1afaf5a2dSDavid Somayajulu /* 2afaf5a2dSDavid Somayajulu * QLogic iSCSI HBA Driver 3c68cdbf0SVikas Chaudhary * Copyright (c) 2003-2012 QLogic Corporation 4afaf5a2dSDavid Somayajulu * 5afaf5a2dSDavid Somayajulu * See LICENSE.qla4xxx for copyright and licensing details. 6afaf5a2dSDavid Somayajulu */ 7afaf5a2dSDavid Somayajulu #include <linux/moduleparam.h> 85a0e3ad6STejun Heo #include <linux/slab.h> 92a991c21SManish Rangankar #include <linux/blkdev.h> 102a991c21SManish Rangankar #include <linux/iscsi_boot_sysfs.h> 1113483730SMike Christie #include <linux/inet.h> 12afaf5a2dSDavid Somayajulu 13afaf5a2dSDavid Somayajulu #include <scsi/scsi_tcq.h> 14afaf5a2dSDavid Somayajulu #include <scsi/scsicam.h> 15afaf5a2dSDavid Somayajulu 16afaf5a2dSDavid Somayajulu #include "ql4_def.h" 17bee4fe8eSDavid C Somayajulu #include "ql4_version.h" 18bee4fe8eSDavid C Somayajulu #include "ql4_glbl.h" 19bee4fe8eSDavid C Somayajulu #include "ql4_dbg.h" 20bee4fe8eSDavid C Somayajulu #include "ql4_inline.h" 216e7b4292SVikas Chaudhary #include "ql4_83xx.h" 22afaf5a2dSDavid Somayajulu 23afaf5a2dSDavid Somayajulu /* 24afaf5a2dSDavid Somayajulu * Driver version 25afaf5a2dSDavid Somayajulu */ 2647975477SAdrian Bunk static char qla4xxx_version_str[40]; 27afaf5a2dSDavid Somayajulu 28afaf5a2dSDavid Somayajulu /* 29afaf5a2dSDavid Somayajulu * SRB allocation cache 30afaf5a2dSDavid Somayajulu */ 31e18b890bSChristoph Lameter static struct kmem_cache *srb_cachep; 32afaf5a2dSDavid Somayajulu 33afaf5a2dSDavid Somayajulu /* 34afaf5a2dSDavid Somayajulu * Module parameter information and variables 35afaf5a2dSDavid Somayajulu */ 36a7380a65SVikas Chaudhary static int ql4xdisablesysfsboot = 1; 3713483730SMike Christie module_param(ql4xdisablesysfsboot, int, S_IRUGO | S_IWUSR); 3813483730SMike Christie MODULE_PARM_DESC(ql4xdisablesysfsboot, 39a4e8a715SKaren Higgins " Set to disable exporting boot targets to sysfs.\n" 40a4e8a715SKaren Higgins "\t\t 0 - Export boot targets\n" 41a4e8a715SKaren Higgins "\t\t 1 - Do not export boot targets (Default)"); 4213483730SMike Christie 433573bfb2SVikas Chaudhary int ql4xdontresethba; 44f4f5df23SVikas Chaudhary module_param(ql4xdontresethba, int, S_IRUGO | S_IWUSR); 45afaf5a2dSDavid Somayajulu MODULE_PARM_DESC(ql4xdontresethba, 46a4e8a715SKaren Higgins " Don't reset the HBA for driver recovery.\n" 47a4e8a715SKaren Higgins "\t\t 0 - It will reset HBA (Default)\n" 48a4e8a715SKaren Higgins "\t\t 1 - It will NOT reset HBA"); 49afaf5a2dSDavid Somayajulu 50a4e8a715SKaren Higgins int ql4xextended_error_logging; 51f4f5df23SVikas Chaudhary module_param(ql4xextended_error_logging, int, S_IRUGO | S_IWUSR); 5211010fecSAndrew Vasquez MODULE_PARM_DESC(ql4xextended_error_logging, 53a4e8a715SKaren Higgins " Option to enable extended error logging.\n" 54a4e8a715SKaren Higgins "\t\t 0 - no logging (Default)\n" 55a4e8a715SKaren Higgins "\t\t 2 - debug logging"); 56afaf5a2dSDavid Somayajulu 57f4f5df23SVikas Chaudhary int ql4xenablemsix = 1; 58f4f5df23SVikas Chaudhary module_param(ql4xenablemsix, int, S_IRUGO|S_IWUSR); 59f4f5df23SVikas Chaudhary MODULE_PARM_DESC(ql4xenablemsix, 60f4f5df23SVikas Chaudhary " Set to enable MSI or MSI-X interrupt mechanism.\n" 61a4e8a715SKaren Higgins "\t\t 0 = enable INTx interrupt mechanism.\n" 62a4e8a715SKaren Higgins "\t\t 1 = enable MSI-X interrupt mechanism (Default).\n" 63a4e8a715SKaren Higgins "\t\t 2 = enable MSI interrupt mechanism."); 64477ffb9dSDavid C Somayajulu 65d510d965SMike Christie #define QL4_DEF_QDEPTH 32 668bb4033dSVikas Chaudhary static int ql4xmaxqdepth = QL4_DEF_QDEPTH; 678bb4033dSVikas Chaudhary module_param(ql4xmaxqdepth, int, S_IRUGO | S_IWUSR); 688bb4033dSVikas Chaudhary MODULE_PARM_DESC(ql4xmaxqdepth, 698bb4033dSVikas Chaudhary " Maximum queue depth to report for target devices.\n" 70a4e8a715SKaren Higgins "\t\t Default: 32."); 71d510d965SMike Christie 72f7b4aa63STej Parkash static int ql4xqfulltracking = 1; 73f7b4aa63STej Parkash module_param(ql4xqfulltracking, int, S_IRUGO | S_IWUSR); 74f7b4aa63STej Parkash MODULE_PARM_DESC(ql4xqfulltracking, 75f7b4aa63STej Parkash " Enable or disable dynamic tracking and adjustment of\n" 76f7b4aa63STej Parkash "\t\t scsi device queue depth.\n" 77f7b4aa63STej Parkash "\t\t 0 - Disable.\n" 78f7b4aa63STej Parkash "\t\t 1 - Enable. (Default)"); 79f7b4aa63STej Parkash 803038727cSVikas Chaudhary static int ql4xsess_recovery_tmo = QL4_SESS_RECOVERY_TMO; 813038727cSVikas Chaudhary module_param(ql4xsess_recovery_tmo, int, S_IRUGO); 823038727cSVikas Chaudhary MODULE_PARM_DESC(ql4xsess_recovery_tmo, 833038727cSVikas Chaudhary " Target Session Recovery Timeout.\n" 84a4e8a715SKaren Higgins "\t\t Default: 120 sec."); 853038727cSVikas Chaudhary 86068237c8STej Parkash int ql4xmdcapmask = 0x1F; 87068237c8STej Parkash module_param(ql4xmdcapmask, int, S_IRUGO); 88068237c8STej Parkash MODULE_PARM_DESC(ql4xmdcapmask, 89068237c8STej Parkash " Set the Minidump driver capture mask level.\n" 90068237c8STej Parkash "\t\t Default is 0x1F.\n" 91068237c8STej Parkash "\t\t Can be set to 0x3, 0x7, 0xF, 0x1F, 0x3F, 0x7F"); 92068237c8STej Parkash 93068237c8STej Parkash int ql4xenablemd = 1; 94068237c8STej Parkash module_param(ql4xenablemd, int, S_IRUGO | S_IWUSR); 95068237c8STej Parkash MODULE_PARM_DESC(ql4xenablemd, 96068237c8STej Parkash " Set to enable minidump.\n" 97068237c8STej Parkash "\t\t 0 - disable minidump\n" 98068237c8STej Parkash "\t\t 1 - enable minidump (Default)"); 99068237c8STej Parkash 100b3a271a9SManish Rangankar static int qla4xxx_wait_for_hba_online(struct scsi_qla_host *ha); 101afaf5a2dSDavid Somayajulu /* 102afaf5a2dSDavid Somayajulu * SCSI host template entry points 103afaf5a2dSDavid Somayajulu */ 10447975477SAdrian Bunk static void qla4xxx_config_dma_addressing(struct scsi_qla_host *ha); 105afaf5a2dSDavid Somayajulu 106afaf5a2dSDavid Somayajulu /* 107afaf5a2dSDavid Somayajulu * iSCSI template entry points 108afaf5a2dSDavid Somayajulu */ 109fca9f04dSMike Christie static int qla4xxx_session_get_param(struct iscsi_cls_session *cls_sess, 110fca9f04dSMike Christie enum iscsi_param param, char *buf); 111afaf5a2dSDavid Somayajulu static int qla4xxx_conn_get_param(struct iscsi_cls_conn *conn, 112afaf5a2dSDavid Somayajulu enum iscsi_param param, char *buf); 113aa1e93a2SMike Christie static int qla4xxx_host_get_param(struct Scsi_Host *shost, 114aa1e93a2SMike Christie enum iscsi_host_param param, char *buf); 11500c31889SMike Christie static int qla4xxx_iface_set_param(struct Scsi_Host *shost, void *data, 11600c31889SMike Christie uint32_t len); 117ed1086e0SVikas Chaudhary static int qla4xxx_get_iface_param(struct iscsi_iface *iface, 118ed1086e0SVikas Chaudhary enum iscsi_param_type param_type, 119ed1086e0SVikas Chaudhary int param, char *buf); 1205c656af7SMike Christie static enum blk_eh_timer_return qla4xxx_eh_cmd_timed_out(struct scsi_cmnd *sc); 121b3a271a9SManish Rangankar static struct iscsi_endpoint *qla4xxx_ep_connect(struct Scsi_Host *shost, 122b3a271a9SManish Rangankar struct sockaddr *dst_addr, 123b3a271a9SManish Rangankar int non_blocking); 124b3a271a9SManish Rangankar static int qla4xxx_ep_poll(struct iscsi_endpoint *ep, int timeout_ms); 125b3a271a9SManish Rangankar static void qla4xxx_ep_disconnect(struct iscsi_endpoint *ep); 126b3a271a9SManish Rangankar static int qla4xxx_get_ep_param(struct iscsi_endpoint *ep, 127b3a271a9SManish Rangankar enum iscsi_param param, char *buf); 128b3a271a9SManish Rangankar static int qla4xxx_conn_start(struct iscsi_cls_conn *conn); 129b3a271a9SManish Rangankar static struct iscsi_cls_conn * 130b3a271a9SManish Rangankar qla4xxx_conn_create(struct iscsi_cls_session *cls_sess, uint32_t conn_idx); 131b3a271a9SManish Rangankar static int qla4xxx_conn_bind(struct iscsi_cls_session *cls_session, 132b3a271a9SManish Rangankar struct iscsi_cls_conn *cls_conn, 133b3a271a9SManish Rangankar uint64_t transport_fd, int is_leading); 134b3a271a9SManish Rangankar static void qla4xxx_conn_destroy(struct iscsi_cls_conn *conn); 135b3a271a9SManish Rangankar static struct iscsi_cls_session * 136b3a271a9SManish Rangankar qla4xxx_session_create(struct iscsi_endpoint *ep, uint16_t cmds_max, 137b3a271a9SManish Rangankar uint16_t qdepth, uint32_t initial_cmdsn); 138b3a271a9SManish Rangankar static void qla4xxx_session_destroy(struct iscsi_cls_session *sess); 139b3a271a9SManish Rangankar static void qla4xxx_task_work(struct work_struct *wdata); 140b3a271a9SManish Rangankar static int qla4xxx_alloc_pdu(struct iscsi_task *, uint8_t); 141b3a271a9SManish Rangankar static int qla4xxx_task_xmit(struct iscsi_task *); 142b3a271a9SManish Rangankar static void qla4xxx_task_cleanup(struct iscsi_task *); 143b3a271a9SManish Rangankar static void qla4xxx_fail_session(struct iscsi_cls_session *cls_session); 144b3a271a9SManish Rangankar static void qla4xxx_conn_get_stats(struct iscsi_cls_conn *cls_conn, 145b3a271a9SManish Rangankar struct iscsi_stats *stats); 146c0b9d3f7SVikas Chaudhary static int qla4xxx_send_ping(struct Scsi_Host *shost, uint32_t iface_num, 147c0b9d3f7SVikas Chaudhary uint32_t iface_type, uint32_t payload_size, 148c0b9d3f7SVikas Chaudhary uint32_t pid, struct sockaddr *dst_addr); 149376738afSNilesh Javali static int qla4xxx_get_chap_list(struct Scsi_Host *shost, uint16_t chap_tbl_idx, 150376738afSNilesh Javali uint32_t *num_entries, char *buf); 151376738afSNilesh Javali static int qla4xxx_delete_chap(struct Scsi_Host *shost, uint16_t chap_tbl_idx); 152c0b9d3f7SVikas Chaudhary 153afaf5a2dSDavid Somayajulu /* 154afaf5a2dSDavid Somayajulu * SCSI host template entry points 155afaf5a2dSDavid Somayajulu */ 156f281233dSJeff Garzik static int qla4xxx_queuecommand(struct Scsi_Host *h, struct scsi_cmnd *cmd); 15709a0f719SVikas Chaudhary static int qla4xxx_eh_abort(struct scsi_cmnd *cmd); 158afaf5a2dSDavid Somayajulu static int qla4xxx_eh_device_reset(struct scsi_cmnd *cmd); 159ce545039SMike Christie static int qla4xxx_eh_target_reset(struct scsi_cmnd *cmd); 160afaf5a2dSDavid Somayajulu static int qla4xxx_eh_host_reset(struct scsi_cmnd *cmd); 161afaf5a2dSDavid Somayajulu static int qla4xxx_slave_alloc(struct scsi_device *device); 162afaf5a2dSDavid Somayajulu static int qla4xxx_slave_configure(struct scsi_device *device); 163afaf5a2dSDavid Somayajulu static void qla4xxx_slave_destroy(struct scsi_device *sdev); 1645e9bcec7SVikas Chaudhary static umode_t qla4_attr_is_visible(int param_type, int param); 16595d31262SVikas Chaudhary static int qla4xxx_host_reset(struct Scsi_Host *shost, int reset_type); 166f7b4aa63STej Parkash static int qla4xxx_change_queue_depth(struct scsi_device *sdev, int qdepth, 167f7b4aa63STej Parkash int reason); 168afaf5a2dSDavid Somayajulu 169f4f5df23SVikas Chaudhary static struct qla4_8xxx_legacy_intr_set legacy_intr[] = 170f4f5df23SVikas Chaudhary QLA82XX_LEGACY_INTR_CONFIG; 171f4f5df23SVikas Chaudhary 172afaf5a2dSDavid Somayajulu static struct scsi_host_template qla4xxx_driver_template = { 173afaf5a2dSDavid Somayajulu .module = THIS_MODULE, 174afaf5a2dSDavid Somayajulu .name = DRIVER_NAME, 175afaf5a2dSDavid Somayajulu .proc_name = DRIVER_NAME, 176afaf5a2dSDavid Somayajulu .queuecommand = qla4xxx_queuecommand, 177afaf5a2dSDavid Somayajulu 17809a0f719SVikas Chaudhary .eh_abort_handler = qla4xxx_eh_abort, 179afaf5a2dSDavid Somayajulu .eh_device_reset_handler = qla4xxx_eh_device_reset, 180ce545039SMike Christie .eh_target_reset_handler = qla4xxx_eh_target_reset, 181afaf5a2dSDavid Somayajulu .eh_host_reset_handler = qla4xxx_eh_host_reset, 1825c656af7SMike Christie .eh_timed_out = qla4xxx_eh_cmd_timed_out, 183afaf5a2dSDavid Somayajulu 184afaf5a2dSDavid Somayajulu .slave_configure = qla4xxx_slave_configure, 185afaf5a2dSDavid Somayajulu .slave_alloc = qla4xxx_slave_alloc, 186afaf5a2dSDavid Somayajulu .slave_destroy = qla4xxx_slave_destroy, 187f7b4aa63STej Parkash .change_queue_depth = qla4xxx_change_queue_depth, 188afaf5a2dSDavid Somayajulu 189afaf5a2dSDavid Somayajulu .this_id = -1, 190afaf5a2dSDavid Somayajulu .cmd_per_lun = 3, 191afaf5a2dSDavid Somayajulu .use_clustering = ENABLE_CLUSTERING, 192afaf5a2dSDavid Somayajulu .sg_tablesize = SG_ALL, 193afaf5a2dSDavid Somayajulu 194afaf5a2dSDavid Somayajulu .max_sectors = 0xFFFF, 1957ad633c0SHarish Zunjarrao .shost_attrs = qla4xxx_host_attrs, 19695d31262SVikas Chaudhary .host_reset = qla4xxx_host_reset, 197a355943cSVikas Chaudhary .vendor_id = SCSI_NL_VID_TYPE_PCI | PCI_VENDOR_ID_QLOGIC, 198afaf5a2dSDavid Somayajulu }; 199afaf5a2dSDavid Somayajulu 200afaf5a2dSDavid Somayajulu static struct iscsi_transport qla4xxx_iscsi_transport = { 201afaf5a2dSDavid Somayajulu .owner = THIS_MODULE, 202afaf5a2dSDavid Somayajulu .name = DRIVER_NAME, 203b3a271a9SManish Rangankar .caps = CAP_TEXT_NEGO | 204b3a271a9SManish Rangankar CAP_DATA_PATH_OFFLOAD | CAP_HDRDGST | 205b3a271a9SManish Rangankar CAP_DATADGST | CAP_LOGIN_OFFLOAD | 206b3a271a9SManish Rangankar CAP_MULTI_R2T, 2075e9bcec7SVikas Chaudhary .attr_is_visible = qla4_attr_is_visible, 208b3a271a9SManish Rangankar .create_session = qla4xxx_session_create, 209b3a271a9SManish Rangankar .destroy_session = qla4xxx_session_destroy, 210b3a271a9SManish Rangankar .start_conn = qla4xxx_conn_start, 211b3a271a9SManish Rangankar .create_conn = qla4xxx_conn_create, 212b3a271a9SManish Rangankar .bind_conn = qla4xxx_conn_bind, 213b3a271a9SManish Rangankar .stop_conn = iscsi_conn_stop, 214b3a271a9SManish Rangankar .destroy_conn = qla4xxx_conn_destroy, 215b3a271a9SManish Rangankar .set_param = iscsi_set_param, 216afaf5a2dSDavid Somayajulu .get_conn_param = qla4xxx_conn_get_param, 217fca9f04dSMike Christie .get_session_param = qla4xxx_session_get_param, 218b3a271a9SManish Rangankar .get_ep_param = qla4xxx_get_ep_param, 219b3a271a9SManish Rangankar .ep_connect = qla4xxx_ep_connect, 220b3a271a9SManish Rangankar .ep_poll = qla4xxx_ep_poll, 221b3a271a9SManish Rangankar .ep_disconnect = qla4xxx_ep_disconnect, 222b3a271a9SManish Rangankar .get_stats = qla4xxx_conn_get_stats, 223b3a271a9SManish Rangankar .send_pdu = iscsi_conn_send_pdu, 224b3a271a9SManish Rangankar .xmit_task = qla4xxx_task_xmit, 225b3a271a9SManish Rangankar .cleanup_task = qla4xxx_task_cleanup, 226b3a271a9SManish Rangankar .alloc_pdu = qla4xxx_alloc_pdu, 227b3a271a9SManish Rangankar 228aa1e93a2SMike Christie .get_host_param = qla4xxx_host_get_param, 229d00efe3fSMike Christie .set_iface_param = qla4xxx_iface_set_param, 230ed1086e0SVikas Chaudhary .get_iface_param = qla4xxx_get_iface_param, 231a355943cSVikas Chaudhary .bsg_request = qla4xxx_bsg_request, 232c0b9d3f7SVikas Chaudhary .send_ping = qla4xxx_send_ping, 233376738afSNilesh Javali .get_chap = qla4xxx_get_chap_list, 234376738afSNilesh Javali .delete_chap = qla4xxx_delete_chap, 235afaf5a2dSDavid Somayajulu }; 236afaf5a2dSDavid Somayajulu 237afaf5a2dSDavid Somayajulu static struct scsi_transport_template *qla4xxx_scsi_transport; 238afaf5a2dSDavid Somayajulu 239c0b9d3f7SVikas Chaudhary static int qla4xxx_send_ping(struct Scsi_Host *shost, uint32_t iface_num, 240c0b9d3f7SVikas Chaudhary uint32_t iface_type, uint32_t payload_size, 241c0b9d3f7SVikas Chaudhary uint32_t pid, struct sockaddr *dst_addr) 242c0b9d3f7SVikas Chaudhary { 243c0b9d3f7SVikas Chaudhary struct scsi_qla_host *ha = to_qla_host(shost); 244c0b9d3f7SVikas Chaudhary struct sockaddr_in *addr; 245c0b9d3f7SVikas Chaudhary struct sockaddr_in6 *addr6; 246c0b9d3f7SVikas Chaudhary uint32_t options = 0; 247c0b9d3f7SVikas Chaudhary uint8_t ipaddr[IPv6_ADDR_LEN]; 248c0b9d3f7SVikas Chaudhary int rval; 249c0b9d3f7SVikas Chaudhary 250c0b9d3f7SVikas Chaudhary memset(ipaddr, 0, IPv6_ADDR_LEN); 251c0b9d3f7SVikas Chaudhary /* IPv4 to IPv4 */ 252c0b9d3f7SVikas Chaudhary if ((iface_type == ISCSI_IFACE_TYPE_IPV4) && 253c0b9d3f7SVikas Chaudhary (dst_addr->sa_family == AF_INET)) { 254c0b9d3f7SVikas Chaudhary addr = (struct sockaddr_in *)dst_addr; 255c0b9d3f7SVikas Chaudhary memcpy(ipaddr, &addr->sin_addr.s_addr, IP_ADDR_LEN); 256c0b9d3f7SVikas Chaudhary DEBUG2(ql4_printk(KERN_INFO, ha, "%s: IPv4 Ping src: %pI4 " 257c0b9d3f7SVikas Chaudhary "dest: %pI4\n", __func__, 258c0b9d3f7SVikas Chaudhary &ha->ip_config.ip_address, ipaddr)); 259c0b9d3f7SVikas Chaudhary rval = qla4xxx_ping_iocb(ha, options, payload_size, pid, 260c0b9d3f7SVikas Chaudhary ipaddr); 261c0b9d3f7SVikas Chaudhary if (rval) 262c0b9d3f7SVikas Chaudhary rval = -EINVAL; 263c0b9d3f7SVikas Chaudhary } else if ((iface_type == ISCSI_IFACE_TYPE_IPV6) && 264c0b9d3f7SVikas Chaudhary (dst_addr->sa_family == AF_INET6)) { 265c0b9d3f7SVikas Chaudhary /* IPv6 to IPv6 */ 266c0b9d3f7SVikas Chaudhary addr6 = (struct sockaddr_in6 *)dst_addr; 267c0b9d3f7SVikas Chaudhary memcpy(ipaddr, &addr6->sin6_addr.in6_u.u6_addr8, IPv6_ADDR_LEN); 268c0b9d3f7SVikas Chaudhary 269c0b9d3f7SVikas Chaudhary options |= PING_IPV6_PROTOCOL_ENABLE; 270c0b9d3f7SVikas Chaudhary 271c0b9d3f7SVikas Chaudhary /* Ping using LinkLocal address */ 272c0b9d3f7SVikas Chaudhary if ((iface_num == 0) || (iface_num == 1)) { 273c0b9d3f7SVikas Chaudhary DEBUG2(ql4_printk(KERN_INFO, ha, "%s: LinkLocal Ping " 274c0b9d3f7SVikas Chaudhary "src: %pI6 dest: %pI6\n", __func__, 275c0b9d3f7SVikas Chaudhary &ha->ip_config.ipv6_link_local_addr, 276c0b9d3f7SVikas Chaudhary ipaddr)); 277c0b9d3f7SVikas Chaudhary options |= PING_IPV6_LINKLOCAL_ADDR; 278c0b9d3f7SVikas Chaudhary rval = qla4xxx_ping_iocb(ha, options, payload_size, 279c0b9d3f7SVikas Chaudhary pid, ipaddr); 280c0b9d3f7SVikas Chaudhary } else { 281c0b9d3f7SVikas Chaudhary ql4_printk(KERN_WARNING, ha, "%s: iface num = %d " 282c0b9d3f7SVikas Chaudhary "not supported\n", __func__, iface_num); 283c0b9d3f7SVikas Chaudhary rval = -ENOSYS; 284c0b9d3f7SVikas Chaudhary goto exit_send_ping; 285c0b9d3f7SVikas Chaudhary } 286c0b9d3f7SVikas Chaudhary 287c0b9d3f7SVikas Chaudhary /* 288c0b9d3f7SVikas Chaudhary * If ping using LinkLocal address fails, try ping using 289c0b9d3f7SVikas Chaudhary * IPv6 address 290c0b9d3f7SVikas Chaudhary */ 291c0b9d3f7SVikas Chaudhary if (rval != QLA_SUCCESS) { 292c0b9d3f7SVikas Chaudhary options &= ~PING_IPV6_LINKLOCAL_ADDR; 293c0b9d3f7SVikas Chaudhary if (iface_num == 0) { 294c0b9d3f7SVikas Chaudhary options |= PING_IPV6_ADDR0; 295c0b9d3f7SVikas Chaudhary DEBUG2(ql4_printk(KERN_INFO, ha, "%s: IPv6 " 296c0b9d3f7SVikas Chaudhary "Ping src: %pI6 " 297c0b9d3f7SVikas Chaudhary "dest: %pI6\n", __func__, 298c0b9d3f7SVikas Chaudhary &ha->ip_config.ipv6_addr0, 299c0b9d3f7SVikas Chaudhary ipaddr)); 300c0b9d3f7SVikas Chaudhary } else if (iface_num == 1) { 301c0b9d3f7SVikas Chaudhary options |= PING_IPV6_ADDR1; 302c0b9d3f7SVikas Chaudhary DEBUG2(ql4_printk(KERN_INFO, ha, "%s: IPv6 " 303c0b9d3f7SVikas Chaudhary "Ping src: %pI6 " 304c0b9d3f7SVikas Chaudhary "dest: %pI6\n", __func__, 305c0b9d3f7SVikas Chaudhary &ha->ip_config.ipv6_addr1, 306c0b9d3f7SVikas Chaudhary ipaddr)); 307c0b9d3f7SVikas Chaudhary } 308c0b9d3f7SVikas Chaudhary rval = qla4xxx_ping_iocb(ha, options, payload_size, 309c0b9d3f7SVikas Chaudhary pid, ipaddr); 310c0b9d3f7SVikas Chaudhary if (rval) 311c0b9d3f7SVikas Chaudhary rval = -EINVAL; 312c0b9d3f7SVikas Chaudhary } 313c0b9d3f7SVikas Chaudhary } else 314c0b9d3f7SVikas Chaudhary rval = -ENOSYS; 315c0b9d3f7SVikas Chaudhary exit_send_ping: 316c0b9d3f7SVikas Chaudhary return rval; 317c0b9d3f7SVikas Chaudhary } 318c0b9d3f7SVikas Chaudhary 3195e9bcec7SVikas Chaudhary static umode_t qla4_attr_is_visible(int param_type, int param) 3203128c6c7SMike Christie { 3213128c6c7SMike Christie switch (param_type) { 322f27fb2efSMike Christie case ISCSI_HOST_PARAM: 323f27fb2efSMike Christie switch (param) { 324f27fb2efSMike Christie case ISCSI_HOST_PARAM_HWADDRESS: 325f27fb2efSMike Christie case ISCSI_HOST_PARAM_IPADDRESS: 326f27fb2efSMike Christie case ISCSI_HOST_PARAM_INITIATOR_NAME: 3273254dbe9SVikas Chaudhary case ISCSI_HOST_PARAM_PORT_STATE: 3283254dbe9SVikas Chaudhary case ISCSI_HOST_PARAM_PORT_SPEED: 329f27fb2efSMike Christie return S_IRUGO; 330f27fb2efSMike Christie default: 331f27fb2efSMike Christie return 0; 332f27fb2efSMike Christie } 3333128c6c7SMike Christie case ISCSI_PARAM: 3343128c6c7SMike Christie switch (param) { 335590134faSMike Christie case ISCSI_PARAM_PERSISTENT_ADDRESS: 336590134faSMike Christie case ISCSI_PARAM_PERSISTENT_PORT: 3373128c6c7SMike Christie case ISCSI_PARAM_CONN_ADDRESS: 3383128c6c7SMike Christie case ISCSI_PARAM_CONN_PORT: 3391d063c17SMike Christie case ISCSI_PARAM_TARGET_NAME: 3401d063c17SMike Christie case ISCSI_PARAM_TPGT: 3411d063c17SMike Christie case ISCSI_PARAM_TARGET_ALIAS: 342b3a271a9SManish Rangankar case ISCSI_PARAM_MAX_BURST: 343b3a271a9SManish Rangankar case ISCSI_PARAM_MAX_R2T: 344b3a271a9SManish Rangankar case ISCSI_PARAM_FIRST_BURST: 345b3a271a9SManish Rangankar case ISCSI_PARAM_MAX_RECV_DLENGTH: 346b3a271a9SManish Rangankar case ISCSI_PARAM_MAX_XMIT_DLENGTH: 347de37920bSMike Christie case ISCSI_PARAM_IFACE_NAME: 348fca9f04dSMike Christie case ISCSI_PARAM_CHAP_OUT_IDX: 349fca9f04dSMike Christie case ISCSI_PARAM_CHAP_IN_IDX: 350fca9f04dSMike Christie case ISCSI_PARAM_USERNAME: 351fca9f04dSMike Christie case ISCSI_PARAM_PASSWORD: 352fca9f04dSMike Christie case ISCSI_PARAM_USERNAME_IN: 353fca9f04dSMike Christie case ISCSI_PARAM_PASSWORD_IN: 3543128c6c7SMike Christie return S_IRUGO; 3553128c6c7SMike Christie default: 3563128c6c7SMike Christie return 0; 3573128c6c7SMike Christie } 358b78dbba0SMike Christie case ISCSI_NET_PARAM: 359b78dbba0SMike Christie switch (param) { 360b78dbba0SMike Christie case ISCSI_NET_PARAM_IPV4_ADDR: 361b78dbba0SMike Christie case ISCSI_NET_PARAM_IPV4_SUBNET: 362b78dbba0SMike Christie case ISCSI_NET_PARAM_IPV4_GW: 363b78dbba0SMike Christie case ISCSI_NET_PARAM_IPV4_BOOTPROTO: 364b78dbba0SMike Christie case ISCSI_NET_PARAM_IFACE_ENABLE: 365b78dbba0SMike Christie case ISCSI_NET_PARAM_IPV6_LINKLOCAL: 366b78dbba0SMike Christie case ISCSI_NET_PARAM_IPV6_ADDR: 367b78dbba0SMike Christie case ISCSI_NET_PARAM_IPV6_ROUTER: 368b78dbba0SMike Christie case ISCSI_NET_PARAM_IPV6_ADDR_AUTOCFG: 369b78dbba0SMike Christie case ISCSI_NET_PARAM_IPV6_LINKLOCAL_AUTOCFG: 3706ac73e8cSVikas Chaudhary case ISCSI_NET_PARAM_VLAN_ID: 3716ac73e8cSVikas Chaudhary case ISCSI_NET_PARAM_VLAN_PRIORITY: 3726ac73e8cSVikas Chaudhary case ISCSI_NET_PARAM_VLAN_ENABLED: 373943c157bSVikas Chaudhary case ISCSI_NET_PARAM_MTU: 3742ada7fc5SVikas Chaudhary case ISCSI_NET_PARAM_PORT: 375b78dbba0SMike Christie return S_IRUGO; 376b78dbba0SMike Christie default: 377b78dbba0SMike Christie return 0; 378b78dbba0SMike Christie } 3793128c6c7SMike Christie } 3803128c6c7SMike Christie 3813128c6c7SMike Christie return 0; 3823128c6c7SMike Christie } 3833128c6c7SMike Christie 384376738afSNilesh Javali static int qla4xxx_get_chap_list(struct Scsi_Host *shost, uint16_t chap_tbl_idx, 385376738afSNilesh Javali uint32_t *num_entries, char *buf) 386376738afSNilesh Javali { 387376738afSNilesh Javali struct scsi_qla_host *ha = to_qla_host(shost); 388376738afSNilesh Javali struct ql4_chap_table *chap_table; 389376738afSNilesh Javali struct iscsi_chap_rec *chap_rec; 390376738afSNilesh Javali int max_chap_entries = 0; 391376738afSNilesh Javali int valid_chap_entries = 0; 392376738afSNilesh Javali int ret = 0, i; 393376738afSNilesh Javali 394d11b0ca3SVikas Chaudhary if (is_qla80XX(ha)) 395376738afSNilesh Javali max_chap_entries = (ha->hw.flt_chap_size / 2) / 396376738afSNilesh Javali sizeof(struct ql4_chap_table); 397376738afSNilesh Javali else 398376738afSNilesh Javali max_chap_entries = MAX_CHAP_ENTRIES_40XX; 399376738afSNilesh Javali 400376738afSNilesh Javali ql4_printk(KERN_INFO, ha, "%s: num_entries = %d, CHAP idx = %d\n", 401376738afSNilesh Javali __func__, *num_entries, chap_tbl_idx); 402376738afSNilesh Javali 403376738afSNilesh Javali if (!buf) { 404376738afSNilesh Javali ret = -ENOMEM; 405376738afSNilesh Javali goto exit_get_chap_list; 406376738afSNilesh Javali } 407376738afSNilesh Javali 408376738afSNilesh Javali chap_rec = (struct iscsi_chap_rec *) buf; 409376738afSNilesh Javali mutex_lock(&ha->chap_sem); 410376738afSNilesh Javali for (i = chap_tbl_idx; i < max_chap_entries; i++) { 411376738afSNilesh Javali chap_table = (struct ql4_chap_table *)ha->chap_list + i; 412376738afSNilesh Javali if (chap_table->cookie != 413376738afSNilesh Javali __constant_cpu_to_le16(CHAP_VALID_COOKIE)) 414376738afSNilesh Javali continue; 415376738afSNilesh Javali 416376738afSNilesh Javali chap_rec->chap_tbl_idx = i; 417376738afSNilesh Javali strncpy(chap_rec->username, chap_table->name, 418376738afSNilesh Javali ISCSI_CHAP_AUTH_NAME_MAX_LEN); 419376738afSNilesh Javali strncpy(chap_rec->password, chap_table->secret, 420376738afSNilesh Javali QL4_CHAP_MAX_SECRET_LEN); 421376738afSNilesh Javali chap_rec->password_length = chap_table->secret_len; 422376738afSNilesh Javali 423376738afSNilesh Javali if (chap_table->flags & BIT_7) /* local */ 424376738afSNilesh Javali chap_rec->chap_type = CHAP_TYPE_OUT; 425376738afSNilesh Javali 426376738afSNilesh Javali if (chap_table->flags & BIT_6) /* peer */ 427376738afSNilesh Javali chap_rec->chap_type = CHAP_TYPE_IN; 428376738afSNilesh Javali 429376738afSNilesh Javali chap_rec++; 430376738afSNilesh Javali 431376738afSNilesh Javali valid_chap_entries++; 432376738afSNilesh Javali if (valid_chap_entries == *num_entries) 433376738afSNilesh Javali break; 434376738afSNilesh Javali else 435376738afSNilesh Javali continue; 436376738afSNilesh Javali } 437376738afSNilesh Javali mutex_unlock(&ha->chap_sem); 438376738afSNilesh Javali 439376738afSNilesh Javali exit_get_chap_list: 440376738afSNilesh Javali ql4_printk(KERN_INFO, ha, "%s: Valid CHAP Entries = %d\n", 441376738afSNilesh Javali __func__, valid_chap_entries); 442376738afSNilesh Javali *num_entries = valid_chap_entries; 443376738afSNilesh Javali return ret; 444376738afSNilesh Javali } 445376738afSNilesh Javali 446376738afSNilesh Javali static int __qla4xxx_is_chap_active(struct device *dev, void *data) 447376738afSNilesh Javali { 448376738afSNilesh Javali int ret = 0; 449376738afSNilesh Javali uint16_t *chap_tbl_idx = (uint16_t *) data; 450376738afSNilesh Javali struct iscsi_cls_session *cls_session; 451376738afSNilesh Javali struct iscsi_session *sess; 452376738afSNilesh Javali struct ddb_entry *ddb_entry; 453376738afSNilesh Javali 454376738afSNilesh Javali if (!iscsi_is_session_dev(dev)) 455376738afSNilesh Javali goto exit_is_chap_active; 456376738afSNilesh Javali 457376738afSNilesh Javali cls_session = iscsi_dev_to_session(dev); 458376738afSNilesh Javali sess = cls_session->dd_data; 459376738afSNilesh Javali ddb_entry = sess->dd_data; 460376738afSNilesh Javali 461376738afSNilesh Javali if (iscsi_session_chkready(cls_session)) 462376738afSNilesh Javali goto exit_is_chap_active; 463376738afSNilesh Javali 464376738afSNilesh Javali if (ddb_entry->chap_tbl_idx == *chap_tbl_idx) 465376738afSNilesh Javali ret = 1; 466376738afSNilesh Javali 467376738afSNilesh Javali exit_is_chap_active: 468376738afSNilesh Javali return ret; 469376738afSNilesh Javali } 470376738afSNilesh Javali 471376738afSNilesh Javali static int qla4xxx_is_chap_active(struct Scsi_Host *shost, 472376738afSNilesh Javali uint16_t chap_tbl_idx) 473376738afSNilesh Javali { 474376738afSNilesh Javali int ret = 0; 475376738afSNilesh Javali 476376738afSNilesh Javali ret = device_for_each_child(&shost->shost_gendev, &chap_tbl_idx, 477376738afSNilesh Javali __qla4xxx_is_chap_active); 478376738afSNilesh Javali 479376738afSNilesh Javali return ret; 480376738afSNilesh Javali } 481376738afSNilesh Javali 482376738afSNilesh Javali static int qla4xxx_delete_chap(struct Scsi_Host *shost, uint16_t chap_tbl_idx) 483376738afSNilesh Javali { 484376738afSNilesh Javali struct scsi_qla_host *ha = to_qla_host(shost); 485376738afSNilesh Javali struct ql4_chap_table *chap_table; 486376738afSNilesh Javali dma_addr_t chap_dma; 487376738afSNilesh Javali int max_chap_entries = 0; 488376738afSNilesh Javali uint32_t offset = 0; 489376738afSNilesh Javali uint32_t chap_size; 490376738afSNilesh Javali int ret = 0; 491376738afSNilesh Javali 492376738afSNilesh Javali chap_table = dma_pool_alloc(ha->chap_dma_pool, GFP_KERNEL, &chap_dma); 493376738afSNilesh Javali if (chap_table == NULL) 494376738afSNilesh Javali return -ENOMEM; 495376738afSNilesh Javali 496376738afSNilesh Javali memset(chap_table, 0, sizeof(struct ql4_chap_table)); 497376738afSNilesh Javali 498d11b0ca3SVikas Chaudhary if (is_qla80XX(ha)) 499376738afSNilesh Javali max_chap_entries = (ha->hw.flt_chap_size / 2) / 500376738afSNilesh Javali sizeof(struct ql4_chap_table); 501376738afSNilesh Javali else 502376738afSNilesh Javali max_chap_entries = MAX_CHAP_ENTRIES_40XX; 503376738afSNilesh Javali 504376738afSNilesh Javali if (chap_tbl_idx > max_chap_entries) { 505376738afSNilesh Javali ret = -EINVAL; 506376738afSNilesh Javali goto exit_delete_chap; 507376738afSNilesh Javali } 508376738afSNilesh Javali 509376738afSNilesh Javali /* Check if chap index is in use. 510376738afSNilesh Javali * If chap is in use don't delet chap entry */ 511376738afSNilesh Javali ret = qla4xxx_is_chap_active(shost, chap_tbl_idx); 512376738afSNilesh Javali if (ret) { 513376738afSNilesh Javali ql4_printk(KERN_INFO, ha, "CHAP entry %d is in use, cannot " 514376738afSNilesh Javali "delete from flash\n", chap_tbl_idx); 515376738afSNilesh Javali ret = -EBUSY; 516376738afSNilesh Javali goto exit_delete_chap; 517376738afSNilesh Javali } 518376738afSNilesh Javali 519376738afSNilesh Javali chap_size = sizeof(struct ql4_chap_table); 520376738afSNilesh Javali if (is_qla40XX(ha)) 521376738afSNilesh Javali offset = FLASH_CHAP_OFFSET | (chap_tbl_idx * chap_size); 522376738afSNilesh Javali else { 523376738afSNilesh Javali offset = FLASH_RAW_ACCESS_ADDR + (ha->hw.flt_region_chap << 2); 524376738afSNilesh Javali /* flt_chap_size is CHAP table size for both ports 525376738afSNilesh Javali * so divide it by 2 to calculate the offset for second port 526376738afSNilesh Javali */ 527376738afSNilesh Javali if (ha->port_num == 1) 528376738afSNilesh Javali offset += (ha->hw.flt_chap_size / 2); 529376738afSNilesh Javali offset += (chap_tbl_idx * chap_size); 530376738afSNilesh Javali } 531376738afSNilesh Javali 532376738afSNilesh Javali ret = qla4xxx_get_flash(ha, chap_dma, offset, chap_size); 533376738afSNilesh Javali if (ret != QLA_SUCCESS) { 534376738afSNilesh Javali ret = -EINVAL; 535376738afSNilesh Javali goto exit_delete_chap; 536376738afSNilesh Javali } 537376738afSNilesh Javali 538376738afSNilesh Javali DEBUG2(ql4_printk(KERN_INFO, ha, "Chap Cookie: x%x\n", 539376738afSNilesh Javali __le16_to_cpu(chap_table->cookie))); 540376738afSNilesh Javali 541376738afSNilesh Javali if (__le16_to_cpu(chap_table->cookie) != CHAP_VALID_COOKIE) { 542376738afSNilesh Javali ql4_printk(KERN_ERR, ha, "No valid chap entry found\n"); 543376738afSNilesh Javali goto exit_delete_chap; 544376738afSNilesh Javali } 545376738afSNilesh Javali 546376738afSNilesh Javali chap_table->cookie = __constant_cpu_to_le16(0xFFFF); 547376738afSNilesh Javali 548376738afSNilesh Javali offset = FLASH_CHAP_OFFSET | 549376738afSNilesh Javali (chap_tbl_idx * sizeof(struct ql4_chap_table)); 550376738afSNilesh Javali ret = qla4xxx_set_flash(ha, chap_dma, offset, chap_size, 551376738afSNilesh Javali FLASH_OPT_RMW_COMMIT); 552376738afSNilesh Javali if (ret == QLA_SUCCESS && ha->chap_list) { 553376738afSNilesh Javali mutex_lock(&ha->chap_sem); 554376738afSNilesh Javali /* Update ha chap_list cache */ 555376738afSNilesh Javali memcpy((struct ql4_chap_table *)ha->chap_list + chap_tbl_idx, 556376738afSNilesh Javali chap_table, sizeof(struct ql4_chap_table)); 557376738afSNilesh Javali mutex_unlock(&ha->chap_sem); 558376738afSNilesh Javali } 559376738afSNilesh Javali if (ret != QLA_SUCCESS) 560376738afSNilesh Javali ret = -EINVAL; 561376738afSNilesh Javali 562376738afSNilesh Javali exit_delete_chap: 563376738afSNilesh Javali dma_pool_free(ha->chap_dma_pool, chap_table, chap_dma); 564376738afSNilesh Javali return ret; 565376738afSNilesh Javali } 566376738afSNilesh Javali 567ed1086e0SVikas Chaudhary static int qla4xxx_get_iface_param(struct iscsi_iface *iface, 568ed1086e0SVikas Chaudhary enum iscsi_param_type param_type, 569ed1086e0SVikas Chaudhary int param, char *buf) 570ed1086e0SVikas Chaudhary { 571ed1086e0SVikas Chaudhary struct Scsi_Host *shost = iscsi_iface_to_shost(iface); 572ed1086e0SVikas Chaudhary struct scsi_qla_host *ha = to_qla_host(shost); 573ed1086e0SVikas Chaudhary int len = -ENOSYS; 574ed1086e0SVikas Chaudhary 575ed1086e0SVikas Chaudhary if (param_type != ISCSI_NET_PARAM) 576ed1086e0SVikas Chaudhary return -ENOSYS; 577ed1086e0SVikas Chaudhary 578ed1086e0SVikas Chaudhary switch (param) { 579ed1086e0SVikas Chaudhary case ISCSI_NET_PARAM_IPV4_ADDR: 580ed1086e0SVikas Chaudhary len = sprintf(buf, "%pI4\n", &ha->ip_config.ip_address); 581ed1086e0SVikas Chaudhary break; 582ed1086e0SVikas Chaudhary case ISCSI_NET_PARAM_IPV4_SUBNET: 583ed1086e0SVikas Chaudhary len = sprintf(buf, "%pI4\n", &ha->ip_config.subnet_mask); 584ed1086e0SVikas Chaudhary break; 585ed1086e0SVikas Chaudhary case ISCSI_NET_PARAM_IPV4_GW: 586ed1086e0SVikas Chaudhary len = sprintf(buf, "%pI4\n", &ha->ip_config.gateway); 587ed1086e0SVikas Chaudhary break; 588ed1086e0SVikas Chaudhary case ISCSI_NET_PARAM_IFACE_ENABLE: 589ed1086e0SVikas Chaudhary if (iface->iface_type == ISCSI_IFACE_TYPE_IPV4) 590ed1086e0SVikas Chaudhary len = sprintf(buf, "%s\n", 591ed1086e0SVikas Chaudhary (ha->ip_config.ipv4_options & 592ed1086e0SVikas Chaudhary IPOPT_IPV4_PROTOCOL_ENABLE) ? 593ed1086e0SVikas Chaudhary "enabled" : "disabled"); 594ed1086e0SVikas Chaudhary else if (iface->iface_type == ISCSI_IFACE_TYPE_IPV6) 595ed1086e0SVikas Chaudhary len = sprintf(buf, "%s\n", 596ed1086e0SVikas Chaudhary (ha->ip_config.ipv6_options & 597ed1086e0SVikas Chaudhary IPV6_OPT_IPV6_PROTOCOL_ENABLE) ? 598ed1086e0SVikas Chaudhary "enabled" : "disabled"); 599ed1086e0SVikas Chaudhary break; 600ed1086e0SVikas Chaudhary case ISCSI_NET_PARAM_IPV4_BOOTPROTO: 601ed1086e0SVikas Chaudhary len = sprintf(buf, "%s\n", 602ed1086e0SVikas Chaudhary (ha->ip_config.tcp_options & TCPOPT_DHCP_ENABLE) ? 603ed1086e0SVikas Chaudhary "dhcp" : "static"); 604ed1086e0SVikas Chaudhary break; 605ed1086e0SVikas Chaudhary case ISCSI_NET_PARAM_IPV6_ADDR: 606ed1086e0SVikas Chaudhary if (iface->iface_num == 0) 607ed1086e0SVikas Chaudhary len = sprintf(buf, "%pI6\n", &ha->ip_config.ipv6_addr0); 608ed1086e0SVikas Chaudhary if (iface->iface_num == 1) 609ed1086e0SVikas Chaudhary len = sprintf(buf, "%pI6\n", &ha->ip_config.ipv6_addr1); 610ed1086e0SVikas Chaudhary break; 611ed1086e0SVikas Chaudhary case ISCSI_NET_PARAM_IPV6_LINKLOCAL: 612ed1086e0SVikas Chaudhary len = sprintf(buf, "%pI6\n", 613ed1086e0SVikas Chaudhary &ha->ip_config.ipv6_link_local_addr); 614ed1086e0SVikas Chaudhary break; 615ed1086e0SVikas Chaudhary case ISCSI_NET_PARAM_IPV6_ROUTER: 616ed1086e0SVikas Chaudhary len = sprintf(buf, "%pI6\n", 617ed1086e0SVikas Chaudhary &ha->ip_config.ipv6_default_router_addr); 618ed1086e0SVikas Chaudhary break; 619ed1086e0SVikas Chaudhary case ISCSI_NET_PARAM_IPV6_ADDR_AUTOCFG: 620ed1086e0SVikas Chaudhary len = sprintf(buf, "%s\n", 621ed1086e0SVikas Chaudhary (ha->ip_config.ipv6_addl_options & 622ed1086e0SVikas Chaudhary IPV6_ADDOPT_NEIGHBOR_DISCOVERY_ADDR_ENABLE) ? 623ed1086e0SVikas Chaudhary "nd" : "static"); 624ed1086e0SVikas Chaudhary break; 625ed1086e0SVikas Chaudhary case ISCSI_NET_PARAM_IPV6_LINKLOCAL_AUTOCFG: 626ed1086e0SVikas Chaudhary len = sprintf(buf, "%s\n", 627ed1086e0SVikas Chaudhary (ha->ip_config.ipv6_addl_options & 628ed1086e0SVikas Chaudhary IPV6_ADDOPT_AUTOCONFIG_LINK_LOCAL_ADDR) ? 629ed1086e0SVikas Chaudhary "auto" : "static"); 630ed1086e0SVikas Chaudhary break; 6316ac73e8cSVikas Chaudhary case ISCSI_NET_PARAM_VLAN_ID: 6326ac73e8cSVikas Chaudhary if (iface->iface_type == ISCSI_IFACE_TYPE_IPV4) 6336ac73e8cSVikas Chaudhary len = sprintf(buf, "%d\n", 6346ac73e8cSVikas Chaudhary (ha->ip_config.ipv4_vlan_tag & 6356ac73e8cSVikas Chaudhary ISCSI_MAX_VLAN_ID)); 6366ac73e8cSVikas Chaudhary else if (iface->iface_type == ISCSI_IFACE_TYPE_IPV6) 6376ac73e8cSVikas Chaudhary len = sprintf(buf, "%d\n", 6386ac73e8cSVikas Chaudhary (ha->ip_config.ipv6_vlan_tag & 6396ac73e8cSVikas Chaudhary ISCSI_MAX_VLAN_ID)); 6406ac73e8cSVikas Chaudhary break; 6416ac73e8cSVikas Chaudhary case ISCSI_NET_PARAM_VLAN_PRIORITY: 6426ac73e8cSVikas Chaudhary if (iface->iface_type == ISCSI_IFACE_TYPE_IPV4) 6436ac73e8cSVikas Chaudhary len = sprintf(buf, "%d\n", 6446ac73e8cSVikas Chaudhary ((ha->ip_config.ipv4_vlan_tag >> 13) & 6456ac73e8cSVikas Chaudhary ISCSI_MAX_VLAN_PRIORITY)); 6466ac73e8cSVikas Chaudhary else if (iface->iface_type == ISCSI_IFACE_TYPE_IPV6) 6476ac73e8cSVikas Chaudhary len = sprintf(buf, "%d\n", 6486ac73e8cSVikas Chaudhary ((ha->ip_config.ipv6_vlan_tag >> 13) & 6496ac73e8cSVikas Chaudhary ISCSI_MAX_VLAN_PRIORITY)); 6506ac73e8cSVikas Chaudhary break; 6516ac73e8cSVikas Chaudhary case ISCSI_NET_PARAM_VLAN_ENABLED: 6526ac73e8cSVikas Chaudhary if (iface->iface_type == ISCSI_IFACE_TYPE_IPV4) 6536ac73e8cSVikas Chaudhary len = sprintf(buf, "%s\n", 6546ac73e8cSVikas Chaudhary (ha->ip_config.ipv4_options & 6556ac73e8cSVikas Chaudhary IPOPT_VLAN_TAGGING_ENABLE) ? 6566ac73e8cSVikas Chaudhary "enabled" : "disabled"); 6576ac73e8cSVikas Chaudhary else if (iface->iface_type == ISCSI_IFACE_TYPE_IPV6) 6586ac73e8cSVikas Chaudhary len = sprintf(buf, "%s\n", 6596ac73e8cSVikas Chaudhary (ha->ip_config.ipv6_options & 6606ac73e8cSVikas Chaudhary IPV6_OPT_VLAN_TAGGING_ENABLE) ? 6616ac73e8cSVikas Chaudhary "enabled" : "disabled"); 6626ac73e8cSVikas Chaudhary break; 663943c157bSVikas Chaudhary case ISCSI_NET_PARAM_MTU: 664943c157bSVikas Chaudhary len = sprintf(buf, "%d\n", ha->ip_config.eth_mtu_size); 665943c157bSVikas Chaudhary break; 6662ada7fc5SVikas Chaudhary case ISCSI_NET_PARAM_PORT: 6672ada7fc5SVikas Chaudhary if (iface->iface_type == ISCSI_IFACE_TYPE_IPV4) 6682ada7fc5SVikas Chaudhary len = sprintf(buf, "%d\n", ha->ip_config.ipv4_port); 6692ada7fc5SVikas Chaudhary else if (iface->iface_type == ISCSI_IFACE_TYPE_IPV6) 6702ada7fc5SVikas Chaudhary len = sprintf(buf, "%d\n", ha->ip_config.ipv6_port); 6712ada7fc5SVikas Chaudhary break; 672ed1086e0SVikas Chaudhary default: 673ed1086e0SVikas Chaudhary len = -ENOSYS; 674ed1086e0SVikas Chaudhary } 675ed1086e0SVikas Chaudhary 676ed1086e0SVikas Chaudhary return len; 677ed1086e0SVikas Chaudhary } 678ed1086e0SVikas Chaudhary 679b3a271a9SManish Rangankar static struct iscsi_endpoint * 680b3a271a9SManish Rangankar qla4xxx_ep_connect(struct Scsi_Host *shost, struct sockaddr *dst_addr, 681b3a271a9SManish Rangankar int non_blocking) 682b3a271a9SManish Rangankar { 683b3a271a9SManish Rangankar int ret; 684b3a271a9SManish Rangankar struct iscsi_endpoint *ep; 685b3a271a9SManish Rangankar struct qla_endpoint *qla_ep; 686b3a271a9SManish Rangankar struct scsi_qla_host *ha; 687b3a271a9SManish Rangankar struct sockaddr_in *addr; 688b3a271a9SManish Rangankar struct sockaddr_in6 *addr6; 689b3a271a9SManish Rangankar 690b3a271a9SManish Rangankar DEBUG2(printk(KERN_INFO "Func: %s\n", __func__)); 691b3a271a9SManish Rangankar if (!shost) { 692b3a271a9SManish Rangankar ret = -ENXIO; 693b3a271a9SManish Rangankar printk(KERN_ERR "%s: shost is NULL\n", 694b3a271a9SManish Rangankar __func__); 695b3a271a9SManish Rangankar return ERR_PTR(ret); 696b3a271a9SManish Rangankar } 697b3a271a9SManish Rangankar 698b3a271a9SManish Rangankar ha = iscsi_host_priv(shost); 699b3a271a9SManish Rangankar 700b3a271a9SManish Rangankar ep = iscsi_create_endpoint(sizeof(struct qla_endpoint)); 701b3a271a9SManish Rangankar if (!ep) { 702b3a271a9SManish Rangankar ret = -ENOMEM; 703b3a271a9SManish Rangankar return ERR_PTR(ret); 704b3a271a9SManish Rangankar } 705b3a271a9SManish Rangankar 706b3a271a9SManish Rangankar qla_ep = ep->dd_data; 707b3a271a9SManish Rangankar memset(qla_ep, 0, sizeof(struct qla_endpoint)); 708b3a271a9SManish Rangankar if (dst_addr->sa_family == AF_INET) { 709b3a271a9SManish Rangankar memcpy(&qla_ep->dst_addr, dst_addr, sizeof(struct sockaddr_in)); 710b3a271a9SManish Rangankar addr = (struct sockaddr_in *)&qla_ep->dst_addr; 711b3a271a9SManish Rangankar DEBUG2(ql4_printk(KERN_INFO, ha, "%s: %pI4\n", __func__, 712b3a271a9SManish Rangankar (char *)&addr->sin_addr)); 713b3a271a9SManish Rangankar } else if (dst_addr->sa_family == AF_INET6) { 714b3a271a9SManish Rangankar memcpy(&qla_ep->dst_addr, dst_addr, 715b3a271a9SManish Rangankar sizeof(struct sockaddr_in6)); 716b3a271a9SManish Rangankar addr6 = (struct sockaddr_in6 *)&qla_ep->dst_addr; 717b3a271a9SManish Rangankar DEBUG2(ql4_printk(KERN_INFO, ha, "%s: %pI6\n", __func__, 718b3a271a9SManish Rangankar (char *)&addr6->sin6_addr)); 719b3a271a9SManish Rangankar } 720b3a271a9SManish Rangankar 721b3a271a9SManish Rangankar qla_ep->host = shost; 722b3a271a9SManish Rangankar 723b3a271a9SManish Rangankar return ep; 724b3a271a9SManish Rangankar } 725b3a271a9SManish Rangankar 726b3a271a9SManish Rangankar static int qla4xxx_ep_poll(struct iscsi_endpoint *ep, int timeout_ms) 727b3a271a9SManish Rangankar { 728b3a271a9SManish Rangankar struct qla_endpoint *qla_ep; 729b3a271a9SManish Rangankar struct scsi_qla_host *ha; 730b3a271a9SManish Rangankar int ret = 0; 731b3a271a9SManish Rangankar 732b3a271a9SManish Rangankar DEBUG2(printk(KERN_INFO "Func: %s\n", __func__)); 733b3a271a9SManish Rangankar qla_ep = ep->dd_data; 734b3a271a9SManish Rangankar ha = to_qla_host(qla_ep->host); 735b3a271a9SManish Rangankar 73613483730SMike Christie if (adapter_up(ha) && !test_bit(AF_BUILD_DDB_LIST, &ha->flags)) 737b3a271a9SManish Rangankar ret = 1; 738b3a271a9SManish Rangankar 739b3a271a9SManish Rangankar return ret; 740b3a271a9SManish Rangankar } 741b3a271a9SManish Rangankar 742b3a271a9SManish Rangankar static void qla4xxx_ep_disconnect(struct iscsi_endpoint *ep) 743b3a271a9SManish Rangankar { 744b3a271a9SManish Rangankar DEBUG2(printk(KERN_INFO "Func: %s\n", __func__)); 745b3a271a9SManish Rangankar iscsi_destroy_endpoint(ep); 746b3a271a9SManish Rangankar } 747b3a271a9SManish Rangankar 748b3a271a9SManish Rangankar static int qla4xxx_get_ep_param(struct iscsi_endpoint *ep, 749b3a271a9SManish Rangankar enum iscsi_param param, 750b3a271a9SManish Rangankar char *buf) 751b3a271a9SManish Rangankar { 752b3a271a9SManish Rangankar struct qla_endpoint *qla_ep = ep->dd_data; 753b3a271a9SManish Rangankar struct sockaddr *dst_addr; 754b3a271a9SManish Rangankar 755b3a271a9SManish Rangankar DEBUG2(printk(KERN_INFO "Func: %s\n", __func__)); 756b3a271a9SManish Rangankar 757b3a271a9SManish Rangankar switch (param) { 758b3a271a9SManish Rangankar case ISCSI_PARAM_CONN_PORT: 759b3a271a9SManish Rangankar case ISCSI_PARAM_CONN_ADDRESS: 760b3a271a9SManish Rangankar if (!qla_ep) 761b3a271a9SManish Rangankar return -ENOTCONN; 762b3a271a9SManish Rangankar 763b3a271a9SManish Rangankar dst_addr = (struct sockaddr *)&qla_ep->dst_addr; 764b3a271a9SManish Rangankar if (!dst_addr) 765b3a271a9SManish Rangankar return -ENOTCONN; 766b3a271a9SManish Rangankar 767b3a271a9SManish Rangankar return iscsi_conn_get_addr_param((struct sockaddr_storage *) 768b3a271a9SManish Rangankar &qla_ep->dst_addr, param, buf); 769b3a271a9SManish Rangankar default: 770b3a271a9SManish Rangankar return -ENOSYS; 771b3a271a9SManish Rangankar } 772b3a271a9SManish Rangankar } 773b3a271a9SManish Rangankar 774b3a271a9SManish Rangankar static void qla4xxx_conn_get_stats(struct iscsi_cls_conn *cls_conn, 775b3a271a9SManish Rangankar struct iscsi_stats *stats) 776b3a271a9SManish Rangankar { 777b3a271a9SManish Rangankar struct iscsi_session *sess; 778b3a271a9SManish Rangankar struct iscsi_cls_session *cls_sess; 779b3a271a9SManish Rangankar struct ddb_entry *ddb_entry; 780b3a271a9SManish Rangankar struct scsi_qla_host *ha; 781b3a271a9SManish Rangankar struct ql_iscsi_stats *ql_iscsi_stats; 782b3a271a9SManish Rangankar int stats_size; 783b3a271a9SManish Rangankar int ret; 784b3a271a9SManish Rangankar dma_addr_t iscsi_stats_dma; 785b3a271a9SManish Rangankar 786b3a271a9SManish Rangankar DEBUG2(printk(KERN_INFO "Func: %s\n", __func__)); 787b3a271a9SManish Rangankar 788b3a271a9SManish Rangankar cls_sess = iscsi_conn_to_session(cls_conn); 789b3a271a9SManish Rangankar sess = cls_sess->dd_data; 790b3a271a9SManish Rangankar ddb_entry = sess->dd_data; 791b3a271a9SManish Rangankar ha = ddb_entry->ha; 792b3a271a9SManish Rangankar 793b3a271a9SManish Rangankar stats_size = PAGE_ALIGN(sizeof(struct ql_iscsi_stats)); 794b3a271a9SManish Rangankar /* Allocate memory */ 795b3a271a9SManish Rangankar ql_iscsi_stats = dma_alloc_coherent(&ha->pdev->dev, stats_size, 796b3a271a9SManish Rangankar &iscsi_stats_dma, GFP_KERNEL); 797b3a271a9SManish Rangankar if (!ql_iscsi_stats) { 798b3a271a9SManish Rangankar ql4_printk(KERN_ERR, ha, 799b3a271a9SManish Rangankar "Unable to allocate memory for iscsi stats\n"); 800b3a271a9SManish Rangankar goto exit_get_stats; 801b3a271a9SManish Rangankar } 802b3a271a9SManish Rangankar 803b3a271a9SManish Rangankar ret = qla4xxx_get_mgmt_data(ha, ddb_entry->fw_ddb_index, stats_size, 804b3a271a9SManish Rangankar iscsi_stats_dma); 805b3a271a9SManish Rangankar if (ret != QLA_SUCCESS) { 806b3a271a9SManish Rangankar ql4_printk(KERN_ERR, ha, 80759e13d48SMasanari Iida "Unable to retrieve iscsi stats\n"); 808b3a271a9SManish Rangankar goto free_stats; 809b3a271a9SManish Rangankar } 810b3a271a9SManish Rangankar 811b3a271a9SManish Rangankar /* octets */ 812b3a271a9SManish Rangankar stats->txdata_octets = le64_to_cpu(ql_iscsi_stats->tx_data_octets); 813b3a271a9SManish Rangankar stats->rxdata_octets = le64_to_cpu(ql_iscsi_stats->rx_data_octets); 814b3a271a9SManish Rangankar /* xmit pdus */ 815b3a271a9SManish Rangankar stats->noptx_pdus = le32_to_cpu(ql_iscsi_stats->tx_nopout_pdus); 816b3a271a9SManish Rangankar stats->scsicmd_pdus = le32_to_cpu(ql_iscsi_stats->tx_scsi_cmd_pdus); 817b3a271a9SManish Rangankar stats->tmfcmd_pdus = le32_to_cpu(ql_iscsi_stats->tx_tmf_cmd_pdus); 818b3a271a9SManish Rangankar stats->login_pdus = le32_to_cpu(ql_iscsi_stats->tx_login_cmd_pdus); 819b3a271a9SManish Rangankar stats->text_pdus = le32_to_cpu(ql_iscsi_stats->tx_text_cmd_pdus); 820b3a271a9SManish Rangankar stats->dataout_pdus = le32_to_cpu(ql_iscsi_stats->tx_scsi_write_pdus); 821b3a271a9SManish Rangankar stats->logout_pdus = le32_to_cpu(ql_iscsi_stats->tx_logout_cmd_pdus); 822b3a271a9SManish Rangankar stats->snack_pdus = le32_to_cpu(ql_iscsi_stats->tx_snack_req_pdus); 823b3a271a9SManish Rangankar /* recv pdus */ 824b3a271a9SManish Rangankar stats->noprx_pdus = le32_to_cpu(ql_iscsi_stats->rx_nopin_pdus); 825b3a271a9SManish Rangankar stats->scsirsp_pdus = le32_to_cpu(ql_iscsi_stats->rx_scsi_resp_pdus); 826b3a271a9SManish Rangankar stats->tmfrsp_pdus = le32_to_cpu(ql_iscsi_stats->rx_tmf_resp_pdus); 827b3a271a9SManish Rangankar stats->textrsp_pdus = le32_to_cpu(ql_iscsi_stats->rx_text_resp_pdus); 828b3a271a9SManish Rangankar stats->datain_pdus = le32_to_cpu(ql_iscsi_stats->rx_scsi_read_pdus); 829b3a271a9SManish Rangankar stats->logoutrsp_pdus = 830b3a271a9SManish Rangankar le32_to_cpu(ql_iscsi_stats->rx_logout_resp_pdus); 831b3a271a9SManish Rangankar stats->r2t_pdus = le32_to_cpu(ql_iscsi_stats->rx_r2t_pdus); 832b3a271a9SManish Rangankar stats->async_pdus = le32_to_cpu(ql_iscsi_stats->rx_async_pdus); 833b3a271a9SManish Rangankar stats->rjt_pdus = le32_to_cpu(ql_iscsi_stats->rx_reject_pdus); 834b3a271a9SManish Rangankar 835b3a271a9SManish Rangankar free_stats: 836b3a271a9SManish Rangankar dma_free_coherent(&ha->pdev->dev, stats_size, ql_iscsi_stats, 837b3a271a9SManish Rangankar iscsi_stats_dma); 838b3a271a9SManish Rangankar exit_get_stats: 839b3a271a9SManish Rangankar return; 840b3a271a9SManish Rangankar } 841b3a271a9SManish Rangankar 8425c656af7SMike Christie static enum blk_eh_timer_return qla4xxx_eh_cmd_timed_out(struct scsi_cmnd *sc) 8435c656af7SMike Christie { 8445c656af7SMike Christie struct iscsi_cls_session *session; 845b3a271a9SManish Rangankar struct iscsi_session *sess; 846b3a271a9SManish Rangankar unsigned long flags; 847b3a271a9SManish Rangankar enum blk_eh_timer_return ret = BLK_EH_NOT_HANDLED; 8485c656af7SMike Christie 8495c656af7SMike Christie session = starget_to_session(scsi_target(sc->device)); 850b3a271a9SManish Rangankar sess = session->dd_data; 8515c656af7SMike Christie 852b3a271a9SManish Rangankar spin_lock_irqsave(&session->lock, flags); 853b3a271a9SManish Rangankar if (session->state == ISCSI_SESSION_FAILED) 854b3a271a9SManish Rangankar ret = BLK_EH_RESET_TIMER; 855b3a271a9SManish Rangankar spin_unlock_irqrestore(&session->lock, flags); 8565c656af7SMike Christie 857b3a271a9SManish Rangankar return ret; 858568d303bSMike Christie } 859afaf5a2dSDavid Somayajulu 8603254dbe9SVikas Chaudhary static void qla4xxx_set_port_speed(struct Scsi_Host *shost) 8613254dbe9SVikas Chaudhary { 8623254dbe9SVikas Chaudhary struct scsi_qla_host *ha = to_qla_host(shost); 863e16d166eSVikas Chaudhary struct iscsi_cls_host *ihost = shost->shost_data; 8643254dbe9SVikas Chaudhary uint32_t speed = ISCSI_PORT_SPEED_UNKNOWN; 8653254dbe9SVikas Chaudhary 8663254dbe9SVikas Chaudhary qla4xxx_get_firmware_state(ha); 8673254dbe9SVikas Chaudhary 8683254dbe9SVikas Chaudhary switch (ha->addl_fw_state & 0x0F00) { 8693254dbe9SVikas Chaudhary case FW_ADDSTATE_LINK_SPEED_10MBPS: 8703254dbe9SVikas Chaudhary speed = ISCSI_PORT_SPEED_10MBPS; 8713254dbe9SVikas Chaudhary break; 8723254dbe9SVikas Chaudhary case FW_ADDSTATE_LINK_SPEED_100MBPS: 8733254dbe9SVikas Chaudhary speed = ISCSI_PORT_SPEED_100MBPS; 8743254dbe9SVikas Chaudhary break; 8753254dbe9SVikas Chaudhary case FW_ADDSTATE_LINK_SPEED_1GBPS: 8763254dbe9SVikas Chaudhary speed = ISCSI_PORT_SPEED_1GBPS; 8773254dbe9SVikas Chaudhary break; 8783254dbe9SVikas Chaudhary case FW_ADDSTATE_LINK_SPEED_10GBPS: 8793254dbe9SVikas Chaudhary speed = ISCSI_PORT_SPEED_10GBPS; 8803254dbe9SVikas Chaudhary break; 8813254dbe9SVikas Chaudhary } 8823254dbe9SVikas Chaudhary ihost->port_speed = speed; 8833254dbe9SVikas Chaudhary } 8843254dbe9SVikas Chaudhary 8853254dbe9SVikas Chaudhary static void qla4xxx_set_port_state(struct Scsi_Host *shost) 8863254dbe9SVikas Chaudhary { 8873254dbe9SVikas Chaudhary struct scsi_qla_host *ha = to_qla_host(shost); 888e16d166eSVikas Chaudhary struct iscsi_cls_host *ihost = shost->shost_data; 8893254dbe9SVikas Chaudhary uint32_t state = ISCSI_PORT_STATE_DOWN; 8903254dbe9SVikas Chaudhary 8913254dbe9SVikas Chaudhary if (test_bit(AF_LINK_UP, &ha->flags)) 8923254dbe9SVikas Chaudhary state = ISCSI_PORT_STATE_UP; 8933254dbe9SVikas Chaudhary 8943254dbe9SVikas Chaudhary ihost->port_state = state; 8953254dbe9SVikas Chaudhary } 8963254dbe9SVikas Chaudhary 897aa1e93a2SMike Christie static int qla4xxx_host_get_param(struct Scsi_Host *shost, 898aa1e93a2SMike Christie enum iscsi_host_param param, char *buf) 899aa1e93a2SMike Christie { 900aa1e93a2SMike Christie struct scsi_qla_host *ha = to_qla_host(shost); 901aa1e93a2SMike Christie int len; 902aa1e93a2SMike Christie 903aa1e93a2SMike Christie switch (param) { 904aa1e93a2SMike Christie case ISCSI_HOST_PARAM_HWADDRESS: 9057ffc49a6SMichael Chan len = sysfs_format_mac(buf, ha->my_mac, MAC_ADDR_LEN); 906aa1e93a2SMike Christie break; 90722236961SMike Christie case ISCSI_HOST_PARAM_IPADDRESS: 9082bab08fcSVikas Chaudhary len = sprintf(buf, "%pI4\n", &ha->ip_config.ip_address); 90922236961SMike Christie break; 9108ad5781aSMike Christie case ISCSI_HOST_PARAM_INITIATOR_NAME: 91122236961SMike Christie len = sprintf(buf, "%s\n", ha->name_string); 9128ad5781aSMike Christie break; 9133254dbe9SVikas Chaudhary case ISCSI_HOST_PARAM_PORT_STATE: 9143254dbe9SVikas Chaudhary qla4xxx_set_port_state(shost); 9153254dbe9SVikas Chaudhary len = sprintf(buf, "%s\n", iscsi_get_port_state_name(shost)); 9163254dbe9SVikas Chaudhary break; 9173254dbe9SVikas Chaudhary case ISCSI_HOST_PARAM_PORT_SPEED: 9183254dbe9SVikas Chaudhary qla4xxx_set_port_speed(shost); 9193254dbe9SVikas Chaudhary len = sprintf(buf, "%s\n", iscsi_get_port_speed_name(shost)); 9203254dbe9SVikas Chaudhary break; 921aa1e93a2SMike Christie default: 922aa1e93a2SMike Christie return -ENOSYS; 923aa1e93a2SMike Christie } 924aa1e93a2SMike Christie 925aa1e93a2SMike Christie return len; 926aa1e93a2SMike Christie } 927aa1e93a2SMike Christie 928ed1086e0SVikas Chaudhary static void qla4xxx_create_ipv4_iface(struct scsi_qla_host *ha) 929ed1086e0SVikas Chaudhary { 930ed1086e0SVikas Chaudhary if (ha->iface_ipv4) 931ed1086e0SVikas Chaudhary return; 932ed1086e0SVikas Chaudhary 933ed1086e0SVikas Chaudhary /* IPv4 */ 934ed1086e0SVikas Chaudhary ha->iface_ipv4 = iscsi_create_iface(ha->host, 935ed1086e0SVikas Chaudhary &qla4xxx_iscsi_transport, 936ed1086e0SVikas Chaudhary ISCSI_IFACE_TYPE_IPV4, 0, 0); 937ed1086e0SVikas Chaudhary if (!ha->iface_ipv4) 938ed1086e0SVikas Chaudhary ql4_printk(KERN_ERR, ha, "Could not create IPv4 iSCSI " 939ed1086e0SVikas Chaudhary "iface0.\n"); 940ed1086e0SVikas Chaudhary } 941ed1086e0SVikas Chaudhary 942ed1086e0SVikas Chaudhary static void qla4xxx_create_ipv6_iface(struct scsi_qla_host *ha) 943ed1086e0SVikas Chaudhary { 944ed1086e0SVikas Chaudhary if (!ha->iface_ipv6_0) 945ed1086e0SVikas Chaudhary /* IPv6 iface-0 */ 946ed1086e0SVikas Chaudhary ha->iface_ipv6_0 = iscsi_create_iface(ha->host, 947ed1086e0SVikas Chaudhary &qla4xxx_iscsi_transport, 948ed1086e0SVikas Chaudhary ISCSI_IFACE_TYPE_IPV6, 0, 949ed1086e0SVikas Chaudhary 0); 950ed1086e0SVikas Chaudhary if (!ha->iface_ipv6_0) 951ed1086e0SVikas Chaudhary ql4_printk(KERN_ERR, ha, "Could not create IPv6 iSCSI " 952ed1086e0SVikas Chaudhary "iface0.\n"); 953ed1086e0SVikas Chaudhary 954ed1086e0SVikas Chaudhary if (!ha->iface_ipv6_1) 955ed1086e0SVikas Chaudhary /* IPv6 iface-1 */ 956ed1086e0SVikas Chaudhary ha->iface_ipv6_1 = iscsi_create_iface(ha->host, 957ed1086e0SVikas Chaudhary &qla4xxx_iscsi_transport, 958ed1086e0SVikas Chaudhary ISCSI_IFACE_TYPE_IPV6, 1, 959ed1086e0SVikas Chaudhary 0); 960ed1086e0SVikas Chaudhary if (!ha->iface_ipv6_1) 961ed1086e0SVikas Chaudhary ql4_printk(KERN_ERR, ha, "Could not create IPv6 iSCSI " 962ed1086e0SVikas Chaudhary "iface1.\n"); 963ed1086e0SVikas Chaudhary } 964ed1086e0SVikas Chaudhary 965ed1086e0SVikas Chaudhary static void qla4xxx_create_ifaces(struct scsi_qla_host *ha) 966ed1086e0SVikas Chaudhary { 967ed1086e0SVikas Chaudhary if (ha->ip_config.ipv4_options & IPOPT_IPV4_PROTOCOL_ENABLE) 968ed1086e0SVikas Chaudhary qla4xxx_create_ipv4_iface(ha); 969ed1086e0SVikas Chaudhary 970ed1086e0SVikas Chaudhary if (ha->ip_config.ipv6_options & IPV6_OPT_IPV6_PROTOCOL_ENABLE) 971ed1086e0SVikas Chaudhary qla4xxx_create_ipv6_iface(ha); 972ed1086e0SVikas Chaudhary } 973ed1086e0SVikas Chaudhary 974ed1086e0SVikas Chaudhary static void qla4xxx_destroy_ipv4_iface(struct scsi_qla_host *ha) 975ed1086e0SVikas Chaudhary { 976ed1086e0SVikas Chaudhary if (ha->iface_ipv4) { 977ed1086e0SVikas Chaudhary iscsi_destroy_iface(ha->iface_ipv4); 978ed1086e0SVikas Chaudhary ha->iface_ipv4 = NULL; 979ed1086e0SVikas Chaudhary } 980ed1086e0SVikas Chaudhary } 981ed1086e0SVikas Chaudhary 982ed1086e0SVikas Chaudhary static void qla4xxx_destroy_ipv6_iface(struct scsi_qla_host *ha) 983ed1086e0SVikas Chaudhary { 984ed1086e0SVikas Chaudhary if (ha->iface_ipv6_0) { 985ed1086e0SVikas Chaudhary iscsi_destroy_iface(ha->iface_ipv6_0); 986ed1086e0SVikas Chaudhary ha->iface_ipv6_0 = NULL; 987ed1086e0SVikas Chaudhary } 988ed1086e0SVikas Chaudhary if (ha->iface_ipv6_1) { 989ed1086e0SVikas Chaudhary iscsi_destroy_iface(ha->iface_ipv6_1); 990ed1086e0SVikas Chaudhary ha->iface_ipv6_1 = NULL; 991ed1086e0SVikas Chaudhary } 992ed1086e0SVikas Chaudhary } 993ed1086e0SVikas Chaudhary 994ed1086e0SVikas Chaudhary static void qla4xxx_destroy_ifaces(struct scsi_qla_host *ha) 995ed1086e0SVikas Chaudhary { 996ed1086e0SVikas Chaudhary qla4xxx_destroy_ipv4_iface(ha); 997ed1086e0SVikas Chaudhary qla4xxx_destroy_ipv6_iface(ha); 998ed1086e0SVikas Chaudhary } 999ed1086e0SVikas Chaudhary 1000d00efe3fSMike Christie static void qla4xxx_set_ipv6(struct scsi_qla_host *ha, 1001d00efe3fSMike Christie struct iscsi_iface_param_info *iface_param, 1002d00efe3fSMike Christie struct addr_ctrl_blk *init_fw_cb) 1003d00efe3fSMike Christie { 1004d00efe3fSMike Christie /* 1005d00efe3fSMike Christie * iface_num 0 is valid for IPv6 Addr, linklocal, router, autocfg. 1006d00efe3fSMike Christie * iface_num 1 is valid only for IPv6 Addr. 1007d00efe3fSMike Christie */ 1008d00efe3fSMike Christie switch (iface_param->param) { 1009d00efe3fSMike Christie case ISCSI_NET_PARAM_IPV6_ADDR: 1010d00efe3fSMike Christie if (iface_param->iface_num & 0x1) 1011d00efe3fSMike Christie /* IPv6 Addr 1 */ 1012d00efe3fSMike Christie memcpy(init_fw_cb->ipv6_addr1, iface_param->value, 1013d00efe3fSMike Christie sizeof(init_fw_cb->ipv6_addr1)); 1014d00efe3fSMike Christie else 1015d00efe3fSMike Christie /* IPv6 Addr 0 */ 1016d00efe3fSMike Christie memcpy(init_fw_cb->ipv6_addr0, iface_param->value, 1017d00efe3fSMike Christie sizeof(init_fw_cb->ipv6_addr0)); 1018d00efe3fSMike Christie break; 1019d00efe3fSMike Christie case ISCSI_NET_PARAM_IPV6_LINKLOCAL: 1020d00efe3fSMike Christie if (iface_param->iface_num & 0x1) 1021d00efe3fSMike Christie break; 1022d00efe3fSMike Christie memcpy(init_fw_cb->ipv6_if_id, &iface_param->value[8], 1023d00efe3fSMike Christie sizeof(init_fw_cb->ipv6_if_id)); 1024d00efe3fSMike Christie break; 1025d00efe3fSMike Christie case ISCSI_NET_PARAM_IPV6_ROUTER: 1026d00efe3fSMike Christie if (iface_param->iface_num & 0x1) 1027d00efe3fSMike Christie break; 1028d00efe3fSMike Christie memcpy(init_fw_cb->ipv6_dflt_rtr_addr, iface_param->value, 1029d00efe3fSMike Christie sizeof(init_fw_cb->ipv6_dflt_rtr_addr)); 1030d00efe3fSMike Christie break; 1031d00efe3fSMike Christie case ISCSI_NET_PARAM_IPV6_ADDR_AUTOCFG: 1032d00efe3fSMike Christie /* Autocfg applies to even interface */ 1033d00efe3fSMike Christie if (iface_param->iface_num & 0x1) 1034d00efe3fSMike Christie break; 1035d00efe3fSMike Christie 1036d00efe3fSMike Christie if (iface_param->value[0] == ISCSI_IPV6_AUTOCFG_DISABLE) 1037d00efe3fSMike Christie init_fw_cb->ipv6_addtl_opts &= 1038d00efe3fSMike Christie cpu_to_le16( 1039d00efe3fSMike Christie ~IPV6_ADDOPT_NEIGHBOR_DISCOVERY_ADDR_ENABLE); 1040d00efe3fSMike Christie else if (iface_param->value[0] == ISCSI_IPV6_AUTOCFG_ND_ENABLE) 1041d00efe3fSMike Christie init_fw_cb->ipv6_addtl_opts |= 1042d00efe3fSMike Christie cpu_to_le16( 1043d00efe3fSMike Christie IPV6_ADDOPT_NEIGHBOR_DISCOVERY_ADDR_ENABLE); 1044d00efe3fSMike Christie else 1045d00efe3fSMike Christie ql4_printk(KERN_ERR, ha, "Invalid autocfg setting for " 1046d00efe3fSMike Christie "IPv6 addr\n"); 1047d00efe3fSMike Christie break; 1048d00efe3fSMike Christie case ISCSI_NET_PARAM_IPV6_LINKLOCAL_AUTOCFG: 1049d00efe3fSMike Christie /* Autocfg applies to even interface */ 1050d00efe3fSMike Christie if (iface_param->iface_num & 0x1) 1051d00efe3fSMike Christie break; 1052d00efe3fSMike Christie 1053d00efe3fSMike Christie if (iface_param->value[0] == 1054d00efe3fSMike Christie ISCSI_IPV6_LINKLOCAL_AUTOCFG_ENABLE) 1055d00efe3fSMike Christie init_fw_cb->ipv6_addtl_opts |= cpu_to_le16( 1056d00efe3fSMike Christie IPV6_ADDOPT_AUTOCONFIG_LINK_LOCAL_ADDR); 1057d00efe3fSMike Christie else if (iface_param->value[0] == 1058d00efe3fSMike Christie ISCSI_IPV6_LINKLOCAL_AUTOCFG_DISABLE) 1059d00efe3fSMike Christie init_fw_cb->ipv6_addtl_opts &= cpu_to_le16( 1060d00efe3fSMike Christie ~IPV6_ADDOPT_AUTOCONFIG_LINK_LOCAL_ADDR); 1061d00efe3fSMike Christie else 1062d00efe3fSMike Christie ql4_printk(KERN_ERR, ha, "Invalid autocfg setting for " 1063d00efe3fSMike Christie "IPv6 linklocal addr\n"); 1064d00efe3fSMike Christie break; 1065d00efe3fSMike Christie case ISCSI_NET_PARAM_IPV6_ROUTER_AUTOCFG: 1066d00efe3fSMike Christie /* Autocfg applies to even interface */ 1067d00efe3fSMike Christie if (iface_param->iface_num & 0x1) 1068d00efe3fSMike Christie break; 1069d00efe3fSMike Christie 1070d00efe3fSMike Christie if (iface_param->value[0] == ISCSI_IPV6_ROUTER_AUTOCFG_ENABLE) 1071d00efe3fSMike Christie memset(init_fw_cb->ipv6_dflt_rtr_addr, 0, 1072d00efe3fSMike Christie sizeof(init_fw_cb->ipv6_dflt_rtr_addr)); 1073d00efe3fSMike Christie break; 1074d00efe3fSMike Christie case ISCSI_NET_PARAM_IFACE_ENABLE: 1075ed1086e0SVikas Chaudhary if (iface_param->value[0] == ISCSI_IFACE_ENABLE) { 1076d00efe3fSMike Christie init_fw_cb->ipv6_opts |= 1077d00efe3fSMike Christie cpu_to_le16(IPV6_OPT_IPV6_PROTOCOL_ENABLE); 1078ed1086e0SVikas Chaudhary qla4xxx_create_ipv6_iface(ha); 1079ed1086e0SVikas Chaudhary } else { 1080d00efe3fSMike Christie init_fw_cb->ipv6_opts &= 1081d00efe3fSMike Christie cpu_to_le16(~IPV6_OPT_IPV6_PROTOCOL_ENABLE & 1082d00efe3fSMike Christie 0xFFFF); 1083ed1086e0SVikas Chaudhary qla4xxx_destroy_ipv6_iface(ha); 1084ed1086e0SVikas Chaudhary } 1085d00efe3fSMike Christie break; 10862d63673bSMike Christie case ISCSI_NET_PARAM_VLAN_TAG: 1087d00efe3fSMike Christie if (iface_param->len != sizeof(init_fw_cb->ipv6_vlan_tag)) 1088d00efe3fSMike Christie break; 10896ac73e8cSVikas Chaudhary init_fw_cb->ipv6_vlan_tag = 10906ac73e8cSVikas Chaudhary cpu_to_be16(*(uint16_t *)iface_param->value); 10916ac73e8cSVikas Chaudhary break; 10926ac73e8cSVikas Chaudhary case ISCSI_NET_PARAM_VLAN_ENABLED: 10936ac73e8cSVikas Chaudhary if (iface_param->value[0] == ISCSI_VLAN_ENABLE) 10946ac73e8cSVikas Chaudhary init_fw_cb->ipv6_opts |= 10956ac73e8cSVikas Chaudhary cpu_to_le16(IPV6_OPT_VLAN_TAGGING_ENABLE); 10966ac73e8cSVikas Chaudhary else 10976ac73e8cSVikas Chaudhary init_fw_cb->ipv6_opts &= 10986ac73e8cSVikas Chaudhary cpu_to_le16(~IPV6_OPT_VLAN_TAGGING_ENABLE); 1099d00efe3fSMike Christie break; 1100943c157bSVikas Chaudhary case ISCSI_NET_PARAM_MTU: 1101943c157bSVikas Chaudhary init_fw_cb->eth_mtu_size = 1102943c157bSVikas Chaudhary cpu_to_le16(*(uint16_t *)iface_param->value); 1103943c157bSVikas Chaudhary break; 11042ada7fc5SVikas Chaudhary case ISCSI_NET_PARAM_PORT: 11052ada7fc5SVikas Chaudhary /* Autocfg applies to even interface */ 11062ada7fc5SVikas Chaudhary if (iface_param->iface_num & 0x1) 11072ada7fc5SVikas Chaudhary break; 11082ada7fc5SVikas Chaudhary 11092ada7fc5SVikas Chaudhary init_fw_cb->ipv6_port = 11102ada7fc5SVikas Chaudhary cpu_to_le16(*(uint16_t *)iface_param->value); 11112ada7fc5SVikas Chaudhary break; 1112d00efe3fSMike Christie default: 1113d00efe3fSMike Christie ql4_printk(KERN_ERR, ha, "Unknown IPv6 param = %d\n", 1114d00efe3fSMike Christie iface_param->param); 1115d00efe3fSMike Christie break; 1116d00efe3fSMike Christie } 1117d00efe3fSMike Christie } 1118d00efe3fSMike Christie 1119d00efe3fSMike Christie static void qla4xxx_set_ipv4(struct scsi_qla_host *ha, 1120d00efe3fSMike Christie struct iscsi_iface_param_info *iface_param, 1121d00efe3fSMike Christie struct addr_ctrl_blk *init_fw_cb) 1122d00efe3fSMike Christie { 1123d00efe3fSMike Christie switch (iface_param->param) { 1124d00efe3fSMike Christie case ISCSI_NET_PARAM_IPV4_ADDR: 1125d00efe3fSMike Christie memcpy(init_fw_cb->ipv4_addr, iface_param->value, 1126d00efe3fSMike Christie sizeof(init_fw_cb->ipv4_addr)); 1127d00efe3fSMike Christie break; 1128d00efe3fSMike Christie case ISCSI_NET_PARAM_IPV4_SUBNET: 1129d00efe3fSMike Christie memcpy(init_fw_cb->ipv4_subnet, iface_param->value, 1130d00efe3fSMike Christie sizeof(init_fw_cb->ipv4_subnet)); 1131d00efe3fSMike Christie break; 1132d00efe3fSMike Christie case ISCSI_NET_PARAM_IPV4_GW: 1133d00efe3fSMike Christie memcpy(init_fw_cb->ipv4_gw_addr, iface_param->value, 1134d00efe3fSMike Christie sizeof(init_fw_cb->ipv4_gw_addr)); 1135d00efe3fSMike Christie break; 1136d00efe3fSMike Christie case ISCSI_NET_PARAM_IPV4_BOOTPROTO: 1137d00efe3fSMike Christie if (iface_param->value[0] == ISCSI_BOOTPROTO_DHCP) 1138d00efe3fSMike Christie init_fw_cb->ipv4_tcp_opts |= 1139d00efe3fSMike Christie cpu_to_le16(TCPOPT_DHCP_ENABLE); 1140d00efe3fSMike Christie else if (iface_param->value[0] == ISCSI_BOOTPROTO_STATIC) 1141d00efe3fSMike Christie init_fw_cb->ipv4_tcp_opts &= 1142d00efe3fSMike Christie cpu_to_le16(~TCPOPT_DHCP_ENABLE); 1143d00efe3fSMike Christie else 1144d00efe3fSMike Christie ql4_printk(KERN_ERR, ha, "Invalid IPv4 bootproto\n"); 1145d00efe3fSMike Christie break; 1146d00efe3fSMike Christie case ISCSI_NET_PARAM_IFACE_ENABLE: 1147ed1086e0SVikas Chaudhary if (iface_param->value[0] == ISCSI_IFACE_ENABLE) { 1148d00efe3fSMike Christie init_fw_cb->ipv4_ip_opts |= 11492bab08fcSVikas Chaudhary cpu_to_le16(IPOPT_IPV4_PROTOCOL_ENABLE); 1150ed1086e0SVikas Chaudhary qla4xxx_create_ipv4_iface(ha); 1151ed1086e0SVikas Chaudhary } else { 1152d00efe3fSMike Christie init_fw_cb->ipv4_ip_opts &= 11532bab08fcSVikas Chaudhary cpu_to_le16(~IPOPT_IPV4_PROTOCOL_ENABLE & 1154d00efe3fSMike Christie 0xFFFF); 1155ed1086e0SVikas Chaudhary qla4xxx_destroy_ipv4_iface(ha); 1156ed1086e0SVikas Chaudhary } 1157d00efe3fSMike Christie break; 11582d63673bSMike Christie case ISCSI_NET_PARAM_VLAN_TAG: 1159d00efe3fSMike Christie if (iface_param->len != sizeof(init_fw_cb->ipv4_vlan_tag)) 1160d00efe3fSMike Christie break; 11616ac73e8cSVikas Chaudhary init_fw_cb->ipv4_vlan_tag = 11626ac73e8cSVikas Chaudhary cpu_to_be16(*(uint16_t *)iface_param->value); 11636ac73e8cSVikas Chaudhary break; 11646ac73e8cSVikas Chaudhary case ISCSI_NET_PARAM_VLAN_ENABLED: 11656ac73e8cSVikas Chaudhary if (iface_param->value[0] == ISCSI_VLAN_ENABLE) 11666ac73e8cSVikas Chaudhary init_fw_cb->ipv4_ip_opts |= 11676ac73e8cSVikas Chaudhary cpu_to_le16(IPOPT_VLAN_TAGGING_ENABLE); 11686ac73e8cSVikas Chaudhary else 11696ac73e8cSVikas Chaudhary init_fw_cb->ipv4_ip_opts &= 11706ac73e8cSVikas Chaudhary cpu_to_le16(~IPOPT_VLAN_TAGGING_ENABLE); 1171d00efe3fSMike Christie break; 1172943c157bSVikas Chaudhary case ISCSI_NET_PARAM_MTU: 1173943c157bSVikas Chaudhary init_fw_cb->eth_mtu_size = 1174943c157bSVikas Chaudhary cpu_to_le16(*(uint16_t *)iface_param->value); 1175943c157bSVikas Chaudhary break; 11762ada7fc5SVikas Chaudhary case ISCSI_NET_PARAM_PORT: 11772ada7fc5SVikas Chaudhary init_fw_cb->ipv4_port = 11782ada7fc5SVikas Chaudhary cpu_to_le16(*(uint16_t *)iface_param->value); 11792ada7fc5SVikas Chaudhary break; 1180d00efe3fSMike Christie default: 1181d00efe3fSMike Christie ql4_printk(KERN_ERR, ha, "Unknown IPv4 param = %d\n", 1182d00efe3fSMike Christie iface_param->param); 1183d00efe3fSMike Christie break; 1184d00efe3fSMike Christie } 1185d00efe3fSMike Christie } 1186d00efe3fSMike Christie 1187d00efe3fSMike Christie static void 1188d00efe3fSMike Christie qla4xxx_initcb_to_acb(struct addr_ctrl_blk *init_fw_cb) 1189d00efe3fSMike Christie { 1190d00efe3fSMike Christie struct addr_ctrl_blk_def *acb; 1191d00efe3fSMike Christie acb = (struct addr_ctrl_blk_def *)init_fw_cb; 1192d00efe3fSMike Christie memset(acb->reserved1, 0, sizeof(acb->reserved1)); 1193d00efe3fSMike Christie memset(acb->reserved2, 0, sizeof(acb->reserved2)); 1194d00efe3fSMike Christie memset(acb->reserved3, 0, sizeof(acb->reserved3)); 1195d00efe3fSMike Christie memset(acb->reserved4, 0, sizeof(acb->reserved4)); 1196d00efe3fSMike Christie memset(acb->reserved5, 0, sizeof(acb->reserved5)); 1197d00efe3fSMike Christie memset(acb->reserved6, 0, sizeof(acb->reserved6)); 1198d00efe3fSMike Christie memset(acb->reserved7, 0, sizeof(acb->reserved7)); 1199d00efe3fSMike Christie memset(acb->reserved8, 0, sizeof(acb->reserved8)); 1200d00efe3fSMike Christie memset(acb->reserved9, 0, sizeof(acb->reserved9)); 1201d00efe3fSMike Christie memset(acb->reserved10, 0, sizeof(acb->reserved10)); 1202d00efe3fSMike Christie memset(acb->reserved11, 0, sizeof(acb->reserved11)); 1203d00efe3fSMike Christie memset(acb->reserved12, 0, sizeof(acb->reserved12)); 1204d00efe3fSMike Christie memset(acb->reserved13, 0, sizeof(acb->reserved13)); 1205d00efe3fSMike Christie memset(acb->reserved14, 0, sizeof(acb->reserved14)); 1206d00efe3fSMike Christie memset(acb->reserved15, 0, sizeof(acb->reserved15)); 1207d00efe3fSMike Christie } 1208d00efe3fSMike Christie 1209d00efe3fSMike Christie static int 121000c31889SMike Christie qla4xxx_iface_set_param(struct Scsi_Host *shost, void *data, uint32_t len) 1211d00efe3fSMike Christie { 1212d00efe3fSMike Christie struct scsi_qla_host *ha = to_qla_host(shost); 1213d00efe3fSMike Christie int rval = 0; 1214d00efe3fSMike Christie struct iscsi_iface_param_info *iface_param = NULL; 1215d00efe3fSMike Christie struct addr_ctrl_blk *init_fw_cb = NULL; 1216d00efe3fSMike Christie dma_addr_t init_fw_cb_dma; 1217d00efe3fSMike Christie uint32_t mbox_cmd[MBOX_REG_COUNT]; 1218d00efe3fSMike Christie uint32_t mbox_sts[MBOX_REG_COUNT]; 121900c31889SMike Christie uint32_t rem = len; 122000c31889SMike Christie struct nlattr *attr; 1221d00efe3fSMike Christie 1222d00efe3fSMike Christie init_fw_cb = dma_alloc_coherent(&ha->pdev->dev, 1223d00efe3fSMike Christie sizeof(struct addr_ctrl_blk), 1224d00efe3fSMike Christie &init_fw_cb_dma, GFP_KERNEL); 1225d00efe3fSMike Christie if (!init_fw_cb) { 1226d00efe3fSMike Christie ql4_printk(KERN_ERR, ha, "%s: Unable to alloc init_cb\n", 1227d00efe3fSMike Christie __func__); 1228d00efe3fSMike Christie return -ENOMEM; 1229d00efe3fSMike Christie } 1230d00efe3fSMike Christie 1231d00efe3fSMike Christie memset(init_fw_cb, 0, sizeof(struct addr_ctrl_blk)); 1232d00efe3fSMike Christie memset(&mbox_cmd, 0, sizeof(mbox_cmd)); 1233d00efe3fSMike Christie memset(&mbox_sts, 0, sizeof(mbox_sts)); 1234d00efe3fSMike Christie 1235d00efe3fSMike Christie if (qla4xxx_get_ifcb(ha, &mbox_cmd[0], &mbox_sts[0], init_fw_cb_dma)) { 1236d00efe3fSMike Christie ql4_printk(KERN_ERR, ha, "%s: get ifcb failed\n", __func__); 1237d00efe3fSMike Christie rval = -EIO; 1238d00efe3fSMike Christie goto exit_init_fw_cb; 1239d00efe3fSMike Christie } 1240d00efe3fSMike Christie 124100c31889SMike Christie nla_for_each_attr(attr, data, len, rem) { 124200c31889SMike Christie iface_param = nla_data(attr); 1243d00efe3fSMike Christie 1244d00efe3fSMike Christie if (iface_param->param_type != ISCSI_NET_PARAM) 1245d00efe3fSMike Christie continue; 1246d00efe3fSMike Christie 1247d00efe3fSMike Christie switch (iface_param->iface_type) { 1248d00efe3fSMike Christie case ISCSI_IFACE_TYPE_IPV4: 1249d00efe3fSMike Christie switch (iface_param->iface_num) { 1250d00efe3fSMike Christie case 0: 1251d00efe3fSMike Christie qla4xxx_set_ipv4(ha, iface_param, init_fw_cb); 1252d00efe3fSMike Christie break; 1253d00efe3fSMike Christie default: 1254d00efe3fSMike Christie /* Cannot have more than one IPv4 interface */ 1255d00efe3fSMike Christie ql4_printk(KERN_ERR, ha, "Invalid IPv4 iface " 1256d00efe3fSMike Christie "number = %d\n", 1257d00efe3fSMike Christie iface_param->iface_num); 1258d00efe3fSMike Christie break; 1259d00efe3fSMike Christie } 1260d00efe3fSMike Christie break; 1261d00efe3fSMike Christie case ISCSI_IFACE_TYPE_IPV6: 1262d00efe3fSMike Christie switch (iface_param->iface_num) { 1263d00efe3fSMike Christie case 0: 1264d00efe3fSMike Christie case 1: 1265d00efe3fSMike Christie qla4xxx_set_ipv6(ha, iface_param, init_fw_cb); 1266d00efe3fSMike Christie break; 1267d00efe3fSMike Christie default: 1268d00efe3fSMike Christie /* Cannot have more than two IPv6 interface */ 1269d00efe3fSMike Christie ql4_printk(KERN_ERR, ha, "Invalid IPv6 iface " 1270d00efe3fSMike Christie "number = %d\n", 1271d00efe3fSMike Christie iface_param->iface_num); 1272d00efe3fSMike Christie break; 1273d00efe3fSMike Christie } 1274d00efe3fSMike Christie break; 1275d00efe3fSMike Christie default: 1276d00efe3fSMike Christie ql4_printk(KERN_ERR, ha, "Invalid iface type\n"); 1277d00efe3fSMike Christie break; 1278d00efe3fSMike Christie } 1279d00efe3fSMike Christie } 1280d00efe3fSMike Christie 1281d00efe3fSMike Christie init_fw_cb->cookie = cpu_to_le32(0x11BEAD5A); 1282d00efe3fSMike Christie 1283d00efe3fSMike Christie rval = qla4xxx_set_flash(ha, init_fw_cb_dma, FLASH_SEGMENT_IFCB, 1284d00efe3fSMike Christie sizeof(struct addr_ctrl_blk), 1285d00efe3fSMike Christie FLASH_OPT_RMW_COMMIT); 1286d00efe3fSMike Christie if (rval != QLA_SUCCESS) { 1287d00efe3fSMike Christie ql4_printk(KERN_ERR, ha, "%s: set flash mbx failed\n", 1288d00efe3fSMike Christie __func__); 1289d00efe3fSMike Christie rval = -EIO; 1290d00efe3fSMike Christie goto exit_init_fw_cb; 1291d00efe3fSMike Christie } 1292d00efe3fSMike Christie 1293ce505f9dSVikas Chaudhary rval = qla4xxx_disable_acb(ha); 1294ce505f9dSVikas Chaudhary if (rval != QLA_SUCCESS) { 1295ce505f9dSVikas Chaudhary ql4_printk(KERN_ERR, ha, "%s: disable acb mbx failed\n", 1296ce505f9dSVikas Chaudhary __func__); 1297ce505f9dSVikas Chaudhary rval = -EIO; 1298ce505f9dSVikas Chaudhary goto exit_init_fw_cb; 1299ce505f9dSVikas Chaudhary } 1300ce505f9dSVikas Chaudhary 1301ce505f9dSVikas Chaudhary wait_for_completion_timeout(&ha->disable_acb_comp, 1302ce505f9dSVikas Chaudhary DISABLE_ACB_TOV * HZ); 1303d00efe3fSMike Christie 1304d00efe3fSMike Christie qla4xxx_initcb_to_acb(init_fw_cb); 1305d00efe3fSMike Christie 1306d00efe3fSMike Christie rval = qla4xxx_set_acb(ha, &mbox_cmd[0], &mbox_sts[0], init_fw_cb_dma); 1307d00efe3fSMike Christie if (rval != QLA_SUCCESS) { 1308d00efe3fSMike Christie ql4_printk(KERN_ERR, ha, "%s: set acb mbx failed\n", 1309d00efe3fSMike Christie __func__); 1310d00efe3fSMike Christie rval = -EIO; 1311d00efe3fSMike Christie goto exit_init_fw_cb; 1312d00efe3fSMike Christie } 1313d00efe3fSMike Christie 1314d00efe3fSMike Christie memset(init_fw_cb, 0, sizeof(struct addr_ctrl_blk)); 1315d00efe3fSMike Christie qla4xxx_update_local_ifcb(ha, &mbox_cmd[0], &mbox_sts[0], init_fw_cb, 1316d00efe3fSMike Christie init_fw_cb_dma); 1317d00efe3fSMike Christie 1318d00efe3fSMike Christie exit_init_fw_cb: 1319d00efe3fSMike Christie dma_free_coherent(&ha->pdev->dev, sizeof(struct addr_ctrl_blk), 1320d00efe3fSMike Christie init_fw_cb, init_fw_cb_dma); 1321d00efe3fSMike Christie 1322d00efe3fSMike Christie return rval; 1323d00efe3fSMike Christie } 1324d00efe3fSMike Christie 1325fca9f04dSMike Christie static int qla4xxx_session_get_param(struct iscsi_cls_session *cls_sess, 1326fca9f04dSMike Christie enum iscsi_param param, char *buf) 1327fca9f04dSMike Christie { 1328fca9f04dSMike Christie struct iscsi_session *sess = cls_sess->dd_data; 1329fca9f04dSMike Christie struct ddb_entry *ddb_entry = sess->dd_data; 1330fca9f04dSMike Christie struct scsi_qla_host *ha = ddb_entry->ha; 1331fca9f04dSMike Christie int rval, len; 1332fca9f04dSMike Christie uint16_t idx; 1333fca9f04dSMike Christie 1334fca9f04dSMike Christie switch (param) { 1335fca9f04dSMike Christie case ISCSI_PARAM_CHAP_IN_IDX: 1336fca9f04dSMike Christie rval = qla4xxx_get_chap_index(ha, sess->username_in, 1337fca9f04dSMike Christie sess->password_in, BIDI_CHAP, 1338fca9f04dSMike Christie &idx); 1339fca9f04dSMike Christie if (rval) 1340c7a5e0d0SManish Rangankar len = sprintf(buf, "\n"); 1341c7a5e0d0SManish Rangankar else 1342fca9f04dSMike Christie len = sprintf(buf, "%hu\n", idx); 1343fca9f04dSMike Christie break; 1344fca9f04dSMike Christie case ISCSI_PARAM_CHAP_OUT_IDX: 1345fca9f04dSMike Christie rval = qla4xxx_get_chap_index(ha, sess->username, 1346fca9f04dSMike Christie sess->password, LOCAL_CHAP, 1347fca9f04dSMike Christie &idx); 1348fca9f04dSMike Christie if (rval) 1349c7a5e0d0SManish Rangankar len = sprintf(buf, "\n"); 1350c7a5e0d0SManish Rangankar else 1351fca9f04dSMike Christie len = sprintf(buf, "%hu\n", idx); 1352fca9f04dSMike Christie break; 1353fca9f04dSMike Christie default: 1354fca9f04dSMike Christie return iscsi_session_get_param(cls_sess, param, buf); 1355fca9f04dSMike Christie } 1356fca9f04dSMike Christie 1357fca9f04dSMike Christie return len; 1358fca9f04dSMike Christie } 1359fca9f04dSMike Christie 1360b3a271a9SManish Rangankar static int qla4xxx_conn_get_param(struct iscsi_cls_conn *cls_conn, 1361afaf5a2dSDavid Somayajulu enum iscsi_param param, char *buf) 1362afaf5a2dSDavid Somayajulu { 1363b3a271a9SManish Rangankar struct iscsi_conn *conn; 1364b3a271a9SManish Rangankar struct qla_conn *qla_conn; 1365b3a271a9SManish Rangankar struct sockaddr *dst_addr; 1366b3a271a9SManish Rangankar int len = 0; 1367afaf5a2dSDavid Somayajulu 1368b3a271a9SManish Rangankar conn = cls_conn->dd_data; 1369b3a271a9SManish Rangankar qla_conn = conn->dd_data; 1370d46bdeb1SManish Rangankar dst_addr = (struct sockaddr *)&qla_conn->qla_ep->dst_addr; 1371afaf5a2dSDavid Somayajulu 1372afaf5a2dSDavid Somayajulu switch (param) { 1373afaf5a2dSDavid Somayajulu case ISCSI_PARAM_CONN_PORT: 1374afaf5a2dSDavid Somayajulu case ISCSI_PARAM_CONN_ADDRESS: 1375b3a271a9SManish Rangankar return iscsi_conn_get_addr_param((struct sockaddr_storage *) 1376b3a271a9SManish Rangankar dst_addr, param, buf); 1377afaf5a2dSDavid Somayajulu default: 1378b3a271a9SManish Rangankar return iscsi_conn_get_param(cls_conn, param, buf); 1379afaf5a2dSDavid Somayajulu } 1380afaf5a2dSDavid Somayajulu 1381afaf5a2dSDavid Somayajulu return len; 1382b3a271a9SManish Rangankar 1383afaf5a2dSDavid Somayajulu } 1384afaf5a2dSDavid Somayajulu 138513483730SMike Christie int qla4xxx_get_ddb_index(struct scsi_qla_host *ha, uint16_t *ddb_index) 138613483730SMike Christie { 138713483730SMike Christie uint32_t mbx_sts = 0; 138813483730SMike Christie uint16_t tmp_ddb_index; 138913483730SMike Christie int ret; 139013483730SMike Christie 139113483730SMike Christie get_ddb_index: 139213483730SMike Christie tmp_ddb_index = find_first_zero_bit(ha->ddb_idx_map, MAX_DDB_ENTRIES); 139313483730SMike Christie 139413483730SMike Christie if (tmp_ddb_index >= MAX_DDB_ENTRIES) { 139513483730SMike Christie DEBUG2(ql4_printk(KERN_INFO, ha, 139613483730SMike Christie "Free DDB index not available\n")); 139713483730SMike Christie ret = QLA_ERROR; 139813483730SMike Christie goto exit_get_ddb_index; 139913483730SMike Christie } 140013483730SMike Christie 140113483730SMike Christie if (test_and_set_bit(tmp_ddb_index, ha->ddb_idx_map)) 140213483730SMike Christie goto get_ddb_index; 140313483730SMike Christie 140413483730SMike Christie DEBUG2(ql4_printk(KERN_INFO, ha, 140513483730SMike Christie "Found a free DDB index at %d\n", tmp_ddb_index)); 140613483730SMike Christie ret = qla4xxx_req_ddb_entry(ha, tmp_ddb_index, &mbx_sts); 140713483730SMike Christie if (ret == QLA_ERROR) { 140813483730SMike Christie if (mbx_sts == MBOX_STS_COMMAND_ERROR) { 140913483730SMike Christie ql4_printk(KERN_INFO, ha, 141013483730SMike Christie "DDB index = %d not available trying next\n", 141113483730SMike Christie tmp_ddb_index); 141213483730SMike Christie goto get_ddb_index; 141313483730SMike Christie } 141413483730SMike Christie DEBUG2(ql4_printk(KERN_INFO, ha, 141513483730SMike Christie "Free FW DDB not available\n")); 141613483730SMike Christie } 141713483730SMike Christie 141813483730SMike Christie *ddb_index = tmp_ddb_index; 141913483730SMike Christie 142013483730SMike Christie exit_get_ddb_index: 142113483730SMike Christie return ret; 142213483730SMike Christie } 142313483730SMike Christie 142413483730SMike Christie static int qla4xxx_match_ipaddress(struct scsi_qla_host *ha, 142513483730SMike Christie struct ddb_entry *ddb_entry, 142613483730SMike Christie char *existing_ipaddr, 142713483730SMike Christie char *user_ipaddr) 142813483730SMike Christie { 142913483730SMike Christie uint8_t dst_ipaddr[IPv6_ADDR_LEN]; 143013483730SMike Christie char formatted_ipaddr[DDB_IPADDR_LEN]; 143113483730SMike Christie int status = QLA_SUCCESS, ret = 0; 143213483730SMike Christie 143313483730SMike Christie if (ddb_entry->fw_ddb_entry.options & DDB_OPT_IPV6_DEVICE) { 143413483730SMike Christie ret = in6_pton(user_ipaddr, strlen(user_ipaddr), dst_ipaddr, 143513483730SMike Christie '\0', NULL); 143613483730SMike Christie if (ret == 0) { 143713483730SMike Christie status = QLA_ERROR; 143813483730SMike Christie goto out_match; 143913483730SMike Christie } 144013483730SMike Christie ret = sprintf(formatted_ipaddr, "%pI6", dst_ipaddr); 144113483730SMike Christie } else { 144213483730SMike Christie ret = in4_pton(user_ipaddr, strlen(user_ipaddr), dst_ipaddr, 144313483730SMike Christie '\0', NULL); 144413483730SMike Christie if (ret == 0) { 144513483730SMike Christie status = QLA_ERROR; 144613483730SMike Christie goto out_match; 144713483730SMike Christie } 144813483730SMike Christie ret = sprintf(formatted_ipaddr, "%pI4", dst_ipaddr); 144913483730SMike Christie } 145013483730SMike Christie 145113483730SMike Christie if (strcmp(existing_ipaddr, formatted_ipaddr)) 145213483730SMike Christie status = QLA_ERROR; 145313483730SMike Christie 145413483730SMike Christie out_match: 145513483730SMike Christie return status; 145613483730SMike Christie } 145713483730SMike Christie 145813483730SMike Christie static int qla4xxx_match_fwdb_session(struct scsi_qla_host *ha, 145913483730SMike Christie struct iscsi_cls_conn *cls_conn) 146013483730SMike Christie { 146113483730SMike Christie int idx = 0, max_ddbs, rval; 146213483730SMike Christie struct iscsi_cls_session *cls_sess = iscsi_conn_to_session(cls_conn); 146313483730SMike Christie struct iscsi_session *sess, *existing_sess; 146413483730SMike Christie struct iscsi_conn *conn, *existing_conn; 146513483730SMike Christie struct ddb_entry *ddb_entry; 146613483730SMike Christie 146713483730SMike Christie sess = cls_sess->dd_data; 146813483730SMike Christie conn = cls_conn->dd_data; 146913483730SMike Christie 147013483730SMike Christie if (sess->targetname == NULL || 147113483730SMike Christie conn->persistent_address == NULL || 147213483730SMike Christie conn->persistent_port == 0) 147313483730SMike Christie return QLA_ERROR; 147413483730SMike Christie 147513483730SMike Christie max_ddbs = is_qla40XX(ha) ? MAX_DEV_DB_ENTRIES_40XX : 147613483730SMike Christie MAX_DEV_DB_ENTRIES; 147713483730SMike Christie 147813483730SMike Christie for (idx = 0; idx < max_ddbs; idx++) { 147913483730SMike Christie ddb_entry = qla4xxx_lookup_ddb_by_fw_index(ha, idx); 148013483730SMike Christie if (ddb_entry == NULL) 148113483730SMike Christie continue; 148213483730SMike Christie 148313483730SMike Christie if (ddb_entry->ddb_type != FLASH_DDB) 148413483730SMike Christie continue; 148513483730SMike Christie 148613483730SMike Christie existing_sess = ddb_entry->sess->dd_data; 148713483730SMike Christie existing_conn = ddb_entry->conn->dd_data; 148813483730SMike Christie 148913483730SMike Christie if (existing_sess->targetname == NULL || 149013483730SMike Christie existing_conn->persistent_address == NULL || 149113483730SMike Christie existing_conn->persistent_port == 0) 149213483730SMike Christie continue; 149313483730SMike Christie 149413483730SMike Christie DEBUG2(ql4_printk(KERN_INFO, ha, 149513483730SMike Christie "IQN = %s User IQN = %s\n", 149613483730SMike Christie existing_sess->targetname, 149713483730SMike Christie sess->targetname)); 149813483730SMike Christie 149913483730SMike Christie DEBUG2(ql4_printk(KERN_INFO, ha, 150013483730SMike Christie "IP = %s User IP = %s\n", 150113483730SMike Christie existing_conn->persistent_address, 150213483730SMike Christie conn->persistent_address)); 150313483730SMike Christie 150413483730SMike Christie DEBUG2(ql4_printk(KERN_INFO, ha, 150513483730SMike Christie "Port = %d User Port = %d\n", 150613483730SMike Christie existing_conn->persistent_port, 150713483730SMike Christie conn->persistent_port)); 150813483730SMike Christie 150913483730SMike Christie if (strcmp(existing_sess->targetname, sess->targetname)) 151013483730SMike Christie continue; 151113483730SMike Christie rval = qla4xxx_match_ipaddress(ha, ddb_entry, 151213483730SMike Christie existing_conn->persistent_address, 151313483730SMike Christie conn->persistent_address); 151413483730SMike Christie if (rval == QLA_ERROR) 151513483730SMike Christie continue; 151613483730SMike Christie if (existing_conn->persistent_port != conn->persistent_port) 151713483730SMike Christie continue; 151813483730SMike Christie break; 151913483730SMike Christie } 152013483730SMike Christie 152113483730SMike Christie if (idx == max_ddbs) 152213483730SMike Christie return QLA_ERROR; 152313483730SMike Christie 152413483730SMike Christie DEBUG2(ql4_printk(KERN_INFO, ha, 152513483730SMike Christie "Match found in fwdb sessions\n")); 152613483730SMike Christie return QLA_SUCCESS; 152713483730SMike Christie } 152813483730SMike Christie 1529b3a271a9SManish Rangankar static struct iscsi_cls_session * 1530b3a271a9SManish Rangankar qla4xxx_session_create(struct iscsi_endpoint *ep, 1531b3a271a9SManish Rangankar uint16_t cmds_max, uint16_t qdepth, 1532b3a271a9SManish Rangankar uint32_t initial_cmdsn) 1533b3a271a9SManish Rangankar { 1534b3a271a9SManish Rangankar struct iscsi_cls_session *cls_sess; 1535b3a271a9SManish Rangankar struct scsi_qla_host *ha; 1536b3a271a9SManish Rangankar struct qla_endpoint *qla_ep; 1537b3a271a9SManish Rangankar struct ddb_entry *ddb_entry; 153813483730SMike Christie uint16_t ddb_index; 1539b3a271a9SManish Rangankar struct iscsi_session *sess; 1540b3a271a9SManish Rangankar struct sockaddr *dst_addr; 1541b3a271a9SManish Rangankar int ret; 1542b3a271a9SManish Rangankar 1543b3a271a9SManish Rangankar DEBUG2(printk(KERN_INFO "Func: %s\n", __func__)); 1544b3a271a9SManish Rangankar if (!ep) { 1545b3a271a9SManish Rangankar printk(KERN_ERR "qla4xxx: missing ep.\n"); 1546b3a271a9SManish Rangankar return NULL; 1547b3a271a9SManish Rangankar } 1548b3a271a9SManish Rangankar 1549b3a271a9SManish Rangankar qla_ep = ep->dd_data; 1550b3a271a9SManish Rangankar dst_addr = (struct sockaddr *)&qla_ep->dst_addr; 1551b3a271a9SManish Rangankar ha = to_qla_host(qla_ep->host); 1552736cf369SManish Rangankar 155313483730SMike Christie ret = qla4xxx_get_ddb_index(ha, &ddb_index); 155413483730SMike Christie if (ret == QLA_ERROR) 1555b3a271a9SManish Rangankar return NULL; 1556b3a271a9SManish Rangankar 1557b3a271a9SManish Rangankar cls_sess = iscsi_session_setup(&qla4xxx_iscsi_transport, qla_ep->host, 1558b3a271a9SManish Rangankar cmds_max, sizeof(struct ddb_entry), 1559b3a271a9SManish Rangankar sizeof(struct ql4_task_data), 1560b3a271a9SManish Rangankar initial_cmdsn, ddb_index); 1561b3a271a9SManish Rangankar if (!cls_sess) 1562b3a271a9SManish Rangankar return NULL; 1563b3a271a9SManish Rangankar 1564b3a271a9SManish Rangankar sess = cls_sess->dd_data; 1565b3a271a9SManish Rangankar ddb_entry = sess->dd_data; 1566b3a271a9SManish Rangankar ddb_entry->fw_ddb_index = ddb_index; 1567b3a271a9SManish Rangankar ddb_entry->fw_ddb_device_state = DDB_DS_NO_CONNECTION_ACTIVE; 1568b3a271a9SManish Rangankar ddb_entry->ha = ha; 1569b3a271a9SManish Rangankar ddb_entry->sess = cls_sess; 157013483730SMike Christie ddb_entry->unblock_sess = qla4xxx_unblock_ddb; 157113483730SMike Christie ddb_entry->ddb_change = qla4xxx_ddb_change; 1572b3a271a9SManish Rangankar cls_sess->recovery_tmo = ql4xsess_recovery_tmo; 1573b3a271a9SManish Rangankar ha->fw_ddb_index_map[ddb_entry->fw_ddb_index] = ddb_entry; 1574b3a271a9SManish Rangankar ha->tot_ddbs++; 1575b3a271a9SManish Rangankar 1576b3a271a9SManish Rangankar return cls_sess; 1577b3a271a9SManish Rangankar } 1578b3a271a9SManish Rangankar 1579b3a271a9SManish Rangankar static void qla4xxx_session_destroy(struct iscsi_cls_session *cls_sess) 1580b3a271a9SManish Rangankar { 1581b3a271a9SManish Rangankar struct iscsi_session *sess; 1582b3a271a9SManish Rangankar struct ddb_entry *ddb_entry; 1583b3a271a9SManish Rangankar struct scsi_qla_host *ha; 158490599b62SManish Rangankar unsigned long flags, wtime; 158590599b62SManish Rangankar struct dev_db_entry *fw_ddb_entry = NULL; 158690599b62SManish Rangankar dma_addr_t fw_ddb_entry_dma; 158790599b62SManish Rangankar uint32_t ddb_state; 158890599b62SManish Rangankar int ret; 1589b3a271a9SManish Rangankar 1590b3a271a9SManish Rangankar DEBUG2(printk(KERN_INFO "Func: %s\n", __func__)); 1591b3a271a9SManish Rangankar sess = cls_sess->dd_data; 1592b3a271a9SManish Rangankar ddb_entry = sess->dd_data; 1593b3a271a9SManish Rangankar ha = ddb_entry->ha; 1594b3a271a9SManish Rangankar 159590599b62SManish Rangankar fw_ddb_entry = dma_alloc_coherent(&ha->pdev->dev, sizeof(*fw_ddb_entry), 159690599b62SManish Rangankar &fw_ddb_entry_dma, GFP_KERNEL); 159790599b62SManish Rangankar if (!fw_ddb_entry) { 159890599b62SManish Rangankar ql4_printk(KERN_ERR, ha, 159990599b62SManish Rangankar "%s: Unable to allocate dma buffer\n", __func__); 160090599b62SManish Rangankar goto destroy_session; 160190599b62SManish Rangankar } 160290599b62SManish Rangankar 160390599b62SManish Rangankar wtime = jiffies + (HZ * LOGOUT_TOV); 160490599b62SManish Rangankar do { 160590599b62SManish Rangankar ret = qla4xxx_get_fwddb_entry(ha, ddb_entry->fw_ddb_index, 160690599b62SManish Rangankar fw_ddb_entry, fw_ddb_entry_dma, 160790599b62SManish Rangankar NULL, NULL, &ddb_state, NULL, 160890599b62SManish Rangankar NULL, NULL); 160990599b62SManish Rangankar if (ret == QLA_ERROR) 161090599b62SManish Rangankar goto destroy_session; 161190599b62SManish Rangankar 161290599b62SManish Rangankar if ((ddb_state == DDB_DS_NO_CONNECTION_ACTIVE) || 161390599b62SManish Rangankar (ddb_state == DDB_DS_SESSION_FAILED)) 161490599b62SManish Rangankar goto destroy_session; 161590599b62SManish Rangankar 161690599b62SManish Rangankar schedule_timeout_uninterruptible(HZ); 161790599b62SManish Rangankar } while ((time_after(wtime, jiffies))); 161890599b62SManish Rangankar 161990599b62SManish Rangankar destroy_session: 1620736cf369SManish Rangankar qla4xxx_clear_ddb_entry(ha, ddb_entry->fw_ddb_index); 1621736cf369SManish Rangankar 1622b3a271a9SManish Rangankar spin_lock_irqsave(&ha->hardware_lock, flags); 1623b3a271a9SManish Rangankar qla4xxx_free_ddb(ha, ddb_entry); 1624b3a271a9SManish Rangankar spin_unlock_irqrestore(&ha->hardware_lock, flags); 162590599b62SManish Rangankar 1626b3a271a9SManish Rangankar iscsi_session_teardown(cls_sess); 162790599b62SManish Rangankar 162890599b62SManish Rangankar if (fw_ddb_entry) 162990599b62SManish Rangankar dma_free_coherent(&ha->pdev->dev, sizeof(*fw_ddb_entry), 163090599b62SManish Rangankar fw_ddb_entry, fw_ddb_entry_dma); 1631b3a271a9SManish Rangankar } 1632b3a271a9SManish Rangankar 1633b3a271a9SManish Rangankar static struct iscsi_cls_conn * 1634b3a271a9SManish Rangankar qla4xxx_conn_create(struct iscsi_cls_session *cls_sess, uint32_t conn_idx) 1635b3a271a9SManish Rangankar { 1636b3a271a9SManish Rangankar struct iscsi_cls_conn *cls_conn; 1637b3a271a9SManish Rangankar struct iscsi_session *sess; 1638b3a271a9SManish Rangankar struct ddb_entry *ddb_entry; 1639b3a271a9SManish Rangankar 1640b3a271a9SManish Rangankar DEBUG2(printk(KERN_INFO "Func: %s\n", __func__)); 1641b3a271a9SManish Rangankar cls_conn = iscsi_conn_setup(cls_sess, sizeof(struct qla_conn), 1642b3a271a9SManish Rangankar conn_idx); 1643ff1d0319SMike Christie if (!cls_conn) 1644ff1d0319SMike Christie return NULL; 1645ff1d0319SMike Christie 1646b3a271a9SManish Rangankar sess = cls_sess->dd_data; 1647b3a271a9SManish Rangankar ddb_entry = sess->dd_data; 1648b3a271a9SManish Rangankar ddb_entry->conn = cls_conn; 1649b3a271a9SManish Rangankar 1650b3a271a9SManish Rangankar return cls_conn; 1651b3a271a9SManish Rangankar } 1652b3a271a9SManish Rangankar 1653b3a271a9SManish Rangankar static int qla4xxx_conn_bind(struct iscsi_cls_session *cls_session, 1654b3a271a9SManish Rangankar struct iscsi_cls_conn *cls_conn, 1655b3a271a9SManish Rangankar uint64_t transport_fd, int is_leading) 1656b3a271a9SManish Rangankar { 1657b3a271a9SManish Rangankar struct iscsi_conn *conn; 1658b3a271a9SManish Rangankar struct qla_conn *qla_conn; 1659b3a271a9SManish Rangankar struct iscsi_endpoint *ep; 1660b3a271a9SManish Rangankar 1661b3a271a9SManish Rangankar DEBUG2(printk(KERN_INFO "Func: %s\n", __func__)); 1662b3a271a9SManish Rangankar 1663b3a271a9SManish Rangankar if (iscsi_conn_bind(cls_session, cls_conn, is_leading)) 1664b3a271a9SManish Rangankar return -EINVAL; 1665b3a271a9SManish Rangankar ep = iscsi_lookup_endpoint(transport_fd); 1666b3a271a9SManish Rangankar conn = cls_conn->dd_data; 1667b3a271a9SManish Rangankar qla_conn = conn->dd_data; 1668b3a271a9SManish Rangankar qla_conn->qla_ep = ep->dd_data; 1669b3a271a9SManish Rangankar return 0; 1670b3a271a9SManish Rangankar } 1671b3a271a9SManish Rangankar 1672b3a271a9SManish Rangankar static int qla4xxx_conn_start(struct iscsi_cls_conn *cls_conn) 1673b3a271a9SManish Rangankar { 1674b3a271a9SManish Rangankar struct iscsi_cls_session *cls_sess = iscsi_conn_to_session(cls_conn); 1675b3a271a9SManish Rangankar struct iscsi_session *sess; 1676b3a271a9SManish Rangankar struct ddb_entry *ddb_entry; 1677b3a271a9SManish Rangankar struct scsi_qla_host *ha; 167813483730SMike Christie struct dev_db_entry *fw_ddb_entry = NULL; 1679b3a271a9SManish Rangankar dma_addr_t fw_ddb_entry_dma; 1680b3a271a9SManish Rangankar uint32_t mbx_sts = 0; 1681b3a271a9SManish Rangankar int ret = 0; 1682b3a271a9SManish Rangankar int status = QLA_SUCCESS; 1683b3a271a9SManish Rangankar 1684b3a271a9SManish Rangankar DEBUG2(printk(KERN_INFO "Func: %s\n", __func__)); 1685b3a271a9SManish Rangankar sess = cls_sess->dd_data; 1686b3a271a9SManish Rangankar ddb_entry = sess->dd_data; 1687b3a271a9SManish Rangankar ha = ddb_entry->ha; 1688b3a271a9SManish Rangankar 168913483730SMike Christie /* Check if we have matching FW DDB, if yes then do not 169013483730SMike Christie * login to this target. This could cause target to logout previous 169113483730SMike Christie * connection 169213483730SMike Christie */ 169313483730SMike Christie ret = qla4xxx_match_fwdb_session(ha, cls_conn); 169413483730SMike Christie if (ret == QLA_SUCCESS) { 169513483730SMike Christie ql4_printk(KERN_INFO, ha, 169613483730SMike Christie "Session already exist in FW.\n"); 169713483730SMike Christie ret = -EEXIST; 169813483730SMike Christie goto exit_conn_start; 169913483730SMike Christie } 170013483730SMike Christie 1701b3a271a9SManish Rangankar fw_ddb_entry = dma_alloc_coherent(&ha->pdev->dev, sizeof(*fw_ddb_entry), 1702b3a271a9SManish Rangankar &fw_ddb_entry_dma, GFP_KERNEL); 1703b3a271a9SManish Rangankar if (!fw_ddb_entry) { 1704b3a271a9SManish Rangankar ql4_printk(KERN_ERR, ha, 1705b3a271a9SManish Rangankar "%s: Unable to allocate dma buffer\n", __func__); 170613483730SMike Christie ret = -ENOMEM; 170713483730SMike Christie goto exit_conn_start; 1708b3a271a9SManish Rangankar } 1709b3a271a9SManish Rangankar 1710b3a271a9SManish Rangankar ret = qla4xxx_set_param_ddbentry(ha, ddb_entry, cls_conn, &mbx_sts); 1711b3a271a9SManish Rangankar if (ret) { 1712b3a271a9SManish Rangankar /* If iscsid is stopped and started then no need to do 1713b3a271a9SManish Rangankar * set param again since ddb state will be already 1714b3a271a9SManish Rangankar * active and FW does not allow set ddb to an 1715b3a271a9SManish Rangankar * active session. 1716b3a271a9SManish Rangankar */ 1717b3a271a9SManish Rangankar if (mbx_sts) 1718b3a271a9SManish Rangankar if (ddb_entry->fw_ddb_device_state == 1719f922da79SManish Rangankar DDB_DS_SESSION_ACTIVE) { 172013483730SMike Christie ddb_entry->unblock_sess(ddb_entry->sess); 1721b3a271a9SManish Rangankar goto exit_set_param; 1722f922da79SManish Rangankar } 1723b3a271a9SManish Rangankar 1724b3a271a9SManish Rangankar ql4_printk(KERN_ERR, ha, "%s: Failed set param for index[%d]\n", 1725b3a271a9SManish Rangankar __func__, ddb_entry->fw_ddb_index); 1726b3a271a9SManish Rangankar goto exit_conn_start; 1727b3a271a9SManish Rangankar } 1728b3a271a9SManish Rangankar 1729b3a271a9SManish Rangankar status = qla4xxx_conn_open(ha, ddb_entry->fw_ddb_index); 1730b3a271a9SManish Rangankar if (status == QLA_ERROR) { 17310e7e8501SManish Rangankar ql4_printk(KERN_ERR, ha, "%s: Login failed: %s\n", __func__, 17320e7e8501SManish Rangankar sess->targetname); 1733b3a271a9SManish Rangankar ret = -EINVAL; 1734b3a271a9SManish Rangankar goto exit_conn_start; 1735b3a271a9SManish Rangankar } 1736b3a271a9SManish Rangankar 173798270ab4SManish Rangankar if (ddb_entry->fw_ddb_device_state == DDB_DS_NO_CONNECTION_ACTIVE) 1738b3a271a9SManish Rangankar ddb_entry->fw_ddb_device_state = DDB_DS_LOGIN_IN_PROCESS; 1739b3a271a9SManish Rangankar 174098270ab4SManish Rangankar DEBUG2(printk(KERN_INFO "%s: DDB state [%d]\n", __func__, 174198270ab4SManish Rangankar ddb_entry->fw_ddb_device_state)); 174298270ab4SManish Rangankar 1743b3a271a9SManish Rangankar exit_set_param: 1744b3a271a9SManish Rangankar ret = 0; 1745b3a271a9SManish Rangankar 1746b3a271a9SManish Rangankar exit_conn_start: 174713483730SMike Christie if (fw_ddb_entry) 1748b3a271a9SManish Rangankar dma_free_coherent(&ha->pdev->dev, sizeof(*fw_ddb_entry), 1749b3a271a9SManish Rangankar fw_ddb_entry, fw_ddb_entry_dma); 1750b3a271a9SManish Rangankar return ret; 1751b3a271a9SManish Rangankar } 1752b3a271a9SManish Rangankar 1753b3a271a9SManish Rangankar static void qla4xxx_conn_destroy(struct iscsi_cls_conn *cls_conn) 1754b3a271a9SManish Rangankar { 1755b3a271a9SManish Rangankar struct iscsi_cls_session *cls_sess = iscsi_conn_to_session(cls_conn); 1756b3a271a9SManish Rangankar struct iscsi_session *sess; 1757b3a271a9SManish Rangankar struct scsi_qla_host *ha; 1758b3a271a9SManish Rangankar struct ddb_entry *ddb_entry; 1759b3a271a9SManish Rangankar int options; 1760b3a271a9SManish Rangankar 1761b3a271a9SManish Rangankar DEBUG2(printk(KERN_INFO "Func: %s\n", __func__)); 1762b3a271a9SManish Rangankar sess = cls_sess->dd_data; 1763b3a271a9SManish Rangankar ddb_entry = sess->dd_data; 1764b3a271a9SManish Rangankar ha = ddb_entry->ha; 1765b3a271a9SManish Rangankar 1766b3a271a9SManish Rangankar options = LOGOUT_OPTION_CLOSE_SESSION; 1767b3a271a9SManish Rangankar if (qla4xxx_session_logout_ddb(ha, ddb_entry, options) == QLA_ERROR) 1768b3a271a9SManish Rangankar ql4_printk(KERN_ERR, ha, "%s: Logout failed\n", __func__); 1769b3a271a9SManish Rangankar } 1770b3a271a9SManish Rangankar 1771b3a271a9SManish Rangankar static void qla4xxx_task_work(struct work_struct *wdata) 1772b3a271a9SManish Rangankar { 1773b3a271a9SManish Rangankar struct ql4_task_data *task_data; 1774b3a271a9SManish Rangankar struct scsi_qla_host *ha; 1775b3a271a9SManish Rangankar struct passthru_status *sts; 1776b3a271a9SManish Rangankar struct iscsi_task *task; 1777b3a271a9SManish Rangankar struct iscsi_hdr *hdr; 1778b3a271a9SManish Rangankar uint8_t *data; 1779b3a271a9SManish Rangankar uint32_t data_len; 1780b3a271a9SManish Rangankar struct iscsi_conn *conn; 1781b3a271a9SManish Rangankar int hdr_len; 1782b3a271a9SManish Rangankar itt_t itt; 1783b3a271a9SManish Rangankar 1784b3a271a9SManish Rangankar task_data = container_of(wdata, struct ql4_task_data, task_work); 1785b3a271a9SManish Rangankar ha = task_data->ha; 1786b3a271a9SManish Rangankar task = task_data->task; 1787b3a271a9SManish Rangankar sts = &task_data->sts; 1788b3a271a9SManish Rangankar hdr_len = sizeof(struct iscsi_hdr); 1789b3a271a9SManish Rangankar 1790b3a271a9SManish Rangankar DEBUG3(printk(KERN_INFO "Status returned\n")); 1791b3a271a9SManish Rangankar DEBUG3(qla4xxx_dump_buffer(sts, 64)); 1792b3a271a9SManish Rangankar DEBUG3(printk(KERN_INFO "Response buffer")); 1793b3a271a9SManish Rangankar DEBUG3(qla4xxx_dump_buffer(task_data->resp_buffer, 64)); 1794b3a271a9SManish Rangankar 1795b3a271a9SManish Rangankar conn = task->conn; 1796b3a271a9SManish Rangankar 1797b3a271a9SManish Rangankar switch (sts->completionStatus) { 1798b3a271a9SManish Rangankar case PASSTHRU_STATUS_COMPLETE: 1799b3a271a9SManish Rangankar hdr = (struct iscsi_hdr *)task_data->resp_buffer; 1800b3a271a9SManish Rangankar /* Assign back the itt in hdr, until we use the PREASSIGN_TAG */ 1801b3a271a9SManish Rangankar itt = sts->handle; 1802b3a271a9SManish Rangankar hdr->itt = itt; 1803b3a271a9SManish Rangankar data = task_data->resp_buffer + hdr_len; 1804b3a271a9SManish Rangankar data_len = task_data->resp_len - hdr_len; 1805b3a271a9SManish Rangankar iscsi_complete_pdu(conn, hdr, data, data_len); 1806b3a271a9SManish Rangankar break; 1807b3a271a9SManish Rangankar default: 1808b3a271a9SManish Rangankar ql4_printk(KERN_ERR, ha, "Passthru failed status = 0x%x\n", 1809b3a271a9SManish Rangankar sts->completionStatus); 1810b3a271a9SManish Rangankar break; 1811b3a271a9SManish Rangankar } 1812b3a271a9SManish Rangankar return; 1813b3a271a9SManish Rangankar } 1814b3a271a9SManish Rangankar 1815b3a271a9SManish Rangankar static int qla4xxx_alloc_pdu(struct iscsi_task *task, uint8_t opcode) 1816b3a271a9SManish Rangankar { 1817b3a271a9SManish Rangankar struct ql4_task_data *task_data; 1818b3a271a9SManish Rangankar struct iscsi_session *sess; 1819b3a271a9SManish Rangankar struct ddb_entry *ddb_entry; 1820b3a271a9SManish Rangankar struct scsi_qla_host *ha; 1821b3a271a9SManish Rangankar int hdr_len; 1822b3a271a9SManish Rangankar 1823b3a271a9SManish Rangankar sess = task->conn->session; 1824b3a271a9SManish Rangankar ddb_entry = sess->dd_data; 1825b3a271a9SManish Rangankar ha = ddb_entry->ha; 1826b3a271a9SManish Rangankar task_data = task->dd_data; 1827b3a271a9SManish Rangankar memset(task_data, 0, sizeof(struct ql4_task_data)); 1828b3a271a9SManish Rangankar 1829b3a271a9SManish Rangankar if (task->sc) { 1830b3a271a9SManish Rangankar ql4_printk(KERN_INFO, ha, 1831b3a271a9SManish Rangankar "%s: SCSI Commands not implemented\n", __func__); 1832b3a271a9SManish Rangankar return -EINVAL; 1833b3a271a9SManish Rangankar } 1834b3a271a9SManish Rangankar 1835b3a271a9SManish Rangankar hdr_len = sizeof(struct iscsi_hdr); 1836b3a271a9SManish Rangankar task_data->ha = ha; 1837b3a271a9SManish Rangankar task_data->task = task; 1838b3a271a9SManish Rangankar 1839b3a271a9SManish Rangankar if (task->data_count) { 1840b3a271a9SManish Rangankar task_data->data_dma = dma_map_single(&ha->pdev->dev, task->data, 1841b3a271a9SManish Rangankar task->data_count, 1842b3a271a9SManish Rangankar PCI_DMA_TODEVICE); 1843b3a271a9SManish Rangankar } 1844b3a271a9SManish Rangankar 1845b3a271a9SManish Rangankar DEBUG2(ql4_printk(KERN_INFO, ha, "%s: MaxRecvLen %u, iscsi hrd %d\n", 1846b3a271a9SManish Rangankar __func__, task->conn->max_recv_dlength, hdr_len)); 1847b3a271a9SManish Rangankar 184869ca216eSManish Rangankar task_data->resp_len = task->conn->max_recv_dlength + hdr_len; 1849b3a271a9SManish Rangankar task_data->resp_buffer = dma_alloc_coherent(&ha->pdev->dev, 1850b3a271a9SManish Rangankar task_data->resp_len, 1851b3a271a9SManish Rangankar &task_data->resp_dma, 1852b3a271a9SManish Rangankar GFP_ATOMIC); 1853b3a271a9SManish Rangankar if (!task_data->resp_buffer) 1854b3a271a9SManish Rangankar goto exit_alloc_pdu; 1855b3a271a9SManish Rangankar 185669ca216eSManish Rangankar task_data->req_len = task->data_count + hdr_len; 1857b3a271a9SManish Rangankar task_data->req_buffer = dma_alloc_coherent(&ha->pdev->dev, 185869ca216eSManish Rangankar task_data->req_len, 1859b3a271a9SManish Rangankar &task_data->req_dma, 1860b3a271a9SManish Rangankar GFP_ATOMIC); 1861b3a271a9SManish Rangankar if (!task_data->req_buffer) 1862b3a271a9SManish Rangankar goto exit_alloc_pdu; 1863b3a271a9SManish Rangankar 1864b3a271a9SManish Rangankar task->hdr = task_data->req_buffer; 1865b3a271a9SManish Rangankar 1866b3a271a9SManish Rangankar INIT_WORK(&task_data->task_work, qla4xxx_task_work); 1867b3a271a9SManish Rangankar 1868b3a271a9SManish Rangankar return 0; 1869b3a271a9SManish Rangankar 1870b3a271a9SManish Rangankar exit_alloc_pdu: 1871b3a271a9SManish Rangankar if (task_data->resp_buffer) 1872b3a271a9SManish Rangankar dma_free_coherent(&ha->pdev->dev, task_data->resp_len, 1873b3a271a9SManish Rangankar task_data->resp_buffer, task_data->resp_dma); 1874b3a271a9SManish Rangankar 1875b3a271a9SManish Rangankar if (task_data->req_buffer) 187669ca216eSManish Rangankar dma_free_coherent(&ha->pdev->dev, task_data->req_len, 1877b3a271a9SManish Rangankar task_data->req_buffer, task_data->req_dma); 1878b3a271a9SManish Rangankar return -ENOMEM; 1879b3a271a9SManish Rangankar } 1880b3a271a9SManish Rangankar 1881b3a271a9SManish Rangankar static void qla4xxx_task_cleanup(struct iscsi_task *task) 1882b3a271a9SManish Rangankar { 1883b3a271a9SManish Rangankar struct ql4_task_data *task_data; 1884b3a271a9SManish Rangankar struct iscsi_session *sess; 1885b3a271a9SManish Rangankar struct ddb_entry *ddb_entry; 1886b3a271a9SManish Rangankar struct scsi_qla_host *ha; 1887b3a271a9SManish Rangankar int hdr_len; 1888b3a271a9SManish Rangankar 1889b3a271a9SManish Rangankar hdr_len = sizeof(struct iscsi_hdr); 1890b3a271a9SManish Rangankar sess = task->conn->session; 1891b3a271a9SManish Rangankar ddb_entry = sess->dd_data; 1892b3a271a9SManish Rangankar ha = ddb_entry->ha; 1893b3a271a9SManish Rangankar task_data = task->dd_data; 1894b3a271a9SManish Rangankar 1895b3a271a9SManish Rangankar if (task->data_count) { 1896b3a271a9SManish Rangankar dma_unmap_single(&ha->pdev->dev, task_data->data_dma, 1897b3a271a9SManish Rangankar task->data_count, PCI_DMA_TODEVICE); 1898b3a271a9SManish Rangankar } 1899b3a271a9SManish Rangankar 1900b3a271a9SManish Rangankar DEBUG2(ql4_printk(KERN_INFO, ha, "%s: MaxRecvLen %u, iscsi hrd %d\n", 1901b3a271a9SManish Rangankar __func__, task->conn->max_recv_dlength, hdr_len)); 1902b3a271a9SManish Rangankar 1903b3a271a9SManish Rangankar dma_free_coherent(&ha->pdev->dev, task_data->resp_len, 1904b3a271a9SManish Rangankar task_data->resp_buffer, task_data->resp_dma); 190569ca216eSManish Rangankar dma_free_coherent(&ha->pdev->dev, task_data->req_len, 1906b3a271a9SManish Rangankar task_data->req_buffer, task_data->req_dma); 1907b3a271a9SManish Rangankar return; 1908b3a271a9SManish Rangankar } 1909b3a271a9SManish Rangankar 1910b3a271a9SManish Rangankar static int qla4xxx_task_xmit(struct iscsi_task *task) 1911b3a271a9SManish Rangankar { 1912b3a271a9SManish Rangankar struct scsi_cmnd *sc = task->sc; 1913b3a271a9SManish Rangankar struct iscsi_session *sess = task->conn->session; 1914b3a271a9SManish Rangankar struct ddb_entry *ddb_entry = sess->dd_data; 1915b3a271a9SManish Rangankar struct scsi_qla_host *ha = ddb_entry->ha; 1916b3a271a9SManish Rangankar 1917b3a271a9SManish Rangankar if (!sc) 1918b3a271a9SManish Rangankar return qla4xxx_send_passthru0(task); 1919b3a271a9SManish Rangankar 1920b3a271a9SManish Rangankar ql4_printk(KERN_INFO, ha, "%s: scsi cmd xmit not implemented\n", 1921b3a271a9SManish Rangankar __func__); 1922b3a271a9SManish Rangankar return -ENOSYS; 1923b3a271a9SManish Rangankar } 1924b3a271a9SManish Rangankar 192513483730SMike Christie static void qla4xxx_copy_fwddb_param(struct scsi_qla_host *ha, 192613483730SMike Christie struct dev_db_entry *fw_ddb_entry, 192713483730SMike Christie struct iscsi_cls_session *cls_sess, 192813483730SMike Christie struct iscsi_cls_conn *cls_conn) 192913483730SMike Christie { 193013483730SMike Christie int buflen = 0; 193113483730SMike Christie struct iscsi_session *sess; 1932376738afSNilesh Javali struct ddb_entry *ddb_entry; 193313483730SMike Christie struct iscsi_conn *conn; 193413483730SMike Christie char ip_addr[DDB_IPADDR_LEN]; 193513483730SMike Christie uint16_t options = 0; 193613483730SMike Christie 193713483730SMike Christie sess = cls_sess->dd_data; 1938376738afSNilesh Javali ddb_entry = sess->dd_data; 193913483730SMike Christie conn = cls_conn->dd_data; 194013483730SMike Christie 1941376738afSNilesh Javali ddb_entry->chap_tbl_idx = le16_to_cpu(fw_ddb_entry->chap_tbl_idx); 1942376738afSNilesh Javali 194313483730SMike Christie conn->max_recv_dlength = BYTE_UNITS * 194413483730SMike Christie le16_to_cpu(fw_ddb_entry->iscsi_max_rcv_data_seg_len); 194513483730SMike Christie 194613483730SMike Christie conn->max_xmit_dlength = BYTE_UNITS * 194713483730SMike Christie le16_to_cpu(fw_ddb_entry->iscsi_max_snd_data_seg_len); 194813483730SMike Christie 194913483730SMike Christie sess->initial_r2t_en = 195013483730SMike Christie (BIT_10 & le16_to_cpu(fw_ddb_entry->iscsi_options)); 195113483730SMike Christie 195213483730SMike Christie sess->max_r2t = le16_to_cpu(fw_ddb_entry->iscsi_max_outsnd_r2t); 195313483730SMike Christie 195413483730SMike Christie sess->imm_data_en = (BIT_11 & le16_to_cpu(fw_ddb_entry->iscsi_options)); 195513483730SMike Christie 195613483730SMike Christie sess->first_burst = BYTE_UNITS * 195713483730SMike Christie le16_to_cpu(fw_ddb_entry->iscsi_first_burst_len); 195813483730SMike Christie 195913483730SMike Christie sess->max_burst = BYTE_UNITS * 196013483730SMike Christie le16_to_cpu(fw_ddb_entry->iscsi_max_burst_len); 196113483730SMike Christie 196213483730SMike Christie sess->time2wait = le16_to_cpu(fw_ddb_entry->iscsi_def_time2wait); 196313483730SMike Christie 196413483730SMike Christie sess->time2retain = le16_to_cpu(fw_ddb_entry->iscsi_def_time2retain); 196513483730SMike Christie 196613483730SMike Christie conn->persistent_port = le16_to_cpu(fw_ddb_entry->port); 196713483730SMike Christie 196813483730SMike Christie sess->tpgt = le32_to_cpu(fw_ddb_entry->tgt_portal_grp); 196913483730SMike Christie 197013483730SMike Christie options = le16_to_cpu(fw_ddb_entry->options); 197113483730SMike Christie if (options & DDB_OPT_IPV6_DEVICE) 197213483730SMike Christie sprintf(ip_addr, "%pI6", fw_ddb_entry->ip_addr); 197313483730SMike Christie else 197413483730SMike Christie sprintf(ip_addr, "%pI4", fw_ddb_entry->ip_addr); 197513483730SMike Christie 197613483730SMike Christie iscsi_set_param(cls_conn, ISCSI_PARAM_TARGET_NAME, 197713483730SMike Christie (char *)fw_ddb_entry->iscsi_name, buflen); 197813483730SMike Christie iscsi_set_param(cls_conn, ISCSI_PARAM_INITIATOR_NAME, 197913483730SMike Christie (char *)ha->name_string, buflen); 198013483730SMike Christie iscsi_set_param(cls_conn, ISCSI_PARAM_PERSISTENT_ADDRESS, 198113483730SMike Christie (char *)ip_addr, buflen); 19826c1b8789SVikas Chaudhary iscsi_set_param(cls_conn, ISCSI_PARAM_TARGET_ALIAS, 19836c1b8789SVikas Chaudhary (char *)fw_ddb_entry->iscsi_alias, buflen); 198413483730SMike Christie } 198513483730SMike Christie 198613483730SMike Christie void qla4xxx_update_session_conn_fwddb_param(struct scsi_qla_host *ha, 198713483730SMike Christie struct ddb_entry *ddb_entry) 198813483730SMike Christie { 198913483730SMike Christie struct iscsi_cls_session *cls_sess; 199013483730SMike Christie struct iscsi_cls_conn *cls_conn; 199113483730SMike Christie uint32_t ddb_state; 199213483730SMike Christie dma_addr_t fw_ddb_entry_dma; 199313483730SMike Christie struct dev_db_entry *fw_ddb_entry; 199413483730SMike Christie 199513483730SMike Christie fw_ddb_entry = dma_alloc_coherent(&ha->pdev->dev, sizeof(*fw_ddb_entry), 199613483730SMike Christie &fw_ddb_entry_dma, GFP_KERNEL); 199713483730SMike Christie if (!fw_ddb_entry) { 199813483730SMike Christie ql4_printk(KERN_ERR, ha, 199913483730SMike Christie "%s: Unable to allocate dma buffer\n", __func__); 200013483730SMike Christie goto exit_session_conn_fwddb_param; 200113483730SMike Christie } 200213483730SMike Christie 200313483730SMike Christie if (qla4xxx_get_fwddb_entry(ha, ddb_entry->fw_ddb_index, fw_ddb_entry, 200413483730SMike Christie fw_ddb_entry_dma, NULL, NULL, &ddb_state, 200513483730SMike Christie NULL, NULL, NULL) == QLA_ERROR) { 200613483730SMike Christie DEBUG2(ql4_printk(KERN_ERR, ha, "scsi%ld: %s: failed " 200713483730SMike Christie "get_ddb_entry for fw_ddb_index %d\n", 200813483730SMike Christie ha->host_no, __func__, 200913483730SMike Christie ddb_entry->fw_ddb_index)); 201013483730SMike Christie goto exit_session_conn_fwddb_param; 201113483730SMike Christie } 201213483730SMike Christie 201313483730SMike Christie cls_sess = ddb_entry->sess; 201413483730SMike Christie 201513483730SMike Christie cls_conn = ddb_entry->conn; 201613483730SMike Christie 201713483730SMike Christie /* Update params */ 201813483730SMike Christie qla4xxx_copy_fwddb_param(ha, fw_ddb_entry, cls_sess, cls_conn); 201913483730SMike Christie 202013483730SMike Christie exit_session_conn_fwddb_param: 202113483730SMike Christie if (fw_ddb_entry) 202213483730SMike Christie dma_free_coherent(&ha->pdev->dev, sizeof(*fw_ddb_entry), 202313483730SMike Christie fw_ddb_entry, fw_ddb_entry_dma); 202413483730SMike Christie } 202513483730SMike Christie 2026b3a271a9SManish Rangankar void qla4xxx_update_session_conn_param(struct scsi_qla_host *ha, 2027b3a271a9SManish Rangankar struct ddb_entry *ddb_entry) 2028b3a271a9SManish Rangankar { 2029b3a271a9SManish Rangankar struct iscsi_cls_session *cls_sess; 2030b3a271a9SManish Rangankar struct iscsi_cls_conn *cls_conn; 2031b3a271a9SManish Rangankar struct iscsi_session *sess; 2032b3a271a9SManish Rangankar struct iscsi_conn *conn; 2033b3a271a9SManish Rangankar uint32_t ddb_state; 2034b3a271a9SManish Rangankar dma_addr_t fw_ddb_entry_dma; 2035b3a271a9SManish Rangankar struct dev_db_entry *fw_ddb_entry; 2036b3a271a9SManish Rangankar 2037b3a271a9SManish Rangankar fw_ddb_entry = dma_alloc_coherent(&ha->pdev->dev, sizeof(*fw_ddb_entry), 2038b3a271a9SManish Rangankar &fw_ddb_entry_dma, GFP_KERNEL); 2039b3a271a9SManish Rangankar if (!fw_ddb_entry) { 2040b3a271a9SManish Rangankar ql4_printk(KERN_ERR, ha, 2041b3a271a9SManish Rangankar "%s: Unable to allocate dma buffer\n", __func__); 204213483730SMike Christie goto exit_session_conn_param; 2043b3a271a9SManish Rangankar } 2044b3a271a9SManish Rangankar 2045b3a271a9SManish Rangankar if (qla4xxx_get_fwddb_entry(ha, ddb_entry->fw_ddb_index, fw_ddb_entry, 2046b3a271a9SManish Rangankar fw_ddb_entry_dma, NULL, NULL, &ddb_state, 2047b3a271a9SManish Rangankar NULL, NULL, NULL) == QLA_ERROR) { 2048b3a271a9SManish Rangankar DEBUG2(ql4_printk(KERN_ERR, ha, "scsi%ld: %s: failed " 2049b3a271a9SManish Rangankar "get_ddb_entry for fw_ddb_index %d\n", 2050b3a271a9SManish Rangankar ha->host_no, __func__, 2051b3a271a9SManish Rangankar ddb_entry->fw_ddb_index)); 205213483730SMike Christie goto exit_session_conn_param; 2053b3a271a9SManish Rangankar } 2054b3a271a9SManish Rangankar 2055b3a271a9SManish Rangankar cls_sess = ddb_entry->sess; 2056b3a271a9SManish Rangankar sess = cls_sess->dd_data; 2057b3a271a9SManish Rangankar 2058b3a271a9SManish Rangankar cls_conn = ddb_entry->conn; 2059b3a271a9SManish Rangankar conn = cls_conn->dd_data; 2060b3a271a9SManish Rangankar 206113483730SMike Christie /* Update timers after login */ 206213483730SMike Christie ddb_entry->default_relogin_timeout = 2063c28eaacaSNilesh Javali (le16_to_cpu(fw_ddb_entry->def_timeout) > LOGIN_TOV) && 2064c28eaacaSNilesh Javali (le16_to_cpu(fw_ddb_entry->def_timeout) < LOGIN_TOV * 10) ? 2065c28eaacaSNilesh Javali le16_to_cpu(fw_ddb_entry->def_timeout) : LOGIN_TOV; 206613483730SMike Christie ddb_entry->default_time2wait = 206713483730SMike Christie le16_to_cpu(fw_ddb_entry->iscsi_def_time2wait); 206813483730SMike Christie 2069b3a271a9SManish Rangankar /* Update params */ 2070376738afSNilesh Javali ddb_entry->chap_tbl_idx = le16_to_cpu(fw_ddb_entry->chap_tbl_idx); 2071b3a271a9SManish Rangankar conn->max_recv_dlength = BYTE_UNITS * 2072b3a271a9SManish Rangankar le16_to_cpu(fw_ddb_entry->iscsi_max_rcv_data_seg_len); 2073b3a271a9SManish Rangankar 2074b3a271a9SManish Rangankar conn->max_xmit_dlength = BYTE_UNITS * 2075b3a271a9SManish Rangankar le16_to_cpu(fw_ddb_entry->iscsi_max_snd_data_seg_len); 2076b3a271a9SManish Rangankar 2077b3a271a9SManish Rangankar sess->initial_r2t_en = 2078b3a271a9SManish Rangankar (BIT_10 & le16_to_cpu(fw_ddb_entry->iscsi_options)); 2079b3a271a9SManish Rangankar 2080b3a271a9SManish Rangankar sess->max_r2t = le16_to_cpu(fw_ddb_entry->iscsi_max_outsnd_r2t); 2081b3a271a9SManish Rangankar 2082b3a271a9SManish Rangankar sess->imm_data_en = (BIT_11 & le16_to_cpu(fw_ddb_entry->iscsi_options)); 2083b3a271a9SManish Rangankar 2084b3a271a9SManish Rangankar sess->first_burst = BYTE_UNITS * 2085b3a271a9SManish Rangankar le16_to_cpu(fw_ddb_entry->iscsi_first_burst_len); 2086b3a271a9SManish Rangankar 2087b3a271a9SManish Rangankar sess->max_burst = BYTE_UNITS * 2088b3a271a9SManish Rangankar le16_to_cpu(fw_ddb_entry->iscsi_max_burst_len); 2089b3a271a9SManish Rangankar 2090b3a271a9SManish Rangankar sess->time2wait = le16_to_cpu(fw_ddb_entry->iscsi_def_time2wait); 2091b3a271a9SManish Rangankar 2092b3a271a9SManish Rangankar sess->time2retain = le16_to_cpu(fw_ddb_entry->iscsi_def_time2retain); 2093b3a271a9SManish Rangankar 2094b3a271a9SManish Rangankar sess->tpgt = le32_to_cpu(fw_ddb_entry->tgt_portal_grp); 2095b3a271a9SManish Rangankar 2096b3a271a9SManish Rangankar memcpy(sess->initiatorname, ha->name_string, 2097b3a271a9SManish Rangankar min(sizeof(ha->name_string), sizeof(sess->initiatorname))); 209813483730SMike Christie 20996c1b8789SVikas Chaudhary iscsi_set_param(cls_conn, ISCSI_PARAM_TARGET_ALIAS, 21006c1b8789SVikas Chaudhary (char *)fw_ddb_entry->iscsi_alias, 0); 21016c1b8789SVikas Chaudhary 210213483730SMike Christie exit_session_conn_param: 210313483730SMike Christie if (fw_ddb_entry) 210413483730SMike Christie dma_free_coherent(&ha->pdev->dev, sizeof(*fw_ddb_entry), 210513483730SMike Christie fw_ddb_entry, fw_ddb_entry_dma); 2106b3a271a9SManish Rangankar } 2107b3a271a9SManish Rangankar 2108afaf5a2dSDavid Somayajulu /* 2109afaf5a2dSDavid Somayajulu * Timer routines 2110afaf5a2dSDavid Somayajulu */ 2111afaf5a2dSDavid Somayajulu 2112afaf5a2dSDavid Somayajulu static void qla4xxx_start_timer(struct scsi_qla_host *ha, void *func, 2113afaf5a2dSDavid Somayajulu unsigned long interval) 2114afaf5a2dSDavid Somayajulu { 2115afaf5a2dSDavid Somayajulu DEBUG(printk("scsi: %s: Starting timer thread for adapter %d\n", 2116afaf5a2dSDavid Somayajulu __func__, ha->host->host_no)); 2117afaf5a2dSDavid Somayajulu init_timer(&ha->timer); 2118afaf5a2dSDavid Somayajulu ha->timer.expires = jiffies + interval * HZ; 2119afaf5a2dSDavid Somayajulu ha->timer.data = (unsigned long)ha; 2120afaf5a2dSDavid Somayajulu ha->timer.function = (void (*)(unsigned long))func; 2121afaf5a2dSDavid Somayajulu add_timer(&ha->timer); 2122afaf5a2dSDavid Somayajulu ha->timer_active = 1; 2123afaf5a2dSDavid Somayajulu } 2124afaf5a2dSDavid Somayajulu 2125afaf5a2dSDavid Somayajulu static void qla4xxx_stop_timer(struct scsi_qla_host *ha) 2126afaf5a2dSDavid Somayajulu { 2127afaf5a2dSDavid Somayajulu del_timer_sync(&ha->timer); 2128afaf5a2dSDavid Somayajulu ha->timer_active = 0; 2129afaf5a2dSDavid Somayajulu } 2130afaf5a2dSDavid Somayajulu 2131afaf5a2dSDavid Somayajulu /*** 2132b3a271a9SManish Rangankar * qla4xxx_mark_device_missing - blocks the session 2133b3a271a9SManish Rangankar * @cls_session: Pointer to the session to be blocked 2134afaf5a2dSDavid Somayajulu * @ddb_entry: Pointer to device database entry 2135afaf5a2dSDavid Somayajulu * 2136f4f5df23SVikas Chaudhary * This routine marks a device missing and close connection. 2137afaf5a2dSDavid Somayajulu **/ 2138b3a271a9SManish Rangankar void qla4xxx_mark_device_missing(struct iscsi_cls_session *cls_session) 2139afaf5a2dSDavid Somayajulu { 2140b3a271a9SManish Rangankar iscsi_block_session(cls_session); 2141afaf5a2dSDavid Somayajulu } 2142afaf5a2dSDavid Somayajulu 2143f4f5df23SVikas Chaudhary /** 2144f4f5df23SVikas Chaudhary * qla4xxx_mark_all_devices_missing - mark all devices as missing. 2145f4f5df23SVikas Chaudhary * @ha: Pointer to host adapter structure. 2146f4f5df23SVikas Chaudhary * 2147f4f5df23SVikas Chaudhary * This routine marks a device missing and resets the relogin retry count. 2148f4f5df23SVikas Chaudhary **/ 2149f4f5df23SVikas Chaudhary void qla4xxx_mark_all_devices_missing(struct scsi_qla_host *ha) 2150f4f5df23SVikas Chaudhary { 2151b3a271a9SManish Rangankar iscsi_host_for_each_session(ha->host, qla4xxx_mark_device_missing); 2152f4f5df23SVikas Chaudhary } 2153f4f5df23SVikas Chaudhary 2154afaf5a2dSDavid Somayajulu static struct srb* qla4xxx_get_new_srb(struct scsi_qla_host *ha, 2155afaf5a2dSDavid Somayajulu struct ddb_entry *ddb_entry, 21568f0722caSVikas Chaudhary struct scsi_cmnd *cmd) 2157afaf5a2dSDavid Somayajulu { 2158afaf5a2dSDavid Somayajulu struct srb *srb; 2159afaf5a2dSDavid Somayajulu 2160afaf5a2dSDavid Somayajulu srb = mempool_alloc(ha->srb_mempool, GFP_ATOMIC); 2161afaf5a2dSDavid Somayajulu if (!srb) 2162afaf5a2dSDavid Somayajulu return srb; 2163afaf5a2dSDavid Somayajulu 216409a0f719SVikas Chaudhary kref_init(&srb->srb_ref); 2165afaf5a2dSDavid Somayajulu srb->ha = ha; 2166afaf5a2dSDavid Somayajulu srb->ddb = ddb_entry; 2167afaf5a2dSDavid Somayajulu srb->cmd = cmd; 2168afaf5a2dSDavid Somayajulu srb->flags = 0; 21695369887aSVikas Chaudhary CMD_SP(cmd) = (void *)srb; 2170afaf5a2dSDavid Somayajulu 2171afaf5a2dSDavid Somayajulu return srb; 2172afaf5a2dSDavid Somayajulu } 2173afaf5a2dSDavid Somayajulu 2174afaf5a2dSDavid Somayajulu static void qla4xxx_srb_free_dma(struct scsi_qla_host *ha, struct srb *srb) 2175afaf5a2dSDavid Somayajulu { 2176afaf5a2dSDavid Somayajulu struct scsi_cmnd *cmd = srb->cmd; 2177afaf5a2dSDavid Somayajulu 2178afaf5a2dSDavid Somayajulu if (srb->flags & SRB_DMA_VALID) { 21795f7186c8SFUJITA Tomonori scsi_dma_unmap(cmd); 2180afaf5a2dSDavid Somayajulu srb->flags &= ~SRB_DMA_VALID; 2181afaf5a2dSDavid Somayajulu } 21825369887aSVikas Chaudhary CMD_SP(cmd) = NULL; 2183afaf5a2dSDavid Somayajulu } 2184afaf5a2dSDavid Somayajulu 218509a0f719SVikas Chaudhary void qla4xxx_srb_compl(struct kref *ref) 2186afaf5a2dSDavid Somayajulu { 218709a0f719SVikas Chaudhary struct srb *srb = container_of(ref, struct srb, srb_ref); 2188afaf5a2dSDavid Somayajulu struct scsi_cmnd *cmd = srb->cmd; 218909a0f719SVikas Chaudhary struct scsi_qla_host *ha = srb->ha; 2190afaf5a2dSDavid Somayajulu 2191afaf5a2dSDavid Somayajulu qla4xxx_srb_free_dma(ha, srb); 2192afaf5a2dSDavid Somayajulu 2193afaf5a2dSDavid Somayajulu mempool_free(srb, ha->srb_mempool); 2194afaf5a2dSDavid Somayajulu 2195afaf5a2dSDavid Somayajulu cmd->scsi_done(cmd); 2196afaf5a2dSDavid Somayajulu } 2197afaf5a2dSDavid Somayajulu 2198afaf5a2dSDavid Somayajulu /** 2199afaf5a2dSDavid Somayajulu * qla4xxx_queuecommand - scsi layer issues scsi command to driver. 22008f0722caSVikas Chaudhary * @host: scsi host 2201afaf5a2dSDavid Somayajulu * @cmd: Pointer to Linux's SCSI command structure 2202afaf5a2dSDavid Somayajulu * 2203afaf5a2dSDavid Somayajulu * Remarks: 2204afaf5a2dSDavid Somayajulu * This routine is invoked by Linux to send a SCSI command to the driver. 2205afaf5a2dSDavid Somayajulu * The mid-level driver tries to ensure that queuecommand never gets 2206afaf5a2dSDavid Somayajulu * invoked concurrently with itself or the interrupt handler (although 2207afaf5a2dSDavid Somayajulu * the interrupt handler may call this routine as part of request- 2208afaf5a2dSDavid Somayajulu * completion handling). Unfortunely, it sometimes calls the scheduler 2209afaf5a2dSDavid Somayajulu * in interrupt context which is a big NO! NO!. 2210afaf5a2dSDavid Somayajulu **/ 22118f0722caSVikas Chaudhary static int qla4xxx_queuecommand(struct Scsi_Host *host, struct scsi_cmnd *cmd) 2212afaf5a2dSDavid Somayajulu { 22138f0722caSVikas Chaudhary struct scsi_qla_host *ha = to_qla_host(host); 2214afaf5a2dSDavid Somayajulu struct ddb_entry *ddb_entry = cmd->device->hostdata; 22157fb1921bSMike Christie struct iscsi_cls_session *sess = ddb_entry->sess; 2216afaf5a2dSDavid Somayajulu struct srb *srb; 2217afaf5a2dSDavid Somayajulu int rval; 2218afaf5a2dSDavid Somayajulu 22192232be0dSLalit Chandivade if (test_bit(AF_EEH_BUSY, &ha->flags)) { 22202232be0dSLalit Chandivade if (test_bit(AF_PCI_CHANNEL_IO_PERM_FAILURE, &ha->flags)) 22212232be0dSLalit Chandivade cmd->result = DID_NO_CONNECT << 16; 22222232be0dSLalit Chandivade else 22232232be0dSLalit Chandivade cmd->result = DID_REQUEUE << 16; 22242232be0dSLalit Chandivade goto qc_fail_command; 22252232be0dSLalit Chandivade } 22262232be0dSLalit Chandivade 22277fb1921bSMike Christie if (!sess) { 22287fb1921bSMike Christie cmd->result = DID_IMM_RETRY << 16; 22297fb1921bSMike Christie goto qc_fail_command; 22307fb1921bSMike Christie } 22317fb1921bSMike Christie 22327fb1921bSMike Christie rval = iscsi_session_chkready(sess); 22337fb1921bSMike Christie if (rval) { 22347fb1921bSMike Christie cmd->result = rval; 22357fb1921bSMike Christie goto qc_fail_command; 22367fb1921bSMike Christie } 22377fb1921bSMike Christie 2238f4f5df23SVikas Chaudhary if (test_bit(DPC_RESET_HA_INTR, &ha->dpc_flags) || 2239f4f5df23SVikas Chaudhary test_bit(DPC_RESET_ACTIVE, &ha->dpc_flags) || 2240f4f5df23SVikas Chaudhary test_bit(DPC_RESET_HA, &ha->dpc_flags) || 2241f4f5df23SVikas Chaudhary test_bit(DPC_HA_UNRECOVERABLE, &ha->dpc_flags) || 2242f4f5df23SVikas Chaudhary test_bit(DPC_HA_NEED_QUIESCENT, &ha->dpc_flags) || 2243f4f5df23SVikas Chaudhary !test_bit(AF_ONLINE, &ha->flags) || 2244b3a271a9SManish Rangankar !test_bit(AF_LINK_UP, &ha->flags) || 2245026fbd3aSNilesh Javali test_bit(AF_LOOPBACK, &ha->flags) || 2246f4f5df23SVikas Chaudhary test_bit(DPC_RESET_HA_FW_CONTEXT, &ha->dpc_flags)) 2247477ffb9dSDavid C Somayajulu goto qc_host_busy; 2248477ffb9dSDavid C Somayajulu 22498f0722caSVikas Chaudhary srb = qla4xxx_get_new_srb(ha, ddb_entry, cmd); 2250afaf5a2dSDavid Somayajulu if (!srb) 22518f0722caSVikas Chaudhary goto qc_host_busy; 2252afaf5a2dSDavid Somayajulu 2253afaf5a2dSDavid Somayajulu rval = qla4xxx_send_command_to_isp(ha, srb); 2254afaf5a2dSDavid Somayajulu if (rval != QLA_SUCCESS) 2255afaf5a2dSDavid Somayajulu goto qc_host_busy_free_sp; 2256afaf5a2dSDavid Somayajulu 2257afaf5a2dSDavid Somayajulu return 0; 2258afaf5a2dSDavid Somayajulu 2259afaf5a2dSDavid Somayajulu qc_host_busy_free_sp: 2260afaf5a2dSDavid Somayajulu qla4xxx_srb_free_dma(ha, srb); 2261afaf5a2dSDavid Somayajulu mempool_free(srb, ha->srb_mempool); 2262afaf5a2dSDavid Somayajulu 2263afaf5a2dSDavid Somayajulu qc_host_busy: 2264afaf5a2dSDavid Somayajulu return SCSI_MLQUEUE_HOST_BUSY; 2265afaf5a2dSDavid Somayajulu 2266afaf5a2dSDavid Somayajulu qc_fail_command: 22678f0722caSVikas Chaudhary cmd->scsi_done(cmd); 2268afaf5a2dSDavid Somayajulu 2269afaf5a2dSDavid Somayajulu return 0; 2270afaf5a2dSDavid Somayajulu } 2271afaf5a2dSDavid Somayajulu 2272afaf5a2dSDavid Somayajulu /** 2273afaf5a2dSDavid Somayajulu * qla4xxx_mem_free - frees memory allocated to adapter 2274afaf5a2dSDavid Somayajulu * @ha: Pointer to host adapter structure. 2275afaf5a2dSDavid Somayajulu * 2276afaf5a2dSDavid Somayajulu * Frees memory previously allocated by qla4xxx_mem_alloc 2277afaf5a2dSDavid Somayajulu **/ 2278afaf5a2dSDavid Somayajulu static void qla4xxx_mem_free(struct scsi_qla_host *ha) 2279afaf5a2dSDavid Somayajulu { 2280afaf5a2dSDavid Somayajulu if (ha->queues) 2281afaf5a2dSDavid Somayajulu dma_free_coherent(&ha->pdev->dev, ha->queues_len, ha->queues, 2282afaf5a2dSDavid Somayajulu ha->queues_dma); 2283afaf5a2dSDavid Somayajulu 2284068237c8STej Parkash if (ha->fw_dump) 2285068237c8STej Parkash vfree(ha->fw_dump); 2286068237c8STej Parkash 2287afaf5a2dSDavid Somayajulu ha->queues_len = 0; 2288afaf5a2dSDavid Somayajulu ha->queues = NULL; 2289afaf5a2dSDavid Somayajulu ha->queues_dma = 0; 2290afaf5a2dSDavid Somayajulu ha->request_ring = NULL; 2291afaf5a2dSDavid Somayajulu ha->request_dma = 0; 2292afaf5a2dSDavid Somayajulu ha->response_ring = NULL; 2293afaf5a2dSDavid Somayajulu ha->response_dma = 0; 2294afaf5a2dSDavid Somayajulu ha->shadow_regs = NULL; 2295afaf5a2dSDavid Somayajulu ha->shadow_regs_dma = 0; 2296068237c8STej Parkash ha->fw_dump = NULL; 2297068237c8STej Parkash ha->fw_dump_size = 0; 2298afaf5a2dSDavid Somayajulu 2299afaf5a2dSDavid Somayajulu /* Free srb pool. */ 2300afaf5a2dSDavid Somayajulu if (ha->srb_mempool) 2301afaf5a2dSDavid Somayajulu mempool_destroy(ha->srb_mempool); 2302afaf5a2dSDavid Somayajulu 2303afaf5a2dSDavid Somayajulu ha->srb_mempool = NULL; 2304afaf5a2dSDavid Somayajulu 2305b3a271a9SManish Rangankar if (ha->chap_dma_pool) 2306b3a271a9SManish Rangankar dma_pool_destroy(ha->chap_dma_pool); 2307b3a271a9SManish Rangankar 23084549415aSLalit Chandivade if (ha->chap_list) 23094549415aSLalit Chandivade vfree(ha->chap_list); 23104549415aSLalit Chandivade ha->chap_list = NULL; 23114549415aSLalit Chandivade 231213483730SMike Christie if (ha->fw_ddb_dma_pool) 231313483730SMike Christie dma_pool_destroy(ha->fw_ddb_dma_pool); 231413483730SMike Christie 2315afaf5a2dSDavid Somayajulu /* release io space registers */ 2316f4f5df23SVikas Chaudhary if (is_qla8022(ha)) { 2317f4f5df23SVikas Chaudhary if (ha->nx_pcibase) 2318f4f5df23SVikas Chaudhary iounmap( 2319f4f5df23SVikas Chaudhary (struct device_reg_82xx __iomem *)ha->nx_pcibase); 23206e7b4292SVikas Chaudhary } else if (is_qla8032(ha)) { 23216e7b4292SVikas Chaudhary if (ha->nx_pcibase) 23226e7b4292SVikas Chaudhary iounmap( 23236e7b4292SVikas Chaudhary (struct device_reg_83xx __iomem *)ha->nx_pcibase); 23246e7b4292SVikas Chaudhary } else if (ha->reg) { 2325afaf5a2dSDavid Somayajulu iounmap(ha->reg); 23266e7b4292SVikas Chaudhary } 23276e7b4292SVikas Chaudhary 23286e7b4292SVikas Chaudhary if (ha->reset_tmplt.buff) 23296e7b4292SVikas Chaudhary vfree(ha->reset_tmplt.buff); 23306e7b4292SVikas Chaudhary 2331afaf5a2dSDavid Somayajulu pci_release_regions(ha->pdev); 2332afaf5a2dSDavid Somayajulu } 2333afaf5a2dSDavid Somayajulu 2334afaf5a2dSDavid Somayajulu /** 2335afaf5a2dSDavid Somayajulu * qla4xxx_mem_alloc - allocates memory for use by adapter. 2336afaf5a2dSDavid Somayajulu * @ha: Pointer to host adapter structure 2337afaf5a2dSDavid Somayajulu * 2338afaf5a2dSDavid Somayajulu * Allocates DMA memory for request and response queues. Also allocates memory 2339afaf5a2dSDavid Somayajulu * for srbs. 2340afaf5a2dSDavid Somayajulu **/ 2341afaf5a2dSDavid Somayajulu static int qla4xxx_mem_alloc(struct scsi_qla_host *ha) 2342afaf5a2dSDavid Somayajulu { 2343afaf5a2dSDavid Somayajulu unsigned long align; 2344afaf5a2dSDavid Somayajulu 2345afaf5a2dSDavid Somayajulu /* Allocate contiguous block of DMA memory for queues. */ 2346afaf5a2dSDavid Somayajulu ha->queues_len = ((REQUEST_QUEUE_DEPTH * QUEUE_SIZE) + 2347afaf5a2dSDavid Somayajulu (RESPONSE_QUEUE_DEPTH * QUEUE_SIZE) + 2348afaf5a2dSDavid Somayajulu sizeof(struct shadow_regs) + 2349afaf5a2dSDavid Somayajulu MEM_ALIGN_VALUE + 2350afaf5a2dSDavid Somayajulu (PAGE_SIZE - 1)) & ~(PAGE_SIZE - 1); 2351afaf5a2dSDavid Somayajulu ha->queues = dma_alloc_coherent(&ha->pdev->dev, ha->queues_len, 2352afaf5a2dSDavid Somayajulu &ha->queues_dma, GFP_KERNEL); 2353afaf5a2dSDavid Somayajulu if (ha->queues == NULL) { 2354c2660df3SVikas Chaudhary ql4_printk(KERN_WARNING, ha, 2355afaf5a2dSDavid Somayajulu "Memory Allocation failed - queues.\n"); 2356afaf5a2dSDavid Somayajulu 2357afaf5a2dSDavid Somayajulu goto mem_alloc_error_exit; 2358afaf5a2dSDavid Somayajulu } 2359afaf5a2dSDavid Somayajulu memset(ha->queues, 0, ha->queues_len); 2360afaf5a2dSDavid Somayajulu 2361afaf5a2dSDavid Somayajulu /* 2362afaf5a2dSDavid Somayajulu * As per RISC alignment requirements -- the bus-address must be a 2363afaf5a2dSDavid Somayajulu * multiple of the request-ring size (in bytes). 2364afaf5a2dSDavid Somayajulu */ 2365afaf5a2dSDavid Somayajulu align = 0; 2366afaf5a2dSDavid Somayajulu if ((unsigned long)ha->queues_dma & (MEM_ALIGN_VALUE - 1)) 2367afaf5a2dSDavid Somayajulu align = MEM_ALIGN_VALUE - ((unsigned long)ha->queues_dma & 2368afaf5a2dSDavid Somayajulu (MEM_ALIGN_VALUE - 1)); 2369afaf5a2dSDavid Somayajulu 2370afaf5a2dSDavid Somayajulu /* Update request and response queue pointers. */ 2371afaf5a2dSDavid Somayajulu ha->request_dma = ha->queues_dma + align; 2372afaf5a2dSDavid Somayajulu ha->request_ring = (struct queue_entry *) (ha->queues + align); 2373afaf5a2dSDavid Somayajulu ha->response_dma = ha->queues_dma + align + 2374afaf5a2dSDavid Somayajulu (REQUEST_QUEUE_DEPTH * QUEUE_SIZE); 2375afaf5a2dSDavid Somayajulu ha->response_ring = (struct queue_entry *) (ha->queues + align + 2376afaf5a2dSDavid Somayajulu (REQUEST_QUEUE_DEPTH * 2377afaf5a2dSDavid Somayajulu QUEUE_SIZE)); 2378afaf5a2dSDavid Somayajulu ha->shadow_regs_dma = ha->queues_dma + align + 2379afaf5a2dSDavid Somayajulu (REQUEST_QUEUE_DEPTH * QUEUE_SIZE) + 2380afaf5a2dSDavid Somayajulu (RESPONSE_QUEUE_DEPTH * QUEUE_SIZE); 2381afaf5a2dSDavid Somayajulu ha->shadow_regs = (struct shadow_regs *) (ha->queues + align + 2382afaf5a2dSDavid Somayajulu (REQUEST_QUEUE_DEPTH * 2383afaf5a2dSDavid Somayajulu QUEUE_SIZE) + 2384afaf5a2dSDavid Somayajulu (RESPONSE_QUEUE_DEPTH * 2385afaf5a2dSDavid Somayajulu QUEUE_SIZE)); 2386afaf5a2dSDavid Somayajulu 2387afaf5a2dSDavid Somayajulu /* Allocate memory for srb pool. */ 2388afaf5a2dSDavid Somayajulu ha->srb_mempool = mempool_create(SRB_MIN_REQ, mempool_alloc_slab, 2389afaf5a2dSDavid Somayajulu mempool_free_slab, srb_cachep); 2390afaf5a2dSDavid Somayajulu if (ha->srb_mempool == NULL) { 2391c2660df3SVikas Chaudhary ql4_printk(KERN_WARNING, ha, 2392afaf5a2dSDavid Somayajulu "Memory Allocation failed - SRB Pool.\n"); 2393afaf5a2dSDavid Somayajulu 2394afaf5a2dSDavid Somayajulu goto mem_alloc_error_exit; 2395afaf5a2dSDavid Somayajulu } 2396afaf5a2dSDavid Somayajulu 2397b3a271a9SManish Rangankar ha->chap_dma_pool = dma_pool_create("ql4_chap", &ha->pdev->dev, 2398b3a271a9SManish Rangankar CHAP_DMA_BLOCK_SIZE, 8, 0); 2399b3a271a9SManish Rangankar 2400b3a271a9SManish Rangankar if (ha->chap_dma_pool == NULL) { 2401b3a271a9SManish Rangankar ql4_printk(KERN_WARNING, ha, 2402b3a271a9SManish Rangankar "%s: chap_dma_pool allocation failed..\n", __func__); 2403b3a271a9SManish Rangankar goto mem_alloc_error_exit; 2404b3a271a9SManish Rangankar } 2405b3a271a9SManish Rangankar 240613483730SMike Christie ha->fw_ddb_dma_pool = dma_pool_create("ql4_fw_ddb", &ha->pdev->dev, 240713483730SMike Christie DDB_DMA_BLOCK_SIZE, 8, 0); 240813483730SMike Christie 240913483730SMike Christie if (ha->fw_ddb_dma_pool == NULL) { 241013483730SMike Christie ql4_printk(KERN_WARNING, ha, 241113483730SMike Christie "%s: fw_ddb_dma_pool allocation failed..\n", 241213483730SMike Christie __func__); 241313483730SMike Christie goto mem_alloc_error_exit; 241413483730SMike Christie } 241513483730SMike Christie 2416afaf5a2dSDavid Somayajulu return QLA_SUCCESS; 2417afaf5a2dSDavid Somayajulu 2418afaf5a2dSDavid Somayajulu mem_alloc_error_exit: 2419afaf5a2dSDavid Somayajulu qla4xxx_mem_free(ha); 2420afaf5a2dSDavid Somayajulu return QLA_ERROR; 2421afaf5a2dSDavid Somayajulu } 2422afaf5a2dSDavid Somayajulu 2423afaf5a2dSDavid Somayajulu /** 24244f77083eSMike Hernandez * qla4_8xxx_check_temp - Check the ISP82XX temperature. 24254f77083eSMike Hernandez * @ha: adapter block pointer. 24264f77083eSMike Hernandez * 24274f77083eSMike Hernandez * Note: The caller should not hold the idc lock. 24284f77083eSMike Hernandez **/ 24294f77083eSMike Hernandez static int qla4_8xxx_check_temp(struct scsi_qla_host *ha) 24304f77083eSMike Hernandez { 24314f77083eSMike Hernandez uint32_t temp, temp_state, temp_val; 24324f77083eSMike Hernandez int status = QLA_SUCCESS; 24334f77083eSMike Hernandez 243433693c7aSVikas Chaudhary temp = qla4_8xxx_rd_direct(ha, QLA8XXX_CRB_TEMP_STATE); 24354f77083eSMike Hernandez 24364f77083eSMike Hernandez temp_state = qla82xx_get_temp_state(temp); 24374f77083eSMike Hernandez temp_val = qla82xx_get_temp_val(temp); 24384f77083eSMike Hernandez 24394f77083eSMike Hernandez if (temp_state == QLA82XX_TEMP_PANIC) { 24404f77083eSMike Hernandez ql4_printk(KERN_WARNING, ha, "Device temperature %d degrees C" 24414f77083eSMike Hernandez " exceeds maximum allowed. Hardware has been shut" 24424f77083eSMike Hernandez " down.\n", temp_val); 24434f77083eSMike Hernandez status = QLA_ERROR; 24444f77083eSMike Hernandez } else if (temp_state == QLA82XX_TEMP_WARN) { 24454f77083eSMike Hernandez if (ha->temperature == QLA82XX_TEMP_NORMAL) 24464f77083eSMike Hernandez ql4_printk(KERN_WARNING, ha, "Device temperature %d" 24474f77083eSMike Hernandez " degrees C exceeds operating range." 24484f77083eSMike Hernandez " Immediate action needed.\n", temp_val); 24494f77083eSMike Hernandez } else { 24504f77083eSMike Hernandez if (ha->temperature == QLA82XX_TEMP_WARN) 24514f77083eSMike Hernandez ql4_printk(KERN_INFO, ha, "Device temperature is" 24524f77083eSMike Hernandez " now %d degrees C in normal range.\n", 24534f77083eSMike Hernandez temp_val); 24544f77083eSMike Hernandez } 24554f77083eSMike Hernandez ha->temperature = temp_state; 24564f77083eSMike Hernandez return status; 24574f77083eSMike Hernandez } 24584f77083eSMike Hernandez 24594f77083eSMike Hernandez /** 2460f4f5df23SVikas Chaudhary * qla4_8xxx_check_fw_alive - Check firmware health 2461f4f5df23SVikas Chaudhary * @ha: Pointer to host adapter structure. 2462f4f5df23SVikas Chaudhary * 2463f4f5df23SVikas Chaudhary * Context: Interrupt 2464f4f5df23SVikas Chaudhary **/ 24659ee91a38SShyam Sunder static int qla4_8xxx_check_fw_alive(struct scsi_qla_host *ha) 2466f4f5df23SVikas Chaudhary { 24679ee91a38SShyam Sunder uint32_t fw_heartbeat_counter; 24689ee91a38SShyam Sunder int status = QLA_SUCCESS; 2469f4f5df23SVikas Chaudhary 247033693c7aSVikas Chaudhary fw_heartbeat_counter = qla4_8xxx_rd_direct(ha, 247133693c7aSVikas Chaudhary QLA8XXX_PEG_ALIVE_COUNTER); 24722232be0dSLalit Chandivade /* If PEG_ALIVE_COUNTER is 0xffffffff, AER/EEH is in progress, ignore */ 24732232be0dSLalit Chandivade if (fw_heartbeat_counter == 0xffffffff) { 24742232be0dSLalit Chandivade DEBUG2(printk(KERN_WARNING "scsi%ld: %s: Device in frozen " 24752232be0dSLalit Chandivade "state, QLA82XX_PEG_ALIVE_COUNTER is 0xffffffff\n", 24762232be0dSLalit Chandivade ha->host_no, __func__)); 24779ee91a38SShyam Sunder return status; 24782232be0dSLalit Chandivade } 2479f4f5df23SVikas Chaudhary 2480f4f5df23SVikas Chaudhary if (ha->fw_heartbeat_counter == fw_heartbeat_counter) { 2481f4f5df23SVikas Chaudhary ha->seconds_since_last_heartbeat++; 2482f4f5df23SVikas Chaudhary /* FW not alive after 2 seconds */ 2483f4f5df23SVikas Chaudhary if (ha->seconds_since_last_heartbeat == 2) { 2484f4f5df23SVikas Chaudhary ha->seconds_since_last_heartbeat = 0; 24856e7b4292SVikas Chaudhary qla4_8xxx_dump_peg_reg(ha); 24869ee91a38SShyam Sunder status = QLA_ERROR; 2487f4f5df23SVikas Chaudhary } 248899457d75SLalit Chandivade } else 248999457d75SLalit Chandivade ha->seconds_since_last_heartbeat = 0; 249099457d75SLalit Chandivade 2491f4f5df23SVikas Chaudhary ha->fw_heartbeat_counter = fw_heartbeat_counter; 24929ee91a38SShyam Sunder return status; 2493f4f5df23SVikas Chaudhary } 2494f4f5df23SVikas Chaudhary 24956e7b4292SVikas Chaudhary static void qla4_8xxx_process_fw_error(struct scsi_qla_host *ha) 24966e7b4292SVikas Chaudhary { 24976e7b4292SVikas Chaudhary uint32_t halt_status; 24986e7b4292SVikas Chaudhary int halt_status_unrecoverable = 0; 24996e7b4292SVikas Chaudhary 25006e7b4292SVikas Chaudhary halt_status = qla4_8xxx_rd_direct(ha, QLA8XXX_PEG_HALT_STATUS1); 25016e7b4292SVikas Chaudhary 25026e7b4292SVikas Chaudhary if (is_qla8022(ha)) { 25036e7b4292SVikas Chaudhary ql4_printk(KERN_INFO, ha, "%s: disabling pause transmit on port 0 & 1.\n", 25046e7b4292SVikas Chaudhary __func__); 25056e7b4292SVikas Chaudhary qla4_82xx_wr_32(ha, QLA82XX_CRB_NIU + 0x98, 25066e7b4292SVikas Chaudhary CRB_NIU_XG_PAUSE_CTL_P0 | 25076e7b4292SVikas Chaudhary CRB_NIU_XG_PAUSE_CTL_P1); 25086e7b4292SVikas Chaudhary 25096e7b4292SVikas Chaudhary if (QLA82XX_FWERROR_CODE(halt_status) == 0x67) 25106e7b4292SVikas Chaudhary ql4_printk(KERN_ERR, ha, "%s: Firmware aborted with error code 0x00006700. Device is being reset\n", 25116e7b4292SVikas Chaudhary __func__); 25126e7b4292SVikas Chaudhary if (halt_status & HALT_STATUS_UNRECOVERABLE) 25136e7b4292SVikas Chaudhary halt_status_unrecoverable = 1; 25146e7b4292SVikas Chaudhary } else if (is_qla8032(ha)) { 25156e7b4292SVikas Chaudhary if (halt_status & QLA83XX_HALT_STATUS_FW_RESET) 25166e7b4292SVikas Chaudhary ql4_printk(KERN_ERR, ha, "%s: Firmware error detected device is being reset\n", 25176e7b4292SVikas Chaudhary __func__); 25186e7b4292SVikas Chaudhary else if (halt_status & QLA83XX_HALT_STATUS_UNRECOVERABLE) 25196e7b4292SVikas Chaudhary halt_status_unrecoverable = 1; 25206e7b4292SVikas Chaudhary } 25216e7b4292SVikas Chaudhary 25226e7b4292SVikas Chaudhary /* 25236e7b4292SVikas Chaudhary * Since we cannot change dev_state in interrupt context, 25246e7b4292SVikas Chaudhary * set appropriate DPC flag then wakeup DPC 25256e7b4292SVikas Chaudhary */ 25266e7b4292SVikas Chaudhary if (halt_status_unrecoverable) { 25276e7b4292SVikas Chaudhary set_bit(DPC_HA_UNRECOVERABLE, &ha->dpc_flags); 25286e7b4292SVikas Chaudhary } else { 25296e7b4292SVikas Chaudhary ql4_printk(KERN_INFO, ha, "%s: detect abort needed!\n", 25306e7b4292SVikas Chaudhary __func__); 25316e7b4292SVikas Chaudhary set_bit(DPC_RESET_HA, &ha->dpc_flags); 25326e7b4292SVikas Chaudhary } 25336e7b4292SVikas Chaudhary qla4xxx_mailbox_premature_completion(ha); 25346e7b4292SVikas Chaudhary qla4xxx_wake_dpc(ha); 25356e7b4292SVikas Chaudhary } 25366e7b4292SVikas Chaudhary 2537f4f5df23SVikas Chaudhary /** 2538f4f5df23SVikas Chaudhary * qla4_8xxx_watchdog - Poll dev state 2539f4f5df23SVikas Chaudhary * @ha: Pointer to host adapter structure. 2540f4f5df23SVikas Chaudhary * 2541f4f5df23SVikas Chaudhary * Context: Interrupt 2542f4f5df23SVikas Chaudhary **/ 2543f4f5df23SVikas Chaudhary void qla4_8xxx_watchdog(struct scsi_qla_host *ha) 2544f4f5df23SVikas Chaudhary { 25456e7b4292SVikas Chaudhary uint32_t dev_state; 25466cf94121SVikas Chaudhary uint32_t idc_ctrl; 2547f4f5df23SVikas Chaudhary 2548f4f5df23SVikas Chaudhary /* don't poll if reset is going on */ 2549d56a1f7bSLalit Chandivade if (!(test_bit(DPC_RESET_ACTIVE, &ha->dpc_flags) || 2550d56a1f7bSLalit Chandivade test_bit(DPC_RESET_HA, &ha->dpc_flags) || 2551977f46a4SVikas Chaudhary test_bit(DPC_RETRY_RESET_HA, &ha->dpc_flags))) { 255233693c7aSVikas Chaudhary dev_state = qla4_8xxx_rd_direct(ha, QLA8XXX_CRB_DEV_STATE); 25534f77083eSMike Hernandez 25544f77083eSMike Hernandez if (qla4_8xxx_check_temp(ha)) { 25556e7b4292SVikas Chaudhary if (is_qla8022(ha)) { 25566e7b4292SVikas Chaudhary ql4_printk(KERN_INFO, ha, "disabling pause transmit on port 0 & 1.\n"); 2557f8086f4fSVikas Chaudhary qla4_82xx_wr_32(ha, QLA82XX_CRB_NIU + 0x98, 2558e6bd0ebdSGiridhar Malavali CRB_NIU_XG_PAUSE_CTL_P0 | 2559e6bd0ebdSGiridhar Malavali CRB_NIU_XG_PAUSE_CTL_P1); 25606e7b4292SVikas Chaudhary } 25614f77083eSMike Hernandez set_bit(DPC_HA_UNRECOVERABLE, &ha->dpc_flags); 25624f77083eSMike Hernandez qla4xxx_wake_dpc(ha); 2563de8c72daSVikas Chaudhary } else if (dev_state == QLA8XXX_DEV_NEED_RESET && 2564f4f5df23SVikas Chaudhary !test_bit(DPC_RESET_HA, &ha->dpc_flags)) { 25656cf94121SVikas Chaudhary 25666cf94121SVikas Chaudhary ql4_printk(KERN_INFO, ha, "%s: HW State: NEED RESET!\n", 25676cf94121SVikas Chaudhary __func__); 25686cf94121SVikas Chaudhary 25696cf94121SVikas Chaudhary if (is_qla8032(ha)) { 25706cf94121SVikas Chaudhary idc_ctrl = qla4_83xx_rd_reg(ha, 25716cf94121SVikas Chaudhary QLA83XX_IDC_DRV_CTRL); 25726cf94121SVikas Chaudhary if (!(idc_ctrl & GRACEFUL_RESET_BIT1)) { 25736cf94121SVikas Chaudhary ql4_printk(KERN_INFO, ha, "%s: Graceful reset bit is not set\n", 25746cf94121SVikas Chaudhary __func__); 25756cf94121SVikas Chaudhary qla4xxx_mailbox_premature_completion( 25766cf94121SVikas Chaudhary ha); 25776cf94121SVikas Chaudhary } 25786cf94121SVikas Chaudhary } 25796cf94121SVikas Chaudhary 25806e7b4292SVikas Chaudhary if (is_qla8032(ha) || 25816e7b4292SVikas Chaudhary (is_qla8022(ha) && !ql4xdontresethba)) { 2582f4f5df23SVikas Chaudhary set_bit(DPC_RESET_HA, &ha->dpc_flags); 2583f4f5df23SVikas Chaudhary qla4xxx_wake_dpc(ha); 25843930b8c1SVikas Chaudhary } 2585de8c72daSVikas Chaudhary } else if (dev_state == QLA8XXX_DEV_NEED_QUIESCENT && 2586f4f5df23SVikas Chaudhary !test_bit(DPC_HA_NEED_QUIESCENT, &ha->dpc_flags)) { 25873930b8c1SVikas Chaudhary ql4_printk(KERN_INFO, ha, "%s: HW State: NEED QUIES!\n", 25883930b8c1SVikas Chaudhary __func__); 2589f4f5df23SVikas Chaudhary set_bit(DPC_HA_NEED_QUIESCENT, &ha->dpc_flags); 2590f4f5df23SVikas Chaudhary qla4xxx_wake_dpc(ha); 2591f4f5df23SVikas Chaudhary } else { 2592f4f5df23SVikas Chaudhary /* Check firmware health */ 25936e7b4292SVikas Chaudhary if (qla4_8xxx_check_fw_alive(ha)) 25946e7b4292SVikas Chaudhary qla4_8xxx_process_fw_error(ha); 2595f4f5df23SVikas Chaudhary } 2596f4f5df23SVikas Chaudhary } 2597f4f5df23SVikas Chaudhary } 2598f4f5df23SVikas Chaudhary 25994a4bc2e9SLalit Chandivade static void qla4xxx_check_relogin_flash_ddb(struct iscsi_cls_session *cls_sess) 260013483730SMike Christie { 260113483730SMike Christie struct iscsi_session *sess; 260213483730SMike Christie struct ddb_entry *ddb_entry; 260313483730SMike Christie struct scsi_qla_host *ha; 260413483730SMike Christie 260513483730SMike Christie sess = cls_sess->dd_data; 260613483730SMike Christie ddb_entry = sess->dd_data; 260713483730SMike Christie ha = ddb_entry->ha; 260813483730SMike Christie 260913483730SMike Christie if (!(ddb_entry->ddb_type == FLASH_DDB)) 261013483730SMike Christie return; 261113483730SMike Christie 261213483730SMike Christie if (adapter_up(ha) && !test_bit(DF_RELOGIN, &ddb_entry->flags) && 261313483730SMike Christie !iscsi_is_session_online(cls_sess)) { 261413483730SMike Christie if (atomic_read(&ddb_entry->retry_relogin_timer) != 261513483730SMike Christie INVALID_ENTRY) { 261613483730SMike Christie if (atomic_read(&ddb_entry->retry_relogin_timer) == 261713483730SMike Christie 0) { 261813483730SMike Christie atomic_set(&ddb_entry->retry_relogin_timer, 261913483730SMike Christie INVALID_ENTRY); 262013483730SMike Christie set_bit(DPC_RELOGIN_DEVICE, &ha->dpc_flags); 262113483730SMike Christie set_bit(DF_RELOGIN, &ddb_entry->flags); 262213483730SMike Christie DEBUG2(ql4_printk(KERN_INFO, ha, 262313483730SMike Christie "%s: index [%d] login device\n", 262413483730SMike Christie __func__, ddb_entry->fw_ddb_index)); 262513483730SMike Christie } else 262613483730SMike Christie atomic_dec(&ddb_entry->retry_relogin_timer); 262713483730SMike Christie } 262813483730SMike Christie } 262913483730SMike Christie 263013483730SMike Christie /* Wait for relogin to timeout */ 263113483730SMike Christie if (atomic_read(&ddb_entry->relogin_timer) && 263213483730SMike Christie (atomic_dec_and_test(&ddb_entry->relogin_timer) != 0)) { 263313483730SMike Christie /* 263413483730SMike Christie * If the relogin times out and the device is 263513483730SMike Christie * still NOT ONLINE then try and relogin again. 263613483730SMike Christie */ 263713483730SMike Christie if (!iscsi_is_session_online(cls_sess)) { 263813483730SMike Christie /* Reset retry relogin timer */ 263913483730SMike Christie atomic_inc(&ddb_entry->relogin_retry_count); 264013483730SMike Christie DEBUG2(ql4_printk(KERN_INFO, ha, 264113483730SMike Christie "%s: index[%d] relogin timed out-retrying" 264213483730SMike Christie " relogin (%d), retry (%d)\n", __func__, 264313483730SMike Christie ddb_entry->fw_ddb_index, 264413483730SMike Christie atomic_read(&ddb_entry->relogin_retry_count), 264513483730SMike Christie ddb_entry->default_time2wait + 4)); 264613483730SMike Christie set_bit(DPC_RELOGIN_DEVICE, &ha->dpc_flags); 264713483730SMike Christie atomic_set(&ddb_entry->retry_relogin_timer, 264813483730SMike Christie ddb_entry->default_time2wait + 4); 264913483730SMike Christie } 265013483730SMike Christie } 265113483730SMike Christie } 265213483730SMike Christie 2653f4f5df23SVikas Chaudhary /** 2654afaf5a2dSDavid Somayajulu * qla4xxx_timer - checks every second for work to do. 2655afaf5a2dSDavid Somayajulu * @ha: Pointer to host adapter structure. 2656afaf5a2dSDavid Somayajulu **/ 2657afaf5a2dSDavid Somayajulu static void qla4xxx_timer(struct scsi_qla_host *ha) 2658afaf5a2dSDavid Somayajulu { 2659afaf5a2dSDavid Somayajulu int start_dpc = 0; 26602232be0dSLalit Chandivade uint16_t w; 26612232be0dSLalit Chandivade 266213483730SMike Christie iscsi_host_for_each_session(ha->host, qla4xxx_check_relogin_flash_ddb); 266313483730SMike Christie 26642232be0dSLalit Chandivade /* If we are in the middle of AER/EEH processing 26652232be0dSLalit Chandivade * skip any processing and reschedule the timer 26662232be0dSLalit Chandivade */ 26672232be0dSLalit Chandivade if (test_bit(AF_EEH_BUSY, &ha->flags)) { 26682232be0dSLalit Chandivade mod_timer(&ha->timer, jiffies + HZ); 26692232be0dSLalit Chandivade return; 26702232be0dSLalit Chandivade } 26712232be0dSLalit Chandivade 26722232be0dSLalit Chandivade /* Hardware read to trigger an EEH error during mailbox waits. */ 26732232be0dSLalit Chandivade if (!pci_channel_offline(ha->pdev)) 26742232be0dSLalit Chandivade pci_read_config_word(ha->pdev, PCI_VENDOR_ID, &w); 2675afaf5a2dSDavid Somayajulu 26766e7b4292SVikas Chaudhary if (is_qla80XX(ha)) 2677f4f5df23SVikas Chaudhary qla4_8xxx_watchdog(ha); 2678f4f5df23SVikas Chaudhary 2679ee996a69SVikas Chaudhary if (is_qla40XX(ha)) { 2680afaf5a2dSDavid Somayajulu /* Check for heartbeat interval. */ 2681afaf5a2dSDavid Somayajulu if (ha->firmware_options & FWOPT_HEARTBEAT_ENABLE && 2682afaf5a2dSDavid Somayajulu ha->heartbeat_interval != 0) { 2683afaf5a2dSDavid Somayajulu ha->seconds_since_last_heartbeat++; 2684afaf5a2dSDavid Somayajulu if (ha->seconds_since_last_heartbeat > 2685afaf5a2dSDavid Somayajulu ha->heartbeat_interval + 2) 2686afaf5a2dSDavid Somayajulu set_bit(DPC_RESET_HA, &ha->dpc_flags); 2687afaf5a2dSDavid Somayajulu } 2688f4f5df23SVikas Chaudhary } 2689afaf5a2dSDavid Somayajulu 2690ff884430SVikas Chaudhary /* Process any deferred work. */ 2691ff884430SVikas Chaudhary if (!list_empty(&ha->work_list)) 2692ff884430SVikas Chaudhary start_dpc++; 2693ff884430SVikas Chaudhary 2694afaf5a2dSDavid Somayajulu /* Wakeup the dpc routine for this adapter, if needed. */ 26951b46807eSLalit Chandivade if (start_dpc || 2696afaf5a2dSDavid Somayajulu test_bit(DPC_RESET_HA, &ha->dpc_flags) || 2697afaf5a2dSDavid Somayajulu test_bit(DPC_RETRY_RESET_HA, &ha->dpc_flags) || 2698afaf5a2dSDavid Somayajulu test_bit(DPC_RELOGIN_DEVICE, &ha->dpc_flags) || 2699f4f5df23SVikas Chaudhary test_bit(DPC_RESET_HA_FW_CONTEXT, &ha->dpc_flags) || 2700afaf5a2dSDavid Somayajulu test_bit(DPC_RESET_HA_INTR, &ha->dpc_flags) || 2701afaf5a2dSDavid Somayajulu test_bit(DPC_GET_DHCP_IP_ADDR, &ha->dpc_flags) || 2702065aa1b4SVikas Chaudhary test_bit(DPC_LINK_CHANGED, &ha->dpc_flags) || 2703f4f5df23SVikas Chaudhary test_bit(DPC_HA_UNRECOVERABLE, &ha->dpc_flags) || 2704f4f5df23SVikas Chaudhary test_bit(DPC_HA_NEED_QUIESCENT, &ha->dpc_flags) || 27051b46807eSLalit Chandivade test_bit(DPC_AEN, &ha->dpc_flags)) { 2706afaf5a2dSDavid Somayajulu DEBUG2(printk("scsi%ld: %s: scheduling dpc routine" 2707afaf5a2dSDavid Somayajulu " - dpc flags = 0x%lx\n", 2708afaf5a2dSDavid Somayajulu ha->host_no, __func__, ha->dpc_flags)); 2709f4f5df23SVikas Chaudhary qla4xxx_wake_dpc(ha); 2710afaf5a2dSDavid Somayajulu } 2711afaf5a2dSDavid Somayajulu 2712afaf5a2dSDavid Somayajulu /* Reschedule timer thread to call us back in one second */ 2713afaf5a2dSDavid Somayajulu mod_timer(&ha->timer, jiffies + HZ); 2714afaf5a2dSDavid Somayajulu 2715afaf5a2dSDavid Somayajulu DEBUG2(ha->seconds_since_last_intr++); 2716afaf5a2dSDavid Somayajulu } 2717afaf5a2dSDavid Somayajulu 2718afaf5a2dSDavid Somayajulu /** 2719afaf5a2dSDavid Somayajulu * qla4xxx_cmd_wait - waits for all outstanding commands to complete 2720afaf5a2dSDavid Somayajulu * @ha: Pointer to host adapter structure. 2721afaf5a2dSDavid Somayajulu * 2722afaf5a2dSDavid Somayajulu * This routine stalls the driver until all outstanding commands are returned. 2723afaf5a2dSDavid Somayajulu * Caller must release the Hardware Lock prior to calling this routine. 2724afaf5a2dSDavid Somayajulu **/ 2725afaf5a2dSDavid Somayajulu static int qla4xxx_cmd_wait(struct scsi_qla_host *ha) 2726afaf5a2dSDavid Somayajulu { 2727afaf5a2dSDavid Somayajulu uint32_t index = 0; 2728afaf5a2dSDavid Somayajulu unsigned long flags; 2729afaf5a2dSDavid Somayajulu struct scsi_cmnd *cmd; 2730afaf5a2dSDavid Somayajulu 2731f4f5df23SVikas Chaudhary unsigned long wtime = jiffies + (WAIT_CMD_TOV * HZ); 2732f4f5df23SVikas Chaudhary 2733f4f5df23SVikas Chaudhary DEBUG2(ql4_printk(KERN_INFO, ha, "Wait up to %d seconds for cmds to " 2734f4f5df23SVikas Chaudhary "complete\n", WAIT_CMD_TOV)); 2735f4f5df23SVikas Chaudhary 2736f4f5df23SVikas Chaudhary while (!time_after_eq(jiffies, wtime)) { 2737afaf5a2dSDavid Somayajulu spin_lock_irqsave(&ha->hardware_lock, flags); 2738afaf5a2dSDavid Somayajulu /* Find a command that hasn't completed. */ 2739afaf5a2dSDavid Somayajulu for (index = 0; index < ha->host->can_queue; index++) { 2740afaf5a2dSDavid Somayajulu cmd = scsi_host_find_tag(ha->host, index); 2741a1e0063dSMike Christie /* 2742a1e0063dSMike Christie * We cannot just check if the index is valid, 2743a1e0063dSMike Christie * becase if we are run from the scsi eh, then 2744a1e0063dSMike Christie * the scsi/block layer is going to prevent 2745a1e0063dSMike Christie * the tag from being released. 2746a1e0063dSMike Christie */ 2747a1e0063dSMike Christie if (cmd != NULL && CMD_SP(cmd)) 2748afaf5a2dSDavid Somayajulu break; 2749afaf5a2dSDavid Somayajulu } 2750afaf5a2dSDavid Somayajulu spin_unlock_irqrestore(&ha->hardware_lock, flags); 2751afaf5a2dSDavid Somayajulu 2752afaf5a2dSDavid Somayajulu /* If No Commands are pending, wait is complete */ 2753f4f5df23SVikas Chaudhary if (index == ha->host->can_queue) 2754f4f5df23SVikas Chaudhary return QLA_SUCCESS; 2755afaf5a2dSDavid Somayajulu 2756afaf5a2dSDavid Somayajulu msleep(1000); 2757afaf5a2dSDavid Somayajulu } 2758f4f5df23SVikas Chaudhary /* If we timed out on waiting for commands to come back 2759f4f5df23SVikas Chaudhary * return ERROR. */ 2760f4f5df23SVikas Chaudhary return QLA_ERROR; 2761afaf5a2dSDavid Somayajulu } 2762afaf5a2dSDavid Somayajulu 2763f4f5df23SVikas Chaudhary int qla4xxx_hw_reset(struct scsi_qla_host *ha) 2764afaf5a2dSDavid Somayajulu { 2765afaf5a2dSDavid Somayajulu uint32_t ctrl_status; 2766477ffb9dSDavid C Somayajulu unsigned long flags = 0; 2767477ffb9dSDavid C Somayajulu 2768477ffb9dSDavid C Somayajulu DEBUG2(printk(KERN_ERR "scsi%ld: %s\n", ha->host_no, __func__)); 2769afaf5a2dSDavid Somayajulu 2770f4f5df23SVikas Chaudhary if (ql4xxx_lock_drvr_wait(ha) != QLA_SUCCESS) 2771f4f5df23SVikas Chaudhary return QLA_ERROR; 2772f4f5df23SVikas Chaudhary 2773afaf5a2dSDavid Somayajulu spin_lock_irqsave(&ha->hardware_lock, flags); 2774afaf5a2dSDavid Somayajulu 2775afaf5a2dSDavid Somayajulu /* 2776afaf5a2dSDavid Somayajulu * If the SCSI Reset Interrupt bit is set, clear it. 2777afaf5a2dSDavid Somayajulu * Otherwise, the Soft Reset won't work. 2778afaf5a2dSDavid Somayajulu */ 2779afaf5a2dSDavid Somayajulu ctrl_status = readw(&ha->reg->ctrl_status); 2780afaf5a2dSDavid Somayajulu if ((ctrl_status & CSR_SCSI_RESET_INTR) != 0) 2781afaf5a2dSDavid Somayajulu writel(set_rmask(CSR_SCSI_RESET_INTR), &ha->reg->ctrl_status); 2782afaf5a2dSDavid Somayajulu 2783afaf5a2dSDavid Somayajulu /* Issue Soft Reset */ 2784afaf5a2dSDavid Somayajulu writel(set_rmask(CSR_SOFT_RESET), &ha->reg->ctrl_status); 2785afaf5a2dSDavid Somayajulu readl(&ha->reg->ctrl_status); 2786afaf5a2dSDavid Somayajulu 2787afaf5a2dSDavid Somayajulu spin_unlock_irqrestore(&ha->hardware_lock, flags); 2788f4f5df23SVikas Chaudhary return QLA_SUCCESS; 2789477ffb9dSDavid C Somayajulu } 2790477ffb9dSDavid C Somayajulu 2791477ffb9dSDavid C Somayajulu /** 2792477ffb9dSDavid C Somayajulu * qla4xxx_soft_reset - performs soft reset. 2793477ffb9dSDavid C Somayajulu * @ha: Pointer to host adapter structure. 2794477ffb9dSDavid C Somayajulu **/ 2795477ffb9dSDavid C Somayajulu int qla4xxx_soft_reset(struct scsi_qla_host *ha) 2796477ffb9dSDavid C Somayajulu { 2797477ffb9dSDavid C Somayajulu uint32_t max_wait_time; 2798477ffb9dSDavid C Somayajulu unsigned long flags = 0; 2799f931c534SVikas Chaudhary int status; 2800477ffb9dSDavid C Somayajulu uint32_t ctrl_status; 2801477ffb9dSDavid C Somayajulu 2802f931c534SVikas Chaudhary status = qla4xxx_hw_reset(ha); 2803f931c534SVikas Chaudhary if (status != QLA_SUCCESS) 2804f931c534SVikas Chaudhary return status; 2805afaf5a2dSDavid Somayajulu 2806f931c534SVikas Chaudhary status = QLA_ERROR; 2807afaf5a2dSDavid Somayajulu /* Wait until the Network Reset Intr bit is cleared */ 2808afaf5a2dSDavid Somayajulu max_wait_time = RESET_INTR_TOV; 2809afaf5a2dSDavid Somayajulu do { 2810afaf5a2dSDavid Somayajulu spin_lock_irqsave(&ha->hardware_lock, flags); 2811afaf5a2dSDavid Somayajulu ctrl_status = readw(&ha->reg->ctrl_status); 2812afaf5a2dSDavid Somayajulu spin_unlock_irqrestore(&ha->hardware_lock, flags); 2813afaf5a2dSDavid Somayajulu 2814afaf5a2dSDavid Somayajulu if ((ctrl_status & CSR_NET_RESET_INTR) == 0) 2815afaf5a2dSDavid Somayajulu break; 2816afaf5a2dSDavid Somayajulu 2817afaf5a2dSDavid Somayajulu msleep(1000); 2818afaf5a2dSDavid Somayajulu } while ((--max_wait_time)); 2819afaf5a2dSDavid Somayajulu 2820afaf5a2dSDavid Somayajulu if ((ctrl_status & CSR_NET_RESET_INTR) != 0) { 2821afaf5a2dSDavid Somayajulu DEBUG2(printk(KERN_WARNING 2822afaf5a2dSDavid Somayajulu "scsi%ld: Network Reset Intr not cleared by " 2823afaf5a2dSDavid Somayajulu "Network function, clearing it now!\n", 2824afaf5a2dSDavid Somayajulu ha->host_no)); 2825afaf5a2dSDavid Somayajulu spin_lock_irqsave(&ha->hardware_lock, flags); 2826afaf5a2dSDavid Somayajulu writel(set_rmask(CSR_NET_RESET_INTR), &ha->reg->ctrl_status); 2827afaf5a2dSDavid Somayajulu readl(&ha->reg->ctrl_status); 2828afaf5a2dSDavid Somayajulu spin_unlock_irqrestore(&ha->hardware_lock, flags); 2829afaf5a2dSDavid Somayajulu } 2830afaf5a2dSDavid Somayajulu 2831afaf5a2dSDavid Somayajulu /* Wait until the firmware tells us the Soft Reset is done */ 2832afaf5a2dSDavid Somayajulu max_wait_time = SOFT_RESET_TOV; 2833afaf5a2dSDavid Somayajulu do { 2834afaf5a2dSDavid Somayajulu spin_lock_irqsave(&ha->hardware_lock, flags); 2835afaf5a2dSDavid Somayajulu ctrl_status = readw(&ha->reg->ctrl_status); 2836afaf5a2dSDavid Somayajulu spin_unlock_irqrestore(&ha->hardware_lock, flags); 2837afaf5a2dSDavid Somayajulu 2838afaf5a2dSDavid Somayajulu if ((ctrl_status & CSR_SOFT_RESET) == 0) { 2839afaf5a2dSDavid Somayajulu status = QLA_SUCCESS; 2840afaf5a2dSDavid Somayajulu break; 2841afaf5a2dSDavid Somayajulu } 2842afaf5a2dSDavid Somayajulu 2843afaf5a2dSDavid Somayajulu msleep(1000); 2844afaf5a2dSDavid Somayajulu } while ((--max_wait_time)); 2845afaf5a2dSDavid Somayajulu 2846afaf5a2dSDavid Somayajulu /* 2847afaf5a2dSDavid Somayajulu * Also, make sure that the SCSI Reset Interrupt bit has been cleared 2848afaf5a2dSDavid Somayajulu * after the soft reset has taken place. 2849afaf5a2dSDavid Somayajulu */ 2850afaf5a2dSDavid Somayajulu spin_lock_irqsave(&ha->hardware_lock, flags); 2851afaf5a2dSDavid Somayajulu ctrl_status = readw(&ha->reg->ctrl_status); 2852afaf5a2dSDavid Somayajulu if ((ctrl_status & CSR_SCSI_RESET_INTR) != 0) { 2853afaf5a2dSDavid Somayajulu writel(set_rmask(CSR_SCSI_RESET_INTR), &ha->reg->ctrl_status); 2854afaf5a2dSDavid Somayajulu readl(&ha->reg->ctrl_status); 2855afaf5a2dSDavid Somayajulu } 2856afaf5a2dSDavid Somayajulu spin_unlock_irqrestore(&ha->hardware_lock, flags); 2857afaf5a2dSDavid Somayajulu 2858afaf5a2dSDavid Somayajulu /* If soft reset fails then most probably the bios on other 2859afaf5a2dSDavid Somayajulu * function is also enabled. 2860afaf5a2dSDavid Somayajulu * Since the initialization is sequential the other fn 2861afaf5a2dSDavid Somayajulu * wont be able to acknowledge the soft reset. 2862afaf5a2dSDavid Somayajulu * Issue a force soft reset to workaround this scenario. 2863afaf5a2dSDavid Somayajulu */ 2864afaf5a2dSDavid Somayajulu if (max_wait_time == 0) { 2865afaf5a2dSDavid Somayajulu /* Issue Force Soft Reset */ 2866afaf5a2dSDavid Somayajulu spin_lock_irqsave(&ha->hardware_lock, flags); 2867afaf5a2dSDavid Somayajulu writel(set_rmask(CSR_FORCE_SOFT_RESET), &ha->reg->ctrl_status); 2868afaf5a2dSDavid Somayajulu readl(&ha->reg->ctrl_status); 2869afaf5a2dSDavid Somayajulu spin_unlock_irqrestore(&ha->hardware_lock, flags); 2870afaf5a2dSDavid Somayajulu /* Wait until the firmware tells us the Soft Reset is done */ 2871afaf5a2dSDavid Somayajulu max_wait_time = SOFT_RESET_TOV; 2872afaf5a2dSDavid Somayajulu do { 2873afaf5a2dSDavid Somayajulu spin_lock_irqsave(&ha->hardware_lock, flags); 2874afaf5a2dSDavid Somayajulu ctrl_status = readw(&ha->reg->ctrl_status); 2875afaf5a2dSDavid Somayajulu spin_unlock_irqrestore(&ha->hardware_lock, flags); 2876afaf5a2dSDavid Somayajulu 2877afaf5a2dSDavid Somayajulu if ((ctrl_status & CSR_FORCE_SOFT_RESET) == 0) { 2878afaf5a2dSDavid Somayajulu status = QLA_SUCCESS; 2879afaf5a2dSDavid Somayajulu break; 2880afaf5a2dSDavid Somayajulu } 2881afaf5a2dSDavid Somayajulu 2882afaf5a2dSDavid Somayajulu msleep(1000); 2883afaf5a2dSDavid Somayajulu } while ((--max_wait_time)); 2884afaf5a2dSDavid Somayajulu } 2885afaf5a2dSDavid Somayajulu 2886afaf5a2dSDavid Somayajulu return status; 2887afaf5a2dSDavid Somayajulu } 2888afaf5a2dSDavid Somayajulu 2889afaf5a2dSDavid Somayajulu /** 2890f4f5df23SVikas Chaudhary * qla4xxx_abort_active_cmds - returns all outstanding i/o requests to O.S. 2891afaf5a2dSDavid Somayajulu * @ha: Pointer to host adapter structure. 2892f4f5df23SVikas Chaudhary * @res: returned scsi status 2893afaf5a2dSDavid Somayajulu * 2894afaf5a2dSDavid Somayajulu * This routine is called just prior to a HARD RESET to return all 2895afaf5a2dSDavid Somayajulu * outstanding commands back to the Operating System. 2896afaf5a2dSDavid Somayajulu * Caller should make sure that the following locks are released 2897afaf5a2dSDavid Somayajulu * before this calling routine: Hardware lock, and io_request_lock. 2898afaf5a2dSDavid Somayajulu **/ 2899f4f5df23SVikas Chaudhary static void qla4xxx_abort_active_cmds(struct scsi_qla_host *ha, int res) 2900afaf5a2dSDavid Somayajulu { 2901afaf5a2dSDavid Somayajulu struct srb *srb; 2902afaf5a2dSDavid Somayajulu int i; 2903afaf5a2dSDavid Somayajulu unsigned long flags; 2904afaf5a2dSDavid Somayajulu 2905afaf5a2dSDavid Somayajulu spin_lock_irqsave(&ha->hardware_lock, flags); 2906afaf5a2dSDavid Somayajulu for (i = 0; i < ha->host->can_queue; i++) { 2907afaf5a2dSDavid Somayajulu srb = qla4xxx_del_from_active_array(ha, i); 2908afaf5a2dSDavid Somayajulu if (srb != NULL) { 2909f4f5df23SVikas Chaudhary srb->cmd->result = res; 291009a0f719SVikas Chaudhary kref_put(&srb->srb_ref, qla4xxx_srb_compl); 2911afaf5a2dSDavid Somayajulu } 2912afaf5a2dSDavid Somayajulu } 2913afaf5a2dSDavid Somayajulu spin_unlock_irqrestore(&ha->hardware_lock, flags); 2914afaf5a2dSDavid Somayajulu } 2915afaf5a2dSDavid Somayajulu 2916f4f5df23SVikas Chaudhary void qla4xxx_dead_adapter_cleanup(struct scsi_qla_host *ha) 2917f4f5df23SVikas Chaudhary { 2918f4f5df23SVikas Chaudhary clear_bit(AF_ONLINE, &ha->flags); 2919f4f5df23SVikas Chaudhary 2920f4f5df23SVikas Chaudhary /* Disable the board */ 2921f4f5df23SVikas Chaudhary ql4_printk(KERN_INFO, ha, "Disabling the board\n"); 2922f4f5df23SVikas Chaudhary 2923f4f5df23SVikas Chaudhary qla4xxx_abort_active_cmds(ha, DID_NO_CONNECT << 16); 2924f4f5df23SVikas Chaudhary qla4xxx_mark_all_devices_missing(ha); 2925f4f5df23SVikas Chaudhary clear_bit(AF_INIT_DONE, &ha->flags); 2926f4f5df23SVikas Chaudhary } 2927f4f5df23SVikas Chaudhary 2928b3a271a9SManish Rangankar static void qla4xxx_fail_session(struct iscsi_cls_session *cls_session) 2929b3a271a9SManish Rangankar { 2930b3a271a9SManish Rangankar struct iscsi_session *sess; 2931b3a271a9SManish Rangankar struct ddb_entry *ddb_entry; 2932b3a271a9SManish Rangankar 2933b3a271a9SManish Rangankar sess = cls_session->dd_data; 2934b3a271a9SManish Rangankar ddb_entry = sess->dd_data; 2935b3a271a9SManish Rangankar ddb_entry->fw_ddb_device_state = DDB_DS_SESSION_FAILED; 293613483730SMike Christie 293713483730SMike Christie if (ddb_entry->ddb_type == FLASH_DDB) 293813483730SMike Christie iscsi_block_session(ddb_entry->sess); 293913483730SMike Christie else 294013483730SMike Christie iscsi_session_failure(cls_session->dd_data, 294113483730SMike Christie ISCSI_ERR_CONN_FAILED); 2942b3a271a9SManish Rangankar } 2943b3a271a9SManish Rangankar 2944afaf5a2dSDavid Somayajulu /** 2945afaf5a2dSDavid Somayajulu * qla4xxx_recover_adapter - recovers adapter after a fatal error 2946afaf5a2dSDavid Somayajulu * @ha: Pointer to host adapter structure. 2947afaf5a2dSDavid Somayajulu **/ 2948f4f5df23SVikas Chaudhary static int qla4xxx_recover_adapter(struct scsi_qla_host *ha) 2949afaf5a2dSDavid Somayajulu { 2950f4f5df23SVikas Chaudhary int status = QLA_ERROR; 2951f4f5df23SVikas Chaudhary uint8_t reset_chip = 0; 29528e0f3a66SSarang Radke uint32_t dev_state; 29539ee91a38SShyam Sunder unsigned long wait; 2954afaf5a2dSDavid Somayajulu 2955afaf5a2dSDavid Somayajulu /* Stall incoming I/O until we are done */ 2956f4f5df23SVikas Chaudhary scsi_block_requests(ha->host); 2957afaf5a2dSDavid Somayajulu clear_bit(AF_ONLINE, &ha->flags); 2958b3a271a9SManish Rangankar clear_bit(AF_LINK_UP, &ha->flags); 295950a29aecSMike Christie 2960f4f5df23SVikas Chaudhary DEBUG2(ql4_printk(KERN_INFO, ha, "%s: adapter OFFLINE\n", __func__)); 2961afaf5a2dSDavid Somayajulu 2962f4f5df23SVikas Chaudhary set_bit(DPC_RESET_ACTIVE, &ha->dpc_flags); 2963afaf5a2dSDavid Somayajulu 2964546fef27STej Parkash if (is_qla8032(ha) && 2965546fef27STej Parkash !test_bit(DPC_RESET_HA_FW_CONTEXT, &ha->dpc_flags)) { 2966546fef27STej Parkash ql4_printk(KERN_INFO, ha, "%s: disabling pause transmit on port 0 & 1.\n", 2967546fef27STej Parkash __func__); 2968546fef27STej Parkash /* disable pause frame for ISP83xx */ 2969546fef27STej Parkash qla4_83xx_disable_pause(ha); 2970546fef27STej Parkash } 2971546fef27STej Parkash 2972b3a271a9SManish Rangankar iscsi_host_for_each_session(ha->host, qla4xxx_fail_session); 2973b3a271a9SManish Rangankar 2974f4f5df23SVikas Chaudhary if (test_bit(DPC_RESET_HA, &ha->dpc_flags)) 2975f4f5df23SVikas Chaudhary reset_chip = 1; 2976afaf5a2dSDavid Somayajulu 2977f4f5df23SVikas Chaudhary /* For the DPC_RESET_HA_INTR case (ISP-4xxx specific) 2978f4f5df23SVikas Chaudhary * do not reset adapter, jump to initialize_adapter */ 2979f4f5df23SVikas Chaudhary if (test_bit(DPC_RESET_HA_INTR, &ha->dpc_flags)) { 2980f4f5df23SVikas Chaudhary status = QLA_SUCCESS; 2981f4f5df23SVikas Chaudhary goto recover_ha_init_adapter; 2982afaf5a2dSDavid Somayajulu } 2983afaf5a2dSDavid Somayajulu 29846e7b4292SVikas Chaudhary /* For the ISP-8xxx adapter, issue a stop_firmware if invoked 2985f4f5df23SVikas Chaudhary * from eh_host_reset or ioctl module */ 29866e7b4292SVikas Chaudhary if (is_qla80XX(ha) && !reset_chip && 2987f4f5df23SVikas Chaudhary test_bit(DPC_RESET_HA_FW_CONTEXT, &ha->dpc_flags)) { 2988f4f5df23SVikas Chaudhary 2989f4f5df23SVikas Chaudhary DEBUG2(ql4_printk(KERN_INFO, ha, 2990f4f5df23SVikas Chaudhary "scsi%ld: %s - Performing stop_firmware...\n", 2991f4f5df23SVikas Chaudhary ha->host_no, __func__)); 2992f4f5df23SVikas Chaudhary status = ha->isp_ops->reset_firmware(ha); 2993f4f5df23SVikas Chaudhary if (status == QLA_SUCCESS) { 29942bd1e2beSNilesh Javali if (!test_bit(AF_FW_RECOVERY, &ha->flags)) 2995f4f5df23SVikas Chaudhary qla4xxx_cmd_wait(ha); 29965c19b92aSVikas Chaudhary 2997f4f5df23SVikas Chaudhary ha->isp_ops->disable_intrs(ha); 2998f4f5df23SVikas Chaudhary qla4xxx_process_aen(ha, FLUSH_DDB_CHANGED_AENS); 2999f4f5df23SVikas Chaudhary qla4xxx_abort_active_cmds(ha, DID_RESET << 16); 3000f4f5df23SVikas Chaudhary } else { 3001f4f5df23SVikas Chaudhary /* If the stop_firmware fails then 3002f4f5df23SVikas Chaudhary * reset the entire chip */ 3003f4f5df23SVikas Chaudhary reset_chip = 1; 3004f4f5df23SVikas Chaudhary clear_bit(DPC_RESET_HA_FW_CONTEXT, &ha->dpc_flags); 3005f4f5df23SVikas Chaudhary set_bit(DPC_RESET_HA, &ha->dpc_flags); 3006f4f5df23SVikas Chaudhary } 3007f4f5df23SVikas Chaudhary } 3008f4f5df23SVikas Chaudhary 3009f4f5df23SVikas Chaudhary /* Issue full chip reset if recovering from a catastrophic error, 30106e7b4292SVikas Chaudhary * or if stop_firmware fails for ISP-8xxx. 3011f4f5df23SVikas Chaudhary * This is the default case for ISP-4xxx */ 3012ee996a69SVikas Chaudhary if (is_qla40XX(ha) || reset_chip) { 3013ee996a69SVikas Chaudhary if (is_qla40XX(ha)) 30149ee91a38SShyam Sunder goto chip_reset; 30159ee91a38SShyam Sunder 30166e7b4292SVikas Chaudhary /* Check if 8XXX firmware is alive or not 30179ee91a38SShyam Sunder * We may have arrived here from NEED_RESET 30189ee91a38SShyam Sunder * detection only */ 30199ee91a38SShyam Sunder if (test_bit(AF_FW_RECOVERY, &ha->flags)) 30209ee91a38SShyam Sunder goto chip_reset; 30219ee91a38SShyam Sunder 30229ee91a38SShyam Sunder wait = jiffies + (FW_ALIVE_WAIT_TOV * HZ); 30239ee91a38SShyam Sunder while (time_before(jiffies, wait)) { 30249ee91a38SShyam Sunder if (qla4_8xxx_check_fw_alive(ha)) { 30259ee91a38SShyam Sunder qla4xxx_mailbox_premature_completion(ha); 30269ee91a38SShyam Sunder break; 30279ee91a38SShyam Sunder } 30289ee91a38SShyam Sunder 30299ee91a38SShyam Sunder set_current_state(TASK_UNINTERRUPTIBLE); 30309ee91a38SShyam Sunder schedule_timeout(HZ); 30319ee91a38SShyam Sunder } 3032da106212SVikas Chaudhary chip_reset: 30332bd1e2beSNilesh Javali if (!test_bit(AF_FW_RECOVERY, &ha->flags)) 3034f4f5df23SVikas Chaudhary qla4xxx_cmd_wait(ha); 3035da106212SVikas Chaudhary 3036f4f5df23SVikas Chaudhary qla4xxx_process_aen(ha, FLUSH_DDB_CHANGED_AENS); 3037f4f5df23SVikas Chaudhary qla4xxx_abort_active_cmds(ha, DID_RESET << 16); 3038f4f5df23SVikas Chaudhary DEBUG2(ql4_printk(KERN_INFO, ha, 3039f4f5df23SVikas Chaudhary "scsi%ld: %s - Performing chip reset..\n", 3040f4f5df23SVikas Chaudhary ha->host_no, __func__)); 3041f4f5df23SVikas Chaudhary status = ha->isp_ops->reset_chip(ha); 3042f4f5df23SVikas Chaudhary } 3043f4f5df23SVikas Chaudhary 3044f4f5df23SVikas Chaudhary /* Flush any pending ddb changed AENs */ 3045f4f5df23SVikas Chaudhary qla4xxx_process_aen(ha, FLUSH_DDB_CHANGED_AENS); 3046f4f5df23SVikas Chaudhary 3047f4f5df23SVikas Chaudhary recover_ha_init_adapter: 3048f4f5df23SVikas Chaudhary /* Upon successful firmware/chip reset, re-initialize the adapter */ 3049f4f5df23SVikas Chaudhary if (status == QLA_SUCCESS) { 3050f4f5df23SVikas Chaudhary /* For ISP-4xxx, force function 1 to always initialize 3051f4f5df23SVikas Chaudhary * before function 3 to prevent both funcions from 3052f4f5df23SVikas Chaudhary * stepping on top of the other */ 3053ee996a69SVikas Chaudhary if (is_qla40XX(ha) && (ha->mac_index == 3)) 3054f4f5df23SVikas Chaudhary ssleep(6); 3055f4f5df23SVikas Chaudhary 3056f4f5df23SVikas Chaudhary /* NOTE: AF_ONLINE flag set upon successful completion of 3057f4f5df23SVikas Chaudhary * qla4xxx_initialize_adapter */ 305813483730SMike Christie status = qla4xxx_initialize_adapter(ha, RESET_ADAPTER); 3059f4f5df23SVikas Chaudhary } 3060f4f5df23SVikas Chaudhary 3061f4f5df23SVikas Chaudhary /* Retry failed adapter initialization, if necessary 3062f4f5df23SVikas Chaudhary * Do not retry initialize_adapter for RESET_HA_INTR (ISP-4xxx specific) 3063f4f5df23SVikas Chaudhary * case to prevent ping-pong resets between functions */ 3064f4f5df23SVikas Chaudhary if (!test_bit(AF_ONLINE, &ha->flags) && 3065f4f5df23SVikas Chaudhary !test_bit(DPC_RESET_HA_INTR, &ha->dpc_flags)) { 3066afaf5a2dSDavid Somayajulu /* Adapter initialization failed, see if we can retry 3067f4f5df23SVikas Chaudhary * resetting the ha. 3068f4f5df23SVikas Chaudhary * Since we don't want to block the DPC for too long 3069f4f5df23SVikas Chaudhary * with multiple resets in the same thread, 3070f4f5df23SVikas Chaudhary * utilize DPC to retry */ 30716e7b4292SVikas Chaudhary if (is_qla80XX(ha)) { 307233693c7aSVikas Chaudhary ha->isp_ops->idc_lock(ha); 307333693c7aSVikas Chaudhary dev_state = qla4_8xxx_rd_direct(ha, 307433693c7aSVikas Chaudhary QLA8XXX_CRB_DEV_STATE); 307533693c7aSVikas Chaudhary ha->isp_ops->idc_unlock(ha); 3076de8c72daSVikas Chaudhary if (dev_state == QLA8XXX_DEV_FAILED) { 30778e0f3a66SSarang Radke ql4_printk(KERN_INFO, ha, "%s: don't retry " 30788e0f3a66SSarang Radke "recover adapter. H/W is in Failed " 30798e0f3a66SSarang Radke "state\n", __func__); 30808e0f3a66SSarang Radke qla4xxx_dead_adapter_cleanup(ha); 30818e0f3a66SSarang Radke clear_bit(DPC_RETRY_RESET_HA, &ha->dpc_flags); 30828e0f3a66SSarang Radke clear_bit(DPC_RESET_HA, &ha->dpc_flags); 30838e0f3a66SSarang Radke clear_bit(DPC_RESET_HA_FW_CONTEXT, 30848e0f3a66SSarang Radke &ha->dpc_flags); 30858e0f3a66SSarang Radke status = QLA_ERROR; 30868e0f3a66SSarang Radke 30878e0f3a66SSarang Radke goto exit_recover; 30888e0f3a66SSarang Radke } 30898e0f3a66SSarang Radke } 30908e0f3a66SSarang Radke 3091afaf5a2dSDavid Somayajulu if (!test_bit(DPC_RETRY_RESET_HA, &ha->dpc_flags)) { 3092afaf5a2dSDavid Somayajulu ha->retry_reset_ha_cnt = MAX_RESET_HA_RETRIES; 3093afaf5a2dSDavid Somayajulu DEBUG2(printk("scsi%ld: recover adapter - retrying " 3094afaf5a2dSDavid Somayajulu "(%d) more times\n", ha->host_no, 3095afaf5a2dSDavid Somayajulu ha->retry_reset_ha_cnt)); 3096afaf5a2dSDavid Somayajulu set_bit(DPC_RETRY_RESET_HA, &ha->dpc_flags); 3097afaf5a2dSDavid Somayajulu status = QLA_ERROR; 3098afaf5a2dSDavid Somayajulu } else { 3099afaf5a2dSDavid Somayajulu if (ha->retry_reset_ha_cnt > 0) { 3100afaf5a2dSDavid Somayajulu /* Schedule another Reset HA--DPC will retry */ 3101afaf5a2dSDavid Somayajulu ha->retry_reset_ha_cnt--; 3102afaf5a2dSDavid Somayajulu DEBUG2(printk("scsi%ld: recover adapter - " 3103afaf5a2dSDavid Somayajulu "retry remaining %d\n", 3104afaf5a2dSDavid Somayajulu ha->host_no, 3105afaf5a2dSDavid Somayajulu ha->retry_reset_ha_cnt)); 3106afaf5a2dSDavid Somayajulu status = QLA_ERROR; 3107afaf5a2dSDavid Somayajulu } 3108afaf5a2dSDavid Somayajulu 3109afaf5a2dSDavid Somayajulu if (ha->retry_reset_ha_cnt == 0) { 3110afaf5a2dSDavid Somayajulu /* Recover adapter retries have been exhausted. 3111afaf5a2dSDavid Somayajulu * Adapter DEAD */ 3112afaf5a2dSDavid Somayajulu DEBUG2(printk("scsi%ld: recover adapter " 3113afaf5a2dSDavid Somayajulu "failed - board disabled\n", 3114afaf5a2dSDavid Somayajulu ha->host_no)); 3115f4f5df23SVikas Chaudhary qla4xxx_dead_adapter_cleanup(ha); 3116afaf5a2dSDavid Somayajulu clear_bit(DPC_RETRY_RESET_HA, &ha->dpc_flags); 3117afaf5a2dSDavid Somayajulu clear_bit(DPC_RESET_HA, &ha->dpc_flags); 3118f4f5df23SVikas Chaudhary clear_bit(DPC_RESET_HA_FW_CONTEXT, 3119afaf5a2dSDavid Somayajulu &ha->dpc_flags); 3120afaf5a2dSDavid Somayajulu status = QLA_ERROR; 3121afaf5a2dSDavid Somayajulu } 3122afaf5a2dSDavid Somayajulu } 3123afaf5a2dSDavid Somayajulu } else { 3124afaf5a2dSDavid Somayajulu clear_bit(DPC_RESET_HA, &ha->dpc_flags); 3125f4f5df23SVikas Chaudhary clear_bit(DPC_RESET_HA_FW_CONTEXT, &ha->dpc_flags); 3126afaf5a2dSDavid Somayajulu clear_bit(DPC_RETRY_RESET_HA, &ha->dpc_flags); 3127afaf5a2dSDavid Somayajulu } 3128afaf5a2dSDavid Somayajulu 31298e0f3a66SSarang Radke exit_recover: 3130afaf5a2dSDavid Somayajulu ha->adapter_error_count++; 3131afaf5a2dSDavid Somayajulu 3132f4f5df23SVikas Chaudhary if (test_bit(AF_ONLINE, &ha->flags)) 3133f4f5df23SVikas Chaudhary ha->isp_ops->enable_intrs(ha); 3134afaf5a2dSDavid Somayajulu 3135f4f5df23SVikas Chaudhary scsi_unblock_requests(ha->host); 3136f4f5df23SVikas Chaudhary 3137f4f5df23SVikas Chaudhary clear_bit(DPC_RESET_ACTIVE, &ha->dpc_flags); 3138f4f5df23SVikas Chaudhary DEBUG2(printk("scsi%ld: recover adapter: %s\n", ha->host_no, 313925985edcSLucas De Marchi status == QLA_ERROR ? "FAILED" : "SUCCEEDED")); 3140f4f5df23SVikas Chaudhary 3141afaf5a2dSDavid Somayajulu return status; 3142afaf5a2dSDavid Somayajulu } 3143afaf5a2dSDavid Somayajulu 3144b3a271a9SManish Rangankar static void qla4xxx_relogin_devices(struct iscsi_cls_session *cls_session) 3145b3a271a9SManish Rangankar { 3146b3a271a9SManish Rangankar struct iscsi_session *sess; 3147b3a271a9SManish Rangankar struct ddb_entry *ddb_entry; 3148b3a271a9SManish Rangankar struct scsi_qla_host *ha; 3149b3a271a9SManish Rangankar 3150b3a271a9SManish Rangankar sess = cls_session->dd_data; 3151b3a271a9SManish Rangankar ddb_entry = sess->dd_data; 3152b3a271a9SManish Rangankar ha = ddb_entry->ha; 3153b3a271a9SManish Rangankar if (!iscsi_is_session_online(cls_session)) { 3154b3a271a9SManish Rangankar if (ddb_entry->fw_ddb_device_state == DDB_DS_SESSION_ACTIVE) { 3155b3a271a9SManish Rangankar ql4_printk(KERN_INFO, ha, "scsi%ld: %s: ddb[%d]" 3156b3a271a9SManish Rangankar " unblock session\n", ha->host_no, __func__, 3157b3a271a9SManish Rangankar ddb_entry->fw_ddb_index); 3158b3a271a9SManish Rangankar iscsi_unblock_session(ddb_entry->sess); 3159b3a271a9SManish Rangankar } else { 3160b3a271a9SManish Rangankar /* Trigger relogin */ 316113483730SMike Christie if (ddb_entry->ddb_type == FLASH_DDB) { 316213483730SMike Christie if (!test_bit(DF_RELOGIN, &ddb_entry->flags)) 316313483730SMike Christie qla4xxx_arm_relogin_timer(ddb_entry); 316413483730SMike Christie } else 3165b3a271a9SManish Rangankar iscsi_session_failure(cls_session->dd_data, 3166b3a271a9SManish Rangankar ISCSI_ERR_CONN_FAILED); 3167b3a271a9SManish Rangankar } 3168b3a271a9SManish Rangankar } 3169b3a271a9SManish Rangankar } 3170b3a271a9SManish Rangankar 317113483730SMike Christie int qla4xxx_unblock_flash_ddb(struct iscsi_cls_session *cls_session) 317213483730SMike Christie { 317313483730SMike Christie struct iscsi_session *sess; 317413483730SMike Christie struct ddb_entry *ddb_entry; 317513483730SMike Christie struct scsi_qla_host *ha; 317613483730SMike Christie 317713483730SMike Christie sess = cls_session->dd_data; 317813483730SMike Christie ddb_entry = sess->dd_data; 317913483730SMike Christie ha = ddb_entry->ha; 318013483730SMike Christie ql4_printk(KERN_INFO, ha, "scsi%ld: %s: ddb[%d]" 318113483730SMike Christie " unblock session\n", ha->host_no, __func__, 318213483730SMike Christie ddb_entry->fw_ddb_index); 318313483730SMike Christie 318413483730SMike Christie iscsi_unblock_session(ddb_entry->sess); 318513483730SMike Christie 318613483730SMike Christie /* Start scan target */ 318713483730SMike Christie if (test_bit(AF_ONLINE, &ha->flags)) { 318813483730SMike Christie ql4_printk(KERN_INFO, ha, "scsi%ld: %s: ddb[%d]" 318913483730SMike Christie " start scan\n", ha->host_no, __func__, 319013483730SMike Christie ddb_entry->fw_ddb_index); 319113483730SMike Christie scsi_queue_work(ha->host, &ddb_entry->sess->scan_work); 319213483730SMike Christie } 319313483730SMike Christie return QLA_SUCCESS; 319413483730SMike Christie } 319513483730SMike Christie 319613483730SMike Christie int qla4xxx_unblock_ddb(struct iscsi_cls_session *cls_session) 319713483730SMike Christie { 319813483730SMike Christie struct iscsi_session *sess; 319913483730SMike Christie struct ddb_entry *ddb_entry; 320013483730SMike Christie struct scsi_qla_host *ha; 320180c53e64SManish Rangankar int status = QLA_SUCCESS; 320213483730SMike Christie 320313483730SMike Christie sess = cls_session->dd_data; 320413483730SMike Christie ddb_entry = sess->dd_data; 320513483730SMike Christie ha = ddb_entry->ha; 320613483730SMike Christie ql4_printk(KERN_INFO, ha, "scsi%ld: %s: ddb[%d]" 320713483730SMike Christie " unblock user space session\n", ha->host_no, __func__, 320813483730SMike Christie ddb_entry->fw_ddb_index); 320980c53e64SManish Rangankar 321080c53e64SManish Rangankar if (!iscsi_is_session_online(cls_session)) { 321113483730SMike Christie iscsi_conn_start(ddb_entry->conn); 321213483730SMike Christie iscsi_conn_login_event(ddb_entry->conn, 321313483730SMike Christie ISCSI_CONN_STATE_LOGGED_IN); 321480c53e64SManish Rangankar } else { 321580c53e64SManish Rangankar ql4_printk(KERN_INFO, ha, 321680c53e64SManish Rangankar "scsi%ld: %s: ddb[%d] session [%d] already logged in\n", 321780c53e64SManish Rangankar ha->host_no, __func__, ddb_entry->fw_ddb_index, 321880c53e64SManish Rangankar cls_session->sid); 321980c53e64SManish Rangankar status = QLA_ERROR; 322080c53e64SManish Rangankar } 322113483730SMike Christie 322280c53e64SManish Rangankar return status; 322313483730SMike Christie } 322413483730SMike Christie 32252d7924e6SVikas Chaudhary static void qla4xxx_relogin_all_devices(struct scsi_qla_host *ha) 32262d7924e6SVikas Chaudhary { 3227b3a271a9SManish Rangankar iscsi_host_for_each_session(ha->host, qla4xxx_relogin_devices); 32282d7924e6SVikas Chaudhary } 32292d7924e6SVikas Chaudhary 323013483730SMike Christie static void qla4xxx_relogin_flash_ddb(struct iscsi_cls_session *cls_sess) 323113483730SMike Christie { 323213483730SMike Christie uint16_t relogin_timer; 323313483730SMike Christie struct iscsi_session *sess; 323413483730SMike Christie struct ddb_entry *ddb_entry; 323513483730SMike Christie struct scsi_qla_host *ha; 323613483730SMike Christie 323713483730SMike Christie sess = cls_sess->dd_data; 323813483730SMike Christie ddb_entry = sess->dd_data; 323913483730SMike Christie ha = ddb_entry->ha; 324013483730SMike Christie 324113483730SMike Christie relogin_timer = max(ddb_entry->default_relogin_timeout, 324213483730SMike Christie (uint16_t)RELOGIN_TOV); 324313483730SMike Christie atomic_set(&ddb_entry->relogin_timer, relogin_timer); 324413483730SMike Christie 324513483730SMike Christie DEBUG2(ql4_printk(KERN_INFO, ha, 324613483730SMike Christie "scsi%ld: Relogin index [%d]. TOV=%d\n", ha->host_no, 324713483730SMike Christie ddb_entry->fw_ddb_index, relogin_timer)); 324813483730SMike Christie 324913483730SMike Christie qla4xxx_login_flash_ddb(cls_sess); 325013483730SMike Christie } 325113483730SMike Christie 325213483730SMike Christie static void qla4xxx_dpc_relogin(struct iscsi_cls_session *cls_sess) 325313483730SMike Christie { 325413483730SMike Christie struct iscsi_session *sess; 325513483730SMike Christie struct ddb_entry *ddb_entry; 325613483730SMike Christie struct scsi_qla_host *ha; 325713483730SMike Christie 325813483730SMike Christie sess = cls_sess->dd_data; 325913483730SMike Christie ddb_entry = sess->dd_data; 326013483730SMike Christie ha = ddb_entry->ha; 326113483730SMike Christie 326213483730SMike Christie if (!(ddb_entry->ddb_type == FLASH_DDB)) 326313483730SMike Christie return; 326413483730SMike Christie 326513483730SMike Christie if (test_and_clear_bit(DF_RELOGIN, &ddb_entry->flags) && 326613483730SMike Christie !iscsi_is_session_online(cls_sess)) { 326713483730SMike Christie DEBUG2(ql4_printk(KERN_INFO, ha, 326813483730SMike Christie "relogin issued\n")); 326913483730SMike Christie qla4xxx_relogin_flash_ddb(cls_sess); 327013483730SMike Christie } 327113483730SMike Christie } 327213483730SMike Christie 3273f4f5df23SVikas Chaudhary void qla4xxx_wake_dpc(struct scsi_qla_host *ha) 3274f4f5df23SVikas Chaudhary { 32751b46807eSLalit Chandivade if (ha->dpc_thread) 3276f4f5df23SVikas Chaudhary queue_work(ha->dpc_thread, &ha->dpc_work); 3277f4f5df23SVikas Chaudhary } 3278f4f5df23SVikas Chaudhary 3279ff884430SVikas Chaudhary static struct qla4_work_evt * 3280ff884430SVikas Chaudhary qla4xxx_alloc_work(struct scsi_qla_host *ha, uint32_t data_size, 3281ff884430SVikas Chaudhary enum qla4_work_type type) 3282ff884430SVikas Chaudhary { 3283ff884430SVikas Chaudhary struct qla4_work_evt *e; 3284ff884430SVikas Chaudhary uint32_t size = sizeof(struct qla4_work_evt) + data_size; 3285ff884430SVikas Chaudhary 3286ff884430SVikas Chaudhary e = kzalloc(size, GFP_ATOMIC); 3287ff884430SVikas Chaudhary if (!e) 3288ff884430SVikas Chaudhary return NULL; 3289ff884430SVikas Chaudhary 3290ff884430SVikas Chaudhary INIT_LIST_HEAD(&e->list); 3291ff884430SVikas Chaudhary e->type = type; 3292ff884430SVikas Chaudhary return e; 3293ff884430SVikas Chaudhary } 3294ff884430SVikas Chaudhary 3295ff884430SVikas Chaudhary static void qla4xxx_post_work(struct scsi_qla_host *ha, 3296ff884430SVikas Chaudhary struct qla4_work_evt *e) 3297ff884430SVikas Chaudhary { 3298ff884430SVikas Chaudhary unsigned long flags; 3299ff884430SVikas Chaudhary 3300ff884430SVikas Chaudhary spin_lock_irqsave(&ha->work_lock, flags); 3301ff884430SVikas Chaudhary list_add_tail(&e->list, &ha->work_list); 3302ff884430SVikas Chaudhary spin_unlock_irqrestore(&ha->work_lock, flags); 3303ff884430SVikas Chaudhary qla4xxx_wake_dpc(ha); 3304ff884430SVikas Chaudhary } 3305ff884430SVikas Chaudhary 3306ff884430SVikas Chaudhary int qla4xxx_post_aen_work(struct scsi_qla_host *ha, 3307ff884430SVikas Chaudhary enum iscsi_host_event_code aen_code, 3308ff884430SVikas Chaudhary uint32_t data_size, uint8_t *data) 3309ff884430SVikas Chaudhary { 3310ff884430SVikas Chaudhary struct qla4_work_evt *e; 3311ff884430SVikas Chaudhary 3312ff884430SVikas Chaudhary e = qla4xxx_alloc_work(ha, data_size, QLA4_EVENT_AEN); 3313ff884430SVikas Chaudhary if (!e) 3314ff884430SVikas Chaudhary return QLA_ERROR; 3315ff884430SVikas Chaudhary 3316ff884430SVikas Chaudhary e->u.aen.code = aen_code; 3317ff884430SVikas Chaudhary e->u.aen.data_size = data_size; 3318ff884430SVikas Chaudhary memcpy(e->u.aen.data, data, data_size); 3319ff884430SVikas Chaudhary 3320ff884430SVikas Chaudhary qla4xxx_post_work(ha, e); 3321ff884430SVikas Chaudhary 3322ff884430SVikas Chaudhary return QLA_SUCCESS; 3323ff884430SVikas Chaudhary } 3324ff884430SVikas Chaudhary 3325c0b9d3f7SVikas Chaudhary int qla4xxx_post_ping_evt_work(struct scsi_qla_host *ha, 3326c0b9d3f7SVikas Chaudhary uint32_t status, uint32_t pid, 3327c0b9d3f7SVikas Chaudhary uint32_t data_size, uint8_t *data) 3328c0b9d3f7SVikas Chaudhary { 3329c0b9d3f7SVikas Chaudhary struct qla4_work_evt *e; 3330c0b9d3f7SVikas Chaudhary 3331c0b9d3f7SVikas Chaudhary e = qla4xxx_alloc_work(ha, data_size, QLA4_EVENT_PING_STATUS); 3332c0b9d3f7SVikas Chaudhary if (!e) 3333c0b9d3f7SVikas Chaudhary return QLA_ERROR; 3334c0b9d3f7SVikas Chaudhary 3335c0b9d3f7SVikas Chaudhary e->u.ping.status = status; 3336c0b9d3f7SVikas Chaudhary e->u.ping.pid = pid; 3337c0b9d3f7SVikas Chaudhary e->u.ping.data_size = data_size; 3338c0b9d3f7SVikas Chaudhary memcpy(e->u.ping.data, data, data_size); 3339c0b9d3f7SVikas Chaudhary 3340c0b9d3f7SVikas Chaudhary qla4xxx_post_work(ha, e); 3341c0b9d3f7SVikas Chaudhary 3342c0b9d3f7SVikas Chaudhary return QLA_SUCCESS; 3343c0b9d3f7SVikas Chaudhary } 3344c0b9d3f7SVikas Chaudhary 3345a7380a65SVikas Chaudhary static void qla4xxx_do_work(struct scsi_qla_host *ha) 3346ff884430SVikas Chaudhary { 3347ff884430SVikas Chaudhary struct qla4_work_evt *e, *tmp; 3348ff884430SVikas Chaudhary unsigned long flags; 3349ff884430SVikas Chaudhary LIST_HEAD(work); 3350ff884430SVikas Chaudhary 3351ff884430SVikas Chaudhary spin_lock_irqsave(&ha->work_lock, flags); 3352ff884430SVikas Chaudhary list_splice_init(&ha->work_list, &work); 3353ff884430SVikas Chaudhary spin_unlock_irqrestore(&ha->work_lock, flags); 3354ff884430SVikas Chaudhary 3355ff884430SVikas Chaudhary list_for_each_entry_safe(e, tmp, &work, list) { 3356ff884430SVikas Chaudhary list_del_init(&e->list); 3357ff884430SVikas Chaudhary 3358ff884430SVikas Chaudhary switch (e->type) { 3359ff884430SVikas Chaudhary case QLA4_EVENT_AEN: 3360ff884430SVikas Chaudhary iscsi_post_host_event(ha->host_no, 3361ff884430SVikas Chaudhary &qla4xxx_iscsi_transport, 3362ff884430SVikas Chaudhary e->u.aen.code, 3363ff884430SVikas Chaudhary e->u.aen.data_size, 3364ff884430SVikas Chaudhary e->u.aen.data); 3365ff884430SVikas Chaudhary break; 3366c0b9d3f7SVikas Chaudhary case QLA4_EVENT_PING_STATUS: 3367c0b9d3f7SVikas Chaudhary iscsi_ping_comp_event(ha->host_no, 3368c0b9d3f7SVikas Chaudhary &qla4xxx_iscsi_transport, 3369c0b9d3f7SVikas Chaudhary e->u.ping.status, 3370c0b9d3f7SVikas Chaudhary e->u.ping.pid, 3371c0b9d3f7SVikas Chaudhary e->u.ping.data_size, 3372c0b9d3f7SVikas Chaudhary e->u.ping.data); 3373c0b9d3f7SVikas Chaudhary break; 3374ff884430SVikas Chaudhary default: 3375ff884430SVikas Chaudhary ql4_printk(KERN_WARNING, ha, "event type: 0x%x not " 3376ff884430SVikas Chaudhary "supported", e->type); 3377ff884430SVikas Chaudhary } 3378ff884430SVikas Chaudhary kfree(e); 3379ff884430SVikas Chaudhary } 3380ff884430SVikas Chaudhary } 3381ff884430SVikas Chaudhary 3382afaf5a2dSDavid Somayajulu /** 3383afaf5a2dSDavid Somayajulu * qla4xxx_do_dpc - dpc routine 3384afaf5a2dSDavid Somayajulu * @data: in our case pointer to adapter structure 3385afaf5a2dSDavid Somayajulu * 3386afaf5a2dSDavid Somayajulu * This routine is a task that is schedule by the interrupt handler 3387afaf5a2dSDavid Somayajulu * to perform the background processing for interrupts. We put it 3388afaf5a2dSDavid Somayajulu * on a task queue that is consumed whenever the scheduler runs; that's 3389afaf5a2dSDavid Somayajulu * so you can do anything (i.e. put the process to sleep etc). In fact, 3390afaf5a2dSDavid Somayajulu * the mid-level tries to sleep when it reaches the driver threshold 3391afaf5a2dSDavid Somayajulu * "host->can_queue". This can cause a panic if we were in our interrupt code. 3392afaf5a2dSDavid Somayajulu **/ 3393c4028958SDavid Howells static void qla4xxx_do_dpc(struct work_struct *work) 3394afaf5a2dSDavid Somayajulu { 3395c4028958SDavid Howells struct scsi_qla_host *ha = 3396c4028958SDavid Howells container_of(work, struct scsi_qla_host, dpc_work); 3397477ffb9dSDavid C Somayajulu int status = QLA_ERROR; 3398afaf5a2dSDavid Somayajulu 3399f26b9044SDavid C Somayajulu DEBUG2(printk("scsi%ld: %s: DPC handler waking up." 3400f4f5df23SVikas Chaudhary "flags = 0x%08lx, dpc_flags = 0x%08lx\n", 3401f4f5df23SVikas Chaudhary ha->host_no, __func__, ha->flags, ha->dpc_flags)) 3402afaf5a2dSDavid Somayajulu 3403afaf5a2dSDavid Somayajulu /* Initialization not yet finished. Don't do anything yet. */ 3404afaf5a2dSDavid Somayajulu if (!test_bit(AF_INIT_DONE, &ha->flags)) 34051b46807eSLalit Chandivade return; 3406afaf5a2dSDavid Somayajulu 34072232be0dSLalit Chandivade if (test_bit(AF_EEH_BUSY, &ha->flags)) { 34082232be0dSLalit Chandivade DEBUG2(printk(KERN_INFO "scsi%ld: %s: flags = %lx\n", 34092232be0dSLalit Chandivade ha->host_no, __func__, ha->flags)); 34101b46807eSLalit Chandivade return; 34112232be0dSLalit Chandivade } 34122232be0dSLalit Chandivade 3413ff884430SVikas Chaudhary /* post events to application */ 3414ff884430SVikas Chaudhary qla4xxx_do_work(ha); 3415ff884430SVikas Chaudhary 34166e7b4292SVikas Chaudhary if (is_qla80XX(ha)) { 3417f4f5df23SVikas Chaudhary if (test_bit(DPC_HA_UNRECOVERABLE, &ha->dpc_flags)) { 3418546fef27STej Parkash if (is_qla8032(ha)) { 3419546fef27STej Parkash ql4_printk(KERN_INFO, ha, "%s: disabling pause transmit on port 0 & 1.\n", 3420546fef27STej Parkash __func__); 3421546fef27STej Parkash /* disable pause frame for ISP83xx */ 3422546fef27STej Parkash qla4_83xx_disable_pause(ha); 3423546fef27STej Parkash } 3424546fef27STej Parkash 342533693c7aSVikas Chaudhary ha->isp_ops->idc_lock(ha); 342633693c7aSVikas Chaudhary qla4_8xxx_wr_direct(ha, QLA8XXX_CRB_DEV_STATE, 3427de8c72daSVikas Chaudhary QLA8XXX_DEV_FAILED); 342833693c7aSVikas Chaudhary ha->isp_ops->idc_unlock(ha); 3429f4f5df23SVikas Chaudhary ql4_printk(KERN_INFO, ha, "HW State: FAILED\n"); 3430f4f5df23SVikas Chaudhary qla4_8xxx_device_state_handler(ha); 3431f4f5df23SVikas Chaudhary } 3432320a61deSNilesh Javali 3433320a61deSNilesh Javali if (test_and_clear_bit(DPC_POST_IDC_ACK, &ha->dpc_flags)) 3434320a61deSNilesh Javali qla4_83xx_post_idc_ack(ha); 3435320a61deSNilesh Javali 3436f4f5df23SVikas Chaudhary if (test_and_clear_bit(DPC_HA_NEED_QUIESCENT, &ha->dpc_flags)) { 3437f4f5df23SVikas Chaudhary qla4_8xxx_need_qsnt_handler(ha); 3438f4f5df23SVikas Chaudhary } 3439f4f5df23SVikas Chaudhary } 3440f4f5df23SVikas Chaudhary 3441f4f5df23SVikas Chaudhary if (!test_bit(DPC_RESET_ACTIVE, &ha->dpc_flags) && 3442f4f5df23SVikas Chaudhary (test_bit(DPC_RESET_HA, &ha->dpc_flags) || 3443afaf5a2dSDavid Somayajulu test_bit(DPC_RESET_HA_INTR, &ha->dpc_flags) || 3444f4f5df23SVikas Chaudhary test_bit(DPC_RESET_HA_FW_CONTEXT, &ha->dpc_flags))) { 34456e7b4292SVikas Chaudhary if ((is_qla8022(ha) && ql4xdontresethba) || 34466e7b4292SVikas Chaudhary (is_qla8032(ha) && qla4_83xx_idc_dontreset(ha))) { 3447f4f5df23SVikas Chaudhary DEBUG2(printk("scsi%ld: %s: Don't Reset HBA\n", 3448f4f5df23SVikas Chaudhary ha->host_no, __func__)); 3449f4f5df23SVikas Chaudhary clear_bit(DPC_RESET_HA, &ha->dpc_flags); 3450f4f5df23SVikas Chaudhary clear_bit(DPC_RESET_HA_INTR, &ha->dpc_flags); 3451f4f5df23SVikas Chaudhary clear_bit(DPC_RESET_HA_FW_CONTEXT, &ha->dpc_flags); 3452f4f5df23SVikas Chaudhary goto dpc_post_reset_ha; 3453f4f5df23SVikas Chaudhary } 3454f4f5df23SVikas Chaudhary if (test_bit(DPC_RESET_HA_FW_CONTEXT, &ha->dpc_flags) || 3455f26b9044SDavid C Somayajulu test_bit(DPC_RESET_HA, &ha->dpc_flags)) 3456f4f5df23SVikas Chaudhary qla4xxx_recover_adapter(ha); 3457afaf5a2dSDavid Somayajulu 3458477ffb9dSDavid C Somayajulu if (test_bit(DPC_RESET_HA_INTR, &ha->dpc_flags)) { 3459afaf5a2dSDavid Somayajulu uint8_t wait_time = RESET_INTR_TOV; 3460afaf5a2dSDavid Somayajulu 3461afaf5a2dSDavid Somayajulu while ((readw(&ha->reg->ctrl_status) & 3462afaf5a2dSDavid Somayajulu (CSR_SOFT_RESET | CSR_FORCE_SOFT_RESET)) != 0) { 3463afaf5a2dSDavid Somayajulu if (--wait_time == 0) 3464afaf5a2dSDavid Somayajulu break; 3465afaf5a2dSDavid Somayajulu msleep(1000); 3466afaf5a2dSDavid Somayajulu } 3467afaf5a2dSDavid Somayajulu if (wait_time == 0) 3468afaf5a2dSDavid Somayajulu DEBUG2(printk("scsi%ld: %s: SR|FSR " 3469afaf5a2dSDavid Somayajulu "bit not cleared-- resetting\n", 3470afaf5a2dSDavid Somayajulu ha->host_no, __func__)); 3471f4f5df23SVikas Chaudhary qla4xxx_abort_active_cmds(ha, DID_RESET << 16); 3472477ffb9dSDavid C Somayajulu if (ql4xxx_lock_drvr_wait(ha) == QLA_SUCCESS) { 3473477ffb9dSDavid C Somayajulu qla4xxx_process_aen(ha, FLUSH_DDB_CHANGED_AENS); 3474f4f5df23SVikas Chaudhary status = qla4xxx_recover_adapter(ha); 3475477ffb9dSDavid C Somayajulu } 3476477ffb9dSDavid C Somayajulu clear_bit(DPC_RESET_HA_INTR, &ha->dpc_flags); 3477477ffb9dSDavid C Somayajulu if (status == QLA_SUCCESS) 3478f4f5df23SVikas Chaudhary ha->isp_ops->enable_intrs(ha); 3479afaf5a2dSDavid Somayajulu } 3480afaf5a2dSDavid Somayajulu } 3481afaf5a2dSDavid Somayajulu 3482f4f5df23SVikas Chaudhary dpc_post_reset_ha: 3483afaf5a2dSDavid Somayajulu /* ---- process AEN? --- */ 3484afaf5a2dSDavid Somayajulu if (test_and_clear_bit(DPC_AEN, &ha->dpc_flags)) 3485afaf5a2dSDavid Somayajulu qla4xxx_process_aen(ha, PROCESS_ALL_AENS); 3486afaf5a2dSDavid Somayajulu 3487afaf5a2dSDavid Somayajulu /* ---- Get DHCP IP Address? --- */ 3488afaf5a2dSDavid Somayajulu if (test_and_clear_bit(DPC_GET_DHCP_IP_ADDR, &ha->dpc_flags)) 3489afaf5a2dSDavid Somayajulu qla4xxx_get_dhcp_ip_address(ha); 3490afaf5a2dSDavid Somayajulu 349113483730SMike Christie /* ---- relogin device? --- */ 349213483730SMike Christie if (adapter_up(ha) && 349313483730SMike Christie test_and_clear_bit(DPC_RELOGIN_DEVICE, &ha->dpc_flags)) { 349413483730SMike Christie iscsi_host_for_each_session(ha->host, qla4xxx_dpc_relogin); 349513483730SMike Christie } 349613483730SMike Christie 3497065aa1b4SVikas Chaudhary /* ---- link change? --- */ 3498026fbd3aSNilesh Javali if (!test_bit(AF_LOOPBACK, &ha->flags) && 3499026fbd3aSNilesh Javali test_and_clear_bit(DPC_LINK_CHANGED, &ha->dpc_flags)) { 3500065aa1b4SVikas Chaudhary if (!test_bit(AF_LINK_UP, &ha->flags)) { 3501065aa1b4SVikas Chaudhary /* ---- link down? --- */ 35022d7924e6SVikas Chaudhary qla4xxx_mark_all_devices_missing(ha); 3503065aa1b4SVikas Chaudhary } else { 3504065aa1b4SVikas Chaudhary /* ---- link up? --- * 3505065aa1b4SVikas Chaudhary * F/W will auto login to all devices ONLY ONCE after 3506065aa1b4SVikas Chaudhary * link up during driver initialization and runtime 3507065aa1b4SVikas Chaudhary * fatal error recovery. Therefore, the driver must 3508065aa1b4SVikas Chaudhary * manually relogin to devices when recovering from 3509065aa1b4SVikas Chaudhary * connection failures, logouts, expired KATO, etc. */ 351013483730SMike Christie if (test_and_clear_bit(AF_BUILD_DDB_LIST, &ha->flags)) { 351113483730SMike Christie qla4xxx_build_ddb_list(ha, ha->is_reset); 351213483730SMike Christie iscsi_host_for_each_session(ha->host, 351313483730SMike Christie qla4xxx_login_flash_ddb); 351413483730SMike Christie } else 35152d7924e6SVikas Chaudhary qla4xxx_relogin_all_devices(ha); 3516065aa1b4SVikas Chaudhary } 3517065aa1b4SVikas Chaudhary } 3518afaf5a2dSDavid Somayajulu } 3519afaf5a2dSDavid Somayajulu 3520afaf5a2dSDavid Somayajulu /** 3521afaf5a2dSDavid Somayajulu * qla4xxx_free_adapter - release the adapter 3522afaf5a2dSDavid Somayajulu * @ha: pointer to adapter structure 3523afaf5a2dSDavid Somayajulu **/ 3524afaf5a2dSDavid Somayajulu static void qla4xxx_free_adapter(struct scsi_qla_host *ha) 3525afaf5a2dSDavid Somayajulu { 35268a288960SSarang Radke qla4xxx_abort_active_cmds(ha, DID_NO_CONNECT << 16); 3527afaf5a2dSDavid Somayajulu 3528afaf5a2dSDavid Somayajulu /* Turn-off interrupts on the card. */ 3529f4f5df23SVikas Chaudhary ha->isp_ops->disable_intrs(ha); 3530afaf5a2dSDavid Somayajulu 3531d9e62e51SVikas Chaudhary if (is_qla40XX(ha)) { 3532d9e62e51SVikas Chaudhary writel(set_rmask(CSR_SCSI_PROCESSOR_INTR), 3533d9e62e51SVikas Chaudhary &ha->reg->ctrl_status); 3534d9e62e51SVikas Chaudhary readl(&ha->reg->ctrl_status); 3535d9e62e51SVikas Chaudhary } else if (is_qla8022(ha)) { 35367664a1fdSVikas Chaudhary writel(0, &ha->qla4_82xx_reg->host_int); 35377664a1fdSVikas Chaudhary readl(&ha->qla4_82xx_reg->host_int); 3538fbd8107cSVikas Chaudhary } else if (is_qla8032(ha)) { 3539fbd8107cSVikas Chaudhary writel(0, &ha->qla4_83xx_reg->risc_intr); 3540fbd8107cSVikas Chaudhary readl(&ha->qla4_83xx_reg->risc_intr); 3541d9e62e51SVikas Chaudhary } 3542d9e62e51SVikas Chaudhary 3543afaf5a2dSDavid Somayajulu /* Remove timer thread, if present */ 3544afaf5a2dSDavid Somayajulu if (ha->timer_active) 3545afaf5a2dSDavid Somayajulu qla4xxx_stop_timer(ha); 3546afaf5a2dSDavid Somayajulu 3547f4f5df23SVikas Chaudhary /* Kill the kernel thread for this host */ 3548f4f5df23SVikas Chaudhary if (ha->dpc_thread) 3549f4f5df23SVikas Chaudhary destroy_workqueue(ha->dpc_thread); 3550f4f5df23SVikas Chaudhary 3551b3a271a9SManish Rangankar /* Kill the kernel thread for this host */ 3552b3a271a9SManish Rangankar if (ha->task_wq) 3553b3a271a9SManish Rangankar destroy_workqueue(ha->task_wq); 3554b3a271a9SManish Rangankar 3555f4f5df23SVikas Chaudhary /* Put firmware in known state */ 3556f4f5df23SVikas Chaudhary ha->isp_ops->reset_firmware(ha); 3557f4f5df23SVikas Chaudhary 35586e7b4292SVikas Chaudhary if (is_qla80XX(ha)) { 355933693c7aSVikas Chaudhary ha->isp_ops->idc_lock(ha); 3560f4f5df23SVikas Chaudhary qla4_8xxx_clear_drv_active(ha); 356133693c7aSVikas Chaudhary ha->isp_ops->idc_unlock(ha); 3562f4f5df23SVikas Chaudhary } 3563f4f5df23SVikas Chaudhary 3564afaf5a2dSDavid Somayajulu /* Detach interrupts */ 3565f4f5df23SVikas Chaudhary qla4xxx_free_irqs(ha); 3566afaf5a2dSDavid Somayajulu 3567bee4fe8eSDavid C Somayajulu /* free extra memory */ 3568bee4fe8eSDavid C Somayajulu qla4xxx_mem_free(ha); 3569f4f5df23SVikas Chaudhary } 3570bee4fe8eSDavid C Somayajulu 3571f4f5df23SVikas Chaudhary int qla4_8xxx_iospace_config(struct scsi_qla_host *ha) 3572f4f5df23SVikas Chaudhary { 3573f4f5df23SVikas Chaudhary int status = 0; 3574f4f5df23SVikas Chaudhary unsigned long mem_base, mem_len, db_base, db_len; 3575f4f5df23SVikas Chaudhary struct pci_dev *pdev = ha->pdev; 3576afaf5a2dSDavid Somayajulu 3577f4f5df23SVikas Chaudhary status = pci_request_regions(pdev, DRIVER_NAME); 3578f4f5df23SVikas Chaudhary if (status) { 3579f4f5df23SVikas Chaudhary printk(KERN_WARNING 3580f4f5df23SVikas Chaudhary "scsi(%ld) Failed to reserve PIO regions (%s) " 3581f4f5df23SVikas Chaudhary "status=%d\n", ha->host_no, pci_name(pdev), status); 3582f4f5df23SVikas Chaudhary goto iospace_error_exit; 3583f4f5df23SVikas Chaudhary } 3584f4f5df23SVikas Chaudhary 3585f4f5df23SVikas Chaudhary DEBUG2(printk(KERN_INFO "%s: revision-id=%d\n", 35867d7311c4SSergei Shtylyov __func__, pdev->revision)); 35877d7311c4SSergei Shtylyov ha->revision_id = pdev->revision; 3588f4f5df23SVikas Chaudhary 3589f4f5df23SVikas Chaudhary /* remap phys address */ 3590f4f5df23SVikas Chaudhary mem_base = pci_resource_start(pdev, 0); /* 0 is for BAR 0 */ 3591f4f5df23SVikas Chaudhary mem_len = pci_resource_len(pdev, 0); 3592f4f5df23SVikas Chaudhary DEBUG2(printk(KERN_INFO "%s: ioremap from %lx a size of %lx\n", 3593f4f5df23SVikas Chaudhary __func__, mem_base, mem_len)); 3594f4f5df23SVikas Chaudhary 3595f4f5df23SVikas Chaudhary /* mapping of pcibase pointer */ 3596f4f5df23SVikas Chaudhary ha->nx_pcibase = (unsigned long)ioremap(mem_base, mem_len); 3597f4f5df23SVikas Chaudhary if (!ha->nx_pcibase) { 3598f4f5df23SVikas Chaudhary printk(KERN_ERR 3599f4f5df23SVikas Chaudhary "cannot remap MMIO (%s), aborting\n", pci_name(pdev)); 3600f4f5df23SVikas Chaudhary pci_release_regions(ha->pdev); 3601f4f5df23SVikas Chaudhary goto iospace_error_exit; 3602f4f5df23SVikas Chaudhary } 3603f4f5df23SVikas Chaudhary 3604f4f5df23SVikas Chaudhary /* Mapping of IO base pointer, door bell read and write pointer */ 3605f4f5df23SVikas Chaudhary 3606f4f5df23SVikas Chaudhary /* mapping of IO base pointer */ 36076e7b4292SVikas Chaudhary if (is_qla8022(ha)) { 36086e7b4292SVikas Chaudhary ha->qla4_82xx_reg = (struct device_reg_82xx __iomem *) 36096e7b4292SVikas Chaudhary ((uint8_t *)ha->nx_pcibase + 0xbc000 + 36106e7b4292SVikas Chaudhary (ha->pdev->devfn << 11)); 36116e7b4292SVikas Chaudhary ha->nx_db_wr_ptr = (ha->pdev->devfn == 4 ? QLA82XX_CAM_RAM_DB1 : 36126e7b4292SVikas Chaudhary QLA82XX_CAM_RAM_DB2); 36136e7b4292SVikas Chaudhary } else if (is_qla8032(ha)) { 36146e7b4292SVikas Chaudhary ha->qla4_83xx_reg = (struct device_reg_83xx __iomem *) 36156e7b4292SVikas Chaudhary ((uint8_t *)ha->nx_pcibase); 36166e7b4292SVikas Chaudhary } 3617f4f5df23SVikas Chaudhary 3618f4f5df23SVikas Chaudhary db_base = pci_resource_start(pdev, 4); /* doorbell is on bar 4 */ 3619f4f5df23SVikas Chaudhary db_len = pci_resource_len(pdev, 4); 3620f4f5df23SVikas Chaudhary 36212657c800SShyam Sundar return 0; 3622f4f5df23SVikas Chaudhary iospace_error_exit: 3623f4f5df23SVikas Chaudhary return -ENOMEM; 3624afaf5a2dSDavid Somayajulu } 3625afaf5a2dSDavid Somayajulu 3626afaf5a2dSDavid Somayajulu /*** 3627afaf5a2dSDavid Somayajulu * qla4xxx_iospace_config - maps registers 3628afaf5a2dSDavid Somayajulu * @ha: pointer to adapter structure 3629afaf5a2dSDavid Somayajulu * 3630afaf5a2dSDavid Somayajulu * This routines maps HBA's registers from the pci address space 3631afaf5a2dSDavid Somayajulu * into the kernel virtual address space for memory mapped i/o. 3632afaf5a2dSDavid Somayajulu **/ 3633f4f5df23SVikas Chaudhary int qla4xxx_iospace_config(struct scsi_qla_host *ha) 3634afaf5a2dSDavid Somayajulu { 3635afaf5a2dSDavid Somayajulu unsigned long pio, pio_len, pio_flags; 3636afaf5a2dSDavid Somayajulu unsigned long mmio, mmio_len, mmio_flags; 3637afaf5a2dSDavid Somayajulu 3638afaf5a2dSDavid Somayajulu pio = pci_resource_start(ha->pdev, 0); 3639afaf5a2dSDavid Somayajulu pio_len = pci_resource_len(ha->pdev, 0); 3640afaf5a2dSDavid Somayajulu pio_flags = pci_resource_flags(ha->pdev, 0); 3641afaf5a2dSDavid Somayajulu if (pio_flags & IORESOURCE_IO) { 3642afaf5a2dSDavid Somayajulu if (pio_len < MIN_IOBASE_LEN) { 3643c2660df3SVikas Chaudhary ql4_printk(KERN_WARNING, ha, 3644afaf5a2dSDavid Somayajulu "Invalid PCI I/O region size\n"); 3645afaf5a2dSDavid Somayajulu pio = 0; 3646afaf5a2dSDavid Somayajulu } 3647afaf5a2dSDavid Somayajulu } else { 3648c2660df3SVikas Chaudhary ql4_printk(KERN_WARNING, ha, "region #0 not a PIO resource\n"); 3649afaf5a2dSDavid Somayajulu pio = 0; 3650afaf5a2dSDavid Somayajulu } 3651afaf5a2dSDavid Somayajulu 3652afaf5a2dSDavid Somayajulu /* Use MMIO operations for all accesses. */ 3653afaf5a2dSDavid Somayajulu mmio = pci_resource_start(ha->pdev, 1); 3654afaf5a2dSDavid Somayajulu mmio_len = pci_resource_len(ha->pdev, 1); 3655afaf5a2dSDavid Somayajulu mmio_flags = pci_resource_flags(ha->pdev, 1); 3656afaf5a2dSDavid Somayajulu 3657afaf5a2dSDavid Somayajulu if (!(mmio_flags & IORESOURCE_MEM)) { 3658c2660df3SVikas Chaudhary ql4_printk(KERN_ERR, ha, 3659afaf5a2dSDavid Somayajulu "region #0 not an MMIO resource, aborting\n"); 3660afaf5a2dSDavid Somayajulu 3661afaf5a2dSDavid Somayajulu goto iospace_error_exit; 3662afaf5a2dSDavid Somayajulu } 3663c2660df3SVikas Chaudhary 3664afaf5a2dSDavid Somayajulu if (mmio_len < MIN_IOBASE_LEN) { 3665c2660df3SVikas Chaudhary ql4_printk(KERN_ERR, ha, 3666afaf5a2dSDavid Somayajulu "Invalid PCI mem region size, aborting\n"); 3667afaf5a2dSDavid Somayajulu goto iospace_error_exit; 3668afaf5a2dSDavid Somayajulu } 3669afaf5a2dSDavid Somayajulu 3670afaf5a2dSDavid Somayajulu if (pci_request_regions(ha->pdev, DRIVER_NAME)) { 3671c2660df3SVikas Chaudhary ql4_printk(KERN_WARNING, ha, 3672afaf5a2dSDavid Somayajulu "Failed to reserve PIO/MMIO regions\n"); 3673afaf5a2dSDavid Somayajulu 3674afaf5a2dSDavid Somayajulu goto iospace_error_exit; 3675afaf5a2dSDavid Somayajulu } 3676afaf5a2dSDavid Somayajulu 3677afaf5a2dSDavid Somayajulu ha->pio_address = pio; 3678afaf5a2dSDavid Somayajulu ha->pio_length = pio_len; 3679afaf5a2dSDavid Somayajulu ha->reg = ioremap(mmio, MIN_IOBASE_LEN); 3680afaf5a2dSDavid Somayajulu if (!ha->reg) { 3681c2660df3SVikas Chaudhary ql4_printk(KERN_ERR, ha, 3682afaf5a2dSDavid Somayajulu "cannot remap MMIO, aborting\n"); 3683afaf5a2dSDavid Somayajulu 3684afaf5a2dSDavid Somayajulu goto iospace_error_exit; 3685afaf5a2dSDavid Somayajulu } 3686afaf5a2dSDavid Somayajulu 3687afaf5a2dSDavid Somayajulu return 0; 3688afaf5a2dSDavid Somayajulu 3689afaf5a2dSDavid Somayajulu iospace_error_exit: 3690afaf5a2dSDavid Somayajulu return -ENOMEM; 3691afaf5a2dSDavid Somayajulu } 3692afaf5a2dSDavid Somayajulu 3693f4f5df23SVikas Chaudhary static struct isp_operations qla4xxx_isp_ops = { 3694f4f5df23SVikas Chaudhary .iospace_config = qla4xxx_iospace_config, 3695f4f5df23SVikas Chaudhary .pci_config = qla4xxx_pci_config, 3696f4f5df23SVikas Chaudhary .disable_intrs = qla4xxx_disable_intrs, 3697f4f5df23SVikas Chaudhary .enable_intrs = qla4xxx_enable_intrs, 3698f4f5df23SVikas Chaudhary .start_firmware = qla4xxx_start_firmware, 3699f4f5df23SVikas Chaudhary .intr_handler = qla4xxx_intr_handler, 3700f4f5df23SVikas Chaudhary .interrupt_service_routine = qla4xxx_interrupt_service_routine, 3701f4f5df23SVikas Chaudhary .reset_chip = qla4xxx_soft_reset, 3702f4f5df23SVikas Chaudhary .reset_firmware = qla4xxx_hw_reset, 3703f4f5df23SVikas Chaudhary .queue_iocb = qla4xxx_queue_iocb, 3704f4f5df23SVikas Chaudhary .complete_iocb = qla4xxx_complete_iocb, 3705f4f5df23SVikas Chaudhary .rd_shdw_req_q_out = qla4xxx_rd_shdw_req_q_out, 3706f4f5df23SVikas Chaudhary .rd_shdw_rsp_q_in = qla4xxx_rd_shdw_rsp_q_in, 3707f4f5df23SVikas Chaudhary .get_sys_info = qla4xxx_get_sys_info, 370833693c7aSVikas Chaudhary .queue_mailbox_command = qla4xxx_queue_mbox_cmd, 370933693c7aSVikas Chaudhary .process_mailbox_interrupt = qla4xxx_process_mbox_intr, 3710f4f5df23SVikas Chaudhary }; 3711f4f5df23SVikas Chaudhary 37127664a1fdSVikas Chaudhary static struct isp_operations qla4_82xx_isp_ops = { 3713f4f5df23SVikas Chaudhary .iospace_config = qla4_8xxx_iospace_config, 3714f4f5df23SVikas Chaudhary .pci_config = qla4_8xxx_pci_config, 3715f8086f4fSVikas Chaudhary .disable_intrs = qla4_82xx_disable_intrs, 3716f8086f4fSVikas Chaudhary .enable_intrs = qla4_82xx_enable_intrs, 3717f4f5df23SVikas Chaudhary .start_firmware = qla4_8xxx_load_risc, 371833693c7aSVikas Chaudhary .restart_firmware = qla4_82xx_try_start_fw, 3719f8086f4fSVikas Chaudhary .intr_handler = qla4_82xx_intr_handler, 3720f8086f4fSVikas Chaudhary .interrupt_service_routine = qla4_82xx_interrupt_service_routine, 372133693c7aSVikas Chaudhary .need_reset = qla4_8xxx_need_reset, 3722f8086f4fSVikas Chaudhary .reset_chip = qla4_82xx_isp_reset, 3723f4f5df23SVikas Chaudhary .reset_firmware = qla4_8xxx_stop_firmware, 3724f8086f4fSVikas Chaudhary .queue_iocb = qla4_82xx_queue_iocb, 3725f8086f4fSVikas Chaudhary .complete_iocb = qla4_82xx_complete_iocb, 3726f8086f4fSVikas Chaudhary .rd_shdw_req_q_out = qla4_82xx_rd_shdw_req_q_out, 3727f8086f4fSVikas Chaudhary .rd_shdw_rsp_q_in = qla4_82xx_rd_shdw_rsp_q_in, 3728f4f5df23SVikas Chaudhary .get_sys_info = qla4_8xxx_get_sys_info, 372933693c7aSVikas Chaudhary .rd_reg_direct = qla4_82xx_rd_32, 373033693c7aSVikas Chaudhary .wr_reg_direct = qla4_82xx_wr_32, 373133693c7aSVikas Chaudhary .rd_reg_indirect = qla4_82xx_md_rd_32, 373233693c7aSVikas Chaudhary .wr_reg_indirect = qla4_82xx_md_wr_32, 373333693c7aSVikas Chaudhary .idc_lock = qla4_82xx_idc_lock, 373433693c7aSVikas Chaudhary .idc_unlock = qla4_82xx_idc_unlock, 373533693c7aSVikas Chaudhary .rom_lock_recovery = qla4_82xx_rom_lock_recovery, 373633693c7aSVikas Chaudhary .queue_mailbox_command = qla4_82xx_queue_mbox_cmd, 373733693c7aSVikas Chaudhary .process_mailbox_interrupt = qla4_82xx_process_mbox_intr, 3738f4f5df23SVikas Chaudhary }; 3739f4f5df23SVikas Chaudhary 37406e7b4292SVikas Chaudhary static struct isp_operations qla4_83xx_isp_ops = { 37416e7b4292SVikas Chaudhary .iospace_config = qla4_8xxx_iospace_config, 37426e7b4292SVikas Chaudhary .pci_config = qla4_8xxx_pci_config, 37436e7b4292SVikas Chaudhary .disable_intrs = qla4_83xx_disable_intrs, 37446e7b4292SVikas Chaudhary .enable_intrs = qla4_83xx_enable_intrs, 37456e7b4292SVikas Chaudhary .start_firmware = qla4_8xxx_load_risc, 37466e7b4292SVikas Chaudhary .restart_firmware = qla4_83xx_start_firmware, 37476e7b4292SVikas Chaudhary .intr_handler = qla4_83xx_intr_handler, 37486e7b4292SVikas Chaudhary .interrupt_service_routine = qla4_83xx_interrupt_service_routine, 37496e7b4292SVikas Chaudhary .need_reset = qla4_8xxx_need_reset, 37506e7b4292SVikas Chaudhary .reset_chip = qla4_83xx_isp_reset, 37516e7b4292SVikas Chaudhary .reset_firmware = qla4_8xxx_stop_firmware, 37526e7b4292SVikas Chaudhary .queue_iocb = qla4_83xx_queue_iocb, 37536e7b4292SVikas Chaudhary .complete_iocb = qla4_83xx_complete_iocb, 3754a24058f9STej Parkash .rd_shdw_req_q_out = qla4xxx_rd_shdw_req_q_out, 3755a24058f9STej Parkash .rd_shdw_rsp_q_in = qla4xxx_rd_shdw_rsp_q_in, 37566e7b4292SVikas Chaudhary .get_sys_info = qla4_8xxx_get_sys_info, 37576e7b4292SVikas Chaudhary .rd_reg_direct = qla4_83xx_rd_reg, 37586e7b4292SVikas Chaudhary .wr_reg_direct = qla4_83xx_wr_reg, 37596e7b4292SVikas Chaudhary .rd_reg_indirect = qla4_83xx_rd_reg_indirect, 37606e7b4292SVikas Chaudhary .wr_reg_indirect = qla4_83xx_wr_reg_indirect, 37616e7b4292SVikas Chaudhary .idc_lock = qla4_83xx_drv_lock, 37626e7b4292SVikas Chaudhary .idc_unlock = qla4_83xx_drv_unlock, 37636e7b4292SVikas Chaudhary .rom_lock_recovery = qla4_83xx_rom_lock_recovery, 37646e7b4292SVikas Chaudhary .queue_mailbox_command = qla4_83xx_queue_mbox_cmd, 37656e7b4292SVikas Chaudhary .process_mailbox_interrupt = qla4_83xx_process_mbox_intr, 3766f4f5df23SVikas Chaudhary }; 3767f4f5df23SVikas Chaudhary 3768f4f5df23SVikas Chaudhary uint16_t qla4xxx_rd_shdw_req_q_out(struct scsi_qla_host *ha) 3769f4f5df23SVikas Chaudhary { 3770f4f5df23SVikas Chaudhary return (uint16_t)le32_to_cpu(ha->shadow_regs->req_q_out); 3771f4f5df23SVikas Chaudhary } 3772f4f5df23SVikas Chaudhary 3773f8086f4fSVikas Chaudhary uint16_t qla4_82xx_rd_shdw_req_q_out(struct scsi_qla_host *ha) 3774f4f5df23SVikas Chaudhary { 37757664a1fdSVikas Chaudhary return (uint16_t)le32_to_cpu(readl(&ha->qla4_82xx_reg->req_q_out)); 3776f4f5df23SVikas Chaudhary } 3777f4f5df23SVikas Chaudhary 3778f4f5df23SVikas Chaudhary uint16_t qla4xxx_rd_shdw_rsp_q_in(struct scsi_qla_host *ha) 3779f4f5df23SVikas Chaudhary { 3780f4f5df23SVikas Chaudhary return (uint16_t)le32_to_cpu(ha->shadow_regs->rsp_q_in); 3781f4f5df23SVikas Chaudhary } 3782f4f5df23SVikas Chaudhary 3783f8086f4fSVikas Chaudhary uint16_t qla4_82xx_rd_shdw_rsp_q_in(struct scsi_qla_host *ha) 3784f4f5df23SVikas Chaudhary { 37857664a1fdSVikas Chaudhary return (uint16_t)le32_to_cpu(readl(&ha->qla4_82xx_reg->rsp_q_in)); 3786f4f5df23SVikas Chaudhary } 3787f4f5df23SVikas Chaudhary 37882a991c21SManish Rangankar static ssize_t qla4xxx_show_boot_eth_info(void *data, int type, char *buf) 37892a991c21SManish Rangankar { 37902a991c21SManish Rangankar struct scsi_qla_host *ha = data; 37912a991c21SManish Rangankar char *str = buf; 37922a991c21SManish Rangankar int rc; 37932a991c21SManish Rangankar 37942a991c21SManish Rangankar switch (type) { 37952a991c21SManish Rangankar case ISCSI_BOOT_ETH_FLAGS: 37962a991c21SManish Rangankar rc = sprintf(str, "%d\n", SYSFS_FLAG_FW_SEL_BOOT); 37972a991c21SManish Rangankar break; 37982a991c21SManish Rangankar case ISCSI_BOOT_ETH_INDEX: 37992a991c21SManish Rangankar rc = sprintf(str, "0\n"); 38002a991c21SManish Rangankar break; 38012a991c21SManish Rangankar case ISCSI_BOOT_ETH_MAC: 38022a991c21SManish Rangankar rc = sysfs_format_mac(str, ha->my_mac, 38032a991c21SManish Rangankar MAC_ADDR_LEN); 38042a991c21SManish Rangankar break; 38052a991c21SManish Rangankar default: 38062a991c21SManish Rangankar rc = -ENOSYS; 38072a991c21SManish Rangankar break; 38082a991c21SManish Rangankar } 38092a991c21SManish Rangankar return rc; 38102a991c21SManish Rangankar } 38112a991c21SManish Rangankar 3812587a1f16SAl Viro static umode_t qla4xxx_eth_get_attr_visibility(void *data, int type) 38132a991c21SManish Rangankar { 38142a991c21SManish Rangankar int rc; 38152a991c21SManish Rangankar 38162a991c21SManish Rangankar switch (type) { 38172a991c21SManish Rangankar case ISCSI_BOOT_ETH_FLAGS: 38182a991c21SManish Rangankar case ISCSI_BOOT_ETH_MAC: 38192a991c21SManish Rangankar case ISCSI_BOOT_ETH_INDEX: 38202a991c21SManish Rangankar rc = S_IRUGO; 38212a991c21SManish Rangankar break; 38222a991c21SManish Rangankar default: 38232a991c21SManish Rangankar rc = 0; 38242a991c21SManish Rangankar break; 38252a991c21SManish Rangankar } 38262a991c21SManish Rangankar return rc; 38272a991c21SManish Rangankar } 38282a991c21SManish Rangankar 38292a991c21SManish Rangankar static ssize_t qla4xxx_show_boot_ini_info(void *data, int type, char *buf) 38302a991c21SManish Rangankar { 38312a991c21SManish Rangankar struct scsi_qla_host *ha = data; 38322a991c21SManish Rangankar char *str = buf; 38332a991c21SManish Rangankar int rc; 38342a991c21SManish Rangankar 38352a991c21SManish Rangankar switch (type) { 38362a991c21SManish Rangankar case ISCSI_BOOT_INI_INITIATOR_NAME: 38372a991c21SManish Rangankar rc = sprintf(str, "%s\n", ha->name_string); 38382a991c21SManish Rangankar break; 38392a991c21SManish Rangankar default: 38402a991c21SManish Rangankar rc = -ENOSYS; 38412a991c21SManish Rangankar break; 38422a991c21SManish Rangankar } 38432a991c21SManish Rangankar return rc; 38442a991c21SManish Rangankar } 38452a991c21SManish Rangankar 3846587a1f16SAl Viro static umode_t qla4xxx_ini_get_attr_visibility(void *data, int type) 38472a991c21SManish Rangankar { 38482a991c21SManish Rangankar int rc; 38492a991c21SManish Rangankar 38502a991c21SManish Rangankar switch (type) { 38512a991c21SManish Rangankar case ISCSI_BOOT_INI_INITIATOR_NAME: 38522a991c21SManish Rangankar rc = S_IRUGO; 38532a991c21SManish Rangankar break; 38542a991c21SManish Rangankar default: 38552a991c21SManish Rangankar rc = 0; 38562a991c21SManish Rangankar break; 38572a991c21SManish Rangankar } 38582a991c21SManish Rangankar return rc; 38592a991c21SManish Rangankar } 38602a991c21SManish Rangankar 38612a991c21SManish Rangankar static ssize_t 38622a991c21SManish Rangankar qla4xxx_show_boot_tgt_info(struct ql4_boot_session_info *boot_sess, int type, 38632a991c21SManish Rangankar char *buf) 38642a991c21SManish Rangankar { 38652a991c21SManish Rangankar struct ql4_conn_info *boot_conn = &boot_sess->conn_list[0]; 38662a991c21SManish Rangankar char *str = buf; 38672a991c21SManish Rangankar int rc; 38682a991c21SManish Rangankar 38692a991c21SManish Rangankar switch (type) { 38702a991c21SManish Rangankar case ISCSI_BOOT_TGT_NAME: 38712a991c21SManish Rangankar rc = sprintf(buf, "%s\n", (char *)&boot_sess->target_name); 38722a991c21SManish Rangankar break; 38732a991c21SManish Rangankar case ISCSI_BOOT_TGT_IP_ADDR: 38742a991c21SManish Rangankar if (boot_sess->conn_list[0].dest_ipaddr.ip_type == 0x1) 38752a991c21SManish Rangankar rc = sprintf(buf, "%pI4\n", 38762a991c21SManish Rangankar &boot_conn->dest_ipaddr.ip_address); 38772a991c21SManish Rangankar else 38782a991c21SManish Rangankar rc = sprintf(str, "%pI6\n", 38792a991c21SManish Rangankar &boot_conn->dest_ipaddr.ip_address); 38802a991c21SManish Rangankar break; 38812a991c21SManish Rangankar case ISCSI_BOOT_TGT_PORT: 38822a991c21SManish Rangankar rc = sprintf(str, "%d\n", boot_conn->dest_port); 38832a991c21SManish Rangankar break; 38842a991c21SManish Rangankar case ISCSI_BOOT_TGT_CHAP_NAME: 38852a991c21SManish Rangankar rc = sprintf(str, "%.*s\n", 38862a991c21SManish Rangankar boot_conn->chap.target_chap_name_length, 38872a991c21SManish Rangankar (char *)&boot_conn->chap.target_chap_name); 38882a991c21SManish Rangankar break; 38892a991c21SManish Rangankar case ISCSI_BOOT_TGT_CHAP_SECRET: 38902a991c21SManish Rangankar rc = sprintf(str, "%.*s\n", 38912a991c21SManish Rangankar boot_conn->chap.target_secret_length, 38922a991c21SManish Rangankar (char *)&boot_conn->chap.target_secret); 38932a991c21SManish Rangankar break; 38942a991c21SManish Rangankar case ISCSI_BOOT_TGT_REV_CHAP_NAME: 38952a991c21SManish Rangankar rc = sprintf(str, "%.*s\n", 38962a991c21SManish Rangankar boot_conn->chap.intr_chap_name_length, 38972a991c21SManish Rangankar (char *)&boot_conn->chap.intr_chap_name); 38982a991c21SManish Rangankar break; 38992a991c21SManish Rangankar case ISCSI_BOOT_TGT_REV_CHAP_SECRET: 39002a991c21SManish Rangankar rc = sprintf(str, "%.*s\n", 39012a991c21SManish Rangankar boot_conn->chap.intr_secret_length, 39022a991c21SManish Rangankar (char *)&boot_conn->chap.intr_secret); 39032a991c21SManish Rangankar break; 39042a991c21SManish Rangankar case ISCSI_BOOT_TGT_FLAGS: 39052a991c21SManish Rangankar rc = sprintf(str, "%d\n", SYSFS_FLAG_FW_SEL_BOOT); 39062a991c21SManish Rangankar break; 39072a991c21SManish Rangankar case ISCSI_BOOT_TGT_NIC_ASSOC: 39082a991c21SManish Rangankar rc = sprintf(str, "0\n"); 39092a991c21SManish Rangankar break; 39102a991c21SManish Rangankar default: 39112a991c21SManish Rangankar rc = -ENOSYS; 39122a991c21SManish Rangankar break; 39132a991c21SManish Rangankar } 39142a991c21SManish Rangankar return rc; 39152a991c21SManish Rangankar } 39162a991c21SManish Rangankar 39172a991c21SManish Rangankar static ssize_t qla4xxx_show_boot_tgt_pri_info(void *data, int type, char *buf) 39182a991c21SManish Rangankar { 39192a991c21SManish Rangankar struct scsi_qla_host *ha = data; 39202a991c21SManish Rangankar struct ql4_boot_session_info *boot_sess = &(ha->boot_tgt.boot_pri_sess); 39212a991c21SManish Rangankar 39222a991c21SManish Rangankar return qla4xxx_show_boot_tgt_info(boot_sess, type, buf); 39232a991c21SManish Rangankar } 39242a991c21SManish Rangankar 39252a991c21SManish Rangankar static ssize_t qla4xxx_show_boot_tgt_sec_info(void *data, int type, char *buf) 39262a991c21SManish Rangankar { 39272a991c21SManish Rangankar struct scsi_qla_host *ha = data; 39282a991c21SManish Rangankar struct ql4_boot_session_info *boot_sess = &(ha->boot_tgt.boot_sec_sess); 39292a991c21SManish Rangankar 39302a991c21SManish Rangankar return qla4xxx_show_boot_tgt_info(boot_sess, type, buf); 39312a991c21SManish Rangankar } 39322a991c21SManish Rangankar 3933587a1f16SAl Viro static umode_t qla4xxx_tgt_get_attr_visibility(void *data, int type) 39342a991c21SManish Rangankar { 39352a991c21SManish Rangankar int rc; 39362a991c21SManish Rangankar 39372a991c21SManish Rangankar switch (type) { 39382a991c21SManish Rangankar case ISCSI_BOOT_TGT_NAME: 39392a991c21SManish Rangankar case ISCSI_BOOT_TGT_IP_ADDR: 39402a991c21SManish Rangankar case ISCSI_BOOT_TGT_PORT: 39412a991c21SManish Rangankar case ISCSI_BOOT_TGT_CHAP_NAME: 39422a991c21SManish Rangankar case ISCSI_BOOT_TGT_CHAP_SECRET: 39432a991c21SManish Rangankar case ISCSI_BOOT_TGT_REV_CHAP_NAME: 39442a991c21SManish Rangankar case ISCSI_BOOT_TGT_REV_CHAP_SECRET: 39452a991c21SManish Rangankar case ISCSI_BOOT_TGT_NIC_ASSOC: 39462a991c21SManish Rangankar case ISCSI_BOOT_TGT_FLAGS: 39472a991c21SManish Rangankar rc = S_IRUGO; 39482a991c21SManish Rangankar break; 39492a991c21SManish Rangankar default: 39502a991c21SManish Rangankar rc = 0; 39512a991c21SManish Rangankar break; 39522a991c21SManish Rangankar } 39532a991c21SManish Rangankar return rc; 39542a991c21SManish Rangankar } 39552a991c21SManish Rangankar 39562a991c21SManish Rangankar static void qla4xxx_boot_release(void *data) 39572a991c21SManish Rangankar { 39582a991c21SManish Rangankar struct scsi_qla_host *ha = data; 39592a991c21SManish Rangankar 39602a991c21SManish Rangankar scsi_host_put(ha->host); 39612a991c21SManish Rangankar } 39622a991c21SManish Rangankar 39632a991c21SManish Rangankar static int get_fw_boot_info(struct scsi_qla_host *ha, uint16_t ddb_index[]) 39642a991c21SManish Rangankar { 39652a991c21SManish Rangankar dma_addr_t buf_dma; 39662a991c21SManish Rangankar uint32_t addr, pri_addr, sec_addr; 39672a991c21SManish Rangankar uint32_t offset; 39682a991c21SManish Rangankar uint16_t func_num; 39692a991c21SManish Rangankar uint8_t val; 39702a991c21SManish Rangankar uint8_t *buf = NULL; 39712a991c21SManish Rangankar size_t size = 13 * sizeof(uint8_t); 39722a991c21SManish Rangankar int ret = QLA_SUCCESS; 39732a991c21SManish Rangankar 39742a991c21SManish Rangankar func_num = PCI_FUNC(ha->pdev->devfn); 39752a991c21SManish Rangankar 39760d5b36b8SManish Rangankar ql4_printk(KERN_INFO, ha, "%s: Get FW boot info for 0x%x func %d\n", 39770d5b36b8SManish Rangankar __func__, ha->pdev->device, func_num); 39782a991c21SManish Rangankar 39790d5b36b8SManish Rangankar if (is_qla40XX(ha)) { 39802a991c21SManish Rangankar if (func_num == 1) { 39812a991c21SManish Rangankar addr = NVRAM_PORT0_BOOT_MODE; 39822a991c21SManish Rangankar pri_addr = NVRAM_PORT0_BOOT_PRI_TGT; 39832a991c21SManish Rangankar sec_addr = NVRAM_PORT0_BOOT_SEC_TGT; 39842a991c21SManish Rangankar } else if (func_num == 3) { 39852a991c21SManish Rangankar addr = NVRAM_PORT1_BOOT_MODE; 39862a991c21SManish Rangankar pri_addr = NVRAM_PORT1_BOOT_PRI_TGT; 39872a991c21SManish Rangankar sec_addr = NVRAM_PORT1_BOOT_SEC_TGT; 39882a991c21SManish Rangankar } else { 39892a991c21SManish Rangankar ret = QLA_ERROR; 39902a991c21SManish Rangankar goto exit_boot_info; 39912a991c21SManish Rangankar } 39922a991c21SManish Rangankar 39932a991c21SManish Rangankar /* Check Boot Mode */ 39942a991c21SManish Rangankar val = rd_nvram_byte(ha, addr); 39952a991c21SManish Rangankar if (!(val & 0x07)) { 3996e8fb00e0SManish Rangankar DEBUG2(ql4_printk(KERN_INFO, ha, "%s: Adapter boot " 3997e8fb00e0SManish Rangankar "options : 0x%x\n", __func__, val)); 39982a991c21SManish Rangankar ret = QLA_ERROR; 39992a991c21SManish Rangankar goto exit_boot_info; 40002a991c21SManish Rangankar } 40012a991c21SManish Rangankar 40022a991c21SManish Rangankar /* get primary valid target index */ 40032a991c21SManish Rangankar val = rd_nvram_byte(ha, pri_addr); 40042a991c21SManish Rangankar if (val & BIT_7) 40052a991c21SManish Rangankar ddb_index[0] = (val & 0x7f); 40062a991c21SManish Rangankar 40072a991c21SManish Rangankar /* get secondary valid target index */ 40082a991c21SManish Rangankar val = rd_nvram_byte(ha, sec_addr); 40092a991c21SManish Rangankar if (val & BIT_7) 40102a991c21SManish Rangankar ddb_index[1] = (val & 0x7f); 40112a991c21SManish Rangankar 40123e788fb1SVikas Chaudhary } else if (is_qla80XX(ha)) { 40132a991c21SManish Rangankar buf = dma_alloc_coherent(&ha->pdev->dev, size, 40142a991c21SManish Rangankar &buf_dma, GFP_KERNEL); 40152a991c21SManish Rangankar if (!buf) { 40162a991c21SManish Rangankar DEBUG2(ql4_printk(KERN_ERR, ha, 40172a991c21SManish Rangankar "%s: Unable to allocate dma buffer\n", 40182a991c21SManish Rangankar __func__)); 40192a991c21SManish Rangankar ret = QLA_ERROR; 40202a991c21SManish Rangankar goto exit_boot_info; 40212a991c21SManish Rangankar } 40222a991c21SManish Rangankar 40232a991c21SManish Rangankar if (ha->port_num == 0) 40242a991c21SManish Rangankar offset = BOOT_PARAM_OFFSET_PORT0; 40252a991c21SManish Rangankar else if (ha->port_num == 1) 40262a991c21SManish Rangankar offset = BOOT_PARAM_OFFSET_PORT1; 40272a991c21SManish Rangankar else { 40282a991c21SManish Rangankar ret = QLA_ERROR; 40292a991c21SManish Rangankar goto exit_boot_info_free; 40302a991c21SManish Rangankar } 40312a991c21SManish Rangankar addr = FLASH_RAW_ACCESS_ADDR + (ha->hw.flt_iscsi_param * 4) + 40322a991c21SManish Rangankar offset; 40332a991c21SManish Rangankar if (qla4xxx_get_flash(ha, buf_dma, addr, 40342a991c21SManish Rangankar 13 * sizeof(uint8_t)) != QLA_SUCCESS) { 40352a991c21SManish Rangankar DEBUG2(ql4_printk(KERN_ERR, ha, "scsi%ld: %s: Get Flash" 40362a991c21SManish Rangankar " failed\n", ha->host_no, __func__)); 40372a991c21SManish Rangankar ret = QLA_ERROR; 40382a991c21SManish Rangankar goto exit_boot_info_free; 40392a991c21SManish Rangankar } 40402a991c21SManish Rangankar /* Check Boot Mode */ 40412a991c21SManish Rangankar if (!(buf[1] & 0x07)) { 4042e8fb00e0SManish Rangankar DEBUG2(ql4_printk(KERN_INFO, ha, "Firmware boot options" 4043e8fb00e0SManish Rangankar " : 0x%x\n", buf[1])); 40442a991c21SManish Rangankar ret = QLA_ERROR; 40452a991c21SManish Rangankar goto exit_boot_info_free; 40462a991c21SManish Rangankar } 40472a991c21SManish Rangankar 40482a991c21SManish Rangankar /* get primary valid target index */ 40492a991c21SManish Rangankar if (buf[2] & BIT_7) 40502a991c21SManish Rangankar ddb_index[0] = buf[2] & 0x7f; 40512a991c21SManish Rangankar 40522a991c21SManish Rangankar /* get secondary valid target index */ 40532a991c21SManish Rangankar if (buf[11] & BIT_7) 40542a991c21SManish Rangankar ddb_index[1] = buf[11] & 0x7f; 40552a991c21SManish Rangankar } else { 40562a991c21SManish Rangankar ret = QLA_ERROR; 40572a991c21SManish Rangankar goto exit_boot_info; 40582a991c21SManish Rangankar } 40592a991c21SManish Rangankar 40602a991c21SManish Rangankar DEBUG2(ql4_printk(KERN_INFO, ha, "%s: Primary target ID %d, Secondary" 40612a991c21SManish Rangankar " target ID %d\n", __func__, ddb_index[0], 40622a991c21SManish Rangankar ddb_index[1])); 40632a991c21SManish Rangankar 40642a991c21SManish Rangankar exit_boot_info_free: 40652a991c21SManish Rangankar dma_free_coherent(&ha->pdev->dev, size, buf, buf_dma); 40662a991c21SManish Rangankar exit_boot_info: 406720e835b4SLalit Chandivade ha->pri_ddb_idx = ddb_index[0]; 406820e835b4SLalit Chandivade ha->sec_ddb_idx = ddb_index[1]; 40692a991c21SManish Rangankar return ret; 40702a991c21SManish Rangankar } 40712a991c21SManish Rangankar 407228deb45cSLalit Chandivade /** 407328deb45cSLalit Chandivade * qla4xxx_get_bidi_chap - Get a BIDI CHAP user and password 407428deb45cSLalit Chandivade * @ha: pointer to adapter structure 407528deb45cSLalit Chandivade * @username: CHAP username to be returned 407628deb45cSLalit Chandivade * @password: CHAP password to be returned 407728deb45cSLalit Chandivade * 407828deb45cSLalit Chandivade * If a boot entry has BIDI CHAP enabled then we need to set the BIDI CHAP 407928deb45cSLalit Chandivade * user and password in the sysfs entry in /sys/firmware/iscsi_boot#/. 408028deb45cSLalit Chandivade * So from the CHAP cache find the first BIDI CHAP entry and set it 408128deb45cSLalit Chandivade * to the boot record in sysfs. 408228deb45cSLalit Chandivade **/ 408328deb45cSLalit Chandivade static int qla4xxx_get_bidi_chap(struct scsi_qla_host *ha, char *username, 408428deb45cSLalit Chandivade char *password) 408528deb45cSLalit Chandivade { 408628deb45cSLalit Chandivade int i, ret = -EINVAL; 408728deb45cSLalit Chandivade int max_chap_entries = 0; 408828deb45cSLalit Chandivade struct ql4_chap_table *chap_table; 408928deb45cSLalit Chandivade 4090d11b0ca3SVikas Chaudhary if (is_qla80XX(ha)) 409128deb45cSLalit Chandivade max_chap_entries = (ha->hw.flt_chap_size / 2) / 409228deb45cSLalit Chandivade sizeof(struct ql4_chap_table); 409328deb45cSLalit Chandivade else 409428deb45cSLalit Chandivade max_chap_entries = MAX_CHAP_ENTRIES_40XX; 409528deb45cSLalit Chandivade 409628deb45cSLalit Chandivade if (!ha->chap_list) { 409728deb45cSLalit Chandivade ql4_printk(KERN_ERR, ha, "Do not have CHAP table cache\n"); 409828deb45cSLalit Chandivade return ret; 409928deb45cSLalit Chandivade } 410028deb45cSLalit Chandivade 410128deb45cSLalit Chandivade mutex_lock(&ha->chap_sem); 410228deb45cSLalit Chandivade for (i = 0; i < max_chap_entries; i++) { 410328deb45cSLalit Chandivade chap_table = (struct ql4_chap_table *)ha->chap_list + i; 410428deb45cSLalit Chandivade if (chap_table->cookie != 410528deb45cSLalit Chandivade __constant_cpu_to_le16(CHAP_VALID_COOKIE)) { 410628deb45cSLalit Chandivade continue; 410728deb45cSLalit Chandivade } 410828deb45cSLalit Chandivade 410928deb45cSLalit Chandivade if (chap_table->flags & BIT_7) /* local */ 411028deb45cSLalit Chandivade continue; 411128deb45cSLalit Chandivade 411228deb45cSLalit Chandivade if (!(chap_table->flags & BIT_6)) /* Not BIDI */ 411328deb45cSLalit Chandivade continue; 411428deb45cSLalit Chandivade 411528deb45cSLalit Chandivade strncpy(password, chap_table->secret, QL4_CHAP_MAX_SECRET_LEN); 411628deb45cSLalit Chandivade strncpy(username, chap_table->name, QL4_CHAP_MAX_NAME_LEN); 411728deb45cSLalit Chandivade ret = 0; 411828deb45cSLalit Chandivade break; 411928deb45cSLalit Chandivade } 412028deb45cSLalit Chandivade mutex_unlock(&ha->chap_sem); 412128deb45cSLalit Chandivade 412228deb45cSLalit Chandivade return ret; 412328deb45cSLalit Chandivade } 412428deb45cSLalit Chandivade 412528deb45cSLalit Chandivade 41262a991c21SManish Rangankar static int qla4xxx_get_boot_target(struct scsi_qla_host *ha, 41272a991c21SManish Rangankar struct ql4_boot_session_info *boot_sess, 41282a991c21SManish Rangankar uint16_t ddb_index) 41292a991c21SManish Rangankar { 41302a991c21SManish Rangankar struct ql4_conn_info *boot_conn = &boot_sess->conn_list[0]; 41312a991c21SManish Rangankar struct dev_db_entry *fw_ddb_entry; 41322a991c21SManish Rangankar dma_addr_t fw_ddb_entry_dma; 41332a991c21SManish Rangankar uint16_t idx; 41342a991c21SManish Rangankar uint16_t options; 41352a991c21SManish Rangankar int ret = QLA_SUCCESS; 41362a991c21SManish Rangankar 41372a991c21SManish Rangankar fw_ddb_entry = dma_alloc_coherent(&ha->pdev->dev, sizeof(*fw_ddb_entry), 41382a991c21SManish Rangankar &fw_ddb_entry_dma, GFP_KERNEL); 41392a991c21SManish Rangankar if (!fw_ddb_entry) { 41402a991c21SManish Rangankar DEBUG2(ql4_printk(KERN_ERR, ha, 41412a991c21SManish Rangankar "%s: Unable to allocate dma buffer.\n", 41422a991c21SManish Rangankar __func__)); 41432a991c21SManish Rangankar ret = QLA_ERROR; 41442a991c21SManish Rangankar return ret; 41452a991c21SManish Rangankar } 41462a991c21SManish Rangankar 41472a991c21SManish Rangankar if (qla4xxx_bootdb_by_index(ha, fw_ddb_entry, 41482a991c21SManish Rangankar fw_ddb_entry_dma, ddb_index)) { 4149e8fb00e0SManish Rangankar DEBUG2(ql4_printk(KERN_INFO, ha, "%s: No Flash DDB found at " 4150e8fb00e0SManish Rangankar "index [%d]\n", __func__, ddb_index)); 41512a991c21SManish Rangankar ret = QLA_ERROR; 41522a991c21SManish Rangankar goto exit_boot_target; 41532a991c21SManish Rangankar } 41542a991c21SManish Rangankar 41552a991c21SManish Rangankar /* Update target name and IP from DDB */ 41562a991c21SManish Rangankar memcpy(boot_sess->target_name, fw_ddb_entry->iscsi_name, 41572a991c21SManish Rangankar min(sizeof(boot_sess->target_name), 41582a991c21SManish Rangankar sizeof(fw_ddb_entry->iscsi_name))); 41592a991c21SManish Rangankar 41602a991c21SManish Rangankar options = le16_to_cpu(fw_ddb_entry->options); 41612a991c21SManish Rangankar if (options & DDB_OPT_IPV6_DEVICE) { 41622a991c21SManish Rangankar memcpy(&boot_conn->dest_ipaddr.ip_address, 41632a991c21SManish Rangankar &fw_ddb_entry->ip_addr[0], IPv6_ADDR_LEN); 41642a991c21SManish Rangankar } else { 41652a991c21SManish Rangankar boot_conn->dest_ipaddr.ip_type = 0x1; 41662a991c21SManish Rangankar memcpy(&boot_conn->dest_ipaddr.ip_address, 41672a991c21SManish Rangankar &fw_ddb_entry->ip_addr[0], IP_ADDR_LEN); 41682a991c21SManish Rangankar } 41692a991c21SManish Rangankar 41702a991c21SManish Rangankar boot_conn->dest_port = le16_to_cpu(fw_ddb_entry->port); 41712a991c21SManish Rangankar 41722a991c21SManish Rangankar /* update chap information */ 41732a991c21SManish Rangankar idx = __le16_to_cpu(fw_ddb_entry->chap_tbl_idx); 41742a991c21SManish Rangankar 41752a991c21SManish Rangankar if (BIT_7 & le16_to_cpu(fw_ddb_entry->iscsi_options)) { 41762a991c21SManish Rangankar 41772a991c21SManish Rangankar DEBUG2(ql4_printk(KERN_INFO, ha, "Setting chap\n")); 41782a991c21SManish Rangankar 41792a991c21SManish Rangankar ret = qla4xxx_get_chap(ha, (char *)&boot_conn->chap. 41802a991c21SManish Rangankar target_chap_name, 41812a991c21SManish Rangankar (char *)&boot_conn->chap.target_secret, 41822a991c21SManish Rangankar idx); 41832a991c21SManish Rangankar if (ret) { 41842a991c21SManish Rangankar ql4_printk(KERN_ERR, ha, "Failed to set chap\n"); 41852a991c21SManish Rangankar ret = QLA_ERROR; 41862a991c21SManish Rangankar goto exit_boot_target; 41872a991c21SManish Rangankar } 41882a991c21SManish Rangankar 41892a991c21SManish Rangankar boot_conn->chap.target_chap_name_length = QL4_CHAP_MAX_NAME_LEN; 41902a991c21SManish Rangankar boot_conn->chap.target_secret_length = QL4_CHAP_MAX_SECRET_LEN; 41912a991c21SManish Rangankar } 41922a991c21SManish Rangankar 41932a991c21SManish Rangankar if (BIT_4 & le16_to_cpu(fw_ddb_entry->iscsi_options)) { 41942a991c21SManish Rangankar 41952a991c21SManish Rangankar DEBUG2(ql4_printk(KERN_INFO, ha, "Setting BIDI chap\n")); 41962a991c21SManish Rangankar 419728deb45cSLalit Chandivade ret = qla4xxx_get_bidi_chap(ha, 419828deb45cSLalit Chandivade (char *)&boot_conn->chap.intr_chap_name, 419928deb45cSLalit Chandivade (char *)&boot_conn->chap.intr_secret); 420028deb45cSLalit Chandivade 42012a991c21SManish Rangankar if (ret) { 42022a991c21SManish Rangankar ql4_printk(KERN_ERR, ha, "Failed to set BIDI chap\n"); 42032a991c21SManish Rangankar ret = QLA_ERROR; 42042a991c21SManish Rangankar goto exit_boot_target; 42052a991c21SManish Rangankar } 42062a991c21SManish Rangankar 42072a991c21SManish Rangankar boot_conn->chap.intr_chap_name_length = QL4_CHAP_MAX_NAME_LEN; 42082a991c21SManish Rangankar boot_conn->chap.intr_secret_length = QL4_CHAP_MAX_SECRET_LEN; 42092a991c21SManish Rangankar } 42102a991c21SManish Rangankar 42112a991c21SManish Rangankar exit_boot_target: 42122a991c21SManish Rangankar dma_free_coherent(&ha->pdev->dev, sizeof(*fw_ddb_entry), 42132a991c21SManish Rangankar fw_ddb_entry, fw_ddb_entry_dma); 42142a991c21SManish Rangankar return ret; 42152a991c21SManish Rangankar } 42162a991c21SManish Rangankar 42172a991c21SManish Rangankar static int qla4xxx_get_boot_info(struct scsi_qla_host *ha) 42182a991c21SManish Rangankar { 42192a991c21SManish Rangankar uint16_t ddb_index[2]; 42208de5b958SLalit Chandivade int ret = QLA_ERROR; 42218de5b958SLalit Chandivade int rval; 42222a991c21SManish Rangankar 42232a991c21SManish Rangankar memset(ddb_index, 0, sizeof(ddb_index)); 42248de5b958SLalit Chandivade ddb_index[0] = 0xffff; 42258de5b958SLalit Chandivade ddb_index[1] = 0xffff; 42262a991c21SManish Rangankar ret = get_fw_boot_info(ha, ddb_index); 42272a991c21SManish Rangankar if (ret != QLA_SUCCESS) { 4228e8fb00e0SManish Rangankar DEBUG2(ql4_printk(KERN_INFO, ha, 4229e8fb00e0SManish Rangankar "%s: No boot target configured.\n", __func__)); 42302a991c21SManish Rangankar return ret; 42312a991c21SManish Rangankar } 42322a991c21SManish Rangankar 423313483730SMike Christie if (ql4xdisablesysfsboot) 423413483730SMike Christie return QLA_SUCCESS; 423513483730SMike Christie 42368de5b958SLalit Chandivade if (ddb_index[0] == 0xffff) 42378de5b958SLalit Chandivade goto sec_target; 42388de5b958SLalit Chandivade 42398de5b958SLalit Chandivade rval = qla4xxx_get_boot_target(ha, &(ha->boot_tgt.boot_pri_sess), 42402a991c21SManish Rangankar ddb_index[0]); 42418de5b958SLalit Chandivade if (rval != QLA_SUCCESS) { 4242e8fb00e0SManish Rangankar DEBUG2(ql4_printk(KERN_INFO, ha, "%s: Primary boot target not " 4243e8fb00e0SManish Rangankar "configured\n", __func__)); 42448de5b958SLalit Chandivade } else 42458de5b958SLalit Chandivade ret = QLA_SUCCESS; 42462a991c21SManish Rangankar 42478de5b958SLalit Chandivade sec_target: 42488de5b958SLalit Chandivade if (ddb_index[1] == 0xffff) 42498de5b958SLalit Chandivade goto exit_get_boot_info; 42508de5b958SLalit Chandivade 42518de5b958SLalit Chandivade rval = qla4xxx_get_boot_target(ha, &(ha->boot_tgt.boot_sec_sess), 42522a991c21SManish Rangankar ddb_index[1]); 42538de5b958SLalit Chandivade if (rval != QLA_SUCCESS) { 4254e8fb00e0SManish Rangankar DEBUG2(ql4_printk(KERN_INFO, ha, "%s: Secondary boot target not" 4255e8fb00e0SManish Rangankar " configured\n", __func__)); 42568de5b958SLalit Chandivade } else 42578de5b958SLalit Chandivade ret = QLA_SUCCESS; 42588de5b958SLalit Chandivade 42598de5b958SLalit Chandivade exit_get_boot_info: 42602a991c21SManish Rangankar return ret; 42612a991c21SManish Rangankar } 42622a991c21SManish Rangankar 42632a991c21SManish Rangankar static int qla4xxx_setup_boot_info(struct scsi_qla_host *ha) 42642a991c21SManish Rangankar { 42652a991c21SManish Rangankar struct iscsi_boot_kobj *boot_kobj; 42662a991c21SManish Rangankar 42672a991c21SManish Rangankar if (qla4xxx_get_boot_info(ha) != QLA_SUCCESS) 426813483730SMike Christie return QLA_ERROR; 426913483730SMike Christie 427013483730SMike Christie if (ql4xdisablesysfsboot) { 427113483730SMike Christie ql4_printk(KERN_INFO, ha, 427213483730SMike Christie "%s: syfsboot disabled - driver will trigger login " 427313483730SMike Christie "and publish session for discovery .\n", __func__); 427413483730SMike Christie return QLA_SUCCESS; 427513483730SMike Christie } 427613483730SMike Christie 42772a991c21SManish Rangankar 42782a991c21SManish Rangankar ha->boot_kset = iscsi_boot_create_host_kset(ha->host->host_no); 42792a991c21SManish Rangankar if (!ha->boot_kset) 42802a991c21SManish Rangankar goto kset_free; 42812a991c21SManish Rangankar 42822a991c21SManish Rangankar if (!scsi_host_get(ha->host)) 42832a991c21SManish Rangankar goto kset_free; 42842a991c21SManish Rangankar boot_kobj = iscsi_boot_create_target(ha->boot_kset, 0, ha, 42852a991c21SManish Rangankar qla4xxx_show_boot_tgt_pri_info, 42862a991c21SManish Rangankar qla4xxx_tgt_get_attr_visibility, 42872a991c21SManish Rangankar qla4xxx_boot_release); 42882a991c21SManish Rangankar if (!boot_kobj) 42892a991c21SManish Rangankar goto put_host; 42902a991c21SManish Rangankar 42912a991c21SManish Rangankar if (!scsi_host_get(ha->host)) 42922a991c21SManish Rangankar goto kset_free; 42932a991c21SManish Rangankar boot_kobj = iscsi_boot_create_target(ha->boot_kset, 1, ha, 42942a991c21SManish Rangankar qla4xxx_show_boot_tgt_sec_info, 42952a991c21SManish Rangankar qla4xxx_tgt_get_attr_visibility, 42962a991c21SManish Rangankar qla4xxx_boot_release); 42972a991c21SManish Rangankar if (!boot_kobj) 42982a991c21SManish Rangankar goto put_host; 42992a991c21SManish Rangankar 43002a991c21SManish Rangankar if (!scsi_host_get(ha->host)) 43012a991c21SManish Rangankar goto kset_free; 43022a991c21SManish Rangankar boot_kobj = iscsi_boot_create_initiator(ha->boot_kset, 0, ha, 43032a991c21SManish Rangankar qla4xxx_show_boot_ini_info, 43042a991c21SManish Rangankar qla4xxx_ini_get_attr_visibility, 43052a991c21SManish Rangankar qla4xxx_boot_release); 43062a991c21SManish Rangankar if (!boot_kobj) 43072a991c21SManish Rangankar goto put_host; 43082a991c21SManish Rangankar 43092a991c21SManish Rangankar if (!scsi_host_get(ha->host)) 43102a991c21SManish Rangankar goto kset_free; 43112a991c21SManish Rangankar boot_kobj = iscsi_boot_create_ethernet(ha->boot_kset, 0, ha, 43122a991c21SManish Rangankar qla4xxx_show_boot_eth_info, 43132a991c21SManish Rangankar qla4xxx_eth_get_attr_visibility, 43142a991c21SManish Rangankar qla4xxx_boot_release); 43152a991c21SManish Rangankar if (!boot_kobj) 43162a991c21SManish Rangankar goto put_host; 43172a991c21SManish Rangankar 431813483730SMike Christie return QLA_SUCCESS; 43192a991c21SManish Rangankar 43202a991c21SManish Rangankar put_host: 43212a991c21SManish Rangankar scsi_host_put(ha->host); 43222a991c21SManish Rangankar kset_free: 43232a991c21SManish Rangankar iscsi_boot_destroy_kset(ha->boot_kset); 43242a991c21SManish Rangankar return -ENOMEM; 43252a991c21SManish Rangankar } 43262a991c21SManish Rangankar 43274549415aSLalit Chandivade 43284549415aSLalit Chandivade /** 43294549415aSLalit Chandivade * qla4xxx_create chap_list - Create CHAP list from FLASH 43304549415aSLalit Chandivade * @ha: pointer to adapter structure 43314549415aSLalit Chandivade * 43324549415aSLalit Chandivade * Read flash and make a list of CHAP entries, during login when a CHAP entry 43334549415aSLalit Chandivade * is received, it will be checked in this list. If entry exist then the CHAP 43344549415aSLalit Chandivade * entry index is set in the DDB. If CHAP entry does not exist in this list 43354549415aSLalit Chandivade * then a new entry is added in FLASH in CHAP table and the index obtained is 43364549415aSLalit Chandivade * used in the DDB. 43374549415aSLalit Chandivade **/ 43384549415aSLalit Chandivade static void qla4xxx_create_chap_list(struct scsi_qla_host *ha) 43394549415aSLalit Chandivade { 43404549415aSLalit Chandivade int rval = 0; 43414549415aSLalit Chandivade uint8_t *chap_flash_data = NULL; 43424549415aSLalit Chandivade uint32_t offset; 43434549415aSLalit Chandivade dma_addr_t chap_dma; 43444549415aSLalit Chandivade uint32_t chap_size = 0; 43454549415aSLalit Chandivade 43464549415aSLalit Chandivade if (is_qla40XX(ha)) 43474549415aSLalit Chandivade chap_size = MAX_CHAP_ENTRIES_40XX * 43484549415aSLalit Chandivade sizeof(struct ql4_chap_table); 43494549415aSLalit Chandivade else /* Single region contains CHAP info for both 43504549415aSLalit Chandivade * ports which is divided into half for each port. 43514549415aSLalit Chandivade */ 43524549415aSLalit Chandivade chap_size = ha->hw.flt_chap_size / 2; 43534549415aSLalit Chandivade 43544549415aSLalit Chandivade chap_flash_data = dma_alloc_coherent(&ha->pdev->dev, chap_size, 43554549415aSLalit Chandivade &chap_dma, GFP_KERNEL); 43564549415aSLalit Chandivade if (!chap_flash_data) { 43574549415aSLalit Chandivade ql4_printk(KERN_ERR, ha, "No memory for chap_flash_data\n"); 43584549415aSLalit Chandivade return; 43594549415aSLalit Chandivade } 43604549415aSLalit Chandivade if (is_qla40XX(ha)) 43614549415aSLalit Chandivade offset = FLASH_CHAP_OFFSET; 43624549415aSLalit Chandivade else { 43634549415aSLalit Chandivade offset = FLASH_RAW_ACCESS_ADDR + (ha->hw.flt_region_chap << 2); 43644549415aSLalit Chandivade if (ha->port_num == 1) 43654549415aSLalit Chandivade offset += chap_size; 43664549415aSLalit Chandivade } 43674549415aSLalit Chandivade 43684549415aSLalit Chandivade rval = qla4xxx_get_flash(ha, chap_dma, offset, chap_size); 43694549415aSLalit Chandivade if (rval != QLA_SUCCESS) 43704549415aSLalit Chandivade goto exit_chap_list; 43714549415aSLalit Chandivade 43724549415aSLalit Chandivade if (ha->chap_list == NULL) 43734549415aSLalit Chandivade ha->chap_list = vmalloc(chap_size); 43744549415aSLalit Chandivade if (ha->chap_list == NULL) { 43754549415aSLalit Chandivade ql4_printk(KERN_ERR, ha, "No memory for ha->chap_list\n"); 43764549415aSLalit Chandivade goto exit_chap_list; 43774549415aSLalit Chandivade } 43784549415aSLalit Chandivade 43794549415aSLalit Chandivade memcpy(ha->chap_list, chap_flash_data, chap_size); 43804549415aSLalit Chandivade 43814549415aSLalit Chandivade exit_chap_list: 43824549415aSLalit Chandivade dma_free_coherent(&ha->pdev->dev, chap_size, 43834549415aSLalit Chandivade chap_flash_data, chap_dma); 438413483730SMike Christie } 438513483730SMike Christie 438613483730SMike Christie static void qla4xxx_get_param_ddb(struct ddb_entry *ddb_entry, 438713483730SMike Christie struct ql4_tuple_ddb *tddb) 438813483730SMike Christie { 438913483730SMike Christie struct scsi_qla_host *ha; 439013483730SMike Christie struct iscsi_cls_session *cls_sess; 439113483730SMike Christie struct iscsi_cls_conn *cls_conn; 439213483730SMike Christie struct iscsi_session *sess; 439313483730SMike Christie struct iscsi_conn *conn; 439413483730SMike Christie 439513483730SMike Christie DEBUG2(printk(KERN_INFO "Func: %s\n", __func__)); 439613483730SMike Christie ha = ddb_entry->ha; 439713483730SMike Christie cls_sess = ddb_entry->sess; 439813483730SMike Christie sess = cls_sess->dd_data; 439913483730SMike Christie cls_conn = ddb_entry->conn; 440013483730SMike Christie conn = cls_conn->dd_data; 440113483730SMike Christie 440213483730SMike Christie tddb->tpgt = sess->tpgt; 440313483730SMike Christie tddb->port = conn->persistent_port; 440413483730SMike Christie strncpy(tddb->iscsi_name, sess->targetname, ISCSI_NAME_SIZE); 440513483730SMike Christie strncpy(tddb->ip_addr, conn->persistent_address, DDB_IPADDR_LEN); 440613483730SMike Christie } 440713483730SMike Christie 440813483730SMike Christie static void qla4xxx_convert_param_ddb(struct dev_db_entry *fw_ddb_entry, 44091cb78d73SVikas Chaudhary struct ql4_tuple_ddb *tddb, 44101cb78d73SVikas Chaudhary uint8_t *flash_isid) 441113483730SMike Christie { 441213483730SMike Christie uint16_t options = 0; 441313483730SMike Christie 441413483730SMike Christie tddb->tpgt = le32_to_cpu(fw_ddb_entry->tgt_portal_grp); 441513483730SMike Christie memcpy(&tddb->iscsi_name[0], &fw_ddb_entry->iscsi_name[0], 441613483730SMike Christie min(sizeof(tddb->iscsi_name), sizeof(fw_ddb_entry->iscsi_name))); 441713483730SMike Christie 441813483730SMike Christie options = le16_to_cpu(fw_ddb_entry->options); 441913483730SMike Christie if (options & DDB_OPT_IPV6_DEVICE) 442013483730SMike Christie sprintf(tddb->ip_addr, "%pI6", fw_ddb_entry->ip_addr); 442113483730SMike Christie else 442213483730SMike Christie sprintf(tddb->ip_addr, "%pI4", fw_ddb_entry->ip_addr); 442313483730SMike Christie 442413483730SMike Christie tddb->port = le16_to_cpu(fw_ddb_entry->port); 44251cb78d73SVikas Chaudhary 44261cb78d73SVikas Chaudhary if (flash_isid == NULL) 44271cb78d73SVikas Chaudhary memcpy(&tddb->isid[0], &fw_ddb_entry->isid[0], 44281cb78d73SVikas Chaudhary sizeof(tddb->isid)); 44291cb78d73SVikas Chaudhary else 44301cb78d73SVikas Chaudhary memcpy(&tddb->isid[0], &flash_isid[0], sizeof(tddb->isid)); 443113483730SMike Christie } 443213483730SMike Christie 443313483730SMike Christie static int qla4xxx_compare_tuple_ddb(struct scsi_qla_host *ha, 443413483730SMike Christie struct ql4_tuple_ddb *old_tddb, 4435173269efSManish Rangankar struct ql4_tuple_ddb *new_tddb, 4436173269efSManish Rangankar uint8_t is_isid_compare) 443713483730SMike Christie { 443813483730SMike Christie if (strcmp(old_tddb->iscsi_name, new_tddb->iscsi_name)) 443913483730SMike Christie return QLA_ERROR; 444013483730SMike Christie 444113483730SMike Christie if (strcmp(old_tddb->ip_addr, new_tddb->ip_addr)) 444213483730SMike Christie return QLA_ERROR; 444313483730SMike Christie 444413483730SMike Christie if (old_tddb->port != new_tddb->port) 444513483730SMike Christie return QLA_ERROR; 444613483730SMike Christie 4447173269efSManish Rangankar /* For multi sessions, driver generates the ISID, so do not compare 444859e13d48SMasanari Iida * ISID in reset path since it would be a comparison between the 4449173269efSManish Rangankar * driver generated ISID and firmware generated ISID. This could 4450173269efSManish Rangankar * lead to adding duplicated DDBs in the list as driver generated 4451173269efSManish Rangankar * ISID would not match firmware generated ISID. 4452173269efSManish Rangankar */ 4453173269efSManish Rangankar if (is_isid_compare) { 4454173269efSManish Rangankar DEBUG2(ql4_printk(KERN_INFO, ha, "%s: old ISID [%02x%02x%02x" 4455173269efSManish Rangankar "%02x%02x%02x] New ISID [%02x%02x%02x%02x%02x%02x]\n", 4456173269efSManish Rangankar __func__, old_tddb->isid[5], old_tddb->isid[4], 4457173269efSManish Rangankar old_tddb->isid[3], old_tddb->isid[2], old_tddb->isid[1], 4458173269efSManish Rangankar old_tddb->isid[0], new_tddb->isid[5], new_tddb->isid[4], 4459173269efSManish Rangankar new_tddb->isid[3], new_tddb->isid[2], new_tddb->isid[1], 4460173269efSManish Rangankar new_tddb->isid[0])); 4461173269efSManish Rangankar 4462173269efSManish Rangankar if (memcmp(&old_tddb->isid[0], &new_tddb->isid[0], 4463173269efSManish Rangankar sizeof(old_tddb->isid))) 4464173269efSManish Rangankar return QLA_ERROR; 4465173269efSManish Rangankar } 4466173269efSManish Rangankar 446713483730SMike Christie DEBUG2(ql4_printk(KERN_INFO, ha, 446813483730SMike Christie "Match Found, fw[%d,%d,%s,%s], [%d,%d,%s,%s]", 446913483730SMike Christie old_tddb->port, old_tddb->tpgt, old_tddb->ip_addr, 447013483730SMike Christie old_tddb->iscsi_name, new_tddb->port, new_tddb->tpgt, 447113483730SMike Christie new_tddb->ip_addr, new_tddb->iscsi_name)); 447213483730SMike Christie 447313483730SMike Christie return QLA_SUCCESS; 447413483730SMike Christie } 447513483730SMike Christie 447613483730SMike Christie static int qla4xxx_is_session_exists(struct scsi_qla_host *ha, 447713483730SMike Christie struct dev_db_entry *fw_ddb_entry) 447813483730SMike Christie { 447913483730SMike Christie struct ddb_entry *ddb_entry; 448013483730SMike Christie struct ql4_tuple_ddb *fw_tddb = NULL; 448113483730SMike Christie struct ql4_tuple_ddb *tmp_tddb = NULL; 448213483730SMike Christie int idx; 448313483730SMike Christie int ret = QLA_ERROR; 448413483730SMike Christie 448513483730SMike Christie fw_tddb = vzalloc(sizeof(*fw_tddb)); 448613483730SMike Christie if (!fw_tddb) { 448713483730SMike Christie DEBUG2(ql4_printk(KERN_WARNING, ha, 448813483730SMike Christie "Memory Allocation failed.\n")); 448913483730SMike Christie ret = QLA_SUCCESS; 449013483730SMike Christie goto exit_check; 449113483730SMike Christie } 449213483730SMike Christie 449313483730SMike Christie tmp_tddb = vzalloc(sizeof(*tmp_tddb)); 449413483730SMike Christie if (!tmp_tddb) { 449513483730SMike Christie DEBUG2(ql4_printk(KERN_WARNING, ha, 449613483730SMike Christie "Memory Allocation failed.\n")); 449713483730SMike Christie ret = QLA_SUCCESS; 449813483730SMike Christie goto exit_check; 449913483730SMike Christie } 450013483730SMike Christie 45011cb78d73SVikas Chaudhary qla4xxx_convert_param_ddb(fw_ddb_entry, fw_tddb, NULL); 450213483730SMike Christie 450313483730SMike Christie for (idx = 0; idx < MAX_DDB_ENTRIES; idx++) { 450413483730SMike Christie ddb_entry = qla4xxx_lookup_ddb_by_fw_index(ha, idx); 450513483730SMike Christie if (ddb_entry == NULL) 450613483730SMike Christie continue; 450713483730SMike Christie 450813483730SMike Christie qla4xxx_get_param_ddb(ddb_entry, tmp_tddb); 4509173269efSManish Rangankar if (!qla4xxx_compare_tuple_ddb(ha, fw_tddb, tmp_tddb, false)) { 451013483730SMike Christie ret = QLA_SUCCESS; /* found */ 451113483730SMike Christie goto exit_check; 451213483730SMike Christie } 451313483730SMike Christie } 451413483730SMike Christie 451513483730SMike Christie exit_check: 451613483730SMike Christie if (fw_tddb) 451713483730SMike Christie vfree(fw_tddb); 451813483730SMike Christie if (tmp_tddb) 451913483730SMike Christie vfree(tmp_tddb); 452013483730SMike Christie return ret; 452113483730SMike Christie } 452213483730SMike Christie 45231cb78d73SVikas Chaudhary /** 45241cb78d73SVikas Chaudhary * qla4xxx_check_existing_isid - check if target with same isid exist 45251cb78d73SVikas Chaudhary * in target list 45261cb78d73SVikas Chaudhary * @list_nt: list of target 45271cb78d73SVikas Chaudhary * @isid: isid to check 45281cb78d73SVikas Chaudhary * 45291cb78d73SVikas Chaudhary * This routine return QLA_SUCCESS if target with same isid exist 45301cb78d73SVikas Chaudhary **/ 45311cb78d73SVikas Chaudhary static int qla4xxx_check_existing_isid(struct list_head *list_nt, uint8_t *isid) 45321cb78d73SVikas Chaudhary { 45331cb78d73SVikas Chaudhary struct qla_ddb_index *nt_ddb_idx, *nt_ddb_idx_tmp; 45341cb78d73SVikas Chaudhary struct dev_db_entry *fw_ddb_entry; 45351cb78d73SVikas Chaudhary 45361cb78d73SVikas Chaudhary list_for_each_entry_safe(nt_ddb_idx, nt_ddb_idx_tmp, list_nt, list) { 45371cb78d73SVikas Chaudhary fw_ddb_entry = &nt_ddb_idx->fw_ddb; 45381cb78d73SVikas Chaudhary 45391cb78d73SVikas Chaudhary if (memcmp(&fw_ddb_entry->isid[0], &isid[0], 45401cb78d73SVikas Chaudhary sizeof(nt_ddb_idx->fw_ddb.isid)) == 0) { 45411cb78d73SVikas Chaudhary return QLA_SUCCESS; 45421cb78d73SVikas Chaudhary } 45431cb78d73SVikas Chaudhary } 45441cb78d73SVikas Chaudhary return QLA_ERROR; 45451cb78d73SVikas Chaudhary } 45461cb78d73SVikas Chaudhary 45471cb78d73SVikas Chaudhary /** 45481cb78d73SVikas Chaudhary * qla4xxx_update_isid - compare ddbs and updated isid 45491cb78d73SVikas Chaudhary * @ha: Pointer to host adapter structure. 45501cb78d73SVikas Chaudhary * @list_nt: list of nt target 45511cb78d73SVikas Chaudhary * @fw_ddb_entry: firmware ddb entry 45521cb78d73SVikas Chaudhary * 45531cb78d73SVikas Chaudhary * This routine update isid if ddbs have same iqn, same isid and 45541cb78d73SVikas Chaudhary * different IP addr. 45551cb78d73SVikas Chaudhary * Return QLA_SUCCESS if isid is updated. 45561cb78d73SVikas Chaudhary **/ 45571cb78d73SVikas Chaudhary static int qla4xxx_update_isid(struct scsi_qla_host *ha, 45581cb78d73SVikas Chaudhary struct list_head *list_nt, 45591cb78d73SVikas Chaudhary struct dev_db_entry *fw_ddb_entry) 45601cb78d73SVikas Chaudhary { 45611cb78d73SVikas Chaudhary uint8_t base_value, i; 45621cb78d73SVikas Chaudhary 45631cb78d73SVikas Chaudhary base_value = fw_ddb_entry->isid[1] & 0x1f; 45641cb78d73SVikas Chaudhary for (i = 0; i < 8; i++) { 45651cb78d73SVikas Chaudhary fw_ddb_entry->isid[1] = (base_value | (i << 5)); 45661cb78d73SVikas Chaudhary if (qla4xxx_check_existing_isid(list_nt, fw_ddb_entry->isid)) 45671cb78d73SVikas Chaudhary break; 45681cb78d73SVikas Chaudhary } 45691cb78d73SVikas Chaudhary 45701cb78d73SVikas Chaudhary if (!qla4xxx_check_existing_isid(list_nt, fw_ddb_entry->isid)) 45711cb78d73SVikas Chaudhary return QLA_ERROR; 45721cb78d73SVikas Chaudhary 45731cb78d73SVikas Chaudhary return QLA_SUCCESS; 45741cb78d73SVikas Chaudhary } 45751cb78d73SVikas Chaudhary 45761cb78d73SVikas Chaudhary /** 45771cb78d73SVikas Chaudhary * qla4xxx_should_update_isid - check if isid need to update 45781cb78d73SVikas Chaudhary * @ha: Pointer to host adapter structure. 45791cb78d73SVikas Chaudhary * @old_tddb: ddb tuple 45801cb78d73SVikas Chaudhary * @new_tddb: ddb tuple 45811cb78d73SVikas Chaudhary * 45821cb78d73SVikas Chaudhary * Return QLA_SUCCESS if different IP, different PORT, same iqn, 45831cb78d73SVikas Chaudhary * same isid 45841cb78d73SVikas Chaudhary **/ 45851cb78d73SVikas Chaudhary static int qla4xxx_should_update_isid(struct scsi_qla_host *ha, 45861cb78d73SVikas Chaudhary struct ql4_tuple_ddb *old_tddb, 45871cb78d73SVikas Chaudhary struct ql4_tuple_ddb *new_tddb) 45881cb78d73SVikas Chaudhary { 45891cb78d73SVikas Chaudhary if (strcmp(old_tddb->ip_addr, new_tddb->ip_addr) == 0) { 45901cb78d73SVikas Chaudhary /* Same ip */ 45911cb78d73SVikas Chaudhary if (old_tddb->port == new_tddb->port) 45921cb78d73SVikas Chaudhary return QLA_ERROR; 45931cb78d73SVikas Chaudhary } 45941cb78d73SVikas Chaudhary 45951cb78d73SVikas Chaudhary if (strcmp(old_tddb->iscsi_name, new_tddb->iscsi_name)) 45961cb78d73SVikas Chaudhary /* different iqn */ 45971cb78d73SVikas Chaudhary return QLA_ERROR; 45981cb78d73SVikas Chaudhary 45991cb78d73SVikas Chaudhary if (memcmp(&old_tddb->isid[0], &new_tddb->isid[0], 46001cb78d73SVikas Chaudhary sizeof(old_tddb->isid))) 46011cb78d73SVikas Chaudhary /* different isid */ 46021cb78d73SVikas Chaudhary return QLA_ERROR; 46031cb78d73SVikas Chaudhary 46041cb78d73SVikas Chaudhary return QLA_SUCCESS; 46051cb78d73SVikas Chaudhary } 46061cb78d73SVikas Chaudhary 46071cb78d73SVikas Chaudhary /** 46081cb78d73SVikas Chaudhary * qla4xxx_is_flash_ddb_exists - check if fw_ddb_entry already exists in list_nt 46091cb78d73SVikas Chaudhary * @ha: Pointer to host adapter structure. 46101cb78d73SVikas Chaudhary * @list_nt: list of nt target. 46111cb78d73SVikas Chaudhary * @fw_ddb_entry: firmware ddb entry. 46121cb78d73SVikas Chaudhary * 46131cb78d73SVikas Chaudhary * This routine check if fw_ddb_entry already exists in list_nt to avoid 46141cb78d73SVikas Chaudhary * duplicate ddb in list_nt. 46151cb78d73SVikas Chaudhary * Return QLA_SUCCESS if duplicate ddb exit in list_nl. 46161cb78d73SVikas Chaudhary * Note: This function also update isid of DDB if required. 46171cb78d73SVikas Chaudhary **/ 46181cb78d73SVikas Chaudhary 461913483730SMike Christie static int qla4xxx_is_flash_ddb_exists(struct scsi_qla_host *ha, 462013483730SMike Christie struct list_head *list_nt, 462113483730SMike Christie struct dev_db_entry *fw_ddb_entry) 462213483730SMike Christie { 462313483730SMike Christie struct qla_ddb_index *nt_ddb_idx, *nt_ddb_idx_tmp; 462413483730SMike Christie struct ql4_tuple_ddb *fw_tddb = NULL; 462513483730SMike Christie struct ql4_tuple_ddb *tmp_tddb = NULL; 46261cb78d73SVikas Chaudhary int rval, ret = QLA_ERROR; 462713483730SMike Christie 462813483730SMike Christie fw_tddb = vzalloc(sizeof(*fw_tddb)); 462913483730SMike Christie if (!fw_tddb) { 463013483730SMike Christie DEBUG2(ql4_printk(KERN_WARNING, ha, 463113483730SMike Christie "Memory Allocation failed.\n")); 463213483730SMike Christie ret = QLA_SUCCESS; 463313483730SMike Christie goto exit_check; 463413483730SMike Christie } 463513483730SMike Christie 463613483730SMike Christie tmp_tddb = vzalloc(sizeof(*tmp_tddb)); 463713483730SMike Christie if (!tmp_tddb) { 463813483730SMike Christie DEBUG2(ql4_printk(KERN_WARNING, ha, 463913483730SMike Christie "Memory Allocation failed.\n")); 464013483730SMike Christie ret = QLA_SUCCESS; 464113483730SMike Christie goto exit_check; 464213483730SMike Christie } 464313483730SMike Christie 46441cb78d73SVikas Chaudhary qla4xxx_convert_param_ddb(fw_ddb_entry, fw_tddb, NULL); 464513483730SMike Christie 464613483730SMike Christie list_for_each_entry_safe(nt_ddb_idx, nt_ddb_idx_tmp, list_nt, list) { 46471cb78d73SVikas Chaudhary qla4xxx_convert_param_ddb(&nt_ddb_idx->fw_ddb, tmp_tddb, 46481cb78d73SVikas Chaudhary nt_ddb_idx->flash_isid); 46491cb78d73SVikas Chaudhary ret = qla4xxx_compare_tuple_ddb(ha, fw_tddb, tmp_tddb, true); 46501cb78d73SVikas Chaudhary /* found duplicate ddb */ 46511cb78d73SVikas Chaudhary if (ret == QLA_SUCCESS) 46521cb78d73SVikas Chaudhary goto exit_check; 46531cb78d73SVikas Chaudhary } 46541cb78d73SVikas Chaudhary 46551cb78d73SVikas Chaudhary list_for_each_entry_safe(nt_ddb_idx, nt_ddb_idx_tmp, list_nt, list) { 46561cb78d73SVikas Chaudhary qla4xxx_convert_param_ddb(&nt_ddb_idx->fw_ddb, tmp_tddb, NULL); 46571cb78d73SVikas Chaudhary 46581cb78d73SVikas Chaudhary ret = qla4xxx_should_update_isid(ha, tmp_tddb, fw_tddb); 46591cb78d73SVikas Chaudhary if (ret == QLA_SUCCESS) { 46601cb78d73SVikas Chaudhary rval = qla4xxx_update_isid(ha, list_nt, fw_ddb_entry); 46611cb78d73SVikas Chaudhary if (rval == QLA_SUCCESS) 46621cb78d73SVikas Chaudhary ret = QLA_ERROR; 46631cb78d73SVikas Chaudhary else 46641cb78d73SVikas Chaudhary ret = QLA_SUCCESS; 46651cb78d73SVikas Chaudhary 466613483730SMike Christie goto exit_check; 466713483730SMike Christie } 466813483730SMike Christie } 466913483730SMike Christie 467013483730SMike Christie exit_check: 467113483730SMike Christie if (fw_tddb) 467213483730SMike Christie vfree(fw_tddb); 467313483730SMike Christie if (tmp_tddb) 467413483730SMike Christie vfree(tmp_tddb); 467513483730SMike Christie return ret; 467613483730SMike Christie } 467713483730SMike Christie 46784a4bc2e9SLalit Chandivade static void qla4xxx_free_ddb_list(struct list_head *list_ddb) 467913483730SMike Christie { 46804a4bc2e9SLalit Chandivade struct qla_ddb_index *ddb_idx, *ddb_idx_tmp; 468113483730SMike Christie 46824a4bc2e9SLalit Chandivade list_for_each_entry_safe(ddb_idx, ddb_idx_tmp, list_ddb, list) { 46834a4bc2e9SLalit Chandivade list_del_init(&ddb_idx->list); 46844a4bc2e9SLalit Chandivade vfree(ddb_idx); 468513483730SMike Christie } 468613483730SMike Christie } 468713483730SMike Christie 468813483730SMike Christie static struct iscsi_endpoint *qla4xxx_get_ep_fwdb(struct scsi_qla_host *ha, 468913483730SMike Christie struct dev_db_entry *fw_ddb_entry) 469013483730SMike Christie { 469113483730SMike Christie struct iscsi_endpoint *ep; 469213483730SMike Christie struct sockaddr_in *addr; 469313483730SMike Christie struct sockaddr_in6 *addr6; 46943dd4849cSManish Rangankar struct sockaddr *t_addr; 46953dd4849cSManish Rangankar struct sockaddr_storage *dst_addr; 469613483730SMike Christie char *ip; 469713483730SMike Christie 469813483730SMike Christie /* TODO: need to destroy on unload iscsi_endpoint*/ 469913483730SMike Christie dst_addr = vmalloc(sizeof(*dst_addr)); 470013483730SMike Christie if (!dst_addr) 470113483730SMike Christie return NULL; 470213483730SMike Christie 470313483730SMike Christie if (fw_ddb_entry->options & DDB_OPT_IPV6_DEVICE) { 47043dd4849cSManish Rangankar t_addr = (struct sockaddr *)dst_addr; 47053dd4849cSManish Rangankar t_addr->sa_family = AF_INET6; 470613483730SMike Christie addr6 = (struct sockaddr_in6 *)dst_addr; 470713483730SMike Christie ip = (char *)&addr6->sin6_addr; 470813483730SMike Christie memcpy(ip, fw_ddb_entry->ip_addr, IPv6_ADDR_LEN); 470913483730SMike Christie addr6->sin6_port = htons(le16_to_cpu(fw_ddb_entry->port)); 471013483730SMike Christie 471113483730SMike Christie } else { 47123dd4849cSManish Rangankar t_addr = (struct sockaddr *)dst_addr; 47133dd4849cSManish Rangankar t_addr->sa_family = AF_INET; 471413483730SMike Christie addr = (struct sockaddr_in *)dst_addr; 471513483730SMike Christie ip = (char *)&addr->sin_addr; 471613483730SMike Christie memcpy(ip, fw_ddb_entry->ip_addr, IP_ADDR_LEN); 471713483730SMike Christie addr->sin_port = htons(le16_to_cpu(fw_ddb_entry->port)); 471813483730SMike Christie } 471913483730SMike Christie 47203dd4849cSManish Rangankar ep = qla4xxx_ep_connect(ha->host, (struct sockaddr *)dst_addr, 0); 472113483730SMike Christie vfree(dst_addr); 472213483730SMike Christie return ep; 472313483730SMike Christie } 472413483730SMike Christie 472513483730SMike Christie static int qla4xxx_verify_boot_idx(struct scsi_qla_host *ha, uint16_t idx) 472613483730SMike Christie { 472713483730SMike Christie if (ql4xdisablesysfsboot) 472813483730SMike Christie return QLA_SUCCESS; 472913483730SMike Christie if (idx == ha->pri_ddb_idx || idx == ha->sec_ddb_idx) 473013483730SMike Christie return QLA_ERROR; 473113483730SMike Christie return QLA_SUCCESS; 473213483730SMike Christie } 473313483730SMike Christie 473413483730SMike Christie static void qla4xxx_setup_flash_ddb_entry(struct scsi_qla_host *ha, 47351dc8ed5dSManish Rangankar struct ddb_entry *ddb_entry, 47361dc8ed5dSManish Rangankar uint16_t idx) 473713483730SMike Christie { 4738c28eaacaSNilesh Javali uint16_t def_timeout; 4739c28eaacaSNilesh Javali 474013483730SMike Christie ddb_entry->ddb_type = FLASH_DDB; 474113483730SMike Christie ddb_entry->fw_ddb_index = INVALID_ENTRY; 474213483730SMike Christie ddb_entry->fw_ddb_device_state = DDB_DS_NO_CONNECTION_ACTIVE; 474313483730SMike Christie ddb_entry->ha = ha; 474413483730SMike Christie ddb_entry->unblock_sess = qla4xxx_unblock_flash_ddb; 474513483730SMike Christie ddb_entry->ddb_change = qla4xxx_flash_ddb_change; 474613483730SMike Christie 474713483730SMike Christie atomic_set(&ddb_entry->retry_relogin_timer, INVALID_ENTRY); 474813483730SMike Christie atomic_set(&ddb_entry->relogin_timer, 0); 474913483730SMike Christie atomic_set(&ddb_entry->relogin_retry_count, 0); 4750c28eaacaSNilesh Javali def_timeout = le16_to_cpu(ddb_entry->fw_ddb_entry.def_timeout); 475113483730SMike Christie ddb_entry->default_relogin_timeout = 4752c28eaacaSNilesh Javali (def_timeout > LOGIN_TOV) && (def_timeout < LOGIN_TOV * 10) ? 4753c28eaacaSNilesh Javali def_timeout : LOGIN_TOV; 475413483730SMike Christie ddb_entry->default_time2wait = 475513483730SMike Christie le16_to_cpu(ddb_entry->fw_ddb_entry.iscsi_def_time2wait); 47561dc8ed5dSManish Rangankar 47571dc8ed5dSManish Rangankar if (ql4xdisablesysfsboot && 47581dc8ed5dSManish Rangankar (idx == ha->pri_ddb_idx || idx == ha->sec_ddb_idx)) 47591dc8ed5dSManish Rangankar set_bit(DF_BOOT_TGT, &ddb_entry->flags); 476013483730SMike Christie } 476113483730SMike Christie 476213483730SMike Christie static void qla4xxx_wait_for_ip_configuration(struct scsi_qla_host *ha) 476313483730SMike Christie { 476413483730SMike Christie uint32_t idx = 0; 476513483730SMike Christie uint32_t ip_idx[IP_ADDR_COUNT] = {0, 1, 2, 3}; /* 4 IP interfaces */ 476613483730SMike Christie uint32_t sts[MBOX_REG_COUNT]; 476713483730SMike Christie uint32_t ip_state; 476813483730SMike Christie unsigned long wtime; 476913483730SMike Christie int ret; 477013483730SMike Christie 477113483730SMike Christie wtime = jiffies + (HZ * IP_CONFIG_TOV); 477213483730SMike Christie do { 477313483730SMike Christie for (idx = 0; idx < IP_ADDR_COUNT; idx++) { 477413483730SMike Christie if (ip_idx[idx] == -1) 477513483730SMike Christie continue; 477613483730SMike Christie 477713483730SMike Christie ret = qla4xxx_get_ip_state(ha, 0, ip_idx[idx], sts); 477813483730SMike Christie 477913483730SMike Christie if (ret == QLA_ERROR) { 478013483730SMike Christie ip_idx[idx] = -1; 478113483730SMike Christie continue; 478213483730SMike Christie } 478313483730SMike Christie 478413483730SMike Christie ip_state = (sts[1] & IP_STATE_MASK) >> IP_STATE_SHIFT; 478513483730SMike Christie 478613483730SMike Christie DEBUG2(ql4_printk(KERN_INFO, ha, 478713483730SMike Christie "Waiting for IP state for idx = %d, state = 0x%x\n", 478813483730SMike Christie ip_idx[idx], ip_state)); 478913483730SMike Christie if (ip_state == IP_ADDRSTATE_UNCONFIGURED || 479013483730SMike Christie ip_state == IP_ADDRSTATE_INVALID || 479113483730SMike Christie ip_state == IP_ADDRSTATE_PREFERRED || 479213483730SMike Christie ip_state == IP_ADDRSTATE_DEPRICATED || 479313483730SMike Christie ip_state == IP_ADDRSTATE_DISABLING) 479413483730SMike Christie ip_idx[idx] = -1; 479513483730SMike Christie } 479613483730SMike Christie 479713483730SMike Christie /* Break if all IP states checked */ 479813483730SMike Christie if ((ip_idx[0] == -1) && 479913483730SMike Christie (ip_idx[1] == -1) && 480013483730SMike Christie (ip_idx[2] == -1) && 480113483730SMike Christie (ip_idx[3] == -1)) 480213483730SMike Christie break; 480313483730SMike Christie schedule_timeout_uninterruptible(HZ); 480413483730SMike Christie } while (time_after(wtime, jiffies)); 480513483730SMike Christie } 480613483730SMike Christie 48074a4bc2e9SLalit Chandivade static void qla4xxx_build_st_list(struct scsi_qla_host *ha, 48084a4bc2e9SLalit Chandivade struct list_head *list_st) 480913483730SMike Christie { 48104a4bc2e9SLalit Chandivade struct qla_ddb_index *st_ddb_idx; 481113483730SMike Christie int max_ddbs; 48124a4bc2e9SLalit Chandivade int fw_idx_size; 48134a4bc2e9SLalit Chandivade struct dev_db_entry *fw_ddb_entry; 48144a4bc2e9SLalit Chandivade dma_addr_t fw_ddb_dma; 481513483730SMike Christie int ret; 481613483730SMike Christie uint32_t idx = 0, next_idx = 0; 481713483730SMike Christie uint32_t state = 0, conn_err = 0; 48184a4bc2e9SLalit Chandivade uint16_t conn_id = 0; 481913483730SMike Christie 482013483730SMike Christie fw_ddb_entry = dma_pool_alloc(ha->fw_ddb_dma_pool, GFP_KERNEL, 482113483730SMike Christie &fw_ddb_dma); 482213483730SMike Christie if (fw_ddb_entry == NULL) { 482313483730SMike Christie DEBUG2(ql4_printk(KERN_ERR, ha, "Out of memory\n")); 48244a4bc2e9SLalit Chandivade goto exit_st_list; 482513483730SMike Christie } 482613483730SMike Christie 48274a4bc2e9SLalit Chandivade max_ddbs = is_qla40XX(ha) ? MAX_DEV_DB_ENTRIES_40XX : 48284a4bc2e9SLalit Chandivade MAX_DEV_DB_ENTRIES; 482913483730SMike Christie fw_idx_size = sizeof(struct qla_ddb_index); 483013483730SMike Christie 483113483730SMike Christie for (idx = 0; idx < max_ddbs; idx = next_idx) { 48324a4bc2e9SLalit Chandivade ret = qla4xxx_get_fwddb_entry(ha, idx, fw_ddb_entry, fw_ddb_dma, 48334a4bc2e9SLalit Chandivade NULL, &next_idx, &state, 48344a4bc2e9SLalit Chandivade &conn_err, NULL, &conn_id); 483513483730SMike Christie if (ret == QLA_ERROR) 483613483730SMike Christie break; 483713483730SMike Christie 4838981c982cSLalit Chandivade /* Ignore DDB if invalid state (unassigned) */ 4839981c982cSLalit Chandivade if (state == DDB_DS_UNASSIGNED) 4840981c982cSLalit Chandivade goto continue_next_st; 4841981c982cSLalit Chandivade 484213483730SMike Christie /* Check if ST, add to the list_st */ 484313483730SMike Christie if (strlen((char *) fw_ddb_entry->iscsi_name) != 0) 484413483730SMike Christie goto continue_next_st; 484513483730SMike Christie 484613483730SMike Christie st_ddb_idx = vzalloc(fw_idx_size); 484713483730SMike Christie if (!st_ddb_idx) 484813483730SMike Christie break; 484913483730SMike Christie 485013483730SMike Christie st_ddb_idx->fw_ddb_idx = idx; 485113483730SMike Christie 48524a4bc2e9SLalit Chandivade list_add_tail(&st_ddb_idx->list, list_st); 485313483730SMike Christie continue_next_st: 485413483730SMike Christie if (next_idx == 0) 485513483730SMike Christie break; 485613483730SMike Christie } 485713483730SMike Christie 48584a4bc2e9SLalit Chandivade exit_st_list: 48594a4bc2e9SLalit Chandivade if (fw_ddb_entry) 48604a4bc2e9SLalit Chandivade dma_pool_free(ha->fw_ddb_dma_pool, fw_ddb_entry, fw_ddb_dma); 48614a4bc2e9SLalit Chandivade } 48624a4bc2e9SLalit Chandivade 48634a4bc2e9SLalit Chandivade /** 48644a4bc2e9SLalit Chandivade * qla4xxx_remove_failed_ddb - Remove inactive or failed ddb from list 48654a4bc2e9SLalit Chandivade * @ha: pointer to adapter structure 48664a4bc2e9SLalit Chandivade * @list_ddb: List from which failed ddb to be removed 48674a4bc2e9SLalit Chandivade * 48684a4bc2e9SLalit Chandivade * Iterate over the list of DDBs and find and remove DDBs that are either in 48694a4bc2e9SLalit Chandivade * no connection active state or failed state 48704a4bc2e9SLalit Chandivade **/ 48714a4bc2e9SLalit Chandivade static void qla4xxx_remove_failed_ddb(struct scsi_qla_host *ha, 48724a4bc2e9SLalit Chandivade struct list_head *list_ddb) 48734a4bc2e9SLalit Chandivade { 48744a4bc2e9SLalit Chandivade struct qla_ddb_index *ddb_idx, *ddb_idx_tmp; 48754a4bc2e9SLalit Chandivade uint32_t next_idx = 0; 48764a4bc2e9SLalit Chandivade uint32_t state = 0, conn_err = 0; 48774a4bc2e9SLalit Chandivade int ret; 48784a4bc2e9SLalit Chandivade 48794a4bc2e9SLalit Chandivade list_for_each_entry_safe(ddb_idx, ddb_idx_tmp, list_ddb, list) { 48804a4bc2e9SLalit Chandivade ret = qla4xxx_get_fwddb_entry(ha, ddb_idx->fw_ddb_idx, 48814a4bc2e9SLalit Chandivade NULL, 0, NULL, &next_idx, &state, 48824a4bc2e9SLalit Chandivade &conn_err, NULL, NULL); 48834a4bc2e9SLalit Chandivade if (ret == QLA_ERROR) 48844a4bc2e9SLalit Chandivade continue; 48854a4bc2e9SLalit Chandivade 48864a4bc2e9SLalit Chandivade if (state == DDB_DS_NO_CONNECTION_ACTIVE || 48874a4bc2e9SLalit Chandivade state == DDB_DS_SESSION_FAILED) { 48884a4bc2e9SLalit Chandivade list_del_init(&ddb_idx->list); 48894a4bc2e9SLalit Chandivade vfree(ddb_idx); 48904a4bc2e9SLalit Chandivade } 48914a4bc2e9SLalit Chandivade } 48924a4bc2e9SLalit Chandivade } 48934a4bc2e9SLalit Chandivade 48944a4bc2e9SLalit Chandivade static int qla4xxx_sess_conn_setup(struct scsi_qla_host *ha, 48954a4bc2e9SLalit Chandivade struct dev_db_entry *fw_ddb_entry, 48961dc8ed5dSManish Rangankar int is_reset, uint16_t idx) 48974a4bc2e9SLalit Chandivade { 48984a4bc2e9SLalit Chandivade struct iscsi_cls_session *cls_sess; 48994a4bc2e9SLalit Chandivade struct iscsi_session *sess; 49004a4bc2e9SLalit Chandivade struct iscsi_cls_conn *cls_conn; 49014a4bc2e9SLalit Chandivade struct iscsi_endpoint *ep; 49024a4bc2e9SLalit Chandivade uint16_t cmds_max = 32; 49034a4bc2e9SLalit Chandivade uint16_t conn_id = 0; 49044a4bc2e9SLalit Chandivade uint32_t initial_cmdsn = 0; 49054a4bc2e9SLalit Chandivade int ret = QLA_SUCCESS; 49064a4bc2e9SLalit Chandivade 49074a4bc2e9SLalit Chandivade struct ddb_entry *ddb_entry = NULL; 49084a4bc2e9SLalit Chandivade 49094a4bc2e9SLalit Chandivade /* Create session object, with INVALID_ENTRY, 49104a4bc2e9SLalit Chandivade * the targer_id would get set when we issue the login 49114a4bc2e9SLalit Chandivade */ 49124a4bc2e9SLalit Chandivade cls_sess = iscsi_session_setup(&qla4xxx_iscsi_transport, ha->host, 49134a4bc2e9SLalit Chandivade cmds_max, sizeof(struct ddb_entry), 49144a4bc2e9SLalit Chandivade sizeof(struct ql4_task_data), 49154a4bc2e9SLalit Chandivade initial_cmdsn, INVALID_ENTRY); 49164a4bc2e9SLalit Chandivade if (!cls_sess) { 49174a4bc2e9SLalit Chandivade ret = QLA_ERROR; 49184a4bc2e9SLalit Chandivade goto exit_setup; 49194a4bc2e9SLalit Chandivade } 49204a4bc2e9SLalit Chandivade 49214a4bc2e9SLalit Chandivade /* 49224a4bc2e9SLalit Chandivade * so calling module_put function to decrement the 49234a4bc2e9SLalit Chandivade * reference count. 49244a4bc2e9SLalit Chandivade **/ 49254a4bc2e9SLalit Chandivade module_put(qla4xxx_iscsi_transport.owner); 49264a4bc2e9SLalit Chandivade sess = cls_sess->dd_data; 49274a4bc2e9SLalit Chandivade ddb_entry = sess->dd_data; 49284a4bc2e9SLalit Chandivade ddb_entry->sess = cls_sess; 49294a4bc2e9SLalit Chandivade 49304a4bc2e9SLalit Chandivade cls_sess->recovery_tmo = ql4xsess_recovery_tmo; 49314a4bc2e9SLalit Chandivade memcpy(&ddb_entry->fw_ddb_entry, fw_ddb_entry, 49324a4bc2e9SLalit Chandivade sizeof(struct dev_db_entry)); 49334a4bc2e9SLalit Chandivade 49341dc8ed5dSManish Rangankar qla4xxx_setup_flash_ddb_entry(ha, ddb_entry, idx); 49354a4bc2e9SLalit Chandivade 49364a4bc2e9SLalit Chandivade cls_conn = iscsi_conn_setup(cls_sess, sizeof(struct qla_conn), conn_id); 49374a4bc2e9SLalit Chandivade 49384a4bc2e9SLalit Chandivade if (!cls_conn) { 49394a4bc2e9SLalit Chandivade ret = QLA_ERROR; 49404a4bc2e9SLalit Chandivade goto exit_setup; 49414a4bc2e9SLalit Chandivade } 49424a4bc2e9SLalit Chandivade 49434a4bc2e9SLalit Chandivade ddb_entry->conn = cls_conn; 49444a4bc2e9SLalit Chandivade 49454a4bc2e9SLalit Chandivade /* Setup ep, for displaying attributes in sysfs */ 49464a4bc2e9SLalit Chandivade ep = qla4xxx_get_ep_fwdb(ha, fw_ddb_entry); 49474a4bc2e9SLalit Chandivade if (ep) { 49484a4bc2e9SLalit Chandivade ep->conn = cls_conn; 49494a4bc2e9SLalit Chandivade cls_conn->ep = ep; 49504a4bc2e9SLalit Chandivade } else { 49514a4bc2e9SLalit Chandivade DEBUG2(ql4_printk(KERN_ERR, ha, "Unable to get ep\n")); 49524a4bc2e9SLalit Chandivade ret = QLA_ERROR; 49534a4bc2e9SLalit Chandivade goto exit_setup; 49544a4bc2e9SLalit Chandivade } 49554a4bc2e9SLalit Chandivade 49564a4bc2e9SLalit Chandivade /* Update sess/conn params */ 49574a4bc2e9SLalit Chandivade qla4xxx_copy_fwddb_param(ha, fw_ddb_entry, cls_sess, cls_conn); 49584a4bc2e9SLalit Chandivade 49594a4bc2e9SLalit Chandivade if (is_reset == RESET_ADAPTER) { 49604a4bc2e9SLalit Chandivade iscsi_block_session(cls_sess); 49614a4bc2e9SLalit Chandivade /* Use the relogin path to discover new devices 49624a4bc2e9SLalit Chandivade * by short-circuting the logic of setting 49634a4bc2e9SLalit Chandivade * timer to relogin - instead set the flags 49644a4bc2e9SLalit Chandivade * to initiate login right away. 49654a4bc2e9SLalit Chandivade */ 49664a4bc2e9SLalit Chandivade set_bit(DPC_RELOGIN_DEVICE, &ha->dpc_flags); 49674a4bc2e9SLalit Chandivade set_bit(DF_RELOGIN, &ddb_entry->flags); 49684a4bc2e9SLalit Chandivade } 49694a4bc2e9SLalit Chandivade 49704a4bc2e9SLalit Chandivade exit_setup: 49714a4bc2e9SLalit Chandivade return ret; 49724a4bc2e9SLalit Chandivade } 49734a4bc2e9SLalit Chandivade 49744a4bc2e9SLalit Chandivade static void qla4xxx_build_nt_list(struct scsi_qla_host *ha, 49754a4bc2e9SLalit Chandivade struct list_head *list_nt, int is_reset) 49764a4bc2e9SLalit Chandivade { 49774a4bc2e9SLalit Chandivade struct dev_db_entry *fw_ddb_entry; 49784a4bc2e9SLalit Chandivade dma_addr_t fw_ddb_dma; 49794a4bc2e9SLalit Chandivade int max_ddbs; 49804a4bc2e9SLalit Chandivade int fw_idx_size; 49814a4bc2e9SLalit Chandivade int ret; 49824a4bc2e9SLalit Chandivade uint32_t idx = 0, next_idx = 0; 49834a4bc2e9SLalit Chandivade uint32_t state = 0, conn_err = 0; 49844a4bc2e9SLalit Chandivade uint16_t conn_id = 0; 49854a4bc2e9SLalit Chandivade struct qla_ddb_index *nt_ddb_idx; 49864a4bc2e9SLalit Chandivade 49874a4bc2e9SLalit Chandivade fw_ddb_entry = dma_pool_alloc(ha->fw_ddb_dma_pool, GFP_KERNEL, 49884a4bc2e9SLalit Chandivade &fw_ddb_dma); 49894a4bc2e9SLalit Chandivade if (fw_ddb_entry == NULL) { 49904a4bc2e9SLalit Chandivade DEBUG2(ql4_printk(KERN_ERR, ha, "Out of memory\n")); 49914a4bc2e9SLalit Chandivade goto exit_nt_list; 49924a4bc2e9SLalit Chandivade } 49934a4bc2e9SLalit Chandivade max_ddbs = is_qla40XX(ha) ? MAX_DEV_DB_ENTRIES_40XX : 49944a4bc2e9SLalit Chandivade MAX_DEV_DB_ENTRIES; 49954a4bc2e9SLalit Chandivade fw_idx_size = sizeof(struct qla_ddb_index); 49964a4bc2e9SLalit Chandivade 49974a4bc2e9SLalit Chandivade for (idx = 0; idx < max_ddbs; idx = next_idx) { 49984a4bc2e9SLalit Chandivade ret = qla4xxx_get_fwddb_entry(ha, idx, fw_ddb_entry, fw_ddb_dma, 49994a4bc2e9SLalit Chandivade NULL, &next_idx, &state, 50004a4bc2e9SLalit Chandivade &conn_err, NULL, &conn_id); 50014a4bc2e9SLalit Chandivade if (ret == QLA_ERROR) 50024a4bc2e9SLalit Chandivade break; 50034a4bc2e9SLalit Chandivade 50044a4bc2e9SLalit Chandivade if (qla4xxx_verify_boot_idx(ha, idx) != QLA_SUCCESS) 50054a4bc2e9SLalit Chandivade goto continue_next_nt; 50064a4bc2e9SLalit Chandivade 50074a4bc2e9SLalit Chandivade /* Check if NT, then add to list it */ 50084a4bc2e9SLalit Chandivade if (strlen((char *) fw_ddb_entry->iscsi_name) == 0) 50094a4bc2e9SLalit Chandivade goto continue_next_nt; 50104a4bc2e9SLalit Chandivade 50114a4bc2e9SLalit Chandivade if (!(state == DDB_DS_NO_CONNECTION_ACTIVE || 50124a4bc2e9SLalit Chandivade state == DDB_DS_SESSION_FAILED)) 50134a4bc2e9SLalit Chandivade goto continue_next_nt; 50144a4bc2e9SLalit Chandivade 50154a4bc2e9SLalit Chandivade DEBUG2(ql4_printk(KERN_INFO, ha, 50164a4bc2e9SLalit Chandivade "Adding DDB to session = 0x%x\n", idx)); 50174a4bc2e9SLalit Chandivade if (is_reset == INIT_ADAPTER) { 50184a4bc2e9SLalit Chandivade nt_ddb_idx = vmalloc(fw_idx_size); 50194a4bc2e9SLalit Chandivade if (!nt_ddb_idx) 50204a4bc2e9SLalit Chandivade break; 50214a4bc2e9SLalit Chandivade 50224a4bc2e9SLalit Chandivade nt_ddb_idx->fw_ddb_idx = idx; 50234a4bc2e9SLalit Chandivade 50241cb78d73SVikas Chaudhary /* Copy original isid as it may get updated in function 50251cb78d73SVikas Chaudhary * qla4xxx_update_isid(). We need original isid in 50261cb78d73SVikas Chaudhary * function qla4xxx_compare_tuple_ddb to find duplicate 50271cb78d73SVikas Chaudhary * target */ 50281cb78d73SVikas Chaudhary memcpy(&nt_ddb_idx->flash_isid[0], 50291cb78d73SVikas Chaudhary &fw_ddb_entry->isid[0], 50301cb78d73SVikas Chaudhary sizeof(nt_ddb_idx->flash_isid)); 50314a4bc2e9SLalit Chandivade 50321cb78d73SVikas Chaudhary ret = qla4xxx_is_flash_ddb_exists(ha, list_nt, 50331cb78d73SVikas Chaudhary fw_ddb_entry); 50341cb78d73SVikas Chaudhary if (ret == QLA_SUCCESS) { 50351cb78d73SVikas Chaudhary /* free nt_ddb_idx and do not add to list_nt */ 50364a4bc2e9SLalit Chandivade vfree(nt_ddb_idx); 50374a4bc2e9SLalit Chandivade goto continue_next_nt; 50384a4bc2e9SLalit Chandivade } 50391cb78d73SVikas Chaudhary 50401cb78d73SVikas Chaudhary /* Copy updated isid */ 50411cb78d73SVikas Chaudhary memcpy(&nt_ddb_idx->fw_ddb, fw_ddb_entry, 50421cb78d73SVikas Chaudhary sizeof(struct dev_db_entry)); 50431cb78d73SVikas Chaudhary 50444a4bc2e9SLalit Chandivade list_add_tail(&nt_ddb_idx->list, list_nt); 50454a4bc2e9SLalit Chandivade } else if (is_reset == RESET_ADAPTER) { 50464a4bc2e9SLalit Chandivade if (qla4xxx_is_session_exists(ha, fw_ddb_entry) == 50474a4bc2e9SLalit Chandivade QLA_SUCCESS) 50484a4bc2e9SLalit Chandivade goto continue_next_nt; 50494a4bc2e9SLalit Chandivade } 50504a4bc2e9SLalit Chandivade 50511dc8ed5dSManish Rangankar ret = qla4xxx_sess_conn_setup(ha, fw_ddb_entry, is_reset, idx); 50524a4bc2e9SLalit Chandivade if (ret == QLA_ERROR) 50534a4bc2e9SLalit Chandivade goto exit_nt_list; 50544a4bc2e9SLalit Chandivade 50554a4bc2e9SLalit Chandivade continue_next_nt: 50564a4bc2e9SLalit Chandivade if (next_idx == 0) 50574a4bc2e9SLalit Chandivade break; 50584a4bc2e9SLalit Chandivade } 50594a4bc2e9SLalit Chandivade 50604a4bc2e9SLalit Chandivade exit_nt_list: 50614a4bc2e9SLalit Chandivade if (fw_ddb_entry) 50624a4bc2e9SLalit Chandivade dma_pool_free(ha->fw_ddb_dma_pool, fw_ddb_entry, fw_ddb_dma); 50634a4bc2e9SLalit Chandivade } 50644a4bc2e9SLalit Chandivade 50654a4bc2e9SLalit Chandivade /** 50664a4bc2e9SLalit Chandivade * qla4xxx_build_ddb_list - Build ddb list and setup sessions 50674a4bc2e9SLalit Chandivade * @ha: pointer to adapter structure 50684a4bc2e9SLalit Chandivade * @is_reset: Is this init path or reset path 50694a4bc2e9SLalit Chandivade * 50704a4bc2e9SLalit Chandivade * Create a list of sendtargets (st) from firmware DDBs, issue send targets 50714a4bc2e9SLalit Chandivade * using connection open, then create the list of normal targets (nt) 50724a4bc2e9SLalit Chandivade * from firmware DDBs. Based on the list of nt setup session and connection 50734a4bc2e9SLalit Chandivade * objects. 50744a4bc2e9SLalit Chandivade **/ 50754a4bc2e9SLalit Chandivade void qla4xxx_build_ddb_list(struct scsi_qla_host *ha, int is_reset) 50764a4bc2e9SLalit Chandivade { 50774a4bc2e9SLalit Chandivade uint16_t tmo = 0; 50784a4bc2e9SLalit Chandivade struct list_head list_st, list_nt; 50794a4bc2e9SLalit Chandivade struct qla_ddb_index *st_ddb_idx, *st_ddb_idx_tmp; 50804a4bc2e9SLalit Chandivade unsigned long wtime; 50814a4bc2e9SLalit Chandivade 50824a4bc2e9SLalit Chandivade if (!test_bit(AF_LINK_UP, &ha->flags)) { 50834a4bc2e9SLalit Chandivade set_bit(AF_BUILD_DDB_LIST, &ha->flags); 50844a4bc2e9SLalit Chandivade ha->is_reset = is_reset; 50854a4bc2e9SLalit Chandivade return; 50864a4bc2e9SLalit Chandivade } 50874a4bc2e9SLalit Chandivade 50884a4bc2e9SLalit Chandivade INIT_LIST_HEAD(&list_st); 50894a4bc2e9SLalit Chandivade INIT_LIST_HEAD(&list_nt); 50904a4bc2e9SLalit Chandivade 50914a4bc2e9SLalit Chandivade qla4xxx_build_st_list(ha, &list_st); 50924a4bc2e9SLalit Chandivade 509313483730SMike Christie /* Before issuing conn open mbox, ensure all IPs states are configured 509413483730SMike Christie * Note, conn open fails if IPs are not configured 509513483730SMike Christie */ 509613483730SMike Christie qla4xxx_wait_for_ip_configuration(ha); 509713483730SMike Christie 509813483730SMike Christie /* Go thru the STs and fire the sendtargets by issuing conn open mbx */ 509913483730SMike Christie list_for_each_entry_safe(st_ddb_idx, st_ddb_idx_tmp, &list_st, list) { 510013483730SMike Christie qla4xxx_conn_open(ha, st_ddb_idx->fw_ddb_idx); 510113483730SMike Christie } 510213483730SMike Christie 510313483730SMike Christie /* Wait to ensure all sendtargets are done for min 12 sec wait */ 5104c28eaacaSNilesh Javali tmo = ((ha->def_timeout > LOGIN_TOV) && 5105c28eaacaSNilesh Javali (ha->def_timeout < LOGIN_TOV * 10) ? 5106c28eaacaSNilesh Javali ha->def_timeout : LOGIN_TOV); 5107c28eaacaSNilesh Javali 510813483730SMike Christie DEBUG2(ql4_printk(KERN_INFO, ha, 510913483730SMike Christie "Default time to wait for build ddb %d\n", tmo)); 511013483730SMike Christie 511113483730SMike Christie wtime = jiffies + (HZ * tmo); 511213483730SMike Christie do { 5113f1f2e60eSNilesh Javali if (list_empty(&list_st)) 5114f1f2e60eSNilesh Javali break; 5115f1f2e60eSNilesh Javali 51164a4bc2e9SLalit Chandivade qla4xxx_remove_failed_ddb(ha, &list_st); 511713483730SMike Christie schedule_timeout_uninterruptible(HZ / 10); 511813483730SMike Christie } while (time_after(wtime, jiffies)); 511913483730SMike Christie 512013483730SMike Christie /* Free up the sendtargets list */ 51214a4bc2e9SLalit Chandivade qla4xxx_free_ddb_list(&list_st); 512213483730SMike Christie 51234a4bc2e9SLalit Chandivade qla4xxx_build_nt_list(ha, &list_nt, is_reset); 512413483730SMike Christie 51254a4bc2e9SLalit Chandivade qla4xxx_free_ddb_list(&list_nt); 512613483730SMike Christie 512713483730SMike Christie qla4xxx_free_ddb_index(ha); 512813483730SMike Christie } 512913483730SMike Christie 5130afaf5a2dSDavid Somayajulu /** 51311dc8ed5dSManish Rangankar * qla4xxx_wait_login_resp_boot_tgt - Wait for iSCSI boot target login 51321dc8ed5dSManish Rangankar * response. 51331dc8ed5dSManish Rangankar * @ha: pointer to adapter structure 51341dc8ed5dSManish Rangankar * 51351dc8ed5dSManish Rangankar * When the boot entry is normal iSCSI target then DF_BOOT_TGT flag will be 51361dc8ed5dSManish Rangankar * set in DDB and we will wait for login response of boot targets during 51371dc8ed5dSManish Rangankar * probe. 51381dc8ed5dSManish Rangankar **/ 51391dc8ed5dSManish Rangankar static void qla4xxx_wait_login_resp_boot_tgt(struct scsi_qla_host *ha) 51401dc8ed5dSManish Rangankar { 51411dc8ed5dSManish Rangankar struct ddb_entry *ddb_entry; 51421dc8ed5dSManish Rangankar struct dev_db_entry *fw_ddb_entry = NULL; 51431dc8ed5dSManish Rangankar dma_addr_t fw_ddb_entry_dma; 51441dc8ed5dSManish Rangankar unsigned long wtime; 51451dc8ed5dSManish Rangankar uint32_t ddb_state; 51461dc8ed5dSManish Rangankar int max_ddbs, idx, ret; 51471dc8ed5dSManish Rangankar 51481dc8ed5dSManish Rangankar max_ddbs = is_qla40XX(ha) ? MAX_DEV_DB_ENTRIES_40XX : 51491dc8ed5dSManish Rangankar MAX_DEV_DB_ENTRIES; 51501dc8ed5dSManish Rangankar 51511dc8ed5dSManish Rangankar fw_ddb_entry = dma_alloc_coherent(&ha->pdev->dev, sizeof(*fw_ddb_entry), 51521dc8ed5dSManish Rangankar &fw_ddb_entry_dma, GFP_KERNEL); 51531dc8ed5dSManish Rangankar if (!fw_ddb_entry) { 51541dc8ed5dSManish Rangankar ql4_printk(KERN_ERR, ha, 51551dc8ed5dSManish Rangankar "%s: Unable to allocate dma buffer\n", __func__); 51561dc8ed5dSManish Rangankar goto exit_login_resp; 51571dc8ed5dSManish Rangankar } 51581dc8ed5dSManish Rangankar 51591dc8ed5dSManish Rangankar wtime = jiffies + (HZ * BOOT_LOGIN_RESP_TOV); 51601dc8ed5dSManish Rangankar 51611dc8ed5dSManish Rangankar for (idx = 0; idx < max_ddbs; idx++) { 51621dc8ed5dSManish Rangankar ddb_entry = qla4xxx_lookup_ddb_by_fw_index(ha, idx); 51631dc8ed5dSManish Rangankar if (ddb_entry == NULL) 51641dc8ed5dSManish Rangankar continue; 51651dc8ed5dSManish Rangankar 51661dc8ed5dSManish Rangankar if (test_bit(DF_BOOT_TGT, &ddb_entry->flags)) { 51671dc8ed5dSManish Rangankar DEBUG2(ql4_printk(KERN_INFO, ha, 51681dc8ed5dSManish Rangankar "%s: DDB index [%d]\n", __func__, 51691dc8ed5dSManish Rangankar ddb_entry->fw_ddb_index)); 51701dc8ed5dSManish Rangankar do { 51711dc8ed5dSManish Rangankar ret = qla4xxx_get_fwddb_entry(ha, 51721dc8ed5dSManish Rangankar ddb_entry->fw_ddb_index, 51731dc8ed5dSManish Rangankar fw_ddb_entry, fw_ddb_entry_dma, 51741dc8ed5dSManish Rangankar NULL, NULL, &ddb_state, NULL, 51751dc8ed5dSManish Rangankar NULL, NULL); 51761dc8ed5dSManish Rangankar if (ret == QLA_ERROR) 51771dc8ed5dSManish Rangankar goto exit_login_resp; 51781dc8ed5dSManish Rangankar 51791dc8ed5dSManish Rangankar if ((ddb_state == DDB_DS_SESSION_ACTIVE) || 51801dc8ed5dSManish Rangankar (ddb_state == DDB_DS_SESSION_FAILED)) 51811dc8ed5dSManish Rangankar break; 51821dc8ed5dSManish Rangankar 51831dc8ed5dSManish Rangankar schedule_timeout_uninterruptible(HZ); 51841dc8ed5dSManish Rangankar 51851dc8ed5dSManish Rangankar } while ((time_after(wtime, jiffies))); 51861dc8ed5dSManish Rangankar 51871dc8ed5dSManish Rangankar if (!time_after(wtime, jiffies)) { 51881dc8ed5dSManish Rangankar DEBUG2(ql4_printk(KERN_INFO, ha, 51891dc8ed5dSManish Rangankar "%s: Login response wait timer expired\n", 51901dc8ed5dSManish Rangankar __func__)); 51911dc8ed5dSManish Rangankar goto exit_login_resp; 51921dc8ed5dSManish Rangankar } 51931dc8ed5dSManish Rangankar } 51941dc8ed5dSManish Rangankar } 51951dc8ed5dSManish Rangankar 51961dc8ed5dSManish Rangankar exit_login_resp: 51971dc8ed5dSManish Rangankar if (fw_ddb_entry) 51981dc8ed5dSManish Rangankar dma_free_coherent(&ha->pdev->dev, sizeof(*fw_ddb_entry), 51991dc8ed5dSManish Rangankar fw_ddb_entry, fw_ddb_entry_dma); 52001dc8ed5dSManish Rangankar } 52011dc8ed5dSManish Rangankar 52021dc8ed5dSManish Rangankar /** 5203afaf5a2dSDavid Somayajulu * qla4xxx_probe_adapter - callback function to probe HBA 5204afaf5a2dSDavid Somayajulu * @pdev: pointer to pci_dev structure 5205afaf5a2dSDavid Somayajulu * @pci_device_id: pointer to pci_device entry 5206afaf5a2dSDavid Somayajulu * 5207afaf5a2dSDavid Somayajulu * This routine will probe for Qlogic 4xxx iSCSI host adapters. 5208afaf5a2dSDavid Somayajulu * It returns zero if successful. It also initializes all data necessary for 5209afaf5a2dSDavid Somayajulu * the driver. 5210afaf5a2dSDavid Somayajulu **/ 52116f039790SGreg Kroah-Hartman static int qla4xxx_probe_adapter(struct pci_dev *pdev, 5212afaf5a2dSDavid Somayajulu const struct pci_device_id *ent) 5213afaf5a2dSDavid Somayajulu { 5214afaf5a2dSDavid Somayajulu int ret = -ENODEV, status; 5215afaf5a2dSDavid Somayajulu struct Scsi_Host *host; 5216afaf5a2dSDavid Somayajulu struct scsi_qla_host *ha; 5217afaf5a2dSDavid Somayajulu uint8_t init_retry_count = 0; 5218afaf5a2dSDavid Somayajulu char buf[34]; 5219f4f5df23SVikas Chaudhary struct qla4_8xxx_legacy_intr_set *nx_legacy_intr; 5220f9880e76SPrasanna Mumbai uint32_t dev_state; 5221afaf5a2dSDavid Somayajulu 5222afaf5a2dSDavid Somayajulu if (pci_enable_device(pdev)) 5223afaf5a2dSDavid Somayajulu return -1; 5224afaf5a2dSDavid Somayajulu 5225b3a271a9SManish Rangankar host = iscsi_host_alloc(&qla4xxx_driver_template, sizeof(*ha), 0); 5226afaf5a2dSDavid Somayajulu if (host == NULL) { 5227afaf5a2dSDavid Somayajulu printk(KERN_WARNING 5228afaf5a2dSDavid Somayajulu "qla4xxx: Couldn't allocate host from scsi layer!\n"); 5229afaf5a2dSDavid Somayajulu goto probe_disable_device; 5230afaf5a2dSDavid Somayajulu } 5231afaf5a2dSDavid Somayajulu 5232afaf5a2dSDavid Somayajulu /* Clear our data area */ 5233b3a271a9SManish Rangankar ha = to_qla_host(host); 5234afaf5a2dSDavid Somayajulu memset(ha, 0, sizeof(*ha)); 5235afaf5a2dSDavid Somayajulu 5236afaf5a2dSDavid Somayajulu /* Save the information from PCI BIOS. */ 5237afaf5a2dSDavid Somayajulu ha->pdev = pdev; 5238afaf5a2dSDavid Somayajulu ha->host = host; 5239afaf5a2dSDavid Somayajulu ha->host_no = host->host_no; 52406e7b4292SVikas Chaudhary ha->func_num = PCI_FUNC(ha->pdev->devfn); 5241afaf5a2dSDavid Somayajulu 52422232be0dSLalit Chandivade pci_enable_pcie_error_reporting(pdev); 52432232be0dSLalit Chandivade 5244f4f5df23SVikas Chaudhary /* Setup Runtime configurable options */ 5245f4f5df23SVikas Chaudhary if (is_qla8022(ha)) { 52467664a1fdSVikas Chaudhary ha->isp_ops = &qla4_82xx_isp_ops; 524733693c7aSVikas Chaudhary ha->reg_tbl = (uint32_t *) qla4_82xx_reg_tbl; 5248f4f5df23SVikas Chaudhary ha->qdr_sn_window = -1; 5249f4f5df23SVikas Chaudhary ha->ddr_mn_window = -1; 5250f4f5df23SVikas Chaudhary ha->curr_window = 255; 5251f4f5df23SVikas Chaudhary nx_legacy_intr = &legacy_intr[ha->func_num]; 5252f4f5df23SVikas Chaudhary ha->nx_legacy_intr.int_vec_bit = nx_legacy_intr->int_vec_bit; 5253f4f5df23SVikas Chaudhary ha->nx_legacy_intr.tgt_status_reg = 5254f4f5df23SVikas Chaudhary nx_legacy_intr->tgt_status_reg; 5255f4f5df23SVikas Chaudhary ha->nx_legacy_intr.tgt_mask_reg = nx_legacy_intr->tgt_mask_reg; 5256f4f5df23SVikas Chaudhary ha->nx_legacy_intr.pci_int_reg = nx_legacy_intr->pci_int_reg; 52576e7b4292SVikas Chaudhary } else if (is_qla8032(ha)) { 52586e7b4292SVikas Chaudhary ha->isp_ops = &qla4_83xx_isp_ops; 52596e7b4292SVikas Chaudhary ha->reg_tbl = (uint32_t *)qla4_83xx_reg_tbl; 5260f4f5df23SVikas Chaudhary } else { 5261f4f5df23SVikas Chaudhary ha->isp_ops = &qla4xxx_isp_ops; 5262f4f5df23SVikas Chaudhary } 5263f4f5df23SVikas Chaudhary 52646e7b4292SVikas Chaudhary if (is_qla80XX(ha)) { 52656e7b4292SVikas Chaudhary rwlock_init(&ha->hw_lock); 52666e7b4292SVikas Chaudhary ha->pf_bit = ha->func_num << 16; 52672232be0dSLalit Chandivade /* Set EEH reset type to fundamental if required by hba */ 52682232be0dSLalit Chandivade pdev->needs_freset = 1; 52696e7b4292SVikas Chaudhary } 52702232be0dSLalit Chandivade 5271afaf5a2dSDavid Somayajulu /* Configure PCI I/O space. */ 5272f4f5df23SVikas Chaudhary ret = ha->isp_ops->iospace_config(ha); 5273afaf5a2dSDavid Somayajulu if (ret) 5274f4f5df23SVikas Chaudhary goto probe_failed_ioconfig; 5275afaf5a2dSDavid Somayajulu 5276c2660df3SVikas Chaudhary ql4_printk(KERN_INFO, ha, "Found an ISP%04x, irq %d, iobase 0x%p\n", 5277afaf5a2dSDavid Somayajulu pdev->device, pdev->irq, ha->reg); 5278afaf5a2dSDavid Somayajulu 5279afaf5a2dSDavid Somayajulu qla4xxx_config_dma_addressing(ha); 5280afaf5a2dSDavid Somayajulu 5281afaf5a2dSDavid Somayajulu /* Initialize lists and spinlocks. */ 5282afaf5a2dSDavid Somayajulu INIT_LIST_HEAD(&ha->free_srb_q); 5283afaf5a2dSDavid Somayajulu 5284afaf5a2dSDavid Somayajulu mutex_init(&ha->mbox_sem); 52854549415aSLalit Chandivade mutex_init(&ha->chap_sem); 5286f4f5df23SVikas Chaudhary init_completion(&ha->mbx_intr_comp); 528795d31262SVikas Chaudhary init_completion(&ha->disable_acb_comp); 5288afaf5a2dSDavid Somayajulu 5289afaf5a2dSDavid Somayajulu spin_lock_init(&ha->hardware_lock); 52908e9157c8SVikas Chaudhary spin_lock_init(&ha->work_lock); 5291afaf5a2dSDavid Somayajulu 5292ff884430SVikas Chaudhary /* Initialize work list */ 5293ff884430SVikas Chaudhary INIT_LIST_HEAD(&ha->work_list); 5294ff884430SVikas Chaudhary 5295afaf5a2dSDavid Somayajulu /* Allocate dma buffers */ 5296afaf5a2dSDavid Somayajulu if (qla4xxx_mem_alloc(ha)) { 5297c2660df3SVikas Chaudhary ql4_printk(KERN_WARNING, ha, 5298afaf5a2dSDavid Somayajulu "[ERROR] Failed to allocate memory for adapter\n"); 5299afaf5a2dSDavid Somayajulu 5300afaf5a2dSDavid Somayajulu ret = -ENOMEM; 5301afaf5a2dSDavid Somayajulu goto probe_failed; 5302afaf5a2dSDavid Somayajulu } 5303afaf5a2dSDavid Somayajulu 5304b3a271a9SManish Rangankar host->cmd_per_lun = 3; 5305b3a271a9SManish Rangankar host->max_channel = 0; 5306b3a271a9SManish Rangankar host->max_lun = MAX_LUNS - 1; 5307b3a271a9SManish Rangankar host->max_id = MAX_TARGETS; 5308b3a271a9SManish Rangankar host->max_cmd_len = IOCB_MAX_CDB_LEN; 5309b3a271a9SManish Rangankar host->can_queue = MAX_SRBS ; 5310b3a271a9SManish Rangankar host->transportt = qla4xxx_scsi_transport; 5311b3a271a9SManish Rangankar 5312b3a271a9SManish Rangankar ret = scsi_init_shared_tag_map(host, MAX_SRBS); 5313b3a271a9SManish Rangankar if (ret) { 5314b3a271a9SManish Rangankar ql4_printk(KERN_WARNING, ha, 5315b3a271a9SManish Rangankar "%s: scsi_init_shared_tag_map failed\n", __func__); 5316b3a271a9SManish Rangankar goto probe_failed; 5317b3a271a9SManish Rangankar } 5318b3a271a9SManish Rangankar 5319b3a271a9SManish Rangankar pci_set_drvdata(pdev, ha); 5320b3a271a9SManish Rangankar 5321b3a271a9SManish Rangankar ret = scsi_add_host(host, &pdev->dev); 5322b3a271a9SManish Rangankar if (ret) 5323b3a271a9SManish Rangankar goto probe_failed; 5324b3a271a9SManish Rangankar 53256e7b4292SVikas Chaudhary if (is_qla80XX(ha)) 53266e7b4292SVikas Chaudhary qla4_8xxx_get_flash_info(ha); 53276e7b4292SVikas Chaudhary 53286e7b4292SVikas Chaudhary if (is_qla8032(ha)) { 53296e7b4292SVikas Chaudhary qla4_83xx_read_reset_template(ha); 53306e7b4292SVikas Chaudhary /* 53316e7b4292SVikas Chaudhary * NOTE: If ql4dontresethba==1, set IDC_CTRL DONTRESET_BIT0. 53326e7b4292SVikas Chaudhary * If DONRESET_BIT0 is set, drivers should not set dev_state 53336e7b4292SVikas Chaudhary * to NEED_RESET. But if NEED_RESET is set, drivers should 53346e7b4292SVikas Chaudhary * should honor the reset. 53356e7b4292SVikas Chaudhary */ 53366e7b4292SVikas Chaudhary if (ql4xdontresethba == 1) 53376e7b4292SVikas Chaudhary qla4_83xx_set_idc_dontreset(ha); 53386e7b4292SVikas Chaudhary } 5339f4f5df23SVikas Chaudhary 5340afaf5a2dSDavid Somayajulu /* 5341afaf5a2dSDavid Somayajulu * Initialize the Host adapter request/response queues and 5342afaf5a2dSDavid Somayajulu * firmware 5343afaf5a2dSDavid Somayajulu * NOTE: interrupts enabled upon successful completion 5344afaf5a2dSDavid Somayajulu */ 534513483730SMike Christie status = qla4xxx_initialize_adapter(ha, INIT_ADAPTER); 53467977f825SPoornima Vonti 53477977f825SPoornima Vonti /* Dont retry adapter initialization if IRQ allocation failed */ 534817801c96SNilesh Javali if (is_qla80XX(ha) && !test_bit(AF_IRQ_ATTACHED, &ha->flags)) { 534917801c96SNilesh Javali ql4_printk(KERN_WARNING, ha, "%s: Skipping retry of adapter initialization\n", 535017801c96SNilesh Javali __func__); 53517977f825SPoornima Vonti goto skip_retry_init; 535217801c96SNilesh Javali } 53537977f825SPoornima Vonti 5354f4f5df23SVikas Chaudhary while ((!test_bit(AF_ONLINE, &ha->flags)) && 5355f4f5df23SVikas Chaudhary init_retry_count++ < MAX_INIT_RETRIES) { 5356f9880e76SPrasanna Mumbai 53576e7b4292SVikas Chaudhary if (is_qla80XX(ha)) { 535833693c7aSVikas Chaudhary ha->isp_ops->idc_lock(ha); 535933693c7aSVikas Chaudhary dev_state = qla4_8xxx_rd_direct(ha, 5360e951aca1SVikas Chaudhary QLA8XXX_CRB_DEV_STATE); 536133693c7aSVikas Chaudhary ha->isp_ops->idc_unlock(ha); 5362de8c72daSVikas Chaudhary if (dev_state == QLA8XXX_DEV_FAILED) { 5363f9880e76SPrasanna Mumbai ql4_printk(KERN_WARNING, ha, "%s: don't retry " 5364f9880e76SPrasanna Mumbai "initialize adapter. H/W is in failed state\n", 5365f9880e76SPrasanna Mumbai __func__); 5366f9880e76SPrasanna Mumbai break; 5367f9880e76SPrasanna Mumbai } 5368f9880e76SPrasanna Mumbai } 5369afaf5a2dSDavid Somayajulu DEBUG2(printk("scsi: %s: retrying adapter initialization " 5370afaf5a2dSDavid Somayajulu "(%d)\n", __func__, init_retry_count)); 5371f4f5df23SVikas Chaudhary 5372f4f5df23SVikas Chaudhary if (ha->isp_ops->reset_chip(ha) == QLA_ERROR) 5373f4f5df23SVikas Chaudhary continue; 5374f4f5df23SVikas Chaudhary 537513483730SMike Christie status = qla4xxx_initialize_adapter(ha, INIT_ADAPTER); 5376afaf5a2dSDavid Somayajulu } 5377f4f5df23SVikas Chaudhary 53787977f825SPoornima Vonti skip_retry_init: 5379f4f5df23SVikas Chaudhary if (!test_bit(AF_ONLINE, &ha->flags)) { 5380c2660df3SVikas Chaudhary ql4_printk(KERN_WARNING, ha, "Failed to initialize adapter\n"); 5381afaf5a2dSDavid Somayajulu 53826e7b4292SVikas Chaudhary if ((is_qla8022(ha) && ql4xdontresethba) || 53836e7b4292SVikas Chaudhary (is_qla8032(ha) && qla4_83xx_idc_dontreset(ha))) { 5384fe998527SLalit Chandivade /* Put the device in failed state. */ 5385fe998527SLalit Chandivade DEBUG2(printk(KERN_ERR "HW STATE: FAILED\n")); 538633693c7aSVikas Chaudhary ha->isp_ops->idc_lock(ha); 538733693c7aSVikas Chaudhary qla4_8xxx_wr_direct(ha, QLA8XXX_CRB_DEV_STATE, 5388de8c72daSVikas Chaudhary QLA8XXX_DEV_FAILED); 538933693c7aSVikas Chaudhary ha->isp_ops->idc_unlock(ha); 5390fe998527SLalit Chandivade } 5391afaf5a2dSDavid Somayajulu ret = -ENODEV; 5392b3a271a9SManish Rangankar goto remove_host; 5393afaf5a2dSDavid Somayajulu } 5394afaf5a2dSDavid Somayajulu 5395afaf5a2dSDavid Somayajulu /* Startup the kernel thread for this host adapter. */ 5396afaf5a2dSDavid Somayajulu DEBUG2(printk("scsi: %s: Starting kernel thread for " 5397afaf5a2dSDavid Somayajulu "qla4xxx_dpc\n", __func__)); 5398afaf5a2dSDavid Somayajulu sprintf(buf, "qla4xxx_%lu_dpc", ha->host_no); 5399afaf5a2dSDavid Somayajulu ha->dpc_thread = create_singlethread_workqueue(buf); 5400afaf5a2dSDavid Somayajulu if (!ha->dpc_thread) { 5401c2660df3SVikas Chaudhary ql4_printk(KERN_WARNING, ha, "Unable to start DPC thread!\n"); 5402afaf5a2dSDavid Somayajulu ret = -ENODEV; 5403b3a271a9SManish Rangankar goto remove_host; 5404afaf5a2dSDavid Somayajulu } 5405c4028958SDavid Howells INIT_WORK(&ha->dpc_work, qla4xxx_do_dpc); 5406afaf5a2dSDavid Somayajulu 5407b3a271a9SManish Rangankar sprintf(buf, "qla4xxx_%lu_task", ha->host_no); 5408b3a271a9SManish Rangankar ha->task_wq = alloc_workqueue(buf, WQ_MEM_RECLAIM, 1); 5409b3a271a9SManish Rangankar if (!ha->task_wq) { 5410b3a271a9SManish Rangankar ql4_printk(KERN_WARNING, ha, "Unable to start task thread!\n"); 5411b3a271a9SManish Rangankar ret = -ENODEV; 5412b3a271a9SManish Rangankar goto remove_host; 5413b3a271a9SManish Rangankar } 5414b3a271a9SManish Rangankar 54156e7b4292SVikas Chaudhary /* 54166e7b4292SVikas Chaudhary * For ISP-8XXX, request_irqs is called in qla4_8xxx_load_risc 5417f4f5df23SVikas Chaudhary * (which is called indirectly by qla4xxx_initialize_adapter), 5418f4f5df23SVikas Chaudhary * so that irqs will be registered after crbinit but before 5419f4f5df23SVikas Chaudhary * mbx_intr_enable. 5420f4f5df23SVikas Chaudhary */ 5421ee996a69SVikas Chaudhary if (is_qla40XX(ha)) { 5422f4f5df23SVikas Chaudhary ret = qla4xxx_request_irqs(ha); 5423afaf5a2dSDavid Somayajulu if (ret) { 5424f4f5df23SVikas Chaudhary ql4_printk(KERN_WARNING, ha, "Failed to reserve " 5425f4f5df23SVikas Chaudhary "interrupt %d already in use.\n", pdev->irq); 5426b3a271a9SManish Rangankar goto remove_host; 5427afaf5a2dSDavid Somayajulu } 5428f4f5df23SVikas Chaudhary } 5429afaf5a2dSDavid Somayajulu 54302232be0dSLalit Chandivade pci_save_state(ha->pdev); 5431f4f5df23SVikas Chaudhary ha->isp_ops->enable_intrs(ha); 5432afaf5a2dSDavid Somayajulu 5433afaf5a2dSDavid Somayajulu /* Start timer thread. */ 5434afaf5a2dSDavid Somayajulu qla4xxx_start_timer(ha, qla4xxx_timer, 1); 5435afaf5a2dSDavid Somayajulu 5436afaf5a2dSDavid Somayajulu set_bit(AF_INIT_DONE, &ha->flags); 5437afaf5a2dSDavid Somayajulu 5438068237c8STej Parkash qla4_8xxx_alloc_sysfs_attr(ha); 5439068237c8STej Parkash 5440afaf5a2dSDavid Somayajulu printk(KERN_INFO 5441afaf5a2dSDavid Somayajulu " QLogic iSCSI HBA Driver version: %s\n" 5442afaf5a2dSDavid Somayajulu " QLogic ISP%04x @ %s, host#=%ld, fw=%02d.%02d.%02d.%02d\n", 5443afaf5a2dSDavid Somayajulu qla4xxx_version_str, ha->pdev->device, pci_name(ha->pdev), 5444afaf5a2dSDavid Somayajulu ha->host_no, ha->firmware_version[0], ha->firmware_version[1], 5445afaf5a2dSDavid Somayajulu ha->patch_number, ha->build_number); 5446ed1086e0SVikas Chaudhary 5447cfb27874SManish Dusane /* Set the driver version */ 5448cfb27874SManish Dusane if (is_qla80XX(ha)) 5449cfb27874SManish Dusane qla4_8xxx_set_param(ha, SET_DRVR_VERSION); 5450cfb27874SManish Dusane 54512a991c21SManish Rangankar if (qla4xxx_setup_boot_info(ha)) 54523573bfb2SVikas Chaudhary ql4_printk(KERN_ERR, ha, 54533573bfb2SVikas Chaudhary "%s: No iSCSI boot target configured\n", __func__); 54542a991c21SManish Rangankar 545513483730SMike Christie /* Perform the build ddb list and login to each */ 545613483730SMike Christie qla4xxx_build_ddb_list(ha, INIT_ADAPTER); 545713483730SMike Christie iscsi_host_for_each_session(ha->host, qla4xxx_login_flash_ddb); 54581dc8ed5dSManish Rangankar qla4xxx_wait_login_resp_boot_tgt(ha); 545913483730SMike Christie 546013483730SMike Christie qla4xxx_create_chap_list(ha); 546113483730SMike Christie 5462ed1086e0SVikas Chaudhary qla4xxx_create_ifaces(ha); 5463afaf5a2dSDavid Somayajulu return 0; 5464afaf5a2dSDavid Somayajulu 5465b3a271a9SManish Rangankar remove_host: 5466b3a271a9SManish Rangankar scsi_remove_host(ha->host); 5467b3a271a9SManish Rangankar 5468afaf5a2dSDavid Somayajulu probe_failed: 5469afaf5a2dSDavid Somayajulu qla4xxx_free_adapter(ha); 5470f4f5df23SVikas Chaudhary 5471f4f5df23SVikas Chaudhary probe_failed_ioconfig: 54722232be0dSLalit Chandivade pci_disable_pcie_error_reporting(pdev); 5473afaf5a2dSDavid Somayajulu scsi_host_put(ha->host); 5474afaf5a2dSDavid Somayajulu 5475afaf5a2dSDavid Somayajulu probe_disable_device: 5476afaf5a2dSDavid Somayajulu pci_disable_device(pdev); 5477afaf5a2dSDavid Somayajulu 5478afaf5a2dSDavid Somayajulu return ret; 5479afaf5a2dSDavid Somayajulu } 5480afaf5a2dSDavid Somayajulu 5481afaf5a2dSDavid Somayajulu /** 54827eece5a0SKaren Higgins * qla4xxx_prevent_other_port_reinit - prevent other port from re-initialize 54837eece5a0SKaren Higgins * @ha: pointer to adapter structure 54847eece5a0SKaren Higgins * 54857eece5a0SKaren Higgins * Mark the other ISP-4xxx port to indicate that the driver is being removed, 54867eece5a0SKaren Higgins * so that the other port will not re-initialize while in the process of 54877eece5a0SKaren Higgins * removing the ha due to driver unload or hba hotplug. 54887eece5a0SKaren Higgins **/ 54897eece5a0SKaren Higgins static void qla4xxx_prevent_other_port_reinit(struct scsi_qla_host *ha) 54907eece5a0SKaren Higgins { 54917eece5a0SKaren Higgins struct scsi_qla_host *other_ha = NULL; 54927eece5a0SKaren Higgins struct pci_dev *other_pdev = NULL; 54937eece5a0SKaren Higgins int fn = ISP4XXX_PCI_FN_2; 54947eece5a0SKaren Higgins 54957eece5a0SKaren Higgins /*iscsi function numbers for ISP4xxx is 1 and 3*/ 54967eece5a0SKaren Higgins if (PCI_FUNC(ha->pdev->devfn) & BIT_1) 54977eece5a0SKaren Higgins fn = ISP4XXX_PCI_FN_1; 54987eece5a0SKaren Higgins 54997eece5a0SKaren Higgins other_pdev = 55007eece5a0SKaren Higgins pci_get_domain_bus_and_slot(pci_domain_nr(ha->pdev->bus), 55017eece5a0SKaren Higgins ha->pdev->bus->number, PCI_DEVFN(PCI_SLOT(ha->pdev->devfn), 55027eece5a0SKaren Higgins fn)); 55037eece5a0SKaren Higgins 55047eece5a0SKaren Higgins /* Get other_ha if other_pdev is valid and state is enable*/ 55057eece5a0SKaren Higgins if (other_pdev) { 55067eece5a0SKaren Higgins if (atomic_read(&other_pdev->enable_cnt)) { 55077eece5a0SKaren Higgins other_ha = pci_get_drvdata(other_pdev); 55087eece5a0SKaren Higgins if (other_ha) { 55097eece5a0SKaren Higgins set_bit(AF_HA_REMOVAL, &other_ha->flags); 55107eece5a0SKaren Higgins DEBUG2(ql4_printk(KERN_INFO, ha, "%s: " 55117eece5a0SKaren Higgins "Prevent %s reinit\n", __func__, 55127eece5a0SKaren Higgins dev_name(&other_ha->pdev->dev))); 55137eece5a0SKaren Higgins } 55147eece5a0SKaren Higgins } 55157eece5a0SKaren Higgins pci_dev_put(other_pdev); 55167eece5a0SKaren Higgins } 55177eece5a0SKaren Higgins } 55187eece5a0SKaren Higgins 551913483730SMike Christie static void qla4xxx_destroy_fw_ddb_session(struct scsi_qla_host *ha) 552013483730SMike Christie { 552113483730SMike Christie struct ddb_entry *ddb_entry; 552213483730SMike Christie int options; 552313483730SMike Christie int idx; 552413483730SMike Christie 552513483730SMike Christie for (idx = 0; idx < MAX_DDB_ENTRIES; idx++) { 552613483730SMike Christie 552713483730SMike Christie ddb_entry = qla4xxx_lookup_ddb_by_fw_index(ha, idx); 552813483730SMike Christie if ((ddb_entry != NULL) && 552913483730SMike Christie (ddb_entry->ddb_type == FLASH_DDB)) { 553013483730SMike Christie 553113483730SMike Christie options = LOGOUT_OPTION_CLOSE_SESSION; 553213483730SMike Christie if (qla4xxx_session_logout_ddb(ha, ddb_entry, options) 553313483730SMike Christie == QLA_ERROR) 553413483730SMike Christie ql4_printk(KERN_ERR, ha, "%s: Logout failed\n", 553513483730SMike Christie __func__); 553613483730SMike Christie 553713483730SMike Christie qla4xxx_clear_ddb_entry(ha, ddb_entry->fw_ddb_index); 553813483730SMike Christie /* 553913483730SMike Christie * we have decremented the reference count of the driver 554013483730SMike Christie * when we setup the session to have the driver unload 554113483730SMike Christie * to be seamless without actually destroying the 554213483730SMike Christie * session 554313483730SMike Christie **/ 554413483730SMike Christie try_module_get(qla4xxx_iscsi_transport.owner); 554513483730SMike Christie iscsi_destroy_endpoint(ddb_entry->conn->ep); 554613483730SMike Christie qla4xxx_free_ddb(ha, ddb_entry); 554713483730SMike Christie iscsi_session_teardown(ddb_entry->sess); 554813483730SMike Christie } 554913483730SMike Christie } 555013483730SMike Christie } 55517eece5a0SKaren Higgins /** 555259e13d48SMasanari Iida * qla4xxx_remove_adapter - callback function to remove adapter. 5553afaf5a2dSDavid Somayajulu * @pci_dev: PCI device pointer 5554afaf5a2dSDavid Somayajulu **/ 55556f039790SGreg Kroah-Hartman static void qla4xxx_remove_adapter(struct pci_dev *pdev) 5556afaf5a2dSDavid Somayajulu { 5557afaf5a2dSDavid Somayajulu struct scsi_qla_host *ha; 5558afaf5a2dSDavid Somayajulu 5559f8b0751dSVikas Chaudhary /* 5560f8b0751dSVikas Chaudhary * If the PCI device is disabled then it means probe_adapter had 5561f8b0751dSVikas Chaudhary * failed and resources already cleaned up on probe_adapter exit. 5562f8b0751dSVikas Chaudhary */ 5563f8b0751dSVikas Chaudhary if (!pci_is_enabled(pdev)) 5564f8b0751dSVikas Chaudhary return; 5565f8b0751dSVikas Chaudhary 5566afaf5a2dSDavid Somayajulu ha = pci_get_drvdata(pdev); 5567afaf5a2dSDavid Somayajulu 5568ee996a69SVikas Chaudhary if (is_qla40XX(ha)) 55697eece5a0SKaren Higgins qla4xxx_prevent_other_port_reinit(ha); 5570bee4fe8eSDavid C Somayajulu 5571ed1086e0SVikas Chaudhary /* destroy iface from sysfs */ 5572ed1086e0SVikas Chaudhary qla4xxx_destroy_ifaces(ha); 5573ed1086e0SVikas Chaudhary 557413483730SMike Christie if ((!ql4xdisablesysfsboot) && ha->boot_kset) 55752a991c21SManish Rangankar iscsi_boot_destroy_kset(ha->boot_kset); 55762a991c21SManish Rangankar 557713483730SMike Christie qla4xxx_destroy_fw_ddb_session(ha); 5578068237c8STej Parkash qla4_8xxx_free_sysfs_attr(ha); 557913483730SMike Christie 5580afaf5a2dSDavid Somayajulu scsi_remove_host(ha->host); 5581afaf5a2dSDavid Somayajulu 5582afaf5a2dSDavid Somayajulu qla4xxx_free_adapter(ha); 5583afaf5a2dSDavid Somayajulu 5584afaf5a2dSDavid Somayajulu scsi_host_put(ha->host); 5585afaf5a2dSDavid Somayajulu 55862232be0dSLalit Chandivade pci_disable_pcie_error_reporting(pdev); 5587f4f5df23SVikas Chaudhary pci_disable_device(pdev); 5588afaf5a2dSDavid Somayajulu pci_set_drvdata(pdev, NULL); 5589afaf5a2dSDavid Somayajulu } 5590afaf5a2dSDavid Somayajulu 5591afaf5a2dSDavid Somayajulu /** 5592afaf5a2dSDavid Somayajulu * qla4xxx_config_dma_addressing() - Configure OS DMA addressing method. 5593afaf5a2dSDavid Somayajulu * @ha: HA context 5594afaf5a2dSDavid Somayajulu * 5595afaf5a2dSDavid Somayajulu * At exit, the @ha's flags.enable_64bit_addressing set to indicated 5596afaf5a2dSDavid Somayajulu * supported addressing method. 5597afaf5a2dSDavid Somayajulu */ 559847975477SAdrian Bunk static void qla4xxx_config_dma_addressing(struct scsi_qla_host *ha) 5599afaf5a2dSDavid Somayajulu { 5600afaf5a2dSDavid Somayajulu int retval; 5601afaf5a2dSDavid Somayajulu 5602afaf5a2dSDavid Somayajulu /* Update our PCI device dma_mask for full 64 bit mask */ 56036a35528aSYang Hongyang if (pci_set_dma_mask(ha->pdev, DMA_BIT_MASK(64)) == 0) { 56046a35528aSYang Hongyang if (pci_set_consistent_dma_mask(ha->pdev, DMA_BIT_MASK(64))) { 5605afaf5a2dSDavid Somayajulu dev_dbg(&ha->pdev->dev, 5606afaf5a2dSDavid Somayajulu "Failed to set 64 bit PCI consistent mask; " 5607afaf5a2dSDavid Somayajulu "using 32 bit.\n"); 5608afaf5a2dSDavid Somayajulu retval = pci_set_consistent_dma_mask(ha->pdev, 5609284901a9SYang Hongyang DMA_BIT_MASK(32)); 5610afaf5a2dSDavid Somayajulu } 5611afaf5a2dSDavid Somayajulu } else 5612284901a9SYang Hongyang retval = pci_set_dma_mask(ha->pdev, DMA_BIT_MASK(32)); 5613afaf5a2dSDavid Somayajulu } 5614afaf5a2dSDavid Somayajulu 5615afaf5a2dSDavid Somayajulu static int qla4xxx_slave_alloc(struct scsi_device *sdev) 5616afaf5a2dSDavid Somayajulu { 5617b3a271a9SManish Rangankar struct iscsi_cls_session *cls_sess; 5618b3a271a9SManish Rangankar struct iscsi_session *sess; 5619b3a271a9SManish Rangankar struct ddb_entry *ddb; 56208bb4033dSVikas Chaudhary int queue_depth = QL4_DEF_QDEPTH; 5621afaf5a2dSDavid Somayajulu 5622b3a271a9SManish Rangankar cls_sess = starget_to_session(sdev->sdev_target); 5623b3a271a9SManish Rangankar sess = cls_sess->dd_data; 5624b3a271a9SManish Rangankar ddb = sess->dd_data; 5625b3a271a9SManish Rangankar 5626afaf5a2dSDavid Somayajulu sdev->hostdata = ddb; 5627afaf5a2dSDavid Somayajulu sdev->tagged_supported = 1; 56288bb4033dSVikas Chaudhary 56298bb4033dSVikas Chaudhary if (ql4xmaxqdepth != 0 && ql4xmaxqdepth <= 0xffffU) 56308bb4033dSVikas Chaudhary queue_depth = ql4xmaxqdepth; 56318bb4033dSVikas Chaudhary 56328bb4033dSVikas Chaudhary scsi_activate_tcq(sdev, queue_depth); 5633afaf5a2dSDavid Somayajulu return 0; 5634afaf5a2dSDavid Somayajulu } 5635afaf5a2dSDavid Somayajulu 5636afaf5a2dSDavid Somayajulu static int qla4xxx_slave_configure(struct scsi_device *sdev) 5637afaf5a2dSDavid Somayajulu { 5638afaf5a2dSDavid Somayajulu sdev->tagged_supported = 1; 5639afaf5a2dSDavid Somayajulu return 0; 5640afaf5a2dSDavid Somayajulu } 5641afaf5a2dSDavid Somayajulu 5642afaf5a2dSDavid Somayajulu static void qla4xxx_slave_destroy(struct scsi_device *sdev) 5643afaf5a2dSDavid Somayajulu { 5644afaf5a2dSDavid Somayajulu scsi_deactivate_tcq(sdev, 1); 5645afaf5a2dSDavid Somayajulu } 5646afaf5a2dSDavid Somayajulu 5647f7b4aa63STej Parkash static int qla4xxx_change_queue_depth(struct scsi_device *sdev, int qdepth, 5648f7b4aa63STej Parkash int reason) 5649f7b4aa63STej Parkash { 5650f7b4aa63STej Parkash if (!ql4xqfulltracking) 5651f7b4aa63STej Parkash return -EOPNOTSUPP; 5652f7b4aa63STej Parkash 5653f7b4aa63STej Parkash return iscsi_change_queue_depth(sdev, qdepth, reason); 5654f7b4aa63STej Parkash } 5655f7b4aa63STej Parkash 5656afaf5a2dSDavid Somayajulu /** 5657afaf5a2dSDavid Somayajulu * qla4xxx_del_from_active_array - returns an active srb 5658afaf5a2dSDavid Somayajulu * @ha: Pointer to host adapter structure. 5659fd589a8fSAnand Gadiyar * @index: index into the active_array 5660afaf5a2dSDavid Somayajulu * 5661afaf5a2dSDavid Somayajulu * This routine removes and returns the srb at the specified index 5662afaf5a2dSDavid Somayajulu **/ 5663f4f5df23SVikas Chaudhary struct srb *qla4xxx_del_from_active_array(struct scsi_qla_host *ha, 5664f4f5df23SVikas Chaudhary uint32_t index) 5665afaf5a2dSDavid Somayajulu { 5666afaf5a2dSDavid Somayajulu struct srb *srb = NULL; 56675369887aSVikas Chaudhary struct scsi_cmnd *cmd = NULL; 5668afaf5a2dSDavid Somayajulu 56695369887aSVikas Chaudhary cmd = scsi_host_find_tag(ha->host, index); 56705369887aSVikas Chaudhary if (!cmd) 5671afaf5a2dSDavid Somayajulu return srb; 5672afaf5a2dSDavid Somayajulu 56735369887aSVikas Chaudhary srb = (struct srb *)CMD_SP(cmd); 56745369887aSVikas Chaudhary if (!srb) 5675afaf5a2dSDavid Somayajulu return srb; 5676afaf5a2dSDavid Somayajulu 5677afaf5a2dSDavid Somayajulu /* update counters */ 5678afaf5a2dSDavid Somayajulu if (srb->flags & SRB_DMA_VALID) { 5679afaf5a2dSDavid Somayajulu ha->iocb_cnt -= srb->iocb_cnt; 5680afaf5a2dSDavid Somayajulu if (srb->cmd) 56815369887aSVikas Chaudhary srb->cmd->host_scribble = 56825369887aSVikas Chaudhary (unsigned char *)(unsigned long) MAX_SRBS; 5683afaf5a2dSDavid Somayajulu } 5684afaf5a2dSDavid Somayajulu return srb; 5685afaf5a2dSDavid Somayajulu } 5686afaf5a2dSDavid Somayajulu 5687afaf5a2dSDavid Somayajulu /** 5688afaf5a2dSDavid Somayajulu * qla4xxx_eh_wait_on_command - waits for command to be returned by firmware 568909a0f719SVikas Chaudhary * @ha: Pointer to host adapter structure. 5690afaf5a2dSDavid Somayajulu * @cmd: Scsi Command to wait on. 5691afaf5a2dSDavid Somayajulu * 5692afaf5a2dSDavid Somayajulu * This routine waits for the command to be returned by the Firmware 5693afaf5a2dSDavid Somayajulu * for some max time. 5694afaf5a2dSDavid Somayajulu **/ 5695afaf5a2dSDavid Somayajulu static int qla4xxx_eh_wait_on_command(struct scsi_qla_host *ha, 5696afaf5a2dSDavid Somayajulu struct scsi_cmnd *cmd) 5697afaf5a2dSDavid Somayajulu { 5698afaf5a2dSDavid Somayajulu int done = 0; 5699afaf5a2dSDavid Somayajulu struct srb *rp; 5700afaf5a2dSDavid Somayajulu uint32_t max_wait_time = EH_WAIT_CMD_TOV; 57012232be0dSLalit Chandivade int ret = SUCCESS; 57022232be0dSLalit Chandivade 57032232be0dSLalit Chandivade /* Dont wait on command if PCI error is being handled 57042232be0dSLalit Chandivade * by PCI AER driver 57052232be0dSLalit Chandivade */ 57062232be0dSLalit Chandivade if (unlikely(pci_channel_offline(ha->pdev)) || 57072232be0dSLalit Chandivade (test_bit(AF_EEH_BUSY, &ha->flags))) { 57082232be0dSLalit Chandivade ql4_printk(KERN_WARNING, ha, "scsi%ld: Return from %s\n", 57092232be0dSLalit Chandivade ha->host_no, __func__); 57102232be0dSLalit Chandivade return ret; 57112232be0dSLalit Chandivade } 5712afaf5a2dSDavid Somayajulu 5713afaf5a2dSDavid Somayajulu do { 5714afaf5a2dSDavid Somayajulu /* Checking to see if its returned to OS */ 57155369887aSVikas Chaudhary rp = (struct srb *) CMD_SP(cmd); 5716afaf5a2dSDavid Somayajulu if (rp == NULL) { 5717afaf5a2dSDavid Somayajulu done++; 5718afaf5a2dSDavid Somayajulu break; 5719afaf5a2dSDavid Somayajulu } 5720afaf5a2dSDavid Somayajulu 5721afaf5a2dSDavid Somayajulu msleep(2000); 5722afaf5a2dSDavid Somayajulu } while (max_wait_time--); 5723afaf5a2dSDavid Somayajulu 5724afaf5a2dSDavid Somayajulu return done; 5725afaf5a2dSDavid Somayajulu } 5726afaf5a2dSDavid Somayajulu 5727afaf5a2dSDavid Somayajulu /** 5728afaf5a2dSDavid Somayajulu * qla4xxx_wait_for_hba_online - waits for HBA to come online 5729afaf5a2dSDavid Somayajulu * @ha: Pointer to host adapter structure 5730afaf5a2dSDavid Somayajulu **/ 5731afaf5a2dSDavid Somayajulu static int qla4xxx_wait_for_hba_online(struct scsi_qla_host *ha) 5732afaf5a2dSDavid Somayajulu { 5733afaf5a2dSDavid Somayajulu unsigned long wait_online; 5734afaf5a2dSDavid Somayajulu 5735f581a3f7SVikas Chaudhary wait_online = jiffies + (HBA_ONLINE_TOV * HZ); 5736afaf5a2dSDavid Somayajulu while (time_before(jiffies, wait_online)) { 5737afaf5a2dSDavid Somayajulu 5738afaf5a2dSDavid Somayajulu if (adapter_up(ha)) 5739afaf5a2dSDavid Somayajulu return QLA_SUCCESS; 5740afaf5a2dSDavid Somayajulu 5741afaf5a2dSDavid Somayajulu msleep(2000); 5742afaf5a2dSDavid Somayajulu } 5743afaf5a2dSDavid Somayajulu 5744afaf5a2dSDavid Somayajulu return QLA_ERROR; 5745afaf5a2dSDavid Somayajulu } 5746afaf5a2dSDavid Somayajulu 5747afaf5a2dSDavid Somayajulu /** 5748ce545039SMike Christie * qla4xxx_eh_wait_for_commands - wait for active cmds to finish. 5749fd589a8fSAnand Gadiyar * @ha: pointer to HBA 5750afaf5a2dSDavid Somayajulu * @t: target id 5751afaf5a2dSDavid Somayajulu * @l: lun id 5752afaf5a2dSDavid Somayajulu * 5753afaf5a2dSDavid Somayajulu * This function waits for all outstanding commands to a lun to complete. It 5754afaf5a2dSDavid Somayajulu * returns 0 if all pending commands are returned and 1 otherwise. 5755afaf5a2dSDavid Somayajulu **/ 5756ce545039SMike Christie static int qla4xxx_eh_wait_for_commands(struct scsi_qla_host *ha, 5757ce545039SMike Christie struct scsi_target *stgt, 5758ce545039SMike Christie struct scsi_device *sdev) 5759afaf5a2dSDavid Somayajulu { 5760afaf5a2dSDavid Somayajulu int cnt; 5761afaf5a2dSDavid Somayajulu int status = 0; 5762afaf5a2dSDavid Somayajulu struct scsi_cmnd *cmd; 5763afaf5a2dSDavid Somayajulu 5764afaf5a2dSDavid Somayajulu /* 5765ce545039SMike Christie * Waiting for all commands for the designated target or dev 5766ce545039SMike Christie * in the active array 5767afaf5a2dSDavid Somayajulu */ 5768afaf5a2dSDavid Somayajulu for (cnt = 0; cnt < ha->host->can_queue; cnt++) { 5769afaf5a2dSDavid Somayajulu cmd = scsi_host_find_tag(ha->host, cnt); 5770ce545039SMike Christie if (cmd && stgt == scsi_target(cmd->device) && 5771ce545039SMike Christie (!sdev || sdev == cmd->device)) { 5772afaf5a2dSDavid Somayajulu if (!qla4xxx_eh_wait_on_command(ha, cmd)) { 5773afaf5a2dSDavid Somayajulu status++; 5774afaf5a2dSDavid Somayajulu break; 5775afaf5a2dSDavid Somayajulu } 5776afaf5a2dSDavid Somayajulu } 5777afaf5a2dSDavid Somayajulu } 5778afaf5a2dSDavid Somayajulu return status; 5779afaf5a2dSDavid Somayajulu } 5780afaf5a2dSDavid Somayajulu 5781afaf5a2dSDavid Somayajulu /** 578209a0f719SVikas Chaudhary * qla4xxx_eh_abort - callback for abort task. 578309a0f719SVikas Chaudhary * @cmd: Pointer to Linux's SCSI command structure 578409a0f719SVikas Chaudhary * 578509a0f719SVikas Chaudhary * This routine is called by the Linux OS to abort the specified 578609a0f719SVikas Chaudhary * command. 578709a0f719SVikas Chaudhary **/ 578809a0f719SVikas Chaudhary static int qla4xxx_eh_abort(struct scsi_cmnd *cmd) 578909a0f719SVikas Chaudhary { 579009a0f719SVikas Chaudhary struct scsi_qla_host *ha = to_qla_host(cmd->device->host); 579109a0f719SVikas Chaudhary unsigned int id = cmd->device->id; 579209a0f719SVikas Chaudhary unsigned int lun = cmd->device->lun; 579392b3e5bbSMike Christie unsigned long flags; 579409a0f719SVikas Chaudhary struct srb *srb = NULL; 579509a0f719SVikas Chaudhary int ret = SUCCESS; 579609a0f719SVikas Chaudhary int wait = 0; 579709a0f719SVikas Chaudhary 5798c2660df3SVikas Chaudhary ql4_printk(KERN_INFO, ha, 57995cd049a5SChristoph Hellwig "scsi%ld:%d:%d: Abort command issued cmd=%p\n", 58005cd049a5SChristoph Hellwig ha->host_no, id, lun, cmd); 580109a0f719SVikas Chaudhary 580292b3e5bbSMike Christie spin_lock_irqsave(&ha->hardware_lock, flags); 580309a0f719SVikas Chaudhary srb = (struct srb *) CMD_SP(cmd); 580492b3e5bbSMike Christie if (!srb) { 580592b3e5bbSMike Christie spin_unlock_irqrestore(&ha->hardware_lock, flags); 580609a0f719SVikas Chaudhary return SUCCESS; 580792b3e5bbSMike Christie } 580809a0f719SVikas Chaudhary kref_get(&srb->srb_ref); 580992b3e5bbSMike Christie spin_unlock_irqrestore(&ha->hardware_lock, flags); 581009a0f719SVikas Chaudhary 581109a0f719SVikas Chaudhary if (qla4xxx_abort_task(ha, srb) != QLA_SUCCESS) { 581209a0f719SVikas Chaudhary DEBUG3(printk("scsi%ld:%d:%d: Abort_task mbx failed.\n", 581309a0f719SVikas Chaudhary ha->host_no, id, lun)); 581409a0f719SVikas Chaudhary ret = FAILED; 581509a0f719SVikas Chaudhary } else { 581609a0f719SVikas Chaudhary DEBUG3(printk("scsi%ld:%d:%d: Abort_task mbx success.\n", 581709a0f719SVikas Chaudhary ha->host_no, id, lun)); 581809a0f719SVikas Chaudhary wait = 1; 581909a0f719SVikas Chaudhary } 582009a0f719SVikas Chaudhary 582109a0f719SVikas Chaudhary kref_put(&srb->srb_ref, qla4xxx_srb_compl); 582209a0f719SVikas Chaudhary 582309a0f719SVikas Chaudhary /* Wait for command to complete */ 582409a0f719SVikas Chaudhary if (wait) { 582509a0f719SVikas Chaudhary if (!qla4xxx_eh_wait_on_command(ha, cmd)) { 582609a0f719SVikas Chaudhary DEBUG2(printk("scsi%ld:%d:%d: Abort handler timed out\n", 582709a0f719SVikas Chaudhary ha->host_no, id, lun)); 582809a0f719SVikas Chaudhary ret = FAILED; 582909a0f719SVikas Chaudhary } 583009a0f719SVikas Chaudhary } 583109a0f719SVikas Chaudhary 5832c2660df3SVikas Chaudhary ql4_printk(KERN_INFO, ha, 583309a0f719SVikas Chaudhary "scsi%ld:%d:%d: Abort command - %s\n", 583425985edcSLucas De Marchi ha->host_no, id, lun, (ret == SUCCESS) ? "succeeded" : "failed"); 583509a0f719SVikas Chaudhary 583609a0f719SVikas Chaudhary return ret; 583709a0f719SVikas Chaudhary } 583809a0f719SVikas Chaudhary 583909a0f719SVikas Chaudhary /** 5840afaf5a2dSDavid Somayajulu * qla4xxx_eh_device_reset - callback for target reset. 5841afaf5a2dSDavid Somayajulu * @cmd: Pointer to Linux's SCSI command structure 5842afaf5a2dSDavid Somayajulu * 5843afaf5a2dSDavid Somayajulu * This routine is called by the Linux OS to reset all luns on the 5844afaf5a2dSDavid Somayajulu * specified target. 5845afaf5a2dSDavid Somayajulu **/ 5846afaf5a2dSDavid Somayajulu static int qla4xxx_eh_device_reset(struct scsi_cmnd *cmd) 5847afaf5a2dSDavid Somayajulu { 5848afaf5a2dSDavid Somayajulu struct scsi_qla_host *ha = to_qla_host(cmd->device->host); 5849afaf5a2dSDavid Somayajulu struct ddb_entry *ddb_entry = cmd->device->hostdata; 5850afaf5a2dSDavid Somayajulu int ret = FAILED, stat; 5851afaf5a2dSDavid Somayajulu 5852612f7348SKaren Higgins if (!ddb_entry) 5853afaf5a2dSDavid Somayajulu return ret; 5854afaf5a2dSDavid Somayajulu 5855c01be6dcSMike Christie ret = iscsi_block_scsi_eh(cmd); 5856c01be6dcSMike Christie if (ret) 5857c01be6dcSMike Christie return ret; 5858c01be6dcSMike Christie ret = FAILED; 5859c01be6dcSMike Christie 5860c2660df3SVikas Chaudhary ql4_printk(KERN_INFO, ha, 5861afaf5a2dSDavid Somayajulu "scsi%ld:%d:%d:%d: DEVICE RESET ISSUED.\n", ha->host_no, 5862afaf5a2dSDavid Somayajulu cmd->device->channel, cmd->device->id, cmd->device->lun); 5863afaf5a2dSDavid Somayajulu 5864afaf5a2dSDavid Somayajulu DEBUG2(printk(KERN_INFO 5865afaf5a2dSDavid Somayajulu "scsi%ld: DEVICE_RESET cmd=%p jiffies = 0x%lx, to=%x," 5866afaf5a2dSDavid Somayajulu "dpc_flags=%lx, status=%x allowed=%d\n", ha->host_no, 5867242f9dcbSJens Axboe cmd, jiffies, cmd->request->timeout / HZ, 5868afaf5a2dSDavid Somayajulu ha->dpc_flags, cmd->result, cmd->allowed)); 5869afaf5a2dSDavid Somayajulu 5870afaf5a2dSDavid Somayajulu /* FIXME: wait for hba to go online */ 5871afaf5a2dSDavid Somayajulu stat = qla4xxx_reset_lun(ha, ddb_entry, cmd->device->lun); 5872afaf5a2dSDavid Somayajulu if (stat != QLA_SUCCESS) { 5873c2660df3SVikas Chaudhary ql4_printk(KERN_INFO, ha, "DEVICE RESET FAILED. %d\n", stat); 5874afaf5a2dSDavid Somayajulu goto eh_dev_reset_done; 5875afaf5a2dSDavid Somayajulu } 5876afaf5a2dSDavid Somayajulu 5877ce545039SMike Christie if (qla4xxx_eh_wait_for_commands(ha, scsi_target(cmd->device), 5878ce545039SMike Christie cmd->device)) { 5879c2660df3SVikas Chaudhary ql4_printk(KERN_INFO, ha, 5880afaf5a2dSDavid Somayajulu "DEVICE RESET FAILED - waiting for " 5881afaf5a2dSDavid Somayajulu "commands.\n"); 5882afaf5a2dSDavid Somayajulu goto eh_dev_reset_done; 5883afaf5a2dSDavid Somayajulu } 5884afaf5a2dSDavid Somayajulu 58859d562913SDavid C Somayajulu /* Send marker. */ 58869d562913SDavid C Somayajulu if (qla4xxx_send_marker_iocb(ha, ddb_entry, cmd->device->lun, 58879d562913SDavid C Somayajulu MM_LUN_RESET) != QLA_SUCCESS) 58889d562913SDavid C Somayajulu goto eh_dev_reset_done; 58899d562913SDavid C Somayajulu 5890c2660df3SVikas Chaudhary ql4_printk(KERN_INFO, ha, 5891afaf5a2dSDavid Somayajulu "scsi(%ld:%d:%d:%d): DEVICE RESET SUCCEEDED.\n", 5892afaf5a2dSDavid Somayajulu ha->host_no, cmd->device->channel, cmd->device->id, 5893afaf5a2dSDavid Somayajulu cmd->device->lun); 5894afaf5a2dSDavid Somayajulu 5895afaf5a2dSDavid Somayajulu ret = SUCCESS; 5896afaf5a2dSDavid Somayajulu 5897afaf5a2dSDavid Somayajulu eh_dev_reset_done: 5898afaf5a2dSDavid Somayajulu 5899afaf5a2dSDavid Somayajulu return ret; 5900afaf5a2dSDavid Somayajulu } 5901afaf5a2dSDavid Somayajulu 5902afaf5a2dSDavid Somayajulu /** 5903ce545039SMike Christie * qla4xxx_eh_target_reset - callback for target reset. 5904ce545039SMike Christie * @cmd: Pointer to Linux's SCSI command structure 5905ce545039SMike Christie * 5906ce545039SMike Christie * This routine is called by the Linux OS to reset the target. 5907ce545039SMike Christie **/ 5908ce545039SMike Christie static int qla4xxx_eh_target_reset(struct scsi_cmnd *cmd) 5909ce545039SMike Christie { 5910ce545039SMike Christie struct scsi_qla_host *ha = to_qla_host(cmd->device->host); 5911ce545039SMike Christie struct ddb_entry *ddb_entry = cmd->device->hostdata; 5912c01be6dcSMike Christie int stat, ret; 5913ce545039SMike Christie 5914ce545039SMike Christie if (!ddb_entry) 5915ce545039SMike Christie return FAILED; 5916ce545039SMike Christie 5917c01be6dcSMike Christie ret = iscsi_block_scsi_eh(cmd); 5918c01be6dcSMike Christie if (ret) 5919c01be6dcSMike Christie return ret; 5920c01be6dcSMike Christie 5921ce545039SMike Christie starget_printk(KERN_INFO, scsi_target(cmd->device), 5922ce545039SMike Christie "WARM TARGET RESET ISSUED.\n"); 5923ce545039SMike Christie 5924ce545039SMike Christie DEBUG2(printk(KERN_INFO 5925ce545039SMike Christie "scsi%ld: TARGET_DEVICE_RESET cmd=%p jiffies = 0x%lx, " 5926ce545039SMike Christie "to=%x,dpc_flags=%lx, status=%x allowed=%d\n", 5927242f9dcbSJens Axboe ha->host_no, cmd, jiffies, cmd->request->timeout / HZ, 5928ce545039SMike Christie ha->dpc_flags, cmd->result, cmd->allowed)); 5929ce545039SMike Christie 5930ce545039SMike Christie stat = qla4xxx_reset_target(ha, ddb_entry); 5931ce545039SMike Christie if (stat != QLA_SUCCESS) { 5932ce545039SMike Christie starget_printk(KERN_INFO, scsi_target(cmd->device), 5933ce545039SMike Christie "WARM TARGET RESET FAILED.\n"); 5934ce545039SMike Christie return FAILED; 5935ce545039SMike Christie } 5936ce545039SMike Christie 5937ce545039SMike Christie if (qla4xxx_eh_wait_for_commands(ha, scsi_target(cmd->device), 5938ce545039SMike Christie NULL)) { 5939ce545039SMike Christie starget_printk(KERN_INFO, scsi_target(cmd->device), 5940ce545039SMike Christie "WARM TARGET DEVICE RESET FAILED - " 5941ce545039SMike Christie "waiting for commands.\n"); 5942ce545039SMike Christie return FAILED; 5943ce545039SMike Christie } 5944ce545039SMike Christie 59459d562913SDavid C Somayajulu /* Send marker. */ 59469d562913SDavid C Somayajulu if (qla4xxx_send_marker_iocb(ha, ddb_entry, cmd->device->lun, 59479d562913SDavid C Somayajulu MM_TGT_WARM_RESET) != QLA_SUCCESS) { 59489d562913SDavid C Somayajulu starget_printk(KERN_INFO, scsi_target(cmd->device), 59499d562913SDavid C Somayajulu "WARM TARGET DEVICE RESET FAILED - " 59509d562913SDavid C Somayajulu "marker iocb failed.\n"); 59519d562913SDavid C Somayajulu return FAILED; 59529d562913SDavid C Somayajulu } 59539d562913SDavid C Somayajulu 5954ce545039SMike Christie starget_printk(KERN_INFO, scsi_target(cmd->device), 5955ce545039SMike Christie "WARM TARGET RESET SUCCEEDED.\n"); 5956ce545039SMike Christie return SUCCESS; 5957ce545039SMike Christie } 5958ce545039SMike Christie 5959ce545039SMike Christie /** 59608a288960SSarang Radke * qla4xxx_is_eh_active - check if error handler is running 59618a288960SSarang Radke * @shost: Pointer to SCSI Host struct 59628a288960SSarang Radke * 59638a288960SSarang Radke * This routine finds that if reset host is called in EH 59648a288960SSarang Radke * scenario or from some application like sg_reset 59658a288960SSarang Radke **/ 59668a288960SSarang Radke static int qla4xxx_is_eh_active(struct Scsi_Host *shost) 59678a288960SSarang Radke { 59688a288960SSarang Radke if (shost->shost_state == SHOST_RECOVERY) 59698a288960SSarang Radke return 1; 59708a288960SSarang Radke return 0; 59718a288960SSarang Radke } 59728a288960SSarang Radke 59738a288960SSarang Radke /** 5974afaf5a2dSDavid Somayajulu * qla4xxx_eh_host_reset - kernel callback 5975afaf5a2dSDavid Somayajulu * @cmd: Pointer to Linux's SCSI command structure 5976afaf5a2dSDavid Somayajulu * 5977afaf5a2dSDavid Somayajulu * This routine is invoked by the Linux kernel to perform fatal error 5978afaf5a2dSDavid Somayajulu * recovery on the specified adapter. 5979afaf5a2dSDavid Somayajulu **/ 5980afaf5a2dSDavid Somayajulu static int qla4xxx_eh_host_reset(struct scsi_cmnd *cmd) 5981afaf5a2dSDavid Somayajulu { 5982afaf5a2dSDavid Somayajulu int return_status = FAILED; 5983afaf5a2dSDavid Somayajulu struct scsi_qla_host *ha; 5984afaf5a2dSDavid Somayajulu 5985b3a271a9SManish Rangankar ha = to_qla_host(cmd->device->host); 5986afaf5a2dSDavid Somayajulu 59876e7b4292SVikas Chaudhary if (is_qla8032(ha) && ql4xdontresethba) 59886e7b4292SVikas Chaudhary qla4_83xx_set_idc_dontreset(ha); 59896e7b4292SVikas Chaudhary 59906e7b4292SVikas Chaudhary /* 59916e7b4292SVikas Chaudhary * For ISP8324, if IDC_CTRL DONTRESET_BIT0 is set by other 59926e7b4292SVikas Chaudhary * protocol drivers, we should not set device_state to 59936e7b4292SVikas Chaudhary * NEED_RESET 59946e7b4292SVikas Chaudhary */ 59956e7b4292SVikas Chaudhary if (ql4xdontresethba || 59966e7b4292SVikas Chaudhary (is_qla8032(ha) && qla4_83xx_idc_dontreset(ha))) { 5997f4f5df23SVikas Chaudhary DEBUG2(printk("scsi%ld: %s: Don't Reset HBA\n", 5998f4f5df23SVikas Chaudhary ha->host_no, __func__)); 59998a288960SSarang Radke 60008a288960SSarang Radke /* Clear outstanding srb in queues */ 60018a288960SSarang Radke if (qla4xxx_is_eh_active(cmd->device->host)) 60028a288960SSarang Radke qla4xxx_abort_active_cmds(ha, DID_ABORT << 16); 60038a288960SSarang Radke 6004f4f5df23SVikas Chaudhary return FAILED; 6005f4f5df23SVikas Chaudhary } 6006f4f5df23SVikas Chaudhary 6007c2660df3SVikas Chaudhary ql4_printk(KERN_INFO, ha, 6008dca05c4cSKaren Higgins "scsi(%ld:%d:%d:%d): HOST RESET ISSUED.\n", ha->host_no, 6009afaf5a2dSDavid Somayajulu cmd->device->channel, cmd->device->id, cmd->device->lun); 6010afaf5a2dSDavid Somayajulu 6011afaf5a2dSDavid Somayajulu if (qla4xxx_wait_for_hba_online(ha) != QLA_SUCCESS) { 6012afaf5a2dSDavid Somayajulu DEBUG2(printk("scsi%ld:%d: %s: Unable to reset host. Adapter " 6013afaf5a2dSDavid Somayajulu "DEAD.\n", ha->host_no, cmd->device->channel, 6014afaf5a2dSDavid Somayajulu __func__)); 6015afaf5a2dSDavid Somayajulu 6016afaf5a2dSDavid Somayajulu return FAILED; 6017afaf5a2dSDavid Somayajulu } 6018afaf5a2dSDavid Somayajulu 6019f4f5df23SVikas Chaudhary if (!test_bit(DPC_RESET_HA, &ha->dpc_flags)) { 60206e7b4292SVikas Chaudhary if (is_qla80XX(ha)) 6021f4f5df23SVikas Chaudhary set_bit(DPC_RESET_HA_FW_CONTEXT, &ha->dpc_flags); 6022f4f5df23SVikas Chaudhary else 6023f4f5df23SVikas Chaudhary set_bit(DPC_RESET_HA, &ha->dpc_flags); 6024f4f5df23SVikas Chaudhary } 602550a29aecSMike Christie 6026f4f5df23SVikas Chaudhary if (qla4xxx_recover_adapter(ha) == QLA_SUCCESS) 6027afaf5a2dSDavid Somayajulu return_status = SUCCESS; 6028afaf5a2dSDavid Somayajulu 6029c2660df3SVikas Chaudhary ql4_printk(KERN_INFO, ha, "HOST RESET %s.\n", 603025985edcSLucas De Marchi return_status == FAILED ? "FAILED" : "SUCCEEDED"); 6031afaf5a2dSDavid Somayajulu 6032afaf5a2dSDavid Somayajulu return return_status; 6033afaf5a2dSDavid Somayajulu } 6034afaf5a2dSDavid Somayajulu 603595d31262SVikas Chaudhary static int qla4xxx_context_reset(struct scsi_qla_host *ha) 603695d31262SVikas Chaudhary { 603795d31262SVikas Chaudhary uint32_t mbox_cmd[MBOX_REG_COUNT]; 603895d31262SVikas Chaudhary uint32_t mbox_sts[MBOX_REG_COUNT]; 603995d31262SVikas Chaudhary struct addr_ctrl_blk_def *acb = NULL; 604095d31262SVikas Chaudhary uint32_t acb_len = sizeof(struct addr_ctrl_blk_def); 604195d31262SVikas Chaudhary int rval = QLA_SUCCESS; 604295d31262SVikas Chaudhary dma_addr_t acb_dma; 604395d31262SVikas Chaudhary 604495d31262SVikas Chaudhary acb = dma_alloc_coherent(&ha->pdev->dev, 604595d31262SVikas Chaudhary sizeof(struct addr_ctrl_blk_def), 604695d31262SVikas Chaudhary &acb_dma, GFP_KERNEL); 604795d31262SVikas Chaudhary if (!acb) { 604895d31262SVikas Chaudhary ql4_printk(KERN_ERR, ha, "%s: Unable to alloc acb\n", 604995d31262SVikas Chaudhary __func__); 605095d31262SVikas Chaudhary rval = -ENOMEM; 605195d31262SVikas Chaudhary goto exit_port_reset; 605295d31262SVikas Chaudhary } 605395d31262SVikas Chaudhary 605495d31262SVikas Chaudhary memset(acb, 0, acb_len); 605595d31262SVikas Chaudhary 605695d31262SVikas Chaudhary rval = qla4xxx_get_acb(ha, acb_dma, PRIMARI_ACB, acb_len); 605795d31262SVikas Chaudhary if (rval != QLA_SUCCESS) { 605895d31262SVikas Chaudhary rval = -EIO; 605995d31262SVikas Chaudhary goto exit_free_acb; 606095d31262SVikas Chaudhary } 606195d31262SVikas Chaudhary 606295d31262SVikas Chaudhary rval = qla4xxx_disable_acb(ha); 606395d31262SVikas Chaudhary if (rval != QLA_SUCCESS) { 606495d31262SVikas Chaudhary rval = -EIO; 606595d31262SVikas Chaudhary goto exit_free_acb; 606695d31262SVikas Chaudhary } 606795d31262SVikas Chaudhary 606895d31262SVikas Chaudhary wait_for_completion_timeout(&ha->disable_acb_comp, 606995d31262SVikas Chaudhary DISABLE_ACB_TOV * HZ); 607095d31262SVikas Chaudhary 607195d31262SVikas Chaudhary rval = qla4xxx_set_acb(ha, &mbox_cmd[0], &mbox_sts[0], acb_dma); 607295d31262SVikas Chaudhary if (rval != QLA_SUCCESS) { 607395d31262SVikas Chaudhary rval = -EIO; 607495d31262SVikas Chaudhary goto exit_free_acb; 607595d31262SVikas Chaudhary } 607695d31262SVikas Chaudhary 607795d31262SVikas Chaudhary exit_free_acb: 607895d31262SVikas Chaudhary dma_free_coherent(&ha->pdev->dev, sizeof(struct addr_ctrl_blk_def), 607995d31262SVikas Chaudhary acb, acb_dma); 608095d31262SVikas Chaudhary exit_port_reset: 608195d31262SVikas Chaudhary DEBUG2(ql4_printk(KERN_INFO, ha, "%s %s\n", __func__, 608295d31262SVikas Chaudhary rval == QLA_SUCCESS ? "SUCCEEDED" : "FAILED")); 608395d31262SVikas Chaudhary return rval; 608495d31262SVikas Chaudhary } 608595d31262SVikas Chaudhary 608695d31262SVikas Chaudhary static int qla4xxx_host_reset(struct Scsi_Host *shost, int reset_type) 608795d31262SVikas Chaudhary { 608895d31262SVikas Chaudhary struct scsi_qla_host *ha = to_qla_host(shost); 608995d31262SVikas Chaudhary int rval = QLA_SUCCESS; 6090ebd777deSVikas Chaudhary uint32_t idc_ctrl; 609195d31262SVikas Chaudhary 609295d31262SVikas Chaudhary if (ql4xdontresethba) { 609395d31262SVikas Chaudhary DEBUG2(ql4_printk(KERN_INFO, ha, "%s: Don't Reset HBA\n", 609495d31262SVikas Chaudhary __func__)); 609595d31262SVikas Chaudhary rval = -EPERM; 609695d31262SVikas Chaudhary goto exit_host_reset; 609795d31262SVikas Chaudhary } 609895d31262SVikas Chaudhary 609995d31262SVikas Chaudhary if (test_bit(DPC_RESET_HA, &ha->dpc_flags)) 610095d31262SVikas Chaudhary goto recover_adapter; 610195d31262SVikas Chaudhary 610295d31262SVikas Chaudhary switch (reset_type) { 610395d31262SVikas Chaudhary case SCSI_ADAPTER_RESET: 610495d31262SVikas Chaudhary set_bit(DPC_RESET_HA, &ha->dpc_flags); 610595d31262SVikas Chaudhary break; 610695d31262SVikas Chaudhary case SCSI_FIRMWARE_RESET: 610795d31262SVikas Chaudhary if (!test_bit(DPC_RESET_HA, &ha->dpc_flags)) { 61086e7b4292SVikas Chaudhary if (is_qla80XX(ha)) 610995d31262SVikas Chaudhary /* set firmware context reset */ 611095d31262SVikas Chaudhary set_bit(DPC_RESET_HA_FW_CONTEXT, 611195d31262SVikas Chaudhary &ha->dpc_flags); 611295d31262SVikas Chaudhary else { 611395d31262SVikas Chaudhary rval = qla4xxx_context_reset(ha); 611495d31262SVikas Chaudhary goto exit_host_reset; 611595d31262SVikas Chaudhary } 611695d31262SVikas Chaudhary } 611795d31262SVikas Chaudhary break; 611895d31262SVikas Chaudhary } 611995d31262SVikas Chaudhary 612095d31262SVikas Chaudhary recover_adapter: 6121ebd777deSVikas Chaudhary /* For ISP83XX set graceful reset bit in IDC_DRV_CTRL if 6122ebd777deSVikas Chaudhary * reset is issued by application */ 6123ebd777deSVikas Chaudhary if (is_qla8032(ha) && test_bit(DPC_RESET_HA, &ha->dpc_flags)) { 6124ebd777deSVikas Chaudhary idc_ctrl = qla4_83xx_rd_reg(ha, QLA83XX_IDC_DRV_CTRL); 6125ebd777deSVikas Chaudhary qla4_83xx_wr_reg(ha, QLA83XX_IDC_DRV_CTRL, 6126ebd777deSVikas Chaudhary (idc_ctrl | GRACEFUL_RESET_BIT1)); 6127ebd777deSVikas Chaudhary } 6128ebd777deSVikas Chaudhary 612995d31262SVikas Chaudhary rval = qla4xxx_recover_adapter(ha); 613095d31262SVikas Chaudhary if (rval != QLA_SUCCESS) { 613195d31262SVikas Chaudhary DEBUG2(ql4_printk(KERN_INFO, ha, "%s: recover adapter fail\n", 613295d31262SVikas Chaudhary __func__)); 613395d31262SVikas Chaudhary rval = -EIO; 613495d31262SVikas Chaudhary } 613595d31262SVikas Chaudhary 613695d31262SVikas Chaudhary exit_host_reset: 613795d31262SVikas Chaudhary return rval; 613895d31262SVikas Chaudhary } 613995d31262SVikas Chaudhary 61402232be0dSLalit Chandivade /* PCI AER driver recovers from all correctable errors w/o 61412232be0dSLalit Chandivade * driver intervention. For uncorrectable errors PCI AER 61422232be0dSLalit Chandivade * driver calls the following device driver's callbacks 61432232be0dSLalit Chandivade * 61442232be0dSLalit Chandivade * - Fatal Errors - link_reset 61452232be0dSLalit Chandivade * - Non-Fatal Errors - driver's pci_error_detected() which 61462232be0dSLalit Chandivade * returns CAN_RECOVER, NEED_RESET or DISCONNECT. 61472232be0dSLalit Chandivade * 61482232be0dSLalit Chandivade * PCI AER driver calls 61492232be0dSLalit Chandivade * CAN_RECOVER - driver's pci_mmio_enabled(), mmio_enabled 61502232be0dSLalit Chandivade * returns RECOVERED or NEED_RESET if fw_hung 61512232be0dSLalit Chandivade * NEED_RESET - driver's slot_reset() 61522232be0dSLalit Chandivade * DISCONNECT - device is dead & cannot recover 61532232be0dSLalit Chandivade * RECOVERED - driver's pci_resume() 61542232be0dSLalit Chandivade */ 61552232be0dSLalit Chandivade static pci_ers_result_t 61562232be0dSLalit Chandivade qla4xxx_pci_error_detected(struct pci_dev *pdev, pci_channel_state_t state) 61572232be0dSLalit Chandivade { 61582232be0dSLalit Chandivade struct scsi_qla_host *ha = pci_get_drvdata(pdev); 61592232be0dSLalit Chandivade 61602232be0dSLalit Chandivade ql4_printk(KERN_WARNING, ha, "scsi%ld: %s: error detected:state %x\n", 61612232be0dSLalit Chandivade ha->host_no, __func__, state); 61622232be0dSLalit Chandivade 61632232be0dSLalit Chandivade if (!is_aer_supported(ha)) 61642232be0dSLalit Chandivade return PCI_ERS_RESULT_NONE; 61652232be0dSLalit Chandivade 61662232be0dSLalit Chandivade switch (state) { 61672232be0dSLalit Chandivade case pci_channel_io_normal: 61682232be0dSLalit Chandivade clear_bit(AF_EEH_BUSY, &ha->flags); 61692232be0dSLalit Chandivade return PCI_ERS_RESULT_CAN_RECOVER; 61702232be0dSLalit Chandivade case pci_channel_io_frozen: 61712232be0dSLalit Chandivade set_bit(AF_EEH_BUSY, &ha->flags); 61722232be0dSLalit Chandivade qla4xxx_mailbox_premature_completion(ha); 61732232be0dSLalit Chandivade qla4xxx_free_irqs(ha); 61742232be0dSLalit Chandivade pci_disable_device(pdev); 61757b3595dfSVikas Chaudhary /* Return back all IOs */ 61767b3595dfSVikas Chaudhary qla4xxx_abort_active_cmds(ha, DID_RESET << 16); 61772232be0dSLalit Chandivade return PCI_ERS_RESULT_NEED_RESET; 61782232be0dSLalit Chandivade case pci_channel_io_perm_failure: 61792232be0dSLalit Chandivade set_bit(AF_EEH_BUSY, &ha->flags); 61802232be0dSLalit Chandivade set_bit(AF_PCI_CHANNEL_IO_PERM_FAILURE, &ha->flags); 61812232be0dSLalit Chandivade qla4xxx_abort_active_cmds(ha, DID_NO_CONNECT << 16); 61822232be0dSLalit Chandivade return PCI_ERS_RESULT_DISCONNECT; 61832232be0dSLalit Chandivade } 61842232be0dSLalit Chandivade return PCI_ERS_RESULT_NEED_RESET; 61852232be0dSLalit Chandivade } 61862232be0dSLalit Chandivade 61872232be0dSLalit Chandivade /** 61882232be0dSLalit Chandivade * qla4xxx_pci_mmio_enabled() gets called if 61892232be0dSLalit Chandivade * qla4xxx_pci_error_detected() returns PCI_ERS_RESULT_CAN_RECOVER 61902232be0dSLalit Chandivade * and read/write to the device still works. 61912232be0dSLalit Chandivade **/ 61922232be0dSLalit Chandivade static pci_ers_result_t 61932232be0dSLalit Chandivade qla4xxx_pci_mmio_enabled(struct pci_dev *pdev) 61942232be0dSLalit Chandivade { 61952232be0dSLalit Chandivade struct scsi_qla_host *ha = pci_get_drvdata(pdev); 61962232be0dSLalit Chandivade 61972232be0dSLalit Chandivade if (!is_aer_supported(ha)) 61982232be0dSLalit Chandivade return PCI_ERS_RESULT_NONE; 61992232be0dSLalit Chandivade 62002232be0dSLalit Chandivade return PCI_ERS_RESULT_RECOVERED; 62012232be0dSLalit Chandivade } 62022232be0dSLalit Chandivade 62037b3595dfSVikas Chaudhary static uint32_t qla4_8xxx_error_recovery(struct scsi_qla_host *ha) 62042232be0dSLalit Chandivade { 62052232be0dSLalit Chandivade uint32_t rval = QLA_ERROR; 62062232be0dSLalit Chandivade int fn; 62072232be0dSLalit Chandivade struct pci_dev *other_pdev = NULL; 62082232be0dSLalit Chandivade 62092232be0dSLalit Chandivade ql4_printk(KERN_WARNING, ha, "scsi%ld: In %s\n", ha->host_no, __func__); 62102232be0dSLalit Chandivade 62112232be0dSLalit Chandivade set_bit(DPC_RESET_ACTIVE, &ha->dpc_flags); 62122232be0dSLalit Chandivade 62132232be0dSLalit Chandivade if (test_bit(AF_ONLINE, &ha->flags)) { 62142232be0dSLalit Chandivade clear_bit(AF_ONLINE, &ha->flags); 6215b3a271a9SManish Rangankar clear_bit(AF_LINK_UP, &ha->flags); 6216b3a271a9SManish Rangankar iscsi_host_for_each_session(ha->host, qla4xxx_fail_session); 62172232be0dSLalit Chandivade qla4xxx_process_aen(ha, FLUSH_DDB_CHANGED_AENS); 62182232be0dSLalit Chandivade } 62192232be0dSLalit Chandivade 62202232be0dSLalit Chandivade fn = PCI_FUNC(ha->pdev->devfn); 62212232be0dSLalit Chandivade while (fn > 0) { 62222232be0dSLalit Chandivade fn--; 62232232be0dSLalit Chandivade ql4_printk(KERN_INFO, ha, "scsi%ld: %s: Finding PCI device at " 62242232be0dSLalit Chandivade "func %x\n", ha->host_no, __func__, fn); 62252232be0dSLalit Chandivade /* Get the pci device given the domain, bus, 62262232be0dSLalit Chandivade * slot/function number */ 62272232be0dSLalit Chandivade other_pdev = 62282232be0dSLalit Chandivade pci_get_domain_bus_and_slot(pci_domain_nr(ha->pdev->bus), 62292232be0dSLalit Chandivade ha->pdev->bus->number, PCI_DEVFN(PCI_SLOT(ha->pdev->devfn), 62302232be0dSLalit Chandivade fn)); 62312232be0dSLalit Chandivade 62322232be0dSLalit Chandivade if (!other_pdev) 62332232be0dSLalit Chandivade continue; 62342232be0dSLalit Chandivade 62352232be0dSLalit Chandivade if (atomic_read(&other_pdev->enable_cnt)) { 62362232be0dSLalit Chandivade ql4_printk(KERN_INFO, ha, "scsi%ld: %s: Found PCI " 62372232be0dSLalit Chandivade "func in enabled state%x\n", ha->host_no, 62382232be0dSLalit Chandivade __func__, fn); 62392232be0dSLalit Chandivade pci_dev_put(other_pdev); 62402232be0dSLalit Chandivade break; 62412232be0dSLalit Chandivade } 62422232be0dSLalit Chandivade pci_dev_put(other_pdev); 62432232be0dSLalit Chandivade } 62442232be0dSLalit Chandivade 62452232be0dSLalit Chandivade /* The first function on the card, the reset owner will 62462232be0dSLalit Chandivade * start & initialize the firmware. The other functions 62472232be0dSLalit Chandivade * on the card will reset the firmware context 62482232be0dSLalit Chandivade */ 62492232be0dSLalit Chandivade if (!fn) { 62502232be0dSLalit Chandivade ql4_printk(KERN_INFO, ha, "scsi%ld: %s: devfn being reset " 62512232be0dSLalit Chandivade "0x%x is the owner\n", ha->host_no, __func__, 62522232be0dSLalit Chandivade ha->pdev->devfn); 62532232be0dSLalit Chandivade 625433693c7aSVikas Chaudhary ha->isp_ops->idc_lock(ha); 625533693c7aSVikas Chaudhary qla4_8xxx_wr_direct(ha, QLA8XXX_CRB_DEV_STATE, 6256de8c72daSVikas Chaudhary QLA8XXX_DEV_COLD); 625733693c7aSVikas Chaudhary ha->isp_ops->idc_unlock(ha); 62582232be0dSLalit Chandivade 625939c95826SVikas Chaudhary rval = qla4_8xxx_update_idc_reg(ha); 626039c95826SVikas Chaudhary if (rval == QLA_ERROR) { 626139c95826SVikas Chaudhary ql4_printk(KERN_INFO, ha, "scsi%ld: %s: HW State: FAILED\n", 626239c95826SVikas Chaudhary ha->host_no, __func__); 626339c95826SVikas Chaudhary ha->isp_ops->idc_lock(ha); 626439c95826SVikas Chaudhary qla4_8xxx_wr_direct(ha, QLA8XXX_CRB_DEV_STATE, 626539c95826SVikas Chaudhary QLA8XXX_DEV_FAILED); 626639c95826SVikas Chaudhary ha->isp_ops->idc_unlock(ha); 626739c95826SVikas Chaudhary goto exit_error_recovery; 626839c95826SVikas Chaudhary } 62692232be0dSLalit Chandivade 62702232be0dSLalit Chandivade clear_bit(AF_FW_RECOVERY, &ha->flags); 627113483730SMike Christie rval = qla4xxx_initialize_adapter(ha, RESET_ADAPTER); 62722232be0dSLalit Chandivade 62732232be0dSLalit Chandivade if (rval != QLA_SUCCESS) { 62742232be0dSLalit Chandivade ql4_printk(KERN_INFO, ha, "scsi%ld: %s: HW State: " 62752232be0dSLalit Chandivade "FAILED\n", ha->host_no, __func__); 627682761907SPoornima Vonti ha->isp_ops->idc_lock(ha); 62772232be0dSLalit Chandivade qla4_8xxx_clear_drv_active(ha); 627833693c7aSVikas Chaudhary qla4_8xxx_wr_direct(ha, QLA8XXX_CRB_DEV_STATE, 6279de8c72daSVikas Chaudhary QLA8XXX_DEV_FAILED); 628082761907SPoornima Vonti ha->isp_ops->idc_unlock(ha); 62812232be0dSLalit Chandivade } else { 62822232be0dSLalit Chandivade ql4_printk(KERN_INFO, ha, "scsi%ld: %s: HW State: " 62832232be0dSLalit Chandivade "READY\n", ha->host_no, __func__); 628482761907SPoornima Vonti ha->isp_ops->idc_lock(ha); 628533693c7aSVikas Chaudhary qla4_8xxx_wr_direct(ha, QLA8XXX_CRB_DEV_STATE, 6286de8c72daSVikas Chaudhary QLA8XXX_DEV_READY); 62872232be0dSLalit Chandivade /* Clear driver state register */ 628833693c7aSVikas Chaudhary qla4_8xxx_wr_direct(ha, QLA8XXX_CRB_DRV_STATE, 0); 62892232be0dSLalit Chandivade qla4_8xxx_set_drv_active(ha); 629082761907SPoornima Vonti ha->isp_ops->idc_unlock(ha); 62912232be0dSLalit Chandivade ha->isp_ops->enable_intrs(ha); 62922232be0dSLalit Chandivade } 62932232be0dSLalit Chandivade } else { 62942232be0dSLalit Chandivade ql4_printk(KERN_INFO, ha, "scsi%ld: %s: devfn 0x%x is not " 62952232be0dSLalit Chandivade "the reset owner\n", ha->host_no, __func__, 62962232be0dSLalit Chandivade ha->pdev->devfn); 629733693c7aSVikas Chaudhary if ((qla4_8xxx_rd_direct(ha, QLA8XXX_CRB_DEV_STATE) == 6298de8c72daSVikas Chaudhary QLA8XXX_DEV_READY)) { 62992232be0dSLalit Chandivade clear_bit(AF_FW_RECOVERY, &ha->flags); 630013483730SMike Christie rval = qla4xxx_initialize_adapter(ha, RESET_ADAPTER); 6301137257daSPoornima Vonti if (rval == QLA_SUCCESS) 63022232be0dSLalit Chandivade ha->isp_ops->enable_intrs(ha); 6303137257daSPoornima Vonti 630433693c7aSVikas Chaudhary ha->isp_ops->idc_lock(ha); 63052232be0dSLalit Chandivade qla4_8xxx_set_drv_active(ha); 630633693c7aSVikas Chaudhary ha->isp_ops->idc_unlock(ha); 63072232be0dSLalit Chandivade } 63082232be0dSLalit Chandivade } 630939c95826SVikas Chaudhary exit_error_recovery: 63102232be0dSLalit Chandivade clear_bit(DPC_RESET_ACTIVE, &ha->dpc_flags); 63112232be0dSLalit Chandivade return rval; 63122232be0dSLalit Chandivade } 63132232be0dSLalit Chandivade 63142232be0dSLalit Chandivade static pci_ers_result_t 63152232be0dSLalit Chandivade qla4xxx_pci_slot_reset(struct pci_dev *pdev) 63162232be0dSLalit Chandivade { 63172232be0dSLalit Chandivade pci_ers_result_t ret = PCI_ERS_RESULT_DISCONNECT; 63182232be0dSLalit Chandivade struct scsi_qla_host *ha = pci_get_drvdata(pdev); 63192232be0dSLalit Chandivade int rc; 63202232be0dSLalit Chandivade 63212232be0dSLalit Chandivade ql4_printk(KERN_WARNING, ha, "scsi%ld: %s: slot_reset\n", 63222232be0dSLalit Chandivade ha->host_no, __func__); 63232232be0dSLalit Chandivade 63242232be0dSLalit Chandivade if (!is_aer_supported(ha)) 63252232be0dSLalit Chandivade return PCI_ERS_RESULT_NONE; 63262232be0dSLalit Chandivade 63272232be0dSLalit Chandivade /* Restore the saved state of PCIe device - 63282232be0dSLalit Chandivade * BAR registers, PCI Config space, PCIX, MSI, 63292232be0dSLalit Chandivade * IOV states 63302232be0dSLalit Chandivade */ 63312232be0dSLalit Chandivade pci_restore_state(pdev); 63322232be0dSLalit Chandivade 63332232be0dSLalit Chandivade /* pci_restore_state() clears the saved_state flag of the device 63342232be0dSLalit Chandivade * save restored state which resets saved_state flag 63352232be0dSLalit Chandivade */ 63362232be0dSLalit Chandivade pci_save_state(pdev); 63372232be0dSLalit Chandivade 63382232be0dSLalit Chandivade /* Initialize device or resume if in suspended state */ 63392232be0dSLalit Chandivade rc = pci_enable_device(pdev); 63402232be0dSLalit Chandivade if (rc) { 634125985edcSLucas De Marchi ql4_printk(KERN_WARNING, ha, "scsi%ld: %s: Can't re-enable " 63422232be0dSLalit Chandivade "device after reset\n", ha->host_no, __func__); 63432232be0dSLalit Chandivade goto exit_slot_reset; 63442232be0dSLalit Chandivade } 63452232be0dSLalit Chandivade 63467b3595dfSVikas Chaudhary ha->isp_ops->disable_intrs(ha); 63472232be0dSLalit Chandivade 63486e7b4292SVikas Chaudhary if (is_qla80XX(ha)) { 63492232be0dSLalit Chandivade if (qla4_8xxx_error_recovery(ha) == QLA_SUCCESS) { 63502232be0dSLalit Chandivade ret = PCI_ERS_RESULT_RECOVERED; 63512232be0dSLalit Chandivade goto exit_slot_reset; 63522232be0dSLalit Chandivade } else 63532232be0dSLalit Chandivade goto exit_slot_reset; 63542232be0dSLalit Chandivade } 63552232be0dSLalit Chandivade 63562232be0dSLalit Chandivade exit_slot_reset: 63572232be0dSLalit Chandivade ql4_printk(KERN_WARNING, ha, "scsi%ld: %s: Return=%x\n" 63582232be0dSLalit Chandivade "device after reset\n", ha->host_no, __func__, ret); 63592232be0dSLalit Chandivade return ret; 63602232be0dSLalit Chandivade } 63612232be0dSLalit Chandivade 63622232be0dSLalit Chandivade static void 63632232be0dSLalit Chandivade qla4xxx_pci_resume(struct pci_dev *pdev) 63642232be0dSLalit Chandivade { 63652232be0dSLalit Chandivade struct scsi_qla_host *ha = pci_get_drvdata(pdev); 63662232be0dSLalit Chandivade int ret; 63672232be0dSLalit Chandivade 63682232be0dSLalit Chandivade ql4_printk(KERN_WARNING, ha, "scsi%ld: %s: pci_resume\n", 63692232be0dSLalit Chandivade ha->host_no, __func__); 63702232be0dSLalit Chandivade 63712232be0dSLalit Chandivade ret = qla4xxx_wait_for_hba_online(ha); 63722232be0dSLalit Chandivade if (ret != QLA_SUCCESS) { 63732232be0dSLalit Chandivade ql4_printk(KERN_ERR, ha, "scsi%ld: %s: the device failed to " 63742232be0dSLalit Chandivade "resume I/O from slot/link_reset\n", ha->host_no, 63752232be0dSLalit Chandivade __func__); 63762232be0dSLalit Chandivade } 63772232be0dSLalit Chandivade 63782232be0dSLalit Chandivade pci_cleanup_aer_uncorrect_error_status(pdev); 63792232be0dSLalit Chandivade clear_bit(AF_EEH_BUSY, &ha->flags); 63802232be0dSLalit Chandivade } 63812232be0dSLalit Chandivade 6382a55b2d21SStephen Hemminger static const struct pci_error_handlers qla4xxx_err_handler = { 63832232be0dSLalit Chandivade .error_detected = qla4xxx_pci_error_detected, 63842232be0dSLalit Chandivade .mmio_enabled = qla4xxx_pci_mmio_enabled, 63852232be0dSLalit Chandivade .slot_reset = qla4xxx_pci_slot_reset, 63862232be0dSLalit Chandivade .resume = qla4xxx_pci_resume, 63872232be0dSLalit Chandivade }; 63882232be0dSLalit Chandivade 6389afaf5a2dSDavid Somayajulu static struct pci_device_id qla4xxx_pci_tbl[] = { 6390afaf5a2dSDavid Somayajulu { 6391afaf5a2dSDavid Somayajulu .vendor = PCI_VENDOR_ID_QLOGIC, 6392afaf5a2dSDavid Somayajulu .device = PCI_DEVICE_ID_QLOGIC_ISP4010, 6393afaf5a2dSDavid Somayajulu .subvendor = PCI_ANY_ID, 6394afaf5a2dSDavid Somayajulu .subdevice = PCI_ANY_ID, 6395afaf5a2dSDavid Somayajulu }, 6396afaf5a2dSDavid Somayajulu { 6397afaf5a2dSDavid Somayajulu .vendor = PCI_VENDOR_ID_QLOGIC, 6398afaf5a2dSDavid Somayajulu .device = PCI_DEVICE_ID_QLOGIC_ISP4022, 6399afaf5a2dSDavid Somayajulu .subvendor = PCI_ANY_ID, 6400afaf5a2dSDavid Somayajulu .subdevice = PCI_ANY_ID, 6401afaf5a2dSDavid Somayajulu }, 6402d915058fSDavid C Somayajulu { 6403d915058fSDavid C Somayajulu .vendor = PCI_VENDOR_ID_QLOGIC, 6404d915058fSDavid C Somayajulu .device = PCI_DEVICE_ID_QLOGIC_ISP4032, 6405d915058fSDavid C Somayajulu .subvendor = PCI_ANY_ID, 6406d915058fSDavid C Somayajulu .subdevice = PCI_ANY_ID, 6407d915058fSDavid C Somayajulu }, 6408f4f5df23SVikas Chaudhary { 6409f4f5df23SVikas Chaudhary .vendor = PCI_VENDOR_ID_QLOGIC, 6410f4f5df23SVikas Chaudhary .device = PCI_DEVICE_ID_QLOGIC_ISP8022, 6411f4f5df23SVikas Chaudhary .subvendor = PCI_ANY_ID, 6412f4f5df23SVikas Chaudhary .subdevice = PCI_ANY_ID, 6413f4f5df23SVikas Chaudhary }, 64146e7b4292SVikas Chaudhary { 64156e7b4292SVikas Chaudhary .vendor = PCI_VENDOR_ID_QLOGIC, 64166e7b4292SVikas Chaudhary .device = PCI_DEVICE_ID_QLOGIC_ISP8324, 64176e7b4292SVikas Chaudhary .subvendor = PCI_ANY_ID, 64186e7b4292SVikas Chaudhary .subdevice = PCI_ANY_ID, 64196e7b4292SVikas Chaudhary }, 6420afaf5a2dSDavid Somayajulu {0, 0}, 6421afaf5a2dSDavid Somayajulu }; 6422afaf5a2dSDavid Somayajulu MODULE_DEVICE_TABLE(pci, qla4xxx_pci_tbl); 6423afaf5a2dSDavid Somayajulu 642447975477SAdrian Bunk static struct pci_driver qla4xxx_pci_driver = { 6425afaf5a2dSDavid Somayajulu .name = DRIVER_NAME, 6426afaf5a2dSDavid Somayajulu .id_table = qla4xxx_pci_tbl, 6427afaf5a2dSDavid Somayajulu .probe = qla4xxx_probe_adapter, 6428afaf5a2dSDavid Somayajulu .remove = qla4xxx_remove_adapter, 64292232be0dSLalit Chandivade .err_handler = &qla4xxx_err_handler, 6430afaf5a2dSDavid Somayajulu }; 6431afaf5a2dSDavid Somayajulu 6432afaf5a2dSDavid Somayajulu static int __init qla4xxx_module_init(void) 6433afaf5a2dSDavid Somayajulu { 6434afaf5a2dSDavid Somayajulu int ret; 6435afaf5a2dSDavid Somayajulu 6436afaf5a2dSDavid Somayajulu /* Allocate cache for SRBs. */ 6437afaf5a2dSDavid Somayajulu srb_cachep = kmem_cache_create("qla4xxx_srbs", sizeof(struct srb), 0, 643820c2df83SPaul Mundt SLAB_HWCACHE_ALIGN, NULL); 6439afaf5a2dSDavid Somayajulu if (srb_cachep == NULL) { 6440afaf5a2dSDavid Somayajulu printk(KERN_ERR 6441afaf5a2dSDavid Somayajulu "%s: Unable to allocate SRB cache..." 6442afaf5a2dSDavid Somayajulu "Failing load!\n", DRIVER_NAME); 6443afaf5a2dSDavid Somayajulu ret = -ENOMEM; 6444afaf5a2dSDavid Somayajulu goto no_srp_cache; 6445afaf5a2dSDavid Somayajulu } 6446afaf5a2dSDavid Somayajulu 6447afaf5a2dSDavid Somayajulu /* Derive version string. */ 6448afaf5a2dSDavid Somayajulu strcpy(qla4xxx_version_str, QLA4XXX_DRIVER_VERSION); 644911010fecSAndrew Vasquez if (ql4xextended_error_logging) 6450afaf5a2dSDavid Somayajulu strcat(qla4xxx_version_str, "-debug"); 6451afaf5a2dSDavid Somayajulu 6452afaf5a2dSDavid Somayajulu qla4xxx_scsi_transport = 6453afaf5a2dSDavid Somayajulu iscsi_register_transport(&qla4xxx_iscsi_transport); 6454afaf5a2dSDavid Somayajulu if (!qla4xxx_scsi_transport){ 6455afaf5a2dSDavid Somayajulu ret = -ENODEV; 6456afaf5a2dSDavid Somayajulu goto release_srb_cache; 6457afaf5a2dSDavid Somayajulu } 6458afaf5a2dSDavid Somayajulu 6459afaf5a2dSDavid Somayajulu ret = pci_register_driver(&qla4xxx_pci_driver); 6460afaf5a2dSDavid Somayajulu if (ret) 6461afaf5a2dSDavid Somayajulu goto unregister_transport; 6462afaf5a2dSDavid Somayajulu 6463afaf5a2dSDavid Somayajulu printk(KERN_INFO "QLogic iSCSI HBA Driver\n"); 6464afaf5a2dSDavid Somayajulu return 0; 64655ae16db3SDoug Maxey 6466afaf5a2dSDavid Somayajulu unregister_transport: 6467afaf5a2dSDavid Somayajulu iscsi_unregister_transport(&qla4xxx_iscsi_transport); 6468afaf5a2dSDavid Somayajulu release_srb_cache: 6469afaf5a2dSDavid Somayajulu kmem_cache_destroy(srb_cachep); 6470afaf5a2dSDavid Somayajulu no_srp_cache: 6471afaf5a2dSDavid Somayajulu return ret; 6472afaf5a2dSDavid Somayajulu } 6473afaf5a2dSDavid Somayajulu 6474afaf5a2dSDavid Somayajulu static void __exit qla4xxx_module_exit(void) 6475afaf5a2dSDavid Somayajulu { 6476afaf5a2dSDavid Somayajulu pci_unregister_driver(&qla4xxx_pci_driver); 6477afaf5a2dSDavid Somayajulu iscsi_unregister_transport(&qla4xxx_iscsi_transport); 6478afaf5a2dSDavid Somayajulu kmem_cache_destroy(srb_cachep); 6479afaf5a2dSDavid Somayajulu } 6480afaf5a2dSDavid Somayajulu 6481afaf5a2dSDavid Somayajulu module_init(qla4xxx_module_init); 6482afaf5a2dSDavid Somayajulu module_exit(qla4xxx_module_exit); 6483afaf5a2dSDavid Somayajulu 6484afaf5a2dSDavid Somayajulu MODULE_AUTHOR("QLogic Corporation"); 6485afaf5a2dSDavid Somayajulu MODULE_DESCRIPTION("QLogic iSCSI HBA Driver"); 6486afaf5a2dSDavid Somayajulu MODULE_LICENSE("GPL"); 6487afaf5a2dSDavid Somayajulu MODULE_VERSION(QLA4XXX_DRIVER_VERSION); 6488