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 = 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                                 /* fall through */
 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__, (void *)&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 = (void *)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 = 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_DWORD(&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_DWORD(&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_OFFET);
2865
2866 }
2867
2868 static void
2869 qla25xx_write_risc_sema_reg(scsi_qla_host_t *vha, uint32_t data)
2870 {
2871         struct device_reg_24xx __iomem *reg = &vha->hw->iobase->isp24;
2872
2873         WRT_REG_DWORD(&reg->iobase_addr, RISC_REGISTER_BASE_OFFSET);
2874         WRT_REG_DWORD(&reg->iobase_window + RISC_REGISTER_WINDOW_OFFET, data);
2875 }
2876
2877 static void
2878 qla25xx_manipulate_risc_semaphore(scsi_qla_host_t *vha)
2879 {
2880         uint32_t wd32 = 0;
2881         uint delta_msec = 100;
2882         uint elapsed_msec = 0;
2883         uint timeout_msec;
2884         ulong n;
2885
2886         if (vha->hw->pdev->subsystem_device != 0x0175 &&
2887             vha->hw->pdev->subsystem_device != 0x0240)
2888                 return;
2889
2890         WRT_REG_DWORD(&vha->hw->iobase->isp24.hccr, HCCRX_SET_RISC_PAUSE);
2891         udelay(100);
2892
2893 attempt:
2894         timeout_msec = TIMEOUT_SEMAPHORE;
2895         n = timeout_msec / delta_msec;
2896         while (n--) {
2897                 qla25xx_write_risc_sema_reg(vha, RISC_SEMAPHORE_SET);
2898                 qla25xx_read_risc_sema_reg(vha, &wd32);
2899                 if (wd32 & RISC_SEMAPHORE)
2900                         break;
2901                 msleep(delta_msec);
2902                 elapsed_msec += delta_msec;
2903                 if (elapsed_msec > TIMEOUT_TOTAL_ELAPSED)
2904                         goto force;
2905         }
2906
2907         if (!(wd32 & RISC_SEMAPHORE))
2908                 goto force;
2909
2910         if (!(wd32 & RISC_SEMAPHORE_FORCE))
2911                 goto acquired;
2912
2913         qla25xx_write_risc_sema_reg(vha, RISC_SEMAPHORE_CLR);
2914         timeout_msec = TIMEOUT_SEMAPHORE_FORCE;
2915         n = timeout_msec / delta_msec;
2916         while (n--) {
2917                 qla25xx_read_risc_sema_reg(vha, &wd32);
2918                 if (!(wd32 & RISC_SEMAPHORE_FORCE))
2919                         break;
2920                 msleep(delta_msec);
2921                 elapsed_msec += delta_msec;
2922                 if (elapsed_msec > TIMEOUT_TOTAL_ELAPSED)
2923                         goto force;
2924         }
2925
2926         if (wd32 & RISC_SEMAPHORE_FORCE)
2927                 qla25xx_write_risc_sema_reg(vha, RISC_SEMAPHORE_FORCE_CLR);
2928
2929         goto attempt;
2930
2931 force:
2932         qla25xx_write_risc_sema_reg(vha, RISC_SEMAPHORE_FORCE_SET);
2933
2934 acquired:
2935         return;
2936 }
2937
2938 /**
2939  * qla24xx_reset_chip() - Reset ISP24xx chip.
2940  * @vha: HA context
2941  *
2942  * Returns 0 on success.
2943  */
2944 int
2945 qla24xx_reset_chip(scsi_qla_host_t *vha)
2946 {
2947         struct qla_hw_data *ha = vha->hw;
2948         int rval = QLA_FUNCTION_FAILED;
2949
2950         if (pci_channel_offline(ha->pdev) &&
2951             ha->flags.pci_channel_io_perm_failure) {
2952                 return rval;
2953         }
2954
2955         ha->isp_ops->disable_intrs(ha);
2956
2957         qla25xx_manipulate_risc_semaphore(vha);
2958
2959         /* Perform RISC reset. */
2960         rval = qla24xx_reset_risc(vha);
2961
2962         return rval;
2963 }
2964
2965 /**
2966  * qla2x00_chip_diag() - Test chip for proper operation.
2967  * @vha: HA context
2968  *
2969  * Returns 0 on success.
2970  */
2971 int
2972 qla2x00_chip_diag(scsi_qla_host_t *vha)
2973 {
2974         int             rval;
2975         struct qla_hw_data *ha = vha->hw;
2976         struct device_reg_2xxx __iomem *reg = &ha->iobase->isp;
2977         unsigned long   flags = 0;
2978         uint16_t        data;
2979         uint32_t        cnt;
2980         uint16_t        mb[5];
2981         struct req_que *req = ha->req_q_map[0];
2982
2983         /* Assume a failed state */
2984         rval = QLA_FUNCTION_FAILED;
2985
2986         ql_dbg(ql_dbg_init, vha, 0x007b, "Testing device at %p.\n",
2987                &reg->flash_address);
2988
2989         spin_lock_irqsave(&ha->hardware_lock, flags);
2990
2991         /* Reset ISP chip. */
2992         WRT_REG_WORD(&reg->ctrl_status, CSR_ISP_SOFT_RESET);
2993
2994         /*
2995          * We need to have a delay here since the card will not respond while
2996          * in reset causing an MCA on some architectures.
2997          */
2998         udelay(20);
2999         data = qla2x00_debounce_register(&reg->ctrl_status);
3000         for (cnt = 6000000 ; cnt && (data & CSR_ISP_SOFT_RESET); cnt--) {
3001                 udelay(5);
3002                 data = RD_REG_WORD(&reg->ctrl_status);
3003                 barrier();
3004         }
3005
3006         if (!cnt)
3007                 goto chip_diag_failed;
3008
3009         ql_dbg(ql_dbg_init, vha, 0x007c,
3010             "Reset register cleared by chip reset.\n");
3011
3012         /* Reset RISC processor. */
3013         WRT_REG_WORD(&reg->hccr, HCCR_RESET_RISC);
3014         WRT_REG_WORD(&reg->hccr, HCCR_RELEASE_RISC);
3015
3016         /* Workaround for QLA2312 PCI parity error */
3017         if (IS_QLA2100(ha) || IS_QLA2200(ha) || IS_QLA2300(ha)) {
3018                 data = qla2x00_debounce_register(MAILBOX_REG(ha, reg, 0));
3019                 for (cnt = 6000000; cnt && (data == MBS_BUSY); cnt--) {
3020                         udelay(5);
3021                         data = RD_MAILBOX_REG(ha, reg, 0);
3022                         barrier();
3023                 }
3024         } else
3025                 udelay(10);
3026
3027         if (!cnt)
3028                 goto chip_diag_failed;
3029
3030         /* Check product ID of chip */
3031         ql_dbg(ql_dbg_init, vha, 0x007d, "Checking product ID of chip.\n");
3032
3033         mb[1] = RD_MAILBOX_REG(ha, reg, 1);
3034         mb[2] = RD_MAILBOX_REG(ha, reg, 2);
3035         mb[3] = RD_MAILBOX_REG(ha, reg, 3);
3036         mb[4] = qla2x00_debounce_register(MAILBOX_REG(ha, reg, 4));
3037         if (mb[1] != PROD_ID_1 || (mb[2] != PROD_ID_2 && mb[2] != PROD_ID_2a) ||
3038             mb[3] != PROD_ID_3) {
3039                 ql_log(ql_log_warn, vha, 0x0062,
3040                     "Wrong product ID = 0x%x,0x%x,0x%x.\n",
3041                     mb[1], mb[2], mb[3]);
3042
3043                 goto chip_diag_failed;
3044         }
3045         ha->product_id[0] = mb[1];
3046         ha->product_id[1] = mb[2];
3047         ha->product_id[2] = mb[3];
3048         ha->product_id[3] = mb[4];
3049
3050         /* Adjust fw RISC transfer size */
3051         if (req->length > 1024)
3052                 ha->fw_transfer_size = REQUEST_ENTRY_SIZE * 1024;
3053         else
3054                 ha->fw_transfer_size = REQUEST_ENTRY_SIZE *
3055                     req->length;
3056
3057         if (IS_QLA2200(ha) &&
3058             RD_MAILBOX_REG(ha, reg, 7) == QLA2200A_RISC_ROM_VER) {
3059                 /* Limit firmware transfer size with a 2200A */
3060                 ql_dbg(ql_dbg_init, vha, 0x007e, "Found QLA2200A Chip.\n");
3061
3062                 ha->device_type |= DT_ISP2200A;
3063                 ha->fw_transfer_size = 128;
3064         }
3065
3066         /* Wrap Incoming Mailboxes Test. */
3067         spin_unlock_irqrestore(&ha->hardware_lock, flags);
3068
3069         ql_dbg(ql_dbg_init, vha, 0x007f, "Checking mailboxes.\n");
3070         rval = qla2x00_mbx_reg_test(vha);
3071         if (rval)
3072                 ql_log(ql_log_warn, vha, 0x0080,
3073                     "Failed mailbox send register test.\n");
3074         else
3075                 /* Flag a successful rval */
3076                 rval = QLA_SUCCESS;
3077         spin_lock_irqsave(&ha->hardware_lock, flags);
3078
3079 chip_diag_failed:
3080         if (rval)
3081                 ql_log(ql_log_info, vha, 0x0081,
3082                     "Chip diagnostics **** FAILED ****.\n");
3083
3084         spin_unlock_irqrestore(&ha->hardware_lock, flags);
3085
3086         return (rval);
3087 }
3088
3089 /**
3090  * qla24xx_chip_diag() - Test ISP24xx for proper operation.
3091  * @vha: HA context
3092  *
3093  * Returns 0 on success.
3094  */
3095 int
3096 qla24xx_chip_diag(scsi_qla_host_t *vha)
3097 {
3098         int rval;
3099         struct qla_hw_data *ha = vha->hw;
3100         struct req_que *req = ha->req_q_map[0];
3101
3102         if (IS_P3P_TYPE(ha))
3103                 return QLA_SUCCESS;
3104
3105         ha->fw_transfer_size = REQUEST_ENTRY_SIZE * req->length;
3106
3107         rval = qla2x00_mbx_reg_test(vha);
3108         if (rval) {
3109                 ql_log(ql_log_warn, vha, 0x0082,
3110                     "Failed mailbox send register test.\n");
3111         } else {
3112                 /* Flag a successful rval */
3113                 rval = QLA_SUCCESS;
3114         }
3115
3116         return rval;
3117 }
3118
3119 static void
3120 qla2x00_init_fce_trace(scsi_qla_host_t *vha)
3121 {
3122         int rval;
3123         dma_addr_t tc_dma;
3124         void *tc;
3125         struct qla_hw_data *ha = vha->hw;
3126
3127         if (!IS_FWI2_CAPABLE(ha))
3128                 return;
3129
3130         if (!IS_QLA25XX(ha) && !IS_QLA81XX(ha) && !IS_QLA83XX(ha) &&
3131             !IS_QLA27XX(ha) && !IS_QLA28XX(ha))
3132                 return;
3133
3134         if (ha->fce) {
3135                 ql_dbg(ql_dbg_init, vha, 0x00bd,
3136                        "%s: FCE Mem is already allocated.\n",
3137                        __func__);
3138                 return;
3139         }
3140
3141         /* Allocate memory for Fibre Channel Event Buffer. */
3142         tc = dma_alloc_coherent(&ha->pdev->dev, FCE_SIZE, &tc_dma,
3143                                 GFP_KERNEL);
3144         if (!tc) {
3145                 ql_log(ql_log_warn, vha, 0x00be,
3146                        "Unable to allocate (%d KB) for FCE.\n",
3147                        FCE_SIZE / 1024);
3148                 return;
3149         }
3150
3151         rval = qla2x00_enable_fce_trace(vha, tc_dma, FCE_NUM_BUFFERS,
3152                                         ha->fce_mb, &ha->fce_bufs);
3153         if (rval) {
3154                 ql_log(ql_log_warn, vha, 0x00bf,
3155                        "Unable to initialize FCE (%d).\n", rval);
3156                 dma_free_coherent(&ha->pdev->dev, FCE_SIZE, tc, tc_dma);
3157                 return;
3158         }
3159
3160         ql_dbg(ql_dbg_init, vha, 0x00c0,
3161                "Allocated (%d KB) for FCE...\n", FCE_SIZE / 1024);
3162
3163         ha->flags.fce_enabled = 1;
3164         ha->fce_dma = tc_dma;
3165         ha->fce = tc;
3166 }
3167
3168 static void
3169 qla2x00_init_eft_trace(scsi_qla_host_t *vha)
3170 {
3171         int rval;
3172         dma_addr_t tc_dma;
3173         void *tc;
3174         struct qla_hw_data *ha = vha->hw;
3175
3176         if (!IS_FWI2_CAPABLE(ha))
3177                 return;
3178
3179         if (ha->eft) {
3180                 ql_dbg(ql_dbg_init, vha, 0x00bd,
3181                     "%s: EFT Mem is already allocated.\n",
3182                     __func__);
3183                 return;
3184         }
3185
3186         /* Allocate memory for Extended Trace Buffer. */
3187         tc = dma_alloc_coherent(&ha->pdev->dev, EFT_SIZE, &tc_dma,
3188                                 GFP_KERNEL);
3189         if (!tc) {
3190                 ql_log(ql_log_warn, vha, 0x00c1,
3191                        "Unable to allocate (%d KB) for EFT.\n",
3192                        EFT_SIZE / 1024);
3193                 return;
3194         }
3195
3196         rval = qla2x00_enable_eft_trace(vha, tc_dma, EFT_NUM_BUFFERS);
3197         if (rval) {
3198                 ql_log(ql_log_warn, vha, 0x00c2,
3199                        "Unable to initialize EFT (%d).\n", rval);
3200                 dma_free_coherent(&ha->pdev->dev, EFT_SIZE, tc, tc_dma);
3201                 return;
3202         }
3203
3204         ql_dbg(ql_dbg_init, vha, 0x00c3,
3205                "Allocated (%d KB) EFT ...\n", EFT_SIZE / 1024);
3206
3207         ha->eft_dma = tc_dma;
3208         ha->eft = tc;
3209 }
3210
3211 static void
3212 qla2x00_alloc_offload_mem(scsi_qla_host_t *vha)
3213 {
3214         qla2x00_init_fce_trace(vha);
3215         qla2x00_init_eft_trace(vha);
3216 }
3217
3218 void
3219 qla2x00_alloc_fw_dump(scsi_qla_host_t *vha)
3220 {
3221         uint32_t dump_size, fixed_size, mem_size, req_q_size, rsp_q_size,
3222             eft_size, fce_size, mq_size;
3223         struct qla_hw_data *ha = vha->hw;
3224         struct req_que *req = ha->req_q_map[0];
3225         struct rsp_que *rsp = ha->rsp_q_map[0];
3226         struct qla2xxx_fw_dump *fw_dump;
3227
3228         dump_size = fixed_size = mem_size = eft_size = fce_size = mq_size = 0;
3229         req_q_size = rsp_q_size = 0;
3230
3231         if (IS_QLA2100(ha) || IS_QLA2200(ha)) {
3232                 fixed_size = sizeof(struct qla2100_fw_dump);
3233         } else if (IS_QLA23XX(ha)) {
3234                 fixed_size = offsetof(struct qla2300_fw_dump, data_ram);
3235                 mem_size = (ha->fw_memory_size - 0x11000 + 1) *
3236                     sizeof(uint16_t);
3237         } else if (IS_FWI2_CAPABLE(ha)) {
3238                 if (IS_QLA83XX(ha) || IS_QLA27XX(ha) || IS_QLA28XX(ha))
3239                         fixed_size = offsetof(struct qla83xx_fw_dump, ext_mem);
3240                 else if (IS_QLA81XX(ha))
3241                         fixed_size = offsetof(struct qla81xx_fw_dump, ext_mem);
3242                 else if (IS_QLA25XX(ha))
3243                         fixed_size = offsetof(struct qla25xx_fw_dump, ext_mem);
3244                 else
3245                         fixed_size = offsetof(struct qla24xx_fw_dump, ext_mem);
3246
3247                 mem_size = (ha->fw_memory_size - 0x100000 + 1) *
3248                     sizeof(uint32_t);
3249                 if (ha->mqenable) {
3250                         if (!IS_QLA83XX(ha) && !IS_QLA27XX(ha) &&
3251                             !IS_QLA28XX(ha))
3252                                 mq_size = sizeof(struct qla2xxx_mq_chain);
3253                         /*
3254                          * Allocate maximum buffer size for all queues - Q0.
3255                          * Resizing must be done at end-of-dump processing.
3256                          */
3257                         mq_size += (ha->max_req_queues - 1) *
3258                             (req->length * sizeof(request_t));
3259                         mq_size += (ha->max_rsp_queues - 1) *
3260                             (rsp->length * sizeof(response_t));
3261                 }
3262                 if (ha->tgt.atio_ring)
3263                         mq_size += ha->tgt.atio_q_length * sizeof(request_t);
3264
3265                 qla2x00_init_fce_trace(vha);
3266                 if (ha->fce)
3267                         fce_size = sizeof(struct qla2xxx_fce_chain) + FCE_SIZE;
3268                 qla2x00_init_eft_trace(vha);
3269                 if (ha->eft)
3270                         eft_size = EFT_SIZE;
3271         }
3272
3273         if (IS_QLA27XX(ha) || IS_QLA28XX(ha)) {
3274                 struct fwdt *fwdt = ha->fwdt;
3275                 uint j;
3276
3277                 for (j = 0; j < 2; j++, fwdt++) {
3278                         if (!fwdt->template) {
3279                                 ql_dbg(ql_dbg_init, vha, 0x00ba,
3280                                     "-> fwdt%u no template\n", j);
3281                                 continue;
3282                         }
3283                         ql_dbg(ql_dbg_init, vha, 0x00fa,
3284                             "-> fwdt%u calculating fwdump size...\n", j);
3285                         fwdt->dump_size = qla27xx_fwdt_calculate_dump_size(
3286                             vha, fwdt->template);
3287                         ql_dbg(ql_dbg_init, vha, 0x00fa,
3288                             "-> fwdt%u calculated fwdump size = %#lx bytes\n",
3289                             j, fwdt->dump_size);
3290                         dump_size += fwdt->dump_size;
3291                 }
3292         } else {
3293                 req_q_size = req->length * sizeof(request_t);
3294                 rsp_q_size = rsp->length * sizeof(response_t);
3295                 dump_size = offsetof(struct qla2xxx_fw_dump, isp);
3296                 dump_size += fixed_size + mem_size + req_q_size + rsp_q_size
3297                         + eft_size;
3298                 ha->chain_offset = dump_size;
3299                 dump_size += mq_size + fce_size;
3300                 if (ha->exchoffld_buf)
3301                         dump_size += sizeof(struct qla2xxx_offld_chain) +
3302                                 ha->exchoffld_size;
3303                 if (ha->exlogin_buf)
3304                         dump_size += sizeof(struct qla2xxx_offld_chain) +
3305                                 ha->exlogin_size;
3306         }
3307
3308         if (!ha->fw_dump_len || dump_size > ha->fw_dump_alloc_len) {
3309
3310                 ql_dbg(ql_dbg_init, vha, 0x00c5,
3311                     "%s dump_size %d fw_dump_len %d fw_dump_alloc_len %d\n",
3312                     __func__, dump_size, ha->fw_dump_len,
3313                     ha->fw_dump_alloc_len);
3314
3315                 fw_dump = vmalloc(dump_size);
3316                 if (!fw_dump) {
3317                         ql_log(ql_log_warn, vha, 0x00c4,
3318                             "Unable to allocate (%d KB) for firmware dump.\n",
3319                             dump_size / 1024);
3320                 } else {
3321                         mutex_lock(&ha->optrom_mutex);
3322                         if (ha->fw_dumped) {
3323                                 memcpy(fw_dump, ha->fw_dump, ha->fw_dump_len);
3324                                 vfree(ha->fw_dump);
3325                                 ha->fw_dump = fw_dump;
3326                                 ha->fw_dump_alloc_len =  dump_size;
3327                                 ql_dbg(ql_dbg_init, vha, 0x00c5,
3328                                     "Re-Allocated (%d KB) and save firmware dump.\n",
3329                                     dump_size / 1024);
3330                         } else {
3331                                 if (ha->fw_dump)
3332                                         vfree(ha->fw_dump);
3333                                 ha->fw_dump = fw_dump;
3334
3335                                 ha->fw_dump_len = ha->fw_dump_alloc_len =
3336                                     dump_size;
3337                                 ql_dbg(ql_dbg_init, vha, 0x00c5,
3338                                     "Allocated (%d KB) for firmware dump.\n",
3339                                     dump_size / 1024);
3340
3341                                 if (IS_QLA27XX(ha) || IS_QLA28XX(ha)) {
3342                                         mutex_unlock(&ha->optrom_mutex);
3343                                         return;
3344                                 }
3345
3346                                 ha->fw_dump->signature[0] = 'Q';
3347                                 ha->fw_dump->signature[1] = 'L';
3348                                 ha->fw_dump->signature[2] = 'G';
3349                                 ha->fw_dump->signature[3] = 'C';
3350                                 ha->fw_dump->version = htonl(1);
3351
3352                                 ha->fw_dump->fixed_size = htonl(fixed_size);
3353                                 ha->fw_dump->mem_size = htonl(mem_size);
3354                                 ha->fw_dump->req_q_size = htonl(req_q_size);
3355                                 ha->fw_dump->rsp_q_size = htonl(rsp_q_size);
3356
3357                                 ha->fw_dump->eft_size = htonl(eft_size);
3358                                 ha->fw_dump->eft_addr_l =
3359                                     htonl(LSD(ha->eft_dma));
3360                                 ha->fw_dump->eft_addr_h =
3361                                     htonl(MSD(ha->eft_dma));
3362
3363                                 ha->fw_dump->header_size =
3364                                         htonl(offsetof
3365                                             (struct qla2xxx_fw_dump, isp));
3366                         }
3367                         mutex_unlock(&ha->optrom_mutex);
3368                 }
3369         }
3370 }
3371
3372 static int
3373 qla81xx_mpi_sync(scsi_qla_host_t *vha)
3374 {
3375 #define MPS_MASK        0xe0
3376         int rval;
3377         uint16_t dc;
3378         uint32_t dw;
3379
3380         if (!IS_QLA81XX(vha->hw))
3381                 return QLA_SUCCESS;
3382
3383         rval = qla2x00_write_ram_word(vha, 0x7c00, 1);
3384         if (rval != QLA_SUCCESS) {
3385                 ql_log(ql_log_warn, vha, 0x0105,
3386                     "Unable to acquire semaphore.\n");
3387                 goto done;
3388         }
3389
3390         pci_read_config_word(vha->hw->pdev, 0x54, &dc);
3391         rval = qla2x00_read_ram_word(vha, 0x7a15, &dw);
3392         if (rval != QLA_SUCCESS) {
3393                 ql_log(ql_log_warn, vha, 0x0067, "Unable to read sync.\n");
3394                 goto done_release;
3395         }
3396
3397         dc &= MPS_MASK;
3398         if (dc == (dw & MPS_MASK))
3399                 goto done_release;
3400
3401         dw &= ~MPS_MASK;
3402         dw |= dc;
3403         rval = qla2x00_write_ram_word(vha, 0x7a15, dw);
3404         if (rval != QLA_SUCCESS) {
3405                 ql_log(ql_log_warn, vha, 0x0114, "Unable to gain sync.\n");
3406         }
3407
3408 done_release:
3409         rval = qla2x00_write_ram_word(vha, 0x7c00, 0);
3410         if (rval != QLA_SUCCESS) {
3411                 ql_log(ql_log_warn, vha, 0x006d,
3412                     "Unable to release semaphore.\n");
3413         }
3414
3415 done:
3416         return rval;
3417 }
3418
3419 int
3420 qla2x00_alloc_outstanding_cmds(struct qla_hw_data *ha, struct req_que *req)
3421 {
3422         /* Don't try to reallocate the array */
3423         if (req->outstanding_cmds)
3424                 return QLA_SUCCESS;
3425
3426         if (!IS_FWI2_CAPABLE(ha))
3427                 req->num_outstanding_cmds = DEFAULT_OUTSTANDING_COMMANDS;
3428         else {
3429                 if (ha->cur_fw_xcb_count <= ha->cur_fw_iocb_count)
3430                         req->num_outstanding_cmds = ha->cur_fw_xcb_count;
3431                 else
3432                         req->num_outstanding_cmds = ha->cur_fw_iocb_count;
3433         }
3434
3435         req->outstanding_cmds = kcalloc(req->num_outstanding_cmds,
3436                                         sizeof(srb_t *),
3437                                         GFP_KERNEL);
3438
3439         if (!req->outstanding_cmds) {
3440                 /*
3441                  * Try to allocate a minimal size just so we can get through
3442                  * initialization.
3443                  */
3444                 req->num_outstanding_cmds = MIN_OUTSTANDING_COMMANDS;
3445                 req->outstanding_cmds = kcalloc(req->num_outstanding_cmds,
3446                                                 sizeof(srb_t *),
3447                                                 GFP_KERNEL);
3448
3449                 if (!req->outstanding_cmds) {
3450                         ql_log(ql_log_fatal, NULL, 0x0126,
3451                             "Failed to allocate memory for "
3452                             "outstanding_cmds for req_que %p.\n", req);
3453                         req->num_outstanding_cmds = 0;
3454                         return QLA_FUNCTION_FAILED;
3455                 }
3456         }
3457
3458         return QLA_SUCCESS;
3459 }
3460
3461 #define PRINT_FIELD(_field, _flag, _str) {              \
3462         if (a0->_field & _flag) {\
3463                 if (p) {\
3464                         strcat(ptr, "|");\
3465                         ptr++;\
3466                         leftover--;\
3467                 } \
3468                 len = snprintf(ptr, leftover, "%s", _str);      \
3469                 p = 1;\
3470                 leftover -= len;\
3471                 ptr += len; \
3472         } \
3473 }
3474
3475 static void qla2xxx_print_sfp_info(struct scsi_qla_host *vha)
3476 {
3477 #define STR_LEN 64
3478         struct sff_8247_a0 *a0 = (struct sff_8247_a0 *)vha->hw->sfp_data;
3479         u8 str[STR_LEN], *ptr, p;
3480         int leftover, len;
3481
3482         memset(str, 0, STR_LEN);
3483         snprintf(str, SFF_VEN_NAME_LEN+1, a0->vendor_name);
3484         ql_dbg(ql_dbg_init, vha, 0x015a,
3485             "SFP MFG Name: %s\n", str);
3486
3487         memset(str, 0, STR_LEN);
3488         snprintf(str, SFF_PART_NAME_LEN+1, a0->vendor_pn);
3489         ql_dbg(ql_dbg_init, vha, 0x015c,
3490             "SFP Part Name: %s\n", str);
3491
3492         /* media */
3493         memset(str, 0, STR_LEN);
3494         ptr = str;
3495         leftover = STR_LEN;
3496         p = len = 0;
3497         PRINT_FIELD(fc_med_cc9, FC_MED_TW, "Twin AX");
3498         PRINT_FIELD(fc_med_cc9, FC_MED_TP, "Twisted Pair");
3499         PRINT_FIELD(fc_med_cc9, FC_MED_MI, "Min Coax");
3500         PRINT_FIELD(fc_med_cc9, FC_MED_TV, "Video Coax");
3501         PRINT_FIELD(fc_med_cc9, FC_MED_M6, "MultiMode 62.5um");
3502         PRINT_FIELD(fc_med_cc9, FC_MED_M5, "MultiMode 50um");
3503         PRINT_FIELD(fc_med_cc9, FC_MED_SM, "SingleMode");
3504         ql_dbg(ql_dbg_init, vha, 0x0160,
3505             "SFP Media: %s\n", str);
3506
3507         /* link length */
3508         memset(str, 0, STR_LEN);
3509         ptr = str;
3510         leftover = STR_LEN;
3511         p = len = 0;
3512         PRINT_FIELD(fc_ll_cc7, FC_LL_VL, "Very Long");
3513         PRINT_FIELD(fc_ll_cc7, FC_LL_S, "Short");
3514         PRINT_FIELD(fc_ll_cc7, FC_LL_I, "Intermediate");
3515         PRINT_FIELD(fc_ll_cc7, FC_LL_L, "Long");
3516         PRINT_FIELD(fc_ll_cc7, FC_LL_M, "Medium");
3517         ql_dbg(ql_dbg_init, vha, 0x0196,
3518             "SFP Link Length: %s\n", str);
3519
3520         memset(str, 0, STR_LEN);
3521         ptr = str;
3522         leftover = STR_LEN;
3523         p = len = 0;
3524         PRINT_FIELD(fc_ll_cc7, FC_LL_SA, "Short Wave (SA)");
3525         PRINT_FIELD(fc_ll_cc7, FC_LL_LC, "Long Wave(LC)");
3526         PRINT_FIELD(fc_tec_cc8, FC_TEC_SN, "Short Wave (SN)");
3527         PRINT_FIELD(fc_tec_cc8, FC_TEC_SL, "Short Wave (SL)");
3528         PRINT_FIELD(fc_tec_cc8, FC_TEC_LL, "Long Wave (LL)");
3529         ql_dbg(ql_dbg_init, vha, 0x016e,
3530             "SFP FC Link Tech: %s\n", str);
3531
3532         if (a0->length_km)
3533                 ql_dbg(ql_dbg_init, vha, 0x016f,
3534                     "SFP Distant: %d km\n", a0->length_km);
3535         if (a0->length_100m)
3536                 ql_dbg(ql_dbg_init, vha, 0x0170,
3537                     "SFP Distant: %d m\n", a0->length_100m*100);
3538         if (a0->length_50um_10m)
3539                 ql_dbg(ql_dbg_init, vha, 0x0189,
3540                     "SFP Distant (WL=50um): %d m\n", a0->length_50um_10m * 10);
3541         if (a0->length_62um_10m)
3542                 ql_dbg(ql_dbg_init, vha, 0x018a,
3543                   "SFP Distant (WL=62.5um): %d m\n", a0->length_62um_10m * 10);
3544         if (a0->length_om4_10m)
3545                 ql_dbg(ql_dbg_init, vha, 0x0194,
3546                     "SFP Distant (OM4): %d m\n", a0->length_om4_10m * 10);
3547         if (a0->length_om3_10m)
3548                 ql_dbg(ql_dbg_init, vha, 0x0195,
3549                     "SFP Distant (OM3): %d m\n", a0->length_om3_10m * 10);
3550 }
3551
3552
3553 /**
3554  * qla24xx_detect_sfp()
3555  *
3556  * @vha: adapter state pointer.
3557  *
3558  * @return
3559  *      0 -- Configure firmware to use short-range settings -- normal
3560  *           buffer-to-buffer credits.
3561  *
3562  *      1 -- Configure firmware to use long-range settings -- extra
3563  *           buffer-to-buffer credits should be allocated with
3564  *           ha->lr_distance containing distance settings from NVRAM or SFP
3565  *           (if supported).
3566  */
3567 int
3568 qla24xx_detect_sfp(scsi_qla_host_t *vha)
3569 {
3570         int rc, used_nvram;
3571         struct sff_8247_a0 *a;
3572         struct qla_hw_data *ha = vha->hw;
3573         struct nvram_81xx *nv = ha->nvram;
3574 #define LR_DISTANCE_UNKNOWN     2
3575         static const char * const types[] = { "Short", "Long" };
3576         static const char * const lengths[] = { "(10km)", "(5km)", "" };
3577         u8 ll = 0;
3578
3579         /* Seed with NVRAM settings. */
3580         used_nvram = 0;
3581         ha->flags.lr_detected = 0;
3582         if (IS_BPM_RANGE_CAPABLE(ha) &&
3583             (nv->enhanced_features & NEF_LR_DIST_ENABLE)) {
3584                 used_nvram = 1;
3585                 ha->flags.lr_detected = 1;
3586                 ha->lr_distance =
3587                     (nv->enhanced_features >> LR_DIST_NV_POS)
3588                      & LR_DIST_NV_MASK;
3589         }
3590
3591         if (!IS_BPM_ENABLED(vha))
3592                 goto out;
3593         /* Determine SR/LR capabilities of SFP/Transceiver. */
3594         rc = qla2x00_read_sfp_dev(vha, NULL, 0);
3595         if (rc)
3596                 goto out;
3597
3598         used_nvram = 0;
3599         a = (struct sff_8247_a0 *)vha->hw->sfp_data;
3600         qla2xxx_print_sfp_info(vha);
3601
3602         ha->flags.lr_detected = 0;
3603         ll = a->fc_ll_cc7;
3604         if (ll & FC_LL_VL || ll & FC_LL_L) {
3605                 /* Long range, track length. */
3606                 ha->flags.lr_detected = 1;
3607
3608                 if (a->length_km > 5 || a->length_100m > 50)
3609                         ha->lr_distance = LR_DISTANCE_10K;
3610                 else
3611                         ha->lr_distance = LR_DISTANCE_5K;
3612         }
3613
3614 out:
3615         ql_dbg(ql_dbg_async, vha, 0x507b,
3616             "SFP detect: %s-Range SFP %s (nvr=%x ll=%x lr=%x lrd=%x).\n",
3617             types[ha->flags.lr_detected],
3618             ha->flags.lr_detected ? lengths[ha->lr_distance] :
3619                lengths[LR_DISTANCE_UNKNOWN],
3620             used_nvram, ll, ha->flags.lr_detected, ha->lr_distance);
3621         return ha->flags.lr_detected;
3622 }
3623
3624 /**
3625  * qla2x00_setup_chip() - Load and start RISC firmware.
3626  * @vha: HA context
3627  *
3628  * Returns 0 on success.
3629  */
3630 static int
3631 qla2x00_setup_chip(scsi_qla_host_t *vha)
3632 {
3633         int rval;
3634         uint32_t srisc_address = 0;
3635         struct qla_hw_data *ha = vha->hw;
3636         struct device_reg_2xxx __iomem *reg = &ha->iobase->isp;
3637         unsigned long flags;
3638         uint16_t fw_major_version;
3639         int done_once = 0;
3640
3641         if (IS_P3P_TYPE(ha)) {
3642                 rval = ha->isp_ops->load_risc(vha, &srisc_address);
3643                 if (rval == QLA_SUCCESS) {
3644                         qla2x00_stop_firmware(vha);
3645                         goto enable_82xx_npiv;
3646                 } else
3647                         goto failed;
3648         }
3649
3650         if (!IS_FWI2_CAPABLE(ha) && !IS_QLA2100(ha) && !IS_QLA2200(ha)) {
3651                 /* Disable SRAM, Instruction RAM and GP RAM parity.  */
3652                 spin_lock_irqsave(&ha->hardware_lock, flags);
3653                 WRT_REG_WORD(&reg->hccr, (HCCR_ENABLE_PARITY + 0x0));
3654                 RD_REG_WORD(&reg->hccr);
3655                 spin_unlock_irqrestore(&ha->hardware_lock, flags);
3656         }
3657
3658         qla81xx_mpi_sync(vha);
3659
3660 execute_fw_with_lr:
3661         /* Load firmware sequences */
3662         rval = ha->isp_ops->load_risc(vha, &srisc_address);
3663         if (rval == QLA_SUCCESS) {
3664                 ql_dbg(ql_dbg_init, vha, 0x00c9,
3665                     "Verifying Checksum of loaded RISC code.\n");
3666
3667                 rval = qla2x00_verify_checksum(vha, srisc_address);
3668                 if (rval == QLA_SUCCESS) {
3669                         /* Start firmware execution. */
3670                         ql_dbg(ql_dbg_init, vha, 0x00ca,
3671                             "Starting firmware.\n");
3672
3673                         if (ql2xexlogins)
3674                                 ha->flags.exlogins_enabled = 1;
3675
3676                         if (qla_is_exch_offld_enabled(vha))
3677                                 ha->flags.exchoffld_enabled = 1;
3678
3679                         rval = qla2x00_execute_fw(vha, srisc_address);
3680                         /* Retrieve firmware information. */
3681                         if (rval == QLA_SUCCESS) {
3682                                 /* Enable BPM support? */
3683                                 if (!done_once++ && qla24xx_detect_sfp(vha)) {
3684                                         ql_dbg(ql_dbg_init, vha, 0x00ca,
3685                                             "Re-starting firmware -- BPM.\n");
3686                                         /* Best-effort - re-init. */
3687                                         ha->isp_ops->reset_chip(vha);
3688                                         ha->isp_ops->chip_diag(vha);
3689                                         goto execute_fw_with_lr;
3690                                 }
3691
3692                                 if ((IS_QLA83XX(ha) || IS_QLA27XX(ha) ||
3693                                     IS_QLA28XX(ha)) &&
3694                                     (ha->zio_mode == QLA_ZIO_MODE_6))
3695                                         qla27xx_set_zio_threshold(vha,
3696                                             ha->last_zio_threshold);
3697
3698                                 rval = qla2x00_set_exlogins_buffer(vha);
3699                                 if (rval != QLA_SUCCESS)
3700                                         goto failed;
3701
3702                                 rval = qla2x00_set_exchoffld_buffer(vha);
3703                                 if (rval != QLA_SUCCESS)
3704                                         goto failed;
3705
3706 enable_82xx_npiv:
3707                                 fw_major_version = ha->fw_major_version;
3708                                 if (IS_P3P_TYPE(ha))
3709                                         qla82xx_check_md_needed(vha);
3710                                 else
3711                                         rval = qla2x00_get_fw_version(vha);
3712                                 if (rval != QLA_SUCCESS)
3713                                         goto failed;
3714                                 ha->flags.npiv_supported = 0;
3715                                 if (IS_QLA2XXX_MIDTYPE(ha) &&
3716                                          (ha->fw_attributes & BIT_2)) {
3717                                         ha->flags.npiv_supported = 1;
3718                                         if ((!ha->max_npiv_vports) ||
3719                                             ((ha->max_npiv_vports + 1) %
3720                                             MIN_MULTI_ID_FABRIC))
3721                                                 ha->max_npiv_vports =
3722                                                     MIN_MULTI_ID_FABRIC - 1;
3723                                 }
3724                                 qla2x00_get_resource_cnts(vha);
3725
3726                                 /*
3727                                  * Allocate the array of outstanding commands
3728                                  * now that we know the firmware resources.
3729                                  */
3730                                 rval = qla2x00_alloc_outstanding_cmds(ha,
3731                                     vha->req);
3732                                 if (rval != QLA_SUCCESS)
3733                                         goto failed;
3734
3735                                 if (!fw_major_version && !(IS_P3P_TYPE(ha)))
3736                                         qla2x00_alloc_offload_mem(vha);
3737
3738                                 if (ql2xallocfwdump && !(IS_P3P_TYPE(ha)))
3739                                         qla2x00_alloc_fw_dump(vha);
3740
3741                         } else {
3742                                 goto failed;
3743                         }
3744                 } else {
3745                         ql_log(ql_log_fatal, vha, 0x00cd,
3746                             "ISP Firmware failed checksum.\n");
3747                         goto failed;
3748                 }
3749
3750                 /* Enable PUREX PASSTHRU */
3751                 if (ql2xrdpenable)
3752                         qla25xx_set_els_cmds_supported(vha);
3753         } else
3754                 goto failed;
3755
3756         if (!IS_FWI2_CAPABLE(ha) && !IS_QLA2100(ha) && !IS_QLA2200(ha)) {
3757                 /* Enable proper parity. */
3758                 spin_lock_irqsave(&ha->hardware_lock, flags);
3759                 if (IS_QLA2300(ha))
3760                         /* SRAM parity */
3761                         WRT_REG_WORD(&reg->hccr, HCCR_ENABLE_PARITY + 0x1);
3762                 else
3763                         /* SRAM, Instruction RAM and GP RAM parity */
3764                         WRT_REG_WORD(&reg->hccr, HCCR_ENABLE_PARITY + 0x7);
3765                 RD_REG_WORD(&reg->hccr);
3766                 spin_unlock_irqrestore(&ha->hardware_lock, flags);
3767         }
3768
3769         if (IS_QLA27XX(ha) || IS_QLA28XX(ha))
3770                 ha->flags.fac_supported = 1;
3771         else if (rval == QLA_SUCCESS && IS_FAC_REQUIRED(ha)) {
3772                 uint32_t size;
3773
3774                 rval = qla81xx_fac_get_sector_size(vha, &size);
3775                 if (rval == QLA_SUCCESS) {
3776                         ha->flags.fac_supported = 1;
3777                         ha->fdt_block_size = size << 2;
3778                 } else {
3779                         ql_log(ql_log_warn, vha, 0x00ce,
3780                             "Unsupported FAC firmware (%d.%02d.%02d).\n",
3781                             ha->fw_major_version, ha->fw_minor_version,
3782                             ha->fw_subminor_version);
3783
3784                         if (IS_QLA83XX(ha) || IS_QLA27XX(ha) ||
3785                             IS_QLA28XX(ha)) {
3786                                 ha->flags.fac_supported = 0;
3787                                 rval = QLA_SUCCESS;
3788                         }
3789                 }
3790         }
3791 failed:
3792         if (rval) {
3793                 ql_log(ql_log_fatal, vha, 0x00cf,
3794                     "Setup chip ****FAILED****.\n");
3795         }
3796
3797         return (rval);
3798 }
3799
3800 /**
3801  * qla2x00_init_response_q_entries() - Initializes response queue entries.
3802  * @rsp: response queue
3803  *
3804  * Beginning of request ring has initialization control block already built
3805  * by nvram config routine.
3806  *
3807  * Returns 0 on success.
3808  */
3809 void
3810 qla2x00_init_response_q_entries(struct rsp_que *rsp)
3811 {
3812         uint16_t cnt;
3813         response_t *pkt;
3814
3815         rsp->ring_ptr = rsp->ring;
3816         rsp->ring_index    = 0;
3817         rsp->status_srb = NULL;
3818         pkt = rsp->ring_ptr;
3819         for (cnt = 0; cnt < rsp->length; cnt++) {
3820                 pkt->signature = RESPONSE_PROCESSED;
3821                 pkt++;
3822         }
3823 }
3824
3825 /**
3826  * qla2x00_update_fw_options() - Read and process firmware options.
3827  * @vha: HA context
3828  *
3829  * Returns 0 on success.
3830  */
3831 void
3832 qla2x00_update_fw_options(scsi_qla_host_t *vha)
3833 {
3834         uint16_t swing, emphasis, tx_sens, rx_sens;
3835         struct qla_hw_data *ha = vha->hw;
3836
3837         memset(ha->fw_options, 0, sizeof(ha->fw_options));
3838         qla2x00_get_fw_options(vha, ha->fw_options);
3839
3840         if (IS_QLA2100(ha) || IS_QLA2200(ha))
3841                 return;
3842
3843         /* Serial Link options. */
3844         ql_dbg(ql_dbg_init + ql_dbg_buffer, vha, 0x0115,
3845             "Serial link options.\n");
3846         ql_dump_buffer(ql_dbg_init + ql_dbg_buffer, vha, 0x0109,
3847             ha->fw_seriallink_options, sizeof(ha->fw_seriallink_options));
3848
3849         ha->fw_options[1] &= ~FO1_SET_EMPHASIS_SWING;
3850         if (ha->fw_seriallink_options[3] & BIT_2) {
3851                 ha->fw_options[1] |= FO1_SET_EMPHASIS_SWING;
3852
3853                 /*  1G settings */
3854                 swing = ha->fw_seriallink_options[2] & (BIT_2 | BIT_1 | BIT_0);
3855                 emphasis = (ha->fw_seriallink_options[2] &
3856                     (BIT_4 | BIT_3)) >> 3;
3857                 tx_sens = ha->fw_seriallink_options[0] &
3858                     (BIT_3 | BIT_2 | BIT_1 | BIT_0);
3859                 rx_sens = (ha->fw_seriallink_options[0] &
3860                     (BIT_7 | BIT_6 | BIT_5 | BIT_4)) >> 4;
3861                 ha->fw_options[10] = (emphasis << 14) | (swing << 8);
3862                 if (IS_QLA2300(ha) || IS_QLA2312(ha) || IS_QLA6312(ha)) {
3863                         if (rx_sens == 0x0)
3864                                 rx_sens = 0x3;
3865                         ha->fw_options[10] |= (tx_sens << 4) | rx_sens;
3866                 } else if (IS_QLA2322(ha) || IS_QLA6322(ha))
3867                         ha->fw_options[10] |= BIT_5 |
3868                             ((rx_sens & (BIT_1 | BIT_0)) << 2) |
3869                             (tx_sens & (BIT_1 | BIT_0));
3870
3871                 /*  2G settings */
3872                 swing = (ha->fw_seriallink_options[2] &
3873                     (BIT_7 | BIT_6 | BIT_5)) >> 5;
3874                 emphasis = ha->fw_seriallink_options[3] & (BIT_1 | BIT_0);
3875                 tx_sens = ha->fw_seriallink_options[1] &
3876                     (BIT_3 | BIT_2 | BIT_1 | BIT_0);
3877                 rx_sens = (ha->fw_seriallink_options[1] &
3878                     (BIT_7 | BIT_6 | BIT_5 | BIT_4)) >> 4;
3879                 ha->fw_options[11] = (emphasis << 14) | (swing << 8);
3880                 if (IS_QLA2300(ha) || IS_QLA2312(ha) || IS_QLA6312(ha)) {
3881                         if (rx_sens == 0x0)
3882                                 rx_sens = 0x3;
3883                         ha->fw_options[11] |= (tx_sens << 4) | rx_sens;
3884                 } else if (IS_QLA2322(ha) || IS_QLA6322(ha))
3885                         ha->fw_options[11] |= BIT_5 |
3886                             ((rx_sens & (BIT_1 | BIT_0)) << 2) |
3887                             (tx_sens & (BIT_1 | BIT_0));
3888         }
3889
3890         /* FCP2 options. */
3891         /*  Return command IOCBs without waiting for an ABTS to complete. */
3892         ha->fw_options[3] |= BIT_13;
3893
3894         /* LED scheme. */
3895         if (ha->flags.enable_led_scheme)
3896                 ha->fw_options[2] |= BIT_12;
3897
3898         /* Detect ISP6312. */
3899         if (IS_QLA6312(ha))
3900                 ha->fw_options[2] |= BIT_13;
3901
3902         /* Set Retry FLOGI in case of P2P connection */
3903         if (ha->operating_mode == P2P) {
3904                 ha->fw_options[2] |= BIT_3;
3905                 ql_dbg(ql_dbg_disc, vha, 0x2100,
3906                     "(%s): Setting FLOGI retry BIT in fw_options[2]: 0x%x\n",
3907                         __func__, ha->fw_options[2]);
3908         }
3909
3910         /* Update firmware options. */
3911         qla2x00_set_fw_options(vha, ha->fw_options);
3912 }
3913
3914 void
3915 qla24xx_update_fw_options(scsi_qla_host_t *vha)
3916 {
3917         int rval;
3918         struct qla_hw_data *ha = vha->hw;
3919
3920         if (IS_P3P_TYPE(ha))
3921                 return;
3922
3923         /*  Hold status IOCBs until ABTS response received. */
3924         if (ql2xfwholdabts)
3925                 ha->fw_options[3] |= BIT_12;
3926
3927         /* Set Retry FLOGI in case of P2P connection */
3928         if (ha->operating_mode == P2P) {
3929                 ha->fw_options[2] |= BIT_3;
3930                 ql_dbg(ql_dbg_disc, vha, 0x2101,
3931                     "(%s): Setting FLOGI retry BIT in fw_options[2]: 0x%x\n",
3932                         __func__, ha->fw_options[2]);
3933         }
3934
3935         /* Move PUREX, ABTS RX & RIDA to ATIOQ */
3936         if (ql2xmvasynctoatio &&
3937             (IS_QLA83XX(ha) || IS_QLA27XX(ha) || IS_QLA28XX(ha))) {
3938                 if (qla_tgt_mode_enabled(vha) ||
3939                     qla_dual_mode_enabled(vha))
3940                         ha->fw_options[2] |= BIT_11;
3941                 else
3942                         ha->fw_options[2] &= ~BIT_11;
3943         }
3944
3945         if (IS_QLA25XX(ha) || IS_QLA83XX(ha) || IS_QLA27XX(ha) ||
3946             IS_QLA28XX(ha)) {
3947                 /*
3948                  * Tell FW to track each exchange to prevent
3949                  * driver from using stale exchange.
3950                  */
3951                 if (qla_tgt_mode_enabled(vha) ||
3952                     qla_dual_mode_enabled(vha))
3953                         ha->fw_options[2] |= BIT_4;
3954                 else
3955                         ha->fw_options[2] &= ~BIT_4;
3956
3957                 /* Reserve 1/2 of emergency exchanges for ELS.*/
3958                 if (qla2xuseresexchforels)
3959                         ha->fw_options[2] |= BIT_8;
3960                 else
3961                         ha->fw_options[2] &= ~BIT_8;
3962         }
3963
3964         if (ql2xrdpenable)
3965                 ha->fw_options[1] |= ADD_FO1_ENABLE_PUREX_IOCB;
3966
3967         /* Enable Async 8130/8131 events -- transceiver insertion/removal */
3968         if (IS_BPM_RANGE_CAPABLE(ha))
3969                 ha->fw_options[3] |= BIT_10;
3970
3971         ql_dbg(ql_dbg_init, vha, 0x00e8,
3972             "%s, add FW options 1-3 = 0x%04x 0x%04x 0x%04x mode %x\n",
3973             __func__, ha->fw_options[1], ha->fw_options[2],
3974             ha->fw_options[3], vha->host->active_mode);
3975
3976         if (ha->fw_options[1] || ha->fw_options[2] || ha->fw_options[3])
3977                 qla2x00_set_fw_options(vha, ha->fw_options);
3978
3979         /* Update Serial Link options. */
3980         if ((le16_to_cpu(ha->fw_seriallink_options24[0]) & BIT_0) == 0)
3981                 return;
3982
3983         rval = qla2x00_set_serdes_params(vha,
3984             le16_to_cpu(ha->fw_seriallink_options24[1]),
3985             le16_to_cpu(ha->fw_seriallink_options24[2]),
3986             le16_to_cpu(ha->fw_seriallink_options24[3]));
3987         if (rval != QLA_SUCCESS) {
3988                 ql_log(ql_log_warn, vha, 0x0104,
3989                     "Unable to update Serial Link options (%x).\n", rval);
3990         }
3991 }
3992
3993 void
3994 qla2x00_config_rings(struct scsi_qla_host *vha)
3995 {
3996         struct qla_hw_data *ha = vha->hw;
3997         struct device_reg_2xxx __iomem *reg = &ha->iobase->isp;
3998         struct req_que *req = ha->req_q_map[0];
3999         struct rsp_que *rsp = ha->rsp_q_map[0];
4000
4001         /* Setup ring parameters in initialization control block. */
4002         ha->init_cb->request_q_outpointer = cpu_to_le16(0);
4003         ha->init_cb->response_q_inpointer = cpu_to_le16(0);
4004         ha->init_cb->request_q_length = cpu_to_le16(req->length);
4005         ha->init_cb->response_q_length = cpu_to_le16(rsp->length);
4006         put_unaligned_le64(req->dma, &ha->init_cb->request_q_address);
4007         put_unaligned_le64(rsp->dma, &ha->init_cb->response_q_address);
4008
4009         WRT_REG_WORD(ISP_REQ_Q_IN(ha, reg), 0);
4010         WRT_REG_WORD(ISP_REQ_Q_OUT(ha, reg), 0);
4011         WRT_REG_WORD(ISP_RSP_Q_IN(ha, reg), 0);
4012         WRT_REG_WORD(ISP_RSP_Q_OUT(ha, reg), 0);
4013         RD_REG_WORD(ISP_RSP_Q_OUT(ha, reg));            /* PCI Posting. */
4014 }
4015
4016 void
4017 qla24xx_config_rings(struct scsi_qla_host *vha)
4018 {
4019         struct qla_hw_data *ha = vha->hw;
4020         device_reg_t *reg = ISP_QUE_REG(ha, 0);
4021         struct device_reg_2xxx __iomem *ioreg = &ha->iobase->isp;
4022         struct qla_msix_entry *msix;
4023         struct init_cb_24xx *icb;
4024         uint16_t rid = 0;
4025         struct req_que *req = ha->req_q_map[0];
4026         struct rsp_que *rsp = ha->rsp_q_map[0];
4027
4028         /* Setup ring parameters in initialization control block. */
4029         icb = (struct init_cb_24xx *)ha->init_cb;
4030         icb->request_q_outpointer = cpu_to_le16(0);
4031         icb->response_q_inpointer = cpu_to_le16(0);
4032         icb->request_q_length = cpu_to_le16(req->length);
4033         icb->response_q_length = cpu_to_le16(rsp->length);
4034         put_unaligned_le64(req->dma, &icb->request_q_address);
4035         put_unaligned_le64(rsp->dma, &icb->response_q_address);
4036
4037         /* Setup ATIO queue dma pointers for target mode */
4038         icb->atio_q_inpointer = cpu_to_le16(0);
4039         icb->atio_q_length = cpu_to_le16(ha->tgt.atio_q_length);
4040         put_unaligned_le64(ha->tgt.atio_dma, &icb->atio_q_address);
4041
4042         if (IS_SHADOW_REG_CAPABLE(ha))
4043                 icb->firmware_options_2 |= cpu_to_le32(BIT_30|BIT_29);
4044
4045         if (ha->mqenable || IS_QLA83XX(ha) || IS_QLA27XX(ha) ||
4046             IS_QLA28XX(ha)) {
4047                 icb->qos = cpu_to_le16(QLA_DEFAULT_QUE_QOS);
4048                 icb->rid = cpu_to_le16(rid);
4049                 if (ha->flags.msix_enabled) {
4050                         msix = &ha->msix_entries[1];
4051                         ql_dbg(ql_dbg_init, vha, 0x0019,
4052                             "Registering vector 0x%x for base que.\n",
4053                             msix->entry);
4054                         icb->msix = cpu_to_le16(msix->entry);
4055                 }
4056                 /* Use alternate PCI bus number */
4057                 if (MSB(rid))
4058                         icb->firmware_options_2 |= cpu_to_le32(BIT_19);
4059                 /* Use alternate PCI devfn */
4060                 if (LSB(rid))
4061                         icb->firmware_options_2 |= cpu_to_le32(BIT_18);
4062
4063                 /* Use Disable MSIX Handshake mode for capable adapters */
4064                 if ((ha->fw_attributes & BIT_6) && (IS_MSIX_NACK_CAPABLE(ha)) &&
4065                     (ha->flags.msix_enabled)) {
4066                         icb->firmware_options_2 &= cpu_to_le32(~BIT_22);
4067                         ha->flags.disable_msix_handshake = 1;
4068                         ql_dbg(ql_dbg_init, vha, 0x00fe,
4069                             "MSIX Handshake Disable Mode turned on.\n");
4070                 } else {
4071                         icb->firmware_options_2 |= cpu_to_le32(BIT_22);
4072                 }
4073                 icb->firmware_options_2 |= cpu_to_le32(BIT_23);
4074
4075                 WRT_REG_DWORD(&reg->isp25mq.req_q_in, 0);
4076                 WRT_REG_DWORD(&reg->isp25mq.req_q_out, 0);
4077                 WRT_REG_DWORD(&reg->isp25mq.rsp_q_in, 0);
4078                 WRT_REG_DWORD(&reg->isp25mq.rsp_q_out, 0);
4079         } else {
4080                 WRT_REG_DWORD(&reg->isp24.req_q_in, 0);
4081                 WRT_REG_DWORD(&reg->isp24.req_q_out, 0);
4082                 WRT_REG_DWORD(&reg->isp24.rsp_q_in, 0);
4083                 WRT_REG_DWORD(&reg->isp24.rsp_q_out, 0);
4084         }
4085
4086         qlt_24xx_config_rings(vha);
4087
4088         /* If the user has configured the speed, set it here */
4089         if (ha->set_data_rate) {
4090                 ql_dbg(ql_dbg_init, vha, 0x00fd,
4091                     "Speed set by user : %s Gbps \n",
4092                     qla2x00_get_link_speed_str(ha, ha->set_data_rate));
4093                 icb->firmware_options_3 = (ha->set_data_rate << 13);
4094         }
4095
4096         /* PCI posting */
4097         RD_REG_DWORD(&ioreg->hccr);
4098 }
4099
4100 /**
4101  * qla2x00_init_rings() - Initializes firmware.
4102  * @vha: HA context
4103  *
4104  * Beginning of request ring has initialization control block already built
4105  * by nvram config routine.
4106  *
4107  * Returns 0 on success.
4108  */
4109 int
4110 qla2x00_init_rings(scsi_qla_host_t *vha)
4111 {
4112         int     rval;
4113         unsigned long flags = 0;
4114         int cnt, que;
4115         struct qla_hw_data *ha = vha->hw;
4116         struct req_que *req;
4117         struct rsp_que *rsp;
4118         struct mid_init_cb_24xx *mid_init_cb =
4119             (struct mid_init_cb_24xx *) ha->init_cb;
4120
4121         spin_lock_irqsave(&ha->hardware_lock, flags);
4122
4123         /* Clear outstanding commands array. */
4124         for (que = 0; que < ha->max_req_queues; que++) {
4125                 req = ha->req_q_map[que];
4126                 if (!req || !test_bit(que, ha->req_qid_map))
4127                         continue;
4128                 req->out_ptr = (void *)(req->ring + req->length);
4129                 *req->out_ptr = 0;
4130                 for (cnt = 1; cnt < req->num_outstanding_cmds; cnt++)
4131                         req->outstanding_cmds[cnt] = NULL;
4132
4133                 req->current_outstanding_cmd = 1;
4134
4135                 /* Initialize firmware. */
4136                 req->ring_ptr  = req->ring;
4137                 req->ring_index    = 0;
4138                 req->cnt      = req->length;
4139         }
4140
4141         for (que = 0; que < ha->max_rsp_queues; que++) {
4142                 rsp = ha->rsp_q_map[que];
4143                 if (!rsp || !test_bit(que, ha->rsp_qid_map))
4144                         continue;
4145                 rsp->in_ptr = (void *)(rsp->ring + rsp->length);
4146                 *rsp->in_ptr = 0;
4147                 /* Initialize response queue entries */
4148                 if (IS_QLAFX00(ha))
4149                         qlafx00_init_response_q_entries(rsp);
4150                 else
4151                         qla2x00_init_response_q_entries(rsp);
4152         }
4153
4154         ha->tgt.atio_ring_ptr = ha->tgt.atio_ring;
4155         ha->tgt.atio_ring_index = 0;
4156         /* Initialize ATIO queue entries */
4157         qlt_init_atio_q_entries(vha);
4158
4159         ha->isp_ops->config_rings(vha);
4160
4161         spin_unlock_irqrestore(&ha->hardware_lock, flags);
4162
4163         ql_dbg(ql_dbg_init, vha, 0x00d1, "Issue init firmware.\n");
4164
4165         if (IS_QLAFX00(ha)) {
4166                 rval = qlafx00_init_firmware(vha, ha->init_cb_size);
4167                 goto next_check;
4168         }
4169
4170         /* Update any ISP specific firmware options before initialization. */
4171         ha->isp_ops->update_fw_options(vha);
4172
4173         if (ha->flags.npiv_supported) {
4174                 if (ha->operating_mode == LOOP && !IS_CNA_CAPABLE(ha))
4175                         ha->max_npiv_vports = MIN_MULTI_ID_FABRIC - 1;
4176                 mid_init_cb->count = cpu_to_le16(ha->max_npiv_vports);
4177         }
4178
4179         if (IS_FWI2_CAPABLE(ha)) {
4180                 mid_init_cb->options = cpu_to_le16(BIT_1);
4181                 mid_init_cb->init_cb.execution_throttle =
4182                     cpu_to_le16(ha->cur_fw_xcb_count);
4183                 ha->flags.dport_enabled =
4184                     (mid_init_cb->init_cb.firmware_options_1 & BIT_7) != 0;
4185                 ql_dbg(ql_dbg_init, vha, 0x0191, "DPORT Support: %s.\n",
4186                     (ha->flags.dport_enabled) ? "enabled" : "disabled");
4187                 /* FA-WWPN Status */
4188                 ha->flags.fawwpn_enabled =
4189                     (mid_init_cb->init_cb.firmware_options_1 & BIT_6) != 0;
4190                 ql_dbg(ql_dbg_init, vha, 0x00bc, "FA-WWPN Support: %s.\n",
4191                     (ha->flags.fawwpn_enabled) ? "enabled" : "disabled");
4192         }
4193
4194         rval = qla2x00_init_firmware(vha, ha->init_cb_size);
4195 next_check:
4196         if (rval) {
4197                 ql_log(ql_log_fatal, vha, 0x00d2,
4198                     "Init Firmware **** FAILED ****.\n");
4199         } else {
4200                 ql_dbg(ql_dbg_init, vha, 0x00d3,
4201                     "Init Firmware -- success.\n");
4202                 QLA_FW_STARTED(ha);
4203                 vha->u_ql2xexchoffld = vha->u_ql2xiniexchg = 0;
4204         }
4205
4206         return (rval);
4207 }
4208
4209 /**
4210  * qla2x00_fw_ready() - Waits for firmware ready.
4211  * @vha: HA context
4212  *
4213  * Returns 0 on success.
4214  */
4215 static int
4216 qla2x00_fw_ready(scsi_qla_host_t *vha)
4217 {
4218         int             rval;
4219         unsigned long   wtime, mtime, cs84xx_time;
4220         uint16_t        min_wait;       /* Minimum wait time if loop is down */
4221         uint16_t        wait_time;      /* Wait time if loop is coming ready */
4222         uint16_t        state[6];
4223         struct qla_hw_data *ha = vha->hw;
4224
4225         if (IS_QLAFX00(vha->hw))
4226                 return qlafx00_fw_ready(vha);
4227
4228         rval = QLA_SUCCESS;
4229
4230         /* Time to wait for loop down */
4231         if (IS_P3P_TYPE(ha))
4232                 min_wait = 30;
4233         else
4234                 min_wait = 20;
4235
4236         /*
4237          * Firmware should take at most one RATOV to login, plus 5 seconds for
4238          * our own processing.
4239          */
4240         if ((wait_time = (ha->retry_count*ha->login_timeout) + 5) < min_wait) {
4241                 wait_time = min_wait;
4242         }
4243
4244         /* Min wait time if loop down */
4245         mtime = jiffies + (min_wait * HZ);
4246
4247         /* wait time before firmware ready */
4248         wtime = jiffies + (wait_time * HZ);
4249
4250         /* Wait for ISP to finish LIP */
4251         if (!vha->flags.init_done)
4252                 ql_log(ql_log_info, vha, 0x801e,
4253                     "Waiting for LIP to complete.\n");
4254
4255         do {
4256                 memset(state, -1, sizeof(state));
4257                 rval = qla2x00_get_firmware_state(vha, state);
4258                 if (rval == QLA_SUCCESS) {
4259                         if (state[0] < FSTATE_LOSS_OF_SYNC) {
4260                                 vha->device_flags &= ~DFLG_NO_CABLE;
4261                         }
4262                         if (IS_QLA84XX(ha) && state[0] != FSTATE_READY) {
4263                                 ql_dbg(ql_dbg_taskm, vha, 0x801f,
4264                                     "fw_state=%x 84xx=%x.\n", state[0],
4265                                     state[2]);
4266                                 if ((state[2] & FSTATE_LOGGED_IN) &&
4267                                      (state[2] & FSTATE_WAITING_FOR_VERIFY)) {
4268                                         ql_dbg(ql_dbg_taskm, vha, 0x8028,
4269                                             "Sending verify iocb.\n");
4270
4271                                         cs84xx_time = jiffies;
4272                                         rval = qla84xx_init_chip(vha);
4273                                         if (rval != QLA_SUCCESS) {
4274                                                 ql_log(ql_log_warn,
4275                                                     vha, 0x8007,
4276                                                     "Init chip failed.\n");
4277                                                 break;
4278                                         }
4279
4280                                         /* Add time taken to initialize. */
4281                                         cs84xx_time = jiffies - cs84xx_time;
4282                                         wtime += cs84xx_time;
4283                                         mtime += cs84xx_time;
4284                                         ql_dbg(ql_dbg_taskm, vha, 0x8008,
4285                                             "Increasing wait time by %ld. "
4286                                             "New time %ld.\n", cs84xx_time,
4287                                             wtime);
4288                                 }
4289                         } else if (state[0] == FSTATE_READY) {
4290                                 ql_dbg(ql_dbg_taskm, vha, 0x8037,
4291                                     "F/W Ready - OK.\n");
4292
4293                                 qla2x00_get_retry_cnt(vha, &ha->retry_count,
4294                                     &ha->login_timeout, &ha->r_a_tov);
4295
4296                                 rval = QLA_SUCCESS;
4297                                 break;
4298                         }
4299
4300                         rval = QLA_FUNCTION_FAILED;
4301
4302                         if (atomic_read(&vha->loop_down_timer) &&
4303                             state[0] != FSTATE_READY) {
4304                                 /* Loop down. Timeout on min_wait for states
4305                                  * other than Wait for Login.
4306                                  */
4307                                 if (time_after_eq(jiffies, mtime)) {
4308                                         ql_log(ql_log_info, vha, 0x8038,
4309                                             "Cable is unplugged...\n");
4310
4311                                         vha->device_flags |= DFLG_NO_CABLE;
4312                                         break;
4313                                 }
4314                         }
4315                 } else {
4316                         /* Mailbox cmd failed. Timeout on min_wait. */
4317                         if (time_after_eq(jiffies, mtime) ||
4318                                 ha->flags.isp82xx_fw_hung)
4319                                 break;
4320                 }
4321
4322                 if (time_after_eq(jiffies, wtime))
4323                         break;
4324
4325                 /* Delay for a while */
4326                 msleep(500);
4327         } while (1);
4328
4329         ql_dbg(ql_dbg_taskm, vha, 0x803a,
4330             "fw_state=%x (%x, %x, %x, %x %x) curr time=%lx.\n", state[0],
4331             state[1], state[2], state[3], state[4], state[5], jiffies);
4332
4333         if (rval && !(vha->device_flags & DFLG_NO_CABLE)) {
4334                 ql_log(ql_log_warn, vha, 0x803b,
4335                     "Firmware ready **** FAILED ****.\n");
4336         }
4337
4338         return (rval);
4339 }
4340
4341 /*
4342 *  qla2x00_configure_hba
4343 *      Setup adapter context.
4344 *
4345 * Input:
4346 *      ha = adapter state pointer.
4347 *
4348 * Returns:
4349 *      0 = success
4350 *
4351 * Context:
4352 *      Kernel context.
4353 */
4354 static int
4355 qla2x00_configure_hba(scsi_qla_host_t *vha)
4356 {
4357         int       rval;
4358         uint16_t      loop_id;
4359         uint16_t      topo;
4360         uint16_t      sw_cap;
4361         uint8_t       al_pa;
4362         uint8_t       area;
4363         uint8_t       domain;
4364         char            connect_type[22];
4365         struct qla_hw_data *ha = vha->hw;
4366         scsi_qla_host_t *base_vha = pci_get_drvdata(ha->pdev);
4367         port_id_t id;
4368         unsigned long flags;
4369
4370         /* Get host addresses. */
4371         rval = qla2x00_get_adapter_id(vha,
4372             &loop_id, &al_pa, &area, &domain, &topo, &sw_cap);
4373         if (rval != QLA_SUCCESS) {
4374                 if (LOOP_TRANSITION(vha) || atomic_read(&ha->loop_down_timer) ||
4375                     IS_CNA_CAPABLE(ha) ||
4376                     (rval == QLA_COMMAND_ERROR && loop_id == 0x7)) {
4377                         ql_dbg(ql_dbg_disc, vha, 0x2008,
4378                             "Loop is in a transition state.\n");
4379                 } else {
4380                         ql_log(ql_log_warn, vha, 0x2009,
4381                             "Unable to get host loop ID.\n");
4382                         if (IS_FWI2_CAPABLE(ha) && (vha == base_vha) &&
4383                             (rval == QLA_COMMAND_ERROR && loop_id == 0x1b)) {
4384                                 ql_log(ql_log_warn, vha, 0x1151,
4385                                     "Doing link init.\n");
4386                                 if (qla24xx_link_initialize(vha) == QLA_SUCCESS)
4387                                         return rval;
4388                         }
4389                         set_bit(ISP_ABORT_NEEDED, &vha->dpc_flags);
4390                 }
4391                 return (rval);
4392         }
4393
4394         if (topo == 4) {
4395                 ql_log(ql_log_info, vha, 0x200a,
4396                     "Cannot get topology - retrying.\n");
4397                 return (QLA_FUNCTION_FAILED);
4398         }
4399
4400         vha->loop_id = loop_id;
4401
4402         /* initialize */
4403         ha->min_external_loopid = SNS_FIRST_LOOP_ID;
4404         ha->operating_mode = LOOP;
4405         ha->switch_cap = 0;
4406
4407         switch (topo) {
4408         case 0:
4409                 ql_dbg(ql_dbg_disc, vha, 0x200b, "HBA in NL topology.\n");
4410                 ha->current_topology = ISP_CFG_NL;
4411                 strcpy(connect_type, "(Loop)");
4412                 break;
4413
4414         case 1:
4415                 ql_dbg(ql_dbg_disc, vha, 0x200c, "HBA in FL topology.\n");
4416                 ha->switch_cap = sw_cap;
4417                 ha->current_topology = ISP_CFG_FL;
4418                 strcpy(connect_type, "(FL_Port)");
4419                 break;
4420
4421         case 2:
4422                 ql_dbg(ql_dbg_disc, vha, 0x200d, "HBA in N P2P topology.\n");
4423                 ha->operating_mode = P2P;
4424                 ha->current_topology = ISP_CFG_N;
4425                 strcpy(connect_type, "(N_Port-to-N_Port)");
4426                 break;
4427
4428         case 3:
4429                 ql_dbg(ql_dbg_disc, vha, 0x200e, "HBA in F P2P topology.\n");
4430                 ha->switch_cap = sw_cap;
4431                 ha->operating_mode = P2P;
4432                 ha->current_topology = ISP_CFG_F;
4433                 strcpy(connect_type, "(F_Port)");
4434                 break;
4435
4436         default:
4437                 ql_dbg(ql_dbg_disc, vha, 0x200f,
4438                     "HBA in unknown topology %x, using NL.\n", topo);
4439                 ha->current_topology = ISP_CFG_NL;
4440                 strcpy(connect_type, "(Loop)");
4441                 break;
4442         }
4443
4444         /* Save Host port and loop ID. */
4445         /* byte order - Big Endian */
4446         id.b.domain = domain;
4447         id.b.area = area;
4448         id.b.al_pa = al_pa;
4449         id.b.rsvd_1 = 0;
4450         spin_lock_irqsave(&ha->hardware_lock, flags);
4451         if (!(topo == 2 && ha->flags.n2n_bigger))
4452                 qlt_update_host_map(vha, id);
4453         spin_unlock_irqrestore(&ha->hardware_lock, flags);
4454
4455         if (!vha->flags.init_done)
4456                 ql_log(ql_log_info, vha, 0x2010,
4457                     "Topology - %s, Host Loop address 0x%x.\n",
4458                     connect_type, vha->loop_id);
4459
4460         return(rval);
4461 }
4462
4463 inline void
4464 qla2x00_set_model_info(scsi_qla_host_t *vha, uint8_t *model, size_t len,
4465                        const char *def)
4466 {
4467         char *st, *en;
4468         uint16_t index;
4469         uint64_t zero[2] = { 0 };
4470         struct qla_hw_data *ha = vha->hw;
4471         int use_tbl = !IS_QLA24XX_TYPE(ha) && !IS_QLA25XX(ha) &&
4472             !IS_CNA_CAPABLE(ha) && !IS_QLA2031(ha);
4473
4474         if (len > sizeof(zero))
4475                 len = sizeof(zero);
4476         if (memcmp(model, &zero, len) != 0) {
4477                 memcpy(ha->model_number, model, len);
4478                 st = en = ha->model_number;
4479                 en += len - 1;
4480                 while (en > st) {
4481                         if (*en != 0x20 && *en != 0x00)
4482                                 break;
4483                         *en-- = '\0';
4484                 }
4485
4486                 index = (ha->pdev->subsystem_device & 0xff);
4487                 if (use_tbl &&
4488                     ha->pdev->subsystem_vendor == PCI_VENDOR_ID_QLOGIC &&
4489                     index < QLA_MODEL_NAMES)
4490                         strlcpy(ha->model_desc,
4491                             qla2x00_model_name[index * 2 + 1],
4492                             sizeof(ha->model_desc));
4493         } else {
4494                 index = (ha->pdev->subsystem_device & 0xff);
4495                 if (use_tbl &&
4496                     ha->pdev->subsystem_vendor == PCI_VENDOR_ID_QLOGIC &&
4497                     index < QLA_MODEL_NAMES) {
4498                         strlcpy(ha->model_number,
4499                                 qla2x00_model_name[index * 2],
4500                                 sizeof(ha->model_number));
4501                         strlcpy(ha->model_desc,
4502                             qla2x00_model_name[index * 2 + 1],
4503                             sizeof(ha->model_desc));
4504                 } else {
4505                         strlcpy(ha->model_number, def,
4506                                 sizeof(ha->model_number));
4507                 }
4508         }
4509         if (IS_FWI2_CAPABLE(ha))
4510                 qla2xxx_get_vpd_field(vha, "\x82", ha->model_desc,
4511                     sizeof(ha->model_desc));
4512 }
4513
4514 /* On sparc systems, obtain port and node WWN from firmware
4515  * properties.
4516  */
4517 static void qla2xxx_nvram_wwn_from_ofw(scsi_qla_host_t *vha, nvram_t *nv)
4518 {
4519 #ifdef CONFIG_SPARC
4520         struct qla_hw_data *ha = vha->hw;
4521         struct pci_dev *pdev = ha->pdev;
4522         struct device_node *dp = pci_device_to_OF_node(pdev);
4523         const u8 *val;
4524         int len;
4525
4526         val = of_get_property(dp, "port-wwn", &len);
4527         if (val && len >= WWN_SIZE)
4528                 memcpy(nv->port_name, val, WWN_SIZE);
4529
4530         val = of_get_property(dp, "node-wwn", &len);
4531         if (val && len >= WWN_SIZE)
4532                 memcpy(nv->node_name, val, WWN_SIZE);
4533 #endif
4534 }
4535
4536 /*
4537 * NVRAM configuration for ISP 2xxx
4538 *
4539 * Input:
4540 *      ha                = adapter block pointer.
4541 *
4542 * Output:
4543 *      initialization control block in response_ring
4544 *      host adapters parameters in host adapter block
4545 *
4546 * Returns:
4547 *      0 = success.
4548 */
4549 int
4550 qla2x00_nvram_config(scsi_qla_host_t *vha)
4551 {
4552         int             rval;
4553         uint8_t         chksum = 0;
4554         uint16_t        cnt;
4555         uint8_t         *dptr1, *dptr2;
4556         struct qla_hw_data *ha = vha->hw;
4557         init_cb_t       *icb = ha->init_cb;
4558         nvram_t         *nv = ha->nvram;
4559         uint8_t         *ptr = ha->nvram;
4560         struct device_reg_2xxx __iomem *reg = &ha->iobase->isp;
4561
4562         rval = QLA_SUCCESS;
4563
4564         /* Determine NVRAM starting address. */
4565         ha->nvram_size = sizeof(*nv);
4566         ha->nvram_base = 0;
4567         if (!IS_QLA2100(ha) && !IS_QLA2200(ha) && !IS_QLA2300(ha))
4568                 if ((RD_REG_WORD(&reg->ctrl_status) >> 14) == 1)
4569                         ha->nvram_base = 0x80;
4570
4571         /* Get NVRAM data and calculate checksum. */
4572         ha->isp_ops->read_nvram(vha, ptr, ha->nvram_base, ha->nvram_size);
4573         for (cnt = 0, chksum = 0; cnt < ha->nvram_size; cnt++)
4574                 chksum += *ptr++;
4575
4576         ql_dbg(ql_dbg_init + ql_dbg_buffer, vha, 0x010f,
4577             "Contents of NVRAM.\n");
4578         ql_dump_buffer(ql_dbg_init + ql_dbg_buffer, vha, 0x0110,
4579             nv, ha->nvram_size);
4580
4581         /* Bad NVRAM data, set defaults parameters. */
4582         if (chksum || memcmp("ISP ", nv->id, sizeof(nv->id)) ||
4583             nv->nvram_version < 1) {
4584                 /* Reset NVRAM data. */
4585                 ql_log(ql_log_warn, vha, 0x0064,
4586                     "Inconsistent NVRAM detected: checksum=%#x id=%.4s version=%#x.\n",
4587                     chksum, nv->id, nv->nvram_version);
4588                 ql_log(ql_log_warn, vha, 0x0065,
4589                     "Falling back to "
4590                     "functioning (yet invalid -- WWPN) defaults.\n");
4591
4592                 /*
4593                  * Set default initialization control block.
4594                  */
4595                 memset(nv, 0, ha->nvram_size);
4596                 nv->parameter_block_version = ICB_VERSION;
4597
4598                 if (IS_QLA23XX(ha)) {
4599                         nv->firmware_options[0] = BIT_2 | BIT_1;
4600                         nv->firmware_options[1] = BIT_7 | BIT_5;
4601                         nv->add_firmware_options[0] = BIT_5;
4602                         nv->add_firmware_options[1] = BIT_5 | BIT_4;
4603                         nv->frame_payload_size = 2048;
4604                         nv->special_options[1] = BIT_7;
4605                 } else if (IS_QLA2200(ha)) {
4606                         nv->firmware_options[0] = BIT_2 | BIT_1;
4607                         nv->firmware_options[1] = BIT_7 | BIT_5;
4608                         nv->add_firmware_options[0] = BIT_5;
4609                         nv->add_firmware_options[1] = BIT_5 | BIT_4;
4610                         nv->frame_payload_size = 1024;
4611                 } else if (IS_QLA2100(ha)) {
4612                         nv->firmware_options[0] = BIT_3 | BIT_1;
4613                         nv->firmware_options[1] = BIT_5;
4614                         nv->frame_payload_size = 1024;
4615                 }
4616
4617                 nv->max_iocb_allocation = cpu_to_le16(256);
4618                 nv->execution_throttle = cpu_to_le16(16);
4619                 nv->retry_count = 8;
4620                 nv->retry_delay = 1;
4621
4622                 nv->port_name[0] = 33;
4623                 nv->port_name[3] = 224;
4624                 nv->port_name[4] = 139;
4625
4626                 qla2xxx_nvram_wwn_from_ofw(vha, nv);
4627
4628                 nv->login_timeout = 4;
4629
4630                 /*
4631                  * Set default host adapter parameters
4632                  */
4633                 nv->host_p[1] = BIT_2;
4634                 nv->reset_delay = 5;
4635                 nv->port_down_retry_count = 8;
4636                 nv->max_luns_per_target = cpu_to_le16(8);
4637                 nv->link_down_timeout = 60;
4638
4639                 rval = 1;
4640         }
4641
4642         /* Reset Initialization control block */
4643         memset(icb, 0, ha->init_cb_size);
4644
4645         /*
4646          * Setup driver NVRAM options.
4647          */
4648         nv->firmware_options[0] |= (BIT_6 | BIT_1);
4649         nv->firmware_options[0] &= ~(BIT_5 | BIT_4);
4650         nv->firmware_options[1] |= (BIT_5 | BIT_0);
4651         nv->firmware_options[1] &= ~BIT_4;
4652
4653         if (IS_QLA23XX(ha)) {
4654                 nv->firmware_options[0] |= BIT_2;
4655                 nv->firmware_options[0] &= ~BIT_3;
4656                 nv->special_options[0] &= ~BIT_6;
4657                 nv->add_firmware_options[1] |= BIT_5 | BIT_4;
4658
4659                 if (IS_QLA2300(ha)) {
4660                         if (ha->fb_rev == FPM_2310) {
4661                                 strcpy(ha->model_number, "QLA2310");
4662                         } else {
4663                                 strcpy(ha->model_number, "QLA2300");
4664                         }
4665                 } else {
4666                         qla2x00_set_model_info(vha, nv->model_number,
4667                             sizeof(nv->model_number), "QLA23xx");
4668                 }
4669         } else if (IS_QLA2200(ha)) {
4670                 nv->firmware_options[0] |= BIT_2;
4671                 /*
4672                  * 'Point-to-point preferred, else loop' is not a safe
4673                  * connection mode setting.
4674                  */
4675                 if ((nv->add_firmware_options[0] & (BIT_6 | BIT_5 | BIT_4)) ==
4676                     (BIT_5 | BIT_4)) {
4677                         /* Force 'loop preferred, else point-to-point'. */
4678                         nv->add_firmware_options[0] &= ~(BIT_6 | BIT_5 | BIT_4);
4679                         nv->add_firmware_options[0] |= BIT_5;
4680                 }
4681                 strcpy(ha->model_number, "QLA22xx");
4682         } else /*if (IS_QLA2100(ha))*/ {
4683                 strcpy(ha->model_number, "QLA2100");
4684         }
4685
4686         /*
4687          * Copy over NVRAM RISC parameter block to initialization control block.
4688          */
4689         dptr1 = (uint8_t *)icb;
4690         dptr2 = (uint8_t *)&nv->parameter_block_version;
4691         cnt = (uint8_t *)&icb->request_q_outpointer - (uint8_t *)&icb->version;
4692         while (cnt--)
4693                 *dptr1++ = *dptr2++;
4694
4695         /* Copy 2nd half. */
4696         dptr1 = (uint8_t *)icb->add_firmware_options;
4697         cnt = (uint8_t *)icb->reserved_3 - (uint8_t *)icb->add_firmware_options;
4698         while (cnt--)
4699                 *dptr1++ = *dptr2++;
4700         ha->frame_payload_size = le16_to_cpu(icb->frame_payload_size);
4701         /* Use alternate WWN? */
4702         if (nv->host_p[1] & BIT_7) {
4703                 memcpy(icb->node_name, nv->alternate_node_name, WWN_SIZE);
4704                 memcpy(icb->port_name, nv->alternate_port_name, WWN_SIZE);
4705         }
4706
4707         /* Prepare nodename */
4708         if ((icb->firmware_options[1] & BIT_6) == 0) {
4709                 /*
4710                  * Firmware will apply the following mask if the nodename was
4711                  * not provided.
4712                  */
4713                 memcpy(icb->node_name, icb->port_name, WWN_SIZE);
4714                 icb->node_name[0] &= 0xF0;
4715         }
4716
4717         /*
4718          * Set host adapter parameters.
4719          */
4720
4721         /*
4722          * BIT_7 in the host-parameters section allows for modification to
4723          * internal driver logging.
4724          */
4725         if (nv->host_p[0] & BIT_7)
4726                 ql2xextended_error_logging = QL_DBG_DEFAULT1_MASK;
4727         ha->flags.disable_risc_code_load = ((nv->host_p[0] & BIT_4) ? 1 : 0);
4728         /* Always load RISC code on non ISP2[12]00 chips. */
4729         if (!IS_QLA2100(ha) && !IS_QLA2200(ha))
4730                 ha->flags.disable_risc_code_load = 0;
4731         ha->flags.enable_lip_reset = ((nv->host_p[1] & BIT_1) ? 1 : 0);
4732         ha->flags.enable_lip_full_login = ((nv->host_p[1] & BIT_2) ? 1 : 0);
4733         ha->flags.enable_target_reset = ((nv->host_p[1] & BIT_3) ? 1 : 0);
4734         ha->flags.enable_led_scheme = (nv->special_options[1] & BIT_4) ? 1 : 0;
4735         ha->flags.disable_serdes = 0;
4736
4737         ha->operating_mode =
4738             (icb->add_firmware_options[0] & (BIT_6 | BIT_5 | BIT_4)) >> 4;
4739
4740         memcpy(ha->fw_seriallink_options, nv->seriallink_options,
4741             sizeof(ha->fw_seriallink_options));
4742
4743         /* save HBA serial number */
4744         ha->serial0 = icb->port_name[5];
4745         ha->serial1 = icb->port_name[6];
4746         ha->serial2 = icb->port_name[7];
4747         memcpy(vha->node_name, icb->node_name, WWN_SIZE);
4748         memcpy(vha->port_name, icb->port_name, WWN_SIZE);
4749
4750         icb->execution_throttle = cpu_to_le16(0xFFFF);
4751
4752         ha->retry_count = nv->retry_count;
4753
4754         /* Set minimum login_timeout to 4 seconds. */
4755         if (nv->login_timeout != ql2xlogintimeout)
4756                 nv->login_timeout = ql2xlogintimeout;
4757         if (nv->login_timeout < 4)
4758                 nv->login_timeout = 4;
4759         ha->login_timeout = nv->login_timeout;
4760
4761         /* Set minimum RATOV to 100 tenths of a second. */
4762         ha->r_a_tov = 100;
4763
4764         ha->loop_reset_delay = nv->reset_delay;
4765
4766         /* Link Down Timeout = 0:
4767          *
4768          *      When Port Down timer expires we will start returning
4769          *      I/O's to OS with "DID_NO_CONNECT".
4770          *
4771          * Link Down Timeout != 0:
4772          *
4773          *       The driver waits for the link to come up after link down
4774          *       before returning I/Os to OS with "DID_NO_CONNECT".
4775          */
4776         if (nv->link_down_timeout == 0) {
4777                 ha->loop_down_abort_time =
4778                     (LOOP_DOWN_TIME - LOOP_DOWN_TIMEOUT);
4779         } else {
4780                 ha->link_down_timeout =  nv->link_down_timeout;
4781                 ha->loop_down_abort_time =
4782                     (LOOP_DOWN_TIME - ha->link_down_timeout);
4783         }
4784
4785         /*
4786          * Need enough time to try and get the port back.
4787          */
4788         ha->port_down_retry_count = nv->port_down_retry_count;
4789         if (qlport_down_retry)
4790                 ha->port_down_retry_count = qlport_down_retry;
4791         /* Set login_retry_count */
4792         ha->login_retry_count  = nv->retry_count;
4793         if (ha->port_down_retry_count == nv->port_down_retry_count &&
4794             ha->port_down_retry_count > 3)
4795                 ha->login_retry_count = ha->port_down_retry_count;
4796         else if (ha->port_down_retry_count > (int)ha->login_retry_count)
4797                 ha->login_retry_count = ha->port_down_retry_count;
4798         if (ql2xloginretrycount)
4799                 ha->login_retry_count = ql2xloginretrycount;
4800
4801         icb->lun_enables = cpu_to_le16(0);
4802         icb->command_resource_count = 0;
4803         icb->immediate_notify_resource_count = 0;
4804         icb->timeout = cpu_to_le16(0);
4805
4806         if (IS_QLA2100(ha) || IS_QLA2200(ha)) {
4807                 /* Enable RIO */
4808                 icb->firmware_options[0] &= ~BIT_3;
4809                 icb->add_firmware_options[0] &=
4810                     ~(BIT_3 | BIT_2 | BIT_1 | BIT_0);
4811                 icb->add_firmware_options[0] |= BIT_2;
4812                 icb->response_accumulation_timer = 3;
4813                 icb->interrupt_delay_timer = 5;
4814
4815                 vha->flags.process_response_queue = 1;
4816         } else {
4817                 /* Enable ZIO. */
4818                 if (!vha->flags.init_done) {
4819                         ha->zio_mode = icb->add_firmware_options[0] &
4820                             (BIT_3 | BIT_2 | BIT_1 | BIT_0);
4821                         ha->zio_timer = icb->interrupt_delay_timer ?
4822                             icb->interrupt_delay_timer : 2;
4823                 }
4824                 icb->add_firmware_options[0] &=
4825                     ~(BIT_3 | BIT_2 | BIT_1 | BIT_0);
4826                 vha->flags.process_response_queue = 0;
4827                 if (ha->zio_mode != QLA_ZIO_DISABLED) {
4828                         ha->zio_mode = QLA_ZIO_MODE_6;
4829
4830                         ql_log(ql_log_info, vha, 0x0068,
4831                             "ZIO mode %d enabled; timer delay (%d us).\n",
4832                             ha->zio_mode, ha->zio_timer * 100);
4833
4834                         icb->add_firmware_options[0] |= (uint8_t)ha->zio_mode;
4835                         icb->interrupt_delay_timer = (uint8_t)ha->zio_timer;
4836                         vha->flags.process_response_queue = 1;
4837                 }
4838         }
4839
4840         if (rval) {
4841                 ql_log(ql_log_warn, vha, 0x0069,
4842                     "NVRAM configuration failed.\n");
4843         }
4844         return (rval);
4845 }
4846
4847 static void
4848 qla2x00_rport_del(void *data)
4849 {
4850         fc_port_t *fcport = data;
4851         struct fc_rport *rport;
4852         unsigned long flags;
4853
4854         spin_lock_irqsave(fcport->vha->host->host_lock, flags);
4855         rport = fcport->drport ? fcport->drport : fcport->rport;
4856         fcport->drport = NULL;
4857         spin_unlock_irqrestore(fcport->vha->host->host_lock, flags);
4858         if (rport) {
4859                 ql_dbg(ql_dbg_disc, fcport->vha, 0x210b,
4860                     "%s %8phN. rport %p roles %x\n",
4861                     __func__, fcport->port_name, rport,
4862                     rport->roles);
4863
4864                 fc_remote_port_delete(rport);
4865         }
4866 }
4867
4868 void qla2x00_set_fcport_state(fc_port_t *fcport, int state)
4869 {
4870         int old_state;
4871
4872         old_state = atomic_read(&fcport->state);
4873         atomic_set(&fcport->state, state);
4874
4875         /* Don't print state transitions during initial allocation of fcport */
4876         if (old_state && old_state != state) {
4877                 ql_dbg(ql_dbg_disc, fcport->vha, 0x207d,
4878                        "FCPort %8phC state transitioned from %s to %s - portid=%02x%02x%02x.\n",
4879                        fcport->port_name, port_state_str[old_state],
4880                        port_state_str[state], fcport->d_id.b.domain,
4881                        fcport->d_id.b.area, fcport->d_id.b.al_pa);
4882         }
4883 }
4884
4885 /**
4886  * qla2x00_alloc_fcport() - Allocate a generic fcport.
4887  * @vha: HA context
4888  * @flags: allocation flags
4889  *
4890  * Returns a pointer to the allocated fcport, or NULL, if none available.
4891  */
4892 fc_port_t *
4893 qla2x00_alloc_fcport(scsi_qla_host_t *vha, gfp_t flags)
4894 {
4895         fc_port_t *fcport;
4896
4897         fcport = kzalloc(sizeof(fc_port_t), flags);
4898         if (!fcport)
4899                 return NULL;
4900
4901         fcport->ct_desc.ct_sns = dma_alloc_coherent(&vha->hw->pdev->dev,
4902                 sizeof(struct ct_sns_pkt), &fcport->ct_desc.ct_sns_dma,
4903                 flags);
4904         if (!fcport->ct_desc.ct_sns) {
4905                 ql_log(ql_log_warn, vha, 0xd049,
4906                     "Failed to allocate ct_sns request.\n");
4907                 kfree(fcport);
4908                 return NULL;
4909         }
4910
4911         /* Setup fcport template structure. */
4912         fcport->vha = vha;
4913         fcport->port_type = FCT_UNKNOWN;
4914         fcport->loop_id = FC_NO_LOOP_ID;
4915         qla2x00_set_fcport_state(fcport, FCS_UNCONFIGURED);
4916         fcport->supported_classes = FC_COS_UNSPECIFIED;
4917         fcport->fp_speed = PORT_SPEED_UNKNOWN;
4918
4919         fcport->disc_state = DSC_DELETED;
4920         fcport->fw_login_state = DSC_LS_PORT_UNAVAIL;
4921         fcport->deleted = QLA_SESS_DELETED;
4922         fcport->login_retry = vha->hw->login_retry_count;
4923         fcport->chip_reset = vha->hw->base_qpair->chip_reset;
4924         fcport->logout_on_delete = 1;
4925
4926         if (!fcport->ct_desc.ct_sns) {
4927                 ql_log(ql_log_warn, vha, 0xd049,
4928                     "Failed to allocate ct_sns request.\n");
4929                 kfree(fcport);
4930                 return NULL;
4931         }
4932
4933         INIT_WORK(&fcport->del_work, qla24xx_delete_sess_fn);
4934         INIT_WORK(&fcport->free_work, qlt_free_session_done);
4935         INIT_WORK(&fcport->reg_work, qla_register_fcport_fn);
4936         INIT_LIST_HEAD(&fcport->gnl_entry);
4937         INIT_LIST_HEAD(&fcport->list);
4938
4939         return fcport;
4940 }
4941
4942 void
4943 qla2x00_free_fcport(fc_port_t *fcport)
4944 {
4945         if (fcport->ct_desc.ct_sns) {
4946                 dma_free_coherent(&fcport->vha->hw->pdev->dev,
4947                         sizeof(struct ct_sns_pkt), fcport->ct_desc.ct_sns,
4948                         fcport->ct_desc.ct_sns_dma);
4949
4950                 fcport->ct_desc.ct_sns = NULL;
4951         }
4952         list_del(&fcport->list);
4953         qla2x00_clear_loop_id(fcport);
4954         kfree(fcport);
4955 }
4956
4957 /*
4958  * qla2x00_configure_loop
4959  *      Updates Fibre Channel Device Database with what is actually on loop.
4960  *
4961  * Input:
4962  *      ha                = adapter block pointer.
4963  *
4964  * Returns:
4965  *      0 = success.
4966  *      1 = error.
4967  *      2 = database was full and device was not configured.
4968  */
4969 static int
4970 qla2x00_configure_loop(scsi_qla_host_t *vha)
4971 {
4972         int  rval;
4973         unsigned long flags, save_flags;
4974         struct qla_hw_data *ha = vha->hw;
4975
4976         rval = QLA_SUCCESS;
4977
4978         /* Get Initiator ID */
4979         if (test_bit(LOCAL_LOOP_UPDATE, &vha->dpc_flags)) {
4980                 rval = qla2x00_configure_hba(vha);
4981                 if (rval != QLA_SUCCESS) {
4982                         ql_dbg(ql_dbg_disc, vha, 0x2013,
4983                             "Unable to configure HBA.\n");
4984                         return (rval);
4985                 }
4986         }
4987
4988         save_flags = flags = vha->dpc_flags;
4989         ql_dbg(ql_dbg_disc, vha, 0x2014,
4990             "Configure loop -- dpc flags = 0x%lx.\n", flags);
4991
4992         /*
4993          * If we have both an RSCN and PORT UPDATE pending then handle them
4994          * both at the same time.
4995          */
4996         clear_bit(LOCAL_LOOP_UPDATE, &vha->dpc_flags);
4997         clear_bit(RSCN_UPDATE, &vha->dpc_flags);
4998
4999         qla2x00_get_data_rate(vha);
5000
5001         /* Determine what we need to do */
5002         if ((ha->current_topology == ISP_CFG_FL ||
5003             ha->current_topology == ISP_CFG_F) &&
5004             (test_bit(LOCAL_LOOP_UPDATE, &flags))) {
5005
5006                 set_bit(RSCN_UPDATE, &flags);
5007                 clear_bit(LOCAL_LOOP_UPDATE, &flags);
5008
5009         } else if (ha->current_topology == ISP_CFG_NL ||
5010                    ha->current_topology == ISP_CFG_N) {
5011                 clear_bit(RSCN_UPDATE, &flags);
5012                 set_bit(LOCAL_LOOP_UPDATE, &flags);
5013         } else if (!vha->flags.online ||
5014             (test_bit(ABORT_ISP_ACTIVE, &flags))) {
5015                 set_bit(RSCN_UPDATE, &flags);
5016                 set_bit(LOCAL_LOOP_UPDATE, &flags);
5017         }
5018
5019         if (test_bit(LOCAL_LOOP_UPDATE, &flags)) {
5020                 if (test_bit(LOOP_RESYNC_NEEDED, &vha->dpc_flags)) {
5021                         ql_dbg(ql_dbg_disc, vha, 0x2015,
5022                             "Loop resync needed, failing.\n");
5023                         rval = QLA_FUNCTION_FAILED;
5024                 } else
5025                         rval = qla2x00_configure_local_loop(vha);
5026         }
5027
5028         if (rval == QLA_SUCCESS && test_bit(RSCN_UPDATE, &flags)) {
5029                 if (LOOP_TRANSITION(vha)) {
5030                         ql_dbg(ql_dbg_disc, vha, 0x2099,
5031                             "Needs RSCN update and loop transition.\n");
5032                         rval = QLA_FUNCTION_FAILED;
5033                 }
5034                 else
5035                         rval = qla2x00_configure_fabric(vha);
5036         }
5037
5038         if (rval == QLA_SUCCESS) {
5039                 if (atomic_read(&vha->loop_down_timer) ||
5040                     test_bit(LOOP_RESYNC_NEEDED, &vha->dpc_flags)) {
5041                         rval = QLA_FUNCTION_FAILED;
5042                 } else {
5043                         atomic_set(&vha->loop_state, LOOP_READY);
5044                         ql_dbg(ql_dbg_disc, vha, 0x2069,
5045                             "LOOP READY.\n");
5046                         ha->flags.fw_init_done = 1;
5047
5048                         /*
5049                          * Process any ATIO queue entries that came in
5050                          * while we weren't online.
5051                          */
5052                         if (qla_tgt_mode_enabled(vha) ||
5053                             qla_dual_mode_enabled(vha)) {
5054                                 spin_lock_irqsave(&ha->tgt.atio_lock, flags);
5055                                 qlt_24xx_process_atio_queue(vha, 0);
5056                                 spin_unlock_irqrestore(&ha->tgt.atio_lock,
5057                                     flags);
5058                         }
5059                 }
5060         }
5061
5062         if (rval) {
5063                 ql_dbg(ql_dbg_disc, vha, 0x206a,
5064                     "%s *** FAILED ***.\n", __func__);
5065         } else {
5066                 ql_dbg(ql_dbg_disc, vha, 0x206b,
5067                     "%s: exiting normally.\n", __func__);
5068         }
5069
5070         /* Restore state if a resync event occurred during processing */
5071         if (test_bit(LOOP_RESYNC_NEEDED, &vha->dpc_flags)) {
5072                 if (test_bit(LOCAL_LOOP_UPDATE, &save_flags))
5073                         set_bit(LOCAL_LOOP_UPDATE, &vha->dpc_flags);
5074                 if (test_bit(RSCN_UPDATE, &save_flags)) {
5075                         set_bit(RSCN_UPDATE, &vha->dpc_flags);
5076                 }
5077         }
5078
5079         return (rval);
5080 }
5081
5082 /*
5083  * qla2x00_configure_local_loop
5084  *      Updates Fibre Channel Device Database with local loop devices.
5085  *
5086  * Input:
5087  *      ha = adapter block pointer.
5088  *
5089  * Returns:
5090  *      0 = success.
5091  */
5092 static int
5093 qla2x00_configure_local_loop(scsi_qla_host_t *vha)
5094 {
5095         int             rval, rval2;
5096         int             found_devs;
5097         int             found;
5098         fc_port_t       *fcport, *new_fcport;
5099
5100         uint16_t        index;
5101         uint16_t        entries;
5102         struct gid_list_info *gid;
5103         uint16_t        loop_id;
5104         uint8_t         domain, area, al_pa;
5105         struct qla_hw_data *ha = vha->hw;
5106         unsigned long flags;
5107
5108         /* Inititae N2N login. */
5109         if (N2N_TOPO(ha)) {
5110                 if (test_and_clear_bit(N2N_LOGIN_NEEDED, &vha->dpc_flags)) {
5111                         /* borrowing */
5112                         u32 *bp, sz;
5113
5114                         memset(ha->init_cb, 0, ha->init_cb_size);
5115                         sz = min_t(int, sizeof(struct els_plogi_payload),
5116                             ha->init_cb_size);
5117                         rval = qla24xx_get_port_login_templ(vha,
5118                             ha->init_cb_dma, (void *)ha->init_cb, sz);
5119                         if (rval == QLA_SUCCESS) {
5120                                 __be32 *q = &ha->plogi_els_payld.data[0];
5121
5122                                 bp = (uint32_t *)ha->init_cb;
5123                                 cpu_to_be32_array(q, bp, sz / 4);
5124
5125                                 memcpy(bp, q, sizeof(ha->plogi_els_payld.data));
5126                         } else {
5127                                 ql_dbg(ql_dbg_init, vha, 0x00d1,
5128                                     "PLOGI ELS param read fail.\n");
5129                                 goto skip_login;
5130                         }
5131                 }
5132
5133                 list_for_each_entry(fcport, &vha->vp_fcports, list) {
5134                         if (fcport->n2n_flag) {
5135                                 qla24xx_fcport_handle_login(vha, fcport);
5136                                 return QLA_SUCCESS;
5137                         }
5138                 }
5139 skip_login:
5140                 spin_lock_irqsave(&vha->work_lock, flags);
5141                 vha->scan.scan_retry++;
5142                 spin_unlock_irqrestore(&vha->work_lock, flags);
5143
5144                 if (vha->scan.scan_retry < MAX_SCAN_RETRIES) {
5145                         set_bit(LOCAL_LOOP_UPDATE, &vha->dpc_flags);
5146                         set_bit(LOOP_RESYNC_NEEDED, &vha->dpc_flags);
5147                 }
5148                 return QLA_FUNCTION_FAILED;
5149         }
5150
5151         found_devs = 0;
5152         new_fcport = NULL;
5153         entries = MAX_FIBRE_DEVICES_LOOP;
5154
5155         /* Get list of logged in devices. */
5156         memset(ha->gid_list, 0, qla2x00_gid_list_size(ha));
5157         rval = qla2x00_get_id_list(vha, ha->gid_list, ha->gid_list_dma,
5158             &entries);
5159         if (rval != QLA_SUCCESS)
5160                 goto err;
5161
5162         ql_dbg(ql_dbg_disc, vha, 0x2011,
5163             "Entries in ID list (%d).\n", entries);
5164         ql_dump_buffer(ql_dbg_disc + ql_dbg_buffer, vha, 0x2075,
5165             ha->gid_list, entries * sizeof(*ha->gid_list));
5166
5167         if (entries == 0) {
5168                 spin_lock_irqsave(&vha->work_lock, flags);
5169                 vha->scan.scan_retry++;
5170                 spin_unlock_irqrestore(&vha->work_lock, flags);
5171
5172                 if (vha->scan.scan_retry < MAX_SCAN_RETRIES) {
5173                         set_bit(LOCAL_LOOP_UPDATE, &vha->dpc_flags);
5174                         set_bit(LOOP_RESYNC_NEEDED, &vha->dpc_flags);
5175                 }
5176         } else {
5177                 vha->scan.scan_retry = 0;
5178         }
5179
5180         list_for_each_entry(fcport, &vha->vp_fcports, list) {
5181                 fcport->scan_state = QLA_FCPORT_SCAN;
5182         }
5183
5184         /* Allocate temporary fcport for any new fcports discovered. */
5185         new_fcport = qla2x00_alloc_fcport(vha, GFP_KERNEL);
5186         if (new_fcport == NULL) {
5187                 ql_log(ql_log_warn, vha, 0x2012,
5188                     "Memory allocation failed for fcport.\n");
5189                 rval = QLA_MEMORY_ALLOC_FAILED;
5190                 goto err;
5191         }
5192         new_fcport->flags &= ~FCF_FABRIC_DEVICE;
5193
5194         /* Add devices to port list. */
5195         gid = ha->gid_list;
5196         for (index = 0; index < entries; index++) {
5197                 domain = gid->domain;
5198                 area = gid->area;
5199                 al_pa = gid->al_pa;
5200                 if (IS_QLA2100(ha) || IS_QLA2200(ha))
5201                         loop_id = gid->loop_id_2100;
5202                 else
5203                         loop_id = le16_to_cpu(gid->loop_id);
5204                 gid = (void *)gid + ha->gid_list_info_size;
5205
5206                 /* Bypass reserved domain fields. */
5207                 if ((domain & 0xf0) == 0xf0)
5208                         continue;
5209
5210                 /* Bypass if not same domain and area of adapter. */
5211                 if (area && domain && ((area != vha->d_id.b.area) ||
5212                     (domain != vha->d_id.b.domain)) &&
5213                     (ha->current_topology == ISP_CFG_NL))
5214                         continue;
5215
5216
5217                 /* Bypass invalid local loop ID. */
5218                 if (loop_id > LAST_LOCAL_LOOP_ID)
5219                         continue;
5220
5221                 memset(new_fcport->port_name, 0, WWN_SIZE);
5222
5223                 /* Fill in member data. */
5224                 new_fcport->d_id.b.domain = domain;
5225                 new_fcport->d_id.b.area = area;
5226                 new_fcport->d_id.b.al_pa = al_pa;
5227                 new_fcport->loop_id = loop_id;
5228                 new_fcport->scan_state = QLA_FCPORT_FOUND;
5229
5230                 rval2 = qla2x00_get_port_database(vha, new_fcport, 0);
5231                 if (rval2 != QLA_SUCCESS) {
5232                         ql_dbg(ql_dbg_disc, vha, 0x2097,
5233                             "Failed to retrieve fcport information "
5234                             "-- get_port_database=%x, loop_id=0x%04x.\n",
5235                             rval2, new_fcport->loop_id);
5236                         /* Skip retry if N2N */
5237                         if (ha->current_topology != ISP_CFG_N) {
5238                                 ql_dbg(ql_dbg_disc, vha, 0x2105,
5239                                     "Scheduling resync.\n");
5240                                 set_bit(LOOP_RESYNC_NEEDED, &vha->dpc_flags);
5241                                 continue;
5242                         }
5243                 }
5244
5245                 spin_lock_irqsave(&vha->hw->tgt.sess_lock, flags);
5246                 /* Check for matching device in port list. */
5247                 found = 0;
5248                 fcport = NULL;
5249                 list_for_each_entry(fcport, &vha->vp_fcports, list) {
5250                         if (memcmp(new_fcport->port_name, fcport->port_name,
5251                             WWN_SIZE))
5252                                 continue;
5253
5254                         fcport->flags &= ~FCF_FABRIC_DEVICE;
5255                         fcport->loop_id = new_fcport->loop_id;
5256                         fcport->port_type = new_fcport->port_type;
5257                         fcport->d_id.b24 = new_fcport->d_id.b24;
5258                         memcpy(fcport->node_name, new_fcport->node_name,
5259                             WWN_SIZE);
5260                         fcport->scan_state = QLA_FCPORT_FOUND;
5261                         found++;
5262                         break;
5263                 }
5264
5265                 if (!found) {
5266                         /* New device, add to fcports list. */
5267                         list_add_tail(&new_fcport->list, &vha->vp_fcports);
5268
5269                         /* Allocate a new replacement fcport. */
5270                         fcport = new_fcport;
5271
5272                         spin_unlock_irqrestore(&vha->hw->tgt.sess_lock, flags);
5273
5274                         new_fcport = qla2x00_alloc_fcport(vha, GFP_KERNEL);
5275
5276                         if (new_fcport == NULL) {
5277                                 ql_log(ql_log_warn, vha, 0xd031,
5278                                     "Failed to allocate memory for fcport.\n");
5279                                 rval = QLA_MEMORY_ALLOC_FAILED;
5280                                 goto err;
5281                         }
5282                         spin_lock_irqsave(&vha->hw->tgt.sess_lock, flags);
5283                         new_fcport->flags &= ~FCF_FABRIC_DEVICE;
5284                 }
5285
5286                 spin_unlock_irqrestore(&vha->hw->tgt.sess_lock, flags);
5287
5288                 /* Base iIDMA settings on HBA port speed. */
5289                 fcport->fp_speed = ha->link_data_rate;
5290
5291                 found_devs++;
5292         }
5293
5294         list_for_each_entry(fcport, &vha->vp_fcports, list) {
5295                 if (test_bit(LOOP_RESYNC_NEEDED, &vha->dpc_flags))
5296                         break;
5297
5298                 if (fcport->scan_state == QLA_FCPORT_SCAN) {
5299                         if ((qla_dual_mode_enabled(vha) ||
5300                             qla_ini_mode_enabled(vha)) &&
5301                             atomic_read(&fcport->state) == FCS_ONLINE) {
5302                                 qla2x00_mark_device_lost(vha, fcport,
5303                                         ql2xplogiabsentdevice);
5304                                 if (fcport->loop_id != FC_NO_LOOP_ID &&
5305                                     (fcport->flags & FCF_FCP2_DEVICE) == 0 &&
5306                                     fcport->port_type != FCT_INITIATOR &&
5307                                     fcport->port_type != FCT_BROADCAST) {
5308                                         ql_dbg(ql_dbg_disc, vha, 0x20f0,
5309                                             "%s %d %8phC post del sess\n",
5310                                             __func__, __LINE__,
5311                                             fcport->port_name);
5312
5313                                         qlt_schedule_sess_for_deletion(fcport);
5314                                         continue;
5315                                 }
5316                         }
5317                 }
5318
5319                 if (fcport->scan_state == QLA_FCPORT_FOUND)
5320                         qla24xx_fcport_handle_login(vha, fcport);
5321         }
5322
5323         qla2x00_free_fcport(new_fcport);
5324
5325         return rval;
5326
5327 err:
5328         ql_dbg(ql_dbg_disc, vha, 0x2098,
5329                "Configure local loop error exit: rval=%x.\n", rval);
5330         return rval;
5331 }
5332
5333 static void
5334 qla2x00_iidma_fcport(scsi_qla_host_t *vha, fc_port_t *fcport)
5335 {
5336         int rval;
5337         uint16_t mb[MAILBOX_REGISTER_COUNT];
5338         struct qla_hw_data *ha = vha->hw;
5339
5340         if (!IS_IIDMA_CAPABLE(ha))
5341                 return;
5342
5343         if (atomic_read(&fcport->state) != FCS_ONLINE)
5344                 return;
5345
5346         if (fcport->fp_speed == PORT_SPEED_UNKNOWN ||
5347             fcport->fp_speed > ha->link_data_rate ||
5348             !ha->flags.gpsc_supported)
5349                 return;
5350
5351         rval = qla2x00_set_idma_speed(vha, fcport->loop_id, fcport->fp_speed,
5352             mb);
5353         if (rval != QLA_SUCCESS) {
5354                 ql_dbg(ql_dbg_disc, vha, 0x2004,
5355                     "Unable to adjust iIDMA %8phN -- %04x %x %04x %04x.\n",
5356                     fcport->port_name, rval, fcport->fp_speed, mb[0], mb[1]);
5357         } else {
5358                 ql_dbg(ql_dbg_disc, vha, 0x2005,
5359                     "iIDMA adjusted to %s GB/s (%X) on %8phN.\n",
5360                     qla2x00_get_link_speed_str(ha, fcport->fp_speed),
5361                     fcport->fp_speed, fcport->port_name);
5362         }
5363 }
5364
5365 void qla_do_iidma_work(struct scsi_qla_host *vha, fc_port_t *fcport)
5366 {
5367         qla2x00_iidma_fcport(vha, fcport);
5368         qla24xx_update_fcport_fcp_prio(vha, fcport);
5369 }
5370
5371 int qla_post_iidma_work(struct scsi_qla_host *vha, fc_port_t *fcport)
5372 {
5373         struct qla_work_evt *e;
5374
5375         e = qla2x00_alloc_work(vha, QLA_EVT_IIDMA);
5376         if (!e)
5377                 return QLA_FUNCTION_FAILED;
5378
5379         e->u.fcport.fcport = fcport;
5380         return qla2x00_post_work(vha, e);
5381 }
5382
5383 /* qla2x00_reg_remote_port is reserved for Initiator Mode only.*/
5384 static void
5385 qla2x00_reg_remote_port(scsi_qla_host_t *vha, fc_port_t *fcport)
5386 {
5387         struct fc_rport_identifiers rport_ids;
5388         struct fc_rport *rport;
5389         unsigned long flags;
5390
5391         if (atomic_read(&fcport->state) == FCS_ONLINE)
5392                 return;
5393
5394         rport_ids.node_name = wwn_to_u64(fcport->node_name);
5395         rport_ids.port_name = wwn_to_u64(fcport->port_name);
5396         rport_ids.port_id = fcport->d_id.b.domain << 16 |
5397             fcport->d_id.b.area << 8 | fcport->d_id.b.al_pa;
5398         rport_ids.roles = FC_RPORT_ROLE_UNKNOWN;
5399         fcport->rport = rport = fc_remote_port_add(vha->host, 0, &rport_ids);
5400         if (!rport) {
5401                 ql_log(ql_log_warn, vha, 0x2006,
5402                     "Unable to allocate fc remote port.\n");
5403                 return;
5404         }
5405
5406         spin_lock_irqsave(fcport->vha->host->host_lock, flags);
5407         *((fc_port_t **)rport->dd_data) = fcport;
5408         spin_unlock_irqrestore(fcport->vha->host->host_lock, flags);
5409
5410         rport->supported_classes = fcport->supported_classes;
5411
5412         rport_ids.roles = FC_PORT_ROLE_UNKNOWN;
5413         if (fcport->port_type == FCT_INITIATOR)
5414                 rport_ids.roles |= FC_PORT_ROLE_FCP_INITIATOR;
5415         if (fcport->port_type == FCT_TARGET)
5416                 rport_ids.roles |= FC_PORT_ROLE_FCP_TARGET;
5417         if (fcport->port_type & FCT_NVME_INITIATOR)
5418                 rport_ids.roles |= FC_PORT_ROLE_NVME_INITIATOR;
5419         if (fcport->port_type & FCT_NVME_TARGET)
5420                 rport_ids.roles |= FC_PORT_ROLE_NVME_TARGET;
5421         if (fcport->port_type & FCT_NVME_DISCOVERY)
5422                 rport_ids.roles |= FC_PORT_ROLE_NVME_DISCOVERY;
5423
5424         ql_dbg(ql_dbg_disc, vha, 0x20ee,
5425             "%s %8phN. rport %p is %s mode\n",
5426             __func__, fcport->port_name, rport,
5427             (fcport->port_type == FCT_TARGET) ? "tgt" :
5428             ((fcport->port_type & FCT_NVME) ? "nvme" : "ini"));
5429
5430         fc_remote_port_rolechg(rport, rport_ids.roles);
5431 }
5432
5433 /*
5434  * qla2x00_update_fcport
5435  *      Updates device on list.
5436  *
5437  * Input:
5438  *      ha = adapter block pointer.
5439  *      fcport = port structure pointer.
5440  *
5441  * Return:
5442  *      0  - Success
5443  *  BIT_0 - error
5444  *
5445  * Context:
5446  *      Kernel context.
5447  */
5448 void
5449 qla2x00_update_fcport(scsi_qla_host_t *vha, fc_port_t *fcport)
5450 {
5451         if (IS_SW_RESV_ADDR(fcport->d_id))
5452                 return;
5453
5454         ql_dbg(ql_dbg_disc, vha, 0x20ef, "%s %8phC\n",
5455             __func__, fcport->port_name);
5456
5457         qla2x00_set_fcport_disc_state(fcport, DSC_UPD_FCPORT);
5458         fcport->login_retry = vha->hw->login_retry_count;
5459         fcport->flags &= ~(FCF_LOGIN_NEEDED | FCF_ASYNC_SENT);
5460         fcport->deleted = 0;
5461         if (vha->hw->current_topology == ISP_CFG_NL)
5462                 fcport->logout_on_delete = 0;
5463         else
5464                 fcport->logout_on_delete = 1;
5465         fcport->n2n_chip_reset = fcport->n2n_link_reset_cnt = 0;
5466
5467         switch (vha->hw->current_topology) {
5468         case ISP_CFG_N:
5469         case ISP_CFG_NL:
5470                 fcport->keep_nport_handle = 1;
5471                 break;
5472         default:
5473                 break;
5474         }
5475
5476         qla2x00_iidma_fcport(vha, fcport);
5477
5478         if (NVME_TARGET(vha->hw, fcport)) {
5479                 qla_nvme_register_remote(vha, fcport);
5480                 qla2x00_set_fcport_disc_state(fcport, DSC_LOGIN_COMPLETE);
5481                 qla2x00_set_fcport_state(fcport, FCS_ONLINE);
5482                 return;
5483         }
5484
5485         qla24xx_update_fcport_fcp_prio(vha, fcport);
5486
5487         switch (vha->host->active_mode) {
5488         case MODE_INITIATOR:
5489                 qla2x00_reg_remote_port(vha, fcport);
5490                 break;
5491         case MODE_TARGET:
5492                 if (!vha->vha_tgt.qla_tgt->tgt_stop &&
5493                         !vha->vha_tgt.qla_tgt->tgt_stopped)
5494                         qlt_fc_port_added(vha, fcport);
5495                 break;
5496         case MODE_DUAL:
5497                 qla2x00_reg_remote_port(vha, fcport);
5498                 if (!vha->vha_tgt.qla_tgt->tgt_stop &&
5499                         !vha->vha_tgt.qla_tgt->tgt_stopped)
5500                         qlt_fc_port_added(vha, fcport);
5501                 break;
5502         default:
5503                 break;
5504         }
5505
5506         qla2x00_set_fcport_state(fcport, FCS_ONLINE);
5507
5508         if (IS_IIDMA_CAPABLE(vha->hw) && vha->hw->flags.gpsc_supported) {
5509                 if (fcport->id_changed) {
5510                         fcport->id_changed = 0;
5511                         ql_dbg(ql_dbg_disc, vha, 0x20d7,
5512                             "%s %d %8phC post gfpnid fcp_cnt %d\n",
5513                             __func__, __LINE__, fcport->port_name,
5514                             vha->fcport_count);
5515                         qla24xx_post_gfpnid_work(vha, fcport);
5516                 } else {
5517                         ql_dbg(ql_dbg_disc, vha, 0x20d7,
5518                             "%s %d %8phC post gpsc fcp_cnt %d\n",
5519                             __func__, __LINE__, fcport->port_name,
5520                             vha->fcport_count);
5521                         qla24xx_post_gpsc_work(vha, fcport);
5522                 }
5523         }
5524
5525         qla2x00_set_fcport_disc_state(fcport, DSC_LOGIN_COMPLETE);
5526 }
5527
5528 void qla_register_fcport_fn(struct work_struct *work)
5529 {
5530         fc_port_t *fcport = container_of(work, struct fc_port, reg_work);
5531         u32 rscn_gen = fcport->rscn_gen;
5532         u16 data[2];
5533
5534         if (IS_SW_RESV_ADDR(fcport->d_id))
5535                 return;
5536
5537         qla2x00_update_fcport(fcport->vha, fcport);
5538
5539         if (rscn_gen != fcport->rscn_gen) {
5540                 /* RSCN(s) came in while registration */
5541                 switch (fcport->next_disc_state) {
5542                 case DSC_DELETE_PEND:
5543                         qlt_schedule_sess_for_deletion(fcport);
5544                         break;
5545                 case DSC_ADISC:
5546                         data[0] = data[1] = 0;
5547                         qla2x00_post_async_adisc_work(fcport->vha, fcport,
5548                             data);
5549                         break;
5550                 default:
5551                         break;
5552                 }
5553         }
5554 }
5555
5556 /*
5557  * qla2x00_configure_fabric
5558  *      Setup SNS devices with loop ID's.
5559  *
5560  * Input:
5561  *      ha = adapter block pointer.
5562  *
5563  * Returns:
5564  *      0 = success.
5565  *      BIT_0 = error
5566  */
5567 static int
5568 qla2x00_configure_fabric(scsi_qla_host_t *vha)
5569 {
5570         int     rval;
5571         fc_port_t       *fcport;
5572         uint16_t        mb[MAILBOX_REGISTER_COUNT];
5573         uint16_t        loop_id;
5574         LIST_HEAD(new_fcports);
5575         struct qla_hw_data *ha = vha->hw;
5576         int             discovery_gen;
5577
5578         /* If FL port exists, then SNS is present */
5579         if (IS_FWI2_CAPABLE(ha))
5580                 loop_id = NPH_F_PORT;
5581         else
5582                 loop_id = SNS_FL_PORT;
5583         rval = qla2x00_get_port_name(vha, loop_id, vha->fabric_node_name, 1);
5584         if (rval != QLA_SUCCESS) {
5585                 ql_dbg(ql_dbg_disc, vha, 0x20a0,
5586                     "MBX_GET_PORT_NAME failed, No FL Port.\n");
5587
5588                 vha->device_flags &= ~SWITCH_FOUND;
5589                 return (QLA_SUCCESS);
5590         }
5591         vha->device_flags |= SWITCH_FOUND;
5592
5593         rval = qla2x00_get_port_name(vha, loop_id, vha->fabric_port_name, 0);
5594         if (rval != QLA_SUCCESS)
5595                 ql_dbg(ql_dbg_disc, vha, 0x20ff,
5596                     "Failed to get Fabric Port Name\n");
5597
5598         if (qla_tgt_mode_enabled(vha) || qla_dual_mode_enabled(vha)) {
5599                 rval = qla2x00_send_change_request(vha, 0x3, 0);
5600                 if (rval != QLA_SUCCESS)
5601                         ql_log(ql_log_warn, vha, 0x121,
5602                             "Failed to enable receiving of RSCN requests: 0x%x.\n",
5603                             rval);
5604         }
5605
5606         do {
5607                 qla2x00_mgmt_svr_login(vha);
5608
5609                 /* Ensure we are logged into the SNS. */
5610                 loop_id = NPH_SNS_LID(ha);
5611                 rval = ha->isp_ops->fabric_login(vha, loop_id, 0xff, 0xff,
5612                     0xfc, mb, BIT_1|BIT_0);
5613                 if (rval != QLA_SUCCESS || mb[0] != MBS_COMMAND_COMPLETE) {
5614                         ql_dbg(ql_dbg_disc, vha, 0x20a1,
5615                             "Failed SNS login: loop_id=%x mb[0]=%x mb[1]=%x mb[2]=%x mb[6]=%x mb[7]=%x (%x).\n",
5616                             loop_id, mb[0], mb[1], mb[2], mb[6], mb[7], rval);
5617                         set_bit(LOOP_RESYNC_NEEDED, &vha->dpc_flags);
5618                         return rval;
5619                 }
5620
5621                 /* FDMI support. */
5622                 if (ql2xfdmienable &&
5623                     test_and_clear_bit(REGISTER_FDMI_NEEDED, &vha->dpc_flags))
5624                         qla2x00_fdmi_register(vha);
5625
5626                 if (test_and_clear_bit(REGISTER_FC4_NEEDED, &vha->dpc_flags)) {
5627                         if (qla2x00_rft_id(vha)) {
5628                                 /* EMPTY */
5629                                 ql_dbg(ql_dbg_disc, vha, 0x20a2,
5630                                     "Register FC-4 TYPE failed.\n");
5631                                 if (test_bit(LOOP_RESYNC_NEEDED,
5632                                     &vha->dpc_flags))
5633                                         break;
5634                         }
5635                         if (qla2x00_rff_id(vha, FC4_TYPE_FCP_SCSI)) {
5636                                 /* EMPTY */
5637                                 ql_dbg(ql_dbg_disc, vha, 0x209a,
5638                                     "Register FC-4 Features failed.\n");
5639                                 if (test_bit(LOOP_RESYNC_NEEDED,
5640                                     &vha->dpc_flags))
5641                                         break;
5642                         }
5643                         if (vha->flags.nvme_enabled) {
5644                                 if (qla2x00_rff_id(vha, FC_TYPE_NVME)) {
5645                                         ql_dbg(ql_dbg_disc, vha, 0x2049,
5646                                             "Register NVME FC Type Features failed.\n");
5647                                 }
5648                         }
5649                         if (qla2x00_rnn_id(vha)) {
5650                                 /* EMPTY */
5651                                 ql_dbg(ql_dbg_disc, vha, 0x2104,
5652                                     "Register Node Name failed.\n");
5653                                 if (test_bit(LOOP_RESYNC_NEEDED,
5654                                     &vha->dpc_flags))
5655                                         break;
5656                         } else if (qla2x00_rsnn_nn(vha)) {
5657                                 /* EMPTY */
5658                                 ql_dbg(ql_dbg_disc, vha, 0x209b,
5659                                     "Register Symbolic Node Name failed.\n");
5660                                 if (test_bit(LOOP_RESYNC_NEEDED, &vha->dpc_flags))
5661                                         break;
5662                         }
5663                 }
5664
5665
5666                 /* Mark the time right before querying FW for connected ports.
5667                  * This process is long, asynchronous and by the time it's done,
5668                  * collected information might not be accurate anymore. E.g.
5669                  * disconnected port might have re-connected and a brand new
5670                  * session has been created. In this case session's generation
5671                  * will be newer than discovery_gen. */
5672                 qlt_do_generation_tick(vha, &discovery_gen);
5673
5674                 if (USE_ASYNC_SCAN(ha)) {
5675                         rval = qla24xx_async_gpnft(vha, FC4_TYPE_FCP_SCSI,
5676                             NULL);
5677                         if (rval)
5678                                 set_bit(LOOP_RESYNC_NEEDED, &vha->dpc_flags);
5679                 } else  {
5680                         list_for_each_entry(fcport, &vha->vp_fcports, list)
5681                                 fcport->scan_state = QLA_FCPORT_SCAN;
5682
5683                         rval = qla2x00_find_all_fabric_devs(vha);
5684                 }
5685                 if (rval != QLA_SUCCESS)
5686                         break;
5687         } while (0);
5688
5689         if (!vha->nvme_local_port && vha->flags.nvme_enabled)
5690                 qla_nvme_register_hba(vha);
5691
5692         if (rval)
5693                 ql_dbg(ql_dbg_disc, vha, 0x2068,
5694                     "Configure fabric error exit rval=%d.\n", rval);
5695
5696         return (rval);
5697 }
5698
5699 /*
5700  * qla2x00_find_all_fabric_devs
5701  *
5702  * Input:
5703  *      ha = adapter block pointer.
5704  *      dev = database device entry pointer.
5705  *
5706  * Returns:
5707  *      0 = success.
5708  *
5709  * Context:
5710  *      Kernel context.
5711  */
5712 static int
5713 qla2x00_find_all_fabric_devs(scsi_qla_host_t *vha)
5714 {
5715         int             rval;
5716         uint16_t        loop_id;
5717         fc_port_t       *fcport, *new_fcport;
5718         int             found;
5719
5720         sw_info_t       *swl;
5721         int             swl_idx;
5722         int             first_dev, last_dev;
5723         port_id_t       wrap = {}, nxt_d_id;
5724         struct qla_hw_data *ha = vha->hw;
5725         struct scsi_qla_host *base_vha = pci_get_drvdata(ha->pdev);
5726         unsigned long flags;
5727
5728         rval = QLA_SUCCESS;
5729
5730         /* Try GID_PT to get device list, else GAN. */
5731         if (!ha->swl)
5732                 ha->swl = kcalloc(ha->max_fibre_devices, sizeof(sw_info_t),
5733                     GFP_KERNEL);
5734         swl = ha->swl;
5735         if (!swl) {
5736                 /*EMPTY*/
5737                 ql_dbg(ql_dbg_disc, vha, 0x209c,
5738                     "GID_PT allocations failed, fallback on GA_NXT.\n");
5739         } else {
5740                 memset(swl, 0, ha->max_fibre_devices * sizeof(sw_info_t));
5741                 if (qla2x00_gid_pt(vha, swl) != QLA_SUCCESS) {
5742                         swl = NULL;
5743                         if (test_bit(LOOP_RESYNC_NEEDED, &vha->dpc_flags))
5744                                 return rval;
5745                 } else if (qla2x00_gpn_id(vha, swl) != QLA_SUCCESS) {
5746                         swl = NULL;
5747                         if (test_bit(LOOP_RESYNC_NEEDED, &vha->dpc_flags))
5748                                 return rval;
5749                 } else if (qla2x00_gnn_id(vha, swl) != QLA_SUCCESS) {
5750                         swl = NULL;
5751                         if (test_bit(LOOP_RESYNC_NEEDED, &vha->dpc_flags))
5752                                 return rval;
5753                 } else if (qla2x00_gfpn_id(vha, swl) != QLA_SUCCESS) {
5754                         swl = NULL;
5755                         if (test_bit(LOOP_RESYNC_NEEDED, &vha->dpc_flags))
5756                                 return rval;
5757                 }
5758
5759                 /* If other queries succeeded probe for FC-4 type */
5760                 if (swl) {
5761                         qla2x00_gff_id(vha, swl);
5762                         if (test_bit(LOOP_RESYNC_NEEDED, &vha->dpc_flags))
5763                                 return rval;
5764                 }
5765         }
5766         swl_idx = 0;
5767
5768         /* Allocate temporary fcport for any new fcports discovered. */
5769         new_fcport = qla2x00_alloc_fcport(vha, GFP_KERNEL);
5770         if (new_fcport == NULL) {
5771                 ql_log(ql_log_warn, vha, 0x209d,
5772                     "Failed to allocate memory for fcport.\n");
5773                 return (QLA_MEMORY_ALLOC_FAILED);
5774         }
5775         new_fcport->flags |= (FCF_FABRIC_DEVICE | FCF_LOGIN_NEEDED);
5776         /* Set start port ID scan at adapter ID. */
5777         first_dev = 1;
5778         last_dev = 0;
5779
5780         /* Starting free loop ID. */
5781         loop_id = ha->min_external_loopid;
5782         for (; loop_id <= ha->max_loop_id; loop_id++) {
5783                 if (qla2x00_is_reserved_id(vha, loop_id))
5784                         continue;
5785
5786                 if (ha->current_topology == ISP_CFG_FL &&
5787                     (atomic_read(&vha->loop_down_timer) ||
5788                      LOOP_TRANSITION(vha))) {
5789                         atomic_set(&vha->loop_down_timer, 0);
5790                         set_bit(LOOP_RESYNC_NEEDED, &vha->dpc_flags);
5791                         set_bit(LOCAL_LOOP_UPDATE, &vha->dpc_flags);
5792                         break;
5793                 }
5794
5795                 if (swl != NULL) {
5796                         if (last_dev) {
5797                                 wrap.b24 = new_fcport->d_id.b24;
5798                         } else {
5799                                 new_fcport->d_id.b24 = swl[swl_idx].d_id.b24;
5800                                 memcpy(new_fcport->node_name,
5801                                     swl[swl_idx].node_name, WWN_SIZE);
5802                                 memcpy(new_fcport->port_name,
5803                                     swl[swl_idx].port_name, WWN_SIZE);
5804                                 memcpy(new_fcport->fabric_port_name,
5805                                     swl[swl_idx].fabric_port_name, WWN_SIZE);
5806                                 new_fcport->fp_speed = swl[swl_idx].fp_speed;
5807                                 new_fcport->fc4_type = swl[swl_idx].fc4_type;
5808
5809                                 new_fcport->nvme_flag = 0;
5810                                 if (vha->flags.nvme_enabled &&
5811                                     swl[swl_idx].fc4_type & FS_FC4TYPE_NVME) {
5812                                         ql_log(ql_log_info, vha, 0x2131,
5813                                             "FOUND: NVME port %8phC as FC Type 28h\n",
5814                                             new_fcport->port_name);
5815                                 }
5816
5817                                 if (swl[swl_idx].d_id.b.rsvd_1 != 0) {
5818                                         last_dev = 1;
5819                                 }
5820                                 swl_idx++;
5821                         }
5822                 } else {
5823                         /* Send GA_NXT to the switch */
5824                         rval = qla2x00_ga_nxt(vha, new_fcport);
5825                         if (rval != QLA_SUCCESS) {
5826                                 ql_log(ql_log_warn, vha, 0x209e,
5827                                     "SNS scan failed -- assuming "
5828                                     "zero-entry result.\n");
5829                                 rval = QLA_SUCCESS;
5830                                 break;
5831                         }
5832                 }
5833
5834                 /* If wrap on switch device list, exit. */
5835                 if (first_dev) {
5836                         wrap.b24 = new_fcport->d_id.b24;
5837                         first_dev = 0;
5838                 } else if (new_fcport->d_id.b24 == wrap.b24) {
5839                         ql_dbg(ql_dbg_disc, vha, 0x209f,
5840                             "Device wrap (%02x%02x%02x).\n",
5841                             new_fcport->d_id.b.domain,
5842                             new_fcport->d_id.b.area,
5843                             new_fcport->d_id.b.al_pa);
5844                         break;
5845                 }
5846
5847                 /* Bypass if same physical adapter. */
5848                 if (new_fcport->d_id.b24 == base_vha->d_id.b24)
5849                         continue;
5850
5851                 /* Bypass virtual ports of the same host. */
5852                 if (qla2x00_is_a_vp_did(vha, new_fcport->d_id.b24))
5853                         continue;
5854
5855                 /* Bypass if same domain and area of adapter. */
5856                 if (((new_fcport->d_id.b24 & 0xffff00) ==
5857                     (vha->d_id.b24 & 0xffff00)) && ha->current_topology ==
5858                         ISP_CFG_FL)
5859                             continue;
5860
5861                 /* Bypass reserved domain fields. */
5862                 if ((new_fcport->d_id.b.domain & 0xf0) == 0xf0)
5863                         continue;
5864
5865                 /* Bypass ports whose FCP-4 type is not FCP_SCSI */
5866                 if (ql2xgffidenable &&
5867                     (!(new_fcport->fc4_type & FS_FC4TYPE_FCP) &&
5868                     new_fcport->fc4_type != 0))
5869                         continue;
5870
5871                 spin_lock_irqsave(&vha->hw->tgt.sess_lock, flags);
5872
5873                 /* Locate matching device in database. */
5874                 found = 0;
5875                 list_for_each_entry(fcport, &vha->vp_fcports, list) {
5876                         if (memcmp(new_fcport->port_name, fcport->port_name,
5877                             WWN_SIZE))
5878                                 continue;
5879
5880                         fcport->scan_state = QLA_FCPORT_FOUND;
5881
5882                         found++;
5883
5884                         /* Update port state. */
5885                         memcpy(fcport->fabric_port_name,
5886                             new_fcport->fabric_port_name, WWN_SIZE);
5887                         fcport->fp_speed = new_fcport->fp_speed;
5888
5889                         /*
5890                          * If address the same and state FCS_ONLINE
5891                          * (or in target mode), nothing changed.
5892                          */
5893                         if (fcport->d_id.b24 == new_fcport->d_id.b24 &&
5894                             (atomic_read(&fcport->state) == FCS_ONLINE ||
5895                              (vha->host->active_mode == MODE_TARGET))) {
5896                                 break;
5897                         }
5898
5899                         /*
5900                          * If device was not a fabric device before.
5901                          */
5902                         if ((fcport->flags & FCF_FABRIC_DEVICE) == 0) {
5903                                 fcport->d_id.b24 = new_fcport->d_id.b24;
5904                                 qla2x00_clear_loop_id(fcport);
5905                                 fcport->flags |= (FCF_FABRIC_DEVICE |
5906                                     FCF_LOGIN_NEEDED);
5907                                 break;
5908                         }
5909
5910                         /*
5911                          * Port ID changed or device was marked to be updated;
5912                          * Log it out if still logged in and mark it for
5913                          * relogin later.
5914                          */
5915                         if (qla_tgt_mode_enabled(base_vha)) {
5916                                 ql_dbg(ql_dbg_tgt_mgt, vha, 0xf080,
5917                                          "port changed FC ID, %8phC"
5918                                          " old %x:%x:%x (loop_id 0x%04x)-> new %x:%x:%x\n",
5919                                          fcport->port_name,
5920                                          fcport->d_id.b.domain,
5921                                          fcport->d_id.b.area,
5922                                          fcport->d_id.b.al_pa,
5923                                          fcport->loop_id,
5924                                          new_fcport->d_id.b.domain,
5925                                          new_fcport->d_id.b.area,
5926                                          new_fcport->d_id.b.al_pa);
5927                                 fcport->d_id.b24 = new_fcport->d_id.b24;
5928                                 break;
5929                         }
5930
5931                         fcport->d_id.b24 = new_fcport->d_id.b24;
5932                         fcport->flags |= FCF_LOGIN_NEEDED;
5933                         break;
5934                 }
5935
5936                 if (NVME_TARGET(vha->hw, fcport)) {
5937                         if (fcport->disc_state == DSC_DELETE_PEND) {
5938                                 qla2x00_set_fcport_disc_state(fcport, DSC_GNL);
5939                                 vha->fcport_count--;
5940                                 fcport->login_succ = 0;
5941                         }
5942                 }
5943
5944                 if (found) {
5945                         spin_unlock_irqrestore(&vha->hw->tgt.sess_lock, flags);
5946                         continue;
5947                 }
5948                 /* If device was not in our fcports list, then add it. */
5949                 new_fcport->scan_state = QLA_FCPORT_FOUND;
5950                 list_add_tail(&new_fcport->list, &vha->vp_fcports);
5951
5952                 spin_unlock_irqrestore(&vha->hw->tgt.sess_lock, flags);
5953
5954
5955                 /* Allocate a new replacement fcport. */
5956                 nxt_d_id.b24 = new_fcport->d_id.b24;
5957                 new_fcport = qla2x00_alloc_fcport(vha, GFP_KERNEL);
5958                 if (new_fcport == NULL) {
5959                         ql_log(ql_log_warn, vha, 0xd032,
5960                             "Memory allocation failed for fcport.\n");
5961                         return (QLA_MEMORY_ALLOC_FAILED);
5962                 }
5963                 new_fcport->flags |= (FCF_FABRIC_DEVICE | FCF_LOGIN_NEEDED);
5964                 new_fcport->d_id.b24 = nxt_d_id.b24;
5965         }
5966
5967         qla2x00_free_fcport(new_fcport);
5968
5969         /*
5970          * Logout all previous fabric dev marked lost, except FCP2 devices.
5971          */
5972         list_for_each_entry(fcport, &vha->vp_fcports, list) {
5973                 if (test_bit(LOOP_RESYNC_NEEDED, &vha->dpc_flags))
5974                         break;
5975
5976                 if ((fcport->flags & FCF_FABRIC_DEVICE) == 0)
5977                         continue;
5978
5979                 if (fcport->scan_state == QLA_FCPORT_SCAN) {
5980                         if ((qla_dual_mode_enabled(vha) ||
5981                             qla_ini_mode_enabled(vha)) &&
5982                             atomic_read(&fcport->state) == FCS_ONLINE) {
5983                                 qla2x00_mark_device_lost(vha, fcport,
5984                                         ql2xplogiabsentdevice);
5985                                 if (fcport->loop_id != FC_NO_LOOP_ID &&
5986                                     (fcport->flags & FCF_FCP2_DEVICE) == 0 &&
5987                                     fcport->port_type != FCT_INITIATOR &&
5988                                     fcport->port_type != FCT_BROADCAST) {
5989                                         ql_dbg(ql_dbg_disc, vha, 0x20f0,
5990                                             "%s %d %8phC post del sess\n",
5991                                             __func__, __LINE__,
5992                                             fcport->port_name);
5993                                         qlt_schedule_sess_for_deletion(fcport);
5994                                         continue;
5995                                 }
5996                         }
5997                 }
5998
5999                 if (fcport->scan_state == QLA_FCPORT_FOUND &&
6000                     (fcport->flags & FCF_LOGIN_NEEDED) != 0)
6001                         qla24xx_fcport_handle_login(vha, fcport);
6002         }
6003         return (rval);
6004 }
6005
6006 /* FW does not set aside Loop id for MGMT Server/FFFFFAh */
6007 int
6008 qla2x00_reserve_mgmt_server_loop_id(scsi_qla_host_t *vha)
6009 {
6010         int loop_id = FC_NO_LOOP_ID;
6011         int lid = NPH_MGMT_SERVER - vha->vp_idx;
6012         unsigned long flags;
6013         struct qla_hw_data *ha = vha->hw;
6014
6015         if (vha->vp_idx == 0) {
6016                 set_bit(NPH_MGMT_SERVER, ha->loop_id_map);
6017                 return NPH_MGMT_SERVER;
6018         }
6019
6020         /* pick id from high and work down to low */
6021         spin_lock_irqsave(&ha->vport_slock, flags);
6022         for (; lid > 0; lid--) {
6023                 if (!test_bit(lid, vha->hw->loop_id_map)) {
6024                         set_bit(lid, vha->hw->loop_id_map);
6025                         loop_id = lid;
6026                         break;
6027                 }
6028         }
6029         spin_unlock_irqrestore(&ha->vport_slock, flags);
6030
6031         return loop_id;
6032 }
6033
6034 /*
6035  * qla2x00_fabric_login
6036  *      Issue fabric login command.
6037  *
6038  * Input:
6039  *      ha = adapter block pointer.
6040  *      device = pointer to FC device type structure.
6041  *
6042  * Returns:
6043  *      0 - Login successfully
6044  *      1 - Login failed
6045  *      2 - Initiator device
6046  *      3 - Fatal error
6047  */
6048 int
6049 qla2x00_fabric_login(scsi_qla_host_t *vha, fc_port_t *fcport,
6050     uint16_t *next_loopid)
6051 {
6052         int     rval;
6053         int     retry;
6054         uint16_t tmp_loopid;
6055         uint16_t mb[MAILBOX_REGISTER_COUNT];
6056         struct qla_hw_data *ha = vha->hw;
6057
6058         retry = 0;
6059         tmp_loopid = 0;
6060
6061         for (;;) {
6062                 ql_dbg(ql_dbg_disc, vha, 0x2000,
6063                     "Trying Fabric Login w/loop id 0x%04x for port "
6064                     "%02x%02x%02x.\n",
6065                     fcport->loop_id, fcport->d_id.b.domain,
6066                     fcport->d_id.b.area, fcport->d_id.b.al_pa);
6067
6068                 /* Login fcport on switch. */
6069                 rval = ha->isp_ops->fabric_login(vha, fcport->loop_id,
6070                     fcport->d_id.b.domain, fcport->d_id.b.area,
6071                     fcport->d_id.b.al_pa, mb, BIT_0);
6072                 if (rval != QLA_SUCCESS) {
6073                         return rval;
6074                 }
6075                 if (mb[0] == MBS_PORT_ID_USED) {
6076                         /*
6077                          * Device has another loop ID.  The firmware team
6078                          * recommends the driver perform an implicit login with
6079                          * the specified ID again. The ID we just used is save
6080                          * here so we return with an ID that can be tried by
6081                          * the next login.
6082                          */
6083                         retry++;
6084                         tmp_loopid = fcport->loop_id;
6085                         fcport->loop_id = mb[1];
6086
6087                         ql_dbg(ql_dbg_disc, vha, 0x2001,
6088                             "Fabric Login: port in use - next loop "
6089                             "id=0x%04x, port id= %02x%02x%02x.\n",
6090                             fcport->loop_id, fcport->d_id.b.domain,
6091                             fcport->d_id.b.area, fcport->d_id.b.al_pa);
6092
6093                 } else if (mb[0] == MBS_COMMAND_COMPLETE) {
6094                         /*
6095                          * Login succeeded.
6096                          */
6097                         if (retry) {
6098                                 /* A retry occurred before. */
6099                                 *next_loopid = tmp_loopid;
6100                         } else {
6101                                 /*
6102                                  * No retry occurred before. Just increment the
6103                                  * ID value for next login.
6104                                  */
6105                                 *next_loopid = (fcport->loop_id + 1);
6106                         }
6107
6108                         if (mb[1] & BIT_0) {
6109                                 fcport->port_type = FCT_INITIATOR;
6110                         } else {
6111                                 fcport->port_type = FCT_TARGET;
6112                                 if (mb[1] & BIT_1) {
6113                                         fcport->flags |= FCF_FCP2_DEVICE;
6114                                 }
6115                         }
6116
6117                         if (mb[10] & BIT_0)
6118                                 fcport->supported_classes |= FC_COS_CLASS2;
6119                         if (mb[10] & BIT_1)
6120                                 fcport->supported_classes |= FC_COS_CLASS3;
6121
6122                         if (IS_FWI2_CAPABLE(ha)) {
6123                                 if (mb[10] & BIT_7)
6124                                         fcport->flags |=
6125                                             FCF_CONF_COMP_SUPPORTED;
6126                         }
6127
6128                         rval = QLA_SUCCESS;
6129                         break;
6130                 } else if (mb[0] == MBS_LOOP_ID_USED) {
6131                         /*
6132                          * Loop ID already used, try next loop ID.
6133                          */
6134                         fcport->loop_id++;
6135                         rval = qla2x00_find_new_loop_id(vha, fcport);
6136                         if (rval != QLA_SUCCESS) {
6137                                 /* Ran out of loop IDs to use */
6138                                 break;
6139                         }
6140                 } else if (mb[0] == MBS_COMMAND_ERROR) {
6141                         /*
6142                          * Firmware possibly timed out during login. If NO
6143                          * retries are left to do then the device is declared
6144                          * dead.
6145                          */
6146                         *next_loopid = fcport->loop_id;
6147                         ha->isp_ops->fabric_logout(vha, fcport->loop_id,
6148                             fcport->d_id.b.domain, fcport->d_id.b.area,
6149                             fcport->d_id.b.al_pa);
6150                         qla2x00_mark_device_lost(vha, fcport, 1);
6151
6152                         rval = 1;
6153                         break;
6154                 } else {
6155                         /*
6156                          * unrecoverable / not handled error
6157                          */
6158                         ql_dbg(ql_dbg_disc, vha, 0x2002,
6159                             "Failed=%x port_id=%02x%02x%02x loop_id=%x "
6160                             "jiffies=%lx.\n", mb[0], fcport->d_id.b.domain,
6161                             fcport->d_id.b.area, fcport->d_id.b.al_pa,
6162                             fcport->loop_id, jiffies);
6163
6164                         *next_loopid = fcport->loop_id;
6165                         ha->isp_ops->fabric_logout(vha, fcport->loop_id,
6166                             fcport->d_id.b.domain, fcport->d_id.b.area,
6167                             fcport->d_id.b.al_pa);
6168                         qla2x00_clear_loop_id(fcport);
6169                         fcport->login_retry = 0;
6170
6171                         rval = 3;
6172                         break;
6173                 }
6174         }
6175
6176         return (rval);
6177 }
6178
6179 /*
6180  * qla2x00_local_device_login
6181  *      Issue local device login command.
6182  *
6183  * Input:
6184  *      ha = adapter block pointer.
6185  *      loop_id = loop id of device to login to.
6186  *
6187  * Returns (Where's the #define!!!!):
6188  *      0 - Login successfully
6189  *      1 - Login failed
6190  *      3 - Fatal error
6191  */
6192 int
6193 qla2x00_local_device_login(scsi_qla_host_t *vha, fc_port_t *fcport)
6194 {
6195         int             rval;
6196         uint16_t        mb[MAILBOX_REGISTER_COUNT];
6197
6198         memset(mb, 0, sizeof(mb));
6199         rval = qla2x00_login_local_device(vha, fcport, mb, BIT_0);
6200         if (rval == QLA_SUCCESS) {
6201                 /* Interrogate mailbox registers for any errors */
6202                 if (mb[0] == MBS_COMMAND_ERROR)
6203                         rval = 1;
6204                 else if (mb[0] == MBS_COMMAND_PARAMETER_ERROR)
6205                         /* device not in PCB table */
6206                         rval = 3;
6207         }
6208
6209         return (rval);
6210 }
6211
6212 /*
6213  *  qla2x00_loop_resync
6214  *      Resync with fibre channel devices.
6215  *
6216  * Input:
6217  *      ha = adapter block pointer.
6218  *
6219  * Returns:
6220  *      0 = success
6221  */
6222 int
6223 qla2x00_loop_resync(scsi_qla_host_t *vha)
6224 {
6225         int rval = QLA_SUCCESS;
6226         uint32_t wait_time;
6227
6228         clear_bit(ISP_ABORT_RETRY, &vha->dpc_flags);
6229         if (vha->flags.online) {
6230                 if (!(rval = qla2x00_fw_ready(vha))) {
6231                         /* Wait at most MAX_TARGET RSCNs for a stable link. */
6232                         wait_time = 256;
6233                         do {
6234                                 if (!IS_QLAFX00(vha->hw)) {
6235                                         /*
6236                                          * Issue a marker after FW becomes
6237                                          * ready.
6238                                          */
6239                                         qla2x00_marker(vha, vha->hw->base_qpair,
6240                                             0, 0, MK_SYNC_ALL);
6241                                         vha->marker_needed = 0;
6242                                 }
6243
6244                                 /* Remap devices on Loop. */
6245                                 clear_bit(LOOP_RESYNC_NEEDED, &vha->dpc_flags);
6246
6247                                 if (IS_QLAFX00(vha->hw))
6248                                         qlafx00_configure_devices(vha);
6249                                 else
6250                                         qla2x00_configure_loop(vha);
6251
6252                                 wait_time--;
6253                         } while (!atomic_read(&vha->loop_down_timer) &&
6254                                 !(test_bit(ISP_ABORT_NEEDED, &vha->dpc_flags))
6255                                 && wait_time && (test_bit(LOOP_RESYNC_NEEDED,
6256                                 &vha->dpc_flags)));
6257                 }
6258         }
6259
6260         if (test_bit(ISP_ABORT_NEEDED, &vha->dpc_flags))
6261                 return (QLA_FUNCTION_FAILED);
6262
6263         if (rval)
6264                 ql_dbg(ql_dbg_disc, vha, 0x206c,
6265                     "%s *** FAILED ***.\n", __func__);
6266
6267         return (rval);
6268 }
6269
6270 /*
6271 * qla2x00_perform_loop_resync
6272 * Description: This function will set the appropriate flags and call
6273 *              qla2x00_loop_resync. If successful loop will be resynced
6274 * Arguments : scsi_qla_host_t pointer
6275 * returm    : Success or Failure
6276 */
6277
6278 int qla2x00_perform_loop_resync(scsi_qla_host_t *ha)
6279 {
6280         int32_t rval = 0;
6281
6282         if (!test_and_set_bit(LOOP_RESYNC_ACTIVE, &ha->dpc_flags)) {
6283                 /*Configure the flags so that resync happens properly*/
6284                 atomic_set(&ha->loop_down_timer, 0);
6285                 if (!(ha->device_flags & DFLG_NO_CABLE)) {
6286                         atomic_set(&ha->loop_state, LOOP_UP);
6287                         set_bit(LOCAL_LOOP_UPDATE, &ha->dpc_flags);
6288                         set_bit(REGISTER_FC4_NEEDED, &ha->dpc_flags);
6289                         set_bit(LOOP_RESYNC_NEEDED, &ha->dpc_flags);
6290
6291                         rval = qla2x00_loop_resync(ha);
6292                 } else
6293                         atomic_set(&ha->loop_state, LOOP_DEAD);
6294
6295                 clear_bit(LOOP_RESYNC_ACTIVE, &ha->dpc_flags);
6296         }
6297
6298         return rval;
6299 }
6300
6301 void
6302 qla2x00_update_fcports(scsi_qla_host_t *base_vha)
6303 {
6304         fc_port_t *fcport;
6305         struct scsi_qla_host *vha;
6306         struct qla_hw_data *ha = base_vha->hw;
6307         unsigned long flags;
6308
6309         spin_lock_irqsave(&ha->vport_slock, flags);
6310         /* Go with deferred removal of rport references. */
6311         list_for_each_entry(vha, &base_vha->hw->vp_list, list) {
6312                 atomic_inc(&vha->vref_count);
6313                 list_for_each_entry(fcport, &vha->vp_fcports, list) {
6314                         if (fcport->drport &&
6315                             atomic_read(&fcport->state) != FCS_UNCONFIGURED) {
6316                                 spin_unlock_irqrestore(&ha->vport_slock, flags);
6317                                 qla2x00_rport_del(fcport);
6318
6319                                 spin_lock_irqsave(&ha->vport_slock, flags);
6320                         }
6321                 }
6322                 atomic_dec(&vha->vref_count);
6323                 wake_up(&vha->vref_waitq);
6324         }
6325         spin_unlock_irqrestore(&ha->vport_slock, flags);
6326 }
6327
6328 /* Assumes idc_lock always held on entry */
6329 void
6330 qla83xx_reset_ownership(scsi_qla_host_t *vha)
6331 {
6332         struct qla_hw_data *ha = vha->hw;
6333         uint32_t drv_presence, drv_presence_mask;
6334         uint32_t dev_part_info1, dev_part_info2, class_type;
6335         uint32_t class_type_mask = 0x3;
6336         uint16_t fcoe_other_function = 0xffff, i;
6337
6338         if (IS_QLA8044(ha)) {
6339                 drv_presence = qla8044_rd_direct(vha,
6340                     QLA8044_CRB_DRV_ACTIVE_INDEX);
6341                 dev_part_info1 = qla8044_rd_direct(vha,
6342                     QLA8044_CRB_DEV_PART_INFO_INDEX);
6343                 dev_part_info2 = qla8044_rd_direct(vha,
6344                     QLA8044_CRB_DEV_PART_INFO2);
6345         } else {
6346                 qla83xx_rd_reg(vha, QLA83XX_IDC_DRV_PRESENCE, &drv_presence);
6347                 qla83xx_rd_reg(vha, QLA83XX_DEV_PARTINFO1, &dev_part_info1);
6348                 qla83xx_rd_reg(vha, QLA83XX_DEV_PARTINFO2, &dev_part_info2);
6349         }
6350         for (i = 0; i < 8; i++) {
6351                 class_type = ((dev_part_info1 >> (i * 4)) & class_type_mask);
6352                 if ((class_type == QLA83XX_CLASS_TYPE_FCOE) &&
6353                     (i != ha->portnum)) {
6354                         fcoe_other_function = i;
6355                         break;
6356                 }
6357         }
6358         if (fcoe_other_function == 0xffff) {
6359                 for (i = 0; i < 8; i++) {
6360                         class_type = ((dev_part_info2 >> (i * 4)) &
6361                             class_type_mask);
6362                         if ((class_type == QLA83XX_CLASS_TYPE_FCOE) &&
6363                             ((i + 8) != ha->portnum)) {
6364                                 fcoe_other_function = i + 8;
6365                                 break;
6366                         }
6367                 }
6368         }
6369         /*
6370          * Prepare drv-presence mask based on fcoe functions present.
6371          * However consider only valid physical fcoe function numbers (0-15).
6372          */
6373         drv_presence_mask = ~((1 << (ha->portnum)) |
6374                         ((fcoe_other_function == 0xffff) ?
6375                          0 : (1 << (fcoe_other_function))));
6376
6377         /* We are the reset owner iff:
6378          *    - No other protocol drivers present.
6379          *    - This is the lowest among fcoe functions. */
6380         if (!(drv_presence & drv_presence_mask) &&
6381                         (ha->portnum < fcoe_other_function)) {
6382                 ql_dbg(ql_dbg_p3p, vha, 0xb07f,
6383                     "This host is Reset owner.\n");
6384                 ha->flags.nic_core_reset_owner = 1;
6385         }
6386 }
6387
6388 static int
6389 __qla83xx_set_drv_ack(scsi_qla_host_t *vha)
6390 {
6391         int rval = QLA_SUCCESS;
6392         struct qla_hw_data *ha = vha->hw;
6393         uint32_t drv_ack;
6394
6395         rval = qla83xx_rd_reg(vha, QLA83XX_IDC_DRIVER_ACK, &drv_ack);
6396         if (rval == QLA_SUCCESS) {
6397                 drv_ack |= (1 << ha->portnum);
6398                 rval = qla83xx_wr_reg(vha, QLA83XX_IDC_DRIVER_ACK, drv_ack);
6399         }
6400
6401         return rval;
6402 }
6403
6404 static int
6405 __qla83xx_clear_drv_ack(scsi_qla_host_t *vha)
6406 {
6407         int rval = QLA_SUCCESS;
6408         struct qla_hw_data *ha = vha->hw;
6409         uint32_t drv_ack;
6410
6411         rval = qla83xx_rd_reg(vha, QLA83XX_IDC_DRIVER_ACK, &drv_ack);
6412         if (rval == QLA_SUCCESS) {
6413                 drv_ack &= ~(1 << ha->portnum);
6414                 rval = qla83xx_wr_reg(vha, QLA83XX_IDC_DRIVER_ACK, drv_ack);
6415         }
6416
6417         return rval;
6418 }
6419
6420 static const char *
6421 qla83xx_dev_state_to_string(uint32_t dev_state)
6422 {
6423         switch (dev_state) {
6424         case QLA8XXX_DEV_COLD:
6425                 return "COLD/RE-INIT";
6426         case QLA8XXX_DEV_INITIALIZING:
6427                 return "INITIALIZING";
6428         case QLA8XXX_DEV_READY:
6429                 return "READY";
6430         case QLA8XXX_DEV_NEED_RESET:
6431                 return "NEED RESET";
6432         case QLA8XXX_DEV_NEED_QUIESCENT:
6433                 return "NEED QUIESCENT";
6434         case QLA8XXX_DEV_FAILED:
6435                 return "FAILED";
6436         case QLA8XXX_DEV_QUIESCENT:
6437                 return "QUIESCENT";
6438         default:
6439                 return "Unknown";
6440         }
6441 }
6442
6443 /* Assumes idc-lock always held on entry */
6444 void
6445 qla83xx_idc_audit(scsi_qla_host_t *vha, int audit_type)
6446 {
6447         struct qla_hw_data *ha = vha->hw;
6448         uint32_t idc_audit_reg = 0, duration_secs = 0;
6449
6450         switch (audit_type) {
6451         case IDC_AUDIT_TIMESTAMP:
6452                 ha->idc_audit_ts = (jiffies_to_msecs(jiffies) / 1000);
6453                 idc_audit_reg = (ha->portnum) |
6454                     (IDC_AUDIT_TIMESTAMP << 7) | (ha->idc_audit_ts << 8);
6455                 qla83xx_wr_reg(vha, QLA83XX_IDC_AUDIT, idc_audit_reg);
6456                 break;
6457
6458         case IDC_AUDIT_COMPLETION:
6459                 duration_secs = ((jiffies_to_msecs(jiffies) -
6460                     jiffies_to_msecs(ha->idc_audit_ts)) / 1000);
6461                 idc_audit_reg = (ha->portnum) |
6462                     (IDC_AUDIT_COMPLETION << 7) | (duration_secs << 8);
6463                 qla83xx_wr_reg(vha, QLA83XX_IDC_AUDIT, idc_audit_reg);
6464                 break;
6465
6466         default:
6467                 ql_log(ql_log_warn, vha, 0xb078,
6468                     "Invalid audit type specified.\n");
6469                 break;
6470         }
6471 }
6472
6473 /* Assumes idc_lock always held on entry */
6474 static int
6475 qla83xx_initiating_reset(scsi_qla_host_t *vha)
6476 {
6477         struct qla_hw_data *ha = vha->hw;
6478         uint32_t  idc_control, dev_state;
6479
6480         __qla83xx_get_idc_control(vha, &idc_control);
6481         if ((idc_control & QLA83XX_IDC_RESET_DISABLED)) {
6482                 ql_log(ql_log_info, vha, 0xb080,
6483                     "NIC Core reset has been disabled. idc-control=0x%x\n",
6484                     idc_control);
6485                 return QLA_FUNCTION_FAILED;
6486         }
6487
6488         /* Set NEED-RESET iff in READY state and we are the reset-owner */
6489         qla83xx_rd_reg(vha, QLA83XX_IDC_DEV_STATE, &dev_state);
6490         if (ha->flags.nic_core_reset_owner && dev_state == QLA8XXX_DEV_READY) {
6491                 qla83xx_wr_reg(vha, QLA83XX_IDC_DEV_STATE,
6492                     QLA8XXX_DEV_NEED_RESET);
6493                 ql_log(ql_log_info, vha, 0xb056, "HW State: NEED RESET.\n");
6494                 qla83xx_idc_audit(vha, IDC_AUDIT_TIMESTAMP);
6495         } else {
6496                 const char *state = qla83xx_dev_state_to_string(dev_state);
6497
6498                 ql_log(ql_log_info, vha, 0xb057, "HW State: %s.\n", state);
6499
6500                 /* SV: XXX: Is timeout required here? */
6501                 /* Wait for IDC state change READY -> NEED_RESET */
6502                 while (dev_state == QLA8XXX_DEV_READY) {
6503                         qla83xx_idc_unlock(vha, 0);
6504                         msleep(200);
6505                         qla83xx_idc_lock(vha, 0);
6506                         qla83xx_rd_reg(vha, QLA83XX_IDC_DEV_STATE, &dev_state);
6507                 }
6508         }
6509
6510         /* Send IDC ack by writing to drv-ack register */
6511         __qla83xx_set_drv_ack(vha);
6512
6513         return QLA_SUCCESS;
6514 }
6515
6516 int
6517 __qla83xx_set_idc_control(scsi_qla_host_t *vha, uint32_t idc_control)
6518 {
6519         return qla83xx_wr_reg(vha, QLA83XX_IDC_CONTROL, idc_control);
6520 }
6521
6522 int
6523 __qla83xx_get_idc_control(scsi_qla_host_t *vha, uint32_t *idc_control)
6524 {
6525         return qla83xx_rd_reg(vha, QLA83XX_IDC_CONTROL, idc_control);
6526 }
6527
6528 static int
6529 qla83xx_check_driver_presence(scsi_qla_host_t *vha)
6530 {
6531         uint32_t drv_presence = 0;
6532         struct qla_hw_data *ha = vha->hw;
6533
6534         qla83xx_rd_reg(vha, QLA83XX_IDC_DRV_PRESENCE, &drv_presence);
6535         if (drv_presence & (1 << ha->portnum))
6536                 return QLA_SUCCESS;
6537         else
6538                 return QLA_TEST_FAILED;
6539 }
6540
6541 int
6542 qla83xx_nic_core_reset(scsi_qla_host_t *vha)
6543 {
6544         int rval = QLA_SUCCESS;
6545         struct qla_hw_data *ha = vha->hw;
6546
6547         ql_dbg(ql_dbg_p3p, vha, 0xb058,
6548             "Entered  %s().\n", __func__);
6549
6550         if (vha->device_flags & DFLG_DEV_FAILED) {
6551                 ql_log(ql_log_warn, vha, 0xb059,
6552                     "Device in unrecoverable FAILED state.\n");
6553                 return QLA_FUNCTION_FAILED;
6554         }
6555
6556         qla83xx_idc_lock(vha, 0);
6557
6558         if (qla83xx_check_driver_presence(vha) != QLA_SUCCESS) {
6559                 ql_log(ql_log_warn, vha, 0xb05a,
6560                     "Function=0x%x has been removed from IDC participation.\n",
6561                     ha->portnum);
6562                 rval = QLA_FUNCTION_FAILED;
6563                 goto exit;
6564         }
6565
6566         qla83xx_reset_ownership(vha);
6567
6568         rval = qla83xx_initiating_reset(vha);
6569
6570         /*
6571          * Perform reset if we are the reset-owner,
6572          * else wait till IDC state changes to READY/FAILED.
6573          */
6574         if (rval == QLA_SUCCESS) {
6575                 rval = qla83xx_idc_state_handler(vha);
6576
6577                 if (rval == QLA_SUCCESS)
6578                         ha->flags.nic_core_hung = 0;
6579                 __qla83xx_clear_drv_ack(vha);
6580         }
6581
6582 exit:
6583         qla83xx_idc_unlock(vha, 0);
6584
6585         ql_dbg(ql_dbg_p3p, vha, 0xb05b, "Exiting %s.\n", __func__);
6586
6587         return rval;
6588 }
6589
6590 int
6591 qla2xxx_mctp_dump(scsi_qla_host_t *vha)
6592 {
6593         struct qla_hw_data *ha = vha->hw;
6594         int rval = QLA_FUNCTION_FAILED;
6595
6596         if (!IS_MCTP_CAPABLE(ha)) {
6597                 /* This message can be removed from the final version */
6598                 ql_log(ql_log_info, vha, 0x506d,
6599                     "This board is not MCTP capable\n");
6600                 return rval;
6601         }
6602
6603         if (!ha->mctp_dump) {
6604                 ha->mctp_dump = dma_alloc_coherent(&ha->pdev->dev,
6605                     MCTP_DUMP_SIZE, &ha->mctp_dump_dma, GFP_KERNEL);
6606
6607                 if (!ha->mctp_dump) {
6608                         ql_log(ql_log_warn, vha, 0x506e,
6609                             "Failed to allocate memory for mctp dump\n");
6610                         return rval;
6611                 }
6612         }
6613
6614 #define MCTP_DUMP_STR_ADDR      0x00000000
6615         rval = qla2x00_dump_mctp_data(vha, ha->mctp_dump_dma,
6616             MCTP_DUMP_STR_ADDR, MCTP_DUMP_SIZE/4);
6617         if (rval != QLA_SUCCESS) {
6618                 ql_log(ql_log_warn, vha, 0x506f,
6619                     "Failed to capture mctp dump\n");
6620         } else {
6621                 ql_log(ql_log_info, vha, 0x5070,
6622                     "Mctp dump capture for host (%ld/%p).\n",
6623                     vha->host_no, ha->mctp_dump);
6624                 ha->mctp_dumped = 1;
6625         }
6626
6627         if (!ha->flags.nic_core_reset_hdlr_active && !ha->portnum) {
6628                 ha->flags.nic_core_reset_hdlr_active = 1;
6629                 rval = qla83xx_restart_nic_firmware(vha);
6630                 if (rval)
6631                         /* NIC Core reset failed. */
6632                         ql_log(ql_log_warn, vha, 0x5071,
6633                             "Failed to restart nic firmware\n");
6634                 else
6635                         ql_dbg(ql_dbg_p3p, vha, 0xb084,
6636                             "Restarted NIC firmware successfully.\n");
6637                 ha->flags.nic_core_reset_hdlr_active = 0;
6638         }
6639
6640         return rval;
6641
6642 }
6643
6644 /*
6645 * qla2x00_quiesce_io
6646 * Description: This function will block the new I/Os
6647 *              Its not aborting any I/Os as context
6648 *              is not destroyed during quiescence
6649 * Arguments: scsi_qla_host_t
6650 * return   : void
6651 */
6652 void
6653 qla2x00_quiesce_io(scsi_qla_host_t *vha)
6654 {
6655         struct qla_hw_data *ha = vha->hw;
6656         struct scsi_qla_host *vp;
6657
6658         ql_dbg(ql_dbg_dpc, vha, 0x401d,
6659             "Quiescing I/O - ha=%p.\n", ha);
6660
6661         atomic_set(&ha->loop_down_timer, LOOP_DOWN_TIME);
6662         if (atomic_read(&vha->loop_state) != LOOP_DOWN) {
6663                 atomic_set(&vha->loop_state, LOOP_DOWN);
6664                 qla2x00_mark_all_devices_lost(vha);
6665                 list_for_each_entry(vp, &ha->vp_list, list)
6666                         qla2x00_mark_all_devices_lost(vp);
6667         } else {
6668                 if (!atomic_read(&vha->loop_down_timer))
6669                         atomic_set(&vha->loop_down_timer,
6670                                         LOOP_DOWN_TIME);
6671         }
6672         /* Wait for pending cmds to complete */
6673         WARN_ON_ONCE(qla2x00_eh_wait_for_pending_commands(vha, 0, 0, WAIT_HOST)
6674                      != QLA_SUCCESS);
6675 }
6676
6677 void
6678 qla2x00_abort_isp_cleanup(scsi_qla_host_t *vha)
6679 {
6680         struct qla_hw_data *ha = vha->hw;
6681         struct scsi_qla_host *vp;
6682         unsigned long flags;
6683         fc_port_t *fcport;
6684         u16 i;
6685
6686         /* For ISP82XX, driver waits for completion of the commands.
6687          * online flag should be set.
6688          */
6689         if (!(IS_P3P_TYPE(ha)))
6690                 vha->flags.online = 0;
6691         ha->flags.chip_reset_done = 0;
6692         clear_bit(ISP_ABORT_NEEDED, &vha->dpc_flags);
6693         vha->qla_stats.total_isp_aborts++;
6694
6695         ql_log(ql_log_info, vha, 0x00af,
6696             "Performing ISP error recovery - ha=%p.\n", ha);
6697
6698         ha->flags.purge_mbox = 1;
6699         /* For ISP82XX, reset_chip is just disabling interrupts.
6700          * Driver waits for the completion of the commands.
6701          * the interrupts need to be enabled.
6702          */
6703         if (!(IS_P3P_TYPE(ha)))
6704                 ha->isp_ops->reset_chip(vha);
6705
6706         ha->link_data_rate = PORT_SPEED_UNKNOWN;
6707         SAVE_TOPO(ha);
6708         ha->flags.rida_fmt2 = 0;
6709         ha->flags.n2n_ae = 0;
6710         ha->flags.lip_ae = 0;
6711         ha->current_topology = 0;
6712         QLA_FW_STOPPED(ha);
6713         ha->flags.fw_init_done = 0;
6714         ha->chip_reset++;
6715         ha->base_qpair->chip_reset = ha->chip_reset;
6716         for (i = 0; i < ha->max_qpairs; i++) {
6717                 if (ha->queue_pair_map[i])
6718                         ha->queue_pair_map[i]->chip_reset =
6719                                 ha->base_qpair->chip_reset;
6720         }
6721
6722         /* purge MBox commands */
6723         if (atomic_read(&ha->num_pend_mbx_stage3)) {
6724                 clear_bit(MBX_INTR_WAIT, &ha->mbx_cmd_flags);
6725                 complete(&ha->mbx_intr_comp);
6726         }
6727
6728         i = 0;
6729         while (atomic_read(&ha->num_pend_mbx_stage3) ||
6730             atomic_read(&ha->num_pend_mbx_stage2) ||
6731             atomic_read(&ha->num_pend_mbx_stage1)) {
6732                 msleep(20);
6733                 i++;
6734                 if (i > 50)
6735                         break;
6736         }
6737         ha->flags.purge_mbox = 0;
6738
6739         atomic_set(&vha->loop_down_timer, LOOP_DOWN_TIME);
6740         if (atomic_read(&vha->loop_state) != LOOP_DOWN) {
6741                 atomic_set(&vha->loop_state, LOOP_DOWN);
6742                 qla2x00_mark_all_devices_lost(vha);
6743
6744                 spin_lock_irqsave(&ha->vport_slock, flags);
6745                 list_for_each_entry(vp, &ha->vp_list, list) {
6746                         atomic_inc(&vp->vref_count);
6747                         spin_unlock_irqrestore(&ha->vport_slock, flags);
6748
6749                         qla2x00_mark_all_devices_lost(vp);
6750
6751                         spin_lock_irqsave(&ha->vport_slock, flags);
6752                         atomic_dec(&vp->vref_count);
6753                 }
6754                 spin_unlock_irqrestore(&ha->vport_slock, flags);
6755         } else {
6756                 if (!atomic_read(&vha->loop_down_timer))
6757                         atomic_set(&vha->loop_down_timer,
6758                             LOOP_DOWN_TIME);
6759         }
6760
6761         /* Clear all async request states across all VPs. */
6762         list_for_each_entry(fcport, &vha->vp_fcports, list) {
6763                 fcport->flags &= ~(FCF_LOGIN_NEEDED | FCF_ASYNC_SENT);
6764                 fcport->scan_state = 0;
6765         }
6766         spin_lock_irqsave(&ha->vport_slock, flags);
6767         list_for_each_entry(vp, &ha->vp_list, list) {
6768                 atomic_inc(&vp->vref_count);
6769                 spin_unlock_irqrestore(&ha->vport_slock, flags);
6770
6771                 list_for_each_entry(fcport, &vp->vp_fcports, list)
6772                         fcport->flags &= ~(FCF_LOGIN_NEEDED | FCF_ASYNC_SENT);
6773
6774                 spin_lock_irqsave(&ha->vport_slock, flags);
6775                 atomic_dec(&vp->vref_count);
6776         }
6777         spin_unlock_irqrestore(&ha->vport_slock, flags);
6778
6779         if (!ha->flags.eeh_busy) {
6780                 /* Make sure for ISP 82XX IO DMA is complete */
6781                 if (IS_P3P_TYPE(ha)) {
6782                         qla82xx_chip_reset_cleanup(vha);
6783                         ql_log(ql_log_info, vha, 0x00b4,
6784                             "Done chip reset cleanup.\n");
6785
6786                         /* Done waiting for pending commands.
6787                          * Reset the online flag.
6788                          */
6789                         vha->flags.online = 0;
6790                 }
6791
6792                 /* Requeue all commands in outstanding command list. */
6793                 qla2x00_abort_all_cmds(vha, DID_RESET << 16);
6794         }
6795         /* memory barrier */
6796         wmb();
6797 }
6798
6799 /*
6800 *  qla2x00_abort_isp
6801 *      Resets ISP and aborts all outstanding commands.
6802 *
6803 * Input:
6804 *      ha           = adapter block pointer.
6805 *
6806 * Returns:
6807 *      0 = success
6808 */
6809 int
6810 qla2x00_abort_isp(scsi_qla_host_t *vha)
6811 {
6812         int rval;
6813         uint8_t        status = 0;
6814         struct qla_hw_data *ha = vha->hw;
6815         struct scsi_qla_host *vp;
6816         struct req_que *req = ha->req_q_map[0];
6817         unsigned long flags;
6818
6819         if (vha->flags.online) {
6820                 qla2x00_abort_isp_cleanup(vha);
6821
6822                 if (test_and_clear_bit(ISP_ABORT_TO_ROM, &vha->dpc_flags)) {
6823                         ha->flags.chip_reset_done = 1;
6824                         vha->flags.online = 1;
6825                         status = 0;
6826                         clear_bit(ISP_ABORT_RETRY, &vha->dpc_flags);
6827                         return status;
6828                 }
6829
6830                 if (IS_QLA8031(ha)) {
6831                         ql_dbg(ql_dbg_p3p, vha, 0xb05c,
6832                             "Clearing fcoe driver presence.\n");
6833                         if (qla83xx_clear_drv_presence(vha) != QLA_SUCCESS)
6834                                 ql_dbg(ql_dbg_p3p, vha, 0xb073,
6835                                     "Error while clearing DRV-Presence.\n");
6836                 }
6837
6838                 if (unlikely(pci_channel_offline(ha->pdev) &&
6839                     ha->flags.pci_channel_io_perm_failure)) {
6840                         clear_bit(ISP_ABORT_RETRY, &vha->dpc_flags);
6841                         status = 0;
6842                         return status;
6843                 }
6844
6845                 switch (vha->qlini_mode) {
6846                 case QLA2XXX_INI_MODE_DISABLED:
6847                         if (!qla_tgt_mode_enabled(vha))
6848                                 return 0;
6849                         break;
6850                 case QLA2XXX_INI_MODE_DUAL:
6851                         if (!qla_dual_mode_enabled(vha))
6852                                 return 0;
6853                         break;
6854                 case QLA2XXX_INI_MODE_ENABLED:
6855                 default:
6856                         break;
6857                 }
6858
6859                 ha->isp_ops->get_flash_version(vha, req->ring);
6860
6861                 ha->isp_ops->nvram_config(vha);
6862
6863                 if (!qla2x00_restart_isp(vha)) {
6864                         clear_bit(RESET_MARKER_NEEDED, &vha->dpc_flags);
6865
6866                         if (!atomic_read(&vha->loop_down_timer)) {
6867                                 /*
6868                                  * Issue marker command only when we are going
6869                                  * to start the I/O .
6870                                  */
6871                                 vha->marker_needed = 1;
6872                         }
6873
6874                         vha->flags.online = 1;
6875
6876                         ha->isp_ops->enable_intrs(ha);
6877
6878                         ha->isp_abort_cnt = 0;
6879                         clear_bit(ISP_ABORT_RETRY, &vha->dpc_flags);
6880
6881                         if (IS_QLA81XX(ha) || IS_QLA8031(ha))
6882                                 qla2x00_get_fw_version(vha);
6883                         if (ha->fce) {
6884                                 ha->flags.fce_enabled = 1;
6885                                 memset(ha->fce, 0,
6886                                     fce_calc_size(ha->fce_bufs));
6887                                 rval = qla2x00_enable_fce_trace(vha,
6888                                     ha->fce_dma, ha->fce_bufs, ha->fce_mb,
6889                                     &ha->fce_bufs);
6890                                 if (rval) {
6891                                         ql_log(ql_log_warn, vha, 0x8033,
6892                                             "Unable to reinitialize FCE "
6893                                             "(%d).\n", rval);
6894                                         ha->flags.fce_enabled = 0;
6895                                 }
6896                         }
6897
6898                         if (ha->eft) {
6899                                 memset(ha->eft, 0, EFT_SIZE);
6900                                 rval = qla2x00_enable_eft_trace(vha,
6901                                     ha->eft_dma, EFT_NUM_BUFFERS);
6902                                 if (rval) {
6903                                         ql_log(ql_log_warn, vha, 0x8034,
6904                                             "Unable to reinitialize EFT "
6905                                             "(%d).\n", rval);
6906                                 }
6907                         }
6908                 } else {        /* failed the ISP abort */
6909                         vha->flags.online = 1;
6910                         if (test_bit(ISP_ABORT_RETRY, &vha->dpc_flags)) {
6911                                 if (ha->isp_abort_cnt == 0) {
6912                                         ql_log(ql_log_fatal, vha, 0x8035,
6913                                             "ISP error recover failed - "
6914                                             "board disabled.\n");
6915                                         /*
6916                                          * The next call disables the board
6917                                          * completely.
6918                                          */
6919                                         qla2x00_abort_isp_cleanup(vha);
6920                                         vha->flags.online = 0;
6921                                         clear_bit(ISP_ABORT_RETRY,
6922                                             &vha->dpc_flags);
6923                                         status = 0;
6924                                 } else { /* schedule another ISP abort */
6925                                         ha->isp_abort_cnt--;
6926                                         ql_dbg(ql_dbg_taskm, vha, 0x8020,
6927                                             "ISP abort - retry remaining %d.\n",
6928                                             ha->isp_abort_cnt);
6929                                         status = 1;
6930                                 }
6931                         } else {
6932                                 ha->isp_abort_cnt = MAX_RETRIES_OF_ISP_ABORT;
6933                                 ql_dbg(ql_dbg_taskm, vha, 0x8021,
6934                                     "ISP error recovery - retrying (%d) "
6935                                     "more times.\n", ha->isp_abort_cnt);
6936                                 set_bit(ISP_ABORT_RETRY, &vha->dpc_flags);
6937                                 status = 1;
6938                         }
6939                 }
6940
6941         }
6942
6943         if (!status) {
6944                 ql_dbg(ql_dbg_taskm, vha, 0x8022, "%s succeeded.\n", __func__);
6945                 qla2x00_configure_hba(vha);
6946                 spin_lock_irqsave(&ha->vport_slock, flags);
6947                 list_for_each_entry(vp, &ha->vp_list, list) {
6948                         if (vp->vp_idx) {
6949                                 atomic_inc(&vp->vref_count);
6950                                 spin_unlock_irqrestore(&ha->vport_slock, flags);
6951
6952                                 qla2x00_vp_abort_isp(vp);
6953
6954                                 spin_lock_irqsave(&ha->vport_slock, flags);
6955                                 atomic_dec(&vp->vref_count);
6956                         }
6957                 }
6958                 spin_unlock_irqrestore(&ha->vport_slock, flags);
6959
6960                 if (IS_QLA8031(ha)) {
6961                         ql_dbg(ql_dbg_p3p, vha, 0xb05d,
6962                             "Setting back fcoe driver presence.\n");
6963                         if (qla83xx_set_drv_presence(vha) != QLA_SUCCESS)
6964                                 ql_dbg(ql_dbg_p3p, vha, 0xb074,
6965                                     "Error while setting DRV-Presence.\n");
6966                 }
6967         } else {
6968                 ql_log(ql_log_warn, vha, 0x8023, "%s **** FAILED ****.\n",
6969                        __func__);
6970         }
6971
6972         return(status);
6973 }
6974
6975 /*
6976 *  qla2x00_restart_isp
6977 *      restarts the ISP after a reset
6978 *
6979 * Input:
6980 *      ha = adapter block pointer.
6981 *
6982 * Returns:
6983 *      0 = success
6984 */
6985 static int
6986 qla2x00_restart_isp(scsi_qla_host_t *vha)
6987 {
6988         int status = 0;
6989         struct qla_hw_data *ha = vha->hw;
6990
6991         /* If firmware needs to be loaded */
6992         if (qla2x00_isp_firmware(vha)) {
6993                 vha->flags.online = 0;
6994                 status = ha->isp_ops->chip_diag(vha);
6995                 if (!status)
6996                         status = qla2x00_setup_chip(vha);
6997         }
6998
6999         if (!status && !(status = qla2x00_init_rings(vha))) {
7000                 clear_bit(RESET_MARKER_NEEDED, &vha->dpc_flags);
7001                 ha->flags.chip_reset_done = 1;
7002
7003                 /* Initialize the queues in use */
7004                 qla25xx_init_queues(ha);
7005
7006                 status = qla2x00_fw_ready(vha);
7007                 if (!status) {
7008                         /* Issue a marker after FW becomes ready. */
7009                         qla2x00_marker(vha, ha->base_qpair, 0, 0, MK_SYNC_ALL);
7010                         set_bit(LOOP_RESYNC_NEEDED, &vha->dpc_flags);
7011                 }
7012
7013                 /* if no cable then assume it's good */
7014                 if ((vha->device_flags & DFLG_NO_CABLE))
7015                         status = 0;
7016         }
7017         return (status);
7018 }
7019
7020 static int
7021 qla25xx_init_queues(struct qla_hw_data *ha)
7022 {
7023         struct rsp_que *rsp = NULL;
7024         struct req_que *req = NULL;
7025         struct scsi_qla_host *base_vha = pci_get_drvdata(ha->pdev);
7026         int ret = -1;
7027         int i;
7028
7029         for (i = 1; i < ha->max_rsp_queues; i++) {
7030                 rsp = ha->rsp_q_map[i];
7031                 if (rsp && test_bit(i, ha->rsp_qid_map)) {
7032                         rsp->options &= ~BIT_0;
7033                         ret = qla25xx_init_rsp_que(base_vha, rsp);
7034                         if (ret != QLA_SUCCESS)
7035                                 ql_dbg(ql_dbg_init, base_vha, 0x00ff,
7036                                     "%s Rsp que: %d init failed.\n",
7037                                     __func__, rsp->id);
7038                         else
7039                                 ql_dbg(ql_dbg_init, base_vha, 0x0100,
7040                                     "%s Rsp que: %d inited.\n",
7041                                     __func__, rsp->id);
7042                 }
7043         }
7044         for (i = 1; i < ha->max_req_queues; i++) {
7045                 req = ha->req_q_map[i];
7046                 if (req && test_bit(i, ha->req_qid_map)) {
7047                         /* Clear outstanding commands array. */
7048                         req->options &= ~BIT_0;
7049                         ret = qla25xx_init_req_que(base_vha, req);
7050                         if (ret != QLA_SUCCESS)
7051                                 ql_dbg(ql_dbg_init, base_vha, 0x0101,
7052                                     "%s Req que: %d init failed.\n",
7053                                     __func__, req->id);
7054                         else
7055                                 ql_dbg(ql_dbg_init, base_vha, 0x0102,
7056                                     "%s Req que: %d inited.\n",
7057                                     __func__, req->id);
7058                 }
7059         }
7060         return ret;
7061 }
7062
7063 /*
7064 * qla2x00_reset_adapter
7065 *      Reset adapter.
7066 *
7067 * Input:
7068 *      ha = adapter block pointer.
7069 */
7070 int
7071 qla2x00_reset_adapter(scsi_qla_host_t *vha)
7072 {
7073         unsigned long flags = 0;
7074         struct qla_hw_data *ha = vha->hw;
7075         struct device_reg_2xxx __iomem *reg = &ha->iobase->isp;
7076
7077         vha->flags.online = 0;
7078         ha->isp_ops->disable_intrs(ha);
7079
7080         spin_lock_irqsave(&ha->hardware_lock, flags);
7081         WRT_REG_WORD(&reg->hccr, HCCR_RESET_RISC);
7082         RD_REG_WORD(&reg->hccr);                        /* PCI Posting. */
7083         WRT_REG_WORD(&reg->hccr, HCCR_RELEASE_RISC);
7084         RD_REG_WORD(&reg->hccr);                        /* PCI Posting. */
7085         spin_unlock_irqrestore(&ha->hardware_lock, flags);
7086
7087         return QLA_SUCCESS;
7088 }
7089
7090 int
7091 qla24xx_reset_adapter(scsi_qla_host_t *vha)
7092 {
7093         unsigned long flags = 0;
7094         struct qla_hw_data *ha = vha->hw;
7095         struct device_reg_24xx __iomem *reg = &ha->iobase->isp24;
7096         int rval = QLA_SUCCESS;
7097
7098         if (IS_P3P_TYPE(ha))
7099                 return rval;
7100
7101         vha->flags.online = 0;
7102         ha->isp_ops->disable_intrs(ha);
7103
7104         spin_lock_irqsave(&ha->hardware_lock, flags);
7105         WRT_REG_DWORD(&reg->hccr, HCCRX_SET_RISC_RESET);
7106         RD_REG_DWORD(&reg->hccr);
7107         WRT_REG_DWORD(&reg->hccr, HCCRX_REL_RISC_PAUSE);
7108         RD_REG_DWORD(&reg->hccr);
7109         spin_unlock_irqrestore(&ha->hardware_lock, flags);
7110
7111         if (IS_NOPOLLING_TYPE(ha))
7112                 ha->isp_ops->enable_intrs(ha);
7113
7114         return rval;
7115 }
7116
7117 /* On sparc systems, obtain port and node WWN from firmware
7118  * properties.
7119  */
7120 static void qla24xx_nvram_wwn_from_ofw(scsi_qla_host_t *vha,
7121         struct nvram_24xx *nv)
7122 {
7123 #ifdef CONFIG_SPARC
7124         struct qla_hw_data *ha = vha->hw;
7125         struct pci_dev *pdev = ha->pdev;
7126         struct device_node *dp = pci_device_to_OF_node(pdev);
7127         const u8 *val;
7128         int len;
7129
7130         val = of_get_property(dp, "port-wwn", &len);
7131         if (val && len >= WWN_SIZE)
7132                 memcpy(nv->port_name, val, WWN_SIZE);
7133
7134         val = of_get_property(dp, "node-wwn", &len);
7135         if (val && len >= WWN_SIZE)
7136                 memcpy(nv->node_name, val, WWN_SIZE);
7137 #endif
7138 }
7139
7140 int
7141 qla24xx_nvram_config(scsi_qla_host_t *vha)
7142 {
7143         int   rval;
7144         struct init_cb_24xx *icb;
7145         struct nvram_24xx *nv;
7146         uint32_t *dptr;
7147         uint8_t  *dptr1, *dptr2;
7148         uint32_t chksum;
7149         uint16_t cnt;
7150         struct qla_hw_data *ha = vha->hw;
7151
7152         rval = QLA_SUCCESS;
7153         icb = (struct init_cb_24xx *)ha->init_cb;
7154         nv = ha->nvram;
7155
7156         /* Determine NVRAM starting address. */
7157         if (ha->port_no == 0) {
7158                 ha->nvram_base = FA_NVRAM_FUNC0_ADDR;
7159                 ha->vpd_base = FA_NVRAM_VPD0_ADDR;
7160         } else {
7161                 ha->nvram_base = FA_NVRAM_FUNC1_ADDR;
7162                 ha->vpd_base = FA_NVRAM_VPD1_ADDR;
7163         }
7164
7165         ha->nvram_size = sizeof(*nv);
7166         ha->vpd_size = FA_NVRAM_VPD_SIZE;
7167
7168         /* Get VPD data into cache */
7169         ha->vpd = ha->nvram + VPD_OFFSET;
7170         ha->isp_ops->read_nvram(vha, ha->vpd,
7171             ha->nvram_base - FA_NVRAM_FUNC0_ADDR, FA_NVRAM_VPD_SIZE * 4);
7172
7173         /* Get NVRAM data into cache and calculate checksum. */
7174         dptr = (uint32_t *)nv;
7175         ha->isp_ops->read_nvram(vha, dptr, ha->nvram_base, ha->nvram_size);
7176         for (cnt = 0, chksum = 0; cnt < ha->nvram_size >> 2; cnt++, dptr++)
7177                 chksum += le32_to_cpu(*dptr);
7178
7179         ql_dbg(ql_dbg_init + ql_dbg_buffer, vha, 0x006a,
7180             "Contents of NVRAM\n");
7181         ql_dump_buffer(ql_dbg_init + ql_dbg_buffer, vha, 0x010d,
7182             nv, ha->nvram_size);
7183
7184         /* Bad NVRAM data, set defaults parameters. */
7185         if (chksum || memcmp("ISP ", nv->id, sizeof(nv->id)) ||
7186             le16_to_cpu(nv->nvram_version) < ICB_VERSION) {
7187                 /* Reset NVRAM data. */
7188                 ql_log(ql_log_warn, vha, 0x006b,
7189                     "Inconsistent NVRAM checksum=%#x id=%.4s version=%#x.\n",
7190                     chksum, nv->id, nv->nvram_version);
7191                 ql_dump_buffer(ql_dbg_init, vha, 0x006b, nv, sizeof(*nv));
7192                 ql_log(ql_log_warn, vha, 0x006c,
7193                     "Falling back to functioning (yet invalid -- WWPN) "
7194                     "defaults.\n");
7195
7196                 /*
7197                  * Set default initialization control block.
7198                  */
7199                 memset(nv, 0, ha->nvram_size);
7200                 nv->nvram_version = cpu_to_le16(ICB_VERSION);
7201                 nv->version = cpu_to_le16(ICB_VERSION);
7202                 nv->frame_payload_size = 2048;
7203                 nv->execution_throttle = cpu_to_le16(0xFFFF);
7204                 nv->exchange_count = cpu_to_le16(0);
7205                 nv->hard_address = cpu_to_le16(124);
7206                 nv->port_name[0] = 0x21;
7207                 nv->port_name[1] = 0x00 + ha->port_no + 1;
7208                 nv->port_name[2] = 0x00;
7209                 nv->port_name[3] = 0xe0;
7210                 nv->port_name[4] = 0x8b;
7211                 nv->port_name[5] = 0x1c;
7212                 nv->port_name[6] = 0x55;
7213                 nv->port_name[7] = 0x86;
7214                 nv->node_name[0] = 0x20;
7215                 nv->node_name[1] = 0x00;
7216                 nv->node_name[2] = 0x00;
7217                 nv->node_name[3] = 0xe0;
7218                 nv->node_name[4] = 0x8b;
7219                 nv->node_name[5] = 0x1c;
7220                 nv->node_name[6] = 0x55;
7221                 nv->node_name[7] = 0x86;
7222                 qla24xx_nvram_wwn_from_ofw(vha, nv);
7223                 nv->login_retry_count = cpu_to_le16(8);
7224                 nv->interrupt_delay_timer = cpu_to_le16(0);
7225                 nv->login_timeout = cpu_to_le16(0);
7226                 nv->firmware_options_1 =
7227                     cpu_to_le32(BIT_14|BIT_13|BIT_2|BIT_1);
7228                 nv->firmware_options_2 = cpu_to_le32(2 << 4);
7229                 nv->firmware_options_2 |= cpu_to_le32(BIT_12);
7230                 nv->firmware_options_3 = cpu_to_le32(2 << 13);
7231                 nv->host_p = cpu_to_le32(BIT_11|BIT_10);
7232                 nv->efi_parameters = cpu_to_le32(0);
7233                 nv->reset_delay = 5;
7234                 nv->max_luns_per_target = cpu_to_le16(128);
7235                 nv->port_down_retry_count = cpu_to_le16(30);
7236                 nv->link_down_timeout = cpu_to_le16(30);
7237
7238                 rval = 1;
7239         }
7240
7241         if (qla_tgt_mode_enabled(vha)) {
7242                 /* Don't enable full login after initial LIP */
7243                 nv->firmware_options_1 &= cpu_to_le32(~BIT_13);
7244                 /* Don't enable LIP full login for initiator */
7245                 nv->host_p &= cpu_to_le32(~BIT_10);
7246         }
7247
7248         qlt_24xx_config_nvram_stage1(vha, nv);
7249
7250         /* Reset Initialization control block */
7251         memset(icb, 0, ha->init_cb_size);
7252
7253         /* Copy 1st segment. */
7254         dptr1 = (uint8_t *)icb;
7255         dptr2 = (uint8_t *)&nv->version;
7256         cnt = (uint8_t *)&icb->response_q_inpointer - (uint8_t *)&icb->version;
7257         while (cnt--)
7258                 *dptr1++ = *dptr2++;
7259
7260         icb->login_retry_count = nv->login_retry_count;
7261         icb->link_down_on_nos = nv->link_down_on_nos;
7262
7263         /* Copy 2nd segment. */
7264         dptr1 = (uint8_t *)&icb->interrupt_delay_timer;
7265         dptr2 = (uint8_t *)&nv->interrupt_delay_timer;
7266         cnt = (uint8_t *)&icb->reserved_3 -
7267             (uint8_t *)&icb->interrupt_delay_timer;
7268         while (cnt--)
7269                 *dptr1++ = *dptr2++;
7270         ha->frame_payload_size = le16_to_cpu(icb->frame_payload_size);
7271         /*
7272          * Setup driver NVRAM options.
7273          */
7274         qla2x00_set_model_info(vha, nv->model_name, sizeof(nv->model_name),
7275             "QLA2462");
7276
7277         qlt_24xx_config_nvram_stage2(vha, icb);
7278
7279         if (nv->host_p & cpu_to_le32(BIT_15)) {
7280                 /* Use alternate WWN? */
7281                 memcpy(icb->node_name, nv->alternate_node_name, WWN_SIZE);
7282                 memcpy(icb->port_name, nv->alternate_port_name, WWN_SIZE);
7283         }
7284
7285         /* Prepare nodename */
7286         if ((icb->firmware_options_1 & cpu_to_le32(BIT_14)) == 0) {
7287                 /*
7288                  * Firmware will apply the following mask if the nodename was
7289                  * not provided.
7290                  */
7291                 memcpy(icb->node_name, icb->port_name, WWN_SIZE);
7292                 icb->node_name[0] &= 0xF0;
7293         }
7294
7295         /* Set host adapter parameters. */
7296         ha->flags.disable_risc_code_load = 0;
7297         ha->flags.enable_lip_reset = 0;
7298         ha->flags.enable_lip_full_login =
7299             le32_to_cpu(nv->host_p) & BIT_10 ? 1 : 0;
7300         ha->flags.enable_target_reset =
7301             le32_to_cpu(nv->host_p) & BIT_11 ? 1 : 0;
7302         ha->flags.enable_led_scheme = 0;
7303         ha->flags.disable_serdes = le32_to_cpu(nv->host_p) & BIT_5 ? 1 : 0;
7304
7305         ha->operating_mode = (le32_to_cpu(icb->firmware_options_2) &
7306             (BIT_6 | BIT_5 | BIT_4)) >> 4;
7307
7308         memcpy(ha->fw_seriallink_options24, nv->seriallink_options,
7309             sizeof(ha->fw_seriallink_options24));
7310
7311         /* save HBA serial number */
7312         ha->serial0 = icb->port_name[5];
7313         ha->serial1 = icb->port_name[6];
7314         ha->serial2 = icb->port_name[7];
7315         memcpy(vha->node_name, icb->node_name, WWN_SIZE);
7316         memcpy(vha->port_name, icb->port_name, WWN_SIZE);
7317
7318         icb->execution_throttle = cpu_to_le16(0xFFFF);
7319
7320         ha->retry_count = le16_to_cpu(nv->login_retry_count);
7321
7322         /* Set minimum login_timeout to 4 seconds. */
7323         if (le16_to_cpu(nv->login_timeout) < ql2xlogintimeout)
7324                 nv->login_timeout = cpu_to_le16(ql2xlogintimeout);
7325         if (le16_to_cpu(nv->login_timeout) < 4)
7326                 nv->login_timeout = cpu_to_le16(4);
7327         ha->login_timeout = le16_to_cpu(nv->login_timeout);
7328
7329         /* Set minimum RATOV to 100 tenths of a second. */
7330         ha->r_a_tov = 100;
7331
7332         ha->loop_reset_delay = nv->reset_delay;
7333
7334         /* Link Down Timeout = 0:
7335          *
7336          *      When Port Down timer expires we will start returning
7337          *      I/O's to OS with "DID_NO_CONNECT".
7338          *
7339          * Link Down Timeout != 0:
7340          *
7341          *       The driver waits for the link to come up after link down
7342          *       before returning I/Os to OS with "DID_NO_CONNECT".
7343          */
7344         if (le16_to_cpu(nv->link_down_timeout) == 0) {
7345                 ha->loop_down_abort_time =
7346                     (LOOP_DOWN_TIME - LOOP_DOWN_TIMEOUT);
7347         } else {
7348                 ha->link_down_timeout = le16_to_cpu(nv->link_down_timeout);
7349                 ha->loop_down_abort_time =
7350                     (LOOP_DOWN_TIME - ha->link_down_timeout);
7351         }
7352
7353         /* Need enough time to try and get the port back. */
7354         ha->port_down_retry_count = le16_to_cpu(nv->port_down_retry_count);
7355         if (qlport_down_retry)
7356                 ha->port_down_retry_count = qlport_down_retry;
7357
7358         /* Set login_retry_count */
7359         ha->login_retry_count  = le16_to_cpu(nv->login_retry_count);
7360         if (ha->port_down_retry_count ==
7361             le16_to_cpu(nv->port_down_retry_count) &&
7362             ha->port_down_retry_count > 3)
7363                 ha->login_retry_count = ha->port_down_retry_count;
7364         else if (ha->port_down_retry_count > (int)ha->login_retry_count)
7365                 ha->login_retry_count = ha->port_down_retry_count;
7366         if (ql2xloginretrycount)
7367                 ha->login_retry_count = ql2xloginretrycount;
7368
7369         /* N2N: driver will initiate Login instead of FW */
7370         icb->firmware_options_3 |= BIT_8;
7371
7372         /* Enable ZIO. */
7373         if (!vha->flags.init_done) {
7374                 ha->zio_mode = le32_to_cpu(icb->firmware_options_2) &
7375                     (BIT_3 | BIT_2 | BIT_1 | BIT_0);
7376                 ha->zio_timer = le16_to_cpu(icb->interrupt_delay_timer) ?
7377                     le16_to_cpu(icb->interrupt_delay_timer) : 2;
7378         }
7379         icb->firmware_options_2 &= cpu_to_le32(
7380             ~(BIT_3 | BIT_2 | BIT_1 | BIT_0));
7381         if (ha->zio_mode != QLA_ZIO_DISABLED) {
7382                 ha->zio_mode = QLA_ZIO_MODE_6;
7383
7384                 ql_log(ql_log_info, vha, 0x006f,
7385                     "ZIO mode %d enabled; timer delay (%d us).\n",
7386                     ha->zio_mode, ha->zio_timer * 100);
7387
7388                 icb->firmware_options_2 |= cpu_to_le32(
7389                     (uint32_t)ha->zio_mode);
7390                 icb->interrupt_delay_timer = cpu_to_le16(ha->zio_timer);
7391         }
7392
7393         if (rval) {
7394                 ql_log(ql_log_warn, vha, 0x0070,
7395                     "NVRAM configuration failed.\n");
7396         }
7397         return (rval);
7398 }
7399
7400 static void
7401 qla27xx_print_image(struct scsi_qla_host *vha, char *name,
7402     struct qla27xx_image_status *image_status)
7403 {
7404         ql_dbg(ql_dbg_init, vha, 0x018b,
7405             "%s %s: mask=%#02x gen=%#04x ver=%u.%u map=%#01x sum=%#08x sig=%#08x\n",
7406             name, "status",
7407             image_status->image_status_mask,
7408             le16_to_cpu(image_status->generation),
7409             image_status->ver_major,
7410             image_status->ver_minor,
7411             image_status->bitmap,
7412             le32_to_cpu(image_status->checksum),
7413             le32_to_cpu(image_status->signature));
7414 }
7415
7416 static bool
7417 qla28xx_check_aux_image_status_signature(
7418     struct qla27xx_image_status *image_status)
7419 {
7420         ulong signature = le32_to_cpu(image_status->signature);
7421
7422         return signature != QLA28XX_AUX_IMG_STATUS_SIGN;
7423 }
7424
7425 static bool
7426 qla27xx_check_image_status_signature(struct qla27xx_image_status *image_status)
7427 {
7428         ulong signature = le32_to_cpu(image_status->signature);
7429
7430         return
7431             signature != QLA27XX_IMG_STATUS_SIGN &&
7432             signature != QLA28XX_IMG_STATUS_SIGN;
7433 }
7434
7435 static ulong
7436 qla27xx_image_status_checksum(struct qla27xx_image_status *image_status)
7437 {
7438         uint32_t *p = (void *)image_status;
7439         uint n = sizeof(*image_status) / sizeof(*p);
7440         uint32_t sum = 0;
7441
7442         for ( ; n--; p++)
7443                 sum += le32_to_cpup(p);
7444
7445         return sum;
7446 }
7447
7448 static inline uint
7449 qla28xx_component_bitmask(struct qla27xx_image_status *aux, uint bitmask)
7450 {
7451         return aux->bitmap & bitmask ?
7452             QLA27XX_SECONDARY_IMAGE : QLA27XX_PRIMARY_IMAGE;
7453 }
7454
7455 static void
7456 qla28xx_component_status(
7457     struct active_regions *active_regions, struct qla27xx_image_status *aux)
7458 {
7459         active_regions->aux.board_config =
7460             qla28xx_component_bitmask(aux, QLA28XX_AUX_IMG_BOARD_CONFIG);
7461
7462         active_regions->aux.vpd_nvram =
7463             qla28xx_component_bitmask(aux, QLA28XX_AUX_IMG_VPD_NVRAM);
7464
7465         active_regions->aux.npiv_config_0_1 =
7466             qla28xx_component_bitmask(aux, QLA28XX_AUX_IMG_NPIV_CONFIG_0_1);
7467
7468         active_regions->aux.npiv_config_2_3 =
7469             qla28xx_component_bitmask(aux, QLA28XX_AUX_IMG_NPIV_CONFIG_2_3);
7470 }
7471
7472 static int
7473 qla27xx_compare_image_generation(
7474     struct qla27xx_image_status *pri_image_status,
7475     struct qla27xx_image_status *sec_image_status)
7476 {
7477         /* calculate generation delta as uint16 (this accounts for wrap) */
7478         int16_t delta =
7479             le16_to_cpu(pri_image_status->generation) -
7480             le16_to_cpu(sec_image_status->generation);
7481
7482         ql_dbg(ql_dbg_init, NULL, 0x0180, "generation delta = %d\n", delta);
7483
7484         return delta;
7485 }
7486
7487 void
7488 qla28xx_get_aux_images(
7489         struct scsi_qla_host *vha, struct active_regions *active_regions)
7490 {
7491         struct qla_hw_data *ha = vha->hw;
7492         struct qla27xx_image_status pri_aux_image_status, sec_aux_image_status;
7493         bool valid_pri_image = false, valid_sec_image = false;
7494         bool active_pri_image = false, active_sec_image = false;
7495
7496         if (!ha->flt_region_aux_img_status_pri) {
7497                 ql_dbg(ql_dbg_init, vha, 0x018a, "Primary aux image not addressed\n");
7498                 goto check_sec_image;
7499         }
7500
7501         qla24xx_read_flash_data(vha, (void *)&pri_aux_image_status,
7502             ha->flt_region_aux_img_status_pri,
7503             sizeof(pri_aux_image_status) >> 2);
7504         qla27xx_print_image(vha, "Primary aux image", &pri_aux_image_status);
7505
7506         if (qla28xx_check_aux_image_status_signature(&pri_aux_image_status)) {
7507                 ql_dbg(ql_dbg_init, vha, 0x018b,
7508                     "Primary aux image signature (%#x) not valid\n",
7509                     le32_to_cpu(pri_aux_image_status.signature));
7510                 goto check_sec_image;
7511         }
7512
7513         if (qla27xx_image_status_checksum(&pri_aux_image_status)) {
7514                 ql_dbg(ql_dbg_init, vha, 0x018c,
7515                     "Primary aux image checksum failed\n");
7516                 goto check_sec_image;
7517         }
7518
7519         valid_pri_image = true;
7520
7521         if (pri_aux_image_status.image_status_mask & 1) {
7522                 ql_dbg(ql_dbg_init, vha, 0x018d,
7523                     "Primary aux image is active\n");
7524                 active_pri_image = true;
7525         }
7526
7527 check_sec_image:
7528         if (!ha->flt_region_aux_img_status_sec) {
7529                 ql_dbg(ql_dbg_init, vha, 0x018a,
7530                     "Secondary aux image not addressed\n");
7531                 goto check_valid_image;
7532         }
7533
7534         qla24xx_read_flash_data(vha, (void *)&sec_aux_image_status,
7535             ha->flt_region_aux_img_status_sec,
7536             sizeof(sec_aux_image_status) >> 2);
7537         qla27xx_print_image(vha, "Secondary aux image", &sec_aux_image_status);
7538
7539         if (qla28xx_check_aux_image_status_signature(&sec_aux_image_status)) {
7540                 ql_dbg(ql_dbg_init, vha, 0x018b,
7541                     "Secondary aux image signature (%#x) not valid\n",
7542                     le32_to_cpu(sec_aux_image_status.signature));
7543                 goto check_valid_image;
7544         }
7545
7546         if (qla27xx_image_status_checksum(&sec_aux_image_status)) {
7547                 ql_dbg(ql_dbg_init, vha, 0x018c,
7548                     "Secondary aux image checksum failed\n");
7549                 goto check_valid_image;
7550         }
7551
7552         valid_sec_image = true;
7553
7554         if (sec_aux_image_status.image_status_mask & 1) {
7555                 ql_dbg(ql_dbg_init, vha, 0x018d,
7556                     "Secondary aux image is active\n");
7557                 active_sec_image = true;
7558         }
7559
7560 check_valid_image:
7561         if (valid_pri_image && active_pri_image &&
7562             valid_sec_image && active_sec_image) {
7563                 if (qla27xx_compare_image_generation(&pri_aux_image_status,
7564                     &sec_aux_image_status) >= 0) {
7565                         qla28xx_component_status(active_regions,
7566                             &pri_aux_image_status);
7567                 } else {
7568                         qla28xx_component_status(active_regions,
7569                             &sec_aux_image_status);
7570                 }
7571         } else if (valid_pri_image && active_pri_image) {
7572                 qla28xx_component_status(active_regions, &pri_aux_image_status);
7573         } else if (valid_sec_image && active_sec_image) {
7574                 qla28xx_component_status(active_regions, &sec_aux_image_status);
7575         }
7576
7577         ql_dbg(ql_dbg_init, vha, 0x018f,
7578             "aux images active: BCFG=%u VPD/NVR=%u NPIV0/1=%u NPIV2/3=%u\n",
7579             active_regions->aux.board_config,
7580             active_regions->aux.vpd_nvram,
7581             active_regions->aux.npiv_config_0_1,
7582             active_regions->aux.npiv_config_2_3);
7583 }
7584
7585 void
7586 qla27xx_get_active_image(struct scsi_qla_host *vha,
7587     struct active_regions *active_regions)
7588 {
7589         struct qla_hw_data *ha = vha->hw;
7590         struct qla27xx_image_status pri_image_status, sec_image_status;
7591         bool valid_pri_image = false, valid_sec_image = false;
7592         bool active_pri_image = false, active_sec_image = false;
7593
7594         if (!ha->flt_region_img_status_pri) {
7595                 ql_dbg(ql_dbg_init, vha, 0x018a, "Primary image not addressed\n");
7596                 goto check_sec_image;
7597         }
7598
7599         if (qla24xx_read_flash_data(vha, (void *)(&pri_image_status),
7600             ha->flt_region_img_status_pri, sizeof(pri_image_status) >> 2) !=
7601             QLA_SUCCESS) {
7602                 WARN_ON_ONCE(true);
7603                 goto check_sec_image;
7604         }
7605         qla27xx_print_image(vha, "Primary image", &pri_image_status);
7606
7607         if (qla27xx_check_image_status_signature(&pri_image_status)) {
7608                 ql_dbg(ql_dbg_init, vha, 0x018b,
7609                     "Primary image signature (%#x) not valid\n",
7610                     le32_to_cpu(pri_image_status.signature));
7611                 goto check_sec_image;
7612         }
7613
7614         if (qla27xx_image_status_checksum(&pri_image_status)) {
7615                 ql_dbg(ql_dbg_init, vha, 0x018c,
7616                     "Primary image checksum failed\n");
7617                 goto check_sec_image;
7618         }
7619
7620         valid_pri_image = true;
7621
7622         if (pri_image_status.image_status_mask & 1) {
7623                 ql_dbg(ql_dbg_init, vha, 0x018d,
7624                     "Primary image is active\n");
7625                 active_pri_image = true;
7626         }
7627
7628 check_sec_image:
7629         if (!ha->flt_region_img_status_sec) {
7630                 ql_dbg(ql_dbg_init, vha, 0x018a, "Secondary image not addressed\n");
7631                 goto check_valid_image;
7632         }
7633
7634         qla24xx_read_flash_data(vha, (uint32_t *)(&sec_image_status),
7635             ha->flt_region_img_status_sec, sizeof(sec_image_status) >> 2);
7636         qla27xx_print_image(vha, "Secondary image", &sec_image_status);
7637
7638         if (qla27xx_check_image_status_signature(&sec_image_status)) {
7639                 ql_dbg(ql_dbg_init, vha, 0x018b,
7640                     "Secondary image signature (%#x) not valid\n",
7641                     le32_to_cpu(sec_image_status.signature));
7642                 goto check_valid_image;
7643         }
7644
7645         if (qla27xx_image_status_checksum(&sec_image_status)) {
7646                 ql_dbg(ql_dbg_init, vha, 0x018c,
7647                     "Secondary image checksum failed\n");
7648                 goto check_valid_image;
7649         }
7650
7651         valid_sec_image = true;
7652
7653         if (sec_image_status.image_status_mask & 1) {
7654                 ql_dbg(ql_dbg_init, vha, 0x018d,
7655                     "Secondary image is active\n");
7656                 active_sec_image = true;
7657         }
7658
7659 check_valid_image:
7660         if (valid_pri_image && active_pri_image)
7661                 active_regions->global = QLA27XX_PRIMARY_IMAGE;
7662
7663         if (valid_sec_image && active_sec_image) {
7664                 if (!active_regions->global ||
7665                     qla27xx_compare_image_generation(
7666                         &pri_image_status, &sec_image_status) < 0) {
7667                         active_regions->global = QLA27XX_SECONDARY_IMAGE;
7668                 }
7669         }
7670
7671         ql_dbg(ql_dbg_init, vha, 0x018f, "active image %s (%u)\n",
7672             active_regions->global == QLA27XX_DEFAULT_IMAGE ?
7673                 "default (boot/fw)" :
7674             active_regions->global == QLA27XX_PRIMARY_IMAGE ?
7675                 "primary" :
7676             active_regions->global == QLA27XX_SECONDARY_IMAGE ?
7677                 "secondary" : "invalid",
7678             active_regions->global);
7679 }
7680
7681 bool qla24xx_risc_firmware_invalid(uint32_t *dword)
7682 {
7683         return
7684             !(dword[4] | dword[5] | dword[6] | dword[7]) ||
7685             !(~dword[4] | ~dword[5] | ~dword[6] | ~dword[7]);
7686 }
7687
7688 static int
7689 qla24xx_load_risc_flash(scsi_qla_host_t *vha, uint32_t *srisc_addr,
7690     uint32_t faddr)
7691 {
7692         int rval;
7693         uint templates, segments, fragment;
7694         ulong i;
7695         uint j;
7696         ulong dlen;
7697         uint32_t *dcode;
7698         uint32_t risc_addr, risc_size, risc_attr = 0;
7699         struct qla_hw_data *ha = vha->hw;
7700         struct req_que *req = ha->req_q_map[0];
7701         struct fwdt *fwdt = ha->fwdt;
7702
7703         ql_dbg(ql_dbg_init, vha, 0x008b,
7704             "FW: Loading firmware from flash (%x).\n", faddr);
7705
7706         dcode = (void *)req->ring;
7707         qla24xx_read_flash_data(vha, dcode, faddr, 8);
7708         if (qla24xx_risc_firmware_invalid(dcode)) {
7709                 ql_log(ql_log_fatal, vha, 0x008c,
7710                     "Unable to verify the integrity of flash firmware "
7711                     "image.\n");
7712                 ql_log(ql_log_fatal, vha, 0x008d,
7713                     "Firmware data: %08x %08x %08x %08x.\n",
7714                     dcode[0], dcode[1], dcode[2], dcode[3]);
7715
7716                 return QLA_FUNCTION_FAILED;
7717         }
7718
7719         dcode = (void *)req->ring;
7720         *srisc_addr = 0;
7721         segments = FA_RISC_CODE_SEGMENTS;
7722         for (j = 0; j < segments; j++) {
7723                 ql_dbg(ql_dbg_init, vha, 0x008d,
7724                     "-> Loading segment %u...\n", j);
7725                 qla24xx_read_flash_data(vha, dcode, faddr, 10);
7726                 risc_addr = be32_to_cpu(dcode[2]);
7727                 risc_size = be32_to_cpu(dcode[3]);
7728                 if (!*srisc_addr) {
7729                         *srisc_addr = risc_addr;
7730                         risc_attr = be32_to_cpu(dcode[9]);
7731                 }
7732
7733                 dlen = ha->fw_transfer_size >> 2;
7734                 for (fragment = 0; risc_size; fragment++) {
7735                         if (dlen > risc_size)
7736                                 dlen = risc_size;
7737
7738                         ql_dbg(ql_dbg_init, vha, 0x008e,
7739                             "-> Loading fragment %u: %#x <- %#x (%#lx dwords)...\n",
7740                             fragment, risc_addr, faddr, dlen);
7741                         qla24xx_read_flash_data(vha, dcode, faddr, dlen);
7742                         for (i = 0; i < dlen; i++)
7743                                 dcode[i] = swab32(dcode[i]);
7744
7745                         rval = qla2x00_load_ram(vha, req->dma, risc_addr, dlen);
7746                         if (rval) {
7747                                 ql_log(ql_log_fatal, vha, 0x008f,
7748                                     "-> Failed load firmware fragment %u.\n",
7749                                     fragment);
7750                                 return QLA_FUNCTION_FAILED;
7751                         }
7752
7753                         faddr += dlen;
7754                         risc_addr += dlen;
7755                         risc_size -= dlen;
7756                 }
7757         }
7758
7759         if (!IS_QLA27XX(ha) && !IS_QLA28XX(ha))
7760                 return QLA_SUCCESS;
7761
7762         templates = (risc_attr & BIT_9) ? 2 : 1;
7763         ql_dbg(ql_dbg_init, vha, 0x0160, "-> templates = %u\n", templates);
7764         for (j = 0; j < templates; j++, fwdt++) {
7765                 if (fwdt->template)
7766                         vfree(fwdt->template);
7767                 fwdt->template = NULL;
7768                 fwdt->length = 0;
7769
7770                 dcode = (void *)req->ring;
7771                 qla24xx_read_flash_data(vha, dcode, faddr, 7);
7772                 risc_size = be32_to_cpu(dcode[2]);
7773                 ql_dbg(ql_dbg_init, vha, 0x0161,
7774                     "-> fwdt%u template array at %#x (%#x dwords)\n",
7775                     j, faddr, risc_size);
7776                 if (!risc_size || !~risc_size) {
7777                         ql_dbg(ql_dbg_init, vha, 0x0162,
7778                             "-> fwdt%u failed to read array\n", j);
7779                         goto failed;
7780                 }
7781
7782                 /* skip header and ignore checksum */
7783                 faddr += 7;
7784                 risc_size -= 8;
7785
7786                 ql_dbg(ql_dbg_init, vha, 0x0163,
7787                     "-> fwdt%u template allocate template %#x words...\n",
7788                     j, risc_size);
7789                 fwdt->template = vmalloc(risc_size * sizeof(*dcode));
7790                 if (!fwdt->template) {
7791                         ql_log(ql_log_warn, vha, 0x0164,
7792                             "-> fwdt%u failed allocate template.\n", j);
7793                         goto failed;
7794                 }
7795
7796                 dcode = fwdt->template;
7797                 qla24xx_read_flash_data(vha, dcode, faddr, risc_size);
7798
7799                 if (!qla27xx_fwdt_template_valid(dcode)) {
7800                         ql_log(ql_log_warn, vha, 0x0165,
7801                             "-> fwdt%u failed template validate\n", j);
7802                         goto failed;
7803                 }
7804
7805                 dlen = qla27xx_fwdt_template_size(dcode);
7806                 ql_dbg(ql_dbg_init, vha, 0x0166,
7807                     "-> fwdt%u template size %#lx bytes (%#lx words)\n",
7808                     j, dlen, dlen / sizeof(*dcode));
7809                 if (dlen > risc_size * sizeof(*dcode)) {
7810                         ql_log(ql_log_warn, vha, 0x0167,
7811                             "-> fwdt%u template exceeds array (%-lu bytes)\n",
7812                             j, dlen - risc_size * sizeof(*dcode));
7813                         goto failed;
7814                 }
7815
7816                 fwdt->length = dlen;
7817                 ql_dbg(ql_dbg_init, vha, 0x0168,
7818                     "-> fwdt%u loaded template ok\n", j);
7819
7820                 faddr += risc_size + 1;
7821         }
7822
7823         return QLA_SUCCESS;
7824
7825 failed:
7826         if (fwdt->template)
7827                 vfree(fwdt->template);
7828         fwdt->template = NULL;
7829         fwdt->length = 0;
7830
7831         return QLA_SUCCESS;
7832 }
7833
7834 #define QLA_FW_URL "http://ldriver.qlogic.com/firmware/"
7835
7836 int
7837 qla2x00_load_risc(scsi_qla_host_t *vha, uint32_t *srisc_addr)
7838 {
7839         int     rval;
7840         int     i, fragment;
7841         uint16_t *wcode, *fwcode;
7842         uint32_t risc_addr, risc_size, fwclen, wlen, *seg;
7843         struct fw_blob *blob;
7844         struct qla_hw_data *ha = vha->hw;
7845         struct req_que *req = ha->req_q_map[0];
7846
7847         /* Load firmware blob. */
7848         blob = qla2x00_request_firmware(vha);
7849         if (!blob) {
7850                 ql_log(ql_log_info, vha, 0x0083,
7851                     "Firmware image unavailable.\n");
7852                 ql_log(ql_log_info, vha, 0x0084,
7853                     "Firmware images can be retrieved from: "QLA_FW_URL ".\n");
7854                 return QLA_FUNCTION_FAILED;
7855         }
7856
7857         rval = QLA_SUCCESS;
7858
7859         wcode = (uint16_t *)req->ring;
7860         *srisc_addr = 0;
7861         fwcode = (uint16_t *)blob->fw->data;
7862         fwclen = 0;
7863
7864         /* Validate firmware image by checking version. */
7865         if (blob->fw->size < 8 * sizeof(uint16_t)) {
7866                 ql_log(ql_log_fatal, vha, 0x0085,
7867                     "Unable to verify integrity of firmware image (%zd).\n",
7868                     blob->fw->size);
7869                 goto fail_fw_integrity;
7870         }
7871         for (i = 0; i < 4; i++)
7872                 wcode[i] = be16_to_cpu(fwcode[i + 4]);
7873         if ((wcode[0] == 0xffff && wcode[1] == 0xffff && wcode[2] == 0xffff &&
7874             wcode[3] == 0xffff) || (wcode[0] == 0 && wcode[1] == 0 &&
7875                 wcode[2] == 0 && wcode[3] == 0)) {
7876                 ql_log(ql_log_fatal, vha, 0x0086,
7877                     "Unable to verify integrity of firmware image.\n");
7878                 ql_log(ql_log_fatal, vha, 0x0087,
7879                     "Firmware data: %04x %04x %04x %04x.\n",
7880                     wcode[0], wcode[1], wcode[2], wcode[3]);
7881                 goto fail_fw_integrity;
7882         }
7883
7884         seg = blob->segs;
7885         while (*seg && rval == QLA_SUCCESS) {
7886                 risc_addr = *seg;
7887                 *srisc_addr = *srisc_addr == 0 ? *seg : *srisc_addr;
7888                 risc_size = be16_to_cpu(fwcode[3]);
7889
7890                 /* Validate firmware image size. */
7891                 fwclen += risc_size * sizeof(uint16_t);
7892                 if (blob->fw->size < fwclen) {
7893                         ql_log(ql_log_fatal, vha, 0x0088,
7894                             "Unable to verify integrity of firmware image "
7895                             "(%zd).\n", blob->fw->size);
7896                         goto fail_fw_integrity;
7897                 }
7898
7899                 fragment = 0;
7900                 while (risc_size > 0 && rval == QLA_SUCCESS) {
7901                         wlen = (uint16_t)(ha->fw_transfer_size >> 1);
7902                         if (wlen > risc_size)
7903                                 wlen = risc_size;
7904                         ql_dbg(ql_dbg_init, vha, 0x0089,
7905                             "Loading risc segment@ risc addr %x number of "
7906                             "words 0x%x.\n", risc_addr, wlen);
7907
7908                         for (i = 0; i < wlen; i++)
7909                                 wcode[i] = swab16(fwcode[i]);
7910
7911                         rval = qla2x00_load_ram(vha, req->dma, risc_addr,
7912                             wlen);
7913                         if (rval) {
7914                                 ql_log(ql_log_fatal, vha, 0x008a,
7915                                     "Failed to load segment %d of firmware.\n",
7916                                     fragment);
7917                                 break;
7918                         }
7919
7920                         fwcode += wlen;
7921                         risc_addr += wlen;
7922                         risc_size -= wlen;
7923                         fragment++;
7924                 }
7925
7926                 /* Next segment. */
7927                 seg++;
7928         }
7929         return rval;
7930
7931 fail_fw_integrity:
7932         return QLA_FUNCTION_FAILED;
7933 }
7934
7935 static int
7936 qla24xx_load_risc_blob(scsi_qla_host_t *vha, uint32_t *srisc_addr)
7937 {
7938         int     rval;
7939         uint templates, segments, fragment;
7940         uint32_t *dcode;
7941         ulong dlen;
7942         uint32_t risc_addr, risc_size, risc_attr = 0;
7943         ulong i;
7944         uint j;
7945         struct fw_blob *blob;
7946         uint32_t *fwcode;
7947         struct qla_hw_data *ha = vha->hw;
7948         struct req_que *req = ha->req_q_map[0];
7949         struct fwdt *fwdt = ha->fwdt;
7950
7951         ql_dbg(ql_dbg_init, vha, 0x0090,
7952             "-> FW: Loading via request-firmware.\n");
7953
7954         blob = qla2x00_request_firmware(vha);
7955         if (!blob) {
7956                 ql_log(ql_log_warn, vha, 0x0092,
7957                     "-> Firmware file not found.\n");
7958
7959                 return QLA_FUNCTION_FAILED;
7960         }
7961
7962         fwcode = (void *)blob->fw->data;
7963         dcode = fwcode;
7964         if (qla24xx_risc_firmware_invalid(dcode)) {
7965                 ql_log(ql_log_fatal, vha, 0x0093,
7966                     "Unable to verify integrity of firmware image (%zd).\n",
7967                     blob->fw->size);
7968                 ql_log(ql_log_fatal, vha, 0x0095,
7969                     "Firmware data: %08x %08x %08x %08x.\n",
7970                     dcode[0], dcode[1], dcode[2], dcode[3]);
7971                 return QLA_FUNCTION_FAILED;
7972         }
7973
7974         dcode = (void *)req->ring;
7975         *srisc_addr = 0;
7976         segments = FA_RISC_CODE_SEGMENTS;
7977         for (j = 0; j < segments; j++) {
7978                 ql_dbg(ql_dbg_init, vha, 0x0096,
7979                     "-> Loading segment %u...\n", j);
7980                 risc_addr = be32_to_cpu(fwcode[2]);
7981                 risc_size = be32_to_cpu(fwcode[3]);
7982
7983                 if (!*srisc_addr) {
7984                         *srisc_addr = risc_addr;
7985                         risc_attr = be32_to_cpu(fwcode[9]);
7986                 }
7987
7988                 dlen = ha->fw_transfer_size >> 2;
7989                 for (fragment = 0; risc_size; fragment++) {
7990                         if (dlen > risc_size)
7991                                 dlen = risc_size;
7992
7993                         ql_dbg(ql_dbg_init, vha, 0x0097,
7994                             "-> Loading fragment %u: %#x <- %#x (%#lx words)...\n",
7995                             fragment, risc_addr,
7996                             (uint32_t)(fwcode - (typeof(fwcode))blob->fw->data),
7997                             dlen);
7998
7999                         for (i = 0; i < dlen; i++)
8000                                 dcode[i] = swab32(fwcode[i]);
8001
8002                         rval = qla2x00_load_ram(vha, req->dma, risc_addr, dlen);
8003                         if (rval) {
8004                                 ql_log(ql_log_fatal, vha, 0x0098,
8005                                     "-> Failed load firmware fragment %u.\n",
8006                                     fragment);
8007                                 return QLA_FUNCTION_FAILED;
8008                         }
8009
8010                         fwcode += dlen;
8011                         risc_addr += dlen;
8012                         risc_size -= dlen;
8013                 }
8014         }
8015
8016         if (!IS_QLA27XX(ha) && !IS_QLA28XX(ha))
8017                 return QLA_SUCCESS;
8018
8019         templates = (risc_attr & BIT_9) ? 2 : 1;
8020         ql_dbg(ql_dbg_init, vha, 0x0170, "-> templates = %u\n", templates);
8021         for (j = 0; j < templates; j++, fwdt++) {
8022                 if (fwdt->template)
8023                         vfree(fwdt->template);
8024                 fwdt->template = NULL;
8025                 fwdt->length = 0;
8026
8027                 risc_size = be32_to_cpu(fwcode[2]);
8028                 ql_dbg(ql_dbg_init, vha, 0x0171,
8029                     "-> fwdt%u template array at %#x (%#x dwords)\n",
8030                     j, (uint32_t)((void *)fwcode - (void *)blob->fw->data),
8031                     risc_size);
8032                 if (!risc_size || !~risc_size) {
8033                         ql_dbg(ql_dbg_init, vha, 0x0172,
8034                             "-> fwdt%u failed to read array\n", j);
8035                         goto failed;
8036                 }
8037
8038                 /* skip header and ignore checksum */
8039                 fwcode += 7;
8040                 risc_size -= 8;
8041
8042                 ql_dbg(ql_dbg_init, vha, 0x0173,
8043                     "-> fwdt%u template allocate template %#x words...\n",
8044                     j, risc_size);
8045                 fwdt->template = vmalloc(risc_size * sizeof(*dcode));
8046                 if (!fwdt->template) {
8047                         ql_log(ql_log_warn, vha, 0x0174,
8048                             "-> fwdt%u failed allocate template.\n", j);
8049                         goto failed;
8050                 }
8051
8052                 dcode = fwdt->template;
8053                 for (i = 0; i < risc_size; i++)
8054                         dcode[i] = fwcode[i];
8055
8056                 if (!qla27xx_fwdt_template_valid(dcode)) {
8057                         ql_log(ql_log_warn, vha, 0x0175,
8058                             "-> fwdt%u failed template validate\n", j);
8059                         goto failed;
8060                 }
8061
8062                 dlen = qla27xx_fwdt_template_size(dcode);
8063                 ql_dbg(ql_dbg_init, vha, 0x0176,
8064                     "-> fwdt%u template size %#lx bytes (%#lx words)\n",
8065                     j, dlen, dlen / sizeof(*dcode));
8066                 if (dlen > risc_size * sizeof(*dcode)) {
8067                         ql_log(ql_log_warn, vha, 0x0177,
8068                             "-> fwdt%u template exceeds array (%-lu bytes)\n",
8069                             j, dlen - risc_size * sizeof(*dcode));
8070                         goto failed;
8071                 }
8072
8073                 fwdt->length = dlen;
8074                 ql_dbg(ql_dbg_init, vha, 0x0178,
8075                     "-> fwdt%u loaded template ok\n", j);
8076
8077                 fwcode += risc_size + 1;
8078         }
8079
8080         return QLA_SUCCESS;
8081
8082 failed:
8083         if (fwdt->template)
8084                 vfree(fwdt->template);
8085         fwdt->template = NULL;
8086         fwdt->length = 0;
8087
8088         return QLA_SUCCESS;
8089 }
8090
8091 int
8092 qla24xx_load_risc(scsi_qla_host_t *vha, uint32_t *srisc_addr)
8093 {
8094         int rval;
8095
8096         if (ql2xfwloadbin == 1)
8097                 return qla81xx_load_risc(vha, srisc_addr);
8098
8099         /*
8100          * FW Load priority:
8101          * 1) Firmware via request-firmware interface (.bin file).
8102          * 2) Firmware residing in flash.
8103          */
8104         rval = qla24xx_load_risc_blob(vha, srisc_addr);
8105         if (rval == QLA_SUCCESS)
8106                 return rval;
8107
8108         return qla24xx_load_risc_flash(vha, srisc_addr,
8109             vha->hw->flt_region_fw);
8110 }
8111
8112 int
8113 qla81xx_load_risc(scsi_qla_host_t *vha, uint32_t *srisc_addr)
8114 {
8115         int rval;
8116         struct qla_hw_data *ha = vha->hw;
8117         struct active_regions active_regions = { };
8118
8119         if (ql2xfwloadbin == 2)
8120                 goto try_blob_fw;
8121
8122         /* FW Load priority:
8123          * 1) Firmware residing in flash.
8124          * 2) Firmware via request-firmware interface (.bin file).
8125          * 3) Golden-Firmware residing in flash -- (limited operation).
8126          */
8127
8128         if (!IS_QLA27XX(ha) && !IS_QLA28XX(ha))
8129                 goto try_primary_fw;
8130
8131         qla27xx_get_active_image(vha, &active_regions);
8132
8133         if (active_regions.global != QLA27XX_SECONDARY_IMAGE)
8134                 goto try_primary_fw;
8135
8136         ql_dbg(ql_dbg_init, vha, 0x008b,
8137             "Loading secondary firmware image.\n");
8138         rval = qla24xx_load_risc_flash(vha, srisc_addr, ha->flt_region_fw_sec);
8139         if (!rval)
8140                 return rval;
8141
8142 try_primary_fw:
8143         ql_dbg(ql_dbg_init, vha, 0x008b,
8144             "Loading primary firmware image.\n");
8145         rval = qla24xx_load_risc_flash(vha, srisc_addr, ha->flt_region_fw);
8146         if (!rval)
8147                 return rval;
8148
8149 try_blob_fw:
8150         rval = qla24xx_load_risc_blob(vha, srisc_addr);
8151         if (!rval || !ha->flt_region_gold_fw)
8152                 return rval;
8153
8154         ql_log(ql_log_info, vha, 0x0099,
8155             "Attempting to fallback to golden firmware.\n");
8156         rval = qla24xx_load_risc_flash(vha, srisc_addr, ha->flt_region_gold_fw);
8157         if (rval)
8158                 return rval;
8159
8160         ql_log(ql_log_info, vha, 0x009a, "Need firmware flash update.\n");
8161         ha->flags.running_gold_fw = 1;
8162         return rval;
8163 }
8164
8165 void
8166 qla2x00_try_to_stop_firmware(scsi_qla_host_t *vha)
8167 {
8168         int ret, retries;
8169         struct qla_hw_data *ha = vha->hw;
8170
8171         if (ha->flags.pci_channel_io_perm_failure)
8172                 return;
8173         if (!IS_FWI2_CAPABLE(ha))
8174                 return;
8175         if (!ha->fw_major_version)
8176                 return;
8177         if (!ha->flags.fw_started)
8178                 return;
8179
8180         ret = qla2x00_stop_firmware(vha);
8181         for (retries = 5; ret != QLA_SUCCESS && ret != QLA_FUNCTION_TIMEOUT &&
8182             ret != QLA_INVALID_COMMAND && retries ; retries--) {
8183                 ha->isp_ops->reset_chip(vha);
8184                 if (ha->isp_ops->chip_diag(vha) != QLA_SUCCESS)
8185                         continue;
8186                 if (qla2x00_setup_chip(vha) != QLA_SUCCESS)
8187                         continue;
8188                 ql_log(ql_log_info, vha, 0x8015,
8189                     "Attempting retry of stop-firmware command.\n");
8190                 ret = qla2x00_stop_firmware(vha);
8191         }
8192
8193         QLA_FW_STOPPED(ha);
8194         ha->flags.fw_init_done = 0;
8195 }
8196
8197 int
8198 qla24xx_configure_vhba(scsi_qla_host_t *vha)
8199 {
8200         int rval = QLA_SUCCESS;
8201         int rval2;
8202         uint16_t mb[MAILBOX_REGISTER_COUNT];
8203         struct qla_hw_data *ha = vha->hw;
8204         struct scsi_qla_host *base_vha = pci_get_drvdata(ha->pdev);
8205
8206         if (!vha->vp_idx)
8207                 return -EINVAL;
8208
8209         rval = qla2x00_fw_ready(base_vha);
8210
8211         if (rval == QLA_SUCCESS) {
8212                 clear_bit(RESET_MARKER_NEEDED, &vha->dpc_flags);
8213                 qla2x00_marker(vha, ha->base_qpair, 0, 0, MK_SYNC_ALL);
8214         }
8215
8216         vha->flags.management_server_logged_in = 0;
8217
8218         /* Login to SNS first */
8219         rval2 = ha->isp_ops->fabric_login(vha, NPH_SNS, 0xff, 0xff, 0xfc, mb,
8220             BIT_1);
8221         if (rval2 != QLA_SUCCESS || mb[0] != MBS_COMMAND_COMPLETE) {
8222                 if (rval2 == QLA_MEMORY_ALLOC_FAILED)
8223                         ql_dbg(ql_dbg_init, vha, 0x0120,
8224                             "Failed SNS login: loop_id=%x, rval2=%d\n",
8225                             NPH_SNS, rval2);
8226                 else
8227                         ql_dbg(ql_dbg_init, vha, 0x0103,
8228                             "Failed SNS login: loop_id=%x mb[0]=%x mb[1]=%x "
8229                             "mb[2]=%x mb[6]=%x mb[7]=%x.\n",
8230                             NPH_SNS, mb[0], mb[1], mb[2], mb[6], mb[7]);
8231                 return (QLA_FUNCTION_FAILED);
8232         }
8233
8234         atomic_set(&vha->loop_down_timer, 0);
8235         atomic_set(&vha->loop_state, LOOP_UP);
8236         set_bit(LOOP_RESYNC_NEEDED, &vha->dpc_flags);
8237         set_bit(LOCAL_LOOP_UPDATE, &vha->dpc_flags);
8238         rval = qla2x00_loop_resync(base_vha);
8239
8240         return rval;
8241 }
8242
8243 /* 84XX Support **************************************************************/
8244
8245 static LIST_HEAD(qla_cs84xx_list);
8246 static DEFINE_MUTEX(qla_cs84xx_mutex);
8247
8248 static struct qla_chip_state_84xx *
8249 qla84xx_get_chip(struct scsi_qla_host *vha)
8250 {
8251         struct qla_chip_state_84xx *cs84xx;
8252         struct qla_hw_data *ha = vha->hw;
8253
8254         mutex_lock(&qla_cs84xx_mutex);
8255
8256         /* Find any shared 84xx chip. */
8257         list_for_each_entry(cs84xx, &qla_cs84xx_list, list) {
8258                 if (cs84xx->bus == ha->pdev->bus) {
8259                         kref_get(&cs84xx->kref);
8260                         goto done;
8261                 }
8262         }
8263
8264         cs84xx = kzalloc(sizeof(*cs84xx), GFP_KERNEL);
8265         if (!cs84xx)
8266                 goto done;
8267
8268         kref_init(&cs84xx->kref);
8269         spin_lock_init(&cs84xx->access_lock);
8270         mutex_init(&cs84xx->fw_update_mutex);
8271         cs84xx->bus = ha->pdev->bus;
8272
8273         list_add_tail(&cs84xx->list, &qla_cs84xx_list);
8274 done:
8275         mutex_unlock(&qla_cs84xx_mutex);
8276         return cs84xx;
8277 }
8278
8279 static void
8280 __qla84xx_chip_release(struct kref *kref)
8281 {
8282         struct qla_chip_state_84xx *cs84xx =
8283             container_of(kref, struct qla_chip_state_84xx, kref);
8284
8285         mutex_lock(&qla_cs84xx_mutex);
8286         list_del(&cs84xx->list);
8287         mutex_unlock(&qla_cs84xx_mutex);
8288         kfree(cs84xx);
8289 }
8290
8291 void
8292 qla84xx_put_chip(struct scsi_qla_host *vha)
8293 {
8294         struct qla_hw_data *ha = vha->hw;
8295
8296         if (ha->cs84xx)
8297                 kref_put(&ha->cs84xx->kref, __qla84xx_chip_release);
8298 }
8299
8300 static int
8301 qla84xx_init_chip(scsi_qla_host_t *vha)
8302 {
8303         int rval;
8304         uint16_t status[2];
8305         struct qla_hw_data *ha = vha->hw;
8306
8307         mutex_lock(&ha->cs84xx->fw_update_mutex);
8308
8309         rval = qla84xx_verify_chip(vha, status);
8310
8311         mutex_unlock(&ha->cs84xx->fw_update_mutex);
8312
8313         return rval != QLA_SUCCESS || status[0] ? QLA_FUNCTION_FAILED :
8314             QLA_SUCCESS;
8315 }
8316
8317 /* 81XX Support **************************************************************/
8318
8319 int
8320 qla81xx_nvram_config(scsi_qla_host_t *vha)
8321 {
8322         int   rval;
8323         struct init_cb_81xx *icb;
8324         struct nvram_81xx *nv;
8325         uint32_t *dptr;
8326         uint8_t  *dptr1, *dptr2;
8327         uint32_t chksum;
8328         uint16_t cnt;
8329         struct qla_hw_data *ha = vha->hw;
8330         uint32_t faddr;
8331         struct active_regions active_regions = { };
8332
8333         rval = QLA_SUCCESS;
8334         icb = (struct init_cb_81xx *)ha->init_cb;
8335         nv = ha->nvram;
8336
8337         /* Determine NVRAM starting address. */
8338         ha->nvram_size = sizeof(*nv);
8339         ha->vpd_size = FA_NVRAM_VPD_SIZE;
8340         if (IS_P3P_TYPE(ha) || IS_QLA8031(ha))
8341                 ha->vpd_size = FA_VPD_SIZE_82XX;
8342
8343         if (IS_QLA28XX(ha) || IS_QLA27XX(ha))
8344                 qla28xx_get_aux_images(vha, &active_regions);
8345
8346         /* Get VPD data into cache */
8347         ha->vpd = ha->nvram + VPD_OFFSET;
8348
8349         faddr = ha->flt_region_vpd;
8350         if (IS_QLA28XX(ha)) {
8351                 if (active_regions.aux.vpd_nvram == QLA27XX_SECONDARY_IMAGE)
8352                         faddr = ha->flt_region_vpd_sec;
8353                 ql_dbg(ql_dbg_init, vha, 0x0110,
8354                     "Loading %s nvram image.\n",
8355                     active_regions.aux.vpd_nvram == QLA27XX_PRIMARY_IMAGE ?
8356                     "primary" : "secondary");
8357         }
8358         ha->isp_ops->read_optrom(vha, ha->vpd, faddr << 2, ha->vpd_size);
8359
8360         /* Get NVRAM data into cache and calculate checksum. */
8361         faddr = ha->flt_region_nvram;
8362         if (IS_QLA28XX(ha)) {
8363                 if (active_regions.aux.vpd_nvram == QLA27XX_SECONDARY_IMAGE)
8364                         faddr = ha->flt_region_nvram_sec;
8365         }
8366         ql_dbg(ql_dbg_init, vha, 0x0110,
8367             "Loading %s nvram image.\n",
8368             active_regions.aux.vpd_nvram == QLA27XX_PRIMARY_IMAGE ?
8369             "primary" : "secondary");
8370         ha->isp_ops->read_optrom(vha, ha->nvram, faddr << 2, ha->nvram_size);
8371
8372         dptr = (uint32_t *)nv;
8373         for (cnt = 0, chksum = 0; cnt < ha->nvram_size >> 2; cnt++, dptr++)
8374                 chksum += le32_to_cpu(*dptr);
8375
8376         ql_dbg(ql_dbg_init + ql_dbg_buffer, vha, 0x0111,
8377             "Contents of NVRAM:\n");
8378         ql_dump_buffer(ql_dbg_init + ql_dbg_buffer, vha, 0x0112,
8379             nv, ha->nvram_size);
8380
8381         /* Bad NVRAM data, set defaults parameters. */
8382         if (chksum || memcmp("ISP ", nv->id, sizeof(nv->id)) ||
8383             le16_to_cpu(nv->nvram_version) < ICB_VERSION) {
8384                 /* Reset NVRAM data. */
8385                 ql_log(ql_log_info, vha, 0x0073,
8386                     "Inconsistent NVRAM checksum=%#x id=%.4s version=%#x.\n",
8387                     chksum, nv->id, le16_to_cpu(nv->nvram_version));
8388                 ql_dump_buffer(ql_dbg_init, vha, 0x0073, nv, sizeof(*nv));
8389                 ql_log(ql_log_info, vha, 0x0074,
8390                     "Falling back to functioning (yet invalid -- WWPN) "
8391                     "defaults.\n");
8392
8393                 /*
8394                  * Set default initialization control block.
8395                  */
8396                 memset(nv, 0, ha->nvram_size);
8397                 nv->nvram_version = cpu_to_le16(ICB_VERSION);
8398                 nv->version = cpu_to_le16(ICB_VERSION);
8399                 nv->frame_payload_size = 2048;
8400                 nv->execution_throttle = cpu_to_le16(0xFFFF);
8401                 nv->exchange_count = cpu_to_le16(0);
8402                 nv->port_name[0] = 0x21;
8403                 nv->port_name[1] = 0x00 + ha->port_no + 1;
8404                 nv->port_name[2] = 0x00;
8405                 nv->port_name[3] = 0xe0;
8406                 nv->port_name[4] = 0x8b;
8407                 nv->port_name[5] = 0x1c;
8408                 nv->port_name[6] = 0x55;
8409                 nv->port_name[7] = 0x86;
8410                 nv->node_name[0] = 0x20;
8411                 nv->node_name[1] = 0x00;
8412                 nv->node_name[2] = 0x00;
8413                 nv->node_name[3] = 0xe0;
8414                 nv->node_name[4] = 0x8b;
8415                 nv->node_name[5] = 0x1c;
8416                 nv->node_name[6] = 0x55;
8417                 nv->node_name[7] = 0x86;
8418                 nv->login_retry_count = cpu_to_le16(8);
8419                 nv->interrupt_delay_timer = cpu_to_le16(0);
8420                 nv->login_timeout = cpu_to_le16(0);
8421                 nv->firmware_options_1 =
8422                     cpu_to_le32(BIT_14|BIT_13|BIT_2|BIT_1);
8423                 nv->firmware_options_2 = cpu_to_le32(2 << 4);
8424                 nv->firmware_options_2 |= cpu_to_le32(BIT_12);
8425                 nv->firmware_options_3 = cpu_to_le32(2 << 13);
8426                 nv->host_p = cpu_to_le32(BIT_11|BIT_10);
8427                 nv->efi_parameters = cpu_to_le32(0);
8428                 nv->reset_delay = 5;
8429                 nv->max_luns_per_target = cpu_to_le16(128);
8430                 nv->port_down_retry_count = cpu_to_le16(30);
8431                 nv->link_down_timeout = cpu_to_le16(180);
8432                 nv->enode_mac[0] = 0x00;
8433                 nv->enode_mac[1] = 0xC0;
8434                 nv->enode_mac[2] = 0xDD;
8435                 nv->enode_mac[3] = 0x04;
8436                 nv->enode_mac[4] = 0x05;
8437                 nv->enode_mac[5] = 0x06 + ha->port_no + 1;
8438
8439                 rval = 1;
8440         }
8441
8442         if (IS_T10_PI_CAPABLE(ha))
8443                 nv->frame_payload_size &= ~7;
8444
8445         qlt_81xx_config_nvram_stage1(vha, nv);
8446
8447         /* Reset Initialization control block */
8448         memset(icb, 0, ha->init_cb_size);
8449
8450         /* Copy 1st segment. */
8451         dptr1 = (uint8_t *)icb;
8452         dptr2 = (uint8_t *)&nv->version;
8453         cnt = (uint8_t *)&icb->response_q_inpointer - (uint8_t *)&icb->version;
8454         while (cnt--)
8455                 *dptr1++ = *dptr2++;
8456
8457         icb->login_retry_count = nv->login_retry_count;
8458
8459         /* Copy 2nd segment. */
8460         dptr1 = (uint8_t *)&icb->interrupt_delay_timer;
8461         dptr2 = (uint8_t *)&nv->interrupt_delay_timer;
8462         cnt = (uint8_t *)&icb->reserved_5 -
8463             (uint8_t *)&icb->interrupt_delay_timer;
8464         while (cnt--)
8465                 *dptr1++ = *dptr2++;
8466
8467         memcpy(icb->enode_mac, nv->enode_mac, sizeof(icb->enode_mac));
8468         /* Some boards (with valid NVRAMs) still have NULL enode_mac!! */
8469         if (!memcmp(icb->enode_mac, "\0\0\0\0\0\0", sizeof(icb->enode_mac))) {
8470                 icb->enode_mac[0] = 0x00;
8471                 icb->enode_mac[1] = 0xC0;
8472                 icb->enode_mac[2] = 0xDD;
8473                 icb->enode_mac[3] = 0x04;
8474                 icb->enode_mac[4] = 0x05;
8475                 icb->enode_mac[5] = 0x06 + ha->port_no + 1;
8476         }
8477
8478         /* Use extended-initialization control block. */
8479         memcpy(ha->ex_init_cb, &nv->ex_version, sizeof(*ha->ex_init_cb));
8480         ha->frame_payload_size = le16_to_cpu(icb->frame_payload_size);
8481         /*
8482          * Setup driver NVRAM options.
8483          */
8484         qla2x00_set_model_info(vha, nv->model_name, sizeof(nv->model_name),
8485             "QLE8XXX");
8486
8487         qlt_81xx_config_nvram_stage2(vha, icb);
8488
8489         /* Use alternate WWN? */
8490         if (nv->host_p & cpu_to_le32(BIT_15)) {
8491                 memcpy(icb->node_name, nv->alternate_node_name, WWN_SIZE);
8492                 memcpy(icb->port_name, nv->alternate_port_name, WWN_SIZE);
8493         }
8494
8495         /* Prepare nodename */
8496         if ((icb->firmware_options_1 & cpu_to_le32(BIT_14)) == 0) {
8497                 /*
8498                  * Firmware will apply the following mask if the nodename was
8499                  * not provided.
8500                  */
8501                 memcpy(icb->node_name, icb->port_name, WWN_SIZE);
8502                 icb->node_name[0] &= 0xF0;
8503         }
8504
8505         /* Set host adapter parameters. */
8506         ha->flags.disable_risc_code_load = 0;
8507         ha->flags.enable_lip_reset = 0;
8508         ha->flags.enable_lip_full_login =
8509             le32_to_cpu(nv->host_p) & BIT_10 ? 1 : 0;
8510         ha->flags.enable_target_reset =
8511             le32_to_cpu(nv->host_p) & BIT_11 ? 1 : 0;
8512         ha->flags.enable_led_scheme = 0;
8513         ha->flags.disable_serdes = le32_to_cpu(nv->host_p) & BIT_5 ? 1 : 0;
8514
8515         ha->operating_mode = (le32_to_cpu(icb->firmware_options_2) &
8516             (BIT_6 | BIT_5 | BIT_4)) >> 4;
8517
8518         /* save HBA serial number */
8519         ha->serial0 = icb->port_name[5];
8520         ha->serial1 = icb->port_name[6];
8521         ha->serial2 = icb->port_name[7];
8522         memcpy(vha->node_name, icb->node_name, WWN_SIZE);
8523         memcpy(vha->port_name, icb->port_name, WWN_SIZE);
8524
8525         icb->execution_throttle = cpu_to_le16(0xFFFF);
8526
8527         ha->retry_count = le16_to_cpu(nv->login_retry_count);
8528
8529         /* Set minimum login_timeout to 4 seconds. */
8530         if (le16_to_cpu(nv->login_timeout) < ql2xlogintimeout)
8531                 nv->login_timeout = cpu_to_le16(ql2xlogintimeout);
8532         if (le16_to_cpu(nv->login_timeout) < 4)
8533                 nv->login_timeout = cpu_to_le16(4);
8534         ha->login_timeout = le16_to_cpu(nv->login_timeout);
8535
8536         /* Set minimum RATOV to 100 tenths of a second. */
8537         ha->r_a_tov = 100;
8538
8539         ha->loop_reset_delay = nv->reset_delay;
8540
8541         /* Link Down Timeout = 0:
8542          *
8543          *      When Port Down timer expires we will start returning
8544          *      I/O's to OS with "DID_NO_CONNECT".
8545          *
8546          * Link Down Timeout != 0:
8547          *
8548          *       The driver waits for the link to come up after link down
8549          *       before returning I/Os to OS with "DID_NO_CONNECT".
8550          */
8551         if (le16_to_cpu(nv->link_down_timeout) == 0) {
8552                 ha->loop_down_abort_time =
8553                     (LOOP_DOWN_TIME - LOOP_DOWN_TIMEOUT);
8554         } else {
8555                 ha->link_down_timeout = le16_to_cpu(nv->link_down_timeout);
8556                 ha->loop_down_abort_time =
8557                     (LOOP_DOWN_TIME - ha->link_down_timeout);
8558         }
8559
8560         /* Need enough time to try and get the port back. */
8561         ha->port_down_retry_count = le16_to_cpu(nv->port_down_retry_count);
8562         if (qlport_down_retry)
8563                 ha->port_down_retry_count = qlport_down_retry;
8564
8565         /* Set login_retry_count */
8566         ha->login_retry_count  = le16_to_cpu(nv->login_retry_count);
8567         if (ha->port_down_retry_count ==
8568             le16_to_cpu(nv->port_down_retry_count) &&
8569             ha->port_down_retry_count > 3)
8570                 ha->login_retry_count = ha->port_down_retry_count;
8571         else if (ha->port_down_retry_count > (int)ha->login_retry_count)
8572                 ha->login_retry_count = ha->port_down_retry_count;
8573         if (ql2xloginretrycount)
8574                 ha->login_retry_count = ql2xloginretrycount;
8575
8576         /* if not running MSI-X we need handshaking on interrupts */
8577         if (!vha->hw->flags.msix_enabled &&
8578             (IS_QLA83XX(ha) || IS_QLA27XX(ha) || IS_QLA28XX(ha)))
8579                 icb->firmware_options_2 |= cpu_to_le32(BIT_22);
8580
8581         /* Enable ZIO. */
8582         if (!vha->flags.init_done) {
8583                 ha->zio_mode = le32_to_cpu(icb->firmware_options_2) &
8584                     (BIT_3 | BIT_2 | BIT_1 | BIT_0);
8585                 ha->zio_timer = le16_to_cpu(icb->interrupt_delay_timer) ?
8586                     le16_to_cpu(icb->interrupt_delay_timer) : 2;
8587         }
8588         icb->firmware_options_2 &= cpu_to_le32(
8589             ~(BIT_3 | BIT_2 | BIT_1 | BIT_0));
8590         vha->flags.process_response_queue = 0;
8591         if (ha->zio_mode != QLA_ZIO_DISABLED) {
8592                 ha->zio_mode = QLA_ZIO_MODE_6;
8593
8594                 ql_log(ql_log_info, vha, 0x0075,
8595                     "ZIO mode %d enabled; timer delay (%d us).\n",
8596                     ha->zio_mode,
8597                     ha->zio_timer * 100);
8598
8599                 icb->firmware_options_2 |= cpu_to_le32(
8600                     (uint32_t)ha->zio_mode);
8601                 icb->interrupt_delay_timer = cpu_to_le16(ha->zio_timer);
8602                 vha->flags.process_response_queue = 1;
8603         }
8604
8605          /* enable RIDA Format2 */
8606         icb->firmware_options_3 |= BIT_0;
8607
8608         /* N2N: driver will initiate Login instead of FW */
8609         icb->firmware_options_3 |= BIT_8;
8610
8611         /* Determine NVMe/FCP priority for target ports */
8612         ha->fc4_type_priority = qla2xxx_get_fc4_priority(vha);
8613
8614         if (rval) {
8615                 ql_log(ql_log_warn, vha, 0x0076,
8616                     "NVRAM configuration failed.\n");
8617         }
8618         return (rval);
8619 }
8620
8621 int
8622 qla82xx_restart_isp(scsi_qla_host_t *vha)
8623 {
8624         int status, rval;
8625         struct qla_hw_data *ha = vha->hw;
8626         struct scsi_qla_host *vp;
8627         unsigned long flags;
8628
8629         status = qla2x00_init_rings(vha);
8630         if (!status) {
8631                 clear_bit(RESET_MARKER_NEEDED, &vha->dpc_flags);
8632                 ha->flags.chip_reset_done = 1;
8633
8634                 status = qla2x00_fw_ready(vha);
8635                 if (!status) {
8636                         /* Issue a marker after FW becomes ready. */
8637                         qla2x00_marker(vha, ha->base_qpair, 0, 0, MK_SYNC_ALL);
8638                         vha->flags.online = 1;
8639                         set_bit(LOOP_RESYNC_NEEDED, &vha->dpc_flags);
8640                 }
8641
8642                 /* if no cable then assume it's good */
8643                 if ((vha->device_flags & DFLG_NO_CABLE))
8644                         status = 0;
8645         }
8646
8647         if (!status) {
8648                 clear_bit(RESET_MARKER_NEEDED, &vha->dpc_flags);
8649
8650                 if (!atomic_read(&vha->loop_down_timer)) {
8651                         /*
8652                          * Issue marker command only when we are going
8653                          * to start the I/O .
8654                          */
8655                         vha->marker_needed = 1;
8656                 }
8657
8658                 ha->isp_ops->enable_intrs(ha);
8659
8660                 ha->isp_abort_cnt = 0;
8661                 clear_bit(ISP_ABORT_RETRY, &vha->dpc_flags);
8662
8663                 /* Update the firmware version */
8664                 status = qla82xx_check_md_needed(vha);
8665
8666                 if (ha->fce) {
8667                         ha->flags.fce_enabled = 1;
8668                         memset(ha->fce, 0,
8669                             fce_calc_size(ha->fce_bufs));
8670                         rval = qla2x00_enable_fce_trace(vha,
8671                             ha->fce_dma, ha->fce_bufs, ha->fce_mb,
8672                             &ha->fce_bufs);
8673                         if (rval) {
8674                                 ql_log(ql_log_warn, vha, 0x8001,
8675                                     "Unable to reinitialize FCE (%d).\n",
8676                                     rval);
8677                                 ha->flags.fce_enabled = 0;
8678                         }
8679                 }
8680
8681                 if (ha->eft) {
8682                         memset(ha->eft, 0, EFT_SIZE);
8683                         rval = qla2x00_enable_eft_trace(vha,
8684                             ha->eft_dma, EFT_NUM_BUFFERS);
8685                         if (rval) {
8686                                 ql_log(ql_log_warn, vha, 0x8010,
8687                                     "Unable to reinitialize EFT (%d).\n",
8688                                     rval);
8689                         }
8690                 }
8691         }
8692
8693         if (!status) {
8694                 ql_dbg(ql_dbg_taskm, vha, 0x8011,
8695                     "qla82xx_restart_isp succeeded.\n");
8696
8697                 spin_lock_irqsave(&ha->vport_slock, flags);
8698                 list_for_each_entry(vp, &ha->vp_list, list) {
8699                         if (vp->vp_idx) {
8700                                 atomic_inc(&vp->vref_count);
8701                                 spin_unlock_irqrestore(&ha->vport_slock, flags);
8702
8703                                 qla2x00_vp_abort_isp(vp);
8704
8705                                 spin_lock_irqsave(&ha->vport_slock, flags);
8706                                 atomic_dec(&vp->vref_count);
8707                         }
8708                 }
8709                 spin_unlock_irqrestore(&ha->vport_slock, flags);
8710
8711         } else {
8712                 ql_log(ql_log_warn, vha, 0x8016,
8713                     "qla82xx_restart_isp **** FAILED ****.\n");
8714         }
8715
8716         return status;
8717 }
8718
8719 /*
8720  * qla24xx_get_fcp_prio
8721  *      Gets the fcp cmd priority value for the logged in port.
8722  *      Looks for a match of the port descriptors within
8723  *      each of the fcp prio config entries. If a match is found,
8724  *      the tag (priority) value is returned.
8725  *
8726  * Input:
8727  *      vha = scsi host structure pointer.
8728  *      fcport = port structure pointer.
8729  *
8730  * Return:
8731  *      non-zero (if found)
8732  *      -1 (if not found)
8733  *
8734  * Context:
8735  *      Kernel context
8736  */
8737 static int
8738 qla24xx_get_fcp_prio(scsi_qla_host_t *vha, fc_port_t *fcport)
8739 {
8740         int i, entries;
8741         uint8_t pid_match, wwn_match;
8742         int priority;
8743         uint32_t pid1, pid2;
8744         uint64_t wwn1, wwn2;
8745         struct qla_fcp_prio_entry *pri_entry;
8746         struct qla_hw_data *ha = vha->hw;
8747
8748         if (!ha->fcp_prio_cfg || !ha->flags.fcp_prio_enabled)
8749                 return -1;
8750
8751         priority = -1;
8752         entries = ha->fcp_prio_cfg->num_entries;
8753         pri_entry = &ha->fcp_prio_cfg->entry[0];
8754
8755         for (i = 0; i < entries; i++) {
8756                 pid_match = wwn_match = 0;
8757
8758                 if (!(pri_entry->flags & FCP_PRIO_ENTRY_VALID)) {
8759                         pri_entry++;
8760                         continue;
8761                 }
8762
8763                 /* check source pid for a match */
8764                 if (pri_entry->flags & FCP_PRIO_ENTRY_SPID_VALID) {
8765                         pid1 = pri_entry->src_pid & INVALID_PORT_ID;
8766                         pid2 = vha->d_id.b24 & INVALID_PORT_ID;
8767                         if (pid1 == INVALID_PORT_ID)
8768                                 pid_match++;
8769                         else if (pid1 == pid2)
8770                                 pid_match++;
8771                 }
8772
8773                 /* check destination pid for a match */
8774                 if (pri_entry->flags & FCP_PRIO_ENTRY_DPID_VALID) {
8775                         pid1 = pri_entry->dst_pid & INVALID_PORT_ID;
8776                         pid2 = fcport->d_id.b24 & INVALID_PORT_ID;
8777                         if (pid1 == INVALID_PORT_ID)
8778                                 pid_match++;
8779                         else if (pid1 == pid2)
8780                                 pid_match++;
8781                 }
8782
8783                 /* check source WWN for a match */
8784                 if (pri_entry->flags & FCP_PRIO_ENTRY_SWWN_VALID) {
8785                         wwn1 = wwn_to_u64(vha->port_name);
8786                         wwn2 = wwn_to_u64(pri_entry->src_wwpn);
8787                         if (wwn2 == (uint64_t)-1)
8788                                 wwn_match++;
8789                         else if (wwn1 == wwn2)
8790                                 wwn_match++;
8791                 }
8792
8793                 /* check destination WWN for a match */
8794                 if (pri_entry->flags & FCP_PRIO_ENTRY_DWWN_VALID) {
8795                         wwn1 = wwn_to_u64(fcport->port_name);
8796                         wwn2 = wwn_to_u64(pri_entry->dst_wwpn);
8797                         if (wwn2 == (uint64_t)-1)
8798                                 wwn_match++;
8799                         else if (wwn1 == wwn2)
8800                                 wwn_match++;
8801                 }
8802
8803                 if (pid_match == 2 || wwn_match == 2) {
8804                         /* Found a matching entry */
8805                         if (pri_entry->flags & FCP_PRIO_ENTRY_TAG_VALID)
8806                                 priority = pri_entry->tag;
8807                         break;
8808                 }
8809
8810                 pri_entry++;
8811         }
8812
8813         return priority;
8814 }
8815
8816 /*
8817  * qla24xx_update_fcport_fcp_prio
8818  *      Activates fcp priority for the logged in fc port
8819  *
8820  * Input:
8821  *      vha = scsi host structure pointer.
8822  *      fcp = port structure pointer.
8823  *
8824  * Return:
8825  *      QLA_SUCCESS or QLA_FUNCTION_FAILED
8826  *
8827  * Context:
8828  *      Kernel context.
8829  */
8830 int
8831 qla24xx_update_fcport_fcp_prio(scsi_qla_host_t *vha, fc_port_t *fcport)
8832 {
8833         int ret;
8834         int priority;
8835         uint16_t mb[5];
8836
8837         if (fcport->port_type != FCT_TARGET ||
8838             fcport->loop_id == FC_NO_LOOP_ID)
8839                 return QLA_FUNCTION_FAILED;
8840
8841         priority = qla24xx_get_fcp_prio(vha, fcport);
8842         if (priority < 0)
8843                 return QLA_FUNCTION_FAILED;
8844
8845         if (IS_P3P_TYPE(vha->hw)) {
8846                 fcport->fcp_prio = priority & 0xf;
8847                 return QLA_SUCCESS;
8848         }
8849
8850         ret = qla24xx_set_fcp_prio(vha, fcport->loop_id, priority, mb);
8851         if (ret == QLA_SUCCESS) {
8852                 if (fcport->fcp_prio != priority)
8853                         ql_dbg(ql_dbg_user, vha, 0x709e,
8854                             "Updated FCP_CMND priority - value=%d loop_id=%d "
8855                             "port_id=%02x%02x%02x.\n", priority,
8856                             fcport->loop_id, fcport->d_id.b.domain,
8857                             fcport->d_id.b.area, fcport->d_id.b.al_pa);
8858                 fcport->fcp_prio = priority & 0xf;
8859         } else
8860                 ql_dbg(ql_dbg_user, vha, 0x704f,
8861                     "Unable to update FCP_CMND priority - ret=0x%x for "
8862                     "loop_id=%d port_id=%02x%02x%02x.\n", ret, fcport->loop_id,
8863                     fcport->d_id.b.domain, fcport->d_id.b.area,
8864                     fcport->d_id.b.al_pa);
8865         return  ret;
8866 }
8867
8868 /*
8869  * qla24xx_update_all_fcp_prio
8870  *      Activates fcp priority for all the logged in ports
8871  *
8872  * Input:
8873  *      ha = adapter block pointer.
8874  *
8875  * Return:
8876  *      QLA_SUCCESS or QLA_FUNCTION_FAILED
8877  *
8878  * Context:
8879  *      Kernel context.
8880  */
8881 int
8882 qla24xx_update_all_fcp_prio(scsi_qla_host_t *vha)
8883 {
8884         int ret;
8885         fc_port_t *fcport;
8886
8887         ret = QLA_FUNCTION_FAILED;
8888         /* We need to set priority for all logged in ports */
8889         list_for_each_entry(fcport, &vha->vp_fcports, list)
8890                 ret = qla24xx_update_fcport_fcp_prio(vha, fcport);
8891
8892         return ret;
8893 }
8894
8895 struct qla_qpair *qla2xxx_create_qpair(struct scsi_qla_host *vha, int qos,
8896         int vp_idx, bool startqp)
8897 {
8898         int rsp_id = 0;
8899         int  req_id = 0;
8900         int i;
8901         struct qla_hw_data *ha = vha->hw;
8902         uint16_t qpair_id = 0;
8903         struct qla_qpair *qpair = NULL;
8904         struct qla_msix_entry *msix;
8905
8906         if (!(ha->fw_attributes & BIT_6) || !ha->flags.msix_enabled) {
8907                 ql_log(ql_log_warn, vha, 0x00181,
8908                     "FW/Driver is not multi-queue capable.\n");
8909                 return NULL;
8910         }
8911
8912         if (ql2xmqsupport || ql2xnvmeenable) {
8913                 qpair = kzalloc(sizeof(struct qla_qpair), GFP_KERNEL);
8914                 if (qpair == NULL) {
8915                         ql_log(ql_log_warn, vha, 0x0182,
8916                             "Failed to allocate memory for queue pair.\n");
8917                         return NULL;
8918                 }
8919
8920                 qpair->hw = vha->hw;
8921                 qpair->vha = vha;
8922                 qpair->qp_lock_ptr = &qpair->qp_lock;
8923                 spin_lock_init(&qpair->qp_lock);
8924                 qpair->use_shadow_reg = IS_SHADOW_REG_CAPABLE(ha) ? 1 : 0;
8925
8926                 /* Assign available que pair id */
8927                 mutex_lock(&ha->mq_lock);
8928                 qpair_id = find_first_zero_bit(ha->qpair_qid_map, ha->max_qpairs);
8929                 if (ha->num_qpairs >= ha->max_qpairs) {
8930                         mutex_unlock(&ha->mq_lock);
8931                         ql_log(ql_log_warn, vha, 0x0183,
8932                             "No resources to create additional q pair.\n");
8933                         goto fail_qid_map;
8934                 }
8935                 ha->num_qpairs++;
8936                 set_bit(qpair_id, ha->qpair_qid_map);
8937                 ha->queue_pair_map[qpair_id] = qpair;
8938                 qpair->id = qpair_id;
8939                 qpair->vp_idx = vp_idx;
8940                 qpair->fw_started = ha->flags.fw_started;
8941                 INIT_LIST_HEAD(&qpair->hints_list);
8942                 qpair->chip_reset = ha->base_qpair->chip_reset;
8943                 qpair->enable_class_2 = ha->base_qpair->enable_class_2;
8944                 qpair->enable_explicit_conf =
8945                     ha->base_qpair->enable_explicit_conf;
8946
8947                 for (i = 0; i < ha->msix_count; i++) {
8948                         msix = &ha->msix_entries[i];
8949                         if (msix->in_use)
8950                                 continue;
8951                         qpair->msix = msix;
8952                         ql_dbg(ql_dbg_multiq, vha, 0xc00f,
8953                             "Vector %x selected for qpair\n", msix->vector);
8954                         break;
8955                 }
8956                 if (!qpair->msix) {
8957                         ql_log(ql_log_warn, vha, 0x0184,
8958                             "Out of MSI-X vectors!.\n");
8959                         goto fail_msix;
8960                 }
8961
8962                 qpair->msix->in_use = 1;
8963                 list_add_tail(&qpair->qp_list_elem, &vha->qp_list);
8964                 qpair->pdev = ha->pdev;
8965                 if (IS_QLA27XX(ha) || IS_QLA83XX(ha) || IS_QLA28XX(ha))
8966                         qpair->reqq_start_iocbs = qla_83xx_start_iocbs;
8967
8968                 mutex_unlock(&ha->mq_lock);
8969
8970                 /* Create response queue first */
8971                 rsp_id = qla25xx_create_rsp_que(ha, 0, 0, 0, qpair, startqp);
8972                 if (!rsp_id) {
8973                         ql_log(ql_log_warn, vha, 0x0185,
8974                             "Failed to create response queue.\n");
8975                         goto fail_rsp;
8976                 }
8977
8978                 qpair->rsp = ha->rsp_q_map[rsp_id];
8979
8980                 /* Create request queue */
8981                 req_id = qla25xx_create_req_que(ha, 0, vp_idx, 0, rsp_id, qos,
8982                     startqp);
8983                 if (!req_id) {
8984                         ql_log(ql_log_warn, vha, 0x0186,
8985                             "Failed to create request queue.\n");
8986                         goto fail_req;
8987                 }
8988
8989                 qpair->req = ha->req_q_map[req_id];
8990                 qpair->rsp->req = qpair->req;
8991                 qpair->rsp->qpair = qpair;
8992                 /* init qpair to this cpu. Will adjust at run time. */
8993                 qla_cpu_update(qpair, smp_processor_id());
8994
8995                 if (IS_T10_PI_CAPABLE(ha) && ql2xenabledif) {
8996                         if (ha->fw_attributes & BIT_4)
8997                                 qpair->difdix_supported = 1;
8998                 }
8999
9000                 qpair->srb_mempool = mempool_create_slab_pool(SRB_MIN_REQ, srb_cachep);
9001                 if (!qpair->srb_mempool) {
9002                         ql_log(ql_log_warn, vha, 0xd036,
9003                             "Failed to create srb mempool for qpair %d\n",
9004                             qpair->id);
9005                         goto fail_mempool;
9006                 }
9007
9008                 /* Mark as online */
9009                 qpair->online = 1;
9010
9011                 if (!vha->flags.qpairs_available)
9012                         vha->flags.qpairs_available = 1;
9013
9014                 ql_dbg(ql_dbg_multiq, vha, 0xc00d,
9015                     "Request/Response queue pair created, id %d\n",
9016                     qpair->id);
9017                 ql_dbg(ql_dbg_init, vha, 0x0187,
9018                     "Request/Response queue pair created, id %d\n",
9019                     qpair->id);
9020         }
9021         return qpair;
9022
9023 fail_mempool:
9024 fail_req:
9025         qla25xx_delete_rsp_que(vha, qpair->rsp);
9026 fail_rsp:
9027         mutex_lock(&ha->mq_lock);
9028         qpair->msix->in_use = 0;
9029         list_del(&qpair->qp_list_elem);
9030         if (list_empty(&vha->qp_list))
9031                 vha->flags.qpairs_available = 0;
9032 fail_msix:
9033         ha->queue_pair_map[qpair_id] = NULL;
9034         clear_bit(qpair_id, ha->qpair_qid_map);
9035         ha->num_qpairs--;
9036         mutex_unlock(&ha->mq_lock);
9037 fail_qid_map:
9038         kfree(qpair);
9039         return NULL;
9040 }
9041
9042 int qla2xxx_delete_qpair(struct scsi_qla_host *vha, struct qla_qpair *qpair)
9043 {
9044         int ret = QLA_FUNCTION_FAILED;
9045         struct qla_hw_data *ha = qpair->hw;
9046
9047         qpair->delete_in_progress = 1;
9048
9049         ret = qla25xx_delete_req_que(vha, qpair->req);
9050         if (ret != QLA_SUCCESS)
9051                 goto fail;
9052
9053         ret = qla25xx_delete_rsp_que(vha, qpair->rsp);
9054         if (ret != QLA_SUCCESS)
9055                 goto fail;
9056
9057         mutex_lock(&ha->mq_lock);
9058         ha->queue_pair_map[qpair->id] = NULL;
9059         clear_bit(qpair->id, ha->qpair_qid_map);
9060         ha->num_qpairs--;
9061         list_del(&qpair->qp_list_elem);
9062         if (list_empty(&vha->qp_list)) {
9063                 vha->flags.qpairs_available = 0;
9064                 vha->flags.qpairs_req_created = 0;
9065                 vha->flags.qpairs_rsp_created = 0;
9066         }
9067         mempool_destroy(qpair->srb_mempool);
9068         kfree(qpair);
9069         mutex_unlock(&ha->mq_lock);
9070
9071         return QLA_SUCCESS;
9072 fail:
9073         return ret;
9074 }