drivers/scsi/qla2xxx/qla_init.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 #include "qla_gbl.h"
   9
  10 #include <linux/delay.h>
  11 #include <linux/slab.h>
  12 #include <linux/vmalloc.h>
  13
  14 #include "qla_devtbl.h"
  15
  16 #ifdef CONFIG_SPARC
  17 #include <asm/prom.h>
  18 #endif
  19
  20 #include "qla_target.h"
  21
  22 /*
  23 *  QLogic ISP2x00 Hardware Support Function Prototypes.
  24 */
  25 static int qla2x00_isp_firmware(scsi_qla_host_t *);
  26 static int qla2x00_setup_chip(scsi_qla_host_t *);
  27 static int qla2x00_fw_ready(scsi_qla_host_t *);
  28 static int qla2x00_configure_hba(scsi_qla_host_t *);
  29 static int qla2x00_configure_loop(scsi_qla_host_t *);
  30 static int qla2x00_configure_local_loop(scsi_qla_host_t *);
  31 static int qla2x00_configure_fabric(scsi_qla_host_t *);
  32 static int qla2x00_find_all_fabric_devs(scsi_qla_host_t *);
  33 static int qla2x00_restart_isp(scsi_qla_host_t *);
  34
  35 static struct qla_chip_state_84xx *qla84xx_get_chip(struct scsi_qla_host *);
  36 static int qla84xx_init_chip(scsi_qla_host_t *);
  37 static int qla25xx_init_queues(struct qla_hw_data *);
  38 static int qla24xx_post_prli_work(struct scsi_qla_host*, fc_port_t *);
  39 static void qla24xx_handle_gpdb_event(scsi_qla_host_t *vha,
  40                                       struct event_arg *ea);
  41 static void qla24xx_handle_prli_done_event(struct scsi_qla_host *,
  42     struct event_arg *);
  43 static void __qla24xx_handle_gpdb_event(scsi_qla_host_t *, struct event_arg *);
  44
  45 /* SRB Extensions ---------------------------------------------------------- */
  46
  47 void
  48 qla2x00_sp_timeout(struct timer_list *t)
  49 {
  50         srb_t *sp = from_timer(sp, t, u.iocb_cmd.timer);
  51         struct srb_iocb *iocb;
  52
  53         WARN_ON(irqs_disabled());
  54         iocb = &sp->u.iocb_cmd;
  55         iocb->timeout(sp);
  56 }
  57
  58 void qla2x00_sp_free(srb_t *sp)
  59 {
  60         struct srb_iocb *iocb = &sp->u.iocb_cmd;
  61
  62         del_timer(&iocb->timer);
  63         qla2x00_rel_sp(sp);
  64 }
  65
  66 /* Asynchronous Login/Logout Routines -------------------------------------- */
  67
  68 unsigned long
  69 qla2x00_get_async_timeout(struct scsi_qla_host *vha)
  70 {
  71         unsigned long tmo;
  72         struct qla_hw_data *ha = vha->hw;
  73
  74         /* Firmware should use switch negotiated r_a_tov for timeout. */
  75         tmo = ha->r_a_tov / 10 * 2;
  76         if (IS_QLAFX00(ha)) {
  77                 tmo = FX00_DEF_RATOV * 2;
  78         } else if (!IS_FWI2_CAPABLE(ha)) {
  79                 /*
  80                  * Except for earlier ISPs where the timeout is seeded from the
  81                  * initialization control block.
  82                  */
  83                 tmo = ha->login_timeout;
  84         }
  85         return tmo;
  86 }
  87
  88 static void qla24xx_abort_iocb_timeout(void *data)
  89 {
  90         srb_t *sp = data;
  91         struct srb_iocb *abt = &sp->u.iocb_cmd;
  92         struct qla_qpair *qpair = sp->qpair;
  93         u32 handle;
  94         unsigned long flags;
  95
  96         if (sp->cmd_sp)
  97                 ql_dbg(ql_dbg_async, sp->vha, 0x507c,
  98                     "Abort timeout - cmd hdl=%x, cmd type=%x hdl=%x, type=%x\n",
  99                     sp->cmd_sp->handle, sp->cmd_sp->type,
 100                     sp->handle, sp->type);
 101         else
 102                 ql_dbg(ql_dbg_async, sp->vha, 0x507c,
 103                     "Abort timeout 2 - hdl=%x, type=%x\n",
 104                     sp->handle, sp->type);
 105
 106         spin_lock_irqsave(qpair->qp_lock_ptr, flags);
 107         for (handle = 1; handle < qpair->req->num_outstanding_cmds; handle++) {
 108                 if (sp->cmd_sp && (qpair->req->outstanding_cmds[handle] ==
 109                     sp->cmd_sp))
 110                         qpair->req->outstanding_cmds[handle] = NULL;
 111
 112                 /* removing the abort */
 113                 if (qpair->req->outstanding_cmds[handle] == sp) {
 114                         qpair->req->outstanding_cmds[handle] = NULL;
 115                         break;
 116                 }
 117         }
 118         spin_unlock_irqrestore(qpair->qp_lock_ptr, flags);
 119
 120         if (sp->cmd_sp)
 121                 sp->cmd_sp->done(sp->cmd_sp, QLA_OS_TIMER_EXPIRED);
 122
 123         abt->u.abt.comp_status = cpu_to_le16(CS_TIMEOUT);
 124         sp->done(sp, QLA_OS_TIMER_EXPIRED);
 125 }
 126
 127 static void qla24xx_abort_sp_done(srb_t *sp, int res)
 128 {
 129         struct srb_iocb *abt = &sp->u.iocb_cmd;
 130
 131         del_timer(&sp->u.iocb_cmd.timer);
 132         if (sp->flags & SRB_WAKEUP_ON_COMP)
 133                 complete(&abt->u.abt.comp);
 134         else
 135                 sp->free(sp);
 136 }
 137
 138 int qla24xx_async_abort_cmd(srb_t *cmd_sp, bool wait)
 139 {
 140         scsi_qla_host_t *vha = cmd_sp->vha;
 141         struct srb_iocb *abt_iocb;
 142         srb_t *sp;
 143         int rval = QLA_FUNCTION_FAILED;
 144
 145         sp = qla2xxx_get_qpair_sp(cmd_sp->vha, cmd_sp->qpair, cmd_sp->fcport,
 146                                   GFP_ATOMIC);
 147         if (!sp)
 148                 return rval;
 149
 150         abt_iocb = &sp->u.iocb_cmd;
 151         sp->type = SRB_ABT_CMD;
 152         sp->name = "abort";
 153         sp->qpair = cmd_sp->qpair;
 154         sp->cmd_sp = cmd_sp;
 155         if (wait)
 156                 sp->flags = SRB_WAKEUP_ON_COMP;
 157
 158         abt_iocb->timeout = qla24xx_abort_iocb_timeout;
 159         init_completion(&abt_iocb->u.abt.comp);
 160         /* FW can send 2 x ABTS's timeout/20s */
 161         qla2x00_init_timer(sp, 42);
 162
 163         abt_iocb->u.abt.cmd_hndl = cmd_sp->handle;
 164         abt_iocb->u.abt.req_que_no = cpu_to_le16(cmd_sp->qpair->req->id);
 165
 166         sp->done = qla24xx_abort_sp_done;
 167
 168         ql_dbg(ql_dbg_async, vha, 0x507c,
 169                "Abort command issued - hdl=%x, type=%x\n", cmd_sp->handle,
 170                cmd_sp->type);
 171
 172         rval = qla2x00_start_sp(sp);
 173         if (rval != QLA_SUCCESS) {
 174                 sp->free(sp);
 175                 return rval;
 176         }
 177
 178         if (wait) {
 179                 wait_for_completion(&abt_iocb->u.abt.comp);
 180                 rval = abt_iocb->u.abt.comp_status == CS_COMPLETE ?
 181                         QLA_SUCCESS : QLA_FUNCTION_FAILED;
 182                 sp->free(sp);
 183         }
 184
 185         return rval;
 186 }
 187
 188 void
 189 qla2x00_async_iocb_timeout(void *data)
 190 {
 191         srb_t *sp = data;
 192         fc_port_t *fcport = sp->fcport;
 193         struct srb_iocb *lio = &sp->u.iocb_cmd;
 194         int rc, h;
 195         unsigned long flags;
 196
 197         if (fcport) {
 198                 ql_dbg(ql_dbg_disc, fcport->vha, 0x2071,
 199                     "Async-%s timeout - hdl=%x portid=%06x %8phC.\n",
 200                     sp->name, sp->handle, fcport->d_id.b24, fcport->port_name);
 201
 202                 fcport->flags &= ~(FCF_ASYNC_SENT | FCF_ASYNC_ACTIVE);
 203         } else {
 204                 pr_info("Async-%s timeout - hdl=%x.\n",
 205                     sp->name, sp->handle);
 206         }
 207
 208         switch (sp->type) {
 209         case SRB_LOGIN_CMD:
 210                 rc = qla24xx_async_abort_cmd(sp, false);
 211                 if (rc) {
 212                         /* Retry as needed. */
 213                         lio->u.logio.data[0] = MBS_COMMAND_ERROR;
 214                         lio->u.logio.data[1] =
 215                                 lio->u.logio.flags & SRB_LOGIN_RETRIED ?
 216                                 QLA_LOGIO_LOGIN_RETRIED : 0;
 217                         spin_lock_irqsave(sp->qpair->qp_lock_ptr, flags);
 218                         for (h = 1; h < sp->qpair->req->num_outstanding_cmds;
 219                             h++) {
 220                                 if (sp->qpair->req->outstanding_cmds[h] ==
 221                                     sp) {
 222                                         sp->qpair->req->outstanding_cmds[h] =
 223                                             NULL;
 224                                         break;
 225                                 }
 226                         }
 227                         spin_unlock_irqrestore(sp->qpair->qp_lock_ptr, flags);
 228                         sp->done(sp, QLA_FUNCTION_TIMEOUT);
 229                 }
 230                 break;
 231         case SRB_LOGOUT_CMD:
 232         case SRB_CT_PTHRU_CMD:
 233         case SRB_MB_IOCB:
 234         case SRB_NACK_PLOGI:
 235         case SRB_NACK_PRLI:
 236         case SRB_NACK_LOGO:
 237         case SRB_CTRL_VP:
 238         default:
 239                 rc = qla24xx_async_abort_cmd(sp, false);
 240                 if (rc) {
 241                         spin_lock_irqsave(sp->qpair->qp_lock_ptr, flags);
 242                         for (h = 1; h < sp->qpair->req->num_outstanding_cmds;
 243                             h++) {
 244                                 if (sp->qpair->req->outstanding_cmds[h] ==
 245                                     sp) {
 246                                         sp->qpair->req->outstanding_cmds[h] =
 247                                             NULL;
 248                                         break;
 249                                 }
 250                         }
 251                         spin_unlock_irqrestore(sp->qpair->qp_lock_ptr, flags);
 252                         sp->done(sp, QLA_FUNCTION_TIMEOUT);
 253                 }
 254                 break;
 255         }
 256 }
 257
 258 static void qla2x00_async_login_sp_done(srb_t *sp, int res)
 259 {
 260         struct scsi_qla_host *vha = sp->vha;
 261         struct srb_iocb *lio = &sp->u.iocb_cmd;
 262         struct event_arg ea;
 263
 264         ql_dbg(ql_dbg_disc, vha, 0x20dd,
 265             "%s %8phC res %d \n", __func__, sp->fcport->port_name, res);
 266
 267         sp->fcport->flags &= ~(FCF_ASYNC_SENT | FCF_ASYNC_ACTIVE);
 268
 269         if (!test_bit(UNLOADING, &vha->dpc_flags)) {
 270                 memset(&ea, 0, sizeof(ea));
 271                 ea.fcport = sp->fcport;
 272                 ea.data[0] = lio->u.logio.data[0];
 273                 ea.data[1] = lio->u.logio.data[1];
 274                 ea.iop[0] = lio->u.logio.iop[0];
 275                 ea.iop[1] = lio->u.logio.iop[1];
 276                 ea.sp = sp;
 277                 qla24xx_handle_plogi_done_event(vha, &ea);
 278         }
 279
 280         sp->free(sp);
 281 }
 282
 283 static inline bool
 284 fcport_is_smaller(fc_port_t *fcport)
 285 {
 286         if (wwn_to_u64(fcport->port_name) <
 287             wwn_to_u64(fcport->vha->port_name))
 288                 return true;
 289         else
 290                 return false;
 291 }
 292
 293 static inline bool
 294 fcport_is_bigger(fc_port_t *fcport)
 295 {
 296         return !fcport_is_smaller(fcport);
 297 }
 298
 299 int
 300 qla2x00_async_login(struct scsi_qla_host *vha, fc_port_t *fcport,
 301     uint16_t *data)
 302 {
 303         srb_t *sp;
 304         struct srb_iocb *lio;
 305         int rval = QLA_FUNCTION_FAILED;
 306
 307         if (!vha->flags.online || (fcport->flags & FCF_ASYNC_SENT) ||
 308             fcport->loop_id == FC_NO_LOOP_ID) {
 309                 ql_log(ql_log_warn, vha, 0xffff,
 310                     "%s: %8phC - not sending command.\n",
 311                     __func__, fcport->port_name);
 312                 return rval;
 313         }
 314
 315         sp = qla2x00_get_sp(vha, fcport, GFP_KERNEL);
 316         if (!sp)
 317                 goto done;
 318
 319         qla2x00_set_fcport_disc_state(fcport, DSC_LOGIN_PEND);
 320         fcport->flags |= FCF_ASYNC_SENT;
 321         fcport->logout_completed = 0;
 322
 323         sp->type = SRB_LOGIN_CMD;
 324         sp->name = "login";
 325         sp->gen1 = fcport->rscn_gen;
 326         sp->gen2 = fcport->login_gen;
 327
 328         lio = &sp->u.iocb_cmd;
 329         lio->timeout = qla2x00_async_iocb_timeout;
 330         qla2x00_init_timer(sp, qla2x00_get_async_timeout(vha) + 2);
 331
 332         sp->done = qla2x00_async_login_sp_done;
 333         if (N2N_TOPO(fcport->vha->hw) && fcport_is_bigger(fcport))
 334                 lio->u.logio.flags |= SRB_LOGIN_PRLI_ONLY;
 335         else
 336                 lio->u.logio.flags |= SRB_LOGIN_COND_PLOGI;
 337
 338         if (NVME_TARGET(vha->hw, fcport))
 339                 lio->u.logio.flags |= SRB_LOGIN_SKIP_PRLI;
 340
 341         ql_dbg(ql_dbg_disc, vha, 0x2072,
 342             "Async-login - %8phC hdl=%x, loopid=%x portid=%02x%02x%02x "
 343                 "retries=%d.\n", fcport->port_name, sp->handle, fcport->loop_id,
 344             fcport->d_id.b.domain, fcport->d_id.b.area, fcport->d_id.b.al_pa,
 345             fcport->login_retry);
 346
 347         rval = qla2x00_start_sp(sp);
 348         if (rval != QLA_SUCCESS) {
 349                 fcport->flags |= FCF_LOGIN_NEEDED;
 350                 set_bit(RELOGIN_NEEDED, &vha->dpc_flags);
 351                 goto done_free_sp;
 352         }
 353
 354         return rval;
 355
 356 done_free_sp:
 357         sp->free(sp);
 358         fcport->flags &= ~FCF_ASYNC_SENT;
 359 done:
 360         fcport->flags &= ~FCF_ASYNC_ACTIVE;
 361         return rval;
 362 }
 363
 364 static void qla2x00_async_logout_sp_done(srb_t *sp, int res)
 365 {
 366         sp->fcport->flags &= ~(FCF_ASYNC_SENT | FCF_ASYNC_ACTIVE);
 367         sp->fcport->login_gen++;
 368         qlt_logo_completion_handler(sp->fcport, res);
 369         sp->free(sp);
 370 }
 371
 372 int
 373 qla2x00_async_logout(struct scsi_qla_host *vha, fc_port_t *fcport)
 374 {
 375         srb_t *sp;
 376         struct srb_iocb *lio;
 377         int rval = QLA_FUNCTION_FAILED;
 378
 379         fcport->flags |= FCF_ASYNC_SENT;
 380         sp = qla2x00_get_sp(vha, fcport, GFP_KERNEL);
 381         if (!sp)
 382                 goto done;
 383
 384         sp->type = SRB_LOGOUT_CMD;
 385         sp->name = "logout";
 386
 387         lio = &sp->u.iocb_cmd;
 388         lio->timeout = qla2x00_async_iocb_timeout;
 389         qla2x00_init_timer(sp, qla2x00_get_async_timeout(vha) + 2);
 390
 391         sp->done = qla2x00_async_logout_sp_done;
 392
 393         ql_dbg(ql_dbg_disc, vha, 0x2070,
 394             "Async-logout - hdl=%x loop-id=%x portid=%02x%02x%02x %8phC.\n",
 395             sp->handle, fcport->loop_id, fcport->d_id.b.domain,
 396                 fcport->d_id.b.area, fcport->d_id.b.al_pa,
 397                 fcport->port_name);
 398
 399         rval = qla2x00_start_sp(sp);
 400         if (rval != QLA_SUCCESS)
 401                 goto done_free_sp;
 402         return rval;
 403
 404 done_free_sp:
 405         sp->free(sp);
 406 done:
 407         fcport->flags &= ~(FCF_ASYNC_SENT | FCF_ASYNC_ACTIVE);
 408         return rval;
 409 }
 410
 411 void
 412 qla2x00_async_prlo_done(struct scsi_qla_host *vha, fc_port_t *fcport,
 413     uint16_t *data)
 414 {
 415         fcport->flags &= ~FCF_ASYNC_ACTIVE;
 416         /* Don't re-login in target mode */
 417         if (!fcport->tgt_session)
 418                 qla2x00_mark_device_lost(vha, fcport, 1);
 419         qlt_logo_completion_handler(fcport, data[0]);
 420 }
 421
 422 static void qla2x00_async_prlo_sp_done(srb_t *sp, int res)
 423 {
 424         struct srb_iocb *lio = &sp->u.iocb_cmd;
 425         struct scsi_qla_host *vha = sp->vha;
 426
 427         sp->fcport->flags &= ~FCF_ASYNC_ACTIVE;
 428         if (!test_bit(UNLOADING, &vha->dpc_flags))
 429                 qla2x00_post_async_prlo_done_work(sp->fcport->vha, sp->fcport,
 430                     lio->u.logio.data);
 431         sp->free(sp);
 432 }
 433
 434 int
 435 qla2x00_async_prlo(struct scsi_qla_host *vha, fc_port_t *fcport)
 436 {
 437         srb_t *sp;
 438         struct srb_iocb *lio;
 439         int rval;
 440
 441         rval = QLA_FUNCTION_FAILED;
 442         sp = qla2x00_get_sp(vha, fcport, GFP_KERNEL);
 443         if (!sp)
 444                 goto done;
 445
 446         sp->type = SRB_PRLO_CMD;
 447         sp->name = "prlo";
 448
 449         lio = &sp->u.iocb_cmd;
 450         lio->timeout = qla2x00_async_iocb_timeout;
 451         qla2x00_init_timer(sp, qla2x00_get_async_timeout(vha) + 2);
 452
 453         sp->done = qla2x00_async_prlo_sp_done;
 454
 455         ql_dbg(ql_dbg_disc, vha, 0x2070,
 456             "Async-prlo - hdl=%x loop-id=%x portid=%02x%02x%02x.\n",
 457             sp->handle, fcport->loop_id, fcport->d_id.b.domain,
 458             fcport->d_id.b.area, fcport->d_id.b.al_pa);
 459
 460         rval = qla2x00_start_sp(sp);
 461         if (rval != QLA_SUCCESS)
 462                 goto done_free_sp;
 463
 464         return rval;
 465
 466 done_free_sp:
 467         sp->free(sp);
 468 done:
 469         fcport->flags &= ~FCF_ASYNC_ACTIVE;
 470         return rval;
 471 }
 472
 473 static
 474 void qla24xx_handle_adisc_event(scsi_qla_host_t *vha, struct event_arg *ea)
 475 {
 476         struct fc_port *fcport = ea->fcport;
 477
 478         ql_dbg(ql_dbg_disc, vha, 0x20d2,
 479             "%s %8phC DS %d LS %d rc %d login %d|%d rscn %d|%d lid %d\n",
 480             __func__, fcport->port_name, fcport->disc_state,
 481             fcport->fw_login_state, ea->rc, fcport->login_gen, ea->sp->gen2,
 482             fcport->rscn_gen, ea->sp->gen1, fcport->loop_id);
 483
 484         WARN_ONCE(!qla2xxx_is_valid_mbs(ea->data[0]), "mbs: %#x\n",
 485                   ea->data[0]);
 486
 487         if (ea->data[0] != MBS_COMMAND_COMPLETE) {
 488                 ql_dbg(ql_dbg_disc, vha, 0x2066,
 489                     "%s %8phC: adisc fail: post delete\n",
 490                     __func__, ea->fcport->port_name);
 491                 /* deleted = 0 & logout_on_delete = force fw cleanup */
 492                 fcport->deleted = 0;
 493                 fcport->logout_on_delete = 1;
 494                 qlt_schedule_sess_for_deletion(ea->fcport);
 495                 return;
 496         }
 497
 498         if (ea->fcport->disc_state == DSC_DELETE_PEND)
 499                 return;
 500
 501         if (ea->sp->gen2 != ea->fcport->login_gen) {
 502                 /* target side must have changed it. */
 503                 ql_dbg(ql_dbg_disc, vha, 0x20d3,
 504                     "%s %8phC generation changed\n",
 505                     __func__, ea->fcport->port_name);
 506                 return;
 507         } else if (ea->sp->gen1 != ea->fcport->rscn_gen) {
 508                 qla_rscn_replay(fcport);
 509                 qlt_schedule_sess_for_deletion(fcport);
 510                 return;
 511         }
 512
 513         __qla24xx_handle_gpdb_event(vha, ea);
 514 }
 515
 516 static int qla_post_els_plogi_work(struct scsi_qla_host *vha, fc_port_t *fcport)
 517 {
 518         struct qla_work_evt *e;
 519
 520         e = qla2x00_alloc_work(vha, QLA_EVT_ELS_PLOGI);
 521         if (!e)
 522                 return QLA_FUNCTION_FAILED;
 523
 524         e->u.fcport.fcport = fcport;
 525         fcport->flags |= FCF_ASYNC_ACTIVE;
 526         qla2x00_set_fcport_disc_state(fcport, DSC_LOGIN_PEND);
 527         return qla2x00_post_work(vha, e);
 528 }
 529
 530 static void qla2x00_async_adisc_sp_done(srb_t *sp, int res)
 531 {
 532         struct scsi_qla_host *vha = sp->vha;
 533         struct event_arg ea;
 534         struct srb_iocb *lio = &sp->u.iocb_cmd;
 535
 536         ql_dbg(ql_dbg_disc, vha, 0x2066,
 537             "Async done-%s res %x %8phC\n",
 538             sp->name, res, sp->fcport->port_name);
 539
 540         sp->fcport->flags &= ~(FCF_ASYNC_SENT | FCF_ASYNC_ACTIVE);
 541
 542         memset(&ea, 0, sizeof(ea));
 543         ea.rc = res;
 544         ea.data[0] = lio->u.logio.data[0];
 545         ea.data[1] = lio->u.logio.data[1];
 546         ea.iop[0] = lio->u.logio.iop[0];
 547         ea.iop[1] = lio->u.logio.iop[1];
 548         ea.fcport = sp->fcport;
 549         ea.sp = sp;
 550
 551         qla24xx_handle_adisc_event(vha, &ea);
 552
 553         sp->free(sp);
 554 }
 555
 556 int
 557 qla2x00_async_adisc(struct scsi_qla_host *vha, fc_port_t *fcport,
 558     uint16_t *data)
 559 {
 560         srb_t *sp;
 561         struct srb_iocb *lio;
 562         int rval = QLA_FUNCTION_FAILED;
 563
 564         if (!vha->flags.online || (fcport->flags & FCF_ASYNC_SENT))
 565                 return rval;
 566
 567         fcport->flags |= FCF_ASYNC_SENT;
 568         sp = qla2x00_get_sp(vha, fcport, GFP_KERNEL);
 569         if (!sp)
 570                 goto done;
 571
 572         sp->type = SRB_ADISC_CMD;
 573         sp->name = "adisc";
 574
 575         lio = &sp->u.iocb_cmd;
 576         lio->timeout = qla2x00_async_iocb_timeout;
 577         sp->gen1 = fcport->rscn_gen;
 578         sp->gen2 = fcport->login_gen;
 579         qla2x00_init_timer(sp, qla2x00_get_async_timeout(vha) + 2);
 580
 581         sp->done = qla2x00_async_adisc_sp_done;
 582         if (data[1] & QLA_LOGIO_LOGIN_RETRIED)
 583                 lio->u.logio.flags |= SRB_LOGIN_RETRIED;
 584
 585         ql_dbg(ql_dbg_disc, vha, 0x206f,
 586             "Async-adisc - hdl=%x loopid=%x portid=%06x %8phC.\n",
 587             sp->handle, fcport->loop_id, fcport->d_id.b24, fcport->port_name);
 588
 589         rval = qla2x00_start_sp(sp);
 590         if (rval != QLA_SUCCESS)
 591                 goto done_free_sp;
 592
 593         return rval;
 594
 595 done_free_sp:
 596         sp->free(sp);
 597 done:
 598         fcport->flags &= ~(FCF_ASYNC_SENT | FCF_ASYNC_ACTIVE);
 599         qla2x00_post_async_adisc_work(vha, fcport, data);
 600         return rval;
 601 }
 602
 603 static bool qla2x00_is_reserved_id(scsi_qla_host_t *vha, uint16_t loop_id)
 604 {
 605         struct qla_hw_data *ha = vha->hw;
 606
 607         if (IS_FWI2_CAPABLE(ha))
 608                 return loop_id > NPH_LAST_HANDLE;
 609
 610         return (loop_id > ha->max_loop_id && loop_id < SNS_FIRST_LOOP_ID) ||
 611                 loop_id == MANAGEMENT_SERVER || loop_id == BROADCAST;
 612 }
 613
 614 /**
 615  * qla2x00_find_new_loop_id - scan through our port list and find a new usable loop ID
 616  * @vha: adapter state pointer.
 617  * @dev: port structure pointer.
 618  *
 619  * Returns:
 620  *      qla2x00 local function return status code.
 621  *
 622  * Context:
 623  *      Kernel context.
 624  */
 625 static int qla2x00_find_new_loop_id(scsi_qla_host_t *vha, fc_port_t *dev)
 626 {
 627         int     rval;
 628         struct qla_hw_data *ha = vha->hw;
 629         unsigned long flags = 0;
 630
 631         rval = QLA_SUCCESS;
 632
 633         spin_lock_irqsave(&ha->vport_slock, flags);
 634
 635         dev->loop_id = find_first_zero_bit(ha->loop_id_map, LOOPID_MAP_SIZE);
 636         if (dev->loop_id >= LOOPID_MAP_SIZE ||
 637             qla2x00_is_reserved_id(vha, dev->loop_id)) {
 638                 dev->loop_id = FC_NO_LOOP_ID;
 639                 rval = QLA_FUNCTION_FAILED;
 640         } else {
 641                 set_bit(dev->loop_id, ha->loop_id_map);
 642         }
 643         spin_unlock_irqrestore(&ha->vport_slock, flags);
 644
 645         if (rval == QLA_SUCCESS)
 646                 ql_dbg(ql_dbg_disc, dev->vha, 0x2086,
 647                        "Assigning new loopid=%x, portid=%x.\n",
 648                        dev->loop_id, dev->d_id.b24);
 649         else
 650                 ql_log(ql_log_warn, dev->vha, 0x2087,
 651                        "No loop_id's available, portid=%x.\n",
 652                        dev->d_id.b24);
 653
 654         return rval;
 655 }
 656
 657 void qla2x00_clear_loop_id(fc_port_t *fcport)
 658 {
 659         struct qla_hw_data *ha = fcport->vha->hw;
 660
 661         if (fcport->loop_id == FC_NO_LOOP_ID ||
 662             qla2x00_is_reserved_id(fcport->vha, fcport->loop_id))
 663                 return;
 664
 665         clear_bit(fcport->loop_id, ha->loop_id_map);
 666         fcport->loop_id = FC_NO_LOOP_ID;
 667 }
 668
 669 static void qla24xx_handle_gnl_done_event(scsi_qla_host_t *vha,
 670         struct event_arg *ea)
 671 {
 672         fc_port_t *fcport, *conflict_fcport;
 673         struct get_name_list_extended *e;
 674         u16 i, n, found = 0, loop_id;
 675         port_id_t id;
 676         u64 wwn;
 677         u16 data[2];
 678         u8 current_login_state, nvme_cls;
 679
 680         fcport = ea->fcport;
 681         ql_dbg(ql_dbg_disc, vha, 0xffff,
 682             "%s %8phC DS %d LS rc %d %d login %d|%d rscn %d|%d lid %d\n",
 683             __func__, fcport->port_name, fcport->disc_state,
 684             fcport->fw_login_state, ea->rc,
 685             fcport->login_gen, fcport->last_login_gen,
 686             fcport->rscn_gen, fcport->last_rscn_gen, vha->loop_id);
 687
 688         if (fcport->disc_state == DSC_DELETE_PEND)
 689                 return;
 690
 691         if (ea->rc) { /* rval */
 692                 if (fcport->login_retry == 0) {
 693                         ql_dbg(ql_dbg_disc, vha, 0x20de,
 694                             "GNL failed Port login retry %8phN, retry cnt=%d.\n",
 695                             fcport->port_name, fcport->login_retry);
 696                 }
 697                 return;
 698         }
 699
 700         if (fcport->last_rscn_gen != fcport->rscn_gen) {
 701                 qla_rscn_replay(fcport);
 702                 qlt_schedule_sess_for_deletion(fcport);
 703                 return;
 704         } else if (fcport->last_login_gen != fcport->login_gen) {
 705                 ql_dbg(ql_dbg_disc, vha, 0x20e0,
 706                     "%s %8phC login gen changed\n",
 707                     __func__, fcport->port_name);
 708                 return;
 709         }
 710
 711         n = ea->data[0] / sizeof(struct get_name_list_extended);
 712
 713         ql_dbg(ql_dbg_disc, vha, 0x20e1,
 714             "%s %d %8phC n %d %02x%02x%02x lid %d \n",
 715             __func__, __LINE__, fcport->port_name, n,
 716             fcport->d_id.b.domain, fcport->d_id.b.area,
 717             fcport->d_id.b.al_pa, fcport->loop_id);
 718
 719         for (i = 0; i < n; i++) {
 720                 e = &vha->gnl.l[i];
 721                 wwn = wwn_to_u64(e->port_name);
 722                 id.b.domain = e->port_id[2];
 723                 id.b.area = e->port_id[1];
 724                 id.b.al_pa = e->port_id[0];
 725                 id.b.rsvd_1 = 0;
 726
 727                 if (memcmp((u8 *)&wwn, fcport->port_name, WWN_SIZE))
 728                         continue;
 729
 730                 if (IS_SW_RESV_ADDR(id))
 731                         continue;
 732
 733                 found = 1;
 734
 735                 loop_id = le16_to_cpu(e->nport_handle);
 736                 loop_id = (loop_id & 0x7fff);
 737                 nvme_cls = e->current_login_state >> 4;
 738                 current_login_state = e->current_login_state & 0xf;
 739
 740                 if (PRLI_PHASE(nvme_cls)) {
 741                         current_login_state = nvme_cls;
 742                         fcport->fc4_type &= ~FS_FC4TYPE_FCP;
 743                         fcport->fc4_type |= FS_FC4TYPE_NVME;
 744                 } else if (PRLI_PHASE(current_login_state)) {
 745                         fcport->fc4_type |= FS_FC4TYPE_FCP;
 746                         fcport->fc4_type &= ~FS_FC4TYPE_NVME;
 747                 }
 748
 749                 ql_dbg(ql_dbg_disc, vha, 0x20e2,
 750                     "%s found %8phC CLS [%x|%x] fc4_type %d ID[%06x|%06x] lid[%d|%d]\n",
 751                     __func__, fcport->port_name,
 752                     e->current_login_state, fcport->fw_login_state,
 753                     fcport->fc4_type, id.b24, fcport->d_id.b24,
 754                     loop_id, fcport->loop_id);
 755
 756                 switch (fcport->disc_state) {
 757                 case DSC_DELETE_PEND:
 758                 case DSC_DELETED:
 759                         break;
 760                 default:
 761                         if ((id.b24 != fcport->d_id.b24 &&
 762                             fcport->d_id.b24 &&
 763                             fcport->loop_id != FC_NO_LOOP_ID) ||
 764                             (fcport->loop_id != FC_NO_LOOP_ID &&
 765                                 fcport->loop_id != loop_id)) {
 766                                 ql_dbg(ql_dbg_disc, vha, 0x20e3,
 767                                     "%s %d %8phC post del sess\n",
 768                                     __func__, __LINE__, fcport->port_name);
 769                                 if (fcport->n2n_flag)
 770                                         fcport->d_id.b24 = 0;
 771                                 qlt_schedule_sess_for_deletion(fcport);
 772                                 return;
 773                         }
 774                         break;
 775                 }
 776
 777                 fcport->loop_id = loop_id;
 778                 if (fcport->n2n_flag)
 779                         fcport->d_id.b24 = id.b24;
 780
 781                 wwn = wwn_to_u64(fcport->port_name);
 782                 qlt_find_sess_invalidate_other(vha, wwn,
 783                         id, loop_id, &conflict_fcport);
 784
 785                 if (conflict_fcport) {
 786                         /*
 787                          * Another share fcport share the same loop_id &
 788                          * nport id. Conflict fcport needs to finish
 789                          * cleanup before this fcport can proceed to login.
 790                          */
 791                         conflict_fcport->conflict = fcport;
 792                         fcport->login_pause = 1;
 793                 }
 794
 795                 switch (vha->hw->current_topology) {
 796                 default:
 797                         switch (current_login_state) {
 798                         case DSC_LS_PRLI_COMP:
 799                                 ql_dbg(ql_dbg_disc + ql_dbg_verbose,
 800                                     vha, 0x20e4, "%s %d %8phC post gpdb\n",
 801                                     __func__, __LINE__, fcport->port_name);
 802
 803                                 if ((e->prli_svc_param_word_3[0] & BIT_4) == 0)
 804                                         fcport->port_type = FCT_INITIATOR;
 805                                 else
 806                                         fcport->port_type = FCT_TARGET;
 807                                 data[0] = data[1] = 0;
 808                                 qla2x00_post_async_adisc_work(vha, fcport,
 809                                     data);
 810                                 break;
 811                         case DSC_LS_PORT_UNAVAIL:
 812                         default:
 813                                 if (fcport->loop_id == FC_NO_LOOP_ID) {
 814                                         qla2x00_find_new_loop_id(vha, fcport);
 815                                         fcport->fw_login_state =
 816                                             DSC_LS_PORT_UNAVAIL;
 817                                 }
 818                                 ql_dbg(ql_dbg_disc, vha, 0x20e5,
 819                                     "%s %d %8phC\n", __func__, __LINE__,
 820                                     fcport->port_name);
 821                                 qla24xx_fcport_handle_login(vha, fcport);
 822                                 break;
 823                         }
 824                         break;
 825                 case ISP_CFG_N:
 826                         fcport->fw_login_state = current_login_state;
 827                         fcport->d_id = id;
 828                         switch (current_login_state) {
 829                         case DSC_LS_PRLI_PEND:
 830                                 /*
 831                                  * In the middle of PRLI. Let it finish.
 832                                  * Allow relogin code to recheck state again
 833                                  * with GNL. Push disc_state back to DELETED
 834                                  * so GNL can go out again
 835                                  */
 836                                 qla2x00_set_fcport_disc_state(fcport,
 837                                     DSC_DELETED);
 838                                 break;
 839                         case DSC_LS_PRLI_COMP:
 840                                 if ((e->prli_svc_param_word_3[0] & BIT_4) == 0)
 841                                         fcport->port_type = FCT_INITIATOR;
 842                                 else
 843                                         fcport->port_type = FCT_TARGET;
 844
 845                                 data[0] = data[1] = 0;
 846                                 qla2x00_post_async_adisc_work(vha, fcport,
 847                                     data);
 848                                 break;
 849                         case DSC_LS_PLOGI_COMP:
 850                                 if (fcport_is_bigger(fcport)) {
 851                                         /* local adapter is smaller */
 852                                         if (fcport->loop_id != FC_NO_LOOP_ID)
 853                                                 qla2x00_clear_loop_id(fcport);
 854
 855                                         fcport->loop_id = loop_id;
 856                                         qla24xx_fcport_handle_login(vha,
 857                                             fcport);
 858                                         break;
 859                                 }
 860                                 fallthrough;
 861                         default:
 862                                 if (fcport_is_smaller(fcport)) {
 863                                         /* local adapter is bigger */
 864                                         if (fcport->loop_id != FC_NO_LOOP_ID)
 865                                                 qla2x00_clear_loop_id(fcport);
 866
 867                                         fcport->loop_id = loop_id;
 868                                         qla24xx_fcport_handle_login(vha,
 869                                             fcport);
 870                                 }
 871                                 break;
 872                         }
 873                         break;
 874                 } /* switch (ha->current_topology) */
 875         }
 876
 877         if (!found) {
 878                 switch (vha->hw->current_topology) {
 879                 case ISP_CFG_F:
 880                 case ISP_CFG_FL:
 881                         for (i = 0; i < n; i++) {
 882                                 e = &vha->gnl.l[i];
 883                                 id.b.domain = e->port_id[0];
 884                                 id.b.area = e->port_id[1];
 885                                 id.b.al_pa = e->port_id[2];
 886                                 id.b.rsvd_1 = 0;
 887                                 loop_id = le16_to_cpu(e->nport_handle);
 888
 889                                 if (fcport->d_id.b24 == id.b24) {
 890                                         conflict_fcport =
 891                                             qla2x00_find_fcport_by_wwpn(vha,
 892                                                 e->port_name, 0);
 893                                         if (conflict_fcport) {
 894                                                 ql_dbg(ql_dbg_disc + ql_dbg_verbose,
 895                                                     vha, 0x20e5,
 896                                                     "%s %d %8phC post del sess\n",
 897                                                     __func__, __LINE__,
 898                                                     conflict_fcport->port_name);
 899                                                 qlt_schedule_sess_for_deletion
 900                                                         (conflict_fcport);
 901                                         }
 902                                 }
 903                                 /*
 904                                  * FW already picked this loop id for
 905                                  * another fcport
 906                                  */
 907                                 if (fcport->loop_id == loop_id)
 908                                         fcport->loop_id = FC_NO_LOOP_ID;
 909                         }
 910                         qla24xx_fcport_handle_login(vha, fcport);
 911                         break;
 912                 case ISP_CFG_N:
 913                         qla2x00_set_fcport_disc_state(fcport, DSC_DELETED);
 914                         if (time_after_eq(jiffies, fcport->dm_login_expire)) {
 915                                 if (fcport->n2n_link_reset_cnt < 2) {
 916                                         fcport->n2n_link_reset_cnt++;
 917                                         /*
 918                                          * remote port is not sending PLOGI.
 919                                          * Reset link to kick start his state
 920                                          * machine
 921                                          */
 922                                         set_bit(N2N_LINK_RESET,
 923                                             &vha->dpc_flags);
 924                                 } else {
 925                                         if (fcport->n2n_chip_reset < 1) {
 926                                                 ql_log(ql_log_info, vha, 0x705d,
 927                                                     "Chip reset to bring laser down");
 928                                                 set_bit(ISP_ABORT_NEEDED,
 929                                                     &vha->dpc_flags);
 930                                                 fcport->n2n_chip_reset++;
 931                                         } else {
 932                                                 ql_log(ql_log_info, vha, 0x705d,
 933                                                     "Remote port %8ph is not coming back\n",
 934                                                     fcport->port_name);
 935                                                 fcport->scan_state = 0;
 936                                         }
 937                                 }
 938                                 qla2xxx_wake_dpc(vha);
 939                         } else {
 940                                 /*
 941                                  * report port suppose to do PLOGI. Give him
 942                                  * more time. FW will catch it.
 943                                  */
 944                                 set_bit(RELOGIN_NEEDED, &vha->dpc_flags);
 945                         }
 946                         break;
 947                 default:
 948                         break;
 949                 }
 950         }
 951 } /* gnl_event */
 952
 953 static void qla24xx_async_gnl_sp_done(srb_t *sp, int res)
 954 {
 955         struct scsi_qla_host *vha = sp->vha;
 956         unsigned long flags;
 957         struct fc_port *fcport = NULL, *tf;
 958         u16 i, n = 0, loop_id;
 959         struct event_arg ea;
 960         struct get_name_list_extended *e;
 961         u64 wwn;
 962         struct list_head h;
 963         bool found = false;
 964
 965         ql_dbg(ql_dbg_disc, vha, 0x20e7,
 966             "Async done-%s res %x mb[1]=%x mb[2]=%x \n",
 967             sp->name, res, sp->u.iocb_cmd.u.mbx.in_mb[1],
 968             sp->u.iocb_cmd.u.mbx.in_mb[2]);
 969
 970         if (res == QLA_FUNCTION_TIMEOUT)
 971                 return;
 972
 973         sp->fcport->flags &= ~(FCF_ASYNC_SENT|FCF_ASYNC_ACTIVE);
 974         memset(&ea, 0, sizeof(ea));
 975         ea.sp = sp;
 976         ea.rc = res;
 977
 978         if (sp->u.iocb_cmd.u.mbx.in_mb[1] >=
 979             sizeof(struct get_name_list_extended)) {
 980                 n = sp->u.iocb_cmd.u.mbx.in_mb[1] /
 981                     sizeof(struct get_name_list_extended);
 982                 ea.data[0] = sp->u.iocb_cmd.u.mbx.in_mb[1]; /* amnt xfered */
 983         }
 984
 985         for (i = 0; i < n; i++) {
 986                 e = &vha->gnl.l[i];
 987                 loop_id = le16_to_cpu(e->nport_handle);
 988                 /* mask out reserve bit */
 989                 loop_id = (loop_id & 0x7fff);
 990                 set_bit(loop_id, vha->hw->loop_id_map);
 991                 wwn = wwn_to_u64(e->port_name);
 992
 993                 ql_dbg(ql_dbg_disc, vha, 0x20e8,
 994                     "%s %8phC %02x:%02x:%02x CLS %x/%x lid %x \n",
 995                     __func__, &wwn, e->port_id[2], e->port_id[1],
 996                     e->port_id[0], e->current_login_state, e->last_login_state,
 997                     (loop_id & 0x7fff));
 998         }
 999
1000         spin_lock_irqsave(&vha->hw->tgt.sess_lock, flags);
1001
1002         INIT_LIST_HEAD(&h);
1003         fcport = tf = NULL;
1004         if (!list_empty(&vha->gnl.fcports))
1005                 list_splice_init(&vha->gnl.fcports, &h);
1006         spin_unlock_irqrestore(&vha->hw->tgt.sess_lock, flags);
1007
1008         list_for_each_entry_safe(fcport, tf, &h, gnl_entry) {
1009                 list_del_init(&fcport->gnl_entry);
1010                 spin_lock_irqsave(&vha->hw->tgt.sess_lock, flags);
1011                 fcport->flags &= ~(FCF_ASYNC_SENT | FCF_ASYNC_ACTIVE);
1012                 spin_unlock_irqrestore(&vha->hw->tgt.sess_lock, flags);
1013                 ea.fcport = fcport;
1014
1015                 qla24xx_handle_gnl_done_event(vha, &ea);
1016         }
1017
1018         /* create new fcport if fw has knowledge of new sessions */
1019         for (i = 0; i < n; i++) {
1020                 port_id_t id;
1021                 u64 wwnn;
1022
1023                 e = &vha->gnl.l[i];
1024                 wwn = wwn_to_u64(e->port_name);
1025
1026                 found = false;
1027                 list_for_each_entry_safe(fcport, tf, &vha->vp_fcports, list) {
1028                         if (!memcmp((u8 *)&wwn, fcport->port_name,
1029                             WWN_SIZE)) {
1030                                 found = true;
1031                                 break;
1032                         }
1033                 }
1034
1035                 id.b.domain = e->port_id[2];
1036                 id.b.area = e->port_id[1];
1037                 id.b.al_pa = e->port_id[0];
1038                 id.b.rsvd_1 = 0;
1039
1040                 if (!found && wwn && !IS_SW_RESV_ADDR(id)) {
1041                         ql_dbg(ql_dbg_disc, vha, 0x2065,
1042                             "%s %d %8phC %06x post new sess\n",
1043                             __func__, __LINE__, (u8 *)&wwn, id.b24);
1044                         wwnn = wwn_to_u64(e->node_name);
1045                         qla24xx_post_newsess_work(vha, &id, (u8 *)&wwn,
1046                             (u8 *)&wwnn, NULL, 0);
1047                 }
1048         }
1049
1050         spin_lock_irqsave(&vha->hw->tgt.sess_lock, flags);
1051         vha->gnl.sent = 0;
1052         if (!list_empty(&vha->gnl.fcports)) {
1053                 /* retrigger gnl */
1054                 list_for_each_entry_safe(fcport, tf, &vha->gnl.fcports,
1055                     gnl_entry) {
1056                         list_del_init(&fcport->gnl_entry);
1057                         fcport->flags &= ~(FCF_ASYNC_SENT | FCF_ASYNC_ACTIVE);
1058                         if (qla24xx_post_gnl_work(vha, fcport) == QLA_SUCCESS)
1059                                 break;
1060                 }
1061         }
1062         spin_unlock_irqrestore(&vha->hw->tgt.sess_lock, flags);
1063
1064         sp->free(sp);
1065 }
1066
1067 int qla24xx_async_gnl(struct scsi_qla_host *vha, fc_port_t *fcport)
1068 {
1069         srb_t *sp;
1070         struct srb_iocb *mbx;
1071         int rval = QLA_FUNCTION_FAILED;
1072         unsigned long flags;
1073         u16 *mb;
1074
1075         if (!vha->flags.online || (fcport->flags & FCF_ASYNC_SENT))
1076                 return rval;
1077
1078         ql_dbg(ql_dbg_disc, vha, 0x20d9,
1079             "Async-gnlist WWPN %8phC \n", fcport->port_name);
1080
1081         spin_lock_irqsave(&vha->hw->tgt.sess_lock, flags);
1082         fcport->flags |= FCF_ASYNC_SENT;
1083         qla2x00_set_fcport_disc_state(fcport, DSC_GNL);
1084         fcport->last_rscn_gen = fcport->rscn_gen;
1085         fcport->last_login_gen = fcport->login_gen;
1086
1087         list_add_tail(&fcport->gnl_entry, &vha->gnl.fcports);
1088         if (vha->gnl.sent) {
1089                 spin_unlock_irqrestore(&vha->hw->tgt.sess_lock, flags);
1090                 return QLA_SUCCESS;
1091         }
1092         vha->gnl.sent = 1;
1093         spin_unlock_irqrestore(&vha->hw->tgt.sess_lock, flags);
1094
1095         sp = qla2x00_get_sp(vha, fcport, GFP_KERNEL);
1096         if (!sp)
1097                 goto done;
1098
1099         sp->type = SRB_MB_IOCB;
1100         sp->name = "gnlist";
1101         sp->gen1 = fcport->rscn_gen;
1102         sp->gen2 = fcport->login_gen;
1103
1104         mbx = &sp->u.iocb_cmd;
1105         mbx->timeout = qla2x00_async_iocb_timeout;
1106         qla2x00_init_timer(sp, qla2x00_get_async_timeout(vha)+2);
1107
1108         mb = sp->u.iocb_cmd.u.mbx.out_mb;
1109         mb[0] = MBC_PORT_NODE_NAME_LIST;
1110         mb[1] = BIT_2 | BIT_3;
1111         mb[2] = MSW(vha->gnl.ldma);
1112         mb[3] = LSW(vha->gnl.ldma);
1113         mb[6] = MSW(MSD(vha->gnl.ldma));
1114         mb[7] = LSW(MSD(vha->gnl.ldma));
1115         mb[8] = vha->gnl.size;
1116         mb[9] = vha->vp_idx;
1117
1118         sp->done = qla24xx_async_gnl_sp_done;
1119
1120         ql_dbg(ql_dbg_disc, vha, 0x20da,
1121             "Async-%s - OUT WWPN %8phC hndl %x\n",
1122             sp->name, fcport->port_name, sp->handle);
1123
1124         rval = qla2x00_start_sp(sp);
1125         if (rval != QLA_SUCCESS)
1126                 goto done_free_sp;
1127
1128         return rval;
1129
1130 done_free_sp:
1131         sp->free(sp);
1132 done:
1133         fcport->flags &= ~(FCF_ASYNC_ACTIVE | FCF_ASYNC_SENT);
1134         return rval;
1135 }
1136
1137 int qla24xx_post_gnl_work(struct scsi_qla_host *vha, fc_port_t *fcport)
1138 {
1139         struct qla_work_evt *e;
1140
1141         e = qla2x00_alloc_work(vha, QLA_EVT_GNL);
1142         if (!e)
1143                 return QLA_FUNCTION_FAILED;
1144
1145         e->u.fcport.fcport = fcport;
1146         fcport->flags |= FCF_ASYNC_ACTIVE;
1147         return qla2x00_post_work(vha, e);
1148 }
1149
1150 static void qla24xx_async_gpdb_sp_done(srb_t *sp, int res)
1151 {
1152         struct scsi_qla_host *vha = sp->vha;
1153         struct qla_hw_data *ha = vha->hw;
1154         fc_port_t *fcport = sp->fcport;
1155         u16 *mb = sp->u.iocb_cmd.u.mbx.in_mb;
1156         struct event_arg ea;
1157
1158         ql_dbg(ql_dbg_disc, vha, 0x20db,
1159             "Async done-%s res %x, WWPN %8phC mb[1]=%x mb[2]=%x \n",
1160             sp->name, res, fcport->port_name, mb[1], mb[2]);
1161
1162         fcport->flags &= ~(FCF_ASYNC_SENT | FCF_ASYNC_ACTIVE);
1163
1164         if (res == QLA_FUNCTION_TIMEOUT)
1165                 goto done;
1166
1167         memset(&ea, 0, sizeof(ea));
1168         ea.fcport = fcport;
1169         ea.sp = sp;
1170
1171         qla24xx_handle_gpdb_event(vha, &ea);
1172
1173 done:
1174         dma_pool_free(ha->s_dma_pool, sp->u.iocb_cmd.u.mbx.in,
1175                 sp->u.iocb_cmd.u.mbx.in_dma);
1176
1177         sp->free(sp);
1178 }
1179
1180 static int qla24xx_post_prli_work(struct scsi_qla_host *vha, fc_port_t *fcport)
1181 {
1182         struct qla_work_evt *e;
1183
1184         e = qla2x00_alloc_work(vha, QLA_EVT_PRLI);
1185         if (!e)
1186                 return QLA_FUNCTION_FAILED;
1187
1188         e->u.fcport.fcport = fcport;
1189
1190         return qla2x00_post_work(vha, e);
1191 }
1192
1193 static void qla2x00_async_prli_sp_done(srb_t *sp, int res)
1194 {
1195         struct scsi_qla_host *vha = sp->vha;
1196         struct srb_iocb *lio = &sp->u.iocb_cmd;
1197         struct event_arg ea;
1198
1199         ql_dbg(ql_dbg_disc, vha, 0x2129,
1200             "%s %8phC res %d \n", __func__,
1201             sp->fcport->port_name, res);
1202
1203         sp->fcport->flags &= ~FCF_ASYNC_SENT;
1204
1205         if (!test_bit(UNLOADING, &vha->dpc_flags)) {
1206                 memset(&ea, 0, sizeof(ea));
1207                 ea.fcport = sp->fcport;
1208                 ea.data[0] = lio->u.logio.data[0];
1209                 ea.data[1] = lio->u.logio.data[1];
1210                 ea.iop[0] = lio->u.logio.iop[0];
1211                 ea.iop[1] = lio->u.logio.iop[1];
1212                 ea.sp = sp;
1213
1214                 qla24xx_handle_prli_done_event(vha, &ea);
1215         }
1216
1217         sp->free(sp);
1218 }
1219
1220 int
1221 qla24xx_async_prli(struct scsi_qla_host *vha, fc_port_t *fcport)
1222 {
1223         srb_t *sp;
1224         struct srb_iocb *lio;
1225         int rval = QLA_FUNCTION_FAILED;
1226
1227         if (!vha->flags.online) {
1228                 ql_dbg(ql_dbg_disc, vha, 0xffff, "%s %d %8phC exit\n",
1229                     __func__, __LINE__, fcport->port_name);
1230                 return rval;
1231         }
1232
1233         if ((fcport->fw_login_state == DSC_LS_PLOGI_PEND ||
1234             fcport->fw_login_state == DSC_LS_PRLI_PEND) &&
1235             qla_dual_mode_enabled(vha)) {
1236                 ql_dbg(ql_dbg_disc, vha, 0xffff, "%s %d %8phC exit\n",
1237                     __func__, __LINE__, fcport->port_name);
1238                 return rval;
1239         }
1240
1241         sp = qla2x00_get_sp(vha, fcport, GFP_KERNEL);
1242         if (!sp)
1243                 return rval;
1244
1245         fcport->flags |= FCF_ASYNC_SENT;
1246         fcport->logout_completed = 0;
1247
1248         sp->type = SRB_PRLI_CMD;
1249         sp->name = "prli";
1250
1251         lio = &sp->u.iocb_cmd;
1252         lio->timeout = qla2x00_async_iocb_timeout;
1253         qla2x00_init_timer(sp, qla2x00_get_async_timeout(vha) + 2);
1254
1255         sp->done = qla2x00_async_prli_sp_done;
1256         lio->u.logio.flags = 0;
1257
1258         if (NVME_TARGET(vha->hw, fcport))
1259                 lio->u.logio.flags |= SRB_LOGIN_NVME_PRLI;
1260
1261         ql_dbg(ql_dbg_disc, vha, 0x211b,
1262             "Async-prli - %8phC hdl=%x, loopid=%x portid=%06x retries=%d %s.\n",
1263             fcport->port_name, sp->handle, fcport->loop_id, fcport->d_id.b24,
1264             fcport->login_retry, NVME_TARGET(vha->hw, fcport) ? "nvme" : "fc");
1265
1266         rval = qla2x00_start_sp(sp);
1267         if (rval != QLA_SUCCESS) {
1268                 fcport->flags |= FCF_LOGIN_NEEDED;
1269                 set_bit(RELOGIN_NEEDED, &vha->dpc_flags);
1270                 goto done_free_sp;
1271         }
1272
1273         return rval;
1274
1275 done_free_sp:
1276         sp->free(sp);
1277         fcport->flags &= ~FCF_ASYNC_SENT;
1278         return rval;
1279 }
1280
1281 int qla24xx_post_gpdb_work(struct scsi_qla_host *vha, fc_port_t *fcport, u8 opt)
1282 {
1283         struct qla_work_evt *e;
1284
1285         e = qla2x00_alloc_work(vha, QLA_EVT_GPDB);
1286         if (!e)
1287                 return QLA_FUNCTION_FAILED;
1288
1289         e->u.fcport.fcport = fcport;
1290         e->u.fcport.opt = opt;
1291         fcport->flags |= FCF_ASYNC_ACTIVE;
1292         return qla2x00_post_work(vha, e);
1293 }
1294
1295 int qla24xx_async_gpdb(struct scsi_qla_host *vha, fc_port_t *fcport, u8 opt)
1296 {
1297         srb_t *sp;
1298         struct srb_iocb *mbx;
1299         int rval = QLA_FUNCTION_FAILED;
1300         u16 *mb;
1301         dma_addr_t pd_dma;
1302         struct port_database_24xx *pd;
1303         struct qla_hw_data *ha = vha->hw;
1304
1305         if (!vha->flags.online || (fcport->flags & FCF_ASYNC_SENT) ||
1306             fcport->loop_id == FC_NO_LOOP_ID) {
1307                 ql_log(ql_log_warn, vha, 0xffff,
1308                     "%s: %8phC - not sending command.\n",
1309                     __func__, fcport->port_name);
1310                 return rval;
1311         }
1312
1313         sp = qla2x00_get_sp(vha, fcport, GFP_KERNEL);
1314         if (!sp)
1315                 goto done;
1316
1317         qla2x00_set_fcport_disc_state(fcport, DSC_GPDB);
1318
1319         fcport->flags |= FCF_ASYNC_SENT;
1320         sp->type = SRB_MB_IOCB;
1321         sp->name = "gpdb";
1322         sp->gen1 = fcport->rscn_gen;
1323         sp->gen2 = fcport->login_gen;
1324
1325         mbx = &sp->u.iocb_cmd;
1326         mbx->timeout = qla2x00_async_iocb_timeout;
1327         qla2x00_init_timer(sp, qla2x00_get_async_timeout(vha) + 2);
1328
1329         pd = dma_pool_zalloc(ha->s_dma_pool, GFP_KERNEL, &pd_dma);
1330         if (pd == NULL) {
1331                 ql_log(ql_log_warn, vha, 0xd043,
1332                     "Failed to allocate port database structure.\n");
1333                 goto done_free_sp;
1334         }
1335
1336         mb = sp->u.iocb_cmd.u.mbx.out_mb;
1337         mb[0] = MBC_GET_PORT_DATABASE;
1338         mb[1] = fcport->loop_id;
1339         mb[2] = MSW(pd_dma);
1340         mb[3] = LSW(pd_dma);
1341         mb[6] = MSW(MSD(pd_dma));
1342         mb[7] = LSW(MSD(pd_dma));
1343         mb[9] = vha->vp_idx;
1344         mb[10] = opt;
1345
1346         mbx->u.mbx.in = pd;
1347         mbx->u.mbx.in_dma = pd_dma;
1348
1349         sp->done = qla24xx_async_gpdb_sp_done;
1350
1351         ql_dbg(ql_dbg_disc, vha, 0x20dc,
1352             "Async-%s %8phC hndl %x opt %x\n",
1353             sp->name, fcport->port_name, sp->handle, opt);
1354
1355         rval = qla2x00_start_sp(sp);
1356         if (rval != QLA_SUCCESS)
1357                 goto done_free_sp;
1358         return rval;
1359
1360 done_free_sp:
1361         if (pd)
1362                 dma_pool_free(ha->s_dma_pool, pd, pd_dma);
1363
1364         sp->free(sp);
1365         fcport->flags &= ~FCF_ASYNC_SENT;
1366 done:
1367         fcport->flags &= ~FCF_ASYNC_ACTIVE;
1368         qla24xx_post_gpdb_work(vha, fcport, opt);
1369         return rval;
1370 }
1371
1372 static
1373 void __qla24xx_handle_gpdb_event(scsi_qla_host_t *vha, struct event_arg *ea)
1374 {
1375         unsigned long flags;
1376
1377         spin_lock_irqsave(&vha->hw->tgt.sess_lock, flags);
1378         ea->fcport->login_gen++;
1379         ea->fcport->deleted = 0;
1380         ea->fcport->logout_on_delete = 1;
1381
1382         if (!ea->fcport->login_succ && !IS_SW_RESV_ADDR(ea->fcport->d_id)) {
1383                 vha->fcport_count++;
1384                 ea->fcport->login_succ = 1;
1385
1386                 spin_unlock_irqrestore(&vha->hw->tgt.sess_lock, flags);
1387                 qla24xx_sched_upd_fcport(ea->fcport);
1388                 spin_lock_irqsave(&vha->hw->tgt.sess_lock, flags);
1389         } else if (ea->fcport->login_succ) {
1390                 /*
1391                  * We have an existing session. A late RSCN delivery
1392                  * must have triggered the session to be re-validate.
1393                  * Session is still valid.
1394                  */
1395                 ql_dbg(ql_dbg_disc, vha, 0x20d6,
1396                     "%s %d %8phC session revalidate success\n",
1397                     __func__, __LINE__, ea->fcport->port_name);
1398                 qla2x00_set_fcport_disc_state(ea->fcport, DSC_LOGIN_COMPLETE);
1399         }
1400         spin_unlock_irqrestore(&vha->hw->tgt.sess_lock, flags);
1401 }
1402
1403 static
1404 void qla24xx_handle_gpdb_event(scsi_qla_host_t *vha, struct event_arg *ea)
1405 {
1406         fc_port_t *fcport = ea->fcport;
1407         struct port_database_24xx *pd;
1408         struct srb *sp = ea->sp;
1409         uint8_t ls;
1410
1411         pd = (struct port_database_24xx *)sp->u.iocb_cmd.u.mbx.in;
1412
1413         fcport->flags &= ~FCF_ASYNC_SENT;
1414
1415         ql_dbg(ql_dbg_disc, vha, 0x20d2,
1416             "%s %8phC DS %d LS %d fc4_type %x rc %d\n", __func__,
1417             fcport->port_name, fcport->disc_state, pd->current_login_state,
1418             fcport->fc4_type, ea->rc);
1419
1420         if (fcport->disc_state == DSC_DELETE_PEND)
1421                 return;
1422
1423         if (NVME_TARGET(vha->hw, fcport))
1424                 ls = pd->current_login_state >> 4;
1425         else
1426                 ls = pd->current_login_state & 0xf;
1427
1428         if (ea->sp->gen2 != fcport->login_gen) {
1429                 /* target side must have changed it. */
1430
1431                 ql_dbg(ql_dbg_disc, vha, 0x20d3,
1432                     "%s %8phC generation changed\n",
1433                     __func__, fcport->port_name);
1434                 return;
1435         } else if (ea->sp->gen1 != fcport->rscn_gen) {
1436                 qla_rscn_replay(fcport);
1437                 qlt_schedule_sess_for_deletion(fcport);
1438                 return;
1439         }
1440
1441         switch (ls) {
1442         case PDS_PRLI_COMPLETE:
1443                 __qla24xx_parse_gpdb(vha, fcport, pd);
1444                 break;
1445         case PDS_PLOGI_PENDING:
1446         case PDS_PLOGI_COMPLETE:
1447         case PDS_PRLI_PENDING:
1448         case PDS_PRLI2_PENDING:
1449                 /* Set discovery state back to GNL to Relogin attempt */
1450                 if (qla_dual_mode_enabled(vha) ||
1451                     qla_ini_mode_enabled(vha)) {
1452                         qla2x00_set_fcport_disc_state(fcport, DSC_GNL);
1453                         set_bit(RELOGIN_NEEDED, &vha->dpc_flags);
1454                 }
1455                 return;
1456         case PDS_LOGO_PENDING:
1457         case PDS_PORT_UNAVAILABLE:
1458         default:
1459                 ql_dbg(ql_dbg_disc, vha, 0x20d5, "%s %d %8phC post del sess\n",
1460                     __func__, __LINE__, fcport->port_name);
1461                 qlt_schedule_sess_for_deletion(fcport);
1462                 return;
1463         }
1464         __qla24xx_handle_gpdb_event(vha, ea);
1465 } /* gpdb event */
1466
1467 static void qla_chk_n2n_b4_login(struct scsi_qla_host *vha, fc_port_t *fcport)
1468 {
1469         u8 login = 0;
1470         int rc;
1471
1472         if (qla_tgt_mode_enabled(vha))
1473                 return;
1474
1475         if (qla_dual_mode_enabled(vha)) {
1476                 if (N2N_TOPO(vha->hw)) {
1477                         u64 mywwn, wwn;
1478
1479                         mywwn = wwn_to_u64(vha->port_name);
1480                         wwn = wwn_to_u64(fcport->port_name);
1481                         if (mywwn > wwn)
1482                                 login = 1;
1483                         else if ((fcport->fw_login_state == DSC_LS_PLOGI_COMP)
1484                             && time_after_eq(jiffies,
1485                                     fcport->plogi_nack_done_deadline))
1486                                 login = 1;
1487                 } else {
1488                         login = 1;
1489                 }
1490         } else {
1491                 /* initiator mode */
1492                 login = 1;
1493         }
1494
1495         if (login && fcport->login_retry) {
1496                 fcport->login_retry--;
1497                 if (fcport->loop_id == FC_NO_LOOP_ID) {
1498                         fcport->fw_login_state = DSC_LS_PORT_UNAVAIL;
1499                         rc = qla2x00_find_new_loop_id(vha, fcport);
1500                         if (rc) {
1501                                 ql_dbg(ql_dbg_disc, vha, 0x20e6,
1502                                     "%s %d %8phC post del sess - out of loopid\n",
1503                                     __func__, __LINE__, fcport->port_name);
1504                                 fcport->scan_state = 0;
1505                                 qlt_schedule_sess_for_deletion(fcport);
1506                                 return;
1507                         }
1508                 }
1509                 ql_dbg(ql_dbg_disc, vha, 0x20bf,
1510                     "%s %d %8phC post login\n",
1511                     __func__, __LINE__, fcport->port_name);
1512                 qla2x00_post_async_login_work(vha, fcport, NULL);
1513         }
1514 }
1515
1516 int qla24xx_fcport_handle_login(struct scsi_qla_host *vha, fc_port_t *fcport)
1517 {
1518         u16 data[2];
1519         u64 wwn;
1520         u16 sec;
1521
1522         ql_dbg(ql_dbg_disc, vha, 0x20d8,
1523             "%s %8phC DS %d LS %d P %d fl %x confl %p rscn %d|%d login %d lid %d scan %d\n",
1524             __func__, fcport->port_name, fcport->disc_state,
1525             fcport->fw_login_state, fcport->login_pause, fcport->flags,
1526             fcport->conflict, fcport->last_rscn_gen, fcport->rscn_gen,
1527             fcport->login_gen, fcport->loop_id, fcport->scan_state);
1528
1529         if (fcport->scan_state != QLA_FCPORT_FOUND)
1530                 return 0;
1531
1532         if ((fcport->loop_id != FC_NO_LOOP_ID) &&
1533             qla_dual_mode_enabled(vha) &&
1534             ((fcport->fw_login_state == DSC_LS_PLOGI_PEND) ||
1535              (fcport->fw_login_state == DSC_LS_PRLI_PEND)))
1536                 return 0;
1537
1538         if (fcport->fw_login_state == DSC_LS_PLOGI_COMP &&
1539             !N2N_TOPO(vha->hw)) {
1540                 if (time_before_eq(jiffies, fcport->plogi_nack_done_deadline)) {
1541                         set_bit(RELOGIN_NEEDED, &vha->dpc_flags);
1542                         return 0;
1543                 }
1544         }
1545
1546         /* Target won't initiate port login if fabric is present */
1547         if (vha->host->active_mode == MODE_TARGET && !N2N_TOPO(vha->hw))
1548                 return 0;
1549
1550         if (fcport->flags & FCF_ASYNC_SENT) {
1551                 set_bit(RELOGIN_NEEDED, &vha->dpc_flags);
1552                 return 0;
1553         }
1554
1555         switch (fcport->disc_state) {
1556         case DSC_DELETED:
1557                 wwn = wwn_to_u64(fcport->node_name);
1558                 switch (vha->hw->current_topology) {
1559                 case ISP_CFG_N:
1560                         if (fcport_is_smaller(fcport)) {
1561                                 /* this adapter is bigger */
1562                                 if (fcport->login_retry) {
1563                                         if (fcport->loop_id == FC_NO_LOOP_ID) {
1564                                                 qla2x00_find_new_loop_id(vha,
1565                                                     fcport);
1566                                                 fcport->fw_login_state =
1567                                                     DSC_LS_PORT_UNAVAIL;
1568                                         }
1569                                         fcport->login_retry--;
1570                                         qla_post_els_plogi_work(vha, fcport);
1571                                 } else {
1572                                         ql_log(ql_log_info, vha, 0x705d,
1573                                             "Unable to reach remote port %8phC",
1574                                             fcport->port_name);
1575                                 }
1576                         } else {
1577                                 qla24xx_post_gnl_work(vha, fcport);
1578                         }
1579                         break;
1580                 default:
1581                         if (wwn == 0)    {
1582                                 ql_dbg(ql_dbg_disc, vha, 0xffff,
1583                                     "%s %d %8phC post GNNID\n",
1584                                     __func__, __LINE__, fcport->port_name);
1585                                 qla24xx_post_gnnid_work(vha, fcport);
1586                         } else if (fcport->loop_id == FC_NO_LOOP_ID) {
1587                                 ql_dbg(ql_dbg_disc, vha, 0x20bd,
1588                                     "%s %d %8phC post gnl\n",
1589                                     __func__, __LINE__, fcport->port_name);
1590                                 qla24xx_post_gnl_work(vha, fcport);
1591                         } else {
1592                                 qla_chk_n2n_b4_login(vha, fcport);
1593                         }
1594                         break;
1595                 }
1596                 break;
1597
1598         case DSC_GNL:
1599                 switch (vha->hw->current_topology) {
1600                 case ISP_CFG_N:
1601                         if ((fcport->current_login_state & 0xf) == 0x6) {
1602                                 ql_dbg(ql_dbg_disc, vha, 0x2118,
1603                                     "%s %d %8phC post GPDB work\n",
1604                                     __func__, __LINE__, fcport->port_name);
1605                                 fcport->chip_reset =
1606                                         vha->hw->base_qpair->chip_reset;
1607                                 qla24xx_post_gpdb_work(vha, fcport, 0);
1608                         }  else {
1609                                 ql_dbg(ql_dbg_disc, vha, 0x2118,
1610                                     "%s %d %8phC post %s PRLI\n",
1611                                     __func__, __LINE__, fcport->port_name,
1612                                     NVME_TARGET(vha->hw, fcport) ? "NVME" :
1613                                     "FC");
1614                                 qla24xx_post_prli_work(vha, fcport);
1615                         }
1616                         break;
1617                 default:
1618                         if (fcport->login_pause) {
1619                                 ql_dbg(ql_dbg_disc, vha, 0x20d8,
1620                                     "%s %d %8phC exit\n",
1621                                     __func__, __LINE__,
1622                                     fcport->port_name);
1623                                 fcport->last_rscn_gen = fcport->rscn_gen;
1624                                 fcport->last_login_gen = fcport->login_gen;
1625                                 set_bit(RELOGIN_NEEDED, &vha->dpc_flags);
1626                                 break;
1627                         }
1628                         qla_chk_n2n_b4_login(vha, fcport);
1629                         break;
1630                 }
1631                 break;
1632
1633         case DSC_LOGIN_FAILED:
1634                 if (N2N_TOPO(vha->hw))
1635                         qla_chk_n2n_b4_login(vha, fcport);
1636                 else
1637                         qlt_schedule_sess_for_deletion(fcport);
1638                 break;
1639
1640         case DSC_LOGIN_COMPLETE:
1641                 /* recheck login state */
1642                 data[0] = data[1] = 0;
1643                 qla2x00_post_async_adisc_work(vha, fcport, data);
1644                 break;
1645
1646         case DSC_LOGIN_PEND:
1647                 if (fcport->fw_login_state == DSC_LS_PLOGI_COMP)
1648                         qla24xx_post_prli_work(vha, fcport);
1649                 break;
1650
1651         case DSC_UPD_FCPORT:
1652                 sec =  jiffies_to_msecs(jiffies -
1653                     fcport->jiffies_at_registration)/1000;
1654                 if (fcport->sec_since_registration < sec && sec &&
1655                     !(sec % 60)) {
1656                         fcport->sec_since_registration = sec;
1657                         ql_dbg(ql_dbg_disc, fcport->vha, 0xffff,
1658                             "%s %8phC - Slow Rport registration(%d Sec)\n",
1659                             __func__, fcport->port_name, sec);
1660                 }
1661
1662                 if (fcport->next_disc_state != DSC_DELETE_PEND)
1663                         fcport->next_disc_state = DSC_ADISC;
1664                 set_bit(RELOGIN_NEEDED, &vha->dpc_flags);
1665                 break;
1666
1667         default:
1668                 break;
1669         }
1670
1671         return 0;
1672 }
1673
1674 int qla24xx_post_newsess_work(struct scsi_qla_host *vha, port_id_t *id,
1675     u8 *port_name, u8 *node_name, void *pla, u8 fc4_type)
1676 {
1677         struct qla_work_evt *e;
1678
1679         e = qla2x00_alloc_work(vha, QLA_EVT_NEW_SESS);
1680         if (!e)
1681                 return QLA_FUNCTION_FAILED;
1682
1683         e->u.new_sess.id = *id;
1684         e->u.new_sess.pla = pla;
1685         e->u.new_sess.fc4_type = fc4_type;
1686         memcpy(e->u.new_sess.port_name, port_name, WWN_SIZE);
1687         if (node_name)
1688                 memcpy(e->u.new_sess.node_name, node_name, WWN_SIZE);
1689
1690         return qla2x00_post_work(vha, e);
1691 }
1692
1693 void qla2x00_handle_rscn(scsi_qla_host_t *vha, struct event_arg *ea)
1694 {
1695         fc_port_t *fcport;
1696         unsigned long flags;
1697
1698         fcport = qla2x00_find_fcport_by_nportid(vha, &ea->id, 1);
1699         if (fcport) {
1700                 fcport->scan_needed = 1;
1701                 fcport->rscn_gen++;
1702         }
1703
1704         spin_lock_irqsave(&vha->work_lock, flags);
1705         if (vha->scan.scan_flags == 0) {
1706                 ql_dbg(ql_dbg_disc, vha, 0xffff, "%s: schedule\n", __func__);
1707                 vha->scan.scan_flags |= SF_QUEUED;
1708                 schedule_delayed_work(&vha->scan.scan_work, 5);
1709         }
1710         spin_unlock_irqrestore(&vha->work_lock, flags);
1711 }
1712
1713 void qla24xx_handle_relogin_event(scsi_qla_host_t *vha,
1714         struct event_arg *ea)
1715 {
1716         fc_port_t *fcport = ea->fcport;
1717
1718         if (test_bit(UNLOADING, &vha->dpc_flags))
1719                 return;
1720
1721         ql_dbg(ql_dbg_disc, vha, 0x2102,
1722             "%s %8phC DS %d LS %d P %d del %d cnfl %p rscn %d|%d login %d|%d fl %x\n",
1723             __func__, fcport->port_name, fcport->disc_state,
1724             fcport->fw_login_state, fcport->login_pause,
1725             fcport->deleted, fcport->conflict,
1726             fcport->last_rscn_gen, fcport->rscn_gen,
1727             fcport->last_login_gen, fcport->login_gen,
1728             fcport->flags);
1729
1730         if (fcport->last_rscn_gen != fcport->rscn_gen) {
1731                 ql_dbg(ql_dbg_disc, vha, 0x20e9, "%s %d %8phC post gnl\n",
1732                     __func__, __LINE__, fcport->port_name);
1733                 qla24xx_post_gnl_work(vha, fcport);
1734                 return;
1735         }
1736
1737         qla24xx_fcport_handle_login(vha, fcport);
1738 }
1739
1740 void qla_handle_els_plogi_done(scsi_qla_host_t *vha,
1741                                       struct event_arg *ea)
1742 {
1743         /* for pure Target Mode, PRLI will not be initiated */
1744         if (vha->host->active_mode == MODE_TARGET)
1745                 return;
1746
1747         ql_dbg(ql_dbg_disc, vha, 0x2118,
1748             "%s %d %8phC post PRLI\n",
1749             __func__, __LINE__, ea->fcport->port_name);
1750         qla24xx_post_prli_work(vha, ea->fcport);
1751 }
1752
1753 /*
1754  * RSCN(s) came in for this fcport, but the RSCN(s) was not able
1755  * to be consumed by the fcport
1756  */
1757 void qla_rscn_replay(fc_port_t *fcport)
1758 {
1759         struct event_arg ea;
1760
1761         switch (fcport->disc_state) {
1762         case DSC_DELETE_PEND:
1763                 return;
1764         default:
1765                 break;
1766         }
1767
1768         if (fcport->scan_needed) {
1769                 memset(&ea, 0, sizeof(ea));
1770                 ea.id = fcport->d_id;
1771                 ea.id.b.rsvd_1 = RSCN_PORT_ADDR;
1772                 qla2x00_handle_rscn(fcport->vha, &ea);
1773         }
1774 }
1775
1776 static void
1777 qla2x00_tmf_iocb_timeout(void *data)
1778 {
1779         srb_t *sp = data;
1780         struct srb_iocb *tmf = &sp->u.iocb_cmd;
1781         int rc, h;
1782         unsigned long flags;
1783
1784         rc = qla24xx_async_abort_cmd(sp, false);
1785         if (rc) {
1786                 spin_lock_irqsave(sp->qpair->qp_lock_ptr, flags);
1787                 for (h = 1; h < sp->qpair->req->num_outstanding_cmds; h++) {
1788                         if (sp->qpair->req->outstanding_cmds[h] == sp) {
1789                                 sp->qpair->req->outstanding_cmds[h] = NULL;
1790                                 break;
1791                         }
1792                 }
1793                 spin_unlock_irqrestore(sp->qpair->qp_lock_ptr, flags);
1794                 tmf->u.tmf.comp_status = cpu_to_le16(CS_TIMEOUT);
1795                 tmf->u.tmf.data = QLA_FUNCTION_FAILED;
1796                 complete(&tmf->u.tmf.comp);
1797         }
1798 }
1799
1800 static void qla2x00_tmf_sp_done(srb_t *sp, int res)
1801 {
1802         struct srb_iocb *tmf = &sp->u.iocb_cmd;
1803
1804         complete(&tmf->u.tmf.comp);
1805 }
1806
1807 int
1808 qla2x00_async_tm_cmd(fc_port_t *fcport, uint32_t flags, uint32_t lun,
1809         uint32_t tag)
1810 {
1811         struct scsi_qla_host *vha = fcport->vha;
1812         struct srb_iocb *tm_iocb;
1813         srb_t *sp;
1814         int rval = QLA_FUNCTION_FAILED;
1815
1816         sp = qla2x00_get_sp(vha, fcport, GFP_KERNEL);
1817         if (!sp)
1818                 goto done;
1819
1820         tm_iocb = &sp->u.iocb_cmd;
1821         sp->type = SRB_TM_CMD;
1822         sp->name = "tmf";
1823
1824         tm_iocb->timeout = qla2x00_tmf_iocb_timeout;
1825         init_completion(&tm_iocb->u.tmf.comp);
1826         qla2x00_init_timer(sp, qla2x00_get_async_timeout(vha));
1827
1828         tm_iocb->u.tmf.flags = flags;
1829         tm_iocb->u.tmf.lun = lun;
1830         tm_iocb->u.tmf.data = tag;
1831         sp->done = qla2x00_tmf_sp_done;
1832
1833         ql_dbg(ql_dbg_taskm, vha, 0x802f,
1834             "Async-tmf hdl=%x loop-id=%x portid=%02x%02x%02x.\n",
1835             sp->handle, fcport->loop_id, fcport->d_id.b.domain,
1836             fcport->d_id.b.area, fcport->d_id.b.al_pa);
1837
1838         rval = qla2x00_start_sp(sp);
1839         if (rval != QLA_SUCCESS)
1840                 goto done_free_sp;
1841         wait_for_completion(&tm_iocb->u.tmf.comp);
1842
1843         rval = tm_iocb->u.tmf.data;
1844
1845         if (rval != QLA_SUCCESS) {
1846                 ql_log(ql_log_warn, vha, 0x8030,
1847                     "TM IOCB failed (%x).\n", rval);
1848         }
1849
1850         if (!test_bit(UNLOADING, &vha->dpc_flags) && !IS_QLAFX00(vha->hw)) {
1851                 flags = tm_iocb->u.tmf.flags;
1852                 lun = (uint16_t)tm_iocb->u.tmf.lun;
1853
1854                 /* Issue Marker IOCB */
1855                 qla2x00_marker(vha, vha->hw->base_qpair,
1856                     fcport->loop_id, lun,
1857                     flags == TCF_LUN_RESET ? MK_SYNC_ID_LUN : MK_SYNC_ID);
1858         }
1859
1860 done_free_sp:
1861         sp->free(sp);
1862         fcport->flags &= ~FCF_ASYNC_SENT;
1863 done:
1864         return rval;
1865 }
1866
1867 int
1868 qla24xx_async_abort_command(srb_t *sp)
1869 {
1870         unsigned long   flags = 0;
1871
1872         uint32_t        handle;
1873         fc_port_t       *fcport = sp->fcport;
1874         struct qla_qpair *qpair = sp->qpair;
1875         struct scsi_qla_host *vha = fcport->vha;
1876         struct req_que *req = qpair->req;
1877
1878         spin_lock_irqsave(qpair->qp_lock_ptr, flags);
1879         for (handle = 1; handle < req->num_outstanding_cmds; handle++) {
1880                 if (req->outstanding_cmds[handle] == sp)
1881                         break;
1882         }
1883         spin_unlock_irqrestore(qpair->qp_lock_ptr, flags);
1884
1885         if (handle == req->num_outstanding_cmds) {
1886                 /* Command not found. */
1887                 return QLA_FUNCTION_FAILED;
1888         }
1889         if (sp->type == SRB_FXIOCB_DCMD)
1890                 return qlafx00_fx_disc(vha, &vha->hw->mr.fcport,
1891                     FXDISC_ABORT_IOCTL);
1892
1893         return qla24xx_async_abort_cmd(sp, true);
1894 }
1895
1896 static void
1897 qla24xx_handle_prli_done_event(struct scsi_qla_host *vha, struct event_arg *ea)
1898 {
1899         WARN_ONCE(!qla2xxx_is_valid_mbs(ea->data[0]), "mbs: %#x\n",
1900                   ea->data[0]);
1901
1902         switch (ea->data[0]) {
1903         case MBS_COMMAND_COMPLETE:
1904                 ql_dbg(ql_dbg_disc, vha, 0x2118,
1905                     "%s %d %8phC post gpdb\n",
1906                     __func__, __LINE__, ea->fcport->port_name);
1907
1908                 ea->fcport->chip_reset = vha->hw->base_qpair->chip_reset;
1909                 ea->fcport->logout_on_delete = 1;
1910                 ea->fcport->nvme_prli_service_param = ea->iop[0];
1911                 if (ea->iop[0] & NVME_PRLI_SP_FIRST_BURST)
1912                         ea->fcport->nvme_first_burst_size =
1913                             (ea->iop[1] & 0xffff) * 512;
1914                 else
1915                         ea->fcport->nvme_first_burst_size = 0;
1916                 qla24xx_post_gpdb_work(vha, ea->fcport, 0);
1917                 break;
1918         default:
1919                 if ((ea->iop[0] == LSC_SCODE_ELS_REJECT) &&
1920                     (ea->iop[1] == 0x50000)) {   /* reson 5=busy expl:0x0 */
1921                         set_bit(RELOGIN_NEEDED, &vha->dpc_flags);
1922                         ea->fcport->fw_login_state = DSC_LS_PLOGI_COMP;
1923                         break;
1924                 }
1925
1926                 /*
1927                  * Retry PRLI with other FC-4 type if failure occurred on dual
1928                  * FCP/NVMe port
1929                  */
1930                 if (NVME_FCP_TARGET(ea->fcport)) {
1931                         ql_dbg(ql_dbg_disc, vha, 0x2118,
1932                                 "%s %d %8phC post %s prli\n",
1933                                 __func__, __LINE__, ea->fcport->port_name,
1934                                 (ea->fcport->fc4_type & FS_FC4TYPE_NVME) ?
1935                                 "NVMe" : "FCP");
1936                         if (vha->hw->fc4_type_priority == FC4_PRIORITY_NVME)
1937                                 ea->fcport->fc4_type &= ~FS_FC4TYPE_NVME;
1938                         else
1939                                 ea->fcport->fc4_type &= ~FS_FC4TYPE_FCP;
1940                 }
1941
1942                 ea->fcport->flags &= ~FCF_ASYNC_SENT;
1943                 ea->fcport->keep_nport_handle = 0;
1944                 ea->fcport->logout_on_delete = 1;
1945                 qlt_schedule_sess_for_deletion(ea->fcport);
1946                 break;
1947         }
1948 }
1949
1950 void
1951 qla24xx_handle_plogi_done_event(struct scsi_qla_host *vha, struct event_arg *ea)
1952 {
1953         port_id_t cid;  /* conflict Nport id */
1954         u16 lid;
1955         struct fc_port *conflict_fcport;
1956         unsigned long flags;
1957         struct fc_port *fcport = ea->fcport;
1958
1959         ql_dbg(ql_dbg_disc, vha, 0xffff,
1960             "%s %8phC DS %d LS %d rc %d login %d|%d rscn %d|%d data %x|%x iop %x|%x\n",
1961             __func__, fcport->port_name, fcport->disc_state,
1962             fcport->fw_login_state, ea->rc, ea->sp->gen2, fcport->login_gen,
1963             ea->sp->gen1, fcport->rscn_gen,
1964             ea->data[0], ea->data[1], ea->iop[0], ea->iop[1]);
1965
1966         if ((fcport->fw_login_state == DSC_LS_PLOGI_PEND) ||
1967             (fcport->fw_login_state == DSC_LS_PRLI_PEND)) {
1968                 ql_dbg(ql_dbg_disc, vha, 0x20ea,
1969                     "%s %d %8phC Remote is trying to login\n",
1970                     __func__, __LINE__, fcport->port_name);
1971                 return;
1972         }
1973
1974         if ((fcport->disc_state == DSC_DELETE_PEND) ||
1975             (fcport->disc_state == DSC_DELETED)) {
1976                 set_bit(RELOGIN_NEEDED, &vha->dpc_flags);
1977                 return;
1978         }
1979
1980         if (ea->sp->gen2 != fcport->login_gen) {
1981                 /* target side must have changed it. */
1982                 ql_dbg(ql_dbg_disc, vha, 0x20d3,
1983                     "%s %8phC generation changed\n",
1984                     __func__, fcport->port_name);
1985                 set_bit(RELOGIN_NEEDED, &vha->dpc_flags);
1986                 return;
1987         } else if (ea->sp->gen1 != fcport->rscn_gen) {
1988                 ql_dbg(ql_dbg_disc, vha, 0x20d3,
1989                     "%s %8phC RSCN generation changed\n",
1990                     __func__, fcport->port_name);
1991                 qla_rscn_replay(fcport);
1992                 qlt_schedule_sess_for_deletion(fcport);
1993                 return;
1994         }
1995
1996         WARN_ONCE(!qla2xxx_is_valid_mbs(ea->data[0]), "mbs: %#x\n",
1997                   ea->data[0]);
1998
1999         switch (ea->data[0]) {
2000         case MBS_COMMAND_COMPLETE:
2001                 /*
2002                  * Driver must validate login state - If PRLI not complete,
2003                  * force a relogin attempt via implicit LOGO, PLOGI, and PRLI
2004                  * requests.
2005                  */
2006                 if (NVME_TARGET(vha->hw, ea->fcport)) {
2007                         ql_dbg(ql_dbg_disc, vha, 0x2117,
2008                                 "%s %d %8phC post prli\n",
2009                                 __func__, __LINE__, ea->fcport->port_name);
2010                         qla24xx_post_prli_work(vha, ea->fcport);
2011                 } else {
2012                         ql_dbg(ql_dbg_disc, vha, 0x20ea,
2013                             "%s %d %8phC LoopID 0x%x in use with %06x. post gpdb\n",
2014                             __func__, __LINE__, ea->fcport->port_name,
2015                             ea->fcport->loop_id, ea->fcport->d_id.b24);
2016
2017                         set_bit(ea->fcport->loop_id, vha->hw->loop_id_map);
2018                         spin_lock_irqsave(&vha->hw->tgt.sess_lock, flags);
2019                         ea->fcport->chip_reset = vha->hw->base_qpair->chip_reset;
2020                         ea->fcport->logout_on_delete = 1;
2021                         ea->fcport->send_els_logo = 0;
2022                         ea->fcport->fw_login_state = DSC_LS_PRLI_COMP;
2023                         spin_unlock_irqrestore(&vha->hw->tgt.sess_lock, flags);
2024
2025                         qla24xx_post_gpdb_work(vha, ea->fcport, 0);
2026                 }
2027                 break;
2028         case MBS_COMMAND_ERROR:
2029                 ql_dbg(ql_dbg_disc, vha, 0x20eb, "%s %d %8phC cmd error %x\n",
2030                     __func__, __LINE__, ea->fcport->port_name, ea->data[1]);
2031
2032                 ea->fcport->flags &= ~FCF_ASYNC_SENT;
2033                 qla2x00_set_fcport_disc_state(ea->fcport, DSC_LOGIN_FAILED);
2034                 if (ea->data[1] & QLA_LOGIO_LOGIN_RETRIED)
2035                         set_bit(RELOGIN_NEEDED, &vha->dpc_flags);
2036                 else
2037                         qla2x00_mark_device_lost(vha, ea->fcport, 1);
2038                 break;
2039         case MBS_LOOP_ID_USED:
2040                 /* data[1] = IO PARAM 1 = nport ID  */
2041                 cid.b.domain = (ea->iop[1] >> 16) & 0xff;
2042                 cid.b.area   = (ea->iop[1] >>  8) & 0xff;
2043                 cid.b.al_pa  = ea->iop[1] & 0xff;
2044                 cid.b.rsvd_1 = 0;
2045
2046                 ql_dbg(ql_dbg_disc, vha, 0x20ec,
2047                     "%s %d %8phC lid %#x in use with pid %06x post gnl\n",
2048                     __func__, __LINE__, ea->fcport->port_name,
2049                     ea->fcport->loop_id, cid.b24);
2050
2051                 set_bit(ea->fcport->loop_id, vha->hw->loop_id_map);
2052                 ea->fcport->loop_id = FC_NO_LOOP_ID;
2053                 qla24xx_post_gnl_work(vha, ea->fcport);
2054                 break;
2055         case MBS_PORT_ID_USED:
2056                 lid = ea->iop[1] & 0xffff;
2057                 qlt_find_sess_invalidate_other(vha,
2058                     wwn_to_u64(ea->fcport->port_name),
2059                     ea->fcport->d_id, lid, &conflict_fcport);
2060
2061                 if (conflict_fcport) {
2062                         /*
2063                          * Another fcport share the same loop_id/nport id.
2064                          * Conflict fcport needs to finish cleanup before this
2065                          * fcport can proceed to login.
2066                          */
2067                         conflict_fcport->conflict = ea->fcport;
2068                         ea->fcport->login_pause = 1;
2069
2070                         ql_dbg(ql_dbg_disc, vha, 0x20ed,
2071                             "%s %d %8phC NPortId %06x inuse with loopid 0x%x. post gidpn\n",
2072                             __func__, __LINE__, ea->fcport->port_name,
2073                             ea->fcport->d_id.b24, lid);
2074                 } else {
2075                         ql_dbg(ql_dbg_disc, vha, 0x20ed,
2076                             "%s %d %8phC NPortId %06x inuse with loopid 0x%x. sched delete\n",
2077                             __func__, __LINE__, ea->fcport->port_name,
2078                             ea->fcport->d_id.b24, lid);
2079
2080                         qla2x00_clear_loop_id(ea->fcport);
2081                         set_bit(lid, vha->hw->loop_id_map);
2082                         ea->fcport->loop_id = lid;
2083                         ea->fcport->keep_nport_handle = 0;
2084                         ea->fcport->logout_on_delete = 1;
2085                         qlt_schedule_sess_for_deletion(ea->fcport);
2086                 }
2087                 break;
2088         }
2089         return;
2090 }
2091
2092 /****************************************************************************/
2093 /*                QLogic ISP2x00 Hardware Support Functions.                */
2094 /****************************************************************************/
2095
2096 static int
2097 qla83xx_nic_core_fw_load(scsi_qla_host_t *vha)
2098 {
2099         int rval = QLA_SUCCESS;
2100         struct qla_hw_data *ha = vha->hw;
2101         uint32_t idc_major_ver, idc_minor_ver;
2102         uint16_t config[4];
2103
2104         qla83xx_idc_lock(vha, 0);
2105
2106         /* SV: TODO: Assign initialization timeout from
2107          * flash-info / other param
2108          */
2109         ha->fcoe_dev_init_timeout = QLA83XX_IDC_INITIALIZATION_TIMEOUT;
2110         ha->fcoe_reset_timeout = QLA83XX_IDC_RESET_ACK_TIMEOUT;
2111
2112         /* Set our fcoe function presence */
2113         if (__qla83xx_set_drv_presence(vha) != QLA_SUCCESS) {
2114                 ql_dbg(ql_dbg_p3p, vha, 0xb077,
2115                     "Error while setting DRV-Presence.\n");
2116                 rval = QLA_FUNCTION_FAILED;
2117                 goto exit;
2118         }
2119
2120         /* Decide the reset ownership */
2121         qla83xx_reset_ownership(vha);
2122
2123         /*
2124          * On first protocol driver load:
2125          * Init-Owner: Set IDC-Major-Version and Clear IDC-Lock-Recovery
2126          * register.
2127          * Others: Check compatibility with current IDC Major version.
2128          */
2129         qla83xx_rd_reg(vha, QLA83XX_IDC_MAJOR_VERSION, &idc_major_ver);
2130         if (ha->flags.nic_core_reset_owner) {
2131                 /* Set IDC Major version */
2132                 idc_major_ver = QLA83XX_SUPP_IDC_MAJOR_VERSION;
2133                 qla83xx_wr_reg(vha, QLA83XX_IDC_MAJOR_VERSION, idc_major_ver);
2134
2135                 /* Clearing IDC-Lock-Recovery register */
2136                 qla83xx_wr_reg(vha, QLA83XX_IDC_LOCK_RECOVERY, 0);
2137         } else if (idc_major_ver != QLA83XX_SUPP_IDC_MAJOR_VERSION) {
2138                 /*
2139                  * Clear further IDC participation if we are not compatible with
2140                  * the current IDC Major Version.
2141                  */
2142                 ql_log(ql_log_warn, vha, 0xb07d,
2143                     "Failing load, idc_major_ver=%d, expected_major_ver=%d.\n",
2144                     idc_major_ver, QLA83XX_SUPP_IDC_MAJOR_VERSION);
2145                 __qla83xx_clear_drv_presence(vha);
2146                 rval = QLA_FUNCTION_FAILED;
2147                 goto exit;
2148         }
2149         /* Each function sets its supported Minor version. */
2150         qla83xx_rd_reg(vha, QLA83XX_IDC_MINOR_VERSION, &idc_minor_ver);
2151         idc_minor_ver |= (QLA83XX_SUPP_IDC_MINOR_VERSION << (ha->portnum * 2));
2152         qla83xx_wr_reg(vha, QLA83XX_IDC_MINOR_VERSION, idc_minor_ver);
2153
2154         if (ha->flags.nic_core_reset_owner) {
2155                 memset(config, 0, sizeof(config));
2156                 if (!qla81xx_get_port_config(vha, config))
2157                         qla83xx_wr_reg(vha, QLA83XX_IDC_DEV_STATE,
2158                             QLA8XXX_DEV_READY);
2159         }
2160
2161         rval = qla83xx_idc_state_handler(vha);
2162
2163 exit:
2164         qla83xx_idc_unlock(vha, 0);
2165
2166         return rval;
2167 }
2168
2169 /*
2170 * qla2x00_initialize_adapter
2171 *      Initialize board.
2172 *
2173 * Input:
2174 *      ha = adapter block pointer.
2175 *
2176 * Returns:
2177 *      0 = success
2178 */
2179 int
2180 qla2x00_initialize_adapter(scsi_qla_host_t *vha)
2181 {
2182         int     rval;
2183         struct qla_hw_data *ha = vha->hw;
2184         struct req_que *req = ha->req_q_map[0];
2185         struct device_reg_24xx __iomem *reg = &ha->iobase->isp24;
2186
2187         memset(&vha->qla_stats, 0, sizeof(vha->qla_stats));
2188         memset(&vha->fc_host_stat, 0, sizeof(vha->fc_host_stat));
2189
2190         /* Clear adapter flags. */
2191         vha->flags.online = 0;
2192         ha->flags.chip_reset_done = 0;
2193         vha->flags.reset_active = 0;
2194         ha->flags.pci_channel_io_perm_failure = 0;
2195         ha->flags.eeh_busy = 0;
2196         vha->qla_stats.jiffies_at_last_reset = get_jiffies_64();
2197         atomic_set(&vha->loop_down_timer, LOOP_DOWN_TIME);
2198         atomic_set(&vha->loop_state, LOOP_DOWN);
2199         vha->device_flags = DFLG_NO_CABLE;
2200         vha->dpc_flags = 0;
2201         vha->flags.management_server_logged_in = 0;
2202         vha->marker_needed = 0;
2203         ha->isp_abort_cnt = 0;
2204         ha->beacon_blink_led = 0;
2205
2206         set_bit(0, ha->req_qid_map);
2207         set_bit(0, ha->rsp_qid_map);
2208
2209         ql_dbg(ql_dbg_init, vha, 0x0040,
2210             "Configuring PCI space...\n");
2211         rval = ha->isp_ops->pci_config(vha);
2212         if (rval) {
2213                 ql_log(ql_log_warn, vha, 0x0044,
2214                     "Unable to configure PCI space.\n");
2215                 return (rval);
2216         }
2217
2218         ha->isp_ops->reset_chip(vha);
2219
2220         /* Check for secure flash support */
2221         if (IS_QLA28XX(ha)) {
2222                 if (rd_reg_word(&reg->mailbox12) & BIT_0)
2223                         ha->flags.secure_adapter = 1;
2224                 ql_log(ql_log_info, vha, 0xffff, "Secure Adapter: %s\n",
2225                     (ha->flags.secure_adapter) ? "Yes" : "No");
2226         }
2227
2228
2229         rval = qla2xxx_get_flash_info(vha);
2230         if (rval) {
2231                 ql_log(ql_log_fatal, vha, 0x004f,
2232                     "Unable to validate FLASH data.\n");
2233                 return rval;
2234         }
2235
2236         if (IS_QLA8044(ha)) {
2237                 qla8044_read_reset_template(vha);
2238
2239                 /* NOTE: If ql2xdontresethba==1, set IDC_CTRL DONTRESET_BIT0.
2240                  * If DONRESET_BIT0 is set, drivers should not set dev_state
2241                  * to NEED_RESET. But if NEED_RESET is set, drivers should
2242                  * should honor the reset. */
2243                 if (ql2xdontresethba == 1)
2244                         qla8044_set_idc_dontreset(vha);
2245         }
2246
2247         ha->isp_ops->get_flash_version(vha, req->ring);
2248         ql_dbg(ql_dbg_init, vha, 0x0061,
2249             "Configure NVRAM parameters...\n");
2250
2251         /* Let priority default to FCP, can be overridden by nvram_config */
2252         ha->fc4_type_priority = FC4_PRIORITY_FCP;
2253
2254         ha->isp_ops->nvram_config(vha);
2255
2256         if (ha->fc4_type_priority != FC4_PRIORITY_FCP &&
2257             ha->fc4_type_priority != FC4_PRIORITY_NVME)
2258                 ha->fc4_type_priority = FC4_PRIORITY_FCP;
2259
2260         ql_log(ql_log_info, vha, 0xffff, "FC4 priority set to %s\n",
2261                ha->fc4_type_priority == FC4_PRIORITY_FCP ? "FCP" : "NVMe");
2262
2263         if (ha->flags.disable_serdes) {
2264                 /* Mask HBA via NVRAM settings? */
2265                 ql_log(ql_log_info, vha, 0x0077,
2266                     "Masking HBA WWPN %8phN (via NVRAM).\n", vha->port_name);
2267                 return QLA_FUNCTION_FAILED;
2268         }
2269
2270         ql_dbg(ql_dbg_init, vha, 0x0078,
2271             "Verifying loaded RISC code...\n");
2272
2273         /* If smartsan enabled then require fdmi and rdp enabled */
2274         if (ql2xsmartsan) {
2275                 ql2xfdmienable = 1;
2276                 ql2xrdpenable = 1;
2277         }
2278
2279         if (qla2x00_isp_firmware(vha) != QLA_SUCCESS) {
2280                 rval = ha->isp_ops->chip_diag(vha);
2281                 if (rval)
2282                         return (rval);
2283                 rval = qla2x00_setup_chip(vha);
2284                 if (rval)
2285                         return (rval);
2286         }
2287
2288         if (IS_QLA84XX(ha)) {
2289                 ha->cs84xx = qla84xx_get_chip(vha);
2290                 if (!ha->cs84xx) {
2291                         ql_log(ql_log_warn, vha, 0x00d0,
2292                             "Unable to configure ISP84XX.\n");
2293                         return QLA_FUNCTION_FAILED;
2294                 }
2295         }
2296
2297         if (qla_ini_mode_enabled(vha) || qla_dual_mode_enabled(vha))
2298                 rval = qla2x00_init_rings(vha);
2299
2300         /* No point in continuing if firmware initialization failed. */
2301         if (rval != QLA_SUCCESS)
2302                 return rval;
2303
2304         ha->flags.chip_reset_done = 1;
2305
2306         if (rval == QLA_SUCCESS && IS_QLA84XX(ha)) {
2307                 /* Issue verify 84xx FW IOCB to complete 84xx initialization */
2308                 rval = qla84xx_init_chip(vha);
2309                 if (rval != QLA_SUCCESS) {
2310                         ql_log(ql_log_warn, vha, 0x00d4,
2311                             "Unable to initialize ISP84XX.\n");
2312                         qla84xx_put_chip(vha);
2313                 }
2314         }
2315
2316         /* Load the NIC Core f/w if we are the first protocol driver. */
2317         if (IS_QLA8031(ha)) {
2318                 rval = qla83xx_nic_core_fw_load(vha);
2319                 if (rval)
2320                         ql_log(ql_log_warn, vha, 0x0124,
2321                             "Error in initializing NIC Core f/w.\n");
2322         }
2323
2324         if (IS_QLA24XX_TYPE(ha) || IS_QLA25XX(ha))
2325                 qla24xx_read_fcp_prio_cfg(vha);
2326
2327         if (IS_P3P_TYPE(ha))
2328                 qla82xx_set_driver_version(vha, QLA2XXX_VERSION);
2329         else
2330                 qla25xx_set_driver_version(vha, QLA2XXX_VERSION);
2331
2332         return (rval);
2333 }
2334
2335 /**
2336  * qla2100_pci_config() - Setup ISP21xx PCI configuration registers.
2337  * @vha: HA context
2338  *
2339  * Returns 0 on success.
2340  */
2341 int
2342 qla2100_pci_config(scsi_qla_host_t *vha)
2343 {
2344         uint16_t w;
2345         unsigned long flags;
2346         struct qla_hw_data *ha = vha->hw;
2347         struct device_reg_2xxx __iomem *reg = &ha->iobase->isp;
2348
2349         pci_set_master(ha->pdev);
2350         pci_try_set_mwi(ha->pdev);
2351
2352         pci_read_config_word(ha->pdev, PCI_COMMAND, &w);
2353         w |= (PCI_COMMAND_PARITY | PCI_COMMAND_SERR);
2354         pci_write_config_word(ha->pdev, PCI_COMMAND, w);
2355
2356         pci_disable_rom(ha->pdev);
2357
2358         /* Get PCI bus information. */
2359         spin_lock_irqsave(&ha->hardware_lock, flags);
2360         ha->pci_attr = rd_reg_word(&reg->ctrl_status);
2361         spin_unlock_irqrestore(&ha->hardware_lock, flags);
2362
2363         return QLA_SUCCESS;
2364 }
2365
2366 /**
2367  * qla2300_pci_config() - Setup ISP23xx PCI configuration registers.
2368  * @vha: HA context
2369  *
2370  * Returns 0 on success.
2371  */
2372 int
2373 qla2300_pci_config(scsi_qla_host_t *vha)
2374 {
2375         uint16_t        w;
2376         unsigned long   flags = 0;
2377         uint32_t        cnt;
2378         struct qla_hw_data *ha = vha->hw;
2379         struct device_reg_2xxx __iomem *reg = &ha->iobase->isp;
2380
2381         pci_set_master(ha->pdev);
2382         pci_try_set_mwi(ha->pdev);
2383
2384         pci_read_config_word(ha->pdev, PCI_COMMAND, &w);
2385         w |= (PCI_COMMAND_PARITY | PCI_COMMAND_SERR);
2386
2387         if (IS_QLA2322(ha) || IS_QLA6322(ha))
2388                 w &= ~PCI_COMMAND_INTX_DISABLE;
2389         pci_write_config_word(ha->pdev, PCI_COMMAND, w);
2390
2391         /*
2392          * If this is a 2300 card and not 2312, reset the
2393          * COMMAND_INVALIDATE due to a bug in the 2300. Unfortunately,
2394          * the 2310 also reports itself as a 2300 so we need to get the
2395          * fb revision level -- a 6 indicates it really is a 2300 and
2396          * not a 2310.
2397          */
2398         if (IS_QLA2300(ha)) {
2399                 spin_lock_irqsave(&ha->hardware_lock, flags);
2400
2401                 /* Pause RISC. */
2402                 wrt_reg_word(&reg->hccr, HCCR_PAUSE_RISC);
2403                 for (cnt = 0; cnt < 30000; cnt++) {
2404                         if ((rd_reg_word(&reg->hccr) & HCCR_RISC_PAUSE) != 0)
2405                                 break;
2406
2407                         udelay(10);
2408                 }
2409
2410                 /* Select FPM registers. */
2411                 wrt_reg_word(&reg->ctrl_status, 0x20);
2412                 rd_reg_word(&reg->ctrl_status);
2413
2414                 /* Get the fb rev level */
2415                 ha->fb_rev = RD_FB_CMD_REG(ha, reg);
2416
2417                 if (ha->fb_rev == FPM_2300)
2418                         pci_clear_mwi(ha->pdev);
2419
2420                 /* Deselect FPM registers. */
2421                 wrt_reg_word(&reg->ctrl_status, 0x0);
2422                 rd_reg_word(&reg->ctrl_status);
2423
2424                 /* Release RISC module. */
2425                 wrt_reg_word(&reg->hccr, HCCR_RELEASE_RISC);
2426                 for (cnt = 0; cnt < 30000; cnt++) {
2427                         if ((rd_reg_word(&reg->hccr) & HCCR_RISC_PAUSE) == 0)
2428                                 break;
2429
2430                         udelay(10);
2431                 }
2432
2433                 spin_unlock_irqrestore(&ha->hardware_lock, flags);
2434         }
2435
2436         pci_write_config_byte(ha->pdev, PCI_LATENCY_TIMER, 0x80);
2437
2438         pci_disable_rom(ha->pdev);
2439
2440         /* Get PCI bus information. */
2441         spin_lock_irqsave(&ha->hardware_lock, flags);
2442         ha->pci_attr = rd_reg_word(&reg->ctrl_status);
2443         spin_unlock_irqrestore(&ha->hardware_lock, flags);
2444
2445         return QLA_SUCCESS;
2446 }
2447
2448 /**
2449  * qla24xx_pci_config() - Setup ISP24xx PCI configuration registers.
2450  * @vha: HA context
2451  *
2452  * Returns 0 on success.
2453  */
2454 int
2455 qla24xx_pci_config(scsi_qla_host_t *vha)
2456 {
2457         uint16_t w;
2458         unsigned long flags = 0;
2459         struct qla_hw_data *ha = vha->hw;
2460         struct device_reg_24xx __iomem *reg = &ha->iobase->isp24;
2461
2462         pci_set_master(ha->pdev);
2463         pci_try_set_mwi(ha->pdev);
2464
2465         pci_read_config_word(ha->pdev, PCI_COMMAND, &w);
2466         w |= (PCI_COMMAND_PARITY | PCI_COMMAND_SERR);
2467         w &= ~PCI_COMMAND_INTX_DISABLE;
2468         pci_write_config_word(ha->pdev, PCI_COMMAND, w);
2469
2470         pci_write_config_byte(ha->pdev, PCI_LATENCY_TIMER, 0x80);
2471
2472         /* PCI-X -- adjust Maximum Memory Read Byte Count (2048). */
2473         if (pci_find_capability(ha->pdev, PCI_CAP_ID_PCIX))
2474                 pcix_set_mmrbc(ha->pdev, 2048);
2475
2476         /* PCIe -- adjust Maximum Read Request Size (2048). */
2477         if (pci_is_pcie(ha->pdev))
2478                 pcie_set_readrq(ha->pdev, 4096);
2479
2480         pci_disable_rom(ha->pdev);
2481
2482         ha->chip_revision = ha->pdev->revision;
2483
2484         /* Get PCI bus information. */
2485         spin_lock_irqsave(&ha->hardware_lock, flags);
2486         ha->pci_attr = rd_reg_dword(&reg->ctrl_status);
2487         spin_unlock_irqrestore(&ha->hardware_lock, flags);
2488
2489         return QLA_SUCCESS;
2490 }
2491
2492 /**
2493  * qla25xx_pci_config() - Setup ISP25xx PCI configuration registers.
2494  * @vha: HA context
2495  *
2496  * Returns 0 on success.
2497  */
2498 int
2499 qla25xx_pci_config(scsi_qla_host_t *vha)
2500 {
2501         uint16_t w;
2502         struct qla_hw_data *ha = vha->hw;
2503
2504         pci_set_master(ha->pdev);
2505         pci_try_set_mwi(ha->pdev);
2506
2507         pci_read_config_word(ha->pdev, PCI_COMMAND, &w);
2508         w |= (PCI_COMMAND_PARITY | PCI_COMMAND_SERR);
2509         w &= ~PCI_COMMAND_INTX_DISABLE;
2510         pci_write_config_word(ha->pdev, PCI_COMMAND, w);
2511
2512         /* PCIe -- adjust Maximum Read Request Size (2048). */
2513         if (pci_is_pcie(ha->pdev))
2514                 pcie_set_readrq(ha->pdev, 4096);
2515
2516         pci_disable_rom(ha->pdev);
2517
2518         ha->chip_revision = ha->pdev->revision;
2519
2520         return QLA_SUCCESS;
2521 }
2522
2523 /**
2524  * qla2x00_isp_firmware() - Choose firmware image.
2525  * @vha: HA context
2526  *
2527  * Returns 0 on success.
2528  */
2529 static int
2530 qla2x00_isp_firmware(scsi_qla_host_t *vha)
2531 {
2532         int  rval;
2533         uint16_t loop_id, topo, sw_cap;
2534         uint8_t domain, area, al_pa;
2535         struct qla_hw_data *ha = vha->hw;
2536
2537         /* Assume loading risc code */
2538         rval = QLA_FUNCTION_FAILED;
2539
2540         if (ha->flags.disable_risc_code_load) {
2541                 ql_log(ql_log_info, vha, 0x0079, "RISC CODE NOT loaded.\n");
2542
2543                 /* Verify checksum of loaded RISC code. */
2544                 rval = qla2x00_verify_checksum(vha, ha->fw_srisc_address);
2545                 if (rval == QLA_SUCCESS) {
2546                         /* And, verify we are not in ROM code. */
2547                         rval = qla2x00_get_adapter_id(vha, &loop_id, &al_pa,
2548                             &area, &domain, &topo, &sw_cap);
2549                 }
2550         }
2551
2552         if (rval)
2553                 ql_dbg(ql_dbg_init, vha, 0x007a,
2554                     "**** Load RISC code ****.\n");
2555
2556         return (rval);
2557 }
2558
2559 /**
2560  * qla2x00_reset_chip() - Reset ISP chip.
2561  * @vha: HA context
2562  *
2563  * Returns 0 on success.
2564  */
2565 int
2566 qla2x00_reset_chip(scsi_qla_host_t *vha)
2567 {
2568         unsigned long   flags = 0;
2569         struct qla_hw_data *ha = vha->hw;
2570         struct device_reg_2xxx __iomem *reg = &ha->iobase->isp;
2571         uint32_t        cnt;
2572         uint16_t        cmd;
2573         int rval = QLA_FUNCTION_FAILED;
2574
2575         if (unlikely(pci_channel_offline(ha->pdev)))
2576                 return rval;
2577
2578         ha->isp_ops->disable_intrs(ha);
2579
2580         spin_lock_irqsave(&ha->hardware_lock, flags);
2581
2582         /* Turn off master enable */
2583         cmd = 0;
2584         pci_read_config_word(ha->pdev, PCI_COMMAND, &cmd);
2585         cmd &= ~PCI_COMMAND_MASTER;
2586         pci_write_config_word(ha->pdev, PCI_COMMAND, cmd);
2587
2588         if (!IS_QLA2100(ha)) {
2589                 /* Pause RISC. */
2590                 wrt_reg_word(&reg->hccr, HCCR_PAUSE_RISC);
2591                 if (IS_QLA2200(ha) || IS_QLA2300(ha)) {
2592                         for (cnt = 0; cnt < 30000; cnt++) {
2593                                 if ((rd_reg_word(&reg->hccr) &
2594                                     HCCR_RISC_PAUSE) != 0)
2595                                         break;
2596                                 udelay(100);
2597                         }
2598                 } else {
2599                         rd_reg_word(&reg->hccr);        /* PCI Posting. */
2600                         udelay(10);
2601                 }
2602
2603                 /* Select FPM registers. */
2604                 wrt_reg_word(&reg->ctrl_status, 0x20);
2605                 rd_reg_word(&reg->ctrl_status);         /* PCI Posting. */
2606
2607                 /* FPM Soft Reset. */
2608                 wrt_reg_word(&reg->fpm_diag_config, 0x100);
2609                 rd_reg_word(&reg->fpm_diag_config);     /* PCI Posting. */
2610
2611                 /* Toggle Fpm Reset. */
2612                 if (!IS_QLA2200(ha)) {
2613                         wrt_reg_word(&reg->fpm_diag_config, 0x0);
2614                         rd_reg_word(&reg->fpm_diag_config); /* PCI Posting. */
2615                 }
2616
2617                 /* Select frame buffer registers. */
2618                 wrt_reg_word(&reg->ctrl_status, 0x10);
2619                 rd_reg_word(&reg->ctrl_status);         /* PCI Posting. */
2620
2621                 /* Reset frame buffer FIFOs. */
2622                 if (IS_QLA2200(ha)) {
2623                         WRT_FB_CMD_REG(ha, reg, 0xa000);
2624                         RD_FB_CMD_REG(ha, reg);         /* PCI Posting. */
2625                 } else {
2626                         WRT_FB_CMD_REG(ha, reg, 0x00fc);
2627
2628                         /* Read back fb_cmd until zero or 3 seconds max */
2629                         for (cnt = 0; cnt < 3000; cnt++) {
2630                                 if ((RD_FB_CMD_REG(ha, reg) & 0xff) == 0)
2631                                         break;
2632                                 udelay(100);
2633                         }
2634                 }
2635
2636                 /* Select RISC module registers. */
2637                 wrt_reg_word(&reg->ctrl_status, 0);
2638                 rd_reg_word(&reg->ctrl_status);         /* PCI Posting. */
2639
2640                 /* Reset RISC processor. */
2641                 wrt_reg_word(&reg->hccr, HCCR_RESET_RISC);
2642                 rd_reg_word(&reg->hccr);                /* PCI Posting. */
2643
2644                 /* Release RISC processor. */
2645                 wrt_reg_word(&reg->hccr, HCCR_RELEASE_RISC);
2646                 rd_reg_word(&reg->hccr);                /* PCI Posting. */
2647         }
2648
2649         wrt_reg_word(&reg->hccr, HCCR_CLR_RISC_INT);
2650         wrt_reg_word(&reg->hccr, HCCR_CLR_HOST_INT);
2651
2652         /* Reset ISP chip. */
2653         wrt_reg_word(&reg->ctrl_status, CSR_ISP_SOFT_RESET);
2654
2655         /* Wait for RISC to recover from reset. */
2656         if (IS_QLA2100(ha) || IS_QLA2200(ha) || IS_QLA2300(ha)) {
2657                 /*
2658                  * It is necessary to for a delay here since the card doesn't
2659                  * respond to PCI reads during a reset. On some architectures
2660                  * this will result in an MCA.
2661                  */
2662                 udelay(20);
2663                 for (cnt = 30000; cnt; cnt--) {
2664                         if ((rd_reg_word(&reg->ctrl_status) &
2665                             CSR_ISP_SOFT_RESET) == 0)
2666                                 break;
2667                         udelay(100);
2668                 }
2669         } else
2670                 udelay(10);
2671
2672         /* Reset RISC processor. */
2673         wrt_reg_word(&reg->hccr, HCCR_RESET_RISC);
2674
2675         wrt_reg_word(&reg->semaphore, 0);
2676
2677         /* Release RISC processor. */
2678         wrt_reg_word(&reg->hccr, HCCR_RELEASE_RISC);
2679         rd_reg_word(&reg->hccr);                        /* PCI Posting. */
2680
2681         if (IS_QLA2100(ha) || IS_QLA2200(ha) || IS_QLA2300(ha)) {
2682                 for (cnt = 0; cnt < 30000; cnt++) {
2683                         if (RD_MAILBOX_REG(ha, reg, 0) != MBS_BUSY)
2684                                 break;
2685
2686                         udelay(100);
2687                 }
2688         } else
2689                 udelay(100);
2690
2691         /* Turn on master enable */
2692         cmd |= PCI_COMMAND_MASTER;
2693         pci_write_config_word(ha->pdev, PCI_COMMAND, cmd);
2694
2695         /* Disable RISC pause on FPM parity error. */
2696         if (!IS_QLA2100(ha)) {
2697                 wrt_reg_word(&reg->hccr, HCCR_DISABLE_PARITY_PAUSE);
2698                 rd_reg_word(&reg->hccr);                /* PCI Posting. */
2699         }
2700
2701         spin_unlock_irqrestore(&ha->hardware_lock, flags);
2702
2703         return QLA_SUCCESS;
2704 }
2705
2706 /**
2707  * qla81xx_reset_mpi() - Reset's MPI FW via Write MPI Register MBC.
2708  * @vha: HA context
2709  *
2710  * Returns 0 on success.
2711  */
2712 static int
2713 qla81xx_reset_mpi(scsi_qla_host_t *vha)
2714 {
2715         uint16_t mb[4] = {0x1010, 0, 1, 0};
2716
2717         if (!IS_QLA81XX(vha->hw))
2718                 return QLA_SUCCESS;
2719
2720         return qla81xx_write_mpi_register(vha, mb);
2721 }
2722
2723 /**
2724  * qla24xx_reset_risc() - Perform full reset of ISP24xx RISC.
2725  * @vha: HA context
2726  *
2727  * Returns 0 on success.
2728  */
2729 static inline int
2730 qla24xx_reset_risc(scsi_qla_host_t *vha)
2731 {
2732         unsigned long flags = 0;
2733         struct qla_hw_data *ha = vha->hw;
2734         struct device_reg_24xx __iomem *reg = &ha->iobase->isp24;
2735         uint32_t cnt;
2736         uint16_t wd;
2737         static int abts_cnt; /* ISP abort retry counts */
2738         int rval = QLA_SUCCESS;
2739
2740         spin_lock_irqsave(&ha->hardware_lock, flags);
2741
2742         /* Reset RISC. */
2743         wrt_reg_dword(&reg->ctrl_status, CSRX_DMA_SHUTDOWN|MWB_4096_BYTES);
2744         for (cnt = 0; cnt < 30000; cnt++) {
2745                 if ((rd_reg_dword(&reg->ctrl_status) & CSRX_DMA_ACTIVE) == 0)
2746                         break;
2747
2748                 udelay(10);
2749         }
2750
2751         if (!(rd_reg_dword(&reg->ctrl_status) & CSRX_DMA_ACTIVE))
2752                 set_bit(DMA_SHUTDOWN_CMPL, &ha->fw_dump_cap_flags);
2753
2754         ql_dbg(ql_dbg_init + ql_dbg_verbose, vha, 0x017e,
2755             "HCCR: 0x%x, Control Status %x, DMA active status:0x%x\n",
2756             rd_reg_dword(&reg->hccr),
2757             rd_reg_dword(&reg->ctrl_status),
2758             (rd_reg_dword(&reg->ctrl_status) & CSRX_DMA_ACTIVE));
2759
2760         wrt_reg_dword(&reg->ctrl_status,
2761             CSRX_ISP_SOFT_RESET|CSRX_DMA_SHUTDOWN|MWB_4096_BYTES);
2762         pci_read_config_word(ha->pdev, PCI_COMMAND, &wd);
2763
2764         udelay(100);
2765
2766         /* Wait for firmware to complete NVRAM accesses. */
2767         rd_reg_word(&reg->mailbox0);
2768         for (cnt = 10000; rd_reg_word(&reg->mailbox0) != 0 &&
2769             rval == QLA_SUCCESS; cnt--) {
2770                 barrier();
2771                 if (cnt)
2772                         udelay(5);
2773                 else
2774                         rval = QLA_FUNCTION_TIMEOUT;
2775         }
2776
2777         if (rval == QLA_SUCCESS)
2778                 set_bit(ISP_MBX_RDY, &ha->fw_dump_cap_flags);
2779
2780         ql_dbg(ql_dbg_init + ql_dbg_verbose, vha, 0x017f,
2781             "HCCR: 0x%x, MailBox0 Status 0x%x\n",
2782             rd_reg_dword(&reg->hccr),
2783             rd_reg_word(&reg->mailbox0));
2784
2785         /* Wait for soft-reset to complete. */
2786         rd_reg_dword(&reg->ctrl_status);
2787         for (cnt = 0; cnt < 60; cnt++) {
2788                 barrier();
2789                 if ((rd_reg_dword(&reg->ctrl_status) &
2790                     CSRX_ISP_SOFT_RESET) == 0)
2791                         break;
2792
2793                 udelay(5);
2794         }
2795         if (!(rd_reg_dword(&reg->ctrl_status) & CSRX_ISP_SOFT_RESET))
2796                 set_bit(ISP_SOFT_RESET_CMPL, &ha->fw_dump_cap_flags);
2797
2798         ql_dbg(ql_dbg_init + ql_dbg_verbose, vha, 0x015d,
2799             "HCCR: 0x%x, Soft Reset status: 0x%x\n",
2800             rd_reg_dword(&reg->hccr),
2801             rd_reg_dword(&reg->ctrl_status));
2802
2803         /* If required, do an MPI FW reset now */
2804         if (test_and_clear_bit(MPI_RESET_NEEDED, &vha->dpc_flags)) {
2805                 if (qla81xx_reset_mpi(vha) != QLA_SUCCESS) {
2806                         if (++abts_cnt < 5) {
2807                                 set_bit(ISP_ABORT_NEEDED, &vha->dpc_flags);
2808                                 set_bit(MPI_RESET_NEEDED, &vha->dpc_flags);
2809                         } else {
2810                                 /*
2811                                  * We exhausted the ISP abort retries. We have to
2812                                  * set the board offline.
2813                                  */
2814                                 abts_cnt = 0;
2815                                 vha->flags.online = 0;
2816                         }
2817                 }
2818         }
2819
2820         wrt_reg_dword(&reg->hccr, HCCRX_SET_RISC_RESET);
2821         rd_reg_dword(&reg->hccr);
2822
2823         wrt_reg_dword(&reg->hccr, HCCRX_REL_RISC_PAUSE);
2824         rd_reg_dword(&reg->hccr);
2825
2826         wrt_reg_dword(&reg->hccr, HCCRX_CLR_RISC_RESET);
2827         rd_reg_dword(&reg->hccr);
2828
2829         rd_reg_word(&reg->mailbox0);
2830         for (cnt = 60; rd_reg_word(&reg->mailbox0) != 0 &&
2831             rval == QLA_SUCCESS; cnt--) {
2832                 barrier();
2833                 if (cnt)
2834                         udelay(5);
2835                 else
2836                         rval = QLA_FUNCTION_TIMEOUT;
2837         }
2838         if (rval == QLA_SUCCESS)
2839                 set_bit(RISC_RDY_AFT_RESET, &ha->fw_dump_cap_flags);
2840
2841         ql_dbg(ql_dbg_init + ql_dbg_verbose, vha, 0x015e,
2842             "Host Risc 0x%x, mailbox0 0x%x\n",
2843             rd_reg_dword(&reg->hccr),
2844              rd_reg_word(&reg->mailbox0));
2845
2846         spin_unlock_irqrestore(&ha->hardware_lock, flags);
2847
2848         ql_dbg(ql_dbg_init + ql_dbg_verbose, vha, 0x015f,
2849             "Driver in %s mode\n",
2850             IS_NOPOLLING_TYPE(ha) ? "Interrupt" : "Polling");
2851
2852         if (IS_NOPOLLING_TYPE(ha))
2853                 ha->isp_ops->enable_intrs(ha);
2854
2855         return rval;
2856 }
2857
2858 static void
2859 qla25xx_read_risc_sema_reg(scsi_qla_host_t *vha, uint32_t *data)
2860 {
2861         struct device_reg_24xx __iomem *reg = &vha->hw->iobase->isp24;
2862
2863         wrt_reg_dword(&reg->iobase_addr, RISC_REGISTER_BASE_OFFSET);
2864         *data = rd_reg_dword(&reg->iobase_window + RISC_REGISTER_WINDOW_OFFSET);
2865 }
2866
2867 static void
2868 qla25xx_write_risc_sema_reg(scsi_qla_host_t *vha, uint32_t data)
2869 {
2870         struct device_reg_24xx __iomem *reg = &vha->hw->iobase->isp24;
2871
2872         wrt_reg_dword(&reg->iobase_addr, RISC_REGISTER_BASE_OFFSET);
2873         wrt_reg_dword(&reg->iobase_window + RISC_REGISTER_WINDOW_OFFSET, data);
2874 }
2875
2876 static void
2877 qla25xx_manipulate_risc_semaphore(scsi_qla_host_t *vha)
2878 {
2879         uint32_t wd32 = 0;
2880         uint delta_msec = 100;
2881         uint elapsed_msec = 0;
2882         uint timeout_msec;
2883         ulong n;
2884
2885         if (vha->hw->pdev->subsystem_device != 0x0175 &&
2886             vha->hw->pdev->subsystem_device != 0x0240)
2887                 return;
2888
2889         wrt_reg_dword(&vha->hw->iobase->isp24.hccr, HCCRX_SET_RISC_PAUSE);
2890         udelay(100);
2891
2892 attempt:
2893         timeout_msec = TIMEOUT_SEMAPHORE;
2894         n = timeout_msec / delta_msec;
2895         while (n--) {
2896                 qla25xx_write_risc_sema_reg(vha, RISC_SEMAPHORE_SET);
2897                 qla25xx_read_risc_sema_reg(vha, &wd32);
2898                 if (wd32 & RISC_SEMAPHORE)
2899                         break;
2900                 msleep(delta_msec);
2901                 elapsed_msec += delta_msec;
2902                 if (elapsed_msec > TIMEOUT_TOTAL_ELAPSED)
2903                         goto force;
2904         }
2905
2906         if (!(wd32 & RISC_SEMAPHORE))
2907                 goto force;
2908
2909         if (!(wd32 & RISC_SEMAPHORE_FORCE))
2910                 goto acquired;
2911
2912         qla25xx_write_risc_sema_reg(vha, RISC_SEMAPHORE_CLR);
2913         timeout_msec = TIMEOUT_SEMAPHORE_FORCE;
2914         n = timeout_msec / delta_msec;
2915         while (n--) {
2916                 qla25xx_read_risc_sema_reg(vha, &wd32);
2917                 if (!(wd32 & RISC_SEMAPHORE_FORCE))
2918                         break;
2919                 msleep(delta_msec);
2920                 elapsed_msec += delta_msec;
2921                 if (elapsed_msec > TIMEOUT_TOTAL_ELAPSED)
2922                         goto force;
2923         }
2924
2925         if (wd32 & RISC_SEMAPHORE_FORCE)
2926                 qla25xx_write_risc_sema_reg(vha, RISC_SEMAPHORE_FORCE_CLR);
2927
2928         goto attempt;
2929
2930 force:
2931         qla25xx_write_risc_sema_reg(vha, RISC_SEMAPHORE_FORCE_SET);
2932
2933 acquired:
2934         return;
2935 }
2936
2937 /**
2938  * qla24xx_reset_chip() - Reset ISP24xx chip.
2939  * @vha: HA context
2940  *
2941  * Returns 0 on success.
2942  */
2943 int
2944 qla24xx_reset_chip(scsi_qla_host_t *vha)
2945 {
2946         struct qla_hw_data *ha = vha->hw;
2947         int rval = QLA_FUNCTION_FAILED;
2948
2949         if (pci_channel_offline(ha->pdev) &&
2950             ha->flags.pci_channel_io_perm_failure) {
2951                 return rval;
2952         }
2953
2954         ha->isp_ops->disable_intrs(ha);
2955
2956         qla25xx_manipulate_risc_semaphore(vha);
2957
2958         /* Perform RISC reset. */
2959         rval = qla24xx_reset_risc(vha);
2960
2961         return rval;
2962 }
2963
2964 /**
2965  * qla2x00_chip_diag() - Test chip for proper operation.
2966  * @vha: HA context
2967  *
2968  * Returns 0 on success.
2969  */
2970 int
2971 qla2x00_chip_diag(scsi_qla_host_t *vha)
2972 {
2973         int             rval;
2974         struct qla_hw_data *ha = vha->hw;
2975         struct device_reg_2xxx __iomem *reg = &ha->iobase->isp;
2976         unsigned long   flags = 0;
2977         uint16_t        data;
2978         uint32_t        cnt;
2979         uint16_t        mb[5];
2980         struct req_que *req = ha->req_q_map[0];
2981
2982         /* Assume a failed state */
2983         rval = QLA_FUNCTION_FAILED;
2984
2985         ql_dbg(ql_dbg_init, vha, 0x007b, "Testing device at %p.\n",
2986                &reg->flash_address);
2987
2988         spin_lock_irqsave(&ha->hardware_lock, flags);
2989
2990         /* Reset ISP chip. */
2991         wrt_reg_word(&reg->ctrl_status, CSR_ISP_SOFT_RESET);
2992
2993         /*
2994          * We need to have a delay here since the card will not respond while
2995          * in reset causing an MCA on some architectures.
2996          */
2997         udelay(20);
2998         data = qla2x00_debounce_register(&reg->ctrl_status);
2999         for (cnt = 6000000 ; cnt && (data & CSR_ISP_SOFT_RESET); cnt--) {
3000                 udelay(5);
3001                 data = rd_reg_word(&reg->ctrl_status);
3002                 barrier();
3003         }
3004
3005         if (!cnt)
3006                 goto chip_diag_failed;
3007
3008         ql_dbg(ql_dbg_init, vha, 0x007c,
3009             "Reset register cleared by chip reset.\n");
3010
3011         /* Reset RISC processor. */
3012         wrt_reg_word(&reg->hccr, HCCR_RESET_RISC);
3013         wrt_reg_word(&reg->hccr, HCCR_RELEASE_RISC);
3014
3015         /* Workaround for QLA2312 PCI parity error */
3016         if (IS_QLA2100(ha) || IS_QLA2200(ha) || IS_QLA2300(ha)) {
3017                 data = qla2x00_debounce_register(MAILBOX_REG(ha, reg, 0));
3018                 for (cnt = 6000000; cnt && (data == MBS_BUSY); cnt--) {
3019                         udelay(5);
3020                         data = RD_MAILBOX_REG(ha, reg, 0);
3021                         barrier();
3022                 }
3023         } else
3024                 udelay(10);
3025
3026         if (!cnt)
3027                 goto chip_diag_failed;
3028
3029         /* Check product ID of chip */
3030         ql_dbg(ql_dbg_init, vha, 0x007d, "Checking product ID of chip.\n");
3031
3032         mb[1] = RD_MAILBOX_REG(ha, reg, 1);
3033         mb[2] = RD_MAILBOX_REG(ha, reg, 2);
3034         mb[3] = RD_MAILBOX_REG(ha, reg, 3);
3035         mb[4] = qla2x00_debounce_register(MAILBOX_REG(ha, reg, 4));
3036         if (mb[1] != PROD_ID_1 || (mb[2] != PROD_ID_2 && mb[2] != PROD_ID_2a) ||
3037             mb[3] != PROD_ID_3) {
3038                 ql_log(ql_log_warn, vha, 0x0062,
3039                     "Wrong product ID = 0x%x,0x%x,0x%x.\n",
3040                     mb[1], mb[2], mb[3]);
3041
3042                 goto chip_diag_failed;
3043         }
3044         ha->product_id[0] = mb[1];
3045         ha->product_id[1] = mb[2];
3046         ha->product_id[2] = mb[3];
3047         ha->product_id[3] = mb[4];
3048
3049         /* Adjust fw RISC transfer size */
3050         if (req->length > 1024)
3051                 ha->fw_transfer_size = REQUEST_ENTRY_SIZE * 1024;
3052         else
3053                 ha->fw_transfer_size = REQUEST_ENTRY_SIZE *
3054                     req->length;
3055
3056         if (IS_QLA2200(ha) &&
3057             RD_MAILBOX_REG(ha, reg, 7) == QLA2200A_RISC_ROM_VER) {
3058                 /* Limit firmware transfer size with a 2200A */
3059                 ql_dbg(ql_dbg_init, vha, 0x007e, "Found QLA2200A Chip.\n");
3060
3061                 ha->device_type |= DT_ISP2200A;
3062                 ha->fw_transfer_size = 128;
3063         }
3064
3065         /* Wrap Incoming Mailboxes Test. */
3066         spin_unlock_irqrestore(&ha->hardware_lock, flags);
3067
3068         ql_dbg(ql_dbg_init, vha, 0x007f, "Checking mailboxes.\n");
3069         rval = qla2x00_mbx_reg_test(vha);
3070         if (rval)
3071                 ql_log(ql_log_warn, vha, 0x0080,
3072                     "Failed mailbox send register test.\n");
3073         else
3074                 /* Flag a successful rval */
3075                 rval = QLA_SUCCESS;
3076         spin_lock_irqsave(&ha->hardware_lock, flags);
3077
3078 chip_diag_failed:
3079         if (rval)
3080                 ql_log(ql_log_info, vha, 0x0081,
3081                     "Chip diagnostics **** FAILED ****.\n");
3082
3083         spin_unlock_irqrestore(&ha->hardware_lock, flags);
3084
3085         return (rval);
3086 }
3087
3088 /**
3089  * qla24xx_chip_diag() - Test ISP24xx for proper operation.
3090  * @vha: HA context
3091  *
3092  * Returns 0 on success.
3093  */
3094 int
3095 qla24xx_chip_diag(scsi_qla_host_t *vha)
3096 {
3097         int rval;
3098         struct qla_hw_data *ha = vha->hw;
3099         struct req_que *req = ha->req_q_map[0];
3100
3101         if (IS_P3P_TYPE(ha))
3102                 return QLA_SUCCESS;
3103
3104         ha->fw_transfer_size = REQUEST_ENTRY_SIZE * req->length;
3105
3106         rval = qla2x00_mbx_reg_test(vha);
3107         if (rval) {
3108                 ql_log(ql_log_warn, vha, 0x0082,
3109                     "Failed mailbox send register test.\n");
3110         } else {
3111                 /* Flag a successful rval */
3112                 rval = QLA_SUCCESS;
3113         }
3114
3115         return rval;
3116 }
3117
3118 static void
3119 qla2x00_init_fce_trace(scsi_qla_host_t *vha)
3120 {
3121         int rval;
3122         dma_addr_t tc_dma;
3123         void *tc;
3124         struct qla_hw_data *ha = vha->hw;
3125
3126         if (!IS_FWI2_CAPABLE(ha))
3127                 return;
3128
3129         if (!IS_QLA25XX(ha) && !IS_QLA81XX(ha) && !IS_QLA83XX(ha) &&
3130             !IS_QLA27XX(ha) && !IS_QLA28XX(ha))
3131                 return;
3132
3133         if (ha->fce) {
3134                 ql_dbg(ql_dbg_init, vha, 0x00bd,
3135                        "%s: FCE Mem is already allocated.\n",
3136                        __func__);
3137                 return;
3138         }
3139
3140         /* Allocate memory for Fibre Channel Event Buffer. */
3141         tc = dma_alloc_coherent(&ha->pdev->dev, FCE_SIZE, &tc_dma,
3142                                 GFP_KERNEL);
3143         if (!tc) {
3144                 ql_log(ql_log_warn, vha, 0x00be,
3145                        "Unable to allocate (%d KB) for FCE.\n",
3146                        FCE_SIZE / 1024);
3147                 return;
3148         }
3149
3150         rval = qla2x00_enable_fce_trace(vha, tc_dma, FCE_NUM_BUFFERS,
3151                                         ha->fce_mb, &ha->fce_bufs);
3152         if (rval) {
3153                 ql_log(ql_log_warn, vha, 0x00bf,
3154                        "Unable to initialize FCE (%d).\n", rval);
3155                 dma_free_coherent(&ha->pdev->dev, FCE_SIZE, tc, tc_dma);
3156                 return;
3157         }
3158
3159         ql_dbg(ql_dbg_init, vha, 0x00c0,
3160                "Allocated (%d KB) for FCE...\n", FCE_SIZE / 1024);
3161
3162         ha->flags.fce_enabled = 1;
3163         ha->fce_dma = tc_dma;
3164         ha->fce = tc;
3165 }
3166
3167 static void
3168 qla2x00_init_eft_trace(scsi_qla_host_t *vha)
3169 {
3170         int rval;
3171         dma_addr_t tc_dma;
3172         void *tc;
3173         struct qla_hw_data *ha = vha->hw;
3174
3175         if (!IS_FWI2_CAPABLE(ha))
3176                 return;
3177
3178         if (ha->eft) {
3179                 ql_dbg(ql_dbg_init, vha, 0x00bd,
3180                     "%s: EFT Mem is already allocated.\n",
3181                     __func__);
3182                 return;
3183         }
3184
3185         /* Allocate memory for Extended Trace Buffer. */
3186         tc = dma_alloc_coherent(&ha->pdev->dev, EFT_SIZE, &tc_dma,
3187                                 GFP_KERNEL);
3188         if (!tc) {
3189                 ql_log(ql_log_warn, vha, 0x00c1,
3190                        "Unable to allocate (%d KB) for EFT.\n",
3191                        EFT_SIZE / 1024);
3192                 return;
3193         }
3194
3195         rval = qla2x00_enable_eft_trace(vha, tc_dma, EFT_NUM_BUFFERS);
3196         if (rval) {
3197                 ql_log(ql_log_warn, vha, 0x00c2,
3198                        "Unable to initialize EFT (%d).\n", rval);
3199                 dma_free_coherent(&ha->pdev->dev, EFT_SIZE, tc, tc_dma);
3200                 return;
3201         }
3202
3203         ql_dbg(ql_dbg_init, vha, 0x00c3,
3204                "Allocated (%d KB) EFT ...\n", EFT_SIZE / 1024);
3205
3206         ha->eft_dma = tc_dma;
3207         ha->eft = tc;
3208 }
3209
3210 static void
3211 qla2x00_alloc_offload_mem(scsi_qla_host_t *vha)
3212 {
3213         qla2x00_init_fce_trace(vha);
3214         qla2x00_init_eft_trace(vha);
3215 }
3216
3217 void
3218 qla2x00_alloc_fw_dump(scsi_qla_host_t *vha)
3219 {
3220         uint32_t dump_size, fixed_size, mem_size, req_q_size, rsp_q_size,
3221             eft_size, fce_size, mq_size;
3222         struct qla_hw_data *ha = vha->hw;
3223         struct req_que *req = ha->req_q_map[0];
3224         struct rsp_que *rsp = ha->rsp_q_map[0];
3225         struct qla2xxx_fw_dump *fw_dump;
3226
3227         dump_size = fixed_size = mem_size = eft_size = fce_size = mq_size = 0;
3228         req_q_size = rsp_q_size = 0;
3229
3230         if (IS_QLA2100(ha) || IS_QLA2200(ha)) {
3231                 fixed_size = sizeof(struct qla2100_fw_dump);
3232         } else if (IS_QLA23XX(ha)) {
3233                 fixed_size = offsetof(struct qla2300_fw_dump, data_ram);
3234                 mem_size = (ha->fw_memory_size - 0x11000 + 1) *
3235                     sizeof(uint16_t);
3236         } else if (IS_FWI2_CAPABLE(ha)) {
3237                 if (IS_QLA83XX(ha) || IS_QLA27XX(ha) || IS_QLA28XX(ha))
3238                         fixed_size = offsetof(struct qla83xx_fw_dump, ext_mem);
3239                 else if (IS_QLA81XX(ha))
3240                         fixed_size = offsetof(struct qla81xx_fw_dump, ext_mem);
3241                 else if (IS_QLA25XX(ha))
3242                         fixed_size = offsetof(struct qla25xx_fw_dump, ext_mem);
3243                 else
3244                         fixed_size = offsetof(struct qla24xx_fw_dump, ext_mem);
3245
3246                 mem_size = (ha->fw_memory_size - 0x100000 + 1) *
3247                     sizeof(uint32_t);
3248                 if (ha->mqenable) {
3249                         if (!IS_QLA83XX(ha) && !IS_QLA27XX(ha) &&
3250                             !IS_QLA28XX(ha))
3251                                 mq_size = sizeof(struct qla2xxx_mq_chain);
3252                         /*
3253                          * Allocate maximum buffer size for all queues - Q0.
3254                          * Resizing must be done at end-of-dump processing.
3255                          */
3256                         mq_size += (ha->max_req_queues - 1) *
3257                             (req->length * sizeof(request_t));
3258                         mq_size += (ha->max_rsp_queues - 1) *
3259                             (rsp->length * sizeof(response_t));
3260                 }
3261                 if (ha->tgt.atio_ring)
3262                         mq_size += ha->tgt.atio_q_length * sizeof(request_t);
3263
3264                 qla2x00_init_fce_trace(vha);
3265                 if (ha->fce)
3266                         fce_size = sizeof(struct qla2xxx_fce_chain) + FCE_SIZE;
3267                 qla2x00_init_eft_trace(vha);
3268                 if (ha->eft)
3269                         eft_size = EFT_SIZE;
3270         }
3271
3272         if (IS_QLA27XX(ha) || IS_QLA28XX(ha)) {
3273                 struct fwdt *fwdt = ha->fwdt;
3274                 uint j;
3275
3276                 for (j = 0; j < 2; j++, fwdt++) {
3277                         if (!fwdt->template) {
3278                                 ql_dbg(ql_dbg_init, vha, 0x00ba,
3279                                     "-> fwdt%u no template\n", j);
3280                                 continue;
3281                         }
3282                         ql_dbg(ql_dbg_init, vha, 0x00fa,
3283                             "-> fwdt%u calculating fwdump size...\n", j);
3284                         fwdt->dump_size = qla27xx_fwdt_calculate_dump_size(
3285                             vha, fwdt->template);
3286                         ql_dbg(ql_dbg_init, vha, 0x00fa,
3287                             "-> fwdt%u calculated fwdump size = %#lx bytes\n",
3288                             j, fwdt->dump_size);
3289                         dump_size += fwdt->dump_size;
3290                 }
3291         } else {
3292                 req_q_size = req->length * sizeof(request_t);
3293                 rsp_q_size = rsp->length * sizeof(response_t);
3294                 dump_size = offsetof(struct qla2xxx_fw_dump, isp);
3295                 dump_size += fixed_size + mem_size + req_q_size + rsp_q_size
3296                         + eft_size;
3297                 ha->chain_offset = dump_size;
3298                 dump_size += mq_size + fce_size;
3299                 if (ha->exchoffld_buf)
3300                         dump_size += sizeof(struct qla2xxx_offld_chain) +
3301                                 ha->exchoffld_size;
3302                 if (ha->exlogin_buf)
3303                         dump_size += sizeof(struct qla2xxx_offld_chain) +
3304                                 ha->exlogin_size;
3305         }
3306
3307         if (!ha->fw_dump_len || dump_size > ha->fw_dump_alloc_len) {
3308
3309                 ql_dbg(ql_dbg_init, vha, 0x00c5,
3310                     "%s dump_size %d fw_dump_len %d fw_dump_alloc_len %d\n",
3311                     __func__, dump_size, ha->fw_dump_len,
3312                     ha->fw_dump_alloc_len);
3313
3314                 fw_dump = vmalloc(dump_size);
3315                 if (!fw_dump) {
3316                         ql_log(ql_log_warn, vha, 0x00c4,
3317                             "Unable to allocate (%d KB) for firmware dump.\n",
3318                             dump_size / 1024);
3319                 } else {
3320                         mutex_lock(&ha->optrom_mutex);
3321                         if (ha->fw_dumped) {
3322                                 memcpy(fw_dump, ha->fw_dump, ha->fw_dump_len);
3323                                 vfree(ha->fw_dump);
3324                                 ha->fw_dump = fw_dump;
3325                                 ha->fw_dump_alloc_len =  dump_size;
3326                                 ql_dbg(ql_dbg_init, vha, 0x00c5,
3327                                     "Re-Allocated (%d KB) and save firmware dump.\n",
3328                                     dump_size / 1024);
3329                         } else {
3330                                 if (ha->fw_dump)
3331                                         vfree(ha->fw_dump);
3332                                 ha->fw_dump = fw_dump;
3333
3334                                 ha->fw_dump_len = ha->fw_dump_alloc_len =
3335                                     dump_size;
3336                                 ql_dbg(ql_dbg_init, vha, 0x00c5,
3337                                     "Allocated (%d KB) for firmware dump.\n",
3338                                     dump_size / 1024);
3339
3340                                 if (IS_QLA27XX(ha) || IS_QLA28XX(ha)) {
3341                                         ha->mpi_fw_dump = (char *)fw_dump +
3342                                                 ha->fwdt[1].dump_size;
3343                                         mutex_unlock(&ha->optrom_mutex);
3344                                         return;
3345                                 }
3346
3347                                 ha->fw_dump->signature[0] = 'Q';
3348                                 ha->fw_dump->signature[1] = 'L';
3349                                 ha->fw_dump->signature[2] = 'G';
3350                                 ha->fw_dump->signature[3] = 'C';
3351                                 ha->fw_dump->version = htonl(1);
3352
3353                                 ha->fw_dump->fixed_size = htonl(fixed_size);
3354                                 ha->fw_dump->mem_size = htonl(mem_size);
3355                                 ha->fw_dump->req_q_size = htonl(req_q_size);
3356                                 ha->fw_dump->rsp_q_size = htonl(rsp_q_size);
3357
3358                                 ha->fw_dump->eft_size = htonl(eft_size);
3359                                 ha->fw_dump->eft_addr_l =
3360                                     htonl(LSD(ha->eft_dma));
3361                                 ha->fw_dump->eft_addr_h =
3362                                     htonl(MSD(ha->eft_dma));
3363
3364                                 ha->fw_dump->header_size =
3365                                         htonl(offsetof
3366                                             (struct qla2xxx_fw_dump, isp));
3367                         }
3368                         mutex_unlock(&ha->optrom_mutex);
3369                 }
3370         }
3371 }
3372
3373 static int
3374 qla81xx_mpi_sync(scsi_qla_host_t *vha)
3375 {
3376 #define MPS_MASK        0xe0
3377         int rval;
3378         uint16_t dc;
3379         uint32_t dw;
3380
3381         if (!IS_QLA81XX(vha->hw))
3382                 return QLA_SUCCESS;
3383
3384         rval = qla2x00_write_ram_word(vha, 0x7c00, 1);
3385         if (rval != QLA_SUCCESS) {
3386                 ql_log(ql_log_warn, vha, 0x0105,
3387                     "Unable to acquire semaphore.\n");
3388                 goto done;
3389         }
3390
3391         pci_read_config_word(vha->hw->pdev, 0x54, &dc);
3392         rval = qla2x00_read_ram_word(vha, 0x7a15, &dw);
3393         if (rval != QLA_SUCCESS) {
3394                 ql_log(ql_log_warn, vha, 0x0067, "Unable to read sync.\n");
3395                 goto done_release;
3396         }
3397
3398         dc &= MPS_MASK;
3399         if (dc == (dw & MPS_MASK))
3400                 goto done_release;
3401
3402         dw &= ~MPS_MASK;
3403         dw |= dc;
3404         rval = qla2x00_write_ram_word(vha, 0x7a15, dw);
3405         if (rval != QLA_SUCCESS) {
3406                 ql_log(ql_log_warn, vha, 0x0114, "Unable to gain sync.\n");
3407         }
3408
3409 done_release:
3410         rval = qla2x00_write_ram_word(vha, 0x7c00, 0);
3411         if (rval != QLA_SUCCESS) {
3412                 ql_log(ql_log_warn, vha, 0x006d,
3413                     "Unable to release semaphore.\n");
3414         }
3415
3416 done:
3417         return rval;
3418 }
3419
3420 int
3421 qla2x00_alloc_outstanding_cmds(struct qla_hw_data *ha, struct req_que *req)
3422 {
3423         /* Don't try to reallocate the array */
3424         if (req->outstanding_cmds)
3425                 return QLA_SUCCESS;
3426
3427         if (!IS_FWI2_CAPABLE(ha))
3428                 req->num_outstanding_cmds = DEFAULT_OUTSTANDING_COMMANDS;
3429         else {
3430                 if (ha->cur_fw_xcb_count <= ha->cur_fw_iocb_count)
3431                         req->num_outstanding_cmds = ha->cur_fw_xcb_count;
3432                 else
3433                         req->num_outstanding_cmds = ha->cur_fw_iocb_count;
3434         }
3435
3436         req->outstanding_cmds = kcalloc(req->num_outstanding_cmds,
3437                                         sizeof(srb_t *),
3438                                         GFP_KERNEL);
3439
3440         if (!req->outstanding_cmds) {
3441                 /*
3442                  * Try to allocate a minimal size just so we can get through
3443                  * initialization.
3444                  */
3445                 req->num_outstanding_cmds = MIN_OUTSTANDING_COMMANDS;
3446                 req->outstanding_cmds = kcalloc(req->num_outstanding_cmds,
3447                                                 sizeof(srb_t *),
3448                                                 GFP_KERNEL);
3449
3450                 if (!req->outstanding_cmds) {
3451                         ql_log(ql_log_fatal, NULL, 0x0126,
3452                             "Failed to allocate memory for "
3453                             "outstanding_cmds for req_que %p.\n", req);
3454                         req->num_outstanding_cmds = 0;
3455                         return QLA_FUNCTION_FAILED;
3456                 }
3457         }
3458
3459         return QLA_SUCCESS;
3460 }
3461
3462 #define PRINT_FIELD(_field, _flag, _str) {              \
3463         if (a0->_field & _flag) {\
3464                 if (p) {\
3465                         strcat(ptr, "|");\
3466                         ptr++;\
3467                         leftover--;\
3468                 } \
3469                 len = snprintf(ptr, leftover, "%s", _str);      \
3470                 p = 1;\
3471                 leftover -= len;\
3472                 ptr += len; \
3473         } \
3474 }
3475
3476 static void qla2xxx_print_sfp_info(struct scsi_qla_host *vha)
3477 {
3478 #define STR_LEN 64
3479         struct sff_8247_a0 *a0 = (struct sff_8247_a0 *)vha->hw->sfp_data;
3480         u8 str[STR_LEN], *ptr, p;
3481         int leftover, len;
3482
3483         memset(str, 0, STR_LEN);
3484         snprintf(str, SFF_VEN_NAME_LEN+1, a0->vendor_name);
3485         ql_dbg(ql_dbg_init, vha, 0x015a,
3486             "SFP MFG Name: %s\n", str);
3487
3488         memset(str, 0, STR_LEN);
3489         snprintf(str, SFF_PART_NAME_LEN+1, a0->vendor_pn);
3490         ql_dbg(ql_dbg_init, vha, 0x015c,
3491             "SFP Part Name: %s\n", str);
3492
3493         /* media */
3494         memset(str, 0, STR_LEN);
3495         ptr = str;
3496         leftover = STR_LEN;
3497         p = len = 0;
3498         PRINT_FIELD(fc_med_cc9, FC_MED_TW, "Twin AX");
3499         PRINT_FIELD(fc_med_cc9, FC_MED_TP, "Twisted Pair");
3500         PRINT_FIELD(fc_med_cc9, FC_MED_MI, "Min Coax");
3501         PRINT_FIELD(fc_med_cc9, FC_MED_TV, "Video Coax");
3502         PRINT_FIELD(fc_med_cc9, FC_MED_M6, "MultiMode 62.5um");
3503         PRINT_FIELD(fc_med_cc9, FC_MED_M5, "MultiMode 50um");
3504         PRINT_FIELD(fc_med_cc9, FC_MED_SM, "SingleMode");
3505         ql_dbg(ql_dbg_init, vha, 0x0160,
3506             "SFP Media: %s\n", str);
3507
3508         /* link length */
3509         memset(str, 0, STR_LEN);
3510         ptr = str;
3511         leftover = STR_LEN;
3512         p = len = 0;
3513         PRINT_FIELD(fc_ll_cc7, FC_LL_VL, "Very Long");
3514         PRINT_FIELD(fc_ll_cc7, FC_LL_S, "Short");
3515         PRINT_FIELD(fc_ll_cc7, FC_LL_I, "Intermediate");
3516         PRINT_FIELD(fc_ll_cc7, FC_LL_L, "Long");
3517         PRINT_FIELD(fc_ll_cc7, FC_LL_M, "Medium");
3518         ql_dbg(ql_dbg_init, vha, 0x0196,
3519             "SFP Link Length: %s\n", str);
3520
3521         memset(str, 0, STR_LEN);
3522         ptr = str;
3523         leftover = STR_LEN;
3524         p = len = 0;
3525         PRINT_FIELD(fc_ll_cc7, FC_LL_SA, "Short Wave (SA)");
3526         PRINT_FIELD(fc_ll_cc7, FC_LL_LC, "Long Wave(LC)");
3527         PRINT_FIELD(fc_tec_cc8, FC_TEC_SN, "Short Wave (SN)");
3528         PRINT_FIELD(fc_tec_cc8, FC_TEC_SL, "Short Wave (SL)");
3529         PRINT_FIELD(fc_tec_cc8, FC_TEC_LL, "Long Wave (LL)");
3530         ql_dbg(ql_dbg_init, vha, 0x016e,
3531             "SFP FC Link Tech: %s\n", str);
3532
3533         if (a0->length_km)
3534                 ql_dbg(ql_dbg_init, vha, 0x016f,
3535                     "SFP Distant: %d km\n", a0->length_km);
3536         if (a0->length_100m)
3537                 ql_dbg(ql_dbg_init, vha, 0x0170,
3538                     "SFP Distant: %d m\n", a0->length_100m*100);
3539         if (a0->length_50um_10m)
3540                 ql_dbg(ql_dbg_init, vha, 0x0189,
3541                     "SFP Distant (WL=50um): %d m\n", a0->length_50um_10m * 10);
3542         if (a0->length_62um_10m)
3543                 ql_dbg(ql_dbg_init, vha, 0x018a,
3544                   "SFP Distant (WL=62.5um): %d m\n", a0->length_62um_10m * 10);
3545         if (a0->length_om4_10m)
3546                 ql_dbg(ql_dbg_init, vha, 0x0194,
3547                     "SFP Distant (OM4): %d m\n", a0->length_om4_10m * 10);
3548         if (a0->length_om3_10m)
3549                 ql_dbg(ql_dbg_init, vha, 0x0195,
3550                     "SFP Distant (OM3): %d m\n", a0->length_om3_10m * 10);
3551 }
3552
3553
3554 /**
3555  * qla24xx_detect_sfp()
3556  *
3557  * @vha: adapter state pointer.
3558  *
3559  * @return
3560  *      0 -- Configure firmware to use short-range settings -- normal
3561  *           buffer-to-buffer credits.
3562  *
3563  *      1 -- Configure firmware to use long-range settings -- extra
3564  *           buffer-to-buffer credits should be allocated with
3565  *           ha->lr_distance containing distance settings from NVRAM or SFP
3566  *           (if supported).
3567  */
3568 int
3569 qla24xx_detect_sfp(scsi_qla_host_t *vha)
3570 {
3571         int rc, used_nvram;
3572         struct sff_8247_a0 *a;
3573         struct qla_hw_data *ha = vha->hw;
3574         struct nvram_81xx *nv = ha->nvram;
3575 #define LR_DISTANCE_UNKNOWN     2
3576         static const char * const types[] = { "Short", "Long" };
3577         static const char * const lengths[] = { "(10km)", "(5km)", "" };
3578         u8 ll = 0;
3579
3580         /* Seed with NVRAM settings. */
3581         used_nvram = 0;
3582         ha->flags.lr_detected = 0;
3583         if (IS_BPM_RANGE_CAPABLE(ha) &&
3584             (nv->enhanced_features & NEF_LR_DIST_ENABLE)) {
3585                 used_nvram = 1;
3586                 ha->flags.lr_detected = 1;
3587                 ha->lr_distance =
3588                     (nv->enhanced_features >> LR_DIST_NV_POS)
3589                      & LR_DIST_NV_MASK;
3590         }
3591
3592         if (!IS_BPM_ENABLED(vha))
3593                 goto out;
3594         /* Determine SR/LR capabilities of SFP/Transceiver. */
3595         rc = qla2x00_read_sfp_dev(vha, NULL, 0);
3596         if (rc)
3597                 goto out;
3598
3599         used_nvram = 0;
3600         a = (struct sff_8247_a0 *)vha->hw->sfp_data;
3601         qla2xxx_print_sfp_info(vha);
3602
3603         ha->flags.lr_detected = 0;
3604         ll = a->fc_ll_cc7;
3605         if (ll & FC_LL_VL || ll & FC_LL_L) {
3606                 /* Long range, track length. */
3607                 ha->flags.lr_detected = 1;
3608
3609                 if (a->length_km > 5 || a->length_100m > 50)
3610                         ha->lr_distance = LR_DISTANCE_10K;
3611                 else
3612                         ha->lr_distance = LR_DISTANCE_5K;
3613         }
3614
3615 out:
3616         ql_dbg(ql_dbg_async, vha, 0x507b,
3617             "SFP detect: %s-Range SFP %s (nvr=%x ll=%x lr=%x lrd=%x).\n",
3618             types[ha->flags.lr_detected],
3619             ha->flags.lr_detected ? lengths[ha->lr_distance] :
3620                lengths[LR_DISTANCE_UNKNOWN],
3621             used_nvram, ll, ha->flags.lr_detected, ha->lr_distance);
3622         return ha->flags.lr_detected;
3623 }
3624
3625 /**
3626  * qla2x00_setup_chip() - Load and start RISC firmware.
3627  * @vha: HA context
3628  *
3629  * Returns 0 on success.
3630  */
3631 static int
3632 qla2x00_setup_chip(scsi_qla_host_t *vha)
3633 {
3634         int rval;
3635         uint32_t srisc_address = 0;
3636         struct qla_hw_data *ha = vha->hw;
3637         struct device_reg_2xxx __iomem *reg = &ha->iobase->isp;
3638         unsigned long flags;
3639         uint16_t fw_major_version;
3640         int done_once = 0;
3641
3642         if (IS_P3P_TYPE(ha)) {
3643                 rval = ha->isp_ops->load_risc(vha, &srisc_address);
3644                 if (rval == QLA_SUCCESS) {
3645                         qla2x00_stop_firmware(vha);
3646                         goto enable_82xx_npiv;
3647                 } else
3648                         goto failed;
3649         }
3650
3651         if (!IS_FWI2_CAPABLE(ha) && !IS_QLA2100(ha) && !IS_QLA2200(ha)) {
3652                 /* Disable SRAM, Instruction RAM and GP RAM parity.  */
3653                 spin_lock_irqsave(&ha->hardware_lock, flags);
3654                 wrt_reg_word(&reg->hccr, (HCCR_ENABLE_PARITY + 0x0));
3655                 rd_reg_word(&reg->hccr);
3656                 spin_unlock_irqrestore(&ha->hardware_lock, flags);
3657         }
3658
3659         qla81xx_mpi_sync(vha);
3660
3661 execute_fw_with_lr:
3662         /* Load firmware sequences */
3663         rval = ha->isp_ops->load_risc(vha, &srisc_address);
3664         if (rval == QLA_SUCCESS) {
3665                 ql_dbg(ql_dbg_init, vha, 0x00c9,
3666                     "Verifying Checksum of loaded RISC code.\n");
3667
3668                 rval = qla2x00_verify_checksum(vha, srisc_address);
3669                 if (rval == QLA_SUCCESS) {
3670                         /* Start firmware execution. */
3671                         ql_dbg(ql_dbg_init, vha, 0x00ca,
3672                             "Starting firmware.\n");
3673
3674                         if (ql2xexlogins)
3675                                 ha->flags.exlogins_enabled = 1;
3676
3677                         if (qla_is_exch_offld_enabled(vha))
3678                                 ha->flags.exchoffld_enabled = 1;
3679
3680                         rval = qla2x00_execute_fw(vha, srisc_address);
3681                         /* Retrieve firmware information. */
3682                         if (rval == QLA_SUCCESS) {
3683                                 /* Enable BPM support? */
3684                                 if (!done_once++ && qla24xx_detect_sfp(vha)) {
3685                                         ql_dbg(ql_dbg_init, vha, 0x00ca,
3686                                             "Re-starting firmware -- BPM.\n");
3687                                         /* Best-effort - re-init. */
3688                                         ha->isp_ops->reset_chip(vha);
3689                                         ha->isp_ops->chip_diag(vha);
3690                                         goto execute_fw_with_lr;
3691                                 }
3692
3693                                 if ((IS_QLA83XX(ha) || IS_QLA27XX(ha) ||
3694                                     IS_QLA28XX(ha)) &&
3695                                     (ha->zio_mode == QLA_ZIO_MODE_6))
3696                                         qla27xx_set_zio_threshold(vha,
3697                                             ha->last_zio_threshold);
3698
3699                                 rval = qla2x00_set_exlogins_buffer(vha);
3700                                 if (rval != QLA_SUCCESS)
3701                                         goto failed;
3702
3703                                 rval = qla2x00_set_exchoffld_buffer(vha);
3704                                 if (rval != QLA_SUCCESS)
3705                                         goto failed;
3706
3707 enable_82xx_npiv:
3708                                 fw_major_version = ha->fw_major_version;
3709                                 if (IS_P3P_TYPE(ha))
3710                                         qla82xx_check_md_needed(vha);
3711                                 else
3712                                         rval = qla2x00_get_fw_version(vha);
3713                                 if (rval != QLA_SUCCESS)
3714                                         goto failed;
3715                                 ha->flags.npiv_supported = 0;
3716                                 if (IS_QLA2XXX_MIDTYPE(ha) &&
3717                                          (ha->fw_attributes & BIT_2)) {
3718                                         ha->flags.npiv_supported = 1;
3719                                         if ((!ha->max_npiv_vports) ||
3720                                             ((ha->max_npiv_vports + 1) %
3721                                             MIN_MULTI_ID_FABRIC))
3722                                                 ha->max_npiv_vports =
3723                                                     MIN_MULTI_ID_FABRIC - 1;
3724                                 }
3725                                 qla2x00_get_resource_cnts(vha);
3726
3727                                 /*
3728                                  * Allocate the array of outstanding commands
3729                                  * now that we know the firmware resources.
3730                                  */
3731                                 rval = qla2x00_alloc_outstanding_cmds(ha,
3732                                     vha->req);
3733                                 if (rval != QLA_SUCCESS)
3734                                         goto failed;
3735
3736                                 if (!fw_major_version && !(IS_P3P_TYPE(ha)))
3737                                         qla2x00_alloc_offload_mem(vha);
3738
3739                                 if (ql2xallocfwdump && !(IS_P3P_TYPE(ha)))
3740                                         qla2x00_alloc_fw_dump(vha);
3741
3742                         } else {
3743                                 goto failed;
3744                         }
3745                 } else {
3746                         ql_log(ql_log_fatal, vha, 0x00cd,
3747                             "ISP Firmware failed checksum.\n");
3748                         goto failed;
3749                 }
3750
3751                 /* Enable PUREX PASSTHRU */
3752                 if (ql2xrdpenable || ha->flags.scm_supported_f)
3753                         qla25xx_set_els_cmds_supported(vha);
3754         } else
3755                 goto failed;
3756
3757         if (!IS_FWI2_CAPABLE(ha) && !IS_QLA2100(ha) && !IS_QLA2200(ha)) {
3758                 /* Enable proper parity. */
3759                 spin_lock_irqsave(&ha->hardware_lock, flags);
3760                 if (IS_QLA2300(ha))
3761                         /* SRAM parity */
3762                         wrt_reg_word(&reg->hccr, HCCR_ENABLE_PARITY + 0x1);
3763                 else
3764                         /* SRAM, Instruction RAM and GP RAM parity */
3765                         wrt_reg_word(&reg->hccr, HCCR_ENABLE_PARITY + 0x7);
3766                 rd_reg_word(&reg->hccr);
3767                 spin_unlock_irqrestore(&ha->hardware_lock, flags);
3768         }
3769
3770         if (IS_QLA27XX(ha) || IS_QLA28XX(ha))
3771                 ha->flags.fac_supported = 1;
3772         else if (rval == QLA_SUCCESS && IS_FAC_REQUIRED(ha)) {
3773                 uint32_t size;
3774
3775                 rval = qla81xx_fac_get_sector_size(vha, &size);
3776                 if (rval == QLA_SUCCESS) {
3777                         ha->flags.fac_supported = 1;
3778                         ha->fdt_block_size = size << 2;
3779                 } else {
3780                         ql_log(ql_log_warn, vha, 0x00ce,
3781                             "Unsupported FAC firmware (%d.%02d.%02d).\n",
3782                             ha->fw_major_version, ha->fw_minor_version,
3783                             ha->fw_subminor_version);
3784
3785                         if (IS_QLA83XX(ha) || IS_QLA27XX(ha) ||
3786                             IS_QLA28XX(ha)) {
3787                                 ha->flags.fac_supported = 0;
3788                                 rval = QLA_SUCCESS;
3789                         }
3790                 }
3791         }
3792 failed:
3793         if (rval) {
3794                 ql_log(ql_log_fatal, vha, 0x00cf,
3795                     "Setup chip ****FAILED****.\n");
3796         }
3797
3798         return (rval);
3799 }
3800
3801 /**
3802  * qla2x00_init_response_q_entries() - Initializes response queue entries.
3803  * @rsp: response queue
3804  *
3805  * Beginning of request ring has initialization control block already built
3806  * by nvram config routine.
3807  *
3808  * Returns 0 on success.
3809  */
3810 void
3811 qla2x00_init_response_q_entries(struct rsp_que *rsp)
3812 {
3813         uint16_t cnt;
3814         response_t *pkt;
3815
3816         rsp->ring_ptr = rsp->ring;
3817         rsp->ring_index    = 0;
3818         rsp->status_srb = NULL;
3819         pkt = rsp->ring_ptr;
3820         for (cnt = 0; cnt < rsp->length; cnt++) {
3821                 pkt->signature = RESPONSE_PROCESSED;
3822                 pkt++;
3823         }
3824 }
3825
3826 /**
3827  * qla2x00_update_fw_options() - Read and process firmware options.
3828  * @vha: HA context
3829  *
3830  * Returns 0 on success.
3831  */
3832 void
3833 qla2x00_update_fw_options(scsi_qla_host_t *vha)
3834 {
3835         uint16_t swing, emphasis, tx_sens, rx_sens;
3836         struct qla_hw_data *ha = vha->hw;
3837
3838         memset(ha->fw_options, 0, sizeof(ha->fw_options));
3839         qla2x00_get_fw_options(vha, ha->fw_options);
3840
3841         if (IS_QLA2100(ha) || IS_QLA2200(ha))
3842                 return;
3843
3844         /* Serial Link options. */
3845         ql_dbg(ql_dbg_init + ql_dbg_buffer, vha, 0x0115,
3846             "Serial link options.\n");
3847         ql_dump_buffer(ql_dbg_init + ql_dbg_buffer, vha, 0x0109,
3848             ha->fw_seriallink_options, sizeof(ha->fw_seriallink_options));
3849
3850         ha->fw_options[1] &= ~FO1_SET_EMPHASIS_SWING;
3851         if (ha->fw_seriallink_options[3] & BIT_2) {
3852                 ha->fw_options[1] |= FO1_SET_EMPHASIS_SWING;
3853
3854                 /*  1G settings */
3855                 swing = ha->fw_seriallink_options[2] & (BIT_2 | BIT_1 | BIT_0);
3856                 emphasis = (ha->fw_seriallink_options[2] &
3857                     (BIT_4 | BIT_3)) >> 3;
3858                 tx_sens = ha->fw_seriallink_options[0] &
3859                     (BIT_3 | BIT_2 | BIT_1 | BIT_0);
3860                 rx_sens = (ha->fw_seriallink_options[0] &
3861                     (BIT_7 | BIT_6 | BIT_5 | BIT_4)) >> 4;
3862                 ha->fw_options[10] = (emphasis << 14) | (swing << 8);
3863                 if (IS_QLA2300(ha) || IS_QLA2312(ha) || IS_QLA6312(ha)) {
3864                         if (rx_sens == 0x0)
3865                                 rx_sens = 0x3;
3866                         ha->fw_options[10] |= (tx_sens << 4) | rx_sens;
3867                 } else if (IS_QLA2322(ha) || IS_QLA6322(ha))
3868                         ha->fw_options[10] |= BIT_5 |
3869                             ((rx_sens & (BIT_1 | BIT_0)) << 2) |
3870                             (tx_sens & (BIT_1 | BIT_0));
3871
3872                 /*  2G settings */
3873                 swing = (ha->fw_seriallink_options[2] &
3874                     (BIT_7 | BIT_6 | BIT_5)) >> 5;
3875                 emphasis = ha->fw_seriallink_options[3] & (BIT_1 | BIT_0);
3876                 tx_sens = ha->fw_seriallink_options[1] &
3877                     (BIT_3 | BIT_2 | BIT_1 | BIT_0);
3878                 rx_sens = (ha->fw_seriallink_options[1] &
3879                     (BIT_7 | BIT_6 | BIT_5 | BIT_4)) >> 4;
3880                 ha->fw_options[11] = (emphasis << 14) | (swing << 8);
3881                 if (IS_QLA2300(ha) || IS_QLA2312(ha) || IS_QLA6312(ha)) {
3882                         if (rx_sens == 0x0)
3883                                 rx_sens = 0x3;
3884                         ha->fw_options[11] |= (tx_sens << 4) | rx_sens;
3885                 } else if (IS_QLA2322(ha) || IS_QLA6322(ha))
3886                         ha->fw_options[11] |= BIT_5 |
3887                             ((rx_sens & (BIT_1 | BIT_0)) << 2) |
3888                             (tx_sens & (BIT_1 | BIT_0));
3889         }
3890
3891         /* FCP2 options. */
3892         /*  Return command IOCBs without waiting for an ABTS to complete. */
3893         ha->fw_options[3] |= BIT_13;
3894
3895         /* LED scheme. */
3896         if (ha->flags.enable_led_scheme)
3897                 ha->fw_options[2] |= BIT_12;
3898
3899         /* Detect ISP6312. */
3900         if (IS_QLA6312(ha))
3901                 ha->fw_options[2] |= BIT_13;
3902
3903         /* Set Retry FLOGI in case of P2P connection */
3904         if (ha->operating_mode == P2P) {
3905                 ha->fw_options[2] |= BIT_3;
3906                 ql_dbg(ql_dbg_disc, vha, 0x2100,
3907                     "(%s): Setting FLOGI retry BIT in fw_options[2]: 0x%x\n",
3908                         __func__, ha->fw_options[2]);
3909         }
3910
3911         /* Update firmware options. */
3912         qla2x00_set_fw_options(vha, ha->fw_options);
3913 }
3914
3915 void
3916 qla24xx_update_fw_options(scsi_qla_host_t *vha)
3917 {
3918         int rval;
3919         struct qla_hw_data *ha = vha->hw;
3920
3921         if (IS_P3P_TYPE(ha))
3922                 return;
3923
3924         /*  Hold status IOCBs until ABTS response received. */
3925         if (ql2xfwholdabts)
3926                 ha->fw_options[3] |= BIT_12;
3927
3928         /* Set Retry FLOGI in case of P2P connection */
3929         if (ha->operating_mode == P2P) {
3930                 ha->fw_options[2] |= BIT_3;
3931                 ql_dbg(ql_dbg_disc, vha, 0x2101,
3932                     "(%s): Setting FLOGI retry BIT in fw_options[2]: 0x%x\n",
3933                         __func__, ha->fw_options[2]);
3934         }
3935
3936         /* Move PUREX, ABTS RX & RIDA to ATIOQ */
3937         if (ql2xmvasynctoatio &&
3938             (IS_QLA83XX(ha) || IS_QLA27XX(ha) || IS_QLA28XX(ha))) {
3939                 if (qla_tgt_mode_enabled(vha) ||
3940                     qla_dual_mode_enabled(vha))
3941                         ha->fw_options[2] |= BIT_11;
3942                 else
3943                         ha->fw_options[2] &= ~BIT_11;
3944         }
3945
3946         if (IS_QLA25XX(ha) || IS_QLA83XX(ha) || IS_QLA27XX(ha) ||
3947             IS_QLA28XX(ha)) {
3948                 /*
3949                  * Tell FW to track each exchange to prevent
3950                  * driver from using stale exchange.
3951                  */
3952                 if (qla_tgt_mode_enabled(vha) ||
3953                     qla_dual_mode_enabled(vha))
3954                         ha->fw_options[2] |= BIT_4;
3955                 else
3956                         ha->fw_options[2] &= ~BIT_4;
3957
3958                 /* Reserve 1/2 of emergency exchanges for ELS.*/
3959                 if (qla2xuseresexchforels)
3960                         ha->fw_options[2] |= BIT_8;
3961                 else
3962                         ha->fw_options[2] &= ~BIT_8;
3963         }
3964
3965         if (ql2xrdpenable || ha->flags.scm_supported_f)
3966                 ha->fw_options[1] |= ADD_FO1_ENABLE_PUREX_IOCB;
3967
3968         /* Enable Async 8130/8131 events -- transceiver insertion/removal */
3969         if (IS_BPM_RANGE_CAPABLE(ha))
3970                 ha->fw_options[3] |= BIT_10;
3971
3972         ql_dbg(ql_dbg_init, vha, 0x00e8,
3973             "%s, add FW options 1-3 = 0x%04x 0x%04x 0x%04x mode %x\n",
3974             __func__, ha->fw_options[1], ha->fw_options[2],
3975             ha->fw_options[3], vha->host->active_mode);
3976
3977         if (ha->fw_options[1] || ha->fw_options[2] || ha->fw_options[3])
3978                 qla2x00_set_fw_options(vha, ha->fw_options);
3979
3980         /* Update Serial Link options. */
3981         if ((le16_to_cpu(ha->fw_seriallink_options24[0]) & BIT_0) == 0)
3982                 return;
3983
3984         rval = qla2x00_set_serdes_params(vha,
3985             le16_to_cpu(ha->fw_seriallink_options24[1]),
3986             le16_to_cpu(ha->fw_seriallink_options24[2]),
3987             le16_to_cpu(ha->fw_seriallink_options24[3]));
3988         if (rval != QLA_SUCCESS) {
3989                 ql_log(ql_log_warn, vha, 0x0104,
3990                     "Unable to update Serial Link options (%x).\n", rval);
3991         }
3992 }
3993
3994 void
3995 qla2x00_config_rings(struct scsi_qla_host *vha)
3996 {
3997         struct qla_hw_data *ha = vha->hw;
3998         struct device_reg_2xxx __iomem *reg = &ha->iobase->isp;
3999         struct req_que *req = ha->req_q_map[0];
4000         struct rsp_que *rsp = ha->rsp_q_map[0];
4001
4002         /* Setup ring parameters in initialization control block. */
4003         ha->init_cb->request_q_outpointer = cpu_to_le16(0);
4004         ha->init_cb->response_q_inpointer = cpu_to_le16(0);
4005         ha->init_cb->request_q_length = cpu_to_le16(req->length);
4006         ha->init_cb->response_q_length = cpu_to_le16(rsp->length);
4007         put_unaligned_le64(req->dma, &ha->init_cb->request_q_address);
4008         put_unaligned_le64(rsp->dma, &ha->init_cb->response_q_address);
4009
4010         wrt_reg_word(ISP_REQ_Q_IN(ha, reg), 0);
4011         wrt_reg_word(ISP_REQ_Q_OUT(ha, reg), 0);
4012         wrt_reg_word(ISP_RSP_Q_IN(ha, reg), 0);
4013         wrt_reg_word(ISP_RSP_Q_OUT(ha, reg), 0);
4014         rd_reg_word(ISP_RSP_Q_OUT(ha, reg));            /* PCI Posting. */
4015 }
4016
4017 void
4018 qla24xx_config_rings(struct scsi_qla_host *vha)
4019 {
4020         struct qla_hw_data *ha = vha->hw;
4021         device_reg_t *reg = ISP_QUE_REG(ha, 0);
4022         struct device_reg_2xxx __iomem *ioreg = &ha->iobase->isp;
4023         struct qla_msix_entry *msix;
4024         struct init_cb_24xx *icb;
4025         uint16_t rid = 0;
4026         struct req_que *req = ha->req_q_map[0];
4027         struct rsp_que *rsp = ha->rsp_q_map[0];
4028
4029         /* Setup ring parameters in initialization control block. */
4030         icb = (struct init_cb_24xx *)ha->init_cb;
4031         icb->request_q_outpointer = cpu_to_le16(0);
4032         icb->response_q_inpointer = cpu_to_le16(0);
4033         icb->request_q_length = cpu_to_le16(req->length);
4034         icb->response_q_length = cpu_to_le16(rsp->length);
4035         put_unaligned_le64(req->dma, &icb->request_q_address);
4036         put_unaligned_le64(rsp->dma, &icb->response_q_address);
4037
4038         /* Setup ATIO queue dma pointers for target mode */
4039         icb->atio_q_inpointer = cpu_to_le16(0);
4040         icb->atio_q_length = cpu_to_le16(ha->tgt.atio_q_length);
4041         put_unaligned_le64(ha->tgt.atio_dma, &icb->atio_q_address);
4042
4043         if (IS_SHADOW_REG_CAPABLE(ha))
4044                 icb->firmware_options_2 |= cpu_to_le32(BIT_30|BIT_29);
4045
4046         if (ha->mqenable || IS_QLA83XX(ha) || IS_QLA27XX(ha) ||
4047             IS_QLA28XX(ha)) {
4048                 icb->qos = cpu_to_le16(QLA_DEFAULT_QUE_QOS);
4049                 icb->rid = cpu_to_le16(rid);
4050                 if (ha->flags.msix_enabled) {
4051                         msix = &ha->msix_entries[1];
4052                         ql_dbg(ql_dbg_init, vha, 0x0019,
4053                             "Registering vector 0x%x for base que.\n",
4054                             msix->entry);
4055                         icb->msix = cpu_to_le16(msix->entry);
4056                 }
4057                 /* Use alternate PCI bus number */
4058                 if (MSB(rid))
4059                         icb->firmware_options_2 |= cpu_to_le32(BIT_19);
4060                 /* Use alternate PCI devfn */
4061                 if (LSB(rid))
4062                         icb->firmware_options_2 |= cpu_to_le32(BIT_18);
4063
4064                 /* Use Disable MSIX Handshake mode for capable adapters */
4065                 if ((ha->fw_attributes & BIT_6) && (IS_MSIX_NACK_CAPABLE(ha)) &&
4066                     (ha->flags.msix_enabled)) {
4067                         icb->firmware_options_2 &= cpu_to_le32(~BIT_22);
4068                         ha->flags.disable_msix_handshake = 1;
4069                         ql_dbg(ql_dbg_init, vha, 0x00fe,
4070                             "MSIX Handshake Disable Mode turned on.\n");
4071                 } else {
4072                         icb->firmware_options_2 |= cpu_to_le32(BIT_22);
4073                 }
4074                 icb->firmware_options_2 |= cpu_to_le32(BIT_23);
4075
4076                 wrt_reg_dword(&reg->isp25mq.req_q_in, 0);
4077                 wrt_reg_dword(&reg->isp25mq.req_q_out, 0);
4078                 wrt_reg_dword(&reg->isp25mq.rsp_q_in, 0);
4079                 wrt_reg_dword(&reg->isp25mq.rsp_q_out, 0);
4080         } else {
4081                 wrt_reg_dword(&reg->isp24.req_q_in, 0);
4082                 wrt_reg_dword(&reg->isp24.req_q_out, 0);
4083                 wrt_reg_dword(&reg->isp24.rsp_q_in, 0);
4084                 wrt_reg_dword(&reg->isp24.rsp_q_out, 0);
4085         }
4086
4087         qlt_24xx_config_rings(vha);
4088
4089         /* If the user has configured the speed, set it here */
4090         if (ha->set_data_rate) {
4091                 ql_dbg(ql_dbg_init, vha, 0x00fd,
4092                     "Speed set by user : %s Gbps \n",
4093                     qla2x00_get_link_speed_str(ha, ha->set_data_rate));
4094                 icb->firmware_options_3 = cpu_to_le32(ha->set_data_rate << 13);
4095         }
4096
4097         /* PCI posting */
4098         rd_reg_word(&ioreg->hccr);
4099 }
4100
4101 /**
4102  * qla2x00_init_rings() - Initializes firmware.
4103  * @vha: HA context
4104  *
4105  * Beginning of request ring has initialization control block already built
4106  * by nvram config routine.
4107  *
4108  * Returns 0 on success.
4109  */
4110 int
4111 qla2x00_init_rings(scsi_qla_host_t *vha)
4112 {
4113         int     rval;
4114         unsigned long flags = 0;
4115         int cnt, que;
4116         struct qla_hw_data *ha = vha->hw;
4117         struct req_que *req;
4118         struct rsp_que *rsp;
4119         struct mid_init_cb_24xx *mid_init_cb =
4120             (struct mid_init_cb_24xx *) ha->init_cb;
4121
4122         spin_lock_irqsave(&ha->hardware_lock, flags);
4123
4124         /* Clear outstanding commands array. */
4125         for (que = 0; que < ha->max_req_queues; que++) {
4126                 req = ha->req_q_map[que];
4127                 if (!req || !test_bit(que, ha->req_qid_map))
4128                         continue;
4129                 req->out_ptr = (uint16_t *)(req->ring + req->length);
4130                 *req->out_ptr = 0;
4131                 for (cnt = 1; cnt < req->num_outstanding_cmds; cnt++)
4132                         req->outstanding_cmds[cnt] = NULL;
4133
4134                 req->current_outstanding_cmd = 1;
4135
4136                 /* Initialize firmware. */
4137                 req->ring_ptr  = req->ring;
4138                 req->ring_index    = 0;
4139                 req->cnt      = req->length;
4140         }
4141
4142         for (que = 0; que < ha->max_rsp_queues; que++) {
4143                 rsp = ha->rsp_q_map[que];
4144                 if (!rsp || !test_bit(que, ha->rsp_qid_map))
4145                         continue;
4146                 rsp->in_ptr = (uint16_t *)(rsp->ring + rsp->length);
4147                 *rsp->in_ptr = 0;
4148                 /* Initialize response queue entries */
4149                 if (IS_QLAFX00(ha))
4150                         qlafx00_init_response_q_entries(rsp);
4151                 else
4152                         qla2x00_init_response_q_entries(rsp);
4153         }
4154
4155         ha->tgt.atio_ring_ptr = ha->tgt.atio_ring;
4156         ha->tgt.atio_ring_index = 0;
4157         /* Initialize ATIO queue entries */
4158         qlt_init_atio_q_entries(vha);
4159
4160         ha->isp_ops->config_rings(vha);
4161
4162         spin_unlock_irqrestore(&ha->hardware_lock, flags);
4163
4164         ql_dbg(ql_dbg_init, vha, 0x00d1, "Issue init firmware.\n");
4165
4166         if (IS_QLAFX00(ha)) {
4167                 rval = qlafx00_init_firmware(vha, ha->init_cb_size);
4168                 goto next_check;
4169         }
4170
4171         /* Update any ISP specific firmware options before initialization. */
4172         ha->isp_ops->update_fw_options(vha);
4173
4174         if (ha->flags.npiv_supported) {
4175                 if (ha->operating_mode == LOOP && !IS_CNA_CAPABLE(ha))
4176                         ha->max_npiv_vports = MIN_MULTI_ID_FABRIC - 1;
4177                 mid_init_cb->count = cpu_to_le16(ha->max_npiv_vports);
4178         }
4179
4180         if (IS_FWI2_CAPABLE(ha)) {
4181                 mid_init_cb->options = cpu_to_le16(BIT_1);
4182                 mid_init_cb->init_cb.execution_throttle =
4183                     cpu_to_le16(ha->cur_fw_xcb_count);
4184                 ha->flags.dport_enabled =
4185                         (le32_to_cpu(mid_init_cb->init_cb.firmware_options_1) &
4186                          BIT_7) != 0;
4187                 ql_dbg(ql_dbg_init, vha, 0x0191, "DPORT Support: %s.\n",
4188                     (ha->flags.dport_enabled) ? "enabled" : "disabled");
4189                 /* FA-WWPN Status */
4190                 ha->flags.fawwpn_enabled =
4191                         (le32_to_cpu(mid_init_cb->init_cb.firmware_options_1) &
4192                          BIT_6) != 0;
4193                 ql_dbg(ql_dbg_init, vha, 0x00bc, "FA-WWPN Support: %s.\n",
4194                     (ha->flags.fawwpn_enabled) ? "enabled" : "disabled");
4195         }
4196
4197         rval = qla2x00_init_firmware(vha, ha->init_cb_size);
4198 next_check:
4199         if (rval) {
4200                 ql_log(ql_log_fatal, vha, 0x00d2,
4201                     "Init Firmware **** FAILED ****.\n");
4202         } else {
4203                 ql_dbg(ql_dbg_init, vha, 0x00d3,
4204                     "Init Firmware -- success.\n");
4205                 QLA_FW_STARTED(ha);
4206                 vha->u_ql2xexchoffld = vha->u_ql2xiniexchg = 0;
4207         }
4208
4209         return (rval);
4210 }
4211
4212 /**
4213  * qla2x00_fw_ready() - Waits for firmware ready.
4214  * @vha: HA context
4215  *
4216  * Returns 0 on success.
4217  */
4218 static int
4219 qla2x00_fw_ready(scsi_qla_host_t *vha)
4220 {
4221         int             rval;
4222         unsigned long   wtime, mtime, cs84xx_time;
4223         uint16_t        min_wait;       /* Minimum wait time if loop is down */
4224         uint16_t        wait_time;      /* Wait time if loop is coming ready */
4225         uint16_t        state[6];
4226         struct qla_hw_data *ha = vha->hw;
4227
4228         if (IS_QLAFX00(vha->hw))
4229                 return qlafx00_fw_ready(vha);
4230
4231         rval = QLA_SUCCESS;
4232
4233         /* Time to wait for loop down */
4234         if (IS_P3P_TYPE(ha))
4235                 min_wait = 30;
4236         else
4237                 min_wait = 20;
4238
4239         /*
4240          * Firmware should take at most one RATOV to login, plus 5 seconds for
4241          * our own processing.
4242          */
4243         if ((wait_time = (ha->retry_count*ha->login_timeout) + 5) < min_wait) {
4244                 wait_time = min_wait;
4245         }
4246
4247         /* Min wait time if loop down */
4248         mtime = jiffies + (min_wait * HZ);
4249
4250         /* wait time before firmware ready */
4251         wtime = jiffies + (wait_time * HZ);
4252
4253         /* Wait for ISP to finish LIP */
4254         if (!vha->flags.init_done)
4255                 ql_log(ql_log_info, vha, 0x801e,
4256                     "Waiting for LIP to complete.\n");
4257
4258         do {
4259                 memset(state, -1, sizeof(state));
4260                 rval = qla2x00_get_firmware_state(vha, state);
4261                 if (rval == QLA_SUCCESS) {
4262                         if (state[0] < FSTATE_LOSS_OF_SYNC) {
4263                                 vha->device_flags &= ~DFLG_NO_CABLE;
4264                         }
4265                         if (IS_QLA84XX(ha) && state[0] != FSTATE_READY) {
4266                                 ql_dbg(ql_dbg_taskm, vha, 0x801f,
4267                                     "fw_state=%x 84xx=%x.\n", state[0],
4268                                     state[2]);
4269                                 if ((state[2] & FSTATE_LOGGED_IN) &&
4270                                      (state[2] & FSTATE_WAITING_FOR_VERIFY)) {
4271                                         ql_dbg(ql_dbg_taskm, vha, 0x8028,
4272                                             "Sending verify iocb.\n");
4273
4274                                         cs84xx_time = jiffies;
4275                                         rval = qla84xx_init_chip(vha);
4276                                         if (rval != QLA_SUCCESS) {
4277                                                 ql_log(ql_log_warn,
4278                                                     vha, 0x8007,
4279                                                     "Init chip failed.\n");
4280                                                 break;
4281                                         }
4282
4283                                         /* Add time taken to initialize. */
4284                                         cs84xx_time = jiffies - cs84xx_time;
4285                                         wtime += cs84xx_time;
4286                                         mtime += cs84xx_time;
4287                                         ql_dbg(ql_dbg_taskm, vha, 0x8008,
4288                                             "Increasing wait time by %ld. "
4289                                             "New time %ld.\n", cs84xx_time,
4290                                             wtime);
4291                                 }
4292                         } else if (state[0] == FSTATE_READY) {
4293                                 ql_dbg(ql_dbg_taskm, vha, 0x8037,
4294                                     "F/W Ready - OK.\n");
4295
4296                                 qla2x00_get_retry_cnt(vha, &ha->retry_count,
4297                                     &ha->login_timeout, &ha->r_a_tov);
4298
4299                                 rval = QLA_SUCCESS;
4300                                 break;
4301                         }
4302
4303                         rval = QLA_FUNCTION_FAILED;
4304
4305                         if (atomic_read(&vha->loop_down_timer) &&
4306                             state[0] != FSTATE_READY) {
4307                                 /* Loop down. Timeout on min_wait for states
4308                                  * other than Wait for Login.
4309                                  */
4310                                 if (time_after_eq(jiffies, mtime)) {
4311                                         ql_log(ql_log_info, vha, 0x8038,
4312                                             "Cable is unplugged...\n");
4313
4314                                         vha->device_flags |= DFLG_NO_CABLE;
4315                                         break;
4316                                 }
4317                         }
4318                 } else {
4319                         /* Mailbox cmd failed. Timeout on min_wait. */
4320                         if (time_after_eq(jiffies, mtime) ||
4321                                 ha->flags.isp82xx_fw_hung)
4322                                 break;
4323                 }
4324
4325                 if (time_after_eq(jiffies, wtime))
4326                         break;
4327
4328                 /* Delay for a while */
4329                 msleep(500);
4330         } while (1);
4331
4332         ql_dbg(ql_dbg_taskm, vha, 0x803a,
4333             "fw_state=%x (%x, %x, %x, %x %x) curr time=%lx.\n", state[0],
4334             state[1], state[2], state[3], state[4], state[5], jiffies);
4335
4336         if (rval && !(vha->device_flags & DFLG_NO_CABLE)) {
4337                 ql_log(ql_log_warn, vha, 0x803b,
4338                     "Firmware ready **** FAILED ****.\n");
4339         }
4340
4341         return (rval);
4342 }
4343
4344 /*
4345 *  qla2x00_configure_hba
4346 *      Setup adapter context.
4347 *
4348 * Input:
4349 *      ha = adapter state pointer.
4350 *
4351 * Returns:
4352 *      0 = success
4353 *
4354 * Context:
4355 *      Kernel context.
4356 */
4357 static int
4358 qla2x00_configure_hba(scsi_qla_host_t *vha)
4359 {
4360         int       rval;
4361         uint16_t      loop_id;
4362         uint16_t      topo;
4363         uint16_t      sw_cap;
4364         uint8_t       al_pa;
4365         uint8_t       area;
4366         uint8_t       domain;
4367         char            connect_type[22];
4368         struct qla_hw_data *ha = vha->hw;
4369         scsi_qla_host_t *base_vha = pci_get_drvdata(ha->pdev);
4370         port_id_t id;
4371         unsigned long flags;
4372
4373         /* Get host addresses. */
4374         rval = qla2x00_get_adapter_id(vha,
4375             &loop_id, &al_pa, &area, &domain, &topo, &sw_cap);
4376         if (rval != QLA_SUCCESS) {
4377                 if (LOOP_TRANSITION(vha) || atomic_read(&ha->loop_down_timer) ||
4378                     IS_CNA_CAPABLE(ha) ||
4379                     (rval == QLA_COMMAND_ERROR && loop_id == 0x7)) {
4380                         ql_dbg(ql_dbg_disc, vha, 0x2008,
4381                             "Loop is in a transition state.\n");
4382                 } else {
4383                         ql_log(ql_log_warn, vha, 0x2009,
4384                             "Unable to get host loop ID.\n");
4385                         if (IS_FWI2_CAPABLE(ha) && (vha == base_vha) &&
4386                             (rval == QLA_COMMAND_ERROR && loop_id == 0x1b)) {
4387                                 ql_log(ql_log_warn, vha, 0x1151,
4388                                     "Doing link init.\n");
4389                                 if (qla24xx_link_initialize(vha) == QLA_SUCCESS)
4390                                         return rval;
4391                         }
4392                         set_bit(ISP_ABORT_NEEDED, &vha->dpc_flags);
4393                 }
4394                 return (rval);
4395         }
4396
4397         if (topo == 4) {
4398                 ql_log(ql_log_info, vha, 0x200a,
4399                     "Cannot get topology - retrying.\n");
4400                 return (QLA_FUNCTION_FAILED);
4401         }
4402
4403         vha->loop_id = loop_id;
4404
4405         /* initialize */
4406         ha->min_external_loopid = SNS_FIRST_LOOP_ID;
4407         ha->operating_mode = LOOP;
4408         ha->switch_cap = 0;
4409
4410         switch (topo) {
4411         case 0:
4412                 ql_dbg(ql_dbg_disc, vha, 0x200b, "HBA in NL topology.\n");
4413                 ha->current_topology = ISP_CFG_NL;
4414                 strcpy(connect_type, "(Loop)");
4415                 break;
4416
4417         case 1:
4418                 ql_dbg(ql_dbg_disc, vha, 0x200c, "HBA in FL topology.\n");
4419                 ha->switch_cap = sw_cap;
4420                 ha->current_topology = ISP_CFG_FL;
4421                 strcpy(connect_type, "(FL_Port)");
4422                 break;
4423
4424         case 2:
4425                 ql_dbg(ql_dbg_disc, vha, 0x200d, "HBA in N P2P topology.\n");
4426                 ha->operating_mode = P2P;
4427                 ha->current_topology = ISP_CFG_N;
4428                 strcpy(connect_type, "(N_Port-to-N_Port)");
4429                 break;
4430
4431         case 3:
4432                 ql_dbg(ql_dbg_disc, vha, 0x200e, "HBA in F P2P topology.\n");
4433                 ha->switch_cap = sw_cap;
4434                 ha->operating_mode = P2P;
4435                 ha->current_topology = ISP_CFG_F;
4436                 strcpy(connect_type, "(F_Port)");
4437                 break;
4438
4439         default:
4440                 ql_dbg(ql_dbg_disc, vha, 0x200f,
4441                     "HBA in unknown topology %x, using NL.\n", topo);
4442                 ha->current_topology = ISP_CFG_NL;
4443                 strcpy(connect_type, "(Loop)");
4444                 break;
4445         }
4446
4447         /* Save Host port and loop ID. */
4448         /* byte order - Big Endian */
4449         id.b.domain = domain;
4450         id.b.area = area;
4451         id.b.al_pa = al_pa;
4452         id.b.rsvd_1 = 0;
4453         spin_lock_irqsave(&ha->hardware_lock, flags);
4454         if (!(topo == 2 && ha->flags.n2n_bigger))
4455                 qlt_update_host_map(vha, id);
4456         spin_unlock_irqrestore(&ha->hardware_lock, flags);
4457
4458         if (!vha->flags.init_done)
4459                 ql_log(ql_log_info, vha, 0x2010,
4460                     "Topology - %s, Host Loop address 0x%x.\n",
4461                     connect_type, vha->loop_id);
4462
4463         return(rval);
4464 }
4465
4466 inline void
4467 qla2x00_set_model_info(scsi_qla_host_t *vha, uint8_t *model, size_t len,
4468                        const char *def)
4469 {
4470         char *st, *en;
4471         uint16_t index;
4472         uint64_t zero[2] = { 0 };
4473         struct qla_hw_data *ha = vha->hw;
4474         int use_tbl = !IS_QLA24XX_TYPE(ha) && !IS_QLA25XX(ha) &&
4475             !IS_CNA_CAPABLE(ha) && !IS_QLA2031(ha);
4476
4477         if (len > sizeof(zero))
4478                 len = sizeof(zero);
4479         if (memcmp(model, &zero, len) != 0) {
4480                 memcpy(ha->model_number, model, len);
4481                 st = en = ha->model_number;
4482                 en += len - 1;
4483                 while (en > st) {
4484                         if (*en != 0x20 && *en != 0x00)
4485                                 break;
4486                         *en-- = '\0';
4487                 }
4488
4489                 index = (ha->pdev->subsystem_device & 0xff);
4490                 if (use_tbl &&
4491                     ha->pdev->subsystem_vendor == PCI_VENDOR_ID_QLOGIC &&
4492                     index < QLA_MODEL_NAMES)
4493                         strlcpy(ha->model_desc,
4494                             qla2x00_model_name[index * 2 + 1],
4495                             sizeof(ha->model_desc));
4496         } else {
4497                 index = (ha->pdev->subsystem_device & 0xff);
4498                 if (use_tbl &&
4499                     ha->pdev->subsystem_vendor == PCI_VENDOR_ID_QLOGIC &&
4500                     index < QLA_MODEL_NAMES) {
4501                         strlcpy(ha->model_number,
4502                                 qla2x00_model_name[index * 2],
4503                                 sizeof(ha->model_number));
4504                         strlcpy(ha->model_desc,
4505                             qla2x00_model_name[index * 2 + 1],
4506                             sizeof(ha->model_desc));
4507                 } else {
4508                         strlcpy(ha->model_number, def,
4509                                 sizeof(ha->model_number));
4510                 }
4511         }
4512         if (IS_FWI2_CAPABLE(ha))
4513                 qla2xxx_get_vpd_field(vha, "\x82", ha->model_desc,
4514                     sizeof(ha->model_desc));
4515 }
4516
4517 /* On sparc systems, obtain port and node WWN from firmware
4518  * properties.
4519  */
4520 static void qla2xxx_nvram_wwn_from_ofw(scsi_qla_host_t *vha, nvram_t *nv)
4521 {
4522 #ifdef CONFIG_SPARC
4523         struct qla_hw_data *ha = vha->hw;
4524         struct pci_dev *pdev = ha->pdev;
4525         struct device_node *dp = pci_device_to_OF_node(pdev);
4526         const u8 *val;
4527         int len;
4528
4529         val = of_get_property(dp, "port-wwn", &len);
4530         if (val && len >= WWN_SIZE)
4531                 memcpy(nv->port_name, val, WWN_SIZE);
4532
4533         val = of_get_property(dp, "node-wwn", &len);
4534         if (val && len >= WWN_SIZE)
4535                 memcpy(nv->node_name, val, WWN_SIZE);
4536 #endif
4537 }
4538
4539 /*
4540 * NVRAM configuration for ISP 2xxx
4541 *
4542 * Input:
4543 *      ha                = adapter block pointer.
4544 *
4545 * Output:
4546 *      initialization control block in response_ring
4547 *      host adapters parameters in host adapter block
4548 *
4549 * Returns:
4550 *      0 = success.
4551 */
4552 int
4553 qla2x00_nvram_config(scsi_qla_host_t *vha)
4554 {
4555         int             rval;
4556         uint8_t         chksum = 0;
4557         uint16_t        cnt;
4558         uint8_t         *dptr1, *dptr2;
4559         struct qla_hw_data *ha = vha->hw;
4560         init_cb_t       *icb = ha->init_cb;
4561         nvram_t         *nv = ha->nvram;
4562         uint8_t         *ptr = ha->nvram;
4563         struct device_reg_2xxx __iomem *reg = &ha->iobase->isp;
4564
4565         rval = QLA_SUCCESS;
4566
4567         /* Determine NVRAM starting address. */
4568         ha->nvram_size = sizeof(*nv);
4569         ha->nvram_base = 0;
4570         if (!IS_QLA2100(ha) && !IS_QLA2200(ha) && !IS_QLA2300(ha))
4571                 if ((rd_reg_word(&reg->ctrl_status) >> 14) == 1)
4572                         ha->nvram_base = 0x80;
4573
4574         /* Get NVRAM data and calculate checksum. */
4575         ha->isp_ops->read_nvram(vha, ptr, ha->nvram_base, ha->nvram_size);
4576         for (cnt = 0, chksum = 0; cnt < ha->nvram_size; cnt++)
4577                 chksum += *ptr++;
4578
4579         ql_dbg(ql_dbg_init + ql_dbg_buffer, vha, 0x010f,
4580             "Contents of NVRAM.\n");
4581         ql_dump_buffer(ql_dbg_init + ql_dbg_buffer, vha, 0x0110,
4582             nv, ha->nvram_size);
4583
4584         /* Bad NVRAM data, set defaults parameters. */
4585         if (chksum || memcmp("ISP ", nv->id, sizeof(nv->id)) ||
4586             nv->nvram_version < 1) {
4587                 /* Reset NVRAM data. */
4588                 ql_log(ql_log_warn, vha, 0x0064,
4589                     "Inconsistent NVRAM detected: checksum=%#x id=%.4s version=%#x.\n",
4590                     chksum, nv->id, nv->nvram_version);
4591                 ql_log(ql_log_warn, vha, 0x0065,
4592                     "Falling back to "
4593                     "functioning (yet invalid -- WWPN) defaults.\n");
4594
4595                 /*
4596                  * Set default initialization control block.
4597                  */
4598                 memset(nv, 0, ha->nvram_size);
4599                 nv->parameter_block_version = ICB_VERSION;
4600
4601                 if (IS_QLA23XX(ha)) {
4602                         nv->firmware_options[0] = BIT_2 | BIT_1;
4603                         nv->firmware_options[1] = BIT_7 | BIT_5;
4604                         nv->add_firmware_options[0] = BIT_5;
4605                         nv->add_firmware_options[1] = BIT_5 | BIT_4;
4606                         nv->frame_payload_size = 2048;
4607                         nv->special_options[1] = BIT_7;
4608                 } else if (IS_QLA2200(ha)) {
4609                         nv->firmware_options[0] = BIT_2 | BIT_1;
4610                         nv->firmware_options[1] = BIT_7 | BIT_5;
4611                         nv->add_firmware_options[0] = BIT_5;
4612                         nv->add_firmware_options[1] = BIT_5 | BIT_4;
4613                         nv->frame_payload_size = 1024;
4614                 } else if (IS_QLA2100(ha)) {
4615                         nv->firmware_options[0] = BIT_3 | BIT_1;
4616                         nv->firmware_options[1] = BIT_5;
4617                         nv->frame_payload_size = 1024;
4618                 }
4619
4620                 nv->max_iocb_allocation = cpu_to_le16(256);
4621                 nv->execution_throttle = cpu_to_le16(16);
4622                 nv->retry_count = 8;
4623                 nv->retry_delay = 1;
4624
4625                 nv->port_name[0] = 33;
4626                 nv->port_name[3] = 224;
4627                 nv->port_name[4] = 139;
4628
4629                 qla2xxx_nvram_wwn_from_ofw(vha, nv);
4630
4631                 nv->login_timeout = 4;
4632
4633                 /*
4634                  * Set default host adapter parameters
4635                  */
4636                 nv->host_p[1] = BIT_2;
4637                 nv->reset_delay = 5;
4638                 nv->port_down_retry_count = 8;
4639                 nv->max_luns_per_target = cpu_to_le16(8);
4640                 nv->link_down_timeout = 60;
4641
4642                 rval = 1;
4643         }
4644
4645         /* Reset Initialization control block */
4646         memset(icb, 0, ha->init_cb_size);
4647
4648         /*
4649          * Setup driver NVRAM options.
4650          */
4651         nv->firmware_options[0] |= (BIT_6 | BIT_1);
4652         nv->firmware_options[0] &= ~(BIT_5 | BIT_4);
4653         nv->firmware_options[1] |= (BIT_5 | BIT_0);
4654         nv->firmware_options[1] &= ~BIT_4;
4655
4656         if (IS_QLA23XX(ha)) {
4657                 nv->firmware_options[0] |= BIT_2;
4658                 nv->firmware_options[0] &= ~BIT_3;
4659                 nv->special_options[0] &= ~BIT_6;
4660                 nv->add_firmware_options[1] |= BIT_5 | BIT_4;
4661
4662                 if (IS_QLA2300(ha)) {
4663                         if (ha->fb_rev == FPM_2310) {
4664                                 strcpy(ha->model_number, "QLA2310");
4665                         } else {
4666                                 strcpy(ha->model_number, "QLA2300");
4667                         }
4668                 } else {
4669                         qla2x00_set_model_info(vha, nv->model_number,
4670                             sizeof(nv->model_number), "QLA23xx");
4671                 }
4672         } else if (IS_QLA2200(ha)) {
4673                 nv->firmware_options[0] |= BIT_2;
4674                 /*
4675                  * 'Point-to-point preferred, else loop' is not a safe
4676                  * connection mode setting.
4677                  */
4678                 if ((nv->add_firmware_options[0] & (BIT_6 | BIT_5 | BIT_4)) ==
4679                     (BIT_5 | BIT_4)) {
4680                         /* Force 'loop preferred, else point-to-point'. */
4681                         nv->add_firmware_options[0] &= ~(BIT_6 | BIT_5 | BIT_4);
4682                         nv->add_firmware_options[0] |= BIT_5;
4683                 }
4684                 strcpy(ha->model_number, "QLA22xx");
4685         } else /*if (IS_QLA2100(ha))*/ {
4686                 strcpy(ha->model_number, "QLA2100");
4687         }
4688
4689         /*
4690          * Copy over NVRAM RISC parameter block to initialization control block.
4691          */
4692         dptr1 = (uint8_t *)icb;
4693         dptr2 = (uint8_t *)&nv->parameter_block_version;
4694         cnt = (uint8_t *)&icb->request_q_outpointer - (uint8_t *)&icb->version;
4695         while (cnt--)
4696                 *dptr1++ = *dptr2++;
4697
4698         /* Copy 2nd half. */
4699         dptr1 = (uint8_t *)icb->add_firmware_options;
4700         cnt = (uint8_t *)icb->reserved_3 - (uint8_t *)icb->add_firmware_options;
4701         while (cnt--)
4702                 *dptr1++ = *dptr2++;
4703         ha->frame_payload_size = le16_to_cpu(icb->frame_payload_size);
4704         /* Use alternate WWN? */
4705         if (nv->host_p[1] & BIT_7) {
4706                 memcpy(icb->node_name, nv->alternate_node_name, WWN_SIZE);
4707                 memcpy(icb->port_name, nv->alternate_port_name, WWN_SIZE);
4708         }
4709
4710         /* Prepare nodename */
4711         if ((icb->firmware_options[1] & BIT_6) == 0) {
4712                 /*
4713                  * Firmware will apply the following mask if the nodename was
4714                  * not provided.
4715                  */
4716                 memcpy(icb->node_name, icb->port_name, WWN_SIZE);
4717                 icb->node_name[0] &= 0xF0;
4718         }
4719
4720         /*
4721          * Set host adapter parameters.
4722          */
4723
4724         /*
4725          * BIT_7 in the host-parameters section allows for modification to
4726          * internal driver logging.
4727          */
4728         if (nv->host_p[0] & BIT_7)
4729                 ql2xextended_error_logging = QL_DBG_DEFAULT1_MASK;
4730         ha->flags.disable_risc_code_load = ((nv->host_p[0] & BIT_4) ? 1 : 0);
4731         /* Always load RISC code on non ISP2[12]00 chips. */
4732         if (!IS_QLA2100(ha) && !IS_QLA2200(ha))
4733                 ha->flags.disable_risc_code_load = 0;
4734         ha->flags.enable_lip_reset = ((nv->host_p[1] & BIT_1) ? 1 : 0);
4735         ha->flags.enable_lip_full_login = ((nv->host_p[1] & BIT_2) ? 1 : 0);
4736         ha->flags.enable_target_reset = ((nv->host_p[1] & BIT_3) ? 1 : 0);
4737         ha->flags.enable_led_scheme = (nv->special_options[1] & BIT_4) ? 1 : 0;
4738         ha->flags.disable_serdes = 0;
4739
4740         ha->operating_mode =
4741             (icb->add_firmware_options[0] & (BIT_6 | BIT_5 | BIT_4)) >> 4;
4742
4743         memcpy(ha->fw_seriallink_options, nv->seriallink_options,
4744             sizeof(ha->fw_seriallink_options));
4745
4746         /* save HBA serial number */
4747         ha->serial0 = icb->port_name[5];
4748         ha->serial1 = icb->port_name[6];
4749         ha->serial2 = icb->port_name[7];
4750         memcpy(vha->node_name, icb->node_name, WWN_SIZE);
4751         memcpy(vha->port_name, icb->port_name, WWN_SIZE);
4752
4753         icb->execution_throttle = cpu_to_le16(0xFFFF);
4754
4755         ha->retry_count = nv->retry_count;
4756
4757         /* Set minimum login_timeout to 4 seconds. */
4758         if (nv->login_timeout != ql2xlogintimeout)
4759                 nv->login_timeout = ql2xlogintimeout;
4760         if (nv->login_timeout < 4)
4761                 nv->login_timeout = 4;
4762         ha->login_timeout = nv->login_timeout;
4763
4764         /* Set minimum RATOV to 100 tenths of a second. */
4765         ha->r_a_tov = 100;
4766
4767         ha->loop_reset_delay = nv->reset_delay;
4768
4769         /* Link Down Timeout = 0:
4770          *
4771          *      When Port Down timer expires we will start returning
4772          *      I/O's to OS with "DID_NO_CONNECT".
4773          *
4774          * Link Down Timeout != 0:
4775          *
4776          *       The driver waits for the link to come up after link down
4777          *       before returning I/Os to OS with "DID_NO_CONNECT".
4778          */
4779         if (nv->link_down_timeout == 0) {
4780                 ha->loop_down_abort_time =
4781                     (LOOP_DOWN_TIME - LOOP_DOWN_TIMEOUT);
4782         } else {
4783                 ha->link_down_timeout =  nv->link_down_timeout;
4784                 ha->loop_down_abort_time =
4785                     (LOOP_DOWN_TIME - ha->link_down_timeout);
4786         }
4787
4788         /*
4789          * Need enough time to try and get the port back.
4790          */
4791         ha->port_down_retry_count = nv->port_down_retry_count;
4792         if (qlport_down_retry)
4793                 ha->port_down_retry_count = qlport_down_retry;
4794         /* Set login_retry_count */
4795         ha->login_retry_count  = nv->retry_count;
4796         if (ha->port_down_retry_count == nv->port_down_retry_count &&
4797             ha->port_down_retry_count > 3)
4798                 ha->login_retry_count = ha->port_down_retry_count;
4799         else if (ha->port_down_retry_count > (int)ha->login_retry_count)
4800                 ha->login_retry_count = ha->port_down_retry_count;
4801         if (ql2xloginretrycount)
4802                 ha->login_retry_count = ql2xloginretrycount;
4803
4804         icb->lun_enables = cpu_to_le16(0);
4805         icb->command_resource_count = 0;
4806         icb->immediate_notify_resource_count = 0;
4807         icb->timeout = cpu_to_le16(0);
4808
4809         if (IS_QLA2100(ha) || IS_QLA2200(ha)) {
4810                 /* Enable RIO */
4811                 icb->firmware_options[0] &= ~BIT_3;
4812                 icb->add_firmware_options[0] &=
4813                     ~(BIT_3 | BIT_2 | BIT_1 | BIT_0);
4814                 icb->add_firmware_options[0] |= BIT_2;
4815                 icb->response_accumulation_timer = 3;
4816                 icb->interrupt_delay_timer = 5;
4817
4818                 vha->flags.process_response_queue = 1;
4819         } else {
4820                 /* Enable ZIO. */
4821                 if (!vha->flags.init_done) {
4822                         ha->zio_mode = icb->add_firmware_options[0] &
4823                             (BIT_3 | BIT_2 | BIT_1 | BIT_0);
4824                         ha->zio_timer = icb->interrupt_delay_timer ?
4825                             icb->interrupt_delay_timer : 2;
4826                 }
4827                 icb->add_firmware_options[0] &=
4828                     ~(BIT_3 | BIT_2 | BIT_1 | BIT_0);
4829                 vha->flags.process_response_queue = 0;
4830                 if (ha->zio_mode != QLA_ZIO_DISABLED) {
4831                         ha->zio_mode = QLA_ZIO_MODE_6;
4832
4833                         ql_log(ql_log_info, vha, 0x0068,
4834                             "ZIO mode %d enabled; timer delay (%d us).\n",
4835                             ha->zio_mode, ha->zio_timer * 100);
4836
4837                         icb->add_firmware_options[0] |= (uint8_t)ha->zio_mode;
4838                         icb->interrupt_delay_timer = (uint8_t)ha->zio_timer;
4839                         vha->flags.process_response_queue = 1;
4840                 }
4841         }
4842
4843         if (rval) {
4844                 ql_log(ql_log_warn, vha, 0x0069,
4845                     "NVRAM configuration failed.\n");
4846         }
4847         return (rval);
4848 }
4849
4850 static void
4851 qla2x00_rport_del(void *data)
4852 {
4853         fc_port_t *fcport = data;
4854         struct fc_rport *rport;
4855         unsigned long flags;
4856
4857         spin_lock_irqsave(fcport->vha->host->host_lock, flags);
4858         rport = fcport->drport ? fcport->drport : fcport->rport;
4859         fcport->drport = NULL;
4860         spin_unlock_irqrestore(fcport->vha->host->host_lock, flags);
4861         if (rport) {
4862                 ql_dbg(ql_dbg_disc, fcport->vha, 0x210b,
4863                     "%s %8phN. rport %p roles %x\n",
4864                     __func__, fcport->port_name, rport,
4865                     rport->roles);
4866
4867                 fc_remote_port_delete(rport);
4868         }
4869 }
4870
4871 void qla2x00_set_fcport_state(fc_port_t *fcport, int state)
4872 {
4873         int old_state;
4874
4875         old_state = atomic_read(&fcport->state);
4876         atomic_set(&fcport->state, state);
4877
4878         /* Don't print state transitions during initial allocation of fcport */
4879         if (old_state && old_state != state) {
4880                 ql_dbg(ql_dbg_disc, fcport->vha, 0x207d,
4881                        "FCPort %8phC state transitioned from %s to %s - portid=%02x%02x%02x.\n",
4882                        fcport->port_name, port_state_str[old_state],
4883                        port_state_str[state], fcport->d_id.b.domain,
4884                        fcport->d_id.b.area, fcport->d_id.b.al_pa);
4885         }
4886 }
4887
4888 /**
4889  * qla2x00_alloc_fcport() - Allocate a generic fcport.
4890  * @vha: HA context
4891  * @flags: allocation flags
4892  *
4893  * Returns a pointer to the allocated fcport, or NULL, if none available.
4894  */
4895 fc_port_t *
4896 qla2x00_alloc_fcport(scsi_qla_host_t *vha, gfp_t flags)
4897 {
4898         fc_port_t *fcport;
4899
4900         fcport = kzalloc(sizeof(fc_port_t), flags);
4901         if (!fcport)
4902                 return NULL;
4903
4904         fcport->ct_desc.ct_sns = dma_alloc_coherent(&vha->hw->pdev->dev,
4905                 sizeof(struct ct_sns_pkt), &fcport->ct_desc.ct_sns_dma,
4906                 flags);
4907         if (!fcport->ct_desc.ct_sns) {
4908                 ql_log(ql_log_warn, vha, 0xd049,
4909                     "Failed to allocate ct_sns request.\n");
4910                 kfree(fcport);
4911                 return NULL;
4912         }
4913
4914         /* Setup fcport template structure. */
4915         fcport->vha = vha;
4916         fcport->port_type = FCT_UNKNOWN;
4917         fcport->loop_id = FC_NO_LOOP_ID;
4918         qla2x00_set_fcport_state(fcport, FCS_UNCONFIGURED);
4919         fcport->supported_classes = FC_COS_UNSPECIFIED;
4920         fcport->fp_speed = PORT_SPEED_UNKNOWN;
4921
4922         fcport->disc_state = DSC_DELETED;
4923         fcport->fw_login_state = DSC_LS_PORT_UNAVAIL;
4924         fcport->deleted = QLA_SESS_DELETED;
4925         fcport->login_retry = vha->hw->login_retry_count;
4926         fcport->chip_reset = vha->hw->base_qpair->chip_reset;
4927         fcport->logout_on_delete = 1;
4928
4929         if (!fcport->ct_desc.ct_sns) {
4930                 ql_log(ql_log_warn, vha, 0xd049,
4931                     "Failed to allocate ct_sns request.\n");
4932                 kfree(fcport);
4933                 return NULL;
4934         }
4935
4936         INIT_WORK(&fcport->del_work, qla24xx_delete_sess_fn);
4937         INIT_WORK(&fcport->free_work, qlt_free_session_done);
4938         INIT_WORK(&fcport->reg_work, qla_register_fcport_fn);
4939         INIT_LIST_HEAD(&fcport->gnl_entry);
4940         INIT_LIST_HEAD(&fcport->list);
4941
4942         return fcport;
4943 }
4944
4945 void
4946 qla2x00_free_fcport(fc_port_t *fcport)
4947 {
4948         if (fcport->ct_desc.ct_sns) {
4949                 dma_free_coherent(&fcport->vha->hw->pdev->dev,
4950                         sizeof(struct ct_sns_pkt), fcport->ct_desc.ct_sns,
4951                         fcport->ct_desc.ct_sns_dma);
4952
4953                 fcport->ct_desc.ct_sns = NULL;
4954         }
4955         list_del(&fcport->list);
4956         qla2x00_clear_loop_id(fcport);
4957         kfree(fcport);
4958 }
4959
4960 /*
4961  * qla2x00_configure_loop
4962  *      Updates Fibre Channel Device Database with what is actually on loop.
4963  *
4964  * Input:
4965  *      ha                = adapter block pointer.
4966  *
4967  * Returns:
4968  *      0 = success.
4969  *      1 = error.
4970  *      2 = database was full and device was not configured.
4971  */
4972 static int
4973 qla2x00_configure_loop(scsi_qla_host_t *vha)
4974 {
4975         int  rval;
4976         unsigned long flags, save_flags;
4977         struct qla_hw_data *ha = vha->hw;
4978
4979         rval = QLA_SUCCESS;
4980
4981         /* Get Initiator ID */
4982         if (test_bit(LOCAL_LOOP_UPDATE, &vha->dpc_flags)) {
4983                 rval = qla2x00_configure_hba(vha);
4984                 if (rval != QLA_SUCCESS) {
4985                         ql_dbg(ql_dbg_disc, vha, 0x2013,
4986                             "Unable to configure HBA.\n");
4987                         return (rval);
4988                 }
4989         }
4990
4991         save_flags = flags = vha->dpc_flags;
4992         ql_dbg(ql_dbg_disc, vha, 0x2014,
4993             "Configure loop -- dpc flags = 0x%lx.\n", flags);
4994
4995         /*
4996          * If we have both an RSCN and PORT UPDATE pending then handle them
4997          * both at the same time.
4998          */
4999         clear_bit(LOCAL_LOOP_UPDATE, &vha->dpc_flags);
5000         clear_bit(RSCN_UPDATE, &vha->dpc_flags);
5001
5002         qla2x00_get_data_rate(vha);
5003
5004         /* Determine what we need to do */
5005         if ((ha->current_topology == ISP_CFG_FL ||
5006             ha->current_topology == ISP_CFG_F) &&
5007             (test_bit(LOCAL_LOOP_UPDATE, &flags))) {
5008
5009                 set_bit(RSCN_UPDATE, &flags);
5010                 clear_bit(LOCAL_LOOP_UPDATE, &flags);
5011
5012         } else if (ha->current_topology == ISP_CFG_NL ||
5013                    ha->current_topology == ISP_CFG_N) {
5014                 clear_bit(RSCN_UPDATE, &flags);
5015                 set_bit(LOCAL_LOOP_UPDATE, &flags);
5016         } else if (!vha->flags.online ||
5017             (test_bit(ABORT_ISP_ACTIVE, &flags))) {
5018                 set_bit(RSCN_UPDATE, &flags);
5019                 set_bit(LOCAL_LOOP_UPDATE, &flags);
5020         }
5021
5022         if (test_bit(LOCAL_LOOP_UPDATE, &flags)) {
5023                 if (test_bit(LOOP_RESYNC_NEEDED, &vha->dpc_flags)) {
5024                         ql_dbg(ql_dbg_disc, vha, 0x2015,
5025                             "Loop resync needed, failing.\n");
5026                         rval = QLA_FUNCTION_FAILED;
5027                 } else
5028                         rval = qla2x00_configure_local_loop(vha);
5029         }
5030
5031         if (rval == QLA_SUCCESS && test_bit(RSCN_UPDATE, &flags)) {
5032                 if (LOOP_TRANSITION(vha)) {
5033                         ql_dbg(ql_dbg_disc, vha, 0x2099,
5034                             "Needs RSCN update and loop transition.\n");
5035                         rval = QLA_FUNCTION_FAILED;
5036                 }
5037                 else
5038                         rval = qla2x00_configure_fabric(vha);
5039         }
5040
5041         if (rval == QLA_SUCCESS) {
5042                 if (atomic_read(&vha->loop_down_timer) ||
5043                     test_bit(LOOP_RESYNC_NEEDED, &vha->dpc_flags)) {
5044                         rval = QLA_FUNCTION_FAILED;
5045                 } else {
5046                         atomic_set(&vha->loop_state, LOOP_READY);
5047                         ql_dbg(ql_dbg_disc, vha, 0x2069,
5048                             "LOOP READY.\n");
5049                         ha->flags.fw_init_done = 1;
5050
5051                         /*
5052                          * Process any ATIO queue entries that came in
5053                          * while we weren't online.
5054                          */
5055                         if (qla_tgt_mode_enabled(vha) ||
5056                             qla_dual_mode_enabled(vha)) {
5057                                 spin_lock_irqsave(&ha->tgt.atio_lock, flags);
5058                                 qlt_24xx_process_atio_queue(vha, 0);
5059                                 spin_unlock_irqrestore(&ha->tgt.atio_lock,
5060                                     flags);
5061                         }
5062                 }
5063         }
5064
5065         if (rval) {
5066                 ql_dbg(ql_dbg_disc, vha, 0x206a,
5067                     "%s *** FAILED ***.\n", __func__);
5068         } else {
5069                 ql_dbg(ql_dbg_disc, vha, 0x206b,
5070                     "%s: exiting normally.\n", __func__);
5071         }
5072
5073         /* Restore state if a resync event occurred during processing */
5074         if (test_bit(LOOP_RESYNC_NEEDED, &vha->dpc_flags)) {
5075                 if (test_bit(LOCAL_LOOP_UPDATE, &save_flags))
5076                         set_bit(LOCAL_LOOP_UPDATE, &vha->dpc_flags);
5077                 if (test_bit(RSCN_UPDATE, &save_flags)) {
5078                         set_bit(RSCN_UPDATE, &vha->dpc_flags);
5079                 }
5080         }
5081
5082         return (rval);
5083 }
5084
5085 static int qla2x00_configure_n2n_loop(scsi_qla_host_t *vha)
5086 {
5087         struct qla_hw_data *ha = vha->hw;
5088         unsigned long flags;
5089         fc_port_t *fcport;
5090         int rval;
5091
5092         if (test_and_clear_bit(N2N_LOGIN_NEEDED, &vha->dpc_flags)) {
5093                 /* borrowing */
5094                 u32 *bp, sz;
5095
5096                 memset(ha->init_cb, 0, ha->init_cb_size);
5097                 sz = min_t(int, sizeof(struct els_plogi_payload),
5098                            ha->init_cb_size);
5099                 rval = qla24xx_get_port_login_templ(vha, ha->init_cb_dma,
5100                                                     ha->init_cb, sz);
5101                 if (rval == QLA_SUCCESS) {
5102                         __be32 *q = &ha->plogi_els_payld.data[0];
5103
5104                         bp = (uint32_t *)ha->init_cb;
5105                         cpu_to_be32_array(q, bp, sz / 4);
5106                         memcpy(bp, q, sizeof(ha->plogi_els_payld.data));
5107                 } else {
5108                         ql_dbg(ql_dbg_init, vha, 0x00d1,
5109                                "PLOGI ELS param read fail.\n");
5110                         goto skip_login;
5111                 }
5112         }
5113
5114         list_for_each_entry(fcport, &vha->vp_fcports, list) {
5115                 if (fcport->n2n_flag) {
5116                         qla24xx_fcport_handle_login(vha, fcport);
5117                         return QLA_SUCCESS;
5118                 }
5119         }
5120
5121 skip_login:
5122         spin_lock_irqsave(&vha->work_lock, flags);
5123         vha->scan.scan_retry++;
5124         spin_unlock_irqrestore(&vha->work_lock, flags);
5125
5126         if (vha->scan.scan_retry < MAX_SCAN_RETRIES) {
5127                 set_bit(LOCAL_LOOP_UPDATE, &vha->dpc_flags);
5128                 set_bit(LOOP_RESYNC_NEEDED, &vha->dpc_flags);
5129         }
5130         return QLA_FUNCTION_FAILED;
5131 }
5132
5133 /*
5134  * qla2x00_configure_local_loop
5135  *      Updates Fibre Channel Device Database with local loop devices.
5136  *
5137  * Input:
5138  *      ha = adapter block pointer.
5139  *
5140  * Returns:
5141  *      0 = success.
5142  */
5143 static int
5144 qla2x00_configure_local_loop(scsi_qla_host_t *vha)
5145 {
5146         int             rval, rval2;
5147         int             found_devs;
5148         int             found;
5149         fc_port_t       *fcport, *new_fcport;
5150         uint16_t        index;
5151         uint16_t        entries;
5152         struct gid_list_info *gid;
5153         uint16_t        loop_id;
5154         uint8_t         domain, area, al_pa;
5155         struct qla_hw_data *ha = vha->hw;
5156         unsigned long flags;
5157
5158         /* Inititae N2N login. */
5159         if (N2N_TOPO(ha))
5160                 return qla2x00_configure_n2n_loop(vha);
5161
5162         found_devs = 0;
5163         new_fcport = NULL;
5164         entries = MAX_FIBRE_DEVICES_LOOP;
5165
5166         /* Get list of logged in devices. */
5167         memset(ha->gid_list, 0, qla2x00_gid_list_size(ha));
5168         rval = qla2x00_get_id_list(vha, ha->gid_list, ha->gid_list_dma,
5169             &entries);
5170         if (rval != QLA_SUCCESS)
5171                 goto err;
5172
5173         ql_dbg(ql_dbg_disc, vha, 0x2011,
5174             "Entries in ID list (%d).\n", entries);
5175         ql_dump_buffer(ql_dbg_disc + ql_dbg_buffer, vha, 0x2075,
5176             ha->gid_list, entries * sizeof(*ha->gid_list));
5177
5178         if (entries == 0) {
5179                 spin_lock_irqsave(&vha->work_lock, flags);
5180                 vha->scan.scan_retry++;
5181                 spin_unlock_irqrestore(&vha->work_lock, flags);
5182
5183                 if (vha->scan.scan_retry < MAX_SCAN_RETRIES) {
5184                         set_bit(LOCAL_LOOP_UPDATE, &vha->dpc_flags);
5185                         set_bit(LOOP_RESYNC_NEEDED, &vha->dpc_flags);
5186                 }
5187         } else {
5188                 vha->scan.scan_retry = 0;
5189         }
5190
5191         list_for_each_entry(fcport, &vha->vp_fcports, list) {
5192                 fcport->scan_state = QLA_FCPORT_SCAN;
5193         }
5194
5195         /* Allocate temporary fcport for any new fcports discovered. */
5196         new_fcport = qla2x00_alloc_fcport(vha, GFP_KERNEL);
5197         if (new_fcport == NULL) {
5198                 ql_log(ql_log_warn, vha, 0x2012,
5199                     "Memory allocation failed for fcport.\n");
5200                 rval = QLA_MEMORY_ALLOC_FAILED;
5201                 goto err;
5202         }
5203         new_fcport->flags &= ~FCF_FABRIC_DEVICE;
5204
5205         /* Add devices to port list. */
5206         gid = ha->gid_list;
5207         for (index = 0; index < entries; index++) {
5208                 domain = gid->domain;
5209                 area = gid->area;
5210                 al_pa = gid->al_pa;
5211                 if (IS_QLA2100(ha) || IS_QLA2200(ha))
5212                         loop_id = gid->loop_id_2100;
5213                 else
5214                         loop_id = le16_to_cpu(gid->loop_id);
5215                 gid = (void *)gid + ha->gid_list_info_size;
5216
5217                 /* Bypass reserved domain fields. */
5218                 if ((domain & 0xf0) == 0xf0)
5219                         continue;
5220
5221                 /* Bypass if not same domain and area of adapter. */
5222                 if (area && domain && ((area != vha->d_id.b.area) ||
5223                     (domain != vha->d_id.b.domain)) &&
5224                     (ha->current_topology == ISP_CFG_NL))
5225                         continue;
5226
5227
5228                 /* Bypass invalid local loop ID. */
5229                 if (loop_id > LAST_LOCAL_LOOP_ID)
5230                         continue;
5231
5232                 memset(new_fcport->port_name, 0, WWN_SIZE);
5233
5234                 /* Fill in member data. */
5235                 new_fcport->d_id.b.domain = domain;
5236                 new_fcport->d_id.b.area = area;
5237                 new_fcport->d_id.b.al_pa = al_pa;
5238                 new_fcport->loop_id = loop_id;
5239                 new_fcport->scan_state = QLA_FCPORT_FOUND;
5240
5241                 rval2 = qla2x00_get_port_database(vha, new_fcport, 0);
5242                 if (rval2 != QLA_SUCCESS) {
5243                         ql_dbg(ql_dbg_disc, vha, 0x2097,
5244                             "Failed to retrieve fcport information "
5245                             "-- get_port_database=%x, loop_id=0x%04x.\n",
5246                             rval2, new_fcport->loop_id);
5247                         /* Skip retry if N2N */
5248                         if (ha->current_topology != ISP_CFG_N) {
5249                                 ql_dbg(ql_dbg_disc, vha, 0x2105,
5250                                     "Scheduling resync.\n");
5251                                 set_bit(LOOP_RESYNC_NEEDED, &vha->dpc_flags);
5252                                 continue;
5253                         }
5254                 }
5255
5256                 spin_lock_irqsave(&vha->hw->tgt.sess_lock, flags);
5257                 /* Check for matching device in port list. */
5258                 found = 0;
5259                 fcport = NULL;
5260                 list_for_each_entry(fcport, &vha->vp_fcports, list) {
5261                         if (memcmp(new_fcport->port_name, fcport->port_name,
5262                             WWN_SIZE))
5263                                 continue;
5264
5265                         fcport->flags &= ~FCF_FABRIC_DEVICE;
5266                         fcport->loop_id = new_fcport->loop_id;
5267                         fcport->port_type = new_fcport->port_type;
5268                         fcport->d_id.b24 = new_fcport->d_id.b24;
5269                         memcpy(fcport->node_name, new_fcport->node_name,
5270                             WWN_SIZE);
5271                         fcport->scan_state = QLA_FCPORT_FOUND;
5272                         found++;
5273                         break;
5274                 }
5275
5276                 if (!found) {
5277                         /* New device, add to fcports list. */
5278                         list_add_tail(&new_fcport->list, &vha->vp_fcports);
5279
5280                         /* Allocate a new replacement fcport. */
5281                         fcport = new_fcport;
5282
5283                         spin_unlock_irqrestore(&vha->hw->tgt.sess_lock, flags);
5284
5285                         new_fcport = qla2x00_alloc_fcport(vha, GFP_KERNEL);
5286
5287                         if (new_fcport == NULL) {
5288                                 ql_log(ql_log_warn, vha, 0xd031,
5289                                     "Failed to allocate memory for fcport.\n");
5290                                 rval = QLA_MEMORY_ALLOC_FAILED;
5291                                 goto err;
5292                         }
5293                         spin_lock_irqsave(&vha->hw->tgt.sess_lock, flags);
5294                         new_fcport->flags &= ~FCF_FABRIC_DEVICE;
5295                 }
5296
5297                 spin_unlock_irqrestore(&vha->hw->tgt.sess_lock, flags);
5298
5299                 /* Base iIDMA settings on HBA port speed. */
5300                 fcport->fp_speed = ha->link_data_rate;
5301
5302                 found_devs++;
5303         }
5304
5305         list_for_each_entry(fcport, &vha->vp_fcports, list) {
5306                 if (test_bit(LOOP_RESYNC_NEEDED, &vha->dpc_flags))
5307                         break;
5308
5309                 if (fcport->scan_state == QLA_FCPORT_SCAN) {
5310                         if ((qla_dual_mode_enabled(vha) ||
5311                             qla_ini_mode_enabled(vha)) &&
5312                             atomic_read(&fcport->state) == FCS_ONLINE) {
5313                                 qla2x00_mark_device_lost(vha, fcport,
5314                                         ql2xplogiabsentdevice);
5315                                 if (fcport->loop_id != FC_NO_LOOP_ID &&
5316                                     (fcport->flags & FCF_FCP2_DEVICE) == 0 &&
5317                                     fcport->port_type != FCT_INITIATOR &&
5318                                     fcport->port_type != FCT_BROADCAST) {
5319                                         ql_dbg(ql_dbg_disc, vha, 0x20f0,
5320                                             "%s %d %8phC post del sess\n",
5321                                             __func__, __LINE__,
5322                                             fcport->port_name);
5323
5324                                         qlt_schedule_sess_for_deletion(fcport);
5325                                         continue;
5326                                 }
5327                         }
5328                 }
5329
5330                 if (fcport->scan_state == QLA_FCPORT_FOUND)
5331                         qla24xx_fcport_handle_login(vha, fcport);
5332         }
5333
5334         qla2x00_free_fcport(new_fcport);
5335
5336         return rval;
5337
5338 err:
5339         ql_dbg(ql_dbg_disc, vha, 0x2098,
5340                "Configure local loop error exit: rval=%x.\n", rval);
5341         return rval;
5342 }
5343
5344 static void
5345 qla2x00_iidma_fcport(scsi_qla_host_t *vha, fc_port_t *fcport)
5346 {
5347         int rval;
5348         uint16_t mb[MAILBOX_REGISTER_COUNT];
5349         struct qla_hw_data *ha = vha->hw;
5350
5351         if (!IS_IIDMA_CAPABLE(ha))
5352                 return;
5353
5354         if (atomic_read(&fcport->state) != FCS_ONLINE)
5355                 return;
5356
5357         if (fcport->fp_speed == PORT_SPEED_UNKNOWN ||
5358             fcport->fp_speed > ha->link_data_rate ||
5359             !ha->flags.gpsc_supported)
5360                 return;
5361
5362         rval = qla2x00_set_idma_speed(vha, fcport->loop_id, fcport->fp_speed,
5363             mb);
5364         if (rval != QLA_SUCCESS) {
5365                 ql_dbg(ql_dbg_disc, vha, 0x2004,
5366                     "Unable to adjust iIDMA %8phN -- %04x %x %04x %04x.\n",
5367                     fcport->port_name, rval, fcport->fp_speed, mb[0], mb[1]);
5368         } else {
5369                 ql_dbg(ql_dbg_disc, vha, 0x2005,
5370                     "iIDMA adjusted to %s GB/s (%X) on %8phN.\n",
5371                     qla2x00_get_link_speed_str(ha, fcport->fp_speed),
5372                     fcport->fp_speed, fcport->port_name);
5373         }
5374 }
5375
5376 void qla_do_iidma_work(struct scsi_qla_host *vha, fc_port_t *fcport)
5377 {
5378         qla2x00_iidma_fcport(vha, fcport);
5379         qla24xx_update_fcport_fcp_prio(vha, fcport);
5380 }
5381
5382 int qla_post_iidma_work(struct scsi_qla_host *vha, fc_port_t *fcport)
5383 {
5384         struct qla_work_evt *e;
5385
5386         e = qla2x00_alloc_work(vha, QLA_EVT_IIDMA);
5387         if (!e)
5388                 return QLA_FUNCTION_FAILED;
5389
5390         e->u.fcport.fcport = fcport;
5391         return qla2x00_post_work(vha, e);
5392 }
5393
5394 /* qla2x00_reg_remote_port is reserved for Initiator Mode only.*/
5395 static void
5396 qla2x00_reg_remote_port(scsi_qla_host_t *vha, fc_port_t *fcport)
5397 {
5398         struct fc_rport_identifiers rport_ids;
5399         struct fc_rport *rport;
5400         unsigned long flags;
5401
5402         if (atomic_read(&fcport->state) == FCS_ONLINE)
5403                 return;
5404
5405         rport_ids.node_name = wwn_to_u64(fcport->node_name);
5406         rport_ids.port_name = wwn_to_u64(fcport->port_name);
5407         rport_ids.port_id = fcport->d_id.b.domain << 16 |
5408             fcport->d_id.b.area << 8 | fcport->d_id.b.al_pa;
5409         rport_ids.roles = FC_RPORT_ROLE_UNKNOWN;
5410         fcport->rport = rport = fc_remote_port_add(vha->host, 0, &rport_ids);
5411         if (!rport) {
5412                 ql_log(ql_log_warn, vha, 0x2006,
5413                     "Unable to allocate fc remote port.\n");
5414                 return;
5415         }
5416
5417         spin_lock_irqsave(fcport->vha->host->host_lock, flags);
5418         *((fc_port_t **)rport->dd_data) = fcport;
5419         spin_unlock_irqrestore(fcport->vha->host->host_lock, flags);
5420
5421         rport->supported_classes = fcport->supported_classes;
5422
5423         rport_ids.roles = FC_PORT_ROLE_UNKNOWN;
5424         if (fcport->port_type == FCT_INITIATOR)
5425                 rport_ids.roles |= FC_PORT_ROLE_FCP_INITIATOR;
5426         if (fcport->port_type == FCT_TARGET)
5427                 rport_ids.roles |= FC_PORT_ROLE_FCP_TARGET;
5428         if (fcport->port_type & FCT_NVME_INITIATOR)
5429                 rport_ids.roles |= FC_PORT_ROLE_NVME_INITIATOR;
5430         if (fcport->port_type & FCT_NVME_TARGET)
5431                 rport_ids.roles |= FC_PORT_ROLE_NVME_TARGET;
5432         if (fcport->port_type & FCT_NVME_DISCOVERY)
5433                 rport_ids.roles |= FC_PORT_ROLE_NVME_DISCOVERY;
5434
5435         ql_dbg(ql_dbg_disc, vha, 0x20ee,
5436             "%s %8phN. rport %p is %s mode\n",
5437             __func__, fcport->port_name, rport,
5438             (fcport->port_type == FCT_TARGET) ? "tgt" :
5439             ((fcport->port_type & FCT_NVME) ? "nvme" : "ini"));
5440
5441         fc_remote_port_rolechg(rport, rport_ids.roles);
5442 }
5443
5444 /*
5445  * qla2x00_update_fcport
5446  *      Updates device on list.
5447  *
5448  * Input:
5449  *      ha = adapter block pointer.
5450  *      fcport = port structure pointer.
5451  *
5452  * Return:
5453  *      0  - Success
5454  *  BIT_0 - error
5455  *
5456  * Context:
5457  *      Kernel context.
5458  */
5459 void
5460 qla2x00_update_fcport(scsi_qla_host_t *vha, fc_port_t *fcport)
5461 {
5462         if (IS_SW_RESV_ADDR(fcport->d_id))
5463                 return;
5464
5465         ql_dbg(ql_dbg_disc, vha, 0x20ef, "%s %8phC\n",
5466             __func__, fcport->port_name);
5467
5468         qla2x00_set_fcport_disc_state(fcport, DSC_UPD_FCPORT);
5469         fcport->login_retry = vha->hw->login_retry_count;
5470         fcport->flags &= ~(FCF_LOGIN_NEEDED | FCF_ASYNC_SENT);
5471         fcport->deleted = 0;
5472         if (vha->hw->current_topology == ISP_CFG_NL)
5473                 fcport->logout_on_delete = 0;
5474         else
5475                 fcport->logout_on_delete = 1;
5476         fcport->n2n_chip_reset = fcport->n2n_link_reset_cnt = 0;
5477
5478         switch (vha->hw->current_topology) {
5479         case ISP_CFG_N:
5480         case ISP_CFG_NL:
5481                 fcport->keep_nport_handle = 1;
5482                 break;
5483         default:
5484                 break;
5485         }
5486
5487         qla2x00_iidma_fcport(vha, fcport);
5488
5489         if (NVME_TARGET(vha->hw, fcport)) {
5490                 qla_nvme_register_remote(vha, fcport);
5491                 qla2x00_set_fcport_disc_state(fcport, DSC_LOGIN_COMPLETE);
5492                 qla2x00_set_fcport_state(fcport, FCS_ONLINE);
5493                 return;
5494         }
5495
5496         qla24xx_update_fcport_fcp_prio(vha, fcport);
5497
5498         switch (vha->host->active_mode) {
5499         case MODE_INITIATOR:
5500                 qla2x00_reg_remote_port(vha, fcport);
5501                 break;
5502         case MODE_TARGET:
5503                 if (!vha->vha_tgt.qla_tgt->tgt_stop &&
5504                         !vha->vha_tgt.qla_tgt->tgt_stopped)
5505                         qlt_fc_port_added(vha, fcport);
5506                 break;
5507         case MODE_DUAL:
5508                 qla2x00_reg_remote_port(vha, fcport);
5509                 if (!vha->vha_tgt.qla_tgt->tgt_stop &&
5510                         !vha->vha_tgt.qla_tgt->tgt_stopped)
5511                         qlt_fc_port_added(vha, fcport);
5512                 break;
5513         default:
5514                 break;
5515         }
5516
5517         qla2x00_set_fcport_state(fcport, FCS_ONLINE);
5518
5519         if (IS_IIDMA_CAPABLE(vha->hw) && vha->hw->flags.gpsc_supported) {
5520                 if (fcport->id_changed) {
5521                         fcport->id_changed = 0;
5522                         ql_dbg(ql_dbg_disc, vha, 0x20d7,
5523                             "%s %d %8phC post gfpnid fcp_cnt %d\n",
5524                             __func__, __LINE__, fcport->port_name,
5525                             vha->fcport_count);
5526                         qla24xx_post_gfpnid_work(vha, fcport);
5527                 } else {
5528                         ql_dbg(ql_dbg_disc, vha, 0x20d7,
5529                             "%s %d %8phC post gpsc fcp_cnt %d\n",
5530                             __func__, __LINE__, fcport->port_name,
5531                             vha->fcport_count);
5532                         qla24xx_post_gpsc_work(vha, fcport);
5533                 }
5534         }
5535
5536         qla2x00_set_fcport_disc_state(fcport, DSC_LOGIN_COMPLETE);
5537 }
5538
5539 void qla_register_fcport_fn(struct work_struct *work)
5540 {
5541         fc_port_t *fcport = container_of(work, struct fc_port, reg_work);
5542         u32 rscn_gen = fcport->rscn_gen;
5543         u16 data[2];
5544
5545         if (IS_SW_RESV_ADDR(fcport->d_id))
5546                 return;
5547
5548         qla2x00_update_fcport(fcport->vha, fcport);
5549
5550         if (rscn_gen != fcport->rscn_gen) {
5551                 /* RSCN(s) came in while registration */
5552                 switch (fcport->next_disc_state) {
5553                 case DSC_DELETE_PEND:
5554                         qlt_schedule_sess_for_deletion(fcport);
5555                         break;
5556                 case DSC_ADISC:
5557                         data[0] = data[1] = 0;
5558                         qla2x00_post_async_adisc_work(fcport->vha, fcport,
5559                             data);
5560                         break;
5561                 default:
5562                         break;
5563                 }
5564         }
5565 }
5566
5567 /*
5568  * qla2x00_configure_fabric
5569  *      Setup SNS devices with loop ID's.
5570  *
5571  * Input:
5572  *      ha = adapter block pointer.
5573  *
5574  * Returns:
5575  *      0 = success.
5576  *      BIT_0 = error
5577  */
5578 static int
5579 qla2x00_configure_fabric(scsi_qla_host_t *vha)
5580 {
5581         int     rval;
5582         fc_port_t       *fcport;
5583         uint16_t        mb[MAILBOX_REGISTER_COUNT];
5584         uint16_t        loop_id;
5585         LIST_HEAD(new_fcports);
5586         struct qla_hw_data *ha = vha->hw;
5587         int             discovery_gen;
5588
5589         /* If FL port exists, then SNS is present */
5590         if (IS_FWI2_CAPABLE(ha))
5591                 loop_id = NPH_F_PORT;
5592         else
5593                 loop_id = SNS_FL_PORT;
5594         rval = qla2x00_get_port_name(vha, loop_id, vha->fabric_node_name, 1);
5595         if (rval != QLA_SUCCESS) {
5596                 ql_dbg(ql_dbg_disc, vha, 0x20a0,
5597                     "MBX_GET_PORT_NAME failed, No FL Port.\n");
5598
5599                 vha->device_flags &= ~SWITCH_FOUND;
5600                 return (QLA_SUCCESS);
5601         }
5602         vha->device_flags |= SWITCH_FOUND;
5603
5604         rval = qla2x00_get_port_name(vha, loop_id, vha->fabric_port_name, 0);
5605         if (rval != QLA_SUCCESS)
5606                 ql_dbg(ql_dbg_disc, vha, 0x20ff,
5607                     "Failed to get Fabric Port Name\n");
5608
5609         if (qla_tgt_mode_enabled(vha) || qla_dual_mode_enabled(vha)) {
5610                 rval = qla2x00_send_change_request(vha, 0x3, 0);
5611                 if (rval != QLA_SUCCESS)
5612                         ql_log(ql_log_warn, vha, 0x121,
5613                             "Failed to enable receiving of RSCN requests: 0x%x.\n",
5614                             rval);
5615         }
5616
5617         do {
5618                 qla2x00_mgmt_svr_login(vha);
5619
5620                 /* Ensure we are logged into the SNS. */
5621                 loop_id = NPH_SNS_LID(ha);
5622                 rval = ha->isp_ops->fabric_login(vha, loop_id, 0xff, 0xff,
5623                     0xfc, mb, BIT_1|BIT_0);
5624                 if (rval != QLA_SUCCESS || mb[0] != MBS_COMMAND_COMPLETE) {
5625                         ql_dbg(ql_dbg_disc, vha, 0x20a1,
5626                             "Failed SNS login: loop_id=%x mb[0]=%x mb[1]=%x mb[2]=%x mb[6]=%x mb[7]=%x (%x).\n",
5627                             loop_id, mb[0], mb[1], mb[2], mb[6], mb[7], rval);
5628                         set_bit(LOOP_RESYNC_NEEDED, &vha->dpc_flags);
5629                         return rval;
5630                 }
5631
5632                 /* FDMI support. */
5633                 if (ql2xfdmienable &&
5634                     test_and_clear_bit(REGISTER_FDMI_NEEDED, &vha->dpc_flags))
5635                         qla2x00_fdmi_register(vha);
5636
5637                 if (test_and_clear_bit(REGISTER_FC4_NEEDED, &vha->dpc_flags)) {
5638                         if (qla2x00_rft_id(vha)) {
5639                                 /* EMPTY */
5640                                 ql_dbg(ql_dbg_disc, vha, 0x20a2,
5641                                     "Register FC-4 TYPE failed.\n");
5642                                 if (test_bit(LOOP_RESYNC_NEEDED,
5643                                     &vha->dpc_flags))
5644                                         break;
5645                         }
5646                         if (qla2x00_rff_id(vha, FC4_TYPE_FCP_SCSI)) {
5647                                 /* EMPTY */
5648                                 ql_dbg(ql_dbg_disc, vha, 0x209a,
5649                                     "Register FC-4 Features failed.\n");
5650                                 if (test_bit(LOOP_RESYNC_NEEDED,
5651                                     &vha->dpc_flags))
5652                                         break;
5653                         }
5654                         if (vha->flags.nvme_enabled) {
5655                                 if (qla2x00_rff_id(vha, FC_TYPE_NVME)) {
5656                                         ql_dbg(ql_dbg_disc, vha, 0x2049,
5657                                             "Register NVME FC Type Features failed.\n");
5658                                 }
5659                         }
5660                         if (qla2x00_rnn_id(vha)) {
5661                                 /* EMPTY */
5662                                 ql_dbg(ql_dbg_disc, vha, 0x2104,
5663                                     "Register Node Name failed.\n");
5664                                 if (test_bit(LOOP_RESYNC_NEEDED,
5665                                     &vha->dpc_flags))
5666                                         break;
5667                         } else if (qla2x00_rsnn_nn(vha)) {
5668                                 /* EMPTY */
5669                                 ql_dbg(ql_dbg_disc, vha, 0x209b,
5670                                     "Register Symbolic Node Name failed.\n");
5671                                 if (test_bit(LOOP_RESYNC_NEEDED, &vha->dpc_flags))
5672                                         break;
5673                         }
5674                 }
5675
5676
5677                 /* Mark the time right before querying FW for connected ports.
5678                  * This process is long, asynchronous and by the time it's done,
5679                  * collected information might not be accurate anymore. E.g.
5680                  * disconnected port might have re-connected and a brand new
5681                  * session has been created. In this case session's generation
5682                  * will be newer than discovery_gen. */
5683                 qlt_do_generation_tick(vha, &discovery_gen);
5684
5685                 if (USE_ASYNC_SCAN(ha)) {
5686                         rval = qla24xx_async_gpnft(vha, FC4_TYPE_FCP_SCSI,
5687                             NULL);
5688                         if (rval)
5689                                 set_bit(LOOP_RESYNC_NEEDED, &vha->dpc_flags);
5690                 } else  {
5691                         list_for_each_entry(fcport, &vha->vp_fcports, list)
5692                                 fcport->scan_state = QLA_FCPORT_SCAN;
5693
5694                         rval = qla2x00_find_all_fabric_devs(vha);
5695                 }
5696                 if (rval != QLA_SUCCESS)
5697                         break;
5698         } while (0);
5699
5700         if (!vha->nvme_local_port && vha->flags.nvme_enabled)
5701                 qla_nvme_register_hba(vha);
5702
5703         if (rval)
5704                 ql_dbg(ql_dbg_disc, vha, 0x2068,
5705                     "Configure fabric error exit rval=%d.\n", rval);
5706
5707         return (rval);
5708 }
5709
5710 /*
5711  * qla2x00_find_all_fabric_devs
5712  *
5713  * Input:
5714  *      ha = adapter block pointer.
5715  *      dev = database device entry pointer.
5716  *
5717  * Returns:
5718  *      0 = success.
5719  *
5720  * Context:
5721  *      Kernel context.
5722  */
5723 static int
5724 qla2x00_find_all_fabric_devs(scsi_qla_host_t *vha)
5725 {
5726         int             rval;
5727         uint16_t        loop_id;
5728         fc_port_t       *fcport, *new_fcport;
5729         int             found;
5730
5731         sw_info_t       *swl;
5732         int             swl_idx;
5733         int             first_dev, last_dev;
5734         port_id_t       wrap = {}, nxt_d_id;
5735         struct qla_hw_data *ha = vha->hw;
5736         struct scsi_qla_host *base_vha = pci_get_drvdata(ha->pdev);
5737         unsigned long flags;
5738
5739         rval = QLA_SUCCESS;
5740
5741         /* Try GID_PT to get device list, else GAN. */
5742         if (!ha->swl)
5743                 ha->swl = kcalloc(ha->max_fibre_devices, sizeof(sw_info_t),
5744                     GFP_KERNEL);
5745         swl = ha->swl;
5746         if (!swl) {
5747                 /*EMPTY*/
5748                 ql_dbg(ql_dbg_disc, vha, 0x209c,
5749                     "GID_PT allocations failed, fallback on GA_NXT.\n");
5750         } else {
5751                 memset(swl, 0, ha->max_fibre_devices * sizeof(sw_info_t));
5752                 if (qla2x00_gid_pt(vha, swl) != QLA_SUCCESS) {
5753                         swl = NULL;
5754                         if (test_bit(LOOP_RESYNC_NEEDED, &vha->dpc_flags))
5755                                 return rval;
5756                 } else if (qla2x00_gpn_id(vha, swl) != QLA_SUCCESS) {
5757                         swl = NULL;
5758                         if (test_bit(LOOP_RESYNC_NEEDED, &vha->dpc_flags))
5759                                 return rval;
5760                 } else if (qla2x00_gnn_id(vha, swl) != QLA_SUCCESS) {
5761                         swl = NULL;
5762                         if (test_bit(LOOP_RESYNC_NEEDED, &vha->dpc_flags))
5763                                 return rval;
5764                 } else if (qla2x00_gfpn_id(vha, swl) != QLA_SUCCESS) {
5765                         swl = NULL;
5766                         if (test_bit(LOOP_RESYNC_NEEDED, &vha->dpc_flags))
5767                                 return rval;
5768                 }
5769
5770                 /* If other queries succeeded probe for FC-4 type */
5771                 if (swl) {
5772                         qla2x00_gff_id(vha, swl);
5773                         if (test_bit(LOOP_RESYNC_NEEDED, &vha->dpc_flags))
5774                                 return rval;
5775                 }
5776         }
5777         swl_idx = 0;
5778
5779         /* Allocate temporary fcport for any new fcports discovered. */
5780         new_fcport = qla2x00_alloc_fcport(vha, GFP_KERNEL);
5781         if (new_fcport == NULL) {
5782                 ql_log(ql_log_warn, vha, 0x209d,
5783                     "Failed to allocate memory for fcport.\n");
5784                 return (QLA_MEMORY_ALLOC_FAILED);
5785         }
5786         new_fcport->flags |= (FCF_FABRIC_DEVICE | FCF_LOGIN_NEEDED);
5787         /* Set start port ID scan at adapter ID. */
5788         first_dev = 1;
5789         last_dev = 0;
5790
5791         /* Starting free loop ID. */
5792         loop_id = ha->min_external_loopid;
5793         for (; loop_id <= ha->max_loop_id; loop_id++) {
5794                 if (qla2x00_is_reserved_id(vha, loop_id))
5795                         continue;
5796
5797                 if (ha->current_topology == ISP_CFG_FL &&
5798                     (atomic_read(&vha->loop_down_timer) ||
5799                      LOOP_TRANSITION(vha))) {
5800                         atomic_set(&vha->loop_down_timer, 0);
5801                         set_bit(LOOP_RESYNC_NEEDED, &vha->dpc_flags);
5802                         set_bit(LOCAL_LOOP_UPDATE, &vha->dpc_flags);
5803                         break;
5804                 }
5805
5806                 if (swl != NULL) {
5807                         if (last_dev) {
5808                                 wrap.b24 = new_fcport->d_id.b24;
5809                         } else {
5810                                 new_fcport->d_id.b24 = swl[swl_idx].d_id.b24;
5811                                 memcpy(new_fcport->node_name,
5812                                     swl[swl_idx].node_name, WWN_SIZE);
5813                                 memcpy(new_fcport->port_name,
5814                                     swl[swl_idx].port_name, WWN_SIZE);
5815                                 memcpy(new_fcport->fabric_port_name,
5816                                     swl[swl_idx].fabric_port_name, WWN_SIZE);
5817                                 new_fcport->fp_speed = swl[swl_idx].fp_speed;
5818                                 new_fcport->fc4_type = swl[swl_idx].fc4_type;
5819
5820                                 new_fcport->nvme_flag = 0;
5821                                 if (vha->flags.nvme_enabled &&
5822                                     swl[swl_idx].fc4_type & FS_FC4TYPE_NVME) {
5823                                         ql_log(ql_log_info, vha, 0x2131,
5824                                             "FOUND: NVME port %8phC as FC Type 28h\n",
5825                                             new_fcport->port_name);
5826                                 }
5827
5828                                 if (swl[swl_idx].d_id.b.rsvd_1 != 0) {
5829                                         last_dev = 1;
5830                                 }
5831                                 swl_idx++;
5832                         }
5833                 } else {
5834                         /* Send GA_NXT to the switch */
5835                         rval = qla2x00_ga_nxt(vha, new_fcport);
5836                         if (rval != QLA_SUCCESS) {
5837                                 ql_log(ql_log_warn, vha, 0x209e,
5838                                     "SNS scan failed -- assuming "
5839                                     "zero-entry result.\n");
5840                                 rval = QLA_SUCCESS;
5841                                 break;
5842                         }
5843                 }
5844
5845                 /* If wrap on switch device list, exit. */
5846                 if (first_dev) {
5847                         wrap.b24 = new_fcport->d_id.b24;
5848                         first_dev = 0;
5849                 } else if (new_fcport->d_id.b24 == wrap.b24) {
5850                         ql_dbg(ql_dbg_disc, vha, 0x209f,
5851                             "Device wrap (%02x%02x%02x).\n",
5852                             new_fcport->d_id.b.domain,
5853                             new_fcport->d_id.b.area,
5854                             new_fcport->d_id.b.al_pa);
5855                         break;
5856                 }
5857
5858                 /* Bypass if same physical adapter. */
5859                 if (new_fcport->d_id.b24 == base_vha->d_id.b24)
5860                         continue;
5861
5862                 /* Bypass virtual ports of the same host. */
5863                 if (qla2x00_is_a_vp_did(vha, new_fcport->d_id.b24))
5864                         continue;
5865
5866                 /* Bypass if same domain and area of adapter. */
5867                 if (((new_fcport->d_id.b24 & 0xffff00) ==
5868                     (vha->d_id.b24 & 0xffff00)) && ha->current_topology ==
5869                         ISP_CFG_FL)
5870                             continue;
5871
5872                 /* Bypass reserved domain fields. */
5873                 if ((new_fcport->d_id.b.domain & 0xf0) == 0xf0)
5874                         continue;
5875
5876                 /* Bypass ports whose FCP-4 type is not FCP_SCSI */
5877                 if (ql2xgffidenable &&
5878                     (!(new_fcport->fc4_type & FS_FC4TYPE_FCP) &&
5879                     new_fcport->fc4_type != 0))
5880                         continue;
5881
5882                 spin_lock_irqsave(&vha->hw->tgt.sess_lock, flags);
5883
5884                 /* Locate matching device in database. */
5885                 found = 0;
5886                 list_for_each_entry(fcport, &vha->vp_fcports, list) {
5887                         if (memcmp(new_fcport->port_name, fcport->port_name,
5888                             WWN_SIZE))
5889                                 continue;
5890
5891                         fcport->scan_state = QLA_FCPORT_FOUND;
5892
5893                         found++;
5894
5895                         /* Update port state. */
5896                         memcpy(fcport->fabric_port_name,
5897                             new_fcport->fabric_port_name, WWN_SIZE);
5898                         fcport->fp_speed = new_fcport->fp_speed;
5899
5900                         /*
5901                          * If address the same and state FCS_ONLINE
5902                          * (or in target mode), nothing changed.
5903                          */
5904                         if (fcport->d_id.b24 == new_fcport->d_id.b24 &&
5905                             (atomic_read(&fcport->state) == FCS_ONLINE ||
5906                              (vha->host->active_mode == MODE_TARGET))) {
5907                                 break;
5908                         }
5909
5910                         /*
5911                          * If device was not a fabric device before.
5912                          */
5913                         if ((fcport->flags & FCF_FABRIC_DEVICE) == 0) {
5914                                 fcport->d_id.b24 = new_fcport->d_id.b24;
5915                                 qla2x00_clear_loop_id(fcport);
5916                                 fcport->flags |= (FCF_FABRIC_DEVICE |
5917                                     FCF_LOGIN_NEEDED);
5918                                 break;
5919                         }
5920
5921                         /*
5922                          * Port ID changed or device was marked to be updated;
5923                          * Log it out if still logged in and mark it for
5924                          * relogin later.
5925                          */
5926                         if (qla_tgt_mode_enabled(base_vha)) {
5927                                 ql_dbg(ql_dbg_tgt_mgt, vha, 0xf080,
5928                                          "port changed FC ID, %8phC"
5929                                          " old %x:%x:%x (loop_id 0x%04x)-> new %x:%x:%x\n",
5930                                          fcport->port_name,
5931                                          fcport->d_id.b.domain,
5932                                          fcport->d_id.b.area,
5933                                          fcport->d_id.b.al_pa,
5934                                          fcport->loop_id,
5935                                          new_fcport->d_id.b.domain,
5936                                          new_fcport->d_id.b.area,
5937                                          new_fcport->d_id.b.al_pa);
5938                                 fcport->d_id.b24 = new_fcport->d_id.b24;
5939                                 break;
5940                         }
5941
5942                         fcport->d_id.b24 = new_fcport->d_id.b24;
5943                         fcport->flags |= FCF_LOGIN_NEEDED;
5944                         break;
5945                 }
5946
5947                 if (found && NVME_TARGET(vha->hw, fcport)) {
5948                         if (fcport->disc_state == DSC_DELETE_PEND) {
5949                                 qla2x00_set_fcport_disc_state(fcport, DSC_GNL);
5950                                 vha->fcport_count--;
5951                                 fcport->login_succ = 0;
5952                         }
5953                 }
5954
5955                 if (found) {
5956                         spin_unlock_irqrestore(&vha->hw->tgt.sess_lock, flags);
5957                         continue;
5958                 }
5959                 /* If device was not in our fcports list, then add it. */
5960                 new_fcport->scan_state = QLA_FCPORT_FOUND;
5961                 list_add_tail(&new_fcport->list, &vha->vp_fcports);
5962
5963                 spin_unlock_irqrestore(&vha->hw->tgt.sess_lock, flags);
5964
5965
5966                 /* Allocate a new replacement fcport. */
5967                 nxt_d_id.b24 = new_fcport->d_id.b24;
5968                 new_fcport = qla2x00_alloc_fcport(vha, GFP_KERNEL);
5969                 if (new_fcport == NULL) {
5970                         ql_log(ql_log_warn, vha, 0xd032,
5971                             "Memory allocation failed for fcport.\n");
5972                         return (QLA_MEMORY_ALLOC_FAILED);
5973                 }
5974                 new_fcport->flags |= (FCF_FABRIC_DEVICE | FCF_LOGIN_NEEDED);
5975                 new_fcport->d_id.b24 = nxt_d_id.b24;
5976         }
5977
5978         qla2x00_free_fcport(new_fcport);
5979
5980         /*
5981          * Logout all previous fabric dev marked lost, except FCP2 devices.
5982          */
5983         list_for_each_entry(fcport, &vha->vp_fcports, list) {
5984                 if (test_bit(LOOP_RESYNC_NEEDED, &vha->dpc_flags))
5985                         break;
5986
5987                 if ((fcport->flags & FCF_FABRIC_DEVICE) == 0)
5988                         continue;
5989
5990                 if (fcport->scan_state == QLA_FCPORT_SCAN) {
5991                         if ((qla_dual_mode_enabled(vha) ||
5992                             qla_ini_mode_enabled(vha)) &&
5993                             atomic_read(&fcport->state) == FCS_ONLINE) {
5994                                 qla2x00_mark_device_lost(vha, fcport,
5995                                         ql2xplogiabsentdevice);
5996                                 if (fcport->loop_id != FC_NO_LOOP_ID &&
5997                                     (fcport->flags & FCF_FCP2_DEVICE) == 0 &&
5998                                     fcport->port_type != FCT_INITIATOR &&
5999                                     fcport->port_type != FCT_BROADCAST) {
6000                                         ql_dbg(ql_dbg_disc, vha, 0x20f0,
6001                                             "%s %d %8phC post del sess\n",
6002                                             __func__, __LINE__,
6003                                             fcport->port_name);
6004                                         qlt_schedule_sess_for_deletion(fcport);
6005                                         continue;
6006                                 }
6007                         }
6008                 }
6009
6010                 if (fcport->scan_state == QLA_FCPORT_FOUND &&
6011                     (fcport->flags & FCF_LOGIN_NEEDED) != 0)
6012                         qla24xx_fcport_handle_login(vha, fcport);
6013         }
6014         return (rval);
6015 }
6016
6017 /* FW does not set aside Loop id for MGMT Server/FFFFFAh */
6018 int
6019 qla2x00_reserve_mgmt_server_loop_id(scsi_qla_host_t *vha)
6020 {
6021         int loop_id = FC_NO_LOOP_ID;
6022         int lid = NPH_MGMT_SERVER - vha->vp_idx;
6023         unsigned long flags;
6024         struct qla_hw_data *ha = vha->hw;
6025
6026         if (vha->vp_idx == 0) {
6027                 set_bit(NPH_MGMT_SERVER, ha->loop_id_map);
6028                 return NPH_MGMT_SERVER;
6029         }
6030
6031         /* pick id from high and work down to low */
6032         spin_lock_irqsave(&ha->vport_slock, flags);
6033         for (; lid > 0; lid--) {
6034                 if (!test_bit(lid, vha->hw->loop_id_map)) {
6035                         set_bit(lid, vha->hw->loop_id_map);
6036                         loop_id = lid;
6037                         break;
6038                 }
6039         }
6040         spin_unlock_irqrestore(&ha->vport_slock, flags);
6041
6042         return loop_id;
6043 }
6044
6045 /*
6046  * qla2x00_fabric_login
6047  *      Issue fabric login command.
6048  *
6049  * Input:
6050  *      ha = adapter block pointer.
6051  *      device = pointer to FC device type structure.
6052  *
6053  * Returns:
6054  *      0 - Login successfully
6055  *      1 - Login failed
6056  *      2 - Initiator device
6057  *      3 - Fatal error
6058  */
6059 int
6060 qla2x00_fabric_login(scsi_qla_host_t *vha, fc_port_t *fcport,
6061     uint16_t *next_loopid)
6062 {
6063         int     rval;
6064         int     retry;
6065         uint16_t tmp_loopid;
6066         uint16_t mb[MAILBOX_REGISTER_COUNT];
6067         struct qla_hw_data *ha = vha->hw;
6068
6069         retry = 0;
6070         tmp_loopid = 0;
6071
6072         for (;;) {
6073                 ql_dbg(ql_dbg_disc, vha, 0x2000,
6074                     "Trying Fabric Login w/loop id 0x%04x for port "
6075                     "%02x%02x%02x.\n",
6076                     fcport->loop_id, fcport->d_id.b.domain,
6077                     fcport->d_id.b.area, fcport->d_id.b.al_pa);
6078
6079                 /* Login fcport on switch. */
6080                 rval = ha->isp_ops->fabric_login(vha, fcport->loop_id,
6081                     fcport->d_id.b.domain, fcport->d_id.b.area,
6082                     fcport->d_id.b.al_pa, mb, BIT_0);
6083                 if (rval != QLA_SUCCESS) {
6084                         return rval;
6085                 }
6086                 if (mb[0] == MBS_PORT_ID_USED) {
6087                         /*
6088                          * Device has another loop ID.  The firmware team
6089                          * recommends the driver perform an implicit login with
6090                          * the specified ID again. The ID we just used is save
6091                          * here so we return with an ID that can be tried by
6092                          * the next login.
6093                          */
6094                         retry++;
6095                         tmp_loopid = fcport->loop_id;
6096                         fcport->loop_id = mb[1];
6097
6098                         ql_dbg(ql_dbg_disc, vha, 0x2001,
6099                             "Fabric Login: port in use - next loop "
6100                             "id=0x%04x, port id= %02x%02x%02x.\n",
6101                             fcport->loop_id, fcport->d_id.b.domain,
6102                             fcport->d_id.b.area, fcport->d_id.b.al_pa);
6103
6104                 } else if (mb[0] == MBS_COMMAND_COMPLETE) {
6105                         /*
6106                          * Login succeeded.
6107                          */
6108                         if (retry) {
6109                                 /* A retry occurred before. */
6110                                 *next_loopid = tmp_loopid;
6111                         } else {
6112                                 /*
6113                                  * No retry occurred before. Just increment the
6114                                  * ID value for next login.
6115                                  */
6116                                 *next_loopid = (fcport->loop_id + 1);
6117                         }
6118
6119                         if (mb[1] & BIT_0) {
6120                                 fcport->port_type = FCT_INITIATOR;
6121                         } else {
6122                                 fcport->port_type = FCT_TARGET;
6123                                 if (mb[1] & BIT_1) {
6124                                         fcport->flags |= FCF_FCP2_DEVICE;
6125                                 }
6126                         }
6127
6128                         if (mb[10] & BIT_0)
6129                                 fcport->supported_classes |= FC_COS_CLASS2;
6130                         if (mb[10] & BIT_1)
6131                                 fcport->supported_classes |= FC_COS_CLASS3;
6132
6133                         if (IS_FWI2_CAPABLE(ha)) {
6134                                 if (mb[10] & BIT_7)
6135                                         fcport->flags |=
6136                                             FCF_CONF_COMP_SUPPORTED;
6137                         }
6138
6139                         rval = QLA_SUCCESS;
6140                         break;
6141                 } else if (mb[0] == MBS_LOOP_ID_USED) {
6142                         /*
6143                          * Loop ID already used, try next loop ID.
6144                          */
6145                         fcport->loop_id++;
6146                         rval = qla2x00_find_new_loop_id(vha, fcport);
6147                         if (rval != QLA_SUCCESS) {
6148                                 /* Ran out of loop IDs to use */
6149                                 break;
6150                         }
6151                 } else if (mb[0] == MBS_COMMAND_ERROR) {
6152                         /*
6153                          * Firmware possibly timed out during login. If NO
6154                          * retries are left to do then the device is declared
6155                          * dead.
6156                          */
6157                         *next_loopid = fcport->loop_id;
6158                         ha->isp_ops->fabric_logout(vha, fcport->loop_id,
6159                             fcport->d_id.b.domain, fcport->d_id.b.area,
6160                             fcport->d_id.b.al_pa);
6161                         qla2x00_mark_device_lost(vha, fcport, 1);
6162
6163                         rval = 1;
6164                         break;
6165                 } else {
6166                         /*
6167                          * unrecoverable / not handled error
6168                          */
6169                         ql_dbg(ql_dbg_disc, vha, 0x2002,
6170                             "Failed=%x port_id=%02x%02x%02x loop_id=%x "
6171                             "jiffies=%lx.\n", mb[0], fcport->d_id.b.domain,
6172                             fcport->d_id.b.area, fcport->d_id.b.al_pa,
6173                             fcport->loop_id, jiffies);
6174
6175                         *next_loopid = fcport->loop_id;
6176                         ha->isp_ops->fabric_logout(vha, fcport->loop_id,
6177                             fcport->d_id.b.domain, fcport->d_id.b.area,
6178                             fcport->d_id.b.al_pa);
6179                         qla2x00_clear_loop_id(fcport);
6180                         fcport->login_retry = 0;
6181
6182                         rval = 3;
6183                         break;
6184                 }
6185         }
6186
6187         return (rval);
6188 }
6189
6190 /*
6191  * qla2x00_local_device_login
6192  *      Issue local device login command.
6193  *
6194  * Input:
6195  *      ha = adapter block pointer.
6196  *      loop_id = loop id of device to login to.
6197  *
6198  * Returns (Where's the #define!!!!):
6199  *      0 - Login successfully
6200  *      1 - Login failed
6201  *      3 - Fatal error
6202  */
6203 int
6204 qla2x00_local_device_login(scsi_qla_host_t *vha, fc_port_t *fcport)
6205 {
6206         int             rval;
6207         uint16_t        mb[MAILBOX_REGISTER_COUNT];
6208
6209         memset(mb, 0, sizeof(mb));
6210         rval = qla2x00_login_local_device(vha, fcport, mb, BIT_0);
6211         if (rval == QLA_SUCCESS) {
6212                 /* Interrogate mailbox registers for any errors */
6213                 if (mb[0] == MBS_COMMAND_ERROR)
6214                         rval = 1;
6215                 else if (mb[0] == MBS_COMMAND_PARAMETER_ERROR)
6216                         /* device not in PCB table */
6217                         rval = 3;
6218         }
6219
6220         return (rval);
6221 }
6222
6223 /*
6224  *  qla2x00_loop_resync
6225  *      Resync with fibre channel devices.
6226  *
6227  * Input:
6228  *      ha = adapter block pointer.
6229  *
6230  * Returns:
6231  *      0 = success
6232  */
6233 int
6234 qla2x00_loop_resync(scsi_qla_host_t *vha)
6235 {
6236         int rval = QLA_SUCCESS;
6237         uint32_t wait_time;
6238
6239         clear_bit(ISP_ABORT_RETRY, &vha->dpc_flags);
6240         if (vha->flags.online) {
6241                 if (!(rval = qla2x00_fw_ready(vha))) {
6242                         /* Wait at most MAX_TARGET RSCNs for a stable link. */
6243                         wait_time = 256;
6244                         do {
6245                                 if (!IS_QLAFX00(vha->hw)) {
6246                                         /*
6247                                          * Issue a marker after FW becomes
6248                                          * ready.
6249                                          */
6250                                         qla2x00_marker(vha, vha->hw->base_qpair,
6251                                             0, 0, MK_SYNC_ALL);
6252                                         vha->marker_needed = 0;
6253                                 }
6254
6255                                 /* Remap devices on Loop. */
6256                                 clear_bit(LOOP_RESYNC_NEEDED, &vha->dpc_flags);
6257
6258                                 if (IS_QLAFX00(vha->hw))
6259                                         qlafx00_configure_devices(vha);
6260                                 else
6261                                         qla2x00_configure_loop(vha);
6262
6263                                 wait_time--;
6264                         } while (!atomic_read(&vha->loop_down_timer) &&
6265                                 !(test_bit(ISP_ABORT_NEEDED, &vha->dpc_flags))
6266                                 && wait_time && (test_bit(LOOP_RESYNC_NEEDED,
6267                                 &vha->dpc_flags)));
6268                 }
6269         }
6270
6271         if (test_bit(ISP_ABORT_NEEDED, &vha->dpc_flags))
6272                 return (QLA_FUNCTION_FAILED);
6273
6274         if (rval)
6275                 ql_dbg(ql_dbg_disc, vha, 0x206c,
6276                     "%s *** FAILED ***.\n", __func__);
6277
6278         return (rval);
6279 }
6280
6281 /*
6282 * qla2x00_perform_loop_resync
6283 * Description: This function will set the appropriate flags and call
6284 *              qla2x00_loop_resync. If successful loop will be resynced
6285 * Arguments : scsi_qla_host_t pointer
6286 * returm    : Success or Failure
6287 */
6288
6289 int qla2x00_perform_loop_resync(scsi_qla_host_t *ha)
6290 {
6291         int32_t rval = 0;
6292
6293         if (!test_and_set_bit(LOOP_RESYNC_ACTIVE, &ha->dpc_flags)) {
6294                 /*Configure the flags so that resync happens properly*/
6295                 atomic_set(&ha->loop_down_timer, 0);
6296                 if (!(ha->device_flags & DFLG_NO_CABLE)) {
6297                         atomic_set(&ha->loop_state, LOOP_UP);
6298                         set_bit(LOCAL_LOOP_UPDATE, &ha->dpc_flags);
6299                         set_bit(REGISTER_FC4_NEEDED, &ha->dpc_flags);
6300                         set_bit(LOOP_RESYNC_NEEDED, &ha->dpc_flags);
6301
6302                         rval = qla2x00_loop_resync(ha);
6303                 } else
6304                         atomic_set(&ha->loop_state, LOOP_DEAD);
6305
6306                 clear_bit(LOOP_RESYNC_ACTIVE, &ha->dpc_flags);
6307         }
6308
6309         return rval;
6310 }
6311
6312 void
6313 qla2x00_update_fcports(scsi_qla_host_t *base_vha)
6314 {
6315         fc_port_t *fcport;
6316         struct scsi_qla_host *vha;
6317         struct qla_hw_data *ha = base_vha->hw;
6318         unsigned long flags;
6319
6320         spin_lock_irqsave(&ha->vport_slock, flags);
6321         /* Go with deferred removal of rport references. */
6322         list_for_each_entry(vha, &base_vha->hw->vp_list, list) {
6323                 atomic_inc(&vha->vref_count);
6324                 list_for_each_entry(fcport, &vha->vp_fcports, list) {
6325                         if (fcport->drport &&
6326                             atomic_read(&fcport->state) != FCS_UNCONFIGURED) {
6327                                 spin_unlock_irqrestore(&ha->vport_slock, flags);
6328                                 qla2x00_rport_del(fcport);
6329
6330                                 spin_lock_irqsave(&ha->vport_slock, flags);
6331                         }
6332                 }
6333                 atomic_dec(&vha->vref_count);
6334                 wake_up(&vha->vref_waitq);
6335         }
6336         spin_unlock_irqrestore(&ha->vport_slock, flags);
6337 }
6338
6339 /* Assumes idc_lock always held on entry */
6340 void
6341 qla83xx_reset_ownership(scsi_qla_host_t *vha)
6342 {
6343         struct qla_hw_data *ha = vha->hw;
6344         uint32_t drv_presence, drv_presence_mask;
6345         uint32_t dev_part_info1, dev_part_info2, class_type;
6346         uint32_t class_type_mask = 0x3;
6347         uint16_t fcoe_other_function = 0xffff, i;
6348
6349         if (IS_QLA8044(ha)) {
6350                 drv_presence = qla8044_rd_direct(vha,
6351                     QLA8044_CRB_DRV_ACTIVE_INDEX);
6352                 dev_part_info1 = qla8044_rd_direct(vha,
6353                     QLA8044_CRB_DEV_PART_INFO_INDEX);
6354                 dev_part_info2 = qla8044_rd_direct(vha,
6355                     QLA8044_CRB_DEV_PART_INFO2);
6356         } else {
6357                 qla83xx_rd_reg(vha, QLA83XX_IDC_DRV_PRESENCE, &drv_presence);
6358                 qla83xx_rd_reg(vha, QLA83XX_DEV_PARTINFO1, &dev_part_info1);
6359                 qla83xx_rd_reg(vha, QLA83XX_DEV_PARTINFO2, &dev_part_info2);
6360         }
6361         for (i = 0; i < 8; i++) {
6362                 class_type = ((dev_part_info1 >> (i * 4)) & class_type_mask);
6363                 if ((class_type == QLA83XX_CLASS_TYPE_FCOE) &&
6364                     (i != ha->portnum)) {
6365                         fcoe_other_function = i;
6366                         break;
6367                 }
6368         }
6369         if (fcoe_other_function == 0xffff) {
6370                 for (i = 0; i < 8; i++) {
6371                         class_type = ((dev_part_info2 >> (i * 4)) &
6372                             class_type_mask);
6373                         if ((class_type == QLA83XX_CLASS_TYPE_FCOE) &&
6374                             ((i + 8) != ha->portnum)) {
6375                                 fcoe_other_function = i + 8;
6376                                 break;
6377                         }
6378                 }
6379         }
6380         /*
6381          * Prepare drv-presence mask based on fcoe functions present.
6382          * However consider only valid physical fcoe function numbers (0-15).
6383          */
6384         drv_presence_mask = ~((1 << (ha->portnum)) |
6385                         ((fcoe_other_function == 0xffff) ?
6386                          0 : (1 << (fcoe_other_function))));
6387
6388         /* We are the reset owner iff:
6389          *    - No other protocol drivers present.
6390          *    - This is the lowest among fcoe functions. */
6391         if (!(drv_presence & drv_presence_mask) &&
6392                         (ha->portnum < fcoe_other_function)) {
6393                 ql_dbg(ql_dbg_p3p, vha, 0xb07f,
6394                     "This host is Reset owner.\n");
6395                 ha->flags.nic_core_reset_owner = 1;
6396         }
6397 }
6398
6399 static int
6400 __qla83xx_set_drv_ack(scsi_qla_host_t *vha)
6401 {
6402         int rval = QLA_SUCCESS;
6403         struct qla_hw_data *ha = vha->hw;
6404         uint32_t drv_ack;
6405
6406         rval = qla83xx_rd_reg(vha, QLA83XX_IDC_DRIVER_ACK, &drv_ack);
6407         if (rval == QLA_SUCCESS) {
6408                 drv_ack |= (1 << ha->portnum);
6409                 rval = qla83xx_wr_reg(vha, QLA83XX_IDC_DRIVER_ACK, drv_ack);
6410         }
6411
6412         return rval;
6413 }
6414
6415 static int
6416 __qla83xx_clear_drv_ack(scsi_qla_host_t *vha)
6417 {
6418         int rval = QLA_SUCCESS;
6419         struct qla_hw_data *ha = vha->hw;
6420         uint32_t drv_ack;
6421
6422         rval = qla83xx_rd_reg(vha, QLA83XX_IDC_DRIVER_ACK, &drv_ack);
6423         if (rval == QLA_SUCCESS) {
6424                 drv_ack &= ~(1 << ha->portnum);
6425                 rval = qla83xx_wr_reg(vha, QLA83XX_IDC_DRIVER_ACK, drv_ack);
6426         }
6427
6428         return rval;
6429 }
6430
6431 static const char *
6432 qla83xx_dev_state_to_string(uint32_t dev_state)
6433 {
6434         switch (dev_state) {
6435         case QLA8XXX_DEV_COLD:
6436                 return "COLD/RE-INIT";
6437         case QLA8XXX_DEV_INITIALIZING:
6438                 return "INITIALIZING";
6439         case QLA8XXX_DEV_READY:
6440                 return "READY";
6441         case QLA8XXX_DEV_NEED_RESET:
6442                 return "NEED RESET";
6443         case QLA8XXX_DEV_NEED_QUIESCENT:
6444                 return "NEED QUIESCENT";
6445         case QLA8XXX_DEV_FAILED:
6446                 return "FAILED";
6447         case QLA8XXX_DEV_QUIESCENT:
6448                 return "QUIESCENT";
6449         default:
6450                 return "Unknown";
6451         }
6452 }
6453
6454 /* Assumes idc-lock always held on entry */
6455 void
6456 qla83xx_idc_audit(scsi_qla_host_t *vha, int audit_type)
6457 {
6458         struct qla_hw_data *ha = vha->hw;
6459         uint32_t idc_audit_reg = 0, duration_secs = 0;
6460
6461         switch (audit_type) {
6462         case IDC_AUDIT_TIMESTAMP:
6463                 ha->idc_audit_ts = (jiffies_to_msecs(jiffies) / 1000);
6464                 idc_audit_reg = (ha->portnum) |
6465                     (IDC_AUDIT_TIMESTAMP << 7) | (ha->idc_audit_ts << 8);
6466                 qla83xx_wr_reg(vha, QLA83XX_IDC_AUDIT, idc_audit_reg);
6467                 break;
6468
6469         case IDC_AUDIT_COMPLETION:
6470                 duration_secs = ((jiffies_to_msecs(jiffies) -
6471                     jiffies_to_msecs(ha->idc_audit_ts)) / 1000);
6472                 idc_audit_reg = (ha->portnum) |
6473                     (IDC_AUDIT_COMPLETION << 7) | (duration_secs << 8);
6474                 qla83xx_wr_reg(vha, QLA83XX_IDC_AUDIT, idc_audit_reg);
6475                 break;
6476
6477         default:
6478                 ql_log(ql_log_warn, vha, 0xb078,
6479                     "Invalid audit type specified.\n");
6480                 break;
6481         }
6482 }
6483
6484 /* Assumes idc_lock always held on entry */
6485 static int
6486 qla83xx_initiating_reset(scsi_qla_host_t *vha)
6487 {
6488         struct qla_hw_data *ha = vha->hw;
6489         uint32_t  idc_control, dev_state;
6490
6491         __qla83xx_get_idc_control(vha, &idc_control);
6492         if ((idc_control & QLA83XX_IDC_RESET_DISABLED)) {
6493                 ql_log(ql_log_info, vha, 0xb080,
6494                     "NIC Core reset has been disabled. idc-control=0x%x\n",
6495                     idc_control);
6496                 return QLA_FUNCTION_FAILED;
6497         }
6498
6499         /* Set NEED-RESET iff in READY state and we are the reset-owner */
6500         qla83xx_rd_reg(vha, QLA83XX_IDC_DEV_STATE, &dev_state);
6501         if (ha->flags.nic_core_reset_owner && dev_state == QLA8XXX_DEV_READY) {
6502                 qla83xx_wr_reg(vha, QLA83XX_IDC_DEV_STATE,
6503                     QLA8XXX_DEV_NEED_RESET);
6504                 ql_log(ql_log_info, vha, 0xb056, "HW State: NEED RESET.\n");
6505                 qla83xx_idc_audit(vha, IDC_AUDIT_TIMESTAMP);
6506         } else {
6507                 const char *state = qla83xx_dev_state_to_string(dev_state);
6508
6509                 ql_log(ql_log_info, vha, 0xb057, "HW State: %s.\n", state);
6510
6511                 /* SV: XXX: Is timeout required here? */
6512                 /* Wait for IDC state change READY -> NEED_RESET */
6513                 while (dev_state == QLA8XXX_DEV_READY) {
6514                         qla83xx_idc_unlock(vha, 0);
6515                         msleep(200);
6516                         qla83xx_idc_lock(vha, 0);
6517                         qla83xx_rd_reg(vha, QLA83XX_IDC_DEV_STATE, &dev_state);
6518                 }
6519         }
6520
6521         /* Send IDC ack by writing to drv-ack register */
6522         __qla83xx_set_drv_ack(vha);
6523
6524         return QLA_SUCCESS;
6525 }
6526
6527 int
6528 __qla83xx_set_idc_control(scsi_qla_host_t *vha, uint32_t idc_control)
6529 {
6530         return qla83xx_wr_reg(vha, QLA83XX_IDC_CONTROL, idc_control);
6531 }
6532
6533 int
6534 __qla83xx_get_idc_control(scsi_qla_host_t *vha, uint32_t *idc_control)
6535 {
6536         return qla83xx_rd_reg(vha, QLA83XX_IDC_CONTROL, idc_control);
6537 }
6538
6539 static int
6540 qla83xx_check_driver_presence(scsi_qla_host_t *vha)
6541 {
6542         uint32_t drv_presence = 0;
6543         struct qla_hw_data *ha = vha->hw;
6544
6545         qla83xx_rd_reg(vha, QLA83XX_IDC_DRV_PRESENCE, &drv_presence);
6546         if (drv_presence & (1 << ha->portnum))
6547                 return QLA_SUCCESS;
6548         else
6549                 return QLA_TEST_FAILED;
6550 }
6551
6552 int
6553 qla83xx_nic_core_reset(scsi_qla_host_t *vha)
6554 {
6555         int rval = QLA_SUCCESS;
6556         struct qla_hw_data *ha = vha->hw;
6557
6558         ql_dbg(ql_dbg_p3p, vha, 0xb058,
6559             "Entered  %s().\n", __func__);
6560
6561         if (vha->device_flags & DFLG_DEV_FAILED) {
6562                 ql_log(ql_log_warn, vha, 0xb059,
6563                     "Device in unrecoverable FAILED state.\n");
6564                 return QLA_FUNCTION_FAILED;
6565         }
6566
6567         qla83xx_idc_lock(vha, 0);
6568
6569         if (qla83xx_check_driver_presence(vha) != QLA_SUCCESS) {
6570                 ql_log(ql_log_warn, vha, 0xb05a,
6571                     "Function=0x%x has been removed from IDC participation.\n",
6572                     ha->portnum);
6573                 rval = QLA_FUNCTION_FAILED;
6574                 goto exit;
6575         }
6576
6577         qla83xx_reset_ownership(vha);
6578
6579         rval = qla83xx_initiating_reset(vha);
6580
6581         /*
6582          * Perform reset if we are the reset-owner,
6583          * else wait till IDC state changes to READY/FAILED.
6584          */
6585         if (rval == QLA_SUCCESS) {
6586                 rval = qla83xx_idc_state_handler(vha);
6587
6588                 if (rval == QLA_SUCCESS)
6589                         ha->flags.nic_core_hung = 0;
6590                 __qla83xx_clear_drv_ack(vha);
6591         }
6592
6593 exit:
6594         qla83xx_idc_unlock(vha, 0);
6595
6596         ql_dbg(ql_dbg_p3p, vha, 0xb05b, "Exiting %s.\n", __func__);
6597
6598         return rval;
6599 }
6600
6601 int
6602 qla2xxx_mctp_dump(scsi_qla_host_t *vha)
6603 {
6604         struct qla_hw_data *ha = vha->hw;
6605         int rval = QLA_FUNCTION_FAILED;
6606
6607         if (!IS_MCTP_CAPABLE(ha)) {
6608                 /* This message can be removed from the final version */
6609                 ql_log(ql_log_info, vha, 0x506d,
6610                     "This board is not MCTP capable\n");
6611                 return rval;
6612         }
6613
6614         if (!ha->mctp_dump) {
6615                 ha->mctp_dump = dma_alloc_coherent(&ha->pdev->dev,
6616                     MCTP_DUMP_SIZE, &ha->mctp_dump_dma, GFP_KERNEL);
6617
6618                 if (!ha->mctp_dump) {
6619                         ql_log(ql_log_warn, vha, 0x506e,
6620                             "Failed to allocate memory for mctp dump\n");
6621                         return rval;
6622                 }
6623         }
6624
6625 #define MCTP_DUMP_STR_ADDR      0x00000000
6626         rval = qla2x00_dump_mctp_data(vha, ha->mctp_dump_dma,
6627             MCTP_DUMP_STR_ADDR, MCTP_DUMP_SIZE/4);
6628         if (rval != QLA_SUCCESS) {
6629                 ql_log(ql_log_warn, vha, 0x506f,
6630                     "Failed to capture mctp dump\n");
6631         } else {
6632                 ql_log(ql_log_info, vha, 0x5070,
6633                     "Mctp dump capture for host (%ld/%p).\n",
6634                     vha->host_no, ha->mctp_dump);
6635                 ha->mctp_dumped = 1;
6636         }
6637
6638         if (!ha->flags.nic_core_reset_hdlr_active && !ha->portnum) {
6639                 ha->flags.nic_core_reset_hdlr_active = 1;
6640                 rval = qla83xx_restart_nic_firmware(vha);
6641                 if (rval)
6642                         /* NIC Core reset failed. */
6643                         ql_log(ql_log_warn, vha, 0x5071,
6644                             "Failed to restart nic firmware\n");
6645                 else
6646                         ql_dbg(ql_dbg_p3p, vha, 0xb084,
6647                             "Restarted NIC firmware successfully.\n");
6648                 ha->flags.nic_core_reset_hdlr_active = 0;
6649         }
6650
6651         return rval;
6652
6653 }
6654
6655 /*
6656 * qla2x00_quiesce_io
6657 * Description: This function will block the new I/Os
6658 *              Its not aborting any I/Os as context
6659 *              is not destroyed during quiescence
6660 * Arguments: scsi_qla_host_t
6661 * return   : void
6662 */
6663 void
6664 qla2x00_quiesce_io(scsi_qla_host_t *vha)
6665 {
6666         struct qla_hw_data *ha = vha->hw;
6667         struct scsi_qla_host *vp;
6668
6669         ql_dbg(ql_dbg_dpc, vha, 0x401d,
6670             "Quiescing I/O - ha=%p.\n", ha);
6671
6672         atomic_set(&ha->loop_down_timer, LOOP_DOWN_TIME);
6673         if (atomic_read(&vha->loop_state) != LOOP_DOWN) {
6674                 atomic_set(&vha->loop_state, LOOP_DOWN);
6675                 qla2x00_mark_all_devices_lost(vha);
6676                 list_for_each_entry(vp, &ha->vp_list, list)
6677                         qla2x00_mark_all_devices_lost(vp);
6678         } else {
6679                 if (!atomic_read(&vha->loop_down_timer))
6680                         atomic_set(&vha->loop_down_timer,
6681                                         LOOP_DOWN_TIME);
6682         }
6683         /* Wait for pending cmds to complete */
6684         WARN_ON_ONCE(qla2x00_eh_wait_for_pending_commands(vha, 0, 0, WAIT_HOST)
6685                      != QLA_SUCCESS);
6686 }
6687
6688 void
6689 qla2x00_abort_isp_cleanup(scsi_qla_host_t *vha)
6690 {
6691         struct qla_hw_data *ha = vha->hw;
6692         struct scsi_qla_host *vp;
6693         unsigned long flags;
6694         fc_port_t *fcport;
6695         u16 i;
6696
6697         /* For ISP82XX, driver waits for completion of the commands.
6698          * online flag should be set.
6699          */
6700         if (!(IS_P3P_TYPE(ha)))
6701                 vha->flags.online = 0;
6702         ha->flags.chip_reset_done = 0;
6703         clear_bit(ISP_ABORT_NEEDED, &vha->dpc_flags);
6704         vha->qla_stats.total_isp_aborts++;
6705
6706         ql_log(ql_log_info, vha, 0x00af,
6707             "Performing ISP error recovery - ha=%p.\n", ha);
6708
6709         ha->flags.purge_mbox = 1;
6710         /* For ISP82XX, reset_chip is just disabling interrupts.
6711          * Driver waits for the completion of the commands.
6712          * the interrupts need to be enabled.
6713          */
6714         if (!(IS_P3P_TYPE(ha)))
6715                 ha->isp_ops->reset_chip(vha);
6716
6717         ha->link_data_rate = PORT_SPEED_UNKNOWN;
6718         SAVE_TOPO(ha);
6719         ha->flags.rida_fmt2 = 0;
6720         ha->flags.n2n_ae = 0;
6721         ha->flags.lip_ae = 0;
6722         ha->current_topology = 0;
6723         QLA_FW_STOPPED(ha);
6724         ha->flags.fw_init_done = 0;
6725         ha->chip_reset++;
6726         ha->base_qpair->chip_reset = ha->chip_reset;
6727         for (i = 0; i < ha->max_qpairs; i++) {
6728                 if (ha->queue_pair_map[i])
6729                         ha->queue_pair_map[i]->chip_reset =
6730                                 ha->base_qpair->chip_reset;
6731         }
6732
6733         /* purge MBox commands */
6734         if (atomic_read(&ha->num_pend_mbx_stage3)) {
6735                 clear_bit(MBX_INTR_WAIT, &ha->mbx_cmd_flags);
6736                 complete(&ha->mbx_intr_comp);
6737         }
6738
6739         i = 0;
6740         while (atomic_read(&ha->num_pend_mbx_stage3) ||
6741             atomic_read(&ha->num_pend_mbx_stage2) ||
6742             atomic_read(&ha->num_pend_mbx_stage1)) {
6743                 msleep(20);
6744                 i++;
6745                 if (i > 50)
6746                         break;
6747         }
6748         ha->flags.purge_mbox = 0;
6749
6750         atomic_set(&vha->loop_down_timer, LOOP_DOWN_TIME);
6751         if (atomic_read(&vha->loop_state) != LOOP_DOWN) {
6752                 atomic_set(&vha->loop_state, LOOP_DOWN);
6753                 qla2x00_mark_all_devices_lost(vha);
6754
6755                 spin_lock_irqsave(&ha->vport_slock, flags);
6756                 list_for_each_entry(vp, &ha->vp_list, list) {
6757                         atomic_inc(&vp->vref_count);
6758                         spin_unlock_irqrestore(&ha->vport_slock, flags);
6759
6760                         qla2x00_mark_all_devices_lost(vp);
6761
6762                         spin_lock_irqsave(&ha->vport_slock, flags);
6763                         atomic_dec(&vp->vref_count);
6764                 }
6765                 spin_unlock_irqrestore(&ha->vport_slock, flags);
6766         } else {
6767                 if (!atomic_read(&vha->loop_down_timer))
6768                         atomic_set(&vha->loop_down_timer,
6769                             LOOP_DOWN_TIME);
6770         }
6771
6772         /* Clear all async request states across all VPs. */
6773         list_for_each_entry(fcport, &vha->vp_fcports, list) {
6774                 fcport->flags &= ~(FCF_LOGIN_NEEDED | FCF_ASYNC_SENT);
6775                 fcport->scan_state = 0;
6776         }
6777         spin_lock_irqsave(&ha->vport_slock, flags);
6778         list_for_each_entry(vp, &ha->vp_list, list) {
6779                 atomic_inc(&vp->vref_count);
6780                 spin_unlock_irqrestore(&ha->vport_slock, flags);
6781
6782                 list_for_each_entry(fcport, &vp->vp_fcports, list)
6783                         fcport->flags &= ~(FCF_LOGIN_NEEDED | FCF_ASYNC_SENT);
6784
6785                 spin_lock_irqsave(&ha->vport_slock, flags);
6786                 atomic_dec(&vp->vref_count);
6787         }
6788         spin_unlock_irqrestore(&ha->vport_slock, flags);
6789
6790         if (!ha->flags.eeh_busy) {
6791                 /* Make sure for ISP 82XX IO DMA is complete */
6792                 if (IS_P3P_TYPE(ha)) {
6793                         qla82xx_chip_reset_cleanup(vha);
6794                         ql_log(ql_log_info, vha, 0x00b4,
6795                             "Done chip reset cleanup.\n");
6796
6797                         /* Done waiting for pending commands.
6798                          * Reset the online flag.
6799                          */
6800                         vha->flags.online = 0;
6801                 }
6802
6803                 /* Requeue all commands in outstanding command list. */
6804                 qla2x00_abort_all_cmds(vha, DID_RESET << 16);
6805         }
6806         /* memory barrier */
6807         wmb();
6808 }
6809
6810 /*
6811 *  qla2x00_abort_isp
6812 *      Resets ISP and aborts all outstanding commands.
6813 *
6814 * Input:
6815 *      ha           = adapter block pointer.
6816 *
6817 * Returns:
6818 *      0 = success
6819 */
6820 int
6821 qla2x00_abort_isp(scsi_qla_host_t *vha)
6822 {
6823         int rval;
6824         uint8_t        status = 0;
6825         struct qla_hw_data *ha = vha->hw;
6826         struct scsi_qla_host *vp;
6827         struct req_que *req = ha->req_q_map[0];
6828         unsigned long flags;
6829
6830         if (vha->flags.online) {
6831                 qla2x00_abort_isp_cleanup(vha);
6832
6833                 if (test_and_clear_bit(ISP_ABORT_TO_ROM, &vha->dpc_flags)) {
6834                         ha->flags.chip_reset_done = 1;
6835                         vha->flags.online = 1;
6836                         status = 0;
6837                         clear_bit(ISP_ABORT_RETRY, &vha->dpc_flags);
6838                         return status;
6839                 }
6840
6841                 if (IS_QLA8031(ha)) {
6842                         ql_dbg(ql_dbg_p3p, vha, 0xb05c,
6843                             "Clearing fcoe driver presence.\n");
6844                         if (qla83xx_clear_drv_presence(vha) != QLA_SUCCESS)
6845                                 ql_dbg(ql_dbg_p3p, vha, 0xb073,
6846                                     "Error while clearing DRV-Presence.\n");
6847                 }
6848
6849                 if (unlikely(pci_channel_offline(ha->pdev) &&
6850                     ha->flags.pci_channel_io_perm_failure)) {
6851                         clear_bit(ISP_ABORT_RETRY, &vha->dpc_flags);
6852                         status = 0;
6853                         return status;
6854                 }
6855
6856                 switch (vha->qlini_mode) {
6857                 case QLA2XXX_INI_MODE_DISABLED:
6858                         if (!qla_tgt_mode_enabled(vha))
6859                                 return 0;
6860                         break;
6861                 case QLA2XXX_INI_MODE_DUAL:
6862                         if (!qla_dual_mode_enabled(vha))
6863                                 return 0;
6864                         break;
6865                 case QLA2XXX_INI_MODE_ENABLED:
6866                 default:
6867                         break;
6868                 }
6869
6870                 ha->isp_ops->get_flash_version(vha, req->ring);
6871
6872                 ha->isp_ops->nvram_config(vha);
6873
6874                 if (!qla2x00_restart_isp(vha)) {
6875                         clear_bit(RESET_MARKER_NEEDED, &vha->dpc_flags);
6876
6877                         if (!atomic_read(&vha->loop_down_timer)) {
6878                                 /*
6879                                  * Issue marker command only when we are going
6880                                  * to start the I/O .
6881                                  */
6882                                 vha->marker_needed = 1;
6883                         }
6884
6885                         vha->flags.online = 1;
6886
6887                         ha->isp_ops->enable_intrs(ha);
6888
6889                         ha->isp_abort_cnt = 0;
6890                         clear_bit(ISP_ABORT_RETRY, &vha->dpc_flags);
6891
6892                         if (IS_QLA81XX(ha) || IS_QLA8031(ha))
6893                                 qla2x00_get_fw_version(vha);
6894                         if (ha->fce) {
6895                                 ha->flags.fce_enabled = 1;
6896                                 memset(ha->fce, 0,
6897                                     fce_calc_size(ha->fce_bufs));
6898                                 rval = qla2x00_enable_fce_trace(vha,
6899                                     ha->fce_dma, ha->fce_bufs, ha->fce_mb,
6900                                     &ha->fce_bufs);
6901                                 if (rval) {
6902                                         ql_log(ql_log_warn, vha, 0x8033,
6903                                             "Unable to reinitialize FCE "
6904                                             "(%d).\n", rval);
6905                                         ha->flags.fce_enabled = 0;
6906                                 }
6907                         }
6908
6909                         if (ha->eft) {
6910                                 memset(ha->eft, 0, EFT_SIZE);
6911                                 rval = qla2x00_enable_eft_trace(vha,
6912                                     ha->eft_dma, EFT_NUM_BUFFERS);
6913                                 if (rval) {
6914                                         ql_log(ql_log_warn, vha, 0x8034,
6915                                             "Unable to reinitialize EFT "
6916                                             "(%d).\n", rval);
6917                                 }
6918                         }
6919                 } else {        /* failed the ISP abort */
6920                         vha->flags.online = 1;
6921                         if (test_bit(ISP_ABORT_RETRY, &vha->dpc_flags)) {
6922                                 if (ha->isp_abort_cnt == 0) {
6923                                         ql_log(ql_log_fatal, vha, 0x8035,
6924                                             "ISP error recover failed - "
6925                                             "board disabled.\n");
6926                                         /*
6927                                          * The next call disables the board
6928                                          * completely.
6929                                          */
6930                                         qla2x00_abort_isp_cleanup(vha);
6931                                         vha->flags.online = 0;
6932                                         clear_bit(ISP_ABORT_RETRY,
6933                                             &vha->dpc_flags);
6934                                         status = 0;
6935                                 } else { /* schedule another ISP abort */
6936                                         ha->isp_abort_cnt--;
6937                                         ql_dbg(ql_dbg_taskm, vha, 0x8020,
6938                                             "ISP abort - retry remaining %d.\n",
6939                                             ha->isp_abort_cnt);
6940                                         status = 1;
6941                                 }
6942                         } else {
6943                                 ha->isp_abort_cnt = MAX_RETRIES_OF_ISP_ABORT;
6944                                 ql_dbg(ql_dbg_taskm, vha, 0x8021,
6945                                     "ISP error recovery - retrying (%d) "
6946                                     "more times.\n", ha->isp_abort_cnt);
6947                                 set_bit(ISP_ABORT_RETRY, &vha->dpc_flags);
6948                                 status = 1;
6949                         }
6950                 }
6951
6952         }
6953
6954         if (!status) {
6955                 ql_dbg(ql_dbg_taskm, vha, 0x8022, "%s succeeded.\n", __func__);
6956                 qla2x00_configure_hba(vha);
6957                 spin_lock_irqsave(&ha->vport_slock, flags);
6958                 list_for_each_entry(vp, &ha->vp_list, list) {
6959                         if (vp->vp_idx) {
6960                                 atomic_inc(&vp->vref_count);
6961                                 spin_unlock_irqrestore(&ha->vport_slock, flags);
6962
6963                                 qla2x00_vp_abort_isp(vp);
6964
6965                                 spin_lock_irqsave(&ha->vport_slock, flags);
6966                                 atomic_dec(&vp->vref_count);
6967                         }
6968                 }
6969                 spin_unlock_irqrestore(&ha->vport_slock, flags);
6970
6971                 if (IS_QLA8031(ha)) {
6972                         ql_dbg(ql_dbg_p3p, vha, 0xb05d,
6973                             "Setting back fcoe driver presence.\n");
6974                         if (qla83xx_set_drv_presence(vha) != QLA_SUCCESS)
6975                                 ql_dbg(ql_dbg_p3p, vha, 0xb074,
6976                                     "Error while setting DRV-Presence.\n");
6977                 }
6978         } else {
6979                 ql_log(ql_log_warn, vha, 0x8023, "%s **** FAILED ****.\n",
6980                        __func__);
6981         }
6982
6983         return(status);
6984 }
6985
6986 /*
6987 *  qla2x00_restart_isp
6988 *      restarts the ISP after a reset
6989 *
6990 * Input:
6991 *      ha = adapter block pointer.
6992 *
6993 * Returns:
6994 *      0 = success
6995 */
6996 static int
6997 qla2x00_restart_isp(scsi_qla_host_t *vha)
6998 {
6999         int status;
7000         struct qla_hw_data *ha = vha->hw;
7001
7002         /* If firmware needs to be loaded */
7003         if (qla2x00_isp_firmware(vha)) {
7004                 vha->flags.online = 0;
7005                 status = ha->isp_ops->chip_diag(vha);
7006                 if (status)
7007                         return status;
7008                 status = qla2x00_setup_chip(vha);
7009                 if (status)
7010                         return status;
7011         }
7012
7013         status = qla2x00_init_rings(vha);
7014         if (status)
7015                 return status;
7016
7017         clear_bit(RESET_MARKER_NEEDED, &vha->dpc_flags);
7018         ha->flags.chip_reset_done = 1;
7019
7020         /* Initialize the queues in use */
7021         qla25xx_init_queues(ha);
7022
7023         status = qla2x00_fw_ready(vha);
7024         if (status) {
7025                 /* if no cable then assume it's good */
7026                 return vha->device_flags & DFLG_NO_CABLE ? 0 : status;
7027         }
7028
7029         /* Issue a marker after FW becomes ready. */
7030         qla2x00_marker(vha, ha->base_qpair, 0, 0, MK_SYNC_ALL);
7031         set_bit(LOOP_RESYNC_NEEDED, &vha->dpc_flags);
7032
7033         return 0;
7034 }
7035
7036 static int
7037 qla25xx_init_queues(struct qla_hw_data *ha)
7038 {
7039         struct rsp_que *rsp = NULL;
7040         struct req_que *req = NULL;
7041         struct scsi_qla_host *base_vha = pci_get_drvdata(ha->pdev);
7042         int ret = -1;
7043         int i;
7044
7045         for (i = 1; i < ha->max_rsp_queues; i++) {
7046                 rsp = ha->rsp_q_map[i];
7047                 if (rsp && test_bit(i, ha->rsp_qid_map)) {
7048                         rsp->options &= ~BIT_0;
7049                         ret = qla25xx_init_rsp_que(base_vha, rsp);
7050                         if (ret != QLA_SUCCESS)
7051                                 ql_dbg(ql_dbg_init, base_vha, 0x00ff,
7052                                     "%s Rsp que: %d init failed.\n",
7053                                     __func__, rsp->id);
7054                         else
7055                                 ql_dbg(ql_dbg_init, base_vha, 0x0100,
7056                                     "%s Rsp que: %d inited.\n",
7057                                     __func__, rsp->id);
7058                 }
7059         }
7060         for (i = 1; i < ha->max_req_queues; i++) {
7061                 req = ha->req_q_map[i];
7062                 if (req && test_bit(i, ha->req_qid_map)) {
7063                         /* Clear outstanding commands array. */
7064                         req->options &= ~BIT_0;
7065                         ret = qla25xx_init_req_que(base_vha, req);
7066                         if (ret != QLA_SUCCESS)
7067                                 ql_dbg(ql_dbg_init, base_vha, 0x0101,
7068                                     "%s Req que: %d init failed.\n",
7069                                     __func__, req->id);
7070                         else
7071                                 ql_dbg(ql_dbg_init, base_vha, 0x0102,
7072                                     "%s Req que: %d inited.\n",
7073                                     __func__, req->id);
7074                 }
7075         }
7076         return ret;
7077 }
7078
7079 /*
7080 * qla2x00_reset_adapter
7081 *      Reset adapter.
7082 *
7083 * Input:
7084 *      ha = adapter block pointer.
7085 */
7086 int
7087 qla2x00_reset_adapter(scsi_qla_host_t *vha)
7088 {
7089         unsigned long flags = 0;
7090         struct qla_hw_data *ha = vha->hw;
7091         struct device_reg_2xxx __iomem *reg = &ha->iobase->isp;
7092
7093         vha->flags.online = 0;
7094         ha->isp_ops->disable_intrs(ha);
7095
7096         spin_lock_irqsave(&ha->hardware_lock, flags);
7097         wrt_reg_word(&reg->hccr, HCCR_RESET_RISC);
7098         rd_reg_word(&reg->hccr);                        /* PCI Posting. */
7099         wrt_reg_word(&reg->hccr, HCCR_RELEASE_RISC);
7100         rd_reg_word(&reg->hccr);                        /* PCI Posting. */
7101         spin_unlock_irqrestore(&ha->hardware_lock, flags);
7102
7103         return QLA_SUCCESS;
7104 }
7105
7106 int
7107 qla24xx_reset_adapter(scsi_qla_host_t *vha)
7108 {
7109         unsigned long flags = 0;
7110         struct qla_hw_data *ha = vha->hw;
7111         struct device_reg_24xx __iomem *reg = &ha->iobase->isp24;
7112         int rval = QLA_SUCCESS;
7113
7114         if (IS_P3P_TYPE(ha))
7115                 return rval;
7116
7117         vha->flags.online = 0;
7118         ha->isp_ops->disable_intrs(ha);
7119
7120         spin_lock_irqsave(&ha->hardware_lock, flags);
7121         wrt_reg_dword(&reg->hccr, HCCRX_SET_RISC_RESET);
7122         rd_reg_dword(&reg->hccr);
7123         wrt_reg_dword(&reg->hccr, HCCRX_REL_RISC_PAUSE);
7124         rd_reg_dword(&reg->hccr);
7125         spin_unlock_irqrestore(&ha->hardware_lock, flags);
7126
7127         if (IS_NOPOLLING_TYPE(ha))
7128                 ha->isp_ops->enable_intrs(ha);
7129
7130         return rval;
7131 }
7132
7133 /* On sparc systems, obtain port and node WWN from firmware
7134  * properties.
7135  */
7136 static void qla24xx_nvram_wwn_from_ofw(scsi_qla_host_t *vha,
7137         struct nvram_24xx *nv)
7138 {
7139 #ifdef CONFIG_SPARC
7140         struct qla_hw_data *ha = vha->hw;
7141         struct pci_dev *pdev = ha->pdev;
7142         struct device_node *dp = pci_device_to_OF_node(pdev);
7143         const u8 *val;
7144         int len;
7145
7146         val = of_get_property(dp, "port-wwn", &len);
7147         if (val && len >= WWN_SIZE)
7148                 memcpy(nv->port_name, val, WWN_SIZE);
7149
7150         val = of_get_property(dp, "node-wwn", &len);
7151         if (val && len >= WWN_SIZE)
7152                 memcpy(nv->node_name, val, WWN_SIZE);
7153 #endif
7154 }
7155
7156 int
7157 qla24xx_nvram_config(scsi_qla_host_t *vha)
7158 {
7159         int   rval;
7160         struct init_cb_24xx *icb;
7161         struct nvram_24xx *nv;
7162         __le32 *dptr;
7163         uint8_t  *dptr1, *dptr2;
7164         uint32_t chksum;
7165         uint16_t cnt;
7166         struct qla_hw_data *ha = vha->hw;
7167
7168         rval = QLA_SUCCESS;
7169         icb = (struct init_cb_24xx *)ha->init_cb;
7170         nv = ha->nvram;
7171
7172         /* Determine NVRAM starting address. */
7173         if (ha->port_no == 0) {
7174                 ha->nvram_base = FA_NVRAM_FUNC0_ADDR;
7175                 ha->vpd_base = FA_NVRAM_VPD0_ADDR;
7176         } else {
7177                 ha->nvram_base = FA_NVRAM_FUNC1_ADDR;
7178                 ha->vpd_base = FA_NVRAM_VPD1_ADDR;
7179         }
7180
7181         ha->nvram_size = sizeof(*nv);
7182         ha->vpd_size = FA_NVRAM_VPD_SIZE;
7183
7184         /* Get VPD data into cache */
7185         ha->vpd = ha->nvram + VPD_OFFSET;
7186         ha->isp_ops->read_nvram(vha, ha->vpd,
7187             ha->nvram_base - FA_NVRAM_FUNC0_ADDR, FA_NVRAM_VPD_SIZE * 4);
7188
7189         /* Get NVRAM data into cache and calculate checksum. */
7190         dptr = (__force __le32 *)nv;
7191         ha->isp_ops->read_nvram(vha, dptr, ha->nvram_base, ha->nvram_size);
7192         for (cnt = 0, chksum = 0; cnt < ha->nvram_size >> 2; cnt++, dptr++)
7193                 chksum += le32_to_cpu(*dptr);
7194
7195         ql_dbg(ql_dbg_init + ql_dbg_buffer, vha, 0x006a,
7196             "Contents of NVRAM\n");
7197         ql_dump_buffer(ql_dbg_init + ql_dbg_buffer, vha, 0x010d,
7198             nv, ha->nvram_size);
7199
7200         /* Bad NVRAM data, set defaults parameters. */
7201         if (chksum || memcmp("ISP ", nv->id, sizeof(nv->id)) ||
7202             le16_to_cpu(nv->nvram_version) < ICB_VERSION) {
7203                 /* Reset NVRAM data. */
7204                 ql_log(ql_log_warn, vha, 0x006b,
7205                     "Inconsistent NVRAM checksum=%#x id=%.4s version=%#x.\n",
7206                     chksum, nv->id, nv->nvram_version);
7207                 ql_dump_buffer(ql_dbg_init, vha, 0x006b, nv, sizeof(*nv));
7208                 ql_log(ql_log_warn, vha, 0x006c,
7209                     "Falling back to functioning (yet invalid -- WWPN) "
7210                     "defaults.\n");
7211
7212                 /*
7213                  * Set default initialization control block.
7214                  */
7215                 memset(nv, 0, ha->nvram_size);
7216                 nv->nvram_version = cpu_to_le16(ICB_VERSION);
7217                 nv->version = cpu_to_le16(ICB_VERSION);
7218                 nv->frame_payload_size = cpu_to_le16(2048);
7219                 nv->execution_throttle = cpu_to_le16(0xFFFF);
7220                 nv->exchange_count = cpu_to_le16(0);
7221                 nv->hard_address = cpu_to_le16(124);
7222                 nv->port_name[0] = 0x21;
7223                 nv->port_name[1] = 0x00 + ha->port_no + 1;
7224                 nv->port_name[2] = 0x00;
7225                 nv->port_name[3] = 0xe0;
7226                 nv->port_name[4] = 0x8b;
7227                 nv->port_name[5] = 0x1c;
7228                 nv->port_name[6] = 0x55;
7229                 nv->port_name[7] = 0x86;
7230                 nv->node_name[0] = 0x20;
7231                 nv->node_name[1] = 0x00;
7232                 nv->node_name[2] = 0x00;
7233                 nv->node_name[3] = 0xe0;
7234                 nv->node_name[4] = 0x8b;
7235                 nv->node_name[5] = 0x1c;
7236                 nv->node_name[6] = 0x55;
7237                 nv->node_name[7] = 0x86;
7238                 qla24xx_nvram_wwn_from_ofw(vha, nv);
7239                 nv->login_retry_count = cpu_to_le16(8);
7240                 nv->interrupt_delay_timer = cpu_to_le16(0);
7241                 nv->login_timeout = cpu_to_le16(0);
7242                 nv->firmware_options_1 =
7243                     cpu_to_le32(BIT_14|BIT_13|BIT_2|BIT_1);
7244                 nv->firmware_options_2 = cpu_to_le32(2 << 4);
7245                 nv->firmware_options_2 |= cpu_to_le32(BIT_12);
7246                 nv->firmware_options_3 = cpu_to_le32(2 << 13);
7247                 nv->host_p = cpu_to_le32(BIT_11|BIT_10);
7248                 nv->efi_parameters = cpu_to_le32(0);
7249                 nv->reset_delay = 5;
7250                 nv->max_luns_per_target = cpu_to_le16(128);
7251                 nv->port_down_retry_count = cpu_to_le16(30);
7252                 nv->link_down_timeout = cpu_to_le16(30);
7253
7254                 rval = 1;
7255         }
7256
7257         if (qla_tgt_mode_enabled(vha)) {
7258                 /* Don't enable full login after initial LIP */
7259                 nv->firmware_options_1 &= cpu_to_le32(~BIT_13);
7260                 /* Don't enable LIP full login for initiator */
7261                 nv->host_p &= cpu_to_le32(~BIT_10);
7262         }
7263
7264         qlt_24xx_config_nvram_stage1(vha, nv);
7265
7266         /* Reset Initialization control block */
7267         memset(icb, 0, ha->init_cb_size);
7268
7269         /* Copy 1st segment. */
7270         dptr1 = (uint8_t *)icb;
7271         dptr2 = (uint8_t *)&nv->version;
7272         cnt = (uint8_t *)&icb->response_q_inpointer - (uint8_t *)&icb->version;
7273         while (cnt--)
7274                 *dptr1++ = *dptr2++;
7275
7276         icb->login_retry_count = nv->login_retry_count;
7277         icb->link_down_on_nos = nv->link_down_on_nos;
7278
7279         /* Copy 2nd segment. */
7280         dptr1 = (uint8_t *)&icb->interrupt_delay_timer;
7281         dptr2 = (uint8_t *)&nv->interrupt_delay_timer;
7282         cnt = (uint8_t *)&icb->reserved_3 -
7283             (uint8_t *)&icb->interrupt_delay_timer;
7284         while (cnt--)
7285                 *dptr1++ = *dptr2++;
7286         ha->frame_payload_size = le16_to_cpu(icb->frame_payload_size);
7287         /*
7288          * Setup driver NVRAM options.
7289          */
7290         qla2x00_set_model_info(vha, nv->model_name, sizeof(nv->model_name),
7291             "QLA2462");
7292
7293         qlt_24xx_config_nvram_stage2(vha, icb);
7294
7295         if (nv->host_p & cpu_to_le32(BIT_15)) {
7296                 /* Use alternate WWN? */
7297                 memcpy(icb->node_name, nv->alternate_node_name, WWN_SIZE);
7298                 memcpy(icb->port_name, nv->alternate_port_name, WWN_SIZE);
7299         }
7300
7301         /* Prepare nodename */
7302         if ((icb->firmware_options_1 & cpu_to_le32(BIT_14)) == 0) {
7303                 /*
7304                  * Firmware will apply the following mask if the nodename was
7305                  * not provided.
7306                  */
7307                 memcpy(icb->node_name, icb->port_name, WWN_SIZE);
7308                 icb->node_name[0] &= 0xF0;
7309         }
7310
7311         /* Set host adapter parameters. */
7312         ha->flags.disable_risc_code_load = 0;
7313         ha->flags.enable_lip_reset = 0;
7314         ha->flags.enable_lip_full_login =
7315             le32_to_cpu(nv->host_p) & BIT_10 ? 1 : 0;
7316         ha->flags.enable_target_reset =
7317             le32_to_cpu(nv->host_p) & BIT_11 ? 1 : 0;
7318         ha->flags.enable_led_scheme = 0;
7319         ha->flags.disable_serdes = le32_to_cpu(nv->host_p) & BIT_5 ? 1 : 0;
7320
7321         ha->operating_mode = (le32_to_cpu(icb->firmware_options_2) &
7322             (BIT_6 | BIT_5 | BIT_4)) >> 4;
7323
7324         memcpy(ha->fw_seriallink_options24, nv->seriallink_options,
7325             sizeof(ha->fw_seriallink_options24));
7326
7327         /* save HBA serial number */
7328         ha->serial0 = icb->port_name[5];
7329         ha->serial1 = icb->port_name[6];
7330         ha->serial2 = icb->port_name[7];
7331         memcpy(vha->node_name, icb->node_name, WWN_SIZE);
7332         memcpy(vha->port_name, icb->port_name, WWN_SIZE);
7333
7334         icb->execution_throttle = cpu_to_le16(0xFFFF);
7335
7336         ha->retry_count = le16_to_cpu(nv->login_retry_count);
7337
7338         /* Set minimum login_timeout to 4 seconds. */
7339         if (le16_to_cpu(nv->login_timeout) < ql2xlogintimeout)
7340                 nv->login_timeout = cpu_to_le16(ql2xlogintimeout);
7341         if (le16_to_cpu(nv->login_timeout) < 4)
7342                 nv->login_timeout = cpu_to_le16(4);
7343         ha->login_timeout = le16_to_cpu(nv->login_timeout);
7344
7345         /* Set minimum RATOV to 100 tenths of a second. */
7346         ha->r_a_tov = 100;
7347
7348         ha->loop_reset_delay = nv->reset_delay;
7349
7350         /* Link Down Timeout = 0:
7351          *
7352          *      When Port Down timer expires we will start returning
7353          *      I/O's to OS with "DID_NO_CONNECT".
7354          *
7355          * Link Down Timeout != 0:
7356          *
7357          *       The driver waits for the link to come up after link down
7358          *       before returning I/Os to OS with "DID_NO_CONNECT".
7359          */
7360         if (le16_to_cpu(nv->link_down_timeout) == 0) {
7361                 ha->loop_down_abort_time =
7362                     (LOOP_DOWN_TIME - LOOP_DOWN_TIMEOUT);
7363         } else {
7364                 ha->link_down_timeout = le16_to_cpu(nv->link_down_timeout);
7365                 ha->loop_down_abort_time =
7366                     (LOOP_DOWN_TIME - ha->link_down_timeout);
7367         }
7368
7369         /* Need enough time to try and get the port back. */
7370         ha->port_down_retry_count = le16_to_cpu(nv->port_down_retry_count);
7371         if (qlport_down_retry)
7372                 ha->port_down_retry_count = qlport_down_retry;
7373
7374         /* Set login_retry_count */
7375         ha->login_retry_count  = le16_to_cpu(nv->login_retry_count);
7376         if (ha->port_down_retry_count ==
7377             le16_to_cpu(nv->port_down_retry_count) &&
7378             ha->port_down_retry_count > 3)
7379                 ha->login_retry_count = ha->port_down_retry_count;
7380         else if (ha->port_down_retry_count > (int)ha->login_retry_count)
7381                 ha->login_retry_count = ha->port_down_retry_count;
7382         if (ql2xloginretrycount)
7383                 ha->login_retry_count = ql2xloginretrycount;
7384
7385         /* N2N: driver will initiate Login instead of FW */
7386         icb->firmware_options_3 |= cpu_to_le32(BIT_8);
7387
7388         /* Enable ZIO. */
7389         if (!vha->flags.init_done) {
7390                 ha->zio_mode = le32_to_cpu(icb->firmware_options_2) &
7391                     (BIT_3 | BIT_2 | BIT_1 | BIT_0);
7392                 ha->zio_timer = le16_to_cpu(icb->interrupt_delay_timer) ?
7393                     le16_to_cpu(icb->interrupt_delay_timer) : 2;
7394         }
7395         icb->firmware_options_2 &= cpu_to_le32(
7396             ~(BIT_3 | BIT_2 | BIT_1 | BIT_0));
7397         if (ha->zio_mode != QLA_ZIO_DISABLED) {
7398                 ha->zio_mode = QLA_ZIO_MODE_6;
7399
7400                 ql_log(ql_log_info, vha, 0x006f,
7401                     "ZIO mode %d enabled; timer delay (%d us).\n",
7402                     ha->zio_mode, ha->zio_timer * 100);
7403
7404                 icb->firmware_options_2 |= cpu_to_le32(
7405                     (uint32_t)ha->zio_mode);
7406                 icb->interrupt_delay_timer = cpu_to_le16(ha->zio_timer);
7407         }
7408
7409         if (rval) {
7410                 ql_log(ql_log_warn, vha, 0x0070,
7411                     "NVRAM configuration failed.\n");
7412         }
7413         return (rval);
7414 }
7415
7416 static void
7417 qla27xx_print_image(struct scsi_qla_host *vha, char *name,
7418     struct qla27xx_image_status *image_status)
7419 {
7420         ql_dbg(ql_dbg_init, vha, 0x018b,
7421             "%s %s: mask=%#02x gen=%#04x ver=%u.%u map=%#01x sum=%#08x sig=%#08x\n",
7422             name, "status",
7423             image_status->image_status_mask,
7424             le16_to_cpu(image_status->generation),
7425             image_status->ver_major,
7426             image_status->ver_minor,
7427             image_status->bitmap,
7428             le32_to_cpu(image_status->checksum),
7429             le32_to_cpu(image_status->signature));
7430 }
7431
7432 static bool
7433 qla28xx_check_aux_image_status_signature(
7434     struct qla27xx_image_status *image_status)
7435 {
7436         ulong signature = le32_to_cpu(image_status->signature);
7437
7438         return signature != QLA28XX_AUX_IMG_STATUS_SIGN;
7439 }
7440
7441 static bool
7442 qla27xx_check_image_status_signature(struct qla27xx_image_status *image_status)
7443 {
7444         ulong signature = le32_to_cpu(image_status->signature);
7445
7446         return
7447             signature != QLA27XX_IMG_STATUS_SIGN &&
7448             signature != QLA28XX_IMG_STATUS_SIGN;
7449 }
7450
7451 static ulong
7452 qla27xx_image_status_checksum(struct qla27xx_image_status *image_status)
7453 {
7454         __le32 *p = (__force __le32 *)image_status;
7455         uint n = sizeof(*image_status) / sizeof(*p);
7456         uint32_t sum = 0;
7457
7458         for ( ; n--; p++)
7459                 sum += le32_to_cpup(p);
7460
7461         return sum;
7462 }
7463
7464 static inline uint
7465 qla28xx_component_bitmask(struct qla27xx_image_status *aux, uint bitmask)
7466 {
7467         return aux->bitmap & bitmask ?
7468             QLA27XX_SECONDARY_IMAGE : QLA27XX_PRIMARY_IMAGE;
7469 }
7470
7471 static void
7472 qla28xx_component_status(
7473     struct active_regions *active_regions, struct qla27xx_image_status *aux)
7474 {
7475         active_regions->aux.board_config =
7476             qla28xx_component_bitmask(aux, QLA28XX_AUX_IMG_BOARD_CONFIG);
7477
7478         active_regions->aux.vpd_nvram =
7479             qla28xx_component_bitmask(aux, QLA28XX_AUX_IMG_VPD_NVRAM);
7480
7481         active_regions->aux.npiv_config_0_1 =
7482             qla28xx_component_bitmask(aux, QLA28XX_AUX_IMG_NPIV_CONFIG_0_1);
7483
7484         active_regions->aux.npiv_config_2_3 =
7485             qla28xx_component_bitmask(aux, QLA28XX_AUX_IMG_NPIV_CONFIG_2_3);
7486 }
7487
7488 static int
7489 qla27xx_compare_image_generation(
7490     struct qla27xx_image_status *pri_image_status,
7491     struct qla27xx_image_status *sec_image_status)
7492 {
7493         /* calculate generation delta as uint16 (this accounts for wrap) */
7494         int16_t delta =
7495             le16_to_cpu(pri_image_status->generation) -
7496             le16_to_cpu(sec_image_status->generation);
7497
7498         ql_dbg(ql_dbg_init, NULL, 0x0180, "generation delta = %d\n", delta);
7499
7500         return delta;
7501 }
7502
7503 void
7504 qla28xx_get_aux_images(
7505         struct scsi_qla_host *vha, struct active_regions *active_regions)
7506 {
7507         struct qla_hw_data *ha = vha->hw;
7508         struct qla27xx_image_status pri_aux_image_status, sec_aux_image_status;
7509         bool valid_pri_image = false, valid_sec_image = false;
7510         bool active_pri_image = false, active_sec_image = false;
7511
7512         if (!ha->flt_region_aux_img_status_pri) {
7513                 ql_dbg(ql_dbg_init, vha, 0x018a, "Primary aux image not addressed\n");
7514                 goto check_sec_image;
7515         }
7516
7517         qla24xx_read_flash_data(vha, (uint32_t *)&pri_aux_image_status,
7518             ha->flt_region_aux_img_status_pri,
7519             sizeof(pri_aux_image_status) >> 2);
7520         qla27xx_print_image(vha, "Primary aux image", &pri_aux_image_status);
7521
7522         if (qla28xx_check_aux_image_status_signature(&pri_aux_image_status)) {
7523                 ql_dbg(ql_dbg_init, vha, 0x018b,
7524                     "Primary aux image signature (%#x) not valid\n",
7525                     le32_to_cpu(pri_aux_image_status.signature));
7526                 goto check_sec_image;
7527         }
7528
7529         if (qla27xx_image_status_checksum(&pri_aux_image_status)) {
7530                 ql_dbg(ql_dbg_init, vha, 0x018c,
7531                     "Primary aux image checksum failed\n");
7532                 goto check_sec_image;
7533         }
7534
7535         valid_pri_image = true;
7536
7537         if (pri_aux_image_status.image_status_mask & 1) {
7538                 ql_dbg(ql_dbg_init, vha, 0x018d,
7539                     "Primary aux image is active\n");
7540                 active_pri_image = true;
7541         }
7542
7543 check_sec_image:
7544         if (!ha->flt_region_aux_img_status_sec) {
7545                 ql_dbg(ql_dbg_init, vha, 0x018a,
7546                     "Secondary aux image not addressed\n");
7547                 goto check_valid_image;
7548         }
7549
7550         qla24xx_read_flash_data(vha, (uint32_t *)&sec_aux_image_status,
7551             ha->flt_region_aux_img_status_sec,
7552             sizeof(sec_aux_image_status) >> 2);
7553         qla27xx_print_image(vha, "Secondary aux image", &sec_aux_image_status);
7554
7555         if (qla28xx_check_aux_image_status_signature(&sec_aux_image_status)) {
7556                 ql_dbg(ql_dbg_init, vha, 0x018b,
7557                     "Secondary aux image signature (%#x) not valid\n",
7558                     le32_to_cpu(sec_aux_image_status.signature));
7559                 goto check_valid_image;
7560         }
7561
7562         if (qla27xx_image_status_checksum(&sec_aux_image_status)) {
7563                 ql_dbg(ql_dbg_init, vha, 0x018c,
7564                     "Secondary aux image checksum failed\n");
7565                 goto check_valid_image;
7566         }
7567
7568         valid_sec_image = true;
7569
7570         if (sec_aux_image_status.image_status_mask & 1) {
7571                 ql_dbg(ql_dbg_init, vha, 0x018d,
7572                     "Secondary aux image is active\n");
7573                 active_sec_image = true;
7574         }
7575
7576 check_valid_image:
7577         if (valid_pri_image && active_pri_image &&
7578             valid_sec_image && active_sec_image) {
7579                 if (qla27xx_compare_image_generation(&pri_aux_image_status,
7580                     &sec_aux_image_status) >= 0) {
7581                         qla28xx_component_status(active_regions,
7582                             &pri_aux_image_status);
7583                 } else {
7584                         qla28xx_component_status(active_regions,
7585                             &sec_aux_image_status);
7586                 }
7587         } else if (valid_pri_image && active_pri_image) {
7588                 qla28xx_component_status(active_regions, &pri_aux_image_status);
7589         } else if (valid_sec_image && active_sec_image) {
7590                 qla28xx_component_status(active_regions, &sec_aux_image_status);
7591         }
7592
7593         ql_dbg(ql_dbg_init, vha, 0x018f,
7594             "aux images active: BCFG=%u VPD/NVR=%u NPIV0/1=%u NPIV2/3=%u\n",
7595             active_regions->aux.board_config,
7596             active_regions->aux.vpd_nvram,
7597             active_regions->aux.npiv_config_0_1,
7598             active_regions->aux.npiv_config_2_3);
7599 }
7600
7601 void
7602 qla27xx_get_active_image(struct scsi_qla_host *vha,
7603     struct active_regions *active_regions)
7604 {
7605         struct qla_hw_data *ha = vha->hw;
7606         struct qla27xx_image_status pri_image_status, sec_image_status;
7607         bool valid_pri_image = false, valid_sec_image = false;
7608         bool active_pri_image = false, active_sec_image = false;
7609
7610         if (!ha->flt_region_img_status_pri) {
7611                 ql_dbg(ql_dbg_init, vha, 0x018a, "Primary image not addressed\n");
7612                 goto check_sec_image;
7613         }
7614
7615         if (qla24xx_read_flash_data(vha, (uint32_t *)&pri_image_status,
7616             ha->flt_region_img_status_pri, sizeof(pri_image_status) >> 2) !=
7617             QLA_SUCCESS) {
7618                 WARN_ON_ONCE(true);
7619                 goto check_sec_image;
7620         }
7621         qla27xx_print_image(vha, "Primary image", &pri_image_status);
7622
7623         if (qla27xx_check_image_status_signature(&pri_image_status)) {
7624                 ql_dbg(ql_dbg_init, vha, 0x018b,
7625                     "Primary image signature (%#x) not valid\n",
7626                     le32_to_cpu(pri_image_status.signature));
7627                 goto check_sec_image;
7628         }
7629
7630         if (qla27xx_image_status_checksum(&pri_image_status)) {
7631                 ql_dbg(ql_dbg_init, vha, 0x018c,
7632                     "Primary image checksum failed\n");
7633                 goto check_sec_image;
7634         }
7635
7636         valid_pri_image = true;
7637
7638         if (pri_image_status.image_status_mask & 1) {
7639                 ql_dbg(ql_dbg_init, vha, 0x018d,
7640                     "Primary image is active\n");
7641                 active_pri_image = true;
7642         }
7643
7644 check_sec_image:
7645         if (!ha->flt_region_img_status_sec) {
7646                 ql_dbg(ql_dbg_init, vha, 0x018a, "Secondary image not addressed\n");
7647                 goto check_valid_image;
7648         }
7649
7650         qla24xx_read_flash_data(vha, (uint32_t *)(&sec_image_status),
7651             ha->flt_region_img_status_sec, sizeof(sec_image_status) >> 2);
7652         qla27xx_print_image(vha, "Secondary image", &sec_image_status);
7653
7654         if (qla27xx_check_image_status_signature(&sec_image_status)) {
7655                 ql_dbg(ql_dbg_init, vha, 0x018b,
7656                     "Secondary image signature (%#x) not valid\n",
7657                     le32_to_cpu(sec_image_status.signature));
7658                 goto check_valid_image;
7659         }
7660
7661         if (qla27xx_image_status_checksum(&sec_image_status)) {
7662                 ql_dbg(ql_dbg_init, vha, 0x018c,
7663                     "Secondary image checksum failed\n");
7664                 goto check_valid_image;
7665         }
7666
7667         valid_sec_image = true;
7668
7669         if (sec_image_status.image_status_mask & 1) {
7670                 ql_dbg(ql_dbg_init, vha, 0x018d,
7671                     "Secondary image is active\n");
7672                 active_sec_image = true;
7673         }
7674
7675 check_valid_image:
7676         if (valid_pri_image && active_pri_image)
7677                 active_regions->global = QLA27XX_PRIMARY_IMAGE;
7678
7679         if (valid_sec_image && active_sec_image) {
7680                 if (!active_regions->global ||
7681                     qla27xx_compare_image_generation(
7682                         &pri_image_status, &sec_image_status) < 0) {
7683                         active_regions->global = QLA27XX_SECONDARY_IMAGE;
7684                 }
7685         }
7686
7687         ql_dbg(ql_dbg_init, vha, 0x018f, "active image %s (%u)\n",
7688             active_regions->global == QLA27XX_DEFAULT_IMAGE ?
7689                 "default (boot/fw)" :
7690             active_regions->global == QLA27XX_PRIMARY_IMAGE ?
7691                 "primary" :
7692             active_regions->global == QLA27XX_SECONDARY_IMAGE ?
7693                 "secondary" : "invalid",
7694             active_regions->global);
7695 }
7696
7697 bool qla24xx_risc_firmware_invalid(uint32_t *dword)
7698 {
7699         return
7700             !(dword[4] | dword[5] | dword[6] | dword[7]) ||
7701             !(~dword[4] | ~dword[5] | ~dword[6] | ~dword[7]);
7702 }
7703
7704 static int
7705 qla24xx_load_risc_flash(scsi_qla_host_t *vha, uint32_t *srisc_addr,
7706     uint32_t faddr)
7707 {
7708         int rval;
7709         uint templates, segments, fragment;
7710         ulong i;
7711         uint j;
7712         ulong dlen;
7713         uint32_t *dcode;
7714         uint32_t risc_addr, risc_size, risc_attr = 0;
7715         struct qla_hw_data *ha = vha->hw;
7716         struct req_que *req = ha->req_q_map[0];
7717         struct fwdt *fwdt = ha->fwdt;
7718
7719         ql_dbg(ql_dbg_init, vha, 0x008b,
7720             "FW: Loading firmware from flash (%x).\n", faddr);
7721
7722         dcode = (uint32_t *)req->ring;
7723         qla24xx_read_flash_data(vha, dcode, faddr, 8);
7724         if (qla24xx_risc_firmware_invalid(dcode)) {
7725                 ql_log(ql_log_fatal, vha, 0x008c,
7726                     "Unable to verify the integrity of flash firmware "
7727                     "image.\n");
7728                 ql_log(ql_log_fatal, vha, 0x008d,
7729                     "Firmware data: %08x %08x %08x %08x.\n",
7730                     dcode[0], dcode[1], dcode[2], dcode[3]);
7731
7732                 return QLA_FUNCTION_FAILED;
7733         }
7734
7735         dcode = (uint32_t *)req->ring;
7736         *srisc_addr = 0;
7737         segments = FA_RISC_CODE_SEGMENTS;
7738         for (j = 0; j < segments; j++) {
7739                 ql_dbg(ql_dbg_init, vha, 0x008d,
7740                     "-> Loading segment %u...\n", j);
7741                 qla24xx_read_flash_data(vha, dcode, faddr, 10);
7742                 risc_addr = be32_to_cpu((__force __be32)dcode[2]);
7743                 risc_size = be32_to_cpu((__force __be32)dcode[3]);
7744                 if (!*srisc_addr) {
7745                         *srisc_addr = risc_addr;
7746                         risc_attr = be32_to_cpu((__force __be32)dcode[9]);
7747                 }
7748
7749                 dlen = ha->fw_transfer_size >> 2;
7750                 for (fragment = 0; risc_size; fragment++) {
7751                         if (dlen > risc_size)
7752                                 dlen = risc_size;
7753
7754                         ql_dbg(ql_dbg_init, vha, 0x008e,
7755                             "-> Loading fragment %u: %#x <- %#x (%#lx dwords)...\n",
7756                             fragment, risc_addr, faddr, dlen);
7757                         qla24xx_read_flash_data(vha, dcode, faddr, dlen);
7758                         for (i = 0; i < dlen; i++)
7759                                 dcode[i] = swab32(dcode[i]);
7760
7761                         rval = qla2x00_load_ram(vha, req->dma, risc_addr, dlen);
7762                         if (rval) {
7763                                 ql_log(ql_log_fatal, vha, 0x008f,
7764                                     "-> Failed load firmware fragment %u.\n",
7765                                     fragment);
7766                                 return QLA_FUNCTION_FAILED;
7767                         }
7768
7769                         faddr += dlen;
7770                         risc_addr += dlen;
7771                         risc_size -= dlen;
7772                 }
7773         }
7774
7775         if (!IS_QLA27XX(ha) && !IS_QLA28XX(ha))
7776                 return QLA_SUCCESS;
7777
7778         templates = (risc_attr & BIT_9) ? 2 : 1;
7779         ql_dbg(ql_dbg_init, vha, 0x0160, "-> templates = %u\n", templates);
7780         for (j = 0; j < templates; j++, fwdt++) {
7781                 if (fwdt->template)
7782                         vfree(fwdt->template);
7783                 fwdt->template = NULL;
7784                 fwdt->length = 0;
7785
7786                 dcode = (uint32_t *)req->ring;
7787                 qla24xx_read_flash_data(vha, dcode, faddr, 7);
7788                 risc_size = be32_to_cpu((__force __be32)dcode[2]);
7789                 ql_dbg(ql_dbg_init, vha, 0x0161,
7790                     "-> fwdt%u template array at %#x (%#x dwords)\n",
7791                     j, faddr, risc_size);
7792                 if (!risc_size || !~risc_size) {
7793                         ql_dbg(ql_dbg_init, vha, 0x0162,
7794                             "-> fwdt%u failed to read array\n", j);
7795                         goto failed;
7796                 }
7797
7798                 /* skip header and ignore checksum */
7799                 faddr += 7;
7800                 risc_size -= 8;
7801
7802                 ql_dbg(ql_dbg_init, vha, 0x0163,
7803                     "-> fwdt%u template allocate template %#x words...\n",
7804                     j, risc_size);
7805                 fwdt->template = vmalloc(risc_size * sizeof(*dcode));
7806                 if (!fwdt->template) {
7807                         ql_log(ql_log_warn, vha, 0x0164,
7808                             "-> fwdt%u failed allocate template.\n", j);
7809                         goto failed;
7810                 }
7811
7812                 dcode = fwdt->template;
7813                 qla24xx_read_flash_data(vha, dcode, faddr, risc_size);
7814
7815                 if (!qla27xx_fwdt_template_valid(dcode)) {
7816                         ql_log(ql_log_warn, vha, 0x0165,
7817                             "-> fwdt%u failed template validate\n", j);
7818                         goto failed;
7819                 }
7820
7821                 dlen = qla27xx_fwdt_template_size(dcode);
7822                 ql_dbg(ql_dbg_init, vha, 0x0166,
7823                     "-> fwdt%u template size %#lx bytes (%#lx words)\n",
7824                     j, dlen, dlen / sizeof(*dcode));
7825                 if (dlen > risc_size * sizeof(*dcode)) {
7826                         ql_log(ql_log_warn, vha, 0x0167,
7827                             "-> fwdt%u template exceeds array (%-lu bytes)\n",
7828                             j, dlen - risc_size * sizeof(*dcode));
7829                         goto failed;
7830                 }
7831
7832                 fwdt->length = dlen;
7833                 ql_dbg(ql_dbg_init, vha, 0x0168,
7834                     "-> fwdt%u loaded template ok\n", j);
7835
7836                 faddr += risc_size + 1;
7837         }
7838
7839         return QLA_SUCCESS;
7840
7841 failed:
7842         if (fwdt->template)
7843                 vfree(fwdt->template);
7844         fwdt->template = NULL;
7845         fwdt->length = 0;
7846
7847         return QLA_SUCCESS;
7848 }
7849
7850 #define QLA_FW_URL "http://ldriver.qlogic.com/firmware/"
7851
7852 int
7853 qla2x00_load_risc(scsi_qla_host_t *vha, uint32_t *srisc_addr)
7854 {
7855         int     rval;
7856         int     i, fragment;
7857         uint16_t *wcode;
7858         __be16   *fwcode;
7859         uint32_t risc_addr, risc_size, fwclen, wlen, *seg;
7860         struct fw_blob *blob;
7861         struct qla_hw_data *ha = vha->hw;
7862         struct req_que *req = ha->req_q_map[0];
7863
7864         /* Load firmware blob. */
7865         blob = qla2x00_request_firmware(vha);
7866         if (!blob) {
7867                 ql_log(ql_log_info, vha, 0x0083,
7868                     "Firmware image unavailable.\n");
7869                 ql_log(ql_log_info, vha, 0x0084,
7870                     "Firmware images can be retrieved from: "QLA_FW_URL ".\n");
7871                 return QLA_FUNCTION_FAILED;
7872         }
7873
7874         rval = QLA_SUCCESS;
7875
7876         wcode = (uint16_t *)req->ring;
7877         *srisc_addr = 0;
7878         fwcode = (__force __be16 *)blob->fw->data;
7879         fwclen = 0;
7880
7881         /* Validate firmware image by checking version. */
7882         if (blob->fw->size < 8 * sizeof(uint16_t)) {
7883                 ql_log(ql_log_fatal, vha, 0x0085,
7884                     "Unable to verify integrity of firmware image (%zd).\n",
7885                     blob->fw->size);
7886                 goto fail_fw_integrity;
7887         }
7888         for (i = 0; i < 4; i++)
7889                 wcode[i] = be16_to_cpu(fwcode[i + 4]);
7890         if ((wcode[0] == 0xffff && wcode[1] == 0xffff && wcode[2] == 0xffff &&
7891             wcode[3] == 0xffff) || (wcode[0] == 0 && wcode[1] == 0 &&
7892                 wcode[2] == 0 && wcode[3] == 0)) {
7893                 ql_log(ql_log_fatal, vha, 0x0086,
7894                     "Unable to verify integrity of firmware image.\n");
7895                 ql_log(ql_log_fatal, vha, 0x0087,
7896                     "Firmware data: %04x %04x %04x %04x.\n",
7897                     wcode[0], wcode[1], wcode[2], wcode[3]);
7898                 goto fail_fw_integrity;
7899         }
7900
7901         seg = blob->segs;
7902         while (*seg && rval == QLA_SUCCESS) {
7903                 risc_addr = *seg;
7904                 *srisc_addr = *srisc_addr == 0 ? *seg : *srisc_addr;
7905                 risc_size = be16_to_cpu(fwcode[3]);
7906
7907                 /* Validate firmware image size. */
7908                 fwclen += risc_size * sizeof(uint16_t);
7909                 if (blob->fw->size < fwclen) {
7910                         ql_log(ql_log_fatal, vha, 0x0088,
7911                             "Unable to verify integrity of firmware image "
7912                             "(%zd).\n", blob->fw->size);
7913                         goto fail_fw_integrity;
7914                 }
7915
7916                 fragment = 0;
7917                 while (risc_size > 0 && rval == QLA_SUCCESS) {
7918                         wlen = (uint16_t)(ha->fw_transfer_size >> 1);
7919                         if (wlen > risc_size)
7920                                 wlen = risc_size;
7921                         ql_dbg(ql_dbg_init, vha, 0x0089,
7922                             "Loading risc segment@ risc addr %x number of "
7923                             "words 0x%x.\n", risc_addr, wlen);
7924
7925                         for (i = 0; i < wlen; i++)
7926                                 wcode[i] = swab16((__force u32)fwcode[i]);
7927
7928                         rval = qla2x00_load_ram(vha, req->dma, risc_addr,
7929                             wlen);
7930                         if (rval) {
7931                                 ql_log(ql_log_fatal, vha, 0x008a,
7932                                     "Failed to load segment %d of firmware.\n",
7933                                     fragment);
7934                                 break;
7935                         }
7936
7937                         fwcode += wlen;
7938                         risc_addr += wlen;
7939                         risc_size -= wlen;
7940                         fragment++;
7941                 }
7942
7943                 /* Next segment. */
7944                 seg++;
7945         }
7946         return rval;
7947
7948 fail_fw_integrity:
7949         return QLA_FUNCTION_FAILED;
7950 }
7951
7952 static int
7953 qla24xx_load_risc_blob(scsi_qla_host_t *vha, uint32_t *srisc_addr)
7954 {
7955         int     rval;
7956         uint templates, segments, fragment;
7957         uint32_t *dcode;
7958         ulong dlen;
7959         uint32_t risc_addr, risc_size, risc_attr = 0;
7960         ulong i;
7961         uint j;
7962         struct fw_blob *blob;
7963         __be32 *fwcode;
7964         struct qla_hw_data *ha = vha->hw;
7965         struct req_que *req = ha->req_q_map[0];
7966         struct fwdt *fwdt = ha->fwdt;
7967
7968         ql_dbg(ql_dbg_init, vha, 0x0090,
7969             "-> FW: Loading via request-firmware.\n");
7970
7971         blob = qla2x00_request_firmware(vha);
7972         if (!blob) {
7973                 ql_log(ql_log_warn, vha, 0x0092,
7974                     "-> Firmware file not found.\n");
7975
7976                 return QLA_FUNCTION_FAILED;
7977         }
7978
7979         fwcode = (__force __be32 *)blob->fw->data;
7980         dcode = (__force uint32_t *)fwcode;
7981         if (qla24xx_risc_firmware_invalid(dcode)) {
7982                 ql_log(ql_log_fatal, vha, 0x0093,
7983                     "Unable to verify integrity of firmware image (%zd).\n",
7984                     blob->fw->size);
7985                 ql_log(ql_log_fatal, vha, 0x0095,
7986                     "Firmware data: %08x %08x %08x %08x.\n",
7987                     dcode[0], dcode[1], dcode[2], dcode[3]);
7988                 return QLA_FUNCTION_FAILED;
7989         }
7990
7991         dcode = (uint32_t *)req->ring;
7992         *srisc_addr = 0;
7993         segments = FA_RISC_CODE_SEGMENTS;
7994         for (j = 0; j < segments; j++) {
7995                 ql_dbg(ql_dbg_init, vha, 0x0096,
7996                     "-> Loading segment %u...\n", j);
7997                 risc_addr = be32_to_cpu(fwcode[2]);
7998                 risc_size = be32_to_cpu(fwcode[3]);
7999
8000                 if (!*srisc_addr) {
8001                         *srisc_addr = risc_addr;
8002                         risc_attr = be32_to_cpu(fwcode[9]);
8003                 }
8004
8005                 dlen = ha->fw_transfer_size >> 2;
8006                 for (fragment = 0; risc_size; fragment++) {
8007                         if (dlen > risc_size)
8008                                 dlen = risc_size;
8009
8010                         ql_dbg(ql_dbg_init, vha, 0x0097,
8011                             "-> Loading fragment %u: %#x <- %#x (%#lx words)...\n",
8012                             fragment, risc_addr,
8013                             (uint32_t)(fwcode - (typeof(fwcode))blob->fw->data),
8014                             dlen);
8015
8016                         for (i = 0; i < dlen; i++)
8017                                 dcode[i] = swab32((__force u32)fwcode[i]);
8018
8019                         rval = qla2x00_load_ram(vha, req->dma, risc_addr, dlen);
8020                         if (rval) {
8021                                 ql_log(ql_log_fatal, vha, 0x0098,
8022                                     "-> Failed load firmware fragment %u.\n",
8023                                     fragment);
8024                                 return QLA_FUNCTION_FAILED;
8025                         }
8026
8027                         fwcode += dlen;
8028                         risc_addr += dlen;
8029                         risc_size -= dlen;
8030                 }
8031         }
8032
8033         if (!IS_QLA27XX(ha) && !IS_QLA28XX(ha))
8034                 return QLA_SUCCESS;
8035
8036         templates = (risc_attr & BIT_9) ? 2 : 1;
8037         ql_dbg(ql_dbg_init, vha, 0x0170, "-> templates = %u\n", templates);
8038         for (j = 0; j < templates; j++, fwdt++) {
8039                 if (fwdt->template)
8040                         vfree(fwdt->template);
8041                 fwdt->template = NULL;
8042                 fwdt->length = 0;
8043
8044                 risc_size = be32_to_cpu(fwcode[2]);
8045                 ql_dbg(ql_dbg_init, vha, 0x0171,
8046                     "-> fwdt%u template array at %#x (%#x dwords)\n",
8047                     j, (uint32_t)((void *)fwcode - (void *)blob->fw->data),
8048                     risc_size);
8049                 if (!risc_size || !~risc_size) {
8050                         ql_dbg(ql_dbg_init, vha, 0x0172,
8051                             "-> fwdt%u failed to read array\n", j);
8052                         goto failed;
8053                 }
8054
8055                 /* skip header and ignore checksum */
8056                 fwcode += 7;
8057                 risc_size -= 8;
8058
8059                 ql_dbg(ql_dbg_init, vha, 0x0173,
8060                     "-> fwdt%u template allocate template %#x words...\n",
8061                     j, risc_size);
8062                 fwdt->template = vmalloc(risc_size * sizeof(*dcode));
8063                 if (!fwdt->template) {
8064                         ql_log(ql_log_warn, vha, 0x0174,
8065                             "-> fwdt%u failed allocate template.\n", j);
8066                         goto failed;
8067                 }
8068
8069                 dcode = fwdt->template;
8070                 for (i = 0; i < risc_size; i++)
8071                         dcode[i] = (__force u32)fwcode[i];
8072
8073                 if (!qla27xx_fwdt_template_valid(dcode)) {
8074                         ql_log(ql_log_warn, vha, 0x0175,
8075                             "-> fwdt%u failed template validate\n", j);
8076                         goto failed;
8077                 }
8078
8079                 dlen = qla27xx_fwdt_template_size(dcode);
8080                 ql_dbg(ql_dbg_init, vha, 0x0176,
8081                     "-> fwdt%u template size %#lx bytes (%#lx words)\n",
8082                     j, dlen, dlen / sizeof(*dcode));
8083                 if (dlen > risc_size * sizeof(*dcode)) {
8084                         ql_log(ql_log_warn, vha, 0x0177,
8085                             "-> fwdt%u template exceeds array (%-lu bytes)\n",
8086                             j, dlen - risc_size * sizeof(*dcode));
8087                         goto failed;
8088                 }
8089
8090                 fwdt->length = dlen;
8091                 ql_dbg(ql_dbg_init, vha, 0x0178,
8092                     "-> fwdt%u loaded template ok\n", j);
8093
8094                 fwcode += risc_size + 1;
8095         }
8096
8097         return QLA_SUCCESS;
8098
8099 failed:
8100         if (fwdt->template)
8101                 vfree(fwdt->template);
8102         fwdt->template = NULL;
8103         fwdt->length = 0;
8104
8105         return QLA_SUCCESS;
8106 }
8107
8108 int
8109 qla24xx_load_risc(scsi_qla_host_t *vha, uint32_t *srisc_addr)
8110 {
8111         int rval;
8112
8113         if (ql2xfwloadbin == 1)
8114                 return qla81xx_load_risc(vha, srisc_addr);
8115
8116         /*
8117          * FW Load priority:
8118          * 1) Firmware via request-firmware interface (.bin file).
8119          * 2) Firmware residing in flash.
8120          */
8121         rval = qla24xx_load_risc_blob(vha, srisc_addr);
8122         if (rval == QLA_SUCCESS)
8123                 return rval;
8124
8125         return qla24xx_load_risc_flash(vha, srisc_addr,
8126             vha->hw->flt_region_fw);
8127 }
8128
8129 int
8130 qla81xx_load_risc(scsi_qla_host_t *vha, uint32_t *srisc_addr)
8131 {
8132         int rval;
8133         struct qla_hw_data *ha = vha->hw;
8134         struct active_regions active_regions = { };
8135
8136         if (ql2xfwloadbin == 2)
8137                 goto try_blob_fw;
8138
8139         /* FW Load priority:
8140          * 1) Firmware residing in flash.
8141          * 2) Firmware via request-firmware interface (.bin file).
8142          * 3) Golden-Firmware residing in flash -- (limited operation).
8143          */
8144
8145         if (!IS_QLA27XX(ha) && !IS_QLA28XX(ha))
8146                 goto try_primary_fw;
8147
8148         qla27xx_get_active_image(vha, &active_regions);
8149
8150         if (active_regions.global != QLA27XX_SECONDARY_IMAGE)
8151                 goto try_primary_fw;
8152
8153         ql_dbg(ql_dbg_init, vha, 0x008b,
8154             "Loading secondary firmware image.\n");
8155         rval = qla24xx_load_risc_flash(vha, srisc_addr, ha->flt_region_fw_sec);
8156         if (!rval)
8157                 return rval;
8158
8159 try_primary_fw:
8160         ql_dbg(ql_dbg_init, vha, 0x008b,
8161             "Loading primary firmware image.\n");
8162         rval = qla24xx_load_risc_flash(vha, srisc_addr, ha->flt_region_fw);
8163         if (!rval)
8164                 return rval;
8165
8166 try_blob_fw:
8167         rval = qla24xx_load_risc_blob(vha, srisc_addr);
8168         if (!rval || !ha->flt_region_gold_fw)
8169                 return rval;
8170
8171         ql_log(ql_log_info, vha, 0x0099,
8172             "Attempting to fallback to golden firmware.\n");
8173         rval = qla24xx_load_risc_flash(vha, srisc_addr, ha->flt_region_gold_fw);
8174         if (rval)
8175                 return rval;
8176
8177         ql_log(ql_log_info, vha, 0x009a, "Need firmware flash update.\n");
8178         ha->flags.running_gold_fw = 1;
8179         return rval;
8180 }
8181
8182 void
8183 qla2x00_try_to_stop_firmware(scsi_qla_host_t *vha)
8184 {
8185         int ret, retries;
8186         struct qla_hw_data *ha = vha->hw;
8187
8188         if (ha->flags.pci_channel_io_perm_failure)
8189                 return;
8190         if (!IS_FWI2_CAPABLE(ha))
8191                 return;
8192         if (!ha->fw_major_version)
8193                 return;
8194         if (!ha->flags.fw_started)
8195                 return;
8196
8197         ret = qla2x00_stop_firmware(vha);
8198         for (retries = 5; ret != QLA_SUCCESS && ret != QLA_FUNCTION_TIMEOUT &&
8199             ret != QLA_INVALID_COMMAND && retries ; retries--) {
8200                 ha->isp_ops->reset_chip(vha);
8201                 if (ha->isp_ops->chip_diag(vha) != QLA_SUCCESS)
8202                         continue;
8203                 if (qla2x00_setup_chip(vha) != QLA_SUCCESS)
8204                         continue;
8205                 ql_log(ql_log_info, vha, 0x8015,
8206                     "Attempting retry of stop-firmware command.\n");
8207                 ret = qla2x00_stop_firmware(vha);
8208         }
8209
8210         QLA_FW_STOPPED(ha);
8211         ha->flags.fw_init_done = 0;
8212 }
8213
8214 int
8215 qla24xx_configure_vhba(scsi_qla_host_t *vha)
8216 {
8217         int rval = QLA_SUCCESS;
8218         int rval2;
8219         uint16_t mb[MAILBOX_REGISTER_COUNT];
8220         struct qla_hw_data *ha = vha->hw;
8221         struct scsi_qla_host *base_vha = pci_get_drvdata(ha->pdev);
8222
8223         if (!vha->vp_idx)
8224                 return -EINVAL;
8225
8226         rval = qla2x00_fw_ready(base_vha);
8227
8228         if (rval == QLA_SUCCESS) {
8229                 clear_bit(RESET_MARKER_NEEDED, &vha->dpc_flags);
8230                 qla2x00_marker(vha, ha->base_qpair, 0, 0, MK_SYNC_ALL);
8231         }
8232
8233         vha->flags.management_server_logged_in = 0;
8234
8235         /* Login to SNS first */
8236         rval2 = ha->isp_ops->fabric_login(vha, NPH_SNS, 0xff, 0xff, 0xfc, mb,
8237             BIT_1);
8238         if (rval2 != QLA_SUCCESS || mb[0] != MBS_COMMAND_COMPLETE) {
8239                 if (rval2 == QLA_MEMORY_ALLOC_FAILED)
8240                         ql_dbg(ql_dbg_init, vha, 0x0120,
8241                             "Failed SNS login: loop_id=%x, rval2=%d\n",
8242                             NPH_SNS, rval2);
8243                 else
8244                         ql_dbg(ql_dbg_init, vha, 0x0103,
8245                             "Failed SNS login: loop_id=%x mb[0]=%x mb[1]=%x "
8246                             "mb[2]=%x mb[6]=%x mb[7]=%x.\n",
8247                             NPH_SNS, mb[0], mb[1], mb[2], mb[6], mb[7]);
8248                 return (QLA_FUNCTION_FAILED);
8249         }
8250
8251         atomic_set(&vha->loop_down_timer, 0);
8252         atomic_set(&vha->loop_state, LOOP_UP);
8253         set_bit(LOOP_RESYNC_NEEDED, &vha->dpc_flags);
8254         set_bit(LOCAL_LOOP_UPDATE, &vha->dpc_flags);
8255         rval = qla2x00_loop_resync(base_vha);
8256
8257         return rval;
8258 }
8259
8260 /* 84XX Support **************************************************************/
8261
8262 static LIST_HEAD(qla_cs84xx_list);
8263 static DEFINE_MUTEX(qla_cs84xx_mutex);
8264
8265 static struct qla_chip_state_84xx *
8266 qla84xx_get_chip(struct scsi_qla_host *vha)
8267 {
8268         struct qla_chip_state_84xx *cs84xx;
8269         struct qla_hw_data *ha = vha->hw;
8270
8271         mutex_lock(&qla_cs84xx_mutex);
8272
8273         /* Find any shared 84xx chip. */
8274         list_for_each_entry(cs84xx, &qla_cs84xx_list, list) {
8275                 if (cs84xx->bus == ha->pdev->bus) {
8276                         kref_get(&cs84xx->kref);
8277                         goto done;
8278                 }
8279         }
8280
8281         cs84xx = kzalloc(sizeof(*cs84xx), GFP_KERNEL);
8282         if (!cs84xx)
8283                 goto done;
8284
8285         kref_init(&cs84xx->kref);
8286         spin_lock_init(&cs84xx->access_lock);
8287         mutex_init(&cs84xx->fw_update_mutex);
8288         cs84xx->bus = ha->pdev->bus;
8289
8290         list_add_tail(&cs84xx->list, &qla_cs84xx_list);
8291 done:
8292         mutex_unlock(&qla_cs84xx_mutex);
8293         return cs84xx;
8294 }
8295
8296 static void
8297 __qla84xx_chip_release(struct kref *kref)
8298 {
8299         struct qla_chip_state_84xx *cs84xx =
8300             container_of(kref, struct qla_chip_state_84xx, kref);
8301
8302         mutex_lock(&qla_cs84xx_mutex);
8303         list_del(&cs84xx->list);
8304         mutex_unlock(&qla_cs84xx_mutex);
8305         kfree(cs84xx);
8306 }
8307
8308 void
8309 qla84xx_put_chip(struct scsi_qla_host *vha)
8310 {
8311         struct qla_hw_data *ha = vha->hw;
8312
8313         if (ha->cs84xx)
8314                 kref_put(&ha->cs84xx->kref, __qla84xx_chip_release);
8315 }
8316
8317 static int
8318 qla84xx_init_chip(scsi_qla_host_t *vha)
8319 {
8320         int rval;
8321         uint16_t status[2];
8322         struct qla_hw_data *ha = vha->hw;
8323
8324         mutex_lock(&ha->cs84xx->fw_update_mutex);
8325
8326         rval = qla84xx_verify_chip(vha, status);
8327
8328         mutex_unlock(&ha->cs84xx->fw_update_mutex);
8329
8330         return rval != QLA_SUCCESS || status[0] ? QLA_FUNCTION_FAILED :
8331             QLA_SUCCESS;
8332 }
8333
8334 /* 81XX Support **************************************************************/
8335
8336 int
8337 qla81xx_nvram_config(scsi_qla_host_t *vha)
8338 {
8339         int   rval;
8340         struct init_cb_81xx *icb;
8341         struct nvram_81xx *nv;
8342         __le32 *dptr;
8343         uint8_t  *dptr1, *dptr2;
8344         uint32_t chksum;
8345         uint16_t cnt;
8346         struct qla_hw_data *ha = vha->hw;
8347         uint32_t faddr;
8348         struct active_regions active_regions = { };
8349
8350         rval = QLA_SUCCESS;
8351         icb = (struct init_cb_81xx *)ha->init_cb;
8352         nv = ha->nvram;
8353
8354         /* Determine NVRAM starting address. */
8355         ha->nvram_size = sizeof(*nv);
8356         ha->vpd_size = FA_NVRAM_VPD_SIZE;
8357         if (IS_P3P_TYPE(ha) || IS_QLA8031(ha))
8358                 ha->vpd_size = FA_VPD_SIZE_82XX;
8359
8360         if (IS_QLA28XX(ha) || IS_QLA27XX(ha))
8361                 qla28xx_get_aux_images(vha, &active_regions);
8362
8363         /* Get VPD data into cache */
8364         ha->vpd = ha->nvram + VPD_OFFSET;
8365
8366         faddr = ha->flt_region_vpd;
8367         if (IS_QLA28XX(ha)) {
8368                 if (active_regions.aux.vpd_nvram == QLA27XX_SECONDARY_IMAGE)
8369                         faddr = ha->flt_region_vpd_sec;
8370                 ql_dbg(ql_dbg_init, vha, 0x0110,
8371                     "Loading %s nvram image.\n",
8372                     active_regions.aux.vpd_nvram == QLA27XX_PRIMARY_IMAGE ?
8373                     "primary" : "secondary");
8374         }
8375         ha->isp_ops->read_optrom(vha, ha->vpd, faddr << 2, ha->vpd_size);
8376
8377         /* Get NVRAM data into cache and calculate checksum. */
8378         faddr = ha->flt_region_nvram;
8379         if (IS_QLA28XX(ha)) {
8380                 if (active_regions.aux.vpd_nvram == QLA27XX_SECONDARY_IMAGE)
8381                         faddr = ha->flt_region_nvram_sec;
8382         }
8383         ql_dbg(ql_dbg_init, vha, 0x0110,
8384             "Loading %s nvram image.\n",
8385             active_regions.aux.vpd_nvram == QLA27XX_PRIMARY_IMAGE ?
8386             "primary" : "secondary");
8387         ha->isp_ops->read_optrom(vha, ha->nvram, faddr << 2, ha->nvram_size);
8388
8389         dptr = (__force __le32 *)nv;
8390         for (cnt = 0, chksum = 0; cnt < ha->nvram_size >> 2; cnt++, dptr++)
8391                 chksum += le32_to_cpu(*dptr);
8392
8393         ql_dbg(ql_dbg_init + ql_dbg_buffer, vha, 0x0111,
8394             "Contents of NVRAM:\n");
8395         ql_dump_buffer(ql_dbg_init + ql_dbg_buffer, vha, 0x0112,
8396             nv, ha->nvram_size);
8397
8398         /* Bad NVRAM data, set defaults parameters. */
8399         if (chksum || memcmp("ISP ", nv->id, sizeof(nv->id)) ||
8400             le16_to_cpu(nv->nvram_version) < ICB_VERSION) {
8401                 /* Reset NVRAM data. */
8402                 ql_log(ql_log_info, vha, 0x0073,
8403                     "Inconsistent NVRAM checksum=%#x id=%.4s version=%#x.\n",
8404                     chksum, nv->id, le16_to_cpu(nv->nvram_version));
8405                 ql_dump_buffer(ql_dbg_init, vha, 0x0073, nv, sizeof(*nv));
8406                 ql_log(ql_log_info, vha, 0x0074,
8407                     "Falling back to functioning (yet invalid -- WWPN) "
8408                     "defaults.\n");
8409
8410                 /*
8411                  * Set default initialization control block.
8412                  */
8413                 memset(nv, 0, ha->nvram_size);
8414                 nv->nvram_version = cpu_to_le16(ICB_VERSION);
8415                 nv->version = cpu_to_le16(ICB_VERSION);
8416                 nv->frame_payload_size = cpu_to_le16(2048);
8417                 nv->execution_throttle = cpu_to_le16(0xFFFF);
8418                 nv->exchange_count = cpu_to_le16(0);
8419                 nv->port_name[0] = 0x21;
8420                 nv->port_name[1] = 0x00 + ha->port_no + 1;
8421                 nv->port_name[2] = 0x00;
8422                 nv->port_name[3] = 0xe0;
8423                 nv->port_name[4] = 0x8b;
8424                 nv->port_name[5] = 0x1c;
8425                 nv->port_name[6] = 0x55;
8426                 nv->port_name[7] = 0x86;
8427                 nv->node_name[0] = 0x20;
8428                 nv->node_name[1] = 0x00;
8429                 nv->node_name[2] = 0x00;
8430                 nv->node_name[3] = 0xe0;
8431                 nv->node_name[4] = 0x8b;
8432                 nv->node_name[5] = 0x1c;
8433                 nv->node_name[6] = 0x55;
8434                 nv->node_name[7] = 0x86;
8435                 nv->login_retry_count = cpu_to_le16(8);
8436                 nv->interrupt_delay_timer = cpu_to_le16(0);
8437                 nv->login_timeout = cpu_to_le16(0);
8438                 nv->firmware_options_1 =
8439                     cpu_to_le32(BIT_14|BIT_13|BIT_2|BIT_1);
8440                 nv->firmware_options_2 = cpu_to_le32(2 << 4);
8441                 nv->firmware_options_2 |= cpu_to_le32(BIT_12);
8442                 nv->firmware_options_3 = cpu_to_le32(2 << 13);
8443                 nv->host_p = cpu_to_le32(BIT_11|BIT_10);
8444                 nv->efi_parameters = cpu_to_le32(0);
8445                 nv->reset_delay = 5;
8446                 nv->max_luns_per_target = cpu_to_le16(128);
8447                 nv->port_down_retry_count = cpu_to_le16(30);
8448                 nv->link_down_timeout = cpu_to_le16(180);
8449                 nv->enode_mac[0] = 0x00;
8450                 nv->enode_mac[1] = 0xC0;
8451                 nv->enode_mac[2] = 0xDD;
8452                 nv->enode_mac[3] = 0x04;
8453                 nv->enode_mac[4] = 0x05;
8454                 nv->enode_mac[5] = 0x06 + ha->port_no + 1;
8455
8456                 rval = 1;
8457         }
8458
8459         if (IS_T10_PI_CAPABLE(ha))
8460                 nv->frame_payload_size &= cpu_to_le16(~7);
8461
8462         qlt_81xx_config_nvram_stage1(vha, nv);
8463
8464         /* Reset Initialization control block */
8465         memset(icb, 0, ha->init_cb_size);
8466
8467         /* Copy 1st segment. */
8468         dptr1 = (uint8_t *)icb;
8469         dptr2 = (uint8_t *)&nv->version;
8470         cnt = (uint8_t *)&icb->response_q_inpointer - (uint8_t *)&icb->version;
8471         while (cnt--)
8472                 *dptr1++ = *dptr2++;
8473
8474         icb->login_retry_count = nv->login_retry_count;
8475
8476         /* Copy 2nd segment. */
8477         dptr1 = (uint8_t *)&icb->interrupt_delay_timer;
8478         dptr2 = (uint8_t *)&nv->interrupt_delay_timer;
8479         cnt = (uint8_t *)&icb->reserved_5 -
8480             (uint8_t *)&icb->interrupt_delay_timer;
8481         while (cnt--)
8482                 *dptr1++ = *dptr2++;
8483
8484         memcpy(icb->enode_mac, nv->enode_mac, sizeof(icb->enode_mac));
8485         /* Some boards (with valid NVRAMs) still have NULL enode_mac!! */
8486         if (!memcmp(icb->enode_mac, "\0\0\0\0\0\0", sizeof(icb->enode_mac))) {
8487                 icb->enode_mac[0] = 0x00;
8488                 icb->enode_mac[1] = 0xC0;
8489                 icb->enode_mac[2] = 0xDD;
8490                 icb->enode_mac[3] = 0x04;
8491                 icb->enode_mac[4] = 0x05;
8492                 icb->enode_mac[5] = 0x06 + ha->port_no + 1;
8493         }
8494
8495         /* Use extended-initialization control block. */
8496         memcpy(ha->ex_init_cb, &nv->ex_version, sizeof(*ha->ex_init_cb));
8497         ha->frame_payload_size = le16_to_cpu(icb->frame_payload_size);
8498         /*
8499          * Setup driver NVRAM options.
8500          */
8501         qla2x00_set_model_info(vha, nv->model_name, sizeof(nv->model_name),
8502             "QLE8XXX");
8503
8504         qlt_81xx_config_nvram_stage2(vha, icb);
8505
8506         /* Use alternate WWN? */
8507         if (nv->host_p & cpu_to_le32(BIT_15)) {
8508                 memcpy(icb->node_name, nv->alternate_node_name, WWN_SIZE);
8509                 memcpy(icb->port_name, nv->alternate_port_name, WWN_SIZE);
8510         }
8511
8512         /* Prepare nodename */
8513         if ((icb->firmware_options_1 & cpu_to_le32(BIT_14)) == 0) {
8514                 /*
8515                  * Firmware will apply the following mask if the nodename was
8516                  * not provided.
8517                  */
8518                 memcpy(icb->node_name, icb->port_name, WWN_SIZE);
8519                 icb->node_name[0] &= 0xF0;
8520         }
8521
8522         if (IS_QLA28XX(ha) || IS_QLA27XX(ha)) {
8523                 if ((nv->enhanced_features & BIT_7) == 0)
8524                         ha->flags.scm_supported_a = 1;
8525         }
8526
8527         /* Set host adapter parameters. */
8528         ha->flags.disable_risc_code_load = 0;
8529         ha->flags.enable_lip_reset = 0;
8530         ha->flags.enable_lip_full_login =
8531             le32_to_cpu(nv->host_p) & BIT_10 ? 1 : 0;
8532         ha->flags.enable_target_reset =
8533             le32_to_cpu(nv->host_p) & BIT_11 ? 1 : 0;
8534         ha->flags.enable_led_scheme = 0;
8535         ha->flags.disable_serdes = le32_to_cpu(nv->host_p) & BIT_5 ? 1 : 0;
8536
8537         ha->operating_mode = (le32_to_cpu(icb->firmware_options_2) &
8538             (BIT_6 | BIT_5 | BIT_4)) >> 4;
8539
8540         /* save HBA serial number */
8541         ha->serial0 = icb->port_name[5];
8542         ha->serial1 = icb->port_name[6];
8543         ha->serial2 = icb->port_name[7];
8544         memcpy(vha->node_name, icb->node_name, WWN_SIZE);
8545         memcpy(vha->port_name, icb->port_name, WWN_SIZE);
8546
8547         icb->execution_throttle = cpu_to_le16(0xFFFF);
8548
8549         ha->retry_count = le16_to_cpu(nv->login_retry_count);
8550
8551         /* Set minimum login_timeout to 4 seconds. */
8552         if (le16_to_cpu(nv->login_timeout) < ql2xlogintimeout)
8553                 nv->login_timeout = cpu_to_le16(ql2xlogintimeout);
8554         if (le16_to_cpu(nv->login_timeout) < 4)
8555                 nv->login_timeout = cpu_to_le16(4);
8556         ha->login_timeout = le16_to_cpu(nv->login_timeout);
8557
8558         /* Set minimum RATOV to 100 tenths of a second. */
8559         ha->r_a_tov = 100;
8560
8561         ha->loop_reset_delay = nv->reset_delay;
8562
8563         /* Link Down Timeout = 0:
8564          *
8565          *      When Port Down timer expires we will start returning
8566          *      I/O's to OS with "DID_NO_CONNECT".
8567          *
8568          * Link Down Timeout != 0:
8569          *
8570          *       The driver waits for the link to come up after link down
8571          *       before returning I/Os to OS with "DID_NO_CONNECT".
8572          */
8573         if (le16_to_cpu(nv->link_down_timeout) == 0) {
8574                 ha->loop_down_abort_time =
8575                     (LOOP_DOWN_TIME - LOOP_DOWN_TIMEOUT);
8576         } else {
8577                 ha->link_down_timeout = le16_to_cpu(nv->link_down_timeout);
8578                 ha->loop_down_abort_time =
8579                     (LOOP_DOWN_TIME - ha->link_down_timeout);
8580         }
8581
8582         /* Need enough time to try and get the port back. */
8583         ha->port_down_retry_count = le16_to_cpu(nv->port_down_retry_count);
8584         if (qlport_down_retry)
8585                 ha->port_down_retry_count = qlport_down_retry;
8586
8587         /* Set login_retry_count */
8588         ha->login_retry_count  = le16_to_cpu(nv->login_retry_count);
8589         if (ha->port_down_retry_count ==
8590             le16_to_cpu(nv->port_down_retry_count) &&
8591             ha->port_down_retry_count > 3)
8592                 ha->login_retry_count = ha->port_down_retry_count;
8593         else if (ha->port_down_retry_count > (int)ha->login_retry_count)
8594                 ha->login_retry_count = ha->port_down_retry_count;
8595         if (ql2xloginretrycount)
8596                 ha->login_retry_count = ql2xloginretrycount;
8597
8598         /* if not running MSI-X we need handshaking on interrupts */
8599         if (!vha->hw->flags.msix_enabled &&
8600             (IS_QLA83XX(ha) || IS_QLA27XX(ha) || IS_QLA28XX(ha)))
8601                 icb->firmware_options_2 |= cpu_to_le32(BIT_22);
8602
8603         /* Enable ZIO. */
8604         if (!vha->flags.init_done) {
8605                 ha->zio_mode = le32_to_cpu(icb->firmware_options_2) &
8606                     (BIT_3 | BIT_2 | BIT_1 | BIT_0);
8607                 ha->zio_timer = le16_to_cpu(icb->interrupt_delay_timer) ?
8608                     le16_to_cpu(icb->interrupt_delay_timer) : 2;
8609         }
8610         icb->firmware_options_2 &= cpu_to_le32(
8611             ~(BIT_3 | BIT_2 | BIT_1 | BIT_0));
8612         vha->flags.process_response_queue = 0;
8613         if (ha->zio_mode != QLA_ZIO_DISABLED) {
8614                 ha->zio_mode = QLA_ZIO_MODE_6;
8615
8616                 ql_log(ql_log_info, vha, 0x0075,
8617                     "ZIO mode %d enabled; timer delay (%d us).\n",
8618                     ha->zio_mode,
8619                     ha->zio_timer * 100);
8620
8621                 icb->firmware_options_2 |= cpu_to_le32(
8622                     (uint32_t)ha->zio_mode);
8623                 icb->interrupt_delay_timer = cpu_to_le16(ha->zio_timer);
8624                 vha->flags.process_response_queue = 1;
8625         }
8626
8627          /* enable RIDA Format2 */
8628         icb->firmware_options_3 |= cpu_to_le32(BIT_0);
8629
8630         /* N2N: driver will initiate Login instead of FW */
8631         icb->firmware_options_3 |= cpu_to_le32(BIT_8);
8632
8633         /* Determine NVMe/FCP priority for target ports */
8634         ha->fc4_type_priority = qla2xxx_get_fc4_priority(vha);
8635
8636         if (rval) {
8637                 ql_log(ql_log_warn, vha, 0x0076,
8638                     "NVRAM configuration failed.\n");
8639         }
8640         return (rval);
8641 }
8642
8643 int
8644 qla82xx_restart_isp(scsi_qla_host_t *vha)
8645 {
8646         int status, rval;
8647         struct qla_hw_data *ha = vha->hw;
8648         struct scsi_qla_host *vp;
8649         unsigned long flags;
8650
8651         status = qla2x00_init_rings(vha);
8652         if (!status) {
8653                 clear_bit(RESET_MARKER_NEEDED, &vha->dpc_flags);
8654                 ha->flags.chip_reset_done = 1;
8655
8656                 status = qla2x00_fw_ready(vha);
8657                 if (!status) {
8658                         /* Issue a marker after FW becomes ready. */
8659                         qla2x00_marker(vha, ha->base_qpair, 0, 0, MK_SYNC_ALL);
8660                         vha->flags.online = 1;
8661                         set_bit(LOOP_RESYNC_NEEDED, &vha->dpc_flags);
8662                 }
8663
8664                 /* if no cable then assume it's good */
8665                 if ((vha->device_flags & DFLG_NO_CABLE))
8666                         status = 0;
8667         }
8668
8669         if (!status) {
8670                 clear_bit(RESET_MARKER_NEEDED, &vha->dpc_flags);
8671
8672                 if (!atomic_read(&vha->loop_down_timer)) {
8673                         /*
8674                          * Issue marker command only when we are going
8675                          * to start the I/O .
8676                          */
8677                         vha->marker_needed = 1;
8678                 }
8679
8680                 ha->isp_ops->enable_intrs(ha);
8681
8682                 ha->isp_abort_cnt = 0;
8683                 clear_bit(ISP_ABORT_RETRY, &vha->dpc_flags);
8684
8685                 /* Update the firmware version */
8686                 status = qla82xx_check_md_needed(vha);
8687
8688                 if (ha->fce) {
8689                         ha->flags.fce_enabled = 1;
8690                         memset(ha->fce, 0,
8691                             fce_calc_size(ha->fce_bufs));
8692                         rval = qla2x00_enable_fce_trace(vha,
8693                             ha->fce_dma, ha->fce_bufs, ha->fce_mb,
8694                             &ha->fce_bufs);
8695                         if (rval) {
8696                                 ql_log(ql_log_warn, vha, 0x8001,
8697                                     "Unable to reinitialize FCE (%d).\n",
8698                                     rval);
8699                                 ha->flags.fce_enabled = 0;
8700                         }
8701                 }
8702
8703                 if (ha->eft) {
8704                         memset(ha->eft, 0, EFT_SIZE);
8705                         rval = qla2x00_enable_eft_trace(vha,
8706                             ha->eft_dma, EFT_NUM_BUFFERS);
8707                         if (rval) {
8708                                 ql_log(ql_log_warn, vha, 0x8010,
8709                                     "Unable to reinitialize EFT (%d).\n",
8710                                     rval);
8711                         }
8712                 }
8713         }
8714
8715         if (!status) {
8716                 ql_dbg(ql_dbg_taskm, vha, 0x8011,
8717                     "qla82xx_restart_isp succeeded.\n");
8718
8719                 spin_lock_irqsave(&ha->vport_slock, flags);
8720                 list_for_each_entry(vp, &ha->vp_list, list) {
8721                         if (vp->vp_idx) {
8722                                 atomic_inc(&vp->vref_count);
8723                                 spin_unlock_irqrestore(&ha->vport_slock, flags);
8724
8725                                 qla2x00_vp_abort_isp(vp);
8726
8727                                 spin_lock_irqsave(&ha->vport_slock, flags);
8728                                 atomic_dec(&vp->vref_count);
8729                         }
8730                 }
8731                 spin_unlock_irqrestore(&ha->vport_slock, flags);
8732
8733         } else {
8734                 ql_log(ql_log_warn, vha, 0x8016,
8735                     "qla82xx_restart_isp **** FAILED ****.\n");
8736         }
8737
8738         return status;
8739 }
8740
8741 /*
8742  * qla24xx_get_fcp_prio
8743  *      Gets the fcp cmd priority value for the logged in port.
8744  *      Looks for a match of the port descriptors within
8745  *      each of the fcp prio config entries. If a match is found,
8746  *      the tag (priority) value is returned.
8747  *
8748  * Input:
8749  *      vha = scsi host structure pointer.
8750  *      fcport = port structure pointer.
8751  *
8752  * Return:
8753  *      non-zero (if found)
8754  *      -1 (if not found)
8755  *
8756  * Context:
8757  *      Kernel context
8758  */
8759 static int
8760 qla24xx_get_fcp_prio(scsi_qla_host_t *vha, fc_port_t *fcport)
8761 {
8762         int i, entries;
8763         uint8_t pid_match, wwn_match;
8764         int priority;
8765         uint32_t pid1, pid2;
8766         uint64_t wwn1, wwn2;
8767         struct qla_fcp_prio_entry *pri_entry;
8768         struct qla_hw_data *ha = vha->hw;
8769
8770         if (!ha->fcp_prio_cfg || !ha->flags.fcp_prio_enabled)
8771                 return -1;
8772
8773         priority = -1;
8774         entries = ha->fcp_prio_cfg->num_entries;
8775         pri_entry = &ha->fcp_prio_cfg->entry[0];
8776
8777         for (i = 0; i < entries; i++) {
8778                 pid_match = wwn_match = 0;
8779
8780                 if (!(pri_entry->flags & FCP_PRIO_ENTRY_VALID)) {
8781                         pri_entry++;
8782                         continue;
8783                 }
8784
8785                 /* check source pid for a match */
8786                 if (pri_entry->flags & FCP_PRIO_ENTRY_SPID_VALID) {
8787                         pid1 = pri_entry->src_pid & INVALID_PORT_ID;
8788                         pid2 = vha->d_id.b24 & INVALID_PORT_ID;
8789                         if (pid1 == INVALID_PORT_ID)
8790                                 pid_match++;
8791                         else if (pid1 == pid2)
8792                                 pid_match++;
8793                 }
8794
8795                 /* check destination pid for a match */
8796                 if (pri_entry->flags & FCP_PRIO_ENTRY_DPID_VALID) {
8797                         pid1 = pri_entry->dst_pid & INVALID_PORT_ID;
8798                         pid2 = fcport->d_id.b24 & INVALID_PORT_ID;
8799                         if (pid1 == INVALID_PORT_ID)
8800                                 pid_match++;
8801                         else if (pid1 == pid2)
8802                                 pid_match++;
8803                 }
8804
8805                 /* check source WWN for a match */
8806                 if (pri_entry->flags & FCP_PRIO_ENTRY_SWWN_VALID) {
8807                         wwn1 = wwn_to_u64(vha->port_name);
8808                         wwn2 = wwn_to_u64(pri_entry->src_wwpn);
8809                         if (wwn2 == (uint64_t)-1)
8810                                 wwn_match++;
8811                         else if (wwn1 == wwn2)
8812                                 wwn_match++;
8813                 }
8814
8815                 /* check destination WWN for a match */
8816                 if (pri_entry->flags & FCP_PRIO_ENTRY_DWWN_VALID) {
8817                         wwn1 = wwn_to_u64(fcport->port_name);
8818                         wwn2 = wwn_to_u64(pri_entry->dst_wwpn);
8819                         if (wwn2 == (uint64_t)-1)
8820                                 wwn_match++;
8821                         else if (wwn1 == wwn2)
8822                                 wwn_match++;
8823                 }
8824
8825                 if (pid_match == 2 || wwn_match == 2) {
8826                         /* Found a matching entry */
8827                         if (pri_entry->flags & FCP_PRIO_ENTRY_TAG_VALID)
8828                                 priority = pri_entry->tag;
8829                         break;
8830                 }
8831
8832                 pri_entry++;
8833         }
8834
8835         return priority;
8836 }
8837
8838 /*
8839  * qla24xx_update_fcport_fcp_prio
8840  *      Activates fcp priority for the logged in fc port
8841  *
8842  * Input:
8843  *      vha = scsi host structure pointer.
8844  *      fcp = port structure pointer.
8845  *
8846  * Return:
8847  *      QLA_SUCCESS or QLA_FUNCTION_FAILED
8848  *
8849  * Context:
8850  *      Kernel context.
8851  */
8852 int
8853 qla24xx_update_fcport_fcp_prio(scsi_qla_host_t *vha, fc_port_t *fcport)
8854 {
8855         int ret;
8856         int priority;
8857         uint16_t mb[5];
8858
8859         if (fcport->port_type != FCT_TARGET ||
8860             fcport->loop_id == FC_NO_LOOP_ID)
8861                 return QLA_FUNCTION_FAILED;
8862
8863         priority = qla24xx_get_fcp_prio(vha, fcport);
8864         if (priority < 0)
8865                 return QLA_FUNCTION_FAILED;
8866
8867         if (IS_P3P_TYPE(vha->hw)) {
8868                 fcport->fcp_prio = priority & 0xf;
8869                 return QLA_SUCCESS;
8870         }
8871
8872         ret = qla24xx_set_fcp_prio(vha, fcport->loop_id, priority, mb);
8873         if (ret == QLA_SUCCESS) {
8874                 if (fcport->fcp_prio != priority)
8875                         ql_dbg(ql_dbg_user, vha, 0x709e,
8876                             "Updated FCP_CMND priority - value=%d loop_id=%d "
8877                             "port_id=%02x%02x%02x.\n", priority,
8878                             fcport->loop_id, fcport->d_id.b.domain,
8879                             fcport->d_id.b.area, fcport->d_id.b.al_pa);
8880                 fcport->fcp_prio = priority & 0xf;
8881         } else
8882                 ql_dbg(ql_dbg_user, vha, 0x704f,
8883                     "Unable to update FCP_CMND priority - ret=0x%x for "
8884                     "loop_id=%d port_id=%02x%02x%02x.\n", ret, fcport->loop_id,
8885                     fcport->d_id.b.domain, fcport->d_id.b.area,
8886                     fcport->d_id.b.al_pa);
8887         return  ret;
8888 }
8889
8890 /*
8891  * qla24xx_update_all_fcp_prio
8892  *      Activates fcp priority for all the logged in ports
8893  *
8894  * Input:
8895  *      ha = adapter block pointer.
8896  *
8897  * Return:
8898  *      QLA_SUCCESS or QLA_FUNCTION_FAILED
8899  *
8900  * Context:
8901  *      Kernel context.
8902  */
8903 int
8904 qla24xx_update_all_fcp_prio(scsi_qla_host_t *vha)
8905 {
8906         int ret;
8907         fc_port_t *fcport;
8908
8909         ret = QLA_FUNCTION_FAILED;
8910         /* We need to set priority for all logged in ports */
8911         list_for_each_entry(fcport, &vha->vp_fcports, list)
8912                 ret = qla24xx_update_fcport_fcp_prio(vha, fcport);
8913
8914         return ret;
8915 }
8916
8917 struct qla_qpair *qla2xxx_create_qpair(struct scsi_qla_host *vha, int qos,
8918         int vp_idx, bool startqp)
8919 {
8920         int rsp_id = 0;
8921         int  req_id = 0;
8922         int i;
8923         struct qla_hw_data *ha = vha->hw;
8924         uint16_t qpair_id = 0;
8925         struct qla_qpair *qpair = NULL;
8926         struct qla_msix_entry *msix;
8927
8928         if (!(ha->fw_attributes & BIT_6) || !ha->flags.msix_enabled) {
8929                 ql_log(ql_log_warn, vha, 0x00181,
8930                     "FW/Driver is not multi-queue capable.\n");
8931                 return NULL;
8932         }
8933
8934         if (ql2xmqsupport || ql2xnvmeenable) {
8935                 qpair = kzalloc(sizeof(struct qla_qpair), GFP_KERNEL);
8936                 if (qpair == NULL) {
8937                         ql_log(ql_log_warn, vha, 0x0182,
8938                             "Failed to allocate memory for queue pair.\n");
8939                         return NULL;
8940                 }
8941
8942                 qpair->hw = vha->hw;
8943                 qpair->vha = vha;
8944                 qpair->qp_lock_ptr = &qpair->qp_lock;
8945                 spin_lock_init(&qpair->qp_lock);
8946                 qpair->use_shadow_reg = IS_SHADOW_REG_CAPABLE(ha) ? 1 : 0;
8947
8948                 /* Assign available que pair id */
8949                 mutex_lock(&ha->mq_lock);
8950                 qpair_id = find_first_zero_bit(ha->qpair_qid_map, ha->max_qpairs);
8951                 if (ha->num_qpairs >= ha->max_qpairs) {
8952                         mutex_unlock(&ha->mq_lock);
8953                         ql_log(ql_log_warn, vha, 0x0183,
8954                             "No resources to create additional q pair.\n");
8955                         goto fail_qid_map;
8956                 }
8957                 ha->num_qpairs++;
8958                 set_bit(qpair_id, ha->qpair_qid_map);
8959                 ha->queue_pair_map[qpair_id] = qpair;
8960                 qpair->id = qpair_id;
8961                 qpair->vp_idx = vp_idx;
8962                 qpair->fw_started = ha->flags.fw_started;
8963                 INIT_LIST_HEAD(&qpair->hints_list);
8964                 qpair->chip_reset = ha->base_qpair->chip_reset;
8965                 qpair->enable_class_2 = ha->base_qpair->enable_class_2;
8966                 qpair->enable_explicit_conf =
8967                     ha->base_qpair->enable_explicit_conf;
8968
8969                 for (i = 0; i < ha->msix_count; i++) {
8970                         msix = &ha->msix_entries[i];
8971                         if (msix->in_use)
8972                                 continue;
8973                         qpair->msix = msix;
8974                         ql_dbg(ql_dbg_multiq, vha, 0xc00f,
8975                             "Vector %x selected for qpair\n", msix->vector);
8976                         break;
8977                 }
8978                 if (!qpair->msix) {
8979                         ql_log(ql_log_warn, vha, 0x0184,
8980                             "Out of MSI-X vectors!.\n");
8981                         goto fail_msix;
8982                 }
8983
8984                 qpair->msix->in_use = 1;
8985                 list_add_tail(&qpair->qp_list_elem, &vha->qp_list);
8986                 qpair->pdev = ha->pdev;
8987                 if (IS_QLA27XX(ha) || IS_QLA83XX(ha) || IS_QLA28XX(ha))
8988                         qpair->reqq_start_iocbs = qla_83xx_start_iocbs;
8989
8990                 mutex_unlock(&ha->mq_lock);
8991
8992                 /* Create response queue first */
8993                 rsp_id = qla25xx_create_rsp_que(ha, 0, 0, 0, qpair, startqp);
8994                 if (!rsp_id) {
8995                         ql_log(ql_log_warn, vha, 0x0185,
8996                             "Failed to create response queue.\n");
8997                         goto fail_rsp;
8998                 }
8999
9000                 qpair->rsp = ha->rsp_q_map[rsp_id];
9001
9002                 /* Create request queue */
9003                 req_id = qla25xx_create_req_que(ha, 0, vp_idx, 0, rsp_id, qos,
9004                     startqp);
9005                 if (!req_id) {
9006                         ql_log(ql_log_warn, vha, 0x0186,
9007                             "Failed to create request queue.\n");
9008                         goto fail_req;
9009                 }
9010
9011                 qpair->req = ha->req_q_map[req_id];
9012                 qpair->rsp->req = qpair->req;
9013                 qpair->rsp->qpair = qpair;
9014                 /* init qpair to this cpu. Will adjust at run time. */
9015                 qla_cpu_update(qpair, smp_processor_id());
9016
9017                 if (IS_T10_PI_CAPABLE(ha) && ql2xenabledif) {
9018                         if (ha->fw_attributes & BIT_4)
9019                                 qpair->difdix_supported = 1;
9020                 }
9021
9022                 qpair->srb_mempool = mempool_create_slab_pool(SRB_MIN_REQ, srb_cachep);
9023                 if (!qpair->srb_mempool) {
9024                         ql_log(ql_log_warn, vha, 0xd036,
9025                             "Failed to create srb mempool for qpair %d\n",
9026                             qpair->id);
9027                         goto fail_mempool;
9028                 }
9029
9030                 /* Mark as online */
9031                 qpair->online = 1;
9032
9033                 if (!vha->flags.qpairs_available)
9034                         vha->flags.qpairs_available = 1;
9035
9036                 ql_dbg(ql_dbg_multiq, vha, 0xc00d,
9037                     "Request/Response queue pair created, id %d\n",
9038                     qpair->id);
9039                 ql_dbg(ql_dbg_init, vha, 0x0187,
9040                     "Request/Response queue pair created, id %d\n",
9041                     qpair->id);
9042         }
9043         return qpair;
9044
9045 fail_mempool:
9046 fail_req:
9047         qla25xx_delete_rsp_que(vha, qpair->rsp);
9048 fail_rsp:
9049         mutex_lock(&ha->mq_lock);
9050         qpair->msix->in_use = 0;
9051         list_del(&qpair->qp_list_elem);
9052         if (list_empty(&vha->qp_list))
9053                 vha->flags.qpairs_available = 0;
9054 fail_msix:
9055         ha->queue_pair_map[qpair_id] = NULL;
9056         clear_bit(qpair_id, ha->qpair_qid_map);
9057         ha->num_qpairs--;
9058         mutex_unlock(&ha->mq_lock);
9059 fail_qid_map:
9060         kfree(qpair);
9061         return NULL;
9062 }
9063
9064 int qla2xxx_delete_qpair(struct scsi_qla_host *vha, struct qla_qpair *qpair)
9065 {
9066         int ret = QLA_FUNCTION_FAILED;
9067         struct qla_hw_data *ha = qpair->hw;
9068
9069         qpair->delete_in_progress = 1;
9070
9071         ret = qla25xx_delete_req_que(vha, qpair->req);
9072         if (ret != QLA_SUCCESS)
9073                 goto fail;
9074
9075         ret = qla25xx_delete_rsp_que(vha, qpair->rsp);
9076         if (ret != QLA_SUCCESS)
9077                 goto fail;
9078
9079         mutex_lock(&ha->mq_lock);
9080         ha->queue_pair_map[qpair->id] = NULL;
9081         clear_bit(qpair->id, ha->qpair_qid_map);
9082         ha->num_qpairs--;
9083         list_del(&qpair->qp_list_elem);
9084         if (list_empty(&vha->qp_list)) {
9085                 vha->flags.qpairs_available = 0;
9086                 vha->flags.qpairs_req_created = 0;
9087                 vha->flags.qpairs_rsp_created = 0;
9088         }
9089         mempool_destroy(qpair->srb_mempool);
9090         kfree(qpair);
9091         mutex_unlock(&ha->mq_lock);
9092
9093         return QLA_SUCCESS;
9094 fail:
9095         return ret;
9096 }