drivers/scsi/qla2xxx/qla_os.c

   1 /*
   2  * QLogic Fibre Channel HBA Driver
   3  * Copyright (c)  2003-2014 QLogic Corporation
   4  *
   5  * See LICENSE.qla2xxx for copyright and licensing details.
   6  */
   7 #include "qla_def.h"
   8
   9 #include <linux/moduleparam.h>
  10 #include <linux/vmalloc.h>
  11 #include <linux/delay.h>
  12 #include <linux/kthread.h>
  13 #include <linux/mutex.h>
  14 #include <linux/kobject.h>
  15 #include <linux/slab.h>
  16 #include <linux/blk-mq-pci.h>
  17 #include <linux/refcount.h>
  18
  19 #include <scsi/scsi_tcq.h>
  20 #include <scsi/scsicam.h>
  21 #include <scsi/scsi_transport.h>
  22 #include <scsi/scsi_transport_fc.h>
  23
  24 #include "qla_target.h"
  25
  26 /*
  27  * Driver version
  28  */
  29 char qla2x00_version_str[40];
  30
  31 static int apidev_major;
  32
  33 /*
  34  * SRB allocation cache
  35  */
  36 struct kmem_cache *srb_cachep;
  37
  38 /*
  39  * CT6 CTX allocation cache
  40  */
  41 static struct kmem_cache *ctx_cachep;
  42 /*
  43  * error level for logging
  44  */
  45 int ql_errlev = ql_log_all;
  46
  47 static int ql2xenableclass2;
  48 module_param(ql2xenableclass2, int, S_IRUGO|S_IRUSR);
  49 MODULE_PARM_DESC(ql2xenableclass2,
  50                 "Specify if Class 2 operations are supported from the very "
  51                 "beginning. Default is 0 - class 2 not supported.");
  52
  53
  54 int ql2xlogintimeout = 20;
  55 module_param(ql2xlogintimeout, int, S_IRUGO);
  56 MODULE_PARM_DESC(ql2xlogintimeout,
  57                 "Login timeout value in seconds.");
  58
  59 int qlport_down_retry;
  60 module_param(qlport_down_retry, int, S_IRUGO);
  61 MODULE_PARM_DESC(qlport_down_retry,
  62                 "Maximum number of command retries to a port that returns "
  63                 "a PORT-DOWN status.");
  64
  65 int ql2xplogiabsentdevice;
  66 module_param(ql2xplogiabsentdevice, int, S_IRUGO|S_IWUSR);
  67 MODULE_PARM_DESC(ql2xplogiabsentdevice,
  68                 "Option to enable PLOGI to devices that are not present after "
  69                 "a Fabric scan.  This is needed for several broken switches. "
  70                 "Default is 0 - no PLOGI. 1 - perform PLOGI.");
  71
  72 int ql2xloginretrycount = 0;
  73 module_param(ql2xloginretrycount, int, S_IRUGO);
  74 MODULE_PARM_DESC(ql2xloginretrycount,
  75                 "Specify an alternate value for the NVRAM login retry count.");
  76
  77 int ql2xallocfwdump = 1;
  78 module_param(ql2xallocfwdump, int, S_IRUGO);
  79 MODULE_PARM_DESC(ql2xallocfwdump,
  80                 "Option to enable allocation of memory for a firmware dump "
  81                 "during HBA initialization.  Memory allocation requirements "
  82                 "vary by ISP type.  Default is 1 - allocate memory.");
  83
  84 int ql2xextended_error_logging;
  85 module_param(ql2xextended_error_logging, int, S_IRUGO|S_IWUSR);
  86 module_param_named(logging, ql2xextended_error_logging, int, S_IRUGO|S_IWUSR);
  87 MODULE_PARM_DESC(ql2xextended_error_logging,
  88                 "Option to enable extended error logging,\n"
  89                 "\t\tDefault is 0 - no logging.  0x40000000 - Module Init & Probe.\n"
  90                 "\t\t0x20000000 - Mailbox Cmnds. 0x10000000 - Device Discovery.\n"
  91                 "\t\t0x08000000 - IO tracing.    0x04000000 - DPC Thread.\n"
  92                 "\t\t0x02000000 - Async events.  0x01000000 - Timer routines.\n"
  93                 "\t\t0x00800000 - User space.    0x00400000 - Task Management.\n"
  94                 "\t\t0x00200000 - AER/EEH.       0x00100000 - Multi Q.\n"
  95                 "\t\t0x00080000 - P3P Specific.  0x00040000 - Virtual Port.\n"
  96                 "\t\t0x00020000 - Buffer Dump.   0x00010000 - Misc.\n"
  97                 "\t\t0x00008000 - Verbose.       0x00004000 - Target.\n"
  98                 "\t\t0x00002000 - Target Mgmt.   0x00001000 - Target TMF.\n"
  99                 "\t\t0x7fffffff - For enabling all logs, can be too many logs.\n"
 100                 "\t\t0x1e400000 - Preferred value for capturing essential "
 101                 "debug information (equivalent to old "
 102                 "ql2xextended_error_logging=1).\n"
 103                 "\t\tDo LOGICAL OR of the value to enable more than one level");
 104
 105 int ql2xshiftctondsd = 6;
 106 module_param(ql2xshiftctondsd, int, S_IRUGO);
 107 MODULE_PARM_DESC(ql2xshiftctondsd,
 108                 "Set to control shifting of command type processing "
 109                 "based on total number of SG elements.");
 110
 111 int ql2xfdmienable=1;
 112 module_param(ql2xfdmienable, int, S_IRUGO|S_IWUSR);
 113 module_param_named(fdmi, ql2xfdmienable, int, S_IRUGO|S_IWUSR);
 114 MODULE_PARM_DESC(ql2xfdmienable,
 115                 "Enables FDMI registrations. "
 116                 "0 - no FDMI. Default is 1 - perform FDMI.");
 117
 118 #define MAX_Q_DEPTH     64
 119 static int ql2xmaxqdepth = MAX_Q_DEPTH;
 120 module_param(ql2xmaxqdepth, int, S_IRUGO|S_IWUSR);
 121 MODULE_PARM_DESC(ql2xmaxqdepth,
 122                 "Maximum queue depth to set for each LUN. "
 123                 "Default is 64.");
 124
 125 #if (IS_ENABLED(CONFIG_NVME_FC))
 126 int ql2xenabledif;
 127 #else
 128 int ql2xenabledif = 2;
 129 #endif
 130 module_param(ql2xenabledif, int, S_IRUGO);
 131 MODULE_PARM_DESC(ql2xenabledif,
 132                 " Enable T10-CRC-DIF:\n"
 133                 " Default is 2.\n"
 134                 "  0 -- No DIF Support\n"
 135                 "  1 -- Enable DIF for all types\n"
 136                 "  2 -- Enable DIF for all types, except Type 0.\n");
 137
 138 #if (IS_ENABLED(CONFIG_NVME_FC))
 139 int ql2xnvmeenable = 1;
 140 #else
 141 int ql2xnvmeenable;
 142 #endif
 143 module_param(ql2xnvmeenable, int, 0644);
 144 MODULE_PARM_DESC(ql2xnvmeenable,
 145     "Enables NVME support. "
 146     "0 - no NVMe.  Default is Y");
 147
 148 int ql2xenablehba_err_chk = 2;
 149 module_param(ql2xenablehba_err_chk, int, S_IRUGO|S_IWUSR);
 150 MODULE_PARM_DESC(ql2xenablehba_err_chk,
 151                 " Enable T10-CRC-DIF Error isolation by HBA:\n"
 152                 " Default is 2.\n"
 153                 "  0 -- Error isolation disabled\n"
 154                 "  1 -- Error isolation enabled only for DIX Type 0\n"
 155                 "  2 -- Error isolation enabled for all Types\n");
 156
 157 int ql2xiidmaenable=1;
 158 module_param(ql2xiidmaenable, int, S_IRUGO);
 159 MODULE_PARM_DESC(ql2xiidmaenable,
 160                 "Enables iIDMA settings "
 161                 "Default is 1 - perform iIDMA. 0 - no iIDMA.");
 162
 163 int ql2xmqsupport = 1;
 164 module_param(ql2xmqsupport, int, S_IRUGO);
 165 MODULE_PARM_DESC(ql2xmqsupport,
 166                 "Enable on demand multiple queue pairs support "
 167                 "Default is 1 for supported. "
 168                 "Set it to 0 to turn off mq qpair support.");
 169
 170 int ql2xfwloadbin;
 171 module_param(ql2xfwloadbin, int, S_IRUGO|S_IWUSR);
 172 module_param_named(fwload, ql2xfwloadbin, int, S_IRUGO|S_IWUSR);
 173 MODULE_PARM_DESC(ql2xfwloadbin,
 174                 "Option to specify location from which to load ISP firmware:.\n"
 175                 " 2 -- load firmware via the request_firmware() (hotplug).\n"
 176                 "      interface.\n"
 177                 " 1 -- load firmware from flash.\n"
 178                 " 0 -- use default semantics.\n");
 179
 180 int ql2xetsenable;
 181 module_param(ql2xetsenable, int, S_IRUGO);
 182 MODULE_PARM_DESC(ql2xetsenable,
 183                 "Enables firmware ETS burst."
 184                 "Default is 0 - skip ETS enablement.");
 185
 186 int ql2xdbwr = 1;
 187 module_param(ql2xdbwr, int, S_IRUGO|S_IWUSR);
 188 MODULE_PARM_DESC(ql2xdbwr,
 189                 "Option to specify scheme for request queue posting.\n"
 190                 " 0 -- Regular doorbell.\n"
 191                 " 1 -- CAMRAM doorbell (faster).\n");
 192
 193 int ql2xtargetreset = 1;
 194 module_param(ql2xtargetreset, int, S_IRUGO);
 195 MODULE_PARM_DESC(ql2xtargetreset,
 196                  "Enable target reset."
 197                  "Default is 1 - use hw defaults.");
 198
 199 int ql2xgffidenable;
 200 module_param(ql2xgffidenable, int, S_IRUGO);
 201 MODULE_PARM_DESC(ql2xgffidenable,
 202                 "Enables GFF_ID checks of port type. "
 203                 "Default is 0 - Do not use GFF_ID information.");
 204
 205 int ql2xasynctmfenable = 1;
 206 module_param(ql2xasynctmfenable, int, S_IRUGO);
 207 MODULE_PARM_DESC(ql2xasynctmfenable,
 208                 "Enables issue of TM IOCBs asynchronously via IOCB mechanism"
 209                 "Default is 1 - Issue TM IOCBs via mailbox mechanism.");
 210
 211 int ql2xdontresethba;
 212 module_param(ql2xdontresethba, int, S_IRUGO|S_IWUSR);
 213 MODULE_PARM_DESC(ql2xdontresethba,
 214                 "Option to specify reset behaviour.\n"
 215                 " 0 (Default) -- Reset on failure.\n"
 216                 " 1 -- Do not reset on failure.\n");
 217
 218 uint64_t ql2xmaxlun = MAX_LUNS;
 219 module_param(ql2xmaxlun, ullong, S_IRUGO);
 220 MODULE_PARM_DESC(ql2xmaxlun,
 221                 "Defines the maximum LU number to register with the SCSI "
 222                 "midlayer. Default is 65535.");
 223
 224 int ql2xmdcapmask = 0x1F;
 225 module_param(ql2xmdcapmask, int, S_IRUGO);
 226 MODULE_PARM_DESC(ql2xmdcapmask,
 227                 "Set the Minidump driver capture mask level. "
 228                 "Default is 0x1F - Can be set to 0x3, 0x7, 0xF, 0x1F, 0x7F.");
 229
 230 int ql2xmdenable = 1;
 231 module_param(ql2xmdenable, int, S_IRUGO);
 232 MODULE_PARM_DESC(ql2xmdenable,
 233                 "Enable/disable MiniDump. "
 234                 "0 - MiniDump disabled. "
 235                 "1 (Default) - MiniDump enabled.");
 236
 237 int ql2xexlogins = 0;
 238 module_param(ql2xexlogins, uint, S_IRUGO|S_IWUSR);
 239 MODULE_PARM_DESC(ql2xexlogins,
 240                  "Number of extended Logins. "
 241                  "0 (Default)- Disabled.");
 242
 243 int ql2xexchoffld = 1024;
 244 module_param(ql2xexchoffld, uint, 0644);
 245 MODULE_PARM_DESC(ql2xexchoffld,
 246         "Number of target exchanges.");
 247
 248 int ql2xiniexchg = 1024;
 249 module_param(ql2xiniexchg, uint, 0644);
 250 MODULE_PARM_DESC(ql2xiniexchg,
 251         "Number of initiator exchanges.");
 252
 253 int ql2xfwholdabts = 0;
 254 module_param(ql2xfwholdabts, int, S_IRUGO);
 255 MODULE_PARM_DESC(ql2xfwholdabts,
 256                 "Allow FW to hold status IOCB until ABTS rsp received. "
 257                 "0 (Default) Do not set fw option. "
 258                 "1 - Set fw option to hold ABTS.");
 259
 260 int ql2xmvasynctoatio = 1;
 261 module_param(ql2xmvasynctoatio, int, S_IRUGO|S_IWUSR);
 262 MODULE_PARM_DESC(ql2xmvasynctoatio,
 263                 "Move PUREX, ABTS RX and RIDA IOCBs to ATIOQ"
 264                 "0 (Default). Do not move IOCBs"
 265                 "1 - Move IOCBs.");
 266
 267 int ql2xautodetectsfp = 1;
 268 module_param(ql2xautodetectsfp, int, 0444);
 269 MODULE_PARM_DESC(ql2xautodetectsfp,
 270                  "Detect SFP range and set appropriate distance.\n"
 271                  "1 (Default): Enable\n");
 272
 273 int ql2xenablemsix = 1;
 274 module_param(ql2xenablemsix, int, 0444);
 275 MODULE_PARM_DESC(ql2xenablemsix,
 276                  "Set to enable MSI or MSI-X interrupt mechanism.\n"
 277                  " Default is 1, enable MSI-X interrupt mechanism.\n"
 278                  " 0 -- enable traditional pin-based mechanism.\n"
 279                  " 1 -- enable MSI-X interrupt mechanism.\n"
 280                  " 2 -- enable MSI interrupt mechanism.\n");
 281
 282 int qla2xuseresexchforels;
 283 module_param(qla2xuseresexchforels, int, 0444);
 284 MODULE_PARM_DESC(qla2xuseresexchforels,
 285                  "Reserve 1/2 of emergency exchanges for ELS.\n"
 286                  " 0 (default): disabled");
 287
 288 /*
 289  * SCSI host template entry points
 290  */
 291 static int qla2xxx_slave_configure(struct scsi_device * device);
 292 static int qla2xxx_slave_alloc(struct scsi_device *);
 293 static int qla2xxx_scan_finished(struct Scsi_Host *, unsigned long time);
 294 static void qla2xxx_scan_start(struct Scsi_Host *);
 295 static void qla2xxx_slave_destroy(struct scsi_device *);
 296 static int qla2xxx_queuecommand(struct Scsi_Host *h, struct scsi_cmnd *cmd);
 297 static int qla2xxx_eh_abort(struct scsi_cmnd *);
 298 static int qla2xxx_eh_device_reset(struct scsi_cmnd *);
 299 static int qla2xxx_eh_target_reset(struct scsi_cmnd *);
 300 static int qla2xxx_eh_bus_reset(struct scsi_cmnd *);
 301 static int qla2xxx_eh_host_reset(struct scsi_cmnd *);
 302
 303 static void qla2x00_clear_drv_active(struct qla_hw_data *);
 304 static void qla2x00_free_device(scsi_qla_host_t *);
 305 static int qla2xxx_map_queues(struct Scsi_Host *shost);
 306 static void qla2x00_destroy_deferred_work(struct qla_hw_data *);
 307
 308
 309 struct scsi_host_template qla2xxx_driver_template = {
 310         .module                 = THIS_MODULE,
 311         .name                   = QLA2XXX_DRIVER_NAME,
 312         .queuecommand           = qla2xxx_queuecommand,
 313
 314         .eh_timed_out           = fc_eh_timed_out,
 315         .eh_abort_handler       = qla2xxx_eh_abort,
 316         .eh_device_reset_handler = qla2xxx_eh_device_reset,
 317         .eh_target_reset_handler = qla2xxx_eh_target_reset,
 318         .eh_bus_reset_handler   = qla2xxx_eh_bus_reset,
 319         .eh_host_reset_handler  = qla2xxx_eh_host_reset,
 320
 321         .slave_configure        = qla2xxx_slave_configure,
 322
 323         .slave_alloc            = qla2xxx_slave_alloc,
 324         .slave_destroy          = qla2xxx_slave_destroy,
 325         .scan_finished          = qla2xxx_scan_finished,
 326         .scan_start             = qla2xxx_scan_start,
 327         .change_queue_depth     = scsi_change_queue_depth,
 328         .map_queues             = qla2xxx_map_queues,
 329         .this_id                = -1,
 330         .cmd_per_lun            = 3,
 331         .use_clustering         = ENABLE_CLUSTERING,
 332         .sg_tablesize           = SG_ALL,
 333
 334         .max_sectors            = 0xFFFF,
 335         .shost_attrs            = qla2x00_host_attrs,
 336
 337         .supported_mode         = MODE_INITIATOR,
 338         .track_queue_depth      = 1,
 339 };
 340
 341 static struct scsi_transport_template *qla2xxx_transport_template = NULL;
 342 struct scsi_transport_template *qla2xxx_transport_vport_template = NULL;
 343
 344 /* TODO Convert to inlines
 345  *
 346  * Timer routines
 347  */
 348
 349 __inline__ void
 350 qla2x00_start_timer(scsi_qla_host_t *vha, unsigned long interval)
 351 {
 352         timer_setup(&vha->timer, qla2x00_timer, 0);
 353         vha->timer.expires = jiffies + interval * HZ;
 354         add_timer(&vha->timer);
 355         vha->timer_active = 1;
 356 }
 357
 358 static inline void
 359 qla2x00_restart_timer(scsi_qla_host_t *vha, unsigned long interval)
 360 {
 361         /* Currently used for 82XX only. */
 362         if (vha->device_flags & DFLG_DEV_FAILED) {
 363                 ql_dbg(ql_dbg_timer, vha, 0x600d,
 364                     "Device in a failed state, returning.\n");
 365                 return;
 366         }
 367
 368         mod_timer(&vha->timer, jiffies + interval * HZ);
 369 }
 370
 371 static __inline__ void
 372 qla2x00_stop_timer(scsi_qla_host_t *vha)
 373 {
 374         del_timer_sync(&vha->timer);
 375         vha->timer_active = 0;
 376 }
 377
 378 static int qla2x00_do_dpc(void *data);
 379
 380 static void qla2x00_rst_aen(scsi_qla_host_t *);
 381
 382 static int qla2x00_mem_alloc(struct qla_hw_data *, uint16_t, uint16_t,
 383         struct req_que **, struct rsp_que **);
 384 static void qla2x00_free_fw_dump(struct qla_hw_data *);
 385 static void qla2x00_mem_free(struct qla_hw_data *);
 386 int qla2xxx_mqueuecommand(struct Scsi_Host *host, struct scsi_cmnd *cmd,
 387         struct qla_qpair *qpair);
 388
 389 /* -------------------------------------------------------------------------- */
 390 static void qla_init_base_qpair(struct scsi_qla_host *vha, struct req_que *req,
 391     struct rsp_que *rsp)
 392 {
 393         struct qla_hw_data *ha = vha->hw;
 394         rsp->qpair = ha->base_qpair;
 395         rsp->req = req;
 396         ha->base_qpair->hw = ha;
 397         ha->base_qpair->req = req;
 398         ha->base_qpair->rsp = rsp;
 399         ha->base_qpair->vha = vha;
 400         ha->base_qpair->qp_lock_ptr = &ha->hardware_lock;
 401         ha->base_qpair->use_shadow_reg = IS_SHADOW_REG_CAPABLE(ha) ? 1 : 0;
 402         ha->base_qpair->msix = &ha->msix_entries[QLA_MSIX_RSP_Q];
 403         ha->base_qpair->srb_mempool = ha->srb_mempool;
 404         INIT_LIST_HEAD(&ha->base_qpair->hints_list);
 405         ha->base_qpair->enable_class_2 = ql2xenableclass2;
 406         /* init qpair to this cpu. Will adjust at run time. */
 407         qla_cpu_update(rsp->qpair, raw_smp_processor_id());
 408         ha->base_qpair->pdev = ha->pdev;
 409
 410         if (IS_QLA27XX(ha) || IS_QLA83XX(ha))
 411                 ha->base_qpair->reqq_start_iocbs = qla_83xx_start_iocbs;
 412 }
 413
 414 static int qla2x00_alloc_queues(struct qla_hw_data *ha, struct req_que *req,
 415                                 struct rsp_que *rsp)
 416 {
 417         scsi_qla_host_t *vha = pci_get_drvdata(ha->pdev);
 418         ha->req_q_map = kcalloc(ha->max_req_queues, sizeof(struct req_que *),
 419                                 GFP_KERNEL);
 420         if (!ha->req_q_map) {
 421                 ql_log(ql_log_fatal, vha, 0x003b,
 422                     "Unable to allocate memory for request queue ptrs.\n");
 423                 goto fail_req_map;
 424         }
 425
 426         ha->rsp_q_map = kcalloc(ha->max_rsp_queues, sizeof(struct rsp_que *),
 427                                 GFP_KERNEL);
 428         if (!ha->rsp_q_map) {
 429                 ql_log(ql_log_fatal, vha, 0x003c,
 430                     "Unable to allocate memory for response queue ptrs.\n");
 431                 goto fail_rsp_map;
 432         }
 433
 434         ha->base_qpair = kzalloc(sizeof(struct qla_qpair), GFP_KERNEL);
 435         if (ha->base_qpair == NULL) {
 436                 ql_log(ql_log_warn, vha, 0x00e0,
 437                     "Failed to allocate base queue pair memory.\n");
 438                 goto fail_base_qpair;
 439         }
 440
 441         qla_init_base_qpair(vha, req, rsp);
 442
 443         if ((ql2xmqsupport || ql2xnvmeenable) && ha->max_qpairs) {
 444                 ha->queue_pair_map = kcalloc(ha->max_qpairs, sizeof(struct qla_qpair *),
 445                         GFP_KERNEL);
 446                 if (!ha->queue_pair_map) {
 447                         ql_log(ql_log_fatal, vha, 0x0180,
 448                             "Unable to allocate memory for queue pair ptrs.\n");
 449                         goto fail_qpair_map;
 450                 }
 451         }
 452
 453         /*
 454          * Make sure we record at least the request and response queue zero in
 455          * case we need to free them if part of the probe fails.
 456          */
 457         ha->rsp_q_map[0] = rsp;
 458         ha->req_q_map[0] = req;
 459         set_bit(0, ha->rsp_qid_map);
 460         set_bit(0, ha->req_qid_map);
 461         return 0;
 462
 463 fail_qpair_map:
 464         kfree(ha->base_qpair);
 465         ha->base_qpair = NULL;
 466 fail_base_qpair:
 467         kfree(ha->rsp_q_map);
 468         ha->rsp_q_map = NULL;
 469 fail_rsp_map:
 470         kfree(ha->req_q_map);
 471         ha->req_q_map = NULL;
 472 fail_req_map:
 473         return -ENOMEM;
 474 }
 475
 476 static void qla2x00_free_req_que(struct qla_hw_data *ha, struct req_que *req)
 477 {
 478         if (IS_QLAFX00(ha)) {
 479                 if (req && req->ring_fx00)
 480                         dma_free_coherent(&ha->pdev->dev,
 481                             (req->length_fx00 + 1) * sizeof(request_t),
 482                             req->ring_fx00, req->dma_fx00);
 483         } else if (req && req->ring)
 484                 dma_free_coherent(&ha->pdev->dev,
 485                 (req->length + 1) * sizeof(request_t),
 486                 req->ring, req->dma);
 487
 488         if (req)
 489                 kfree(req->outstanding_cmds);
 490
 491         kfree(req);
 492 }
 493
 494 static void qla2x00_free_rsp_que(struct qla_hw_data *ha, struct rsp_que *rsp)
 495 {
 496         if (IS_QLAFX00(ha)) {
 497                 if (rsp && rsp->ring_fx00)
 498                         dma_free_coherent(&ha->pdev->dev,
 499                             (rsp->length_fx00 + 1) * sizeof(request_t),
 500                             rsp->ring_fx00, rsp->dma_fx00);
 501         } else if (rsp && rsp->ring) {
 502                 dma_free_coherent(&ha->pdev->dev,
 503                 (rsp->length + 1) * sizeof(response_t),
 504                 rsp->ring, rsp->dma);
 505         }
 506         kfree(rsp);
 507 }
 508
 509 static void qla2x00_free_queues(struct qla_hw_data *ha)
 510 {
 511         struct req_que *req;
 512         struct rsp_que *rsp;
 513         int cnt;
 514         unsigned long flags;
 515
 516         if (ha->queue_pair_map) {
 517                 kfree(ha->queue_pair_map);
 518                 ha->queue_pair_map = NULL;
 519         }
 520         if (ha->base_qpair) {
 521                 kfree(ha->base_qpair);
 522                 ha->base_qpair = NULL;
 523         }
 524
 525         spin_lock_irqsave(&ha->hardware_lock, flags);
 526         for (cnt = 0; cnt < ha->max_req_queues; cnt++) {
 527                 if (!test_bit(cnt, ha->req_qid_map))
 528                         continue;
 529
 530                 req = ha->req_q_map[cnt];
 531                 clear_bit(cnt, ha->req_qid_map);
 532                 ha->req_q_map[cnt] = NULL;
 533
 534                 spin_unlock_irqrestore(&ha->hardware_lock, flags);
 535                 qla2x00_free_req_que(ha, req);
 536                 spin_lock_irqsave(&ha->hardware_lock, flags);
 537         }
 538         spin_unlock_irqrestore(&ha->hardware_lock, flags);
 539
 540         kfree(ha->req_q_map);
 541         ha->req_q_map = NULL;
 542
 543
 544         spin_lock_irqsave(&ha->hardware_lock, flags);
 545         for (cnt = 0; cnt < ha->max_rsp_queues; cnt++) {
 546                 if (!test_bit(cnt, ha->rsp_qid_map))
 547                         continue;
 548
 549                 rsp = ha->rsp_q_map[cnt];
 550                 clear_bit(cnt, ha->rsp_qid_map);
 551                 ha->rsp_q_map[cnt] =  NULL;
 552                 spin_unlock_irqrestore(&ha->hardware_lock, flags);
 553                 qla2x00_free_rsp_que(ha, rsp);
 554                 spin_lock_irqsave(&ha->hardware_lock, flags);
 555         }
 556         spin_unlock_irqrestore(&ha->hardware_lock, flags);
 557
 558         kfree(ha->rsp_q_map);
 559         ha->rsp_q_map = NULL;
 560 }
 561
 562 static char *
 563 qla2x00_pci_info_str(struct scsi_qla_host *vha, char *str)
 564 {
 565         struct qla_hw_data *ha = vha->hw;
 566         static char *pci_bus_modes[] = {
 567                 "33", "66", "100", "133",
 568         };
 569         uint16_t pci_bus;
 570
 571         strcpy(str, "PCI");
 572         pci_bus = (ha->pci_attr & (BIT_9 | BIT_10)) >> 9;
 573         if (pci_bus) {
 574                 strcat(str, "-X (");
 575                 strcat(str, pci_bus_modes[pci_bus]);
 576         } else {
 577                 pci_bus = (ha->pci_attr & BIT_8) >> 8;
 578                 strcat(str, " (");
 579                 strcat(str, pci_bus_modes[pci_bus]);
 580         }
 581         strcat(str, " MHz)");
 582
 583         return (str);
 584 }
 585
 586 static char *
 587 qla24xx_pci_info_str(struct scsi_qla_host *vha, char *str)
 588 {
 589         static char *pci_bus_modes[] = { "33", "66", "100", "133", };
 590         struct qla_hw_data *ha = vha->hw;
 591         uint32_t pci_bus;
 592
 593         if (pci_is_pcie(ha->pdev)) {
 594                 char lwstr[6];
 595                 uint32_t lstat, lspeed, lwidth;
 596
 597                 pcie_capability_read_dword(ha->pdev, PCI_EXP_LNKCAP, &lstat);
 598                 lspeed = lstat & PCI_EXP_LNKCAP_SLS;
 599                 lwidth = (lstat & PCI_EXP_LNKCAP_MLW) >> 4;
 600
 601                 strcpy(str, "PCIe (");
 602                 switch (lspeed) {
 603                 case 1:
 604                         strcat(str, "2.5GT/s ");
 605                         break;
 606                 case 2:
 607                         strcat(str, "5.0GT/s ");
 608                         break;
 609                 case 3:
 610                         strcat(str, "8.0GT/s ");
 611                         break;
 612                 default:
 613                         strcat(str, "<unknown> ");
 614                         break;
 615                 }
 616                 snprintf(lwstr, sizeof(lwstr), "x%d)", lwidth);
 617                 strcat(str, lwstr);
 618
 619                 return str;
 620         }
 621
 622         strcpy(str, "PCI");
 623         pci_bus = (ha->pci_attr & CSRX_PCIX_BUS_MODE_MASK) >> 8;
 624         if (pci_bus == 0 || pci_bus == 8) {
 625                 strcat(str, " (");
 626                 strcat(str, pci_bus_modes[pci_bus >> 3]);
 627         } else {
 628                 strcat(str, "-X ");
 629                 if (pci_bus & BIT_2)
 630                         strcat(str, "Mode 2");
 631                 else
 632                         strcat(str, "Mode 1");
 633                 strcat(str, " (");
 634                 strcat(str, pci_bus_modes[pci_bus & ~BIT_2]);
 635         }
 636         strcat(str, " MHz)");
 637
 638         return str;
 639 }
 640
 641 static char *
 642 qla2x00_fw_version_str(struct scsi_qla_host *vha, char *str, size_t size)
 643 {
 644         char un_str[10];
 645         struct qla_hw_data *ha = vha->hw;
 646
 647         snprintf(str, size, "%d.%02d.%02d ", ha->fw_major_version,
 648             ha->fw_minor_version, ha->fw_subminor_version);
 649
 650         if (ha->fw_attributes & BIT_9) {
 651                 strcat(str, "FLX");
 652                 return (str);
 653         }
 654
 655         switch (ha->fw_attributes & 0xFF) {
 656         case 0x7:
 657                 strcat(str, "EF");
 658                 break;
 659         case 0x17:
 660                 strcat(str, "TP");
 661                 break;
 662         case 0x37:
 663                 strcat(str, "IP");
 664                 break;
 665         case 0x77:
 666                 strcat(str, "VI");
 667                 break;
 668         default:
 669                 sprintf(un_str, "(%x)", ha->fw_attributes);
 670                 strcat(str, un_str);
 671                 break;
 672         }
 673         if (ha->fw_attributes & 0x100)
 674                 strcat(str, "X");
 675
 676         return (str);
 677 }
 678
 679 static char *
 680 qla24xx_fw_version_str(struct scsi_qla_host *vha, char *str, size_t size)
 681 {
 682         struct qla_hw_data *ha = vha->hw;
 683
 684         snprintf(str, size, "%d.%02d.%02d (%x)", ha->fw_major_version,
 685             ha->fw_minor_version, ha->fw_subminor_version, ha->fw_attributes);
 686         return str;
 687 }
 688
 689 void
 690 qla2x00_sp_free_dma(void *ptr)
 691 {
 692         srb_t *sp = ptr;
 693         struct qla_hw_data *ha = sp->vha->hw;
 694         struct scsi_cmnd *cmd = GET_CMD_SP(sp);
 695         void *ctx = GET_CMD_CTX_SP(sp);
 696
 697         if (sp->flags & SRB_DMA_VALID) {
 698                 scsi_dma_unmap(cmd);
 699                 sp->flags &= ~SRB_DMA_VALID;
 700         }
 701
 702         if (sp->flags & SRB_CRC_PROT_DMA_VALID) {
 703                 dma_unmap_sg(&ha->pdev->dev, scsi_prot_sglist(cmd),
 704                     scsi_prot_sg_count(cmd), cmd->sc_data_direction);
 705                 sp->flags &= ~SRB_CRC_PROT_DMA_VALID;
 706         }
 707
 708         if (!ctx)
 709                 goto end;
 710
 711         if (sp->flags & SRB_CRC_CTX_DSD_VALID) {
 712                 /* List assured to be having elements */
 713                 qla2x00_clean_dsd_pool(ha, ctx);
 714                 sp->flags &= ~SRB_CRC_CTX_DSD_VALID;
 715         }
 716
 717         if (sp->flags & SRB_CRC_CTX_DMA_VALID) {
 718                 struct crc_context *ctx0 = ctx;
 719
 720                 dma_pool_free(ha->dl_dma_pool, ctx0, ctx0->crc_ctx_dma);
 721                 sp->flags &= ~SRB_CRC_CTX_DMA_VALID;
 722         }
 723
 724         if (sp->flags & SRB_FCP_CMND_DMA_VALID) {
 725                 struct ct6_dsd *ctx1 = ctx;
 726
 727                 dma_pool_free(ha->fcp_cmnd_dma_pool, ctx1->fcp_cmnd,
 728                     ctx1->fcp_cmnd_dma);
 729                 list_splice(&ctx1->dsd_list, &ha->gbl_dsd_list);
 730                 ha->gbl_dsd_inuse -= ctx1->dsd_use_cnt;
 731                 ha->gbl_dsd_avail += ctx1->dsd_use_cnt;
 732                 mempool_free(ctx1, ha->ctx_mempool);
 733         }
 734
 735 end:
 736         if (sp->type != SRB_NVME_CMD && sp->type != SRB_NVME_LS) {
 737                 CMD_SP(cmd) = NULL;
 738                 qla2x00_rel_sp(sp);
 739         }
 740 }
 741
 742 void
 743 qla2x00_sp_compl(void *ptr, int res)
 744 {
 745         srb_t *sp = ptr;
 746         struct scsi_cmnd *cmd = GET_CMD_SP(sp);
 747
 748         cmd->result = res;
 749
 750         if (atomic_read(&sp->ref_count) == 0) {
 751                 ql_dbg(ql_dbg_io, sp->vha, 0x3015,
 752                     "SP reference-count to ZERO -- sp=%p cmd=%p.\n",
 753                     sp, GET_CMD_SP(sp));
 754                 if (ql2xextended_error_logging & ql_dbg_io)
 755                         WARN_ON(atomic_read(&sp->ref_count) == 0);
 756                 return;
 757         }
 758         if (!atomic_dec_and_test(&sp->ref_count))
 759                 return;
 760
 761         sp->free(sp);
 762         cmd->scsi_done(cmd);
 763 }
 764
 765 void
 766 qla2xxx_qpair_sp_free_dma(void *ptr)
 767 {
 768         srb_t *sp = (srb_t *)ptr;
 769         struct scsi_cmnd *cmd = GET_CMD_SP(sp);
 770         struct qla_hw_data *ha = sp->fcport->vha->hw;
 771         void *ctx = GET_CMD_CTX_SP(sp);
 772
 773         if (sp->flags & SRB_DMA_VALID) {
 774                 scsi_dma_unmap(cmd);
 775                 sp->flags &= ~SRB_DMA_VALID;
 776         }
 777
 778         if (sp->flags & SRB_CRC_PROT_DMA_VALID) {
 779                 dma_unmap_sg(&ha->pdev->dev, scsi_prot_sglist(cmd),
 780                     scsi_prot_sg_count(cmd), cmd->sc_data_direction);
 781                 sp->flags &= ~SRB_CRC_PROT_DMA_VALID;
 782         }
 783
 784         if (!ctx)
 785                 goto end;
 786
 787         if (sp->flags & SRB_CRC_CTX_DSD_VALID) {
 788                 /* List assured to be having elements */
 789                 qla2x00_clean_dsd_pool(ha, ctx);
 790                 sp->flags &= ~SRB_CRC_CTX_DSD_VALID;
 791         }
 792
 793         if (sp->flags & SRB_CRC_CTX_DMA_VALID) {
 794                 struct crc_context *ctx0 = ctx;
 795
 796                 dma_pool_free(ha->dl_dma_pool, ctx, ctx0->crc_ctx_dma);
 797                 sp->flags &= ~SRB_CRC_CTX_DMA_VALID;
 798         }
 799
 800         if (sp->flags & SRB_FCP_CMND_DMA_VALID) {
 801                 struct ct6_dsd *ctx1 = ctx;
 802                 dma_pool_free(ha->fcp_cmnd_dma_pool, ctx1->fcp_cmnd,
 803                     ctx1->fcp_cmnd_dma);
 804                 list_splice(&ctx1->dsd_list, &ha->gbl_dsd_list);
 805                 ha->gbl_dsd_inuse -= ctx1->dsd_use_cnt;
 806                 ha->gbl_dsd_avail += ctx1->dsd_use_cnt;
 807                 mempool_free(ctx1, ha->ctx_mempool);
 808         }
 809 end:
 810         CMD_SP(cmd) = NULL;
 811         qla2xxx_rel_qpair_sp(sp->qpair, sp);
 812 }
 813
 814 void
 815 qla2xxx_qpair_sp_compl(void *ptr, int res)
 816 {
 817         srb_t *sp = ptr;
 818         struct scsi_cmnd *cmd = GET_CMD_SP(sp);
 819
 820         cmd->result = res;
 821
 822         if (atomic_read(&sp->ref_count) == 0) {
 823                 ql_dbg(ql_dbg_io, sp->fcport->vha, 0x3079,
 824                     "SP reference-count to ZERO -- sp=%p cmd=%p.\n",
 825                     sp, GET_CMD_SP(sp));
 826                 if (ql2xextended_error_logging & ql_dbg_io)
 827                         WARN_ON(atomic_read(&sp->ref_count) == 0);
 828                 return;
 829         }
 830         if (!atomic_dec_and_test(&sp->ref_count))
 831                 return;
 832
 833         sp->free(sp);
 834         cmd->scsi_done(cmd);
 835 }
 836
 837 /* If we are SP1 here, we need to still take and release the host_lock as SP1
 838  * does not have the changes necessary to avoid taking host->host_lock.
 839  */
 840 static int
 841 qla2xxx_queuecommand(struct Scsi_Host *host, struct scsi_cmnd *cmd)
 842 {
 843         scsi_qla_host_t *vha = shost_priv(host);
 844         fc_port_t *fcport = (struct fc_port *) cmd->device->hostdata;
 845         struct fc_rport *rport = starget_to_rport(scsi_target(cmd->device));
 846         struct qla_hw_data *ha = vha->hw;
 847         struct scsi_qla_host *base_vha = pci_get_drvdata(ha->pdev);
 848         srb_t *sp;
 849         int rval;
 850         struct qla_qpair *qpair = NULL;
 851         uint32_t tag;
 852         uint16_t hwq;
 853
 854         if (unlikely(test_bit(UNLOADING, &base_vha->dpc_flags))) {
 855                 cmd->result = DID_NO_CONNECT << 16;
 856                 goto qc24_fail_command;
 857         }
 858
 859         if (ha->mqenable) {
 860                 if (shost_use_blk_mq(vha->host)) {
 861                         tag = blk_mq_unique_tag(cmd->request);
 862                         hwq = blk_mq_unique_tag_to_hwq(tag);
 863                         qpair = ha->queue_pair_map[hwq];
 864                 } else if (vha->vp_idx && vha->qpair) {
 865                         qpair = vha->qpair;
 866                 }
 867
 868                 if (qpair)
 869                         return qla2xxx_mqueuecommand(host, cmd, qpair);
 870         }
 871
 872         if (ha->flags.eeh_busy) {
 873                 if (ha->flags.pci_channel_io_perm_failure) {
 874                         ql_dbg(ql_dbg_aer, vha, 0x9010,
 875                             "PCI Channel IO permanent failure, exiting "
 876                             "cmd=%p.\n", cmd);
 877                         cmd->result = DID_NO_CONNECT << 16;
 878                 } else {
 879                         ql_dbg(ql_dbg_aer, vha, 0x9011,
 880                             "EEH_Busy, Requeuing the cmd=%p.\n", cmd);
 881                         cmd->result = DID_REQUEUE << 16;
 882                 }
 883                 goto qc24_fail_command;
 884         }
 885
 886         rval = fc_remote_port_chkready(rport);
 887         if (rval) {
 888                 cmd->result = rval;
 889                 ql_dbg(ql_dbg_io + ql_dbg_verbose, vha, 0x3003,
 890                     "fc_remote_port_chkready failed for cmd=%p, rval=0x%x.\n",
 891                     cmd, rval);
 892                 goto qc24_fail_command;
 893         }
 894
 895         if (!vha->flags.difdix_supported &&
 896                 scsi_get_prot_op(cmd) != SCSI_PROT_NORMAL) {
 897                         ql_dbg(ql_dbg_io, vha, 0x3004,
 898                             "DIF Cap not reg, fail DIF capable cmd's:%p.\n",
 899                             cmd);
 900                         cmd->result = DID_NO_CONNECT << 16;
 901                         goto qc24_fail_command;
 902         }
 903
 904         if (!fcport) {
 905                 cmd->result = DID_NO_CONNECT << 16;
 906                 goto qc24_fail_command;
 907         }
 908
 909         if (atomic_read(&fcport->state) != FCS_ONLINE) {
 910                 if (atomic_read(&fcport->state) == FCS_DEVICE_DEAD ||
 911                         atomic_read(&base_vha->loop_state) == LOOP_DEAD) {
 912                         ql_dbg(ql_dbg_io, vha, 0x3005,
 913                             "Returning DNC, fcport_state=%d loop_state=%d.\n",
 914                             atomic_read(&fcport->state),
 915                             atomic_read(&base_vha->loop_state));
 916                         cmd->result = DID_NO_CONNECT << 16;
 917                         goto qc24_fail_command;
 918                 }
 919                 goto qc24_target_busy;
 920         }
 921
 922         /*
 923          * Return target busy if we've received a non-zero retry_delay_timer
 924          * in a FCP_RSP.
 925          */
 926         if (fcport->retry_delay_timestamp == 0) {
 927                 /* retry delay not set */
 928         } else if (time_after(jiffies, fcport->retry_delay_timestamp))
 929                 fcport->retry_delay_timestamp = 0;
 930         else
 931                 goto qc24_target_busy;
 932
 933         sp = qla2x00_get_sp(vha, fcport, GFP_ATOMIC);
 934         if (!sp)
 935                 goto qc24_host_busy;
 936
 937         sp->u.scmd.cmd = cmd;
 938         sp->type = SRB_SCSI_CMD;
 939         atomic_set(&sp->ref_count, 1);
 940         CMD_SP(cmd) = (void *)sp;
 941         sp->free = qla2x00_sp_free_dma;
 942         sp->done = qla2x00_sp_compl;
 943
 944         rval = ha->isp_ops->start_scsi(sp);
 945         if (rval != QLA_SUCCESS) {
 946                 ql_dbg(ql_dbg_io + ql_dbg_verbose, vha, 0x3013,
 947                     "Start scsi failed rval=%d for cmd=%p.\n", rval, cmd);
 948                 goto qc24_host_busy_free_sp;
 949         }
 950
 951         return 0;
 952
 953 qc24_host_busy_free_sp:
 954         sp->free(sp);
 955
 956 qc24_host_busy:
 957         return SCSI_MLQUEUE_HOST_BUSY;
 958
 959 qc24_target_busy:
 960         return SCSI_MLQUEUE_TARGET_BUSY;
 961
 962 qc24_fail_command:
 963         cmd->scsi_done(cmd);
 964
 965         return 0;
 966 }
 967
 968 /* For MQ supported I/O */
 969 int
 970 qla2xxx_mqueuecommand(struct Scsi_Host *host, struct scsi_cmnd *cmd,
 971     struct qla_qpair *qpair)
 972 {
 973         scsi_qla_host_t *vha = shost_priv(host);
 974         fc_port_t *fcport = (struct fc_port *) cmd->device->hostdata;
 975         struct fc_rport *rport = starget_to_rport(scsi_target(cmd->device));
 976         struct qla_hw_data *ha = vha->hw;
 977         struct scsi_qla_host *base_vha = pci_get_drvdata(ha->pdev);
 978         srb_t *sp;
 979         int rval;
 980
 981         rval = fc_remote_port_chkready(rport);
 982         if (rval) {
 983                 cmd->result = rval;
 984                 ql_dbg(ql_dbg_io + ql_dbg_verbose, vha, 0x3076,
 985                     "fc_remote_port_chkready failed for cmd=%p, rval=0x%x.\n",
 986                     cmd, rval);
 987                 goto qc24_fail_command;
 988         }
 989
 990         if (!fcport) {
 991                 cmd->result = DID_NO_CONNECT << 16;
 992                 goto qc24_fail_command;
 993         }
 994
 995         if (atomic_read(&fcport->state) != FCS_ONLINE) {
 996                 if (atomic_read(&fcport->state) == FCS_DEVICE_DEAD ||
 997                         atomic_read(&base_vha->loop_state) == LOOP_DEAD) {
 998                         ql_dbg(ql_dbg_io, vha, 0x3077,
 999                             "Returning DNC, fcport_state=%d loop_state=%d.\n",
1000                             atomic_read(&fcport->state),
1001                             atomic_read(&base_vha->loop_state));
1002                         cmd->result = DID_NO_CONNECT << 16;
1003                         goto qc24_fail_command;
1004                 }
1005                 goto qc24_target_busy;
1006         }
1007
1008         /*
1009          * Return target busy if we've received a non-zero retry_delay_timer
1010          * in a FCP_RSP.
1011          */
1012         if (fcport->retry_delay_timestamp == 0) {
1013                 /* retry delay not set */
1014         } else if (time_after(jiffies, fcport->retry_delay_timestamp))
1015                 fcport->retry_delay_timestamp = 0;
1016         else
1017                 goto qc24_target_busy;
1018
1019         sp = qla2xxx_get_qpair_sp(vha, qpair, fcport, GFP_ATOMIC);
1020         if (!sp)
1021                 goto qc24_host_busy;
1022
1023         sp->u.scmd.cmd = cmd;
1024         sp->type = SRB_SCSI_CMD;
1025         atomic_set(&sp->ref_count, 1);
1026         CMD_SP(cmd) = (void *)sp;
1027         sp->free = qla2xxx_qpair_sp_free_dma;
1028         sp->done = qla2xxx_qpair_sp_compl;
1029         sp->qpair = qpair;
1030
1031         rval = ha->isp_ops->start_scsi_mq(sp);
1032         if (rval != QLA_SUCCESS) {
1033                 ql_dbg(ql_dbg_io + ql_dbg_verbose, vha, 0x3078,
1034                     "Start scsi failed rval=%d for cmd=%p.\n", rval, cmd);
1035                 if (rval == QLA_INTERFACE_ERROR)
1036                         goto qc24_fail_command;
1037                 goto qc24_host_busy_free_sp;
1038         }
1039
1040         return 0;
1041
1042 qc24_host_busy_free_sp:
1043         sp->free(sp);
1044
1045 qc24_host_busy:
1046         return SCSI_MLQUEUE_HOST_BUSY;
1047
1048 qc24_target_busy:
1049         return SCSI_MLQUEUE_TARGET_BUSY;
1050
1051 qc24_fail_command:
1052         cmd->scsi_done(cmd);
1053
1054         return 0;
1055 }
1056
1057 /*
1058  * qla2x00_eh_wait_on_command
1059  *    Waits for the command to be returned by the Firmware for some
1060  *    max time.
1061  *
1062  * Input:
1063  *    cmd = Scsi Command to wait on.
1064  *
1065  * Return:
1066  *    Not Found : 0
1067  *    Found : 1
1068  */
1069 static int
1070 qla2x00_eh_wait_on_command(struct scsi_cmnd *cmd)
1071 {
1072 #define ABORT_POLLING_PERIOD    1000
1073 #define ABORT_WAIT_ITER         ((2 * 1000) / (ABORT_POLLING_PERIOD))
1074         unsigned long wait_iter = ABORT_WAIT_ITER;
1075         scsi_qla_host_t *vha = shost_priv(cmd->device->host);
1076         struct qla_hw_data *ha = vha->hw;
1077         int ret = QLA_SUCCESS;
1078
1079         if (unlikely(pci_channel_offline(ha->pdev)) || ha->flags.eeh_busy) {
1080                 ql_dbg(ql_dbg_taskm, vha, 0x8005,
1081                     "Return:eh_wait.\n");
1082                 return ret;
1083         }
1084
1085         while (CMD_SP(cmd) && wait_iter--) {
1086                 msleep(ABORT_POLLING_PERIOD);
1087         }
1088         if (CMD_SP(cmd))
1089                 ret = QLA_FUNCTION_FAILED;
1090
1091         return ret;
1092 }
1093
1094 /*
1095  * qla2x00_wait_for_hba_online
1096  *    Wait till the HBA is online after going through
1097  *    <= MAX_RETRIES_OF_ISP_ABORT  or
1098  *    finally HBA is disabled ie marked offline
1099  *
1100  * Input:
1101  *     ha - pointer to host adapter structure
1102  *
1103  * Note:
1104  *    Does context switching-Release SPIN_LOCK
1105  *    (if any) before calling this routine.
1106  *
1107  * Return:
1108  *    Success (Adapter is online) : 0
1109  *    Failed  (Adapter is offline/disabled) : 1
1110  */
1111 int
1112 qla2x00_wait_for_hba_online(scsi_qla_host_t *vha)
1113 {
1114         int             return_status;
1115         unsigned long   wait_online;
1116         struct qla_hw_data *ha = vha->hw;
1117         scsi_qla_host_t *base_vha = pci_get_drvdata(ha->pdev);
1118
1119         wait_online = jiffies + (MAX_LOOP_TIMEOUT * HZ);
1120         while (((test_bit(ISP_ABORT_NEEDED, &base_vha->dpc_flags)) ||
1121             test_bit(ABORT_ISP_ACTIVE, &base_vha->dpc_flags) ||
1122             test_bit(ISP_ABORT_RETRY, &base_vha->dpc_flags) ||
1123             ha->dpc_active) && time_before(jiffies, wait_online)) {
1124
1125                 msleep(1000);
1126         }
1127         if (base_vha->flags.online)
1128                 return_status = QLA_SUCCESS;
1129         else
1130                 return_status = QLA_FUNCTION_FAILED;
1131
1132         return (return_status);
1133 }
1134
1135 static inline int test_fcport_count(scsi_qla_host_t *vha)
1136 {
1137         struct qla_hw_data *ha = vha->hw;
1138         unsigned long flags;
1139         int res;
1140
1141         spin_lock_irqsave(&ha->tgt.sess_lock, flags);
1142         ql_dbg(ql_dbg_init, vha, 0x00ec,
1143             "tgt %p, fcport_count=%d\n",
1144             vha, vha->fcport_count);
1145         res = (vha->fcport_count == 0);
1146         spin_unlock_irqrestore(&ha->tgt.sess_lock, flags);
1147
1148         return res;
1149 }
1150
1151 /*
1152  * qla2x00_wait_for_sess_deletion can only be called from remove_one.
1153  * it has dependency on UNLOADING flag to stop device discovery
1154  */
1155 void
1156 qla2x00_wait_for_sess_deletion(scsi_qla_host_t *vha)
1157 {
1158         qla2x00_mark_all_devices_lost(vha, 0);
1159
1160         wait_event_timeout(vha->fcport_waitQ, test_fcport_count(vha), 10*HZ);
1161 }
1162
1163 /*
1164  * qla2x00_wait_for_hba_ready
1165  * Wait till the HBA is ready before doing driver unload
1166  *
1167  * Input:
1168  *     ha - pointer to host adapter structure
1169  *
1170  * Note:
1171  *    Does context switching-Release SPIN_LOCK
1172  *    (if any) before calling this routine.
1173  *
1174  */
1175 static void
1176 qla2x00_wait_for_hba_ready(scsi_qla_host_t *vha)
1177 {
1178         struct qla_hw_data *ha = vha->hw;
1179         scsi_qla_host_t *base_vha = pci_get_drvdata(ha->pdev);
1180
1181         while ((qla2x00_reset_active(vha) || ha->dpc_active ||
1182                 ha->flags.mbox_busy) ||
1183                test_bit(FX00_RESET_RECOVERY, &vha->dpc_flags) ||
1184                test_bit(FX00_TARGET_SCAN, &vha->dpc_flags)) {
1185                 if (test_bit(UNLOADING, &base_vha->dpc_flags))
1186                         break;
1187                 msleep(1000);
1188         }
1189 }
1190
1191 int
1192 qla2x00_wait_for_chip_reset(scsi_qla_host_t *vha)
1193 {
1194         int             return_status;
1195         unsigned long   wait_reset;
1196         struct qla_hw_data *ha = vha->hw;
1197         scsi_qla_host_t *base_vha = pci_get_drvdata(ha->pdev);
1198
1199         wait_reset = jiffies + (MAX_LOOP_TIMEOUT * HZ);
1200         while (((test_bit(ISP_ABORT_NEEDED, &base_vha->dpc_flags)) ||
1201             test_bit(ABORT_ISP_ACTIVE, &base_vha->dpc_flags) ||
1202             test_bit(ISP_ABORT_RETRY, &base_vha->dpc_flags) ||
1203             ha->dpc_active) && time_before(jiffies, wait_reset)) {
1204
1205                 msleep(1000);
1206
1207                 if (!test_bit(ISP_ABORT_NEEDED, &base_vha->dpc_flags) &&
1208                     ha->flags.chip_reset_done)
1209                         break;
1210         }
1211         if (ha->flags.chip_reset_done)
1212                 return_status = QLA_SUCCESS;
1213         else
1214                 return_status = QLA_FUNCTION_FAILED;
1215
1216         return return_status;
1217 }
1218
1219 static int
1220 sp_get(struct srb *sp)
1221 {
1222         if (!refcount_inc_not_zero((refcount_t*)&sp->ref_count))
1223                 /* kref get fail */
1224                 return ENXIO;
1225         else
1226                 return 0;
1227 }
1228
1229 #define ISP_REG_DISCONNECT 0xffffffffU
1230 /**************************************************************************
1231 * qla2x00_isp_reg_stat
1232 *
1233 * Description:
1234 *       Read the host status register of ISP before aborting the command.
1235 *
1236 * Input:
1237 *       ha = pointer to host adapter structure.
1238 *
1239 *
1240 * Returns:
1241 *       Either true or false.
1242 *
1243 * Note: Return true if there is register disconnect.
1244 **************************************************************************/
1245 static inline
1246 uint32_t qla2x00_isp_reg_stat(struct qla_hw_data *ha)
1247 {
1248         struct device_reg_24xx __iomem *reg = &ha->iobase->isp24;
1249         struct device_reg_82xx __iomem *reg82 = &ha->iobase->isp82;
1250
1251         if (IS_P3P_TYPE(ha))
1252                 return ((RD_REG_DWORD(&reg82->host_int)) == ISP_REG_DISCONNECT);
1253         else
1254                 return ((RD_REG_DWORD(&reg->host_status)) ==
1255                         ISP_REG_DISCONNECT);
1256 }
1257
1258 /**************************************************************************
1259 * qla2xxx_eh_abort
1260 *
1261 * Description:
1262 *    The abort function will abort the specified command.
1263 *
1264 * Input:
1265 *    cmd = Linux SCSI command packet to be aborted.
1266 *
1267 * Returns:
1268 *    Either SUCCESS or FAILED.
1269 *
1270 * Note:
1271 *    Only return FAILED if command not returned by firmware.
1272 **************************************************************************/
1273 static int
1274 qla2xxx_eh_abort(struct scsi_cmnd *cmd)
1275 {
1276         scsi_qla_host_t *vha = shost_priv(cmd->device->host);
1277         srb_t *sp;
1278         int ret;
1279         unsigned int id;
1280         uint64_t lun;
1281         unsigned long flags;
1282         int rval, wait = 0;
1283         struct qla_hw_data *ha = vha->hw;
1284         struct qla_qpair *qpair;
1285
1286         if (qla2x00_isp_reg_stat(ha)) {
1287                 ql_log(ql_log_info, vha, 0x8042,
1288                     "PCI/Register disconnect, exiting.\n");
1289                 return FAILED;
1290         }
1291
1292         ret = fc_block_scsi_eh(cmd);
1293         if (ret != 0)
1294                 return ret;
1295         ret = SUCCESS;
1296
1297         sp = (srb_t *) CMD_SP(cmd);
1298         if (!sp)
1299                 return SUCCESS;
1300
1301         qpair = sp->qpair;
1302         if (!qpair)
1303                 return SUCCESS;
1304
1305         spin_lock_irqsave(qpair->qp_lock_ptr, flags);
1306         if (!CMD_SP(cmd)) {
1307                 /* there's a chance an interrupt could clear
1308                    the ptr as part of done & free */
1309                 spin_unlock_irqrestore(qpair->qp_lock_ptr, flags);
1310                 return SUCCESS;
1311         }
1312
1313         if (sp_get(sp)){
1314                 /* ref_count is already 0 */
1315                 spin_unlock_irqrestore(qpair->qp_lock_ptr, flags);
1316                 return SUCCESS;
1317         }
1318         spin_unlock_irqrestore(qpair->qp_lock_ptr, flags);
1319
1320         id = cmd->device->id;
1321         lun = cmd->device->lun;
1322
1323         ql_dbg(ql_dbg_taskm, vha, 0x8002,
1324             "Aborting from RISC nexus=%ld:%d:%llu sp=%p cmd=%p handle=%x\n",
1325             vha->host_no, id, lun, sp, cmd, sp->handle);
1326
1327         /* Get a reference to the sp and drop the lock.*/
1328
1329         rval = ha->isp_ops->abort_command(sp);
1330         if (rval) {
1331                 if (rval == QLA_FUNCTION_PARAMETER_ERROR)
1332                         ret = SUCCESS;
1333                 else
1334                         ret = FAILED;
1335
1336                 ql_dbg(ql_dbg_taskm, vha, 0x8003,
1337                     "Abort command mbx failed cmd=%p, rval=%x.\n", cmd, rval);
1338         } else {
1339                 ql_dbg(ql_dbg_taskm, vha, 0x8004,
1340                     "Abort command mbx success cmd=%p.\n", cmd);
1341                 wait = 1;
1342         }
1343
1344         spin_lock_irqsave(qpair->qp_lock_ptr, flags);
1345         /*
1346          * Clear the slot in the oustanding_cmds array if we can't find the
1347          * command to reclaim the resources.
1348          */
1349         if (rval == QLA_FUNCTION_PARAMETER_ERROR)
1350                 vha->req->outstanding_cmds[sp->handle] = NULL;
1351
1352         /*
1353          * sp->done will do ref_count--
1354          * sp_get() took an extra count above
1355          */
1356         sp->done(sp, DID_RESET << 16);
1357
1358         /* Did the command return during mailbox execution? */
1359         if (ret == FAILED && !CMD_SP(cmd))
1360                 ret = SUCCESS;
1361
1362         if (!CMD_SP(cmd))
1363                 wait = 0;
1364
1365         spin_unlock_irqrestore(qpair->qp_lock_ptr, flags);
1366
1367         /* Wait for the command to be returned. */
1368         if (wait) {
1369                 if (qla2x00_eh_wait_on_command(cmd) != QLA_SUCCESS) {
1370                         ql_log(ql_log_warn, vha, 0x8006,
1371                             "Abort handler timed out cmd=%p.\n", cmd);
1372                         ret = FAILED;
1373                 }
1374         }
1375
1376         ql_log(ql_log_info, vha, 0x801c,
1377             "Abort command issued nexus=%ld:%d:%llu --  %d %x.\n",
1378             vha->host_no, id, lun, wait, ret);
1379
1380         return ret;
1381 }
1382
1383 int
1384 qla2x00_eh_wait_for_pending_commands(scsi_qla_host_t *vha, unsigned int t,
1385         uint64_t l, enum nexus_wait_type type)
1386 {
1387         int cnt, match, status;
1388         unsigned long flags;
1389         struct qla_hw_data *ha = vha->hw;
1390         struct req_que *req;
1391         srb_t *sp;
1392         struct scsi_cmnd *cmd;
1393
1394         status = QLA_SUCCESS;
1395
1396         spin_lock_irqsave(&ha->hardware_lock, flags);
1397         req = vha->req;
1398         for (cnt = 1; status == QLA_SUCCESS &&
1399                 cnt < req->num_outstanding_cmds; cnt++) {
1400                 sp = req->outstanding_cmds[cnt];
1401                 if (!sp)
1402                         continue;
1403                 if (sp->type != SRB_SCSI_CMD)
1404                         continue;
1405                 if (vha->vp_idx != sp->vha->vp_idx)
1406                         continue;
1407                 match = 0;
1408                 cmd = GET_CMD_SP(sp);
1409                 switch (type) {
1410                 case WAIT_HOST:
1411                         match = 1;
1412                         break;
1413                 case WAIT_TARGET:
1414                         match = cmd->device->id == t;
1415                         break;
1416                 case WAIT_LUN:
1417                         match = (cmd->device->id == t &&
1418                                 cmd->device->lun == l);
1419                         break;
1420                 }
1421                 if (!match)
1422                         continue;
1423
1424                 spin_unlock_irqrestore(&ha->hardware_lock, flags);
1425                 status = qla2x00_eh_wait_on_command(cmd);
1426                 spin_lock_irqsave(&ha->hardware_lock, flags);
1427         }
1428         spin_unlock_irqrestore(&ha->hardware_lock, flags);
1429
1430         return status;
1431 }
1432
1433 static char *reset_errors[] = {
1434         "HBA not online",
1435         "HBA not ready",
1436         "Task management failed",
1437         "Waiting for command completions",
1438 };
1439
1440 static int
1441 __qla2xxx_eh_generic_reset(char *name, enum nexus_wait_type type,
1442     struct scsi_cmnd *cmd, int (*do_reset)(struct fc_port *, uint64_t, int))
1443 {
1444         scsi_qla_host_t *vha = shost_priv(cmd->device->host);
1445         fc_port_t *fcport = (struct fc_port *) cmd->device->hostdata;
1446         int err;
1447
1448         if (!fcport) {
1449                 return FAILED;
1450         }
1451
1452         err = fc_block_scsi_eh(cmd);
1453         if (err != 0)
1454                 return err;
1455
1456         ql_log(ql_log_info, vha, 0x8009,
1457             "%s RESET ISSUED nexus=%ld:%d:%llu cmd=%p.\n", name, vha->host_no,
1458             cmd->device->id, cmd->device->lun, cmd);
1459
1460         err = 0;
1461         if (qla2x00_wait_for_hba_online(vha) != QLA_SUCCESS) {
1462                 ql_log(ql_log_warn, vha, 0x800a,
1463                     "Wait for hba online failed for cmd=%p.\n", cmd);
1464                 goto eh_reset_failed;
1465         }
1466         err = 2;
1467         if (do_reset(fcport, cmd->device->lun, cmd->request->cpu + 1)
1468                 != QLA_SUCCESS) {
1469                 ql_log(ql_log_warn, vha, 0x800c,
1470                     "do_reset failed for cmd=%p.\n", cmd);
1471                 goto eh_reset_failed;
1472         }
1473         err = 3;
1474         if (qla2x00_eh_wait_for_pending_commands(vha, cmd->device->id,
1475             cmd->device->lun, type) != QLA_SUCCESS) {
1476                 ql_log(ql_log_warn, vha, 0x800d,
1477                     "wait for pending cmds failed for cmd=%p.\n", cmd);
1478                 goto eh_reset_failed;
1479         }
1480
1481         ql_log(ql_log_info, vha, 0x800e,
1482             "%s RESET SUCCEEDED nexus:%ld:%d:%llu cmd=%p.\n", name,
1483             vha->host_no, cmd->device->id, cmd->device->lun, cmd);
1484
1485         return SUCCESS;
1486
1487 eh_reset_failed:
1488         ql_log(ql_log_info, vha, 0x800f,
1489             "%s RESET FAILED: %s nexus=%ld:%d:%llu cmd=%p.\n", name,
1490             reset_errors[err], vha->host_no, cmd->device->id, cmd->device->lun,
1491             cmd);
1492         return FAILED;
1493 }
1494
1495 static int
1496 qla2xxx_eh_device_reset(struct scsi_cmnd *cmd)
1497 {
1498         scsi_qla_host_t *vha = shost_priv(cmd->device->host);
1499         struct qla_hw_data *ha = vha->hw;
1500
1501         if (qla2x00_isp_reg_stat(ha)) {
1502                 ql_log(ql_log_info, vha, 0x803e,
1503                     "PCI/Register disconnect, exiting.\n");
1504                 return FAILED;
1505         }
1506
1507         return __qla2xxx_eh_generic_reset("DEVICE", WAIT_LUN, cmd,
1508             ha->isp_ops->lun_reset);
1509 }
1510
1511 static int
1512 qla2xxx_eh_target_reset(struct scsi_cmnd *cmd)
1513 {
1514         scsi_qla_host_t *vha = shost_priv(cmd->device->host);
1515         struct qla_hw_data *ha = vha->hw;
1516
1517         if (qla2x00_isp_reg_stat(ha)) {
1518                 ql_log(ql_log_info, vha, 0x803f,
1519                     "PCI/Register disconnect, exiting.\n");
1520                 return FAILED;
1521         }
1522
1523         return __qla2xxx_eh_generic_reset("TARGET", WAIT_TARGET, cmd,
1524             ha->isp_ops->target_reset);
1525 }
1526
1527 /**************************************************************************
1528 * qla2xxx_eh_bus_reset
1529 *
1530 * Description:
1531 *    The bus reset function will reset the bus and abort any executing
1532 *    commands.
1533 *
1534 * Input:
1535 *    cmd = Linux SCSI command packet of the command that cause the
1536 *          bus reset.
1537 *
1538 * Returns:
1539 *    SUCCESS/FAILURE (defined as macro in scsi.h).
1540 *
1541 **************************************************************************/
1542 static int
1543 qla2xxx_eh_bus_reset(struct scsi_cmnd *cmd)
1544 {
1545         scsi_qla_host_t *vha = shost_priv(cmd->device->host);
1546         fc_port_t *fcport = (struct fc_port *) cmd->device->hostdata;
1547         int ret = FAILED;
1548         unsigned int id;
1549         uint64_t lun;
1550         struct qla_hw_data *ha = vha->hw;
1551
1552         if (qla2x00_isp_reg_stat(ha)) {
1553                 ql_log(ql_log_info, vha, 0x8040,
1554                     "PCI/Register disconnect, exiting.\n");
1555                 return FAILED;
1556         }
1557
1558         id = cmd->device->id;
1559         lun = cmd->device->lun;
1560
1561         if (!fcport) {
1562                 return ret;
1563         }
1564
1565         ret = fc_block_scsi_eh(cmd);
1566         if (ret != 0)
1567                 return ret;
1568         ret = FAILED;
1569
1570         ql_log(ql_log_info, vha, 0x8012,
1571             "BUS RESET ISSUED nexus=%ld:%d:%llu.\n", vha->host_no, id, lun);
1572
1573         if (qla2x00_wait_for_hba_online(vha) != QLA_SUCCESS) {
1574                 ql_log(ql_log_fatal, vha, 0x8013,
1575                     "Wait for hba online failed board disabled.\n");
1576                 goto eh_bus_reset_done;
1577         }
1578
1579         if (qla2x00_loop_reset(vha) == QLA_SUCCESS)
1580                 ret = SUCCESS;
1581
1582         if (ret == FAILED)
1583                 goto eh_bus_reset_done;
1584
1585         /* Flush outstanding commands. */
1586         if (qla2x00_eh_wait_for_pending_commands(vha, 0, 0, WAIT_HOST) !=
1587             QLA_SUCCESS) {
1588                 ql_log(ql_log_warn, vha, 0x8014,
1589                     "Wait for pending commands failed.\n");
1590                 ret = FAILED;
1591         }
1592
1593 eh_bus_reset_done:
1594         ql_log(ql_log_warn, vha, 0x802b,
1595             "BUS RESET %s nexus=%ld:%d:%llu.\n",
1596             (ret == FAILED) ? "FAILED" : "SUCCEEDED", vha->host_no, id, lun);
1597
1598         return ret;
1599 }
1600
1601 /**************************************************************************
1602 * qla2xxx_eh_host_reset
1603 *
1604 * Description:
1605 *    The reset function will reset the Adapter.
1606 *
1607 * Input:
1608 *      cmd = Linux SCSI command packet of the command that cause the
1609 *            adapter reset.
1610 *
1611 * Returns:
1612 *      Either SUCCESS or FAILED.
1613 *
1614 * Note:
1615 **************************************************************************/
1616 static int
1617 qla2xxx_eh_host_reset(struct scsi_cmnd *cmd)
1618 {
1619         scsi_qla_host_t *vha = shost_priv(cmd->device->host);
1620         struct qla_hw_data *ha = vha->hw;
1621         int ret = FAILED;
1622         unsigned int id;
1623         uint64_t lun;
1624         scsi_qla_host_t *base_vha = pci_get_drvdata(ha->pdev);
1625
1626         if (qla2x00_isp_reg_stat(ha)) {
1627                 ql_log(ql_log_info, vha, 0x8041,
1628                     "PCI/Register disconnect, exiting.\n");
1629                 schedule_work(&ha->board_disable);
1630                 return SUCCESS;
1631         }
1632
1633         id = cmd->device->id;
1634         lun = cmd->device->lun;
1635
1636         ql_log(ql_log_info, vha, 0x8018,
1637             "ADAPTER RESET ISSUED nexus=%ld:%d:%llu.\n", vha->host_no, id, lun);
1638
1639         /*
1640          * No point in issuing another reset if one is active.  Also do not
1641          * attempt a reset if we are updating flash.
1642          */
1643         if (qla2x00_reset_active(vha) || ha->optrom_state != QLA_SWAITING)
1644                 goto eh_host_reset_lock;
1645
1646         if (vha != base_vha) {
1647                 if (qla2x00_vp_abort_isp(vha))
1648                         goto eh_host_reset_lock;
1649         } else {
1650                 if (IS_P3P_TYPE(vha->hw)) {
1651                         if (!qla82xx_fcoe_ctx_reset(vha)) {
1652                                 /* Ctx reset success */
1653                                 ret = SUCCESS;
1654                                 goto eh_host_reset_lock;
1655                         }
1656                         /* fall thru if ctx reset failed */
1657                 }
1658                 if (ha->wq)
1659                         flush_workqueue(ha->wq);
1660
1661                 set_bit(ABORT_ISP_ACTIVE, &base_vha->dpc_flags);
1662                 if (ha->isp_ops->abort_isp(base_vha)) {
1663                         clear_bit(ABORT_ISP_ACTIVE, &base_vha->dpc_flags);
1664                         /* failed. schedule dpc to try */
1665                         set_bit(ISP_ABORT_NEEDED, &base_vha->dpc_flags);
1666
1667                         if (qla2x00_wait_for_hba_online(vha) != QLA_SUCCESS) {
1668                                 ql_log(ql_log_warn, vha, 0x802a,
1669                                     "wait for hba online failed.\n");
1670                                 goto eh_host_reset_lock;
1671                         }
1672                 }
1673                 clear_bit(ABORT_ISP_ACTIVE, &base_vha->dpc_flags);
1674         }
1675
1676         /* Waiting for command to be returned to OS.*/
1677         if (qla2x00_eh_wait_for_pending_commands(vha, 0, 0, WAIT_HOST) ==
1678                 QLA_SUCCESS)
1679                 ret = SUCCESS;
1680
1681 eh_host_reset_lock:
1682         ql_log(ql_log_info, vha, 0x8017,
1683             "ADAPTER RESET %s nexus=%ld:%d:%llu.\n",
1684             (ret == FAILED) ? "FAILED" : "SUCCEEDED", vha->host_no, id, lun);
1685
1686         return ret;
1687 }
1688
1689 /*
1690 * qla2x00_loop_reset
1691 *      Issue loop reset.
1692 *
1693 * Input:
1694 *      ha = adapter block pointer.
1695 *
1696 * Returns:
1697 *      0 = success
1698 */
1699 int
1700 qla2x00_loop_reset(scsi_qla_host_t *vha)
1701 {
1702         int ret;
1703         struct fc_port *fcport;
1704         struct qla_hw_data *ha = vha->hw;
1705
1706         if (IS_QLAFX00(ha)) {
1707                 return qlafx00_loop_reset(vha);
1708         }
1709
1710         if (ql2xtargetreset == 1 && ha->flags.enable_target_reset) {
1711                 list_for_each_entry(fcport, &vha->vp_fcports, list) {
1712                         if (fcport->port_type != FCT_TARGET)
1713                                 continue;
1714
1715                         ret = ha->isp_ops->target_reset(fcport, 0, 0);
1716                         if (ret != QLA_SUCCESS) {
1717                                 ql_dbg(ql_dbg_taskm, vha, 0x802c,
1718                                     "Bus Reset failed: Reset=%d "
1719                                     "d_id=%x.\n", ret, fcport->d_id.b24);
1720                         }
1721                 }
1722         }
1723
1724
1725         if (ha->flags.enable_lip_full_login && !IS_CNA_CAPABLE(ha)) {
1726                 atomic_set(&vha->loop_state, LOOP_DOWN);
1727                 atomic_set(&vha->loop_down_timer, LOOP_DOWN_TIME);
1728                 qla2x00_mark_all_devices_lost(vha, 0);
1729                 ret = qla2x00_full_login_lip(vha);
1730                 if (ret != QLA_SUCCESS) {
1731                         ql_dbg(ql_dbg_taskm, vha, 0x802d,
1732                             "full_login_lip=%d.\n", ret);
1733                 }
1734         }
1735
1736         if (ha->flags.enable_lip_reset) {
1737                 ret = qla2x00_lip_reset(vha);
1738                 if (ret != QLA_SUCCESS)
1739                         ql_dbg(ql_dbg_taskm, vha, 0x802e,
1740                             "lip_reset failed (%d).\n", ret);
1741         }
1742
1743         /* Issue marker command only when we are going to start the I/O */
1744         vha->marker_needed = 1;
1745
1746         return QLA_SUCCESS;
1747 }
1748
1749 static void
1750 __qla2x00_abort_all_cmds(struct qla_qpair *qp, int res)
1751 {
1752         int cnt, status;
1753         unsigned long flags;
1754         srb_t *sp;
1755         scsi_qla_host_t *vha = qp->vha;
1756         struct qla_hw_data *ha = vha->hw;
1757         struct req_que *req;
1758         struct qla_tgt *tgt = vha->vha_tgt.qla_tgt;
1759         struct qla_tgt_cmd *cmd;
1760
1761         if (!ha->req_q_map)
1762                 return;
1763         spin_lock_irqsave(qp->qp_lock_ptr, flags);
1764         req = qp->req;
1765         for (cnt = 1; cnt < req->num_outstanding_cmds; cnt++) {
1766                 sp = req->outstanding_cmds[cnt];
1767                 if (sp) {
1768                         req->outstanding_cmds[cnt] = NULL;
1769                         switch (sp->cmd_type) {
1770                         case TYPE_SRB:
1771                                 if (sp->type == SRB_NVME_CMD ||
1772                                     sp->type == SRB_NVME_LS) {
1773                                         if (!sp_get(sp)) {
1774                                                 /* got sp */
1775                                                 spin_unlock_irqrestore
1776                                                         (qp->qp_lock_ptr,
1777                                                          flags);
1778                                                 qla_nvme_abort(ha, sp, res);
1779                                                 spin_lock_irqsave
1780                                                         (qp->qp_lock_ptr, flags);
1781                                         }
1782                                 } else if (GET_CMD_SP(sp) &&
1783                                     !ha->flags.eeh_busy &&
1784                                     (!test_bit(ABORT_ISP_ACTIVE,
1785                                         &vha->dpc_flags)) &&
1786                                     !qla2x00_isp_reg_stat(ha) &&
1787                                     (sp->type == SRB_SCSI_CMD)) {
1788                                         /*
1789                                          * Don't abort commands in adapter
1790                                          * during EEH recovery as it's not
1791                                          * accessible/responding.
1792                                          *
1793                                          * Get a reference to the sp and drop
1794                                          * the lock. The reference ensures this
1795                                          * sp->done() call and not the call in
1796                                          * qla2xxx_eh_abort() ends the SCSI cmd
1797                                          * (with result 'res').
1798                                          */
1799                                         if (!sp_get(sp)) {
1800                                                 spin_unlock_irqrestore
1801                                                         (qp->qp_lock_ptr, flags);
1802                                                 status = qla2xxx_eh_abort(
1803                                                         GET_CMD_SP(sp));
1804                                                 spin_lock_irqsave
1805                                                         (qp->qp_lock_ptr, flags);
1806                                                 /*
1807                                                  * Get rid of extra reference caused
1808                                                  * by early exit from qla2xxx_eh_abort
1809                                                  */
1810                                                 if (status == FAST_IO_FAIL)
1811                                                         atomic_dec(&sp->ref_count);
1812                                         }
1813                                 }
1814                                 sp->done(sp, res);
1815                                 break;
1816                         case TYPE_TGT_CMD:
1817                                 if (!vha->hw->tgt.tgt_ops || !tgt ||
1818                                     qla_ini_mode_enabled(vha)) {
1819                                         ql_dbg(ql_dbg_tgt_mgt, vha, 0xf003,
1820                                             "HOST-ABORT-HNDLR: dpc_flags=%lx. Target mode disabled\n",
1821                                             vha->dpc_flags);
1822                                         continue;
1823                                 }
1824                                 cmd = (struct qla_tgt_cmd *)sp;
1825                                 qlt_abort_cmd_on_host_reset(cmd->vha, cmd);
1826                                 break;
1827                         case TYPE_TGT_TMCMD:
1828                                 /*
1829                                  * Currently, only ABTS response gets on the
1830                                  * outstanding_cmds[]
1831                                  */
1832                                 ha->tgt.tgt_ops->free_mcmd(
1833                                    (struct qla_tgt_mgmt_cmd *)sp);
1834                                 break;
1835                         default:
1836                                 break;
1837                         }
1838                 }
1839         }
1840         spin_unlock_irqrestore(qp->qp_lock_ptr, flags);
1841 }
1842
1843 void
1844 qla2x00_abort_all_cmds(scsi_qla_host_t *vha, int res)
1845 {
1846         int que;
1847         struct qla_hw_data *ha = vha->hw;
1848
1849         __qla2x00_abort_all_cmds(ha->base_qpair, res);
1850
1851         for (que = 0; que < ha->max_qpairs; que++) {
1852                 if (!ha->queue_pair_map[que])
1853                         continue;
1854
1855                 __qla2x00_abort_all_cmds(ha->queue_pair_map[que], res);
1856         }
1857 }
1858
1859 static int
1860 qla2xxx_slave_alloc(struct scsi_device *sdev)
1861 {
1862         struct fc_rport *rport = starget_to_rport(scsi_target(sdev));
1863
1864         if (!rport || fc_remote_port_chkready(rport))
1865                 return -ENXIO;
1866
1867         sdev->hostdata = *(fc_port_t **)rport->dd_data;
1868
1869         return 0;
1870 }
1871
1872 static int
1873 qla2xxx_slave_configure(struct scsi_device *sdev)
1874 {
1875         scsi_qla_host_t *vha = shost_priv(sdev->host);
1876         struct req_que *req = vha->req;
1877
1878         if (IS_T10_PI_CAPABLE(vha->hw))
1879                 blk_queue_update_dma_alignment(sdev->request_queue, 0x7);
1880
1881         scsi_change_queue_depth(sdev, req->max_q_depth);
1882         return 0;
1883 }
1884
1885 static void
1886 qla2xxx_slave_destroy(struct scsi_device *sdev)
1887 {
1888         sdev->hostdata = NULL;
1889 }
1890
1891 /**
1892  * qla2x00_config_dma_addressing() - Configure OS DMA addressing method.
1893  * @ha: HA context
1894  *
1895  * At exit, the @ha's flags.enable_64bit_addressing set to indicated
1896  * supported addressing method.
1897  */
1898 static void
1899 qla2x00_config_dma_addressing(struct qla_hw_data *ha)
1900 {
1901         /* Assume a 32bit DMA mask. */
1902         ha->flags.enable_64bit_addressing = 0;
1903
1904         if (!dma_set_mask(&ha->pdev->dev, DMA_BIT_MASK(64))) {
1905                 /* Any upper-dword bits set? */
1906                 if (MSD(dma_get_required_mask(&ha->pdev->dev)) &&
1907                     !pci_set_consistent_dma_mask(ha->pdev, DMA_BIT_MASK(64))) {
1908                         /* Ok, a 64bit DMA mask is applicable. */
1909                         ha->flags.enable_64bit_addressing = 1;
1910                         ha->isp_ops->calc_req_entries = qla2x00_calc_iocbs_64;
1911                         ha->isp_ops->build_iocbs = qla2x00_build_scsi_iocbs_64;
1912                         return;
1913                 }
1914         }
1915
1916         dma_set_mask(&ha->pdev->dev, DMA_BIT_MASK(32));
1917         pci_set_consistent_dma_mask(ha->pdev, DMA_BIT_MASK(32));
1918 }
1919
1920 static void
1921 qla2x00_enable_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 = 1;
1928         /* enable risc and host interrupts */
1929         WRT_REG_WORD(&reg->ictrl, ICR_EN_INT | ICR_EN_RISC);
1930         RD_REG_WORD(&reg->ictrl);
1931         spin_unlock_irqrestore(&ha->hardware_lock, flags);
1932
1933 }
1934
1935 static void
1936 qla2x00_disable_intrs(struct qla_hw_data *ha)
1937 {
1938         unsigned long flags = 0;
1939         struct device_reg_2xxx __iomem *reg = &ha->iobase->isp;
1940
1941         spin_lock_irqsave(&ha->hardware_lock, flags);
1942         ha->interrupts_on = 0;
1943         /* disable risc and host interrupts */
1944         WRT_REG_WORD(&reg->ictrl, 0);
1945         RD_REG_WORD(&reg->ictrl);
1946         spin_unlock_irqrestore(&ha->hardware_lock, flags);
1947 }
1948
1949 static void
1950 qla24xx_enable_intrs(struct qla_hw_data *ha)
1951 {
1952         unsigned long flags = 0;
1953         struct device_reg_24xx __iomem *reg = &ha->iobase->isp24;
1954
1955         spin_lock_irqsave(&ha->hardware_lock, flags);
1956         ha->interrupts_on = 1;
1957         WRT_REG_DWORD(&reg->ictrl, ICRX_EN_RISC_INT);
1958         RD_REG_DWORD(&reg->ictrl);
1959         spin_unlock_irqrestore(&ha->hardware_lock, flags);
1960 }
1961
1962 static void
1963 qla24xx_disable_intrs(struct qla_hw_data *ha)
1964 {
1965         unsigned long flags = 0;
1966         struct device_reg_24xx __iomem *reg = &ha->iobase->isp24;
1967
1968         if (IS_NOPOLLING_TYPE(ha))
1969                 return;
1970         spin_lock_irqsave(&ha->hardware_lock, flags);
1971         ha->interrupts_on = 0;
1972         WRT_REG_DWORD(&reg->ictrl, 0);
1973         RD_REG_DWORD(&reg->ictrl);
1974         spin_unlock_irqrestore(&ha->hardware_lock, flags);
1975 }
1976
1977 static int
1978 qla2x00_iospace_config(struct qla_hw_data *ha)
1979 {
1980         resource_size_t pio;
1981         uint16_t msix;
1982
1983         if (pci_request_selected_regions(ha->pdev, ha->bars,
1984             QLA2XXX_DRIVER_NAME)) {
1985                 ql_log_pci(ql_log_fatal, ha->pdev, 0x0011,
1986                     "Failed to reserve PIO/MMIO regions (%s), aborting.\n",
1987                     pci_name(ha->pdev));
1988                 goto iospace_error_exit;
1989         }
1990         if (!(ha->bars & 1))
1991                 goto skip_pio;
1992
1993         /* We only need PIO for Flash operations on ISP2312 v2 chips. */
1994         pio = pci_resource_start(ha->pdev, 0);
1995         if (pci_resource_flags(ha->pdev, 0) & IORESOURCE_IO) {
1996                 if (pci_resource_len(ha->pdev, 0) < MIN_IOBASE_LEN) {
1997                         ql_log_pci(ql_log_warn, ha->pdev, 0x0012,
1998                             "Invalid pci I/O region size (%s).\n",
1999                             pci_name(ha->pdev));
2000                         pio = 0;
2001                 }
2002         } else {
2003                 ql_log_pci(ql_log_warn, ha->pdev, 0x0013,
2004                     "Region #0 no a PIO resource (%s).\n",
2005                     pci_name(ha->pdev));
2006                 pio = 0;
2007         }
2008         ha->pio_address = pio;
2009         ql_dbg_pci(ql_dbg_init, ha->pdev, 0x0014,
2010             "PIO address=%llu.\n",
2011             (unsigned long long)ha->pio_address);
2012
2013 skip_pio:
2014         /* Use MMIO operations for all accesses. */
2015         if (!(pci_resource_flags(ha->pdev, 1) & IORESOURCE_MEM)) {
2016                 ql_log_pci(ql_log_fatal, ha->pdev, 0x0015,
2017                     "Region #1 not an MMIO resource (%s), aborting.\n",
2018                     pci_name(ha->pdev));
2019                 goto iospace_error_exit;
2020         }
2021         if (pci_resource_len(ha->pdev, 1) < MIN_IOBASE_LEN) {
2022                 ql_log_pci(ql_log_fatal, ha->pdev, 0x0016,
2023                     "Invalid PCI mem region size (%s), aborting.\n",
2024                     pci_name(ha->pdev));
2025                 goto iospace_error_exit;
2026         }
2027
2028         ha->iobase = ioremap(pci_resource_start(ha->pdev, 1), MIN_IOBASE_LEN);
2029         if (!ha->iobase) {
2030                 ql_log_pci(ql_log_fatal, ha->pdev, 0x0017,
2031                     "Cannot remap MMIO (%s), aborting.\n",
2032                     pci_name(ha->pdev));
2033                 goto iospace_error_exit;
2034         }
2035
2036         /* Determine queue resources */
2037         ha->max_req_queues = ha->max_rsp_queues = 1;
2038         ha->msix_count = QLA_BASE_VECTORS;
2039         if (!ql2xmqsupport || !ql2xnvmeenable ||
2040             (!IS_QLA25XX(ha) && !IS_QLA81XX(ha)))
2041                 goto mqiobase_exit;
2042
2043         ha->mqiobase = ioremap(pci_resource_start(ha->pdev, 3),
2044                         pci_resource_len(ha->pdev, 3));
2045         if (ha->mqiobase) {
2046                 ql_dbg_pci(ql_dbg_init, ha->pdev, 0x0018,
2047                     "MQIO Base=%p.\n", ha->mqiobase);
2048                 /* Read MSIX vector size of the board */
2049                 pci_read_config_word(ha->pdev, QLA_PCI_MSIX_CONTROL, &msix);
2050                 ha->msix_count = msix + 1;
2051                 /* Max queues are bounded by available msix vectors */
2052                 /* MB interrupt uses 1 vector */
2053                 ha->max_req_queues = ha->msix_count - 1;
2054                 ha->max_rsp_queues = ha->max_req_queues;
2055                 /* Queue pairs is the max value minus the base queue pair */
2056                 ha->max_qpairs = ha->max_rsp_queues - 1;
2057                 ql_dbg_pci(ql_dbg_init, ha->pdev, 0x0188,
2058                     "Max no of queues pairs: %d.\n", ha->max_qpairs);
2059
2060                 ql_log_pci(ql_log_info, ha->pdev, 0x001a,
2061                     "MSI-X vector count: %d.\n", ha->msix_count);
2062         } else
2063                 ql_log_pci(ql_log_info, ha->pdev, 0x001b,
2064                     "BAR 3 not enabled.\n");
2065
2066 mqiobase_exit:
2067         ql_dbg_pci(ql_dbg_init, ha->pdev, 0x001c,
2068             "MSIX Count: %d.\n", ha->msix_count);
2069         return (0);
2070
2071 iospace_error_exit:
2072         return (-ENOMEM);
2073 }
2074
2075
2076 static int
2077 qla83xx_iospace_config(struct qla_hw_data *ha)
2078 {
2079         uint16_t msix;
2080
2081         if (pci_request_selected_regions(ha->pdev, ha->bars,
2082             QLA2XXX_DRIVER_NAME)) {
2083                 ql_log_pci(ql_log_fatal, ha->pdev, 0x0117,
2084                     "Failed to reserve PIO/MMIO regions (%s), aborting.\n",
2085                     pci_name(ha->pdev));
2086
2087                 goto iospace_error_exit;
2088         }
2089
2090         /* Use MMIO operations for all accesses. */
2091         if (!(pci_resource_flags(ha->pdev, 0) & IORESOURCE_MEM)) {
2092                 ql_log_pci(ql_log_warn, ha->pdev, 0x0118,
2093                     "Invalid pci I/O region size (%s).\n",
2094                     pci_name(ha->pdev));
2095                 goto iospace_error_exit;
2096         }
2097         if (pci_resource_len(ha->pdev, 0) < MIN_IOBASE_LEN) {
2098                 ql_log_pci(ql_log_warn, ha->pdev, 0x0119,
2099                     "Invalid PCI mem region size (%s), aborting\n",
2100                         pci_name(ha->pdev));
2101                 goto iospace_error_exit;
2102         }
2103
2104         ha->iobase = ioremap(pci_resource_start(ha->pdev, 0), MIN_IOBASE_LEN);
2105         if (!ha->iobase) {
2106                 ql_log_pci(ql_log_fatal, ha->pdev, 0x011a,
2107                     "Cannot remap MMIO (%s), aborting.\n",
2108                     pci_name(ha->pdev));
2109                 goto iospace_error_exit;
2110         }
2111
2112         /* 64bit PCI BAR - BAR2 will correspoond to region 4 */
2113         /* 83XX 26XX always use MQ type access for queues
2114          * - mbar 2, a.k.a region 4 */
2115         ha->max_req_queues = ha->max_rsp_queues = 1;
2116         ha->msix_count = QLA_BASE_VECTORS;
2117         ha->mqiobase = ioremap(pci_resource_start(ha->pdev, 4),
2118                         pci_resource_len(ha->pdev, 4));
2119
2120         if (!ha->mqiobase) {
2121                 ql_log_pci(ql_log_fatal, ha->pdev, 0x011d,
2122                     "BAR2/region4 not enabled\n");
2123                 goto mqiobase_exit;
2124         }
2125
2126         ha->msixbase = ioremap(pci_resource_start(ha->pdev, 2),
2127                         pci_resource_len(ha->pdev, 2));
2128         if (ha->msixbase) {
2129                 /* Read MSIX vector size of the board */
2130                 pci_read_config_word(ha->pdev,
2131                     QLA_83XX_PCI_MSIX_CONTROL, &msix);
2132                 ha->msix_count = (msix & PCI_MSIX_FLAGS_QSIZE)  + 1;
2133                 /*
2134                  * By default, driver uses at least two msix vectors
2135                  * (default & rspq)
2136                  */
2137                 if (ql2xmqsupport || ql2xnvmeenable) {
2138                         /* MB interrupt uses 1 vector */
2139                         ha->max_req_queues = ha->msix_count - 1;
2140
2141                         /* ATIOQ needs 1 vector. That's 1 less QPair */
2142                         if (QLA_TGT_MODE_ENABLED())
2143                                 ha->max_req_queues--;
2144
2145                         ha->max_rsp_queues = ha->max_req_queues;
2146
2147                         /* Queue pairs is the max value minus
2148                          * the base queue pair */
2149                         ha->max_qpairs = ha->max_req_queues - 1;
2150                         ql_dbg_pci(ql_dbg_init, ha->pdev, 0x00e3,
2151                             "Max no of queues pairs: %d.\n", ha->max_qpairs);
2152                 }
2153                 ql_log_pci(ql_log_info, ha->pdev, 0x011c,
2154                     "MSI-X vector count: %d.\n", ha->msix_count);
2155         } else
2156                 ql_log_pci(ql_log_info, ha->pdev, 0x011e,
2157                     "BAR 1 not enabled.\n");
2158
2159 mqiobase_exit:
2160         ql_dbg_pci(ql_dbg_init, ha->pdev, 0x011f,
2161             "MSIX Count: %d.\n", ha->msix_count);
2162         return 0;
2163
2164 iospace_error_exit:
2165         return -ENOMEM;
2166 }
2167
2168 static struct isp_operations qla2100_isp_ops = {
2169         .pci_config             = qla2100_pci_config,
2170         .reset_chip             = qla2x00_reset_chip,
2171         .chip_diag              = qla2x00_chip_diag,
2172         .config_rings           = qla2x00_config_rings,
2173         .reset_adapter          = qla2x00_reset_adapter,
2174         .nvram_config           = qla2x00_nvram_config,
2175         .update_fw_options      = qla2x00_update_fw_options,
2176         .load_risc              = qla2x00_load_risc,
2177         .pci_info_str           = qla2x00_pci_info_str,
2178         .fw_version_str         = qla2x00_fw_version_str,
2179         .intr_handler           = qla2100_intr_handler,
2180         .enable_intrs           = qla2x00_enable_intrs,
2181         .disable_intrs          = qla2x00_disable_intrs,
2182         .abort_command          = qla2x00_abort_command,
2183         .target_reset           = qla2x00_abort_target,
2184         .lun_reset              = qla2x00_lun_reset,
2185         .fabric_login           = qla2x00_login_fabric,
2186         .fabric_logout          = qla2x00_fabric_logout,
2187         .calc_req_entries       = qla2x00_calc_iocbs_32,
2188         .build_iocbs            = qla2x00_build_scsi_iocbs_32,
2189         .prep_ms_iocb           = qla2x00_prep_ms_iocb,
2190         .prep_ms_fdmi_iocb      = qla2x00_prep_ms_fdmi_iocb,
2191         .read_nvram             = qla2x00_read_nvram_data,
2192         .write_nvram            = qla2x00_write_nvram_data,
2193         .fw_dump                = qla2100_fw_dump,
2194         .beacon_on              = NULL,
2195         .beacon_off             = NULL,
2196         .beacon_blink           = NULL,
2197         .read_optrom            = qla2x00_read_optrom_data,
2198         .write_optrom           = qla2x00_write_optrom_data,
2199         .get_flash_version      = qla2x00_get_flash_version,
2200         .start_scsi             = qla2x00_start_scsi,
2201         .start_scsi_mq          = NULL,
2202         .abort_isp              = qla2x00_abort_isp,
2203         .iospace_config         = qla2x00_iospace_config,
2204         .initialize_adapter     = qla2x00_initialize_adapter,
2205 };
2206
2207 static struct isp_operations qla2300_isp_ops = {
2208         .pci_config             = qla2300_pci_config,
2209         .reset_chip             = qla2x00_reset_chip,
2210         .chip_diag              = qla2x00_chip_diag,
2211         .config_rings           = qla2x00_config_rings,
2212         .reset_adapter          = qla2x00_reset_adapter,
2213         .nvram_config           = qla2x00_nvram_config,
2214         .update_fw_options      = qla2x00_update_fw_options,
2215         .load_risc              = qla2x00_load_risc,
2216         .pci_info_str           = qla2x00_pci_info_str,
2217         .fw_version_str         = qla2x00_fw_version_str,
2218         .intr_handler           = qla2300_intr_handler,
2219         .enable_intrs           = qla2x00_enable_intrs,
2220         .disable_intrs          = qla2x00_disable_intrs,
2221         .abort_command          = qla2x00_abort_command,
2222         .target_reset           = qla2x00_abort_target,
2223         .lun_reset              = qla2x00_lun_reset,
2224         .fabric_login           = qla2x00_login_fabric,
2225         .fabric_logout          = qla2x00_fabric_logout,
2226         .calc_req_entries       = qla2x00_calc_iocbs_32,
2227         .build_iocbs            = qla2x00_build_scsi_iocbs_32,
2228         .prep_ms_iocb           = qla2x00_prep_ms_iocb,
2229         .prep_ms_fdmi_iocb      = qla2x00_prep_ms_fdmi_iocb,
2230         .read_nvram             = qla2x00_read_nvram_data,
2231         .write_nvram            = qla2x00_write_nvram_data,
2232         .fw_dump                = qla2300_fw_dump,
2233         .beacon_on              = qla2x00_beacon_on,
2234         .beacon_off             = qla2x00_beacon_off,
2235         .beacon_blink           = qla2x00_beacon_blink,
2236         .read_optrom            = qla2x00_read_optrom_data,
2237         .write_optrom           = qla2x00_write_optrom_data,
2238         .get_flash_version      = qla2x00_get_flash_version,
2239         .start_scsi             = qla2x00_start_scsi,
2240         .start_scsi_mq          = NULL,
2241         .abort_isp              = qla2x00_abort_isp,
2242         .iospace_config         = qla2x00_iospace_config,
2243         .initialize_adapter     = qla2x00_initialize_adapter,
2244 };
2245
2246 static struct isp_operations qla24xx_isp_ops = {
2247         .pci_config             = qla24xx_pci_config,
2248         .reset_chip             = qla24xx_reset_chip,
2249         .chip_diag              = qla24xx_chip_diag,
2250         .config_rings           = qla24xx_config_rings,
2251         .reset_adapter          = qla24xx_reset_adapter,
2252         .nvram_config           = qla24xx_nvram_config,
2253         .update_fw_options      = qla24xx_update_fw_options,
2254         .load_risc              = qla24xx_load_risc,
2255         .pci_info_str           = qla24xx_pci_info_str,
2256         .fw_version_str         = qla24xx_fw_version_str,
2257         .intr_handler           = qla24xx_intr_handler,
2258         .enable_intrs           = qla24xx_enable_intrs,
2259         .disable_intrs          = qla24xx_disable_intrs,
2260         .abort_command          = qla24xx_abort_command,
2261         .target_reset           = qla24xx_abort_target,
2262         .lun_reset              = qla24xx_lun_reset,
2263         .fabric_login           = qla24xx_login_fabric,
2264         .fabric_logout          = qla24xx_fabric_logout,
2265         .calc_req_entries       = NULL,
2266         .build_iocbs            = NULL,
2267         .prep_ms_iocb           = qla24xx_prep_ms_iocb,
2268         .prep_ms_fdmi_iocb      = qla24xx_prep_ms_fdmi_iocb,
2269         .read_nvram             = qla24xx_read_nvram_data,
2270         .write_nvram            = qla24xx_write_nvram_data,
2271         .fw_dump                = qla24xx_fw_dump,
2272         .beacon_on              = qla24xx_beacon_on,
2273         .beacon_off             = qla24xx_beacon_off,
2274         .beacon_blink           = qla24xx_beacon_blink,
2275         .read_optrom            = qla24xx_read_optrom_data,
2276         .write_optrom           = qla24xx_write_optrom_data,
2277         .get_flash_version      = qla24xx_get_flash_version,
2278         .start_scsi             = qla24xx_start_scsi,
2279         .start_scsi_mq          = NULL,
2280         .abort_isp              = qla2x00_abort_isp,
2281         .iospace_config         = qla2x00_iospace_config,
2282         .initialize_adapter     = qla2x00_initialize_adapter,
2283 };
2284
2285 static struct isp_operations qla25xx_isp_ops = {
2286         .pci_config             = qla25xx_pci_config,
2287         .reset_chip             = qla24xx_reset_chip,
2288         .chip_diag              = qla24xx_chip_diag,
2289         .config_rings           = qla24xx_config_rings,
2290         .reset_adapter          = qla24xx_reset_adapter,
2291         .nvram_config           = qla24xx_nvram_config,
2292         .update_fw_options      = qla24xx_update_fw_options,
2293         .load_risc              = qla24xx_load_risc,
2294         .pci_info_str           = qla24xx_pci_info_str,
2295         .fw_version_str         = qla24xx_fw_version_str,
2296         .intr_handler           = qla24xx_intr_handler,
2297         .enable_intrs           = qla24xx_enable_intrs,
2298         .disable_intrs          = qla24xx_disable_intrs,
2299         .abort_command          = qla24xx_abort_command,
2300         .target_reset           = qla24xx_abort_target,
2301         .lun_reset              = qla24xx_lun_reset,
2302         .fabric_login           = qla24xx_login_fabric,
2303         .fabric_logout          = qla24xx_fabric_logout,
2304         .calc_req_entries       = NULL,
2305         .build_iocbs            = NULL,
2306         .prep_ms_iocb           = qla24xx_prep_ms_iocb,
2307         .prep_ms_fdmi_iocb      = qla24xx_prep_ms_fdmi_iocb,
2308         .read_nvram             = qla25xx_read_nvram_data,
2309         .write_nvram            = qla25xx_write_nvram_data,
2310         .fw_dump                = qla25xx_fw_dump,
2311         .beacon_on              = qla24xx_beacon_on,
2312         .beacon_off             = qla24xx_beacon_off,
2313         .beacon_blink           = qla24xx_beacon_blink,
2314         .read_optrom            = qla25xx_read_optrom_data,
2315         .write_optrom           = qla24xx_write_optrom_data,
2316         .get_flash_version      = qla24xx_get_flash_version,
2317         .start_scsi             = qla24xx_dif_start_scsi,
2318         .start_scsi_mq          = qla2xxx_dif_start_scsi_mq,
2319         .abort_isp              = qla2x00_abort_isp,
2320         .iospace_config         = qla2x00_iospace_config,
2321         .initialize_adapter     = qla2x00_initialize_adapter,
2322 };
2323
2324 static struct isp_operations qla81xx_isp_ops = {
2325         .pci_config             = qla25xx_pci_config,
2326         .reset_chip             = qla24xx_reset_chip,
2327         .chip_diag              = qla24xx_chip_diag,
2328         .config_rings           = qla24xx_config_rings,
2329         .reset_adapter          = qla24xx_reset_adapter,
2330         .nvram_config           = qla81xx_nvram_config,
2331         .update_fw_options      = qla81xx_update_fw_options,
2332         .load_risc              = qla81xx_load_risc,
2333         .pci_info_str           = qla24xx_pci_info_str,
2334         .fw_version_str         = qla24xx_fw_version_str,
2335         .intr_handler           = qla24xx_intr_handler,
2336         .enable_intrs           = qla24xx_enable_intrs,
2337         .disable_intrs          = qla24xx_disable_intrs,
2338         .abort_command          = qla24xx_abort_command,
2339         .target_reset           = qla24xx_abort_target,
2340         .lun_reset              = qla24xx_lun_reset,
2341         .fabric_login           = qla24xx_login_fabric,
2342         .fabric_logout          = qla24xx_fabric_logout,
2343         .calc_req_entries       = NULL,
2344         .build_iocbs            = NULL,
2345         .prep_ms_iocb           = qla24xx_prep_ms_iocb,
2346         .prep_ms_fdmi_iocb      = qla24xx_prep_ms_fdmi_iocb,
2347         .read_nvram             = NULL,
2348         .write_nvram            = NULL,
2349         .fw_dump                = qla81xx_fw_dump,
2350         .beacon_on              = qla24xx_beacon_on,
2351         .beacon_off             = qla24xx_beacon_off,
2352         .beacon_blink           = qla83xx_beacon_blink,
2353         .read_optrom            = qla25xx_read_optrom_data,
2354         .write_optrom           = qla24xx_write_optrom_data,
2355         .get_flash_version      = qla24xx_get_flash_version,
2356         .start_scsi             = qla24xx_dif_start_scsi,
2357         .start_scsi_mq          = qla2xxx_dif_start_scsi_mq,
2358         .abort_isp              = qla2x00_abort_isp,
2359         .iospace_config         = qla2x00_iospace_config,
2360         .initialize_adapter     = qla2x00_initialize_adapter,
2361 };
2362
2363 static struct isp_operations qla82xx_isp_ops = {
2364         .pci_config             = qla82xx_pci_config,
2365         .reset_chip             = qla82xx_reset_chip,
2366         .chip_diag              = qla24xx_chip_diag,
2367         .config_rings           = qla82xx_config_rings,
2368         .reset_adapter          = qla24xx_reset_adapter,
2369         .nvram_config           = qla81xx_nvram_config,
2370         .update_fw_options      = qla24xx_update_fw_options,
2371         .load_risc              = qla82xx_load_risc,
2372         .pci_info_str           = qla24xx_pci_info_str,
2373         .fw_version_str         = qla24xx_fw_version_str,
2374         .intr_handler           = qla82xx_intr_handler,
2375         .enable_intrs           = qla82xx_enable_intrs,
2376         .disable_intrs          = qla82xx_disable_intrs,
2377         .abort_command          = qla24xx_abort_command,
2378         .target_reset           = qla24xx_abort_target,
2379         .lun_reset              = qla24xx_lun_reset,
2380         .fabric_login           = qla24xx_login_fabric,
2381         .fabric_logout          = qla24xx_fabric_logout,
2382         .calc_req_entries       = NULL,
2383         .build_iocbs            = NULL,
2384         .prep_ms_iocb           = qla24xx_prep_ms_iocb,
2385         .prep_ms_fdmi_iocb      = qla24xx_prep_ms_fdmi_iocb,
2386         .read_nvram             = qla24xx_read_nvram_data,
2387         .write_nvram            = qla24xx_write_nvram_data,
2388         .fw_dump                = qla82xx_fw_dump,
2389         .beacon_on              = qla82xx_beacon_on,
2390         .beacon_off             = qla82xx_beacon_off,
2391         .beacon_blink           = NULL,
2392         .read_optrom            = qla82xx_read_optrom_data,
2393         .write_optrom           = qla82xx_write_optrom_data,
2394         .get_flash_version      = qla82xx_get_flash_version,
2395         .start_scsi             = qla82xx_start_scsi,
2396         .start_scsi_mq          = NULL,
2397         .abort_isp              = qla82xx_abort_isp,
2398         .iospace_config         = qla82xx_iospace_config,
2399         .initialize_adapter     = qla2x00_initialize_adapter,
2400 };
2401
2402 static struct isp_operations qla8044_isp_ops = {
2403         .pci_config             = qla82xx_pci_config,
2404         .reset_chip             = qla82xx_reset_chip,
2405         .chip_diag              = qla24xx_chip_diag,
2406         .config_rings           = qla82xx_config_rings,
2407         .reset_adapter          = qla24xx_reset_adapter,
2408         .nvram_config           = qla81xx_nvram_config,
2409         .update_fw_options      = qla24xx_update_fw_options,
2410         .load_risc              = qla82xx_load_risc,
2411         .pci_info_str           = qla24xx_pci_info_str,
2412         .fw_version_str         = qla24xx_fw_version_str,
2413         .intr_handler           = qla8044_intr_handler,
2414         .enable_intrs           = qla82xx_enable_intrs,
2415         .disable_intrs          = qla82xx_disable_intrs,
2416         .abort_command          = qla24xx_abort_command,
2417         .target_reset           = qla24xx_abort_target,
2418         .lun_reset              = qla24xx_lun_reset,
2419         .fabric_login           = qla24xx_login_fabric,
2420         .fabric_logout          = qla24xx_fabric_logout,
2421         .calc_req_entries       = NULL,
2422         .build_iocbs            = NULL,
2423         .prep_ms_iocb           = qla24xx_prep_ms_iocb,
2424         .prep_ms_fdmi_iocb      = qla24xx_prep_ms_fdmi_iocb,
2425         .read_nvram             = NULL,
2426         .write_nvram            = NULL,
2427         .fw_dump                = qla8044_fw_dump,
2428         .beacon_on              = qla82xx_beacon_on,
2429         .beacon_off             = qla82xx_beacon_off,
2430         .beacon_blink           = NULL,
2431         .read_optrom            = qla8044_read_optrom_data,
2432         .write_optrom           = qla8044_write_optrom_data,
2433         .get_flash_version      = qla82xx_get_flash_version,
2434         .start_scsi             = qla82xx_start_scsi,
2435         .start_scsi_mq          = NULL,
2436         .abort_isp              = qla8044_abort_isp,
2437         .iospace_config         = qla82xx_iospace_config,
2438         .initialize_adapter     = qla2x00_initialize_adapter,
2439 };
2440
2441 static struct isp_operations qla83xx_isp_ops = {
2442         .pci_config             = qla25xx_pci_config,
2443         .reset_chip             = qla24xx_reset_chip,
2444         .chip_diag              = qla24xx_chip_diag,
2445         .config_rings           = qla24xx_config_rings,
2446         .reset_adapter          = qla24xx_reset_adapter,
2447         .nvram_config           = qla81xx_nvram_config,
2448         .update_fw_options      = qla81xx_update_fw_options,
2449         .load_risc              = qla81xx_load_risc,
2450         .pci_info_str           = qla24xx_pci_info_str,
2451         .fw_version_str         = qla24xx_fw_version_str,
2452         .intr_handler           = qla24xx_intr_handler,
2453         .enable_intrs           = qla24xx_enable_intrs,
2454         .disable_intrs          = qla24xx_disable_intrs,
2455         .abort_command          = qla24xx_abort_command,
2456         .target_reset           = qla24xx_abort_target,
2457         .lun_reset              = qla24xx_lun_reset,
2458         .fabric_login           = qla24xx_login_fabric,
2459         .fabric_logout          = qla24xx_fabric_logout,
2460         .calc_req_entries       = NULL,
2461         .build_iocbs            = NULL,
2462         .prep_ms_iocb           = qla24xx_prep_ms_iocb,
2463         .prep_ms_fdmi_iocb      = qla24xx_prep_ms_fdmi_iocb,
2464         .read_nvram             = NULL,
2465         .write_nvram            = NULL,
2466         .fw_dump                = qla83xx_fw_dump,
2467         .beacon_on              = qla24xx_beacon_on,
2468         .beacon_off             = qla24xx_beacon_off,
2469         .beacon_blink           = qla83xx_beacon_blink,
2470         .read_optrom            = qla25xx_read_optrom_data,
2471         .write_optrom           = qla24xx_write_optrom_data,
2472         .get_flash_version      = qla24xx_get_flash_version,
2473         .start_scsi             = qla24xx_dif_start_scsi,
2474         .start_scsi_mq          = qla2xxx_dif_start_scsi_mq,
2475         .abort_isp              = qla2x00_abort_isp,
2476         .iospace_config         = qla83xx_iospace_config,
2477         .initialize_adapter     = qla2x00_initialize_adapter,
2478 };
2479
2480 static struct isp_operations qlafx00_isp_ops = {
2481         .pci_config             = qlafx00_pci_config,
2482         .reset_chip             = qlafx00_soft_reset,
2483         .chip_diag              = qlafx00_chip_diag,
2484         .config_rings           = qlafx00_config_rings,
2485         .reset_adapter          = qlafx00_soft_reset,
2486         .nvram_config           = NULL,
2487         .update_fw_options      = NULL,
2488         .load_risc              = NULL,
2489         .pci_info_str           = qlafx00_pci_info_str,
2490         .fw_version_str         = qlafx00_fw_version_str,
2491         .intr_handler           = qlafx00_intr_handler,
2492         .enable_intrs           = qlafx00_enable_intrs,
2493         .disable_intrs          = qlafx00_disable_intrs,
2494         .abort_command          = qla24xx_async_abort_command,
2495         .target_reset           = qlafx00_abort_target,
2496         .lun_reset              = qlafx00_lun_reset,
2497         .fabric_login           = NULL,
2498         .fabric_logout          = NULL,
2499         .calc_req_entries       = NULL,
2500         .build_iocbs            = NULL,
2501         .prep_ms_iocb           = qla24xx_prep_ms_iocb,
2502         .prep_ms_fdmi_iocb      = qla24xx_prep_ms_fdmi_iocb,
2503         .read_nvram             = qla24xx_read_nvram_data,
2504         .write_nvram            = qla24xx_write_nvram_data,
2505         .fw_dump                = NULL,
2506         .beacon_on              = qla24xx_beacon_on,
2507         .beacon_off             = qla24xx_beacon_off,
2508         .beacon_blink           = NULL,
2509         .read_optrom            = qla24xx_read_optrom_data,
2510         .write_optrom           = qla24xx_write_optrom_data,
2511         .get_flash_version      = qla24xx_get_flash_version,
2512         .start_scsi             = qlafx00_start_scsi,
2513         .start_scsi_mq          = NULL,
2514         .abort_isp              = qlafx00_abort_isp,
2515         .iospace_config         = qlafx00_iospace_config,
2516         .initialize_adapter     = qlafx00_initialize_adapter,
2517 };
2518
2519 static struct isp_operations qla27xx_isp_ops = {
2520         .pci_config             = qla25xx_pci_config,
2521         .reset_chip             = qla24xx_reset_chip,
2522         .chip_diag              = qla24xx_chip_diag,
2523         .config_rings           = qla24xx_config_rings,
2524         .reset_adapter          = qla24xx_reset_adapter,
2525         .nvram_config           = qla81xx_nvram_config,
2526         .update_fw_options      = qla81xx_update_fw_options,
2527         .load_risc              = qla81xx_load_risc,
2528         .pci_info_str           = qla24xx_pci_info_str,
2529         .fw_version_str         = qla24xx_fw_version_str,
2530         .intr_handler           = qla24xx_intr_handler,
2531         .enable_intrs           = qla24xx_enable_intrs,
2532         .disable_intrs          = qla24xx_disable_intrs,
2533         .abort_command          = qla24xx_abort_command,
2534         .target_reset           = qla24xx_abort_target,
2535         .lun_reset              = qla24xx_lun_reset,
2536         .fabric_login           = qla24xx_login_fabric,
2537         .fabric_logout          = qla24xx_fabric_logout,
2538         .calc_req_entries       = NULL,
2539         .build_iocbs            = NULL,
2540         .prep_ms_iocb           = qla24xx_prep_ms_iocb,
2541         .prep_ms_fdmi_iocb      = qla24xx_prep_ms_fdmi_iocb,
2542         .read_nvram             = NULL,
2543         .write_nvram            = NULL,
2544         .fw_dump                = qla27xx_fwdump,
2545         .beacon_on              = qla24xx_beacon_on,
2546         .beacon_off             = qla24xx_beacon_off,
2547         .beacon_blink           = qla83xx_beacon_blink,
2548         .read_optrom            = qla25xx_read_optrom_data,
2549         .write_optrom           = qla24xx_write_optrom_data,
2550         .get_flash_version      = qla24xx_get_flash_version,
2551         .start_scsi             = qla24xx_dif_start_scsi,
2552         .start_scsi_mq          = qla2xxx_dif_start_scsi_mq,
2553         .abort_isp              = qla2x00_abort_isp,
2554         .iospace_config         = qla83xx_iospace_config,
2555         .initialize_adapter     = qla2x00_initialize_adapter,
2556 };
2557
2558 static inline void
2559 qla2x00_set_isp_flags(struct qla_hw_data *ha)
2560 {
2561         ha->device_type = DT_EXTENDED_IDS;
2562         switch (ha->pdev->device) {
2563         case PCI_DEVICE_ID_QLOGIC_ISP2100:
2564                 ha->isp_type |= DT_ISP2100;
2565                 ha->device_type &= ~DT_EXTENDED_IDS;
2566                 ha->fw_srisc_address = RISC_START_ADDRESS_2100;
2567                 break;
2568         case PCI_DEVICE_ID_QLOGIC_ISP2200:
2569                 ha->isp_type |= DT_ISP2200;
2570                 ha->device_type &= ~DT_EXTENDED_IDS;
2571                 ha->fw_srisc_address = RISC_START_ADDRESS_2100;
2572                 break;
2573         case PCI_DEVICE_ID_QLOGIC_ISP2300:
2574                 ha->isp_type |= DT_ISP2300;
2575                 ha->device_type |= DT_ZIO_SUPPORTED;
2576                 ha->fw_srisc_address = RISC_START_ADDRESS_2300;
2577                 break;
2578         case PCI_DEVICE_ID_QLOGIC_ISP2312:
2579                 ha->isp_type |= DT_ISP2312;
2580                 ha->device_type |= DT_ZIO_SUPPORTED;
2581                 ha->fw_srisc_address = RISC_START_ADDRESS_2300;
2582                 break;
2583         case PCI_DEVICE_ID_QLOGIC_ISP2322:
2584                 ha->isp_type |= DT_ISP2322;
2585                 ha->device_type |= DT_ZIO_SUPPORTED;
2586                 if (ha->pdev->subsystem_vendor == 0x1028 &&
2587                     ha->pdev->subsystem_device == 0x0170)
2588                         ha->device_type |= DT_OEM_001;
2589                 ha->fw_srisc_address = RISC_START_ADDRESS_2300;
2590                 break;
2591         case PCI_DEVICE_ID_QLOGIC_ISP6312:
2592                 ha->isp_type |= DT_ISP6312;
2593                 ha->fw_srisc_address = RISC_START_ADDRESS_2300;
2594                 break;
2595         case PCI_DEVICE_ID_QLOGIC_ISP6322:
2596                 ha->isp_type |= DT_ISP6322;
2597                 ha->fw_srisc_address = RISC_START_ADDRESS_2300;
2598                 break;
2599         case PCI_DEVICE_ID_QLOGIC_ISP2422:
2600                 ha->isp_type |= DT_ISP2422;
2601                 ha->device_type |= DT_ZIO_SUPPORTED;
2602                 ha->device_type |= DT_FWI2;
2603                 ha->device_type |= DT_IIDMA;
2604                 ha->fw_srisc_address = RISC_START_ADDRESS_2400;
2605                 break;
2606         case PCI_DEVICE_ID_QLOGIC_ISP2432:
2607                 ha->isp_type |= DT_ISP2432;
2608                 ha->device_type |= DT_ZIO_SUPPORTED;
2609                 ha->device_type |= DT_FWI2;
2610                 ha->device_type |= DT_IIDMA;
2611                 ha->fw_srisc_address = RISC_START_ADDRESS_2400;
2612                 break;
2613         case PCI_DEVICE_ID_QLOGIC_ISP8432:
2614                 ha->isp_type |= DT_ISP8432;
2615                 ha->device_type |= DT_ZIO_SUPPORTED;
2616                 ha->device_type |= DT_FWI2;
2617                 ha->device_type |= DT_IIDMA;
2618                 ha->fw_srisc_address = RISC_START_ADDRESS_2400;
2619                 break;
2620         case PCI_DEVICE_ID_QLOGIC_ISP5422:
2621                 ha->isp_type |= DT_ISP5422;
2622                 ha->device_type |= DT_FWI2;
2623                 ha->fw_srisc_address = RISC_START_ADDRESS_2400;
2624                 break;
2625         case PCI_DEVICE_ID_QLOGIC_ISP5432:
2626                 ha->isp_type |= DT_ISP5432;
2627                 ha->device_type |= DT_FWI2;
2628                 ha->fw_srisc_address = RISC_START_ADDRESS_2400;
2629                 break;
2630         case PCI_DEVICE_ID_QLOGIC_ISP2532:
2631                 ha->isp_type |= DT_ISP2532;
2632                 ha->device_type |= DT_ZIO_SUPPORTED;
2633                 ha->device_type |= DT_FWI2;
2634                 ha->device_type |= DT_IIDMA;
2635                 ha->fw_srisc_address = RISC_START_ADDRESS_2400;
2636                 break;
2637         case PCI_DEVICE_ID_QLOGIC_ISP8001:
2638                 ha->isp_type |= DT_ISP8001;
2639                 ha->device_type |= DT_ZIO_SUPPORTED;
2640                 ha->device_type |= DT_FWI2;
2641                 ha->device_type |= DT_IIDMA;
2642                 ha->fw_srisc_address = RISC_START_ADDRESS_2400;
2643                 break;
2644         case PCI_DEVICE_ID_QLOGIC_ISP8021:
2645                 ha->isp_type |= DT_ISP8021;
2646                 ha->device_type |= DT_ZIO_SUPPORTED;
2647                 ha->device_type |= DT_FWI2;
2648                 ha->fw_srisc_address = RISC_START_ADDRESS_2400;
2649                 /* Initialize 82XX ISP flags */
2650                 qla82xx_init_flags(ha);
2651                 break;
2652          case PCI_DEVICE_ID_QLOGIC_ISP8044:
2653                 ha->isp_type |= DT_ISP8044;
2654                 ha->device_type |= DT_ZIO_SUPPORTED;
2655                 ha->device_type |= DT_FWI2;
2656                 ha->fw_srisc_address = RISC_START_ADDRESS_2400;
2657                 /* Initialize 82XX ISP flags */
2658                 qla82xx_init_flags(ha);
2659                 break;
2660         case PCI_DEVICE_ID_QLOGIC_ISP2031:
2661                 ha->isp_type |= DT_ISP2031;
2662                 ha->device_type |= DT_ZIO_SUPPORTED;
2663                 ha->device_type |= DT_FWI2;
2664                 ha->device_type |= DT_IIDMA;
2665                 ha->device_type |= DT_T10_PI;
2666                 ha->fw_srisc_address = RISC_START_ADDRESS_2400;
2667                 break;
2668         case PCI_DEVICE_ID_QLOGIC_ISP8031:
2669                 ha->isp_type |= DT_ISP8031;
2670                 ha->device_type |= DT_ZIO_SUPPORTED;
2671                 ha->device_type |= DT_FWI2;
2672                 ha->device_type |= DT_IIDMA;
2673                 ha->device_type |= DT_T10_PI;
2674                 ha->fw_srisc_address = RISC_START_ADDRESS_2400;
2675                 break;
2676         case PCI_DEVICE_ID_QLOGIC_ISPF001:
2677                 ha->isp_type |= DT_ISPFX00;
2678                 break;
2679         case PCI_DEVICE_ID_QLOGIC_ISP2071:
2680                 ha->isp_type |= DT_ISP2071;
2681                 ha->device_type |= DT_ZIO_SUPPORTED;
2682                 ha->device_type |= DT_FWI2;
2683                 ha->device_type |= DT_IIDMA;
2684                 ha->device_type |= DT_T10_PI;
2685                 ha->fw_srisc_address = RISC_START_ADDRESS_2400;
2686                 break;
2687         case PCI_DEVICE_ID_QLOGIC_ISP2271:
2688                 ha->isp_type |= DT_ISP2271;
2689                 ha->device_type |= DT_ZIO_SUPPORTED;
2690                 ha->device_type |= DT_FWI2;
2691                 ha->device_type |= DT_IIDMA;
2692                 ha->device_type |= DT_T10_PI;
2693                 ha->fw_srisc_address = RISC_START_ADDRESS_2400;
2694                 break;
2695         case PCI_DEVICE_ID_QLOGIC_ISP2261:
2696                 ha->isp_type |= DT_ISP2261;
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         }
2704
2705         if (IS_QLA82XX(ha))
2706                 ha->port_no = ha->portnum & 1;
2707         else {
2708                 /* Get adapter physical port no from interrupt pin register. */
2709                 pci_read_config_byte(ha->pdev, PCI_INTERRUPT_PIN, &ha->port_no);
2710                 if (IS_QLA27XX(ha))
2711                         ha->port_no--;
2712                 else
2713                         ha->port_no = !(ha->port_no & 1);
2714         }
2715
2716         ql_dbg_pci(ql_dbg_init, ha->pdev, 0x000b,
2717             "device_type=0x%x port=%d fw_srisc_address=0x%x.\n",
2718             ha->device_type, ha->port_no, ha->fw_srisc_address);
2719 }
2720
2721 static void
2722 qla2xxx_scan_start(struct Scsi_Host *shost)
2723 {
2724         scsi_qla_host_t *vha = shost_priv(shost);
2725
2726         if (vha->hw->flags.running_gold_fw)
2727                 return;
2728
2729         set_bit(LOOP_RESYNC_NEEDED, &vha->dpc_flags);
2730         set_bit(LOCAL_LOOP_UPDATE, &vha->dpc_flags);
2731         set_bit(RSCN_UPDATE, &vha->dpc_flags);
2732         set_bit(NPIV_CONFIG_NEEDED, &vha->dpc_flags);
2733 }
2734
2735 static int
2736 qla2xxx_scan_finished(struct Scsi_Host *shost, unsigned long time)
2737 {
2738         scsi_qla_host_t *vha = shost_priv(shost);
2739
2740         if (test_bit(UNLOADING, &vha->dpc_flags))
2741                 return 1;
2742         if (!vha->host)
2743                 return 1;
2744         if (time > vha->hw->loop_reset_delay * HZ)
2745                 return 1;
2746
2747         return atomic_read(&vha->loop_state) == LOOP_READY;
2748 }
2749
2750 static void qla2x00_iocb_work_fn(struct work_struct *work)
2751 {
2752         struct scsi_qla_host *vha = container_of(work,
2753                 struct scsi_qla_host, iocb_work);
2754         struct qla_hw_data *ha = vha->hw;
2755         struct scsi_qla_host *base_vha = pci_get_drvdata(ha->pdev);
2756         int i = 2;
2757         unsigned long flags;
2758
2759         if (test_bit(UNLOADING, &base_vha->dpc_flags))
2760                 return;
2761
2762         while (!list_empty(&vha->work_list) && i > 0) {
2763                 qla2x00_do_work(vha);
2764                 i--;
2765         }
2766
2767         spin_lock_irqsave(&vha->work_lock, flags);
2768         clear_bit(IOCB_WORK_ACTIVE, &vha->dpc_flags);
2769         spin_unlock_irqrestore(&vha->work_lock, flags);
2770 }
2771
2772 /*
2773  * PCI driver interface
2774  */
2775 static int
2776 qla2x00_probe_one(struct pci_dev *pdev, const struct pci_device_id *id)
2777 {
2778         int     ret = -ENODEV;
2779         struct Scsi_Host *host;
2780         scsi_qla_host_t *base_vha = NULL;
2781         struct qla_hw_data *ha;
2782         char pci_info[30];
2783         char fw_str[30], wq_name[30];
2784         struct scsi_host_template *sht;
2785         int bars, mem_only = 0;
2786         uint16_t req_length = 0, rsp_length = 0;
2787         struct req_que *req = NULL;
2788         struct rsp_que *rsp = NULL;
2789         int i;
2790
2791         bars = pci_select_bars(pdev, IORESOURCE_MEM | IORESOURCE_IO);
2792         sht = &qla2xxx_driver_template;
2793         if (pdev->device == PCI_DEVICE_ID_QLOGIC_ISP2422 ||
2794             pdev->device == PCI_DEVICE_ID_QLOGIC_ISP2432 ||
2795             pdev->device == PCI_DEVICE_ID_QLOGIC_ISP8432 ||
2796             pdev->device == PCI_DEVICE_ID_QLOGIC_ISP5422 ||
2797             pdev->device == PCI_DEVICE_ID_QLOGIC_ISP5432 ||
2798             pdev->device == PCI_DEVICE_ID_QLOGIC_ISP2532 ||
2799             pdev->device == PCI_DEVICE_ID_QLOGIC_ISP8001 ||
2800             pdev->device == PCI_DEVICE_ID_QLOGIC_ISP8021 ||
2801             pdev->device == PCI_DEVICE_ID_QLOGIC_ISP2031 ||
2802             pdev->device == PCI_DEVICE_ID_QLOGIC_ISP8031 ||
2803             pdev->device == PCI_DEVICE_ID_QLOGIC_ISPF001 ||
2804             pdev->device == PCI_DEVICE_ID_QLOGIC_ISP8044 ||
2805             pdev->device == PCI_DEVICE_ID_QLOGIC_ISP2071 ||
2806             pdev->device == PCI_DEVICE_ID_QLOGIC_ISP2271 ||
2807             pdev->device == PCI_DEVICE_ID_QLOGIC_ISP2261) {
2808                 bars = pci_select_bars(pdev, IORESOURCE_MEM);
2809                 mem_only = 1;
2810                 ql_dbg_pci(ql_dbg_init, pdev, 0x0007,
2811                     "Mem only adapter.\n");
2812         }
2813         ql_dbg_pci(ql_dbg_init, pdev, 0x0008,
2814             "Bars=%d.\n", bars);
2815
2816         if (mem_only) {
2817                 if (pci_enable_device_mem(pdev))
2818                         return ret;
2819         } else {
2820                 if (pci_enable_device(pdev))
2821                         return ret;
2822         }
2823
2824         /* This may fail but that's ok */
2825         pci_enable_pcie_error_reporting(pdev);
2826
2827         ha = kzalloc(sizeof(struct qla_hw_data), GFP_KERNEL);
2828         if (!ha) {
2829                 ql_log_pci(ql_log_fatal, pdev, 0x0009,
2830                     "Unable to allocate memory for ha.\n");
2831                 goto disable_device;
2832         }
2833         ql_dbg_pci(ql_dbg_init, pdev, 0x000a,
2834             "Memory allocated for ha=%p.\n", ha);
2835         ha->pdev = pdev;
2836         INIT_LIST_HEAD(&ha->tgt.q_full_list);
2837         spin_lock_init(&ha->tgt.q_full_lock);
2838         spin_lock_init(&ha->tgt.sess_lock);
2839         spin_lock_init(&ha->tgt.atio_lock);
2840
2841         atomic_set(&ha->nvme_active_aen_cnt, 0);
2842
2843         /* Clear our data area */
2844         ha->bars = bars;
2845         ha->mem_only = mem_only;
2846         spin_lock_init(&ha->hardware_lock);
2847         spin_lock_init(&ha->vport_slock);
2848         mutex_init(&ha->selflogin_lock);
2849         mutex_init(&ha->optrom_mutex);
2850
2851         /* Set ISP-type information. */
2852         qla2x00_set_isp_flags(ha);
2853
2854         /* Set EEH reset type to fundamental if required by hba */
2855         if (IS_QLA24XX(ha) || IS_QLA25XX(ha) || IS_QLA81XX(ha) ||
2856             IS_QLA83XX(ha) || IS_QLA27XX(ha))
2857                 pdev->needs_freset = 1;
2858
2859         ha->prev_topology = 0;
2860         ha->init_cb_size = sizeof(init_cb_t);
2861         ha->link_data_rate = PORT_SPEED_UNKNOWN;
2862         ha->optrom_size = OPTROM_SIZE_2300;
2863         ha->max_exchg = FW_MAX_EXCHANGES_CNT;
2864         atomic_set(&ha->num_pend_mbx_stage1, 0);
2865         atomic_set(&ha->num_pend_mbx_stage2, 0);
2866         atomic_set(&ha->num_pend_mbx_stage3, 0);
2867         atomic_set(&ha->zio_threshold, DEFAULT_ZIO_THRESHOLD);
2868         ha->last_zio_threshold = DEFAULT_ZIO_THRESHOLD;
2869
2870         /* Assign ISP specific operations. */
2871         if (IS_QLA2100(ha)) {
2872                 ha->max_fibre_devices = MAX_FIBRE_DEVICES_2100;
2873                 ha->mbx_count = MAILBOX_REGISTER_COUNT_2100;
2874                 req_length = REQUEST_ENTRY_CNT_2100;
2875                 rsp_length = RESPONSE_ENTRY_CNT_2100;
2876                 ha->max_loop_id = SNS_LAST_LOOP_ID_2100;
2877                 ha->gid_list_info_size = 4;
2878                 ha->flash_conf_off = ~0;
2879                 ha->flash_data_off = ~0;
2880                 ha->nvram_conf_off = ~0;
2881                 ha->nvram_data_off = ~0;
2882                 ha->isp_ops = &qla2100_isp_ops;
2883         } else if (IS_QLA2200(ha)) {
2884                 ha->max_fibre_devices = MAX_FIBRE_DEVICES_2100;
2885                 ha->mbx_count = MAILBOX_REGISTER_COUNT_2200;
2886                 req_length = REQUEST_ENTRY_CNT_2200;
2887                 rsp_length = RESPONSE_ENTRY_CNT_2100;
2888                 ha->max_loop_id = SNS_LAST_LOOP_ID_2100;
2889                 ha->gid_list_info_size = 4;
2890                 ha->flash_conf_off = ~0;
2891                 ha->flash_data_off = ~0;
2892                 ha->nvram_conf_off = ~0;
2893                 ha->nvram_data_off = ~0;
2894                 ha->isp_ops = &qla2100_isp_ops;
2895         } else if (IS_QLA23XX(ha)) {
2896                 ha->max_fibre_devices = MAX_FIBRE_DEVICES_2100;
2897                 ha->mbx_count = MAILBOX_REGISTER_COUNT;
2898                 req_length = REQUEST_ENTRY_CNT_2200;
2899                 rsp_length = RESPONSE_ENTRY_CNT_2300;
2900                 ha->max_loop_id = SNS_LAST_LOOP_ID_2300;
2901                 ha->gid_list_info_size = 6;
2902                 if (IS_QLA2322(ha) || IS_QLA6322(ha))
2903                         ha->optrom_size = OPTROM_SIZE_2322;
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 = &qla2300_isp_ops;
2909         } else if (IS_QLA24XX_TYPE(ha)) {
2910                 ha->max_fibre_devices = MAX_FIBRE_DEVICES_2400;
2911                 ha->mbx_count = MAILBOX_REGISTER_COUNT;
2912                 req_length = REQUEST_ENTRY_CNT_24XX;
2913                 rsp_length = RESPONSE_ENTRY_CNT_2300;
2914                 ha->tgt.atio_q_length = ATIO_ENTRY_CNT_24XX;
2915                 ha->max_loop_id = SNS_LAST_LOOP_ID_2300;
2916                 ha->init_cb_size = sizeof(struct mid_init_cb_24xx);
2917                 ha->gid_list_info_size = 8;
2918                 ha->optrom_size = OPTROM_SIZE_24XX;
2919                 ha->nvram_npiv_size = QLA_MAX_VPORTS_QLA24XX;
2920                 ha->isp_ops = &qla24xx_isp_ops;
2921                 ha->flash_conf_off = FARX_ACCESS_FLASH_CONF;
2922                 ha->flash_data_off = FARX_ACCESS_FLASH_DATA;
2923                 ha->nvram_conf_off = FARX_ACCESS_NVRAM_CONF;
2924                 ha->nvram_data_off = FARX_ACCESS_NVRAM_DATA;
2925         } else if (IS_QLA25XX(ha)) {
2926                 ha->max_fibre_devices = MAX_FIBRE_DEVICES_2400;
2927                 ha->mbx_count = MAILBOX_REGISTER_COUNT;
2928                 req_length = REQUEST_ENTRY_CNT_24XX;
2929                 rsp_length = RESPONSE_ENTRY_CNT_2300;
2930                 ha->tgt.atio_q_length = ATIO_ENTRY_CNT_24XX;
2931                 ha->max_loop_id = SNS_LAST_LOOP_ID_2300;
2932                 ha->init_cb_size = sizeof(struct mid_init_cb_24xx);
2933                 ha->gid_list_info_size = 8;
2934                 ha->optrom_size = OPTROM_SIZE_25XX;
2935                 ha->nvram_npiv_size = QLA_MAX_VPORTS_QLA25XX;
2936                 ha->isp_ops = &qla25xx_isp_ops;
2937                 ha->flash_conf_off = FARX_ACCESS_FLASH_CONF;
2938                 ha->flash_data_off = FARX_ACCESS_FLASH_DATA;
2939                 ha->nvram_conf_off = FARX_ACCESS_NVRAM_CONF;
2940                 ha->nvram_data_off = FARX_ACCESS_NVRAM_DATA;
2941         } else if (IS_QLA81XX(ha)) {
2942                 ha->max_fibre_devices = MAX_FIBRE_DEVICES_2400;
2943                 ha->mbx_count = MAILBOX_REGISTER_COUNT;
2944                 req_length = REQUEST_ENTRY_CNT_24XX;
2945                 rsp_length = RESPONSE_ENTRY_CNT_2300;
2946                 ha->tgt.atio_q_length = ATIO_ENTRY_CNT_24XX;
2947                 ha->max_loop_id = SNS_LAST_LOOP_ID_2300;
2948                 ha->init_cb_size = sizeof(struct mid_init_cb_81xx);
2949                 ha->gid_list_info_size = 8;
2950                 ha->optrom_size = OPTROM_SIZE_81XX;
2951                 ha->nvram_npiv_size = QLA_MAX_VPORTS_QLA25XX;
2952                 ha->isp_ops = &qla81xx_isp_ops;
2953                 ha->flash_conf_off = FARX_ACCESS_FLASH_CONF_81XX;
2954                 ha->flash_data_off = FARX_ACCESS_FLASH_DATA_81XX;
2955                 ha->nvram_conf_off = ~0;
2956                 ha->nvram_data_off = ~0;
2957         } else if (IS_QLA82XX(ha)) {
2958                 ha->max_fibre_devices = MAX_FIBRE_DEVICES_2400;
2959                 ha->mbx_count = MAILBOX_REGISTER_COUNT;
2960                 req_length = REQUEST_ENTRY_CNT_82XX;
2961                 rsp_length = RESPONSE_ENTRY_CNT_82XX;
2962                 ha->max_loop_id = SNS_LAST_LOOP_ID_2300;
2963                 ha->init_cb_size = sizeof(struct mid_init_cb_81xx);
2964                 ha->gid_list_info_size = 8;
2965                 ha->optrom_size = OPTROM_SIZE_82XX;
2966                 ha->nvram_npiv_size = QLA_MAX_VPORTS_QLA25XX;
2967                 ha->isp_ops = &qla82xx_isp_ops;
2968                 ha->flash_conf_off = FARX_ACCESS_FLASH_CONF;
2969                 ha->flash_data_off = FARX_ACCESS_FLASH_DATA;
2970                 ha->nvram_conf_off = FARX_ACCESS_NVRAM_CONF;
2971                 ha->nvram_data_off = FARX_ACCESS_NVRAM_DATA;
2972         } else if (IS_QLA8044(ha)) {
2973                 ha->max_fibre_devices = MAX_FIBRE_DEVICES_2400;
2974                 ha->mbx_count = MAILBOX_REGISTER_COUNT;
2975                 req_length = REQUEST_ENTRY_CNT_82XX;
2976                 rsp_length = RESPONSE_ENTRY_CNT_82XX;
2977                 ha->max_loop_id = SNS_LAST_LOOP_ID_2300;
2978                 ha->init_cb_size = sizeof(struct mid_init_cb_81xx);
2979                 ha->gid_list_info_size = 8;
2980                 ha->optrom_size = OPTROM_SIZE_83XX;
2981                 ha->nvram_npiv_size = QLA_MAX_VPORTS_QLA25XX;
2982                 ha->isp_ops = &qla8044_isp_ops;
2983                 ha->flash_conf_off = FARX_ACCESS_FLASH_CONF;
2984                 ha->flash_data_off = FARX_ACCESS_FLASH_DATA;
2985                 ha->nvram_conf_off = FARX_ACCESS_NVRAM_CONF;
2986                 ha->nvram_data_off = FARX_ACCESS_NVRAM_DATA;
2987         } else if (IS_QLA83XX(ha)) {
2988                 ha->portnum = PCI_FUNC(ha->pdev->devfn);
2989                 ha->max_fibre_devices = MAX_FIBRE_DEVICES_2400;
2990                 ha->mbx_count = MAILBOX_REGISTER_COUNT;
2991                 req_length = REQUEST_ENTRY_CNT_83XX;
2992                 rsp_length = RESPONSE_ENTRY_CNT_83XX;
2993                 ha->tgt.atio_q_length = ATIO_ENTRY_CNT_24XX;
2994                 ha->max_loop_id = SNS_LAST_LOOP_ID_2300;
2995                 ha->init_cb_size = sizeof(struct mid_init_cb_81xx);
2996                 ha->gid_list_info_size = 8;
2997                 ha->optrom_size = OPTROM_SIZE_83XX;
2998                 ha->nvram_npiv_size = QLA_MAX_VPORTS_QLA25XX;
2999                 ha->isp_ops = &qla83xx_isp_ops;
3000                 ha->flash_conf_off = FARX_ACCESS_FLASH_CONF_81XX;
3001                 ha->flash_data_off = FARX_ACCESS_FLASH_DATA_81XX;
3002                 ha->nvram_conf_off = ~0;
3003                 ha->nvram_data_off = ~0;
3004         }  else if (IS_QLAFX00(ha)) {
3005                 ha->max_fibre_devices = MAX_FIBRE_DEVICES_FX00;
3006                 ha->mbx_count = MAILBOX_REGISTER_COUNT_FX00;
3007                 ha->aen_mbx_count = AEN_MAILBOX_REGISTER_COUNT_FX00;
3008                 req_length = REQUEST_ENTRY_CNT_FX00;
3009                 rsp_length = RESPONSE_ENTRY_CNT_FX00;
3010                 ha->isp_ops = &qlafx00_isp_ops;
3011                 ha->port_down_retry_count = 30; /* default value */
3012                 ha->mr.fw_hbt_cnt = QLAFX00_HEARTBEAT_INTERVAL;
3013                 ha->mr.fw_reset_timer_tick = QLAFX00_RESET_INTERVAL;
3014                 ha->mr.fw_critemp_timer_tick = QLAFX00_CRITEMP_INTERVAL;
3015                 ha->mr.fw_hbt_en = 1;
3016                 ha->mr.host_info_resend = false;
3017                 ha->mr.hinfo_resend_timer_tick = QLAFX00_HINFO_RESEND_INTERVAL;
3018         } else if (IS_QLA27XX(ha)) {
3019                 ha->portnum = PCI_FUNC(ha->pdev->devfn);
3020                 ha->max_fibre_devices = MAX_FIBRE_DEVICES_2400;
3021                 ha->mbx_count = MAILBOX_REGISTER_COUNT;
3022                 req_length = REQUEST_ENTRY_CNT_83XX;
3023                 rsp_length = RESPONSE_ENTRY_CNT_83XX;
3024                 ha->tgt.atio_q_length = ATIO_ENTRY_CNT_24XX;
3025                 ha->max_loop_id = SNS_LAST_LOOP_ID_2300;
3026                 ha->init_cb_size = sizeof(struct mid_init_cb_81xx);
3027                 ha->gid_list_info_size = 8;
3028                 ha->optrom_size = OPTROM_SIZE_83XX;
3029                 ha->nvram_npiv_size = QLA_MAX_VPORTS_QLA25XX;
3030                 ha->isp_ops = &qla27xx_isp_ops;
3031                 ha->flash_conf_off = FARX_ACCESS_FLASH_CONF_81XX;
3032                 ha->flash_data_off = FARX_ACCESS_FLASH_DATA_81XX;
3033                 ha->nvram_conf_off = ~0;
3034                 ha->nvram_data_off = ~0;
3035         }
3036
3037         ql_dbg_pci(ql_dbg_init, pdev, 0x001e,
3038             "mbx_count=%d, req_length=%d, "
3039             "rsp_length=%d, max_loop_id=%d, init_cb_size=%d, "
3040             "gid_list_info_size=%d, optrom_size=%d, nvram_npiv_size=%d, "
3041             "max_fibre_devices=%d.\n",
3042             ha->mbx_count, req_length, rsp_length, ha->max_loop_id,
3043             ha->init_cb_size, ha->gid_list_info_size, ha->optrom_size,
3044             ha->nvram_npiv_size, ha->max_fibre_devices);
3045         ql_dbg_pci(ql_dbg_init, pdev, 0x001f,
3046             "isp_ops=%p, flash_conf_off=%d, "
3047             "flash_data_off=%d, nvram_conf_off=%d, nvram_data_off=%d.\n",
3048             ha->isp_ops, ha->flash_conf_off, ha->flash_data_off,
3049             ha->nvram_conf_off, ha->nvram_data_off);
3050
3051         /* Configure PCI I/O space */
3052         ret = ha->isp_ops->iospace_config(ha);
3053         if (ret)
3054                 goto iospace_config_failed;
3055
3056         ql_log_pci(ql_log_info, pdev, 0x001d,
3057             "Found an ISP%04X irq %d iobase 0x%p.\n",
3058             pdev->device, pdev->irq, ha->iobase);
3059         mutex_init(&ha->vport_lock);
3060         mutex_init(&ha->mq_lock);
3061         init_completion(&ha->mbx_cmd_comp);
3062         complete(&ha->mbx_cmd_comp);
3063         init_completion(&ha->mbx_intr_comp);
3064         init_completion(&ha->dcbx_comp);
3065         init_completion(&ha->lb_portup_comp);
3066
3067         set_bit(0, (unsigned long *) ha->vp_idx_map);
3068
3069         qla2x00_config_dma_addressing(ha);
3070         ql_dbg_pci(ql_dbg_init, pdev, 0x0020,
3071             "64 Bit addressing is %s.\n",
3072             ha->flags.enable_64bit_addressing ? "enable" :
3073             "disable");
3074         ret = qla2x00_mem_alloc(ha, req_length, rsp_length, &req, &rsp);
3075         if (ret) {
3076                 ql_log_pci(ql_log_fatal, pdev, 0x0031,
3077                     "Failed to allocate memory for adapter, aborting.\n");
3078
3079                 goto probe_hw_failed;
3080         }
3081
3082         req->max_q_depth = MAX_Q_DEPTH;
3083         if (ql2xmaxqdepth != 0 && ql2xmaxqdepth <= 0xffffU)
3084                 req->max_q_depth = ql2xmaxqdepth;
3085
3086
3087         base_vha = qla2x00_create_host(sht, ha);
3088         if (!base_vha) {
3089                 ret = -ENOMEM;
3090                 goto probe_hw_failed;