1afaf5a2dSDavid Somayajulu /* 2afaf5a2dSDavid Somayajulu * QLogic iSCSI HBA Driver 34a4f51e9SVikas Chaudhary * Copyright (c) 2003-2013 QLogic Corporation 4afaf5a2dSDavid Somayajulu * 5afaf5a2dSDavid Somayajulu * See LICENSE.qla4xxx for copyright and licensing details. 6afaf5a2dSDavid Somayajulu */ 7afaf5a2dSDavid Somayajulu #include <linux/moduleparam.h> 85a0e3ad6STejun Heo #include <linux/slab.h> 92a991c21SManish Rangankar #include <linux/blkdev.h> 102a991c21SManish Rangankar #include <linux/iscsi_boot_sysfs.h> 1113483730SMike Christie #include <linux/inet.h> 12afaf5a2dSDavid Somayajulu 13afaf5a2dSDavid Somayajulu #include <scsi/scsi_tcq.h> 14afaf5a2dSDavid Somayajulu #include <scsi/scsicam.h> 15afaf5a2dSDavid Somayajulu 16afaf5a2dSDavid Somayajulu #include "ql4_def.h" 17bee4fe8eSDavid C Somayajulu #include "ql4_version.h" 18bee4fe8eSDavid C Somayajulu #include "ql4_glbl.h" 19bee4fe8eSDavid C Somayajulu #include "ql4_dbg.h" 20bee4fe8eSDavid C Somayajulu #include "ql4_inline.h" 216e7b4292SVikas Chaudhary #include "ql4_83xx.h" 22afaf5a2dSDavid Somayajulu 23afaf5a2dSDavid Somayajulu /* 24afaf5a2dSDavid Somayajulu * Driver version 25afaf5a2dSDavid Somayajulu */ 2647975477SAdrian Bunk static char qla4xxx_version_str[40]; 27afaf5a2dSDavid Somayajulu 28afaf5a2dSDavid Somayajulu /* 29afaf5a2dSDavid Somayajulu * SRB allocation cache 30afaf5a2dSDavid Somayajulu */ 31e18b890bSChristoph Lameter static struct kmem_cache *srb_cachep; 32afaf5a2dSDavid Somayajulu 33afaf5a2dSDavid Somayajulu /* 34afaf5a2dSDavid Somayajulu * Module parameter information and variables 35afaf5a2dSDavid Somayajulu */ 36a7380a65SVikas Chaudhary static int ql4xdisablesysfsboot = 1; 3713483730SMike Christie module_param(ql4xdisablesysfsboot, int, S_IRUGO | S_IWUSR); 3813483730SMike Christie MODULE_PARM_DESC(ql4xdisablesysfsboot, 39a4e8a715SKaren Higgins " Set to disable exporting boot targets to sysfs.\n" 40a4e8a715SKaren Higgins "\t\t 0 - Export boot targets\n" 41a4e8a715SKaren Higgins "\t\t 1 - Do not export boot targets (Default)"); 4213483730SMike Christie 433573bfb2SVikas Chaudhary int ql4xdontresethba; 44f4f5df23SVikas Chaudhary module_param(ql4xdontresethba, int, S_IRUGO | S_IWUSR); 45afaf5a2dSDavid Somayajulu MODULE_PARM_DESC(ql4xdontresethba, 46a4e8a715SKaren Higgins " Don't reset the HBA for driver recovery.\n" 47a4e8a715SKaren Higgins "\t\t 0 - It will reset HBA (Default)\n" 48a4e8a715SKaren Higgins "\t\t 1 - It will NOT reset HBA"); 49afaf5a2dSDavid Somayajulu 50a4e8a715SKaren Higgins int ql4xextended_error_logging; 51f4f5df23SVikas Chaudhary module_param(ql4xextended_error_logging, int, S_IRUGO | S_IWUSR); 5211010fecSAndrew Vasquez MODULE_PARM_DESC(ql4xextended_error_logging, 53a4e8a715SKaren Higgins " Option to enable extended error logging.\n" 54a4e8a715SKaren Higgins "\t\t 0 - no logging (Default)\n" 55a4e8a715SKaren Higgins "\t\t 2 - debug logging"); 56afaf5a2dSDavid Somayajulu 57f4f5df23SVikas Chaudhary int ql4xenablemsix = 1; 58f4f5df23SVikas Chaudhary module_param(ql4xenablemsix, int, S_IRUGO|S_IWUSR); 59f4f5df23SVikas Chaudhary MODULE_PARM_DESC(ql4xenablemsix, 60f4f5df23SVikas Chaudhary " Set to enable MSI or MSI-X interrupt mechanism.\n" 61a4e8a715SKaren Higgins "\t\t 0 = enable INTx interrupt mechanism.\n" 62a4e8a715SKaren Higgins "\t\t 1 = enable MSI-X interrupt mechanism (Default).\n" 63a4e8a715SKaren Higgins "\t\t 2 = enable MSI interrupt mechanism."); 64477ffb9dSDavid C Somayajulu 65d510d965SMike Christie #define QL4_DEF_QDEPTH 32 668bb4033dSVikas Chaudhary static int ql4xmaxqdepth = QL4_DEF_QDEPTH; 678bb4033dSVikas Chaudhary module_param(ql4xmaxqdepth, int, S_IRUGO | S_IWUSR); 688bb4033dSVikas Chaudhary MODULE_PARM_DESC(ql4xmaxqdepth, 698bb4033dSVikas Chaudhary " Maximum queue depth to report for target devices.\n" 70a4e8a715SKaren Higgins "\t\t Default: 32."); 71d510d965SMike Christie 72f7b4aa63STej Parkash static int ql4xqfulltracking = 1; 73f7b4aa63STej Parkash module_param(ql4xqfulltracking, int, S_IRUGO | S_IWUSR); 74f7b4aa63STej Parkash MODULE_PARM_DESC(ql4xqfulltracking, 75f7b4aa63STej Parkash " Enable or disable dynamic tracking and adjustment of\n" 76f7b4aa63STej Parkash "\t\t scsi device queue depth.\n" 77f7b4aa63STej Parkash "\t\t 0 - Disable.\n" 78f7b4aa63STej Parkash "\t\t 1 - Enable. (Default)"); 79f7b4aa63STej Parkash 803038727cSVikas Chaudhary static int ql4xsess_recovery_tmo = QL4_SESS_RECOVERY_TMO; 813038727cSVikas Chaudhary module_param(ql4xsess_recovery_tmo, int, S_IRUGO); 823038727cSVikas Chaudhary MODULE_PARM_DESC(ql4xsess_recovery_tmo, 833038727cSVikas Chaudhary " Target Session Recovery Timeout.\n" 84a4e8a715SKaren Higgins "\t\t Default: 120 sec."); 853038727cSVikas Chaudhary 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: 3818cc91d42SAdheer Chandravanshi case ISCSI_PARAM_AUTO_SND_TGT_DISABLE: 3828cc91d42SAdheer Chandravanshi case ISCSI_PARAM_DISCOVERY_SESS: 3838cc91d42SAdheer Chandravanshi case ISCSI_PARAM_PORTAL_TYPE: 3848cc91d42SAdheer Chandravanshi case ISCSI_PARAM_CHAP_AUTH_EN: 3858cc91d42SAdheer Chandravanshi case ISCSI_PARAM_DISCOVERY_LOGOUT_EN: 3868cc91d42SAdheer Chandravanshi case ISCSI_PARAM_BIDI_CHAP_EN: 3878cc91d42SAdheer Chandravanshi case ISCSI_PARAM_DISCOVERY_AUTH_OPTIONAL: 3888cc91d42SAdheer Chandravanshi case ISCSI_PARAM_DEF_TIME2WAIT: 3898cc91d42SAdheer Chandravanshi case ISCSI_PARAM_DEF_TIME2RETAIN: 3908cc91d42SAdheer Chandravanshi case ISCSI_PARAM_HDRDGST_EN: 3918cc91d42SAdheer Chandravanshi case ISCSI_PARAM_DATADGST_EN: 3928cc91d42SAdheer Chandravanshi case ISCSI_PARAM_INITIAL_R2T_EN: 3938cc91d42SAdheer Chandravanshi case ISCSI_PARAM_IMM_DATA_EN: 3948cc91d42SAdheer Chandravanshi case ISCSI_PARAM_PDU_INORDER_EN: 3958cc91d42SAdheer Chandravanshi case ISCSI_PARAM_DATASEQ_INORDER_EN: 3968cc91d42SAdheer Chandravanshi case ISCSI_PARAM_MAX_SEGMENT_SIZE: 3978cc91d42SAdheer Chandravanshi case ISCSI_PARAM_TCP_TIMESTAMP_STAT: 3988cc91d42SAdheer Chandravanshi case ISCSI_PARAM_TCP_WSF_DISABLE: 3998cc91d42SAdheer Chandravanshi case ISCSI_PARAM_TCP_NAGLE_DISABLE: 4008cc91d42SAdheer Chandravanshi case ISCSI_PARAM_TCP_TIMER_SCALE: 4018cc91d42SAdheer Chandravanshi case ISCSI_PARAM_TCP_TIMESTAMP_EN: 4028cc91d42SAdheer Chandravanshi case ISCSI_PARAM_TCP_XMIT_WSF: 4038cc91d42SAdheer Chandravanshi case ISCSI_PARAM_TCP_RECV_WSF: 4048cc91d42SAdheer Chandravanshi case ISCSI_PARAM_IP_FRAGMENT_DISABLE: 4058cc91d42SAdheer Chandravanshi case ISCSI_PARAM_IPV4_TOS: 4068cc91d42SAdheer Chandravanshi case ISCSI_PARAM_IPV6_TC: 4078cc91d42SAdheer Chandravanshi case ISCSI_PARAM_IPV6_FLOW_LABEL: 4088cc91d42SAdheer Chandravanshi case ISCSI_PARAM_IS_FW_ASSIGNED_IPV6: 4098cc91d42SAdheer Chandravanshi case ISCSI_PARAM_KEEPALIVE_TMO: 4108cc91d42SAdheer Chandravanshi case ISCSI_PARAM_LOCAL_PORT: 4118cc91d42SAdheer Chandravanshi case ISCSI_PARAM_ISID: 4128cc91d42SAdheer Chandravanshi case ISCSI_PARAM_TSID: 4138cc91d42SAdheer Chandravanshi case ISCSI_PARAM_DEF_TASKMGMT_TMO: 4148cc91d42SAdheer Chandravanshi case ISCSI_PARAM_ERL: 4158cc91d42SAdheer Chandravanshi case ISCSI_PARAM_STATSN: 4168cc91d42SAdheer Chandravanshi case ISCSI_PARAM_EXP_STATSN: 4178cc91d42SAdheer Chandravanshi case ISCSI_PARAM_DISCOVERY_PARENT_IDX: 4188cc91d42SAdheer Chandravanshi case ISCSI_PARAM_DISCOVERY_PARENT_TYPE: 4193128c6c7SMike Christie return S_IRUGO; 4203128c6c7SMike Christie default: 4213128c6c7SMike Christie return 0; 4223128c6c7SMike Christie } 423b78dbba0SMike Christie case ISCSI_NET_PARAM: 424b78dbba0SMike Christie switch (param) { 425b78dbba0SMike Christie case ISCSI_NET_PARAM_IPV4_ADDR: 426b78dbba0SMike Christie case ISCSI_NET_PARAM_IPV4_SUBNET: 427b78dbba0SMike Christie case ISCSI_NET_PARAM_IPV4_GW: 428b78dbba0SMike Christie case ISCSI_NET_PARAM_IPV4_BOOTPROTO: 429b78dbba0SMike Christie case ISCSI_NET_PARAM_IFACE_ENABLE: 430b78dbba0SMike Christie case ISCSI_NET_PARAM_IPV6_LINKLOCAL: 431b78dbba0SMike Christie case ISCSI_NET_PARAM_IPV6_ADDR: 432b78dbba0SMike Christie case ISCSI_NET_PARAM_IPV6_ROUTER: 433b78dbba0SMike Christie case ISCSI_NET_PARAM_IPV6_ADDR_AUTOCFG: 434b78dbba0SMike Christie case ISCSI_NET_PARAM_IPV6_LINKLOCAL_AUTOCFG: 4356ac73e8cSVikas Chaudhary case ISCSI_NET_PARAM_VLAN_ID: 4366ac73e8cSVikas Chaudhary case ISCSI_NET_PARAM_VLAN_PRIORITY: 4376ac73e8cSVikas Chaudhary case ISCSI_NET_PARAM_VLAN_ENABLED: 438943c157bSVikas Chaudhary case ISCSI_NET_PARAM_MTU: 4392ada7fc5SVikas Chaudhary case ISCSI_NET_PARAM_PORT: 440b78dbba0SMike Christie return S_IRUGO; 441b78dbba0SMike Christie default: 442b78dbba0SMike Christie return 0; 443b78dbba0SMike Christie } 4441e9e2be3SAdheer Chandravanshi case ISCSI_FLASHNODE_PARAM: 4451e9e2be3SAdheer Chandravanshi switch (param) { 4461e9e2be3SAdheer Chandravanshi case ISCSI_FLASHNODE_IS_FW_ASSIGNED_IPV6: 4471e9e2be3SAdheer Chandravanshi case ISCSI_FLASHNODE_PORTAL_TYPE: 4481e9e2be3SAdheer Chandravanshi case ISCSI_FLASHNODE_AUTO_SND_TGT_DISABLE: 4491e9e2be3SAdheer Chandravanshi case ISCSI_FLASHNODE_DISCOVERY_SESS: 4501e9e2be3SAdheer Chandravanshi case ISCSI_FLASHNODE_ENTRY_EN: 4511e9e2be3SAdheer Chandravanshi case ISCSI_FLASHNODE_HDR_DGST_EN: 4521e9e2be3SAdheer Chandravanshi case ISCSI_FLASHNODE_DATA_DGST_EN: 4531e9e2be3SAdheer Chandravanshi case ISCSI_FLASHNODE_IMM_DATA_EN: 4541e9e2be3SAdheer Chandravanshi case ISCSI_FLASHNODE_INITIAL_R2T_EN: 4551e9e2be3SAdheer Chandravanshi case ISCSI_FLASHNODE_DATASEQ_INORDER: 4561e9e2be3SAdheer Chandravanshi case ISCSI_FLASHNODE_PDU_INORDER: 4571e9e2be3SAdheer Chandravanshi case ISCSI_FLASHNODE_CHAP_AUTH_EN: 4581e9e2be3SAdheer Chandravanshi case ISCSI_FLASHNODE_SNACK_REQ_EN: 4591e9e2be3SAdheer Chandravanshi case ISCSI_FLASHNODE_DISCOVERY_LOGOUT_EN: 4601e9e2be3SAdheer Chandravanshi case ISCSI_FLASHNODE_BIDI_CHAP_EN: 4611e9e2be3SAdheer Chandravanshi case ISCSI_FLASHNODE_DISCOVERY_AUTH_OPTIONAL: 4621e9e2be3SAdheer Chandravanshi case ISCSI_FLASHNODE_ERL: 4631e9e2be3SAdheer Chandravanshi case ISCSI_FLASHNODE_TCP_TIMESTAMP_STAT: 4641e9e2be3SAdheer Chandravanshi case ISCSI_FLASHNODE_TCP_NAGLE_DISABLE: 4651e9e2be3SAdheer Chandravanshi case ISCSI_FLASHNODE_TCP_WSF_DISABLE: 4661e9e2be3SAdheer Chandravanshi case ISCSI_FLASHNODE_TCP_TIMER_SCALE: 4671e9e2be3SAdheer Chandravanshi case ISCSI_FLASHNODE_TCP_TIMESTAMP_EN: 4681e9e2be3SAdheer Chandravanshi case ISCSI_FLASHNODE_IP_FRAG_DISABLE: 4691e9e2be3SAdheer Chandravanshi case ISCSI_FLASHNODE_MAX_RECV_DLENGTH: 4701e9e2be3SAdheer Chandravanshi case ISCSI_FLASHNODE_MAX_XMIT_DLENGTH: 4711e9e2be3SAdheer Chandravanshi case ISCSI_FLASHNODE_FIRST_BURST: 4721e9e2be3SAdheer Chandravanshi case ISCSI_FLASHNODE_DEF_TIME2WAIT: 4731e9e2be3SAdheer Chandravanshi case ISCSI_FLASHNODE_DEF_TIME2RETAIN: 4741e9e2be3SAdheer Chandravanshi case ISCSI_FLASHNODE_MAX_R2T: 4751e9e2be3SAdheer Chandravanshi case ISCSI_FLASHNODE_KEEPALIVE_TMO: 4761e9e2be3SAdheer Chandravanshi case ISCSI_FLASHNODE_ISID: 4771e9e2be3SAdheer Chandravanshi case ISCSI_FLASHNODE_TSID: 4781e9e2be3SAdheer Chandravanshi case ISCSI_FLASHNODE_PORT: 4791e9e2be3SAdheer Chandravanshi case ISCSI_FLASHNODE_MAX_BURST: 4801e9e2be3SAdheer Chandravanshi case ISCSI_FLASHNODE_DEF_TASKMGMT_TMO: 4811e9e2be3SAdheer Chandravanshi case ISCSI_FLASHNODE_IPADDR: 4821e9e2be3SAdheer Chandravanshi case ISCSI_FLASHNODE_ALIAS: 4831e9e2be3SAdheer Chandravanshi case ISCSI_FLASHNODE_REDIRECT_IPADDR: 4841e9e2be3SAdheer Chandravanshi case ISCSI_FLASHNODE_MAX_SEGMENT_SIZE: 4851e9e2be3SAdheer Chandravanshi case ISCSI_FLASHNODE_LOCAL_PORT: 4861e9e2be3SAdheer Chandravanshi case ISCSI_FLASHNODE_IPV4_TOS: 4871e9e2be3SAdheer Chandravanshi case ISCSI_FLASHNODE_IPV6_TC: 4881e9e2be3SAdheer Chandravanshi case ISCSI_FLASHNODE_IPV6_FLOW_LABEL: 4891e9e2be3SAdheer Chandravanshi case ISCSI_FLASHNODE_NAME: 4901e9e2be3SAdheer Chandravanshi case ISCSI_FLASHNODE_TPGT: 4911e9e2be3SAdheer Chandravanshi case ISCSI_FLASHNODE_LINK_LOCAL_IPV6: 4921e9e2be3SAdheer Chandravanshi case ISCSI_FLASHNODE_DISCOVERY_PARENT_IDX: 4931e9e2be3SAdheer Chandravanshi case ISCSI_FLASHNODE_DISCOVERY_PARENT_TYPE: 4941e9e2be3SAdheer Chandravanshi case ISCSI_FLASHNODE_TCP_XMIT_WSF: 4951e9e2be3SAdheer Chandravanshi case ISCSI_FLASHNODE_TCP_RECV_WSF: 4961e9e2be3SAdheer Chandravanshi case ISCSI_FLASHNODE_CHAP_OUT_IDX: 4971e9e2be3SAdheer Chandravanshi case ISCSI_FLASHNODE_USERNAME: 4981e9e2be3SAdheer Chandravanshi case ISCSI_FLASHNODE_PASSWORD: 4991e9e2be3SAdheer Chandravanshi case ISCSI_FLASHNODE_STATSN: 5001e9e2be3SAdheer Chandravanshi case ISCSI_FLASHNODE_EXP_STATSN: 5011e9e2be3SAdheer Chandravanshi case ISCSI_FLASHNODE_IS_BOOT_TGT: 5021e9e2be3SAdheer Chandravanshi return S_IRUGO; 5031e9e2be3SAdheer Chandravanshi default: 5041e9e2be3SAdheer Chandravanshi return 0; 5051e9e2be3SAdheer Chandravanshi } 5063128c6c7SMike Christie } 5073128c6c7SMike Christie 5083128c6c7SMike Christie return 0; 5093128c6c7SMike Christie } 5103128c6c7SMike Christie 511376738afSNilesh Javali static int qla4xxx_get_chap_list(struct Scsi_Host *shost, uint16_t chap_tbl_idx, 512376738afSNilesh Javali uint32_t *num_entries, char *buf) 513376738afSNilesh Javali { 514376738afSNilesh Javali struct scsi_qla_host *ha = to_qla_host(shost); 515376738afSNilesh Javali struct ql4_chap_table *chap_table; 516376738afSNilesh Javali struct iscsi_chap_rec *chap_rec; 517376738afSNilesh Javali int max_chap_entries = 0; 518376738afSNilesh Javali int valid_chap_entries = 0; 519376738afSNilesh Javali int ret = 0, i; 520376738afSNilesh Javali 521d11b0ca3SVikas Chaudhary if (is_qla80XX(ha)) 522376738afSNilesh Javali max_chap_entries = (ha->hw.flt_chap_size / 2) / 523376738afSNilesh Javali sizeof(struct ql4_chap_table); 524376738afSNilesh Javali else 525376738afSNilesh Javali max_chap_entries = MAX_CHAP_ENTRIES_40XX; 526376738afSNilesh Javali 527376738afSNilesh Javali ql4_printk(KERN_INFO, ha, "%s: num_entries = %d, CHAP idx = %d\n", 528376738afSNilesh Javali __func__, *num_entries, chap_tbl_idx); 529376738afSNilesh Javali 530376738afSNilesh Javali if (!buf) { 531376738afSNilesh Javali ret = -ENOMEM; 532376738afSNilesh Javali goto exit_get_chap_list; 533376738afSNilesh Javali } 534376738afSNilesh Javali 535376738afSNilesh Javali chap_rec = (struct iscsi_chap_rec *) buf; 536376738afSNilesh Javali mutex_lock(&ha->chap_sem); 537376738afSNilesh Javali for (i = chap_tbl_idx; i < max_chap_entries; i++) { 538376738afSNilesh Javali chap_table = (struct ql4_chap_table *)ha->chap_list + i; 539376738afSNilesh Javali if (chap_table->cookie != 540376738afSNilesh Javali __constant_cpu_to_le16(CHAP_VALID_COOKIE)) 541376738afSNilesh Javali continue; 542376738afSNilesh Javali 543376738afSNilesh Javali chap_rec->chap_tbl_idx = i; 544376738afSNilesh Javali strncpy(chap_rec->username, chap_table->name, 545376738afSNilesh Javali ISCSI_CHAP_AUTH_NAME_MAX_LEN); 546376738afSNilesh Javali strncpy(chap_rec->password, chap_table->secret, 547376738afSNilesh Javali QL4_CHAP_MAX_SECRET_LEN); 548376738afSNilesh Javali chap_rec->password_length = chap_table->secret_len; 549376738afSNilesh Javali 550376738afSNilesh Javali if (chap_table->flags & BIT_7) /* local */ 551376738afSNilesh Javali chap_rec->chap_type = CHAP_TYPE_OUT; 552376738afSNilesh Javali 553376738afSNilesh Javali if (chap_table->flags & BIT_6) /* peer */ 554376738afSNilesh Javali chap_rec->chap_type = CHAP_TYPE_IN; 555376738afSNilesh Javali 556376738afSNilesh Javali chap_rec++; 557376738afSNilesh Javali 558376738afSNilesh Javali valid_chap_entries++; 559376738afSNilesh Javali if (valid_chap_entries == *num_entries) 560376738afSNilesh Javali break; 561376738afSNilesh Javali else 562376738afSNilesh Javali continue; 563376738afSNilesh Javali } 564376738afSNilesh Javali mutex_unlock(&ha->chap_sem); 565376738afSNilesh Javali 566376738afSNilesh Javali exit_get_chap_list: 567376738afSNilesh Javali ql4_printk(KERN_INFO, ha, "%s: Valid CHAP Entries = %d\n", 568376738afSNilesh Javali __func__, valid_chap_entries); 569376738afSNilesh Javali *num_entries = valid_chap_entries; 570376738afSNilesh Javali return ret; 571376738afSNilesh Javali } 572376738afSNilesh Javali 573376738afSNilesh Javali static int __qla4xxx_is_chap_active(struct device *dev, void *data) 574376738afSNilesh Javali { 575376738afSNilesh Javali int ret = 0; 576376738afSNilesh Javali uint16_t *chap_tbl_idx = (uint16_t *) data; 577376738afSNilesh Javali struct iscsi_cls_session *cls_session; 578376738afSNilesh Javali struct iscsi_session *sess; 579376738afSNilesh Javali struct ddb_entry *ddb_entry; 580376738afSNilesh Javali 581376738afSNilesh Javali if (!iscsi_is_session_dev(dev)) 582376738afSNilesh Javali goto exit_is_chap_active; 583376738afSNilesh Javali 584376738afSNilesh Javali cls_session = iscsi_dev_to_session(dev); 585376738afSNilesh Javali sess = cls_session->dd_data; 586376738afSNilesh Javali ddb_entry = sess->dd_data; 587376738afSNilesh Javali 588376738afSNilesh Javali if (iscsi_session_chkready(cls_session)) 589376738afSNilesh Javali goto exit_is_chap_active; 590376738afSNilesh Javali 591376738afSNilesh Javali if (ddb_entry->chap_tbl_idx == *chap_tbl_idx) 592376738afSNilesh Javali ret = 1; 593376738afSNilesh Javali 594376738afSNilesh Javali exit_is_chap_active: 595376738afSNilesh Javali return ret; 596376738afSNilesh Javali } 597376738afSNilesh Javali 598376738afSNilesh Javali static int qla4xxx_is_chap_active(struct Scsi_Host *shost, 599376738afSNilesh Javali uint16_t chap_tbl_idx) 600376738afSNilesh Javali { 601376738afSNilesh Javali int ret = 0; 602376738afSNilesh Javali 603376738afSNilesh Javali ret = device_for_each_child(&shost->shost_gendev, &chap_tbl_idx, 604376738afSNilesh Javali __qla4xxx_is_chap_active); 605376738afSNilesh Javali 606376738afSNilesh Javali return ret; 607376738afSNilesh Javali } 608376738afSNilesh Javali 609376738afSNilesh Javali static int qla4xxx_delete_chap(struct Scsi_Host *shost, uint16_t chap_tbl_idx) 610376738afSNilesh Javali { 611376738afSNilesh Javali struct scsi_qla_host *ha = to_qla_host(shost); 612376738afSNilesh Javali struct ql4_chap_table *chap_table; 613376738afSNilesh Javali dma_addr_t chap_dma; 614376738afSNilesh Javali int max_chap_entries = 0; 615376738afSNilesh Javali uint32_t offset = 0; 616376738afSNilesh Javali uint32_t chap_size; 617376738afSNilesh Javali int ret = 0; 618376738afSNilesh Javali 619376738afSNilesh Javali chap_table = dma_pool_alloc(ha->chap_dma_pool, GFP_KERNEL, &chap_dma); 620376738afSNilesh Javali if (chap_table == NULL) 621376738afSNilesh Javali return -ENOMEM; 622376738afSNilesh Javali 623376738afSNilesh Javali memset(chap_table, 0, sizeof(struct ql4_chap_table)); 624376738afSNilesh Javali 625d11b0ca3SVikas Chaudhary if (is_qla80XX(ha)) 626376738afSNilesh Javali max_chap_entries = (ha->hw.flt_chap_size / 2) / 627376738afSNilesh Javali sizeof(struct ql4_chap_table); 628376738afSNilesh Javali else 629376738afSNilesh Javali max_chap_entries = MAX_CHAP_ENTRIES_40XX; 630376738afSNilesh Javali 631376738afSNilesh Javali if (chap_tbl_idx > max_chap_entries) { 632376738afSNilesh Javali ret = -EINVAL; 633376738afSNilesh Javali goto exit_delete_chap; 634376738afSNilesh Javali } 635376738afSNilesh Javali 636376738afSNilesh Javali /* Check if chap index is in use. 637376738afSNilesh Javali * If chap is in use don't delet chap entry */ 638376738afSNilesh Javali ret = qla4xxx_is_chap_active(shost, chap_tbl_idx); 639376738afSNilesh Javali if (ret) { 640376738afSNilesh Javali ql4_printk(KERN_INFO, ha, "CHAP entry %d is in use, cannot " 641376738afSNilesh Javali "delete from flash\n", chap_tbl_idx); 642376738afSNilesh Javali ret = -EBUSY; 643376738afSNilesh Javali goto exit_delete_chap; 644376738afSNilesh Javali } 645376738afSNilesh Javali 646376738afSNilesh Javali chap_size = sizeof(struct ql4_chap_table); 647376738afSNilesh Javali if (is_qla40XX(ha)) 648376738afSNilesh Javali offset = FLASH_CHAP_OFFSET | (chap_tbl_idx * chap_size); 649376738afSNilesh Javali else { 650376738afSNilesh Javali offset = FLASH_RAW_ACCESS_ADDR + (ha->hw.flt_region_chap << 2); 651376738afSNilesh Javali /* flt_chap_size is CHAP table size for both ports 652376738afSNilesh Javali * so divide it by 2 to calculate the offset for second port 653376738afSNilesh Javali */ 654376738afSNilesh Javali if (ha->port_num == 1) 655376738afSNilesh Javali offset += (ha->hw.flt_chap_size / 2); 656376738afSNilesh Javali offset += (chap_tbl_idx * chap_size); 657376738afSNilesh Javali } 658376738afSNilesh Javali 659376738afSNilesh Javali ret = qla4xxx_get_flash(ha, chap_dma, offset, chap_size); 660376738afSNilesh Javali if (ret != QLA_SUCCESS) { 661376738afSNilesh Javali ret = -EINVAL; 662376738afSNilesh Javali goto exit_delete_chap; 663376738afSNilesh Javali } 664376738afSNilesh Javali 665376738afSNilesh Javali DEBUG2(ql4_printk(KERN_INFO, ha, "Chap Cookie: x%x\n", 666376738afSNilesh Javali __le16_to_cpu(chap_table->cookie))); 667376738afSNilesh Javali 668376738afSNilesh Javali if (__le16_to_cpu(chap_table->cookie) != CHAP_VALID_COOKIE) { 669376738afSNilesh Javali ql4_printk(KERN_ERR, ha, "No valid chap entry found\n"); 670376738afSNilesh Javali goto exit_delete_chap; 671376738afSNilesh Javali } 672376738afSNilesh Javali 673376738afSNilesh Javali chap_table->cookie = __constant_cpu_to_le16(0xFFFF); 674376738afSNilesh Javali 675376738afSNilesh Javali offset = FLASH_CHAP_OFFSET | 676376738afSNilesh Javali (chap_tbl_idx * sizeof(struct ql4_chap_table)); 677376738afSNilesh Javali ret = qla4xxx_set_flash(ha, chap_dma, offset, chap_size, 678376738afSNilesh Javali FLASH_OPT_RMW_COMMIT); 679376738afSNilesh Javali if (ret == QLA_SUCCESS && ha->chap_list) { 680376738afSNilesh Javali mutex_lock(&ha->chap_sem); 681376738afSNilesh Javali /* Update ha chap_list cache */ 682376738afSNilesh Javali memcpy((struct ql4_chap_table *)ha->chap_list + chap_tbl_idx, 683376738afSNilesh Javali chap_table, sizeof(struct ql4_chap_table)); 684376738afSNilesh Javali mutex_unlock(&ha->chap_sem); 685376738afSNilesh Javali } 686376738afSNilesh Javali if (ret != QLA_SUCCESS) 687376738afSNilesh Javali ret = -EINVAL; 688376738afSNilesh Javali 689376738afSNilesh Javali exit_delete_chap: 690376738afSNilesh Javali dma_pool_free(ha->chap_dma_pool, chap_table, chap_dma); 691376738afSNilesh Javali return ret; 692376738afSNilesh Javali } 693376738afSNilesh Javali 694ed1086e0SVikas Chaudhary static int qla4xxx_get_iface_param(struct iscsi_iface *iface, 695ed1086e0SVikas Chaudhary enum iscsi_param_type param_type, 696ed1086e0SVikas Chaudhary int param, char *buf) 697ed1086e0SVikas Chaudhary { 698ed1086e0SVikas Chaudhary struct Scsi_Host *shost = iscsi_iface_to_shost(iface); 699ed1086e0SVikas Chaudhary struct scsi_qla_host *ha = to_qla_host(shost); 700ed1086e0SVikas Chaudhary int len = -ENOSYS; 701ed1086e0SVikas Chaudhary 702ed1086e0SVikas Chaudhary if (param_type != ISCSI_NET_PARAM) 703ed1086e0SVikas Chaudhary return -ENOSYS; 704ed1086e0SVikas Chaudhary 705ed1086e0SVikas Chaudhary switch (param) { 706ed1086e0SVikas Chaudhary case ISCSI_NET_PARAM_IPV4_ADDR: 707ed1086e0SVikas Chaudhary len = sprintf(buf, "%pI4\n", &ha->ip_config.ip_address); 708ed1086e0SVikas Chaudhary break; 709ed1086e0SVikas Chaudhary case ISCSI_NET_PARAM_IPV4_SUBNET: 710ed1086e0SVikas Chaudhary len = sprintf(buf, "%pI4\n", &ha->ip_config.subnet_mask); 711ed1086e0SVikas Chaudhary break; 712ed1086e0SVikas Chaudhary case ISCSI_NET_PARAM_IPV4_GW: 713ed1086e0SVikas Chaudhary len = sprintf(buf, "%pI4\n", &ha->ip_config.gateway); 714ed1086e0SVikas Chaudhary break; 715ed1086e0SVikas Chaudhary case ISCSI_NET_PARAM_IFACE_ENABLE: 716ed1086e0SVikas Chaudhary if (iface->iface_type == ISCSI_IFACE_TYPE_IPV4) 717ed1086e0SVikas Chaudhary len = sprintf(buf, "%s\n", 718ed1086e0SVikas Chaudhary (ha->ip_config.ipv4_options & 719ed1086e0SVikas Chaudhary IPOPT_IPV4_PROTOCOL_ENABLE) ? 720ed1086e0SVikas Chaudhary "enabled" : "disabled"); 721ed1086e0SVikas Chaudhary else if (iface->iface_type == ISCSI_IFACE_TYPE_IPV6) 722ed1086e0SVikas Chaudhary len = sprintf(buf, "%s\n", 723ed1086e0SVikas Chaudhary (ha->ip_config.ipv6_options & 724ed1086e0SVikas Chaudhary IPV6_OPT_IPV6_PROTOCOL_ENABLE) ? 725ed1086e0SVikas Chaudhary "enabled" : "disabled"); 726ed1086e0SVikas Chaudhary break; 727ed1086e0SVikas Chaudhary case ISCSI_NET_PARAM_IPV4_BOOTPROTO: 728ed1086e0SVikas Chaudhary len = sprintf(buf, "%s\n", 729ed1086e0SVikas Chaudhary (ha->ip_config.tcp_options & TCPOPT_DHCP_ENABLE) ? 730ed1086e0SVikas Chaudhary "dhcp" : "static"); 731ed1086e0SVikas Chaudhary break; 732ed1086e0SVikas Chaudhary case ISCSI_NET_PARAM_IPV6_ADDR: 733ed1086e0SVikas Chaudhary if (iface->iface_num == 0) 734ed1086e0SVikas Chaudhary len = sprintf(buf, "%pI6\n", &ha->ip_config.ipv6_addr0); 735ed1086e0SVikas Chaudhary if (iface->iface_num == 1) 736ed1086e0SVikas Chaudhary len = sprintf(buf, "%pI6\n", &ha->ip_config.ipv6_addr1); 737ed1086e0SVikas Chaudhary break; 738ed1086e0SVikas Chaudhary case ISCSI_NET_PARAM_IPV6_LINKLOCAL: 739ed1086e0SVikas Chaudhary len = sprintf(buf, "%pI6\n", 740ed1086e0SVikas Chaudhary &ha->ip_config.ipv6_link_local_addr); 741ed1086e0SVikas Chaudhary break; 742ed1086e0SVikas Chaudhary case ISCSI_NET_PARAM_IPV6_ROUTER: 743ed1086e0SVikas Chaudhary len = sprintf(buf, "%pI6\n", 744ed1086e0SVikas Chaudhary &ha->ip_config.ipv6_default_router_addr); 745ed1086e0SVikas Chaudhary break; 746ed1086e0SVikas Chaudhary case ISCSI_NET_PARAM_IPV6_ADDR_AUTOCFG: 747ed1086e0SVikas Chaudhary len = sprintf(buf, "%s\n", 748ed1086e0SVikas Chaudhary (ha->ip_config.ipv6_addl_options & 749ed1086e0SVikas Chaudhary IPV6_ADDOPT_NEIGHBOR_DISCOVERY_ADDR_ENABLE) ? 750ed1086e0SVikas Chaudhary "nd" : "static"); 751ed1086e0SVikas Chaudhary break; 752ed1086e0SVikas Chaudhary case ISCSI_NET_PARAM_IPV6_LINKLOCAL_AUTOCFG: 753ed1086e0SVikas Chaudhary len = sprintf(buf, "%s\n", 754ed1086e0SVikas Chaudhary (ha->ip_config.ipv6_addl_options & 755ed1086e0SVikas Chaudhary IPV6_ADDOPT_AUTOCONFIG_LINK_LOCAL_ADDR) ? 756ed1086e0SVikas Chaudhary "auto" : "static"); 757ed1086e0SVikas Chaudhary break; 7586ac73e8cSVikas Chaudhary case ISCSI_NET_PARAM_VLAN_ID: 7596ac73e8cSVikas Chaudhary if (iface->iface_type == ISCSI_IFACE_TYPE_IPV4) 7606ac73e8cSVikas Chaudhary len = sprintf(buf, "%d\n", 7616ac73e8cSVikas Chaudhary (ha->ip_config.ipv4_vlan_tag & 7626ac73e8cSVikas Chaudhary ISCSI_MAX_VLAN_ID)); 7636ac73e8cSVikas Chaudhary else if (iface->iface_type == ISCSI_IFACE_TYPE_IPV6) 7646ac73e8cSVikas Chaudhary len = sprintf(buf, "%d\n", 7656ac73e8cSVikas Chaudhary (ha->ip_config.ipv6_vlan_tag & 7666ac73e8cSVikas Chaudhary ISCSI_MAX_VLAN_ID)); 7676ac73e8cSVikas Chaudhary break; 7686ac73e8cSVikas Chaudhary case ISCSI_NET_PARAM_VLAN_PRIORITY: 7696ac73e8cSVikas Chaudhary if (iface->iface_type == ISCSI_IFACE_TYPE_IPV4) 7706ac73e8cSVikas Chaudhary len = sprintf(buf, "%d\n", 7716ac73e8cSVikas Chaudhary ((ha->ip_config.ipv4_vlan_tag >> 13) & 7726ac73e8cSVikas Chaudhary ISCSI_MAX_VLAN_PRIORITY)); 7736ac73e8cSVikas Chaudhary else if (iface->iface_type == ISCSI_IFACE_TYPE_IPV6) 7746ac73e8cSVikas Chaudhary len = sprintf(buf, "%d\n", 7756ac73e8cSVikas Chaudhary ((ha->ip_config.ipv6_vlan_tag >> 13) & 7766ac73e8cSVikas Chaudhary ISCSI_MAX_VLAN_PRIORITY)); 7776ac73e8cSVikas Chaudhary break; 7786ac73e8cSVikas Chaudhary case ISCSI_NET_PARAM_VLAN_ENABLED: 7796ac73e8cSVikas Chaudhary if (iface->iface_type == ISCSI_IFACE_TYPE_IPV4) 7806ac73e8cSVikas Chaudhary len = sprintf(buf, "%s\n", 7816ac73e8cSVikas Chaudhary (ha->ip_config.ipv4_options & 7826ac73e8cSVikas Chaudhary IPOPT_VLAN_TAGGING_ENABLE) ? 7836ac73e8cSVikas Chaudhary "enabled" : "disabled"); 7846ac73e8cSVikas Chaudhary else if (iface->iface_type == ISCSI_IFACE_TYPE_IPV6) 7856ac73e8cSVikas Chaudhary len = sprintf(buf, "%s\n", 7866ac73e8cSVikas Chaudhary (ha->ip_config.ipv6_options & 7876ac73e8cSVikas Chaudhary IPV6_OPT_VLAN_TAGGING_ENABLE) ? 7886ac73e8cSVikas Chaudhary "enabled" : "disabled"); 7896ac73e8cSVikas Chaudhary break; 790943c157bSVikas Chaudhary case ISCSI_NET_PARAM_MTU: 791943c157bSVikas Chaudhary len = sprintf(buf, "%d\n", ha->ip_config.eth_mtu_size); 792943c157bSVikas Chaudhary break; 7932ada7fc5SVikas Chaudhary case ISCSI_NET_PARAM_PORT: 7942ada7fc5SVikas Chaudhary if (iface->iface_type == ISCSI_IFACE_TYPE_IPV4) 7952ada7fc5SVikas Chaudhary len = sprintf(buf, "%d\n", ha->ip_config.ipv4_port); 7962ada7fc5SVikas Chaudhary else if (iface->iface_type == ISCSI_IFACE_TYPE_IPV6) 7972ada7fc5SVikas Chaudhary len = sprintf(buf, "%d\n", ha->ip_config.ipv6_port); 7982ada7fc5SVikas Chaudhary break; 799ed1086e0SVikas Chaudhary default: 800ed1086e0SVikas Chaudhary len = -ENOSYS; 801ed1086e0SVikas Chaudhary } 802ed1086e0SVikas Chaudhary 803ed1086e0SVikas Chaudhary return len; 804ed1086e0SVikas Chaudhary } 805ed1086e0SVikas Chaudhary 806b3a271a9SManish Rangankar static struct iscsi_endpoint * 807b3a271a9SManish Rangankar qla4xxx_ep_connect(struct Scsi_Host *shost, struct sockaddr *dst_addr, 808b3a271a9SManish Rangankar int non_blocking) 809b3a271a9SManish Rangankar { 810b3a271a9SManish Rangankar int ret; 811b3a271a9SManish Rangankar struct iscsi_endpoint *ep; 812b3a271a9SManish Rangankar struct qla_endpoint *qla_ep; 813b3a271a9SManish Rangankar struct scsi_qla_host *ha; 814b3a271a9SManish Rangankar struct sockaddr_in *addr; 815b3a271a9SManish Rangankar struct sockaddr_in6 *addr6; 816b3a271a9SManish Rangankar 817b3a271a9SManish Rangankar DEBUG2(printk(KERN_INFO "Func: %s\n", __func__)); 818b3a271a9SManish Rangankar if (!shost) { 819b3a271a9SManish Rangankar ret = -ENXIO; 820b3a271a9SManish Rangankar printk(KERN_ERR "%s: shost is NULL\n", 821b3a271a9SManish Rangankar __func__); 822b3a271a9SManish Rangankar return ERR_PTR(ret); 823b3a271a9SManish Rangankar } 824b3a271a9SManish Rangankar 825b3a271a9SManish Rangankar ha = iscsi_host_priv(shost); 826b3a271a9SManish Rangankar 827b3a271a9SManish Rangankar ep = iscsi_create_endpoint(sizeof(struct qla_endpoint)); 828b3a271a9SManish Rangankar if (!ep) { 829b3a271a9SManish Rangankar ret = -ENOMEM; 830b3a271a9SManish Rangankar return ERR_PTR(ret); 831b3a271a9SManish Rangankar } 832b3a271a9SManish Rangankar 833b3a271a9SManish Rangankar qla_ep = ep->dd_data; 834b3a271a9SManish Rangankar memset(qla_ep, 0, sizeof(struct qla_endpoint)); 835b3a271a9SManish Rangankar if (dst_addr->sa_family == AF_INET) { 836b3a271a9SManish Rangankar memcpy(&qla_ep->dst_addr, dst_addr, sizeof(struct sockaddr_in)); 837b3a271a9SManish Rangankar addr = (struct sockaddr_in *)&qla_ep->dst_addr; 838b3a271a9SManish Rangankar DEBUG2(ql4_printk(KERN_INFO, ha, "%s: %pI4\n", __func__, 839b3a271a9SManish Rangankar (char *)&addr->sin_addr)); 840b3a271a9SManish Rangankar } else if (dst_addr->sa_family == AF_INET6) { 841b3a271a9SManish Rangankar memcpy(&qla_ep->dst_addr, dst_addr, 842b3a271a9SManish Rangankar sizeof(struct sockaddr_in6)); 843b3a271a9SManish Rangankar addr6 = (struct sockaddr_in6 *)&qla_ep->dst_addr; 844b3a271a9SManish Rangankar DEBUG2(ql4_printk(KERN_INFO, ha, "%s: %pI6\n", __func__, 845b3a271a9SManish Rangankar (char *)&addr6->sin6_addr)); 846b3a271a9SManish Rangankar } 847b3a271a9SManish Rangankar 848b3a271a9SManish Rangankar qla_ep->host = shost; 849b3a271a9SManish Rangankar 850b3a271a9SManish Rangankar return ep; 851b3a271a9SManish Rangankar } 852b3a271a9SManish Rangankar 853b3a271a9SManish Rangankar static int qla4xxx_ep_poll(struct iscsi_endpoint *ep, int timeout_ms) 854b3a271a9SManish Rangankar { 855b3a271a9SManish Rangankar struct qla_endpoint *qla_ep; 856b3a271a9SManish Rangankar struct scsi_qla_host *ha; 857b3a271a9SManish Rangankar int ret = 0; 858b3a271a9SManish Rangankar 859b3a271a9SManish Rangankar DEBUG2(printk(KERN_INFO "Func: %s\n", __func__)); 860b3a271a9SManish Rangankar qla_ep = ep->dd_data; 861b3a271a9SManish Rangankar ha = to_qla_host(qla_ep->host); 862b3a271a9SManish Rangankar 86313483730SMike Christie if (adapter_up(ha) && !test_bit(AF_BUILD_DDB_LIST, &ha->flags)) 864b3a271a9SManish Rangankar ret = 1; 865b3a271a9SManish Rangankar 866b3a271a9SManish Rangankar return ret; 867b3a271a9SManish Rangankar } 868b3a271a9SManish Rangankar 869b3a271a9SManish Rangankar static void qla4xxx_ep_disconnect(struct iscsi_endpoint *ep) 870b3a271a9SManish Rangankar { 871b3a271a9SManish Rangankar DEBUG2(printk(KERN_INFO "Func: %s\n", __func__)); 872b3a271a9SManish Rangankar iscsi_destroy_endpoint(ep); 873b3a271a9SManish Rangankar } 874b3a271a9SManish Rangankar 875b3a271a9SManish Rangankar static int qla4xxx_get_ep_param(struct iscsi_endpoint *ep, 876b3a271a9SManish Rangankar enum iscsi_param param, 877b3a271a9SManish Rangankar char *buf) 878b3a271a9SManish Rangankar { 879b3a271a9SManish Rangankar struct qla_endpoint *qla_ep = ep->dd_data; 880b3a271a9SManish Rangankar struct sockaddr *dst_addr; 881b3a271a9SManish Rangankar 882b3a271a9SManish Rangankar DEBUG2(printk(KERN_INFO "Func: %s\n", __func__)); 883b3a271a9SManish Rangankar 884b3a271a9SManish Rangankar switch (param) { 885b3a271a9SManish Rangankar case ISCSI_PARAM_CONN_PORT: 886b3a271a9SManish Rangankar case ISCSI_PARAM_CONN_ADDRESS: 887b3a271a9SManish Rangankar if (!qla_ep) 888b3a271a9SManish Rangankar return -ENOTCONN; 889b3a271a9SManish Rangankar 890b3a271a9SManish Rangankar dst_addr = (struct sockaddr *)&qla_ep->dst_addr; 891b3a271a9SManish Rangankar if (!dst_addr) 892b3a271a9SManish Rangankar return -ENOTCONN; 893b3a271a9SManish Rangankar 894b3a271a9SManish Rangankar return iscsi_conn_get_addr_param((struct sockaddr_storage *) 895b3a271a9SManish Rangankar &qla_ep->dst_addr, param, buf); 896b3a271a9SManish Rangankar default: 897b3a271a9SManish Rangankar return -ENOSYS; 898b3a271a9SManish Rangankar } 899b3a271a9SManish Rangankar } 900b3a271a9SManish Rangankar 901b3a271a9SManish Rangankar static void qla4xxx_conn_get_stats(struct iscsi_cls_conn *cls_conn, 902b3a271a9SManish Rangankar struct iscsi_stats *stats) 903b3a271a9SManish Rangankar { 904b3a271a9SManish Rangankar struct iscsi_session *sess; 905b3a271a9SManish Rangankar struct iscsi_cls_session *cls_sess; 906b3a271a9SManish Rangankar struct ddb_entry *ddb_entry; 907b3a271a9SManish Rangankar struct scsi_qla_host *ha; 908b3a271a9SManish Rangankar struct ql_iscsi_stats *ql_iscsi_stats; 909b3a271a9SManish Rangankar int stats_size; 910b3a271a9SManish Rangankar int ret; 911b3a271a9SManish Rangankar dma_addr_t iscsi_stats_dma; 912b3a271a9SManish Rangankar 913b3a271a9SManish Rangankar DEBUG2(printk(KERN_INFO "Func: %s\n", __func__)); 914b3a271a9SManish Rangankar 915b3a271a9SManish Rangankar cls_sess = iscsi_conn_to_session(cls_conn); 916b3a271a9SManish Rangankar sess = cls_sess->dd_data; 917b3a271a9SManish Rangankar ddb_entry = sess->dd_data; 918b3a271a9SManish Rangankar ha = ddb_entry->ha; 919b3a271a9SManish Rangankar 920b3a271a9SManish Rangankar stats_size = PAGE_ALIGN(sizeof(struct ql_iscsi_stats)); 921b3a271a9SManish Rangankar /* Allocate memory */ 922b3a271a9SManish Rangankar ql_iscsi_stats = dma_alloc_coherent(&ha->pdev->dev, stats_size, 923b3a271a9SManish Rangankar &iscsi_stats_dma, GFP_KERNEL); 924b3a271a9SManish Rangankar if (!ql_iscsi_stats) { 925b3a271a9SManish Rangankar ql4_printk(KERN_ERR, ha, 926b3a271a9SManish Rangankar "Unable to allocate memory for iscsi stats\n"); 927b3a271a9SManish Rangankar goto exit_get_stats; 928b3a271a9SManish Rangankar } 929b3a271a9SManish Rangankar 930b3a271a9SManish Rangankar ret = qla4xxx_get_mgmt_data(ha, ddb_entry->fw_ddb_index, stats_size, 931b3a271a9SManish Rangankar iscsi_stats_dma); 932b3a271a9SManish Rangankar if (ret != QLA_SUCCESS) { 933b3a271a9SManish Rangankar ql4_printk(KERN_ERR, ha, 93459e13d48SMasanari Iida "Unable to retrieve iscsi stats\n"); 935b3a271a9SManish Rangankar goto free_stats; 936b3a271a9SManish Rangankar } 937b3a271a9SManish Rangankar 938b3a271a9SManish Rangankar /* octets */ 939b3a271a9SManish Rangankar stats->txdata_octets = le64_to_cpu(ql_iscsi_stats->tx_data_octets); 940b3a271a9SManish Rangankar stats->rxdata_octets = le64_to_cpu(ql_iscsi_stats->rx_data_octets); 941b3a271a9SManish Rangankar /* xmit pdus */ 942b3a271a9SManish Rangankar stats->noptx_pdus = le32_to_cpu(ql_iscsi_stats->tx_nopout_pdus); 943b3a271a9SManish Rangankar stats->scsicmd_pdus = le32_to_cpu(ql_iscsi_stats->tx_scsi_cmd_pdus); 944b3a271a9SManish Rangankar stats->tmfcmd_pdus = le32_to_cpu(ql_iscsi_stats->tx_tmf_cmd_pdus); 945b3a271a9SManish Rangankar stats->login_pdus = le32_to_cpu(ql_iscsi_stats->tx_login_cmd_pdus); 946b3a271a9SManish Rangankar stats->text_pdus = le32_to_cpu(ql_iscsi_stats->tx_text_cmd_pdus); 947b3a271a9SManish Rangankar stats->dataout_pdus = le32_to_cpu(ql_iscsi_stats->tx_scsi_write_pdus); 948b3a271a9SManish Rangankar stats->logout_pdus = le32_to_cpu(ql_iscsi_stats->tx_logout_cmd_pdus); 949b3a271a9SManish Rangankar stats->snack_pdus = le32_to_cpu(ql_iscsi_stats->tx_snack_req_pdus); 950b3a271a9SManish Rangankar /* recv pdus */ 951b3a271a9SManish Rangankar stats->noprx_pdus = le32_to_cpu(ql_iscsi_stats->rx_nopin_pdus); 952b3a271a9SManish Rangankar stats->scsirsp_pdus = le32_to_cpu(ql_iscsi_stats->rx_scsi_resp_pdus); 953b3a271a9SManish Rangankar stats->tmfrsp_pdus = le32_to_cpu(ql_iscsi_stats->rx_tmf_resp_pdus); 954b3a271a9SManish Rangankar stats->textrsp_pdus = le32_to_cpu(ql_iscsi_stats->rx_text_resp_pdus); 955b3a271a9SManish Rangankar stats->datain_pdus = le32_to_cpu(ql_iscsi_stats->rx_scsi_read_pdus); 956b3a271a9SManish Rangankar stats->logoutrsp_pdus = 957b3a271a9SManish Rangankar le32_to_cpu(ql_iscsi_stats->rx_logout_resp_pdus); 958b3a271a9SManish Rangankar stats->r2t_pdus = le32_to_cpu(ql_iscsi_stats->rx_r2t_pdus); 959b3a271a9SManish Rangankar stats->async_pdus = le32_to_cpu(ql_iscsi_stats->rx_async_pdus); 960b3a271a9SManish Rangankar stats->rjt_pdus = le32_to_cpu(ql_iscsi_stats->rx_reject_pdus); 961b3a271a9SManish Rangankar 962b3a271a9SManish Rangankar free_stats: 963b3a271a9SManish Rangankar dma_free_coherent(&ha->pdev->dev, stats_size, ql_iscsi_stats, 964b3a271a9SManish Rangankar iscsi_stats_dma); 965b3a271a9SManish Rangankar exit_get_stats: 966b3a271a9SManish Rangankar return; 967b3a271a9SManish Rangankar } 968b3a271a9SManish Rangankar 9695c656af7SMike Christie static enum blk_eh_timer_return qla4xxx_eh_cmd_timed_out(struct scsi_cmnd *sc) 9705c656af7SMike Christie { 9715c656af7SMike Christie struct iscsi_cls_session *session; 972b3a271a9SManish Rangankar struct iscsi_session *sess; 973b3a271a9SManish Rangankar unsigned long flags; 974b3a271a9SManish Rangankar enum blk_eh_timer_return ret = BLK_EH_NOT_HANDLED; 9755c656af7SMike Christie 9765c656af7SMike Christie session = starget_to_session(scsi_target(sc->device)); 977b3a271a9SManish Rangankar sess = session->dd_data; 9785c656af7SMike Christie 979b3a271a9SManish Rangankar spin_lock_irqsave(&session->lock, flags); 980b3a271a9SManish Rangankar if (session->state == ISCSI_SESSION_FAILED) 981b3a271a9SManish Rangankar ret = BLK_EH_RESET_TIMER; 982b3a271a9SManish Rangankar spin_unlock_irqrestore(&session->lock, flags); 9835c656af7SMike Christie 984b3a271a9SManish Rangankar return ret; 985568d303bSMike Christie } 986afaf5a2dSDavid Somayajulu 9873254dbe9SVikas Chaudhary static void qla4xxx_set_port_speed(struct Scsi_Host *shost) 9883254dbe9SVikas Chaudhary { 9893254dbe9SVikas Chaudhary struct scsi_qla_host *ha = to_qla_host(shost); 990e16d166eSVikas Chaudhary struct iscsi_cls_host *ihost = shost->shost_data; 9913254dbe9SVikas Chaudhary uint32_t speed = ISCSI_PORT_SPEED_UNKNOWN; 9923254dbe9SVikas Chaudhary 9933254dbe9SVikas Chaudhary qla4xxx_get_firmware_state(ha); 9943254dbe9SVikas Chaudhary 9953254dbe9SVikas Chaudhary switch (ha->addl_fw_state & 0x0F00) { 9963254dbe9SVikas Chaudhary case FW_ADDSTATE_LINK_SPEED_10MBPS: 9973254dbe9SVikas Chaudhary speed = ISCSI_PORT_SPEED_10MBPS; 9983254dbe9SVikas Chaudhary break; 9993254dbe9SVikas Chaudhary case FW_ADDSTATE_LINK_SPEED_100MBPS: 10003254dbe9SVikas Chaudhary speed = ISCSI_PORT_SPEED_100MBPS; 10013254dbe9SVikas Chaudhary break; 10023254dbe9SVikas Chaudhary case FW_ADDSTATE_LINK_SPEED_1GBPS: 10033254dbe9SVikas Chaudhary speed = ISCSI_PORT_SPEED_1GBPS; 10043254dbe9SVikas Chaudhary break; 10053254dbe9SVikas Chaudhary case FW_ADDSTATE_LINK_SPEED_10GBPS: 10063254dbe9SVikas Chaudhary speed = ISCSI_PORT_SPEED_10GBPS; 10073254dbe9SVikas Chaudhary break; 10083254dbe9SVikas Chaudhary } 10093254dbe9SVikas Chaudhary ihost->port_speed = speed; 10103254dbe9SVikas Chaudhary } 10113254dbe9SVikas Chaudhary 10123254dbe9SVikas Chaudhary static void qla4xxx_set_port_state(struct Scsi_Host *shost) 10133254dbe9SVikas Chaudhary { 10143254dbe9SVikas Chaudhary struct scsi_qla_host *ha = to_qla_host(shost); 1015e16d166eSVikas Chaudhary struct iscsi_cls_host *ihost = shost->shost_data; 10163254dbe9SVikas Chaudhary uint32_t state = ISCSI_PORT_STATE_DOWN; 10173254dbe9SVikas Chaudhary 10183254dbe9SVikas Chaudhary if (test_bit(AF_LINK_UP, &ha->flags)) 10193254dbe9SVikas Chaudhary state = ISCSI_PORT_STATE_UP; 10203254dbe9SVikas Chaudhary 10213254dbe9SVikas Chaudhary ihost->port_state = state; 10223254dbe9SVikas Chaudhary } 10233254dbe9SVikas Chaudhary 1024aa1e93a2SMike Christie static int qla4xxx_host_get_param(struct Scsi_Host *shost, 1025aa1e93a2SMike Christie enum iscsi_host_param param, char *buf) 1026aa1e93a2SMike Christie { 1027aa1e93a2SMike Christie struct scsi_qla_host *ha = to_qla_host(shost); 1028aa1e93a2SMike Christie int len; 1029aa1e93a2SMike Christie 1030aa1e93a2SMike Christie switch (param) { 1031aa1e93a2SMike Christie case ISCSI_HOST_PARAM_HWADDRESS: 10327ffc49a6SMichael Chan len = sysfs_format_mac(buf, ha->my_mac, MAC_ADDR_LEN); 1033aa1e93a2SMike Christie break; 103422236961SMike Christie case ISCSI_HOST_PARAM_IPADDRESS: 10352bab08fcSVikas Chaudhary len = sprintf(buf, "%pI4\n", &ha->ip_config.ip_address); 103622236961SMike Christie break; 10378ad5781aSMike Christie case ISCSI_HOST_PARAM_INITIATOR_NAME: 103822236961SMike Christie len = sprintf(buf, "%s\n", ha->name_string); 10398ad5781aSMike Christie break; 10403254dbe9SVikas Chaudhary case ISCSI_HOST_PARAM_PORT_STATE: 10413254dbe9SVikas Chaudhary qla4xxx_set_port_state(shost); 10423254dbe9SVikas Chaudhary len = sprintf(buf, "%s\n", iscsi_get_port_state_name(shost)); 10433254dbe9SVikas Chaudhary break; 10443254dbe9SVikas Chaudhary case ISCSI_HOST_PARAM_PORT_SPEED: 10453254dbe9SVikas Chaudhary qla4xxx_set_port_speed(shost); 10463254dbe9SVikas Chaudhary len = sprintf(buf, "%s\n", iscsi_get_port_speed_name(shost)); 10473254dbe9SVikas Chaudhary break; 1048aa1e93a2SMike Christie default: 1049aa1e93a2SMike Christie return -ENOSYS; 1050aa1e93a2SMike Christie } 1051aa1e93a2SMike Christie 1052aa1e93a2SMike Christie return len; 1053aa1e93a2SMike Christie } 1054aa1e93a2SMike Christie 1055ed1086e0SVikas Chaudhary static void qla4xxx_create_ipv4_iface(struct scsi_qla_host *ha) 1056ed1086e0SVikas Chaudhary { 1057ed1086e0SVikas Chaudhary if (ha->iface_ipv4) 1058ed1086e0SVikas Chaudhary return; 1059ed1086e0SVikas Chaudhary 1060ed1086e0SVikas Chaudhary /* IPv4 */ 1061ed1086e0SVikas Chaudhary ha->iface_ipv4 = iscsi_create_iface(ha->host, 1062ed1086e0SVikas Chaudhary &qla4xxx_iscsi_transport, 1063ed1086e0SVikas Chaudhary ISCSI_IFACE_TYPE_IPV4, 0, 0); 1064ed1086e0SVikas Chaudhary if (!ha->iface_ipv4) 1065ed1086e0SVikas Chaudhary ql4_printk(KERN_ERR, ha, "Could not create IPv4 iSCSI " 1066ed1086e0SVikas Chaudhary "iface0.\n"); 1067ed1086e0SVikas Chaudhary } 1068ed1086e0SVikas Chaudhary 1069ed1086e0SVikas Chaudhary static void qla4xxx_create_ipv6_iface(struct scsi_qla_host *ha) 1070ed1086e0SVikas Chaudhary { 1071ed1086e0SVikas Chaudhary if (!ha->iface_ipv6_0) 1072ed1086e0SVikas Chaudhary /* IPv6 iface-0 */ 1073ed1086e0SVikas Chaudhary ha->iface_ipv6_0 = iscsi_create_iface(ha->host, 1074ed1086e0SVikas Chaudhary &qla4xxx_iscsi_transport, 1075ed1086e0SVikas Chaudhary ISCSI_IFACE_TYPE_IPV6, 0, 1076ed1086e0SVikas Chaudhary 0); 1077ed1086e0SVikas Chaudhary if (!ha->iface_ipv6_0) 1078ed1086e0SVikas Chaudhary ql4_printk(KERN_ERR, ha, "Could not create IPv6 iSCSI " 1079ed1086e0SVikas Chaudhary "iface0.\n"); 1080ed1086e0SVikas Chaudhary 1081ed1086e0SVikas Chaudhary if (!ha->iface_ipv6_1) 1082ed1086e0SVikas Chaudhary /* IPv6 iface-1 */ 1083ed1086e0SVikas Chaudhary ha->iface_ipv6_1 = iscsi_create_iface(ha->host, 1084ed1086e0SVikas Chaudhary &qla4xxx_iscsi_transport, 1085ed1086e0SVikas Chaudhary ISCSI_IFACE_TYPE_IPV6, 1, 1086ed1086e0SVikas Chaudhary 0); 1087ed1086e0SVikas Chaudhary if (!ha->iface_ipv6_1) 1088ed1086e0SVikas Chaudhary ql4_printk(KERN_ERR, ha, "Could not create IPv6 iSCSI " 1089ed1086e0SVikas Chaudhary "iface1.\n"); 1090ed1086e0SVikas Chaudhary } 1091ed1086e0SVikas Chaudhary 1092ed1086e0SVikas Chaudhary static void qla4xxx_create_ifaces(struct scsi_qla_host *ha) 1093ed1086e0SVikas Chaudhary { 1094ed1086e0SVikas Chaudhary if (ha->ip_config.ipv4_options & IPOPT_IPV4_PROTOCOL_ENABLE) 1095ed1086e0SVikas Chaudhary qla4xxx_create_ipv4_iface(ha); 1096ed1086e0SVikas Chaudhary 1097ed1086e0SVikas Chaudhary if (ha->ip_config.ipv6_options & IPV6_OPT_IPV6_PROTOCOL_ENABLE) 1098ed1086e0SVikas Chaudhary qla4xxx_create_ipv6_iface(ha); 1099ed1086e0SVikas Chaudhary } 1100ed1086e0SVikas Chaudhary 1101ed1086e0SVikas Chaudhary static void qla4xxx_destroy_ipv4_iface(struct scsi_qla_host *ha) 1102ed1086e0SVikas Chaudhary { 1103ed1086e0SVikas Chaudhary if (ha->iface_ipv4) { 1104ed1086e0SVikas Chaudhary iscsi_destroy_iface(ha->iface_ipv4); 1105ed1086e0SVikas Chaudhary ha->iface_ipv4 = NULL; 1106ed1086e0SVikas Chaudhary } 1107ed1086e0SVikas Chaudhary } 1108ed1086e0SVikas Chaudhary 1109ed1086e0SVikas Chaudhary static void qla4xxx_destroy_ipv6_iface(struct scsi_qla_host *ha) 1110ed1086e0SVikas Chaudhary { 1111ed1086e0SVikas Chaudhary if (ha->iface_ipv6_0) { 1112ed1086e0SVikas Chaudhary iscsi_destroy_iface(ha->iface_ipv6_0); 1113ed1086e0SVikas Chaudhary ha->iface_ipv6_0 = NULL; 1114ed1086e0SVikas Chaudhary } 1115ed1086e0SVikas Chaudhary if (ha->iface_ipv6_1) { 1116ed1086e0SVikas Chaudhary iscsi_destroy_iface(ha->iface_ipv6_1); 1117ed1086e0SVikas Chaudhary ha->iface_ipv6_1 = NULL; 1118ed1086e0SVikas Chaudhary } 1119ed1086e0SVikas Chaudhary } 1120ed1086e0SVikas Chaudhary 1121ed1086e0SVikas Chaudhary static void qla4xxx_destroy_ifaces(struct scsi_qla_host *ha) 1122ed1086e0SVikas Chaudhary { 1123ed1086e0SVikas Chaudhary qla4xxx_destroy_ipv4_iface(ha); 1124ed1086e0SVikas Chaudhary qla4xxx_destroy_ipv6_iface(ha); 1125ed1086e0SVikas Chaudhary } 1126ed1086e0SVikas Chaudhary 1127d00efe3fSMike Christie static void qla4xxx_set_ipv6(struct scsi_qla_host *ha, 1128d00efe3fSMike Christie struct iscsi_iface_param_info *iface_param, 1129d00efe3fSMike Christie struct addr_ctrl_blk *init_fw_cb) 1130d00efe3fSMike Christie { 1131d00efe3fSMike Christie /* 1132d00efe3fSMike Christie * iface_num 0 is valid for IPv6 Addr, linklocal, router, autocfg. 1133d00efe3fSMike Christie * iface_num 1 is valid only for IPv6 Addr. 1134d00efe3fSMike Christie */ 1135d00efe3fSMike Christie switch (iface_param->param) { 1136d00efe3fSMike Christie case ISCSI_NET_PARAM_IPV6_ADDR: 1137d00efe3fSMike Christie if (iface_param->iface_num & 0x1) 1138d00efe3fSMike Christie /* IPv6 Addr 1 */ 1139d00efe3fSMike Christie memcpy(init_fw_cb->ipv6_addr1, iface_param->value, 1140d00efe3fSMike Christie sizeof(init_fw_cb->ipv6_addr1)); 1141d00efe3fSMike Christie else 1142d00efe3fSMike Christie /* IPv6 Addr 0 */ 1143d00efe3fSMike Christie memcpy(init_fw_cb->ipv6_addr0, iface_param->value, 1144d00efe3fSMike Christie sizeof(init_fw_cb->ipv6_addr0)); 1145d00efe3fSMike Christie break; 1146d00efe3fSMike Christie case ISCSI_NET_PARAM_IPV6_LINKLOCAL: 1147d00efe3fSMike Christie if (iface_param->iface_num & 0x1) 1148d00efe3fSMike Christie break; 1149d00efe3fSMike Christie memcpy(init_fw_cb->ipv6_if_id, &iface_param->value[8], 1150d00efe3fSMike Christie sizeof(init_fw_cb->ipv6_if_id)); 1151d00efe3fSMike Christie break; 1152d00efe3fSMike Christie case ISCSI_NET_PARAM_IPV6_ROUTER: 1153d00efe3fSMike Christie if (iface_param->iface_num & 0x1) 1154d00efe3fSMike Christie break; 1155d00efe3fSMike Christie memcpy(init_fw_cb->ipv6_dflt_rtr_addr, iface_param->value, 1156d00efe3fSMike Christie sizeof(init_fw_cb->ipv6_dflt_rtr_addr)); 1157d00efe3fSMike Christie break; 1158d00efe3fSMike Christie case ISCSI_NET_PARAM_IPV6_ADDR_AUTOCFG: 1159d00efe3fSMike Christie /* Autocfg applies to even interface */ 1160d00efe3fSMike Christie if (iface_param->iface_num & 0x1) 1161d00efe3fSMike Christie break; 1162d00efe3fSMike Christie 1163d00efe3fSMike Christie if (iface_param->value[0] == ISCSI_IPV6_AUTOCFG_DISABLE) 1164d00efe3fSMike Christie init_fw_cb->ipv6_addtl_opts &= 1165d00efe3fSMike Christie cpu_to_le16( 1166d00efe3fSMike Christie ~IPV6_ADDOPT_NEIGHBOR_DISCOVERY_ADDR_ENABLE); 1167d00efe3fSMike Christie else if (iface_param->value[0] == ISCSI_IPV6_AUTOCFG_ND_ENABLE) 1168d00efe3fSMike Christie init_fw_cb->ipv6_addtl_opts |= 1169d00efe3fSMike Christie cpu_to_le16( 1170d00efe3fSMike Christie IPV6_ADDOPT_NEIGHBOR_DISCOVERY_ADDR_ENABLE); 1171d00efe3fSMike Christie else 1172d00efe3fSMike Christie ql4_printk(KERN_ERR, ha, "Invalid autocfg setting for " 1173d00efe3fSMike Christie "IPv6 addr\n"); 1174d00efe3fSMike Christie break; 1175d00efe3fSMike Christie case ISCSI_NET_PARAM_IPV6_LINKLOCAL_AUTOCFG: 1176d00efe3fSMike Christie /* Autocfg applies to even interface */ 1177d00efe3fSMike Christie if (iface_param->iface_num & 0x1) 1178d00efe3fSMike Christie break; 1179d00efe3fSMike Christie 1180d00efe3fSMike Christie if (iface_param->value[0] == 1181d00efe3fSMike Christie ISCSI_IPV6_LINKLOCAL_AUTOCFG_ENABLE) 1182d00efe3fSMike Christie init_fw_cb->ipv6_addtl_opts |= cpu_to_le16( 1183d00efe3fSMike Christie IPV6_ADDOPT_AUTOCONFIG_LINK_LOCAL_ADDR); 1184d00efe3fSMike Christie else if (iface_param->value[0] == 1185d00efe3fSMike Christie ISCSI_IPV6_LINKLOCAL_AUTOCFG_DISABLE) 1186d00efe3fSMike Christie init_fw_cb->ipv6_addtl_opts &= cpu_to_le16( 1187d00efe3fSMike Christie ~IPV6_ADDOPT_AUTOCONFIG_LINK_LOCAL_ADDR); 1188d00efe3fSMike Christie else 1189d00efe3fSMike Christie ql4_printk(KERN_ERR, ha, "Invalid autocfg setting for " 1190d00efe3fSMike Christie "IPv6 linklocal addr\n"); 1191d00efe3fSMike Christie break; 1192d00efe3fSMike Christie case ISCSI_NET_PARAM_IPV6_ROUTER_AUTOCFG: 1193d00efe3fSMike Christie /* Autocfg applies to even interface */ 1194d00efe3fSMike Christie if (iface_param->iface_num & 0x1) 1195d00efe3fSMike Christie break; 1196d00efe3fSMike Christie 1197d00efe3fSMike Christie if (iface_param->value[0] == ISCSI_IPV6_ROUTER_AUTOCFG_ENABLE) 1198d00efe3fSMike Christie memset(init_fw_cb->ipv6_dflt_rtr_addr, 0, 1199d00efe3fSMike Christie sizeof(init_fw_cb->ipv6_dflt_rtr_addr)); 1200d00efe3fSMike Christie break; 1201d00efe3fSMike Christie case ISCSI_NET_PARAM_IFACE_ENABLE: 1202ed1086e0SVikas Chaudhary if (iface_param->value[0] == ISCSI_IFACE_ENABLE) { 1203d00efe3fSMike Christie init_fw_cb->ipv6_opts |= 1204d00efe3fSMike Christie cpu_to_le16(IPV6_OPT_IPV6_PROTOCOL_ENABLE); 1205ed1086e0SVikas Chaudhary qla4xxx_create_ipv6_iface(ha); 1206ed1086e0SVikas Chaudhary } else { 1207d00efe3fSMike Christie init_fw_cb->ipv6_opts &= 1208d00efe3fSMike Christie cpu_to_le16(~IPV6_OPT_IPV6_PROTOCOL_ENABLE & 1209d00efe3fSMike Christie 0xFFFF); 1210ed1086e0SVikas Chaudhary qla4xxx_destroy_ipv6_iface(ha); 1211ed1086e0SVikas Chaudhary } 1212d00efe3fSMike Christie break; 12132d63673bSMike Christie case ISCSI_NET_PARAM_VLAN_TAG: 1214d00efe3fSMike Christie if (iface_param->len != sizeof(init_fw_cb->ipv6_vlan_tag)) 1215d00efe3fSMike Christie break; 12166ac73e8cSVikas Chaudhary init_fw_cb->ipv6_vlan_tag = 12176ac73e8cSVikas Chaudhary cpu_to_be16(*(uint16_t *)iface_param->value); 12186ac73e8cSVikas Chaudhary break; 12196ac73e8cSVikas Chaudhary case ISCSI_NET_PARAM_VLAN_ENABLED: 12206ac73e8cSVikas Chaudhary if (iface_param->value[0] == ISCSI_VLAN_ENABLE) 12216ac73e8cSVikas Chaudhary init_fw_cb->ipv6_opts |= 12226ac73e8cSVikas Chaudhary cpu_to_le16(IPV6_OPT_VLAN_TAGGING_ENABLE); 12236ac73e8cSVikas Chaudhary else 12246ac73e8cSVikas Chaudhary init_fw_cb->ipv6_opts &= 12256ac73e8cSVikas Chaudhary cpu_to_le16(~IPV6_OPT_VLAN_TAGGING_ENABLE); 1226d00efe3fSMike Christie break; 1227943c157bSVikas Chaudhary case ISCSI_NET_PARAM_MTU: 1228943c157bSVikas Chaudhary init_fw_cb->eth_mtu_size = 1229943c157bSVikas Chaudhary cpu_to_le16(*(uint16_t *)iface_param->value); 1230943c157bSVikas Chaudhary break; 12312ada7fc5SVikas Chaudhary case ISCSI_NET_PARAM_PORT: 12322ada7fc5SVikas Chaudhary /* Autocfg applies to even interface */ 12332ada7fc5SVikas Chaudhary if (iface_param->iface_num & 0x1) 12342ada7fc5SVikas Chaudhary break; 12352ada7fc5SVikas Chaudhary 12362ada7fc5SVikas Chaudhary init_fw_cb->ipv6_port = 12372ada7fc5SVikas Chaudhary cpu_to_le16(*(uint16_t *)iface_param->value); 12382ada7fc5SVikas Chaudhary break; 1239d00efe3fSMike Christie default: 1240d00efe3fSMike Christie ql4_printk(KERN_ERR, ha, "Unknown IPv6 param = %d\n", 1241d00efe3fSMike Christie iface_param->param); 1242d00efe3fSMike Christie break; 1243d00efe3fSMike Christie } 1244d00efe3fSMike Christie } 1245d00efe3fSMike Christie 1246d00efe3fSMike Christie static void qla4xxx_set_ipv4(struct scsi_qla_host *ha, 1247d00efe3fSMike Christie struct iscsi_iface_param_info *iface_param, 1248d00efe3fSMike Christie struct addr_ctrl_blk *init_fw_cb) 1249d00efe3fSMike Christie { 1250d00efe3fSMike Christie switch (iface_param->param) { 1251d00efe3fSMike Christie case ISCSI_NET_PARAM_IPV4_ADDR: 1252d00efe3fSMike Christie memcpy(init_fw_cb->ipv4_addr, iface_param->value, 1253d00efe3fSMike Christie sizeof(init_fw_cb->ipv4_addr)); 1254d00efe3fSMike Christie break; 1255d00efe3fSMike Christie case ISCSI_NET_PARAM_IPV4_SUBNET: 1256d00efe3fSMike Christie memcpy(init_fw_cb->ipv4_subnet, iface_param->value, 1257d00efe3fSMike Christie sizeof(init_fw_cb->ipv4_subnet)); 1258d00efe3fSMike Christie break; 1259d00efe3fSMike Christie case ISCSI_NET_PARAM_IPV4_GW: 1260d00efe3fSMike Christie memcpy(init_fw_cb->ipv4_gw_addr, iface_param->value, 1261d00efe3fSMike Christie sizeof(init_fw_cb->ipv4_gw_addr)); 1262d00efe3fSMike Christie break; 1263d00efe3fSMike Christie case ISCSI_NET_PARAM_IPV4_BOOTPROTO: 1264d00efe3fSMike Christie if (iface_param->value[0] == ISCSI_BOOTPROTO_DHCP) 1265d00efe3fSMike Christie init_fw_cb->ipv4_tcp_opts |= 1266d00efe3fSMike Christie cpu_to_le16(TCPOPT_DHCP_ENABLE); 1267d00efe3fSMike Christie else if (iface_param->value[0] == ISCSI_BOOTPROTO_STATIC) 1268d00efe3fSMike Christie init_fw_cb->ipv4_tcp_opts &= 1269d00efe3fSMike Christie cpu_to_le16(~TCPOPT_DHCP_ENABLE); 1270d00efe3fSMike Christie else 1271d00efe3fSMike Christie ql4_printk(KERN_ERR, ha, "Invalid IPv4 bootproto\n"); 1272d00efe3fSMike Christie break; 1273d00efe3fSMike Christie case ISCSI_NET_PARAM_IFACE_ENABLE: 1274ed1086e0SVikas Chaudhary if (iface_param->value[0] == ISCSI_IFACE_ENABLE) { 1275d00efe3fSMike Christie init_fw_cb->ipv4_ip_opts |= 12762bab08fcSVikas Chaudhary cpu_to_le16(IPOPT_IPV4_PROTOCOL_ENABLE); 1277ed1086e0SVikas Chaudhary qla4xxx_create_ipv4_iface(ha); 1278ed1086e0SVikas Chaudhary } else { 1279d00efe3fSMike Christie init_fw_cb->ipv4_ip_opts &= 12802bab08fcSVikas Chaudhary cpu_to_le16(~IPOPT_IPV4_PROTOCOL_ENABLE & 1281d00efe3fSMike Christie 0xFFFF); 1282ed1086e0SVikas Chaudhary qla4xxx_destroy_ipv4_iface(ha); 1283ed1086e0SVikas Chaudhary } 1284d00efe3fSMike Christie break; 12852d63673bSMike Christie case ISCSI_NET_PARAM_VLAN_TAG: 1286d00efe3fSMike Christie if (iface_param->len != sizeof(init_fw_cb->ipv4_vlan_tag)) 1287d00efe3fSMike Christie break; 12886ac73e8cSVikas Chaudhary init_fw_cb->ipv4_vlan_tag = 12896ac73e8cSVikas Chaudhary cpu_to_be16(*(uint16_t *)iface_param->value); 12906ac73e8cSVikas Chaudhary break; 12916ac73e8cSVikas Chaudhary case ISCSI_NET_PARAM_VLAN_ENABLED: 12926ac73e8cSVikas Chaudhary if (iface_param->value[0] == ISCSI_VLAN_ENABLE) 12936ac73e8cSVikas Chaudhary init_fw_cb->ipv4_ip_opts |= 12946ac73e8cSVikas Chaudhary cpu_to_le16(IPOPT_VLAN_TAGGING_ENABLE); 12956ac73e8cSVikas Chaudhary else 12966ac73e8cSVikas Chaudhary init_fw_cb->ipv4_ip_opts &= 12976ac73e8cSVikas Chaudhary cpu_to_le16(~IPOPT_VLAN_TAGGING_ENABLE); 1298d00efe3fSMike Christie break; 1299943c157bSVikas Chaudhary case ISCSI_NET_PARAM_MTU: 1300943c157bSVikas Chaudhary init_fw_cb->eth_mtu_size = 1301943c157bSVikas Chaudhary cpu_to_le16(*(uint16_t *)iface_param->value); 1302943c157bSVikas Chaudhary break; 13032ada7fc5SVikas Chaudhary case ISCSI_NET_PARAM_PORT: 13042ada7fc5SVikas Chaudhary init_fw_cb->ipv4_port = 13052ada7fc5SVikas Chaudhary cpu_to_le16(*(uint16_t *)iface_param->value); 13062ada7fc5SVikas Chaudhary break; 1307d00efe3fSMike Christie default: 1308d00efe3fSMike Christie ql4_printk(KERN_ERR, ha, "Unknown IPv4 param = %d\n", 1309d00efe3fSMike Christie iface_param->param); 1310d00efe3fSMike Christie break; 1311d00efe3fSMike Christie } 1312d00efe3fSMike Christie } 1313d00efe3fSMike Christie 1314d00efe3fSMike Christie static void 1315d00efe3fSMike Christie qla4xxx_initcb_to_acb(struct addr_ctrl_blk *init_fw_cb) 1316d00efe3fSMike Christie { 1317d00efe3fSMike Christie struct addr_ctrl_blk_def *acb; 1318d00efe3fSMike Christie acb = (struct addr_ctrl_blk_def *)init_fw_cb; 1319d00efe3fSMike Christie memset(acb->reserved1, 0, sizeof(acb->reserved1)); 1320d00efe3fSMike Christie memset(acb->reserved2, 0, sizeof(acb->reserved2)); 1321d00efe3fSMike Christie memset(acb->reserved3, 0, sizeof(acb->reserved3)); 1322d00efe3fSMike Christie memset(acb->reserved4, 0, sizeof(acb->reserved4)); 1323d00efe3fSMike Christie memset(acb->reserved5, 0, sizeof(acb->reserved5)); 1324d00efe3fSMike Christie memset(acb->reserved6, 0, sizeof(acb->reserved6)); 1325d00efe3fSMike Christie memset(acb->reserved7, 0, sizeof(acb->reserved7)); 1326d00efe3fSMike Christie memset(acb->reserved8, 0, sizeof(acb->reserved8)); 1327d00efe3fSMike Christie memset(acb->reserved9, 0, sizeof(acb->reserved9)); 1328d00efe3fSMike Christie memset(acb->reserved10, 0, sizeof(acb->reserved10)); 1329d00efe3fSMike Christie memset(acb->reserved11, 0, sizeof(acb->reserved11)); 1330d00efe3fSMike Christie memset(acb->reserved12, 0, sizeof(acb->reserved12)); 1331d00efe3fSMike Christie memset(acb->reserved13, 0, sizeof(acb->reserved13)); 1332d00efe3fSMike Christie memset(acb->reserved14, 0, sizeof(acb->reserved14)); 1333d00efe3fSMike Christie memset(acb->reserved15, 0, sizeof(acb->reserved15)); 1334d00efe3fSMike Christie } 1335d00efe3fSMike Christie 1336d00efe3fSMike Christie static int 133700c31889SMike Christie qla4xxx_iface_set_param(struct Scsi_Host *shost, void *data, uint32_t len) 1338d00efe3fSMike Christie { 1339d00efe3fSMike Christie struct scsi_qla_host *ha = to_qla_host(shost); 1340d00efe3fSMike Christie int rval = 0; 1341d00efe3fSMike Christie struct iscsi_iface_param_info *iface_param = NULL; 1342d00efe3fSMike Christie struct addr_ctrl_blk *init_fw_cb = NULL; 1343d00efe3fSMike Christie dma_addr_t init_fw_cb_dma; 1344d00efe3fSMike Christie uint32_t mbox_cmd[MBOX_REG_COUNT]; 1345d00efe3fSMike Christie uint32_t mbox_sts[MBOX_REG_COUNT]; 134600c31889SMike Christie uint32_t rem = len; 134700c31889SMike Christie struct nlattr *attr; 1348d00efe3fSMike Christie 1349d00efe3fSMike Christie init_fw_cb = dma_alloc_coherent(&ha->pdev->dev, 1350d00efe3fSMike Christie sizeof(struct addr_ctrl_blk), 1351d00efe3fSMike Christie &init_fw_cb_dma, GFP_KERNEL); 1352d00efe3fSMike Christie if (!init_fw_cb) { 1353d00efe3fSMike Christie ql4_printk(KERN_ERR, ha, "%s: Unable to alloc init_cb\n", 1354d00efe3fSMike Christie __func__); 1355d00efe3fSMike Christie return -ENOMEM; 1356d00efe3fSMike Christie } 1357d00efe3fSMike Christie 1358d00efe3fSMike Christie memset(init_fw_cb, 0, sizeof(struct addr_ctrl_blk)); 1359d00efe3fSMike Christie memset(&mbox_cmd, 0, sizeof(mbox_cmd)); 1360d00efe3fSMike Christie memset(&mbox_sts, 0, sizeof(mbox_sts)); 1361d00efe3fSMike Christie 1362d00efe3fSMike Christie if (qla4xxx_get_ifcb(ha, &mbox_cmd[0], &mbox_sts[0], init_fw_cb_dma)) { 1363d00efe3fSMike Christie ql4_printk(KERN_ERR, ha, "%s: get ifcb failed\n", __func__); 1364d00efe3fSMike Christie rval = -EIO; 1365d00efe3fSMike Christie goto exit_init_fw_cb; 1366d00efe3fSMike Christie } 1367d00efe3fSMike Christie 136800c31889SMike Christie nla_for_each_attr(attr, data, len, rem) { 136900c31889SMike Christie iface_param = nla_data(attr); 1370d00efe3fSMike Christie 1371d00efe3fSMike Christie if (iface_param->param_type != ISCSI_NET_PARAM) 1372d00efe3fSMike Christie continue; 1373d00efe3fSMike Christie 1374d00efe3fSMike Christie switch (iface_param->iface_type) { 1375d00efe3fSMike Christie case ISCSI_IFACE_TYPE_IPV4: 1376d00efe3fSMike Christie switch (iface_param->iface_num) { 1377d00efe3fSMike Christie case 0: 1378d00efe3fSMike Christie qla4xxx_set_ipv4(ha, iface_param, init_fw_cb); 1379d00efe3fSMike Christie break; 1380d00efe3fSMike Christie default: 1381d00efe3fSMike Christie /* Cannot have more than one IPv4 interface */ 1382d00efe3fSMike Christie ql4_printk(KERN_ERR, ha, "Invalid IPv4 iface " 1383d00efe3fSMike Christie "number = %d\n", 1384d00efe3fSMike Christie iface_param->iface_num); 1385d00efe3fSMike Christie break; 1386d00efe3fSMike Christie } 1387d00efe3fSMike Christie break; 1388d00efe3fSMike Christie case ISCSI_IFACE_TYPE_IPV6: 1389d00efe3fSMike Christie switch (iface_param->iface_num) { 1390d00efe3fSMike Christie case 0: 1391d00efe3fSMike Christie case 1: 1392d00efe3fSMike Christie qla4xxx_set_ipv6(ha, iface_param, init_fw_cb); 1393d00efe3fSMike Christie break; 1394d00efe3fSMike Christie default: 1395d00efe3fSMike Christie /* Cannot have more than two IPv6 interface */ 1396d00efe3fSMike Christie ql4_printk(KERN_ERR, ha, "Invalid IPv6 iface " 1397d00efe3fSMike Christie "number = %d\n", 1398d00efe3fSMike Christie iface_param->iface_num); 1399d00efe3fSMike Christie break; 1400d00efe3fSMike Christie } 1401d00efe3fSMike Christie break; 1402d00efe3fSMike Christie default: 1403d00efe3fSMike Christie ql4_printk(KERN_ERR, ha, "Invalid iface type\n"); 1404d00efe3fSMike Christie break; 1405d00efe3fSMike Christie } 1406d00efe3fSMike Christie } 1407d00efe3fSMike Christie 1408d00efe3fSMike Christie init_fw_cb->cookie = cpu_to_le32(0x11BEAD5A); 1409d00efe3fSMike Christie 1410d00efe3fSMike Christie rval = qla4xxx_set_flash(ha, init_fw_cb_dma, FLASH_SEGMENT_IFCB, 1411d00efe3fSMike Christie sizeof(struct addr_ctrl_blk), 1412d00efe3fSMike Christie FLASH_OPT_RMW_COMMIT); 1413d00efe3fSMike Christie if (rval != QLA_SUCCESS) { 1414d00efe3fSMike Christie ql4_printk(KERN_ERR, ha, "%s: set flash mbx failed\n", 1415d00efe3fSMike Christie __func__); 1416d00efe3fSMike Christie rval = -EIO; 1417d00efe3fSMike Christie goto exit_init_fw_cb; 1418d00efe3fSMike Christie } 1419d00efe3fSMike Christie 1420ce505f9dSVikas Chaudhary rval = qla4xxx_disable_acb(ha); 1421ce505f9dSVikas Chaudhary if (rval != QLA_SUCCESS) { 1422ce505f9dSVikas Chaudhary ql4_printk(KERN_ERR, ha, "%s: disable acb mbx failed\n", 1423ce505f9dSVikas Chaudhary __func__); 1424ce505f9dSVikas Chaudhary rval = -EIO; 1425ce505f9dSVikas Chaudhary goto exit_init_fw_cb; 1426ce505f9dSVikas Chaudhary } 1427ce505f9dSVikas Chaudhary 1428ce505f9dSVikas Chaudhary wait_for_completion_timeout(&ha->disable_acb_comp, 1429ce505f9dSVikas Chaudhary DISABLE_ACB_TOV * HZ); 1430d00efe3fSMike Christie 1431d00efe3fSMike Christie qla4xxx_initcb_to_acb(init_fw_cb); 1432d00efe3fSMike Christie 1433d00efe3fSMike Christie rval = qla4xxx_set_acb(ha, &mbox_cmd[0], &mbox_sts[0], init_fw_cb_dma); 1434d00efe3fSMike Christie if (rval != QLA_SUCCESS) { 1435d00efe3fSMike Christie ql4_printk(KERN_ERR, ha, "%s: set acb mbx failed\n", 1436d00efe3fSMike Christie __func__); 1437d00efe3fSMike Christie rval = -EIO; 1438d00efe3fSMike Christie goto exit_init_fw_cb; 1439d00efe3fSMike Christie } 1440d00efe3fSMike Christie 1441d00efe3fSMike Christie memset(init_fw_cb, 0, sizeof(struct addr_ctrl_blk)); 1442d00efe3fSMike Christie qla4xxx_update_local_ifcb(ha, &mbox_cmd[0], &mbox_sts[0], init_fw_cb, 1443d00efe3fSMike Christie init_fw_cb_dma); 1444d00efe3fSMike Christie 1445d00efe3fSMike Christie exit_init_fw_cb: 1446d00efe3fSMike Christie dma_free_coherent(&ha->pdev->dev, sizeof(struct addr_ctrl_blk), 1447d00efe3fSMike Christie init_fw_cb, init_fw_cb_dma); 1448d00efe3fSMike Christie 1449d00efe3fSMike Christie return rval; 1450d00efe3fSMike Christie } 1451d00efe3fSMike Christie 1452fca9f04dSMike Christie static int qla4xxx_session_get_param(struct iscsi_cls_session *cls_sess, 1453fca9f04dSMike Christie enum iscsi_param param, char *buf) 1454fca9f04dSMike Christie { 1455fca9f04dSMike Christie struct iscsi_session *sess = cls_sess->dd_data; 1456fca9f04dSMike Christie struct ddb_entry *ddb_entry = sess->dd_data; 1457fca9f04dSMike Christie struct scsi_qla_host *ha = ddb_entry->ha; 1458fca9f04dSMike Christie int rval, len; 1459fca9f04dSMike Christie uint16_t idx; 1460fca9f04dSMike Christie 1461fca9f04dSMike Christie switch (param) { 1462fca9f04dSMike Christie case ISCSI_PARAM_CHAP_IN_IDX: 1463fca9f04dSMike Christie rval = qla4xxx_get_chap_index(ha, sess->username_in, 1464fca9f04dSMike Christie sess->password_in, BIDI_CHAP, 1465fca9f04dSMike Christie &idx); 1466fca9f04dSMike Christie if (rval) 1467c7a5e0d0SManish Rangankar len = sprintf(buf, "\n"); 1468c7a5e0d0SManish Rangankar else 1469fca9f04dSMike Christie len = sprintf(buf, "%hu\n", idx); 1470fca9f04dSMike Christie break; 1471fca9f04dSMike Christie case ISCSI_PARAM_CHAP_OUT_IDX: 1472fca9f04dSMike Christie rval = qla4xxx_get_chap_index(ha, sess->username, 1473fca9f04dSMike Christie sess->password, LOCAL_CHAP, 1474fca9f04dSMike Christie &idx); 1475fca9f04dSMike Christie if (rval) 1476c7a5e0d0SManish Rangankar len = sprintf(buf, "\n"); 1477c7a5e0d0SManish Rangankar else 1478fca9f04dSMike Christie len = sprintf(buf, "%hu\n", idx); 1479fca9f04dSMike Christie break; 1480fca9f04dSMike Christie default: 1481fca9f04dSMike Christie return iscsi_session_get_param(cls_sess, param, buf); 1482fca9f04dSMike Christie } 1483fca9f04dSMike Christie 1484fca9f04dSMike Christie return len; 1485fca9f04dSMike Christie } 1486fca9f04dSMike Christie 1487b3a271a9SManish Rangankar static int qla4xxx_conn_get_param(struct iscsi_cls_conn *cls_conn, 1488afaf5a2dSDavid Somayajulu enum iscsi_param param, char *buf) 1489afaf5a2dSDavid Somayajulu { 1490b3a271a9SManish Rangankar struct iscsi_conn *conn; 1491b3a271a9SManish Rangankar struct qla_conn *qla_conn; 1492b3a271a9SManish Rangankar struct sockaddr *dst_addr; 1493b3a271a9SManish Rangankar int len = 0; 1494afaf5a2dSDavid Somayajulu 1495b3a271a9SManish Rangankar conn = cls_conn->dd_data; 1496b3a271a9SManish Rangankar qla_conn = conn->dd_data; 1497d46bdeb1SManish Rangankar dst_addr = (struct sockaddr *)&qla_conn->qla_ep->dst_addr; 1498afaf5a2dSDavid Somayajulu 1499afaf5a2dSDavid Somayajulu switch (param) { 1500afaf5a2dSDavid Somayajulu case ISCSI_PARAM_CONN_PORT: 1501afaf5a2dSDavid Somayajulu case ISCSI_PARAM_CONN_ADDRESS: 1502b3a271a9SManish Rangankar return iscsi_conn_get_addr_param((struct sockaddr_storage *) 1503b3a271a9SManish Rangankar dst_addr, param, buf); 1504afaf5a2dSDavid Somayajulu default: 1505b3a271a9SManish Rangankar return iscsi_conn_get_param(cls_conn, param, buf); 1506afaf5a2dSDavid Somayajulu } 1507afaf5a2dSDavid Somayajulu 1508afaf5a2dSDavid Somayajulu return len; 1509b3a271a9SManish Rangankar 1510afaf5a2dSDavid Somayajulu } 1511afaf5a2dSDavid Somayajulu 151213483730SMike Christie int qla4xxx_get_ddb_index(struct scsi_qla_host *ha, uint16_t *ddb_index) 151313483730SMike Christie { 151413483730SMike Christie uint32_t mbx_sts = 0; 151513483730SMike Christie uint16_t tmp_ddb_index; 151613483730SMike Christie int ret; 151713483730SMike Christie 151813483730SMike Christie get_ddb_index: 151913483730SMike Christie tmp_ddb_index = find_first_zero_bit(ha->ddb_idx_map, MAX_DDB_ENTRIES); 152013483730SMike Christie 152113483730SMike Christie if (tmp_ddb_index >= MAX_DDB_ENTRIES) { 152213483730SMike Christie DEBUG2(ql4_printk(KERN_INFO, ha, 152313483730SMike Christie "Free DDB index not available\n")); 152413483730SMike Christie ret = QLA_ERROR; 152513483730SMike Christie goto exit_get_ddb_index; 152613483730SMike Christie } 152713483730SMike Christie 152813483730SMike Christie if (test_and_set_bit(tmp_ddb_index, ha->ddb_idx_map)) 152913483730SMike Christie goto get_ddb_index; 153013483730SMike Christie 153113483730SMike Christie DEBUG2(ql4_printk(KERN_INFO, ha, 153213483730SMike Christie "Found a free DDB index at %d\n", tmp_ddb_index)); 153313483730SMike Christie ret = qla4xxx_req_ddb_entry(ha, tmp_ddb_index, &mbx_sts); 153413483730SMike Christie if (ret == QLA_ERROR) { 153513483730SMike Christie if (mbx_sts == MBOX_STS_COMMAND_ERROR) { 153613483730SMike Christie ql4_printk(KERN_INFO, ha, 153713483730SMike Christie "DDB index = %d not available trying next\n", 153813483730SMike Christie tmp_ddb_index); 153913483730SMike Christie goto get_ddb_index; 154013483730SMike Christie } 154113483730SMike Christie DEBUG2(ql4_printk(KERN_INFO, ha, 154213483730SMike Christie "Free FW DDB not available\n")); 154313483730SMike Christie } 154413483730SMike Christie 154513483730SMike Christie *ddb_index = tmp_ddb_index; 154613483730SMike Christie 154713483730SMike Christie exit_get_ddb_index: 154813483730SMike Christie return ret; 154913483730SMike Christie } 155013483730SMike Christie 155113483730SMike Christie static int qla4xxx_match_ipaddress(struct scsi_qla_host *ha, 155213483730SMike Christie struct ddb_entry *ddb_entry, 155313483730SMike Christie char *existing_ipaddr, 155413483730SMike Christie char *user_ipaddr) 155513483730SMike Christie { 155613483730SMike Christie uint8_t dst_ipaddr[IPv6_ADDR_LEN]; 155713483730SMike Christie char formatted_ipaddr[DDB_IPADDR_LEN]; 155813483730SMike Christie int status = QLA_SUCCESS, ret = 0; 155913483730SMike Christie 156013483730SMike Christie if (ddb_entry->fw_ddb_entry.options & DDB_OPT_IPV6_DEVICE) { 156113483730SMike Christie ret = in6_pton(user_ipaddr, strlen(user_ipaddr), dst_ipaddr, 156213483730SMike Christie '\0', NULL); 156313483730SMike Christie if (ret == 0) { 156413483730SMike Christie status = QLA_ERROR; 156513483730SMike Christie goto out_match; 156613483730SMike Christie } 156713483730SMike Christie ret = sprintf(formatted_ipaddr, "%pI6", dst_ipaddr); 156813483730SMike Christie } else { 156913483730SMike Christie ret = in4_pton(user_ipaddr, strlen(user_ipaddr), dst_ipaddr, 157013483730SMike Christie '\0', NULL); 157113483730SMike Christie if (ret == 0) { 157213483730SMike Christie status = QLA_ERROR; 157313483730SMike Christie goto out_match; 157413483730SMike Christie } 157513483730SMike Christie ret = sprintf(formatted_ipaddr, "%pI4", dst_ipaddr); 157613483730SMike Christie } 157713483730SMike Christie 157813483730SMike Christie if (strcmp(existing_ipaddr, formatted_ipaddr)) 157913483730SMike Christie status = QLA_ERROR; 158013483730SMike Christie 158113483730SMike Christie out_match: 158213483730SMike Christie return status; 158313483730SMike Christie } 158413483730SMike Christie 158513483730SMike Christie static int qla4xxx_match_fwdb_session(struct scsi_qla_host *ha, 158613483730SMike Christie struct iscsi_cls_conn *cls_conn) 158713483730SMike Christie { 158813483730SMike Christie int idx = 0, max_ddbs, rval; 158913483730SMike Christie struct iscsi_cls_session *cls_sess = iscsi_conn_to_session(cls_conn); 159013483730SMike Christie struct iscsi_session *sess, *existing_sess; 159113483730SMike Christie struct iscsi_conn *conn, *existing_conn; 159213483730SMike Christie struct ddb_entry *ddb_entry; 159313483730SMike Christie 159413483730SMike Christie sess = cls_sess->dd_data; 159513483730SMike Christie conn = cls_conn->dd_data; 159613483730SMike Christie 159713483730SMike Christie if (sess->targetname == NULL || 159813483730SMike Christie conn->persistent_address == NULL || 159913483730SMike Christie conn->persistent_port == 0) 160013483730SMike Christie return QLA_ERROR; 160113483730SMike Christie 160213483730SMike Christie max_ddbs = is_qla40XX(ha) ? MAX_DEV_DB_ENTRIES_40XX : 160313483730SMike Christie MAX_DEV_DB_ENTRIES; 160413483730SMike Christie 160513483730SMike Christie for (idx = 0; idx < max_ddbs; idx++) { 160613483730SMike Christie ddb_entry = qla4xxx_lookup_ddb_by_fw_index(ha, idx); 160713483730SMike Christie if (ddb_entry == NULL) 160813483730SMike Christie continue; 160913483730SMike Christie 161013483730SMike Christie if (ddb_entry->ddb_type != FLASH_DDB) 161113483730SMike Christie continue; 161213483730SMike Christie 161313483730SMike Christie existing_sess = ddb_entry->sess->dd_data; 161413483730SMike Christie existing_conn = ddb_entry->conn->dd_data; 161513483730SMike Christie 161613483730SMike Christie if (existing_sess->targetname == NULL || 161713483730SMike Christie existing_conn->persistent_address == NULL || 161813483730SMike Christie existing_conn->persistent_port == 0) 161913483730SMike Christie continue; 162013483730SMike Christie 162113483730SMike Christie DEBUG2(ql4_printk(KERN_INFO, ha, 162213483730SMike Christie "IQN = %s User IQN = %s\n", 162313483730SMike Christie existing_sess->targetname, 162413483730SMike Christie sess->targetname)); 162513483730SMike Christie 162613483730SMike Christie DEBUG2(ql4_printk(KERN_INFO, ha, 162713483730SMike Christie "IP = %s User IP = %s\n", 162813483730SMike Christie existing_conn->persistent_address, 162913483730SMike Christie conn->persistent_address)); 163013483730SMike Christie 163113483730SMike Christie DEBUG2(ql4_printk(KERN_INFO, ha, 163213483730SMike Christie "Port = %d User Port = %d\n", 163313483730SMike Christie existing_conn->persistent_port, 163413483730SMike Christie conn->persistent_port)); 163513483730SMike Christie 163613483730SMike Christie if (strcmp(existing_sess->targetname, sess->targetname)) 163713483730SMike Christie continue; 163813483730SMike Christie rval = qla4xxx_match_ipaddress(ha, ddb_entry, 163913483730SMike Christie existing_conn->persistent_address, 164013483730SMike Christie conn->persistent_address); 164113483730SMike Christie if (rval == QLA_ERROR) 164213483730SMike Christie continue; 164313483730SMike Christie if (existing_conn->persistent_port != conn->persistent_port) 164413483730SMike Christie continue; 164513483730SMike Christie break; 164613483730SMike Christie } 164713483730SMike Christie 164813483730SMike Christie if (idx == max_ddbs) 164913483730SMike Christie return QLA_ERROR; 165013483730SMike Christie 165113483730SMike Christie DEBUG2(ql4_printk(KERN_INFO, ha, 165213483730SMike Christie "Match found in fwdb sessions\n")); 165313483730SMike Christie return QLA_SUCCESS; 165413483730SMike Christie } 165513483730SMike Christie 1656b3a271a9SManish Rangankar static struct iscsi_cls_session * 1657b3a271a9SManish Rangankar qla4xxx_session_create(struct iscsi_endpoint *ep, 1658b3a271a9SManish Rangankar uint16_t cmds_max, uint16_t qdepth, 1659b3a271a9SManish Rangankar uint32_t initial_cmdsn) 1660b3a271a9SManish Rangankar { 1661b3a271a9SManish Rangankar struct iscsi_cls_session *cls_sess; 1662b3a271a9SManish Rangankar struct scsi_qla_host *ha; 1663b3a271a9SManish Rangankar struct qla_endpoint *qla_ep; 1664b3a271a9SManish Rangankar struct ddb_entry *ddb_entry; 166513483730SMike Christie uint16_t ddb_index; 1666b3a271a9SManish Rangankar struct iscsi_session *sess; 1667b3a271a9SManish Rangankar struct sockaddr *dst_addr; 1668b3a271a9SManish Rangankar int ret; 1669b3a271a9SManish Rangankar 1670b3a271a9SManish Rangankar DEBUG2(printk(KERN_INFO "Func: %s\n", __func__)); 1671b3a271a9SManish Rangankar if (!ep) { 1672b3a271a9SManish Rangankar printk(KERN_ERR "qla4xxx: missing ep.\n"); 1673b3a271a9SManish Rangankar return NULL; 1674b3a271a9SManish Rangankar } 1675b3a271a9SManish Rangankar 1676b3a271a9SManish Rangankar qla_ep = ep->dd_data; 1677b3a271a9SManish Rangankar dst_addr = (struct sockaddr *)&qla_ep->dst_addr; 1678b3a271a9SManish Rangankar ha = to_qla_host(qla_ep->host); 1679736cf369SManish Rangankar 168013483730SMike Christie ret = qla4xxx_get_ddb_index(ha, &ddb_index); 168113483730SMike Christie if (ret == QLA_ERROR) 1682b3a271a9SManish Rangankar return NULL; 1683b3a271a9SManish Rangankar 1684b3a271a9SManish Rangankar cls_sess = iscsi_session_setup(&qla4xxx_iscsi_transport, qla_ep->host, 1685b3a271a9SManish Rangankar cmds_max, sizeof(struct ddb_entry), 1686b3a271a9SManish Rangankar sizeof(struct ql4_task_data), 1687b3a271a9SManish Rangankar initial_cmdsn, ddb_index); 1688b3a271a9SManish Rangankar if (!cls_sess) 1689b3a271a9SManish Rangankar return NULL; 1690b3a271a9SManish Rangankar 1691b3a271a9SManish Rangankar sess = cls_sess->dd_data; 1692b3a271a9SManish Rangankar ddb_entry = sess->dd_data; 1693b3a271a9SManish Rangankar ddb_entry->fw_ddb_index = ddb_index; 1694b3a271a9SManish Rangankar ddb_entry->fw_ddb_device_state = DDB_DS_NO_CONNECTION_ACTIVE; 1695b3a271a9SManish Rangankar ddb_entry->ha = ha; 1696b3a271a9SManish Rangankar ddb_entry->sess = cls_sess; 169713483730SMike Christie ddb_entry->unblock_sess = qla4xxx_unblock_ddb; 169813483730SMike Christie ddb_entry->ddb_change = qla4xxx_ddb_change; 1699b3a271a9SManish Rangankar cls_sess->recovery_tmo = ql4xsess_recovery_tmo; 1700b3a271a9SManish Rangankar ha->fw_ddb_index_map[ddb_entry->fw_ddb_index] = ddb_entry; 1701b3a271a9SManish Rangankar ha->tot_ddbs++; 1702b3a271a9SManish Rangankar 1703b3a271a9SManish Rangankar return cls_sess; 1704b3a271a9SManish Rangankar } 1705b3a271a9SManish Rangankar 1706b3a271a9SManish Rangankar static void qla4xxx_session_destroy(struct iscsi_cls_session *cls_sess) 1707b3a271a9SManish Rangankar { 1708b3a271a9SManish Rangankar struct iscsi_session *sess; 1709b3a271a9SManish Rangankar struct ddb_entry *ddb_entry; 1710b3a271a9SManish Rangankar struct scsi_qla_host *ha; 171190599b62SManish Rangankar unsigned long flags, wtime; 171290599b62SManish Rangankar struct dev_db_entry *fw_ddb_entry = NULL; 171390599b62SManish Rangankar dma_addr_t fw_ddb_entry_dma; 171490599b62SManish Rangankar uint32_t ddb_state; 171590599b62SManish Rangankar int ret; 1716b3a271a9SManish Rangankar 1717b3a271a9SManish Rangankar DEBUG2(printk(KERN_INFO "Func: %s\n", __func__)); 1718b3a271a9SManish Rangankar sess = cls_sess->dd_data; 1719b3a271a9SManish Rangankar ddb_entry = sess->dd_data; 1720b3a271a9SManish Rangankar ha = ddb_entry->ha; 1721b3a271a9SManish Rangankar 172290599b62SManish Rangankar fw_ddb_entry = dma_alloc_coherent(&ha->pdev->dev, sizeof(*fw_ddb_entry), 172390599b62SManish Rangankar &fw_ddb_entry_dma, GFP_KERNEL); 172490599b62SManish Rangankar if (!fw_ddb_entry) { 172590599b62SManish Rangankar ql4_printk(KERN_ERR, ha, 172690599b62SManish Rangankar "%s: Unable to allocate dma buffer\n", __func__); 172790599b62SManish Rangankar goto destroy_session; 172890599b62SManish Rangankar } 172990599b62SManish Rangankar 173090599b62SManish Rangankar wtime = jiffies + (HZ * LOGOUT_TOV); 173190599b62SManish Rangankar do { 173290599b62SManish Rangankar ret = qla4xxx_get_fwddb_entry(ha, ddb_entry->fw_ddb_index, 173390599b62SManish Rangankar fw_ddb_entry, fw_ddb_entry_dma, 173490599b62SManish Rangankar NULL, NULL, &ddb_state, NULL, 173590599b62SManish Rangankar NULL, NULL); 173690599b62SManish Rangankar if (ret == QLA_ERROR) 173790599b62SManish Rangankar goto destroy_session; 173890599b62SManish Rangankar 173990599b62SManish Rangankar if ((ddb_state == DDB_DS_NO_CONNECTION_ACTIVE) || 174090599b62SManish Rangankar (ddb_state == DDB_DS_SESSION_FAILED)) 174190599b62SManish Rangankar goto destroy_session; 174290599b62SManish Rangankar 174390599b62SManish Rangankar schedule_timeout_uninterruptible(HZ); 174490599b62SManish Rangankar } while ((time_after(wtime, jiffies))); 174590599b62SManish Rangankar 174690599b62SManish Rangankar destroy_session: 1747736cf369SManish Rangankar qla4xxx_clear_ddb_entry(ha, ddb_entry->fw_ddb_index); 1748736cf369SManish Rangankar 1749b3a271a9SManish Rangankar spin_lock_irqsave(&ha->hardware_lock, flags); 1750b3a271a9SManish Rangankar qla4xxx_free_ddb(ha, ddb_entry); 1751b3a271a9SManish Rangankar spin_unlock_irqrestore(&ha->hardware_lock, flags); 175290599b62SManish Rangankar 1753b3a271a9SManish Rangankar iscsi_session_teardown(cls_sess); 175490599b62SManish Rangankar 175590599b62SManish Rangankar if (fw_ddb_entry) 175690599b62SManish Rangankar dma_free_coherent(&ha->pdev->dev, sizeof(*fw_ddb_entry), 175790599b62SManish Rangankar fw_ddb_entry, fw_ddb_entry_dma); 1758b3a271a9SManish Rangankar } 1759b3a271a9SManish Rangankar 1760b3a271a9SManish Rangankar static struct iscsi_cls_conn * 1761b3a271a9SManish Rangankar qla4xxx_conn_create(struct iscsi_cls_session *cls_sess, uint32_t conn_idx) 1762b3a271a9SManish Rangankar { 1763b3a271a9SManish Rangankar struct iscsi_cls_conn *cls_conn; 1764b3a271a9SManish Rangankar struct iscsi_session *sess; 1765b3a271a9SManish Rangankar struct ddb_entry *ddb_entry; 1766b3a271a9SManish Rangankar 1767b3a271a9SManish Rangankar DEBUG2(printk(KERN_INFO "Func: %s\n", __func__)); 1768b3a271a9SManish Rangankar cls_conn = iscsi_conn_setup(cls_sess, sizeof(struct qla_conn), 1769b3a271a9SManish Rangankar conn_idx); 1770ff1d0319SMike Christie if (!cls_conn) 1771ff1d0319SMike Christie return NULL; 1772ff1d0319SMike Christie 1773b3a271a9SManish Rangankar sess = cls_sess->dd_data; 1774b3a271a9SManish Rangankar ddb_entry = sess->dd_data; 1775b3a271a9SManish Rangankar ddb_entry->conn = cls_conn; 1776b3a271a9SManish Rangankar 1777b3a271a9SManish Rangankar return cls_conn; 1778b3a271a9SManish Rangankar } 1779b3a271a9SManish Rangankar 1780b3a271a9SManish Rangankar static int qla4xxx_conn_bind(struct iscsi_cls_session *cls_session, 1781b3a271a9SManish Rangankar struct iscsi_cls_conn *cls_conn, 1782b3a271a9SManish Rangankar uint64_t transport_fd, int is_leading) 1783b3a271a9SManish Rangankar { 1784b3a271a9SManish Rangankar struct iscsi_conn *conn; 1785b3a271a9SManish Rangankar struct qla_conn *qla_conn; 1786b3a271a9SManish Rangankar struct iscsi_endpoint *ep; 1787b3a271a9SManish Rangankar 1788b3a271a9SManish Rangankar DEBUG2(printk(KERN_INFO "Func: %s\n", __func__)); 1789b3a271a9SManish Rangankar 1790b3a271a9SManish Rangankar if (iscsi_conn_bind(cls_session, cls_conn, is_leading)) 1791b3a271a9SManish Rangankar return -EINVAL; 1792b3a271a9SManish Rangankar ep = iscsi_lookup_endpoint(transport_fd); 1793b3a271a9SManish Rangankar conn = cls_conn->dd_data; 1794b3a271a9SManish Rangankar qla_conn = conn->dd_data; 1795b3a271a9SManish Rangankar qla_conn->qla_ep = ep->dd_data; 1796b3a271a9SManish Rangankar return 0; 1797b3a271a9SManish Rangankar } 1798b3a271a9SManish Rangankar 1799b3a271a9SManish Rangankar static int qla4xxx_conn_start(struct iscsi_cls_conn *cls_conn) 1800b3a271a9SManish Rangankar { 1801b3a271a9SManish Rangankar struct iscsi_cls_session *cls_sess = iscsi_conn_to_session(cls_conn); 1802b3a271a9SManish Rangankar struct iscsi_session *sess; 1803b3a271a9SManish Rangankar struct ddb_entry *ddb_entry; 1804b3a271a9SManish Rangankar struct scsi_qla_host *ha; 180513483730SMike Christie struct dev_db_entry *fw_ddb_entry = NULL; 1806b3a271a9SManish Rangankar dma_addr_t fw_ddb_entry_dma; 1807b3a271a9SManish Rangankar uint32_t mbx_sts = 0; 1808b3a271a9SManish Rangankar int ret = 0; 1809b3a271a9SManish Rangankar int status = QLA_SUCCESS; 1810b3a271a9SManish Rangankar 1811b3a271a9SManish Rangankar DEBUG2(printk(KERN_INFO "Func: %s\n", __func__)); 1812b3a271a9SManish Rangankar sess = cls_sess->dd_data; 1813b3a271a9SManish Rangankar ddb_entry = sess->dd_data; 1814b3a271a9SManish Rangankar ha = ddb_entry->ha; 1815b3a271a9SManish Rangankar 181613483730SMike Christie /* Check if we have matching FW DDB, if yes then do not 181713483730SMike Christie * login to this target. This could cause target to logout previous 181813483730SMike Christie * connection 181913483730SMike Christie */ 182013483730SMike Christie ret = qla4xxx_match_fwdb_session(ha, cls_conn); 182113483730SMike Christie if (ret == QLA_SUCCESS) { 182213483730SMike Christie ql4_printk(KERN_INFO, ha, 182313483730SMike Christie "Session already exist in FW.\n"); 182413483730SMike Christie ret = -EEXIST; 182513483730SMike Christie goto exit_conn_start; 182613483730SMike Christie } 182713483730SMike Christie 1828b3a271a9SManish Rangankar fw_ddb_entry = dma_alloc_coherent(&ha->pdev->dev, sizeof(*fw_ddb_entry), 1829b3a271a9SManish Rangankar &fw_ddb_entry_dma, GFP_KERNEL); 1830b3a271a9SManish Rangankar if (!fw_ddb_entry) { 1831b3a271a9SManish Rangankar ql4_printk(KERN_ERR, ha, 1832b3a271a9SManish Rangankar "%s: Unable to allocate dma buffer\n", __func__); 183313483730SMike Christie ret = -ENOMEM; 183413483730SMike Christie goto exit_conn_start; 1835b3a271a9SManish Rangankar } 1836b3a271a9SManish Rangankar 1837b3a271a9SManish Rangankar ret = qla4xxx_set_param_ddbentry(ha, ddb_entry, cls_conn, &mbx_sts); 1838b3a271a9SManish Rangankar if (ret) { 1839b3a271a9SManish Rangankar /* If iscsid is stopped and started then no need to do 1840b3a271a9SManish Rangankar * set param again since ddb state will be already 1841b3a271a9SManish Rangankar * active and FW does not allow set ddb to an 1842b3a271a9SManish Rangankar * active session. 1843b3a271a9SManish Rangankar */ 1844b3a271a9SManish Rangankar if (mbx_sts) 1845b3a271a9SManish Rangankar if (ddb_entry->fw_ddb_device_state == 1846f922da79SManish Rangankar DDB_DS_SESSION_ACTIVE) { 184713483730SMike Christie ddb_entry->unblock_sess(ddb_entry->sess); 1848b3a271a9SManish Rangankar goto exit_set_param; 1849f922da79SManish Rangankar } 1850b3a271a9SManish Rangankar 1851b3a271a9SManish Rangankar ql4_printk(KERN_ERR, ha, "%s: Failed set param for index[%d]\n", 1852b3a271a9SManish Rangankar __func__, ddb_entry->fw_ddb_index); 1853b3a271a9SManish Rangankar goto exit_conn_start; 1854b3a271a9SManish Rangankar } 1855b3a271a9SManish Rangankar 1856b3a271a9SManish Rangankar status = qla4xxx_conn_open(ha, ddb_entry->fw_ddb_index); 1857b3a271a9SManish Rangankar if (status == QLA_ERROR) { 18580e7e8501SManish Rangankar ql4_printk(KERN_ERR, ha, "%s: Login failed: %s\n", __func__, 18590e7e8501SManish Rangankar sess->targetname); 1860b3a271a9SManish Rangankar ret = -EINVAL; 1861b3a271a9SManish Rangankar goto exit_conn_start; 1862b3a271a9SManish Rangankar } 1863b3a271a9SManish Rangankar 186498270ab4SManish Rangankar if (ddb_entry->fw_ddb_device_state == DDB_DS_NO_CONNECTION_ACTIVE) 1865b3a271a9SManish Rangankar ddb_entry->fw_ddb_device_state = DDB_DS_LOGIN_IN_PROCESS; 1866b3a271a9SManish Rangankar 186798270ab4SManish Rangankar DEBUG2(printk(KERN_INFO "%s: DDB state [%d]\n", __func__, 186898270ab4SManish Rangankar ddb_entry->fw_ddb_device_state)); 186998270ab4SManish Rangankar 1870b3a271a9SManish Rangankar exit_set_param: 1871b3a271a9SManish Rangankar ret = 0; 1872b3a271a9SManish Rangankar 1873b3a271a9SManish Rangankar exit_conn_start: 187413483730SMike Christie if (fw_ddb_entry) 1875b3a271a9SManish Rangankar dma_free_coherent(&ha->pdev->dev, sizeof(*fw_ddb_entry), 1876b3a271a9SManish Rangankar fw_ddb_entry, fw_ddb_entry_dma); 1877b3a271a9SManish Rangankar return ret; 1878b3a271a9SManish Rangankar } 1879b3a271a9SManish Rangankar 1880b3a271a9SManish Rangankar static void qla4xxx_conn_destroy(struct iscsi_cls_conn *cls_conn) 1881b3a271a9SManish Rangankar { 1882b3a271a9SManish Rangankar struct iscsi_cls_session *cls_sess = iscsi_conn_to_session(cls_conn); 1883b3a271a9SManish Rangankar struct iscsi_session *sess; 1884b3a271a9SManish Rangankar struct scsi_qla_host *ha; 1885b3a271a9SManish Rangankar struct ddb_entry *ddb_entry; 1886b3a271a9SManish Rangankar int options; 1887b3a271a9SManish Rangankar 1888b3a271a9SManish Rangankar DEBUG2(printk(KERN_INFO "Func: %s\n", __func__)); 1889b3a271a9SManish Rangankar sess = cls_sess->dd_data; 1890b3a271a9SManish Rangankar ddb_entry = sess->dd_data; 1891b3a271a9SManish Rangankar ha = ddb_entry->ha; 1892b3a271a9SManish Rangankar 1893b3a271a9SManish Rangankar options = LOGOUT_OPTION_CLOSE_SESSION; 1894b3a271a9SManish Rangankar if (qla4xxx_session_logout_ddb(ha, ddb_entry, options) == QLA_ERROR) 1895b3a271a9SManish Rangankar ql4_printk(KERN_ERR, ha, "%s: Logout failed\n", __func__); 1896b3a271a9SManish Rangankar } 1897b3a271a9SManish Rangankar 1898b3a271a9SManish Rangankar static void qla4xxx_task_work(struct work_struct *wdata) 1899b3a271a9SManish Rangankar { 1900b3a271a9SManish Rangankar struct ql4_task_data *task_data; 1901b3a271a9SManish Rangankar struct scsi_qla_host *ha; 1902b3a271a9SManish Rangankar struct passthru_status *sts; 1903b3a271a9SManish Rangankar struct iscsi_task *task; 1904b3a271a9SManish Rangankar struct iscsi_hdr *hdr; 1905b3a271a9SManish Rangankar uint8_t *data; 1906b3a271a9SManish Rangankar uint32_t data_len; 1907b3a271a9SManish Rangankar struct iscsi_conn *conn; 1908b3a271a9SManish Rangankar int hdr_len; 1909b3a271a9SManish Rangankar itt_t itt; 1910b3a271a9SManish Rangankar 1911b3a271a9SManish Rangankar task_data = container_of(wdata, struct ql4_task_data, task_work); 1912b3a271a9SManish Rangankar ha = task_data->ha; 1913b3a271a9SManish Rangankar task = task_data->task; 1914b3a271a9SManish Rangankar sts = &task_data->sts; 1915b3a271a9SManish Rangankar hdr_len = sizeof(struct iscsi_hdr); 1916b3a271a9SManish Rangankar 1917b3a271a9SManish Rangankar DEBUG3(printk(KERN_INFO "Status returned\n")); 1918b3a271a9SManish Rangankar DEBUG3(qla4xxx_dump_buffer(sts, 64)); 1919b3a271a9SManish Rangankar DEBUG3(printk(KERN_INFO "Response buffer")); 1920b3a271a9SManish Rangankar DEBUG3(qla4xxx_dump_buffer(task_data->resp_buffer, 64)); 1921b3a271a9SManish Rangankar 1922b3a271a9SManish Rangankar conn = task->conn; 1923b3a271a9SManish Rangankar 1924b3a271a9SManish Rangankar switch (sts->completionStatus) { 1925b3a271a9SManish Rangankar case PASSTHRU_STATUS_COMPLETE: 1926b3a271a9SManish Rangankar hdr = (struct iscsi_hdr *)task_data->resp_buffer; 1927b3a271a9SManish Rangankar /* Assign back the itt in hdr, until we use the PREASSIGN_TAG */ 1928b3a271a9SManish Rangankar itt = sts->handle; 1929b3a271a9SManish Rangankar hdr->itt = itt; 1930b3a271a9SManish Rangankar data = task_data->resp_buffer + hdr_len; 1931b3a271a9SManish Rangankar data_len = task_data->resp_len - hdr_len; 1932b3a271a9SManish Rangankar iscsi_complete_pdu(conn, hdr, data, data_len); 1933b3a271a9SManish Rangankar break; 1934b3a271a9SManish Rangankar default: 1935b3a271a9SManish Rangankar ql4_printk(KERN_ERR, ha, "Passthru failed status = 0x%x\n", 1936b3a271a9SManish Rangankar sts->completionStatus); 1937b3a271a9SManish Rangankar break; 1938b3a271a9SManish Rangankar } 1939b3a271a9SManish Rangankar return; 1940b3a271a9SManish Rangankar } 1941b3a271a9SManish Rangankar 1942b3a271a9SManish Rangankar static int qla4xxx_alloc_pdu(struct iscsi_task *task, uint8_t opcode) 1943b3a271a9SManish Rangankar { 1944b3a271a9SManish Rangankar struct ql4_task_data *task_data; 1945b3a271a9SManish Rangankar struct iscsi_session *sess; 1946b3a271a9SManish Rangankar struct ddb_entry *ddb_entry; 1947b3a271a9SManish Rangankar struct scsi_qla_host *ha; 1948b3a271a9SManish Rangankar int hdr_len; 1949b3a271a9SManish Rangankar 1950b3a271a9SManish Rangankar sess = task->conn->session; 1951b3a271a9SManish Rangankar ddb_entry = sess->dd_data; 1952b3a271a9SManish Rangankar ha = ddb_entry->ha; 1953b3a271a9SManish Rangankar task_data = task->dd_data; 1954b3a271a9SManish Rangankar memset(task_data, 0, sizeof(struct ql4_task_data)); 1955b3a271a9SManish Rangankar 1956b3a271a9SManish Rangankar if (task->sc) { 1957b3a271a9SManish Rangankar ql4_printk(KERN_INFO, ha, 1958b3a271a9SManish Rangankar "%s: SCSI Commands not implemented\n", __func__); 1959b3a271a9SManish Rangankar return -EINVAL; 1960b3a271a9SManish Rangankar } 1961b3a271a9SManish Rangankar 1962b3a271a9SManish Rangankar hdr_len = sizeof(struct iscsi_hdr); 1963b3a271a9SManish Rangankar task_data->ha = ha; 1964b3a271a9SManish Rangankar task_data->task = task; 1965b3a271a9SManish Rangankar 1966b3a271a9SManish Rangankar if (task->data_count) { 1967b3a271a9SManish Rangankar task_data->data_dma = dma_map_single(&ha->pdev->dev, task->data, 1968b3a271a9SManish Rangankar task->data_count, 1969b3a271a9SManish Rangankar PCI_DMA_TODEVICE); 1970b3a271a9SManish Rangankar } 1971b3a271a9SManish Rangankar 1972b3a271a9SManish Rangankar DEBUG2(ql4_printk(KERN_INFO, ha, "%s: MaxRecvLen %u, iscsi hrd %d\n", 1973b3a271a9SManish Rangankar __func__, task->conn->max_recv_dlength, hdr_len)); 1974b3a271a9SManish Rangankar 197569ca216eSManish Rangankar task_data->resp_len = task->conn->max_recv_dlength + hdr_len; 1976b3a271a9SManish Rangankar task_data->resp_buffer = dma_alloc_coherent(&ha->pdev->dev, 1977b3a271a9SManish Rangankar task_data->resp_len, 1978b3a271a9SManish Rangankar &task_data->resp_dma, 1979b3a271a9SManish Rangankar GFP_ATOMIC); 1980b3a271a9SManish Rangankar if (!task_data->resp_buffer) 1981b3a271a9SManish Rangankar goto exit_alloc_pdu; 1982b3a271a9SManish Rangankar 198369ca216eSManish Rangankar task_data->req_len = task->data_count + hdr_len; 1984b3a271a9SManish Rangankar task_data->req_buffer = dma_alloc_coherent(&ha->pdev->dev, 198569ca216eSManish Rangankar task_data->req_len, 1986b3a271a9SManish Rangankar &task_data->req_dma, 1987b3a271a9SManish Rangankar GFP_ATOMIC); 1988b3a271a9SManish Rangankar if (!task_data->req_buffer) 1989b3a271a9SManish Rangankar goto exit_alloc_pdu; 1990b3a271a9SManish Rangankar 1991b3a271a9SManish Rangankar task->hdr = task_data->req_buffer; 1992b3a271a9SManish Rangankar 1993b3a271a9SManish Rangankar INIT_WORK(&task_data->task_work, qla4xxx_task_work); 1994b3a271a9SManish Rangankar 1995b3a271a9SManish Rangankar return 0; 1996b3a271a9SManish Rangankar 1997b3a271a9SManish Rangankar exit_alloc_pdu: 1998b3a271a9SManish Rangankar if (task_data->resp_buffer) 1999b3a271a9SManish Rangankar dma_free_coherent(&ha->pdev->dev, task_data->resp_len, 2000b3a271a9SManish Rangankar task_data->resp_buffer, task_data->resp_dma); 2001b3a271a9SManish Rangankar 2002b3a271a9SManish Rangankar if (task_data->req_buffer) 200369ca216eSManish Rangankar dma_free_coherent(&ha->pdev->dev, task_data->req_len, 2004b3a271a9SManish Rangankar task_data->req_buffer, task_data->req_dma); 2005b3a271a9SManish Rangankar return -ENOMEM; 2006b3a271a9SManish Rangankar } 2007b3a271a9SManish Rangankar 2008b3a271a9SManish Rangankar static void qla4xxx_task_cleanup(struct iscsi_task *task) 2009b3a271a9SManish Rangankar { 2010b3a271a9SManish Rangankar struct ql4_task_data *task_data; 2011b3a271a9SManish Rangankar struct iscsi_session *sess; 2012b3a271a9SManish Rangankar struct ddb_entry *ddb_entry; 2013b3a271a9SManish Rangankar struct scsi_qla_host *ha; 2014b3a271a9SManish Rangankar int hdr_len; 2015b3a271a9SManish Rangankar 2016b3a271a9SManish Rangankar hdr_len = sizeof(struct iscsi_hdr); 2017b3a271a9SManish Rangankar sess = task->conn->session; 2018b3a271a9SManish Rangankar ddb_entry = sess->dd_data; 2019b3a271a9SManish Rangankar ha = ddb_entry->ha; 2020b3a271a9SManish Rangankar task_data = task->dd_data; 2021b3a271a9SManish Rangankar 2022b3a271a9SManish Rangankar if (task->data_count) { 2023b3a271a9SManish Rangankar dma_unmap_single(&ha->pdev->dev, task_data->data_dma, 2024b3a271a9SManish Rangankar task->data_count, PCI_DMA_TODEVICE); 2025b3a271a9SManish Rangankar } 2026b3a271a9SManish Rangankar 2027b3a271a9SManish Rangankar DEBUG2(ql4_printk(KERN_INFO, ha, "%s: MaxRecvLen %u, iscsi hrd %d\n", 2028b3a271a9SManish Rangankar __func__, task->conn->max_recv_dlength, hdr_len)); 2029b3a271a9SManish Rangankar 2030b3a271a9SManish Rangankar dma_free_coherent(&ha->pdev->dev, task_data->resp_len, 2031b3a271a9SManish Rangankar task_data->resp_buffer, task_data->resp_dma); 203269ca216eSManish Rangankar dma_free_coherent(&ha->pdev->dev, task_data->req_len, 2033b3a271a9SManish Rangankar task_data->req_buffer, task_data->req_dma); 2034b3a271a9SManish Rangankar return; 2035b3a271a9SManish Rangankar } 2036b3a271a9SManish Rangankar 2037b3a271a9SManish Rangankar static int qla4xxx_task_xmit(struct iscsi_task *task) 2038b3a271a9SManish Rangankar { 2039b3a271a9SManish Rangankar struct scsi_cmnd *sc = task->sc; 2040b3a271a9SManish Rangankar struct iscsi_session *sess = task->conn->session; 2041b3a271a9SManish Rangankar struct ddb_entry *ddb_entry = sess->dd_data; 2042b3a271a9SManish Rangankar struct scsi_qla_host *ha = ddb_entry->ha; 2043b3a271a9SManish Rangankar 2044b3a271a9SManish Rangankar if (!sc) 2045b3a271a9SManish Rangankar return qla4xxx_send_passthru0(task); 2046b3a271a9SManish Rangankar 2047b3a271a9SManish Rangankar ql4_printk(KERN_INFO, ha, "%s: scsi cmd xmit not implemented\n", 2048b3a271a9SManish Rangankar __func__); 2049b3a271a9SManish Rangankar return -ENOSYS; 2050b3a271a9SManish Rangankar } 2051b3a271a9SManish Rangankar 20521e9e2be3SAdheer Chandravanshi static int qla4xxx_copy_from_fwddb_param(struct iscsi_bus_flash_session *sess, 20531e9e2be3SAdheer Chandravanshi struct iscsi_bus_flash_conn *conn, 20541e9e2be3SAdheer Chandravanshi struct dev_db_entry *fw_ddb_entry) 20551e9e2be3SAdheer Chandravanshi { 20561e9e2be3SAdheer Chandravanshi unsigned long options = 0; 20571e9e2be3SAdheer Chandravanshi int rc = 0; 20581e9e2be3SAdheer Chandravanshi 20591e9e2be3SAdheer Chandravanshi options = le16_to_cpu(fw_ddb_entry->options); 20601e9e2be3SAdheer Chandravanshi conn->is_fw_assigned_ipv6 = test_bit(OPT_IS_FW_ASSIGNED_IPV6, &options); 20611e9e2be3SAdheer Chandravanshi if (test_bit(OPT_IPV6_DEVICE, &options)) { 2062c962c18bSAdheer Chandravanshi rc = iscsi_switch_str_param(&sess->portal_type, 2063c962c18bSAdheer Chandravanshi PORTAL_TYPE_IPV6); 20641e9e2be3SAdheer Chandravanshi if (rc) 20651e9e2be3SAdheer Chandravanshi goto exit_copy; 20661e9e2be3SAdheer Chandravanshi } else { 2067c962c18bSAdheer Chandravanshi rc = iscsi_switch_str_param(&sess->portal_type, 2068c962c18bSAdheer Chandravanshi PORTAL_TYPE_IPV4); 20691e9e2be3SAdheer Chandravanshi if (rc) 20701e9e2be3SAdheer Chandravanshi goto exit_copy; 20711e9e2be3SAdheer Chandravanshi } 20721e9e2be3SAdheer Chandravanshi 20731e9e2be3SAdheer Chandravanshi sess->auto_snd_tgt_disable = test_bit(OPT_AUTO_SENDTGTS_DISABLE, 20741e9e2be3SAdheer Chandravanshi &options); 20751e9e2be3SAdheer Chandravanshi sess->discovery_sess = test_bit(OPT_DISC_SESSION, &options); 20761e9e2be3SAdheer Chandravanshi sess->entry_state = test_bit(OPT_ENTRY_STATE, &options); 20771e9e2be3SAdheer Chandravanshi 20781e9e2be3SAdheer Chandravanshi options = le16_to_cpu(fw_ddb_entry->iscsi_options); 20791e9e2be3SAdheer Chandravanshi conn->hdrdgst_en = test_bit(ISCSIOPT_HEADER_DIGEST_EN, &options); 20801e9e2be3SAdheer Chandravanshi conn->datadgst_en = test_bit(ISCSIOPT_DATA_DIGEST_EN, &options); 20811e9e2be3SAdheer Chandravanshi sess->imm_data_en = test_bit(ISCSIOPT_IMMEDIATE_DATA_EN, &options); 20821e9e2be3SAdheer Chandravanshi sess->initial_r2t_en = test_bit(ISCSIOPT_INITIAL_R2T_EN, &options); 20831e9e2be3SAdheer Chandravanshi sess->dataseq_inorder_en = test_bit(ISCSIOPT_DATA_SEQ_IN_ORDER, 20841e9e2be3SAdheer Chandravanshi &options); 20851e9e2be3SAdheer Chandravanshi sess->pdu_inorder_en = test_bit(ISCSIOPT_DATA_PDU_IN_ORDER, &options); 20861e9e2be3SAdheer Chandravanshi sess->chap_auth_en = test_bit(ISCSIOPT_CHAP_AUTH_EN, &options); 20871e9e2be3SAdheer Chandravanshi conn->snack_req_en = test_bit(ISCSIOPT_SNACK_REQ_EN, &options); 20881e9e2be3SAdheer Chandravanshi sess->discovery_logout_en = test_bit(ISCSIOPT_DISCOVERY_LOGOUT_EN, 20891e9e2be3SAdheer Chandravanshi &options); 20901e9e2be3SAdheer Chandravanshi sess->bidi_chap_en = test_bit(ISCSIOPT_BIDI_CHAP_EN, &options); 20911e9e2be3SAdheer Chandravanshi sess->discovery_auth_optional = 20921e9e2be3SAdheer Chandravanshi test_bit(ISCSIOPT_DISCOVERY_AUTH_OPTIONAL, &options); 20931e9e2be3SAdheer Chandravanshi if (test_bit(ISCSIOPT_ERL1, &options)) 20941e9e2be3SAdheer Chandravanshi sess->erl |= BIT_1; 20951e9e2be3SAdheer Chandravanshi if (test_bit(ISCSIOPT_ERL0, &options)) 20961e9e2be3SAdheer Chandravanshi sess->erl |= BIT_0; 20971e9e2be3SAdheer Chandravanshi 20981e9e2be3SAdheer Chandravanshi options = le16_to_cpu(fw_ddb_entry->tcp_options); 20991e9e2be3SAdheer Chandravanshi conn->tcp_timestamp_stat = test_bit(TCPOPT_TIMESTAMP_STAT, &options); 21001e9e2be3SAdheer Chandravanshi conn->tcp_nagle_disable = test_bit(TCPOPT_NAGLE_DISABLE, &options); 21011e9e2be3SAdheer Chandravanshi conn->tcp_wsf_disable = test_bit(TCPOPT_WSF_DISABLE, &options); 21021e9e2be3SAdheer Chandravanshi if (test_bit(TCPOPT_TIMER_SCALE3, &options)) 21031e9e2be3SAdheer Chandravanshi conn->tcp_timer_scale |= BIT_3; 21041e9e2be3SAdheer Chandravanshi if (test_bit(TCPOPT_TIMER_SCALE2, &options)) 21051e9e2be3SAdheer Chandravanshi conn->tcp_timer_scale |= BIT_2; 21061e9e2be3SAdheer Chandravanshi if (test_bit(TCPOPT_TIMER_SCALE1, &options)) 21071e9e2be3SAdheer Chandravanshi conn->tcp_timer_scale |= BIT_1; 21081e9e2be3SAdheer Chandravanshi 21091e9e2be3SAdheer Chandravanshi conn->tcp_timer_scale >>= 1; 21101e9e2be3SAdheer Chandravanshi conn->tcp_timestamp_en = test_bit(TCPOPT_TIMESTAMP_EN, &options); 21111e9e2be3SAdheer Chandravanshi 21121e9e2be3SAdheer Chandravanshi options = le16_to_cpu(fw_ddb_entry->ip_options); 21131e9e2be3SAdheer Chandravanshi conn->fragment_disable = test_bit(IPOPT_FRAGMENT_DISABLE, &options); 21141e9e2be3SAdheer Chandravanshi 21151e9e2be3SAdheer Chandravanshi conn->max_recv_dlength = BYTE_UNITS * 21161e9e2be3SAdheer Chandravanshi le16_to_cpu(fw_ddb_entry->iscsi_max_rcv_data_seg_len); 21171e9e2be3SAdheer Chandravanshi conn->max_xmit_dlength = BYTE_UNITS * 21181e9e2be3SAdheer Chandravanshi le16_to_cpu(fw_ddb_entry->iscsi_max_snd_data_seg_len); 21191e9e2be3SAdheer Chandravanshi sess->first_burst = BYTE_UNITS * 21201e9e2be3SAdheer Chandravanshi le16_to_cpu(fw_ddb_entry->iscsi_first_burst_len); 21211e9e2be3SAdheer Chandravanshi sess->max_burst = BYTE_UNITS * 21221e9e2be3SAdheer Chandravanshi le16_to_cpu(fw_ddb_entry->iscsi_max_burst_len); 21231e9e2be3SAdheer Chandravanshi sess->max_r2t = le16_to_cpu(fw_ddb_entry->iscsi_max_outsnd_r2t); 21241e9e2be3SAdheer Chandravanshi sess->time2wait = le16_to_cpu(fw_ddb_entry->iscsi_def_time2wait); 21251e9e2be3SAdheer Chandravanshi sess->time2retain = le16_to_cpu(fw_ddb_entry->iscsi_def_time2retain); 21261e9e2be3SAdheer Chandravanshi sess->tpgt = le32_to_cpu(fw_ddb_entry->tgt_portal_grp); 21271e9e2be3SAdheer Chandravanshi conn->max_segment_size = le16_to_cpu(fw_ddb_entry->mss); 21281e9e2be3SAdheer Chandravanshi conn->tcp_xmit_wsf = fw_ddb_entry->tcp_xmt_wsf; 21291e9e2be3SAdheer Chandravanshi conn->tcp_recv_wsf = fw_ddb_entry->tcp_rcv_wsf; 21301e9e2be3SAdheer Chandravanshi conn->ipv6_flow_label = le16_to_cpu(fw_ddb_entry->ipv6_flow_lbl); 21311e9e2be3SAdheer Chandravanshi conn->keepalive_timeout = le16_to_cpu(fw_ddb_entry->ka_timeout); 21321e9e2be3SAdheer Chandravanshi conn->local_port = le16_to_cpu(fw_ddb_entry->lcl_port); 21331e9e2be3SAdheer Chandravanshi conn->statsn = le32_to_cpu(fw_ddb_entry->stat_sn); 21341e9e2be3SAdheer Chandravanshi conn->exp_statsn = le32_to_cpu(fw_ddb_entry->exp_stat_sn); 21351e9e2be3SAdheer Chandravanshi sess->discovery_parent_idx = le16_to_cpu(fw_ddb_entry->ddb_link); 21361e9e2be3SAdheer Chandravanshi sess->discovery_parent_type = le16_to_cpu(fw_ddb_entry->ddb_link); 21371e9e2be3SAdheer Chandravanshi sess->chap_out_idx = le16_to_cpu(fw_ddb_entry->chap_tbl_idx); 21381e9e2be3SAdheer Chandravanshi sess->tsid = le16_to_cpu(fw_ddb_entry->tsid); 21391e9e2be3SAdheer Chandravanshi 21401e9e2be3SAdheer Chandravanshi sess->default_taskmgmt_timeout = 21411e9e2be3SAdheer Chandravanshi le16_to_cpu(fw_ddb_entry->def_timeout); 21421e9e2be3SAdheer Chandravanshi conn->port = le16_to_cpu(fw_ddb_entry->port); 21431e9e2be3SAdheer Chandravanshi 21441e9e2be3SAdheer Chandravanshi options = le16_to_cpu(fw_ddb_entry->options); 21451e9e2be3SAdheer Chandravanshi conn->ipaddress = kzalloc(IPv6_ADDR_LEN, GFP_KERNEL); 21461e9e2be3SAdheer Chandravanshi if (!conn->ipaddress) { 21471e9e2be3SAdheer Chandravanshi rc = -ENOMEM; 21481e9e2be3SAdheer Chandravanshi goto exit_copy; 21491e9e2be3SAdheer Chandravanshi } 21501e9e2be3SAdheer Chandravanshi 21511e9e2be3SAdheer Chandravanshi conn->redirect_ipaddr = kzalloc(IPv6_ADDR_LEN, GFP_KERNEL); 21521e9e2be3SAdheer Chandravanshi if (!conn->redirect_ipaddr) { 21531e9e2be3SAdheer Chandravanshi rc = -ENOMEM; 21541e9e2be3SAdheer Chandravanshi goto exit_copy; 21551e9e2be3SAdheer Chandravanshi } 21561e9e2be3SAdheer Chandravanshi 21571e9e2be3SAdheer Chandravanshi memcpy(conn->ipaddress, fw_ddb_entry->ip_addr, IPv6_ADDR_LEN); 21581e9e2be3SAdheer Chandravanshi memcpy(conn->redirect_ipaddr, fw_ddb_entry->tgt_addr, IPv6_ADDR_LEN); 21591e9e2be3SAdheer Chandravanshi 21601e9e2be3SAdheer Chandravanshi if (test_bit(OPT_IPV6_DEVICE, &options)) { 21611e9e2be3SAdheer Chandravanshi conn->ipv6_traffic_class = fw_ddb_entry->ipv4_tos; 21621e9e2be3SAdheer Chandravanshi 21631e9e2be3SAdheer Chandravanshi conn->link_local_ipv6_addr = kzalloc(IPv6_ADDR_LEN, GFP_KERNEL); 21641e9e2be3SAdheer Chandravanshi if (!conn->link_local_ipv6_addr) { 21651e9e2be3SAdheer Chandravanshi rc = -ENOMEM; 21661e9e2be3SAdheer Chandravanshi goto exit_copy; 21671e9e2be3SAdheer Chandravanshi } 21681e9e2be3SAdheer Chandravanshi 21691e9e2be3SAdheer Chandravanshi memcpy(conn->link_local_ipv6_addr, 21701e9e2be3SAdheer Chandravanshi fw_ddb_entry->link_local_ipv6_addr, IPv6_ADDR_LEN); 21711e9e2be3SAdheer Chandravanshi } else { 21721e9e2be3SAdheer Chandravanshi conn->ipv4_tos = fw_ddb_entry->ipv4_tos; 21731e9e2be3SAdheer Chandravanshi } 21741e9e2be3SAdheer Chandravanshi 21751e9e2be3SAdheer Chandravanshi if (fw_ddb_entry->iscsi_name[0]) { 21761e9e2be3SAdheer Chandravanshi rc = iscsi_switch_str_param(&sess->targetname, 21771e9e2be3SAdheer Chandravanshi (char *)fw_ddb_entry->iscsi_name); 21781e9e2be3SAdheer Chandravanshi if (rc) 21791e9e2be3SAdheer Chandravanshi goto exit_copy; 21801e9e2be3SAdheer Chandravanshi } 21811e9e2be3SAdheer Chandravanshi 21821e9e2be3SAdheer Chandravanshi if (fw_ddb_entry->iscsi_alias[0]) { 21831e9e2be3SAdheer Chandravanshi rc = iscsi_switch_str_param(&sess->targetalias, 21841e9e2be3SAdheer Chandravanshi (char *)fw_ddb_entry->iscsi_alias); 21851e9e2be3SAdheer Chandravanshi if (rc) 21861e9e2be3SAdheer Chandravanshi goto exit_copy; 21871e9e2be3SAdheer Chandravanshi } 21881e9e2be3SAdheer Chandravanshi 21891e9e2be3SAdheer Chandravanshi COPY_ISID(sess->isid, fw_ddb_entry->isid); 21901e9e2be3SAdheer Chandravanshi 21911e9e2be3SAdheer Chandravanshi exit_copy: 21921e9e2be3SAdheer Chandravanshi return rc; 21931e9e2be3SAdheer Chandravanshi } 21941e9e2be3SAdheer Chandravanshi 21951e9e2be3SAdheer Chandravanshi static int qla4xxx_copy_to_fwddb_param(struct iscsi_bus_flash_session *sess, 21961e9e2be3SAdheer Chandravanshi struct iscsi_bus_flash_conn *conn, 21971e9e2be3SAdheer Chandravanshi struct dev_db_entry *fw_ddb_entry) 21981e9e2be3SAdheer Chandravanshi { 21991e9e2be3SAdheer Chandravanshi uint16_t options; 22001e9e2be3SAdheer Chandravanshi int rc = 0; 22011e9e2be3SAdheer Chandravanshi 22021e9e2be3SAdheer Chandravanshi options = le16_to_cpu(fw_ddb_entry->options); 22031e9e2be3SAdheer Chandravanshi SET_BITVAL(conn->is_fw_assigned_ipv6, options, BIT_11); 2204c962c18bSAdheer Chandravanshi if (!strncmp(sess->portal_type, PORTAL_TYPE_IPV6, 4)) 22051e9e2be3SAdheer Chandravanshi options |= BIT_8; 22061e9e2be3SAdheer Chandravanshi else 22071e9e2be3SAdheer Chandravanshi options &= ~BIT_8; 22081e9e2be3SAdheer Chandravanshi 22091e9e2be3SAdheer Chandravanshi SET_BITVAL(sess->auto_snd_tgt_disable, options, BIT_6); 22101e9e2be3SAdheer Chandravanshi SET_BITVAL(sess->discovery_sess, options, BIT_4); 22111e9e2be3SAdheer Chandravanshi SET_BITVAL(sess->entry_state, options, BIT_3); 22121e9e2be3SAdheer Chandravanshi fw_ddb_entry->options = cpu_to_le16(options); 22131e9e2be3SAdheer Chandravanshi 22141e9e2be3SAdheer Chandravanshi options = le16_to_cpu(fw_ddb_entry->iscsi_options); 22151e9e2be3SAdheer Chandravanshi SET_BITVAL(conn->hdrdgst_en, options, BIT_13); 22161e9e2be3SAdheer Chandravanshi SET_BITVAL(conn->datadgst_en, options, BIT_12); 22171e9e2be3SAdheer Chandravanshi SET_BITVAL(sess->imm_data_en, options, BIT_11); 22181e9e2be3SAdheer Chandravanshi SET_BITVAL(sess->initial_r2t_en, options, BIT_10); 22191e9e2be3SAdheer Chandravanshi SET_BITVAL(sess->dataseq_inorder_en, options, BIT_9); 22201e9e2be3SAdheer Chandravanshi SET_BITVAL(sess->pdu_inorder_en, options, BIT_8); 22211e9e2be3SAdheer Chandravanshi SET_BITVAL(sess->chap_auth_en, options, BIT_7); 22221e9e2be3SAdheer Chandravanshi SET_BITVAL(conn->snack_req_en, options, BIT_6); 22231e9e2be3SAdheer Chandravanshi SET_BITVAL(sess->discovery_logout_en, options, BIT_5); 22241e9e2be3SAdheer Chandravanshi SET_BITVAL(sess->bidi_chap_en, options, BIT_4); 22251e9e2be3SAdheer Chandravanshi SET_BITVAL(sess->discovery_auth_optional, options, BIT_3); 22261e9e2be3SAdheer Chandravanshi SET_BITVAL(sess->erl & BIT_1, options, BIT_1); 22271e9e2be3SAdheer Chandravanshi SET_BITVAL(sess->erl & BIT_0, options, BIT_0); 22281e9e2be3SAdheer Chandravanshi fw_ddb_entry->iscsi_options = cpu_to_le16(options); 22291e9e2be3SAdheer Chandravanshi 22301e9e2be3SAdheer Chandravanshi options = le16_to_cpu(fw_ddb_entry->tcp_options); 22311e9e2be3SAdheer Chandravanshi SET_BITVAL(conn->tcp_timestamp_stat, options, BIT_6); 22321e9e2be3SAdheer Chandravanshi SET_BITVAL(conn->tcp_nagle_disable, options, BIT_5); 22331e9e2be3SAdheer Chandravanshi SET_BITVAL(conn->tcp_wsf_disable, options, BIT_4); 22341e9e2be3SAdheer Chandravanshi SET_BITVAL(conn->tcp_timer_scale & BIT_2, options, BIT_3); 22351e9e2be3SAdheer Chandravanshi SET_BITVAL(conn->tcp_timer_scale & BIT_1, options, BIT_2); 22361e9e2be3SAdheer Chandravanshi SET_BITVAL(conn->tcp_timer_scale & BIT_0, options, BIT_1); 22371e9e2be3SAdheer Chandravanshi SET_BITVAL(conn->tcp_timestamp_en, options, BIT_0); 22381e9e2be3SAdheer Chandravanshi fw_ddb_entry->tcp_options = cpu_to_le16(options); 22391e9e2be3SAdheer Chandravanshi 22401e9e2be3SAdheer Chandravanshi options = le16_to_cpu(fw_ddb_entry->ip_options); 22411e9e2be3SAdheer Chandravanshi SET_BITVAL(conn->fragment_disable, options, BIT_4); 22421e9e2be3SAdheer Chandravanshi fw_ddb_entry->ip_options = cpu_to_le16(options); 22431e9e2be3SAdheer Chandravanshi 22441e9e2be3SAdheer Chandravanshi fw_ddb_entry->iscsi_max_outsnd_r2t = cpu_to_le16(sess->max_r2t); 22451e9e2be3SAdheer Chandravanshi fw_ddb_entry->iscsi_max_rcv_data_seg_len = 22461e9e2be3SAdheer Chandravanshi cpu_to_le16(conn->max_recv_dlength / BYTE_UNITS); 22471e9e2be3SAdheer Chandravanshi fw_ddb_entry->iscsi_max_snd_data_seg_len = 22481e9e2be3SAdheer Chandravanshi cpu_to_le16(conn->max_xmit_dlength / BYTE_UNITS); 22491e9e2be3SAdheer Chandravanshi fw_ddb_entry->iscsi_first_burst_len = 22501e9e2be3SAdheer Chandravanshi cpu_to_le16(sess->first_burst / BYTE_UNITS); 22511e9e2be3SAdheer Chandravanshi fw_ddb_entry->iscsi_max_burst_len = cpu_to_le16(sess->max_burst / 22521e9e2be3SAdheer Chandravanshi BYTE_UNITS); 22531e9e2be3SAdheer Chandravanshi fw_ddb_entry->iscsi_def_time2wait = cpu_to_le16(sess->time2wait); 22541e9e2be3SAdheer Chandravanshi fw_ddb_entry->iscsi_def_time2retain = cpu_to_le16(sess->time2retain); 22551e9e2be3SAdheer Chandravanshi fw_ddb_entry->tgt_portal_grp = cpu_to_le16(sess->tpgt); 22561e9e2be3SAdheer Chandravanshi fw_ddb_entry->mss = cpu_to_le16(conn->max_segment_size); 2257fbcd4836SAdheer Chandravanshi fw_ddb_entry->tcp_xmt_wsf = (uint8_t) cpu_to_le32(conn->tcp_xmit_wsf); 2258fbcd4836SAdheer Chandravanshi fw_ddb_entry->tcp_rcv_wsf = (uint8_t) cpu_to_le32(conn->tcp_recv_wsf); 22591e9e2be3SAdheer Chandravanshi fw_ddb_entry->ipv6_flow_lbl = cpu_to_le16(conn->ipv6_flow_label); 22601e9e2be3SAdheer Chandravanshi fw_ddb_entry->ka_timeout = cpu_to_le16(conn->keepalive_timeout); 22611e9e2be3SAdheer Chandravanshi fw_ddb_entry->lcl_port = cpu_to_le16(conn->local_port); 2262fbcd4836SAdheer Chandravanshi fw_ddb_entry->stat_sn = cpu_to_le32(conn->statsn); 2263fbcd4836SAdheer Chandravanshi fw_ddb_entry->exp_stat_sn = cpu_to_le32(conn->exp_statsn); 226465560166SAdheer Chandravanshi fw_ddb_entry->ddb_link = cpu_to_le16(sess->discovery_parent_idx); 22651e9e2be3SAdheer Chandravanshi fw_ddb_entry->chap_tbl_idx = cpu_to_le16(sess->chap_out_idx); 22661e9e2be3SAdheer Chandravanshi fw_ddb_entry->tsid = cpu_to_le16(sess->tsid); 22671e9e2be3SAdheer Chandravanshi fw_ddb_entry->port = cpu_to_le16(conn->port); 22681e9e2be3SAdheer Chandravanshi fw_ddb_entry->def_timeout = 22691e9e2be3SAdheer Chandravanshi cpu_to_le16(sess->default_taskmgmt_timeout); 22701e9e2be3SAdheer Chandravanshi 227184595802SAdheer Chandravanshi if (!strncmp(sess->portal_type, PORTAL_TYPE_IPV6, 4)) 227284595802SAdheer Chandravanshi fw_ddb_entry->ipv4_tos = conn->ipv6_traffic_class; 227384595802SAdheer Chandravanshi else 227484595802SAdheer Chandravanshi fw_ddb_entry->ipv4_tos = conn->ipv4_tos; 227584595802SAdheer Chandravanshi 22761e9e2be3SAdheer Chandravanshi if (conn->ipaddress) 22771e9e2be3SAdheer Chandravanshi memcpy(fw_ddb_entry->ip_addr, conn->ipaddress, 22781e9e2be3SAdheer Chandravanshi sizeof(fw_ddb_entry->ip_addr)); 22791e9e2be3SAdheer Chandravanshi 22801e9e2be3SAdheer Chandravanshi if (conn->redirect_ipaddr) 22811e9e2be3SAdheer Chandravanshi memcpy(fw_ddb_entry->tgt_addr, conn->redirect_ipaddr, 22821e9e2be3SAdheer Chandravanshi sizeof(fw_ddb_entry->tgt_addr)); 22831e9e2be3SAdheer Chandravanshi 22841e9e2be3SAdheer Chandravanshi if (conn->link_local_ipv6_addr) 22851e9e2be3SAdheer Chandravanshi memcpy(fw_ddb_entry->link_local_ipv6_addr, 22861e9e2be3SAdheer Chandravanshi conn->link_local_ipv6_addr, 22871e9e2be3SAdheer Chandravanshi sizeof(fw_ddb_entry->link_local_ipv6_addr)); 22881e9e2be3SAdheer Chandravanshi 22891e9e2be3SAdheer Chandravanshi if (sess->targetname) 22901e9e2be3SAdheer Chandravanshi memcpy(fw_ddb_entry->iscsi_name, sess->targetname, 22911e9e2be3SAdheer Chandravanshi sizeof(fw_ddb_entry->iscsi_name)); 22921e9e2be3SAdheer Chandravanshi 22931e9e2be3SAdheer Chandravanshi if (sess->targetalias) 22941e9e2be3SAdheer Chandravanshi memcpy(fw_ddb_entry->iscsi_alias, sess->targetalias, 22951e9e2be3SAdheer Chandravanshi sizeof(fw_ddb_entry->iscsi_alias)); 22961e9e2be3SAdheer Chandravanshi 22971e9e2be3SAdheer Chandravanshi COPY_ISID(fw_ddb_entry->isid, sess->isid); 22981e9e2be3SAdheer Chandravanshi 22991e9e2be3SAdheer Chandravanshi return rc; 23001e9e2be3SAdheer Chandravanshi } 23011e9e2be3SAdheer Chandravanshi 23028cc91d42SAdheer Chandravanshi static void qla4xxx_copy_to_sess_conn_params(struct iscsi_conn *conn, 23038cc91d42SAdheer Chandravanshi struct iscsi_session *sess, 23048cc91d42SAdheer Chandravanshi struct dev_db_entry *fw_ddb_entry) 23058cc91d42SAdheer Chandravanshi { 23068cc91d42SAdheer Chandravanshi unsigned long options = 0; 23078cc91d42SAdheer Chandravanshi uint16_t ddb_link; 23088cc91d42SAdheer Chandravanshi uint16_t disc_parent; 23098cc91d42SAdheer Chandravanshi 23108cc91d42SAdheer Chandravanshi options = le16_to_cpu(fw_ddb_entry->options); 23118cc91d42SAdheer Chandravanshi conn->is_fw_assigned_ipv6 = test_bit(OPT_IS_FW_ASSIGNED_IPV6, &options); 23128cc91d42SAdheer Chandravanshi sess->auto_snd_tgt_disable = test_bit(OPT_AUTO_SENDTGTS_DISABLE, 23138cc91d42SAdheer Chandravanshi &options); 23148cc91d42SAdheer Chandravanshi sess->discovery_sess = test_bit(OPT_DISC_SESSION, &options); 23158cc91d42SAdheer Chandravanshi 23168cc91d42SAdheer Chandravanshi options = le16_to_cpu(fw_ddb_entry->iscsi_options); 23178cc91d42SAdheer Chandravanshi conn->hdrdgst_en = test_bit(ISCSIOPT_HEADER_DIGEST_EN, &options); 23188cc91d42SAdheer Chandravanshi conn->datadgst_en = test_bit(ISCSIOPT_DATA_DIGEST_EN, &options); 23198cc91d42SAdheer Chandravanshi sess->imm_data_en = test_bit(ISCSIOPT_IMMEDIATE_DATA_EN, &options); 23208cc91d42SAdheer Chandravanshi sess->initial_r2t_en = test_bit(ISCSIOPT_INITIAL_R2T_EN, &options); 23218cc91d42SAdheer Chandravanshi sess->dataseq_inorder_en = test_bit(ISCSIOPT_DATA_SEQ_IN_ORDER, 23228cc91d42SAdheer Chandravanshi &options); 23238cc91d42SAdheer Chandravanshi sess->pdu_inorder_en = test_bit(ISCSIOPT_DATA_PDU_IN_ORDER, &options); 23248cc91d42SAdheer Chandravanshi sess->chap_auth_en = test_bit(ISCSIOPT_CHAP_AUTH_EN, &options); 23258cc91d42SAdheer Chandravanshi sess->discovery_logout_en = test_bit(ISCSIOPT_DISCOVERY_LOGOUT_EN, 23268cc91d42SAdheer Chandravanshi &options); 23278cc91d42SAdheer Chandravanshi sess->bidi_chap_en = test_bit(ISCSIOPT_BIDI_CHAP_EN, &options); 23288cc91d42SAdheer Chandravanshi sess->discovery_auth_optional = 23298cc91d42SAdheer Chandravanshi test_bit(ISCSIOPT_DISCOVERY_AUTH_OPTIONAL, &options); 23308cc91d42SAdheer Chandravanshi if (test_bit(ISCSIOPT_ERL1, &options)) 23318cc91d42SAdheer Chandravanshi sess->erl |= BIT_1; 23328cc91d42SAdheer Chandravanshi if (test_bit(ISCSIOPT_ERL0, &options)) 23338cc91d42SAdheer Chandravanshi sess->erl |= BIT_0; 23348cc91d42SAdheer Chandravanshi 23358cc91d42SAdheer Chandravanshi options = le16_to_cpu(fw_ddb_entry->tcp_options); 23368cc91d42SAdheer Chandravanshi conn->tcp_timestamp_stat = test_bit(TCPOPT_TIMESTAMP_STAT, &options); 23378cc91d42SAdheer Chandravanshi conn->tcp_nagle_disable = test_bit(TCPOPT_NAGLE_DISABLE, &options); 23388cc91d42SAdheer Chandravanshi conn->tcp_wsf_disable = test_bit(TCPOPT_WSF_DISABLE, &options); 23398cc91d42SAdheer Chandravanshi if (test_bit(TCPOPT_TIMER_SCALE3, &options)) 23408cc91d42SAdheer Chandravanshi conn->tcp_timer_scale |= BIT_3; 23418cc91d42SAdheer Chandravanshi if (test_bit(TCPOPT_TIMER_SCALE2, &options)) 23428cc91d42SAdheer Chandravanshi conn->tcp_timer_scale |= BIT_2; 23438cc91d42SAdheer Chandravanshi if (test_bit(TCPOPT_TIMER_SCALE1, &options)) 23448cc91d42SAdheer Chandravanshi conn->tcp_timer_scale |= BIT_1; 23458cc91d42SAdheer Chandravanshi 23468cc91d42SAdheer Chandravanshi conn->tcp_timer_scale >>= 1; 23478cc91d42SAdheer Chandravanshi conn->tcp_timestamp_en = test_bit(TCPOPT_TIMESTAMP_EN, &options); 23488cc91d42SAdheer Chandravanshi 23498cc91d42SAdheer Chandravanshi options = le16_to_cpu(fw_ddb_entry->ip_options); 23508cc91d42SAdheer Chandravanshi conn->fragment_disable = test_bit(IPOPT_FRAGMENT_DISABLE, &options); 23518cc91d42SAdheer Chandravanshi 23528cc91d42SAdheer Chandravanshi conn->max_recv_dlength = BYTE_UNITS * 23538cc91d42SAdheer Chandravanshi le16_to_cpu(fw_ddb_entry->iscsi_max_rcv_data_seg_len); 23548cc91d42SAdheer Chandravanshi conn->max_xmit_dlength = BYTE_UNITS * 23558cc91d42SAdheer Chandravanshi le16_to_cpu(fw_ddb_entry->iscsi_max_snd_data_seg_len); 23568cc91d42SAdheer Chandravanshi sess->max_r2t = le16_to_cpu(fw_ddb_entry->iscsi_max_outsnd_r2t); 23578cc91d42SAdheer Chandravanshi sess->first_burst = BYTE_UNITS * 23588cc91d42SAdheer Chandravanshi le16_to_cpu(fw_ddb_entry->iscsi_first_burst_len); 23598cc91d42SAdheer Chandravanshi sess->max_burst = BYTE_UNITS * 23608cc91d42SAdheer Chandravanshi le16_to_cpu(fw_ddb_entry->iscsi_max_burst_len); 23618cc91d42SAdheer Chandravanshi sess->time2wait = le16_to_cpu(fw_ddb_entry->iscsi_def_time2wait); 23628cc91d42SAdheer Chandravanshi sess->time2retain = le16_to_cpu(fw_ddb_entry->iscsi_def_time2retain); 23638cc91d42SAdheer Chandravanshi sess->tpgt = le32_to_cpu(fw_ddb_entry->tgt_portal_grp); 23648cc91d42SAdheer Chandravanshi conn->max_segment_size = le16_to_cpu(fw_ddb_entry->mss); 23658cc91d42SAdheer Chandravanshi conn->tcp_xmit_wsf = fw_ddb_entry->tcp_xmt_wsf; 23668cc91d42SAdheer Chandravanshi conn->tcp_recv_wsf = fw_ddb_entry->tcp_rcv_wsf; 23678cc91d42SAdheer Chandravanshi conn->ipv4_tos = fw_ddb_entry->ipv4_tos; 23688cc91d42SAdheer Chandravanshi conn->keepalive_tmo = le16_to_cpu(fw_ddb_entry->ka_timeout); 23698cc91d42SAdheer Chandravanshi conn->local_port = le16_to_cpu(fw_ddb_entry->lcl_port); 23708cc91d42SAdheer Chandravanshi conn->statsn = le32_to_cpu(fw_ddb_entry->stat_sn); 23718cc91d42SAdheer Chandravanshi conn->exp_statsn = le32_to_cpu(fw_ddb_entry->exp_stat_sn); 23728cc91d42SAdheer Chandravanshi sess->tsid = le16_to_cpu(fw_ddb_entry->tsid); 23738cc91d42SAdheer Chandravanshi COPY_ISID(sess->isid, fw_ddb_entry->isid); 23748cc91d42SAdheer Chandravanshi 23758cc91d42SAdheer Chandravanshi ddb_link = le16_to_cpu(fw_ddb_entry->ddb_link); 23768cc91d42SAdheer Chandravanshi if (ddb_link == DDB_ISNS) 23778cc91d42SAdheer Chandravanshi disc_parent = ISCSI_DISC_PARENT_ISNS; 23788cc91d42SAdheer Chandravanshi else if (ddb_link == DDB_NO_LINK) 23798cc91d42SAdheer Chandravanshi disc_parent = ISCSI_DISC_PARENT_UNKNOWN; 23808cc91d42SAdheer Chandravanshi else if (ddb_link < MAX_DDB_ENTRIES) 23818cc91d42SAdheer Chandravanshi disc_parent = ISCSI_DISC_PARENT_SENDTGT; 23828cc91d42SAdheer Chandravanshi else 23838cc91d42SAdheer Chandravanshi disc_parent = ISCSI_DISC_PARENT_UNKNOWN; 23848cc91d42SAdheer Chandravanshi 23858cc91d42SAdheer Chandravanshi iscsi_set_param(conn->cls_conn, ISCSI_PARAM_DISCOVERY_PARENT_TYPE, 23868cc91d42SAdheer Chandravanshi iscsi_get_discovery_parent_name(disc_parent), 0); 23878cc91d42SAdheer Chandravanshi 23888cc91d42SAdheer Chandravanshi iscsi_set_param(conn->cls_conn, ISCSI_PARAM_TARGET_ALIAS, 23898cc91d42SAdheer Chandravanshi (char *)fw_ddb_entry->iscsi_alias, 0); 23908cc91d42SAdheer Chandravanshi } 23918cc91d42SAdheer Chandravanshi 239213483730SMike Christie static void qla4xxx_copy_fwddb_param(struct scsi_qla_host *ha, 239313483730SMike Christie struct dev_db_entry *fw_ddb_entry, 239413483730SMike Christie struct iscsi_cls_session *cls_sess, 239513483730SMike Christie struct iscsi_cls_conn *cls_conn) 239613483730SMike Christie { 239713483730SMike Christie int buflen = 0; 239813483730SMike Christie struct iscsi_session *sess; 2399376738afSNilesh Javali struct ddb_entry *ddb_entry; 240013483730SMike Christie struct iscsi_conn *conn; 240113483730SMike Christie char ip_addr[DDB_IPADDR_LEN]; 240213483730SMike Christie uint16_t options = 0; 240313483730SMike Christie 240413483730SMike Christie sess = cls_sess->dd_data; 2405376738afSNilesh Javali ddb_entry = sess->dd_data; 240613483730SMike Christie conn = cls_conn->dd_data; 240713483730SMike Christie 2408376738afSNilesh Javali ddb_entry->chap_tbl_idx = le16_to_cpu(fw_ddb_entry->chap_tbl_idx); 2409376738afSNilesh Javali 24108cc91d42SAdheer Chandravanshi qla4xxx_copy_to_sess_conn_params(conn, sess, fw_ddb_entry); 241113483730SMike Christie 24128cc91d42SAdheer Chandravanshi sess->def_taskmgmt_tmo = le16_to_cpu(fw_ddb_entry->def_timeout); 241313483730SMike Christie conn->persistent_port = le16_to_cpu(fw_ddb_entry->port); 241413483730SMike Christie 24158cc91d42SAdheer Chandravanshi memset(ip_addr, 0, sizeof(ip_addr)); 241613483730SMike Christie options = le16_to_cpu(fw_ddb_entry->options); 24178cc91d42SAdheer Chandravanshi if (options & DDB_OPT_IPV6_DEVICE) { 24188cc91d42SAdheer Chandravanshi iscsi_set_param(cls_conn, ISCSI_PARAM_PORTAL_TYPE, "ipv6", 4); 241913483730SMike Christie 24208cc91d42SAdheer Chandravanshi memset(ip_addr, 0, sizeof(ip_addr)); 24218cc91d42SAdheer Chandravanshi sprintf(ip_addr, "%pI6", fw_ddb_entry->ip_addr); 24228cc91d42SAdheer Chandravanshi } else { 24238cc91d42SAdheer Chandravanshi iscsi_set_param(cls_conn, ISCSI_PARAM_PORTAL_TYPE, "ipv4", 4); 24248cc91d42SAdheer Chandravanshi sprintf(ip_addr, "%pI4", fw_ddb_entry->ip_addr); 24258cc91d42SAdheer Chandravanshi } 24268cc91d42SAdheer Chandravanshi 24278cc91d42SAdheer Chandravanshi iscsi_set_param(cls_conn, ISCSI_PARAM_PERSISTENT_ADDRESS, 24288cc91d42SAdheer Chandravanshi (char *)ip_addr, buflen); 242913483730SMike Christie iscsi_set_param(cls_conn, ISCSI_PARAM_TARGET_NAME, 243013483730SMike Christie (char *)fw_ddb_entry->iscsi_name, buflen); 243113483730SMike Christie iscsi_set_param(cls_conn, ISCSI_PARAM_INITIATOR_NAME, 243213483730SMike Christie (char *)ha->name_string, buflen); 243313483730SMike Christie } 243413483730SMike Christie 243513483730SMike Christie void qla4xxx_update_session_conn_fwddb_param(struct scsi_qla_host *ha, 243613483730SMike Christie struct ddb_entry *ddb_entry) 243713483730SMike Christie { 243813483730SMike Christie struct iscsi_cls_session *cls_sess; 243913483730SMike Christie struct iscsi_cls_conn *cls_conn; 244013483730SMike Christie uint32_t ddb_state; 244113483730SMike Christie dma_addr_t fw_ddb_entry_dma; 244213483730SMike Christie struct dev_db_entry *fw_ddb_entry; 244313483730SMike Christie 244413483730SMike Christie fw_ddb_entry = dma_alloc_coherent(&ha->pdev->dev, sizeof(*fw_ddb_entry), 244513483730SMike Christie &fw_ddb_entry_dma, GFP_KERNEL); 244613483730SMike Christie if (!fw_ddb_entry) { 244713483730SMike Christie ql4_printk(KERN_ERR, ha, 244813483730SMike Christie "%s: Unable to allocate dma buffer\n", __func__); 244913483730SMike Christie goto exit_session_conn_fwddb_param; 245013483730SMike Christie } 245113483730SMike Christie 245213483730SMike Christie if (qla4xxx_get_fwddb_entry(ha, ddb_entry->fw_ddb_index, fw_ddb_entry, 245313483730SMike Christie fw_ddb_entry_dma, NULL, NULL, &ddb_state, 245413483730SMike Christie NULL, NULL, NULL) == QLA_ERROR) { 245513483730SMike Christie DEBUG2(ql4_printk(KERN_ERR, ha, "scsi%ld: %s: failed " 245613483730SMike Christie "get_ddb_entry for fw_ddb_index %d\n", 245713483730SMike Christie ha->host_no, __func__, 245813483730SMike Christie ddb_entry->fw_ddb_index)); 245913483730SMike Christie goto exit_session_conn_fwddb_param; 246013483730SMike Christie } 246113483730SMike Christie 246213483730SMike Christie cls_sess = ddb_entry->sess; 246313483730SMike Christie 246413483730SMike Christie cls_conn = ddb_entry->conn; 246513483730SMike Christie 246613483730SMike Christie /* Update params */ 246713483730SMike Christie qla4xxx_copy_fwddb_param(ha, fw_ddb_entry, cls_sess, cls_conn); 246813483730SMike Christie 246913483730SMike Christie exit_session_conn_fwddb_param: 247013483730SMike Christie if (fw_ddb_entry) 247113483730SMike Christie dma_free_coherent(&ha->pdev->dev, sizeof(*fw_ddb_entry), 247213483730SMike Christie fw_ddb_entry, fw_ddb_entry_dma); 247313483730SMike Christie } 247413483730SMike Christie 2475b3a271a9SManish Rangankar void qla4xxx_update_session_conn_param(struct scsi_qla_host *ha, 2476b3a271a9SManish Rangankar struct ddb_entry *ddb_entry) 2477b3a271a9SManish Rangankar { 2478b3a271a9SManish Rangankar struct iscsi_cls_session *cls_sess; 2479b3a271a9SManish Rangankar struct iscsi_cls_conn *cls_conn; 2480b3a271a9SManish Rangankar struct iscsi_session *sess; 2481b3a271a9SManish Rangankar struct iscsi_conn *conn; 2482b3a271a9SManish Rangankar uint32_t ddb_state; 2483b3a271a9SManish Rangankar dma_addr_t fw_ddb_entry_dma; 2484b3a271a9SManish Rangankar struct dev_db_entry *fw_ddb_entry; 2485b3a271a9SManish Rangankar 2486b3a271a9SManish Rangankar fw_ddb_entry = dma_alloc_coherent(&ha->pdev->dev, sizeof(*fw_ddb_entry), 2487b3a271a9SManish Rangankar &fw_ddb_entry_dma, GFP_KERNEL); 2488b3a271a9SManish Rangankar if (!fw_ddb_entry) { 2489b3a271a9SManish Rangankar ql4_printk(KERN_ERR, ha, 2490b3a271a9SManish Rangankar "%s: Unable to allocate dma buffer\n", __func__); 249113483730SMike Christie goto exit_session_conn_param; 2492b3a271a9SManish Rangankar } 2493b3a271a9SManish Rangankar 2494b3a271a9SManish Rangankar if (qla4xxx_get_fwddb_entry(ha, ddb_entry->fw_ddb_index, fw_ddb_entry, 2495b3a271a9SManish Rangankar fw_ddb_entry_dma, NULL, NULL, &ddb_state, 2496b3a271a9SManish Rangankar NULL, NULL, NULL) == QLA_ERROR) { 2497b3a271a9SManish Rangankar DEBUG2(ql4_printk(KERN_ERR, ha, "scsi%ld: %s: failed " 2498b3a271a9SManish Rangankar "get_ddb_entry for fw_ddb_index %d\n", 2499b3a271a9SManish Rangankar ha->host_no, __func__, 2500b3a271a9SManish Rangankar ddb_entry->fw_ddb_index)); 250113483730SMike Christie goto exit_session_conn_param; 2502b3a271a9SManish Rangankar } 2503b3a271a9SManish Rangankar 2504b3a271a9SManish Rangankar cls_sess = ddb_entry->sess; 2505b3a271a9SManish Rangankar sess = cls_sess->dd_data; 2506b3a271a9SManish Rangankar 2507b3a271a9SManish Rangankar cls_conn = ddb_entry->conn; 2508b3a271a9SManish Rangankar conn = cls_conn->dd_data; 2509b3a271a9SManish Rangankar 251013483730SMike Christie /* Update timers after login */ 251113483730SMike Christie ddb_entry->default_relogin_timeout = 2512c28eaacaSNilesh Javali (le16_to_cpu(fw_ddb_entry->def_timeout) > LOGIN_TOV) && 2513c28eaacaSNilesh Javali (le16_to_cpu(fw_ddb_entry->def_timeout) < LOGIN_TOV * 10) ? 2514c28eaacaSNilesh Javali le16_to_cpu(fw_ddb_entry->def_timeout) : LOGIN_TOV; 251513483730SMike Christie ddb_entry->default_time2wait = 251613483730SMike Christie le16_to_cpu(fw_ddb_entry->iscsi_def_time2wait); 251713483730SMike Christie 2518b3a271a9SManish Rangankar /* Update params */ 2519376738afSNilesh Javali ddb_entry->chap_tbl_idx = le16_to_cpu(fw_ddb_entry->chap_tbl_idx); 25208cc91d42SAdheer Chandravanshi qla4xxx_copy_to_sess_conn_params(conn, sess, fw_ddb_entry); 2521b3a271a9SManish Rangankar 2522b3a271a9SManish Rangankar memcpy(sess->initiatorname, ha->name_string, 2523b3a271a9SManish Rangankar min(sizeof(ha->name_string), sizeof(sess->initiatorname))); 252413483730SMike Christie 252513483730SMike Christie exit_session_conn_param: 252613483730SMike Christie if (fw_ddb_entry) 252713483730SMike Christie dma_free_coherent(&ha->pdev->dev, sizeof(*fw_ddb_entry), 252813483730SMike Christie fw_ddb_entry, fw_ddb_entry_dma); 2529b3a271a9SManish Rangankar } 2530b3a271a9SManish Rangankar 2531afaf5a2dSDavid Somayajulu /* 2532afaf5a2dSDavid Somayajulu * Timer routines 2533afaf5a2dSDavid Somayajulu */ 2534afaf5a2dSDavid Somayajulu 2535afaf5a2dSDavid Somayajulu static void qla4xxx_start_timer(struct scsi_qla_host *ha, void *func, 2536afaf5a2dSDavid Somayajulu unsigned long interval) 2537afaf5a2dSDavid Somayajulu { 2538afaf5a2dSDavid Somayajulu DEBUG(printk("scsi: %s: Starting timer thread for adapter %d\n", 2539afaf5a2dSDavid Somayajulu __func__, ha->host->host_no)); 2540afaf5a2dSDavid Somayajulu init_timer(&ha->timer); 2541afaf5a2dSDavid Somayajulu ha->timer.expires = jiffies + interval * HZ; 2542afaf5a2dSDavid Somayajulu ha->timer.data = (unsigned long)ha; 2543afaf5a2dSDavid Somayajulu ha->timer.function = (void (*)(unsigned long))func; 2544afaf5a2dSDavid Somayajulu add_timer(&ha->timer); 2545afaf5a2dSDavid Somayajulu ha->timer_active = 1; 2546afaf5a2dSDavid Somayajulu } 2547afaf5a2dSDavid Somayajulu 2548afaf5a2dSDavid Somayajulu static void qla4xxx_stop_timer(struct scsi_qla_host *ha) 2549afaf5a2dSDavid Somayajulu { 2550afaf5a2dSDavid Somayajulu del_timer_sync(&ha->timer); 2551afaf5a2dSDavid Somayajulu ha->timer_active = 0; 2552afaf5a2dSDavid Somayajulu } 2553afaf5a2dSDavid Somayajulu 2554afaf5a2dSDavid Somayajulu /*** 2555b3a271a9SManish Rangankar * qla4xxx_mark_device_missing - blocks the session 2556b3a271a9SManish Rangankar * @cls_session: Pointer to the session to be blocked 2557afaf5a2dSDavid Somayajulu * @ddb_entry: Pointer to device database entry 2558afaf5a2dSDavid Somayajulu * 2559f4f5df23SVikas Chaudhary * This routine marks a device missing and close connection. 2560afaf5a2dSDavid Somayajulu **/ 2561b3a271a9SManish Rangankar void qla4xxx_mark_device_missing(struct iscsi_cls_session *cls_session) 2562afaf5a2dSDavid Somayajulu { 2563b3a271a9SManish Rangankar iscsi_block_session(cls_session); 2564afaf5a2dSDavid Somayajulu } 2565afaf5a2dSDavid Somayajulu 2566f4f5df23SVikas Chaudhary /** 2567f4f5df23SVikas Chaudhary * qla4xxx_mark_all_devices_missing - mark all devices as missing. 2568f4f5df23SVikas Chaudhary * @ha: Pointer to host adapter structure. 2569f4f5df23SVikas Chaudhary * 2570f4f5df23SVikas Chaudhary * This routine marks a device missing and resets the relogin retry count. 2571f4f5df23SVikas Chaudhary **/ 2572f4f5df23SVikas Chaudhary void qla4xxx_mark_all_devices_missing(struct scsi_qla_host *ha) 2573f4f5df23SVikas Chaudhary { 2574b3a271a9SManish Rangankar iscsi_host_for_each_session(ha->host, qla4xxx_mark_device_missing); 2575f4f5df23SVikas Chaudhary } 2576f4f5df23SVikas Chaudhary 2577afaf5a2dSDavid Somayajulu static struct srb* qla4xxx_get_new_srb(struct scsi_qla_host *ha, 2578afaf5a2dSDavid Somayajulu struct ddb_entry *ddb_entry, 25798f0722caSVikas Chaudhary struct scsi_cmnd *cmd) 2580afaf5a2dSDavid Somayajulu { 2581afaf5a2dSDavid Somayajulu struct srb *srb; 2582afaf5a2dSDavid Somayajulu 2583afaf5a2dSDavid Somayajulu srb = mempool_alloc(ha->srb_mempool, GFP_ATOMIC); 2584afaf5a2dSDavid Somayajulu if (!srb) 2585afaf5a2dSDavid Somayajulu return srb; 2586afaf5a2dSDavid Somayajulu 258709a0f719SVikas Chaudhary kref_init(&srb->srb_ref); 2588afaf5a2dSDavid Somayajulu srb->ha = ha; 2589afaf5a2dSDavid Somayajulu srb->ddb = ddb_entry; 2590afaf5a2dSDavid Somayajulu srb->cmd = cmd; 2591afaf5a2dSDavid Somayajulu srb->flags = 0; 25925369887aSVikas Chaudhary CMD_SP(cmd) = (void *)srb; 2593afaf5a2dSDavid Somayajulu 2594afaf5a2dSDavid Somayajulu return srb; 2595afaf5a2dSDavid Somayajulu } 2596afaf5a2dSDavid Somayajulu 2597afaf5a2dSDavid Somayajulu static void qla4xxx_srb_free_dma(struct scsi_qla_host *ha, struct srb *srb) 2598afaf5a2dSDavid Somayajulu { 2599afaf5a2dSDavid Somayajulu struct scsi_cmnd *cmd = srb->cmd; 2600afaf5a2dSDavid Somayajulu 2601afaf5a2dSDavid Somayajulu if (srb->flags & SRB_DMA_VALID) { 26025f7186c8SFUJITA Tomonori scsi_dma_unmap(cmd); 2603afaf5a2dSDavid Somayajulu srb->flags &= ~SRB_DMA_VALID; 2604afaf5a2dSDavid Somayajulu } 26055369887aSVikas Chaudhary CMD_SP(cmd) = NULL; 2606afaf5a2dSDavid Somayajulu } 2607afaf5a2dSDavid Somayajulu 260809a0f719SVikas Chaudhary void qla4xxx_srb_compl(struct kref *ref) 2609afaf5a2dSDavid Somayajulu { 261009a0f719SVikas Chaudhary struct srb *srb = container_of(ref, struct srb, srb_ref); 2611afaf5a2dSDavid Somayajulu struct scsi_cmnd *cmd = srb->cmd; 261209a0f719SVikas Chaudhary struct scsi_qla_host *ha = srb->ha; 2613afaf5a2dSDavid Somayajulu 2614afaf5a2dSDavid Somayajulu qla4xxx_srb_free_dma(ha, srb); 2615afaf5a2dSDavid Somayajulu 2616afaf5a2dSDavid Somayajulu mempool_free(srb, ha->srb_mempool); 2617afaf5a2dSDavid Somayajulu 2618afaf5a2dSDavid Somayajulu cmd->scsi_done(cmd); 2619afaf5a2dSDavid Somayajulu } 2620afaf5a2dSDavid Somayajulu 2621afaf5a2dSDavid Somayajulu /** 2622afaf5a2dSDavid Somayajulu * qla4xxx_queuecommand - scsi layer issues scsi command to driver. 26238f0722caSVikas Chaudhary * @host: scsi host 2624afaf5a2dSDavid Somayajulu * @cmd: Pointer to Linux's SCSI command structure 2625afaf5a2dSDavid Somayajulu * 2626afaf5a2dSDavid Somayajulu * Remarks: 2627afaf5a2dSDavid Somayajulu * This routine is invoked by Linux to send a SCSI command to the driver. 2628afaf5a2dSDavid Somayajulu * The mid-level driver tries to ensure that queuecommand never gets 2629afaf5a2dSDavid Somayajulu * invoked concurrently with itself or the interrupt handler (although 2630afaf5a2dSDavid Somayajulu * the interrupt handler may call this routine as part of request- 2631afaf5a2dSDavid Somayajulu * completion handling). Unfortunely, it sometimes calls the scheduler 2632afaf5a2dSDavid Somayajulu * in interrupt context which is a big NO! NO!. 2633afaf5a2dSDavid Somayajulu **/ 26348f0722caSVikas Chaudhary static int qla4xxx_queuecommand(struct Scsi_Host *host, struct scsi_cmnd *cmd) 2635afaf5a2dSDavid Somayajulu { 26368f0722caSVikas Chaudhary struct scsi_qla_host *ha = to_qla_host(host); 2637afaf5a2dSDavid Somayajulu struct ddb_entry *ddb_entry = cmd->device->hostdata; 26387fb1921bSMike Christie struct iscsi_cls_session *sess = ddb_entry->sess; 2639afaf5a2dSDavid Somayajulu struct srb *srb; 2640afaf5a2dSDavid Somayajulu int rval; 2641afaf5a2dSDavid Somayajulu 26422232be0dSLalit Chandivade if (test_bit(AF_EEH_BUSY, &ha->flags)) { 26432232be0dSLalit Chandivade if (test_bit(AF_PCI_CHANNEL_IO_PERM_FAILURE, &ha->flags)) 26442232be0dSLalit Chandivade cmd->result = DID_NO_CONNECT << 16; 26452232be0dSLalit Chandivade else 26462232be0dSLalit Chandivade cmd->result = DID_REQUEUE << 16; 26472232be0dSLalit Chandivade goto qc_fail_command; 26482232be0dSLalit Chandivade } 26492232be0dSLalit Chandivade 26507fb1921bSMike Christie if (!sess) { 26517fb1921bSMike Christie cmd->result = DID_IMM_RETRY << 16; 26527fb1921bSMike Christie goto qc_fail_command; 26537fb1921bSMike Christie } 26547fb1921bSMike Christie 26557fb1921bSMike Christie rval = iscsi_session_chkready(sess); 26567fb1921bSMike Christie if (rval) { 26577fb1921bSMike Christie cmd->result = rval; 26587fb1921bSMike Christie goto qc_fail_command; 26597fb1921bSMike Christie } 26607fb1921bSMike Christie 2661f4f5df23SVikas Chaudhary if (test_bit(DPC_RESET_HA_INTR, &ha->dpc_flags) || 2662f4f5df23SVikas Chaudhary test_bit(DPC_RESET_ACTIVE, &ha->dpc_flags) || 2663f4f5df23SVikas Chaudhary test_bit(DPC_RESET_HA, &ha->dpc_flags) || 2664f4f5df23SVikas Chaudhary test_bit(DPC_HA_UNRECOVERABLE, &ha->dpc_flags) || 2665f4f5df23SVikas Chaudhary test_bit(DPC_HA_NEED_QUIESCENT, &ha->dpc_flags) || 2666f4f5df23SVikas Chaudhary !test_bit(AF_ONLINE, &ha->flags) || 2667b3a271a9SManish Rangankar !test_bit(AF_LINK_UP, &ha->flags) || 2668026fbd3aSNilesh Javali test_bit(AF_LOOPBACK, &ha->flags) || 26697ab284c9SNilesh Javali test_bit(DPC_POST_IDC_ACK, &ha->dpc_flags) || 26707ab284c9SNilesh Javali test_bit(DPC_RESTORE_ACB, &ha->dpc_flags) || 2671f4f5df23SVikas Chaudhary test_bit(DPC_RESET_HA_FW_CONTEXT, &ha->dpc_flags)) 2672477ffb9dSDavid C Somayajulu goto qc_host_busy; 2673477ffb9dSDavid C Somayajulu 26748f0722caSVikas Chaudhary srb = qla4xxx_get_new_srb(ha, ddb_entry, cmd); 2675afaf5a2dSDavid Somayajulu if (!srb) 26768f0722caSVikas Chaudhary goto qc_host_busy; 2677afaf5a2dSDavid Somayajulu 2678afaf5a2dSDavid Somayajulu rval = qla4xxx_send_command_to_isp(ha, srb); 2679afaf5a2dSDavid Somayajulu if (rval != QLA_SUCCESS) 2680afaf5a2dSDavid Somayajulu goto qc_host_busy_free_sp; 2681afaf5a2dSDavid Somayajulu 2682afaf5a2dSDavid Somayajulu return 0; 2683afaf5a2dSDavid Somayajulu 2684afaf5a2dSDavid Somayajulu qc_host_busy_free_sp: 2685afaf5a2dSDavid Somayajulu qla4xxx_srb_free_dma(ha, srb); 2686afaf5a2dSDavid Somayajulu mempool_free(srb, ha->srb_mempool); 2687afaf5a2dSDavid Somayajulu 2688afaf5a2dSDavid Somayajulu qc_host_busy: 2689afaf5a2dSDavid Somayajulu return SCSI_MLQUEUE_HOST_BUSY; 2690afaf5a2dSDavid Somayajulu 2691afaf5a2dSDavid Somayajulu qc_fail_command: 26928f0722caSVikas Chaudhary cmd->scsi_done(cmd); 2693afaf5a2dSDavid Somayajulu 2694afaf5a2dSDavid Somayajulu return 0; 2695afaf5a2dSDavid Somayajulu } 2696afaf5a2dSDavid Somayajulu 2697afaf5a2dSDavid Somayajulu /** 2698afaf5a2dSDavid Somayajulu * qla4xxx_mem_free - frees memory allocated to adapter 2699afaf5a2dSDavid Somayajulu * @ha: Pointer to host adapter structure. 2700afaf5a2dSDavid Somayajulu * 2701afaf5a2dSDavid Somayajulu * Frees memory previously allocated by qla4xxx_mem_alloc 2702afaf5a2dSDavid Somayajulu **/ 2703afaf5a2dSDavid Somayajulu static void qla4xxx_mem_free(struct scsi_qla_host *ha) 2704afaf5a2dSDavid Somayajulu { 2705afaf5a2dSDavid Somayajulu if (ha->queues) 2706afaf5a2dSDavid Somayajulu dma_free_coherent(&ha->pdev->dev, ha->queues_len, ha->queues, 2707afaf5a2dSDavid Somayajulu ha->queues_dma); 2708afaf5a2dSDavid Somayajulu 2709068237c8STej Parkash if (ha->fw_dump) 2710068237c8STej Parkash vfree(ha->fw_dump); 2711068237c8STej Parkash 2712afaf5a2dSDavid Somayajulu ha->queues_len = 0; 2713afaf5a2dSDavid Somayajulu ha->queues = NULL; 2714afaf5a2dSDavid Somayajulu ha->queues_dma = 0; 2715afaf5a2dSDavid Somayajulu ha->request_ring = NULL; 2716afaf5a2dSDavid Somayajulu ha->request_dma = 0; 2717afaf5a2dSDavid Somayajulu ha->response_ring = NULL; 2718afaf5a2dSDavid Somayajulu ha->response_dma = 0; 2719afaf5a2dSDavid Somayajulu ha->shadow_regs = NULL; 2720afaf5a2dSDavid Somayajulu ha->shadow_regs_dma = 0; 2721068237c8STej Parkash ha->fw_dump = NULL; 2722068237c8STej Parkash ha->fw_dump_size = 0; 2723afaf5a2dSDavid Somayajulu 2724afaf5a2dSDavid Somayajulu /* Free srb pool. */ 2725afaf5a2dSDavid Somayajulu if (ha->srb_mempool) 2726afaf5a2dSDavid Somayajulu mempool_destroy(ha->srb_mempool); 2727afaf5a2dSDavid Somayajulu 2728afaf5a2dSDavid Somayajulu ha->srb_mempool = NULL; 2729afaf5a2dSDavid Somayajulu 2730b3a271a9SManish Rangankar if (ha->chap_dma_pool) 2731b3a271a9SManish Rangankar dma_pool_destroy(ha->chap_dma_pool); 2732b3a271a9SManish Rangankar 27334549415aSLalit Chandivade if (ha->chap_list) 27344549415aSLalit Chandivade vfree(ha->chap_list); 27354549415aSLalit Chandivade ha->chap_list = NULL; 27364549415aSLalit Chandivade 273713483730SMike Christie if (ha->fw_ddb_dma_pool) 273813483730SMike Christie dma_pool_destroy(ha->fw_ddb_dma_pool); 273913483730SMike Christie 2740afaf5a2dSDavid Somayajulu /* release io space registers */ 2741f4f5df23SVikas Chaudhary if (is_qla8022(ha)) { 2742f4f5df23SVikas Chaudhary if (ha->nx_pcibase) 2743f4f5df23SVikas Chaudhary iounmap( 2744f4f5df23SVikas Chaudhary (struct device_reg_82xx __iomem *)ha->nx_pcibase); 2745b37ca418SVikas Chaudhary } else if (is_qla8032(ha) || is_qla8042(ha)) { 27466e7b4292SVikas Chaudhary if (ha->nx_pcibase) 27476e7b4292SVikas Chaudhary iounmap( 27486e7b4292SVikas Chaudhary (struct device_reg_83xx __iomem *)ha->nx_pcibase); 27496e7b4292SVikas Chaudhary } else if (ha->reg) { 2750afaf5a2dSDavid Somayajulu iounmap(ha->reg); 27516e7b4292SVikas Chaudhary } 27526e7b4292SVikas Chaudhary 27536e7b4292SVikas Chaudhary if (ha->reset_tmplt.buff) 27546e7b4292SVikas Chaudhary vfree(ha->reset_tmplt.buff); 27556e7b4292SVikas Chaudhary 2756afaf5a2dSDavid Somayajulu pci_release_regions(ha->pdev); 2757afaf5a2dSDavid Somayajulu } 2758afaf5a2dSDavid Somayajulu 2759afaf5a2dSDavid Somayajulu /** 2760afaf5a2dSDavid Somayajulu * qla4xxx_mem_alloc - allocates memory for use by adapter. 2761afaf5a2dSDavid Somayajulu * @ha: Pointer to host adapter structure 2762afaf5a2dSDavid Somayajulu * 2763afaf5a2dSDavid Somayajulu * Allocates DMA memory for request and response queues. Also allocates memory 2764afaf5a2dSDavid Somayajulu * for srbs. 2765afaf5a2dSDavid Somayajulu **/ 2766afaf5a2dSDavid Somayajulu static int qla4xxx_mem_alloc(struct scsi_qla_host *ha) 2767afaf5a2dSDavid Somayajulu { 2768afaf5a2dSDavid Somayajulu unsigned long align; 2769afaf5a2dSDavid Somayajulu 2770afaf5a2dSDavid Somayajulu /* Allocate contiguous block of DMA memory for queues. */ 2771afaf5a2dSDavid Somayajulu ha->queues_len = ((REQUEST_QUEUE_DEPTH * QUEUE_SIZE) + 2772afaf5a2dSDavid Somayajulu (RESPONSE_QUEUE_DEPTH * QUEUE_SIZE) + 2773afaf5a2dSDavid Somayajulu sizeof(struct shadow_regs) + 2774afaf5a2dSDavid Somayajulu MEM_ALIGN_VALUE + 2775afaf5a2dSDavid Somayajulu (PAGE_SIZE - 1)) & ~(PAGE_SIZE - 1); 2776afaf5a2dSDavid Somayajulu ha->queues = dma_alloc_coherent(&ha->pdev->dev, ha->queues_len, 2777afaf5a2dSDavid Somayajulu &ha->queues_dma, GFP_KERNEL); 2778afaf5a2dSDavid Somayajulu if (ha->queues == NULL) { 2779c2660df3SVikas Chaudhary ql4_printk(KERN_WARNING, ha, 2780afaf5a2dSDavid Somayajulu "Memory Allocation failed - queues.\n"); 2781afaf5a2dSDavid Somayajulu 2782afaf5a2dSDavid Somayajulu goto mem_alloc_error_exit; 2783afaf5a2dSDavid Somayajulu } 2784afaf5a2dSDavid Somayajulu memset(ha->queues, 0, ha->queues_len); 2785afaf5a2dSDavid Somayajulu 2786afaf5a2dSDavid Somayajulu /* 2787afaf5a2dSDavid Somayajulu * As per RISC alignment requirements -- the bus-address must be a 2788afaf5a2dSDavid Somayajulu * multiple of the request-ring size (in bytes). 2789afaf5a2dSDavid Somayajulu */ 2790afaf5a2dSDavid Somayajulu align = 0; 2791afaf5a2dSDavid Somayajulu if ((unsigned long)ha->queues_dma & (MEM_ALIGN_VALUE - 1)) 2792afaf5a2dSDavid Somayajulu align = MEM_ALIGN_VALUE - ((unsigned long)ha->queues_dma & 2793afaf5a2dSDavid Somayajulu (MEM_ALIGN_VALUE - 1)); 2794afaf5a2dSDavid Somayajulu 2795afaf5a2dSDavid Somayajulu /* Update request and response queue pointers. */ 2796afaf5a2dSDavid Somayajulu ha->request_dma = ha->queues_dma + align; 2797afaf5a2dSDavid Somayajulu ha->request_ring = (struct queue_entry *) (ha->queues + align); 2798afaf5a2dSDavid Somayajulu ha->response_dma = ha->queues_dma + align + 2799afaf5a2dSDavid Somayajulu (REQUEST_QUEUE_DEPTH * QUEUE_SIZE); 2800afaf5a2dSDavid Somayajulu ha->response_ring = (struct queue_entry *) (ha->queues + align + 2801afaf5a2dSDavid Somayajulu (REQUEST_QUEUE_DEPTH * 2802afaf5a2dSDavid Somayajulu QUEUE_SIZE)); 2803afaf5a2dSDavid Somayajulu ha->shadow_regs_dma = ha->queues_dma + align + 2804afaf5a2dSDavid Somayajulu (REQUEST_QUEUE_DEPTH * QUEUE_SIZE) + 2805afaf5a2dSDavid Somayajulu (RESPONSE_QUEUE_DEPTH * QUEUE_SIZE); 2806afaf5a2dSDavid Somayajulu ha->shadow_regs = (struct shadow_regs *) (ha->queues + align + 2807afaf5a2dSDavid Somayajulu (REQUEST_QUEUE_DEPTH * 2808afaf5a2dSDavid Somayajulu QUEUE_SIZE) + 2809afaf5a2dSDavid Somayajulu (RESPONSE_QUEUE_DEPTH * 2810afaf5a2dSDavid Somayajulu QUEUE_SIZE)); 2811afaf5a2dSDavid Somayajulu 2812afaf5a2dSDavid Somayajulu /* Allocate memory for srb pool. */ 2813afaf5a2dSDavid Somayajulu ha->srb_mempool = mempool_create(SRB_MIN_REQ, mempool_alloc_slab, 2814afaf5a2dSDavid Somayajulu mempool_free_slab, srb_cachep); 2815afaf5a2dSDavid Somayajulu if (ha->srb_mempool == NULL) { 2816c2660df3SVikas Chaudhary ql4_printk(KERN_WARNING, ha, 2817afaf5a2dSDavid Somayajulu "Memory Allocation failed - SRB Pool.\n"); 2818afaf5a2dSDavid Somayajulu 2819afaf5a2dSDavid Somayajulu goto mem_alloc_error_exit; 2820afaf5a2dSDavid Somayajulu } 2821afaf5a2dSDavid Somayajulu 2822b3a271a9SManish Rangankar ha->chap_dma_pool = dma_pool_create("ql4_chap", &ha->pdev->dev, 2823b3a271a9SManish Rangankar CHAP_DMA_BLOCK_SIZE, 8, 0); 2824b3a271a9SManish Rangankar 2825b3a271a9SManish Rangankar if (ha->chap_dma_pool == NULL) { 2826b3a271a9SManish Rangankar ql4_printk(KERN_WARNING, ha, 2827b3a271a9SManish Rangankar "%s: chap_dma_pool allocation failed..\n", __func__); 2828b3a271a9SManish Rangankar goto mem_alloc_error_exit; 2829b3a271a9SManish Rangankar } 2830b3a271a9SManish Rangankar 283113483730SMike Christie ha->fw_ddb_dma_pool = dma_pool_create("ql4_fw_ddb", &ha->pdev->dev, 283213483730SMike Christie DDB_DMA_BLOCK_SIZE, 8, 0); 283313483730SMike Christie 283413483730SMike Christie if (ha->fw_ddb_dma_pool == NULL) { 283513483730SMike Christie ql4_printk(KERN_WARNING, ha, 283613483730SMike Christie "%s: fw_ddb_dma_pool allocation failed..\n", 283713483730SMike Christie __func__); 283813483730SMike Christie goto mem_alloc_error_exit; 283913483730SMike Christie } 284013483730SMike Christie 2841afaf5a2dSDavid Somayajulu return QLA_SUCCESS; 2842afaf5a2dSDavid Somayajulu 2843afaf5a2dSDavid Somayajulu mem_alloc_error_exit: 2844afaf5a2dSDavid Somayajulu qla4xxx_mem_free(ha); 2845afaf5a2dSDavid Somayajulu return QLA_ERROR; 2846afaf5a2dSDavid Somayajulu } 2847afaf5a2dSDavid Somayajulu 2848afaf5a2dSDavid Somayajulu /** 28494f77083eSMike Hernandez * qla4_8xxx_check_temp - Check the ISP82XX temperature. 28504f77083eSMike Hernandez * @ha: adapter block pointer. 28514f77083eSMike Hernandez * 28524f77083eSMike Hernandez * Note: The caller should not hold the idc lock. 28534f77083eSMike Hernandez **/ 28544f77083eSMike Hernandez static int qla4_8xxx_check_temp(struct scsi_qla_host *ha) 28554f77083eSMike Hernandez { 28564f77083eSMike Hernandez uint32_t temp, temp_state, temp_val; 28574f77083eSMike Hernandez int status = QLA_SUCCESS; 28584f77083eSMike Hernandez 285933693c7aSVikas Chaudhary temp = qla4_8xxx_rd_direct(ha, QLA8XXX_CRB_TEMP_STATE); 28604f77083eSMike Hernandez 28614f77083eSMike Hernandez temp_state = qla82xx_get_temp_state(temp); 28624f77083eSMike Hernandez temp_val = qla82xx_get_temp_val(temp); 28634f77083eSMike Hernandez 28644f77083eSMike Hernandez if (temp_state == QLA82XX_TEMP_PANIC) { 28654f77083eSMike Hernandez ql4_printk(KERN_WARNING, ha, "Device temperature %d degrees C" 28664f77083eSMike Hernandez " exceeds maximum allowed. Hardware has been shut" 28674f77083eSMike Hernandez " down.\n", temp_val); 28684f77083eSMike Hernandez status = QLA_ERROR; 28694f77083eSMike Hernandez } else if (temp_state == QLA82XX_TEMP_WARN) { 28704f77083eSMike Hernandez if (ha->temperature == QLA82XX_TEMP_NORMAL) 28714f77083eSMike Hernandez ql4_printk(KERN_WARNING, ha, "Device temperature %d" 28724f77083eSMike Hernandez " degrees C exceeds operating range." 28734f77083eSMike Hernandez " Immediate action needed.\n", temp_val); 28744f77083eSMike Hernandez } else { 28754f77083eSMike Hernandez if (ha->temperature == QLA82XX_TEMP_WARN) 28764f77083eSMike Hernandez ql4_printk(KERN_INFO, ha, "Device temperature is" 28774f77083eSMike Hernandez " now %d degrees C in normal range.\n", 28784f77083eSMike Hernandez temp_val); 28794f77083eSMike Hernandez } 28804f77083eSMike Hernandez ha->temperature = temp_state; 28814f77083eSMike Hernandez return status; 28824f77083eSMike Hernandez } 28834f77083eSMike Hernandez 28844f77083eSMike Hernandez /** 2885f4f5df23SVikas Chaudhary * qla4_8xxx_check_fw_alive - Check firmware health 2886f4f5df23SVikas Chaudhary * @ha: Pointer to host adapter structure. 2887f4f5df23SVikas Chaudhary * 2888f4f5df23SVikas Chaudhary * Context: Interrupt 2889f4f5df23SVikas Chaudhary **/ 28909ee91a38SShyam Sunder static int qla4_8xxx_check_fw_alive(struct scsi_qla_host *ha) 2891f4f5df23SVikas Chaudhary { 28929ee91a38SShyam Sunder uint32_t fw_heartbeat_counter; 28939ee91a38SShyam Sunder int status = QLA_SUCCESS; 2894f4f5df23SVikas Chaudhary 289533693c7aSVikas Chaudhary fw_heartbeat_counter = qla4_8xxx_rd_direct(ha, 289633693c7aSVikas Chaudhary QLA8XXX_PEG_ALIVE_COUNTER); 28972232be0dSLalit Chandivade /* If PEG_ALIVE_COUNTER is 0xffffffff, AER/EEH is in progress, ignore */ 28982232be0dSLalit Chandivade if (fw_heartbeat_counter == 0xffffffff) { 28992232be0dSLalit Chandivade DEBUG2(printk(KERN_WARNING "scsi%ld: %s: Device in frozen " 29002232be0dSLalit Chandivade "state, QLA82XX_PEG_ALIVE_COUNTER is 0xffffffff\n", 29012232be0dSLalit Chandivade ha->host_no, __func__)); 29029ee91a38SShyam Sunder return status; 29032232be0dSLalit Chandivade } 2904f4f5df23SVikas Chaudhary 2905f4f5df23SVikas Chaudhary if (ha->fw_heartbeat_counter == fw_heartbeat_counter) { 2906f4f5df23SVikas Chaudhary ha->seconds_since_last_heartbeat++; 2907f4f5df23SVikas Chaudhary /* FW not alive after 2 seconds */ 2908f4f5df23SVikas Chaudhary if (ha->seconds_since_last_heartbeat == 2) { 2909f4f5df23SVikas Chaudhary ha->seconds_since_last_heartbeat = 0; 29106e7b4292SVikas Chaudhary qla4_8xxx_dump_peg_reg(ha); 29119ee91a38SShyam Sunder status = QLA_ERROR; 2912f4f5df23SVikas Chaudhary } 291399457d75SLalit Chandivade } else 291499457d75SLalit Chandivade ha->seconds_since_last_heartbeat = 0; 291599457d75SLalit Chandivade 2916f4f5df23SVikas Chaudhary ha->fw_heartbeat_counter = fw_heartbeat_counter; 29179ee91a38SShyam Sunder return status; 2918f4f5df23SVikas Chaudhary } 2919f4f5df23SVikas Chaudhary 29206e7b4292SVikas Chaudhary static void qla4_8xxx_process_fw_error(struct scsi_qla_host *ha) 29216e7b4292SVikas Chaudhary { 29226e7b4292SVikas Chaudhary uint32_t halt_status; 29236e7b4292SVikas Chaudhary int halt_status_unrecoverable = 0; 29246e7b4292SVikas Chaudhary 29256e7b4292SVikas Chaudhary halt_status = qla4_8xxx_rd_direct(ha, QLA8XXX_PEG_HALT_STATUS1); 29266e7b4292SVikas Chaudhary 29276e7b4292SVikas Chaudhary if (is_qla8022(ha)) { 29286e7b4292SVikas Chaudhary ql4_printk(KERN_INFO, ha, "%s: disabling pause transmit on port 0 & 1.\n", 29296e7b4292SVikas Chaudhary __func__); 29306e7b4292SVikas Chaudhary qla4_82xx_wr_32(ha, QLA82XX_CRB_NIU + 0x98, 29316e7b4292SVikas Chaudhary CRB_NIU_XG_PAUSE_CTL_P0 | 29326e7b4292SVikas Chaudhary CRB_NIU_XG_PAUSE_CTL_P1); 29336e7b4292SVikas Chaudhary 29346e7b4292SVikas Chaudhary if (QLA82XX_FWERROR_CODE(halt_status) == 0x67) 29356e7b4292SVikas Chaudhary ql4_printk(KERN_ERR, ha, "%s: Firmware aborted with error code 0x00006700. Device is being reset\n", 29366e7b4292SVikas Chaudhary __func__); 29376e7b4292SVikas Chaudhary if (halt_status & HALT_STATUS_UNRECOVERABLE) 29386e7b4292SVikas Chaudhary halt_status_unrecoverable = 1; 2939b37ca418SVikas Chaudhary } else if (is_qla8032(ha) || is_qla8042(ha)) { 29406e7b4292SVikas Chaudhary if (halt_status & QLA83XX_HALT_STATUS_FW_RESET) 29416e7b4292SVikas Chaudhary ql4_printk(KERN_ERR, ha, "%s: Firmware error detected device is being reset\n", 29426e7b4292SVikas Chaudhary __func__); 29436e7b4292SVikas Chaudhary else if (halt_status & QLA83XX_HALT_STATUS_UNRECOVERABLE) 29446e7b4292SVikas Chaudhary halt_status_unrecoverable = 1; 29456e7b4292SVikas Chaudhary } 29466e7b4292SVikas Chaudhary 29476e7b4292SVikas Chaudhary /* 29486e7b4292SVikas Chaudhary * Since we cannot change dev_state in interrupt context, 29496e7b4292SVikas Chaudhary * set appropriate DPC flag then wakeup DPC 29506e7b4292SVikas Chaudhary */ 29516e7b4292SVikas Chaudhary if (halt_status_unrecoverable) { 29526e7b4292SVikas Chaudhary set_bit(DPC_HA_UNRECOVERABLE, &ha->dpc_flags); 29536e7b4292SVikas Chaudhary } else { 29546e7b4292SVikas Chaudhary ql4_printk(KERN_INFO, ha, "%s: detect abort needed!\n", 29556e7b4292SVikas Chaudhary __func__); 29566e7b4292SVikas Chaudhary set_bit(DPC_RESET_HA, &ha->dpc_flags); 29576e7b4292SVikas Chaudhary } 29586e7b4292SVikas Chaudhary qla4xxx_mailbox_premature_completion(ha); 29596e7b4292SVikas Chaudhary qla4xxx_wake_dpc(ha); 29606e7b4292SVikas Chaudhary } 29616e7b4292SVikas Chaudhary 2962f4f5df23SVikas Chaudhary /** 2963f4f5df23SVikas Chaudhary * qla4_8xxx_watchdog - Poll dev state 2964f4f5df23SVikas Chaudhary * @ha: Pointer to host adapter structure. 2965f4f5df23SVikas Chaudhary * 2966f4f5df23SVikas Chaudhary * Context: Interrupt 2967f4f5df23SVikas Chaudhary **/ 2968f4f5df23SVikas Chaudhary void qla4_8xxx_watchdog(struct scsi_qla_host *ha) 2969f4f5df23SVikas Chaudhary { 29706e7b4292SVikas Chaudhary uint32_t dev_state; 29716cf94121SVikas Chaudhary uint32_t idc_ctrl; 2972f4f5df23SVikas Chaudhary 2973f4f5df23SVikas Chaudhary /* don't poll if reset is going on */ 2974d56a1f7bSLalit Chandivade if (!(test_bit(DPC_RESET_ACTIVE, &ha->dpc_flags) || 2975d56a1f7bSLalit Chandivade test_bit(DPC_RESET_HA, &ha->dpc_flags) || 2976977f46a4SVikas Chaudhary test_bit(DPC_RETRY_RESET_HA, &ha->dpc_flags))) { 297733693c7aSVikas Chaudhary dev_state = qla4_8xxx_rd_direct(ha, QLA8XXX_CRB_DEV_STATE); 29784f77083eSMike Hernandez 29794f77083eSMike Hernandez if (qla4_8xxx_check_temp(ha)) { 29806e7b4292SVikas Chaudhary if (is_qla8022(ha)) { 29816e7b4292SVikas Chaudhary ql4_printk(KERN_INFO, ha, "disabling pause transmit on port 0 & 1.\n"); 2982f8086f4fSVikas Chaudhary qla4_82xx_wr_32(ha, QLA82XX_CRB_NIU + 0x98, 2983e6bd0ebdSGiridhar Malavali CRB_NIU_XG_PAUSE_CTL_P0 | 2984e6bd0ebdSGiridhar Malavali CRB_NIU_XG_PAUSE_CTL_P1); 29856e7b4292SVikas Chaudhary } 29864f77083eSMike Hernandez set_bit(DPC_HA_UNRECOVERABLE, &ha->dpc_flags); 29874f77083eSMike Hernandez qla4xxx_wake_dpc(ha); 2988de8c72daSVikas Chaudhary } else if (dev_state == QLA8XXX_DEV_NEED_RESET && 2989f4f5df23SVikas Chaudhary !test_bit(DPC_RESET_HA, &ha->dpc_flags)) { 29906cf94121SVikas Chaudhary 29916cf94121SVikas Chaudhary ql4_printk(KERN_INFO, ha, "%s: HW State: NEED RESET!\n", 29926cf94121SVikas Chaudhary __func__); 29936cf94121SVikas Chaudhary 2994b37ca418SVikas Chaudhary if (is_qla8032(ha) || is_qla8042(ha)) { 29956cf94121SVikas Chaudhary idc_ctrl = qla4_83xx_rd_reg(ha, 29966cf94121SVikas Chaudhary QLA83XX_IDC_DRV_CTRL); 29976cf94121SVikas Chaudhary if (!(idc_ctrl & GRACEFUL_RESET_BIT1)) { 29986cf94121SVikas Chaudhary ql4_printk(KERN_INFO, ha, "%s: Graceful reset bit is not set\n", 29996cf94121SVikas Chaudhary __func__); 30006cf94121SVikas Chaudhary qla4xxx_mailbox_premature_completion( 30016cf94121SVikas Chaudhary ha); 30026cf94121SVikas Chaudhary } 30036cf94121SVikas Chaudhary } 30046cf94121SVikas Chaudhary 3005b37ca418SVikas Chaudhary if ((is_qla8032(ha) || is_qla8042(ha)) || 30066e7b4292SVikas Chaudhary (is_qla8022(ha) && !ql4xdontresethba)) { 3007f4f5df23SVikas Chaudhary set_bit(DPC_RESET_HA, &ha->dpc_flags); 3008f4f5df23SVikas Chaudhary qla4xxx_wake_dpc(ha); 30093930b8c1SVikas Chaudhary } 3010de8c72daSVikas Chaudhary } else if (dev_state == QLA8XXX_DEV_NEED_QUIESCENT && 3011f4f5df23SVikas Chaudhary !test_bit(DPC_HA_NEED_QUIESCENT, &ha->dpc_flags)) { 30123930b8c1SVikas Chaudhary ql4_printk(KERN_INFO, ha, "%s: HW State: NEED QUIES!\n", 30133930b8c1SVikas Chaudhary __func__); 3014f4f5df23SVikas Chaudhary set_bit(DPC_HA_NEED_QUIESCENT, &ha->dpc_flags); 3015f4f5df23SVikas Chaudhary qla4xxx_wake_dpc(ha); 3016f4f5df23SVikas Chaudhary } else { 3017f4f5df23SVikas Chaudhary /* Check firmware health */ 30186e7b4292SVikas Chaudhary if (qla4_8xxx_check_fw_alive(ha)) 30196e7b4292SVikas Chaudhary qla4_8xxx_process_fw_error(ha); 3020f4f5df23SVikas Chaudhary } 3021f4f5df23SVikas Chaudhary } 3022f4f5df23SVikas Chaudhary } 3023f4f5df23SVikas Chaudhary 30244a4bc2e9SLalit Chandivade static void qla4xxx_check_relogin_flash_ddb(struct iscsi_cls_session *cls_sess) 302513483730SMike Christie { 302613483730SMike Christie struct iscsi_session *sess; 302713483730SMike Christie struct ddb_entry *ddb_entry; 302813483730SMike Christie struct scsi_qla_host *ha; 302913483730SMike Christie 303013483730SMike Christie sess = cls_sess->dd_data; 303113483730SMike Christie ddb_entry = sess->dd_data; 303213483730SMike Christie ha = ddb_entry->ha; 303313483730SMike Christie 303413483730SMike Christie if (!(ddb_entry->ddb_type == FLASH_DDB)) 303513483730SMike Christie return; 303613483730SMike Christie 303713483730SMike Christie if (adapter_up(ha) && !test_bit(DF_RELOGIN, &ddb_entry->flags) && 303813483730SMike Christie !iscsi_is_session_online(cls_sess)) { 303913483730SMike Christie if (atomic_read(&ddb_entry->retry_relogin_timer) != 304013483730SMike Christie INVALID_ENTRY) { 304113483730SMike Christie if (atomic_read(&ddb_entry->retry_relogin_timer) == 304213483730SMike Christie 0) { 304313483730SMike Christie atomic_set(&ddb_entry->retry_relogin_timer, 304413483730SMike Christie INVALID_ENTRY); 304513483730SMike Christie set_bit(DPC_RELOGIN_DEVICE, &ha->dpc_flags); 304613483730SMike Christie set_bit(DF_RELOGIN, &ddb_entry->flags); 304713483730SMike Christie DEBUG2(ql4_printk(KERN_INFO, ha, 304813483730SMike Christie "%s: index [%d] login device\n", 304913483730SMike Christie __func__, ddb_entry->fw_ddb_index)); 305013483730SMike Christie } else 305113483730SMike Christie atomic_dec(&ddb_entry->retry_relogin_timer); 305213483730SMike Christie } 305313483730SMike Christie } 305413483730SMike Christie 305513483730SMike Christie /* Wait for relogin to timeout */ 305613483730SMike Christie if (atomic_read(&ddb_entry->relogin_timer) && 305713483730SMike Christie (atomic_dec_and_test(&ddb_entry->relogin_timer) != 0)) { 305813483730SMike Christie /* 305913483730SMike Christie * If the relogin times out and the device is 306013483730SMike Christie * still NOT ONLINE then try and relogin again. 306113483730SMike Christie */ 306213483730SMike Christie if (!iscsi_is_session_online(cls_sess)) { 306313483730SMike Christie /* Reset retry relogin timer */ 306413483730SMike Christie atomic_inc(&ddb_entry->relogin_retry_count); 306513483730SMike Christie DEBUG2(ql4_printk(KERN_INFO, ha, 306613483730SMike Christie "%s: index[%d] relogin timed out-retrying" 306713483730SMike Christie " relogin (%d), retry (%d)\n", __func__, 306813483730SMike Christie ddb_entry->fw_ddb_index, 306913483730SMike Christie atomic_read(&ddb_entry->relogin_retry_count), 307013483730SMike Christie ddb_entry->default_time2wait + 4)); 307113483730SMike Christie set_bit(DPC_RELOGIN_DEVICE, &ha->dpc_flags); 307213483730SMike Christie atomic_set(&ddb_entry->retry_relogin_timer, 307313483730SMike Christie ddb_entry->default_time2wait + 4); 307413483730SMike Christie } 307513483730SMike Christie } 307613483730SMike Christie } 307713483730SMike Christie 3078f4f5df23SVikas Chaudhary /** 3079afaf5a2dSDavid Somayajulu * qla4xxx_timer - checks every second for work to do. 3080afaf5a2dSDavid Somayajulu * @ha: Pointer to host adapter structure. 3081afaf5a2dSDavid Somayajulu **/ 3082afaf5a2dSDavid Somayajulu static void qla4xxx_timer(struct scsi_qla_host *ha) 3083afaf5a2dSDavid Somayajulu { 3084afaf5a2dSDavid Somayajulu int start_dpc = 0; 30852232be0dSLalit Chandivade uint16_t w; 30862232be0dSLalit Chandivade 308713483730SMike Christie iscsi_host_for_each_session(ha->host, qla4xxx_check_relogin_flash_ddb); 308813483730SMike Christie 30892232be0dSLalit Chandivade /* If we are in the middle of AER/EEH processing 30902232be0dSLalit Chandivade * skip any processing and reschedule the timer 30912232be0dSLalit Chandivade */ 30922232be0dSLalit Chandivade if (test_bit(AF_EEH_BUSY, &ha->flags)) { 30932232be0dSLalit Chandivade mod_timer(&ha->timer, jiffies + HZ); 30942232be0dSLalit Chandivade return; 30952232be0dSLalit Chandivade } 30962232be0dSLalit Chandivade 30972232be0dSLalit Chandivade /* Hardware read to trigger an EEH error during mailbox waits. */ 30982232be0dSLalit Chandivade if (!pci_channel_offline(ha->pdev)) 30992232be0dSLalit Chandivade pci_read_config_word(ha->pdev, PCI_VENDOR_ID, &w); 3100afaf5a2dSDavid Somayajulu 31016e7b4292SVikas Chaudhary if (is_qla80XX(ha)) 3102f4f5df23SVikas Chaudhary qla4_8xxx_watchdog(ha); 3103f4f5df23SVikas Chaudhary 3104ee996a69SVikas Chaudhary if (is_qla40XX(ha)) { 3105afaf5a2dSDavid Somayajulu /* Check for heartbeat interval. */ 3106afaf5a2dSDavid Somayajulu if (ha->firmware_options & FWOPT_HEARTBEAT_ENABLE && 3107afaf5a2dSDavid Somayajulu ha->heartbeat_interval != 0) { 3108afaf5a2dSDavid Somayajulu ha->seconds_since_last_heartbeat++; 3109afaf5a2dSDavid Somayajulu if (ha->seconds_since_last_heartbeat > 3110afaf5a2dSDavid Somayajulu ha->heartbeat_interval + 2) 3111afaf5a2dSDavid Somayajulu set_bit(DPC_RESET_HA, &ha->dpc_flags); 3112afaf5a2dSDavid Somayajulu } 3113f4f5df23SVikas Chaudhary } 3114afaf5a2dSDavid Somayajulu 3115ff884430SVikas Chaudhary /* Process any deferred work. */ 3116ff884430SVikas Chaudhary if (!list_empty(&ha->work_list)) 3117ff884430SVikas Chaudhary start_dpc++; 3118ff884430SVikas Chaudhary 3119afaf5a2dSDavid Somayajulu /* Wakeup the dpc routine for this adapter, if needed. */ 31201b46807eSLalit Chandivade if (start_dpc || 3121afaf5a2dSDavid Somayajulu test_bit(DPC_RESET_HA, &ha->dpc_flags) || 3122afaf5a2dSDavid Somayajulu test_bit(DPC_RETRY_RESET_HA, &ha->dpc_flags) || 3123afaf5a2dSDavid Somayajulu test_bit(DPC_RELOGIN_DEVICE, &ha->dpc_flags) || 3124f4f5df23SVikas Chaudhary test_bit(DPC_RESET_HA_FW_CONTEXT, &ha->dpc_flags) || 3125afaf5a2dSDavid Somayajulu test_bit(DPC_RESET_HA_INTR, &ha->dpc_flags) || 3126afaf5a2dSDavid Somayajulu test_bit(DPC_GET_DHCP_IP_ADDR, &ha->dpc_flags) || 3127065aa1b4SVikas Chaudhary test_bit(DPC_LINK_CHANGED, &ha->dpc_flags) || 3128f4f5df23SVikas Chaudhary test_bit(DPC_HA_UNRECOVERABLE, &ha->dpc_flags) || 3129f4f5df23SVikas Chaudhary test_bit(DPC_HA_NEED_QUIESCENT, &ha->dpc_flags) || 31301b46807eSLalit Chandivade test_bit(DPC_AEN, &ha->dpc_flags)) { 3131afaf5a2dSDavid Somayajulu DEBUG2(printk("scsi%ld: %s: scheduling dpc routine" 3132afaf5a2dSDavid Somayajulu " - dpc flags = 0x%lx\n", 3133afaf5a2dSDavid Somayajulu ha->host_no, __func__, ha->dpc_flags)); 3134f4f5df23SVikas Chaudhary qla4xxx_wake_dpc(ha); 3135afaf5a2dSDavid Somayajulu } 3136afaf5a2dSDavid Somayajulu 3137afaf5a2dSDavid Somayajulu /* Reschedule timer thread to call us back in one second */ 3138afaf5a2dSDavid Somayajulu mod_timer(&ha->timer, jiffies + HZ); 3139afaf5a2dSDavid Somayajulu 3140afaf5a2dSDavid Somayajulu DEBUG2(ha->seconds_since_last_intr++); 3141afaf5a2dSDavid Somayajulu } 3142afaf5a2dSDavid Somayajulu 3143afaf5a2dSDavid Somayajulu /** 3144afaf5a2dSDavid Somayajulu * qla4xxx_cmd_wait - waits for all outstanding commands to complete 3145afaf5a2dSDavid Somayajulu * @ha: Pointer to host adapter structure. 3146afaf5a2dSDavid Somayajulu * 3147afaf5a2dSDavid Somayajulu * This routine stalls the driver until all outstanding commands are returned. 3148afaf5a2dSDavid Somayajulu * Caller must release the Hardware Lock prior to calling this routine. 3149afaf5a2dSDavid Somayajulu **/ 3150afaf5a2dSDavid Somayajulu static int qla4xxx_cmd_wait(struct scsi_qla_host *ha) 3151afaf5a2dSDavid Somayajulu { 3152afaf5a2dSDavid Somayajulu uint32_t index = 0; 3153afaf5a2dSDavid Somayajulu unsigned long flags; 3154afaf5a2dSDavid Somayajulu struct scsi_cmnd *cmd; 3155afaf5a2dSDavid Somayajulu 3156f4f5df23SVikas Chaudhary unsigned long wtime = jiffies + (WAIT_CMD_TOV * HZ); 3157f4f5df23SVikas Chaudhary 3158f4f5df23SVikas Chaudhary DEBUG2(ql4_printk(KERN_INFO, ha, "Wait up to %d seconds for cmds to " 3159f4f5df23SVikas Chaudhary "complete\n", WAIT_CMD_TOV)); 3160f4f5df23SVikas Chaudhary 3161f4f5df23SVikas Chaudhary while (!time_after_eq(jiffies, wtime)) { 3162afaf5a2dSDavid Somayajulu spin_lock_irqsave(&ha->hardware_lock, flags); 3163afaf5a2dSDavid Somayajulu /* Find a command that hasn't completed. */ 3164afaf5a2dSDavid Somayajulu for (index = 0; index < ha->host->can_queue; index++) { 3165afaf5a2dSDavid Somayajulu cmd = scsi_host_find_tag(ha->host, index); 3166a1e0063dSMike Christie /* 3167a1e0063dSMike Christie * We cannot just check if the index is valid, 3168a1e0063dSMike Christie * becase if we are run from the scsi eh, then 3169a1e0063dSMike Christie * the scsi/block layer is going to prevent 3170a1e0063dSMike Christie * the tag from being released. 3171a1e0063dSMike Christie */ 3172a1e0063dSMike Christie if (cmd != NULL && CMD_SP(cmd)) 3173afaf5a2dSDavid Somayajulu break; 3174afaf5a2dSDavid Somayajulu } 3175afaf5a2dSDavid Somayajulu spin_unlock_irqrestore(&ha->hardware_lock, flags); 3176afaf5a2dSDavid Somayajulu 3177afaf5a2dSDavid Somayajulu /* If No Commands are pending, wait is complete */ 3178f4f5df23SVikas Chaudhary if (index == ha->host->can_queue) 3179f4f5df23SVikas Chaudhary return QLA_SUCCESS; 3180afaf5a2dSDavid Somayajulu 3181afaf5a2dSDavid Somayajulu msleep(1000); 3182afaf5a2dSDavid Somayajulu } 3183f4f5df23SVikas Chaudhary /* If we timed out on waiting for commands to come back 3184f4f5df23SVikas Chaudhary * return ERROR. */ 3185f4f5df23SVikas Chaudhary return QLA_ERROR; 3186afaf5a2dSDavid Somayajulu } 3187afaf5a2dSDavid Somayajulu 3188f4f5df23SVikas Chaudhary int qla4xxx_hw_reset(struct scsi_qla_host *ha) 3189afaf5a2dSDavid Somayajulu { 3190afaf5a2dSDavid Somayajulu uint32_t ctrl_status; 3191477ffb9dSDavid C Somayajulu unsigned long flags = 0; 3192477ffb9dSDavid C Somayajulu 3193477ffb9dSDavid C Somayajulu DEBUG2(printk(KERN_ERR "scsi%ld: %s\n", ha->host_no, __func__)); 3194afaf5a2dSDavid Somayajulu 3195f4f5df23SVikas Chaudhary if (ql4xxx_lock_drvr_wait(ha) != QLA_SUCCESS) 3196f4f5df23SVikas Chaudhary return QLA_ERROR; 3197f4f5df23SVikas Chaudhary 3198afaf5a2dSDavid Somayajulu spin_lock_irqsave(&ha->hardware_lock, flags); 3199afaf5a2dSDavid Somayajulu 3200afaf5a2dSDavid Somayajulu /* 3201afaf5a2dSDavid Somayajulu * If the SCSI Reset Interrupt bit is set, clear it. 3202afaf5a2dSDavid Somayajulu * Otherwise, the Soft Reset won't work. 3203afaf5a2dSDavid Somayajulu */ 3204afaf5a2dSDavid Somayajulu ctrl_status = readw(&ha->reg->ctrl_status); 3205afaf5a2dSDavid Somayajulu if ((ctrl_status & CSR_SCSI_RESET_INTR) != 0) 3206afaf5a2dSDavid Somayajulu writel(set_rmask(CSR_SCSI_RESET_INTR), &ha->reg->ctrl_status); 3207afaf5a2dSDavid Somayajulu 3208afaf5a2dSDavid Somayajulu /* Issue Soft Reset */ 3209afaf5a2dSDavid Somayajulu writel(set_rmask(CSR_SOFT_RESET), &ha->reg->ctrl_status); 3210afaf5a2dSDavid Somayajulu readl(&ha->reg->ctrl_status); 3211afaf5a2dSDavid Somayajulu 3212afaf5a2dSDavid Somayajulu spin_unlock_irqrestore(&ha->hardware_lock, flags); 3213f4f5df23SVikas Chaudhary return QLA_SUCCESS; 3214477ffb9dSDavid C Somayajulu } 3215477ffb9dSDavid C Somayajulu 3216477ffb9dSDavid C Somayajulu /** 3217477ffb9dSDavid C Somayajulu * qla4xxx_soft_reset - performs soft reset. 3218477ffb9dSDavid C Somayajulu * @ha: Pointer to host adapter structure. 3219477ffb9dSDavid C Somayajulu **/ 3220477ffb9dSDavid C Somayajulu int qla4xxx_soft_reset(struct scsi_qla_host *ha) 3221477ffb9dSDavid C Somayajulu { 3222477ffb9dSDavid C Somayajulu uint32_t max_wait_time; 3223477ffb9dSDavid C Somayajulu unsigned long flags = 0; 3224f931c534SVikas Chaudhary int status; 3225477ffb9dSDavid C Somayajulu uint32_t ctrl_status; 3226477ffb9dSDavid C Somayajulu 3227f931c534SVikas Chaudhary status = qla4xxx_hw_reset(ha); 3228f931c534SVikas Chaudhary if (status != QLA_SUCCESS) 3229f931c534SVikas Chaudhary return status; 3230afaf5a2dSDavid Somayajulu 3231f931c534SVikas Chaudhary status = QLA_ERROR; 3232afaf5a2dSDavid Somayajulu /* Wait until the Network Reset Intr bit is cleared */ 3233afaf5a2dSDavid Somayajulu max_wait_time = RESET_INTR_TOV; 3234afaf5a2dSDavid Somayajulu do { 3235afaf5a2dSDavid Somayajulu spin_lock_irqsave(&ha->hardware_lock, flags); 3236afaf5a2dSDavid Somayajulu ctrl_status = readw(&ha->reg->ctrl_status); 3237afaf5a2dSDavid Somayajulu spin_unlock_irqrestore(&ha->hardware_lock, flags); 3238afaf5a2dSDavid Somayajulu 3239afaf5a2dSDavid Somayajulu if ((ctrl_status & CSR_NET_RESET_INTR) == 0) 3240afaf5a2dSDavid Somayajulu break; 3241afaf5a2dSDavid Somayajulu 3242afaf5a2dSDavid Somayajulu msleep(1000); 3243afaf5a2dSDavid Somayajulu } while ((--max_wait_time)); 3244afaf5a2dSDavid Somayajulu 3245afaf5a2dSDavid Somayajulu if ((ctrl_status & CSR_NET_RESET_INTR) != 0) { 3246afaf5a2dSDavid Somayajulu DEBUG2(printk(KERN_WARNING 3247afaf5a2dSDavid Somayajulu "scsi%ld: Network Reset Intr not cleared by " 3248afaf5a2dSDavid Somayajulu "Network function, clearing it now!\n", 3249afaf5a2dSDavid Somayajulu ha->host_no)); 3250afaf5a2dSDavid Somayajulu spin_lock_irqsave(&ha->hardware_lock, flags); 3251afaf5a2dSDavid Somayajulu writel(set_rmask(CSR_NET_RESET_INTR), &ha->reg->ctrl_status); 3252afaf5a2dSDavid Somayajulu readl(&ha->reg->ctrl_status); 3253afaf5a2dSDavid Somayajulu spin_unlock_irqrestore(&ha->hardware_lock, flags); 3254afaf5a2dSDavid Somayajulu } 3255afaf5a2dSDavid Somayajulu 3256afaf5a2dSDavid Somayajulu /* Wait until the firmware tells us the Soft Reset is done */ 3257afaf5a2dSDavid Somayajulu max_wait_time = SOFT_RESET_TOV; 3258afaf5a2dSDavid Somayajulu do { 3259afaf5a2dSDavid Somayajulu spin_lock_irqsave(&ha->hardware_lock, flags); 3260afaf5a2dSDavid Somayajulu ctrl_status = readw(&ha->reg->ctrl_status); 3261afaf5a2dSDavid Somayajulu spin_unlock_irqrestore(&ha->hardware_lock, flags); 3262afaf5a2dSDavid Somayajulu 3263afaf5a2dSDavid Somayajulu if ((ctrl_status & CSR_SOFT_RESET) == 0) { 3264afaf5a2dSDavid Somayajulu status = QLA_SUCCESS; 3265afaf5a2dSDavid Somayajulu break; 3266afaf5a2dSDavid Somayajulu } 3267afaf5a2dSDavid Somayajulu 3268afaf5a2dSDavid Somayajulu msleep(1000); 3269afaf5a2dSDavid Somayajulu } while ((--max_wait_time)); 3270afaf5a2dSDavid Somayajulu 3271afaf5a2dSDavid Somayajulu /* 3272afaf5a2dSDavid Somayajulu * Also, make sure that the SCSI Reset Interrupt bit has been cleared 3273afaf5a2dSDavid Somayajulu * after the soft reset has taken place. 3274afaf5a2dSDavid Somayajulu */ 3275afaf5a2dSDavid Somayajulu spin_lock_irqsave(&ha->hardware_lock, flags); 3276afaf5a2dSDavid Somayajulu ctrl_status = readw(&ha->reg->ctrl_status); 3277afaf5a2dSDavid Somayajulu if ((ctrl_status & CSR_SCSI_RESET_INTR) != 0) { 3278afaf5a2dSDavid Somayajulu writel(set_rmask(CSR_SCSI_RESET_INTR), &ha->reg->ctrl_status); 3279afaf5a2dSDavid Somayajulu readl(&ha->reg->ctrl_status); 3280afaf5a2dSDavid Somayajulu } 3281afaf5a2dSDavid Somayajulu spin_unlock_irqrestore(&ha->hardware_lock, flags); 3282afaf5a2dSDavid Somayajulu 3283afaf5a2dSDavid Somayajulu /* If soft reset fails then most probably the bios on other 3284afaf5a2dSDavid Somayajulu * function is also enabled. 3285afaf5a2dSDavid Somayajulu * Since the initialization is sequential the other fn 3286afaf5a2dSDavid Somayajulu * wont be able to acknowledge the soft reset. 3287afaf5a2dSDavid Somayajulu * Issue a force soft reset to workaround this scenario. 3288afaf5a2dSDavid Somayajulu */ 3289afaf5a2dSDavid Somayajulu if (max_wait_time == 0) { 3290afaf5a2dSDavid Somayajulu /* Issue Force Soft Reset */ 3291afaf5a2dSDavid Somayajulu spin_lock_irqsave(&ha->hardware_lock, flags); 3292afaf5a2dSDavid Somayajulu writel(set_rmask(CSR_FORCE_SOFT_RESET), &ha->reg->ctrl_status); 3293afaf5a2dSDavid Somayajulu readl(&ha->reg->ctrl_status); 3294afaf5a2dSDavid Somayajulu spin_unlock_irqrestore(&ha->hardware_lock, flags); 3295afaf5a2dSDavid Somayajulu /* Wait until the firmware tells us the Soft Reset is done */ 3296afaf5a2dSDavid Somayajulu max_wait_time = SOFT_RESET_TOV; 3297afaf5a2dSDavid Somayajulu do { 3298afaf5a2dSDavid Somayajulu spin_lock_irqsave(&ha->hardware_lock, flags); 3299afaf5a2dSDavid Somayajulu ctrl_status = readw(&ha->reg->ctrl_status); 3300afaf5a2dSDavid Somayajulu spin_unlock_irqrestore(&ha->hardware_lock, flags); 3301afaf5a2dSDavid Somayajulu 3302afaf5a2dSDavid Somayajulu if ((ctrl_status & CSR_FORCE_SOFT_RESET) == 0) { 3303afaf5a2dSDavid Somayajulu status = QLA_SUCCESS; 3304afaf5a2dSDavid Somayajulu break; 3305afaf5a2dSDavid Somayajulu } 3306afaf5a2dSDavid Somayajulu 3307afaf5a2dSDavid Somayajulu msleep(1000); 3308afaf5a2dSDavid Somayajulu } while ((--max_wait_time)); 3309afaf5a2dSDavid Somayajulu } 3310afaf5a2dSDavid Somayajulu 3311afaf5a2dSDavid Somayajulu return status; 3312afaf5a2dSDavid Somayajulu } 3313afaf5a2dSDavid Somayajulu 3314afaf5a2dSDavid Somayajulu /** 3315f4f5df23SVikas Chaudhary * qla4xxx_abort_active_cmds - returns all outstanding i/o requests to O.S. 3316afaf5a2dSDavid Somayajulu * @ha: Pointer to host adapter structure. 3317f4f5df23SVikas Chaudhary * @res: returned scsi status 3318afaf5a2dSDavid Somayajulu * 3319afaf5a2dSDavid Somayajulu * This routine is called just prior to a HARD RESET to return all 3320afaf5a2dSDavid Somayajulu * outstanding commands back to the Operating System. 3321afaf5a2dSDavid Somayajulu * Caller should make sure that the following locks are released 3322afaf5a2dSDavid Somayajulu * before this calling routine: Hardware lock, and io_request_lock. 3323afaf5a2dSDavid Somayajulu **/ 3324f4f5df23SVikas Chaudhary static void qla4xxx_abort_active_cmds(struct scsi_qla_host *ha, int res) 3325afaf5a2dSDavid Somayajulu { 3326afaf5a2dSDavid Somayajulu struct srb *srb; 3327afaf5a2dSDavid Somayajulu int i; 3328afaf5a2dSDavid Somayajulu unsigned long flags; 3329afaf5a2dSDavid Somayajulu 3330afaf5a2dSDavid Somayajulu spin_lock_irqsave(&ha->hardware_lock, flags); 3331afaf5a2dSDavid Somayajulu for (i = 0; i < ha->host->can_queue; i++) { 3332afaf5a2dSDavid Somayajulu srb = qla4xxx_del_from_active_array(ha, i); 3333afaf5a2dSDavid Somayajulu if (srb != NULL) { 3334f4f5df23SVikas Chaudhary srb->cmd->result = res; 333509a0f719SVikas Chaudhary kref_put(&srb->srb_ref, qla4xxx_srb_compl); 3336afaf5a2dSDavid Somayajulu } 3337afaf5a2dSDavid Somayajulu } 3338afaf5a2dSDavid Somayajulu spin_unlock_irqrestore(&ha->hardware_lock, flags); 3339afaf5a2dSDavid Somayajulu } 3340afaf5a2dSDavid Somayajulu 3341f4f5df23SVikas Chaudhary void qla4xxx_dead_adapter_cleanup(struct scsi_qla_host *ha) 3342f4f5df23SVikas Chaudhary { 3343f4f5df23SVikas Chaudhary clear_bit(AF_ONLINE, &ha->flags); 3344f4f5df23SVikas Chaudhary 3345f4f5df23SVikas Chaudhary /* Disable the board */ 3346f4f5df23SVikas Chaudhary ql4_printk(KERN_INFO, ha, "Disabling the board\n"); 3347f4f5df23SVikas Chaudhary 3348f4f5df23SVikas Chaudhary qla4xxx_abort_active_cmds(ha, DID_NO_CONNECT << 16); 3349f4f5df23SVikas Chaudhary qla4xxx_mark_all_devices_missing(ha); 3350f4f5df23SVikas Chaudhary clear_bit(AF_INIT_DONE, &ha->flags); 3351f4f5df23SVikas Chaudhary } 3352f4f5df23SVikas Chaudhary 3353b3a271a9SManish Rangankar static void qla4xxx_fail_session(struct iscsi_cls_session *cls_session) 3354b3a271a9SManish Rangankar { 3355b3a271a9SManish Rangankar struct iscsi_session *sess; 3356b3a271a9SManish Rangankar struct ddb_entry *ddb_entry; 3357b3a271a9SManish Rangankar 3358b3a271a9SManish Rangankar sess = cls_session->dd_data; 3359b3a271a9SManish Rangankar ddb_entry = sess->dd_data; 3360b3a271a9SManish Rangankar ddb_entry->fw_ddb_device_state = DDB_DS_SESSION_FAILED; 336113483730SMike Christie 336213483730SMike Christie if (ddb_entry->ddb_type == FLASH_DDB) 336313483730SMike Christie iscsi_block_session(ddb_entry->sess); 336413483730SMike Christie else 336513483730SMike Christie iscsi_session_failure(cls_session->dd_data, 336613483730SMike Christie ISCSI_ERR_CONN_FAILED); 3367b3a271a9SManish Rangankar } 3368b3a271a9SManish Rangankar 3369afaf5a2dSDavid Somayajulu /** 3370afaf5a2dSDavid Somayajulu * qla4xxx_recover_adapter - recovers adapter after a fatal error 3371afaf5a2dSDavid Somayajulu * @ha: Pointer to host adapter structure. 3372afaf5a2dSDavid Somayajulu **/ 3373f4f5df23SVikas Chaudhary static int qla4xxx_recover_adapter(struct scsi_qla_host *ha) 3374afaf5a2dSDavid Somayajulu { 3375f4f5df23SVikas Chaudhary int status = QLA_ERROR; 3376f4f5df23SVikas Chaudhary uint8_t reset_chip = 0; 33778e0f3a66SSarang Radke uint32_t dev_state; 33789ee91a38SShyam Sunder unsigned long wait; 3379afaf5a2dSDavid Somayajulu 3380afaf5a2dSDavid Somayajulu /* Stall incoming I/O until we are done */ 3381f4f5df23SVikas Chaudhary scsi_block_requests(ha->host); 3382afaf5a2dSDavid Somayajulu clear_bit(AF_ONLINE, &ha->flags); 3383b3a271a9SManish Rangankar clear_bit(AF_LINK_UP, &ha->flags); 338450a29aecSMike Christie 3385f4f5df23SVikas Chaudhary DEBUG2(ql4_printk(KERN_INFO, ha, "%s: adapter OFFLINE\n", __func__)); 3386afaf5a2dSDavid Somayajulu 3387f4f5df23SVikas Chaudhary set_bit(DPC_RESET_ACTIVE, &ha->dpc_flags); 3388afaf5a2dSDavid Somayajulu 3389b37ca418SVikas Chaudhary if ((is_qla8032(ha) || is_qla8042(ha)) && 3390546fef27STej Parkash !test_bit(DPC_RESET_HA_FW_CONTEXT, &ha->dpc_flags)) { 3391546fef27STej Parkash ql4_printk(KERN_INFO, ha, "%s: disabling pause transmit on port 0 & 1.\n", 3392546fef27STej Parkash __func__); 3393546fef27STej Parkash /* disable pause frame for ISP83xx */ 3394546fef27STej Parkash qla4_83xx_disable_pause(ha); 3395546fef27STej Parkash } 3396546fef27STej Parkash 3397b3a271a9SManish Rangankar iscsi_host_for_each_session(ha->host, qla4xxx_fail_session); 3398b3a271a9SManish Rangankar 3399f4f5df23SVikas Chaudhary if (test_bit(DPC_RESET_HA, &ha->dpc_flags)) 3400f4f5df23SVikas Chaudhary reset_chip = 1; 3401afaf5a2dSDavid Somayajulu 3402f4f5df23SVikas Chaudhary /* For the DPC_RESET_HA_INTR case (ISP-4xxx specific) 3403f4f5df23SVikas Chaudhary * do not reset adapter, jump to initialize_adapter */ 3404f4f5df23SVikas Chaudhary if (test_bit(DPC_RESET_HA_INTR, &ha->dpc_flags)) { 3405f4f5df23SVikas Chaudhary status = QLA_SUCCESS; 3406f4f5df23SVikas Chaudhary goto recover_ha_init_adapter; 3407afaf5a2dSDavid Somayajulu } 3408afaf5a2dSDavid Somayajulu 34096e7b4292SVikas Chaudhary /* For the ISP-8xxx adapter, issue a stop_firmware if invoked 3410f4f5df23SVikas Chaudhary * from eh_host_reset or ioctl module */ 34116e7b4292SVikas Chaudhary if (is_qla80XX(ha) && !reset_chip && 3412f4f5df23SVikas Chaudhary test_bit(DPC_RESET_HA_FW_CONTEXT, &ha->dpc_flags)) { 3413f4f5df23SVikas Chaudhary 3414f4f5df23SVikas Chaudhary DEBUG2(ql4_printk(KERN_INFO, ha, 3415f4f5df23SVikas Chaudhary "scsi%ld: %s - Performing stop_firmware...\n", 3416f4f5df23SVikas Chaudhary ha->host_no, __func__)); 3417f4f5df23SVikas Chaudhary status = ha->isp_ops->reset_firmware(ha); 3418f4f5df23SVikas Chaudhary if (status == QLA_SUCCESS) { 34192bd1e2beSNilesh Javali if (!test_bit(AF_FW_RECOVERY, &ha->flags)) 3420f4f5df23SVikas Chaudhary qla4xxx_cmd_wait(ha); 34215c19b92aSVikas Chaudhary 3422f4f5df23SVikas Chaudhary ha->isp_ops->disable_intrs(ha); 3423f4f5df23SVikas Chaudhary qla4xxx_process_aen(ha, FLUSH_DDB_CHANGED_AENS); 3424f4f5df23SVikas Chaudhary qla4xxx_abort_active_cmds(ha, DID_RESET << 16); 3425f4f5df23SVikas Chaudhary } else { 3426f4f5df23SVikas Chaudhary /* If the stop_firmware fails then 3427f4f5df23SVikas Chaudhary * reset the entire chip */ 3428f4f5df23SVikas Chaudhary reset_chip = 1; 3429f4f5df23SVikas Chaudhary clear_bit(DPC_RESET_HA_FW_CONTEXT, &ha->dpc_flags); 3430f4f5df23SVikas Chaudhary set_bit(DPC_RESET_HA, &ha->dpc_flags); 3431f4f5df23SVikas Chaudhary } 3432f4f5df23SVikas Chaudhary } 3433f4f5df23SVikas Chaudhary 3434f4f5df23SVikas Chaudhary /* Issue full chip reset if recovering from a catastrophic error, 34356e7b4292SVikas Chaudhary * or if stop_firmware fails for ISP-8xxx. 3436f4f5df23SVikas Chaudhary * This is the default case for ISP-4xxx */ 3437ee996a69SVikas Chaudhary if (is_qla40XX(ha) || reset_chip) { 3438ee996a69SVikas Chaudhary if (is_qla40XX(ha)) 34399ee91a38SShyam Sunder goto chip_reset; 34409ee91a38SShyam Sunder 34416e7b4292SVikas Chaudhary /* Check if 8XXX firmware is alive or not 34429ee91a38SShyam Sunder * We may have arrived here from NEED_RESET 34439ee91a38SShyam Sunder * detection only */ 34449ee91a38SShyam Sunder if (test_bit(AF_FW_RECOVERY, &ha->flags)) 34459ee91a38SShyam Sunder goto chip_reset; 34469ee91a38SShyam Sunder 34479ee91a38SShyam Sunder wait = jiffies + (FW_ALIVE_WAIT_TOV * HZ); 34489ee91a38SShyam Sunder while (time_before(jiffies, wait)) { 34499ee91a38SShyam Sunder if (qla4_8xxx_check_fw_alive(ha)) { 34509ee91a38SShyam Sunder qla4xxx_mailbox_premature_completion(ha); 34519ee91a38SShyam Sunder break; 34529ee91a38SShyam Sunder } 34539ee91a38SShyam Sunder 34549ee91a38SShyam Sunder set_current_state(TASK_UNINTERRUPTIBLE); 34559ee91a38SShyam Sunder schedule_timeout(HZ); 34569ee91a38SShyam Sunder } 3457da106212SVikas Chaudhary chip_reset: 34582bd1e2beSNilesh Javali if (!test_bit(AF_FW_RECOVERY, &ha->flags)) 3459f4f5df23SVikas Chaudhary qla4xxx_cmd_wait(ha); 3460da106212SVikas Chaudhary 3461f4f5df23SVikas Chaudhary qla4xxx_process_aen(ha, FLUSH_DDB_CHANGED_AENS); 3462f4f5df23SVikas Chaudhary qla4xxx_abort_active_cmds(ha, DID_RESET << 16); 3463f4f5df23SVikas Chaudhary DEBUG2(ql4_printk(KERN_INFO, ha, 3464f4f5df23SVikas Chaudhary "scsi%ld: %s - Performing chip reset..\n", 3465f4f5df23SVikas Chaudhary ha->host_no, __func__)); 3466f4f5df23SVikas Chaudhary status = ha->isp_ops->reset_chip(ha); 3467f4f5df23SVikas Chaudhary } 3468f4f5df23SVikas Chaudhary 3469f4f5df23SVikas Chaudhary /* Flush any pending ddb changed AENs */ 3470f4f5df23SVikas Chaudhary qla4xxx_process_aen(ha, FLUSH_DDB_CHANGED_AENS); 3471f4f5df23SVikas Chaudhary 3472f4f5df23SVikas Chaudhary recover_ha_init_adapter: 3473f4f5df23SVikas Chaudhary /* Upon successful firmware/chip reset, re-initialize the adapter */ 3474f4f5df23SVikas Chaudhary if (status == QLA_SUCCESS) { 3475f4f5df23SVikas Chaudhary /* For ISP-4xxx, force function 1 to always initialize 3476f4f5df23SVikas Chaudhary * before function 3 to prevent both funcions from 3477f4f5df23SVikas Chaudhary * stepping on top of the other */ 3478ee996a69SVikas Chaudhary if (is_qla40XX(ha) && (ha->mac_index == 3)) 3479f4f5df23SVikas Chaudhary ssleep(6); 3480f4f5df23SVikas Chaudhary 3481f4f5df23SVikas Chaudhary /* NOTE: AF_ONLINE flag set upon successful completion of 3482f4f5df23SVikas Chaudhary * qla4xxx_initialize_adapter */ 348313483730SMike Christie status = qla4xxx_initialize_adapter(ha, RESET_ADAPTER); 3484f4f5df23SVikas Chaudhary } 3485f4f5df23SVikas Chaudhary 3486f4f5df23SVikas Chaudhary /* Retry failed adapter initialization, if necessary 3487f4f5df23SVikas Chaudhary * Do not retry initialize_adapter for RESET_HA_INTR (ISP-4xxx specific) 3488f4f5df23SVikas Chaudhary * case to prevent ping-pong resets between functions */ 3489f4f5df23SVikas Chaudhary if (!test_bit(AF_ONLINE, &ha->flags) && 3490f4f5df23SVikas Chaudhary !test_bit(DPC_RESET_HA_INTR, &ha->dpc_flags)) { 3491afaf5a2dSDavid Somayajulu /* Adapter initialization failed, see if we can retry 3492f4f5df23SVikas Chaudhary * resetting the ha. 3493f4f5df23SVikas Chaudhary * Since we don't want to block the DPC for too long 3494f4f5df23SVikas Chaudhary * with multiple resets in the same thread, 3495f4f5df23SVikas Chaudhary * utilize DPC to retry */ 34966e7b4292SVikas Chaudhary if (is_qla80XX(ha)) { 349733693c7aSVikas Chaudhary ha->isp_ops->idc_lock(ha); 349833693c7aSVikas Chaudhary dev_state = qla4_8xxx_rd_direct(ha, 349933693c7aSVikas Chaudhary QLA8XXX_CRB_DEV_STATE); 350033693c7aSVikas Chaudhary ha->isp_ops->idc_unlock(ha); 3501de8c72daSVikas Chaudhary if (dev_state == QLA8XXX_DEV_FAILED) { 35028e0f3a66SSarang Radke ql4_printk(KERN_INFO, ha, "%s: don't retry " 35038e0f3a66SSarang Radke "recover adapter. H/W is in Failed " 35048e0f3a66SSarang Radke "state\n", __func__); 35058e0f3a66SSarang Radke qla4xxx_dead_adapter_cleanup(ha); 35068e0f3a66SSarang Radke clear_bit(DPC_RETRY_RESET_HA, &ha->dpc_flags); 35078e0f3a66SSarang Radke clear_bit(DPC_RESET_HA, &ha->dpc_flags); 35088e0f3a66SSarang Radke clear_bit(DPC_RESET_HA_FW_CONTEXT, 35098e0f3a66SSarang Radke &ha->dpc_flags); 35108e0f3a66SSarang Radke status = QLA_ERROR; 35118e0f3a66SSarang Radke 35128e0f3a66SSarang Radke goto exit_recover; 35138e0f3a66SSarang Radke } 35148e0f3a66SSarang Radke } 35158e0f3a66SSarang Radke 3516afaf5a2dSDavid Somayajulu if (!test_bit(DPC_RETRY_RESET_HA, &ha->dpc_flags)) { 3517afaf5a2dSDavid Somayajulu ha->retry_reset_ha_cnt = MAX_RESET_HA_RETRIES; 3518afaf5a2dSDavid Somayajulu DEBUG2(printk("scsi%ld: recover adapter - retrying " 3519afaf5a2dSDavid Somayajulu "(%d) more times\n", ha->host_no, 3520afaf5a2dSDavid Somayajulu ha->retry_reset_ha_cnt)); 3521afaf5a2dSDavid Somayajulu set_bit(DPC_RETRY_RESET_HA, &ha->dpc_flags); 3522afaf5a2dSDavid Somayajulu status = QLA_ERROR; 3523afaf5a2dSDavid Somayajulu } else { 3524afaf5a2dSDavid Somayajulu if (ha->retry_reset_ha_cnt > 0) { 3525afaf5a2dSDavid Somayajulu /* Schedule another Reset HA--DPC will retry */ 3526afaf5a2dSDavid Somayajulu ha->retry_reset_ha_cnt--; 3527afaf5a2dSDavid Somayajulu DEBUG2(printk("scsi%ld: recover adapter - " 3528afaf5a2dSDavid Somayajulu "retry remaining %d\n", 3529afaf5a2dSDavid Somayajulu ha->host_no, 3530afaf5a2dSDavid Somayajulu ha->retry_reset_ha_cnt)); 3531afaf5a2dSDavid Somayajulu status = QLA_ERROR; 3532afaf5a2dSDavid Somayajulu } 3533afaf5a2dSDavid Somayajulu 3534afaf5a2dSDavid Somayajulu if (ha->retry_reset_ha_cnt == 0) { 3535afaf5a2dSDavid Somayajulu /* Recover adapter retries have been exhausted. 3536afaf5a2dSDavid Somayajulu * Adapter DEAD */ 3537afaf5a2dSDavid Somayajulu DEBUG2(printk("scsi%ld: recover adapter " 3538afaf5a2dSDavid Somayajulu "failed - board disabled\n", 3539afaf5a2dSDavid Somayajulu ha->host_no)); 3540f4f5df23SVikas Chaudhary qla4xxx_dead_adapter_cleanup(ha); 3541afaf5a2dSDavid Somayajulu clear_bit(DPC_RETRY_RESET_HA, &ha->dpc_flags); 3542afaf5a2dSDavid Somayajulu clear_bit(DPC_RESET_HA, &ha->dpc_flags); 3543f4f5df23SVikas Chaudhary clear_bit(DPC_RESET_HA_FW_CONTEXT, 3544afaf5a2dSDavid Somayajulu &ha->dpc_flags); 3545afaf5a2dSDavid Somayajulu status = QLA_ERROR; 3546afaf5a2dSDavid Somayajulu } 3547afaf5a2dSDavid Somayajulu } 3548afaf5a2dSDavid Somayajulu } else { 3549afaf5a2dSDavid Somayajulu clear_bit(DPC_RESET_HA, &ha->dpc_flags); 3550f4f5df23SVikas Chaudhary clear_bit(DPC_RESET_HA_FW_CONTEXT, &ha->dpc_flags); 3551afaf5a2dSDavid Somayajulu clear_bit(DPC_RETRY_RESET_HA, &ha->dpc_flags); 3552afaf5a2dSDavid Somayajulu } 3553afaf5a2dSDavid Somayajulu 35548e0f3a66SSarang Radke exit_recover: 3555afaf5a2dSDavid Somayajulu ha->adapter_error_count++; 3556afaf5a2dSDavid Somayajulu 3557f4f5df23SVikas Chaudhary if (test_bit(AF_ONLINE, &ha->flags)) 3558f4f5df23SVikas Chaudhary ha->isp_ops->enable_intrs(ha); 3559afaf5a2dSDavid Somayajulu 3560f4f5df23SVikas Chaudhary scsi_unblock_requests(ha->host); 3561f4f5df23SVikas Chaudhary 3562f4f5df23SVikas Chaudhary clear_bit(DPC_RESET_ACTIVE, &ha->dpc_flags); 3563f4f5df23SVikas Chaudhary DEBUG2(printk("scsi%ld: recover adapter: %s\n", ha->host_no, 356425985edcSLucas De Marchi status == QLA_ERROR ? "FAILED" : "SUCCEEDED")); 3565f4f5df23SVikas Chaudhary 3566afaf5a2dSDavid Somayajulu return status; 3567afaf5a2dSDavid Somayajulu } 3568afaf5a2dSDavid Somayajulu 3569b3a271a9SManish Rangankar static void qla4xxx_relogin_devices(struct iscsi_cls_session *cls_session) 3570b3a271a9SManish Rangankar { 3571b3a271a9SManish Rangankar struct iscsi_session *sess; 3572b3a271a9SManish Rangankar struct ddb_entry *ddb_entry; 3573b3a271a9SManish Rangankar struct scsi_qla_host *ha; 3574b3a271a9SManish Rangankar 3575b3a271a9SManish Rangankar sess = cls_session->dd_data; 3576b3a271a9SManish Rangankar ddb_entry = sess->dd_data; 3577b3a271a9SManish Rangankar ha = ddb_entry->ha; 3578b3a271a9SManish Rangankar if (!iscsi_is_session_online(cls_session)) { 3579b3a271a9SManish Rangankar if (ddb_entry->fw_ddb_device_state == DDB_DS_SESSION_ACTIVE) { 3580b3a271a9SManish Rangankar ql4_printk(KERN_INFO, ha, "scsi%ld: %s: ddb[%d]" 3581b3a271a9SManish Rangankar " unblock session\n", ha->host_no, __func__, 3582b3a271a9SManish Rangankar ddb_entry->fw_ddb_index); 3583b3a271a9SManish Rangankar iscsi_unblock_session(ddb_entry->sess); 3584b3a271a9SManish Rangankar } else { 3585b3a271a9SManish Rangankar /* Trigger relogin */ 358613483730SMike Christie if (ddb_entry->ddb_type == FLASH_DDB) { 358799c6a33bSAdheer Chandravanshi if (!(test_bit(DF_RELOGIN, &ddb_entry->flags) || 358899c6a33bSAdheer Chandravanshi test_bit(DF_DISABLE_RELOGIN, 358999c6a33bSAdheer Chandravanshi &ddb_entry->flags))) 359013483730SMike Christie qla4xxx_arm_relogin_timer(ddb_entry); 359113483730SMike Christie } else 3592b3a271a9SManish Rangankar iscsi_session_failure(cls_session->dd_data, 3593b3a271a9SManish Rangankar ISCSI_ERR_CONN_FAILED); 3594b3a271a9SManish Rangankar } 3595b3a271a9SManish Rangankar } 3596b3a271a9SManish Rangankar } 3597b3a271a9SManish Rangankar 359813483730SMike Christie int qla4xxx_unblock_flash_ddb(struct iscsi_cls_session *cls_session) 359913483730SMike Christie { 360013483730SMike Christie struct iscsi_session *sess; 360113483730SMike Christie struct ddb_entry *ddb_entry; 360213483730SMike Christie struct scsi_qla_host *ha; 360313483730SMike Christie 360413483730SMike Christie sess = cls_session->dd_data; 360513483730SMike Christie ddb_entry = sess->dd_data; 360613483730SMike Christie ha = ddb_entry->ha; 360713483730SMike Christie ql4_printk(KERN_INFO, ha, "scsi%ld: %s: ddb[%d]" 360813483730SMike Christie " unblock session\n", ha->host_no, __func__, 360913483730SMike Christie ddb_entry->fw_ddb_index); 361013483730SMike Christie 361113483730SMike Christie iscsi_unblock_session(ddb_entry->sess); 361213483730SMike Christie 361313483730SMike Christie /* Start scan target */ 361413483730SMike Christie if (test_bit(AF_ONLINE, &ha->flags)) { 361513483730SMike Christie ql4_printk(KERN_INFO, ha, "scsi%ld: %s: ddb[%d]" 361613483730SMike Christie " start scan\n", ha->host_no, __func__, 361713483730SMike Christie ddb_entry->fw_ddb_index); 361813483730SMike Christie scsi_queue_work(ha->host, &ddb_entry->sess->scan_work); 361913483730SMike Christie } 362013483730SMike Christie return QLA_SUCCESS; 362113483730SMike Christie } 362213483730SMike Christie 362313483730SMike Christie int qla4xxx_unblock_ddb(struct iscsi_cls_session *cls_session) 362413483730SMike Christie { 362513483730SMike Christie struct iscsi_session *sess; 362613483730SMike Christie struct ddb_entry *ddb_entry; 362713483730SMike Christie struct scsi_qla_host *ha; 362880c53e64SManish Rangankar int status = QLA_SUCCESS; 362913483730SMike Christie 363013483730SMike Christie sess = cls_session->dd_data; 363113483730SMike Christie ddb_entry = sess->dd_data; 363213483730SMike Christie ha = ddb_entry->ha; 363313483730SMike Christie ql4_printk(KERN_INFO, ha, "scsi%ld: %s: ddb[%d]" 363413483730SMike Christie " unblock user space session\n", ha->host_no, __func__, 363513483730SMike Christie ddb_entry->fw_ddb_index); 363680c53e64SManish Rangankar 363780c53e64SManish Rangankar if (!iscsi_is_session_online(cls_session)) { 363813483730SMike Christie iscsi_conn_start(ddb_entry->conn); 363913483730SMike Christie iscsi_conn_login_event(ddb_entry->conn, 364013483730SMike Christie ISCSI_CONN_STATE_LOGGED_IN); 364180c53e64SManish Rangankar } else { 364280c53e64SManish Rangankar ql4_printk(KERN_INFO, ha, 364380c53e64SManish Rangankar "scsi%ld: %s: ddb[%d] session [%d] already logged in\n", 364480c53e64SManish Rangankar ha->host_no, __func__, ddb_entry->fw_ddb_index, 364580c53e64SManish Rangankar cls_session->sid); 364680c53e64SManish Rangankar status = QLA_ERROR; 364780c53e64SManish Rangankar } 364813483730SMike Christie 364980c53e64SManish Rangankar return status; 365013483730SMike Christie } 365113483730SMike Christie 36522d7924e6SVikas Chaudhary static void qla4xxx_relogin_all_devices(struct scsi_qla_host *ha) 36532d7924e6SVikas Chaudhary { 3654b3a271a9SManish Rangankar iscsi_host_for_each_session(ha->host, qla4xxx_relogin_devices); 36552d7924e6SVikas Chaudhary } 36562d7924e6SVikas Chaudhary 365713483730SMike Christie static void qla4xxx_relogin_flash_ddb(struct iscsi_cls_session *cls_sess) 365813483730SMike Christie { 365913483730SMike Christie uint16_t relogin_timer; 366013483730SMike Christie struct iscsi_session *sess; 366113483730SMike Christie struct ddb_entry *ddb_entry; 366213483730SMike Christie struct scsi_qla_host *ha; 366313483730SMike Christie 366413483730SMike Christie sess = cls_sess->dd_data; 366513483730SMike Christie ddb_entry = sess->dd_data; 366613483730SMike Christie ha = ddb_entry->ha; 366713483730SMike Christie 366813483730SMike Christie relogin_timer = max(ddb_entry->default_relogin_timeout, 366913483730SMike Christie (uint16_t)RELOGIN_TOV); 367013483730SMike Christie atomic_set(&ddb_entry->relogin_timer, relogin_timer); 367113483730SMike Christie 367213483730SMike Christie DEBUG2(ql4_printk(KERN_INFO, ha, 367313483730SMike Christie "scsi%ld: Relogin index [%d]. TOV=%d\n", ha->host_no, 367413483730SMike Christie ddb_entry->fw_ddb_index, relogin_timer)); 367513483730SMike Christie 367613483730SMike Christie qla4xxx_login_flash_ddb(cls_sess); 367713483730SMike Christie } 367813483730SMike Christie 367913483730SMike Christie static void qla4xxx_dpc_relogin(struct iscsi_cls_session *cls_sess) 368013483730SMike Christie { 368113483730SMike Christie struct iscsi_session *sess; 368213483730SMike Christie struct ddb_entry *ddb_entry; 368313483730SMike Christie struct scsi_qla_host *ha; 368413483730SMike Christie 368513483730SMike Christie sess = cls_sess->dd_data; 368613483730SMike Christie ddb_entry = sess->dd_data; 368713483730SMike Christie ha = ddb_entry->ha; 368813483730SMike Christie 368913483730SMike Christie if (!(ddb_entry->ddb_type == FLASH_DDB)) 369013483730SMike Christie return; 369113483730SMike Christie 369299c6a33bSAdheer Chandravanshi if (test_bit(DF_DISABLE_RELOGIN, &ddb_entry->flags)) 369399c6a33bSAdheer Chandravanshi return; 369499c6a33bSAdheer Chandravanshi 369513483730SMike Christie if (test_and_clear_bit(DF_RELOGIN, &ddb_entry->flags) && 369613483730SMike Christie !iscsi_is_session_online(cls_sess)) { 369713483730SMike Christie DEBUG2(ql4_printk(KERN_INFO, ha, 369813483730SMike Christie "relogin issued\n")); 369913483730SMike Christie qla4xxx_relogin_flash_ddb(cls_sess); 370013483730SMike Christie } 370113483730SMike Christie } 370213483730SMike Christie 3703f4f5df23SVikas Chaudhary void qla4xxx_wake_dpc(struct scsi_qla_host *ha) 3704f4f5df23SVikas Chaudhary { 37051b46807eSLalit Chandivade if (ha->dpc_thread) 3706f4f5df23SVikas Chaudhary queue_work(ha->dpc_thread, &ha->dpc_work); 3707f4f5df23SVikas Chaudhary } 3708f4f5df23SVikas Chaudhary 3709ff884430SVikas Chaudhary static struct qla4_work_evt * 3710ff884430SVikas Chaudhary qla4xxx_alloc_work(struct scsi_qla_host *ha, uint32_t data_size, 3711ff884430SVikas Chaudhary enum qla4_work_type type) 3712ff884430SVikas Chaudhary { 3713ff884430SVikas Chaudhary struct qla4_work_evt *e; 3714ff884430SVikas Chaudhary uint32_t size = sizeof(struct qla4_work_evt) + data_size; 3715ff884430SVikas Chaudhary 3716ff884430SVikas Chaudhary e = kzalloc(size, GFP_ATOMIC); 3717ff884430SVikas Chaudhary if (!e) 3718ff884430SVikas Chaudhary return NULL; 3719ff884430SVikas Chaudhary 3720ff884430SVikas Chaudhary INIT_LIST_HEAD(&e->list); 3721ff884430SVikas Chaudhary e->type = type; 3722ff884430SVikas Chaudhary return e; 3723ff884430SVikas Chaudhary } 3724ff884430SVikas Chaudhary 3725ff884430SVikas Chaudhary static void qla4xxx_post_work(struct scsi_qla_host *ha, 3726ff884430SVikas Chaudhary struct qla4_work_evt *e) 3727ff884430SVikas Chaudhary { 3728ff884430SVikas Chaudhary unsigned long flags; 3729ff884430SVikas Chaudhary 3730ff884430SVikas Chaudhary spin_lock_irqsave(&ha->work_lock, flags); 3731ff884430SVikas Chaudhary list_add_tail(&e->list, &ha->work_list); 3732ff884430SVikas Chaudhary spin_unlock_irqrestore(&ha->work_lock, flags); 3733ff884430SVikas Chaudhary qla4xxx_wake_dpc(ha); 3734ff884430SVikas Chaudhary } 3735ff884430SVikas Chaudhary 3736ff884430SVikas Chaudhary int qla4xxx_post_aen_work(struct scsi_qla_host *ha, 3737ff884430SVikas Chaudhary enum iscsi_host_event_code aen_code, 3738ff884430SVikas Chaudhary uint32_t data_size, uint8_t *data) 3739ff884430SVikas Chaudhary { 3740ff884430SVikas Chaudhary struct qla4_work_evt *e; 3741ff884430SVikas Chaudhary 3742ff884430SVikas Chaudhary e = qla4xxx_alloc_work(ha, data_size, QLA4_EVENT_AEN); 3743ff884430SVikas Chaudhary if (!e) 3744ff884430SVikas Chaudhary return QLA_ERROR; 3745ff884430SVikas Chaudhary 3746ff884430SVikas Chaudhary e->u.aen.code = aen_code; 3747ff884430SVikas Chaudhary e->u.aen.data_size = data_size; 3748ff884430SVikas Chaudhary memcpy(e->u.aen.data, data, data_size); 3749ff884430SVikas Chaudhary 3750ff884430SVikas Chaudhary qla4xxx_post_work(ha, e); 3751ff884430SVikas Chaudhary 3752ff884430SVikas Chaudhary return QLA_SUCCESS; 3753ff884430SVikas Chaudhary } 3754ff884430SVikas Chaudhary 3755c0b9d3f7SVikas Chaudhary int qla4xxx_post_ping_evt_work(struct scsi_qla_host *ha, 3756c0b9d3f7SVikas Chaudhary uint32_t status, uint32_t pid, 3757c0b9d3f7SVikas Chaudhary uint32_t data_size, uint8_t *data) 3758c0b9d3f7SVikas Chaudhary { 3759c0b9d3f7SVikas Chaudhary struct qla4_work_evt *e; 3760c0b9d3f7SVikas Chaudhary 3761c0b9d3f7SVikas Chaudhary e = qla4xxx_alloc_work(ha, data_size, QLA4_EVENT_PING_STATUS); 3762c0b9d3f7SVikas Chaudhary if (!e) 3763c0b9d3f7SVikas Chaudhary return QLA_ERROR; 3764c0b9d3f7SVikas Chaudhary 3765c0b9d3f7SVikas Chaudhary e->u.ping.status = status; 3766c0b9d3f7SVikas Chaudhary e->u.ping.pid = pid; 3767c0b9d3f7SVikas Chaudhary e->u.ping.data_size = data_size; 3768c0b9d3f7SVikas Chaudhary memcpy(e->u.ping.data, data, data_size); 3769c0b9d3f7SVikas Chaudhary 3770c0b9d3f7SVikas Chaudhary qla4xxx_post_work(ha, e); 3771c0b9d3f7SVikas Chaudhary 3772c0b9d3f7SVikas Chaudhary return QLA_SUCCESS; 3773c0b9d3f7SVikas Chaudhary } 3774c0b9d3f7SVikas Chaudhary 3775a7380a65SVikas Chaudhary static void qla4xxx_do_work(struct scsi_qla_host *ha) 3776ff884430SVikas Chaudhary { 3777ff884430SVikas Chaudhary struct qla4_work_evt *e, *tmp; 3778ff884430SVikas Chaudhary unsigned long flags; 3779ff884430SVikas Chaudhary LIST_HEAD(work); 3780ff884430SVikas Chaudhary 3781ff884430SVikas Chaudhary spin_lock_irqsave(&ha->work_lock, flags); 3782ff884430SVikas Chaudhary list_splice_init(&ha->work_list, &work); 3783ff884430SVikas Chaudhary spin_unlock_irqrestore(&ha->work_lock, flags); 3784ff884430SVikas Chaudhary 3785ff884430SVikas Chaudhary list_for_each_entry_safe(e, tmp, &work, list) { 3786ff884430SVikas Chaudhary list_del_init(&e->list); 3787ff884430SVikas Chaudhary 3788ff884430SVikas Chaudhary switch (e->type) { 3789ff884430SVikas Chaudhary case QLA4_EVENT_AEN: 3790ff884430SVikas Chaudhary iscsi_post_host_event(ha->host_no, 3791ff884430SVikas Chaudhary &qla4xxx_iscsi_transport, 3792ff884430SVikas Chaudhary e->u.aen.code, 3793ff884430SVikas Chaudhary e->u.aen.data_size, 3794ff884430SVikas Chaudhary e->u.aen.data); 3795ff884430SVikas Chaudhary break; 3796c0b9d3f7SVikas Chaudhary case QLA4_EVENT_PING_STATUS: 3797c0b9d3f7SVikas Chaudhary iscsi_ping_comp_event(ha->host_no, 3798c0b9d3f7SVikas Chaudhary &qla4xxx_iscsi_transport, 3799c0b9d3f7SVikas Chaudhary e->u.ping.status, 3800c0b9d3f7SVikas Chaudhary e->u.ping.pid, 3801c0b9d3f7SVikas Chaudhary e->u.ping.data_size, 3802c0b9d3f7SVikas Chaudhary e->u.ping.data); 3803c0b9d3f7SVikas Chaudhary break; 3804ff884430SVikas Chaudhary default: 3805ff884430SVikas Chaudhary ql4_printk(KERN_WARNING, ha, "event type: 0x%x not " 3806ff884430SVikas Chaudhary "supported", e->type); 3807ff884430SVikas Chaudhary } 3808ff884430SVikas Chaudhary kfree(e); 3809ff884430SVikas Chaudhary } 3810ff884430SVikas Chaudhary } 3811ff884430SVikas Chaudhary 3812afaf5a2dSDavid Somayajulu /** 3813afaf5a2dSDavid Somayajulu * qla4xxx_do_dpc - dpc routine 3814afaf5a2dSDavid Somayajulu * @data: in our case pointer to adapter structure 3815afaf5a2dSDavid Somayajulu * 3816afaf5a2dSDavid Somayajulu * This routine is a task that is schedule by the interrupt handler 3817afaf5a2dSDavid Somayajulu * to perform the background processing for interrupts. We put it 3818afaf5a2dSDavid Somayajulu * on a task queue that is consumed whenever the scheduler runs; that's 3819afaf5a2dSDavid Somayajulu * so you can do anything (i.e. put the process to sleep etc). In fact, 3820afaf5a2dSDavid Somayajulu * the mid-level tries to sleep when it reaches the driver threshold 3821afaf5a2dSDavid Somayajulu * "host->can_queue". This can cause a panic if we were in our interrupt code. 3822afaf5a2dSDavid Somayajulu **/ 3823c4028958SDavid Howells static void qla4xxx_do_dpc(struct work_struct *work) 3824afaf5a2dSDavid Somayajulu { 3825c4028958SDavid Howells struct scsi_qla_host *ha = 3826c4028958SDavid Howells container_of(work, struct scsi_qla_host, dpc_work); 3827477ffb9dSDavid C Somayajulu int status = QLA_ERROR; 3828afaf5a2dSDavid Somayajulu 3829f26b9044SDavid C Somayajulu DEBUG2(printk("scsi%ld: %s: DPC handler waking up." 3830f4f5df23SVikas Chaudhary "flags = 0x%08lx, dpc_flags = 0x%08lx\n", 3831f4f5df23SVikas Chaudhary ha->host_no, __func__, ha->flags, ha->dpc_flags)) 3832afaf5a2dSDavid Somayajulu 3833afaf5a2dSDavid Somayajulu /* Initialization not yet finished. Don't do anything yet. */ 3834afaf5a2dSDavid Somayajulu if (!test_bit(AF_INIT_DONE, &ha->flags)) 38351b46807eSLalit Chandivade return; 3836afaf5a2dSDavid Somayajulu 38372232be0dSLalit Chandivade if (test_bit(AF_EEH_BUSY, &ha->flags)) { 38382232be0dSLalit Chandivade DEBUG2(printk(KERN_INFO "scsi%ld: %s: flags = %lx\n", 38392232be0dSLalit Chandivade ha->host_no, __func__, ha->flags)); 38401b46807eSLalit Chandivade return; 38412232be0dSLalit Chandivade } 38422232be0dSLalit Chandivade 3843ff884430SVikas Chaudhary /* post events to application */ 3844ff884430SVikas Chaudhary qla4xxx_do_work(ha); 3845ff884430SVikas Chaudhary 38466e7b4292SVikas Chaudhary if (is_qla80XX(ha)) { 3847f4f5df23SVikas Chaudhary if (test_bit(DPC_HA_UNRECOVERABLE, &ha->dpc_flags)) { 3848b37ca418SVikas Chaudhary if (is_qla8032(ha) || is_qla8042(ha)) { 3849546fef27STej Parkash ql4_printk(KERN_INFO, ha, "%s: disabling pause transmit on port 0 & 1.\n", 3850546fef27STej Parkash __func__); 3851546fef27STej Parkash /* disable pause frame for ISP83xx */ 3852546fef27STej Parkash qla4_83xx_disable_pause(ha); 3853546fef27STej Parkash } 3854546fef27STej Parkash 385533693c7aSVikas Chaudhary ha->isp_ops->idc_lock(ha); 385633693c7aSVikas Chaudhary qla4_8xxx_wr_direct(ha, QLA8XXX_CRB_DEV_STATE, 3857de8c72daSVikas Chaudhary QLA8XXX_DEV_FAILED); 385833693c7aSVikas Chaudhary ha->isp_ops->idc_unlock(ha); 3859f4f5df23SVikas Chaudhary ql4_printk(KERN_INFO, ha, "HW State: FAILED\n"); 3860f4f5df23SVikas Chaudhary qla4_8xxx_device_state_handler(ha); 3861f4f5df23SVikas Chaudhary } 3862320a61deSNilesh Javali 38637ab284c9SNilesh Javali if (test_bit(DPC_POST_IDC_ACK, &ha->dpc_flags)) { 38647ab284c9SNilesh Javali if (is_qla8042(ha)) { 38657ab284c9SNilesh Javali if (ha->idc_info.info2 & 38667ab284c9SNilesh Javali ENABLE_INTERNAL_LOOPBACK) { 38677ab284c9SNilesh Javali ql4_printk(KERN_INFO, ha, "%s: Disabling ACB\n", 38687ab284c9SNilesh Javali __func__); 38697ab284c9SNilesh Javali status = qla4_84xx_config_acb(ha, 38707ab284c9SNilesh Javali ACB_CONFIG_DISABLE); 38717ab284c9SNilesh Javali if (status != QLA_SUCCESS) { 38727ab284c9SNilesh Javali ql4_printk(KERN_INFO, ha, "%s: ACB config failed\n", 38737ab284c9SNilesh Javali __func__); 38747ab284c9SNilesh Javali } 38757ab284c9SNilesh Javali } 38767ab284c9SNilesh Javali } 3877320a61deSNilesh Javali qla4_83xx_post_idc_ack(ha); 38787ab284c9SNilesh Javali clear_bit(DPC_POST_IDC_ACK, &ha->dpc_flags); 38797ab284c9SNilesh Javali } 38807ab284c9SNilesh Javali 38817ab284c9SNilesh Javali if (is_qla8042(ha) && 38827ab284c9SNilesh Javali test_bit(DPC_RESTORE_ACB, &ha->dpc_flags)) { 38837ab284c9SNilesh Javali ql4_printk(KERN_INFO, ha, "%s: Restoring ACB\n", 38847ab284c9SNilesh Javali __func__); 38857ab284c9SNilesh Javali if (qla4_84xx_config_acb(ha, ACB_CONFIG_SET) != 38867ab284c9SNilesh Javali QLA_SUCCESS) { 38877ab284c9SNilesh Javali ql4_printk(KERN_INFO, ha, "%s: ACB config failed ", 38887ab284c9SNilesh Javali __func__); 38897ab284c9SNilesh Javali } 38907ab284c9SNilesh Javali clear_bit(DPC_RESTORE_ACB, &ha->dpc_flags); 38917ab284c9SNilesh Javali } 3892320a61deSNilesh Javali 3893f4f5df23SVikas Chaudhary if (test_and_clear_bit(DPC_HA_NEED_QUIESCENT, &ha->dpc_flags)) { 3894f4f5df23SVikas Chaudhary qla4_8xxx_need_qsnt_handler(ha); 3895f4f5df23SVikas Chaudhary } 3896f4f5df23SVikas Chaudhary } 3897f4f5df23SVikas Chaudhary 3898f4f5df23SVikas Chaudhary if (!test_bit(DPC_RESET_ACTIVE, &ha->dpc_flags) && 3899f4f5df23SVikas Chaudhary (test_bit(DPC_RESET_HA, &ha->dpc_flags) || 3900afaf5a2dSDavid Somayajulu test_bit(DPC_RESET_HA_INTR, &ha->dpc_flags) || 3901f4f5df23SVikas Chaudhary test_bit(DPC_RESET_HA_FW_CONTEXT, &ha->dpc_flags))) { 39026e7b4292SVikas Chaudhary if ((is_qla8022(ha) && ql4xdontresethba) || 3903b37ca418SVikas Chaudhary ((is_qla8032(ha) || is_qla8042(ha)) && 3904b37ca418SVikas Chaudhary qla4_83xx_idc_dontreset(ha))) { 3905f4f5df23SVikas Chaudhary DEBUG2(printk("scsi%ld: %s: Don't Reset HBA\n", 3906f4f5df23SVikas Chaudhary ha->host_no, __func__)); 3907f4f5df23SVikas Chaudhary clear_bit(DPC_RESET_HA, &ha->dpc_flags); 3908f4f5df23SVikas Chaudhary clear_bit(DPC_RESET_HA_INTR, &ha->dpc_flags); 3909f4f5df23SVikas Chaudhary clear_bit(DPC_RESET_HA_FW_CONTEXT, &ha->dpc_flags); 3910f4f5df23SVikas Chaudhary goto dpc_post_reset_ha; 3911f4f5df23SVikas Chaudhary } 3912f4f5df23SVikas Chaudhary if (test_bit(DPC_RESET_HA_FW_CONTEXT, &ha->dpc_flags) || 3913f26b9044SDavid C Somayajulu test_bit(DPC_RESET_HA, &ha->dpc_flags)) 3914f4f5df23SVikas Chaudhary qla4xxx_recover_adapter(ha); 3915afaf5a2dSDavid Somayajulu 3916477ffb9dSDavid C Somayajulu if (test_bit(DPC_RESET_HA_INTR, &ha->dpc_flags)) { 3917afaf5a2dSDavid Somayajulu uint8_t wait_time = RESET_INTR_TOV; 3918afaf5a2dSDavid Somayajulu 3919afaf5a2dSDavid Somayajulu while ((readw(&ha->reg->ctrl_status) & 3920afaf5a2dSDavid Somayajulu (CSR_SOFT_RESET | CSR_FORCE_SOFT_RESET)) != 0) { 3921afaf5a2dSDavid Somayajulu if (--wait_time == 0) 3922afaf5a2dSDavid Somayajulu break; 3923afaf5a2dSDavid Somayajulu msleep(1000); 3924afaf5a2dSDavid Somayajulu } 3925afaf5a2dSDavid Somayajulu if (wait_time == 0) 3926afaf5a2dSDavid Somayajulu DEBUG2(printk("scsi%ld: %s: SR|FSR " 3927afaf5a2dSDavid Somayajulu "bit not cleared-- resetting\n", 3928afaf5a2dSDavid Somayajulu ha->host_no, __func__)); 3929f4f5df23SVikas Chaudhary qla4xxx_abort_active_cmds(ha, DID_RESET << 16); 3930477ffb9dSDavid C Somayajulu if (ql4xxx_lock_drvr_wait(ha) == QLA_SUCCESS) { 3931477ffb9dSDavid C Somayajulu qla4xxx_process_aen(ha, FLUSH_DDB_CHANGED_AENS); 3932f4f5df23SVikas Chaudhary status = qla4xxx_recover_adapter(ha); 3933477ffb9dSDavid C Somayajulu } 3934477ffb9dSDavid C Somayajulu clear_bit(DPC_RESET_HA_INTR, &ha->dpc_flags); 3935477ffb9dSDavid C Somayajulu if (status == QLA_SUCCESS) 3936f4f5df23SVikas Chaudhary ha->isp_ops->enable_intrs(ha); 3937afaf5a2dSDavid Somayajulu } 3938afaf5a2dSDavid Somayajulu } 3939afaf5a2dSDavid Somayajulu 3940f4f5df23SVikas Chaudhary dpc_post_reset_ha: 3941afaf5a2dSDavid Somayajulu /* ---- process AEN? --- */ 3942afaf5a2dSDavid Somayajulu if (test_and_clear_bit(DPC_AEN, &ha->dpc_flags)) 3943afaf5a2dSDavid Somayajulu qla4xxx_process_aen(ha, PROCESS_ALL_AENS); 3944afaf5a2dSDavid Somayajulu 3945afaf5a2dSDavid Somayajulu /* ---- Get DHCP IP Address? --- */ 3946afaf5a2dSDavid Somayajulu if (test_and_clear_bit(DPC_GET_DHCP_IP_ADDR, &ha->dpc_flags)) 3947afaf5a2dSDavid Somayajulu qla4xxx_get_dhcp_ip_address(ha); 3948afaf5a2dSDavid Somayajulu 394913483730SMike Christie /* ---- relogin device? --- */ 395013483730SMike Christie if (adapter_up(ha) && 395113483730SMike Christie test_and_clear_bit(DPC_RELOGIN_DEVICE, &ha->dpc_flags)) { 395213483730SMike Christie iscsi_host_for_each_session(ha->host, qla4xxx_dpc_relogin); 395313483730SMike Christie } 395413483730SMike Christie 3955065aa1b4SVikas Chaudhary /* ---- link change? --- */ 3956026fbd3aSNilesh Javali if (!test_bit(AF_LOOPBACK, &ha->flags) && 3957026fbd3aSNilesh Javali test_and_clear_bit(DPC_LINK_CHANGED, &ha->dpc_flags)) { 3958065aa1b4SVikas Chaudhary if (!test_bit(AF_LINK_UP, &ha->flags)) { 3959065aa1b4SVikas Chaudhary /* ---- link down? --- */ 39602d7924e6SVikas Chaudhary qla4xxx_mark_all_devices_missing(ha); 3961065aa1b4SVikas Chaudhary } else { 3962065aa1b4SVikas Chaudhary /* ---- link up? --- * 3963065aa1b4SVikas Chaudhary * F/W will auto login to all devices ONLY ONCE after 3964065aa1b4SVikas Chaudhary * link up during driver initialization and runtime 3965065aa1b4SVikas Chaudhary * fatal error recovery. Therefore, the driver must 3966065aa1b4SVikas Chaudhary * manually relogin to devices when recovering from 3967065aa1b4SVikas Chaudhary * connection failures, logouts, expired KATO, etc. */ 396813483730SMike Christie if (test_and_clear_bit(AF_BUILD_DDB_LIST, &ha->flags)) { 396913483730SMike Christie qla4xxx_build_ddb_list(ha, ha->is_reset); 397013483730SMike Christie iscsi_host_for_each_session(ha->host, 397113483730SMike Christie qla4xxx_login_flash_ddb); 397213483730SMike Christie } else 39732d7924e6SVikas Chaudhary qla4xxx_relogin_all_devices(ha); 3974065aa1b4SVikas Chaudhary } 3975065aa1b4SVikas Chaudhary } 3976afaf5a2dSDavid Somayajulu } 3977afaf5a2dSDavid Somayajulu 3978afaf5a2dSDavid Somayajulu /** 3979afaf5a2dSDavid Somayajulu * qla4xxx_free_adapter - release the adapter 3980afaf5a2dSDavid Somayajulu * @ha: pointer to adapter structure 3981afaf5a2dSDavid Somayajulu **/ 3982afaf5a2dSDavid Somayajulu static void qla4xxx_free_adapter(struct scsi_qla_host *ha) 3983afaf5a2dSDavid Somayajulu { 39848a288960SSarang Radke qla4xxx_abort_active_cmds(ha, DID_NO_CONNECT << 16); 3985afaf5a2dSDavid Somayajulu 3986afaf5a2dSDavid Somayajulu /* Turn-off interrupts on the card. */ 3987f4f5df23SVikas Chaudhary ha->isp_ops->disable_intrs(ha); 3988afaf5a2dSDavid Somayajulu 3989d9e62e51SVikas Chaudhary if (is_qla40XX(ha)) { 3990d9e62e51SVikas Chaudhary writel(set_rmask(CSR_SCSI_PROCESSOR_INTR), 3991d9e62e51SVikas Chaudhary &ha->reg->ctrl_status); 3992d9e62e51SVikas Chaudhary readl(&ha->reg->ctrl_status); 3993d9e62e51SVikas Chaudhary } else if (is_qla8022(ha)) { 39947664a1fdSVikas Chaudhary writel(0, &ha->qla4_82xx_reg->host_int); 39957664a1fdSVikas Chaudhary readl(&ha->qla4_82xx_reg->host_int); 3996b37ca418SVikas Chaudhary } else if (is_qla8032(ha) || is_qla8042(ha)) { 3997fbd8107cSVikas Chaudhary writel(0, &ha->qla4_83xx_reg->risc_intr); 3998fbd8107cSVikas Chaudhary readl(&ha->qla4_83xx_reg->risc_intr); 3999d9e62e51SVikas Chaudhary } 4000d9e62e51SVikas Chaudhary 4001afaf5a2dSDavid Somayajulu /* Remove timer thread, if present */ 4002afaf5a2dSDavid Somayajulu if (ha->timer_active) 4003afaf5a2dSDavid Somayajulu qla4xxx_stop_timer(ha); 4004afaf5a2dSDavid Somayajulu 4005f4f5df23SVikas Chaudhary /* Kill the kernel thread for this host */ 4006f4f5df23SVikas Chaudhary if (ha->dpc_thread) 4007f4f5df23SVikas Chaudhary destroy_workqueue(ha->dpc_thread); 4008f4f5df23SVikas Chaudhary 4009b3a271a9SManish Rangankar /* Kill the kernel thread for this host */ 4010b3a271a9SManish Rangankar if (ha->task_wq) 4011b3a271a9SManish Rangankar destroy_workqueue(ha->task_wq); 4012b3a271a9SManish Rangankar 4013f4f5df23SVikas Chaudhary /* Put firmware in known state */ 4014f4f5df23SVikas Chaudhary ha->isp_ops->reset_firmware(ha); 4015f4f5df23SVikas Chaudhary 40166e7b4292SVikas Chaudhary if (is_qla80XX(ha)) { 401733693c7aSVikas Chaudhary ha->isp_ops->idc_lock(ha); 4018f4f5df23SVikas Chaudhary qla4_8xxx_clear_drv_active(ha); 401933693c7aSVikas Chaudhary ha->isp_ops->idc_unlock(ha); 4020f4f5df23SVikas Chaudhary } 4021f4f5df23SVikas Chaudhary 4022afaf5a2dSDavid Somayajulu /* Detach interrupts */ 4023f4f5df23SVikas Chaudhary qla4xxx_free_irqs(ha); 4024afaf5a2dSDavid Somayajulu 4025bee4fe8eSDavid C Somayajulu /* free extra memory */ 4026bee4fe8eSDavid C Somayajulu qla4xxx_mem_free(ha); 4027f4f5df23SVikas Chaudhary } 4028bee4fe8eSDavid C Somayajulu 4029f4f5df23SVikas Chaudhary int qla4_8xxx_iospace_config(struct scsi_qla_host *ha) 4030f4f5df23SVikas Chaudhary { 4031f4f5df23SVikas Chaudhary int status = 0; 4032f4f5df23SVikas Chaudhary unsigned long mem_base, mem_len, db_base, db_len; 4033f4f5df23SVikas Chaudhary struct pci_dev *pdev = ha->pdev; 4034afaf5a2dSDavid Somayajulu 4035f4f5df23SVikas Chaudhary status = pci_request_regions(pdev, DRIVER_NAME); 4036f4f5df23SVikas Chaudhary if (status) { 4037f4f5df23SVikas Chaudhary printk(KERN_WARNING 4038f4f5df23SVikas Chaudhary "scsi(%ld) Failed to reserve PIO regions (%s) " 4039f4f5df23SVikas Chaudhary "status=%d\n", ha->host_no, pci_name(pdev), status); 4040f4f5df23SVikas Chaudhary goto iospace_error_exit; 4041f4f5df23SVikas Chaudhary } 4042f4f5df23SVikas Chaudhary 4043f4f5df23SVikas Chaudhary DEBUG2(printk(KERN_INFO "%s: revision-id=%d\n", 40447d7311c4SSergei Shtylyov __func__, pdev->revision)); 40457d7311c4SSergei Shtylyov ha->revision_id = pdev->revision; 4046f4f5df23SVikas Chaudhary 4047f4f5df23SVikas Chaudhary /* remap phys address */ 4048f4f5df23SVikas Chaudhary mem_base = pci_resource_start(pdev, 0); /* 0 is for BAR 0 */ 4049f4f5df23SVikas Chaudhary mem_len = pci_resource_len(pdev, 0); 4050f4f5df23SVikas Chaudhary DEBUG2(printk(KERN_INFO "%s: ioremap from %lx a size of %lx\n", 4051f4f5df23SVikas Chaudhary __func__, mem_base, mem_len)); 4052f4f5df23SVikas Chaudhary 4053f4f5df23SVikas Chaudhary /* mapping of pcibase pointer */ 4054f4f5df23SVikas Chaudhary ha->nx_pcibase = (unsigned long)ioremap(mem_base, mem_len); 4055f4f5df23SVikas Chaudhary if (!ha->nx_pcibase) { 4056f4f5df23SVikas Chaudhary printk(KERN_ERR 4057f4f5df23SVikas Chaudhary "cannot remap MMIO (%s), aborting\n", pci_name(pdev)); 4058f4f5df23SVikas Chaudhary pci_release_regions(ha->pdev); 4059f4f5df23SVikas Chaudhary goto iospace_error_exit; 4060f4f5df23SVikas Chaudhary } 4061f4f5df23SVikas Chaudhary 4062f4f5df23SVikas Chaudhary /* Mapping of IO base pointer, door bell read and write pointer */ 4063f4f5df23SVikas Chaudhary 4064f4f5df23SVikas Chaudhary /* mapping of IO base pointer */ 40656e7b4292SVikas Chaudhary if (is_qla8022(ha)) { 40666e7b4292SVikas Chaudhary ha->qla4_82xx_reg = (struct device_reg_82xx __iomem *) 40676e7b4292SVikas Chaudhary ((uint8_t *)ha->nx_pcibase + 0xbc000 + 40686e7b4292SVikas Chaudhary (ha->pdev->devfn << 11)); 40696e7b4292SVikas Chaudhary ha->nx_db_wr_ptr = (ha->pdev->devfn == 4 ? QLA82XX_CAM_RAM_DB1 : 40706e7b4292SVikas Chaudhary QLA82XX_CAM_RAM_DB2); 4071b37ca418SVikas Chaudhary } else if (is_qla8032(ha) || is_qla8042(ha)) { 40726e7b4292SVikas Chaudhary ha->qla4_83xx_reg = (struct device_reg_83xx __iomem *) 40736e7b4292SVikas Chaudhary ((uint8_t *)ha->nx_pcibase); 40746e7b4292SVikas Chaudhary } 4075f4f5df23SVikas Chaudhary 4076f4f5df23SVikas Chaudhary db_base = pci_resource_start(pdev, 4); /* doorbell is on bar 4 */ 4077f4f5df23SVikas Chaudhary db_len = pci_resource_len(pdev, 4); 4078f4f5df23SVikas Chaudhary 40792657c800SShyam Sundar return 0; 4080f4f5df23SVikas Chaudhary iospace_error_exit: 4081f4f5df23SVikas Chaudhary return -ENOMEM; 4082afaf5a2dSDavid Somayajulu } 4083afaf5a2dSDavid Somayajulu 4084afaf5a2dSDavid Somayajulu /*** 4085afaf5a2dSDavid Somayajulu * qla4xxx_iospace_config - maps registers 4086afaf5a2dSDavid Somayajulu * @ha: pointer to adapter structure 4087afaf5a2dSDavid Somayajulu * 4088afaf5a2dSDavid Somayajulu * This routines maps HBA's registers from the pci address space 4089afaf5a2dSDavid Somayajulu * into the kernel virtual address space for memory mapped i/o. 4090afaf5a2dSDavid Somayajulu **/ 4091f4f5df23SVikas Chaudhary int qla4xxx_iospace_config(struct scsi_qla_host *ha) 4092afaf5a2dSDavid Somayajulu { 4093afaf5a2dSDavid Somayajulu unsigned long pio, pio_len, pio_flags; 4094afaf5a2dSDavid Somayajulu unsigned long mmio, mmio_len, mmio_flags; 4095afaf5a2dSDavid Somayajulu 4096afaf5a2dSDavid Somayajulu pio = pci_resource_start(ha->pdev, 0); 4097afaf5a2dSDavid Somayajulu pio_len = pci_resource_len(ha->pdev, 0); 4098afaf5a2dSDavid Somayajulu pio_flags = pci_resource_flags(ha->pdev, 0); 4099afaf5a2dSDavid Somayajulu if (pio_flags & IORESOURCE_IO) { 4100afaf5a2dSDavid Somayajulu if (pio_len < MIN_IOBASE_LEN) { 4101c2660df3SVikas Chaudhary ql4_printk(KERN_WARNING, ha, 4102afaf5a2dSDavid Somayajulu "Invalid PCI I/O region size\n"); 4103afaf5a2dSDavid Somayajulu pio = 0; 4104afaf5a2dSDavid Somayajulu } 4105afaf5a2dSDavid Somayajulu } else { 4106c2660df3SVikas Chaudhary ql4_printk(KERN_WARNING, ha, "region #0 not a PIO resource\n"); 4107afaf5a2dSDavid Somayajulu pio = 0; 4108afaf5a2dSDavid Somayajulu } 4109afaf5a2dSDavid Somayajulu 4110afaf5a2dSDavid Somayajulu /* Use MMIO operations for all accesses. */ 4111afaf5a2dSDavid Somayajulu mmio = pci_resource_start(ha->pdev, 1); 4112afaf5a2dSDavid Somayajulu mmio_len = pci_resource_len(ha->pdev, 1); 4113afaf5a2dSDavid Somayajulu mmio_flags = pci_resource_flags(ha->pdev, 1); 4114afaf5a2dSDavid Somayajulu 4115afaf5a2dSDavid Somayajulu if (!(mmio_flags & IORESOURCE_MEM)) { 4116c2660df3SVikas Chaudhary ql4_printk(KERN_ERR, ha, 4117afaf5a2dSDavid Somayajulu "region #0 not an MMIO resource, aborting\n"); 4118afaf5a2dSDavid Somayajulu 4119afaf5a2dSDavid Somayajulu goto iospace_error_exit; 4120afaf5a2dSDavid Somayajulu } 4121c2660df3SVikas Chaudhary 4122afaf5a2dSDavid Somayajulu if (mmio_len < MIN_IOBASE_LEN) { 4123c2660df3SVikas Chaudhary ql4_printk(KERN_ERR, ha, 4124afaf5a2dSDavid Somayajulu "Invalid PCI mem region size, aborting\n"); 4125afaf5a2dSDavid Somayajulu goto iospace_error_exit; 4126afaf5a2dSDavid Somayajulu } 4127afaf5a2dSDavid Somayajulu 4128afaf5a2dSDavid Somayajulu if (pci_request_regions(ha->pdev, DRIVER_NAME)) { 4129c2660df3SVikas Chaudhary ql4_printk(KERN_WARNING, ha, 4130afaf5a2dSDavid Somayajulu "Failed to reserve PIO/MMIO regions\n"); 4131afaf5a2dSDavid Somayajulu 4132afaf5a2dSDavid Somayajulu goto iospace_error_exit; 4133afaf5a2dSDavid Somayajulu } 4134afaf5a2dSDavid Somayajulu 4135afaf5a2dSDavid Somayajulu ha->pio_address = pio; 4136afaf5a2dSDavid Somayajulu ha->pio_length = pio_len; 4137afaf5a2dSDavid Somayajulu ha->reg = ioremap(mmio, MIN_IOBASE_LEN); 4138afaf5a2dSDavid Somayajulu if (!ha->reg) { 4139c2660df3SVikas Chaudhary ql4_printk(KERN_ERR, ha, 4140afaf5a2dSDavid Somayajulu "cannot remap MMIO, aborting\n"); 4141afaf5a2dSDavid Somayajulu 4142afaf5a2dSDavid Somayajulu goto iospace_error_exit; 4143afaf5a2dSDavid Somayajulu } 4144afaf5a2dSDavid Somayajulu 4145afaf5a2dSDavid Somayajulu return 0; 4146afaf5a2dSDavid Somayajulu 4147afaf5a2dSDavid Somayajulu iospace_error_exit: 4148afaf5a2dSDavid Somayajulu return -ENOMEM; 4149afaf5a2dSDavid Somayajulu } 4150afaf5a2dSDavid Somayajulu 4151f4f5df23SVikas Chaudhary static struct isp_operations qla4xxx_isp_ops = { 4152f4f5df23SVikas Chaudhary .iospace_config = qla4xxx_iospace_config, 4153f4f5df23SVikas Chaudhary .pci_config = qla4xxx_pci_config, 4154f4f5df23SVikas Chaudhary .disable_intrs = qla4xxx_disable_intrs, 4155f4f5df23SVikas Chaudhary .enable_intrs = qla4xxx_enable_intrs, 4156f4f5df23SVikas Chaudhary .start_firmware = qla4xxx_start_firmware, 4157f4f5df23SVikas Chaudhary .intr_handler = qla4xxx_intr_handler, 4158f4f5df23SVikas Chaudhary .interrupt_service_routine = qla4xxx_interrupt_service_routine, 4159f4f5df23SVikas Chaudhary .reset_chip = qla4xxx_soft_reset, 4160f4f5df23SVikas Chaudhary .reset_firmware = qla4xxx_hw_reset, 4161f4f5df23SVikas Chaudhary .queue_iocb = qla4xxx_queue_iocb, 4162f4f5df23SVikas Chaudhary .complete_iocb = qla4xxx_complete_iocb, 4163f4f5df23SVikas Chaudhary .rd_shdw_req_q_out = qla4xxx_rd_shdw_req_q_out, 4164f4f5df23SVikas Chaudhary .rd_shdw_rsp_q_in = qla4xxx_rd_shdw_rsp_q_in, 4165f4f5df23SVikas Chaudhary .get_sys_info = qla4xxx_get_sys_info, 416633693c7aSVikas Chaudhary .queue_mailbox_command = qla4xxx_queue_mbox_cmd, 416733693c7aSVikas Chaudhary .process_mailbox_interrupt = qla4xxx_process_mbox_intr, 4168f4f5df23SVikas Chaudhary }; 4169f4f5df23SVikas Chaudhary 41707664a1fdSVikas Chaudhary static struct isp_operations qla4_82xx_isp_ops = { 4171f4f5df23SVikas Chaudhary .iospace_config = qla4_8xxx_iospace_config, 4172f4f5df23SVikas Chaudhary .pci_config = qla4_8xxx_pci_config, 4173f8086f4fSVikas Chaudhary .disable_intrs = qla4_82xx_disable_intrs, 4174f8086f4fSVikas Chaudhary .enable_intrs = qla4_82xx_enable_intrs, 4175f4f5df23SVikas Chaudhary .start_firmware = qla4_8xxx_load_risc, 417633693c7aSVikas Chaudhary .restart_firmware = qla4_82xx_try_start_fw, 4177f8086f4fSVikas Chaudhary .intr_handler = qla4_82xx_intr_handler, 4178f8086f4fSVikas Chaudhary .interrupt_service_routine = qla4_82xx_interrupt_service_routine, 417933693c7aSVikas Chaudhary .need_reset = qla4_8xxx_need_reset, 4180f8086f4fSVikas Chaudhary .reset_chip = qla4_82xx_isp_reset, 4181f4f5df23SVikas Chaudhary .reset_firmware = qla4_8xxx_stop_firmware, 4182f8086f4fSVikas Chaudhary .queue_iocb = qla4_82xx_queue_iocb, 4183f8086f4fSVikas Chaudhary .complete_iocb = qla4_82xx_complete_iocb, 4184f8086f4fSVikas Chaudhary .rd_shdw_req_q_out = qla4_82xx_rd_shdw_req_q_out, 4185f8086f4fSVikas Chaudhary .rd_shdw_rsp_q_in = qla4_82xx_rd_shdw_rsp_q_in, 4186f4f5df23SVikas Chaudhary .get_sys_info = qla4_8xxx_get_sys_info, 418733693c7aSVikas Chaudhary .rd_reg_direct = qla4_82xx_rd_32, 418833693c7aSVikas Chaudhary .wr_reg_direct = qla4_82xx_wr_32, 418933693c7aSVikas Chaudhary .rd_reg_indirect = qla4_82xx_md_rd_32, 419033693c7aSVikas Chaudhary .wr_reg_indirect = qla4_82xx_md_wr_32, 419133693c7aSVikas Chaudhary .idc_lock = qla4_82xx_idc_lock, 419233693c7aSVikas Chaudhary .idc_unlock = qla4_82xx_idc_unlock, 419333693c7aSVikas Chaudhary .rom_lock_recovery = qla4_82xx_rom_lock_recovery, 419433693c7aSVikas Chaudhary .queue_mailbox_command = qla4_82xx_queue_mbox_cmd, 419533693c7aSVikas Chaudhary .process_mailbox_interrupt = qla4_82xx_process_mbox_intr, 4196f4f5df23SVikas Chaudhary }; 4197f4f5df23SVikas Chaudhary 41986e7b4292SVikas Chaudhary static struct isp_operations qla4_83xx_isp_ops = { 41996e7b4292SVikas Chaudhary .iospace_config = qla4_8xxx_iospace_config, 42006e7b4292SVikas Chaudhary .pci_config = qla4_8xxx_pci_config, 42016e7b4292SVikas Chaudhary .disable_intrs = qla4_83xx_disable_intrs, 42026e7b4292SVikas Chaudhary .enable_intrs = qla4_83xx_enable_intrs, 42036e7b4292SVikas Chaudhary .start_firmware = qla4_8xxx_load_risc, 42046e7b4292SVikas Chaudhary .restart_firmware = qla4_83xx_start_firmware, 42056e7b4292SVikas Chaudhary .intr_handler = qla4_83xx_intr_handler, 42066e7b4292SVikas Chaudhary .interrupt_service_routine = qla4_83xx_interrupt_service_routine, 42076e7b4292SVikas Chaudhary .need_reset = qla4_8xxx_need_reset, 42086e7b4292SVikas Chaudhary .reset_chip = qla4_83xx_isp_reset, 42096e7b4292SVikas Chaudhary .reset_firmware = qla4_8xxx_stop_firmware, 42106e7b4292SVikas Chaudhary .queue_iocb = qla4_83xx_queue_iocb, 42116e7b4292SVikas Chaudhary .complete_iocb = qla4_83xx_complete_iocb, 4212a24058f9STej Parkash .rd_shdw_req_q_out = qla4xxx_rd_shdw_req_q_out, 4213a24058f9STej Parkash .rd_shdw_rsp_q_in = qla4xxx_rd_shdw_rsp_q_in, 42146e7b4292SVikas Chaudhary .get_sys_info = qla4_8xxx_get_sys_info, 42156e7b4292SVikas Chaudhary .rd_reg_direct = qla4_83xx_rd_reg, 42166e7b4292SVikas Chaudhary .wr_reg_direct = qla4_83xx_wr_reg, 42176e7b4292SVikas Chaudhary .rd_reg_indirect = qla4_83xx_rd_reg_indirect, 42186e7b4292SVikas Chaudhary .wr_reg_indirect = qla4_83xx_wr_reg_indirect, 42196e7b4292SVikas Chaudhary .idc_lock = qla4_83xx_drv_lock, 42206e7b4292SVikas Chaudhary .idc_unlock = qla4_83xx_drv_unlock, 42216e7b4292SVikas Chaudhary .rom_lock_recovery = qla4_83xx_rom_lock_recovery, 42226e7b4292SVikas Chaudhary .queue_mailbox_command = qla4_83xx_queue_mbox_cmd, 42236e7b4292SVikas Chaudhary .process_mailbox_interrupt = qla4_83xx_process_mbox_intr, 4224f4f5df23SVikas Chaudhary }; 4225f4f5df23SVikas Chaudhary 4226f4f5df23SVikas Chaudhary uint16_t qla4xxx_rd_shdw_req_q_out(struct scsi_qla_host *ha) 4227f4f5df23SVikas Chaudhary { 4228f4f5df23SVikas Chaudhary return (uint16_t)le32_to_cpu(ha->shadow_regs->req_q_out); 4229f4f5df23SVikas Chaudhary } 4230f4f5df23SVikas Chaudhary 4231f8086f4fSVikas Chaudhary uint16_t qla4_82xx_rd_shdw_req_q_out(struct scsi_qla_host *ha) 4232f4f5df23SVikas Chaudhary { 42337664a1fdSVikas Chaudhary return (uint16_t)le32_to_cpu(readl(&ha->qla4_82xx_reg->req_q_out)); 4234f4f5df23SVikas Chaudhary } 4235f4f5df23SVikas Chaudhary 4236f4f5df23SVikas Chaudhary uint16_t qla4xxx_rd_shdw_rsp_q_in(struct scsi_qla_host *ha) 4237f4f5df23SVikas Chaudhary { 4238f4f5df23SVikas Chaudhary return (uint16_t)le32_to_cpu(ha->shadow_regs->rsp_q_in); 4239f4f5df23SVikas Chaudhary } 4240f4f5df23SVikas Chaudhary 4241f8086f4fSVikas Chaudhary uint16_t qla4_82xx_rd_shdw_rsp_q_in(struct scsi_qla_host *ha) 4242f4f5df23SVikas Chaudhary { 42437664a1fdSVikas Chaudhary return (uint16_t)le32_to_cpu(readl(&ha->qla4_82xx_reg->rsp_q_in)); 4244f4f5df23SVikas Chaudhary } 4245f4f5df23SVikas Chaudhary 42462a991c21SManish Rangankar static ssize_t qla4xxx_show_boot_eth_info(void *data, int type, char *buf) 42472a991c21SManish Rangankar { 42482a991c21SManish Rangankar struct scsi_qla_host *ha = data; 42492a991c21SManish Rangankar char *str = buf; 42502a991c21SManish Rangankar int rc; 42512a991c21SManish Rangankar 42522a991c21SManish Rangankar switch (type) { 42532a991c21SManish Rangankar case ISCSI_BOOT_ETH_FLAGS: 42542a991c21SManish Rangankar rc = sprintf(str, "%d\n", SYSFS_FLAG_FW_SEL_BOOT); 42552a991c21SManish Rangankar break; 42562a991c21SManish Rangankar case ISCSI_BOOT_ETH_INDEX: 42572a991c21SManish Rangankar rc = sprintf(str, "0\n"); 42582a991c21SManish Rangankar break; 42592a991c21SManish Rangankar case ISCSI_BOOT_ETH_MAC: 42602a991c21SManish Rangankar rc = sysfs_format_mac(str, ha->my_mac, 42612a991c21SManish Rangankar MAC_ADDR_LEN); 42622a991c21SManish Rangankar break; 42632a991c21SManish Rangankar default: 42642a991c21SManish Rangankar rc = -ENOSYS; 42652a991c21SManish Rangankar break; 42662a991c21SManish Rangankar } 42672a991c21SManish Rangankar return rc; 42682a991c21SManish Rangankar } 42692a991c21SManish Rangankar 4270587a1f16SAl Viro static umode_t qla4xxx_eth_get_attr_visibility(void *data, int type) 42712a991c21SManish Rangankar { 42722a991c21SManish Rangankar int rc; 42732a991c21SManish Rangankar 42742a991c21SManish Rangankar switch (type) { 42752a991c21SManish Rangankar case ISCSI_BOOT_ETH_FLAGS: 42762a991c21SManish Rangankar case ISCSI_BOOT_ETH_MAC: 42772a991c21SManish Rangankar case ISCSI_BOOT_ETH_INDEX: 42782a991c21SManish Rangankar rc = S_IRUGO; 42792a991c21SManish Rangankar break; 42802a991c21SManish Rangankar default: 42812a991c21SManish Rangankar rc = 0; 42822a991c21SManish Rangankar break; 42832a991c21SManish Rangankar } 42842a991c21SManish Rangankar return rc; 42852a991c21SManish Rangankar } 42862a991c21SManish Rangankar 42872a991c21SManish Rangankar static ssize_t qla4xxx_show_boot_ini_info(void *data, int type, char *buf) 42882a991c21SManish Rangankar { 42892a991c21SManish Rangankar struct scsi_qla_host *ha = data; 42902a991c21SManish Rangankar char *str = buf; 42912a991c21SManish Rangankar int rc; 42922a991c21SManish Rangankar 42932a991c21SManish Rangankar switch (type) { 42942a991c21SManish Rangankar case ISCSI_BOOT_INI_INITIATOR_NAME: 42952a991c21SManish Rangankar rc = sprintf(str, "%s\n", ha->name_string); 42962a991c21SManish Rangankar break; 42972a991c21SManish Rangankar default: 42982a991c21SManish Rangankar rc = -ENOSYS; 42992a991c21SManish Rangankar break; 43002a991c21SManish Rangankar } 43012a991c21SManish Rangankar return rc; 43022a991c21SManish Rangankar } 43032a991c21SManish Rangankar 4304587a1f16SAl Viro static umode_t qla4xxx_ini_get_attr_visibility(void *data, int type) 43052a991c21SManish Rangankar { 43062a991c21SManish Rangankar int rc; 43072a991c21SManish Rangankar 43082a991c21SManish Rangankar switch (type) { 43092a991c21SManish Rangankar case ISCSI_BOOT_INI_INITIATOR_NAME: 43102a991c21SManish Rangankar rc = S_IRUGO; 43112a991c21SManish Rangankar break; 43122a991c21SManish Rangankar default: 43132a991c21SManish Rangankar rc = 0; 43142a991c21SManish Rangankar break; 43152a991c21SManish Rangankar } 43162a991c21SManish Rangankar return rc; 43172a991c21SManish Rangankar } 43182a991c21SManish Rangankar 43192a991c21SManish Rangankar static ssize_t 43202a991c21SManish Rangankar qla4xxx_show_boot_tgt_info(struct ql4_boot_session_info *boot_sess, int type, 43212a991c21SManish Rangankar char *buf) 43222a991c21SManish Rangankar { 43232a991c21SManish Rangankar struct ql4_conn_info *boot_conn = &boot_sess->conn_list[0]; 43242a991c21SManish Rangankar char *str = buf; 43252a991c21SManish Rangankar int rc; 43262a991c21SManish Rangankar 43272a991c21SManish Rangankar switch (type) { 43282a991c21SManish Rangankar case ISCSI_BOOT_TGT_NAME: 43292a991c21SManish Rangankar rc = sprintf(buf, "%s\n", (char *)&boot_sess->target_name); 43302a991c21SManish Rangankar break; 43312a991c21SManish Rangankar case ISCSI_BOOT_TGT_IP_ADDR: 43322a991c21SManish Rangankar if (boot_sess->conn_list[0].dest_ipaddr.ip_type == 0x1) 43332a991c21SManish Rangankar rc = sprintf(buf, "%pI4\n", 43342a991c21SManish Rangankar &boot_conn->dest_ipaddr.ip_address); 43352a991c21SManish Rangankar else 43362a991c21SManish Rangankar rc = sprintf(str, "%pI6\n", 43372a991c21SManish Rangankar &boot_conn->dest_ipaddr.ip_address); 43382a991c21SManish Rangankar break; 43392a991c21SManish Rangankar case ISCSI_BOOT_TGT_PORT: 43402a991c21SManish Rangankar rc = sprintf(str, "%d\n", boot_conn->dest_port); 43412a991c21SManish Rangankar break; 43422a991c21SManish Rangankar case ISCSI_BOOT_TGT_CHAP_NAME: 43432a991c21SManish Rangankar rc = sprintf(str, "%.*s\n", 43442a991c21SManish Rangankar boot_conn->chap.target_chap_name_length, 43452a991c21SManish Rangankar (char *)&boot_conn->chap.target_chap_name); 43462a991c21SManish Rangankar break; 43472a991c21SManish Rangankar case ISCSI_BOOT_TGT_CHAP_SECRET: 43482a991c21SManish Rangankar rc = sprintf(str, "%.*s\n", 43492a991c21SManish Rangankar boot_conn->chap.target_secret_length, 43502a991c21SManish Rangankar (char *)&boot_conn->chap.target_secret); 43512a991c21SManish Rangankar break; 43522a991c21SManish Rangankar case ISCSI_BOOT_TGT_REV_CHAP_NAME: 43532a991c21SManish Rangankar rc = sprintf(str, "%.*s\n", 43542a991c21SManish Rangankar boot_conn->chap.intr_chap_name_length, 43552a991c21SManish Rangankar (char *)&boot_conn->chap.intr_chap_name); 43562a991c21SManish Rangankar break; 43572a991c21SManish Rangankar case ISCSI_BOOT_TGT_REV_CHAP_SECRET: 43582a991c21SManish Rangankar rc = sprintf(str, "%.*s\n", 43592a991c21SManish Rangankar boot_conn->chap.intr_secret_length, 43602a991c21SManish Rangankar (char *)&boot_conn->chap.intr_secret); 43612a991c21SManish Rangankar break; 43622a991c21SManish Rangankar case ISCSI_BOOT_TGT_FLAGS: 43632a991c21SManish Rangankar rc = sprintf(str, "%d\n", SYSFS_FLAG_FW_SEL_BOOT); 43642a991c21SManish Rangankar break; 43652a991c21SManish Rangankar case ISCSI_BOOT_TGT_NIC_ASSOC: 43662a991c21SManish Rangankar rc = sprintf(str, "0\n"); 43672a991c21SManish Rangankar break; 43682a991c21SManish Rangankar default: 43692a991c21SManish Rangankar rc = -ENOSYS; 43702a991c21SManish Rangankar break; 43712a991c21SManish Rangankar } 43722a991c21SManish Rangankar return rc; 43732a991c21SManish Rangankar } 43742a991c21SManish Rangankar 43752a991c21SManish Rangankar static ssize_t qla4xxx_show_boot_tgt_pri_info(void *data, int type, char *buf) 43762a991c21SManish Rangankar { 43772a991c21SManish Rangankar struct scsi_qla_host *ha = data; 43782a991c21SManish Rangankar struct ql4_boot_session_info *boot_sess = &(ha->boot_tgt.boot_pri_sess); 43792a991c21SManish Rangankar 43802a991c21SManish Rangankar return qla4xxx_show_boot_tgt_info(boot_sess, type, buf); 43812a991c21SManish Rangankar } 43822a991c21SManish Rangankar 43832a991c21SManish Rangankar static ssize_t qla4xxx_show_boot_tgt_sec_info(void *data, int type, char *buf) 43842a991c21SManish Rangankar { 43852a991c21SManish Rangankar struct scsi_qla_host *ha = data; 43862a991c21SManish Rangankar struct ql4_boot_session_info *boot_sess = &(ha->boot_tgt.boot_sec_sess); 43872a991c21SManish Rangankar 43882a991c21SManish Rangankar return qla4xxx_show_boot_tgt_info(boot_sess, type, buf); 43892a991c21SManish Rangankar } 43902a991c21SManish Rangankar 4391587a1f16SAl Viro static umode_t qla4xxx_tgt_get_attr_visibility(void *data, int type) 43922a991c21SManish Rangankar { 43932a991c21SManish Rangankar int rc; 43942a991c21SManish Rangankar 43952a991c21SManish Rangankar switch (type) { 43962a991c21SManish Rangankar case ISCSI_BOOT_TGT_NAME: 43972a991c21SManish Rangankar case ISCSI_BOOT_TGT_IP_ADDR: 43982a991c21SManish Rangankar case ISCSI_BOOT_TGT_PORT: 43992a991c21SManish Rangankar case ISCSI_BOOT_TGT_CHAP_NAME: 44002a991c21SManish Rangankar case ISCSI_BOOT_TGT_CHAP_SECRET: 44012a991c21SManish Rangankar case ISCSI_BOOT_TGT_REV_CHAP_NAME: 44022a991c21SManish Rangankar case ISCSI_BOOT_TGT_REV_CHAP_SECRET: 44032a991c21SManish Rangankar case ISCSI_BOOT_TGT_NIC_ASSOC: 44042a991c21SManish Rangankar case ISCSI_BOOT_TGT_FLAGS: 44052a991c21SManish Rangankar rc = S_IRUGO; 44062a991c21SManish Rangankar break; 44072a991c21SManish Rangankar default: 44082a991c21SManish Rangankar rc = 0; 44092a991c21SManish Rangankar break; 44102a991c21SManish Rangankar } 44112a991c21SManish Rangankar return rc; 44122a991c21SManish Rangankar } 44132a991c21SManish Rangankar 44142a991c21SManish Rangankar static void qla4xxx_boot_release(void *data) 44152a991c21SManish Rangankar { 44162a991c21SManish Rangankar struct scsi_qla_host *ha = data; 44172a991c21SManish Rangankar 44182a991c21SManish Rangankar scsi_host_put(ha->host); 44192a991c21SManish Rangankar } 44202a991c21SManish Rangankar 44212a991c21SManish Rangankar static int get_fw_boot_info(struct scsi_qla_host *ha, uint16_t ddb_index[]) 44222a991c21SManish Rangankar { 44232a991c21SManish Rangankar dma_addr_t buf_dma; 44242a991c21SManish Rangankar uint32_t addr, pri_addr, sec_addr; 44252a991c21SManish Rangankar uint32_t offset; 44262a991c21SManish Rangankar uint16_t func_num; 44272a991c21SManish Rangankar uint8_t val; 44282a991c21SManish Rangankar uint8_t *buf = NULL; 44292a991c21SManish Rangankar size_t size = 13 * sizeof(uint8_t); 44302a991c21SManish Rangankar int ret = QLA_SUCCESS; 44312a991c21SManish Rangankar 44322a991c21SManish Rangankar func_num = PCI_FUNC(ha->pdev->devfn); 44332a991c21SManish Rangankar 44340d5b36b8SManish Rangankar ql4_printk(KERN_INFO, ha, "%s: Get FW boot info for 0x%x func %d\n", 44350d5b36b8SManish Rangankar __func__, ha->pdev->device, func_num); 44362a991c21SManish Rangankar 44370d5b36b8SManish Rangankar if (is_qla40XX(ha)) { 44382a991c21SManish Rangankar if (func_num == 1) { 44392a991c21SManish Rangankar addr = NVRAM_PORT0_BOOT_MODE; 44402a991c21SManish Rangankar pri_addr = NVRAM_PORT0_BOOT_PRI_TGT; 44412a991c21SManish Rangankar sec_addr = NVRAM_PORT0_BOOT_SEC_TGT; 44422a991c21SManish Rangankar } else if (func_num == 3) { 44432a991c21SManish Rangankar addr = NVRAM_PORT1_BOOT_MODE; 44442a991c21SManish Rangankar pri_addr = NVRAM_PORT1_BOOT_PRI_TGT; 44452a991c21SManish Rangankar sec_addr = NVRAM_PORT1_BOOT_SEC_TGT; 44462a991c21SManish Rangankar } else { 44472a991c21SManish Rangankar ret = QLA_ERROR; 44482a991c21SManish Rangankar goto exit_boot_info; 44492a991c21SManish Rangankar } 44502a991c21SManish Rangankar 44512a991c21SManish Rangankar /* Check Boot Mode */ 44522a991c21SManish Rangankar val = rd_nvram_byte(ha, addr); 44532a991c21SManish Rangankar if (!(val & 0x07)) { 4454e8fb00e0SManish Rangankar DEBUG2(ql4_printk(KERN_INFO, ha, "%s: Adapter boot " 4455e8fb00e0SManish Rangankar "options : 0x%x\n", __func__, val)); 44562a991c21SManish Rangankar ret = QLA_ERROR; 44572a991c21SManish Rangankar goto exit_boot_info; 44582a991c21SManish Rangankar } 44592a991c21SManish Rangankar 44602a991c21SManish Rangankar /* get primary valid target index */ 44612a991c21SManish Rangankar val = rd_nvram_byte(ha, pri_addr); 44622a991c21SManish Rangankar if (val & BIT_7) 44632a991c21SManish Rangankar ddb_index[0] = (val & 0x7f); 44642a991c21SManish Rangankar 44652a991c21SManish Rangankar /* get secondary valid target index */ 44662a991c21SManish Rangankar val = rd_nvram_byte(ha, sec_addr); 44672a991c21SManish Rangankar if (val & BIT_7) 44682a991c21SManish Rangankar ddb_index[1] = (val & 0x7f); 44692a991c21SManish Rangankar 44703e788fb1SVikas Chaudhary } else if (is_qla80XX(ha)) { 44712a991c21SManish Rangankar buf = dma_alloc_coherent(&ha->pdev->dev, size, 44722a991c21SManish Rangankar &buf_dma, GFP_KERNEL); 44732a991c21SManish Rangankar if (!buf) { 44742a991c21SManish Rangankar DEBUG2(ql4_printk(KERN_ERR, ha, 44752a991c21SManish Rangankar "%s: Unable to allocate dma buffer\n", 44762a991c21SManish Rangankar __func__)); 44772a991c21SManish Rangankar ret = QLA_ERROR; 44782a991c21SManish Rangankar goto exit_boot_info; 44792a991c21SManish Rangankar } 44802a991c21SManish Rangankar 44812a991c21SManish Rangankar if (ha->port_num == 0) 44822a991c21SManish Rangankar offset = BOOT_PARAM_OFFSET_PORT0; 44832a991c21SManish Rangankar else if (ha->port_num == 1) 44842a991c21SManish Rangankar offset = BOOT_PARAM_OFFSET_PORT1; 44852a991c21SManish Rangankar else { 44862a991c21SManish Rangankar ret = QLA_ERROR; 44872a991c21SManish Rangankar goto exit_boot_info_free; 44882a991c21SManish Rangankar } 44892a991c21SManish Rangankar addr = FLASH_RAW_ACCESS_ADDR + (ha->hw.flt_iscsi_param * 4) + 44902a991c21SManish Rangankar offset; 44912a991c21SManish Rangankar if (qla4xxx_get_flash(ha, buf_dma, addr, 44922a991c21SManish Rangankar 13 * sizeof(uint8_t)) != QLA_SUCCESS) { 44932a991c21SManish Rangankar DEBUG2(ql4_printk(KERN_ERR, ha, "scsi%ld: %s: Get Flash" 44942a991c21SManish Rangankar " failed\n", ha->host_no, __func__)); 44952a991c21SManish Rangankar ret = QLA_ERROR; 44962a991c21SManish Rangankar goto exit_boot_info_free; 44972a991c21SManish Rangankar } 44982a991c21SManish Rangankar /* Check Boot Mode */ 44992a991c21SManish Rangankar if (!(buf[1] & 0x07)) { 4500e8fb00e0SManish Rangankar DEBUG2(ql4_printk(KERN_INFO, ha, "Firmware boot options" 4501e8fb00e0SManish Rangankar " : 0x%x\n", buf[1])); 45022a991c21SManish Rangankar ret = QLA_ERROR; 45032a991c21SManish Rangankar goto exit_boot_info_free; 45042a991c21SManish Rangankar } 45052a991c21SManish Rangankar 45062a991c21SManish Rangankar /* get primary valid target index */ 45072a991c21SManish Rangankar if (buf[2] & BIT_7) 45082a991c21SManish Rangankar ddb_index[0] = buf[2] & 0x7f; 45092a991c21SManish Rangankar 45102a991c21SManish Rangankar /* get secondary valid target index */ 45112a991c21SManish Rangankar if (buf[11] & BIT_7) 45122a991c21SManish Rangankar ddb_index[1] = buf[11] & 0x7f; 45132a991c21SManish Rangankar } else { 45142a991c21SManish Rangankar ret = QLA_ERROR; 45152a991c21SManish Rangankar goto exit_boot_info; 45162a991c21SManish Rangankar } 45172a991c21SManish Rangankar 45182a991c21SManish Rangankar DEBUG2(ql4_printk(KERN_INFO, ha, "%s: Primary target ID %d, Secondary" 45192a991c21SManish Rangankar " target ID %d\n", __func__, ddb_index[0], 45202a991c21SManish Rangankar ddb_index[1])); 45212a991c21SManish Rangankar 45222a991c21SManish Rangankar exit_boot_info_free: 45232a991c21SManish Rangankar dma_free_coherent(&ha->pdev->dev, size, buf, buf_dma); 45242a991c21SManish Rangankar exit_boot_info: 452520e835b4SLalit Chandivade ha->pri_ddb_idx = ddb_index[0]; 452620e835b4SLalit Chandivade ha->sec_ddb_idx = ddb_index[1]; 45272a991c21SManish Rangankar return ret; 45282a991c21SManish Rangankar } 45292a991c21SManish Rangankar 453028deb45cSLalit Chandivade /** 453128deb45cSLalit Chandivade * qla4xxx_get_bidi_chap - Get a BIDI CHAP user and password 453228deb45cSLalit Chandivade * @ha: pointer to adapter structure 453328deb45cSLalit Chandivade * @username: CHAP username to be returned 453428deb45cSLalit Chandivade * @password: CHAP password to be returned 453528deb45cSLalit Chandivade * 453628deb45cSLalit Chandivade * If a boot entry has BIDI CHAP enabled then we need to set the BIDI CHAP 453728deb45cSLalit Chandivade * user and password in the sysfs entry in /sys/firmware/iscsi_boot#/. 453828deb45cSLalit Chandivade * So from the CHAP cache find the first BIDI CHAP entry and set it 453928deb45cSLalit Chandivade * to the boot record in sysfs. 454028deb45cSLalit Chandivade **/ 454128deb45cSLalit Chandivade static int qla4xxx_get_bidi_chap(struct scsi_qla_host *ha, char *username, 454228deb45cSLalit Chandivade char *password) 454328deb45cSLalit Chandivade { 454428deb45cSLalit Chandivade int i, ret = -EINVAL; 454528deb45cSLalit Chandivade int max_chap_entries = 0; 454628deb45cSLalit Chandivade struct ql4_chap_table *chap_table; 454728deb45cSLalit Chandivade 4548d11b0ca3SVikas Chaudhary if (is_qla80XX(ha)) 454928deb45cSLalit Chandivade max_chap_entries = (ha->hw.flt_chap_size / 2) / 455028deb45cSLalit Chandivade sizeof(struct ql4_chap_table); 455128deb45cSLalit Chandivade else 455228deb45cSLalit Chandivade max_chap_entries = MAX_CHAP_ENTRIES_40XX; 455328deb45cSLalit Chandivade 455428deb45cSLalit Chandivade if (!ha->chap_list) { 455528deb45cSLalit Chandivade ql4_printk(KERN_ERR, ha, "Do not have CHAP table cache\n"); 455628deb45cSLalit Chandivade return ret; 455728deb45cSLalit Chandivade } 455828deb45cSLalit Chandivade 455928deb45cSLalit Chandivade mutex_lock(&ha->chap_sem); 456028deb45cSLalit Chandivade for (i = 0; i < max_chap_entries; i++) { 456128deb45cSLalit Chandivade chap_table = (struct ql4_chap_table *)ha->chap_list + i; 456228deb45cSLalit Chandivade if (chap_table->cookie != 456328deb45cSLalit Chandivade __constant_cpu_to_le16(CHAP_VALID_COOKIE)) { 456428deb45cSLalit Chandivade continue; 456528deb45cSLalit Chandivade } 456628deb45cSLalit Chandivade 456728deb45cSLalit Chandivade if (chap_table->flags & BIT_7) /* local */ 456828deb45cSLalit Chandivade continue; 456928deb45cSLalit Chandivade 457028deb45cSLalit Chandivade if (!(chap_table->flags & BIT_6)) /* Not BIDI */ 457128deb45cSLalit Chandivade continue; 457228deb45cSLalit Chandivade 457328deb45cSLalit Chandivade strncpy(password, chap_table->secret, QL4_CHAP_MAX_SECRET_LEN); 457428deb45cSLalit Chandivade strncpy(username, chap_table->name, QL4_CHAP_MAX_NAME_LEN); 457528deb45cSLalit Chandivade ret = 0; 457628deb45cSLalit Chandivade break; 457728deb45cSLalit Chandivade } 457828deb45cSLalit Chandivade mutex_unlock(&ha->chap_sem); 457928deb45cSLalit Chandivade 458028deb45cSLalit Chandivade return ret; 458128deb45cSLalit Chandivade } 458228deb45cSLalit Chandivade 458328deb45cSLalit Chandivade 45842a991c21SManish Rangankar static int qla4xxx_get_boot_target(struct scsi_qla_host *ha, 45852a991c21SManish Rangankar struct ql4_boot_session_info *boot_sess, 45862a991c21SManish Rangankar uint16_t ddb_index) 45872a991c21SManish Rangankar { 45882a991c21SManish Rangankar struct ql4_conn_info *boot_conn = &boot_sess->conn_list[0]; 45892a991c21SManish Rangankar struct dev_db_entry *fw_ddb_entry; 45902a991c21SManish Rangankar dma_addr_t fw_ddb_entry_dma; 45912a991c21SManish Rangankar uint16_t idx; 45922a991c21SManish Rangankar uint16_t options; 45932a991c21SManish Rangankar int ret = QLA_SUCCESS; 45942a991c21SManish Rangankar 45952a991c21SManish Rangankar fw_ddb_entry = dma_alloc_coherent(&ha->pdev->dev, sizeof(*fw_ddb_entry), 45962a991c21SManish Rangankar &fw_ddb_entry_dma, GFP_KERNEL); 45972a991c21SManish Rangankar if (!fw_ddb_entry) { 45982a991c21SManish Rangankar DEBUG2(ql4_printk(KERN_ERR, ha, 45992a991c21SManish Rangankar "%s: Unable to allocate dma buffer.\n", 46002a991c21SManish Rangankar __func__)); 46012a991c21SManish Rangankar ret = QLA_ERROR; 46022a991c21SManish Rangankar return ret; 46032a991c21SManish Rangankar } 46042a991c21SManish Rangankar 46052a991c21SManish Rangankar if (qla4xxx_bootdb_by_index(ha, fw_ddb_entry, 46062a991c21SManish Rangankar fw_ddb_entry_dma, ddb_index)) { 4607e8fb00e0SManish Rangankar DEBUG2(ql4_printk(KERN_INFO, ha, "%s: No Flash DDB found at " 4608e8fb00e0SManish Rangankar "index [%d]\n", __func__, ddb_index)); 46092a991c21SManish Rangankar ret = QLA_ERROR; 46102a991c21SManish Rangankar goto exit_boot_target; 46112a991c21SManish Rangankar } 46122a991c21SManish Rangankar 46132a991c21SManish Rangankar /* Update target name and IP from DDB */ 46142a991c21SManish Rangankar memcpy(boot_sess->target_name, fw_ddb_entry->iscsi_name, 46152a991c21SManish Rangankar min(sizeof(boot_sess->target_name), 46162a991c21SManish Rangankar sizeof(fw_ddb_entry->iscsi_name))); 46172a991c21SManish Rangankar 46182a991c21SManish Rangankar options = le16_to_cpu(fw_ddb_entry->options); 46192a991c21SManish Rangankar if (options & DDB_OPT_IPV6_DEVICE) { 46202a991c21SManish Rangankar memcpy(&boot_conn->dest_ipaddr.ip_address, 46212a991c21SManish Rangankar &fw_ddb_entry->ip_addr[0], IPv6_ADDR_LEN); 46222a991c21SManish Rangankar } else { 46232a991c21SManish Rangankar boot_conn->dest_ipaddr.ip_type = 0x1; 46242a991c21SManish Rangankar memcpy(&boot_conn->dest_ipaddr.ip_address, 46252a991c21SManish Rangankar &fw_ddb_entry->ip_addr[0], IP_ADDR_LEN); 46262a991c21SManish Rangankar } 46272a991c21SManish Rangankar 46282a991c21SManish Rangankar boot_conn->dest_port = le16_to_cpu(fw_ddb_entry->port); 46292a991c21SManish Rangankar 46302a991c21SManish Rangankar /* update chap information */ 46312a991c21SManish Rangankar idx = __le16_to_cpu(fw_ddb_entry->chap_tbl_idx); 46322a991c21SManish Rangankar 46332a991c21SManish Rangankar if (BIT_7 & le16_to_cpu(fw_ddb_entry->iscsi_options)) { 46342a991c21SManish Rangankar 46352a991c21SManish Rangankar DEBUG2(ql4_printk(KERN_INFO, ha, "Setting chap\n")); 46362a991c21SManish Rangankar 46372a991c21SManish Rangankar ret = qla4xxx_get_chap(ha, (char *)&boot_conn->chap. 46382a991c21SManish Rangankar target_chap_name, 46392a991c21SManish Rangankar (char *)&boot_conn->chap.target_secret, 46402a991c21SManish Rangankar idx); 46412a991c21SManish Rangankar if (ret) { 46422a991c21SManish Rangankar ql4_printk(KERN_ERR, ha, "Failed to set chap\n"); 46432a991c21SManish Rangankar ret = QLA_ERROR; 46442a991c21SManish Rangankar goto exit_boot_target; 46452a991c21SManish Rangankar } 46462a991c21SManish Rangankar 46472a991c21SManish Rangankar boot_conn->chap.target_chap_name_length = QL4_CHAP_MAX_NAME_LEN; 46482a991c21SManish Rangankar boot_conn->chap.target_secret_length = QL4_CHAP_MAX_SECRET_LEN; 46492a991c21SManish Rangankar } 46502a991c21SManish Rangankar 46512a991c21SManish Rangankar if (BIT_4 & le16_to_cpu(fw_ddb_entry->iscsi_options)) { 46522a991c21SManish Rangankar 46532a991c21SManish Rangankar DEBUG2(ql4_printk(KERN_INFO, ha, "Setting BIDI chap\n")); 46542a991c21SManish Rangankar 465528deb45cSLalit Chandivade ret = qla4xxx_get_bidi_chap(ha, 465628deb45cSLalit Chandivade (char *)&boot_conn->chap.intr_chap_name, 465728deb45cSLalit Chandivade (char *)&boot_conn->chap.intr_secret); 465828deb45cSLalit Chandivade 46592a991c21SManish Rangankar if (ret) { 46602a991c21SManish Rangankar ql4_printk(KERN_ERR, ha, "Failed to set BIDI chap\n"); 46612a991c21SManish Rangankar ret = QLA_ERROR; 46622a991c21SManish Rangankar goto exit_boot_target; 46632a991c21SManish Rangankar } 46642a991c21SManish Rangankar 46652a991c21SManish Rangankar boot_conn->chap.intr_chap_name_length = QL4_CHAP_MAX_NAME_LEN; 46662a991c21SManish Rangankar boot_conn->chap.intr_secret_length = QL4_CHAP_MAX_SECRET_LEN; 46672a991c21SManish Rangankar } 46682a991c21SManish Rangankar 46692a991c21SManish Rangankar exit_boot_target: 46702a991c21SManish Rangankar dma_free_coherent(&ha->pdev->dev, sizeof(*fw_ddb_entry), 46712a991c21SManish Rangankar fw_ddb_entry, fw_ddb_entry_dma); 46722a991c21SManish Rangankar return ret; 46732a991c21SManish Rangankar } 46742a991c21SManish Rangankar 46752a991c21SManish Rangankar static int qla4xxx_get_boot_info(struct scsi_qla_host *ha) 46762a991c21SManish Rangankar { 46772a991c21SManish Rangankar uint16_t ddb_index[2]; 46788de5b958SLalit Chandivade int ret = QLA_ERROR; 46798de5b958SLalit Chandivade int rval; 46802a991c21SManish Rangankar 46812a991c21SManish Rangankar memset(ddb_index, 0, sizeof(ddb_index)); 46828de5b958SLalit Chandivade ddb_index[0] = 0xffff; 46838de5b958SLalit Chandivade ddb_index[1] = 0xffff; 46842a991c21SManish Rangankar ret = get_fw_boot_info(ha, ddb_index); 46852a991c21SManish Rangankar if (ret != QLA_SUCCESS) { 4686e8fb00e0SManish Rangankar DEBUG2(ql4_printk(KERN_INFO, ha, 4687e8fb00e0SManish Rangankar "%s: No boot target configured.\n", __func__)); 46882a991c21SManish Rangankar return ret; 46892a991c21SManish Rangankar } 46902a991c21SManish Rangankar 469113483730SMike Christie if (ql4xdisablesysfsboot) 469213483730SMike Christie return QLA_SUCCESS; 469313483730SMike Christie 46948de5b958SLalit Chandivade if (ddb_index[0] == 0xffff) 46958de5b958SLalit Chandivade goto sec_target; 46968de5b958SLalit Chandivade 46978de5b958SLalit Chandivade rval = qla4xxx_get_boot_target(ha, &(ha->boot_tgt.boot_pri_sess), 46982a991c21SManish Rangankar ddb_index[0]); 46998de5b958SLalit Chandivade if (rval != QLA_SUCCESS) { 4700e8fb00e0SManish Rangankar DEBUG2(ql4_printk(KERN_INFO, ha, "%s: Primary boot target not " 4701e8fb00e0SManish Rangankar "configured\n", __func__)); 47028de5b958SLalit Chandivade } else 47038de5b958SLalit Chandivade ret = QLA_SUCCESS; 47042a991c21SManish Rangankar 47058de5b958SLalit Chandivade sec_target: 47068de5b958SLalit Chandivade if (ddb_index[1] == 0xffff) 47078de5b958SLalit Chandivade goto exit_get_boot_info; 47088de5b958SLalit Chandivade 47098de5b958SLalit Chandivade rval = qla4xxx_get_boot_target(ha, &(ha->boot_tgt.boot_sec_sess), 47102a991c21SManish Rangankar ddb_index[1]); 47118de5b958SLalit Chandivade if (rval != QLA_SUCCESS) { 4712e8fb00e0SManish Rangankar DEBUG2(ql4_printk(KERN_INFO, ha, "%s: Secondary boot target not" 4713e8fb00e0SManish Rangankar " configured\n", __func__)); 47148de5b958SLalit Chandivade } else 47158de5b958SLalit Chandivade ret = QLA_SUCCESS; 47168de5b958SLalit Chandivade 47178de5b958SLalit Chandivade exit_get_boot_info: 47182a991c21SManish Rangankar return ret; 47192a991c21SManish Rangankar } 47202a991c21SManish Rangankar 47212a991c21SManish Rangankar static int qla4xxx_setup_boot_info(struct scsi_qla_host *ha) 47222a991c21SManish Rangankar { 47232a991c21SManish Rangankar struct iscsi_boot_kobj *boot_kobj; 47242a991c21SManish Rangankar 47252a991c21SManish Rangankar if (qla4xxx_get_boot_info(ha) != QLA_SUCCESS) 472613483730SMike Christie return QLA_ERROR; 472713483730SMike Christie 472813483730SMike Christie if (ql4xdisablesysfsboot) { 472913483730SMike Christie ql4_printk(KERN_INFO, ha, 473013483730SMike Christie "%s: syfsboot disabled - driver will trigger login " 473113483730SMike Christie "and publish session for discovery .\n", __func__); 473213483730SMike Christie return QLA_SUCCESS; 473313483730SMike Christie } 473413483730SMike Christie 47352a991c21SManish Rangankar 47362a991c21SManish Rangankar ha->boot_kset = iscsi_boot_create_host_kset(ha->host->host_no); 47372a991c21SManish Rangankar if (!ha->boot_kset) 47382a991c21SManish Rangankar goto kset_free; 47392a991c21SManish Rangankar 47402a991c21SManish Rangankar if (!scsi_host_get(ha->host)) 47412a991c21SManish Rangankar goto kset_free; 47422a991c21SManish Rangankar boot_kobj = iscsi_boot_create_target(ha->boot_kset, 0, ha, 47432a991c21SManish Rangankar qla4xxx_show_boot_tgt_pri_info, 47442a991c21SManish Rangankar qla4xxx_tgt_get_attr_visibility, 47452a991c21SManish Rangankar qla4xxx_boot_release); 47462a991c21SManish Rangankar if (!boot_kobj) 47472a991c21SManish Rangankar goto put_host; 47482a991c21SManish Rangankar 47492a991c21SManish Rangankar if (!scsi_host_get(ha->host)) 47502a991c21SManish Rangankar goto kset_free; 47512a991c21SManish Rangankar boot_kobj = iscsi_boot_create_target(ha->boot_kset, 1, ha, 47522a991c21SManish Rangankar qla4xxx_show_boot_tgt_sec_info, 47532a991c21SManish Rangankar qla4xxx_tgt_get_attr_visibility, 47542a991c21SManish Rangankar qla4xxx_boot_release); 47552a991c21SManish Rangankar if (!boot_kobj) 47562a991c21SManish Rangankar goto put_host; 47572a991c21SManish Rangankar 47582a991c21SManish Rangankar if (!scsi_host_get(ha->host)) 47592a991c21SManish Rangankar goto kset_free; 47602a991c21SManish Rangankar boot_kobj = iscsi_boot_create_initiator(ha->boot_kset, 0, ha, 47612a991c21SManish Rangankar qla4xxx_show_boot_ini_info, 47622a991c21SManish Rangankar qla4xxx_ini_get_attr_visibility, 47632a991c21SManish Rangankar qla4xxx_boot_release); 47642a991c21SManish Rangankar if (!boot_kobj) 47652a991c21SManish Rangankar goto put_host; 47662a991c21SManish Rangankar 47672a991c21SManish Rangankar if (!scsi_host_get(ha->host)) 47682a991c21SManish Rangankar goto kset_free; 47692a991c21SManish Rangankar boot_kobj = iscsi_boot_create_ethernet(ha->boot_kset, 0, ha, 47702a991c21SManish Rangankar qla4xxx_show_boot_eth_info, 47712a991c21SManish Rangankar qla4xxx_eth_get_attr_visibility, 47722a991c21SManish Rangankar qla4xxx_boot_release); 47732a991c21SManish Rangankar if (!boot_kobj) 47742a991c21SManish Rangankar goto put_host; 47752a991c21SManish Rangankar 477613483730SMike Christie return QLA_SUCCESS; 47772a991c21SManish Rangankar 47782a991c21SManish Rangankar put_host: 47792a991c21SManish Rangankar scsi_host_put(ha->host); 47802a991c21SManish Rangankar kset_free: 47812a991c21SManish Rangankar iscsi_boot_destroy_kset(ha->boot_kset); 47822a991c21SManish Rangankar return -ENOMEM; 47832a991c21SManish Rangankar } 47842a991c21SManish Rangankar 47854549415aSLalit Chandivade 47864549415aSLalit Chandivade /** 47874549415aSLalit Chandivade * qla4xxx_create chap_list - Create CHAP list from FLASH 47884549415aSLalit Chandivade * @ha: pointer to adapter structure 47894549415aSLalit Chandivade * 47904549415aSLalit Chandivade * Read flash and make a list of CHAP entries, during login when a CHAP entry 47914549415aSLalit Chandivade * is received, it will be checked in this list. If entry exist then the CHAP 47924549415aSLalit Chandivade * entry index is set in the DDB. If CHAP entry does not exist in this list 47934549415aSLalit Chandivade * then a new entry is added in FLASH in CHAP table and the index obtained is 47944549415aSLalit Chandivade * used in the DDB. 47954549415aSLalit Chandivade **/ 47964549415aSLalit Chandivade static void qla4xxx_create_chap_list(struct scsi_qla_host *ha) 47974549415aSLalit Chandivade { 47984549415aSLalit Chandivade int rval = 0; 47994549415aSLalit Chandivade uint8_t *chap_flash_data = NULL; 48004549415aSLalit Chandivade uint32_t offset; 48014549415aSLalit Chandivade dma_addr_t chap_dma; 48024549415aSLalit Chandivade uint32_t chap_size = 0; 48034549415aSLalit Chandivade 48044549415aSLalit Chandivade if (is_qla40XX(ha)) 48054549415aSLalit Chandivade chap_size = MAX_CHAP_ENTRIES_40XX * 48064549415aSLalit Chandivade sizeof(struct ql4_chap_table); 48074549415aSLalit Chandivade else /* Single region contains CHAP info for both 48084549415aSLalit Chandivade * ports which is divided into half for each port. 48094549415aSLalit Chandivade */ 48104549415aSLalit Chandivade chap_size = ha->hw.flt_chap_size / 2; 48114549415aSLalit Chandivade 48124549415aSLalit Chandivade chap_flash_data = dma_alloc_coherent(&ha->pdev->dev, chap_size, 48134549415aSLalit Chandivade &chap_dma, GFP_KERNEL); 48144549415aSLalit Chandivade if (!chap_flash_data) { 48154549415aSLalit Chandivade ql4_printk(KERN_ERR, ha, "No memory for chap_flash_data\n"); 48164549415aSLalit Chandivade return; 48174549415aSLalit Chandivade } 48184549415aSLalit Chandivade if (is_qla40XX(ha)) 48194549415aSLalit Chandivade offset = FLASH_CHAP_OFFSET; 48204549415aSLalit Chandivade else { 48214549415aSLalit Chandivade offset = FLASH_RAW_ACCESS_ADDR + (ha->hw.flt_region_chap << 2); 48224549415aSLalit Chandivade if (ha->port_num == 1) 48234549415aSLalit Chandivade offset += chap_size; 48244549415aSLalit Chandivade } 48254549415aSLalit Chandivade 48264549415aSLalit Chandivade rval = qla4xxx_get_flash(ha, chap_dma, offset, chap_size); 48274549415aSLalit Chandivade if (rval != QLA_SUCCESS) 48284549415aSLalit Chandivade goto exit_chap_list; 48294549415aSLalit Chandivade 48304549415aSLalit Chandivade if (ha->chap_list == NULL) 48314549415aSLalit Chandivade ha->chap_list = vmalloc(chap_size); 48324549415aSLalit Chandivade if (ha->chap_list == NULL) { 48334549415aSLalit Chandivade ql4_printk(KERN_ERR, ha, "No memory for ha->chap_list\n"); 48344549415aSLalit Chandivade goto exit_chap_list; 48354549415aSLalit Chandivade } 48364549415aSLalit Chandivade 48374549415aSLalit Chandivade memcpy(ha->chap_list, chap_flash_data, chap_size); 48384549415aSLalit Chandivade 48394549415aSLalit Chandivade exit_chap_list: 48404549415aSLalit Chandivade dma_free_coherent(&ha->pdev->dev, chap_size, 48414549415aSLalit Chandivade chap_flash_data, chap_dma); 484213483730SMike Christie } 484313483730SMike Christie 484413483730SMike Christie static void qla4xxx_get_param_ddb(struct ddb_entry *ddb_entry, 484513483730SMike Christie struct ql4_tuple_ddb *tddb) 484613483730SMike Christie { 484713483730SMike Christie struct scsi_qla_host *ha; 484813483730SMike Christie struct iscsi_cls_session *cls_sess; 484913483730SMike Christie struct iscsi_cls_conn *cls_conn; 485013483730SMike Christie struct iscsi_session *sess; 485113483730SMike Christie struct iscsi_conn *conn; 485213483730SMike Christie 485313483730SMike Christie DEBUG2(printk(KERN_INFO "Func: %s\n", __func__)); 485413483730SMike Christie ha = ddb_entry->ha; 485513483730SMike Christie cls_sess = ddb_entry->sess; 485613483730SMike Christie sess = cls_sess->dd_data; 485713483730SMike Christie cls_conn = ddb_entry->conn; 485813483730SMike Christie conn = cls_conn->dd_data; 485913483730SMike Christie 486013483730SMike Christie tddb->tpgt = sess->tpgt; 486113483730SMike Christie tddb->port = conn->persistent_port; 486213483730SMike Christie strncpy(tddb->iscsi_name, sess->targetname, ISCSI_NAME_SIZE); 486313483730SMike Christie strncpy(tddb->ip_addr, conn->persistent_address, DDB_IPADDR_LEN); 486413483730SMike Christie } 486513483730SMike Christie 486613483730SMike Christie static void qla4xxx_convert_param_ddb(struct dev_db_entry *fw_ddb_entry, 48671cb78d73SVikas Chaudhary struct ql4_tuple_ddb *tddb, 48681cb78d73SVikas Chaudhary uint8_t *flash_isid) 486913483730SMike Christie { 487013483730SMike Christie uint16_t options = 0; 487113483730SMike Christie 487213483730SMike Christie tddb->tpgt = le32_to_cpu(fw_ddb_entry->tgt_portal_grp); 487313483730SMike Christie memcpy(&tddb->iscsi_name[0], &fw_ddb_entry->iscsi_name[0], 487413483730SMike Christie min(sizeof(tddb->iscsi_name), sizeof(fw_ddb_entry->iscsi_name))); 487513483730SMike Christie 487613483730SMike Christie options = le16_to_cpu(fw_ddb_entry->options); 487713483730SMike Christie if (options & DDB_OPT_IPV6_DEVICE) 487813483730SMike Christie sprintf(tddb->ip_addr, "%pI6", fw_ddb_entry->ip_addr); 487913483730SMike Christie else 488013483730SMike Christie sprintf(tddb->ip_addr, "%pI4", fw_ddb_entry->ip_addr); 488113483730SMike Christie 488213483730SMike Christie tddb->port = le16_to_cpu(fw_ddb_entry->port); 48831cb78d73SVikas Chaudhary 48841cb78d73SVikas Chaudhary if (flash_isid == NULL) 48851cb78d73SVikas Chaudhary memcpy(&tddb->isid[0], &fw_ddb_entry->isid[0], 48861cb78d73SVikas Chaudhary sizeof(tddb->isid)); 48871cb78d73SVikas Chaudhary else 48881cb78d73SVikas Chaudhary memcpy(&tddb->isid[0], &flash_isid[0], sizeof(tddb->isid)); 488913483730SMike Christie } 489013483730SMike Christie 489113483730SMike Christie static int qla4xxx_compare_tuple_ddb(struct scsi_qla_host *ha, 489213483730SMike Christie struct ql4_tuple_ddb *old_tddb, 4893173269efSManish Rangankar struct ql4_tuple_ddb *new_tddb, 4894173269efSManish Rangankar uint8_t is_isid_compare) 489513483730SMike Christie { 489613483730SMike Christie if (strcmp(old_tddb->iscsi_name, new_tddb->iscsi_name)) 489713483730SMike Christie return QLA_ERROR; 489813483730SMike Christie 489913483730SMike Christie if (strcmp(old_tddb->ip_addr, new_tddb->ip_addr)) 490013483730SMike Christie return QLA_ERROR; 490113483730SMike Christie 490213483730SMike Christie if (old_tddb->port != new_tddb->port) 490313483730SMike Christie return QLA_ERROR; 490413483730SMike Christie 4905173269efSManish Rangankar /* For multi sessions, driver generates the ISID, so do not compare 490659e13d48SMasanari Iida * ISID in reset path since it would be a comparison between the 4907173269efSManish Rangankar * driver generated ISID and firmware generated ISID. This could 4908173269efSManish Rangankar * lead to adding duplicated DDBs in the list as driver generated 4909173269efSManish Rangankar * ISID would not match firmware generated ISID. 4910173269efSManish Rangankar */ 4911173269efSManish Rangankar if (is_isid_compare) { 4912173269efSManish Rangankar DEBUG2(ql4_printk(KERN_INFO, ha, "%s: old ISID [%02x%02x%02x" 4913173269efSManish Rangankar "%02x%02x%02x] New ISID [%02x%02x%02x%02x%02x%02x]\n", 4914173269efSManish Rangankar __func__, old_tddb->isid[5], old_tddb->isid[4], 4915173269efSManish Rangankar old_tddb->isid[3], old_tddb->isid[2], old_tddb->isid[1], 4916173269efSManish Rangankar old_tddb->isid[0], new_tddb->isid[5], new_tddb->isid[4], 4917173269efSManish Rangankar new_tddb->isid[3], new_tddb->isid[2], new_tddb->isid[1], 4918173269efSManish Rangankar new_tddb->isid[0])); 4919173269efSManish Rangankar 4920173269efSManish Rangankar if (memcmp(&old_tddb->isid[0], &new_tddb->isid[0], 4921173269efSManish Rangankar sizeof(old_tddb->isid))) 4922173269efSManish Rangankar return QLA_ERROR; 4923173269efSManish Rangankar } 4924173269efSManish Rangankar 492513483730SMike Christie DEBUG2(ql4_printk(KERN_INFO, ha, 492613483730SMike Christie "Match Found, fw[%d,%d,%s,%s], [%d,%d,%s,%s]", 492713483730SMike Christie old_tddb->port, old_tddb->tpgt, old_tddb->ip_addr, 492813483730SMike Christie old_tddb->iscsi_name, new_tddb->port, new_tddb->tpgt, 492913483730SMike Christie new_tddb->ip_addr, new_tddb->iscsi_name)); 493013483730SMike Christie 493113483730SMike Christie return QLA_SUCCESS; 493213483730SMike Christie } 493313483730SMike Christie 493413483730SMike Christie static int qla4xxx_is_session_exists(struct scsi_qla_host *ha, 4935ad8bd45eSManish Rangankar struct dev_db_entry *fw_ddb_entry, 4936ad8bd45eSManish Rangankar uint32_t *index) 493713483730SMike Christie { 493813483730SMike Christie struct ddb_entry *ddb_entry; 493913483730SMike Christie struct ql4_tuple_ddb *fw_tddb = NULL; 494013483730SMike Christie struct ql4_tuple_ddb *tmp_tddb = NULL; 494113483730SMike Christie int idx; 494213483730SMike Christie int ret = QLA_ERROR; 494313483730SMike Christie 494413483730SMike Christie fw_tddb = vzalloc(sizeof(*fw_tddb)); 494513483730SMike Christie if (!fw_tddb) { 494613483730SMike Christie DEBUG2(ql4_printk(KERN_WARNING, ha, 494713483730SMike Christie "Memory Allocation failed.\n")); 494813483730SMike Christie ret = QLA_SUCCESS; 494913483730SMike Christie goto exit_check; 495013483730SMike Christie } 495113483730SMike Christie 495213483730SMike Christie tmp_tddb = vzalloc(sizeof(*tmp_tddb)); 495313483730SMike Christie if (!tmp_tddb) { 495413483730SMike Christie DEBUG2(ql4_printk(KERN_WARNING, ha, 495513483730SMike Christie "Memory Allocation failed.\n")); 495613483730SMike Christie ret = QLA_SUCCESS; 495713483730SMike Christie goto exit_check; 495813483730SMike Christie } 495913483730SMike Christie 49601cb78d73SVikas Chaudhary qla4xxx_convert_param_ddb(fw_ddb_entry, fw_tddb, NULL); 496113483730SMike Christie 496213483730SMike Christie for (idx = 0; idx < MAX_DDB_ENTRIES; idx++) { 496313483730SMike Christie ddb_entry = qla4xxx_lookup_ddb_by_fw_index(ha, idx); 496413483730SMike Christie if (ddb_entry == NULL) 496513483730SMike Christie continue; 496613483730SMike Christie 496713483730SMike Christie qla4xxx_get_param_ddb(ddb_entry, tmp_tddb); 4968173269efSManish Rangankar if (!qla4xxx_compare_tuple_ddb(ha, fw_tddb, tmp_tddb, false)) { 496913483730SMike Christie ret = QLA_SUCCESS; /* found */ 4970ad8bd45eSManish Rangankar if (index != NULL) 4971ad8bd45eSManish Rangankar *index = idx; 497213483730SMike Christie goto exit_check; 497313483730SMike Christie } 497413483730SMike Christie } 497513483730SMike Christie 497613483730SMike Christie exit_check: 497713483730SMike Christie if (fw_tddb) 497813483730SMike Christie vfree(fw_tddb); 497913483730SMike Christie if (tmp_tddb) 498013483730SMike Christie vfree(tmp_tddb); 498113483730SMike Christie return ret; 498213483730SMike Christie } 498313483730SMike Christie 49841cb78d73SVikas Chaudhary /** 49851cb78d73SVikas Chaudhary * qla4xxx_check_existing_isid - check if target with same isid exist 49861cb78d73SVikas Chaudhary * in target list 49871cb78d73SVikas Chaudhary * @list_nt: list of target 49881cb78d73SVikas Chaudhary * @isid: isid to check 49891cb78d73SVikas Chaudhary * 49901cb78d73SVikas Chaudhary * This routine return QLA_SUCCESS if target with same isid exist 49911cb78d73SVikas Chaudhary **/ 49921cb78d73SVikas Chaudhary static int qla4xxx_check_existing_isid(struct list_head *list_nt, uint8_t *isid) 49931cb78d73SVikas Chaudhary { 49941cb78d73SVikas Chaudhary struct qla_ddb_index *nt_ddb_idx, *nt_ddb_idx_tmp; 49951cb78d73SVikas Chaudhary struct dev_db_entry *fw_ddb_entry; 49961cb78d73SVikas Chaudhary 49971cb78d73SVikas Chaudhary list_for_each_entry_safe(nt_ddb_idx, nt_ddb_idx_tmp, list_nt, list) { 49981cb78d73SVikas Chaudhary fw_ddb_entry = &nt_ddb_idx->fw_ddb; 49991cb78d73SVikas Chaudhary 50001cb78d73SVikas Chaudhary if (memcmp(&fw_ddb_entry->isid[0], &isid[0], 50011cb78d73SVikas Chaudhary sizeof(nt_ddb_idx->fw_ddb.isid)) == 0) { 50021cb78d73SVikas Chaudhary return QLA_SUCCESS; 50031cb78d73SVikas Chaudhary } 50041cb78d73SVikas Chaudhary } 50051cb78d73SVikas Chaudhary return QLA_ERROR; 50061cb78d73SVikas Chaudhary } 50071cb78d73SVikas Chaudhary 50081cb78d73SVikas Chaudhary /** 50091cb78d73SVikas Chaudhary * qla4xxx_update_isid - compare ddbs and updated isid 50101cb78d73SVikas Chaudhary * @ha: Pointer to host adapter structure. 50111cb78d73SVikas Chaudhary * @list_nt: list of nt target 50121cb78d73SVikas Chaudhary * @fw_ddb_entry: firmware ddb entry 50131cb78d73SVikas Chaudhary * 50141cb78d73SVikas Chaudhary * This routine update isid if ddbs have same iqn, same isid and 50151cb78d73SVikas Chaudhary * different IP addr. 50161cb78d73SVikas Chaudhary * Return QLA_SUCCESS if isid is updated. 50171cb78d73SVikas Chaudhary **/ 50181cb78d73SVikas Chaudhary static int qla4xxx_update_isid(struct scsi_qla_host *ha, 50191cb78d73SVikas Chaudhary struct list_head *list_nt, 50201cb78d73SVikas Chaudhary struct dev_db_entry *fw_ddb_entry) 50211cb78d73SVikas Chaudhary { 50221cb78d73SVikas Chaudhary uint8_t base_value, i; 50231cb78d73SVikas Chaudhary 50241cb78d73SVikas Chaudhary base_value = fw_ddb_entry->isid[1] & 0x1f; 50251cb78d73SVikas Chaudhary for (i = 0; i < 8; i++) { 50261cb78d73SVikas Chaudhary fw_ddb_entry->isid[1] = (base_value | (i << 5)); 50271cb78d73SVikas Chaudhary if (qla4xxx_check_existing_isid(list_nt, fw_ddb_entry->isid)) 50281cb78d73SVikas Chaudhary break; 50291cb78d73SVikas Chaudhary } 50301cb78d73SVikas Chaudhary 50311cb78d73SVikas Chaudhary if (!qla4xxx_check_existing_isid(list_nt, fw_ddb_entry->isid)) 50321cb78d73SVikas Chaudhary return QLA_ERROR; 50331cb78d73SVikas Chaudhary 50341cb78d73SVikas Chaudhary return QLA_SUCCESS; 50351cb78d73SVikas Chaudhary } 50361cb78d73SVikas Chaudhary 50371cb78d73SVikas Chaudhary /** 50381cb78d73SVikas Chaudhary * qla4xxx_should_update_isid - check if isid need to update 50391cb78d73SVikas Chaudhary * @ha: Pointer to host adapter structure. 50401cb78d73SVikas Chaudhary * @old_tddb: ddb tuple 50411cb78d73SVikas Chaudhary * @new_tddb: ddb tuple 50421cb78d73SVikas Chaudhary * 50431cb78d73SVikas Chaudhary * Return QLA_SUCCESS if different IP, different PORT, same iqn, 50441cb78d73SVikas Chaudhary * same isid 50451cb78d73SVikas Chaudhary **/ 50461cb78d73SVikas Chaudhary static int qla4xxx_should_update_isid(struct scsi_qla_host *ha, 50471cb78d73SVikas Chaudhary struct ql4_tuple_ddb *old_tddb, 50481cb78d73SVikas Chaudhary struct ql4_tuple_ddb *new_tddb) 50491cb78d73SVikas Chaudhary { 50501cb78d73SVikas Chaudhary if (strcmp(old_tddb->ip_addr, new_tddb->ip_addr) == 0) { 50511cb78d73SVikas Chaudhary /* Same ip */ 50521cb78d73SVikas Chaudhary if (old_tddb->port == new_tddb->port) 50531cb78d73SVikas Chaudhary return QLA_ERROR; 50541cb78d73SVikas Chaudhary } 50551cb78d73SVikas Chaudhary 50561cb78d73SVikas Chaudhary if (strcmp(old_tddb->iscsi_name, new_tddb->iscsi_name)) 50571cb78d73SVikas Chaudhary /* different iqn */ 50581cb78d73SVikas Chaudhary return QLA_ERROR; 50591cb78d73SVikas Chaudhary 50601cb78d73SVikas Chaudhary if (memcmp(&old_tddb->isid[0], &new_tddb->isid[0], 50611cb78d73SVikas Chaudhary sizeof(old_tddb->isid))) 50621cb78d73SVikas Chaudhary /* different isid */ 50631cb78d73SVikas Chaudhary return QLA_ERROR; 50641cb78d73SVikas Chaudhary 50651cb78d73SVikas Chaudhary return QLA_SUCCESS; 50661cb78d73SVikas Chaudhary } 50671cb78d73SVikas Chaudhary 50681cb78d73SVikas Chaudhary /** 50691cb78d73SVikas Chaudhary * qla4xxx_is_flash_ddb_exists - check if fw_ddb_entry already exists in list_nt 50701cb78d73SVikas Chaudhary * @ha: Pointer to host adapter structure. 50711cb78d73SVikas Chaudhary * @list_nt: list of nt target. 50721cb78d73SVikas Chaudhary * @fw_ddb_entry: firmware ddb entry. 50731cb78d73SVikas Chaudhary * 50741cb78d73SVikas Chaudhary * This routine check if fw_ddb_entry already exists in list_nt to avoid 50751cb78d73SVikas Chaudhary * duplicate ddb in list_nt. 50761cb78d73SVikas Chaudhary * Return QLA_SUCCESS if duplicate ddb exit in list_nl. 50771cb78d73SVikas Chaudhary * Note: This function also update isid of DDB if required. 50781cb78d73SVikas Chaudhary **/ 50791cb78d73SVikas Chaudhary 508013483730SMike Christie static int qla4xxx_is_flash_ddb_exists(struct scsi_qla_host *ha, 508113483730SMike Christie struct list_head *list_nt, 508213483730SMike Christie struct dev_db_entry *fw_ddb_entry) 508313483730SMike Christie { 508413483730SMike Christie struct qla_ddb_index *nt_ddb_idx, *nt_ddb_idx_tmp; 508513483730SMike Christie struct ql4_tuple_ddb *fw_tddb = NULL; 508613483730SMike Christie struct ql4_tuple_ddb *tmp_tddb = NULL; 50871cb78d73SVikas Chaudhary int rval, ret = QLA_ERROR; 508813483730SMike Christie 508913483730SMike Christie fw_tddb = vzalloc(sizeof(*fw_tddb)); 509013483730SMike Christie if (!fw_tddb) { 509113483730SMike Christie DEBUG2(ql4_printk(KERN_WARNING, ha, 509213483730SMike Christie "Memory Allocation failed.\n")); 509313483730SMike Christie ret = QLA_SUCCESS; 509413483730SMike Christie goto exit_check; 509513483730SMike Christie } 509613483730SMike Christie 509713483730SMike Christie tmp_tddb = vzalloc(sizeof(*tmp_tddb)); 509813483730SMike Christie if (!tmp_tddb) { 509913483730SMike Christie DEBUG2(ql4_printk(KERN_WARNING, ha, 510013483730SMike Christie "Memory Allocation failed.\n")); 510113483730SMike Christie ret = QLA_SUCCESS; 510213483730SMike Christie goto exit_check; 510313483730SMike Christie } 510413483730SMike Christie 51051cb78d73SVikas Chaudhary qla4xxx_convert_param_ddb(fw_ddb_entry, fw_tddb, NULL); 510613483730SMike Christie 510713483730SMike Christie list_for_each_entry_safe(nt_ddb_idx, nt_ddb_idx_tmp, list_nt, list) { 51081cb78d73SVikas Chaudhary qla4xxx_convert_param_ddb(&nt_ddb_idx->fw_ddb, tmp_tddb, 51091cb78d73SVikas Chaudhary nt_ddb_idx->flash_isid); 51101cb78d73SVikas Chaudhary ret = qla4xxx_compare_tuple_ddb(ha, fw_tddb, tmp_tddb, true); 51111cb78d73SVikas Chaudhary /* found duplicate ddb */ 51121cb78d73SVikas Chaudhary if (ret == QLA_SUCCESS) 51131cb78d73SVikas Chaudhary goto exit_check; 51141cb78d73SVikas Chaudhary } 51151cb78d73SVikas Chaudhary 51161cb78d73SVikas Chaudhary list_for_each_entry_safe(nt_ddb_idx, nt_ddb_idx_tmp, list_nt, list) { 51171cb78d73SVikas Chaudhary qla4xxx_convert_param_ddb(&nt_ddb_idx->fw_ddb, tmp_tddb, NULL); 51181cb78d73SVikas Chaudhary 51191cb78d73SVikas Chaudhary ret = qla4xxx_should_update_isid(ha, tmp_tddb, fw_tddb); 51201cb78d73SVikas Chaudhary if (ret == QLA_SUCCESS) { 51211cb78d73SVikas Chaudhary rval = qla4xxx_update_isid(ha, list_nt, fw_ddb_entry); 51221cb78d73SVikas Chaudhary if (rval == QLA_SUCCESS) 51231cb78d73SVikas Chaudhary ret = QLA_ERROR; 51241cb78d73SVikas Chaudhary else 51251cb78d73SVikas Chaudhary ret = QLA_SUCCESS; 51261cb78d73SVikas Chaudhary 512713483730SMike Christie goto exit_check; 512813483730SMike Christie } 512913483730SMike Christie } 513013483730SMike Christie 513113483730SMike Christie exit_check: 513213483730SMike Christie if (fw_tddb) 513313483730SMike Christie vfree(fw_tddb); 513413483730SMike Christie if (tmp_tddb) 513513483730SMike Christie vfree(tmp_tddb); 513613483730SMike Christie return ret; 513713483730SMike Christie } 513813483730SMike Christie 51394a4bc2e9SLalit Chandivade static void qla4xxx_free_ddb_list(struct list_head *list_ddb) 514013483730SMike Christie { 51414a4bc2e9SLalit Chandivade struct qla_ddb_index *ddb_idx, *ddb_idx_tmp; 514213483730SMike Christie 51434a4bc2e9SLalit Chandivade list_for_each_entry_safe(ddb_idx, ddb_idx_tmp, list_ddb, list) { 51444a4bc2e9SLalit Chandivade list_del_init(&ddb_idx->list); 51454a4bc2e9SLalit Chandivade vfree(ddb_idx); 514613483730SMike Christie } 514713483730SMike Christie } 514813483730SMike Christie 514913483730SMike Christie static struct iscsi_endpoint *qla4xxx_get_ep_fwdb(struct scsi_qla_host *ha, 515013483730SMike Christie struct dev_db_entry *fw_ddb_entry) 515113483730SMike Christie { 515213483730SMike Christie struct iscsi_endpoint *ep; 515313483730SMike Christie struct sockaddr_in *addr; 515413483730SMike Christie struct sockaddr_in6 *addr6; 51553dd4849cSManish Rangankar struct sockaddr *t_addr; 51563dd4849cSManish Rangankar struct sockaddr_storage *dst_addr; 515713483730SMike Christie char *ip; 515813483730SMike Christie 515913483730SMike Christie /* TODO: need to destroy on unload iscsi_endpoint*/ 516013483730SMike Christie dst_addr = vmalloc(sizeof(*dst_addr)); 516113483730SMike Christie if (!dst_addr) 516213483730SMike Christie return NULL; 516313483730SMike Christie 516413483730SMike Christie if (fw_ddb_entry->options & DDB_OPT_IPV6_DEVICE) { 51653dd4849cSManish Rangankar t_addr = (struct sockaddr *)dst_addr; 51663dd4849cSManish Rangankar t_addr->sa_family = AF_INET6; 516713483730SMike Christie addr6 = (struct sockaddr_in6 *)dst_addr; 516813483730SMike Christie ip = (char *)&addr6->sin6_addr; 516913483730SMike Christie memcpy(ip, fw_ddb_entry->ip_addr, IPv6_ADDR_LEN); 517013483730SMike Christie addr6->sin6_port = htons(le16_to_cpu(fw_ddb_entry->port)); 517113483730SMike Christie 517213483730SMike Christie } else { 51733dd4849cSManish Rangankar t_addr = (struct sockaddr *)dst_addr; 51743dd4849cSManish Rangankar t_addr->sa_family = AF_INET; 517513483730SMike Christie addr = (struct sockaddr_in *)dst_addr; 517613483730SMike Christie ip = (char *)&addr->sin_addr; 517713483730SMike Christie memcpy(ip, fw_ddb_entry->ip_addr, IP_ADDR_LEN); 517813483730SMike Christie addr->sin_port = htons(le16_to_cpu(fw_ddb_entry->port)); 517913483730SMike Christie } 518013483730SMike Christie 51813dd4849cSManish Rangankar ep = qla4xxx_ep_connect(ha->host, (struct sockaddr *)dst_addr, 0); 518213483730SMike Christie vfree(dst_addr); 518313483730SMike Christie return ep; 518413483730SMike Christie } 518513483730SMike Christie 518613483730SMike Christie static int qla4xxx_verify_boot_idx(struct scsi_qla_host *ha, uint16_t idx) 518713483730SMike Christie { 518813483730SMike Christie if (ql4xdisablesysfsboot) 518913483730SMike Christie return QLA_SUCCESS; 519013483730SMike Christie if (idx == ha->pri_ddb_idx || idx == ha->sec_ddb_idx) 519113483730SMike Christie return QLA_ERROR; 519213483730SMike Christie return QLA_SUCCESS; 519313483730SMike Christie } 519413483730SMike Christie 519513483730SMike Christie static void qla4xxx_setup_flash_ddb_entry(struct scsi_qla_host *ha, 51961dc8ed5dSManish Rangankar struct ddb_entry *ddb_entry, 51971dc8ed5dSManish Rangankar uint16_t idx) 519813483730SMike Christie { 5199c28eaacaSNilesh Javali uint16_t def_timeout; 5200c28eaacaSNilesh Javali 520113483730SMike Christie ddb_entry->ddb_type = FLASH_DDB; 520213483730SMike Christie ddb_entry->fw_ddb_index = INVALID_ENTRY; 520313483730SMike Christie ddb_entry->fw_ddb_device_state = DDB_DS_NO_CONNECTION_ACTIVE; 520413483730SMike Christie ddb_entry->ha = ha; 520513483730SMike Christie ddb_entry->unblock_sess = qla4xxx_unblock_flash_ddb; 520613483730SMike Christie ddb_entry->ddb_change = qla4xxx_flash_ddb_change; 520713483730SMike Christie 520813483730SMike Christie atomic_set(&ddb_entry->retry_relogin_timer, INVALID_ENTRY); 520913483730SMike Christie atomic_set(&ddb_entry->relogin_timer, 0); 521013483730SMike Christie atomic_set(&ddb_entry->relogin_retry_count, 0); 5211c28eaacaSNilesh Javali def_timeout = le16_to_cpu(ddb_entry->fw_ddb_entry.def_timeout); 521213483730SMike Christie ddb_entry->default_relogin_timeout = 5213c28eaacaSNilesh Javali (def_timeout > LOGIN_TOV) && (def_timeout < LOGIN_TOV * 10) ? 5214c28eaacaSNilesh Javali def_timeout : LOGIN_TOV; 521513483730SMike Christie ddb_entry->default_time2wait = 521613483730SMike Christie le16_to_cpu(ddb_entry->fw_ddb_entry.iscsi_def_time2wait); 52171dc8ed5dSManish Rangankar 52181dc8ed5dSManish Rangankar if (ql4xdisablesysfsboot && 52191dc8ed5dSManish Rangankar (idx == ha->pri_ddb_idx || idx == ha->sec_ddb_idx)) 52201dc8ed5dSManish Rangankar set_bit(DF_BOOT_TGT, &ddb_entry->flags); 522113483730SMike Christie } 522213483730SMike Christie 522313483730SMike Christie static void qla4xxx_wait_for_ip_configuration(struct scsi_qla_host *ha) 522413483730SMike Christie { 522513483730SMike Christie uint32_t idx = 0; 522613483730SMike Christie uint32_t ip_idx[IP_ADDR_COUNT] = {0, 1, 2, 3}; /* 4 IP interfaces */ 522713483730SMike Christie uint32_t sts[MBOX_REG_COUNT]; 522813483730SMike Christie uint32_t ip_state; 522913483730SMike Christie unsigned long wtime; 523013483730SMike Christie int ret; 523113483730SMike Christie 523213483730SMike Christie wtime = jiffies + (HZ * IP_CONFIG_TOV); 523313483730SMike Christie do { 523413483730SMike Christie for (idx = 0; idx < IP_ADDR_COUNT; idx++) { 523513483730SMike Christie if (ip_idx[idx] == -1) 523613483730SMike Christie continue; 523713483730SMike Christie 523813483730SMike Christie ret = qla4xxx_get_ip_state(ha, 0, ip_idx[idx], sts); 523913483730SMike Christie 524013483730SMike Christie if (ret == QLA_ERROR) { 524113483730SMike Christie ip_idx[idx] = -1; 524213483730SMike Christie continue; 524313483730SMike Christie } 524413483730SMike Christie 524513483730SMike Christie ip_state = (sts[1] & IP_STATE_MASK) >> IP_STATE_SHIFT; 524613483730SMike Christie 524713483730SMike Christie DEBUG2(ql4_printk(KERN_INFO, ha, 524813483730SMike Christie "Waiting for IP state for idx = %d, state = 0x%x\n", 524913483730SMike Christie ip_idx[idx], ip_state)); 525013483730SMike Christie if (ip_state == IP_ADDRSTATE_UNCONFIGURED || 525113483730SMike Christie ip_state == IP_ADDRSTATE_INVALID || 525213483730SMike Christie ip_state == IP_ADDRSTATE_PREFERRED || 525313483730SMike Christie ip_state == IP_ADDRSTATE_DEPRICATED || 525413483730SMike Christie ip_state == IP_ADDRSTATE_DISABLING) 525513483730SMike Christie ip_idx[idx] = -1; 525613483730SMike Christie } 525713483730SMike Christie 525813483730SMike Christie /* Break if all IP states checked */ 525913483730SMike Christie if ((ip_idx[0] == -1) && 526013483730SMike Christie (ip_idx[1] == -1) && 526113483730SMike Christie (ip_idx[2] == -1) && 526213483730SMike Christie (ip_idx[3] == -1)) 526313483730SMike Christie break; 526413483730SMike Christie schedule_timeout_uninterruptible(HZ); 526513483730SMike Christie } while (time_after(wtime, jiffies)); 526613483730SMike Christie } 526713483730SMike Christie 5268ad8bd45eSManish Rangankar static int qla4xxx_cmp_fw_stentry(struct dev_db_entry *fw_ddb_entry, 5269ad8bd45eSManish Rangankar struct dev_db_entry *flash_ddb_entry) 5270ad8bd45eSManish Rangankar { 5271ad8bd45eSManish Rangankar uint16_t options = 0; 5272ad8bd45eSManish Rangankar size_t ip_len = IP_ADDR_LEN; 5273ad8bd45eSManish Rangankar 5274ad8bd45eSManish Rangankar options = le16_to_cpu(fw_ddb_entry->options); 5275ad8bd45eSManish Rangankar if (options & DDB_OPT_IPV6_DEVICE) 5276ad8bd45eSManish Rangankar ip_len = IPv6_ADDR_LEN; 5277ad8bd45eSManish Rangankar 5278ad8bd45eSManish Rangankar if (memcmp(fw_ddb_entry->ip_addr, flash_ddb_entry->ip_addr, ip_len)) 5279ad8bd45eSManish Rangankar return QLA_ERROR; 5280ad8bd45eSManish Rangankar 5281ad8bd45eSManish Rangankar if (memcmp(&fw_ddb_entry->isid[0], &flash_ddb_entry->isid[0], 5282ad8bd45eSManish Rangankar sizeof(fw_ddb_entry->isid))) 5283ad8bd45eSManish Rangankar return QLA_ERROR; 5284ad8bd45eSManish Rangankar 5285ad8bd45eSManish Rangankar if (memcmp(&fw_ddb_entry->port, &flash_ddb_entry->port, 5286ad8bd45eSManish Rangankar sizeof(fw_ddb_entry->port))) 5287ad8bd45eSManish Rangankar return QLA_ERROR; 5288ad8bd45eSManish Rangankar 5289ad8bd45eSManish Rangankar return QLA_SUCCESS; 5290ad8bd45eSManish Rangankar } 5291ad8bd45eSManish Rangankar 5292ad8bd45eSManish Rangankar static int qla4xxx_find_flash_st_idx(struct scsi_qla_host *ha, 5293ad8bd45eSManish Rangankar struct dev_db_entry *fw_ddb_entry, 5294ad8bd45eSManish Rangankar uint32_t fw_idx, uint32_t *flash_index) 5295ad8bd45eSManish Rangankar { 5296ad8bd45eSManish Rangankar struct dev_db_entry *flash_ddb_entry; 5297ad8bd45eSManish Rangankar dma_addr_t flash_ddb_entry_dma; 5298ad8bd45eSManish Rangankar uint32_t idx = 0; 5299ad8bd45eSManish Rangankar int max_ddbs; 5300ad8bd45eSManish Rangankar int ret = QLA_ERROR, status; 5301ad8bd45eSManish Rangankar 5302ad8bd45eSManish Rangankar max_ddbs = is_qla40XX(ha) ? MAX_DEV_DB_ENTRIES_40XX : 5303ad8bd45eSManish Rangankar MAX_DEV_DB_ENTRIES; 5304ad8bd45eSManish Rangankar 5305ad8bd45eSManish Rangankar flash_ddb_entry = dma_pool_alloc(ha->fw_ddb_dma_pool, GFP_KERNEL, 5306ad8bd45eSManish Rangankar &flash_ddb_entry_dma); 5307ad8bd45eSManish Rangankar if (flash_ddb_entry == NULL || fw_ddb_entry == NULL) { 5308ad8bd45eSManish Rangankar ql4_printk(KERN_ERR, ha, "Out of memory\n"); 5309ad8bd45eSManish Rangankar goto exit_find_st_idx; 5310ad8bd45eSManish Rangankar } 5311ad8bd45eSManish Rangankar 5312ad8bd45eSManish Rangankar status = qla4xxx_flashdb_by_index(ha, flash_ddb_entry, 5313ad8bd45eSManish Rangankar flash_ddb_entry_dma, fw_idx); 5314ad8bd45eSManish Rangankar if (status == QLA_SUCCESS) { 5315ad8bd45eSManish Rangankar status = qla4xxx_cmp_fw_stentry(fw_ddb_entry, flash_ddb_entry); 5316ad8bd45eSManish Rangankar if (status == QLA_SUCCESS) { 5317ad8bd45eSManish Rangankar *flash_index = fw_idx; 5318ad8bd45eSManish Rangankar ret = QLA_SUCCESS; 5319ad8bd45eSManish Rangankar goto exit_find_st_idx; 5320ad8bd45eSManish Rangankar } 5321ad8bd45eSManish Rangankar } 5322ad8bd45eSManish Rangankar 5323ad8bd45eSManish Rangankar for (idx = 0; idx < max_ddbs; idx++) { 5324ad8bd45eSManish Rangankar status = qla4xxx_flashdb_by_index(ha, flash_ddb_entry, 5325ad8bd45eSManish Rangankar flash_ddb_entry_dma, idx); 5326ad8bd45eSManish Rangankar if (status == QLA_ERROR) 5327ad8bd45eSManish Rangankar continue; 5328ad8bd45eSManish Rangankar 5329ad8bd45eSManish Rangankar status = qla4xxx_cmp_fw_stentry(fw_ddb_entry, flash_ddb_entry); 5330ad8bd45eSManish Rangankar if (status == QLA_SUCCESS) { 5331ad8bd45eSManish Rangankar *flash_index = idx; 5332ad8bd45eSManish Rangankar ret = QLA_SUCCESS; 5333ad8bd45eSManish Rangankar goto exit_find_st_idx; 5334ad8bd45eSManish Rangankar } 5335ad8bd45eSManish Rangankar } 5336ad8bd45eSManish Rangankar 5337ad8bd45eSManish Rangankar if (idx == max_ddbs) 5338ad8bd45eSManish Rangankar ql4_printk(KERN_ERR, ha, "Failed to find ST [%d] in flash\n", 5339ad8bd45eSManish Rangankar fw_idx); 5340ad8bd45eSManish Rangankar 5341ad8bd45eSManish Rangankar exit_find_st_idx: 5342ad8bd45eSManish Rangankar if (flash_ddb_entry) 5343ad8bd45eSManish Rangankar dma_pool_free(ha->fw_ddb_dma_pool, flash_ddb_entry, 5344ad8bd45eSManish Rangankar flash_ddb_entry_dma); 5345ad8bd45eSManish Rangankar 5346ad8bd45eSManish Rangankar return ret; 5347ad8bd45eSManish Rangankar } 5348ad8bd45eSManish Rangankar 53494a4bc2e9SLalit Chandivade static void qla4xxx_build_st_list(struct scsi_qla_host *ha, 53504a4bc2e9SLalit Chandivade struct list_head *list_st) 535113483730SMike Christie { 53524a4bc2e9SLalit Chandivade struct qla_ddb_index *st_ddb_idx; 535313483730SMike Christie int max_ddbs; 53544a4bc2e9SLalit Chandivade int fw_idx_size; 53554a4bc2e9SLalit Chandivade struct dev_db_entry *fw_ddb_entry; 53564a4bc2e9SLalit Chandivade dma_addr_t fw_ddb_dma; 535713483730SMike Christie int ret; 535813483730SMike Christie uint32_t idx = 0, next_idx = 0; 535913483730SMike Christie uint32_t state = 0, conn_err = 0; 5360ad8bd45eSManish Rangankar uint32_t flash_index = -1; 53614a4bc2e9SLalit Chandivade uint16_t conn_id = 0; 536213483730SMike Christie 536313483730SMike Christie fw_ddb_entry = dma_pool_alloc(ha->fw_ddb_dma_pool, GFP_KERNEL, 536413483730SMike Christie &fw_ddb_dma); 536513483730SMike Christie if (fw_ddb_entry == NULL) { 536613483730SMike Christie DEBUG2(ql4_printk(KERN_ERR, ha, "Out of memory\n")); 53674a4bc2e9SLalit Chandivade goto exit_st_list; 536813483730SMike Christie } 536913483730SMike Christie 53704a4bc2e9SLalit Chandivade max_ddbs = is_qla40XX(ha) ? MAX_DEV_DB_ENTRIES_40XX : 53714a4bc2e9SLalit Chandivade MAX_DEV_DB_ENTRIES; 537213483730SMike Christie fw_idx_size = sizeof(struct qla_ddb_index); 537313483730SMike Christie 537413483730SMike Christie for (idx = 0; idx < max_ddbs; idx = next_idx) { 53754a4bc2e9SLalit Chandivade ret = qla4xxx_get_fwddb_entry(ha, idx, fw_ddb_entry, fw_ddb_dma, 53764a4bc2e9SLalit Chandivade NULL, &next_idx, &state, 53774a4bc2e9SLalit Chandivade &conn_err, NULL, &conn_id); 537813483730SMike Christie if (ret == QLA_ERROR) 537913483730SMike Christie break; 538013483730SMike Christie 5381981c982cSLalit Chandivade /* Ignore DDB if invalid state (unassigned) */ 5382981c982cSLalit Chandivade if (state == DDB_DS_UNASSIGNED) 5383981c982cSLalit Chandivade goto continue_next_st; 5384981c982cSLalit Chandivade 538513483730SMike Christie /* Check if ST, add to the list_st */ 538613483730SMike Christie if (strlen((char *) fw_ddb_entry->iscsi_name) != 0) 538713483730SMike Christie goto continue_next_st; 538813483730SMike Christie 538913483730SMike Christie st_ddb_idx = vzalloc(fw_idx_size); 539013483730SMike Christie if (!st_ddb_idx) 539113483730SMike Christie break; 539213483730SMike Christie 5393ad8bd45eSManish Rangankar ret = qla4xxx_find_flash_st_idx(ha, fw_ddb_entry, idx, 5394ad8bd45eSManish Rangankar &flash_index); 5395ad8bd45eSManish Rangankar if (ret == QLA_ERROR) { 5396ad8bd45eSManish Rangankar ql4_printk(KERN_ERR, ha, 5397ad8bd45eSManish Rangankar "No flash entry for ST at idx [%d]\n", idx); 5398ad8bd45eSManish Rangankar st_ddb_idx->flash_ddb_idx = idx; 5399ad8bd45eSManish Rangankar } else { 5400ad8bd45eSManish Rangankar ql4_printk(KERN_INFO, ha, 5401ad8bd45eSManish Rangankar "ST at idx [%d] is stored at flash [%d]\n", 5402ad8bd45eSManish Rangankar idx, flash_index); 5403ad8bd45eSManish Rangankar st_ddb_idx->flash_ddb_idx = flash_index; 5404ad8bd45eSManish Rangankar } 5405ad8bd45eSManish Rangankar 540613483730SMike Christie st_ddb_idx->fw_ddb_idx = idx; 540713483730SMike Christie 54084a4bc2e9SLalit Chandivade list_add_tail(&st_ddb_idx->list, list_st); 540913483730SMike Christie continue_next_st: 541013483730SMike Christie if (next_idx == 0) 541113483730SMike Christie break; 541213483730SMike Christie } 541313483730SMike Christie 54144a4bc2e9SLalit Chandivade exit_st_list: 54154a4bc2e9SLalit Chandivade if (fw_ddb_entry) 54164a4bc2e9SLalit Chandivade dma_pool_free(ha->fw_ddb_dma_pool, fw_ddb_entry, fw_ddb_dma); 54174a4bc2e9SLalit Chandivade } 54184a4bc2e9SLalit Chandivade 54194a4bc2e9SLalit Chandivade /** 54204a4bc2e9SLalit Chandivade * qla4xxx_remove_failed_ddb - Remove inactive or failed ddb from list 54214a4bc2e9SLalit Chandivade * @ha: pointer to adapter structure 54224a4bc2e9SLalit Chandivade * @list_ddb: List from which failed ddb to be removed 54234a4bc2e9SLalit Chandivade * 54244a4bc2e9SLalit Chandivade * Iterate over the list of DDBs and find and remove DDBs that are either in 54254a4bc2e9SLalit Chandivade * no connection active state or failed state 54264a4bc2e9SLalit Chandivade **/ 54274a4bc2e9SLalit Chandivade static void qla4xxx_remove_failed_ddb(struct scsi_qla_host *ha, 54284a4bc2e9SLalit Chandivade struct list_head *list_ddb) 54294a4bc2e9SLalit Chandivade { 54304a4bc2e9SLalit Chandivade struct qla_ddb_index *ddb_idx, *ddb_idx_tmp; 54314a4bc2e9SLalit Chandivade uint32_t next_idx = 0; 54324a4bc2e9SLalit Chandivade uint32_t state = 0, conn_err = 0; 54334a4bc2e9SLalit Chandivade int ret; 54344a4bc2e9SLalit Chandivade 54354a4bc2e9SLalit Chandivade list_for_each_entry_safe(ddb_idx, ddb_idx_tmp, list_ddb, list) { 54364a4bc2e9SLalit Chandivade ret = qla4xxx_get_fwddb_entry(ha, ddb_idx->fw_ddb_idx, 54374a4bc2e9SLalit Chandivade NULL, 0, NULL, &next_idx, &state, 54384a4bc2e9SLalit Chandivade &conn_err, NULL, NULL); 54394a4bc2e9SLalit Chandivade if (ret == QLA_ERROR) 54404a4bc2e9SLalit Chandivade continue; 54414a4bc2e9SLalit Chandivade 54424a4bc2e9SLalit Chandivade if (state == DDB_DS_NO_CONNECTION_ACTIVE || 54434a4bc2e9SLalit Chandivade state == DDB_DS_SESSION_FAILED) { 54444a4bc2e9SLalit Chandivade list_del_init(&ddb_idx->list); 54454a4bc2e9SLalit Chandivade vfree(ddb_idx); 54464a4bc2e9SLalit Chandivade } 54474a4bc2e9SLalit Chandivade } 54484a4bc2e9SLalit Chandivade } 54494a4bc2e9SLalit Chandivade 5450ad8bd45eSManish Rangankar static void qla4xxx_update_sess_disc_idx(struct scsi_qla_host *ha, 5451ad8bd45eSManish Rangankar struct ddb_entry *ddb_entry, 5452ad8bd45eSManish Rangankar struct dev_db_entry *fw_ddb_entry) 5453ad8bd45eSManish Rangankar { 5454ad8bd45eSManish Rangankar struct iscsi_cls_session *cls_sess; 5455ad8bd45eSManish Rangankar struct iscsi_session *sess; 5456ad8bd45eSManish Rangankar uint32_t max_ddbs = 0; 5457ad8bd45eSManish Rangankar uint16_t ddb_link = -1; 5458ad8bd45eSManish Rangankar 5459ad8bd45eSManish Rangankar max_ddbs = is_qla40XX(ha) ? MAX_DEV_DB_ENTRIES_40XX : 5460ad8bd45eSManish Rangankar MAX_DEV_DB_ENTRIES; 5461ad8bd45eSManish Rangankar 5462ad8bd45eSManish Rangankar cls_sess = ddb_entry->sess; 5463ad8bd45eSManish Rangankar sess = cls_sess->dd_data; 5464ad8bd45eSManish Rangankar 5465ad8bd45eSManish Rangankar ddb_link = le16_to_cpu(fw_ddb_entry->ddb_link); 5466ad8bd45eSManish Rangankar if (ddb_link < max_ddbs) 5467ad8bd45eSManish Rangankar sess->discovery_parent_idx = ddb_link; 5468ad8bd45eSManish Rangankar else 5469ad8bd45eSManish Rangankar sess->discovery_parent_idx = DDB_NO_LINK; 5470ad8bd45eSManish Rangankar } 5471ad8bd45eSManish Rangankar 54724a4bc2e9SLalit Chandivade static int qla4xxx_sess_conn_setup(struct scsi_qla_host *ha, 54734a4bc2e9SLalit Chandivade struct dev_db_entry *fw_ddb_entry, 54741dc8ed5dSManish Rangankar int is_reset, uint16_t idx) 54754a4bc2e9SLalit Chandivade { 54764a4bc2e9SLalit Chandivade struct iscsi_cls_session *cls_sess; 54774a4bc2e9SLalit Chandivade struct iscsi_session *sess; 54784a4bc2e9SLalit Chandivade struct iscsi_cls_conn *cls_conn; 54794a4bc2e9SLalit Chandivade struct iscsi_endpoint *ep; 54804a4bc2e9SLalit Chandivade uint16_t cmds_max = 32; 54814a4bc2e9SLalit Chandivade uint16_t conn_id = 0; 54824a4bc2e9SLalit Chandivade uint32_t initial_cmdsn = 0; 54834a4bc2e9SLalit Chandivade int ret = QLA_SUCCESS; 54844a4bc2e9SLalit Chandivade 54854a4bc2e9SLalit Chandivade struct ddb_entry *ddb_entry = NULL; 54864a4bc2e9SLalit Chandivade 54874a4bc2e9SLalit Chandivade /* Create session object, with INVALID_ENTRY, 54884a4bc2e9SLalit Chandivade * the targer_id would get set when we issue the login 54894a4bc2e9SLalit Chandivade */ 54904a4bc2e9SLalit Chandivade cls_sess = iscsi_session_setup(&qla4xxx_iscsi_transport, ha->host, 54914a4bc2e9SLalit Chandivade cmds_max, sizeof(struct ddb_entry), 54924a4bc2e9SLalit Chandivade sizeof(struct ql4_task_data), 54934a4bc2e9SLalit Chandivade initial_cmdsn, INVALID_ENTRY); 54944a4bc2e9SLalit Chandivade if (!cls_sess) { 54954a4bc2e9SLalit Chandivade ret = QLA_ERROR; 54964a4bc2e9SLalit Chandivade goto exit_setup; 54974a4bc2e9SLalit Chandivade } 54984a4bc2e9SLalit Chandivade 54994a4bc2e9SLalit Chandivade /* 55004a4bc2e9SLalit Chandivade * so calling module_put function to decrement the 55014a4bc2e9SLalit Chandivade * reference count. 55024a4bc2e9SLalit Chandivade **/ 55034a4bc2e9SLalit Chandivade module_put(qla4xxx_iscsi_transport.owner); 55044a4bc2e9SLalit Chandivade sess = cls_sess->dd_data; 55054a4bc2e9SLalit Chandivade ddb_entry = sess->dd_data; 55064a4bc2e9SLalit Chandivade ddb_entry->sess = cls_sess; 55074a4bc2e9SLalit Chandivade 55084a4bc2e9SLalit Chandivade cls_sess->recovery_tmo = ql4xsess_recovery_tmo; 55094a4bc2e9SLalit Chandivade memcpy(&ddb_entry->fw_ddb_entry, fw_ddb_entry, 55104a4bc2e9SLalit Chandivade sizeof(struct dev_db_entry)); 55114a4bc2e9SLalit Chandivade 55121dc8ed5dSManish Rangankar qla4xxx_setup_flash_ddb_entry(ha, ddb_entry, idx); 55134a4bc2e9SLalit Chandivade 55144a4bc2e9SLalit Chandivade cls_conn = iscsi_conn_setup(cls_sess, sizeof(struct qla_conn), conn_id); 55154a4bc2e9SLalit Chandivade 55164a4bc2e9SLalit Chandivade if (!cls_conn) { 55174a4bc2e9SLalit Chandivade ret = QLA_ERROR; 55184a4bc2e9SLalit Chandivade goto exit_setup; 55194a4bc2e9SLalit Chandivade } 55204a4bc2e9SLalit Chandivade 55214a4bc2e9SLalit Chandivade ddb_entry->conn = cls_conn; 55224a4bc2e9SLalit Chandivade 55234a4bc2e9SLalit Chandivade /* Setup ep, for displaying attributes in sysfs */ 55244a4bc2e9SLalit Chandivade ep = qla4xxx_get_ep_fwdb(ha, fw_ddb_entry); 55254a4bc2e9SLalit Chandivade if (ep) { 55264a4bc2e9SLalit Chandivade ep->conn = cls_conn; 55274a4bc2e9SLalit Chandivade cls_conn->ep = ep; 55284a4bc2e9SLalit Chandivade } else { 55294a4bc2e9SLalit Chandivade DEBUG2(ql4_printk(KERN_ERR, ha, "Unable to get ep\n")); 55304a4bc2e9SLalit Chandivade ret = QLA_ERROR; 55314a4bc2e9SLalit Chandivade goto exit_setup; 55324a4bc2e9SLalit Chandivade } 55334a4bc2e9SLalit Chandivade 55344a4bc2e9SLalit Chandivade /* Update sess/conn params */ 55354a4bc2e9SLalit Chandivade qla4xxx_copy_fwddb_param(ha, fw_ddb_entry, cls_sess, cls_conn); 5536ad8bd45eSManish Rangankar qla4xxx_update_sess_disc_idx(ha, ddb_entry, fw_ddb_entry); 55374a4bc2e9SLalit Chandivade 55384a4bc2e9SLalit Chandivade if (is_reset == RESET_ADAPTER) { 55394a4bc2e9SLalit Chandivade iscsi_block_session(cls_sess); 55404a4bc2e9SLalit Chandivade /* Use the relogin path to discover new devices 55414a4bc2e9SLalit Chandivade * by short-circuting the logic of setting 55424a4bc2e9SLalit Chandivade * timer to relogin - instead set the flags 55434a4bc2e9SLalit Chandivade * to initiate login right away. 55444a4bc2e9SLalit Chandivade */ 55454a4bc2e9SLalit Chandivade set_bit(DPC_RELOGIN_DEVICE, &ha->dpc_flags); 55464a4bc2e9SLalit Chandivade set_bit(DF_RELOGIN, &ddb_entry->flags); 55474a4bc2e9SLalit Chandivade } 55484a4bc2e9SLalit Chandivade 55494a4bc2e9SLalit Chandivade exit_setup: 55504a4bc2e9SLalit Chandivade return ret; 55514a4bc2e9SLalit Chandivade } 55524a4bc2e9SLalit Chandivade 5553ad8bd45eSManish Rangankar static void qla4xxx_update_fw_ddb_link(struct scsi_qla_host *ha, 5554ad8bd45eSManish Rangankar struct list_head *list_ddb, 5555ad8bd45eSManish Rangankar struct dev_db_entry *fw_ddb_entry) 5556ad8bd45eSManish Rangankar { 5557ad8bd45eSManish Rangankar struct qla_ddb_index *ddb_idx, *ddb_idx_tmp; 5558ad8bd45eSManish Rangankar uint16_t ddb_link; 5559ad8bd45eSManish Rangankar 5560ad8bd45eSManish Rangankar ddb_link = le16_to_cpu(fw_ddb_entry->ddb_link); 5561ad8bd45eSManish Rangankar 5562ad8bd45eSManish Rangankar list_for_each_entry_safe(ddb_idx, ddb_idx_tmp, list_ddb, list) { 5563ad8bd45eSManish Rangankar if (ddb_idx->fw_ddb_idx == ddb_link) { 5564ad8bd45eSManish Rangankar DEBUG2(ql4_printk(KERN_INFO, ha, 5565ad8bd45eSManish Rangankar "Updating NT parent idx from [%d] to [%d]\n", 5566ad8bd45eSManish Rangankar ddb_link, ddb_idx->flash_ddb_idx)); 5567ad8bd45eSManish Rangankar fw_ddb_entry->ddb_link = 5568ad8bd45eSManish Rangankar cpu_to_le16(ddb_idx->flash_ddb_idx); 5569ad8bd45eSManish Rangankar return; 5570ad8bd45eSManish Rangankar } 5571ad8bd45eSManish Rangankar } 5572ad8bd45eSManish Rangankar } 5573ad8bd45eSManish Rangankar 55744a4bc2e9SLalit Chandivade static void qla4xxx_build_nt_list(struct scsi_qla_host *ha, 5575ad8bd45eSManish Rangankar struct list_head *list_nt, 5576ad8bd45eSManish Rangankar struct list_head *list_st, 5577ad8bd45eSManish Rangankar int is_reset) 55784a4bc2e9SLalit Chandivade { 55794a4bc2e9SLalit Chandivade struct dev_db_entry *fw_ddb_entry; 5580ad8bd45eSManish Rangankar struct ddb_entry *ddb_entry = NULL; 55814a4bc2e9SLalit Chandivade dma_addr_t fw_ddb_dma; 55824a4bc2e9SLalit Chandivade int max_ddbs; 55834a4bc2e9SLalit Chandivade int fw_idx_size; 55844a4bc2e9SLalit Chandivade int ret; 55854a4bc2e9SLalit Chandivade uint32_t idx = 0, next_idx = 0; 55864a4bc2e9SLalit Chandivade uint32_t state = 0, conn_err = 0; 5587ad8bd45eSManish Rangankar uint32_t ddb_idx = -1; 55884a4bc2e9SLalit Chandivade uint16_t conn_id = 0; 5589ad8bd45eSManish Rangankar uint16_t ddb_link = -1; 55904a4bc2e9SLalit Chandivade struct qla_ddb_index *nt_ddb_idx; 55914a4bc2e9SLalit Chandivade 55924a4bc2e9SLalit Chandivade fw_ddb_entry = dma_pool_alloc(ha->fw_ddb_dma_pool, GFP_KERNEL, 55934a4bc2e9SLalit Chandivade &fw_ddb_dma); 55944a4bc2e9SLalit Chandivade if (fw_ddb_entry == NULL) { 55954a4bc2e9SLalit Chandivade DEBUG2(ql4_printk(KERN_ERR, ha, "Out of memory\n")); 55964a4bc2e9SLalit Chandivade goto exit_nt_list; 55974a4bc2e9SLalit Chandivade } 55984a4bc2e9SLalit Chandivade max_ddbs = is_qla40XX(ha) ? MAX_DEV_DB_ENTRIES_40XX : 55994a4bc2e9SLalit Chandivade MAX_DEV_DB_ENTRIES; 56004a4bc2e9SLalit Chandivade fw_idx_size = sizeof(struct qla_ddb_index); 56014a4bc2e9SLalit Chandivade 56024a4bc2e9SLalit Chandivade for (idx = 0; idx < max_ddbs; idx = next_idx) { 56034a4bc2e9SLalit Chandivade ret = qla4xxx_get_fwddb_entry(ha, idx, fw_ddb_entry, fw_ddb_dma, 56044a4bc2e9SLalit Chandivade NULL, &next_idx, &state, 56054a4bc2e9SLalit Chandivade &conn_err, NULL, &conn_id); 56064a4bc2e9SLalit Chandivade if (ret == QLA_ERROR) 56074a4bc2e9SLalit Chandivade break; 56084a4bc2e9SLalit Chandivade 56094a4bc2e9SLalit Chandivade if (qla4xxx_verify_boot_idx(ha, idx) != QLA_SUCCESS) 56104a4bc2e9SLalit Chandivade goto continue_next_nt; 56114a4bc2e9SLalit Chandivade 56124a4bc2e9SLalit Chandivade /* Check if NT, then add to list it */ 56134a4bc2e9SLalit Chandivade if (strlen((char *) fw_ddb_entry->iscsi_name) == 0) 56144a4bc2e9SLalit Chandivade goto continue_next_nt; 56154a4bc2e9SLalit Chandivade 5616ad8bd45eSManish Rangankar ddb_link = le16_to_cpu(fw_ddb_entry->ddb_link); 5617ad8bd45eSManish Rangankar if (ddb_link < max_ddbs) 5618ad8bd45eSManish Rangankar qla4xxx_update_fw_ddb_link(ha, list_st, fw_ddb_entry); 5619ad8bd45eSManish Rangankar 56204a4bc2e9SLalit Chandivade if (!(state == DDB_DS_NO_CONNECTION_ACTIVE || 5621ad8bd45eSManish Rangankar state == DDB_DS_SESSION_FAILED) && 5622ad8bd45eSManish Rangankar (is_reset == INIT_ADAPTER)) 56234a4bc2e9SLalit Chandivade goto continue_next_nt; 56244a4bc2e9SLalit Chandivade 56254a4bc2e9SLalit Chandivade DEBUG2(ql4_printk(KERN_INFO, ha, 56264a4bc2e9SLalit Chandivade "Adding DDB to session = 0x%x\n", idx)); 5627ad8bd45eSManish Rangankar 56284a4bc2e9SLalit Chandivade if (is_reset == INIT_ADAPTER) { 56294a4bc2e9SLalit Chandivade nt_ddb_idx = vmalloc(fw_idx_size); 56304a4bc2e9SLalit Chandivade if (!nt_ddb_idx) 56314a4bc2e9SLalit Chandivade break; 56324a4bc2e9SLalit Chandivade 56334a4bc2e9SLalit Chandivade nt_ddb_idx->fw_ddb_idx = idx; 56344a4bc2e9SLalit Chandivade 56351cb78d73SVikas Chaudhary /* Copy original isid as it may get updated in function 56361cb78d73SVikas Chaudhary * qla4xxx_update_isid(). We need original isid in 56371cb78d73SVikas Chaudhary * function qla4xxx_compare_tuple_ddb to find duplicate 56381cb78d73SVikas Chaudhary * target */ 56391cb78d73SVikas Chaudhary memcpy(&nt_ddb_idx->flash_isid[0], 56401cb78d73SVikas Chaudhary &fw_ddb_entry->isid[0], 56411cb78d73SVikas Chaudhary sizeof(nt_ddb_idx->flash_isid)); 56424a4bc2e9SLalit Chandivade 56431cb78d73SVikas Chaudhary ret = qla4xxx_is_flash_ddb_exists(ha, list_nt, 56441cb78d73SVikas Chaudhary fw_ddb_entry); 56451cb78d73SVikas Chaudhary if (ret == QLA_SUCCESS) { 56461cb78d73SVikas Chaudhary /* free nt_ddb_idx and do not add to list_nt */ 56474a4bc2e9SLalit Chandivade vfree(nt_ddb_idx); 56484a4bc2e9SLalit Chandivade goto continue_next_nt; 56494a4bc2e9SLalit Chandivade } 56501cb78d73SVikas Chaudhary 56511cb78d73SVikas Chaudhary /* Copy updated isid */ 56521cb78d73SVikas Chaudhary memcpy(&nt_ddb_idx->fw_ddb, fw_ddb_entry, 56531cb78d73SVikas Chaudhary sizeof(struct dev_db_entry)); 56541cb78d73SVikas Chaudhary 56554a4bc2e9SLalit Chandivade list_add_tail(&nt_ddb_idx->list, list_nt); 56564a4bc2e9SLalit Chandivade } else if (is_reset == RESET_ADAPTER) { 5657ad8bd45eSManish Rangankar ret = qla4xxx_is_session_exists(ha, fw_ddb_entry, 5658ad8bd45eSManish Rangankar &ddb_idx); 5659ad8bd45eSManish Rangankar if (ret == QLA_SUCCESS) { 5660ad8bd45eSManish Rangankar ddb_entry = qla4xxx_lookup_ddb_by_fw_index(ha, 5661ad8bd45eSManish Rangankar ddb_idx); 5662ad8bd45eSManish Rangankar if (ddb_entry != NULL) 5663ad8bd45eSManish Rangankar qla4xxx_update_sess_disc_idx(ha, 5664ad8bd45eSManish Rangankar ddb_entry, 5665ad8bd45eSManish Rangankar fw_ddb_entry); 56664a4bc2e9SLalit Chandivade goto continue_next_nt; 56674a4bc2e9SLalit Chandivade } 5668ad8bd45eSManish Rangankar } 56694a4bc2e9SLalit Chandivade 56701dc8ed5dSManish Rangankar ret = qla4xxx_sess_conn_setup(ha, fw_ddb_entry, is_reset, idx); 56714a4bc2e9SLalit Chandivade if (ret == QLA_ERROR) 56724a4bc2e9SLalit Chandivade goto exit_nt_list; 56734a4bc2e9SLalit Chandivade 56744a4bc2e9SLalit Chandivade continue_next_nt: 56754a4bc2e9SLalit Chandivade if (next_idx == 0) 56764a4bc2e9SLalit Chandivade break; 56774a4bc2e9SLalit Chandivade } 56784a4bc2e9SLalit Chandivade 56794a4bc2e9SLalit Chandivade exit_nt_list: 56804a4bc2e9SLalit Chandivade if (fw_ddb_entry) 56814a4bc2e9SLalit Chandivade dma_pool_free(ha->fw_ddb_dma_pool, fw_ddb_entry, fw_ddb_dma); 56824a4bc2e9SLalit Chandivade } 56834a4bc2e9SLalit Chandivade 56841e9e2be3SAdheer Chandravanshi static void qla4xxx_build_new_nt_list(struct scsi_qla_host *ha, 5685ad8bd45eSManish Rangankar struct list_head *list_nt, 5686ad8bd45eSManish Rangankar uint16_t target_id) 56871e9e2be3SAdheer Chandravanshi { 56881e9e2be3SAdheer Chandravanshi struct dev_db_entry *fw_ddb_entry; 56891e9e2be3SAdheer Chandravanshi dma_addr_t fw_ddb_dma; 56901e9e2be3SAdheer Chandravanshi int max_ddbs; 56911e9e2be3SAdheer Chandravanshi int fw_idx_size; 56921e9e2be3SAdheer Chandravanshi int ret; 56931e9e2be3SAdheer Chandravanshi uint32_t idx = 0, next_idx = 0; 56941e9e2be3SAdheer Chandravanshi uint32_t state = 0, conn_err = 0; 56951e9e2be3SAdheer Chandravanshi uint16_t conn_id = 0; 56961e9e2be3SAdheer Chandravanshi struct qla_ddb_index *nt_ddb_idx; 56971e9e2be3SAdheer Chandravanshi 56981e9e2be3SAdheer Chandravanshi fw_ddb_entry = dma_pool_alloc(ha->fw_ddb_dma_pool, GFP_KERNEL, 56991e9e2be3SAdheer Chandravanshi &fw_ddb_dma); 57001e9e2be3SAdheer Chandravanshi if (fw_ddb_entry == NULL) { 57011e9e2be3SAdheer Chandravanshi DEBUG2(ql4_printk(KERN_ERR, ha, "Out of memory\n")); 57021e9e2be3SAdheer Chandravanshi goto exit_new_nt_list; 57031e9e2be3SAdheer Chandravanshi } 57041e9e2be3SAdheer Chandravanshi max_ddbs = is_qla40XX(ha) ? MAX_DEV_DB_ENTRIES_40XX : 57051e9e2be3SAdheer Chandravanshi MAX_DEV_DB_ENTRIES; 57061e9e2be3SAdheer Chandravanshi fw_idx_size = sizeof(struct qla_ddb_index); 57071e9e2be3SAdheer Chandravanshi 57081e9e2be3SAdheer Chandravanshi for (idx = 0; idx < max_ddbs; idx = next_idx) { 57091e9e2be3SAdheer Chandravanshi ret = qla4xxx_get_fwddb_entry(ha, idx, fw_ddb_entry, fw_ddb_dma, 57101e9e2be3SAdheer Chandravanshi NULL, &next_idx, &state, 57111e9e2be3SAdheer Chandravanshi &conn_err, NULL, &conn_id); 57121e9e2be3SAdheer Chandravanshi if (ret == QLA_ERROR) 57131e9e2be3SAdheer Chandravanshi break; 57141e9e2be3SAdheer Chandravanshi 57151e9e2be3SAdheer Chandravanshi /* Check if NT, then add it to list */ 57161e9e2be3SAdheer Chandravanshi if (strlen((char *)fw_ddb_entry->iscsi_name) == 0) 57171e9e2be3SAdheer Chandravanshi goto continue_next_new_nt; 57181e9e2be3SAdheer Chandravanshi 57191e9e2be3SAdheer Chandravanshi if (!(state == DDB_DS_NO_CONNECTION_ACTIVE)) 57201e9e2be3SAdheer Chandravanshi goto continue_next_new_nt; 57211e9e2be3SAdheer Chandravanshi 57221e9e2be3SAdheer Chandravanshi DEBUG2(ql4_printk(KERN_INFO, ha, 57231e9e2be3SAdheer Chandravanshi "Adding DDB to session = 0x%x\n", idx)); 57241e9e2be3SAdheer Chandravanshi 57251e9e2be3SAdheer Chandravanshi nt_ddb_idx = vmalloc(fw_idx_size); 57261e9e2be3SAdheer Chandravanshi if (!nt_ddb_idx) 57271e9e2be3SAdheer Chandravanshi break; 57281e9e2be3SAdheer Chandravanshi 57291e9e2be3SAdheer Chandravanshi nt_ddb_idx->fw_ddb_idx = idx; 57301e9e2be3SAdheer Chandravanshi 5731ad8bd45eSManish Rangankar ret = qla4xxx_is_session_exists(ha, fw_ddb_entry, NULL); 57321e9e2be3SAdheer Chandravanshi if (ret == QLA_SUCCESS) { 57331e9e2be3SAdheer Chandravanshi /* free nt_ddb_idx and do not add to list_nt */ 57341e9e2be3SAdheer Chandravanshi vfree(nt_ddb_idx); 57351e9e2be3SAdheer Chandravanshi goto continue_next_new_nt; 57361e9e2be3SAdheer Chandravanshi } 57371e9e2be3SAdheer Chandravanshi 5738ad8bd45eSManish Rangankar if (target_id < max_ddbs) 5739ad8bd45eSManish Rangankar fw_ddb_entry->ddb_link = cpu_to_le16(target_id); 5740ad8bd45eSManish Rangankar 57411e9e2be3SAdheer Chandravanshi list_add_tail(&nt_ddb_idx->list, list_nt); 57421e9e2be3SAdheer Chandravanshi 57431e9e2be3SAdheer Chandravanshi ret = qla4xxx_sess_conn_setup(ha, fw_ddb_entry, RESET_ADAPTER, 57441e9e2be3SAdheer Chandravanshi idx); 57451e9e2be3SAdheer Chandravanshi if (ret == QLA_ERROR) 57461e9e2be3SAdheer Chandravanshi goto exit_new_nt_list; 57471e9e2be3SAdheer Chandravanshi 57481e9e2be3SAdheer Chandravanshi continue_next_new_nt: 57491e9e2be3SAdheer Chandravanshi if (next_idx == 0) 57501e9e2be3SAdheer Chandravanshi break; 57511e9e2be3SAdheer Chandravanshi } 57521e9e2be3SAdheer Chandravanshi 57531e9e2be3SAdheer Chandravanshi exit_new_nt_list: 57541e9e2be3SAdheer Chandravanshi if (fw_ddb_entry) 57551e9e2be3SAdheer Chandravanshi dma_pool_free(ha->fw_ddb_dma_pool, fw_ddb_entry, fw_ddb_dma); 57561e9e2be3SAdheer Chandravanshi } 57571e9e2be3SAdheer Chandravanshi 57581e9e2be3SAdheer Chandravanshi /** 57591e9e2be3SAdheer Chandravanshi * qla4xxx_sysfs_ddb_is_non_persistent - check for non-persistence of ddb entry 57601e9e2be3SAdheer Chandravanshi * @dev: dev associated with the sysfs entry 57611e9e2be3SAdheer Chandravanshi * @data: pointer to flashnode session object 57621e9e2be3SAdheer Chandravanshi * 57631e9e2be3SAdheer Chandravanshi * Returns: 57641e9e2be3SAdheer Chandravanshi * 1: if flashnode entry is non-persistent 57651e9e2be3SAdheer Chandravanshi * 0: if flashnode entry is persistent 57661e9e2be3SAdheer Chandravanshi **/ 57671e9e2be3SAdheer Chandravanshi static int qla4xxx_sysfs_ddb_is_non_persistent(struct device *dev, void *data) 57681e9e2be3SAdheer Chandravanshi { 57691e9e2be3SAdheer Chandravanshi struct iscsi_bus_flash_session *fnode_sess; 57701e9e2be3SAdheer Chandravanshi 57711e9e2be3SAdheer Chandravanshi if (!iscsi_flashnode_bus_match(dev, NULL)) 57721e9e2be3SAdheer Chandravanshi return 0; 57731e9e2be3SAdheer Chandravanshi 57741e9e2be3SAdheer Chandravanshi fnode_sess = iscsi_dev_to_flash_session(dev); 57751e9e2be3SAdheer Chandravanshi 57761e9e2be3SAdheer Chandravanshi return (fnode_sess->flash_state == DEV_DB_NON_PERSISTENT); 57771e9e2be3SAdheer Chandravanshi } 57781e9e2be3SAdheer Chandravanshi 57791e9e2be3SAdheer Chandravanshi /** 57801e9e2be3SAdheer Chandravanshi * qla4xxx_sysfs_ddb_tgt_create - Create sysfs entry for target 57811e9e2be3SAdheer Chandravanshi * @ha: pointer to host 57821e9e2be3SAdheer Chandravanshi * @fw_ddb_entry: flash ddb data 57831e9e2be3SAdheer Chandravanshi * @idx: target index 57841e9e2be3SAdheer Chandravanshi * @user: if set then this call is made from userland else from kernel 57851e9e2be3SAdheer Chandravanshi * 57861e9e2be3SAdheer Chandravanshi * Returns: 57871e9e2be3SAdheer Chandravanshi * On sucess: QLA_SUCCESS 57881e9e2be3SAdheer Chandravanshi * On failure: QLA_ERROR 57891e9e2be3SAdheer Chandravanshi * 57901e9e2be3SAdheer Chandravanshi * This create separate sysfs entries for session and connection attributes of 57911e9e2be3SAdheer Chandravanshi * the given fw ddb entry. 57921e9e2be3SAdheer Chandravanshi * If this is invoked as a result of a userspace call then the entry is marked 57931e9e2be3SAdheer Chandravanshi * as nonpersistent using flash_state field. 57941e9e2be3SAdheer Chandravanshi **/ 579528e02f1aSVikas Chaudhary static int qla4xxx_sysfs_ddb_tgt_create(struct scsi_qla_host *ha, 57961e9e2be3SAdheer Chandravanshi struct dev_db_entry *fw_ddb_entry, 57971e9e2be3SAdheer Chandravanshi uint16_t *idx, int user) 57981e9e2be3SAdheer Chandravanshi { 57991e9e2be3SAdheer Chandravanshi struct iscsi_bus_flash_session *fnode_sess = NULL; 58001e9e2be3SAdheer Chandravanshi struct iscsi_bus_flash_conn *fnode_conn = NULL; 58011e9e2be3SAdheer Chandravanshi int rc = QLA_ERROR; 58021e9e2be3SAdheer Chandravanshi 58031e9e2be3SAdheer Chandravanshi fnode_sess = iscsi_create_flashnode_sess(ha->host, *idx, 58041e9e2be3SAdheer Chandravanshi &qla4xxx_iscsi_transport, 0); 58051e9e2be3SAdheer Chandravanshi if (!fnode_sess) { 58061e9e2be3SAdheer Chandravanshi ql4_printk(KERN_ERR, ha, 58071e9e2be3SAdheer Chandravanshi "%s: Unable to create session sysfs entry for flashnode %d of host%lu\n", 58081e9e2be3SAdheer Chandravanshi __func__, *idx, ha->host_no); 58091e9e2be3SAdheer Chandravanshi goto exit_tgt_create; 58101e9e2be3SAdheer Chandravanshi } 58111e9e2be3SAdheer Chandravanshi 58121e9e2be3SAdheer Chandravanshi fnode_conn = iscsi_create_flashnode_conn(ha->host, fnode_sess, 58131e9e2be3SAdheer Chandravanshi &qla4xxx_iscsi_transport, 0); 58141e9e2be3SAdheer Chandravanshi if (!fnode_conn) { 58151e9e2be3SAdheer Chandravanshi ql4_printk(KERN_ERR, ha, 58161e9e2be3SAdheer Chandravanshi "%s: Unable to create conn sysfs entry for flashnode %d of host%lu\n", 58171e9e2be3SAdheer Chandravanshi __func__, *idx, ha->host_no); 58181e9e2be3SAdheer Chandravanshi goto free_sess; 58191e9e2be3SAdheer Chandravanshi } 58201e9e2be3SAdheer Chandravanshi 58211e9e2be3SAdheer Chandravanshi if (user) { 58221e9e2be3SAdheer Chandravanshi fnode_sess->flash_state = DEV_DB_NON_PERSISTENT; 58231e9e2be3SAdheer Chandravanshi } else { 58241e9e2be3SAdheer Chandravanshi fnode_sess->flash_state = DEV_DB_PERSISTENT; 58251e9e2be3SAdheer Chandravanshi 58261e9e2be3SAdheer Chandravanshi if (*idx == ha->pri_ddb_idx || *idx == ha->sec_ddb_idx) 58271e9e2be3SAdheer Chandravanshi fnode_sess->is_boot_target = 1; 58281e9e2be3SAdheer Chandravanshi else 58291e9e2be3SAdheer Chandravanshi fnode_sess->is_boot_target = 0; 58301e9e2be3SAdheer Chandravanshi } 58311e9e2be3SAdheer Chandravanshi 58321e9e2be3SAdheer Chandravanshi rc = qla4xxx_copy_from_fwddb_param(fnode_sess, fnode_conn, 58331e9e2be3SAdheer Chandravanshi fw_ddb_entry); 58341e9e2be3SAdheer Chandravanshi 58351e9e2be3SAdheer Chandravanshi ql4_printk(KERN_INFO, ha, "%s: sysfs entry %s created\n", 58361e9e2be3SAdheer Chandravanshi __func__, fnode_sess->dev.kobj.name); 58371e9e2be3SAdheer Chandravanshi 58381e9e2be3SAdheer Chandravanshi ql4_printk(KERN_INFO, ha, "%s: sysfs entry %s created\n", 58391e9e2be3SAdheer Chandravanshi __func__, fnode_conn->dev.kobj.name); 58401e9e2be3SAdheer Chandravanshi 58411e9e2be3SAdheer Chandravanshi return QLA_SUCCESS; 58421e9e2be3SAdheer Chandravanshi 58431e9e2be3SAdheer Chandravanshi free_sess: 58441e9e2be3SAdheer Chandravanshi iscsi_destroy_flashnode_sess(fnode_sess); 58451e9e2be3SAdheer Chandravanshi 58461e9e2be3SAdheer Chandravanshi exit_tgt_create: 58471e9e2be3SAdheer Chandravanshi return QLA_ERROR; 58481e9e2be3SAdheer Chandravanshi } 58491e9e2be3SAdheer Chandravanshi 58501e9e2be3SAdheer Chandravanshi /** 58511e9e2be3SAdheer Chandravanshi * qla4xxx_sysfs_ddb_add - Add new ddb entry in flash 58521e9e2be3SAdheer Chandravanshi * @shost: pointer to host 58531e9e2be3SAdheer Chandravanshi * @buf: type of ddb entry (ipv4/ipv6) 58541e9e2be3SAdheer Chandravanshi * @len: length of buf 58551e9e2be3SAdheer Chandravanshi * 58561e9e2be3SAdheer Chandravanshi * This creates new ddb entry in the flash by finding first free index and 58571e9e2be3SAdheer Chandravanshi * storing default ddb there. And then create sysfs entry for the new ddb entry. 58581e9e2be3SAdheer Chandravanshi **/ 58591e9e2be3SAdheer Chandravanshi static int qla4xxx_sysfs_ddb_add(struct Scsi_Host *shost, const char *buf, 58601e9e2be3SAdheer Chandravanshi int len) 58611e9e2be3SAdheer Chandravanshi { 58621e9e2be3SAdheer Chandravanshi struct scsi_qla_host *ha = to_qla_host(shost); 58631e9e2be3SAdheer Chandravanshi struct dev_db_entry *fw_ddb_entry = NULL; 58641e9e2be3SAdheer Chandravanshi dma_addr_t fw_ddb_entry_dma; 58651e9e2be3SAdheer Chandravanshi struct device *dev; 58661e9e2be3SAdheer Chandravanshi uint16_t idx = 0; 58671e9e2be3SAdheer Chandravanshi uint16_t max_ddbs = 0; 58681e9e2be3SAdheer Chandravanshi uint32_t options = 0; 58691e9e2be3SAdheer Chandravanshi uint32_t rval = QLA_ERROR; 58701e9e2be3SAdheer Chandravanshi 5871c962c18bSAdheer Chandravanshi if (strncasecmp(PORTAL_TYPE_IPV4, buf, 4) && 5872c962c18bSAdheer Chandravanshi strncasecmp(PORTAL_TYPE_IPV6, buf, 4)) { 58731e9e2be3SAdheer Chandravanshi DEBUG2(ql4_printk(KERN_ERR, ha, "%s: Invalid portal type\n", 58741e9e2be3SAdheer Chandravanshi __func__)); 58751e9e2be3SAdheer Chandravanshi goto exit_ddb_add; 58761e9e2be3SAdheer Chandravanshi } 58771e9e2be3SAdheer Chandravanshi 5878a957a7d7SAdheer Chandravanshi max_ddbs = is_qla40XX(ha) ? MAX_PRST_DEV_DB_ENTRIES : 58791e9e2be3SAdheer Chandravanshi MAX_DEV_DB_ENTRIES; 58801e9e2be3SAdheer Chandravanshi 58811e9e2be3SAdheer Chandravanshi fw_ddb_entry = dma_alloc_coherent(&ha->pdev->dev, sizeof(*fw_ddb_entry), 58821e9e2be3SAdheer Chandravanshi &fw_ddb_entry_dma, GFP_KERNEL); 58831e9e2be3SAdheer Chandravanshi if (!fw_ddb_entry) { 58841e9e2be3SAdheer Chandravanshi DEBUG2(ql4_printk(KERN_ERR, ha, 58851e9e2be3SAdheer Chandravanshi "%s: Unable to allocate dma buffer\n", 58861e9e2be3SAdheer Chandravanshi __func__)); 58871e9e2be3SAdheer Chandravanshi goto exit_ddb_add; 58881e9e2be3SAdheer Chandravanshi } 58891e9e2be3SAdheer Chandravanshi 58901e9e2be3SAdheer Chandravanshi dev = iscsi_find_flashnode_sess(ha->host, NULL, 58911e9e2be3SAdheer Chandravanshi qla4xxx_sysfs_ddb_is_non_persistent); 58921e9e2be3SAdheer Chandravanshi if (dev) { 58931e9e2be3SAdheer Chandravanshi ql4_printk(KERN_ERR, ha, 58941e9e2be3SAdheer Chandravanshi "%s: A non-persistent entry %s found\n", 58951e9e2be3SAdheer Chandravanshi __func__, dev->kobj.name); 58968526cb11SMike Christie put_device(dev); 58971e9e2be3SAdheer Chandravanshi goto exit_ddb_add; 58981e9e2be3SAdheer Chandravanshi } 58991e9e2be3SAdheer Chandravanshi 590099937574SAdheer Chandravanshi /* Index 0 and 1 are reserved for boot target entries */ 590199937574SAdheer Chandravanshi for (idx = 2; idx < max_ddbs; idx++) { 59021e9e2be3SAdheer Chandravanshi if (qla4xxx_flashdb_by_index(ha, fw_ddb_entry, 59031e9e2be3SAdheer Chandravanshi fw_ddb_entry_dma, idx)) 59041e9e2be3SAdheer Chandravanshi break; 59051e9e2be3SAdheer Chandravanshi } 59061e9e2be3SAdheer Chandravanshi 59071e9e2be3SAdheer Chandravanshi if (idx == max_ddbs) 59081e9e2be3SAdheer Chandravanshi goto exit_ddb_add; 59091e9e2be3SAdheer Chandravanshi 59101e9e2be3SAdheer Chandravanshi if (!strncasecmp("ipv6", buf, 4)) 59111e9e2be3SAdheer Chandravanshi options |= IPV6_DEFAULT_DDB_ENTRY; 59121e9e2be3SAdheer Chandravanshi 59131e9e2be3SAdheer Chandravanshi rval = qla4xxx_get_default_ddb(ha, options, fw_ddb_entry_dma); 59141e9e2be3SAdheer Chandravanshi if (rval == QLA_ERROR) 59151e9e2be3SAdheer Chandravanshi goto exit_ddb_add; 59161e9e2be3SAdheer Chandravanshi 59171e9e2be3SAdheer Chandravanshi rval = qla4xxx_sysfs_ddb_tgt_create(ha, fw_ddb_entry, &idx, 1); 59181e9e2be3SAdheer Chandravanshi 59191e9e2be3SAdheer Chandravanshi exit_ddb_add: 59201e9e2be3SAdheer Chandravanshi if (fw_ddb_entry) 59211e9e2be3SAdheer Chandravanshi dma_free_coherent(&ha->pdev->dev, sizeof(*fw_ddb_entry), 59221e9e2be3SAdheer Chandravanshi fw_ddb_entry, fw_ddb_entry_dma); 59231e9e2be3SAdheer Chandravanshi if (rval == QLA_SUCCESS) 59241e9e2be3SAdheer Chandravanshi return idx; 59251e9e2be3SAdheer Chandravanshi else 59261e9e2be3SAdheer Chandravanshi return -EIO; 59271e9e2be3SAdheer Chandravanshi } 59281e9e2be3SAdheer Chandravanshi 59291e9e2be3SAdheer Chandravanshi /** 59301e9e2be3SAdheer Chandravanshi * qla4xxx_sysfs_ddb_apply - write the target ddb contents to Flash 59311e9e2be3SAdheer Chandravanshi * @fnode_sess: pointer to session attrs of flash ddb entry 59321e9e2be3SAdheer Chandravanshi * @fnode_conn: pointer to connection attrs of flash ddb entry 59331e9e2be3SAdheer Chandravanshi * 59341e9e2be3SAdheer Chandravanshi * This writes the contents of target ddb buffer to Flash with a valid cookie 59351e9e2be3SAdheer Chandravanshi * value in order to make the ddb entry persistent. 59361e9e2be3SAdheer Chandravanshi **/ 59371e9e2be3SAdheer Chandravanshi static int qla4xxx_sysfs_ddb_apply(struct iscsi_bus_flash_session *fnode_sess, 59381e9e2be3SAdheer Chandravanshi struct iscsi_bus_flash_conn *fnode_conn) 59391e9e2be3SAdheer Chandravanshi { 59401e9e2be3SAdheer Chandravanshi struct Scsi_Host *shost = iscsi_flash_session_to_shost(fnode_sess); 59411e9e2be3SAdheer Chandravanshi struct scsi_qla_host *ha = to_qla_host(shost); 59421e9e2be3SAdheer Chandravanshi uint32_t dev_db_start_offset = FLASH_OFFSET_DB_INFO; 59431e9e2be3SAdheer Chandravanshi struct dev_db_entry *fw_ddb_entry = NULL; 59441e9e2be3SAdheer Chandravanshi dma_addr_t fw_ddb_entry_dma; 59451e9e2be3SAdheer Chandravanshi uint32_t options = 0; 59461e9e2be3SAdheer Chandravanshi int rval = 0; 59471e9e2be3SAdheer Chandravanshi 59481e9e2be3SAdheer Chandravanshi fw_ddb_entry = dma_alloc_coherent(&ha->pdev->dev, sizeof(*fw_ddb_entry), 59491e9e2be3SAdheer Chandravanshi &fw_ddb_entry_dma, GFP_KERNEL); 59501e9e2be3SAdheer Chandravanshi if (!fw_ddb_entry) { 59511e9e2be3SAdheer Chandravanshi DEBUG2(ql4_printk(KERN_ERR, ha, 59521e9e2be3SAdheer Chandravanshi "%s: Unable to allocate dma buffer\n", 59531e9e2be3SAdheer Chandravanshi __func__)); 59541e9e2be3SAdheer Chandravanshi rval = -ENOMEM; 59551e9e2be3SAdheer Chandravanshi goto exit_ddb_apply; 59561e9e2be3SAdheer Chandravanshi } 59571e9e2be3SAdheer Chandravanshi 5958c962c18bSAdheer Chandravanshi if (!strncasecmp(fnode_sess->portal_type, PORTAL_TYPE_IPV6, 4)) 59591e9e2be3SAdheer Chandravanshi options |= IPV6_DEFAULT_DDB_ENTRY; 59601e9e2be3SAdheer Chandravanshi 59611e9e2be3SAdheer Chandravanshi rval = qla4xxx_get_default_ddb(ha, options, fw_ddb_entry_dma); 59621e9e2be3SAdheer Chandravanshi if (rval == QLA_ERROR) 59631e9e2be3SAdheer Chandravanshi goto exit_ddb_apply; 59641e9e2be3SAdheer Chandravanshi 59651e9e2be3SAdheer Chandravanshi dev_db_start_offset += (fnode_sess->target_id * 59661e9e2be3SAdheer Chandravanshi sizeof(*fw_ddb_entry)); 59671e9e2be3SAdheer Chandravanshi 59681e9e2be3SAdheer Chandravanshi qla4xxx_copy_to_fwddb_param(fnode_sess, fnode_conn, fw_ddb_entry); 59691e9e2be3SAdheer Chandravanshi fw_ddb_entry->cookie = DDB_VALID_COOKIE; 59701e9e2be3SAdheer Chandravanshi 59711e9e2be3SAdheer Chandravanshi rval = qla4xxx_set_flash(ha, fw_ddb_entry_dma, dev_db_start_offset, 59721e9e2be3SAdheer Chandravanshi sizeof(*fw_ddb_entry), FLASH_OPT_RMW_COMMIT); 59731e9e2be3SAdheer Chandravanshi 59741e9e2be3SAdheer Chandravanshi if (rval == QLA_SUCCESS) { 59751e9e2be3SAdheer Chandravanshi fnode_sess->flash_state = DEV_DB_PERSISTENT; 59761e9e2be3SAdheer Chandravanshi ql4_printk(KERN_INFO, ha, 59771e9e2be3SAdheer Chandravanshi "%s: flash node %u of host %lu written to flash\n", 59781e9e2be3SAdheer Chandravanshi __func__, fnode_sess->target_id, ha->host_no); 59791e9e2be3SAdheer Chandravanshi } else { 59801e9e2be3SAdheer Chandravanshi rval = -EIO; 59811e9e2be3SAdheer Chandravanshi ql4_printk(KERN_ERR, ha, 59821e9e2be3SAdheer Chandravanshi "%s: Error while writing flash node %u of host %lu to flash\n", 59831e9e2be3SAdheer Chandravanshi __func__, fnode_sess->target_id, ha->host_no); 59841e9e2be3SAdheer Chandravanshi } 59851e9e2be3SAdheer Chandravanshi 59861e9e2be3SAdheer Chandravanshi exit_ddb_apply: 59871e9e2be3SAdheer Chandravanshi if (fw_ddb_entry) 59881e9e2be3SAdheer Chandravanshi dma_free_coherent(&ha->pdev->dev, sizeof(*fw_ddb_entry), 59891e9e2be3SAdheer Chandravanshi fw_ddb_entry, fw_ddb_entry_dma); 59901e9e2be3SAdheer Chandravanshi return rval; 59911e9e2be3SAdheer Chandravanshi } 59921e9e2be3SAdheer Chandravanshi 59931e9e2be3SAdheer Chandravanshi static ssize_t qla4xxx_sysfs_ddb_conn_open(struct scsi_qla_host *ha, 59941e9e2be3SAdheer Chandravanshi struct dev_db_entry *fw_ddb_entry, 59951e9e2be3SAdheer Chandravanshi uint16_t idx) 59961e9e2be3SAdheer Chandravanshi { 59971e9e2be3SAdheer Chandravanshi struct dev_db_entry *ddb_entry = NULL; 59981e9e2be3SAdheer Chandravanshi dma_addr_t ddb_entry_dma; 59991e9e2be3SAdheer Chandravanshi unsigned long wtime; 60001e9e2be3SAdheer Chandravanshi uint32_t mbx_sts = 0; 60011e9e2be3SAdheer Chandravanshi uint32_t state = 0, conn_err = 0; 60021e9e2be3SAdheer Chandravanshi uint16_t tmo = 0; 60031e9e2be3SAdheer Chandravanshi int ret = 0; 60041e9e2be3SAdheer Chandravanshi 60051e9e2be3SAdheer Chandravanshi ddb_entry = dma_alloc_coherent(&ha->pdev->dev, sizeof(*ddb_entry), 60061e9e2be3SAdheer Chandravanshi &ddb_entry_dma, GFP_KERNEL); 60071e9e2be3SAdheer Chandravanshi if (!ddb_entry) { 60081e9e2be3SAdheer Chandravanshi DEBUG2(ql4_printk(KERN_ERR, ha, 60091e9e2be3SAdheer Chandravanshi "%s: Unable to allocate dma buffer\n", 60101e9e2be3SAdheer Chandravanshi __func__)); 60111e9e2be3SAdheer Chandravanshi return QLA_ERROR; 60121e9e2be3SAdheer Chandravanshi } 60131e9e2be3SAdheer Chandravanshi 60141e9e2be3SAdheer Chandravanshi memcpy(ddb_entry, fw_ddb_entry, sizeof(*ddb_entry)); 60151e9e2be3SAdheer Chandravanshi 60161e9e2be3SAdheer Chandravanshi ret = qla4xxx_set_ddb_entry(ha, idx, ddb_entry_dma, &mbx_sts); 60171e9e2be3SAdheer Chandravanshi if (ret != QLA_SUCCESS) { 60181e9e2be3SAdheer Chandravanshi DEBUG2(ql4_printk(KERN_ERR, ha, 60191e9e2be3SAdheer Chandravanshi "%s: Unable to set ddb entry for index %d\n", 60201e9e2be3SAdheer Chandravanshi __func__, idx)); 60211e9e2be3SAdheer Chandravanshi goto exit_ddb_conn_open; 60221e9e2be3SAdheer Chandravanshi } 60231e9e2be3SAdheer Chandravanshi 60241e9e2be3SAdheer Chandravanshi qla4xxx_conn_open(ha, idx); 60251e9e2be3SAdheer Chandravanshi 60261e9e2be3SAdheer Chandravanshi /* To ensure that sendtargets is done, wait for at least 12 secs */ 60271e9e2be3SAdheer Chandravanshi tmo = ((ha->def_timeout > LOGIN_TOV) && 60281e9e2be3SAdheer Chandravanshi (ha->def_timeout < LOGIN_TOV * 10) ? 60291e9e2be3SAdheer Chandravanshi ha->def_timeout : LOGIN_TOV); 60301e9e2be3SAdheer Chandravanshi 60311e9e2be3SAdheer Chandravanshi DEBUG2(ql4_printk(KERN_INFO, ha, 60321e9e2be3SAdheer Chandravanshi "Default time to wait for login to ddb %d\n", tmo)); 60331e9e2be3SAdheer Chandravanshi 60341e9e2be3SAdheer Chandravanshi wtime = jiffies + (HZ * tmo); 60351e9e2be3SAdheer Chandravanshi do { 60361e9e2be3SAdheer Chandravanshi ret = qla4xxx_get_fwddb_entry(ha, idx, NULL, 0, NULL, 60371e9e2be3SAdheer Chandravanshi NULL, &state, &conn_err, NULL, 60381e9e2be3SAdheer Chandravanshi NULL); 60391e9e2be3SAdheer Chandravanshi if (ret == QLA_ERROR) 60401e9e2be3SAdheer Chandravanshi continue; 60411e9e2be3SAdheer Chandravanshi 60421e9e2be3SAdheer Chandravanshi if (state == DDB_DS_NO_CONNECTION_ACTIVE || 60431e9e2be3SAdheer Chandravanshi state == DDB_DS_SESSION_FAILED) 60441e9e2be3SAdheer Chandravanshi break; 60451e9e2be3SAdheer Chandravanshi 60461e9e2be3SAdheer Chandravanshi schedule_timeout_uninterruptible(HZ / 10); 60471e9e2be3SAdheer Chandravanshi } while (time_after(wtime, jiffies)); 60481e9e2be3SAdheer Chandravanshi 60491e9e2be3SAdheer Chandravanshi exit_ddb_conn_open: 60501e9e2be3SAdheer Chandravanshi if (ddb_entry) 60511e9e2be3SAdheer Chandravanshi dma_free_coherent(&ha->pdev->dev, sizeof(*ddb_entry), 60521e9e2be3SAdheer Chandravanshi ddb_entry, ddb_entry_dma); 60531e9e2be3SAdheer Chandravanshi return ret; 60541e9e2be3SAdheer Chandravanshi } 60551e9e2be3SAdheer Chandravanshi 60561e9e2be3SAdheer Chandravanshi static int qla4xxx_ddb_login_st(struct scsi_qla_host *ha, 6057ad8bd45eSManish Rangankar struct dev_db_entry *fw_ddb_entry, 6058ad8bd45eSManish Rangankar uint16_t target_id) 60591e9e2be3SAdheer Chandravanshi { 60601e9e2be3SAdheer Chandravanshi struct qla_ddb_index *ddb_idx, *ddb_idx_tmp; 60611e9e2be3SAdheer Chandravanshi struct list_head list_nt; 60621e9e2be3SAdheer Chandravanshi uint16_t ddb_index; 60631e9e2be3SAdheer Chandravanshi int ret = 0; 60641e9e2be3SAdheer Chandravanshi 60651e9e2be3SAdheer Chandravanshi if (test_bit(AF_ST_DISCOVERY_IN_PROGRESS, &ha->flags)) { 60661e9e2be3SAdheer Chandravanshi ql4_printk(KERN_WARNING, ha, 60671e9e2be3SAdheer Chandravanshi "%s: A discovery already in progress!\n", __func__); 60681e9e2be3SAdheer Chandravanshi return QLA_ERROR; 60691e9e2be3SAdheer Chandravanshi } 60701e9e2be3SAdheer Chandravanshi 60711e9e2be3SAdheer Chandravanshi INIT_LIST_HEAD(&list_nt); 60721e9e2be3SAdheer Chandravanshi 60731e9e2be3SAdheer Chandravanshi set_bit(AF_ST_DISCOVERY_IN_PROGRESS, &ha->flags); 60741e9e2be3SAdheer Chandravanshi 60751e9e2be3SAdheer Chandravanshi ret = qla4xxx_get_ddb_index(ha, &ddb_index); 60761e9e2be3SAdheer Chandravanshi if (ret == QLA_ERROR) 60771e9e2be3SAdheer Chandravanshi goto exit_login_st_clr_bit; 60781e9e2be3SAdheer Chandravanshi 60791e9e2be3SAdheer Chandravanshi ret = qla4xxx_sysfs_ddb_conn_open(ha, fw_ddb_entry, ddb_index); 60801e9e2be3SAdheer Chandravanshi if (ret == QLA_ERROR) 60811e9e2be3SAdheer Chandravanshi goto exit_login_st; 60821e9e2be3SAdheer Chandravanshi 6083ad8bd45eSManish Rangankar qla4xxx_build_new_nt_list(ha, &list_nt, target_id); 60841e9e2be3SAdheer Chandravanshi 60851e9e2be3SAdheer Chandravanshi list_for_each_entry_safe(ddb_idx, ddb_idx_tmp, &list_nt, list) { 60861e9e2be3SAdheer Chandravanshi list_del_init(&ddb_idx->list); 60871e9e2be3SAdheer Chandravanshi qla4xxx_clear_ddb_entry(ha, ddb_idx->fw_ddb_idx); 60881e9e2be3SAdheer Chandravanshi vfree(ddb_idx); 60891e9e2be3SAdheer Chandravanshi } 60901e9e2be3SAdheer Chandravanshi 60911e9e2be3SAdheer Chandravanshi exit_login_st: 60921e9e2be3SAdheer Chandravanshi if (qla4xxx_clear_ddb_entry(ha, ddb_index) == QLA_ERROR) { 60931e9e2be3SAdheer Chandravanshi ql4_printk(KERN_ERR, ha, 60941e9e2be3SAdheer Chandravanshi "Unable to clear DDB index = 0x%x\n", ddb_index); 60951e9e2be3SAdheer Chandravanshi } 60961e9e2be3SAdheer Chandravanshi 60971e9e2be3SAdheer Chandravanshi clear_bit(ddb_index, ha->ddb_idx_map); 60981e9e2be3SAdheer Chandravanshi 60991e9e2be3SAdheer Chandravanshi exit_login_st_clr_bit: 61001e9e2be3SAdheer Chandravanshi clear_bit(AF_ST_DISCOVERY_IN_PROGRESS, &ha->flags); 61011e9e2be3SAdheer Chandravanshi return ret; 61021e9e2be3SAdheer Chandravanshi } 61031e9e2be3SAdheer Chandravanshi 61041e9e2be3SAdheer Chandravanshi static int qla4xxx_ddb_login_nt(struct scsi_qla_host *ha, 61051e9e2be3SAdheer Chandravanshi struct dev_db_entry *fw_ddb_entry, 61061e9e2be3SAdheer Chandravanshi uint16_t idx) 61071e9e2be3SAdheer Chandravanshi { 61081e9e2be3SAdheer Chandravanshi int ret = QLA_ERROR; 61091e9e2be3SAdheer Chandravanshi 6110ad8bd45eSManish Rangankar ret = qla4xxx_is_session_exists(ha, fw_ddb_entry, NULL); 61111e9e2be3SAdheer Chandravanshi if (ret != QLA_SUCCESS) 61121e9e2be3SAdheer Chandravanshi ret = qla4xxx_sess_conn_setup(ha, fw_ddb_entry, RESET_ADAPTER, 61131e9e2be3SAdheer Chandravanshi idx); 61141e9e2be3SAdheer Chandravanshi else 61151e9e2be3SAdheer Chandravanshi ret = -EPERM; 61161e9e2be3SAdheer Chandravanshi 61171e9e2be3SAdheer Chandravanshi return ret; 61181e9e2be3SAdheer Chandravanshi } 61191e9e2be3SAdheer Chandravanshi 61201e9e2be3SAdheer Chandravanshi /** 61211e9e2be3SAdheer Chandravanshi * qla4xxx_sysfs_ddb_login - Login to the specified target 61221e9e2be3SAdheer Chandravanshi * @fnode_sess: pointer to session attrs of flash ddb entry 61231e9e2be3SAdheer Chandravanshi * @fnode_conn: pointer to connection attrs of flash ddb entry 61241e9e2be3SAdheer Chandravanshi * 61251e9e2be3SAdheer Chandravanshi * This logs in to the specified target 61261e9e2be3SAdheer Chandravanshi **/ 61271e9e2be3SAdheer Chandravanshi static int qla4xxx_sysfs_ddb_login(struct iscsi_bus_flash_session *fnode_sess, 61281e9e2be3SAdheer Chandravanshi struct iscsi_bus_flash_conn *fnode_conn) 61291e9e2be3SAdheer Chandravanshi { 61301e9e2be3SAdheer Chandravanshi struct Scsi_Host *shost = iscsi_flash_session_to_shost(fnode_sess); 61311e9e2be3SAdheer Chandravanshi struct scsi_qla_host *ha = to_qla_host(shost); 61321e9e2be3SAdheer Chandravanshi struct dev_db_entry *fw_ddb_entry = NULL; 61331e9e2be3SAdheer Chandravanshi dma_addr_t fw_ddb_entry_dma; 61341e9e2be3SAdheer Chandravanshi uint32_t options = 0; 61351e9e2be3SAdheer Chandravanshi int ret = 0; 61361e9e2be3SAdheer Chandravanshi 61371e9e2be3SAdheer Chandravanshi if (fnode_sess->flash_state == DEV_DB_NON_PERSISTENT) { 61381e9e2be3SAdheer Chandravanshi ql4_printk(KERN_ERR, ha, 61391e9e2be3SAdheer Chandravanshi "%s: Target info is not persistent\n", __func__); 61401e9e2be3SAdheer Chandravanshi ret = -EIO; 61411e9e2be3SAdheer Chandravanshi goto exit_ddb_login; 61421e9e2be3SAdheer Chandravanshi } 61431e9e2be3SAdheer Chandravanshi 61441e9e2be3SAdheer Chandravanshi fw_ddb_entry = dma_alloc_coherent(&ha->pdev->dev, sizeof(*fw_ddb_entry), 61451e9e2be3SAdheer Chandravanshi &fw_ddb_entry_dma, GFP_KERNEL); 61461e9e2be3SAdheer Chandravanshi if (!fw_ddb_entry) { 61471e9e2be3SAdheer Chandravanshi DEBUG2(ql4_printk(KERN_ERR, ha, 61481e9e2be3SAdheer Chandravanshi "%s: Unable to allocate dma buffer\n", 61491e9e2be3SAdheer Chandravanshi __func__)); 61501e9e2be3SAdheer Chandravanshi ret = -ENOMEM; 61511e9e2be3SAdheer Chandravanshi goto exit_ddb_login; 61521e9e2be3SAdheer Chandravanshi } 61531e9e2be3SAdheer Chandravanshi 6154c962c18bSAdheer Chandravanshi if (!strncasecmp(fnode_sess->portal_type, PORTAL_TYPE_IPV6, 4)) 61551e9e2be3SAdheer Chandravanshi options |= IPV6_DEFAULT_DDB_ENTRY; 61561e9e2be3SAdheer Chandravanshi 61571e9e2be3SAdheer Chandravanshi ret = qla4xxx_get_default_ddb(ha, options, fw_ddb_entry_dma); 61581e9e2be3SAdheer Chandravanshi if (ret == QLA_ERROR) 61591e9e2be3SAdheer Chandravanshi goto exit_ddb_login; 61601e9e2be3SAdheer Chandravanshi 61611e9e2be3SAdheer Chandravanshi qla4xxx_copy_to_fwddb_param(fnode_sess, fnode_conn, fw_ddb_entry); 61621e9e2be3SAdheer Chandravanshi fw_ddb_entry->cookie = DDB_VALID_COOKIE; 61631e9e2be3SAdheer Chandravanshi 61641e9e2be3SAdheer Chandravanshi if (strlen((char *)fw_ddb_entry->iscsi_name) == 0) 6165ad8bd45eSManish Rangankar ret = qla4xxx_ddb_login_st(ha, fw_ddb_entry, 6166ad8bd45eSManish Rangankar fnode_sess->target_id); 61671e9e2be3SAdheer Chandravanshi else 61681e9e2be3SAdheer Chandravanshi ret = qla4xxx_ddb_login_nt(ha, fw_ddb_entry, 61691e9e2be3SAdheer Chandravanshi fnode_sess->target_id); 61701e9e2be3SAdheer Chandravanshi 61711e9e2be3SAdheer Chandravanshi if (ret > 0) 61721e9e2be3SAdheer Chandravanshi ret = -EIO; 61731e9e2be3SAdheer Chandravanshi 61741e9e2be3SAdheer Chandravanshi exit_ddb_login: 61751e9e2be3SAdheer Chandravanshi if (fw_ddb_entry) 61761e9e2be3SAdheer Chandravanshi dma_free_coherent(&ha->pdev->dev, sizeof(*fw_ddb_entry), 61771e9e2be3SAdheer Chandravanshi fw_ddb_entry, fw_ddb_entry_dma); 61781e9e2be3SAdheer Chandravanshi return ret; 61791e9e2be3SAdheer Chandravanshi } 61801e9e2be3SAdheer Chandravanshi 61811e9e2be3SAdheer Chandravanshi /** 61821e9e2be3SAdheer Chandravanshi * qla4xxx_sysfs_ddb_logout_sid - Logout session for the specified target 61831e9e2be3SAdheer Chandravanshi * @cls_sess: pointer to session to be logged out 61841e9e2be3SAdheer Chandravanshi * 61851e9e2be3SAdheer Chandravanshi * This performs session log out from the specified target 61861e9e2be3SAdheer Chandravanshi **/ 61871e9e2be3SAdheer Chandravanshi static int qla4xxx_sysfs_ddb_logout_sid(struct iscsi_cls_session *cls_sess) 61881e9e2be3SAdheer Chandravanshi { 61891e9e2be3SAdheer Chandravanshi struct iscsi_session *sess; 61901e9e2be3SAdheer Chandravanshi struct ddb_entry *ddb_entry = NULL; 61911e9e2be3SAdheer Chandravanshi struct scsi_qla_host *ha; 61921e9e2be3SAdheer Chandravanshi struct dev_db_entry *fw_ddb_entry = NULL; 61931e9e2be3SAdheer Chandravanshi dma_addr_t fw_ddb_entry_dma; 61941e9e2be3SAdheer Chandravanshi unsigned long flags; 61951e9e2be3SAdheer Chandravanshi unsigned long wtime; 61961e9e2be3SAdheer Chandravanshi uint32_t ddb_state; 61971e9e2be3SAdheer Chandravanshi int options; 61981e9e2be3SAdheer Chandravanshi int ret = 0; 61991e9e2be3SAdheer Chandravanshi 62001e9e2be3SAdheer Chandravanshi sess = cls_sess->dd_data; 62011e9e2be3SAdheer Chandravanshi ddb_entry = sess->dd_data; 62021e9e2be3SAdheer Chandravanshi ha = ddb_entry->ha; 62031e9e2be3SAdheer Chandravanshi 62041e9e2be3SAdheer Chandravanshi if (ddb_entry->ddb_type != FLASH_DDB) { 62051e9e2be3SAdheer Chandravanshi ql4_printk(KERN_ERR, ha, "%s: Not a flash node session\n", 62061e9e2be3SAdheer Chandravanshi __func__); 62071e9e2be3SAdheer Chandravanshi ret = -ENXIO; 62081e9e2be3SAdheer Chandravanshi goto exit_ddb_logout; 62091e9e2be3SAdheer Chandravanshi } 62101e9e2be3SAdheer Chandravanshi 621137719c2aSAdheer Chandravanshi if (test_bit(DF_BOOT_TGT, &ddb_entry->flags)) { 621237719c2aSAdheer Chandravanshi ql4_printk(KERN_ERR, ha, 621337719c2aSAdheer Chandravanshi "%s: Logout from boot target entry is not permitted.\n", 621437719c2aSAdheer Chandravanshi __func__); 621537719c2aSAdheer Chandravanshi ret = -EPERM; 621637719c2aSAdheer Chandravanshi goto exit_ddb_logout; 621737719c2aSAdheer Chandravanshi } 621837719c2aSAdheer Chandravanshi 62191e9e2be3SAdheer Chandravanshi fw_ddb_entry = dma_alloc_coherent(&ha->pdev->dev, sizeof(*fw_ddb_entry), 62201e9e2be3SAdheer Chandravanshi &fw_ddb_entry_dma, GFP_KERNEL); 62211e9e2be3SAdheer Chandravanshi if (!fw_ddb_entry) { 62221e9e2be3SAdheer Chandravanshi ql4_printk(KERN_ERR, ha, 62231e9e2be3SAdheer Chandravanshi "%s: Unable to allocate dma buffer\n", __func__); 62241e9e2be3SAdheer Chandravanshi ret = -ENOMEM; 62251e9e2be3SAdheer Chandravanshi goto exit_ddb_logout; 62261e9e2be3SAdheer Chandravanshi } 62271e9e2be3SAdheer Chandravanshi 622899c6a33bSAdheer Chandravanshi if (test_and_set_bit(DF_DISABLE_RELOGIN, &ddb_entry->flags)) 622999c6a33bSAdheer Chandravanshi goto ddb_logout_init; 623099c6a33bSAdheer Chandravanshi 623199c6a33bSAdheer Chandravanshi ret = qla4xxx_get_fwddb_entry(ha, ddb_entry->fw_ddb_index, 623299c6a33bSAdheer Chandravanshi fw_ddb_entry, fw_ddb_entry_dma, 623399c6a33bSAdheer Chandravanshi NULL, NULL, &ddb_state, NULL, 623499c6a33bSAdheer Chandravanshi NULL, NULL); 623599c6a33bSAdheer Chandravanshi if (ret == QLA_ERROR) 623699c6a33bSAdheer Chandravanshi goto ddb_logout_init; 623799c6a33bSAdheer Chandravanshi 623899c6a33bSAdheer Chandravanshi if (ddb_state == DDB_DS_SESSION_ACTIVE) 623999c6a33bSAdheer Chandravanshi goto ddb_logout_init; 624099c6a33bSAdheer Chandravanshi 624199c6a33bSAdheer Chandravanshi /* wait until next relogin is triggered using DF_RELOGIN and 624299c6a33bSAdheer Chandravanshi * clear DF_RELOGIN to avoid invocation of further relogin 624399c6a33bSAdheer Chandravanshi */ 624499c6a33bSAdheer Chandravanshi wtime = jiffies + (HZ * RELOGIN_TOV); 624599c6a33bSAdheer Chandravanshi do { 624699c6a33bSAdheer Chandravanshi if (test_and_clear_bit(DF_RELOGIN, &ddb_entry->flags)) 624799c6a33bSAdheer Chandravanshi goto ddb_logout_init; 624899c6a33bSAdheer Chandravanshi 624999c6a33bSAdheer Chandravanshi schedule_timeout_uninterruptible(HZ); 625099c6a33bSAdheer Chandravanshi } while ((time_after(wtime, jiffies))); 625199c6a33bSAdheer Chandravanshi 625299c6a33bSAdheer Chandravanshi ddb_logout_init: 625399c6a33bSAdheer Chandravanshi atomic_set(&ddb_entry->retry_relogin_timer, INVALID_ENTRY); 625499c6a33bSAdheer Chandravanshi atomic_set(&ddb_entry->relogin_timer, 0); 625599c6a33bSAdheer Chandravanshi 625699c6a33bSAdheer Chandravanshi options = LOGOUT_OPTION_CLOSE_SESSION; 625799c6a33bSAdheer Chandravanshi qla4xxx_session_logout_ddb(ha, ddb_entry, options); 625899c6a33bSAdheer Chandravanshi 625999c6a33bSAdheer Chandravanshi memset(fw_ddb_entry, 0, sizeof(*fw_ddb_entry)); 62601e9e2be3SAdheer Chandravanshi wtime = jiffies + (HZ * LOGOUT_TOV); 62611e9e2be3SAdheer Chandravanshi do { 62621e9e2be3SAdheer Chandravanshi ret = qla4xxx_get_fwddb_entry(ha, ddb_entry->fw_ddb_index, 62631e9e2be3SAdheer Chandravanshi fw_ddb_entry, fw_ddb_entry_dma, 62641e9e2be3SAdheer Chandravanshi NULL, NULL, &ddb_state, NULL, 62651e9e2be3SAdheer Chandravanshi NULL, NULL); 62661e9e2be3SAdheer Chandravanshi if (ret == QLA_ERROR) 62671e9e2be3SAdheer Chandravanshi goto ddb_logout_clr_sess; 62681e9e2be3SAdheer Chandravanshi 62691e9e2be3SAdheer Chandravanshi if ((ddb_state == DDB_DS_NO_CONNECTION_ACTIVE) || 62701e9e2be3SAdheer Chandravanshi (ddb_state == DDB_DS_SESSION_FAILED)) 62711e9e2be3SAdheer Chandravanshi goto ddb_logout_clr_sess; 62721e9e2be3SAdheer Chandravanshi 62731e9e2be3SAdheer Chandravanshi schedule_timeout_uninterruptible(HZ); 62741e9e2be3SAdheer Chandravanshi } while ((time_after(wtime, jiffies))); 62751e9e2be3SAdheer Chandravanshi 62761e9e2be3SAdheer Chandravanshi ddb_logout_clr_sess: 62771e9e2be3SAdheer Chandravanshi qla4xxx_clear_ddb_entry(ha, ddb_entry->fw_ddb_index); 62781e9e2be3SAdheer Chandravanshi /* 62791e9e2be3SAdheer Chandravanshi * we have decremented the reference count of the driver 62801e9e2be3SAdheer Chandravanshi * when we setup the session to have the driver unload 62811e9e2be3SAdheer Chandravanshi * to be seamless without actually destroying the 62821e9e2be3SAdheer Chandravanshi * session 62831e9e2be3SAdheer Chandravanshi **/ 62841e9e2be3SAdheer Chandravanshi try_module_get(qla4xxx_iscsi_transport.owner); 62851e9e2be3SAdheer Chandravanshi iscsi_destroy_endpoint(ddb_entry->conn->ep); 62861e9e2be3SAdheer Chandravanshi 62871e9e2be3SAdheer Chandravanshi spin_lock_irqsave(&ha->hardware_lock, flags); 62881e9e2be3SAdheer Chandravanshi qla4xxx_free_ddb(ha, ddb_entry); 628999c6a33bSAdheer Chandravanshi clear_bit(ddb_entry->fw_ddb_index, ha->ddb_idx_map); 62901e9e2be3SAdheer Chandravanshi spin_unlock_irqrestore(&ha->hardware_lock, flags); 62911e9e2be3SAdheer Chandravanshi 62921e9e2be3SAdheer Chandravanshi iscsi_session_teardown(ddb_entry->sess); 62931e9e2be3SAdheer Chandravanshi 629499c6a33bSAdheer Chandravanshi clear_bit(DF_DISABLE_RELOGIN, &ddb_entry->flags); 62951e9e2be3SAdheer Chandravanshi ret = QLA_SUCCESS; 62961e9e2be3SAdheer Chandravanshi 62971e9e2be3SAdheer Chandravanshi exit_ddb_logout: 62981e9e2be3SAdheer Chandravanshi if (fw_ddb_entry) 62991e9e2be3SAdheer Chandravanshi dma_free_coherent(&ha->pdev->dev, sizeof(*fw_ddb_entry), 63001e9e2be3SAdheer Chandravanshi fw_ddb_entry, fw_ddb_entry_dma); 63011e9e2be3SAdheer Chandravanshi return ret; 63021e9e2be3SAdheer Chandravanshi } 63031e9e2be3SAdheer Chandravanshi 63041e9e2be3SAdheer Chandravanshi /** 63051e9e2be3SAdheer Chandravanshi * qla4xxx_sysfs_ddb_logout - Logout from the specified target 63061e9e2be3SAdheer Chandravanshi * @fnode_sess: pointer to session attrs of flash ddb entry 63071e9e2be3SAdheer Chandravanshi * @fnode_conn: pointer to connection attrs of flash ddb entry 63081e9e2be3SAdheer Chandravanshi * 63091e9e2be3SAdheer Chandravanshi * This performs log out from the specified target 63101e9e2be3SAdheer Chandravanshi **/ 63111e9e2be3SAdheer Chandravanshi static int qla4xxx_sysfs_ddb_logout(struct iscsi_bus_flash_session *fnode_sess, 63121e9e2be3SAdheer Chandravanshi struct iscsi_bus_flash_conn *fnode_conn) 63131e9e2be3SAdheer Chandravanshi { 63141e9e2be3SAdheer Chandravanshi struct Scsi_Host *shost = iscsi_flash_session_to_shost(fnode_sess); 63151e9e2be3SAdheer Chandravanshi struct scsi_qla_host *ha = to_qla_host(shost); 63161e9e2be3SAdheer Chandravanshi struct ql4_tuple_ddb *flash_tddb = NULL; 63171e9e2be3SAdheer Chandravanshi struct ql4_tuple_ddb *tmp_tddb = NULL; 63181e9e2be3SAdheer Chandravanshi struct dev_db_entry *fw_ddb_entry = NULL; 63191e9e2be3SAdheer Chandravanshi struct ddb_entry *ddb_entry = NULL; 63201e9e2be3SAdheer Chandravanshi dma_addr_t fw_ddb_dma; 63211e9e2be3SAdheer Chandravanshi uint32_t next_idx = 0; 63221e9e2be3SAdheer Chandravanshi uint32_t state = 0, conn_err = 0; 63231e9e2be3SAdheer Chandravanshi uint16_t conn_id = 0; 63241e9e2be3SAdheer Chandravanshi int idx, index; 63251e9e2be3SAdheer Chandravanshi int status, ret = 0; 63261e9e2be3SAdheer Chandravanshi 63271e9e2be3SAdheer Chandravanshi fw_ddb_entry = dma_pool_alloc(ha->fw_ddb_dma_pool, GFP_KERNEL, 63281e9e2be3SAdheer Chandravanshi &fw_ddb_dma); 63291e9e2be3SAdheer Chandravanshi if (fw_ddb_entry == NULL) { 63301e9e2be3SAdheer Chandravanshi ql4_printk(KERN_ERR, ha, "%s:Out of memory\n", __func__); 63311e9e2be3SAdheer Chandravanshi ret = -ENOMEM; 63321e9e2be3SAdheer Chandravanshi goto exit_ddb_logout; 63331e9e2be3SAdheer Chandravanshi } 63341e9e2be3SAdheer Chandravanshi 63351e9e2be3SAdheer Chandravanshi flash_tddb = vzalloc(sizeof(*flash_tddb)); 63361e9e2be3SAdheer Chandravanshi if (!flash_tddb) { 63371e9e2be3SAdheer Chandravanshi ql4_printk(KERN_WARNING, ha, 63381e9e2be3SAdheer Chandravanshi "%s:Memory Allocation failed.\n", __func__); 63391e9e2be3SAdheer Chandravanshi ret = -ENOMEM; 63401e9e2be3SAdheer Chandravanshi goto exit_ddb_logout; 63411e9e2be3SAdheer Chandravanshi } 63421e9e2be3SAdheer Chandravanshi 63431e9e2be3SAdheer Chandravanshi tmp_tddb = vzalloc(sizeof(*tmp_tddb)); 63441e9e2be3SAdheer Chandravanshi if (!tmp_tddb) { 63451e9e2be3SAdheer Chandravanshi ql4_printk(KERN_WARNING, ha, 63461e9e2be3SAdheer Chandravanshi "%s:Memory Allocation failed.\n", __func__); 63471e9e2be3SAdheer Chandravanshi ret = -ENOMEM; 63481e9e2be3SAdheer Chandravanshi goto exit_ddb_logout; 63491e9e2be3SAdheer Chandravanshi } 63501e9e2be3SAdheer Chandravanshi 63511e9e2be3SAdheer Chandravanshi if (!fnode_sess->targetname) { 63521e9e2be3SAdheer Chandravanshi ql4_printk(KERN_ERR, ha, 63531e9e2be3SAdheer Chandravanshi "%s:Cannot logout from SendTarget entry\n", 63541e9e2be3SAdheer Chandravanshi __func__); 63551e9e2be3SAdheer Chandravanshi ret = -EPERM; 63561e9e2be3SAdheer Chandravanshi goto exit_ddb_logout; 63571e9e2be3SAdheer Chandravanshi } 63581e9e2be3SAdheer Chandravanshi 63591e9e2be3SAdheer Chandravanshi if (fnode_sess->is_boot_target) { 63601e9e2be3SAdheer Chandravanshi ql4_printk(KERN_ERR, ha, 63611e9e2be3SAdheer Chandravanshi "%s: Logout from boot target entry is not permitted.\n", 63621e9e2be3SAdheer Chandravanshi __func__); 63631e9e2be3SAdheer Chandravanshi ret = -EPERM; 63641e9e2be3SAdheer Chandravanshi goto exit_ddb_logout; 63651e9e2be3SAdheer Chandravanshi } 63661e9e2be3SAdheer Chandravanshi 63671e9e2be3SAdheer Chandravanshi strncpy(flash_tddb->iscsi_name, fnode_sess->targetname, 63681e9e2be3SAdheer Chandravanshi ISCSI_NAME_SIZE); 63691e9e2be3SAdheer Chandravanshi 6370c962c18bSAdheer Chandravanshi if (!strncmp(fnode_sess->portal_type, PORTAL_TYPE_IPV6, 4)) 63711e9e2be3SAdheer Chandravanshi sprintf(flash_tddb->ip_addr, "%pI6", fnode_conn->ipaddress); 63721e9e2be3SAdheer Chandravanshi else 63731e9e2be3SAdheer Chandravanshi sprintf(flash_tddb->ip_addr, "%pI4", fnode_conn->ipaddress); 63741e9e2be3SAdheer Chandravanshi 63751e9e2be3SAdheer Chandravanshi flash_tddb->tpgt = fnode_sess->tpgt; 63761e9e2be3SAdheer Chandravanshi flash_tddb->port = fnode_conn->port; 63771e9e2be3SAdheer Chandravanshi 63781e9e2be3SAdheer Chandravanshi COPY_ISID(flash_tddb->isid, fnode_sess->isid); 63791e9e2be3SAdheer Chandravanshi 63801e9e2be3SAdheer Chandravanshi for (idx = 0; idx < MAX_DDB_ENTRIES; idx++) { 63811e9e2be3SAdheer Chandravanshi ddb_entry = qla4xxx_lookup_ddb_by_fw_index(ha, idx); 63821e9e2be3SAdheer Chandravanshi if (ddb_entry == NULL) 63831e9e2be3SAdheer Chandravanshi continue; 63841e9e2be3SAdheer Chandravanshi 63851e9e2be3SAdheer Chandravanshi if (ddb_entry->ddb_type != FLASH_DDB) 63861e9e2be3SAdheer Chandravanshi continue; 63871e9e2be3SAdheer Chandravanshi 63881e9e2be3SAdheer Chandravanshi index = ddb_entry->sess->target_id; 63891e9e2be3SAdheer Chandravanshi status = qla4xxx_get_fwddb_entry(ha, index, fw_ddb_entry, 63901e9e2be3SAdheer Chandravanshi fw_ddb_dma, NULL, &next_idx, 63911e9e2be3SAdheer Chandravanshi &state, &conn_err, NULL, 63921e9e2be3SAdheer Chandravanshi &conn_id); 63931e9e2be3SAdheer Chandravanshi if (status == QLA_ERROR) { 63941e9e2be3SAdheer Chandravanshi ret = -ENOMEM; 63951e9e2be3SAdheer Chandravanshi break; 63961e9e2be3SAdheer Chandravanshi } 63971e9e2be3SAdheer Chandravanshi 63981e9e2be3SAdheer Chandravanshi qla4xxx_convert_param_ddb(fw_ddb_entry, tmp_tddb, NULL); 63991e9e2be3SAdheer Chandravanshi 64001e9e2be3SAdheer Chandravanshi status = qla4xxx_compare_tuple_ddb(ha, flash_tddb, tmp_tddb, 64011e9e2be3SAdheer Chandravanshi true); 64021e9e2be3SAdheer Chandravanshi if (status == QLA_SUCCESS) { 64031e9e2be3SAdheer Chandravanshi ret = qla4xxx_sysfs_ddb_logout_sid(ddb_entry->sess); 64041e9e2be3SAdheer Chandravanshi break; 64051e9e2be3SAdheer Chandravanshi } 64061e9e2be3SAdheer Chandravanshi } 64071e9e2be3SAdheer Chandravanshi 64081e9e2be3SAdheer Chandravanshi if (idx == MAX_DDB_ENTRIES) 64091e9e2be3SAdheer Chandravanshi ret = -ESRCH; 64101e9e2be3SAdheer Chandravanshi 64111e9e2be3SAdheer Chandravanshi exit_ddb_logout: 64121e9e2be3SAdheer Chandravanshi if (flash_tddb) 64131e9e2be3SAdheer Chandravanshi vfree(flash_tddb); 64141e9e2be3SAdheer Chandravanshi if (tmp_tddb) 64151e9e2be3SAdheer Chandravanshi vfree(tmp_tddb); 64161e9e2be3SAdheer Chandravanshi if (fw_ddb_entry) 64171e9e2be3SAdheer Chandravanshi dma_pool_free(ha->fw_ddb_dma_pool, fw_ddb_entry, fw_ddb_dma); 64181e9e2be3SAdheer Chandravanshi 64191e9e2be3SAdheer Chandravanshi return ret; 64201e9e2be3SAdheer Chandravanshi } 64211e9e2be3SAdheer Chandravanshi 64221e9e2be3SAdheer Chandravanshi static int 64231e9e2be3SAdheer Chandravanshi qla4xxx_sysfs_ddb_get_param(struct iscsi_bus_flash_session *fnode_sess, 64241e9e2be3SAdheer Chandravanshi int param, char *buf) 64251e9e2be3SAdheer Chandravanshi { 64261e9e2be3SAdheer Chandravanshi struct Scsi_Host *shost = iscsi_flash_session_to_shost(fnode_sess); 64271e9e2be3SAdheer Chandravanshi struct scsi_qla_host *ha = to_qla_host(shost); 64281e9e2be3SAdheer Chandravanshi struct iscsi_bus_flash_conn *fnode_conn; 64291e9e2be3SAdheer Chandravanshi struct ql4_chap_table chap_tbl; 64301e9e2be3SAdheer Chandravanshi struct device *dev; 6431a2f76636SAdheer Chandravanshi int parent_type; 64321e9e2be3SAdheer Chandravanshi int rc = 0; 64331e9e2be3SAdheer Chandravanshi 64348526cb11SMike Christie dev = iscsi_find_flashnode_conn(fnode_sess); 64351e9e2be3SAdheer Chandravanshi if (!dev) 64361e9e2be3SAdheer Chandravanshi return -EIO; 64371e9e2be3SAdheer Chandravanshi 64381e9e2be3SAdheer Chandravanshi fnode_conn = iscsi_dev_to_flash_conn(dev); 64391e9e2be3SAdheer Chandravanshi 64401e9e2be3SAdheer Chandravanshi switch (param) { 64411e9e2be3SAdheer Chandravanshi case ISCSI_FLASHNODE_IS_FW_ASSIGNED_IPV6: 64421e9e2be3SAdheer Chandravanshi rc = sprintf(buf, "%u\n", fnode_conn->is_fw_assigned_ipv6); 64431e9e2be3SAdheer Chandravanshi break; 64441e9e2be3SAdheer Chandravanshi case ISCSI_FLASHNODE_PORTAL_TYPE: 64451e9e2be3SAdheer Chandravanshi rc = sprintf(buf, "%s\n", fnode_sess->portal_type); 64461e9e2be3SAdheer Chandravanshi break; 64471e9e2be3SAdheer Chandravanshi case ISCSI_FLASHNODE_AUTO_SND_TGT_DISABLE: 64481e9e2be3SAdheer Chandravanshi rc = sprintf(buf, "%u\n", fnode_sess->auto_snd_tgt_disable); 64491e9e2be3SAdheer Chandravanshi break; 64501e9e2be3SAdheer Chandravanshi case ISCSI_FLASHNODE_DISCOVERY_SESS: 64511e9e2be3SAdheer Chandravanshi rc = sprintf(buf, "%u\n", fnode_sess->discovery_sess); 64521e9e2be3SAdheer Chandravanshi break; 64531e9e2be3SAdheer Chandravanshi case ISCSI_FLASHNODE_ENTRY_EN: 64541e9e2be3SAdheer Chandravanshi rc = sprintf(buf, "%u\n", fnode_sess->entry_state); 64551e9e2be3SAdheer Chandravanshi break; 64561e9e2be3SAdheer Chandravanshi case ISCSI_FLASHNODE_HDR_DGST_EN: 64571e9e2be3SAdheer Chandravanshi rc = sprintf(buf, "%u\n", fnode_conn->hdrdgst_en); 64581e9e2be3SAdheer Chandravanshi break; 64591e9e2be3SAdheer Chandravanshi case ISCSI_FLASHNODE_DATA_DGST_EN: 64601e9e2be3SAdheer Chandravanshi rc = sprintf(buf, "%u\n", fnode_conn->datadgst_en); 64611e9e2be3SAdheer Chandravanshi break; 64621e9e2be3SAdheer Chandravanshi case ISCSI_FLASHNODE_IMM_DATA_EN: 64631e9e2be3SAdheer Chandravanshi rc = sprintf(buf, "%u\n", fnode_sess->imm_data_en); 64641e9e2be3SAdheer Chandravanshi break; 64651e9e2be3SAdheer Chandravanshi case ISCSI_FLASHNODE_INITIAL_R2T_EN: 64661e9e2be3SAdheer Chandravanshi rc = sprintf(buf, "%u\n", fnode_sess->initial_r2t_en); 64671e9e2be3SAdheer Chandravanshi break; 64681e9e2be3SAdheer Chandravanshi case ISCSI_FLASHNODE_DATASEQ_INORDER: 64691e9e2be3SAdheer Chandravanshi rc = sprintf(buf, "%u\n", fnode_sess->dataseq_inorder_en); 64701e9e2be3SAdheer Chandravanshi break; 64711e9e2be3SAdheer Chandravanshi case ISCSI_FLASHNODE_PDU_INORDER: 64721e9e2be3SAdheer Chandravanshi rc = sprintf(buf, "%u\n", fnode_sess->pdu_inorder_en); 64731e9e2be3SAdheer Chandravanshi break; 64741e9e2be3SAdheer Chandravanshi case ISCSI_FLASHNODE_CHAP_AUTH_EN: 64751e9e2be3SAdheer Chandravanshi rc = sprintf(buf, "%u\n", fnode_sess->chap_auth_en); 64761e9e2be3SAdheer Chandravanshi break; 64771e9e2be3SAdheer Chandravanshi case ISCSI_FLASHNODE_SNACK_REQ_EN: 64781e9e2be3SAdheer Chandravanshi rc = sprintf(buf, "%u\n", fnode_conn->snack_req_en); 64791e9e2be3SAdheer Chandravanshi break; 64801e9e2be3SAdheer Chandravanshi case ISCSI_FLASHNODE_DISCOVERY_LOGOUT_EN: 64811e9e2be3SAdheer Chandravanshi rc = sprintf(buf, "%u\n", fnode_sess->discovery_logout_en); 64821e9e2be3SAdheer Chandravanshi break; 64831e9e2be3SAdheer Chandravanshi case ISCSI_FLASHNODE_BIDI_CHAP_EN: 64841e9e2be3SAdheer Chandravanshi rc = sprintf(buf, "%u\n", fnode_sess->bidi_chap_en); 64851e9e2be3SAdheer Chandravanshi break; 64861e9e2be3SAdheer Chandravanshi case ISCSI_FLASHNODE_DISCOVERY_AUTH_OPTIONAL: 64871e9e2be3SAdheer Chandravanshi rc = sprintf(buf, "%u\n", fnode_sess->discovery_auth_optional); 64881e9e2be3SAdheer Chandravanshi break; 64891e9e2be3SAdheer Chandravanshi case ISCSI_FLASHNODE_ERL: 64901e9e2be3SAdheer Chandravanshi rc = sprintf(buf, "%u\n", fnode_sess->erl); 64911e9e2be3SAdheer Chandravanshi break; 64921e9e2be3SAdheer Chandravanshi case ISCSI_FLASHNODE_TCP_TIMESTAMP_STAT: 64931e9e2be3SAdheer Chandravanshi rc = sprintf(buf, "%u\n", fnode_conn->tcp_timestamp_stat); 64941e9e2be3SAdheer Chandravanshi break; 64951e9e2be3SAdheer Chandravanshi case ISCSI_FLASHNODE_TCP_NAGLE_DISABLE: 64961e9e2be3SAdheer Chandravanshi rc = sprintf(buf, "%u\n", fnode_conn->tcp_nagle_disable); 64971e9e2be3SAdheer Chandravanshi break; 64981e9e2be3SAdheer Chandravanshi case ISCSI_FLASHNODE_TCP_WSF_DISABLE: 64991e9e2be3SAdheer Chandravanshi rc = sprintf(buf, "%u\n", fnode_conn->tcp_wsf_disable); 65001e9e2be3SAdheer Chandravanshi break; 65011e9e2be3SAdheer Chandravanshi case ISCSI_FLASHNODE_TCP_TIMER_SCALE: 65021e9e2be3SAdheer Chandravanshi rc = sprintf(buf, "%u\n", fnode_conn->tcp_timer_scale); 65031e9e2be3SAdheer Chandravanshi break; 65041e9e2be3SAdheer Chandravanshi case ISCSI_FLASHNODE_TCP_TIMESTAMP_EN: 65051e9e2be3SAdheer Chandravanshi rc = sprintf(buf, "%u\n", fnode_conn->tcp_timestamp_en); 65061e9e2be3SAdheer Chandravanshi break; 65071e9e2be3SAdheer Chandravanshi case ISCSI_FLASHNODE_IP_FRAG_DISABLE: 65081e9e2be3SAdheer Chandravanshi rc = sprintf(buf, "%u\n", fnode_conn->fragment_disable); 65091e9e2be3SAdheer Chandravanshi break; 65101e9e2be3SAdheer Chandravanshi case ISCSI_FLASHNODE_MAX_RECV_DLENGTH: 65111e9e2be3SAdheer Chandravanshi rc = sprintf(buf, "%u\n", fnode_conn->max_recv_dlength); 65121e9e2be3SAdheer Chandravanshi break; 65131e9e2be3SAdheer Chandravanshi case ISCSI_FLASHNODE_MAX_XMIT_DLENGTH: 65141e9e2be3SAdheer Chandravanshi rc = sprintf(buf, "%u\n", fnode_conn->max_xmit_dlength); 65151e9e2be3SAdheer Chandravanshi break; 65161e9e2be3SAdheer Chandravanshi case ISCSI_FLASHNODE_FIRST_BURST: 65171e9e2be3SAdheer Chandravanshi rc = sprintf(buf, "%u\n", fnode_sess->first_burst); 65181e9e2be3SAdheer Chandravanshi break; 65191e9e2be3SAdheer Chandravanshi case ISCSI_FLASHNODE_DEF_TIME2WAIT: 65201e9e2be3SAdheer Chandravanshi rc = sprintf(buf, "%u\n", fnode_sess->time2wait); 65211e9e2be3SAdheer Chandravanshi break; 65221e9e2be3SAdheer Chandravanshi case ISCSI_FLASHNODE_DEF_TIME2RETAIN: 65231e9e2be3SAdheer Chandravanshi rc = sprintf(buf, "%u\n", fnode_sess->time2retain); 65241e9e2be3SAdheer Chandravanshi break; 65251e9e2be3SAdheer Chandravanshi case ISCSI_FLASHNODE_MAX_R2T: 65261e9e2be3SAdheer Chandravanshi rc = sprintf(buf, "%u\n", fnode_sess->max_r2t); 65271e9e2be3SAdheer Chandravanshi break; 65281e9e2be3SAdheer Chandravanshi case ISCSI_FLASHNODE_KEEPALIVE_TMO: 65291e9e2be3SAdheer Chandravanshi rc = sprintf(buf, "%u\n", fnode_conn->keepalive_timeout); 65301e9e2be3SAdheer Chandravanshi break; 65311e9e2be3SAdheer Chandravanshi case ISCSI_FLASHNODE_ISID: 65321e9e2be3SAdheer Chandravanshi rc = sprintf(buf, "%02x%02x%02x%02x%02x%02x\n", 65331e9e2be3SAdheer Chandravanshi fnode_sess->isid[0], fnode_sess->isid[1], 65341e9e2be3SAdheer Chandravanshi fnode_sess->isid[2], fnode_sess->isid[3], 65351e9e2be3SAdheer Chandravanshi fnode_sess->isid[4], fnode_sess->isid[5]); 65361e9e2be3SAdheer Chandravanshi break; 65371e9e2be3SAdheer Chandravanshi case ISCSI_FLASHNODE_TSID: 65381e9e2be3SAdheer Chandravanshi rc = sprintf(buf, "%u\n", fnode_sess->tsid); 65391e9e2be3SAdheer Chandravanshi break; 65401e9e2be3SAdheer Chandravanshi case ISCSI_FLASHNODE_PORT: 65411e9e2be3SAdheer Chandravanshi rc = sprintf(buf, "%d\n", fnode_conn->port); 65421e9e2be3SAdheer Chandravanshi break; 65431e9e2be3SAdheer Chandravanshi case ISCSI_FLASHNODE_MAX_BURST: 65441e9e2be3SAdheer Chandravanshi rc = sprintf(buf, "%u\n", fnode_sess->max_burst); 65451e9e2be3SAdheer Chandravanshi break; 65461e9e2be3SAdheer Chandravanshi case ISCSI_FLASHNODE_DEF_TASKMGMT_TMO: 65471e9e2be3SAdheer Chandravanshi rc = sprintf(buf, "%u\n", 65481e9e2be3SAdheer Chandravanshi fnode_sess->default_taskmgmt_timeout); 65491e9e2be3SAdheer Chandravanshi break; 65501e9e2be3SAdheer Chandravanshi case ISCSI_FLASHNODE_IPADDR: 6551c962c18bSAdheer Chandravanshi if (!strncmp(fnode_sess->portal_type, PORTAL_TYPE_IPV6, 4)) 65521e9e2be3SAdheer Chandravanshi rc = sprintf(buf, "%pI6\n", fnode_conn->ipaddress); 65531e9e2be3SAdheer Chandravanshi else 65541e9e2be3SAdheer Chandravanshi rc = sprintf(buf, "%pI4\n", fnode_conn->ipaddress); 65551e9e2be3SAdheer Chandravanshi break; 65561e9e2be3SAdheer Chandravanshi case ISCSI_FLASHNODE_ALIAS: 65571e9e2be3SAdheer Chandravanshi if (fnode_sess->targetalias) 65581e9e2be3SAdheer Chandravanshi rc = sprintf(buf, "%s\n", fnode_sess->targetalias); 65591e9e2be3SAdheer Chandravanshi else 65601e9e2be3SAdheer Chandravanshi rc = sprintf(buf, "\n"); 65611e9e2be3SAdheer Chandravanshi break; 65621e9e2be3SAdheer Chandravanshi case ISCSI_FLASHNODE_REDIRECT_IPADDR: 6563c962c18bSAdheer Chandravanshi if (!strncmp(fnode_sess->portal_type, PORTAL_TYPE_IPV6, 4)) 65641e9e2be3SAdheer Chandravanshi rc = sprintf(buf, "%pI6\n", 65651e9e2be3SAdheer Chandravanshi fnode_conn->redirect_ipaddr); 65661e9e2be3SAdheer Chandravanshi else 65671e9e2be3SAdheer Chandravanshi rc = sprintf(buf, "%pI4\n", 65681e9e2be3SAdheer Chandravanshi fnode_conn->redirect_ipaddr); 65691e9e2be3SAdheer Chandravanshi break; 65701e9e2be3SAdheer Chandravanshi case ISCSI_FLASHNODE_MAX_SEGMENT_SIZE: 65711e9e2be3SAdheer Chandravanshi rc = sprintf(buf, "%u\n", fnode_conn->max_segment_size); 65721e9e2be3SAdheer Chandravanshi break; 65731e9e2be3SAdheer Chandravanshi case ISCSI_FLASHNODE_LOCAL_PORT: 65741e9e2be3SAdheer Chandravanshi rc = sprintf(buf, "%u\n", fnode_conn->local_port); 65751e9e2be3SAdheer Chandravanshi break; 65761e9e2be3SAdheer Chandravanshi case ISCSI_FLASHNODE_IPV4_TOS: 65771e9e2be3SAdheer Chandravanshi rc = sprintf(buf, "%u\n", fnode_conn->ipv4_tos); 65781e9e2be3SAdheer Chandravanshi break; 65791e9e2be3SAdheer Chandravanshi case ISCSI_FLASHNODE_IPV6_TC: 6580c962c18bSAdheer Chandravanshi if (!strncmp(fnode_sess->portal_type, PORTAL_TYPE_IPV6, 4)) 65811e9e2be3SAdheer Chandravanshi rc = sprintf(buf, "%u\n", 65821e9e2be3SAdheer Chandravanshi fnode_conn->ipv6_traffic_class); 65831e9e2be3SAdheer Chandravanshi else 65841e9e2be3SAdheer Chandravanshi rc = sprintf(buf, "\n"); 65851e9e2be3SAdheer Chandravanshi break; 65861e9e2be3SAdheer Chandravanshi case ISCSI_FLASHNODE_IPV6_FLOW_LABEL: 65871e9e2be3SAdheer Chandravanshi rc = sprintf(buf, "%u\n", fnode_conn->ipv6_flow_label); 65881e9e2be3SAdheer Chandravanshi break; 65891e9e2be3SAdheer Chandravanshi case ISCSI_FLASHNODE_LINK_LOCAL_IPV6: 6590c962c18bSAdheer Chandravanshi if (!strncmp(fnode_sess->portal_type, PORTAL_TYPE_IPV6, 4)) 65911e9e2be3SAdheer Chandravanshi rc = sprintf(buf, "%pI6\n", 65921e9e2be3SAdheer Chandravanshi fnode_conn->link_local_ipv6_addr); 65931e9e2be3SAdheer Chandravanshi else 65941e9e2be3SAdheer Chandravanshi rc = sprintf(buf, "\n"); 65951e9e2be3SAdheer Chandravanshi break; 65961e9e2be3SAdheer Chandravanshi case ISCSI_FLASHNODE_DISCOVERY_PARENT_IDX: 6597a2f76636SAdheer Chandravanshi rc = sprintf(buf, "%u\n", fnode_sess->discovery_parent_idx); 65981e9e2be3SAdheer Chandravanshi break; 65991e9e2be3SAdheer Chandravanshi case ISCSI_FLASHNODE_DISCOVERY_PARENT_TYPE: 66001e9e2be3SAdheer Chandravanshi if (fnode_sess->discovery_parent_type == DDB_ISNS) 66011e9e2be3SAdheer Chandravanshi parent_type = ISCSI_DISC_PARENT_ISNS; 66021e9e2be3SAdheer Chandravanshi else if (fnode_sess->discovery_parent_type == DDB_NO_LINK) 66031e9e2be3SAdheer Chandravanshi parent_type = ISCSI_DISC_PARENT_UNKNOWN; 6604b6130ceaSVikas Chaudhary else if (fnode_sess->discovery_parent_type < MAX_DDB_ENTRIES) 66051e9e2be3SAdheer Chandravanshi parent_type = ISCSI_DISC_PARENT_SENDTGT; 66061e9e2be3SAdheer Chandravanshi else 66071e9e2be3SAdheer Chandravanshi parent_type = ISCSI_DISC_PARENT_UNKNOWN; 66081e9e2be3SAdheer Chandravanshi 66091e9e2be3SAdheer Chandravanshi rc = sprintf(buf, "%s\n", 66101e9e2be3SAdheer Chandravanshi iscsi_get_discovery_parent_name(parent_type)); 66111e9e2be3SAdheer Chandravanshi break; 66121e9e2be3SAdheer Chandravanshi case ISCSI_FLASHNODE_NAME: 66131e9e2be3SAdheer Chandravanshi if (fnode_sess->targetname) 66141e9e2be3SAdheer Chandravanshi rc = sprintf(buf, "%s\n", fnode_sess->targetname); 66151e9e2be3SAdheer Chandravanshi else 66161e9e2be3SAdheer Chandravanshi rc = sprintf(buf, "\n"); 66171e9e2be3SAdheer Chandravanshi break; 66181e9e2be3SAdheer Chandravanshi case ISCSI_FLASHNODE_TPGT: 66191e9e2be3SAdheer Chandravanshi rc = sprintf(buf, "%u\n", fnode_sess->tpgt); 66201e9e2be3SAdheer Chandravanshi break; 66211e9e2be3SAdheer Chandravanshi case ISCSI_FLASHNODE_TCP_XMIT_WSF: 66221e9e2be3SAdheer Chandravanshi rc = sprintf(buf, "%u\n", fnode_conn->tcp_xmit_wsf); 66231e9e2be3SAdheer Chandravanshi break; 66241e9e2be3SAdheer Chandravanshi case ISCSI_FLASHNODE_TCP_RECV_WSF: 66251e9e2be3SAdheer Chandravanshi rc = sprintf(buf, "%u\n", fnode_conn->tcp_recv_wsf); 66261e9e2be3SAdheer Chandravanshi break; 66271e9e2be3SAdheer Chandravanshi case ISCSI_FLASHNODE_CHAP_OUT_IDX: 66281e9e2be3SAdheer Chandravanshi rc = sprintf(buf, "%u\n", fnode_sess->chap_out_idx); 66291e9e2be3SAdheer Chandravanshi break; 66301e9e2be3SAdheer Chandravanshi case ISCSI_FLASHNODE_USERNAME: 66311e9e2be3SAdheer Chandravanshi if (fnode_sess->chap_auth_en) { 66321e9e2be3SAdheer Chandravanshi qla4xxx_get_uni_chap_at_index(ha, 66331e9e2be3SAdheer Chandravanshi chap_tbl.name, 66341e9e2be3SAdheer Chandravanshi chap_tbl.secret, 66351e9e2be3SAdheer Chandravanshi fnode_sess->chap_out_idx); 66361e9e2be3SAdheer Chandravanshi rc = sprintf(buf, "%s\n", chap_tbl.name); 66371e9e2be3SAdheer Chandravanshi } else { 66381e9e2be3SAdheer Chandravanshi rc = sprintf(buf, "\n"); 66391e9e2be3SAdheer Chandravanshi } 66401e9e2be3SAdheer Chandravanshi break; 66411e9e2be3SAdheer Chandravanshi case ISCSI_FLASHNODE_PASSWORD: 66421e9e2be3SAdheer Chandravanshi if (fnode_sess->chap_auth_en) { 66431e9e2be3SAdheer Chandravanshi qla4xxx_get_uni_chap_at_index(ha, 66441e9e2be3SAdheer Chandravanshi chap_tbl.name, 66451e9e2be3SAdheer Chandravanshi chap_tbl.secret, 66461e9e2be3SAdheer Chandravanshi fnode_sess->chap_out_idx); 66471e9e2be3SAdheer Chandravanshi rc = sprintf(buf, "%s\n", chap_tbl.secret); 66481e9e2be3SAdheer Chandravanshi } else { 66491e9e2be3SAdheer Chandravanshi rc = sprintf(buf, "\n"); 66501e9e2be3SAdheer Chandravanshi } 66511e9e2be3SAdheer Chandravanshi break; 66521e9e2be3SAdheer Chandravanshi case ISCSI_FLASHNODE_STATSN: 66531e9e2be3SAdheer Chandravanshi rc = sprintf(buf, "%u\n", fnode_conn->statsn); 66541e9e2be3SAdheer Chandravanshi break; 66551e9e2be3SAdheer Chandravanshi case ISCSI_FLASHNODE_EXP_STATSN: 66561e9e2be3SAdheer Chandravanshi rc = sprintf(buf, "%u\n", fnode_conn->exp_statsn); 66571e9e2be3SAdheer Chandravanshi break; 66581e9e2be3SAdheer Chandravanshi case ISCSI_FLASHNODE_IS_BOOT_TGT: 66591e9e2be3SAdheer Chandravanshi rc = sprintf(buf, "%u\n", fnode_sess->is_boot_target); 66601e9e2be3SAdheer Chandravanshi break; 66611e9e2be3SAdheer Chandravanshi default: 66621e9e2be3SAdheer Chandravanshi rc = -ENOSYS; 66631e9e2be3SAdheer Chandravanshi break; 66641e9e2be3SAdheer Chandravanshi } 66658526cb11SMike Christie 66668526cb11SMike Christie put_device(dev); 66671e9e2be3SAdheer Chandravanshi return rc; 66681e9e2be3SAdheer Chandravanshi } 66691e9e2be3SAdheer Chandravanshi 66701e9e2be3SAdheer Chandravanshi /** 66711e9e2be3SAdheer Chandravanshi * qla4xxx_sysfs_ddb_set_param - Set parameter for firmware DDB entry 66721e9e2be3SAdheer Chandravanshi * @fnode_sess: pointer to session attrs of flash ddb entry 66731e9e2be3SAdheer Chandravanshi * @fnode_conn: pointer to connection attrs of flash ddb entry 66741e9e2be3SAdheer Chandravanshi * @data: Parameters and their values to update 66751e9e2be3SAdheer Chandravanshi * @len: len of data 66761e9e2be3SAdheer Chandravanshi * 66771e9e2be3SAdheer Chandravanshi * This sets the parameter of flash ddb entry and writes them to flash 66781e9e2be3SAdheer Chandravanshi **/ 66791e9e2be3SAdheer Chandravanshi static int 66801e9e2be3SAdheer Chandravanshi qla4xxx_sysfs_ddb_set_param(struct iscsi_bus_flash_session *fnode_sess, 66811e9e2be3SAdheer Chandravanshi struct iscsi_bus_flash_conn *fnode_conn, 66821e9e2be3SAdheer Chandravanshi void *data, int len) 66831e9e2be3SAdheer Chandravanshi { 66841e9e2be3SAdheer Chandravanshi struct Scsi_Host *shost = iscsi_flash_session_to_shost(fnode_sess); 66851e9e2be3SAdheer Chandravanshi struct scsi_qla_host *ha = to_qla_host(shost); 66861e9e2be3SAdheer Chandravanshi struct iscsi_flashnode_param_info *fnode_param; 66871e9e2be3SAdheer Chandravanshi struct nlattr *attr; 66881e9e2be3SAdheer Chandravanshi int rc = QLA_ERROR; 66891e9e2be3SAdheer Chandravanshi uint32_t rem = len; 66901e9e2be3SAdheer Chandravanshi 66911e9e2be3SAdheer Chandravanshi nla_for_each_attr(attr, data, len, rem) { 66921e9e2be3SAdheer Chandravanshi fnode_param = nla_data(attr); 66931e9e2be3SAdheer Chandravanshi 66941e9e2be3SAdheer Chandravanshi switch (fnode_param->param) { 66951e9e2be3SAdheer Chandravanshi case ISCSI_FLASHNODE_IS_FW_ASSIGNED_IPV6: 66961e9e2be3SAdheer Chandravanshi fnode_conn->is_fw_assigned_ipv6 = fnode_param->value[0]; 66971e9e2be3SAdheer Chandravanshi break; 66981e9e2be3SAdheer Chandravanshi case ISCSI_FLASHNODE_PORTAL_TYPE: 66991e9e2be3SAdheer Chandravanshi memcpy(fnode_sess->portal_type, fnode_param->value, 67001e9e2be3SAdheer Chandravanshi strlen(fnode_sess->portal_type)); 67011e9e2be3SAdheer Chandravanshi break; 67021e9e2be3SAdheer Chandravanshi case ISCSI_FLASHNODE_AUTO_SND_TGT_DISABLE: 67031e9e2be3SAdheer Chandravanshi fnode_sess->auto_snd_tgt_disable = 67041e9e2be3SAdheer Chandravanshi fnode_param->value[0]; 67051e9e2be3SAdheer Chandravanshi break; 67061e9e2be3SAdheer Chandravanshi case ISCSI_FLASHNODE_DISCOVERY_SESS: 67071e9e2be3SAdheer Chandravanshi fnode_sess->discovery_sess = fnode_param->value[0]; 67081e9e2be3SAdheer Chandravanshi break; 67091e9e2be3SAdheer Chandravanshi case ISCSI_FLASHNODE_ENTRY_EN: 67101e9e2be3SAdheer Chandravanshi fnode_sess->entry_state = fnode_param->value[0]; 67111e9e2be3SAdheer Chandravanshi break; 67121e9e2be3SAdheer Chandravanshi case ISCSI_FLASHNODE_HDR_DGST_EN: 67131e9e2be3SAdheer Chandravanshi fnode_conn->hdrdgst_en = fnode_param->value[0]; 67141e9e2be3SAdheer Chandravanshi break; 67151e9e2be3SAdheer Chandravanshi case ISCSI_FLASHNODE_DATA_DGST_EN: 67161e9e2be3SAdheer Chandravanshi fnode_conn->datadgst_en = fnode_param->value[0]; 67171e9e2be3SAdheer Chandravanshi break; 67181e9e2be3SAdheer Chandravanshi case ISCSI_FLASHNODE_IMM_DATA_EN: 67191e9e2be3SAdheer Chandravanshi fnode_sess->imm_data_en = fnode_param->value[0]; 67201e9e2be3SAdheer Chandravanshi break; 67211e9e2be3SAdheer Chandravanshi case ISCSI_FLASHNODE_INITIAL_R2T_EN: 67221e9e2be3SAdheer Chandravanshi fnode_sess->initial_r2t_en = fnode_param->value[0]; 67231e9e2be3SAdheer Chandravanshi break; 67241e9e2be3SAdheer Chandravanshi case ISCSI_FLASHNODE_DATASEQ_INORDER: 67251e9e2be3SAdheer Chandravanshi fnode_sess->dataseq_inorder_en = fnode_param->value[0]; 67261e9e2be3SAdheer Chandravanshi break; 67271e9e2be3SAdheer Chandravanshi case ISCSI_FLASHNODE_PDU_INORDER: 67281e9e2be3SAdheer Chandravanshi fnode_sess->pdu_inorder_en = fnode_param->value[0]; 67291e9e2be3SAdheer Chandravanshi break; 67301e9e2be3SAdheer Chandravanshi case ISCSI_FLASHNODE_CHAP_AUTH_EN: 67311e9e2be3SAdheer Chandravanshi fnode_sess->chap_auth_en = fnode_param->value[0]; 67321e9e2be3SAdheer Chandravanshi break; 67331e9e2be3SAdheer Chandravanshi case ISCSI_FLASHNODE_SNACK_REQ_EN: 67341e9e2be3SAdheer Chandravanshi fnode_conn->snack_req_en = fnode_param->value[0]; 67351e9e2be3SAdheer Chandravanshi break; 67361e9e2be3SAdheer Chandravanshi case ISCSI_FLASHNODE_DISCOVERY_LOGOUT_EN: 67371e9e2be3SAdheer Chandravanshi fnode_sess->discovery_logout_en = fnode_param->value[0]; 67381e9e2be3SAdheer Chandravanshi break; 67391e9e2be3SAdheer Chandravanshi case ISCSI_FLASHNODE_BIDI_CHAP_EN: 67401e9e2be3SAdheer Chandravanshi fnode_sess->bidi_chap_en = fnode_param->value[0]; 67411e9e2be3SAdheer Chandravanshi break; 67421e9e2be3SAdheer Chandravanshi case ISCSI_FLASHNODE_DISCOVERY_AUTH_OPTIONAL: 67431e9e2be3SAdheer Chandravanshi fnode_sess->discovery_auth_optional = 67441e9e2be3SAdheer Chandravanshi fnode_param->value[0]; 67451e9e2be3SAdheer Chandravanshi break; 67461e9e2be3SAdheer Chandravanshi case ISCSI_FLASHNODE_ERL: 67471e9e2be3SAdheer Chandravanshi fnode_sess->erl = fnode_param->value[0]; 67481e9e2be3SAdheer Chandravanshi break; 67491e9e2be3SAdheer Chandravanshi case ISCSI_FLASHNODE_TCP_TIMESTAMP_STAT: 67501e9e2be3SAdheer Chandravanshi fnode_conn->tcp_timestamp_stat = fnode_param->value[0]; 67511e9e2be3SAdheer Chandravanshi break; 67521e9e2be3SAdheer Chandravanshi case ISCSI_FLASHNODE_TCP_NAGLE_DISABLE: 67531e9e2be3SAdheer Chandravanshi fnode_conn->tcp_nagle_disable = fnode_param->value[0]; 67541e9e2be3SAdheer Chandravanshi break; 67551e9e2be3SAdheer Chandravanshi case ISCSI_FLASHNODE_TCP_WSF_DISABLE: 67561e9e2be3SAdheer Chandravanshi fnode_conn->tcp_wsf_disable = fnode_param->value[0]; 67571e9e2be3SAdheer Chandravanshi break; 67581e9e2be3SAdheer Chandravanshi case ISCSI_FLASHNODE_TCP_TIMER_SCALE: 67591e9e2be3SAdheer Chandravanshi fnode_conn->tcp_timer_scale = fnode_param->value[0]; 67601e9e2be3SAdheer Chandravanshi break; 67611e9e2be3SAdheer Chandravanshi case ISCSI_FLASHNODE_TCP_TIMESTAMP_EN: 67621e9e2be3SAdheer Chandravanshi fnode_conn->tcp_timestamp_en = fnode_param->value[0]; 67631e9e2be3SAdheer Chandravanshi break; 67641e9e2be3SAdheer Chandravanshi case ISCSI_FLASHNODE_IP_FRAG_DISABLE: 67651e9e2be3SAdheer Chandravanshi fnode_conn->fragment_disable = fnode_param->value[0]; 67661e9e2be3SAdheer Chandravanshi break; 67671e9e2be3SAdheer Chandravanshi case ISCSI_FLASHNODE_MAX_RECV_DLENGTH: 67681e9e2be3SAdheer Chandravanshi fnode_conn->max_recv_dlength = 67691e9e2be3SAdheer Chandravanshi *(unsigned *)fnode_param->value; 67701e9e2be3SAdheer Chandravanshi break; 67711e9e2be3SAdheer Chandravanshi case ISCSI_FLASHNODE_MAX_XMIT_DLENGTH: 67721e9e2be3SAdheer Chandravanshi fnode_conn->max_xmit_dlength = 67731e9e2be3SAdheer Chandravanshi *(unsigned *)fnode_param->value; 67741e9e2be3SAdheer Chandravanshi break; 67751e9e2be3SAdheer Chandravanshi case ISCSI_FLASHNODE_FIRST_BURST: 67761e9e2be3SAdheer Chandravanshi fnode_sess->first_burst = 67771e9e2be3SAdheer Chandravanshi *(unsigned *)fnode_param->value; 67781e9e2be3SAdheer Chandravanshi break; 67791e9e2be3SAdheer Chandravanshi case ISCSI_FLASHNODE_DEF_TIME2WAIT: 67801e9e2be3SAdheer Chandravanshi fnode_sess->time2wait = *(uint16_t *)fnode_param->value; 67811e9e2be3SAdheer Chandravanshi break; 67821e9e2be3SAdheer Chandravanshi case ISCSI_FLASHNODE_DEF_TIME2RETAIN: 67831e9e2be3SAdheer Chandravanshi fnode_sess->time2retain = 67841e9e2be3SAdheer Chandravanshi *(uint16_t *)fnode_param->value; 67851e9e2be3SAdheer Chandravanshi break; 67861e9e2be3SAdheer Chandravanshi case ISCSI_FLASHNODE_MAX_R2T: 67871e9e2be3SAdheer Chandravanshi fnode_sess->max_r2t = 67881e9e2be3SAdheer Chandravanshi *(uint16_t *)fnode_param->value; 67891e9e2be3SAdheer Chandravanshi break; 67901e9e2be3SAdheer Chandravanshi case ISCSI_FLASHNODE_KEEPALIVE_TMO: 67911e9e2be3SAdheer Chandravanshi fnode_conn->keepalive_timeout = 67921e9e2be3SAdheer Chandravanshi *(uint16_t *)fnode_param->value; 67931e9e2be3SAdheer Chandravanshi break; 67941e9e2be3SAdheer Chandravanshi case ISCSI_FLASHNODE_ISID: 67951e9e2be3SAdheer Chandravanshi memcpy(fnode_sess->isid, fnode_param->value, 67961e9e2be3SAdheer Chandravanshi sizeof(fnode_sess->isid)); 67971e9e2be3SAdheer Chandravanshi break; 67981e9e2be3SAdheer Chandravanshi case ISCSI_FLASHNODE_TSID: 67991e9e2be3SAdheer Chandravanshi fnode_sess->tsid = *(uint16_t *)fnode_param->value; 68001e9e2be3SAdheer Chandravanshi break; 68011e9e2be3SAdheer Chandravanshi case ISCSI_FLASHNODE_PORT: 68021e9e2be3SAdheer Chandravanshi fnode_conn->port = *(uint16_t *)fnode_param->value; 68031e9e2be3SAdheer Chandravanshi break; 68041e9e2be3SAdheer Chandravanshi case ISCSI_FLASHNODE_MAX_BURST: 68051e9e2be3SAdheer Chandravanshi fnode_sess->max_burst = *(unsigned *)fnode_param->value; 68061e9e2be3SAdheer Chandravanshi break; 68071e9e2be3SAdheer Chandravanshi case ISCSI_FLASHNODE_DEF_TASKMGMT_TMO: 68081e9e2be3SAdheer Chandravanshi fnode_sess->default_taskmgmt_timeout = 68091e9e2be3SAdheer Chandravanshi *(uint16_t *)fnode_param->value; 68101e9e2be3SAdheer Chandravanshi break; 68111e9e2be3SAdheer Chandravanshi case ISCSI_FLASHNODE_IPADDR: 68121e9e2be3SAdheer Chandravanshi memcpy(fnode_conn->ipaddress, fnode_param->value, 68131e9e2be3SAdheer Chandravanshi IPv6_ADDR_LEN); 68141e9e2be3SAdheer Chandravanshi break; 68151e9e2be3SAdheer Chandravanshi case ISCSI_FLASHNODE_ALIAS: 68161e9e2be3SAdheer Chandravanshi rc = iscsi_switch_str_param(&fnode_sess->targetalias, 68171e9e2be3SAdheer Chandravanshi (char *)fnode_param->value); 68181e9e2be3SAdheer Chandravanshi break; 68191e9e2be3SAdheer Chandravanshi case ISCSI_FLASHNODE_REDIRECT_IPADDR: 68201e9e2be3SAdheer Chandravanshi memcpy(fnode_conn->redirect_ipaddr, fnode_param->value, 68211e9e2be3SAdheer Chandravanshi IPv6_ADDR_LEN); 68221e9e2be3SAdheer Chandravanshi break; 68231e9e2be3SAdheer Chandravanshi case ISCSI_FLASHNODE_MAX_SEGMENT_SIZE: 68241e9e2be3SAdheer Chandravanshi fnode_conn->max_segment_size = 68251e9e2be3SAdheer Chandravanshi *(unsigned *)fnode_param->value; 68261e9e2be3SAdheer Chandravanshi break; 68271e9e2be3SAdheer Chandravanshi case ISCSI_FLASHNODE_LOCAL_PORT: 68281e9e2be3SAdheer Chandravanshi fnode_conn->local_port = 68291e9e2be3SAdheer Chandravanshi *(uint16_t *)fnode_param->value; 68301e9e2be3SAdheer Chandravanshi break; 68311e9e2be3SAdheer Chandravanshi case ISCSI_FLASHNODE_IPV4_TOS: 68321e9e2be3SAdheer Chandravanshi fnode_conn->ipv4_tos = fnode_param->value[0]; 68331e9e2be3SAdheer Chandravanshi break; 68341e9e2be3SAdheer Chandravanshi case ISCSI_FLASHNODE_IPV6_TC: 68351e9e2be3SAdheer Chandravanshi fnode_conn->ipv6_traffic_class = fnode_param->value[0]; 68361e9e2be3SAdheer Chandravanshi break; 68371e9e2be3SAdheer Chandravanshi case ISCSI_FLASHNODE_IPV6_FLOW_LABEL: 68381e9e2be3SAdheer Chandravanshi fnode_conn->ipv6_flow_label = fnode_param->value[0]; 68391e9e2be3SAdheer Chandravanshi break; 68401e9e2be3SAdheer Chandravanshi case ISCSI_FLASHNODE_NAME: 68411e9e2be3SAdheer Chandravanshi rc = iscsi_switch_str_param(&fnode_sess->targetname, 68421e9e2be3SAdheer Chandravanshi (char *)fnode_param->value); 68431e9e2be3SAdheer Chandravanshi break; 68441e9e2be3SAdheer Chandravanshi case ISCSI_FLASHNODE_TPGT: 68451e9e2be3SAdheer Chandravanshi fnode_sess->tpgt = *(uint16_t *)fnode_param->value; 68461e9e2be3SAdheer Chandravanshi break; 68471e9e2be3SAdheer Chandravanshi case ISCSI_FLASHNODE_LINK_LOCAL_IPV6: 68481e9e2be3SAdheer Chandravanshi memcpy(fnode_conn->link_local_ipv6_addr, 68491e9e2be3SAdheer Chandravanshi fnode_param->value, IPv6_ADDR_LEN); 68501e9e2be3SAdheer Chandravanshi break; 685165560166SAdheer Chandravanshi case ISCSI_FLASHNODE_DISCOVERY_PARENT_IDX: 685265560166SAdheer Chandravanshi fnode_sess->discovery_parent_idx = 68531e9e2be3SAdheer Chandravanshi *(uint16_t *)fnode_param->value; 68541e9e2be3SAdheer Chandravanshi break; 68551e9e2be3SAdheer Chandravanshi case ISCSI_FLASHNODE_TCP_XMIT_WSF: 68561e9e2be3SAdheer Chandravanshi fnode_conn->tcp_xmit_wsf = 68571e9e2be3SAdheer Chandravanshi *(uint8_t *)fnode_param->value; 68581e9e2be3SAdheer Chandravanshi break; 68591e9e2be3SAdheer Chandravanshi case ISCSI_FLASHNODE_TCP_RECV_WSF: 68601e9e2be3SAdheer Chandravanshi fnode_conn->tcp_recv_wsf = 68611e9e2be3SAdheer Chandravanshi *(uint8_t *)fnode_param->value; 68621e9e2be3SAdheer Chandravanshi break; 68631e9e2be3SAdheer Chandravanshi case ISCSI_FLASHNODE_STATSN: 68641e9e2be3SAdheer Chandravanshi fnode_conn->statsn = *(uint32_t *)fnode_param->value; 68651e9e2be3SAdheer Chandravanshi break; 68661e9e2be3SAdheer Chandravanshi case ISCSI_FLASHNODE_EXP_STATSN: 68671e9e2be3SAdheer Chandravanshi fnode_conn->exp_statsn = 68681e9e2be3SAdheer Chandravanshi *(uint32_t *)fnode_param->value; 68691e9e2be3SAdheer Chandravanshi break; 68701e9e2be3SAdheer Chandravanshi default: 68711e9e2be3SAdheer Chandravanshi ql4_printk(KERN_ERR, ha, 68721e9e2be3SAdheer Chandravanshi "%s: No such sysfs attribute\n", __func__); 68731e9e2be3SAdheer Chandravanshi rc = -ENOSYS; 68741e9e2be3SAdheer Chandravanshi goto exit_set_param; 68751e9e2be3SAdheer Chandravanshi } 68761e9e2be3SAdheer Chandravanshi } 68771e9e2be3SAdheer Chandravanshi 68781e9e2be3SAdheer Chandravanshi rc = qla4xxx_sysfs_ddb_apply(fnode_sess, fnode_conn); 68791e9e2be3SAdheer Chandravanshi 68801e9e2be3SAdheer Chandravanshi exit_set_param: 68811e9e2be3SAdheer Chandravanshi return rc; 68821e9e2be3SAdheer Chandravanshi } 68831e9e2be3SAdheer Chandravanshi 68841e9e2be3SAdheer Chandravanshi /** 68851e9e2be3SAdheer Chandravanshi * qla4xxx_sysfs_ddb_delete - Delete firmware DDB entry 68861e9e2be3SAdheer Chandravanshi * @fnode_sess: pointer to session attrs of flash ddb entry 68871e9e2be3SAdheer Chandravanshi * 68881e9e2be3SAdheer Chandravanshi * This invalidates the flash ddb entry at the given index 68891e9e2be3SAdheer Chandravanshi **/ 68901e9e2be3SAdheer Chandravanshi static int qla4xxx_sysfs_ddb_delete(struct iscsi_bus_flash_session *fnode_sess) 68911e9e2be3SAdheer Chandravanshi { 68921e9e2be3SAdheer Chandravanshi struct Scsi_Host *shost = iscsi_flash_session_to_shost(fnode_sess); 68931e9e2be3SAdheer Chandravanshi struct scsi_qla_host *ha = to_qla_host(shost); 68941e9e2be3SAdheer Chandravanshi uint32_t dev_db_start_offset; 68951e9e2be3SAdheer Chandravanshi uint32_t dev_db_end_offset; 68961e9e2be3SAdheer Chandravanshi struct dev_db_entry *fw_ddb_entry = NULL; 68971e9e2be3SAdheer Chandravanshi dma_addr_t fw_ddb_entry_dma; 68981e9e2be3SAdheer Chandravanshi uint16_t *ddb_cookie = NULL; 6899b6130ceaSVikas Chaudhary size_t ddb_size = 0; 6900039acc1eSAdheer Chandravanshi void *pddb = NULL; 69011e9e2be3SAdheer Chandravanshi int target_id; 69021e9e2be3SAdheer Chandravanshi int rc = 0; 69031e9e2be3SAdheer Chandravanshi 69041e9e2be3SAdheer Chandravanshi if (fnode_sess->is_boot_target) { 69051e9e2be3SAdheer Chandravanshi rc = -EPERM; 69061e9e2be3SAdheer Chandravanshi DEBUG2(ql4_printk(KERN_ERR, ha, 69071e9e2be3SAdheer Chandravanshi "%s: Deletion of boot target entry is not permitted.\n", 69081e9e2be3SAdheer Chandravanshi __func__)); 69091e9e2be3SAdheer Chandravanshi goto exit_ddb_del; 69101e9e2be3SAdheer Chandravanshi } 69111e9e2be3SAdheer Chandravanshi 69121e9e2be3SAdheer Chandravanshi if (fnode_sess->flash_state == DEV_DB_NON_PERSISTENT) 69131e9e2be3SAdheer Chandravanshi goto sysfs_ddb_del; 69141e9e2be3SAdheer Chandravanshi 69151e9e2be3SAdheer Chandravanshi if (is_qla40XX(ha)) { 69161e9e2be3SAdheer Chandravanshi dev_db_start_offset = FLASH_OFFSET_DB_INFO; 6917039acc1eSAdheer Chandravanshi dev_db_end_offset = FLASH_OFFSET_DB_END; 6918039acc1eSAdheer Chandravanshi dev_db_start_offset += (fnode_sess->target_id * 6919039acc1eSAdheer Chandravanshi sizeof(*fw_ddb_entry)); 6920039acc1eSAdheer Chandravanshi ddb_size = sizeof(*fw_ddb_entry); 69211e9e2be3SAdheer Chandravanshi } else { 69221e9e2be3SAdheer Chandravanshi dev_db_start_offset = FLASH_RAW_ACCESS_ADDR + 69231e9e2be3SAdheer Chandravanshi (ha->hw.flt_region_ddb << 2); 69241e9e2be3SAdheer Chandravanshi /* flt_ddb_size is DDB table size for both ports 69251e9e2be3SAdheer Chandravanshi * so divide it by 2 to calculate the offset for second port 69261e9e2be3SAdheer Chandravanshi */ 69271e9e2be3SAdheer Chandravanshi if (ha->port_num == 1) 69281e9e2be3SAdheer Chandravanshi dev_db_start_offset += (ha->hw.flt_ddb_size / 2); 69291e9e2be3SAdheer Chandravanshi 6930039acc1eSAdheer Chandravanshi dev_db_end_offset = dev_db_start_offset + 6931039acc1eSAdheer Chandravanshi (ha->hw.flt_ddb_size / 2); 6932039acc1eSAdheer Chandravanshi 6933039acc1eSAdheer Chandravanshi dev_db_start_offset += (fnode_sess->target_id * 6934039acc1eSAdheer Chandravanshi sizeof(*fw_ddb_entry)); 69351bcb5619SAdheer Chandravanshi dev_db_start_offset += offsetof(struct dev_db_entry, cookie); 69361e9e2be3SAdheer Chandravanshi 6937039acc1eSAdheer Chandravanshi ddb_size = sizeof(*ddb_cookie); 6938039acc1eSAdheer Chandravanshi } 6939039acc1eSAdheer Chandravanshi 69401e9e2be3SAdheer Chandravanshi DEBUG2(ql4_printk(KERN_ERR, ha, "%s: start offset=%u, end offset=%u\n", 69411e9e2be3SAdheer Chandravanshi __func__, dev_db_start_offset, dev_db_end_offset)); 69421e9e2be3SAdheer Chandravanshi 69431e9e2be3SAdheer Chandravanshi if (dev_db_start_offset > dev_db_end_offset) { 69441e9e2be3SAdheer Chandravanshi rc = -EIO; 69451e9e2be3SAdheer Chandravanshi DEBUG2(ql4_printk(KERN_ERR, ha, "%s:Invalid DDB index %u\n", 69461e9e2be3SAdheer Chandravanshi __func__, fnode_sess->target_id)); 69471e9e2be3SAdheer Chandravanshi goto exit_ddb_del; 69481e9e2be3SAdheer Chandravanshi } 69491e9e2be3SAdheer Chandravanshi 6950039acc1eSAdheer Chandravanshi pddb = dma_alloc_coherent(&ha->pdev->dev, ddb_size, 6951039acc1eSAdheer Chandravanshi &fw_ddb_entry_dma, GFP_KERNEL); 6952039acc1eSAdheer Chandravanshi if (!pddb) { 6953039acc1eSAdheer Chandravanshi rc = -ENOMEM; 6954039acc1eSAdheer Chandravanshi DEBUG2(ql4_printk(KERN_ERR, ha, 6955039acc1eSAdheer Chandravanshi "%s: Unable to allocate dma buffer\n", 6956039acc1eSAdheer Chandravanshi __func__)); 6957039acc1eSAdheer Chandravanshi goto exit_ddb_del; 6958039acc1eSAdheer Chandravanshi } 6959039acc1eSAdheer Chandravanshi 6960039acc1eSAdheer Chandravanshi if (is_qla40XX(ha)) { 6961039acc1eSAdheer Chandravanshi fw_ddb_entry = pddb; 6962039acc1eSAdheer Chandravanshi memset(fw_ddb_entry, 0, ddb_size); 6963039acc1eSAdheer Chandravanshi ddb_cookie = &fw_ddb_entry->cookie; 6964039acc1eSAdheer Chandravanshi } else { 6965039acc1eSAdheer Chandravanshi ddb_cookie = pddb; 6966039acc1eSAdheer Chandravanshi } 6967039acc1eSAdheer Chandravanshi 69681e9e2be3SAdheer Chandravanshi /* invalidate the cookie */ 69691e9e2be3SAdheer Chandravanshi *ddb_cookie = 0xFFEE; 69701e9e2be3SAdheer Chandravanshi qla4xxx_set_flash(ha, fw_ddb_entry_dma, dev_db_start_offset, 6971039acc1eSAdheer Chandravanshi ddb_size, FLASH_OPT_RMW_COMMIT); 69721e9e2be3SAdheer Chandravanshi 69731e9e2be3SAdheer Chandravanshi sysfs_ddb_del: 69741e9e2be3SAdheer Chandravanshi target_id = fnode_sess->target_id; 69751e9e2be3SAdheer Chandravanshi iscsi_destroy_flashnode_sess(fnode_sess); 69761e9e2be3SAdheer Chandravanshi ql4_printk(KERN_INFO, ha, 69771e9e2be3SAdheer Chandravanshi "%s: session and conn entries for flashnode %u of host %lu deleted\n", 69781e9e2be3SAdheer Chandravanshi __func__, target_id, ha->host_no); 69791e9e2be3SAdheer Chandravanshi exit_ddb_del: 6980039acc1eSAdheer Chandravanshi if (pddb) 6981039acc1eSAdheer Chandravanshi dma_free_coherent(&ha->pdev->dev, ddb_size, pddb, 6982039acc1eSAdheer Chandravanshi fw_ddb_entry_dma); 69831e9e2be3SAdheer Chandravanshi return rc; 69841e9e2be3SAdheer Chandravanshi } 69851e9e2be3SAdheer Chandravanshi 69861e9e2be3SAdheer Chandravanshi /** 69871e9e2be3SAdheer Chandravanshi * qla4xxx_sysfs_ddb_export - Create sysfs entries for firmware DDBs 69881e9e2be3SAdheer Chandravanshi * @ha: pointer to adapter structure 69891e9e2be3SAdheer Chandravanshi * 69901e9e2be3SAdheer Chandravanshi * Export the firmware DDB for all send targets and normal targets to sysfs. 69911e9e2be3SAdheer Chandravanshi **/ 69921e9e2be3SAdheer Chandravanshi static int qla4xxx_sysfs_ddb_export(struct scsi_qla_host *ha) 69931e9e2be3SAdheer Chandravanshi { 69941e9e2be3SAdheer Chandravanshi struct dev_db_entry *fw_ddb_entry = NULL; 69951e9e2be3SAdheer Chandravanshi dma_addr_t fw_ddb_entry_dma; 69961e9e2be3SAdheer Chandravanshi uint16_t max_ddbs; 69971e9e2be3SAdheer Chandravanshi uint16_t idx = 0; 69981e9e2be3SAdheer Chandravanshi int ret = QLA_SUCCESS; 69991e9e2be3SAdheer Chandravanshi 70001e9e2be3SAdheer Chandravanshi fw_ddb_entry = dma_alloc_coherent(&ha->pdev->dev, 70011e9e2be3SAdheer Chandravanshi sizeof(*fw_ddb_entry), 70021e9e2be3SAdheer Chandravanshi &fw_ddb_entry_dma, GFP_KERNEL); 70031e9e2be3SAdheer Chandravanshi if (!fw_ddb_entry) { 70041e9e2be3SAdheer Chandravanshi DEBUG2(ql4_printk(KERN_ERR, ha, 70051e9e2be3SAdheer Chandravanshi "%s: Unable to allocate dma buffer\n", 70061e9e2be3SAdheer Chandravanshi __func__)); 70071e9e2be3SAdheer Chandravanshi return -ENOMEM; 70081e9e2be3SAdheer Chandravanshi } 70091e9e2be3SAdheer Chandravanshi 7010a957a7d7SAdheer Chandravanshi max_ddbs = is_qla40XX(ha) ? MAX_PRST_DEV_DB_ENTRIES : 70111e9e2be3SAdheer Chandravanshi MAX_DEV_DB_ENTRIES; 70121e9e2be3SAdheer Chandravanshi 70131e9e2be3SAdheer Chandravanshi for (idx = 0; idx < max_ddbs; idx++) { 70141e9e2be3SAdheer Chandravanshi if (qla4xxx_flashdb_by_index(ha, fw_ddb_entry, fw_ddb_entry_dma, 70151e9e2be3SAdheer Chandravanshi idx)) 70161e9e2be3SAdheer Chandravanshi continue; 70171e9e2be3SAdheer Chandravanshi 70181e9e2be3SAdheer Chandravanshi ret = qla4xxx_sysfs_ddb_tgt_create(ha, fw_ddb_entry, &idx, 0); 70191e9e2be3SAdheer Chandravanshi if (ret) { 70201e9e2be3SAdheer Chandravanshi ret = -EIO; 70211e9e2be3SAdheer Chandravanshi break; 70221e9e2be3SAdheer Chandravanshi } 70231e9e2be3SAdheer Chandravanshi } 70241e9e2be3SAdheer Chandravanshi 70251e9e2be3SAdheer Chandravanshi dma_free_coherent(&ha->pdev->dev, sizeof(*fw_ddb_entry), fw_ddb_entry, 70261e9e2be3SAdheer Chandravanshi fw_ddb_entry_dma); 70271e9e2be3SAdheer Chandravanshi 70281e9e2be3SAdheer Chandravanshi return ret; 70291e9e2be3SAdheer Chandravanshi } 70301e9e2be3SAdheer Chandravanshi 70311e9e2be3SAdheer Chandravanshi static void qla4xxx_sysfs_ddb_remove(struct scsi_qla_host *ha) 70321e9e2be3SAdheer Chandravanshi { 70331e9e2be3SAdheer Chandravanshi iscsi_destroy_all_flashnode(ha->host); 70341e9e2be3SAdheer Chandravanshi } 70351e9e2be3SAdheer Chandravanshi 70364a4bc2e9SLalit Chandivade /** 70374a4bc2e9SLalit Chandivade * qla4xxx_build_ddb_list - Build ddb list and setup sessions 70384a4bc2e9SLalit Chandivade * @ha: pointer to adapter structure 70394a4bc2e9SLalit Chandivade * @is_reset: Is this init path or reset path 70404a4bc2e9SLalit Chandivade * 70414a4bc2e9SLalit Chandivade * Create a list of sendtargets (st) from firmware DDBs, issue send targets 70424a4bc2e9SLalit Chandivade * using connection open, then create the list of normal targets (nt) 70434a4bc2e9SLalit Chandivade * from firmware DDBs. Based on the list of nt setup session and connection 70444a4bc2e9SLalit Chandivade * objects. 70454a4bc2e9SLalit Chandivade **/ 70464a4bc2e9SLalit Chandivade void qla4xxx_build_ddb_list(struct scsi_qla_host *ha, int is_reset) 70474a4bc2e9SLalit Chandivade { 70484a4bc2e9SLalit Chandivade uint16_t tmo = 0; 70494a4bc2e9SLalit Chandivade struct list_head list_st, list_nt; 70504a4bc2e9SLalit Chandivade struct qla_ddb_index *st_ddb_idx, *st_ddb_idx_tmp; 70514a4bc2e9SLalit Chandivade unsigned long wtime; 70524a4bc2e9SLalit Chandivade 70534a4bc2e9SLalit Chandivade if (!test_bit(AF_LINK_UP, &ha->flags)) { 70544a4bc2e9SLalit Chandivade set_bit(AF_BUILD_DDB_LIST, &ha->flags); 70554a4bc2e9SLalit Chandivade ha->is_reset = is_reset; 70564a4bc2e9SLalit Chandivade return; 70574a4bc2e9SLalit Chandivade } 70584a4bc2e9SLalit Chandivade 70594a4bc2e9SLalit Chandivade INIT_LIST_HEAD(&list_st); 70604a4bc2e9SLalit Chandivade INIT_LIST_HEAD(&list_nt); 70614a4bc2e9SLalit Chandivade 70624a4bc2e9SLalit Chandivade qla4xxx_build_st_list(ha, &list_st); 70634a4bc2e9SLalit Chandivade 706413483730SMike Christie /* Before issuing conn open mbox, ensure all IPs states are configured 706513483730SMike Christie * Note, conn open fails if IPs are not configured 706613483730SMike Christie */ 706713483730SMike Christie qla4xxx_wait_for_ip_configuration(ha); 706813483730SMike Christie 706913483730SMike Christie /* Go thru the STs and fire the sendtargets by issuing conn open mbx */ 707013483730SMike Christie list_for_each_entry_safe(st_ddb_idx, st_ddb_idx_tmp, &list_st, list) { 707113483730SMike Christie qla4xxx_conn_open(ha, st_ddb_idx->fw_ddb_idx); 707213483730SMike Christie } 707313483730SMike Christie 707413483730SMike Christie /* Wait to ensure all sendtargets are done for min 12 sec wait */ 7075c28eaacaSNilesh Javali tmo = ((ha->def_timeout > LOGIN_TOV) && 7076c28eaacaSNilesh Javali (ha->def_timeout < LOGIN_TOV * 10) ? 7077c28eaacaSNilesh Javali ha->def_timeout : LOGIN_TOV); 7078c28eaacaSNilesh Javali 707913483730SMike Christie DEBUG2(ql4_printk(KERN_INFO, ha, 708013483730SMike Christie "Default time to wait for build ddb %d\n", tmo)); 708113483730SMike Christie 708213483730SMike Christie wtime = jiffies + (HZ * tmo); 708313483730SMike Christie do { 7084f1f2e60eSNilesh Javali if (list_empty(&list_st)) 7085f1f2e60eSNilesh Javali break; 7086f1f2e60eSNilesh Javali 70874a4bc2e9SLalit Chandivade qla4xxx_remove_failed_ddb(ha, &list_st); 708813483730SMike Christie schedule_timeout_uninterruptible(HZ / 10); 708913483730SMike Christie } while (time_after(wtime, jiffies)); 709013483730SMike Christie 7091ad8bd45eSManish Rangankar 7092ad8bd45eSManish Rangankar qla4xxx_build_nt_list(ha, &list_nt, &list_st, is_reset); 7093ad8bd45eSManish Rangankar 70944a4bc2e9SLalit Chandivade qla4xxx_free_ddb_list(&list_st); 70954a4bc2e9SLalit Chandivade qla4xxx_free_ddb_list(&list_nt); 709613483730SMike Christie 709713483730SMike Christie qla4xxx_free_ddb_index(ha); 709813483730SMike Christie } 709913483730SMike Christie 7100afaf5a2dSDavid Somayajulu /** 71011dc8ed5dSManish Rangankar * qla4xxx_wait_login_resp_boot_tgt - Wait for iSCSI boot target login 71021dc8ed5dSManish Rangankar * response. 71031dc8ed5dSManish Rangankar * @ha: pointer to adapter structure 71041dc8ed5dSManish Rangankar * 71051dc8ed5dSManish Rangankar * When the boot entry is normal iSCSI target then DF_BOOT_TGT flag will be 71061dc8ed5dSManish Rangankar * set in DDB and we will wait for login response of boot targets during 71071dc8ed5dSManish Rangankar * probe. 71081dc8ed5dSManish Rangankar **/ 71091dc8ed5dSManish Rangankar static void qla4xxx_wait_login_resp_boot_tgt(struct scsi_qla_host *ha) 71101dc8ed5dSManish Rangankar { 71111dc8ed5dSManish Rangankar struct ddb_entry *ddb_entry; 71121dc8ed5dSManish Rangankar struct dev_db_entry *fw_ddb_entry = NULL; 71131dc8ed5dSManish Rangankar dma_addr_t fw_ddb_entry_dma; 71141dc8ed5dSManish Rangankar unsigned long wtime; 71151dc8ed5dSManish Rangankar uint32_t ddb_state; 71161dc8ed5dSManish Rangankar int max_ddbs, idx, ret; 71171dc8ed5dSManish Rangankar 71181dc8ed5dSManish Rangankar max_ddbs = is_qla40XX(ha) ? MAX_DEV_DB_ENTRIES_40XX : 71191dc8ed5dSManish Rangankar MAX_DEV_DB_ENTRIES; 71201dc8ed5dSManish Rangankar 71211dc8ed5dSManish Rangankar fw_ddb_entry = dma_alloc_coherent(&ha->pdev->dev, sizeof(*fw_ddb_entry), 71221dc8ed5dSManish Rangankar &fw_ddb_entry_dma, GFP_KERNEL); 71231dc8ed5dSManish Rangankar if (!fw_ddb_entry) { 71241dc8ed5dSManish Rangankar ql4_printk(KERN_ERR, ha, 71251dc8ed5dSManish Rangankar "%s: Unable to allocate dma buffer\n", __func__); 71261dc8ed5dSManish Rangankar goto exit_login_resp; 71271dc8ed5dSManish Rangankar } 71281dc8ed5dSManish Rangankar 71291dc8ed5dSManish Rangankar wtime = jiffies + (HZ * BOOT_LOGIN_RESP_TOV); 71301dc8ed5dSManish Rangankar 71311dc8ed5dSManish Rangankar for (idx = 0; idx < max_ddbs; idx++) { 71321dc8ed5dSManish Rangankar ddb_entry = qla4xxx_lookup_ddb_by_fw_index(ha, idx); 71331dc8ed5dSManish Rangankar if (ddb_entry == NULL) 71341dc8ed5dSManish Rangankar continue; 71351dc8ed5dSManish Rangankar 71361dc8ed5dSManish Rangankar if (test_bit(DF_BOOT_TGT, &ddb_entry->flags)) { 71371dc8ed5dSManish Rangankar DEBUG2(ql4_printk(KERN_INFO, ha, 71381dc8ed5dSManish Rangankar "%s: DDB index [%d]\n", __func__, 71391dc8ed5dSManish Rangankar ddb_entry->fw_ddb_index)); 71401dc8ed5dSManish Rangankar do { 71411dc8ed5dSManish Rangankar ret = qla4xxx_get_fwddb_entry(ha, 71421dc8ed5dSManish Rangankar ddb_entry->fw_ddb_index, 71431dc8ed5dSManish Rangankar fw_ddb_entry, fw_ddb_entry_dma, 71441dc8ed5dSManish Rangankar NULL, NULL, &ddb_state, NULL, 71451dc8ed5dSManish Rangankar NULL, NULL); 71461dc8ed5dSManish Rangankar if (ret == QLA_ERROR) 71471dc8ed5dSManish Rangankar goto exit_login_resp; 71481dc8ed5dSManish Rangankar 71491dc8ed5dSManish Rangankar if ((ddb_state == DDB_DS_SESSION_ACTIVE) || 71501dc8ed5dSManish Rangankar (ddb_state == DDB_DS_SESSION_FAILED)) 71511dc8ed5dSManish Rangankar break; 71521dc8ed5dSManish Rangankar 71531dc8ed5dSManish Rangankar schedule_timeout_uninterruptible(HZ); 71541dc8ed5dSManish Rangankar 71551dc8ed5dSManish Rangankar } while ((time_after(wtime, jiffies))); 71561dc8ed5dSManish Rangankar 71571dc8ed5dSManish Rangankar if (!time_after(wtime, jiffies)) { 71581dc8ed5dSManish Rangankar DEBUG2(ql4_printk(KERN_INFO, ha, 71591dc8ed5dSManish Rangankar "%s: Login response wait timer expired\n", 71601dc8ed5dSManish Rangankar __func__)); 71611dc8ed5dSManish Rangankar goto exit_login_resp; 71621dc8ed5dSManish Rangankar } 71631dc8ed5dSManish Rangankar } 71641dc8ed5dSManish Rangankar } 71651dc8ed5dSManish Rangankar 71661dc8ed5dSManish Rangankar exit_login_resp: 71671dc8ed5dSManish Rangankar if (fw_ddb_entry) 71681dc8ed5dSManish Rangankar dma_free_coherent(&ha->pdev->dev, sizeof(*fw_ddb_entry), 71691dc8ed5dSManish Rangankar fw_ddb_entry, fw_ddb_entry_dma); 71701dc8ed5dSManish Rangankar } 71711dc8ed5dSManish Rangankar 71721dc8ed5dSManish Rangankar /** 7173afaf5a2dSDavid Somayajulu * qla4xxx_probe_adapter - callback function to probe HBA 7174afaf5a2dSDavid Somayajulu * @pdev: pointer to pci_dev structure 7175afaf5a2dSDavid Somayajulu * @pci_device_id: pointer to pci_device entry 7176afaf5a2dSDavid Somayajulu * 7177afaf5a2dSDavid Somayajulu * This routine will probe for Qlogic 4xxx iSCSI host adapters. 7178afaf5a2dSDavid Somayajulu * It returns zero if successful. It also initializes all data necessary for 7179afaf5a2dSDavid Somayajulu * the driver. 7180afaf5a2dSDavid Somayajulu **/ 71816f039790SGreg Kroah-Hartman static int qla4xxx_probe_adapter(struct pci_dev *pdev, 7182afaf5a2dSDavid Somayajulu const struct pci_device_id *ent) 7183afaf5a2dSDavid Somayajulu { 7184afaf5a2dSDavid Somayajulu int ret = -ENODEV, status; 7185afaf5a2dSDavid Somayajulu struct Scsi_Host *host; 7186afaf5a2dSDavid Somayajulu struct scsi_qla_host *ha; 7187afaf5a2dSDavid Somayajulu uint8_t init_retry_count = 0; 7188afaf5a2dSDavid Somayajulu char buf[34]; 7189f4f5df23SVikas Chaudhary struct qla4_8xxx_legacy_intr_set *nx_legacy_intr; 7190f9880e76SPrasanna Mumbai uint32_t dev_state; 7191afaf5a2dSDavid Somayajulu 7192afaf5a2dSDavid Somayajulu if (pci_enable_device(pdev)) 7193afaf5a2dSDavid Somayajulu return -1; 7194afaf5a2dSDavid Somayajulu 7195b3a271a9SManish Rangankar host = iscsi_host_alloc(&qla4xxx_driver_template, sizeof(*ha), 0); 7196afaf5a2dSDavid Somayajulu if (host == NULL) { 7197afaf5a2dSDavid Somayajulu printk(KERN_WARNING 7198afaf5a2dSDavid Somayajulu "qla4xxx: Couldn't allocate host from scsi layer!\n"); 7199afaf5a2dSDavid Somayajulu goto probe_disable_device; 7200afaf5a2dSDavid Somayajulu } 7201afaf5a2dSDavid Somayajulu 7202afaf5a2dSDavid Somayajulu /* Clear our data area */ 7203b3a271a9SManish Rangankar ha = to_qla_host(host); 7204afaf5a2dSDavid Somayajulu memset(ha, 0, sizeof(*ha)); 7205afaf5a2dSDavid Somayajulu 7206afaf5a2dSDavid Somayajulu /* Save the information from PCI BIOS. */ 7207afaf5a2dSDavid Somayajulu ha->pdev = pdev; 7208afaf5a2dSDavid Somayajulu ha->host = host; 7209afaf5a2dSDavid Somayajulu ha->host_no = host->host_no; 72106e7b4292SVikas Chaudhary ha->func_num = PCI_FUNC(ha->pdev->devfn); 7211afaf5a2dSDavid Somayajulu 72122232be0dSLalit Chandivade pci_enable_pcie_error_reporting(pdev); 72132232be0dSLalit Chandivade 7214f4f5df23SVikas Chaudhary /* Setup Runtime configurable options */ 7215f4f5df23SVikas Chaudhary if (is_qla8022(ha)) { 72167664a1fdSVikas Chaudhary ha->isp_ops = &qla4_82xx_isp_ops; 721733693c7aSVikas Chaudhary ha->reg_tbl = (uint32_t *) qla4_82xx_reg_tbl; 7218f4f5df23SVikas Chaudhary ha->qdr_sn_window = -1; 7219f4f5df23SVikas Chaudhary ha->ddr_mn_window = -1; 7220f4f5df23SVikas Chaudhary ha->curr_window = 255; 7221f4f5df23SVikas Chaudhary nx_legacy_intr = &legacy_intr[ha->func_num]; 7222f4f5df23SVikas Chaudhary ha->nx_legacy_intr.int_vec_bit = nx_legacy_intr->int_vec_bit; 7223f4f5df23SVikas Chaudhary ha->nx_legacy_intr.tgt_status_reg = 7224f4f5df23SVikas Chaudhary nx_legacy_intr->tgt_status_reg; 7225f4f5df23SVikas Chaudhary ha->nx_legacy_intr.tgt_mask_reg = nx_legacy_intr->tgt_mask_reg; 7226f4f5df23SVikas Chaudhary ha->nx_legacy_intr.pci_int_reg = nx_legacy_intr->pci_int_reg; 7227b37ca418SVikas Chaudhary } else if (is_qla8032(ha) || is_qla8042(ha)) { 72286e7b4292SVikas Chaudhary ha->isp_ops = &qla4_83xx_isp_ops; 72296e7b4292SVikas Chaudhary ha->reg_tbl = (uint32_t *)qla4_83xx_reg_tbl; 7230f4f5df23SVikas Chaudhary } else { 7231f4f5df23SVikas Chaudhary ha->isp_ops = &qla4xxx_isp_ops; 7232f4f5df23SVikas Chaudhary } 7233f4f5df23SVikas Chaudhary 72346e7b4292SVikas Chaudhary if (is_qla80XX(ha)) { 72356e7b4292SVikas Chaudhary rwlock_init(&ha->hw_lock); 72366e7b4292SVikas Chaudhary ha->pf_bit = ha->func_num << 16; 72372232be0dSLalit Chandivade /* Set EEH reset type to fundamental if required by hba */ 72382232be0dSLalit Chandivade pdev->needs_freset = 1; 72396e7b4292SVikas Chaudhary } 72402232be0dSLalit Chandivade 7241afaf5a2dSDavid Somayajulu /* Configure PCI I/O space. */ 7242f4f5df23SVikas Chaudhary ret = ha->isp_ops->iospace_config(ha); 7243afaf5a2dSDavid Somayajulu if (ret) 7244f4f5df23SVikas Chaudhary goto probe_failed_ioconfig; 7245afaf5a2dSDavid Somayajulu 7246c2660df3SVikas Chaudhary ql4_printk(KERN_INFO, ha, "Found an ISP%04x, irq %d, iobase 0x%p\n", 7247afaf5a2dSDavid Somayajulu pdev->device, pdev->irq, ha->reg); 7248afaf5a2dSDavid Somayajulu 7249afaf5a2dSDavid Somayajulu qla4xxx_config_dma_addressing(ha); 7250afaf5a2dSDavid Somayajulu 7251afaf5a2dSDavid Somayajulu /* Initialize lists and spinlocks. */ 7252afaf5a2dSDavid Somayajulu INIT_LIST_HEAD(&ha->free_srb_q); 7253afaf5a2dSDavid Somayajulu 7254afaf5a2dSDavid Somayajulu mutex_init(&ha->mbox_sem); 72554549415aSLalit Chandivade mutex_init(&ha->chap_sem); 7256f4f5df23SVikas Chaudhary init_completion(&ha->mbx_intr_comp); 725795d31262SVikas Chaudhary init_completion(&ha->disable_acb_comp); 7258afaf5a2dSDavid Somayajulu 7259afaf5a2dSDavid Somayajulu spin_lock_init(&ha->hardware_lock); 72608e9157c8SVikas Chaudhary spin_lock_init(&ha->work_lock); 7261afaf5a2dSDavid Somayajulu 7262ff884430SVikas Chaudhary /* Initialize work list */ 7263ff884430SVikas Chaudhary INIT_LIST_HEAD(&ha->work_list); 7264ff884430SVikas Chaudhary 7265afaf5a2dSDavid Somayajulu /* Allocate dma buffers */ 7266afaf5a2dSDavid Somayajulu if (qla4xxx_mem_alloc(ha)) { 7267c2660df3SVikas Chaudhary ql4_printk(KERN_WARNING, ha, 7268afaf5a2dSDavid Somayajulu "[ERROR] Failed to allocate memory for adapter\n"); 7269afaf5a2dSDavid Somayajulu 7270afaf5a2dSDavid Somayajulu ret = -ENOMEM; 7271afaf5a2dSDavid Somayajulu goto probe_failed; 7272afaf5a2dSDavid Somayajulu } 7273afaf5a2dSDavid Somayajulu 7274b3a271a9SManish Rangankar host->cmd_per_lun = 3; 7275b3a271a9SManish Rangankar host->max_channel = 0; 7276b3a271a9SManish Rangankar host->max_lun = MAX_LUNS - 1; 7277b3a271a9SManish Rangankar host->max_id = MAX_TARGETS; 7278b3a271a9SManish Rangankar host->max_cmd_len = IOCB_MAX_CDB_LEN; 7279b3a271a9SManish Rangankar host->can_queue = MAX_SRBS ; 7280b3a271a9SManish Rangankar host->transportt = qla4xxx_scsi_transport; 7281b3a271a9SManish Rangankar 7282b3a271a9SManish Rangankar ret = scsi_init_shared_tag_map(host, MAX_SRBS); 7283b3a271a9SManish Rangankar if (ret) { 7284b3a271a9SManish Rangankar ql4_printk(KERN_WARNING, ha, 7285b3a271a9SManish Rangankar "%s: scsi_init_shared_tag_map failed\n", __func__); 7286b3a271a9SManish Rangankar goto probe_failed; 7287b3a271a9SManish Rangankar } 7288b3a271a9SManish Rangankar 7289b3a271a9SManish Rangankar pci_set_drvdata(pdev, ha); 7290b3a271a9SManish Rangankar 7291b3a271a9SManish Rangankar ret = scsi_add_host(host, &pdev->dev); 7292b3a271a9SManish Rangankar if (ret) 7293b3a271a9SManish Rangankar goto probe_failed; 7294b3a271a9SManish Rangankar 72956e7b4292SVikas Chaudhary if (is_qla80XX(ha)) 72966e7b4292SVikas Chaudhary qla4_8xxx_get_flash_info(ha); 72976e7b4292SVikas Chaudhary 7298b37ca418SVikas Chaudhary if (is_qla8032(ha) || is_qla8042(ha)) { 72996e7b4292SVikas Chaudhary qla4_83xx_read_reset_template(ha); 73006e7b4292SVikas Chaudhary /* 73016e7b4292SVikas Chaudhary * NOTE: If ql4dontresethba==1, set IDC_CTRL DONTRESET_BIT0. 73026e7b4292SVikas Chaudhary * If DONRESET_BIT0 is set, drivers should not set dev_state 73036e7b4292SVikas Chaudhary * to NEED_RESET. But if NEED_RESET is set, drivers should 73046e7b4292SVikas Chaudhary * should honor the reset. 73056e7b4292SVikas Chaudhary */ 73066e7b4292SVikas Chaudhary if (ql4xdontresethba == 1) 73076e7b4292SVikas Chaudhary qla4_83xx_set_idc_dontreset(ha); 73086e7b4292SVikas Chaudhary } 7309f4f5df23SVikas Chaudhary 7310afaf5a2dSDavid Somayajulu /* 7311afaf5a2dSDavid Somayajulu * Initialize the Host adapter request/response queues and 7312afaf5a2dSDavid Somayajulu * firmware 7313afaf5a2dSDavid Somayajulu * NOTE: interrupts enabled upon successful completion 7314afaf5a2dSDavid Somayajulu */ 731513483730SMike Christie status = qla4xxx_initialize_adapter(ha, INIT_ADAPTER); 73167977f825SPoornima Vonti 73177977f825SPoornima Vonti /* Dont retry adapter initialization if IRQ allocation failed */ 731817801c96SNilesh Javali if (is_qla80XX(ha) && !test_bit(AF_IRQ_ATTACHED, &ha->flags)) { 731917801c96SNilesh Javali ql4_printk(KERN_WARNING, ha, "%s: Skipping retry of adapter initialization\n", 732017801c96SNilesh Javali __func__); 73217977f825SPoornima Vonti goto skip_retry_init; 732217801c96SNilesh Javali } 73237977f825SPoornima Vonti 7324f4f5df23SVikas Chaudhary while ((!test_bit(AF_ONLINE, &ha->flags)) && 7325f4f5df23SVikas Chaudhary init_retry_count++ < MAX_INIT_RETRIES) { 7326f9880e76SPrasanna Mumbai 73276e7b4292SVikas Chaudhary if (is_qla80XX(ha)) { 732833693c7aSVikas Chaudhary ha->isp_ops->idc_lock(ha); 732933693c7aSVikas Chaudhary dev_state = qla4_8xxx_rd_direct(ha, 7330e951aca1SVikas Chaudhary QLA8XXX_CRB_DEV_STATE); 733133693c7aSVikas Chaudhary ha->isp_ops->idc_unlock(ha); 7332de8c72daSVikas Chaudhary if (dev_state == QLA8XXX_DEV_FAILED) { 7333f9880e76SPrasanna Mumbai ql4_printk(KERN_WARNING, ha, "%s: don't retry " 7334f9880e76SPrasanna Mumbai "initialize adapter. H/W is in failed state\n", 7335f9880e76SPrasanna Mumbai __func__); 7336f9880e76SPrasanna Mumbai break; 7337f9880e76SPrasanna Mumbai } 7338f9880e76SPrasanna Mumbai } 7339afaf5a2dSDavid Somayajulu DEBUG2(printk("scsi: %s: retrying adapter initialization " 7340afaf5a2dSDavid Somayajulu "(%d)\n", __func__, init_retry_count)); 7341f4f5df23SVikas Chaudhary 7342f4f5df23SVikas Chaudhary if (ha->isp_ops->reset_chip(ha) == QLA_ERROR) 7343f4f5df23SVikas Chaudhary continue; 7344f4f5df23SVikas Chaudhary 734513483730SMike Christie status = qla4xxx_initialize_adapter(ha, INIT_ADAPTER); 7346afaf5a2dSDavid Somayajulu } 7347f4f5df23SVikas Chaudhary 73487977f825SPoornima Vonti skip_retry_init: 7349f4f5df23SVikas Chaudhary if (!test_bit(AF_ONLINE, &ha->flags)) { 7350c2660df3SVikas Chaudhary ql4_printk(KERN_WARNING, ha, "Failed to initialize adapter\n"); 7351afaf5a2dSDavid Somayajulu 73526e7b4292SVikas Chaudhary if ((is_qla8022(ha) && ql4xdontresethba) || 7353b37ca418SVikas Chaudhary ((is_qla8032(ha) || is_qla8042(ha)) && 7354b37ca418SVikas Chaudhary qla4_83xx_idc_dontreset(ha))) { 7355fe998527SLalit Chandivade /* Put the device in failed state. */ 7356fe998527SLalit Chandivade DEBUG2(printk(KERN_ERR "HW STATE: FAILED\n")); 735733693c7aSVikas Chaudhary ha->isp_ops->idc_lock(ha); 735833693c7aSVikas Chaudhary qla4_8xxx_wr_direct(ha, QLA8XXX_CRB_DEV_STATE, 7359de8c72daSVikas Chaudhary QLA8XXX_DEV_FAILED); 736033693c7aSVikas Chaudhary ha->isp_ops->idc_unlock(ha); 7361fe998527SLalit Chandivade } 7362afaf5a2dSDavid Somayajulu ret = -ENODEV; 7363b3a271a9SManish Rangankar goto remove_host; 7364afaf5a2dSDavid Somayajulu } 7365afaf5a2dSDavid Somayajulu 7366afaf5a2dSDavid Somayajulu /* Startup the kernel thread for this host adapter. */ 7367afaf5a2dSDavid Somayajulu DEBUG2(printk("scsi: %s: Starting kernel thread for " 7368afaf5a2dSDavid Somayajulu "qla4xxx_dpc\n", __func__)); 7369afaf5a2dSDavid Somayajulu sprintf(buf, "qla4xxx_%lu_dpc", ha->host_no); 7370afaf5a2dSDavid Somayajulu ha->dpc_thread = create_singlethread_workqueue(buf); 7371afaf5a2dSDavid Somayajulu if (!ha->dpc_thread) { 7372c2660df3SVikas Chaudhary ql4_printk(KERN_WARNING, ha, "Unable to start DPC thread!\n"); 7373afaf5a2dSDavid Somayajulu ret = -ENODEV; 7374b3a271a9SManish Rangankar goto remove_host; 7375afaf5a2dSDavid Somayajulu } 7376c4028958SDavid Howells INIT_WORK(&ha->dpc_work, qla4xxx_do_dpc); 7377afaf5a2dSDavid Somayajulu 7378d8537548SKees Cook ha->task_wq = alloc_workqueue("qla4xxx_%lu_task", WQ_MEM_RECLAIM, 1, 7379d8537548SKees Cook ha->host_no); 7380b3a271a9SManish Rangankar if (!ha->task_wq) { 7381b3a271a9SManish Rangankar ql4_printk(KERN_WARNING, ha, "Unable to start task thread!\n"); 7382b3a271a9SManish Rangankar ret = -ENODEV; 7383b3a271a9SManish Rangankar goto remove_host; 7384b3a271a9SManish Rangankar } 7385b3a271a9SManish Rangankar 73866e7b4292SVikas Chaudhary /* 73876e7b4292SVikas Chaudhary * For ISP-8XXX, request_irqs is called in qla4_8xxx_load_risc 7388f4f5df23SVikas Chaudhary * (which is called indirectly by qla4xxx_initialize_adapter), 7389f4f5df23SVikas Chaudhary * so that irqs will be registered after crbinit but before 7390f4f5df23SVikas Chaudhary * mbx_intr_enable. 7391f4f5df23SVikas Chaudhary */ 7392ee996a69SVikas Chaudhary if (is_qla40XX(ha)) { 7393f4f5df23SVikas Chaudhary ret = qla4xxx_request_irqs(ha); 7394afaf5a2dSDavid Somayajulu if (ret) { 7395f4f5df23SVikas Chaudhary ql4_printk(KERN_WARNING, ha, "Failed to reserve " 7396f4f5df23SVikas Chaudhary "interrupt %d already in use.\n", pdev->irq); 7397b3a271a9SManish Rangankar goto remove_host; 7398afaf5a2dSDavid Somayajulu } 7399f4f5df23SVikas Chaudhary } 7400afaf5a2dSDavid Somayajulu 74012232be0dSLalit Chandivade pci_save_state(ha->pdev); 7402f4f5df23SVikas Chaudhary ha->isp_ops->enable_intrs(ha); 7403afaf5a2dSDavid Somayajulu 7404afaf5a2dSDavid Somayajulu /* Start timer thread. */ 7405afaf5a2dSDavid Somayajulu qla4xxx_start_timer(ha, qla4xxx_timer, 1); 7406afaf5a2dSDavid Somayajulu 7407afaf5a2dSDavid Somayajulu set_bit(AF_INIT_DONE, &ha->flags); 7408afaf5a2dSDavid Somayajulu 7409068237c8STej Parkash qla4_8xxx_alloc_sysfs_attr(ha); 7410068237c8STej Parkash 7411afaf5a2dSDavid Somayajulu printk(KERN_INFO 7412afaf5a2dSDavid Somayajulu " QLogic iSCSI HBA Driver version: %s\n" 7413afaf5a2dSDavid Somayajulu " QLogic ISP%04x @ %s, host#=%ld, fw=%02d.%02d.%02d.%02d\n", 7414afaf5a2dSDavid Somayajulu qla4xxx_version_str, ha->pdev->device, pci_name(ha->pdev), 7415eee06a0fSAdheer Chandravanshi ha->host_no, ha->fw_info.fw_major, ha->fw_info.fw_minor, 7416eee06a0fSAdheer Chandravanshi ha->fw_info.fw_patch, ha->fw_info.fw_build); 7417ed1086e0SVikas Chaudhary 7418cfb27874SManish Dusane /* Set the driver version */ 7419cfb27874SManish Dusane if (is_qla80XX(ha)) 7420cfb27874SManish Dusane qla4_8xxx_set_param(ha, SET_DRVR_VERSION); 7421cfb27874SManish Dusane 74222a991c21SManish Rangankar if (qla4xxx_setup_boot_info(ha)) 74233573bfb2SVikas Chaudhary ql4_printk(KERN_ERR, ha, 74243573bfb2SVikas Chaudhary "%s: No iSCSI boot target configured\n", __func__); 74252a991c21SManish Rangankar 74261e9e2be3SAdheer Chandravanshi if (qla4xxx_sysfs_ddb_export(ha)) 74271e9e2be3SAdheer Chandravanshi ql4_printk(KERN_ERR, ha, 74281e9e2be3SAdheer Chandravanshi "%s: Error exporting ddb to sysfs\n", __func__); 74291e9e2be3SAdheer Chandravanshi 743013483730SMike Christie /* Perform the build ddb list and login to each */ 743113483730SMike Christie qla4xxx_build_ddb_list(ha, INIT_ADAPTER); 743213483730SMike Christie iscsi_host_for_each_session(ha->host, qla4xxx_login_flash_ddb); 74331dc8ed5dSManish Rangankar qla4xxx_wait_login_resp_boot_tgt(ha); 743413483730SMike Christie 743513483730SMike Christie qla4xxx_create_chap_list(ha); 743613483730SMike Christie 7437ed1086e0SVikas Chaudhary qla4xxx_create_ifaces(ha); 7438afaf5a2dSDavid Somayajulu return 0; 7439afaf5a2dSDavid Somayajulu 7440b3a271a9SManish Rangankar remove_host: 7441b3a271a9SManish Rangankar scsi_remove_host(ha->host); 7442b3a271a9SManish Rangankar 7443afaf5a2dSDavid Somayajulu probe_failed: 7444afaf5a2dSDavid Somayajulu qla4xxx_free_adapter(ha); 7445f4f5df23SVikas Chaudhary 7446f4f5df23SVikas Chaudhary probe_failed_ioconfig: 74472232be0dSLalit Chandivade pci_disable_pcie_error_reporting(pdev); 7448afaf5a2dSDavid Somayajulu scsi_host_put(ha->host); 7449afaf5a2dSDavid Somayajulu 7450afaf5a2dSDavid Somayajulu probe_disable_device: 7451afaf5a2dSDavid Somayajulu pci_disable_device(pdev); 7452afaf5a2dSDavid Somayajulu 7453afaf5a2dSDavid Somayajulu return ret; 7454afaf5a2dSDavid Somayajulu } 7455afaf5a2dSDavid Somayajulu 7456afaf5a2dSDavid Somayajulu /** 74577eece5a0SKaren Higgins * qla4xxx_prevent_other_port_reinit - prevent other port from re-initialize 74587eece5a0SKaren Higgins * @ha: pointer to adapter structure 74597eece5a0SKaren Higgins * 74607eece5a0SKaren Higgins * Mark the other ISP-4xxx port to indicate that the driver is being removed, 74617eece5a0SKaren Higgins * so that the other port will not re-initialize while in the process of 74627eece5a0SKaren Higgins * removing the ha due to driver unload or hba hotplug. 74637eece5a0SKaren Higgins **/ 74647eece5a0SKaren Higgins static void qla4xxx_prevent_other_port_reinit(struct scsi_qla_host *ha) 74657eece5a0SKaren Higgins { 74667eece5a0SKaren Higgins struct scsi_qla_host *other_ha = NULL; 74677eece5a0SKaren Higgins struct pci_dev *other_pdev = NULL; 74687eece5a0SKaren Higgins int fn = ISP4XXX_PCI_FN_2; 74697eece5a0SKaren Higgins 74707eece5a0SKaren Higgins /*iscsi function numbers for ISP4xxx is 1 and 3*/ 74717eece5a0SKaren Higgins if (PCI_FUNC(ha->pdev->devfn) & BIT_1) 74727eece5a0SKaren Higgins fn = ISP4XXX_PCI_FN_1; 74737eece5a0SKaren Higgins 74747eece5a0SKaren Higgins other_pdev = 74757eece5a0SKaren Higgins pci_get_domain_bus_and_slot(pci_domain_nr(ha->pdev->bus), 74767eece5a0SKaren Higgins ha->pdev->bus->number, PCI_DEVFN(PCI_SLOT(ha->pdev->devfn), 74777eece5a0SKaren Higgins fn)); 74787eece5a0SKaren Higgins 74797eece5a0SKaren Higgins /* Get other_ha if other_pdev is valid and state is enable*/ 74807eece5a0SKaren Higgins if (other_pdev) { 74817eece5a0SKaren Higgins if (atomic_read(&other_pdev->enable_cnt)) { 74827eece5a0SKaren Higgins other_ha = pci_get_drvdata(other_pdev); 74837eece5a0SKaren Higgins if (other_ha) { 74847eece5a0SKaren Higgins set_bit(AF_HA_REMOVAL, &other_ha->flags); 74857eece5a0SKaren Higgins DEBUG2(ql4_printk(KERN_INFO, ha, "%s: " 74867eece5a0SKaren Higgins "Prevent %s reinit\n", __func__, 74877eece5a0SKaren Higgins dev_name(&other_ha->pdev->dev))); 74887eece5a0SKaren Higgins } 74897eece5a0SKaren Higgins } 74907eece5a0SKaren Higgins pci_dev_put(other_pdev); 74917eece5a0SKaren Higgins } 74927eece5a0SKaren Higgins } 74937eece5a0SKaren Higgins 749413483730SMike Christie static void qla4xxx_destroy_fw_ddb_session(struct scsi_qla_host *ha) 749513483730SMike Christie { 749613483730SMike Christie struct ddb_entry *ddb_entry; 749713483730SMike Christie int options; 749813483730SMike Christie int idx; 749913483730SMike Christie 750013483730SMike Christie for (idx = 0; idx < MAX_DDB_ENTRIES; idx++) { 750113483730SMike Christie 750213483730SMike Christie ddb_entry = qla4xxx_lookup_ddb_by_fw_index(ha, idx); 750313483730SMike Christie if ((ddb_entry != NULL) && 750413483730SMike Christie (ddb_entry->ddb_type == FLASH_DDB)) { 750513483730SMike Christie 750613483730SMike Christie options = LOGOUT_OPTION_CLOSE_SESSION; 750713483730SMike Christie if (qla4xxx_session_logout_ddb(ha, ddb_entry, options) 750813483730SMike Christie == QLA_ERROR) 750913483730SMike Christie ql4_printk(KERN_ERR, ha, "%s: Logout failed\n", 751013483730SMike Christie __func__); 751113483730SMike Christie 751213483730SMike Christie qla4xxx_clear_ddb_entry(ha, ddb_entry->fw_ddb_index); 751313483730SMike Christie /* 751413483730SMike Christie * we have decremented the reference count of the driver 751513483730SMike Christie * when we setup the session to have the driver unload 751613483730SMike Christie * to be seamless without actually destroying the 751713483730SMike Christie * session 751813483730SMike Christie **/ 751913483730SMike Christie try_module_get(qla4xxx_iscsi_transport.owner); 752013483730SMike Christie iscsi_destroy_endpoint(ddb_entry->conn->ep); 752113483730SMike Christie qla4xxx_free_ddb(ha, ddb_entry); 752213483730SMike Christie iscsi_session_teardown(ddb_entry->sess); 752313483730SMike Christie } 752413483730SMike Christie } 752513483730SMike Christie } 75267eece5a0SKaren Higgins /** 752759e13d48SMasanari Iida * qla4xxx_remove_adapter - callback function to remove adapter. 7528afaf5a2dSDavid Somayajulu * @pci_dev: PCI device pointer 7529afaf5a2dSDavid Somayajulu **/ 75306f039790SGreg Kroah-Hartman static void qla4xxx_remove_adapter(struct pci_dev *pdev) 7531afaf5a2dSDavid Somayajulu { 7532afaf5a2dSDavid Somayajulu struct scsi_qla_host *ha; 7533afaf5a2dSDavid Somayajulu 7534f8b0751dSVikas Chaudhary /* 7535f8b0751dSVikas Chaudhary * If the PCI device is disabled then it means probe_adapter had 7536f8b0751dSVikas Chaudhary * failed and resources already cleaned up on probe_adapter exit. 7537f8b0751dSVikas Chaudhary */ 7538f8b0751dSVikas Chaudhary if (!pci_is_enabled(pdev)) 7539f8b0751dSVikas Chaudhary return; 7540f8b0751dSVikas Chaudhary 7541afaf5a2dSDavid Somayajulu ha = pci_get_drvdata(pdev); 7542afaf5a2dSDavid Somayajulu 7543ee996a69SVikas Chaudhary if (is_qla40XX(ha)) 75447eece5a0SKaren Higgins qla4xxx_prevent_other_port_reinit(ha); 7545bee4fe8eSDavid C Somayajulu 7546ed1086e0SVikas Chaudhary /* destroy iface from sysfs */ 7547ed1086e0SVikas Chaudhary qla4xxx_destroy_ifaces(ha); 7548ed1086e0SVikas Chaudhary 754913483730SMike Christie if ((!ql4xdisablesysfsboot) && ha->boot_kset) 75502a991c21SManish Rangankar iscsi_boot_destroy_kset(ha->boot_kset); 75512a991c21SManish Rangankar 755213483730SMike Christie qla4xxx_destroy_fw_ddb_session(ha); 7553068237c8STej Parkash qla4_8xxx_free_sysfs_attr(ha); 755413483730SMike Christie 75551e9e2be3SAdheer Chandravanshi qla4xxx_sysfs_ddb_remove(ha); 7556afaf5a2dSDavid Somayajulu scsi_remove_host(ha->host); 7557afaf5a2dSDavid Somayajulu 7558afaf5a2dSDavid Somayajulu qla4xxx_free_adapter(ha); 7559afaf5a2dSDavid Somayajulu 7560afaf5a2dSDavid Somayajulu scsi_host_put(ha->host); 7561afaf5a2dSDavid Somayajulu 75622232be0dSLalit Chandivade pci_disable_pcie_error_reporting(pdev); 7563f4f5df23SVikas Chaudhary pci_disable_device(pdev); 7564afaf5a2dSDavid Somayajulu pci_set_drvdata(pdev, NULL); 7565afaf5a2dSDavid Somayajulu } 7566afaf5a2dSDavid Somayajulu 7567afaf5a2dSDavid Somayajulu /** 7568afaf5a2dSDavid Somayajulu * qla4xxx_config_dma_addressing() - Configure OS DMA addressing method. 7569afaf5a2dSDavid Somayajulu * @ha: HA context 7570afaf5a2dSDavid Somayajulu * 7571afaf5a2dSDavid Somayajulu * At exit, the @ha's flags.enable_64bit_addressing set to indicated 7572afaf5a2dSDavid Somayajulu * supported addressing method. 7573afaf5a2dSDavid Somayajulu */ 757447975477SAdrian Bunk static void qla4xxx_config_dma_addressing(struct scsi_qla_host *ha) 7575afaf5a2dSDavid Somayajulu { 7576afaf5a2dSDavid Somayajulu int retval; 7577afaf5a2dSDavid Somayajulu 7578afaf5a2dSDavid Somayajulu /* Update our PCI device dma_mask for full 64 bit mask */ 75796a35528aSYang Hongyang if (pci_set_dma_mask(ha->pdev, DMA_BIT_MASK(64)) == 0) { 75806a35528aSYang Hongyang if (pci_set_consistent_dma_mask(ha->pdev, DMA_BIT_MASK(64))) { 7581afaf5a2dSDavid Somayajulu dev_dbg(&ha->pdev->dev, 7582afaf5a2dSDavid Somayajulu "Failed to set 64 bit PCI consistent mask; " 7583afaf5a2dSDavid Somayajulu "using 32 bit.\n"); 7584afaf5a2dSDavid Somayajulu retval = pci_set_consistent_dma_mask(ha->pdev, 7585284901a9SYang Hongyang DMA_BIT_MASK(32)); 7586afaf5a2dSDavid Somayajulu } 7587afaf5a2dSDavid Somayajulu } else 7588284901a9SYang Hongyang retval = pci_set_dma_mask(ha->pdev, DMA_BIT_MASK(32)); 7589afaf5a2dSDavid Somayajulu } 7590afaf5a2dSDavid Somayajulu 7591afaf5a2dSDavid Somayajulu static int qla4xxx_slave_alloc(struct scsi_device *sdev) 7592afaf5a2dSDavid Somayajulu { 7593b3a271a9SManish Rangankar struct iscsi_cls_session *cls_sess; 7594b3a271a9SManish Rangankar struct iscsi_session *sess; 7595b3a271a9SManish Rangankar struct ddb_entry *ddb; 75968bb4033dSVikas Chaudhary int queue_depth = QL4_DEF_QDEPTH; 7597afaf5a2dSDavid Somayajulu 7598b3a271a9SManish Rangankar cls_sess = starget_to_session(sdev->sdev_target); 7599b3a271a9SManish Rangankar sess = cls_sess->dd_data; 7600b3a271a9SManish Rangankar ddb = sess->dd_data; 7601b3a271a9SManish Rangankar 7602afaf5a2dSDavid Somayajulu sdev->hostdata = ddb; 7603afaf5a2dSDavid Somayajulu sdev->tagged_supported = 1; 76048bb4033dSVikas Chaudhary 76058bb4033dSVikas Chaudhary if (ql4xmaxqdepth != 0 && ql4xmaxqdepth <= 0xffffU) 76068bb4033dSVikas Chaudhary queue_depth = ql4xmaxqdepth; 76078bb4033dSVikas Chaudhary 76088bb4033dSVikas Chaudhary scsi_activate_tcq(sdev, queue_depth); 7609afaf5a2dSDavid Somayajulu return 0; 7610afaf5a2dSDavid Somayajulu } 7611afaf5a2dSDavid Somayajulu 7612afaf5a2dSDavid Somayajulu static int qla4xxx_slave_configure(struct scsi_device *sdev) 7613afaf5a2dSDavid Somayajulu { 7614afaf5a2dSDavid Somayajulu sdev->tagged_supported = 1; 7615afaf5a2dSDavid Somayajulu return 0; 7616afaf5a2dSDavid Somayajulu } 7617afaf5a2dSDavid Somayajulu 7618afaf5a2dSDavid Somayajulu static void qla4xxx_slave_destroy(struct scsi_device *sdev) 7619afaf5a2dSDavid Somayajulu { 7620afaf5a2dSDavid Somayajulu scsi_deactivate_tcq(sdev, 1); 7621afaf5a2dSDavid Somayajulu } 7622afaf5a2dSDavid Somayajulu 7623f7b4aa63STej Parkash static int qla4xxx_change_queue_depth(struct scsi_device *sdev, int qdepth, 7624f7b4aa63STej Parkash int reason) 7625f7b4aa63STej Parkash { 7626f7b4aa63STej Parkash if (!ql4xqfulltracking) 7627f7b4aa63STej Parkash return -EOPNOTSUPP; 7628f7b4aa63STej Parkash 7629f7b4aa63STej Parkash return iscsi_change_queue_depth(sdev, qdepth, reason); 7630f7b4aa63STej Parkash } 7631f7b4aa63STej Parkash 7632afaf5a2dSDavid Somayajulu /** 7633afaf5a2dSDavid Somayajulu * qla4xxx_del_from_active_array - returns an active srb 7634afaf5a2dSDavid Somayajulu * @ha: Pointer to host adapter structure. 7635fd589a8fSAnand Gadiyar * @index: index into the active_array 7636afaf5a2dSDavid Somayajulu * 7637afaf5a2dSDavid Somayajulu * This routine removes and returns the srb at the specified index 7638afaf5a2dSDavid Somayajulu **/ 7639f4f5df23SVikas Chaudhary struct srb *qla4xxx_del_from_active_array(struct scsi_qla_host *ha, 7640f4f5df23SVikas Chaudhary uint32_t index) 7641afaf5a2dSDavid Somayajulu { 7642afaf5a2dSDavid Somayajulu struct srb *srb = NULL; 76435369887aSVikas Chaudhary struct scsi_cmnd *cmd = NULL; 7644afaf5a2dSDavid Somayajulu 76455369887aSVikas Chaudhary cmd = scsi_host_find_tag(ha->host, index); 76465369887aSVikas Chaudhary if (!cmd) 7647afaf5a2dSDavid Somayajulu return srb; 7648afaf5a2dSDavid Somayajulu 76495369887aSVikas Chaudhary srb = (struct srb *)CMD_SP(cmd); 76505369887aSVikas Chaudhary if (!srb) 7651afaf5a2dSDavid Somayajulu return srb; 7652afaf5a2dSDavid Somayajulu 7653afaf5a2dSDavid Somayajulu /* update counters */ 7654afaf5a2dSDavid Somayajulu if (srb->flags & SRB_DMA_VALID) { 7655afaf5a2dSDavid Somayajulu ha->iocb_cnt -= srb->iocb_cnt; 7656afaf5a2dSDavid Somayajulu if (srb->cmd) 76575369887aSVikas Chaudhary srb->cmd->host_scribble = 76585369887aSVikas Chaudhary (unsigned char *)(unsigned long) MAX_SRBS; 7659afaf5a2dSDavid Somayajulu } 7660afaf5a2dSDavid Somayajulu return srb; 7661afaf5a2dSDavid Somayajulu } 7662afaf5a2dSDavid Somayajulu 7663afaf5a2dSDavid Somayajulu /** 7664afaf5a2dSDavid Somayajulu * qla4xxx_eh_wait_on_command - waits for command to be returned by firmware 766509a0f719SVikas Chaudhary * @ha: Pointer to host adapter structure. 7666afaf5a2dSDavid Somayajulu * @cmd: Scsi Command to wait on. 7667afaf5a2dSDavid Somayajulu * 7668afaf5a2dSDavid Somayajulu * This routine waits for the command to be returned by the Firmware 7669afaf5a2dSDavid Somayajulu * for some max time. 7670afaf5a2dSDavid Somayajulu **/ 7671afaf5a2dSDavid Somayajulu static int qla4xxx_eh_wait_on_command(struct scsi_qla_host *ha, 7672afaf5a2dSDavid Somayajulu struct scsi_cmnd *cmd) 7673afaf5a2dSDavid Somayajulu { 7674afaf5a2dSDavid Somayajulu int done = 0; 7675afaf5a2dSDavid Somayajulu struct srb *rp; 7676afaf5a2dSDavid Somayajulu uint32_t max_wait_time = EH_WAIT_CMD_TOV; 76772232be0dSLalit Chandivade int ret = SUCCESS; 76782232be0dSLalit Chandivade 76792232be0dSLalit Chandivade /* Dont wait on command if PCI error is being handled 76802232be0dSLalit Chandivade * by PCI AER driver 76812232be0dSLalit Chandivade */ 76822232be0dSLalit Chandivade if (unlikely(pci_channel_offline(ha->pdev)) || 76832232be0dSLalit Chandivade (test_bit(AF_EEH_BUSY, &ha->flags))) { 76842232be0dSLalit Chandivade ql4_printk(KERN_WARNING, ha, "scsi%ld: Return from %s\n", 76852232be0dSLalit Chandivade ha->host_no, __func__); 76862232be0dSLalit Chandivade return ret; 76872232be0dSLalit Chandivade } 7688afaf5a2dSDavid Somayajulu 7689afaf5a2dSDavid Somayajulu do { 7690afaf5a2dSDavid Somayajulu /* Checking to see if its returned to OS */ 76915369887aSVikas Chaudhary rp = (struct srb *) CMD_SP(cmd); 7692afaf5a2dSDavid Somayajulu if (rp == NULL) { 7693afaf5a2dSDavid Somayajulu done++; 7694afaf5a2dSDavid Somayajulu break; 7695afaf5a2dSDavid Somayajulu } 7696afaf5a2dSDavid Somayajulu 7697afaf5a2dSDavid Somayajulu msleep(2000); 7698afaf5a2dSDavid Somayajulu } while (max_wait_time--); 7699afaf5a2dSDavid Somayajulu 7700afaf5a2dSDavid Somayajulu return done; 7701afaf5a2dSDavid Somayajulu } 7702afaf5a2dSDavid Somayajulu 7703afaf5a2dSDavid Somayajulu /** 7704afaf5a2dSDavid Somayajulu * qla4xxx_wait_for_hba_online - waits for HBA to come online 7705afaf5a2dSDavid Somayajulu * @ha: Pointer to host adapter structure 7706afaf5a2dSDavid Somayajulu **/ 7707afaf5a2dSDavid Somayajulu static int qla4xxx_wait_for_hba_online(struct scsi_qla_host *ha) 7708afaf5a2dSDavid Somayajulu { 7709afaf5a2dSDavid Somayajulu unsigned long wait_online; 7710afaf5a2dSDavid Somayajulu 7711f581a3f7SVikas Chaudhary wait_online = jiffies + (HBA_ONLINE_TOV * HZ); 7712afaf5a2dSDavid Somayajulu while (time_before(jiffies, wait_online)) { 7713afaf5a2dSDavid Somayajulu 7714afaf5a2dSDavid Somayajulu if (adapter_up(ha)) 7715afaf5a2dSDavid Somayajulu return QLA_SUCCESS; 7716afaf5a2dSDavid Somayajulu 7717afaf5a2dSDavid Somayajulu msleep(2000); 7718afaf5a2dSDavid Somayajulu } 7719afaf5a2dSDavid Somayajulu 7720afaf5a2dSDavid Somayajulu return QLA_ERROR; 7721afaf5a2dSDavid Somayajulu } 7722afaf5a2dSDavid Somayajulu 7723afaf5a2dSDavid Somayajulu /** 7724ce545039SMike Christie * qla4xxx_eh_wait_for_commands - wait for active cmds to finish. 7725fd589a8fSAnand Gadiyar * @ha: pointer to HBA 7726afaf5a2dSDavid Somayajulu * @t: target id 7727afaf5a2dSDavid Somayajulu * @l: lun id 7728afaf5a2dSDavid Somayajulu * 7729afaf5a2dSDavid Somayajulu * This function waits for all outstanding commands to a lun to complete. It 7730afaf5a2dSDavid Somayajulu * returns 0 if all pending commands are returned and 1 otherwise. 7731afaf5a2dSDavid Somayajulu **/ 7732ce545039SMike Christie static int qla4xxx_eh_wait_for_commands(struct scsi_qla_host *ha, 7733ce545039SMike Christie struct scsi_target *stgt, 7734ce545039SMike Christie struct scsi_device *sdev) 7735afaf5a2dSDavid Somayajulu { 7736afaf5a2dSDavid Somayajulu int cnt; 7737afaf5a2dSDavid Somayajulu int status = 0; 7738afaf5a2dSDavid Somayajulu struct scsi_cmnd *cmd; 7739afaf5a2dSDavid Somayajulu 7740afaf5a2dSDavid Somayajulu /* 7741ce545039SMike Christie * Waiting for all commands for the designated target or dev 7742ce545039SMike Christie * in the active array 7743afaf5a2dSDavid Somayajulu */ 7744afaf5a2dSDavid Somayajulu for (cnt = 0; cnt < ha->host->can_queue; cnt++) { 7745afaf5a2dSDavid Somayajulu cmd = scsi_host_find_tag(ha->host, cnt); 7746ce545039SMike Christie if (cmd && stgt == scsi_target(cmd->device) && 7747ce545039SMike Christie (!sdev || sdev == cmd->device)) { 7748afaf5a2dSDavid Somayajulu if (!qla4xxx_eh_wait_on_command(ha, cmd)) { 7749afaf5a2dSDavid Somayajulu status++; 7750afaf5a2dSDavid Somayajulu break; 7751afaf5a2dSDavid Somayajulu } 7752afaf5a2dSDavid Somayajulu } 7753afaf5a2dSDavid Somayajulu } 7754afaf5a2dSDavid Somayajulu return status; 7755afaf5a2dSDavid Somayajulu } 7756afaf5a2dSDavid Somayajulu 7757afaf5a2dSDavid Somayajulu /** 775809a0f719SVikas Chaudhary * qla4xxx_eh_abort - callback for abort task. 775909a0f719SVikas Chaudhary * @cmd: Pointer to Linux's SCSI command structure 776009a0f719SVikas Chaudhary * 776109a0f719SVikas Chaudhary * This routine is called by the Linux OS to abort the specified 776209a0f719SVikas Chaudhary * command. 776309a0f719SVikas Chaudhary **/ 776409a0f719SVikas Chaudhary static int qla4xxx_eh_abort(struct scsi_cmnd *cmd) 776509a0f719SVikas Chaudhary { 776609a0f719SVikas Chaudhary struct scsi_qla_host *ha = to_qla_host(cmd->device->host); 776709a0f719SVikas Chaudhary unsigned int id = cmd->device->id; 776809a0f719SVikas Chaudhary unsigned int lun = cmd->device->lun; 776992b3e5bbSMike Christie unsigned long flags; 777009a0f719SVikas Chaudhary struct srb *srb = NULL; 777109a0f719SVikas Chaudhary int ret = SUCCESS; 777209a0f719SVikas Chaudhary int wait = 0; 777309a0f719SVikas Chaudhary 7774c2660df3SVikas Chaudhary ql4_printk(KERN_INFO, ha, 77755cd049a5SChristoph Hellwig "scsi%ld:%d:%d: Abort command issued cmd=%p\n", 77765cd049a5SChristoph Hellwig ha->host_no, id, lun, cmd); 777709a0f719SVikas Chaudhary 777892b3e5bbSMike Christie spin_lock_irqsave(&ha->hardware_lock, flags); 777909a0f719SVikas Chaudhary srb = (struct srb *) CMD_SP(cmd); 778092b3e5bbSMike Christie if (!srb) { 778192b3e5bbSMike Christie spin_unlock_irqrestore(&ha->hardware_lock, flags); 778209a0f719SVikas Chaudhary return SUCCESS; 778392b3e5bbSMike Christie } 778409a0f719SVikas Chaudhary kref_get(&srb->srb_ref); 778592b3e5bbSMike Christie spin_unlock_irqrestore(&ha->hardware_lock, flags); 778609a0f719SVikas Chaudhary 778709a0f719SVikas Chaudhary if (qla4xxx_abort_task(ha, srb) != QLA_SUCCESS) { 778809a0f719SVikas Chaudhary DEBUG3(printk("scsi%ld:%d:%d: Abort_task mbx failed.\n", 778909a0f719SVikas Chaudhary ha->host_no, id, lun)); 779009a0f719SVikas Chaudhary ret = FAILED; 779109a0f719SVikas Chaudhary } else { 779209a0f719SVikas Chaudhary DEBUG3(printk("scsi%ld:%d:%d: Abort_task mbx success.\n", 779309a0f719SVikas Chaudhary ha->host_no, id, lun)); 779409a0f719SVikas Chaudhary wait = 1; 779509a0f719SVikas Chaudhary } 779609a0f719SVikas Chaudhary 779709a0f719SVikas Chaudhary kref_put(&srb->srb_ref, qla4xxx_srb_compl); 779809a0f719SVikas Chaudhary 779909a0f719SVikas Chaudhary /* Wait for command to complete */ 780009a0f719SVikas Chaudhary if (wait) { 780109a0f719SVikas Chaudhary if (!qla4xxx_eh_wait_on_command(ha, cmd)) { 780209a0f719SVikas Chaudhary DEBUG2(printk("scsi%ld:%d:%d: Abort handler timed out\n", 780309a0f719SVikas Chaudhary ha->host_no, id, lun)); 780409a0f719SVikas Chaudhary ret = FAILED; 780509a0f719SVikas Chaudhary } 780609a0f719SVikas Chaudhary } 780709a0f719SVikas Chaudhary 7808c2660df3SVikas Chaudhary ql4_printk(KERN_INFO, ha, 780909a0f719SVikas Chaudhary "scsi%ld:%d:%d: Abort command - %s\n", 781025985edcSLucas De Marchi ha->host_no, id, lun, (ret == SUCCESS) ? "succeeded" : "failed"); 781109a0f719SVikas Chaudhary 781209a0f719SVikas Chaudhary return ret; 781309a0f719SVikas Chaudhary } 781409a0f719SVikas Chaudhary 781509a0f719SVikas Chaudhary /** 7816afaf5a2dSDavid Somayajulu * qla4xxx_eh_device_reset - callback for target reset. 7817afaf5a2dSDavid Somayajulu * @cmd: Pointer to Linux's SCSI command structure 7818afaf5a2dSDavid Somayajulu * 7819afaf5a2dSDavid Somayajulu * This routine is called by the Linux OS to reset all luns on the 7820afaf5a2dSDavid Somayajulu * specified target. 7821afaf5a2dSDavid Somayajulu **/ 7822afaf5a2dSDavid Somayajulu static int qla4xxx_eh_device_reset(struct scsi_cmnd *cmd) 7823afaf5a2dSDavid Somayajulu { 7824afaf5a2dSDavid Somayajulu struct scsi_qla_host *ha = to_qla_host(cmd->device->host); 7825afaf5a2dSDavid Somayajulu struct ddb_entry *ddb_entry = cmd->device->hostdata; 7826afaf5a2dSDavid Somayajulu int ret = FAILED, stat; 7827afaf5a2dSDavid Somayajulu 7828612f7348SKaren Higgins if (!ddb_entry) 7829afaf5a2dSDavid Somayajulu return ret; 7830afaf5a2dSDavid Somayajulu 7831c01be6dcSMike Christie ret = iscsi_block_scsi_eh(cmd); 7832c01be6dcSMike Christie if (ret) 7833c01be6dcSMike Christie return ret; 7834c01be6dcSMike Christie ret = FAILED; 7835c01be6dcSMike Christie 7836c2660df3SVikas Chaudhary ql4_printk(KERN_INFO, ha, 7837afaf5a2dSDavid Somayajulu "scsi%ld:%d:%d:%d: DEVICE RESET ISSUED.\n", ha->host_no, 7838afaf5a2dSDavid Somayajulu cmd->device->channel, cmd->device->id, cmd->device->lun); 7839afaf5a2dSDavid Somayajulu 7840afaf5a2dSDavid Somayajulu DEBUG2(printk(KERN_INFO 7841afaf5a2dSDavid Somayajulu "scsi%ld: DEVICE_RESET cmd=%p jiffies = 0x%lx, to=%x," 7842afaf5a2dSDavid Somayajulu "dpc_flags=%lx, status=%x allowed=%d\n", ha->host_no, 7843242f9dcbSJens Axboe cmd, jiffies, cmd->request->timeout / HZ, 7844afaf5a2dSDavid Somayajulu ha->dpc_flags, cmd->result, cmd->allowed)); 7845afaf5a2dSDavid Somayajulu 7846afaf5a2dSDavid Somayajulu /* FIXME: wait for hba to go online */ 7847afaf5a2dSDavid Somayajulu stat = qla4xxx_reset_lun(ha, ddb_entry, cmd->device->lun); 7848afaf5a2dSDavid Somayajulu if (stat != QLA_SUCCESS) { 7849c2660df3SVikas Chaudhary ql4_printk(KERN_INFO, ha, "DEVICE RESET FAILED. %d\n", stat); 7850afaf5a2dSDavid Somayajulu goto eh_dev_reset_done; 7851afaf5a2dSDavid Somayajulu } 7852afaf5a2dSDavid Somayajulu 7853ce545039SMike Christie if (qla4xxx_eh_wait_for_commands(ha, scsi_target(cmd->device), 7854ce545039SMike Christie cmd->device)) { 7855c2660df3SVikas Chaudhary ql4_printk(KERN_INFO, ha, 7856afaf5a2dSDavid Somayajulu "DEVICE RESET FAILED - waiting for " 7857afaf5a2dSDavid Somayajulu "commands.\n"); 7858afaf5a2dSDavid Somayajulu goto eh_dev_reset_done; 7859afaf5a2dSDavid Somayajulu } 7860afaf5a2dSDavid Somayajulu 78619d562913SDavid C Somayajulu /* Send marker. */ 78629d562913SDavid C Somayajulu if (qla4xxx_send_marker_iocb(ha, ddb_entry, cmd->device->lun, 78639d562913SDavid C Somayajulu MM_LUN_RESET) != QLA_SUCCESS) 78649d562913SDavid C Somayajulu goto eh_dev_reset_done; 78659d562913SDavid C Somayajulu 7866c2660df3SVikas Chaudhary ql4_printk(KERN_INFO, ha, 7867afaf5a2dSDavid Somayajulu "scsi(%ld:%d:%d:%d): DEVICE RESET SUCCEEDED.\n", 7868afaf5a2dSDavid Somayajulu ha->host_no, cmd->device->channel, cmd->device->id, 7869afaf5a2dSDavid Somayajulu cmd->device->lun); 7870afaf5a2dSDavid Somayajulu 7871afaf5a2dSDavid Somayajulu ret = SUCCESS; 7872afaf5a2dSDavid Somayajulu 7873afaf5a2dSDavid Somayajulu eh_dev_reset_done: 7874afaf5a2dSDavid Somayajulu 7875afaf5a2dSDavid Somayajulu return ret; 7876afaf5a2dSDavid Somayajulu } 7877afaf5a2dSDavid Somayajulu 7878afaf5a2dSDavid Somayajulu /** 7879ce545039SMike Christie * qla4xxx_eh_target_reset - callback for target reset. 7880ce545039SMike Christie * @cmd: Pointer to Linux's SCSI command structure 7881ce545039SMike Christie * 7882ce545039SMike Christie * This routine is called by the Linux OS to reset the target. 7883ce545039SMike Christie **/ 7884ce545039SMike Christie static int qla4xxx_eh_target_reset(struct scsi_cmnd *cmd) 7885ce545039SMike Christie { 7886ce545039SMike Christie struct scsi_qla_host *ha = to_qla_host(cmd->device->host); 7887ce545039SMike Christie struct ddb_entry *ddb_entry = cmd->device->hostdata; 7888c01be6dcSMike Christie int stat, ret; 7889ce545039SMike Christie 7890ce545039SMike Christie if (!ddb_entry) 7891ce545039SMike Christie return FAILED; 7892ce545039SMike Christie 7893c01be6dcSMike Christie ret = iscsi_block_scsi_eh(cmd); 7894c01be6dcSMike Christie if (ret) 7895c01be6dcSMike Christie return ret; 7896c01be6dcSMike Christie 7897ce545039SMike Christie starget_printk(KERN_INFO, scsi_target(cmd->device), 7898ce545039SMike Christie "WARM TARGET RESET ISSUED.\n"); 7899ce545039SMike Christie 7900ce545039SMike Christie DEBUG2(printk(KERN_INFO 7901ce545039SMike Christie "scsi%ld: TARGET_DEVICE_RESET cmd=%p jiffies = 0x%lx, " 7902ce545039SMike Christie "to=%x,dpc_flags=%lx, status=%x allowed=%d\n", 7903242f9dcbSJens Axboe ha->host_no, cmd, jiffies, cmd->request->timeout / HZ, 7904ce545039SMike Christie ha->dpc_flags, cmd->result, cmd->allowed)); 7905ce545039SMike Christie 7906ce545039SMike Christie stat = qla4xxx_reset_target(ha, ddb_entry); 7907ce545039SMike Christie if (stat != QLA_SUCCESS) { 7908ce545039SMike Christie starget_printk(KERN_INFO, scsi_target(cmd->device), 7909ce545039SMike Christie "WARM TARGET RESET FAILED.\n"); 7910ce545039SMike Christie return FAILED; 7911ce545039SMike Christie } 7912ce545039SMike Christie 7913ce545039SMike Christie if (qla4xxx_eh_wait_for_commands(ha, scsi_target(cmd->device), 7914ce545039SMike Christie NULL)) { 7915ce545039SMike Christie starget_printk(KERN_INFO, scsi_target(cmd->device), 7916ce545039SMike Christie "WARM TARGET DEVICE RESET FAILED - " 7917ce545039SMike Christie "waiting for commands.\n"); 7918ce545039SMike Christie return FAILED; 7919ce545039SMike Christie } 7920ce545039SMike Christie 79219d562913SDavid C Somayajulu /* Send marker. */ 79229d562913SDavid C Somayajulu if (qla4xxx_send_marker_iocb(ha, ddb_entry, cmd->device->lun, 79239d562913SDavid C Somayajulu MM_TGT_WARM_RESET) != QLA_SUCCESS) { 79249d562913SDavid C Somayajulu starget_printk(KERN_INFO, scsi_target(cmd->device), 79259d562913SDavid C Somayajulu "WARM TARGET DEVICE RESET FAILED - " 79269d562913SDavid C Somayajulu "marker iocb failed.\n"); 79279d562913SDavid C Somayajulu return FAILED; 79289d562913SDavid C Somayajulu } 79299d562913SDavid C Somayajulu 7930ce545039SMike Christie starget_printk(KERN_INFO, scsi_target(cmd->device), 7931ce545039SMike Christie "WARM TARGET RESET SUCCEEDED.\n"); 7932ce545039SMike Christie return SUCCESS; 7933ce545039SMike Christie } 7934ce545039SMike Christie 7935ce545039SMike Christie /** 79368a288960SSarang Radke * qla4xxx_is_eh_active - check if error handler is running 79378a288960SSarang Radke * @shost: Pointer to SCSI Host struct 79388a288960SSarang Radke * 79398a288960SSarang Radke * This routine finds that if reset host is called in EH 79408a288960SSarang Radke * scenario or from some application like sg_reset 79418a288960SSarang Radke **/ 79428a288960SSarang Radke static int qla4xxx_is_eh_active(struct Scsi_Host *shost) 79438a288960SSarang Radke { 79448a288960SSarang Radke if (shost->shost_state == SHOST_RECOVERY) 79458a288960SSarang Radke return 1; 79468a288960SSarang Radke return 0; 79478a288960SSarang Radke } 79488a288960SSarang Radke 79498a288960SSarang Radke /** 7950afaf5a2dSDavid Somayajulu * qla4xxx_eh_host_reset - kernel callback 7951afaf5a2dSDavid Somayajulu * @cmd: Pointer to Linux's SCSI command structure 7952afaf5a2dSDavid Somayajulu * 7953afaf5a2dSDavid Somayajulu * This routine is invoked by the Linux kernel to perform fatal error 7954afaf5a2dSDavid Somayajulu * recovery on the specified adapter. 7955afaf5a2dSDavid Somayajulu **/ 7956afaf5a2dSDavid Somayajulu static int qla4xxx_eh_host_reset(struct scsi_cmnd *cmd) 7957afaf5a2dSDavid Somayajulu { 7958afaf5a2dSDavid Somayajulu int return_status = FAILED; 7959afaf5a2dSDavid Somayajulu struct scsi_qla_host *ha; 7960afaf5a2dSDavid Somayajulu 7961b3a271a9SManish Rangankar ha = to_qla_host(cmd->device->host); 7962afaf5a2dSDavid Somayajulu 7963b37ca418SVikas Chaudhary if ((is_qla8032(ha) || is_qla8042(ha)) && ql4xdontresethba) 79646e7b4292SVikas Chaudhary qla4_83xx_set_idc_dontreset(ha); 79656e7b4292SVikas Chaudhary 79666e7b4292SVikas Chaudhary /* 7967b37ca418SVikas Chaudhary * For ISP8324 and ISP8042, if IDC_CTRL DONTRESET_BIT0 is set by other 7968b37ca418SVikas Chaudhary * protocol drivers, we should not set device_state to NEED_RESET 79696e7b4292SVikas Chaudhary */ 79706e7b4292SVikas Chaudhary if (ql4xdontresethba || 7971b37ca418SVikas Chaudhary ((is_qla8032(ha) || is_qla8042(ha)) && 7972b37ca418SVikas Chaudhary qla4_83xx_idc_dontreset(ha))) { 7973f4f5df23SVikas Chaudhary DEBUG2(printk("scsi%ld: %s: Don't Reset HBA\n", 7974f4f5df23SVikas Chaudhary ha->host_no, __func__)); 79758a288960SSarang Radke 79768a288960SSarang Radke /* Clear outstanding srb in queues */ 79778a288960SSarang Radke if (qla4xxx_is_eh_active(cmd->device->host)) 79788a288960SSarang Radke qla4xxx_abort_active_cmds(ha, DID_ABORT << 16); 79798a288960SSarang Radke 7980f4f5df23SVikas Chaudhary return FAILED; 7981f4f5df23SVikas Chaudhary } 7982f4f5df23SVikas Chaudhary 7983c2660df3SVikas Chaudhary ql4_printk(KERN_INFO, ha, 7984dca05c4cSKaren Higgins "scsi(%ld:%d:%d:%d): HOST RESET ISSUED.\n", ha->host_no, 7985afaf5a2dSDavid Somayajulu cmd->device->channel, cmd->device->id, cmd->device->lun); 7986afaf5a2dSDavid Somayajulu 7987afaf5a2dSDavid Somayajulu if (qla4xxx_wait_for_hba_online(ha) != QLA_SUCCESS) { 7988afaf5a2dSDavid Somayajulu DEBUG2(printk("scsi%ld:%d: %s: Unable to reset host. Adapter " 7989afaf5a2dSDavid Somayajulu "DEAD.\n", ha->host_no, cmd->device->channel, 7990afaf5a2dSDavid Somayajulu __func__)); 7991afaf5a2dSDavid Somayajulu 7992afaf5a2dSDavid Somayajulu return FAILED; 7993afaf5a2dSDavid Somayajulu } 7994afaf5a2dSDavid Somayajulu 7995f4f5df23SVikas Chaudhary if (!test_bit(DPC_RESET_HA, &ha->dpc_flags)) { 79966e7b4292SVikas Chaudhary if (is_qla80XX(ha)) 7997f4f5df23SVikas Chaudhary set_bit(DPC_RESET_HA_FW_CONTEXT, &ha->dpc_flags); 7998f4f5df23SVikas Chaudhary else 7999f4f5df23SVikas Chaudhary set_bit(DPC_RESET_HA, &ha->dpc_flags); 8000f4f5df23SVikas Chaudhary } 800150a29aecSMike Christie 8002f4f5df23SVikas Chaudhary if (qla4xxx_recover_adapter(ha) == QLA_SUCCESS) 8003afaf5a2dSDavid Somayajulu return_status = SUCCESS; 8004afaf5a2dSDavid Somayajulu 8005c2660df3SVikas Chaudhary ql4_printk(KERN_INFO, ha, "HOST RESET %s.\n", 800625985edcSLucas De Marchi return_status == FAILED ? "FAILED" : "SUCCEEDED"); 8007afaf5a2dSDavid Somayajulu 8008afaf5a2dSDavid Somayajulu return return_status; 8009afaf5a2dSDavid Somayajulu } 8010afaf5a2dSDavid Somayajulu 801195d31262SVikas Chaudhary static int qla4xxx_context_reset(struct scsi_qla_host *ha) 801295d31262SVikas Chaudhary { 801395d31262SVikas Chaudhary uint32_t mbox_cmd[MBOX_REG_COUNT]; 801495d31262SVikas Chaudhary uint32_t mbox_sts[MBOX_REG_COUNT]; 801595d31262SVikas Chaudhary struct addr_ctrl_blk_def *acb = NULL; 801695d31262SVikas Chaudhary uint32_t acb_len = sizeof(struct addr_ctrl_blk_def); 801795d31262SVikas Chaudhary int rval = QLA_SUCCESS; 801895d31262SVikas Chaudhary dma_addr_t acb_dma; 801995d31262SVikas Chaudhary 802095d31262SVikas Chaudhary acb = dma_alloc_coherent(&ha->pdev->dev, 802195d31262SVikas Chaudhary sizeof(struct addr_ctrl_blk_def), 802295d31262SVikas Chaudhary &acb_dma, GFP_KERNEL); 802395d31262SVikas Chaudhary if (!acb) { 802495d31262SVikas Chaudhary ql4_printk(KERN_ERR, ha, "%s: Unable to alloc acb\n", 802595d31262SVikas Chaudhary __func__); 802695d31262SVikas Chaudhary rval = -ENOMEM; 802795d31262SVikas Chaudhary goto exit_port_reset; 802895d31262SVikas Chaudhary } 802995d31262SVikas Chaudhary 803095d31262SVikas Chaudhary memset(acb, 0, acb_len); 803195d31262SVikas Chaudhary 803295d31262SVikas Chaudhary rval = qla4xxx_get_acb(ha, acb_dma, PRIMARI_ACB, acb_len); 803395d31262SVikas Chaudhary if (rval != QLA_SUCCESS) { 803495d31262SVikas Chaudhary rval = -EIO; 803595d31262SVikas Chaudhary goto exit_free_acb; 803695d31262SVikas Chaudhary } 803795d31262SVikas Chaudhary 803895d31262SVikas Chaudhary rval = qla4xxx_disable_acb(ha); 803995d31262SVikas Chaudhary if (rval != QLA_SUCCESS) { 804095d31262SVikas Chaudhary rval = -EIO; 804195d31262SVikas Chaudhary goto exit_free_acb; 804295d31262SVikas Chaudhary } 804395d31262SVikas Chaudhary 804495d31262SVikas Chaudhary wait_for_completion_timeout(&ha->disable_acb_comp, 804595d31262SVikas Chaudhary DISABLE_ACB_TOV * HZ); 804695d31262SVikas Chaudhary 804795d31262SVikas Chaudhary rval = qla4xxx_set_acb(ha, &mbox_cmd[0], &mbox_sts[0], acb_dma); 804895d31262SVikas Chaudhary if (rval != QLA_SUCCESS) { 804995d31262SVikas Chaudhary rval = -EIO; 805095d31262SVikas Chaudhary goto exit_free_acb; 805195d31262SVikas Chaudhary } 805295d31262SVikas Chaudhary 805395d31262SVikas Chaudhary exit_free_acb: 805495d31262SVikas Chaudhary dma_free_coherent(&ha->pdev->dev, sizeof(struct addr_ctrl_blk_def), 805595d31262SVikas Chaudhary acb, acb_dma); 805695d31262SVikas Chaudhary exit_port_reset: 805795d31262SVikas Chaudhary DEBUG2(ql4_printk(KERN_INFO, ha, "%s %s\n", __func__, 805895d31262SVikas Chaudhary rval == QLA_SUCCESS ? "SUCCEEDED" : "FAILED")); 805995d31262SVikas Chaudhary return rval; 806095d31262SVikas Chaudhary } 806195d31262SVikas Chaudhary 806295d31262SVikas Chaudhary static int qla4xxx_host_reset(struct Scsi_Host *shost, int reset_type) 806395d31262SVikas Chaudhary { 806495d31262SVikas Chaudhary struct scsi_qla_host *ha = to_qla_host(shost); 806595d31262SVikas Chaudhary int rval = QLA_SUCCESS; 8066ebd777deSVikas Chaudhary uint32_t idc_ctrl; 806795d31262SVikas Chaudhary 806895d31262SVikas Chaudhary if (ql4xdontresethba) { 806995d31262SVikas Chaudhary DEBUG2(ql4_printk(KERN_INFO, ha, "%s: Don't Reset HBA\n", 807095d31262SVikas Chaudhary __func__)); 807195d31262SVikas Chaudhary rval = -EPERM; 807295d31262SVikas Chaudhary goto exit_host_reset; 807395d31262SVikas Chaudhary } 807495d31262SVikas Chaudhary 807595d31262SVikas Chaudhary if (test_bit(DPC_RESET_HA, &ha->dpc_flags)) 807695d31262SVikas Chaudhary goto recover_adapter; 807795d31262SVikas Chaudhary 807895d31262SVikas Chaudhary switch (reset_type) { 807995d31262SVikas Chaudhary case SCSI_ADAPTER_RESET: 808095d31262SVikas Chaudhary set_bit(DPC_RESET_HA, &ha->dpc_flags); 808195d31262SVikas Chaudhary break; 808295d31262SVikas Chaudhary case SCSI_FIRMWARE_RESET: 808395d31262SVikas Chaudhary if (!test_bit(DPC_RESET_HA, &ha->dpc_flags)) { 80846e7b4292SVikas Chaudhary if (is_qla80XX(ha)) 808595d31262SVikas Chaudhary /* set firmware context reset */ 808695d31262SVikas Chaudhary set_bit(DPC_RESET_HA_FW_CONTEXT, 808795d31262SVikas Chaudhary &ha->dpc_flags); 808895d31262SVikas Chaudhary else { 808995d31262SVikas Chaudhary rval = qla4xxx_context_reset(ha); 809095d31262SVikas Chaudhary goto exit_host_reset; 809195d31262SVikas Chaudhary } 809295d31262SVikas Chaudhary } 809395d31262SVikas Chaudhary break; 809495d31262SVikas Chaudhary } 809595d31262SVikas Chaudhary 809695d31262SVikas Chaudhary recover_adapter: 8097b37ca418SVikas Chaudhary /* For ISP8324 and ISP8042 set graceful reset bit in IDC_DRV_CTRL if 8098ebd777deSVikas Chaudhary * reset is issued by application */ 8099b37ca418SVikas Chaudhary if ((is_qla8032(ha) || is_qla8042(ha)) && 8100b37ca418SVikas Chaudhary test_bit(DPC_RESET_HA, &ha->dpc_flags)) { 8101ebd777deSVikas Chaudhary idc_ctrl = qla4_83xx_rd_reg(ha, QLA83XX_IDC_DRV_CTRL); 8102ebd777deSVikas Chaudhary qla4_83xx_wr_reg(ha, QLA83XX_IDC_DRV_CTRL, 8103ebd777deSVikas Chaudhary (idc_ctrl | GRACEFUL_RESET_BIT1)); 8104ebd777deSVikas Chaudhary } 8105ebd777deSVikas Chaudhary 810695d31262SVikas Chaudhary rval = qla4xxx_recover_adapter(ha); 810795d31262SVikas Chaudhary if (rval != QLA_SUCCESS) { 810895d31262SVikas Chaudhary DEBUG2(ql4_printk(KERN_INFO, ha, "%s: recover adapter fail\n", 810995d31262SVikas Chaudhary __func__)); 811095d31262SVikas Chaudhary rval = -EIO; 811195d31262SVikas Chaudhary } 811295d31262SVikas Chaudhary 811395d31262SVikas Chaudhary exit_host_reset: 811495d31262SVikas Chaudhary return rval; 811595d31262SVikas Chaudhary } 811695d31262SVikas Chaudhary 81172232be0dSLalit Chandivade /* PCI AER driver recovers from all correctable errors w/o 81182232be0dSLalit Chandivade * driver intervention. For uncorrectable errors PCI AER 81192232be0dSLalit Chandivade * driver calls the following device driver's callbacks 81202232be0dSLalit Chandivade * 81212232be0dSLalit Chandivade * - Fatal Errors - link_reset 81222232be0dSLalit Chandivade * - Non-Fatal Errors - driver's pci_error_detected() which 81232232be0dSLalit Chandivade * returns CAN_RECOVER, NEED_RESET or DISCONNECT. 81242232be0dSLalit Chandivade * 81252232be0dSLalit Chandivade * PCI AER driver calls 81262232be0dSLalit Chandivade * CAN_RECOVER - driver's pci_mmio_enabled(), mmio_enabled 81272232be0dSLalit Chandivade * returns RECOVERED or NEED_RESET if fw_hung 81282232be0dSLalit Chandivade * NEED_RESET - driver's slot_reset() 81292232be0dSLalit Chandivade * DISCONNECT - device is dead & cannot recover 81302232be0dSLalit Chandivade * RECOVERED - driver's pci_resume() 81312232be0dSLalit Chandivade */ 81322232be0dSLalit Chandivade static pci_ers_result_t 81332232be0dSLalit Chandivade qla4xxx_pci_error_detected(struct pci_dev *pdev, pci_channel_state_t state) 81342232be0dSLalit Chandivade { 81352232be0dSLalit Chandivade struct scsi_qla_host *ha = pci_get_drvdata(pdev); 81362232be0dSLalit Chandivade 81372232be0dSLalit Chandivade ql4_printk(KERN_WARNING, ha, "scsi%ld: %s: error detected:state %x\n", 81382232be0dSLalit Chandivade ha->host_no, __func__, state); 81392232be0dSLalit Chandivade 81402232be0dSLalit Chandivade if (!is_aer_supported(ha)) 81412232be0dSLalit Chandivade return PCI_ERS_RESULT_NONE; 81422232be0dSLalit Chandivade 81432232be0dSLalit Chandivade switch (state) { 81442232be0dSLalit Chandivade case pci_channel_io_normal: 81452232be0dSLalit Chandivade clear_bit(AF_EEH_BUSY, &ha->flags); 81462232be0dSLalit Chandivade return PCI_ERS_RESULT_CAN_RECOVER; 81472232be0dSLalit Chandivade case pci_channel_io_frozen: 81482232be0dSLalit Chandivade set_bit(AF_EEH_BUSY, &ha->flags); 81492232be0dSLalit Chandivade qla4xxx_mailbox_premature_completion(ha); 81502232be0dSLalit Chandivade qla4xxx_free_irqs(ha); 81512232be0dSLalit Chandivade pci_disable_device(pdev); 81527b3595dfSVikas Chaudhary /* Return back all IOs */ 81537b3595dfSVikas Chaudhary qla4xxx_abort_active_cmds(ha, DID_RESET << 16); 81542232be0dSLalit Chandivade return PCI_ERS_RESULT_NEED_RESET; 81552232be0dSLalit Chandivade case pci_channel_io_perm_failure: 81562232be0dSLalit Chandivade set_bit(AF_EEH_BUSY, &ha->flags); 81572232be0dSLalit Chandivade set_bit(AF_PCI_CHANNEL_IO_PERM_FAILURE, &ha->flags); 81582232be0dSLalit Chandivade qla4xxx_abort_active_cmds(ha, DID_NO_CONNECT << 16); 81592232be0dSLalit Chandivade return PCI_ERS_RESULT_DISCONNECT; 81602232be0dSLalit Chandivade } 81612232be0dSLalit Chandivade return PCI_ERS_RESULT_NEED_RESET; 81622232be0dSLalit Chandivade } 81632232be0dSLalit Chandivade 81642232be0dSLalit Chandivade /** 81652232be0dSLalit Chandivade * qla4xxx_pci_mmio_enabled() gets called if 81662232be0dSLalit Chandivade * qla4xxx_pci_error_detected() returns PCI_ERS_RESULT_CAN_RECOVER 81672232be0dSLalit Chandivade * and read/write to the device still works. 81682232be0dSLalit Chandivade **/ 81692232be0dSLalit Chandivade static pci_ers_result_t 81702232be0dSLalit Chandivade qla4xxx_pci_mmio_enabled(struct pci_dev *pdev) 81712232be0dSLalit Chandivade { 81722232be0dSLalit Chandivade struct scsi_qla_host *ha = pci_get_drvdata(pdev); 81732232be0dSLalit Chandivade 81742232be0dSLalit Chandivade if (!is_aer_supported(ha)) 81752232be0dSLalit Chandivade return PCI_ERS_RESULT_NONE; 81762232be0dSLalit Chandivade 81772232be0dSLalit Chandivade return PCI_ERS_RESULT_RECOVERED; 81782232be0dSLalit Chandivade } 81792232be0dSLalit Chandivade 81807b3595dfSVikas Chaudhary static uint32_t qla4_8xxx_error_recovery(struct scsi_qla_host *ha) 81812232be0dSLalit Chandivade { 81822232be0dSLalit Chandivade uint32_t rval = QLA_ERROR; 81832232be0dSLalit Chandivade int fn; 81842232be0dSLalit Chandivade struct pci_dev *other_pdev = NULL; 81852232be0dSLalit Chandivade 81862232be0dSLalit Chandivade ql4_printk(KERN_WARNING, ha, "scsi%ld: In %s\n", ha->host_no, __func__); 81872232be0dSLalit Chandivade 81882232be0dSLalit Chandivade set_bit(DPC_RESET_ACTIVE, &ha->dpc_flags); 81892232be0dSLalit Chandivade 81902232be0dSLalit Chandivade if (test_bit(AF_ONLINE, &ha->flags)) { 81912232be0dSLalit Chandivade clear_bit(AF_ONLINE, &ha->flags); 8192b3a271a9SManish Rangankar clear_bit(AF_LINK_UP, &ha->flags); 8193b3a271a9SManish Rangankar iscsi_host_for_each_session(ha->host, qla4xxx_fail_session); 81942232be0dSLalit Chandivade qla4xxx_process_aen(ha, FLUSH_DDB_CHANGED_AENS); 81952232be0dSLalit Chandivade } 81962232be0dSLalit Chandivade 81972232be0dSLalit Chandivade fn = PCI_FUNC(ha->pdev->devfn); 81982232be0dSLalit Chandivade while (fn > 0) { 81992232be0dSLalit Chandivade fn--; 82002232be0dSLalit Chandivade ql4_printk(KERN_INFO, ha, "scsi%ld: %s: Finding PCI device at " 82012232be0dSLalit Chandivade "func %x\n", ha->host_no, __func__, fn); 82022232be0dSLalit Chandivade /* Get the pci device given the domain, bus, 82032232be0dSLalit Chandivade * slot/function number */ 82042232be0dSLalit Chandivade other_pdev = 82052232be0dSLalit Chandivade pci_get_domain_bus_and_slot(pci_domain_nr(ha->pdev->bus), 82062232be0dSLalit Chandivade ha->pdev->bus->number, PCI_DEVFN(PCI_SLOT(ha->pdev->devfn), 82072232be0dSLalit Chandivade fn)); 82082232be0dSLalit Chandivade 82092232be0dSLalit Chandivade if (!other_pdev) 82102232be0dSLalit Chandivade continue; 82112232be0dSLalit Chandivade 82122232be0dSLalit Chandivade if (atomic_read(&other_pdev->enable_cnt)) { 82132232be0dSLalit Chandivade ql4_printk(KERN_INFO, ha, "scsi%ld: %s: Found PCI " 82142232be0dSLalit Chandivade "func in enabled state%x\n", ha->host_no, 82152232be0dSLalit Chandivade __func__, fn); 82162232be0dSLalit Chandivade pci_dev_put(other_pdev); 82172232be0dSLalit Chandivade break; 82182232be0dSLalit Chandivade } 82192232be0dSLalit Chandivade pci_dev_put(other_pdev); 82202232be0dSLalit Chandivade } 82212232be0dSLalit Chandivade 82222232be0dSLalit Chandivade /* The first function on the card, the reset owner will 82232232be0dSLalit Chandivade * start & initialize the firmware. The other functions 82242232be0dSLalit Chandivade * on the card will reset the firmware context 82252232be0dSLalit Chandivade */ 82262232be0dSLalit Chandivade if (!fn) { 82272232be0dSLalit Chandivade ql4_printk(KERN_INFO, ha, "scsi%ld: %s: devfn being reset " 82282232be0dSLalit Chandivade "0x%x is the owner\n", ha->host_no, __func__, 82292232be0dSLalit Chandivade ha->pdev->devfn); 82302232be0dSLalit Chandivade 823133693c7aSVikas Chaudhary ha->isp_ops->idc_lock(ha); 823233693c7aSVikas Chaudhary qla4_8xxx_wr_direct(ha, QLA8XXX_CRB_DEV_STATE, 8233de8c72daSVikas Chaudhary QLA8XXX_DEV_COLD); 823433693c7aSVikas Chaudhary ha->isp_ops->idc_unlock(ha); 82352232be0dSLalit Chandivade 823639c95826SVikas Chaudhary rval = qla4_8xxx_update_idc_reg(ha); 823739c95826SVikas Chaudhary if (rval == QLA_ERROR) { 823839c95826SVikas Chaudhary ql4_printk(KERN_INFO, ha, "scsi%ld: %s: HW State: FAILED\n", 823939c95826SVikas Chaudhary ha->host_no, __func__); 824039c95826SVikas Chaudhary ha->isp_ops->idc_lock(ha); 824139c95826SVikas Chaudhary qla4_8xxx_wr_direct(ha, QLA8XXX_CRB_DEV_STATE, 824239c95826SVikas Chaudhary QLA8XXX_DEV_FAILED); 824339c95826SVikas Chaudhary ha->isp_ops->idc_unlock(ha); 824439c95826SVikas Chaudhary goto exit_error_recovery; 824539c95826SVikas Chaudhary } 82462232be0dSLalit Chandivade 82472232be0dSLalit Chandivade clear_bit(AF_FW_RECOVERY, &ha->flags); 824813483730SMike Christie rval = qla4xxx_initialize_adapter(ha, RESET_ADAPTER); 82492232be0dSLalit Chandivade 82502232be0dSLalit Chandivade if (rval != QLA_SUCCESS) { 82512232be0dSLalit Chandivade ql4_printk(KERN_INFO, ha, "scsi%ld: %s: HW State: " 82522232be0dSLalit Chandivade "FAILED\n", ha->host_no, __func__); 825382761907SPoornima Vonti ha->isp_ops->idc_lock(ha); 82542232be0dSLalit Chandivade qla4_8xxx_clear_drv_active(ha); 825533693c7aSVikas Chaudhary qla4_8xxx_wr_direct(ha, QLA8XXX_CRB_DEV_STATE, 8256de8c72daSVikas Chaudhary QLA8XXX_DEV_FAILED); 825782761907SPoornima Vonti ha->isp_ops->idc_unlock(ha); 82582232be0dSLalit Chandivade } else { 82592232be0dSLalit Chandivade ql4_printk(KERN_INFO, ha, "scsi%ld: %s: HW State: " 82602232be0dSLalit Chandivade "READY\n", ha->host_no, __func__); 826182761907SPoornima Vonti ha->isp_ops->idc_lock(ha); 826233693c7aSVikas Chaudhary qla4_8xxx_wr_direct(ha, QLA8XXX_CRB_DEV_STATE, 8263de8c72daSVikas Chaudhary QLA8XXX_DEV_READY); 82642232be0dSLalit Chandivade /* Clear driver state register */ 826533693c7aSVikas Chaudhary qla4_8xxx_wr_direct(ha, QLA8XXX_CRB_DRV_STATE, 0); 82662232be0dSLalit Chandivade qla4_8xxx_set_drv_active(ha); 826782761907SPoornima Vonti ha->isp_ops->idc_unlock(ha); 82682232be0dSLalit Chandivade ha->isp_ops->enable_intrs(ha); 82692232be0dSLalit Chandivade } 82702232be0dSLalit Chandivade } else { 82712232be0dSLalit Chandivade ql4_printk(KERN_INFO, ha, "scsi%ld: %s: devfn 0x%x is not " 82722232be0dSLalit Chandivade "the reset owner\n", ha->host_no, __func__, 82732232be0dSLalit Chandivade ha->pdev->devfn); 827433693c7aSVikas Chaudhary if ((qla4_8xxx_rd_direct(ha, QLA8XXX_CRB_DEV_STATE) == 8275de8c72daSVikas Chaudhary QLA8XXX_DEV_READY)) { 82762232be0dSLalit Chandivade clear_bit(AF_FW_RECOVERY, &ha->flags); 827713483730SMike Christie rval = qla4xxx_initialize_adapter(ha, RESET_ADAPTER); 8278137257daSPoornima Vonti if (rval == QLA_SUCCESS) 82792232be0dSLalit Chandivade ha->isp_ops->enable_intrs(ha); 8280137257daSPoornima Vonti 828133693c7aSVikas Chaudhary ha->isp_ops->idc_lock(ha); 82822232be0dSLalit Chandivade qla4_8xxx_set_drv_active(ha); 828333693c7aSVikas Chaudhary ha->isp_ops->idc_unlock(ha); 82842232be0dSLalit Chandivade } 82852232be0dSLalit Chandivade } 828639c95826SVikas Chaudhary exit_error_recovery: 82872232be0dSLalit Chandivade clear_bit(DPC_RESET_ACTIVE, &ha->dpc_flags); 82882232be0dSLalit Chandivade return rval; 82892232be0dSLalit Chandivade } 82902232be0dSLalit Chandivade 82912232be0dSLalit Chandivade static pci_ers_result_t 82922232be0dSLalit Chandivade qla4xxx_pci_slot_reset(struct pci_dev *pdev) 82932232be0dSLalit Chandivade { 82942232be0dSLalit Chandivade pci_ers_result_t ret = PCI_ERS_RESULT_DISCONNECT; 82952232be0dSLalit Chandivade struct scsi_qla_host *ha = pci_get_drvdata(pdev); 82962232be0dSLalit Chandivade int rc; 82972232be0dSLalit Chandivade 82982232be0dSLalit Chandivade ql4_printk(KERN_WARNING, ha, "scsi%ld: %s: slot_reset\n", 82992232be0dSLalit Chandivade ha->host_no, __func__); 83002232be0dSLalit Chandivade 83012232be0dSLalit Chandivade if (!is_aer_supported(ha)) 83022232be0dSLalit Chandivade return PCI_ERS_RESULT_NONE; 83032232be0dSLalit Chandivade 83042232be0dSLalit Chandivade /* Restore the saved state of PCIe device - 83052232be0dSLalit Chandivade * BAR registers, PCI Config space, PCIX, MSI, 83062232be0dSLalit Chandivade * IOV states 83072232be0dSLalit Chandivade */ 83082232be0dSLalit Chandivade pci_restore_state(pdev); 83092232be0dSLalit Chandivade 83102232be0dSLalit Chandivade /* pci_restore_state() clears the saved_state flag of the device 83112232be0dSLalit Chandivade * save restored state which resets saved_state flag 83122232be0dSLalit Chandivade */ 83132232be0dSLalit Chandivade pci_save_state(pdev); 83142232be0dSLalit Chandivade 83152232be0dSLalit Chandivade /* Initialize device or resume if in suspended state */ 83162232be0dSLalit Chandivade rc = pci_enable_device(pdev); 83172232be0dSLalit Chandivade if (rc) { 831825985edcSLucas De Marchi ql4_printk(KERN_WARNING, ha, "scsi%ld: %s: Can't re-enable " 83192232be0dSLalit Chandivade "device after reset\n", ha->host_no, __func__); 83202232be0dSLalit Chandivade goto exit_slot_reset; 83212232be0dSLalit Chandivade } 83222232be0dSLalit Chandivade 83237b3595dfSVikas Chaudhary ha->isp_ops->disable_intrs(ha); 83242232be0dSLalit Chandivade 83256e7b4292SVikas Chaudhary if (is_qla80XX(ha)) { 83262232be0dSLalit Chandivade if (qla4_8xxx_error_recovery(ha) == QLA_SUCCESS) { 83272232be0dSLalit Chandivade ret = PCI_ERS_RESULT_RECOVERED; 83282232be0dSLalit Chandivade goto exit_slot_reset; 83292232be0dSLalit Chandivade } else 83302232be0dSLalit Chandivade goto exit_slot_reset; 83312232be0dSLalit Chandivade } 83322232be0dSLalit Chandivade 83332232be0dSLalit Chandivade exit_slot_reset: 83342232be0dSLalit Chandivade ql4_printk(KERN_WARNING, ha, "scsi%ld: %s: Return=%x\n" 83352232be0dSLalit Chandivade "device after reset\n", ha->host_no, __func__, ret); 83362232be0dSLalit Chandivade return ret; 83372232be0dSLalit Chandivade } 83382232be0dSLalit Chandivade 83392232be0dSLalit Chandivade static void 83402232be0dSLalit Chandivade qla4xxx_pci_resume(struct pci_dev *pdev) 83412232be0dSLalit Chandivade { 83422232be0dSLalit Chandivade struct scsi_qla_host *ha = pci_get_drvdata(pdev); 83432232be0dSLalit Chandivade int ret; 83442232be0dSLalit Chandivade 83452232be0dSLalit Chandivade ql4_printk(KERN_WARNING, ha, "scsi%ld: %s: pci_resume\n", 83462232be0dSLalit Chandivade ha->host_no, __func__); 83472232be0dSLalit Chandivade 83482232be0dSLalit Chandivade ret = qla4xxx_wait_for_hba_online(ha); 83492232be0dSLalit Chandivade if (ret != QLA_SUCCESS) { 83502232be0dSLalit Chandivade ql4_printk(KERN_ERR, ha, "scsi%ld: %s: the device failed to " 83512232be0dSLalit Chandivade "resume I/O from slot/link_reset\n", ha->host_no, 83522232be0dSLalit Chandivade __func__); 83532232be0dSLalit Chandivade } 83542232be0dSLalit Chandivade 83552232be0dSLalit Chandivade pci_cleanup_aer_uncorrect_error_status(pdev); 83562232be0dSLalit Chandivade clear_bit(AF_EEH_BUSY, &ha->flags); 83572232be0dSLalit Chandivade } 83582232be0dSLalit Chandivade 8359a55b2d21SStephen Hemminger static const struct pci_error_handlers qla4xxx_err_handler = { 83602232be0dSLalit Chandivade .error_detected = qla4xxx_pci_error_detected, 83612232be0dSLalit Chandivade .mmio_enabled = qla4xxx_pci_mmio_enabled, 83622232be0dSLalit Chandivade .slot_reset = qla4xxx_pci_slot_reset, 83632232be0dSLalit Chandivade .resume = qla4xxx_pci_resume, 83642232be0dSLalit Chandivade }; 83652232be0dSLalit Chandivade 8366afaf5a2dSDavid Somayajulu static struct pci_device_id qla4xxx_pci_tbl[] = { 8367afaf5a2dSDavid Somayajulu { 8368afaf5a2dSDavid Somayajulu .vendor = PCI_VENDOR_ID_QLOGIC, 8369afaf5a2dSDavid Somayajulu .device = PCI_DEVICE_ID_QLOGIC_ISP4010, 8370afaf5a2dSDavid Somayajulu .subvendor = PCI_ANY_ID, 8371afaf5a2dSDavid Somayajulu .subdevice = PCI_ANY_ID, 8372afaf5a2dSDavid Somayajulu }, 8373afaf5a2dSDavid Somayajulu { 8374afaf5a2dSDavid Somayajulu .vendor = PCI_VENDOR_ID_QLOGIC, 8375afaf5a2dSDavid Somayajulu .device = PCI_DEVICE_ID_QLOGIC_ISP4022, 8376afaf5a2dSDavid Somayajulu .subvendor = PCI_ANY_ID, 8377afaf5a2dSDavid Somayajulu .subdevice = PCI_ANY_ID, 8378afaf5a2dSDavid Somayajulu }, 8379d915058fSDavid C Somayajulu { 8380d915058fSDavid C Somayajulu .vendor = PCI_VENDOR_ID_QLOGIC, 8381d915058fSDavid C Somayajulu .device = PCI_DEVICE_ID_QLOGIC_ISP4032, 8382d915058fSDavid C Somayajulu .subvendor = PCI_ANY_ID, 8383d915058fSDavid C Somayajulu .subdevice = PCI_ANY_ID, 8384d915058fSDavid C Somayajulu }, 8385f4f5df23SVikas Chaudhary { 8386f4f5df23SVikas Chaudhary .vendor = PCI_VENDOR_ID_QLOGIC, 8387f4f5df23SVikas Chaudhary .device = PCI_DEVICE_ID_QLOGIC_ISP8022, 8388f4f5df23SVikas Chaudhary .subvendor = PCI_ANY_ID, 8389f4f5df23SVikas Chaudhary .subdevice = PCI_ANY_ID, 8390f4f5df23SVikas Chaudhary }, 83916e7b4292SVikas Chaudhary { 83926e7b4292SVikas Chaudhary .vendor = PCI_VENDOR_ID_QLOGIC, 83936e7b4292SVikas Chaudhary .device = PCI_DEVICE_ID_QLOGIC_ISP8324, 83946e7b4292SVikas Chaudhary .subvendor = PCI_ANY_ID, 83956e7b4292SVikas Chaudhary .subdevice = PCI_ANY_ID, 83966e7b4292SVikas Chaudhary }, 8397b37ca418SVikas Chaudhary { 8398b37ca418SVikas Chaudhary .vendor = PCI_VENDOR_ID_QLOGIC, 8399b37ca418SVikas Chaudhary .device = PCI_DEVICE_ID_QLOGIC_ISP8042, 8400b37ca418SVikas Chaudhary .subvendor = PCI_ANY_ID, 8401b37ca418SVikas Chaudhary .subdevice = PCI_ANY_ID, 8402b37ca418SVikas Chaudhary }, 8403afaf5a2dSDavid Somayajulu {0, 0}, 8404afaf5a2dSDavid Somayajulu }; 8405afaf5a2dSDavid Somayajulu MODULE_DEVICE_TABLE(pci, qla4xxx_pci_tbl); 8406afaf5a2dSDavid Somayajulu 840747975477SAdrian Bunk static struct pci_driver qla4xxx_pci_driver = { 8408afaf5a2dSDavid Somayajulu .name = DRIVER_NAME, 8409afaf5a2dSDavid Somayajulu .id_table = qla4xxx_pci_tbl, 8410afaf5a2dSDavid Somayajulu .probe = qla4xxx_probe_adapter, 8411afaf5a2dSDavid Somayajulu .remove = qla4xxx_remove_adapter, 84122232be0dSLalit Chandivade .err_handler = &qla4xxx_err_handler, 8413afaf5a2dSDavid Somayajulu }; 8414afaf5a2dSDavid Somayajulu 8415afaf5a2dSDavid Somayajulu static int __init qla4xxx_module_init(void) 8416afaf5a2dSDavid Somayajulu { 8417afaf5a2dSDavid Somayajulu int ret; 8418afaf5a2dSDavid Somayajulu 8419afaf5a2dSDavid Somayajulu /* Allocate cache for SRBs. */ 8420afaf5a2dSDavid Somayajulu srb_cachep = kmem_cache_create("qla4xxx_srbs", sizeof(struct srb), 0, 842120c2df83SPaul Mundt SLAB_HWCACHE_ALIGN, NULL); 8422afaf5a2dSDavid Somayajulu if (srb_cachep == NULL) { 8423afaf5a2dSDavid Somayajulu printk(KERN_ERR 8424afaf5a2dSDavid Somayajulu "%s: Unable to allocate SRB cache..." 8425afaf5a2dSDavid Somayajulu "Failing load!\n", DRIVER_NAME); 8426afaf5a2dSDavid Somayajulu ret = -ENOMEM; 8427afaf5a2dSDavid Somayajulu goto no_srp_cache; 8428afaf5a2dSDavid Somayajulu } 8429afaf5a2dSDavid Somayajulu 8430afaf5a2dSDavid Somayajulu /* Derive version string. */ 8431afaf5a2dSDavid Somayajulu strcpy(qla4xxx_version_str, QLA4XXX_DRIVER_VERSION); 843211010fecSAndrew Vasquez if (ql4xextended_error_logging) 8433afaf5a2dSDavid Somayajulu strcat(qla4xxx_version_str, "-debug"); 8434afaf5a2dSDavid Somayajulu 8435afaf5a2dSDavid Somayajulu qla4xxx_scsi_transport = 8436afaf5a2dSDavid Somayajulu iscsi_register_transport(&qla4xxx_iscsi_transport); 8437afaf5a2dSDavid Somayajulu if (!qla4xxx_scsi_transport){ 8438afaf5a2dSDavid Somayajulu ret = -ENODEV; 8439afaf5a2dSDavid Somayajulu goto release_srb_cache; 8440afaf5a2dSDavid Somayajulu } 8441afaf5a2dSDavid Somayajulu 8442afaf5a2dSDavid Somayajulu ret = pci_register_driver(&qla4xxx_pci_driver); 8443afaf5a2dSDavid Somayajulu if (ret) 8444afaf5a2dSDavid Somayajulu goto unregister_transport; 8445afaf5a2dSDavid Somayajulu 8446afaf5a2dSDavid Somayajulu printk(KERN_INFO "QLogic iSCSI HBA Driver\n"); 8447afaf5a2dSDavid Somayajulu return 0; 84485ae16db3SDoug Maxey 8449afaf5a2dSDavid Somayajulu unregister_transport: 8450afaf5a2dSDavid Somayajulu iscsi_unregister_transport(&qla4xxx_iscsi_transport); 8451afaf5a2dSDavid Somayajulu release_srb_cache: 8452afaf5a2dSDavid Somayajulu kmem_cache_destroy(srb_cachep); 8453afaf5a2dSDavid Somayajulu no_srp_cache: 8454afaf5a2dSDavid Somayajulu return ret; 8455afaf5a2dSDavid Somayajulu } 8456afaf5a2dSDavid Somayajulu 8457afaf5a2dSDavid Somayajulu static void __exit qla4xxx_module_exit(void) 8458afaf5a2dSDavid Somayajulu { 8459afaf5a2dSDavid Somayajulu pci_unregister_driver(&qla4xxx_pci_driver); 8460afaf5a2dSDavid Somayajulu iscsi_unregister_transport(&qla4xxx_iscsi_transport); 8461afaf5a2dSDavid Somayajulu kmem_cache_destroy(srb_cachep); 8462afaf5a2dSDavid Somayajulu } 8463afaf5a2dSDavid Somayajulu 8464afaf5a2dSDavid Somayajulu module_init(qla4xxx_module_init); 8465afaf5a2dSDavid Somayajulu module_exit(qla4xxx_module_exit); 8466afaf5a2dSDavid Somayajulu 8467afaf5a2dSDavid Somayajulu MODULE_AUTHOR("QLogic Corporation"); 8468afaf5a2dSDavid Somayajulu MODULE_DESCRIPTION("QLogic iSCSI HBA Driver"); 8469afaf5a2dSDavid Somayajulu MODULE_LICENSE("GPL"); 8470afaf5a2dSDavid Somayajulu MODULE_VERSION(QLA4XXX_DRIVER_VERSION); 8471