drivers/scsi/qla2xxx/qla_os.c

   1 /*
   2  * QLogic Fibre Channel HBA Driver
   3  * Copyright (c)  2003-2011 QLogic Corporation
   4  *
   5  * See LICENSE.qla2xxx for copyright and licensing details.
   6  */
   7 #include "qla_def.h"
   8
   9 #include <linux/moduleparam.h>
  10 #include <linux/vmalloc.h>
  11 #include <linux/delay.h>
  12 #include <linux/kthread.h>
  13 #include <linux/mutex.h>
  14 #include <linux/kobject.h>
  15 #include <linux/slab.h>
  16
  17 #include <scsi/scsi_tcq.h>
  18 #include <scsi/scsicam.h>
  19 #include <scsi/scsi_transport.h>
  20 #include <scsi/scsi_transport_fc.h>
  21
  22 /*
  23  * Driver version
  24  */
  25 char qla2x00_version_str[40];
  26
  27 static int apidev_major;
  28
  29 /*
  30  * SRB allocation cache
  31  */
  32 static struct kmem_cache *srb_cachep;
  33
  34 /*
  35  * CT6 CTX allocation cache
  36  */
  37 static struct kmem_cache *ctx_cachep;
  38 /*
  39  * error level for logging
  40  */
  41 int ql_errlev = ql_log_all;
  42
  43 int ql2xlogintimeout = 20;
  44 module_param(ql2xlogintimeout, int, S_IRUGO);
  45 MODULE_PARM_DESC(ql2xlogintimeout,
  46                 "Login timeout value in seconds.");
  47
  48 int qlport_down_retry;
  49 module_param(qlport_down_retry, int, S_IRUGO);
  50 MODULE_PARM_DESC(qlport_down_retry,
  51                 "Maximum number of command retries to a port that returns "
  52                 "a PORT-DOWN status.");
  53
  54 int ql2xplogiabsentdevice;
  55 module_param(ql2xplogiabsentdevice, int, S_IRUGO|S_IWUSR);
  56 MODULE_PARM_DESC(ql2xplogiabsentdevice,
  57                 "Option to enable PLOGI to devices that are not present after "
  58                 "a Fabric scan.  This is needed for several broken switches. "
  59                 "Default is 0 - no PLOGI. 1 - perfom PLOGI.");
  60
  61 int ql2xloginretrycount = 0;
  62 module_param(ql2xloginretrycount, int, S_IRUGO);
  63 MODULE_PARM_DESC(ql2xloginretrycount,
  64                 "Specify an alternate value for the NVRAM login retry count.");
  65
  66 int ql2xallocfwdump = 1;
  67 module_param(ql2xallocfwdump, int, S_IRUGO);
  68 MODULE_PARM_DESC(ql2xallocfwdump,
  69                 "Option to enable allocation of memory for a firmware dump "
  70                 "during HBA initialization.  Memory allocation requirements "
  71                 "vary by ISP type.  Default is 1 - allocate memory.");
  72
  73 int ql2xextended_error_logging;
  74 module_param(ql2xextended_error_logging, int, S_IRUGO|S_IWUSR);
  75 MODULE_PARM_DESC(ql2xextended_error_logging,
  76                 "Option to enable extended error logging,\n"
  77                 "\t\tDefault is 0 - no logging.  0x40000000 - Module Init & Probe.\n"
  78                 "\t\t0x20000000 - Mailbox Cmnds. 0x10000000 - Device Discovery.\n"
  79                 "\t\t0x08000000 - IO tracing.    0x04000000 - DPC Thread.\n"
  80                 "\t\t0x02000000 - Async events.  0x01000000 - Timer routines.\n"
  81                 "\t\t0x00800000 - User space.    0x00400000 - Task Management.\n"
  82                 "\t\t0x00200000 - AER/EEH.       0x00100000 - Multi Q.\n"
  83                 "\t\t0x00080000 - P3P Specific.  0x00040000 - Virtual Port.\n"
  84                 "\t\t0x00020000 - Buffer Dump.   0x00010000 - Misc.\n"
  85                 "\t\t0x7fffffff - For enabling all logs, can be too many logs.\n"
  86                 "\t\t0x1e400000 - Preferred value for capturing essential "
  87                 "debug information (equivalent to old "
  88                 "ql2xextended_error_logging=1).\n"
  89                 "\t\tDo LOGICAL OR of the value to enable more than one level");
  90
  91 int ql2xshiftctondsd = 6;
  92 module_param(ql2xshiftctondsd, int, S_IRUGO);
  93 MODULE_PARM_DESC(ql2xshiftctondsd,
  94                 "Set to control shifting of command type processing "
  95                 "based on total number of SG elements.");
  96
  97 static void qla2x00_free_device(scsi_qla_host_t *);
  98
  99 int ql2xfdmienable=1;
 100 module_param(ql2xfdmienable, int, S_IRUGO);
 101 MODULE_PARM_DESC(ql2xfdmienable,
 102                 "Enables FDMI registrations. "
 103                 "0 - no FDMI. Default is 1 - perform FDMI.");
 104
 105 #define MAX_Q_DEPTH    32
 106 static int ql2xmaxqdepth = MAX_Q_DEPTH;
 107 module_param(ql2xmaxqdepth, int, S_IRUGO|S_IWUSR);
 108 MODULE_PARM_DESC(ql2xmaxqdepth,
 109                 "Maximum queue depth to report for target devices.");
 110
 111 /* Do not change the value of this after module load */
 112 int ql2xenabledif = 0;
 113 module_param(ql2xenabledif, int, S_IRUGO|S_IWUSR);
 114 MODULE_PARM_DESC(ql2xenabledif,
 115                 " Enable T10-CRC-DIF "
 116                 " Default is 0 - No DIF Support. 1 - Enable it"
 117                 ", 2 - Enable DIF for all types, except Type 0.");
 118
 119 int ql2xenablehba_err_chk = 2;
 120 module_param(ql2xenablehba_err_chk, int, S_IRUGO|S_IWUSR);
 121 MODULE_PARM_DESC(ql2xenablehba_err_chk,
 122                 " Enable T10-CRC-DIF Error isolation by HBA:\n"
 123                 " Default is 1.\n"
 124                 "  0 -- Error isolation disabled\n"
 125                 "  1 -- Error isolation enabled only for DIX Type 0\n"
 126                 "  2 -- Error isolation enabled for all Types\n");
 127
 128 int ql2xiidmaenable=1;
 129 module_param(ql2xiidmaenable, int, S_IRUGO);
 130 MODULE_PARM_DESC(ql2xiidmaenable,
 131                 "Enables iIDMA settings "
 132                 "Default is 1 - perform iIDMA. 0 - no iIDMA.");
 133
 134 int ql2xmaxqueues = 1;
 135 module_param(ql2xmaxqueues, int, S_IRUGO);
 136 MODULE_PARM_DESC(ql2xmaxqueues,
 137                 "Enables MQ settings "
 138                 "Default is 1 for single queue. Set it to number "
 139                 "of queues in MQ mode.");
 140
 141 int ql2xmultique_tag;
 142 module_param(ql2xmultique_tag, int, S_IRUGO);
 143 MODULE_PARM_DESC(ql2xmultique_tag,
 144                 "Enables CPU affinity settings for the driver "
 145                 "Default is 0 for no affinity of request and response IO. "
 146                 "Set it to 1 to turn on the cpu affinity.");
 147
 148 int ql2xfwloadbin;
 149 module_param(ql2xfwloadbin, int, S_IRUGO|S_IWUSR);
 150 MODULE_PARM_DESC(ql2xfwloadbin,
 151                 "Option to specify location from which to load ISP firmware:.\n"
 152                 " 2 -- load firmware via the request_firmware() (hotplug).\n"
 153                 "      interface.\n"
 154                 " 1 -- load firmware from flash.\n"
 155                 " 0 -- use default semantics.\n");
 156
 157 int ql2xetsenable;
 158 module_param(ql2xetsenable, int, S_IRUGO);
 159 MODULE_PARM_DESC(ql2xetsenable,
 160                 "Enables firmware ETS burst."
 161                 "Default is 0 - skip ETS enablement.");
 162
 163 int ql2xdbwr = 1;
 164 module_param(ql2xdbwr, int, S_IRUGO|S_IWUSR);
 165 MODULE_PARM_DESC(ql2xdbwr,
 166                 "Option to specify scheme for request queue posting.\n"
 167                 " 0 -- Regular doorbell.\n"
 168                 " 1 -- CAMRAM doorbell (faster).\n");
 169
 170 int ql2xtargetreset = 1;
 171 module_param(ql2xtargetreset, int, S_IRUGO);
 172 MODULE_PARM_DESC(ql2xtargetreset,
 173                  "Enable target reset."
 174                  "Default is 1 - use hw defaults.");
 175
 176 int ql2xgffidenable;
 177 module_param(ql2xgffidenable, int, S_IRUGO);
 178 MODULE_PARM_DESC(ql2xgffidenable,
 179                 "Enables GFF_ID checks of port type. "
 180                 "Default is 0 - Do not use GFF_ID information.");
 181
 182 int ql2xasynctmfenable;
 183 module_param(ql2xasynctmfenable, int, S_IRUGO);
 184 MODULE_PARM_DESC(ql2xasynctmfenable,
 185                 "Enables issue of TM IOCBs asynchronously via IOCB mechanism"
 186                 "Default is 0 - Issue TM IOCBs via mailbox mechanism.");
 187
 188 int ql2xdontresethba;
 189 module_param(ql2xdontresethba, int, S_IRUGO|S_IWUSR);
 190 MODULE_PARM_DESC(ql2xdontresethba,
 191                 "Option to specify reset behaviour.\n"
 192                 " 0 (Default) -- Reset on failure.\n"
 193                 " 1 -- Do not reset on failure.\n");
 194
 195 uint ql2xmaxlun = MAX_LUNS;
 196 module_param(ql2xmaxlun, uint, S_IRUGO);
 197 MODULE_PARM_DESC(ql2xmaxlun,
 198                 "Defines the maximum LU number to register with the SCSI "
 199                 "midlayer. Default is 65535.");
 200
 201 int ql2xmdcapmask = 0x1F;
 202 module_param(ql2xmdcapmask, int, S_IRUGO);
 203 MODULE_PARM_DESC(ql2xmdcapmask,
 204                 "Set the Minidump driver capture mask level. "
 205                 "Default is 0x1F - Can be set to 0x3, 0x7, 0xF, 0x1F, 0x7F.");
 206
 207 int ql2xmdenable = 1;
 208 module_param(ql2xmdenable, int, S_IRUGO);
 209 MODULE_PARM_DESC(ql2xmdenable,
 210                 "Enable/disable MiniDump. "
 211                 "0 - MiniDump disabled. "
 212                 "1 (Default) - MiniDump enabled.");
 213
 214 /*
 215  * SCSI host template entry points
 216  */
 217 static int qla2xxx_slave_configure(struct scsi_device * device);
 218 static int qla2xxx_slave_alloc(struct scsi_device *);
 219 static int qla2xxx_scan_finished(struct Scsi_Host *, unsigned long time);
 220 static void qla2xxx_scan_start(struct Scsi_Host *);
 221 static void qla2xxx_slave_destroy(struct scsi_device *);
 222 static int qla2xxx_queuecommand(struct Scsi_Host *h, struct scsi_cmnd *cmd);
 223 static int qla2xxx_eh_abort(struct scsi_cmnd *);
 224 static int qla2xxx_eh_device_reset(struct scsi_cmnd *);
 225 static int qla2xxx_eh_target_reset(struct scsi_cmnd *);
 226 static int qla2xxx_eh_bus_reset(struct scsi_cmnd *);
 227 static int qla2xxx_eh_host_reset(struct scsi_cmnd *);
 228
 229 static int qla2x00_change_queue_depth(struct scsi_device *, int, int);
 230 static int qla2x00_change_queue_type(struct scsi_device *, int);
 231
 232 struct scsi_host_template qla2xxx_driver_template = {
 233         .module                 = THIS_MODULE,
 234         .name                   = QLA2XXX_DRIVER_NAME,
 235         .queuecommand           = qla2xxx_queuecommand,
 236
 237         .eh_abort_handler       = qla2xxx_eh_abort,
 238         .eh_device_reset_handler = qla2xxx_eh_device_reset,
 239         .eh_target_reset_handler = qla2xxx_eh_target_reset,
 240         .eh_bus_reset_handler   = qla2xxx_eh_bus_reset,
 241         .eh_host_reset_handler  = qla2xxx_eh_host_reset,
 242
 243         .slave_configure        = qla2xxx_slave_configure,
 244
 245         .slave_alloc            = qla2xxx_slave_alloc,
 246         .slave_destroy          = qla2xxx_slave_destroy,
 247         .scan_finished          = qla2xxx_scan_finished,
 248         .scan_start             = qla2xxx_scan_start,
 249         .change_queue_depth     = qla2x00_change_queue_depth,
 250         .change_queue_type      = qla2x00_change_queue_type,
 251         .this_id                = -1,
 252         .cmd_per_lun            = 3,
 253         .use_clustering         = ENABLE_CLUSTERING,
 254         .sg_tablesize           = SG_ALL,
 255
 256         .max_sectors            = 0xFFFF,
 257         .shost_attrs            = qla2x00_host_attrs,
 258 };
 259
 260 static struct scsi_transport_template *qla2xxx_transport_template = NULL;
 261 struct scsi_transport_template *qla2xxx_transport_vport_template = NULL;
 262
 263 /* TODO Convert to inlines
 264  *
 265  * Timer routines
 266  */
 267
 268 __inline__ void
 269 qla2x00_start_timer(scsi_qla_host_t *vha, void *func, unsigned long interval)
 270 {
 271         init_timer(&vha->timer);
 272         vha->timer.expires = jiffies + interval * HZ;
 273         vha->timer.data = (unsigned long)vha;
 274         vha->timer.function = (void (*)(unsigned long))func;
 275         add_timer(&vha->timer);
 276         vha->timer_active = 1;
 277 }
 278
 279 static inline void
 280 qla2x00_restart_timer(scsi_qla_host_t *vha, unsigned long interval)
 281 {
 282         /* Currently used for 82XX only. */
 283         if (vha->device_flags & DFLG_DEV_FAILED) {
 284                 ql_dbg(ql_dbg_timer, vha, 0x600d,
 285                     "Device in a failed state, returning.\n");
 286                 return;
 287         }
 288
 289         mod_timer(&vha->timer, jiffies + interval * HZ);
 290 }
 291
 292 static __inline__ void
 293 qla2x00_stop_timer(scsi_qla_host_t *vha)
 294 {
 295         del_timer_sync(&vha->timer);
 296         vha->timer_active = 0;
 297 }
 298
 299 static int qla2x00_do_dpc(void *data);
 300
 301 static void qla2x00_rst_aen(scsi_qla_host_t *);
 302
 303 static int qla2x00_mem_alloc(struct qla_hw_data *, uint16_t, uint16_t,
 304         struct req_que **, struct rsp_que **);
 305 static void qla2x00_free_fw_dump(struct qla_hw_data *);
 306 static void qla2x00_mem_free(struct qla_hw_data *);
 307
 308 /* -------------------------------------------------------------------------- */
 309 static int qla2x00_alloc_queues(struct qla_hw_data *ha)
 310 {
 311         scsi_qla_host_t *vha = pci_get_drvdata(ha->pdev);
 312         ha->req_q_map = kzalloc(sizeof(struct req_que *) * ha->max_req_queues,
 313                                 GFP_KERNEL);
 314         if (!ha->req_q_map) {
 315                 ql_log(ql_log_fatal, vha, 0x003b,
 316                     "Unable to allocate memory for request queue ptrs.\n");
 317                 goto fail_req_map;
 318         }
 319
 320         ha->rsp_q_map = kzalloc(sizeof(struct rsp_que *) * ha->max_rsp_queues,
 321                                 GFP_KERNEL);
 322         if (!ha->rsp_q_map) {
 323                 ql_log(ql_log_fatal, vha, 0x003c,
 324                     "Unable to allocate memory for response queue ptrs.\n");
 325                 goto fail_rsp_map;
 326         }
 327         set_bit(0, ha->rsp_qid_map);
 328         set_bit(0, ha->req_qid_map);
 329         return 1;
 330
 331 fail_rsp_map:
 332         kfree(ha->req_q_map);
 333         ha->req_q_map = NULL;
 334 fail_req_map:
 335         return -ENOMEM;
 336 }
 337
 338 static void qla2x00_free_req_que(struct qla_hw_data *ha, struct req_que *req)
 339 {
 340         if (req && req->ring)
 341                 dma_free_coherent(&ha->pdev->dev,
 342                 (req->length + 1) * sizeof(request_t),
 343                 req->ring, req->dma);
 344
 345         kfree(req);
 346         req = NULL;
 347 }
 348
 349 static void qla2x00_free_rsp_que(struct qla_hw_data *ha, struct rsp_que *rsp)
 350 {
 351         if (rsp && rsp->ring)
 352                 dma_free_coherent(&ha->pdev->dev,
 353                 (rsp->length + 1) * sizeof(response_t),
 354                 rsp->ring, rsp->dma);
 355
 356         kfree(rsp);
 357         rsp = NULL;
 358 }
 359
 360 static void qla2x00_free_queues(struct qla_hw_data *ha)
 361 {
 362         struct req_que *req;
 363         struct rsp_que *rsp;
 364         int cnt;
 365
 366         for (cnt = 0; cnt < ha->max_req_queues; cnt++) {
 367                 req = ha->req_q_map[cnt];
 368                 qla2x00_free_req_que(ha, req);
 369         }
 370         kfree(ha->req_q_map);
 371         ha->req_q_map = NULL;
 372
 373         for (cnt = 0; cnt < ha->max_rsp_queues; cnt++) {
 374                 rsp = ha->rsp_q_map[cnt];
 375                 qla2x00_free_rsp_que(ha, rsp);
 376         }
 377         kfree(ha->rsp_q_map);
 378         ha->rsp_q_map = NULL;
 379 }
 380
 381 static int qla25xx_setup_mode(struct scsi_qla_host *vha)
 382 {
 383         uint16_t options = 0;
 384         int ques, req, ret;
 385         struct qla_hw_data *ha = vha->hw;
 386
 387         if (!(ha->fw_attributes & BIT_6)) {
 388                 ql_log(ql_log_warn, vha, 0x00d8,
 389                     "Firmware is not multi-queue capable.\n");
 390                 goto fail;
 391         }
 392         if (ql2xmultique_tag) {
 393                 /* create a request queue for IO */
 394                 options |= BIT_7;
 395                 req = qla25xx_create_req_que(ha, options, 0, 0, -1,
 396                         QLA_DEFAULT_QUE_QOS);
 397                 if (!req) {
 398                         ql_log(ql_log_warn, vha, 0x00e0,
 399                             "Failed to create request queue.\n");
 400                         goto fail;
 401                 }
 402                 ha->wq = alloc_workqueue("qla2xxx_wq", WQ_MEM_RECLAIM, 1);
 403                 vha->req = ha->req_q_map[req];
 404                 options |= BIT_1;
 405                 for (ques = 1; ques < ha->max_rsp_queues; ques++) {
 406                         ret = qla25xx_create_rsp_que(ha, options, 0, 0, req);
 407                         if (!ret) {
 408                                 ql_log(ql_log_warn, vha, 0x00e8,
 409                                     "Failed to create response queue.\n");
 410                                 goto fail2;
 411                         }
 412                 }
 413                 ha->flags.cpu_affinity_enabled = 1;
 414                 ql_dbg(ql_dbg_multiq, vha, 0xc007,
 415                     "CPU affinity mode enalbed, "
 416                     "no. of response queues:%d no. of request queues:%d.\n",
 417                     ha->max_rsp_queues, ha->max_req_queues);
 418                 ql_dbg(ql_dbg_init, vha, 0x00e9,
 419                     "CPU affinity mode enalbed, "
 420                     "no. of response queues:%d no. of request queues:%d.\n",
 421                     ha->max_rsp_queues, ha->max_req_queues);
 422         }
 423         return 0;
 424 fail2:
 425         qla25xx_delete_queues(vha);
 426         destroy_workqueue(ha->wq);
 427         ha->wq = NULL;
 428         vha->req = ha->req_q_map[0];
 429 fail:
 430         ha->mqenable = 0;
 431         kfree(ha->req_q_map);
 432         kfree(ha->rsp_q_map);
 433         ha->max_req_queues = ha->max_rsp_queues = 1;
 434         return 1;
 435 }
 436
 437 static char *
 438 qla2x00_pci_info_str(struct scsi_qla_host *vha, char *str)
 439 {
 440         struct qla_hw_data *ha = vha->hw;
 441         static char *pci_bus_modes[] = {
 442                 "33", "66", "100", "133",
 443         };
 444         uint16_t pci_bus;
 445
 446         strcpy(str, "PCI");
 447         pci_bus = (ha->pci_attr & (BIT_9 | BIT_10)) >> 9;
 448         if (pci_bus) {
 449                 strcat(str, "-X (");
 450                 strcat(str, pci_bus_modes[pci_bus]);
 451         } else {
 452                 pci_bus = (ha->pci_attr & BIT_8) >> 8;
 453                 strcat(str, " (");
 454                 strcat(str, pci_bus_modes[pci_bus]);
 455         }
 456         strcat(str, " MHz)");
 457
 458         return (str);
 459 }
 460
 461 static char *
 462 qla24xx_pci_info_str(struct scsi_qla_host *vha, char *str)
 463 {
 464         static char *pci_bus_modes[] = { "33", "66", "100", "133", };
 465         struct qla_hw_data *ha = vha->hw;
 466         uint32_t pci_bus;
 467         int pcie_reg;
 468
 469         pcie_reg = pci_find_capability(ha->pdev, PCI_CAP_ID_EXP);
 470         if (pcie_reg) {
 471                 char lwstr[6];
 472                 uint16_t pcie_lstat, lspeed, lwidth;
 473
 474                 pcie_reg += 0x12;
 475                 pci_read_config_word(ha->pdev, pcie_reg, &pcie_lstat);
 476                 lspeed = pcie_lstat & (BIT_0 | BIT_1 | BIT_2 | BIT_3);
 477                 lwidth = (pcie_lstat &
 478                     (BIT_4 | BIT_5 | BIT_6 | BIT_7 | BIT_8 | BIT_9)) >> 4;
 479
 480                 strcpy(str, "PCIe (");
 481                 if (lspeed == 1)
 482                         strcat(str, "2.5GT/s ");
 483                 else if (lspeed == 2)
 484                         strcat(str, "5.0GT/s ");
 485                 else
 486                         strcat(str, "<unknown> ");
 487                 snprintf(lwstr, sizeof(lwstr), "x%d)", lwidth);
 488                 strcat(str, lwstr);
 489
 490                 return str;
 491         }
 492
 493         strcpy(str, "PCI");
 494         pci_bus = (ha->pci_attr & CSRX_PCIX_BUS_MODE_MASK) >> 8;
 495         if (pci_bus == 0 || pci_bus == 8) {
 496                 strcat(str, " (");
 497                 strcat(str, pci_bus_modes[pci_bus >> 3]);
 498         } else {
 499                 strcat(str, "-X ");
 500                 if (pci_bus & BIT_2)
 501                         strcat(str, "Mode 2");
 502                 else
 503                         strcat(str, "Mode 1");
 504                 strcat(str, " (");
 505                 strcat(str, pci_bus_modes[pci_bus & ~BIT_2]);
 506         }
 507         strcat(str, " MHz)");
 508
 509         return str;
 510 }
 511
 512 static char *
 513 qla2x00_fw_version_str(struct scsi_qla_host *vha, char *str)
 514 {
 515         char un_str[10];
 516         struct qla_hw_data *ha = vha->hw;
 517
 518         sprintf(str, "%d.%02d.%02d ", ha->fw_major_version,
 519             ha->fw_minor_version,
 520             ha->fw_subminor_version);
 521
 522         if (ha->fw_attributes & BIT_9) {
 523                 strcat(str, "FLX");
 524                 return (str);
 525         }
 526
 527         switch (ha->fw_attributes & 0xFF) {
 528         case 0x7:
 529                 strcat(str, "EF");
 530                 break;
 531         case 0x17:
 532                 strcat(str, "TP");
 533                 break;
 534         case 0x37:
 535                 strcat(str, "IP");
 536                 break;
 537         case 0x77:
 538                 strcat(str, "VI");
 539                 break;
 540         default:
 541                 sprintf(un_str, "(%x)", ha->fw_attributes);
 542                 strcat(str, un_str);
 543                 break;
 544         }
 545         if (ha->fw_attributes & 0x100)
 546                 strcat(str, "X");
 547
 548         return (str);
 549 }
 550
 551 static char *
 552 qla24xx_fw_version_str(struct scsi_qla_host *vha, char *str)
 553 {
 554         struct qla_hw_data *ha = vha->hw;
 555
 556         sprintf(str, "%d.%02d.%02d (%x)", ha->fw_major_version,
 557             ha->fw_minor_version, ha->fw_subminor_version, ha->fw_attributes);
 558         return str;
 559 }
 560
 561 void
 562 qla2x00_sp_free_dma(void *vha, void *ptr)
 563 {
 564         srb_t *sp = (srb_t *)ptr;
 565         struct scsi_cmnd *cmd = GET_CMD_SP(sp);
 566         struct qla_hw_data *ha = sp->fcport->vha->hw;
 567         void *ctx = GET_CMD_CTX_SP(sp);
 568
 569         if (sp->flags & SRB_DMA_VALID) {
 570                 scsi_dma_unmap(cmd);
 571                 sp->flags &= ~SRB_DMA_VALID;
 572         }
 573
 574         if (sp->flags & SRB_CRC_PROT_DMA_VALID) {
 575                 dma_unmap_sg(&ha->pdev->dev, scsi_prot_sglist(cmd),
 576                     scsi_prot_sg_count(cmd), cmd->sc_data_direction);
 577                 sp->flags &= ~SRB_CRC_PROT_DMA_VALID;
 578         }
 579
 580         if (sp->flags & SRB_CRC_CTX_DSD_VALID) {
 581                 /* List assured to be having elements */
 582                 qla2x00_clean_dsd_pool(ha, sp);
 583                 sp->flags &= ~SRB_CRC_CTX_DSD_VALID;
 584         }
 585
 586         if (sp->flags & SRB_CRC_CTX_DMA_VALID) {
 587                 dma_pool_free(ha->dl_dma_pool, ctx,
 588                     ((struct crc_context *)ctx)->crc_ctx_dma);
 589                 sp->flags &= ~SRB_CRC_CTX_DMA_VALID;
 590         }
 591
 592         if (sp->flags & SRB_FCP_CMND_DMA_VALID) {
 593                 struct ct6_dsd *ctx1 = (struct ct6_dsd *)ctx;
 594
 595                 dma_pool_free(ha->fcp_cmnd_dma_pool, ctx1->fcp_cmnd,
 596                         ctx1->fcp_cmnd_dma);
 597                 list_splice(&ctx1->dsd_list, &ha->gbl_dsd_list);
 598                 ha->gbl_dsd_inuse -= ctx1->dsd_use_cnt;
 599                 ha->gbl_dsd_avail += ctx1->dsd_use_cnt;
 600                 mempool_free(ctx1, ha->ctx_mempool);
 601                 ctx1 = NULL;
 602         }
 603
 604         CMD_SP(cmd) = NULL;
 605         mempool_free(sp, ha->srb_mempool);
 606 }
 607
 608 static void
 609 qla2x00_sp_compl(void *data, void *ptr, int res)
 610 {
 611         struct qla_hw_data *ha = (struct qla_hw_data *)data;
 612         srb_t *sp = (srb_t *)ptr;
 613         struct scsi_cmnd *cmd = GET_CMD_SP(sp);
 614
 615         cmd->result = res;
 616
 617         if (atomic_read(&sp->ref_count) == 0) {
 618                 ql_dbg(ql_dbg_io, sp->fcport->vha, 0x3015,
 619                     "SP reference-count to ZERO -- sp=%p cmd=%p.\n",
 620                     sp, GET_CMD_SP(sp));
 621                 if (ql2xextended_error_logging & ql_dbg_io)
 622                         BUG();
 623                 return;
 624         }
 625         if (!atomic_dec_and_test(&sp->ref_count))
 626                 return;
 627
 628         qla2x00_sp_free_dma(ha, sp);
 629         cmd->scsi_done(cmd);
 630 }
 631
 632 static int
 633 qla2xxx_queuecommand(struct Scsi_Host *host, struct scsi_cmnd *cmd)
 634 {
 635         scsi_qla_host_t *vha = shost_priv(host);
 636         fc_port_t *fcport = (struct fc_port *) cmd->device->hostdata;
 637         struct fc_rport *rport = starget_to_rport(scsi_target(cmd->device));
 638         struct qla_hw_data *ha = vha->hw;
 639         struct scsi_qla_host *base_vha = pci_get_drvdata(ha->pdev);
 640         srb_t *sp;
 641         int rval;
 642
 643         if (ha->flags.eeh_busy) {
 644                 if (ha->flags.pci_channel_io_perm_failure) {
 645                         ql_dbg(ql_dbg_io, vha, 0x3001,
 646                             "PCI Channel IO permanent failure, exiting "
 647                             "cmd=%p.\n", cmd);
 648                         cmd->result = DID_NO_CONNECT << 16;
 649                 } else {
 650                         ql_dbg(ql_dbg_io, vha, 0x3002,
 651                             "EEH_Busy, Requeuing the cmd=%p.\n", cmd);
 652                         cmd->result = DID_REQUEUE << 16;
 653                 }
 654                 goto qc24_fail_command;
 655         }
 656
 657         rval = fc_remote_port_chkready(rport);
 658         if (rval) {
 659                 cmd->result = rval;
 660                 ql_dbg(ql_dbg_io, vha, 0x3003,
 661                     "fc_remote_port_chkready failed for cmd=%p, rval=0x%x.\n",
 662                     cmd, rval);
 663                 goto qc24_fail_command;
 664         }
 665
 666         if (!vha->flags.difdix_supported &&
 667                 scsi_get_prot_op(cmd) != SCSI_PROT_NORMAL) {
 668                         ql_dbg(ql_dbg_io, vha, 0x3004,
 669                             "DIF Cap not reg, fail DIF capable cmd's:%p.\n",
 670                             cmd);
 671                         cmd->result = DID_NO_CONNECT << 16;
 672                         goto qc24_fail_command;
 673         }
 674
 675         if (!fcport) {
 676                 cmd->result = DID_NO_CONNECT << 16;
 677                 goto qc24_fail_command;
 678         }
 679
 680         if (atomic_read(&fcport->state) != FCS_ONLINE) {
 681                 if (atomic_read(&fcport->state) == FCS_DEVICE_DEAD ||
 682                         atomic_read(&base_vha->loop_state) == LOOP_DEAD) {
 683                         ql_dbg(ql_dbg_io, vha, 0x3005,
 684                             "Returning DNC, fcport_state=%d loop_state=%d.\n",
 685                             atomic_read(&fcport->state),
 686                             atomic_read(&base_vha->loop_state));
 687                         cmd->result = DID_NO_CONNECT << 16;
 688                         goto qc24_fail_command;
 689                 }
 690                 goto qc24_target_busy;
 691         }
 692
 693         sp = qla2x00_get_sp(base_vha, fcport, GFP_ATOMIC);
 694         if (!sp)
 695                 goto qc24_host_busy;
 696
 697         sp->u.scmd.cmd = cmd;
 698         sp->type = SRB_SCSI_CMD;
 699         atomic_set(&sp->ref_count, 1);
 700         CMD_SP(cmd) = (void *)sp;
 701         sp->free = qla2x00_sp_free_dma;
 702         sp->done = qla2x00_sp_compl;
 703
 704         rval = ha->isp_ops->start_scsi(sp);
 705         if (rval != QLA_SUCCESS) {
 706                 ql_dbg(ql_dbg_io, vha, 0x3013,
 707                     "Start scsi failed rval=%d for cmd=%p.\n", rval, cmd);
 708                 goto qc24_host_busy_free_sp;
 709         }
 710
 711         return 0;
 712
 713 qc24_host_busy_free_sp:
 714         qla2x00_sp_free_dma(ha, sp);
 715
 716 qc24_host_busy:
 717         return SCSI_MLQUEUE_HOST_BUSY;
 718
 719 qc24_target_busy:
 720         return SCSI_MLQUEUE_TARGET_BUSY;
 721
 722 qc24_fail_command:
 723         cmd->scsi_done(cmd);
 724
 725         return 0;
 726 }
 727
 728 /*
 729  * qla2x00_eh_wait_on_command
 730  *    Waits for the command to be returned by the Firmware for some
 731  *    max time.
 732  *
 733  * Input:
 734  *    cmd = Scsi Command to wait on.
 735  *
 736  * Return:
 737  *    Not Found : 0
 738  *    Found : 1
 739  */
 740 static int
 741 qla2x00_eh_wait_on_command(struct scsi_cmnd *cmd)
 742 {
 743 #define ABORT_POLLING_PERIOD    1000
 744 #define ABORT_WAIT_ITER         ((10 * 1000) / (ABORT_POLLING_PERIOD))
 745         unsigned long wait_iter = ABORT_WAIT_ITER;
 746         scsi_qla_host_t *vha = shost_priv(cmd->device->host);
 747         struct qla_hw_data *ha = vha->hw;
 748         int ret = QLA_SUCCESS;
 749
 750         if (unlikely(pci_channel_offline(ha->pdev)) || ha->flags.eeh_busy) {
 751                 ql_dbg(ql_dbg_taskm, vha, 0x8005,
 752                     "Return:eh_wait.\n");
 753                 return ret;
 754         }
 755
 756         while (CMD_SP(cmd) && wait_iter--) {
 757                 msleep(ABORT_POLLING_PERIOD);
 758         }
 759         if (CMD_SP(cmd))
 760                 ret = QLA_FUNCTION_FAILED;
 761
 762         return ret;
 763 }
 764
 765 /*
 766  * qla2x00_wait_for_hba_online
 767  *    Wait till the HBA is online after going through
 768  *    <= MAX_RETRIES_OF_ISP_ABORT  or
 769  *    finally HBA is disabled ie marked offline
 770  *
 771  * Input:
 772  *     ha - pointer to host adapter structure
 773  *
 774  * Note:
 775  *    Does context switching-Release SPIN_LOCK
 776  *    (if any) before calling this routine.
 777  *
 778  * Return:
 779  *    Success (Adapter is online) : 0
 780  *    Failed  (Adapter is offline/disabled) : 1
 781  */
 782 int
 783 qla2x00_wait_for_hba_online(scsi_qla_host_t *vha)
 784 {
 785         int             return_status;
 786         unsigned long   wait_online;
 787         struct qla_hw_data *ha = vha->hw;
 788         scsi_qla_host_t *base_vha = pci_get_drvdata(ha->pdev);
 789
 790         wait_online = jiffies + (MAX_LOOP_TIMEOUT * HZ);
 791         while (((test_bit(ISP_ABORT_NEEDED, &base_vha->dpc_flags)) ||
 792             test_bit(ABORT_ISP_ACTIVE, &base_vha->dpc_flags) ||
 793             test_bit(ISP_ABORT_RETRY, &base_vha->dpc_flags) ||
 794             ha->dpc_active) && time_before(jiffies, wait_online)) {
 795
 796                 msleep(1000);
 797         }
 798         if (base_vha->flags.online)
 799                 return_status = QLA_SUCCESS;
 800         else
 801                 return_status = QLA_FUNCTION_FAILED;
 802
 803         return (return_status);
 804 }
 805
 806 /*
 807  * qla2x00_wait_for_reset_ready
 808  *    Wait till the HBA is online after going through
 809  *    <= MAX_RETRIES_OF_ISP_ABORT  or
 810  *    finally HBA is disabled ie marked offline or flash
 811  *    operations are in progress.
 812  *
 813  * Input:
 814  *     ha - pointer to host adapter structure
 815  *
 816  * Note:
 817  *    Does context switching-Release SPIN_LOCK
 818  *    (if any) before calling this routine.
 819  *
 820  * Return:
 821  *    Success (Adapter is online/no flash ops) : 0
 822  *    Failed  (Adapter is offline/disabled/flash ops in progress) : 1
 823  */
 824 static int
 825 qla2x00_wait_for_reset_ready(scsi_qla_host_t *vha)
 826 {
 827         int             return_status;
 828         unsigned long   wait_online;
 829         struct qla_hw_data *ha = vha->hw;
 830         scsi_qla_host_t *base_vha = pci_get_drvdata(ha->pdev);
 831
 832         wait_online = jiffies + (MAX_LOOP_TIMEOUT * HZ);
 833         while (((test_bit(ISP_ABORT_NEEDED, &base_vha->dpc_flags)) ||
 834             test_bit(ABORT_ISP_ACTIVE, &base_vha->dpc_flags) ||
 835             test_bit(ISP_ABORT_RETRY, &base_vha->dpc_flags) ||
 836             ha->optrom_state != QLA_SWAITING ||
 837             ha->dpc_active) && time_before(jiffies, wait_online))
 838                 msleep(1000);
 839
 840         if (base_vha->flags.online &&  ha->optrom_state == QLA_SWAITING)
 841                 return_status = QLA_SUCCESS;
 842         else
 843                 return_status = QLA_FUNCTION_FAILED;
 844
 845         ql_dbg(ql_dbg_taskm, vha, 0x8019,
 846             "%s return status=%d.\n", __func__, return_status);
 847
 848         return return_status;
 849 }
 850
 851 int
 852 qla2x00_wait_for_chip_reset(scsi_qla_host_t *vha)
 853 {
 854         int             return_status;
 855         unsigned long   wait_reset;
 856         struct qla_hw_data *ha = vha->hw;
 857         scsi_qla_host_t *base_vha = pci_get_drvdata(ha->pdev);
 858
 859         wait_reset = jiffies + (MAX_LOOP_TIMEOUT * HZ);
 860         while (((test_bit(ISP_ABORT_NEEDED, &base_vha->dpc_flags)) ||
 861             test_bit(ABORT_ISP_ACTIVE, &base_vha->dpc_flags) ||
 862             test_bit(ISP_ABORT_RETRY, &base_vha->dpc_flags) ||
 863             ha->dpc_active) && time_before(jiffies, wait_reset)) {
 864
 865                 msleep(1000);
 866
 867                 if (!test_bit(ISP_ABORT_NEEDED, &base_vha->dpc_flags) &&
 868                     ha->flags.chip_reset_done)
 869                         break;
 870         }
 871         if (ha->flags.chip_reset_done)
 872                 return_status = QLA_SUCCESS;
 873         else
 874                 return_status = QLA_FUNCTION_FAILED;
 875
 876         return return_status;
 877 }
 878
 879 static void
 880 sp_get(struct srb *sp)
 881 {
 882         atomic_inc(&sp->ref_count);
 883 }
 884
 885 /**************************************************************************
 886 * qla2xxx_eh_abort
 887 *
 888 * Description:
 889 *    The abort function will abort the specified command.
 890 *
 891 * Input:
 892 *    cmd = Linux SCSI command packet to be aborted.
 893 *
 894 * Returns:
 895 *    Either SUCCESS or FAILED.
 896 *
 897 * Note:
 898 *    Only return FAILED if command not returned by firmware.
 899 **************************************************************************/
 900 static int
 901 qla2xxx_eh_abort(struct scsi_cmnd *cmd)
 902 {
 903         scsi_qla_host_t *vha = shost_priv(cmd->device->host);
 904         srb_t *sp;
 905         int ret;
 906         unsigned int id, lun;
 907         unsigned long flags;
 908         int wait = 0;
 909         struct qla_hw_data *ha = vha->hw;
 910
 911         if (!CMD_SP(cmd))
 912                 return SUCCESS;
 913
 914         ret = fc_block_scsi_eh(cmd);
 915         if (ret != 0)
 916                 return ret;
 917         ret = SUCCESS;
 918
 919         id = cmd->device->id;
 920         lun = cmd->device->lun;
 921
 922         spin_lock_irqsave(&ha->hardware_lock, flags);
 923         sp = (srb_t *) CMD_SP(cmd);
 924         if (!sp) {
 925                 spin_unlock_irqrestore(&ha->hardware_lock, flags);
 926                 return SUCCESS;
 927         }
 928
 929         ql_dbg(ql_dbg_taskm, vha, 0x8002,
 930             "Aborting from RISC nexus=%ld:%d:%d sp=%p cmd=%p\n",
 931             vha->host_no, id, lun, sp, cmd);
 932
 933         /* Get a reference to the sp and drop the lock.*/
 934         sp_get(sp);
 935
 936         spin_unlock_irqrestore(&ha->hardware_lock, flags);
 937         if (ha->isp_ops->abort_command(sp)) {
 938                 ret = FAILED;
 939                 ql_dbg(ql_dbg_taskm, vha, 0x8003,
 940                     "Abort command mbx failed cmd=%p.\n", cmd);
 941         } else {
 942                 ql_dbg(ql_dbg_taskm, vha, 0x8004,
 943                     "Abort command mbx success cmd=%p.\n", cmd);
 944                 wait = 1;
 945         }
 946
 947         spin_lock_irqsave(&ha->hardware_lock, flags);
 948         sp->done(ha, sp, 0);
 949         spin_unlock_irqrestore(&ha->hardware_lock, flags);
 950
 951         /* Did the command return during mailbox execution? */
 952         if (ret == FAILED && !CMD_SP(cmd))
 953                 ret = SUCCESS;
 954
 955         /* Wait for the command to be returned. */
 956         if (wait) {
 957                 if (qla2x00_eh_wait_on_command(cmd) != QLA_SUCCESS) {
 958                         ql_log(ql_log_warn, vha, 0x8006,
 959                             "Abort handler timed out cmd=%p.\n", cmd);
 960                         ret = FAILED;
 961                 }
 962         }
 963
 964         ql_log(ql_log_info, vha, 0x801c,
 965             "Abort command issued nexus=%ld:%d:%d --  %d %x.\n",
 966             vha->host_no, id, lun, wait, ret);
 967
 968         return ret;
 969 }
 970
 971 int
 972 qla2x00_eh_wait_for_pending_commands(scsi_qla_host_t *vha, unsigned int t,
 973         unsigned int l, enum nexus_wait_type type)
 974 {
 975         int cnt, match, status;
 976         unsigned long flags;
 977         struct qla_hw_data *ha = vha->hw;
 978         struct req_que *req;
 979         srb_t *sp;
 980         struct scsi_cmnd *cmd;
 981
 982         status = QLA_SUCCESS;
 983
 984         spin_lock_irqsave(&ha->hardware_lock, flags);
 985         req = vha->req;
 986         for (cnt = 1; status == QLA_SUCCESS &&
 987                 cnt < MAX_OUTSTANDING_COMMANDS; cnt++) {
 988                 sp = req->outstanding_cmds[cnt];
 989                 if (!sp)
 990                         continue;
 991                 if (sp->type != SRB_SCSI_CMD)
 992                         continue;
 993                 if (vha->vp_idx != sp->fcport->vha->vp_idx)
 994                         continue;
 995                 match = 0;
 996                 cmd = GET_CMD_SP(sp);
 997                 switch (type) {
 998                 case WAIT_HOST:
 999                         match = 1;
1000                         break;
1001                 case WAIT_TARGET:
1002                         match = cmd->device->id == t;
1003                         break;
1004                 case WAIT_LUN:
1005                         match = (cmd->device->id == t &&
1006                                 cmd->device->lun == l);
1007                         break;
1008                 }
1009                 if (!match)
1010                         continue;
1011
1012                 spin_unlock_irqrestore(&ha->hardware_lock, flags);
1013                 status = qla2x00_eh_wait_on_command(cmd);
1014                 spin_lock_irqsave(&ha->hardware_lock, flags);
1015         }
1016         spin_unlock_irqrestore(&ha->hardware_lock, flags);
1017
1018         return status;
1019 }
1020
1021 static char *reset_errors[] = {
1022         "HBA not online",
1023         "HBA not ready",
1024         "Task management failed",
1025         "Waiting for command completions",
1026 };
1027
1028 static int
1029 __qla2xxx_eh_generic_reset(char *name, enum nexus_wait_type type,
1030     struct scsi_cmnd *cmd, int (*do_reset)(struct fc_port *, unsigned int, int))
1031 {
1032         scsi_qla_host_t *vha = shost_priv(cmd->device->host);
1033         fc_port_t *fcport = (struct fc_port *) cmd->device->hostdata;
1034         int err;
1035
1036         if (!fcport) {
1037                 return FAILED;
1038         }
1039
1040         err = fc_block_scsi_eh(cmd);
1041         if (err != 0)
1042                 return err;
1043
1044         ql_log(ql_log_info, vha, 0x8009,
1045             "%s RESET ISSUED nexus=%ld:%d:%d cmd=%p.\n", name, vha->host_no,
1046             cmd->device->id, cmd->device->lun, cmd);
1047
1048         err = 0;
1049         if (qla2x00_wait_for_hba_online(vha) != QLA_SUCCESS) {
1050                 ql_log(ql_log_warn, vha, 0x800a,
1051                     "Wait for hba online failed for cmd=%p.\n", cmd);
1052                 goto eh_reset_failed;
1053         }
1054         err = 2;
1055         if (do_reset(fcport, cmd->device->lun, cmd->request->cpu + 1)
1056                 != QLA_SUCCESS) {
1057                 ql_log(ql_log_warn, vha, 0x800c,
1058                     "do_reset failed for cmd=%p.\n", cmd);
1059                 goto eh_reset_failed;
1060         }
1061         err = 3;
1062         if (qla2x00_eh_wait_for_pending_commands(vha, cmd->device->id,
1063             cmd->device->lun, type) != QLA_SUCCESS) {
1064                 ql_log(ql_log_warn, vha, 0x800d,
1065                     "wait for peding cmds failed for cmd=%p.\n", cmd);
1066                 goto eh_reset_failed;
1067         }
1068
1069         ql_log(ql_log_info, vha, 0x800e,
1070             "%s RESET SUCCEEDED nexus:%ld:%d:%d cmd=%p.\n", name,
1071             vha->host_no, cmd->device->id, cmd->device->lun, cmd);
1072
1073         return SUCCESS;
1074
1075 eh_reset_failed:
1076         ql_log(ql_log_info, vha, 0x800f,
1077             "%s RESET FAILED: %s nexus=%ld:%d:%d cmd=%p.\n", name,
1078             reset_errors[err], vha->host_no, cmd->device->id, cmd->device->lun,
1079             cmd);
1080         return FAILED;
1081 }
1082
1083 static int
1084 qla2xxx_eh_device_reset(struct scsi_cmnd *cmd)
1085 {
1086         scsi_qla_host_t *vha = shost_priv(cmd->device->host);
1087         struct qla_hw_data *ha = vha->hw;
1088
1089         return __qla2xxx_eh_generic_reset("DEVICE", WAIT_LUN, cmd,
1090             ha->isp_ops->lun_reset);
1091 }
1092
1093 static int
1094 qla2xxx_eh_target_reset(struct scsi_cmnd *cmd)
1095 {
1096         scsi_qla_host_t *vha = shost_priv(cmd->device->host);
1097         struct qla_hw_data *ha = vha->hw;
1098
1099         return __qla2xxx_eh_generic_reset("TARGET", WAIT_TARGET, cmd,
1100             ha->isp_ops->target_reset);
1101 }
1102
1103 /**************************************************************************
1104 * qla2xxx_eh_bus_reset
1105 *
1106 * Description:
1107 *    The bus reset function will reset the bus and abort any executing
1108 *    commands.
1109 *
1110 * Input:
1111 *    cmd = Linux SCSI command packet of the command that cause the
1112 *          bus reset.
1113 *
1114 * Returns:
1115 *    SUCCESS/FAILURE (defined as macro in scsi.h).
1116 *
1117 **************************************************************************/
1118 static int
1119 qla2xxx_eh_bus_reset(struct scsi_cmnd *cmd)
1120 {
1121         scsi_qla_host_t *vha = shost_priv(cmd->device->host);
1122         fc_port_t *fcport = (struct fc_port *) cmd->device->hostdata;
1123         int ret = FAILED;
1124         unsigned int id, lun;
1125
1126         id = cmd->device->id;
1127         lun = cmd->device->lun;
1128
1129         if (!fcport) {
1130                 return ret;
1131         }
1132
1133         ret = fc_block_scsi_eh(cmd);
1134         if (ret != 0)
1135                 return ret;
1136         ret = FAILED;
1137
1138         ql_log(ql_log_info, vha, 0x8012,
1139             "BUS RESET ISSUED nexus=%ld:%d%d.\n", vha->host_no, id, lun);
1140
1141         if (qla2x00_wait_for_hba_online(vha) != QLA_SUCCESS) {
1142                 ql_log(ql_log_fatal, vha, 0x8013,
1143                     "Wait for hba online failed board disabled.\n");
1144                 goto eh_bus_reset_done;
1145         }
1146
1147         if (qla2x00_loop_reset(vha) == QLA_SUCCESS)
1148                 ret = SUCCESS;
1149
1150         if (ret == FAILED)
1151                 goto eh_bus_reset_done;
1152
1153         /* Flush outstanding commands. */
1154         if (qla2x00_eh_wait_for_pending_commands(vha, 0, 0, WAIT_HOST) !=
1155             QLA_SUCCESS) {
1156                 ql_log(ql_log_warn, vha, 0x8014,
1157                     "Wait for pending commands failed.\n");
1158                 ret = FAILED;
1159         }
1160
1161 eh_bus_reset_done:
1162         ql_log(ql_log_warn, vha, 0x802b,
1163             "BUS RESET %s nexus=%ld:%d:%d.\n",
1164             (ret == FAILED) ? "FAILED" : "SUCCEDED", vha->host_no, id, lun);
1165
1166         return ret;
1167 }
1168
1169 /**************************************************************************
1170 * qla2xxx_eh_host_reset
1171 *
1172 * Description:
1173 *    The reset function will reset the Adapter.
1174 *
1175 * Input:
1176 *      cmd = Linux SCSI command packet of the command that cause the
1177 *            adapter reset.
1178 *
1179 * Returns:
1180 *      Either SUCCESS or FAILED.
1181 *
1182 * Note:
1183 **************************************************************************/
1184 static int
1185 qla2xxx_eh_host_reset(struct scsi_cmnd *cmd)
1186 {
1187         scsi_qla_host_t *vha = shost_priv(cmd->device->host);
1188         struct qla_hw_data *ha = vha->hw;
1189         int ret = FAILED;
1190         unsigned int id, lun;
1191         scsi_qla_host_t *base_vha = pci_get_drvdata(ha->pdev);
1192
1193         id = cmd->device->id;
1194         lun = cmd->device->lun;
1195
1196         ql_log(ql_log_info, vha, 0x8018,
1197             "ADAPTER RESET ISSUED nexus=%ld:%d:%d.\n", vha->host_no, id, lun);
1198
1199         if (qla2x00_wait_for_reset_ready(vha) != QLA_SUCCESS)
1200                 goto eh_host_reset_lock;
1201
1202         if (vha != base_vha) {
1203                 if (qla2x00_vp_abort_isp(vha))
1204                         goto eh_host_reset_lock;
1205         } else {
1206                 if (IS_QLA82XX(vha->hw)) {
1207                         if (!qla82xx_fcoe_ctx_reset(vha)) {
1208                                 /* Ctx reset success */
1209                                 ret = SUCCESS;
1210                                 goto eh_host_reset_lock;
1211                         }
1212                         /* fall thru if ctx reset failed */
1213                 }
1214                 if (ha->wq)
1215                         flush_workqueue(ha->wq);
1216
1217                 set_bit(ABORT_ISP_ACTIVE, &base_vha->dpc_flags);
1218                 if (ha->isp_ops->abort_isp(base_vha)) {
1219                         clear_bit(ABORT_ISP_ACTIVE, &base_vha->dpc_flags);
1220                         /* failed. schedule dpc to try */
1221                         set_bit(ISP_ABORT_NEEDED, &base_vha->dpc_flags);
1222
1223                         if (qla2x00_wait_for_hba_online(vha) != QLA_SUCCESS) {
1224                                 ql_log(ql_log_warn, vha, 0x802a,
1225                                     "wait for hba online failed.\n");
1226                                 goto eh_host_reset_lock;
1227                         }
1228                 }
1229                 clear_bit(ABORT_ISP_ACTIVE, &base_vha->dpc_flags);
1230         }
1231
1232         /* Waiting for command to be returned to OS.*/
1233         if (qla2x00_eh_wait_for_pending_commands(vha, 0, 0, WAIT_HOST) ==
1234                 QLA_SUCCESS)
1235                 ret = SUCCESS;
1236
1237 eh_host_reset_lock:
1238         ql_log(ql_log_info, vha, 0x8017,
1239             "ADAPTER RESET %s nexus=%ld:%d:%d.\n",
1240             (ret == FAILED) ? "FAILED" : "SUCCEEDED", vha->host_no, id, lun);
1241
1242         return ret;
1243 }
1244
1245 /*
1246 * qla2x00_loop_reset
1247 *      Issue loop reset.
1248 *
1249 * Input:
1250 *      ha = adapter block pointer.
1251 *
1252 * Returns:
1253 *      0 = success
1254 */
1255 int
1256 qla2x00_loop_reset(scsi_qla_host_t *vha)
1257 {
1258         int ret;
1259         struct fc_port *fcport;
1260         struct qla_hw_data *ha = vha->hw;
1261
1262         if (ql2xtargetreset == 1 && ha->flags.enable_target_reset) {
1263                 list_for_each_entry(fcport, &vha->vp_fcports, list) {
1264                         if (fcport->port_type != FCT_TARGET)
1265                                 continue;
1266
1267                         ret = ha->isp_ops->target_reset(fcport, 0, 0);
1268                         if (ret != QLA_SUCCESS) {
1269                                 ql_dbg(ql_dbg_taskm, vha, 0x802c,
1270                                     "Bus Reset failed: Target Reset=%d "
1271                                     "d_id=%x.\n", ret, fcport->d_id.b24);
1272                         }
1273                 }
1274         }
1275
1276         if (ha->flags.enable_lip_full_login && !IS_CNA_CAPABLE(ha)) {
1277                 ret = qla2x00_full_login_lip(vha);
1278                 if (ret != QLA_SUCCESS) {
1279                         ql_dbg(ql_dbg_taskm, vha, 0x802d,
1280                             "full_login_lip=%d.\n", ret);
1281                 }
1282                 atomic_set(&vha->loop_state, LOOP_DOWN);
1283                 atomic_set(&vha->loop_down_timer, LOOP_DOWN_TIME);
1284                 qla2x00_mark_all_devices_lost(vha, 0);
1285         }
1286
1287         if (ha->flags.enable_lip_reset) {
1288                 ret = qla2x00_lip_reset(vha);
1289                 if (ret != QLA_SUCCESS)
1290                         ql_dbg(ql_dbg_taskm, vha, 0x802e,
1291                             "lip_reset failed (%d).\n", ret);
1292         }
1293
1294         /* Issue marker command only when we are going to start the I/O */
1295         vha->marker_needed = 1;
1296
1297         return QLA_SUCCESS;
1298 }
1299
1300 void
1301 qla2x00_abort_all_cmds(scsi_qla_host_t *vha, int res)
1302 {
1303         int que, cnt;
1304         unsigned long flags;
1305         srb_t *sp;
1306         struct qla_hw_data *ha = vha->hw;
1307         struct req_que *req;
1308
1309         spin_lock_irqsave(&ha->hardware_lock, flags);
1310         for (que = 0; que < ha->max_req_queues; que++) {
1311                 req = ha->req_q_map[que];
1312                 if (!req)
1313                         continue;
1314                 for (cnt = 1; cnt < MAX_OUTSTANDING_COMMANDS; cnt++) {
1315                         sp = req->outstanding_cmds[cnt];
1316                         if (sp) {
1317                                 req->outstanding_cmds[cnt] = NULL;
1318                                 sp->done(vha, sp, res);
1319                         }
1320                 }
1321         }
1322         spin_unlock_irqrestore(&ha->hardware_lock, flags);
1323 }
1324
1325 static int
1326 qla2xxx_slave_alloc(struct scsi_device *sdev)
1327 {
1328         struct fc_rport *rport = starget_to_rport(scsi_target(sdev));
1329
1330         if (!rport || fc_remote_port_chkready(rport))
1331                 return -ENXIO;
1332
1333         sdev->hostdata = *(fc_port_t **)rport->dd_data;
1334
1335         return 0;
1336 }
1337
1338 static int
1339 qla2xxx_slave_configure(struct scsi_device *sdev)
1340 {
1341         scsi_qla_host_t *vha = shost_priv(sdev->host);
1342         struct req_que *req = vha->req;
1343
1344         if (sdev->tagged_supported)
1345                 scsi_activate_tcq(sdev, req->max_q_depth);
1346         else
1347                 scsi_deactivate_tcq(sdev, req->max_q_depth);
1348         return 0;
1349 }
1350
1351 static void
1352 qla2xxx_slave_destroy(struct scsi_device *sdev)
1353 {
1354         sdev->hostdata = NULL;
1355 }
1356
1357 static void qla2x00_handle_queue_full(struct scsi_device *sdev, int qdepth)
1358 {
1359         fc_port_t *fcport = (struct fc_port *) sdev->hostdata;
1360
1361         if (!scsi_track_queue_full(sdev, qdepth))
1362                 return;
1363
1364         ql_dbg(ql_dbg_io, fcport->vha, 0x3029,
1365             "Queue depth adjusted-down to %d for nexus=%ld:%d:%d.\n",
1366             sdev->queue_depth, fcport->vha->host_no, sdev->id, sdev->lun);
1367 }
1368
1369 static void qla2x00_adjust_sdev_qdepth_up(struct scsi_device *sdev, int qdepth)
1370 {
1371         fc_port_t *fcport = sdev->hostdata;
1372         struct scsi_qla_host *vha = fcport->vha;
1373         struct req_que *req = NULL;
1374
1375         req = vha->req;
1376         if (!req)
1377                 return;
1378
1379         if (req->max_q_depth <= sdev->queue_depth || req->max_q_depth < qdepth)
1380                 return;
1381
1382         if (sdev->ordered_tags)
1383                 scsi_adjust_queue_depth(sdev, MSG_ORDERED_TAG, qdepth);
1384         else
1385                 scsi_adjust_queue_depth(sdev, MSG_SIMPLE_TAG, qdepth);
1386
1387         ql_dbg(ql_dbg_io, vha, 0x302a,
1388             "Queue depth adjusted-up to %d for nexus=%ld:%d:%d.\n",
1389             sdev->queue_depth, fcport->vha->host_no, sdev->id, sdev->lun);
1390 }
1391
1392 static int
1393 qla2x00_change_queue_depth(struct scsi_device *sdev, int qdepth, int reason)
1394 {
1395         switch (reason) {
1396         case SCSI_QDEPTH_DEFAULT:
1397                 scsi_adjust_queue_depth(sdev, scsi_get_tag_type(sdev), qdepth);
1398                 break;
1399         case SCSI_QDEPTH_QFULL:
1400                 qla2x00_handle_queue_full(sdev, qdepth);
1401                 break;
1402         case SCSI_QDEPTH_RAMP_UP:
1403                 qla2x00_adjust_sdev_qdepth_up(sdev, qdepth);
1404                 break;
1405         default:
1406                 return -EOPNOTSUPP;
1407         }
1408
1409         return sdev->queue_depth;
1410 }
1411
1412 static int
1413 qla2x00_change_queue_type(struct scsi_device *sdev, int tag_type)
1414 {
1415         if (sdev->tagged_supported) {
1416                 scsi_set_tag_type(sdev, tag_type);
1417                 if (tag_type)
1418                         scsi_activate_tcq(sdev, sdev->queue_depth);
1419                 else
1420                         scsi_deactivate_tcq(sdev, sdev->queue_depth);
1421         } else
1422                 tag_type = 0;
1423
1424         return tag_type;
1425 }
1426
1427 /**
1428  * qla2x00_config_dma_addressing() - Configure OS DMA addressing method.
1429  * @ha: HA context
1430  *
1431  * At exit, the @ha's flags.enable_64bit_addressing set to indicated
1432  * supported addressing method.
1433  */
1434 static void
1435 qla2x00_config_dma_addressing(struct qla_hw_data *ha)
1436 {
1437         /* Assume a 32bit DMA mask. */
1438         ha->flags.enable_64bit_addressing = 0;
1439
1440         if (!dma_set_mask(&ha->pdev->dev, DMA_BIT_MASK(64))) {
1441                 /* Any upper-dword bits set? */
1442                 if (MSD(dma_get_required_mask(&ha->pdev->dev)) &&
1443                     !pci_set_consistent_dma_mask(ha->pdev, DMA_BIT_MASK(64))) {
1444                         /* Ok, a 64bit DMA mask is applicable. */
1445                         ha->flags.enable_64bit_addressing = 1;
1446                         ha->isp_ops->calc_req_entries = qla2x00_calc_iocbs_64;
1447                         ha->isp_ops->build_iocbs = qla2x00_build_scsi_iocbs_64;
1448                         return;
1449                 }
1450         }
1451
1452         dma_set_mask(&ha->pdev->dev, DMA_BIT_MASK(32));
1453         pci_set_consistent_dma_mask(ha->pdev, DMA_BIT_MASK(32));
1454 }
1455
1456 static void
1457 qla2x00_enable_intrs(struct qla_hw_data *ha)
1458 {
1459         unsigned long flags = 0;
1460         struct device_reg_2xxx __iomem *reg = &ha->iobase->isp;
1461
1462         spin_lock_irqsave(&ha->hardware_lock, flags);
1463         ha->interrupts_on = 1;
1464         /* enable risc and host interrupts */
1465         WRT_REG_WORD(&reg->ictrl, ICR_EN_INT | ICR_EN_RISC);
1466         RD_REG_WORD(&reg->ictrl);
1467         spin_unlock_irqrestore(&ha->hardware_lock, flags);
1468
1469 }
1470
1471 static void
1472 qla2x00_disable_intrs(struct qla_hw_data *ha)
1473 {
1474         unsigned long flags = 0;
1475         struct device_reg_2xxx __iomem *reg = &ha->iobase->isp;
1476
1477         spin_lock_irqsave(&ha->hardware_lock, flags);
1478         ha->interrupts_on = 0;
1479         /* disable risc and host interrupts */
1480         WRT_REG_WORD(&reg->ictrl, 0);
1481         RD_REG_WORD(&reg->ictrl);
1482         spin_unlock_irqrestore(&ha->hardware_lock, flags);
1483 }
1484
1485 static void
1486 qla24xx_enable_intrs(struct qla_hw_data *ha)
1487 {
1488         unsigned long flags = 0;
1489         struct device_reg_24xx __iomem *reg = &ha->iobase->isp24;
1490
1491         spin_lock_irqsave(&ha->hardware_lock, flags);
1492         ha->interrupts_on = 1;
1493         WRT_REG_DWORD(&reg->ictrl, ICRX_EN_RISC_INT);
1494         RD_REG_DWORD(&reg->ictrl);
1495         spin_unlock_irqrestore(&ha->hardware_lock, flags);
1496 }
1497
1498 static void
1499 qla24xx_disable_intrs(struct qla_hw_data *ha)
1500 {
1501         unsigned long flags = 0;
1502         struct device_reg_24xx __iomem *reg = &ha->iobase->isp24;
1503
1504         if (IS_NOPOLLING_TYPE(ha))
1505                 return;
1506         spin_lock_irqsave(&ha->hardware_lock, flags);
1507         ha->interrupts_on = 0;
1508         WRT_REG_DWORD(&reg->ictrl, 0);
1509         RD_REG_DWORD(&reg->ictrl);
1510         spin_unlock_irqrestore(&ha->hardware_lock, flags);
1511 }
1512
1513 static int
1514 qla2x00_iospace_config(struct qla_hw_data *ha)
1515 {
1516         resource_size_t pio;
1517         uint16_t msix;
1518         int cpus;
1519
1520         if (pci_request_selected_regions(ha->pdev, ha->bars,
1521             QLA2XXX_DRIVER_NAME)) {
1522                 ql_log_pci(ql_log_fatal, ha->pdev, 0x0011,
1523                     "Failed to reserve PIO/MMIO regions (%s), aborting.\n",
1524                     pci_name(ha->pdev));
1525                 goto iospace_error_exit;
1526         }
1527         if (!(ha->bars & 1))
1528                 goto skip_pio;
1529
1530         /* We only need PIO for Flash operations on ISP2312 v2 chips. */
1531         pio = pci_resource_start(ha->pdev, 0);
1532         if (pci_resource_flags(ha->pdev, 0) & IORESOURCE_IO) {
1533                 if (pci_resource_len(ha->pdev, 0) < MIN_IOBASE_LEN) {
1534                         ql_log_pci(ql_log_warn, ha->pdev, 0x0012,
1535                             "Invalid pci I/O region size (%s).\n",
1536                             pci_name(ha->pdev));
1537                         pio = 0;
1538                 }
1539         } else {
1540                 ql_log_pci(ql_log_warn, ha->pdev, 0x0013,
1541                     "Region #0 no a PIO resource (%s).\n",
1542                     pci_name(ha->pdev));
1543                 pio = 0;
1544         }
1545         ha->pio_address = pio;
1546         ql_dbg_pci(ql_dbg_init, ha->pdev, 0x0014,
1547             "PIO address=%llu.\n",
1548             (unsigned long long)ha->pio_address);
1549
1550 skip_pio:
1551         /* Use MMIO operations for all accesses. */
1552         if (!(pci_resource_flags(ha->pdev, 1) & IORESOURCE_MEM)) {
1553                 ql_log_pci(ql_log_fatal, ha->pdev, 0x0015,
1554                     "Region #1 not an MMIO resource (%s), aborting.\n",
1555                     pci_name(ha->pdev));
1556                 goto iospace_error_exit;
1557         }
1558         if (pci_resource_len(ha->pdev, 1) < MIN_IOBASE_LEN) {
1559                 ql_log_pci(ql_log_fatal, ha->pdev, 0x0016,
1560                     "Invalid PCI mem region size (%s), aborting.\n",
1561                     pci_name(ha->pdev));
1562                 goto iospace_error_exit;
1563         }
1564
1565         ha->iobase = ioremap(pci_resource_start(ha->pdev, 1), MIN_IOBASE_LEN);
1566         if (!ha->iobase) {
1567                 ql_log_pci(ql_log_fatal, ha->pdev, 0x0017,
1568                     "Cannot remap MMIO (%s), aborting.\n",
1569                     pci_name(ha->pdev));
1570                 goto iospace_error_exit;
1571         }
1572
1573         /* Determine queue resources */
1574         ha->max_req_queues = ha->max_rsp_queues = 1;
1575         if ((ql2xmaxqueues <= 1 && !ql2xmultique_tag) ||
1576                 (ql2xmaxqueues > 1 && ql2xmultique_tag) ||
1577                 (!IS_QLA25XX(ha) && !IS_QLA81XX(ha)))
1578                 goto mqiobase_exit;
1579
1580         ha->mqiobase = ioremap(pci_resource_start(ha->pdev, 3),
1581                         pci_resource_len(ha->pdev, 3));
1582         if (ha->mqiobase) {
1583                 ql_dbg_pci(ql_dbg_init, ha->pdev, 0x0018,
1584                     "MQIO Base=%p.\n", ha->mqiobase);
1585                 /* Read MSIX vector size of the board */
1586                 pci_read_config_word(ha->pdev, QLA_PCI_MSIX_CONTROL, &msix);
1587                 ha->msix_count = msix;
1588                 /* Max queues are bounded by available msix vectors */
1589                 /* queue 0 uses two msix vectors */
1590                 if (ql2xmultique_tag) {
1591                         cpus = num_online_cpus();
1592                         ha->max_rsp_queues = (ha->msix_count - 1 > cpus) ?
1593                                 (cpus + 1) : (ha->msix_count - 1);
1594                         ha->max_req_queues = 2;
1595                 } else if (ql2xmaxqueues > 1) {
1596                         ha->max_req_queues = ql2xmaxqueues > QLA_MQ_SIZE ?
1597                             QLA_MQ_SIZE : ql2xmaxqueues;
1598                         ql_dbg_pci(ql_dbg_multiq, ha->pdev, 0xc008,
1599                             "QoS mode set, max no of request queues:%d.\n",
1600                             ha->max_req_queues);
1601                         ql_dbg_pci(ql_dbg_init, ha->pdev, 0x0019,
1602                             "QoS mode set, max no of request queues:%d.\n",
1603                             ha->max_req_queues);
1604                 }
1605                 ql_log_pci(ql_log_info, ha->pdev, 0x001a,
1606                     "MSI-X vector count: %d.\n", msix);
1607         } else
1608                 ql_log_pci(ql_log_info, ha->pdev, 0x001b,
1609                     "BAR 3 not enabled.\n");
1610
1611 mqiobase_exit:
1612         ha->msix_count = ha->max_rsp_queues + 1;
1613         ql_dbg_pci(ql_dbg_init, ha->pdev, 0x001c,
1614             "MSIX Count:%d.\n", ha->msix_count);
1615         return (0);
1616
1617 iospace_error_exit:
1618         return (-ENOMEM);
1619 }
1620
1621
1622 static int
1623 qla83xx_iospace_config(struct qla_hw_data *ha)
1624 {
1625         uint16_t msix;
1626         int cpus;
1627
1628         if (pci_request_selected_regions(ha->pdev, ha->bars,
1629             QLA2XXX_DRIVER_NAME)) {
1630                 ql_log_pci(ql_log_fatal, ha->pdev, 0x0117,
1631                     "Failed to reserve PIO/MMIO regions (%s), aborting.\n",
1632                     pci_name(ha->pdev));
1633
1634                 goto iospace_error_exit;
1635         }
1636
1637         /* Use MMIO operations for all accesses. */
1638         if (!(pci_resource_flags(ha->pdev, 0) & IORESOURCE_MEM)) {
1639                 ql_log_pci(ql_log_warn, ha->pdev, 0x0118,
1640                     "Invalid pci I/O region size (%s).\n",
1641                     pci_name(ha->pdev));
1642                 goto iospace_error_exit;
1643         }
1644         if (pci_resource_len(ha->pdev, 0) < MIN_IOBASE_LEN) {
1645                 ql_log_pci(ql_log_warn, ha->pdev, 0x0119,
1646                     "Invalid PCI mem region size (%s), aborting\n",
1647                         pci_name(ha->pdev));
1648                 goto iospace_error_exit;
1649         }
1650
1651         ha->iobase = ioremap(pci_resource_start(ha->pdev, 0), MIN_IOBASE_LEN);
1652         if (!ha->iobase) {
1653                 ql_log_pci(ql_log_fatal, ha->pdev, 0x011a,
1654                     "Cannot remap MMIO (%s), aborting.\n",
1655                     pci_name(ha->pdev));
1656                 goto iospace_error_exit;
1657         }
1658
1659         /* 64bit PCI BAR - BAR2 will correspoond to region 4 */
1660         /* 83XX 26XX always use MQ type access for queues
1661          * - mbar 2, a.k.a region 4 */
1662         ha->max_req_queues = ha->max_rsp_queues = 1;
1663         ha->mqiobase = ioremap(pci_resource_start(ha->pdev, 4),
1664                         pci_resource_len(ha->pdev, 4));
1665
1666         if (!ha->mqiobase) {
1667                 ql_log_pci(ql_log_fatal, ha->pdev, 0x011d,
1668                     "BAR2/region4 not enabled\n");
1669                 goto mqiobase_exit;
1670         }
1671
1672         ha->msixbase = ioremap(pci_resource_start(ha->pdev, 2),
1673                         pci_resource_len(ha->pdev, 2));
1674         if (ha->msixbase) {
1675                 /* Read MSIX vector size of the board */
1676                 pci_read_config_word(ha->pdev,
1677                     QLA_83XX_PCI_MSIX_CONTROL, &msix);
1678                 ha->msix_count = msix;
1679                 /* Max queues are bounded by available msix vectors */
1680                 /* queue 0 uses two msix vectors */
1681                 if (ql2xmultique_tag) {
1682                         cpus = num_online_cpus();
1683                         ha->max_rsp_queues = (ha->msix_count - 1 > cpus) ?
1684                                 (cpus + 1) : (ha->msix_count - 1);
1685                         ha->max_req_queues = 2;
1686                 } else if (ql2xmaxqueues > 1) {
1687                         ha->max_req_queues = ql2xmaxqueues > QLA_MQ_SIZE ?
1688                                                 QLA_MQ_SIZE : ql2xmaxqueues;
1689                         ql_dbg_pci(ql_dbg_multiq, ha->pdev, 0xc00c,
1690                             "QoS mode set, max no of request queues:%d.\n",
1691                             ha->max_req_queues);
1692                         ql_dbg_pci(ql_dbg_init, ha->pdev, 0x011b,
1693                             "QoS mode set, max no of request queues:%d.\n",
1694                             ha->max_req_queues);
1695                 }
1696                 ql_log_pci(ql_log_info, ha->pdev, 0x011c,
1697                     "MSI-X vector count: %d.\n", msix);
1698         } else
1699                 ql_log_pci(ql_log_info, ha->pdev, 0x011e,
1700                     "BAR 1 not enabled.\n");
1701
1702 mqiobase_exit:
1703         ha->msix_count = ha->max_rsp_queues + 1;
1704         ql_dbg_pci(ql_dbg_init, ha->pdev, 0x011f,
1705             "MSIX Count:%d.\n", ha->msix_count);
1706         return 0;
1707
1708 iospace_error_exit:
1709         return -ENOMEM;
1710 }
1711
1712 static struct isp_operations qla2100_isp_ops = {
1713         .pci_config             = qla2100_pci_config,
1714         .reset_chip             = qla2x00_reset_chip,
1715         .chip_diag              = qla2x00_chip_diag,
1716         .config_rings           = qla2x00_config_rings,
1717         .reset_adapter          = qla2x00_reset_adapter,
1718         .nvram_config           = qla2x00_nvram_config,
1719         .update_fw_options      = qla2x00_update_fw_options,
1720         .load_risc              = qla2x00_load_risc,
1721         .pci_info_str           = qla2x00_pci_info_str,
1722         .fw_version_str         = qla2x00_fw_version_str,
1723         .intr_handler           = qla2100_intr_handler,
1724         .enable_intrs           = qla2x00_enable_intrs,
1725         .disable_intrs          = qla2x00_disable_intrs,
1726         .abort_command          = qla2x00_abort_command,
1727         .target_reset           = qla2x00_abort_target,
1728         .lun_reset              = qla2x00_lun_reset,
1729         .fabric_login           = qla2x00_login_fabric,
1730         .fabric_logout          = qla2x00_fabric_logout,
1731         .calc_req_entries       = qla2x00_calc_iocbs_32,
1732         .build_iocbs            = qla2x00_build_scsi_iocbs_32,
1733         .prep_ms_iocb           = qla2x00_prep_ms_iocb,
1734         .prep_ms_fdmi_iocb      = qla2x00_prep_ms_fdmi_iocb,
1735         .read_nvram             = qla2x00_read_nvram_data,
1736         .write_nvram            = qla2x00_write_nvram_data,
1737         .fw_dump                = qla2100_fw_dump,
1738         .beacon_on              = NULL,
1739         .beacon_off             = NULL,
1740         .beacon_blink           = NULL,
1741         .read_optrom            = qla2x00_read_optrom_data,
1742         .write_optrom           = qla2x00_write_optrom_data,
1743         .get_flash_version      = qla2x00_get_flash_version,
1744         .start_scsi             = qla2x00_start_scsi,
1745         .abort_isp              = qla2x00_abort_isp,
1746         .iospace_config         = qla2x00_iospace_config,
1747 };
1748
1749 static struct isp_operations qla2300_isp_ops = {
1750         .pci_config             = qla2300_pci_config,
1751         .reset_chip             = qla2x00_reset_chip,
1752         .chip_diag              = qla2x00_chip_diag,
1753         .config_rings           = qla2x00_config_rings,
1754         .reset_adapter          = qla2x00_reset_adapter,
1755         .nvram_config           = qla2x00_nvram_config,
1756         .update_fw_options      = qla2x00_update_fw_options,
1757         .load_risc              = qla2x00_load_risc,
1758         .pci_info_str           = qla2x00_pci_info_str,
1759         .fw_version_str         = qla2x00_fw_version_str,
1760         .intr_handler           = qla2300_intr_handler,
1761         .enable_intrs           = qla2x00_enable_intrs,
1762         .disable_intrs          = qla2x00_disable_intrs,
1763         .abort_command          = qla2x00_abort_command,
1764         .target_reset           = qla2x00_abort_target,
1765         .lun_reset              = qla2x00_lun_reset,
1766         .fabric_login           = qla2x00_login_fabric,
1767         .fabric_logout          = qla2x00_fabric_logout,
1768         .calc_req_entries       = qla2x00_calc_iocbs_32,
1769         .build_iocbs            = qla2x00_build_scsi_iocbs_32,
1770         .prep_ms_iocb           = qla2x00_prep_ms_iocb,
1771         .prep_ms_fdmi_iocb      = qla2x00_prep_ms_fdmi_iocb,
1772         .read_nvram             = qla2x00_read_nvram_data,
1773         .write_nvram            = qla2x00_write_nvram_data,
1774         .fw_dump                = qla2300_fw_dump,
1775         .beacon_on              = qla2x00_beacon_on,
1776         .beacon_off             = qla2x00_beacon_off,
1777         .beacon_blink           = qla2x00_beacon_blink,
1778         .read_optrom            = qla2x00_read_optrom_data,
1779         .write_optrom           = qla2x00_write_optrom_data,
1780         .get_flash_version      = qla2x00_get_flash_version,
1781         .start_scsi             = qla2x00_start_scsi,
1782         .abort_isp              = qla2x00_abort_isp,
1783         .iospace_config         = qla2x00_iospace_config,
1784 };
1785
1786 static struct isp_operations qla24xx_isp_ops = {
1787         .pci_config             = qla24xx_pci_config,
1788         .reset_chip             = qla24xx_reset_chip,
1789         .chip_diag              = qla24xx_chip_diag,
1790         .config_rings           = qla24xx_config_rings,
1791         .reset_adapter          = qla24xx_reset_adapter,
1792         .nvram_config           = qla24xx_nvram_config,
1793         .update_fw_options      = qla24xx_update_fw_options,
1794         .load_risc              = qla24xx_load_risc,
1795         .pci_info_str           = qla24xx_pci_info_str,
1796         .fw_version_str         = qla24xx_fw_version_str,
1797         .intr_handler           = qla24xx_intr_handler,
1798         .enable_intrs           = qla24xx_enable_intrs,
1799         .disable_intrs          = qla24xx_disable_intrs,
1800         .abort_command          = qla24xx_abort_command,
1801         .target_reset           = qla24xx_abort_target,
1802         .lun_reset              = qla24xx_lun_reset,
1803         .fabric_login           = qla24xx_login_fabric,
1804         .fabric_logout          = qla24xx_fabric_logout,
1805         .calc_req_entries       = NULL,
1806         .build_iocbs            = NULL,
1807         .prep_ms_iocb           = qla24xx_prep_ms_iocb,
1808         .prep_ms_fdmi_iocb      = qla24xx_prep_ms_fdmi_iocb,
1809         .read_nvram             = qla24xx_read_nvram_data,
1810         .write_nvram            = qla24xx_write_nvram_data,
1811         .fw_dump                = qla24xx_fw_dump,
1812         .beacon_on              = qla24xx_beacon_on,
1813         .beacon_off             = qla24xx_beacon_off,
1814         .beacon_blink           = qla24xx_beacon_blink,
1815         .read_optrom            = qla24xx_read_optrom_data,
1816         .write_optrom           = qla24xx_write_optrom_data,
1817         .get_flash_version      = qla24xx_get_flash_version,
1818         .start_scsi             = qla24xx_start_scsi,
1819         .abort_isp              = qla2x00_abort_isp,
1820         .iospace_config         = qla2x00_iospace_config,
1821 };
1822
1823 static struct isp_operations qla25xx_isp_ops = {
1824         .pci_config             = qla25xx_pci_config,
1825         .reset_chip             = qla24xx_reset_chip,
1826         .chip_diag              = qla24xx_chip_diag,
1827         .config_rings           = qla24xx_config_rings,
1828         .reset_adapter          = qla24xx_reset_adapter,
1829         .nvram_config           = qla24xx_nvram_config,
1830         .update_fw_options      = qla24xx_update_fw_options,
1831         .load_risc              = qla24xx_load_risc,
1832         .pci_info_str           = qla24xx_pci_info_str,
1833         .fw_version_str         = qla24xx_fw_version_str,
1834         .intr_handler           = qla24xx_intr_handler,
1835         .enable_intrs           = qla24xx_enable_intrs,
1836         .disable_intrs          = qla24xx_disable_intrs,
1837         .abort_command          = qla24xx_abort_command,
1838         .target_reset           = qla24xx_abort_target,
1839         .lun_reset              = qla24xx_lun_reset,
1840         .fabric_login           = qla24xx_login_fabric,
1841         .fabric_logout          = qla24xx_fabric_logout,
1842         .calc_req_entries       = NULL,
1843         .build_iocbs            = NULL,
1844         .prep_ms_iocb           = qla24xx_prep_ms_iocb,
1845         .prep_ms_fdmi_iocb      = qla24xx_prep_ms_fdmi_iocb,
1846         .read_nvram             = qla25xx_read_nvram_data,
1847         .write_nvram            = qla25xx_write_nvram_data,
1848         .fw_dump                = qla25xx_fw_dump,
1849         .beacon_on              = qla24xx_beacon_on,
1850         .beacon_off             = qla24xx_beacon_off,
1851         .beacon_blink           = qla24xx_beacon_blink,
1852         .read_optrom            = qla25xx_read_optrom_data,
1853         .write_optrom           = qla24xx_write_optrom_data,
1854         .get_flash_version      = qla24xx_get_flash_version,
1855         .start_scsi             = qla24xx_dif_start_scsi,
1856         .abort_isp              = qla2x00_abort_isp,
1857         .iospace_config         = qla2x00_iospace_config,
1858 };
1859
1860 static struct isp_operations qla81xx_isp_ops = {
1861         .pci_config             = qla25xx_pci_config,
1862         .reset_chip             = qla24xx_reset_chip,
1863         .chip_diag              = qla24xx_chip_diag,
1864         .config_rings           = qla24xx_config_rings,
1865         .reset_adapter          = qla24xx_reset_adapter,
1866         .nvram_config           = qla81xx_nvram_config,
1867         .update_fw_options      = qla81xx_update_fw_options,
1868         .load_risc              = qla81xx_load_risc,
1869         .pci_info_str           = qla24xx_pci_info_str,
1870         .fw_version_str         = qla24xx_fw_version_str,
1871         .intr_handler           = qla24xx_intr_handler,
1872         .enable_intrs           = qla24xx_enable_intrs,
1873         .disable_intrs          = qla24xx_disable_intrs,
1874         .abort_command          = qla24xx_abort_command,
1875         .target_reset           = qla24xx_abort_target,
1876         .lun_reset              = qla24xx_lun_reset,
1877         .fabric_login           = qla24xx_login_fabric,
1878         .fabric_logout          = qla24xx_fabric_logout,
1879         .calc_req_entries       = NULL,
1880         .build_iocbs            = NULL,
1881         .prep_ms_iocb           = qla24xx_prep_ms_iocb,
1882         .prep_ms_fdmi_iocb      = qla24xx_prep_ms_fdmi_iocb,
1883         .read_nvram             = NULL,
1884         .write_nvram            = NULL,
1885         .fw_dump                = qla81xx_fw_dump,
1886         .beacon_on              = qla24xx_beacon_on,
1887         .beacon_off             = qla24xx_beacon_off,
1888         .beacon_blink           = qla83xx_beacon_blink,
1889         .read_optrom            = qla25xx_read_optrom_data,
1890         .write_optrom           = qla24xx_write_optrom_data,
1891         .get_flash_version      = qla24xx_get_flash_version,
1892         .start_scsi             = qla24xx_dif_start_scsi,
1893         .abort_isp              = qla2x00_abort_isp,
1894         .iospace_config         = qla2x00_iospace_config,
1895 };
1896
1897 static struct isp_operations qla82xx_isp_ops = {
1898         .pci_config             = qla82xx_pci_config,
1899         .reset_chip             = qla82xx_reset_chip,
1900         .chip_diag              = qla24xx_chip_diag,
1901         .config_rings           = qla82xx_config_rings,
1902         .reset_adapter          = qla24xx_reset_adapter,
1903         .nvram_config           = qla81xx_nvram_config,
1904         .update_fw_options      = qla24xx_update_fw_options,
1905         .load_risc              = qla82xx_load_risc,
1906         .pci_info_str           = qla82xx_pci_info_str,
1907         .fw_version_str         = qla24xx_fw_version_str,
1908         .intr_handler           = qla82xx_intr_handler,
1909         .enable_intrs           = qla82xx_enable_intrs,
1910         .disable_intrs          = qla82xx_disable_intrs,
1911         .abort_command          = qla24xx_abort_command,
1912         .target_reset           = qla24xx_abort_target,
1913         .lun_reset              = qla24xx_lun_reset,
1914         .fabric_login           = qla24xx_login_fabric,
1915         .fabric_logout          = qla24xx_fabric_logout,
1916         .calc_req_entries       = NULL,
1917         .build_iocbs            = NULL,
1918         .prep_ms_iocb           = qla24xx_prep_ms_iocb,
1919         .prep_ms_fdmi_iocb      = qla24xx_prep_ms_fdmi_iocb,
1920         .read_nvram             = qla24xx_read_nvram_data,
1921         .write_nvram            = qla24xx_write_nvram_data,
1922         .fw_dump                = qla24xx_fw_dump,
1923         .beacon_on              = qla82xx_beacon_on,
1924         .beacon_off             = qla82xx_beacon_off,
1925         .beacon_blink           = NULL,
1926         .read_optrom            = qla82xx_read_optrom_data,
1927         .write_optrom           = qla82xx_write_optrom_data,
1928         .get_flash_version      = qla24xx_get_flash_version,
1929         .start_scsi             = qla82xx_start_scsi,
1930         .abort_isp              = qla82xx_abort_isp,
1931         .iospace_config         = qla82xx_iospace_config,
1932 };
1933
1934 static struct isp_operations qla83xx_isp_ops = {
1935         .pci_config             = qla25xx_pci_config,
1936         .reset_chip             = qla24xx_reset_chip,
1937         .chip_diag              = qla24xx_chip_diag,
1938         .config_rings           = qla24xx_config_rings,
1939         .reset_adapter          = qla24xx_reset_adapter,
1940         .nvram_config           = qla81xx_nvram_config,
1941         .update_fw_options      = qla81xx_update_fw_options,
1942         .load_risc              = qla81xx_load_risc,
1943         .pci_info_str           = qla24xx_pci_info_str,
1944         .fw_version_str         = qla24xx_fw_version_str,
1945         .intr_handler           = qla24xx_intr_handler,
1946         .enable_intrs           = qla24xx_enable_intrs,
1947         .disable_intrs          = qla24xx_disable_intrs,
1948         .abort_command          = qla24xx_abort_command,
1949         .target_reset           = qla24xx_abort_target,
1950         .lun_reset              = qla24xx_lun_reset,
1951         .fabric_login           = qla24xx_login_fabric,
1952         .fabric_logout          = qla24xx_fabric_logout,
1953         .calc_req_entries       = NULL,
1954         .build_iocbs            = NULL,
1955         .prep_ms_iocb           = qla24xx_prep_ms_iocb,
1956         .prep_ms_fdmi_iocb      = qla24xx_prep_ms_fdmi_iocb,
1957         .read_nvram             = NULL,
1958         .write_nvram            = NULL,
1959         .fw_dump                = qla83xx_fw_dump,
1960         .beacon_on              = qla24xx_beacon_on,
1961         .beacon_off             = qla24xx_beacon_off,
1962         .beacon_blink           = qla83xx_beacon_blink,
1963         .read_optrom            = qla25xx_read_optrom_data,
1964         .write_optrom           = qla24xx_write_optrom_data,
1965         .get_flash_version      = qla24xx_get_flash_version,
1966         .start_scsi             = qla24xx_dif_start_scsi,
1967         .abort_isp              = qla2x00_abort_isp,
1968         .iospace_config         = qla83xx_iospace_config,
1969 };
1970
1971 static inline void
1972 qla2x00_set_isp_flags(struct qla_hw_data *ha)
1973 {
1974         ha->device_type = DT_EXTENDED_IDS;
1975         switch (ha->pdev->device) {
1976         case PCI_DEVICE_ID_QLOGIC_ISP2100:
1977                 ha->device_type |= DT_ISP2100;
1978                 ha->device_type &= ~DT_EXTENDED_IDS;
1979                 ha->fw_srisc_address = RISC_START_ADDRESS_2100;
1980                 break;
1981         case PCI_DEVICE_ID_QLOGIC_ISP2200:
1982                 ha->device_type |= DT_ISP2200;
1983                 ha->device_type &= ~DT_EXTENDED_IDS;
1984                 ha->fw_srisc_address = RISC_START_ADDRESS_2100;
1985                 break;
1986         case PCI_DEVICE_ID_QLOGIC_ISP2300:
1987                 ha->device_type |= DT_ISP2300;
1988                 ha->device_type |= DT_ZIO_SUPPORTED;
1989                 ha->fw_srisc_address = RISC_START_ADDRESS_2300;
1990                 break;
1991         case PCI_DEVICE_ID_QLOGIC_ISP2312:
1992                 ha->device_type |= DT_ISP2312;
1993                 ha->device_type |= DT_ZIO_SUPPORTED;
1994                 ha->fw_srisc_address = RISC_START_ADDRESS_2300;
1995                 break;
1996         case PCI_DEVICE_ID_QLOGIC_ISP2322:
1997                 ha->device_type |= DT_ISP2322;
1998                 ha->device_type |= DT_ZIO_SUPPORTED;
1999                 if (ha->pdev->subsystem_vendor == 0x1028 &&
2000                     ha->pdev->subsystem_device == 0x0170)
2001                         ha->device_type |= DT_OEM_001;
2002                 ha->fw_srisc_address = RISC_START_ADDRESS_2300;
2003                 break;
2004         case PCI_DEVICE_ID_QLOGIC_ISP6312:
2005                 ha->device_type |= DT_ISP6312;
2006                 ha->fw_srisc_address = RISC_START_ADDRESS_2300;
2007                 break;
2008         case PCI_DEVICE_ID_QLOGIC_ISP6322:
2009                 ha->device_type |= DT_ISP6322;
2010                 ha->fw_srisc_address = RISC_START_ADDRESS_2300;
2011                 break;
2012         case PCI_DEVICE_ID_QLOGIC_ISP2422:
2013                 ha->device_type |= DT_ISP2422;
2014                 ha->device_type |= DT_ZIO_SUPPORTED;
2015                 ha->device_type |= DT_FWI2;
2016                 ha->device_type |= DT_IIDMA;
2017                 ha->fw_srisc_address = RISC_START_ADDRESS_2400;
2018                 break;
2019         case PCI_DEVICE_ID_QLOGIC_ISP2432:
2020                 ha->device_type |= DT_ISP2432;
2021                 ha->device_type |= DT_ZIO_SUPPORTED;
2022                 ha->device_type |= DT_FWI2;
2023                 ha->device_type |= DT_IIDMA;
2024                 ha->fw_srisc_address = RISC_START_ADDRESS_2400;
2025                 break;
2026         case PCI_DEVICE_ID_QLOGIC_ISP8432:
2027                 ha->device_type |= DT_ISP8432;
2028                 ha->device_type |= DT_ZIO_SUPPORTED;
2029                 ha->device_type |= DT_FWI2;
2030                 ha->device_type |= DT_IIDMA;
2031                 ha->fw_srisc_address = RISC_START_ADDRESS_2400;
2032                 break;
2033         case PCI_DEVICE_ID_QLOGIC_ISP5422:
2034                 ha->device_type |= DT_ISP5422;
2035                 ha->device_type |= DT_FWI2;
2036                 ha->fw_srisc_address = RISC_START_ADDRESS_2400;
2037                 break;
2038         case PCI_DEVICE_ID_QLOGIC_ISP5432:
2039                 ha->device_type |= DT_ISP5432;
2040                 ha->device_type |= DT_FWI2;
2041                 ha->fw_srisc_address = RISC_START_ADDRESS_2400;
2042                 break;
2043         case PCI_DEVICE_ID_QLOGIC_ISP2532:
2044                 ha->device_type |= DT_ISP2532;
2045                 ha->device_type |= DT_ZIO_SUPPORTED;
2046                 ha->device_type |= DT_FWI2;
2047                 ha->device_type |= DT_IIDMA;
2048                 ha->fw_srisc_address = RISC_START_ADDRESS_2400;
2049                 break;
2050         case PCI_DEVICE_ID_QLOGIC_ISP8001:
2051                 ha->device_type |= DT_ISP8001;
2052                 ha->device_type |= DT_ZIO_SUPPORTED;
2053                 ha->device_type |= DT_FWI2;
2054                 ha->device_type |= DT_IIDMA;
2055                 ha->fw_srisc_address = RISC_START_ADDRESS_2400;
2056                 break;
2057         case PCI_DEVICE_ID_QLOGIC_ISP8021:
2058                 ha->device_type |= DT_ISP8021;
2059                 ha->device_type |= DT_ZIO_SUPPORTED;
2060                 ha->device_type |= DT_FWI2;
2061                 ha->fw_srisc_address = RISC_START_ADDRESS_2400;
2062                 /* Initialize 82XX ISP flags */
2063                 qla82xx_init_flags(ha);
2064                 break;
2065         case PCI_DEVICE_ID_QLOGIC_ISP2031:
2066                 ha->device_type |= DT_ISP2031;
2067                 ha->device_type |= DT_ZIO_SUPPORTED;
2068                 ha->device_type |= DT_FWI2;
2069                 ha->device_type |= DT_IIDMA;
2070                 ha->device_type |= DT_T10_PI;
2071                 ha->fw_srisc_address = RISC_START_ADDRESS_2400;
2072                 break;
2073         case PCI_DEVICE_ID_QLOGIC_ISP8031:
2074                 ha->device_type |= DT_ISP8031;
2075                 ha->device_type |= DT_ZIO_SUPPORTED;
2076                 ha->device_type |= DT_FWI2;
2077                 ha->device_type |= DT_IIDMA;
2078                 ha->device_type |= DT_T10_PI;
2079                 ha->fw_srisc_address = RISC_START_ADDRESS_2400;
2080                 break;
2081         }
2082
2083         if (IS_QLA82XX(ha))
2084                 ha->port_no = !(ha->portnum & 1);
2085         else
2086                 /* Get adapter physical port no from interrupt pin register. */
2087                 pci_read_config_byte(ha->pdev, PCI_INTERRUPT_PIN, &ha->port_no);
2088
2089         if (ha->port_no & 1)
2090                 ha->flags.port0 = 1;
2091         else
2092                 ha->flags.port0 = 0;
2093         ql_dbg_pci(ql_dbg_init, ha->pdev, 0x000b,
2094             "device_type=0x%x port=%d fw_srisc_address=0x%x.\n",
2095             ha->device_type, ha->flags.port0, ha->fw_srisc_address);
2096 }
2097
2098 static void
2099 qla2xxx_scan_start(struct Scsi_Host *shost)
2100 {
2101         scsi_qla_host_t *vha = shost_priv(shost);
2102
2103         if (vha->hw->flags.running_gold_fw)
2104                 return;
2105
2106         set_bit(LOOP_RESYNC_NEEDED, &vha->dpc_flags);
2107         set_bit(LOCAL_LOOP_UPDATE, &vha->dpc_flags);
2108         set_bit(RSCN_UPDATE, &vha->dpc_flags);
2109         set_bit(NPIV_CONFIG_NEEDED, &vha->dpc_flags);
2110 }
2111
2112 static int
2113 qla2xxx_scan_finished(struct Scsi_Host *shost, unsigned long time)
2114 {
2115         scsi_qla_host_t *vha = shost_priv(shost);
2116
2117         if (!vha->host)
2118                 return 1;
2119         if (time > vha->hw->loop_reset_delay * HZ)
2120                 return 1;
2121
2122         return atomic_read(&vha->loop_state) == LOOP_READY;
2123 }
2124
2125 /*
2126  * PCI driver interface
2127  */
2128 static int __devinit
2129 qla2x00_probe_one(struct pci_dev *pdev, const struct pci_device_id *id)
2130 {
2131         int     ret = -ENODEV;
2132         struct Scsi_Host *host;
2133         scsi_qla_host_t *base_vha = NULL;
2134         struct qla_hw_data *ha;
2135         char pci_info[30];
2136         char fw_str[30];
2137         struct scsi_host_template *sht;
2138         int bars, mem_only = 0;
2139         uint16_t req_length = 0, rsp_length = 0;
2140         struct req_que *req = NULL;
2141         struct rsp_que *rsp = NULL;
2142
2143         bars = pci_select_bars(pdev, IORESOURCE_MEM | IORESOURCE_IO);
2144         sht = &qla2xxx_driver_template;
2145         if (pdev->device == PCI_DEVICE_ID_QLOGIC_ISP2422 ||
2146             pdev->device == PCI_DEVICE_ID_QLOGIC_ISP2432 ||
2147             pdev->device == PCI_DEVICE_ID_QLOGIC_ISP8432 ||
2148             pdev->device == PCI_DEVICE_ID_QLOGIC_ISP5422 ||
2149             pdev->device == PCI_DEVICE_ID_QLOGIC_ISP5432 ||
2150             pdev->device == PCI_DEVICE_ID_QLOGIC_ISP2532 ||
2151             pdev->device == PCI_DEVICE_ID_QLOGIC_ISP8001 ||
2152             pdev->device == PCI_DEVICE_ID_QLOGIC_ISP8021 ||
2153             pdev->device == PCI_DEVICE_ID_QLOGIC_ISP2031 ||
2154             pdev->device == PCI_DEVICE_ID_QLOGIC_ISP8031) {
2155                 bars = pci_select_bars(pdev, IORESOURCE_MEM);
2156                 mem_only = 1;
2157                 ql_dbg_pci(ql_dbg_init, pdev, 0x0007,
2158                     "Mem only adapter.\n");
2159         }
2160         ql_dbg_pci(ql_dbg_init, pdev, 0x0008,
2161             "Bars=%d.\n", bars);
2162
2163         if (mem_only) {
2164                 if (pci_enable_device_mem(pdev))
2165                         goto probe_out;
2166         } else {
2167                 if (pci_enable_device(pdev))
2168                         goto probe_out;
2169         }
2170
2171         /* This may fail but that's ok */
2172         pci_enable_pcie_error_reporting(pdev);
2173
2174         ha = kzalloc(sizeof(struct qla_hw_data), GFP_KERNEL);
2175         if (!ha) {
2176                 ql_log_pci(ql_log_fatal, pdev, 0x0009,
2177                     "Unable to allocate memory for ha.\n");
2178                 goto probe_out;
2179         }
2180         ql_dbg_pci(ql_dbg_init, pdev, 0x000a,
2181             "Memory allocated for ha=%p.\n", ha);
2182         ha->pdev = pdev;
2183
2184         /* Clear our data area */
2185         ha->bars = bars;
2186         ha->mem_only = mem_only;
2187         spin_lock_init(&ha->hardware_lock);
2188         spin_lock_init(&ha->vport_slock);
2189
2190         /* Set ISP-type information. */
2191         qla2x00_set_isp_flags(ha);
2192
2193         /* Set EEH reset type to fundamental if required by hba */
2194         if (IS_QLA24XX(ha) || IS_QLA25XX(ha) || IS_QLA81XX(ha))
2195                 pdev->needs_freset = 1;
2196
2197         ha->prev_topology = 0;
2198         ha->init_cb_size = sizeof(init_cb_t);
2199         ha->link_data_rate = PORT_SPEED_UNKNOWN;
2200         ha->optrom_size = OPTROM_SIZE_2300;
2201
2202         /* Assign ISP specific operations. */
2203         if (IS_QLA2100(ha)) {
2204                 ha->max_fibre_devices = MAX_FIBRE_DEVICES_2100;
2205                 ha->mbx_count = MAILBOX_REGISTER_COUNT_2100;
2206                 req_length = REQUEST_ENTRY_CNT_2100;
2207                 rsp_length = RESPONSE_ENTRY_CNT_2100;
2208                 ha->max_loop_id = SNS_LAST_LOOP_ID_2100;
2209                 ha->gid_list_info_size = 4;
2210                 ha->flash_conf_off = ~0;
2211                 ha->flash_data_off = ~0;
2212                 ha->nvram_conf_off = ~0;
2213                 ha->nvram_data_off = ~0;
2214                 ha->isp_ops = &qla2100_isp_ops;
2215         } else if (IS_QLA2200(ha)) {
2216                 ha->max_fibre_devices = MAX_FIBRE_DEVICES_2100;
2217                 ha->mbx_count = MAILBOX_REGISTER_COUNT_2200;
2218                 req_length = REQUEST_ENTRY_CNT_2200;
2219                 rsp_length = RESPONSE_ENTRY_CNT_2100;
2220                 ha->max_loop_id = SNS_LAST_LOOP_ID_2100;
2221                 ha->gid_list_info_size = 4;
2222                 ha->flash_conf_off = ~0;
2223                 ha->flash_data_off = ~0;
2224                 ha->nvram_conf_off = ~0;
2225                 ha->nvram_data_off = ~0;
2226                 ha->isp_ops = &qla2100_isp_ops;
2227         } else if (IS_QLA23XX(ha)) {
2228                 ha->max_fibre_devices = MAX_FIBRE_DEVICES_2100;
2229                 ha->mbx_count = MAILBOX_REGISTER_COUNT;
2230                 req_length = REQUEST_ENTRY_CNT_2200;
2231                 rsp_length = RESPONSE_ENTRY_CNT_2300;
2232                 ha->max_loop_id = SNS_LAST_LOOP_ID_2300;
2233                 ha->gid_list_info_size = 6;
2234                 if (IS_QLA2322(ha) || IS_QLA6322(ha))
2235                         ha->optrom_size = OPTROM_SIZE_2322;
2236                 ha->flash_conf_off = ~0;
2237                 ha->flash_data_off = ~0;
2238                 ha->nvram_conf_off = ~0;
2239                 ha->nvram_data_off = ~0;
2240                 ha->isp_ops = &qla2300_isp_ops;
2241         } else if (IS_QLA24XX_TYPE(ha)) {
2242                 ha->max_fibre_devices = MAX_FIBRE_DEVICES_2400;
2243                 ha->mbx_count = MAILBOX_REGISTER_COUNT;
2244                 req_length = REQUEST_ENTRY_CNT_24XX;
2245                 rsp_length = RESPONSE_ENTRY_CNT_2300;
2246                 ha->max_loop_id = SNS_LAST_LOOP_ID_2300;
2247                 ha->init_cb_size = sizeof(struct mid_init_cb_24xx);
2248                 ha->gid_list_info_size = 8;
2249                 ha->optrom_size = OPTROM_SIZE_24XX;
2250                 ha->nvram_npiv_size = QLA_MAX_VPORTS_QLA24XX;
2251                 ha->isp_ops = &qla24xx_isp_ops;
2252                 ha->flash_conf_off = FARX_ACCESS_FLASH_CONF;
2253                 ha->flash_data_off = FARX_ACCESS_FLASH_DATA;
2254                 ha->nvram_conf_off = FARX_ACCESS_NVRAM_CONF;
2255                 ha->nvram_data_off = FARX_ACCESS_NVRAM_DATA;
2256         } else if (IS_QLA25XX(ha)) {
2257                 ha->max_fibre_devices = MAX_FIBRE_DEVICES_2400;
2258                 ha->mbx_count = MAILBOX_REGISTER_COUNT;
2259                 req_length = REQUEST_ENTRY_CNT_24XX;
2260                 rsp_length = RESPONSE_ENTRY_CNT_2300;
2261                 ha->max_loop_id = SNS_LAST_LOOP_ID_2300;
2262                 ha->init_cb_size = sizeof(struct mid_init_cb_24xx);
2263                 ha->gid_list_info_size = 8;
2264                 ha->optrom_size = OPTROM_SIZE_25XX;
2265                 ha->nvram_npiv_size = QLA_MAX_VPORTS_QLA25XX;
2266                 ha->isp_ops = &qla25xx_isp_ops;
2267                 ha->flash_conf_off = FARX_ACCESS_FLASH_CONF;
2268                 ha->flash_data_off = FARX_ACCESS_FLASH_DATA;
2269                 ha->nvram_conf_off = FARX_ACCESS_NVRAM_CONF;
2270                 ha->nvram_data_off = FARX_ACCESS_NVRAM_DATA;
2271         } else if (IS_QLA81XX(ha)) {
2272                 ha->max_fibre_devices = MAX_FIBRE_DEVICES_2400;
2273                 ha->mbx_count = MAILBOX_REGISTER_COUNT;
2274                 req_length = REQUEST_ENTRY_CNT_24XX;
2275                 rsp_length = RESPONSE_ENTRY_CNT_2300;
2276                 ha->max_loop_id = SNS_LAST_LOOP_ID_2300;
2277                 ha->init_cb_size = sizeof(struct mid_init_cb_81xx);
2278                 ha->gid_list_info_size = 8;
2279                 ha->optrom_size = OPTROM_SIZE_81XX;
2280                 ha->nvram_npiv_size = QLA_MAX_VPORTS_QLA25XX;
2281                 ha->isp_ops = &qla81xx_isp_ops;
2282                 ha->flash_conf_off = FARX_ACCESS_FLASH_CONF_81XX;
2283                 ha->flash_data_off = FARX_ACCESS_FLASH_DATA_81XX;
2284                 ha->nvram_conf_off = ~0;
2285                 ha->nvram_data_off = ~0;
2286         } else if (IS_QLA82XX(ha)) {
2287                 ha->max_fibre_devices = MAX_FIBRE_DEVICES_2400;
2288                 ha->mbx_count = MAILBOX_REGISTER_COUNT;
2289                 req_length = REQUEST_ENTRY_CNT_82XX;
2290                 rsp_length = RESPONSE_ENTRY_CNT_82XX;
2291                 ha->max_loop_id = SNS_LAST_LOOP_ID_2300;
2292                 ha->init_cb_size = sizeof(struct mid_init_cb_81xx);
2293                 ha->gid_list_info_size = 8;
2294                 ha->optrom_size = OPTROM_SIZE_82XX;
2295                 ha->nvram_npiv_size = QLA_MAX_VPORTS_QLA25XX;
2296                 ha->isp_ops = &qla82xx_isp_ops;
2297                 ha->flash_conf_off = FARX_ACCESS_FLASH_CONF;
2298                 ha->flash_data_off = FARX_ACCESS_FLASH_DATA;
2299                 ha->nvram_conf_off = FARX_ACCESS_NVRAM_CONF;
2300                 ha->nvram_data_off = FARX_ACCESS_NVRAM_DATA;
2301         } else if (IS_QLA83XX(ha)) {
2302                 ha->max_fibre_devices = MAX_FIBRE_DEVICES_2400;
2303                 ha->mbx_count = MAILBOX_REGISTER_COUNT;
2304                 req_length = REQUEST_ENTRY_CNT_24XX;
2305                 rsp_length = RESPONSE_ENTRY_CNT_2300;
2306                 ha->max_loop_id = SNS_LAST_LOOP_ID_2300;
2307                 ha->init_cb_size = sizeof(struct mid_init_cb_81xx);
2308                 ha->gid_list_info_size = 8;
2309                 ha->optrom_size = OPTROM_SIZE_83XX;
2310                 ha->nvram_npiv_size = QLA_MAX_VPORTS_QLA25XX;
2311                 ha->isp_ops = &qla83xx_isp_ops;
2312                 ha->flash_conf_off = FARX_ACCESS_FLASH_CONF_81XX;
2313                 ha->flash_data_off = FARX_ACCESS_FLASH_DATA_81XX;
2314                 ha->nvram_conf_off = ~0;
2315                 ha->nvram_data_off = ~0;
2316         }
2317
2318         ql_dbg_pci(ql_dbg_init, pdev, 0x001e,
2319             "mbx_count=%d, req_length=%d, "
2320             "rsp_length=%d, max_loop_id=%d, init_cb_size=%d, "
2321             "gid_list_info_size=%d, optrom_size=%d, nvram_npiv_size=%d, "
2322             "max_fibre_devices=%d.\n",
2323             ha->mbx_count, req_length, rsp_length, ha->max_loop_id,
2324             ha->init_cb_size, ha->gid_list_info_size, ha->optrom_size,
2325             ha->nvram_npiv_size, ha->max_fibre_devices);
2326         ql_dbg_pci(ql_dbg_init, pdev, 0x001f,
2327             "isp_ops=%p, flash_conf_off=%d, "
2328             "flash_data_off=%d, nvram_conf_off=%d, nvram_data_off=%d.\n",
2329             ha->isp_ops, ha->flash_conf_off, ha->flash_data_off,
2330             ha->nvram_conf_off, ha->nvram_data_off);
2331
2332         /* Configure PCI I/O space */
2333         ret = ha->isp_ops->iospace_config(ha);
2334         if (ret)
2335                 goto probe_hw_failed;
2336
2337         ql_log_pci(ql_log_info, pdev, 0x001d,
2338             "Found an ISP%04X irq %d iobase 0x%p.\n",
2339             pdev->device, pdev->irq, ha->iobase);
2340         mutex_init(&ha->vport_lock);
2341         init_completion(&ha->mbx_cmd_comp);
2342         complete(&ha->mbx_cmd_comp);
2343         init_completion(&ha->mbx_intr_comp);
2344         init_completion(&ha->dcbx_comp);
2345
2346         set_bit(0, (unsigned long *) ha->vp_idx_map);
2347
2348         qla2x00_config_dma_addressing(ha);
2349         ql_dbg_pci(ql_dbg_init, pdev, 0x0020,
2350             "64 Bit addressing is %s.\n",
2351             ha->flags.enable_64bit_addressing ? "enable" :
2352             "disable");
2353         ret = qla2x00_mem_alloc(ha, req_length, rsp_length, &req, &rsp);
2354         if (!ret) {
2355                 ql_log_pci(ql_log_fatal, pdev, 0x0031,
2356                     "Failed to allocate memory for adapter, aborting.\n");
2357
2358                 goto probe_hw_failed;
2359         }
2360
2361         req->max_q_depth = MAX_Q_DEPTH;
2362         if (ql2xmaxqdepth != 0 && ql2xmaxqdepth <= 0xffffU)
2363                 req->max_q_depth = ql2xmaxqdepth;
2364
2365
2366         base_vha = qla2x00_create_host(sht, ha);
2367         if (!base_vha) {
2368                 ret = -ENOMEM;
2369                 qla2x00_mem_free(ha);
2370                 qla2x00_free_req_que(ha, req);
2371                 qla2x00_free_rsp_que(ha, rsp);
2372                 goto probe_hw_failed;
2373         }
2374
2375         pci_set_drvdata(pdev, base_vha);
2376
2377         host = base_vha->host;
2378         base_vha->req = req;
2379         host->can_queue = req->length + 128;
2380         if (IS_QLA2XXX_MIDTYPE(ha))
2381                 base_vha->mgmt_svr_loop_id = 10 + base_vha->vp_idx;
2382         else
2383                 base_vha->mgmt_svr_loop_id = MANAGEMENT_SERVER +
2384                                                 base_vha->vp_idx;
2385
2386         /* Set the SG table size based on ISP type */
2387         if (!IS_FWI2_CAPABLE(ha)) {
2388                 if (IS_QLA2100(ha))
2389                         host->sg_tablesize = 32;
2390         } else {
2391                 if (!IS_QLA82XX(ha))
2392                         host->sg_tablesize = QLA_SG_ALL;
2393         }
2394         ql_dbg(ql_dbg_init, base_vha, 0x0032,
2395             "can_queue=%d, req=%p, "
2396             "mgmt_svr_loop_id=%d, sg_tablesize=%d.\n",
2397             host->can_queue, base_vha->req,
2398             base_vha->mgmt_svr_loop_id, host->sg_tablesize);
2399         host->max_id = ha->max_fibre_devices;
2400         host->this_id = 255;
2401         host->cmd_per_lun = 3;
2402         host->unique_id = host->host_no;
2403         if (IS_T10_PI_CAPABLE(ha) && ql2xenabledif)
2404                 host->max_cmd_len = 32;
2405         else
2406                 host->max_cmd_len = MAX_CMDSZ;
2407         host->max_channel = MAX_BUSES - 1;
2408         host->max_lun = ql2xmaxlun;
2409         host->transportt = qla2xxx_transport_template;
2410         sht->vendor_id = (SCSI_NL_VID_TYPE_PCI | PCI_VENDOR_ID_QLOGIC);
2411
2412         ql_dbg(ql_dbg_init, base_vha, 0x0033,
2413             "max_id=%d this_id=%d "
2414             "cmd_per_len=%d unique_id=%d max_cmd_len=%d max_channel=%d "
2415             "max_lun=%d transportt=%p, vendor_id=%llu.\n", host->max_id,
2416             host->this_id, host->cmd_per_lun, host->unique_id,
2417             host->max_cmd_len, host->max_channel, host->max_lun,
2418             host->transportt, sht->vendor_id);
2419
2420         /* Set up the irqs */
2421         ret = qla2x00_request_irqs(ha, rsp);
2422         if (ret)
2423                 goto probe_init_failed;
2424
2425         pci_save_state(pdev);
2426
2427         /* Alloc arrays of request and response ring ptrs */
2428 que_init:
2429         if (!qla2x00_alloc_queues(ha)) {
2430                 ql_log(ql_log_fatal, base_vha, 0x003d,
2431                     "Failed to allocate memory for queue pointers.. aborting.\n");
2432                 goto probe_init_failed;
2433         }
2434
2435         ha->rsp_q_map[0] = rsp;
2436         ha->req_q_map[0] = req;
2437         rsp->req = req;
2438         req->rsp = rsp;
2439         set_bit(0, ha->req_qid_map);
2440         set_bit(0, ha->rsp_qid_map);
2441         /* FWI2-capable only. */
2442         req->req_q_in = &ha->iobase->isp24.req_q_in;
2443         req->req_q_out = &ha->iobase->isp24.req_q_out;
2444         rsp->rsp_q_in = &ha->iobase->isp24.rsp_q_in;
2445         rsp->rsp_q_out = &ha->iobase->isp24.rsp_q_out;
2446         if (ha->mqenable || IS_QLA83XX(ha)) {
2447                 req->req_q_in = &ha->mqiobase->isp25mq.req_q_in;
2448                 req->req_q_out = &ha->mqiobase->isp25mq.req_q_out;
2449                 rsp->rsp_q_in = &ha->mqiobase->isp25mq.rsp_q_in;
2450                 rsp->rsp_q_out =  &ha->mqiobase->isp25mq.rsp_q_out;
2451         }
2452
2453         if (IS_QLA82XX(ha)) {
2454                 req->req_q_out = &ha->iobase->isp82.req_q_out[0];
2455                 rsp->rsp_q_in = &ha->iobase->isp82.rsp_q_in[0];
2456                 rsp->rsp_q_out = &ha->iobase->isp82.rsp_q_out[0];
2457         }
2458
2459         ql_dbg(ql_dbg_multiq, base_vha, 0xc009,
2460             "rsp_q_map=%p req_q_map=%p rsp->req=%p req->rsp=%p.\n",
2461             ha->rsp_q_map, ha->req_q_map, rsp->req, req->rsp);
2462         ql_dbg(ql_dbg_multiq, base_vha, 0xc00a,
2463             "req->req_q_in=%p req->req_q_out=%p "
2464             "rsp->rsp_q_in=%p rsp->rsp_q_out=%p.\n",
2465             req->req_q_in, req->req_q_out,
2466             rsp->rsp_q_in, rsp->rsp_q_out);
2467         ql_dbg(ql_dbg_init, base_vha, 0x003e,
2468             "rsp_q_map=%p req_q_map=%p rsp->req=%p req->rsp=%p.\n",
2469             ha->rsp_q_map, ha->req_q_map, rsp->req, req->rsp);
2470         ql_dbg(ql_dbg_init, base_vha, 0x003f,
2471             "req->req_q_in=%p req->req_q_out=%p rsp->rsp_q_in=%p rsp->rsp_q_out=%p.\n",
2472             req->req_q_in, req->req_q_out, rsp->rsp_q_in, rsp->rsp_q_out);
2473
2474         if (qla2x00_initialize_adapter(base_vha)) {
2475                 ql_log(ql_log_fatal, base_vha, 0x00d6,
2476                     "Failed to initialize adapter - Adapter flags %x.\n",
2477                     base_vha->device_flags);
2478
2479                 if (IS_QLA82XX(ha)) {
2480                         qla82xx_idc_lock(ha);
2481                         qla82xx_wr_32(ha, QLA82XX_CRB_DEV_STATE,
2482                                 QLA82XX_DEV_FAILED);
2483                         qla82xx_idc_unlock(ha);
2484                         ql_log(ql_log_fatal, base_vha, 0x00d7,
2485                             "HW State: FAILED.\n");
2486                 }
2487
2488                 ret = -ENODEV;
2489                 goto probe_failed;
2490         }
2491
2492         if (ha->mqenable) {
2493                 if (qla25xx_setup_mode(base_vha)) {
2494                         ql_log(ql_log_warn, base_vha, 0x00ec,
2495                             "Failed to create queues, falling back to single queue mode.\n");
2496                         goto que_init;
2497                 }
2498         }
2499
2500         if (ha->flags.running_gold_fw)
2501                 goto skip_dpc;
2502
2503         /*
2504          * Startup the kernel thread for this host adapter
2505          */
2506         ha->dpc_thread = kthread_create(qla2x00_do_dpc, ha,
2507             "%s_dpc", base_vha->host_str);
2508         if (IS_ERR(ha->dpc_thread)) {
2509                 ql_log(ql_log_fatal, base_vha, 0x00ed,
2510                     "Failed to start DPC thread.\n");
2511                 ret = PTR_ERR(ha->dpc_thread);
2512                 goto probe_failed;
2513         }
2514         ql_dbg(ql_dbg_init, base_vha, 0x00ee,
2515             "DPC thread started successfully.\n");
2516
2517 skip_dpc:
2518         list_add_tail(&base_vha->list, &ha->vp_list);
2519         base_vha->host->irq = ha->pdev->irq;
2520
2521         /* Initialized the timer */
2522         qla2x00_start_timer(base_vha, qla2x00_timer, WATCH_INTERVAL);
2523         ql_dbg(ql_dbg_init, base_vha, 0x00ef,
2524             "Started qla2x00_timer with "
2525             "interval=%d.\n", WATCH_INTERVAL);
2526         ql_dbg(ql_dbg_init, base_vha, 0x00f0,
2527             "Detected hba at address=%p.\n",
2528             ha);
2529
2530         if (IS_T10_PI_CAPABLE(ha) && ql2xenabledif) {
2531                 if (ha->fw_attributes & BIT_4) {
2532                         int prot = 0;
2533                         base_vha->flags.difdix_supported = 1;
2534                         ql_dbg(ql_dbg_init, base_vha, 0x00f1,
2535                             "Registering for DIF/DIX type 1 and 3 protection.\n");
2536                         if (ql2xenabledif == 1)
2537                                 prot = SHOST_DIX_TYPE0_PROTECTION;
2538                         scsi_host_set_prot(host,
2539                             prot | SHOST_DIF_TYPE1_PROTECTION
2540                             | SHOST_DIF_TYPE2_PROTECTION
2541                             | SHOST_DIF_TYPE3_PROTECTION
2542                             | SHOST_DIX_TYPE1_PROTECTION
2543                             | SHOST_DIX_TYPE2_PROTECTION
2544                             | SHOST_DIX_TYPE3_PROTECTION);
2545                         scsi_host_set_guard(host, SHOST_DIX_GUARD_CRC);
2546                 } else
2547                         base_vha->flags.difdix_supported = 0;
2548         }
2549
2550         ha->isp_ops->enable_intrs(ha);
2551
2552         ret = scsi_add_host(host, &pdev->dev);
2553         if (ret)
2554                 goto probe_failed;
2555
2556         base_vha->flags.init_done = 1;
2557         base_vha->flags.online = 1;
2558
2559         ql_dbg(ql_dbg_init, base_vha, 0x00f2,
2560             "Init done and hba is online.\n");
2561
2562         scsi_scan_host(host);
2563
2564         qla2x00_alloc_sysfs_attr(base_vha);
2565
2566         qla2x00_init_host_attr(base_vha);
2567
2568         qla2x00_dfs_setup(base_vha);
2569
2570         ql_log(ql_log_info, base_vha, 0x00fb,
2571             "QLogic %s - %s.\n",
2572             ha->model_number, ha->model_desc ? ha->model_desc : "");
2573         ql_log(ql_log_info, base_vha, 0x00fc,
2574             "ISP%04X: %s @ %s hdma%c host#=%ld fw=%s.\n",
2575             pdev->device, ha->isp_ops->pci_info_str(base_vha, pci_info),
2576             pci_name(pdev), ha->flags.enable_64bit_addressing ? '+' : '-',
2577             base_vha->host_no,
2578             ha->isp_ops->fw_version_str(base_vha, fw_str));
2579
2580         return 0;
2581
2582 probe_init_failed:
2583         qla2x00_free_req_que(ha, req);
2584         qla2x00_free_rsp_que(ha, rsp);
2585         ha->max_req_queues = ha->max_rsp_queues = 0;
2586
2587 probe_failed:
2588         if (base_vha->timer_active)
2589                 qla2x00_stop_timer(base_vha);
2590         base_vha->flags.online = 0;
2591         if (ha->dpc_thread) {
2592                 struct task_struct *t = ha->dpc_thread;
2593
2594                 ha->dpc_thread = NULL;
2595                 kthread_stop(t);
2596         }
2597
2598         qla2x00_free_device(base_vha);
2599
2600         scsi_host_put(base_vha->host);
2601
2602 probe_hw_failed:
2603         if (IS_QLA82XX(ha)) {
2604                 qla82xx_idc_lock(ha);
2605                 qla82xx_clear_drv_active(ha);
2606                 qla82xx_idc_unlock(ha);
2607                 iounmap((device_reg_t __iomem *)ha->nx_pcibase);
2608                 if (!ql2xdbwr)
2609                         iounmap((device_reg_t __iomem *)ha->nxdb_wr_ptr);
2610         } else {
2611                 if (ha->iobase)
2612                         iounmap(ha->iobase);
2613         }
2614         pci_release_selected_regions(ha->pdev, ha->bars);
2615         kfree(ha);
2616         ha = NULL;
2617
2618 probe_out:
2619         pci_disable_device(pdev);
2620         return ret;
2621 }
2622
2623 static void
2624 qla2x00_shutdown(struct pci_dev *pdev)
2625 {
2626         scsi_qla_host_t *vha;
2627         struct qla_hw_data  *ha;
2628
2629         vha = pci_get_drvdata(pdev);
2630         ha = vha->hw;
2631
2632         /* Turn-off FCE trace */
2633         if (ha->flags.fce_enabled) {
2634                 qla2x00_disable_fce_trace(vha, NULL, NULL);
2635                 ha->flags.fce_enabled = 0;
2636         }
2637
2638         /* Turn-off EFT trace */
2639         if (ha->eft)
2640                 qla2x00_disable_eft_trace(vha);
2641
2642         /* Stop currently executing firmware. */
2643         qla2x00_try_to_stop_firmware(vha);
2644
2645         /* Turn adapter off line */
2646         vha->flags.online = 0;
2647
2648         /* turn-off interrupts on the card */
2649         if (ha->interrupts_on) {
2650                 vha->flags.init_done = 0;
2651                 ha->isp_ops->disable_intrs(ha);
2652         }
2653
2654         qla2x00_free_irqs(vha);
2655
2656         qla2x00_free_fw_dump(ha);
2657 }
2658
2659 static void
2660 qla2x00_remove_one(struct pci_dev *pdev)
2661 {
2662         scsi_qla_host_t *base_vha, *vha;
2663         struct qla_hw_data  *ha;
2664         unsigned long flags;
2665
2666         base_vha = pci_get_drvdata(pdev);
2667         ha = base_vha->hw;
2668
2669         mutex_lock(&ha->vport_lock);
2670         while (ha->cur_vport_count) {
2671                 struct Scsi_Host *scsi_host;
2672
2673                 spin_lock_irqsave(&ha->vport_slock, flags);
2674
2675                 BUG_ON(base_vha->list.next == &ha->vp_list);
2676                 /* This assumes first entry in ha->vp_list is always base vha */
2677                 vha = list_first_entry(&base_vha->list, scsi_qla_host_t, list);
2678                 scsi_host = scsi_host_get(vha->host);
2679
2680                 spin_unlock_irqrestore(&ha->vport_slock, flags);
2681                 mutex_unlock(&ha->vport_lock);
2682
2683                 fc_vport_terminate(vha->fc_vport);
2684                 scsi_host_put(vha->host);
2685
2686                 mutex_lock(&ha->vport_lock);
2687         }
2688         mutex_unlock(&ha->vport_lock);
2689
2690         set_bit(UNLOADING, &base_vha->dpc_flags);
2691
2692         qla2x00_abort_all_cmds(base_vha, DID_NO_CONNECT << 16);
2693
2694         qla2x00_dfs_remove(base_vha);
2695
2696         qla84xx_put_chip(base_vha);
2697
2698         /* Disable timer */
2699         if (base_vha->timer_active)
2700                 qla2x00_stop_timer(base_vha);
2701
2702         base_vha->flags.online = 0;
2703
2704         /* Flush the work queue and remove it */
2705         if (ha->wq) {
2706                 flush_workqueue(ha->wq);
2707                 destroy_workqueue(ha->wq);
2708                 ha->wq = NULL;
2709         }
2710
2711         /* Kill the kernel thread for this host */
2712         if (ha->dpc_thread) {
2713                 struct task_struct *t = ha->dpc_thread;
2714
2715                 /*
2716                  * qla2xxx_wake_dpc checks for ->dpc_thread
2717                  * so we need to zero it out.
2718                  */
2719                 ha->dpc_thread = NULL;
2720                 kthread_stop(t);
2721         }
2722
2723         qla2x00_free_sysfs_attr(base_vha);
2724
2725         fc_remove_host(base_vha->host);
2726
2727         scsi_remove_host(base_vha->host);
2728
2729         qla2x00_free_device(base_vha);
2730
2731         scsi_host_put(base_vha->host);
2732
2733         if (IS_QLA82XX(ha)) {
2734                 qla82xx_idc_lock(ha);
2735                 qla82xx_clear_drv_active(ha);
2736                 qla82xx_idc_unlock(ha);
2737
2738                 iounmap((device_reg_t __iomem *)ha->nx_pcibase);
2739                 if (!ql2xdbwr)
2740                         iounmap((device_reg_t __iomem *)ha->nxdb_wr_ptr);
2741         } else {
2742                 if (ha->iobase)
2743                         iounmap(ha->iobase);
2744
2745                 if (ha->mqiobase)
2746                         iounmap(ha->mqiobase);
2747
2748                 if (IS_QLA83XX(ha) && ha->msixbase)
2749                         iounmap(ha->msixbase);
2750         }
2751
2752         pci_release_selected_regions(ha->pdev, ha->bars);
2753         kfree(ha);
2754         ha = NULL;
2755
2756         pci_disable_pcie_error_reporting(pdev);
2757
2758         pci_disable_device(pdev);
2759         pci_set_drvdata(pdev, NULL);
2760 }
2761
2762 static void
2763 qla2x00_free_device(scsi_qla_host_t *vha)
2764 {
2765         struct qla_hw_data *ha = vha->hw;
2766
2767         qla2x00_abort_all_cmds(vha, DID_NO_CONNECT << 16);
2768
2769         /* Disable timer */
2770         if (vha->timer_active)
2771                 qla2x00_stop_timer(vha);
2772
2773         /* Kill the kernel thread for this host */
2774         if (ha->dpc_thread) {
2775                 struct task_struct *t = ha->dpc_thread;
2776
2777                 /*
2778                  * qla2xxx_wake_dpc checks for ->dpc_thread
2779                  * so we need to zero it out.
2780                  */
2781                 ha->dpc_thread = NULL;
2782                 kthread_stop(t);
2783         }
2784
2785         qla25xx_delete_queues(vha);
2786
2787         if (ha->flags.fce_enabled)
2788                 qla2x00_disable_fce_trace(vha, NULL, NULL);
2789
2790         if (ha->eft)
2791                 qla2x00_disable_eft_trace(vha);
2792
2793         /* Stop currently executing firmware. */
2794         qla2x00_try_to_stop_firmware(vha);
2795
2796         vha->flags.online = 0;
2797
2798         /* turn-off interrupts on the card */
2799         if (ha->interrupts_on) {
2800                 vha->flags.init_done = 0;
2801                 ha->isp_ops->disable_intrs(ha);
2802         }
2803
2804         qla2x00_free_irqs(vha);
2805
2806         qla2x00_free_fcports(vha);
2807
2808         qla2x00_mem_free(ha);
2809
2810         qla82xx_md_free(vha);
2811
2812         qla2x00_free_queues(ha);
2813 }
2814
2815 void qla2x00_free_fcports(struct scsi_qla_host *vha)
2816 {
2817         fc_port_t *fcport, *tfcport;
2818
2819         list_for_each_entry_safe(fcport, tfcport, &vha->vp_fcports, list) {
2820                 list_del(&fcport->list);
2821                 kfree(fcport);
2822                 fcport = NULL;
2823         }
2824 }
2825
2826 static inline void
2827 qla2x00_schedule_rport_del(struct scsi_qla_host *vha, fc_port_t *fcport,
2828     int defer)
2829 {
2830         struct fc_rport *rport;
2831         scsi_qla_host_t *base_vha;
2832         unsigned long flags;
2833
2834         if (!fcport->rport)
2835                 return;
2836
2837         rport = fcport->rport;
2838         if (defer) {
2839                 base_vha = pci_get_drvdata(vha->hw->pdev);
2840                 spin_lock_irqsave(vha->host->host_lock, flags);
2841                 fcport->drport = rport;
2842                 spin_unlock_irqrestore(vha->host->host_lock, flags);
2843                 set_bit(FCPORT_UPDATE_NEEDED, &base_vha->dpc_flags);
2844                 qla2xxx_wake_dpc(base_vha);
2845         } else
2846                 fc_remote_port_delete(rport);
2847 }
2848
2849 /*
2850  * qla2x00_mark_device_lost Updates fcport state when device goes offline.
2851  *
2852  * Input: ha = adapter block pointer.  fcport = port structure pointer.
2853  *
2854  * Return: None.
2855  *
2856  * Context:
2857  */
2858 void qla2x00_mark_device_lost(scsi_qla_host_t *vha, fc_port_t *fcport,
2859     int do_login, int defer)
2860 {
2861         if (atomic_read(&fcport->state) == FCS_ONLINE &&
2862             vha->vp_idx == fcport->vp_idx) {
2863                 qla2x00_set_fcport_state(fcport, FCS_DEVICE_LOST);
2864                 qla2x00_schedule_rport_del(vha, fcport, defer);
2865         }
2866         /*
2867          * We may need to retry the login, so don't change the state of the
2868          * port but do the retries.
2869          */
2870         if (atomic_read(&fcport->state) != FCS_DEVICE_DEAD)
2871                 qla2x00_set_fcport_state(fcport, FCS_DEVICE_LOST);
2872
2873         if (!do_login)
2874                 return;
2875
2876         if (fcport->login_retry == 0) {
2877                 fcport->login_retry = vha->hw->login_retry_count;
2878                 set_bit(RELOGIN_NEEDED, &vha->dpc_flags);
2879
2880                 ql_dbg(ql_dbg_disc, vha, 0x2067,
2881                     "Port login retry "
2882                     "%02x%02x%02x%02x%02x%02x%02x%02x, "
2883                     "id = 0x%04x retry cnt=%d.\n",
2884                     fcport->port_name[0], fcport->port_name[1],
2885                     fcport->port_name[2], fcport->port_name[3],
2886                     fcport->port_name[4], fcport->port_name[5],
2887                     fcport->port_name[6], fcport->port_name[7],
2888                     fcport->loop_id, fcport->login_retry);
2889         }
2890 }
2891
2892 /*
2893  * qla2x00_mark_all_devices_lost
2894  *      Updates fcport state when device goes offline.
2895  *
2896  * Input:
2897  *      ha = adapter block pointer.
2898  *      fcport = port structure pointer.
2899  *
2900  * Return:
2901  *      None.
2902  *
2903  * Context:
2904  */
2905 void
2906 qla2x00_mark_all_devices_lost(scsi_qla_host_t *vha, int defer)
2907 {
2908         fc_port_t *fcport;
2909
2910         list_for_each_entry(fcport, &vha->vp_fcports, list) {
2911                 if (vha->vp_idx != 0 && vha->vp_idx != fcport->vp_idx)
2912                         continue;
2913
2914                 /*
2915                  * No point in marking the device as lost, if the device is
2916                  * already DEAD.
2917                  */
2918                 if (atomic_read(&fcport->state) == FCS_DEVICE_DEAD)
2919                         continue;
2920                 if (atomic_read(&fcport->state) == FCS_ONLINE) {
2921                         qla2x00_set_fcport_state(fcport, FCS_DEVICE_LOST);
2922                         if (defer)
2923                                 qla2x00_schedule_rport_del(vha, fcport, defer);
2924                         else if (vha->vp_idx == fcport->vp_idx)
2925                                 qla2x00_schedule_rport_del(vha, fcport, defer);
2926                 }
2927         }
2928 }
2929
2930 /*
2931 * qla2x00_mem_alloc
2932 *      Allocates adapter memory.
2933 *
2934 * Returns:
2935 *      0  = success.
2936 *      !0  = failure.
2937 */
2938 static int
2939 qla2x00_mem_alloc(struct qla_hw_data *ha, uint16_t req_len, uint16_t rsp_len,
2940         struct req_que **req, struct rsp_que **rsp)
2941 {
2942         char    name[16];
2943
2944         ha->init_cb = dma_alloc_coherent(&ha->pdev->dev, ha->init_cb_size,
2945                 &ha->init_cb_dma, GFP_KERNEL);
2946         if (!ha->init_cb)
2947                 goto fail;
2948
2949         ha->gid_list = dma_alloc_coherent(&ha->pdev->dev,
2950                 qla2x00_gid_list_size(ha), &ha->gid_list_dma, GFP_KERNEL);
2951         if (!ha->gid_list)
2952                 goto fail_free_init_cb;
2953
2954         ha->srb_mempool = mempool_create_slab_pool(SRB_MIN_REQ, srb_cachep);
2955         if (!ha->srb_mempool)
2956                 goto fail_free_gid_list;
2957
2958         if (IS_QLA82XX(ha)) {
2959                 /* Allocate cache for CT6 Ctx. */
2960                 if (!ctx_cachep) {
2961                         ctx_cachep = kmem_cache_create("qla2xxx_ctx",
2962                                 sizeof(struct ct6_dsd), 0,
2963                                 SLAB_HWCACHE_ALIGN, NULL);
2964                         if (!ctx_cachep)
2965                                 goto fail_free_gid_list;
2966                 }
2967                 ha->ctx_mempool = mempool_create_slab_pool(SRB_MIN_REQ,
2968                         ctx_cachep);
2969                 if (!ha->ctx_mempool)
2970                         goto fail_free_srb_mempool;
2971                 ql_dbg_pci(ql_dbg_init, ha->pdev, 0x0021,
2972                     "ctx_cachep=%p ctx_mempool=%p.\n",
2973                     ctx_cachep, ha->ctx_mempool);
2974         }
2975
2976         /* Get memory for cached NVRAM */
2977         ha->nvram = kzalloc(MAX_NVRAM_SIZE, GFP_KERNEL);
2978         if (!ha->nvram)
2979                 goto fail_free_ctx_mempool;
2980
2981         snprintf(name, sizeof(name), "%s_%d", QLA2XXX_DRIVER_NAME,
2982                 ha->pdev->device);
2983         ha->s_dma_pool = dma_pool_create(name, &ha->pdev->dev,
2984                 DMA_POOL_SIZE, 8, 0);
2985         if (!ha->s_dma_pool)
2986                 goto fail_free_nvram;
2987
2988         ql_dbg_pci(ql_dbg_init, ha->pdev, 0x0022,
2989             "init_cb=%p gid_list=%p, srb_mempool=%p s_dma_pool=%p.\n",
2990             ha->init_cb, ha->gid_list, ha->srb_mempool, ha->s_dma_pool);
2991
2992         if (IS_QLA82XX(ha) || ql2xenabledif) {
2993                 ha->dl_dma_pool = dma_pool_create(name, &ha->pdev->dev,
2994                         DSD_LIST_DMA_POOL_SIZE, 8, 0);
2995                 if (!ha->dl_dma_pool) {
2996                         ql_log_pci(ql_log_fatal, ha->pdev, 0x0023,
2997                             "Failed to allocate memory for dl_dma_pool.\n");
2998                         goto fail_s_dma_pool;
2999                 }
3000
3001                 ha->fcp_cmnd_dma_pool = dma_pool_create(name, &ha->pdev->dev,
3002                         FCP_CMND_DMA_POOL_SIZE, 8, 0);
3003                 if (!ha->fcp_cmnd_dma_pool) {
3004                         ql_log_pci(ql_log_fatal, ha->pdev, 0x0024,
3005                             "Failed to allocate memory for fcp_cmnd_dma_pool.\n");
3006                         goto fail_dl_dma_pool;
3007                 }
3008                 ql_dbg_pci(ql_dbg_init, ha->pdev, 0x0025,
3009                     "dl_dma_pool=%p fcp_cmnd_dma_pool=%p.\n",
3010                     ha->dl_dma_pool, ha->fcp_cmnd_dma_pool);
3011         }
3012
3013         /* Allocate memory for SNS commands */
3014         if (IS_QLA2100(ha) || IS_QLA2200(ha)) {
3015         /* Get consistent memory allocated for SNS commands */
3016                 ha->sns_cmd = dma_alloc_coherent(&ha->pdev->dev,
3017                 sizeof(struct sns_cmd_pkt), &ha->sns_cmd_dma, GFP_KERNEL);
3018                 if (!ha->sns_cmd)
3019                         goto fail_dma_pool;
3020                 ql_dbg_pci(ql_dbg_init, ha->pdev, 0x0026,
3021                     "sns_cmd: %p.\n", ha->sns_cmd);
3022         } else {
3023         /* Get consistent memory allocated for MS IOCB */
3024                 ha->ms_iocb = dma_pool_alloc(ha->s_dma_pool, GFP_KERNEL,
3025                         &ha->ms_iocb_dma);
3026                 if (!ha->ms_iocb)
3027                         goto fail_dma_pool;
3028         /* Get consistent memory allocated for CT SNS commands */
3029                 ha->ct_sns = dma_alloc_coherent(&ha->pdev->dev,
3030                         sizeof(struct ct_sns_pkt), &ha->ct_sns_dma, GFP_KERNEL);
3031                 if (!ha->ct_sns)
3032                         goto fail_free_ms_iocb;
3033                 ql_dbg_pci(ql_dbg_init, ha->pdev, 0x0027,
3034                     "ms_iocb=%p ct_sns=%p.\n",
3035                     ha->ms_iocb, ha->ct_sns);
3036         }
3037
3038         /* Allocate memory for request ring */
3039         *req = kzalloc(sizeof(struct req_que), GFP_KERNEL);
3040         if (!*req) {
3041                 ql_log_pci(ql_log_fatal, ha->pdev, 0x0028,
3042                     "Failed to allocate memory for req.\n");
3043                 goto fail_req;
3044         }
3045         (*req)->length = req_len;
3046         (*req)->ring = dma_alloc_coherent(&ha->pdev->dev,
3047                 ((*req)->length + 1) * sizeof(request_t),
3048                 &(*req)->dma, GFP_KERNEL);
3049         if (!(*req)->ring) {
3050                 ql_log_pci(ql_log_fatal, ha->pdev, 0x0029,
3051                     "Failed to allocate memory for req_ring.\n");
3052                 goto fail_req_ring;
3053         }
3054         /* Allocate memory for response ring */
3055         *rsp = kzalloc(sizeof(struct rsp_que), GFP_KERNEL);
3056         if (!*rsp) {
3057                 ql_log_pci(ql_log_fatal, ha->pdev, 0x002a,
3058                     "Failed to allocate memory for rsp.\n");
3059                 goto fail_rsp;
3060         }
3061         (*rsp)->hw = ha;
3062         (*rsp)->length = rsp_len;
3063         (*rsp)->ring = dma_alloc_coherent(&ha->pdev->dev,
3064                 ((*rsp)->length + 1) * sizeof(response_t),
3065                 &(*rsp)->dma, GFP_KERNEL);
3066         if (!(*rsp)->ring) {
3067                 ql_log_pci(ql_log_fatal, ha->pdev, 0x002b,
3068                     "Failed to allocate memory for rsp_ring.\n");
3069                 goto fail_rsp_ring;
3070         }
3071         (*req)->rsp = *rsp;
3072         (*rsp)->req = *req;
3073         ql_dbg_pci(ql_dbg_init, ha->pdev, 0x002c,
3074             "req=%p req->length=%d req->ring=%p rsp=%p "
3075             "rsp->length=%d rsp->ring=%p.\n",
3076             *req, (*req)->length, (*req)->ring, *rsp, (*rsp)->length,
3077             (*rsp)->ring);
3078         /* Allocate memory for NVRAM data for vports */
3079         if (ha->nvram_npiv_size) {
3080                 ha->npiv_info = kzalloc(sizeof(struct qla_npiv_entry) *
3081                     ha->nvram_npiv_size, GFP_KERNEL);
3082                 if (!ha->npiv_info) {
3083                         ql_log_pci(ql_log_fatal, ha->pdev, 0x002d,
3084                             "Failed to allocate memory for npiv_info.\n");
3085                         goto fail_npiv_info;
3086                 }
3087         } else
3088                 ha->npiv_info = NULL;
3089
3090         /* Get consistent memory allocated for EX-INIT-CB. */
3091         if (IS_CNA_CAPABLE(ha) || IS_QLA2031(ha)) {
3092                 ha->ex_init_cb = dma_pool_alloc(ha->s_dma_pool, GFP_KERNEL,
3093                     &ha->ex_init_cb_dma);
3094                 if (!ha->ex_init_cb)
3095                         goto fail_ex_init_cb;
3096                 ql_dbg_pci(ql_dbg_init, ha->pdev, 0x002e,
3097                     "ex_init_cb=%p.\n", ha->ex_init_cb);
3098         }
3099
3100         INIT_LIST_HEAD(&ha->gbl_dsd_list);
3101
3102         /* Get consistent memory allocated for Async Port-Database. */
3103         if (!IS_FWI2_CAPABLE(ha)) {
3104                 ha->async_pd = dma_pool_alloc(ha->s_dma_pool, GFP_KERNEL,
3105                         &ha->async_pd_dma);
3106                 if (!ha->async_pd)
3107                         goto fail_async_pd;
3108                 ql_dbg_pci(ql_dbg_init, ha->pdev, 0x002f,
3109                     "async_pd=%p.\n", ha->async_pd);
3110         }
3111
3112         INIT_LIST_HEAD(&ha->vp_list);
3113         return 1;
3114
3115 fail_async_pd:
3116         dma_pool_free(ha->s_dma_pool, ha->ex_init_cb, ha->ex_init_cb_dma);
3117 fail_ex_init_cb:
3118         kfree(ha->npiv_info);
3119 fail_npiv_info:
3120         dma_free_coherent(&ha->pdev->dev, ((*rsp)->length + 1) *
3121                 sizeof(response_t), (*rsp)->ring, (*rsp)->dma);
3122         (*rsp)->ring = NULL;
3123         (*rsp)->dma = 0;
3124 fail_rsp_ring:
3125         kfree(*rsp);
3126 fail_rsp:
3127         dma_free_coherent(&ha->pdev->dev, ((*req)->length + 1) *
3128                 sizeof(request_t), (*req)->ring, (*req)->dma);
3129         (*req)->ring = NULL;
3130         (*req)->dma = 0;
3131 fail_req_ring:
3132         kfree(*req);
3133 fail_req:
3134         dma_free_coherent(&ha->pdev->dev, sizeof(struct ct_sns_pkt),
3135                 ha->ct_sns, ha->ct_sns_dma);
3136         ha->ct_sns = NULL;
3137         ha->ct_sns_dma = 0;
3138 fail_free_ms_iocb:
3139         dma_pool_free(ha->s_dma_pool, ha->ms_iocb, ha->ms_iocb_dma);
3140         ha->ms_iocb = NULL;
3141         ha->ms_iocb_dma = 0;
3142 fail_dma_pool:
3143         if (IS_QLA82XX(ha) || ql2xenabledif) {
3144                 dma_pool_destroy(ha->fcp_cmnd_dma_pool);
3145                 ha->fcp_cmnd_dma_pool = NULL;
3146         }
3147 fail_dl_dma_pool:
3148         if (IS_QLA82XX(ha) || ql2xenabledif) {
3149                 dma_pool_destroy(ha->dl_dma_pool);
3150                 ha->dl_dma_pool = NULL;
3151         }
3152 fail_s_dma_pool:
3153         dma_pool_destroy(ha->s_dma_pool);
3154         ha->s_dma_pool = NULL;
3155 fail_free_nvram:
3156         kfree(ha->nvram);
3157         ha->nvram = NULL;
3158 fail_free_ctx_mempool:
3159         mempool_destroy(ha->ctx_mempool);
3160         ha->ctx_mempool = NULL;
3161 fail_free_srb_mempool:
3162         mempool_destroy(ha->srb_mempool);
3163         ha->srb_mempool = NULL;
3164 fail_free_gid_list:
3165         dma_free_coherent(&ha->pdev->dev, qla2x00_gid_list_size(ha),
3166         ha->gid_list,
3167         ha->gid_list_dma);
3168         ha->gid_list = NULL;
3169         ha->gid_list_dma = 0;
3170 fail_free_init_cb:
3171         dma_free_coherent(&ha->pdev->dev, ha->init_cb_size, ha->init_cb,
3172         ha->init_cb_dma);
3173         ha->init_cb = NULL;
3174         ha->init_cb_dma = 0;
3175 fail:
3176         ql_log(ql_log_fatal, NULL, 0x0030,
3177             "Memory allocation failure.\n");
3178         return -ENOMEM;
3179 }
3180
3181 /*
3182 * qla2x00_free_fw_dump
3183 *       Frees fw dump stuff.
3184 *
3185 * Input:
3186 *       ha = adapter block pointer.
3187 */
3188 static void
3189 qla2x00_free_fw_dump(struct qla_hw_data *ha)
3190 {
3191         if (ha->fce)
3192                 dma_free_coherent(&ha->pdev->dev, FCE_SIZE, ha->fce,
3193                     ha->fce_dma);
3194
3195         if (ha->fw_dump) {
3196                 if (ha->eft)
3197                         dma_free_coherent(&ha->pdev->dev,
3198                             ntohl(ha->fw_dump->eft_size), ha->eft, ha->eft_dma);
3199                 vfree(ha->fw_dump);
3200         }
3201         ha->fce = NULL;
3202         ha->fce_dma = 0;
3203         ha->eft = NULL;
3204         ha->eft_dma = 0;
3205         ha->fw_dump = NULL;
3206         ha->fw_dumped = 0;
3207         ha->fw_dump_reading = 0;
3208 }
3209
3210 /*
3211 * qla2x00_mem_free
3212 *      Frees all adapter allocated memory.
3213 *
3214 * Input:
3215 *      ha = adapter block pointer.
3216 */
3217 static void
3218 qla2x00_mem_free(struct qla_hw_data *ha)
3219 {
3220         qla2x00_free_fw_dump(ha);
3221
3222         if (ha->srb_mempool)
3223                 mempool_destroy(ha->srb_mempool);
3224
3225         if (ha->dcbx_tlv)
3226                 dma_free_coherent(&ha->pdev->dev, DCBX_TLV_DATA_SIZE,
3227                     ha->dcbx_tlv, ha->dcbx_tlv_dma);
3228
3229         if (ha->xgmac_data)
3230                 dma_free_coherent(&ha->pdev->dev, XGMAC_DATA_SIZE,
3231                     ha->xgmac_data, ha->xgmac_data_dma);
3232
3233         if (ha->sns_cmd)
3234                 dma_free_coherent(&ha->pdev->dev, sizeof(struct sns_cmd_pkt),
3235                 ha->sns_cmd, ha->sns_cmd_dma);
3236
3237         if (ha->ct_sns)
3238                 dma_free_coherent(&ha->pdev->dev, sizeof(struct ct_sns_pkt),
3239                 ha->ct_sns, ha->ct_sns_dma);
3240
3241         if (ha->sfp_data)
3242                 dma_pool_free(ha->s_dma_pool, ha->sfp_data, ha->sfp_data_dma);
3243
3244         if (ha->ms_iocb)
3245                 dma_pool_free(ha->s_dma_pool, ha->ms_iocb, ha->ms_iocb_dma);
3246
3247         if (ha->ex_init_cb)
3248                 dma_pool_free(ha->s_dma_pool,
3249                         ha->ex_init_cb, ha->ex_init_cb_dma);
3250
3251         if (ha->async_pd)
3252                 dma_pool_free(ha->s_dma_pool, ha->async_pd, ha->async_pd_dma);
3253
3254         if (ha->s_dma_pool)
3255                 dma_pool_destroy(ha->s_dma_pool);
3256
3257         if (ha->gid_list)
3258                 dma_free_coherent(&ha->pdev->dev, qla2x00_gid_list_size(ha),
3259                 ha->gid_list, ha->gid_list_dma);
3260
3261         if (IS_QLA82XX(ha)) {
3262                 if (!list_empty(&ha->gbl_dsd_list)) {
3263                         struct dsd_dma *dsd_ptr, *tdsd_ptr;
3264
3265                         /* clean up allocated prev pool */
3266                         list_for_each_entry_safe(dsd_ptr,
3267                                 tdsd_ptr, &ha->gbl_dsd_list, list) {
3268                                 dma_pool_free(ha->dl_dma_pool,
3269                                 dsd_ptr->dsd_addr, dsd_ptr->dsd_list_dma);
3270                                 list_del(&dsd_ptr->list);
3271                                 kfree(dsd_ptr);
3272                         }
3273                 }
3274         }
3275
3276         if (ha->dl_dma_pool)
3277                 dma_pool_destroy(ha->dl_dma_pool);
3278
3279         if (ha->fcp_cmnd_dma_pool)
3280                 dma_pool_destroy(ha->fcp_cmnd_dma_pool);
3281
3282         if (ha->ctx_mempool)
3283                 mempool_destroy(ha->ctx_mempool);
3284
3285         if (ha->init_cb)
3286                 dma_free_coherent(&ha->pdev->dev, ha->init_cb_size,
3287                         ha->init_cb, ha->init_cb_dma);
3288         vfree(ha->optrom_buffer);
3289         kfree(ha->nvram);
3290         kfree(ha->npiv_info);
3291         kfree(ha->swl);
3292
3293         ha->srb_mempool = NULL;
3294         ha->ctx_mempool = NULL;
3295         ha->sns_cmd = NULL;
3296         ha->sns_cmd_dma = 0;
3297         ha->ct_sns = NULL;
3298         ha->ct_sns_dma = 0;
3299         ha->ms_iocb = NULL;
3300         ha->ms_iocb_dma = 0;
3301         ha->init_cb = NULL;
3302         ha->init_cb_dma = 0;
3303         ha->ex_init_cb = NULL;
3304         ha->ex_init_cb_dma = 0;
3305         ha->async_pd = NULL;
3306         ha->async_pd_dma = 0;
3307
3308         ha->s_dma_pool = NULL;
3309         ha->dl_dma_pool = NULL;
3310         ha->fcp_cmnd_dma_pool = NULL;
3311
3312         ha->gid_list = NULL;
3313         ha->gid_list_dma = 0;
3314 }
3315
3316 struct scsi_qla_host *qla2x00_create_host(struct scsi_host_template *sht,
3317                                                 struct qla_hw_data *ha)
3318 {
3319         struct Scsi_Host *host;
3320         struct scsi_qla_host *vha = NULL;
3321
3322         host = scsi_host_alloc(sht, sizeof(scsi_qla_host_t));
3323         if (host == NULL) {
3324                 ql_log_pci(ql_log_fatal, ha->pdev, 0x0107,
3325                     "Failed to allocate host from the scsi layer, aborting.\n");
3326                 goto fail;
3327         }
3328
3329         /* Clear our data area */
3330         vha = shost_priv(host);
3331         memset(vha, 0, sizeof(scsi_qla_host_t));
3332
3333         vha->host = host;
3334         vha->host_no = host->host_no;
3335         vha->hw = ha;
3336
3337         INIT_LIST_HEAD(&vha->vp_fcports);
3338         INIT_LIST_HEAD(&vha->work_list);
3339         INIT_LIST_HEAD(&vha->list);
3340
3341         spin_lock_init(&vha->work_lock);
3342
3343         sprintf(vha->host_str, "%s_%ld", QLA2XXX_DRIVER_NAME, vha->host_no);
3344         ql_dbg(ql_dbg_init, vha, 0x0041,
3345             "Allocated the host=%p hw=%p vha=%p dev_name=%s",
3346             vha->host, vha->hw, vha,
3347             dev_name(&(ha->pdev->dev)));
3348
3349         return vha;
3350
3351 fail:
3352         return vha;
3353 }
3354
3355 static struct qla_work_evt *
3356 qla2x00_alloc_work(struct scsi_qla_host *vha, enum qla_work_type type)
3357 {
3358         struct qla_work_evt *e;
3359         uint8_t bail;
3360
3361         QLA_VHA_MARK_BUSY(vha, bail);
3362         if (bail)
3363                 return NULL;
3364
3365         e = kzalloc(sizeof(struct qla_work_evt), GFP_ATOMIC);
3366         if (!e) {
3367                 QLA_VHA_MARK_NOT_BUSY(vha);
3368                 return NULL;
3369         }
3370
3371         INIT_LIST_HEAD(&e->list);
3372         e->type = type;
3373         e->flags = QLA_EVT_FLAG_FREE;
3374         return e;
3375 }
3376
3377 static int
3378 qla2x00_post_work(struct scsi_qla_host *vha, struct qla_work_evt *e)
3379 {
3380         unsigned long flags;
3381
3382         spin_lock_irqsave(&vha->work_lock, flags);
3383         list_add_tail(&e->list, &vha->work_list);
3384         spin_unlock_irqrestore(&vha->work_lock, flags);
3385         qla2xxx_wake_dpc(vha);
3386
3387         return QLA_SUCCESS;
3388 }
3389
3390 int
3391 qla2x00_post_aen_work(struct scsi_qla_host *vha, enum fc_host_event_code code,
3392     u32 data)
3393 {
3394         struct qla_work_evt *e;
3395
3396         e = qla2x00_alloc_work(vha, QLA_EVT_AEN);
3397         if (!e)
3398                 return QLA_FUNCTION_FAILED;
3399
3400         e->u.aen.code = code;
3401         e->u.aen.data = data;
3402         return qla2x00_post_work(vha, e);
3403 }
3404
3405 int
3406 qla2x00_post_idc_ack_work(struct scsi_qla_host *vha, uint16_t *mb)
3407 {
3408         struct qla_work_evt *e;
3409
3410         e = qla2x00_alloc_work(vha, QLA_EVT_IDC_ACK);
3411         if (!e)
3412                 return QLA_FUNCTION_FAILED;
3413
3414         memcpy(e->u.idc_ack.mb, mb, QLA_IDC_ACK_REGS * sizeof(uint16_t));
3415         return qla2x00_post_work(vha, e);
3416 }
3417
3418 #define qla2x00_post_async_work(name, type)     \
3419 int qla2x00_post_async_##name##_work(           \
3420     struct scsi_qla_host *vha,                  \
3421     fc_port_t *fcport, uint16_t *data)          \
3422 {                                               \
3423         struct qla_work_evt *e;                 \
3424                                                 \
3425         e = qla2x00_alloc_work(vha, type);      \
3426         if (!e)                                 \
3427                 return QLA_FUNCTION_FAILED;     \
3428                                                 \
3429         e->u.logio.fcport = fcport;             \
3430         if (data) {                             \
3431                 e->u.logio.data[0] = data[0];   \
3432                 e->u.logio.data[1] = data[1];   \
3433         }                                       \
3434         return qla2x00_post_work(vha, e);       \
3435 }
3436
3437 qla2x00_post_async_work(login, QLA_EVT_ASYNC_LOGIN);
3438 qla2x00_post_async_work(login_done, QLA_EVT_ASYNC_LOGIN_DONE);
3439 qla2x00_post_async_work(logout, QLA_EVT_ASYNC_LOGOUT);
3440 qla2x00_post_async_work(logout_done, QLA_EVT_ASYNC_LOGOUT_DONE);
3441 qla2x00_post_async_work(adisc, QLA_EVT_ASYNC_ADISC);
3442 qla2x00_post_async_work(adisc_done, QLA_EVT_ASYNC_ADISC_DONE);
3443
3444 int
3445 qla2x00_post_uevent_work(struct scsi_qla_host *vha, u32 code)
3446 {
3447         struct qla_work_evt *e;
3448
3449         e = qla2x00_alloc_work(vha, QLA_EVT_UEVENT);
3450         if (!e)
3451                 return QLA_FUNCTION_FAILED;
3452
3453         e->u.uevent.code = code;
3454         return qla2x00_post_work(vha, e);
3455 }
3456
3457 static void
3458 qla2x00_uevent_emit(struct scsi_qla_host *vha, u32 code)
3459 {
3460         char event_string[40];
3461         char *envp[] = { event_string, NULL };
3462
3463         switch (code) {
3464         case QLA_UEVENT_CODE_FW_DUMP:
3465                 snprintf(event_string, sizeof(event_string), "FW_DUMP=%ld",
3466                     vha->host_no);
3467                 break;
3468         default:
3469                 /* do nothing */
3470                 break;
3471         }
3472         kobject_uevent_env(&vha->hw->pdev->dev.kobj, KOBJ_CHANGE, envp);
3473 }
3474
3475 void
3476 qla2x00_do_work(struct scsi_qla_host *vha)
3477 {
3478         struct qla_work_evt *e, *tmp;
3479         unsigned long flags;
3480         LIST_HEAD(work);
3481
3482         spin_lock_irqsave(&vha->work_lock, flags);
3483         list_splice_init(&vha->work_list, &work);
3484         spin_unlock_irqrestore(&vha->work_lock, flags);
3485
3486         list_for_each_entry_safe(e, tmp, &work, list) {
3487                 list_del_init(&e->list);
3488
3489                 switch (e->type) {
3490                 case QLA_EVT_AEN:
3491                         fc_host_post_event(vha->host, fc_get_event_number(),
3492                             e->u.aen.code, e->u.aen.data);
3493                         break;
3494                 case QLA_EVT_IDC_ACK:
3495                         qla81xx_idc_ack(vha, e->u.idc_ack.mb);
3496                         break;
3497                 case QLA_EVT_ASYNC_LOGIN:
3498                         qla2x00_async_login(vha, e->u.logio.fcport,
3499                             e->u.logio.data);
3500                         break;
3501                 case QLA_EVT_ASYNC_LOGIN_DONE:
3502                         qla2x00_async_login_done(vha, e->u.logio.fcport,
3503                             e->u.logio.data);
3504                         break;
3505                 case QLA_EVT_ASYNC_LOGOUT:
3506                         qla2x00_async_logout(vha, e->u.logio.fcport);
3507                         break;
3508                 case QLA_EVT_ASYNC_LOGOUT_DONE:
3509                         qla2x00_async_logout_done(vha, e->u.logio.fcport,
3510                             e->u.logio.data);
3511                         break;
3512                 case QLA_EVT_ASYNC_ADISC:
3513                         qla2x00_async_adisc(vha, e->u.logio.fcport,
3514                             e->u.logio.data);
3515                         break;
3516                 case QLA_EVT_ASYNC_ADISC_DONE:
3517                         qla2x00_async_adisc_done(vha, e->u.logio.fcport,
3518                             e->u.logio.data);
3519                         break;
3520                 case QLA_EVT_UEVENT:
3521                         qla2x00_uevent_emit(vha, e->u.uevent.code);
3522                         break;
3523                 }
3524                 if (e->flags & QLA_EVT_FLAG_FREE)
3525                         kfree(e);
3526
3527                 /* For each work completed decrement vha ref count */
3528                 QLA_VHA_MARK_NOT_BUSY(vha);
3529         }
3530 }
3531
3532 /* Relogins all the fcports of a vport
3533  * Context: dpc thread
3534  */
3535 void qla2x00_relogin(struct scsi_qla_host *vha)
3536 {
3537         fc_port_t       *fcport;
3538         int status;
3539         uint16_t        next_loopid = 0;
3540         struct qla_hw_data *ha = vha->hw;
3541         uint16_t data[2];
3542
3543         list_for_each_entry(fcport, &vha->vp_fcports, list) {
3544         /*
3545          * If the port is not ONLINE then try to login
3546          * to it if we haven't run out of retries.
3547          */
3548                 if (atomic_read(&fcport->state) != FCS_ONLINE &&
3549                     fcport->login_retry && !(fcport->flags & FCF_ASYNC_SENT)) {
3550                         fcport->login_retry--;
3551                         if (fcport->flags & FCF_FABRIC_DEVICE) {
3552                                 if (fcport->flags & FCF_FCP2_DEVICE)
3553                                         ha->isp_ops->fabric_logout(vha,
3554                                                         fcport->loop_id,
3555                                                         fcport->d_id.b.domain,
3556                                                         fcport->d_id.b.area,
3557                                                         fcport->d_id.b.al_pa);
3558
3559                                 if (fcport->loop_id == FC_NO_LOOP_ID) {
3560                                         fcport->loop_id = next_loopid =
3561                                             ha->min_external_loopid;
3562                                         status = qla2x00_find_new_loop_id(
3563                                             vha, fcport);
3564                                         if (status != QLA_SUCCESS) {
3565                                                 /* Ran out of IDs to use */
3566                                                 break;
3567                                         }
3568                                 }
3569
3570                                 if (IS_ALOGIO_CAPABLE(ha)) {
3571                                         fcport->flags |= FCF_ASYNC_SENT;
3572                                         data[0] = 0;
3573                                         data[1] = QLA_LOGIO_LOGIN_RETRIED;
3574                                         status = qla2x00_post_async_login_work(
3575                                             vha, fcport, data);
3576                                         if (status == QLA_SUCCESS)
3577                                                 continue;
3578                                         /* Attempt a retry. */
3579                                         status = 1;
3580                                 } else
3581                                         status = qla2x00_fabric_login(vha,
3582                                             fcport, &next_loopid);
3583                         } else
3584                                 status = qla2x00_local_device_login(vha,
3585                                                                 fcport);
3586
3587                         if (status == QLA_SUCCESS) {
3588                                 fcport->old_loop_id = fcport->loop_id;
3589
3590                                 ql_dbg(ql_dbg_disc, vha, 0x2003,
3591                                     "Port login OK: logged in ID 0x%x.\n",
3592                                     fcport->loop_id);
3593
3594                                 qla2x00_update_fcport(vha, fcport);
3595
3596                         } else if (status == 1) {
3597                                 set_bit(RELOGIN_NEEDED, &vha->dpc_flags);
3598                                 /* retry the login again */
3599                                 ql_dbg(ql_dbg_disc, vha, 0x2007,
3600                                     "Retrying %d login again loop_id 0x%x.\n",
3601                                     fcport->login_retry, fcport->loop_id);
3602                         } else {
3603                                 fcport->login_retry = 0;
3604                         }
3605
3606                         if (fcport->login_retry == 0 && status != QLA_SUCCESS)
3607                                 fcport->loop_id = FC_NO_LOOP_ID;
3608                 }
3609                 if (test_bit(LOOP_RESYNC_NEEDED, &vha->dpc_flags))
3610                         break;
3611         }
3612 }
3613
3614 /**************************************************************************
3615 * qla2x00_do_dpc
3616 *   This kernel thread is a task that is schedule by the interrupt handler
3617 *   to perform the background processing for interrupts.
3618 *
3619 * Notes:
3620 * This task always run in the context of a kernel thread.  It
3621 * is kick-off by the driver's detect code and starts up
3622 * up one per adapter. It immediately goes to sleep and waits for
3623 * some fibre event.  When either the interrupt handler or
3624 * the timer routine detects a event it will one of the task
3625 * bits then wake us up.
3626 **************************************************************************/
3627 static int
3628 qla2x00_do_dpc(void *data)
3629 {
3630         int             rval;
3631         scsi_qla_host_t *base_vha;
3632         struct qla_hw_data *ha;
3633
3634         ha = (struct qla_hw_data *)data;
3635         base_vha = pci_get_drvdata(ha->pdev);
3636
3637         set_user_nice(current, -20);
3638
3639         set_current_state(TASK_INTERRUPTIBLE);
3640         while (!kthread_should_stop()) {
3641                 ql_dbg(ql_dbg_dpc, base_vha, 0x4000,
3642                     "DPC handler sleeping.\n");
3643
3644                 schedule();
3645                 __set_current_state(TASK_RUNNING);
3646
3647                 if (!base_vha->flags.init_done || ha->flags.mbox_busy)
3648                         goto end_loop;
3649
3650                 if (ha->flags.eeh_busy) {
3651                         ql_dbg(ql_dbg_dpc, base_vha, 0x4003,
3652                             "eeh_busy=%d.\n", ha->flags.eeh_busy);
3653                         goto end_loop;
3654                 }
3655
3656                 ha->dpc_active = 1;
3657
3658                 ql_dbg(ql_dbg_dpc, base_vha, 0x4001,
3659                     "DPC handler waking up.\n");
3660                 ql_dbg(ql_dbg_dpc, base_vha, 0x4002,
3661                     "dpc_flags=0x%lx.\n", base_vha->dpc_flags);
3662
3663                 qla2x00_do_work(base_vha);
3664
3665                 if (IS_QLA82XX(ha)) {
3666                         if (test_and_clear_bit(ISP_UNRECOVERABLE,
3667                                 &base_vha->dpc_flags)) {
3668                                 qla82xx_idc_lock(ha);
3669                                 qla82xx_wr_32(ha, QLA82XX_CRB_DEV_STATE,
3670                                         QLA82XX_DEV_FAILED);
3671                                 qla82xx_idc_unlock(ha);
3672                                 ql_log(ql_log_info, base_vha, 0x4004,
3673                                     "HW State: FAILED.\n");
3674                                 qla82xx_device_state_handler(base_vha);
3675                                 continue;
3676                         }
3677
3678                         if (test_and_clear_bit(FCOE_CTX_RESET_NEEDED,
3679                                 &base_vha->dpc_flags)) {
3680
3681                                 ql_dbg(ql_dbg_dpc, base_vha, 0x4005,
3682                                     "FCoE context reset scheduled.\n");
3683                                 if (!(test_and_set_bit(ABORT_ISP_ACTIVE,
3684                                         &base_vha->dpc_flags))) {
3685                                         if (qla82xx_fcoe_ctx_reset(base_vha)) {
3686                                                 /* FCoE-ctx reset failed.
3687                                                  * Escalate to chip-reset
3688                                                  */
3689                                                 set_bit(ISP_ABORT_NEEDED,
3690                                                         &base_vha->dpc_flags);
3691                                         }
3692                                         clear_bit(ABORT_ISP_ACTIVE,
3693                                                 &base_vha->dpc_flags);
3694                                 }
3695
3696                                 ql_dbg(ql_dbg_dpc, base_vha, 0x4006,
3697                                     "FCoE context reset end.\n");
3698                         }
3699                 }
3700
3701                 if (test_and_clear_bit(ISP_ABORT_NEEDED,
3702                                                 &base_vha->dpc_flags)) {
3703
3704                         ql_dbg(ql_dbg_dpc, base_vha, 0x4007,
3705                             "ISP abort scheduled.\n");
3706                         if (!(test_and_set_bit(ABORT_ISP_ACTIVE,
3707                             &base_vha->dpc_flags))) {
3708
3709                                 if (ha->isp_ops->abort_isp(base_vha)) {
3710                                         /* failed. retry later */
3711                                         set_bit(ISP_ABORT_NEEDED,
3712                                             &base_vha->dpc_flags);
3713                                 }
3714                                 clear_bit(ABORT_ISP_ACTIVE,
3715                                                 &base_vha->dpc_flags);
3716                         }
3717
3718                         ql_dbg(ql_dbg_dpc, base_vha, 0x4008,
3719                             "ISP abort end.\n");
3720                 }
3721
3722                 if (test_bit(FCPORT_UPDATE_NEEDED, &base_vha->dpc_flags)) {
3723                         qla2x00_update_fcports(base_vha);
3724                         clear_bit(FCPORT_UPDATE_NEEDED, &base_vha->dpc_flags);
3725                 }
3726
3727                 if (test_bit(ISP_QUIESCE_NEEDED, &base_vha->dpc_flags)) {
3728                         ql_dbg(ql_dbg_dpc, base_vha, 0x4009,
3729                             "Quiescence mode scheduled.\n");
3730                         qla82xx_device_state_handler(base_vha);
3731                         clear_bit(ISP_QUIESCE_NEEDED, &base_vha->dpc_flags);
3732                         if (!ha->flags.quiesce_owner) {
3733                                 qla2x00_perform_loop_resync(base_vha);
3734
3735                                 qla82xx_idc_lock(ha);
3736                                 qla82xx_clear_qsnt_ready(base_vha);
3737                                 qla82xx_idc_unlock(ha);
3738                         }
3739                         ql_dbg(ql_dbg_dpc, base_vha, 0x400a,
3740                             "Quiescence mode end.\n");
3741                 }
3742
3743                 if (test_and_clear_bit(RESET_MARKER_NEEDED,
3744                                                         &base_vha->dpc_flags) &&
3745                     (!(test_and_set_bit(RESET_ACTIVE, &base_vha->dpc_flags)))) {
3746
3747                         ql_dbg(ql_dbg_dpc, base_vha, 0x400b,
3748                             "Reset marker scheduled.\n");
3749                         qla2x00_rst_aen(base_vha);
3750                         clear_bit(RESET_ACTIVE, &base_vha->dpc_flags);
3751                         ql_dbg(ql_dbg_dpc, base_vha, 0x400c,
3752                             "Reset marker end.\n");
3753                 }
3754
3755                 /* Retry each device up to login retry count */
3756                 if ((test_and_clear_bit(RELOGIN_NEEDED,
3757                                                 &base_vha->dpc_flags)) &&
3758                     !test_bit(LOOP_RESYNC_NEEDED, &base_vha->dpc_flags) &&
3759                     atomic_read(&base_vha->loop_state) != LOOP_DOWN) {
3760
3761                         ql_dbg(ql_dbg_dpc, base_vha, 0x400d,
3762                             "Relogin scheduled.\n");
3763                         qla2x00_relogin(base_vha);
3764                         ql_dbg(ql_dbg_dpc, base_vha, 0x400e,
3765                             "Relogin end.\n");
3766                 }
3767
3768                 if (test_and_clear_bit(LOOP_RESYNC_NEEDED,
3769                                                         &base_vha->dpc_flags)) {
3770
3771                         ql_dbg(ql_dbg_dpc, base_vha, 0x400f,
3772                             "Loop resync scheduled.\n");
3773
3774                         if (!(test_and_set_bit(LOOP_RESYNC_ACTIVE,
3775                             &base_vha->dpc_flags))) {
3776
3777                                 rval = qla2x00_loop_resync(base_vha);
3778
3779                                 clear_bit(LOOP_RESYNC_ACTIVE,
3780                                                 &base_vha->dpc_flags);
3781                         }
3782
3783                         ql_dbg(ql_dbg_dpc, base_vha, 0x4010,
3784                             "Loop resync end.\n");
3785                 }
3786
3787                 if (test_bit(NPIV_CONFIG_NEEDED, &base_vha->dpc_flags) &&
3788                     atomic_read(&base_vha->loop_state) == LOOP_READY) {
3789                         clear_bit(NPIV_CONFIG_NEEDED, &base_vha->dpc_flags);
3790                         qla2xxx_flash_npiv_conf(base_vha);
3791                 }
3792
3793                 if (!ha->interrupts_on)
3794                         ha->isp_ops->enable_intrs(ha);
3795
3796                 if (test_and_clear_bit(BEACON_BLINK_NEEDED,
3797                                         &base_vha->dpc_flags))
3798                         ha->isp_ops->beacon_blink(base_vha);
3799
3800                 qla2x00_do_dpc_all_vps(base_vha);
3801
3802                 ha->dpc_active = 0;
3803 end_loop:
3804                 set_current_state(TASK_INTERRUPTIBLE);
3805         } /* End of while(1) */
3806         __set_current_state(TASK_RUNNING);
3807
3808         ql_dbg(ql_dbg_dpc, base_vha, 0x4011,
3809             "DPC handler exiting.\n");
3810
3811         /*
3812          * Make sure that nobody tries to wake us up again.
3813          */
3814         ha->dpc_active = 0;
3815
3816         /* Cleanup any residual CTX SRBs. */
3817         qla2x00_abort_all_cmds(base_vha, DID_NO_CONNECT << 16);
3818
3819         return 0;
3820 }
3821
3822 void
3823 qla2xxx_wake_dpc(struct scsi_qla_host *vha)
3824 {
3825         struct qla_hw_data *ha = vha->hw;
3826         struct task_struct *t = ha->dpc_thread;
3827
3828         if (!test_bit(UNLOADING, &vha->dpc_flags) && t)
3829                 wake_up_process(t);
3830 }
3831
3832 /*
3833 *  qla2x00_rst_aen
3834 *      Processes asynchronous reset.
3835 *
3836 * Input:
3837 *      ha  = adapter block pointer.
3838 */
3839 static void
3840 qla2x00_rst_aen(scsi_qla_host_t *vha)
3841 {
3842         if (vha->flags.online && !vha->flags.reset_active &&
3843             !atomic_read(&vha->loop_down_timer) &&
3844             !(test_bit(ABORT_ISP_ACTIVE, &vha->dpc_flags))) {
3845                 do {
3846                         clear_bit(RESET_MARKER_NEEDED, &vha->dpc_flags);
3847
3848                         /*
3849                          * Issue marker command only when we are going to start
3850                          * the I/O.
3851                          */
3852                         vha->marker_needed = 1;
3853                 } while (!atomic_read(&vha->loop_down_timer) &&
3854                     (test_bit(RESET_MARKER_NEEDED, &vha->dpc_flags)));
3855         }
3856 }
3857
3858 /**************************************************************************
3859 *   qla2x00_timer
3860 *
3861 * Description:
3862 *   One second timer
3863 *
3864 * Context: Interrupt
3865 ***************************************************************************/
3866 void
3867 qla2x00_timer(scsi_qla_host_t *vha)
3868 {
3869         unsigned long   cpu_flags = 0;
3870         int             start_dpc = 0;
3871         int             index;
3872         srb_t           *sp;
3873         uint16_t        w;
3874         struct qla_hw_data *ha = vha->hw;
3875         struct req_que *req;
3876
3877         if (ha->flags.eeh_busy) {
3878                 ql_dbg(ql_dbg_timer, vha, 0x6000,
3879                     "EEH = %d, restarting timer.\n",
3880                     ha->flags.eeh_busy);
3881                 qla2x00_restart_timer(vha, WATCH_INTERVAL);
3882                 return;
3883         }
3884
3885         /* Hardware read to raise pending EEH errors during mailbox waits. */
3886         if (!pci_channel_offline(ha->pdev))
3887                 pci_read_config_word(ha->pdev, PCI_VENDOR_ID, &w);
3888
3889         /* Make sure qla82xx_watchdog is run only for physical port */
3890         if (!vha->vp_idx && IS_QLA82XX(ha)) {
3891                 if (test_bit(ISP_QUIESCE_NEEDED, &vha->dpc_flags))
3892                         start_dpc++;
3893                 qla82xx_watchdog(vha);
3894         }
3895
3896         /* Loop down handler. */
3897         if (atomic_read(&vha->loop_down_timer) > 0 &&
3898             !(test_bit(ABORT_ISP_ACTIVE, &vha->dpc_flags)) &&
3899             !(test_bit(FCOE_CTX_RESET_NEEDED, &vha->dpc_flags))
3900                 && vha->flags.online) {
3901
3902                 if (atomic_read(&vha->loop_down_timer) ==
3903                     vha->loop_down_abort_time) {
3904
3905                         ql_log(ql_log_info, vha, 0x6008,
3906                             "Loop down - aborting the queues before time expires.\n");
3907
3908                         if (!IS_QLA2100(ha) && vha->link_down_timeout)
3909                                 atomic_set(&vha->loop_state, LOOP_DEAD);
3910
3911                         /*
3912                          * Schedule an ISP abort to return any FCP2-device
3913                          * commands.
3914                          */
3915                         /* NPIV - scan physical port only */
3916                         if (!vha->vp_idx) {
3917                                 spin_lock_irqsave(&ha->hardware_lock,
3918                                     cpu_flags);
3919                                 req = ha->req_q_map[0];
3920                                 for (index = 1;
3921                                     index < MAX_OUTSTANDING_COMMANDS;
3922                                     index++) {
3923                                         fc_port_t *sfcp;
3924
3925                                         sp = req->outstanding_cmds[index];
3926                                         if (!sp)
3927                                                 continue;
3928                                         if (sp->type != SRB_SCSI_CMD)
3929                                                 continue;
3930                                         sfcp = sp->fcport;
3931                                         if (!(sfcp->flags & FCF_FCP2_DEVICE))
3932                                                 continue;
3933
3934                                         if (IS_QLA82XX(ha))
3935                                                 set_bit(FCOE_CTX_RESET_NEEDED,
3936                                                         &vha->dpc_flags);
3937                                         else
3938                                                 set_bit(ISP_ABORT_NEEDED,
3939                                                         &vha->dpc_flags);
3940                                         break;
3941                                 }
3942                                 spin_unlock_irqrestore(&ha->hardware_lock,
3943                                                                 cpu_flags);
3944                         }
3945                         start_dpc++;
3946                 }
3947
3948                 /* if the loop has been down for 4 minutes, reinit adapter */
3949                 if (atomic_dec_and_test(&vha->loop_down_timer) != 0) {
3950                         if (!(vha->device_flags & DFLG_NO_CABLE)) {
3951                                 ql_log(ql_log_warn, vha, 0x6009,
3952                                     "Loop down - aborting ISP.\n");
3953
3954                                 if (IS_QLA82XX(ha))
3955                                         set_bit(FCOE_CTX_RESET_NEEDED,
3956                                                 &vha->dpc_flags);
3957                                 else
3958                                         set_bit(ISP_ABORT_NEEDED,
3959                                                 &vha->dpc_flags);
3960                         }
3961                 }
3962                 ql_dbg(ql_dbg_timer, vha, 0x600a,
3963                     "Loop down - seconds remaining %d.\n",
3964                     atomic_read(&vha->loop_down_timer));
3965         }
3966
3967         /* Check if beacon LED needs to be blinked for physical host only */
3968         if (!vha->vp_idx && (ha->beacon_blink_led == 1)) {
3969                 /* There is no beacon_blink function for ISP82xx */
3970                 if (!IS_QLA82XX(ha)) {
3971                         set_bit(BEACON_BLINK_NEEDED, &vha->dpc_flags);
3972                         start_dpc++;
3973                 }
3974         }
3975
3976         /* Process any deferred work. */
3977         if (!list_empty(&vha->work_list))
3978                 start_dpc++;
3979
3980         /* Schedule the DPC routine if needed */
3981         if ((test_bit(ISP_ABORT_NEEDED, &vha->dpc_flags) ||
3982             test_bit(LOOP_RESYNC_NEEDED, &vha->dpc_flags) ||
3983             test_bit(FCPORT_UPDATE_NEEDED, &vha->dpc_flags) ||
3984             start_dpc ||
3985             test_bit(RESET_MARKER_NEEDED, &vha->dpc_flags) ||
3986             test_bit(BEACON_BLINK_NEEDED, &vha->dpc_flags) ||
3987             test_bit(ISP_UNRECOVERABLE, &vha->dpc_flags) ||
3988             test_bit(FCOE_CTX_RESET_NEEDED, &vha->dpc_flags) ||
3989             test_bit(VP_DPC_NEEDED, &vha->dpc_flags) ||
3990             test_bit(RELOGIN_NEEDED, &vha->dpc_flags))) {
3991                 ql_dbg(ql_dbg_timer, vha, 0x600b,
3992                     "isp_abort_needed=%d loop_resync_needed=%d "
3993                     "fcport_update_needed=%d start_dpc=%d "
3994                     "reset_marker_needed=%d",
3995                     test_bit(ISP_ABORT_NEEDED, &vha->dpc_flags),
3996                     test_bit(LOOP_RESYNC_NEEDED, &vha->dpc_flags),
3997                     test_bit(FCPORT_UPDATE_NEEDED, &vha->dpc_flags),
3998                     start_dpc,
3999                     test_bit(RESET_MARKER_NEEDED, &vha->dpc_flags));
4000                 ql_dbg(ql_dbg_timer, vha, 0x600c,
4001                     "beacon_blink_needed=%d isp_unrecoverable=%d "
4002                     "fcoe_ctx_reset_needed=%d vp_dpc_needed=%d "
4003                     "relogin_needed=%d.\n",
4004                     test_bit(BEACON_BLINK_NEEDED, &vha->dpc_flags),
4005                     test_bit(ISP_UNRECOVERABLE, &vha->dpc_flags),
4006                     test_bit(FCOE_CTX_RESET_NEEDED, &vha->dpc_flags),
4007                     test_bit(VP_DPC_NEEDED, &vha->dpc_flags),
4008                     test_bit(RELOGIN_NEEDED, &vha->dpc_flags));
4009                 qla2xxx_wake_dpc(vha);
4010         }
4011
4012         qla2x00_restart_timer(vha, WATCH_INTERVAL);
4013 }
4014
4015 /* Firmware interface routines. */
4016
4017 #define FW_BLOBS        10
4018 #define FW_ISP21XX      0
4019 #define FW_ISP22XX      1
4020 #define FW_ISP2300      2
4021 #define FW_ISP2322      3
4022 #define FW_ISP24XX      4
4023 #define FW_ISP25XX      5
4024 #define FW_ISP81XX      6
4025 #define FW_ISP82XX      7
4026 #define FW_ISP2031      8
4027 #define FW_ISP8031      9
4028
4029 #define FW_FILE_ISP21XX "ql2100_fw.bin"
4030 #define FW_FILE_ISP22XX "ql2200_fw.bin"
4031 #define FW_FILE_ISP2300 "ql2300_fw.bin"
4032 #define FW_FILE_ISP2322 "ql2322_fw.bin"
4033 #define FW_FILE_ISP24XX "ql2400_fw.bin"
4034 #define FW_FILE_ISP25XX "ql2500_fw.bin"
4035 #define FW_FILE_ISP81XX "ql8100_fw.bin"
4036 #define FW_FILE_ISP82XX "ql8200_fw.bin"
4037 #define FW_FILE_ISP2031 "ql2600_fw.bin"
4038 #define FW_FILE_ISP8031 "ql8300_fw.bin"
4039
4040 static DEFINE_MUTEX(qla_fw_lock);
4041
4042 static struct fw_blob qla_fw_blobs[FW_BLOBS] = {
4043         { .name = FW_FILE_ISP21XX, .segs = { 0x1000, 0 }, },
4044         { .name = FW_FILE_ISP22XX, .segs = { 0x1000, 0 }, },
4045         { .name = FW_FILE_ISP2300, .segs = { 0x800, 0 }, },
4046         { .name = FW_FILE_ISP2322, .segs = { 0x800, 0x1c000, 0x1e000, 0 }, },
4047         { .name = FW_FILE_ISP24XX, },
4048         { .name = FW_FILE_ISP25XX, },
4049         { .name = FW_FILE_ISP81XX, },
4050         { .name = FW_FILE_ISP82XX, },
4051         { .name = FW_FILE_ISP2031, },
4052         { .name = FW_FILE_ISP8031, },
4053 };
4054
4055 struct fw_blob *
4056 qla2x00_request_firmware(scsi_qla_host_t *vha)
4057 {
4058         struct qla_hw_data *ha = vha->hw;
4059         struct fw_blob *blob;
4060
4061         if (IS_QLA2100(ha)) {
4062                 blob = &qla_fw_blobs[FW_ISP21XX];
4063         } else if (IS_QLA2200(ha)) {
4064                 blob = &qla_fw_blobs[FW_ISP22XX];
4065         } else if (IS_QLA2300(ha) || IS_QLA2312(ha) || IS_QLA6312(ha)) {
4066                 blob = &qla_fw_blobs[FW_ISP2300];
4067         } else if (IS_QLA2322(ha) || IS_QLA6322(ha)) {
4068                 blob = &qla_fw_blobs[FW_ISP2322];
4069         } else if (IS_QLA24XX_TYPE(ha)) {
4070                 blob = &qla_fw_blobs[FW_ISP24XX];
4071         } else if (IS_QLA25XX(ha)) {
4072                 blob = &qla_fw_blobs[FW_ISP25XX];
4073         } else if (IS_QLA81XX(ha)) {
4074                 blob = &qla_fw_blobs[FW_ISP81XX];
4075         } else if (IS_QLA82XX(ha)) {
4076                 blob = &qla_fw_blobs[FW_ISP82XX];
4077         } else if (IS_QLA2031(ha)) {
4078                 blob = &qla_fw_blobs[FW_ISP2031];
4079         } else if (IS_QLA8031(ha)) {
4080                 blob = &qla_fw_blobs[FW_ISP8031];
4081         } else {
4082                 return NULL;
4083         }
4084
4085         mutex_lock(&qla_fw_lock);
4086         if (blob->fw)
4087                 goto out;
4088
4089         if (request_firmware(&blob->fw, blob->name, &ha->pdev->dev)) {
4090                 ql_log(ql_log_warn, vha, 0x0063,
4091                     "Failed to load firmware image (%s).\n", blob->name);
4092                 blob->fw = NULL;
4093                 blob = NULL;
4094                 goto out;
4095         }
4096
4097 out:
4098         mutex_unlock(&qla_fw_lock);
4099         return blob;
4100 }
4101
4102 static void
4103 qla2x00_release_firmware(void)
4104 {
4105         int idx;
4106
4107         mutex_lock(&qla_fw_lock);
4108         for (idx = 0; idx < FW_BLOBS; idx++)
4109                 if (qla_fw_blobs[idx].fw)
4110                         release_firmware(qla_fw_blobs[idx].fw);
4111         mutex_unlock(&qla_fw_lock);
4112 }
4113
4114 static pci_ers_result_t
4115 qla2xxx_pci_error_detected(struct pci_dev *pdev, pci_channel_state_t state)
4116 {
4117         scsi_qla_host_t *vha = pci_get_drvdata(pdev);
4118         struct qla_hw_data *ha = vha->hw;
4119
4120         ql_dbg(ql_dbg_aer, vha, 0x9000,
4121             "PCI error detected, state %x.\n", state);
4122
4123         switch (state) {
4124         case pci_channel_io_normal:
4125                 ha->flags.eeh_busy = 0;
4126                 return PCI_ERS_RESULT_CAN_RECOVER;
4127         case pci_channel_io_frozen:
4128                 ha->flags.eeh_busy = 1;
4129                 /* For ISP82XX complete any pending mailbox cmd */
4130                 if (IS_QLA82XX(ha)) {
4131                         ha->flags.isp82xx_fw_hung = 1;
4132                         ql_dbg(ql_dbg_aer, vha, 0x9001, "Pci channel io frozen\n");
4133                         qla82xx_clear_pending_mbx(vha);
4134                 }
4135                 qla2x00_free_irqs(vha);
4136                 pci_disable_device(pdev);
4137                 /* Return back all IOs */
4138                 qla2x00_abort_all_cmds(vha, DID_RESET << 16);
4139                 return PCI_ERS_RESULT_NEED_RESET;
4140         case pci_channel_io_perm_failure:
4141                 ha->flags.pci_channel_io_perm_failure = 1;
4142                 qla2x00_abort_all_cmds(vha, DID_NO_CONNECT << 16);
4143                 return PCI_ERS_RESULT_DISCONNECT;
4144         }
4145         return PCI_ERS_RESULT_NEED_RESET;
4146 }
4147
4148 static pci_ers_result_t
4149 qla2xxx_pci_mmio_enabled(struct pci_dev *pdev)
4150 {
4151         int risc_paused = 0;
4152         uint32_t stat;
4153         unsigned long flags;
4154         scsi_qla_host_t *base_vha = pci_get_drvdata(pdev);
4155         struct qla_hw_data *ha = base_vha->hw;
4156         struct device_reg_2xxx __iomem *reg = &ha->iobase->isp;
4157         struct device_reg_24xx __iomem *reg24 = &ha->iobase->isp24;
4158
4159         if (IS_QLA82XX(ha))
4160                 return PCI_ERS_RESULT_RECOVERED;
4161
4162         spin_lock_irqsave(&ha->hardware_lock, flags);
4163         if (IS_QLA2100(ha) || IS_QLA2200(ha)){
4164                 stat = RD_REG_DWORD(&reg->hccr);
4165                 if (stat & HCCR_RISC_PAUSE)
4166                         risc_paused = 1;
4167         } else if (IS_QLA23XX(ha)) {
4168                 stat = RD_REG_DWORD(&reg->u.isp2300.host_status);
4169                 if (stat & HSR_RISC_PAUSED)
4170                         risc_paused = 1;
4171         } else if (IS_FWI2_CAPABLE(ha)) {
4172                 stat = RD_REG_DWORD(&reg24->host_status);
4173                 if (stat & HSRX_RISC_PAUSED)
4174                         risc_paused = 1;
4175         }
4176         spin_unlock_irqrestore(&ha->hardware_lock, flags);
4177
4178         if (risc_paused) {
4179                 ql_log(ql_log_info, base_vha, 0x9003,
4180                     "RISC paused -- mmio_enabled, Dumping firmware.\n");
4181                 ha->isp_ops->fw_dump(base_vha, 0);
4182
4183                 return PCI_ERS_RESULT_NEED_RESET;
4184         } else
4185                 return PCI_ERS_RESULT_RECOVERED;
4186 }
4187
4188 uint32_t qla82xx_error_recovery(scsi_qla_host_t *base_vha)
4189 {
4190         uint32_t rval = QLA_FUNCTION_FAILED;
4191         uint32_t drv_active = 0;
4192         struct qla_hw_data *ha = base_vha->hw;
4193         int fn;
4194         struct pci_dev *other_pdev = NULL;
4195
4196         ql_dbg(ql_dbg_aer, base_vha, 0x9006,
4197             "Entered %s.\n", __func__);
4198
4199         set_bit(ABORT_ISP_ACTIVE, &base_vha->dpc_flags);
4200
4201         if (base_vha->flags.online) {
4202                 /* Abort all outstanding commands,
4203                  * so as to be requeued later */
4204                 qla2x00_abort_isp_cleanup(base_vha);
4205         }
4206
4207
4208         fn = PCI_FUNC(ha->pdev->devfn);
4209         while (fn > 0) {
4210                 fn--;
4211                 ql_dbg(ql_dbg_aer, base_vha, 0x9007,
4212                     "Finding pci device at function = 0x%x.\n", fn);
4213                 other_pdev =
4214                     pci_get_domain_bus_and_slot(pci_domain_nr(ha->pdev->bus),
4215                     ha->pdev->bus->number, PCI_DEVFN(PCI_SLOT(ha->pdev->devfn),
4216                     fn));
4217
4218                 if (!other_pdev)
4219                         continue;
4220                 if (atomic_read(&other_pdev->enable_cnt)) {
4221                         ql_dbg(ql_dbg_aer, base_vha, 0x9008,
4222                             "Found PCI func available and enable at 0x%x.\n",
4223                             fn);
4224                         pci_dev_put(other_pdev);
4225                         break;
4226                 }
4227                 pci_dev_put(other_pdev);
4228         }
4229
4230         if (!fn) {
4231                 /* Reset owner */
4232                 ql_dbg(ql_dbg_aer, base_vha, 0x9009,
4233                     "This devfn is reset owner = 0x%x.\n",
4234                     ha->pdev->devfn);
4235                 qla82xx_idc_lock(ha);
4236
4237                 qla82xx_wr_32(ha, QLA82XX_CRB_DEV_STATE,
4238                     QLA82XX_DEV_INITIALIZING);
4239
4240                 qla82xx_wr_32(ha, QLA82XX_CRB_DRV_IDC_VERSION,
4241                     QLA82XX_IDC_VERSION);
4242
4243                 drv_active = qla82xx_rd_32(ha, QLA82XX_CRB_DRV_ACTIVE);
4244                 ql_dbg(ql_dbg_aer, base_vha, 0x900a,
4245                     "drv_active = 0x%x.\n", drv_active);
4246
4247                 qla82xx_idc_unlock(ha);
4248                 /* Reset if device is not already reset
4249                  * drv_active would be 0 if a reset has already been done
4250                  */
4251                 if (drv_active)
4252                         rval = qla82xx_start_firmware(base_vha);
4253                 else
4254                         rval = QLA_SUCCESS;
4255                 qla82xx_idc_lock(ha);
4256
4257                 if (rval != QLA_SUCCESS) {
4258                         ql_log(ql_log_info, base_vha, 0x900b,
4259                             "HW State: FAILED.\n");
4260                         qla82xx_clear_drv_active(ha);
4261                         qla82xx_wr_32(ha, QLA82XX_CRB_DEV_STATE,
4262                             QLA82XX_DEV_FAILED);
4263                 } else {
4264                         ql_log(ql_log_info, base_vha, 0x900c,
4265                             "HW State: READY.\n");
4266                         qla82xx_wr_32(ha, QLA82XX_CRB_DEV_STATE,
4267                             QLA82XX_DEV_READY);
4268                         qla82xx_idc_unlock(ha);
4269                         ha->flags.isp82xx_fw_hung = 0;
4270                         rval = qla82xx_restart_isp(base_vha);
4271                         qla82xx_idc_lock(ha);
4272                         /* Clear driver state register */
4273                         qla82xx_wr_32(ha, QLA82XX_CRB_DRV_STATE, 0);
4274                         qla82xx_set_drv_active(base_vha);
4275                 }
4276                 qla82xx_idc_unlock(ha);
4277         } else {
4278                 ql_dbg(ql_dbg_aer, base_vha, 0x900d,
4279                     "This devfn is not reset owner = 0x%x.\n",
4280                     ha->pdev->devfn);
4281                 if ((qla82xx_rd_32(ha, QLA82XX_CRB_DEV_STATE) ==
4282                     QLA82XX_DEV_READY)) {
4283                         ha->flags.isp82xx_fw_hung = 0;
4284                         rval = qla82xx_restart_isp(base_vha);
4285                         qla82xx_idc_lock(ha);
4286                         qla82xx_set_drv_active(base_vha);
4287                         qla82xx_idc_unlock(ha);
4288                 }
4289         }
4290         clear_bit(ABORT_ISP_ACTIVE, &base_vha->dpc_flags);
4291
4292         return rval;
4293 }
4294
4295 static pci_ers_result_t
4296 qla2xxx_pci_slot_reset(struct pci_dev *pdev)
4297 {
4298         pci_ers_result_t ret = PCI_ERS_RESULT_DISCONNECT;
4299         scsi_qla_host_t *base_vha = pci_get_drvdata(pdev);
4300         struct qla_hw_data *ha = base_vha->hw;
4301         struct rsp_que *rsp;
4302         int rc, retries = 10;
4303
4304         ql_dbg(ql_dbg_aer, base_vha, 0x9004,
4305             "Slot Reset.\n");
4306
4307         /* Workaround: qla2xxx driver which access hardware earlier
4308          * needs error state to be pci_channel_io_online.
4309          * Otherwise mailbox command timesout.
4310          */
4311         pdev->error_state = pci_channel_io_normal;
4312
4313         pci_restore_state(pdev);
4314
4315         /* pci_restore_state() clears the saved_state flag of the device
4316          * save restored state which resets saved_state flag
4317          */
4318         pci_save_state(pdev);
4319
4320         if (ha->mem_only)
4321                 rc = pci_enable_device_mem(pdev);
4322         else
4323                 rc = pci_enable_device(pdev);
4324
4325         if (rc) {
4326                 ql_log(ql_log_warn, base_vha, 0x9005,
4327                     "Can't re-enable PCI device after reset.\n");
4328                 goto exit_slot_reset;
4329         }
4330
4331         rsp = ha->rsp_q_map[0];
4332         if (qla2x00_request_irqs(ha, rsp))
4333                 goto exit_slot_reset;
4334
4335         if (ha->isp_ops->pci_config(base_vha))
4336                 goto exit_slot_reset;
4337
4338         if (IS_QLA82XX(ha)) {
4339                 if (qla82xx_error_recovery(base_vha) == QLA_SUCCESS) {
4340                         ret = PCI_ERS_RESULT_RECOVERED;
4341                         goto exit_slot_reset;
4342                 } else
4343                         goto exit_slot_reset;
4344         }
4345
4346         while (ha->flags.mbox_busy && retries--)
4347                 msleep(1000);
4348
4349         set_bit(ABORT_ISP_ACTIVE, &base_vha->dpc_flags);
4350         if (ha->isp_ops->abort_isp(base_vha) == QLA_SUCCESS)
4351                 ret =  PCI_ERS_RESULT_RECOVERED;
4352         clear_bit(ABORT_ISP_ACTIVE, &base_vha->dpc_flags);
4353
4354
4355 exit_slot_reset:
4356         ql_dbg(ql_dbg_aer, base_vha, 0x900e,
4357             "slot_reset return %x.\n", ret);
4358
4359         return ret;
4360 }
4361
4362 static void
4363 qla2xxx_pci_resume(struct pci_dev *pdev)
4364 {
4365         scsi_qla_host_t *base_vha = pci_get_drvdata(pdev);
4366         struct qla_hw_data *ha = base_vha->hw;
4367         int ret;
4368
4369         ql_dbg(ql_dbg_aer, base_vha, 0x900f,
4370             "pci_resume.\n");
4371
4372         ret = qla2x00_wait_for_hba_online(base_vha);
4373         if (ret != QLA_SUCCESS) {
4374                 ql_log(ql_log_fatal, base_vha, 0x9002,
4375                     "The device failed to resume I/O from slot/link_reset.\n");
4376         }
4377
4378         pci_cleanup_aer_uncorrect_error_status(pdev);
4379
4380         ha->flags.eeh_busy = 0;
4381 }
4382
4383 static struct pci_error_handlers qla2xxx_err_handler = {
4384         .error_detected = qla2xxx_pci_error_detected,
4385         .mmio_enabled = qla2xxx_pci_mmio_enabled,
4386         .slot_reset = qla2xxx_pci_slot_reset,
4387         .resume = qla2xxx_pci_resume,
4388 };
4389
4390 static struct pci_device_id qla2xxx_pci_tbl[] = {
4391         { PCI_DEVICE(PCI_VENDOR_ID_QLOGIC, PCI_DEVICE_ID_QLOGIC_ISP2100) },
4392         { PCI_DEVICE(PCI_VENDOR_ID_QLOGIC, PCI_DEVICE_ID_QLOGIC_ISP2200) },
4393         { PCI_DEVICE(PCI_VENDOR_ID_QLOGIC, PCI_DEVICE_ID_QLOGIC_ISP2300) },
4394         { PCI_DEVICE(PCI_VENDOR_ID_QLOGIC, PCI_DEVICE_ID_QLOGIC_ISP2312) },
4395         { PCI_DEVICE(PCI_VENDOR_ID_QLOGIC, PCI_DEVICE_ID_QLOGIC_ISP2322) },
4396         { PCI_DEVICE(PCI_VENDOR_ID_QLOGIC, PCI_DEVICE_ID_QLOGIC_ISP6312) },
4397         { PCI_DEVICE(PCI_VENDOR_ID_QLOGIC, PCI_DEVICE_ID_QLOGIC_ISP6322) },
4398         { PCI_DEVICE(PCI_VENDOR_ID_QLOGIC, PCI_DEVICE_ID_QLOGIC_ISP2422) },
4399         { PCI_DEVICE(PCI_VENDOR_ID_QLOGIC, PCI_DEVICE_ID_QLOGIC_ISP2432) },
4400         { PCI_DEVICE(PCI_VENDOR_ID_QLOGIC, PCI_DEVICE_ID_QLOGIC_ISP8432) },
4401         { PCI_DEVICE(PCI_VENDOR_ID_QLOGIC, PCI_DEVICE_ID_QLOGIC_ISP5422) },
4402         { PCI_DEVICE(PCI_VENDOR_ID_QLOGIC, PCI_DEVICE_ID_QLOGIC_ISP5432) },
4403         { PCI_DEVICE(PCI_VENDOR_ID_QLOGIC, PCI_DEVICE_ID_QLOGIC_ISP2532) },
4404         { PCI_DEVICE(PCI_VENDOR_ID_QLOGIC, PCI_DEVICE_ID_QLOGIC_ISP2031) },
4405         { PCI_DEVICE(PCI_VENDOR_ID_QLOGIC, PCI_DEVICE_ID_QLOGIC_ISP8001) },
4406         { PCI_DEVICE(PCI_VENDOR_ID_QLOGIC, PCI_DEVICE_ID_QLOGIC_ISP8021) },
4407         { 0 },
4408 };
4409 MODULE_DEVICE_TABLE(pci, qla2xxx_pci_tbl);
4410
4411 static struct pci_driver qla2xxx_pci_driver = {
4412         .name           = QLA2XXX_DRIVER_NAME,
4413         .driver         = {
4414                 .owner          = THIS_MODULE,
4415         },
4416         .id_table       = qla2xxx_pci_tbl,
4417         .probe          = qla2x00_probe_one,
4418         .remove         = qla2x00_remove_one,
4419         .shutdown       = qla2x00_shutdown,
4420         .err_handler    = &qla2xxx_err_handler,
4421 };
4422
4423 static struct file_operations apidev_fops = {
4424         .owner = THIS_MODULE,
4425         .llseek = noop_llseek,
4426 };
4427
4428 /**
4429  * qla2x00_module_init - Module initialization.
4430  **/
4431 static int __init
4432 qla2x00_module_init(void)
4433 {
4434         int ret = 0;
4435
4436         /* Allocate cache for SRBs. */
4437         srb_cachep = kmem_cache_create("qla2xxx_srbs", sizeof(srb_t), 0,
4438             SLAB_HWCACHE_ALIGN, NULL);
4439         if (srb_cachep == NULL) {
4440                 ql_log(ql_log_fatal, NULL, 0x0001,
4441                     "Unable to allocate SRB cache...Failing load!.\n");
4442                 return -ENOMEM;
4443         }
4444
4445         /* Derive version string. */
4446         strcpy(qla2x00_version_str, QLA2XXX_VERSION);
4447         if (ql2xextended_error_logging)
4448                 strcat(qla2x00_version_str, "-debug");
4449
4450         qla2xxx_transport_template =
4451             fc_attach_transport(&qla2xxx_transport_functions);
4452         if (!qla2xxx_transport_template) {
4453                 kmem_cache_destroy(srb_cachep);
4454                 ql_log(ql_log_fatal, NULL, 0x0002,
4455                     "fc_attach_transport failed...Failing load!.\n");
4456                 return -ENODEV;
4457         }
4458
4459         apidev_major = register_chrdev(0, QLA2XXX_APIDEV, &apidev_fops);
4460         if (apidev_major < 0) {
4461                 ql_log(ql_log_fatal, NULL, 0x0003,
4462                     "Unable to register char device %s.\n", QLA2XXX_APIDEV);
4463         }
4464
4465         qla2xxx_transport_vport_template =
4466             fc_attach_transport(&qla2xxx_transport_vport_functions);
4467         if (!qla2xxx_transport_vport_template) {
4468                 kmem_cache_destroy(srb_cachep);
4469                 fc_release_transport(qla2xxx_transport_template);
4470                 ql_log(ql_log_fatal, NULL, 0x0004,
4471                     "fc_attach_transport vport failed...Failing load!.\n");
4472                 return -ENODEV;
4473         }
4474         ql_log(ql_log_info, NULL, 0x0005,
4475             "QLogic Fibre Channel HBA Driver: %s.\n",
4476             qla2x00_version_str);
4477         ret = pci_register_driver(&qla2xxx_pci_driver);
4478         if (ret) {
4479                 kmem_cache_destroy(srb_cachep);
4480                 fc_release_transport(qla2xxx_transport_template);
4481                 fc_release_transport(qla2xxx_transport_vport_template);
4482                 ql_log(ql_log_fatal, NULL, 0x0006,
4483                     "pci_register_driver failed...ret=%d Failing load!.\n",
4484                     ret);
4485         }
4486         return ret;
4487 }
4488
4489 /**
4490  * qla2x00_module_exit - Module cleanup.
4491  **/
4492 static void __exit
4493 qla2x00_module_exit(void)
4494 {
4495         unregister_chrdev(apidev_major, QLA2XXX_APIDEV);
4496         pci_unregister_driver(&qla2xxx_pci_driver);
4497         qla2x00_release_firmware();
4498         kmem_cache_destroy(srb_cachep);
4499         if (ctx_cachep)
4500                 kmem_cache_destroy(ctx_cachep);
4501         fc_release_transport(qla2xxx_transport_template);
4502         fc_release_transport(qla2xxx_transport_vport_template);
4503 }
4504
4505 module_init(qla2x00_module_init);
4506 module_exit(qla2x00_module_exit);
4507
4508 MODULE_AUTHOR("QLogic Corporation");
4509 MODULE_DESCRIPTION("QLogic Fibre Channel HBA Driver");
4510 MODULE_LICENSE("GPL");
4511 MODULE_VERSION(QLA2XXX_VERSION);
4512 MODULE_FIRMWARE(FW_FILE_ISP21XX);
4513 MODULE_FIRMWARE(FW_FILE_ISP22XX);
4514 MODULE_FIRMWARE(FW_FILE_ISP2300);
4515 MODULE_FIRMWARE(FW_FILE_ISP2322);
4516 MODULE_FIRMWARE(FW_FILE_ISP24XX);
4517 MODULE_FIRMWARE(FW_FILE_ISP25XX);