drivers/scsi/qla2xxx/qla_os.c

   1 // SPDX-License-Identifier: GPL-2.0-only
   2 /*
   3  * QLogic Fibre Channel HBA Driver
   4  * Copyright (c)  2003-2014 QLogic Corporation
   5  */
   6 #include "qla_def.h"
   7
   8 #include <linux/moduleparam.h>
   9 #include <linux/vmalloc.h>
  10 #include <linux/delay.h>
  11 #include <linux/kthread.h>
  12 #include <linux/mutex.h>
  13 #include <linux/kobject.h>
  14 #include <linux/slab.h>
  15 #include <linux/blk-mq-pci.h>
  16 #include <linux/refcount.h>
  17
  18 #include <scsi/scsi_tcq.h>
  19 #include <scsi/scsicam.h>
  20 #include <scsi/scsi_transport.h>
  21 #include <scsi/scsi_transport_fc.h>
  22
  23 #include "qla_target.h"
  24
  25 /*
  26  * Driver version
  27  */
  28 char qla2x00_version_str[40];
  29
  30 static int apidev_major;
  31
  32 /*
  33  * SRB allocation cache
  34  */
  35 struct kmem_cache *srb_cachep;
  36
  37 int ql2xfulldump_on_mpifail;
  38 module_param(ql2xfulldump_on_mpifail, int, S_IRUGO | S_IWUSR);
  39 MODULE_PARM_DESC(ql2xfulldump_on_mpifail,
  40                  "Set this to take full dump on MPI hang.");
  41
  42 int ql2xenforce_iocb_limit = 1;
  43 module_param(ql2xenforce_iocb_limit, int, S_IRUGO | S_IWUSR);
  44 MODULE_PARM_DESC(ql2xenforce_iocb_limit,
  45                  "Enforce IOCB throttling, to avoid FW congestion. (default: 0)");
  46
  47 /*
  48  * CT6 CTX allocation cache
  49  */
  50 static struct kmem_cache *ctx_cachep;
  51 /*
  52  * error level for logging
  53  */
  54 uint ql_errlev = 0x8001;
  55
  56 static int ql2xenableclass2;
  57 module_param(ql2xenableclass2, int, S_IRUGO|S_IRUSR);
  58 MODULE_PARM_DESC(ql2xenableclass2,
  59                 "Specify if Class 2 operations are supported from the very "
  60                 "beginning. Default is 0 - class 2 not supported.");
  61
  62
  63 int ql2xlogintimeout = 20;
  64 module_param(ql2xlogintimeout, int, S_IRUGO);
  65 MODULE_PARM_DESC(ql2xlogintimeout,
  66                 "Login timeout value in seconds.");
  67
  68 int qlport_down_retry;
  69 module_param(qlport_down_retry, int, S_IRUGO);
  70 MODULE_PARM_DESC(qlport_down_retry,
  71                 "Maximum number of command retries to a port that returns "
  72                 "a PORT-DOWN status.");
  73
  74 int ql2xplogiabsentdevice;
  75 module_param(ql2xplogiabsentdevice, int, S_IRUGO|S_IWUSR);
  76 MODULE_PARM_DESC(ql2xplogiabsentdevice,
  77                 "Option to enable PLOGI to devices that are not present after "
  78                 "a Fabric scan.  This is needed for several broken switches. "
  79                 "Default is 0 - no PLOGI. 1 - perform PLOGI.");
  80
  81 int ql2xloginretrycount;
  82 module_param(ql2xloginretrycount, int, S_IRUGO);
  83 MODULE_PARM_DESC(ql2xloginretrycount,
  84                 "Specify an alternate value for the NVRAM login retry count.");
  85
  86 int ql2xallocfwdump = 1;
  87 module_param(ql2xallocfwdump, int, S_IRUGO);
  88 MODULE_PARM_DESC(ql2xallocfwdump,
  89                 "Option to enable allocation of memory for a firmware dump "
  90                 "during HBA initialization.  Memory allocation requirements "
  91                 "vary by ISP type.  Default is 1 - allocate memory.");
  92
  93 int ql2xextended_error_logging;
  94 module_param(ql2xextended_error_logging, int, S_IRUGO|S_IWUSR);
  95 module_param_named(logging, ql2xextended_error_logging, int, S_IRUGO|S_IWUSR);
  96 MODULE_PARM_DESC(ql2xextended_error_logging,
  97                 "Option to enable extended error logging,\n"
  98                 "\t\tDefault is 0 - no logging.  0x40000000 - Module Init & Probe.\n"
  99                 "\t\t0x20000000 - Mailbox Cmnds. 0x10000000 - Device Discovery.\n"
 100                 "\t\t0x08000000 - IO tracing.    0x04000000 - DPC Thread.\n"
 101                 "\t\t0x02000000 - Async events.  0x01000000 - Timer routines.\n"
 102                 "\t\t0x00800000 - User space.    0x00400000 - Task Management.\n"
 103                 "\t\t0x00200000 - AER/EEH.       0x00100000 - Multi Q.\n"
 104                 "\t\t0x00080000 - P3P Specific.  0x00040000 - Virtual Port.\n"
 105                 "\t\t0x00020000 - Buffer Dump.   0x00010000 - Misc.\n"
 106                 "\t\t0x00008000 - Verbose.       0x00004000 - Target.\n"
 107                 "\t\t0x00002000 - Target Mgmt.   0x00001000 - Target TMF.\n"
 108                 "\t\t0x7fffffff - For enabling all logs, can be too many logs.\n"
 109                 "\t\t0x1e400000 - Preferred value for capturing essential "
 110                 "debug information (equivalent to old "
 111                 "ql2xextended_error_logging=1).\n"
 112                 "\t\tDo LOGICAL OR of the value to enable more than one level");
 113
 114 int ql2xshiftctondsd = 6;
 115 module_param(ql2xshiftctondsd, int, S_IRUGO);
 116 MODULE_PARM_DESC(ql2xshiftctondsd,
 117                 "Set to control shifting of command type processing "
 118                 "based on total number of SG elements.");
 119
 120 int ql2xfdmienable = 1;
 121 module_param(ql2xfdmienable, int, S_IRUGO|S_IWUSR);
 122 module_param_named(fdmi, ql2xfdmienable, int, S_IRUGO|S_IWUSR);
 123 MODULE_PARM_DESC(ql2xfdmienable,
 124                 "Enables FDMI registrations. "
 125                 "0 - no FDMI registrations. "
 126                 "1 - provide FDMI registrations (default).");
 127
 128 #define MAX_Q_DEPTH     64
 129 static int ql2xmaxqdepth = MAX_Q_DEPTH;
 130 module_param(ql2xmaxqdepth, int, S_IRUGO|S_IWUSR);
 131 MODULE_PARM_DESC(ql2xmaxqdepth,
 132                 "Maximum queue depth to set for each LUN. "
 133                 "Default is 64.");
 134
 135 int ql2xenabledif = 2;
 136 module_param(ql2xenabledif, int, S_IRUGO);
 137 MODULE_PARM_DESC(ql2xenabledif,
 138                 " Enable T10-CRC-DIF:\n"
 139                 " Default is 2.\n"
 140                 "  0 -- No DIF Support\n"
 141                 "  1 -- Enable DIF for all types\n"
 142                 "  2 -- Enable DIF for all types, except Type 0.\n");
 143
 144 #if (IS_ENABLED(CONFIG_NVME_FC))
 145 int ql2xnvmeenable = 1;
 146 #else
 147 int ql2xnvmeenable;
 148 #endif
 149 module_param(ql2xnvmeenable, int, 0644);
 150 MODULE_PARM_DESC(ql2xnvmeenable,
 151     "Enables NVME support. "
 152     "0 - no NVMe.  Default is Y");
 153
 154 int ql2xenablehba_err_chk = 2;
 155 module_param(ql2xenablehba_err_chk, int, S_IRUGO|S_IWUSR);
 156 MODULE_PARM_DESC(ql2xenablehba_err_chk,
 157                 " Enable T10-CRC-DIF Error isolation by HBA:\n"
 158                 " Default is 2.\n"
 159                 "  0 -- Error isolation disabled\n"
 160                 "  1 -- Error isolation enabled only for DIX Type 0\n"
 161                 "  2 -- Error isolation enabled for all Types\n");
 162
 163 int ql2xiidmaenable = 1;
 164 module_param(ql2xiidmaenable, int, S_IRUGO);
 165 MODULE_PARM_DESC(ql2xiidmaenable,
 166                 "Enables iIDMA settings "
 167                 "Default is 1 - perform iIDMA. 0 - no iIDMA.");
 168
 169 int ql2xmqsupport = 1;
 170 module_param(ql2xmqsupport, int, S_IRUGO);
 171 MODULE_PARM_DESC(ql2xmqsupport,
 172                 "Enable on demand multiple queue pairs support "
 173                 "Default is 1 for supported. "
 174                 "Set it to 0 to turn off mq qpair support.");
 175
 176 int ql2xfwloadbin;
 177 module_param(ql2xfwloadbin, int, S_IRUGO|S_IWUSR);
 178 module_param_named(fwload, ql2xfwloadbin, int, S_IRUGO|S_IWUSR);
 179 MODULE_PARM_DESC(ql2xfwloadbin,
 180                 "Option to specify location from which to load ISP firmware:.\n"
 181                 " 2 -- load firmware via the request_firmware() (hotplug).\n"
 182                 "      interface.\n"
 183                 " 1 -- load firmware from flash.\n"
 184                 " 0 -- use default semantics.\n");
 185
 186 int ql2xetsenable;
 187 module_param(ql2xetsenable, int, S_IRUGO);
 188 MODULE_PARM_DESC(ql2xetsenable,
 189                 "Enables firmware ETS burst."
 190                 "Default is 0 - skip ETS enablement.");
 191
 192 int ql2xdbwr = 1;
 193 module_param(ql2xdbwr, int, S_IRUGO|S_IWUSR);
 194 MODULE_PARM_DESC(ql2xdbwr,
 195                 "Option to specify scheme for request queue posting.\n"
 196                 " 0 -- Regular doorbell.\n"
 197                 " 1 -- CAMRAM doorbell (faster).\n");
 198
 199 int ql2xtargetreset = 1;
 200 module_param(ql2xtargetreset, int, S_IRUGO);
 201 MODULE_PARM_DESC(ql2xtargetreset,
 202                  "Enable target reset."
 203                  "Default is 1 - use hw defaults.");
 204
 205 int ql2xgffidenable;
 206 module_param(ql2xgffidenable, int, S_IRUGO);
 207 MODULE_PARM_DESC(ql2xgffidenable,
 208                 "Enables GFF_ID checks of port type. "
 209                 "Default is 0 - Do not use GFF_ID information.");
 210
 211 int ql2xasynctmfenable = 1;
 212 module_param(ql2xasynctmfenable, int, S_IRUGO);
 213 MODULE_PARM_DESC(ql2xasynctmfenable,
 214                 "Enables issue of TM IOCBs asynchronously via IOCB mechanism"
 215                 "Default is 1 - Issue TM IOCBs via mailbox mechanism.");
 216
 217 int ql2xdontresethba;
 218 module_param(ql2xdontresethba, int, S_IRUGO|S_IWUSR);
 219 MODULE_PARM_DESC(ql2xdontresethba,
 220                 "Option to specify reset behaviour.\n"
 221                 " 0 (Default) -- Reset on failure.\n"
 222                 " 1 -- Do not reset on failure.\n");
 223
 224 uint64_t ql2xmaxlun = MAX_LUNS;
 225 module_param(ql2xmaxlun, ullong, S_IRUGO);
 226 MODULE_PARM_DESC(ql2xmaxlun,
 227                 "Defines the maximum LU number to register with the SCSI "
 228                 "midlayer. Default is 65535.");
 229
 230 int ql2xmdcapmask = 0x1F;
 231 module_param(ql2xmdcapmask, int, S_IRUGO);
 232 MODULE_PARM_DESC(ql2xmdcapmask,
 233                 "Set the Minidump driver capture mask level. "
 234                 "Default is 0x1F - Can be set to 0x3, 0x7, 0xF, 0x1F, 0x7F.");
 235
 236 int ql2xmdenable = 1;
 237 module_param(ql2xmdenable, int, S_IRUGO);
 238 MODULE_PARM_DESC(ql2xmdenable,
 239                 "Enable/disable MiniDump. "
 240                 "0 - MiniDump disabled. "
 241                 "1 (Default) - MiniDump enabled.");
 242
 243 int ql2xexlogins;
 244 module_param(ql2xexlogins, uint, S_IRUGO|S_IWUSR);
 245 MODULE_PARM_DESC(ql2xexlogins,
 246                  "Number of extended Logins. "
 247                  "0 (Default)- Disabled.");
 248
 249 int ql2xexchoffld = 1024;
 250 module_param(ql2xexchoffld, uint, 0644);
 251 MODULE_PARM_DESC(ql2xexchoffld,
 252         "Number of target exchanges.");
 253
 254 int ql2xiniexchg = 1024;
 255 module_param(ql2xiniexchg, uint, 0644);
 256 MODULE_PARM_DESC(ql2xiniexchg,
 257         "Number of initiator exchanges.");
 258
 259 int ql2xfwholdabts;
 260 module_param(ql2xfwholdabts, int, S_IRUGO);
 261 MODULE_PARM_DESC(ql2xfwholdabts,
 262                 "Allow FW to hold status IOCB until ABTS rsp received. "
 263                 "0 (Default) Do not set fw option. "
 264                 "1 - Set fw option to hold ABTS.");
 265
 266 int ql2xmvasynctoatio = 1;
 267 module_param(ql2xmvasynctoatio, int, S_IRUGO|S_IWUSR);
 268 MODULE_PARM_DESC(ql2xmvasynctoatio,
 269                 "Move PUREX, ABTS RX and RIDA IOCBs to ATIOQ"
 270                 "0 (Default). Do not move IOCBs"
 271                 "1 - Move IOCBs.");
 272
 273 int ql2xautodetectsfp = 1;
 274 module_param(ql2xautodetectsfp, int, 0444);
 275 MODULE_PARM_DESC(ql2xautodetectsfp,
 276                  "Detect SFP range and set appropriate distance.\n"
 277                  "1 (Default): Enable\n");
 278
 279 int ql2xenablemsix = 1;
 280 module_param(ql2xenablemsix, int, 0444);
 281 MODULE_PARM_DESC(ql2xenablemsix,
 282                  "Set to enable MSI or MSI-X interrupt mechanism.\n"
 283                  " Default is 1, enable MSI-X interrupt mechanism.\n"
 284                  " 0 -- enable traditional pin-based mechanism.\n"
 285                  " 1 -- enable MSI-X interrupt mechanism.\n"
 286                  " 2 -- enable MSI interrupt mechanism.\n");
 287
 288 int qla2xuseresexchforels;
 289 module_param(qla2xuseresexchforels, int, 0444);
 290 MODULE_PARM_DESC(qla2xuseresexchforels,
 291                  "Reserve 1/2 of emergency exchanges for ELS.\n"
 292                  " 0 (default): disabled");
 293
 294 static int ql2xprotmask;
 295 module_param(ql2xprotmask, int, 0644);
 296 MODULE_PARM_DESC(ql2xprotmask,
 297                  "Override DIF/DIX protection capabilities mask\n"
 298                  "Default is 0 which sets protection mask based on "
 299                  "capabilities reported by HBA firmware.\n");
 300
 301 static int ql2xprotguard;
 302 module_param(ql2xprotguard, int, 0644);
 303 MODULE_PARM_DESC(ql2xprotguard, "Override choice of DIX checksum\n"
 304                  "  0 -- Let HBA firmware decide\n"
 305                  "  1 -- Force T10 CRC\n"
 306                  "  2 -- Force IP checksum\n");
 307
 308 int ql2xdifbundlinginternalbuffers;
 309 module_param(ql2xdifbundlinginternalbuffers, int, 0644);
 310 MODULE_PARM_DESC(ql2xdifbundlinginternalbuffers,
 311     "Force using internal buffers for DIF information\n"
 312     "0 (Default). Based on check.\n"
 313     "1 Force using internal buffers\n");
 314
 315 int ql2xsmartsan;
 316 module_param(ql2xsmartsan, int, 0444);
 317 module_param_named(smartsan, ql2xsmartsan, int, 0444);
 318 MODULE_PARM_DESC(ql2xsmartsan,
 319                 "Send SmartSAN Management Attributes for FDMI Registration."
 320                 " Default is 0 - No SmartSAN registration,"
 321                 " 1 - Register SmartSAN Management Attributes.");
 322
 323 int ql2xrdpenable;
 324 module_param(ql2xrdpenable, int, 0444);
 325 module_param_named(rdpenable, ql2xrdpenable, int, 0444);
 326 MODULE_PARM_DESC(ql2xrdpenable,
 327                 "Enables RDP responses. "
 328                 "0 - no RDP responses (default). "
 329                 "1 - provide RDP responses.");
 330
 331 static void qla2x00_clear_drv_active(struct qla_hw_data *);
 332 static void qla2x00_free_device(scsi_qla_host_t *);
 333 static int qla2xxx_map_queues(struct Scsi_Host *shost);
 334 static void qla2x00_destroy_deferred_work(struct qla_hw_data *);
 335
 336
 337 static struct scsi_transport_template *qla2xxx_transport_template = NULL;
 338 struct scsi_transport_template *qla2xxx_transport_vport_template = NULL;
 339
 340 /* TODO Convert to inlines
 341  *
 342  * Timer routines
 343  */
 344
 345 __inline__ void
 346 qla2x00_start_timer(scsi_qla_host_t *vha, unsigned long interval)
 347 {
 348         timer_setup(&vha->timer, qla2x00_timer, 0);
 349         vha->timer.expires = jiffies + interval * HZ;
 350         add_timer(&vha->timer);
 351         vha->timer_active = 1;
 352 }
 353
 354 static inline void
 355 qla2x00_restart_timer(scsi_qla_host_t *vha, unsigned long interval)
 356 {
 357         /* Currently used for 82XX only. */
 358         if (vha->device_flags & DFLG_DEV_FAILED) {
 359                 ql_dbg(ql_dbg_timer, vha, 0x600d,
 360                     "Device in a failed state, returning.\n");
 361                 return;
 362         }
 363
 364         mod_timer(&vha->timer, jiffies + interval * HZ);
 365 }
 366
 367 static __inline__ void
 368 qla2x00_stop_timer(scsi_qla_host_t *vha)
 369 {
 370         del_timer_sync(&vha->timer);
 371         vha->timer_active = 0;
 372 }
 373
 374 static int qla2x00_do_dpc(void *data);
 375
 376 static void qla2x00_rst_aen(scsi_qla_host_t *);
 377
 378 static int qla2x00_mem_alloc(struct qla_hw_data *, uint16_t, uint16_t,
 379         struct req_que **, struct rsp_que **);
 380 static void qla2x00_free_fw_dump(struct qla_hw_data *);
 381 static void qla2x00_mem_free(struct qla_hw_data *);
 382 int qla2xxx_mqueuecommand(struct Scsi_Host *host, struct scsi_cmnd *cmd,
 383         struct qla_qpair *qpair);
 384
 385 /* -------------------------------------------------------------------------- */
 386 static void qla_init_base_qpair(struct scsi_qla_host *vha, struct req_que *req,
 387     struct rsp_que *rsp)
 388 {
 389         struct qla_hw_data *ha = vha->hw;
 390
 391         rsp->qpair = ha->base_qpair;
 392         rsp->req = req;
 393         ha->base_qpair->hw = ha;
 394         ha->base_qpair->req = req;
 395         ha->base_qpair->rsp = rsp;
 396         ha->base_qpair->vha = vha;
 397         ha->base_qpair->qp_lock_ptr = &ha->hardware_lock;
 398         ha->base_qpair->use_shadow_reg = IS_SHADOW_REG_CAPABLE(ha) ? 1 : 0;
 399         ha->base_qpair->msix = &ha->msix_entries[QLA_MSIX_RSP_Q];
 400         ha->base_qpair->srb_mempool = ha->srb_mempool;
 401         INIT_LIST_HEAD(&ha->base_qpair->hints_list);
 402         ha->base_qpair->enable_class_2 = ql2xenableclass2;
 403         /* init qpair to this cpu. Will adjust at run time. */
 404         qla_cpu_update(rsp->qpair, raw_smp_processor_id());
 405         ha->base_qpair->pdev = ha->pdev;
 406
 407         if (IS_QLA27XX(ha) || IS_QLA83XX(ha) || IS_QLA28XX(ha))
 408                 ha->base_qpair->reqq_start_iocbs = qla_83xx_start_iocbs;
 409 }
 410
 411 static int qla2x00_alloc_queues(struct qla_hw_data *ha, struct req_que *req,
 412                                 struct rsp_que *rsp)
 413 {
 414         scsi_qla_host_t *vha = pci_get_drvdata(ha->pdev);
 415
 416         ha->req_q_map = kcalloc(ha->max_req_queues, sizeof(struct req_que *),
 417                                 GFP_KERNEL);
 418         if (!ha->req_q_map) {
 419                 ql_log(ql_log_fatal, vha, 0x003b,
 420                     "Unable to allocate memory for request queue ptrs.\n");
 421                 goto fail_req_map;
 422         }
 423
 424         ha->rsp_q_map = kcalloc(ha->max_rsp_queues, sizeof(struct rsp_que *),
 425                                 GFP_KERNEL);
 426         if (!ha->rsp_q_map) {
 427                 ql_log(ql_log_fatal, vha, 0x003c,
 428                     "Unable to allocate memory for response queue ptrs.\n");
 429                 goto fail_rsp_map;
 430         }
 431
 432         ha->base_qpair = kzalloc(sizeof(struct qla_qpair), GFP_KERNEL);
 433         if (ha->base_qpair == NULL) {
 434                 ql_log(ql_log_warn, vha, 0x00e0,
 435                     "Failed to allocate base queue pair memory.\n");
 436                 goto fail_base_qpair;
 437         }
 438
 439         qla_init_base_qpair(vha, req, rsp);
 440
 441         if ((ql2xmqsupport || ql2xnvmeenable) && ha->max_qpairs) {
 442                 ha->queue_pair_map = kcalloc(ha->max_qpairs, sizeof(struct qla_qpair *),
 443                         GFP_KERNEL);
 444                 if (!ha->queue_pair_map) {
 445                         ql_log(ql_log_fatal, vha, 0x0180,
 446                             "Unable to allocate memory for queue pair ptrs.\n");
 447                         goto fail_qpair_map;
 448                 }
 449         }
 450
 451         /*
 452          * Make sure we record at least the request and response queue zero in
 453          * case we need to free them if part of the probe fails.
 454          */
 455         ha->rsp_q_map[0] = rsp;
 456         ha->req_q_map[0] = req;
 457         set_bit(0, ha->rsp_qid_map);
 458         set_bit(0, ha->req_qid_map);
 459         return 0;
 460
 461 fail_qpair_map:
 462         kfree(ha->base_qpair);
 463         ha->base_qpair = NULL;
 464 fail_base_qpair:
 465         kfree(ha->rsp_q_map);
 466         ha->rsp_q_map = NULL;
 467 fail_rsp_map:
 468         kfree(ha->req_q_map);
 469         ha->req_q_map = NULL;
 470 fail_req_map:
 471         return -ENOMEM;
 472 }
 473
 474 static void qla2x00_free_req_que(struct qla_hw_data *ha, struct req_que *req)
 475 {
 476         if (IS_QLAFX00(ha)) {
 477                 if (req && req->ring_fx00)
 478                         dma_free_coherent(&ha->pdev->dev,
 479                             (req->length_fx00 + 1) * sizeof(request_t),
 480                             req->ring_fx00, req->dma_fx00);
 481         } else if (req && req->ring)
 482                 dma_free_coherent(&ha->pdev->dev,
 483                 (req->length + 1) * sizeof(request_t),
 484                 req->ring, req->dma);
 485
 486         if (req)
 487                 kfree(req->outstanding_cmds);
 488
 489         kfree(req);
 490 }
 491
 492 static void qla2x00_free_rsp_que(struct qla_hw_data *ha, struct rsp_que *rsp)
 493 {
 494         if (IS_QLAFX00(ha)) {
 495                 if (rsp && rsp->ring_fx00)
 496                         dma_free_coherent(&ha->pdev->dev,
 497                             (rsp->length_fx00 + 1) * sizeof(request_t),
 498                             rsp->ring_fx00, rsp->dma_fx00);
 499         } else if (rsp && rsp->ring) {
 500                 dma_free_coherent(&ha->pdev->dev,
 501                 (rsp->length + 1) * sizeof(response_t),
 502                 rsp->ring, rsp->dma);
 503         }
 504         kfree(rsp);
 505 }
 506
 507 static void qla2x00_free_queues(struct qla_hw_data *ha)
 508 {
 509         struct req_que *req;
 510         struct rsp_que *rsp;
 511         int cnt;
 512         unsigned long flags;
 513
 514         if (ha->queue_pair_map) {
 515                 kfree(ha->queue_pair_map);
 516                 ha->queue_pair_map = NULL;
 517         }
 518         if (ha->base_qpair) {
 519                 kfree(ha->base_qpair);
 520                 ha->base_qpair = NULL;
 521         }
 522
 523         spin_lock_irqsave(&ha->hardware_lock, flags);
 524         for (cnt = 0; cnt < ha->max_req_queues; cnt++) {
 525                 if (!test_bit(cnt, ha->req_qid_map))
 526                         continue;
 527
 528                 req = ha->req_q_map[cnt];
 529                 clear_bit(cnt, ha->req_qid_map);
 530                 ha->req_q_map[cnt] = NULL;
 531
 532                 spin_unlock_irqrestore(&ha->hardware_lock, flags);
 533                 qla2x00_free_req_que(ha, req);
 534                 spin_lock_irqsave(&ha->hardware_lock, flags);
 535         }
 536         spin_unlock_irqrestore(&ha->hardware_lock, flags);
 537
 538         kfree(ha->req_q_map);
 539         ha->req_q_map = NULL;
 540
 541
 542         spin_lock_irqsave(&ha->hardware_lock, flags);
 543         for (cnt = 0; cnt < ha->max_rsp_queues; cnt++) {
 544                 if (!test_bit(cnt, ha->rsp_qid_map))
 545                         continue;
 546
 547                 rsp = ha->rsp_q_map[cnt];
 548                 clear_bit(cnt, ha->rsp_qid_map);
 549                 ha->rsp_q_map[cnt] =  NULL;
 550                 spin_unlock_irqrestore(&ha->hardware_lock, flags);
 551                 qla2x00_free_rsp_que(ha, rsp);
 552                 spin_lock_irqsave(&ha->hardware_lock, flags);
 553         }
 554         spin_unlock_irqrestore(&ha->hardware_lock, flags);
 555
 556         kfree(ha->rsp_q_map);
 557         ha->rsp_q_map = NULL;
 558 }
 559
 560 static char *
 561 qla2x00_pci_info_str(struct scsi_qla_host *vha, char *str, size_t str_len)
 562 {
 563         struct qla_hw_data *ha = vha->hw;
 564         static const char *const pci_bus_modes[] = {
 565                 "33", "66", "100", "133",
 566         };
 567         uint16_t pci_bus;
 568
 569         pci_bus = (ha->pci_attr & (BIT_9 | BIT_10)) >> 9;
 570         if (pci_bus) {
 571                 snprintf(str, str_len, "PCI-X (%s MHz)",
 572                          pci_bus_modes[pci_bus]);
 573         } else {
 574                 pci_bus = (ha->pci_attr & BIT_8) >> 8;
 575                 snprintf(str, str_len, "PCI (%s MHz)", pci_bus_modes[pci_bus]);
 576         }
 577
 578         return str;
 579 }
 580
 581 static char *
 582 qla24xx_pci_info_str(struct scsi_qla_host *vha, char *str, size_t str_len)
 583 {
 584         static const char *const pci_bus_modes[] = {
 585                 "33", "66", "100", "133",
 586         };
 587         struct qla_hw_data *ha = vha->hw;
 588         uint32_t pci_bus;
 589
 590         if (pci_is_pcie(ha->pdev)) {
 591                 uint32_t lstat, lspeed, lwidth;
 592                 const char *speed_str;
 593
 594                 pcie_capability_read_dword(ha->pdev, PCI_EXP_LNKCAP, &lstat);
 595                 lspeed = lstat & PCI_EXP_LNKCAP_SLS;
 596                 lwidth = (lstat & PCI_EXP_LNKCAP_MLW) >> 4;
 597
 598                 switch (lspeed) {
 599                 case 1:
 600                         speed_str = "2.5GT/s";
 601                         break;
 602                 case 2:
 603                         speed_str = "5.0GT/s";
 604                         break;
 605                 case 3:
 606                         speed_str = "8.0GT/s";
 607                         break;
 608                 case 4:
 609                         speed_str = "16.0GT/s";
 610                         break;
 611                 default:
 612                         speed_str = "<unknown>";
 613                         break;
 614                 }
 615                 snprintf(str, str_len, "PCIe (%s x%d)", speed_str, lwidth);
 616
 617                 return str;
 618         }
 619
 620         pci_bus = (ha->pci_attr & CSRX_PCIX_BUS_MODE_MASK) >> 8;
 621         if (pci_bus == 0 || pci_bus == 8)
 622                 snprintf(str, str_len, "PCI (%s MHz)",
 623                          pci_bus_modes[pci_bus >> 3]);
 624         else
 625                 snprintf(str, str_len, "PCI-X Mode %d (%s MHz)",
 626                          pci_bus & 4 ? 2 : 1,
 627                          pci_bus_modes[pci_bus & 3]);
 628
 629         return str;
 630 }
 631
 632 static char *
 633 qla2x00_fw_version_str(struct scsi_qla_host *vha, char *str, size_t size)
 634 {
 635         char un_str[10];
 636         struct qla_hw_data *ha = vha->hw;
 637
 638         snprintf(str, size, "%d.%02d.%02d ", ha->fw_major_version,
 639             ha->fw_minor_version, ha->fw_subminor_version);
 640
 641         if (ha->fw_attributes & BIT_9) {
 642                 strcat(str, "FLX");
 643                 return (str);
 644         }
 645
 646         switch (ha->fw_attributes & 0xFF) {
 647         case 0x7:
 648                 strcat(str, "EF");
 649                 break;
 650         case 0x17:
 651                 strcat(str, "TP");
 652                 break;
 653         case 0x37:
 654                 strcat(str, "IP");
 655                 break;
 656         case 0x77:
 657                 strcat(str, "VI");
 658                 break;
 659         default:
 660                 sprintf(un_str, "(%x)", ha->fw_attributes);
 661                 strcat(str, un_str);
 662                 break;
 663         }
 664         if (ha->fw_attributes & 0x100)
 665                 strcat(str, "X");
 666
 667         return (str);
 668 }
 669
 670 static char *
 671 qla24xx_fw_version_str(struct scsi_qla_host *vha, char *str, size_t size)
 672 {
 673         struct qla_hw_data *ha = vha->hw;
 674
 675         snprintf(str, size, "%d.%02d.%02d (%x)", ha->fw_major_version,
 676             ha->fw_minor_version, ha->fw_subminor_version, ha->fw_attributes);
 677         return str;
 678 }
 679
 680 void qla2x00_sp_free_dma(srb_t *sp)
 681 {
 682         struct qla_hw_data *ha = sp->vha->hw;
 683         struct scsi_cmnd *cmd = GET_CMD_SP(sp);
 684
 685         if (sp->flags & SRB_DMA_VALID) {
 686                 scsi_dma_unmap(cmd);
 687                 sp->flags &= ~SRB_DMA_VALID;
 688         }
 689
 690         if (sp->flags & SRB_CRC_PROT_DMA_VALID) {
 691                 dma_unmap_sg(&ha->pdev->dev, scsi_prot_sglist(cmd),
 692                     scsi_prot_sg_count(cmd), cmd->sc_data_direction);
 693                 sp->flags &= ~SRB_CRC_PROT_DMA_VALID;
 694         }
 695
 696         if (sp->flags & SRB_CRC_CTX_DSD_VALID) {
 697                 /* List assured to be having elements */
 698                 qla2x00_clean_dsd_pool(ha, sp->u.scmd.crc_ctx);
 699                 sp->flags &= ~SRB_CRC_CTX_DSD_VALID;
 700         }
 701
 702         if (sp->flags & SRB_CRC_CTX_DMA_VALID) {
 703                 struct crc_context *ctx0 = sp->u.scmd.crc_ctx;
 704
 705                 dma_pool_free(ha->dl_dma_pool, ctx0, ctx0->crc_ctx_dma);
 706                 sp->flags &= ~SRB_CRC_CTX_DMA_VALID;
 707         }
 708
 709         if (sp->flags & SRB_FCP_CMND_DMA_VALID) {
 710                 struct ct6_dsd *ctx1 = sp->u.scmd.ct6_ctx;
 711
 712                 dma_pool_free(ha->fcp_cmnd_dma_pool, ctx1->fcp_cmnd,
 713                     ctx1->fcp_cmnd_dma);
 714                 list_splice(&ctx1->dsd_list, &ha->gbl_dsd_list);
 715                 ha->gbl_dsd_inuse -= ctx1->dsd_use_cnt;
 716                 ha->gbl_dsd_avail += ctx1->dsd_use_cnt;
 717                 mempool_free(ctx1, ha->ctx_mempool);
 718         }
 719 }
 720
 721 void qla2x00_sp_compl(srb_t *sp, int res)
 722 {
 723         struct scsi_cmnd *cmd = GET_CMD_SP(sp);
 724         struct completion *comp = sp->comp;
 725
 726         sp->free(sp);
 727         cmd->result = res;
 728         CMD_SP(cmd) = NULL;
 729         cmd->scsi_done(cmd);
 730         if (comp)
 731                 complete(comp);
 732 }
 733
 734 void qla2xxx_qpair_sp_free_dma(srb_t *sp)
 735 {
 736         struct scsi_cmnd *cmd = GET_CMD_SP(sp);
 737         struct qla_hw_data *ha = sp->fcport->vha->hw;
 738
 739         if (sp->flags & SRB_DMA_VALID) {
 740                 scsi_dma_unmap(cmd);
 741                 sp->flags &= ~SRB_DMA_VALID;
 742         }
 743
 744         if (sp->flags & SRB_CRC_PROT_DMA_VALID) {
 745                 dma_unmap_sg(&ha->pdev->dev, scsi_prot_sglist(cmd),
 746                     scsi_prot_sg_count(cmd), cmd->sc_data_direction);
 747                 sp->flags &= ~SRB_CRC_PROT_DMA_VALID;
 748         }
 749
 750         if (sp->flags & SRB_CRC_CTX_DSD_VALID) {
 751                 /* List assured to be having elements */
 752                 qla2x00_clean_dsd_pool(ha, sp->u.scmd.crc_ctx);
 753                 sp->flags &= ~SRB_CRC_CTX_DSD_VALID;
 754         }
 755
 756         if (sp->flags & SRB_DIF_BUNDL_DMA_VALID) {
 757                 struct crc_context *difctx = sp->u.scmd.crc_ctx;
 758                 struct dsd_dma *dif_dsd, *nxt_dsd;
 759
 760                 list_for_each_entry_safe(dif_dsd, nxt_dsd,
 761                     &difctx->ldif_dma_hndl_list, list) {
 762                         list_del(&dif_dsd->list);
 763                         dma_pool_free(ha->dif_bundl_pool, dif_dsd->dsd_addr,
 764                             dif_dsd->dsd_list_dma);
 765                         kfree(dif_dsd);
 766                         difctx->no_dif_bundl--;
 767                 }
 768
 769                 list_for_each_entry_safe(dif_dsd, nxt_dsd,
 770                     &difctx->ldif_dsd_list, list) {
 771                         list_del(&dif_dsd->list);
 772                         dma_pool_free(ha->dl_dma_pool, dif_dsd->dsd_addr,
 773                             dif_dsd->dsd_list_dma);
 774                         kfree(dif_dsd);
 775                         difctx->no_ldif_dsd--;
 776                 }
 777
 778                 if (difctx->no_ldif_dsd) {
 779                         ql_dbg(ql_dbg_tgt+ql_dbg_verbose, sp->vha, 0xe022,
 780                             "%s: difctx->no_ldif_dsd=%x\n",
 781                             __func__, difctx->no_ldif_dsd);
 782                 }
 783
 784                 if (difctx->no_dif_bundl) {
 785                         ql_dbg(ql_dbg_tgt+ql_dbg_verbose, sp->vha, 0xe022,
 786                             "%s: difctx->no_dif_bundl=%x\n",
 787                             __func__, difctx->no_dif_bundl);
 788                 }
 789                 sp->flags &= ~SRB_DIF_BUNDL_DMA_VALID;
 790         }
 791
 792         if (sp->flags & SRB_FCP_CMND_DMA_VALID) {
 793                 struct ct6_dsd *ctx1 = sp->u.scmd.ct6_ctx;
 794
 795                 dma_pool_free(ha->fcp_cmnd_dma_pool, ctx1->fcp_cmnd,
 796                     ctx1->fcp_cmnd_dma);
 797                 list_splice(&ctx1->dsd_list, &ha->gbl_dsd_list);
 798                 ha->gbl_dsd_inuse -= ctx1->dsd_use_cnt;
 799                 ha->gbl_dsd_avail += ctx1->dsd_use_cnt;
 800                 mempool_free(ctx1, ha->ctx_mempool);
 801                 sp->flags &= ~SRB_FCP_CMND_DMA_VALID;
 802         }
 803
 804         if (sp->flags & SRB_CRC_CTX_DMA_VALID) {
 805                 struct crc_context *ctx0 = sp->u.scmd.crc_ctx;
 806
 807                 dma_pool_free(ha->dl_dma_pool, ctx0, ctx0->crc_ctx_dma);
 808                 sp->flags &= ~SRB_CRC_CTX_DMA_VALID;
 809         }
 810 }
 811
 812 void qla2xxx_qpair_sp_compl(srb_t *sp, int res)
 813 {
 814         struct scsi_cmnd *cmd = GET_CMD_SP(sp);
 815         struct completion *comp = sp->comp;
 816
 817         sp->free(sp);
 818         cmd->result = res;
 819         CMD_SP(cmd) = NULL;
 820         cmd->scsi_done(cmd);
 821         if (comp)
 822                 complete(comp);
 823 }
 824
 825 static int
 826 qla2xxx_queuecommand(struct Scsi_Host *host, struct scsi_cmnd *cmd)
 827 {
 828         scsi_qla_host_t *vha = shost_priv(host);
 829         fc_port_t *fcport = (struct fc_port *) cmd->device->hostdata;
 830         struct fc_rport *rport = starget_to_rport(scsi_target(cmd->device));
 831         struct qla_hw_data *ha = vha->hw;
 832         struct scsi_qla_host *base_vha = pci_get_drvdata(ha->pdev);
 833         srb_t *sp;
 834         int rval;
 835
 836         if (unlikely(test_bit(UNLOADING, &base_vha->dpc_flags)) ||
 837             WARN_ON_ONCE(!rport)) {
 838                 cmd->result = DID_NO_CONNECT << 16;
 839                 goto qc24_fail_command;
 840         }
 841
 842         if (ha->mqenable) {
 843                 uint32_t tag;
 844                 uint16_t hwq;
 845                 struct qla_qpair *qpair = NULL;
 846
 847                 tag = blk_mq_unique_tag(cmd->request);
 848                 hwq = blk_mq_unique_tag_to_hwq(tag);
 849                 qpair = ha->queue_pair_map[hwq];
 850
 851                 if (qpair)
 852                         return qla2xxx_mqueuecommand(host, cmd, qpair);
 853         }
 854
 855         if (ha->flags.eeh_busy) {
 856                 if (ha->flags.pci_channel_io_perm_failure) {
 857                         ql_dbg(ql_dbg_aer, vha, 0x9010,
 858                             "PCI Channel IO permanent failure, exiting "
 859                             "cmd=%p.\n", cmd);
 860                         cmd->result = DID_NO_CONNECT << 16;
 861                 } else {
 862                         ql_dbg(ql_dbg_aer, vha, 0x9011,
 863                             "EEH_Busy, Requeuing the cmd=%p.\n", cmd);
 864                         cmd->result = DID_REQUEUE << 16;
 865                 }
 866                 goto qc24_fail_command;
 867         }
 868
 869         rval = fc_remote_port_chkready(rport);
 870         if (rval) {
 871                 cmd->result = rval;
 872                 ql_dbg(ql_dbg_io + ql_dbg_verbose, vha, 0x3003,
 873                     "fc_remote_port_chkready failed for cmd=%p, rval=0x%x.\n",
 874                     cmd, rval);
 875                 goto qc24_fail_command;
 876         }
 877
 878         if (!vha->flags.difdix_supported &&
 879                 scsi_get_prot_op(cmd) != SCSI_PROT_NORMAL) {
 880                         ql_dbg(ql_dbg_io, vha, 0x3004,
 881                             "DIF Cap not reg, fail DIF capable cmd's:%p.\n",
 882                             cmd);
 883                         cmd->result = DID_NO_CONNECT << 16;
 884                         goto qc24_fail_command;
 885         }
 886
 887         if (!fcport) {
 888                 cmd->result = DID_NO_CONNECT << 16;
 889                 goto qc24_fail_command;
 890         }
 891
 892         if (atomic_read(&fcport->state) != FCS_ONLINE || fcport->deleted) {
 893                 if (atomic_read(&fcport->state) == FCS_DEVICE_DEAD ||
 894                         atomic_read(&base_vha->loop_state) == LOOP_DEAD) {
 895                         ql_dbg(ql_dbg_io, vha, 0x3005,
 896                             "Returning DNC, fcport_state=%d loop_state=%d.\n",
 897                             atomic_read(&fcport->state),
 898                             atomic_read(&base_vha->loop_state));
 899                         cmd->result = DID_NO_CONNECT << 16;
 900                         goto qc24_fail_command;
 901                 }
 902                 goto qc24_target_busy;
 903         }
 904
 905         /*
 906          * Return target busy if we've received a non-zero retry_delay_timer
 907          * in a FCP_RSP.
 908          */
 909         if (fcport->retry_delay_timestamp == 0) {
 910                 /* retry delay not set */
 911         } else if (time_after(jiffies, fcport->retry_delay_timestamp))
 912                 fcport->retry_delay_timestamp = 0;
 913         else
 914                 goto qc24_target_busy;
 915
 916         sp = scsi_cmd_priv(cmd);
 917         qla2xxx_init_sp(sp, vha, vha->hw->base_qpair, fcport);
 918
 919         sp->u.scmd.cmd = cmd;
 920         sp->type = SRB_SCSI_CMD;
 921
 922         CMD_SP(cmd) = (void *)sp;
 923         sp->free = qla2x00_sp_free_dma;
 924         sp->done = qla2x00_sp_compl;
 925
 926         rval = ha->isp_ops->start_scsi(sp);
 927         if (rval != QLA_SUCCESS) {
 928                 ql_dbg(ql_dbg_io + ql_dbg_verbose, vha, 0x3013,
 929                     "Start scsi failed rval=%d for cmd=%p.\n", rval, cmd);
 930                 goto qc24_host_busy_free_sp;
 931         }
 932
 933         return 0;
 934
 935 qc24_host_busy_free_sp:
 936         sp->free(sp);
 937
 938 qc24_target_busy:
 939         return SCSI_MLQUEUE_TARGET_BUSY;
 940
 941 qc24_fail_command:
 942         cmd->scsi_done(cmd);
 943
 944         return 0;
 945 }
 946
 947 /* For MQ supported I/O */
 948 int
 949 qla2xxx_mqueuecommand(struct Scsi_Host *host, struct scsi_cmnd *cmd,
 950     struct qla_qpair *qpair)
 951 {
 952         scsi_qla_host_t *vha = shost_priv(host);
 953         fc_port_t *fcport = (struct fc_port *) cmd->device->hostdata;
 954         struct fc_rport *rport = starget_to_rport(scsi_target(cmd->device));
 955         struct qla_hw_data *ha = vha->hw;
 956         struct scsi_qla_host *base_vha = pci_get_drvdata(ha->pdev);
 957         srb_t *sp;
 958         int rval;
 959
 960         rval = rport ? fc_remote_port_chkready(rport) : FC_PORTSTATE_OFFLINE;
 961         if (rval) {
 962                 cmd->result = rval;
 963                 ql_dbg(ql_dbg_io + ql_dbg_verbose, vha, 0x3076,
 964                     "fc_remote_port_chkready failed for cmd=%p, rval=0x%x.\n",
 965                     cmd, rval);
 966                 goto qc24_fail_command;
 967         }
 968
 969         if (!fcport) {
 970                 cmd->result = DID_NO_CONNECT << 16;
 971                 goto qc24_fail_command;
 972         }
 973
 974         if (atomic_read(&fcport->state) != FCS_ONLINE || fcport->deleted) {
 975                 if (atomic_read(&fcport->state) == FCS_DEVICE_DEAD ||
 976                         atomic_read(&base_vha->loop_state) == LOOP_DEAD) {
 977                         ql_dbg(ql_dbg_io, vha, 0x3077,
 978                             "Returning DNC, fcport_state=%d loop_state=%d.\n",
 979                             atomic_read(&fcport->state),
 980                             atomic_read(&base_vha->loop_state));
 981                         cmd->result = DID_NO_CONNECT << 16;
 982                         goto qc24_fail_command;
 983                 }
 984                 goto qc24_target_busy;
 985         }
 986
 987         /*
 988          * Return target busy if we've received a non-zero retry_delay_timer
 989          * in a FCP_RSP.
 990          */
 991         if (fcport->retry_delay_timestamp == 0) {
 992                 /* retry delay not set */
 993         } else if (time_after(jiffies, fcport->retry_delay_timestamp))
 994                 fcport->retry_delay_timestamp = 0;
 995         else
 996                 goto qc24_target_busy;
 997
 998         sp = scsi_cmd_priv(cmd);
 999         qla2xxx_init_sp(sp, vha, qpair, fcport);
1000
1001         sp->u.scmd.cmd = cmd;
1002         sp->type = SRB_SCSI_CMD;
1003         CMD_SP(cmd) = (void *)sp;
1004         sp->free = qla2xxx_qpair_sp_free_dma;
1005         sp->done = qla2xxx_qpair_sp_compl;
1006
1007         rval = ha->isp_ops->start_scsi_mq(sp);
1008         if (rval != QLA_SUCCESS) {
1009                 ql_dbg(ql_dbg_io + ql_dbg_verbose, vha, 0x3078,
1010                     "Start scsi failed rval=%d for cmd=%p.\n", rval, cmd);
1011                 if (rval == QLA_INTERFACE_ERROR)
1012                         goto qc24_free_sp_fail_command;
1013                 goto qc24_host_busy_free_sp;
1014         }
1015
1016         return 0;
1017
1018 qc24_host_busy_free_sp:
1019         sp->free(sp);
1020
1021 qc24_target_busy:
1022         return SCSI_MLQUEUE_TARGET_BUSY;
1023
1024 qc24_free_sp_fail_command:
1025         sp->free(sp);
1026         CMD_SP(cmd) = NULL;
1027         qla2xxx_rel_qpair_sp(sp->qpair, sp);
1028
1029 qc24_fail_command:
1030         cmd->scsi_done(cmd);
1031
1032         return 0;
1033 }
1034
1035 /*
1036  * qla2x00_eh_wait_on_command
1037  *    Waits for the command to be returned by the Firmware for some
1038  *    max time.
1039  *
1040  * Input:
1041  *    cmd = Scsi Command to wait on.
1042  *
1043  * Return:
1044  *    Completed in time : QLA_SUCCESS
1045  *    Did not complete in time : QLA_FUNCTION_FAILED
1046  */
1047 static int
1048 qla2x00_eh_wait_on_command(struct scsi_cmnd *cmd)
1049 {
1050 #define ABORT_POLLING_PERIOD    1000
1051 #define ABORT_WAIT_ITER         ((2 * 1000) / (ABORT_POLLING_PERIOD))
1052         unsigned long wait_iter = ABORT_WAIT_ITER;
1053         scsi_qla_host_t *vha = shost_priv(cmd->device->host);
1054         struct qla_hw_data *ha = vha->hw;
1055         int ret = QLA_SUCCESS;
1056
1057         if (unlikely(pci_channel_offline(ha->pdev)) || ha->flags.eeh_busy) {
1058                 ql_dbg(ql_dbg_taskm, vha, 0x8005,
1059                     "Return:eh_wait.\n");
1060                 return ret;
1061         }
1062
1063         while (CMD_SP(cmd) && wait_iter--) {
1064                 msleep(ABORT_POLLING_PERIOD);
1065         }
1066         if (CMD_SP(cmd))
1067                 ret = QLA_FUNCTION_FAILED;
1068
1069         return ret;
1070 }
1071
1072 /*
1073  * qla2x00_wait_for_hba_online
1074  *    Wait till the HBA is online after going through
1075  *    <= MAX_RETRIES_OF_ISP_ABORT  or
1076  *    finally HBA is disabled ie marked offline
1077  *
1078  * Input:
1079  *     ha - pointer to host adapter structure
1080  *
1081  * Note:
1082  *    Does context switching-Release SPIN_LOCK
1083  *    (if any) before calling this routine.
1084  *
1085  * Return:
1086  *    Success (Adapter is online) : 0
1087  *    Failed  (Adapter is offline/disabled) : 1
1088  */
1089 int
1090 qla2x00_wait_for_hba_online(scsi_qla_host_t *vha)
1091 {
1092         int             return_status;
1093         unsigned long   wait_online;
1094         struct qla_hw_data *ha = vha->hw;
1095         scsi_qla_host_t *base_vha = pci_get_drvdata(ha->pdev);
1096
1097         wait_online = jiffies + (MAX_LOOP_TIMEOUT * HZ);
1098         while (((test_bit(ISP_ABORT_NEEDED, &base_vha->dpc_flags)) ||
1099             test_bit(ABORT_ISP_ACTIVE, &base_vha->dpc_flags) ||
1100             test_bit(ISP_ABORT_RETRY, &base_vha->dpc_flags) ||
1101             ha->dpc_active) && time_before(jiffies, wait_online)) {
1102
1103                 msleep(1000);
1104         }
1105         if (base_vha->flags.online)
1106                 return_status = QLA_SUCCESS;
1107         else
1108                 return_status = QLA_FUNCTION_FAILED;
1109
1110         return (return_status);
1111 }
1112
1113 static inline int test_fcport_count(scsi_qla_host_t *vha)
1114 {
1115         struct qla_hw_data *ha = vha->hw;
1116         unsigned long flags;
1117         int res;
1118
1119         spin_lock_irqsave(&ha->tgt.sess_lock, flags);
1120         ql_dbg(ql_dbg_init, vha, 0x00ec,
1121             "tgt %p, fcport_count=%d\n",
1122             vha, vha->fcport_count);
1123         res = (vha->fcport_count == 0);
1124         spin_unlock_irqrestore(&ha->tgt.sess_lock, flags);
1125
1126         return res;
1127 }
1128
1129 /*
1130  * qla2x00_wait_for_sess_deletion can only be called from remove_one.
1131  * it has dependency on UNLOADING flag to stop device discovery
1132  */
1133 void
1134 qla2x00_wait_for_sess_deletion(scsi_qla_host_t *vha)
1135 {
1136         u8 i;
1137
1138         qla2x00_mark_all_devices_lost(vha);
1139
1140         for (i = 0; i < 10; i++) {
1141                 if (wait_event_timeout(vha->fcport_waitQ,
1142                     test_fcport_count(vha), HZ) > 0)
1143                         break;
1144         }
1145
1146         flush_workqueue(vha->hw->wq);
1147 }
1148
1149 /*
1150  * qla2x00_wait_for_hba_ready
1151  * Wait till the HBA is ready before doing driver unload
1152  *
1153  * Input:
1154  *     ha - pointer to host adapter structure
1155  *
1156  * Note:
1157  *    Does context switching-Release SPIN_LOCK
1158  *    (if any) before calling this routine.
1159  *
1160  */
1161 static void
1162 qla2x00_wait_for_hba_ready(scsi_qla_host_t *vha)
1163 {
1164         struct qla_hw_data *ha = vha->hw;
1165         scsi_qla_host_t *base_vha = pci_get_drvdata(ha->pdev);
1166
1167         while ((qla2x00_reset_active(vha) || ha->dpc_active ||
1168                 ha->flags.mbox_busy) ||
1169                test_bit(FX00_RESET_RECOVERY, &vha->dpc_flags) ||
1170                test_bit(FX00_TARGET_SCAN, &vha->dpc_flags)) {
1171                 if (test_bit(UNLOADING, &base_vha->dpc_flags))
1172                         break;
1173                 msleep(1000);
1174         }
1175 }
1176
1177 int
1178 qla2x00_wait_for_chip_reset(scsi_qla_host_t *vha)
1179 {
1180         int             return_status;
1181         unsigned long   wait_reset;
1182         struct qla_hw_data *ha = vha->hw;
1183         scsi_qla_host_t *base_vha = pci_get_drvdata(ha->pdev);
1184
1185         wait_reset = jiffies + (MAX_LOOP_TIMEOUT * HZ);
1186         while (((test_bit(ISP_ABORT_NEEDED, &base_vha->dpc_flags)) ||
1187             test_bit(ABORT_ISP_ACTIVE, &base_vha->dpc_flags) ||
1188             test_bit(ISP_ABORT_RETRY, &base_vha->dpc_flags) ||
1189             ha->dpc_active) && time_before(jiffies, wait_reset)) {
1190
1191                 msleep(1000);
1192
1193                 if (!test_bit(ISP_ABORT_NEEDED, &base_vha->dpc_flags) &&
1194                     ha->flags.chip_reset_done)
1195                         break;
1196         }
1197         if (ha->flags.chip_reset_done)
1198                 return_status = QLA_SUCCESS;
1199         else
1200                 return_status = QLA_FUNCTION_FAILED;
1201
1202         return return_status;
1203 }
1204
1205 #define ISP_REG_DISCONNECT 0xffffffffU
1206 /**************************************************************************
1207 * qla2x00_isp_reg_stat
1208 *
1209 * Description:
1210 *       Read the host status register of ISP before aborting the command.
1211 *
1212 * Input:
1213 *       ha = pointer to host adapter structure.
1214 *
1215 *
1216 * Returns:
1217 *       Either true or false.
1218 *
1219 * Note: Return true if there is register disconnect.
1220 **************************************************************************/
1221 static inline
1222 uint32_t qla2x00_isp_reg_stat(struct qla_hw_data *ha)
1223 {
1224         struct device_reg_24xx __iomem *reg = &ha->iobase->isp24;
1225         struct device_reg_82xx __iomem *reg82 = &ha->iobase->isp82;
1226
1227         if (IS_P3P_TYPE(ha))
1228                 return ((rd_reg_dword(&reg82->host_int)) == ISP_REG_DISCONNECT);
1229         else
1230                 return ((rd_reg_dword(&reg->host_status)) ==
1231                         ISP_REG_DISCONNECT);
1232 }
1233
1234 /**************************************************************************
1235 * qla2xxx_eh_abort
1236 *
1237 * Description:
1238 *    The abort function will abort the specified command.
1239 *
1240 * Input:
1241 *    cmd = Linux SCSI command packet to be aborted.
1242 *
1243 * Returns:
1244 *    Either SUCCESS or FAILED.
1245 *
1246 * Note:
1247 *    Only return FAILED if command not returned by firmware.
1248 **************************************************************************/
1249 static int
1250 qla2xxx_eh_abort(struct scsi_cmnd *cmd)
1251 {
1252         scsi_qla_host_t *vha = shost_priv(cmd->device->host);
1253         DECLARE_COMPLETION_ONSTACK(comp);
1254         srb_t *sp;
1255         int ret;
1256         unsigned int id;
1257         uint64_t lun;
1258         int rval;
1259         struct qla_hw_data *ha = vha->hw;
1260         uint32_t ratov_j;
1261         struct qla_qpair *qpair;
1262         unsigned long flags;
1263
1264         if (qla2x00_isp_reg_stat(ha)) {
1265                 ql_log(ql_log_info, vha, 0x8042,
1266                     "PCI/Register disconnect, exiting.\n");
1267                 return FAILED;
1268         }
1269
1270         ret = fc_block_scsi_eh(cmd);
1271         if (ret != 0)
1272                 return ret;
1273
1274         sp = scsi_cmd_priv(cmd);
1275         qpair = sp->qpair;
1276
1277         if ((sp->fcport && sp->fcport->deleted) || !qpair)
1278                 return SUCCESS;
1279
1280         spin_lock_irqsave(qpair->qp_lock_ptr, flags);
1281         sp->comp = &comp;
1282         spin_unlock_irqrestore(qpair->qp_lock_ptr, flags);
1283
1284
1285         id = cmd->device->id;
1286         lun = cmd->device->lun;
1287
1288         ql_dbg(ql_dbg_taskm, vha, 0x8002,
1289             "Aborting from RISC nexus=%ld:%d:%llu sp=%p cmd=%p handle=%x\n",
1290             vha->host_no, id, lun, sp, cmd, sp->handle);
1291
1292         /*
1293          * Abort will release the original Command/sp from FW. Let the
1294          * original command call scsi_done. In return, he will wakeup
1295          * this sleeping thread.
1296          */
1297         rval = ha->isp_ops->abort_command(sp);
1298
1299         ql_dbg(ql_dbg_taskm, vha, 0x8003,
1300                "Abort command mbx cmd=%p, rval=%x.\n", cmd, rval);
1301
1302         /* Wait for the command completion. */
1303         ratov_j = ha->r_a_tov/10 * 4 * 1000;
1304         ratov_j = msecs_to_jiffies(ratov_j);
1305         switch (rval) {
1306         case QLA_SUCCESS:
1307                 if (!wait_for_completion_timeout(&comp, ratov_j)) {
1308                         ql_dbg(ql_dbg_taskm, vha, 0xffff,
1309                             "%s: Abort wait timer (4 * R_A_TOV[%d]) expired\n",
1310                             __func__, ha->r_a_tov/10);
1311                         ret = FAILED;
1312                 } else {
1313                         ret = SUCCESS;
1314                 }
1315                 break;
1316         default:
1317                 ret = FAILED;
1318                 break;
1319         }
1320
1321         sp->comp = NULL;
1322
1323         ql_log(ql_log_info, vha, 0x801c,
1324             "Abort command issued nexus=%ld:%d:%llu -- %x.\n",
1325             vha->host_no, id, lun, ret);
1326
1327         return ret;
1328 }
1329
1330 /*
1331  * Returns: QLA_SUCCESS or QLA_FUNCTION_FAILED.
1332  */
1333 int
1334 qla2x00_eh_wait_for_pending_commands(scsi_qla_host_t *vha, unsigned int t,
1335         uint64_t l, enum nexus_wait_type type)
1336 {
1337         int cnt, match, status;
1338         unsigned long flags;
1339         struct qla_hw_data *ha = vha->hw;
1340         struct req_que *req;
1341         srb_t *sp;
1342         struct scsi_cmnd *cmd;
1343
1344         status = QLA_SUCCESS;
1345
1346         spin_lock_irqsave(&ha->hardware_lock, flags);
1347         req = vha->req;
1348         for (cnt = 1; status == QLA_SUCCESS &&
1349                 cnt < req->num_outstanding_cmds; cnt++) {
1350                 sp = req->outstanding_cmds[cnt];
1351                 if (!sp)
1352                         continue;
1353                 if (sp->type != SRB_SCSI_CMD)
1354                         continue;
1355                 if (vha->vp_idx != sp->vha->vp_idx)
1356                         continue;
1357                 match = 0;
1358                 cmd = GET_CMD_SP(sp);
1359                 switch (type) {
1360                 case WAIT_HOST:
1361                         match = 1;
1362                         break;
1363                 case WAIT_TARGET:
1364                         match = cmd->device->id == t;
1365                         break;
1366                 case WAIT_LUN:
1367                         match = (cmd->device->id == t &&
1368                                 cmd->device->lun == l);
1369                         break;
1370                 }
1371                 if (!match)
1372                         continue;
1373
1374                 spin_unlock_irqrestore(&ha->hardware_lock, flags);
1375                 status = qla2x00_eh_wait_on_command(cmd);
1376                 spin_lock_irqsave(&ha->hardware_lock, flags);
1377         }
1378         spin_unlock_irqrestore(&ha->hardware_lock, flags);
1379
1380         return status;
1381 }
1382
1383 static char *reset_errors[] = {
1384         "HBA not online",
1385         "HBA not ready",
1386         "Task management failed",
1387         "Waiting for command completions",
1388 };
1389
1390 static int
1391 __qla2xxx_eh_generic_reset(char *name, enum nexus_wait_type type,
1392     struct scsi_cmnd *cmd, int (*do_reset)(struct fc_port *, uint64_t, int))
1393 {
1394         scsi_qla_host_t *vha = shost_priv(cmd->device->host);
1395         fc_port_t *fcport = (struct fc_port *) cmd->device->hostdata;
1396         int err;
1397
1398         if (!fcport) {
1399                 return FAILED;
1400         }
1401
1402         err = fc_block_scsi_eh(cmd);
1403         if (err != 0)
1404                 return err;
1405
1406         if (fcport->deleted)
1407                 return SUCCESS;
1408
1409         ql_log(ql_log_info, vha, 0x8009,
1410             "%s RESET ISSUED nexus=%ld:%d:%llu cmd=%p.\n", name, vha->host_no,
1411             cmd->device->id, cmd->device->lun, cmd);
1412
1413         err = 0;
1414         if (qla2x00_wait_for_hba_online(vha) != QLA_SUCCESS) {
1415                 ql_log(ql_log_warn, vha, 0x800a,
1416                     "Wait for hba online failed for cmd=%p.\n", cmd);
1417                 goto eh_reset_failed;
1418         }
1419         err = 2;
1420         if (do_reset(fcport, cmd->device->lun, 1)
1421                 != QLA_SUCCESS) {
1422                 ql_log(ql_log_warn, vha, 0x800c,
1423                     "do_reset failed for cmd=%p.\n", cmd);
1424                 goto eh_reset_failed;
1425         }
1426         err = 3;
1427         if (qla2x00_eh_wait_for_pending_commands(vha, cmd->device->id,
1428             cmd->device->lun, type) != QLA_SUCCESS) {
1429                 ql_log(ql_log_warn, vha, 0x800d,
1430                     "wait for pending cmds failed for cmd=%p.\n", cmd);
1431                 goto eh_reset_failed;
1432         }
1433
1434         ql_log(ql_log_info, vha, 0x800e,
1435             "%s RESET SUCCEEDED nexus:%ld:%d:%llu cmd=%p.\n", name,
1436             vha->host_no, cmd->device->id, cmd->device->lun, cmd);
1437
1438         return SUCCESS;
1439
1440 eh_reset_failed:
1441         ql_log(ql_log_info, vha, 0x800f,
1442             "%s RESET FAILED: %s nexus=%ld:%d:%llu cmd=%p.\n", name,
1443             reset_errors[err], vha->host_no, cmd->device->id, cmd->device->lun,
1444             cmd);
1445         return FAILED;
1446 }
1447
1448 static int
1449 qla2xxx_eh_device_reset(struct scsi_cmnd *cmd)
1450 {
1451         scsi_qla_host_t *vha = shost_priv(cmd->device->host);
1452         struct qla_hw_data *ha = vha->hw;
1453
1454         if (qla2x00_isp_reg_stat(ha)) {
1455                 ql_log(ql_log_info, vha, 0x803e,
1456                     "PCI/Register disconnect, exiting.\n");
1457                 return FAILED;
1458         }
1459
1460         return __qla2xxx_eh_generic_reset("DEVICE", WAIT_LUN, cmd,
1461             ha->isp_ops->lun_reset);
1462 }
1463
1464 static int
1465 qla2xxx_eh_target_reset(struct scsi_cmnd *cmd)
1466 {
1467         scsi_qla_host_t *vha = shost_priv(cmd->device->host);
1468         struct qla_hw_data *ha = vha->hw;
1469
1470         if (qla2x00_isp_reg_stat(ha)) {
1471                 ql_log(ql_log_info, vha, 0x803f,
1472                     "PCI/Register disconnect, exiting.\n");
1473                 return FAILED;
1474         }
1475
1476         return __qla2xxx_eh_generic_reset("TARGET", WAIT_TARGET, cmd,
1477             ha->isp_ops->target_reset);
1478 }
1479
1480 /**************************************************************************
1481 * qla2xxx_eh_bus_reset
1482 *
1483 * Description:
1484 *    The bus reset function will reset the bus and abort any executing
1485 *    commands.
1486 *
1487 * Input:
1488 *    cmd = Linux SCSI command packet of the command that cause the
1489 *          bus reset.
1490 *
1491 * Returns:
1492 *    SUCCESS/FAILURE (defined as macro in scsi.h).
1493 *
1494 **************************************************************************/
1495 static int
1496 qla2xxx_eh_bus_reset(struct scsi_cmnd *cmd)
1497 {
1498         scsi_qla_host_t *vha = shost_priv(cmd->device->host);
1499         fc_port_t *fcport = (struct fc_port *) cmd->device->hostdata;
1500         int ret = FAILED;
1501         unsigned int id;
1502         uint64_t lun;
1503         struct qla_hw_data *ha = vha->hw;
1504
1505         if (qla2x00_isp_reg_stat(ha)) {
1506                 ql_log(ql_log_info, vha, 0x8040,
1507                     "PCI/Register disconnect, exiting.\n");
1508                 return FAILED;
1509         }
1510
1511         id = cmd->device->id;
1512         lun = cmd->device->lun;
1513
1514         if (!fcport) {
1515                 return ret;
1516         }
1517
1518         ret = fc_block_scsi_eh(cmd);
1519         if (ret != 0)
1520                 return ret;
1521         ret = FAILED;
1522
1523         if (qla2x00_chip_is_down(vha))
1524                 return ret;
1525
1526         ql_log(ql_log_info, vha, 0x8012,
1527             "BUS RESET ISSUED nexus=%ld:%d:%llu.\n", vha->host_no, id, lun);
1528
1529         if (qla2x00_wait_for_hba_online(vha) != QLA_SUCCESS) {
1530                 ql_log(ql_log_fatal, vha, 0x8013,
1531                     "Wait for hba online failed board disabled.\n");
1532                 goto eh_bus_reset_done;
1533         }
1534
1535         if (qla2x00_loop_reset(vha) == QLA_SUCCESS)
1536                 ret = SUCCESS;
1537
1538         if (ret == FAILED)
1539                 goto eh_bus_reset_done;
1540
1541         /* Flush outstanding commands. */
1542         if (qla2x00_eh_wait_for_pending_commands(vha, 0, 0, WAIT_HOST) !=
1543             QLA_SUCCESS) {
1544                 ql_log(ql_log_warn, vha, 0x8014,
1545                     "Wait for pending commands failed.\n");
1546                 ret = FAILED;
1547         }
1548
1549 eh_bus_reset_done:
1550         ql_log(ql_log_warn, vha, 0x802b,
1551             "BUS RESET %s nexus=%ld:%d:%llu.\n",
1552             (ret == FAILED) ? "FAILED" : "SUCCEEDED", vha->host_no, id, lun);
1553
1554         return ret;
1555 }
1556
1557 /**************************************************************************
1558 * qla2xxx_eh_host_reset
1559 *
1560 * Description:
1561 *    The reset function will reset the Adapter.
1562 *
1563 * Input:
1564 *      cmd = Linux SCSI command packet of the command that cause the
1565 *            adapter reset.
1566 *
1567 * Returns:
1568 *      Either SUCCESS or FAILED.
1569 *
1570 * Note:
1571 **************************************************************************/
1572 static int
1573 qla2xxx_eh_host_reset(struct scsi_cmnd *cmd)
1574 {
1575         scsi_qla_host_t *vha = shost_priv(cmd->device->host);
1576         struct qla_hw_data *ha = vha->hw;
1577         int ret = FAILED;
1578         unsigned int id;
1579         uint64_t lun;
1580         scsi_qla_host_t *base_vha = pci_get_drvdata(ha->pdev);
1581
1582         if (qla2x00_isp_reg_stat(ha)) {
1583                 ql_log(ql_log_info, vha, 0x8041,
1584                     "PCI/Register disconnect, exiting.\n");
1585                 schedule_work(&ha->board_disable);
1586                 return SUCCESS;
1587         }
1588
1589         id = cmd->device->id;
1590         lun = cmd->device->lun;
1591
1592         ql_log(ql_log_info, vha, 0x8018,
1593             "ADAPTER RESET ISSUED nexus=%ld:%d:%llu.\n", vha->host_no, id, lun);
1594
1595         /*
1596          * No point in issuing another reset if one is active.  Also do not
1597          * attempt a reset if we are updating flash.
1598          */
1599         if (qla2x00_reset_active(vha) || ha->optrom_state != QLA_SWAITING)
1600                 goto eh_host_reset_lock;
1601
1602         if (vha != base_vha) {
1603                 if (qla2x00_vp_abort_isp(vha))
1604                         goto eh_host_reset_lock;
1605         } else {
1606                 if (IS_P3P_TYPE(vha->hw)) {
1607                         if (!qla82xx_fcoe_ctx_reset(vha)) {
1608                                 /* Ctx reset success */
1609                                 ret = SUCCESS;
1610                                 goto eh_host_reset_lock;
1611                         }
1612                         /* fall thru if ctx reset failed */
1613                 }
1614                 if (ha->wq)
1615                         flush_workqueue(ha->wq);
1616
1617                 set_bit(ABORT_ISP_ACTIVE, &base_vha->dpc_flags);
1618                 if (ha->isp_ops->abort_isp(base_vha)) {
1619                         clear_bit(ABORT_ISP_ACTIVE, &base_vha->dpc_flags);
1620                         /* failed. schedule dpc to try */
1621                         set_bit(ISP_ABORT_NEEDED, &base_vha->dpc_flags);
1622
1623                         if (qla2x00_wait_for_hba_online(vha) != QLA_SUCCESS) {
1624                                 ql_log(ql_log_warn, vha, 0x802a,
1625                                     "wait for hba online failed.\n");
1626                                 goto eh_host_reset_lock;
1627                         }
1628                 }
1629                 clear_bit(ABORT_ISP_ACTIVE, &base_vha->dpc_flags);
1630         }
1631
1632         /* Waiting for command to be returned to OS.*/
1633         if (qla2x00_eh_wait_for_pending_commands(vha, 0, 0, WAIT_HOST) ==
1634                 QLA_SUCCESS)
1635                 ret = SUCCESS;
1636
1637 eh_host_reset_lock:
1638         ql_log(ql_log_info, vha, 0x8017,
1639             "ADAPTER RESET %s nexus=%ld:%d:%llu.\n",
1640             (ret == FAILED) ? "FAILED" : "SUCCEEDED", vha->host_no, id, lun);
1641
1642         return ret;
1643 }
1644
1645 /*
1646 * qla2x00_loop_reset
1647 *      Issue loop reset.
1648 *
1649 * Input:
1650 *      ha = adapter block pointer.
1651 *
1652 * Returns:
1653 *      0 = success
1654 */
1655 int
1656 qla2x00_loop_reset(scsi_qla_host_t *vha)
1657 {
1658         int ret;
1659         struct fc_port *fcport;
1660         struct qla_hw_data *ha = vha->hw;
1661
1662         if (IS_QLAFX00(ha)) {
1663                 return qlafx00_loop_reset(vha);
1664         }
1665
1666         if (ql2xtargetreset == 1 && ha->flags.enable_target_reset) {
1667                 list_for_each_entry(fcport, &vha->vp_fcports, list) {
1668                         if (fcport->port_type != FCT_TARGET)
1669                                 continue;
1670
1671                         ret = ha->isp_ops->target_reset(fcport, 0, 0);
1672                         if (ret != QLA_SUCCESS) {
1673                                 ql_dbg(ql_dbg_taskm, vha, 0x802c,
1674                                     "Bus Reset failed: Reset=%d "
1675                                     "d_id=%x.\n", ret, fcport->d_id.b24);
1676                         }
1677                 }
1678         }
1679
1680
1681         if (ha->flags.enable_lip_full_login && !IS_CNA_CAPABLE(ha)) {
1682                 atomic_set(&vha->loop_state, LOOP_DOWN);
1683                 atomic_set(&vha->loop_down_timer, LOOP_DOWN_TIME);
1684                 qla2x00_mark_all_devices_lost(vha);
1685                 ret = qla2x00_full_login_lip(vha);
1686                 if (ret != QLA_SUCCESS) {
1687                         ql_dbg(ql_dbg_taskm, vha, 0x802d,
1688                             "full_login_lip=%d.\n", ret);
1689                 }
1690         }
1691
1692         if (ha->flags.enable_lip_reset) {
1693                 ret = qla2x00_lip_reset(vha);
1694                 if (ret != QLA_SUCCESS)
1695                         ql_dbg(ql_dbg_taskm, vha, 0x802e,
1696                             "lip_reset failed (%d).\n", ret);
1697         }
1698
1699         /* Issue marker command only when we are going to start the I/O */
1700         vha->marker_needed = 1;
1701
1702         return QLA_SUCCESS;
1703 }
1704
1705 /*
1706  * The caller must ensure that no completion interrupts will happen
1707  * while this function is in progress.
1708  */
1709 static void qla2x00_abort_srb(struct qla_qpair *qp, srb_t *sp, const int res,
1710                               unsigned long *flags)
1711         __releases(qp->qp_lock_ptr)
1712         __acquires(qp->qp_lock_ptr)
1713 {
1714         DECLARE_COMPLETION_ONSTACK(comp);
1715         scsi_qla_host_t *vha = qp->vha;
1716         struct qla_hw_data *ha = vha->hw;
1717         struct scsi_cmnd *cmd = GET_CMD_SP(sp);
1718         int rval;
1719         bool ret_cmd;
1720         uint32_t ratov_j;
1721
1722         lockdep_assert_held(qp->qp_lock_ptr);
1723
1724         if (qla2x00_chip_is_down(vha)) {
1725                 sp->done(sp, res);
1726                 return;
1727         }
1728
1729         if (sp->type == SRB_NVME_CMD || sp->type == SRB_NVME_LS ||
1730             (sp->type == SRB_SCSI_CMD && !ha->flags.eeh_busy &&
1731              !test_bit(ABORT_ISP_ACTIVE, &vha->dpc_flags) &&
1732              !qla2x00_isp_reg_stat(ha))) {
1733                 if (sp->comp) {
1734                         sp->done(sp, res);
1735                         return;
1736                 }
1737
1738                 sp->comp = &comp;
1739                 spin_unlock_irqrestore(qp->qp_lock_ptr, *flags);
1740
1741                 rval = ha->isp_ops->abort_command(sp);
1742                 /* Wait for command completion. */
1743                 ret_cmd = false;
1744                 ratov_j = ha->r_a_tov/10 * 4 * 1000;
1745                 ratov_j = msecs_to_jiffies(ratov_j);
1746                 switch (rval) {
1747                 case QLA_SUCCESS:
1748                         if (wait_for_completion_timeout(&comp, ratov_j)) {
1749                                 ql_dbg(ql_dbg_taskm, vha, 0xffff,
1750                                     "%s: Abort wait timer (4 * R_A_TOV[%d]) expired\n",
1751                                     __func__, ha->r_a_tov/10);
1752                                 ret_cmd = true;
1753                         }
1754                         /* else FW return SP to driver */
1755                         break;
1756                 default:
1757                         ret_cmd = true;
1758                         break;
1759                 }
1760
1761                 spin_lock_irqsave(qp->qp_lock_ptr, *flags);
1762                 if (ret_cmd && blk_mq_request_started(cmd->request))
1763                         sp->done(sp, res);
1764         } else {
1765                 sp->done(sp, res);
1766         }
1767 }
1768
1769 /*
1770  * The caller must ensure that no completion interrupts will happen
1771  * while this function is in progress.
1772  */
1773 static void
1774 __qla2x00_abort_all_cmds(struct qla_qpair *qp, int res)
1775 {
1776         int cnt;
1777         unsigned long flags;
1778         srb_t *sp;
1779         scsi_qla_host_t *vha = qp->vha;
1780         struct qla_hw_data *ha = vha->hw;
1781         struct req_que *req;
1782         struct qla_tgt *tgt = vha->vha_tgt.qla_tgt;
1783         struct qla_tgt_cmd *cmd;
1784
1785         if (!ha->req_q_map)
1786                 return;
1787         spin_lock_irqsave(qp->qp_lock_ptr, flags);
1788         req = qp->req;
1789         for (cnt = 1; cnt < req->num_outstanding_cmds; cnt++) {
1790                 sp = req->outstanding_cmds[cnt];
1791                 if (sp) {
1792                         switch (sp->cmd_type) {
1793                         case TYPE_SRB:
1794                                 qla2x00_abort_srb(qp, sp, res, &flags);
1795                                 break;
1796                         case TYPE_TGT_CMD:
1797                                 if (!vha->hw->tgt.tgt_ops || !tgt ||
1798                                     qla_ini_mode_enabled(vha)) {
1799                                         ql_dbg(ql_dbg_tgt_mgt, vha, 0xf003,
1800                                             "HOST-ABORT-HNDLR: dpc_flags=%lx. Target mode disabled\n",
1801                                             vha->dpc_flags);
1802                                         continue;
1803                                 }
1804                                 cmd = (struct qla_tgt_cmd *)sp;
1805                                 cmd->aborted = 1;
1806                                 break;
1807                         case TYPE_TGT_TMCMD:
1808                                 /* Skip task management functions. */
1809                                 break;
1810                         default:
1811                                 break;
1812                         }
1813                         req->outstanding_cmds[cnt] = NULL;
1814                 }
1815         }
1816         spin_unlock_irqrestore(qp->qp_lock_ptr, flags);
1817 }
1818
1819 /*
1820  * The caller must ensure that no completion interrupts will happen
1821  * while this function is in progress.
1822  */
1823 void
1824 qla2x00_abort_all_cmds(scsi_qla_host_t *vha, int res)
1825 {
1826         int que;
1827         struct qla_hw_data *ha = vha->hw;
1828
1829         /* Continue only if initialization complete. */
1830         if (!ha->base_qpair)
1831                 return;
1832         __qla2x00_abort_all_cmds(ha->base_qpair, res);
1833
1834         if (!ha->queue_pair_map)
1835                 return;
1836         for (que = 0; que < ha->max_qpairs; que++) {
1837                 if (!ha->queue_pair_map[que])
1838                         continue;
1839
1840                 __qla2x00_abort_all_cmds(ha->queue_pair_map[que], res);
1841         }
1842 }
1843
1844 static int
1845 qla2xxx_slave_alloc(struct scsi_device *sdev)
1846 {
1847         struct fc_rport *rport = starget_to_rport(scsi_target(sdev));
1848
1849         if (!rport || fc_remote_port_chkready(rport))
1850                 return -ENXIO;
1851
1852         sdev->hostdata = *(fc_port_t **)rport->dd_data;
1853
1854         return 0;
1855 }
1856
1857 static int
1858 qla2xxx_slave_configure(struct scsi_device *sdev)
1859 {
1860         scsi_qla_host_t *vha = shost_priv(sdev->host);
1861         struct req_que *req = vha->req;
1862
1863         if (IS_T10_PI_CAPABLE(vha->hw))
1864                 blk_queue_update_dma_alignment(sdev->request_queue, 0x7);
1865
1866         scsi_change_queue_depth(sdev, req->max_q_depth);
1867         return 0;
1868 }
1869
1870 static void
1871 qla2xxx_slave_destroy(struct scsi_device *sdev)
1872 {
1873         sdev->hostdata = NULL;
1874 }
1875
1876 /**
1877  * qla2x00_config_dma_addressing() - Configure OS DMA addressing method.
1878  * @ha: HA context
1879  *
1880  * At exit, the @ha's flags.enable_64bit_addressing set to indicated
1881  * supported addressing method.
1882  */
1883 static void
1884 qla2x00_config_dma_addressing(struct qla_hw_data *ha)
1885 {
1886         /* Assume a 32bit DMA mask. */
1887         ha->flags.enable_64bit_addressing = 0;
1888
1889         if (!dma_set_mask(&ha->pdev->dev, DMA_BIT_MASK(64))) {
1890                 /* Any upper-dword bits set? */
1891                 if (MSD(dma_get_required_mask(&ha->pdev->dev)) &&
1892                     !dma_set_coherent_mask(&ha->pdev->dev, DMA_BIT_MASK(64))) {
1893                         /* Ok, a 64bit DMA mask is applicable. */
1894                         ha->flags.enable_64bit_addressing = 1;
1895                         ha->isp_ops->calc_req_entries = qla2x00_calc_iocbs_64;
1896                         ha->isp_ops->build_iocbs = qla2x00_build_scsi_iocbs_64;
1897                         return;
1898                 }
1899         }
1900
1901         dma_set_mask(&ha->pdev->dev, DMA_BIT_MASK(32));
1902         dma_set_coherent_mask(&ha->pdev->dev, DMA_BIT_MASK(32));
1903 }
1904
1905 static void
1906 qla2x00_enable_intrs(struct qla_hw_data *ha)
1907 {
1908         unsigned long flags = 0;
1909         struct device_reg_2xxx __iomem *reg = &ha->iobase->isp;
1910
1911         spin_lock_irqsave(&ha->hardware_lock, flags);
1912         ha->interrupts_on = 1;
1913         /* enable risc and host interrupts */
1914         wrt_reg_word(&reg->ictrl, ICR_EN_INT | ICR_EN_RISC);
1915         rd_reg_word(&reg->ictrl);
1916         spin_unlock_irqrestore(&ha->hardware_lock, flags);
1917
1918 }
1919
1920 static void
1921 qla2x00_disable_intrs(struct qla_hw_data *ha)
1922 {
1923         unsigned long flags = 0;
1924         struct device_reg_2xxx __iomem *reg = &ha->iobase->isp;
1925
1926         spin_lock_irqsave(&ha->hardware_lock, flags);
1927         ha->interrupts_on = 0;
1928         /* disable risc and host interrupts */
1929         wrt_reg_word(&reg->ictrl, 0);
1930         rd_reg_word(&reg->ictrl);
1931         spin_unlock_irqrestore(&ha->hardware_lock, flags);
1932 }
1933
1934 static void
1935 qla24xx_enable_intrs(struct qla_hw_data *ha)
1936 {
1937         unsigned long flags = 0;
1938         struct device_reg_24xx __iomem *reg = &ha->iobase->isp24;
1939
1940         spin_lock_irqsave(&ha->hardware_lock, flags);
1941         ha->interrupts_on = 1;
1942         wrt_reg_dword(&reg->ictrl, ICRX_EN_RISC_INT);
1943         rd_reg_dword(&reg->ictrl);
1944         spin_unlock_irqrestore(&ha->hardware_lock, flags);
1945 }
1946
1947 static void
1948 qla24xx_disable_intrs(struct qla_hw_data *ha)
1949 {
1950         unsigned long flags = 0;
1951         struct device_reg_24xx __iomem *reg = &ha->iobase->isp24;
1952
1953         if (IS_NOPOLLING_TYPE(ha))
1954                 return;
1955         spin_lock_irqsave(&ha->hardware_lock, flags);
1956         ha->interrupts_on = 0;
1957         wrt_reg_dword(&reg->ictrl, 0);
1958         rd_reg_dword(&reg->ictrl);
1959         spin_unlock_irqrestore(&ha->hardware_lock, flags);
1960 }
1961
1962 static int
1963 qla2x00_iospace_config(struct qla_hw_data *ha)
1964 {
1965         resource_size_t pio;
1966         uint16_t msix;
1967
1968         if (pci_request_selected_regions(ha->pdev, ha->bars,
1969             QLA2XXX_DRIVER_NAME)) {
1970                 ql_log_pci(ql_log_fatal, ha->pdev, 0x0011,
1971                     "Failed to reserve PIO/MMIO regions (%s), aborting.\n",
1972                     pci_name(ha->pdev));
1973                 goto iospace_error_exit;
1974         }
1975         if (!(ha->bars & 1))
1976                 goto skip_pio;
1977
1978         /* We only need PIO for Flash operations on ISP2312 v2 chips. */
1979         pio = pci_resource_start(ha->pdev, 0);
1980         if (pci_resource_flags(ha->pdev, 0) & IORESOURCE_IO) {
1981                 if (pci_resource_len(ha->pdev, 0) < MIN_IOBASE_LEN) {
1982                         ql_log_pci(ql_log_warn, ha->pdev, 0x0012,
1983                             "Invalid pci I/O region size (%s).\n",
1984                             pci_name(ha->pdev));
1985                         pio = 0;
1986                 }
1987         } else {
1988                 ql_log_pci(ql_log_warn, ha->pdev, 0x0013,
1989                     "Region #0 no a PIO resource (%s).\n",
1990                     pci_name(ha->pdev));
1991                 pio = 0;
1992         }
1993         ha->pio_address = pio;
1994         ql_dbg_pci(ql_dbg_init, ha->pdev, 0x0014,
1995             "PIO address=%llu.\n",
1996             (unsigned long long)ha->pio_address);
1997
1998 skip_pio:
1999         /* Use MMIO operations for all accesses. */
2000         if (!(pci_resource_flags(ha->pdev, 1) & IORESOURCE_MEM)) {
2001                 ql_log_pci(ql_log_fatal, ha->pdev, 0x0015,
2002                     "Region #1 not an MMIO resource (%s), aborting.\n",
2003                     pci_name(ha->pdev));
2004                 goto iospace_error_exit;
2005         }
2006         if (pci_resource_len(ha->pdev, 1) < MIN_IOBASE_LEN) {
2007                 ql_log_pci(ql_log_fatal, ha->pdev, 0x0016,
2008                     "Invalid PCI mem region size (%s), aborting.\n",
2009                     pci_name(ha->pdev));
2010                 goto iospace_error_exit;
2011         }
2012
2013         ha->iobase = ioremap(pci_resource_start(ha->pdev, 1), MIN_IOBASE_LEN);
2014         if (!ha->iobase) {
2015                 ql_log_pci(ql_log_fatal, ha->pdev, 0x0017,
2016                     "Cannot remap MMIO (%s), aborting.\n",
2017                     pci_name(ha->pdev));
2018                 goto iospace_error_exit;
2019         }
2020
2021         /* Determine queue resources */
2022         ha->max_req_queues = ha->max_rsp_queues = 1;
2023         ha->msix_count = QLA_BASE_VECTORS;
2024
2025         /* Check if FW supports MQ or not */
2026         if (!(ha->fw_attributes & BIT_6))
2027                 goto mqiobase_exit;
2028
2029         if (!ql2xmqsupport || !ql2xnvmeenable ||
2030             (!IS_QLA25XX(ha) && !IS_QLA81XX(ha)))
2031                 goto mqiobase_exit;
2032
2033         ha->mqiobase = ioremap(pci_resource_start(ha->pdev, 3),
2034                         pci_resource_len(ha->pdev, 3));
2035         if (ha->mqiobase) {
2036                 ql_dbg_pci(ql_dbg_init, ha->pdev, 0x0018,
2037                     "MQIO Base=%p.\n", ha->mqiobase);
2038                 /* Read MSIX vector size of the board */
2039                 pci_read_config_word(ha->pdev, QLA_PCI_MSIX_CONTROL, &msix);
2040                 ha->msix_count = msix + 1;
2041                 /* Max queues are bounded by available msix vectors */
2042                 /* MB interrupt uses 1 vector */
2043                 ha->max_req_queues = ha->msix_count - 1;
2044                 ha->max_rsp_queues = ha->max_req_queues;
2045                 /* Queue pairs is the max value minus the base queue pair */
2046                 ha->max_qpairs = ha->max_rsp_queues - 1;
2047                 ql_dbg_pci(ql_dbg_init, ha->pdev, 0x0188,
2048                     "Max no of queues pairs: %d.\n", ha->max_qpairs);
2049
2050                 ql_log_pci(ql_log_info, ha->pdev, 0x001a,
2051                     "MSI-X vector count: %d.\n", ha->msix_count);
2052         } else
2053                 ql_log_pci(ql_log_info, ha->pdev, 0x001b,
2054                     "BAR 3 not enabled.\n");
2055
2056 mqiobase_exit:
2057         ql_dbg_pci(ql_dbg_init, ha->pdev, 0x001c,
2058             "MSIX Count: %d.\n", ha->msix_count);
2059         return (0);
2060
2061 iospace_error_exit:
2062         return (-ENOMEM);
2063 }
2064
2065
2066 static int
2067 qla83xx_iospace_config(struct qla_hw_data *ha)
2068 {
2069         uint16_t msix;
2070
2071         if (pci_request_selected_regions(ha->pdev, ha->bars,
2072             QLA2XXX_DRIVER_NAME)) {
2073                 ql_log_pci(ql_log_fatal, ha->pdev, 0x0117,
2074                     "Failed to reserve PIO/MMIO regions (%s), aborting.\n",
2075                     pci_name(ha->pdev));
2076
2077                 goto iospace_error_exit;
2078         }
2079
2080         /* Use MMIO operations for all accesses. */
2081         if (!(pci_resource_flags(ha->pdev, 0) & IORESOURCE_MEM)) {
2082                 ql_log_pci(ql_log_warn, ha->pdev, 0x0118,
2083                     "Invalid pci I/O region size (%s).\n",
2084                     pci_name(ha->pdev));
2085                 goto iospace_error_exit;
2086         }
2087         if (pci_resource_len(ha->pdev, 0) < MIN_IOBASE_LEN) {
2088                 ql_log_pci(ql_log_warn, ha->pdev, 0x0119,
2089                     "Invalid PCI mem region size (%s), aborting\n",
2090                         pci_name(ha->pdev));
2091                 goto iospace_error_exit;
2092         }
2093
2094         ha->iobase = ioremap(pci_resource_start(ha->pdev, 0), MIN_IOBASE_LEN);
2095         if (!ha->iobase) {
2096                 ql_log_pci(ql_log_fatal, ha->pdev, 0x011a,
2097                     "Cannot remap MMIO (%s), aborting.\n",
2098                     pci_name(ha->pdev));
2099                 goto iospace_error_exit;
2100         }
2101
2102         /* 64bit PCI BAR - BAR2 will correspoond to region 4 */
2103         /* 83XX 26XX always use MQ type access for queues
2104          * - mbar 2, a.k.a region 4 */
2105         ha->max_req_queues = ha->max_rsp_queues = 1;
2106         ha->msix_count = QLA_BASE_VECTORS;
2107         ha->mqiobase = ioremap(pci_resource_start(ha->pdev, 4),
2108                         pci_resource_len(ha->pdev, 4));
2109
2110         if (!ha->mqiobase) {
2111                 ql_log_pci(ql_log_fatal, ha->pdev, 0x011d,
2112                     "BAR2/region4 not enabled\n");
2113                 goto mqiobase_exit;
2114         }
2115
2116         ha->msixbase = ioremap(pci_resource_start(ha->pdev, 2),
2117                         pci_resource_len(ha->pdev, 2));
2118         if (ha->msixbase) {
2119                 /* Read MSIX vector size of the board */
2120                 pci_read_config_word(ha->pdev,
2121                     QLA_83XX_PCI_MSIX_CONTROL, &msix);
2122                 ha->msix_count = (msix & PCI_MSIX_FLAGS_QSIZE)  + 1;
2123                 /*
2124                  * By default, driver uses at least two msix vectors
2125                  * (default & rspq)
2126                  */
2127                 if (ql2xmqsupport || ql2xnvmeenable) {
2128                         /* MB interrupt uses 1 vector */
2129                         ha->max_req_queues = ha->msix_count - 1;
2130
2131                         /* ATIOQ needs 1 vector. That's 1 less QPair */
2132                         if (QLA_TGT_MODE_ENABLED())
2133                                 ha->max_req_queues--;
2134
2135                         ha->max_rsp_queues = ha->max_req_queues;
2136
2137                         /* Queue pairs is the max value minus
2138                          * the base queue pair */
2139                         ha->max_qpairs = ha->max_req_queues - 1;
2140                         ql_dbg_pci(ql_dbg_init, ha->pdev, 0x00e3,
2141                             "Max no of queues pairs: %d.\n", ha->max_qpairs);
2142                 }
2143                 ql_log_pci(ql_log_info, ha->pdev, 0x011c,
2144                     "MSI-X vector count: %d.\n", ha->msix_count);
2145         } else
2146                 ql_log_pci(ql_log_info, ha->pdev, 0x011e,
2147                     "BAR 1 not enabled.\n");
2148
2149 mqiobase_exit:
2150         ql_dbg_pci(ql_dbg_init, ha->pdev, 0x011f,
2151             "MSIX Count: %d.\n", ha->msix_count);
2152         return 0;
2153
2154 iospace_error_exit:
2155         return -ENOMEM;
2156 }
2157
2158 static struct isp_operations qla2100_isp_ops = {
2159         .pci_config             = qla2100_pci_config,
2160         .reset_chip             = qla2x00_reset_chip,
2161         .chip_diag              = qla2x00_chip_diag,
2162         .config_rings           = qla2x00_config_rings,
2163         .reset_adapter          = qla2x00_reset_adapter,
2164         .nvram_config           = qla2x00_nvram_config,
2165         .update_fw_options      = qla2x00_update_fw_options,
2166         .load_risc              = qla2x00_load_risc,
2167         .pci_info_str           = qla2x00_pci_info_str,
2168         .fw_version_str         = qla2x00_fw_version_str,
2169         .intr_handler           = qla2100_intr_handler,
2170         .enable_intrs           = qla2x00_enable_intrs,
2171         .disable_intrs          = qla2x00_disable_intrs,
2172         .abort_command          = qla2x00_abort_command,
2173         .target_reset           = qla2x00_abort_target,
2174         .lun_reset              = qla2x00_lun_reset,
2175         .fabric_login           = qla2x00_login_fabric,
2176         .fabric_logout          = qla2x00_fabric_logout,
2177         .calc_req_entries       = qla2x00_calc_iocbs_32,
2178         .build_iocbs            = qla2x00_build_scsi_iocbs_32,
2179         .prep_ms_iocb           = qla2x00_prep_ms_iocb,
2180         .prep_ms_fdmi_iocb      = qla2x00_prep_ms_fdmi_iocb,
2181         .read_nvram             = qla2x00_read_nvram_data,
2182         .write_nvram            = qla2x00_write_nvram_data,
2183         .fw_dump                = qla2100_fw_dump,
2184         .beacon_on              = NULL,
2185         .beacon_off             = NULL,
2186         .beacon_blink           = NULL,
2187         .read_optrom            = qla2x00_read_optrom_data,
2188         .write_optrom           = qla2x00_write_optrom_data,
2189         .get_flash_version      = qla2x00_get_flash_version,
2190         .start_scsi             = qla2x00_start_scsi,
2191         .start_scsi_mq          = NULL,
2192         .abort_isp              = qla2x00_abort_isp,
2193         .iospace_config         = qla2x00_iospace_config,
2194         .initialize_adapter     = qla2x00_initialize_adapter,
2195 };
2196
2197 static struct isp_operations qla2300_isp_ops = {
2198         .pci_config             = qla2300_pci_config,
2199         .reset_chip             = qla2x00_reset_chip,
2200         .chip_diag              = qla2x00_chip_diag,
2201         .config_rings           = qla2x00_config_rings,
2202         .reset_adapter          = qla2x00_reset_adapter,
2203         .nvram_config           = qla2x00_nvram_config,
2204         .update_fw_options      = qla2x00_update_fw_options,
2205         .load_risc              = qla2x00_load_risc,
2206         .pci_info_str           = qla2x00_pci_info_str,
2207         .fw_version_str         = qla2x00_fw_version_str,
2208         .intr_handler           = qla2300_intr_handler,
2209         .enable_intrs           = qla2x00_enable_intrs,
2210         .disable_intrs          = qla2x00_disable_intrs,
2211         .abort_command          = qla2x00_abort_command,
2212         .target_reset           = qla2x00_abort_target,
2213         .lun_reset              = qla2x00_lun_reset,
2214         .fabric_login           = qla2x00_login_fabric,
2215         .fabric_logout          = qla2x00_fabric_logout,
2216         .calc_req_entries       = qla2x00_calc_iocbs_32,
2217         .build_iocbs            = qla2x00_build_scsi_iocbs_32,
2218         .prep_ms_iocb           = qla2x00_prep_ms_iocb,
2219         .prep_ms_fdmi_iocb      = qla2x00_prep_ms_fdmi_iocb,
2220         .read_nvram             = qla2x00_read_nvram_data,
2221         .write_nvram            = qla2x00_write_nvram_data,
2222         .fw_dump                = qla2300_fw_dump,
2223         .beacon_on              = qla2x00_beacon_on,
2224         .beacon_off             = qla2x00_beacon_off,
2225         .beacon_blink           = qla2x00_beacon_blink,
2226         .read_optrom            = qla2x00_read_optrom_data,
2227         .write_optrom           = qla2x00_write_optrom_data,
2228         .get_flash_version      = qla2x00_get_flash_version,
2229         .start_scsi             = qla2x00_start_scsi,
2230         .start_scsi_mq          = NULL,
2231         .abort_isp              = qla2x00_abort_isp,
2232         .iospace_config         = qla2x00_iospace_config,
2233         .initialize_adapter     = qla2x00_initialize_adapter,
2234 };
2235
2236 static struct isp_operations qla24xx_isp_ops = {
2237         .pci_config             = qla24xx_pci_config,
2238         .reset_chip             = qla24xx_reset_chip,
2239         .chip_diag              = qla24xx_chip_diag,
2240         .config_rings           = qla24xx_config_rings,
2241         .reset_adapter          = qla24xx_reset_adapter,
2242         .nvram_config           = qla24xx_nvram_config,
2243         .update_fw_options      = qla24xx_update_fw_options,
2244         .load_risc              = qla24xx_load_risc,
2245         .pci_info_str           = qla24xx_pci_info_str,
2246         .fw_version_str         = qla24xx_fw_version_str,
2247         .intr_handler           = qla24xx_intr_handler,
2248         .enable_intrs           = qla24xx_enable_intrs,
2249         .disable_intrs          = qla24xx_disable_intrs,
2250         .abort_command          = qla24xx_abort_command,
2251         .target_reset           = qla24xx_abort_target,
2252         .lun_reset              = qla24xx_lun_reset,
2253         .fabric_login           = qla24xx_login_fabric,
2254         .fabric_logout          = qla24xx_fabric_logout,
2255         .calc_req_entries       = NULL,
2256         .build_iocbs            = NULL,
2257         .prep_ms_iocb           = qla24xx_prep_ms_iocb,
2258         .prep_ms_fdmi_iocb      = qla24xx_prep_ms_fdmi_iocb,
2259         .read_nvram             = qla24xx_read_nvram_data,
2260         .write_nvram            = qla24xx_write_nvram_data,
2261         .fw_dump                = qla24xx_fw_dump,
2262         .beacon_on              = qla24xx_beacon_on,
2263         .beacon_off             = qla24xx_beacon_off,
2264         .beacon_blink           = qla24xx_beacon_blink,
2265         .read_optrom            = qla24xx_read_optrom_data,
2266         .write_optrom           = qla24xx_write_optrom_data,
2267         .get_flash_version      = qla24xx_get_flash_version,
2268         .start_scsi             = qla24xx_start_scsi,
2269         .start_scsi_mq          = NULL,
2270         .abort_isp              = qla2x00_abort_isp,
2271         .iospace_config         = qla2x00_iospace_config,
2272         .initialize_adapter     = qla2x00_initialize_adapter,
2273 };
2274
2275 static struct isp_operations qla25xx_isp_ops = {
2276         .pci_config             = qla25xx_pci_config,
2277         .reset_chip             = qla24xx_reset_chip,
2278         .chip_diag              = qla24xx_chip_diag,
2279         .config_rings           = qla24xx_config_rings,
2280         .reset_adapter          = qla24xx_reset_adapter,
2281         .nvram_config           = qla24xx_nvram_config,
2282         .update_fw_options      = qla24xx_update_fw_options,
2283         .load_risc              = qla24xx_load_risc,
2284         .pci_info_str           = qla24xx_pci_info_str,
2285         .fw_version_str         = qla24xx_fw_version_str,
2286         .intr_handler           = qla24xx_intr_handler,
2287         .enable_intrs           = qla24xx_enable_intrs,
2288         .disable_intrs          = qla24xx_disable_intrs,
2289         .abort_command          = qla24xx_abort_command,
2290         .target_reset           = qla24xx_abort_target,
2291         .lun_reset              = qla24xx_lun_reset,
2292         .fabric_login           = qla24xx_login_fabric,
2293         .fabric_logout          = qla24xx_fabric_logout,
2294         .calc_req_entries       = NULL,
2295         .build_iocbs            = NULL,
2296         .prep_ms_iocb           = qla24xx_prep_ms_iocb,
2297         .prep_ms_fdmi_iocb      = qla24xx_prep_ms_fdmi_iocb,
2298         .read_nvram             = qla25xx_read_nvram_data,
2299         .write_nvram            = qla25xx_write_nvram_data,
2300         .fw_dump                = qla25xx_fw_dump,
2301         .beacon_on              = qla24xx_beacon_on,
2302         .beacon_off             = qla24xx_beacon_off,
2303         .beacon_blink           = qla24xx_beacon_blink,
2304         .read_optrom            = qla25xx_read_optrom_data,
2305         .write_optrom           = qla24xx_write_optrom_data,
2306         .get_flash_version      = qla24xx_get_flash_version,
2307         .start_scsi             = qla24xx_dif_start_scsi,
2308         .start_scsi_mq          = qla2xxx_dif_start_scsi_mq,
2309         .abort_isp              = qla2x00_abort_isp,
2310         .iospace_config         = qla2x00_iospace_config,
2311         .initialize_adapter     = qla2x00_initialize_adapter,
2312 };
2313
2314 static struct isp_operations qla81xx_isp_ops = {
2315         .pci_config             = qla25xx_pci_config,
2316         .reset_chip             = qla24xx_reset_chip,
2317         .chip_diag              = qla24xx_chip_diag,
2318         .config_rings           = qla24xx_config_rings,
2319         .reset_adapter          = qla24xx_reset_adapter,
2320         .nvram_config           = qla81xx_nvram_config,
2321         .update_fw_options      = qla24xx_update_fw_options,
2322         .load_risc              = qla81xx_load_risc,
2323         .pci_info_str           = qla24xx_pci_info_str,
2324         .fw_version_str         = qla24xx_fw_version_str,
2325         .intr_handler           = qla24xx_intr_handler,
2326         .enable_intrs           = qla24xx_enable_intrs,
2327         .disable_intrs          = qla24xx_disable_intrs,
2328         .abort_command          = qla24xx_abort_command,
2329         .target_reset           = qla24xx_abort_target,
2330         .lun_reset              = qla24xx_lun_reset,
2331         .fabric_login           = qla24xx_login_fabric,
2332         .fabric_logout          = qla24xx_fabric_logout,
2333         .calc_req_entries       = NULL,
2334         .build_iocbs            = NULL,
2335         .prep_ms_iocb           = qla24xx_prep_ms_iocb,
2336         .prep_ms_fdmi_iocb      = qla24xx_prep_ms_fdmi_iocb,
2337         .read_nvram             = NULL,
2338         .write_nvram            = NULL,
2339         .fw_dump                = qla81xx_fw_dump,
2340         .beacon_on              = qla24xx_beacon_on,
2341         .beacon_off             = qla24xx_beacon_off,
2342         .beacon_blink           = qla83xx_beacon_blink,
2343         .read_optrom            = qla25xx_read_optrom_data,
2344         .write_optrom           = qla24xx_write_optrom_data,
2345         .get_flash_version      = qla24xx_get_flash_version,
2346         .start_scsi             = qla24xx_dif_start_scsi,
2347         .start_scsi_mq          = qla2xxx_dif_start_scsi_mq,
2348         .abort_isp              = qla2x00_abort_isp,
2349         .iospace_config         = qla2x00_iospace_config,
2350         .initialize_adapter     = qla2x00_initialize_adapter,
2351 };
2352
2353 static struct isp_operations qla82xx_isp_ops = {
2354         .pci_config             = qla82xx_pci_config,
2355         .reset_chip             = qla82xx_reset_chip,
2356         .chip_diag              = qla24xx_chip_diag,
2357         .config_rings           = qla82xx_config_rings,
2358         .reset_adapter          = qla24xx_reset_adapter,
2359         .nvram_config           = qla81xx_nvram_config,
2360         .update_fw_options      = qla24xx_update_fw_options,
2361         .load_risc              = qla82xx_load_risc,
2362         .pci_info_str           = qla24xx_pci_info_str,
2363         .fw_version_str         = qla24xx_fw_version_str,
2364         .intr_handler           = qla82xx_intr_handler,
2365         .enable_intrs           = qla82xx_enable_intrs,
2366         .disable_intrs          = qla82xx_disable_intrs,
2367         .abort_command          = qla24xx_abort_command,
2368         .target_reset           = qla24xx_abort_target,
2369         .lun_reset              = qla24xx_lun_reset,
2370         .fabric_login           = qla24xx_login_fabric,
2371         .fabric_logout          = qla24xx_fabric_logout,
2372         .calc_req_entries       = NULL,
2373         .build_iocbs            = NULL,
2374         .prep_ms_iocb           = qla24xx_prep_ms_iocb,
2375         .prep_ms_fdmi_iocb      = qla24xx_prep_ms_fdmi_iocb,
2376         .read_nvram             = qla24xx_read_nvram_data,
2377         .write_nvram            = qla24xx_write_nvram_data,
2378         .fw_dump                = qla82xx_fw_dump,
2379         .beacon_on              = qla82xx_beacon_on,
2380         .beacon_off             = qla82xx_beacon_off,
2381         .beacon_blink           = NULL,
2382         .read_optrom            = qla82xx_read_optrom_data,
2383         .write_optrom           = qla82xx_write_optrom_data,
2384         .get_flash_version      = qla82xx_get_flash_version,
2385         .start_scsi             = qla82xx_start_scsi,
2386         .start_scsi_mq          = NULL,
2387         .abort_isp              = qla82xx_abort_isp,
2388         .iospace_config         = qla82xx_iospace_config,
2389         .initialize_adapter     = qla2x00_initialize_adapter,
2390 };
2391
2392 static struct isp_operations qla8044_isp_ops = {
2393         .pci_config             = qla82xx_pci_config,
2394         .reset_chip             = qla82xx_reset_chip,
2395         .chip_diag              = qla24xx_chip_diag,
2396         .config_rings           = qla82xx_config_rings,
2397         .reset_adapter          = qla24xx_reset_adapter,
2398         .nvram_config           = qla81xx_nvram_config,
2399         .update_fw_options      = qla24xx_update_fw_options,
2400         .load_risc              = qla82xx_load_risc,
2401         .pci_info_str           = qla24xx_pci_info_str,
2402         .fw_version_str         = qla24xx_fw_version_str,
2403         .intr_handler           = qla8044_intr_handler,
2404         .enable_intrs           = qla82xx_enable_intrs,
2405         .disable_intrs          = qla82xx_disable_intrs,
2406         .abort_command          = qla24xx_abort_command,
2407         .target_reset           = qla24xx_abort_target,
2408         .lun_reset              = qla24xx_lun_reset,
2409         .fabric_login           = qla24xx_login_fabric,
2410         .fabric_logout          = qla24xx_fabric_logout,
2411         .calc_req_entries       = NULL,
2412         .build_iocbs            = NULL,
2413         .prep_ms_iocb           = qla24xx_prep_ms_iocb,
2414         .prep_ms_fdmi_iocb      = qla24xx_prep_ms_fdmi_iocb,
2415         .read_nvram             = NULL,
2416         .write_nvram            = NULL,
2417         .fw_dump                = qla8044_fw_dump,
2418         .beacon_on              = qla82xx_beacon_on,
2419         .beacon_off             = qla82xx_beacon_off,
2420         .beacon_blink           = NULL,
2421         .read_optrom            = qla8044_read_optrom_data,
2422         .write_optrom           = qla8044_write_optrom_data,
2423         .get_flash_version      = qla82xx_get_flash_version,
2424         .start_scsi             = qla82xx_start_scsi,
2425         .start_scsi_mq          = NULL,
2426         .abort_isp              = qla8044_abort_isp,
2427         .iospace_config         = qla82xx_iospace_config,
2428         .initialize_adapter     = qla2x00_initialize_adapter,
2429 };
2430
2431 static struct isp_operations qla83xx_isp_ops = {
2432         .pci_config             = qla25xx_pci_config,
2433         .reset_chip             = qla24xx_reset_chip,
2434         .chip_diag              = qla24xx_chip_diag,
2435         .config_rings           = qla24xx_config_rings,
2436         .reset_adapter          = qla24xx_reset_adapter,
2437         .nvram_config           = qla81xx_nvram_config,
2438         .update_fw_options      = qla24xx_update_fw_options,
2439         .load_risc              = qla81xx_load_risc,
2440         .pci_info_str           = qla24xx_pci_info_str,
2441         .fw_version_str         = qla24xx_fw_version_str,
2442         .intr_handler           = qla24xx_intr_handler,
2443         .enable_intrs           = qla24xx_enable_intrs,
2444         .disable_intrs          = qla24xx_disable_intrs,
2445         .abort_command          = qla24xx_abort_command,
2446         .target_reset           = qla24xx_abort_target,
2447         .lun_reset              = qla24xx_lun_reset,
2448         .fabric_login           = qla24xx_login_fabric,
2449         .fabric_logout          = qla24xx_fabric_logout,
2450         .calc_req_entries       = NULL,
2451         .build_iocbs            = NULL,
2452         .prep_ms_iocb           = qla24xx_prep_ms_iocb,
2453         .prep_ms_fdmi_iocb      = qla24xx_prep_ms_fdmi_iocb,
2454         .read_nvram             = NULL,
2455         .write_nvram            = NULL,
2456         .fw_dump                = qla83xx_fw_dump,
2457         .beacon_on              = qla24xx_beacon_on,
2458         .beacon_off             = qla24xx_beacon_off,
2459         .beacon_blink           = qla83xx_beacon_blink,
2460         .read_optrom            = qla25xx_read_optrom_data,
2461         .write_optrom           = qla24xx_write_optrom_data,
2462         .get_flash_version      = qla24xx_get_flash_version,
2463         .start_scsi             = qla24xx_dif_start_scsi,
2464         .start_scsi_mq          = qla2xxx_dif_start_scsi_mq,
2465         .abort_isp              = qla2x00_abort_isp,
2466         .iospace_config         = qla83xx_iospace_config,
2467         .initialize_adapter     = qla2x00_initialize_adapter,
2468 };
2469
2470 static struct isp_operations qlafx00_isp_ops = {
2471         .pci_config             = qlafx00_pci_config,
2472         .reset_chip             = qlafx00_soft_reset,
2473         .chip_diag              = qlafx00_chip_diag,
2474         .config_rings           = qlafx00_config_rings,
2475         .reset_adapter          = qlafx00_soft_reset,
2476         .nvram_config           = NULL,
2477         .update_fw_options      = NULL,
2478         .load_risc              = NULL,
2479         .pci_info_str           = qlafx00_pci_info_str,
2480         .fw_version_str         = qlafx00_fw_version_str,
2481         .intr_handler           = qlafx00_intr_handler,
2482         .enable_intrs           = qlafx00_enable_intrs,
2483         .disable_intrs          = qlafx00_disable_intrs,
2484         .abort_command          = qla24xx_async_abort_command,
2485         .target_reset           = qlafx00_abort_target,
2486         .lun_reset              = qlafx00_lun_reset,
2487         .fabric_login           = NULL,
2488         .fabric_logout          = NULL,
2489         .calc_req_entries       = NULL,
2490         .build_iocbs            = NULL,
2491         .prep_ms_iocb           = qla24xx_prep_ms_iocb,
2492         .prep_ms_fdmi_iocb      = qla24xx_prep_ms_fdmi_iocb,
2493         .read_nvram             = qla24xx_read_nvram_data,
2494         .write_nvram            = qla24xx_write_nvram_data,
2495         .fw_dump                = NULL,
2496         .beacon_on              = qla24xx_beacon_on,
2497         .beacon_off             = qla24xx_beacon_off,
2498         .beacon_blink           = NULL,
2499         .read_optrom            = qla24xx_read_optrom_data,
2500         .write_optrom           = qla24xx_write_optrom_data,
2501         .get_flash_version      = qla24xx_get_flash_version,
2502         .start_scsi             = qlafx00_start_scsi,
2503         .start_scsi_mq          = NULL,
2504         .abort_isp              = qlafx00_abort_isp,
2505         .iospace_config         = qlafx00_iospace_config,
2506         .initialize_adapter     = qlafx00_initialize_adapter,
2507 };
2508
2509 static struct isp_operations qla27xx_isp_ops = {
2510         .pci_config             = qla25xx_pci_config,
2511         .reset_chip             = qla24xx_reset_chip,
2512         .chip_diag              = qla24xx_chip_diag,
2513         .config_rings           = qla24xx_config_rings,
2514         .reset_adapter          = qla24xx_reset_adapter,
2515         .nvram_config           = qla81xx_nvram_config,
2516         .update_fw_options      = qla24xx_update_fw_options,
2517         .load_risc              = qla81xx_load_risc,
2518         .pci_info_str           = qla24xx_pci_info_str,
2519         .fw_version_str         = qla24xx_fw_version_str,
2520         .intr_handler           = qla24xx_intr_handler,
2521         .enable_intrs           = qla24xx_enable_intrs,
2522         .disable_intrs          = qla24xx_disable_intrs,
2523         .abort_command          = qla24xx_abort_command,
2524         .target_reset           = qla24xx_abort_target,
2525         .lun_reset              = qla24xx_lun_reset,
2526         .fabric_login           = qla24xx_login_fabric,
2527         .fabric_logout          = qla24xx_fabric_logout,
2528         .calc_req_entries       = NULL,
2529         .build_iocbs            = NULL,
2530         .prep_ms_iocb           = qla24xx_prep_ms_iocb,
2531         .prep_ms_fdmi_iocb      = qla24xx_prep_ms_fdmi_iocb,
2532         .read_nvram             = NULL,
2533         .write_nvram            = NULL,
2534         .fw_dump                = qla27xx_fwdump,
2535         .mpi_fw_dump            = qla27xx_mpi_fwdump,
2536         .beacon_on              = qla24xx_beacon_on,
2537         .beacon_off             = qla24xx_beacon_off,
2538         .beacon_blink           = qla83xx_beacon_blink,
2539         .read_optrom            = qla25xx_read_optrom_data,
2540         .write_optrom           = qla24xx_write_optrom_data,
2541         .get_flash_version      = qla24xx_get_flash_version,
2542         .start_scsi             = qla24xx_dif_start_scsi,
2543         .start_scsi_mq          = qla2xxx_dif_start_scsi_mq,
2544         .abort_isp              = qla2x00_abort_isp,
2545         .iospace_config         = qla83xx_iospace_config,
2546         .initialize_adapter     = qla2x00_initialize_adapter,
2547 };
2548
2549 static inline void
2550 qla2x00_set_isp_flags(struct qla_hw_data *ha)
2551 {
2552         ha->device_type = DT_EXTENDED_IDS;
2553         switch (ha->pdev->device) {
2554         case PCI_DEVICE_ID_QLOGIC_ISP2100:
2555                 ha->isp_type |= DT_ISP2100;
2556                 ha->device_type &= ~DT_EXTENDED_IDS;
2557                 ha->fw_srisc_address = RISC_START_ADDRESS_2100;
2558                 break;
2559         case PCI_DEVICE_ID_QLOGIC_ISP2200:
2560                 ha->isp_type |= DT_ISP2200;
2561                 ha->device_type &= ~DT_EXTENDED_IDS;
2562                 ha->fw_srisc_address = RISC_START_ADDRESS_2100;
2563                 break;
2564         case PCI_DEVICE_ID_QLOGIC_ISP2300:
2565                 ha->isp_type |= DT_ISP2300;
2566                 ha->device_type |= DT_ZIO_SUPPORTED;
2567                 ha->fw_srisc_address = RISC_START_ADDRESS_2300;
2568                 break;
2569         case PCI_DEVICE_ID_QLOGIC_ISP2312:
2570                 ha->isp_type |= DT_ISP2312;
2571                 ha->device_type |= DT_ZIO_SUPPORTED;
2572                 ha->fw_srisc_address = RISC_START_ADDRESS_2300;
2573                 break;
2574         case PCI_DEVICE_ID_QLOGIC_ISP2322:
2575                 ha->isp_type |= DT_ISP2322;
2576                 ha->device_type |= DT_ZIO_SUPPORTED;
2577                 if (ha->pdev->subsystem_vendor == 0x1028 &&
2578                     ha->pdev->subsystem_device == 0x0170)
2579                         ha->device_type |= DT_OEM_001;
2580                 ha->fw_srisc_address = RISC_START_ADDRESS_2300;
2581                 break;
2582         case PCI_DEVICE_ID_QLOGIC_ISP6312:
2583                 ha->isp_type |= DT_ISP6312;
2584                 ha->fw_srisc_address = RISC_START_ADDRESS_2300;
2585                 break;
2586         case PCI_DEVICE_ID_QLOGIC_ISP6322:
2587                 ha->isp_type |= DT_ISP6322;
2588                 ha->fw_srisc_address = RISC_START_ADDRESS_2300;
2589                 break;
2590         case PCI_DEVICE_ID_QLOGIC_ISP2422:
2591                 ha->isp_type |= DT_ISP2422;
2592                 ha->device_type |= DT_ZIO_SUPPORTED;
2593                 ha->device_type |= DT_FWI2;
2594                 ha->device_type |= DT_IIDMA;
2595                 ha->fw_srisc_address = RISC_START_ADDRESS_2400;
2596                 break;
2597         case PCI_DEVICE_ID_QLOGIC_ISP2432:
2598                 ha->isp_type |= DT_ISP2432;
2599                 ha->device_type |= DT_ZIO_SUPPORTED;
2600                 ha->device_type |= DT_FWI2;
2601                 ha->device_type |= DT_IIDMA;
2602                 ha->fw_srisc_address = RISC_START_ADDRESS_2400;
2603                 break;
2604         case PCI_DEVICE_ID_QLOGIC_ISP8432:
2605                 ha->isp_type |= DT_ISP8432;
2606                 ha->device_type |= DT_ZIO_SUPPORTED;
2607                 ha->device_type |= DT_FWI2;
2608                 ha->device_type |= DT_IIDMA;
2609                 ha->fw_srisc_address = RISC_START_ADDRESS_2400;
2610                 break;
2611         case PCI_DEVICE_ID_QLOGIC_ISP5422:
2612                 ha->isp_type |= DT_ISP5422;
2613                 ha->device_type |= DT_FWI2;
2614                 ha->fw_srisc_address = RISC_START_ADDRESS_2400;
2615                 break;
2616         case PCI_DEVICE_ID_QLOGIC_ISP5432:
2617                 ha->isp_type |= DT_ISP5432;
2618                 ha->device_type |= DT_FWI2;
2619                 ha->fw_srisc_address = RISC_START_ADDRESS_2400;
2620                 break;
2621         case PCI_DEVICE_ID_QLOGIC_ISP2532:
2622                 ha->isp_type |= DT_ISP2532;
2623                 ha->device_type |= DT_ZIO_SUPPORTED;
2624                 ha->device_type |= DT_FWI2;
2625                 ha->device_type |= DT_IIDMA;
2626                 ha->fw_srisc_address = RISC_START_ADDRESS_2400;
2627                 break;
2628         case PCI_DEVICE_ID_QLOGIC_ISP8001:
2629                 ha->isp_type |= DT_ISP8001;
2630                 ha->device_type |= DT_ZIO_SUPPORTED;
2631                 ha->device_type |= DT_FWI2;
2632                 ha->device_type |= DT_IIDMA;
2633                 ha->fw_srisc_address = RISC_START_ADDRESS_2400;
2634                 break;
2635         case PCI_DEVICE_ID_QLOGIC_ISP8021:
2636                 ha->isp_type |= DT_ISP8021;
2637                 ha->device_type |= DT_ZIO_SUPPORTED;
2638                 ha->device_type |= DT_FWI2;
2639                 ha->fw_srisc_address = RISC_START_ADDRESS_2400;
2640                 /* Initialize 82XX ISP flags */
2641                 qla82xx_init_flags(ha);
2642                 break;
2643          case PCI_DEVICE_ID_QLOGIC_ISP8044:
2644                 ha->isp_type |= DT_ISP8044;
2645                 ha->device_type |= DT_ZIO_SUPPORTED;
2646                 ha->device_type |= DT_FWI2;
2647                 ha->fw_srisc_address = RISC_START_ADDRESS_2400;
2648                 /* Initialize 82XX ISP flags */
2649                 qla82xx_init_flags(ha);
2650                 break;
2651         case PCI_DEVICE_ID_QLOGIC_ISP2031:
2652                 ha->isp_type |= DT_ISP2031;
2653                 ha->device_type |= DT_ZIO_SUPPORTED;
2654                 ha->device_type |= DT_FWI2;
2655                 ha->device_type |= DT_IIDMA;
2656                 ha->device_type |= DT_T10_PI;
2657                 ha->fw_srisc_address = RISC_START_ADDRESS_2400;
2658                 break;
2659         case PCI_DEVICE_ID_QLOGIC_ISP8031:
2660                 ha->isp_type |= DT_ISP8031;
2661                 ha->device_type |= DT_ZIO_SUPPORTED;
2662                 ha->device_type |= DT_FWI2;
2663                 ha->device_type |= DT_IIDMA;
2664                 ha->device_type |= DT_T10_PI;
2665                 ha->fw_srisc_address = RISC_START_ADDRESS_2400;
2666                 break;
2667         case PCI_DEVICE_ID_QLOGIC_ISPF001:
2668                 ha->isp_type |= DT_ISPFX00;
2669                 break;
2670         case PCI_DEVICE_ID_QLOGIC_ISP2071:
2671                 ha->isp_type |= DT_ISP2071;
2672                 ha->device_type |= DT_ZIO_SUPPORTED;
2673                 ha->device_type |= DT_FWI2;
2674                 ha->device_type |= DT_IIDMA;
2675                 ha->device_type |= DT_T10_PI;
2676                 ha->fw_srisc_address = RISC_START_ADDRESS_2400;
2677                 break;
2678         case PCI_DEVICE_ID_QLOGIC_ISP2271:
2679                 ha->isp_type |= DT_ISP2271;
2680                 ha->device_type |= DT_ZIO_SUPPORTED;
2681                 ha->device_type |= DT_FWI2;
2682                 ha->device_type |= DT_IIDMA;
2683                 ha->device_type |= DT_T10_PI;
2684                 ha->fw_srisc_address = RISC_START_ADDRESS_2400;
2685                 break;
2686         case PCI_DEVICE_ID_QLOGIC_ISP2261:
2687                 ha->isp_type |= DT_ISP2261;
2688                 ha->device_type |= DT_ZIO_SUPPORTED;
2689                 ha->device_type |= DT_FWI2;
2690                 ha->device_type |= DT_IIDMA;
2691                 ha->device_type |= DT_T10_PI;
2692                 ha->fw_srisc_address = RISC_START_ADDRESS_2400;
2693                 break;
2694         case PCI_DEVICE_ID_QLOGIC_ISP2081:
2695         case PCI_DEVICE_ID_QLOGIC_ISP2089:
2696                 ha->isp_type |= DT_ISP2081;
2697                 ha->device_type |= DT_ZIO_SUPPORTED;
2698                 ha->device_type |= DT_FWI2;
2699                 ha->device_type |= DT_IIDMA;
2700                 ha->device_type |= DT_T10_PI;
2701                 ha->fw_srisc_address = RISC_START_ADDRESS_2400;
2702                 break;
2703         case PCI_DEVICE_ID_QLOGIC_ISP2281:
2704         case PCI_DEVICE_ID_QLOGIC_ISP2289:
2705                 ha->isp_type |= DT_ISP2281;
2706                 ha->device_type |= DT_ZIO_SUPPORTED;
2707                 ha->device_type |= DT_FWI2;
2708                 ha->device_type |= DT_IIDMA;
2709                 ha->device_type |= DT_T10_PI;
2710                 ha->fw_srisc_address = RISC_START_ADDRESS_2400;
2711                 break;
2712         }
2713
2714         if (IS_QLA82XX(ha))
2715                 ha->port_no = ha->portnum & 1;
2716         else {
2717                 /* Get adapter physical port no from interrupt pin register. */
2718                 pci_read_config_byte(ha->pdev, PCI_INTERRUPT_PIN, &ha->port_no);
2719                 if (IS_QLA25XX(ha) || IS_QLA2031(ha) ||
2720                     IS_QLA27XX(ha) || IS_QLA28XX(ha))
2721                         ha->port_no--;
2722                 else
2723                         ha->port_no = !(ha->port_no & 1);
2724         }
2725
2726         ql_dbg_pci(ql_dbg_init, ha->pdev, 0x000b,
2727             "device_type=0x%x port=%d fw_srisc_address=0x%x.\n",
2728             ha->device_type, ha->port_no, ha->fw_srisc_address);
2729 }
2730
2731 static void
2732 qla2xxx_scan_start(struct Scsi_Host *shost)
2733 {
2734         scsi_qla_host_t *vha = shost_priv(shost);
2735
2736         if (vha->hw->flags.running_gold_fw)
2737                 return;
2738
2739         set_bit(LOOP_RESYNC_NEEDED, &vha->dpc_flags);
2740         set_bit(LOCAL_LOOP_UPDATE, &vha->dpc_flags);
2741         set_bit(RSCN_UPDATE, &vha->dpc_flags);
2742         set_bit(NPIV_CONFIG_NEEDED, &vha->dpc_flags);
2743 }
2744
2745 static int
2746 qla2xxx_scan_finished(struct Scsi_Host *shost, unsigned long time)
2747 {
2748         scsi_qla_host_t *vha = shost_priv(shost);
2749
2750         if (test_bit(UNLOADING, &vha->dpc_flags))
2751                 return 1;
2752         if (!vha->host)
2753                 return 1;
2754         if (time > vha->hw->loop_reset_delay * HZ)
2755                 return 1;
2756
2757         return atomic_read(&vha->loop_state) == LOOP_READY;
2758 }
2759
2760 static void qla2x00_iocb_work_fn(struct work_struct *work)
2761 {
2762         struct scsi_qla_host *vha = container_of(work,
2763                 struct scsi_qla_host, iocb_work);
2764         struct qla_hw_data *ha = vha->hw;
2765         struct scsi_qla_host *base_vha = pci_get_drvdata(ha->pdev);
2766         int i = 2;
2767         unsigned long flags;
2768
2769         if (test_bit(UNLOADING, &base_vha->dpc_flags))
2770                 return;
2771
2772         while (!list_empty(&vha->work_list) && i > 0) {
2773                 qla2x00_do_work(vha);
2774                 i--;
2775         }
2776
2777         spin_lock_irqsave(&vha->work_lock, flags);
2778         clear_bit(IOCB_WORK_ACTIVE, &vha->dpc_flags);
2779         spin_unlock_irqrestore(&vha->work_lock, flags);
2780 }
2781
2782 /*
2783  * PCI driver interface
2784  */
2785 static int
2786 qla2x00_probe_one(struct pci_dev *pdev, const struct pci_device_id *id)
2787 {
2788         int     ret = -ENODEV;
2789         struct Scsi_Host *host;
2790         scsi_qla_host_t *base_vha = NULL;
2791         struct qla_hw_data *ha;
2792         char pci_info[30];
2793         char fw_str[30], wq_name[30];
2794         struct scsi_host_template *sht;
2795         int bars, mem_only = 0;
2796         uint16_t req_length = 0, rsp_length = 0;
2797         struct req_que *req = NULL;
2798         struct rsp_que *rsp = NULL;
2799         int i;
2800
2801         bars = pci_select_bars(pdev, IORESOURCE_MEM | IORESOURCE_IO);
2802         sht = &qla2xxx_driver_template;
2803         if (pdev->device == PCI_DEVICE_ID_QLOGIC_ISP2422 ||
2804             pdev->device == PCI_DEVICE_ID_QLOGIC_ISP2432 ||
2805             pdev->device == PCI_DEVICE_ID_QLOGIC_ISP8432 ||
2806             pdev->device == PCI_DEVICE_ID_QLOGIC_ISP5422 ||
2807             pdev->device == PCI_DEVICE_ID_QLOGIC_ISP5432 ||
2808             pdev->device == PCI_DEVICE_ID_QLOGIC_ISP2532 ||
2809             pdev->device == PCI_DEVICE_ID_QLOGIC_ISP8001 ||
2810             pdev->device == PCI_DEVICE_ID_QLOGIC_ISP8021 ||
2811             pdev->device == PCI_DEVICE_ID_QLOGIC_ISP2031 ||
2812             pdev->device == PCI_DEVICE_ID_QLOGIC_ISP8031 ||
2813             pdev->device == PCI_DEVICE_ID_QLOGIC_ISPF001 ||
2814             pdev->device == PCI_DEVICE_ID_QLOGIC_ISP8044 ||
2815             pdev->device == PCI_DEVICE_ID_QLOGIC_ISP2071 ||
2816             pdev->device == PCI_DEVICE_ID_QLOGIC_ISP2271 ||
2817             pdev->device == PCI_DEVICE_ID_QLOGIC_ISP2261 ||
2818             pdev->device == PCI_DEVICE_ID_QLOGIC_ISP2081 ||
2819             pdev->device == PCI_DEVICE_ID_QLOGIC_ISP2281 ||
2820             pdev->device == PCI_DEVICE_ID_QLOGIC_ISP2089 ||
2821             pdev->device == PCI_DEVICE_ID_QLOGIC_ISP2289) {
2822                 bars = pci_select_bars(pdev, IORESOURCE_MEM);
2823                 mem_only = 1;
2824                 ql_dbg_pci(ql_dbg_init, pdev, 0x0007,
2825                     "Mem only adapter.\n");
2826         }
2827         ql_dbg_pci(ql_dbg_init, pdev, 0x0008,
2828             "Bars=%d.\n", bars);
2829
2830         if (mem_only) {
2831                 if (pci_enable_device_mem(pdev))
2832                         return ret;
2833         } else {
2834                 if (pci_enable_device(pdev))
2835                         return ret;
2836         }
2837
2838         /* This may fail but that's ok */
2839         pci_enable_pcie_error_reporting(pdev);
2840
2841         ha = kzalloc(sizeof(struct qla_hw_data), GFP_KERNEL);
2842         if (!ha) {
2843                 ql_log_pci(ql_log_fatal, pdev, 0x0009,
2844                     "Unable to allocate memory for ha.\n");
2845                 goto disable_device;
2846         }
2847         ql_dbg_pci(ql_dbg_init, pdev, 0x000a,
2848             "Memory allocated for ha=%p.\n", ha);
2849         ha->pdev = pdev;
2850         INIT_LIST_HEAD(&ha->tgt.q_full_list);
2851         spin_lock_init(&ha->tgt.q_full_lock);
2852         spin_lock_init(&ha->tgt.sess_lock);
2853         spin_lock_init(&ha->tgt.atio_lock);
2854
2855         atomic_set(&ha->nvme_active_aen_cnt, 0);
2856
2857         /* Clear our data area */
2858         ha->bars = bars;
2859         ha->mem_only = mem_only;
2860         spin_lock_init(&ha->hardware_lock);
2861         spin_lock_init(&ha->vport_slock);
2862         mutex_init(&ha->selflogin_lock);
2863         mutex_init(&ha->optrom_mutex);
2864
2865         /* Set ISP-type information. */
2866         qla2x00_set_isp_flags(ha);
2867
2868         /* Set EEH reset type to fundamental if required by hba */
2869         if (IS_QLA24XX(ha) || IS_QLA25XX(ha) || IS_QLA81XX(ha) ||
2870             IS_QLA83XX(ha) || IS_QLA27XX(ha) || IS_QLA28XX(ha))
2871                 pdev->needs_freset = 1;
2872
2873         ha->prev_topology = 0;
2874         ha->init_cb_size = sizeof(init_cb_t);
2875         ha->link_data_rate = PORT_SPEED_UNKNOWN;
2876         ha->optrom_size = OPTROM_SIZE_2300;
2877         ha->max_exchg = FW_MAX_EXCHANGES_CNT;
2878         atomic_set(&ha->num_pend_mbx_stage1, 0);
2879         atomic_set(&ha->num_pend_mbx_stage2, 0);
2880         atomic_set(&ha->num_pend_mbx_stage3, 0);
2881         atomic_set(&ha->zio_threshold, DEFAULT_ZIO_THRESHOLD);
2882         ha->last_zio_threshold = DEFAULT_ZIO_THRESHOLD;
2883
2884         /* Assign ISP specific operations. */
2885         if (IS_QLA2100(ha)) {
2886                 ha->max_fibre_devices = MAX_FIBRE_DEVICES_2100;
2887                 ha->mbx_count = MAILBOX_REGISTER_COUNT_2100;
2888                 req_length = REQUEST_ENTRY_CNT_2100;
2889                 rsp_length = RESPONSE_ENTRY_CNT_2100;
2890                 ha->max_loop_id = SNS_LAST_LOOP_ID_2100;
2891                 ha->gid_list_info_size = 4;
2892                 ha->flash_conf_off = ~0;
2893                 ha->flash_data_off = ~0;
2894                 ha->nvram_conf_off = ~0;
2895                 ha->nvram_data_off = ~0;
2896                 ha->isp_ops = &qla2100_isp_ops;
2897         } else if (IS_QLA2200(ha)) {
2898                 ha->max_fibre_devices = MAX_FIBRE_DEVICES_2100;
2899                 ha->mbx_count = MAILBOX_REGISTER_COUNT_2200;
2900                 req_length = REQUEST_ENTRY_CNT_2200;
2901                 rsp_length = RESPONSE_ENTRY_CNT_2100;
2902                 ha->max_loop_id = SNS_LAST_LOOP_ID_2100;
2903                 ha->gid_list_info_size = 4;
2904                 ha->flash_conf_off = ~0;
2905                 ha->flash_data_off = ~0;
2906                 ha->nvram_conf_off = ~0;
2907                 ha->nvram_data_off = ~0;
2908                 ha->isp_ops = &qla2100_isp_ops;
2909         } else if (IS_QLA23XX(ha)) {
2910                 ha->max_fibre_devices = MAX_FIBRE_DEVICES_2100;
2911                 ha->mbx_count = MAILBOX_REGISTER_COUNT;
2912                 req_length = REQUEST_ENTRY_CNT_2200;
2913                 rsp_length = RESPONSE_ENTRY_CNT_2300;
2914                 ha->max_loop_id = SNS_LAST_LOOP_ID_2300;
2915                 ha->gid_list_info_size = 6;
2916                 if (IS_QLA2322(ha) || IS_QLA6322(ha))
2917                         ha->optrom_size = OPTROM_SIZE_2322;
2918                 ha->flash_conf_off = ~0;
2919                 ha->flash_data_off = ~0;
2920                 ha->nvram_conf_off = ~0;
2921                 ha->nvram_data_off = ~0;
2922                 ha->isp_ops = &qla2300_isp_ops;
2923         } else if (IS_QLA24XX_TYPE(ha)) {
2924                 ha->max_fibre_devices = MAX_FIBRE_DEVICES_2400;
2925                 ha->mbx_count = MAILBOX_REGISTER_COUNT;
2926                 req_length = REQUEST_ENTRY_CNT_24XX;
2927                 rsp_length = RESPONSE_ENTRY_CNT_2300;
2928                 ha->tgt.atio_q_length = ATIO_ENTRY_CNT_24XX;
2929                 ha->max_loop_id = SNS_LAST_LOOP_ID_2300;
2930                 ha->init_cb_size = sizeof(struct mid_init_cb_24xx);
2931                 ha->gid_list_info_size = 8;
2932                 ha->optrom_size = OPTROM_SIZE_24XX;
2933                 ha->nvram_npiv_size = QLA_MAX_VPORTS_QLA24XX;
2934                 ha->isp_ops = &qla24xx_isp_ops;
2935                 ha->flash_conf_off = FARX_ACCESS_FLASH_CONF;
2936                 ha->flash_data_off = FARX_ACCESS_FLASH_DATA;
2937                 ha->nvram_conf_off = FARX_ACCESS_NVRAM_CONF;
2938                 ha->nvram_data_off = FARX_ACCESS_NVRAM_DATA;
2939         } else if (IS_QLA25XX(ha)) {
2940                 ha->max_fibre_devices = MAX_FIBRE_DEVICES_2400;
2941                 ha->mbx_count = MAILBOX_REGISTER_COUNT;
2942                 req_length = REQUEST_ENTRY_CNT_24XX;
2943                 rsp_length = RESPONSE_ENTRY_CNT_2300;
2944                 ha->tgt.atio_q_length = ATIO_ENTRY_CNT_24XX;
2945                 ha->max_loop_id = SNS_LAST_LOOP_ID_2300;
2946                 ha->init_cb_size = sizeof(struct mid_init_cb_24xx);
2947                 ha->gid_list_info_size = 8;
2948                 ha->optrom_size = OPTROM_SIZE_25XX;
2949                 ha->nvram_npiv_size = QLA_MAX_VPORTS_QLA25XX;
2950                 ha->isp_ops = &qla25xx_isp_ops;
2951                 ha->flash_conf_off = FARX_ACCESS_FLASH_CONF;
2952                 ha->flash_data_off = FARX_ACCESS_FLASH_DATA;
2953                 ha->nvram_conf_off = FARX_ACCESS_NVRAM_CONF;
2954                 ha->nvram_data_off = FARX_ACCESS_NVRAM_DATA;
2955         } else if (IS_QLA81XX(ha)) {
2956                 ha->max_fibre_devices = MAX_FIBRE_DEVICES_2400;
2957                 ha->mbx_count = MAILBOX_REGISTER_COUNT;
2958                 req_length = REQUEST_ENTRY_CNT_24XX;
2959                 rsp_length = RESPONSE_ENTRY_CNT_2300;
2960                 ha->tgt.atio_q_length = ATIO_ENTRY_CNT_24XX;
2961                 ha->max_loop_id = SNS_LAST_LOOP_ID_2300;
2962                 ha->init_cb_size = sizeof(struct mid_init_cb_81xx);
2963                 ha->gid_list_info_size = 8;
2964                 ha->optrom_size = OPTROM_SIZE_81XX;
2965                 ha->nvram_npiv_size = QLA_MAX_VPORTS_QLA25XX;
2966                 ha->isp_ops = &qla81xx_isp_ops;
2967                 ha->flash_conf_off = FARX_ACCESS_FLASH_CONF_81XX;
2968                 ha->flash_data_off = FARX_ACCESS_FLASH_DATA_81XX;
2969                 ha->nvram_conf_off = ~0;
2970                 ha->nvram_data_off = ~0;
2971         } else if (IS_QLA82XX(ha)) {
2972                 ha->max_fibre_devices = MAX_FIBRE_DEVICES_2400;
2973                 ha->mbx_count = MAILBOX_REGISTER_COUNT;
2974                 req_length = REQUEST_ENTRY_CNT_82XX;
2975                 rsp_length = RESPONSE_ENTRY_CNT_82XX;
2976                 ha->max_loop_id = SNS_LAST_LOOP_ID_2300;
2977                 ha->init_cb_size = sizeof(struct mid_init_cb_81xx);
2978                 ha->gid_list_info_size = 8;
2979                 ha->optrom_size = OPTROM_SIZE_82XX;
2980                 ha->nvram_npiv_size = QLA_MAX_VPORTS_QLA25XX;
2981                 ha->isp_ops = &qla82xx_isp_ops;
2982                 ha->flash_conf_off = FARX_ACCESS_FLASH_CONF;
2983                 ha->flash_data_off = FARX_ACCESS_FLASH_DATA;
2984                 ha->nvram_conf_off = FARX_ACCESS_NVRAM_CONF;
2985                 ha->nvram_data_off = FARX_ACCESS_NVRAM_DATA;
2986         } else if (IS_QLA8044(ha)) {
2987                 ha->max_fibre_devices = MAX_FIBRE_DEVICES_2400;
2988                 ha->mbx_count = MAILBOX_REGISTER_COUNT;
2989                 req_length = REQUEST_ENTRY_CNT_82XX;
2990                 rsp_length = RESPONSE_ENTRY_CNT_82XX;
2991                 ha->max_loop_id = SNS_LAST_LOOP_ID_2300;
2992                 ha->init_cb_size = sizeof(struct mid_init_cb_81xx);
2993                 ha->gid_list_info_size = 8;
2994                 ha->optrom_size = OPTROM_SIZE_83XX;
2995                 ha->nvram_npiv_size = QLA_MAX_VPORTS_QLA25XX;
2996                 ha->isp_ops = &qla8044_isp_ops;
2997                 ha->flash_conf_off = FARX_ACCESS_FLASH_CONF;
2998                 ha->flash_data_off = FARX_ACCESS_FLASH_DATA;
2999                 ha->nvram_conf_off = FARX_ACCESS_NVRAM_CONF;
3000                 ha->nvram_data_off = FARX_ACCESS_NVRAM_DATA;
3001         } else if (IS_QLA83XX(ha)) {
3002                 ha->portnum = PCI_FUNC(ha->pdev->devfn);
3003                 ha->max_fibre_devices = MAX_FIBRE_DEVICES_2400;
3004                 ha->mbx_count = MAILBOX_REGISTER_COUNT;
3005                 req_length = REQUEST_ENTRY_CNT_83XX;
3006                 rsp_length = RESPONSE_ENTRY_CNT_83XX;
3007                 ha->tgt.atio_q_length = ATIO_ENTRY_CNT_24XX;
3008                 ha->max_loop_id = SNS_LAST_LOOP_ID_2300;
3009                 ha->init_cb_size = sizeof(struct mid_init_cb_81xx);
3010                 ha->gid_list_info_size = 8;
3011                 ha->optrom_size = OPTROM_SIZE_83XX;
3012                 ha->nvram_npiv_size = QLA_MAX_VPORTS_QLA25XX;
3013                 ha->isp_ops = &qla83xx_isp_ops;
3014                 ha->flash_conf_off = FARX_ACCESS_FLASH_CONF_81XX;
3015                 ha->flash_data_off = FARX_ACCESS_FLASH_DATA_81XX;
3016                 ha->nvram_conf_off = ~0;
3017                 ha->nvram_data_off = ~0;
3018         }  else if (IS_QLAFX00(ha)) {
3019                 ha->max_fibre_devices = MAX_FIBRE_DEVICES_FX00;
3020                 ha->mbx_count = MAILBOX_REGISTER_COUNT_FX00;
3021                 ha->aen_mbx_count = AEN_MAILBOX_REGISTER_COUNT_FX00;
3022                 req_length = REQUEST_ENTRY_CNT_FX00;
3023                 rsp_length = RESPONSE_ENTRY_CNT_FX00;
3024                 ha->isp_ops = &qlafx00_isp_ops;
3025                 ha->port_down_retry_count = 30; /* default value */
3026                 ha->mr.fw_hbt_cnt = QLAFX00_HEARTBEAT_INTERVAL;
3027                 ha->mr.fw_reset_timer_tick = QLAFX00_RESET_INTERVAL;
3028                 ha->mr.fw_critemp_timer_tick = QLAFX00_CRITEMP_INTERVAL;
3029                 ha->mr.fw_hbt_en = 1;
3030                 ha->mr.host_info_resend = false;
3031                 ha->mr.hinfo_resend_timer_tick = QLAFX00_HINFO_RESEND_INTERVAL;
3032         } else if (IS_QLA27XX(ha)) {
3033                 ha->portnum = PCI_FUNC(ha->pdev->devfn);
3034                 ha->max_fibre_devices = MAX_FIBRE_DEVICES_2400;
3035                 ha->mbx_count = MAILBOX_REGISTER_COUNT;
3036                 req_length = REQUEST_ENTRY_CNT_83XX;
3037                 rsp_length = RESPONSE_ENTRY_CNT_83XX;
3038                 ha->tgt.atio_q_length = ATIO_ENTRY_CNT_24XX;
3039                 ha->max_loop_id = SNS_LAST_LOOP_ID_2300;
3040                 ha->init_cb_size = sizeof(struct mid_init_cb_81xx);
3041                 ha->gid_list_info_size = 8;
3042                 ha->optrom_size = OPTROM_SIZE_83XX;
3043                 ha->nvram_npiv_size = QLA_MAX_VPORTS_QLA25XX;
3044                 ha->isp_ops = &qla27xx_isp_ops;
3045                 ha->flash_conf_off = FARX_ACCESS_FLASH_CONF_81XX;
3046                 ha->flash_data_off = FARX_ACCESS_FLASH_DATA_81XX;
3047                 ha->nvram_conf_off = ~0;
3048                 ha->nvram_data_off = ~0;
3049         } else if (IS_QLA28XX(ha)) {
3050                 ha->portnum = PCI_FUNC(ha->pdev->devfn);
3051                 ha->max_fibre_devices = MAX_FIBRE_DEVICES_2400;
3052                 ha->mbx_count = MAILBOX_REGISTER_COUNT;
3053                 req_length = REQUEST_ENTRY_CNT_24XX;
3054                 rsp_length = RESPONSE_ENTRY_CNT_2300;
3055                 ha->tgt.atio_q_length = ATIO_ENTRY_CNT_24XX;
3056                 ha->max_loop_id = SNS_LAST_LOOP_ID_2300;
3057                 ha->init_cb_size = sizeof(struct mid_init_cb_81xx);
3058                 ha->gid_list_info_size = 8;
3059                 ha->optrom_size = OPTROM_SIZE_28XX;
3060                 ha->nvram_npiv_size = QLA_MAX_VPORTS_QLA25XX;
3061                 ha->isp_ops = &qla27xx_isp_ops;
3062                 ha->flash_conf_off = FARX_ACCESS_FLASH_CONF_28XX;
3063                 ha->flash_data_off = FARX_ACCESS_FLASH_DATA_28XX;
3064                 ha->nvram_conf_off = ~0;
3065                 ha->nvram_data_off = ~0;
3066         }
3067
3068         ql_dbg_pci(ql_dbg_init, pdev, 0x001e,
3069             "mbx_count=%d, req_length=%d, "
3070             "rsp_length=%d, max_loop_id=%d, init_cb_size=%d, "
3071             "gid_list_info_size=%d, optrom_size=%d, nvram_npiv_size=%d, "
3072             "max_fibre_devices=%d.\n",
3073             ha->mbx_count, req_length, rsp_length, ha->max_loop_id,
3074             ha->init_cb_size, ha->gid_list_info_size, ha->optrom_size,
3075             ha->nvram_npiv_size, ha->max_fibre_devices);
3076         ql_dbg_pci(ql_dbg_init, pdev, 0x001f,
3077             "isp_ops=%p, flash_conf_off=%d, "
3078             "flash_data_off=%d, nvram_conf_off=%d, nvram_data_off=%d.\n",
3079             ha->isp_ops, ha->flash_conf_off, ha->flash_data_off,
3080             ha->nvram_conf_off, ha->nvram_data_off);
3081
3082         /* Configure PCI I/O space */
3083         ret = ha->isp_ops->iospace_config(ha);
3084         if (ret)
3085                 goto iospace_config_failed;
3086
3087         ql_log_pci(ql_log_info, pdev, 0x001d,
3088             "Found an ISP%04X irq %d iobase 0x%p.\n",
3089             pdev->device, pdev->irq, ha->iobase);
3090         mutex_init(&ha->vport_lock);
3091         mutex_init(&ha->mq_lock);
3092         init_completion(&ha->mbx_cmd_comp);
3093         complete(&ha->mbx_cmd_comp);
3094         init_completion(&ha->mbx_intr_comp);
3095         init_completion(&ha->dcbx_comp);
3096         init_completion(&ha->lb_portup_comp);
3097
3098         set_bit(0, (unsigned long *) ha->vp_idx_map);
3099
3100         qla2x00_config_dma_addressing(ha);
3101         ql_dbg_pci(ql_dbg_init, pdev, 0x0020,
3102             "64 Bit addressing is %s.\n",
3103             ha->flags.enable_64bit_addressing ? "enable" :
3104             "disable");
3105         ret = qla2x00_mem_alloc(ha, req_length, rsp_length, &req, &rsp);
3106         if (ret) {
3107                 ql_log_pci(ql_log_fatal, pdev, 0x0031,
3108                     "Failed to allocate memory for adapter, aborting.\n");
3109
3110                 goto probe_hw_failed;
3111         }
3112
3113         req->max_q_depth = MAX_Q_DEPTH;
3114         if (ql2xmaxqdepth != 0 && ql2xmaxqdepth <= 0xffffU)
3115                 req->max_q_depth = ql2xmaxqdepth;
3116
3117
3118         base_vha = qla2x00_create_host(sht, ha);
3119         if (!base_vha) {
3120                 ret = -ENOMEM;
3121                 goto probe_hw_failed;
3122         }
3123
3124         pci_set_drvdata(pdev, base_vha);
3125         set_bit(PFLG_DRIVER_PROBING, &base_vha->pci_flags);
3126
3127         host = base_vha->host;
3128         base_vha->req = req;
3129         if (IS_QLA2XXX_MIDTYPE(ha))
3130                 base_vha->mgmt_svr_loop_id =
3131                         qla2x00_reserve_mgmt_server_loop_id(base_vha);
3132         else
3133                 base_vha->mgmt_svr_loop_id = MANAGEMENT_SERVER +
3134                                                 base_vha->vp_idx;
3135
3136         /* Setup fcport template structure. */
3137         ha->mr.fcport.vha = base_vha;
3138         ha->mr.fcport.port_type = FCT_UNKNOWN;
3139         ha->mr.fcport.loop_id = FC_NO_LOOP_ID;
3140         qla2x00_set_fcport_state(&ha->mr.fcport, FCS_UNCONFIGURED);
3141         ha->mr.fcport.supported_classes = FC_COS_UNSPECIFIED;
3142         ha->mr.fcport.scan_state = 1;
3143
3144         /* Set the SG table size based on ISP type */
3145         if (!IS_FWI2_CAPABLE(ha)) {
3146                 if (IS_QLA2100(ha))
3147                         host->sg_tablesize = 32;
3148         } else {
3149                 if (!IS_QLA82XX(ha))
3150                         host->sg_tablesize = QLA_SG_ALL;
3151         }
3152         host->max_id = ha->max_fibre_devices;
3153         host->cmd_per_lun = 3;
3154         host->unique_id = host->host_no;
3155         if (IS_T10_PI_CAPABLE(ha) && ql2xenabledif)
3156                 host->max_cmd_len = 32;
3157         else
3158                 host->max_cmd_len = MAX_CMDSZ;
3159         host->max_channel = MAX_BUSES - 1;
3160         /* Older HBAs support only 16-bit LUNs */
3161         if (!IS_QLAFX00(ha) && !IS_FWI2_CAPABLE(ha) &&
3162             ql2xmaxlun > 0xffff)
3163                 host->max_lun = 0xffff;
3164         else
3165                 host->max_lun = ql2xmaxlun;
3166         host->transportt = qla2xxx_transport_template;
3167         sht->vendor_id = (SCSI_NL_VID_TYPE_PCI | PCI_VENDOR_ID_QLOGIC);
3168
3169         ql_dbg(ql_dbg_init, base_vha, 0x0033,
3170             "max_id=%d this_id=%d "
3171             "cmd_per_len=%d unique_id=%d max_cmd_len=%d max_channel=%d "
3172             "max_lun=%llu transportt=%p, vendor_id=%llu.\n", host->max_id,
3173             host->this_id, host->cmd_per_lun, host->unique_id,
3174             host->max_cmd_len, host->max_channel, host->max_lun,
3175             host->transportt, sht->vendor_id);
3176
3177         INIT_WORK(&base_vha->iocb_work, qla2x00_iocb_work_fn);
3178
3179         /* Set up the irqs */
3180         ret = qla2x00_request_irqs(ha, rsp);
3181         if (ret)
3182                 goto probe_failed;
3183
3184         /* Alloc arrays of request and response ring ptrs */
3185         ret = qla2x00_alloc_queues(ha, req, rsp);
3186         if (ret) {
3187                 ql_log(ql_log_fatal, base_vha, 0x003d,
3188                     "Failed to allocate memory for queue pointers..."
3189                     "aborting.\n");
3190                 ret = -ENODEV;
3191                 goto probe_failed;
3192         }
3193
3194         if (ha->mqenable) {
3195                 /* number of hardware queues supported by blk/scsi-mq*/
3196                 host->nr_hw_queues = ha->max_qpairs;
3197
3198                 ql_dbg(ql_dbg_init, base_vha, 0x0192,
3199                         "blk/scsi-mq enabled, HW queues = %d.\n", host->nr_hw_queues);
3200         } else {
3201                 if (ql2xnvmeenable) {
3202                         host->nr_hw_queues = ha->max_qpairs;
3203                         ql_dbg(ql_dbg_init, base_vha, 0x0194,
3204                             "FC-NVMe support is enabled, HW queues=%d\n",
3205                             host->nr_hw_queues);
3206                 } else {
3207                         ql_dbg(ql_dbg_init, base_vha, 0x0193,
3208                             "blk/scsi-mq disabled.\n");
3209                 }
3210         }
3211
3212         qlt_probe_one_stage1(base_vha, ha);
3213
3214         pci_save_state(pdev);
3215
3216         /* Assign back pointers */
3217         rsp->req = req;
3218         req->rsp = rsp;
3219
3220         if (IS_QLAFX00(ha)) {
3221                 ha->rsp_q_map[0] = rsp;
3222                 ha->req_q_map[0] = req;
3223                 set_bit(0, ha->req_qid_map);
3224                 set_bit(0, ha->rsp_qid_map);
3225         }
3226
3227         /* FWI2-capable only. */
3228         req->req_q_in = &ha->iobase->isp24.req_q_in;
3229         req->req_q_out = &ha->iobase->isp24.req_q_out;
3230         rsp->rsp_q_in = &ha->iobase->isp24.rsp_q_in;
3231         rsp->rsp_q_out = &ha->iobase->isp24.rsp_q_out;
3232         if (ha->mqenable || IS_QLA83XX(ha) || IS_QLA27XX(ha) ||
3233             IS_QLA28XX(ha)) {
3234                 req->req_q_in = &ha->mqiobase->isp25mq.req_q_in;
3235                 req->req_q_out = &ha->mqiobase->isp25mq.req_q_out;
3236                 rsp->rsp_q_in = &ha->mqiobase->isp25mq.rsp_q_in;
3237                 rsp->rsp_q_out =  &ha->mqiobase->isp25mq.rsp_q_out;
3238         }
3239
3240         if (IS_QLAFX00(ha)) {
3241                 req->req_q_in = &ha->iobase->ispfx00.req_q_in;
3242                 req->req_q_out = &ha->iobase->ispfx00.req_q_out;
3243                 rsp->rsp_q_in = &ha->iobase->ispfx00.rsp_q_in;
3244                 rsp->rsp_q_out = &ha->iobase->ispfx00.rsp_q_out;
3245         }
3246
3247         if (IS_P3P_TYPE(ha)) {
3248                 req->req_q_out = &ha->iobase->isp82.req_q_out[0];
3249                 rsp->rsp_q_in = &ha->iobase->isp82.rsp_q_in[0];
3250                 rsp->rsp_q_out = &ha->iobase->isp82.rsp_q_out[0];
3251         }
3252
3253         ql_dbg(ql_dbg_multiq, base_vha, 0xc009,
3254             "rsp_q_map=%p req_q_map=%p rsp->req=%p req->rsp=%p.\n",
3255             ha->rsp_q_map, ha->req_q_map, rsp->req, req->rsp);
3256         ql_dbg(ql_dbg_multiq, base_vha, 0xc00a,
3257             "req->req_q_in=%p req->req_q_out=%p "
3258             "rsp->rsp_q_in=%p rsp->rsp_q_out=%p.\n",
3259             req->req_q_in, req->req_q_out,
3260             rsp->rsp_q_in, rsp->rsp_q_out);
3261         ql_dbg(ql_dbg_init, base_vha, 0x003e,
3262             "rsp_q_map=%p req_q_map=%p rsp->req=%p req->rsp=%p.\n",
3263             ha->rsp_q_map, ha->req_q_map, rsp->req, req->rsp);
3264         ql_dbg(ql_dbg_init, base_vha, 0x003f,
3265             "req->req_q_in=%p req->req_q_out=%p rsp->rsp_q_in=%p rsp->rsp_q_out=%p.\n",
3266             req->req_q_in, req->req_q_out, rsp->rsp_q_in, rsp->rsp_q_out);
3267
3268         ha->wq = alloc_workqueue("qla2xxx_wq", 0, 0);
3269         if (unlikely(!ha->wq)) {
3270                 ret = -ENOMEM;
3271                 goto probe_failed;
3272         }
3273
3274         if (ha->isp_ops->initialize_adapter(base_vha)) {
3275                 ql_log(ql_log_fatal, base_vha, 0x00d6,
3276                     "Failed to initialize adapter - Adapter flags %x.\n",
3277                     base_vha->device_flags);
3278
3279                 if (IS_QLA82XX(ha)) {
3280                         qla82xx_idc_lock(ha);
3281                         qla82xx_wr_32(ha, QLA82XX_CRB_DEV_STATE,
3282                                 QLA8XXX_DEV_FAILED);
3283                         qla82xx_idc_unlock(ha);
3284                         ql_log(ql_log_fatal, base_vha, 0x00d7,
3285                             "HW State: FAILED.\n");
3286                 } else if (IS_QLA8044(ha)) {
3287                         qla8044_idc_lock(ha);
3288                         qla8044_wr_direct(base_vha,
3289                                 QLA8044_CRB_DEV_STATE_INDEX,
3290                                 QLA8XXX_DEV_FAILED);
3291                         qla8044_idc_unlock(ha);
3292                         ql_log(ql_log_fatal, base_vha, 0x0150,
3293                             "HW State: FAILED.\n");
3294                 }
3295
3296                 ret = -ENODEV;
3297                 goto probe_failed;
3298         }
3299
3300         if (IS_QLAFX00(ha))
3301                 host->can_queue = QLAFX00_MAX_CANQUEUE;
3302         else
3303                 host->can_queue = req->num_outstanding_cmds - 10;
3304
3305         ql_dbg(ql_dbg_init, base_vha, 0x0032,
3306             "can_queue=%d, req=%p, mgmt_svr_loop_id=%d, sg_tablesize=%d.\n",
3307             host->can_queue, base_vha->req,
3308             base_vha->mgmt_svr_loop_id, host->sg_tablesize);
3309
3310         if (ha->mqenable) {
3311                 bool startit = false;
3312
3313                 if (QLA_TGT_MODE_ENABLED())
3314                         startit = false;
3315
3316                 if (ql2x_ini_mode == QLA2XXX_INI_MODE_ENABLED)
3317                         startit = true;
3318
3319                 /* Create start of day qpairs for Block MQ */
3320                 for (i = 0; i < ha->max_qpairs; i++)
3321                         qla2xxx_create_qpair(base_vha, 5, 0, startit);
3322         }
3323         qla_init_iocb_limit(base_vha);
3324
3325         if (ha->flags.running_gold_fw)
3326                 goto skip_dpc;
3327
3328         /*
3329          * Startup the kernel thread for this host adapter
3330          */
3331         ha->dpc_thread = kthread_create(qla2x00_do_dpc, ha,
3332             "%s_dpc", base_vha->host_str);
3333         if (IS_ERR(ha->dpc_thread)) {
3334                 ql_log(ql_log_fatal, base_vha, 0x00ed,
3335                     "Failed to start DPC thread.\n");
3336                 ret = PTR_ERR(ha->dpc_thread);
3337                 ha->dpc_thread = NULL;
3338                 goto probe_failed;
3339         }
3340         ql_dbg(ql_dbg_init, base_vha, 0x00ee,
3341             "DPC thread started successfully.\n");
3342
3343         /*
3344          * If we're not coming up in initiator mode, we might sit for
3345          * a while without waking up the dpc thread, which leads to a
3346          * stuck process warning.  So just kick the dpc once here and
3347          * let the kthread start (and go back to sleep in qla2x00_do_dpc).
3348          */
3349         qla2xxx_wake_dpc(base_vha);
3350
3351         INIT_WORK(&ha->board_disable, qla2x00_disable_board_on_pci_error);
3352
3353         if (IS_QLA8031(ha) || IS_MCTP_CAPABLE(ha)) {
3354                 sprintf(wq_name, "qla2xxx_%lu_dpc_lp_wq", base_vha->host_no);
3355                 ha->dpc_lp_wq = create_singlethread_workqueue(wq_name);
3356                 INIT_WORK(&ha->idc_aen, qla83xx_service_idc_aen);
3357
3358                 sprintf(wq_name, "qla2xxx_%lu_dpc_hp_wq", base_vha->host_no);
3359                 ha->dpc_hp_wq = create_singlethread_workqueue(wq_name);
3360                 INIT_WORK(&ha->nic_core_reset, qla83xx_nic_core_reset_work);
3361                 INIT_WORK(&ha->idc_state_handler,
3362                     qla83xx_idc_state_handler_work);
3363                 INIT_WORK(&ha->nic_core_unrecoverable,
3364                     qla83xx_nic_core_unrecoverable_work);
3365         }
3366
3367 skip_dpc:
3368         list_add_tail(&base_vha->list, &ha->vp_list);
3369         base_vha->host->irq = ha->pdev->irq;
3370
3371         /* Initialized the timer */
3372         qla2x00_start_timer(base_vha, WATCH_INTERVAL);
3373         ql_dbg(ql_dbg_init, base_vha, 0x00ef,
3374             "Started qla2x00_timer with "
3375             "interval=%d.\n", WATCH_INTERVAL);
3376         ql_dbg(ql_dbg_init, base_vha, 0x00f0,
3377             "Detected hba at address=%p.\n",
3378             ha);
3379
3380         if (IS_T10_PI_CAPABLE(ha) && ql2xenabledif) {
3381                 if (ha->fw_attributes & BIT_4) {
3382                         int prot = 0, guard;
3383
3384                         base_vha->flags.difdix_supported = 1;
3385                         ql_dbg(ql_dbg_init, base_vha, 0x00f1,
3386                             "Registering for DIF/DIX type 1 and 3 protection.\n");
3387                         if (ql2xenabledif == 1)
3388                                 prot = SHOST_DIX_TYPE0_PROTECTION;
3389                         if (ql2xprotmask)
3390                                 scsi_host_set_prot(host, ql2xprotmask);
3391                         else
3392                                 scsi_host_set_prot(host,
3393                                     prot | SHOST_DIF_TYPE1_PROTECTION
3394                                     | SHOST_DIF_TYPE2_PROTECTION
3395                                     | SHOST_DIF_TYPE3_PROTECTION
3396                                     | SHOST_DIX_TYPE1_PROTECTION
3397                                     | SHOST_DIX_TYPE2_PROTECTION
3398                                     | SHOST_DIX_TYPE3_PROTECTION);
3399
3400                         guard = SHOST_DIX_GUARD_CRC;
3401
3402                         if (IS_PI_IPGUARD_CAPABLE(ha) &&
3403                             (ql2xenabledif > 1 || IS_PI_DIFB_DIX0_CAPABLE(ha)))
3404                                 guard |= SHOST_DIX_GUARD_IP;
3405
3406                         if (ql2xprotguard)
3407                                 scsi_host_set_guard(host, ql2xprotguard);
3408                         else
3409                                 scsi_host_set_guard(host, guard);
3410                 } else
3411                         base_vha->flags.difdix_supported = 0;
3412         }
3413
3414         ha->isp_ops->enable_intrs(ha);
3415
3416         if (IS_QLAFX00(ha)) {
3417                 ret = qlafx00_fx_disc(base_vha,
3418                         &base_vha->hw->mr.fcport, FXDISC_GET_CONFIG_INFO);
3419                 host->sg_tablesize = (ha->mr.extended_io_enabled) ?
3420                     QLA_SG_ALL : 128;
3421         }
3422
3423         ret = scsi_add_host(host, &pdev->dev);
3424         if (ret)
3425                 goto probe_failed;
3426
3427         base_vha->flags.init_done = 1;
3428         base_vha->flags.online = 1;
3429         ha->prev_minidump_failed = 0;
3430
3431         ql_dbg(ql_dbg_init, base_vha, 0x00f2,
3432             "Init done and hba is online.\n");
3433
3434         if (qla_ini_mode_enabled(base_vha) ||
3435                 qla_dual_mode_enabled(base_vha))
3436                 scsi_scan_host(host);
3437         else
3438                 ql_dbg(ql_dbg_init, base_vha, 0x0122,
3439                         "skipping scsi_scan_host() for non-initiator port\n");
3440
3441         qla2x00_alloc_sysfs_attr(base_vha);
3442
3443         if (IS_QLAFX00(ha)) {
3444                 ret = qlafx00_fx_disc(base_vha,
3445                         &base_vha->hw->mr.fcport, FXDISC_GET_PORT_INFO);
3446
3447                 /* Register system information */
3448                 ret =  qlafx00_fx_disc(base_vha,
3449                         &base_vha->hw->mr.fcport, FXDISC_REG_HOST_INFO);
3450         }
3451
3452         qla2x00_init_host_attr(base_vha);
3453
3454         qla2x00_dfs_setup(base_vha);
3455
3456         ql_log(ql_log_info, base_vha, 0x00fb,
3457             "QLogic %s - %s.\n", ha->model_number, ha->model_desc);
3458         ql_log(ql_log_info, base_vha, 0x00fc,
3459             "ISP%04X: %s @ %s hdma%c host#=%ld fw=%s.\n",
3460             pdev->device, ha->isp_ops->pci_info_str(base_vha, pci_info,
3461                                                        sizeof(pci_info)),
3462             pci_name(pdev), ha->flags.enable_64bit_addressing ? '+' : '-',
3463             base_vha->host_no,
3464             ha->isp_ops->fw_version_str(base_vha, fw_str, sizeof(fw_str)));
3465
3466         qlt_add_target(ha, base_vha);
3467
3468         clear_bit(PFLG_DRIVER_PROBING, &base_vha->pci_flags);
3469
3470         if (test_bit(UNLOADING, &base_vha->dpc_flags))
3471                 return -ENODEV;
3472
3473         return 0;
3474
3475 probe_failed:
3476         if (base_vha->gnl.l) {
3477                 dma_free_coherent(&ha->pdev->dev, base_vha->gnl.size,
3478                                 base_vha->gnl.l, base_vha->gnl.ldma);
3479                 base_vha->gnl.l = NULL;
3480         }
3481
3482         if (base_vha->timer_active)
3483                 qla2x00_stop_timer(base_vha);
3484         base_vha->flags.online = 0;
3485         if (ha->dpc_thread) {
3486                 struct task_struct *t = ha->dpc_thread;
3487
3488                 ha->dpc_thread = NULL;
3489                 kthread_stop(t);
3490         }
3491
3492         qla2x00_free_device(base_vha);
3493         scsi_host_put(base_vha->host);
3494         /*
3495          * Need to NULL out local req/rsp after
3496          * qla2x00_free_device => qla2x00_free_queues frees
3497          * what these are pointing to. Or else we'll
3498          * fall over below in qla2x00_free_req/rsp_que.
3499          */
3500         req = NULL;
3501         rsp = NULL;
3502
3503 probe_hw_failed:
3504         qla2x00_mem_free(ha);
3505         qla2x00_free_req_que(ha, req);
3506         qla2x00_free_rsp_que(ha, rsp);
3507         qla2x00_clear_drv_active(ha);
3508
3509 iospace_config_failed:
3510         if (IS_P3P_TYPE(ha)) {
3511                 if (!ha->nx_pcibase)
3512                         iounmap((device_reg_t *)ha->nx_pcibase);
3513                 if (!ql2xdbwr)
3514                         iounmap((device_reg_t *)ha->nxdb_wr_ptr);
3515         } else {
3516                 if (ha->iobase)
3517                         iounmap(ha->iobase);
3518                 if (ha->cregbase)
3519                         iounmap(ha->cregbase);
3520         }
3521         pci_release_selected_regions(ha->pdev, ha->bars);
3522         kfree(ha);
3523
3524 disable_device:
3525         pci_disable_device(pdev);
3526         return ret;
3527 }
3528
3529 static void __qla_set_remove_flag(scsi_qla_host_t *base_vha)
3530 {
3531         scsi_qla_host_t *vp;
3532         unsigned long flags;
3533         struct qla_hw_data *ha;
3534
3535         if (!base_vha)
3536                 return;
3537
3538         ha = base_vha->hw;
3539
3540         spin_lock_irqsave(&ha->vport_slock, flags);
3541         list_for_each_entry(vp, &ha->vp_list, list)
3542                 set_bit(PFLG_DRIVER_REMOVING, &vp->pci_flags);
3543
3544         /*
3545          * Indicate device removal to prevent future board_disable
3546          * and wait until any pending board_disable has completed.
3547          */
3548         set_bit(PFLG_DRIVER_REMOVING, &base_vha->pci_flags);
3549         spin_unlock_irqrestore(&ha->vport_slock, flags);
3550 }
3551
3552 static void
3553 qla2x00_shutdown(struct pci_dev *pdev)
3554 {
3555         scsi_qla_host_t *vha;
3556         struct qla_hw_data  *ha;
3557
3558         vha = pci_get_drvdata(pdev);
3559         ha = vha->hw;
3560
3561         ql_log(ql_log_info, vha, 0xfffa,
3562                 "Adapter shutdown\n");
3563
3564         /*
3565          * Prevent future board_disable and wait
3566          * until any pending board_disable has completed.
3567          */
3568         __qla_set_remove_flag(vha);
3569         cancel_work_sync(&ha->board_disable);
3570
3571         if (!atomic_read(&pdev->enable_cnt))
3572                 return;
3573
3574         /* Notify ISPFX00 firmware */
3575         if (IS_QLAFX00(ha))
3576                 qlafx00_driver_shutdown(vha, 20);
3577
3578         /* Turn-off FCE trace */
3579         if (ha->flags.fce_enabled) {
3580                 qla2x00_disable_fce_trace(vha, NULL, NULL);
3581                 ha->flags.fce_enabled = 0;
3582         }
3583
3584         /* Turn-off EFT trace */
3585         if (ha->eft)
3586                 qla2x00_disable_eft_trace(vha);
3587
3588         if (IS_QLA25XX(ha) ||  IS_QLA2031(ha) || IS_QLA27XX(ha) ||
3589             IS_QLA28XX(ha)) {
3590                 if (ha->flags.fw_started)
3591                         qla2x00_abort_isp_cleanup(vha);
3592         } else {
3593                 /* Stop currently executing firmware. */
3594                 qla2x00_try_to_stop_firmware(vha);
3595         }
3596
3597         /* Disable timer */
3598         if (vha->timer_active)
3599                 qla2x00_stop_timer(vha);
3600
3601         /* Turn adapter off line */
3602         vha->flags.online = 0;
3603
3604         /* turn-off interrupts on the card */
3605         if (ha->interrupts_on) {
3606                 vha->flags.init_done = 0;
3607                 ha->isp_ops->disable_intrs(ha);
3608         }
3609
3610         qla2x00_free_irqs(vha);
3611
3612         qla2x00_free_fw_dump(ha);
3613
3614         pci_disable_device(pdev);
3615         ql_log(ql_log_info, vha, 0xfffe,
3616                 "Adapter shutdown successfully.\n");
3617 }
3618
3619 /* Deletes all the virtual ports for a given ha */
3620 static void
3621 qla2x00_delete_all_vps(struct qla_hw_data *ha, scsi_qla_host_t *base_vha)
3622 {
3623         scsi_qla_host_t *vha;
3624         unsigned long flags;
3625
3626         mutex_lock(&ha->vport_lock);
3627         while (ha->cur_vport_count) {
3628                 spin_lock_irqsave(&ha->vport_slock, flags);
3629
3630                 BUG_ON(base_vha->list.next == &ha->vp_list);
3631                 /* This assumes first entry in ha->vp_list is always base vha */
3632                 vha = list_first_entry(&base_vha->list, scsi_qla_host_t, list);
3633                 scsi_host_get(vha->host);
3634
3635                 spin_unlock_irqrestore(&ha->vport_slock, flags);
3636                 mutex_unlock(&ha->vport_lock);
3637
3638                 qla_nvme_delete(vha);
3639
3640                 fc_vport_terminate(vha->fc_vport);
3641                 scsi_host_put(vha->host);
3642
3643                 mutex_lock(&ha->vport_lock);
3644         }
3645         mutex_unlock(&ha->vport_lock);
3646 }
3647
3648 /* Stops all deferred work threads */
3649 static void
3650 qla2x00_destroy_deferred_work(struct qla_hw_data *ha)
3651 {
3652         /* Cancel all work and destroy DPC workqueues */
3653         if (ha->dpc_lp_wq) {
3654                 cancel_work_sync(&ha->idc_aen);
3655                 destroy_workqueue(ha->dpc_lp_wq);
3656                 ha->dpc_lp_wq = NULL;
3657         }
3658
3659         if (ha->dpc_hp_wq) {
3660                 cancel_work_sync(&ha->nic_core_reset);
3661                 cancel_work_sync(&ha->idc_state_handler);
3662                 cancel_work_sync(&ha->nic_core_unrecoverable);
3663                 destroy_workqueue(ha->dpc_hp_wq);
3664                 ha->dpc_hp_wq = NULL;
3665         }
3666
3667         /* Kill the kernel thread for this host */
3668         if (ha->dpc_thread) {
3669                 struct task_struct *t = ha->dpc_thread;
3670
3671                 /*
3672                  * qla2xxx_wake_dpc checks for ->dpc_thread
3673                  * so we need to zero it out.
3674                  */
3675                 ha->dpc_thread = NULL;
3676                 kthread_stop(t);
3677         }
3678 }
3679
3680 static void
3681 qla2x00_unmap_iobases(struct qla_hw_data *ha)
3682 {
3683         if (IS_QLA82XX(ha)) {
3684
3685                 iounmap((device_reg_t *)ha->nx_pcibase);
3686                 if (!ql2xdbwr)
3687                         iounmap((device_reg_t *)ha->nxdb_wr_ptr);
3688         } else {
3689                 if (ha->iobase)
3690                         iounmap(ha->iobase);
3691
3692                 if (ha->cregbase)
3693                         iounmap(ha->cregbase);
3694
3695                 if (ha->mqiobase)
3696                         iounmap(ha->mqiobase);
3697
3698                 if ((IS_QLA83XX(ha) || IS_QLA27XX(ha) || IS_QLA28XX(ha)) &&
3699                     ha->msixbase)
3700                         iounmap(ha->msixbase);
3701         }
3702 }
3703
3704 static void
3705 qla2x00_clear_drv_active(struct qla_hw_data *ha)
3706 {
3707         if (IS_QLA8044(ha)) {
3708                 qla8044_idc_lock(ha);
3709                 qla8044_clear_drv_active(ha);
3710                 qla8044_idc_unlock(ha);
3711         } else if (IS_QLA82XX(ha)) {
3712                 qla82xx_idc_lock(ha);
3713                 qla82xx_clear_drv_active(ha);
3714                 qla82xx_idc_unlock(ha);
3715         }
3716 }
3717
3718 static void
3719 qla2x00_remove_one(struct pci_dev *pdev)
3720 {
3721         scsi_qla_host_t *base_vha;
3722         struct qla_hw_data  *ha;
3723
3724         base_vha = pci_get_drvdata(pdev);
3725         ha = base_vha->hw;
3726         ql_log(ql_log_info, base_vha, 0xb079,
3727             "Removing driver\n");
3728         __qla_set_remove_flag(base_vha);
3729         cancel_work_sync(&ha->board_disable);
3730
3731         /*
3732          * If the PCI device is disabled then there was a PCI-disconnect and
3733          * qla2x00_disable_board_on_pci_error has taken care of most of the
3734          * resources.
3735          */
3736         if (!atomic_read(&pdev->enable_cnt)) {
3737                 dma_free_coherent(&ha->pdev->dev, base_vha->gnl.size,
3738                     base_vha->gnl.l, base_vha->gnl.ldma);
3739                 base_vha->gnl.l = NULL;
3740                 scsi_host_put(base_vha->host);
3741                 kfree(ha);
3742                 pci_set_drvdata(pdev, NULL);
3743                 return;
3744         }
3745         qla2x00_wait_for_hba_ready(base_vha);
3746
3747         /*
3748          * if UNLOADING flag is already set, then continue unload,
3749          * where it was set first.
3750          */
3751         if (test_and_set_bit(UNLOADING, &base_vha->dpc_flags))
3752                 return;
3753
3754         if (IS_QLA25XX(ha) || IS_QLA2031(ha) || IS_QLA27XX(ha) ||
3755             IS_QLA28XX(ha)) {
3756                 if (ha->flags.fw_started)
3757                         qla2x00_abort_isp_cleanup(base_vha);
3758         } else if (!IS_QLAFX00(ha)) {
3759                 if (IS_QLA8031(ha)) {
3760                         ql_dbg(ql_dbg_p3p, base_vha, 0xb07e,
3761                             "Clearing fcoe driver presence.\n");
3762                         if (qla83xx_clear_drv_presence(base_vha) != QLA_SUCCESS)
3763                                 ql_dbg(ql_dbg_p3p, base_vha, 0xb079,
3764                                     "Error while clearing DRV-Presence.\n");
3765                 }
3766
3767                 qla2x00_try_to_stop_firmware(base_vha);
3768         }
3769
3770         qla2x00_wait_for_sess_deletion(base_vha);
3771
3772         qla_nvme_delete(base_vha);
3773
3774         dma_free_coherent(&ha->pdev->dev,
3775                 base_vha->gnl.size, base_vha->gnl.l, base_vha->gnl.ldma);
3776
3777         base_vha->gnl.l = NULL;
3778
3779         vfree(base_vha->scan.l);
3780
3781         if (IS_QLAFX00(ha))
3782                 qlafx00_driver_shutdown(base_vha, 20);
3783
3784         qla2x00_delete_all_vps(ha, base_vha);
3785
3786         qla2x00_dfs_remove(base_vha);
3787
3788         qla84xx_put_chip(base_vha);
3789
3790         /* Disable timer */
3791         if (base_vha->timer_active)
3792                 qla2x00_stop_timer(base_vha);
3793
3794         base_vha->flags.online = 0;
3795
3796         /* free DMA memory */
3797         if (ha->exlogin_buf)
3798                 qla2x00_free_exlogin_buffer(ha);
3799
3800         /* free DMA memory */
3801         if (ha->exchoffld_buf)
3802                 qla2x00_free_exchoffld_buffer(ha);
3803
3804         qla2x00_destroy_deferred_work(ha);
3805
3806         qlt_remove_target(ha, base_vha);
3807
3808         qla2x00_free_sysfs_attr(base_vha, true);
3809
3810         fc_remove_host(base_vha->host);
3811         qlt_remove_target_resources(ha);
3812
3813         scsi_remove_host(base_vha->host);
3814
3815         qla2x00_free_device(base_vha);
3816
3817         qla2x00_clear_drv_active(ha);
3818
3819         scsi_host_put(base_vha->host);
3820
3821         qla2x00_unmap_iobases(ha);
3822
3823         pci_release_selected_regions(ha->pdev, ha->bars);
3824         kfree(ha);
3825
3826         pci_disable_pcie_error_reporting(pdev);
3827
3828         pci_disable_device(pdev);
3829 }
3830
3831 static inline void
3832 qla24xx_free_purex_list(struct purex_list *list)
3833 {
3834         struct list_head *item, *next;
3835         ulong flags;
3836
3837         spin_lock_irqsave(&list->lock, flags);
3838         list_for_each_safe(item, next, &list->head) {
3839                 list_del(item);
3840                 kfree(list_entry(item, struct purex_item, list));
3841         }
3842         spin_unlock_irqrestore(&list->lock, flags);
3843 }
3844
3845 static void
3846 qla2x00_free_device(scsi_qla_host_t *vha)
3847 {
3848         struct qla_hw_data *ha = vha->hw;
3849
3850         qla2x00_abort_all_cmds(vha, DID_NO_CONNECT << 16);
3851
3852         /* Disable timer */
3853         if (vha->timer_active)
3854                 qla2x00_stop_timer(vha);
3855
3856         qla25xx_delete_queues(vha);
3857         vha->flags.online = 0;
3858
3859         /* turn-off interrupts on the card */
3860         if (ha->interrupts_on) {
3861                 vha->flags.init_done = 0;
3862                 ha->isp_ops->disable_intrs(ha);
3863         }
3864
3865         qla2x00_free_fcports(vha);
3866
3867         qla2x00_free_irqs(vha);
3868
3869         /* Flush the work queue and remove it */
3870         if (ha->wq) {
3871                 flush_workqueue(ha->wq);
3872                 destroy_workqueue(ha->wq);
3873                 ha->wq = NULL;
3874         }
3875
3876
3877         qla24xx_free_purex_list(&vha->purex_list);
3878
3879         qla2x00_mem_free(ha);
3880
3881         qla82xx_md_free(vha);
3882
3883         qla2x00_free_queues(ha);
3884 }
3885
3886 void qla2x00_free_fcports(struct scsi_qla_host *vha)
3887 {
3888         fc_port_t *fcport, *tfcport;
3889
3890         list_for_each_entry_safe(fcport, tfcport, &vha->vp_fcports, list)
3891                 qla2x00_free_fcport(fcport);
3892 }
3893
3894 static inline void
3895 qla2x00_schedule_rport_del(struct scsi_qla_host *vha, fc_port_t *fcport)
3896 {
3897         int now;
3898
3899         if (!fcport->rport)
3900                 return;
3901
3902         if (fcport->rport) {
3903                 ql_dbg(ql_dbg_disc, fcport->vha, 0x2109,
3904                     "%s %8phN. rport %p roles %x\n",
3905                     __func__, fcport->port_name, fcport->rport,
3906                     fcport->rport->roles);
3907                 fc_remote_port_delete(fcport->rport);
3908         }
3909         qlt_do_generation_tick(vha, &now);
3910 }
3911
3912 /*
3913  * qla2x00_mark_device_lost Updates fcport state when device goes offline.
3914  *
3915  * Input: ha = adapter block pointer.  fcport = port structure pointer.
3916  *
3917  * Return: None.
3918  *
3919  * Context:
3920  */
3921 void qla2x00_mark_device_lost(scsi_qla_host_t *vha, fc_port_t *fcport,
3922     int do_login)
3923 {
3924         if (IS_QLAFX00(vha->hw)) {
3925                 qla2x00_set_fcport_state(fcport, FCS_DEVICE_LOST);
3926                 qla2x00_schedule_rport_del(vha, fcport);
3927                 return;
3928         }
3929
3930         if (atomic_read(&fcport->state) == FCS_ONLINE &&
3931             vha->vp_idx == fcport->vha->vp_idx) {
3932                 qla2x00_set_fcport_state(fcport, FCS_DEVICE_LOST);
3933                 qla2x00_schedule_rport_del(vha, fcport);
3934         }
3935         /*
3936          * We may need to retry the login, so don't change the state of the
3937          * port but do the retries.
3938          */
3939         if (atomic_read(&fcport->state) != FCS_DEVICE_DEAD)
3940                 qla2x00_set_fcport_state(fcport, FCS_DEVICE_LOST);
3941
3942         if (!do_login)
3943                 return;
3944
3945         set_bit(RELOGIN_NEEDED, &vha->dpc_flags);
3946 }
3947
3948 void
3949 qla2x00_mark_all_devices_lost(scsi_qla_host_t *vha)
3950 {
3951         fc_port_t *fcport;
3952
3953         ql_dbg(ql_dbg_disc, vha, 0x20f1,
3954             "Mark all dev lost\n");
3955
3956         list_for_each_entry(fcport, &vha->vp_fcports, list) {
3957                 fcport->scan_state = 0;
3958                 qlt_schedule_sess_for_deletion(fcport);
3959         }
3960 }
3961
3962 static void qla2x00_set_reserved_loop_ids(struct qla_hw_data *ha)
3963 {
3964         int i;
3965
3966         if (IS_FWI2_CAPABLE(ha))
3967                 return;
3968
3969         for (i = 0; i < SNS_FIRST_LOOP_ID; i++)
3970                 set_bit(i, ha->loop_id_map);
3971         set_bit(MANAGEMENT_SERVER, ha->loop_id_map);
3972         set_bit(BROADCAST, ha->loop_id_map);
3973 }
3974
3975 /*
3976 * qla2x00_mem_alloc
3977 *      Allocates adapter memory.
3978 *
3979 * Returns:
3980 *      0  = success.
3981 *      !0  = failure.
3982 */
3983 static int
3984 qla2x00_mem_alloc(struct qla_hw_data *ha, uint16_t req_len, uint16_t rsp_len,
3985         struct req_que **req, struct rsp_que **rsp)
3986 {
3987         char    name[16];
3988
3989         ha->init_cb = dma_alloc_coherent(&ha->pdev->dev, ha->init_cb_size,
3990                 &ha->init_cb_dma, GFP_KERNEL);
3991         if (!ha->init_cb)
3992                 goto fail;
3993
3994         if (qlt_mem_alloc(ha) < 0)
3995                 goto fail_free_init_cb;
3996
3997         ha->gid_list = dma_alloc_coherent(&ha->pdev->dev,
3998                 qla2x00_gid_list_size(ha), &ha->gid_list_dma, GFP_KERNEL);
3999         if (!ha->gid_list)
4000                 goto fail_free_tgt_mem;
4001
4002         ha->srb_mempool = mempool_create_slab_pool(SRB_MIN_REQ, srb_cachep);
4003         if (!ha->srb_mempool)
4004                 goto fail_free_gid_list;
4005
4006         if (IS_P3P_TYPE(ha)) {
4007                 /* Allocate cache for CT6 Ctx. */
4008                 if (!ctx_cachep) {
4009                         ctx_cachep = kmem_cache_create("qla2xxx_ctx",
4010                                 sizeof(struct ct6_dsd), 0,
4011                                 SLAB_HWCACHE_ALIGN, NULL);
4012                         if (!ctx_cachep)
4013                                 goto fail_free_srb_mempool;
4014                 }
4015                 ha->ctx_mempool = mempool_create_slab_pool(SRB_MIN_REQ,
4016                         ctx_cachep);
4017                 if (!ha->ctx_mempool)
4018                         goto fail_free_srb_mempool;
4019                 ql_dbg_pci(ql_dbg_init, ha->pdev, 0x0021,
4020                     "ctx_cachep=%p ctx_mempool=%p.\n",
4021                     ctx_cachep, ha->ctx_mempool);
4022         }
4023
4024         /* Get memory for cached NVRAM */
4025         ha->nvram = kzalloc(MAX_NVRAM_SIZE, GFP_KERNEL);
4026         if (!ha->nvram)
4027                 goto fail_free_ctx_mempool;
4028
4029         snprintf(name, sizeof(name), "%s_%d", QLA2XXX_DRIVER_NAME,
4030                 ha->pdev->device);
4031         ha->s_dma_pool = dma_pool_create(name, &ha->pdev->dev,
4032                 DMA_POOL_SIZE, 8, 0);
4033         if (!ha->s_dma_pool)
4034                 goto fail_free_nvram;
4035
4036         ql_dbg_pci(ql_dbg_init, ha->pdev, 0x0022,
4037             "init_cb=%p gid_list=%p, srb_mempool=%p s_dma_pool=%p.\n",
4038             ha->init_cb, ha->gid_list, ha->srb_mempool, ha->s_dma_pool);
4039
4040         if (IS_P3P_TYPE(ha) || ql2xenabledif) {
4041                 ha->dl_dma_pool = dma_pool_create(name, &ha->pdev->dev,
4042                         DSD_LIST_DMA_POOL_SIZE, 8, 0);
4043                 if (!ha->dl_dma_pool) {
4044                         ql_log_pci(ql_log_fatal, ha->pdev, 0x0023,
4045                             "Failed to allocate memory for dl_dma_pool.\n");
4046                         goto fail_s_dma_pool;
4047                 }
4048
4049                 ha->fcp_cmnd_dma_pool = dma_pool_create(name, &ha->pdev->dev,
4050                         FCP_CMND_DMA_POOL_SIZE, 8, 0);
4051                 if (!ha->fcp_cmnd_dma_pool) {
4052                         ql_log_pci(ql_log_fatal, ha->pdev, 0x0024,
4053                             "Failed to allocate memory for fcp_cmnd_dma_pool.\n");
4054                         goto fail_dl_dma_pool;
4055                 }
4056
4057                 if (ql2xenabledif) {
4058                         u64 bufsize = DIF_BUNDLING_DMA_POOL_SIZE;
4059                         struct dsd_dma *dsd, *nxt;
4060                         uint i;
4061                         /* Creata a DMA pool of buffers for DIF bundling */
4062                         ha->dif_bundl_pool = dma_pool_create(name,
4063                             &ha->pdev->dev, DIF_BUNDLING_DMA_POOL_SIZE, 8, 0);
4064                         if (!ha->dif_bundl_pool) {
4065                                 ql_dbg_pci(ql_dbg_init, ha->pdev, 0x0024,
4066                                     "%s: failed create dif_bundl_pool\n",
4067                                     __func__);
4068                                 goto fail_dif_bundl_dma_pool;
4069                         }
4070
4071                         INIT_LIST_HEAD(&ha->pool.good.head);
4072                         INIT_LIST_HEAD(&ha->pool.unusable.head);
4073                         ha->pool.good.count = 0;
4074                         ha->pool.unusable.count = 0;
4075                         for (i = 0; i < 128; i++) {
4076                                 dsd = kzalloc(sizeof(*dsd), GFP_ATOMIC);
4077                                 if (!dsd) {
4078                                         ql_dbg_pci(ql_dbg_init, ha->pdev,
4079                                             0xe0ee, "%s: failed alloc dsd\n",
4080                                             __func__);
4081                                         return 1;
4082                                 }
4083                                 ha->dif_bundle_kallocs++;
4084
4085                                 dsd->dsd_addr = dma_pool_alloc(
4086                                     ha->dif_bundl_pool, GFP_ATOMIC,
4087                                     &dsd->dsd_list_dma);
4088                                 if (!dsd->dsd_addr) {
4089                                         ql_dbg_pci(ql_dbg_init, ha->pdev,
4090                                             0xe0ee,
4091                                             "%s: failed alloc ->dsd_addr\n",
4092                                             __func__);
4093                                         kfree(dsd);
4094                                         ha->dif_bundle_kallocs--;
4095                                         continue;
4096                                 }
4097                                 ha->dif_bundle_dma_allocs++;
4098
4099                                 /*
4100                                  * if DMA buffer crosses 4G boundary,
4101                                  * put it on bad list
4102                                  */
4103                                 if (MSD(dsd->dsd_list_dma) ^
4104                                     MSD(dsd->dsd_list_dma + bufsize)) {
4105                                         list_add_tail(&dsd->list,
4106                                             &ha->pool.unusable.head);
4107                                         ha->pool.unusable.count++;
4108                                 } else {
4109                                         list_add_tail(&dsd->list,
4110                                             &ha->pool.good.head);
4111                                         ha->pool.good.count++;
4112                                 }
4113                         }
4114
4115                         /* return the good ones back to the pool */
4116                         list_for_each_entry_safe(dsd, nxt,
4117                             &ha->pool.good.head, list) {
4118                                 list_del(&dsd->list);
4119                                 dma_pool_free(ha->dif_bundl_pool,
4120                                     dsd->dsd_addr, dsd->dsd_list_dma);
4121                                 ha->dif_bundle_dma_allocs--;
4122                                 kfree(dsd);
4123                                 ha->dif_bundle_kallocs--;
4124                         }
4125
4126                         ql_dbg_pci(ql_dbg_init, ha->pdev, 0x0024,
4127                             "%s: dif dma pool (good=%u unusable=%u)\n",
4128                             __func__, ha->pool.good.count,
4129                             ha->pool.unusable.count);
4130                 }
4131
4132                 ql_dbg_pci(ql_dbg_init, ha->pdev, 0x0025,
4133                     "dl_dma_pool=%p fcp_cmnd_dma_pool=%p dif_bundl_pool=%p.\n",
4134                     ha->dl_dma_pool, ha->fcp_cmnd_dma_pool,
4135                     ha->dif_bundl_pool);
4136         }
4137
4138         /* Allocate memory for SNS commands */
4139         if (IS_QLA2100(ha) || IS_QLA2200(ha)) {
4140         /* Get consistent memory allocated for SNS commands */
4141                 ha->sns_cmd = dma_alloc_coherent(&ha->pdev->dev,
4142                 sizeof(struct sns_cmd_pkt), &ha->sns_cmd_dma, GFP_KERNEL);
4143                 if (!ha->sns_cmd)
4144                         goto fail_dma_pool;
4145                 ql_dbg_pci(ql_dbg_init, ha->pdev, 0x0026,
4146                     "sns_cmd: %p.\n", ha->sns_cmd);
4147         } else {
4148         /* Get consistent memory allocated for MS IOCB */
4149                 ha->ms_iocb = dma_pool_alloc(ha->s_dma_pool, GFP_KERNEL,
4150                         &ha->ms_iocb_dma);
4151                 if (!ha->ms_iocb)
4152                         goto fail_dma_pool;
4153         /* Get consistent memory allocated for CT SNS commands */
4154                 ha->ct_sns = dma_alloc_coherent(&ha->pdev->dev,
4155                         sizeof(struct ct_sns_pkt), &ha->ct_sns_dma, GFP_KERNEL);
4156                 if (!ha->ct_sns)
4157                         goto fail_free_ms_iocb;
4158                 ql_dbg_pci(ql_dbg_init, ha->pdev, 0x0027,
4159                     "ms_iocb=%p ct_sns=%p.\n",
4160                     ha->ms_iocb, ha->ct_sns);
4161         }
4162
4163         /* Allocate memory for request ring */
4164         *req = kzalloc(sizeof(struct req_que), GFP_KERNEL);
4165         if (!*req) {
4166                 ql_log_pci(ql_log_fatal, ha->pdev, 0x0028,
4167                     "Failed to allocate memory for req.\n");
4168                 goto fail_req;
4169         }
4170         (*req)->length = req_len;
4171         (*req)->ring = dma_alloc_coherent(&ha->pdev->dev,
4172                 ((*req)->length + 1) * sizeof(request_t),
4173                 &(*req)->dma, GFP_KERNEL);
4174         if (!(*req)->ring) {
4175                 ql_log_pci(ql_log_fatal, ha->pdev, 0x0029,
4176                     "Failed to allocate memory for req_ring.\n");
4177                 goto fail_req_ring;
4178         }
4179         /* Allocate memory for response ring */
4180         *rsp = kzalloc(sizeof(struct rsp_que), GFP_KERNEL);
4181         if (!*rsp) {
4182                 ql_log_pci(ql_log_fatal, ha->pdev, 0x002a,
4183                     "Failed to allocate memory for rsp.\n");
4184                 goto fail_rsp;
4185         }
4186         (*rsp)->hw = ha;
4187         (*rsp)->length = rsp_len;
4188         (*rsp)->ring = dma_alloc_coherent(&ha->pdev->dev,
4189                 ((*rsp)->length + 1) * sizeof(response_t),
4190                 &(*rsp)->dma, GFP_KERNEL);
4191         if (!(*rsp)->ring) {
4192                 ql_log_pci(ql_log_fatal, ha->pdev, 0x002b,
4193                     "Failed to allocate memory for rsp_ring.\n");
4194                 goto fail_rsp_ring;
4195         }
4196         (*req)->rsp = *rsp;
4197         (*rsp)->req = *req;
4198         ql_dbg_pci(ql_dbg_init, ha->pdev, 0x002c,
4199             "req=%p req->length=%d req->ring=%p rsp=%p "
4200             "rsp->length=%d rsp->ring=%p.\n",
4201             *req, (*req)->length, (*req)->ring, *rsp, (*rsp)->length,
4202             (*rsp)->ring);
4203         /* Allocate memory for NVRAM data for vports */
4204         if (ha->nvram_npiv_size) {
4205                 ha->npiv_info = kcalloc(ha->nvram_npiv_size,
4206                                         sizeof(struct qla_npiv_entry),
4207                                         GFP_KERNEL);
4208                 if (!ha->npiv_info) {
4209                         ql_log_pci(ql_log_fatal, ha->pdev, 0x002d,
4210                             "Failed to allocate memory for npiv_info.\n");
4211                         goto fail_npiv_info;
4212                 }
4213         } else
4214                 ha->npiv_info = NULL;
4215
4216         /* Get consistent memory allocated for EX-INIT-CB. */
4217         if (IS_CNA_CAPABLE(ha) || IS_QLA2031(ha) || IS_QLA27XX(ha) ||
4218             IS_QLA28XX(ha)) {
4219                 ha->ex_init_cb = dma_pool_alloc(ha->s_dma_pool, GFP_KERNEL,
4220                     &ha->ex_init_cb_dma);
4221                 if (!ha->ex_init_cb)
4222                         goto fail_ex_init_cb;
4223                 ql_dbg_pci(ql_dbg_init, ha->pdev, 0x002e,
4224                     "ex_init_cb=%p.\n", ha->ex_init_cb);
4225         }
4226
4227         /* Get consistent memory allocated for Special Features-CB. */
4228         if (IS_QLA27XX(ha) || IS_QLA28XX(ha)) {
4229                 ha->sf_init_cb = dma_pool_alloc(ha->s_dma_pool, GFP_KERNEL,
4230                                                 &ha->sf_init_cb_dma);
4231                 if (!ha->sf_init_cb)
4232                         goto fail_sf_init_cb;
4233                 memset(ha->sf_init_cb, 0, sizeof(struct init_sf_cb));
4234                 ql_dbg_pci(ql_dbg_init, ha->pdev, 0x0199,
4235                            "sf_init_cb=%p.\n", ha->sf_init_cb);
4236         }
4237
4238         INIT_LIST_HEAD(&ha->gbl_dsd_list);
4239
4240         /* Get consistent memory allocated for Async Port-Database. */
4241         if (!IS_FWI2_CAPABLE(ha)) {
4242                 ha->async_pd = dma_pool_alloc(ha->s_dma_pool, GFP_KERNEL,
4243                         &ha->async_pd_dma);
4244                 if (!ha->async_pd)
4245                         goto fail_async_pd;
4246                 ql_dbg_pci(ql_dbg_init, ha->pdev, 0x002f,
4247                     "async_pd=%p.\n", ha->async_pd);
4248         }
4249
4250         INIT_LIST_HEAD(&ha->vp_list);
4251
4252         /* Allocate memory for our loop_id bitmap */
4253         ha->loop_id_map = kcalloc(BITS_TO_LONGS(LOOPID_MAP_SIZE),
4254                                   sizeof(long),
4255                                   GFP_KERNEL);
4256         if (!ha->loop_id_map)
4257                 goto fail_loop_id_map;
4258         else {
4259                 qla2x00_set_reserved_loop_ids(ha);
4260                 ql_dbg_pci(ql_dbg_init, ha->pdev, 0x0123,
4261                     "loop_id_map=%p.\n", ha->loop_id_map);
4262         }
4263
4264         ha->sfp_data = dma_alloc_coherent(&ha->pdev->dev,
4265             SFP_DEV_SIZE, &ha->sfp_data_dma, GFP_KERNEL);
4266         if (!ha->sfp_data) {
4267                 ql_dbg_pci(ql_dbg_init, ha->pdev, 0x011b,
4268                     "Unable to allocate memory for SFP read-data.\n");
4269                 goto fail_sfp_data;
4270         }
4271
4272         ha->flt = dma_alloc_coherent(&ha->pdev->dev,
4273             sizeof(struct qla_flt_header) + FLT_REGIONS_SIZE, &ha->flt_dma,
4274             GFP_KERNEL);
4275         if (!ha->flt) {
4276                 ql_dbg_pci(ql_dbg_init, ha->pdev, 0x011b,
4277                     "Unable to allocate memory for FLT.\n");
4278                 goto fail_flt_buffer;
4279         }
4280
4281         return 0;
4282
4283 fail_flt_buffer:
4284         dma_free_coherent(&ha->pdev->dev, SFP_DEV_SIZE,
4285             ha->sfp_data, ha->sfp_data_dma);
4286 fail_sfp_data:
4287         kfree(ha->loop_id_map);
4288 fail_loop_id_map:
4289         dma_pool_free(ha->s_dma_pool, ha->async_pd, ha->async_pd_dma);
4290 fail_async_pd:
4291         dma_pool_free(ha->s_dma_pool, ha->sf_init_cb, ha->sf_init_cb_dma);
4292 fail_sf_init_cb:
4293         dma_pool_free(ha->s_dma_pool, ha->ex_init_cb, ha->ex_init_cb_dma);
4294 fail_ex_init_cb:
4295         kfree(ha->npiv_info);
4296 fail_npiv_info:
4297         dma_free_coherent(&ha->pdev->dev, ((*rsp)->length + 1) *
4298                 sizeof(response_t), (*rsp)->ring, (*rsp)->dma);
4299         (*rsp)->ring = NULL;
4300         (*rsp)->dma = 0;
4301 fail_rsp_ring:
4302         kfree(*rsp);
4303         *rsp = NULL;
4304 fail_rsp:
4305         dma_free_coherent(&ha->pdev->dev, ((*req)->length + 1) *
4306                 sizeof(request_t), (*req)->ring, (*req)->dma);
4307         (*req)->ring = NULL;
4308         (*req)->dma = 0;
4309 fail_req_ring:
4310         kfree(*req);
4311         *req = NULL;
4312 fail_req:
4313         dma_free_coherent(&ha->pdev->dev, sizeof(struct ct_sns_pkt),
4314                 ha->ct_sns, ha->ct_sns_dma);
4315         ha->ct_sns = NULL;
4316         ha->ct_sns_dma = 0;
4317 fail_free_ms_iocb:
4318         dma_pool_free(ha->s_dma_pool, ha->ms_iocb, ha->ms_iocb_dma);
4319         ha->ms_iocb = NULL;
4320         ha->ms_iocb_dma = 0;
4321
4322         if (ha->sns_cmd)
4323                 dma_free_coherent(&ha->pdev->dev, sizeof(struct sns_cmd_pkt),
4324                     ha->sns_cmd, ha->sns_cmd_dma);
4325 fail_dma_pool:
4326         if (ql2xenabledif) {
4327                 struct dsd_dma *dsd, *nxt;
4328
4329                 list_for_each_entry_safe(dsd, nxt, &ha->pool.unusable.head,
4330                     list) {
4331                         list_del(&dsd->list);
4332                         dma_pool_free(ha->dif_bundl_pool, dsd->dsd_addr,
4333                             dsd->dsd_list_dma);
4334                         ha->dif_bundle_dma_allocs--;
4335                         kfree(dsd);
4336                         ha->dif_bundle_kallocs--;
4337                         ha->pool.unusable.count--;
4338                 }
4339                 dma_pool_destroy(ha->dif_bundl_pool);
4340                 ha->dif_bundl_pool = NULL;
4341         }
4342
4343 fail_dif_bundl_dma_pool:
4344         if (IS_QLA82XX(ha) || ql2xenabledif) {
4345                 dma_pool_destroy(ha->fcp_cmnd_dma_pool);
4346                 ha->fcp_cmnd_dma_pool = NULL;
4347         }
4348 fail_dl_dma_pool:
4349         if (IS_QLA82XX(ha) || ql2xenabledif) {
4350                 dma_pool_destroy(ha->dl_dma_pool);
4351                 ha->dl_dma_pool = NULL;
4352         }
4353 fail_s_dma_pool:
4354         dma_pool_destroy(ha->s_dma_pool);
4355         ha->s_dma_pool = NULL;
4356 fail_free_nvram:
4357         kfree(ha->nvram);
4358         ha->nvram = NULL;
4359 fail_free_ctx_mempool:
4360         mempool_destroy(ha->ctx_mempool);
4361         ha->ctx_mempool = NULL;
4362 fail_free_srb_mempool:
4363         mempool_destroy(ha->srb_mempool);
4364         ha->srb_mempool = NULL;
4365 fail_free_gid_list:
4366         dma_free_coherent(&ha->pdev->dev, qla2x00_gid_list_size(ha),
4367         ha->gid_list,
4368         ha->gid_list_dma);
4369         ha->gid_list = NULL;
4370         ha->gid_list_dma = 0;
4371 fail_free_tgt_mem:
4372         qlt_mem_free(ha);
4373 fail_free_init_cb:
4374         dma_free_coherent(&ha->pdev->dev, ha->init_cb_size, ha->init_cb,
4375         ha->init_cb_dma);
4376         ha->init_cb = NULL;
4377         ha->init_cb_dma = 0;
4378 fail:
4379         ql_log(ql_log_fatal, NULL, 0x0030,
4380             "Memory allocation failure.\n");
4381         return -ENOMEM;
4382 }
4383
4384 int
4385 qla2x00_set_exlogins_buffer(scsi_qla_host_t *vha)
4386 {
4387         int rval;
4388         uint16_t        size, max_cnt;
4389         uint32_t temp;
4390         struct qla_hw_data *ha = vha->hw;
4391
4392         /* Return if we don't need to alloacate any extended logins */
4393         if (ql2xexlogins <= MAX_FIBRE_DEVICES_2400)
4394                 return QLA_SUCCESS;
4395
4396         if (!IS_EXLOGIN_OFFLD_CAPABLE(ha))
4397                 return QLA_SUCCESS;
4398
4399         ql_log(ql_log_info, vha, 0xd021, "EXLOGIN count: %d.\n", ql2xexlogins);
4400         max_cnt = 0;
4401         rval = qla_get_exlogin_status(vha, &size, &max_cnt);
4402         if (rval != QLA_SUCCESS) {
4403                 ql_log_pci(ql_log_fatal, ha->pdev, 0xd029,
4404                     "Failed to get exlogin status.\n");
4405                 return rval;
4406         }
4407
4408         temp = (ql2xexlogins > max_cnt) ? max_cnt : ql2xexlogins;
4409         temp *= size;
4410
4411         if (temp != ha->exlogin_size) {
4412                 qla2x00_free_exlogin_buffer(ha);
4413                 ha->exlogin_size = temp;
4414
4415                 ql_log(ql_log_info, vha, 0xd024,
4416                     "EXLOGIN: max_logins=%d, portdb=0x%x, total=%d.\n",
4417                     max_cnt, size, temp);
4418
4419                 ql_log(ql_log_info, vha, 0xd025,
4420                     "EXLOGIN: requested size=0x%x\n", ha->exlogin_size);
4421
4422                 /* Get consistent memory for extended logins */
4423                 ha->exlogin_buf = dma_alloc_coherent(&ha->pdev->dev,
4424                         ha->exlogin_size, &ha->exlogin_buf_dma, GFP_KERNEL);
4425                 if (!ha->exlogin_buf) {
4426                         ql_log_pci(ql_log_fatal, ha->pdev, 0xd02a,
4427                     "Failed to allocate memory for exlogin_buf_dma.\n");
4428                         return -ENOMEM;
4429                 }
4430         }
4431
4432         /* Now configure the dma buffer */
4433         rval = qla_set_exlogin_mem_cfg(vha, ha->exlogin_buf_dma);
4434         if (rval) {
4435                 ql_log(ql_log_fatal, vha, 0xd033,
4436                     "Setup extended login buffer  ****FAILED****.\n");
4437                 qla2x00_free_exlogin_buffer(ha);
4438         }
4439
4440         return rval;
4441 }
4442
4443 /*
4444 * qla2x00_free_exlogin_buffer
4445 *
4446 * Input:
4447 *       ha = adapter block pointer
4448 */
4449 void
4450 qla2x00_free_exlogin_buffer(struct qla_hw_data *ha)
4451 {
4452         if (ha->exlogin_buf) {
4453                 dma_free_coherent(&ha->pdev->dev, ha->exlogin_size,
4454                     ha->exlogin_buf, ha->exlogin_buf_dma);
4455                 ha->exlogin_buf = NULL;
4456                 ha->exlogin_size = 0;
4457         }
4458 }
4459
4460 static void
4461 qla2x00_number_of_exch(scsi_qla_host_t *vha, u32 *ret_cnt, u16 max_cnt)
4462 {
4463         u32 temp;
4464         struct init_cb_81xx *icb = (struct init_cb_81xx *)&vha->hw->init_cb;
4465         *ret_cnt = FW_DEF_EXCHANGES_CNT;
4466
4467         if (max_cnt > vha->hw->max_exchg)
4468                 max_cnt = vha->hw->max_exchg;
4469
4470         if (qla_ini_mode_enabled(vha)) {
4471                 if (vha->ql2xiniexchg > max_cnt)
4472                         vha->ql2xiniexchg = max_cnt;
4473
4474                 if (vha->ql2xiniexchg > FW_DEF_EXCHANGES_CNT)
4475                         *ret_cnt = vha->ql2xiniexchg;
4476
4477         } else if (qla_tgt_mode_enabled(vha)) {
4478                 if (vha->ql2xexchoffld > max_cnt) {
4479                         vha->ql2xexchoffld = max_cnt;
4480                         icb->exchange_count = cpu_to_le16(vha->ql2xexchoffld);
4481                 }
4482
4483                 if (vha->ql2xexchoffld > FW_DEF_EXCHANGES_CNT)
4484                         *ret_cnt = vha->ql2xexchoffld;
4485         } else if (qla_dual_mode_enabled(vha)) {
4486                 temp = vha->ql2xiniexchg + vha->ql2xexchoffld;
4487                 if (temp > max_cnt) {
4488                         vha->ql2xiniexchg -= (temp - max_cnt)/2;
4489                         vha->ql2xexchoffld -= (((temp - max_cnt)/2) + 1);
4490                         temp = max_cnt;
4491                         icb->exchange_count = cpu_to_le16(vha->ql2xexchoffld);
4492                 }
4493
4494                 if (temp > FW_DEF_EXCHANGES_CNT)
4495                         *ret_cnt = temp;
4496         }
4497 }
4498
4499 int
4500 qla2x00_set_exchoffld_buffer(scsi_qla_host_t *vha)
4501 {
4502         int rval;
4503         u16     size, max_cnt;
4504         u32 actual_cnt, totsz;
4505         struct qla_hw_data *ha = vha->hw;
4506
4507         if (!ha->flags.exchoffld_enabled)
4508                 return QLA_SUCCESS;
4509
4510         if (!IS_EXCHG_OFFLD_CAPABLE(ha))
4511                 return QLA_SUCCESS;
4512
4513         max_cnt = 0;
4514         rval = qla_get_exchoffld_status(vha, &size, &max_cnt);
4515         if (rval != QLA_SUCCESS) {
4516                 ql_log_pci(ql_log_fatal, ha->pdev, 0xd012,
4517                     "Failed to get exlogin status.\n");
4518                 return rval;
4519         }
4520
4521         qla2x00_number_of_exch(vha, &actual_cnt, max_cnt);
4522         ql_log(ql_log_info, vha, 0xd014,
4523             "Actual exchange offload count: %d.\n", actual_cnt);
4524
4525         totsz = actual_cnt * size;
4526
4527         if (totsz != ha->exchoffld_size) {
4528                 qla2x00_free_exchoffld_buffer(ha);
4529                 if (actual_cnt <= FW_DEF_EXCHANGES_CNT) {
4530                         ha->exchoffld_size = 0;
4531                         ha->flags.exchoffld_enabled = 0;
4532                         return QLA_SUCCESS;
4533                 }
4534
4535                 ha->exchoffld_size = totsz;
4536
4537                 ql_log(ql_log_info, vha, 0xd016,
4538                     "Exchange offload: max_count=%d, actual count=%d entry sz=0x%x, total sz=0x%x\n",
4539                     max_cnt, actual_cnt, size, totsz);
4540
4541                 ql_log(ql_log_info, vha, 0xd017,
4542                     "Exchange Buffers requested size = 0x%x\n",
4543                     ha->exchoffld_size);
4544
4545                 /* Get consistent memory for extended logins */
4546                 ha->exchoffld_buf = dma_alloc_coherent(&ha->pdev->dev,
4547                         ha->exchoffld_size, &ha->exchoffld_buf_dma, GFP_KERNEL);
4548                 if (!ha->exchoffld_buf) {
4549                         ql_log_pci(ql_log_fatal, ha->pdev, 0xd013,
4550                         "Failed to allocate memory for Exchange Offload.\n");
4551
4552                         if (ha->max_exchg >
4553                             (FW_DEF_EXCHANGES_CNT + REDUCE_EXCHANGES_CNT)) {
4554                                 ha->max_exchg -= REDUCE_EXCHANGES_CNT;
4555                         } else if (ha->max_exchg >
4556                             (FW_DEF_EXCHANGES_CNT + 512)) {
4557                                 ha->max_exchg -= 512;
4558                         } else {
4559                                 ha->flags.exchoffld_enabled = 0;
4560                                 ql_log_pci(ql_log_fatal, ha->pdev, 0xd013,
4561                                     "Disabling Exchange offload due to lack of memory\n");
4562                         }
4563                         ha->exchoffld_size = 0;
4564
4565                         return -ENOMEM;
4566                 }
4567         } else if (!ha->exchoffld_buf || (actual_cnt <= FW_DEF_EXCHANGES_CNT)) {
4568                 /* pathological case */
4569                 qla2x00_free_exchoffld_buffer(ha);
4570                 ha->exchoffld_size = 0;
4571                 ha->flags.exchoffld_enabled = 0;
4572                 ql_log(ql_log_info, vha, 0xd016,
4573                     "Exchange offload not enable: offld size=%d, actual count=%d entry sz=0x%x, total sz=0x%x.\n",
4574                     ha->exchoffld_size, actual_cnt, size, totsz);
4575                 return 0;
4576         }
4577
4578         /* Now configure the dma buffer */
4579         rval = qla_set_exchoffld_mem_cfg(vha);
4580         if (rval) {
4581                 ql_log(ql_log_fatal, vha, 0xd02e,
4582                     "Setup exchange offload buffer ****FAILED****.\n");
4583                 qla2x00_free_exchoffld_buffer(ha);
4584         } else {
4585                 /* re-adjust number of target exchange */
4586                 struct init_cb_81xx *icb = (struct init_cb_81xx *)ha->init_cb;
4587
4588                 if (qla_ini_mode_enabled(vha))
4589                         icb->exchange_count = 0;
4590                 else
4591                         icb->exchange_count = cpu_to_le16(vha->ql2xexchoffld);
4592         }
4593
4594         return rval;
4595 }
4596
4597 /*
4598 * qla2x00_free_exchoffld_buffer
4599 *
4600 * Input:
4601 *       ha = adapter block pointer
4602 */
4603 void
4604 qla2x00_free_exchoffld_buffer(struct qla_hw_data *ha)
4605 {
4606         if (ha->exchoffld_buf) {
4607                 dma_free_coherent(&ha->pdev->dev, ha->exchoffld_size,
4608                     ha->exchoffld_buf, ha->exchoffld_buf_dma);
4609                 ha->exchoffld_buf = NULL;
4610                 ha->exchoffld_size = 0;
4611         }
4612 }
4613
4614 /*
4615 * qla2x00_free_fw_dump
4616 *       Frees fw dump stuff.
4617 *
4618 * Input:
4619 *       ha = adapter block pointer
4620 */
4621 static void
4622 qla2x00_free_fw_dump(struct qla_hw_data *ha)
4623 {
4624         struct fwdt *fwdt = ha->fwdt;
4625         uint j;
4626
4627         if (ha->fce)
4628                 dma_free_coherent(&ha->pdev->dev,
4629                     FCE_SIZE, ha->fce, ha->fce_dma);
4630
4631         if (ha->eft)
4632                 dma_free_coherent(&ha->pdev->dev,
4633                     EFT_SIZE, ha->eft, ha->eft_dma);
4634
4635         if (ha->fw_dump)
4636                 vfree(ha->fw_dump);
4637
4638         ha->fce = NULL;
4639         ha->fce_dma = 0;
4640         ha->flags.fce_enabled = 0;
4641         ha->eft = NULL;
4642         ha->eft_dma = 0;
4643         ha->fw_dumped = false;
4644         ha->fw_dump_cap_flags = 0;
4645         ha->fw_dump_reading = 0;
4646         ha->fw_dump = NULL;
4647         ha->fw_dump_len = 0;
4648
4649         for (j = 0; j < 2; j++, fwdt++) {
4650                 if (fwdt->template)
4651                         vfree(fwdt->template);
4652                 fwdt->template = NULL;
4653                 fwdt->length = 0;
4654         }
4655 }
4656
4657 /*
4658 * qla2x00_mem_free
4659 *      Frees all adapter allocated memory.
4660 *
4661 * Input:
4662 *      ha = adapter block pointer.
4663 */
4664 static void
4665 qla2x00_mem_free(struct qla_hw_data *ha)
4666 {
4667         qla2x00_free_fw_dump(ha);
4668
4669         if (ha->mctp_dump)
4670                 dma_free_coherent(&ha->pdev->dev, MCTP_DUMP_SIZE, ha->mctp_dump,
4671                     ha->mctp_dump_dma);
4672         ha->mctp_dump = NULL;
4673
4674         mempool_destroy(ha->srb_mempool);
4675         ha->srb_mempool = NULL;
4676
4677         if (ha->dcbx_tlv)
4678                 dma_free_coherent(&ha->pdev->dev, DCBX_TLV_DATA_SIZE,
4679                     ha->dcbx_tlv, ha->dcbx_tlv_dma);
4680         ha->dcbx_tlv = NULL;
4681
4682         if (ha->xgmac_data)
4683                 dma_free_coherent(&ha->pdev->dev, XGMAC_DATA_SIZE,
4684                     ha->xgmac_data, ha->xgmac_data_dma);
4685         ha->xgmac_data = NULL;
4686
4687         if (ha->sns_cmd)
4688                 dma_free_coherent(&ha->pdev->dev, sizeof(struct sns_cmd_pkt),
4689                 ha->sns_cmd, ha->sns_cmd_dma);
4690         ha->sns_cmd = NULL;
4691         ha->sns_cmd_dma = 0;
4692
4693         if (ha->ct_sns)
4694                 dma_free_coherent(&ha->pdev->dev, sizeof(struct ct_sns_pkt),
4695                 ha->ct_sns, ha->ct_sns_dma);
4696         ha->ct_sns = NULL;
4697         ha->ct_sns_dma = 0;
4698
4699         if (ha->sfp_data)
4700                 dma_free_coherent(&ha->pdev->dev, SFP_DEV_SIZE, ha->sfp_data,
4701                     ha->sfp_data_dma);
4702         ha->sfp_data = NULL;
4703
4704         if (ha->flt)
4705                 dma_free_coherent(&ha->pdev->dev,
4706                     sizeof(struct qla_flt_header) + FLT_REGIONS_SIZE,
4707                     ha->flt, ha->flt_dma);
4708         ha->flt = NULL;
4709         ha->flt_dma = 0;
4710
4711         if (ha->ms_iocb)
4712                 dma_pool_free(ha->s_dma_pool, ha->ms_iocb, ha->ms_iocb_dma);
4713         ha->ms_iocb = NULL;
4714         ha->ms_iocb_dma = 0;
4715
4716         if (ha->sf_init_cb)
4717                 dma_pool_free(ha->s_dma_pool,
4718                               ha->sf_init_cb, ha->sf_init_cb_dma);
4719
4720         if (ha->ex_init_cb)
4721                 dma_pool_free(ha->s_dma_pool,
4722                         ha->ex_init_cb, ha->ex_init_cb_dma);
4723         ha->ex_init_cb = NULL;
4724         ha->ex_init_cb_dma = 0;
4725
4726         if (ha->async_pd)
4727                 dma_pool_free(ha->s_dma_pool, ha->async_pd, ha->async_pd_dma);
4728         ha->async_pd = NULL;
4729         ha->async_pd_dma = 0;
4730
4731         dma_pool_destroy(ha->s_dma_pool);
4732         ha->s_dma_pool = NULL;
4733
4734         if (ha->gid_list)
4735                 dma_free_coherent(&ha->pdev->dev, qla2x00_gid_list_size(ha),
4736                 ha->gid_list, ha->gid_list_dma);
4737         ha->gid_list = NULL;
4738         ha->gid_list_dma = 0;
4739
4740         if (IS_QLA82XX(ha)) {
4741                 if (!list_empty(&ha->gbl_dsd_list)) {
4742                         struct dsd_dma *dsd_ptr, *tdsd_ptr;
4743
4744                         /* clean up allocated prev pool */
4745                         list_for_each_entry_safe(dsd_ptr,
4746                                 tdsd_ptr, &ha->gbl_dsd_list, list) {
4747                                 dma_pool_free(ha->dl_dma_pool,
4748                                 dsd_ptr->dsd_addr, dsd_ptr->dsd_list_dma);
4749                                 list_del(&dsd_ptr->list);
4750                                 kfree(dsd_ptr);
4751                         }
4752                 }
4753         }
4754
4755         dma_pool_destroy(ha->dl_dma_pool);
4756         ha->dl_dma_pool = NULL;
4757
4758         dma_pool_destroy(ha->fcp_cmnd_dma_pool);
4759         ha->fcp_cmnd_dma_pool = NULL;
4760
4761         mempool_destroy(ha->ctx_mempool);
4762         ha->ctx_mempool = NULL;
4763
4764         if (ql2xenabledif && ha->dif_bundl_pool) {
4765                 struct dsd_dma *dsd, *nxt;
4766
4767                 list_for_each_entry_safe(dsd, nxt, &ha->pool.unusable.head,
4768                                          list) {
4769                         list_del(&dsd->list);
4770                         dma_pool_free(ha->dif_bundl_pool, dsd->dsd_addr,
4771                                       dsd->dsd_list_dma);
4772                         ha->dif_bundle_dma_allocs--;
4773                         kfree(dsd);
4774                         ha->dif_bundle_kallocs--;
4775                         ha->pool.unusable.count--;
4776                 }
4777                 list_for_each_entry_safe(dsd, nxt, &ha->pool.good.head, list) {
4778                         list_del(&dsd->list);
4779                         dma_pool_free(ha->dif_bundl_pool, dsd->dsd_addr,
4780                                       dsd->dsd_list_dma);
4781                         ha->dif_bundle_dma_allocs--;
4782                         kfree(dsd);
4783                         ha->dif_bundle_kallocs--;
4784                 }
4785         }
4786
4787         dma_pool_destroy(ha->dif_bundl_pool);
4788         ha->dif_bundl_pool = NULL;
4789
4790         qlt_mem_free(ha);
4791
4792         if (ha->init_cb)
4793                 dma_free_coherent(&ha->pdev->dev, ha->init_cb_size,
4794                         ha->init_cb, ha->init_cb_dma);
4795         ha->init_cb = NULL;
4796         ha->init_cb_dma = 0;
4797
4798         vfree(ha->optrom_buffer);
4799         ha->optrom_buffer = NULL;
4800         kfree(ha->nvram);
4801         ha->nvram = NULL;
4802         kfree(ha->npiv_info);
4803         ha->npiv_info = NULL;
4804         kfree(ha->swl);
4805         ha->swl = NULL;
4806         kfree(ha->loop_id_map);
4807         ha->sf_init_cb = NULL;
4808         ha->sf_init_cb_dma = 0;
4809         ha->loop_id_map = NULL;
4810 }
4811
4812 struct scsi_qla_host *qla2x00_create_host(struct scsi_host_template *sht,
4813                                                 struct qla_hw_data *ha)
4814 {
4815         struct Scsi_Host *host;
4816         struct scsi_qla_host *vha = NULL;
4817
4818         host = scsi_host_alloc(sht, sizeof(scsi_qla_host_t));
4819         if (!host) {
4820                 ql_log_pci(ql_log_fatal, ha->pdev, 0x0107,
4821                     "Failed to allocate host from the scsi layer, aborting.\n");
4822                 return NULL;
4823         }
4824
4825         /* Clear our data area */
4826         vha = shost_priv(host);
4827         memset(vha, 0, sizeof(scsi_qla_host_t));
4828
4829         vha->host = host;
4830         vha->host_no = host->host_no;
4831         vha->hw = ha;
4832
4833         vha->qlini_mode = ql2x_ini_mode;
4834         vha->ql2xexchoffld = ql2xexchoffld;
4835         vha->ql2xiniexchg = ql2xiniexchg;
4836
4837         INIT_LIST_HEAD(&vha->vp_fcports);
4838         INIT_LIST_HEAD(&vha->work_list);
4839         INIT_LIST_HEAD(&vha->list);
4840         INIT_LIST_HEAD(&vha->qla_cmd_list);
4841         INIT_LIST_HEAD(&vha->qla_sess_op_cmd_list);
4842         INIT_LIST_HEAD(&vha->logo_list);
4843         INIT_LIST_HEAD(&vha->plogi_ack_list);
4844         INIT_LIST_HEAD(&vha->qp_list);
4845         INIT_LIST_HEAD(&vha->gnl.fcports);
4846         INIT_LIST_HEAD(&vha->gpnid_list);
4847         INIT_WORK(&vha->iocb_work, qla2x00_iocb_work_fn);
4848
4849         INIT_LIST_HEAD(&vha->purex_list.head);
4850         spin_lock_init(&vha->purex_list.lock);
4851
4852         spin_lock_init(&vha->work_lock);
4853         spin_lock_init(&vha->cmd_list_lock);
4854         init_waitqueue_head(&vha->fcport_waitQ);
4855         init_waitqueue_head(&vha->vref_waitq);
4856
4857         vha->gnl.size = sizeof(struct get_name_list_extended) *
4858                         (ha->max_loop_id + 1);
4859         vha->gnl.l = dma_alloc_coherent(&ha->pdev->dev,
4860             vha->gnl.size, &vha->gnl.ldma, GFP_KERNEL);
4861         if (!vha->gnl.l) {
4862                 ql_log(ql_log_fatal, vha, 0xd04a,
4863                     "Alloc failed for name list.\n");
4864                 scsi_host_put(vha->host);
4865                 return NULL;
4866         }
4867
4868         /* todo: what about ext login? */
4869         vha->scan.size = ha->max_fibre_devices * sizeof(struct fab_scan_rp);
4870         vha->scan.l = vmalloc(vha->scan.size);
4871         if (!vha->scan.l) {
4872                 ql_log(ql_log_fatal, vha, 0xd04a,
4873                     "Alloc failed for scan database.\n");
4874                 dma_free_coherent(&ha->pdev->dev, vha->gnl.size,
4875                     vha->gnl.l, vha->gnl.ldma);
4876                 vha->gnl.l = NULL;
4877                 scsi_host_put(vha->host);
4878                 return NULL;
4879         }
4880         INIT_DELAYED_WORK(&vha->scan.scan_work, qla_scan_work_fn);
4881
4882         sprintf(vha->host_str, "%s_%lu", QLA2XXX_DRIVER_NAME, vha->host_no);
4883         ql_dbg(ql_dbg_init, vha, 0x0041,
4884             "Allocated the host=%p hw=%p vha=%p dev_name=%s",
4885             vha->host, vha->hw, vha,
4886             dev_name(&(ha->pdev->dev)));
4887
4888         return vha;
4889 }
4890
4891 struct qla_work_evt *
4892 qla2x00_alloc_work(struct scsi_qla_host *vha, enum qla_work_type type)
4893 {
4894         struct qla_work_evt *e;
4895         uint8_t bail;
4896
4897         if (test_bit(UNLOADING, &vha->dpc_flags))
4898                 return NULL;
4899
4900         QLA_VHA_MARK_BUSY(vha, bail);
4901         if (bail)
4902                 return NULL;
4903
4904         e = kzalloc(sizeof(struct qla_work_evt), GFP_ATOMIC);
4905         if (!e) {
4906                 QLA_VHA_MARK_NOT_BUSY(vha);
4907                 return NULL;
4908         }
4909
4910         INIT_LIST_HEAD(&e->list);
4911         e->type = type;
4912         e->flags = QLA_EVT_FLAG_FREE;
4913         return e;
4914 }
4915
4916 int
4917 qla2x00_post_work(struct scsi_qla_host *vha, struct qla_work_evt *e)
4918 {
4919         unsigned long flags;
4920         bool q = false;
4921
4922         spin_lock_irqsave(&vha->work_lock, flags);
4923         list_add_tail(&e->list, &vha->work_list);
4924
4925         if (!test_and_set_bit(IOCB_WORK_ACTIVE, &vha->dpc_flags))
4926                 q = true;
4927
4928         spin_unlock_irqrestore(&vha->work_lock, flags);
4929
4930         if (q)
4931                 queue_work(vha->hw->wq, &vha->iocb_work);
4932
4933         return QLA_SUCCESS;
4934 }
4935
4936 int
4937 qla2x00_post_aen_work(struct scsi_qla_host *vha, enum fc_host_event_code code,
4938     u32 data)
4939 {
4940         struct qla_work_evt *e;
4941
4942         e = qla2x00_alloc_work(vha, QLA_EVT_AEN);
4943         if (!e)
4944                 return QLA_FUNCTION_FAILED;
4945
4946         e->u.aen.code = code;
4947         e->u.aen.data = data;
4948         return qla2x00_post_work(vha, e);
4949 }
4950
4951 int
4952 qla2x00_post_idc_ack_work(struct scsi_qla_host *vha, uint16_t *mb)
4953 {
4954         struct qla_work_evt *e;
4955
4956         e = qla2x00_alloc_work(vha, QLA_EVT_IDC_ACK);
4957         if (!e)
4958                 return QLA_FUNCTION_FAILED;
4959
4960         memcpy(e->u.idc_ack.mb, mb, QLA_IDC_ACK_REGS * sizeof(uint16_t));
4961         return qla2x00_post_work(vha, e);
4962 }
4963
4964 #define qla2x00_post_async_work(name, type)     \
4965 int qla2x00_post_async_##name##_work(           \
4966     struct scsi_qla_host *vha,                  \
4967     fc_port_t *fcport, uint16_t *data)          \
4968 {                                               \
4969         struct qla_work_evt *e;                 \
4970                                                 \
4971         e = qla2x00_alloc_work(vha, type);      \
4972         if (!e)                                 \
4973                 return QLA_FUNCTION_FAILED;     \
4974                                                 \
4975         e->u.logio.fcport = fcport;             \
4976         if (data) {                             \
4977                 e->u.logio.data[0] = data[0];   \
4978                 e->u.logio.data[1] = data[1];   \
4979         }                                       \
4980         fcport->flags |= FCF_ASYNC_ACTIVE;      \
4981         return qla2x00_post_work(vha, e);       \
4982 }
4983
4984 qla2x00_post_async_work(login, QLA_EVT_ASYNC_LOGIN);
4985 qla2x00_post_async_work(logout, QLA_EVT_ASYNC_LOGOUT);
4986 qla2x00_post_async_work(adisc, QLA_EVT_ASYNC_ADISC);
4987 qla2x00_post_async_work(prlo, QLA_EVT_ASYNC_PRLO);
4988 qla2x00_post_async_work(prlo_done, QLA_EVT_ASYNC_PRLO_DONE);
4989
4990 int
4991 qla2x00_post_uevent_work(struct scsi_qla_host *vha, u32 code)
4992 {
4993         struct qla_work_evt *e;
4994
4995         e = qla2x00_alloc_work(vha, QLA_EVT_UEVENT);
4996         if (!e)
4997                 return QLA_FUNCTION_FAILED;
4998
4999         e->u.uevent.code = code;
5000         return qla2x00_post_work(vha, e);
5001 }
5002
5003 static void
5004 qla2x00_uevent_emit(struct scsi_qla_host *vha, u32 code)
5005 {
5006         char event_string[40];
5007         char *envp[] = { event_string, NULL };
5008
5009         switch (code) {
5010         case QLA_UEVENT_CODE_FW_DUMP:
5011                 snprintf(event_string, sizeof(event_string), "FW_DUMP=%lu",
5012                     vha->host_no);
5013                 break;
5014         default:
5015                 /* do nothing */
5016                 break;
5017         }
5018         kobject_uevent_env(&vha->hw->pdev->dev.kobj, KOBJ_CHANGE, envp);
5019 }
5020
5021 int
5022 qlafx00_post_aenfx_work(struct scsi_qla_host *vha,  uint32_t evtcode,
5023                         uint32_t *data, int cnt)
5024 {
5025         struct qla_work_evt *e;
5026
5027         e = qla2x00_alloc_work(vha, QLA_EVT_AENFX);
5028         if (!e)
5029                 return QLA_FUNCTION_FAILED;
5030
5031         e->u.aenfx.evtcode = evtcode;
5032         e->u.aenfx.count = cnt;
5033         memcpy(e->u.aenfx.mbx, data, sizeof(*data) * cnt);
5034         return qla2x00_post_work(vha, e);
5035 }
5036
5037 void qla24xx_sched_upd_fcport(fc_port_t *fcport)
5038 {
5039         unsigned long flags;
5040
5041         if (IS_SW_RESV_ADDR(fcport->d_id))
5042                 return;
5043
5044         spin_lock_irqsave(&fcport->vha->work_lock, flags);
5045         if (fcport->disc_state == DSC_UPD_FCPORT) {
5046                 spin_unlock_irqrestore(&fcport->vha->work_lock, flags);
5047                 return;
5048         }
5049         fcport->jiffies_at_registration = jiffies;
5050         fcport->sec_since_registration = 0;
5051         fcport->next_disc_state = DSC_DELETED;
5052         qla2x00_set_fcport_disc_state(fcport, DSC_UPD_FCPORT);
5053         spin_unlock_irqrestore(&fcport->vha->work_lock, flags);
5054
5055         queue_work(system_unbound_wq, &fcport->reg_work);
5056 }
5057
5058 static
5059 void qla24xx_create_new_sess(struct scsi_qla_host *vha, struct qla_work_evt *e)
5060 {
5061         unsigned long flags;
5062         fc_port_t *fcport =  NULL, *tfcp;
5063         struct qlt_plogi_ack_t *pla =
5064             (struct qlt_plogi_ack_t *)e->u.new_sess.pla;
5065         uint8_t free_fcport = 0;
5066
5067         ql_dbg(ql_dbg_disc, vha, 0xffff,
5068             "%s %d %8phC enter\n",
5069             __func__, __LINE__, e->u.new_sess.port_name);
5070
5071         spin_lock_irqsave(&vha->hw->tgt.sess_lock, flags);
5072         fcport = qla2x00_find_fcport_by_wwpn(vha, e->u.new_sess.port_name, 1);
5073         if (fcport) {
5074                 fcport->d_id = e->u.new_sess.id;
5075                 if (pla) {
5076                         fcport->fw_login_state = DSC_LS_PLOGI_PEND;
5077                         memcpy(fcport->node_name,
5078                             pla->iocb.u.isp24.u.plogi.node_name,
5079                             WWN_SIZE);
5080                         qlt_plogi_ack_link(vha, pla, fcport, QLT_PLOGI_LINK_SAME_WWN);
5081                         /* we took an extra ref_count to prevent PLOGI ACK when
5082                          * fcport/sess has not been created.
5083                          */
5084                         pla->ref_count--;
5085                 }
5086         } else {
5087                 spin_unlock_irqrestore(&vha->hw->tgt.sess_lock, flags);
5088                 fcport = qla2x00_alloc_fcport(vha, GFP_KERNEL);
5089                 if (fcport) {
5090                         fcport->d_id = e->u.new_sess.id;
5091                         fcport->flags |= FCF_FABRIC_DEVICE;
5092                         fcport->fw_login_state = DSC_LS_PLOGI_PEND;
5093
5094                         memcpy(fcport->port_name, e->u.new_sess.port_name,
5095                             WWN_SIZE);
5096
5097                         fcport->fc4_type = e->u.new_sess.fc4_type;
5098                         if (e->u.new_sess.fc4_type & FS_FCP_IS_N2N) {
5099                                 fcport->dm_login_expire = jiffies +
5100                                         QLA_N2N_WAIT_TIME * HZ;
5101                                 fcport->fc4_type = FS_FC4TYPE_FCP;
5102                                 fcport->n2n_flag = 1;
5103                                 if (vha->flags.nvme_enabled)
5104                                         fcport->fc4_type |= FS_FC4TYPE_NVME;
5105                         }
5106
5107                 } else {
5108                         ql_dbg(ql_dbg_disc, vha, 0xffff,
5109                                    "%s %8phC mem alloc fail.\n",
5110                                    __func__, e->u.new_sess.port_name);
5111
5112                         if (pla) {
5113                                 list_del(&pla->list);
5114                                 kmem_cache_free(qla_tgt_plogi_cachep, pla);
5115                         }
5116                         return;
5117                 }
5118
5119                 spin_lock_irqsave(&vha->hw->tgt.sess_lock, flags);
5120                 /* search again to make sure no one else got ahead */
5121                 tfcp = qla2x00_find_fcport_by_wwpn(vha,
5122                     e->u.new_sess.port_name, 1);
5123                 if (tfcp) {
5124                         /* should rarily happen */
5125                         ql_dbg(ql_dbg_disc, vha, 0xffff,
5126                             "%s %8phC found existing fcport b4 add. DS %d LS %d\n",
5127                             __func__, tfcp->port_name, tfcp->disc_state,
5128                             tfcp->fw_login_state);
5129
5130                         free_fcport = 1;
5131                 } else {
5132                         list_add_tail(&fcport->list, &vha->vp_fcports);
5133
5134                 }
5135                 if (pla) {
5136                         qlt_plogi_ack_link(vha, pla, fcport,
5137                             QLT_PLOGI_LINK_SAME_WWN);
5138                         pla->ref_count--;
5139                 }
5140         }
5141         spin_unlock_irqrestore(&vha->hw->tgt.sess_lock, flags);
5142
5143         if (fcport) {
5144                 fcport->id_changed = 1;
5145                 fcport->scan_state = QLA_FCPORT_FOUND;
5146                 fcport->chip_reset = vha->hw->base_qpair->chip_reset;
5147                 memcpy(fcport->node_name, e->u.new_sess.node_name, WWN_SIZE);
5148
5149                 if (pla) {
5150                         if (pla->iocb.u.isp24.status_subcode == ELS_PRLI) {
5151                                 u16 wd3_lo;
5152
5153                                 fcport->fw_login_state = DSC_LS_PRLI_PEND;
5154                                 fcport->local = 0;
5155                                 fcport->loop_id =
5156                                         le16_to_cpu(
5157                                             pla->iocb.u.isp24.nport_handle);
5158                                 fcport->fw_login_state = DSC_LS_PRLI_PEND;
5159                                 wd3_lo =
5160                                     le16_to_cpu(
5161                                         pla->iocb.u.isp24.u.prli.wd3_lo);
5162
5163                                 if (wd3_lo & BIT_7)
5164                                         fcport->conf_compl_supported = 1;
5165
5166                                 if ((wd3_lo & BIT_4) == 0)
5167                                         fcport->port_type = FCT_INITIATOR;
5168                                 else
5169                                         fcport->port_type = FCT_TARGET;
5170                         }
5171                         qlt_plogi_ack_unref(vha, pla);
5172                 } else {
5173                         fc_port_t *dfcp = NULL;
5174
5175                         spin_lock_irqsave(&vha->hw->tgt.sess_lock, flags);
5176                         tfcp = qla2x00_find_fcport_by_nportid(vha,
5177                             &e->u.new_sess.id, 1);
5178                         if (tfcp && (tfcp != fcport)) {
5179                                 /*
5180                                  * We have a conflict fcport with same NportID.
5181                                  */
5182                                 ql_dbg(ql_dbg_disc, vha, 0xffff,
5183                                     "%s %8phC found conflict b4 add. DS %d LS %d\n",
5184                                     __func__, tfcp->port_name, tfcp->disc_state,
5185                                     tfcp->fw_login_state);
5186
5187                                 switch (tfcp->disc_state) {
5188                                 case DSC_DELETED:
5189                                         break;
5190                                 case DSC_DELETE_PEND:
5191                                         fcport->login_pause = 1;
5192                                         tfcp->conflict = fcport;
5193                                         break;
5194                                 default:
5195                                         fcport->login_pause = 1;
5196                                         tfcp->conflict = fcport;
5197                                         dfcp = tfcp;
5198                                         break;
5199                                 }
5200                         }
5201                         spin_unlock_irqrestore(&vha->hw->tgt.sess_lock, flags);
5202                         if (dfcp)
5203                                 qlt_schedule_sess_for_deletion(tfcp);
5204
5205                         if (N2N_TOPO(vha->hw)) {
5206                                 fcport->flags &= ~FCF_FABRIC_DEVICE;
5207                                 fcport->keep_nport_handle = 1;
5208                                 if (vha->flags.nvme_enabled) {
5209                                         fcport->fc4_type =
5210                                             (FS_FC4TYPE_NVME | FS_FC4TYPE_FCP);
5211                                         fcport->n2n_flag = 1;
5212                                 }
5213                                 fcport->fw_login_state = 0;
5214
5215                                 schedule_delayed_work(&vha->scan.scan_work, 5);
5216                         } else {
5217                                 qla24xx_fcport_handle_login(vha, fcport);
5218                         }
5219                 }
5220         }
5221
5222         if (free_fcport) {
5223                 qla2x00_free_fcport(fcport);
5224                 if (pla) {
5225                         list_del(&pla->list);
5226                         kmem_cache_free(qla_tgt_plogi_cachep, pla);
5227                 }
5228         }
5229 }
5230
5231 static void qla_sp_retry(struct scsi_qla_host *vha, struct qla_work_evt *e)
5232 {
5233         struct srb *sp = e->u.iosb.sp;
5234         int rval;
5235
5236         rval = qla2x00_start_sp(sp);
5237         if (rval != QLA_SUCCESS) {
5238                 ql_dbg(ql_dbg_disc, vha, 0x2043,
5239                     "%s: %s: Re-issue IOCB failed (%d).\n",
5240                     __func__, sp->name, rval);
5241                 qla24xx_sp_unmap(vha, sp);
5242         }
5243 }
5244
5245 void
5246 qla2x00_do_work(struct scsi_qla_host *vha)
5247 {
5248         struct qla_work_evt *e, *tmp;
5249         unsigned long flags;
5250         LIST_HEAD(work);
5251         int rc;
5252
5253         spin_lock_irqsave(&vha->work_lock, flags);
5254         list_splice_init(&vha->work_list, &work);
5255         spin_unlock_irqrestore(&vha->work_lock, flags);
5256
5257         list_for_each_entry_safe(e, tmp, &work, list) {
5258                 rc = QLA_SUCCESS;
5259                 switch (e->type) {
5260                 case QLA_EVT_AEN:
5261                         fc_host_post_event(vha->host, fc_get_event_number(),
5262                             e->u.aen.code, e->u.aen.data);
5263                         break;
5264                 case QLA_EVT_IDC_ACK:
5265                         qla81xx_idc_ack(vha, e->u.idc_ack.mb);
5266                         break;
5267                 case QLA_EVT_ASYNC_LOGIN:
5268                         qla2x00_async_login(vha, e->u.logio.fcport,
5269                             e->u.logio.data);
5270                         break;
5271                 case QLA_EVT_ASYNC_LOGOUT:
5272                         rc = qla2x00_async_logout(vha, e->u.logio.fcport);
5273                         break;
5274                 case QLA_EVT_ASYNC_ADISC:
5275                         qla2x00_async_adisc(vha, e->u.logio.fcport,
5276                             e->u.logio.data);
5277                         break;
5278                 case QLA_EVT_UEVENT:
5279                         qla2x00_uevent_emit(vha, e->u.uevent.code);
5280                         break;
5281                 case QLA_EVT_AENFX:
5282                         qlafx00_process_aen(vha, e);
5283                         break;
5284                 case QLA_EVT_GPNID:
5285                         qla24xx_async_gpnid(vha, &e->u.gpnid.id);
5286                         break;
5287                 case QLA_EVT_UNMAP:
5288                         qla24xx_sp_unmap(vha, e->u.iosb.sp);
5289                         break;
5290                 case QLA_EVT_RELOGIN:
5291                         qla2x00_relogin(vha);
5292                         break;
5293                 case QLA_EVT_NEW_SESS:
5294                         qla24xx_create_new_sess(vha, e);
5295                         break;
5296                 case QLA_EVT_GPDB:
5297                         qla24xx_async_gpdb(vha, e->u.fcport.fcport,
5298                             e->u.fcport.opt);
5299                         break;
5300                 case QLA_EVT_PRLI:
5301                         qla24xx_async_prli(vha, e->u.fcport.fcport);
5302                         break;
5303                 case QLA_EVT_GPSC:
5304                         qla24xx_async_gpsc(vha, e->u.fcport.fcport);
5305                         break;
5306                 case QLA_EVT_GNL:
5307                         qla24xx_async_gnl(vha, e->u.fcport.fcport);
5308                         break;
5309                 case QLA_EVT_NACK:
5310                         qla24xx_do_nack_work(vha, e);
5311                         break;
5312                 case QLA_EVT_ASYNC_PRLO:
5313                         rc = qla2x00_async_prlo(vha, e->u.logio.fcport);
5314                         break;
5315                 case QLA_EVT_ASYNC_PRLO_DONE:
5316                         qla2x00_async_prlo_done(vha, e->u.logio.fcport,
5317                             e->u.logio.data);
5318                         break;
5319                 case QLA_EVT_GPNFT:
5320                         qla24xx_async_gpnft(vha, e->u.gpnft.fc4_type,
5321                             e->u.gpnft.sp);
5322                         break;
5323                 case QLA_EVT_GPNFT_DONE:
5324                         qla24xx_async_gpnft_done(vha, e->u.iosb.sp);
5325                         break;
5326                 case QLA_EVT_GNNFT_DONE:
5327                         qla24xx_async_gnnft_done(vha, e->u.iosb.sp);
5328                         break;
5329                 case QLA_EVT_GNNID:
5330                         qla24xx_async_gnnid(vha, e->u.fcport.fcport);
5331                         break;
5332                 case QLA_EVT_GFPNID:
5333                         qla24xx_async_gfpnid(vha, e->u.fcport.fcport);
5334                         break;
5335                 case QLA_EVT_SP_RETRY:
5336                         qla_sp_retry(vha, e);
5337                         break;
5338                 case QLA_EVT_IIDMA:
5339                         qla_do_iidma_work(vha, e->u.fcport.fcport);
5340                         break;
5341                 case QLA_EVT_ELS_PLOGI:
5342                         qla24xx_els_dcmd2_iocb(vha, ELS_DCMD_PLOGI,
5343                             e->u.fcport.fcport, false);
5344                         break;
5345                 }
5346
5347                 if (rc == EAGAIN) {
5348                         /* put 'work' at head of 'vha->work_list' */
5349                         spin_lock_irqsave(&vha->work_lock, flags);
5350                         list_splice(&work, &vha->work_list);
5351                         spin_unlock_irqrestore(&vha->work_lock, flags);
5352                         break;
5353                 }
5354                 list_del_init(&e->list);
5355                 if (e->flags & QLA_EVT_FLAG_FREE)
5356                         kfree(e);
5357
5358                 /* For each work completed decrement vha ref count */
5359                 QLA_VHA_MARK_NOT_BUSY(vha);
5360         }
5361 }
5362
5363 int qla24xx_post_relogin_work(struct scsi_qla_host *vha)
5364 {
5365         struct qla_work_evt *e;
5366
5367         e = qla2x00_alloc_work(vha, QLA_EVT_RELOGIN);
5368
5369         if (!e) {
5370                 set_bit(RELOGIN_NEEDED, &vha->dpc_flags);
5371                 return QLA_FUNCTION_FAILED;
5372         }
5373
5374         return qla2x00_post_work(vha, e);
5375 }
5376
5377 /* Relogins all the fcports of a vport
5378  * Context: dpc thread
5379  */
5380 void qla2x00_relogin(struct scsi_qla_host *vha)
5381 {
5382         fc_port_t       *fcport;
5383         int status, relogin_needed = 0;
5384         struct event_arg ea;
5385
5386         list_for_each_entry(fcport, &vha->vp_fcports, list) {
5387                 /*
5388                  * If the port is not ONLINE then try to login
5389                  * to it if we haven't run out of retries.
5390                  */
5391                 if (atomic_read(&fcport->state) != FCS_ONLINE &&
5392                     fcport->login_retry) {
5393                         if (fcport->scan_state != QLA_FCPORT_FOUND ||
5394                             fcport->disc_state == DSC_LOGIN_COMPLETE)
5395                                 continue;
5396
5397                         if (fcport->flags & (FCF_ASYNC_SENT|FCF_ASYNC_ACTIVE) ||
5398                                 fcport->disc_state == DSC_DELETE_PEND) {
5399                                 relogin_needed = 1;
5400                         } else {
5401                                 if (vha->hw->current_topology != ISP_CFG_NL) {
5402                                         memset(&ea, 0, sizeof(ea));
5403                                         ea.fcport = fcport;
5404                                         qla24xx_handle_relogin_event(vha, &ea);
5405                                 } else if (vha->hw->current_topology ==
5406                                     ISP_CFG_NL) {
5407                                         fcport->login_retry--;
5408                                         status =
5409                                             qla2x00_local_device_login(vha,
5410                                                 fcport);
5411                                         if (status == QLA_SUCCESS) {
5412                                                 fcport->old_loop_id =
5413                                                     fcport->loop_id;
5414                                                 ql_dbg(ql_dbg_disc, vha, 0x2003,
5415                                                     "Port login OK: logged in ID 0x%x.\n",
5416                                                     fcport->loop_id);
5417                                                 qla2x00_update_fcport
5418                                                         (vha, fcport);
5419                                         } else if (status == 1) {
5420                                                 set_bit(RELOGIN_NEEDED,
5421                                                     &vha->dpc_flags);
5422                                                 /* retry the login again */
5423                                                 ql_dbg(ql_dbg_disc, vha, 0x2007,
5424                                                     "Retrying %d login again loop_id 0x%x.\n",
5425                                                     fcport->login_retry,
5426                                                     fcport->loop_id);
5427                                         } else {
5428                                                 fcport->login_retry = 0;
5429                                         }
5430
5431                                         if (fcport->login_retry == 0 &&
5432                                             status != QLA_SUCCESS)
5433                                                 qla2x00_clear_loop_id(fcport);
5434                                 }
5435                         }
5436                 }
5437                 if (test_bit(LOOP_RESYNC_NEEDED, &vha->dpc_flags))
5438                         break;
5439         }
5440
5441         if (relogin_needed)
5442                 set_bit(RELOGIN_NEEDED, &vha->dpc_flags);
5443
5444         ql_dbg(ql_dbg_disc, vha, 0x400e,
5445             "Relogin end.\n");
5446 }
5447
5448 /* Schedule work on any of the dpc-workqueues */
5449 void
5450 qla83xx_schedule_work(scsi_qla_host_t *base_vha, int work_code)
5451 {
5452         struct qla_hw_data *ha = base_vha->hw;
5453
5454         switch (work_code) {
5455         case MBA_IDC_AEN: /* 0x8200 */
5456                 if (ha->dpc_lp_wq)
5457                         queue_work(ha->dpc_lp_wq, &ha->idc_aen);
5458                 break;
5459
5460         case QLA83XX_NIC_CORE_RESET: /* 0x1 */
5461                 if (!ha->flags.nic_core_reset_hdlr_active) {
5462                         if (ha->dpc_hp_wq)
5463                                 queue_work(ha->dpc_hp_wq, &ha->nic_core_reset);
5464                 } else
5465                         ql_dbg(ql_dbg_p3p, base_vha, 0xb05e,
5466                             "NIC Core reset is already active. Skip "
5467                             "scheduling it again.\n");
5468                 break;
5469         case QLA83XX_IDC_STATE_HANDLER: /* 0x2 */
5470                 if (ha->dpc_hp_wq)
5471                         queue_work(ha->dpc_hp_wq, &ha->idc_state_handler);
5472                 break;
5473         case QLA83XX_NIC_CORE_UNRECOVERABLE: /* 0x3 */
5474                 if (ha->dpc_hp_wq)
5475                         queue_work(ha->dpc_hp_wq, &ha->nic_core_unrecoverable);
5476                 break;
5477         default:
5478                 ql_log(ql_log_warn, base_vha, 0xb05f,
5479                     "Unknown work-code=0x%x.\n", work_code);
5480         }
5481
5482         return;
5483 }
5484
5485 /* Work: Perform NIC Core Unrecoverable state handling */
5486 void
5487 qla83xx_nic_core_unrecoverable_work(struct work_struct *work)
5488 {
5489         struct qla_hw_data *ha =
5490                 container_of(work, struct qla_hw_data, nic_core_unrecoverable);
5491         scsi_qla_host_t *base_vha = pci_get_drvdata(ha->pdev);
5492         uint32_t dev_state = 0;
5493
5494         qla83xx_idc_lock(base_vha, 0);
5495         qla83xx_rd_reg(base_vha, QLA83XX_IDC_DEV_STATE, &dev_state);
5496         qla83xx_reset_ownership(base_vha);
5497         if (ha->flags.nic_core_reset_owner) {
5498                 ha->flags.nic_core_reset_owner = 0;
5499                 qla83xx_wr_reg(base_vha, QLA83XX_IDC_DEV_STATE,
5500                     QLA8XXX_DEV_FAILED);
5501                 ql_log(ql_log_info, base_vha, 0xb060, "HW State: FAILED.\n");
5502                 qla83xx_schedule_work(base_vha, QLA83XX_IDC_STATE_HANDLER);
5503         }
5504         qla83xx_idc_unlock(base_vha, 0);
5505 }
5506
5507 /* Work: Execute IDC state handler */
5508 void
5509 qla83xx_idc_state_handler_work(struct work_struct *work)
5510 {
5511         struct qla_hw_data *ha =
5512                 container_of(work, struct qla_hw_data, idc_state_handler);
5513         scsi_qla_host_t *base_vha = pci_get_drvdata(ha->pdev);
5514         uint32_t dev_state = 0;
5515
5516         qla83xx_idc_lock(base_vha, 0);
5517         qla83xx_rd_reg(base_vha, QLA83XX_IDC_DEV_STATE, &dev_state);
5518         if (dev_state == QLA8XXX_DEV_FAILED ||
5519                         dev_state == QLA8XXX_DEV_NEED_QUIESCENT)
5520                 qla83xx_idc_state_handler(base_vha);
5521         qla83xx_idc_unlock(base_vha, 0);
5522 }
5523
5524 static int
5525 qla83xx_check_nic_core_fw_alive(scsi_qla_host_t *base_vha)
5526 {
5527         int rval = QLA_SUCCESS;
5528         unsigned long heart_beat_wait = jiffies + (1 * HZ);
5529         uint32_t heart_beat_counter1, heart_beat_counter2;
5530
5531         do {
5532                 if (time_after(jiffies, heart_beat_wait)) {
5533                         ql_dbg(ql_dbg_p3p, base_vha, 0xb07c,
5534                             "Nic Core f/w is not alive.\n");
5535                         rval = QLA_FUNCTION_FAILED;
5536                         break;
5537                 }
5538
5539                 qla83xx_idc_lock(base_vha, 0);
5540                 qla83xx_rd_reg(base_vha, QLA83XX_FW_HEARTBEAT,
5541                     &heart_beat_counter1);
5542                 qla83xx_idc_unlock(base_vha, 0);
5543                 msleep(100);
5544                 qla83xx_idc_lock(base_vha, 0);
5545                 qla83xx_rd_reg(base_vha, QLA83XX_FW_HEARTBEAT,
5546                     &heart_beat_counter2);
5547                 qla83xx_idc_unlock(base_vha, 0);
5548         } while (heart_beat_counter1 == heart_beat_counter2);
5549
5550         return rval;
5551 }
5552
5553 /* Work: Perform NIC Core Reset handling */
5554 void
5555 qla83xx_nic_core_reset_work(struct work_struct *work)
5556 {
5557         struct qla_hw_data *ha =
5558                 container_of(work, struct qla_hw_data, nic_core_reset);
5559         scsi_qla_host_t *base_vha = pci_get_drvdata(ha->pdev);
5560         uint32_t dev_state = 0;
5561
5562         if (IS_QLA2031(ha)) {
5563                 if (qla2xxx_mctp_dump(base_vha) != QLA_SUCCESS)
5564                         ql_log(ql_log_warn, base_vha, 0xb081,
5565                             "Failed to dump mctp\n");
5566                 return;
5567         }
5568
5569         if (!ha->flags.nic_core_reset_hdlr_active) {
5570                 if (qla83xx_check_nic_core_fw_alive(base_vha) == QLA_SUCCESS) {
5571                         qla83xx_idc_lock(base_vha, 0);
5572                         qla83xx_rd_reg(base_vha, QLA83XX_IDC_DEV_STATE,
5573                             &dev_state);
5574                         qla83xx_idc_unlock(base_vha, 0);
5575                         if (dev_state != QLA8XXX_DEV_NEED_RESET) {
5576                                 ql_dbg(ql_dbg_p3p, base_vha, 0xb07a,
5577                                     "Nic Core f/w is alive.\n");
5578                                 return;
5579                         }
5580                 }
5581
5582                 ha->flags.nic_core_reset_hdlr_active = 1;
5583                 if (qla83xx_nic_core_reset(base_vha)) {
5584                         /* NIC Core reset failed. */
5585                         ql_dbg(ql_dbg_p3p, base_vha, 0xb061,
5586                             "NIC Core reset failed.\n");
5587                 }
5588                 ha->flags.nic_core_reset_hdlr_active = 0;
5589         }
5590 }
5591
5592 /* Work: Handle 8200 IDC aens */
5593 void
5594 qla83xx_service_idc_aen(struct work_struct *work)
5595 {
5596         struct qla_hw_data *ha =
5597                 container_of(work, struct qla_hw_data, idc_aen);
5598         scsi_qla_host_t *base_vha = pci_get_drvdata(ha->pdev);
5599         uint32_t dev_state, idc_control;
5600
5601         qla83xx_idc_lock(base_vha, 0);
5602         qla83xx_rd_reg(base_vha, QLA83XX_IDC_DEV_STATE, &dev_state);
5603         qla83xx_rd_reg(base_vha, QLA83XX_IDC_CONTROL, &idc_control);
5604         qla83xx_idc_unlock(base_vha, 0);
5605         if (dev_state == QLA8XXX_DEV_NEED_RESET) {
5606                 if (idc_control & QLA83XX_IDC_GRACEFUL_RESET) {
5607                         ql_dbg(ql_dbg_p3p, base_vha, 0xb062,
5608                             "Application requested NIC Core Reset.\n");
5609                         qla83xx_schedule_work(base_vha, QLA83XX_NIC_CORE_RESET);
5610                 } else if (qla83xx_check_nic_core_fw_alive(base_vha) ==
5611                     QLA_SUCCESS) {
5612                         ql_dbg(ql_dbg_p3p, base_vha, 0xb07b,
5613                             "Other protocol driver requested NIC Core Reset.\n");
5614                         qla83xx_schedule_work(base_vha, QLA83XX_NIC_CORE_RESET);
5615                 }
5616         } else if (dev_state == QLA8XXX_DEV_FAILED ||
5617                         dev_state == QLA8XXX_DEV_NEED_QUIESCENT) {
5618                 qla83xx_schedule_work(base_vha, QLA83XX_IDC_STATE_HANDLER);
5619         }
5620 }
5621
5622 static void
5623 qla83xx_wait_logic(void)
5624 {
5625         int i;
5626
5627         /* Yield CPU */
5628         if (!in_interrupt()) {
5629                 /*
5630                  * Wait about 200ms before retrying again.
5631                  * This controls the number of retries for single
5632                  * lock operation.
5633                  */
5634                 msleep(100);
5635                 schedule();
5636         } else {
5637                 for (i = 0; i < 20; i++)
5638                         cpu_relax(); /* This a nop instr on i386 */
5639         }
5640 }
5641
5642 static int
5643 qla83xx_force_lock_recovery(scsi_qla_host_t *base_vha)
5644 {
5645         int rval;
5646         uint32_t data;
5647         uint32_t idc_lck_rcvry_stage_mask = 0x3;
5648         uint32_t idc_lck_rcvry_owner_mask = 0x3c;
5649         struct qla_hw_data *ha = base_vha->hw;
5650
5651         ql_dbg(ql_dbg_p3p, base_vha, 0xb086,
5652             "Trying force recovery of the IDC lock.\n");
5653
5654         rval = qla83xx_rd_reg(base_vha, QLA83XX_IDC_LOCK_RECOVERY, &data);
5655         if (rval)
5656                 return rval;
5657
5658         if ((data & idc_lck_rcvry_stage_mask) > 0) {
5659                 return QLA_SUCCESS;
5660         } else {
5661                 data = (IDC_LOCK_RECOVERY_STAGE1) | (ha->portnum << 2);
5662                 rval = qla83xx_wr_reg(base_vha, QLA83XX_IDC_LOCK_RECOVERY,
5663                     data);
5664                 if (rval)
5665                         return rval;
5666
5667                 msleep(200);
5668
5669                 rval = qla83xx_rd_reg(base_vha, QLA83XX_IDC_LOCK_RECOVERY,
5670                     &data);
5671                 if (rval)
5672                         return rval;
5673
5674                 if (((data & idc_lck_rcvry_owner_mask) >> 2) == ha->portnum) {
5675                         data &= (IDC_LOCK_RECOVERY_STAGE2 |
5676                                         ~(idc_lck_rcvry_stage_mask));
5677                         rval = qla83xx_wr_reg(base_vha,
5678                             QLA83XX_IDC_LOCK_RECOVERY, data);
5679                         if (rval)
5680                                 return rval;
5681
5682                         /* Forcefully perform IDC UnLock */
5683                         rval = qla83xx_rd_reg(base_vha, QLA83XX_DRIVER_UNLOCK,
5684                             &data);
5685                         if (rval)
5686                                 return rval;
5687                         /* Clear lock-id by setting 0xff */
5688                         rval = qla83xx_wr_reg(base_vha, QLA83XX_DRIVER_LOCKID,
5689                             0xff);
5690                         if (rval)
5691                                 return rval;
5692                         /* Clear lock-recovery by setting 0x0 */
5693                         rval = qla83xx_wr_reg(base_vha,
5694                             QLA83XX_IDC_LOCK_RECOVERY, 0x0);
5695                         if (rval)
5696                                 return rval;
5697                 } else
5698                         return QLA_SUCCESS;
5699         }
5700
5701         return rval;
5702 }
5703
5704 static int
5705 qla83xx_idc_lock_recovery(scsi_qla_host_t *base_vha)
5706 {
5707         int rval = QLA_SUCCESS;
5708         uint32_t o_drv_lockid, n_drv_lockid;
5709         unsigned long lock_recovery_timeout;
5710
5711         lock_recovery_timeout = jiffies + QLA83XX_MAX_LOCK_RECOVERY_WAIT;
5712 retry_lockid:
5713         rval = qla83xx_rd_reg(base_vha, QLA83XX_DRIVER_LOCKID, &o_drv_lockid);
5714         if (rval)
5715                 goto exit;
5716
5717         /* MAX wait time before forcing IDC Lock recovery = 2 secs */
5718         if (time_after_eq(jiffies, lock_recovery_timeout)) {
5719                 if (qla83xx_force_lock_recovery(base_vha) == QLA_SUCCESS)
5720                         return QLA_SUCCESS;
5721                 else
5722                         return QLA_FUNCTION_FAILED;
5723         }
5724
5725         rval = qla83xx_rd_reg(base_vha, QLA83XX_DRIVER_LOCKID, &n_drv_lockid);
5726         if (rval)
5727                 goto exit;
5728
5729         if (o_drv_lockid == n_drv_lockid) {
5730                 qla83xx_wait_logic();
5731                 goto retry_lockid;
5732         } else
5733                 return QLA_SUCCESS;
5734
5735 exit:
5736         return rval;
5737 }
5738
5739 void
5740 qla83xx_idc_lock(scsi_qla_host_t *base_vha, uint16_t requester_id)
5741 {
5742         uint32_t data;
5743         uint32_t lock_owner;
5744         struct qla_hw_data *ha = base_vha->hw;
5745
5746         /* IDC-lock implementation using driver-lock/lock-id remote registers */
5747 retry_lock:
5748         if (qla83xx_rd_reg(base_vha, QLA83XX_DRIVER_LOCK, &data)
5749             == QLA_SUCCESS) {
5750                 if (data) {
5751                         /* Setting lock-id to our function-number */
5752                         qla83xx_wr_reg(base_vha, QLA83XX_DRIVER_LOCKID,
5753                             ha->portnum);
5754                 } else {
5755                         qla83xx_rd_reg(base_vha, QLA83XX_DRIVER_LOCKID,
5756                             &lock_owner);
5757                         ql_dbg(ql_dbg_p3p, base_vha, 0xb063,
5758                             "Failed to acquire IDC lock, acquired by %d, "
5759                             "retrying...\n", lock_owner);
5760
5761                         /* Retry/Perform IDC-Lock recovery */
5762                         if (qla83xx_idc_lock_recovery(base_vha)
5763                             == QLA_SUCCESS) {
5764                                 qla83xx_wait_logic();
5765                                 goto retry_lock;
5766                         } else
5767                                 ql_log(ql_log_warn, base_vha, 0xb075,
5768                                     "IDC Lock recovery FAILED.\n");
5769                 }
5770
5771         }
5772
5773         return;
5774 }
5775
5776 static bool
5777 qla25xx_rdp_rsp_reduce_size(struct scsi_qla_host *vha,
5778         struct purex_entry_24xx *purex)
5779 {
5780         char fwstr[16];
5781         u32 sid = purex->s_id[2] << 16 | purex->s_id[1] << 8 | purex->s_id[0];
5782         struct port_database_24xx *pdb;
5783
5784         /* Domain Controller is always logged-out. */
5785         /* if RDP request is not from Domain Controller: */
5786         if (sid != 0xfffc01)
5787                 return false;
5788
5789         ql_dbg(ql_dbg_init, vha, 0x0181, "%s: s_id=%#x\n", __func__, sid);
5790
5791         pdb = kzalloc(sizeof(*pdb), GFP_KERNEL);
5792         if (!pdb) {
5793                 ql_dbg(ql_dbg_init, vha, 0x0181,
5794                     "%s: Failed allocate pdb\n", __func__);
5795         } else if (qla24xx_get_port_database(vha,
5796                                 le16_to_cpu(purex->nport_handle), pdb)) {
5797                 ql_dbg(ql_dbg_init, vha, 0x0181,
5798                     "%s: Failed get pdb sid=%x\n", __func__, sid);
5799         } else if (pdb->current_login_state != PDS_PLOGI_COMPLETE &&
5800             pdb->current_login_state != PDS_PRLI_COMPLETE) {
5801                 ql_dbg(ql_dbg_init, vha, 0x0181,
5802                     "%s: Port not logged in sid=%#x\n", __func__, sid);
5803         } else {
5804                 /* RDP request is from logged in port */
5805                 kfree(pdb);
5806                 return false;
5807         }
5808         kfree(pdb);
5809
5810         vha->hw->isp_ops->fw_version_str(vha, fwstr, sizeof(fwstr));
5811         fwstr[strcspn(fwstr, " ")] = 0;
5812         /* if FW version allows RDP response length upto 2048 bytes: */
5813         if (strcmp(fwstr, "8.09.00") > 0 || strcmp(fwstr, "8.05.65") == 0)
5814                 return false;
5815
5816         ql_dbg(ql_dbg_init, vha, 0x0181, "%s: fw=%s\n", __func__, fwstr);
5817
5818         /* RDP response length is to be reduced to maximum 256 bytes */
5819         return true;
5820 }
5821
5822 /*
5823  * Function Name: qla24xx_process_purex_iocb
5824  *
5825  * Description:
5826  * Prepare a RDP response and send to Fabric switch
5827  *
5828  * PARAMETERS:
5829  * vha: SCSI qla host
5830  * purex: RDP request received by HBA
5831  */
5832 void qla24xx_process_purex_rdp(struct scsi_qla_host *vha,
5833                                struct purex_item *item)
5834 {
5835         struct qla_hw_data *ha = vha->hw;
5836         struct purex_entry_24xx *purex =
5837             (struct purex_entry_24xx *)&item->iocb;
5838         dma_addr_t rsp_els_dma;
5839         dma_addr_t rsp_payload_dma;
5840         dma_addr_t stat_dma;
5841         dma_addr_t sfp_dma;
5842         struct els_entry_24xx *rsp_els = NULL;
5843         struct rdp_rsp_payload *rsp_payload = NULL;
5844         struct link_statistics *stat = NULL;
5845         uint8_t *sfp = NULL;
5846         uint16_t sfp_flags = 0;
5847         uint rsp_payload_length = sizeof(*rsp_payload);
5848         int rval;
5849
5850         ql_dbg(ql_dbg_init + ql_dbg_verbose, vha, 0x0180,
5851             "%s: Enter\n", __func__);
5852
5853         ql_dbg(ql_dbg_init + ql_dbg_verbose, vha, 0x0181,
5854             "-------- ELS REQ -------\n");
5855         ql_dump_buffer(ql_dbg_init + ql_dbg_verbose, vha, 0x0182,
5856             purex, sizeof(*purex));
5857
5858         if (qla25xx_rdp_rsp_reduce_size(vha, purex)) {
5859                 rsp_payload_length =
5860                     offsetof(typeof(*rsp_payload), optical_elmt_desc);
5861                 ql_dbg(ql_dbg_init, vha, 0x0181,
5862                     "Reducing RSP payload length to %u bytes...\n",
5863                     rsp_payload_length);
5864         }
5865
5866         rsp_els = dma_alloc_coherent(&ha->pdev->dev, sizeof(*rsp_els),
5867             &rsp_els_dma, GFP_KERNEL);
5868         if (!rsp_els) {
5869                 ql_log(ql_log_warn, vha, 0x0183,
5870                     "Failed allocate dma buffer ELS RSP.\n");
5871                 goto dealloc;
5872         }
5873
5874         rsp_payload = dma_alloc_coherent(&ha->pdev->dev, sizeof(*rsp_payload),
5875             &rsp_payload_dma, GFP_KERNEL);
5876         if (!rsp_payload) {
5877                 ql_log(ql_log_warn, vha, 0x0184,
5878                     "Failed allocate dma buffer ELS RSP payload.\n");
5879                 goto dealloc;
5880         }
5881
5882         sfp = dma_alloc_coherent(&ha->pdev->dev, SFP_RTDI_LEN,
5883             &sfp_dma, GFP_KERNEL);
5884
5885         stat = dma_alloc_coherent(&ha->pdev->dev, sizeof(*stat),
5886             &stat_dma, GFP_KERNEL);
5887
5888         /* Prepare Response IOCB */
5889         rsp_els->entry_type = ELS_IOCB_TYPE;
5890         rsp_els->entry_count = 1;
5891         rsp_els->sys_define = 0;
5892         rsp_els->entry_status = 0;
5893         rsp_els->handle = 0;
5894         rsp_els->nport_handle = purex->nport_handle;
5895         rsp_els->tx_dsd_count = cpu_to_le16(1);
5896         rsp_els->vp_index = purex->vp_idx;
5897         rsp_els->sof_type = EST_SOFI3;
5898         rsp_els->rx_xchg_address = purex->rx_xchg_addr;
5899         rsp_els->rx_dsd_count = 0;
5900         rsp_els->opcode = purex->els_frame_payload[0];
5901
5902         rsp_els->d_id[0] = purex->s_id[0];
5903         rsp_els->d_id[1] = purex->s_id[1];
5904         rsp_els->d_id[2] = purex->s_id[2];
5905
5906         rsp_els->control_flags = cpu_to_le16(EPD_ELS_ACC);
5907         rsp_els->rx_byte_count = 0;
5908         rsp_els->tx_byte_count = cpu_to_le32(rsp_payload_length);
5909
5910         put_unaligned_le64(rsp_payload_dma, &rsp_els->tx_address);
5911         rsp_els->tx_len = rsp_els->tx_byte_count;
5912
5913         rsp_els->rx_address = 0;
5914         rsp_els->rx_len = 0;
5915
5916         /* Prepare Response Payload */
5917         rsp_payload->hdr.cmd = cpu_to_be32(0x2 << 24); /* LS_ACC */
5918         rsp_payload->hdr.len = cpu_to_be32(le32_to_cpu(rsp_els->tx_byte_count) -
5919                                            sizeof(rsp_payload->hdr));
5920
5921         /* Link service Request Info Descriptor */
5922         rsp_payload->ls_req_info_desc.desc_tag = cpu_to_be32(0x1);
5923         rsp_payload->ls_req_info_desc.desc_len =
5924             cpu_to_be32(RDP_DESC_LEN(rsp_payload->ls_req_info_desc));
5925         rsp_payload->ls_req_info_desc.req_payload_word_0 =
5926             cpu_to_be32p((uint32_t *)purex->els_frame_payload);
5927
5928         /* Link service Request Info Descriptor 2 */
5929         rsp_payload->ls_req_info_desc2.desc_tag = cpu_to_be32(0x1);
5930         rsp_payload->ls_req_info_desc2.desc_len =
5931             cpu_to_be32(RDP_DESC_LEN(rsp_payload->ls_req_info_desc2));
5932         rsp_payload->ls_req_info_desc2.req_payload_word_0 =
5933             cpu_to_be32p((uint32_t *)purex->els_frame_payload);
5934
5935
5936         rsp_payload->sfp_diag_desc.desc_tag = cpu_to_be32(0x10000);
5937         rsp_payload->sfp_diag_desc.desc_len =
5938                 cpu_to_be32(RDP_DESC_LEN(rsp_payload->sfp_diag_desc));
5939
5940         if (sfp) {
5941                 /* SFP Flags */
5942                 memset(sfp, 0, SFP_RTDI_LEN);
5943                 rval = qla2x00_read_sfp(vha, sfp_dma, sfp, 0xa0, 0x7, 2, 0);
5944                 if (!rval) {
5945                         /* SFP Flags bits 3-0: Port Tx Laser Type */
5946                         if (sfp[0] & BIT_2 || sfp[1] & (BIT_6|BIT_5))
5947                                 sfp_flags |= BIT_0; /* short wave */
5948                         else if (sfp[0] & BIT_1)
5949                                 sfp_flags |= BIT_1; /* long wave 1310nm */
5950                         else if (sfp[1] & BIT_4)
5951                                 sfp_flags |= BIT_1|BIT_0; /* long wave 1550nm */
5952                 }
5953
5954                 /* SFP Type */
5955                 memset(sfp, 0, SFP_RTDI_LEN);
5956                 rval = qla2x00_read_sfp(vha, sfp_dma, sfp, 0xa0, 0x0, 1, 0);
5957                 if (!rval) {
5958                         sfp_flags |= BIT_4; /* optical */
5959                         if (sfp[0] == 0x3)
5960                                 sfp_flags |= BIT_6; /* sfp+ */
5961                 }
5962
5963                 rsp_payload->sfp_diag_desc.sfp_flags = cpu_to_be16(sfp_flags);
5964
5965                 /* SFP Diagnostics */
5966                 memset(sfp, 0, SFP_RTDI_LEN);
5967                 rval = qla2x00_read_sfp(vha, sfp_dma, sfp, 0xa2, 0x60, 10, 0);
5968                 if (!rval) {
5969                         __be16 *trx = (__force __be16 *)sfp; /* already be16 */
5970                         rsp_payload->sfp_diag_desc.temperature = trx[0];
5971                         rsp_payload->sfp_diag_desc.vcc = trx[1];
5972                         rsp_payload->sfp_diag_desc.tx_bias = trx[2];
5973                         rsp_payload->sfp_diag_desc.tx_power = trx[3];
5974                         rsp_payload->sfp_diag_desc.rx_power = trx[4];
5975                 }
5976         }
5977
5978         /* Port Speed Descriptor */
5979         rsp_payload->port_speed_desc.desc_tag = cpu_to_be32(0x10001);
5980         rsp_payload->port_speed_desc.desc_len =
5981             cpu_to_be32(RDP_DESC_LEN(rsp_payload->port_speed_desc));
5982         rsp_payload->port_speed_desc.speed_capab = cpu_to_be16(
5983             qla25xx_fdmi_port_speed_capability(ha));
5984         rsp_payload->port_speed_desc.operating_speed = cpu_to_be16(
5985             qla25xx_fdmi_port_speed_currently(ha));
5986
5987         /* Link Error Status Descriptor */
5988         rsp_payload->ls_err_desc.desc_tag = cpu_to_be32(0x10002);
5989         rsp_payload->ls_err_desc.desc_len =
5990                 cpu_to_be32(RDP_DESC_LEN(rsp_payload->ls_err_desc));
5991
5992         if (stat) {
5993                 rval = qla24xx_get_isp_stats(vha, stat, stat_dma, 0);
5994                 if (!rval) {
5995                         rsp_payload->ls_err_desc.link_fail_cnt =
5996                             cpu_to_be32(le32_to_cpu(stat->link_fail_cnt));
5997                         rsp_payload->ls_err_desc.loss_sync_cnt =
5998                             cpu_to_be32(le32_to_cpu(stat->loss_sync_cnt));
5999                         rsp_payload->ls_err_desc.loss_sig_cnt =
6000                             cpu_to_be32(le32_to_cpu(stat->loss_sig_cnt));
6001                         rsp_payload->ls_err_desc.prim_seq_err_cnt =
6002                             cpu_to_be32(le32_to_cpu(stat->prim_seq_err_cnt));
6003                         rsp_payload->ls_err_desc.inval_xmit_word_cnt =
6004                             cpu_to_be32(le32_to_cpu(stat->inval_xmit_word_cnt));
6005                         rsp_payload->ls_err_desc.inval_crc_cnt =
6006                             cpu_to_be32(le32_to_cpu(stat->inval_crc_cnt));
6007                         rsp_payload->ls_err_desc.pn_port_phy_type |= BIT_6;
6008                 }
6009         }
6010
6011         /* Portname Descriptor */
6012         rsp_payload->port_name_diag_desc.desc_tag = cpu_to_be32(0x10003);
6013         rsp_payload->port_name_diag_desc.desc_len =
6014             cpu_to_be32(RDP_DESC_LEN(rsp_payload->port_name_diag_desc));
6015         memcpy(rsp_payload->port_name_diag_desc.WWNN,
6016             vha->node_name,
6017             sizeof(rsp_payload->port_name_diag_desc.WWNN));
6018         memcpy(rsp_payload->port_name_diag_desc.WWPN,
6019             vha->port_name,
6020             sizeof(rsp_payload->port_name_diag_desc.WWPN));
6021
6022         /* F-Port Portname Descriptor */
6023         rsp_payload->port_name_direct_desc.desc_tag = cpu_to_be32(0x10003);
6024         rsp_payload->port_name_direct_desc.desc_len =
6025             cpu_to_be32(RDP_DESC_LEN(rsp_payload->port_name_direct_desc));
6026         memcpy(rsp_payload->port_name_direct_desc.WWNN,
6027             vha->fabric_node_name,
6028             sizeof(rsp_payload->port_name_direct_desc.WWNN));
6029         memcpy(rsp_payload->port_name_direct_desc.WWPN,
6030             vha->fabric_port_name,
6031             sizeof(rsp_payload->port_name_direct_desc.WWPN));
6032
6033         /* Bufer Credit Descriptor */
6034         rsp_payload->buffer_credit_desc.desc_tag = cpu_to_be32(0x10006);
6035         rsp_payload->buffer_credit_desc.desc_len =
6036                 cpu_to_be32(RDP_DESC_LEN(rsp_payload->buffer_credit_desc));
6037         rsp_payload->buffer_credit_desc.fcport_b2b = 0;
6038         rsp_payload->buffer_credit_desc.attached_fcport_b2b = cpu_to_be32(0);
6039         rsp_payload->buffer_credit_desc.fcport_rtt = cpu_to_be32(0);
6040
6041         if (ha->flags.plogi_template_valid) {
6042                 uint32_t tmp =
6043                 be16_to_cpu(ha->plogi_els_payld.fl_csp.sp_bb_cred);
6044                 rsp_payload->buffer_credit_desc.fcport_b2b = cpu_to_be32(tmp);
6045         }
6046
6047         if (rsp_payload_length < sizeof(*rsp_payload))
6048                 goto send;
6049
6050         /* Optical Element Descriptor, Temperature */
6051         rsp_payload->optical_elmt_desc[0].desc_tag = cpu_to_be32(0x10007);
6052         rsp_payload->optical_elmt_desc[0].desc_len =
6053                 cpu_to_be32(RDP_DESC_LEN(*rsp_payload->optical_elmt_desc));
6054         /* Optical Element Descriptor, Voltage */
6055         rsp_payload->optical_elmt_desc[1].desc_tag = cpu_to_be32(0x10007);
6056         rsp_payload->optical_elmt_desc[1].desc_len =
6057                 cpu_to_be32(RDP_DESC_LEN(*rsp_payload->optical_elmt_desc));
6058         /* Optical Element Descriptor, Tx Bias Current */
6059         rsp_payload->optical_elmt_desc[2].desc_tag = cpu_to_be32(0x10007);
6060         rsp_payload->optical_elmt_desc[2].desc_len =
6061                 cpu_to_be32(RDP_DESC_LEN(*rsp_payload->optical_elmt_desc));
6062         /* Optical Element Descriptor, Tx Power */
6063         rsp_payload->optical_elmt_desc[3].desc_tag = cpu_to_be32(0x10007);
6064         rsp_payload->optical_elmt_desc[3].desc_len =
6065                 cpu_to_be32(RDP_DESC_LEN(*rsp_payload->optical_elmt_desc));
6066         /* Optical Element Descriptor, Rx Power */
6067         rsp_payload->optical_elmt_desc[4].desc_tag = cpu_to_be32(0x10007);
6068         rsp_payload->optical_elmt_desc[4].desc_len =
6069                 cpu_to_be32(RDP_DESC_LEN(*rsp_payload->optical_elmt_desc));
6070
6071         if (sfp) {
6072                 memset(sfp, 0, SFP_RTDI_LEN);
6073                 rval = qla2x00_read_sfp(vha, sfp_dma, sfp, 0xa2, 0, 64, 0);
6074                 if (!rval) {
6075                         __be16 *trx = (__force __be16 *)sfp; /* already be16 */
6076
6077                         /* Optical Element Descriptor, Temperature */
6078                         rsp_payload->optical_elmt_desc[0].high_alarm = trx[0];
6079                         rsp_payload->optical_elmt_desc[0].low_alarm = trx[1];
6080                         rsp_payload->optical_elmt_desc[0].high_warn = trx[2];
6081                         rsp_payload->optical_elmt_desc[0].low_warn = trx[3];
6082                         rsp_payload->optical_elmt_desc[0].element_flags =
6083                             cpu_to_be32(1 << 28);
6084
6085                         /* Optical Element Descriptor, Voltage */
6086                         rsp_payload->optical_elmt_desc[1].high_alarm = trx[4];
6087                         rsp_payload->optical_elmt_desc[1].low_alarm = trx[5];
6088                         rsp_payload->optical_elmt_desc[1].high_warn = trx[6];
6089                         rsp_payload->optical_elmt_desc[1].low_warn = trx[7];
6090                         rsp_payload->optical_elmt_desc[1].element_flags =
6091                             cpu_to_be32(2 << 28);
6092
6093                         /* Optical Element Descriptor, Tx Bias Current */
6094                         rsp_payload->optical_elmt_desc[2].high_alarm = trx[8];
6095                         rsp_payload->optical_elmt_desc[2].low_alarm = trx[9];
6096                         rsp_payload->optical_elmt_desc[2].high_warn = trx[10];
6097                         rsp_payload->optical_elmt_desc[2].low_warn = trx[11];
6098                         rsp_payload->optical_elmt_desc[2].element_flags =
6099                             cpu_to_be32(3 << 28);
6100
6101                         /* Optical Element Descriptor, Tx Power */
6102                         rsp_payload->optical_elmt_desc[3].high_alarm = trx[12];
6103                         rsp_payload->optical_elmt_desc[3].low_alarm = trx[13];
6104                         rsp_payload->optical_elmt_desc[3].high_warn = trx[14];
6105                         rsp_payload->optical_elmt_desc[3].low_warn = trx[15];
6106                         rsp_payload->optical_elmt_desc[3].element_flags =
6107                             cpu_to_be32(4 << 28);
6108
6109                         /* Optical Element Descriptor, Rx Power */
6110                         rsp_payload->optical_elmt_desc[4].high_alarm = trx[16];
6111                         rsp_payload->optical_elmt_desc[4].low_alarm = trx[17];
6112                         rsp_payload->optical_elmt_desc[4].high_warn = trx[18];
6113                         rsp_payload->optical_elmt_desc[4].low_warn = trx[19];
6114                         rsp_payload->optical_elmt_desc[4].element_flags =
6115                             cpu_to_be32(5 << 28);
6116                 }
6117
6118                 memset(sfp, 0, SFP_RTDI_LEN);
6119                 rval = qla2x00_read_sfp(vha, sfp_dma, sfp, 0xa2, 112, 64, 0);
6120                 if (!rval) {
6121                         /* Temperature high/low alarm/warning */
6122                         rsp_payload->optical_elmt_desc[0].element_flags |=
6123                             cpu_to_be32(
6124                                 (sfp[0] >> 7 & 1) << 3 |
6125                                 (sfp[0] >> 6 & 1) << 2 |
6126                                 (sfp[4] >> 7 & 1) << 1 |
6127                                 (sfp[4] >> 6 & 1) << 0);
6128
6129                         /* Voltage high/low alarm/warning */
6130                         rsp_payload->optical_elmt_desc[1].element_flags |=
6131                             cpu_to_be32(
6132                                 (sfp[0] >> 5 & 1) << 3 |
6133                                 (sfp[0] >> 4 & 1) << 2 |
6134                                 (sfp[4] >> 5 & 1) << 1 |
6135                                 (sfp[4] >> 4 & 1) << 0);
6136
6137                         /* Tx Bias Current high/low alarm/warning */
6138                         rsp_payload->optical_elmt_desc[2].element_flags |=
6139                             cpu_to_be32(
6140                                 (sfp[0] >> 3 & 1) << 3 |
6141                                 (sfp[0] >> 2 & 1) << 2 |
6142                                 (sfp[4] >> 3 & 1) << 1 |
6143                                 (sfp[4] >> 2 & 1) << 0);
6144
6145                         /* Tx Power high/low alarm/warning */
6146                         rsp_payload->optical_elmt_desc[3].element_flags |=
6147                             cpu_to_be32(
6148                                 (sfp[0] >> 1 & 1) << 3 |
6149                                 (sfp[0] >> 0 & 1) << 2 |
6150                                 (sfp[4] >> 1 & 1) << 1 |
6151                                 (sfp[4] >> 0 & 1) << 0);
6152
6153                         /* Rx Power high/low alarm/warning */
6154                         rsp_payload->optical_elmt_desc[4].element_flags |=
6155                             cpu_to_be32(
6156                                 (sfp[1] >> 7 & 1) << 3 |
6157                                 (sfp[1] >> 6 & 1) << 2 |
6158                                 (sfp[5] >> 7 & 1) << 1 |
6159                                 (sfp[5] >> 6 & 1) << 0);
6160                 }
6161         }
6162
6163         /* Optical Product Data Descriptor */
6164         rsp_payload->optical_prod_desc.desc_tag = cpu_to_be32(0x10008);
6165         rsp_payload->optical_prod_desc.desc_len =
6166                 cpu_to_be32(RDP_DESC_LEN(rsp_payload->optical_prod_desc));
6167
6168         if (sfp) {
6169                 memset(sfp, 0, SFP_RTDI_LEN);
6170                 rval = qla2x00_read_sfp(vha, sfp_dma, sfp, 0xa0, 20, 64, 0);
6171                 if (!rval) {
6172                         memcpy(rsp_payload->optical_prod_desc.vendor_name,
6173                             sfp + 0,
6174                             sizeof(rsp_payload->optical_prod_desc.vendor_name));
6175                         memcpy(rsp_payload->optical_prod_desc.part_number,
6176                             sfp + 20,
6177                             sizeof(rsp_payload->optical_prod_desc.part_number));
6178                         memcpy(rsp_payload->optical_prod_desc.revision,
6179                             sfp + 36,
6180                             sizeof(rsp_payload->optical_prod_desc.revision));
6181                         memcpy(rsp_payload->optical_prod_desc.serial_number,
6182                             sfp + 48,
6183                             sizeof(rsp_payload->optical_prod_desc.serial_number));
6184                 }
6185
6186                 memset(sfp, 0, SFP_RTDI_LEN);
6187                 rval = qla2x00_read_sfp(vha, sfp_dma, sfp, 0xa0, 84, 8, 0);
6188                 if (!rval) {
6189                         memcpy(rsp_payload->optical_prod_desc.date,
6190                             sfp + 0,
6191                             sizeof(rsp_payload->optical_prod_desc.date));
6192                 }
6193         }
6194
6195 send:
6196         ql_dbg(ql_dbg_init, vha, 0x0183,
6197             "Sending ELS Response to RDP Request...\n");
6198         ql_dbg(ql_dbg_init + ql_dbg_verbose, vha, 0x0184,
6199             "-------- ELS RSP -------\n");
6200         ql_dump_buffer(ql_dbg_init + ql_dbg_verbose, vha, 0x0185,
6201             rsp_els, sizeof(*rsp_els));
6202         ql_dbg(ql_dbg_init + ql_dbg_verbose, vha, 0x0186,
6203             "-------- ELS RSP PAYLOAD -------\n");
6204         ql_dump_buffer(ql_dbg_init + ql_dbg_verbose, vha, 0x0187,
6205             rsp_payload, rsp_payload_length);
6206
6207         rval = qla2x00_issue_iocb(vha, rsp_els, rsp_els_dma, 0);
6208
6209         if (rval) {
6210                 ql_log(ql_log_warn, vha, 0x0188,
6211                     "%s: iocb failed to execute -> %x\n", __func__, rval);
6212         } else if (rsp_els->comp_status) {
6213                 ql_log(ql_log_warn, vha, 0x0189,
6214                     "%s: iocb failed to complete -> completion=%#x subcode=(%#x,%#x)\n",
6215                     __func__, rsp_els->comp_status,
6216                     rsp_els->error_subcode_1, rsp_els->error_subcode_2);
6217         } else {
6218                 ql_dbg(ql_dbg_init, vha, 0x018a, "%s: done.\n", __func__);
6219         }
6220
6221 dealloc:
6222         if (stat)
6223                 dma_free_coherent(&ha->pdev->dev, sizeof(*stat),
6224                     stat, stat_dma);
6225         if (sfp)
6226                 dma_free_coherent(&ha->pdev->dev, SFP_RTDI_LEN,
6227                     sfp, sfp_dma);
6228         if (rsp_payload)
6229                 dma_free_coherent(&ha->pdev->dev, sizeof(*rsp_payload),
6230                     rsp_payload, rsp_payload_dma);
6231         if (rsp_els)
6232                 dma_free_coherent(&ha->pdev->dev, sizeof(*rsp_els),
6233                     rsp_els, rsp_els_dma);
6234 }
6235
6236 void
6237 qla24xx_free_purex_item(struct purex_item *item)
6238 {
6239         if (item == &item->vha->default_item)
6240                 memset(&item->vha->default_item, 0, sizeof(struct purex_item));
6241         else
6242                 kfree(item);
6243 }
6244
6245 void qla24xx_process_purex_list(struct purex_list *list)
6246 {
6247         struct list_head head = LIST_HEAD_INIT(head);
6248         struct purex_item *item, *next;
6249         ulong flags;
6250
6251         spin_lock_irqsave(&list->lock, flags);
6252         list_splice_init(&list->head, &head);
6253         spin_unlock_irqrestore(&list->lock, flags);
6254
6255         list_for_each_entry_safe(item, next, &head, list) {
6256                 list_del(&item->list);
6257                 item->process_item(item->vha, item);
6258                 qla24xx_free_purex_item(item);
6259         }
6260 }
6261
6262 void
6263 qla83xx_idc_unlock(scsi_qla_host_t *base_vha, uint16_t requester_id)
6264 {
6265 #if 0
6266         uint16_t options = (requester_id << 15) | BIT_7;
6267 #endif
6268         uint16_t retry;
6269         uint32_t data;
6270         struct qla_hw_data *ha = base_vha->hw;
6271
6272         /* IDC-unlock implementation using driver-unlock/lock-id
6273          * remote registers
6274          */
6275         retry = 0;
6276 retry_unlock:
6277         if (qla83xx_rd_reg(base_vha, QLA83XX_DRIVER_LOCKID, &data)
6278             == QLA_SUCCESS) {
6279                 if (data == ha->portnum) {
6280                         qla83xx_rd_reg(base_vha, QLA83XX_DRIVER_UNLOCK, &data);
6281                         /* Clearing lock-id by setting 0xff */
6282                         qla83xx_wr_reg(base_vha, QLA83XX_DRIVER_LOCKID, 0xff);
6283                 } else if (retry < 10) {
6284                         /* SV: XXX: IDC unlock retrying needed here? */
6285
6286                         /* Retry for IDC-unlock */
6287                         qla83xx_wait_logic();
6288                         retry++;
6289                         ql_dbg(ql_dbg_p3p, base_vha, 0xb064,
6290                             "Failed to release IDC lock, retrying=%d\n", retry);
6291                         goto retry_unlock;
6292                 }
6293         } else if (retry < 10) {
6294                 /* Retry for IDC-unlock */
6295                 qla83xx_wait_logic();
6296                 retry++;
6297                 ql_dbg(ql_dbg_p3p, base_vha, 0xb065,
6298                     "Failed to read drv-lockid, retrying=%d\n", retry);
6299                 goto retry_unlock;
6300         }
6301
6302         return;
6303
6304 #if 0
6305         /* XXX: IDC-unlock implementation using access-control mbx */
6306         retry = 0;
6307 retry_unlock2:
6308         if (qla83xx_access_control(base_vha, options, 0, 0, NULL)) {
6309                 if (retry < 10) {
6310                         /* Retry for IDC-unlock */
6311                         qla83xx_wait_logic();
6312                         retry++;
6313                         ql_dbg(ql_dbg_p3p, base_vha, 0xb066,
6314                             "Failed to release IDC lock, retrying=%d\n", retry);
6315                         goto retry_unlock2;
6316                 }
6317         }
6318
6319         return;
6320 #endif
6321 }
6322
6323 int
6324 __qla83xx_set_drv_presence(scsi_qla_host_t *vha)
6325 {
6326         int rval = QLA_SUCCESS;
6327         struct qla_hw_data *ha = vha->hw;
6328         uint32_t drv_presence;
6329
6330         rval = qla83xx_rd_reg(vha, QLA83XX_IDC_DRV_PRESENCE, &drv_presence);
6331         if (rval == QLA_SUCCESS) {
6332                 drv_presence |= (1 << ha->portnum);
6333                 rval = qla83xx_wr_reg(vha, QLA83XX_IDC_DRV_PRESENCE,
6334                     drv_presence);
6335         }
6336
6337         return rval;
6338 }
6339
6340 int
6341 qla83xx_set_drv_presence(scsi_qla_host_t *vha)
6342 {
6343         int rval = QLA_SUCCESS;
6344
6345         qla83xx_idc_lock(vha, 0);
6346         rval = __qla83xx_set_drv_presence(vha);
6347         qla83xx_idc_unlock(vha, 0);
6348
6349         return rval;
6350 }
6351
6352 int
6353 __qla83xx_clear_drv_presence(scsi_qla_host_t *vha)
6354 {
6355         int rval = QLA_SUCCESS;
6356         struct qla_hw_data *ha = vha->hw;
6357         uint32_t drv_presence;
6358
6359         rval = qla83xx_rd_reg(vha, QLA83XX_IDC_DRV_PRESENCE, &drv_presence);
6360         if (rval == QLA_SUCCESS) {
6361                 drv_presence &= ~(1 << ha->portnum);
6362                 rval = qla83xx_wr_reg(vha, QLA83XX_IDC_DRV_PRESENCE,
6363                     drv_presence);
6364         }
6365
6366         return rval;
6367 }
6368
6369 int
6370 qla83xx_clear_drv_presence(scsi_qla_host_t *vha)
6371 {
6372         int rval = QLA_SUCCESS;
6373
6374         qla83xx_idc_lock(vha, 0);
6375         rval = __qla83xx_clear_drv_presence(vha);
6376         qla83xx_idc_unlock(vha, 0);
6377
6378         return rval;
6379 }
6380
6381 static void
6382 qla83xx_need_reset_handler(scsi_qla_host_t *vha)
6383 {
6384         struct qla_hw_data *ha = vha->hw;
6385         uint32_t drv_ack, drv_presence;
6386         unsigned long ack_timeout;
6387
6388         /* Wait for IDC ACK from all functions (DRV-ACK == DRV-PRESENCE) */
6389         ack_timeout = jiffies + (ha->fcoe_reset_timeout * HZ);
6390         while (1) {
6391                 qla83xx_rd_reg(vha, QLA83XX_IDC_DRIVER_ACK, &drv_ack);
6392                 qla83xx_rd_reg(vha, QLA83XX_IDC_DRV_PRESENCE, &drv_presence);
6393                 if ((drv_ack & drv_presence) == drv_presence)
6394                         break;
6395
6396                 if (time_after_eq(jiffies, ack_timeout)) {
6397                         ql_log(ql_log_warn, vha, 0xb067,
6398                             "RESET ACK TIMEOUT! drv_presence=0x%x "
6399                             "drv_ack=0x%x\n", drv_presence, drv_ack);
6400                         /*
6401                          * The function(s) which did not ack in time are forced
6402                          * to withdraw any further participation in the IDC
6403                          * reset.
6404                          */
6405                         if (drv_ack != drv_presence)
6406                                 qla83xx_wr_reg(vha, QLA83XX_IDC_DRV_PRESENCE,
6407                                     drv_ack);
6408                         break;
6409                 }
6410
6411                 qla83xx_idc_unlock(vha, 0);
6412                 msleep(1000);
6413                 qla83xx_idc_lock(vha, 0);
6414         }
6415
6416         qla83xx_wr_reg(vha, QLA83XX_IDC_DEV_STATE, QLA8XXX_DEV_COLD);
6417         ql_log(ql_log_info, vha, 0xb068, "HW State: COLD/RE-INIT.\n");
6418 }
6419
6420 static int
6421 qla83xx_device_bootstrap(scsi_qla_host_t *vha)
6422 {
6423         int rval = QLA_SUCCESS;
6424         uint32_t idc_control;
6425
6426         qla83xx_wr_reg(vha, QLA83XX_IDC_DEV_STATE, QLA8XXX_DEV_INITIALIZING);
6427         ql_log(ql_log_info, vha, 0xb069, "HW State: INITIALIZING.\n");
6428
6429         /* Clearing IDC-Control Graceful-Reset Bit before resetting f/w */
6430         __qla83xx_get_idc_control(vha, &idc_control);
6431         idc_control &= ~QLA83XX_IDC_GRACEFUL_RESET;
6432         __qla83xx_set_idc_control(vha, 0);
6433
6434         qla83xx_idc_unlock(vha, 0);
6435         rval = qla83xx_restart_nic_firmware(vha);
6436         qla83xx_idc_lock(vha, 0);
6437
6438         if (rval != QLA_SUCCESS) {
6439                 ql_log(ql_log_fatal, vha, 0xb06a,
6440                     "Failed to restart NIC f/w.\n");
6441                 qla83xx_wr_reg(vha, QLA83XX_IDC_DEV_STATE, QLA8XXX_DEV_FAILED);
6442                 ql_log(ql_log_info, vha, 0xb06b, "HW State: FAILED.\n");
6443         } else {
6444                 ql_dbg(ql_dbg_p3p, vha, 0xb06c,
6445                     "Success in restarting nic f/w.\n");
6446                 qla83xx_wr_reg(vha, QLA83XX_IDC_DEV_STATE, QLA8XXX_DEV_READY);
6447                 ql_log(ql_log_info, vha, 0xb06d, "HW State: READY.\n");
6448         }
6449
6450         return rval;
6451 }
6452
6453 /* Assumes idc_lock always held on entry */
6454 int
6455 qla83xx_idc_state_handler(scsi_qla_host_t *base_vha)
6456 {
6457         struct qla_hw_data *ha = base_vha->hw;
6458         int rval = QLA_SUCCESS;
6459         unsigned long dev_init_timeout;
6460         uint32_t dev_state;
6461
6462         /* Wait for MAX-INIT-TIMEOUT for the device to go ready */
6463         dev_init_timeout = jiffies + (ha->fcoe_dev_init_timeout * HZ);
6464
6465         while (1) {
6466
6467                 if (time_after_eq(jiffies, dev_init_timeout)) {
6468                         ql_log(ql_log_warn, base_vha, 0xb06e,
6469                             "Initialization TIMEOUT!\n");
6470                         /* Init timeout. Disable further NIC Core
6471                          * communication.
6472                          */
6473                         qla83xx_wr_reg(base_vha, QLA83XX_IDC_DEV_STATE,
6474                                 QLA8XXX_DEV_FAILED);
6475                         ql_log(ql_log_info, base_vha, 0xb06f,
6476                             "HW State: FAILED.\n");
6477                 }
6478
6479                 qla83xx_rd_reg(base_vha, QLA83XX_IDC_DEV_STATE, &dev_state);
6480                 switch (dev_state) {
6481                 case QLA8XXX_DEV_READY:
6482                         if (ha->flags.nic_core_reset_owner)
6483                                 qla83xx_idc_audit(base_vha,
6484                                     IDC_AUDIT_COMPLETION);
6485                         ha->flags.nic_core_reset_owner = 0;
6486                         ql_dbg(ql_dbg_p3p, base_vha, 0xb070,
6487                             "Reset_owner reset by 0x%x.\n",
6488                             ha->portnum);
6489                         goto exit;
6490                 case QLA8XXX_DEV_COLD:
6491                         if (ha->flags.nic_core_reset_owner)
6492                                 rval = qla83xx_device_bootstrap(base_vha);
6493                         else {
6494                         /* Wait for AEN to change device-state */
6495                                 qla83xx_idc_unlock(base_vha, 0);
6496                                 msleep(1000);
6497                                 qla83xx_idc_lock(base_vha, 0);
6498                         }
6499                         break;
6500                 case QLA8XXX_DEV_INITIALIZING:
6501                         /* Wait for AEN to change device-state */
6502                         qla83xx_idc_unlock(base_vha, 0);
6503                         msleep(1000);
6504                         qla83xx_idc_lock(base_vha, 0);
6505                         break;
6506                 case QLA8XXX_DEV_NEED_RESET:
6507                         if (!ql2xdontresethba && ha->flags.nic_core_reset_owner)
6508                                 qla83xx_need_reset_handler(base_vha);
6509                         else {
6510                                 /* Wait for AEN to change device-state */
6511                                 qla83xx_idc_unlock(base_vha, 0);
6512                                 msleep(1000);
6513                                 qla83xx_idc_lock(base_vha, 0);
6514                         }
6515                         /* reset timeout value after need reset handler */
6516                         dev_init_timeout = jiffies +
6517                             (ha->fcoe_dev_init_timeout * HZ);
6518                         break;
6519                 case QLA8XXX_DEV_NEED_QUIESCENT:
6520                         /* XXX: DEBUG for now */
6521                         qla83xx_idc_unlock(base_vha, 0);
6522                         msleep(1000);
6523                         qla83xx_idc_lock(base_vha, 0);
6524                         break;
6525                 case QLA8XXX_DEV_QUIESCENT:
6526                         /* XXX: DEBUG for now */
6527                         if (ha->flags.quiesce_owner)
6528                                 goto exit;
6529
6530                         qla83xx_idc_unlock(base_vha, 0);
6531                         msleep(1000);
6532                         qla83xx_idc_lock(base_vha, 0);
6533                         dev_init_timeout = jiffies +
6534                             (ha->fcoe_dev_init_timeout * HZ);
6535                         break;
6536                 case QLA8XXX_DEV_FAILED:
6537                         if (ha->flags.nic_core_reset_owner)
6538                                 qla83xx_idc_audit(base_vha,
6539                                     IDC_AUDIT_COMPLETION);
6540                         ha->flags.nic_core_reset_owner = 0;
6541                         __qla83xx_clear_drv_presence(base_vha);
6542                         qla83xx_idc_unlock(base_vha, 0);
6543                         qla8xxx_dev_failed_handler(base_vha);
6544                         rval = QLA_FUNCTION_FAILED;
6545                         qla83xx_idc_lock(base_vha, 0);
6546                         goto exit;
6547                 case QLA8XXX_BAD_VALUE:
6548                         qla83xx_idc_unlock(base_vha, 0);
6549                         msleep(1000);
6550                         qla83xx_idc_lock(base_vha, 0);
6551                         break;
6552                 default:
6553                         ql_log(ql_log_warn, base_vha, 0xb071,
6554                             "Unknown Device State: %x.\n", dev_state);
6555                         qla83xx_idc_unlock(base_vha, 0);
6556                         qla8xxx_dev_failed_handler(base_vha);
6557                         rval = QLA_FUNCTION_FAILED;
6558                         qla83xx_idc_lock(base_vha, 0);
6559                         goto exit;
6560                 }
6561         }
6562
6563 exit:
6564         return rval;
6565 }
6566
6567 void
6568 qla2x00_disable_board_on_pci_error(struct work_struct *work)
6569 {
6570         struct qla_hw_data *ha = container_of(work, struct qla_hw_data,
6571             board_disable);
6572         struct pci_dev *pdev = ha->pdev;
6573         scsi_qla_host_t *base_vha = pci_get_drvdata(ha->pdev);
6574
6575         ql_log(ql_log_warn, base_vha, 0x015b,
6576             "Disabling adapter.\n");
6577
6578         if (!atomic_read(&pdev->enable_cnt)) {
6579                 ql_log(ql_log_info, base_vha, 0xfffc,
6580                     "PCI device disabled, no action req for PCI error=%lx\n",
6581                     base_vha->pci_flags);
6582                 return;
6583         }
6584
6585         /*
6586          * if UNLOADING flag is already set, then continue unload,
6587          * where it was set first.
6588          */
6589         if (test_and_set_bit(UNLOADING, &base_vha->dpc_flags))
6590                 return;
6591
6592         qla2x00_wait_for_sess_deletion(base_vha);
6593
6594         qla2x00_delete_all_vps(ha, base_vha);
6595
6596         qla2x00_abort_all_cmds(base_vha, DID_NO_CONNECT << 16);
6597
6598         qla2x00_dfs_remove(base_vha);
6599
6600         qla84xx_put_chip(base_vha);
6601
6602         if (base_vha->timer_active)
6603                 qla2x00_stop_timer(base_vha);
6604
6605         base_vha->flags.online = 0;
6606
6607         qla2x00_destroy_deferred_work(ha);
6608
6609         /*
6610          * Do not try to stop beacon blink as it will issue a mailbox
6611          * command.
6612          */
6613         qla2x00_free_sysfs_attr(base_vha, false);
6614
6615         fc_remove_host(base_vha->host);
6616
6617         scsi_remove_host(base_vha->host);
6618
6619         base_vha->flags.init_done = 0;
6620         qla25xx_delete_queues(base_vha);
6621         qla2x00_free_fcports(base_vha);
6622         qla2x00_free_irqs(base_vha);
6623         qla2x00_mem_free(ha);
6624         qla82xx_md_free(base_vha);
6625         qla2x00_free_queues(ha);
6626
6627         qla2x00_unmap_iobases(ha);
6628
6629         pci_release_selected_regions(ha->pdev, ha->bars);
6630         pci_disable_pcie_error_reporting(pdev);
6631         pci_disable_device(pdev);
6632
6633         /*
6634          * Let qla2x00_remove_one cleanup qla_hw_data on device removal.
6635          */
6636 }
6637
6638 /**************************************************************************
6639 * qla2x00_do_dpc
6640 *   This kernel thread is a task that is schedule by the interrupt handler
6641 *   to perform the background processing for interrupts.
6642 *
6643 * Notes:
6644 * This task always run in the context of a kernel thread.  It
6645 * is kick-off by the driver's detect code and starts up
6646 * up one per adapter. It immediately goes to sleep and waits for
6647 * some fibre event.  When either the interrupt handler or
6648 * the timer routine detects a event it will one of the task
6649 * bits then wake us up.
6650 **************************************************************************/
6651 static int
6652 qla2x00_do_dpc(void *data)
6653 {
6654         scsi_qla_host_t *base_vha;
6655         struct qla_hw_data *ha;
6656         uint32_t online;
6657         struct qla_qpair *qpair;
6658
6659         ha = (struct qla_hw_data *)data;
6660         base_vha = pci_get_drvdata(ha->pdev);
6661
6662         set_user_nice(current, MIN_NICE);
6663
6664         set_current_state(TASK_INTERRUPTIBLE);
6665         while (!kthread_should_stop()) {
6666                 ql_dbg(ql_dbg_dpc, base_vha, 0x4000,
6667                     "DPC handler sleeping.\n");
6668
6669                 schedule();
6670
6671                 if (!base_vha->flags.init_done || ha->flags.mbox_busy)
6672                         goto end_loop;
6673
6674                 if (ha->flags.eeh_busy) {
6675                         ql_dbg(ql_dbg_dpc, base_vha, 0x4003,
6676                             "eeh_busy=%d.\n", ha->flags.eeh_busy);
6677                         goto end_loop;
6678                 }
6679
6680                 ha->dpc_active = 1;
6681
6682                 ql_dbg(ql_dbg_dpc + ql_dbg_verbose, base_vha, 0x4001,
6683                     "DPC handler waking up, dpc_flags=0x%lx.\n",
6684                     base_vha->dpc_flags);
6685
6686                 if (test_bit(UNLOADING, &base_vha->dpc_flags))
6687                         break;
6688
6689                 if (IS_P3P_TYPE(ha)) {
6690                         if (IS_QLA8044(ha)) {
6691                                 if (test_and_clear_bit(ISP_UNRECOVERABLE,
6692                                         &base_vha->dpc_flags)) {
6693                                         qla8044_idc_lock(ha);
6694                                         qla8044_wr_direct(base_vha,
6695                                                 QLA8044_CRB_DEV_STATE_INDEX,
6696                                                 QLA8XXX_DEV_FAILED);
6697                                         qla8044_idc_unlock(ha);
6698                                         ql_log(ql_log_info, base_vha, 0x4004,
6699                                                 "HW State: FAILED.\n");
6700                                         qla8044_device_state_handler(base_vha);
6701                                         continue;
6702                                 }
6703
6704                         } else {
6705                                 if (test_and_clear_bit(ISP_UNRECOVERABLE,
6706                                         &base_vha->dpc_flags)) {
6707                                         qla82xx_idc_lock(ha);
6708                                         qla82xx_wr_32(ha, QLA82XX_CRB_DEV_STATE,
6709                                                 QLA8XXX_DEV_FAILED);
6710                                         qla82xx_idc_unlock(ha);
6711                                         ql_log(ql_log_info, base_vha, 0x0151,
6712                                                 "HW State: FAILED.\n");
6713                                         qla82xx_device_state_handler(base_vha);
6714                                         continue;
6715                                 }
6716                         }
6717
6718                         if (test_and_clear_bit(FCOE_CTX_RESET_NEEDED,
6719                                 &base_vha->dpc_flags)) {
6720
6721                                 ql_dbg(ql_dbg_dpc, base_vha, 0x4005,
6722                                     "FCoE context reset scheduled.\n");
6723                                 if (!(test_and_set_bit(ABORT_ISP_ACTIVE,
6724                                         &base_vha->dpc_flags))) {
6725                                         if (qla82xx_fcoe_ctx_reset(base_vha)) {
6726                                                 /* FCoE-ctx reset failed.
6727                                                  * Escalate to chip-reset
6728                                                  */
6729                                                 set_bit(ISP_ABORT_NEEDED,
6730                                                         &base_vha->dpc_flags);
6731                                         }
6732                                         clear_bit(ABORT_ISP_ACTIVE,
6733                                                 &base_vha->dpc_flags);
6734                                 }
6735
6736                                 ql_dbg(ql_dbg_dpc, base_vha, 0x4006,
6737                                     "FCoE context reset end.\n");
6738                         }
6739                 } else if (IS_QLAFX00(ha)) {
6740                         if (test_and_clear_bit(ISP_UNRECOVERABLE,
6741                                 &base_vha->dpc_flags)) {
6742                                 ql_dbg(ql_dbg_dpc, base_vha, 0x4020,
6743                                     "Firmware Reset Recovery\n");
6744                                 if (qlafx00_reset_initialize(base_vha)) {
6745                                         /* Failed. Abort isp later. */
6746                                         if (!test_bit(UNLOADING,
6747                                             &base_vha->dpc_flags)) {
6748                                                 set_bit(ISP_UNRECOVERABLE,
6749                                                     &base_vha->dpc_flags);
6750                                                 ql_dbg(ql_dbg_dpc, base_vha,
6751                                                     0x4021,
6752                                                     "Reset Recovery Failed\n");
6753                                         }
6754                                 }
6755                         }
6756
6757                         if (test_and_clear_bit(FX00_TARGET_SCAN,
6758                                 &base_vha->dpc_flags)) {
6759                                 ql_dbg(ql_dbg_dpc, base_vha, 0x4022,
6760                                     "ISPFx00 Target Scan scheduled\n");
6761                                 if (qlafx00_rescan_isp(base_vha)) {
6762                                         if (!test_bit(UNLOADING,
6763                                             &base_vha->dpc_flags))
6764                                                 set_bit(ISP_UNRECOVERABLE,
6765                                                     &base_vha->dpc_flags);
6766                                         ql_dbg(ql_dbg_dpc, base_vha, 0x401e,
6767                                             "ISPFx00 Target Scan Failed\n");
6768                                 }
6769                                 ql_dbg(ql_dbg_dpc, base_vha, 0x401f,
6770                                     "ISPFx00 Target Scan End\n");
6771                         }
6772                         if (test_and_clear_bit(FX00_HOST_INFO_RESEND,
6773                                 &base_vha->dpc_flags)) {
6774                                 ql_dbg(ql_dbg_dpc, base_vha, 0x4023,
6775                                     "ISPFx00 Host Info resend scheduled\n");
6776                                 qlafx00_fx_disc(base_vha,
6777                                     &base_vha->hw->mr.fcport,
6778                                     FXDISC_REG_HOST_INFO);
6779                         }
6780                 }
6781
6782                 if (test_and_clear_bit(DETECT_SFP_CHANGE,
6783                     &base_vha->dpc_flags)) {
6784                         /* Semantic:
6785                          *  - NO-OP -- await next ISP-ABORT. Preferred method
6786                          *             to minimize disruptions that will occur
6787                          *             when a forced chip-reset occurs.
6788                          *  - Force -- ISP-ABORT scheduled.
6789                          */
6790                         /* set_bit(ISP_ABORT_NEEDED, &base_vha->dpc_flags); */
6791                 }
6792
6793                 if (test_and_clear_bit
6794                     (ISP_ABORT_NEEDED, &base_vha->dpc_flags) &&
6795                     !test_bit(UNLOADING, &base_vha->dpc_flags)) {
6796                         bool do_reset = true;
6797
6798                         switch (base_vha->qlini_mode) {
6799                         case QLA2XXX_INI_MODE_ENABLED:
6800                                 break;
6801                         case QLA2XXX_INI_MODE_DISABLED:
6802                                 if (!qla_tgt_mode_enabled(base_vha) &&
6803                                     !ha->flags.fw_started)
6804                                         do_reset = false;
6805                                 break;
6806                         case QLA2XXX_INI_MODE_DUAL:
6807                                 if (!qla_dual_mode_enabled(base_vha) &&
6808                                     !ha->flags.fw_started)
6809                                         do_reset = false;
6810                                 break;
6811                         default:
6812                                 break;
6813                         }
6814
6815                         if (do_reset && !(test_and_set_bit(ABORT_ISP_ACTIVE,
6816                             &base_vha->dpc_flags))) {
6817                                 base_vha->flags.online = 1;
6818                                 ql_dbg(ql_dbg_dpc, base_vha, 0x4007,
6819                                     "ISP abort scheduled.\n");
6820                                 if (ha->isp_ops->abort_isp(base_vha)) {
6821                                         /* failed. retry later */
6822                                         set_bit(ISP_ABORT_NEEDED,
6823                                             &base_vha->dpc_flags);
6824                                 }
6825                                 clear_bit(ABORT_ISP_ACTIVE,
6826                                                 &base_vha->dpc_flags);
6827                                 ql_dbg(ql_dbg_dpc, base_vha, 0x4008,
6828                                     "ISP abort end.\n");
6829                         }
6830                 }
6831
6832                 if (test_bit(PROCESS_PUREX_IOCB, &base_vha->dpc_flags)) {
6833                         if (atomic_read(&base_vha->loop_state) == LOOP_READY) {
6834                                 qla24xx_process_purex_list
6835                                         (&base_vha->purex_list);
6836                                 clear_bit(PROCESS_PUREX_IOCB,
6837                                     &base_vha->dpc_flags);
6838                         }
6839                 }
6840
6841                 if (test_and_clear_bit(FCPORT_UPDATE_NEEDED,
6842                     &base_vha->dpc_flags)) {
6843                         qla2x00_update_fcports(base_vha);
6844                 }
6845
6846                 if (IS_QLAFX00(ha))
6847                         goto loop_resync_check;
6848
6849                 if (test_bit(ISP_QUIESCE_NEEDED, &base_vha->dpc_flags)) {
6850                         ql_dbg(ql_dbg_dpc, base_vha, 0x4009,
6851                             "Quiescence mode scheduled.\n");
6852                         if (IS_P3P_TYPE(ha)) {
6853                                 if (IS_QLA82XX(ha))
6854                                         qla82xx_device_state_handler(base_vha);
6855                                 if (IS_QLA8044(ha))
6856                                         qla8044_device_state_handler(base_vha);
6857                                 clear_bit(ISP_QUIESCE_NEEDED,
6858                                     &base_vha->dpc_flags);
6859                                 if (!ha->flags.quiesce_owner) {
6860                                         qla2x00_perform_loop_resync(base_vha);
6861                                         if (IS_QLA82XX(ha)) {
6862                                                 qla82xx_idc_lock(ha);
6863                                                 qla82xx_clear_qsnt_ready(
6864                                                     base_vha);
6865                                                 qla82xx_idc_unlock(ha);
6866                                         } else if (IS_QLA8044(ha)) {
6867                                                 qla8044_idc_lock(ha);
6868                                                 qla8044_clear_qsnt_ready(
6869                                                     base_vha);
6870                                                 qla8044_idc_unlock(ha);
6871                                         }
6872                                 }
6873                         } else {
6874                                 clear_bit(ISP_QUIESCE_NEEDED,
6875                                     &base_vha->dpc_flags);
6876                                 qla2x00_quiesce_io(base_vha);
6877                         }
6878                         ql_dbg(ql_dbg_dpc, base_vha, 0x400a,
6879                             "Quiescence mode end.\n");
6880                 }
6881
6882                 if (test_and_clear_bit(RESET_MARKER_NEEDED,
6883                                 &base_vha->dpc_flags) &&
6884                     (!(test_and_set_bit(RESET_ACTIVE, &base_vha->dpc_flags)))) {
6885
6886                         ql_dbg(ql_dbg_dpc, base_vha, 0x400b,
6887                             "Reset marker scheduled.\n");
6888                         qla2x00_rst_aen(base_vha);
6889                         clear_bit(RESET_ACTIVE, &base_vha->dpc_flags);
6890                         ql_dbg(ql_dbg_dpc, base_vha, 0x400c,
6891                             "Reset marker end.\n");
6892                 }
6893
6894                 /* Retry each device up to login retry count */
6895                 if (test_bit(RELOGIN_NEEDED, &base_vha->dpc_flags) &&
6896                     !test_bit(LOOP_RESYNC_NEEDED, &base_vha->dpc_flags) &&
6897                     atomic_read(&base_vha->loop_state) != LOOP_DOWN) {
6898
6899                         if (!base_vha->relogin_jif ||
6900                             time_after_eq(jiffies, base_vha->relogin_jif)) {
6901                                 base_vha->relogin_jif = jiffies + HZ;
6902                                 clear_bit(RELOGIN_NEEDED, &base_vha->dpc_flags);
6903
6904                                 ql_dbg(ql_dbg_disc, base_vha, 0x400d,
6905                                     "Relogin scheduled.\n");
6906                                 qla24xx_post_relogin_work(base_vha);
6907                         }
6908                 }
6909 loop_resync_check:
6910                 if (test_and_clear_bit(LOOP_RESYNC_NEEDED,
6911                     &base_vha->dpc_flags)) {
6912
6913                         ql_dbg(ql_dbg_dpc, base_vha, 0x400f,
6914                             "Loop resync scheduled.\n");
6915
6916                         if (!(test_and_set_bit(LOOP_RESYNC_ACTIVE,
6917                             &base_vha->dpc_flags))) {
6918
6919                                 qla2x00_loop_resync(base_vha);
6920
6921                                 clear_bit(LOOP_RESYNC_ACTIVE,
6922                                                 &base_vha->dpc_flags);
6923                         }
6924
6925                         ql_dbg(ql_dbg_dpc, base_vha, 0x4010,
6926                             "Loop resync end.\n");
6927                 }
6928
6929                 if (IS_QLAFX00(ha))
6930                         goto intr_on_check;
6931
6932                 if (test_bit(NPIV_CONFIG_NEEDED, &base_vha->dpc_flags) &&
6933                     atomic_read(&base_vha->loop_state) == LOOP_READY) {
6934                         clear_bit(NPIV_CONFIG_NEEDED, &base_vha->dpc_flags);
6935                         qla2xxx_flash_npiv_conf(base_vha);
6936                 }
6937
6938 intr_on_check:
6939                 if (!ha->interrupts_on)
6940                         ha->isp_ops->enable_intrs(ha);
6941
6942                 if (test_and_clear_bit(BEACON_BLINK_NEEDED,
6943                                         &base_vha->dpc_flags)) {
6944                         if (ha->beacon_blink_led == 1)
6945                                 ha->isp_ops->beacon_blink(base_vha);
6946                 }
6947
6948                 /* qpair online check */
6949                 if (test_and_clear_bit(QPAIR_ONLINE_CHECK_NEEDED,
6950                     &base_vha->dpc_flags)) {
6951                         if (ha->flags.eeh_busy ||
6952                             ha->flags.pci_channel_io_perm_failure)
6953                                 online = 0;
6954                         else
6955                                 online = 1;
6956
6957                         mutex_lock(&ha->mq_lock);
6958                         list_for_each_entry(qpair, &base_vha->qp_list,
6959                             qp_list_elem)
6960                         qpair->online = online;
6961                         mutex_unlock(&ha->mq_lock);
6962                 }
6963
6964                 if (test_and_clear_bit(SET_NVME_ZIO_THRESHOLD_NEEDED,
6965                     &base_vha->dpc_flags)) {
6966                         ql_log(ql_log_info, base_vha, 0xffffff,
6967                                 "nvme: SET ZIO Activity exchange threshold to %d.\n",
6968                                                 ha->nvme_last_rptd_aen);
6969                         if (qla27xx_set_zio_threshold(base_vha,
6970                             ha->nvme_last_rptd_aen)) {
6971                                 ql_log(ql_log_info, base_vha, 0xffffff,
6972                                     "nvme: Unable to SET ZIO Activity exchange threshold to %d.\n",
6973                                     ha->nvme_last_rptd_aen);
6974                         }
6975                 }
6976
6977                 if (test_and_clear_bit(SET_ZIO_THRESHOLD_NEEDED,
6978                     &base_vha->dpc_flags)) {
6979                         ql_log(ql_log_info, base_vha, 0xffffff,
6980                             "SET ZIO Activity exchange threshold to %d.\n",
6981                             ha->last_zio_threshold);
6982                         qla27xx_set_zio_threshold(base_vha,
6983                             ha->last_zio_threshold);
6984                 }
6985
6986                 if (!IS_QLAFX00(ha))
6987                         qla2x00_do_dpc_all_vps(base_vha);
6988
6989                 if (test_and_clear_bit(N2N_LINK_RESET,
6990                         &base_vha->dpc_flags)) {
6991                         qla2x00_lip_reset(base_vha);
6992                 }
6993
6994                 ha->dpc_active = 0;
6995 end_loop:
6996                 set_current_state(TASK_INTERRUPTIBLE);
6997         } /* End of while(1) */
6998         __set_current_state(TASK_RUNNING);
6999
7000         ql_dbg(ql_dbg_dpc, base_vha, 0x4011,
7001             "DPC handler exiting.\n");
7002
7003         /*
7004          * Make sure that nobody tries to wake us up again.
7005          */
7006         ha->dpc_active = 0;
7007
7008         /* Cleanup any residual CTX SRBs. */
7009         qla2x00_abort_all_cmds(base_vha, DID_NO_CONNECT << 16);
7010
7011         return 0;
7012 }
7013
7014 void
7015 qla2xxx_wake_dpc(struct scsi_qla_host *vha)
7016 {
7017         struct qla_hw_data *ha = vha->hw;
7018         struct task_struct *t = ha->dpc_thread;
7019
7020         if (!test_bit(UNLOADING, &vha->dpc_flags) && t)
7021                 wake_up_process(t);
7022 }
7023
7024 /*
7025 *  qla2x00_rst_aen
7026 *      Processes asynchronous reset.
7027 *
7028 * Input:
7029 *      ha  = adapter block pointer.
7030 */
7031 static void
7032 qla2x00_rst_aen(scsi_qla_host_t *vha)
7033 {
7034         if (vha->flags.online && !vha->flags.reset_active &&
7035             !atomic_read(&vha->loop_down_timer) &&
7036             !(test_bit(ABORT_ISP_ACTIVE, &vha->dpc_flags))) {
7037                 do {
7038                         clear_bit(RESET_MARKER_NEEDED, &vha->dpc_flags);
7039
7040                         /*
7041                          * Issue marker command only when we are going to start
7042                          * the I/O.
7043                          */
7044                         vha->marker_needed = 1;
7045                 } while (!atomic_read(&vha->loop_down_timer) &&
7046                     (test_bit(RESET_MARKER_NEEDED, &vha->dpc_flags)));
7047         }
7048 }
7049
7050 /**************************************************************************
7051 *   qla2x00_timer
7052 *
7053 * Description:
7054 *   One second timer
7055 *
7056 * Context: Interrupt
7057 ***************************************************************************/
7058 void
7059 qla2x00_timer(struct timer_list *t)
7060 {
7061         scsi_qla_host_t *vha = from_timer(vha, t, timer);
7062         unsigned long   cpu_flags = 0;
7063         int             start_dpc = 0;
7064         int             index;
7065         srb_t           *sp;
7066         uint16_t        w;
7067         struct qla_hw_data *ha = vha->hw;
7068         struct req_que *req;
7069
7070         if (ha->flags.eeh_busy) {
7071                 ql_dbg(ql_dbg_timer, vha, 0x6000,
7072                     "EEH = %d, restarting timer.\n",
7073                     ha->flags.eeh_busy);
7074                 qla2x00_restart_timer(vha, WATCH_INTERVAL);
7075                 return;
7076         }
7077
7078         /*
7079          * Hardware read to raise pending EEH errors during mailbox waits. If
7080          * the read returns -1 then disable the board.
7081          */
7082         if (!pci_channel_offline(ha->pdev)) {
7083                 pci_read_config_word(ha->pdev, PCI_VENDOR_ID, &w);
7084                 qla2x00_check_reg16_for_disconnect(vha, w);
7085         }
7086
7087         /* Make sure qla82xx_watchdog is run only for physical port */
7088         if (!vha->vp_idx && IS_P3P_TYPE(ha)) {
7089                 if (test_bit(ISP_QUIESCE_NEEDED, &vha->dpc_flags))
7090                         start_dpc++;
7091                 if (IS_QLA82XX(ha))
7092                         qla82xx_watchdog(vha);
7093                 else if (IS_QLA8044(ha))
7094                         qla8044_watchdog(vha);
7095         }
7096
7097         if (!vha->vp_idx && IS_QLAFX00(ha))
7098                 qlafx00_timer_routine(vha);
7099
7100         /* Loop down handler. */
7101         if (atomic_read(&vha->loop_down_timer) > 0 &&
7102             !(test_bit(ABORT_ISP_ACTIVE, &vha->dpc_flags)) &&
7103             !(test_bit(FCOE_CTX_RESET_NEEDED, &vha->dpc_flags))
7104                 && vha->flags.online) {
7105
7106                 if (atomic_read(&vha->loop_down_timer) ==
7107                     vha->loop_down_abort_time) {
7108
7109                         ql_log(ql_log_info, vha, 0x6008,
7110                             "Loop down - aborting the queues before time expires.\n");
7111
7112                         if (!IS_QLA2100(ha) && vha->link_down_timeout)
7113                                 atomic_set(&vha->loop_state, LOOP_DEAD);
7114
7115                         /*
7116                          * Schedule an ISP abort to return any FCP2-device
7117                          * commands.
7118                          */
7119                         /* NPIV - scan physical port only */
7120                         if (!vha->vp_idx) {
7121                                 spin_lock_irqsave(&ha->hardware_lock,
7122                                     cpu_flags);
7123                                 req = ha->req_q_map[0];
7124                                 for (index = 1;
7125                                     index < req->num_outstanding_cmds;
7126                                     index++) {
7127                                         fc_port_t *sfcp;
7128
7129                                         sp = req->outstanding_cmds[index];
7130                                         if (!sp)
7131                                                 continue;
7132                                         if (sp->cmd_type != TYPE_SRB)
7133                                                 continue;
7134                                         if (sp->type != SRB_SCSI_CMD)
7135                                                 continue;
7136                                         sfcp = sp->fcport;
7137                                         if (!(sfcp->flags & FCF_FCP2_DEVICE))
7138                                                 continue;
7139
7140                                         if (IS_QLA82XX(ha))
7141                                                 set_bit(FCOE_CTX_RESET_NEEDED,
7142                                                         &vha->dpc_flags);
7143                                         else
7144                                                 set_bit(ISP_ABORT_NEEDED,
7145                                                         &vha->dpc_flags);
7146                                         break;
7147                                 }
7148                                 spin_unlock_irqrestore(&ha->hardware_lock,
7149                                                                 cpu_flags);
7150                         }
7151                         start_dpc++;
7152                 }
7153
7154                 /* if the loop has been down for 4 minutes, reinit adapter */
7155                 if (atomic_dec_and_test(&vha->loop_down_timer) != 0) {
7156                         if (!(vha->device_flags & DFLG_NO_CABLE)) {
7157                                 ql_log(ql_log_warn, vha, 0x6009,
7158                                     "Loop down - aborting ISP.\n");
7159
7160                                 if (IS_QLA82XX(ha))
7161                                         set_bit(FCOE_CTX_RESET_NEEDED,
7162                                                 &vha->dpc_flags);
7163                                 else
7164                                         set_bit(ISP_ABORT_NEEDED,
7165                                                 &vha->dpc_flags);
7166                         }
7167                 }
7168                 ql_dbg(ql_dbg_timer, vha, 0x600a,
7169                     "Loop down - seconds remaining %d.\n",
7170                     atomic_read(&vha->loop_down_timer));
7171         }
7172         /* Check if beacon LED needs to be blinked for physical host only */
7173         if (!vha->vp_idx && (ha->beacon_blink_led == 1)) {
7174                 /* There is no beacon_blink function for ISP82xx */
7175                 if (!IS_P3P_TYPE(ha)) {
7176                         set_bit(BEACON_BLINK_NEEDED, &vha->dpc_flags);
7177                         start_dpc++;
7178                 }
7179         }
7180
7181         /* Process any deferred work. */
7182         if (!list_empty(&vha->work_list)) {
7183                 unsigned long flags;
7184                 bool q = false;
7185
7186                 spin_lock_irqsave(&vha->work_lock, flags);
7187                 if (!test_and_set_bit(IOCB_WORK_ACTIVE, &vha->dpc_flags))
7188                         q = true;
7189                 spin_unlock_irqrestore(&vha->work_lock, flags);
7190                 if (q)
7191                         queue_work(vha->hw->wq, &vha->iocb_work);
7192         }
7193
7194         /*
7195          * FC-NVME
7196          * see if the active AEN count has changed from what was last reported.
7197          */
7198         index = atomic_read(&ha->nvme_active_aen_cnt);
7199         if (!vha->vp_idx &&
7200             (index != ha->nvme_last_rptd_aen) &&
7201             (index >= DEFAULT_ZIO_THRESHOLD) &&
7202             ha->zio_mode == QLA_ZIO_MODE_6 &&
7203             !ha->flags.host_shutting_down) {
7204                 ql_log(ql_log_info, vha, 0x3002,
7205                     "nvme: Sched: Set ZIO exchange threshold to %d.\n",
7206                     ha->nvme_last_rptd_aen);
7207                 ha->nvme_last_rptd_aen = atomic_read(&ha->nvme_active_aen_cnt);
7208                 set_bit(SET_NVME_ZIO_THRESHOLD_NEEDED, &vha->dpc_flags);
7209                 start_dpc++;
7210         }
7211
7212         if (!vha->vp_idx &&
7213             atomic_read(&ha->zio_threshold) != ha->last_zio_threshold &&
7214             IS_ZIO_THRESHOLD_CAPABLE(ha)) {
7215                 ql_log(ql_log_info, vha, 0x3002,
7216                     "Sched: Set ZIO exchange threshold to %d.\n",
7217                     ha->last_zio_threshold);
7218                 ha->last_zio_threshold = atomic_read(&ha->zio_threshold);
7219                 set_bit(SET_ZIO_THRESHOLD_NEEDED, &vha->dpc_flags);
7220                 start_dpc++;
7221         }
7222
7223         /* Schedule the DPC routine if needed */
7224         if ((test_bit(ISP_ABORT_NEEDED, &vha->dpc_flags) ||
7225             test_bit(LOOP_RESYNC_NEEDED, &vha->dpc_flags) ||
7226             test_bit(FCPORT_UPDATE_NEEDED, &vha->dpc_flags) ||
7227             start_dpc ||
7228             test_bit(RESET_MARKER_NEEDED, &vha->dpc_flags) ||
7229             test_bit(BEACON_BLINK_NEEDED, &vha->dpc_flags) ||
7230             test_bit(ISP_UNRECOVERABLE, &vha->dpc_flags) ||
7231             test_bit(FCOE_CTX_RESET_NEEDED, &vha->dpc_flags) ||
7232             test_bit(VP_DPC_NEEDED, &vha->dpc_flags) ||
7233             test_bit(RELOGIN_NEEDED, &vha->dpc_flags) ||
7234             test_bit(PROCESS_PUREX_IOCB, &vha->dpc_flags))) {
7235                 ql_dbg(ql_dbg_timer, vha, 0x600b,
7236                     "isp_abort_needed=%d loop_resync_needed=%d "
7237                     "fcport_update_needed=%d start_dpc=%d "
7238                     "reset_marker_needed=%d",
7239                     test_bit(ISP_ABORT_NEEDED, &vha->dpc_flags),
7240                     test_bit(LOOP_RESYNC_NEEDED, &vha->dpc_flags),
7241                     test_bit(FCPORT_UPDATE_NEEDED, &vha->dpc_flags),
7242                     start_dpc,
7243                     test_bit(RESET_MARKER_NEEDED, &vha->dpc_flags));
7244                 ql_dbg(ql_dbg_timer, vha, 0x600c,
7245                     "beacon_blink_needed=%d isp_unrecoverable=%d "
7246                     "fcoe_ctx_reset_needed=%d vp_dpc_needed=%d "
7247                     "relogin_needed=%d, Process_purex_iocb=%d.\n",
7248                     test_bit(BEACON_BLINK_NEEDED, &vha->dpc_flags),
7249                     test_bit(ISP_UNRECOVERABLE, &vha->dpc_flags),
7250                     test_bit(FCOE_CTX_RESET_NEEDED, &vha->dpc_flags),
7251                     test_bit(VP_DPC_NEEDED, &vha->dpc_flags),
7252                     test_bit(RELOGIN_NEEDED, &vha->dpc_flags),
7253                     test_bit(PROCESS_PUREX_IOCB, &vha->dpc_flags));
7254                 qla2xxx_wake_dpc(vha);
7255         }
7256
7257         qla2x00_restart_timer(vha, WATCH_INTERVAL);
7258 }
7259
7260 /* Firmware interface routines. */
7261
7262 #define FW_ISP21XX      0
7263 #define FW_ISP22XX      1
7264 #define FW_ISP2300      2
7265 #define FW_ISP2322      3
7266 #define FW_ISP24XX      4
7267 #define FW_ISP25XX      5
7268 #define FW_ISP81XX      6
7269 #define FW_ISP82XX      7
7270 #define FW_ISP2031      8
7271 #define FW_ISP8031      9
7272 #define FW_ISP27XX      10
7273 #define FW_ISP28XX      11
7274
7275 #define FW_FILE_ISP21XX "ql2100_fw.bin"
7276 #define FW_FILE_ISP22XX "ql2200_fw.bin"
7277 #define FW_FILE_ISP2300 "ql2300_fw.bin"
7278 #define FW_FILE_ISP2322 "ql2322_fw.bin"
7279 #define FW_FILE_ISP24XX "ql2400_fw.bin"
7280 #define FW_FILE_ISP25XX "ql2500_fw.bin"
7281 #define FW_FILE_ISP81XX "ql8100_fw.bin"
7282 #define FW_FILE_ISP82XX "ql8200_fw.bin"
7283 #define FW_FILE_ISP2031 "ql2600_fw.bin"
7284 #define FW_FILE_ISP8031 "ql8300_fw.bin"
7285 #define FW_FILE_ISP27XX "ql2700_fw.bin"
7286 #define FW_FILE_ISP28XX "ql2800_fw.bin"
7287
7288
7289 static DEFINE_MUTEX(qla_fw_lock);
7290
7291 static struct fw_blob qla_fw_blobs[] = {
7292         { .name = FW_FILE_ISP21XX, .segs = { 0x1000, 0 }, },
7293         { .name = FW_FILE_ISP22XX, .segs = { 0x1000, 0 }, },
7294         { .name = FW_FILE_ISP2300, .segs = { 0x800, 0 }, },
7295         { .name = FW_FILE_ISP2322, .segs = { 0x800, 0x1c000, 0x1e000, 0 }, },
7296         { .name = FW_FILE_ISP24XX, },
7297         { .name = FW_FILE_ISP25XX, },
7298         { .name = FW_FILE_ISP81XX, },
7299         { .name = FW_FILE_ISP82XX, },
7300         { .name = FW_FILE_ISP2031, },
7301         { .name = FW_FILE_ISP8031, },
7302         { .name = FW_FILE_ISP27XX, },
7303         { .name = FW_FILE_ISP28XX, },
7304         { .name = NULL, },
7305 };
7306
7307 struct fw_blob *
7308 qla2x00_request_firmware(scsi_qla_host_t *vha)
7309 {
7310         struct qla_hw_data *ha = vha->hw;
7311         struct fw_blob *blob;
7312
7313         if (IS_QLA2100(ha)) {
7314                 blob = &qla_fw_blobs[FW_ISP21XX];
7315         } else if (IS_QLA2200(ha)) {
7316                 blob = &qla_fw_blobs[FW_ISP22XX];
7317         } else if (IS_QLA2300(ha) || IS_QLA2312(ha) || IS_QLA6312(ha)) {
7318                 blob = &qla_fw_blobs[FW_ISP2300];
7319         } else if (IS_QLA2322(ha) || IS_QLA6322(ha)) {
7320                 blob = &qla_fw_blobs[FW_ISP2322];
7321         } else if (IS_QLA24XX_TYPE(ha)) {
7322                 blob = &qla_fw_blobs[FW_ISP24XX];
7323         } else if (IS_QLA25XX(ha)) {
7324                 blob = &qla_fw_blobs[FW_ISP25XX];
7325         } else if (IS_QLA81XX(ha)) {
7326                 blob = &qla_fw_blobs[FW_ISP81XX];
7327         } else if (IS_QLA82XX(ha)) {
7328                 blob = &qla_fw_blobs[FW_ISP82XX];
7329         } else if (IS_QLA2031(ha)) {
7330                 blob = &qla_fw_blobs[FW_ISP2031];
7331         } else if (IS_QLA8031(ha)) {
7332                 blob = &qla_fw_blobs[FW_ISP8031];
7333         } else if (IS_QLA27XX(ha)) {
7334                 blob = &qla_fw_blobs[FW_ISP27XX];
7335         } else if (IS_QLA28XX(ha)) {
7336                 blob = &qla_fw_blobs[FW_ISP28XX];
7337         } else {
7338                 return NULL;
7339         }
7340
7341         if (!blob->name)
7342                 return NULL;
7343
7344         mutex_lock(&qla_fw_lock);
7345         if (blob->fw)
7346                 goto out;
7347
7348         if (request_firmware(&blob->fw, blob->name, &ha->pdev->dev)) {
7349                 ql_log(ql_log_warn, vha, 0x0063,
7350                     "Failed to load firmware image (%s).\n", blob->name);
7351                 blob->fw = NULL;
7352                 blob = NULL;
7353         }
7354
7355 out:
7356         mutex_unlock(&qla_fw_lock);
7357         return blob;
7358 }
7359
7360 static void
7361 qla2x00_release_firmware(void)
7362 {
7363         struct fw_blob *blob;
7364
7365         mutex_lock(&qla_fw_lock);
7366         for (blob = qla_fw_blobs; blob->name; blob++)
7367                 release_firmware(blob->fw);
7368         mutex_unlock(&qla_fw_lock);
7369 }
7370
7371 static void qla_pci_error_cleanup(scsi_qla_host_t *vha)
7372 {
7373         struct qla_hw_data *ha = vha->hw;
7374         scsi_qla_host_t *base_vha = pci_get_drvdata(ha->pdev);
7375         struct qla_qpair *qpair = NULL;
7376         struct scsi_qla_host *vp;
7377         fc_port_t *fcport;
7378         int i;
7379         unsigned long flags;
7380
7381         ha->chip_reset++;
7382
7383         ha->base_qpair->chip_reset = ha->chip_reset;
7384         for (i = 0; i < ha->max_qpairs; i++) {
7385                 if (ha->queue_pair_map[i])
7386                         ha->queue_pair_map[i]->chip_reset =
7387                             ha->base_qpair->chip_reset;
7388         }
7389
7390         /* purge MBox commands */
7391         if (atomic_read(&ha->num_pend_mbx_stage3)) {
7392                 clear_bit(MBX_INTR_WAIT, &ha->mbx_cmd_flags);
7393                 complete(&ha->mbx_intr_comp);
7394         }
7395
7396         i = 0;
7397
7398         while (atomic_read(&ha->num_pend_mbx_stage3) ||
7399             atomic_read(&ha->num_pend_mbx_stage2) ||
7400             atomic_read(&ha->num_pend_mbx_stage1)) {
7401                 msleep(20);
7402                 i++;
7403                 if (i > 50)
7404                         break;
7405         }
7406
7407         ha->flags.purge_mbox = 0;
7408
7409         mutex_lock(&ha->mq_lock);
7410         list_for_each_entry(qpair, &base_vha->qp_list, qp_list_elem)
7411                 qpair->online = 0;
7412         mutex_unlock(&ha->mq_lock);
7413
7414         qla2x00_mark_all_devices_lost(vha);
7415
7416         spin_lock_irqsave(&ha->vport_slock, flags);
7417         list_for_each_entry(vp, &ha->vp_list, list) {
7418                 atomic_inc(&vp->vref_count);
7419                 spin_unlock_irqrestore(&ha->vport_slock, flags);
7420                 qla2x00_mark_all_devices_lost(vp);
7421                 spin_lock_irqsave(&ha->vport_slock, flags);
7422                 atomic_dec(&vp->vref_count);
7423         }
7424         spin_unlock_irqrestore(&ha->vport_slock, flags);
7425
7426         /* Clear all async request states across all VPs. */
7427         list_for_each_entry(fcport, &vha->vp_fcports, list)
7428                 fcport->flags &= ~(FCF_LOGIN_NEEDED | FCF_ASYNC_SENT);
7429
7430         spin_lock_irqsave(&ha->vport_slock, flags);
7431         list_for_each_entry(vp, &ha->vp_list, list) {
7432                 atomic_inc(&vp->vref_count);
7433                 spin_unlock_irqrestore(&ha->vport_slock, flags);
7434                 list_for_each_entry(fcport, &vp->vp_fcports, list)
7435                         fcport->flags &= ~(FCF_LOGIN_NEEDED | FCF_ASYNC_SENT);
7436                 spin_lock_irqsave(&ha->vport_slock, flags);
7437                 atomic_dec(&vp->vref_count);
7438         }
7439         spin_unlock_irqrestore(&ha->vport_slock, flags);
7440 }
7441
7442
7443 static pci_ers_result_t
7444 qla2xxx_pci_error_detected(struct pci_dev *pdev, pci_channel_state_t state)
7445 {
7446         scsi_qla_host_t *vha = pci_get_drvdata(pdev);
7447         struct qla_hw_data *ha = vha->hw;
7448
7449         ql_dbg(ql_dbg_aer, vha, 0x9000,
7450             "PCI error detected, state %x.\n", state);
7451
7452         if (!atomic_read(&pdev->enable_cnt)) {
7453                 ql_log(ql_log_info, vha, 0xffff,
7454                         "PCI device is disabled,state %x\n", state);
7455                 return PCI_ERS_RESULT_NEED_RESET;
7456         }
7457
7458         switch (state) {
7459         case pci_channel_io_normal:
7460                 ha->flags.eeh_busy = 0;
7461                 if (ql2xmqsupport || ql2xnvmeenable) {
7462                         set_bit(QPAIR_ONLINE_CHECK_NEEDED, &vha->dpc_flags);
7463                         qla2xxx_wake_dpc(vha);
7464                 }
7465                 return PCI_ERS_RESULT_CAN_RECOVER;
7466         case pci_channel_io_frozen:
7467                 ha->flags.eeh_busy = 1;
7468                 qla_pci_error_cleanup(vha);
7469                 return PCI_ERS_RESULT_NEED_RESET;
7470         case pci_channel_io_perm_failure:
7471                 ha->flags.pci_channel_io_perm_failure = 1;
7472                 qla2x00_abort_all_cmds(vha, DID_NO_CONNECT << 16);
7473                 if (ql2xmqsupport || ql2xnvmeenable) {
7474                         set_bit(QPAIR_ONLINE_CHECK_NEEDED, &vha->dpc_flags);
7475                         qla2xxx_wake_dpc(vha);
7476                 }
7477                 return PCI_ERS_RESULT_DISCONNECT;
7478         }
7479         return PCI_ERS_RESULT_NEED_RESET;
7480 }
7481
7482 static pci_ers_result_t
7483 qla2xxx_pci_mmio_enabled(struct pci_dev *pdev)
7484 {
7485         int risc_paused = 0;
7486         uint32_t stat;
7487         unsigned long flags;
7488         scsi_qla_host_t *base_vha = pci_get_drvdata(pdev);
7489         struct qla_hw_data *ha = base_vha->hw;
7490         struct device_reg_2xxx __iomem *reg = &ha->iobase->isp;
7491         struct device_reg_24xx __iomem *reg24 = &ha->iobase->isp24;
7492
7493         if (IS_QLA82XX(ha))
7494                 return PCI_ERS_RESULT_RECOVERED;
7495
7496         spin_lock_irqsave(&ha->hardware_lock, flags);
7497         if (IS_QLA2100(ha) || IS_QLA2200(ha)){
7498                 stat = rd_reg_word(&reg->hccr);
7499                 if (stat & HCCR_RISC_PAUSE)
7500                         risc_paused = 1;
7501         } else if (IS_QLA23XX(ha)) {
7502                 stat = rd_reg_dword(&reg->u.isp2300.host_status);
7503                 if (stat & HSR_RISC_PAUSED)
7504                         risc_paused = 1;
7505         } else if (IS_FWI2_CAPABLE(ha)) {
7506                 stat = rd_reg_dword(&reg24->host_status);
7507                 if (stat & HSRX_RISC_PAUSED)
7508                         risc_paused = 1;
7509         }
7510         spin_unlock_irqrestore(&ha->hardware_lock, flags);
7511
7512         if (risc_paused) {
7513                 ql_log(ql_log_info, base_vha, 0x9003,
7514                     "RISC paused -- mmio_enabled, Dumping firmware.\n");
7515                 qla2xxx_dump_fw(base_vha);
7516
7517                 return PCI_ERS_RESULT_NEED_RESET;
7518         } else
7519                 return PCI_ERS_RESULT_RECOVERED;
7520 }
7521
7522 static pci_ers_result_t
7523 qla2xxx_pci_slot_reset(struct pci_dev *pdev)
7524 {
7525         pci_ers_result_t ret = PCI_ERS_RESULT_DISCONNECT;
7526         scsi_qla_host_t *base_vha = pci_get_drvdata(pdev);
7527         struct qla_hw_data *ha = base_vha->hw;
7528         int rc;
7529         struct qla_qpair *qpair = NULL;
7530
7531         ql_dbg(ql_dbg_aer, base_vha, 0x9004,
7532             "Slot Reset.\n");
7533
7534         /* Workaround: qla2xxx driver which access hardware earlier
7535          * needs error state to be pci_channel_io_online.
7536          * Otherwise mailbox command timesout.
7537          */
7538         pdev->error_state = pci_channel_io_normal;
7539
7540         pci_restore_state(pdev);
7541
7542         /* pci_restore_state() clears the saved_state flag of the device
7543          * save restored state which resets saved_state flag
7544          */
7545         pci_save_state(pdev);
7546
7547         if (ha->mem_only)
7548                 rc = pci_enable_device_mem(pdev);
7549         else
7550                 rc = pci_enable_device(pdev);
7551
7552         if (rc) {
7553                 ql_log(ql_log_warn, base_vha, 0x9005,
7554                     "Can't re-enable PCI device after reset.\n");
7555                 goto exit_slot_reset;
7556         }
7557
7558
7559         if (ha->isp_ops->pci_config(base_vha))
7560                 goto exit_slot_reset;
7561
7562         mutex_lock(&ha->mq_lock);
7563         list_for_each_entry(qpair, &base_vha->qp_list, qp_list_elem)
7564                 qpair->online = 1;
7565         mutex_unlock(&ha->mq_lock);
7566
7567         base_vha->flags.online = 1;
7568         set_bit(ABORT_ISP_ACTIVE, &base_vha->dpc_flags);
7569         if (ha->isp_ops->abort_isp(base_vha) == QLA_SUCCESS)
7570                 ret =  PCI_ERS_RESULT_RECOVERED;
7571         clear_bit(ABORT_ISP_ACTIVE, &base_vha->dpc_flags);
7572
7573
7574 exit_slot_reset:
7575         ql_dbg(ql_dbg_aer, base_vha, 0x900e,
7576             "slot_reset return %x.\n", ret);
7577
7578         return ret;
7579 }
7580
7581 static void
7582 qla2xxx_pci_resume(struct pci_dev *pdev)
7583 {
7584         scsi_qla_host_t *base_vha = pci_get_drvdata(pdev);
7585         struct qla_hw_data *ha = base_vha->hw;
7586         int ret;
7587
7588         ql_dbg(ql_dbg_aer, base_vha, 0x900f,
7589             "pci_resume.\n");
7590
7591         ha->flags.eeh_busy = 0;
7592
7593         ret = qla2x00_wait_for_hba_online(base_vha);
7594         if (ret != QLA_SUCCESS) {
7595                 ql_log(ql_log_fatal, base_vha, 0x9002,
7596                     "The device failed to resume I/O from slot/link_reset.\n");
7597         }
7598 }
7599
7600 static void
7601 qla_pci_reset_prepare(struct pci_dev *pdev)
7602 {
7603         scsi_qla_host_t *base_vha = pci_get_drvdata(pdev);
7604         struct qla_hw_data *ha = base_vha->hw;
7605         struct qla_qpair *qpair;
7606
7607         ql_log(ql_log_warn, base_vha, 0xffff,
7608             "%s.\n", __func__);
7609
7610         /*
7611          * PCI FLR/function reset is about to reset the
7612          * slot. Stop the chip to stop all DMA access.
7613          * It is assumed that pci_reset_done will be called
7614          * after FLR to resume Chip operation.
7615          */
7616         ha->flags.eeh_busy = 1;
7617         mutex_lock(&ha->mq_lock);
7618         list_for_each_entry(qpair, &base_vha->qp_list, qp_list_elem)
7619                 qpair->online = 0;
7620         mutex_unlock(&ha->mq_lock);
7621
7622         set_bit(ABORT_ISP_ACTIVE, &base_vha->dpc_flags);
7623         qla2x00_abort_isp_cleanup(base_vha);
7624         qla2x00_abort_all_cmds(base_vha, DID_RESET << 16);
7625 }
7626
7627 static void
7628 qla_pci_reset_done(struct pci_dev *pdev)
7629 {
7630         scsi_qla_host_t *base_vha = pci_get_drvdata(pdev);
7631         struct qla_hw_data *ha = base_vha->hw;
7632         struct qla_qpair *qpair;
7633
7634         ql_log(ql_log_warn, base_vha, 0xffff,
7635             "%s.\n", __func__);
7636
7637         /*
7638          * FLR just completed by PCI layer. Resume adapter
7639          */
7640         ha->flags.eeh_busy = 0;
7641         mutex_lock(&ha->mq_lock);
7642         list_for_each_entry(qpair, &base_vha->qp_list, qp_list_elem)
7643                 qpair->online = 1;
7644         mutex_unlock(&ha->mq_lock);
7645
7646         base_vha->flags.online = 1;
7647         ha->isp_ops->abort_isp(base_vha);
7648         clear_bit(ABORT_ISP_ACTIVE, &base_vha->dpc_flags);
7649 }
7650
7651 static int qla2xxx_map_queues(struct Scsi_Host *shost)
7652 {
7653         int rc;
7654         scsi_qla_host_t *vha = (scsi_qla_host_t *)shost->hostdata;
7655         struct blk_mq_queue_map *qmap = &shost->tag_set.map[HCTX_TYPE_DEFAULT];
7656
7657         if (USER_CTRL_IRQ(vha->hw) || !vha->hw->mqiobase)
7658                 rc = blk_mq_map_queues(qmap);
7659         else
7660                 rc = blk_mq_pci_map_queues(qmap, vha->hw->pdev, vha->irq_offset);
7661         return rc;
7662 }
7663
7664 struct scsi_host_template qla2xxx_driver_template = {
7665         .module                 = THIS_MODULE,
7666         .name                   = QLA2XXX_DRIVER_NAME,
7667         .queuecommand           = qla2xxx_queuecommand,
7668
7669         .eh_timed_out           = fc_eh_timed_out,
7670         .eh_abort_handler       = qla2xxx_eh_abort,
7671         .eh_device_reset_handler = qla2xxx_eh_device_reset,
7672         .eh_target_reset_handler = qla2xxx_eh_target_reset,
7673         .eh_bus_reset_handler   = qla2xxx_eh_bus_reset,
7674         .eh_host_reset_handler  = qla2xxx_eh_host_reset,
7675
7676         .slave_configure        = qla2xxx_slave_configure,
7677
7678         .slave_alloc            = qla2xxx_slave_alloc,
7679         .slave_destroy          = qla2xxx_slave_destroy,
7680         .scan_finished          = qla2xxx_scan_finished,
7681         .scan_start             = qla2xxx_scan_start,
7682         .change_queue_depth     = scsi_change_queue_depth,
7683         .map_queues             = qla2xxx_map_queues,
7684         .this_id                = -1,
7685         .cmd_per_lun            = 3,
7686         .sg_tablesize           = SG_ALL,
7687
7688         .max_sectors            = 0xFFFF,
7689         .shost_attrs            = qla2x00_host_attrs,
7690
7691         .supported_mode         = MODE_INITIATOR,
7692         .track_queue_depth      = 1,
7693         .cmd_size               = sizeof(srb_t),
7694 };
7695
7696 static const struct pci_error_handlers qla2xxx_err_handler = {
7697         .error_detected = qla2xxx_pci_error_detected,
7698         .mmio_enabled = qla2xxx_pci_mmio_enabled,
7699         .slot_reset = qla2xxx_pci_slot_reset,
7700         .resume = qla2xxx_pci_resume,
7701         .reset_prepare = qla_pci_reset_prepare,
7702         .reset_done = qla_pci_reset_done,
7703 };
7704
7705 static struct pci_device_id qla2xxx_pci_tbl[] = {
7706         { PCI_DEVICE(PCI_VENDOR_ID_QLOGIC, PCI_DEVICE_ID_QLOGIC_ISP2100) },
7707         { PCI_DEVICE(PCI_VENDOR_ID_QLOGIC, PCI_DEVICE_ID_QLOGIC_ISP2200) },
7708         { PCI_DEVICE(PCI_VENDOR_ID_QLOGIC, PCI_DEVICE_ID_QLOGIC_ISP2300) },
7709         { PCI_DEVICE(PCI_VENDOR_ID_QLOGIC, PCI_DEVICE_ID_QLOGIC_ISP2312) },
7710         { PCI_DEVICE(PCI_VENDOR_ID_QLOGIC, PCI_DEVICE_ID_QLOGIC_ISP2322) },
7711         { PCI_DEVICE(PCI_VENDOR_ID_QLOGIC, PCI_DEVICE_ID_QLOGIC_ISP6312) },
7712         { PCI_DEVICE(PCI_VENDOR_ID_QLOGIC, PCI_DEVICE_ID_QLOGIC_ISP6322) },
7713         { PCI_DEVICE(PCI_VENDOR_ID_QLOGIC, PCI_DEVICE_ID_QLOGIC_ISP2422) },
7714         { PCI_DEVICE(PCI_VENDOR_ID_QLOGIC, PCI_DEVICE_ID_QLOGIC_ISP2432) },
7715         { PCI_DEVICE(PCI_VENDOR_ID_QLOGIC, PCI_DEVICE_ID_QLOGIC_ISP8432) },
7716         { PCI_DEVICE(PCI_VENDOR_ID_QLOGIC, PCI_DEVICE_ID_QLOGIC_ISP5422) },
7717         { PCI_DEVICE(PCI_VENDOR_ID_QLOGIC, PCI_DEVICE_ID_QLOGIC_ISP5432) },
7718         { PCI_DEVICE(PCI_VENDOR_ID_QLOGIC, PCI_DEVICE_ID_QLOGIC_ISP2532) },
7719         { PCI_DEVICE(PCI_VENDOR_ID_QLOGIC, PCI_DEVICE_ID_QLOGIC_ISP2031) },
7720         { PCI_DEVICE(PCI_VENDOR_ID_QLOGIC, PCI_DEVICE_ID_QLOGIC_ISP8001) },
7721         { PCI_DEVICE(PCI_VENDOR_ID_QLOGIC, PCI_DEVICE_ID_QLOGIC_ISP8021) },
7722         { PCI_DEVICE(PCI_VENDOR_ID_QLOGIC, PCI_DEVICE_ID_QLOGIC_ISP8031) },
7723         { PCI_DEVICE(PCI_VENDOR_ID_QLOGIC, PCI_DEVICE_ID_QLOGIC_ISPF001) },
7724         { PCI_DEVICE(PCI_VENDOR_ID_QLOGIC, PCI_DEVICE_ID_QLOGIC_ISP8044) },
7725         { PCI_DEVICE(PCI_VENDOR_ID_QLOGIC, PCI_DEVICE_ID_QLOGIC_ISP2071) },
7726         { PCI_DEVICE(PCI_VENDOR_ID_QLOGIC, PCI_DEVICE_ID_QLOGIC_ISP2271) },
7727         { PCI_DEVICE(PCI_VENDOR_ID_QLOGIC, PCI_DEVICE_ID_QLOGIC_ISP2261) },
7728         { PCI_DEVICE(PCI_VENDOR_ID_QLOGIC, PCI_DEVICE_ID_QLOGIC_ISP2061) },
7729         { PCI_DEVICE(PCI_VENDOR_ID_QLOGIC, PCI_DEVICE_ID_QLOGIC_ISP2081) },
7730         { PCI_DEVICE(PCI_VENDOR_ID_QLOGIC, PCI_DEVICE_ID_QLOGIC_ISP2281) },
7731         { PCI_DEVICE(PCI_VENDOR_ID_QLOGIC, PCI_DEVICE_ID_QLOGIC_ISP2089) },
7732         { PCI_DEVICE(PCI_VENDOR_ID_QLOGIC, PCI_DEVICE_ID_QLOGIC_ISP2289) },
7733         { 0 },
7734 };
7735 MODULE_DEVICE_TABLE(pci, qla2xxx_pci_tbl);
7736
7737 static struct pci_driver qla2xxx_pci_driver = {
7738         .name           = QLA2XXX_DRIVER_NAME,
7739         .driver         = {
7740                 .owner          = THIS_MODULE,
7741         },
7742         .id_table       = qla2xxx_pci_tbl,
7743         .probe          = qla2x00_probe_one,
7744         .remove         = qla2x00_remove_one,
7745         .shutdown       = qla2x00_shutdown,
7746         .err_handler    = &qla2xxx_err_handler,
7747 };
7748
7749 static const struct file_operations apidev_fops = {
7750         .owner = THIS_MODULE,
7751         .llseek = noop_llseek,
7752 };
7753
7754 /**
7755  * qla2x00_module_init - Module initialization.
7756  **/
7757 static int __init
7758 qla2x00_module_init(void)
7759 {
7760         int ret = 0;
7761
7762         BUILD_BUG_ON(sizeof(cmd_a64_entry_t) != 64);
7763         BUILD_BUG_ON(sizeof(cmd_entry_t) != 64);
7764         BUILD_BUG_ON(sizeof(cont_a64_entry_t) != 64);
7765         BUILD_BUG_ON(sizeof(cont_entry_t) != 64);
7766         BUILD_BUG_ON(sizeof(init_cb_t) != 96);
7767         BUILD_BUG_ON(sizeof(mrk_entry_t) != 64);
7768         BUILD_BUG_ON(sizeof(ms_iocb_entry_t) != 64);
7769         BUILD_BUG_ON(sizeof(request_t) != 64);
7770         BUILD_BUG_ON(sizeof(struct abort_entry_24xx) != 64);
7771         BUILD_BUG_ON(sizeof(struct abort_iocb_entry_fx00) != 64);
7772         BUILD_BUG_ON(sizeof(struct abts_entry_24xx) != 64);
7773         BUILD_BUG_ON(sizeof(struct access_chip_84xx) != 64);
7774         BUILD_BUG_ON(sizeof(struct access_chip_rsp_84xx) != 64);
7775         BUILD_BUG_ON(sizeof(struct cmd_bidir) != 64);
7776         BUILD_BUG_ON(sizeof(struct cmd_nvme) != 64);
7777         BUILD_BUG_ON(sizeof(struct cmd_type_6) != 64);
7778         BUILD_BUG_ON(sizeof(struct cmd_type_7) != 64);
7779         BUILD_BUG_ON(sizeof(struct cmd_type_7_fx00) != 64);
7780         BUILD_BUG_ON(sizeof(struct cmd_type_crc_2) != 64);
7781         BUILD_BUG_ON(sizeof(struct ct_entry_24xx) != 64);
7782         BUILD_BUG_ON(sizeof(struct ct_fdmi1_hba_attributes) != 2344);
7783         BUILD_BUG_ON(sizeof(struct ct_fdmi2_hba_attributes) != 4424);
7784         BUILD_BUG_ON(sizeof(struct ct_fdmi2_port_attributes) != 4164);
7785         BUILD_BUG_ON(sizeof(struct ct_fdmi_hba_attr) != 260);
7786         BUILD_BUG_ON(sizeof(struct ct_fdmi_port_attr) != 260);
7787         BUILD_BUG_ON(sizeof(struct ct_rsp_hdr) != 16);
7788         BUILD_BUG_ON(sizeof(struct ctio_crc2_to_fw) != 64);
7789         BUILD_BUG_ON(sizeof(struct device_reg_24xx) != 256);
7790         BUILD_BUG_ON(sizeof(struct device_reg_25xxmq) != 24);
7791         BUILD_BUG_ON(sizeof(struct device_reg_2xxx) != 256);
7792         BUILD_BUG_ON(sizeof(struct device_reg_82xx) != 1288);
7793         BUILD_BUG_ON(sizeof(struct device_reg_fx00) != 216);
7794         BUILD_BUG_ON(sizeof(struct els_entry_24xx) != 64);
7795         BUILD_BUG_ON(sizeof(struct els_sts_entry_24xx) != 64);
7796         BUILD_BUG_ON(sizeof(struct fxdisc_entry_fx00) != 64);
7797         BUILD_BUG_ON(sizeof(struct imm_ntfy_from_isp) != 64);
7798         BUILD_BUG_ON(sizeof(struct init_cb_24xx) != 128);
7799         BUILD_BUG_ON(sizeof(struct init_cb_81xx) != 128);
7800         BUILD_BUG_ON(sizeof(struct logio_entry_24xx) != 64);
7801         BUILD_BUG_ON(sizeof(struct mbx_entry) != 64);
7802         BUILD_BUG_ON(sizeof(struct mid_init_cb_24xx) != 5252);
7803         BUILD_BUG_ON(sizeof(struct mrk_entry_24xx) != 64);
7804         BUILD_BUG_ON(sizeof(struct nvram_24xx) != 512);
7805         BUILD_BUG_ON(sizeof(struct nvram_81xx) != 512);
7806         BUILD_BUG_ON(sizeof(struct pt_ls4_request) != 64);
7807         BUILD_BUG_ON(sizeof(struct pt_ls4_rx_unsol) != 64);
7808         BUILD_BUG_ON(sizeof(struct purex_entry_24xx) != 64);
7809         BUILD_BUG_ON(sizeof(struct qla2100_fw_dump) != 123634);
7810         BUILD_BUG_ON(sizeof(struct qla2300_fw_dump) != 136100);
7811         BUILD_BUG_ON(sizeof(struct qla24xx_fw_dump) != 37976);
7812         BUILD_BUG_ON(sizeof(struct qla25xx_fw_dump) != 39228);
7813         BUILD_BUG_ON(sizeof(struct qla2xxx_fce_chain) != 52);
7814         BUILD_BUG_ON(sizeof(struct qla2xxx_fw_dump) != 136172);
7815         BUILD_BUG_ON(sizeof(struct qla2xxx_mq_chain) != 524);
7816         BUILD_BUG_ON(sizeof(struct qla2xxx_mqueue_chain) != 8);
7817         BUILD_BUG_ON(sizeof(struct qla2xxx_mqueue_header) != 12);
7818         BUILD_BUG_ON(sizeof(struct qla2xxx_offld_chain) != 24);
7819         BUILD_BUG_ON(sizeof(struct qla81xx_fw_dump) != 39420);
7820         BUILD_BUG_ON(sizeof(struct qla82xx_uri_data_desc) != 28);
7821         BUILD_BUG_ON(sizeof(struct qla82xx_uri_table_desc) != 32);
7822         BUILD_BUG_ON(sizeof(struct qla83xx_fw_dump) != 51196);
7823         BUILD_BUG_ON(sizeof(struct qla_fcp_prio_cfg) != FCP_PRIO_CFG_SIZE);
7824         BUILD_BUG_ON(sizeof(struct qla_fdt_layout) != 128);
7825         BUILD_BUG_ON(sizeof(struct qla_flt_header) != 8);
7826         BUILD_BUG_ON(sizeof(struct qla_flt_region) != 16);
7827         BUILD_BUG_ON(sizeof(struct qla_npiv_entry) != 24);
7828         BUILD_BUG_ON(sizeof(struct qla_npiv_header) != 16);
7829         BUILD_BUG_ON(sizeof(struct rdp_rsp_payload) != 336);
7830         BUILD_BUG_ON(sizeof(struct sns_cmd_pkt) != 2064);
7831         BUILD_BUG_ON(sizeof(struct sts_entry_24xx) != 64);
7832         BUILD_BUG_ON(sizeof(struct tsk_mgmt_entry) != 64);
7833         BUILD_BUG_ON(sizeof(struct tsk_mgmt_entry_fx00) != 64);
7834         BUILD_BUG_ON(sizeof(struct verify_chip_entry_84xx) != 64);
7835         BUILD_BUG_ON(sizeof(struct verify_chip_rsp_84xx) != 52);
7836         BUILD_BUG_ON(sizeof(struct vf_evfp_entry_24xx) != 56);
7837         BUILD_BUG_ON(sizeof(struct vp_config_entry_24xx) != 64);
7838         BUILD_BUG_ON(sizeof(struct vp_ctrl_entry_24xx) != 64);
7839         BUILD_BUG_ON(sizeof(struct vp_rpt_id_entry_24xx) != 64);
7840         BUILD_BUG_ON(sizeof(sts21_entry_t) != 64);
7841         BUILD_BUG_ON(sizeof(sts22_entry_t) != 64);
7842         BUILD_BUG_ON(sizeof(sts_cont_entry_t) != 64);
7843         BUILD_BUG_ON(sizeof(sts_entry_t) != 64);
7844         BUILD_BUG_ON(sizeof(sw_info_t) != 32);
7845         BUILD_BUG_ON(sizeof(target_id_t) != 2);
7846
7847         /* Allocate cache for SRBs. */
7848         srb_cachep = kmem_cache_create("qla2xxx_srbs", sizeof(srb_t), 0,
7849             SLAB_HWCACHE_ALIGN, NULL);
7850         if (srb_cachep == NULL) {
7851                 ql_log(ql_log_fatal, NULL, 0x0001,
7852                     "Unable to allocate SRB cache...Failing load!.\n");
7853                 return -ENOMEM;
7854         }
7855
7856         /* Initialize target kmem_cache and mem_pools */
7857         ret = qlt_init();
7858         if (ret < 0) {
7859                 goto destroy_cache;
7860         } else if (ret > 0) {
7861                 /*
7862                  * If initiator mode is explictly disabled by qlt_init(),
7863                  * prevent scsi_transport_fc.c:fc_scsi_scan_rport() from
7864                  * performing scsi_scan_target() during LOOP UP event.
7865                  */
7866                 qla2xxx_transport_functions.disable_target_scan = 1;
7867                 qla2xxx_transport_vport_functions.disable_target_scan = 1;
7868         }
7869
7870         /* Derive version string. */
7871         strcpy(qla2x00_version_str, QLA2XXX_VERSION);
7872         if (ql2xextended_error_logging)
7873                 strcat(qla2x00_version_str, "-debug");
7874         if (ql2xextended_error_logging == 1)
7875                 ql2xextended_error_logging = QL_DBG_DEFAULT1_MASK;
7876
7877         if (ql2x_ini_mode == QLA2XXX_INI_MODE_DUAL)
7878                 qla_insert_tgt_attrs();
7879
7880         qla2xxx_transport_template =
7881             fc_attach_transport(&qla2xxx_transport_functions);
7882         if (!qla2xxx_transport_template) {
7883                 ql_log(ql_log_fatal, NULL, 0x0002,
7884                     "fc_attach_transport failed...Failing load!.\n");
7885                 ret = -ENODEV;
7886                 goto qlt_exit;
7887         }
7888
7889         apidev_major = register_chrdev(0, QLA2XXX_APIDEV, &apidev_fops);
7890         if (apidev_major < 0) {
7891                 ql_log(ql_log_fatal, NULL, 0x0003,
7892                     "Unable to register char device %s.\n", QLA2XXX_APIDEV);
7893         }
7894
7895         qla2xxx_transport_vport_template =
7896             fc_attach_transport(&qla2xxx_transport_vport_functions);
7897         if (!qla2xxx_transport_vport_template) {
7898                 ql_log(ql_log_fatal, NULL, 0x0004,
7899                     "fc_attach_transport vport failed...Failing load!.\n");
7900                 ret = -ENODEV;
7901                 goto unreg_chrdev;
7902         }
7903         ql_log(ql_log_info, NULL, 0x0005,
7904             "QLogic Fibre Channel HBA Driver: %s.\n",
7905             qla2x00_version_str);
7906         ret = pci_register_driver(&qla2xxx_pci_driver);
7907         if (ret) {
7908                 ql_log(ql_log_fatal, NULL, 0x0006,
7909                     "pci_register_driver failed...ret=%d Failing load!.\n",
7910                     ret);
7911                 goto release_vport_transport;
7912         }
7913         return ret;
7914
7915 release_vport_transport:
7916         fc_release_transport(qla2xxx_transport_vport_template);
7917
7918 unreg_chrdev:
7919         if (apidev_major >= 0)
7920                 unregister_chrdev(apidev_major, QLA2XXX_APIDEV);
7921         fc_release_transport(qla2xxx_transport_template);
7922
7923 qlt_exit:
7924         qlt_exit();
7925
7926 destroy_cache:
7927         kmem_cache_destroy(srb_cachep);
7928         return ret;
7929 }
7930
7931 /**
7932  * qla2x00_module_exit - Module cleanup.
7933  **/
7934 static void __exit
7935 qla2x00_module_exit(void)
7936 {
7937         pci_unregister_driver(&qla2xxx_pci_driver);
7938         qla2x00_release_firmware();
7939         kmem_cache_destroy(ctx_cachep);
7940         fc_release_transport(qla2xxx_transport_vport_template);
7941         if (apidev_major >= 0)
7942                 unregister_chrdev(apidev_major, QLA2XXX_APIDEV);
7943         fc_release_transport(qla2xxx_transport_template);
7944         qlt_exit();
7945         kmem_cache_destroy(srb_cachep);
7946 }
7947
7948 module_init(qla2x00_module_init);
7949 module_exit(qla2x00_module_exit);
7950
7951 MODULE_AUTHOR("QLogic Corporation");
7952 MODULE_DESCRIPTION("QLogic Fibre Channel HBA Driver");
7953 MODULE_LICENSE("GPL");
7954 MODULE_FIRMWARE(FW_FILE_ISP21XX);
7955 MODULE_FIRMWARE(FW_FILE_ISP22XX);
7956 MODULE_FIRMWARE(FW_FILE_ISP2300);
7957 MODULE_FIRMWARE(FW_FILE_ISP2322);
7958 MODULE_FIRMWARE(FW_FILE_ISP24XX);
7959 MODULE_FIRMWARE(FW_FILE_ISP25XX);