sess/conn params */ 52904a4bc2e9SLalit Chandivade qla4xxx_copy_fwddb_param(ha, fw_ddb_entry, cls_sess, cls_conn); 52914a4bc2e9SLalit Chandivade 52924a4bc2e9SLalit Chandivade if (is_reset == RESET_ADAPTER) { 52934a4bc2e9SLalit Chandivade iscsi_block_session(cls_sess); 52944a4bc2e9SLalit Chandivade /* Use the relogin path to discover new devices 52954a4bc2e9SLalit Chandivade * by short-circuting the logic of setting 52964a4bc2e9SLalit Chandivade * timer to relogin - instead set the flags 52974a4bc2e9SLalit Chandivade * to initiate login right away. 52984a4bc2e9SLalit Chandivade */ 52994a4bc2e9SLalit Chandivade set_bit(DPC_RELOGIN_DEVICE, &ha->dpc_flags); 53004a4bc2e9SLalit Chandivade set_bit(DF_RELOGIN, &ddb_entry->flags); 53014a4bc2e9SLalit Chandivade } 53024a4bc2e9SLalit Chandivade 53034a4bc2e9SLalit Chandivade exit_setup: 53044a4bc2e9SLalit Chandivade return ret; 53054a4bc2e9SLalit Chandivade } 53064a4bc2e9SLalit Chandivade 53074a4bc2e9SLalit Chandivade static void qla4xxx_build_nt_list(struct scsi_qla_host *ha, 53084a4bc2e9SLalit Chandivade struct list_head *list_nt, int is_reset) 53094a4bc2e9SLalit Chandivade { 53104a4bc2e9SLalit Chandivade struct dev_db_entry *fw_ddb_entry; 53114a4bc2e9SLalit Chandivade dma_addr_t fw_ddb_dma; 53124a4bc2e9SLalit Chandivade int max_ddbs; 53134a4bc2e9SLalit Chandivade int fw_idx_size; 53144a4bc2e9SLalit Chandivade int ret; 53154a4bc2e9SLalit Chandivade uint32_t idx = 0, next_idx = 0; 53164a4bc2e9SLalit Chandivade uint32_t state = 0, conn_err = 0; 53174a4bc2e9SLalit Chandivade uint16_t conn_id = 0; 53184a4bc2e9SLalit Chandivade struct qla_ddb_index *nt_ddb_idx; 53194a4bc2e9SLalit Chandivade 53204a4bc2e9SLalit Chandivade fw_ddb_entry = dma_pool_alloc(ha->fw_ddb_dma_pool, GFP_KERNEL, 53214a4bc2e9SLalit Chandivade &fw_ddb_dma); 53224a4bc2e9SLalit Chandivade if (fw_ddb_entry == NULL) { 53234a4bc2e9SLalit Chandivade DEBUG2(ql4_printk(KERN_ERR, ha, "Out of memory\n")); 53244a4bc2e9SLalit Chandivade goto exit_nt_list; 53254a4bc2e9SLalit Chandivade } 53264a4bc2e9SLalit Chandivade max_ddbs = is_qla40XX(ha) ? MAX_DEV_DB_ENTRIES_40XX : 53274a4bc2e9SLalit Chandivade MAX_DEV_DB_ENTRIES; 53284a4bc2e9SLalit Chandivade fw_idx_size = sizeof(struct qla_ddb_index); 53294a4bc2e9SLalit Chandivade 53304a4bc2e9SLalit Chandivade for (idx = 0; idx < max_ddbs; idx = next_idx) { 53314a4bc2e9SLalit Chandivade ret = qla4xxx_get_fwddb_entry(ha, idx, fw_ddb_entry, fw_ddb_dma, 53324a4bc2e9SLalit Chandivade NULL, &next_idx, &state, 53334a4bc2e9SLalit Chandivade &conn_err, NULL, &conn_id); 53344a4bc2e9SLalit Chandivade if (ret == QLA_ERROR) 53354a4bc2e9SLalit Chandivade break; 53364a4bc2e9SLalit Chandivade 53374a4bc2e9SLalit Chandivade if (qla4xxx_verify_boot_idx(ha, idx) != QLA_SUCCESS) 53384a4bc2e9SLalit Chandivade goto continue_next_nt; 53394a4bc2e9SLalit Chandivade 53404a4bc2e9SLalit Chandivade /* Check if NT, then add to list it */ 53414a4bc2e9SLalit Chandivade if (strlen((char *) fw_ddb_entry->iscsi_name) == 0) 53424a4bc2e9SLalit Chandivade goto continue_next_nt; 53434a4bc2e9SLalit Chandivade 53444a4bc2e9SLalit Chandivade if (!(state == DDB_DS_NO_CONNECTION_ACTIVE || 53454a4bc2e9SLalit Chandivade state == DDB_DS_SESSION_FAILED)) 53464a4bc2e9SLalit Chandivade goto continue_next_nt; 53474a4bc2e9SLalit Chandivade 53484a4bc2e9SLalit Chandivade DEBUG2(ql4_printk(KERN_INFO, ha, 53494a4bc2e9SLalit Chandivade "Adding DDB to session = 0x%x\n", idx)); 53504a4bc2e9SLalit Chandivade if (is_reset == INIT_ADAPTER) { 53514a4bc2e9SLalit Chandivade nt_ddb_idx = vmalloc(fw_idx_size); 53524a4bc2e9SLalit Chandivade if (!nt_ddb_idx) 53534a4bc2e9SLalit Chandivade break; 53544a4bc2e9SLalit Chandivade 53554a4bc2e9SLalit Chandivade nt_ddb_idx->fw_ddb_idx = idx; 53564a4bc2e9SLalit Chandivade 53571cb78d73SVikas Chaudhary /* Copy original isid as it may get updated in function 53581cb78d73SVikas Chaudhary * qla4xxx_update_isid(). We need original isid in 53591cb78d73SVikas Chaudhary * function qla4xxx_compare_tuple_ddb to find duplicate 53601cb78d73SVikas Chaudhary * target */ 53611cb78d73SVikas Chaudhary memcpy(&nt_ddb_idx->flash_isid[0], 53621cb78d73SVikas Chaudhary &fw_ddb_entry->isid[0], 53631cb78d73SVikas Chaudhary sizeof(nt_ddb_idx->flash_isid)); 53644a4bc2e9SLalit Chandivade 53651cb78d73SVikas Chaudhary ret = qla4xxx_is_flash_ddb_exists(ha, list_nt, 53661cb78d73SVikas Chaudhary fw_ddb_entry); 53671cb78d73SVikas Chaudhary if (ret == QLA_SUCCESS) { 53681cb78d73SVikas Chaudhary /* free nt_ddb_idx and do not add to list_nt */ 53694a4bc2e9SLalit Chandivade vfree(nt_ddb_idx); 53704a4bc2e9SLalit Chandivade goto continue_next_nt; 53714a4bc2e9SLalit Chandivade } 53721cb78d73SVikas Chaudhary 53731cb78d73SVikas Chaudhary /* Copy updated isid */ 53741cb78d73SVikas Chaudhary memcpy(&nt_ddb_idx->fw_ddb, fw_ddb_entry, 53751cb78d73SVikas Chaudhary sizeof(struct dev_db_entry)); 53761cb78d73SVikas Chaudhary 53774a4bc2e9SLalit Chandivade list_add_tail(&nt_ddb_idx->list, list_nt); 53784a4bc2e9SLalit Chandivade } else if (is_reset == RESET_ADAPTER) { 53794a4bc2e9SLalit Chandivade if (qla4xxx_is_session_exists(ha, fw_ddb_entry) == 53804a4bc2e9SLalit Chandivade QLA_SUCCESS) 53814a4bc2e9SLalit Chandivade goto continue_next_nt; 53824a4bc2e9SLalit Chandivade } 53834a4bc2e9SLalit Chandivade 53841dc8ed5dSManish Rangankar ret = qla4xxx_sess_conn_setup(ha, fw_ddb_entry, is_reset, idx); 53854a4bc2e9SLalit Chandivade if (ret == QLA_ERROR) 53864a4bc2e9SLalit Chandivade goto exit_nt_list; 53874a4bc2e9SLalit Chandivade 53884a4bc2e9SLalit Chandivade continue_next_nt: 53894a4bc2e9SLalit Chandivade if (next_idx == 0) 53904a4bc2e9SLalit Chandivade break; 53914a4bc2e9SLalit Chandivade } 53924a4bc2e9SLalit Chandivade 53934a4bc2e9SLalit Chandivade exit_nt_list: 53944a4bc2e9SLalit Chandivade if (fw_ddb_entry) 53954a4bc2e9SLalit Chandivade dma_pool_free(ha->fw_ddb_dma_pool, fw_ddb_entry, fw_ddb_dma); 53964a4bc2e9SLalit Chandivade } 53974a4bc2e9SLalit Chandivade 53981e9e2be3SAdheer Chandravanshi static void qla4xxx_build_new_nt_list(struct scsi_qla_host *ha, 53991e9e2be3SAdheer Chandravanshi struct list_head *list_nt) 54001e9e2be3SAdheer Chandravanshi { 54011e9e2be3SAdheer Chandravanshi struct dev_db_entry *fw_ddb_entry; 54021e9e2be3SAdheer Chandravanshi dma_addr_t fw_ddb_dma; 54031e9e2be3SAdheer Chandravanshi int max_ddbs; 54041e9e2be3SAdheer Chandravanshi int fw_idx_size; 54051e9e2be3SAdheer Chandravanshi int ret; 54061e9e2be3SAdheer Chandravanshi uint32_t idx = 0, next_idx = 0; 54071e9e2be3SAdheer Chandravanshi uint32_t state = 0, conn_err = 0; 54081e9e2be3SAdheer Chandravanshi uint16_t conn_id = 0; 54091e9e2be3SAdheer Chandravanshi struct qla_ddb_index *nt_ddb_idx; 54101e9e2be3SAdheer Chandravanshi 54111e9e2be3SAdheer Chandravanshi fw_ddb_entry = dma_pool_alloc(ha->fw_ddb_dma_pool, GFP_KERNEL, 54121e9e2be3SAdheer Chandravanshi &fw_ddb_dma); 54131e9e2be3SAdheer Chandravanshi if (fw_ddb_entry == NULL) { 54141e9e2be3SAdheer Chandravanshi DEBUG2(ql4_printk(KERN_ERR, ha, "Out of memory\n")); 54151e9e2be3SAdheer Chandravanshi goto exit_new_nt_list; 54161e9e2be3SAdheer Chandravanshi } 54171e9e2be3SAdheer Chandravanshi max_ddbs = is_qla40XX(ha) ? MAX_DEV_DB_ENTRIES_40XX : 54181e9e2be3SAdheer Chandravanshi MAX_DEV_DB_ENTRIES; 54191e9e2be3SAdheer Chandravanshi fw_idx_size = sizeof(struct qla_ddb_index); 54201e9e2be3SAdheer Chandravanshi 54211e9e2be3SAdheer Chandravanshi for (idx = 0; idx < max_ddbs; idx = next_idx) { 54221e9e2be3SAdheer Chandravanshi ret = qla4xxx_get_fwddb_entry(ha, idx, fw_ddb_entry, fw_ddb_dma, 54231e9e2be3SAdheer Chandravanshi NULL, &next_idx, &state, 54241e9e2be3SAdheer Chandravanshi &conn_err, NULL, &conn_id); 54251e9e2be3SAdheer Chandravanshi if (ret == QLA_ERROR) 54261e9e2be3SAdheer Chandravanshi break; 54271e9e2be3SAdheer Chandravanshi 54281e9e2be3SAdheer Chandravanshi /* Check if NT, then add it to list */ 54291e9e2be3SAdheer Chandravanshi if (strlen((char *)fw_ddb_entry->iscsi_name) == 0) 54301e9e2be3SAdheer Chandravanshi goto continue_next_new_nt; 54311e9e2be3SAdheer Chandravanshi 54321e9e2be3SAdheer Chandravanshi if (!(state == DDB_DS_NO_CONNECTION_ACTIVE)) 54331e9e2be3SAdheer Chandravanshi goto continue_next_new_nt; 54341e9e2be3SAdheer Chandravanshi 54351e9e2be3SAdheer Chandravanshi DEBUG2(ql4_printk(KERN_INFO, ha, 54361e9e2be3SAdheer Chandravanshi "Adding DDB to session = 0x%x\n", idx)); 54371e9e2be3SAdheer Chandravanshi 54381e9e2be3SAdheer Chandravanshi nt_ddb_idx = vmalloc(fw_idx_size); 54391e9e2be3SAdheer Chandravanshi if (!nt_ddb_idx) 54401e9e2be3SAdheer Chandravanshi break; 54411e9e2be3SAdheer Chandravanshi 54421e9e2be3SAdheer Chandravanshi nt_ddb_idx->fw_ddb_idx = idx; 54431e9e2be3SAdheer Chandravanshi 54441e9e2be3SAdheer Chandravanshi ret = qla4xxx_is_session_exists(ha, fw_ddb_entry); 54451e9e2be3SAdheer Chandravanshi if (ret == QLA_SUCCESS) { 54461e9e2be3SAdheer Chandravanshi /* free nt_ddb_idx and do not add to list_nt */ 54471e9e2be3SAdheer Chandravanshi vfree(nt_ddb_idx); 54481e9e2be3SAdheer Chandravanshi goto continue_next_new_nt; 54491e9e2be3SAdheer Chandravanshi } 54501e9e2be3SAdheer Chandravanshi 54511e9e2be3SAdheer Chandravanshi list_add_tail(&nt_ddb_idx->list, list_nt); 54521e9e2be3SAdheer Chandravanshi 54531e9e2be3SAdheer Chandravanshi ret = qla4xxx_sess_conn_setup(ha, fw_ddb_entry, RESET_ADAPTER, 54541e9e2be3SAdheer Chandravanshi idx); 54551e9e2be3SAdheer Chandravanshi if (ret == QLA_ERROR) 54561e9e2be3SAdheer Chandravanshi goto exit_new_nt_list; 54571e9e2be3SAdheer Chandravanshi 54581e9e2be3SAdheer Chandravanshi continue_next_new_nt: 54591e9e2be3SAdheer Chandravanshi if (next_idx == 0) 54601e9e2be3SAdheer Chandravanshi break; 54611e9e2be3SAdheer Chandravanshi } 54621e9e2be3SAdheer Chandravanshi 54631e9e2be3SAdheer Chandravanshi exit_new_nt_list: 54641e9e2be3SAdheer Chandravanshi if (fw_ddb_entry) 54651e9e2be3SAdheer Chandravanshi dma_pool_free(ha->fw_ddb_dma_pool, fw_ddb_entry, fw_ddb_dma); 54661e9e2be3SAdheer Chandravanshi } 54671e9e2be3SAdheer Chandravanshi 54681e9e2be3SAdheer Chandravanshi /** 54691e9e2be3SAdheer Chandravanshi * qla4xxx_sysfs_ddb_is_non_persistent - check for non-persistence of ddb entry 54701e9e2be3SAdheer Chandravanshi * @dev: dev associated with the sysfs entry 54711e9e2be3SAdheer Chandravanshi * @data: pointer to flashnode session object 54721e9e2be3SAdheer Chandravanshi * 54731e9e2be3SAdheer Chandravanshi * Returns: 54741e9e2be3SAdheer Chandravanshi * 1: if flashnode entry is non-persistent 54751e9e2be3SAdheer Chandravanshi * 0: if flashnode entry is persistent 54761e9e2be3SAdheer Chandravanshi **/ 54771e9e2be3SAdheer Chandravanshi static int qla4xxx_sysfs_ddb_is_non_persistent(struct device *dev, void *data) 54781e9e2be3SAdheer Chandravanshi { 54791e9e2be3SAdheer Chandravanshi struct iscsi_bus_flash_session *fnode_sess; 54801e9e2be3SAdheer Chandravanshi 54811e9e2be3SAdheer Chandravanshi if (!iscsi_flashnode_bus_match(dev, NULL)) 54821e9e2be3SAdheer Chandravanshi return 0; 54831e9e2be3SAdheer Chandravanshi 54841e9e2be3SAdheer Chandravanshi fnode_sess = iscsi_dev_to_flash_session(dev); 54851e9e2be3SAdheer Chandravanshi 54861e9e2be3SAdheer Chandravanshi return (fnode_sess->flash_state == DEV_DB_NON_PERSISTENT); 54871e9e2be3SAdheer Chandravanshi } 54881e9e2be3SAdheer Chandravanshi 54891e9e2be3SAdheer Chandravanshi /** 54901e9e2be3SAdheer Chandravanshi * qla4xxx_sysfs_ddb_tgt_create - Create sysfs entry for target 54911e9e2be3SAdheer Chandravanshi * @ha: pointer to host 54921e9e2be3SAdheer Chandravanshi * @fw_ddb_entry: flash ddb data 54931e9e2be3SAdheer Chandravanshi * @idx: target index 54941e9e2be3SAdheer Chandravanshi * @user: if set then this call is made from userland else from kernel 54951e9e2be3SAdheer Chandravanshi * 54961e9e2be3SAdheer Chandravanshi * Returns: 54971e9e2be3SAdheer Chandravanshi * On sucess: QLA_SUCCESS 54981e9e2be3SAdheer Chandravanshi * On failure: QLA_ERROR 54991e9e2be3SAdheer Chandravanshi * 55001e9e2be3SAdheer Chandravanshi * This create separate sysfs entries for session and connection attributes of 55011e9e2be3SAdheer Chandravanshi * the given fw ddb entry. 55021e9e2be3SAdheer Chandravanshi * If this is invoked as a result of a userspace call then the entry is marked 55031e9e2be3SAdheer Chandravanshi * as nonpersistent using flash_state field. 55041e9e2be3SAdheer Chandravanshi **/ 55051e9e2be3SAdheer Chandravanshi int qla4xxx_sysfs_ddb_tgt_create(struct scsi_qla_host *ha, 55061e9e2be3SAdheer Chandravanshi struct dev_db_entry *fw_ddb_entry, 55071e9e2be3SAdheer Chandravanshi uint16_t *idx, int user) 55081e9e2be3SAdheer Chandravanshi { 55091e9e2be3SAdheer Chandravanshi struct iscsi_bus_flash_session *fnode_sess = NULL; 55101e9e2be3SAdheer Chandravanshi struct iscsi_bus_flash_conn *fnode_conn = NULL; 55111e9e2be3SAdheer Chandravanshi int rc = QLA_ERROR; 55121e9e2be3SAdheer Chandravanshi 55131e9e2be3SAdheer Chandravanshi fnode_sess = iscsi_create_flashnode_sess(ha->host, *idx, 55141e9e2be3SAdheer Chandravanshi &qla4xxx_iscsi_transport, 0); 55151e9e2be3SAdheer Chandravanshi if (!fnode_sess) { 55161e9e2be3SAdheer Chandravanshi ql4_printk(KERN_ERR, ha, 55171e9e2be3SAdheer Chandravanshi "%s: Unable to create session sysfs entry for flashnode %d of host%lu\n", 55181e9e2be3SAdheer Chandravanshi __func__, *idx, ha->host_no); 55191e9e2be3SAdheer Chandravanshi goto exit_tgt_create; 55201e9e2be3SAdheer Chandravanshi } 55211e9e2be3SAdheer Chandravanshi 55221e9e2be3SAdheer Chandravanshi fnode_conn = iscsi_create_flashnode_conn(ha->host, fnode_sess, 55231e9e2be3SAdheer Chandravanshi &qla4xxx_iscsi_transport, 0); 55241e9e2be3SAdheer Chandravanshi if (!fnode_conn) { 55251e9e2be3SAdheer Chandravanshi ql4_printk(KERN_ERR, ha, 55261e9e2be3SAdheer Chandravanshi "%s: Unable to create conn sysfs entry for flashnode %d of host%lu\n", 55271e9e2be3SAdheer Chandravanshi __func__, *idx, ha->host_no); 55281e9e2be3SAdheer Chandravanshi goto free_sess; 55291e9e2be3SAdheer Chandravanshi } 55301e9e2be3SAdheer Chandravanshi 55311e9e2be3SAdheer Chandravanshi if (user) { 55321e9e2be3SAdheer Chandravanshi fnode_sess->flash_state = DEV_DB_NON_PERSISTENT; 55331e9e2be3SAdheer Chandravanshi } else { 55341e9e2be3SAdheer Chandravanshi fnode_sess->flash_state = DEV_DB_PERSISTENT; 55351e9e2be3SAdheer Chandravanshi 55361e9e2be3SAdheer Chandravanshi if (*idx == ha->pri_ddb_idx || *idx == ha->sec_ddb_idx) 55371e9e2be3SAdheer Chandravanshi fnode_sess->is_boot_target = 1; 55381e9e2be3SAdheer Chandravanshi else 55391e9e2be3SAdheer Chandravanshi fnode_sess->is_boot_target = 0; 55401e9e2be3SAdheer Chandravanshi } 55411e9e2be3SAdheer Chandravanshi 55421e9e2be3SAdheer Chandravanshi rc = qla4xxx_copy_from_fwddb_param(fnode_sess, fnode_conn, 55431e9e2be3SAdheer Chandravanshi fw_ddb_entry); 55441e9e2be3SAdheer Chandravanshi 55451e9e2be3SAdheer Chandravanshi ql4_printk(KERN_INFO, ha, "%s: sysfs entry %s created\n", 55461e9e2be3SAdheer Chandravanshi __func__, fnode_sess->dev.kobj.name); 55471e9e2be3SAdheer Chandravanshi 55481e9e2be3SAdheer Chandravanshi ql4_printk(KERN_INFO, ha, "%s: sysfs entry %s created\n", 55491e9e2be3SAdheer Chandravanshi __func__, fnode_conn->dev.kobj.name); 55501e9e2be3SAdheer Chandravanshi 55511e9e2be3SAdheer Chandravanshi return QLA_SUCCESS; 55521e9e2be3SAdheer Chandravanshi 55531e9e2be3SAdheer Chandravanshi free_sess: 55541e9e2be3SAdheer Chandravanshi iscsi_destroy_flashnode_sess(fnode_sess); 55551e9e2be3SAdheer Chandravanshi 55561e9e2be3SAdheer Chandravanshi exit_tgt_create: 55571e9e2be3SAdheer Chandravanshi return QLA_ERROR; 55581e9e2be3SAdheer Chandravanshi } 55591e9e2be3SAdheer Chandravanshi 55601e9e2be3SAdheer Chandravanshi /** 55611e9e2be3SAdheer Chandravanshi * qla4xxx_sysfs_ddb_add - Add new ddb entry in flash 55621e9e2be3SAdheer Chandravanshi * @shost: pointer to host 55631e9e2be3SAdheer Chandravanshi * @buf: type of ddb entry (ipv4/ipv6) 55641e9e2be3SAdheer Chandravanshi * @len: length of buf 55651e9e2be3SAdheer Chandravanshi * 55661e9e2be3SAdheer Chandravanshi * This creates new ddb entry in the flash by finding first free index and 55671e9e2be3SAdheer Chandravanshi * storing default ddb there. And then create sysfs entry for the new ddb entry. 55681e9e2be3SAdheer Chandravanshi **/ 55691e9e2be3SAdheer Chandravanshi static int qla4xxx_sysfs_ddb_add(struct Scsi_Host *shost, const char *buf, 55701e9e2be3SAdheer Chandravanshi int len) 55711e9e2be3SAdheer Chandravanshi { 55721e9e2be3SAdheer Chandravanshi struct scsi_qla_host *ha = to_qla_host(shost); 55731e9e2be3SAdheer Chandravanshi struct dev_db_entry *fw_ddb_entry = NULL; 55741e9e2be3SAdheer Chandravanshi dma_addr_t fw_ddb_entry_dma; 55751e9e2be3SAdheer Chandravanshi struct device *dev; 55761e9e2be3SAdheer Chandravanshi uint16_t idx = 0; 55771e9e2be3SAdheer Chandravanshi uint16_t max_ddbs = 0; 55781e9e2be3SAdheer Chandravanshi uint32_t options = 0; 55791e9e2be3SAdheer Chandravanshi uint32_t rval = QLA_ERROR; 55801e9e2be3SAdheer Chandravanshi 55811e9e2be3SAdheer Chandravanshi if (strncasecmp(DEV_TYPE_IPV4, buf, 4) && 55821e9e2be3SAdheer Chandravanshi strncasecmp(DEV_TYPE_IPV6, buf, 4)) { 55831e9e2be3SAdheer Chandravanshi DEBUG2(ql4_printk(KERN_ERR, ha, "%s: Invalid portal type\n", 55841e9e2be3SAdheer Chandravanshi __func__)); 55851e9e2be3SAdheer Chandravanshi goto exit_ddb_add; 55861e9e2be3SAdheer Chandravanshi } 55871e9e2be3SAdheer Chandravanshi 55881e9e2be3SAdheer Chandravanshi max_ddbs = is_qla40XX(ha) ? MAX_DEV_DB_ENTRIES_40XX : 55891e9e2be3SAdheer Chandravanshi MAX_DEV_DB_ENTRIES; 55901e9e2be3SAdheer Chandravanshi 55911e9e2be3SAdheer Chandravanshi fw_ddb_entry = dma_alloc_coherent(&ha->pdev->dev, sizeof(*fw_ddb_entry), 55921e9e2be3SAdheer Chandravanshi &fw_ddb_entry_dma, GFP_KERNEL); 55931e9e2be3SAdheer Chandravanshi if (!fw_ddb_entry) { 55941e9e2be3SAdheer Chandravanshi DEBUG2(ql4_printk(KERN_ERR, ha, 55951e9e2be3SAdheer Chandravanshi "%s: Unable to allocate dma buffer\n", 55961e9e2be3SAdheer Chandravanshi __func__)); 55971e9e2be3SAdheer Chandravanshi goto exit_ddb_add; 55981e9e2be3SAdheer Chandravanshi } 55991e9e2be3SAdheer Chandravanshi 56001e9e2be3SAdheer Chandravanshi dev = iscsi_find_flashnode_sess(ha->host, NULL, 56011e9e2be3SAdheer Chandravanshi qla4xxx_sysfs_ddb_is_non_persistent); 56021e9e2be3SAdheer Chandravanshi if (dev) { 56031e9e2be3SAdheer Chandravanshi ql4_printk(KERN_ERR, ha, 56041e9e2be3SAdheer Chandravanshi "%s: A non-persistent entry %s found\n", 56051e9e2be3SAdheer Chandravanshi __func__, dev->kobj.name); 56061e9e2be3SAdheer Chandravanshi goto exit_ddb_add; 56071e9e2be3SAdheer Chandravanshi } 56081e9e2be3SAdheer Chandravanshi 56091e9e2be3SAdheer Chandravanshi for (idx = 0; idx < max_ddbs; idx++) { 56101e9e2be3SAdheer Chandravanshi if (qla4xxx_flashdb_by_index(ha, fw_ddb_entry, 56111e9e2be3SAdheer Chandravanshi fw_ddb_entry_dma, idx)) 56121e9e2be3SAdheer Chandravanshi break; 56131e9e2be3SAdheer Chandravanshi } 56141e9e2be3SAdheer Chandravanshi 56151e9e2be3SAdheer Chandravanshi if (idx == max_ddbs) 56161e9e2be3SAdheer Chandravanshi goto exit_ddb_add; 56171e9e2be3SAdheer Chandravanshi 56181e9e2be3SAdheer Chandravanshi if (!strncasecmp("ipv6", buf, 4)) 56191e9e2be3SAdheer Chandravanshi options |= IPV6_DEFAULT_DDB_ENTRY; 56201e9e2be3SAdheer Chandravanshi 56211e9e2be3SAdheer Chandravanshi rval = qla4xxx_get_default_ddb(ha, options, fw_ddb_entry_dma); 56221e9e2be3SAdheer Chandravanshi if (rval == QLA_ERROR) 56231e9e2be3SAdheer Chandravanshi goto exit_ddb_add; 56241e9e2be3SAdheer Chandravanshi 56251e9e2be3SAdheer Chandravanshi rval = qla4xxx_sysfs_ddb_tgt_create(ha, fw_ddb_entry, &idx, 1); 56261e9e2be3SAdheer Chandravanshi 56271e9e2be3SAdheer Chandravanshi exit_ddb_add: 56281e9e2be3SAdheer Chandravanshi if (fw_ddb_entry) 56291e9e2be3SAdheer Chandravanshi dma_free_coherent(&ha->pdev->dev, sizeof(*fw_ddb_entry), 56301e9e2be3SAdheer Chandravanshi fw_ddb_entry, fw_ddb_entry_dma); 56311e9e2be3SAdheer Chandravanshi if (rval == QLA_SUCCESS) 56321e9e2be3SAdheer Chandravanshi return idx; 56331e9e2be3SAdheer Chandravanshi else 56341e9e2be3SAdheer Chandravanshi return -EIO; 56351e9e2be3SAdheer Chandravanshi } 56361e9e2be3SAdheer Chandravanshi 56371e9e2be3SAdheer Chandravanshi /** 56381e9e2be3SAdheer Chandravanshi * qla4xxx_sysfs_ddb_apply - write the target ddb contents to Flash 56391e9e2be3SAdheer Chandravanshi * @fnode_sess: pointer to session attrs of flash ddb entry 56401e9e2be3SAdheer Chandravanshi * @fnode_conn: pointer to connection attrs of flash ddb entry 56411e9e2be3SAdheer Chandravanshi * 56421e9e2be3SAdheer Chandravanshi * This writes the contents of target ddb buffer to Flash with a valid cookie 56431e9e2be3SAdheer Chandravanshi * value in order to make the ddb entry persistent. 56441e9e2be3SAdheer Chandravanshi **/ 56451e9e2be3SAdheer Chandravanshi static int qla4xxx_sysfs_ddb_apply(struct iscsi_bus_flash_session *fnode_sess, 56461e9e2be3SAdheer Chandravanshi struct iscsi_bus_flash_conn *fnode_conn) 56471e9e2be3SAdheer Chandravanshi { 56481e9e2be3SAdheer Chandravanshi struct Scsi_Host *shost = iscsi_flash_session_to_shost(fnode_sess); 56491e9e2be3SAdheer Chandravanshi struct scsi_qla_host *ha = to_qla_host(shost); 56501e9e2be3SAdheer Chandravanshi uint32_t dev_db_start_offset = FLASH_OFFSET_DB_INFO; 56511e9e2be3SAdheer Chandravanshi struct dev_db_entry *fw_ddb_entry = NULL; 56521e9e2be3SAdheer Chandravanshi dma_addr_t fw_ddb_entry_dma; 56531e9e2be3SAdheer Chandravanshi uint32_t options = 0; 56541e9e2be3SAdheer Chandravanshi int rval = 0; 56551e9e2be3SAdheer Chandravanshi 56561e9e2be3SAdheer Chandravanshi fw_ddb_entry = dma_alloc_coherent(&ha->pdev->dev, sizeof(*fw_ddb_entry), 56571e9e2be3SAdheer Chandravanshi &fw_ddb_entry_dma, GFP_KERNEL); 56581e9e2be3SAdheer Chandravanshi if (!fw_ddb_entry) { 56591e9e2be3SAdheer Chandravanshi DEBUG2(ql4_printk(KERN_ERR, ha, 56601e9e2be3SAdheer Chandravanshi "%s: Unable to allocate dma buffer\n", 56611e9e2be3SAdheer Chandravanshi __func__)); 56621e9e2be3SAdheer Chandravanshi rval = -ENOMEM; 56631e9e2be3SAdheer Chandravanshi goto exit_ddb_apply; 56641e9e2be3SAdheer Chandravanshi } 56651e9e2be3SAdheer Chandravanshi 56661e9e2be3SAdheer Chandravanshi if (!strncasecmp(fnode_sess->portal_type, DEV_TYPE_IPV6, 4)) 56671e9e2be3SAdheer Chandravanshi options |= IPV6_DEFAULT_DDB_ENTRY; 56681e9e2be3SAdheer Chandravanshi 56691e9e2be3SAdheer Chandravanshi rval = qla4xxx_get_default_ddb(ha, options, fw_ddb_entry_dma); 56701e9e2be3SAdheer Chandravanshi if (rval == QLA_ERROR) 56711e9e2be3SAdheer Chandravanshi goto exit_ddb_apply; 56721e9e2be3SAdheer Chandravanshi 56731e9e2be3SAdheer Chandravanshi dev_db_start_offset += (fnode_sess->target_id * 56741e9e2be3SAdheer Chandravanshi sizeof(*fw_ddb_entry)); 56751e9e2be3SAdheer Chandravanshi 56761e9e2be3SAdheer Chandravanshi qla4xxx_copy_to_fwddb_param(fnode_sess, fnode_conn, fw_ddb_entry); 56771e9e2be3SAdheer Chandravanshi fw_ddb_entry->cookie = DDB_VALID_COOKIE; 56781e9e2be3SAdheer Chandravanshi 56791e9e2be3SAdheer Chandravanshi rval = qla4xxx_set_flash(ha, fw_ddb_entry_dma, dev_db_start_offset, 56801e9e2be3SAdheer Chandravanshi sizeof(*fw_ddb_entry), FLASH_OPT_RMW_COMMIT); 56811e9e2be3SAdheer Chandravanshi 56821e9e2be3SAdheer Chandravanshi if (rval == QLA_SUCCESS) { 56831e9e2be3SAdheer Chandravanshi fnode_sess->flash_state = DEV_DB_PERSISTENT; 56841e9e2be3SAdheer Chandravanshi ql4_printk(KERN_INFO, ha, 56851e9e2be3SAdheer Chandravanshi "%s: flash node %u of host %lu written to flash\n", 56861e9e2be3SAdheer Chandravanshi __func__, fnode_sess->target_id, ha->host_no); 56871e9e2be3SAdheer Chandravanshi } else { 56881e9e2be3SAdheer Chandravanshi rval = -EIO; 56891e9e2be3SAdheer Chandravanshi ql4_printk(KERN_ERR, ha, 56901e9e2be3SAdheer Chandravanshi "%s: Error while writing flash node %u of host %lu to flash\n", 56911e9e2be3SAdheer Chandravanshi __func__, fnode_sess->target_id, ha->host_no); 56921e9e2be3SAdheer Chandravanshi } 56931e9e2be3SAdheer Chandravanshi 56941e9e2be3SAdheer Chandravanshi exit_ddb_apply: 56951e9e2be3SAdheer Chandravanshi if (fw_ddb_entry) 56961e9e2be3SAdheer Chandravanshi dma_free_coherent(&ha->pdev->dev, sizeof(*fw_ddb_entry), 56971e9e2be3SAdheer Chandravanshi fw_ddb_entry, fw_ddb_entry_dma); 56981e9e2be3SAdheer Chandravanshi return rval; 56991e9e2be3SAdheer Chandravanshi } 57001e9e2be3SAdheer Chandravanshi 57011e9e2be3SAdheer Chandravanshi static ssize_t qla4xxx_sysfs_ddb_conn_open(struct scsi_qla_host *ha, 57021e9e2be3SAdheer Chandravanshi struct dev_db_entry *fw_ddb_entry, 57031e9e2be3SAdheer Chandravanshi uint16_t idx) 57041e9e2be3SAdheer Chandravanshi { 57051e9e2be3SAdheer Chandravanshi struct dev_db_entry *ddb_entry = NULL; 57061e9e2be3SAdheer Chandravanshi dma_addr_t ddb_entry_dma; 57071e9e2be3SAdheer Chandravanshi unsigned long wtime; 57081e9e2be3SAdheer Chandravanshi uint32_t mbx_sts = 0; 57091e9e2be3SAdheer Chandravanshi uint32_t state = 0, conn_err = 0; 57101e9e2be3SAdheer Chandravanshi uint16_t tmo = 0; 57111e9e2be3SAdheer Chandravanshi int ret = 0; 57121e9e2be3SAdheer Chandravanshi 57131e9e2be3SAdheer Chandravanshi ddb_entry = dma_alloc_coherent(&ha->pdev->dev, sizeof(*ddb_entry), 57141e9e2be3SAdheer Chandravanshi &ddb_entry_dma, GFP_KERNEL); 57151e9e2be3SAdheer Chandravanshi if (!ddb_entry) { 57161e9e2be3SAdheer Chandravanshi DEBUG2(ql4_printk(KERN_ERR, ha, 57171e9e2be3SAdheer Chandravanshi "%s: Unable to allocate dma buffer\n", 57181e9e2be3SAdheer Chandravanshi __func__)); 57191e9e2be3SAdheer Chandravanshi return QLA_ERROR; 57201e9e2be3SAdheer Chandravanshi } 57211e9e2be3SAdheer Chandravanshi 57221e9e2be3SAdheer Chandravanshi memcpy(ddb_entry, fw_ddb_entry, sizeof(*ddb_entry)); 57231e9e2be3SAdheer Chandravanshi 57241e9e2be3SAdheer Chandravanshi ret = qla4xxx_set_ddb_entry(ha, idx, ddb_entry_dma, &mbx_sts); 57251e9e2be3SAdheer Chandravanshi if (ret != QLA_SUCCESS) { 57261e9e2be3SAdheer Chandravanshi DEBUG2(ql4_printk(KERN_ERR, ha, 57271e9e2be3SAdheer Chandravanshi "%s: Unable to set ddb entry for index %d\n", 57281e9e2be3SAdheer Chandravanshi __func__, idx)); 57291e9e2be3SAdheer Chandravanshi goto exit_ddb_conn_open; 57301e9e2be3SAdheer Chandravanshi } 57311e9e2be3SAdheer Chandravanshi 57321e9e2be3SAdheer Chandravanshi qla4xxx_conn_open(ha, idx); 57331e9e2be3SAdheer Chandravanshi 57341e9e2be3SAdheer Chandravanshi /* To ensure that sendtargets is done, wait for at least 12 secs */ 57351e9e2be3SAdheer Chandravanshi tmo = ((ha->def_timeout > LOGIN_TOV) && 57361e9e2be3SAdheer Chandravanshi (ha->def_timeout < LOGIN_TOV * 10) ? 57371e9e2be3SAdheer Chandravanshi ha->def_timeout : LOGIN_TOV); 57381e9e2be3SAdheer Chandravanshi 57391e9e2be3SAdheer Chandravanshi DEBUG2(ql4_printk(KERN_INFO, ha, 57401e9e2be3SAdheer Chandravanshi "Default time to wait for login to ddb %d\n", tmo)); 57411e9e2be3SAdheer Chandravanshi 57421e9e2be3SAdheer Chandravanshi wtime = jiffies + (HZ * tmo); 57431e9e2be3SAdheer Chandravanshi do { 57441e9e2be3SAdheer Chandravanshi ret = qla4xxx_get_fwddb_entry(ha, idx, NULL, 0, NULL, 57451e9e2be3SAdheer Chandravanshi NULL, &state, &conn_err, NULL, 57461e9e2be3SAdheer Chandravanshi NULL); 57471e9e2be3SAdheer Chandravanshi if (ret == QLA_ERROR) 57481e9e2be3SAdheer Chandravanshi continue; 57491e9e2be3SAdheer Chandravanshi 57501e9e2be3SAdheer Chandravanshi if (state == DDB_DS_NO_CONNECTION_ACTIVE || 57511e9e2be3SAdheer Chandravanshi state == DDB_DS_SESSION_FAILED) 57521e9e2be3SAdheer Chandravanshi break; 57531e9e2be3SAdheer Chandravanshi 57541e9e2be3SAdheer Chandravanshi schedule_timeout_uninterruptible(HZ / 10); 57551e9e2be3SAdheer Chandravanshi } while (time_after(wtime, jiffies)); 57561e9e2be3SAdheer Chandravanshi 57571e9e2be3SAdheer Chandravanshi exit_ddb_conn_open: 57581e9e2be3SAdheer Chandravanshi if (ddb_entry) 57591e9e2be3SAdheer Chandravanshi dma_free_coherent(&ha->pdev->dev, sizeof(*ddb_entry), 57601e9e2be3SAdheer Chandravanshi ddb_entry, ddb_entry_dma); 57611e9e2be3SAdheer Chandravanshi return ret; 57621e9e2be3SAdheer Chandravanshi } 57631e9e2be3SAdheer Chandravanshi 57641e9e2be3SAdheer Chandravanshi static int qla4xxx_ddb_login_st(struct scsi_qla_host *ha, 57651e9e2be3SAdheer Chandravanshi struct dev_db_entry *fw_ddb_entry) 57661e9e2be3SAdheer Chandravanshi { 57671e9e2be3SAdheer Chandravanshi struct qla_ddb_index *ddb_idx, *ddb_idx_tmp; 57681e9e2be3SAdheer Chandravanshi struct list_head list_nt; 57691e9e2be3SAdheer Chandravanshi uint16_t ddb_index; 57701e9e2be3SAdheer Chandravanshi int ret = 0; 57711e9e2be3SAdheer Chandravanshi 57721e9e2be3SAdheer Chandravanshi if (test_bit(AF_ST_DISCOVERY_IN_PROGRESS, &ha->flags)) { 57731e9e2be3SAdheer Chandravanshi ql4_printk(KERN_WARNING, ha, 57741e9e2be3SAdheer Chandravanshi "%s: A discovery already in progress!\n", __func__); 57751e9e2be3SAdheer Chandravanshi return QLA_ERROR; 57761e9e2be3SAdheer Chandravanshi } 57771e9e2be3SAdheer Chandravanshi 57781e9e2be3SAdheer Chandravanshi INIT_LIST_HEAD(&list_nt); 57791e9e2be3SAdheer Chandravanshi 57801e9e2be3SAdheer Chandravanshi set_bit(AF_ST_DISCOVERY_IN_PROGRESS, &ha->flags); 57811e9e2be3SAdheer Chandravanshi 57821e9e2be3SAdheer Chandravanshi ret = qla4xxx_get_ddb_index(ha, &ddb_index); 57831e9e2be3SAdheer Chandravanshi if (ret == QLA_ERROR) 57841e9e2be3SAdheer Chandravanshi goto exit_login_st_clr_bit; 57851e9e2be3SAdheer Chandravanshi 57861e9e2be3SAdheer Chandravanshi ret = qla4xxx_sysfs_ddb_conn_open(ha, fw_ddb_entry, ddb_index); 57871e9e2be3SAdheer Chandravanshi if (ret == QLA_ERROR) 57881e9e2be3SAdheer Chandravanshi goto exit_login_st; 57891e9e2be3SAdheer Chandravanshi 57901e9e2be3SAdheer Chandravanshi qla4xxx_build_new_nt_list(ha, &list_nt); 57911e9e2be3SAdheer Chandravanshi 57921e9e2be3SAdheer Chandravanshi list_for_each_entry_safe(ddb_idx, ddb_idx_tmp, &list_nt, list) { 57931e9e2be3SAdheer Chandravanshi list_del_init(&ddb_idx->list); 57941e9e2be3SAdheer Chandravanshi qla4xxx_clear_ddb_entry(ha, ddb_idx->fw_ddb_idx); 57951e9e2be3SAdheer Chandravanshi vfree(ddb_idx); 57961e9e2be3SAdheer Chandravanshi } 57971e9e2be3SAdheer Chandravanshi 57981e9e2be3SAdheer Chandravanshi exit_login_st: 57991e9e2be3SAdheer Chandravanshi if (qla4xxx_clear_ddb_entry(ha, ddb_index) == QLA_ERROR) { 58001e9e2be3SAdheer Chandravanshi ql4_printk(KERN_ERR, ha, 58011e9e2be3SAdheer Chandravanshi "Unable to clear DDB index = 0x%x\n", ddb_index); 58021e9e2be3SAdheer Chandravanshi } 58031e9e2be3SAdheer Chandravanshi 58041e9e2be3SAdheer Chandravanshi clear_bit(ddb_index, ha->ddb_idx_map); 58051e9e2be3SAdheer Chandravanshi 58061e9e2be3SAdheer Chandravanshi exit_login_st_clr_bit: 58071e9e2be3SAdheer Chandravanshi clear_bit(AF_ST_DISCOVERY_IN_PROGRESS, &ha->flags); 58081e9e2be3SAdheer Chandravanshi return ret; 58091e9e2be3SAdheer Chandravanshi } 58101e9e2be3SAdheer Chandravanshi 58111e9e2be3SAdheer Chandravanshi static int qla4xxx_ddb_login_nt(struct scsi_qla_host *ha, 58121e9e2be3SAdheer Chandravanshi struct dev_db_entry *fw_ddb_entry, 58131e9e2be3SAdheer Chandravanshi uint16_t idx) 58141e9e2be3SAdheer Chandravanshi { 58151e9e2be3SAdheer Chandravanshi int ret = QLA_ERROR; 58161e9e2be3SAdheer Chandravanshi 58171e9e2be3SAdheer Chandravanshi ret = qla4xxx_is_session_exists(ha, fw_ddb_entry); 58181e9e2be3SAdheer Chandravanshi if (ret != QLA_SUCCESS) 58191e9e2be3SAdheer Chandravanshi ret = qla4xxx_sess_conn_setup(ha, fw_ddb_entry, RESET_ADAPTER, 58201e9e2be3SAdheer Chandravanshi idx); 58211e9e2be3SAdheer Chandravanshi else 58221e9e2be3SAdheer Chandravanshi ret = -EPERM; 58231e9e2be3SAdheer Chandravanshi 58241e9e2be3SAdheer Chandravanshi return ret; 58251e9e2be3SAdheer Chandravanshi } 58261e9e2be3SAdheer Chandravanshi 58271e9e2be3SAdheer Chandravanshi /** 58281e9e2be3SAdheer Chandravanshi * qla4xxx_sysfs_ddb_login - Login to the specified target 58291e9e2be3SAdheer Chandravanshi * @fnode_sess: pointer to session attrs of flash ddb entry 58301e9e2be3SAdheer Chandravanshi * @fnode_conn: pointer to connection attrs of flash ddb entry 58311e9e2be3SAdheer Chandravanshi * 58321e9e2be3SAdheer Chandravanshi * This logs in to the specified target 58331e9e2be3SAdheer Chandravanshi **/ 58341e9e2be3SAdheer Chandravanshi static int qla4xxx_sysfs_ddb_login(struct iscsi_bus_flash_session *fnode_sess, 58351e9e2be3SAdheer Chandravanshi struct iscsi_bus_flash_conn *fnode_conn) 58361e9e2be3SAdheer Chandravanshi { 58371e9e2be3SAdheer Chandravanshi struct Scsi_Host *shost = iscsi_flash_session_to_shost(fnode_sess); 58381e9e2be3SAdheer Chandravanshi struct scsi_qla_host *ha = to_qla_host(shost); 58391e9e2be3SAdheer Chandravanshi struct dev_db_entry *fw_ddb_entry = NULL; 58401e9e2be3SAdheer Chandravanshi dma_addr_t fw_ddb_entry_dma; 58411e9e2be3SAdheer Chandravanshi uint32_t options = 0; 58421e9e2be3SAdheer Chandravanshi int ret = 0; 58431e9e2be3SAdheer Chandravanshi 58441e9e2be3SAdheer Chandravanshi if (fnode_sess->flash_state == DEV_DB_NON_PERSISTENT) { 58451e9e2be3SAdheer Chandravanshi ql4_printk(KERN_ERR, ha, 58461e9e2be3SAdheer Chandravanshi "%s: Target info is not persistent\n", __func__); 58471e9e2be3SAdheer Chandravanshi ret = -EIO; 58481e9e2be3SAdheer Chandravanshi goto exit_ddb_login; 58491e9e2be3SAdheer Chandravanshi } 58501e9e2be3SAdheer Chandravanshi 58511e9e2be3SAdheer Chandravanshi fw_ddb_entry = dma_alloc_coherent(&ha->pdev->dev, sizeof(*fw_ddb_entry), 58521e9e2be3SAdheer Chandravanshi &fw_ddb_entry_dma, GFP_KERNEL); 58531e9e2be3SAdheer Chandravanshi if (!fw_ddb_entry) { 58541e9e2be3SAdheer Chandravanshi DEBUG2(ql4_printk(KERN_ERR, ha, 58551e9e2be3SAdheer Chandravanshi "%s: Unable to allocate dma buffer\n", 58561e9e2be3SAdheer Chandravanshi __func__)); 58571e9e2be3SAdheer Chandravanshi ret = -ENOMEM; 58581e9e2be3SAdheer Chandravanshi goto exit_ddb_login; 58591e9e2be3SAdheer Chandravanshi } 58601e9e2be3SAdheer Chandravanshi 58611e9e2be3SAdheer Chandravanshi if (!strncasecmp(fnode_sess->portal_type, DEV_TYPE_IPV6, 4)) 58621e9e2be3SAdheer Chandravanshi options |= IPV6_DEFAULT_DDB_ENTRY; 58631e9e2be3SAdheer Chandravanshi 58641e9e2be3SAdheer Chandravanshi ret = qla4xxx_get_default_ddb(ha, options, fw_ddb_entry_dma); 58651e9e2be3SAdheer Chandravanshi if (ret == QLA_ERROR) 58661e9e2be3SAdheer Chandravanshi goto exit_ddb_login; 58671e9e2be3SAdheer Chandravanshi 58681e9e2be3SAdheer Chandravanshi qla4xxx_copy_to_fwddb_param(fnode_sess, fnode_conn, fw_ddb_entry); 58691e9e2be3SAdheer Chandravanshi fw_ddb_entry->cookie = DDB_VALID_COOKIE; 58701e9e2be3SAdheer Chandravanshi 58711e9e2be3SAdheer Chandravanshi if (strlen((char *)fw_ddb_entry->iscsi_name) == 0) 58721e9e2be3SAdheer Chandravanshi ret = qla4xxx_ddb_login_st(ha, fw_ddb_entry); 58731e9e2be3SAdheer Chandravanshi else 58741e9e2be3SAdheer Chandravanshi ret = qla4xxx_ddb_login_nt(ha, fw_ddb_entry, 58751e9e2be3SAdheer Chandravanshi fnode_sess->target_id); 58761e9e2be3SAdheer Chandravanshi 58771e9e2be3SAdheer Chandravanshi if (ret > 0) 58781e9e2be3SAdheer Chandravanshi ret = -EIO; 58791e9e2be3SAdheer Chandravanshi 58801e9e2be3SAdheer Chandravanshi exit_ddb_login: 58811e9e2be3SAdheer Chandravanshi if (fw_ddb_entry) 58821e9e2be3SAdheer Chandravanshi dma_free_coherent(&ha->pdev->dev, sizeof(*fw_ddb_entry), 58831e9e2be3SAdheer Chandravanshi fw_ddb_entry, fw_ddb_entry_dma); 58841e9e2be3SAdheer Chandravanshi return ret; 58851e9e2be3SAdheer Chandravanshi } 58861e9e2be3SAdheer Chandravanshi 58871e9e2be3SAdheer Chandravanshi /** 58881e9e2be3SAdheer Chandravanshi * qla4xxx_sysfs_ddb_logout_sid - Logout session for the specified target 58891e9e2be3SAdheer Chandravanshi * @cls_sess: pointer to session to be logged out 58901e9e2be3SAdheer Chandravanshi * 58911e9e2be3SAdheer Chandravanshi * This performs session log out from the specified target 58921e9e2be3SAdheer Chandravanshi **/ 58931e9e2be3SAdheer Chandravanshi static int qla4xxx_sysfs_ddb_logout_sid(struct iscsi_cls_session *cls_sess) 58941e9e2be3SAdheer Chandravanshi { 58951e9e2be3SAdheer Chandravanshi struct iscsi_session *sess; 58961e9e2be3SAdheer Chandravanshi struct ddb_entry *ddb_entry = NULL; 58971e9e2be3SAdheer Chandravanshi struct scsi_qla_host *ha; 58981e9e2be3SAdheer Chandravanshi struct dev_db_entry *fw_ddb_entry = NULL; 58991e9e2be3SAdheer Chandravanshi dma_addr_t fw_ddb_entry_dma; 59001e9e2be3SAdheer Chandravanshi unsigned long flags; 59011e9e2be3SAdheer Chandravanshi unsigned long wtime; 59021e9e2be3SAdheer Chandravanshi uint32_t ddb_state; 59031e9e2be3SAdheer Chandravanshi int options; 59041e9e2be3SAdheer Chandravanshi int ret = 0; 59051e9e2be3SAdheer Chandravanshi 59061e9e2be3SAdheer Chandravanshi sess = cls_sess->dd_data; 59071e9e2be3SAdheer Chandravanshi ddb_entry = sess->dd_data; 59081e9e2be3SAdheer Chandravanshi ha = ddb_entry->ha; 59091e9e2be3SAdheer Chandravanshi 59101e9e2be3SAdheer Chandravanshi if (ddb_entry->ddb_type != FLASH_DDB) { 59111e9e2be3SAdheer Chandravanshi ql4_printk(KERN_ERR, ha, "%s: Not a flash node session\n", 59121e9e2be3SAdheer Chandravanshi __func__); 59131e9e2be3SAdheer Chandravanshi ret = -ENXIO; 59141e9e2be3SAdheer Chandravanshi goto exit_ddb_logout; 59151e9e2be3SAdheer Chandravanshi } 59161e9e2be3SAdheer Chandravanshi 59171e9e2be3SAdheer Chandravanshi options = LOGOUT_OPTION_CLOSE_SESSION; 59181e9e2be3SAdheer Chandravanshi if (qla4xxx_session_logout_ddb(ha, ddb_entry, options) == QLA_ERROR) { 59191e9e2be3SAdheer Chandravanshi ql4_printk(KERN_ERR, ha, "%s: Logout failed\n", __func__); 59201e9e2be3SAdheer Chandravanshi ret = -EIO; 59211e9e2be3SAdheer Chandravanshi goto exit_ddb_logout; 59221e9e2be3SAdheer Chandravanshi } 59231e9e2be3SAdheer Chandravanshi 59241e9e2be3SAdheer Chandravanshi fw_ddb_entry = dma_alloc_coherent(&ha->pdev->dev, sizeof(*fw_ddb_entry), 59251e9e2be3SAdheer Chandravanshi &fw_ddb_entry_dma, GFP_KERNEL); 59261e9e2be3SAdheer Chandravanshi if (!fw_ddb_entry) { 59271e9e2be3SAdheer Chandravanshi ql4_printk(KERN_ERR, ha, 59281e9e2be3SAdheer Chandravanshi "%s: Unable to allocate dma buffer\n", __func__); 59291e9e2be3SAdheer Chandravanshi ret = -ENOMEM; 59301e9e2be3SAdheer Chandravanshi goto exit_ddb_logout; 59311e9e2be3SAdheer Chandravanshi } 59321e9e2be3SAdheer Chandravanshi 59331e9e2be3SAdheer Chandravanshi wtime = jiffies + (HZ * LOGOUT_TOV); 59341e9e2be3SAdheer Chandravanshi do { 59351e9e2be3SAdheer Chandravanshi ret = qla4xxx_get_fwddb_entry(ha, ddb_entry->fw_ddb_index, 59361e9e2be3SAdheer Chandravanshi fw_ddb_entry, fw_ddb_entry_dma, 59371e9e2be3SAdheer Chandravanshi NULL, NULL, &ddb_state, NULL, 59381e9e2be3SAdheer Chandravanshi NULL, NULL); 59391e9e2be3SAdheer Chandravanshi if (ret == QLA_ERROR) 59401e9e2be3SAdheer Chandravanshi goto ddb_logout_clr_sess; 59411e9e2be3SAdheer Chandravanshi 59421e9e2be3SAdheer Chandravanshi if ((ddb_state == DDB_DS_NO_CONNECTION_ACTIVE) || 59431e9e2be3SAdheer Chandravanshi (ddb_state == DDB_DS_SESSION_FAILED)) 59441e9e2be3SAdheer Chandravanshi goto ddb_logout_clr_sess; 59451e9e2be3SAdheer Chandravanshi 59461e9e2be3SAdheer Chandravanshi schedule_timeout_uninterruptible(HZ); 59471e9e2be3SAdheer Chandravanshi } while ((time_after(wtime, jiffies))); 59481e9e2be3SAdheer Chandravanshi 59491e9e2be3SAdheer Chandravanshi ddb_logout_clr_sess: 59501e9e2be3SAdheer Chandravanshi qla4xxx_clear_ddb_entry(ha, ddb_entry->fw_ddb_index); 59511e9e2be3SAdheer Chandravanshi /* 59521e9e2be3SAdheer Chandravanshi * we have decremented the reference count of the driver 59531e9e2be3SAdheer Chandravanshi * when we setup the session to have the driver unload 59541e9e2be3SAdheer Chandravanshi * to be seamless without actually destroying the 59551e9e2be3SAdheer Chandravanshi * session 59561e9e2be3SAdheer Chandravanshi **/ 59571e9e2be3SAdheer Chandravanshi try_module_get(qla4xxx_iscsi_transport.owner); 59581e9e2be3SAdheer Chandravanshi iscsi_destroy_endpoint(ddb_entry->conn->ep); 59591e9e2be3SAdheer Chandravanshi 59601e9e2be3SAdheer Chandravanshi spin_lock_irqsave(&ha->hardware_lock, flags); 59611e9e2be3SAdheer Chandravanshi qla4xxx_free_ddb(ha, ddb_entry); 59621e9e2be3SAdheer Chandravanshi spin_unlock_irqrestore(&ha->hardware_lock, flags); 59631e9e2be3SAdheer Chandravanshi 59641e9e2be3SAdheer Chandravanshi iscsi_session_teardown(ddb_entry->sess); 59651e9e2be3SAdheer Chandravanshi 59661e9e2be3SAdheer Chandravanshi ret = QLA_SUCCESS; 59671e9e2be3SAdheer Chandravanshi 59681e9e2be3SAdheer Chandravanshi exit_ddb_logout: 59691e9e2be3SAdheer Chandravanshi if (fw_ddb_entry) 59701e9e2be3SAdheer Chandravanshi dma_free_coherent(&ha->pdev->dev, sizeof(*fw_ddb_entry), 59711e9e2be3SAdheer Chandravanshi fw_ddb_entry, fw_ddb_entry_dma); 59721e9e2be3SAdheer Chandravanshi return ret; 59731e9e2be3SAdheer Chandravanshi } 59741e9e2be3SAdheer Chandravanshi 59751e9e2be3SAdheer Chandravanshi /** 59761e9e2be3SAdheer Chandravanshi * qla4xxx_sysfs_ddb_logout - Logout from the specified target 59771e9e2be3SAdheer Chandravanshi * @fnode_sess: pointer to session attrs of flash ddb entry 59781e9e2be3SAdheer Chandravanshi * @fnode_conn: pointer to connection attrs of flash ddb entry 59791e9e2be3SAdheer Chandravanshi * 59801e9e2be3SAdheer Chandravanshi * This performs log out from the specified target 59811e9e2be3SAdheer Chandravanshi **/ 59821e9e2be3SAdheer Chandravanshi static int qla4xxx_sysfs_ddb_logout(struct iscsi_bus_flash_session *fnode_sess, 59831e9e2be3SAdheer Chandravanshi struct iscsi_bus_flash_conn *fnode_conn) 59841e9e2be3SAdheer Chandravanshi { 59851e9e2be3SAdheer Chandravanshi struct Scsi_Host *shost = iscsi_flash_session_to_shost(fnode_sess); 59861e9e2be3SAdheer Chandravanshi struct scsi_qla_host *ha = to_qla_host(shost); 59871e9e2be3SAdheer Chandravanshi struct ql4_tuple_ddb *flash_tddb = NULL; 59881e9e2be3SAdheer Chandravanshi struct ql4_tuple_ddb *tmp_tddb = NULL; 59891e9e2be3SAdheer Chandravanshi struct dev_db_entry *fw_ddb_entry = NULL; 59901e9e2be3SAdheer Chandravanshi struct ddb_entry *ddb_entry = NULL; 59911e9e2be3SAdheer Chandravanshi dma_addr_t fw_ddb_dma; 59921e9e2be3SAdheer Chandravanshi uint32_t next_idx = 0; 59931e9e2be3SAdheer Chandravanshi uint32_t state = 0, conn_err = 0; 59941e9e2be3SAdheer Chandravanshi uint16_t conn_id = 0; 59951e9e2be3SAdheer Chandravanshi int idx, index; 59961e9e2be3SAdheer Chandravanshi int status, ret = 0; 59971e9e2be3SAdheer Chandravanshi 59981e9e2be3SAdheer Chandravanshi fw_ddb_entry = dma_pool_alloc(ha->fw_ddb_dma_pool, GFP_KERNEL, 59991e9e2be3SAdheer Chandravanshi &fw_ddb_dma); 60001e9e2be3SAdheer Chandravanshi if (fw_ddb_entry == NULL) { 60011e9e2be3SAdheer Chandravanshi ql4_printk(KERN_ERR, ha, "%s:Out of memory\n", __func__); 60021e9e2be3SAdheer Chandravanshi ret = -ENOMEM; 60031e9e2be3SAdheer Chandravanshi goto exit_ddb_logout; 60041e9e2be3SAdheer Chandravanshi } 60051e9e2be3SAdheer Chandravanshi 60061e9e2be3SAdheer Chandravanshi flash_tddb = vzalloc(sizeof(*flash_tddb)); 60071e9e2be3SAdheer Chandravanshi if (!flash_tddb) { 60081e9e2be3SAdheer Chandravanshi ql4_printk(KERN_WARNING, ha, 60091e9e2be3SAdheer Chandravanshi "%s:Memory Allocation failed.\n", __func__); 60101e9e2be3SAdheer Chandravanshi ret = -ENOMEM; 60111e9e2be3SAdheer Chandravanshi goto exit_ddb_logout; 60121e9e2be3SAdheer Chandravanshi } 60131e9e2be3SAdheer Chandravanshi 60141e9e2be3SAdheer Chandravanshi tmp_tddb = vzalloc(sizeof(*tmp_tddb)); 60151e9e2be3SAdheer Chandravanshi if (!tmp_tddb) { 60161e9e2be3SAdheer Chandravanshi ql4_printk(KERN_WARNING, ha, 60171e9e2be3SAdheer Chandravanshi "%s:Memory Allocation failed.\n", __func__); 60181e9e2be3SAdheer Chandravanshi ret = -ENOMEM; 60191e9e2be3SAdheer Chandravanshi goto exit_ddb_logout; 60201e9e2be3SAdheer Chandravanshi } 60211e9e2be3SAdheer Chandravanshi 60221e9e2be3SAdheer Chandravanshi if (!fnode_sess->targetname) { 60231e9e2be3SAdheer Chandravanshi ql4_printk(KERN_ERR, ha, 60241e9e2be3SAdheer Chandravanshi "%s:Cannot logout from SendTarget entry\n", 60251e9e2be3SAdheer Chandravanshi __func__); 60261e9e2be3SAdheer Chandravanshi ret = -EPERM; 60271e9e2be3SAdheer Chandravanshi goto exit_ddb_logout; 60281e9e2be3SAdheer Chandravanshi } 60291e9e2be3SAdheer Chandravanshi 60301e9e2be3SAdheer Chandravanshi if (fnode_sess->is_boot_target) { 60311e9e2be3SAdheer Chandravanshi ql4_printk(KERN_ERR, ha, 60321e9e2be3SAdheer Chandravanshi "%s: Logout from boot target entry is not permitted.\n", 60331e9e2be3SAdheer Chandravanshi __func__); 60341e9e2be3SAdheer Chandravanshi ret = -EPERM; 60351e9e2be3SAdheer Chandravanshi goto exit_ddb_logout; 60361e9e2be3SAdheer Chandravanshi } 60371e9e2be3SAdheer Chandravanshi 60381e9e2be3SAdheer Chandravanshi strncpy(flash_tddb->iscsi_name, fnode_sess->targetname, 60391e9e2be3SAdheer Chandravanshi ISCSI_NAME_SIZE); 60401e9e2be3SAdheer Chandravanshi 60411e9e2be3SAdheer Chandravanshi if (!strncmp(fnode_sess->portal_type, DEV_TYPE_IPV6, 4)) 60421e9e2be3SAdheer Chandravanshi sprintf(flash_tddb->ip_addr, "%pI6", fnode_conn->ipaddress); 60431e9e2be3SAdheer Chandravanshi else 60441e9e2be3SAdheer Chandravanshi sprintf(flash_tddb->ip_addr, "%pI4", fnode_conn->ipaddress); 60451e9e2be3SAdheer Chandravanshi 60461e9e2be3SAdheer Chandravanshi flash_tddb->tpgt = fnode_sess->tpgt; 60471e9e2be3SAdheer Chandravanshi flash_tddb->port = fnode_conn->port; 60481e9e2be3SAdheer Chandravanshi 60491e9e2be3SAdheer Chandravanshi COPY_ISID(flash_tddb->isid, fnode_sess->isid); 60501e9e2be3SAdheer Chandravanshi 60511e9e2be3SAdheer Chandravanshi for (idx = 0; idx < MAX_DDB_ENTRIES; idx++) { 60521e9e2be3SAdheer Chandravanshi ddb_entry = qla4xxx_lookup_ddb_by_fw_index(ha, idx); 60531e9e2be3SAdheer Chandravanshi if (ddb_entry == NULL) 60541e9e2be3SAdheer Chandravanshi continue; 60551e9e2be3SAdheer Chandravanshi 60561e9e2be3SAdheer Chandravanshi if (ddb_entry->ddb_type != FLASH_DDB) 60571e9e2be3SAdheer Chandravanshi continue; 60581e9e2be3SAdheer Chandravanshi 60591e9e2be3SAdheer Chandravanshi index = ddb_entry->sess->target_id; 60601e9e2be3SAdheer Chandravanshi status = qla4xxx_get_fwddb_entry(ha, index, fw_ddb_entry, 60611e9e2be3SAdheer Chandravanshi fw_ddb_dma, NULL, &next_idx, 60621e9e2be3SAdheer Chandravanshi &state, &conn_err, NULL, 60631e9e2be3SAdheer Chandravanshi &conn_id); 60641e9e2be3SAdheer Chandravanshi if (status == QLA_ERROR) { 60651e9e2be3SAdheer Chandravanshi ret = -ENOMEM; 60661e9e2be3SAdheer Chandravanshi break; 60671e9e2be3SAdheer Chandravanshi } 60681e9e2be3SAdheer Chandravanshi 60691e9e2be3SAdheer Chandravanshi qla4xxx_convert_param_ddb(fw_ddb_entry, tmp_tddb, NULL); 60701e9e2be3SAdheer Chandravanshi 60711e9e2be3SAdheer Chandravanshi status = qla4xxx_compare_tuple_ddb(ha, flash_tddb, tmp_tddb, 60721e9e2be3SAdheer Chandravanshi true); 60731e9e2be3SAdheer Chandravanshi if (status == QLA_SUCCESS) { 60741e9e2be3SAdheer Chandravanshi ret = qla4xxx_sysfs_ddb_logout_sid(ddb_entry->sess); 60751e9e2be3SAdheer Chandravanshi break; 60761e9e2be3SAdheer Chandravanshi } 60771e9e2be3SAdheer Chandravanshi } 60781e9e2be3SAdheer Chandravanshi 60791e9e2be3SAdheer Chandravanshi if (idx == MAX_DDB_ENTRIES) 60801e9e2be3SAdheer Chandravanshi ret = -ESRCH; 60811e9e2be3SAdheer Chandravanshi 60821e9e2be3SAdheer Chandravanshi exit_ddb_logout: 60831e9e2be3SAdheer Chandravanshi if (flash_tddb) 60841e9e2be3SAdheer Chandravanshi vfree(flash_tddb); 60851e9e2be3SAdheer Chandravanshi if (tmp_tddb) 60861e9e2be3SAdheer Chandravanshi vfree(tmp_tddb); 60871e9e2be3SAdheer Chandravanshi if (fw_ddb_entry) 60881e9e2be3SAdheer Chandravanshi dma_pool_free(ha->fw_ddb_dma_pool, fw_ddb_entry, fw_ddb_dma); 60891e9e2be3SAdheer Chandravanshi 60901e9e2be3SAdheer Chandravanshi return ret; 60911e9e2be3SAdheer Chandravanshi } 60921e9e2be3SAdheer Chandravanshi 60931e9e2be3SAdheer Chandravanshi static int 60941e9e2be3SAdheer Chandravanshi qla4xxx_sysfs_ddb_get_param(struct iscsi_bus_flash_session *fnode_sess, 60951e9e2be3SAdheer Chandravanshi int param, char *buf) 60961e9e2be3SAdheer Chandravanshi { 60971e9e2be3SAdheer Chandravanshi struct Scsi_Host *shost = iscsi_flash_session_to_shost(fnode_sess); 60981e9e2be3SAdheer Chandravanshi struct scsi_qla_host *ha = to_qla_host(shost); 60991e9e2be3SAdheer Chandravanshi struct iscsi_bus_flash_conn *fnode_conn; 61001e9e2be3SAdheer Chandravanshi struct ql4_chap_table chap_tbl; 61011e9e2be3SAdheer Chandravanshi struct device *dev; 61021e9e2be3SAdheer Chandravanshi int parent_type, parent_index = 0xffff; 61031e9e2be3SAdheer Chandravanshi int rc = 0; 61041e9e2be3SAdheer Chandravanshi 61051e9e2be3SAdheer Chandravanshi dev = iscsi_find_flashnode_conn(fnode_sess, NULL, 61061e9e2be3SAdheer Chandravanshi iscsi_is_flashnode_conn_dev); 61071e9e2be3SAdheer Chandravanshi if (!dev) 61081e9e2be3SAdheer Chandravanshi return -EIO; 61091e9e2be3SAdheer Chandravanshi 61101e9e2be3SAdheer Chandravanshi fnode_conn = iscsi_dev_to_flash_conn(dev); 61111e9e2be3SAdheer Chandravanshi 61121e9e2be3SAdheer Chandravanshi switch (param) { 61131e9e2be3SAdheer Chandravanshi case ISCSI_FLASHNODE_IS_FW_ASSIGNED_IPV6: 61141e9e2be3SAdheer Chandravanshi rc = sprintf(buf, "%u\n", fnode_conn->is_fw_assigned_ipv6); 61151e9e2be3SAdheer Chandravanshi break; 61161e9e2be3SAdheer Chandravanshi case ISCSI_FLASHNODE_PORTAL_TYPE: 61171e9e2be3SAdheer Chandravanshi rc = sprintf(buf, "%s\n", fnode_sess->portal_type); 61181e9e2be3SAdheer Chandravanshi break; 61191e9e2be3SAdheer Chandravanshi case ISCSI_FLASHNODE_AUTO_SND_TGT_DISABLE: 61201e9e2be3SAdheer Chandravanshi rc = sprintf(buf, "%u\n", fnode_sess->auto_snd_tgt_disable); 61211e9e2be3SAdheer Chandravanshi break; 61221e9e2be3SAdheer Chandravanshi case ISCSI_FLASHNODE_DISCOVERY_SESS: 61231e9e2be3SAdheer Chandravanshi rc = sprintf(buf, "%u\n", fnode_sess->discovery_sess); 61241e9e2be3SAdheer Chandravanshi break; 61251e9e2be3SAdheer Chandravanshi case ISCSI_FLASHNODE_ENTRY_EN: 61261e9e2be3SAdheer Chandravanshi rc = sprintf(buf, "%u\n", fnode_sess->entry_state); 61271e9e2be3SAdheer Chandravanshi break; 61281e9e2be3SAdheer Chandravanshi case ISCSI_FLASHNODE_HDR_DGST_EN: 61291e9e2be3SAdheer Chandravanshi rc = sprintf(buf, "%u\n", fnode_conn->hdrdgst_en); 61301e9e2be3SAdheer Chandravanshi break; 61311e9e2be3SAdheer Chandravanshi case ISCSI_FLASHNODE_DATA_DGST_EN: 61321e9e2be3SAdheer Chandravanshi rc = sprintf(buf, "%u\n", fnode_conn->datadgst_en); 61331e9e2be3SAdheer Chandravanshi break; 61341e9e2be3SAdheer Chandravanshi case ISCSI_FLASHNODE_IMM_DATA_EN: 61351e9e2be3SAdheer Chandravanshi rc = sprintf(buf, "%u\n", fnode_sess->imm_data_en); 61361e9e2be3SAdheer Chandravanshi break; 61371e9e2be3SAdheer Chandravanshi case ISCSI_FLASHNODE_INITIAL_R2T_EN: 61381e9e2be3SAdheer Chandravanshi rc = sprintf(buf, "%u\n", fnode_sess->initial_r2t_en); 61391e9e2be3SAdheer Chandravanshi break; 61401e9e2be3SAdheer Chandravanshi case ISCSI_FLASHNODE_DATASEQ_INORDER: 61411e9e2be3SAdheer Chandravanshi rc = sprintf(buf, "%u\n", fnode_sess->dataseq_inorder_en); 61421e9e2be3SAdheer Chandravanshi break; 61431e9e2be3SAdheer Chandravanshi case ISCSI_FLASHNODE_PDU_INORDER: 61441e9e2be3SAdheer Chandravanshi rc = sprintf(buf, "%u\n", fnode_sess->pdu_inorder_en); 61451e9e2be3SAdheer Chandravanshi break; 61461e9e2be3SAdheer Chandravanshi case ISCSI_FLASHNODE_CHAP_AUTH_EN: 61471e9e2be3SAdheer Chandravanshi rc = sprintf(buf, "%u\n", fnode_sess->chap_auth_en); 61481e9e2be3SAdheer Chandravanshi break; 61491e9e2be3SAdheer Chandravanshi case ISCSI_FLASHNODE_SNACK_REQ_EN: 61501e9e2be3SAdheer Chandravanshi rc = sprintf(buf, "%u\n", fnode_conn->snack_req_en); 61511e9e2be3SAdheer Chandravanshi break; 61521e9e2be3SAdheer Chandravanshi case ISCSI_FLASHNODE_DISCOVERY_LOGOUT_EN: 61531e9e2be3SAdheer Chandravanshi rc = sprintf(buf, "%u\n", fnode_sess->discovery_logout_en); 61541e9e2be3SAdheer Chandravanshi break; 61551e9e2be3SAdheer Chandravanshi case ISCSI_FLASHNODE_BIDI_CHAP_EN: 61561e9e2be3SAdheer Chandravanshi rc = sprintf(buf, "%u\n", fnode_sess->bidi_chap_en); 61571e9e2be3SAdheer Chandravanshi break; 61581e9e2be3SAdheer Chandravanshi case ISCSI_FLASHNODE_DISCOVERY_AUTH_OPTIONAL: 61591e9e2be3SAdheer Chandravanshi rc = sprintf(buf, "%u\n", fnode_sess->discovery_auth_optional); 61601e9e2be3SAdheer Chandravanshi break; 61611e9e2be3SAdheer Chandravanshi case ISCSI_FLASHNODE_ERL: 61621e9e2be3SAdheer Chandravanshi rc = sprintf(buf, "%u\n", fnode_sess->erl); 61631e9e2be3SAdheer Chandravanshi break; 61641e9e2be3SAdheer Chandravanshi case ISCSI_FLASHNODE_TCP_TIMESTAMP_STAT: 61651e9e2be3SAdheer Chandravanshi rc = sprintf(buf, "%u\n", fnode_conn->tcp_timestamp_stat); 61661e9e2be3SAdheer Chandravanshi break; 61671e9e2be3SAdheer Chandravanshi case ISCSI_FLASHNODE_TCP_NAGLE_DISABLE: 61681e9e2be3SAdheer Chandravanshi rc = sprintf(buf, "%u\n", fnode_conn->tcp_nagle_disable); 61691e9e2be3SAdheer Chandravanshi break; 61701e9e2be3SAdheer Chandravanshi case ISCSI_FLASHNODE_TCP_WSF_DISABLE: 61711e9e2be3SAdheer Chandravanshi rc = sprintf(buf, "%u\n", fnode_conn->tcp_wsf_disable); 61721e9e2be3SAdheer Chandravanshi break; 61731e9e2be3SAdheer Chandravanshi case ISCSI_FLASHNODE_TCP_TIMER_SCALE: 61741e9e2be3SAdheer Chandravanshi rc = sprintf(buf, "%u\n", fnode_conn->tcp_timer_scale); 61751e9e2be3SAdheer Chandravanshi break; 61761e9e2be3SAdheer Chandravanshi case ISCSI_FLASHNODE_TCP_TIMESTAMP_EN: 61771e9e2be3SAdheer Chandravanshi rc = sprintf(buf, "%u\n", fnode_conn->tcp_timestamp_en); 61781e9e2be3SAdheer Chandravanshi break; 61791e9e2be3SAdheer Chandravanshi case ISCSI_FLASHNODE_IP_FRAG_DISABLE: 61801e9e2be3SAdheer Chandravanshi rc = sprintf(buf, "%u\n", fnode_conn->fragment_disable); 61811e9e2be3SAdheer Chandravanshi break; 61821e9e2be3SAdheer Chandravanshi case ISCSI_FLASHNODE_MAX_RECV_DLENGTH: 61831e9e2be3SAdheer Chandravanshi rc = sprintf(buf, "%u\n", fnode_conn->max_recv_dlength); 61841e9e2be3SAdheer Chandravanshi break; 61851e9e2be3SAdheer Chandravanshi case ISCSI_FLASHNODE_MAX_XMIT_DLENGTH: 61861e9e2be3SAdheer Chandravanshi rc = sprintf(buf, "%u\n", fnode_conn->max_xmit_dlength); 61871e9e2be3SAdheer Chandravanshi break; 61881e9e2be3SAdheer Chandravanshi case ISCSI_FLASHNODE_FIRST_BURST: 61891e9e2be3SAdheer Chandravanshi rc = sprintf(buf, "%u\n", fnode_sess->first_burst); 61901e9e2be3SAdheer Chandravanshi break; 61911e9e2be3SAdheer Chandravanshi case ISCSI_FLASHNODE_DEF_TIME2WAIT: 61921e9e2be3SAdheer Chandravanshi rc = sprintf(buf, "%u\n", fnode_sess->time2wait); 61931e9e2be3SAdheer Chandravanshi break; 61941e9e2be3SAdheer Chandravanshi case ISCSI_FLASHNODE_DEF_TIME2RETAIN: 61951e9e2be3SAdheer Chandravanshi rc = sprintf(buf, "%u\n", fnode_sess->time2retain); 61961e9e2be3SAdheer Chandravanshi break; 61971e9e2be3SAdheer Chandravanshi case ISCSI_FLASHNODE_MAX_R2T: 61981e9e2be3SAdheer Chandravanshi rc = sprintf(buf, "%u\n", fnode_sess->max_r2t); 61991e9e2be3SAdheer Chandravanshi break; 62001e9e2be3SAdheer Chandravanshi case ISCSI_FLASHNODE_KEEPALIVE_TMO: 62011e9e2be3SAdheer Chandravanshi rc = sprintf(buf, "%u\n", fnode_conn->keepalive_timeout); 62021e9e2be3SAdheer Chandravanshi break; 62031e9e2be3SAdheer Chandravanshi case ISCSI_FLASHNODE_ISID: 62041e9e2be3SAdheer Chandravanshi rc = sprintf(buf, "%02x%02x%02x%02x%02x%02x\n", 62051e9e2be3SAdheer Chandravanshi fnode_sess->isid[0], fnode_sess->isid[1], 62061e9e2be3SAdheer Chandravanshi fnode_sess->isid[2], fnode_sess->isid[3], 62071e9e2be3SAdheer Chandravanshi fnode_sess->isid[4], fnode_sess->isid[5]); 62081e9e2be3SAdheer Chandravanshi break; 62091e9e2be3SAdheer Chandravanshi case ISCSI_FLASHNODE_TSID: 62101e9e2be3SAdheer Chandravanshi rc = sprintf(buf, "%u\n", fnode_sess->tsid); 62111e9e2be3SAdheer Chandravanshi break; 62121e9e2be3SAdheer Chandravanshi case ISCSI_FLASHNODE_PORT: 62131e9e2be3SAdheer Chandravanshi rc = sprintf(buf, "%d\n", fnode_conn->port); 62141e9e2be3SAdheer Chandravanshi break; 62151e9e2be3SAdheer Chandravanshi case ISCSI_FLASHNODE_MAX_BURST: 62161e9e2be3SAdheer Chandravanshi rc = sprintf(buf, "%u\n", fnode_sess->max_burst); 62171e9e2be3SAdheer Chandravanshi break; 62181e9e2be3SAdheer Chandravanshi case ISCSI_FLASHNODE_DEF_TASKMGMT_TMO: 62191e9e2be3SAdheer Chandravanshi rc = sprintf(buf, "%u\n", 62201e9e2be3SAdheer Chandravanshi fnode_sess->default_taskmgmt_timeout); 62211e9e2be3SAdheer Chandravanshi break; 62221e9e2be3SAdheer Chandravanshi case ISCSI_FLASHNODE_IPADDR: 62231e9e2be3SAdheer Chandravanshi if (!strncmp(fnode_sess->portal_type, DEV_TYPE_IPV6, 4)) 62241e9e2be3SAdheer Chandravanshi rc = sprintf(buf, "%pI6\n", fnode_conn->ipaddress); 62251e9e2be3SAdheer Chandravanshi else 62261e9e2be3SAdheer Chandravanshi rc = sprintf(buf, "%pI4\n", fnode_conn->ipaddress); 62271e9e2be3SAdheer Chandravanshi break; 62281e9e2be3SAdheer Chandravanshi case ISCSI_FLASHNODE_ALIAS: 62291e9e2be3SAdheer Chandravanshi if (fnode_sess->targetalias) 62301e9e2be3SAdheer Chandravanshi rc = sprintf(buf, "%s\n", fnode_sess->targetalias); 62311e9e2be3SAdheer Chandravanshi else 62321e9e2be3SAdheer Chandravanshi rc = sprintf(buf, "\n"); 62331e9e2be3SAdheer Chandravanshi break; 62341e9e2be3SAdheer Chandravanshi case ISCSI_FLASHNODE_REDIRECT_IPADDR: 62351e9e2be3SAdheer Chandravanshi if (!strncmp(fnode_sess->portal_type, DEV_TYPE_IPV6, 4)) 62361e9e2be3SAdheer Chandravanshi rc = sprintf(buf, "%pI6\n", 62371e9e2be3SAdheer Chandravanshi fnode_conn->redirect_ipaddr); 62381e9e2be3SAdheer Chandravanshi else 62391e9e2be3SAdheer Chandravanshi rc = sprintf(buf, "%pI4\n", 62401e9e2be3SAdheer Chandravanshi fnode_conn->redirect_ipaddr); 62411e9e2be3SAdheer Chandravanshi break; 62421e9e2be3SAdheer Chandravanshi case ISCSI_FLASHNODE_MAX_SEGMENT_SIZE: 62431e9e2be3SAdheer Chandravanshi rc = sprintf(buf, "%u\n", fnode_conn->max_segment_size); 62441e9e2be3SAdheer Chandravanshi break; 62451e9e2be3SAdheer Chandravanshi case ISCSI_FLASHNODE_LOCAL_PORT: 62461e9e2be3SAdheer Chandravanshi rc = sprintf(buf, "%u\n", fnode_conn->local_port); 62471e9e2be3SAdheer Chandravanshi break; 62481e9e2be3SAdheer Chandravanshi case ISCSI_FLASHNODE_IPV4_TOS: 62491e9e2be3SAdheer Chandravanshi rc = sprintf(buf, "%u\n", fnode_conn->ipv4_tos); 62501e9e2be3SAdheer Chandravanshi break; 62511e9e2be3SAdheer Chandravanshi case ISCSI_FLASHNODE_IPV6_TC: 62521e9e2be3SAdheer Chandravanshi if (!strncmp(fnode_sess->portal_type, DEV_TYPE_IPV6, 4)) 62531e9e2be3SAdheer Chandravanshi rc = sprintf(buf, "%u\n", 62541e9e2be3SAdheer Chandravanshi fnode_conn->ipv6_traffic_class); 62551e9e2be3SAdheer Chandravanshi else 62561e9e2be3SAdheer Chandravanshi rc = sprintf(buf, "\n"); 62571e9e2be3SAdheer Chandravanshi break; 62581e9e2be3SAdheer Chandravanshi case ISCSI_FLASHNODE_IPV6_FLOW_LABEL: 62591e9e2be3SAdheer Chandravanshi rc = sprintf(buf, "%u\n", fnode_conn->ipv6_flow_label); 62601e9e2be3SAdheer Chandravanshi break; 62611e9e2be3SAdheer Chandravanshi case ISCSI_FLASHNODE_LINK_LOCAL_IPV6: 62621e9e2be3SAdheer Chandravanshi if (!strncmp(fnode_sess->portal_type, DEV_TYPE_IPV6, 4)) 62631e9e2be3SAdheer Chandravanshi rc = sprintf(buf, "%pI6\n", 62641e9e2be3SAdheer Chandravanshi fnode_conn->link_local_ipv6_addr); 62651e9e2be3SAdheer Chandravanshi else 62661e9e2be3SAdheer Chandravanshi rc = sprintf(buf, "\n"); 62671e9e2be3SAdheer Chandravanshi break; 62681e9e2be3SAdheer Chandravanshi case ISCSI_FLASHNODE_DISCOVERY_PARENT_IDX: 62691e9e2be3SAdheer Chandravanshi if ((fnode_sess->discovery_parent_idx) >= 0 && 62701e9e2be3SAdheer Chandravanshi (fnode_sess->discovery_parent_idx < MAX_DDB_ENTRIES)) 62711e9e2be3SAdheer Chandravanshi parent_index = fnode_sess->discovery_parent_idx; 62721e9e2be3SAdheer Chandravanshi 62731e9e2be3SAdheer Chandravanshi rc = sprintf(buf, "%u\n", parent_index); 62741e9e2be3SAdheer Chandravanshi break; 62751e9e2be3SAdheer Chandravanshi case ISCSI_FLASHNODE_DISCOVERY_PARENT_TYPE: 62761e9e2be3SAdheer Chandravanshi if (fnode_sess->discovery_parent_type == DDB_ISNS) 62771e9e2be3SAdheer Chandravanshi parent_type = ISCSI_DISC_PARENT_ISNS; 62781e9e2be3SAdheer Chandravanshi else if (fnode_sess->discovery_parent_type == DDB_NO_LINK) 62791e9e2be3SAdheer Chandravanshi parent_type = ISCSI_DISC_PARENT_UNKNOWN; 62801e9e2be3SAdheer Chandravanshi else if (fnode_sess->discovery_parent_type >= 0 && 62811e9e2be3SAdheer Chandravanshi fnode_sess->discovery_parent_type < MAX_DDB_ENTRIES) 62821e9e2be3SAdheer Chandravanshi parent_type = ISCSI_DISC_PARENT_SENDTGT; 62831e9e2be3SAdheer Chandravanshi else 62841e9e2be3SAdheer Chandravanshi parent_type = ISCSI_DISC_PARENT_UNKNOWN; 62851e9e2be3SAdheer Chandravanshi 62861e9e2be3SAdheer Chandravanshi rc = sprintf(buf, "%s\n", 62871e9e2be3SAdheer Chandravanshi iscsi_get_discovery_parent_name(parent_type)); 62881e9e2be3SAdheer Chandravanshi break; 62891e9e2be3SAdheer Chandravanshi case ISCSI_FLASHNODE_NAME: 62901e9e2be3SAdheer Chandravanshi if (fnode_sess->targetname) 62911e9e2be3SAdheer Chandravanshi rc = sprintf(buf, "%s\n", fnode_sess->targetname); 62921e9e2be3SAdheer Chandravanshi else 62931e9e2be3SAdheer Chandravanshi rc = sprintf(buf, "\n"); 62941e9e2be3SAdheer Chandravanshi break; 62951e9e2be3SAdheer Chandravanshi case ISCSI_FLASHNODE_TPGT: 62961e9e2be3SAdheer Chandravanshi rc = sprintf(buf, "%u\n", fnode_sess->tpgt); 62971e9e2be3SAdheer Chandravanshi break; 62981e9e2be3SAdheer Chandravanshi case ISCSI_FLASHNODE_TCP_XMIT_WSF: 62991e9e2be3SAdheer Chandravanshi rc = sprintf(buf, "%u\n", fnode_conn->tcp_xmit_wsf); 63001e9e2be3SAdheer Chandravanshi break; 63011e9e2be3SAdheer Chandravanshi case ISCSI_FLASHNODE_TCP_RECV_WSF: 63021e9e2be3SAdheer Chandravanshi rc = sprintf(buf, "%u\n", fnode_conn->tcp_recv_wsf); 63031e9e2be3SAdheer Chandravanshi break; 63041e9e2be3SAdheer Chandravanshi case ISCSI_FLASHNODE_CHAP_OUT_IDX: 63051e9e2be3SAdheer Chandravanshi rc = sprintf(buf, "%u\n", fnode_sess->chap_out_idx); 63061e9e2be3SAdheer Chandravanshi break; 63071e9e2be3SAdheer Chandravanshi case ISCSI_FLASHNODE_USERNAME: 63081e9e2be3SAdheer Chandravanshi if (fnode_sess->chap_auth_en) { 63091e9e2be3SAdheer Chandravanshi qla4xxx_get_uni_chap_at_index(ha, 63101e9e2be3SAdheer Chandravanshi chap_tbl.name, 63111e9e2be3SAdheer Chandravanshi chap_tbl.secret, 63121e9e2be3SAdheer Chandravanshi fnode_sess->chap_out_idx); 63131e9e2be3SAdheer Chandravanshi rc = sprintf(buf, "%s\n", chap_tbl.name); 63141e9e2be3SAdheer Chandravanshi } else { 63151e9e2be3SAdheer Chandravanshi rc = sprintf(buf, "\n"); 63161e9e2be3SAdheer Chandravanshi } 63171e9e2be3SAdheer Chandravanshi break; 63181e9e2be3SAdheer Chandravanshi case ISCSI_FLASHNODE_PASSWORD: 63191e9e2be3SAdheer Chandravanshi if (fnode_sess->chap_auth_en) { 63201e9e2be3SAdheer Chandravanshi qla4xxx_get_uni_chap_at_index(ha, 63211e9e2be3SAdheer Chandravanshi chap_tbl.name, 63221e9e2be3SAdheer Chandravanshi chap_tbl.secret, 63231e9e2be3SAdheer Chandravanshi fnode_sess->chap_out_idx); 63241e9e2be3SAdheer Chandravanshi rc = sprintf(buf, "%s\n", chap_tbl.secret); 63251e9e2be3SAdheer Chandravanshi } else { 63261e9e2be3SAdheer Chandravanshi rc = sprintf(buf, "\n"); 63271e9e2be3SAdheer Chandravanshi } 63281e9e2be3SAdheer Chandravanshi break; 63291e9e2be3SAdheer Chandravanshi case ISCSI_FLASHNODE_STATSN: 63301e9e2be3SAdheer Chandravanshi rc = sprintf(buf, "%u\n", fnode_conn->statsn); 63311e9e2be3SAdheer Chandravanshi break; 63321e9e2be3SAdheer Chandravanshi case ISCSI_FLASHNODE_EXP_STATSN: 63331e9e2be3SAdheer Chandravanshi rc = sprintf(buf, "%u\n", fnode_conn->exp_statsn); 63341e9e2be3SAdheer Chandravanshi break; 63351e9e2be3SAdheer Chandravanshi case ISCSI_FLASHNODE_IS_BOOT_TGT: 63361e9e2be3SAdheer Chandravanshi rc = sprintf(buf, "%u\n", fnode_sess->is_boot_target); 63371e9e2be3SAdheer Chandravanshi break; 63381e9e2be3SAdheer Chandravanshi default: 63391e9e2be3SAdheer Chandravanshi rc = -ENOSYS; 63401e9e2be3SAdheer Chandravanshi break; 63411e9e2be3SAdheer Chandravanshi } 63421e9e2be3SAdheer Chandravanshi return rc; 63431e9e2be3SAdheer Chandravanshi } 63441e9e2be3SAdheer Chandravanshi 63451e9e2be3SAdheer Chandravanshi /** 63461e9e2be3SAdheer Chandravanshi * qla4xxx_sysfs_ddb_set_param - Set parameter for firmware DDB entry 63471e9e2be3SAdheer Chandravanshi * @fnode_sess: pointer to session attrs of flash ddb entry 63481e9e2be3SAdheer Chandravanshi * @fnode_conn: pointer to connection attrs of flash ddb entry 63491e9e2be3SAdheer Chandravanshi * @data: Parameters and their values to update 63501e9e2be3SAdheer Chandravanshi * @len: len of data 63511e9e2be3SAdheer Chandravanshi * 63521e9e2be3SAdheer Chandravanshi * This sets the parameter of flash ddb entry and writes them to flash 63531e9e2be3SAdheer Chandravanshi **/ 63541e9e2be3SAdheer Chandravanshi static int 63551e9e2be3SAdheer Chandravanshi qla4xxx_sysfs_ddb_set_param(struct iscsi_bus_flash_session *fnode_sess, 63561e9e2be3SAdheer Chandravanshi struct iscsi_bus_flash_conn *fnode_conn, 63571e9e2be3SAdheer Chandravanshi void *data, int len) 63581e9e2be3SAdheer Chandravanshi { 63591e9e2be3SAdheer Chandravanshi struct Scsi_Host *shost = iscsi_flash_session_to_shost(fnode_sess); 63601e9e2be3SAdheer Chandravanshi struct scsi_qla_host *ha = to_qla_host(shost); 63611e9e2be3SAdheer Chandravanshi struct dev_db_entry *fw_ddb_entry = NULL; 63621e9e2be3SAdheer Chandravanshi struct iscsi_flashnode_param_info *fnode_param; 63631e9e2be3SAdheer Chandravanshi struct nlattr *attr; 63641e9e2be3SAdheer Chandravanshi int rc = QLA_ERROR; 63651e9e2be3SAdheer Chandravanshi uint32_t rem = len; 63661e9e2be3SAdheer Chandravanshi 63671e9e2be3SAdheer Chandravanshi fw_ddb_entry = kzalloc(sizeof(*fw_ddb_entry), GFP_KERNEL); 63681e9e2be3SAdheer Chandravanshi if (!fw_ddb_entry) { 63691e9e2be3SAdheer Chandravanshi DEBUG2(ql4_printk(KERN_ERR, ha, 63701e9e2be3SAdheer Chandravanshi "%s: Unable to allocate ddb buffer\n", 63711e9e2be3SAdheer Chandravanshi __func__)); 63721e9e2be3SAdheer Chandravanshi return -ENOMEM; 63731e9e2be3SAdheer Chandravanshi } 63741e9e2be3SAdheer Chandravanshi 63751e9e2be3SAdheer Chandravanshi nla_for_each_attr(attr, data, len, rem) { 63761e9e2be3SAdheer Chandravanshi fnode_param = nla_data(attr); 63771e9e2be3SAdheer Chandravanshi 63781e9e2be3SAdheer Chandravanshi switch (fnode_param->param) { 63791e9e2be3SAdheer Chandravanshi case ISCSI_FLASHNODE_IS_FW_ASSIGNED_IPV6: 63801e9e2be3SAdheer Chandravanshi fnode_conn->is_fw_assigned_ipv6 = fnode_param->value[0]; 63811e9e2be3SAdheer Chandravanshi break; 63821e9e2be3SAdheer Chandravanshi case ISCSI_FLASHNODE_PORTAL_TYPE: 63831e9e2be3SAdheer Chandravanshi memcpy(fnode_sess->portal_type, fnode_param->value, 63841e9e2be3SAdheer Chandravanshi strlen(fnode_sess->portal_type)); 63851e9e2be3SAdheer Chandravanshi break; 63861e9e2be3SAdheer Chandravanshi case ISCSI_FLASHNODE_AUTO_SND_TGT_DISABLE: 63871e9e2be3SAdheer Chandravanshi fnode_sess->auto_snd_tgt_disable = 63881e9e2be3SAdheer Chandravanshi fnode_param->value[0]; 63891e9e2be3SAdheer Chandravanshi break; 63901e9e2be3SAdheer Chandravanshi case ISCSI_FLASHNODE_DISCOVERY_SESS: 63911e9e2be3SAdheer Chandravanshi fnode_sess->discovery_sess = fnode_param->value[0]; 63921e9e2be3SAdheer Chandravanshi break; 63931e9e2be3SAdheer Chandravanshi case ISCSI_FLASHNODE_ENTRY_EN: 63941e9e2be3SAdheer Chandravanshi fnode_sess->entry_state = fnode_param->value[0]; 63951e9e2be3SAdheer Chandravanshi break; 63961e9e2be3SAdheer Chandravanshi case ISCSI_FLASHNODE_HDR_DGST_EN: 63971e9e2be3SAdheer Chandravanshi fnode_conn->hdrdgst_en = fnode_param->value[0]; 63981e9e2be3SAdheer Chandravanshi break; 63991e9e2be3SAdheer Chandravanshi case ISCSI_FLASHNODE_DATA_DGST_EN: 64001e9e2be3SAdheer Chandravanshi fnode_conn->datadgst_en = fnode_param->value[0]; 64011e9e2be3SAdheer Chandravanshi break; 64021e9e2be3SAdheer Chandravanshi case ISCSI_FLASHNODE_IMM_DATA_EN: 64031e9e2be3SAdheer Chandravanshi fnode_sess->imm_data_en = fnode_param->value[0]; 64041e9e2be3SAdheer Chandravanshi break; 64051e9e2be3SAdheer Chandravanshi case ISCSI_FLASHNODE_INITIAL_R2T_EN: 64061e9e2be3SAdheer Chandravanshi fnode_sess->initial_r2t_en = fnode_param->value[0]; 64071e9e2be3SAdheer Chandravanshi break; 64081e9e2be3SAdheer Chandravanshi case ISCSI_FLASHNODE_DATASEQ_INORDER: 64091e9e2be3SAdheer Chandravanshi fnode_sess->dataseq_inorder_en = fnode_param->value[0]; 64101e9e2be3SAdheer Chandravanshi break; 64111e9e2be3SAdheer Chandravanshi case ISCSI_FLASHNODE_PDU_INORDER: 64121e9e2be3SAdheer Chandravanshi fnode_sess->pdu_inorder_en = fnode_param->value[0]; 64131e9e2be3SAdheer Chandravanshi break; 64141e9e2be3SAdheer Chandravanshi case ISCSI_FLASHNODE_CHAP_AUTH_EN: 64151e9e2be3SAdheer Chandravanshi fnode_sess->chap_auth_en = fnode_param->value[0]; 64161e9e2be3SAdheer Chandravanshi break; 64171e9e2be3SAdheer Chandravanshi case ISCSI_FLASHNODE_SNACK_REQ_EN: 64181e9e2be3SAdheer Chandravanshi fnode_conn->snack_req_en = fnode_param->value[0]; 64191e9e2be3SAdheer Chandravanshi break; 64201e9e2be3SAdheer Chandravanshi case ISCSI_FLASHNODE_DISCOVERY_LOGOUT_EN: 64211e9e2be3SAdheer Chandravanshi fnode_sess->discovery_logout_en = fnode_param->value[0]; 64221e9e2be3SAdheer Chandravanshi break; 64231e9e2be3SAdheer Chandravanshi case ISCSI_FLASHNODE_BIDI_CHAP_EN: 64241e9e2be3SAdheer Chandravanshi fnode_sess->bidi_chap_en = fnode_param->value[0]; 64251e9e2be3SAdheer Chandravanshi break; 64261e9e2be3SAdheer Chandravanshi case ISCSI_FLASHNODE_DISCOVERY_AUTH_OPTIONAL: 64271e9e2be3SAdheer Chandravanshi fnode_sess->discovery_auth_optional = 64281e9e2be3SAdheer Chandravanshi fnode_param->value[0]; 64291e9e2be3SAdheer Chandravanshi break; 64301e9e2be3SAdheer Chandravanshi case ISCSI_FLASHNODE_ERL: 64311e9e2be3SAdheer Chandravanshi fnode_sess->erl = fnode_param->value[0]; 64321e9e2be3SAdheer Chandravanshi break; 64331e9e2be3SAdheer Chandravanshi case ISCSI_FLASHNODE_TCP_TIMESTAMP_STAT: 64341e9e2be3SAdheer Chandravanshi fnode_conn->tcp_timestamp_stat = fnode_param->value[0]; 64351e9e2be3SAdheer Chandravanshi break; 64361e9e2be3SAdheer Chandravanshi case ISCSI_FLASHNODE_TCP_NAGLE_DISABLE: 64371e9e2be3SAdheer Chandravanshi fnode_conn->tcp_nagle_disable = fnode_param->value[0]; 64381e9e2be3SAdheer Chandravanshi break; 64391e9e2be3SAdheer Chandravanshi case ISCSI_FLASHNODE_TCP_WSF_DISABLE: 64401e9e2be3SAdheer Chandravanshi fnode_conn->tcp_wsf_disable = fnode_param->value[0]; 64411e9e2be3SAdheer Chandravanshi break; 64421e9e2be3SAdheer Chandravanshi case ISCSI_FLASHNODE_TCP_TIMER_SCALE: 64431e9e2be3SAdheer Chandravanshi fnode_conn->tcp_timer_scale = fnode_param->value[0]; 64441e9e2be3SAdheer Chandravanshi break; 64451e9e2be3SAdheer Chandravanshi case ISCSI_FLASHNODE_TCP_TIMESTAMP_EN: 64461e9e2be3SAdheer Chandravanshi fnode_conn->tcp_timestamp_en = fnode_param->value[0]; 64471e9e2be3SAdheer Chandravanshi break; 64481e9e2be3SAdheer Chandravanshi case ISCSI_FLASHNODE_IP_FRAG_DISABLE: 64491e9e2be3SAdheer Chandravanshi fnode_conn->fragment_disable = fnode_param->value[0]; 64501e9e2be3SAdheer Chandravanshi break; 64511e9e2be3SAdheer Chandravanshi case ISCSI_FLASHNODE_MAX_RECV_DLENGTH: 64521e9e2be3SAdheer Chandravanshi fnode_conn->max_recv_dlength = 64531e9e2be3SAdheer Chandravanshi *(unsigned *)fnode_param->value; 64541e9e2be3SAdheer Chandravanshi break; 64551e9e2be3SAdheer Chandravanshi case ISCSI_FLASHNODE_MAX_XMIT_DLENGTH: 64561e9e2be3SAdheer Chandravanshi fnode_conn->max_xmit_dlength = 64571e9e2be3SAdheer Chandravanshi *(unsigned *)fnode_param->value; 64581e9e2be3SAdheer Chandravanshi break; 64591e9e2be3SAdheer Chandravanshi case ISCSI_FLASHNODE_FIRST_BURST: 64601e9e2be3SAdheer Chandravanshi fnode_sess->first_burst = 64611e9e2be3SAdheer Chandravanshi *(unsigned *)fnode_param->value; 64621e9e2be3SAdheer Chandravanshi break; 64631e9e2be3SAdheer Chandravanshi case ISCSI_FLASHNODE_DEF_TIME2WAIT: 64641e9e2be3SAdheer Chandravanshi fnode_sess->time2wait = *(uint16_t *)fnode_param->value; 64651e9e2be3SAdheer Chandravanshi break; 64661e9e2be3SAdheer Chandravanshi case ISCSI_FLASHNODE_DEF_TIME2RETAIN: 64671e9e2be3SAdheer Chandravanshi fnode_sess->time2retain = 64681e9e2be3SAdheer Chandravanshi *(uint16_t *)fnode_param->value; 64691e9e2be3SAdheer Chandravanshi break; 64701e9e2be3SAdheer Chandravanshi case ISCSI_FLASHNODE_MAX_R2T: 64711e9e2be3SAdheer Chandravanshi fnode_sess->max_r2t = 64721e9e2be3SAdheer Chandravanshi *(uint16_t *)fnode_param->value; 64731e9e2be3SAdheer Chandravanshi break; 64741e9e2be3SAdheer Chandravanshi case ISCSI_FLASHNODE_KEEPALIVE_TMO: 64751e9e2be3SAdheer Chandravanshi fnode_conn->keepalive_timeout = 64761e9e2be3SAdheer Chandravanshi *(uint16_t *)fnode_param->value; 64771e9e2be3SAdheer Chandravanshi break; 64781e9e2be3SAdheer Chandravanshi case ISCSI_FLASHNODE_ISID: 64791e9e2be3SAdheer Chandravanshi memcpy(fnode_sess->isid, fnode_param->value, 64801e9e2be3SAdheer Chandravanshi sizeof(fnode_sess->isid)); 64811e9e2be3SAdheer Chandravanshi break; 64821e9e2be3SAdheer Chandravanshi case ISCSI_FLASHNODE_TSID: 64831e9e2be3SAdheer Chandravanshi fnode_sess->tsid = *(uint16_t *)fnode_param->value; 64841e9e2be3SAdheer Chandravanshi break; 64851e9e2be3SAdheer Chandravanshi case ISCSI_FLASHNODE_PORT: 64861e9e2be3SAdheer Chandravanshi fnode_conn->port = *(uint16_t *)fnode_param->value; 64871e9e2be3SAdheer Chandravanshi break; 64881e9e2be3SAdheer Chandravanshi case ISCSI_FLASHNODE_MAX_BURST: 64891e9e2be3SAdheer Chandravanshi fnode_sess->max_burst = *(unsigned *)fnode_param->value; 64901e9e2be3SAdheer Chandravanshi break; 64911e9e2be3SAdheer Chandravanshi case ISCSI_FLASHNODE_DEF_TASKMGMT_TMO: 64921e9e2be3SAdheer Chandravanshi fnode_sess->default_taskmgmt_timeout = 64931e9e2be3SAdheer Chandravanshi *(uint16_t *)fnode_param->value; 64941e9e2be3SAdheer Chandravanshi break; 64951e9e2be3SAdheer Chandravanshi case ISCSI_FLASHNODE_IPADDR: 64961e9e2be3SAdheer Chandravanshi memcpy(fnode_conn->ipaddress, fnode_param->value, 64971e9e2be3SAdheer Chandravanshi IPv6_ADDR_LEN); 64981e9e2be3SAdheer Chandravanshi break; 64991e9e2be3SAdheer Chandravanshi case ISCSI_FLASHNODE_ALIAS: 65001e9e2be3SAdheer Chandravanshi rc = iscsi_switch_str_param(&fnode_sess->targetalias, 65011e9e2be3SAdheer Chandravanshi (char *)fnode_param->value); 65021e9e2be3SAdheer Chandravanshi break; 65031e9e2be3SAdheer Chandravanshi case ISCSI_FLASHNODE_REDIRECT_IPADDR: 65041e9e2be3SAdheer Chandravanshi memcpy(fnode_conn->redirect_ipaddr, fnode_param->value, 65051e9e2be3SAdheer Chandravanshi IPv6_ADDR_LEN); 65061e9e2be3SAdheer Chandravanshi break; 65071e9e2be3SAdheer Chandravanshi case ISCSI_FLASHNODE_MAX_SEGMENT_SIZE: 65081e9e2be3SAdheer Chandravanshi fnode_conn->max_segment_size = 65091e9e2be3SAdheer Chandravanshi *(unsigned *)fnode_param->value; 65101e9e2be3SAdheer Chandravanshi break; 65111e9e2be3SAdheer Chandravanshi case ISCSI_FLASHNODE_LOCAL_PORT: 65121e9e2be3SAdheer Chandravanshi fnode_conn->local_port = 65131e9e2be3SAdheer Chandravanshi *(uint16_t *)fnode_param->value; 65141e9e2be3SAdheer Chandravanshi break; 65151e9e2be3SAdheer Chandravanshi case ISCSI_FLASHNODE_IPV4_TOS: 65161e9e2be3SAdheer Chandravanshi fnode_conn->ipv4_tos = fnode_param->value[0]; 65171e9e2be3SAdheer Chandravanshi break; 65181e9e2be3SAdheer Chandravanshi case ISCSI_FLASHNODE_IPV6_TC: 65191e9e2be3SAdheer Chandravanshi fnode_conn->ipv6_traffic_class = fnode_param->value[0]; 65201e9e2be3SAdheer Chandravanshi break; 65211e9e2be3SAdheer Chandravanshi case ISCSI_FLASHNODE_IPV6_FLOW_LABEL: 65221e9e2be3SAdheer Chandravanshi fnode_conn->ipv6_flow_label = fnode_param->value[0]; 65231e9e2be3SAdheer Chandravanshi break; 65241e9e2be3SAdheer Chandravanshi case ISCSI_FLASHNODE_NAME: 65251e9e2be3SAdheer Chandravanshi rc = iscsi_switch_str_param(&fnode_sess->targetname, 65261e9e2be3SAdheer Chandravanshi (char *)fnode_param->value); 65271e9e2be3SAdheer Chandravanshi break; 65281e9e2be3SAdheer Chandravanshi case ISCSI_FLASHNODE_TPGT: 65291e9e2be3SAdheer Chandravanshi fnode_sess->tpgt = *(uint16_t *)fnode_param->value; 65301e9e2be3SAdheer Chandravanshi break; 65311e9e2be3SAdheer Chandravanshi case ISCSI_FLASHNODE_LINK_LOCAL_IPV6: 65321e9e2be3SAdheer Chandravanshi memcpy(fnode_conn->link_local_ipv6_addr, 65331e9e2be3SAdheer Chandravanshi fnode_param->value, IPv6_ADDR_LEN); 65341e9e2be3SAdheer Chandravanshi break; 65351e9e2be3SAdheer Chandravanshi case ISCSI_FLASHNODE_DISCOVERY_PARENT_TYPE: 65361e9e2be3SAdheer Chandravanshi fnode_sess->discovery_parent_type = 65371e9e2be3SAdheer Chandravanshi *(uint16_t *)fnode_param->value; 65381e9e2be3SAdheer Chandravanshi break; 65391e9e2be3SAdheer Chandravanshi case ISCSI_FLASHNODE_TCP_XMIT_WSF: 65401e9e2be3SAdheer Chandravanshi fnode_conn->tcp_xmit_wsf = 65411e9e2be3SAdheer Chandravanshi *(uint8_t *)fnode_param->value; 65421e9e2be3SAdheer Chandravanshi break; 65431e9e2be3SAdheer Chandravanshi case ISCSI_FLASHNODE_TCP_RECV_WSF: 65441e9e2be3SAdheer Chandravanshi fnode_conn->tcp_recv_wsf = 65451e9e2be3SAdheer Chandravanshi *(uint8_t *)fnode_param->value; 65461e9e2be3SAdheer Chandravanshi break; 65471e9e2be3SAdheer Chandravanshi case ISCSI_FLASHNODE_STATSN: 65481e9e2be3SAdheer Chandravanshi fnode_conn->statsn = *(uint32_t *)fnode_param->value; 65491e9e2be3SAdheer Chandravanshi break; 65501e9e2be3SAdheer Chandravanshi case ISCSI_FLASHNODE_EXP_STATSN: 65511e9e2be3SAdheer Chandravanshi fnode_conn->exp_statsn = 65521e9e2be3SAdheer Chandravanshi *(uint32_t *)fnode_param->value; 65531e9e2be3SAdheer Chandravanshi break; 65541e9e2be3SAdheer Chandravanshi default: 65551e9e2be3SAdheer Chandravanshi ql4_printk(KERN_ERR, ha, 65561e9e2be3SAdheer Chandravanshi "%s: No such sysfs attribute\n", __func__); 65571e9e2be3SAdheer Chandravanshi rc = -ENOSYS; 65581e9e2be3SAdheer Chandravanshi goto exit_set_param; 65591e9e2be3SAdheer Chandravanshi } 65601e9e2be3SAdheer Chandravanshi } 65611e9e2be3SAdheer Chandravanshi 65621e9e2be3SAdheer Chandravanshi rc = qla4xxx_sysfs_ddb_apply(fnode_sess, fnode_conn); 65631e9e2be3SAdheer Chandravanshi 65641e9e2be3SAdheer Chandravanshi exit_set_param: 65651e9e2be3SAdheer Chandravanshi return rc; 65661e9e2be3SAdheer Chandravanshi } 65671e9e2be3SAdheer Chandravanshi 65681e9e2be3SAdheer Chandravanshi /** 65691e9e2be3SAdheer Chandravanshi * qla4xxx_sysfs_ddb_delete - Delete firmware DDB entry 65701e9e2be3SAdheer Chandravanshi * @fnode_sess: pointer to session attrs of flash ddb entry 65711e9e2be3SAdheer Chandravanshi * 65721e9e2be3SAdheer Chandravanshi * This invalidates the flash ddb entry at the given index 65731e9e2be3SAdheer Chandravanshi **/ 65741e9e2be3SAdheer Chandravanshi static int qla4xxx_sysfs_ddb_delete(struct iscsi_bus_flash_session *fnode_sess) 65751e9e2be3SAdheer Chandravanshi { 65761e9e2be3SAdheer Chandravanshi struct Scsi_Host *shost = iscsi_flash_session_to_shost(fnode_sess); 65771e9e2be3SAdheer Chandravanshi struct scsi_qla_host *ha = to_qla_host(shost); 65781e9e2be3SAdheer Chandravanshi uint32_t dev_db_start_offset; 65791e9e2be3SAdheer Chandravanshi uint32_t dev_db_end_offset; 65801e9e2be3SAdheer Chandravanshi struct dev_db_entry *fw_ddb_entry = NULL; 65811e9e2be3SAdheer Chandravanshi dma_addr_t fw_ddb_entry_dma; 65821e9e2be3SAdheer Chandravanshi uint16_t *ddb_cookie = NULL; 65831e9e2be3SAdheer Chandravanshi int target_id; 65841e9e2be3SAdheer Chandravanshi int rc = 0; 65851e9e2be3SAdheer Chandravanshi 65861e9e2be3SAdheer Chandravanshi if (!fnode_sess) { 65871e9e2be3SAdheer Chandravanshi rc = -EINVAL; 65881e9e2be3SAdheer Chandravanshi goto exit_ddb_del; 65891e9e2be3SAdheer Chandravanshi } 65901e9e2be3SAdheer Chandravanshi 65911e9e2be3SAdheer Chandravanshi if (fnode_sess->is_boot_target) { 65921e9e2be3SAdheer Chandravanshi rc = -EPERM; 65931e9e2be3SAdheer Chandravanshi DEBUG2(ql4_printk(KERN_ERR, ha, 65941e9e2be3SAdheer Chandravanshi "%s: Deletion of boot target entry is not permitted.\n", 65951e9e2be3SAdheer Chandravanshi __func__)); 65961e9e2be3SAdheer Chandravanshi goto exit_ddb_del; 65971e9e2be3SAdheer Chandravanshi } 65981e9e2be3SAdheer Chandravanshi 65991e9e2be3SAdheer Chandravanshi if (fnode_sess->flash_state == DEV_DB_NON_PERSISTENT) 66001e9e2be3SAdheer Chandravanshi goto sysfs_ddb_del; 66011e9e2be3SAdheer Chandravanshi 66021e9e2be3SAdheer Chandravanshi ddb_cookie = dma_alloc_coherent(&ha->pdev->dev, sizeof(*ddb_cookie), 66031e9e2be3SAdheer Chandravanshi &fw_ddb_entry_dma, GFP_KERNEL); 66041e9e2be3SAdheer Chandravanshi if (!ddb_cookie) { 66051e9e2be3SAdheer Chandravanshi rc = -ENOMEM; 66061e9e2be3SAdheer Chandravanshi DEBUG2(ql4_printk(KERN_ERR, ha, 66071e9e2be3SAdheer Chandravanshi "%s: Unable to allocate dma buffer\n", 66081e9e2be3SAdheer Chandravanshi __func__)); 66091e9e2be3SAdheer Chandravanshi goto exit_ddb_del; 66101e9e2be3SAdheer Chandravanshi } 66111e9e2be3SAdheer Chandravanshi 66121e9e2be3SAdheer Chandravanshi if (is_qla40XX(ha)) { 66131e9e2be3SAdheer Chandravanshi dev_db_start_offset = FLASH_OFFSET_DB_INFO; 66141e9e2be3SAdheer Chandravanshi } else { 66151e9e2be3SAdheer Chandravanshi dev_db_start_offset = FLASH_RAW_ACCESS_ADDR + 66161e9e2be3SAdheer Chandravanshi (ha->hw.flt_region_ddb << 2); 66171e9e2be3SAdheer Chandravanshi /* flt_ddb_size is DDB table size for both ports 66181e9e2be3SAdheer Chandravanshi * so divide it by 2 to calculate the offset for second port 66191e9e2be3SAdheer Chandravanshi */ 66201e9e2be3SAdheer Chandravanshi if (ha->port_num == 1) 66211e9e2be3SAdheer Chandravanshi dev_db_start_offset += (ha->hw.flt_ddb_size / 2); 66221e9e2be3SAdheer Chandravanshi } 66231e9e2be3SAdheer Chandravanshi 66241e9e2be3SAdheer Chandravanshi dev_db_end_offset = dev_db_start_offset + (ha->hw.flt_ddb_size / 2); 66251e9e2be3SAdheer Chandravanshi dev_db_start_offset += (fnode_sess->target_id * sizeof(*fw_ddb_entry)); 66261e9e2be3SAdheer Chandravanshi dev_db_start_offset += (void *)&(fw_ddb_entry->cookie) - 66271e9e2be3SAdheer Chandravanshi (void *)fw_ddb_entry; 66281e9e2be3SAdheer Chandravanshi 66291e9e2be3SAdheer Chandravanshi DEBUG2(ql4_printk(KERN_ERR, ha, "%s: start offset=%u, end offset=%u\n", 66301e9e2be3SAdheer Chandravanshi __func__, dev_db_start_offset, dev_db_end_offset)); 66311e9e2be3SAdheer Chandravanshi 66321e9e2be3SAdheer Chandravanshi if (dev_db_start_offset > dev_db_end_offset) { 66331e9e2be3SAdheer Chandravanshi rc = -EIO; 66341e9e2be3SAdheer Chandravanshi DEBUG2(ql4_printk(KERN_ERR, ha, "%s:Invalid DDB index %u\n", 66351e9e2be3SAdheer Chandravanshi __func__, fnode_sess->target_id)); 66361e9e2be3SAdheer Chandravanshi goto exit_ddb_del; 66371e9e2be3SAdheer Chandravanshi } 66381e9e2be3SAdheer Chandravanshi 66391e9e2be3SAdheer Chandravanshi /* invalidate the cookie */ 66401e9e2be3SAdheer Chandravanshi *ddb_cookie = 0xFFEE; 66411e9e2be3SAdheer Chandravanshi qla4xxx_set_flash(ha, fw_ddb_entry_dma, dev_db_start_offset, 66421e9e2be3SAdheer Chandravanshi sizeof(*ddb_cookie), FLASH_OPT_RMW_COMMIT); 66431e9e2be3SAdheer Chandravanshi 66441e9e2be3SAdheer Chandravanshi sysfs_ddb_del: 66451e9e2be3SAdheer Chandravanshi target_id = fnode_sess->target_id; 66461e9e2be3SAdheer Chandravanshi iscsi_destroy_flashnode_sess(fnode_sess); 66471e9e2be3SAdheer Chandravanshi ql4_printk(KERN_INFO, ha, 66481e9e2be3SAdheer Chandravanshi "%s: session and conn entries for flashnode %u of host %lu deleted\n", 66491e9e2be3SAdheer Chandravanshi __func__, target_id, ha->host_no); 66501e9e2be3SAdheer Chandravanshi exit_ddb_del: 66511e9e2be3SAdheer Chandravanshi if (ddb_cookie) 66521e9e2be3SAdheer Chandravanshi dma_free_coherent(&ha->pdev->dev, sizeof(*ddb_cookie), 66531e9e2be3SAdheer Chandravanshi ddb_cookie, fw_ddb_entry_dma); 66541e9e2be3SAdheer Chandravanshi return rc; 66551e9e2be3SAdheer Chandravanshi } 66561e9e2be3SAdheer Chandravanshi 66571e9e2be3SAdheer Chandravanshi /** 66581e9e2be3SAdheer Chandravanshi * qla4xxx_sysfs_ddb_export - Create sysfs entries for firmware DDBs 66591e9e2be3SAdheer Chandravanshi * @ha: pointer to adapter structure 66601e9e2be3SAdheer Chandravanshi * 66611e9e2be3SAdheer Chandravanshi * Export the firmware DDB for all send targets and normal targets to sysfs. 66621e9e2be3SAdheer Chandravanshi **/ 66631e9e2be3SAdheer Chandravanshi static int qla4xxx_sysfs_ddb_export(struct scsi_qla_host *ha) 66641e9e2be3SAdheer Chandravanshi { 66651e9e2be3SAdheer Chandravanshi struct dev_db_entry *fw_ddb_entry = NULL; 66661e9e2be3SAdheer Chandravanshi dma_addr_t fw_ddb_entry_dma; 66671e9e2be3SAdheer Chandravanshi uint16_t max_ddbs; 66681e9e2be3SAdheer Chandravanshi uint16_t idx = 0; 66691e9e2be3SAdheer Chandravanshi int ret = QLA_SUCCESS; 66701e9e2be3SAdheer Chandravanshi 66711e9e2be3SAdheer Chandravanshi fw_ddb_entry = dma_alloc_coherent(&ha->pdev->dev, 66721e9e2be3SAdheer Chandravanshi sizeof(*fw_ddb_entry), 66731e9e2be3SAdheer Chandravanshi &fw_ddb_entry_dma, GFP_KERNEL); 66741e9e2be3SAdheer Chandravanshi if (!fw_ddb_entry) { 66751e9e2be3SAdheer Chandravanshi DEBUG2(ql4_printk(KERN_ERR, ha, 66761e9e2be3SAdheer Chandravanshi "%s: Unable to allocate dma buffer\n", 66771e9e2be3SAdheer Chandravanshi __func__)); 66781e9e2be3SAdheer Chandravanshi return -ENOMEM; 66791e9e2be3SAdheer Chandravanshi } 66801e9e2be3SAdheer Chandravanshi 66811e9e2be3SAdheer Chandravanshi max_ddbs = is_qla40XX(ha) ? MAX_DEV_DB_ENTRIES_40XX : 66821e9e2be3SAdheer Chandravanshi MAX_DEV_DB_ENTRIES; 66831e9e2be3SAdheer Chandravanshi 66841e9e2be3SAdheer Chandravanshi for (idx = 0; idx < max_ddbs; idx++) { 66851e9e2be3SAdheer Chandravanshi if (qla4xxx_flashdb_by_index(ha, fw_ddb_entry, fw_ddb_entry_dma, 66861e9e2be3SAdheer Chandravanshi idx)) 66871e9e2be3SAdheer Chandravanshi continue; 66881e9e2be3SAdheer Chandravanshi 66891e9e2be3SAdheer Chandravanshi ret = qla4xxx_sysfs_ddb_tgt_create(ha, fw_ddb_entry, &idx, 0); 66901e9e2be3SAdheer Chandravanshi if (ret) { 66911e9e2be3SAdheer Chandravanshi ret = -EIO; 66921e9e2be3SAdheer Chandravanshi break; 66931e9e2be3SAdheer Chandravanshi } 66941e9e2be3SAdheer Chandravanshi } 66951e9e2be3SAdheer Chandravanshi 66961e9e2be3SAdheer Chandravanshi dma_free_coherent(&ha->pdev->dev, sizeof(*fw_ddb_entry), fw_ddb_entry, 66971e9e2be3SAdheer Chandravanshi fw_ddb_entry_dma); 66981e9e2be3SAdheer Chandravanshi 66991e9e2be3SAdheer Chandravanshi return ret; 67001e9e2be3SAdheer Chandravanshi } 67011e9e2be3SAdheer Chandravanshi 67021e9e2be3SAdheer Chandravanshi static void qla4xxx_sysfs_ddb_remove(struct scsi_qla_host *ha) 67031e9e2be3SAdheer Chandravanshi { 67041e9e2be3SAdheer Chandravanshi iscsi_destroy_all_flashnode(ha->host); 67051e9e2be3SAdheer Chandravanshi } 67061e9e2be3SAdheer Chandravanshi 67074a4bc2e9SLalit Chandivade /** 67084a4bc2e9SLalit Chandivade * qla4xxx_build_ddb_list - Build ddb list and setup sessions 67094a4bc2e9SLalit Chandivade * @ha: pointer to adapter structure 67104a4bc2e9SLalit Chandivade * @is_reset: Is this init path or reset path 67114a4bc2e9SLalit Chandivade * 67124a4bc2e9SLalit Chandivade * Create a list of sendtargets (st) from firmware DDBs, issue send targets 67134a4bc2e9SLalit Chandivade * using connection open, then create the list of normal targets (nt) 67144a4bc2e9SLalit Chandivade * from firmware DDBs. Based on the list of nt setup session and connection 67154a4bc2e9SLalit Chandivade * objects. 67164a4bc2e9SLalit Chandivade **/ 67174a4bc2e9SLalit Chandivade void qla4xxx_build_ddb_list(struct scsi_qla_host *ha, int is_reset) 67184a4bc2e9SLalit Chandivade { 67194a4bc2e9SLalit Chandivade uint16_t tmo = 0; 67204a4bc2e9SLalit Chandivade struct list_head list_st, list_nt; 67214a4bc2e9SLalit Chandivade struct qla_ddb_index *st_ddb_idx, *st_ddb_idx_tmp; 67224a4bc2e9SLalit Chandivade unsigned long wtime; 67234a4bc2e9SLalit Chandivade 67244a4bc2e9SLalit Chandivade if (!test_bit(AF_LINK_UP, &ha->flags)) { 67254a4bc2e9SLalit Chandivade set_bit(AF_BUILD_DDB_LIST, &ha->flags); 67264a4bc2e9SLalit Chandivade ha->is_reset = is_reset; 67274a4bc2e9SLalit Chandivade return; 67284a4bc2e9SLalit Chandivade } 67294a4bc2e9SLalit Chandivade 67304a4bc2e9SLalit Chandivade INIT_LIST_HEAD(&list_st); 67314a4bc2e9SLalit Chandivade INIT_LIST_HEAD(&list_nt); 67324a4bc2e9SLalit Chandivade 67334a4bc2e9SLalit Chandivade qla4xxx_build_st_list(ha, &list_st); 67344a4bc2e9SLalit Chandivade 673513483730SMike Christie /* Before issuing conn open mbox, ensure all IPs states are configured 673613483730SMike Christie * Note, conn open fails if IPs are not configured 673713483730SMike Christie */ 673813483730SMike Christie qla4xxx_wait_for_ip_configuration(ha); 673913483730SMike Christie 674013483730SMike Christie /* Go thru the STs and fire the sendtargets by issuing conn open mbx */ 674113483730SMike Christie list_for_each_entry_safe(st_ddb_idx, st_ddb_idx_tmp, &list_st, list) { 674213483730SMike Christie qla4xxx_conn_open(ha, st_ddb_idx->fw_ddb_idx); 674313483730SMike Christie } 674413483730SMike Christie 674513483730SMike Christie /* Wait to ensure all sendtargets are done for min 12 sec wait */ 6746c28eaacaSNilesh Javali tmo = ((ha->def_timeout > LOGIN_TOV) && 6747c28eaacaSNilesh Javali (ha->def_timeout < LOGIN_TOV * 10) ? 6748c28eaacaSNilesh Javali ha->def_timeout : LOGIN_TOV); 6749c28eaacaSNilesh Javali 675013483730SMike Christie DEBUG2(ql4_printk(KERN_INFO, ha, 675113483730SMike Christie "Default time to wait for build ddb %d\n", tmo)); 675213483730SMike Christie 675313483730SMike Christie wtime = jiffies + (HZ * tmo); 675413483730SMike Christie do { 6755f1f2e60eSNilesh Javali if (list_empty(&list_st)) 6756f1f2e60eSNilesh Javali break; 6757f1f2e60eSNilesh Javali 67584a4bc2e9SLalit Chandivade qla4xxx_remove_failed_ddb(ha, &list_st); 675913483730SMike Christie schedule_timeout_uninterruptible(HZ / 10); 676013483730SMike Christie } while (time_after(wtime, jiffies)); 676113483730SMike Christie 676213483730SMike Christie /* Free up the sendtargets list */ 67634a4bc2e9SLalit Chandivade qla4xxx_free_ddb_list(&list_st); 676413483730SMike Christie 67654a4bc2e9SLalit Chandivade qla4xxx_build_nt_list(ha, &list_nt, is_reset); 676613483730SMike Christie 67674a4bc2e9SLalit Chandivade qla4xxx_free_ddb_list(&list_nt); 676813483730SMike Christie 676913483730SMike Christie qla4xxx_free_ddb_index(ha); 677013483730SMike Christie } 677113483730SMike Christie 6772afaf5a2dSDavid Somayajulu /** 67731dc8ed5dSManish Rangankar * qla4xxx_wait_login_resp_boot_tgt - Wait for iSCSI boot target login 67741dc8ed5dSManish Rangankar * response. 67751dc8ed5dSManish Rangankar * @ha: pointer to adapter structure 67761dc8ed5dSManish Rangankar * 67771dc8ed5dSManish Rangankar * When the boot entry is normal iSCSI target then DF_BOOT_TGT flag will be 67781dc8ed5dSManish Rangankar * set in DDB and we will wait for login response of boot targets during 67791dc8ed5dSManish Rangankar * probe. 67801dc8ed5dSManish Rangankar **/ 67811dc8ed5dSManish Rangankar static void qla4xxx_wait_login_resp_boot_tgt(struct scsi_qla_host *ha) 67821dc8ed5dSManish Rangankar { 67831dc8ed5dSManish Rangankar struct ddb_entry *ddb_entry; 67841dc8ed5dSManish Rangankar struct dev_db_entry *fw_ddb_entry = NULL; 67851dc8ed5dSManish Rangankar dma_addr_t fw_ddb_entry_dma; 67861dc8ed5dSManish Rangankar unsigned long wtime; 67871dc8ed5dSManish Rangankar uint32_t ddb_state; 67881dc8ed5dSManish Rangankar int max_ddbs, idx, ret; 67891dc8ed5dSManish Rangankar 67901dc8ed5dSManish Rangankar max_ddbs = is_qla40XX(ha) ? MAX_DEV_DB_ENTRIES_40XX : 67911dc8ed5dSManish Rangankar MAX_DEV_DB_ENTRIES; 67921dc8ed5dSManish Rangankar 67931dc8ed5dSManish Rangankar fw_ddb_entry = dma_alloc_coherent(&ha->pdev->dev, sizeof(*fw_ddb_entry), 67941dc8ed5dSManish Rangankar &fw_ddb_entry_dma, GFP_KERNEL); 67951dc8ed5dSManish Rangankar if (!fw_ddb_entry) { 67961dc8ed5dSManish Rangankar ql4_printk(KERN_ERR, ha, 67971dc8ed5dSManish Rangankar "%s: Unable to allocate dma buffer\n", __func__); 67981dc8ed5dSManish Rangankar goto exit_login_resp; 67991dc8ed5dSManish Rangankar } 68001dc8ed5dSManish Rangankar 68011dc8ed5dSManish Rangankar wtime = jiffies + (HZ * BOOT_LOGIN_RESP_TOV); 68021dc8ed5dSManish Rangankar 68031dc8ed5dSManish Rangankar for (idx = 0; idx < max_ddbs; idx++) { 68041dc8ed5dSManish Rangankar ddb_entry = qla4xxx_lookup_ddb_by_fw_index(ha, idx); 68051dc8ed5dSManish Rangankar if (ddb_entry == NULL) 68061dc8ed5dSManish Rangankar continue; 68071dc8ed5dSManish Rangankar 68081dc8ed5dSManish Rangankar if (test_bit(DF_BOOT_TGT, &ddb_entry->flags)) { 68091dc8ed5dSManish Rangankar DEBUG2(ql4_printk(KERN_INFO, ha, 68101dc8ed5dSManish Rangankar "%s: DDB index [%d]\n", __func__, 68111dc8ed5dSManish Rangankar ddb_entry->fw_ddb_index)); 68121dc8ed5dSManish Rangankar do { 68131dc8ed5dSManish Rangankar ret = qla4xxx_get_fwddb_entry(ha, 68141dc8ed5dSManish Rangankar ddb_entry->fw_ddb_index, 68151dc8ed5dSManish Rangankar fw_ddb_entry, fw_ddb_entry_dma, 68161dc8ed5dSManish Rangankar NULL, NULL, &ddb_state, NULL, 68171dc8ed5dSManish Rangankar NULL, NULL); 68181dc8ed5dSManish Rangankar if (ret == QLA_ERROR) 68191dc8ed5dSManish Rangankar goto exit_login_resp; 68201dc8ed5dSManish Rangankar 68211dc8ed5dSManish Rangankar if ((ddb_state == DDB_DS_SESSION_ACTIVE) || 68221dc8ed5dSManish Rangankar (ddb_state == DDB_DS_SESSION_FAILED)) 68231dc8ed5dSManish Rangankar break; 68241dc8ed5dSManish Rangankar 68251dc8ed5dSManish Rangankar schedule_timeout_uninterruptible(HZ); 68261dc8ed5dSManish Rangankar 68271dc8ed5dSManish Rangankar } while ((time_after(wtime, jiffies))); 68281dc8ed5dSManish Rangankar 68291dc8ed5dSManish Rangankar if (!time_after(wtime, jiffies)) { 68301dc8ed5dSManish Rangankar DEBUG2(ql4_printk(KERN_INFO, ha, 68311dc8ed5dSManish Rangankar "%s: Login response wait timer expired\n", 68321dc8ed5dSManish Rangankar __func__)); 68331dc8ed5dSManish Rangankar goto exit_login_resp; 68341dc8ed5dSManish Rangankar } 68351dc8ed5dSManish Rangankar } 68361dc8ed5dSManish Rangankar } 68371dc8ed5dSManish Rangankar 68381dc8ed5dSManish Rangankar exit_login_resp: 68391dc8ed5dSManish Rangankar if (fw_ddb_entry) 68401dc8ed5dSManish Rangankar dma_free_coherent(&ha->pdev->dev, sizeof(*fw_ddb_entry), 68411dc8ed5dSManish Rangankar fw_ddb_entry, fw_ddb_entry_dma); 68421dc8ed5dSManish Rangankar } 68431dc8ed5dSManish Rangankar 68441dc8ed5dSManish Rangankar /** 6845afaf5a2dSDavid Somayajulu * qla4xxx_probe_adapter - callback function to probe HBA 6846afaf5a2dSDavid Somayajulu * @pdev: pointer to pci_dev structure 6847afaf5a2dSDavid Somayajulu * @pci_device_id: pointer to pci_device entry 6848afaf5a2dSDavid Somayajulu * 6849afaf5a2dSDavid Somayajulu * This routine will probe for Qlogic 4xxx iSCSI host adapters. 6850afaf5a2dSDavid Somayajulu * It returns zero if successful. It also initializes all data necessary for 6851afaf5a2dSDavid Somayajulu * the driver. 6852afaf5a2dSDavid Somayajulu **/ 68536f039790SGreg Kroah-Hartman static int qla4xxx_probe_adapter(struct pci_dev *pdev, 6854afaf5a2dSDavid Somayajulu const struct pci_device_id *ent) 6855afaf5a2dSDavid Somayajulu { 6856afaf5a2dSDavid Somayajulu int ret = -ENODEV, status; 6857afaf5a2dSDavid Somayajulu struct Scsi_Host *host; 6858afaf5a2dSDavid Somayajulu struct scsi_qla_host *ha; 6859afaf5a2dSDavid Somayajulu uint8_t init_retry_count = 0; 6860afaf5a2dSDavid Somayajulu char buf[34]; 6861f4f5df23SVikas Chaudhary struct qla4_8xxx_legacy_intr_set *nx_legacy_intr; 6862f9880e76SPrasanna Mumbai uint32_t dev_state; 6863afaf5a2dSDavid Somayajulu 6864afaf5a2dSDavid Somayajulu if (pci_enable_device(pdev)) 6865afaf5a2dSDavid Somayajulu return -1; 6866afaf5a2dSDavid Somayajulu 6867b3a271a9SManish Rangankar host = iscsi_host_alloc(&qla4xxx_driver_template, sizeof(*ha), 0); 6868afaf5a2dSDavid Somayajulu if (host == NULL) { 6869afaf5a2dSDavid Somayajulu printk(KERN_WARNING 6870afaf5a2dSDavid Somayajulu "qla4xxx: Couldn't allocate host from scsi layer!\n"); 6871afaf5a2dSDavid Somayajulu goto probe_disable_device; 6872afaf5a2dSDavid Somayajulu } 6873afaf5a2dSDavid Somayajulu 6874afaf5a2dSDavid Somayajulu /* Clear our data area */ 6875b3a271a9SManish Rangankar ha = to_qla_host(host); 6876afaf5a2dSDavid Somayajulu memset(ha, 0, sizeof(*ha)); 6877afaf5a2dSDavid Somayajulu 6878afaf5a2dSDavid Somayajulu /* Save the information from PCI BIOS. */ 6879afaf5a2dSDavid Somayajulu ha->pdev = pdev; 6880afaf5a2dSDavid Somayajulu ha->host = host; 6881afaf5a2dSDavid Somayajulu ha->host_no = host->host_no; 68826e7b4292SVikas Chaudhary ha->func_num = PCI_FUNC(ha->pdev->devfn); 6883afaf5a2dSDavid Somayajulu 68842232be0dSLalit Chandivade pci_enable_pcie_error_reporting(pdev); 68852232be0dSLalit Chandivade 6886f4f5df23SVikas Chaudhary /* Setup Runtime configurable options */ 6887f4f5df23SVikas Chaudhary if (is_qla8022(ha)) { 68887664a1fdSVikas Chaudhary ha->isp_ops = &qla4_82xx_isp_ops; 688933693c7aSVikas Chaudhary ha->reg_tbl = (uint32_t *) qla4_82xx_reg_tbl; 6890f4f5df23SVikas Chaudhary ha->qdr_sn_window = -1; 6891f4f5df23SVikas Chaudhary ha->ddr_mn_window = -1; 6892f4f5df23SVikas Chaudhary ha->curr_window = 255; 6893f4f5df23SVikas Chaudhary nx_legacy_intr = &legacy_intr[ha->func_num]; 6894f4f5df23SVikas Chaudhary ha->nx_legacy_intr.int_vec_bit = nx_legacy_intr->int_vec_bit; 6895f4f5df23SVikas Chaudhary ha->nx_legacy_intr.tgt_status_reg = 6896f4f5df23SVikas Chaudhary nx_legacy_intr->tgt_status_reg; 6897f4f5df23SVikas Chaudhary ha->nx_legacy_intr.tgt_mask_reg = nx_legacy_intr->tgt_mask_reg; 6898f4f5df23SVikas Chaudhary ha->nx_legacy_intr.pci_int_reg = nx_legacy_intr->pci_int_reg; 68996e7b4292SVikas Chaudhary } else if (is_qla8032(ha)) { 69006e7b4292SVikas Chaudhary ha->isp_ops = &qla4_83xx_isp_ops; 69016e7b4292SVikas Chaudhary ha->reg_tbl = (uint32_t *)qla4_83xx_reg_tbl; 6902f4f5df23SVikas Chaudhary } else { 6903f4f5df23SVikas Chaudhary ha->isp_ops = &qla4xxx_isp_ops; 6904f4f5df23SVikas Chaudhary } 6905f4f5df23SVikas Chaudhary 69066e7b4292SVikas Chaudhary if (is_qla80XX(ha)) { 69076e7b4292SVikas Chaudhary rwlock_init(&ha->hw_lock); 69086e7b4292SVikas Chaudhary ha->pf_bit = ha->func_num << 16; 69092232be0dSLalit Chandivade /* Set EEH reset type to fundamental if required by hba */ 69102232be0dSLalit Chandivade pdev->needs_freset = 1; 69116e7b4292SVikas Chaudhary } 69122232be0dSLalit Chandivade 6913afaf5a2dSDavid Somayajulu /* Configure PCI I/O space. */ 6914f4f5df23SVikas Chaudhary ret = ha->isp_ops->iospace_config(ha); 6915afaf5a2dSDavid Somayajulu if (ret) 6916f4f5df23SVikas Chaudhary goto probe_failed_ioconfig; 6917afaf5a2dSDavid Somayajulu 6918c2660df3SVikas Chaudhary ql4_printk(KERN_INFO, ha, "Found an ISP%04x, irq %d, iobase 0x%p\n", 6919afaf5a2dSDavid Somayajulu pdev->device, pdev->irq, ha->reg); 6920afaf5a2dSDavid Somayajulu 6921afaf5a2dSDavid Somayajulu qla4xxx_config_dma_addressing(ha); 6922afaf5a2dSDavid Somayajulu 6923afaf5a2dSDavid Somayajulu /* Initialize lists and spinlocks. */ 6924afaf5a2dSDavid Somayajulu INIT_LIST_HEAD(&ha->free_srb_q); 6925afaf5a2dSDavid Somayajulu 6926afaf5a2dSDavid Somayajulu mutex_init(&ha->mbox_sem); 69274549415aSLalit Chandivade mutex_init(&ha->chap_sem); 6928f4f5df23SVikas Chaudhary init_completion(&ha->mbx_intr_comp); 692995d31262SVikas Chaudhary init_completion(&ha->disable_acb_comp); 6930afaf5a2dSDavid Somayajulu 6931afaf5a2dSDavid Somayajulu spin_lock_init(&ha->hardware_lock); 69328e9157c8SVikas Chaudhary spin_lock_init(&ha->work_lock); 6933afaf5a2dSDavid Somayajulu 6934ff884430SVikas Chaudhary /* Initialize work list */ 6935ff884430SVikas Chaudhary INIT_LIST_HEAD(&ha->work_list); 6936ff884430SVikas Chaudhary 6937afaf5a2dSDavid Somayajulu /* Allocate dma buffers */ 6938afaf5a2dSDavid Somayajulu if (qla4xxx_mem_alloc(ha)) { 6939c2660df3SVikas Chaudhary ql4_printk(KERN_WARNING, ha, 6940afaf5a2dSDavid Somayajulu "[ERROR] Failed to allocate memory for adapter\n"); 6941afaf5a2dSDavid Somayajulu 6942afaf5a2dSDavid Somayajulu ret = -ENOMEM; 6943afaf5a2dSDavid Somayajulu goto probe_failed; 6944afaf5a2dSDavid Somayajulu } 6945afaf5a2dSDavid Somayajulu 6946b3a271a9SManish Rangankar host->cmd_per_lun = 3; 6947b3a271a9SManish Rangankar host->max_channel = 0; 6948b3a271a9SManish Rangankar host->max_lun = MAX_LUNS - 1; 6949b3a271a9SManish Rangankar host->max_id = MAX_TARGETS; 6950b3a271a9SManish Rangankar host->max_cmd_len = IOCB_MAX_CDB_LEN; 6951b3a271a9SManish Rangankar host->can_queue = MAX_SRBS ; 6952b3a271a9SManish Rangankar host->transportt = qla4xxx_scsi_transport; 6953b3a271a9SManish Rangankar 6954b3a271a9SManish Rangankar ret = scsi_init_shared_tag_map(host, MAX_SRBS); 6955b3a271a9SManish Rangankar if (ret) { 6956b3a271a9SManish Rangankar ql4_printk(KERN_WARNING, ha, 6957b3a271a9SManish Rangankar "%s: scsi_init_shared_tag_map failed\n", __func__); 6958b3a271a9SManish Rangankar goto probe_failed; 6959b3a271a9SManish Rangankar } 6960b3a271a9SManish Rangankar 6961b3a271a9SManish Rangankar pci_set_drvdata(pdev, ha); 6962b3a271a9SManish Rangankar 6963b3a271a9SManish Rangankar ret = scsi_add_host(host, &pdev->dev); 6964b3a271a9SManish Rangankar if (ret) 6965b3a271a9SManish Rangankar goto probe_failed; 6966b3a271a9SManish Rangankar 69676e7b4292SVikas Chaudhary if (is_qla80XX(ha)) 69686e7b4292SVikas Chaudhary qla4_8xxx_get_flash_info(ha); 69696e7b4292SVikas Chaudhary 69706e7b4292SVikas Chaudhary if (is_qla8032(ha)) { 69716e7b4292SVikas Chaudhary qla4_83xx_read_reset_template(ha); 69726e7b4292SVikas Chaudhary /* 69736e7b4292SVikas Chaudhary * NOTE: If ql4dontresethba==1, set IDC_CTRL DONTRESET_BIT0. 69746e7b4292SVikas Chaudhary * If DONRESET_BIT0 is set, drivers should not set dev_state 69756e7b4292SVikas Chaudhary * to NEED_RESET. But if NEED_RESET is set, drivers should 69766e7b4292SVikas Chaudhary * should honor the reset. 69776e7b4292SVikas Chaudhary */ 69786e7b4292SVikas Chaudhary if (ql4xdontresethba == 1) 69796e7b4292SVikas Chaudhary qla4_83xx_set_idc_dontreset(ha); 69806e7b4292SVikas Chaudhary } 6981f4f5df23SVikas Chaudhary 6982afaf5a2dSDavid Somayajulu /* 6983afaf5a2dSDavid Somayajulu * Initialize the Host adapter request/response queues and 6984afaf5a2dSDavid Somayajulu * firmware 6985afaf5a2dSDavid Somayajulu * NOTE: interrupts enabled upon successful completion 6986afaf5a2dSDavid Somayajulu */ 698713483730SMike Christie status = qla4xxx_initialize_adapter(ha, INIT_ADAPTER); 69887977f825SPoornima Vonti 69897977f825SPoornima Vonti /* Dont retry adapter initialization if IRQ allocation failed */ 699017801c96SNilesh Javali if (is_qla80XX(ha) && !test_bit(AF_IRQ_ATTACHED, &ha->flags)) { 699117801c96SNilesh Javali ql4_printk(KERN_WARNING, ha, "%s: Skipping retry of adapter initialization\n", 699217801c96SNilesh Javali __func__); 69937977f825SPoornima Vonti goto skip_retry_init; 699417801c96SNilesh Javali } 69957977f825SPoornima Vonti 6996f4f5df23SVikas Chaudhary while ((!test_bit(AF_ONLINE, &ha->flags)) && 6997f4f5df23SVikas Chaudhary init_retry_count++ < MAX_INIT_RETRIES) { 6998f9880e76SPrasanna Mumbai 69996e7b4292SVikas Chaudhary if (is_qla80XX(ha)) { 700033693c7aSVikas Chaudhary ha->isp_ops->idc_lock(ha); 700133693c7aSVikas Chaudhary dev_state = qla4_8xxx_rd_direct(ha, 7002e951aca1SVikas Chaudhary QLA8XXX_CRB_DEV_STATE); 700333693c7aSVikas Chaudhary ha->isp_ops->idc_unlock(ha); 7004de8c72daSVikas Chaudhary if (dev_state == QLA8XXX_DEV_FAILED) { 7005f9880e76SPrasanna Mumbai ql4_printk(KERN_WARNING, ha, "%s: don't retry " 7006f9880e76SPrasanna Mumbai "initialize adapter. H/W is in failed state\n", 7007f9880e76SPrasanna Mumbai __func__); 7008f9880e76SPrasanna Mumbai break; 7009f9880e76SPrasanna Mumbai } 7010f9880e76SPrasanna Mumbai } 7011afaf5a2dSDavid Somayajulu DEBUG2(printk("scsi: %s: retrying adapter initialization " 7012afaf5a2dSDavid Somayajulu "(%d)\n", __func__, init_retry_count)); 7013f4f5df23SVikas Chaudhary 7014f4f5df23SVikas Chaudhary if (ha->isp_ops->reset_chip(ha) == QLA_ERROR) 7015f4f5df23SVikas Chaudhary continue; 7016f4f5df23SVikas Chaudhary 701713483730SMike Christie status = qla4xxx_initialize_adapter(ha, INIT_ADAPTER); 7018afaf5a2dSDavid Somayajulu } 7019f4f5df23SVikas Chaudhary 70207977f825SPoornima Vonti skip_retry_init: 7021f4f5df23SVikas Chaudhary if (!test_bit(AF_ONLINE, &ha->flags)) { 7022c2660df3SVikas Chaudhary ql4_printk(KERN_WARNING, ha, "Failed to initialize adapter\n"); 7023afaf5a2dSDavid Somayajulu 70246e7b4292SVikas Chaudhary if ((is_qla8022(ha) && ql4xdontresethba) || 70256e7b4292SVikas Chaudhary (is_qla8032(ha) && qla4_83xx_idc_dontreset(ha))) { 7026fe998527SLalit Chandivade /* Put the device in failed state. */ 7027fe998527SLalit Chandivade DEBUG2(printk(KERN_ERR "HW STATE: FAILED\n")); 702833693c7aSVikas Chaudhary ha->isp_ops->idc_lock(ha); 702933693c7aSVikas Chaudhary qla4_8xxx_wr_direct(ha, QLA8XXX_CRB_DEV_STATE, 7030de8c72daSVikas Chaudhary QLA8XXX_DEV_FAILED); 703133693c7aSVikas Chaudhary ha->isp_ops->idc_unlock(ha); 7032fe998527SLalit Chandivade } 7033afaf5a2dSDavid Somayajulu ret = -ENODEV; 7034b3a271a9SManish Rangankar goto remove_host; 7035afaf5a2dSDavid Somayajulu } 7036afaf5a2dSDavid Somayajulu 7037afaf5a2dSDavid Somayajulu /* Startup the kernel thread for this host adapter. */ 7038afaf5a2dSDavid Somayajulu DEBUG2(printk("scsi: %s: Starting kernel thread for " 7039afaf5a2dSDavid Somayajulu "qla4xxx_dpc\n", __func__)); 7040afaf5a2dSDavid Somayajulu sprintf(buf, "qla4xxx_%lu_dpc", ha->host_no); 7041afaf5a2dSDavid Somayajulu ha->dpc_thread = create_singlethread_workqueue(buf); 7042afaf5a2dSDavid Somayajulu if (!ha->dpc_thread) { 7043c2660df3SVikas Chaudhary ql4_printk(KERN_WARNING, ha, "Unable to start DPC thread!\n"); 7044afaf5a2dSDavid Somayajulu ret = -ENODEV; 7045b3a271a9SManish Rangankar goto remove_host; 7046afaf5a2dSDavid Somayajulu } 7047c4028958SDavid Howells INIT_WORK(&ha->dpc_work, qla4xxx_do_dpc); 7048afaf5a2dSDavid Somayajulu 7049b3a271a9SManish Rangankar sprintf(buf, "qla4xxx_%lu_task", ha->host_no); 7050b3a271a9SManish Rangankar ha->task_wq = alloc_workqueue(buf, WQ_MEM_RECLAIM, 1); 7051b3a271a9SManish Rangankar if (!ha->task_wq) { 7052b3a271a9SManish Rangankar ql4_printk(KERN_WARNING, ha, "Unable to start task thread!\n"); 7053b3a271a9SManish Rangankar ret = -ENODEV; 7054b3a271a9SManish Rangankar goto remove_host; 7055b3a271a9SManish Rangankar } 7056b3a271a9SManish Rangankar 70576e7b4292SVikas Chaudhary /* 70586e7b4292SVikas Chaudhary * For ISP-8XXX, request_irqs is called in qla4_8xxx_load_risc 7059f4f5df23SVikas Chaudhary * (which is called indirectly by qla4xxx_initialize_adapter), 7060f4f5df23SVikas Chaudhary * so that irqs will be registered after crbinit but before 7061f4f5df23SVikas Chaudhary * mbx_intr_enable. 7062f4f5df23SVikas Chaudhary */ 7063ee996a69SVikas Chaudhary if (is_qla40XX(ha)) { 7064f4f5df23SVikas Chaudhary ret = qla4xxx_request_irqs(ha); 7065afaf5a2dSDavid Somayajulu if (ret) { 7066f4f5df23SVikas Chaudhary ql4_printk(KERN_WARNING, ha, "Failed to reserve " 7067f4f5df23SVikas Chaudhary "interrupt %d already in use.\n", pdev->irq); 7068b3a271a9SManish Rangankar goto remove_host; 7069afaf5a2dSDavid Somayajulu } 7070f4f5df23SVikas Chaudhary } 7071afaf5a2dSDavid Somayajulu 70722232be0dSLalit Chandivade pci_save_state(ha->pdev); 7073f4f5df23SVikas Chaudhary ha->isp_ops->enable_intrs(ha); 7074afaf5a2dSDavid Somayajulu 7075afaf5a2dSDavid Somayajulu /* Start timer thread. */ 7076afaf5a2dSDavid Somayajulu qla4xxx_start_timer(ha, qla4xxx_timer, 1); 7077afaf5a2dSDavid Somayajulu 7078afaf5a2dSDavid Somayajulu set_bit(AF_INIT_DONE, &ha->flags); 7079afaf5a2dSDavid Somayajulu 7080068237c8STej Parkash qla4_8xxx_alloc_sysfs_attr(ha); 7081068237c8STej Parkash 7082afaf5a2dSDavid Somayajulu printk(KERN_INFO 7083afaf5a2dSDavid Somayajulu " QLogic iSCSI HBA Driver version: %s\n" 7084afaf5a2dSDavid Somayajulu " QLogic ISP%04x @ %s, host#=%ld, fw=%02d.%02d.%02d.%02d\n", 7085afaf5a2dSDavid Somayajulu qla4xxx_version_str, ha->pdev->device, pci_name(ha->pdev), 7086afaf5a2dSDavid Somayajulu ha->host_no, ha->firmware_version[0], ha->firmware_version[1], 7087afaf5a2dSDavid Somayajulu ha->patch_number, ha->build_number); 7088ed1086e0SVikas Chaudhary 7089cfb27874SManish Dusane /* Set the driver version */ 7090cfb27874SManish Dusane if (is_qla80XX(ha)) 7091cfb27874SManish Dusane qla4_8xxx_set_param(ha, SET_DRVR_VERSION); 7092cfb27874SManish Dusane 70932a991c21SManish Rangankar if (qla4xxx_setup_boot_info(ha)) 70943573bfb2SVikas Chaudhary ql4_printk(KERN_ERR, ha, 70953573bfb2SVikas Chaudhary "%s: No iSCSI boot target configured\n", __func__); 70962a991c21SManish Rangankar 70971e9e2be3SAdheer Chandravanshi if (qla4xxx_sysfs_ddb_export(ha)) 70981e9e2be3SAdheer Chandravanshi ql4_printk(KERN_ERR, ha, 70991e9e2be3SAdheer Chandravanshi "%s: Error exporting ddb to sysfs\n", __func__); 71001e9e2be3SAdheer Chandravanshi 710113483730SMike Christie /* Perform the build ddb list and login to each */ 710213483730SMike Christie qla4xxx_build_ddb_list(ha, INIT_ADAPTER); 710313483730SMike Christie iscsi_host_for_each_session(ha->host, qla4xxx_login_flash_ddb); 71041dc8ed5dSManish Rangankar qla4xxx_wait_login_resp_boot_tgt(ha); 710513483730SMike Christie 710613483730SMike Christie qla4xxx_create_chap_list(ha); 710713483730SMike Christie 7108ed1086e0SVikas Chaudhary qla4xxx_create_ifaces(ha); 7109afaf5a2dSDavid Somayajulu return 0; 7110afaf5a2dSDavid Somayajulu 7111b3a271a9SManish Rangankar remove_host: 7112b3a271a9SManish Rangankar scsi_remove_host(ha->host); 7113b3a271a9SManish Rangankar 7114afaf5a2dSDavid Somayajulu probe_failed: 7115afaf5a2dSDavid Somayajulu qla4xxx_free_adapter(ha); 7116f4f5df23SVikas Chaudhary 7117f4f5df23SVikas Chaudhary probe_failed_ioconfig: 71182232be0dSLalit Chandivade pci_disable_pcie_error_reporting(pdev); 7119afaf5a2dSDavid Somayajulu scsi_host_put(ha->host); 7120afaf5a2dSDavid Somayajulu 7121afaf5a2dSDavid Somayajulu probe_disable_device: 7122afaf5a2dSDavid Somayajulu pci_disable_device(pdev); 7123afaf5a2dSDavid Somayajulu 7124afaf5a2dSDavid Somayajulu return ret; 7125afaf5a2dSDavid Somayajulu } 7126afaf5a2dSDavid Somayajulu 7127afaf5a2dSDavid Somayajulu /** 71287eece5a0SKaren Higgins * qla4xxx_prevent_other_port_reinit - prevent other port from re-initialize 71297eece5a0SKaren Higgins * @ha: pointer to adapter structure 71307eece5a0SKaren Higgins * 71317eece5a0SKaren Higgins * Mark the other ISP-4xxx port to indicate that the driver is being removed, 71327eece5a0SKaren Higgins * so that the other port will not re-initialize while in the process of 71337eece5a0SKaren Higgins * removing the ha due to driver unload or hba hotplug. 71347eece5a0SKaren Higgins **/ 71357eece5a0SKaren Higgins static void qla4xxx_prevent_other_port_reinit(struct scsi_qla_host *ha) 71367eece5a0SKaren Higgins { 71377eece5a0SKaren Higgins struct scsi_qla_host *other_ha = NULL; 71387eece5a0SKaren Higgins struct pci_dev *other_pdev = NULL; 71397eece5a0SKaren Higgins int fn = ISP4XXX_PCI_FN_2; 71407eece5a0SKaren Higgins 71417eece5a0SKaren Higgins /*iscsi function numbers for ISP4xxx is 1 and 3*/ 71427eece5a0SKaren Higgins if (PCI_FUNC(ha->pdev->devfn) & BIT_1) 71437eece5a0SKaren Higgins fn = ISP4XXX_PCI_FN_1; 71447eece5a0SKaren Higgins 71457eece5a0SKaren Higgins other_pdev = 71467eece5a0SKaren Higgins pci_get_domain_bus_and_slot(pci_domain_nr(ha->pdev->bus), 71477eece5a0SKaren Higgins ha->pdev->bus->number, PCI_DEVFN(PCI_SLOT(ha->pdev->devfn), 71487eece5a0SKaren Higgins fn)); 71497eece5a0SKaren Higgins 71507eece5a0SKaren Higgins /* Get other_ha if other_pdev is valid and state is enable*/ 71517eece5a0SKaren Higgins if (other_pdev) { 71527eece5a0SKaren Higgins if (atomic_read(&other_pdev->enable_cnt)) { 71537eece5a0SKaren Higgins other_ha = pci_get_drvdata(other_pdev); 71547eece5a0SKaren Higgins if (other_ha) { 71557eece5a0SKaren Higgins set_bit(AF_HA_REMOVAL, &other_ha->flags); 71567eece5a0SKaren Higgins DEBUG2(ql4_printk(KERN_INFO, ha, "%s: " 71577eece5a0SKaren Higgins "Prevent %s reinit\n", __func__, 71587eece5a0SKaren Higgins dev_name(&other_ha->pdev->dev))); 71597eece5a0SKaren Higgins } 71607eece5a0SKaren Higgins } 71617eece5a0SKaren Higgins pci_dev_put(other_pdev); 71627eece5a0SKaren Higgins } 71637eece5a0SKaren Higgins } 71647eece5a0SKaren Higgins 716513483730SMike Christie static void qla4xxx_destroy_fw_ddb_session(struct scsi_qla_host *ha) 716613483730SMike Christie { 716713483730SMike Christie struct ddb_entry *ddb_entry; 716813483730SMike Christie int options; 716913483730SMike Christie int idx; 717013483730SMike Christie 717113483730SMike Christie for (idx = 0; idx < MAX_DDB_ENTRIES; idx++) { 717213483730SMike Christie 717313483730SMike Christie ddb_entry = qla4xxx_lookup_ddb_by_fw_index(ha, idx); 717413483730SMike Christie if ((ddb_entry != NULL) && 717513483730SMike Christie (ddb_entry->ddb_type == FLASH_DDB)) { 717613483730SMike Christie 717713483730SMike Christie options = LOGOUT_OPTION_CLOSE_SESSION; 717813483730SMike Christie if (qla4xxx_session_logout_ddb(ha, ddb_entry, options) 717913483730SMike Christie == QLA_ERROR) 718013483730SMike Christie ql4_printk(KERN_ERR, ha, "%s: Logout failed\n", 718113483730SMike Christie __func__); 718213483730SMike Christie 718313483730SMike Christie qla4xxx_clear_ddb_entry(ha, ddb_entry->fw_ddb_index); 718413483730SMike Christie /* 718513483730SMike Christie * we have decremented the reference count of the driver 718613483730SMike Christie * when we setup the session to have the driver unload 718713483730SMike Christie * to be seamless without actually destroying the 718813483730SMike Christie * session 718913483730SMike Christie **/ 719013483730SMike Christie try_module_get(qla4xxx_iscsi_transport.owner); 719113483730SMike Christie iscsi_destroy_endpoint(ddb_entry->conn->ep); 719213483730SMike Christie qla4xxx_free_ddb(ha, ddb_entry); 719313483730SMike Christie iscsi_session_teardown(ddb_entry->sess); 719413483730SMike Christie } 719513483730SMike Christie } 719613483730SMike Christie } 71977eece5a0SKaren Higgins /** 719859e13d48SMasanari Iida * qla4xxx_remove_adapter - callback function to remove adapter. 7199afaf5a2dSDavid Somayajulu * @pci_dev: PCI device pointer 7200afaf5a2dSDavid Somayajulu **/ 72016f039790SGreg Kroah-Hartman static void qla4xxx_remove_adapter(struct pci_dev *pdev) 7202afaf5a2dSDavid Somayajulu { 7203afaf5a2dSDavid Somayajulu struct scsi_qla_host *ha; 7204afaf5a2dSDavid Somayajulu 7205f8b0751dSVikas Chaudhary /* 7206f8b0751dSVikas Chaudhary * If the PCI device is disabled then it means probe_adapter had 7207f8b0751dSVikas Chaudhary * failed and resources already cleaned up on probe_adapter exit. 7208f8b0751dSVikas Chaudhary */ 7209f8b0751dSVikas Chaudhary if (!pci_is_enabled(pdev)) 7210f8b0751dSVikas Chaudhary return; 7211f8b0751dSVikas Chaudhary 7212afaf5a2dSDavid Somayajulu ha = pci_get_drvdata(pdev); 7213afaf5a2dSDavid Somayajulu 7214ee996a69SVikas Chaudhary if (is_qla40XX(ha)) 72157eece5a0SKaren Higgins qla4xxx_prevent_other_port_reinit(ha); 7216bee4fe8eSDavid C Somayajulu 7217ed1086e0SVikas Chaudhary /* destroy iface from sysfs */ 7218ed1086e0SVikas Chaudhary qla4xxx_destroy_ifaces(ha); 7219ed1086e0SVikas Chaudhary 722013483730SMike Christie if ((!ql4xdisablesysfsboot) && ha->boot_kset) 72212a991c21SManish Rangankar iscsi_boot_destroy_kset(ha->boot_kset); 72222a991c21SManish Rangankar 722313483730SMike Christie qla4xxx_destroy_fw_ddb_session(ha); 7224068237c8STej Parkash qla4_8xxx_free_sysfs_attr(ha); 722513483730SMike Christie 72261e9e2be3SAdheer Chandravanshi qla4xxx_sysfs_ddb_remove(ha); 7227afaf5a2dSDavid Somayajulu scsi_remove_host(ha->host); 7228afaf5a2dSDavid Somayajulu 7229afaf5a2dSDavid Somayajulu qla4xxx_free_adapter(ha); 7230afaf5a2dSDavid Somayajulu 7231afaf5a2dSDavid Somayajulu scsi_host_put(ha->host); 7232afaf5a2dSDavid Somayajulu 72332232be0dSLalit Chandivade pci_disable_pcie_error_reporting(pdev); 7234f4f5df23SVikas Chaudhary pci_disable_device(pdev); 7235afaf5a2dSDavid Somayajulu pci_set_drvdata(pdev, NULL); 7236afaf5a2dSDavid Somayajulu } 7237afaf5a2dSDavid Somayajulu 7238afaf5a2dSDavid Somayajulu /** 7239afaf5a2dSDavid Somayajulu * qla4xxx_config_dma_addressing() - Configure OS DMA addressing method. 7240afaf5a2dSDavid Somayajulu * @ha: HA context 7241afaf5a2dSDavid Somayajulu * 7242afaf5a2dSDavid Somayajulu * At exit, the @ha's flags.enable_64bit_addressing set to indicated 7243afaf5a2dSDavid Somayajulu * supported addressing method. 7244afaf5a2dSDavid Somayajulu */ 724547975477SAdrian Bunk static void qla4xxx_config_dma_addressing(struct scsi_qla_host *ha) 7246afaf5a2dSDavid Somayajulu { 7247afaf5a2dSDavid Somayajulu int retval; 7248afaf5a2dSDavid Somayajulu 7249afaf5a2dSDavid Somayajulu /* Update our PCI device dma_mask for full 64 bit mask */ 72506a35528aSYang Hongyang if (pci_set_dma_mask(ha->pdev, DMA_BIT_MASK(64)) == 0) { 72516a35528aSYang Hongyang if (pci_set_consistent_dma_mask(ha->pdev, DMA_BIT_MASK(64))) { 7252afaf5a2dSDavid Somayajulu dev_dbg(&ha->pdev->dev, 7253afaf5a2dSDavid Somayajulu "Failed to set 64 bit PCI consistent mask; " 7254afaf5a2dSDavid Somayajulu "using 32 bit.\n"); 7255afaf5a2dSDavid Somayajulu retval = pci_set_consistent_dma_mask(ha->pdev, 7256284901a9SYang Hongyang DMA_BIT_MASK(32)); 7257afaf5a2dSDavid Somayajulu } 7258afaf5a2dSDavid Somayajulu } else 7259284901a9SYang Hongyang retval = pci_set_dma_mask(ha->pdev, DMA_BIT_MASK(32)); 7260afaf5a2dSDavid Somayajulu } 7261afaf5a2dSDavid Somayajulu 7262afaf5a2dSDavid Somayajulu static int qla4xxx_slave_alloc(struct scsi_device *sdev) 7263afaf5a2dSDavid Somayajulu { 7264b3a271a9SManish Rangankar struct iscsi_cls_session *cls_sess; 7265b3a271a9SManish Rangankar struct iscsi_session *sess; 7266b3a271a9SManish Rangankar struct ddb_entry *ddb; 72678bb4033dSVikas Chaudhary int queue_depth = QL4_DEF_QDEPTH; 7268afaf5a2dSDavid Somayajulu 7269b3a271a9SManish Rangankar cls_sess = starget_to_session(sdev->sdev_target); 7270b3a271a9SManish Rangankar sess = cls_sess->dd_data; 7271b3a271a9SManish Rangankar ddb = sess->dd_data; 7272b3a271a9SManish Rangankar 7273afaf5a2dSDavid Somayajulu sdev->hostdata = ddb; 7274afaf5a2dSDavid Somayajulu sdev->tagged_supported = 1; 72758bb4033dSVikas Chaudhary 72768bb4033dSVikas Chaudhary if (ql4xmaxqdepth != 0 && ql4xmaxqdepth <= 0xffffU) 72778bb4033dSVikas Chaudhary queue_depth = ql4xmaxqdepth; 72788bb4033dSVikas Chaudhary 72798bb4033dSVikas Chaudhary scsi_activate_tcq(sdev, queue_depth); 7280afaf5a2dSDavid Somayajulu return 0; 7281afaf5a2dSDavid Somayajulu } 7282afaf5a2dSDavid Somayajulu 7283afaf5a2dSDavid Somayajulu static int qla4xxx_slave_configure(struct scsi_device *sdev) 7284afaf5a2dSDavid Somayajulu { 7285afaf5a2dSDavid Somayajulu sdev->tagged_supported = 1; 7286afaf5a2dSDavid Somayajulu return 0; 7287afaf5a2dSDavid Somayajulu } 7288afaf5a2dSDavid Somayajulu 7289afaf5a2dSDavid Somayajulu static void qla4xxx_slave_destroy(struct scsi_device *sdev) 7290afaf5a2dSDavid Somayajulu { 7291afaf5a2dSDavid Somayajulu scsi_deactivate_tcq(sdev, 1); 7292afaf5a2dSDavid Somayajulu } 7293afaf5a2dSDavid Somayajulu 7294f7b4aa63STej Parkash static int qla4xxx_change_queue_depth(struct scsi_device *sdev, int qdepth, 7295f7b4aa63STej Parkash int reason) 7296f7b4aa63STej Parkash { 7297f7b4aa63STej Parkash if (!ql4xqfulltracking) 7298f7b4aa63STej Parkash return -EOPNOTSUPP; 7299f7b4aa63STej Parkash 7300f7b4aa63STej Parkash return iscsi_change_queue_depth(sdev, qdepth, reason); 7301f7b4aa63STej Parkash } 7302f7b4aa63STej Parkash 7303afaf5a2dSDavid Somayajulu /** 7304afaf5a2dSDavid Somayajulu * qla4xxx_del_from_active_array - returns an active srb 7305afaf5a2dSDavid Somayajulu * @ha: Pointer to host adapter structure. 7306fd589a8fSAnand Gadiyar * @index: index into the active_array 7307afaf5a2dSDavid Somayajulu * 7308afaf5a2dSDavid Somayajulu * This routine removes and returns the srb at the specified index 7309afaf5a2dSDavid Somayajulu **/ 7310f4f5df23SVikas Chaudhary struct srb *qla4xxx_del_from_active_array(struct scsi_qla_host *ha, 7311f4f5df23SVikas Chaudhary uint32_t index) 7312afaf5a2dSDavid Somayajulu { 7313afaf5a2dSDavid Somayajulu struct srb *srb = NULL; 73145369887aSVikas Chaudhary struct scsi_cmnd *cmd = NULL; 7315afaf5a2dSDavid Somayajulu 73165369887aSVikas Chaudhary cmd = scsi_host_find_tag(ha->host, index); 73175369887aSVikas Chaudhary if (!cmd) 7318afaf5a2dSDavid Somayajulu return srb; 7319afaf5a2dSDavid Somayajulu 73205369887aSVikas Chaudhary srb = (struct srb *)CMD_SP(cmd); 73215369887aSVikas Chaudhary if (!srb) 7322afaf5a2dSDavid Somayajulu return srb; 7323afaf5a2dSDavid Somayajulu 7324afaf5a2dSDavid Somayajulu /* update counters */ 7325afaf5a2dSDavid Somayajulu if (srb->flags & SRB_DMA_VALID) { 7326afaf5a2dSDavid Somayajulu ha->iocb_cnt -= srb->iocb_cnt; 7327afaf5a2dSDavid Somayajulu if (srb->cmd) 73285369887aSVikas Chaudhary srb->cmd->host_scribble = 73295369887aSVikas Chaudhary (unsigned char *)(unsigned long) MAX_SRBS; 7330afaf5a2dSDavid Somayajulu } 7331afaf5a2dSDavid Somayajulu return srb; 7332afaf5a2dSDavid Somayajulu } 7333afaf5a2dSDavid Somayajulu 7334afaf5a2dSDavid Somayajulu /** 7335afaf5a2dSDavid Somayajulu * qla4xxx_eh_wait_on_command - waits for command to be returned by firmware 733609a0f719SVikas Chaudhary * @ha: Pointer to host adapter structure. 7337afaf5a2dSDavid Somayajulu * @cmd: Scsi Command to wait on. 7338afaf5a2dSDavid Somayajulu * 7339afaf5a2dSDavid Somayajulu * This routine waits for the command to be returned by the Firmware 7340afaf5a2dSDavid Somayajulu * for some max time. 7341afaf5a2dSDavid Somayajulu **/ 7342afaf5a2dSDavid Somayajulu static int qla4xxx_eh_wait_on_command(struct scsi_qla_host *ha, 7343afaf5a2dSDavid Somayajulu struct scsi_cmnd *cmd) 7344afaf5a2dSDavid Somayajulu { 7345afaf5a2dSDavid Somayajulu int done = 0; 7346afaf5a2dSDavid Somayajulu struct srb *rp; 7347afaf5a2dSDavid Somayajulu uint32_t max_wait_time = EH_WAIT_CMD_TOV; 73482232be0dSLalit Chandivade int ret = SUCCESS; 73492232be0dSLalit Chandivade 73502232be0dSLalit Chandivade /* Dont wait on command if PCI error is being handled 73512232be0dSLalit Chandivade * by PCI AER driver 73522232be0dSLalit Chandivade */ 73532232be0dSLalit Chandivade if (unlikely(pci_channel_offline(ha->pdev)) || 73542232be0dSLalit Chandivade (test_bit(AF_EEH_BUSY, &ha->flags))) { 73552232be0dSLalit Chandivade ql4_printk(KERN_WARNING, ha, "scsi%ld: Return from %s\n", 73562232be0dSLalit Chandivade ha->host_no, __func__); 73572232be0dSLalit Chandivade return ret; 73582232be0dSLalit Chandivade } 7359afaf5a2dSDavid Somayajulu 7360afaf5a2dSDavid Somayajulu do { 7361afaf5a2dSDavid Somayajulu /* Checking to see if its returned to OS */ 73625369887aSVikas Chaudhary rp = (struct srb *) CMD_SP(cmd); 7363afaf5a2dSDavid Somayajulu if (rp == NULL) { 7364afaf5a2dSDavid Somayajulu done++; 7365afaf5a2dSDavid Somayajulu break; 7366afaf5a2dSDavid Somayajulu } 7367afaf5a2dSDavid Somayajulu 7368afaf5a2dSDavid Somayajulu msleep(2000); 7369afaf5a2dSDavid Somayajulu } while (max_wait_time--); 7370afaf5a2dSDavid Somayajulu 7371afaf5a2dSDavid Somayajulu return done; 7372afaf5a2dSDavid Somayajulu } 7373afaf5a2dSDavid Somayajulu 7374afaf5a2dSDavid Somayajulu /** 7375afaf5a2dSDavid Somayajulu * qla4xxx_wait_for_hba_online - waits for HBA to come online 7376afaf5a2dSDavid Somayajulu * @ha: Pointer to host adapter structure 7377afaf5a2dSDavid Somayajulu **/ 7378afaf5a2dSDavid Somayajulu static int qla4xxx_wait_for_hba_online(struct scsi_qla_host *ha) 7379afaf5a2dSDavid Somayajulu { 7380afaf5a2dSDavid Somayajulu unsigned long wait_online; 7381afaf5a2dSDavid Somayajulu 7382f581a3f7SVikas Chaudhary wait_online = jiffies + (HBA_ONLINE_TOV * HZ); 7383afaf5a2dSDavid Somayajulu while (time_before(jiffies, wait_online)) { 7384afaf5a2dSDavid Somayajulu 7385afaf5a2dSDavid Somayajulu if (adapter_up(ha)) 7386afaf5a2dSDavid Somayajulu return QLA_SUCCESS; 7387afaf5a2dSDavid Somayajulu 7388afaf5a2dSDavid Somayajulu msleep(2000); 7389afaf5a2dSDavid Somayajulu } 7390afaf5a2dSDavid Somayajulu 7391afaf5a2dSDavid Somayajulu return QLA_ERROR; 7392afaf5a2dSDavid Somayajulu } 7393afaf5a2dSDavid Somayajulu 7394afaf5a2dSDavid Somayajulu /** 7395ce545039SMike Christie * qla4xxx_eh_wait_for_commands - wait for active cmds to finish. 7396fd589a8fSAnand Gadiyar * @ha: pointer to HBA 7397afaf5a2dSDavid Somayajulu * @t: target id 7398afaf5a2dSDavid Somayajulu * @l: lun id 7399afaf5a2dSDavid Somayajulu * 7400afaf5a2dSDavid Somayajulu * This function waits for all outstanding commands to a lun to complete. It 7401afaf5a2dSDavid Somayajulu * returns 0 if all pending commands are returned and 1 otherwise. 7402afaf5a2dSDavid Somayajulu **/ 7403ce545039SMike Christie static int qla4xxx_eh_wait_for_commands(struct scsi_qla_host *ha, 7404ce545039SMike Christie struct scsi_target *stgt, 7405ce545039SMike Christie struct scsi_device *sdev) 7406afaf5a2dSDavid Somayajulu { 7407afaf5a2dSDavid Somayajulu int cnt; 7408afaf5a2dSDavid Somayajulu int status = 0; 7409afaf5a2dSDavid Somayajulu struct scsi_cmnd *cmd; 7410afaf5a2dSDavid Somayajulu 7411afaf5a2dSDavid Somayajulu /* 7412ce545039SMike Christie * Waiting for all commands for the designated target or dev 7413ce545039SMike Christie * in the active array 7414afaf5a2dSDavid Somayajulu */ 7415afaf5a2dSDavid Somayajulu for (cnt = 0; cnt < ha->host->can_queue; cnt++) { 7416afaf5a2dSDavid Somayajulu cmd = scsi_host_find_tag(ha->host, cnt); 7417ce545039SMike Christie if (cmd && stgt == scsi_target(cmd->device) && 7418ce545039SMike Christie (!sdev || sdev == cmd->device)) { 7419afaf5a2dSDavid Somayajulu if (!qla4xxx_eh_wait_on_command(ha, cmd)) { 7420afaf5a2dSDavid Somayajulu status++; 7421afaf5a2dSDavid Somayajulu break; 7422afaf5a2dSDavid Somayajulu } 7423afaf5a2dSDavid Somayajulu } 7424afaf5a2dSDavid Somayajulu } 7425afaf5a2dSDavid Somayajulu return status; 7426afaf5a2dSDavid Somayajulu } 7427afaf5a2dSDavid Somayajulu 7428afaf5a2dSDavid Somayajulu /** 742909a0f719SVikas Chaudhary * qla4xxx_eh_abort - callback for abort task. 743009a0f719SVikas Chaudhary * @cmd: Pointer to Linux's SCSI command structure 743109a0f719SVikas Chaudhary * 743209a0f719SVikas Chaudhary * This routine is called by the Linux OS to abort the specified 743309a0f719SVikas Chaudhary * command. 743409a0f719SVikas Chaudhary **/ 743509a0f719SVikas Chaudhary static int qla4xxx_eh_abort(struct scsi_cmnd *cmd) 743609a0f719SVikas Chaudhary { 743709a0f719SVikas Chaudhary struct scsi_qla_host *ha = to_qla_host(cmd->device->host); 743809a0f719SVikas Chaudhary unsigned int id = cmd->device->id; 743909a0f719SVikas Chaudhary unsigned int lun = cmd->device->lun; 744092b3e5bbSMike Christie unsigned long flags; 744109a0f719SVikas Chaudhary struct srb *srb = NULL; 744209a0f719SVikas Chaudhary int ret = SUCCESS; 744309a0f719SVikas Chaudhary int wait = 0; 744409a0f719SVikas Chaudhary 7445c2660df3SVikas Chaudhary ql4_printk(KERN_INFO, ha, 74465cd049a5SChristoph Hellwig "scsi%ld:%d:%d: Abort command issued cmd=%p\n", 74475cd049a5SChristoph Hellwig ha->host_no, id, lun, cmd); 744809a0f719SVikas Chaudhary 744992b3e5bbSMike Christie spin_lock_irqsave(&ha->hardware_lock, flags); 745009a0f719SVikas Chaudhary srb = (struct srb *) CMD_SP(cmd); 745192b3e5bbSMike Christie if (!srb) { 745292b3e5bbSMike Christie spin_unlock_irqrestore(&ha->hardware_lock, flags); 745309a0f719SVikas Chaudhary return SUCCESS; 745492b3e5bbSMike Christie } 745509a0f719SVikas Chaudhary kref_get(&srb->srb_ref); 745692b3e5bbSMike Christie spin_unlock_irqrestore(&ha->hardware_lock, flags); 745709a0f719SVikas Chaudhary 745809a0f719SVikas Chaudhary if (qla4xxx_abort_task(ha, srb) != QLA_SUCCESS) { 745909a0f719SVikas Chaudhary DEBUG3(printk("scsi%ld:%d:%d: Abort_task mbx failed.\n", 746009a0f719SVikas Chaudhary ha->host_no, id, lun)); 746109a0f719SVikas Chaudhary ret = FAILED; 746209a0f719SVikas Chaudhary } else { 746309a0f719SVikas Chaudhary DEBUG3(printk("scsi%ld:%d:%d: Abort_task mbx success.\n", 746409a0f719SVikas Chaudhary ha->host_no, id, lun)); 746509a0f719SVikas Chaudhary wait = 1; 746609a0f719SVikas Chaudhary } 746709a0f719SVikas Chaudhary 746809a0f719SVikas Chaudhary kref_put(&srb->srb_ref, qla4xxx_srb_compl); 746909a0f719SVikas Chaudhary 747009a0f719SVikas Chaudhary /* Wait for command to complete */ 747109a0f719SVikas Chaudhary if (wait) { 747209a0f719SVikas Chaudhary if (!qla4xxx_eh_wait_on_command(ha, cmd)) { 747309a0f719SVikas Chaudhary DEBUG2(printk("scsi%ld:%d:%d: Abort handler timed out\n", 747409a0f719SVikas Chaudhary ha->host_no, id, lun)); 747509a0f719SVikas Chaudhary ret = FAILED; 747609a0f719SVikas Chaudhary } 747709a0f719SVikas Chaudhary } 747809a0f719SVikas Chaudhary 7479c2660df3SVikas Chaudhary ql4_printk(KERN_INFO, ha, 748009a0f719SVikas Chaudhary "scsi%ld:%d:%d: Abort command - %s\n", 748125985edcSLucas De Marchi ha->host_no, id, lun, (ret == SUCCESS) ? "succeeded" : "failed"); 748209a0f719SVikas Chaudhary 748309a0f719SVikas Chaudhary return ret; 748409a0f719SVikas Chaudhary } 748509a0f719SVikas Chaudhary 748609a0f719SVikas Chaudhary /** 7487afaf5a2dSDavid Somayajulu * qla4xxx_eh_device_reset - callback for target reset. 7488afaf5a2dSDavid Somayajulu * @cmd: Pointer to Linux's SCSI command structure 7489afaf5a2dSDavid Somayajulu * 7490afaf5a2dSDavid Somayajulu * This routine is called by the Linux OS to reset all luns on the 7491afaf5a2dSDavid Somayajulu * specified target. 7492afaf5a2dSDavid Somayajulu **/ 7493afaf5a2dSDavid Somayajulu static int qla4xxx_eh_device_reset(struct scsi_cmnd *cmd) 7494afaf5a2dSDavid Somayajulu { 7495afaf5a2dSDavid Somayajulu struct scsi_qla_host *ha = to_qla_host(cmd->device->host); 7496afaf5a2dSDavid Somayajulu struct ddb_entry *ddb_entry = cmd->device->hostdata; 7497afaf5a2dSDavid Somayajulu int ret = FAILED, stat; 7498afaf5a2dSDavid Somayajulu 7499612f7348SKaren Higgins if (!ddb_entry) 7500afaf5a2dSDavid Somayajulu return ret; 7501afaf5a2dSDavid Somayajulu 7502c01be6dcSMike Christie ret = iscsi_block_scsi_eh(cmd); 7503c01be6dcSMike Christie if (ret) 7504c01be6dcSMike Christie return ret; 7505c01be6dcSMike Christie ret = FAILED; 7506c01be6dcSMike Christie 7507c2660df3SVikas Chaudhary ql4_printk(KERN_INFO, ha, 7508afaf5a2dSDavid Somayajulu "scsi%ld:%d:%d:%d: DEVICE RESET ISSUED.\n", ha->host_no, 7509afaf5a2dSDavid Somayajulu cmd->device->channel, cmd->device->id, cmd->device->lun); 7510afaf5a2dSDavid Somayajulu 7511afaf5a2dSDavid Somayajulu DEBUG2(printk(KERN_INFO 7512afaf5a2dSDavid Somayajulu "scsi%ld: DEVICE_RESET cmd=%p jiffies = 0x%lx, to=%x," 7513afaf5a2dSDavid Somayajulu "dpc_flags=%lx, status=%x allowed=%d\n", ha->host_no, 7514242f9dcbSJens Axboe cmd, jiffies, cmd->request->timeout / HZ, 7515afaf5a2dSDavid Somayajulu ha->dpc_flags, cmd->result, cmd->allowed)); 7516afaf5a2dSDavid Somayajulu 7517afaf5a2dSDavid Somayajulu /* FIXME: wait for hba to go online */ 7518afaf5a2dSDavid Somayajulu stat = qla4xxx_reset_lun(ha, ddb_entry, cmd->device->lun); 7519afaf5a2dSDavid Somayajulu if (stat != QLA_SUCCESS) { 7520c2660df3SVikas Chaudhary ql4_printk(KERN_INFO, ha, "DEVICE RESET FAILED. %d\n", stat); 7521afaf5a2dSDavid Somayajulu goto eh_dev_reset_done; 7522afaf5a2dSDavid Somayajulu } 7523afaf5a2dSDavid Somayajulu 7524ce545039SMike Christie if (qla4xxx_eh_wait_for_commands(ha, scsi_target(cmd->device), 7525ce545039SMike Christie cmd->device)) { 7526c2660df3SVikas Chaudhary ql4_printk(KERN_INFO, ha, 7527afaf5a2dSDavid Somayajulu "DEVICE RESET FAILED - waiting for " 7528afaf5a2dSDavid Somayajulu "commands.\n"); 7529afaf5a2dSDavid Somayajulu goto eh_dev_reset_done; 7530afaf5a2dSDavid Somayajulu } 7531afaf5a2dSDavid Somayajulu 75329d562913SDavid C Somayajulu /* Send marker. */ 75339d562913SDavid C Somayajulu if (qla4xxx_send_marker_iocb(ha, ddb_entry, cmd->device->lun, 75349d562913SDavid C Somayajulu MM_LUN_RESET) != QLA_SUCCESS) 75359d562913SDavid C Somayajulu goto eh_dev_reset_done; 75369d562913SDavid C Somayajulu 7537c2660df3SVikas Chaudhary ql4_printk(KERN_INFO, ha, 7538afaf5a2dSDavid Somayajulu "scsi(%ld:%d:%d:%d): DEVICE RESET SUCCEEDED.\n", 7539afaf5a2dSDavid Somayajulu ha->host_no, cmd->device->channel, cmd->device->id, 7540afaf5a2dSDavid Somayajulu cmd->device->lun); 7541afaf5a2dSDavid Somayajulu 7542afaf5a2dSDavid Somayajulu ret = SUCCESS; 7543afaf5a2dSDavid Somayajulu 7544afaf5a2dSDavid Somayajulu eh_dev_reset_done: 7545afaf5a2dSDavid Somayajulu 7546afaf5a2dSDavid Somayajulu return ret; 7547afaf5a2dSDavid Somayajulu } 7548afaf5a2dSDavid Somayajulu 7549afaf5a2dSDavid Somayajulu /** 7550ce545039SMike Christie * qla4xxx_eh_target_reset - callback for target reset. 7551ce545039SMike Christie * @cmd: Pointer to Linux's SCSI command structure 7552ce545039SMike Christie * 7553ce545039SMike Christie * This routine is called by the Linux OS to reset the target. 7554ce545039SMike Christie **/ 7555ce545039SMike Christie static int qla4xxx_eh_target_reset(struct scsi_cmnd *cmd) 7556ce545039SMike Christie { 7557ce545039SMike Christie struct scsi_qla_host *ha = to_qla_host(cmd->device->host); 7558ce545039SMike Christie struct ddb_entry *ddb_entry = cmd->device->hostdata; 7559c01be6dcSMike Christie int stat, ret; 7560ce545039SMike Christie 7561ce545039SMike Christie if (!ddb_entry) 7562ce545039SMike Christie return FAILED; 7563ce545039SMike Christie 7564c01be6dcSMike Christie ret = iscsi_block_scsi_eh(cmd); 7565c01be6dcSMike Christie if (ret) 7566c01be6dcSMike Christie return ret; 7567c01be6dcSMike Christie 7568ce545039SMike Christie starget_printk(KERN_INFO, scsi_target(cmd->device), 7569ce545039SMike Christie "WARM TARGET RESET ISSUED.\n"); 7570ce545039SMike Christie 7571ce545039SMike Christie DEBUG2(printk(KERN_INFO 7572ce545039SMike Christie "scsi%ld: TARGET_DEVICE_RESET cmd=%p jiffies = 0x%lx, " 7573ce545039SMike Christie "to=%x,dpc_flags=%lx, status=%x allowed=%d\n", 7574242f9dcbSJens Axboe ha->host_no, cmd, jiffies, cmd->request->timeout / HZ, 7575ce545039SMike Christie ha->dpc_flags, cmd->result, cmd->allowed)); 7576ce545039SMike Christie 7577ce545039SMike Christie stat = qla4xxx_reset_target(ha, ddb_entry); 7578ce545039SMike Christie if (stat != QLA_SUCCESS) { 7579ce545039SMike Christie starget_printk(KERN_INFO, scsi_target(cmd->device), 7580ce545039SMike Christie "WARM TARGET RESET FAILED.\n"); 7581ce545039SMike Christie return FAILED; 7582ce545039SMike Christie } 7583ce545039SMike Christie 7584ce545039SMike Christie if (qla4xxx_eh_wait_for_commands(ha, scsi_target(cmd->device), 7585ce545039SMike Christie NULL)) { 7586ce545039SMike Christie starget_printk(KERN_INFO, scsi_target(cmd->device), 7587ce545039SMike Christie "WARM TARGET DEVICE RESET FAILED - " 7588ce545039SMike Christie "waiting for commands.\n"); 7589ce545039SMike Christie return FAILED; 7590ce545039SMike Christie } 7591ce545039SMike Christie 75929d562913SDavid C Somayajulu /* Send marker. */ 75939d562913SDavid C Somayajulu if (qla4xxx_send_marker_iocb(ha, ddb_entry, cmd->device->lun, 75949d562913SDavid C Somayajulu MM_TGT_WARM_RESET) != QLA_SUCCESS) { 75959d562913SDavid C Somayajulu starget_printk(KERN_INFO, scsi_target(cmd->device), 75969d562913SDavid C Somayajulu "WARM TARGET DEVICE RESET FAILED - " 75979d562913SDavid C Somayajulu "marker iocb failed.\n"); 75989d562913SDavid C Somayajulu return FAILED; 75999d562913SDavid C Somayajulu } 76009d562913SDavid C Somayajulu 7601ce545039SMike Christie starget_printk(KERN_INFO, scsi_target(cmd->device), 7602ce545039SMike Christie "WARM TARGET RESET SUCCEEDED.\n"); 7603ce545039SMike Christie return SUCCESS; 7604ce545039SMike Christie } 7605ce545039SMike Christie 7606ce545039SMike Christie /** 76078a288960SSarang Radke * qla4xxx_is_eh_active - check if error handler is running 76088a288960SSarang Radke * @shost: Pointer to SCSI Host struct 76098a288960SSarang Radke * 76108a288960SSarang Radke * This routine finds that if reset host is called in EH 76118a288960SSarang Radke * scenario or from some application like sg_reset 76128a288960SSarang Radke **/ 76138a288960SSarang Radke static int qla4xxx_is_eh_active(struct Scsi_Host *shost) 76148a288960SSarang Radke { 76158a288960SSarang Radke if (shost->shost_state == SHOST_RECOVERY) 76168a288960SSarang Radke return 1; 76178a288960SSarang Radke return 0; 76188a288960SSarang Radke } 76198a288960SSarang Radke 76208a288960SSarang Radke /** 7621afaf5a2dSDavid Somayajulu * qla4xxx_eh_host_reset - kernel callback 7622afaf5a2dSDavid Somayajulu * @cmd: Pointer to Linux's SCSI command structure 7623afaf5a2dSDavid Somayajulu * 7624afaf5a2dSDavid Somayajulu * This routine is invoked by the Linux kernel to perform fatal error 7625afaf5a2dSDavid Somayajulu * recovery on the specified adapter. 7626afaf5a2dSDavid Somayajulu **/ 7627afaf5a2dSDavid Somayajulu static int qla4xxx_eh_host_reset(struct scsi_cmnd *cmd) 7628afaf5a2dSDavid Somayajulu { 7629afaf5a2dSDavid Somayajulu int return_status = FAILED; 7630afaf5a2dSDavid Somayajulu struct scsi_qla_host *ha; 7631afaf5a2dSDavid Somayajulu 7632b3a271a9SManish Rangankar ha = to_qla_host(cmd->device->host); 7633afaf5a2dSDavid Somayajulu 76346e7b4292SVikas Chaudhary if (is_qla8032(ha) && ql4xdontresethba) 76356e7b4292SVikas Chaudhary qla4_83xx_set_idc_dontreset(ha); 76366e7b4292SVikas Chaudhary 76376e7b4292SVikas Chaudhary /* 76386e7b4292SVikas Chaudhary * For ISP8324, if IDC_CTRL DONTRESET_BIT0 is set by other 76396e7b4292SVikas Chaudhary * protocol drivers, we should not set device_state to 76406e7b4292SVikas Chaudhary * NEED_RESET 76416e7b4292SVikas Chaudhary */ 76426e7b4292SVikas Chaudhary if (ql4xdontresethba || 76436e7b4292SVikas Chaudhary (is_qla8032(ha) && qla4_83xx_idc_dontreset(ha))) { 7644f4f5df23SVikas Chaudhary DEBUG2(printk("scsi%ld: %s: Don't Reset HBA\n", 7645f4f5df23SVikas Chaudhary ha->host_no, __func__)); 76468a288960SSarang Radke 76478a288960SSarang Radke /* Clear outstanding srb in queues */ 76488a288960SSarang Radke if (qla4xxx_is_eh_active(cmd->device->host)) 76498a288960SSarang Radke qla4xxx_abort_active_cmds(ha, DID_ABORT << 16); 76508a288960SSarang Radke 7651f4f5df23SVikas Chaudhary return FAILED; 7652f4f5df23SVikas Chaudhary } 7653f4f5df23SVikas Chaudhary 7654c2660df3SVikas Chaudhary ql4_printk(KERN_INFO, ha, 7655dca05c4cSKaren Higgins "scsi(%ld:%d:%d:%d): HOST RESET ISSUED.\n", ha->host_no, 7656afaf5a2dSDavid Somayajulu cmd->device->channel, cmd->device->id, cmd->device->lun); 7657afaf5a2dSDavid Somayajulu 7658afaf5a2dSDavid Somayajulu if (qla4xxx_wait_for_hba_online(ha) != QLA_SUCCESS) { 7659afaf5a2dSDavid Somayajulu DEBUG2(printk("scsi%ld:%d: %s: Unable to reset host. Adapter " 7660afaf5a2dSDavid Somayajulu "DEAD.\n", ha->host_no, cmd->device->channel, 7661afaf5a2dSDavid Somayajulu __func__)); 7662afaf5a2dSDavid Somayajulu 7663afaf5a2dSDavid Somayajulu return FAILED; 7664afaf5a2dSDavid Somayajulu } 7665afaf5a2dSDavid Somayajulu 7666f4f5df23SVikas Chaudhary if (!test_bit(DPC_RESET_HA, &ha->dpc_flags)) { 76676e7b4292SVikas Chaudhary if (is_qla80XX(ha)) 7668f4f5df23SVikas Chaudhary set_bit(DPC_RESET_HA_FW_CONTEXT, &ha->dpc_flags); 7669f4f5df23SVikas Chaudhary else 7670f4f5df23SVikas Chaudhary set_bit(DPC_RESET_HA, &ha->dpc_flags); 7671f4f5df23SVikas Chaudhary } 767250a29aecSMike Christie 7673f4f5df23SVikas Chaudhary if (qla4xxx_recover_adapter(ha) == QLA_SUCCESS) 7674afaf5a2dSDavid Somayajulu return_status = SUCCESS; 7675afaf5a2dSDavid Somayajulu 7676c2660df3SVikas Chaudhary ql4_printk(KERN_INFO, ha, "HOST RESET %s.\n", 767725985edcSLucas De Marchi return_status == FAILED ? "FAILED" : "SUCCEEDED"); 7678afaf5a2dSDavid Somayajulu 7679afaf5a2dSDavid Somayajulu return return_status; 7680afaf5a2dSDavid Somayajulu } 7681afaf5a2dSDavid Somayajulu 768295d31262SVikas Chaudhary static int qla4xxx_context_reset(struct scsi_qla_host *ha) 768395d31262SVikas Chaudhary { 768495d31262SVikas Chaudhary uint32_t mbox_cmd[MBOX_REG_COUNT]; 768595d31262SVikas Chaudhary uint32_t mbox_sts[MBOX_REG_COUNT]; 768695d31262SVikas Chaudhary struct addr_ctrl_blk_def *acb = NULL; 768795d31262SVikas Chaudhary uint32_t acb_len = sizeof(struct addr_ctrl_blk_def); 768895d31262SVikas Chaudhary int rval = QLA_SUCCESS; 768995d31262SVikas Chaudhary dma_addr_t acb_dma; 769095d31262SVikas Chaudhary 769195d31262SVikas Chaudhary acb = dma_alloc_coherent(&ha->pdev->dev, 769295d31262SVikas Chaudhary sizeof(struct addr_ctrl_blk_def), 769395d31262SVikas Chaudhary &acb_dma, GFP_KERNEL); 769495d31262SVikas Chaudhary if (!acb) { 769595d31262SVikas Chaudhary ql4_printk(KERN_ERR, ha, "%s: Unable to alloc acb\n", 769695d31262SVikas Chaudhary __func__); 769795d31262SVikas Chaudhary rval = -ENOMEM; 769895d31262SVikas Chaudhary goto exit_port_reset; 769995d31262SVikas Chaudhary } 770095d31262SVikas Chaudhary 770195d31262SVikas Chaudhary memset(acb, 0, acb_len); 770295d31262SVikas Chaudhary 770395d31262SVikas Chaudhary rval = qla4xxx_get_acb(ha, acb_dma, PRIMARI_ACB, acb_len); 770495d31262SVikas Chaudhary if (rval != QLA_SUCCESS) { 770595d31262SVikas Chaudhary rval = -EIO; 770695d31262SVikas Chaudhary goto exit_free_acb; 770795d31262SVikas Chaudhary } 770895d31262SVikas Chaudhary 770995d31262SVikas Chaudhary rval = qla4xxx_disable_acb(ha); 771095d31262SVikas Chaudhary if (rval != QLA_SUCCESS) { 771195d31262SVikas Chaudhary rval = -EIO; 771295d31262SVikas Chaudhary goto exit_free_acb; 771395d31262SVikas Chaudhary } 771495d31262SVikas Chaudhary 771595d31262SVikas Chaudhary wait_for_completion_timeout(&ha->disable_acb_comp, 771695d31262SVikas Chaudhary DISABLE_ACB_TOV * HZ); 771795d31262SVikas Chaudhary 771895d31262SVikas Chaudhary rval = qla4xxx_set_acb(ha, &mbox_cmd[0], &mbox_sts[0], acb_dma); 771995d31262SVikas Chaudhary if (rval != QLA_SUCCESS) { 772095d31262SVikas Chaudhary rval = -EIO; 772195d31262SVikas Chaudhary goto exit_free_acb; 772295d31262SVikas Chaudhary } 772395d31262SVikas Chaudhary 772495d31262SVikas Chaudhary exit_free_acb: 772595d31262SVikas Chaudhary dma_free_coherent(&ha->pdev->dev, sizeof(struct addr_ctrl_blk_def), 772695d31262SVikas Chaudhary acb, acb_dma); 772795d31262SVikas Chaudhary exit_port_reset: 772895d31262SVikas Chaudhary DEBUG2(ql4_printk(KERN_INFO, ha, "%s %s\n", __func__, 772995d31262SVikas Chaudhary rval == QLA_SUCCESS ? "SUCCEEDED" : "FAILED")); 773095d31262SVikas Chaudhary return rval; 773195d31262SVikas Chaudhary } 773295d31262SVikas Chaudhary 773395d31262SVikas Chaudhary static int qla4xxx_host_reset(struct Scsi_Host *shost, int reset_type) 773495d31262SVikas Chaudhary { 773595d31262SVikas Chaudhary struct scsi_qla_host *ha = to_qla_host(shost); 773695d31262SVikas Chaudhary int rval = QLA_SUCCESS; 7737ebd777deSVikas Chaudhary uint32_t idc_ctrl; 773895d31262SVikas Chaudhary 773995d31262SVikas Chaudhary if (ql4xdontresethba) { 774095d31262SVikas Chaudhary DEBUG2(ql4_printk(KERN_INFO, ha, "%s: Don't Reset HBA\n", 774195d31262SVikas Chaudhary __func__)); 774295d31262SVikas Chaudhary rval = -EPERM; 774395d31262SVikas Chaudhary goto exit_host_reset; 774495d31262SVikas Chaudhary } 774595d31262SVikas Chaudhary 774695d31262SVikas Chaudhary if (test_bit(DPC_RESET_HA, &ha->dpc_flags)) 774795d31262SVikas Chaudhary goto recover_adapter; 774895d31262SVikas Chaudhary 774995d31262SVikas Chaudhary switch (reset_type) { 775095d31262SVikas Chaudhary case SCSI_ADAPTER_RESET: 775195d31262SVikas Chaudhary set_bit(DPC_RESET_HA, &ha->dpc_flags); 775295d31262SVikas Chaudhary break; 775395d31262SVikas Chaudhary case SCSI_FIRMWARE_RESET: 775495d31262SVikas Chaudhary if (!test_bit(DPC_RESET_HA, &ha->dpc_flags)) { 77556e7b4292SVikas Chaudhary if (is_qla80XX(ha)) 775695d31262SVikas Chaudhary /* set firmware context reset */ 775795d31262SVikas Chaudhary set_bit(DPC_RESET_HA_FW_CONTEXT, 775895d31262SVikas Chaudhary &ha->dpc_flags); 775995d31262SVikas Chaudhary else { 776095d31262SVikas Chaudhary rval = qla4xxx_context_reset(ha); 776195d31262SVikas Chaudhary goto exit_host_reset; 776295d31262SVikas Chaudhary } 776395d31262SVikas Chaudhary } 776495d31262SVikas Chaudhary break; 776595d31262SVikas Chaudhary } 776695d31262SVikas Chaudhary 776795d31262SVikas Chaudhary recover_adapter: 7768ebd777deSVikas Chaudhary /* For ISP83XX set graceful reset bit in IDC_DRV_CTRL if 7769ebd777deSVikas Chaudhary * reset is issued by application */ 7770ebd777deSVikas Chaudhary if (is_qla8032(ha) && test_bit(DPC_RESET_HA, &ha->dpc_flags)) { 7771ebd777deSVikas Chaudhary idc_ctrl = qla4_83xx_rd_reg(ha, QLA83XX_IDC_DRV_CTRL); 7772ebd777deSVikas Chaudhary qla4_83xx_wr_reg(ha, QLA83XX_IDC_DRV_CTRL, 7773ebd777deSVikas Chaudhary (idc_ctrl | GRACEFUL_RESET_BIT1)); 7774ebd777deSVikas Chaudhary } 7775ebd777deSVikas Chaudhary 777695d31262SVikas Chaudhary rval = qla4xxx_recover_adapter(ha); 777795d31262SVikas Chaudhary if (rval != QLA_SUCCESS) { 777895d31262SVikas Chaudhary DEBUG2(ql4_printk(KERN_INFO, ha, "%s: recover adapter fail\n", 777995d31262SVikas Chaudhary __func__)); 778095d31262SVikas Chaudhary rval = -EIO; 778195d31262SVikas Chaudhary } 778295d31262SVikas Chaudhary 778395d31262SVikas Chaudhary exit_host_reset: 778495d31262SVikas Chaudhary return rval; 778595d31262SVikas Chaudhary } 778695d31262SVikas Chaudhary 77872232be0dSLalit Chandivade /* PCI AER driver recovers from all correctable errors w/o 77882232be0dSLalit Chandivade * driver intervention. For uncorrectable errors PCI AER 77892232be0dSLalit Chandivade * driver calls the following device driver's callbacks 77902232be0dSLalit Chandivade * 77912232be0dSLalit Chandivade * - Fatal Errors - link_reset 77922232be0dSLalit Chandivade * - Non-Fatal Errors - driver's pci_error_detected() which 77932232be0dSLalit Chandivade * returns CAN_RECOVER, NEED_RESET or DISCONNECT. 77942232be0dSLalit Chandivade * 77952232be0dSLalit Chandivade * PCI AER driver calls 77962232be0dSLalit Chandivade * CAN_RECOVER - driver's pci_mmio_enabled(), mmio_enabled 77972232be0dSLalit Chandivade * returns RECOVERED or NEED_RESET if fw_hung 77982232be0dSLalit Chandivade * NEED_RESET - driver's slot_reset() 77992232be0dSLalit Chandivade * DISCONNECT - device is dead & cannot recover 78002232be0dSLalit Chandivade * RECOVERED - driver's pci_resume() 78012232be0dSLalit Chandivade */ 78022232be0dSLalit Chandivade static pci_ers_result_t 78032232be0dSLalit Chandivade qla4xxx_pci_error_detected(struct pci_dev *pdev, pci_channel_state_t state) 78042232be0dSLalit Chandivade { 78052232be0dSLalit Chandivade struct scsi_qla_host *ha = pci_get_drvdata(pdev); 78062232be0dSLalit Chandivade 78072232be0dSLalit Chandivade ql4_printk(KERN_WARNING, ha, "scsi%ld: %s: error detected:state %x\n", 78082232be0dSLalit Chandivade ha->host_no, __func__, state); 78092232be0dSLalit Chandivade 78102232be0dSLalit Chandivade if (!is_aer_supported(ha)) 78112232be0dSLalit Chandivade return PCI_ERS_RESULT_NONE; 78122232be0dSLalit Chandivade 78132232be0dSLalit Chandivade switch (state) { 78142232be0dSLalit Chandivade case pci_channel_io_normal: 78152232be0dSLalit Chandivade clear_bit(AF_EEH_BUSY, &ha->flags); 78162232be0dSLalit Chandivade return PCI_ERS_RESULT_CAN_RECOVER; 78172232be0dSLalit Chandivade case pci_channel_io_frozen: 78182232be0dSLalit Chandivade set_bit(AF_EEH_BUSY, &ha->flags); 78192232be0dSLalit Chandivade qla4xxx_mailbox_premature_completion(ha); 78202232be0dSLalit Chandivade qla4xxx_free_irqs(ha); 78212232be0dSLalit Chandivade pci_disable_device(pdev); 78227b3595dfSVikas Chaudhary /* Return back all IOs */ 78237b3595dfSVikas Chaudhary qla4xxx_abort_active_cmds(ha, DID_RESET << 16); 78242232be0dSLalit Chandivade return PCI_ERS_RESULT_NEED_RESET; 78252232be0dSLalit Chandivade case pci_channel_io_perm_failure: 78262232be0dSLalit Chandivade set_bit(AF_EEH_BUSY, &ha->flags); 78272232be0dSLalit Chandivade set_bit(AF_PCI_CHANNEL_IO_PERM_FAILURE, &ha->flags); 78282232be0dSLalit Chandivade qla4xxx_abort_active_cmds(ha, DID_NO_CONNECT << 16); 78292232be0dSLalit Chandivade return PCI_ERS_RESULT_DISCONNECT; 78302232be0dSLalit Chandivade } 78312232be0dSLalit Chandivade return PCI_ERS_RESULT_NEED_RESET; 78322232be0dSLalit Chandivade } 78332232be0dSLalit Chandivade 78342232be0dSLalit Chandivade /** 78352232be0dSLalit Chandivade * qla4xxx_pci_mmio_enabled() gets called if 78362232be0dSLalit Chandivade * qla4xxx_pci_error_detected() returns PCI_ERS_RESULT_CAN_RECOVER 78372232be0dSLalit Chandivade * and read/write to the device still works. 78382232be0dSLalit Chandivade **/ 78392232be0dSLalit Chandivade static pci_ers_result_t 78402232be0dSLalit Chandivade qla4xxx_pci_mmio_enabled(struct pci_dev *pdev) 78412232be0dSLalit Chandivade { 78422232be0dSLalit Chandivade struct scsi_qla_host *ha = pci_get_drvdata(pdev); 78432232be0dSLalit Chandivade 78442232be0dSLalit Chandivade if (!is_aer_supported(ha)) 78452232be0dSLalit Chandivade return PCI_ERS_RESULT_NONE; 78462232be0dSLalit Chandivade 78472232be0dSLalit Chandivade return PCI_ERS_RESULT_RECOVERED; 78482232be0dSLalit Chandivade } 78492232be0dSLalit Chandivade 78507b3595dfSVikas Chaudhary static uint32_t qla4_8xxx_error_recovery(struct scsi_qla_host *ha) 78512232be0dSLalit Chandivade { 78522232be0dSLalit Chandivade uint32_t rval = QLA_ERROR; 78532232be0dSLalit Chandivade int fn; 78542232be0dSLalit Chandivade struct pci_dev *other_pdev = NULL; 78552232be0dSLalit Chandivade 78562232be0dSLalit Chandivade ql4_printk(KERN_WARNING, ha, "scsi%ld: In %s\n", ha->host_no, __func__); 78572232be0dSLalit Chandivade 78582232be0dSLalit Chandivade set_bit(DPC_RESET_ACTIVE, &ha->dpc_flags); 78592232be0dSLalit Chandivade 78602232be0dSLalit Chandivade if (test_bit(AF_ONLINE, &ha->flags)) { 78612232be0dSLalit Chandivade clear_bit(AF_ONLINE, &ha->flags); 7862b3a271a9SManish Rangankar clear_bit(AF_LINK_UP, &ha->flags); 7863b3a271a9SManish Rangankar iscsi_host_for_each_session(ha->host, qla4xxx_fail_session); 78642232be0dSLalit Chandivade qla4xxx_process_aen(ha, FLUSH_DDB_CHANGED_AENS); 78652232be0dSLalit Chandivade } 78662232be0dSLalit Chandivade 78672232be0dSLalit Chandivade fn = PCI_FUNC(ha->pdev->devfn); 78682232be0dSLalit Chandivade while (fn > 0) { 78692232be0dSLalit Chandivade fn--; 78702232be0dSLalit Chandivade ql4_printk(KERN_INFO, ha, "scsi%ld: %s: Finding PCI device at " 78712232be0dSLalit Chandivade "func %x\n", ha->host_no, __func__, fn); 78722232be0dSLalit Chandivade /* Get the pci device given the domain, bus, 78732232be0dSLalit Chandivade * slot/function number */ 78742232be0dSLalit Chandivade other_pdev = 78752232be0dSLalit Chandivade pci_get_domain_bus_and_slot(pci_domain_nr(ha->pdev->bus), 78762232be0dSLalit Chandivade ha->pdev->bus->number, PCI_DEVFN(PCI_SLOT(ha->pdev->devfn), 78772232be0dSLalit Chandivade fn)); 78782232be0dSLalit Chandivade 78792232be0dSLalit Chandivade if (!other_pdev) 78802232be0dSLalit Chandivade continue; 78812232be0dSLalit Chandivade 78822232be0dSLalit Chandivade if (atomic_read(&other_pdev->enable_cnt)) { 78832232be0dSLalit Chandivade ql4_printk(KERN_INFO, ha, "scsi%ld: %s: Found PCI " 78842232be0dSLalit Chandivade "func in enabled state%x\n", ha->host_no, 78852232be0dSLalit Chandivade __func__, fn); 78862232be0dSLalit Chandivade pci_dev_put(other_pdev); 78872232be0dSLalit Chandivade break; 78882232be0dSLalit Chandivade } 78892232be0dSLalit Chandivade pci_dev_put(other_pdev); 78902232be0dSLalit Chandivade } 78912232be0dSLalit Chandivade 78922232be0dSLalit Chandivade /* The first function on the card, the reset owner will 78932232be0dSLalit Chandivade * start & initialize the firmware. The other functions 78942232be0dSLalit Chandivade * on the card will reset the firmware context 78952232be0dSLalit Chandivade */ 78962232be0dSLalit Chandivade if (!fn) { 78972232be0dSLalit Chandivade ql4_printk(KERN_INFO, ha, "scsi%ld: %s: devfn being reset " 78982232be0dSLalit Chandivade "0x%x is the owner\n", ha->host_no, __func__, 78992232be0dSLalit Chandivade ha->pdev->devfn); 79002232be0dSLalit Chandivade 790133693c7aSVikas Chaudhary ha->isp_ops->idc_lock(ha); 790233693c7aSVikas Chaudhary qla4_8xxx_wr_direct(ha, QLA8XXX_CRB_DEV_STATE, 7903de8c72daSVikas Chaudhary QLA8XXX_DEV_COLD); 790433693c7aSVikas Chaudhary ha->isp_ops->idc_unlock(ha); 79052232be0dSLalit Chandivade 790639c95826SVikas Chaudhary rval = qla4_8xxx_update_idc_reg(ha); 790739c95826SVikas Chaudhary if (rval == QLA_ERROR) { 790839c95826SVikas Chaudhary ql4_printk(KERN_INFO, ha, "scsi%ld: %s: HW State: FAILED\n", 790939c95826SVikas Chaudhary ha->host_no, __func__); 791039c95826SVikas Chaudhary ha->isp_ops->idc_lock(ha); 791139c95826SVikas Chaudhary qla4_8xxx_wr_direct(ha, QLA8XXX_CRB_DEV_STATE, 791239c95826SVikas Chaudhary QLA8XXX_DEV_FAILED); 791339c95826SVikas Chaudhary ha->isp_ops->idc_unlock(ha); 791439c95826SVikas Chaudhary goto exit_error_recovery; 791539c95826SVikas Chaudhary } 79162232be0dSLalit Chandivade 79172232be0dSLalit Chandivade clear_bit(AF_FW_RECOVERY, &ha->flags); 791813483730SMike Christie rval = qla4xxx_initialize_adapter(ha, RESET_ADAPTER); 79192232be0dSLalit Chandivade 79202232be0dSLalit Chandivade if (rval != QLA_SUCCESS) { 79212232be0dSLalit Chandivade ql4_printk(KERN_INFO, ha, "scsi%ld: %s: HW State: " 79222232be0dSLalit Chandivade "FAILED\n", ha->host_no, __func__); 792382761907SPoornima Vonti ha->isp_ops->idc_lock(ha); 79242232be0dSLalit Chandivade qla4_8xxx_clear_drv_active(ha); 792533693c7aSVikas Chaudhary qla4_8xxx_wr_direct(ha, QLA8XXX_CRB_DEV_STATE, 7926de8c72daSVikas Chaudhary QLA8XXX_DEV_FAILED); 792782761907SPoornima Vonti ha->isp_ops->idc_unlock(ha); 79282232be0dSLalit Chandivade } else { 79292232be0dSLalit Chandivade ql4_printk(KERN_INFO, ha, "scsi%ld: %s: HW State: " 79302232be0dSLalit Chandivade "READY\n", ha->host_no, __func__); 793182761907SPoornima Vonti ha->isp_ops->idc_lock(ha); 793233693c7aSVikas Chaudhary qla4_8xxx_wr_direct(ha, QLA8XXX_CRB_DEV_STATE, 7933de8c72daSVikas Chaudhary QLA8XXX_DEV_READY); 79342232be0dSLalit Chandivade /* Clear driver state register */ 793533693c7aSVikas Chaudhary qla4_8xxx_wr_direct(ha, QLA8XXX_CRB_DRV_STATE, 0); 79362232be0dSLalit Chandivade qla4_8xxx_set_drv_active(ha); 793782761907SPoornima Vonti ha->isp_ops->idc_unlock(ha); 79382232be0dSLalit Chandivade ha->isp_ops->enable_intrs(ha); 79392232be0dSLalit Chandivade } 79402232be0dSLalit Chandivade } else { 79412232be0dSLalit Chandivade ql4_printk(KERN_INFO, ha, "scsi%ld: %s: devfn 0x%x is not " 79422232be0dSLalit Chandivade "the reset owner\n", ha->host_no, __func__, 79432232be0dSLalit Chandivade ha->pdev->devfn); 794433693c7aSVikas Chaudhary if ((qla4_8xxx_rd_direct(ha, QLA8XXX_CRB_DEV_STATE) == 7945de8c72daSVikas Chaudhary QLA8XXX_DEV_READY)) { 79462232be0dSLalit Chandivade clear_bit(AF_FW_RECOVERY, &ha->flags); 794713483730SMike Christie rval = qla4xxx_initialize_adapter(ha, RESET_ADAPTER); 7948137257daSPoornima Vonti if (rval == QLA_SUCCESS) 79492232be0dSLalit Chandivade ha->isp_ops->enable_intrs(ha); 7950137257daSPoornima Vonti 795133693c7aSVikas Chaudhary ha->isp_ops->idc_lock(ha); 79522232be0dSLalit Chandivade qla4_8xxx_set_drv_active(ha); 795333693c7aSVikas Chaudhary ha->isp_ops->idc_unlock(ha); 79542232be0dSLalit Chandivade } 79552232be0dSLalit Chandivade } 795639c95826SVikas Chaudhary exit_error_recovery: 79572232be0dSLalit Chandivade clear_bit(DPC_RESET_ACTIVE, &ha->dpc_flags); 79582232be0dSLalit Chandivade return rval; 79592232be0dSLalit Chandivade } 79602232be0dSLalit Chandivade 79612232be0dSLalit Chandivade static pci_ers_result_t 79622232be0dSLalit Chandivade qla4xxx_pci_slot_reset(struct pci_dev *pdev) 79632232be0dSLalit Chandivade { 79642232be0dSLalit Chandivade pci_ers_result_t ret = PCI_ERS_RESULT_DISCONNECT; 79652232be0dSLalit Chandivade struct scsi_qla_host *ha = pci_get_drvdata(pdev); 79662232be0dSLalit Chandivade int rc; 79672232be0dSLalit Chandivade 79682232be0dSLalit Chandivade ql4_printk(KERN_WARNING, ha, "scsi%ld: %s: slot_reset\n", 79692232be0dSLalit Chandivade ha->host_no, __func__); 79702232be0dSLalit Chandivade 79712232be0dSLalit Chandivade if (!is_aer_supported(ha)) 79722232be0dSLalit Chandivade return PCI_ERS_RESULT_NONE; 79732232be0dSLalit Chandivade 79742232be0dSLalit Chandivade /* Restore the saved state of PCIe device - 79752232be0dSLalit Chandivade * BAR registers, PCI Config space, PCIX, MSI, 79762232be0dSLalit Chandivade * IOV states 79772232be0dSLalit Chandivade */ 79782232be0dSLalit Chandivade pci_restore_state(pdev); 79792232be0dSLalit Chandivade 79802232be0dSLalit Chandivade /* pci_restore_state() clears the saved_state flag of the device 79812232be0dSLalit Chandivade * save restored state which resets saved_state flag 79822232be0dSLalit Chandivade */ 79832232be0dSLalit Chandivade pci_save_state(pdev); 79842232be0dSLalit Chandivade 79852232be0dSLalit Chandivade /* Initialize device or resume if in suspended state */ 79862232be0dSLalit Chandivade rc = pci_enable_device(pdev); 79872232be0dSLalit Chandivade if (rc) { 798825985edcSLucas De Marchi ql4_printk(KERN_WARNING, ha, "scsi%ld: %s: Can't re-enable " 79892232be0dSLalit Chandivade "device after reset\n", ha->host_no, __func__); 79902232be0dSLalit Chandivade goto exit_slot_reset; 79912232be0dSLalit Chandivade } 79922232be0dSLalit Chandivade 79937b3595dfSVikas Chaudhary ha->isp_ops->disable_intrs(ha); 79942232be0dSLalit Chandivade 79956e7b4292SVikas Chaudhary if (is_qla80XX(ha)) { 79962232be0dSLalit Chandivade if (qla4_8xxx_error_recovery(ha) == QLA_SUCCESS) { 79972232be0dSLalit Chandivade ret = PCI_ERS_RESULT_RECOVERED; 79982232be0dSLalit Chandivade goto exit_slot_reset; 79992232be0dSLalit Chandivade } else 80002232be0dSLalit Chandivade goto exit_slot_reset; 80012232be0dSLalit Chandivade } 80022232be0dSLalit Chandivade 80032232be0dSLalit Chandivade exit_slot_reset: 80042232be0dSLalit Chandivade ql4_printk(KERN_WARNING, ha, "scsi%ld: %s: Return=%x\n" 80052232be0dSLalit Chandivade "device after reset\n", ha->host_no, __func__, ret); 80062232be0dSLalit Chandivade return ret; 80072232be0dSLalit Chandivade } 80082232be0dSLalit Chandivade 80092232be0dSLalit Chandivade static void 80102232be0dSLalit Chandivade qla4xxx_pci_resume(struct pci_dev *pdev) 80112232be0dSLalit Chandivade { 80122232be0dSLalit Chandivade struct scsi_qla_host *ha = pci_get_drvdata(pdev); 80132232be0dSLalit Chandivade int ret; 80142232be0dSLalit Chandivade 80152232be0dSLalit Chandivade ql4_printk(KERN_WARNING, ha, "scsi%ld: %s: pci_resume\n", 80162232be0dSLalit Chandivade ha->host_no, __func__); 80172232be0dSLalit Chandivade 80182232be0dSLalit Chandivade ret = qla4xxx_wait_for_hba_online(ha); 80192232be0dSLalit Chandivade if (ret != QLA_SUCCESS) { 80202232be0dSLalit Chandivade ql4_printk(KERN_ERR, ha, "scsi%ld: %s: the device failed to " 80212232be0dSLalit Chandivade "resume I/O from slot/link_reset\n", ha->host_no, 80222232be0dSLalit Chandivade __func__); 80232232be0dSLalit Chandivade } 80242232be0dSLalit Chandivade 80252232be0dSLalit Chandivade pci_cleanup_aer_uncorrect_error_status(pdev); 80262232be0dSLalit Chandivade clear_bit(AF_EEH_BUSY, &ha->flags); 80272232be0dSLalit Chandivade } 80282232be0dSLalit Chandivade 8029a55b2d21SStephen Hemminger static const struct pci_error_handlers qla4xxx_err_handler = { 80302232be0dSLalit Chandivade .error_detected = qla4xxx_pci_error_detected, 80312232be0dSLalit Chandivade .mmio_enabled = qla4xxx_pci_mmio_enabled, 80322232be0dSLalit Chandivade .slot_reset = qla4xxx_pci_slot_reset, 80332232be0dSLalit Chandivade .resume = qla4xxx_pci_resume, 80342232be0dSLalit Chandivade }; 80352232be0dSLalit Chandivade 8036afaf5a2dSDavid Somayajulu static struct pci_device_id qla4xxx_pci_tbl[] = { 8037afaf5a2dSDavid Somayajulu { 8038afaf5a2dSDavid Somayajulu .vendor = PCI_VENDOR_ID_QLOGIC, 8039afaf5a2dSDavid Somayajulu .device = PCI_DEVICE_ID_QLOGIC_ISP4010, 8040afaf5a2dSDavid Somayajulu .subvendor = PCI_ANY_ID, 8041afaf5a2dSDavid Somayajulu .subdevice = PCI_ANY_ID, 8042afaf5a2dSDavid Somayajulu }, 8043afaf5a2dSDavid Somayajulu { 8044afaf5a2dSDavid Somayajulu .vendor = PCI_VENDOR_ID_QLOGIC, 8045afaf5a2dSDavid Somayajulu .device = PCI_DEVICE_ID_QLOGIC_ISP4022, 8046afaf5a2dSDavid Somayajulu .subvendor = PCI_ANY_ID, 8047afaf5a2dSDavid Somayajulu .subdevice = PCI_ANY_ID, 8048afaf5a2dSDavid Somayajulu }, 8049d915058fSDavid C Somayajulu { 8050d915058fSDavid C Somayajulu .vendor = PCI_VENDOR_ID_QLOGIC, 8051d915058fSDavid C Somayajulu .device = PCI_DEVICE_ID_QLOGIC_ISP4032, 8052d915058fSDavid C Somayajulu .subvendor = PCI_ANY_ID, 8053d915058fSDavid C Somayajulu .subdevice = PCI_ANY_ID, 8054d915058fSDavid C Somayajulu }, 8055f4f5df23SVikas Chaudhary { 8056f4f5df23SVikas Chaudhary .vendor = PCI_VENDOR_ID_QLOGIC, 8057f4f5df23SVikas Chaudhary .device = PCI_DEVICE_ID_QLOGIC_ISP8022, 8058f4f5df23SVikas Chaudhary .subvendor = PCI_ANY_ID, 8059f4f5df23SVikas Chaudhary .subdevice = PCI_ANY_ID, 8060f4f5df23SVikas Chaudhary }, 80616e7b4292SVikas Chaudhary { 80626e7b4292SVikas Chaudhary .vendor = PCI_VENDOR_ID_QLOGIC, 80636e7b4292SVikas Chaudhary .device = PCI_DEVICE_ID_QLOGIC_ISP8324, 80646e7b4292SVikas Chaudhary .subvendor = PCI_ANY_ID, 80656e7b4292SVikas Chaudhary .subdevice = PCI_ANY_ID, 80666e7b4292SVikas Chaudhary }, 8067afaf5a2dSDavid Somayajulu {0, 0}, 8068afaf5a2dSDavid Somayajulu }; 8069afaf5a2dSDavid Somayajulu MODULE_DEVICE_TABLE(pci, qla4xxx_pci_tbl); 8070afaf5a2dSDavid Somayajulu 807147975477SAdrian Bunk static struct pci_driver qla4xxx_pci_driver = { 8072afaf5a2dSDavid Somayajulu .name = DRIVER_NAME, 8073afaf5a2dSDavid Somayajulu .id_table = qla4xxx_pci_tbl, 8074afaf5a2dSDavid Somayajulu .probe = qla4xxx_probe_adapter, 8075afaf5a2dSDavid Somayajulu .remove = qla4xxx_remove_adapter, 80762232be0dSLalit Chandivade .err_handler = &qla4xxx_err_handler, 8077afaf5a2dSDavid Somayajulu }; 8078afaf5a2dSDavid Somayajulu 8079afaf5a2dSDavid Somayajulu static int __init qla4xxx_module_init(void) 8080afaf5a2dSDavid Somayajulu { 8081afaf5a2dSDavid Somayajulu int ret; 8082afaf5a2dSDavid Somayajulu 8083afaf5a2dSDavid Somayajulu /* Allocate cache for SRBs. */ 8084afaf5a2dSDavid Somayajulu srb_cachep = kmem_cache_create("qla4xxx_srbs", sizeof(struct srb), 0, 808520c2df83SPaul Mundt SLAB_HWCACHE_ALIGN, NULL); 8086afaf5a2dSDavid Somayajulu if (srb_cachep == NULL) { 8087afaf5a2dSDavid Somayajulu printk(KERN_ERR 8088afaf5a2dSDavid Somayajulu "%s: Unable to allocate SRB cache..." 8089afaf5a2dSDavid Somayajulu "Failing load!\n", DRIVER_NAME); 8090afaf5a2dSDavid Somayajulu ret = -ENOMEM; 8091afaf5a2dSDavid Somayajulu goto no_srp_cache; 8092afaf5a2dSDavid Somayajulu } 8093afaf5a2dSDavid Somayajulu 8094afaf5a2dSDavid Somayajulu /* Derive version string. */ 8095afaf5a2dSDavid Somayajulu strcpy(qla4xxx_version_str, QLA4XXX_DRIVER_VERSION); 809611010fecSAndrew Vasquez if (ql4xextended_error_logging) 8097afaf5a2dSDavid Somayajulu strcat(qla4xxx_version_str, "-debug"); 8098afaf5a2dSDavid Somayajulu 8099afaf5a2dSDavid Somayajulu qla4xxx_scsi_transport = 8100afaf5a2dSDavid Somayajulu iscsi_register_transport(&qla4xxx_iscsi_transport); 8101afaf5a2dSDavid Somayajulu if (!qla4xxx_scsi_transport){ 8102afaf5a2dSDavid Somayajulu ret = -ENODEV; 8103afaf5a2dSDavid Somayajulu goto release_srb_cache; 8104afaf5a2dSDavid Somayajulu } 8105afaf5a2dSDavid Somayajulu 8106afaf5a2dSDavid Somayajulu ret = pci_register_driver(&qla4xxx_pci_driver); 8107afaf5a2dSDavid Somayajulu if (ret) 8108afaf5a2dSDavid Somayajulu goto unregister_transport; 8109afaf5a2dSDavid Somayajulu 8110afaf5a2dSDavid Somayajulu printk(KERN_INFO "QLogic iSCSI HBA Driver\n"); 8111afaf5a2dSDavid Somayajulu return 0; 81125ae16db3SDoug Maxey 8113afaf5a2dSDavid Somayajulu unregister_transport: 8114afaf5a2dSDavid Somayajulu iscsi_unregister_transport(&qla4xxx_iscsi_transport); 8115afaf5a2dSDavid Somayajulu release_srb_cache: 8116afaf5a2dSDavid Somayajulu kmem_cache_destroy(srb_cachep); 8117afaf5a2dSDavid Somayajulu no_srp_cache: 8118afaf5a2dSDavid Somayajulu return ret; 8119afaf5a2dSDavid Somayajulu } 8120afaf5a2dSDavid Somayajulu 8121afaf5a2dSDavid Somayajulu static void __exit qla4xxx_module_exit(void) 8122afaf5a2dSDavid Somayajulu { 8123afaf5a2dSDavid Somayajulu pci_unregister_driver(&qla4xxx_pci_driver); 8124afaf5a2dSDavid Somayajulu iscsi_unregister_transport(&qla4xxx_iscsi_transport); 8125afaf5a2dSDavid Somayajulu kmem_cache_destroy(srb_cachep); 8126afaf5a2dSDavid Somayajulu } 8127afaf5a2dSDavid Somayajulu 8128afaf5a2dSDavid Somayajulu module_init(qla4xxx_module_init); 8129afaf5a2dSDavid Somayajulu module_exit(qla4xxx_module_exit); 8130afaf5a2dSDavid Somayajulu 8131afaf5a2dSDavid Somayajulu MODULE_AUTHOR("QLogic Corporation"); 8132afaf5a2dSDavid Somayajulu MODULE_DESCRIPTION("QLogic iSCSI HBA Driver"); 8133afaf5a2dSDavid Somayajulu MODULE_LICENSE("GPL"); 8134afaf5a2dSDavid Somayajulu MODULE_VERSION(QLA4XXX_DRIVER_VERSION); 8135