drivers/scsi/qla2xxx/qla_os.c

   1 /*
   2  * QLogic Fibre Channel HBA Driver
   3  * Copyright (c)  2003-2014 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 #include <scsi/scsi_tcq.h>
  17 #include <scsi/scsicam.h>
  18 #include <scsi/scsi_transport.h>
  19 #include <scsi/scsi_transport_fc.h>
  20
  21 #include "qla_target.h"
  22
  23 /*
  24  * Driver version
  25  */
  26 char qla2x00_version_str[40];
  27
  28 static int apidev_major;
  29
  30 /*
  31  * SRB allocation cache
  32  */
  33 static struct kmem_cache *srb_cachep;
  34
  35 /*
  36  * CT6 CTX allocation cache
  37  */
  38 static struct kmem_cache *ctx_cachep;
  39 /*
  40  * error level for logging
  41  */
  42 int ql_errlev = ql_log_all;
  43
  44 static int ql2xenableclass2;
  45 module_param(ql2xenableclass2, int, S_IRUGO|S_IRUSR);
  46 MODULE_PARM_DESC(ql2xenableclass2,
  47                 "Specify if Class 2 operations are supported from the very "
  48                 "beginning. Default is 0 - class 2 not supported.");
  49
  50
  51 int ql2xlogintimeout = 20;
  52 module_param(ql2xlogintimeout, int, S_IRUGO);
  53 MODULE_PARM_DESC(ql2xlogintimeout,
  54                 "Login timeout value in seconds.");
  55
  56 int qlport_down_retry;
  57 module_param(qlport_down_retry, int, S_IRUGO);
  58 MODULE_PARM_DESC(qlport_down_retry,
  59                 "Maximum number of command retries to a port that returns "
  60                 "a PORT-DOWN status.");
  61
  62 int ql2xplogiabsentdevice;
  63 module_param(ql2xplogiabsentdevice, int, S_IRUGO|S_IWUSR);
  64 MODULE_PARM_DESC(ql2xplogiabsentdevice,
  65                 "Option to enable PLOGI to devices that are not present after "
  66                 "a Fabric scan.  This is needed for several broken switches. "
  67                 "Default is 0 - no PLOGI. 1 - perfom PLOGI.");
  68
  69 int ql2xloginretrycount = 0;
  70 module_param(ql2xloginretrycount, int, S_IRUGO);
  71 MODULE_PARM_DESC(ql2xloginretrycount,
  72                 "Specify an alternate value for the NVRAM login retry count.");
  73
  74 int ql2xallocfwdump = 1;
  75 module_param(ql2xallocfwdump, int, S_IRUGO);
  76 MODULE_PARM_DESC(ql2xallocfwdump,
  77                 "Option to enable allocation of memory for a firmware dump "
  78                 "during HBA initialization.  Memory allocation requirements "
  79                 "vary by ISP type.  Default is 1 - allocate memory.");
  80
  81 int ql2xextended_error_logging;
  82 module_param(ql2xextended_error_logging, int, S_IRUGO|S_IWUSR);
  83 MODULE_PARM_DESC(ql2xextended_error_logging,
  84                 "Option to enable extended error logging,\n"
  85                 "\t\tDefault is 0 - no logging.  0x40000000 - Module Init & Probe.\n"
  86                 "\t\t0x20000000 - Mailbox Cmnds. 0x10000000 - Device Discovery.\n"
  87                 "\t\t0x08000000 - IO tracing.    0x04000000 - DPC Thread.\n"
  88                 "\t\t0x02000000 - Async events.  0x01000000 - Timer routines.\n"
  89                 "\t\t0x00800000 - User space.    0x00400000 - Task Management.\n"
  90                 "\t\t0x00200000 - AER/EEH.       0x00100000 - Multi Q.\n"
  91                 "\t\t0x00080000 - P3P Specific.  0x00040000 - Virtual Port.\n"
  92                 "\t\t0x00020000 - Buffer Dump.   0x00010000 - Misc.\n"
  93                 "\t\t0x00008000 - Verbose.       0x00004000 - Target.\n"
  94                 "\t\t0x00002000 - Target Mgmt.   0x00001000 - Target TMF.\n"
  95                 "\t\t0x7fffffff - For enabling all logs, can be too many logs.\n"
  96                 "\t\t0x1e400000 - Preferred value for capturing essential "
  97                 "debug information (equivalent to old "
  98                 "ql2xextended_error_logging=1).\n"
  99                 "\t\tDo LOGICAL OR of the value to enable more than one level");
 100
 101 int ql2xshiftctondsd = 6;
 102 module_param(ql2xshiftctondsd, int, S_IRUGO);
 103 MODULE_PARM_DESC(ql2xshiftctondsd,
 104                 "Set to control shifting of command type processing "
 105                 "based on total number of SG elements.");
 106
 107 int ql2xfdmienable=1;
 108 module_param(ql2xfdmienable, int, S_IRUGO|S_IWUSR);
 109 MODULE_PARM_DESC(ql2xfdmienable,
 110                 "Enables FDMI registrations. "
 111                 "0 - no FDMI. Default is 1 - perform FDMI.");
 112
 113 #define MAX_Q_DEPTH     32
 114 static int ql2xmaxqdepth = MAX_Q_DEPTH;
 115 module_param(ql2xmaxqdepth, int, S_IRUGO|S_IWUSR);
 116 MODULE_PARM_DESC(ql2xmaxqdepth,
 117                 "Maximum queue depth to set for each LUN. "
 118                 "Default is 32.");
 119
 120 int ql2xenabledif = 2;
 121 module_param(ql2xenabledif, int, S_IRUGO);
 122 MODULE_PARM_DESC(ql2xenabledif,
 123                 " Enable T10-CRC-DIF:\n"
 124                 " Default is 2.\n"
 125                 "  0 -- No DIF Support\n"
 126                 "  1 -- Enable DIF for all types\n"
 127                 "  2 -- Enable DIF for all types, except Type 0.\n");
 128
 129 int ql2xenablehba_err_chk = 2;
 130 module_param(ql2xenablehba_err_chk, int, S_IRUGO|S_IWUSR);
 131 MODULE_PARM_DESC(ql2xenablehba_err_chk,
 132                 " Enable T10-CRC-DIF Error isolation by HBA:\n"
 133                 " Default is 2.\n"
 134                 "  0 -- Error isolation disabled\n"
 135                 "  1 -- Error isolation enabled only for DIX Type 0\n"
 136                 "  2 -- Error isolation enabled for all Types\n");
 137
 138 int ql2xiidmaenable=1;
 139 module_param(ql2xiidmaenable, int, S_IRUGO);
 140 MODULE_PARM_DESC(ql2xiidmaenable,
 141                 "Enables iIDMA settings "
 142                 "Default is 1 - perform iIDMA. 0 - no iIDMA.");
 143
 144 int ql2xmaxqueues = 1;
 145 module_param(ql2xmaxqueues, int, S_IRUGO);
 146 MODULE_PARM_DESC(ql2xmaxqueues,
 147                 "Enables MQ settings "
 148                 "Default is 1 for single queue. Set it to number "
 149                 "of queues in MQ mode.");
 150
 151 int ql2xmultique_tag;
 152 module_param(ql2xmultique_tag, int, S_IRUGO);
 153 MODULE_PARM_DESC(ql2xmultique_tag,
 154                 "Enables CPU affinity settings for the driver "
 155                 "Default is 0 for no affinity of request and response IO. "
 156                 "Set it to 1 to turn on the cpu affinity.");
 157
 158 int ql2xfwloadbin;
 159 module_param(ql2xfwloadbin, int, S_IRUGO|S_IWUSR);
 160 MODULE_PARM_DESC(ql2xfwloadbin,
 161                 "Option to specify location from which to load ISP firmware:.\n"
 162                 " 2 -- load firmware via the request_firmware() (hotplug).\n"
 163                 "      interface.\n"
 164                 " 1 -- load firmware from flash.\n"
 165                 " 0 -- use default semantics.\n");
 166
 167 int ql2xetsenable;
 168 module_param(ql2xetsenable, int, S_IRUGO);
 169 MODULE_PARM_DESC(ql2xetsenable,
 170                 "Enables firmware ETS burst."
 171                 "Default is 0 - skip ETS enablement.");
 172
 173 int ql2xdbwr = 1;
 174 module_param(ql2xdbwr, int, S_IRUGO|S_IWUSR);
 175 MODULE_PARM_DESC(ql2xdbwr,
 176                 "Option to specify scheme for request queue posting.\n"
 177                 " 0 -- Regular doorbell.\n"
 178                 " 1 -- CAMRAM doorbell (faster).\n");
 179
 180 int ql2xtargetreset = 1;
 181 module_param(ql2xtargetreset, int, S_IRUGO);
 182 MODULE_PARM_DESC(ql2xtargetreset,
 183                  "Enable target reset."
 184                  "Default is 1 - use hw defaults.");
 185
 186 int ql2xgffidenable;
 187 module_param(ql2xgffidenable, int, S_IRUGO);
 188 MODULE_PARM_DESC(ql2xgffidenable,
 189                 "Enables GFF_ID checks of port type. "
 190                 "Default is 0 - Do not use GFF_ID information.");
 191
 192 int ql2xasynctmfenable;
 193 module_param(ql2xasynctmfenable, int, S_IRUGO);
 194 MODULE_PARM_DESC(ql2xasynctmfenable,
 195                 "Enables issue of TM IOCBs asynchronously via IOCB mechanism"
 196                 "Default is 0 - Issue TM IOCBs via mailbox mechanism.");
 197
 198 int ql2xdontresethba;
 199 module_param(ql2xdontresethba, int, S_IRUGO|S_IWUSR);
 200 MODULE_PARM_DESC(ql2xdontresethba,
 201                 "Option to specify reset behaviour.\n"
 202                 " 0 (Default) -- Reset on failure.\n"
 203                 " 1 -- Do not reset on failure.\n");
 204
 205 uint64_t ql2xmaxlun = MAX_LUNS;
 206 module_param(ql2xmaxlun, ullong, S_IRUGO);
 207 MODULE_PARM_DESC(ql2xmaxlun,
 208                 "Defines the maximum LU number to register with the SCSI "
 209                 "midlayer. Default is 65535.");
 210
 211 int ql2xmdcapmask = 0x1F;
 212 module_param(ql2xmdcapmask, int, S_IRUGO);
 213 MODULE_PARM_DESC(ql2xmdcapmask,
 214                 "Set the Minidump driver capture mask level. "
 215                 "Default is 0x1F - Can be set to 0x3, 0x7, 0xF, 0x1F, 0x7F.");
 216
 217 int ql2xmdenable = 1;
 218 module_param(ql2xmdenable, int, S_IRUGO);
 219 MODULE_PARM_DESC(ql2xmdenable,
 220                 "Enable/disable MiniDump. "
 221                 "0 - MiniDump disabled. "
 222                 "1 (Default) - MiniDump enabled.");
 223
 224 /*
 225  * SCSI host template entry points
 226  */
 227 static int qla2xxx_slave_configure(struct scsi_device * device);
 228 static int qla2xxx_slave_alloc(struct scsi_device *);
 229 static int qla2xxx_scan_finished(struct Scsi_Host *, unsigned long time);
 230 static void qla2xxx_scan_start(struct Scsi_Host *);
 231 static void qla2xxx_slave_destroy(struct scsi_device *);
 232 static int qla2xxx_queuecommand(struct Scsi_Host *h, struct scsi_cmnd *cmd);
 233 static int qla2xxx_eh_abort(struct scsi_cmnd *);
 234 static int qla2xxx_eh_device_reset(struct scsi_cmnd *);
 235 static int qla2xxx_eh_target_reset(struct scsi_cmnd *);
 236 static int qla2xxx_eh_bus_reset(struct scsi_cmnd *);
 237 static int qla2xxx_eh_host_reset(struct scsi_cmnd *);
 238
 239 static void qla2x00_clear_drv_active(struct qla_hw_data *);
 240 static void qla2x00_free_device(scsi_qla_host_t *);
 241 static void qla83xx_disable_laser(scsi_qla_host_t *vha);
 242
 243 struct scsi_host_template qla2xxx_driver_template = {
 244         .module                 = THIS_MODULE,
 245         .name                   = QLA2XXX_DRIVER_NAME,
 246         .queuecommand           = qla2xxx_queuecommand,
 247
 248         .eh_abort_handler       = qla2xxx_eh_abort,
 249         .eh_device_reset_handler = qla2xxx_eh_device_reset,
 250         .eh_target_reset_handler = qla2xxx_eh_target_reset,
 251         .eh_bus_reset_handler   = qla2xxx_eh_bus_reset,
 252         .eh_host_reset_handler  = qla2xxx_eh_host_reset,
 253
 254         .slave_configure        = qla2xxx_slave_configure,
 255
 256         .slave_alloc            = qla2xxx_slave_alloc,
 257         .slave_destroy          = qla2xxx_slave_destroy,
 258         .scan_finished          = qla2xxx_scan_finished,
 259         .scan_start             = qla2xxx_scan_start,
 260         .change_queue_depth     = scsi_change_queue_depth,
 261         .this_id                = -1,
 262         .cmd_per_lun            = 3,
 263         .use_clustering         = ENABLE_CLUSTERING,
 264         .sg_tablesize           = SG_ALL,
 265
 266         .max_sectors            = 0xFFFF,
 267         .shost_attrs            = qla2x00_host_attrs,
 268
 269         .supported_mode         = MODE_INITIATOR,
 270         .use_blk_tags           = 1,
 271         .track_queue_depth      = 1,
 272 };
 273
 274 static struct scsi_transport_template *qla2xxx_transport_template = NULL;
 275 struct scsi_transport_template *qla2xxx_transport_vport_template = NULL;
 276
 277 /* TODO Convert to inlines
 278  *
 279  * Timer routines
 280  */
 281
 282 __inline__ void
 283 qla2x00_start_timer(scsi_qla_host_t *vha, void *func, unsigned long interval)
 284 {
 285         init_timer(&vha->timer);
 286         vha->timer.expires = jiffies + interval * HZ;
 287         vha->timer.data = (unsigned long)vha;
 288         vha->timer.function = (void (*)(unsigned long))func;
 289         add_timer(&vha->timer);
 290         vha->timer_active = 1;
 291 }
 292
 293 static inline void
 294 qla2x00_restart_timer(scsi_qla_host_t *vha, unsigned long interval)
 295 {
 296         /* Currently used for 82XX only. */
 297         if (vha->device_flags & DFLG_DEV_FAILED) {
 298                 ql_dbg(ql_dbg_timer, vha, 0x600d,
 299                     "Device in a failed state, returning.\n");
 300                 return;
 301         }
 302
 303         mod_timer(&vha->timer, jiffies + interval * HZ);
 304 }
 305
 306 static __inline__ void
 307 qla2x00_stop_timer(scsi_qla_host_t *vha)
 308 {
 309         del_timer_sync(&vha->timer);
 310         vha->timer_active = 0;
 311 }
 312
 313 static int qla2x00_do_dpc(void *data);
 314
 315 static void qla2x00_rst_aen(scsi_qla_host_t *);
 316
 317 static int qla2x00_mem_alloc(struct qla_hw_data *, uint16_t, uint16_t,
 318         struct req_que **, struct rsp_que **);
 319 static void qla2x00_free_fw_dump(struct qla_hw_data *);
 320 static void qla2x00_mem_free(struct qla_hw_data *);
 321
 322 /* -------------------------------------------------------------------------- */
 323 static int qla2x00_alloc_queues(struct qla_hw_data *ha, struct req_que *req,
 324                                 struct rsp_que *rsp)
 325 {
 326         scsi_qla_host_t *vha = pci_get_drvdata(ha->pdev);
 327         ha->req_q_map = kzalloc(sizeof(struct req_que *) * ha->max_req_queues,
 328                                 GFP_KERNEL);
 329         if (!ha->req_q_map) {
 330                 ql_log(ql_log_fatal, vha, 0x003b,
 331                     "Unable to allocate memory for request queue ptrs.\n");
 332                 goto fail_req_map;
 333         }
 334
 335         ha->rsp_q_map = kzalloc(sizeof(struct rsp_que *) * ha->max_rsp_queues,
 336                                 GFP_KERNEL);
 337         if (!ha->rsp_q_map) {
 338                 ql_log(ql_log_fatal, vha, 0x003c,
 339                     "Unable to allocate memory for response queue ptrs.\n");
 340                 goto fail_rsp_map;
 341         }
 342         /*
 343          * Make sure we record at least the request and response queue zero in
 344          * case we need to free them if part of the probe fails.
 345          */
 346         ha->rsp_q_map[0] = rsp;
 347         ha->req_q_map[0] = req;
 348         set_bit(0, ha->rsp_qid_map);
 349         set_bit(0, ha->req_qid_map);
 350         return 1;
 351
 352 fail_rsp_map:
 353         kfree(ha->req_q_map);
 354         ha->req_q_map = NULL;
 355 fail_req_map:
 356         return -ENOMEM;
 357 }
 358
 359 static void qla2x00_free_req_que(struct qla_hw_data *ha, struct req_que *req)
 360 {
 361         if (IS_QLAFX00(ha)) {
 362                 if (req && req->ring_fx00)
 363                         dma_free_coherent(&ha->pdev->dev,
 364                             (req->length_fx00 + 1) * sizeof(request_t),
 365                             req->ring_fx00, req->dma_fx00);
 366         } else if (req && req->ring)
 367                 dma_free_coherent(&ha->pdev->dev,
 368                 (req->length + 1) * sizeof(request_t),
 369                 req->ring, req->dma);
 370
 371         if (req)
 372                 kfree(req->outstanding_cmds);
 373
 374         kfree(req);
 375         req = NULL;
 376 }
 377
 378 static void qla2x00_free_rsp_que(struct qla_hw_data *ha, struct rsp_que *rsp)
 379 {
 380         if (IS_QLAFX00(ha)) {
 381                 if (rsp && rsp->ring)
 382                         dma_free_coherent(&ha->pdev->dev,
 383                             (rsp->length_fx00 + 1) * sizeof(request_t),
 384                             rsp->ring_fx00, rsp->dma_fx00);
 385         } else if (rsp && rsp->ring) {
 386                 dma_free_coherent(&ha->pdev->dev,
 387                 (rsp->length + 1) * sizeof(response_t),
 388                 rsp->ring, rsp->dma);
 389         }
 390         kfree(rsp);
 391         rsp = NULL;
 392 }
 393
 394 static void qla2x00_free_queues(struct qla_hw_data *ha)
 395 {
 396         struct req_que *req;
 397         struct rsp_que *rsp;
 398         int cnt;
 399
 400         for (cnt = 0; cnt < ha->max_req_queues; cnt++) {
 401                 req = ha->req_q_map[cnt];
 402                 qla2x00_free_req_que(ha, req);
 403         }
 404         kfree(ha->req_q_map);
 405         ha->req_q_map = NULL;
 406
 407         for (cnt = 0; cnt < ha->max_rsp_queues; cnt++) {
 408                 rsp = ha->rsp_q_map[cnt];
 409                 qla2x00_free_rsp_que(ha, rsp);
 410         }
 411         kfree(ha->rsp_q_map);
 412         ha->rsp_q_map = NULL;
 413 }
 414
 415 static int qla25xx_setup_mode(struct scsi_qla_host *vha)
 416 {
 417         uint16_t options = 0;
 418         int ques, req, ret;
 419         struct qla_hw_data *ha = vha->hw;
 420
 421         if (!(ha->fw_attributes & BIT_6)) {
 422                 ql_log(ql_log_warn, vha, 0x00d8,
 423                     "Firmware is not multi-queue capable.\n");
 424                 goto fail;
 425         }
 426         if (ql2xmultique_tag) {
 427                 /* create a request queue for IO */
 428                 options |= BIT_7;
 429                 req = qla25xx_create_req_que(ha, options, 0, 0, -1,
 430                         QLA_DEFAULT_QUE_QOS);
 431                 if (!req) {
 432                         ql_log(ql_log_warn, vha, 0x00e0,
 433                             "Failed to create request queue.\n");
 434                         goto fail;
 435                 }
 436                 ha->wq = alloc_workqueue("qla2xxx_wq", WQ_MEM_RECLAIM, 1);
 437                 vha->req = ha->req_q_map[req];
 438                 options |= BIT_1;
 439                 for (ques = 1; ques < ha->max_rsp_queues; ques++) {
 440                         ret = qla25xx_create_rsp_que(ha, options, 0, 0, req);
 441                         if (!ret) {
 442                                 ql_log(ql_log_warn, vha, 0x00e8,
 443                                     "Failed to create response queue.\n");
 444                                 goto fail2;
 445                         }
 446                 }
 447                 ha->flags.cpu_affinity_enabled = 1;
 448                 ql_dbg(ql_dbg_multiq, vha, 0xc007,
 449                     "CPU affinity mode enabled, "
 450                     "no. of response queues:%d no. of request queues:%d.\n",
 451                     ha->max_rsp_queues, ha->max_req_queues);
 452                 ql_dbg(ql_dbg_init, vha, 0x00e9,
 453                     "CPU affinity mode enabled, "
 454                     "no. of response queues:%d no. of request queues:%d.\n",
 455                     ha->max_rsp_queues, ha->max_req_queues);
 456         }
 457         return 0;
 458 fail2:
 459         qla25xx_delete_queues(vha);
 460         destroy_workqueue(ha->wq);
 461         ha->wq = NULL;
 462         vha->req = ha->req_q_map[0];
 463 fail:
 464         ha->mqenable = 0;
 465         kfree(ha->req_q_map);
 466         kfree(ha->rsp_q_map);
 467         ha->max_req_queues = ha->max_rsp_queues = 1;
 468         return 1;
 469 }
 470
 471 static char *
 472 qla2x00_pci_info_str(struct scsi_qla_host *vha, char *str)
 473 {
 474         struct qla_hw_data *ha = vha->hw;
 475         static char *pci_bus_modes[] = {
 476                 "33", "66", "100", "133",
 477         };
 478         uint16_t pci_bus;
 479
 480         strcpy(str, "PCI");
 481         pci_bus = (ha->pci_attr & (BIT_9 | BIT_10)) >> 9;
 482         if (pci_bus) {
 483                 strcat(str, "-X (");
 484                 strcat(str, pci_bus_modes[pci_bus]);
 485         } else {
 486                 pci_bus = (ha->pci_attr & BIT_8) >> 8;
 487                 strcat(str, " (");
 488                 strcat(str, pci_bus_modes[pci_bus]);
 489         }
 490         strcat(str, " MHz)");
 491
 492         return (str);
 493 }
 494
 495 static char *
 496 qla24xx_pci_info_str(struct scsi_qla_host *vha, char *str)
 497 {
 498         static char *pci_bus_modes[] = { "33", "66", "100", "133", };
 499         struct qla_hw_data *ha = vha->hw;
 500         uint32_t pci_bus;
 501
 502         if (pci_is_pcie(ha->pdev)) {
 503                 char lwstr[6];
 504                 uint32_t lstat, lspeed, lwidth;
 505
 506                 pcie_capability_read_dword(ha->pdev, PCI_EXP_LNKCAP, &lstat);
 507                 lspeed = lstat & PCI_EXP_LNKCAP_SLS;
 508                 lwidth = (lstat & PCI_EXP_LNKCAP_MLW) >> 4;
 509
 510                 strcpy(str, "PCIe (");
 511                 switch (lspeed) {
 512                 case 1:
 513                         strcat(str, "2.5GT/s ");
 514                         break;
 515                 case 2:
 516                         strcat(str, "5.0GT/s ");
 517                         break;
 518                 case 3:
 519                         strcat(str, "8.0GT/s ");
 520                         break;
 521                 default:
 522                         strcat(str, "<unknown> ");
 523                         break;
 524                 }
 525                 snprintf(lwstr, sizeof(lwstr), "x%d)", lwidth);
 526                 strcat(str, lwstr);
 527
 528                 return str;
 529         }
 530
 531         strcpy(str, "PCI");
 532         pci_bus = (ha->pci_attr & CSRX_PCIX_BUS_MODE_MASK) >> 8;
 533         if (pci_bus == 0 || pci_bus == 8) {
 534                 strcat(str, " (");
 535                 strcat(str, pci_bus_modes[pci_bus >> 3]);
 536         } else {
 537                 strcat(str, "-X ");
 538                 if (pci_bus & BIT_2)
 539                         strcat(str, "Mode 2");
 540                 else
 541                         strcat(str, "Mode 1");
 542                 strcat(str, " (");
 543                 strcat(str, pci_bus_modes[pci_bus & ~BIT_2]);
 544         }
 545         strcat(str, " MHz)");
 546
 547         return str;
 548 }
 549
 550 static char *
 551 qla2x00_fw_version_str(struct scsi_qla_host *vha, char *str, size_t size)
 552 {
 553         char un_str[10];
 554         struct qla_hw_data *ha = vha->hw;
 555
 556         snprintf(str, size, "%d.%02d.%02d ", ha->fw_major_version,
 557             ha->fw_minor_version, ha->fw_subminor_version);
 558
 559         if (ha->fw_attributes & BIT_9) {
 560                 strcat(str, "FLX");
 561                 return (str);
 562         }
 563
 564         switch (ha->fw_attributes & 0xFF) {
 565         case 0x7:
 566                 strcat(str, "EF");
 567                 break;
 568         case 0x17:
 569                 strcat(str, "TP");
 570                 break;
 571         case 0x37:
 572                 strcat(str, "IP");
 573                 break;
 574         case 0x77:
 575                 strcat(str, "VI");
 576                 break;
 577         default:
 578                 sprintf(un_str, "(%x)", ha->fw_attributes);
 579                 strcat(str, un_str);
 580                 break;
 581         }
 582         if (ha->fw_attributes & 0x100)
 583                 strcat(str, "X");
 584
 585         return (str);
 586 }
 587
 588 static char *
 589 qla24xx_fw_version_str(struct scsi_qla_host *vha, char *str, size_t size)
 590 {
 591         struct qla_hw_data *ha = vha->hw;
 592
 593         snprintf(str, size, "%d.%02d.%02d (%x)", ha->fw_major_version,
 594             ha->fw_minor_version, ha->fw_subminor_version, ha->fw_attributes);
 595         return str;
 596 }
 597
 598 void
 599 qla2x00_sp_free_dma(void *vha, void *ptr)
 600 {
 601         srb_t *sp = (srb_t *)ptr;
 602         struct scsi_cmnd *cmd = GET_CMD_SP(sp);
 603         struct qla_hw_data *ha = sp->fcport->vha->hw;
 604         void *ctx = GET_CMD_CTX_SP(sp);
 605
 606         if (sp->flags & SRB_DMA_VALID) {
 607                 scsi_dma_unmap(cmd);
 608                 sp->flags &= ~SRB_DMA_VALID;
 609         }
 610
 611         if (sp->flags & SRB_CRC_PROT_DMA_VALID) {
 612                 dma_unmap_sg(&ha->pdev->dev, scsi_prot_sglist(cmd),
 613                     scsi_prot_sg_count(cmd), cmd->sc_data_direction);
 614                 sp->flags &= ~SRB_CRC_PROT_DMA_VALID;
 615         }
 616
 617         if (sp->flags & SRB_CRC_CTX_DSD_VALID) {
 618                 /* List assured to be having elements */
 619                 qla2x00_clean_dsd_pool(ha, sp, NULL);
 620                 sp->flags &= ~SRB_CRC_CTX_DSD_VALID;
 621         }
 622
 623         if (sp->flags & SRB_CRC_CTX_DMA_VALID) {
 624                 dma_pool_free(ha->dl_dma_pool, ctx,
 625                     ((struct crc_context *)ctx)->crc_ctx_dma);
 626                 sp->flags &= ~SRB_CRC_CTX_DMA_VALID;
 627         }
 628
 629         if (sp->flags & SRB_FCP_CMND_DMA_VALID) {
 630                 struct ct6_dsd *ctx1 = (struct ct6_dsd *)ctx;
 631
 632                 dma_pool_free(ha->fcp_cmnd_dma_pool, ctx1->fcp_cmnd,
 633                         ctx1->fcp_cmnd_dma);
 634                 list_splice(&ctx1->dsd_list, &ha->gbl_dsd_list);
 635                 ha->gbl_dsd_inuse -= ctx1->dsd_use_cnt;
 636                 ha->gbl_dsd_avail += ctx1->dsd_use_cnt;
 637                 mempool_free(ctx1, ha->ctx_mempool);
 638                 ctx1 = NULL;
 639         }
 640
 641         CMD_SP(cmd) = NULL;
 642         qla2x00_rel_sp(sp->fcport->vha, sp);
 643 }
 644
 645 static void
 646 qla2x00_sp_compl(void *data, void *ptr, int res)
 647 {
 648         struct qla_hw_data *ha = (struct qla_hw_data *)data;
 649         srb_t *sp = (srb_t *)ptr;
 650         struct scsi_cmnd *cmd = GET_CMD_SP(sp);
 651
 652         cmd->result = res;
 653
 654         if (atomic_read(&sp->ref_count) == 0) {
 655                 ql_dbg(ql_dbg_io, sp->fcport->vha, 0x3015,
 656                     "SP reference-count to ZERO -- sp=%p cmd=%p.\n",
 657                     sp, GET_CMD_SP(sp));
 658                 if (ql2xextended_error_logging & ql_dbg_io)
 659                         WARN_ON(atomic_read(&sp->ref_count) == 0);
 660                 return;
 661         }
 662         if (!atomic_dec_and_test(&sp->ref_count))
 663                 return;
 664
 665         qla2x00_sp_free_dma(ha, sp);
 666         cmd->scsi_done(cmd);
 667 }
 668
 669 /* If we are SP1 here, we need to still take and release the host_lock as SP1
 670  * does not have the changes necessary to avoid taking host->host_lock.
 671  */
 672 static int
 673 qla2xxx_queuecommand(struct Scsi_Host *host, struct scsi_cmnd *cmd)
 674 {
 675         scsi_qla_host_t *vha = shost_priv(host);
 676         fc_port_t *fcport = (struct fc_port *) cmd->device->hostdata;
 677         struct fc_rport *rport = starget_to_rport(scsi_target(cmd->device));
 678         struct qla_hw_data *ha = vha->hw;
 679         struct scsi_qla_host *base_vha = pci_get_drvdata(ha->pdev);
 680         srb_t *sp;
 681         int rval;
 682
 683         if (ha->flags.eeh_busy) {
 684                 if (ha->flags.pci_channel_io_perm_failure) {
 685                         ql_dbg(ql_dbg_aer, vha, 0x9010,
 686                             "PCI Channel IO permanent failure, exiting "
 687                             "cmd=%p.\n", cmd);
 688                         cmd->result = DID_NO_CONNECT << 16;
 689                 } else {
 690                         ql_dbg(ql_dbg_aer, vha, 0x9011,
 691                             "EEH_Busy, Requeuing the cmd=%p.\n", cmd);
 692                         cmd->result = DID_REQUEUE << 16;
 693                 }
 694                 goto qc24_fail_command;
 695         }
 696
 697         rval = fc_remote_port_chkready(rport);
 698         if (rval) {
 699                 cmd->result = rval;
 700                 ql_dbg(ql_dbg_io + ql_dbg_verbose, vha, 0x3003,
 701                     "fc_remote_port_chkready failed for cmd=%p, rval=0x%x.\n",
 702                     cmd, rval);
 703                 goto qc24_fail_command;
 704         }
 705
 706         if (!vha->flags.difdix_supported &&
 707                 scsi_get_prot_op(cmd) != SCSI_PROT_NORMAL) {
 708                         ql_dbg(ql_dbg_io, vha, 0x3004,
 709                             "DIF Cap not reg, fail DIF capable cmd's:%p.\n",
 710                             cmd);
 711                         cmd->result = DID_NO_CONNECT << 16;
 712                         goto qc24_fail_command;
 713         }
 714
 715         if (!fcport) {
 716                 cmd->result = DID_NO_CONNECT << 16;
 717                 goto qc24_fail_command;
 718         }
 719
 720         if (atomic_read(&fcport->state) != FCS_ONLINE) {
 721                 if (atomic_read(&fcport->state) == FCS_DEVICE_DEAD ||
 722                         atomic_read(&base_vha->loop_state) == LOOP_DEAD) {
 723                         ql_dbg(ql_dbg_io, vha, 0x3005,
 724                             "Returning DNC, fcport_state=%d loop_state=%d.\n",
 725                             atomic_read(&fcport->state),
 726                             atomic_read(&base_vha->loop_state));
 727                         cmd->result = DID_NO_CONNECT << 16;
 728                         goto qc24_fail_command;
 729                 }
 730                 goto qc24_target_busy;
 731         }
 732
 733         /*
 734          * Return target busy if we've received a non-zero retry_delay_timer
 735          * in a FCP_RSP.
 736          */
 737         if (fcport->retry_delay_timestamp == 0) {
 738                 /* retry delay not set */
 739         } else if (time_after(jiffies, fcport->retry_delay_timestamp))
 740                 fcport->retry_delay_timestamp = 0;
 741         else
 742                 goto qc24_target_busy;
 743
 744         sp = qla2x00_get_sp(vha, fcport, GFP_ATOMIC);
 745         if (!sp)
 746                 goto qc24_host_busy;
 747
 748         sp->u.scmd.cmd = cmd;
 749         sp->type = SRB_SCSI_CMD;
 750         atomic_set(&sp->ref_count, 1);
 751         CMD_SP(cmd) = (void *)sp;
 752         sp->free = qla2x00_sp_free_dma;
 753         sp->done = qla2x00_sp_compl;
 754
 755         rval = ha->isp_ops->start_scsi(sp);
 756         if (rval != QLA_SUCCESS) {
 757                 ql_dbg(ql_dbg_io + ql_dbg_verbose, vha, 0x3013,
 758                     "Start scsi failed rval=%d for cmd=%p.\n", rval, cmd);
 759                 goto qc24_host_busy_free_sp;
 760         }
 761
 762         return 0;
 763
 764 qc24_host_busy_free_sp:
 765         qla2x00_sp_free_dma(ha, sp);
 766
 767 qc24_host_busy:
 768         return SCSI_MLQUEUE_HOST_BUSY;
 769
 770 qc24_target_busy:
 771         return SCSI_MLQUEUE_TARGET_BUSY;
 772
 773 qc24_fail_command:
 774         cmd->scsi_done(cmd);
 775
 776         return 0;
 777 }
 778
 779 /*
 780  * qla2x00_eh_wait_on_command
 781  *    Waits for the command to be returned by the Firmware for some
 782  *    max time.
 783  *
 784  * Input:
 785  *    cmd = Scsi Command to wait on.
 786  *
 787  * Return:
 788  *    Not Found : 0
 789  *    Found : 1
 790  */
 791 static int
 792 qla2x00_eh_wait_on_command(struct scsi_cmnd *cmd)
 793 {
 794 #define ABORT_POLLING_PERIOD    1000
 795 #define ABORT_WAIT_ITER         ((2 * 1000) / (ABORT_POLLING_PERIOD))
 796         unsigned long wait_iter = ABORT_WAIT_ITER;
 797         scsi_qla_host_t *vha = shost_priv(cmd->device->host);
 798         struct qla_hw_data *ha = vha->hw;
 799         int ret = QLA_SUCCESS;
 800
 801         if (unlikely(pci_channel_offline(ha->pdev)) || ha->flags.eeh_busy) {
 802                 ql_dbg(ql_dbg_taskm, vha, 0x8005,
 803                     "Return:eh_wait.\n");
 804                 return ret;
 805         }
 806
 807         while (CMD_SP(cmd) && wait_iter--) {
 808                 msleep(ABORT_POLLING_PERIOD);
 809         }
 810         if (CMD_SP(cmd))
 811                 ret = QLA_FUNCTION_FAILED;
 812
 813         return ret;
 814 }
 815
 816 /*
 817  * qla2x00_wait_for_hba_online
 818  *    Wait till the HBA is online after going through
 819  *    <= MAX_RETRIES_OF_ISP_ABORT  or
 820  *    finally HBA is disabled ie marked offline
 821  *
 822  * Input:
 823  *     ha - pointer to host adapter structure
 824  *
 825  * Note:
 826  *    Does context switching-Release SPIN_LOCK
 827  *    (if any) before calling this routine.
 828  *
 829  * Return:
 830  *    Success (Adapter is online) : 0
 831  *    Failed  (Adapter is offline/disabled) : 1
 832  */
 833 int
 834 qla2x00_wait_for_hba_online(scsi_qla_host_t *vha)
 835 {
 836         int             return_status;
 837         unsigned long   wait_online;
 838         struct qla_hw_data *ha = vha->hw;
 839         scsi_qla_host_t *base_vha = pci_get_drvdata(ha->pdev);
 840
 841         wait_online = jiffies + (MAX_LOOP_TIMEOUT * HZ);
 842         while (((test_bit(ISP_ABORT_NEEDED, &base_vha->dpc_flags)) ||
 843             test_bit(ABORT_ISP_ACTIVE, &base_vha->dpc_flags) ||
 844             test_bit(ISP_ABORT_RETRY, &base_vha->dpc_flags) ||
 845             ha->dpc_active) && time_before(jiffies, wait_online)) {
 846
 847                 msleep(1000);
 848         }
 849         if (base_vha->flags.online)
 850                 return_status = QLA_SUCCESS;
 851         else
 852                 return_status = QLA_FUNCTION_FAILED;
 853
 854         return (return_status);
 855 }
 856
 857 /*
 858  * qla2x00_wait_for_hba_ready
 859  * Wait till the HBA is ready before doing driver unload
 860  *
 861  * Input:
 862  *     ha - pointer to host adapter structure
 863  *
 864  * Note:
 865  *    Does context switching-Release SPIN_LOCK
 866  *    (if any) before calling this routine.
 867  *
 868  */
 869 static void
 870 qla2x00_wait_for_hba_ready(scsi_qla_host_t *vha)
 871 {
 872         struct qla_hw_data *ha = vha->hw;
 873
 874         while (((qla2x00_reset_active(vha)) || ha->dpc_active ||
 875             ha->flags.mbox_busy) ||
 876                 test_bit(FX00_RESET_RECOVERY, &vha->dpc_flags) ||
 877                 test_bit(FX00_TARGET_SCAN, &vha->dpc_flags))
 878                 msleep(1000);
 879 }
 880
 881 int
 882 qla2x00_wait_for_chip_reset(scsi_qla_host_t *vha)
 883 {
 884         int             return_status;
 885         unsigned long   wait_reset;
 886         struct qla_hw_data *ha = vha->hw;
 887         scsi_qla_host_t *base_vha = pci_get_drvdata(ha->pdev);
 888
 889         wait_reset = jiffies + (MAX_LOOP_TIMEOUT * HZ);
 890         while (((test_bit(ISP_ABORT_NEEDED, &base_vha->dpc_flags)) ||
 891             test_bit(ABORT_ISP_ACTIVE, &base_vha->dpc_flags) ||
 892             test_bit(ISP_ABORT_RETRY, &base_vha->dpc_flags) ||
 893             ha->dpc_active) && time_before(jiffies, wait_reset)) {
 894
 895                 msleep(1000);
 896
 897                 if (!test_bit(ISP_ABORT_NEEDED, &base_vha->dpc_flags) &&
 898                     ha->flags.chip_reset_done)
 899                         break;
 900         }
 901         if (ha->flags.chip_reset_done)
 902                 return_status = QLA_SUCCESS;
 903         else
 904                 return_status = QLA_FUNCTION_FAILED;
 905
 906         return return_status;
 907 }
 908
 909 static void
 910 sp_get(struct srb *sp)
 911 {
 912         atomic_inc(&sp->ref_count);
 913 }
 914
 915 /**************************************************************************
 916 * qla2xxx_eh_abort
 917 *
 918 * Description:
 919 *    The abort function will abort the specified command.
 920 *
 921 * Input:
 922 *    cmd = Linux SCSI command packet to be aborted.
 923 *
 924 * Returns:
 925 *    Either SUCCESS or FAILED.
 926 *
 927 * Note:
 928 *    Only return FAILED if command not returned by firmware.
 929 **************************************************************************/
 930 static int
 931 qla2xxx_eh_abort(struct scsi_cmnd *cmd)
 932 {
 933         scsi_qla_host_t *vha = shost_priv(cmd->device->host);
 934         srb_t *sp;
 935         int ret;
 936         unsigned int id;
 937         uint64_t lun;
 938         unsigned long flags;
 939         int rval, wait = 0;
 940         struct qla_hw_data *ha = vha->hw;
 941
 942         if (!CMD_SP(cmd))
 943                 return SUCCESS;
 944
 945         ret = fc_block_scsi_eh(cmd);
 946         if (ret != 0)
 947                 return ret;
 948         ret = SUCCESS;
 949
 950         id = cmd->device->id;
 951         lun = cmd->device->lun;
 952
 953         spin_lock_irqsave(&ha->hardware_lock, flags);
 954         sp = (srb_t *) CMD_SP(cmd);
 955         if (!sp) {
 956                 spin_unlock_irqrestore(&ha->hardware_lock, flags);
 957                 return SUCCESS;
 958         }
 959
 960         ql_dbg(ql_dbg_taskm, vha, 0x8002,
 961             "Aborting from RISC nexus=%ld:%d:%llu sp=%p cmd=%p\n",
 962             vha->host_no, id, lun, sp, cmd);
 963
 964         /* Get a reference to the sp and drop the lock.*/
 965         sp_get(sp);
 966
 967         spin_unlock_irqrestore(&ha->hardware_lock, flags);
 968         rval = ha->isp_ops->abort_command(sp);
 969         if (rval) {
 970                 if (rval == QLA_FUNCTION_PARAMETER_ERROR) {
 971                         /*
 972                          * Decrement the ref_count since we can't find the
 973                          * command
 974                          */
 975                         atomic_dec(&sp->ref_count);
 976                         ret = SUCCESS;
 977                 } else
 978                         ret = FAILED;
 979
 980                 ql_dbg(ql_dbg_taskm, vha, 0x8003,
 981                     "Abort command mbx failed cmd=%p, rval=%x.\n", cmd, rval);
 982         } else {
 983                 ql_dbg(ql_dbg_taskm, vha, 0x8004,
 984                     "Abort command mbx success cmd=%p.\n", cmd);
 985                 wait = 1;
 986         }
 987
 988         spin_lock_irqsave(&ha->hardware_lock, flags);
 989         /*
 990          * Clear the slot in the oustanding_cmds array if we can't find the
 991          * command to reclaim the resources.
 992          */
 993         if (rval == QLA_FUNCTION_PARAMETER_ERROR)
 994                 vha->req->outstanding_cmds[sp->handle] = NULL;
 995         sp->done(ha, sp, 0);
 996         spin_unlock_irqrestore(&ha->hardware_lock, flags);
 997
 998         /* Did the command return during mailbox execution? */
 999         if (ret == FAILED && !CMD_SP(cmd))
1000                 ret = SUCCESS;
1001
1002         /* Wait for the command to be returned. */
1003         if (wait) {
1004                 if (qla2x00_eh_wait_on_command(cmd) != QLA_SUCCESS) {
1005                         ql_log(ql_log_warn, vha, 0x8006,
1006                             "Abort handler timed out cmd=%p.\n", cmd);
1007                         ret = FAILED;
1008                 }
1009         }
1010
1011         ql_log(ql_log_info, vha, 0x801c,
1012             "Abort command issued nexus=%ld:%d:%llu --  %d %x.\n",
1013             vha->host_no, id, lun, wait, ret);
1014
1015         return ret;
1016 }
1017
1018 int
1019 qla2x00_eh_wait_for_pending_commands(scsi_qla_host_t *vha, unsigned int t,
1020         uint64_t l, enum nexus_wait_type type)
1021 {
1022         int cnt, match, status;
1023         unsigned long flags;
1024         struct qla_hw_data *ha = vha->hw;
1025         struct req_que *req;
1026         srb_t *sp;
1027         struct scsi_cmnd *cmd;
1028
1029         status = QLA_SUCCESS;
1030
1031         spin_lock_irqsave(&ha->hardware_lock, flags);
1032         req = vha->req;
1033         for (cnt = 1; status == QLA_SUCCESS &&
1034                 cnt < req->num_outstanding_cmds; cnt++) {
1035                 sp = req->outstanding_cmds[cnt];
1036                 if (!sp)
1037                         continue;
1038                 if (sp->type != SRB_SCSI_CMD)
1039                         continue;
1040                 if (vha->vp_idx != sp->fcport->vha->vp_idx)
1041                         continue;
1042                 match = 0;
1043                 cmd = GET_CMD_SP(sp);
1044                 switch (type) {
1045                 case WAIT_HOST:
1046                         match = 1;
1047                         break;
1048                 case WAIT_TARGET:
1049                         match = cmd->device->id == t;
1050                         break;
1051                 case WAIT_LUN:
1052                         match = (cmd->device->id == t &&
1053                                 cmd->device->lun == l);
1054                         break;
1055                 }
1056                 if (!match)
1057                         continue;
1058
1059                 spin_unlock_irqrestore(&ha->hardware_lock, flags);
1060                 status = qla2x00_eh_wait_on_command(cmd);
1061                 spin_lock_irqsave(&ha->hardware_lock, flags);
1062         }
1063         spin_unlock_irqrestore(&ha->hardware_lock, flags);
1064
1065         return status;
1066 }
1067
1068 static char *reset_errors[] = {
1069         "HBA not online",
1070         "HBA not ready",
1071         "Task management failed",
1072         "Waiting for command completions",
1073 };
1074
1075 static int
1076 __qla2xxx_eh_generic_reset(char *name, enum nexus_wait_type type,
1077     struct scsi_cmnd *cmd, int (*do_reset)(struct fc_port *, uint64_t, int))
1078 {
1079         scsi_qla_host_t *vha = shost_priv(cmd->device->host);
1080         fc_port_t *fcport = (struct fc_port *) cmd->device->hostdata;
1081         int err;
1082
1083         if (!fcport) {
1084                 return FAILED;
1085         }
1086
1087         err = fc_block_scsi_eh(cmd);
1088         if (err != 0)
1089                 return err;
1090
1091         ql_log(ql_log_info, vha, 0x8009,
1092             "%s RESET ISSUED nexus=%ld:%d:%llu cmd=%p.\n", name, vha->host_no,
1093             cmd->device->id, cmd->device->lun, cmd);
1094
1095         err = 0;
1096         if (qla2x00_wait_for_hba_online(vha) != QLA_SUCCESS) {
1097                 ql_log(ql_log_warn, vha, 0x800a,
1098                     "Wait for hba online failed for cmd=%p.\n", cmd);
1099                 goto eh_reset_failed;
1100         }
1101         err = 2;
1102         if (do_reset(fcport, cmd->device->lun, cmd->request->cpu + 1)
1103                 != QLA_SUCCESS) {
1104                 ql_log(ql_log_warn, vha, 0x800c,
1105                     "do_reset failed for cmd=%p.\n", cmd);
1106                 goto eh_reset_failed;
1107         }
1108         err = 3;
1109         if (qla2x00_eh_wait_for_pending_commands(vha, cmd->device->id,
1110             cmd->device->lun, type) != QLA_SUCCESS) {
1111                 ql_log(ql_log_warn, vha, 0x800d,
1112                     "wait for pending cmds failed for cmd=%p.\n", cmd);
1113                 goto eh_reset_failed;
1114         }
1115
1116         ql_log(ql_log_info, vha, 0x800e,
1117             "%s RESET SUCCEEDED nexus:%ld:%d:%llu cmd=%p.\n", name,
1118             vha->host_no, cmd->device->id, cmd->device->lun, cmd);
1119
1120         return SUCCESS;
1121
1122 eh_reset_failed:
1123         ql_log(ql_log_info, vha, 0x800f,
1124             "%s RESET FAILED: %s nexus=%ld:%d:%llu cmd=%p.\n", name,
1125             reset_errors[err], vha->host_no, cmd->device->id, cmd->device->lun,
1126             cmd);
1127         return FAILED;
1128 }
1129
1130 static int
1131 qla2xxx_eh_device_reset(struct scsi_cmnd *cmd)
1132 {
1133         scsi_qla_host_t *vha = shost_priv(cmd->device->host);
1134         struct qla_hw_data *ha = vha->hw;
1135
1136         return __qla2xxx_eh_generic_reset("DEVICE", WAIT_LUN, cmd,
1137             ha->isp_ops->lun_reset);
1138 }
1139
1140 static int
1141 qla2xxx_eh_target_reset(struct scsi_cmnd *cmd)
1142 {
1143         scsi_qla_host_t *vha = shost_priv(cmd->device->host);
1144         struct qla_hw_data *ha = vha->hw;
1145
1146         return __qla2xxx_eh_generic_reset("TARGET", WAIT_TARGET, cmd,
1147             ha->isp_ops->target_reset);
1148 }
1149
1150 /**************************************************************************
1151 * qla2xxx_eh_bus_reset
1152 *
1153 * Description:
1154 *    The bus reset function will reset the bus and abort any executing
1155 *    commands.
1156 *
1157 * Input:
1158 *    cmd = Linux SCSI command packet of the command that cause the
1159 *          bus reset.
1160 *
1161 * Returns:
1162 *    SUCCESS/FAILURE (defined as macro in scsi.h).
1163 *
1164 **************************************************************************/
1165 static int
1166 qla2xxx_eh_bus_reset(struct scsi_cmnd *cmd)
1167 {
1168         scsi_qla_host_t *vha = shost_priv(cmd->device->host);
1169         fc_port_t *fcport = (struct fc_port *) cmd->device->hostdata;
1170         int ret = FAILED;
1171         unsigned int id;
1172         uint64_t lun;
1173
1174         id = cmd->device->id;
1175         lun = cmd->device->lun;
1176
1177         if (!fcport) {
1178                 return ret;
1179         }
1180
1181         ret = fc_block_scsi_eh(cmd);
1182         if (ret != 0)
1183                 return ret;
1184         ret = FAILED;
1185
1186         ql_log(ql_log_info, vha, 0x8012,
1187             "BUS RESET ISSUED nexus=%ld:%d:%llu.\n", vha->host_no, id, lun);
1188
1189         if (qla2x00_wait_for_hba_online(vha) != QLA_SUCCESS) {
1190                 ql_log(ql_log_fatal, vha, 0x8013,
1191                     "Wait for hba online failed board disabled.\n");
1192                 goto eh_bus_reset_done;
1193         }
1194
1195         if (qla2x00_loop_reset(vha) == QLA_SUCCESS)
1196                 ret = SUCCESS;
1197
1198         if (ret == FAILED)
1199                 goto eh_bus_reset_done;
1200
1201         /* Flush outstanding commands. */
1202         if (qla2x00_eh_wait_for_pending_commands(vha, 0, 0, WAIT_HOST) !=
1203             QLA_SUCCESS) {
1204                 ql_log(ql_log_warn, vha, 0x8014,
1205                     "Wait for pending commands failed.\n");
1206                 ret = FAILED;
1207         }
1208
1209 eh_bus_reset_done:
1210         ql_log(ql_log_warn, vha, 0x802b,
1211             "BUS RESET %s nexus=%ld:%d:%llu.\n",
1212             (ret == FAILED) ? "FAILED" : "SUCCEEDED", vha->host_no, id, lun);
1213
1214         return ret;
1215 }
1216
1217 /**************************************************************************
1218 * qla2xxx_eh_host_reset
1219 *
1220 * Description:
1221 *    The reset function will reset the Adapter.
1222 *
1223 * Input:
1224 *      cmd = Linux SCSI command packet of the command that cause the
1225 *            adapter reset.
1226 *
1227 * Returns:
1228 *      Either SUCCESS or FAILED.
1229 *
1230 * Note:
1231 **************************************************************************/
1232 static int
1233 qla2xxx_eh_host_reset(struct scsi_cmnd *cmd)
1234 {
1235         scsi_qla_host_t *vha = shost_priv(cmd->device->host);
1236         struct qla_hw_data *ha = vha->hw;
1237         int ret = FAILED;
1238         unsigned int id;
1239         uint64_t lun;
1240         scsi_qla_host_t *base_vha = pci_get_drvdata(ha->pdev);
1241
1242         id = cmd->device->id;
1243         lun = cmd->device->lun;
1244
1245         ql_log(ql_log_info, vha, 0x8018,
1246             "ADAPTER RESET ISSUED nexus=%ld:%d:%llu.\n", vha->host_no, id, lun);
1247
1248         /*
1249          * No point in issuing another reset if one is active.  Also do not
1250          * attempt a reset if we are updating flash.
1251          */
1252         if (qla2x00_reset_active(vha) || ha->optrom_state != QLA_SWAITING)
1253                 goto eh_host_reset_lock;
1254
1255         if (vha != base_vha) {
1256                 if (qla2x00_vp_abort_isp(vha))
1257                         goto eh_host_reset_lock;
1258         } else {
1259                 if (IS_P3P_TYPE(vha->hw)) {
1260                         if (!qla82xx_fcoe_ctx_reset(vha)) {
1261                                 /* Ctx reset success */
1262                                 ret = SUCCESS;
1263                                 goto eh_host_reset_lock;
1264                         }
1265                         /* fall thru if ctx reset failed */
1266                 }
1267                 if (ha->wq)
1268                         flush_workqueue(ha->wq);
1269
1270                 set_bit(ABORT_ISP_ACTIVE, &base_vha->dpc_flags);
1271                 if (ha->isp_ops->abort_isp(base_vha)) {
1272                         clear_bit(ABORT_ISP_ACTIVE, &base_vha->dpc_flags);
1273                         /* failed. schedule dpc to try */
1274                         set_bit(ISP_ABORT_NEEDED, &base_vha->dpc_flags);
1275
1276                         if (qla2x00_wait_for_hba_online(vha) != QLA_SUCCESS) {
1277                                 ql_log(ql_log_warn, vha, 0x802a,
1278                                     "wait for hba online failed.\n");
1279                                 goto eh_host_reset_lock;
1280                         }
1281                 }
1282                 clear_bit(ABORT_ISP_ACTIVE, &base_vha->dpc_flags);
1283         }
1284
1285         /* Waiting for command to be returned to OS.*/
1286         if (qla2x00_eh_wait_for_pending_commands(vha, 0, 0, WAIT_HOST) ==
1287                 QLA_SUCCESS)
1288                 ret = SUCCESS;
1289
1290 eh_host_reset_lock:
1291         ql_log(ql_log_info, vha, 0x8017,
1292             "ADAPTER RESET %s nexus=%ld:%d:%llu.\n",
1293             (ret == FAILED) ? "FAILED" : "SUCCEEDED", vha->host_no, id, lun);
1294
1295         return ret;
1296 }
1297
1298 /*
1299 * qla2x00_loop_reset
1300 *      Issue loop reset.
1301 *
1302 * Input:
1303 *      ha = adapter block pointer.
1304 *
1305 * Returns:
1306 *      0 = success
1307 */
1308 int
1309 qla2x00_loop_reset(scsi_qla_host_t *vha)
1310 {
1311         int ret;
1312         struct fc_port *fcport;
1313         struct qla_hw_data *ha = vha->hw;
1314
1315         if (IS_QLAFX00(ha)) {
1316                 return qlafx00_loop_reset(vha);
1317         }
1318
1319         if (ql2xtargetreset == 1 && ha->flags.enable_target_reset) {
1320                 list_for_each_entry(fcport, &vha->vp_fcports, list) {
1321                         if (fcport->port_type != FCT_TARGET)
1322                                 continue;
1323
1324                         ret = ha->isp_ops->target_reset(fcport, 0, 0);
1325                         if (ret != QLA_SUCCESS) {
1326                                 ql_dbg(ql_dbg_taskm, vha, 0x802c,
1327                                     "Bus Reset failed: Reset=%d "
1328                                     "d_id=%x.\n", ret, fcport->d_id.b24);
1329                         }
1330                 }
1331         }
1332
1333
1334         if (ha->flags.enable_lip_full_login && !IS_CNA_CAPABLE(ha)) {
1335                 atomic_set(&vha->loop_state, LOOP_DOWN);
1336                 atomic_set(&vha->loop_down_timer, LOOP_DOWN_TIME);
1337                 qla2x00_mark_all_devices_lost(vha, 0);
1338                 ret = qla2x00_full_login_lip(vha);
1339                 if (ret != QLA_SUCCESS) {
1340                         ql_dbg(ql_dbg_taskm, vha, 0x802d,
1341                             "full_login_lip=%d.\n", ret);
1342                 }
1343         }
1344
1345         if (ha->flags.enable_lip_reset) {
1346                 ret = qla2x00_lip_reset(vha);
1347                 if (ret != QLA_SUCCESS)
1348                         ql_dbg(ql_dbg_taskm, vha, 0x802e,
1349                             "lip_reset failed (%d).\n", ret);
1350         }
1351
1352         /* Issue marker command only when we are going to start the I/O */
1353         vha->marker_needed = 1;
1354
1355         return QLA_SUCCESS;
1356 }
1357
1358 void
1359 qla2x00_abort_all_cmds(scsi_qla_host_t *vha, int res)
1360 {
1361         int que, cnt;
1362         unsigned long flags;
1363         srb_t *sp;
1364         struct qla_hw_data *ha = vha->hw;
1365         struct req_que *req;
1366
1367         qlt_host_reset_handler(ha);
1368
1369         spin_lock_irqsave(&ha->hardware_lock, flags);
1370         for (que = 0; que < ha->max_req_queues; que++) {
1371                 req = ha->req_q_map[que];
1372                 if (!req)
1373                         continue;
1374                 if (!req->outstanding_cmds)
1375                         continue;
1376                 for (cnt = 1; cnt < req->num_outstanding_cmds; cnt++) {
1377                         sp = req->outstanding_cmds[cnt];
1378                         if (sp) {
1379                                 req->outstanding_cmds[cnt] = NULL;
1380                                 sp->done(vha, sp, res);
1381                         }
1382                 }
1383         }
1384         spin_unlock_irqrestore(&ha->hardware_lock, flags);
1385 }
1386
1387 static int
1388 qla2xxx_slave_alloc(struct scsi_device *sdev)
1389 {
1390         struct fc_rport *rport = starget_to_rport(scsi_target(sdev));
1391
1392         if (!rport || fc_remote_port_chkready(rport))
1393                 return -ENXIO;
1394
1395         sdev->hostdata = *(fc_port_t **)rport->dd_data;
1396
1397         return 0;
1398 }
1399
1400 static int
1401 qla2xxx_slave_configure(struct scsi_device *sdev)
1402 {
1403         scsi_qla_host_t *vha = shost_priv(sdev->host);
1404         struct req_que *req = vha->req;
1405
1406         if (IS_T10_PI_CAPABLE(vha->hw))
1407                 blk_queue_update_dma_alignment(sdev->request_queue, 0x7);
1408
1409         scsi_change_queue_depth(sdev, req->max_q_depth);
1410         return 0;
1411 }
1412
1413 static void
1414 qla2xxx_slave_destroy(struct scsi_device *sdev)
1415 {
1416         sdev->hostdata = NULL;
1417 }
1418
1419 /**
1420  * qla2x00_config_dma_addressing() - Configure OS DMA addressing method.
1421  * @ha: HA context
1422  *
1423  * At exit, the @ha's flags.enable_64bit_addressing set to indicated
1424  * supported addressing method.
1425  */
1426 static void
1427 qla2x00_config_dma_addressing(struct qla_hw_data *ha)
1428 {
1429         /* Assume a 32bit DMA mask. */
1430         ha->flags.enable_64bit_addressing = 0;
1431
1432         if (!dma_set_mask(&ha->pdev->dev, DMA_BIT_MASK(64))) {
1433                 /* Any upper-dword bits set? */
1434                 if (MSD(dma_get_required_mask(&ha->pdev->dev)) &&
1435                     !pci_set_consistent_dma_mask(ha->pdev, DMA_BIT_MASK(64))) {
1436                         /* Ok, a 64bit DMA mask is applicable. */
1437                         ha->flags.enable_64bit_addressing = 1;
1438                         ha->isp_ops->calc_req_entries = qla2x00_calc_iocbs_64;
1439                         ha->isp_ops->build_iocbs = qla2x00_build_scsi_iocbs_64;
1440                         return;
1441                 }
1442         }
1443
1444         dma_set_mask(&ha->pdev->dev, DMA_BIT_MASK(32));
1445         pci_set_consistent_dma_mask(ha->pdev, DMA_BIT_MASK(32));
1446 }
1447
1448 static void
1449 qla2x00_enable_intrs(struct qla_hw_data *ha)
1450 {
1451         unsigned long flags = 0;
1452         struct device_reg_2xxx __iomem *reg = &ha->iobase->isp;
1453
1454         spin_lock_irqsave(&ha->hardware_lock, flags);
1455         ha->interrupts_on = 1;
1456         /* enable risc and host interrupts */
1457         WRT_REG_WORD(&reg->ictrl, ICR_EN_INT | ICR_EN_RISC);
1458         RD_REG_WORD(&reg->ictrl);
1459         spin_unlock_irqrestore(&ha->hardware_lock, flags);
1460
1461 }
1462
1463 static void
1464 qla2x00_disable_intrs(struct qla_hw_data *ha)
1465 {
1466         unsigned long flags = 0;
1467         struct device_reg_2xxx __iomem *reg = &ha->iobase->isp;
1468
1469         spin_lock_irqsave(&ha->hardware_lock, flags);
1470         ha->interrupts_on = 0;
1471         /* disable risc and host interrupts */
1472         WRT_REG_WORD(&reg->ictrl, 0);
1473         RD_REG_WORD(&reg->ictrl);
1474         spin_unlock_irqrestore(&ha->hardware_lock, flags);
1475 }
1476
1477 static void
1478 qla24xx_enable_intrs(struct qla_hw_data *ha)
1479 {
1480         unsigned long flags = 0;
1481         struct device_reg_24xx __iomem *reg = &ha->iobase->isp24;
1482
1483         spin_lock_irqsave(&ha->hardware_lock, flags);
1484         ha->interrupts_on = 1;
1485         WRT_REG_DWORD(&reg->ictrl, ICRX_EN_RISC_INT);
1486         RD_REG_DWORD(&reg->ictrl);
1487         spin_unlock_irqrestore(&ha->hardware_lock, flags);
1488 }
1489
1490 static void
1491 qla24xx_disable_intrs(struct qla_hw_data *ha)
1492 {
1493         unsigned long flags = 0;
1494         struct device_reg_24xx __iomem *reg = &ha->iobase->isp24;
1495
1496         if (IS_NOPOLLING_TYPE(ha))
1497                 return;
1498         spin_lock_irqsave(&ha->hardware_lock, flags);
1499         ha->interrupts_on = 0;
1500         WRT_REG_DWORD(&reg->ictrl, 0);
1501         RD_REG_DWORD(&reg->ictrl);
1502         spin_unlock_irqrestore(&ha->hardware_lock, flags);
1503 }
1504
1505 static int
1506 qla2x00_iospace_config(struct qla_hw_data *ha)
1507 {
1508         resource_size_t pio;
1509         uint16_t msix;
1510         int cpus;
1511
1512         if (pci_request_selected_regions(ha->pdev, ha->bars,
1513             QLA2XXX_DRIVER_NAME)) {
1514                 ql_log_pci(ql_log_fatal, ha->pdev, 0x0011,
1515                     "Failed to reserve PIO/MMIO regions (%s), aborting.\n",
1516                     pci_name(ha->pdev));
1517                 goto iospace_error_exit;
1518         }
1519         if (!(ha->bars & 1))
1520                 goto skip_pio;
1521
1522         /* We only need PIO for Flash operations on ISP2312 v2 chips. */
1523         pio = pci_resource_start(ha->pdev, 0);
1524         if (pci_resource_flags(ha->pdev, 0) & IORESOURCE_IO) {
1525                 if (pci_resource_len(ha->pdev, 0) < MIN_IOBASE_LEN) {
1526                         ql_log_pci(ql_log_warn, ha->pdev, 0x0012,
1527                             "Invalid pci I/O region size (%s).\n",
1528                             pci_name(ha->pdev));
1529                         pio = 0;
1530                 }
1531         } else {
1532                 ql_log_pci(ql_log_warn, ha->pdev, 0x0013,
1533                     "Region #0 no a PIO resource (%s).\n",
1534                     pci_name(ha->pdev));
1535                 pio = 0;
1536         }
1537         ha->pio_address = pio;
1538         ql_dbg_pci(ql_dbg_init, ha->pdev, 0x0014,
1539             "PIO address=%llu.\n",
1540             (unsigned long long)ha->pio_address);
1541
1542 skip_pio:
1543         /* Use MMIO operations for all accesses. */
1544         if (!(pci_resource_flags(ha->pdev, 1) & IORESOURCE_MEM)) {
1545                 ql_log_pci(ql_log_fatal, ha->pdev, 0x0015,
1546                     "Region #1 not an MMIO resource (%s), aborting.\n",
1547                     pci_name(ha->pdev));
1548                 goto iospace_error_exit;
1549         }
1550         if (pci_resource_len(ha->pdev, 1) < MIN_IOBASE_LEN) {
1551                 ql_log_pci(ql_log_fatal, ha->pdev, 0x0016,
1552                     "Invalid PCI mem region size (%s), aborting.\n",
1553                     pci_name(ha->pdev));
1554                 goto iospace_error_exit;
1555         }
1556
1557         ha->iobase = ioremap(pci_resource_start(ha->pdev, 1), MIN_IOBASE_LEN);
1558         if (!ha->iobase) {
1559                 ql_log_pci(ql_log_fatal, ha->pdev, 0x0017,
1560                     "Cannot remap MMIO (%s), aborting.\n",
1561                     pci_name(ha->pdev));
1562                 goto iospace_error_exit;
1563         }
1564
1565         /* Determine queue resources */
1566         ha->max_req_queues = ha->max_rsp_queues = 1;
1567         if ((ql2xmaxqueues <= 1 && !ql2xmultique_tag) ||
1568                 (ql2xmaxqueues > 1 && ql2xmultique_tag) ||
1569                 (!IS_QLA25XX(ha) && !IS_QLA81XX(ha)))
1570                 goto mqiobase_exit;
1571
1572         ha->mqiobase = ioremap(pci_resource_start(ha->pdev, 3),
1573                         pci_resource_len(ha->pdev, 3));
1574         if (ha->mqiobase) {
1575                 ql_dbg_pci(ql_dbg_init, ha->pdev, 0x0018,
1576                     "MQIO Base=%p.\n", ha->mqiobase);
1577                 /* Read MSIX vector size of the board */
1578                 pci_read_config_word(ha->pdev, QLA_PCI_MSIX_CONTROL, &msix);
1579                 ha->msix_count = msix;
1580                 /* Max queues are bounded by available msix vectors */
1581                 /* queue 0 uses two msix vectors */
1582                 if (ql2xmultique_tag) {
1583                         cpus = num_online_cpus();
1584                         ha->max_rsp_queues = (ha->msix_count - 1 > cpus) ?
1585                                 (cpus + 1) : (ha->msix_count - 1);
1586                         ha->max_req_queues = 2;
1587                 } else if (ql2xmaxqueues > 1) {
1588                         ha->max_req_queues = ql2xmaxqueues > QLA_MQ_SIZE ?
1589                             QLA_MQ_SIZE : ql2xmaxqueues;
1590                         ql_dbg_pci(ql_dbg_multiq, ha->pdev, 0xc008,
1591                             "QoS mode set, max no of request queues:%d.\n",
1592                             ha->max_req_queues);
1593                         ql_dbg_pci(ql_dbg_init, ha->pdev, 0x0019,
1594                             "QoS mode set, max no of request queues:%d.\n",
1595                             ha->max_req_queues);
1596                 }
1597                 ql_log_pci(ql_log_info, ha->pdev, 0x001a,
1598                     "MSI-X vector count: %d.\n", msix);
1599         } else
1600                 ql_log_pci(ql_log_info, ha->pdev, 0x001b,
1601                     "BAR 3 not enabled.\n");
1602
1603 mqiobase_exit:
1604         ha->msix_count = ha->max_rsp_queues + 1;
1605         ql_dbg_pci(ql_dbg_init, ha->pdev, 0x001c,
1606             "MSIX Count:%d.\n", ha->msix_count);
1607         return (0);
1608
1609 iospace_error_exit:
1610         return (-ENOMEM);
1611 }
1612
1613
1614 static int
1615 qla83xx_iospace_config(struct qla_hw_data *ha)
1616 {
1617         uint16_t msix;
1618         int cpus;
1619
1620         if (pci_request_selected_regions(ha->pdev, ha->bars,
1621             QLA2XXX_DRIVER_NAME)) {
1622                 ql_log_pci(ql_log_fatal, ha->pdev, 0x0117,
1623                     "Failed to reserve PIO/MMIO regions (%s), aborting.\n",
1624                     pci_name(ha->pdev));
1625
1626                 goto iospace_error_exit;
1627         }
1628
1629         /* Use MMIO operations for all accesses. */
1630         if (!(pci_resource_flags(ha->pdev, 0) & IORESOURCE_MEM)) {
1631                 ql_log_pci(ql_log_warn, ha->pdev, 0x0118,
1632                     "Invalid pci I/O region size (%s).\n",
1633                     pci_name(ha->pdev));
1634                 goto iospace_error_exit;
1635         }
1636         if (pci_resource_len(ha->pdev, 0) < MIN_IOBASE_LEN) {
1637                 ql_log_pci(ql_log_warn, ha->pdev, 0x0119,
1638                     "Invalid PCI mem region size (%s), aborting\n",
1639                         pci_name(ha->pdev));
1640                 goto iospace_error_exit;
1641         }
1642
1643         ha->iobase = ioremap(pci_resource_start(ha->pdev, 0), MIN_IOBASE_LEN);
1644         if (!ha->iobase) {
1645                 ql_log_pci(ql_log_fatal, ha->pdev, 0x011a,
1646                     "Cannot remap MMIO (%s), aborting.\n",
1647                     pci_name(ha->pdev));
1648                 goto iospace_error_exit;
1649         }
1650
1651         /* 64bit PCI BAR - BAR2 will correspoond to region 4 */
1652         /* 83XX 26XX always use MQ type access for queues
1653          * - mbar 2, a.k.a region 4 */
1654         ha->max_req_queues = ha->max_rsp_queues = 1;
1655         ha->mqiobase = ioremap(pci_resource_start(ha->pdev, 4),
1656                         pci_resource_len(ha->pdev, 4));
1657
1658         if (!ha->mqiobase) {
1659                 ql_log_pci(ql_log_fatal, ha->pdev, 0x011d,
1660                     "BAR2/region4 not enabled\n");
1661                 goto mqiobase_exit;
1662         }
1663
1664         ha->msixbase = ioremap(pci_resource_start(ha->pdev, 2),
1665                         pci_resource_len(ha->pdev, 2));
1666         if (ha->msixbase) {
1667                 /* Read MSIX vector size of the board */
1668                 pci_read_config_word(ha->pdev,
1669                     QLA_83XX_PCI_MSIX_CONTROL, &msix);
1670                 ha->msix_count = msix;
1671                 /* Max queues are bounded by available msix vectors */
1672                 /* queue 0 uses two msix vectors */
1673                 if (ql2xmultique_tag) {
1674                         cpus = num_online_cpus();
1675                         ha->max_rsp_queues = (ha->msix_count - 1 > cpus) ?
1676                                 (cpus + 1) : (ha->msix_count - 1);
1677                         ha->max_req_queues = 2;
1678                 } else if (ql2xmaxqueues > 1) {
1679                         ha->max_req_queues = ql2xmaxqueues > QLA_MQ_SIZE ?
1680                                                 QLA_MQ_SIZE : ql2xmaxqueues;
1681                         ql_dbg_pci(ql_dbg_multiq, ha->pdev, 0xc00c,
1682                             "QoS mode set, max no of request queues:%d.\n",
1683                             ha->max_req_queues);
1684                         ql_dbg_pci(ql_dbg_init, ha->pdev, 0x011b,
1685                             "QoS mode set, max no of request queues:%d.\n",
1686                             ha->max_req_queues);
1687                 }
1688                 ql_log_pci(ql_log_info, ha->pdev, 0x011c,
1689                     "MSI-X vector count: %d.\n", msix);
1690         } else
1691                 ql_log_pci(ql_log_info, ha->pdev, 0x011e,
1692                     "BAR 1 not enabled.\n");
1693
1694 mqiobase_exit:
1695         ha->msix_count = ha->max_rsp_queues + 1;
1696
1697         qlt_83xx_iospace_config(ha);
1698
1699         ql_dbg_pci(ql_dbg_init, ha->pdev, 0x011f,
1700             "MSIX Count:%d.\n", ha->msix_count);
1701         return 0;
1702
1703 iospace_error_exit:
1704         return -ENOMEM;
1705 }
1706
1707 static struct isp_operations qla2100_isp_ops = {
1708         .pci_config             = qla2100_pci_config,
1709         .reset_chip             = qla2x00_reset_chip,
1710         .chip_diag              = qla2x00_chip_diag,
1711         .config_rings           = qla2x00_config_rings,
1712         .reset_adapter          = qla2x00_reset_adapter,
1713         .nvram_config           = qla2x00_nvram_config,
1714         .update_fw_options      = qla2x00_update_fw_options,
1715         .load_risc              = qla2x00_load_risc,
1716         .pci_info_str           = qla2x00_pci_info_str,
1717         .fw_version_str         = qla2x00_fw_version_str,
1718         .intr_handler           = qla2100_intr_handler,
1719         .enable_intrs           = qla2x00_enable_intrs,
1720         .disable_intrs          = qla2x00_disable_intrs,
1721         .abort_command          = qla2x00_abort_command,
1722         .target_reset           = qla2x00_abort_target,
1723         .lun_reset              = qla2x00_lun_reset,
1724         .fabric_login           = qla2x00_login_fabric,
1725         .fabric_logout          = qla2x00_fabric_logout,
1726         .calc_req_entries       = qla2x00_calc_iocbs_32,
1727         .build_iocbs            = qla2x00_build_scsi_iocbs_32,
1728         .prep_ms_iocb           = qla2x00_prep_ms_iocb,
1729         .prep_ms_fdmi_iocb      = qla2x00_prep_ms_fdmi_iocb,
1730         .read_nvram             = qla2x00_read_nvram_data,
1731         .write_nvram            = qla2x00_write_nvram_data,
1732         .fw_dump                = qla2100_fw_dump,
1733         .beacon_on              = NULL,
1734         .beacon_off             = NULL,
1735         .beacon_blink           = NULL,
1736         .read_optrom            = qla2x00_read_optrom_data,
1737         .write_optrom           = qla2x00_write_optrom_data,
1738         .get_flash_version      = qla2x00_get_flash_version,
1739         .start_scsi             = qla2x00_start_scsi,
1740         .abort_isp              = qla2x00_abort_isp,
1741         .iospace_config         = qla2x00_iospace_config,
1742         .initialize_adapter     = qla2x00_initialize_adapter,
1743 };
1744
1745 static struct isp_operations qla2300_isp_ops = {
1746         .pci_config             = qla2300_pci_config,
1747         .reset_chip             = qla2x00_reset_chip,
1748         .chip_diag              = qla2x00_chip_diag,
1749         .config_rings           = qla2x00_config_rings,
1750         .reset_adapter          = qla2x00_reset_adapter,
1751         .nvram_config           = qla2x00_nvram_config,
1752         .update_fw_options      = qla2x00_update_fw_options,
1753         .load_risc              = qla2x00_load_risc,
1754         .pci_info_str           = qla2x00_pci_info_str,
1755         .fw_version_str         = qla2x00_fw_version_str,
1756         .intr_handler           = qla2300_intr_handler,
1757         .enable_intrs           = qla2x00_enable_intrs,
1758         .disable_intrs          = qla2x00_disable_intrs,
1759         .abort_command          = qla2x00_abort_command,
1760         .target_reset           = qla2x00_abort_target,
1761         .lun_reset              = qla2x00_lun_reset,
1762         .fabric_login           = qla2x00_login_fabric,
1763         .fabric_logout          = qla2x00_fabric_logout,
1764         .calc_req_entries       = qla2x00_calc_iocbs_32,
1765         .build_iocbs            = qla2x00_build_scsi_iocbs_32,
1766         .prep_ms_iocb           = qla2x00_prep_ms_iocb,
1767         .prep_ms_fdmi_iocb      = qla2x00_prep_ms_fdmi_iocb,
1768         .read_nvram             = qla2x00_read_nvram_data,
1769         .write_nvram            = qla2x00_write_nvram_data,
1770         .fw_dump                = qla2300_fw_dump,
1771         .beacon_on              = qla2x00_beacon_on,
1772         .beacon_off             = qla2x00_beacon_off,
1773         .beacon_blink           = qla2x00_beacon_blink,
1774         .read_optrom            = qla2x00_read_optrom_data,
1775         .write_optrom           = qla2x00_write_optrom_data,
1776         .get_flash_version      = qla2x00_get_flash_version,
1777         .start_scsi             = qla2x00_start_scsi,
1778         .abort_isp              = qla2x00_abort_isp,
1779         .iospace_config         = qla2x00_iospace_config,
1780         .initialize_adapter     = qla2x00_initialize_adapter,
1781 };
1782
1783 static struct isp_operations qla24xx_isp_ops = {
1784         .pci_config             = qla24xx_pci_config,
1785         .reset_chip             = qla24xx_reset_chip,
1786         .chip_diag              = qla24xx_chip_diag,
1787         .config_rings           = qla24xx_config_rings,
1788         .reset_adapter          = qla24xx_reset_adapter,
1789         .nvram_config           = qla24xx_nvram_config,
1790         .update_fw_options      = qla24xx_update_fw_options,
1791         .load_risc              = qla24xx_load_risc,
1792         .pci_info_str           = qla24xx_pci_info_str,
1793         .fw_version_str         = qla24xx_fw_version_str,
1794         .intr_handler           = qla24xx_intr_handler,
1795         .enable_intrs           = qla24xx_enable_intrs,
1796         .disable_intrs          = qla24xx_disable_intrs,
1797         .abort_command          = qla24xx_abort_command,
1798         .target_reset           = qla24xx_abort_target,
1799         .lun_reset              = qla24xx_lun_reset,
1800         .fabric_login           = qla24xx_login_fabric,
1801         .fabric_logout          = qla24xx_fabric_logout,
1802         .calc_req_entries       = NULL,
1803         .build_iocbs            = NULL,
1804         .prep_ms_iocb           = qla24xx_prep_ms_iocb,
1805         .prep_ms_fdmi_iocb      = qla24xx_prep_ms_fdmi_iocb,
1806         .read_nvram             = qla24xx_read_nvram_data,
1807         .write_nvram            = qla24xx_write_nvram_data,
1808         .fw_dump                = qla24xx_fw_dump,
1809         .beacon_on              = qla24xx_beacon_on,
1810         .beacon_off             = qla24xx_beacon_off,
1811         .beacon_blink           = qla24xx_beacon_blink,
1812         .read_optrom            = qla24xx_read_optrom_data,
1813         .write_optrom           = qla24xx_write_optrom_data,
1814         .get_flash_version      = qla24xx_get_flash_version,
1815         .start_scsi             = qla24xx_start_scsi,
1816         .abort_isp              = qla2x00_abort_isp,
1817         .iospace_config         = qla2x00_iospace_config,
1818         .initialize_adapter     = qla2x00_initialize_adapter,
1819 };
1820
1821 static struct isp_operations qla25xx_isp_ops = {
1822         .pci_config             = qla25xx_pci_config,
1823         .reset_chip             = qla24xx_reset_chip,
1824         .chip_diag              = qla24xx_chip_diag,
1825         .config_rings           = qla24xx_config_rings,
1826         .reset_adapter          = qla24xx_reset_adapter,
1827         .nvram_config           = qla24xx_nvram_config,
1828         .update_fw_options      = qla24xx_update_fw_options,
1829         .load_risc              = qla24xx_load_risc,
1830         .pci_info_str           = qla24xx_pci_info_str,
1831         .fw_version_str         = qla24xx_fw_version_str,
1832         .intr_handler           = qla24xx_intr_handler,
1833         .enable_intrs           = qla24xx_enable_intrs,
1834         .disable_intrs          = qla24xx_disable_intrs,
1835         .abort_command          = qla24xx_abort_command,
1836         .target_reset           = qla24xx_abort_target,
1837         .lun_reset              = qla24xx_lun_reset,
1838         .fabric_login           = qla24xx_login_fabric,
1839         .fabric_logout          = qla24xx_fabric_logout,
1840         .calc_req_entries       = NULL,
1841         .build_iocbs            = NULL,
1842         .prep_ms_iocb           = qla24xx_prep_ms_iocb,
1843         .prep_ms_fdmi_iocb      = qla24xx_prep_ms_fdmi_iocb,
1844         .read_nvram             = qla25xx_read_nvram_data,
1845         .write_nvram            = qla25xx_write_nvram_data,
1846         .fw_dump                = qla25xx_fw_dump,
1847         .beacon_on              = qla24xx_beacon_on,
1848         .beacon_off             = qla24xx_beacon_off,
1849         .beacon_blink           = qla24xx_beacon_blink,
1850         .read_optrom            = qla25xx_read_optrom_data,
1851         .write_optrom           = qla24xx_write_optrom_data,
1852         .get_flash_version      = qla24xx_get_flash_version,
1853         .start_scsi             = qla24xx_dif_start_scsi,
1854         .abort_isp              = qla2x00_abort_isp,
1855         .iospace_config         = qla2x00_iospace_config,
1856         .initialize_adapter     = qla2x00_initialize_adapter,
1857 };
1858
1859 static struct isp_operations qla81xx_isp_ops = {
1860         .pci_config             = qla25xx_pci_config,
1861         .reset_chip             = qla24xx_reset_chip,
1862         .chip_diag              = qla24xx_chip_diag,
1863         .config_rings           = qla24xx_config_rings,
1864         .reset_adapter          = qla24xx_reset_adapter,
1865         .nvram_config           = qla81xx_nvram_config,
1866         .update_fw_options      = qla81xx_update_fw_options,
1867         .load_risc              = qla81xx_load_risc,
1868         .pci_info_str           = qla24xx_pci_info_str,
1869         .fw_version_str         = qla24xx_fw_version_str,
1870         .intr_handler           = qla24xx_intr_handler,
1871         .enable_intrs           = qla24xx_enable_intrs,
1872         .disable_intrs          = qla24xx_disable_intrs,
1873         .abort_command          = qla24xx_abort_command,
1874         .target_reset           = qla24xx_abort_target,
1875         .lun_reset              = qla24xx_lun_reset,
1876         .fabric_login           = qla24xx_login_fabric,
1877         .fabric_logout          = qla24xx_fabric_logout,
1878         .calc_req_entries       = NULL,
1879         .build_iocbs            = NULL,
1880         .prep_ms_iocb           = qla24xx_prep_ms_iocb,
1881         .prep_ms_fdmi_iocb      = qla24xx_prep_ms_fdmi_iocb,
1882         .read_nvram             = NULL,
1883         .write_nvram            = NULL,
1884         .fw_dump                = qla81xx_fw_dump,
1885         .beacon_on              = qla24xx_beacon_on,
1886         .beacon_off             = qla24xx_beacon_off,
1887         .beacon_blink           = qla83xx_beacon_blink,
1888         .read_optrom            = qla25xx_read_optrom_data,
1889         .write_optrom           = qla24xx_write_optrom_data,
1890         .get_flash_version      = qla24xx_get_flash_version,
1891         .start_scsi             = qla24xx_dif_start_scsi,
1892         .abort_isp              = qla2x00_abort_isp,
1893         .iospace_config         = qla2x00_iospace_config,
1894         .initialize_adapter     = qla2x00_initialize_adapter,
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           = qla24xx_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                = qla82xx_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      = qla82xx_get_flash_version,
1929         .start_scsi             = qla82xx_start_scsi,
1930         .abort_isp              = qla82xx_abort_isp,
1931         .iospace_config         = qla82xx_iospace_config,
1932         .initialize_adapter     = qla2x00_initialize_adapter,
1933 };
1934
1935 static struct isp_operations qla8044_isp_ops = {
1936         .pci_config             = qla82xx_pci_config,
1937         .reset_chip             = qla82xx_reset_chip,
1938         .chip_diag              = qla24xx_chip_diag,
1939         .config_rings           = qla82xx_config_rings,
1940         .reset_adapter          = qla24xx_reset_adapter,
1941         .nvram_config           = qla81xx_nvram_config,
1942         .update_fw_options      = qla24xx_update_fw_options,
1943         .load_risc              = qla82xx_load_risc,
1944         .pci_info_str           = qla24xx_pci_info_str,
1945         .fw_version_str         = qla24xx_fw_version_str,
1946         .intr_handler           = qla8044_intr_handler,
1947         .enable_intrs           = qla82xx_enable_intrs,
1948         .disable_intrs          = qla82xx_disable_intrs,
1949         .abort_command          = qla24xx_abort_command,
1950         .target_reset           = qla24xx_abort_target,
1951         .lun_reset              = qla24xx_lun_reset,
1952         .fabric_login           = qla24xx_login_fabric,
1953         .fabric_logout          = qla24xx_fabric_logout,
1954         .calc_req_entries       = NULL,
1955         .build_iocbs            = NULL,
1956         .prep_ms_iocb           = qla24xx_prep_ms_iocb,
1957         .prep_ms_fdmi_iocb      = qla24xx_prep_ms_fdmi_iocb,
1958         .read_nvram             = NULL,
1959         .write_nvram            = NULL,
1960         .fw_dump                = qla8044_fw_dump,
1961         .beacon_on              = qla82xx_beacon_on,
1962         .beacon_off             = qla82xx_beacon_off,
1963         .beacon_blink           = NULL,
1964         .read_optrom            = qla8044_read_optrom_data,
1965         .write_optrom           = qla8044_write_optrom_data,
1966         .get_flash_version      = qla82xx_get_flash_version,
1967         .start_scsi             = qla82xx_start_scsi,
1968         .abort_isp              = qla8044_abort_isp,
1969         .iospace_config         = qla82xx_iospace_config,
1970         .initialize_adapter     = qla2x00_initialize_adapter,
1971 };
1972
1973 static struct isp_operations qla83xx_isp_ops = {
1974         .pci_config             = qla25xx_pci_config,
1975         .reset_chip             = qla24xx_reset_chip,
1976         .chip_diag              = qla24xx_chip_diag,
1977         .config_rings           = qla24xx_config_rings,
1978         .reset_adapter          = qla24xx_reset_adapter,
1979         .nvram_config           = qla81xx_nvram_config,
1980         .update_fw_options      = qla81xx_update_fw_options,
1981         .load_risc              = qla81xx_load_risc,
1982         .pci_info_str           = qla24xx_pci_info_str,
1983         .fw_version_str         = qla24xx_fw_version_str,
1984         .intr_handler           = qla24xx_intr_handler,
1985         .enable_intrs           = qla24xx_enable_intrs,
1986         .disable_intrs          = qla24xx_disable_intrs,
1987         .abort_command          = qla24xx_abort_command,
1988         .target_reset           = qla24xx_abort_target,
1989         .lun_reset              = qla24xx_lun_reset,
1990         .fabric_login           = qla24xx_login_fabric,
1991         .fabric_logout          = qla24xx_fabric_logout,
1992         .calc_req_entries       = NULL,
1993         .build_iocbs            = NULL,
1994         .prep_ms_iocb           = qla24xx_prep_ms_iocb,
1995         .prep_ms_fdmi_iocb      = qla24xx_prep_ms_fdmi_iocb,
1996         .read_nvram             = NULL,
1997         .write_nvram            = NULL,
1998         .fw_dump                = qla83xx_fw_dump,
1999         .beacon_on              = qla24xx_beacon_on,
2000         .beacon_off             = qla24xx_beacon_off,
2001         .beacon_blink           = qla83xx_beacon_blink,
2002         .read_optrom            = qla25xx_read_optrom_data,
2003         .write_optrom           = qla24xx_write_optrom_data,
2004         .get_flash_version      = qla24xx_get_flash_version,
2005         .start_scsi             = qla24xx_dif_start_scsi,
2006         .abort_isp              = qla2x00_abort_isp,
2007         .iospace_config         = qla83xx_iospace_config,
2008         .initialize_adapter     = qla2x00_initialize_adapter,
2009 };
2010
2011 static struct isp_operations qlafx00_isp_ops = {
2012         .pci_config             = qlafx00_pci_config,
2013         .reset_chip             = qlafx00_soft_reset,
2014         .chip_diag              = qlafx00_chip_diag,
2015         .config_rings           = qlafx00_config_rings,
2016         .reset_adapter          = qlafx00_soft_reset,
2017         .nvram_config           = NULL,
2018         .update_fw_options      = NULL,
2019         .load_risc              = NULL,
2020         .pci_info_str           = qlafx00_pci_info_str,
2021         .fw_version_str         = qlafx00_fw_version_str,
2022         .intr_handler           = qlafx00_intr_handler,
2023         .enable_intrs           = qlafx00_enable_intrs,
2024         .disable_intrs          = qlafx00_disable_intrs,
2025         .abort_command          = qla24xx_async_abort_command,
2026         .target_reset           = qlafx00_abort_target,
2027         .lun_reset              = qlafx00_lun_reset,
2028         .fabric_login           = NULL,
2029         .fabric_logout          = NULL,
2030         .calc_req_entries       = NULL,
2031         .build_iocbs            = NULL,
2032         .prep_ms_iocb           = qla24xx_prep_ms_iocb,
2033         .prep_ms_fdmi_iocb      = qla24xx_prep_ms_fdmi_iocb,
2034         .read_nvram             = qla24xx_read_nvram_data,
2035         .write_nvram            = qla24xx_write_nvram_data,
2036         .fw_dump                = NULL,
2037         .beacon_on              = qla24xx_beacon_on,
2038         .beacon_off             = qla24xx_beacon_off,
2039         .beacon_blink           = NULL,
2040         .read_optrom            = qla24xx_read_optrom_data,
2041         .write_optrom           = qla24xx_write_optrom_data,
2042         .get_flash_version      = qla24xx_get_flash_version,
2043         .start_scsi             = qlafx00_start_scsi,
2044         .abort_isp              = qlafx00_abort_isp,
2045         .iospace_config         = qlafx00_iospace_config,
2046         .initialize_adapter     = qlafx00_initialize_adapter,
2047 };
2048
2049 static struct isp_operations qla27xx_isp_ops = {
2050         .pci_config             = qla25xx_pci_config,
2051         .reset_chip             = qla24xx_reset_chip,
2052         .chip_diag              = qla24xx_chip_diag,
2053         .config_rings           = qla24xx_config_rings,
2054         .reset_adapter          = qla24xx_reset_adapter,
2055         .nvram_config           = qla81xx_nvram_config,
2056         .update_fw_options      = qla81xx_update_fw_options,
2057         .load_risc              = qla81xx_load_risc,
2058         .pci_info_str           = qla24xx_pci_info_str,
2059         .fw_version_str         = qla24xx_fw_version_str,
2060         .intr_handler           = qla24xx_intr_handler,
2061         .enable_intrs           = qla24xx_enable_intrs,
2062         .disable_intrs          = qla24xx_disable_intrs,
2063         .abort_command          = qla24xx_abort_command,
2064         .target_reset           = qla24xx_abort_target,
2065         .lun_reset              = qla24xx_lun_reset,
2066         .fabric_login           = qla24xx_login_fabric,
2067         .fabric_logout          = qla24xx_fabric_logout,
2068         .calc_req_entries       = NULL,
2069         .build_iocbs            = NULL,
2070         .prep_ms_iocb           = qla24xx_prep_ms_iocb,
2071         .prep_ms_fdmi_iocb      = qla24xx_prep_ms_fdmi_iocb,
2072         .read_nvram             = NULL,
2073         .write_nvram            = NULL,
2074         .fw_dump                = qla27xx_fwdump,
2075         .beacon_on              = qla24xx_beacon_on,
2076         .beacon_off             = qla24xx_beacon_off,
2077         .beacon_blink           = qla83xx_beacon_blink,
2078         .read_optrom            = qla25xx_read_optrom_data,
2079         .write_optrom           = qla24xx_write_optrom_data,
2080         .get_flash_version      = qla24xx_get_flash_version,
2081         .start_scsi             = qla24xx_dif_start_scsi,
2082         .abort_isp              = qla2x00_abort_isp,
2083         .iospace_config         = qla83xx_iospace_config,
2084         .initialize_adapter     = qla2x00_initialize_adapter,
2085 };
2086
2087 static inline void
2088 qla2x00_set_isp_flags(struct qla_hw_data *ha)
2089 {
2090         ha->device_type = DT_EXTENDED_IDS;
2091         switch (ha->pdev->device) {
2092         case PCI_DEVICE_ID_QLOGIC_ISP2100:
2093                 ha->device_type |= DT_ISP2100;
2094                 ha->device_type &= ~DT_EXTENDED_IDS;
2095                 ha->fw_srisc_address = RISC_START_ADDRESS_2100;
2096                 break;
2097         case PCI_DEVICE_ID_QLOGIC_ISP2200:
2098                 ha->device_type |= DT_ISP2200;
2099                 ha->device_type &= ~DT_EXTENDED_IDS;
2100                 ha->fw_srisc_address = RISC_START_ADDRESS_2100;
2101                 break;
2102         case PCI_DEVICE_ID_QLOGIC_ISP2300:
2103                 ha->device_type |= DT_ISP2300;
2104                 ha->device_type |= DT_ZIO_SUPPORTED;
2105                 ha->fw_srisc_address = RISC_START_ADDRESS_2300;
2106                 break;
2107         case PCI_DEVICE_ID_QLOGIC_ISP2312:
2108                 ha->device_type |= DT_ISP2312;
2109                 ha->device_type |= DT_ZIO_SUPPORTED;
2110                 ha->fw_srisc_address = RISC_START_ADDRESS_2300;
2111                 break;
2112         case PCI_DEVICE_ID_QLOGIC_ISP2322:
2113                 ha->device_type |= DT_ISP2322;
2114                 ha->device_type |= DT_ZIO_SUPPORTED;
2115                 if (ha->pdev->subsystem_vendor == 0x1028 &&
2116                     ha->pdev->subsystem_device == 0x0170)
2117                         ha->device_type |= DT_OEM_001;
2118                 ha->fw_srisc_address = RISC_START_ADDRESS_2300;
2119                 break;
2120         case PCI_DEVICE_ID_QLOGIC_ISP6312:
2121                 ha->device_type |= DT_ISP6312;
2122                 ha->fw_srisc_address = RISC_START_ADDRESS_2300;
2123                 break;
2124         case PCI_DEVICE_ID_QLOGIC_ISP6322:
2125                 ha->device_type |= DT_ISP6322;
2126                 ha->fw_srisc_address = RISC_START_ADDRESS_2300;
2127                 break;
2128         case PCI_DEVICE_ID_QLOGIC_ISP2422:
2129                 ha->device_type |= DT_ISP2422;
2130                 ha->device_type |= DT_ZIO_SUPPORTED;
2131                 ha->device_type |= DT_FWI2;
2132                 ha->device_type |= DT_IIDMA;
2133                 ha->fw_srisc_address = RISC_START_ADDRESS_2400;
2134                 break;
2135         case PCI_DEVICE_ID_QLOGIC_ISP2432:
2136                 ha->device_type |= DT_ISP2432;
2137                 ha->device_type |= DT_ZIO_SUPPORTED;
2138                 ha->device_type |= DT_FWI2;
2139                 ha->device_type |= DT_IIDMA;
2140                 ha->fw_srisc_address = RISC_START_ADDRESS_2400;
2141                 break;
2142         case PCI_DEVICE_ID_QLOGIC_ISP8432:
2143                 ha->device_type |= DT_ISP8432;
2144                 ha->device_type |= DT_ZIO_SUPPORTED;
2145                 ha->device_type |= DT_FWI2;
2146                 ha->device_type |= DT_IIDMA;
2147                 ha->fw_srisc_address = RISC_START_ADDRESS_2400;
2148                 break;
2149         case PCI_DEVICE_ID_QLOGIC_ISP5422:
2150                 ha->device_type |= DT_ISP5422;
2151                 ha->device_type |= DT_FWI2;
2152                 ha->fw_srisc_address = RISC_START_ADDRESS_2400;
2153                 break;
2154         case PCI_DEVICE_ID_QLOGIC_ISP5432:
2155                 ha->device_type |= DT_ISP5432;
2156                 ha->device_type |= DT_FWI2;
2157                 ha->fw_srisc_address = RISC_START_ADDRESS_2400;
2158                 break;
2159         case PCI_DEVICE_ID_QLOGIC_ISP2532:
2160                 ha->device_type |= DT_ISP2532;
2161                 ha->device_type |= DT_ZIO_SUPPORTED;
2162                 ha->device_type |= DT_FWI2;
2163                 ha->device_type |= DT_IIDMA;
2164                 ha->fw_srisc_address = RISC_START_ADDRESS_2400;
2165                 break;
2166         case PCI_DEVICE_ID_QLOGIC_ISP8001:
2167                 ha->device_type |= DT_ISP8001;
2168                 ha->device_type |= DT_ZIO_SUPPORTED;
2169                 ha->device_type |= DT_FWI2;
2170                 ha->device_type |= DT_IIDMA;
2171                 ha->fw_srisc_address = RISC_START_ADDRESS_2400;
2172                 break;
2173         case PCI_DEVICE_ID_QLOGIC_ISP8021:
2174                 ha->device_type |= DT_ISP8021;
2175                 ha->device_type |= DT_ZIO_SUPPORTED;
2176                 ha->device_type |= DT_FWI2;
2177                 ha->fw_srisc_address = RISC_START_ADDRESS_2400;
2178                 /* Initialize 82XX ISP flags */
2179                 qla82xx_init_flags(ha);
2180                 break;
2181          case PCI_DEVICE_ID_QLOGIC_ISP8044:
2182                 ha->device_type |= DT_ISP8044;
2183                 ha->device_type |= DT_ZIO_SUPPORTED;
2184                 ha->device_type |= DT_FWI2;
2185                 ha->fw_srisc_address = RISC_START_ADDRESS_2400;
2186                 /* Initialize 82XX ISP flags */
2187                 qla82xx_init_flags(ha);
2188                 break;
2189         case PCI_DEVICE_ID_QLOGIC_ISP2031:
2190                 ha->device_type |= DT_ISP2031;
2191                 ha->device_type |= DT_ZIO_SUPPORTED;
2192                 ha->device_type |= DT_FWI2;
2193                 ha->device_type |= DT_IIDMA;
2194                 ha->device_type |= DT_T10_PI;
2195                 ha->fw_srisc_address = RISC_START_ADDRESS_2400;
2196                 break;
2197         case PCI_DEVICE_ID_QLOGIC_ISP8031:
2198                 ha->device_type |= DT_ISP8031;
2199                 ha->device_type |= DT_ZIO_SUPPORTED;
2200                 ha->device_type |= DT_FWI2;
2201                 ha->device_type |= DT_IIDMA;
2202                 ha->device_type |= DT_T10_PI;
2203                 ha->fw_srisc_address = RISC_START_ADDRESS_2400;
2204                 break;
2205         case PCI_DEVICE_ID_QLOGIC_ISPF001:
2206                 ha->device_type |= DT_ISPFX00;
2207                 break;
2208         case PCI_DEVICE_ID_QLOGIC_ISP2071:
2209                 ha->device_type |= DT_ISP2071;
2210                 ha->device_type |= DT_ZIO_SUPPORTED;
2211                 ha->device_type |= DT_FWI2;
2212                 ha->device_type |= DT_IIDMA;
2213                 ha->fw_srisc_address = RISC_START_ADDRESS_2400;
2214                 break;
2215         case PCI_DEVICE_ID_QLOGIC_ISP2271:
2216                 ha->device_type |= DT_ISP2271;
2217                 ha->device_type |= DT_ZIO_SUPPORTED;
2218                 ha->device_type |= DT_FWI2;
2219                 ha->device_type |= DT_IIDMA;
2220                 ha->fw_srisc_address = RISC_START_ADDRESS_2400;
2221                 break;
2222         }
2223
2224         if (IS_QLA82XX(ha))
2225                 ha->port_no = ha->portnum & 1;
2226         else {
2227                 /* Get adapter physical port no from interrupt pin register. */
2228                 pci_read_config_byte(ha->pdev, PCI_INTERRUPT_PIN, &ha->port_no);
2229                 if (IS_QLA27XX(ha))
2230                         ha->port_no--;
2231                 else
2232                         ha->port_no = !(ha->port_no & 1);
2233         }
2234
2235         ql_dbg_pci(ql_dbg_init, ha->pdev, 0x000b,
2236             "device_type=0x%x port=%d fw_srisc_address=0x%x.\n",
2237             ha->device_type, ha->port_no, ha->fw_srisc_address);
2238 }
2239
2240 static void
2241 qla2xxx_scan_start(struct Scsi_Host *shost)
2242 {
2243         scsi_qla_host_t *vha = shost_priv(shost);
2244
2245         if (vha->hw->flags.running_gold_fw)
2246                 return;
2247
2248         set_bit(LOOP_RESYNC_NEEDED, &vha->dpc_flags);
2249         set_bit(LOCAL_LOOP_UPDATE, &vha->dpc_flags);
2250         set_bit(RSCN_UPDATE, &vha->dpc_flags);
2251         set_bit(NPIV_CONFIG_NEEDED, &vha->dpc_flags);
2252 }
2253
2254 static int
2255 qla2xxx_scan_finished(struct Scsi_Host *shost, unsigned long time)
2256 {
2257         scsi_qla_host_t *vha = shost_priv(shost);
2258
2259         if (!vha->host)
2260                 return 1;
2261         if (time > vha->hw->loop_reset_delay * HZ)
2262                 return 1;
2263
2264         return atomic_read(&vha->loop_state) == LOOP_READY;
2265 }
2266
2267 /*
2268  * PCI driver interface
2269  */
2270 static int
2271 qla2x00_probe_one(struct pci_dev *pdev, const struct pci_device_id *id)
2272 {
2273         int     ret = -ENODEV;
2274         struct Scsi_Host *host;
2275         scsi_qla_host_t *base_vha = NULL;
2276         struct qla_hw_data *ha;
2277         char pci_info[30];
2278         char fw_str[30], wq_name[30];
2279         struct scsi_host_template *sht;
2280         int bars, mem_only = 0;
2281         uint16_t req_length = 0, rsp_length = 0;
2282         struct req_que *req = NULL;
2283         struct rsp_que *rsp = NULL;
2284         bars = pci_select_bars(pdev, IORESOURCE_MEM | IORESOURCE_IO);
2285         sht = &qla2xxx_driver_template;
2286         if (pdev->device == PCI_DEVICE_ID_QLOGIC_ISP2422 ||
2287             pdev->device == PCI_DEVICE_ID_QLOGIC_ISP2432 ||
2288             pdev->device == PCI_DEVICE_ID_QLOGIC_ISP8432 ||
2289             pdev->device == PCI_DEVICE_ID_QLOGIC_ISP5422 ||
2290             pdev->device == PCI_DEVICE_ID_QLOGIC_ISP5432 ||
2291             pdev->device == PCI_DEVICE_ID_QLOGIC_ISP2532 ||
2292             pdev->device == PCI_DEVICE_ID_QLOGIC_ISP8001 ||
2293             pdev->device == PCI_DEVICE_ID_QLOGIC_ISP8021 ||
2294             pdev->device == PCI_DEVICE_ID_QLOGIC_ISP2031 ||
2295             pdev->device == PCI_DEVICE_ID_QLOGIC_ISP8031 ||
2296             pdev->device == PCI_DEVICE_ID_QLOGIC_ISPF001 ||
2297             pdev->device == PCI_DEVICE_ID_QLOGIC_ISP8044 ||
2298             pdev->device == PCI_DEVICE_ID_QLOGIC_ISP2071 ||
2299             pdev->device == PCI_DEVICE_ID_QLOGIC_ISP2271) {
2300                 bars = pci_select_bars(pdev, IORESOURCE_MEM);
2301                 mem_only = 1;
2302                 ql_dbg_pci(ql_dbg_init, pdev, 0x0007,
2303                     "Mem only adapter.\n");
2304         }
2305         ql_dbg_pci(ql_dbg_init, pdev, 0x0008,
2306             "Bars=%d.\n", bars);
2307
2308         if (mem_only) {
2309                 if (pci_enable_device_mem(pdev))
2310                         goto probe_out;
2311         } else {
2312                 if (pci_enable_device(pdev))
2313                         goto probe_out;
2314         }
2315
2316         /* This may fail but that's ok */
2317         pci_enable_pcie_error_reporting(pdev);
2318
2319         ha = kzalloc(sizeof(struct qla_hw_data), GFP_KERNEL);
2320         if (!ha) {
2321                 ql_log_pci(ql_log_fatal, pdev, 0x0009,
2322                     "Unable to allocate memory for ha.\n");
2323                 goto probe_out;
2324         }
2325         ql_dbg_pci(ql_dbg_init, pdev, 0x000a,
2326             "Memory allocated for ha=%p.\n", ha);
2327         ha->pdev = pdev;
2328         ha->tgt.enable_class_2 = ql2xenableclass2;
2329         INIT_LIST_HEAD(&ha->tgt.q_full_list);
2330         spin_lock_init(&ha->tgt.q_full_lock);
2331
2332         /* Clear our data area */
2333         ha->bars = bars;
2334         ha->mem_only = mem_only;
2335         spin_lock_init(&ha->hardware_lock);
2336         spin_lock_init(&ha->vport_slock);
2337         mutex_init(&ha->selflogin_lock);
2338         mutex_init(&ha->optrom_mutex);
2339
2340         /* Set ISP-type information. */
2341         qla2x00_set_isp_flags(ha);
2342
2343         /* Set EEH reset type to fundamental if required by hba */
2344         if (IS_QLA24XX(ha) || IS_QLA25XX(ha) || IS_QLA81XX(ha) ||
2345             IS_QLA83XX(ha) || IS_QLA27XX(ha))
2346                 pdev->needs_freset = 1;
2347
2348         ha->prev_topology = 0;
2349         ha->init_cb_size = sizeof(init_cb_t);
2350         ha->link_data_rate = PORT_SPEED_UNKNOWN;
2351         ha->optrom_size = OPTROM_SIZE_2300;
2352
2353         /* Assign ISP specific operations. */
2354         if (IS_QLA2100(ha)) {
2355                 ha->max_fibre_devices = MAX_FIBRE_DEVICES_2100;
2356                 ha->mbx_count = MAILBOX_REGISTER_COUNT_2100;
2357                 req_length = REQUEST_ENTRY_CNT_2100;
2358                 rsp_length = RESPONSE_ENTRY_CNT_2100;
2359                 ha->max_loop_id = SNS_LAST_LOOP_ID_2100;
2360                 ha->gid_list_info_size = 4;
2361                 ha->flash_conf_off = ~0;
2362                 ha->flash_data_off = ~0;
2363                 ha->nvram_conf_off = ~0;
2364                 ha->nvram_data_off = ~0;
2365                 ha->isp_ops = &qla2100_isp_ops;
2366         } else if (IS_QLA2200(ha)) {
2367                 ha->max_fibre_devices = MAX_FIBRE_DEVICES_2100;
2368                 ha->mbx_count = MAILBOX_REGISTER_COUNT_2200;
2369                 req_length = REQUEST_ENTRY_CNT_2200;
2370                 rsp_length = RESPONSE_ENTRY_CNT_2100;
2371                 ha->max_loop_id = SNS_LAST_LOOP_ID_2100;
2372                 ha->gid_list_info_size = 4;
2373                 ha->flash_conf_off = ~0;
2374                 ha->flash_data_off = ~0;
2375                 ha->nvram_conf_off = ~0;
2376                 ha->nvram_data_off = ~0;
2377                 ha->isp_ops = &qla2100_isp_ops;
2378         } else if (IS_QLA23XX(ha)) {
2379                 ha->max_fibre_devices = MAX_FIBRE_DEVICES_2100;
2380                 ha->mbx_count = MAILBOX_REGISTER_COUNT;
2381                 req_length = REQUEST_ENTRY_CNT_2200;
2382                 rsp_length = RESPONSE_ENTRY_CNT_2300;
2383                 ha->max_loop_id = SNS_LAST_LOOP_ID_2300;
2384                 ha->gid_list_info_size = 6;
2385                 if (IS_QLA2322(ha) || IS_QLA6322(ha))
2386                         ha->optrom_size = OPTROM_SIZE_2322;
2387                 ha->flash_conf_off = ~0;
2388                 ha->flash_data_off = ~0;
2389                 ha->nvram_conf_off = ~0;
2390                 ha->nvram_data_off = ~0;
2391                 ha->isp_ops = &qla2300_isp_ops;
2392         } else if (IS_QLA24XX_TYPE(ha)) {
2393                 ha->max_fibre_devices = MAX_FIBRE_DEVICES_2400;
2394                 ha->mbx_count = MAILBOX_REGISTER_COUNT;
2395                 req_length = REQUEST_ENTRY_CNT_24XX;
2396                 rsp_length = RESPONSE_ENTRY_CNT_2300;
2397                 ha->tgt.atio_q_length = ATIO_ENTRY_CNT_24XX;
2398                 ha->max_loop_id = SNS_LAST_LOOP_ID_2300;
2399                 ha->init_cb_size = sizeof(struct mid_init_cb_24xx);
2400                 ha->gid_list_info_size = 8;
2401                 ha->optrom_size = OPTROM_SIZE_24XX;
2402                 ha->nvram_npiv_size = QLA_MAX_VPORTS_QLA24XX;
2403                 ha->isp_ops = &qla24xx_isp_ops;
2404                 ha->flash_conf_off = FARX_ACCESS_FLASH_CONF;
2405                 ha->flash_data_off = FARX_ACCESS_FLASH_DATA;
2406                 ha->nvram_conf_off = FARX_ACCESS_NVRAM_CONF;
2407                 ha->nvram_data_off = FARX_ACCESS_NVRAM_DATA;
2408         } else if (IS_QLA25XX(ha)) {
2409                 ha->max_fibre_devices = MAX_FIBRE_DEVICES_2400;
2410                 ha->mbx_count = MAILBOX_REGISTER_COUNT;
2411                 req_length = REQUEST_ENTRY_CNT_24XX;
2412                 rsp_length = RESPONSE_ENTRY_CNT_2300;
2413                 ha->tgt.atio_q_length = ATIO_ENTRY_CNT_24XX;
2414                 ha->max_loop_id = SNS_LAST_LOOP_ID_2300;
2415                 ha->init_cb_size = sizeof(struct mid_init_cb_24xx);
2416                 ha->gid_list_info_size = 8;
2417                 ha->optrom_size = OPTROM_SIZE_25XX;
2418                 ha->nvram_npiv_size = QLA_MAX_VPORTS_QLA25XX;
2419                 ha->isp_ops = &qla25xx_isp_ops;
2420                 ha->flash_conf_off = FARX_ACCESS_FLASH_CONF;
2421                 ha->flash_data_off = FARX_ACCESS_FLASH_DATA;
2422                 ha->nvram_conf_off = FARX_ACCESS_NVRAM_CONF;
2423                 ha->nvram_data_off = FARX_ACCESS_NVRAM_DATA;
2424         } else if (IS_QLA81XX(ha)) {
2425                 ha->max_fibre_devices = MAX_FIBRE_DEVICES_2400;
2426                 ha->mbx_count = MAILBOX_REGISTER_COUNT;
2427                 req_length = REQUEST_ENTRY_CNT_24XX;
2428                 rsp_length = RESPONSE_ENTRY_CNT_2300;
2429                 ha->tgt.atio_q_length = ATIO_ENTRY_CNT_24XX;
2430                 ha->max_loop_id = SNS_LAST_LOOP_ID_2300;
2431                 ha->init_cb_size = sizeof(struct mid_init_cb_81xx);
2432                 ha->gid_list_info_size = 8;
2433                 ha->optrom_size = OPTROM_SIZE_81XX;
2434                 ha->nvram_npiv_size = QLA_MAX_VPORTS_QLA25XX;
2435                 ha->isp_ops = &qla81xx_isp_ops;
2436                 ha->flash_conf_off = FARX_ACCESS_FLASH_CONF_81XX;
2437                 ha->flash_data_off = FARX_ACCESS_FLASH_DATA_81XX;
2438                 ha->nvram_conf_off = ~0;
2439                 ha->nvram_data_off = ~0;
2440         } else if (IS_QLA82XX(ha)) {
2441                 ha->max_fibre_devices = MAX_FIBRE_DEVICES_2400;
2442                 ha->mbx_count = MAILBOX_REGISTER_COUNT;
2443                 req_length = REQUEST_ENTRY_CNT_82XX;
2444                 rsp_length = RESPONSE_ENTRY_CNT_82XX;
2445                 ha->max_loop_id = SNS_LAST_LOOP_ID_2300;
2446                 ha->init_cb_size = sizeof(struct mid_init_cb_81xx);
2447                 ha->gid_list_info_size = 8;
2448                 ha->optrom_size = OPTROM_SIZE_82XX;
2449                 ha->nvram_npiv_size = QLA_MAX_VPORTS_QLA25XX;
2450                 ha->isp_ops = &qla82xx_isp_ops;
2451                 ha->flash_conf_off = FARX_ACCESS_FLASH_CONF;
2452                 ha->flash_data_off = FARX_ACCESS_FLASH_DATA;
2453                 ha->nvram_conf_off = FARX_ACCESS_NVRAM_CONF;
2454                 ha->nvram_data_off = FARX_ACCESS_NVRAM_DATA;
2455         } else if (IS_QLA8044(ha)) {
2456                 ha->max_fibre_devices = MAX_FIBRE_DEVICES_2400;
2457                 ha->mbx_count = MAILBOX_REGISTER_COUNT;
2458                 req_length = REQUEST_ENTRY_CNT_82XX;
2459                 rsp_length = RESPONSE_ENTRY_CNT_82XX;
2460                 ha->max_loop_id = SNS_LAST_LOOP_ID_2300;
2461                 ha->init_cb_size = sizeof(struct mid_init_cb_81xx);
2462                 ha->gid_list_info_size = 8;
2463                 ha->optrom_size = OPTROM_SIZE_83XX;
2464                 ha->nvram_npiv_size = QLA_MAX_VPORTS_QLA25XX;
2465                 ha->isp_ops = &qla8044_isp_ops;
2466                 ha->flash_conf_off = FARX_ACCESS_FLASH_CONF;
2467                 ha->flash_data_off = FARX_ACCESS_FLASH_DATA;
2468                 ha->nvram_conf_off = FARX_ACCESS_NVRAM_CONF;
2469                 ha->nvram_data_off = FARX_ACCESS_NVRAM_DATA;
2470         } else if (IS_QLA83XX(ha)) {
2471                 ha->portnum = PCI_FUNC(ha->pdev->devfn);
2472                 ha->max_fibre_devices = MAX_FIBRE_DEVICES_2400;
2473                 ha->mbx_count = MAILBOX_REGISTER_COUNT;
2474                 req_length = REQUEST_ENTRY_CNT_83XX;
2475                 rsp_length = RESPONSE_ENTRY_CNT_2300;
2476                 ha->tgt.atio_q_length = ATIO_ENTRY_CNT_24XX;
2477                 ha->max_loop_id = SNS_LAST_LOOP_ID_2300;
2478                 ha->init_cb_size = sizeof(struct mid_init_cb_81xx);
2479                 ha->gid_list_info_size = 8;
2480                 ha->optrom_size = OPTROM_SIZE_83XX;
2481                 ha->nvram_npiv_size = QLA_MAX_VPORTS_QLA25XX;
2482                 ha->isp_ops = &qla83xx_isp_ops;
2483                 ha->flash_conf_off = FARX_ACCESS_FLASH_CONF_81XX;
2484                 ha->flash_data_off = FARX_ACCESS_FLASH_DATA_81XX;
2485                 ha->nvram_conf_off = ~0;
2486                 ha->nvram_data_off = ~0;
2487         }  else if (IS_QLAFX00(ha)) {
2488                 ha->max_fibre_devices = MAX_FIBRE_DEVICES_FX00;
2489                 ha->mbx_count = MAILBOX_REGISTER_COUNT_FX00;
2490                 ha->aen_mbx_count = AEN_MAILBOX_REGISTER_COUNT_FX00;
2491                 req_length = REQUEST_ENTRY_CNT_FX00;
2492                 rsp_length = RESPONSE_ENTRY_CNT_FX00;
2493                 ha->isp_ops = &qlafx00_isp_ops;
2494                 ha->port_down_retry_count = 30; /* default value */
2495                 ha->mr.fw_hbt_cnt = QLAFX00_HEARTBEAT_INTERVAL;
2496                 ha->mr.fw_reset_timer_tick = QLAFX00_RESET_INTERVAL;
2497                 ha->mr.fw_critemp_timer_tick = QLAFX00_CRITEMP_INTERVAL;
2498                 ha->mr.fw_hbt_en = 1;
2499                 ha->mr.host_info_resend = false;
2500                 ha->mr.hinfo_resend_timer_tick = QLAFX00_HINFO_RESEND_INTERVAL;
2501         } else if (IS_QLA27XX(ha)) {
2502                 ha->portnum = PCI_FUNC(ha->pdev->devfn);
2503                 ha->max_fibre_devices = MAX_FIBRE_DEVICES_2400;
2504                 ha->mbx_count = MAILBOX_REGISTER_COUNT;
2505                 req_length = REQUEST_ENTRY_CNT_24XX;
2506                 rsp_length = RESPONSE_ENTRY_CNT_2300;
2507                 ha->max_loop_id = SNS_LAST_LOOP_ID_2300;
2508                 ha->init_cb_size = sizeof(struct mid_init_cb_81xx);
2509                 ha->gid_list_info_size = 8;
2510                 ha->optrom_size = OPTROM_SIZE_83XX;
2511                 ha->nvram_npiv_size = QLA_MAX_VPORTS_QLA25XX;
2512                 ha->isp_ops = &qla27xx_isp_ops;
2513                 ha->flash_conf_off = FARX_ACCESS_FLASH_CONF_81XX;
2514                 ha->flash_data_off = FARX_ACCESS_FLASH_DATA_81XX;
2515                 ha->nvram_conf_off = ~0;
2516                 ha->nvram_data_off = ~0;
2517         }
2518
2519         ql_dbg_pci(ql_dbg_init, pdev, 0x001e,
2520             "mbx_count=%d, req_length=%d, "
2521             "rsp_length=%d, max_loop_id=%d, init_cb_size=%d, "
2522             "gid_list_info_size=%d, optrom_size=%d, nvram_npiv_size=%d, "
2523             "max_fibre_devices=%d.\n",
2524             ha->mbx_count, req_length, rsp_length, ha->max_loop_id,
2525             ha->init_cb_size, ha->gid_list_info_size, ha->optrom_size,
2526             ha->nvram_npiv_size, ha->max_fibre_devices);
2527         ql_dbg_pci(ql_dbg_init, pdev, 0x001f,
2528             "isp_ops=%p, flash_conf_off=%d, "
2529             "flash_data_off=%d, nvram_conf_off=%d, nvram_data_off=%d.\n",
2530             ha->isp_ops, ha->flash_conf_off, ha->flash_data_off,
2531             ha->nvram_conf_off, ha->nvram_data_off);
2532
2533         /* Configure PCI I/O space */
2534         ret = ha->isp_ops->iospace_config(ha);
2535         if (ret)
2536                 goto iospace_config_failed;
2537
2538         ql_log_pci(ql_log_info, pdev, 0x001d,
2539             "Found an ISP%04X irq %d iobase 0x%p.\n",
2540             pdev->device, pdev->irq, ha->iobase);
2541         mutex_init(&ha->vport_lock);
2542         init_completion(&ha->mbx_cmd_comp);
2543         complete(&ha->mbx_cmd_comp);
2544         init_completion(&ha->mbx_intr_comp);
2545         init_completion(&ha->dcbx_comp);
2546         init_completion(&ha->lb_portup_comp);
2547
2548         set_bit(0, (unsigned long *) ha->vp_idx_map);
2549
2550         qla2x00_config_dma_addressing(ha);
2551         ql_dbg_pci(ql_dbg_init, pdev, 0x0020,
2552             "64 Bit addressing is %s.\n",
2553             ha->flags.enable_64bit_addressing ? "enable" :
2554             "disable");
2555         ret = qla2x00_mem_alloc(ha, req_length, rsp_length, &req, &rsp);
2556         if (ret) {
2557                 ql_log_pci(ql_log_fatal, pdev, 0x0031,
2558                     "Failed to allocate memory for adapter, aborting.\n");
2559
2560                 goto probe_hw_failed;
2561         }
2562
2563         req->max_q_depth = MAX_Q_DEPTH;
2564         if (ql2xmaxqdepth != 0 && ql2xmaxqdepth <= 0xffffU)
2565                 req->max_q_depth = ql2xmaxqdepth;
2566
2567
2568         base_vha = qla2x00_create_host(sht, ha);
2569         if (!base_vha) {
2570                 ret = -ENOMEM;
2571                 qla2x00_mem_free(ha);
2572                 qla2x00_free_req_que(ha, req);
2573                 qla2x00_free_rsp_que(ha, rsp);
2574                 goto probe_hw_failed;
2575         }
2576
2577         pci_set_drvdata(pdev, base_vha);
2578         set_bit(PFLG_DRIVER_PROBING, &base_vha->pci_flags);
2579
2580         host = base_vha->host;
2581         base_vha->req = req;
2582         if (IS_QLA2XXX_MIDTYPE(ha))
2583                 base_vha->mgmt_svr_loop_id = 10 + base_vha->vp_idx;
2584         else
2585                 base_vha->mgmt_svr_loop_id = MANAGEMENT_SERVER +
2586                                                 base_vha->vp_idx;
2587
2588         /* Setup fcport template structure. */
2589         ha->mr.fcport.vha = base_vha;
2590         ha->mr.fcport.port_type = FCT_UNKNOWN;
2591         ha->mr.fcport.loop_id = FC_NO_LOOP_ID;
2592         qla2x00_set_fcport_state(&ha->mr.fcport, FCS_UNCONFIGURED);
2593         ha->mr.fcport.supported_classes = FC_COS_UNSPECIFIED;
2594         ha->mr.fcport.scan_state = 1;
2595
2596         /* Set the SG table size based on ISP type */
2597         if (!IS_FWI2_CAPABLE(ha)) {
2598                 if (IS_QLA2100(ha))
2599                         host->sg_tablesize = 32;
2600         } else {
2601                 if (!IS_QLA82XX(ha))
2602                         host->sg_tablesize = QLA_SG_ALL;
2603         }
2604         host->max_id = ha->max_fibre_devices;
2605         host->cmd_per_lun = 3;
2606         host->unique_id = host->host_no;
2607         if (IS_T10_PI_CAPABLE(ha) && ql2xenabledif)
2608                 host->max_cmd_len = 32;
2609         else
2610                 host->max_cmd_len = MAX_CMDSZ;
2611         host->max_channel = MAX_BUSES - 1;
2612         /* Older HBAs support only 16-bit LUNs */
2613         if (!IS_QLAFX00(ha) && !IS_FWI2_CAPABLE(ha) &&
2614             ql2xmaxlun > 0xffff)
2615                 host->max_lun = 0xffff;
2616         else
2617                 host->max_lun = ql2xmaxlun;
2618         host->transportt = qla2xxx_transport_template;
2619         sht->vendor_id = (SCSI_NL_VID_TYPE_PCI | PCI_VENDOR_ID_QLOGIC);
2620
2621         ql_dbg(ql_dbg_init, base_vha, 0x0033,
2622             "max_id=%d this_id=%d "
2623             "cmd_per_len=%d unique_id=%d max_cmd_len=%d max_channel=%d "
2624             "max_lun=%llu transportt=%p, vendor_id=%llu.\n", host->max_id,
2625             host->this_id, host->cmd_per_lun, host->unique_id,
2626             host->max_cmd_len, host->max_channel, host->max_lun,
2627             host->transportt, sht->vendor_id);
2628
2629 que_init:
2630         /* Alloc arrays of request and response ring ptrs */
2631         if (!qla2x00_alloc_queues(ha, req, rsp)) {
2632                 ql_log(ql_log_fatal, base_vha, 0x003d,
2633                     "Failed to allocate memory for queue pointers..."
2634                     "aborting.\n");
2635                 goto probe_init_failed;
2636         }
2637
2638         qlt_probe_one_stage1(base_vha, ha);
2639
2640         /* Set up the irqs */
2641         ret = qla2x00_request_irqs(ha, rsp);
2642         if (ret)
2643                 goto probe_init_failed;
2644
2645         pci_save_state(pdev);
2646
2647         /* Assign back pointers */
2648         rsp->req = req;
2649         req->rsp = rsp;
2650
2651         if (IS_QLAFX00(ha)) {
2652                 ha->rsp_q_map[0] = rsp;
2653                 ha->req_q_map[0] = req;
2654                 set_bit(0, ha->req_qid_map);
2655                 set_bit(0, ha->rsp_qid_map);
2656         }
2657
2658         /* FWI2-capable only. */
2659         req->req_q_in = &ha->iobase->isp24.req_q_in;
2660         req->req_q_out = &ha->iobase->isp24.req_q_out;
2661         rsp->rsp_q_in = &ha->iobase->isp24.rsp_q_in;
2662         rsp->rsp_q_out = &ha->iobase->isp24.rsp_q_out;
2663         if (ha->mqenable || IS_QLA83XX(ha) || IS_QLA27XX(ha)) {
2664                 req->req_q_in = &ha->mqiobase->isp25mq.req_q_in;
2665                 req->req_q_out = &ha->mqiobase->isp25mq.req_q_out;
2666                 rsp->rsp_q_in = &ha->mqiobase->isp25mq.rsp_q_in;
2667                 rsp->rsp_q_out =  &ha->mqiobase->isp25mq.rsp_q_out;
2668         }
2669
2670         if (IS_QLAFX00(ha)) {
2671                 req->req_q_in = &ha->iobase->ispfx00.req_q_in;
2672                 req->req_q_out = &ha->iobase->ispfx00.req_q_out;
2673                 rsp->rsp_q_in = &ha->iobase->ispfx00.rsp_q_in;
2674                 rsp->rsp_q_out = &ha->iobase->ispfx00.rsp_q_out;
2675         }
2676
2677         if (IS_P3P_TYPE(ha)) {
2678                 req->req_q_out = &ha->iobase->isp82.req_q_out[0];
2679                 rsp->rsp_q_in = &ha->iobase->isp82.rsp_q_in[0];
2680                 rsp->rsp_q_out = &ha->iobase->isp82.rsp_q_out[0];
2681         }
2682
2683         ql_dbg(ql_dbg_multiq, base_vha, 0xc009,
2684             "rsp_q_map=%p req_q_map=%p rsp->req=%p req->rsp=%p.\n",
2685             ha->rsp_q_map, ha->req_q_map, rsp->req, req->rsp);
2686         ql_dbg(ql_dbg_multiq, base_vha, 0xc00a,
2687             "req->req_q_in=%p req->req_q_out=%p "
2688             "rsp->rsp_q_in=%p rsp->rsp_q_out=%p.\n",
2689             req->req_q_in, req->req_q_out,
2690             rsp->rsp_q_in, rsp->rsp_q_out);
2691         ql_dbg(ql_dbg_init, base_vha, 0x003e,
2692             "rsp_q_map=%p req_q_map=%p rsp->req=%p req->rsp=%p.\n",
2693             ha->rsp_q_map, ha->req_q_map, rsp->req, req->rsp);
2694         ql_dbg(ql_dbg_init, base_vha, 0x003f,
2695             "req->req_q_in=%p req->req_q_out=%p rsp->rsp_q_in=%p rsp->rsp_q_out=%p.\n",
2696             req->req_q_in, req->req_q_out, rsp->rsp_q_in, rsp->rsp_q_out);
2697
2698         if (ha->isp_ops->initialize_adapter(base_vha)) {
2699                 ql_log(ql_log_fatal, base_vha, 0x00d6,
2700                     "Failed to initialize adapter - Adapter flags %x.\n",
2701                     base_vha->device_flags);
2702
2703                 if (IS_QLA82XX(ha)) {
2704                         qla82xx_idc_lock(ha);
2705                         qla82xx_wr_32(ha, QLA82XX_CRB_DEV_STATE,
2706                                 QLA8XXX_DEV_FAILED);
2707                         qla82xx_idc_unlock(ha);
2708                         ql_log(ql_log_fatal, base_vha, 0x00d7,
2709                             "HW State: FAILED.\n");
2710                 } else if (IS_QLA8044(ha)) {
2711                         qla8044_idc_lock(ha);
2712                         qla8044_wr_direct(base_vha,
2713                                 QLA8044_CRB_DEV_STATE_INDEX,
2714                                 QLA8XXX_DEV_FAILED);
2715                         qla8044_idc_unlock(ha);
2716                         ql_log(ql_log_fatal, base_vha, 0x0150,
2717                             "HW State: FAILED.\n");
2718                 }
2719
2720                 ret = -ENODEV;
2721                 goto probe_failed;
2722         }
2723
2724         if (IS_QLAFX00(ha))
2725                 host->can_queue = QLAFX00_MAX_CANQUEUE;
2726         else
2727                 host->can_queue = req->num_outstanding_cmds - 10;
2728
2729         ql_dbg(ql_dbg_init, base_vha, 0x0032,
2730             "can_queue=%d, req=%p, mgmt_svr_loop_id=%d, sg_tablesize=%d.\n",
2731             host->can_queue, base_vha->req,
2732             base_vha->mgmt_svr_loop_id, host->sg_tablesize);
2733
2734         if (ha->mqenable) {
2735                 if (qla25xx_setup_mode(base_vha)) {
2736                         ql_log(ql_log_warn, base_vha, 0x00ec,
2737                             "Failed to create queues, falling back to single queue mode.\n");
2738                         goto que_init;
2739                 }
2740         }
2741
2742         if (ha->flags.running_gold_fw)
2743                 goto skip_dpc;
2744
2745         /*
2746          * Startup the kernel thread for this host adapter
2747          */
2748         ha->dpc_thread = kthread_create(qla2x00_do_dpc, ha,
2749             "%s_dpc", base_vha->host_str);
2750         if (IS_ERR(ha->dpc_thread)) {
2751                 ql_log(ql_log_fatal, base_vha, 0x00ed,
2752                     "Failed to start DPC thread.\n");
2753                 ret = PTR_ERR(ha->dpc_thread);
2754                 goto probe_failed;
2755         }
2756         ql_dbg(ql_dbg_init, base_vha, 0x00ee,
2757             "DPC thread started successfully.\n");
2758
2759         /*
2760          * If we're not coming up in initiator mode, we might sit for
2761          * a while without waking up the dpc thread, which leads to a
2762          * stuck process warning.  So just kick the dpc once here and
2763          * let the kthread start (and go back to sleep in qla2x00_do_dpc).
2764          */
2765         qla2xxx_wake_dpc(base_vha);
2766
2767         INIT_WORK(&ha->board_disable, qla2x00_disable_board_on_pci_error);
2768
2769         if (IS_QLA8031(ha) || IS_MCTP_CAPABLE(ha)) {
2770                 sprintf(wq_name, "qla2xxx_%lu_dpc_lp_wq", base_vha->host_no);
2771                 ha->dpc_lp_wq = create_singlethread_workqueue(wq_name);
2772                 INIT_WORK(&ha->idc_aen, qla83xx_service_idc_aen);
2773
2774                 sprintf(wq_name, "qla2xxx_%lu_dpc_hp_wq", base_vha->host_no);
2775                 ha->dpc_hp_wq = create_singlethread_workqueue(wq_name);
2776                 INIT_WORK(&ha->nic_core_reset, qla83xx_nic_core_reset_work);
2777                 INIT_WORK(&ha->idc_state_handler,
2778                     qla83xx_idc_state_handler_work);
2779                 INIT_WORK(&ha->nic_core_unrecoverable,
2780                     qla83xx_nic_core_unrecoverable_work);
2781         }
2782
2783 skip_dpc:
2784         list_add_tail(&base_vha->list, &ha->vp_list);
2785         base_vha->host->irq = ha->pdev->irq;
2786
2787         /* Initialized the timer */
2788         qla2x00_start_timer(base_vha, qla2x00_timer, WATCH_INTERVAL);
2789         ql_dbg(ql_dbg_init, base_vha, 0x00ef,
2790             "Started qla2x00_timer with "
2791             "interval=%d.\n", WATCH_INTERVAL);
2792         ql_dbg(ql_dbg_init, base_vha, 0x00f0,
2793             "Detected hba at address=%p.\n",
2794             ha);
2795
2796         if (IS_T10_PI_CAPABLE(ha) && ql2xenabledif) {
2797                 if (ha->fw_attributes & BIT_4) {
2798                         int prot = 0, guard;
2799                         base_vha->flags.difdix_supported = 1;
2800                         ql_dbg(ql_dbg_init, base_vha, 0x00f1,
2801                             "Registering for DIF/DIX type 1 and 3 protection.\n");
2802                         if (ql2xenabledif == 1)
2803                                 prot = SHOST_DIX_TYPE0_PROTECTION;
2804                         scsi_host_set_prot(host,
2805                             prot | SHOST_DIF_TYPE1_PROTECTION
2806                             | SHOST_DIF_TYPE2_PROTECTION
2807                             | SHOST_DIF_TYPE3_PROTECTION
2808                             | SHOST_DIX_TYPE1_PROTECTION
2809                             | SHOST_DIX_TYPE2_PROTECTION
2810                             | SHOST_DIX_TYPE3_PROTECTION);
2811
2812                         guard = SHOST_DIX_GUARD_CRC;
2813
2814                         if (IS_PI_IPGUARD_CAPABLE(ha) &&
2815                             (ql2xenabledif > 1 || IS_PI_DIFB_DIX0_CAPABLE(ha)))
2816                                 guard |= SHOST_DIX_GUARD_IP;
2817
2818                         scsi_host_set_guard(host, guard);
2819                 } else
2820                         base_vha->flags.difdix_supported = 0;
2821         }
2822
2823         ha->isp_ops->enable_intrs(ha);
2824
2825         if (IS_QLAFX00(ha)) {
2826                 ret = qlafx00_fx_disc(base_vha,
2827                         &base_vha->hw->mr.fcport, FXDISC_GET_CONFIG_INFO);
2828                 host->sg_tablesize = (ha->mr.extended_io_enabled) ?
2829                     QLA_SG_ALL : 128;
2830         }
2831
2832         ret = scsi_add_host(host, &pdev->dev);
2833         if (ret)
2834                 goto probe_failed;
2835
2836         base_vha->flags.init_done = 1;
2837         base_vha->flags.online = 1;
2838         ha->prev_minidump_failed = 0;
2839
2840         ql_dbg(ql_dbg_init, base_vha, 0x00f2,
2841             "Init done and hba is online.\n");
2842
2843         if (qla_ini_mode_enabled(base_vha))
2844                 scsi_scan_host(host);
2845         else
2846                 ql_dbg(ql_dbg_init, base_vha, 0x0122,
2847                         "skipping scsi_scan_host() for non-initiator port\n");
2848
2849         qla2x00_alloc_sysfs_attr(base_vha);
2850
2851         if (IS_QLAFX00(ha)) {
2852                 ret = qlafx00_fx_disc(base_vha,
2853                         &base_vha->hw->mr.fcport, FXDISC_GET_PORT_INFO);
2854
2855                 /* Register system information */
2856                 ret =  qlafx00_fx_disc(base_vha,
2857                         &base_vha->hw->mr.fcport, FXDISC_REG_HOST_INFO);
2858         }
2859
2860         qla2x00_init_host_attr(base_vha);
2861
2862         qla2x00_dfs_setup(base_vha);
2863
2864         ql_log(ql_log_info, base_vha, 0x00fb,
2865             "QLogic %s - %s.\n", ha->model_number, ha->model_desc);
2866         ql_log(ql_log_info, base_vha, 0x00fc,
2867             "ISP%04X: %s @ %s hdma%c host#=%ld fw=%s.\n",
2868             pdev->device, ha->isp_ops->pci_info_str(base_vha, pci_info),
2869             pci_name(pdev), ha->flags.enable_64bit_addressing ? '+' : '-',
2870             base_vha->host_no,
2871             ha->isp_ops->fw_version_str(base_vha, fw_str, sizeof(fw_str)));
2872
2873         qlt_add_target(ha, base_vha);
2874
2875         clear_bit(PFLG_DRIVER_PROBING, &base_vha->pci_flags);
2876         return 0;
2877
2878 probe_init_failed:
2879         qla2x00_free_req_que(ha, req);
2880         ha->req_q_map[0] = NULL;
2881         clear_bit(0, ha->req_qid_map);
2882         qla2x00_free_rsp_que(ha, rsp);
2883         ha->rsp_q_map[0] = NULL;
2884         clear_bit(0, ha->rsp_qid_map);
2885         ha->max_req_queues = ha->max_rsp_queues = 0;
2886
2887 probe_failed:
2888         if (base_vha->timer_active)
2889                 qla2x00_stop_timer(base_vha);
2890         base_vha->flags.online = 0;
2891         if (ha->dpc_thread) {
2892                 struct task_struct *t = ha->dpc_thread;
2893
2894                 ha->dpc_thread = NULL;
2895                 kthread_stop(t);
2896         }
2897
2898         qla2x00_free_device(base_vha);
2899
2900         scsi_host_put(base_vha->host);
2901
2902 probe_hw_failed:
2903         qla2x00_clear_drv_active(ha);
2904
2905 iospace_config_failed:
2906         if (IS_P3P_TYPE(ha)) {
2907                 if (!ha->nx_pcibase)
2908                         iounmap((device_reg_t *)ha->nx_pcibase);
2909                 if (!ql2xdbwr)
2910                         iounmap((device_reg_t *)ha->nxdb_wr_ptr);
2911         } else {
2912                 if (ha->iobase)
2913                         iounmap(ha->iobase);
2914                 if (ha->cregbase)
2915                         iounmap(ha->cregbase);
2916         }
2917         pci_release_selected_regions(ha->pdev, ha->bars);
2918         kfree(ha);
2919         ha = NULL;
2920
2921 probe_out:
2922         pci_disable_device(pdev);
2923         return ret;
2924 }
2925
2926 static void
2927 qla2x00_shutdown(struct pci_dev *pdev)
2928 {
2929         scsi_qla_host_t *vha;
2930         struct qla_hw_data  *ha;
2931
2932         if (!atomic_read(&pdev->enable_cnt))
2933                 return;
2934
2935         vha = pci_get_drvdata(pdev);
2936         ha = vha->hw;
2937
2938         /* Notify ISPFX00 firmware */
2939         if (IS_QLAFX00(ha))
2940                 qlafx00_driver_shutdown(vha, 20);
2941
2942         /* Turn-off FCE trace */
2943         if (ha->flags.fce_enabled) {
2944                 qla2x00_disable_fce_trace(vha, NULL, NULL);
2945                 ha->flags.fce_enabled = 0;
2946         }
2947
2948         /* Turn-off EFT trace */
2949         if (ha->eft)
2950                 qla2x00_disable_eft_trace(vha);
2951
2952         /* Stop currently executing firmware. */
2953         qla2x00_try_to_stop_firmware(vha);
2954
2955         /* Turn adapter off line */
2956         vha->flags.online = 0;
2957
2958         /* turn-off interrupts on the card */
2959         if (ha->interrupts_on) {
2960                 vha->flags.init_done = 0;
2961                 ha->isp_ops->disable_intrs(ha);
2962         }
2963
2964         qla2x00_free_irqs(vha);
2965
2966         qla2x00_free_fw_dump(ha);
2967
2968         pci_disable_pcie_error_reporting(pdev);
2969         pci_disable_device(pdev);
2970 }
2971
2972 /* Deletes all the virtual ports for a given ha */
2973 static void
2974 qla2x00_delete_all_vps(struct qla_hw_data *ha, scsi_qla_host_t *base_vha)
2975 {
2976         scsi_qla_host_t *vha;
2977         unsigned long flags;
2978
2979         mutex_lock(&ha->vport_lock);
2980         while (ha->cur_vport_count) {
2981                 spin_lock_irqsave(&ha->vport_slock, flags);
2982
2983                 BUG_ON(base_vha->list.next == &ha->vp_list);
2984                 /* This assumes first entry in ha->vp_list is always base vha */
2985                 vha = list_first_entry(&base_vha->list, scsi_qla_host_t, list);
2986                 scsi_host_get(vha->host);
2987
2988                 spin_unlock_irqrestore(&ha->vport_slock, flags);
2989                 mutex_unlock(&ha->vport_lock);
2990
2991                 fc_vport_terminate(vha->fc_vport);
2992                 scsi_host_put(vha->host);
2993
2994                 mutex_lock(&ha->vport_lock);
2995         }
2996         mutex_unlock(&ha->vport_lock);
2997 }
2998
2999 /* Stops all deferred work threads */
3000 static void
3001 qla2x00_destroy_deferred_work(struct qla_hw_data *ha)
3002 {
3003         /* Flush the work queue and remove it */
3004         if (ha->wq) {
3005                 flush_workqueue(ha->wq);
3006                 destroy_workqueue(ha->wq);
3007                 ha->wq = NULL;
3008         }
3009
3010         /* Cancel all work and destroy DPC workqueues */
3011         if (ha->dpc_lp_wq) {
3012                 cancel_work_sync(&ha->idc_aen);
3013                 destroy_workqueue(ha->dpc_lp_wq);
3014                 ha->dpc_lp_wq = NULL;
3015         }
3016
3017         if (ha->dpc_hp_wq) {
3018                 cancel_work_sync(&ha->nic_core_reset);
3019                 cancel_work_sync(&ha->idc_state_handler);
3020                 cancel_work_sync(&ha->nic_core_unrecoverable);
3021                 destroy_workqueue(ha->dpc_hp_wq);
3022                 ha->dpc_hp_wq = NULL;
3023         }
3024
3025         /* Kill the kernel thread for this host */
3026         if (ha->dpc_thread) {
3027                 struct task_struct *t = ha->dpc_thread;
3028
3029                 /*
3030                  * qla2xxx_wake_dpc checks for ->dpc_thread
3031                  * so we need to zero it out.
3032                  */
3033                 ha->dpc_thread = NULL;
3034                 kthread_stop(t);
3035         }
3036 }
3037
3038 static void
3039 qla2x00_unmap_iobases(struct qla_hw_data *ha)
3040 {
3041         if (IS_QLA82XX(ha)) {
3042
3043                 iounmap((device_reg_t *)ha->nx_pcibase);
3044                 if (!ql2xdbwr)
3045                         iounmap((device_reg_t *)ha->nxdb_wr_ptr);
3046         } else {
3047                 if (ha->iobase)
3048                         iounmap(ha->iobase);
3049
3050                 if (ha->cregbase)
3051                         iounmap(ha->cregbase);
3052
3053                 if (ha->mqiobase)
3054                         iounmap(ha->mqiobase);
3055
3056                 if ((IS_QLA83XX(ha) || IS_QLA27XX(ha)) && ha->msixbase)
3057                         iounmap(ha->msixbase);
3058         }
3059 }
3060
3061 static void
3062 qla2x00_clear_drv_active(struct qla_hw_data *ha)
3063 {
3064         if (IS_QLA8044(ha)) {
3065                 qla8044_idc_lock(ha);
3066                 qla8044_clear_drv_active(ha);
3067                 qla8044_idc_unlock(ha);
3068         } else if (IS_QLA82XX(ha)) {
3069                 qla82xx_idc_lock(ha);
3070                 qla82xx_clear_drv_active(ha);
3071                 qla82xx_idc_unlock(ha);
3072         }
3073 }
3074
3075 static void
3076 qla2x00_remove_one(struct pci_dev *pdev)
3077 {
3078         scsi_qla_host_t *base_vha;
3079         struct qla_hw_data  *ha;
3080
3081         base_vha = pci_get_drvdata(pdev);
3082         ha = base_vha->hw;
3083
3084         /* Indicate device removal to prevent future board_disable and wait
3085          * until any pending board_disable has completed. */
3086         set_bit(PFLG_DRIVER_REMOVING, &base_vha->pci_flags);
3087         cancel_work_sync(&ha->board_disable);
3088
3089         /*
3090          * If the PCI device is disabled then there was a PCI-disconnect and
3091          * qla2x00_disable_board_on_pci_error has taken care of most of the
3092          * resources.
3093          */
3094         if (!atomic_read(&pdev->enable_cnt)) {
3095                 scsi_host_put(base_vha->host);
3096                 kfree(ha);
3097                 pci_set_drvdata(pdev, NULL);
3098                 return;
3099         }
3100
3101         qla2x00_wait_for_hba_ready(base_vha);
3102
3103         set_bit(UNLOADING, &base_vha->dpc_flags);
3104
3105         if (IS_QLAFX00(ha))
3106                 qlafx00_driver_shutdown(base_vha, 20);
3107
3108         qla2x00_delete_all_vps(ha, base_vha);
3109
3110         if (IS_QLA8031(ha)) {
3111                 ql_dbg(ql_dbg_p3p, base_vha, 0xb07e,
3112                     "Clearing fcoe driver presence.\n");
3113                 if (qla83xx_clear_drv_presence(base_vha) != QLA_SUCCESS)
3114                         ql_dbg(ql_dbg_p3p, base_vha, 0xb079,
3115                             "Error while clearing DRV-Presence.\n");
3116         }
3117
3118         qla2x00_abort_all_cmds(base_vha, DID_NO_CONNECT << 16);
3119
3120         qla2x00_dfs_remove(base_vha);
3121
3122         qla84xx_put_chip(base_vha);
3123
3124         /* Laser should be disabled only for ISP2031 */
3125         if (IS_QLA2031(ha))
3126                 qla83xx_disable_laser(base_vha);
3127
3128         /* Disable timer */
3129         if (base_vha->timer_active)
3130                 qla2x00_stop_timer(base_vha);
3131
3132         base_vha->flags.online = 0;
3133
3134         qla2x00_destroy_deferred_work(ha);
3135
3136         qlt_remove_target(ha, base_vha);
3137
3138         qla2x00_free_sysfs_attr(base_vha, true);
3139
3140         fc_remove_host(base_vha->host);
3141
3142         scsi_remove_host(base_vha->host);
3143
3144         qla2x00_free_device(base_vha);
3145
3146         qla2x00_clear_drv_active(ha);
3147
3148         scsi_host_put(base_vha->host);
3149
3150         qla2x00_unmap_iobases(ha);
3151
3152         pci_release_selected_regions(ha->pdev, ha->bars);
3153         kfree(ha);
3154         ha = NULL;
3155
3156         pci_disable_pcie_error_reporting(pdev);
3157
3158         pci_disable_device(pdev);
3159 }
3160
3161 static void
3162 qla2x00_free_device(scsi_qla_host_t *vha)
3163 {
3164         struct qla_hw_data *ha = vha->hw;
3165
3166         qla2x00_abort_all_cmds(vha, DID_NO_CONNECT << 16);
3167
3168         /* Disable timer */
3169         if (vha->timer_active)
3170                 qla2x00_stop_timer(vha);
3171
3172         qla25xx_delete_queues(vha);
3173
3174         if (ha->flags.fce_enabled)
3175                 qla2x00_disable_fce_trace(vha, NULL, NULL);
3176
3177         if (ha->eft)
3178                 qla2x00_disable_eft_trace(vha);
3179
3180         /* Stop currently executing firmware. */
3181         qla2x00_try_to_stop_firmware(vha);
3182
3183         vha->flags.online = 0;
3184
3185         /* turn-off interrupts on the card */
3186         if (ha->interrupts_on) {
3187                 vha->flags.init_done = 0;
3188                 ha->isp_ops->disable_intrs(ha);
3189         }
3190
3191         qla2x00_free_irqs(vha);
3192
3193         qla2x00_free_fcports(vha);
3194
3195         qla2x00_mem_free(ha);
3196
3197         qla82xx_md_free(vha);
3198
3199         qla2x00_free_queues(ha);
3200 }
3201
3202 void qla2x00_free_fcports(struct scsi_qla_host *vha)
3203 {
3204         fc_port_t *fcport, *tfcport;
3205
3206         list_for_each_entry_safe(fcport, tfcport, &vha->vp_fcports, list) {
3207                 list_del(&fcport->list);
3208                 qla2x00_clear_loop_id(fcport);
3209                 kfree(fcport);
3210                 fcport = NULL;
3211         }
3212 }
3213
3214 static inline void
3215 qla2x00_schedule_rport_del(struct scsi_qla_host *vha, fc_port_t *fcport,
3216     int defer)
3217 {
3218         struct fc_rport *rport;
3219         scsi_qla_host_t *base_vha;
3220         unsigned long flags;
3221
3222         if (!fcport->rport)
3223                 return;
3224
3225         rport = fcport->rport;
3226         if (defer) {
3227                 base_vha = pci_get_drvdata(vha->hw->pdev);
3228                 spin_lock_irqsave(vha->host->host_lock, flags);
3229                 fcport->drport = rport;
3230                 spin_unlock_irqrestore(vha->host->host_lock, flags);
3231                 set_bit(FCPORT_UPDATE_NEEDED, &base_vha->dpc_flags);
3232                 qla2xxx_wake_dpc(base_vha);
3233         } else {
3234                 fc_remote_port_delete(rport);
3235                 qlt_fc_port_deleted(vha, fcport);
3236         }
3237 }
3238
3239 /*
3240  * qla2x00_mark_device_lost Updates fcport state when device goes offline.
3241  *
3242  * Input: ha = adapter block pointer.  fcport = port structure pointer.
3243  *
3244  * Return: None.
3245  *
3246  * Context:
3247  */
3248 void qla2x00_mark_device_lost(scsi_qla_host_t *vha, fc_port_t *fcport,
3249     int do_login, int defer)
3250 {
3251         if (IS_QLAFX00(vha->hw)) {
3252                 qla2x00_set_fcport_state(fcport, FCS_DEVICE_LOST);
3253                 qla2x00_schedule_rport_del(vha, fcport, defer);
3254                 return;
3255         }
3256
3257         if (atomic_read(&fcport->state) == FCS_ONLINE &&
3258             vha->vp_idx == fcport->vha->vp_idx) {
3259                 qla2x00_set_fcport_state(fcport, FCS_DEVICE_LOST);
3260                 qla2x00_schedule_rport_del(vha, fcport, defer);
3261         }
3262         /*
3263          * We may need to retry the login, so don't change the state of the
3264          * port but do the retries.
3265          */
3266         if (atomic_read(&fcport->state) != FCS_DEVICE_DEAD)
3267                 qla2x00_set_fcport_state(fcport, FCS_DEVICE_LOST);
3268
3269         if (!do_login)
3270                 return;
3271
3272         if (fcport->login_retry == 0) {
3273                 fcport->login_retry = vha->hw->login_retry_count;
3274                 set_bit(RELOGIN_NEEDED, &vha->dpc_flags);
3275
3276                 ql_dbg(ql_dbg_disc, vha, 0x2067,
3277                     "Port login retry %8phN, id = 0x%04x retry cnt=%d.\n",
3278                     fcport->port_name, fcport->loop_id, fcport->login_retry);
3279         }
3280 }
3281
3282 /*
3283  * qla2x00_mark_all_devices_lost
3284  *      Updates fcport state when device goes offline.
3285  *
3286  * Input:
3287  *      ha = adapter block pointer.
3288  *      fcport = port structure pointer.
3289  *
3290  * Return:
3291  *      None.
3292  *
3293  * Context:
3294  */
3295 void
3296 qla2x00_mark_all_devices_lost(scsi_qla_host_t *vha, int defer)
3297 {
3298         fc_port_t *fcport;
3299
3300         list_for_each_entry(fcport, &vha->vp_fcports, list) {
3301                 if (vha->vp_idx != 0 && vha->vp_idx != fcport->vha->vp_idx)
3302                         continue;
3303
3304                 /*
3305                  * No point in marking the device as lost, if the device is
3306                  * already DEAD.
3307                  */
3308                 if (atomic_read(&fcport->state) == FCS_DEVICE_DEAD)
3309                         continue;
3310                 if (atomic_read(&fcport->state) == FCS_ONLINE) {
3311                         qla2x00_set_fcport_state(fcport, FCS_DEVICE_LOST);
3312                         if (defer)
3313                                 qla2x00_schedule_rport_del(vha, fcport, defer);
3314                         else if (vha->vp_idx == fcport->vha->vp_idx)
3315                                 qla2x00_schedule_rport_del(vha, fcport, defer);
3316                 }
3317         }
3318 }
3319
3320 /*
3321 * qla2x00_mem_alloc
3322 *      Allocates adapter memory.
3323 *
3324 * Returns:
3325 *      0  = success.
3326 *      !0  = failure.
3327 */
3328 static int
3329 qla2x00_mem_alloc(struct qla_hw_data *ha, uint16_t req_len, uint16_t rsp_len,
3330         struct req_que **req, struct rsp_que **rsp)
3331 {
3332         char    name[16];
3333
3334         ha->init_cb = dma_alloc_coherent(&ha->pdev->dev, ha->init_cb_size,
3335                 &ha->init_cb_dma, GFP_KERNEL);
3336         if (!ha->init_cb)
3337                 goto fail;
3338
3339         if (qlt_mem_alloc(ha) < 0)
3340                 goto fail_free_init_cb;
3341
3342         ha->gid_list = dma_alloc_coherent(&ha->pdev->dev,
3343                 qla2x00_gid_list_size(ha), &ha->gid_list_dma, GFP_KERNEL);
3344         if (!ha->gid_list)
3345                 goto fail_free_tgt_mem;
3346
3347         ha->srb_mempool = mempool_create_slab_pool(SRB_MIN_REQ, srb_cachep);
3348         if (!ha->srb_mempool)
3349                 goto fail_free_gid_list;
3350
3351         if (IS_P3P_TYPE(ha)) {
3352                 /* Allocate cache for CT6 Ctx. */
3353                 if (!ctx_cachep) {
3354                         ctx_cachep = kmem_cache_create("qla2xxx_ctx",
3355                                 sizeof(struct ct6_dsd), 0,
3356                                 SLAB_HWCACHE_ALIGN, NULL);
3357                         if (!ctx_cachep)
3358                                 goto fail_free_gid_list;
3359                 }
3360                 ha->ctx_mempool = mempool_create_slab_pool(SRB_MIN_REQ,
3361                         ctx_cachep);
3362                 if (!ha->ctx_mempool)
3363                         goto fail_free_srb_mempool;
3364                 ql_dbg_pci(ql_dbg_init, ha->pdev, 0x0021,
3365                     "ctx_cachep=%p ctx_mempool=%p.\n",
3366                     ctx_cachep, ha->ctx_mempool);
3367         }
3368
3369         /* Get memory for cached NVRAM */
3370         ha->nvram = kzalloc(MAX_NVRAM_SIZE, GFP_KERNEL);
3371         if (!ha->nvram)
3372                 goto fail_free_ctx_mempool;
3373
3374         snprintf(name, sizeof(name), "%s_%d", QLA2XXX_DRIVER_NAME,
3375                 ha->pdev->device);
3376         ha->s_dma_pool = dma_pool_create(name, &ha->pdev->dev,
3377                 DMA_POOL_SIZE, 8, 0);
3378         if (!ha->s_dma_pool)
3379                 goto fail_free_nvram;
3380
3381         ql_dbg_pci(ql_dbg_init, ha->pdev, 0x0022,
3382             "init_cb=%p gid_list=%p, srb_mempool=%p s_dma_pool=%p.\n",
3383             ha->init_cb, ha->gid_list, ha->srb_mempool, ha->s_dma_pool);
3384
3385         if (IS_P3P_TYPE(ha) || ql2xenabledif) {
3386                 ha->dl_dma_pool = dma_pool_create(name, &ha->pdev->dev,
3387                         DSD_LIST_DMA_POOL_SIZE, 8, 0);
3388                 if (!ha->dl_dma_pool) {
3389                         ql_log_pci(ql_log_fatal, ha->pdev, 0x0023,
3390                             "Failed to allocate memory for dl_dma_pool.\n");
3391                         goto fail_s_dma_pool;
3392                 }
3393
3394                 ha->fcp_cmnd_dma_pool = dma_pool_create(name, &ha->pdev->dev,
3395                         FCP_CMND_DMA_POOL_SIZE, 8, 0);
3396                 if (!ha->fcp_cmnd_dma_pool) {
3397                         ql_log_pci(ql_log_fatal, ha->pdev, 0x0024,
3398                             "Failed to allocate memory for fcp_cmnd_dma_pool.\n");
3399                         goto fail_dl_dma_pool;
3400                 }
3401                 ql_dbg_pci(ql_dbg_init, ha->pdev, 0x0025,
3402                     "dl_dma_pool=%p fcp_cmnd_dma_pool=%p.\n",
3403                     ha->dl_dma_pool, ha->fcp_cmnd_dma_pool);
3404         }
3405
3406         /* Allocate memory for SNS commands */
3407         if (IS_QLA2100(ha) || IS_QLA2200(ha)) {
3408         /* Get consistent memory allocated for SNS commands */
3409                 ha->sns_cmd = dma_alloc_coherent(&ha->pdev->dev,
3410                 sizeof(struct sns_cmd_pkt), &ha->sns_cmd_dma, GFP_KERNEL);
3411                 if (!ha->sns_cmd)
3412                         goto fail_dma_pool;
3413                 ql_dbg_pci(ql_dbg_init, ha->pdev, 0x0026,
3414                     "sns_cmd: %p.\n", ha->sns_cmd);
3415         } else {
3416         /* Get consistent memory allocated for MS IOCB */
3417                 ha->ms_iocb = dma_pool_alloc(ha->s_dma_pool, GFP_KERNEL,
3418                         &ha->ms_iocb_dma);
3419                 if (!ha->ms_iocb)
3420                         goto fail_dma_pool;
3421         /* Get consistent memory allocated for CT SNS commands */
3422                 ha->ct_sns = dma_alloc_coherent(&ha->pdev->dev,
3423                         sizeof(struct ct_sns_pkt), &ha->ct_sns_dma, GFP_KERNEL);
3424                 if (!ha->ct_sns)
3425                         goto fail_free_ms_iocb;
3426                 ql_dbg_pci(ql_dbg_init, ha->pdev, 0x0027,
3427                     "ms_iocb=%p ct_sns=%p.\n",
3428                     ha->ms_iocb, ha->ct_sns);
3429         }
3430
3431         /* Allocate memory for request ring */
3432         *req = kzalloc(sizeof(struct req_que), GFP_KERNEL);
3433         if (!*req) {
3434                 ql_log_pci(ql_log_fatal, ha->pdev, 0x0028,
3435                     "Failed to allocate memory for req.\n");
3436                 goto fail_req;
3437         }
3438         (*req)->length = req_len;
3439         (*req)->ring = dma_alloc_coherent(&ha->pdev->dev,
3440                 ((*req)->length + 1) * sizeof(request_t),
3441                 &(*req)->dma, GFP_KERNEL);
3442         if (!(*req)->ring) {
3443                 ql_log_pci(ql_log_fatal, ha->pdev, 0x0029,
3444                     "Failed to allocate memory for req_ring.\n");
3445                 goto fail_req_ring;
3446         }
3447         /* Allocate memory for response ring */
3448         *rsp = kzalloc(sizeof(struct rsp_que), GFP_KERNEL);
3449         if (!*rsp) {
3450                 ql_log_pci(ql_log_fatal, ha->pdev, 0x002a,
3451                     "Failed to allocate memory for rsp.\n");
3452                 goto fail_rsp;
3453         }
3454         (*rsp)->hw = ha;
3455         (*rsp)->length = rsp_len;
3456         (*rsp)->ring = dma_alloc_coherent(&ha->pdev->dev,
3457                 ((*rsp)->length + 1) * sizeof(response_t),
3458                 &(*rsp)->dma, GFP_KERNEL);
3459         if (!(*rsp)->ring) {
3460                 ql_log_pci(ql_log_fatal, ha->pdev, 0x002b,
3461                     "Failed to allocate memory for rsp_ring.\n");
3462                 goto fail_rsp_ring;
3463         }
3464         (*req)->rsp = *rsp;
3465         (*rsp)->req = *req;
3466         ql_dbg_pci(ql_dbg_init, ha->pdev, 0x002c,
3467             "req=%p req->length=%d req->ring=%p rsp=%p "
3468             "rsp->length=%d rsp->ring=%p.\n",
3469             *req, (*req)->length, (*req)->ring, *rsp, (*rsp)->length,
3470             (*rsp)->ring);
3471         /* Allocate memory for NVRAM data for vports */
3472         if (ha->nvram_npiv_size) {
3473                 ha->npiv_info = kzalloc(sizeof(struct qla_npiv_entry) *
3474                     ha->nvram_npiv_size, GFP_KERNEL);
3475                 if (!ha->npiv_info) {
3476                         ql_log_pci(ql_log_fatal, ha->pdev, 0x002d,
3477                             "Failed to allocate memory for npiv_info.\n");
3478                         goto fail_npiv_info;
3479                 }
3480         } else
3481                 ha->npiv_info = NULL;
3482
3483         /* Get consistent memory allocated for EX-INIT-CB. */
3484         if (IS_CNA_CAPABLE(ha) || IS_QLA2031(ha) || IS_QLA27XX(ha)) {
3485                 ha->ex_init_cb = dma_pool_alloc(ha->s_dma_pool, GFP_KERNEL,
3486                     &ha->ex_init_cb_dma);
3487                 if (!ha->ex_init_cb)
3488                         goto fail_ex_init_cb;
3489                 ql_dbg_pci(ql_dbg_init, ha->pdev, 0x002e,
3490                     "ex_init_cb=%p.\n", ha->ex_init_cb);
3491         }
3492
3493         INIT_LIST_HEAD(&ha->gbl_dsd_list);
3494
3495         /* Get consistent memory allocated for Async Port-Database. */
3496         if (!IS_FWI2_CAPABLE(ha)) {
3497                 ha->async_pd = dma_pool_alloc(ha->s_dma_pool, GFP_KERNEL,
3498                         &ha->async_pd_dma);
3499                 if (!ha->async_pd)
3500                         goto fail_async_pd;
3501                 ql_dbg_pci(ql_dbg_init, ha->pdev, 0x002f,
3502                     "async_pd=%p.\n", ha->async_pd);
3503         }
3504
3505         INIT_LIST_HEAD(&ha->vp_list);
3506
3507         /* Allocate memory for our loop_id bitmap */
3508         ha->loop_id_map = kzalloc(BITS_TO_LONGS(LOOPID_MAP_SIZE) * sizeof(long),
3509             GFP_KERNEL);
3510         if (!ha->loop_id_map)
3511                 goto fail_async_pd;
3512         else {
3513                 qla2x00_set_reserved_loop_ids(ha);
3514                 ql_dbg_pci(ql_dbg_init, ha->pdev, 0x0123,
3515                     "loop_id_map=%p.\n", ha->loop_id_map);
3516         }
3517
3518         return 0;
3519
3520 fail_async_pd:
3521         dma_pool_free(ha->s_dma_pool, ha->ex_init_cb, ha->ex_init_cb_dma);
3522 fail_ex_init_cb:
3523         kfree(ha->npiv_info);
3524 fail_npiv_info:
3525         dma_free_coherent(&ha->pdev->dev, ((*rsp)->length + 1) *
3526                 sizeof(response_t), (*rsp)->ring, (*rsp)->dma);
3527         (*rsp)->ring = NULL;
3528         (*rsp)->dma = 0;
3529 fail_rsp_ring:
3530         kfree(*rsp);
3531 fail_rsp:
3532         dma_free_coherent(&ha->pdev->dev, ((*req)->length + 1) *
3533                 sizeof(request_t), (*req)->ring, (*req)->dma);
3534         (*req)->ring = NULL;
3535         (*req)->dma = 0;
3536 fail_req_ring:
3537         kfree(*req);
3538 fail_req:
3539         dma_free_coherent(&ha->pdev->dev, sizeof(struct ct_sns_pkt),
3540                 ha->ct_sns, ha->ct_sns_dma);
3541         ha->ct_sns = NULL;
3542         ha->ct_sns_dma = 0;
3543 fail_free_ms_iocb:
3544         dma_pool_free(ha->s_dma_pool, ha->ms_iocb, ha->ms_iocb_dma);
3545         ha->ms_iocb = NULL;
3546         ha->ms_iocb_dma = 0;
3547 fail_dma_pool:
3548         if (IS_QLA82XX(ha) || ql2xenabledif) {
3549                 dma_pool_destroy(ha->fcp_cmnd_dma_pool);
3550                 ha->fcp_cmnd_dma_pool = NULL;
3551         }
3552 fail_dl_dma_pool:
3553         if (IS_QLA82XX(ha) || ql2xenabledif) {
3554                 dma_pool_destroy(ha->dl_dma_pool);
3555                 ha->dl_dma_pool = NULL;
3556         }
3557 fail_s_dma_pool:
3558         dma_pool_destroy(ha->s_dma_pool);
3559         ha->s_dma_pool = NULL;
3560 fail_free_nvram:
3561         kfree(ha->nvram);
3562         ha->nvram = NULL;
3563 fail_free_ctx_mempool:
3564         mempool_destroy(ha->ctx_mempool);
3565         ha->ctx_mempool = NULL;
3566 fail_free_srb_mempool:
3567         mempool_destroy(ha->srb_mempool);
3568         ha->srb_mempool = NULL;
3569 fail_free_gid_list:
3570         dma_free_coherent(&ha->pdev->dev, qla2x00_gid_list_size(ha),
3571         ha->gid_list,
3572         ha->gid_list_dma);
3573         ha->gid_list = NULL;
3574         ha->gid_list_dma = 0;
3575 fail_free_tgt_mem:
3576         qlt_mem_free(ha);
3577 fail_free_init_cb:
3578         dma_free_coherent(&ha->pdev->dev, ha->init_cb_size, ha->init_cb,
3579         ha->init_cb_dma);
3580         ha->init_cb = NULL;
3581         ha->init_cb_dma = 0;
3582 fail:
3583         ql_log(ql_log_fatal, NULL, 0x0030,
3584             "Memory allocation failure.\n");
3585         return -ENOMEM;
3586 }
3587
3588 /*
3589 * qla2x00_free_fw_dump
3590 *       Frees fw dump stuff.
3591 *
3592 * Input:
3593 *       ha = adapter block pointer
3594 */
3595 static void
3596 qla2x00_free_fw_dump(struct qla_hw_data *ha)
3597 {
3598         if (ha->fce)
3599                 dma_free_coherent(&ha->pdev->dev,
3600                     FCE_SIZE, ha->fce, ha->fce_dma);
3601
3602         if (ha->eft)
3603                 dma_free_coherent(&ha->pdev->dev,
3604                     EFT_SIZE, ha->eft, ha->eft_dma);
3605
3606         if (ha->fw_dump)
3607                 vfree(ha->fw_dump);
3608         if (ha->fw_dump_template)
3609                 vfree(ha->fw_dump_template);
3610
3611         ha->fce = NULL;
3612         ha->fce_dma = 0;
3613         ha->eft = NULL;
3614         ha->eft_dma = 0;
3615         ha->fw_dumped = 0;
3616         ha->fw_dump_cap_flags = 0;
3617         ha->fw_dump_reading = 0;
3618         ha->fw_dump = NULL;
3619         ha->fw_dump_len = 0;
3620         ha->fw_dump_template = NULL;
3621         ha->fw_dump_template_len = 0;
3622 }
3623
3624 /*
3625 * qla2x00_mem_free
3626 *      Frees all adapter allocated memory.
3627 *
3628 * Input:
3629 *      ha = adapter block pointer.
3630 */
3631 static void
3632 qla2x00_mem_free(struct qla_hw_data *ha)
3633 {
3634         qla2x00_free_fw_dump(ha);
3635
3636         if (ha->mctp_dump)
3637                 dma_free_coherent(&ha->pdev->dev, MCTP_DUMP_SIZE, ha->mctp_dump,
3638                     ha->mctp_dump_dma);
3639
3640         if (ha->srb_mempool)
3641                 mempool_destroy(ha->srb_mempool);
3642
3643         if (ha->dcbx_tlv)
3644                 dma_free_coherent(&ha->pdev->dev, DCBX_TLV_DATA_SIZE,
3645                     ha->dcbx_tlv, ha->dcbx_tlv_dma);
3646
3647         if (ha->xgmac_data)
3648                 dma_free_coherent(&ha->pdev->dev, XGMAC_DATA_SIZE,
3649                     ha->xgmac_data, ha->xgmac_data_dma);
3650
3651         if (ha->sns_cmd)
3652                 dma_free_coherent(&ha->pdev->dev, sizeof(struct sns_cmd_pkt),
3653                 ha->sns_cmd, ha->sns_cmd_dma);
3654
3655         if (ha->ct_sns)
3656                 dma_free_coherent(&ha->pdev->dev, sizeof(struct ct_sns_pkt),
3657                 ha->ct_sns, ha->ct_sns_dma);
3658
3659         if (ha->sfp_data)
3660                 dma_pool_free(ha->s_dma_pool, ha->sfp_data, ha->sfp_data_dma);
3661
3662         if (ha->ms_iocb)
3663                 dma_pool_free(ha->s_dma_pool, ha->ms_iocb, ha->ms_iocb_dma);
3664
3665         if (ha->ex_init_cb)
3666                 dma_pool_free(ha->s_dma_pool,
3667                         ha->ex_init_cb, ha->ex_init_cb_dma);
3668
3669         if (ha->async_pd)
3670                 dma_pool_free(ha->s_dma_pool, ha->async_pd, ha->async_pd_dma);
3671
3672         if (ha->s_dma_pool)
3673                 dma_pool_destroy(ha->s_dma_pool);
3674
3675         if (ha->gid_list)
3676                 dma_free_coherent(&ha->pdev->dev, qla2x00_gid_list_size(ha),
3677                 ha->gid_list, ha->gid_list_dma);
3678
3679         if (IS_QLA82XX(ha)) {
3680                 if (!list_empty(&ha->gbl_dsd_list)) {
3681                         struct dsd_dma *dsd_ptr, *tdsd_ptr;
3682
3683                         /* clean up allocated prev pool */
3684                         list_for_each_entry_safe(dsd_ptr,
3685                                 tdsd_ptr, &ha->gbl_dsd_list, list) {
3686                                 dma_pool_free(ha->dl_dma_pool,
3687                                 dsd_ptr->dsd_addr, dsd_ptr->dsd_list_dma);
3688                                 list_del(&dsd_ptr->list);
3689                                 kfree(dsd_ptr);
3690                         }
3691                 }
3692         }
3693
3694         if (ha->dl_dma_pool)
3695                 dma_pool_destroy(ha->dl_dma_pool);
3696
3697         if (ha->fcp_cmnd_dma_pool)
3698                 dma_pool_destroy(ha->fcp_cmnd_dma_pool);
3699
3700         if (ha->ctx_mempool)
3701                 mempool_destroy(ha->ctx_mempool);
3702
3703         qlt_mem_free(ha);
3704
3705         if (ha->init_cb)
3706                 dma_free_coherent(&ha->pdev->dev, ha->init_cb_size,
3707                         ha->init_cb, ha->init_cb_dma);
3708         vfree(ha->optrom_buffer);
3709         kfree(ha->nvram);
3710         kfree(ha->npiv_info);
3711         kfree(ha->swl);
3712         kfree(ha->loop_id_map);
3713
3714         ha->srb_mempool = NULL;
3715         ha->ctx_mempool = NULL;
3716         ha->sns_cmd = NULL;
3717         ha->sns_cmd_dma = 0;
3718         ha->ct_sns = NULL;
3719         ha->ct_sns_dma = 0;
3720         ha->ms_iocb = NULL;
3721         ha->ms_iocb_dma = 0;
3722         ha->init_cb = NULL;
3723         ha->init_cb_dma = 0;
3724         ha->ex_init_cb = NULL;
3725         ha->ex_init_cb_dma = 0;
3726         ha->async_pd = NULL;
3727         ha->async_pd_dma = 0;
3728
3729         ha->s_dma_pool = NULL;
3730         ha->dl_dma_pool = NULL;
3731         ha->fcp_cmnd_dma_pool = NULL;
3732
3733         ha->gid_list = NULL;
3734         ha->gid_list_dma = 0;
3735
3736         ha->tgt.atio_ring = NULL;
3737         ha->tgt.atio_dma = 0;
3738         ha->tgt.tgt_vp_map = NULL;
3739 }
3740
3741 struct scsi_qla_host *qla2x00_create_host(struct scsi_host_template *sht,
3742                                                 struct qla_hw_data *ha)
3743 {
3744         struct Scsi_Host *host;
3745         struct scsi_qla_host *vha = NULL;
3746
3747         host = scsi_host_alloc(sht, sizeof(scsi_qla_host_t));
3748         if (host == NULL) {
3749                 ql_log_pci(ql_log_fatal, ha->pdev, 0x0107,
3750                     "Failed to allocate host from the scsi layer, aborting.\n");
3751                 goto fail;
3752         }
3753
3754         /* Clear our data area */
3755         vha = shost_priv(host);
3756         memset(vha, 0, sizeof(scsi_qla_host_t));
3757
3758         vha->host = host;
3759         vha->host_no = host->host_no;
3760         vha->hw = ha;
3761
3762         INIT_LIST_HEAD(&vha->vp_fcports);
3763         INIT_LIST_HEAD(&vha->work_list);
3764         INIT_LIST_HEAD(&vha->list);
3765
3766         spin_lock_init(&vha->work_lock);
3767
3768         sprintf(vha->host_str, "%s_%ld", QLA2XXX_DRIVER_NAME, vha->host_no);
3769         ql_dbg(ql_dbg_init, vha, 0x0041,
3770             "Allocated the host=%p hw=%p vha=%p dev_name=%s",
3771             vha->host, vha->hw, vha,
3772             dev_name(&(ha->pdev->dev)));
3773
3774         return vha;
3775
3776 fail:
3777         return vha;
3778 }
3779
3780 static struct qla_work_evt *
3781 qla2x00_alloc_work(struct scsi_qla_host *vha, enum qla_work_type type)
3782 {
3783         struct qla_work_evt *e;
3784         uint8_t bail;
3785
3786         QLA_VHA_MARK_BUSY(vha, bail);
3787         if (bail)
3788                 return NULL;
3789
3790         e = kzalloc(sizeof(struct qla_work_evt), GFP_ATOMIC);
3791         if (!e) {
3792                 QLA_VHA_MARK_NOT_BUSY(vha);
3793                 return NULL;
3794         }
3795
3796         INIT_LIST_HEAD(&e->list);
3797         e->type = type;
3798         e->flags = QLA_EVT_FLAG_FREE;
3799         return e;
3800 }
3801
3802 static int
3803 qla2x00_post_work(struct scsi_qla_host *vha, struct qla_work_evt *e)
3804 {
3805         unsigned long flags;
3806
3807         spin_lock_irqsave(&vha->work_lock, flags);
3808         list_add_tail(&e->list, &vha->work_list);
3809         spin_unlock_irqrestore(&vha->work_lock, flags);
3810         qla2xxx_wake_dpc(vha);
3811
3812         return QLA_SUCCESS;
3813 }
3814
3815 int
3816 qla2x00_post_aen_work(struct scsi_qla_host *vha, enum fc_host_event_code code,
3817     u32 data)
3818 {
3819         struct qla_work_evt *e;
3820
3821         e = qla2x00_alloc_work(vha, QLA_EVT_AEN);
3822         if (!e)
3823                 return QLA_FUNCTION_FAILED;
3824
3825         e->u.aen.code = code;
3826         e->u.aen.data = data;
3827         return qla2x00_post_work(vha, e);
3828 }
3829
3830 int
3831 qla2x00_post_idc_ack_work(struct scsi_qla_host *vha, uint16_t *mb)
3832 {
3833         struct qla_work_evt *e;
3834
3835         e = qla2x00_alloc_work(vha, QLA_EVT_IDC_ACK);
3836         if (!e)
3837                 return QLA_FUNCTION_FAILED;
3838
3839         memcpy(e->u.idc_ack.mb, mb, QLA_IDC_ACK_REGS * sizeof(uint16_t));
3840         return qla2x00_post_work(vha, e);
3841 }
3842
3843 #define qla2x00_post_async_work(name, type)     \
3844 int qla2x00_post_async_##name##_work(           \
3845     struct scsi_qla_host *vha,                  \
3846     fc_port_t *fcport, uint16_t *data)          \
3847 {                                               \
3848         struct qla_work_evt *e;                 \
3849                                                 \
3850         e = qla2x00_alloc_work(vha, type);      \
3851         if (!e)                                 \
3852                 return QLA_FUNCTION_FAILED;     \
3853                                                 \
3854         e->u.logio.fcport = fcport;             \
3855         if (data) {                             \
3856                 e->u.logio.data[0] = data[0];   \
3857                 e->u.logio.data[1] = data[1];   \
3858         }                                       \
3859         return qla2x00_post_work(vha, e);       \
3860 }
3861
3862 qla2x00_post_async_work(login, QLA_EVT_ASYNC_LOGIN);
3863 qla2x00_post_async_work(login_done, QLA_EVT_ASYNC_LOGIN_DONE);
3864 qla2x00_post_async_work(logout, QLA_EVT_ASYNC_LOGOUT);
3865 qla2x00_post_async_work(logout_done, QLA_EVT_ASYNC_LOGOUT_DONE);
3866 qla2x00_post_async_work(adisc, QLA_EVT_ASYNC_ADISC);
3867 qla2x00_post_async_work(adisc_done, QLA_EVT_ASYNC_ADISC_DONE);
3868
3869 int
3870 qla2x00_post_uevent_work(struct scsi_qla_host *vha, u32 code)
3871 {
3872         struct qla_work_evt *e;
3873
3874         e = qla2x00_alloc_work(vha, QLA_EVT_UEVENT);
3875         if (!e)
3876                 return QLA_FUNCTION_FAILED;
3877
3878         e->u.uevent.code = code;
3879         return qla2x00_post_work(vha, e);
3880 }
3881
3882 static void
3883 qla2x00_uevent_emit(struct scsi_qla_host *vha, u32 code)
3884 {
3885         char event_string[40];
3886         char *envp[] = { event_string, NULL };
3887
3888         switch (code) {
3889         case QLA_UEVENT_CODE_FW_DUMP:
3890                 snprintf(event_string, sizeof(event_string), "FW_DUMP=%ld",
3891                     vha->host_no);
3892                 break;
3893         default:
3894                 /* do nothing */
3895                 break;
3896         }
3897         kobject_uevent_env(&vha->hw->pdev->dev.kobj, KOBJ_CHANGE, envp);
3898 }
3899
3900 int
3901 qlafx00_post_aenfx_work(struct scsi_qla_host *vha,  uint32_t evtcode,
3902                         uint32_t *data, int cnt)
3903 {
3904         struct qla_work_evt *e;
3905
3906         e = qla2x00_alloc_work(vha, QLA_EVT_AENFX);
3907         if (!e)
3908                 return QLA_FUNCTION_FAILED;
3909
3910         e->u.aenfx.evtcode = evtcode;
3911         e->u.aenfx.count = cnt;
3912         memcpy(e->u.aenfx.mbx, data, sizeof(*data) * cnt);
3913         return qla2x00_post_work(vha, e);
3914 }
3915
3916 void
3917 qla2x00_do_work(struct scsi_qla_host *vha)
3918 {
3919         struct qla_work_evt *e, *tmp;
3920         unsigned long flags;
3921         LIST_HEAD(work);
3922
3923         spin_lock_irqsave(&vha->work_lock, flags);
3924         list_splice_init(&vha->work_list, &work);
3925         spin_unlock_irqrestore(&vha->work_lock, flags);
3926
3927         list_for_each_entry_safe(e, tmp, &work, list) {
3928                 list_del_init(&e->list);
3929
3930                 switch (e->type) {
3931                 case QLA_EVT_AEN:
3932                         fc_host_post_event(vha->host, fc_get_event_number(),
3933                             e->u.aen.code, e->u.aen.data);
3934                         break;
3935                 case QLA_EVT_IDC_ACK:
3936                         qla81xx_idc_ack(vha, e->u.idc_ack.mb);
3937                         break;
3938                 case QLA_EVT_ASYNC_LOGIN:
3939                         qla2x00_async_login(vha, e->u.logio.fcport,
3940                             e->u.logio.data);
3941                         break;
3942                 case QLA_EVT_ASYNC_LOGIN_DONE:
3943                         qla2x00_async_login_done(vha, e->u.logio.fcport,
3944                             e->u.logio.data);
3945                         break;
3946                 case QLA_EVT_ASYNC_LOGOUT:
3947                         qla2x00_async_logout(vha, e->u.logio.fcport);
3948                         break;
3949                 case QLA_EVT_ASYNC_LOGOUT_DONE:
3950                         qla2x00_async_logout_done(vha, e->u.logio.fcport,
3951                             e->u.logio.data);
3952                         break;
3953                 case QLA_EVT_ASYNC_ADISC:
3954                         qla2x00_async_adisc(vha, e->u.logio.fcport,
3955                             e->u.logio.data);
3956                         break;
3957                 case QLA_EVT_ASYNC_ADISC_DONE:
3958                         qla2x00_async_adisc_done(vha, e->u.logio.fcport,
3959                             e->u.logio.data);
3960                         break;
3961                 case QLA_EVT_UEVENT:
3962                         qla2x00_uevent_emit(vha, e->u.uevent.code);
3963                         break;
3964                 case QLA_EVT_AENFX:
3965                         qlafx00_process_aen(vha, e);
3966                         break;
3967                 }
3968                 if (e->flags & QLA_EVT_FLAG_FREE)
3969                         kfree(e);
3970
3971                 /* For each work completed decrement vha ref count */
3972                 QLA_VHA_MARK_NOT_BUSY(vha);
3973         }
3974 }
3975
3976 /* Relogins all the fcports of a vport
3977  * Context: dpc thread
3978  */
3979 void qla2x00_relogin(struct scsi_qla_host *vha)
3980 {
3981         fc_port_t       *fcport;
3982         int status;
3983         uint16_t        next_loopid = 0;
3984         struct qla_hw_data *ha = vha->hw;
3985         uint16_t data[2];
3986
3987         list_for_each_entry(fcport, &vha->vp_fcports, list) {
3988         /*
3989          * If the port is not ONLINE then try to login
3990          * to it if we haven't run out of retries.
3991          */
3992                 if (atomic_read(&fcport->state) != FCS_ONLINE &&
3993                     fcport->login_retry && !(fcport->flags & FCF_ASYNC_SENT)) {
3994                         fcport->login_retry--;
3995                         if (fcport->flags & FCF_FABRIC_DEVICE) {
3996                                 if (fcport->flags & FCF_FCP2_DEVICE)
3997                                         ha->isp_ops->fabric_logout(vha,
3998                                                         fcport->loop_id,
3999                                                         fcport->d_id.b.domain,
4000                                                         fcport->d_id.b.area,
4001                                                         fcport->d_id.b.al_pa);
4002
4003                                 if (fcport->loop_id == FC_NO_LOOP_ID) {
4004                                         fcport->loop_id = next_loopid =
4005                                             ha->min_external_loopid;
4006                                         status = qla2x00_find_new_loop_id(
4007                                             vha, fcport);
4008                                         if (status != QLA_SUCCESS) {
4009                                                 /* Ran out of IDs to use */
4010                                                 break;
4011                                         }
4012                                 }
4013
4014                                 if (IS_ALOGIO_CAPABLE(ha)) {
4015                                         fcport->flags |= FCF_ASYNC_SENT;
4016                                         data[0] = 0;
4017                                         data[1] = QLA_LOGIO_LOGIN_RETRIED;
4018                                         status = qla2x00_post_async_login_work(
4019                                             vha, fcport, data);
4020                                         if (status == QLA_SUCCESS)
4021                                                 continue;
4022                                         /* Attempt a retry. */
4023                                         status = 1;
4024                                 } else {
4025                                         status = qla2x00_fabric_login(vha,
4026                                             fcport, &next_loopid);
4027                                         if (status ==  QLA_SUCCESS) {
4028                                                 int status2;
4029                                                 uint8_t opts;
4030
4031                                                 opts = 0;
4032                                                 if (fcport->flags &
4033                                                     FCF_FCP2_DEVICE)
4034                                                         opts |= BIT_1;
4035                                                 status2 =
4036                                                     qla2x00_get_port_database(
4037                                                         vha, fcport, opts);
4038                                                 if (status2 != QLA_SUCCESS)
4039                                                         status = 1;
4040                                         }
4041                                 }
4042                         } else
4043                                 status = qla2x00_local_device_login(vha,
4044                                                                 fcport);
4045
4046                         if (status == QLA_SUCCESS) {
4047                                 fcport->old_loop_id = fcport->loop_id;
4048
4049                                 ql_dbg(ql_dbg_disc, vha, 0x2003,
4050                                     "Port login OK: logged in ID 0x%x.\n",
4051                                     fcport->loop_id);
4052
4053                                 qla2x00_update_fcport(vha, fcport);
4054
4055                         } else if (status == 1) {
4056                                 set_bit(RELOGIN_NEEDED, &vha->dpc_flags);
4057                                 /* retry the login again */
4058                                 ql_dbg(ql_dbg_disc, vha, 0x2007,
4059                                     "Retrying %d login again loop_id 0x%x.\n",
4060                                     fcport->login_retry, fcport->loop_id);
4061                         } else {
4062                                 fcport->login_retry = 0;
4063                         }
4064
4065                         if (fcport->login_retry == 0 && status != QLA_SUCCESS)
4066                                 qla2x00_clear_loop_id(fcport);
4067                 }
4068                 if (test_bit(LOOP_RESYNC_NEEDED, &vha->dpc_flags))
4069                         break;
4070         }
4071 }
4072
4073 /* Schedule work on any of the dpc-workqueues */
4074 void
4075 qla83xx_schedule_work(scsi_qla_host_t *base_vha, int work_code)
4076 {
4077         struct qla_hw_data *ha = base_vha->hw;
4078
4079         switch (work_code) {
4080         case MBA_IDC_AEN: /* 0x8200 */
4081                 if (ha->dpc_lp_wq)
4082                         queue_work(ha->dpc_lp_wq, &ha->idc_aen);
4083                 break;
4084
4085         case QLA83XX_NIC_CORE_RESET: /* 0x1 */
4086                 if (!ha->flags.nic_core_reset_hdlr_active) {
4087                         if (ha->dpc_hp_wq)
4088                                 queue_work(ha->dpc_hp_wq, &ha->nic_core_reset);
4089                 } else
4090                         ql_dbg(ql_dbg_p3p, base_vha, 0xb05e,
4091                             "NIC Core reset is already active. Skip "
4092                             "scheduling it again.\n");
4093                 break;
4094         case QLA83XX_IDC_STATE_HANDLER: /* 0x2 */
4095                 if (ha->dpc_hp_wq)
4096                         queue_work(ha->dpc_hp_wq, &ha->idc_state_handler);
4097                 break;
4098         case QLA83XX_NIC_CORE_UNRECOVERABLE: /* 0x3 */
4099                 if (ha->dpc_hp_wq)
4100                         queue_work(ha->dpc_hp_wq, &ha->nic_core_unrecoverable);
4101                 break;
4102         default:
4103                 ql_log(ql_log_warn, base_vha, 0xb05f,
4104                     "Unknown work-code=0x%x.\n", work_code);
4105         }
4106
4107         return;
4108 }
4109
4110 /* Work: Perform NIC Core Unrecoverable state handling */
4111 void
4112 qla83xx_nic_core_unrecoverable_work(struct work_struct *work)
4113 {
4114         struct qla_hw_data *ha =
4115                 container_of(work, struct qla_hw_data, nic_core_unrecoverable);
4116         scsi_qla_host_t *base_vha = pci_get_drvdata(ha->pdev);
4117         uint32_t dev_state = 0;
4118
4119         qla83xx_idc_lock(base_vha, 0);
4120         qla83xx_rd_reg(base_vha, QLA83XX_IDC_DEV_STATE, &dev_state);
4121         qla83xx_reset_ownership(base_vha);
4122         if (ha->flags.nic_core_reset_owner) {
4123                 ha->flags.nic_core_reset_owner = 0;
4124                 qla83xx_wr_reg(base_vha, QLA83XX_IDC_DEV_STATE,
4125                     QLA8XXX_DEV_FAILED);
4126                 ql_log(ql_log_info, base_vha, 0xb060, "HW State: FAILED.\n");
4127                 qla83xx_schedule_work(base_vha, QLA83XX_IDC_STATE_HANDLER);
4128         }
4129         qla83xx_idc_unlock(base_vha, 0);
4130 }
4131
4132 /* Work: Execute IDC state handler */
4133 void
4134 qla83xx_idc_state_handler_work(struct work_struct *work)
4135 {
4136         struct qla_hw_data *ha =
4137                 container_of(work, struct qla_hw_data, idc_state_handler);
4138         scsi_qla_host_t *base_vha = pci_get_drvdata(ha->pdev);
4139         uint32_t dev_state = 0;
4140
4141         qla83xx_idc_lock(base_vha, 0);
4142         qla83xx_rd_reg(base_vha, QLA83XX_IDC_DEV_STATE, &dev_state);
4143         if (dev_state == QLA8XXX_DEV_FAILED ||
4144                         dev_state == QLA8XXX_DEV_NEED_QUIESCENT)
4145                 qla83xx_idc_state_handler(base_vha);
4146         qla83xx_idc_unlock(base_vha, 0);
4147 }
4148
4149 static int
4150 qla83xx_check_nic_core_fw_alive(scsi_qla_host_t *base_vha)
4151 {
4152         int rval = QLA_SUCCESS;
4153         unsigned long heart_beat_wait = jiffies + (1 * HZ);
4154         uint32_t heart_beat_counter1, heart_beat_counter2;
4155
4156         do {
4157                 if (time_after(jiffies, heart_beat_wait)) {
4158                         ql_dbg(ql_dbg_p3p, base_vha, 0xb07c,
4159                             "Nic Core f/w is not alive.\n");
4160                         rval = QLA_FUNCTION_FAILED;
4161                         break;
4162                 }
4163
4164                 qla83xx_idc_lock(base_vha, 0);
4165                 qla83xx_rd_reg(base_vha, QLA83XX_FW_HEARTBEAT,
4166                     &heart_beat_counter1);
4167                 qla83xx_idc_unlock(base_vha, 0);
4168                 msleep(100);
4169                 qla83xx_idc_lock(base_vha, 0);
4170                 qla83xx_rd_reg(base_vha, QLA83XX_FW_HEARTBEAT,
4171                     &heart_beat_counter2);
4172                 qla83xx_idc_unlock(base_vha, 0);
4173         } while (heart_beat_counter1 == heart_beat_counter2);
4174
4175         return rval;
4176 }
4177
4178 /* Work: Perform NIC Core Reset handling */
4179 void
4180 qla83xx_nic_core_reset_work(struct work_struct *work)
4181 {
4182         struct qla_hw_data *ha =
4183                 container_of(work, struct qla_hw_data, nic_core_reset);
4184         scsi_qla_host_t *base_vha = pci_get_drvdata(ha->pdev);
4185         uint32_t dev_state = 0;
4186
4187         if (IS_QLA2031(ha)) {
4188                 if (qla2xxx_mctp_dump(base_vha) != QLA_SUCCESS)
4189                         ql_log(ql_log_warn, base_vha, 0xb081,
4190                             "Failed to dump mctp\n");
4191                 return;
4192         }
4193
4194         if (!ha->flags.nic_core_reset_hdlr_active) {
4195                 if (qla83xx_check_nic_core_fw_alive(base_vha) == QLA_SUCCESS) {
4196                         qla83xx_idc_lock(base_vha, 0);
4197                         qla83xx_rd_reg(base_vha, QLA83XX_IDC_DEV_STATE,
4198                             &dev_state);
4199                         qla83xx_idc_unlock(base_vha, 0);
4200                         if (dev_state != QLA8XXX_DEV_NEED_RESET) {
4201                                 ql_dbg(ql_dbg_p3p, base_vha, 0xb07a,
4202                                     "Nic Core f/w is alive.\n");
4203                                 return;
4204                         }
4205                 }
4206
4207                 ha->flags.nic_core_reset_hdlr_active = 1;
4208                 if (qla83xx_nic_core_reset(base_vha)) {
4209                         /* NIC Core reset failed. */
4210                         ql_dbg(ql_dbg_p3p, base_vha, 0xb061,
4211                             "NIC Core reset failed.\n");
4212                 }
4213                 ha->flags.nic_core_reset_hdlr_active = 0;
4214         }
4215 }
4216
4217 /* Work: Handle 8200 IDC aens */
4218 void
4219 qla83xx_service_idc_aen(struct work_struct *work)
4220 {
4221         struct qla_hw_data *ha =
4222                 container_of(work, struct qla_hw_data, idc_aen);
4223         scsi_qla_host_t *base_vha = pci_get_drvdata(ha->pdev);
4224         uint32_t dev_state, idc_control;
4225
4226         qla83xx_idc_lock(base_vha, 0);
4227         qla83xx_rd_reg(base_vha, QLA83XX_IDC_DEV_STATE, &dev_state);
4228         qla83xx_rd_reg(base_vha, QLA83XX_IDC_CONTROL, &idc_control);
4229         qla83xx_idc_unlock(base_vha, 0);
4230         if (dev_state == QLA8XXX_DEV_NEED_RESET) {
4231                 if (idc_control & QLA83XX_IDC_GRACEFUL_RESET) {
4232                         ql_dbg(ql_dbg_p3p, base_vha, 0xb062,
4233                             "Application requested NIC Core Reset.\n");
4234                         qla83xx_schedule_work(base_vha, QLA83XX_NIC_CORE_RESET);
4235                 } else if (qla83xx_check_nic_core_fw_alive(base_vha) ==
4236                     QLA_SUCCESS) {
4237                         ql_dbg(ql_dbg_p3p, base_vha, 0xb07b,
4238                             "Other protocol driver requested NIC Core Reset.\n");
4239                         qla83xx_schedule_work(base_vha, QLA83XX_NIC_CORE_RESET);
4240                 }
4241         } else if (dev_state == QLA8XXX_DEV_FAILED ||
4242                         dev_state == QLA8XXX_DEV_NEED_QUIESCENT) {
4243                 qla83xx_schedule_work(base_vha, QLA83XX_IDC_STATE_HANDLER);
4244         }
4245 }
4246
4247 static void
4248 qla83xx_wait_logic(void)
4249 {
4250         int i;
4251
4252         /* Yield CPU */
4253         if (!in_interrupt()) {
4254                 /*
4255                  * Wait about 200ms before retrying again.
4256                  * This controls the number of retries for single
4257                  * lock operation.
4258                  */
4259                 msleep(100);
4260                 schedule();
4261         } else {
4262                 for (i = 0; i < 20; i++)
4263                         cpu_relax(); /* This a nop instr on i386 */
4264         }
4265 }
4266
4267 static int
4268 qla83xx_force_lock_recovery(scsi_qla_host_t *base_vha)
4269 {
4270         int rval;
4271         uint32_t data;
4272         uint32_t idc_lck_rcvry_stage_mask = 0x3;
4273         uint32_t idc_lck_rcvry_owner_mask = 0x3c;
4274         struct qla_hw_data *ha = base_vha->hw;
4275         ql_dbg(ql_dbg_p3p, base_vha, 0xb086,
4276             "Trying force recovery of the IDC lock.\n");
4277
4278         rval = qla83xx_rd_reg(base_vha, QLA83XX_IDC_LOCK_RECOVERY, &data);
4279         if (rval)
4280                 return rval;
4281
4282         if ((data & idc_lck_rcvry_stage_mask) > 0) {
4283                 return QLA_SUCCESS;
4284         } else {
4285                 data = (IDC_LOCK_RECOVERY_STAGE1) | (ha->portnum << 2);
4286                 rval = qla83xx_wr_reg(base_vha, QLA83XX_IDC_LOCK_RECOVERY,
4287                     data);
4288                 if (rval)
4289                         return rval;
4290
4291                 msleep(200);
4292
4293                 rval = qla83xx_rd_reg(base_vha, QLA83XX_IDC_LOCK_RECOVERY,
4294                     &data);
4295                 if (rval)
4296                         return rval;
4297
4298                 if (((data & idc_lck_rcvry_owner_mask) >> 2) == ha->portnum) {
4299                         data &= (IDC_LOCK_RECOVERY_STAGE2 |
4300                                         ~(idc_lck_rcvry_stage_mask));
4301                         rval = qla83xx_wr_reg(base_vha,
4302                             QLA83XX_IDC_LOCK_RECOVERY, data);
4303                         if (rval)
4304                                 return rval;
4305
4306                         /* Forcefully perform IDC UnLock */
4307                         rval = qla83xx_rd_reg(base_vha, QLA83XX_DRIVER_UNLOCK,
4308                             &data);
4309                         if (rval)
4310                                 return rval;
4311                         /* Clear lock-id by setting 0xff */
4312                         rval = qla83xx_wr_reg(base_vha, QLA83XX_DRIVER_LOCKID,
4313                             0xff);
4314                         if (rval)
4315                                 return rval;
4316                         /* Clear lock-recovery by setting 0x0 */
4317                         rval = qla83xx_wr_reg(base_vha,
4318                             QLA83XX_IDC_LOCK_RECOVERY, 0x0);
4319                         if (rval)
4320                                 return rval;
4321                 } else
4322                         return QLA_SUCCESS;
4323         }
4324
4325         return rval;
4326 }
4327
4328 static int
4329 qla83xx_idc_lock_recovery(scsi_qla_host_t *base_vha)
4330 {
4331         int rval = QLA_SUCCESS;
4332         uint32_t o_drv_lockid, n_drv_lockid;
4333         unsigned long lock_recovery_timeout;
4334
4335         lock_recovery_timeout = jiffies + QLA83XX_MAX_LOCK_RECOVERY_WAIT;
4336 retry_lockid:
4337         rval = qla83xx_rd_reg(base_vha, QLA83XX_DRIVER_LOCKID, &o_drv_lockid);
4338         if (rval)
4339                 goto exit;
4340
4341         /* MAX wait time before forcing IDC Lock recovery = 2 secs */
4342         if (time_after_eq(jiffies, lock_recovery_timeout)) {
4343                 if (qla83xx_force_lock_recovery(base_vha) == QLA_SUCCESS)
4344                         return QLA_SUCCESS;
4345                 else
4346                         return QLA_FUNCTION_FAILED;
4347         }
4348
4349         rval = qla83xx_rd_reg(base_vha, QLA83XX_DRIVER_LOCKID, &n_drv_lockid);
4350         if (rval)
4351                 goto exit;
4352
4353         if (o_drv_lockid == n_drv_lockid) {
4354                 qla83xx_wait_logic();
4355                 goto retry_lockid;
4356         } else
4357                 return QLA_SUCCESS;
4358
4359 exit:
4360         return rval;
4361 }
4362
4363 void
4364 qla83xx_idc_lock(scsi_qla_host_t *base_vha, uint16_t requester_id)
4365 {
4366         uint16_t options = (requester_id << 15) | BIT_6;
4367         uint32_t data;
4368         uint32_t lock_owner;
4369         struct qla_hw_data *ha = base_vha->hw;
4370
4371         /* IDC-lock implementation using driver-lock/lock-id remote registers */
4372 retry_lock:
4373         if (qla83xx_rd_reg(base_vha, QLA83XX_DRIVER_LOCK, &data)
4374             == QLA_SUCCESS) {
4375                 if (data) {
4376                         /* Setting lock-id to our function-number */
4377                         qla83xx_wr_reg(base_vha, QLA83XX_DRIVER_LOCKID,
4378                             ha->portnum);
4379                 } else {
4380                         qla83xx_rd_reg(base_vha, QLA83XX_DRIVER_LOCKID,
4381                             &lock_owner);
4382                         ql_dbg(ql_dbg_p3p, base_vha, 0xb063,
4383                             "Failed to acquire IDC lock, acquired by %d, "
4384                             "retrying...\n", lock_owner);
4385
4386                         /* Retry/Perform IDC-Lock recovery */
4387                         if (qla83xx_idc_lock_recovery(base_vha)
4388                             == QLA_SUCCESS) {
4389                                 qla83xx_wait_logic();
4390                                 goto retry_lock;
4391                         } else
4392                                 ql_log(ql_log_warn, base_vha, 0xb075,
4393                                     "IDC Lock recovery FAILED.\n");
4394                 }
4395
4396         }
4397
4398         return;
4399
4400         /* XXX: IDC-lock implementation using access-control mbx */
4401 retry_lock2:
4402         if (qla83xx_access_control(base_vha, options, 0, 0, NULL)) {
4403                 ql_dbg(ql_dbg_p3p, base_vha, 0xb072,
4404                     "Failed to acquire IDC lock. retrying...\n");
4405                 /* Retry/Perform IDC-Lock recovery */
4406                 if (qla83xx_idc_lock_recovery(base_vha) == QLA_SUCCESS) {
4407                         qla83xx_wait_logic();
4408                         goto retry_lock2;
4409                 } else
4410                         ql_log(ql_log_warn, base_vha, 0xb076,
4411                             "IDC Lock recovery FAILED.\n");
4412         }
4413
4414         return;
4415 }
4416
4417 void
4418 qla83xx_idc_unlock(scsi_qla_host_t *base_vha, uint16_t requester_id)
4419 {
4420 #if 0
4421         uint16_t options = (requester_id << 15) | BIT_7;
4422 #endif
4423         uint16_t retry;
4424         uint32_t data;
4425         struct qla_hw_data *ha = base_vha->hw;
4426
4427         /* IDC-unlock implementation using driver-unlock/lock-id
4428          * remote registers
4429          */
4430         retry = 0;
4431 retry_unlock:
4432         if (qla83xx_rd_reg(base_vha, QLA83XX_DRIVER_LOCKID, &data)
4433             == QLA_SUCCESS) {
4434                 if (data == ha->portnum) {
4435                         qla83xx_rd_reg(base_vha, QLA83XX_DRIVER_UNLOCK, &data);
4436                         /* Clearing lock-id by setting 0xff */
4437                         qla83xx_wr_reg(base_vha, QLA83XX_DRIVER_LOCKID, 0xff);
4438                 } else if (retry < 10) {
4439                         /* SV: XXX: IDC unlock retrying needed here? */
4440
4441                         /* Retry for IDC-unlock */
4442                         qla83xx_wait_logic();
4443                         retry++;
4444                         ql_dbg(ql_dbg_p3p, base_vha, 0xb064,
4445                             "Failed to release IDC lock, retyring=%d\n", retry);
4446                         goto retry_unlock;
4447                 }
4448         } else if (retry < 10) {
4449                 /* Retry for IDC-unlock */
4450                 qla83xx_wait_logic();
4451                 retry++;
4452                 ql_dbg(ql_dbg_p3p, base_vha, 0xb065,
4453                     "Failed to read drv-lockid, retyring=%d\n", retry);
4454                 goto retry_unlock;
4455         }
4456
4457         return;
4458
4459 #if 0
4460         /* XXX: IDC-unlock implementation using access-control mbx */
4461         retry = 0;
4462 retry_unlock2:
4463         if (qla83xx_access_control(base_vha, options, 0, 0, NULL)) {
4464                 if (retry < 10) {
4465                         /* Retry for IDC-unlock */
4466                         qla83xx_wait_logic();
4467                         retry++;
4468                         ql_dbg(ql_dbg_p3p, base_vha, 0xb066,
4469                             "Failed to release IDC lock, retyring=%d\n", retry);
4470                         goto retry_unlock2;
4471                 }
4472         }
4473
4474         return;
4475 #endif
4476 }
4477
4478 int
4479 __qla83xx_set_drv_presence(scsi_qla_host_t *vha)
4480 {
4481         int rval = QLA_SUCCESS;
4482         struct qla_hw_data *ha = vha->hw;
4483         uint32_t drv_presence;
4484
4485         rval = qla83xx_rd_reg(vha, QLA83XX_IDC_DRV_PRESENCE, &drv_presence);
4486         if (rval == QLA_SUCCESS) {
4487                 drv_presence |= (1 << ha->portnum);
4488                 rval = qla83xx_wr_reg(vha, QLA83XX_IDC_DRV_PRESENCE,
4489                     drv_presence);
4490         }
4491
4492         return rval;
4493 }
4494
4495 int
4496 qla83xx_set_drv_presence(scsi_qla_host_t *vha)
4497 {
4498         int rval = QLA_SUCCESS;
4499
4500         qla83xx_idc_lock(vha, 0);
4501         rval = __qla83xx_set_drv_presence(vha);
4502         qla83xx_idc_unlock(vha, 0);
4503
4504         return rval;
4505 }
4506
4507 int
4508 __qla83xx_clear_drv_presence(scsi_qla_host_t *vha)
4509 {
4510         int rval = QLA_SUCCESS;
4511         struct qla_hw_data *ha = vha->hw;
4512         uint32_t drv_presence;
4513
4514         rval = qla83xx_rd_reg(vha, QLA83XX_IDC_DRV_PRESENCE, &drv_presence);
4515         if (rval == QLA_SUCCESS) {
4516                 drv_presence &= ~(1 << ha->portnum);
4517                 rval = qla83xx_wr_reg(vha, QLA83XX_IDC_DRV_PRESENCE,
4518                     drv_presence);
4519         }
4520
4521         return rval;
4522 }
4523
4524 int
4525 qla83xx_clear_drv_presence(scsi_qla_host_t *vha)
4526 {
4527         int rval = QLA_SUCCESS;
4528
4529         qla83xx_idc_lock(vha, 0);
4530         rval = __qla83xx_clear_drv_presence(vha);
4531         qla83xx_idc_unlock(vha, 0);
4532
4533         return rval;
4534 }
4535
4536 static void
4537 qla83xx_need_reset_handler(scsi_qla_host_t *vha)
4538 {
4539         struct qla_hw_data *ha = vha->hw;
4540         uint32_t drv_ack, drv_presence;
4541         unsigned long ack_timeout;
4542
4543         /* Wait for IDC ACK from all functions (DRV-ACK == DRV-PRESENCE) */
4544         ack_timeout = jiffies + (ha->fcoe_reset_timeout * HZ);
4545         while (1) {
4546                 qla83xx_rd_reg(vha, QLA83XX_IDC_DRIVER_ACK, &drv_ack);
4547                 qla83xx_rd_reg(vha, QLA83XX_IDC_DRV_PRESENCE, &drv_presence);
4548                 if ((drv_ack & drv_presence) == drv_presence)
4549                         break;
4550
4551                 if (time_after_eq(jiffies, ack_timeout)) {
4552                         ql_log(ql_log_warn, vha, 0xb067,
4553                             "RESET ACK TIMEOUT! drv_presence=0x%x "
4554                             "drv_ack=0x%x\n", drv_presence, drv_ack);
4555                         /*
4556                          * The function(s) which did not ack in time are forced
4557                          * to withdraw any further participation in the IDC
4558                          * reset.
4559                          */
4560                         if (drv_ack != drv_presence)
4561                                 qla83xx_wr_reg(vha, QLA83XX_IDC_DRV_PRESENCE,
4562                                     drv_ack);
4563                         break;
4564                 }
4565
4566                 qla83xx_idc_unlock(vha, 0);
4567                 msleep(1000);
4568                 qla83xx_idc_lock(vha, 0);
4569         }
4570
4571         qla83xx_wr_reg(vha, QLA83XX_IDC_DEV_STATE, QLA8XXX_DEV_COLD);
4572         ql_log(ql_log_info, vha, 0xb068, "HW State: COLD/RE-INIT.\n");
4573 }
4574
4575 static int
4576 qla83xx_device_bootstrap(scsi_qla_host_t *vha)
4577 {
4578         int rval = QLA_SUCCESS;
4579         uint32_t idc_control;
4580
4581         qla83xx_wr_reg(vha, QLA83XX_IDC_DEV_STATE, QLA8XXX_DEV_INITIALIZING);
4582         ql_log(ql_log_info, vha, 0xb069, "HW State: INITIALIZING.\n");
4583
4584         /* Clearing IDC-Control Graceful-Reset Bit before resetting f/w */
4585         __qla83xx_get_idc_control(vha, &idc_control);
4586         idc_control &= ~QLA83XX_IDC_GRACEFUL_RESET;
4587         __qla83xx_set_idc_control(vha, 0);
4588
4589         qla83xx_idc_unlock(vha, 0);
4590         rval = qla83xx_restart_nic_firmware(vha);
4591         qla83xx_idc_lock(vha, 0);
4592
4593         if (rval != QLA_SUCCESS) {
4594                 ql_log(ql_log_fatal, vha, 0xb06a,
4595                     "Failed to restart NIC f/w.\n");
4596                 qla83xx_wr_reg(vha, QLA83XX_IDC_DEV_STATE, QLA8XXX_DEV_FAILED);
4597                 ql_log(ql_log_info, vha, 0xb06b, "HW State: FAILED.\n");
4598         } else {
4599                 ql_dbg(ql_dbg_p3p, vha, 0xb06c,
4600                     "Success in restarting nic f/w.\n");
4601                 qla83xx_wr_reg(vha, QLA83XX_IDC_DEV_STATE, QLA8XXX_DEV_READY);
4602                 ql_log(ql_log_info, vha, 0xb06d, "HW State: READY.\n");
4603         }
4604
4605         return rval;
4606 }
4607
4608 /* Assumes idc_lock always held on entry */
4609 int
4610 qla83xx_idc_state_handler(scsi_qla_host_t *base_vha)
4611 {
4612         struct qla_hw_data *ha = base_vha->hw;
4613         int rval = QLA_SUCCESS;
4614         unsigned long dev_init_timeout;
4615         uint32_t dev_state;
4616
4617         /* Wait for MAX-INIT-TIMEOUT for the device to go ready */
4618         dev_init_timeout = jiffies + (ha->fcoe_dev_init_timeout * HZ);
4619
4620         while (1) {
4621
4622                 if (time_after_eq(jiffies, dev_init_timeout)) {
4623                         ql_log(ql_log_warn, base_vha, 0xb06e,
4624                             "Initialization TIMEOUT!\n");
4625                         /* Init timeout. Disable further NIC Core
4626                          * communication.
4627                          */
4628                         qla83xx_wr_reg(base_vha, QLA83XX_IDC_DEV_STATE,
4629                                 QLA8XXX_DEV_FAILED);
4630                         ql_log(ql_log_info, base_vha, 0xb06f,
4631                             "HW State: FAILED.\n");
4632                 }
4633
4634                 qla83xx_rd_reg(base_vha, QLA83XX_IDC_DEV_STATE, &dev_state);
4635                 switch (dev_state) {
4636                 case QLA8XXX_DEV_READY:
4637                         if (ha->flags.nic_core_reset_owner)
4638                                 qla83xx_idc_audit(base_vha,
4639                                     IDC_AUDIT_COMPLETION);
4640                         ha->flags.nic_core_reset_owner = 0;
4641                         ql_dbg(ql_dbg_p3p, base_vha, 0xb070,
4642                             "Reset_owner reset by 0x%x.\n",
4643                             ha->portnum);
4644                         goto exit;
4645                 case QLA8XXX_DEV_COLD:
4646                         if (ha->flags.nic_core_reset_owner)
4647                                 rval = qla83xx_device_bootstrap(base_vha);
4648                         else {
4649                         /* Wait for AEN to change device-state */
4650                                 qla83xx_idc_unlock(base_vha, 0);
4651                                 msleep(1000);
4652                                 qla83xx_idc_lock(base_vha, 0);
4653                         }
4654                         break;
4655                 case QLA8XXX_DEV_INITIALIZING:
4656                         /* Wait for AEN to change device-state */
4657                         qla83xx_idc_unlock(base_vha, 0);
4658                         msleep(1000);
4659                         qla83xx_idc_lock(base_vha, 0);
4660                         break;
4661                 case QLA8XXX_DEV_NEED_RESET:
4662                         if (!ql2xdontresethba && ha->flags.nic_core_reset_owner)
4663                                 qla83xx_need_reset_handler(base_vha);
4664                         else {
4665                                 /* Wait for AEN to change device-state */
4666                                 qla83xx_idc_unlock(base_vha, 0);
4667                                 msleep(1000);
4668                                 qla83xx_idc_lock(base_vha, 0);
4669                         }
4670                         /* reset timeout value after need reset handler */
4671                         dev_init_timeout = jiffies +
4672                             (ha->fcoe_dev_init_timeout * HZ);
4673                         break;
4674                 case QLA8XXX_DEV_NEED_QUIESCENT:
4675                         /* XXX: DEBUG for now */
4676                         qla83xx_idc_unlock(base_vha, 0);
4677                         msleep(1000);
4678                         qla83xx_idc_lock(base_vha, 0);
4679                         break;
4680                 case QLA8XXX_DEV_QUIESCENT:
4681                         /* XXX: DEBUG for now */
4682                         if (ha->flags.quiesce_owner)
4683                                 goto exit;
4684
4685                         qla83xx_idc_unlock(base_vha, 0);
4686                         msleep(1000);
4687                         qla83xx_idc_lock(base_vha, 0);
4688                         dev_init_timeout = jiffies +
4689                             (ha->fcoe_dev_init_timeout * HZ);
4690                         break;
4691                 case QLA8XXX_DEV_FAILED:
4692                         if (ha->flags.nic_core_reset_owner)
4693                                 qla83xx_idc_audit(base_vha,
4694                                     IDC_AUDIT_COMPLETION);
4695                         ha->flags.nic_core_reset_owner = 0;
4696                         __qla83xx_clear_drv_presence(base_vha);
4697                         qla83xx_idc_unlock(base_vha, 0);
4698                         qla8xxx_dev_failed_handler(base_vha);
4699                         rval = QLA_FUNCTION_FAILED;
4700                         qla83xx_idc_lock(base_vha, 0);
4701                         goto exit;
4702                 case QLA8XXX_BAD_VALUE:
4703                         qla83xx_idc_unlock(base_vha, 0);
4704                         msleep(1000);
4705                         qla83xx_idc_lock(base_vha, 0);
4706                         break;
4707                 default:
4708                         ql_log(ql_log_warn, base_vha, 0xb071,
4709                             "Unknown Device State: %x.\n", dev_state);
4710                         qla83xx_idc_unlock(base_vha, 0);
4711                         qla8xxx_dev_failed_handler(base_vha);
4712                         rval = QLA_FUNCTION_FAILED;
4713                         qla83xx_idc_lock(base_vha, 0);
4714                         goto exit;
4715                 }
4716         }
4717
4718 exit:
4719         return rval;
4720 }
4721
4722 void
4723 qla2x00_disable_board_on_pci_error(struct work_struct *work)
4724 {
4725         struct qla_hw_data *ha = container_of(work, struct qla_hw_data,
4726             board_disable);
4727         struct pci_dev *pdev = ha->pdev;
4728         scsi_qla_host_t *base_vha = pci_get_drvdata(ha->pdev);
4729
4730         ql_log(ql_log_warn, base_vha, 0x015b,
4731             "Disabling adapter.\n");
4732
4733         set_bit(UNLOADING, &base_vha->dpc_flags);
4734
4735         qla2x00_delete_all_vps(ha, base_vha);
4736
4737         qla2x00_abort_all_cmds(base_vha, DID_NO_CONNECT << 16);
4738
4739         qla2x00_dfs_remove(base_vha);
4740
4741         qla84xx_put_chip(base_vha);
4742
4743         if (base_vha->timer_active)
4744                 qla2x00_stop_timer(base_vha);
4745
4746         base_vha->flags.online = 0;
4747
4748         qla2x00_destroy_deferred_work(ha);
4749
4750         /*
4751          * Do not try to stop beacon blink as it will issue a mailbox
4752          * command.
4753          */
4754         qla2x00_free_sysfs_attr(base_vha, false);
4755
4756         fc_remove_host(base_vha->host);
4757
4758         scsi_remove_host(base_vha->host);
4759
4760         base_vha->flags.init_done = 0;
4761         qla25xx_delete_queues(base_vha);
4762         qla2x00_free_irqs(base_vha);
4763         qla2x00_free_fcports(base_vha);
4764         qla2x00_mem_free(ha);
4765         qla82xx_md_free(base_vha);
4766         qla2x00_free_queues(ha);
4767
4768         qla2x00_unmap_iobases(ha);
4769
4770         pci_release_selected_regions(ha->pdev, ha->bars);
4771         pci_disable_pcie_error_reporting(pdev);
4772         pci_disable_device(pdev);
4773
4774         /*
4775          * Let qla2x00_remove_one cleanup qla_hw_data on device removal.
4776          */
4777 }
4778
4779 /**************************************************************************
4780 * qla2x00_do_dpc
4781 *   This kernel thread is a task that is schedule by the interrupt handler
4782 *   to perform the background processing for interrupts.
4783 *
4784 * Notes:
4785 * This task always run in the context of a kernel thread.  It
4786 * is kick-off by the driver's detect code and starts up
4787 * up one per adapter. It immediately goes to sleep and waits for
4788 * some fibre event.  When either the interrupt handler or
4789 * the timer routine detects a event it will one of the task
4790 * bits then wake us up.
4791 **************************************************************************/
4792 static int
4793 qla2x00_do_dpc(void *data)
4794 {
4795         scsi_qla_host_t *base_vha;
4796         struct qla_hw_data *ha;
4797
4798         ha = (struct qla_hw_data *)data;
4799         base_vha = pci_get_drvdata(ha->pdev);
4800
4801         set_user_nice(current, MIN_NICE);
4802
4803         set_current_state(TASK_INTERRUPTIBLE);
4804         while (!kthread_should_stop()) {
4805                 ql_dbg(ql_dbg_dpc, base_vha, 0x4000,
4806                     "DPC handler sleeping.\n");
4807
4808                 schedule();
4809
4810                 if (!base_vha->flags.init_done || ha->flags.mbox_busy)
4811                         goto end_loop;
4812
4813                 if (ha->flags.eeh_busy) {
4814                         ql_dbg(ql_dbg_dpc, base_vha, 0x4003,
4815                             "eeh_busy=%d.\n", ha->flags.eeh_busy);
4816                         goto end_loop;
4817                 }
4818
4819                 ha->dpc_active = 1;
4820
4821                 ql_dbg(ql_dbg_dpc + ql_dbg_verbose, base_vha, 0x4001,
4822                     "DPC handler waking up, dpc_flags=0x%lx.\n",
4823                     base_vha->dpc_flags);
4824
4825                 qla2x00_do_work(base_vha);
4826
4827                 if (IS_P3P_TYPE(ha)) {
4828                         if (IS_QLA8044(ha)) {
4829                                 if (test_and_clear_bit(ISP_UNRECOVERABLE,
4830                                         &base_vha->dpc_flags)) {
4831                                         qla8044_idc_lock(ha);
4832                                         qla8044_wr_direct(base_vha,
4833                                                 QLA8044_CRB_DEV_STATE_INDEX,
4834                                                 QLA8XXX_DEV_FAILED);
4835                                         qla8044_idc_unlock(ha);
4836                                         ql_log(ql_log_info, base_vha, 0x4004,
4837                                                 "HW State: FAILED.\n");
4838                                         qla8044_device_state_handler(base_vha);
4839                                         continue;
4840                                 }
4841
4842                         } else {
4843                                 if (test_and_clear_bit(ISP_UNRECOVERABLE,
4844                                         &base_vha->dpc_flags)) {
4845                                         qla82xx_idc_lock(ha);
4846                                         qla82xx_wr_32(ha, QLA82XX_CRB_DEV_STATE,
4847                                                 QLA8XXX_DEV_FAILED);
4848                                         qla82xx_idc_unlock(ha);
4849                                         ql_log(ql_log_info, base_vha, 0x0151,
4850                                                 "HW State: FAILED.\n");
4851                                         qla82xx_device_state_handler(base_vha);
4852                                         continue;
4853                                 }
4854                         }
4855
4856                         if (test_and_clear_bit(FCOE_CTX_RESET_NEEDED,
4857                                 &base_vha->dpc_flags)) {
4858
4859                                 ql_dbg(ql_dbg_dpc, base_vha, 0x4005,
4860                                     "FCoE context reset scheduled.\n");
4861                                 if (!(test_and_set_bit(ABORT_ISP_ACTIVE,
4862                                         &base_vha->dpc_flags))) {
4863                                         if (qla82xx_fcoe_ctx_reset(base_vha)) {
4864                                                 /* FCoE-ctx reset failed.
4865                                                  * Escalate to chip-reset
4866                                                  */
4867                                                 set_bit(ISP_ABORT_NEEDED,
4868                                                         &base_vha->dpc_flags);
4869                                         }
4870                                         clear_bit(ABORT_ISP_ACTIVE,
4871                                                 &base_vha->dpc_flags);
4872                                 }
4873
4874                                 ql_dbg(ql_dbg_dpc, base_vha, 0x4006,
4875                                     "FCoE context reset end.\n");
4876                         }
4877                 } else if (IS_QLAFX00(ha)) {
4878                         if (test_and_clear_bit(ISP_UNRECOVERABLE,
4879                                 &base_vha->dpc_flags)) {
4880                                 ql_dbg(ql_dbg_dpc, base_vha, 0x4020,
4881                                     "Firmware Reset Recovery\n");
4882                                 if (qlafx00_reset_initialize(base_vha)) {
4883                                         /* Failed. Abort isp later. */
4884                                         if (!test_bit(UNLOADING,
4885                                             &base_vha->dpc_flags)) {
4886                                                 set_bit(ISP_UNRECOVERABLE,
4887                                                     &base_vha->dpc_flags);
4888                                                 ql_dbg(ql_dbg_dpc, base_vha,
4889                                                     0x4021,
4890                                                     "Reset Recovery Failed\n");
4891                                         }
4892                                 }
4893                         }
4894
4895                         if (test_and_clear_bit(FX00_TARGET_SCAN,
4896                                 &base_vha->dpc_flags)) {
4897                                 ql_dbg(ql_dbg_dpc, base_vha, 0x4022,
4898                                     "ISPFx00 Target Scan scheduled\n");
4899                                 if (qlafx00_rescan_isp(base_vha)) {
4900                                         if (!test_bit(UNLOADING,
4901                                             &base_vha->dpc_flags))
4902                                                 set_bit(ISP_UNRECOVERABLE,
4903                                                     &base_vha->dpc_flags);
4904                                         ql_dbg(ql_dbg_dpc, base_vha, 0x401e,
4905                                             "ISPFx00 Target Scan Failed\n");
4906                                 }
4907                                 ql_dbg(ql_dbg_dpc, base_vha, 0x401f,
4908                                     "ISPFx00 Target Scan End\n");
4909                         }
4910                         if (test_and_clear_bit(FX00_HOST_INFO_RESEND,
4911                                 &base_vha->dpc_flags)) {
4912                                 ql_dbg(ql_dbg_dpc, base_vha, 0x4023,
4913                                     "ISPFx00 Host Info resend scheduled\n");
4914                                 qlafx00_fx_disc(base_vha,
4915                                     &base_vha->hw->mr.fcport,
4916                                     FXDISC_REG_HOST_INFO);
4917                         }
4918                 }
4919
4920                 if (test_and_clear_bit(ISP_ABORT_NEEDED,
4921                                                 &base_vha->dpc_flags)) {
4922
4923                         ql_dbg(ql_dbg_dpc, base_vha, 0x4007,
4924                             "ISP abort scheduled.\n");
4925                         if (!(test_and_set_bit(ABORT_ISP_ACTIVE,
4926                             &base_vha->dpc_flags))) {
4927
4928                                 if (ha->isp_ops->abort_isp(base_vha)) {
4929                                         /* failed. retry later */
4930                                         set_bit(ISP_ABORT_NEEDED,
4931                                             &base_vha->dpc_flags);
4932                                 }
4933                                 clear_bit(ABORT_ISP_ACTIVE,
4934                                                 &base_vha->dpc_flags);
4935                         }
4936
4937                         ql_dbg(ql_dbg_dpc, base_vha, 0x4008,
4938                             "ISP abort end.\n");
4939                 }
4940
4941                 if (test_and_clear_bit(FCPORT_UPDATE_NEEDED,
4942                     &base_vha->dpc_flags)) {
4943                         qla2x00_update_fcports(base_vha);
4944                 }
4945
4946                 if (test_bit(SCR_PENDING, &base_vha->dpc_flags)) {
4947                         int ret;
4948                         ret = qla2x00_send_change_request(base_vha, 0x3, 0);
4949                         if (ret != QLA_SUCCESS)
4950                                 ql_log(ql_log_warn, base_vha, 0x121,
4951                                     "Failed to enable receiving of RSCN "
4952                                     "requests: 0x%x.\n", ret);
4953                         clear_bit(SCR_PENDING, &base_vha->dpc_flags);
4954                 }
4955
4956                 if (IS_QLAFX00(ha))
4957                         goto loop_resync_check;
4958
4959                 if (test_bit(ISP_QUIESCE_NEEDED, &base_vha->dpc_flags)) {
4960                         ql_dbg(ql_dbg_dpc, base_vha, 0x4009,
4961                             "Quiescence mode scheduled.\n");
4962                         if (IS_P3P_TYPE(ha)) {
4963                                 if (IS_QLA82XX(ha))
4964                                         qla82xx_device_state_handler(base_vha);
4965                                 if (IS_QLA8044(ha))
4966                                         qla8044_device_state_handler(base_vha);
4967                                 clear_bit(ISP_QUIESCE_NEEDED,
4968                                     &base_vha->dpc_flags);
4969                                 if (!ha->flags.quiesce_owner) {
4970                                         qla2x00_perform_loop_resync(base_vha);
4971                                         if (IS_QLA82XX(ha)) {
4972                                                 qla82xx_idc_lock(ha);
4973                                                 qla82xx_clear_qsnt_ready(
4974                                                     base_vha);
4975                                                 qla82xx_idc_unlock(ha);
4976                                         } else if (IS_QLA8044(ha)) {
4977                                                 qla8044_idc_lock(ha);
4978                                                 qla8044_clear_qsnt_ready(
4979                                                     base_vha);
4980                                                 qla8044_idc_unlock(ha);
4981                                         }
4982                                 }
4983                         } else {
4984                                 clear_bit(ISP_QUIESCE_NEEDED,
4985                                     &base_vha->dpc_flags);
4986                                 qla2x00_quiesce_io(base_vha);
4987                         }
4988                         ql_dbg(ql_dbg_dpc, base_vha, 0x400a,
4989                             "Quiescence mode end.\n");
4990                 }
4991
4992                 if (test_and_clear_bit(RESET_MARKER_NEEDED,
4993                                 &base_vha->dpc_flags) &&
4994                     (!(test_and_set_bit(RESET_ACTIVE, &base_vha->dpc_flags)))) {
4995
4996                         ql_dbg(ql_dbg_dpc, base_vha, 0x400b,
4997                             "Reset marker scheduled.\n");
4998                         qla2x00_rst_aen(base_vha);
4999                         clear_bit(RESET_ACTIVE, &base_vha->dpc_flags);
5000                         ql_dbg(ql_dbg_dpc, base_vha, 0x400c,
5001                             "Reset marker end.\n");
5002                 }
5003
5004                 /* Retry each device up to login retry count */
5005                 if ((test_and_clear_bit(RELOGIN_NEEDED,
5006                                                 &base_vha->dpc_flags)) &&
5007                     !test_bit(LOOP_RESYNC_NEEDED, &base_vha->dpc_flags) &&
5008                     atomic_read(&base_vha->loop_state) != LOOP_DOWN) {
5009
5010                         ql_dbg(ql_dbg_dpc, base_vha, 0x400d,
5011                             "Relogin scheduled.\n");
5012                         qla2x00_relogin(base_vha);
5013                         ql_dbg(ql_dbg_dpc, base_vha, 0x400e,
5014                             "Relogin end.\n");
5015                 }
5016 loop_resync_check:
5017                 if (test_and_clear_bit(LOOP_RESYNC_NEEDED,
5018                     &base_vha->dpc_flags)) {
5019
5020                         ql_dbg(ql_dbg_dpc, base_vha, 0x400f,
5021                             "Loop resync scheduled.\n");
5022
5023                         if (!(test_and_set_bit(LOOP_RESYNC_ACTIVE,
5024                             &base_vha->dpc_flags))) {
5025
5026                                 qla2x00_loop_resync(base_vha);
5027
5028                                 clear_bit(LOOP_RESYNC_ACTIVE,
5029                                                 &base_vha->dpc_flags);
5030                         }
5031
5032                         ql_dbg(ql_dbg_dpc, base_vha, 0x4010,
5033                             "Loop resync end.\n");
5034                 }
5035
5036                 if (IS_QLAFX00(ha))
5037                         goto intr_on_check;
5038
5039                 if (test_bit(NPIV_CONFIG_NEEDED, &base_vha->dpc_flags) &&
5040                     atomic_read(&base_vha->loop_state) == LOOP_READY) {
5041                         clear_bit(NPIV_CONFIG_NEEDED, &base_vha->dpc_flags);
5042                         qla2xxx_flash_npiv_conf(base_vha);
5043                 }
5044
5045 intr_on_check:
5046                 if (!ha->interrupts_on)
5047                         ha->isp_ops->enable_intrs(ha);
5048
5049                 if (test_and_clear_bit(BEACON_BLINK_NEEDED,
5050                                         &base_vha->dpc_flags)) {
5051                         if (ha->beacon_blink_led == 1)
5052                                 ha->isp_ops->beacon_blink(base_vha);
5053                 }
5054
5055                 if (!IS_QLAFX00(ha))
5056                         qla2x00_do_dpc_all_vps(base_vha);
5057
5058                 ha->dpc_active = 0;
5059 end_loop:
5060                 set_current_state(TASK_INTERRUPTIBLE);
5061         } /* End of while(1) */
5062         __set_current_state(TASK_RUNNING);
5063
5064         ql_dbg(ql_dbg_dpc, base_vha, 0x4011,
5065             "DPC handler exiting.\n");
5066
5067         /*
5068          * Make sure that nobody tries to wake us up again.
5069          */
5070         ha->dpc_active = 0;
5071
5072         /* Cleanup any residual CTX SRBs. */
5073         qla2x00_abort_all_cmds(base_vha, DID_NO_CONNECT << 16);
5074
5075         return 0;
5076 }
5077
5078 void
5079 qla2xxx_wake_dpc(struct scsi_qla_host *vha)
5080 {
5081         struct qla_hw_data *ha = vha->hw;
5082         struct task_struct *t = ha->dpc_thread;
5083
5084         if (!test_bit(UNLOADING, &vha->dpc_flags) && t)
5085                 wake_up_process(t);
5086 }
5087
5088 /*
5089 *  qla2x00_rst_aen
5090 *      Processes asynchronous reset.
5091 *
5092 * Input:
5093 *      ha  = adapter block pointer.
5094 */
5095 static void
5096 qla2x00_rst_aen(scsi_qla_host_t *vha)
5097 {
5098         if (vha->flags.online && !vha->flags.reset_active &&
5099             !atomic_read(&vha->loop_down_timer) &&
5100             !(test_bit(ABORT_ISP_ACTIVE, &vha->dpc_flags))) {
5101                 do {
5102                         clear_bit(RESET_MARKER_NEEDED, &vha->dpc_flags);
5103
5104                         /*
5105                          * Issue marker command only when we are going to start
5106                          * the I/O.
5107                          */
5108                         vha->marker_needed = 1;
5109                 } while (!atomic_read(&vha->loop_down_timer) &&
5110                     (test_bit(RESET_MARKER_NEEDED, &vha->dpc_flags)));
5111         }
5112 }
5113
5114 /**************************************************************************
5115 *   qla2x00_timer
5116 *
5117 * Description:
5118 *   One second timer
5119 *
5120 * Context: Interrupt
5121 ***************************************************************************/
5122 void
5123 qla2x00_timer(scsi_qla_host_t *vha)
5124 {
5125         unsigned long   cpu_flags = 0;
5126         int             start_dpc = 0;
5127         int             index;
5128         srb_t           *sp;
5129         uint16_t        w;
5130         struct qla_hw_data *ha = vha->hw;
5131         struct req_que *req;
5132
5133         if (ha->flags.eeh_busy) {
5134                 ql_dbg(ql_dbg_timer, vha, 0x6000,
5135                     "EEH = %d, restarting timer.\n",
5136                     ha->flags.eeh_busy);
5137                 qla2x00_restart_timer(vha, WATCH_INTERVAL);
5138                 return;
5139         }
5140
5141         /*
5142          * Hardware read to raise pending EEH errors during mailbox waits. If
5143          * the read returns -1 then disable the board.
5144          */
5145         if (!pci_channel_offline(ha->pdev)) {
5146                 pci_read_config_word(ha->pdev, PCI_VENDOR_ID, &w);
5147                 qla2x00_check_reg16_for_disconnect(vha, w);
5148         }
5149
5150         /* Make sure qla82xx_watchdog is run only for physical port */
5151         if (!vha->vp_idx && IS_P3P_TYPE(ha)) {
5152                 if (test_bit(ISP_QUIESCE_NEEDED, &vha->dpc_flags))
5153                         start_dpc++;
5154                 if (IS_QLA82XX(ha))
5155                         qla82xx_watchdog(vha);
5156                 else if (IS_QLA8044(ha))
5157                         qla8044_watchdog(vha);
5158         }
5159
5160         if (!vha->vp_idx && IS_QLAFX00(ha))
5161                 qlafx00_timer_routine(vha);
5162
5163         /* Loop down handler. */
5164         if (atomic_read(&vha->loop_down_timer) > 0 &&
5165             !(test_bit(ABORT_ISP_ACTIVE, &vha->dpc_flags)) &&
5166             !(test_bit(FCOE_CTX_RESET_NEEDED, &vha->dpc_flags))
5167                 && vha->flags.online) {
5168
5169                 if (atomic_read(&vha->loop_down_timer) ==
5170                     vha->loop_down_abort_time) {
5171
5172                         ql_log(ql_log_info, vha, 0x6008,
5173                             "Loop down - aborting the queues before time expires.\n");
5174
5175                         if (!IS_QLA2100(ha) && vha->link_down_timeout)
5176                                 atomic_set(&vha->loop_state, LOOP_DEAD);
5177
5178                         /*
5179                          * Schedule an ISP abort to return any FCP2-device
5180                          * commands.
5181                          */
5182                         /* NPIV - scan physical port only */
5183                         if (!vha->vp_idx) {
5184                                 spin_lock_irqsave(&ha->hardware_lock,
5185                                     cpu_flags);
5186                                 req = ha->req_q_map[0];
5187                                 for (index = 1;
5188                                     index < req->num_outstanding_cmds;
5189                                     index++) {
5190                                         fc_port_t *sfcp;
5191
5192                                         sp = req->outstanding_cmds[index];
5193                                         if (!sp)
5194                                                 continue;
5195                                         if (sp->type != SRB_SCSI_CMD)
5196                                                 continue;
5197                                         sfcp = sp->fcport;
5198                                         if (!(sfcp->flags & FCF_FCP2_DEVICE))
5199                                                 continue;
5200
5201                                         if (IS_QLA82XX(ha))
5202                                                 set_bit(FCOE_CTX_RESET_NEEDED,
5203                                                         &vha->dpc_flags);
5204                                         else
5205                                                 set_bit(ISP_ABORT_NEEDED,
5206                                                         &vha->dpc_flags);
5207                                         break;
5208                                 }
5209                                 spin_unlock_irqrestore(&ha->hardware_lock,
5210                                                                 cpu_flags);
5211                         }
5212                         start_dpc++;
5213                 }
5214
5215                 /* if the loop has been down for 4 minutes, reinit adapter */
5216                 if (atomic_dec_and_test(&vha->loop_down_timer) != 0) {
5217                         if (!(vha->device_flags & DFLG_NO_CABLE)) {
5218                                 ql_log(ql_log_warn, vha, 0x6009,
5219                                     "Loop down - aborting ISP.\n");
5220
5221                                 if (IS_QLA82XX(ha))
5222                                         set_bit(FCOE_CTX_RESET_NEEDED,
5223                                                 &vha->dpc_flags);
5224                                 else
5225                                         set_bit(ISP_ABORT_NEEDED,
5226                                                 &vha->dpc_flags);
5227                         }
5228                 }
5229                 ql_dbg(ql_dbg_timer, vha, 0x600a,
5230                     "Loop down - seconds remaining %d.\n",
5231                     atomic_read(&vha->loop_down_timer));
5232         }
5233         /* Check if beacon LED needs to be blinked for physical host only */
5234         if (!vha->vp_idx && (ha->beacon_blink_led == 1)) {
5235                 /* There is no beacon_blink function for ISP82xx */
5236                 if (!IS_P3P_TYPE(ha)) {
5237                         set_bit(BEACON_BLINK_NEEDED, &vha->dpc_flags);
5238                         start_dpc++;
5239                 }
5240         }
5241
5242         /* Process any deferred work. */
5243         if (!list_empty(&vha->work_list))
5244                 start_dpc++;
5245
5246         /* Schedule the DPC routine if needed */
5247         if ((test_bit(ISP_ABORT_NEEDED, &vha->dpc_flags) ||
5248             test_bit(LOOP_RESYNC_NEEDED, &vha->dpc_flags) ||
5249             test_bit(FCPORT_UPDATE_NEEDED, &vha->dpc_flags) ||
5250             start_dpc ||
5251             test_bit(RESET_MARKER_NEEDED, &vha->dpc_flags) ||
5252             test_bit(BEACON_BLINK_NEEDED, &vha->dpc_flags) ||
5253             test_bit(ISP_UNRECOVERABLE, &vha->dpc_flags) ||
5254             test_bit(FCOE_CTX_RESET_NEEDED, &vha->dpc_flags) ||
5255             test_bit(VP_DPC_NEEDED, &vha->dpc_flags) ||
5256             test_bit(RELOGIN_NEEDED, &vha->dpc_flags))) {
5257                 ql_dbg(ql_dbg_timer, vha, 0x600b,
5258                     "isp_abort_needed=%d loop_resync_needed=%d "
5259                     "fcport_update_needed=%d start_dpc=%d "
5260                     "reset_marker_needed=%d",
5261                     test_bit(ISP_ABORT_NEEDED, &vha->dpc_flags),
5262                     test_bit(LOOP_RESYNC_NEEDED, &vha->dpc_flags),
5263                     test_bit(FCPORT_UPDATE_NEEDED, &vha->dpc_flags),
5264                     start_dpc,
5265                     test_bit(RESET_MARKER_NEEDED, &vha->dpc_flags));
5266                 ql_dbg(ql_dbg_timer, vha, 0x600c,
5267                     "beacon_blink_needed=%d isp_unrecoverable=%d "
5268                     "fcoe_ctx_reset_needed=%d vp_dpc_needed=%d "
5269                     "relogin_needed=%d.\n",
5270                     test_bit(BEACON_BLINK_NEEDED, &vha->dpc_flags),
5271                     test_bit(ISP_UNRECOVERABLE, &vha->dpc_flags),
5272                     test_bit(FCOE_CTX_RESET_NEEDED, &vha->dpc_flags),
5273                     test_bit(VP_DPC_NEEDED, &vha->dpc_flags),
5274                     test_bit(RELOGIN_NEEDED, &vha->dpc_flags));
5275                 qla2xxx_wake_dpc(vha);
5276         }
5277
5278         qla2x00_restart_timer(vha, WATCH_INTERVAL);
5279 }
5280
5281 /* Firmware interface routines. */
5282
5283 #define FW_BLOBS        11
5284 #define FW_ISP21XX      0
5285 #define FW_ISP22XX      1
5286 #define FW_ISP2300      2
5287 #define FW_ISP2322      3
5288 #define FW_ISP24XX      4
5289 #define FW_ISP25XX      5
5290 #define FW_ISP81XX      6
5291 #define FW_ISP82XX      7
5292 #define FW_ISP2031      8
5293 #define FW_ISP8031      9
5294 #define FW_ISP27XX      10
5295
5296 #define FW_FILE_ISP21XX "ql2100_fw.bin"
5297 #define FW_FILE_ISP22XX "ql2200_fw.bin"
5298 #define FW_FILE_ISP2300 "ql2300_fw.bin"
5299 #define FW_FILE_ISP2322 "ql2322_fw.bin"
5300 #define FW_FILE_ISP24XX "ql2400_fw.bin"
5301 #define FW_FILE_ISP25XX "ql2500_fw.bin"
5302 #define FW_FILE_ISP81XX "ql8100_fw.bin"
5303 #define FW_FILE_ISP82XX "ql8200_fw.bin"
5304 #define FW_FILE_ISP2031 "ql2600_fw.bin"
5305 #define FW_FILE_ISP8031 "ql8300_fw.bin"
5306 #define FW_FILE_ISP27XX "ql2700_fw.bin"
5307
5308
5309 static DEFINE_MUTEX(qla_fw_lock);
5310
5311 static struct fw_blob qla_fw_blobs[FW_BLOBS] = {
5312         { .name = FW_FILE_ISP21XX, .segs = { 0x1000, 0 }, },
5313         { .name = FW_FILE_ISP22XX, .segs = { 0x1000, 0 }, },
5314         { .name = FW_FILE_ISP2300, .segs = { 0x800, 0 }, },
5315         { .name = FW_FILE_ISP2322, .segs = { 0x800, 0x1c000, 0x1e000, 0 }, },
5316         { .name = FW_FILE_ISP24XX, },
5317         { .name = FW_FILE_ISP25XX, },
5318         { .name = FW_FILE_ISP81XX, },
5319         { .name = FW_FILE_ISP82XX, },
5320         { .name = FW_FILE_ISP2031, },
5321         { .name = FW_FILE_ISP8031, },
5322         { .name = FW_FILE_ISP27XX, },
5323 };
5324
5325 struct fw_blob *
5326 qla2x00_request_firmware(scsi_qla_host_t *vha)
5327 {
5328         struct qla_hw_data *ha = vha->hw;
5329         struct fw_blob *blob;
5330
5331         if (IS_QLA2100(ha)) {
5332                 blob = &qla_fw_blobs[FW_ISP21XX];
5333         } else if (IS_QLA2200(ha)) {
5334                 blob = &qla_fw_blobs[FW_ISP22XX];
5335         } else if (IS_QLA2300(ha) || IS_QLA2312(ha) || IS_QLA6312(ha)) {
5336                 blob = &qla_fw_blobs[FW_ISP2300];
5337         } else if (IS_QLA2322(ha) || IS_QLA6322(ha)) {
5338                 blob = &qla_fw_blobs[FW_ISP2322];
5339         } else if (IS_QLA24XX_TYPE(ha)) {
5340                 blob = &qla_fw_blobs[FW_ISP24XX];
5341         } else if (IS_QLA25XX(ha)) {
5342                 blob = &qla_fw_blobs[FW_ISP25XX];
5343         } else if (IS_QLA81XX(ha)) {
5344                 blob = &qla_fw_blobs[FW_ISP81XX];
5345         } else if (IS_QLA82XX(ha)) {
5346                 blob = &qla_fw_blobs[FW_ISP82XX];
5347         } else if (IS_QLA2031(ha)) {
5348                 blob = &qla_fw_blobs[FW_ISP2031];
5349         } else if (IS_QLA8031(ha)) {
5350                 blob = &qla_fw_blobs[FW_ISP8031];
5351         } else if (IS_QLA27XX(ha)) {
5352                 blob = &qla_fw_blobs[FW_ISP27XX];
5353         } else {
5354                 return NULL;
5355         }
5356
5357         mutex_lock(&qla_fw_lock);
5358         if (blob->fw)
5359                 goto out;
5360
5361         if (request_firmware(&blob->fw, blob->name, &ha->pdev->dev)) {
5362                 ql_log(ql_log_warn, vha, 0x0063,
5363                     "Failed to load firmware image (%s).\n", blob->name);
5364                 blob->fw = NULL;
5365                 blob = NULL;
5366                 goto out;
5367         }
5368
5369 out:
5370         mutex_unlock(&qla_fw_lock);
5371         return blob;
5372 }
5373
5374 static void
5375 qla2x00_release_firmware(void)
5376 {
5377         int idx;
5378
5379         mutex_lock(&qla_fw_lock);
5380         for (idx = 0; idx < FW_BLOBS; idx++)
5381                 release_firmware(qla_fw_blobs[idx].fw);
5382         mutex_unlock(&qla_fw_lock);
5383 }
5384
5385 static pci_ers_result_t
5386 qla2xxx_pci_error_detected(struct pci_dev *pdev, pci_channel_state_t state)
5387 {
5388         scsi_qla_host_t *vha = pci_get_drvdata(pdev);
5389         struct qla_hw_data *ha = vha->hw;
5390
5391         ql_dbg(ql_dbg_aer, vha, 0x9000,
5392             "PCI error detected, state %x.\n", state);
5393
5394         switch (state) {
5395         case pci_channel_io_normal:
5396                 ha->flags.eeh_busy = 0;
5397                 return PCI_ERS_RESULT_CAN_RECOVER;
5398         case pci_channel_io_frozen:
5399                 ha->flags.eeh_busy = 1;
5400                 /* For ISP82XX complete any pending mailbox cmd */
5401                 if (IS_QLA82XX(ha)) {
5402                         ha->flags.isp82xx_fw_hung = 1;
5403                         ql_dbg(ql_dbg_aer, vha, 0x9001, "Pci channel io frozen\n");
5404                         qla82xx_clear_pending_mbx(vha);
5405                 }
5406                 qla2x00_free_irqs(vha);
5407                 pci_disable_device(pdev);
5408                 /* Return back all IOs */
5409                 qla2x00_abort_all_cmds(vha, DID_RESET << 16);
5410                 return PCI_ERS_RESULT_NEED_RESET;
5411         case pci_channel_io_perm_failure:
5412                 ha->flags.pci_channel_io_perm_failure = 1;
5413                 qla2x00_abort_all_cmds(vha, DID_NO_CONNECT << 16);
5414                 return PCI_ERS_RESULT_DISCONNECT;
5415         }
5416         return PCI_ERS_RESULT_NEED_RESET;
5417 }
5418
5419 static pci_ers_result_t
5420 qla2xxx_pci_mmio_enabled(struct pci_dev *pdev)
5421 {
5422         int risc_paused = 0;
5423         uint32_t stat;
5424         unsigned long flags;
5425         scsi_qla_host_t *base_vha = pci_get_drvdata(pdev);
5426         struct qla_hw_data *ha = base_vha->hw;
5427         struct device_reg_2xxx __iomem *reg = &ha->iobase->isp;
5428         struct device_reg_24xx __iomem *reg24 = &ha->iobase->isp24;
5429
5430         if (IS_QLA82XX(ha))
5431                 return PCI_ERS_RESULT_RECOVERED;
5432
5433         spin_lock_irqsave(&ha->hardware_lock, flags);
5434         if (IS_QLA2100(ha) || IS_QLA2200(ha)){
5435                 stat = RD_REG_DWORD(&reg->hccr);
5436                 if (stat & HCCR_RISC_PAUSE)
5437                         risc_paused = 1;
5438         } else if (IS_QLA23XX(ha)) {
5439                 stat = RD_REG_DWORD(&reg->u.isp2300.host_status);
5440                 if (stat & HSR_RISC_PAUSED)
5441                         risc_paused = 1;
5442         } else if (IS_FWI2_CAPABLE(ha)) {
5443                 stat = RD_REG_DWORD(&reg24->host_status);
5444                 if (stat & HSRX_RISC_PAUSED)
5445                         risc_paused = 1;
5446         }
5447         spin_unlock_irqrestore(&ha->hardware_lock, flags);
5448
5449         if (risc_paused) {
5450                 ql_log(ql_log_info, base_vha, 0x9003,
5451                     "RISC paused -- mmio_enabled, Dumping firmware.\n");
5452                 ha->isp_ops->fw_dump(base_vha, 0);
5453
5454                 return PCI_ERS_RESULT_NEED_RESET;
5455         } else
5456                 return PCI_ERS_RESULT_RECOVERED;
5457 }
5458
5459 static uint32_t
5460 qla82xx_error_recovery(scsi_qla_host_t *base_vha)
5461 {
5462         uint32_t rval = QLA_FUNCTION_FAILED;
5463         uint32_t drv_active = 0;
5464         struct qla_hw_data *ha = base_vha->hw;
5465         int fn;
5466         struct pci_dev *other_pdev = NULL;
5467
5468         ql_dbg(ql_dbg_aer, base_vha, 0x9006,
5469             "Entered %s.\n", __func__);
5470
5471         set_bit(ABORT_ISP_ACTIVE, &base_vha->dpc_flags);
5472
5473         if (base_vha->flags.online) {
5474                 /* Abort all outstanding commands,
5475                  * so as to be requeued later */
5476                 qla2x00_abort_isp_cleanup(base_vha);
5477         }
5478
5479
5480         fn = PCI_FUNC(ha->pdev->devfn);
5481         while (fn > 0) {
5482                 fn--;
5483                 ql_dbg(ql_dbg_aer, base_vha, 0x9007,
5484                     "Finding pci device at function = 0x%x.\n", fn);
5485                 other_pdev =
5486                     pci_get_domain_bus_and_slot(pci_domain_nr(ha->pdev->bus),
5487                     ha->pdev->bus->number, PCI_DEVFN(PCI_SLOT(ha->pdev->devfn),
5488                     fn));
5489
5490                 if (!other_pdev)
5491                         continue;
5492                 if (atomic_read(&other_pdev->enable_cnt)) {
5493                         ql_dbg(ql_dbg_aer, base_vha, 0x9008,
5494                             "Found PCI func available and enable at 0x%x.\n",
5495                             fn);
5496                         pci_dev_put(other_pdev);
5497                         break;
5498                 }
5499                 pci_dev_put(other_pdev);
5500         }
5501
5502         if (!fn) {
5503                 /* Reset owner */
5504                 ql_dbg(ql_dbg_aer, base_vha, 0x9009,
5505                     "This devfn is reset owner = 0x%x.\n",
5506                     ha->pdev->devfn);
5507                 qla82xx_idc_lock(ha);
5508
5509                 qla82xx_wr_32(ha, QLA82XX_CRB_DEV_STATE,
5510                     QLA8XXX_DEV_INITIALIZING);
5511
5512                 qla82xx_wr_32(ha, QLA82XX_CRB_DRV_IDC_VERSION,
5513                     QLA82XX_IDC_VERSION);
5514
5515                 drv_active = qla82xx_rd_32(ha, QLA82XX_CRB_DRV_ACTIVE);
5516                 ql_dbg(ql_dbg_aer, base_vha, 0x900a,
5517                     "drv_active = 0x%x.\n", drv_active);
5518
5519                 qla82xx_idc_unlock(ha);
5520                 /* Reset if device is not already reset
5521                  * drv_active would be 0 if a reset has already been done
5522                  */
5523                 if (drv_active)
5524                         rval = qla82xx_start_firmware(base_vha);
5525                 else
5526                         rval = QLA_SUCCESS;
5527                 qla82xx_idc_lock(ha);
5528
5529                 if (rval != QLA_SUCCESS) {
5530                         ql_log(ql_log_info, base_vha, 0x900b,
5531                             "HW State: FAILED.\n");
5532                         qla82xx_clear_drv_active(ha);
5533                         qla82xx_wr_32(ha, QLA82XX_CRB_DEV_STATE,
5534                             QLA8XXX_DEV_FAILED);
5535                 } else {
5536                         ql_log(ql_log_info, base_vha, 0x900c,
5537                             "HW State: READY.\n");
5538                         qla82xx_wr_32(ha, QLA82XX_CRB_DEV_STATE,
5539                             QLA8XXX_DEV_READY);
5540                         qla82xx_idc_unlock(ha);
5541                         ha->flags.isp82xx_fw_hung = 0;
5542                         rval = qla82xx_restart_isp(base_vha);
5543                         qla82xx_idc_lock(ha);
5544                         /* Clear driver state register */
5545                         qla82xx_wr_32(ha, QLA82XX_CRB_DRV_STATE, 0);
5546                         qla82xx_set_drv_active(base_vha);
5547                 }
5548                 qla82xx_idc_unlock(ha);
5549         } else {
5550                 ql_dbg(ql_dbg_aer, base_vha, 0x900d,
5551                     "This devfn is not reset owner = 0x%x.\n",
5552                     ha->pdev->devfn);
5553                 if ((qla82xx_rd_32(ha, QLA82XX_CRB_DEV_STATE) ==
5554                     QLA8XXX_DEV_READY)) {
5555                         ha->flags.isp82xx_fw_hung = 0;
5556                         rval = qla82xx_restart_isp(base_vha);
5557                         qla82xx_idc_lock(ha);
5558                         qla82xx_set_drv_active(base_vha);
5559                         qla82xx_idc_unlock(ha);
5560                 }
5561         }
5562         clear_bit(ABORT_ISP_ACTIVE, &base_vha->dpc_flags);
5563
5564         return rval;
5565 }
5566
5567 static pci_ers_result_t
5568 qla2xxx_pci_slot_reset(struct pci_dev *pdev)
5569 {
5570         pci_ers_result_t ret = PCI_ERS_RESULT_DISCONNECT;
5571         scsi_qla_host_t *base_vha = pci_get_drvdata(pdev);
5572         struct qla_hw_data *ha = base_vha->hw;
5573         struct rsp_que *rsp;
5574         int rc, retries = 10;
5575
5576         ql_dbg(ql_dbg_aer, base_vha, 0x9004,
5577             "Slot Reset.\n");
5578
5579         /* Workaround: qla2xxx driver which access hardware earlier
5580          * needs error state to be pci_channel_io_online.
5581          * Otherwise mailbox command timesout.
5582          */
5583         pdev->error_state = pci_channel_io_normal;
5584
5585         pci_restore_state(pdev);
5586
5587         /* pci_restore_state() clears the saved_state flag of the device
5588          * save restored state which resets saved_state flag
5589          */
5590         pci_save_state(pdev);
5591
5592         if (ha->mem_only)
5593                 rc = pci_enable_device_mem(pdev);
5594         else
5595                 rc = pci_enable_device(pdev);
5596
5597         if (rc) {
5598                 ql_log(ql_log_warn, base_vha, 0x9005,
5599                     "Can't re-enable PCI device after reset.\n");
5600                 goto exit_slot_reset;
5601         }
5602
5603         rsp = ha->rsp_q_map[0];
5604         if (qla2x00_request_irqs(ha, rsp))
5605                 goto exit_slot_reset;
5606
5607         if (ha->isp_ops->pci_config(base_vha))
5608                 goto exit_slot_reset;
5609
5610         if (IS_QLA82XX(ha)) {
5611                 if (qla82xx_error_recovery(base_vha) == QLA_SUCCESS) {
5612                         ret = PCI_ERS_RESULT_RECOVERED;
5613                         goto exit_slot_reset;
5614                 } else
5615                         goto exit_slot_reset;
5616         }
5617
5618         while (ha->flags.mbox_busy && retries--)
5619                 msleep(1000);
5620
5621         set_bit(ABORT_ISP_ACTIVE, &base_vha->dpc_flags);
5622         if (ha->isp_ops->abort_isp(base_vha) == QLA_SUCCESS)
5623                 ret =  PCI_ERS_RESULT_RECOVERED;
5624         clear_bit(ABORT_ISP_ACTIVE, &base_vha->dpc_flags);
5625
5626
5627 exit_slot_reset:
5628         ql_dbg(ql_dbg_aer, base_vha, 0x900e,
5629             "slot_reset return %x.\n", ret);
5630
5631         return ret;
5632 }
5633
5634 static void
5635 qla2xxx_pci_resume(struct pci_dev *pdev)
5636 {
5637         scsi_qla_host_t *base_vha = pci_get_drvdata(pdev);
5638         struct qla_hw_data *ha = base_vha->hw;
5639         int ret;
5640
5641         ql_dbg(ql_dbg_aer, base_vha, 0x900f,
5642             "pci_resume.\n");
5643
5644         ret = qla2x00_wait_for_hba_online(base_vha);
5645         if (ret != QLA_SUCCESS) {
5646                 ql_log(ql_log_fatal, base_vha, 0x9002,
5647                     "The device failed to resume I/O from slot/link_reset.\n");
5648         }
5649
5650         pci_cleanup_aer_uncorrect_error_status(pdev);
5651
5652         ha->flags.eeh_busy = 0;
5653 }
5654
5655 static void
5656 qla83xx_disable_laser(scsi_qla_host_t *vha)
5657 {
5658         uint32_t reg, data, fn;
5659         struct qla_hw_data *ha = vha->hw;
5660         struct device_reg_24xx __iomem *isp_reg = &ha->iobase->isp24;
5661
5662         /* pci func #/port # */
5663         ql_dbg(ql_dbg_init, vha, 0x004b,
5664             "Disabling Laser for hba: %p\n", vha);
5665
5666         fn = (RD_REG_DWORD(&isp_reg->ctrl_status) &
5667                 (BIT_15|BIT_14|BIT_13|BIT_12));
5668
5669         fn = (fn >> 12);
5670
5671         if (fn & 1)
5672                 reg = PORT_1_2031;
5673         else
5674                 reg = PORT_0_2031;
5675
5676         data = LASER_OFF_2031;
5677
5678         qla83xx_wr_reg(vha, reg, data);
5679 }
5680
5681 static const struct pci_error_handlers qla2xxx_err_handler = {
5682         .error_detected = qla2xxx_pci_error_detected,
5683         .mmio_enabled = qla2xxx_pci_mmio_enabled,
5684         .slot_reset = qla2xxx_pci_slot_reset,
5685         .resume = qla2xxx_pci_resume,
5686 };
5687
5688 static struct pci_device_id qla2xxx_pci_tbl[] = {
5689         { PCI_DEVICE(PCI_VENDOR_ID_QLOGIC, PCI_DEVICE_ID_QLOGIC_ISP2100) },
5690         { PCI_DEVICE(PCI_VENDOR_ID_QLOGIC, PCI_DEVICE_ID_QLOGIC_ISP2200) },
5691         { PCI_DEVICE(PCI_VENDOR_ID_QLOGIC, PCI_DEVICE_ID_QLOGIC_ISP2300) },
5692         { PCI_DEVICE(PCI_VENDOR_ID_QLOGIC, PCI_DEVICE_ID_QLOGIC_ISP2312) },
5693         { PCI_DEVICE(PCI_VENDOR_ID_QLOGIC, PCI_DEVICE_ID_QLOGIC_ISP2322) },
5694         { PCI_DEVICE(PCI_VENDOR_ID_QLOGIC, PCI_DEVICE_ID_QLOGIC_ISP6312) },
5695         { PCI_DEVICE(PCI_VENDOR_ID_QLOGIC, PCI_DEVICE_ID_QLOGIC_ISP6322) },
5696         { PCI_DEVICE(PCI_VENDOR_ID_QLOGIC, PCI_DEVICE_ID_QLOGIC_ISP2422) },
5697         { PCI_DEVICE(PCI_VENDOR_ID_QLOGIC, PCI_DEVICE_ID_QLOGIC_ISP2432) },
5698         { PCI_DEVICE(PCI_VENDOR_ID_QLOGIC, PCI_DEVICE_ID_QLOGIC_ISP8432) },
5699         { PCI_DEVICE(PCI_VENDOR_ID_QLOGIC, PCI_DEVICE_ID_QLOGIC_ISP5422) },
5700         { PCI_DEVICE(PCI_VENDOR_ID_QLOGIC, PCI_DEVICE_ID_QLOGIC_ISP5432) },
5701         { PCI_DEVICE(PCI_VENDOR_ID_QLOGIC, PCI_DEVICE_ID_QLOGIC_ISP2532) },
5702         { PCI_DEVICE(PCI_VENDOR_ID_QLOGIC, PCI_DEVICE_ID_QLOGIC_ISP2031) },
5703         { PCI_DEVICE(PCI_VENDOR_ID_QLOGIC, PCI_DEVICE_ID_QLOGIC_ISP8001) },
5704         { PCI_DEVICE(PCI_VENDOR_ID_QLOGIC, PCI_DEVICE_ID_QLOGIC_ISP8021) },
5705         { PCI_DEVICE(PCI_VENDOR_ID_QLOGIC, PCI_DEVICE_ID_QLOGIC_ISP8031) },
5706         { PCI_DEVICE(PCI_VENDOR_ID_QLOGIC, PCI_DEVICE_ID_QLOGIC_ISPF001) },
5707         { PCI_DEVICE(PCI_VENDOR_ID_QLOGIC, PCI_DEVICE_ID_QLOGIC_ISP8044) },
5708         { PCI_DEVICE(PCI_VENDOR_ID_QLOGIC, PCI_DEVICE_ID_QLOGIC_ISP2071) },
5709         { PCI_DEVICE(PCI_VENDOR_ID_QLOGIC, PCI_DEVICE_ID_QLOGIC_ISP2271) },
5710         { 0 },
5711 };
5712 MODULE_DEVICE_TABLE(pci, qla2xxx_pci_tbl);
5713
5714 static struct pci_driver qla2xxx_pci_driver = {
5715         .name           = QLA2XXX_DRIVER_NAME,
5716         .driver         = {
5717                 .owner          = THIS_MODULE,
5718         },
5719         .id_table       = qla2xxx_pci_tbl,
5720         .probe          = qla2x00_probe_one,
5721         .remove         = qla2x00_remove_one,
5722         .shutdown       = qla2x00_shutdown,
5723         .err_handler    = &qla2xxx_err_handler,
5724 };
5725
5726 static const struct file_operations apidev_fops = {
5727         .owner = THIS_MODULE,
5728         .llseek = noop_llseek,
5729 };
5730
5731 /**
5732  * qla2x00_module_init - Module initialization.
5733  **/
5734 static int __init
5735 qla2x00_module_init(void)
5736 {
5737         int ret = 0;
5738
5739         /* Allocate cache for SRBs. */
5740         srb_cachep = kmem_cache_create("qla2xxx_srbs", sizeof(srb_t), 0,
5741             SLAB_HWCACHE_ALIGN, NULL);
5742         if (srb_cachep == NULL) {
5743                 ql_log(ql_log_fatal, NULL, 0x0001,
5744                     "Unable to allocate SRB cache...Failing load!.\n");
5745                 return -ENOMEM;
5746         }
5747
5748         /* Initialize target kmem_cache and mem_pools */
5749         ret = qlt_init();
5750         if (ret < 0) {
5751                 kmem_cache_destroy(srb_cachep);
5752                 return ret;
5753         } else if (ret > 0) {
5754                 /*
5755                  * If initiator mode is explictly disabled by qlt_init(),
5756                  * prevent scsi_transport_fc.c:fc_scsi_scan_rport() from
5757                  * performing scsi_scan_target() during LOOP UP event.
5758                  */
5759                 qla2xxx_transport_functions.disable_target_scan = 1;
5760                 qla2xxx_transport_vport_functions.disable_target_scan = 1;
5761         }
5762
5763         /* Derive version string. */
5764         strcpy(qla2x00_version_str, QLA2XXX_VERSION);
5765         if (ql2xextended_error_logging)
5766                 strcat(qla2x00_version_str, "-debug");
5767
5768         qla2xxx_transport_template =
5769             fc_attach_transport(&qla2xxx_transport_functions);
5770         if (!qla2xxx_transport_template) {
5771                 kmem_cache_destroy(srb_cachep);
5772                 ql_log(ql_log_fatal, NULL, 0x0002,
5773                     "fc_attach_transport failed...Failing load!.\n");
5774                 qlt_exit();
5775                 return -ENODEV;
5776         }
5777
5778         apidev_major = register_chrdev(0, QLA2XXX_APIDEV, &apidev_fops);
5779         if (apidev_major < 0) {
5780                 ql_log(ql_log_fatal, NULL, 0x0003,
5781                     "Unable to register char device %s.\n", QLA2XXX_APIDEV);
5782         }
5783
5784         qla2xxx_transport_vport_template =
5785             fc_attach_transport(&qla2xxx_transport_vport_functions);
5786         if (!qla2xxx_transport_vport_template) {
5787                 kmem_cache_destroy(srb_cachep);
5788                 qlt_exit();
5789                 fc_release_transport(qla2xxx_transport_template);
5790                 ql_log(ql_log_fatal, NULL, 0x0004,
5791                     "fc_attach_transport vport failed...Failing load!.\n");
5792                 return -ENODEV;
5793         }
5794         ql_log(ql_log_info, NULL, 0x0005,
5795             "QLogic Fibre Channel HBA Driver: %s.\n",
5796             qla2x00_version_str);
5797         ret = pci_register_driver(&qla2xxx_pci_driver);
5798         if (ret) {
5799                 kmem_cache_destroy(srb_cachep);
5800                 qlt_exit();
5801                 fc_release_transport(qla2xxx_transport_template);
5802                 fc_release_transport(qla2xxx_transport_vport_template);
5803                 ql_log(ql_log_fatal, NULL, 0x0006,
5804                     "pci_register_driver failed...ret=%d Failing load!.\n",
5805                     ret);
5806         }
5807         return ret;
5808 }
5809
5810 /**
5811  * qla2x00_module_exit - Module cleanup.
5812  **/
5813 static void __exit
5814 qla2x00_module_exit(void)
5815 {
5816         unregister_chrdev(apidev_major, QLA2XXX_APIDEV);
5817         pci_unregister_driver(&qla2xxx_pci_driver);
5818         qla2x00_release_firmware();
5819         kmem_cache_destroy(srb_cachep);
5820         qlt_exit();
5821         if (ctx_cachep)
5822                 kmem_cache_destroy(ctx_cachep);
5823         fc_release_transport(qla2xxx_transport_template);
5824         fc_release_transport(qla2xxx_transport_vport_template);
5825 }
5826
5827 module_init(qla2x00_module_init);
5828 module_exit(qla2x00_module_exit);
5829
5830 MODULE_AUTHOR("QLogic Corporation");
5831 MODULE_DESCRIPTION("QLogic Fibre Channel HBA Driver");
5832 MODULE_LICENSE("GPL");
5833 MODULE_VERSION(QLA2XXX_VERSION);
5834 MODULE_FIRMWARE(FW_FILE_ISP21XX);
5835 MODULE_FIRMWARE(FW_FILE_ISP22XX);
5836 MODULE_FIRMWARE(FW_FILE_ISP2300);
5837 MODULE_FIRMWARE(FW_FILE_ISP2322);
5838 MODULE_FIRMWARE(FW_FILE_ISP24XX);
5839 MODULE_FIRMWARE(FW_FILE_ISP25XX);
5840 MODULE_FIRMWARE(FW_FILE_ISP2031);
5841 MODULE_FIRMWARE(FW_FILE_ISP8031);
5842 MODULE_FIRMWARE(FW_FILE_ISP27XX);