drivers/scsi/qla2xxx/qla_init.c

   1 // SPDX-License-Identifier: GPL-2.0-only
   2 /*
   3  * QLogic Fibre Channel HBA Driver
   4  * Copyright (c)  2003-2014 QLogic Corporation
   5  */
   6 #include "qla_def.h"
   7 #include "qla_gbl.h"
   8
   9 #include <linux/delay.h>
  10 #include <linux/slab.h>
  11 #include <linux/vmalloc.h>
  12
  13 #include "qla_devtbl.h"
  14
  15 #ifdef CONFIG_SPARC
  16 #include <asm/prom.h>
  17 #endif
  18
  19 #include "qla_target.h"
  20
  21 /*
  22 *  QLogic ISP2x00 Hardware Support Function Prototypes.
  23 */
  24 static int qla2x00_isp_firmware(scsi_qla_host_t *);
  25 static int qla2x00_setup_chip(scsi_qla_host_t *);
  26 static int qla2x00_fw_ready(scsi_qla_host_t *);
  27 static int qla2x00_configure_hba(scsi_qla_host_t *);
  28 static int qla2x00_configure_loop(scsi_qla_host_t *);
  29 static int qla2x00_configure_local_loop(scsi_qla_host_t *);
  30 static int qla2x00_configure_fabric(scsi_qla_host_t *);
  31 static int qla2x00_find_all_fabric_devs(scsi_qla_host_t *);
  32 static int qla2x00_restart_isp(scsi_qla_host_t *);
  33
  34 static struct qla_chip_state_84xx *qla84xx_get_chip(struct scsi_qla_host *);
  35 static int qla84xx_init_chip(scsi_qla_host_t *);
  36 static int qla25xx_init_queues(struct qla_hw_data *);
  37 static void qla24xx_handle_gpdb_event(scsi_qla_host_t *vha,
  38                                       struct event_arg *ea);
  39 static void qla24xx_handle_prli_done_event(struct scsi_qla_host *,
  40     struct event_arg *);
  41 static void __qla24xx_handle_gpdb_event(scsi_qla_host_t *, struct event_arg *);
  42
  43 /* SRB Extensions ---------------------------------------------------------- */
  44
  45 void
  46 qla2x00_sp_timeout(struct timer_list *t)
  47 {
  48         srb_t *sp = from_timer(sp, t, u.iocb_cmd.timer);
  49         struct srb_iocb *iocb;
  50
  51         WARN_ON(irqs_disabled());
  52         iocb = &sp->u.iocb_cmd;
  53         iocb->timeout(sp);
  54 }
  55
  56 void qla2x00_sp_free(srb_t *sp)
  57 {
  58         struct srb_iocb *iocb = &sp->u.iocb_cmd;
  59
  60         del_timer(&iocb->timer);
  61         qla2x00_rel_sp(sp);
  62 }
  63
  64 void qla2xxx_rel_done_warning(srb_t *sp, int res)
  65 {
  66         WARN_ONCE(1, "Calling done() of an already freed srb %p object\n", sp);
  67 }
  68
  69 void qla2xxx_rel_free_warning(srb_t *sp)
  70 {
  71         WARN_ONCE(1, "Calling free() of an already freed srb %p object\n", sp);
  72 }
  73
  74 /* Asynchronous Login/Logout Routines -------------------------------------- */
  75
  76 unsigned long
  77 qla2x00_get_async_timeout(struct scsi_qla_host *vha)
  78 {
  79         unsigned long tmo;
  80         struct qla_hw_data *ha = vha->hw;
  81
  82         /* Firmware should use switch negotiated r_a_tov for timeout. */
  83         tmo = ha->r_a_tov / 10 * 2;
  84         if (IS_QLAFX00(ha)) {
  85                 tmo = FX00_DEF_RATOV * 2;
  86         } else if (!IS_FWI2_CAPABLE(ha)) {
  87                 /*
  88                  * Except for earlier ISPs where the timeout is seeded from the
  89                  * initialization control block.
  90                  */
  91                 tmo = ha->login_timeout;
  92         }
  93         return tmo;
  94 }
  95
  96 static void qla24xx_abort_iocb_timeout(void *data)
  97 {
  98         srb_t *sp = data;
  99         struct srb_iocb *abt = &sp->u.iocb_cmd;
 100         struct qla_qpair *qpair = sp->qpair;
 101         u32 handle;
 102         unsigned long flags;
 103
 104         if (sp->cmd_sp)
 105                 ql_dbg(ql_dbg_async, sp->vha, 0x507c,
 106                     "Abort timeout - cmd hdl=%x, cmd type=%x hdl=%x, type=%x\n",
 107                     sp->cmd_sp->handle, sp->cmd_sp->type,
 108                     sp->handle, sp->type);
 109         else
 110                 ql_dbg(ql_dbg_async, sp->vha, 0x507c,
 111                     "Abort timeout 2 - hdl=%x, type=%x\n",
 112                     sp->handle, sp->type);
 113
 114         spin_lock_irqsave(qpair->qp_lock_ptr, flags);
 115         for (handle = 1; handle < qpair->req->num_outstanding_cmds; handle++) {
 116                 if (sp->cmd_sp && (qpair->req->outstanding_cmds[handle] ==
 117                     sp->cmd_sp))
 118                         qpair->req->outstanding_cmds[handle] = NULL;
 119
 120                 /* removing the abort */
 121                 if (qpair->req->outstanding_cmds[handle] == sp) {
 122                         qpair->req->outstanding_cmds[handle] = NULL;
 123                         break;
 124                 }
 125         }
 126         spin_unlock_irqrestore(qpair->qp_lock_ptr, flags);
 127
 128         if (sp->cmd_sp)
 129                 sp->cmd_sp->done(sp->cmd_sp, QLA_OS_TIMER_EXPIRED);
 130
 131         abt->u.abt.comp_status = cpu_to_le16(CS_TIMEOUT);
 132         sp->done(sp, QLA_OS_TIMER_EXPIRED);
 133 }
 134
 135 static void qla24xx_abort_sp_done(srb_t *sp, int res)
 136 {
 137         struct srb_iocb *abt = &sp->u.iocb_cmd;
 138         srb_t *orig_sp = sp->cmd_sp;
 139
 140         if (orig_sp)
 141                 qla_wait_nvme_release_cmd_kref(orig_sp);
 142
 143         del_timer(&sp->u.iocb_cmd.timer);
 144         if (sp->flags & SRB_WAKEUP_ON_COMP)
 145                 complete(&abt->u.abt.comp);
 146         else
 147                 sp->free(sp);
 148 }
 149
 150 int qla24xx_async_abort_cmd(srb_t *cmd_sp, bool wait)
 151 {
 152         scsi_qla_host_t *vha = cmd_sp->vha;
 153         struct srb_iocb *abt_iocb;
 154         srb_t *sp;
 155         int rval = QLA_FUNCTION_FAILED;
 156
 157         sp = qla2xxx_get_qpair_sp(cmd_sp->vha, cmd_sp->qpair, cmd_sp->fcport,
 158                                   GFP_ATOMIC);
 159         if (!sp)
 160                 return QLA_MEMORY_ALLOC_FAILED;
 161
 162         abt_iocb = &sp->u.iocb_cmd;
 163         sp->type = SRB_ABT_CMD;
 164         sp->name = "abort";
 165         sp->qpair = cmd_sp->qpair;
 166         sp->cmd_sp = cmd_sp;
 167         if (wait)
 168                 sp->flags = SRB_WAKEUP_ON_COMP;
 169
 170         abt_iocb->timeout = qla24xx_abort_iocb_timeout;
 171         init_completion(&abt_iocb->u.abt.comp);
 172         /* FW can send 2 x ABTS's timeout/20s */
 173         qla2x00_init_timer(sp, 42);
 174
 175         abt_iocb->u.abt.cmd_hndl = cmd_sp->handle;
 176         abt_iocb->u.abt.req_que_no = cpu_to_le16(cmd_sp->qpair->req->id);
 177
 178         sp->done = qla24xx_abort_sp_done;
 179
 180         ql_dbg(ql_dbg_async, vha, 0x507c,
 181                "Abort command issued - hdl=%x, type=%x\n", cmd_sp->handle,
 182                cmd_sp->type);
 183
 184         rval = qla2x00_start_sp(sp);
 185         if (rval != QLA_SUCCESS) {
 186                 sp->free(sp);
 187                 return rval;
 188         }
 189
 190         if (wait) {
 191                 wait_for_completion(&abt_iocb->u.abt.comp);
 192                 rval = abt_iocb->u.abt.comp_status == CS_COMPLETE ?
 193                         QLA_SUCCESS : QLA_ERR_FROM_FW;
 194                 sp->free(sp);
 195         }
 196
 197         return rval;
 198 }
 199
 200 void
 201 qla2x00_async_iocb_timeout(void *data)
 202 {
 203         srb_t *sp = data;
 204         fc_port_t *fcport = sp->fcport;
 205         struct srb_iocb *lio = &sp->u.iocb_cmd;
 206         int rc, h;
 207         unsigned long flags;
 208
 209         if (fcport) {
 210                 ql_dbg(ql_dbg_disc, fcport->vha, 0x2071,
 211                     "Async-%s timeout - hdl=%x portid=%06x %8phC.\n",
 212                     sp->name, sp->handle, fcport->d_id.b24, fcport->port_name);
 213
 214                 fcport->flags &= ~(FCF_ASYNC_SENT | FCF_ASYNC_ACTIVE);
 215         } else {
 216                 pr_info("Async-%s timeout - hdl=%x.\n",
 217                     sp->name, sp->handle);
 218         }
 219
 220         switch (sp->type) {
 221         case SRB_LOGIN_CMD:
 222                 rc = qla24xx_async_abort_cmd(sp, false);
 223                 if (rc) {
 224                         /* Retry as needed. */
 225                         lio->u.logio.data[0] = MBS_COMMAND_ERROR;
 226                         lio->u.logio.data[1] =
 227                                 lio->u.logio.flags & SRB_LOGIN_RETRIED ?
 228                                 QLA_LOGIO_LOGIN_RETRIED : 0;
 229                         spin_lock_irqsave(sp->qpair->qp_lock_ptr, flags);
 230                         for (h = 1; h < sp->qpair->req->num_outstanding_cmds;
 231                             h++) {
 232                                 if (sp->qpair->req->outstanding_cmds[h] ==
 233                                     sp) {
 234                                         sp->qpair->req->outstanding_cmds[h] =
 235                                             NULL;
 236                                         break;
 237                                 }
 238                         }
 239                         spin_unlock_irqrestore(sp->qpair->qp_lock_ptr, flags);
 240                         sp->done(sp, QLA_FUNCTION_TIMEOUT);
 241                 }
 242                 break;
 243         case SRB_LOGOUT_CMD:
 244         case SRB_CT_PTHRU_CMD:
 245         case SRB_MB_IOCB:
 246         case SRB_NACK_PLOGI:
 247         case SRB_NACK_PRLI:
 248         case SRB_NACK_LOGO:
 249         case SRB_CTRL_VP:
 250         default:
 251                 rc = qla24xx_async_abort_cmd(sp, false);
 252                 if (rc) {
 253                         spin_lock_irqsave(sp->qpair->qp_lock_ptr, flags);
 254                         for (h = 1; h < sp->qpair->req->num_outstanding_cmds;
 255                             h++) {
 256                                 if (sp->qpair->req->outstanding_cmds[h] ==
 257                                     sp) {
 258                                         sp->qpair->req->outstanding_cmds[h] =
 259                                             NULL;
 260                                         break;
 261                                 }
 262                         }
 263                         spin_unlock_irqrestore(sp->qpair->qp_lock_ptr, flags);
 264                         sp->done(sp, QLA_FUNCTION_TIMEOUT);
 265                 }
 266                 break;
 267         }
 268 }
 269
 270 static void qla2x00_async_login_sp_done(srb_t *sp, int res)
 271 {
 272         struct scsi_qla_host *vha = sp->vha;
 273         struct srb_iocb *lio = &sp->u.iocb_cmd;
 274         struct event_arg ea;
 275
 276         ql_dbg(ql_dbg_disc, vha, 0x20dd,
 277             "%s %8phC res %d \n", __func__, sp->fcport->port_name, res);
 278
 279         sp->fcport->flags &= ~(FCF_ASYNC_SENT | FCF_ASYNC_ACTIVE);
 280
 281         if (!test_bit(UNLOADING, &vha->dpc_flags)) {
 282                 memset(&ea, 0, sizeof(ea));
 283                 ea.fcport = sp->fcport;
 284                 ea.data[0] = lio->u.logio.data[0];
 285                 ea.data[1] = lio->u.logio.data[1];
 286                 ea.iop[0] = lio->u.logio.iop[0];
 287                 ea.iop[1] = lio->u.logio.iop[1];
 288                 ea.sp = sp;
 289                 qla24xx_handle_plogi_done_event(vha, &ea);
 290         }
 291
 292         sp->free(sp);
 293 }
 294
 295 int
 296 qla2x00_async_login(struct scsi_qla_host *vha, fc_port_t *fcport,
 297     uint16_t *data)
 298 {
 299         srb_t *sp;
 300         struct srb_iocb *lio;
 301         int rval = QLA_FUNCTION_FAILED;
 302
 303         if (!vha->flags.online || (fcport->flags & FCF_ASYNC_SENT) ||
 304             fcport->loop_id == FC_NO_LOOP_ID) {
 305                 ql_log(ql_log_warn, vha, 0xffff,
 306                     "%s: %8phC - not sending command.\n",
 307                     __func__, fcport->port_name);
 308                 return rval;
 309         }
 310
 311         sp = qla2x00_get_sp(vha, fcport, GFP_KERNEL);
 312         if (!sp)
 313                 goto done;
 314
 315         qla2x00_set_fcport_disc_state(fcport, DSC_LOGIN_PEND);
 316         fcport->flags |= FCF_ASYNC_SENT;
 317         fcport->logout_completed = 0;
 318
 319         sp->type = SRB_LOGIN_CMD;
 320         sp->name = "login";
 321         sp->gen1 = fcport->rscn_gen;
 322         sp->gen2 = fcport->login_gen;
 323
 324         lio = &sp->u.iocb_cmd;
 325         lio->timeout = qla2x00_async_iocb_timeout;
 326         qla2x00_init_timer(sp, qla2x00_get_async_timeout(vha) + 2);
 327
 328         sp->done = qla2x00_async_login_sp_done;
 329         if (N2N_TOPO(fcport->vha->hw) && fcport_is_bigger(fcport)) {
 330                 lio->u.logio.flags |= SRB_LOGIN_PRLI_ONLY;
 331         } else {
 332                 if (vha->hw->flags.edif_enabled &&
 333                     DBELL_ACTIVE(vha)) {
 334                         lio->u.logio.flags |=
 335                                 (SRB_LOGIN_FCSP | SRB_LOGIN_SKIP_PRLI);
 336                 } else {
 337                         lio->u.logio.flags |= SRB_LOGIN_COND_PLOGI;
 338                 }
 339         }
 340
 341         if (NVME_TARGET(vha->hw, fcport))
 342                 lio->u.logio.flags |= SRB_LOGIN_SKIP_PRLI;
 343
 344         rval = qla2x00_start_sp(sp);
 345
 346         ql_dbg(ql_dbg_disc, vha, 0x2072,
 347                "Async-login - %8phC hdl=%x, loopid=%x portid=%06x retries=%d %s.\n",
 348                fcport->port_name, sp->handle, fcport->loop_id,
 349                fcport->d_id.b24, fcport->login_retry,
 350                lio->u.logio.flags & SRB_LOGIN_FCSP ? "FCSP" : "");
 351
 352         if (rval != QLA_SUCCESS) {
 353                 fcport->flags |= FCF_LOGIN_NEEDED;
 354                 set_bit(RELOGIN_NEEDED, &vha->dpc_flags);
 355                 goto done_free_sp;
 356         }
 357
 358         return rval;
 359
 360 done_free_sp:
 361         sp->free(sp);
 362         fcport->flags &= ~FCF_ASYNC_SENT;
 363 done:
 364         fcport->flags &= ~FCF_ASYNC_ACTIVE;
 365         return rval;
 366 }
 367
 368 static void qla2x00_async_logout_sp_done(srb_t *sp, int res)
 369 {
 370         sp->fcport->flags &= ~(FCF_ASYNC_SENT | FCF_ASYNC_ACTIVE);
 371         sp->fcport->login_gen++;
 372         qlt_logo_completion_handler(sp->fcport, sp->u.iocb_cmd.u.logio.data[0]);
 373         sp->free(sp);
 374 }
 375
 376 int
 377 qla2x00_async_logout(struct scsi_qla_host *vha, fc_port_t *fcport)
 378 {
 379         srb_t *sp;
 380         struct srb_iocb *lio;
 381         int rval = QLA_FUNCTION_FAILED;
 382
 383         fcport->flags |= FCF_ASYNC_SENT;
 384         sp = qla2x00_get_sp(vha, fcport, GFP_KERNEL);
 385         if (!sp)
 386                 goto done;
 387
 388         sp->type = SRB_LOGOUT_CMD;
 389         sp->name = "logout";
 390
 391         lio = &sp->u.iocb_cmd;
 392         lio->timeout = qla2x00_async_iocb_timeout;
 393         qla2x00_init_timer(sp, qla2x00_get_async_timeout(vha) + 2);
 394
 395         sp->done = qla2x00_async_logout_sp_done;
 396
 397         ql_dbg(ql_dbg_disc, vha, 0x2070,
 398             "Async-logout - hdl=%x loop-id=%x portid=%02x%02x%02x %8phC explicit %d.\n",
 399             sp->handle, fcport->loop_id, fcport->d_id.b.domain,
 400                 fcport->d_id.b.area, fcport->d_id.b.al_pa,
 401                 fcport->port_name, fcport->explicit_logout);
 402
 403         rval = qla2x00_start_sp(sp);
 404         if (rval != QLA_SUCCESS)
 405                 goto done_free_sp;
 406         return rval;
 407
 408 done_free_sp:
 409         sp->free(sp);
 410 done:
 411         fcport->flags &= ~(FCF_ASYNC_SENT | FCF_ASYNC_ACTIVE);
 412         return rval;
 413 }
 414
 415 void
 416 qla2x00_async_prlo_done(struct scsi_qla_host *vha, fc_port_t *fcport,
 417     uint16_t *data)
 418 {
 419         fcport->flags &= ~FCF_ASYNC_ACTIVE;
 420         /* Don't re-login in target mode */
 421         if (!fcport->tgt_session)
 422                 qla2x00_mark_device_lost(vha, fcport, 1);
 423         qlt_logo_completion_handler(fcport, data[0]);
 424 }
 425
 426 static void qla2x00_async_prlo_sp_done(srb_t *sp, int res)
 427 {
 428         struct srb_iocb *lio = &sp->u.iocb_cmd;
 429         struct scsi_qla_host *vha = sp->vha;
 430
 431         sp->fcport->flags &= ~FCF_ASYNC_ACTIVE;
 432         if (!test_bit(UNLOADING, &vha->dpc_flags))
 433                 qla2x00_post_async_prlo_done_work(sp->fcport->vha, sp->fcport,
 434                     lio->u.logio.data);
 435         sp->free(sp);
 436 }
 437
 438 int
 439 qla2x00_async_prlo(struct scsi_qla_host *vha, fc_port_t *fcport)
 440 {
 441         srb_t *sp;
 442         struct srb_iocb *lio;
 443         int rval;
 444
 445         rval = QLA_FUNCTION_FAILED;
 446         sp = qla2x00_get_sp(vha, fcport, GFP_KERNEL);
 447         if (!sp)
 448                 goto done;
 449
 450         sp->type = SRB_PRLO_CMD;
 451         sp->name = "prlo";
 452
 453         lio = &sp->u.iocb_cmd;
 454         lio->timeout = qla2x00_async_iocb_timeout;
 455         qla2x00_init_timer(sp, qla2x00_get_async_timeout(vha) + 2);
 456
 457         sp->done = qla2x00_async_prlo_sp_done;
 458
 459         ql_dbg(ql_dbg_disc, vha, 0x2070,
 460             "Async-prlo - hdl=%x loop-id=%x portid=%02x%02x%02x.\n",
 461             sp->handle, fcport->loop_id, fcport->d_id.b.domain,
 462             fcport->d_id.b.area, fcport->d_id.b.al_pa);
 463
 464         rval = qla2x00_start_sp(sp);
 465         if (rval != QLA_SUCCESS)
 466                 goto done_free_sp;
 467
 468         return rval;
 469
 470 done_free_sp:
 471         sp->free(sp);
 472 done:
 473         fcport->flags &= ~FCF_ASYNC_ACTIVE;
 474         return rval;
 475 }
 476
 477 static
 478 void qla24xx_handle_adisc_event(scsi_qla_host_t *vha, struct event_arg *ea)
 479 {
 480         struct fc_port *fcport = ea->fcport;
 481
 482         ql_dbg(ql_dbg_disc, vha, 0x20d2,
 483             "%s %8phC DS %d LS %d rc %d login %d|%d rscn %d|%d lid %d\n",
 484             __func__, fcport->port_name, fcport->disc_state,
 485             fcport->fw_login_state, ea->rc, fcport->login_gen, ea->sp->gen2,
 486             fcport->rscn_gen, ea->sp->gen1, fcport->loop_id);
 487
 488         WARN_ONCE(!qla2xxx_is_valid_mbs(ea->data[0]), "mbs: %#x\n",
 489                   ea->data[0]);
 490
 491         if (ea->data[0] != MBS_COMMAND_COMPLETE) {
 492                 ql_dbg(ql_dbg_disc, vha, 0x2066,
 493                     "%s %8phC: adisc fail: post delete\n",
 494                     __func__, ea->fcport->port_name);
 495                 /* deleted = 0 & logout_on_delete = force fw cleanup */
 496                 fcport->deleted = 0;
 497                 fcport->logout_on_delete = 1;
 498                 qlt_schedule_sess_for_deletion(ea->fcport);
 499                 return;
 500         }
 501
 502         if (ea->fcport->disc_state == DSC_DELETE_PEND)
 503                 return;
 504
 505         if (ea->sp->gen2 != ea->fcport->login_gen) {
 506                 /* target side must have changed it. */
 507                 ql_dbg(ql_dbg_disc, vha, 0x20d3,
 508                     "%s %8phC generation changed\n",
 509                     __func__, ea->fcport->port_name);
 510                 return;
 511         } else if (ea->sp->gen1 != ea->fcport->rscn_gen) {
 512                 qla_rscn_replay(fcport);
 513                 qlt_schedule_sess_for_deletion(fcport);
 514                 return;
 515         }
 516
 517         __qla24xx_handle_gpdb_event(vha, ea);
 518 }
 519
 520 static int qla_post_els_plogi_work(struct scsi_qla_host *vha, fc_port_t *fcport)
 521 {
 522         struct qla_work_evt *e;
 523
 524         e = qla2x00_alloc_work(vha, QLA_EVT_ELS_PLOGI);
 525         if (!e)
 526                 return QLA_FUNCTION_FAILED;
 527
 528         e->u.fcport.fcport = fcport;
 529         fcport->flags |= FCF_ASYNC_ACTIVE;
 530         qla2x00_set_fcport_disc_state(fcport, DSC_LOGIN_PEND);
 531         return qla2x00_post_work(vha, e);
 532 }
 533
 534 static void qla2x00_async_adisc_sp_done(srb_t *sp, int res)
 535 {
 536         struct scsi_qla_host *vha = sp->vha;
 537         struct event_arg ea;
 538         struct srb_iocb *lio = &sp->u.iocb_cmd;
 539
 540         ql_dbg(ql_dbg_disc, vha, 0x2066,
 541             "Async done-%s res %x %8phC\n",
 542             sp->name, res, sp->fcport->port_name);
 543
 544         sp->fcport->flags &= ~(FCF_ASYNC_SENT | FCF_ASYNC_ACTIVE);
 545
 546         memset(&ea, 0, sizeof(ea));
 547         ea.rc = res;
 548         ea.data[0] = lio->u.logio.data[0];
 549         ea.data[1] = lio->u.logio.data[1];
 550         ea.iop[0] = lio->u.logio.iop[0];
 551         ea.iop[1] = lio->u.logio.iop[1];
 552         ea.fcport = sp->fcport;
 553         ea.sp = sp;
 554
 555         qla24xx_handle_adisc_event(vha, &ea);
 556
 557         sp->free(sp);
 558 }
 559
 560 int
 561 qla2x00_async_adisc(struct scsi_qla_host *vha, fc_port_t *fcport,
 562     uint16_t *data)
 563 {
 564         srb_t *sp;
 565         struct srb_iocb *lio;
 566         int rval = QLA_FUNCTION_FAILED;
 567
 568         if (!vha->flags.online || (fcport->flags & FCF_ASYNC_SENT))
 569                 return rval;
 570
 571         fcport->flags |= FCF_ASYNC_SENT;
 572         sp = qla2x00_get_sp(vha, fcport, GFP_KERNEL);
 573         if (!sp)
 574                 goto done;
 575
 576         sp->type = SRB_ADISC_CMD;
 577         sp->name = "adisc";
 578
 579         lio = &sp->u.iocb_cmd;
 580         lio->timeout = qla2x00_async_iocb_timeout;
 581         sp->gen1 = fcport->rscn_gen;
 582         sp->gen2 = fcport->login_gen;
 583         qla2x00_init_timer(sp, qla2x00_get_async_timeout(vha) + 2);
 584
 585         sp->done = qla2x00_async_adisc_sp_done;
 586         if (data[1] & QLA_LOGIO_LOGIN_RETRIED)
 587                 lio->u.logio.flags |= SRB_LOGIN_RETRIED;
 588
 589         ql_dbg(ql_dbg_disc, vha, 0x206f,
 590             "Async-adisc - hdl=%x loopid=%x portid=%06x %8phC.\n",
 591             sp->handle, fcport->loop_id, fcport->d_id.b24, fcport->port_name);
 592
 593         rval = qla2x00_start_sp(sp);
 594         if (rval != QLA_SUCCESS)
 595                 goto done_free_sp;
 596
 597         return rval;
 598
 599 done_free_sp:
 600         sp->free(sp);
 601 done:
 602         fcport->flags &= ~(FCF_ASYNC_SENT | FCF_ASYNC_ACTIVE);
 603         qla2x00_post_async_adisc_work(vha, fcport, data);
 604         return rval;
 605 }
 606
 607 static bool qla2x00_is_reserved_id(scsi_qla_host_t *vha, uint16_t loop_id)
 608 {
 609         struct qla_hw_data *ha = vha->hw;
 610
 611         if (IS_FWI2_CAPABLE(ha))
 612                 return loop_id > NPH_LAST_HANDLE;
 613
 614         return (loop_id > ha->max_loop_id && loop_id < SNS_FIRST_LOOP_ID) ||
 615                 loop_id == MANAGEMENT_SERVER || loop_id == BROADCAST;
 616 }
 617
 618 /**
 619  * qla2x00_find_new_loop_id - scan through our port list and find a new usable loop ID
 620  * @vha: adapter state pointer.
 621  * @dev: port structure pointer.
 622  *
 623  * Returns:
 624  *      qla2x00 local function return status code.
 625  *
 626  * Context:
 627  *      Kernel context.
 628  */
 629 static int qla2x00_find_new_loop_id(scsi_qla_host_t *vha, fc_port_t *dev)
 630 {
 631         int     rval;
 632         struct qla_hw_data *ha = vha->hw;
 633         unsigned long flags = 0;
 634
 635         rval = QLA_SUCCESS;
 636
 637         spin_lock_irqsave(&ha->vport_slock, flags);
 638
 639         dev->loop_id = find_first_zero_bit(ha->loop_id_map, LOOPID_MAP_SIZE);
 640         if (dev->loop_id >= LOOPID_MAP_SIZE ||
 641             qla2x00_is_reserved_id(vha, dev->loop_id)) {
 642                 dev->loop_id = FC_NO_LOOP_ID;
 643                 rval = QLA_FUNCTION_FAILED;
 644         } else {
 645                 set_bit(dev->loop_id, ha->loop_id_map);
 646         }
 647         spin_unlock_irqrestore(&ha->vport_slock, flags);
 648
 649         if (rval == QLA_SUCCESS)
 650                 ql_dbg(ql_dbg_disc, dev->vha, 0x2086,
 651                        "Assigning new loopid=%x, portid=%x.\n",
 652                        dev->loop_id, dev->d_id.b24);
 653         else
 654                 ql_log(ql_log_warn, dev->vha, 0x2087,
 655                        "No loop_id's available, portid=%x.\n",
 656                        dev->d_id.b24);
 657
 658         return rval;
 659 }
 660
 661 void qla2x00_clear_loop_id(fc_port_t *fcport)
 662 {
 663         struct qla_hw_data *ha = fcport->vha->hw;
 664
 665         if (fcport->loop_id == FC_NO_LOOP_ID ||
 666             qla2x00_is_reserved_id(fcport->vha, fcport->loop_id))
 667                 return;
 668
 669         clear_bit(fcport->loop_id, ha->loop_id_map);
 670         fcport->loop_id = FC_NO_LOOP_ID;
 671 }
 672
 673 static void qla24xx_handle_gnl_done_event(scsi_qla_host_t *vha,
 674         struct event_arg *ea)
 675 {
 676         fc_port_t *fcport, *conflict_fcport;
 677         struct get_name_list_extended *e;
 678         u16 i, n, found = 0, loop_id;
 679         port_id_t id;
 680         u64 wwn;
 681         u16 data[2];
 682         u8 current_login_state, nvme_cls;
 683
 684         fcport = ea->fcport;
 685         ql_dbg(ql_dbg_disc, vha, 0xffff,
 686             "%s %8phC DS %d LS rc %d %d login %d|%d rscn %d|%d lid %d edif %d\n",
 687             __func__, fcport->port_name, fcport->disc_state,
 688             fcport->fw_login_state, ea->rc,
 689             fcport->login_gen, fcport->last_login_gen,
 690             fcport->rscn_gen, fcport->last_rscn_gen, vha->loop_id, fcport->edif.enable);
 691
 692         if (fcport->disc_state == DSC_DELETE_PEND)
 693                 return;
 694
 695         if (ea->rc) { /* rval */
 696                 if (fcport->login_retry == 0) {
 697                         ql_dbg(ql_dbg_disc, vha, 0x20de,
 698                             "GNL failed Port login retry %8phN, retry cnt=%d.\n",
 699                             fcport->port_name, fcport->login_retry);
 700                 }
 701                 return;
 702         }
 703
 704         if (fcport->last_rscn_gen != fcport->rscn_gen) {
 705                 qla_rscn_replay(fcport);
 706                 qlt_schedule_sess_for_deletion(fcport);
 707                 return;
 708         } else if (fcport->last_login_gen != fcport->login_gen) {
 709                 ql_dbg(ql_dbg_disc, vha, 0x20e0,
 710                     "%s %8phC login gen changed\n",
 711                     __func__, fcport->port_name);
 712                 set_bit(RELOGIN_NEEDED, &vha->dpc_flags);
 713                 return;
 714         }
 715
 716         n = ea->data[0] / sizeof(struct get_name_list_extended);
 717
 718         ql_dbg(ql_dbg_disc, vha, 0x20e1,
 719             "%s %d %8phC n %d %02x%02x%02x lid %d \n",
 720             __func__, __LINE__, fcport->port_name, n,
 721             fcport->d_id.b.domain, fcport->d_id.b.area,
 722             fcport->d_id.b.al_pa, fcport->loop_id);
 723
 724         for (i = 0; i < n; i++) {
 725                 e = &vha->gnl.l[i];
 726                 wwn = wwn_to_u64(e->port_name);
 727                 id.b.domain = e->port_id[2];
 728                 id.b.area = e->port_id[1];
 729                 id.b.al_pa = e->port_id[0];
 730                 id.b.rsvd_1 = 0;
 731
 732                 if (memcmp((u8 *)&wwn, fcport->port_name, WWN_SIZE))
 733                         continue;
 734
 735                 if (IS_SW_RESV_ADDR(id))
 736                         continue;
 737
 738                 found = 1;
 739
 740                 loop_id = le16_to_cpu(e->nport_handle);
 741                 loop_id = (loop_id & 0x7fff);
 742                 nvme_cls = e->current_login_state >> 4;
 743                 current_login_state = e->current_login_state & 0xf;
 744
 745                 if (PRLI_PHASE(nvme_cls)) {
 746                         current_login_state = nvme_cls;
 747                         fcport->fc4_type &= ~FS_FC4TYPE_FCP;
 748                         fcport->fc4_type |= FS_FC4TYPE_NVME;
 749                 } else if (PRLI_PHASE(current_login_state)) {
 750                         fcport->fc4_type |= FS_FC4TYPE_FCP;
 751                         fcport->fc4_type &= ~FS_FC4TYPE_NVME;
 752                 }
 753
 754                 ql_dbg(ql_dbg_disc, vha, 0x20e2,
 755                     "%s found %8phC CLS [%x|%x] fc4_type %d ID[%06x|%06x] lid[%d|%d]\n",
 756                     __func__, fcport->port_name,
 757                     e->current_login_state, fcport->fw_login_state,
 758                     fcport->fc4_type, id.b24, fcport->d_id.b24,
 759                     loop_id, fcport->loop_id);
 760
 761                 switch (fcport->disc_state) {
 762                 case DSC_DELETE_PEND:
 763                 case DSC_DELETED:
 764                         break;
 765                 default:
 766                         if ((id.b24 != fcport->d_id.b24 &&
 767                             fcport->d_id.b24 &&
 768                             fcport->loop_id != FC_NO_LOOP_ID) ||
 769                             (fcport->loop_id != FC_NO_LOOP_ID &&
 770                                 fcport->loop_id != loop_id)) {
 771                                 ql_dbg(ql_dbg_disc, vha, 0x20e3,
 772                                     "%s %d %8phC post del sess\n",
 773                                     __func__, __LINE__, fcport->port_name);
 774                                 if (fcport->n2n_flag)
 775                                         fcport->d_id.b24 = 0;
 776                                 qlt_schedule_sess_for_deletion(fcport);
 777                                 return;
 778                         }
 779                         break;
 780                 }
 781
 782                 fcport->loop_id = loop_id;
 783                 if (fcport->n2n_flag)
 784                         fcport->d_id.b24 = id.b24;
 785
 786                 wwn = wwn_to_u64(fcport->port_name);
 787                 qlt_find_sess_invalidate_other(vha, wwn,
 788                         id, loop_id, &conflict_fcport);
 789
 790                 if (conflict_fcport) {
 791                         /*
 792                          * Another share fcport share the same loop_id &
 793                          * nport id. Conflict fcport needs to finish
 794                          * cleanup before this fcport can proceed to login.
 795                          */
 796                         conflict_fcport->conflict = fcport;
 797                         fcport->login_pause = 1;
 798                 }
 799
 800                 switch (vha->hw->current_topology) {
 801                 default:
 802                         switch (current_login_state) {
 803                         case DSC_LS_PRLI_COMP:
 804                                 ql_dbg(ql_dbg_disc,
 805                                     vha, 0x20e4, "%s %d %8phC post gpdb\n",
 806                                     __func__, __LINE__, fcport->port_name);
 807
 808                                 if ((e->prli_svc_param_word_3[0] & BIT_4) == 0)
 809                                         fcport->port_type = FCT_INITIATOR;
 810                                 else
 811                                         fcport->port_type = FCT_TARGET;
 812                                 data[0] = data[1] = 0;
 813                                 qla2x00_post_async_adisc_work(vha, fcport,
 814                                     data);
 815                                 break;
 816                         case DSC_LS_PLOGI_COMP:
 817                                 if (vha->hw->flags.edif_enabled) {
 818                                         /* check to see if App support Secure */
 819                                         qla24xx_post_gpdb_work(vha, fcport, 0);
 820                                         break;
 821                                 }
 822                                 fallthrough;
 823                         case DSC_LS_PORT_UNAVAIL:
 824                         default:
 825                                 if (fcport->loop_id == FC_NO_LOOP_ID) {
 826                                         qla2x00_find_new_loop_id(vha, fcport);
 827                                         fcport->fw_login_state =
 828                                             DSC_LS_PORT_UNAVAIL;
 829                                 }
 830                                 ql_dbg(ql_dbg_disc, vha, 0x20e5,
 831                                     "%s %d %8phC\n", __func__, __LINE__,
 832                                     fcport->port_name);
 833                                 qla24xx_fcport_handle_login(vha, fcport);
 834                                 break;
 835                         }
 836                         break;
 837                 case ISP_CFG_N:
 838                         fcport->fw_login_state = current_login_state;
 839                         fcport->d_id = id;
 840                         switch (current_login_state) {
 841                         case DSC_LS_PRLI_PEND:
 842                                 /*
 843                                  * In the middle of PRLI. Let it finish.
 844                                  * Allow relogin code to recheck state again
 845                                  * with GNL. Push disc_state back to DELETED
 846                                  * so GNL can go out again
 847                                  */
 848                                 qla2x00_set_fcport_disc_state(fcport,
 849                                     DSC_DELETED);
 850                                 set_bit(RELOGIN_NEEDED, &vha->dpc_flags);
 851                                 break;
 852                         case DSC_LS_PRLI_COMP:
 853                                 if ((e->prli_svc_param_word_3[0] & BIT_4) == 0)
 854                                         fcport->port_type = FCT_INITIATOR;
 855                                 else
 856                                         fcport->port_type = FCT_TARGET;
 857
 858                                 data[0] = data[1] = 0;
 859                                 qla2x00_post_async_adisc_work(vha, fcport,
 860                                     data);
 861                                 break;
 862                         case DSC_LS_PLOGI_COMP:
 863                                 if (vha->hw->flags.edif_enabled &&
 864                                     DBELL_ACTIVE(vha)) {
 865                                         /* check to see if App support secure or not */
 866                                         qla24xx_post_gpdb_work(vha, fcport, 0);
 867                                         break;
 868                                 }
 869                                 if (fcport_is_bigger(fcport)) {
 870                                         /* local adapter is smaller */
 871                                         if (fcport->loop_id != FC_NO_LOOP_ID)
 872                                                 qla2x00_clear_loop_id(fcport);
 873
 874                                         fcport->loop_id = loop_id;
 875                                         qla24xx_fcport_handle_login(vha,
 876                                             fcport);
 877                                         break;
 878                                 }
 879                                 fallthrough;
 880                         default:
 881                                 if (fcport_is_smaller(fcport)) {
 882                                         /* local adapter is bigger */
 883                                         if (fcport->loop_id != FC_NO_LOOP_ID)
 884                                                 qla2x00_clear_loop_id(fcport);
 885
 886                                         fcport->loop_id = loop_id;
 887                                         qla24xx_fcport_handle_login(vha,
 888                                             fcport);
 889                                 }
 890                                 break;
 891                         }
 892                         break;
 893                 } /* switch (ha->current_topology) */
 894         }
 895
 896         if (!found) {
 897                 switch (vha->hw->current_topology) {
 898                 case ISP_CFG_F:
 899                 case ISP_CFG_FL:
 900                         for (i = 0; i < n; i++) {
 901                                 e = &vha->gnl.l[i];
 902                                 id.b.domain = e->port_id[0];
 903                                 id.b.area = e->port_id[1];
 904                                 id.b.al_pa = e->port_id[2];
 905                                 id.b.rsvd_1 = 0;
 906                                 loop_id = le16_to_cpu(e->nport_handle);
 907
 908                                 if (fcport->d_id.b24 == id.b24) {
 909                                         conflict_fcport =
 910                                             qla2x00_find_fcport_by_wwpn(vha,
 911                                                 e->port_name, 0);
 912                                         if (conflict_fcport) {
 913                                                 ql_dbg(ql_dbg_disc + ql_dbg_verbose,
 914                                                     vha, 0x20e5,
 915                                                     "%s %d %8phC post del sess\n",
 916                                                     __func__, __LINE__,
 917                                                     conflict_fcport->port_name);
 918                                                 qlt_schedule_sess_for_deletion
 919                                                         (conflict_fcport);
 920                                         }
 921                                 }
 922                                 /*
 923                                  * FW already picked this loop id for
 924                                  * another fcport
 925                                  */
 926                                 if (fcport->loop_id == loop_id)
 927                                         fcport->loop_id = FC_NO_LOOP_ID;
 928                         }
 929                         qla24xx_fcport_handle_login(vha, fcport);
 930                         break;
 931                 case ISP_CFG_N:
 932                         qla2x00_set_fcport_disc_state(fcport, DSC_DELETED);
 933                         if (time_after_eq(jiffies, fcport->dm_login_expire)) {
 934                                 if (fcport->n2n_link_reset_cnt < 2) {
 935                                         fcport->n2n_link_reset_cnt++;
 936                                         /*
 937                                          * remote port is not sending PLOGI.
 938                                          * Reset link to kick start his state
 939                                          * machine
 940                                          */
 941                                         set_bit(N2N_LINK_RESET,
 942                                             &vha->dpc_flags);
 943                                 } else {
 944                                         if (fcport->n2n_chip_reset < 1) {
 945                                                 ql_log(ql_log_info, vha, 0x705d,
 946                                                     "Chip reset to bring laser down");
 947                                                 set_bit(ISP_ABORT_NEEDED,
 948                                                     &vha->dpc_flags);
 949                                                 fcport->n2n_chip_reset++;
 950                                         } else {
 951                                                 ql_log(ql_log_info, vha, 0x705d,
 952                                                     "Remote port %8ph is not coming back\n",
 953                                                     fcport->port_name);
 954                                                 fcport->scan_state = 0;
 955                                         }
 956                                 }
 957                                 qla2xxx_wake_dpc(vha);
 958                         } else {
 959                                 /*
 960                                  * report port suppose to do PLOGI. Give him
 961                                  * more time. FW will catch it.
 962                                  */
 963                                 set_bit(RELOGIN_NEEDED, &vha->dpc_flags);
 964                         }
 965                         break;
 966                 default:
 967                         break;
 968                 }
 969         }
 970 } /* gnl_event */
 971
 972 static void qla24xx_async_gnl_sp_done(srb_t *sp, int res)
 973 {
 974         struct scsi_qla_host *vha = sp->vha;
 975         unsigned long flags;
 976         struct fc_port *fcport = NULL, *tf;
 977         u16 i, n = 0, loop_id;
 978         struct event_arg ea;
 979         struct get_name_list_extended *e;
 980         u64 wwn;
 981         struct list_head h;
 982         bool found = false;
 983
 984         ql_dbg(ql_dbg_disc, vha, 0x20e7,
 985             "Async done-%s res %x mb[1]=%x mb[2]=%x \n",
 986             sp->name, res, sp->u.iocb_cmd.u.mbx.in_mb[1],
 987             sp->u.iocb_cmd.u.mbx.in_mb[2]);
 988
 989
 990         sp->fcport->flags &= ~(FCF_ASYNC_SENT|FCF_ASYNC_ACTIVE);
 991         memset(&ea, 0, sizeof(ea));
 992         ea.sp = sp;
 993         ea.rc = res;
 994
 995         if (sp->u.iocb_cmd.u.mbx.in_mb[1] >=
 996             sizeof(struct get_name_list_extended)) {
 997                 n = sp->u.iocb_cmd.u.mbx.in_mb[1] /
 998                     sizeof(struct get_name_list_extended);
 999                 ea.data[0] = sp->u.iocb_cmd.u.mbx.in_mb[1]; /* amnt xfered */
1000         }
1001
1002         for (i = 0; i < n; i++) {
1003                 e = &vha->gnl.l[i];
1004                 loop_id = le16_to_cpu(e->nport_handle);
1005                 /* mask out reserve bit */
1006                 loop_id = (loop_id & 0x7fff);
1007                 set_bit(loop_id, vha->hw->loop_id_map);
1008                 wwn = wwn_to_u64(e->port_name);
1009
1010                 ql_dbg(ql_dbg_disc, vha, 0x20e8,
1011                     "%s %8phC %02x:%02x:%02x CLS %x/%x lid %x \n",
1012                     __func__, &wwn, e->port_id[2], e->port_id[1],
1013                     e->port_id[0], e->current_login_state, e->last_login_state,
1014                     (loop_id & 0x7fff));
1015         }
1016
1017         spin_lock_irqsave(&vha->hw->tgt.sess_lock, flags);
1018
1019         INIT_LIST_HEAD(&h);
1020         fcport = tf = NULL;
1021         if (!list_empty(&vha->gnl.fcports))
1022                 list_splice_init(&vha->gnl.fcports, &h);
1023         spin_unlock_irqrestore(&vha->hw->tgt.sess_lock, flags);
1024
1025         list_for_each_entry_safe(fcport, tf, &h, gnl_entry) {
1026                 spin_lock_irqsave(&vha->hw->tgt.sess_lock, flags);
1027                 list_del_init(&fcport->gnl_entry);
1028                 fcport->flags &= ~(FCF_ASYNC_SENT | FCF_ASYNC_ACTIVE);
1029                 spin_unlock_irqrestore(&vha->hw->tgt.sess_lock, flags);
1030                 ea.fcport = fcport;
1031
1032                 qla24xx_handle_gnl_done_event(vha, &ea);
1033         }
1034
1035         /* create new fcport if fw has knowledge of new sessions */
1036         for (i = 0; i < n; i++) {
1037                 port_id_t id;
1038                 u64 wwnn;
1039
1040                 e = &vha->gnl.l[i];
1041                 wwn = wwn_to_u64(e->port_name);
1042
1043                 found = false;
1044                 list_for_each_entry_safe(fcport, tf, &vha->vp_fcports, list) {
1045                         if (!memcmp((u8 *)&wwn, fcport->port_name,
1046                             WWN_SIZE)) {
1047                                 found = true;
1048                                 break;
1049                         }
1050                 }
1051
1052                 id.b.domain = e->port_id[2];
1053                 id.b.area = e->port_id[1];
1054                 id.b.al_pa = e->port_id[0];
1055                 id.b.rsvd_1 = 0;
1056
1057                 if (!found && wwn && !IS_SW_RESV_ADDR(id)) {
1058                         ql_dbg(ql_dbg_disc, vha, 0x2065,
1059                             "%s %d %8phC %06x post new sess\n",
1060                             __func__, __LINE__, (u8 *)&wwn, id.b24);
1061                         wwnn = wwn_to_u64(e->node_name);
1062                         qla24xx_post_newsess_work(vha, &id, (u8 *)&wwn,
1063                             (u8 *)&wwnn, NULL, 0);
1064                 }
1065         }
1066
1067         spin_lock_irqsave(&vha->hw->tgt.sess_lock, flags);
1068         vha->gnl.sent = 0;
1069         if (!list_empty(&vha->gnl.fcports)) {
1070                 /* retrigger gnl */
1071                 list_for_each_entry_safe(fcport, tf, &vha->gnl.fcports,
1072                     gnl_entry) {
1073                         list_del_init(&fcport->gnl_entry);
1074                         fcport->flags &= ~(FCF_ASYNC_SENT | FCF_ASYNC_ACTIVE);
1075                         if (qla24xx_post_gnl_work(vha, fcport) == QLA_SUCCESS)
1076                                 break;
1077                 }
1078         }
1079         spin_unlock_irqrestore(&vha->hw->tgt.sess_lock, flags);
1080
1081         sp->free(sp);
1082 }
1083
1084 int qla24xx_async_gnl(struct scsi_qla_host *vha, fc_port_t *fcport)
1085 {
1086         srb_t *sp;
1087         struct srb_iocb *mbx;
1088         int rval = QLA_FUNCTION_FAILED;
1089         unsigned long flags;
1090         u16 *mb;
1091
1092         if (!vha->flags.online || (fcport->flags & FCF_ASYNC_SENT))
1093                 return rval;
1094
1095         ql_dbg(ql_dbg_disc, vha, 0x20d9,
1096             "Async-gnlist WWPN %8phC \n", fcport->port_name);
1097
1098         spin_lock_irqsave(&vha->hw->tgt.sess_lock, flags);
1099         fcport->flags |= FCF_ASYNC_SENT;
1100         qla2x00_set_fcport_disc_state(fcport, DSC_GNL);
1101         fcport->last_rscn_gen = fcport->rscn_gen;
1102         fcport->last_login_gen = fcport->login_gen;
1103
1104         list_add_tail(&fcport->gnl_entry, &vha->gnl.fcports);
1105         if (vha->gnl.sent) {
1106                 spin_unlock_irqrestore(&vha->hw->tgt.sess_lock, flags);
1107                 return QLA_SUCCESS;
1108         }
1109         vha->gnl.sent = 1;
1110         spin_unlock_irqrestore(&vha->hw->tgt.sess_lock, flags);
1111
1112         sp = qla2x00_get_sp(vha, fcport, GFP_KERNEL);
1113         if (!sp)
1114                 goto done;
1115
1116         sp->type = SRB_MB_IOCB;
1117         sp->name = "gnlist";
1118         sp->gen1 = fcport->rscn_gen;
1119         sp->gen2 = fcport->login_gen;
1120
1121         mbx = &sp->u.iocb_cmd;
1122         mbx->timeout = qla2x00_async_iocb_timeout;
1123         qla2x00_init_timer(sp, qla2x00_get_async_timeout(vha)+2);
1124
1125         mb = sp->u.iocb_cmd.u.mbx.out_mb;
1126         mb[0] = MBC_PORT_NODE_NAME_LIST;
1127         mb[1] = BIT_2 | BIT_3;
1128         mb[2] = MSW(vha->gnl.ldma);
1129         mb[3] = LSW(vha->gnl.ldma);
1130         mb[6] = MSW(MSD(vha->gnl.ldma));
1131         mb[7] = LSW(MSD(vha->gnl.ldma));
1132         mb[8] = vha->gnl.size;
1133         mb[9] = vha->vp_idx;
1134
1135         sp->done = qla24xx_async_gnl_sp_done;
1136
1137         ql_dbg(ql_dbg_disc, vha, 0x20da,
1138             "Async-%s - OUT WWPN %8phC hndl %x\n",
1139             sp->name, fcport->port_name, sp->handle);
1140
1141         rval = qla2x00_start_sp(sp);
1142         if (rval != QLA_SUCCESS)
1143                 goto done_free_sp;
1144
1145         return rval;
1146
1147 done_free_sp:
1148         sp->free(sp);
1149 done:
1150         fcport->flags &= ~(FCF_ASYNC_ACTIVE | FCF_ASYNC_SENT);
1151         return rval;
1152 }
1153
1154 int qla24xx_post_gnl_work(struct scsi_qla_host *vha, fc_port_t *fcport)
1155 {
1156         struct qla_work_evt *e;
1157
1158         e = qla2x00_alloc_work(vha, QLA_EVT_GNL);
1159         if (!e)
1160                 return QLA_FUNCTION_FAILED;
1161
1162         e->u.fcport.fcport = fcport;
1163         fcport->flags |= FCF_ASYNC_ACTIVE;
1164         return qla2x00_post_work(vha, e);
1165 }
1166
1167 static void qla24xx_async_gpdb_sp_done(srb_t *sp, int res)
1168 {
1169         struct scsi_qla_host *vha = sp->vha;
1170         struct qla_hw_data *ha = vha->hw;
1171         fc_port_t *fcport = sp->fcport;
1172         u16 *mb = sp->u.iocb_cmd.u.mbx.in_mb;
1173         struct event_arg ea;
1174
1175         ql_dbg(ql_dbg_disc, vha, 0x20db,
1176             "Async done-%s res %x, WWPN %8phC mb[1]=%x mb[2]=%x \n",
1177             sp->name, res, fcport->port_name, mb[1], mb[2]);
1178
1179         fcport->flags &= ~(FCF_ASYNC_SENT | FCF_ASYNC_ACTIVE);
1180
1181         if (res == QLA_FUNCTION_TIMEOUT)
1182                 goto done;
1183
1184         memset(&ea, 0, sizeof(ea));
1185         ea.fcport = fcport;
1186         ea.sp = sp;
1187
1188         qla24xx_handle_gpdb_event(vha, &ea);
1189
1190 done:
1191         dma_pool_free(ha->s_dma_pool, sp->u.iocb_cmd.u.mbx.in,
1192                 sp->u.iocb_cmd.u.mbx.in_dma);
1193
1194         sp->free(sp);
1195 }
1196
1197 int qla24xx_post_prli_work(struct scsi_qla_host *vha, fc_port_t *fcport)
1198 {
1199         struct qla_work_evt *e;
1200
1201         if (vha->host->active_mode == MODE_TARGET)
1202                 return QLA_FUNCTION_FAILED;
1203
1204         e = qla2x00_alloc_work(vha, QLA_EVT_PRLI);
1205         if (!e)
1206                 return QLA_FUNCTION_FAILED;
1207
1208         e->u.fcport.fcport = fcport;
1209
1210         return qla2x00_post_work(vha, e);
1211 }
1212
1213 static void qla2x00_async_prli_sp_done(srb_t *sp, int res)
1214 {
1215         struct scsi_qla_host *vha = sp->vha;
1216         struct srb_iocb *lio = &sp->u.iocb_cmd;
1217         struct event_arg ea;
1218
1219         ql_dbg(ql_dbg_disc, vha, 0x2129,
1220             "%s %8phC res %x\n", __func__,
1221             sp->fcport->port_name, res);
1222
1223         sp->fcport->flags &= ~FCF_ASYNC_SENT;
1224
1225         if (!test_bit(UNLOADING, &vha->dpc_flags)) {
1226                 memset(&ea, 0, sizeof(ea));
1227                 ea.fcport = sp->fcport;
1228                 ea.data[0] = lio->u.logio.data[0];
1229                 ea.data[1] = lio->u.logio.data[1];
1230                 ea.iop[0] = lio->u.logio.iop[0];
1231                 ea.iop[1] = lio->u.logio.iop[1];
1232                 ea.sp = sp;
1233                 if (res == QLA_OS_TIMER_EXPIRED)
1234                         ea.data[0] = QLA_OS_TIMER_EXPIRED;
1235
1236                 qla24xx_handle_prli_done_event(vha, &ea);
1237         }
1238
1239         sp->free(sp);
1240 }
1241
1242 int
1243 qla24xx_async_prli(struct scsi_qla_host *vha, fc_port_t *fcport)
1244 {
1245         srb_t *sp;
1246         struct srb_iocb *lio;
1247         int rval = QLA_FUNCTION_FAILED;
1248
1249         if (!vha->flags.online) {
1250                 ql_dbg(ql_dbg_disc, vha, 0xffff, "%s %d %8phC exit\n",
1251                     __func__, __LINE__, fcport->port_name);
1252                 return rval;
1253         }
1254
1255         if ((fcport->fw_login_state == DSC_LS_PLOGI_PEND ||
1256             fcport->fw_login_state == DSC_LS_PRLI_PEND) &&
1257             qla_dual_mode_enabled(vha)) {
1258                 ql_dbg(ql_dbg_disc, vha, 0xffff, "%s %d %8phC exit\n",
1259                     __func__, __LINE__, fcport->port_name);
1260                 return rval;
1261         }
1262
1263         sp = qla2x00_get_sp(vha, fcport, GFP_KERNEL);
1264         if (!sp)
1265                 return rval;
1266
1267         fcport->flags |= FCF_ASYNC_SENT;
1268         fcport->logout_completed = 0;
1269
1270         sp->type = SRB_PRLI_CMD;
1271         sp->name = "prli";
1272
1273         lio = &sp->u.iocb_cmd;
1274         lio->timeout = qla2x00_async_iocb_timeout;
1275         qla2x00_init_timer(sp, qla2x00_get_async_timeout(vha) + 2);
1276
1277         sp->done = qla2x00_async_prli_sp_done;
1278         lio->u.logio.flags = 0;
1279
1280         if (NVME_TARGET(vha->hw, fcport))
1281                 lio->u.logio.flags |= SRB_LOGIN_NVME_PRLI;
1282
1283         ql_dbg(ql_dbg_disc, vha, 0x211b,
1284             "Async-prli - %8phC hdl=%x, loopid=%x portid=%06x retries=%d fc4type %x priority %x %s.\n",
1285             fcport->port_name, sp->handle, fcport->loop_id, fcport->d_id.b24,
1286             fcport->login_retry, fcport->fc4_type, vha->hw->fc4_type_priority,
1287             NVME_TARGET(vha->hw, fcport) ? "nvme" : "fcp");
1288
1289         rval = qla2x00_start_sp(sp);
1290         if (rval != QLA_SUCCESS) {
1291                 fcport->flags |= FCF_LOGIN_NEEDED;
1292                 set_bit(RELOGIN_NEEDED, &vha->dpc_flags);
1293                 goto done_free_sp;
1294         }
1295
1296         return rval;
1297
1298 done_free_sp:
1299         sp->free(sp);
1300         fcport->flags &= ~FCF_ASYNC_SENT;
1301         return rval;
1302 }
1303
1304 int qla24xx_post_gpdb_work(struct scsi_qla_host *vha, fc_port_t *fcport, u8 opt)
1305 {
1306         struct qla_work_evt *e;
1307
1308         e = qla2x00_alloc_work(vha, QLA_EVT_GPDB);
1309         if (!e)
1310                 return QLA_FUNCTION_FAILED;
1311
1312         e->u.fcport.fcport = fcport;
1313         e->u.fcport.opt = opt;
1314         fcport->flags |= FCF_ASYNC_ACTIVE;
1315         return qla2x00_post_work(vha, e);
1316 }
1317
1318 int qla24xx_async_gpdb(struct scsi_qla_host *vha, fc_port_t *fcport, u8 opt)
1319 {
1320         srb_t *sp;
1321         struct srb_iocb *mbx;
1322         int rval = QLA_FUNCTION_FAILED;
1323         u16 *mb;
1324         dma_addr_t pd_dma;
1325         struct port_database_24xx *pd;
1326         struct qla_hw_data *ha = vha->hw;
1327
1328         if (!vha->flags.online || (fcport->flags & FCF_ASYNC_SENT) ||
1329             fcport->loop_id == FC_NO_LOOP_ID) {
1330                 ql_log(ql_log_warn, vha, 0xffff,
1331                     "%s: %8phC - not sending command.\n",
1332                     __func__, fcport->port_name);
1333                 return rval;
1334         }
1335
1336         sp = qla2x00_get_sp(vha, fcport, GFP_KERNEL);
1337         if (!sp)
1338                 goto done;
1339
1340         qla2x00_set_fcport_disc_state(fcport, DSC_GPDB);
1341
1342         fcport->flags |= FCF_ASYNC_SENT;
1343         sp->type = SRB_MB_IOCB;
1344         sp->name = "gpdb";
1345         sp->gen1 = fcport->rscn_gen;
1346         sp->gen2 = fcport->login_gen;
1347
1348         mbx = &sp->u.iocb_cmd;
1349         mbx->timeout = qla2x00_async_iocb_timeout;
1350         qla2x00_init_timer(sp, qla2x00_get_async_timeout(vha) + 2);
1351
1352         pd = dma_pool_zalloc(ha->s_dma_pool, GFP_KERNEL, &pd_dma);
1353         if (pd == NULL) {
1354                 ql_log(ql_log_warn, vha, 0xd043,
1355                     "Failed to allocate port database structure.\n");
1356                 goto done_free_sp;
1357         }
1358
1359         mb = sp->u.iocb_cmd.u.mbx.out_mb;
1360         mb[0] = MBC_GET_PORT_DATABASE;
1361         mb[1] = fcport->loop_id;
1362         mb[2] = MSW(pd_dma);
1363         mb[3] = LSW(pd_dma);
1364         mb[6] = MSW(MSD(pd_dma));
1365         mb[7] = LSW(MSD(pd_dma));
1366         mb[9] = vha->vp_idx;
1367         mb[10] = opt;
1368
1369         mbx->u.mbx.in = pd;
1370         mbx->u.mbx.in_dma = pd_dma;
1371
1372         sp->done = qla24xx_async_gpdb_sp_done;
1373
1374         ql_dbg(ql_dbg_disc, vha, 0x20dc,
1375             "Async-%s %8phC hndl %x opt %x\n",
1376             sp->name, fcport->port_name, sp->handle, opt);
1377
1378         rval = qla2x00_start_sp(sp);
1379         if (rval != QLA_SUCCESS)
1380                 goto done_free_sp;
1381         return rval;
1382
1383 done_free_sp:
1384         if (pd)
1385                 dma_pool_free(ha->s_dma_pool, pd, pd_dma);
1386
1387         sp->free(sp);
1388         fcport->flags &= ~FCF_ASYNC_SENT;
1389 done:
1390         fcport->flags &= ~FCF_ASYNC_ACTIVE;
1391         qla24xx_post_gpdb_work(vha, fcport, opt);
1392         return rval;
1393 }
1394
1395 static
1396 void __qla24xx_handle_gpdb_event(scsi_qla_host_t *vha, struct event_arg *ea)
1397 {
1398         unsigned long flags;
1399
1400         spin_lock_irqsave(&vha->hw->tgt.sess_lock, flags);
1401         ea->fcport->login_gen++;
1402         ea->fcport->deleted = 0;
1403         ea->fcport->logout_on_delete = 1;
1404
1405         if (!ea->fcport->login_succ && !IS_SW_RESV_ADDR(ea->fcport->d_id)) {
1406                 vha->fcport_count++;
1407                 ea->fcport->login_succ = 1;
1408
1409                 spin_unlock_irqrestore(&vha->hw->tgt.sess_lock, flags);
1410                 qla24xx_sched_upd_fcport(ea->fcport);
1411                 spin_lock_irqsave(&vha->hw->tgt.sess_lock, flags);
1412         } else if (ea->fcport->login_succ) {
1413                 /*
1414                  * We have an existing session. A late RSCN delivery
1415                  * must have triggered the session to be re-validate.
1416                  * Session is still valid.
1417                  */
1418                 ql_dbg(ql_dbg_disc, vha, 0x20d6,
1419                     "%s %d %8phC session revalidate success\n",
1420                     __func__, __LINE__, ea->fcport->port_name);
1421                 qla2x00_set_fcport_disc_state(ea->fcport, DSC_LOGIN_COMPLETE);
1422         }
1423         spin_unlock_irqrestore(&vha->hw->tgt.sess_lock, flags);
1424 }
1425
1426 static int      qla_chk_secure_login(scsi_qla_host_t    *vha, fc_port_t *fcport,
1427         struct port_database_24xx *pd)
1428 {
1429         int rc = 0;
1430
1431         if (pd->secure_login) {
1432                 ql_dbg(ql_dbg_disc, vha, 0x104d,
1433                     "Secure Login established on %8phC\n",
1434                     fcport->port_name);
1435                 fcport->flags |= FCF_FCSP_DEVICE;
1436         } else {
1437                 ql_dbg(ql_dbg_disc, vha, 0x104d,
1438                     "non-Secure Login %8phC",
1439                     fcport->port_name);
1440                 fcport->flags &= ~FCF_FCSP_DEVICE;
1441         }
1442         if (vha->hw->flags.edif_enabled) {
1443                 if (fcport->flags & FCF_FCSP_DEVICE) {
1444                         qla2x00_set_fcport_disc_state(fcport, DSC_LOGIN_AUTH_PEND);
1445                         /* Start edif prli timer & ring doorbell for app */
1446                         fcport->edif.rx_sa_set = 0;
1447                         fcport->edif.tx_sa_set = 0;
1448                         fcport->edif.rx_sa_pending = 0;
1449                         fcport->edif.tx_sa_pending = 0;
1450
1451                         qla2x00_post_aen_work(vha, FCH_EVT_PORT_ONLINE,
1452                             fcport->d_id.b24);
1453
1454                         if (DBELL_ACTIVE(vha)) {
1455                                 ql_dbg(ql_dbg_disc, vha, 0x20ef,
1456                                     "%s %d %8phC EDIF: post DB_AUTH: AUTH needed\n",
1457                                     __func__, __LINE__, fcport->port_name);
1458                                 fcport->edif.app_started = 1;
1459                                 fcport->edif.app_sess_online = 1;
1460
1461                                 qla_edb_eventcreate(vha, VND_CMD_AUTH_STATE_NEEDED,
1462                                     fcport->d_id.b24, 0, fcport);
1463                         }
1464
1465                         rc = 1;
1466                 } else if (qla_ini_mode_enabled(vha) || qla_dual_mode_enabled(vha)) {
1467                         ql_dbg(ql_dbg_disc, vha, 0x2117,
1468                             "%s %d %8phC post prli\n",
1469                             __func__, __LINE__, fcport->port_name);
1470                         qla24xx_post_prli_work(vha, fcport);
1471                         rc = 1;
1472                 }
1473         }
1474         return rc;
1475 }
1476
1477 static
1478 void qla24xx_handle_gpdb_event(scsi_qla_host_t *vha, struct event_arg *ea)
1479 {
1480         fc_port_t *fcport = ea->fcport;
1481         struct port_database_24xx *pd;
1482         struct srb *sp = ea->sp;
1483         uint8_t ls;
1484
1485         pd = (struct port_database_24xx *)sp->u.iocb_cmd.u.mbx.in;
1486
1487         fcport->flags &= ~FCF_ASYNC_SENT;
1488
1489         ql_dbg(ql_dbg_disc, vha, 0x20d2,
1490             "%s %8phC DS %d LS %x fc4_type %x rc %x\n", __func__,
1491             fcport->port_name, fcport->disc_state, pd->current_login_state,
1492             fcport->fc4_type, ea->rc);
1493
1494         if (fcport->disc_state == DSC_DELETE_PEND) {
1495                 ql_dbg(ql_dbg_disc, vha, 0x20d5, "%s %d %8phC\n",
1496                        __func__, __LINE__, fcport->port_name);
1497                 return;
1498         }
1499
1500         if (NVME_TARGET(vha->hw, fcport))
1501                 ls = pd->current_login_state >> 4;
1502         else
1503                 ls = pd->current_login_state & 0xf;
1504
1505         if (ea->sp->gen2 != fcport->login_gen) {
1506                 /* target side must have changed it. */
1507
1508                 ql_dbg(ql_dbg_disc, vha, 0x20d3,
1509                     "%s %8phC generation changed\n",
1510                     __func__, fcport->port_name);
1511                 return;
1512         } else if (ea->sp->gen1 != fcport->rscn_gen) {
1513                 qla_rscn_replay(fcport);
1514                 qlt_schedule_sess_for_deletion(fcport);
1515                 ql_dbg(ql_dbg_disc, vha, 0x20d5, "%s %d %8phC, ls %x\n",
1516                        __func__, __LINE__, fcport->port_name, ls);
1517                 return;
1518         }
1519
1520         switch (ls) {
1521         case PDS_PRLI_COMPLETE:
1522                 __qla24xx_parse_gpdb(vha, fcport, pd);
1523                 break;
1524         case PDS_PLOGI_COMPLETE:
1525                 if (qla_chk_secure_login(vha, fcport, pd)) {
1526                         ql_dbg(ql_dbg_disc, vha, 0x20d5, "%s %d %8phC, ls %x\n",
1527                                __func__, __LINE__, fcport->port_name, ls);
1528                         return;
1529                 }
1530                 fallthrough;
1531         case PDS_PLOGI_PENDING:
1532         case PDS_PRLI_PENDING:
1533         case PDS_PRLI2_PENDING:
1534                 /* Set discovery state back to GNL to Relogin attempt */
1535                 if (qla_dual_mode_enabled(vha) ||
1536                     qla_ini_mode_enabled(vha)) {
1537                         qla2x00_set_fcport_disc_state(fcport, DSC_GNL);
1538                         set_bit(RELOGIN_NEEDED, &vha->dpc_flags);
1539                 }
1540                 ql_dbg(ql_dbg_disc, vha, 0x20d5, "%s %d %8phC, ls %x\n",
1541                        __func__, __LINE__, fcport->port_name, ls);
1542                 return;
1543         case PDS_LOGO_PENDING:
1544         case PDS_PORT_UNAVAILABLE:
1545         default:
1546                 ql_dbg(ql_dbg_disc, vha, 0x20d5, "%s %d %8phC post del sess\n",
1547                     __func__, __LINE__, fcport->port_name);
1548                 qlt_schedule_sess_for_deletion(fcport);
1549                 return;
1550         }
1551         __qla24xx_handle_gpdb_event(vha, ea);
1552 } /* gpdb event */
1553
1554 static void qla_chk_n2n_b4_login(struct scsi_qla_host *vha, fc_port_t *fcport)
1555 {
1556         u8 login = 0;
1557         int rc;
1558
1559         if (qla_tgt_mode_enabled(vha))
1560                 return;
1561
1562         if (qla_dual_mode_enabled(vha)) {
1563                 if (N2N_TOPO(vha->hw)) {
1564                         u64 mywwn, wwn;
1565
1566                         mywwn = wwn_to_u64(vha->port_name);
1567                         wwn = wwn_to_u64(fcport->port_name);
1568                         if (mywwn > wwn)
1569                                 login = 1;
1570                         else if ((fcport->fw_login_state == DSC_LS_PLOGI_COMP)
1571                             && time_after_eq(jiffies,
1572                                     fcport->plogi_nack_done_deadline))
1573                                 login = 1;
1574                 } else {
1575                         login = 1;
1576                 }
1577         } else {
1578                 /* initiator mode */
1579                 login = 1;
1580         }
1581
1582         if (login && fcport->login_retry) {
1583                 fcport->login_retry--;
1584                 if (fcport->loop_id == FC_NO_LOOP_ID) {
1585                         fcport->fw_login_state = DSC_LS_PORT_UNAVAIL;
1586                         rc = qla2x00_find_new_loop_id(vha, fcport);
1587                         if (rc) {
1588                                 ql_dbg(ql_dbg_disc, vha, 0x20e6,
1589                                     "%s %d %8phC post del sess - out of loopid\n",
1590                                     __func__, __LINE__, fcport->port_name);
1591                                 fcport->scan_state = 0;
1592                                 qlt_schedule_sess_for_deletion(fcport);
1593                                 return;
1594                         }
1595                 }
1596                 ql_dbg(ql_dbg_disc, vha, 0x20bf,
1597                     "%s %d %8phC post login\n",
1598                     __func__, __LINE__, fcport->port_name);
1599                 qla2x00_post_async_login_work(vha, fcport, NULL);
1600         }
1601 }
1602
1603 int qla24xx_fcport_handle_login(struct scsi_qla_host *vha, fc_port_t *fcport)
1604 {
1605         u16 data[2];
1606         u64 wwn;
1607         u16 sec;
1608
1609         ql_dbg(ql_dbg_disc, vha, 0x20d8,
1610             "%s %8phC DS %d LS %d P %d fl %x confl %p rscn %d|%d login %d lid %d scan %d fc4type %x\n",
1611             __func__, fcport->port_name, fcport->disc_state,
1612             fcport->fw_login_state, fcport->login_pause, fcport->flags,
1613             fcport->conflict, fcport->last_rscn_gen, fcport->rscn_gen,
1614             fcport->login_gen, fcport->loop_id, fcport->scan_state,
1615             fcport->fc4_type);
1616
1617         if (fcport->scan_state != QLA_FCPORT_FOUND)
1618                 return 0;
1619
1620         if ((fcport->loop_id != FC_NO_LOOP_ID) &&
1621             qla_dual_mode_enabled(vha) &&
1622             ((fcport->fw_login_state == DSC_LS_PLOGI_PEND) ||
1623              (fcport->fw_login_state == DSC_LS_PRLI_PEND)))
1624                 return 0;
1625
1626         if (fcport->fw_login_state == DSC_LS_PLOGI_COMP &&
1627             !N2N_TOPO(vha->hw)) {
1628                 if (time_before_eq(jiffies, fcport->plogi_nack_done_deadline)) {
1629                         set_bit(RELOGIN_NEEDED, &vha->dpc_flags);
1630                         return 0;
1631                 }
1632         }
1633
1634         /* Target won't initiate port login if fabric is present */
1635         if (vha->host->active_mode == MODE_TARGET && !N2N_TOPO(vha->hw))
1636                 return 0;
1637
1638         if (fcport->flags & FCF_ASYNC_SENT) {
1639                 set_bit(RELOGIN_NEEDED, &vha->dpc_flags);
1640                 return 0;
1641         }
1642
1643         switch (fcport->disc_state) {
1644         case DSC_DELETED:
1645                 wwn = wwn_to_u64(fcport->node_name);
1646                 switch (vha->hw->current_topology) {
1647                 case ISP_CFG_N:
1648                         if (fcport_is_smaller(fcport)) {
1649                                 /* this adapter is bigger */
1650                                 if (fcport->login_retry) {
1651                                         if (fcport->loop_id == FC_NO_LOOP_ID) {
1652                                                 qla2x00_find_new_loop_id(vha,
1653                                                     fcport);
1654                                                 fcport->fw_login_state =
1655                                                     DSC_LS_PORT_UNAVAIL;
1656                                         }
1657                                         fcport->login_retry--;
1658                                         qla_post_els_plogi_work(vha, fcport);
1659                                 } else {
1660                                         ql_log(ql_log_info, vha, 0x705d,
1661                                             "Unable to reach remote port %8phC",
1662                                             fcport->port_name);
1663                                 }
1664                         } else {
1665                                 qla24xx_post_gnl_work(vha, fcport);
1666                         }
1667                         break;
1668                 default:
1669                         if (wwn == 0)    {
1670                                 ql_dbg(ql_dbg_disc, vha, 0xffff,
1671                                     "%s %d %8phC post GNNID\n",
1672                                     __func__, __LINE__, fcport->port_name);
1673                                 qla24xx_post_gnnid_work(vha, fcport);
1674                         } else if (fcport->loop_id == FC_NO_LOOP_ID) {
1675                                 ql_dbg(ql_dbg_disc, vha, 0x20bd,
1676                                     "%s %d %8phC post gnl\n",
1677                                     __func__, __LINE__, fcport->port_name);
1678                                 qla24xx_post_gnl_work(vha, fcport);
1679                         } else {
1680                                 qla_chk_n2n_b4_login(vha, fcport);
1681                         }
1682                         break;
1683                 }
1684                 break;
1685
1686         case DSC_GNL:
1687                 switch (vha->hw->current_topology) {
1688                 case ISP_CFG_N:
1689                         if ((fcport->current_login_state & 0xf) == 0x6) {
1690                                 ql_dbg(ql_dbg_disc, vha, 0x2118,
1691                                     "%s %d %8phC post GPDB work\n",
1692                                     __func__, __LINE__, fcport->port_name);
1693                                 fcport->chip_reset =
1694                                         vha->hw->base_qpair->chip_reset;
1695                                 qla24xx_post_gpdb_work(vha, fcport, 0);
1696                         }  else {
1697                                 ql_dbg(ql_dbg_disc, vha, 0x2118,
1698                                     "%s %d %8phC post %s PRLI\n",
1699                                     __func__, __LINE__, fcport->port_name,
1700                                     NVME_TARGET(vha->hw, fcport) ? "NVME" :
1701                                     "FC");
1702                                 qla24xx_post_prli_work(vha, fcport);
1703                         }
1704                         break;
1705                 default:
1706                         if (fcport->login_pause) {
1707                                 ql_dbg(ql_dbg_disc, vha, 0x20d8,
1708                                     "%s %d %8phC exit\n",
1709                                     __func__, __LINE__,
1710                                     fcport->port_name);
1711                                 fcport->last_rscn_gen = fcport->rscn_gen;
1712                                 fcport->last_login_gen = fcport->login_gen;
1713                                 set_bit(RELOGIN_NEEDED, &vha->dpc_flags);
1714                                 break;
1715                         }
1716                         qla_chk_n2n_b4_login(vha, fcport);
1717                         break;
1718                 }
1719                 break;
1720
1721         case DSC_LOGIN_FAILED:
1722                 if (N2N_TOPO(vha->hw))
1723                         qla_chk_n2n_b4_login(vha, fcport);
1724                 else
1725                         qlt_schedule_sess_for_deletion(fcport);
1726                 break;
1727
1728         case DSC_LOGIN_COMPLETE:
1729                 /* recheck login state */
1730                 data[0] = data[1] = 0;
1731                 qla2x00_post_async_adisc_work(vha, fcport, data);
1732                 break;
1733
1734         case DSC_LOGIN_PEND:
1735                 if (fcport->fw_login_state == DSC_LS_PLOGI_COMP)
1736                         qla24xx_post_prli_work(vha, fcport);
1737                 break;
1738
1739         case DSC_UPD_FCPORT:
1740                 sec =  jiffies_to_msecs(jiffies -
1741                     fcport->jiffies_at_registration)/1000;
1742                 if (fcport->sec_since_registration < sec && sec &&
1743                     !(sec % 60)) {
1744                         fcport->sec_since_registration = sec;
1745                         ql_dbg(ql_dbg_disc, fcport->vha, 0xffff,
1746                             "%s %8phC - Slow Rport registration(%d Sec)\n",
1747                             __func__, fcport->port_name, sec);
1748                 }
1749
1750                 if (fcport->next_disc_state != DSC_DELETE_PEND)
1751                         fcport->next_disc_state = DSC_ADISC;
1752                 set_bit(RELOGIN_NEEDED, &vha->dpc_flags);
1753                 break;
1754
1755         default:
1756                 break;
1757         }
1758
1759         return 0;
1760 }
1761
1762 int qla24xx_post_newsess_work(struct scsi_qla_host *vha, port_id_t *id,
1763     u8 *port_name, u8 *node_name, void *pla, u8 fc4_type)
1764 {
1765         struct qla_work_evt *e;
1766
1767         e = qla2x00_alloc_work(vha, QLA_EVT_NEW_SESS);
1768         if (!e)
1769                 return QLA_FUNCTION_FAILED;
1770
1771         e->u.new_sess.id = *id;
1772         e->u.new_sess.pla = pla;
1773         e->u.new_sess.fc4_type = fc4_type;
1774         memcpy(e->u.new_sess.port_name, port_name, WWN_SIZE);
1775         if (node_name)
1776                 memcpy(e->u.new_sess.node_name, node_name, WWN_SIZE);
1777
1778         return qla2x00_post_work(vha, e);
1779 }
1780
1781 void qla2x00_handle_rscn(scsi_qla_host_t *vha, struct event_arg *ea)
1782 {
1783         fc_port_t *fcport;
1784         unsigned long flags;
1785
1786         switch (ea->id.b.rsvd_1) {
1787         case RSCN_PORT_ADDR:
1788                 fcport = qla2x00_find_fcport_by_nportid(vha, &ea->id, 1);
1789                 if (fcport) {
1790                         if (fcport->flags & FCF_FCP2_DEVICE) {
1791                                 ql_dbg(ql_dbg_disc, vha, 0x2115,
1792                                        "Delaying session delete for FCP2 portid=%06x %8phC ",
1793                                         fcport->d_id.b24, fcport->port_name);
1794                                 return;
1795                         }
1796
1797                         if (vha->hw->flags.edif_enabled && DBELL_ACTIVE(vha)) {
1798                                 /*
1799                                  * On ipsec start by remote port, Target port
1800                                  * may use RSCN to trigger initiator to
1801                                  * relogin. If driver is already in the
1802                                  * process of a relogin, then ignore the RSCN
1803                                  * and allow the current relogin to continue.
1804                                  * This reduces thrashing of the connection.
1805                                  */
1806                                 if (atomic_read(&fcport->state) == FCS_ONLINE) {
1807                                         /*
1808                                          * If state = online, then set scan_needed=1 to do relogin.
1809                                          * Otherwise we're already in the middle of a relogin
1810                                          */
1811                                         fcport->scan_needed = 1;
1812                                         fcport->rscn_gen++;
1813                                 }
1814                         } else {
1815                                 fcport->scan_needed = 1;
1816                                 fcport->rscn_gen++;
1817                         }
1818                 }
1819                 break;
1820         case RSCN_AREA_ADDR:
1821                 list_for_each_entry(fcport, &vha->vp_fcports, list) {
1822                         if (fcport->flags & FCF_FCP2_DEVICE)
1823                                 continue;
1824
1825                         if ((ea->id.b24 & 0xffff00) == (fcport->d_id.b24 & 0xffff00)) {
1826                                 fcport->scan_needed = 1;
1827                                 fcport->rscn_gen++;
1828                         }
1829                 }
1830                 break;
1831         case RSCN_DOM_ADDR:
1832                 list_for_each_entry(fcport, &vha->vp_fcports, list) {
1833                         if (fcport->flags & FCF_FCP2_DEVICE)
1834                                 continue;
1835
1836                         if ((ea->id.b24 & 0xff0000) == (fcport->d_id.b24 & 0xff0000)) {
1837                                 fcport->scan_needed = 1;
1838                                 fcport->rscn_gen++;
1839                         }
1840                 }
1841                 break;
1842         case RSCN_FAB_ADDR:
1843         default:
1844                 list_for_each_entry(fcport, &vha->vp_fcports, list) {
1845                         if (fcport->flags & FCF_FCP2_DEVICE)
1846                                 continue;
1847
1848                         fcport->scan_needed = 1;
1849                         fcport->rscn_gen++;
1850                 }
1851                 break;
1852         }
1853
1854         spin_lock_irqsave(&vha->work_lock, flags);
1855         if (vha->scan.scan_flags == 0) {
1856                 ql_dbg(ql_dbg_disc, vha, 0xffff, "%s: schedule\n", __func__);
1857                 vha->scan.scan_flags |= SF_QUEUED;
1858                 schedule_delayed_work(&vha->scan.scan_work, 5);
1859         }
1860         spin_unlock_irqrestore(&vha->work_lock, flags);
1861 }
1862
1863 void qla24xx_handle_relogin_event(scsi_qla_host_t *vha,
1864         struct event_arg *ea)
1865 {
1866         fc_port_t *fcport = ea->fcport;
1867
1868         if (test_bit(UNLOADING, &vha->dpc_flags))
1869                 return;
1870
1871         ql_dbg(ql_dbg_disc, vha, 0x2102,
1872             "%s %8phC DS %d LS %d P %d del %d cnfl %p rscn %d|%d login %d|%d fl %x\n",
1873             __func__, fcport->port_name, fcport->disc_state,
1874             fcport->fw_login_state, fcport->login_pause,
1875             fcport->deleted, fcport->conflict,
1876             fcport->last_rscn_gen, fcport->rscn_gen,
1877             fcport->last_login_gen, fcport->login_gen,
1878             fcport->flags);
1879
1880         if (fcport->last_rscn_gen != fcport->rscn_gen) {
1881                 ql_dbg(ql_dbg_disc, vha, 0x20e9, "%s %d %8phC post gnl\n",
1882                     __func__, __LINE__, fcport->port_name);
1883                 qla24xx_post_gnl_work(vha, fcport);
1884                 return;
1885         }
1886
1887         qla24xx_fcport_handle_login(vha, fcport);
1888 }
1889
1890 void qla_handle_els_plogi_done(scsi_qla_host_t *vha,
1891                                       struct event_arg *ea)
1892 {
1893         if (N2N_TOPO(vha->hw) && fcport_is_smaller(ea->fcport) &&
1894             vha->hw->flags.edif_enabled) {
1895                 /* check to see if App support Secure */
1896                 qla24xx_post_gpdb_work(vha, ea->fcport, 0);
1897                 return;
1898         }
1899
1900         /* for pure Target Mode, PRLI will not be initiated */
1901         if (vha->host->active_mode == MODE_TARGET)
1902                 return;
1903
1904         ql_dbg(ql_dbg_disc, vha, 0x2118,
1905             "%s %d %8phC post PRLI\n",
1906             __func__, __LINE__, ea->fcport->port_name);
1907         qla24xx_post_prli_work(vha, ea->fcport);
1908 }
1909
1910 /*
1911  * RSCN(s) came in for this fcport, but the RSCN(s) was not able
1912  * to be consumed by the fcport
1913  */
1914 void qla_rscn_replay(fc_port_t *fcport)
1915 {
1916         struct event_arg ea;
1917
1918         switch (fcport->disc_state) {
1919         case DSC_DELETE_PEND:
1920                 return;
1921         default:
1922                 break;
1923         }
1924
1925         if (fcport->scan_needed) {
1926                 memset(&ea, 0, sizeof(ea));
1927                 ea.id = fcport->d_id;
1928                 ea.id.b.rsvd_1 = RSCN_PORT_ADDR;
1929                 qla2x00_handle_rscn(fcport->vha, &ea);
1930         }
1931 }
1932
1933 static void
1934 qla2x00_tmf_iocb_timeout(void *data)
1935 {
1936         srb_t *sp = data;
1937         struct srb_iocb *tmf = &sp->u.iocb_cmd;
1938         int rc, h;
1939         unsigned long flags;
1940
1941         rc = qla24xx_async_abort_cmd(sp, false);
1942         if (rc) {
1943                 spin_lock_irqsave(sp->qpair->qp_lock_ptr, flags);
1944                 for (h = 1; h < sp->qpair->req->num_outstanding_cmds; h++) {
1945                         if (sp->qpair->req->outstanding_cmds[h] == sp) {
1946                                 sp->qpair->req->outstanding_cmds[h] = NULL;
1947                                 break;
1948                         }
1949                 }
1950                 spin_unlock_irqrestore(sp->qpair->qp_lock_ptr, flags);
1951                 tmf->u.tmf.comp_status = cpu_to_le16(CS_TIMEOUT);
1952                 tmf->u.tmf.data = QLA_FUNCTION_FAILED;
1953                 complete(&tmf->u.tmf.comp);
1954         }
1955 }
1956
1957 static void qla2x00_tmf_sp_done(srb_t *sp, int res)
1958 {
1959         struct srb_iocb *tmf = &sp->u.iocb_cmd;
1960
1961         complete(&tmf->u.tmf.comp);
1962 }
1963
1964 int
1965 qla2x00_async_tm_cmd(fc_port_t *fcport, uint32_t flags, uint32_t lun,
1966         uint32_t tag)
1967 {
1968         struct scsi_qla_host *vha = fcport->vha;
1969         struct srb_iocb *tm_iocb;
1970         srb_t *sp;
1971         int rval = QLA_FUNCTION_FAILED;
1972
1973         sp = qla2x00_get_sp(vha, fcport, GFP_KERNEL);
1974         if (!sp)
1975                 goto done;
1976
1977         tm_iocb = &sp->u.iocb_cmd;
1978         sp->type = SRB_TM_CMD;
1979         sp->name = "tmf";
1980
1981         tm_iocb->timeout = qla2x00_tmf_iocb_timeout;
1982         init_completion(&tm_iocb->u.tmf.comp);
1983         qla2x00_init_timer(sp, qla2x00_get_async_timeout(vha));
1984
1985         tm_iocb->u.tmf.flags = flags;
1986         tm_iocb->u.tmf.lun = lun;
1987         tm_iocb->u.tmf.data = tag;
1988         sp->done = qla2x00_tmf_sp_done;
1989
1990         ql_dbg(ql_dbg_taskm, vha, 0x802f,
1991             "Async-tmf hdl=%x loop-id=%x portid=%02x%02x%02x.\n",
1992             sp->handle, fcport->loop_id, fcport->d_id.b.domain,
1993             fcport->d_id.b.area, fcport->d_id.b.al_pa);
1994
1995         rval = qla2x00_start_sp(sp);
1996         if (rval != QLA_SUCCESS)
1997                 goto done_free_sp;
1998         wait_for_completion(&tm_iocb->u.tmf.comp);
1999
2000         rval = tm_iocb->u.tmf.data;
2001
2002         if (rval != QLA_SUCCESS) {
2003                 ql_log(ql_log_warn, vha, 0x8030,
2004                     "TM IOCB failed (%x).\n", rval);
2005         }
2006
2007         if (!test_bit(UNLOADING, &vha->dpc_flags) && !IS_QLAFX00(vha->hw)) {
2008                 flags = tm_iocb->u.tmf.flags;
2009                 lun = (uint16_t)tm_iocb->u.tmf.lun;
2010
2011                 /* Issue Marker IOCB */
2012                 qla2x00_marker(vha, vha->hw->base_qpair,
2013                     fcport->loop_id, lun,
2014                     flags == TCF_LUN_RESET ? MK_SYNC_ID_LUN : MK_SYNC_ID);
2015         }
2016
2017 done_free_sp:
2018         sp->free(sp);
2019         fcport->flags &= ~FCF_ASYNC_SENT;
2020 done:
2021         return rval;
2022 }
2023
2024 int
2025 qla24xx_async_abort_command(srb_t *sp)
2026 {
2027         unsigned long   flags = 0;
2028
2029         uint32_t        handle;
2030         fc_port_t       *fcport = sp->fcport;
2031         struct qla_qpair *qpair = sp->qpair;
2032         struct scsi_qla_host *vha = fcport->vha;
2033         struct req_que *req = qpair->req;
2034
2035         spin_lock_irqsave(qpair->qp_lock_ptr, flags);
2036         for (handle = 1; handle < req->num_outstanding_cmds; handle++) {
2037                 if (req->outstanding_cmds[handle] == sp)
2038                         break;
2039         }
2040         spin_unlock_irqrestore(qpair->qp_lock_ptr, flags);
2041
2042         if (handle == req->num_outstanding_cmds) {
2043                 /* Command not found. */
2044                 return QLA_ERR_NOT_FOUND;
2045         }
2046         if (sp->type == SRB_FXIOCB_DCMD)
2047                 return qlafx00_fx_disc(vha, &vha->hw->mr.fcport,
2048                     FXDISC_ABORT_IOCTL);
2049
2050         return qla24xx_async_abort_cmd(sp, true);
2051 }
2052
2053 static void
2054 qla24xx_handle_prli_done_event(struct scsi_qla_host *vha, struct event_arg *ea)
2055 {
2056         struct srb *sp;
2057         WARN_ONCE(!qla2xxx_is_valid_mbs(ea->data[0]), "mbs: %#x\n",
2058                   ea->data[0]);
2059
2060         switch (ea->data[0]) {
2061         case MBS_COMMAND_COMPLETE:
2062                 ql_dbg(ql_dbg_disc, vha, 0x2118,
2063                     "%s %d %8phC post gpdb\n",
2064                     __func__, __LINE__, ea->fcport->port_name);
2065
2066                 ea->fcport->chip_reset = vha->hw->base_qpair->chip_reset;
2067                 ea->fcport->logout_on_delete = 1;
2068                 ea->fcport->nvme_prli_service_param = ea->iop[0];
2069                 if (ea->iop[0] & NVME_PRLI_SP_FIRST_BURST)
2070                         ea->fcport->nvme_first_burst_size =
2071                             (ea->iop[1] & 0xffff) * 512;
2072                 else
2073                         ea->fcport->nvme_first_burst_size = 0;
2074                 qla24xx_post_gpdb_work(vha, ea->fcport, 0);
2075                 break;
2076         default:
2077                 if ((ea->iop[0] == LSC_SCODE_ELS_REJECT) &&
2078                     (ea->iop[1] == 0x50000)) {   /* reson 5=busy expl:0x0 */
2079                         set_bit(RELOGIN_NEEDED, &vha->dpc_flags);
2080                         ea->fcport->fw_login_state = DSC_LS_PLOGI_COMP;
2081                         break;
2082                 }
2083
2084                 sp = ea->sp;
2085                 ql_dbg(ql_dbg_disc, vha, 0x2118,
2086                        "%s %d %8phC priority %s, fc4type %x prev try %s\n",
2087                        __func__, __LINE__, ea->fcport->port_name,
2088                        vha->hw->fc4_type_priority == FC4_PRIORITY_FCP ?
2089                        "FCP" : "NVMe", ea->fcport->fc4_type,
2090                        (sp->u.iocb_cmd.u.logio.flags & SRB_LOGIN_NVME_PRLI) ?
2091                         "NVME" : "FCP");
2092
2093                 if (NVME_FCP_TARGET(ea->fcport)) {
2094                         if (sp->u.iocb_cmd.u.logio.flags & SRB_LOGIN_NVME_PRLI)
2095                                 ea->fcport->do_prli_nvme = 0;
2096                         else
2097                                 ea->fcport->do_prli_nvme = 1;
2098                 } else {
2099                         ea->fcport->do_prli_nvme = 0;
2100                 }
2101
2102                 if (N2N_TOPO(vha->hw)) {
2103                         if (ea->fcport->n2n_link_reset_cnt <
2104                             vha->hw->login_retry_count) {
2105                                 ea->fcport->n2n_link_reset_cnt++;
2106                                 vha->relogin_jif = jiffies + 2 * HZ;
2107                                 /*
2108                                  * PRLI failed. Reset link to kick start
2109                                  * state machine
2110                                  */
2111                                 set_bit(N2N_LINK_RESET, &vha->dpc_flags);
2112                                 qla2xxx_wake_dpc(vha);
2113                         } else {
2114                                 ql_log(ql_log_warn, vha, 0x2119,
2115                                        "%s %d %8phC Unable to reconnect\n",
2116                                        __func__, __LINE__,
2117                                        ea->fcport->port_name);
2118                         }
2119                 } else {
2120                         /*
2121                          * switch connect. login failed. Take connection down
2122                          * and allow relogin to retrigger
2123                          */
2124                         ea->fcport->flags &= ~FCF_ASYNC_SENT;
2125                         ea->fcport->keep_nport_handle = 0;
2126                         ea->fcport->logout_on_delete = 1;
2127                         qlt_schedule_sess_for_deletion(ea->fcport);
2128                 }
2129                 break;
2130         }
2131 }
2132
2133 void
2134 qla24xx_handle_plogi_done_event(struct scsi_qla_host *vha, struct event_arg *ea)
2135 {
2136         port_id_t cid;  /* conflict Nport id */
2137         u16 lid;
2138         struct fc_port *conflict_fcport;
2139         unsigned long flags;
2140         struct fc_port *fcport = ea->fcport;
2141
2142         ql_dbg(ql_dbg_disc, vha, 0xffff,
2143             "%s %8phC DS %d LS %d rc %d login %d|%d rscn %d|%d data %x|%x iop %x|%x\n",
2144             __func__, fcport->port_name, fcport->disc_state,
2145             fcport->fw_login_state, ea->rc, ea->sp->gen2, fcport->login_gen,
2146             ea->sp->gen1, fcport->rscn_gen,
2147             ea->data[0], ea->data[1], ea->iop[0], ea->iop[1]);
2148
2149         if ((fcport->fw_login_state == DSC_LS_PLOGI_PEND) ||
2150             (fcport->fw_login_state == DSC_LS_PRLI_PEND)) {
2151                 ql_dbg(ql_dbg_disc, vha, 0x20ea,
2152                     "%s %d %8phC Remote is trying to login\n",
2153                     __func__, __LINE__, fcport->port_name);
2154                 return;
2155         }
2156
2157         if ((fcport->disc_state == DSC_DELETE_PEND) ||
2158             (fcport->disc_state == DSC_DELETED)) {
2159                 set_bit(RELOGIN_NEEDED, &vha->dpc_flags);
2160                 return;
2161         }
2162
2163         if (ea->sp->gen2 != fcport->login_gen) {
2164                 /* target side must have changed it. */
2165                 ql_dbg(ql_dbg_disc, vha, 0x20d3,
2166                     "%s %8phC generation changed\n",
2167                     __func__, fcport->port_name);
2168                 set_bit(RELOGIN_NEEDED, &vha->dpc_flags);
2169                 return;
2170         } else if (ea->sp->gen1 != fcport->rscn_gen) {
2171                 ql_dbg(ql_dbg_disc, vha, 0x20d3,
2172                     "%s %8phC RSCN generation changed\n",
2173                     __func__, fcport->port_name);
2174                 qla_rscn_replay(fcport);
2175                 qlt_schedule_sess_for_deletion(fcport);
2176                 return;
2177         }
2178
2179         WARN_ONCE(!qla2xxx_is_valid_mbs(ea->data[0]), "mbs: %#x\n",
2180                   ea->data[0]);
2181
2182         switch (ea->data[0]) {
2183         case MBS_COMMAND_COMPLETE:
2184                 /*
2185                  * Driver must validate login state - If PRLI not complete,
2186                  * force a relogin attempt via implicit LOGO, PLOGI, and PRLI
2187                  * requests.
2188                  */
2189                 if (vha->hw->flags.edif_enabled) {
2190                         set_bit(ea->fcport->loop_id, vha->hw->loop_id_map);
2191                         spin_lock_irqsave(&vha->hw->tgt.sess_lock, flags);
2192                         ea->fcport->chip_reset = vha->hw->base_qpair->chip_reset;
2193                         ea->fcport->logout_on_delete = 1;
2194                         ea->fcport->send_els_logo = 0;
2195                         ea->fcport->fw_login_state = DSC_LS_PLOGI_COMP;
2196                         spin_unlock_irqrestore(&vha->hw->tgt.sess_lock, flags);
2197
2198                         qla24xx_post_gpdb_work(vha, ea->fcport, 0);
2199                 } else {
2200                         if (NVME_TARGET(vha->hw, fcport)) {
2201                                 ql_dbg(ql_dbg_disc, vha, 0x2117,
2202                                     "%s %d %8phC post prli\n",
2203                                     __func__, __LINE__, fcport->port_name);
2204                                 qla24xx_post_prli_work(vha, fcport);
2205                         } else {
2206                                 ql_dbg(ql_dbg_disc, vha, 0x20ea,
2207                                     "%s %d %8phC LoopID 0x%x in use with %06x. post gpdb\n",
2208                                     __func__, __LINE__, fcport->port_name,
2209                                     fcport->loop_id, fcport->d_id.b24);
2210
2211                                 set_bit(fcport->loop_id, vha->hw->loop_id_map);
2212                                 spin_lock_irqsave(&vha->hw->tgt.sess_lock, flags);
2213                                 fcport->chip_reset = vha->hw->base_qpair->chip_reset;
2214                                 fcport->logout_on_delete = 1;
2215                                 fcport->send_els_logo = 0;
2216                                 fcport->fw_login_state = DSC_LS_PRLI_COMP;
2217                                 spin_unlock_irqrestore(&vha->hw->tgt.sess_lock, flags);
2218
2219                                 qla24xx_post_gpdb_work(vha, fcport, 0);
2220                         }
2221                 }
2222                 break;
2223         case MBS_COMMAND_ERROR:
2224                 ql_dbg(ql_dbg_disc, vha, 0x20eb, "%s %d %8phC cmd error %x\n",
2225                     __func__, __LINE__, ea->fcport->port_name, ea->data[1]);
2226
2227                 ea->fcport->flags &= ~FCF_ASYNC_SENT;
2228                 qla2x00_set_fcport_disc_state(ea->fcport, DSC_LOGIN_FAILED);
2229                 if (ea->data[1] & QLA_LOGIO_LOGIN_RETRIED)
2230                         set_bit(RELOGIN_NEEDED, &vha->dpc_flags);
2231                 else
2232                         qla2x00_mark_device_lost(vha, ea->fcport, 1);
2233                 break;
2234         case MBS_LOOP_ID_USED:
2235                 /* data[1] = IO PARAM 1 = nport ID  */
2236                 cid.b.domain = (ea->iop[1] >> 16) & 0xff;
2237                 cid.b.area   = (ea->iop[1] >>  8) & 0xff;
2238                 cid.b.al_pa  = ea->iop[1] & 0xff;
2239                 cid.b.rsvd_1 = 0;
2240
2241                 ql_dbg(ql_dbg_disc, vha, 0x20ec,
2242                     "%s %d %8phC lid %#x in use with pid %06x post gnl\n",
2243                     __func__, __LINE__, ea->fcport->port_name,
2244                     ea->fcport->loop_id, cid.b24);
2245
2246                 set_bit(ea->fcport->loop_id, vha->hw->loop_id_map);
2247                 ea->fcport->loop_id = FC_NO_LOOP_ID;
2248                 qla24xx_post_gnl_work(vha, ea->fcport);
2249                 break;
2250         case MBS_PORT_ID_USED:
2251                 lid = ea->iop[1] & 0xffff;
2252                 qlt_find_sess_invalidate_other(vha,
2253                     wwn_to_u64(ea->fcport->port_name),
2254                     ea->fcport->d_id, lid, &conflict_fcport);
2255
2256                 if (conflict_fcport) {
2257                         /*
2258                          * Another fcport share the same loop_id/nport id.
2259                          * Conflict fcport needs to finish cleanup before this
2260                          * fcport can proceed to login.
2261                          */
2262                         conflict_fcport->conflict = ea->fcport;
2263                         ea->fcport->login_pause = 1;
2264
2265                         ql_dbg(ql_dbg_disc, vha, 0x20ed,
2266                             "%s %d %8phC NPortId %06x inuse with loopid 0x%x. post gidpn\n",
2267                             __func__, __LINE__, ea->fcport->port_name,
2268                             ea->fcport->d_id.b24, lid);
2269                 } else {
2270                         ql_dbg(ql_dbg_disc, vha, 0x20ed,
2271                             "%s %d %8phC NPortId %06x inuse with loopid 0x%x. sched delete\n",
2272                             __func__, __LINE__, ea->fcport->port_name,
2273                             ea->fcport->d_id.b24, lid);
2274
2275                         qla2x00_clear_loop_id(ea->fcport);
2276                         set_bit(lid, vha->hw->loop_id_map);
2277                         ea->fcport->loop_id = lid;
2278                         ea->fcport->keep_nport_handle = 0;
2279                         ea->fcport->logout_on_delete = 1;
2280                         qlt_schedule_sess_for_deletion(ea->fcport);
2281                 }
2282                 break;
2283         }
2284         return;
2285 }
2286
2287 /****************************************************************************/
2288 /*                QLogic ISP2x00 Hardware Support Functions.                */
2289 /****************************************************************************/
2290
2291 static int
2292 qla83xx_nic_core_fw_load(scsi_qla_host_t *vha)
2293 {
2294         int rval = QLA_SUCCESS;
2295         struct qla_hw_data *ha = vha->hw;
2296         uint32_t idc_major_ver, idc_minor_ver;
2297         uint16_t config[4];
2298
2299         qla83xx_idc_lock(vha, 0);
2300
2301         /* SV: TODO: Assign initialization timeout from
2302          * flash-info / other param
2303          */
2304         ha->fcoe_dev_init_timeout = QLA83XX_IDC_INITIALIZATION_TIMEOUT;
2305         ha->fcoe_reset_timeout = QLA83XX_IDC_RESET_ACK_TIMEOUT;
2306
2307         /* Set our fcoe function presence */
2308         if (__qla83xx_set_drv_presence(vha) != QLA_SUCCESS) {
2309                 ql_dbg(ql_dbg_p3p, vha, 0xb077,
2310                     "Error while setting DRV-Presence.\n");
2311                 rval = QLA_FUNCTION_FAILED;
2312                 goto exit;
2313         }
2314
2315         /* Decide the reset ownership */
2316         qla83xx_reset_ownership(vha);
2317
2318         /*
2319          * On first protocol driver load:
2320          * Init-Owner: Set IDC-Major-Version and Clear IDC-Lock-Recovery
2321          * register.
2322          * Others: Check compatibility with current IDC Major version.
2323          */
2324         qla83xx_rd_reg(vha, QLA83XX_IDC_MAJOR_VERSION, &idc_major_ver);
2325         if (ha->flags.nic_core_reset_owner) {
2326                 /* Set IDC Major version */
2327                 idc_major_ver = QLA83XX_SUPP_IDC_MAJOR_VERSION;
2328                 qla83xx_wr_reg(vha, QLA83XX_IDC_MAJOR_VERSION, idc_major_ver);
2329
2330                 /* Clearing IDC-Lock-Recovery register */
2331                 qla83xx_wr_reg(vha, QLA83XX_IDC_LOCK_RECOVERY, 0);
2332         } else if (idc_major_ver != QLA83XX_SUPP_IDC_MAJOR_VERSION) {
2333                 /*
2334                  * Clear further IDC participation if we are not compatible with
2335                  * the current IDC Major Version.
2336                  */
2337                 ql_log(ql_log_warn, vha, 0xb07d,
2338                     "Failing load, idc_major_ver=%d, expected_major_ver=%d.\n",
2339                     idc_major_ver, QLA83XX_SUPP_IDC_MAJOR_VERSION);
2340                 __qla83xx_clear_drv_presence(vha);
2341                 rval = QLA_FUNCTION_FAILED;
2342                 goto exit;
2343         }
2344         /* Each function sets its supported Minor version. */
2345         qla83xx_rd_reg(vha, QLA83XX_IDC_MINOR_VERSION, &idc_minor_ver);
2346         idc_minor_ver |= (QLA83XX_SUPP_IDC_MINOR_VERSION << (ha->portnum * 2));
2347         qla83xx_wr_reg(vha, QLA83XX_IDC_MINOR_VERSION, idc_minor_ver);
2348
2349         if (ha->flags.nic_core_reset_owner) {
2350                 memset(config, 0, sizeof(config));
2351                 if (!qla81xx_get_port_config(vha, config))
2352                         qla83xx_wr_reg(vha, QLA83XX_IDC_DEV_STATE,
2353                             QLA8XXX_DEV_READY);
2354         }
2355
2356         rval = qla83xx_idc_state_handler(vha);
2357
2358 exit:
2359         qla83xx_idc_unlock(vha, 0);
2360
2361         return rval;
2362 }
2363
2364 /*
2365 * qla2x00_initialize_adapter
2366 *      Initialize board.
2367 *
2368 * Input:
2369 *      ha = adapter block pointer.
2370 *
2371 * Returns:
2372 *      0 = success
2373 */
2374 int
2375 qla2x00_initialize_adapter(scsi_qla_host_t *vha)
2376 {
2377         int     rval;
2378         struct qla_hw_data *ha = vha->hw;
2379         struct req_que *req = ha->req_q_map[0];
2380         struct device_reg_24xx __iomem *reg = &ha->iobase->isp24;
2381
2382         memset(&vha->qla_stats, 0, sizeof(vha->qla_stats));
2383         memset(&vha->fc_host_stat, 0, sizeof(vha->fc_host_stat));
2384
2385         /* Clear adapter flags. */
2386         vha->flags.online = 0;
2387         ha->flags.chip_reset_done = 0;
2388         vha->flags.reset_active = 0;
2389         ha->flags.pci_channel_io_perm_failure = 0;
2390         ha->flags.eeh_busy = 0;
2391         vha->qla_stats.jiffies_at_last_reset = get_jiffies_64();
2392         atomic_set(&vha->loop_down_timer, LOOP_DOWN_TIME);
2393         atomic_set(&vha->loop_state, LOOP_DOWN);
2394         vha->device_flags = DFLG_NO_CABLE;
2395         vha->dpc_flags = 0;
2396         vha->flags.management_server_logged_in = 0;
2397         vha->marker_needed = 0;
2398         ha->isp_abort_cnt = 0;
2399         ha->beacon_blink_led = 0;
2400
2401         set_bit(0, ha->req_qid_map);
2402         set_bit(0, ha->rsp_qid_map);
2403
2404         ql_dbg(ql_dbg_init, vha, 0x0040,
2405             "Configuring PCI space...\n");
2406         rval = ha->isp_ops->pci_config(vha);
2407         if (rval) {
2408                 ql_log(ql_log_warn, vha, 0x0044,
2409                     "Unable to configure PCI space.\n");
2410                 return (rval);
2411         }
2412
2413         ha->isp_ops->reset_chip(vha);
2414
2415         /* Check for secure flash support */
2416         if (IS_QLA28XX(ha)) {
2417                 if (rd_reg_word(&reg->mailbox12) & BIT_0)
2418                         ha->flags.secure_adapter = 1;
2419                 ql_log(ql_log_info, vha, 0xffff, "Secure Adapter: %s\n",
2420                     (ha->flags.secure_adapter) ? "Yes" : "No");
2421         }
2422
2423
2424         rval = qla2xxx_get_flash_info(vha);
2425         if (rval) {
2426                 ql_log(ql_log_fatal, vha, 0x004f,
2427                     "Unable to validate FLASH data.\n");
2428                 return rval;
2429         }
2430
2431         if (IS_QLA8044(ha)) {
2432                 qla8044_read_reset_template(vha);
2433
2434                 /* NOTE: If ql2xdontresethba==1, set IDC_CTRL DONTRESET_BIT0.
2435                  * If DONRESET_BIT0 is set, drivers should not set dev_state
2436                  * to NEED_RESET. But if NEED_RESET is set, drivers should
2437                  * should honor the reset. */
2438                 if (ql2xdontresethba == 1)
2439                         qla8044_set_idc_dontreset(vha);
2440         }
2441
2442         ha->isp_ops->get_flash_version(vha, req->ring);
2443         ql_dbg(ql_dbg_init, vha, 0x0061,
2444             "Configure NVRAM parameters...\n");
2445
2446         /* Let priority default to FCP, can be overridden by nvram_config */
2447         ha->fc4_type_priority = FC4_PRIORITY_FCP;
2448
2449         ha->isp_ops->nvram_config(vha);
2450
2451         if (ha->fc4_type_priority != FC4_PRIORITY_FCP &&
2452             ha->fc4_type_priority != FC4_PRIORITY_NVME)
2453                 ha->fc4_type_priority = FC4_PRIORITY_FCP;
2454
2455         ql_log(ql_log_info, vha, 0xffff, "FC4 priority set to %s\n",
2456                ha->fc4_type_priority == FC4_PRIORITY_FCP ? "FCP" : "NVMe");
2457
2458         if (ha->flags.disable_serdes) {
2459                 /* Mask HBA via NVRAM settings? */
2460                 ql_log(ql_log_info, vha, 0x0077,
2461                     "Masking HBA WWPN %8phN (via NVRAM).\n", vha->port_name);
2462                 return QLA_FUNCTION_FAILED;
2463         }
2464
2465         ql_dbg(ql_dbg_init, vha, 0x0078,
2466             "Verifying loaded RISC code...\n");
2467
2468         /* If smartsan enabled then require fdmi and rdp enabled */
2469         if (ql2xsmartsan) {
2470                 ql2xfdmienable = 1;
2471                 ql2xrdpenable = 1;
2472         }
2473
2474         if (qla2x00_isp_firmware(vha) != QLA_SUCCESS) {
2475                 rval = ha->isp_ops->chip_diag(vha);
2476                 if (rval)
2477                         return (rval);
2478                 rval = qla2x00_setup_chip(vha);
2479                 if (rval)
2480                         return (rval);
2481         }
2482
2483         if (IS_QLA84XX(ha)) {
2484                 ha->cs84xx = qla84xx_get_chip(vha);
2485                 if (!ha->cs84xx) {
2486                         ql_log(ql_log_warn, vha, 0x00d0,
2487                             "Unable to configure ISP84XX.\n");
2488                         return QLA_FUNCTION_FAILED;
2489                 }
2490         }
2491
2492         if (qla_ini_mode_enabled(vha) || qla_dual_mode_enabled(vha))
2493                 rval = qla2x00_init_rings(vha);
2494
2495         /* No point in continuing if firmware initialization failed. */
2496         if (rval != QLA_SUCCESS)
2497                 return rval;
2498
2499         ha->flags.chip_reset_done = 1;
2500
2501         if (rval == QLA_SUCCESS && IS_QLA84XX(ha)) {
2502                 /* Issue verify 84xx FW IOCB to complete 84xx initialization */
2503                 rval = qla84xx_init_chip(vha);
2504                 if (rval != QLA_SUCCESS) {
2505                         ql_log(ql_log_warn, vha, 0x00d4,
2506                             "Unable to initialize ISP84XX.\n");
2507                         qla84xx_put_chip(vha);
2508                 }
2509         }
2510
2511         /* Load the NIC Core f/w if we are the first protocol driver. */
2512         if (IS_QLA8031(ha)) {
2513                 rval = qla83xx_nic_core_fw_load(vha);
2514                 if (rval)
2515                         ql_log(ql_log_warn, vha, 0x0124,
2516                             "Error in initializing NIC Core f/w.\n");
2517         }
2518
2519         if (IS_QLA24XX_TYPE(ha) || IS_QLA25XX(ha))
2520                 qla24xx_read_fcp_prio_cfg(vha);
2521
2522         if (IS_P3P_TYPE(ha))
2523                 qla82xx_set_driver_version(vha, QLA2XXX_VERSION);
2524         else
2525                 qla25xx_set_driver_version(vha, QLA2XXX_VERSION);
2526
2527         return (rval);
2528 }
2529
2530 /**
2531  * qla2100_pci_config() - Setup ISP21xx PCI configuration registers.
2532  * @vha: HA context
2533  *
2534  * Returns 0 on success.
2535  */
2536 int
2537 qla2100_pci_config(scsi_qla_host_t *vha)
2538 {
2539         uint16_t w;
2540         unsigned long flags;
2541         struct qla_hw_data *ha = vha->hw;
2542         struct device_reg_2xxx __iomem *reg = &ha->iobase->isp;
2543
2544         pci_set_master(ha->pdev);
2545         pci_try_set_mwi(ha->pdev);
2546
2547         pci_read_config_word(ha->pdev, PCI_COMMAND, &w);
2548         w |= (PCI_COMMAND_PARITY | PCI_COMMAND_SERR);
2549         pci_write_config_word(ha->pdev, PCI_COMMAND, w);
2550
2551         pci_disable_rom(ha->pdev);
2552
2553         /* Get PCI bus information. */
2554         spin_lock_irqsave(&ha->hardware_lock, flags);
2555         ha->pci_attr = rd_reg_word(&reg->ctrl_status);
2556         spin_unlock_irqrestore(&ha->hardware_lock, flags);
2557
2558         return QLA_SUCCESS;
2559 }
2560
2561 /**
2562  * qla2300_pci_config() - Setup ISP23xx PCI configuration registers.
2563  * @vha: HA context
2564  *
2565  * Returns 0 on success.
2566  */
2567 int
2568 qla2300_pci_config(scsi_qla_host_t *vha)
2569 {
2570         uint16_t        w;
2571         unsigned long   flags = 0;
2572         uint32_t        cnt;
2573         struct qla_hw_data *ha = vha->hw;
2574         struct device_reg_2xxx __iomem *reg = &ha->iobase->isp;
2575
2576         pci_set_master(ha->pdev);
2577         pci_try_set_mwi(ha->pdev);
2578
2579         pci_read_config_word(ha->pdev, PCI_COMMAND, &w);
2580         w |= (PCI_COMMAND_PARITY | PCI_COMMAND_SERR);
2581
2582         if (IS_QLA2322(ha) || IS_QLA6322(ha))
2583                 w &= ~PCI_COMMAND_INTX_DISABLE;
2584         pci_write_config_word(ha->pdev, PCI_COMMAND, w);
2585
2586         /*
2587          * If this is a 2300 card and not 2312, reset the
2588          * COMMAND_INVALIDATE due to a bug in the 2300. Unfortunately,
2589          * the 2310 also reports itself as a 2300 so we need to get the
2590          * fb revision level -- a 6 indicates it really is a 2300 and
2591          * not a 2310.
2592          */
2593         if (IS_QLA2300(ha)) {
2594                 spin_lock_irqsave(&ha->hardware_lock, flags);
2595
2596                 /* Pause RISC. */
2597                 wrt_reg_word(&reg->hccr, HCCR_PAUSE_RISC);
2598                 for (cnt = 0; cnt < 30000; cnt++) {
2599                         if ((rd_reg_word(&reg->hccr) & HCCR_RISC_PAUSE) != 0)
2600                                 break;
2601
2602                         udelay(10);
2603                 }
2604
2605                 /* Select FPM registers. */
2606                 wrt_reg_word(&reg->ctrl_status, 0x20);
2607                 rd_reg_word(&reg->ctrl_status);
2608
2609                 /* Get the fb rev level */
2610                 ha->fb_rev = RD_FB_CMD_REG(ha, reg);
2611
2612                 if (ha->fb_rev == FPM_2300)
2613                         pci_clear_mwi(ha->pdev);
2614
2615                 /* Deselect FPM registers. */
2616                 wrt_reg_word(&reg->ctrl_status, 0x0);
2617                 rd_reg_word(&reg->ctrl_status);
2618
2619                 /* Release RISC module. */
2620                 wrt_reg_word(&reg->hccr, HCCR_RELEASE_RISC);
2621                 for (cnt = 0; cnt < 30000; cnt++) {
2622                         if ((rd_reg_word(&reg->hccr) & HCCR_RISC_PAUSE) == 0)
2623                                 break;
2624
2625                         udelay(10);
2626                 }
2627
2628                 spin_unlock_irqrestore(&ha->hardware_lock, flags);
2629         }
2630
2631         pci_write_config_byte(ha->pdev, PCI_LATENCY_TIMER, 0x80);
2632
2633         pci_disable_rom(ha->pdev);
2634
2635         /* Get PCI bus information. */
2636         spin_lock_irqsave(&ha->hardware_lock, flags);
2637         ha->pci_attr = rd_reg_word(&reg->ctrl_status);
2638         spin_unlock_irqrestore(&ha->hardware_lock, flags);
2639
2640         return QLA_SUCCESS;
2641 }
2642
2643 /**
2644  * qla24xx_pci_config() - Setup ISP24xx PCI configuration registers.
2645  * @vha: HA context
2646  *
2647  * Returns 0 on success.
2648  */
2649 int
2650 qla24xx_pci_config(scsi_qla_host_t *vha)
2651 {
2652         uint16_t w;
2653         unsigned long flags = 0;
2654         struct qla_hw_data *ha = vha->hw;
2655         struct device_reg_24xx __iomem *reg = &ha->iobase->isp24;
2656
2657         pci_set_master(ha->pdev);
2658         pci_try_set_mwi(ha->pdev);
2659
2660         pci_read_config_word(ha->pdev, PCI_COMMAND, &w);
2661         w |= (PCI_COMMAND_PARITY | PCI_COMMAND_SERR);
2662         w &= ~PCI_COMMAND_INTX_DISABLE;
2663         pci_write_config_word(ha->pdev, PCI_COMMAND, w);
2664
2665         pci_write_config_byte(ha->pdev, PCI_LATENCY_TIMER, 0x80);
2666
2667         /* PCI-X -- adjust Maximum Memory Read Byte Count (2048). */
2668         if (pci_find_capability(ha->pdev, PCI_CAP_ID_PCIX))
2669                 pcix_set_mmrbc(ha->pdev, 2048);
2670
2671         /* PCIe -- adjust Maximum Read Request Size (2048). */
2672         if (pci_is_pcie(ha->pdev))
2673                 pcie_set_readrq(ha->pdev, 4096);
2674
2675         pci_disable_rom(ha->pdev);
2676
2677         ha->chip_revision = ha->pdev->revision;
2678
2679         /* Get PCI bus information. */
2680         spin_lock_irqsave(&ha->hardware_lock, flags);
2681         ha->pci_attr = rd_reg_dword(&reg->ctrl_status);
2682         spin_unlock_irqrestore(&ha->hardware_lock, flags);
2683
2684         return QLA_SUCCESS;
2685 }
2686
2687 /**
2688  * qla25xx_pci_config() - Setup ISP25xx PCI configuration registers.
2689  * @vha: HA context
2690  *
2691  * Returns 0 on success.
2692  */
2693 int
2694 qla25xx_pci_config(scsi_qla_host_t *vha)
2695 {
2696         uint16_t w;
2697         struct qla_hw_data *ha = vha->hw;
2698
2699         pci_set_master(ha->pdev);
2700         pci_try_set_mwi(ha->pdev);
2701
2702         pci_read_config_word(ha->pdev, PCI_COMMAND, &w);
2703         w |= (PCI_COMMAND_PARITY | PCI_COMMAND_SERR);
2704         w &= ~PCI_COMMAND_INTX_DISABLE;
2705         pci_write_config_word(ha->pdev, PCI_COMMAND, w);
2706
2707         /* PCIe -- adjust Maximum Read Request Size (2048). */
2708         if (pci_is_pcie(ha->pdev))
2709                 pcie_set_readrq(ha->pdev, 4096);
2710
2711         pci_disable_rom(ha->pdev);
2712
2713         ha->chip_revision = ha->pdev->revision;
2714
2715         return QLA_SUCCESS;
2716 }
2717
2718 /**
2719  * qla2x00_isp_firmware() - Choose firmware image.
2720  * @vha: HA context
2721  *
2722  * Returns 0 on success.
2723  */
2724 static int
2725 qla2x00_isp_firmware(scsi_qla_host_t *vha)
2726 {
2727         int  rval;
2728         uint16_t loop_id, topo, sw_cap;
2729         uint8_t domain, area, al_pa;
2730         struct qla_hw_data *ha = vha->hw;
2731
2732         /* Assume loading risc code */
2733         rval = QLA_FUNCTION_FAILED;
2734
2735         if (ha->flags.disable_risc_code_load) {
2736                 ql_log(ql_log_info, vha, 0x0079, "RISC CODE NOT loaded.\n");
2737
2738                 /* Verify checksum of loaded RISC code. */
2739                 rval = qla2x00_verify_checksum(vha, ha->fw_srisc_address);
2740                 if (rval == QLA_SUCCESS) {
2741                         /* And, verify we are not in ROM code. */
2742                         rval = qla2x00_get_adapter_id(vha, &loop_id, &al_pa,
2743                             &area, &domain, &topo, &sw_cap);
2744                 }
2745         }
2746
2747         if (rval)
2748                 ql_dbg(ql_dbg_init, vha, 0x007a,
2749                     "**** Load RISC code ****.\n");
2750
2751         return (rval);
2752 }
2753
2754 /**
2755  * qla2x00_reset_chip() - Reset ISP chip.
2756  * @vha: HA context
2757  *
2758  * Returns 0 on success.
2759  */
2760 int
2761 qla2x00_reset_chip(scsi_qla_host_t *vha)
2762 {
2763         unsigned long   flags = 0;
2764         struct qla_hw_data *ha = vha->hw;
2765         struct device_reg_2xxx __iomem *reg = &ha->iobase->isp;
2766         uint32_t        cnt;
2767         uint16_t        cmd;
2768         int rval = QLA_FUNCTION_FAILED;
2769
2770         if (unlikely(pci_channel_offline(ha->pdev)))
2771                 return rval;
2772
2773         ha->isp_ops->disable_intrs(ha);
2774
2775         spin_lock_irqsave(&ha->hardware_lock, flags);
2776
2777         /* Turn off master enable */
2778         cmd = 0;
2779         pci_read_config_word(ha->pdev, PCI_COMMAND, &cmd);
2780         cmd &= ~PCI_COMMAND_MASTER;
2781         pci_write_config_word(ha->pdev, PCI_COMMAND, cmd);
2782
2783         if (!IS_QLA2100(ha)) {
2784                 /* Pause RISC. */
2785                 wrt_reg_word(&reg->hccr, HCCR_PAUSE_RISC);
2786                 if (IS_QLA2200(ha) || IS_QLA2300(ha)) {
2787                         for (cnt = 0; cnt < 30000; cnt++) {
2788                                 if ((rd_reg_word(&reg->hccr) &
2789                                     HCCR_RISC_PAUSE) != 0)
2790                                         break;
2791                                 udelay(100);
2792                         }
2793                 } else {
2794                         rd_reg_word(&reg->hccr);        /* PCI Posting. */
2795                         udelay(10);
2796                 }
2797
2798                 /* Select FPM registers. */
2799                 wrt_reg_word(&reg->ctrl_status, 0x20);
2800                 rd_reg_word(&reg->ctrl_status);         /* PCI Posting. */
2801
2802                 /* FPM Soft Reset. */
2803                 wrt_reg_word(&reg->fpm_diag_config, 0x100);
2804                 rd_reg_word(&reg->fpm_diag_config);     /* PCI Posting. */
2805
2806                 /* Toggle Fpm Reset. */
2807                 if (!IS_QLA2200(ha)) {
2808                         wrt_reg_word(&reg->fpm_diag_config, 0x0);
2809                         rd_reg_word(&reg->fpm_diag_config); /* PCI Posting. */
2810                 }
2811
2812                 /* Select frame buffer registers. */
2813                 wrt_reg_word(&reg->ctrl_status, 0x10);
2814                 rd_reg_word(&reg->ctrl_status);         /* PCI Posting. */
2815
2816                 /* Reset frame buffer FIFOs. */
2817                 if (IS_QLA2200(ha)) {
2818                         WRT_FB_CMD_REG(ha, reg, 0xa000);
2819                         RD_FB_CMD_REG(ha, reg);         /* PCI Posting. */
2820                 } else {
2821                         WRT_FB_CMD_REG(ha, reg, 0x00fc);
2822
2823                         /* Read back fb_cmd until zero or 3 seconds max */
2824                         for (cnt = 0; cnt < 3000; cnt++) {
2825                                 if ((RD_FB_CMD_REG(ha, reg) & 0xff) == 0)
2826                                         break;
2827                                 udelay(100);
2828                         }
2829                 }
2830
2831                 /* Select RISC module registers. */
2832                 wrt_reg_word(&reg->ctrl_status, 0);
2833                 rd_reg_word(&reg->ctrl_status);         /* PCI Posting. */
2834
2835                 /* Reset RISC processor. */
2836                 wrt_reg_word(&reg->hccr, HCCR_RESET_RISC);
2837                 rd_reg_word(&reg->hccr);                /* PCI Posting. */
2838
2839                 /* Release RISC processor. */
2840                 wrt_reg_word(&reg->hccr, HCCR_RELEASE_RISC);
2841                 rd_reg_word(&reg->hccr);                /* PCI Posting. */
2842         }
2843
2844         wrt_reg_word(&reg->hccr, HCCR_CLR_RISC_INT);
2845         wrt_reg_word(&reg->hccr, HCCR_CLR_HOST_INT);
2846
2847         /* Reset ISP chip. */
2848         wrt_reg_word(&reg->ctrl_status, CSR_ISP_SOFT_RESET);
2849
2850         /* Wait for RISC to recover from reset. */
2851         if (IS_QLA2100(ha) || IS_QLA2200(ha) || IS_QLA2300(ha)) {
2852                 /*
2853                  * It is necessary to for a delay here since the card doesn't
2854                  * respond to PCI reads during a reset. On some architectures
2855                  * this will result in an MCA.
2856                  */
2857                 udelay(20);
2858                 for (cnt = 30000; cnt; cnt--) {
2859                         if ((rd_reg_word(&reg->ctrl_status) &
2860                             CSR_ISP_SOFT_RESET) == 0)
2861                                 break;
2862                         udelay(100);
2863                 }
2864         } else
2865                 udelay(10);
2866
2867         /* Reset RISC processor. */
2868         wrt_reg_word(&reg->hccr, HCCR_RESET_RISC);
2869
2870         wrt_reg_word(&reg->semaphore, 0);
2871
2872         /* Release RISC processor. */
2873         wrt_reg_word(&reg->hccr, HCCR_RELEASE_RISC);
2874         rd_reg_word(&reg->hccr);                        /* PCI Posting. */
2875
2876         if (IS_QLA2100(ha) || IS_QLA2200(ha) || IS_QLA2300(ha)) {
2877                 for (cnt = 0; cnt < 30000; cnt++) {
2878                         if (RD_MAILBOX_REG(ha, reg, 0) != MBS_BUSY)
2879                                 break;
2880
2881                         udelay(100);
2882                 }
2883         } else
2884                 udelay(100);
2885
2886         /* Turn on master enable */
2887         cmd |= PCI_COMMAND_MASTER;
2888         pci_write_config_word(ha->pdev, PCI_COMMAND, cmd);
2889
2890         /* Disable RISC pause on FPM parity error. */
2891         if (!IS_QLA2100(ha)) {
2892                 wrt_reg_word(&reg->hccr, HCCR_DISABLE_PARITY_PAUSE);
2893                 rd_reg_word(&reg->hccr);                /* PCI Posting. */
2894         }
2895
2896         spin_unlock_irqrestore(&ha->hardware_lock, flags);
2897
2898         return QLA_SUCCESS;
2899 }
2900
2901 /**
2902  * qla81xx_reset_mpi() - Reset's MPI FW via Write MPI Register MBC.
2903  * @vha: HA context
2904  *
2905  * Returns 0 on success.
2906  */
2907 static int
2908 qla81xx_reset_mpi(scsi_qla_host_t *vha)
2909 {
2910         uint16_t mb[4] = {0x1010, 0, 1, 0};
2911
2912         if (!IS_QLA81XX(vha->hw))
2913                 return QLA_SUCCESS;
2914
2915         return qla81xx_write_mpi_register(vha, mb);
2916 }
2917
2918 static int
2919 qla_chk_risc_recovery(scsi_qla_host_t *vha)
2920 {
2921         struct qla_hw_data *ha = vha->hw;
2922         struct device_reg_24xx __iomem *reg = &ha->iobase->isp24;
2923         __le16 __iomem *mbptr = &reg->mailbox0;
2924         int i;
2925         u16 mb[32];
2926         int rc = QLA_SUCCESS;
2927
2928         if (!IS_QLA27XX(ha) && !IS_QLA28XX(ha))
2929                 return rc;
2930
2931         /* this check is only valid after RISC reset */
2932         mb[0] = rd_reg_word(mbptr);
2933         mbptr++;
2934         if (mb[0] == 0xf) {
2935                 rc = QLA_FUNCTION_FAILED;
2936
2937                 for (i = 1; i < 32; i++) {
2938                         mb[i] = rd_reg_word(mbptr);
2939                         mbptr++;
2940                 }
2941
2942                 ql_log(ql_log_warn, vha, 0x1015,
2943                        "RISC reset failed. mb[0-7] %04xh %04xh %04xh %04xh %04xh %04xh %04xh %04xh\n",
2944                        mb[0], mb[1], mb[2], mb[3], mb[4], mb[5], mb[6], mb[7]);
2945                 ql_log(ql_log_warn, vha, 0x1015,
2946                        "RISC reset failed. mb[8-15] %04xh %04xh %04xh %04xh %04xh %04xh %04xh %04xh\n",
2947                        mb[8], mb[9], mb[10], mb[11], mb[12], mb[13], mb[14],
2948                        mb[15]);
2949                 ql_log(ql_log_warn, vha, 0x1015,
2950                        "RISC reset failed. mb[16-23] %04xh %04xh %04xh %04xh %04xh %04xh %04xh %04xh\n",
2951                        mb[16], mb[17], mb[18], mb[19], mb[20], mb[21], mb[22],
2952                        mb[23]);
2953                 ql_log(ql_log_warn, vha, 0x1015,
2954                        "RISC reset failed. mb[24-31] %04xh %04xh %04xh %04xh %04xh %04xh %04xh %04xh\n",
2955                        mb[24], mb[25], mb[26], mb[27], mb[28], mb[29], mb[30],
2956                        mb[31]);
2957         }
2958         return rc;
2959 }
2960
2961 /**
2962  * qla24xx_reset_risc() - Perform full reset of ISP24xx RISC.
2963  * @vha: HA context
2964  *
2965  * Returns 0 on success.
2966  */
2967 static inline int
2968 qla24xx_reset_risc(scsi_qla_host_t *vha)
2969 {
2970         unsigned long flags = 0;
2971         struct qla_hw_data *ha = vha->hw;
2972         struct device_reg_24xx __iomem *reg = &ha->iobase->isp24;
2973         uint32_t cnt;
2974         uint16_t wd;
2975         static int abts_cnt; /* ISP abort retry counts */
2976         int rval = QLA_SUCCESS;
2977         int print = 1;
2978
2979         spin_lock_irqsave(&ha->hardware_lock, flags);
2980
2981         /* Reset RISC. */
2982         wrt_reg_dword(&reg->ctrl_status, CSRX_DMA_SHUTDOWN|MWB_4096_BYTES);
2983         for (cnt = 0; cnt < 30000; cnt++) {
2984                 if ((rd_reg_dword(&reg->ctrl_status) & CSRX_DMA_ACTIVE) == 0)
2985                         break;
2986
2987                 udelay(10);
2988         }
2989
2990         if (!(rd_reg_dword(&reg->ctrl_status) & CSRX_DMA_ACTIVE))
2991                 set_bit(DMA_SHUTDOWN_CMPL, &ha->fw_dump_cap_flags);
2992
2993         ql_dbg(ql_dbg_init + ql_dbg_verbose, vha, 0x017e,
2994             "HCCR: 0x%x, Control Status %x, DMA active status:0x%x\n",
2995             rd_reg_dword(&reg->hccr),
2996             rd_reg_dword(&reg->ctrl_status),
2997             (rd_reg_dword(&reg->ctrl_status) & CSRX_DMA_ACTIVE));
2998
2999         wrt_reg_dword(&reg->ctrl_status,
3000             CSRX_ISP_SOFT_RESET|CSRX_DMA_SHUTDOWN|MWB_4096_BYTES);
3001         pci_read_config_word(ha->pdev, PCI_COMMAND, &wd);
3002
3003         udelay(100);
3004
3005         /* Wait for firmware to complete NVRAM accesses. */
3006         rd_reg_word(&reg->mailbox0);
3007         for (cnt = 10000; rd_reg_word(&reg->mailbox0) != 0 &&
3008             rval == QLA_SUCCESS; cnt--) {
3009                 barrier();
3010                 if (cnt)
3011                         udelay(5);
3012                 else
3013                         rval = QLA_FUNCTION_TIMEOUT;
3014         }
3015
3016         if (rval == QLA_SUCCESS)
3017                 set_bit(ISP_MBX_RDY, &ha->fw_dump_cap_flags);
3018
3019         ql_dbg(ql_dbg_init + ql_dbg_verbose, vha, 0x017f,
3020             "HCCR: 0x%x, MailBox0 Status 0x%x\n",
3021             rd_reg_dword(&reg->hccr),
3022             rd_reg_word(&reg->mailbox0));
3023
3024         /* Wait for soft-reset to complete. */
3025         rd_reg_dword(&reg->ctrl_status);
3026         for (cnt = 0; cnt < 60; cnt++) {
3027                 barrier();
3028                 if ((rd_reg_dword(&reg->ctrl_status) &
3029                     CSRX_ISP_SOFT_RESET) == 0)
3030                         break;
3031
3032                 udelay(5);
3033         }
3034         if (!(rd_reg_dword(&reg->ctrl_status) & CSRX_ISP_SOFT_RESET))
3035                 set_bit(ISP_SOFT_RESET_CMPL, &ha->fw_dump_cap_flags);
3036
3037         ql_dbg(ql_dbg_init + ql_dbg_verbose, vha, 0x015d,
3038             "HCCR: 0x%x, Soft Reset status: 0x%x\n",
3039             rd_reg_dword(&reg->hccr),
3040             rd_reg_dword(&reg->ctrl_status));
3041
3042         /* If required, do an MPI FW reset now */
3043         if (test_and_clear_bit(MPI_RESET_NEEDED, &vha->dpc_flags)) {
3044                 if (qla81xx_reset_mpi(vha) != QLA_SUCCESS) {
3045                         if (++abts_cnt < 5) {
3046                                 set_bit(ISP_ABORT_NEEDED, &vha->dpc_flags);
3047                                 set_bit(MPI_RESET_NEEDED, &vha->dpc_flags);
3048                         } else {
3049                                 /*
3050                                  * We exhausted the ISP abort retries. We have to
3051                                  * set the board offline.
3052                                  */
3053                                 abts_cnt = 0;
3054                                 vha->flags.online = 0;
3055                         }
3056                 }
3057         }
3058
3059         wrt_reg_dword(&reg->hccr, HCCRX_SET_RISC_RESET);
3060         rd_reg_dword(&reg->hccr);
3061
3062         wrt_reg_dword(&reg->hccr, HCCRX_REL_RISC_PAUSE);
3063         rd_reg_dword(&reg->hccr);
3064
3065         wrt_reg_dword(&reg->hccr, HCCRX_CLR_RISC_RESET);
3066         mdelay(10);
3067         rd_reg_dword(&reg->hccr);
3068
3069         wd = rd_reg_word(&reg->mailbox0);
3070         for (cnt = 300; wd != 0 && rval == QLA_SUCCESS; cnt--) {
3071                 barrier();
3072                 if (cnt) {
3073                         mdelay(1);
3074                         if (print && qla_chk_risc_recovery(vha))
3075                                 print = 0;
3076
3077                         wd = rd_reg_word(&reg->mailbox0);
3078                 } else {
3079                         rval = QLA_FUNCTION_TIMEOUT;
3080
3081                         ql_log(ql_log_warn, vha, 0x015e,
3082                                "RISC reset timeout\n");
3083                 }
3084         }
3085
3086         if (rval == QLA_SUCCESS)
3087                 set_bit(RISC_RDY_AFT_RESET, &ha->fw_dump_cap_flags);
3088
3089         ql_dbg(ql_dbg_init + ql_dbg_verbose, vha, 0x015e,
3090             "Host Risc 0x%x, mailbox0 0x%x\n",
3091             rd_reg_dword(&reg->hccr),
3092              rd_reg_word(&reg->mailbox0));
3093
3094         spin_unlock_irqrestore(&ha->hardware_lock, flags);
3095
3096         ql_dbg(ql_dbg_init + ql_dbg_verbose, vha, 0x015f,
3097             "Driver in %s mode\n",
3098             IS_NOPOLLING_TYPE(ha) ? "Interrupt" : "Polling");
3099
3100         if (IS_NOPOLLING_TYPE(ha))
3101                 ha->isp_ops->enable_intrs(ha);
3102
3103         return rval;
3104 }
3105
3106 static void
3107 qla25xx_read_risc_sema_reg(scsi_qla_host_t *vha, uint32_t *data)
3108 {
3109         struct device_reg_24xx __iomem *reg = &vha->hw->iobase->isp24;
3110
3111         wrt_reg_dword(&reg->iobase_addr, RISC_REGISTER_BASE_OFFSET);
3112         *data = rd_reg_dword(&reg->iobase_window + RISC_REGISTER_WINDOW_OFFSET);
3113 }
3114
3115 static void
3116 qla25xx_write_risc_sema_reg(scsi_qla_host_t *vha, uint32_t data)
3117 {
3118         struct device_reg_24xx __iomem *reg = &vha->hw->iobase->isp24;
3119
3120         wrt_reg_dword(&reg->iobase_addr, RISC_REGISTER_BASE_OFFSET);
3121         wrt_reg_dword(&reg->iobase_window + RISC_REGISTER_WINDOW_OFFSET, data);
3122 }
3123
3124 static void
3125 qla25xx_manipulate_risc_semaphore(scsi_qla_host_t *vha)
3126 {
3127         uint32_t wd32 = 0;
3128         uint delta_msec = 100;
3129         uint elapsed_msec = 0;
3130         uint timeout_msec;
3131         ulong n;
3132
3133         if (vha->hw->pdev->subsystem_device != 0x0175 &&
3134             vha->hw->pdev->subsystem_device != 0x0240)
3135                 return;
3136
3137         wrt_reg_dword(&vha->hw->iobase->isp24.hccr, HCCRX_SET_RISC_PAUSE);
3138         udelay(100);
3139
3140 attempt:
3141         timeout_msec = TIMEOUT_SEMAPHORE;
3142         n = timeout_msec / delta_msec;
3143         while (n--) {
3144                 qla25xx_write_risc_sema_reg(vha, RISC_SEMAPHORE_SET);
3145                 qla25xx_read_risc_sema_reg(vha, &wd32);
3146                 if (wd32 & RISC_SEMAPHORE)
3147                         break;
3148                 msleep(delta_msec);
3149                 elapsed_msec += delta_msec;
3150                 if (elapsed_msec > TIMEOUT_TOTAL_ELAPSED)
3151                         goto force;
3152         }
3153
3154         if (!(wd32 & RISC_SEMAPHORE))
3155                 goto force;
3156
3157         if (!(wd32 & RISC_SEMAPHORE_FORCE))
3158                 goto acquired;
3159
3160         qla25xx_write_risc_sema_reg(vha, RISC_SEMAPHORE_CLR);
3161         timeout_msec = TIMEOUT_SEMAPHORE_FORCE;
3162         n = timeout_msec / delta_msec;
3163         while (n--) {
3164                 qla25xx_read_risc_sema_reg(vha, &wd32);
3165                 if (!(wd32 & RISC_SEMAPHORE_FORCE))
3166                         break;
3167                 msleep(delta_msec);
3168                 elapsed_msec += delta_msec;
3169                 if (elapsed_msec > TIMEOUT_TOTAL_ELAPSED)
3170                         goto force;
3171         }
3172
3173         if (wd32 & RISC_SEMAPHORE_FORCE)
3174                 qla25xx_write_risc_sema_reg(vha, RISC_SEMAPHORE_FORCE_CLR);
3175
3176         goto attempt;
3177
3178 force:
3179         qla25xx_write_risc_sema_reg(vha, RISC_SEMAPHORE_FORCE_SET);
3180
3181 acquired:
3182         return;
3183 }
3184
3185 /**
3186  * qla24xx_reset_chip() - Reset ISP24xx chip.
3187  * @vha: HA context
3188  *
3189  * Returns 0 on success.
3190  */
3191 int
3192 qla24xx_reset_chip(scsi_qla_host_t *vha)
3193 {
3194         struct qla_hw_data *ha = vha->hw;
3195         int rval = QLA_FUNCTION_FAILED;
3196
3197         if (pci_channel_offline(ha->pdev) &&
3198             ha->flags.pci_channel_io_perm_failure) {
3199                 return rval;
3200         }
3201
3202         ha->isp_ops->disable_intrs(ha);
3203
3204         qla25xx_manipulate_risc_semaphore(vha);
3205
3206         /* Perform RISC reset. */
3207         rval = qla24xx_reset_risc(vha);
3208
3209         return rval;
3210 }
3211
3212 /**
3213  * qla2x00_chip_diag() - Test chip for proper operation.
3214  * @vha: HA context
3215  *
3216  * Returns 0 on success.
3217  */
3218 int
3219 qla2x00_chip_diag(scsi_qla_host_t *vha)
3220 {
3221         int             rval;
3222         struct qla_hw_data *ha = vha->hw;
3223         struct device_reg_2xxx __iomem *reg = &ha->iobase->isp;
3224         unsigned long   flags = 0;
3225         uint16_t        data;
3226         uint32_t        cnt;
3227         uint16_t        mb[5];
3228         struct req_que *req = ha->req_q_map[0];
3229
3230         /* Assume a failed state */
3231         rval = QLA_FUNCTION_FAILED;
3232
3233         ql_dbg(ql_dbg_init, vha, 0x007b, "Testing device at %p.\n",
3234                &reg->flash_address);
3235
3236         spin_lock_irqsave(&ha->hardware_lock, flags);
3237
3238         /* Reset ISP chip. */
3239         wrt_reg_word(&reg->ctrl_status, CSR_ISP_SOFT_RESET);
3240
3241         /*
3242          * We need to have a delay here since the card will not respond while
3243          * in reset causing an MCA on some architectures.
3244          */
3245         udelay(20);
3246         data = qla2x00_debounce_register(&reg->ctrl_status);
3247         for (cnt = 6000000 ; cnt && (data & CSR_ISP_SOFT_RESET); cnt--) {
3248                 udelay(5);
3249                 data = rd_reg_word(&reg->ctrl_status);
3250                 barrier();
3251         }
3252
3253         if (!cnt)
3254                 goto chip_diag_failed;
3255
3256         ql_dbg(ql_dbg_init, vha, 0x007c,
3257             "Reset register cleared by chip reset.\n");
3258
3259         /* Reset RISC processor. */
3260         wrt_reg_word(&reg->hccr, HCCR_RESET_RISC);
3261         wrt_reg_word(&reg->hccr, HCCR_RELEASE_RISC);
3262
3263         /* Workaround for QLA2312 PCI parity error */
3264         if (IS_QLA2100(ha) || IS_QLA2200(ha) || IS_QLA2300(ha)) {
3265                 data = qla2x00_debounce_register(MAILBOX_REG(ha, reg, 0));
3266                 for (cnt = 6000000; cnt && (data == MBS_BUSY); cnt--) {
3267                         udelay(5);
3268                         data = RD_MAILBOX_REG(ha, reg, 0);
3269                         barrier();
3270                 }
3271         } else
3272                 udelay(10);
3273
3274         if (!cnt)
3275                 goto chip_diag_failed;
3276
3277         /* Check product ID of chip */
3278         ql_dbg(ql_dbg_init, vha, 0x007d, "Checking product ID of chip.\n");
3279
3280         mb[1] = RD_MAILBOX_REG(ha, reg, 1);
3281         mb[2] = RD_MAILBOX_REG(ha, reg, 2);
3282         mb[3] = RD_MAILBOX_REG(ha, reg, 3);
3283         mb[4] = qla2x00_debounce_register(MAILBOX_REG(ha, reg, 4));
3284         if (mb[1] != PROD_ID_1 || (mb[2] != PROD_ID_2 && mb[2] != PROD_ID_2a) ||
3285             mb[3] != PROD_ID_3) {
3286                 ql_log(ql_log_warn, vha, 0x0062,
3287                     "Wrong product ID = 0x%x,0x%x,0x%x.\n",
3288                     mb[1], mb[2], mb[3]);
3289
3290                 goto chip_diag_failed;
3291         }
3292         ha->product_id[0] = mb[1];
3293         ha->product_id[1] = mb[2];
3294         ha->product_id[2] = mb[3];
3295         ha->product_id[3] = mb[4];
3296
3297         /* Adjust fw RISC transfer size */
3298         if (req->length > 1024)
3299                 ha->fw_transfer_size = REQUEST_ENTRY_SIZE * 1024;
3300         else
3301                 ha->fw_transfer_size = REQUEST_ENTRY_SIZE *
3302                     req->length;
3303
3304         if (IS_QLA2200(ha) &&
3305             RD_MAILBOX_REG(ha, reg, 7) == QLA2200A_RISC_ROM_VER) {
3306                 /* Limit firmware transfer size with a 2200A */
3307                 ql_dbg(ql_dbg_init, vha, 0x007e, "Found QLA2200A Chip.\n");
3308
3309                 ha->device_type |= DT_ISP2200A;
3310                 ha->fw_transfer_size = 128;
3311         }
3312
3313         /* Wrap Incoming Mailboxes Test. */
3314         spin_unlock_irqrestore(&ha->hardware_lock, flags);
3315
3316         ql_dbg(ql_dbg_init, vha, 0x007f, "Checking mailboxes.\n");
3317         rval = qla2x00_mbx_reg_test(vha);
3318         if (rval)
3319                 ql_log(ql_log_warn, vha, 0x0080,
3320                     "Failed mailbox send register test.\n");
3321         else
3322                 /* Flag a successful rval */
3323                 rval = QLA_SUCCESS;
3324         spin_lock_irqsave(&ha->hardware_lock, flags);
3325
3326 chip_diag_failed:
3327         if (rval)
3328                 ql_log(ql_log_info, vha, 0x0081,
3329                     "Chip diagnostics **** FAILED ****.\n");
3330
3331         spin_unlock_irqrestore(&ha->hardware_lock, flags);
3332
3333         return (rval);
3334 }
3335
3336 /**
3337  * qla24xx_chip_diag() - Test ISP24xx for proper operation.
3338  * @vha: HA context
3339  *
3340  * Returns 0 on success.
3341  */
3342 int
3343 qla24xx_chip_diag(scsi_qla_host_t *vha)
3344 {
3345         int rval;
3346         struct qla_hw_data *ha = vha->hw;
3347         struct req_que *req = ha->req_q_map[0];
3348
3349         if (IS_P3P_TYPE(ha))
3350                 return QLA_SUCCESS;
3351
3352         ha->fw_transfer_size = REQUEST_ENTRY_SIZE * req->length;
3353
3354         rval = qla2x00_mbx_reg_test(vha);
3355         if (rval) {
3356                 ql_log(ql_log_warn, vha, 0x0082,
3357                     "Failed mailbox send register test.\n");
3358         } else {
3359                 /* Flag a successful rval */
3360                 rval = QLA_SUCCESS;
3361         }
3362
3363         return rval;
3364 }
3365
3366 static void
3367 qla2x00_init_fce_trace(scsi_qla_host_t *vha)
3368 {
3369         int rval;
3370         dma_addr_t tc_dma;
3371         void *tc;
3372         struct qla_hw_data *ha = vha->hw;
3373
3374         if (!IS_FWI2_CAPABLE(ha))
3375                 return;
3376
3377         if (!IS_QLA25XX(ha) && !IS_QLA81XX(ha) && !IS_QLA83XX(ha) &&
3378             !IS_QLA27XX(ha) && !IS_QLA28XX(ha))
3379                 return;
3380
3381         if (ha->fce) {
3382                 ql_dbg(ql_dbg_init, vha, 0x00bd,
3383                        "%s: FCE Mem is already allocated.\n",
3384                        __func__);
3385                 return;
3386         }
3387
3388         /* Allocate memory for Fibre Channel Event Buffer. */
3389         tc = dma_alloc_coherent(&ha->pdev->dev, FCE_SIZE, &tc_dma,
3390                                 GFP_KERNEL);
3391         if (!tc) {
3392                 ql_log(ql_log_warn, vha, 0x00be,
3393                        "Unable to allocate (%d KB) for FCE.\n",
3394                        FCE_SIZE / 1024);
3395                 return;
3396         }
3397
3398         rval = qla2x00_enable_fce_trace(vha, tc_dma, FCE_NUM_BUFFERS,
3399                                         ha->fce_mb, &ha->fce_bufs);
3400         if (rval) {
3401                 ql_log(ql_log_warn, vha, 0x00bf,
3402                        "Unable to initialize FCE (%d).\n", rval);
3403                 dma_free_coherent(&ha->pdev->dev, FCE_SIZE, tc, tc_dma);
3404                 return;
3405         }
3406
3407         ql_dbg(ql_dbg_init, vha, 0x00c0,
3408                "Allocated (%d KB) for FCE...\n", FCE_SIZE / 1024);
3409
3410         ha->flags.fce_enabled = 1;
3411         ha->fce_dma = tc_dma;
3412         ha->fce = tc;
3413 }
3414
3415 static void
3416 qla2x00_init_eft_trace(scsi_qla_host_t *vha)
3417 {
3418         int rval;
3419         dma_addr_t tc_dma;
3420         void *tc;
3421         struct qla_hw_data *ha = vha->hw;
3422
3423         if (!IS_FWI2_CAPABLE(ha))
3424                 return;
3425
3426         if (ha->eft) {
3427                 ql_dbg(ql_dbg_init, vha, 0x00bd,
3428                     "%s: EFT Mem is already allocated.\n",
3429                     __func__);
3430                 return;
3431         }
3432
3433         /* Allocate memory for Extended Trace Buffer. */
3434         tc = dma_alloc_coherent(&ha->pdev->dev, EFT_SIZE, &tc_dma,
3435                                 GFP_KERNEL);
3436         if (!tc) {
3437                 ql_log(ql_log_warn, vha, 0x00c1,
3438                        "Unable to allocate (%d KB) for EFT.\n",
3439                        EFT_SIZE / 1024);
3440                 return;
3441         }
3442
3443         rval = qla2x00_enable_eft_trace(vha, tc_dma, EFT_NUM_BUFFERS);
3444         if (rval) {
3445                 ql_log(ql_log_warn, vha, 0x00c2,
3446                        "Unable to initialize EFT (%d).\n", rval);
3447                 dma_free_coherent(&ha->pdev->dev, EFT_SIZE, tc, tc_dma);
3448                 return;
3449         }
3450
3451         ql_dbg(ql_dbg_init, vha, 0x00c3,
3452                "Allocated (%d KB) EFT ...\n", EFT_SIZE / 1024);
3453
3454         ha->eft_dma = tc_dma;
3455         ha->eft = tc;
3456 }
3457
3458 static void
3459 qla2x00_alloc_offload_mem(scsi_qla_host_t *vha)
3460 {
3461         qla2x00_init_fce_trace(vha);
3462         qla2x00_init_eft_trace(vha);
3463 }
3464
3465 void
3466 qla2x00_alloc_fw_dump(scsi_qla_host_t *vha)
3467 {
3468         uint32_t dump_size, fixed_size, mem_size, req_q_size, rsp_q_size,
3469             eft_size, fce_size, mq_size;
3470         struct qla_hw_data *ha = vha->hw;
3471         struct req_que *req = ha->req_q_map[0];
3472         struct rsp_que *rsp = ha->rsp_q_map[0];
3473         struct qla2xxx_fw_dump *fw_dump;
3474
3475         dump_size = fixed_size = mem_size = eft_size = fce_size = mq_size = 0;
3476         req_q_size = rsp_q_size = 0;
3477
3478         if (IS_QLA2100(ha) || IS_QLA2200(ha)) {
3479                 fixed_size = sizeof(struct qla2100_fw_dump);
3480         } else if (IS_QLA23XX(ha)) {
3481                 fixed_size = offsetof(struct qla2300_fw_dump, data_ram);
3482                 mem_size = (ha->fw_memory_size - 0x11000 + 1) *
3483                     sizeof(uint16_t);
3484         } else if (IS_FWI2_CAPABLE(ha)) {
3485                 if (IS_QLA83XX(ha) || IS_QLA27XX(ha) || IS_QLA28XX(ha))
3486                         fixed_size = offsetof(struct qla83xx_fw_dump, ext_mem);
3487                 else if (IS_QLA81XX(ha))
3488                         fixed_size = offsetof(struct qla81xx_fw_dump, ext_mem);
3489                 else if (IS_QLA25XX(ha))
3490                         fixed_size = offsetof(struct qla25xx_fw_dump, ext_mem);
3491                 else
3492                         fixed_size = offsetof(struct qla24xx_fw_dump, ext_mem);
3493
3494                 mem_size = (ha->fw_memory_size - 0x100000 + 1) *
3495                     sizeof(uint32_t);
3496                 if (ha->mqenable) {
3497                         if (!IS_QLA83XX(ha) && !IS_QLA27XX(ha) &&
3498                             !IS_QLA28XX(ha))
3499                                 mq_size = sizeof(struct qla2xxx_mq_chain);
3500                         /*
3501                          * Allocate maximum buffer size for all queues - Q0.
3502                          * Resizing must be done at end-of-dump processing.
3503                          */
3504                         mq_size += (ha->max_req_queues - 1) *
3505                             (req->length * sizeof(request_t));
3506                         mq_size += (ha->max_rsp_queues - 1) *
3507                             (rsp->length * sizeof(response_t));
3508                 }
3509                 if (ha->tgt.atio_ring)
3510                         mq_size += ha->tgt.atio_q_length * sizeof(request_t);
3511
3512                 qla2x00_init_fce_trace(vha);
3513                 if (ha->fce)
3514                         fce_size = sizeof(struct qla2xxx_fce_chain) + FCE_SIZE;
3515                 qla2x00_init_eft_trace(vha);
3516                 if (ha->eft)
3517                         eft_size = EFT_SIZE;
3518         }
3519
3520         if (IS_QLA27XX(ha) || IS_QLA28XX(ha)) {
3521                 struct fwdt *fwdt = ha->fwdt;
3522                 uint j;
3523
3524                 for (j = 0; j < 2; j++, fwdt++) {
3525                         if (!fwdt->template) {
3526                                 ql_dbg(ql_dbg_init, vha, 0x00ba,
3527                                     "-> fwdt%u no template\n", j);
3528                                 continue;
3529                         }
3530                         ql_dbg(ql_dbg_init, vha, 0x00fa,
3531                             "-> fwdt%u calculating fwdump size...\n", j);
3532                         fwdt->dump_size = qla27xx_fwdt_calculate_dump_size(
3533                             vha, fwdt->template);
3534                         ql_dbg(ql_dbg_init, vha, 0x00fa,
3535                             "-> fwdt%u calculated fwdump size = %#lx bytes\n",
3536                             j, fwdt->dump_size);
3537                         dump_size += fwdt->dump_size;
3538                 }
3539                 /* Add space for spare MPI fw dump. */
3540                 dump_size += ha->fwdt[1].dump_size;
3541         } else {
3542                 req_q_size = req->length * sizeof(request_t);
3543                 rsp_q_size = rsp->length * sizeof(response_t);
3544                 dump_size = offsetof(struct qla2xxx_fw_dump, isp);
3545                 dump_size += fixed_size + mem_size + req_q_size + rsp_q_size
3546                         + eft_size;
3547                 ha->chain_offset = dump_size;
3548                 dump_size += mq_size + fce_size;
3549                 if (ha->exchoffld_buf)
3550                         dump_size += sizeof(struct qla2xxx_offld_chain) +
3551                                 ha->exchoffld_size;
3552                 if (ha->exlogin_buf)
3553                         dump_size += sizeof(struct qla2xxx_offld_chain) +
3554                                 ha->exlogin_size;
3555         }
3556
3557         if (!ha->fw_dump_len || dump_size > ha->fw_dump_alloc_len) {
3558
3559                 ql_dbg(ql_dbg_init, vha, 0x00c5,
3560                     "%s dump_size %d fw_dump_len %d fw_dump_alloc_len %d\n",
3561                     __func__, dump_size, ha->fw_dump_len,
3562                     ha->fw_dump_alloc_len);
3563
3564                 fw_dump = vmalloc(dump_size);
3565                 if (!fw_dump) {
3566                         ql_log(ql_log_warn, vha, 0x00c4,
3567                             "Unable to allocate (%d KB) for firmware dump.\n",
3568                             dump_size / 1024);
3569                 } else {
3570                         mutex_lock(&ha->optrom_mutex);
3571                         if (ha->fw_dumped) {
3572                                 memcpy(fw_dump, ha->fw_dump, ha->fw_dump_len);
3573                                 vfree(ha->fw_dump);
3574                                 ha->fw_dump = fw_dump;
3575                                 ha->fw_dump_alloc_len =  dump_size;
3576                                 ql_dbg(ql_dbg_init, vha, 0x00c5,
3577                                     "Re-Allocated (%d KB) and save firmware dump.\n",
3578                                     dump_size / 1024);
3579                         } else {
3580                                 vfree(ha->fw_dump);
3581                                 ha->fw_dump = fw_dump;
3582
3583                                 ha->fw_dump_len = ha->fw_dump_alloc_len =
3584                                     dump_size;
3585                                 ql_dbg(ql_dbg_init, vha, 0x00c5,
3586                                     "Allocated (%d KB) for firmware dump.\n",
3587                                     dump_size / 1024);
3588
3589                                 if (IS_QLA27XX(ha) || IS_QLA28XX(ha)) {
3590                                         ha->mpi_fw_dump = (char *)fw_dump +
3591                                                 ha->fwdt[1].dump_size;
3592                                         mutex_unlock(&ha->optrom_mutex);
3593                                         return;
3594                                 }
3595
3596                                 ha->fw_dump->signature[0] = 'Q';
3597                                 ha->fw_dump->signature[1] = 'L';
3598                                 ha->fw_dump->signature[2] = 'G';
3599                                 ha->fw_dump->signature[3] = 'C';
3600                                 ha->fw_dump->version = htonl(1);
3601
3602                                 ha->fw_dump->fixed_size = htonl(fixed_size);
3603                                 ha->fw_dump->mem_size = htonl(mem_size);
3604                                 ha->fw_dump->req_q_size = htonl(req_q_size);
3605                                 ha->fw_dump->rsp_q_size = htonl(rsp_q_size);
3606
3607                                 ha->fw_dump->eft_size = htonl(eft_size);
3608                                 ha->fw_dump->eft_addr_l =
3609                                     htonl(LSD(ha->eft_dma));
3610                                 ha->fw_dump->eft_addr_h =
3611                                     htonl(MSD(ha->eft_dma));
3612
3613                                 ha->fw_dump->header_size =
3614                                         htonl(offsetof
3615                                             (struct qla2xxx_fw_dump, isp));
3616                         }
3617                         mutex_unlock(&ha->optrom_mutex);
3618                 }
3619         }
3620 }
3621
3622 static int
3623 qla81xx_mpi_sync(scsi_qla_host_t *vha)
3624 {
3625 #define MPS_MASK        0xe0
3626         int rval;
3627         uint16_t dc;
3628         uint32_t dw;
3629
3630         if (!IS_QLA81XX(vha->hw))
3631                 return QLA_SUCCESS;
3632
3633         rval = qla2x00_write_ram_word(vha, 0x7c00, 1);
3634         if (rval != QLA_SUCCESS) {
3635                 ql_log(ql_log_warn, vha, 0x0105,
3636                     "Unable to acquire semaphore.\n");
3637                 goto done;
3638         }
3639
3640         pci_read_config_word(vha->hw->pdev, 0x54, &dc);
3641         rval = qla2x00_read_ram_word(vha, 0x7a15, &dw);
3642         if (rval != QLA_SUCCESS) {
3643                 ql_log(ql_log_warn, vha, 0x0067, "Unable to read sync.\n");
3644                 goto done_release;
3645         }
3646
3647         dc &= MPS_MASK;
3648         if (dc == (dw & MPS_MASK))
3649                 goto done_release;
3650
3651         dw &= ~MPS_MASK;
3652         dw |= dc;
3653         rval = qla2x00_write_ram_word(vha, 0x7a15, dw);
3654         if (rval != QLA_SUCCESS) {
3655                 ql_log(ql_log_warn, vha, 0x0114, "Unable to gain sync.\n");
3656         }
3657
3658 done_release:
3659         rval = qla2x00_write_ram_word(vha, 0x7c00, 0);
3660         if (rval != QLA_SUCCESS) {
3661                 ql_log(ql_log_warn, vha, 0x006d,
3662                     "Unable to release semaphore.\n");
3663         }
3664
3665 done:
3666         return rval;
3667 }
3668
3669 int
3670 qla2x00_alloc_outstanding_cmds(struct qla_hw_data *ha, struct req_que *req)
3671 {
3672         /* Don't try to reallocate the array */
3673         if (req->outstanding_cmds)
3674                 return QLA_SUCCESS;
3675
3676         if (!IS_FWI2_CAPABLE(ha))
3677                 req->num_outstanding_cmds = DEFAULT_OUTSTANDING_COMMANDS;
3678         else {
3679                 if (ha->cur_fw_xcb_count <= ha->cur_fw_iocb_count)
3680                         req->num_outstanding_cmds = ha->cur_fw_xcb_count;
3681                 else
3682                         req->num_outstanding_cmds = ha->cur_fw_iocb_count;
3683         }
3684
3685         req->outstanding_cmds = kcalloc(req->num_outstanding_cmds,
3686                                         sizeof(srb_t *),
3687                                         GFP_KERNEL);
3688
3689         if (!req->outstanding_cmds) {
3690                 /*
3691                  * Try to allocate a minimal size just so we can get through
3692                  * initialization.
3693                  */
3694                 req->num_outstanding_cmds = MIN_OUTSTANDING_COMMANDS;
3695                 req->outstanding_cmds = kcalloc(req->num_outstanding_cmds,
3696                                                 sizeof(srb_t *),
3697                                                 GFP_KERNEL);
3698
3699                 if (!req->outstanding_cmds) {
3700                         ql_log(ql_log_fatal, NULL, 0x0126,
3701                             "Failed to allocate memory for "
3702                             "outstanding_cmds for req_que %p.\n", req);
3703                         req->num_outstanding_cmds = 0;
3704                         return QLA_FUNCTION_FAILED;
3705                 }
3706         }
3707
3708         return QLA_SUCCESS;
3709 }
3710
3711 #define PRINT_FIELD(_field, _flag, _str) {              \
3712         if (a0->_field & _flag) {\
3713                 if (p) {\
3714                         strcat(ptr, "|");\
3715                         ptr++;\
3716                         leftover--;\
3717                 } \
3718                 len = snprintf(ptr, leftover, "%s", _str);      \
3719                 p = 1;\
3720                 leftover -= len;\
3721                 ptr += len; \
3722         } \
3723 }
3724
3725 static void qla2xxx_print_sfp_info(struct scsi_qla_host *vha)
3726 {
3727 #define STR_LEN 64
3728         struct sff_8247_a0 *a0 = (struct sff_8247_a0 *)vha->hw->sfp_data;
3729         u8 str[STR_LEN], *ptr, p;
3730         int leftover, len;
3731
3732         memset(str, 0, STR_LEN);
3733         snprintf(str, SFF_VEN_NAME_LEN+1, a0->vendor_name);
3734         ql_dbg(ql_dbg_init, vha, 0x015a,
3735             "SFP MFG Name: %s\n", str);
3736
3737         memset(str, 0, STR_LEN);
3738         snprintf(str, SFF_PART_NAME_LEN+1, a0->vendor_pn);
3739         ql_dbg(ql_dbg_init, vha, 0x015c,
3740             "SFP Part Name: %s\n", str);
3741
3742         /* media */
3743         memset(str, 0, STR_LEN);
3744         ptr = str;
3745         leftover = STR_LEN;
3746         p = len = 0;
3747         PRINT_FIELD(fc_med_cc9, FC_MED_TW, "Twin AX");
3748         PRINT_FIELD(fc_med_cc9, FC_MED_TP, "Twisted Pair");
3749         PRINT_FIELD(fc_med_cc9, FC_MED_MI, "Min Coax");
3750         PRINT_FIELD(fc_med_cc9, FC_MED_TV, "Video Coax");
3751         PRINT_FIELD(fc_med_cc9, FC_MED_M6, "MultiMode 62.5um");
3752         PRINT_FIELD(fc_med_cc9, FC_MED_M5, "MultiMode 50um");
3753         PRINT_FIELD(fc_med_cc9, FC_MED_SM, "SingleMode");
3754         ql_dbg(ql_dbg_init, vha, 0x0160,
3755             "SFP Media: %s\n", str);
3756
3757         /* link length */
3758         memset(str, 0, STR_LEN);
3759         ptr = str;
3760         leftover = STR_LEN;
3761         p = len = 0;
3762         PRINT_FIELD(fc_ll_cc7, FC_LL_VL, "Very Long");
3763         PRINT_FIELD(fc_ll_cc7, FC_LL_S, "Short");
3764         PRINT_FIELD(fc_ll_cc7, FC_LL_I, "Intermediate");
3765         PRINT_FIELD(fc_ll_cc7, FC_LL_L, "Long");
3766         PRINT_FIELD(fc_ll_cc7, FC_LL_M, "Medium");
3767         ql_dbg(ql_dbg_init, vha, 0x0196,
3768             "SFP Link Length: %s\n", str);
3769
3770         memset(str, 0, STR_LEN);
3771         ptr = str;
3772         leftover = STR_LEN;
3773         p = len = 0;
3774         PRINT_FIELD(fc_ll_cc7, FC_LL_SA, "Short Wave (SA)");
3775         PRINT_FIELD(fc_ll_cc7, FC_LL_LC, "Long Wave(LC)");
3776         PRINT_FIELD(fc_tec_cc8, FC_TEC_SN, "Short Wave (SN)");
3777         PRINT_FIELD(fc_tec_cc8, FC_TEC_SL, "Short Wave (SL)");
3778         PRINT_FIELD(fc_tec_cc8, FC_TEC_LL, "Long Wave (LL)");
3779         ql_dbg(ql_dbg_init, vha, 0x016e,
3780             "SFP FC Link Tech: %s\n", str);
3781
3782         if (a0->length_km)
3783                 ql_dbg(ql_dbg_init, vha, 0x016f,
3784                     "SFP Distant: %d km\n", a0->length_km);
3785         if (a0->length_100m)
3786                 ql_dbg(ql_dbg_init, vha, 0x0170,
3787                     "SFP Distant: %d m\n", a0->length_100m*100);
3788         if (a0->length_50um_10m)
3789                 ql_dbg(ql_dbg_init, vha, 0x0189,
3790                     "SFP Distant (WL=50um): %d m\n", a0->length_50um_10m * 10);
3791         if (a0->length_62um_10m)
3792                 ql_dbg(ql_dbg_init, vha, 0x018a,
3793                   "SFP Distant (WL=62.5um): %d m\n", a0->length_62um_10m * 10);
3794         if (a0->length_om4_10m)
3795                 ql_dbg(ql_dbg_init, vha, 0x0194,
3796                     "SFP Distant (OM4): %d m\n", a0->length_om4_10m * 10);
3797         if (a0->length_om3_10m)
3798                 ql_dbg(ql_dbg_init, vha, 0x0195,
3799                     "SFP Distant (OM3): %d m\n", a0->length_om3_10m * 10);
3800 }
3801
3802
3803 /**
3804  * qla24xx_detect_sfp()
3805  *
3806  * @vha: adapter state pointer.
3807  *
3808  * @return
3809  *      0 -- Configure firmware to use short-range settings -- normal
3810  *           buffer-to-buffer credits.
3811  *
3812  *      1 -- Configure firmware to use long-range settings -- extra
3813  *           buffer-to-buffer credits should be allocated with
3814  *           ha->lr_distance containing distance settings from NVRAM or SFP
3815  *           (if supported).
3816  */
3817 int
3818 qla24xx_detect_sfp(scsi_qla_host_t *vha)
3819 {
3820         int rc, used_nvram;
3821         struct sff_8247_a0 *a;
3822         struct qla_hw_data *ha = vha->hw;
3823         struct nvram_81xx *nv = ha->nvram;
3824 #define LR_DISTANCE_UNKNOWN     2
3825         static const char * const types[] = { "Short", "Long" };
3826         static const char * const lengths[] = { "(10km)", "(5km)", "" };
3827         u8 ll = 0;
3828
3829         /* Seed with NVRAM settings. */
3830         used_nvram = 0;
3831         ha->flags.lr_detected = 0;
3832         if (IS_BPM_RANGE_CAPABLE(ha) &&
3833             (nv->enhanced_features & NEF_LR_DIST_ENABLE)) {
3834                 used_nvram = 1;
3835                 ha->flags.lr_detected = 1;
3836                 ha->lr_distance =
3837                     (nv->enhanced_features >> LR_DIST_NV_POS)
3838                      & LR_DIST_NV_MASK;
3839         }
3840
3841         if (!IS_BPM_ENABLED(vha))
3842                 goto out;
3843         /* Determine SR/LR capabilities of SFP/Transceiver. */
3844         rc = qla2x00_read_sfp_dev(vha, NULL, 0);
3845         if (rc)
3846                 goto out;
3847
3848         used_nvram = 0;
3849         a = (struct sff_8247_a0 *)vha->hw->sfp_data;
3850         qla2xxx_print_sfp_info(vha);
3851
3852         ha->flags.lr_detected = 0;
3853         ll = a->fc_ll_cc7;
3854         if (ll & FC_LL_VL || ll & FC_LL_L) {
3855                 /* Long range, track length. */
3856                 ha->flags.lr_detected = 1;
3857
3858                 if (a->length_km > 5 || a->length_100m > 50)
3859                         ha->lr_distance = LR_DISTANCE_10K;
3860                 else
3861                         ha->lr_distance = LR_DISTANCE_5K;
3862         }
3863
3864 out:
3865         ql_dbg(ql_dbg_async, vha, 0x507b,
3866             "SFP detect: %s-Range SFP %s (nvr=%x ll=%x lr=%x lrd=%x).\n",
3867             types[ha->flags.lr_detected],
3868             ha->flags.lr_detected ? lengths[ha->lr_distance] :
3869                lengths[LR_DISTANCE_UNKNOWN],
3870             used_nvram, ll, ha->flags.lr_detected, ha->lr_distance);
3871         return ha->flags.lr_detected;
3872 }
3873
3874 void qla_init_iocb_limit(scsi_qla_host_t *vha)
3875 {
3876         u16 i, num_qps;
3877         u32 limit;
3878         struct qla_hw_data *ha = vha->hw;
3879
3880         num_qps = ha->num_qpairs + 1;
3881         limit = (ha->orig_fw_iocb_count * QLA_IOCB_PCT_LIMIT) / 100;
3882
3883         ha->base_qpair->fwres.iocbs_total = ha->orig_fw_iocb_count;
3884         ha->base_qpair->fwres.iocbs_limit = limit;
3885         ha->base_qpair->fwres.iocbs_qp_limit = limit / num_qps;
3886         ha->base_qpair->fwres.iocbs_used = 0;
3887         for (i = 0; i < ha->max_qpairs; i++) {
3888                 if (ha->queue_pair_map[i])  {
3889                         ha->queue_pair_map[i]->fwres.iocbs_total =
3890                                 ha->orig_fw_iocb_count;
3891                         ha->queue_pair_map[i]->fwres.iocbs_limit = limit;
3892                         ha->queue_pair_map[i]->fwres.iocbs_qp_limit =
3893                                 limit / num_qps;
3894                         ha->queue_pair_map[i]->fwres.iocbs_used = 0;
3895                 }
3896         }
3897 }
3898
3899 /**
3900  * qla2x00_setup_chip() - Load and start RISC firmware.
3901  * @vha: HA context
3902  *
3903  * Returns 0 on success.
3904  */
3905 static int
3906 qla2x00_setup_chip(scsi_qla_host_t *vha)
3907 {
3908         int rval;
3909         uint32_t srisc_address = 0;
3910         struct qla_hw_data *ha = vha->hw;
3911         struct device_reg_2xxx __iomem *reg = &ha->iobase->isp;
3912         unsigned long flags;
3913         uint16_t fw_major_version;
3914         int done_once = 0;
3915
3916         if (IS_P3P_TYPE(ha)) {
3917                 rval = ha->isp_ops->load_risc(vha, &srisc_address);
3918                 if (rval == QLA_SUCCESS) {
3919                         qla2x00_stop_firmware(vha);
3920                         goto enable_82xx_npiv;
3921                 } else
3922                         goto failed;
3923         }
3924
3925         if (!IS_FWI2_CAPABLE(ha) && !IS_QLA2100(ha) && !IS_QLA2200(ha)) {
3926                 /* Disable SRAM, Instruction RAM and GP RAM parity.  */
3927                 spin_lock_irqsave(&ha->hardware_lock, flags);
3928                 wrt_reg_word(&reg->hccr, (HCCR_ENABLE_PARITY + 0x0));
3929                 rd_reg_word(&reg->hccr);
3930                 spin_unlock_irqrestore(&ha->hardware_lock, flags);
3931         }
3932
3933         qla81xx_mpi_sync(vha);
3934
3935 execute_fw_with_lr:
3936         /* Load firmware sequences */
3937         rval = ha->isp_ops->load_risc(vha, &srisc_address);
3938         if (rval == QLA_SUCCESS) {
3939                 ql_dbg(ql_dbg_init, vha, 0x00c9,
3940                     "Verifying Checksum of loaded RISC code.\n");
3941
3942                 rval = qla2x00_verify_checksum(vha, srisc_address);
3943                 if (rval == QLA_SUCCESS) {
3944                         /* Start firmware execution. */
3945                         ql_dbg(ql_dbg_init, vha, 0x00ca,
3946                             "Starting firmware.\n");
3947
3948                         if (ql2xexlogins)
3949                                 ha->flags.exlogins_enabled = 1;
3950
3951                         if (qla_is_exch_offld_enabled(vha))
3952                                 ha->flags.exchoffld_enabled = 1;
3953
3954                         rval = qla2x00_execute_fw(vha, srisc_address);
3955                         /* Retrieve firmware information. */
3956                         if (rval == QLA_SUCCESS) {
3957                                 /* Enable BPM support? */
3958                                 if (!done_once++ && qla24xx_detect_sfp(vha)) {
3959                                         ql_dbg(ql_dbg_init, vha, 0x00ca,
3960                                             "Re-starting firmware -- BPM.\n");
3961                                         /* Best-effort - re-init. */
3962                                         ha->isp_ops->reset_chip(vha);
3963                                         ha->isp_ops->chip_diag(vha);
3964                                         goto execute_fw_with_lr;
3965                                 }
3966
3967                                 if (IS_ZIO_THRESHOLD_CAPABLE(ha))
3968                                         qla27xx_set_zio_threshold(vha,
3969                                             ha->last_zio_threshold);
3970
3971                                 rval = qla2x00_set_exlogins_buffer(vha);
3972                                 if (rval != QLA_SUCCESS)
3973                                         goto failed;
3974
3975                                 rval = qla2x00_set_exchoffld_buffer(vha);
3976                                 if (rval != QLA_SUCCESS)
3977                                         goto failed;
3978
3979 enable_82xx_npiv:
3980                                 fw_major_version = ha->fw_major_version;
3981                                 if (IS_P3P_TYPE(ha))
3982                                         qla82xx_check_md_needed(vha);
3983                                 else
3984                                         rval = qla2x00_get_fw_version(vha);
3985                                 if (rval != QLA_SUCCESS)
3986                                         goto failed;
3987                                 ha->flags.npiv_supported = 0;
3988                                 if (IS_QLA2XXX_MIDTYPE(ha) &&
3989                                          (ha->fw_attributes & BIT_2)) {
3990                                         ha->flags.npiv_supported = 1;
3991                                         if ((!ha->max_npiv_vports) ||
3992                                             ((ha->max_npiv_vports + 1) %
3993                                             MIN_MULTI_ID_FABRIC))
3994                                                 ha->max_npiv_vports =
3995                                                     MIN_MULTI_ID_FABRIC - 1;
3996                                 }
3997                                 qla2x00_get_resource_cnts(vha);
3998                                 qla_init_iocb_limit(vha);
3999
4000                                 /*
4001                                  * Allocate the array of outstanding commands
4002                                  * now that we know the firmware resources.
4003                                  */
4004                                 rval = qla2x00_alloc_outstanding_cmds(ha,
4005                                     vha->req);
4006                                 if (rval != QLA_SUCCESS)
4007                                         goto failed;
4008
4009                                 if (!fw_major_version && !(IS_P3P_TYPE(ha)))
4010                                         qla2x00_alloc_offload_mem(vha);
4011
4012                                 if (ql2xallocfwdump && !(IS_P3P_TYPE(ha)))
4013                                         qla2x00_alloc_fw_dump(vha);
4014
4015                         } else {
4016                                 goto failed;
4017                         }
4018                 } else {
4019                         ql_log(ql_log_fatal, vha, 0x00cd,
4020                             "ISP Firmware failed checksum.\n");
4021                         goto failed;
4022                 }
4023
4024                 /* Enable PUREX PASSTHRU */
4025                 if (ql2xrdpenable || ha->flags.scm_supported_f ||
4026                     ha->flags.edif_enabled)
4027                         qla25xx_set_els_cmds_supported(vha);
4028         } else
4029                 goto failed;
4030
4031         if (!IS_FWI2_CAPABLE(ha) && !IS_QLA2100(ha) && !IS_QLA2200(ha)) {
4032                 /* Enable proper parity. */
4033                 spin_lock_irqsave(&ha->hardware_lock, flags);
4034                 if (IS_QLA2300(ha))
4035                         /* SRAM parity */
4036                         wrt_reg_word(&reg->hccr, HCCR_ENABLE_PARITY + 0x1);
4037                 else
4038                         /* SRAM, Instruction RAM and GP RAM parity */
4039                         wrt_reg_word(&reg->hccr, HCCR_ENABLE_PARITY + 0x7);
4040                 rd_reg_word(&reg->hccr);
4041                 spin_unlock_irqrestore(&ha->hardware_lock, flags);
4042         }
4043
4044         if (IS_QLA27XX(ha) || IS_QLA28XX(ha))
4045                 ha->flags.fac_supported = 1;
4046         else if (rval == QLA_SUCCESS && IS_FAC_REQUIRED(ha)) {
4047                 uint32_t size;
4048
4049                 rval = qla81xx_fac_get_sector_size(vha, &size);
4050                 if (rval == QLA_SUCCESS) {
4051                         ha->flags.fac_supported = 1;
4052                         ha->fdt_block_size = size << 2;
4053                 } else {
4054                         ql_log(ql_log_warn, vha, 0x00ce,
4055                             "Unsupported FAC firmware (%d.%02d.%02d).\n",
4056                             ha->fw_major_version, ha->fw_minor_version,
4057                             ha->fw_subminor_version);
4058
4059                         if (IS_QLA83XX(ha) || IS_QLA27XX(ha) ||
4060                             IS_QLA28XX(ha)) {
4061                                 ha->flags.fac_supported = 0;
4062                                 rval = QLA_SUCCESS;
4063                         }
4064                 }
4065         }
4066 failed:
4067         if (rval) {
4068                 ql_log(ql_log_fatal, vha, 0x00cf,
4069                     "Setup chip ****FAILED****.\n");
4070         }
4071
4072         return (rval);
4073 }
4074
4075 /**
4076  * qla2x00_init_response_q_entries() - Initializes response queue entries.
4077  * @rsp: response queue
4078  *
4079  * Beginning of request ring has initialization control block already built
4080  * by nvram config routine.
4081  *
4082  * Returns 0 on success.
4083  */
4084 void
4085 qla2x00_init_response_q_entries(struct rsp_que *rsp)
4086 {
4087         uint16_t cnt;
4088         response_t *pkt;
4089
4090         rsp->ring_ptr = rsp->ring;
4091         rsp->ring_index    = 0;
4092         rsp->status_srb = NULL;
4093         pkt = rsp->ring_ptr;
4094         for (cnt = 0; cnt < rsp->length; cnt++) {
4095                 pkt->signature = RESPONSE_PROCESSED;
4096                 pkt++;
4097         }
4098 }
4099
4100 /**
4101  * qla2x00_update_fw_options() - Read and process firmware options.
4102  * @vha: HA context
4103  *
4104  * Returns 0 on success.
4105  */
4106 void
4107 qla2x00_update_fw_options(scsi_qla_host_t *vha)
4108 {
4109         uint16_t swing, emphasis, tx_sens, rx_sens;
4110         struct qla_hw_data *ha = vha->hw;
4111
4112         memset(ha->fw_options, 0, sizeof(ha->fw_options));
4113         qla2x00_get_fw_options(vha, ha->fw_options);
4114
4115         if (IS_QLA2100(ha) || IS_QLA2200(ha))
4116                 return;
4117
4118         /* Serial Link options. */
4119         ql_dbg(ql_dbg_init + ql_dbg_buffer, vha, 0x0115,
4120             "Serial link options.\n");
4121         ql_dump_buffer(ql_dbg_init + ql_dbg_buffer, vha, 0x0109,
4122             ha->fw_seriallink_options, sizeof(ha->fw_seriallink_options));
4123
4124         ha->fw_options[1] &= ~FO1_SET_EMPHASIS_SWING;
4125         if (ha->fw_seriallink_options[3] & BIT_2) {
4126                 ha->fw_options[1] |= FO1_SET_EMPHASIS_SWING;
4127
4128                 /*  1G settings */
4129                 swing = ha->fw_seriallink_options[2] & (BIT_2 | BIT_1 | BIT_0);
4130                 emphasis = (ha->fw_seriallink_options[2] &
4131                     (BIT_4 | BIT_3)) >> 3;
4132                 tx_sens = ha->fw_seriallink_options[0] &
4133                     (BIT_3 | BIT_2 | BIT_1 | BIT_0);
4134                 rx_sens = (ha->fw_seriallink_options[0] &
4135                     (BIT_7 | BIT_6 | BIT_5 | BIT_4)) >> 4;
4136                 ha->fw_options[10] = (emphasis << 14) | (swing << 8);
4137                 if (IS_QLA2300(ha) || IS_QLA2312(ha) || IS_QLA6312(ha)) {
4138                         if (rx_sens == 0x0)
4139                                 rx_sens = 0x3;
4140                         ha->fw_options[10] |= (tx_sens << 4) | rx_sens;
4141                 } else if (IS_QLA2322(ha) || IS_QLA6322(ha))
4142                         ha->fw_options[10] |= BIT_5 |
4143                             ((rx_sens & (BIT_1 | BIT_0)) << 2) |
4144                             (tx_sens & (BIT_1 | BIT_0));
4145
4146                 /*  2G settings */
4147                 swing = (ha->fw_seriallink_options[2] &
4148                     (BIT_7 | BIT_6 | BIT_5)) >> 5;
4149                 emphasis = ha->fw_seriallink_options[3] & (BIT_1 | BIT_0);
4150                 tx_sens = ha->fw_seriallink_options[1] &
4151                     (BIT_3 | BIT_2 | BIT_1 | BIT_0);
4152                 rx_sens = (ha->fw_seriallink_options[1] &
4153                     (BIT_7 | BIT_6 | BIT_5 | BIT_4)) >> 4;
4154                 ha->fw_options[11] = (emphasis << 14) | (swing << 8);
4155                 if (IS_QLA2300(ha) || IS_QLA2312(ha) || IS_QLA6312(ha)) {
4156                         if (rx_sens == 0x0)
4157                                 rx_sens = 0x3;
4158                         ha->fw_options[11] |= (tx_sens << 4) | rx_sens;
4159                 } else if (IS_QLA2322(ha) || IS_QLA6322(ha))
4160                         ha->fw_options[11] |= BIT_5 |
4161                             ((rx_sens & (BIT_1 | BIT_0)) << 2) |
4162                             (tx_sens & (BIT_1 | BIT_0));
4163         }
4164
4165         /* FCP2 options. */
4166         /*  Return command IOCBs without waiting for an ABTS to complete. */
4167         ha->fw_options[3] |= BIT_13;
4168
4169         /* LED scheme. */
4170         if (ha->flags.enable_led_scheme)
4171                 ha->fw_options[2] |= BIT_12;
4172
4173         /* Detect ISP6312. */
4174         if (IS_QLA6312(ha))
4175                 ha->fw_options[2] |= BIT_13;
4176
4177         /* Set Retry FLOGI in case of P2P connection */
4178         if (ha->operating_mode == P2P) {
4179                 ha->fw_options[2] |= BIT_3;
4180                 ql_dbg(ql_dbg_disc, vha, 0x2100,
4181                     "(%s): Setting FLOGI retry BIT in fw_options[2]: 0x%x\n",
4182                         __func__, ha->fw_options[2]);
4183         }
4184
4185         /* Update firmware options. */
4186         qla2x00_set_fw_options(vha, ha->fw_options);
4187 }
4188
4189 void
4190 qla24xx_update_fw_options(scsi_qla_host_t *vha)
4191 {
4192         int rval;
4193         struct qla_hw_data *ha = vha->hw;
4194
4195         if (IS_P3P_TYPE(ha))
4196                 return;
4197
4198         /*  Hold status IOCBs until ABTS response received. */
4199         if (ql2xfwholdabts)
4200                 ha->fw_options[3] |= BIT_12;
4201
4202         /* Set Retry FLOGI in case of P2P connection */
4203         if (ha->operating_mode == P2P) {
4204                 ha->fw_options[2] |= BIT_3;
4205                 ql_dbg(ql_dbg_disc, vha, 0x2101,
4206                     "(%s): Setting FLOGI retry BIT in fw_options[2]: 0x%x\n",
4207                         __func__, ha->fw_options[2]);
4208         }
4209
4210         /* Move PUREX, ABTS RX & RIDA to ATIOQ */
4211         if (ql2xmvasynctoatio && !ha->flags.edif_enabled &&
4212             (IS_QLA83XX(ha) || IS_QLA27XX(ha) || IS_QLA28XX(ha))) {
4213                 if (qla_tgt_mode_enabled(vha) ||
4214                     qla_dual_mode_enabled(vha))
4215                         ha->fw_options[2] |= BIT_11;
4216                 else
4217                         ha->fw_options[2] &= ~BIT_11;
4218         }
4219
4220         if (IS_QLA25XX(ha) || IS_QLA83XX(ha) || IS_QLA27XX(ha) ||
4221             IS_QLA28XX(ha)) {
4222                 /*
4223                  * Tell FW to track each exchange to prevent
4224                  * driver from using stale exchange.
4225                  */
4226                 if (qla_tgt_mode_enabled(vha) ||
4227                     qla_dual_mode_enabled(vha))
4228                         ha->fw_options[2] |= BIT_4;
4229                 else
4230                         ha->fw_options[2] &= ~(BIT_4);
4231
4232                 /* Reserve 1/2 of emergency exchanges for ELS.*/
4233                 if (qla2xuseresexchforels)
4234                         ha->fw_options[2] |= BIT_8;
4235                 else
4236                         ha->fw_options[2] &= ~BIT_8;
4237
4238                 /*
4239                  * N2N: set Secure=1 for PLOGI ACC and
4240                  * fw shal not send PRLI after PLOGI Acc
4241                  */
4242                 if (ha->flags.edif_enabled &&
4243                     DBELL_ACTIVE(vha)) {
4244                         ha->fw_options[3] |= BIT_15;
4245                         ha->flags.n2n_fw_acc_sec = 1;
4246                 } else {
4247                         ha->fw_options[3] &= ~BIT_15;
4248                         ha->flags.n2n_fw_acc_sec = 0;
4249                 }
4250         }
4251
4252         if (ql2xrdpenable || ha->flags.scm_supported_f ||
4253             ha->flags.edif_enabled)
4254                 ha->fw_options[1] |= ADD_FO1_ENABLE_PUREX_IOCB;
4255
4256         /* Enable Async 8130/8131 events -- transceiver insertion/removal */
4257         if (IS_BPM_RANGE_CAPABLE(ha))
4258                 ha->fw_options[3] |= BIT_10;
4259
4260         ql_dbg(ql_dbg_init, vha, 0x00e8,
4261             "%s, add FW options 1-3 = 0x%04x 0x%04x 0x%04x mode %x\n",
4262             __func__, ha->fw_options[1], ha->fw_options[2],
4263             ha->fw_options[3], vha->host->active_mode);
4264
4265         if (ha->fw_options[1] || ha->fw_options[2] || ha->fw_options[3])
4266                 qla2x00_set_fw_options(vha, ha->fw_options);
4267
4268         /* Update Serial Link options. */
4269         if ((le16_to_cpu(ha->fw_seriallink_options24[0]) & BIT_0) == 0)
4270                 return;
4271
4272         rval = qla2x00_set_serdes_params(vha,
4273             le16_to_cpu(ha->fw_seriallink_options24[1]),
4274             le16_to_cpu(ha->fw_seriallink_options24[2]),
4275             le16_to_cpu(ha->fw_seriallink_options24[3]));
4276         if (rval != QLA_SUCCESS) {
4277                 ql_log(ql_log_warn, vha, 0x0104,
4278                     "Unable to update Serial Link options (%x).\n", rval);
4279         }
4280 }
4281
4282 void
4283 qla2x00_config_rings(struct scsi_qla_host *vha)
4284 {
4285         struct qla_hw_data *ha = vha->hw;
4286         struct device_reg_2xxx __iomem *reg = &ha->iobase->isp;
4287         struct req_que *req = ha->req_q_map[0];
4288         struct rsp_que *rsp = ha->rsp_q_map[0];
4289
4290         /* Setup ring parameters in initialization control block. */
4291         ha->init_cb->request_q_outpointer = cpu_to_le16(0);
4292         ha->init_cb->response_q_inpointer = cpu_to_le16(0);
4293         ha->init_cb->request_q_length = cpu_to_le16(req->length);
4294         ha->init_cb->response_q_length = cpu_to_le16(rsp->length);
4295         put_unaligned_le64(req->dma, &ha->init_cb->request_q_address);
4296         put_unaligned_le64(rsp->dma, &ha->init_cb->response_q_address);
4297
4298         wrt_reg_word(ISP_REQ_Q_IN(ha, reg), 0);
4299         wrt_reg_word(ISP_REQ_Q_OUT(ha, reg), 0);
4300         wrt_reg_word(ISP_RSP_Q_IN(ha, reg), 0);
4301         wrt_reg_word(ISP_RSP_Q_OUT(ha, reg), 0);
4302         rd_reg_word(ISP_RSP_Q_OUT(ha, reg));            /* PCI Posting. */
4303 }
4304
4305 void
4306 qla24xx_config_rings(struct scsi_qla_host *vha)
4307 {
4308         struct qla_hw_data *ha = vha->hw;
4309         device_reg_t *reg = ISP_QUE_REG(ha, 0);
4310         struct device_reg_2xxx __iomem *ioreg = &ha->iobase->isp;
4311         struct qla_msix_entry *msix;
4312         struct init_cb_24xx *icb;
4313         uint16_t rid = 0;
4314         struct req_que *req = ha->req_q_map[0];
4315         struct rsp_que *rsp = ha->rsp_q_map[0];
4316
4317         /* Setup ring parameters in initialization control block. */
4318         icb = (struct init_cb_24xx *)ha->init_cb;
4319         icb->request_q_outpointer = cpu_to_le16(0);
4320         icb->response_q_inpointer = cpu_to_le16(0);
4321         icb->request_q_length = cpu_to_le16(req->length);
4322         icb->response_q_length = cpu_to_le16(rsp->length);
4323         put_unaligned_le64(req->dma, &icb->request_q_address);
4324         put_unaligned_le64(rsp->dma, &icb->response_q_address);
4325
4326         /* Setup ATIO queue dma pointers for target mode */
4327         icb->atio_q_inpointer = cpu_to_le16(0);
4328         icb->atio_q_length = cpu_to_le16(ha->tgt.atio_q_length);
4329         put_unaligned_le64(ha->tgt.atio_dma, &icb->atio_q_address);
4330
4331         if (IS_SHADOW_REG_CAPABLE(ha))
4332                 icb->firmware_options_2 |= cpu_to_le32(BIT_30|BIT_29);
4333
4334         if (ha->mqenable || IS_QLA83XX(ha) || IS_QLA27XX(ha) ||
4335             IS_QLA28XX(ha)) {
4336                 icb->qos = cpu_to_le16(QLA_DEFAULT_QUE_QOS);
4337                 icb->rid = cpu_to_le16(rid);
4338                 if (ha->flags.msix_enabled) {
4339                         msix = &ha->msix_entries[1];
4340                         ql_dbg(ql_dbg_init, vha, 0x0019,
4341                             "Registering vector 0x%x for base que.\n",
4342                             msix->entry);
4343                         icb->msix = cpu_to_le16(msix->entry);
4344                 }
4345                 /* Use alternate PCI bus number */
4346                 if (MSB(rid))
4347                         icb->firmware_options_2 |= cpu_to_le32(BIT_19);
4348                 /* Use alternate PCI devfn */
4349                 if (LSB(rid))
4350                         icb->firmware_options_2 |= cpu_to_le32(BIT_18);
4351
4352                 /* Use Disable MSIX Handshake mode for capable adapters */
4353                 if ((ha->fw_attributes & BIT_6) && (IS_MSIX_NACK_CAPABLE(ha)) &&
4354                     (ha->flags.msix_enabled)) {
4355                         icb->firmware_options_2 &= cpu_to_le32(~BIT_22);
4356                         ha->flags.disable_msix_handshake = 1;
4357                         ql_dbg(ql_dbg_init, vha, 0x00fe,
4358                             "MSIX Handshake Disable Mode turned on.\n");
4359                 } else {
4360                         icb->firmware_options_2 |= cpu_to_le32(BIT_22);
4361                 }
4362                 icb->firmware_options_2 |= cpu_to_le32(BIT_23);
4363
4364                 wrt_reg_dword(&reg->isp25mq.req_q_in, 0);
4365                 wrt_reg_dword(&reg->isp25mq.req_q_out, 0);
4366                 wrt_reg_dword(&reg->isp25mq.rsp_q_in, 0);
4367                 wrt_reg_dword(&reg->isp25mq.rsp_q_out, 0);
4368         } else {
4369                 wrt_reg_dword(&reg->isp24.req_q_in, 0);
4370                 wrt_reg_dword(&reg->isp24.req_q_out, 0);
4371                 wrt_reg_dword(&reg->isp24.rsp_q_in, 0);
4372                 wrt_reg_dword(&reg->isp24.rsp_q_out, 0);
4373         }
4374
4375         qlt_24xx_config_rings(vha);
4376
4377         /* If the user has configured the speed, set it here */
4378         if (ha->set_data_rate) {
4379                 ql_dbg(ql_dbg_init, vha, 0x00fd,
4380                     "Speed set by user : %s Gbps \n",
4381                     qla2x00_get_link_speed_str(ha, ha->set_data_rate));
4382                 icb->firmware_options_3 = cpu_to_le32(ha->set_data_rate << 13);
4383         }
4384
4385         /* PCI posting */
4386         rd_reg_word(&ioreg->hccr);
4387 }
4388
4389 /**
4390  * qla2x00_init_rings() - Initializes firmware.
4391  * @vha: HA context
4392  *
4393  * Beginning of request ring has initialization control block already built
4394  * by nvram config routine.
4395  *
4396  * Returns 0 on success.
4397  */
4398 int
4399 qla2x00_init_rings(scsi_qla_host_t *vha)
4400 {
4401         int     rval;
4402         unsigned long flags = 0;
4403         int cnt, que;
4404         struct qla_hw_data *ha = vha->hw;
4405         struct req_que *req;
4406         struct rsp_que *rsp;
4407         struct mid_init_cb_24xx *mid_init_cb =
4408             (struct mid_init_cb_24xx *) ha->init_cb;
4409
4410         spin_lock_irqsave(&ha->hardware_lock, flags);
4411
4412         /* Clear outstanding commands array. */
4413         for (que = 0; que < ha->max_req_queues; que++) {
4414                 req = ha->req_q_map[que];
4415                 if (!req || !test_bit(que, ha->req_qid_map))
4416                         continue;
4417                 req->out_ptr = (uint16_t *)(req->ring + req->length);
4418                 *req->out_ptr = 0;
4419                 for (cnt = 1; cnt < req->num_outstanding_cmds; cnt++)
4420                         req->outstanding_cmds[cnt] = NULL;
4421
4422                 req->current_outstanding_cmd = 1;
4423
4424                 /* Initialize firmware. */
4425                 req->ring_ptr  = req->ring;
4426                 req->ring_index    = 0;
4427                 req->cnt      = req->length;
4428         }
4429
4430         for (que = 0; que < ha->max_rsp_queues; que++) {
4431                 rsp = ha->rsp_q_map[que];
4432                 if (!rsp || !test_bit(que, ha->rsp_qid_map))
4433                         continue;
4434                 rsp->in_ptr = (uint16_t *)(rsp->ring + rsp->length);
4435                 *rsp->in_ptr = 0;
4436                 /* Initialize response queue entries */
4437                 if (IS_QLAFX00(ha))
4438                         qlafx00_init_response_q_entries(rsp);
4439                 else
4440                         qla2x00_init_response_q_entries(rsp);
4441         }
4442
4443         ha->tgt.atio_ring_ptr = ha->tgt.atio_ring;
4444         ha->tgt.atio_ring_index = 0;
4445         /* Initialize ATIO queue entries */
4446         qlt_init_atio_q_entries(vha);
4447
4448         ha->isp_ops->config_rings(vha);
4449
4450         spin_unlock_irqrestore(&ha->hardware_lock, flags);
4451
4452         if (IS_QLAFX00(ha)) {
4453                 rval = qlafx00_init_firmware(vha, ha->init_cb_size);
4454                 goto next_check;
4455         }
4456
4457         /* Update any ISP specific firmware options before initialization. */
4458         ha->isp_ops->update_fw_options(vha);
4459
4460         ql_dbg(ql_dbg_init, vha, 0x00d1,
4461                "Issue init firmware FW opt 1-3= %08x %08x %08x.\n",
4462                le32_to_cpu(mid_init_cb->init_cb.firmware_options_1),
4463                le32_to_cpu(mid_init_cb->init_cb.firmware_options_2),
4464                le32_to_cpu(mid_init_cb->init_cb.firmware_options_3));
4465
4466         if (ha->flags.npiv_supported) {
4467                 if (ha->operating_mode == LOOP && !IS_CNA_CAPABLE(ha))
4468                         ha->max_npiv_vports = MIN_MULTI_ID_FABRIC - 1;
4469                 mid_init_cb->count = cpu_to_le16(ha->max_npiv_vports);
4470         }
4471
4472         if (IS_FWI2_CAPABLE(ha)) {
4473                 mid_init_cb->options = cpu_to_le16(BIT_1);
4474                 mid_init_cb->init_cb.execution_throttle =
4475                     cpu_to_le16(ha->cur_fw_xcb_count);
4476                 ha->flags.dport_enabled =
4477                         (le32_to_cpu(mid_init_cb->init_cb.firmware_options_1) &
4478                          BIT_7) != 0;
4479                 ql_dbg(ql_dbg_init, vha, 0x0191, "DPORT Support: %s.\n",
4480                     (ha->flags.dport_enabled) ? "enabled" : "disabled");
4481                 /* FA-WWPN Status */
4482                 ha->flags.fawwpn_enabled =
4483                         (le32_to_cpu(mid_init_cb->init_cb.firmware_options_1) &
4484                          BIT_6) != 0;
4485                 ql_dbg(ql_dbg_init, vha, 0x00bc, "FA-WWPN Support: %s.\n",
4486                     (ha->flags.fawwpn_enabled) ? "enabled" : "disabled");
4487         }
4488
4489         /* ELS pass through payload is limit by frame size. */
4490         if (ha->flags.edif_enabled)
4491                 mid_init_cb->init_cb.frame_payload_size = cpu_to_le16(ELS_MAX_PAYLOAD);
4492
4493         rval = qla2x00_init_firmware(vha, ha->init_cb_size);
4494 next_check:
4495         if (rval) {
4496                 ql_log(ql_log_fatal, vha, 0x00d2,
4497                     "Init Firmware **** FAILED ****.\n");
4498         } else {
4499                 ql_dbg(ql_dbg_init, vha, 0x00d3,
4500                     "Init Firmware -- success.\n");
4501                 QLA_FW_STARTED(ha);
4502                 vha->u_ql2xexchoffld = vha->u_ql2xiniexchg = 0;
4503         }
4504
4505         return (rval);
4506 }
4507
4508 /**
4509  * qla2x00_fw_ready() - Waits for firmware ready.
4510  * @vha: HA context
4511  *
4512  * Returns 0 on success.
4513  */
4514 static int
4515 qla2x00_fw_ready(scsi_qla_host_t *vha)
4516 {
4517         int             rval;
4518         unsigned long   wtime, mtime, cs84xx_time;
4519         uint16_t        min_wait;       /* Minimum wait time if loop is down */
4520         uint16_t        wait_time;      /* Wait time if loop is coming ready */
4521         uint16_t        state[6];
4522         struct qla_hw_data *ha = vha->hw;
4523
4524         if (IS_QLAFX00(vha->hw))
4525                 return qlafx00_fw_ready(vha);
4526
4527         /* Time to wait for loop down */
4528         if (IS_P3P_TYPE(ha))
4529                 min_wait = 30;
4530         else
4531                 min_wait = 20;
4532
4533         /*
4534          * Firmware should take at most one RATOV to login, plus 5 seconds for
4535          * our own processing.
4536          */
4537         if ((wait_time = (ha->retry_count*ha->login_timeout) + 5) < min_wait) {
4538                 wait_time = min_wait;
4539         }
4540
4541         /* Min wait time if loop down */
4542         mtime = jiffies + (min_wait * HZ);
4543
4544         /* wait time before firmware ready */
4545         wtime = jiffies + (wait_time * HZ);
4546
4547         /* Wait for ISP to finish LIP */
4548         if (!vha->flags.init_done)
4549                 ql_log(ql_log_info, vha, 0x801e,
4550                     "Waiting for LIP to complete.\n");
4551
4552         do {
4553                 memset(state, -1, sizeof(state));
4554                 rval = qla2x00_get_firmware_state(vha, state);
4555                 if (rval == QLA_SUCCESS) {
4556                         if (state[0] < FSTATE_LOSS_OF_SYNC) {
4557                                 vha->device_flags &= ~DFLG_NO_CABLE;
4558                         }
4559                         if (IS_QLA84XX(ha) && state[0] != FSTATE_READY) {
4560                                 ql_dbg(ql_dbg_taskm, vha, 0x801f,
4561                                     "fw_state=%x 84xx=%x.\n", state[0],
4562                                     state[2]);
4563                                 if ((state[2] & FSTATE_LOGGED_IN) &&
4564                                      (state[2] & FSTATE_WAITING_FOR_VERIFY)) {
4565                                         ql_dbg(ql_dbg_taskm, vha, 0x8028,
4566                                             "Sending verify iocb.\n");
4567
4568                                         cs84xx_time = jiffies;
4569                                         rval = qla84xx_init_chip(vha);
4570                                         if (rval != QLA_SUCCESS) {
4571                                                 ql_log(ql_log_warn,
4572                                                     vha, 0x8007,
4573                                                     "Init chip failed.\n");
4574                                                 break;
4575                                         }
4576
4577                                         /* Add time taken to initialize. */
4578                                         cs84xx_time = jiffies - cs84xx_time;
4579                                         wtime += cs84xx_time;
4580                                         mtime += cs84xx_time;
4581                                         ql_dbg(ql_dbg_taskm, vha, 0x8008,
4582                                             "Increasing wait time by %ld. "
4583                                             "New time %ld.\n", cs84xx_time,
4584                                             wtime);
4585                                 }
4586                         } else if (state[0] == FSTATE_READY) {
4587                                 ql_dbg(ql_dbg_taskm, vha, 0x8037,
4588                                     "F/W Ready - OK.\n");
4589
4590                                 qla2x00_get_retry_cnt(vha, &ha->retry_count,
4591                                     &ha->login_timeout, &ha->r_a_tov);
4592
4593                                 rval = QLA_SUCCESS;
4594                                 break;
4595                         }
4596
4597                         rval = QLA_FUNCTION_FAILED;
4598
4599                         if (atomic_read(&vha->loop_down_timer) &&
4600                             state[0] != FSTATE_READY) {
4601                                 /* Loop down. Timeout on min_wait for states
4602                                  * other than Wait for Login.
4603                                  */
4604                                 if (time_after_eq(jiffies, mtime)) {
4605                                         ql_log(ql_log_info, vha, 0x8038,
4606                                             "Cable is unplugged...\n");
4607
4608                                         vha->device_flags |= DFLG_NO_CABLE;
4609                                         break;
4610                                 }
4611                         }
4612                 } else {
4613                         /* Mailbox cmd failed. Timeout on min_wait. */
4614                         if (time_after_eq(jiffies, mtime) ||
4615                                 ha->flags.isp82xx_fw_hung)
4616                                 break;
4617                 }
4618
4619                 if (time_after_eq(jiffies, wtime))
4620                         break;
4621
4622                 /* Delay for a while */
4623                 msleep(500);
4624         } while (1);
4625
4626         ql_dbg(ql_dbg_taskm, vha, 0x803a,
4627             "fw_state=%x (%x, %x, %x, %x %x) curr time=%lx.\n", state[0],
4628             state[1], state[2], state[3], state[4], state[5], jiffies);
4629
4630         if (rval && !(vha->device_flags & DFLG_NO_CABLE)) {
4631                 ql_log(ql_log_warn, vha, 0x803b,
4632                     "Firmware ready **** FAILED ****.\n");
4633         }
4634
4635         return (rval);
4636 }
4637
4638 /*
4639 *  qla2x00_configure_hba
4640 *      Setup adapter context.
4641 *
4642 * Input:
4643 *      ha = adapter state pointer.
4644 *
4645 * Returns:
4646 *      0 = success
4647 *
4648 * Context:
4649 *      Kernel context.
4650 */
4651 static int
4652 qla2x00_configure_hba(scsi_qla_host_t *vha)
4653 {
4654         int       rval;
4655         uint16_t      loop_id;
4656         uint16_t      topo;
4657         uint16_t      sw_cap;
4658         uint8_t       al_pa;
4659         uint8_t       area;
4660         uint8_t       domain;
4661         char            connect_type[22];
4662         struct qla_hw_data *ha = vha->hw;
4663         scsi_qla_host_t *base_vha = pci_get_drvdata(ha->pdev);
4664         port_id_t id;
4665         unsigned long flags;
4666
4667         /* Get host addresses. */
4668         rval = qla2x00_get_adapter_id(vha,
4669             &loop_id, &al_pa, &area, &domain, &topo, &sw_cap);
4670         if (rval != QLA_SUCCESS) {
4671                 if (LOOP_TRANSITION(vha) || atomic_read(&ha->loop_down_timer) ||
4672                     IS_CNA_CAPABLE(ha) ||
4673                     (rval == QLA_COMMAND_ERROR && loop_id == 0x7)) {
4674                         ql_dbg(ql_dbg_disc, vha, 0x2008,
4675                             "Loop is in a transition state.\n");
4676                 } else {
4677                         ql_log(ql_log_warn, vha, 0x2009,
4678                             "Unable to get host loop ID.\n");
4679                         if (IS_FWI2_CAPABLE(ha) && (vha == base_vha) &&
4680                             (rval == QLA_COMMAND_ERROR && loop_id == 0x1b)) {
4681                                 ql_log(ql_log_warn, vha, 0x1151,
4682                                     "Doing link init.\n");
4683                                 if (qla24xx_link_initialize(vha) == QLA_SUCCESS)
4684                                         return rval;
4685                         }
4686                         set_bit(ISP_ABORT_NEEDED, &vha->dpc_flags);
4687                 }
4688                 return (rval);
4689         }
4690
4691         if (topo == 4) {
4692                 ql_log(ql_log_info, vha, 0x200a,
4693                     "Cannot get topology - retrying.\n");
4694                 return (QLA_FUNCTION_FAILED);
4695         }
4696
4697         vha->loop_id = loop_id;
4698
4699         /* initialize */
4700         ha->min_external_loopid = SNS_FIRST_LOOP_ID;
4701         ha->operating_mode = LOOP;
4702
4703         switch (topo) {
4704         case 0:
4705                 ql_dbg(ql_dbg_disc, vha, 0x200b, "HBA in NL topology.\n");
4706                 ha->switch_cap = 0;
4707                 ha->current_topology = ISP_CFG_NL;
4708                 strcpy(connect_type, "(Loop)");
4709                 break;
4710
4711         case 1:
4712                 ql_dbg(ql_dbg_disc, vha, 0x200c, "HBA in FL topology.\n");
4713                 ha->switch_cap = sw_cap;
4714                 ha->current_topology = ISP_CFG_FL;
4715                 strcpy(connect_type, "(FL_Port)");
4716                 break;
4717
4718         case 2:
4719                 ql_dbg(ql_dbg_disc, vha, 0x200d, "HBA in N P2P topology.\n");
4720                 ha->switch_cap = 0;
4721                 ha->operating_mode = P2P;
4722                 ha->current_topology = ISP_CFG_N;
4723                 strcpy(connect_type, "(N_Port-to-N_Port)");
4724                 break;
4725
4726         case 3:
4727                 ql_dbg(ql_dbg_disc, vha, 0x200e, "HBA in F P2P topology.\n");
4728                 ha->switch_cap = sw_cap;
4729                 ha->operating_mode = P2P;
4730                 ha->current_topology = ISP_CFG_F;
4731                 strcpy(connect_type, "(F_Port)");
4732                 break;
4733
4734         default:
4735                 ql_dbg(ql_dbg_disc, vha, 0x200f,
4736                     "HBA in unknown topology %x, using NL.\n", topo);
4737                 ha->switch_cap = 0;
4738                 ha->current_topology = ISP_CFG_NL;
4739                 strcpy(connect_type, "(Loop)");
4740                 break;
4741         }
4742
4743         /* Save Host port and loop ID. */
4744         /* byte order - Big Endian */
4745         id.b.domain = domain;
4746         id.b.area = area;
4747         id.b.al_pa = al_pa;
4748         id.b.rsvd_1 = 0;
4749         spin_lock_irqsave(&ha->hardware_lock, flags);
4750         if (vha->hw->flags.edif_enabled) {
4751                 if (topo != 2)
4752                         qlt_update_host_map(vha, id);
4753         } else if (!(topo == 2 && ha->flags.n2n_bigger))
4754                 qlt_update_host_map(vha, id);
4755         spin_unlock_irqrestore(&ha->hardware_lock, flags);
4756
4757         if (!vha->flags.init_done)
4758                 ql_log(ql_log_info, vha, 0x2010,
4759                     "Topology - %s, Host Loop address 0x%x.\n",
4760                     connect_type, vha->loop_id);
4761
4762         return(rval);
4763 }
4764
4765 inline void
4766 qla2x00_set_model_info(scsi_qla_host_t *vha, uint8_t *model, size_t len,
4767                        const char *def)
4768 {
4769         char *st, *en;
4770         uint16_t index;
4771         uint64_t zero[2] = { 0 };
4772         struct qla_hw_data *ha = vha->hw;
4773         int use_tbl = !IS_QLA24XX_TYPE(ha) && !IS_QLA25XX(ha) &&
4774             !IS_CNA_CAPABLE(ha) && !IS_QLA2031(ha);
4775
4776         if (len > sizeof(zero))
4777                 len = sizeof(zero);
4778         if (memcmp(model, &zero, len) != 0) {
4779                 memcpy(ha->model_number, model, len);
4780                 st = en = ha->model_number;
4781                 en += len - 1;
4782                 while (en > st) {
4783                         if (*en != 0x20 && *en != 0x00)
4784                                 break;
4785                         *en-- = '\0';
4786                 }
4787
4788                 index = (ha->pdev->subsystem_device & 0xff);
4789                 if (use_tbl &&
4790                     ha->pdev->subsystem_vendor == PCI_VENDOR_ID_QLOGIC &&
4791                     index < QLA_MODEL_NAMES)
4792                         strlcpy(ha->model_desc,
4793                             qla2x00_model_name[index * 2 + 1],
4794                             sizeof(ha->model_desc));
4795         } else {
4796                 index = (ha->pdev->subsystem_device & 0xff);
4797                 if (use_tbl &&
4798                     ha->pdev->subsystem_vendor == PCI_VENDOR_ID_QLOGIC &&
4799                     index < QLA_MODEL_NAMES) {
4800                         strlcpy(ha->model_number,
4801                                 qla2x00_model_name[index * 2],
4802                                 sizeof(ha->model_number));
4803                         strlcpy(ha->model_desc,
4804                             qla2x00_model_name[index * 2 + 1],
4805                             sizeof(ha->model_desc));
4806                 } else {
4807                         strlcpy(ha->model_number, def,
4808                                 sizeof(ha->model_number));
4809                 }
4810         }
4811         if (IS_FWI2_CAPABLE(ha))
4812                 qla2xxx_get_vpd_field(vha, "\x82", ha->model_desc,
4813                     sizeof(ha->model_desc));
4814 }
4815
4816 /* On sparc systems, obtain port and node WWN from firmware
4817  * properties.
4818  */
4819 static void qla2xxx_nvram_wwn_from_ofw(scsi_qla_host_t *vha, nvram_t *nv)
4820 {
4821 #ifdef CONFIG_SPARC
4822         struct qla_hw_data *ha = vha->hw;
4823         struct pci_dev *pdev = ha->pdev;
4824         struct device_node *dp = pci_device_to_OF_node(pdev);
4825         const u8 *val;
4826         int len;
4827
4828         val = of_get_property(dp, "port-wwn", &len);
4829         if (val && len >= WWN_SIZE)
4830                 memcpy(nv->port_name, val, WWN_SIZE);
4831
4832         val = of_get_property(dp, "node-wwn", &len);
4833         if (val && len >= WWN_SIZE)
4834                 memcpy(nv->node_name, val, WWN_SIZE);
4835 #endif
4836 }
4837
4838 /*
4839 * NVRAM configuration for ISP 2xxx
4840 *
4841 * Input:
4842 *      ha                = adapter block pointer.
4843 *
4844 * Output:
4845 *      initialization control block in response_ring
4846 *      host adapters parameters in host adapter block
4847 *
4848 * Returns:
4849 *      0 = success.
4850 */
4851 int
4852 qla2x00_nvram_config(scsi_qla_host_t *vha)
4853 {
4854         int             rval;
4855         uint8_t         chksum = 0;
4856         uint16_t        cnt;
4857         uint8_t         *dptr1, *dptr2;
4858         struct qla_hw_data *ha = vha->hw;
4859         init_cb_t       *icb = ha->init_cb;
4860         nvram_t         *nv = ha->nvram;
4861         uint8_t         *ptr = ha->nvram;
4862         struct device_reg_2xxx __iomem *reg = &ha->iobase->isp;
4863
4864         rval = QLA_SUCCESS;
4865
4866         /* Determine NVRAM starting address. */
4867         ha->nvram_size = sizeof(*nv);
4868         ha->nvram_base = 0;
4869         if (!IS_QLA2100(ha) && !IS_QLA2200(ha) && !IS_QLA2300(ha))
4870                 if ((rd_reg_word(&reg->ctrl_status) >> 14) == 1)
4871                         ha->nvram_base = 0x80;
4872
4873         /* Get NVRAM data and calculate checksum. */
4874         ha->isp_ops->read_nvram(vha, ptr, ha->nvram_base, ha->nvram_size);
4875         for (cnt = 0, chksum = 0; cnt < ha->nvram_size; cnt++)
4876                 chksum += *ptr++;
4877
4878         ql_dbg(ql_dbg_init + ql_dbg_buffer, vha, 0x010f,
4879             "Contents of NVRAM.\n");
4880         ql_dump_buffer(ql_dbg_init + ql_dbg_buffer, vha, 0x0110,
4881             nv, ha->nvram_size);
4882
4883         /* Bad NVRAM data, set defaults parameters. */
4884         if (chksum || memcmp("ISP ", nv->id, sizeof(nv->id)) ||
4885             nv->nvram_version < 1) {
4886                 /* Reset NVRAM data. */
4887                 ql_log(ql_log_warn, vha, 0x0064,
4888                     "Inconsistent NVRAM detected: checksum=%#x id=%.4s version=%#x.\n",
4889                     chksum, nv->id, nv->nvram_version);
4890                 ql_log(ql_log_warn, vha, 0x0065,
4891                     "Falling back to "
4892                     "functioning (yet invalid -- WWPN) defaults.\n");
4893
4894                 /*
4895                  * Set default initialization control block.
4896                  */
4897                 memset(nv, 0, ha->nvram_size);
4898                 nv->parameter_block_version = ICB_VERSION;
4899
4900                 if (IS_QLA23XX(ha)) {
4901                         nv->firmware_options[0] = BIT_2 | BIT_1;
4902                         nv->firmware_options[1] = BIT_7 | BIT_5;
4903                         nv->add_firmware_options[0] = BIT_5;
4904                         nv->add_firmware_options[1] = BIT_5 | BIT_4;
4905                         nv->frame_payload_size = cpu_to_le16(2048);
4906                         nv->special_options[1] = BIT_7;
4907                 } else if (IS_QLA2200(ha)) {
4908                         nv->firmware_options[0] = BIT_2 | BIT_1;
4909                         nv->firmware_options[1] = BIT_7 | BIT_5;
4910                         nv->add_firmware_options[0] = BIT_5;
4911                         nv->add_firmware_options[1] = BIT_5 | BIT_4;
4912                         nv->frame_payload_size = cpu_to_le16(1024);
4913                 } else if (IS_QLA2100(ha)) {
4914                         nv->firmware_options[0] = BIT_3 | BIT_1;
4915                         nv->firmware_options[1] = BIT_5;
4916                         nv->frame_payload_size = cpu_to_le16(1024);
4917                 }
4918
4919                 nv->max_iocb_allocation = cpu_to_le16(256);
4920                 nv->execution_throttle = cpu_to_le16(16);
4921                 nv->retry_count = 8;
4922                 nv->retry_delay = 1;
4923
4924                 nv->port_name[0] = 33;
4925                 nv->port_name[3] = 224;
4926                 nv->port_name[4] = 139;
4927
4928                 qla2xxx_nvram_wwn_from_ofw(vha, nv);
4929
4930                 nv->login_timeout = 4;
4931
4932                 /*
4933                  * Set default host adapter parameters
4934                  */
4935                 nv->host_p[1] = BIT_2;
4936                 nv->reset_delay = 5;
4937                 nv->port_down_retry_count = 8;
4938                 nv->max_luns_per_target = cpu_to_le16(8);
4939                 nv->link_down_timeout = 60;
4940
4941                 rval = 1;
4942         }
4943
4944         /* Reset Initialization control block */
4945         memset(icb, 0, ha->init_cb_size);
4946
4947         /*
4948          * Setup driver NVRAM options.
4949          */
4950         nv->firmware_options[0] |= (BIT_6 | BIT_1);
4951         nv->firmware_options[0] &= ~(BIT_5 | BIT_4);
4952         nv->firmware_options[1] |= (BIT_5 | BIT_0);
4953         nv->firmware_options[1] &= ~BIT_4;
4954
4955         if (IS_QLA23XX(ha)) {
4956                 nv->firmware_options[0] |= BIT_2;
4957                 nv->firmware_options[0] &= ~BIT_3;
4958                 nv->special_options[0] &= ~BIT_6;
4959                 nv->add_firmware_options[1] |= BIT_5 | BIT_4;
4960
4961                 if (IS_QLA2300(ha)) {
4962                         if (ha->fb_rev == FPM_2310) {
4963                                 strcpy(ha->model_number, "QLA2310");
4964                         } else {
4965                                 strcpy(ha->model_number, "QLA2300");
4966                         }
4967                 } else {
4968                         qla2x00_set_model_info(vha, nv->model_number,
4969                             sizeof(nv->model_number), "QLA23xx");
4970                 }
4971         } else if (IS_QLA2200(ha)) {
4972                 nv->firmware_options[0] |= BIT_2;
4973                 /*
4974                  * 'Point-to-point preferred, else loop' is not a safe
4975                  * connection mode setting.
4976                  */
4977                 if ((nv->add_firmware_options[0] & (BIT_6 | BIT_5 | BIT_4)) ==
4978                     (BIT_5 | BIT_4)) {
4979                         /* Force 'loop preferred, else point-to-point'. */
4980                         nv->add_firmware_options[0] &= ~(BIT_6 | BIT_5 | BIT_4);
4981                         nv->add_firmware_options[0] |= BIT_5;
4982                 }
4983                 strcpy(ha->model_number, "QLA22xx");
4984         } else /*if (IS_QLA2100(ha))*/ {
4985                 strcpy(ha->model_number, "QLA2100");
4986         }
4987
4988         /*
4989          * Copy over NVRAM RISC parameter block to initialization control block.
4990          */
4991         dptr1 = (uint8_t *)icb;
4992         dptr2 = (uint8_t *)&nv->parameter_block_version;
4993         cnt = (uint8_t *)&icb->request_q_outpointer - (uint8_t *)&icb->version;
4994         while (cnt--)
4995                 *dptr1++ = *dptr2++;
4996
4997         /* Copy 2nd half. */
4998         dptr1 = (uint8_t *)icb->add_firmware_options;
4999         cnt = (uint8_t *)icb->reserved_3 - (uint8_t *)icb->add_firmware_options;
5000         while (cnt--)
5001                 *dptr1++ = *dptr2++;
5002         ha->frame_payload_size = le16_to_cpu(icb->frame_payload_size);
5003         /* Use alternate WWN? */
5004         if (nv->host_p[1] & BIT_7) {
5005                 memcpy(icb->node_name, nv->alternate_node_name, WWN_SIZE);
5006                 memcpy(icb->port_name, nv->alternate_port_name, WWN_SIZE);
5007         }
5008
5009         /* Prepare nodename */
5010         if ((icb->firmware_options[1] & BIT_6) == 0) {
5011                 /*
5012                  * Firmware will apply the following mask if the nodename was
5013                  * not provided.
5014                  */
5015                 memcpy(icb->node_name, icb->port_name, WWN_SIZE);
5016                 icb->node_name[0] &= 0xF0;
5017         }
5018
5019         /*
5020          * Set host adapter parameters.
5021          */
5022
5023         /*
5024          * BIT_7 in the host-parameters section allows for modification to
5025          * internal driver logging.
5026          */
5027         if (nv->host_p[0] & BIT_7)
5028                 ql2xextended_error_logging = QL_DBG_DEFAULT1_MASK;
5029         ha->flags.disable_risc_code_load = ((nv->host_p[0] & BIT_4) ? 1 : 0);
5030         /* Always load RISC code on non ISP2[12]00 chips. */
5031         if (!IS_QLA2100(ha) && !IS_QLA2200(ha))
5032                 ha->flags.disable_risc_code_load = 0;
5033         ha->flags.enable_lip_reset = ((nv->host_p[1] & BIT_1) ? 1 : 0);
5034         ha->flags.enable_lip_full_login = ((nv->host_p[1] & BIT_2) ? 1 : 0);
5035         ha->flags.enable_target_reset = ((nv->host_p[1] & BIT_3) ? 1 : 0);
5036         ha->flags.enable_led_scheme = (nv->special_options[1] & BIT_4) ? 1 : 0;
5037         ha->flags.disable_serdes = 0;
5038
5039         ha->operating_mode =
5040             (icb->add_firmware_options[0] & (BIT_6 | BIT_5 | BIT_4)) >> 4;
5041
5042         memcpy(ha->fw_seriallink_options, nv->seriallink_options,
5043             sizeof(ha->fw_seriallink_options));
5044
5045         /* save HBA serial number */
5046         ha->serial0 = icb->port_name[5];
5047         ha->serial1 = icb->port_name[6];
5048         ha->serial2 = icb->port_name[7];
5049         memcpy(vha->node_name, icb->node_name, WWN_SIZE);
5050         memcpy(vha->port_name, icb->port_name, WWN_SIZE);
5051
5052         icb->execution_throttle = cpu_to_le16(0xFFFF);
5053
5054         ha->retry_count = nv->retry_count;
5055
5056         /* Set minimum login_timeout to 4 seconds. */
5057         if (nv->login_timeout != ql2xlogintimeout)
5058                 nv->login_timeout = ql2xlogintimeout;
5059         if (nv->login_timeout < 4)
5060                 nv->login_timeout = 4;
5061         ha->login_timeout = nv->login_timeout;
5062
5063         /* Set minimum RATOV to 100 tenths of a second. */
5064         ha->r_a_tov = 100;
5065
5066         ha->loop_reset_delay = nv->reset_delay;
5067
5068         /* Link Down Timeout = 0:
5069          *
5070          *      When Port Down timer expires we will start returning
5071          *      I/O's to OS with "DID_NO_CONNECT".
5072          *
5073          * Link Down Timeout != 0:
5074          *
5075          *       The driver waits for the link to come up after link down
5076          *       before returning I/Os to OS with "DID_NO_CONNECT".
5077          */
5078         if (nv->link_down_timeout == 0) {
5079                 ha->loop_down_abort_time =
5080                     (LOOP_DOWN_TIME - LOOP_DOWN_TIMEOUT);
5081         } else {
5082                 ha->link_down_timeout =  nv->link_down_timeout;
5083                 ha->loop_down_abort_time =
5084                     (LOOP_DOWN_TIME - ha->link_down_timeout);
5085         }
5086
5087         /*
5088          * Need enough time to try and get the port back.
5089          */
5090         ha->port_down_retry_count = nv->port_down_retry_count;
5091         if (qlport_down_retry)
5092                 ha->port_down_retry_count = qlport_down_retry;
5093         /* Set login_retry_count */
5094         ha->login_retry_count  = nv->retry_count;
5095         if (ha->port_down_retry_count == nv->port_down_retry_count &&
5096             ha->port_down_retry_count > 3)
5097                 ha->login_retry_count = ha->port_down_retry_count;
5098         else if (ha->port_down_retry_count > (int)ha->login_retry_count)
5099                 ha->login_retry_count = ha->port_down_retry_count;
5100         if (ql2xloginretrycount)
5101                 ha->login_retry_count = ql2xloginretrycount;
5102
5103         icb->lun_enables = cpu_to_le16(0);
5104         icb->command_resource_count = 0;
5105         icb->immediate_notify_resource_count = 0;
5106         icb->timeout = cpu_to_le16(0);
5107
5108         if (IS_QLA2100(ha) || IS_QLA2200(ha)) {
5109                 /* Enable RIO */
5110                 icb->firmware_options[0] &= ~BIT_3;
5111                 icb->add_firmware_options[0] &=
5112                     ~(BIT_3 | BIT_2 | BIT_1 | BIT_0);
5113                 icb->add_firmware_options[0] |= BIT_2;
5114                 icb->response_accumulation_timer = 3;
5115                 icb->interrupt_delay_timer = 5;
5116
5117                 vha->flags.process_response_queue = 1;
5118         } else {
5119                 /* Enable ZIO. */
5120                 if (!vha->flags.init_done) {
5121                         ha->zio_mode = icb->add_firmware_options[0] &
5122                             (BIT_3 | BIT_2 | BIT_1 | BIT_0);
5123                         ha->zio_timer = icb->interrupt_delay_timer ?
5124                             icb->interrupt_delay_timer : 2;
5125                 }
5126                 icb->add_firmware_options[0] &=
5127                     ~(BIT_3 | BIT_2 | BIT_1 | BIT_0);
5128                 vha->flags.process_response_queue = 0;
5129                 if (ha->zio_mode != QLA_ZIO_DISABLED) {
5130                         ha->zio_mode = QLA_ZIO_MODE_6;
5131
5132                         ql_log(ql_log_info, vha, 0x0068,
5133                             "ZIO mode %d enabled; timer delay (%d us).\n",
5134                             ha->zio_mode, ha->zio_timer * 100);
5135
5136                         icb->add_firmware_options[0] |= (uint8_t)ha->zio_mode;
5137                         icb->interrupt_delay_timer = (uint8_t)ha->zio_timer;
5138                         vha->flags.process_response_queue = 1;
5139                 }
5140         }
5141
5142         if (rval) {
5143                 ql_log(ql_log_warn, vha, 0x0069,
5144                     "NVRAM configuration failed.\n");
5145         }
5146         return (rval);
5147 }
5148
5149 static void
5150 qla2x00_rport_del(void *data)
5151 {
5152         fc_port_t *fcport = data;
5153         struct fc_rport *rport;
5154         unsigned long flags;
5155
5156         spin_lock_irqsave(fcport->vha->host->host_lock, flags);
5157         rport = fcport->drport ? fcport->drport : fcport->rport;
5158         fcport->drport = NULL;
5159         spin_unlock_irqrestore(fcport->vha->host->host_lock, flags);
5160         if (rport) {
5161                 ql_dbg(ql_dbg_disc, fcport->vha, 0x210b,
5162                     "%s %8phN. rport %p roles %x\n",
5163                     __func__, fcport->port_name, rport,
5164                     rport->roles);
5165
5166                 fc_remote_port_delete(rport);
5167         }
5168 }
5169
5170 void qla2x00_set_fcport_state(fc_port_t *fcport, int state)
5171 {
5172         int old_state;
5173
5174         old_state = atomic_read(&fcport->state);
5175         atomic_set(&fcport->state, state);
5176
5177         /* Don't print state transitions during initial allocation of fcport */
5178         if (old_state && old_state != state) {
5179                 ql_dbg(ql_dbg_disc, fcport->vha, 0x207d,
5180                        "FCPort %8phC state transitioned from %s to %s - portid=%02x%02x%02x.\n",
5181                        fcport->port_name, port_state_str[old_state],
5182                        port_state_str[state], fcport->d_id.b.domain,
5183                        fcport->d_id.b.area, fcport->d_id.b.al_pa);
5184         }
5185 }
5186
5187 /**
5188  * qla2x00_alloc_fcport() - Allocate a generic fcport.
5189  * @vha: HA context
5190  * @flags: allocation flags
5191  *
5192  * Returns a pointer to the allocated fcport, or NULL, if none available.
5193  */
5194 fc_port_t *
5195 qla2x00_alloc_fcport(scsi_qla_host_t *vha, gfp_t flags)
5196 {
5197         fc_port_t *fcport;
5198
5199         fcport = kzalloc(sizeof(fc_port_t), flags);
5200         if (!fcport)
5201                 return NULL;
5202
5203         fcport->ct_desc.ct_sns = dma_alloc_coherent(&vha->hw->pdev->dev,
5204                 sizeof(struct ct_sns_pkt), &fcport->ct_desc.ct_sns_dma,
5205                 flags);
5206         if (!fcport->ct_desc.ct_sns) {
5207                 ql_log(ql_log_warn, vha, 0xd049,
5208                     "Failed to allocate ct_sns request.\n");
5209                 kfree(fcport);
5210                 return NULL;
5211         }
5212
5213         /* Setup fcport template structure. */
5214         fcport->vha = vha;
5215         fcport->port_type = FCT_UNKNOWN;
5216         fcport->loop_id = FC_NO_LOOP_ID;
5217         qla2x00_set_fcport_state(fcport, FCS_UNCONFIGURED);
5218         fcport->supported_classes = FC_COS_UNSPECIFIED;
5219         fcport->fp_speed = PORT_SPEED_UNKNOWN;
5220
5221         fcport->disc_state = DSC_DELETED;
5222         fcport->fw_login_state = DSC_LS_PORT_UNAVAIL;
5223         fcport->deleted = QLA_SESS_DELETED;
5224         fcport->login_retry = vha->hw->login_retry_count;
5225         fcport->chip_reset = vha->hw->base_qpair->chip_reset;
5226         fcport->logout_on_delete = 1;
5227         fcport->tgt_link_down_time = QLA2XX_MAX_LINK_DOWN_TIME;
5228         fcport->tgt_short_link_down_cnt = 0;
5229         fcport->dev_loss_tmo = 0;
5230
5231         if (!fcport->ct_desc.ct_sns) {
5232                 ql_log(ql_log_warn, vha, 0xd049,
5233                     "Failed to allocate ct_sns request.\n");
5234                 kfree(fcport);
5235                 return NULL;
5236         }
5237
5238         INIT_WORK(&fcport->del_work, qla24xx_delete_sess_fn);
5239         INIT_WORK(&fcport->free_work, qlt_free_session_done);
5240         INIT_WORK(&fcport->reg_work, qla_register_fcport_fn);
5241         INIT_LIST_HEAD(&fcport->gnl_entry);
5242         INIT_LIST_HEAD(&fcport->list);
5243
5244         INIT_LIST_HEAD(&fcport->sess_cmd_list);
5245         spin_lock_init(&fcport->sess_cmd_lock);
5246
5247         spin_lock_init(&fcport->edif.sa_list_lock);
5248         INIT_LIST_HEAD(&fcport->edif.tx_sa_list);
5249         INIT_LIST_HEAD(&fcport->edif.rx_sa_list);
5250
5251         if (vha->e_dbell.db_flags == EDB_ACTIVE)
5252                 fcport->edif.app_started = 1;
5253
5254         spin_lock_init(&fcport->edif.indx_list_lock);
5255         INIT_LIST_HEAD(&fcport->edif.edif_indx_list);
5256
5257         return fcport;
5258 }
5259
5260 void
5261 qla2x00_free_fcport(fc_port_t *fcport)
5262 {
5263         if (fcport->ct_desc.ct_sns) {
5264                 dma_free_coherent(&fcport->vha->hw->pdev->dev,
5265                         sizeof(struct ct_sns_pkt), fcport->ct_desc.ct_sns,
5266                         fcport->ct_desc.ct_sns_dma);
5267
5268                 fcport->ct_desc.ct_sns = NULL;
5269         }
5270
5271         qla_edif_flush_sa_ctl_lists(fcport);
5272         list_del(&fcport->list);
5273         qla2x00_clear_loop_id(fcport);
5274
5275         qla_edif_list_del(fcport);
5276
5277         kfree(fcport);
5278 }
5279
5280 static void qla_get_login_template(scsi_qla_host_t *vha)
5281 {
5282         struct qla_hw_data *ha = vha->hw;
5283         int rval;
5284         u32 *bp, sz;
5285         __be32 *q;
5286
5287         memset(ha->init_cb, 0, ha->init_cb_size);
5288         sz = min_t(int, sizeof(struct fc_els_flogi), ha->init_cb_size);
5289         rval = qla24xx_get_port_login_templ(vha, ha->init_cb_dma,
5290                                             ha->init_cb, sz);
5291         if (rval != QLA_SUCCESS) {
5292                 ql_dbg(ql_dbg_init, vha, 0x00d1,
5293                        "PLOGI ELS param read fail.\n");
5294                 return;
5295         }
5296         q = (__be32 *)&ha->plogi_els_payld.fl_csp;
5297
5298         bp = (uint32_t *)ha->init_cb;
5299         cpu_to_be32_array(q, bp, sz / 4);
5300         ha->flags.plogi_template_valid = 1;
5301 }
5302
5303 /*
5304  * qla2x00_configure_loop
5305  *      Updates Fibre Channel Device Database with what is actually on loop.
5306  *
5307  * Input:
5308  *      ha                = adapter block pointer.
5309  *
5310  * Returns:
5311  *      0 = success.
5312  *      1 = error.
5313  *      2 = database was full and device was not configured.
5314  */
5315 static int
5316 qla2x00_configure_loop(scsi_qla_host_t *vha)
5317 {
5318         int  rval;
5319         unsigned long flags, save_flags;
5320         struct qla_hw_data *ha = vha->hw;
5321
5322         rval = QLA_SUCCESS;
5323
5324         /* Get Initiator ID */
5325         if (test_bit(LOCAL_LOOP_UPDATE, &vha->dpc_flags)) {
5326                 rval = qla2x00_configure_hba(vha);
5327                 if (rval != QLA_SUCCESS) {
5328                         ql_dbg(ql_dbg_disc, vha, 0x2013,
5329                             "Unable to configure HBA.\n");
5330                         return (rval);
5331                 }
5332         }
5333
5334         save_flags = flags = vha->dpc_flags;
5335         ql_dbg(ql_dbg_disc, vha, 0x2014,
5336             "Configure loop -- dpc flags = 0x%lx.\n", flags);
5337
5338         /*
5339          * If we have both an RSCN and PORT UPDATE pending then handle them
5340          * both at the same time.
5341          */
5342         clear_bit(LOCAL_LOOP_UPDATE, &vha->dpc_flags);
5343         clear_bit(RSCN_UPDATE, &vha->dpc_flags);
5344
5345         qla2x00_get_data_rate(vha);
5346         qla_get_login_template(vha);
5347
5348         /* Determine what we need to do */
5349         if ((ha->current_topology == ISP_CFG_FL ||
5350             ha->current_topology == ISP_CFG_F) &&
5351             (test_bit(LOCAL_LOOP_UPDATE, &flags))) {
5352
5353                 set_bit(RSCN_UPDATE, &flags);
5354                 clear_bit(LOCAL_LOOP_UPDATE, &flags);
5355
5356         } else if (ha->current_topology == ISP_CFG_NL ||
5357                    ha->current_topology == ISP_CFG_N) {
5358                 clear_bit(RSCN_UPDATE, &flags);
5359                 set_bit(LOCAL_LOOP_UPDATE, &flags);
5360         } else if (!vha->flags.online ||
5361             (test_bit(ABORT_ISP_ACTIVE, &flags))) {
5362                 set_bit(RSCN_UPDATE, &flags);
5363                 set_bit(LOCAL_LOOP_UPDATE, &flags);
5364         }
5365
5366         if (test_bit(LOCAL_LOOP_UPDATE, &flags)) {
5367                 if (test_bit(LOOP_RESYNC_NEEDED, &vha->dpc_flags)) {
5368                         ql_dbg(ql_dbg_disc, vha, 0x2015,
5369                             "Loop resync needed, failing.\n");
5370                         rval = QLA_FUNCTION_FAILED;
5371                 } else
5372                         rval = qla2x00_configure_local_loop(vha);
5373         }
5374
5375         if (rval == QLA_SUCCESS && test_bit(RSCN_UPDATE, &flags)) {
5376                 if (LOOP_TRANSITION(vha)) {
5377                         ql_dbg(ql_dbg_disc, vha, 0x2099,
5378                             "Needs RSCN update and loop transition.\n");
5379                         rval = QLA_FUNCTION_FAILED;
5380                 }
5381                 else
5382                         rval = qla2x00_configure_fabric(vha);
5383         }
5384
5385         if (rval == QLA_SUCCESS) {
5386                 if (atomic_read(&vha->loop_down_timer) ||
5387                     test_bit(LOOP_RESYNC_NEEDED, &vha->dpc_flags)) {
5388                         rval = QLA_FUNCTION_FAILED;
5389                 } else {
5390                         atomic_set(&vha->loop_state, LOOP_READY);
5391                         ql_dbg(ql_dbg_disc, vha, 0x2069,
5392                             "LOOP READY.\n");
5393                         ha->flags.fw_init_done = 1;
5394
5395                         /*
5396                          * use link up to wake up app to get ready for
5397                          * authentication.
5398                          */
5399                         if (ha->flags.edif_enabled && DBELL_INACTIVE(vha))
5400                                 qla2x00_post_aen_work(vha, FCH_EVT_LINKUP,
5401                                                       ha->link_data_rate);
5402
5403                         /*
5404                          * Process any ATIO queue entries that came in
5405                          * while we weren't online.
5406                          */
5407                         if (qla_tgt_mode_enabled(vha) ||
5408                             qla_dual_mode_enabled(vha)) {
5409                                 spin_lock_irqsave(&ha->tgt.atio_lock, flags);
5410                                 qlt_24xx_process_atio_queue(vha, 0);
5411                                 spin_unlock_irqrestore(&ha->tgt.atio_lock,
5412                                     flags);
5413                         }
5414                 }
5415         }
5416
5417         if (rval) {
5418                 ql_dbg(ql_dbg_disc, vha, 0x206a,
5419                     "%s *** FAILED ***.\n", __func__);
5420         } else {
5421                 ql_dbg(ql_dbg_disc, vha, 0x206b,
5422                     "%s: exiting normally. local port wwpn %8phN id %06x)\n",
5423                     __func__, vha->port_name, vha->d_id.b24);
5424         }
5425
5426         /* Restore state if a resync event occurred during processing */
5427         if (test_bit(LOOP_RESYNC_NEEDED, &vha->dpc_flags)) {
5428                 if (test_bit(LOCAL_LOOP_UPDATE, &save_flags))
5429                         set_bit(LOCAL_LOOP_UPDATE, &vha->dpc_flags);
5430                 if (test_bit(RSCN_UPDATE, &save_flags)) {
5431                         set_bit(RSCN_UPDATE, &vha->dpc_flags);
5432                 }
5433         }
5434
5435         return (rval);
5436 }
5437
5438 static int qla2x00_configure_n2n_loop(scsi_qla_host_t *vha)
5439 {
5440         unsigned long flags;
5441         fc_port_t *fcport;
5442
5443         ql_dbg(ql_dbg_disc, vha, 0x206a, "%s %d.\n", __func__, __LINE__);
5444
5445         if (test_and_clear_bit(N2N_LOGIN_NEEDED, &vha->dpc_flags))
5446                 set_bit(RELOGIN_NEEDED, &vha->dpc_flags);
5447
5448         list_for_each_entry(fcport, &vha->vp_fcports, list) {
5449                 if (fcport->n2n_flag) {
5450                         qla24xx_fcport_handle_login(vha, fcport);
5451                         return QLA_SUCCESS;
5452                 }
5453         }
5454
5455         spin_lock_irqsave(&vha->work_lock, flags);
5456         vha->scan.scan_retry++;
5457         spin_unlock_irqrestore(&vha->work_lock, flags);
5458
5459         if (vha->scan.scan_retry < MAX_SCAN_RETRIES) {
5460                 set_bit(LOCAL_LOOP_UPDATE, &vha->dpc_flags);
5461                 set_bit(LOOP_RESYNC_NEEDED, &vha->dpc_flags);
5462         }
5463         return QLA_FUNCTION_FAILED;
5464 }
5465
5466 /*
5467  * qla2x00_configure_local_loop
5468  *      Updates Fibre Channel Device Database with local loop devices.
5469  *
5470  * Input:
5471  *      ha = adapter block pointer.
5472  *
5473  * Returns:
5474  *      0 = success.
5475  */
5476 static int
5477 qla2x00_configure_local_loop(scsi_qla_host_t *vha)
5478 {
5479         int             rval, rval2;
5480         int             found_devs;
5481         int             found;
5482         fc_port_t       *fcport, *new_fcport;
5483         uint16_t        index;
5484         uint16_t        entries;
5485         struct gid_list_info *gid;
5486         uint16_t        loop_id;
5487         uint8_t         domain, area, al_pa;
5488         struct qla_hw_data *ha = vha->hw;
5489         unsigned long flags;
5490
5491         /* Inititae N2N login. */
5492         if (N2N_TOPO(ha))
5493                 return qla2x00_configure_n2n_loop(vha);
5494
5495         found_devs = 0;
5496         new_fcport = NULL;
5497         entries = MAX_FIBRE_DEVICES_LOOP;
5498
5499         /* Get list of logged in devices. */
5500         memset(ha->gid_list, 0, qla2x00_gid_list_size(ha));
5501         rval = qla2x00_get_id_list(vha, ha->gid_list, ha->gid_list_dma,
5502             &entries);
5503         if (rval != QLA_SUCCESS)
5504                 goto err;
5505
5506         ql_dbg(ql_dbg_disc, vha, 0x2011,
5507             "Entries in ID list (%d).\n", entries);
5508         ql_dump_buffer(ql_dbg_disc + ql_dbg_buffer, vha, 0x2075,
5509             ha->gid_list, entries * sizeof(*ha->gid_list));
5510
5511         if (entries == 0) {
5512                 spin_lock_irqsave(&vha->work_lock, flags);
5513                 vha->scan.scan_retry++;
5514                 spin_unlock_irqrestore(&vha->work_lock, flags);
5515
5516                 if (vha->scan.scan_retry < MAX_SCAN_RETRIES) {
5517                         set_bit(LOCAL_LOOP_UPDATE, &vha->dpc_flags);
5518                         set_bit(LOOP_RESYNC_NEEDED, &vha->dpc_flags);
5519                 }
5520         } else {
5521                 vha->scan.scan_retry = 0;
5522         }
5523
5524         list_for_each_entry(fcport, &vha->vp_fcports, list) {
5525                 fcport->scan_state = QLA_FCPORT_SCAN;
5526         }
5527
5528         /* Allocate temporary fcport for any new fcports discovered. */
5529         new_fcport = qla2x00_alloc_fcport(vha, GFP_KERNEL);
5530         if (new_fcport == NULL) {
5531                 ql_log(ql_log_warn, vha, 0x2012,
5532                     "Memory allocation failed for fcport.\n");
5533                 rval = QLA_MEMORY_ALLOC_FAILED;
5534                 goto err;
5535         }
5536         new_fcport->flags &= ~FCF_FABRIC_DEVICE;
5537
5538         /* Add devices to port list. */
5539         gid = ha->gid_list;
5540         for (index = 0; index < entries; index++) {
5541                 domain = gid->domain;
5542                 area = gid->area;
5543                 al_pa = gid->al_pa;
5544                 if (IS_QLA2100(ha) || IS_QLA2200(ha))
5545                         loop_id = gid->loop_id_2100;
5546                 else
5547                         loop_id = le16_to_cpu(gid->loop_id);
5548                 gid = (void *)gid + ha->gid_list_info_size;
5549
5550                 /* Bypass reserved domain fields. */
5551                 if ((domain & 0xf0) == 0xf0)
5552                         continue;
5553
5554                 /* Bypass if not same domain and area of adapter. */
5555                 if (area && domain && ((area != vha->d_id.b.area) ||
5556                     (domain != vha->d_id.b.domain)) &&
5557                     (ha->current_topology == ISP_CFG_NL))
5558                         continue;
5559
5560
5561                 /* Bypass invalid local loop ID. */
5562                 if (loop_id > LAST_LOCAL_LOOP_ID)
5563                         continue;
5564
5565                 memset(new_fcport->port_name, 0, WWN_SIZE);
5566
5567                 /* Fill in member data. */
5568                 new_fcport->d_id.b.domain = domain;
5569                 new_fcport->d_id.b.area = area;
5570                 new_fcport->d_id.b.al_pa = al_pa;
5571                 new_fcport->loop_id = loop_id;
5572                 new_fcport->scan_state = QLA_FCPORT_FOUND;
5573
5574                 rval2 = qla2x00_get_port_database(vha, new_fcport, 0);
5575                 if (rval2 != QLA_SUCCESS) {
5576                         ql_dbg(ql_dbg_disc, vha, 0x2097,
5577                             "Failed to retrieve fcport information "
5578                             "-- get_port_database=%x, loop_id=0x%04x.\n",
5579                             rval2, new_fcport->loop_id);
5580                         /* Skip retry if N2N */
5581                         if (ha->current_topology != ISP_CFG_N) {
5582                                 ql_dbg(ql_dbg_disc, vha, 0x2105,
5583                                     "Scheduling resync.\n");
5584                                 set_bit(LOOP_RESYNC_NEEDED, &vha->dpc_flags);
5585                                 continue;
5586                         }
5587                 }
5588
5589                 spin_lock_irqsave(&vha->hw->tgt.sess_lock, flags);
5590                 /* Check for matching device in port list. */
5591                 found = 0;
5592                 fcport = NULL;
5593                 list_for_each_entry(fcport, &vha->vp_fcports, list) {
5594                         if (memcmp(new_fcport->port_name, fcport->port_name,
5595                             WWN_SIZE))
5596                                 continue;
5597
5598                         fcport->flags &= ~FCF_FABRIC_DEVICE;
5599                         fcport->loop_id = new_fcport->loop_id;
5600                         fcport->port_type = new_fcport->port_type;
5601                         fcport->d_id.b24 = new_fcport->d_id.b24;
5602                         memcpy(fcport->node_name, new_fcport->node_name,
5603                             WWN_SIZE);
5604                         fcport->scan_state = QLA_FCPORT_FOUND;
5605                         found++;
5606                         break;
5607                 }
5608
5609                 if (!found) {
5610                         /* New device, add to fcports list. */
5611                         list_add_tail(&new_fcport->list, &vha->vp_fcports);
5612
5613                         /* Allocate a new replacement fcport. */
5614                         fcport = new_fcport;
5615
5616                         spin_unlock_irqrestore(&vha->hw->tgt.sess_lock, flags);
5617
5618                         new_fcport = qla2x00_alloc_fcport(vha, GFP_KERNEL);
5619
5620                         if (new_fcport == NULL) {
5621                                 ql_log(ql_log_warn, vha, 0xd031,
5622                                     "Failed to allocate memory for fcport.\n");
5623                                 rval = QLA_MEMORY_ALLOC_FAILED;
5624                                 goto err;
5625                         }
5626                         spin_lock_irqsave(&vha->hw->tgt.sess_lock, flags);
5627                         new_fcport->flags &= ~FCF_FABRIC_DEVICE;
5628                 }
5629
5630                 spin_unlock_irqrestore(&vha->hw->tgt.sess_lock, flags);
5631
5632                 /* Base iIDMA settings on HBA port speed. */
5633                 fcport->fp_speed = ha->link_data_rate;
5634
5635                 found_devs++;
5636         }
5637
5638         list_for_each_entry(fcport, &vha->vp_fcports, list) {
5639                 if (test_bit(LOOP_RESYNC_NEEDED, &vha->dpc_flags))
5640                         break;
5641
5642                 if (fcport->scan_state == QLA_FCPORT_SCAN) {
5643                         if ((qla_dual_mode_enabled(vha) ||
5644                             qla_ini_mode_enabled(vha)) &&
5645                             atomic_read(&fcport->state) == FCS_ONLINE) {
5646                                 qla2x00_mark_device_lost(vha, fcport,
5647                                         ql2xplogiabsentdevice);
5648                                 if (fcport->loop_id != FC_NO_LOOP_ID &&
5649                                     (fcport->flags & FCF_FCP2_DEVICE) == 0 &&
5650                                     fcport->port_type != FCT_INITIATOR &&
5651                                     fcport->port_type != FCT_BROADCAST) {
5652                                         ql_dbg(ql_dbg_disc, vha, 0x20f0,
5653                                             "%s %d %8phC post del sess\n",
5654                                             __func__, __LINE__,
5655                                             fcport->port_name);
5656
5657                                         qlt_schedule_sess_for_deletion(fcport);
5658                                         continue;
5659                                 }
5660                         }
5661                 }
5662
5663                 if (fcport->scan_state == QLA_FCPORT_FOUND)
5664                         qla24xx_fcport_handle_login(vha, fcport);
5665         }
5666
5667         qla2x00_free_fcport(new_fcport);
5668
5669         return rval;
5670
5671 err:
5672         ql_dbg(ql_dbg_disc, vha, 0x2098,
5673                "Configure local loop error exit: rval=%x.\n", rval);
5674         return rval;
5675 }
5676
5677 static void
5678 qla2x00_iidma_fcport(scsi_qla_host_t *vha, fc_port_t *fcport)
5679 {
5680         int rval;
5681         uint16_t mb[MAILBOX_REGISTER_COUNT];
5682         struct qla_hw_data *ha = vha->hw;
5683
5684         if (!IS_IIDMA_CAPABLE(ha))
5685                 return;
5686
5687         if (atomic_read(&fcport->state) != FCS_ONLINE)
5688                 return;
5689
5690         if (fcport->fp_speed == PORT_SPEED_UNKNOWN ||
5691             fcport->fp_speed > ha->link_data_rate ||
5692             !ha->flags.gpsc_supported)
5693                 return;
5694
5695         rval = qla2x00_set_idma_speed(vha, fcport->loop_id, fcport->fp_speed,
5696             mb);
5697         if (rval != QLA_SUCCESS) {
5698                 ql_dbg(ql_dbg_disc, vha, 0x2004,
5699                     "Unable to adjust iIDMA %8phN -- %04x %x %04x %04x.\n",
5700                     fcport->port_name, rval, fcport->fp_speed, mb[0], mb[1]);
5701         } else {
5702                 ql_dbg(ql_dbg_disc, vha, 0x2005,
5703                     "iIDMA adjusted to %s GB/s (%X) on %8phN.\n",
5704                     qla2x00_get_link_speed_str(ha, fcport->fp_speed),
5705                     fcport->fp_speed, fcport->port_name);
5706         }
5707 }
5708
5709 void qla_do_iidma_work(struct scsi_qla_host *vha, fc_port_t *fcport)
5710 {
5711         qla2x00_iidma_fcport(vha, fcport);
5712         qla24xx_update_fcport_fcp_prio(vha, fcport);
5713 }
5714
5715 int qla_post_iidma_work(struct scsi_qla_host *vha, fc_port_t *fcport)
5716 {
5717         struct qla_work_evt *e;
5718
5719         e = qla2x00_alloc_work(vha, QLA_EVT_IIDMA);
5720         if (!e)
5721                 return QLA_FUNCTION_FAILED;
5722
5723         e->u.fcport.fcport = fcport;
5724         return qla2x00_post_work(vha, e);
5725 }
5726
5727 /* qla2x00_reg_remote_port is reserved for Initiator Mode only.*/
5728 static void
5729 qla2x00_reg_remote_port(scsi_qla_host_t *vha, fc_port_t *fcport)
5730 {
5731         struct fc_rport_identifiers rport_ids;
5732         struct fc_rport *rport;
5733         unsigned long flags;
5734
5735         if (atomic_read(&fcport->state) == FCS_ONLINE)
5736                 return;
5737
5738         rport_ids.node_name = wwn_to_u64(fcport->node_name);
5739         rport_ids.port_name = wwn_to_u64(fcport->port_name);
5740         rport_ids.port_id = fcport->d_id.b.domain << 16 |
5741             fcport->d_id.b.area << 8 | fcport->d_id.b.al_pa;
5742         rport_ids.roles = FC_RPORT_ROLE_UNKNOWN;
5743         fcport->rport = rport = fc_remote_port_add(vha->host, 0, &rport_ids);
5744         if (!rport) {
5745                 ql_log(ql_log_warn, vha, 0x2006,
5746                     "Unable to allocate fc remote port.\n");
5747                 return;
5748         }
5749
5750         spin_lock_irqsave(fcport->vha->host->host_lock, flags);
5751         *((fc_port_t **)rport->dd_data) = fcport;
5752         spin_unlock_irqrestore(fcport->vha->host->host_lock, flags);
5753         fcport->dev_loss_tmo = rport->dev_loss_tmo;
5754
5755         rport->supported_classes = fcport->supported_classes;
5756
5757         rport_ids.roles = FC_PORT_ROLE_UNKNOWN;
5758         if (fcport->port_type == FCT_INITIATOR)
5759                 rport_ids.roles |= FC_PORT_ROLE_FCP_INITIATOR;
5760         if (fcport->port_type == FCT_TARGET)
5761                 rport_ids.roles |= FC_PORT_ROLE_FCP_TARGET;
5762         if (fcport->port_type & FCT_NVME_INITIATOR)
5763                 rport_ids.roles |= FC_PORT_ROLE_NVME_INITIATOR;
5764         if (fcport->port_type & FCT_NVME_TARGET)
5765                 rport_ids.roles |= FC_PORT_ROLE_NVME_TARGET;
5766         if (fcport->port_type & FCT_NVME_DISCOVERY)
5767                 rport_ids.roles |= FC_PORT_ROLE_NVME_DISCOVERY;
5768
5769         fc_remote_port_rolechg(rport, rport_ids.roles);
5770
5771         ql_dbg(ql_dbg_disc, vha, 0x20ee,
5772             "%s: %8phN. rport %ld:0:%d (%p) is %s mode\n",
5773             __func__, fcport->port_name, vha->host_no,
5774             rport->scsi_target_id, rport,
5775             (fcport->port_type == FCT_TARGET) ? "tgt" :
5776             ((fcport->port_type & FCT_NVME) ? "nvme" : "ini"));
5777 }
5778
5779 /*
5780  * qla2x00_update_fcport
5781  *      Updates device on list.
5782  *
5783  * Input:
5784  *      ha = adapter block pointer.
5785  *      fcport = port structure pointer.
5786  *
5787  * Return:
5788  *      0  - Success
5789  *  BIT_0 - error
5790  *
5791  * Context:
5792  *      Kernel context.
5793  */
5794 void
5795 qla2x00_update_fcport(scsi_qla_host_t *vha, fc_port_t *fcport)
5796 {
5797         if (IS_SW_RESV_ADDR(fcport->d_id))
5798                 return;
5799
5800         ql_dbg(ql_dbg_disc, vha, 0x20ef, "%s %8phC\n",
5801             __func__, fcport->port_name);
5802
5803         qla2x00_set_fcport_disc_state(fcport, DSC_UPD_FCPORT);
5804         fcport->login_retry = vha->hw->login_retry_count;
5805         fcport->flags &= ~(FCF_LOGIN_NEEDED | FCF_ASYNC_SENT);
5806         fcport->deleted = 0;
5807         if (vha->hw->current_topology == ISP_CFG_NL)
5808                 fcport->logout_on_delete = 0;
5809         else
5810                 fcport->logout_on_delete = 1;
5811         fcport->n2n_chip_reset = fcport->n2n_link_reset_cnt = 0;
5812
5813         if (fcport->tgt_link_down_time < fcport->dev_loss_tmo) {
5814                 fcport->tgt_short_link_down_cnt++;
5815                 fcport->tgt_link_down_time = QLA2XX_MAX_LINK_DOWN_TIME;
5816         }
5817
5818         switch (vha->hw->current_topology) {
5819         case ISP_CFG_N:
5820         case ISP_CFG_NL:
5821                 fcport->keep_nport_handle = 1;
5822                 break;
5823         default:
5824                 break;
5825         }
5826
5827         qla2x00_iidma_fcport(vha, fcport);
5828
5829         qla2x00_dfs_create_rport(vha, fcport);
5830
5831         if (NVME_TARGET(vha->hw, fcport)) {
5832                 qla_nvme_register_remote(vha, fcport);
5833                 qla2x00_set_fcport_disc_state(fcport, DSC_LOGIN_COMPLETE);
5834                 qla2x00_set_fcport_state(fcport, FCS_ONLINE);
5835                 return;
5836         }
5837
5838         qla24xx_update_fcport_fcp_prio(vha, fcport);
5839
5840         switch (vha->host->active_mode) {
5841         case MODE_INITIATOR:
5842                 qla2x00_reg_remote_port(vha, fcport);
5843                 break;
5844         case MODE_TARGET:
5845                 if (!vha->vha_tgt.qla_tgt->tgt_stop &&
5846                         !vha->vha_tgt.qla_tgt->tgt_stopped)
5847                         qlt_fc_port_added(vha, fcport);
5848                 break;
5849         case MODE_DUAL:
5850                 qla2x00_reg_remote_port(vha, fcport);
5851                 if (!vha->vha_tgt.qla_tgt->tgt_stop &&
5852                         !vha->vha_tgt.qla_tgt->tgt_stopped)
5853                         qlt_fc_port_added(vha, fcport);
5854                 break;
5855         default:
5856                 break;
5857         }
5858
5859         qla2x00_set_fcport_state(fcport, FCS_ONLINE);
5860
5861         if (IS_IIDMA_CAPABLE(vha->hw) && vha->hw->flags.gpsc_supported) {
5862                 if (fcport->id_changed) {
5863                         fcport->id_changed = 0;
5864                         ql_dbg(ql_dbg_disc, vha, 0x20d7,
5865                             "%s %d %8phC post gfpnid fcp_cnt %d\n",
5866                             __func__, __LINE__, fcport->port_name,
5867                             vha->fcport_count);
5868                         qla24xx_post_gfpnid_work(vha, fcport);
5869                 } else {
5870                         ql_dbg(ql_dbg_disc, vha, 0x20d7,
5871                             "%s %d %8phC post gpsc fcp_cnt %d\n",
5872                             __func__, __LINE__, fcport->port_name,
5873                             vha->fcport_count);
5874                         qla24xx_post_gpsc_work(vha, fcport);
5875                 }
5876         }
5877
5878         qla2x00_set_fcport_disc_state(fcport, DSC_LOGIN_COMPLETE);
5879 }
5880
5881 void qla_register_fcport_fn(struct work_struct *work)
5882 {
5883         fc_port_t *fcport = container_of(work, struct fc_port, reg_work);
5884         u32 rscn_gen = fcport->rscn_gen;
5885         u16 data[2];
5886
5887         if (IS_SW_RESV_ADDR(fcport->d_id))
5888                 return;
5889
5890         qla2x00_update_fcport(fcport->vha, fcport);
5891
5892         ql_dbg(ql_dbg_disc, fcport->vha, 0x911e,
5893                "%s rscn gen %d/%d next DS %d\n", __func__,
5894                rscn_gen, fcport->rscn_gen, fcport->next_disc_state);
5895
5896         if (rscn_gen != fcport->rscn_gen) {
5897                 /* RSCN(s) came in while registration */
5898                 switch (fcport->next_disc_state) {
5899                 case DSC_DELETE_PEND:
5900                         qlt_schedule_sess_for_deletion(fcport);
5901                         break;
5902                 case DSC_ADISC:
5903                         data[0] = data[1] = 0;
5904                         qla2x00_post_async_adisc_work(fcport->vha, fcport,
5905                             data);
5906                         break;
5907                 default:
5908                         break;
5909                 }
5910         }
5911 }
5912
5913 /*
5914  * qla2x00_configure_fabric
5915  *      Setup SNS devices with loop ID's.
5916  *
5917  * Input:
5918  *      ha = adapter block pointer.
5919  *
5920  * Returns:
5921  *      0 = success.
5922  *      BIT_0 = error
5923  */
5924 static int
5925 qla2x00_configure_fabric(scsi_qla_host_t *vha)
5926 {
5927         int     rval;
5928         fc_port_t       *fcport;
5929         uint16_t        mb[MAILBOX_REGISTER_COUNT];
5930         uint16_t        loop_id;
5931         LIST_HEAD(new_fcports);
5932         struct qla_hw_data *ha = vha->hw;
5933         int             discovery_gen;
5934
5935         /* If FL port exists, then SNS is present */
5936         if (IS_FWI2_CAPABLE(ha))
5937                 loop_id = NPH_F_PORT;
5938         else
5939                 loop_id = SNS_FL_PORT;
5940         rval = qla2x00_get_port_name(vha, loop_id, vha->fabric_node_name, 1);
5941         if (rval != QLA_SUCCESS) {
5942                 ql_dbg(ql_dbg_disc, vha, 0x20a0,
5943                     "MBX_GET_PORT_NAME failed, No FL Port.\n");
5944
5945                 vha->device_flags &= ~SWITCH_FOUND;
5946                 return (QLA_SUCCESS);
5947         }
5948         vha->device_flags |= SWITCH_FOUND;
5949
5950         rval = qla2x00_get_port_name(vha, loop_id, vha->fabric_port_name, 0);
5951         if (rval != QLA_SUCCESS)
5952                 ql_dbg(ql_dbg_disc, vha, 0x20ff,
5953                     "Failed to get Fabric Port Name\n");
5954
5955         if (qla_tgt_mode_enabled(vha) || qla_dual_mode_enabled(vha)) {
5956                 rval = qla2x00_send_change_request(vha, 0x3, 0);
5957                 if (rval != QLA_SUCCESS)
5958                         ql_log(ql_log_warn, vha, 0x121,
5959                             "Failed to enable receiving of RSCN requests: 0x%x.\n",
5960                             rval);
5961         }
5962
5963         do {
5964                 qla2x00_mgmt_svr_login(vha);
5965
5966                 /* Ensure we are logged into the SNS. */
5967                 loop_id = NPH_SNS_LID(ha);
5968                 rval = ha->isp_ops->fabric_login(vha, loop_id, 0xff, 0xff,
5969                     0xfc, mb, BIT_1|BIT_0);
5970                 if (rval != QLA_SUCCESS || mb[0] != MBS_COMMAND_COMPLETE) {
5971                         ql_dbg(ql_dbg_disc, vha, 0x20a1,
5972                             "Failed SNS login: loop_id=%x mb[0]=%x mb[1]=%x mb[2]=%x mb[6]=%x mb[7]=%x (%x).\n",
5973                             loop_id, mb[0], mb[1], mb[2], mb[6], mb[7], rval);
5974                         set_bit(LOOP_RESYNC_NEEDED, &vha->dpc_flags);
5975                         return rval;
5976                 }
5977
5978                 /* FDMI support. */
5979                 if (ql2xfdmienable &&
5980                     test_and_clear_bit(REGISTER_FDMI_NEEDED, &vha->dpc_flags))
5981                         qla2x00_fdmi_register(vha);
5982
5983                 if (test_and_clear_bit(REGISTER_FC4_NEEDED, &vha->dpc_flags)) {
5984                         if (qla2x00_rft_id(vha)) {
5985                                 /* EMPTY */
5986                                 ql_dbg(ql_dbg_disc, vha, 0x20a2,
5987                                     "Register FC-4 TYPE failed.\n");
5988                                 if (test_bit(LOOP_RESYNC_NEEDED,
5989                                     &vha->dpc_flags))
5990                                         break;
5991                         }
5992                         if (qla2x00_rff_id(vha, FC4_TYPE_FCP_SCSI)) {
5993                                 /* EMPTY */
5994                                 ql_dbg(ql_dbg_disc, vha, 0x209a,
5995                                     "Register FC-4 Features failed.\n");
5996                                 if (test_bit(LOOP_RESYNC_NEEDED,
5997                                     &vha->dpc_flags))
5998                                         break;
5999                         }
6000                         if (vha->flags.nvme_enabled) {
6001                                 if (qla2x00_rff_id(vha, FC_TYPE_NVME)) {
6002                                         ql_dbg(ql_dbg_disc, vha, 0x2049,
6003                                             "Register NVME FC Type Features failed.\n");
6004                                 }
6005                         }
6006                         if (qla2x00_rnn_id(vha)) {
6007                                 /* EMPTY */
6008                                 ql_dbg(ql_dbg_disc, vha, 0x2104,
6009                                     "Register Node Name failed.\n");
6010                                 if (test_bit(LOOP_RESYNC_NEEDED,
6011                                     &vha->dpc_flags))
6012                                         break;
6013                         } else if (qla2x00_rsnn_nn(vha)) {
6014                                 /* EMPTY */
6015                                 ql_dbg(ql_dbg_disc, vha, 0x209b,
6016                                     "Register Symbolic Node Name failed.\n");
6017                                 if (test_bit(LOOP_RESYNC_NEEDED, &vha->dpc_flags))
6018                                         break;
6019                         }
6020                 }
6021
6022
6023                 /* Mark the time right before querying FW for connected ports.
6024                  * This process is long, asynchronous and by the time it's done,
6025                  * collected information might not be accurate anymore. E.g.
6026                  * disconnected port might have re-connected and a brand new
6027                  * session has been created. In this case session's generation
6028                  * will be newer than discovery_gen. */
6029                 qlt_do_generation_tick(vha, &discovery_gen);
6030
6031                 if (USE_ASYNC_SCAN(ha)) {
6032                         rval = qla24xx_async_gpnft(vha, FC4_TYPE_FCP_SCSI,
6033                             NULL);
6034                         if (rval)
6035                                 set_bit(LOOP_RESYNC_NEEDED, &vha->dpc_flags);
6036                 } else  {
6037                         list_for_each_entry(fcport, &vha->vp_fcports, list)
6038                                 fcport->scan_state = QLA_FCPORT_SCAN;
6039
6040                         rval = qla2x00_find_all_fabric_devs(vha);
6041                 }
6042                 if (rval != QLA_SUCCESS)
6043                         break;
6044         } while (0);
6045
6046         if (!vha->nvme_local_port && vha->flags.nvme_enabled)
6047                 qla_nvme_register_hba(vha);
6048
6049         if (rval)
6050                 ql_dbg(ql_dbg_disc, vha, 0x2068,
6051                     "Configure fabric error exit rval=%d.\n", rval);
6052
6053         return (rval);
6054 }
6055
6056 /*
6057  * qla2x00_find_all_fabric_devs
6058  *
6059  * Input:
6060  *      ha = adapter block pointer.
6061  *      dev = database device entry pointer.
6062  *
6063  * Returns:
6064  *      0 = success.
6065  *
6066  * Context:
6067  *      Kernel context.
6068  */
6069 static int
6070 qla2x00_find_all_fabric_devs(scsi_qla_host_t *vha)
6071 {
6072         int             rval;
6073         uint16_t        loop_id;
6074         fc_port_t       *fcport, *new_fcport;
6075         int             found;
6076
6077         sw_info_t       *swl;
6078         int             swl_idx;
6079         int             first_dev, last_dev;
6080         port_id_t       wrap = {}, nxt_d_id;
6081         struct qla_hw_data *ha = vha->hw;
6082         struct scsi_qla_host *base_vha = pci_get_drvdata(ha->pdev);
6083         unsigned long flags;
6084
6085         rval = QLA_SUCCESS;
6086
6087         /* Try GID_PT to get device list, else GAN. */
6088         if (!ha->swl)
6089                 ha->swl = kcalloc(ha->max_fibre_devices, sizeof(sw_info_t),
6090                     GFP_KERNEL);
6091         swl = ha->swl;
6092         if (!swl) {
6093                 /*EMPTY*/
6094                 ql_dbg(ql_dbg_disc, vha, 0x209c,
6095                     "GID_PT allocations failed, fallback on GA_NXT.\n");
6096         } else {
6097                 memset(swl, 0, ha->max_fibre_devices * sizeof(sw_info_t));
6098                 if (qla2x00_gid_pt(vha, swl) != QLA_SUCCESS) {
6099                         swl = NULL;
6100                         if (test_bit(LOOP_RESYNC_NEEDED, &vha->dpc_flags))
6101                                 return rval;
6102                 } else if (qla2x00_gpn_id(vha, swl) != QLA_SUCCESS) {
6103                         swl = NULL;
6104                         if (test_bit(LOOP_RESYNC_NEEDED, &vha->dpc_flags))
6105                                 return rval;
6106                 } else if (qla2x00_gnn_id(vha, swl) != QLA_SUCCESS) {
6107                         swl = NULL;
6108                         if (test_bit(LOOP_RESYNC_NEEDED, &vha->dpc_flags))
6109                                 return rval;
6110                 } else if (qla2x00_gfpn_id(vha, swl) != QLA_SUCCESS) {
6111                         swl = NULL;
6112                         if (test_bit(LOOP_RESYNC_NEEDED, &vha->dpc_flags))
6113                                 return rval;
6114                 }
6115
6116                 /* If other queries succeeded probe for FC-4 type */
6117                 if (swl) {
6118                         qla2x00_gff_id(vha, swl);
6119                         if (test_bit(LOOP_RESYNC_NEEDED, &vha->dpc_flags))
6120                                 return rval;
6121                 }
6122         }
6123         swl_idx = 0;
6124
6125         /* Allocate temporary fcport for any new fcports discovered. */
6126         new_fcport = qla2x00_alloc_fcport(vha, GFP_KERNEL);
6127         if (new_fcport == NULL) {
6128                 ql_log(ql_log_warn, vha, 0x209d,
6129                     "Failed to allocate memory for fcport.\n");
6130                 return (QLA_MEMORY_ALLOC_FAILED);
6131         }
6132         new_fcport->flags |= (FCF_FABRIC_DEVICE | FCF_LOGIN_NEEDED);
6133         /* Set start port ID scan at adapter ID. */
6134         first_dev = 1;
6135         last_dev = 0;
6136
6137         /* Starting free loop ID. */
6138         loop_id = ha->min_external_loopid;
6139         for (; loop_id <= ha->max_loop_id; loop_id++) {
6140                 if (qla2x00_is_reserved_id(vha, loop_id))
6141                         continue;
6142
6143                 if (ha->current_topology == ISP_CFG_FL &&
6144                     (atomic_read(&vha->loop_down_timer) ||
6145                      LOOP_TRANSITION(vha))) {
6146                         atomic_set(&vha->loop_down_timer, 0);
6147                         set_bit(LOOP_RESYNC_NEEDED, &vha->dpc_flags);
6148                         set_bit(LOCAL_LOOP_UPDATE, &vha->dpc_flags);
6149                         break;
6150                 }
6151
6152                 if (swl != NULL) {
6153                         if (last_dev) {
6154                                 wrap.b24 = new_fcport->d_id.b24;
6155                         } else {
6156                                 new_fcport->d_id.b24 = swl[swl_idx].d_id.b24;
6157                                 memcpy(new_fcport->node_name,
6158                                     swl[swl_idx].node_name, WWN_SIZE);
6159                                 memcpy(new_fcport->port_name,
6160                                     swl[swl_idx].port_name, WWN_SIZE);
6161                                 memcpy(new_fcport->fabric_port_name,
6162                                     swl[swl_idx].fabric_port_name, WWN_SIZE);
6163                                 new_fcport->fp_speed = swl[swl_idx].fp_speed;
6164                                 new_fcport->fc4_type = swl[swl_idx].fc4_type;
6165
6166                                 new_fcport->nvme_flag = 0;
6167                                 if (vha->flags.nvme_enabled &&
6168                                     swl[swl_idx].fc4_type & FS_FC4TYPE_NVME) {
6169                                         ql_log(ql_log_info, vha, 0x2131,
6170                                             "FOUND: NVME port %8phC as FC Type 28h\n",
6171                                             new_fcport->port_name);
6172                                 }
6173
6174                                 if (swl[swl_idx].d_id.b.rsvd_1 != 0) {
6175                                         last_dev = 1;
6176                                 }
6177                                 swl_idx++;
6178                         }
6179                 } else {
6180                         /* Send GA_NXT to the switch */
6181                         rval = qla2x00_ga_nxt(vha, new_fcport);
6182                         if (rval != QLA_SUCCESS) {
6183                                 ql_log(ql_log_warn, vha, 0x209e,
6184                                     "SNS scan failed -- assuming "
6185                                     "zero-entry result.\n");
6186                                 rval = QLA_SUCCESS;
6187                                 break;
6188                         }
6189                 }
6190
6191                 /* If wrap on switch device list, exit. */
6192                 if (first_dev) {
6193                         wrap.b24 = new_fcport->d_id.b24;
6194                         first_dev = 0;
6195                 } else if (new_fcport->d_id.b24 == wrap.b24) {
6196                         ql_dbg(ql_dbg_disc, vha, 0x209f,
6197                             "Device wrap (%02x%02x%02x).\n",
6198                             new_fcport->d_id.b.domain,
6199                             new_fcport->d_id.b.area,
6200                             new_fcport->d_id.b.al_pa);
6201                         break;
6202                 }
6203
6204                 /* Bypass if same physical adapter. */
6205                 if (new_fcport->d_id.b24 == base_vha->d_id.b24)
6206                         continue;
6207
6208                 /* Bypass virtual ports of the same host. */
6209                 if (qla2x00_is_a_vp_did(vha, new_fcport->d_id.b24))
6210                         continue;
6211
6212                 /* Bypass if same domain and area of adapter. */
6213                 if (((new_fcport->d_id.b24 & 0xffff00) ==
6214                     (vha->d_id.b24 & 0xffff00)) && ha->current_topology ==
6215                         ISP_CFG_FL)
6216                             continue;
6217
6218                 /* Bypass reserved domain fields. */
6219                 if ((new_fcport->d_id.b.domain & 0xf0) == 0xf0)
6220                         continue;
6221
6222                 /* Bypass ports whose FCP-4 type is not FCP_SCSI */
6223                 if (ql2xgffidenable &&
6224                     (!(new_fcport->fc4_type & FS_FC4TYPE_FCP) &&
6225                     new_fcport->fc4_type != 0))
6226                         continue;
6227
6228                 spin_lock_irqsave(&vha->hw->tgt.sess_lock, flags);
6229
6230                 /* Locate matching device in database. */
6231                 found = 0;
6232                 list_for_each_entry(fcport, &vha->vp_fcports, list) {
6233                         if (memcmp(new_fcport->port_name, fcport->port_name,
6234                             WWN_SIZE))
6235                                 continue;
6236
6237                         fcport->scan_state = QLA_FCPORT_FOUND;
6238
6239                         found++;
6240
6241                         /* Update port state. */
6242                         memcpy(fcport->fabric_port_name,
6243                             new_fcport->fabric_port_name, WWN_SIZE);
6244                         fcport->fp_speed = new_fcport->fp_speed;
6245
6246                         /*
6247                          * If address the same and state FCS_ONLINE
6248                          * (or in target mode), nothing changed.
6249                          */
6250                         if (fcport->d_id.b24 == new_fcport->d_id.b24 &&
6251                             (atomic_read(&fcport->state) == FCS_ONLINE ||
6252                              (vha->host->active_mode == MODE_TARGET))) {
6253                                 break;
6254                         }
6255
6256                         if (fcport->login_retry == 0)
6257                                 fcport->login_retry =
6258                                         vha->hw->login_retry_count;
6259                         /*
6260                          * If device was not a fabric device before.
6261                          */
6262                         if ((fcport->flags & FCF_FABRIC_DEVICE) == 0) {
6263                                 fcport->d_id.b24 = new_fcport->d_id.b24;
6264                                 qla2x00_clear_loop_id(fcport);
6265                                 fcport->flags |= (FCF_FABRIC_DEVICE |
6266                                     FCF_LOGIN_NEEDED);
6267                                 break;
6268                         }
6269
6270                         /*
6271                          * Port ID changed or device was marked to be updated;
6272                          * Log it out if still logged in and mark it for
6273                          * relogin later.
6274                          */
6275                         if (qla_tgt_mode_enabled(base_vha)) {
6276                                 ql_dbg(ql_dbg_tgt_mgt, vha, 0xf080,
6277                                          "port changed FC ID, %8phC"
6278                                          " old %x:%x:%x (loop_id 0x%04x)-> new %x:%x:%x\n",
6279                                          fcport->port_name,
6280                                          fcport->d_id.b.domain,
6281                                          fcport->d_id.b.area,
6282                                          fcport->d_id.b.al_pa,
6283                                          fcport->loop_id,
6284                                          new_fcport->d_id.b.domain,
6285                                          new_fcport->d_id.b.area,
6286                                          new_fcport->d_id.b.al_pa);
6287                                 fcport->d_id.b24 = new_fcport->d_id.b24;
6288                                 break;
6289                         }
6290
6291                         fcport->d_id.b24 = new_fcport->d_id.b24;
6292                         fcport->flags |= FCF_LOGIN_NEEDED;
6293                         break;
6294                 }
6295
6296                 if (found && NVME_TARGET(vha->hw, fcport)) {
6297                         if (fcport->disc_state == DSC_DELETE_PEND) {
6298                                 qla2x00_set_fcport_disc_state(fcport, DSC_GNL);
6299                                 vha->fcport_count--;
6300                                 fcport->login_succ = 0;
6301                         }
6302                 }
6303
6304                 if (found) {
6305                         spin_unlock_irqrestore(&vha->hw->tgt.sess_lock, flags);
6306                         continue;
6307                 }
6308                 /* If device was not in our fcports list, then add it. */
6309                 new_fcport->scan_state = QLA_FCPORT_FOUND;
6310                 list_add_tail(&new_fcport->list, &vha->vp_fcports);
6311
6312                 spin_unlock_irqrestore(&vha->hw->tgt.sess_lock, flags);
6313
6314
6315                 /* Allocate a new replacement fcport. */
6316                 nxt_d_id.b24 = new_fcport->d_id.b24;
6317                 new_fcport = qla2x00_alloc_fcport(vha, GFP_KERNEL);
6318                 if (new_fcport == NULL) {
6319                         ql_log(ql_log_warn, vha, 0xd032,
6320                             "Memory allocation failed for fcport.\n");
6321                         return (QLA_MEMORY_ALLOC_FAILED);
6322                 }
6323                 new_fcport->flags |= (FCF_FABRIC_DEVICE | FCF_LOGIN_NEEDED);
6324                 new_fcport->d_id.b24 = nxt_d_id.b24;
6325         }
6326
6327         qla2x00_free_fcport(new_fcport);
6328
6329         /*
6330          * Logout all previous fabric dev marked lost, except FCP2 devices.
6331          */
6332         list_for_each_entry(fcport, &vha->vp_fcports, list) {
6333                 if (test_bit(LOOP_RESYNC_NEEDED, &vha->dpc_flags))
6334                         break;
6335
6336                 if ((fcport->flags & FCF_FABRIC_DEVICE) == 0)
6337                         continue;
6338
6339                 if (fcport->scan_state == QLA_FCPORT_SCAN) {
6340                         if ((qla_dual_mode_enabled(vha) ||
6341                             qla_ini_mode_enabled(vha)) &&
6342                             atomic_read(&fcport->state) == FCS_ONLINE) {
6343                                 qla2x00_mark_device_lost(vha, fcport,
6344                                         ql2xplogiabsentdevice);
6345                                 if (fcport->loop_id != FC_NO_LOOP_ID &&
6346                                     (fcport->flags & FCF_FCP2_DEVICE) == 0 &&
6347                                     fcport->port_type != FCT_INITIATOR &&
6348                                     fcport->port_type != FCT_BROADCAST) {
6349                                         ql_dbg(ql_dbg_disc, vha, 0x20f0,
6350                                             "%s %d %8phC post del sess\n",
6351                                             __func__, __LINE__,
6352                                             fcport->port_name);
6353                                         qlt_schedule_sess_for_deletion(fcport);
6354                                         continue;
6355                                 }
6356                         }
6357                 }
6358
6359                 if (fcport->scan_state == QLA_FCPORT_FOUND &&
6360                     (fcport->flags & FCF_LOGIN_NEEDED) != 0)
6361                         qla24xx_fcport_handle_login(vha, fcport);
6362         }
6363         return (rval);
6364 }
6365
6366 /* FW does not set aside Loop id for MGMT Server/FFFFFAh */
6367 int
6368 qla2x00_reserve_mgmt_server_loop_id(scsi_qla_host_t *vha)
6369 {
6370         int loop_id = FC_NO_LOOP_ID;
6371         int lid = NPH_MGMT_SERVER - vha->vp_idx;
6372         unsigned long flags;
6373         struct qla_hw_data *ha = vha->hw;
6374
6375         if (vha->vp_idx == 0) {
6376                 set_bit(NPH_MGMT_SERVER, ha->loop_id_map);
6377                 return NPH_MGMT_SERVER;
6378         }
6379
6380         /* pick id from high and work down to low */
6381         spin_lock_irqsave(&ha->vport_slock, flags);
6382         for (; lid > 0; lid--) {
6383                 if (!test_bit(lid, vha->hw->loop_id_map)) {
6384                         set_bit(lid, vha->hw->loop_id_map);
6385                         loop_id = lid;
6386                         break;
6387                 }
6388         }
6389         spin_unlock_irqrestore(&ha->vport_slock, flags);
6390
6391         return loop_id;
6392 }
6393
6394 /*
6395  * qla2x00_fabric_login
6396  *      Issue fabric login command.
6397  *
6398  * Input:
6399  *      ha = adapter block pointer.
6400  *      device = pointer to FC device type structure.
6401  *
6402  * Returns:
6403  *      0 - Login successfully
6404  *      1 - Login failed
6405  *      2 - Initiator device
6406  *      3 - Fatal error
6407  */
6408 int
6409 qla2x00_fabric_login(scsi_qla_host_t *vha, fc_port_t *fcport,
6410     uint16_t *next_loopid)
6411 {
6412         int     rval;
6413         int     retry;
6414         uint16_t tmp_loopid;
6415         uint16_t mb[MAILBOX_REGISTER_COUNT];
6416         struct qla_hw_data *ha = vha->hw;
6417
6418         retry = 0;
6419         tmp_loopid = 0;
6420
6421         for (;;) {
6422                 ql_dbg(ql_dbg_disc, vha, 0x2000,
6423                     "Trying Fabric Login w/loop id 0x%04x for port "
6424                     "%02x%02x%02x.\n",
6425                     fcport->loop_id, fcport->d_id.b.domain,
6426                     fcport->d_id.b.area, fcport->d_id.b.al_pa);
6427
6428                 /* Login fcport on switch. */
6429                 rval = ha->isp_ops->fabric_login(vha, fcport->loop_id,
6430                     fcport->d_id.b.domain, fcport->d_id.b.area,
6431                     fcport->d_id.b.al_pa, mb, BIT_0);
6432                 if (rval != QLA_SUCCESS) {
6433                         return rval;
6434                 }
6435                 if (mb[0] == MBS_PORT_ID_USED) {
6436                         /*
6437                          * Device has another loop ID.  The firmware team
6438                          * recommends the driver perform an implicit login with
6439                          * the specified ID again. The ID we just used is save
6440                          * here so we return with an ID that can be tried by
6441                          * the next login.
6442                          */
6443                         retry++;
6444                         tmp_loopid = fcport->loop_id;
6445                         fcport->loop_id = mb[1];
6446
6447                         ql_dbg(ql_dbg_disc, vha, 0x2001,
6448                             "Fabric Login: port in use - next loop "
6449                             "id=0x%04x, port id= %02x%02x%02x.\n",
6450                             fcport->loop_id, fcport->d_id.b.domain,
6451                             fcport->d_id.b.area, fcport->d_id.b.al_pa);
6452
6453                 } else if (mb[0] == MBS_COMMAND_COMPLETE) {
6454                         /*
6455                          * Login succeeded.
6456                          */
6457                         if (retry) {
6458                                 /* A retry occurred before. */
6459                                 *next_loopid = tmp_loopid;
6460                         } else {
6461                                 /*
6462                                  * No retry occurred before. Just increment the
6463                                  * ID value for next login.
6464                                  */
6465                                 *next_loopid = (fcport->loop_id + 1);
6466                         }
6467
6468                         if (mb[1] & BIT_0) {
6469                                 fcport->port_type = FCT_INITIATOR;
6470                         } else {
6471                                 fcport->port_type = FCT_TARGET;
6472                                 if (mb[1] & BIT_1) {
6473                                         fcport->flags |= FCF_FCP2_DEVICE;
6474                                 }
6475                         }
6476
6477                         if (mb[10] & BIT_0)
6478                                 fcport->supported_classes |= FC_COS_CLASS2;
6479                         if (mb[10] & BIT_1)
6480                                 fcport->supported_classes |= FC_COS_CLASS3;
6481
6482                         if (IS_FWI2_CAPABLE(ha)) {
6483                                 if (mb[10] & BIT_7)
6484                                         fcport->flags |=
6485                                             FCF_CONF_COMP_SUPPORTED;
6486                         }
6487
6488                         rval = QLA_SUCCESS;
6489                         break;
6490                 } else if (mb[0] == MBS_LOOP_ID_USED) {
6491                         /*
6492                          * Loop ID already used, try next loop ID.
6493                          */
6494                         fcport->loop_id++;
6495                         rval = qla2x00_find_new_loop_id(vha, fcport);
6496                         if (rval != QLA_SUCCESS) {
6497                                 /* Ran out of loop IDs to use */
6498                                 break;
6499                         }
6500                 } else if (mb[0] == MBS_COMMAND_ERROR) {
6501                         /*
6502                          * Firmware possibly timed out during login. If NO
6503                          * retries are left to do then the device is declared
6504                          * dead.
6505                          */
6506                         *next_loopid = fcport->loop_id;
6507                         ha->isp_ops->fabric_logout(vha, fcport->loop_id,
6508                             fcport->d_id.b.domain, fcport->d_id.b.area,
6509                             fcport->d_id.b.al_pa);
6510                         qla2x00_mark_device_lost(vha, fcport, 1);
6511
6512                         rval = 1;
6513                         break;
6514                 } else {
6515                         /*
6516                          * unrecoverable / not handled error
6517                          */
6518                         ql_dbg(ql_dbg_disc, vha, 0x2002,
6519                             "Failed=%x port_id=%02x%02x%02x loop_id=%x "
6520                             "jiffies=%lx.\n", mb[0], fcport->d_id.b.domain,
6521                             fcport->d_id.b.area, fcport->d_id.b.al_pa,
6522                             fcport->loop_id, jiffies);
6523
6524                         *next_loopid = fcport->loop_id;
6525                         ha->isp_ops->fabric_logout(vha, fcport->loop_id,
6526                             fcport->d_id.b.domain, fcport->d_id.b.area,
6527                             fcport->d_id.b.al_pa);
6528                         qla2x00_clear_loop_id(fcport);
6529                         fcport->login_retry = 0;
6530
6531                         rval = 3;
6532                         break;
6533                 }
6534         }
6535
6536         return (rval);
6537 }
6538
6539 /*
6540  * qla2x00_local_device_login
6541  *      Issue local device login command.
6542  *
6543  * Input:
6544  *      ha = adapter block pointer.
6545  *      loop_id = loop id of device to login to.
6546  *
6547  * Returns (Where's the #define!!!!):
6548  *      0 - Login successfully
6549  *      1 - Login failed
6550  *      3 - Fatal error
6551  */
6552 int
6553 qla2x00_local_device_login(scsi_qla_host_t *vha, fc_port_t *fcport)
6554 {
6555         int             rval;
6556         uint16_t        mb[MAILBOX_REGISTER_COUNT];
6557
6558         memset(mb, 0, sizeof(mb));
6559         rval = qla2x00_login_local_device(vha, fcport, mb, BIT_0);
6560         if (rval == QLA_SUCCESS) {
6561                 /* Interrogate mailbox registers for any errors */
6562                 if (mb[0] == MBS_COMMAND_ERROR)
6563                         rval = 1;
6564                 else if (mb[0] == MBS_COMMAND_PARAMETER_ERROR)
6565                         /* device not in PCB table */
6566                         rval = 3;
6567         }
6568
6569         return (rval);
6570 }
6571
6572 /*
6573  *  qla2x00_loop_resync
6574  *      Resync with fibre channel devices.
6575  *
6576  * Input:
6577  *      ha = adapter block pointer.
6578  *
6579  * Returns:
6580  *      0 = success
6581  */
6582 int
6583 qla2x00_loop_resync(scsi_qla_host_t *vha)
6584 {
6585         int rval = QLA_SUCCESS;
6586         uint32_t wait_time;
6587
6588         clear_bit(ISP_ABORT_RETRY, &vha->dpc_flags);
6589         if (vha->flags.online) {
6590                 if (!(rval = qla2x00_fw_ready(vha))) {
6591                         /* Wait at most MAX_TARGET RSCNs for a stable link. */
6592                         wait_time = 256;
6593                         do {
6594                                 if (!IS_QLAFX00(vha->hw)) {
6595                                         /*
6596                                          * Issue a marker after FW becomes
6597                                          * ready.
6598                                          */
6599                                         qla2x00_marker(vha, vha->hw->base_qpair,
6600                                             0, 0, MK_SYNC_ALL);
6601                                         vha->marker_needed = 0;
6602                                 }
6603
6604                                 /* Remap devices on Loop. */
6605                                 clear_bit(LOOP_RESYNC_NEEDED, &vha->dpc_flags);
6606
6607                                 if (IS_QLAFX00(vha->hw))
6608                                         qlafx00_configure_devices(vha);
6609                                 else
6610                                         qla2x00_configure_loop(vha);
6611
6612                                 wait_time--;
6613                         } while (!atomic_read(&vha->loop_down_timer) &&
6614                                 !(test_bit(ISP_ABORT_NEEDED, &vha->dpc_flags))
6615                                 && wait_time && (test_bit(LOOP_RESYNC_NEEDED,
6616                                 &vha->dpc_flags)));
6617                 }
6618         }
6619
6620         if (test_bit(ISP_ABORT_NEEDED, &vha->dpc_flags))
6621                 return (QLA_FUNCTION_FAILED);
6622
6623         if (rval)
6624                 ql_dbg(ql_dbg_disc, vha, 0x206c,
6625                     "%s *** FAILED ***.\n", __func__);
6626
6627         return (rval);
6628 }
6629
6630 /*
6631 * qla2x00_perform_loop_resync
6632 * Description: This function will set the appropriate flags and call
6633 *              qla2x00_loop_resync. If successful loop will be resynced
6634 * Arguments : scsi_qla_host_t pointer
6635 * returm    : Success or Failure
6636 */
6637
6638 int qla2x00_perform_loop_resync(scsi_qla_host_t *ha)
6639 {
6640         int32_t rval = 0;
6641
6642         if (!test_and_set_bit(LOOP_RESYNC_ACTIVE, &ha->dpc_flags)) {
6643                 /*Configure the flags so that resync happens properly*/
6644                 atomic_set(&ha->loop_down_timer, 0);
6645                 if (!(ha->device_flags & DFLG_NO_CABLE)) {
6646                         atomic_set(&ha->loop_state, LOOP_UP);
6647                         set_bit(LOCAL_LOOP_UPDATE, &ha->dpc_flags);
6648                         set_bit(REGISTER_FC4_NEEDED, &ha->dpc_flags);
6649                         set_bit(LOOP_RESYNC_NEEDED, &ha->dpc_flags);
6650
6651                         rval = qla2x00_loop_resync(ha);
6652                 } else
6653                         atomic_set(&ha->loop_state, LOOP_DEAD);
6654
6655                 clear_bit(LOOP_RESYNC_ACTIVE, &ha->dpc_flags);
6656         }
6657
6658         return rval;
6659 }
6660
6661 void
6662 qla2x00_update_fcports(scsi_qla_host_t *base_vha)
6663 {
6664         fc_port_t *fcport;
6665         struct scsi_qla_host *vha, *tvp;
6666         struct qla_hw_data *ha = base_vha->hw;
6667         unsigned long flags;
6668
6669         spin_lock_irqsave(&ha->vport_slock, flags);
6670         /* Go with deferred removal of rport references. */
6671         list_for_each_entry_safe(vha, tvp, &base_vha->hw->vp_list, list) {
6672                 atomic_inc(&vha->vref_count);
6673                 list_for_each_entry(fcport, &vha->vp_fcports, list) {
6674                         if (fcport->drport &&
6675                             atomic_read(&fcport->state) != FCS_UNCONFIGURED) {
6676                                 spin_unlock_irqrestore(&ha->vport_slock, flags);
6677                                 qla2x00_rport_del(fcport);
6678
6679                                 spin_lock_irqsave(&ha->vport_slock, flags);
6680                         }
6681                 }
6682                 atomic_dec(&vha->vref_count);
6683                 wake_up(&vha->vref_waitq);
6684         }
6685         spin_unlock_irqrestore(&ha->vport_slock, flags);
6686 }
6687
6688 /* Assumes idc_lock always held on entry */
6689 void
6690 qla83xx_reset_ownership(scsi_qla_host_t *vha)
6691 {
6692         struct qla_hw_data *ha = vha->hw;
6693         uint32_t drv_presence, drv_presence_mask;
6694         uint32_t dev_part_info1, dev_part_info2, class_type;
6695         uint32_t class_type_mask = 0x3;
6696         uint16_t fcoe_other_function = 0xffff, i;
6697
6698         if (IS_QLA8044(ha)) {
6699                 drv_presence = qla8044_rd_direct(vha,
6700                     QLA8044_CRB_DRV_ACTIVE_INDEX);
6701                 dev_part_info1 = qla8044_rd_direct(vha,
6702                     QLA8044_CRB_DEV_PART_INFO_INDEX);
6703                 dev_part_info2 = qla8044_rd_direct(vha,
6704                     QLA8044_CRB_DEV_PART_INFO2);
6705         } else {
6706                 qla83xx_rd_reg(vha, QLA83XX_IDC_DRV_PRESENCE, &drv_presence);
6707                 qla83xx_rd_reg(vha, QLA83XX_DEV_PARTINFO1, &dev_part_info1);
6708                 qla83xx_rd_reg(vha, QLA83XX_DEV_PARTINFO2, &dev_part_info2);
6709         }
6710         for (i = 0; i < 8; i++) {
6711                 class_type = ((dev_part_info1 >> (i * 4)) & class_type_mask);
6712                 if ((class_type == QLA83XX_CLASS_TYPE_FCOE) &&
6713                     (i != ha->portnum)) {
6714                         fcoe_other_function = i;
6715                         break;
6716                 }
6717         }
6718         if (fcoe_other_function == 0xffff) {
6719                 for (i = 0; i < 8; i++) {
6720                         class_type = ((dev_part_info2 >> (i * 4)) &
6721                             class_type_mask);
6722                         if ((class_type == QLA83XX_CLASS_TYPE_FCOE) &&
6723                             ((i + 8) != ha->portnum)) {
6724                                 fcoe_other_function = i + 8;
6725                                 break;
6726                         }
6727                 }
6728         }
6729         /*
6730          * Prepare drv-presence mask based on fcoe functions present.
6731          * However consider only valid physical fcoe function numbers (0-15).
6732          */
6733         drv_presence_mask = ~((1 << (ha->portnum)) |
6734                         ((fcoe_other_function == 0xffff) ?
6735                          0 : (1 << (fcoe_other_function))));
6736
6737         /* We are the reset owner iff:
6738          *    - No other protocol drivers present.
6739          *    - This is the lowest among fcoe functions. */
6740         if (!(drv_presence & drv_presence_mask) &&
6741                         (ha->portnum < fcoe_other_function)) {
6742                 ql_dbg(ql_dbg_p3p, vha, 0xb07f,
6743                     "This host is Reset owner.\n");
6744                 ha->flags.nic_core_reset_owner = 1;
6745         }
6746 }
6747
6748 static int
6749 __qla83xx_set_drv_ack(scsi_qla_host_t *vha)
6750 {
6751         int rval = QLA_SUCCESS;
6752         struct qla_hw_data *ha = vha->hw;
6753         uint32_t drv_ack;
6754
6755         rval = qla83xx_rd_reg(vha, QLA83XX_IDC_DRIVER_ACK, &drv_ack);
6756         if (rval == QLA_SUCCESS) {
6757                 drv_ack |= (1 << ha->portnum);
6758                 rval = qla83xx_wr_reg(vha, QLA83XX_IDC_DRIVER_ACK, drv_ack);
6759         }
6760
6761         return rval;
6762 }
6763
6764 static int
6765 __qla83xx_clear_drv_ack(scsi_qla_host_t *vha)
6766 {
6767         int rval = QLA_SUCCESS;
6768         struct qla_hw_data *ha = vha->hw;
6769         uint32_t drv_ack;
6770
6771         rval = qla83xx_rd_reg(vha, QLA83XX_IDC_DRIVER_ACK, &drv_ack);
6772         if (rval == QLA_SUCCESS) {
6773                 drv_ack &= ~(1 << ha->portnum);
6774                 rval = qla83xx_wr_reg(vha, QLA83XX_IDC_DRIVER_ACK, drv_ack);
6775         }
6776
6777         return rval;
6778 }
6779
6780 static const char *
6781 qla83xx_dev_state_to_string(uint32_t dev_state)
6782 {
6783         switch (dev_state) {
6784         case QLA8XXX_DEV_COLD:
6785                 return "COLD/RE-INIT";
6786         case QLA8XXX_DEV_INITIALIZING:
6787                 return "INITIALIZING";
6788         case QLA8XXX_DEV_READY:
6789                 return "READY";
6790         case QLA8XXX_DEV_NEED_RESET:
6791                 return "NEED RESET";
6792         case QLA8XXX_DEV_NEED_QUIESCENT:
6793                 return "NEED QUIESCENT";
6794         case QLA8XXX_DEV_FAILED:
6795                 return "FAILED";
6796         case QLA8XXX_DEV_QUIESCENT:
6797                 return "QUIESCENT";
6798         default:
6799                 return "Unknown";
6800         }
6801 }
6802
6803 /* Assumes idc-lock always held on entry */
6804 void
6805 qla83xx_idc_audit(scsi_qla_host_t *vha, int audit_type)
6806 {
6807         struct qla_hw_data *ha = vha->hw;
6808         uint32_t idc_audit_reg = 0, duration_secs = 0;
6809
6810         switch (audit_type) {
6811         case IDC_AUDIT_TIMESTAMP:
6812                 ha->idc_audit_ts = (jiffies_to_msecs(jiffies) / 1000);
6813                 idc_audit_reg = (ha->portnum) |
6814                     (IDC_AUDIT_TIMESTAMP << 7) | (ha->idc_audit_ts << 8);
6815                 qla83xx_wr_reg(vha, QLA83XX_IDC_AUDIT, idc_audit_reg);
6816                 break;
6817
6818         case IDC_AUDIT_COMPLETION:
6819                 duration_secs = ((jiffies_to_msecs(jiffies) -
6820                     jiffies_to_msecs(ha->idc_audit_ts)) / 1000);
6821                 idc_audit_reg = (ha->portnum) |
6822                     (IDC_AUDIT_COMPLETION << 7) | (duration_secs << 8);
6823                 qla83xx_wr_reg(vha, QLA83XX_IDC_AUDIT, idc_audit_reg);
6824                 break;
6825
6826         default:
6827                 ql_log(ql_log_warn, vha, 0xb078,
6828                     "Invalid audit type specified.\n");
6829                 break;
6830         }
6831 }
6832
6833 /* Assumes idc_lock always held on entry */
6834 static int
6835 qla83xx_initiating_reset(scsi_qla_host_t *vha)
6836 {
6837         struct qla_hw_data *ha = vha->hw;
6838         uint32_t  idc_control, dev_state;
6839
6840         __qla83xx_get_idc_control(vha, &idc_control);
6841         if ((idc_control & QLA83XX_IDC_RESET_DISABLED)) {
6842                 ql_log(ql_log_info, vha, 0xb080,
6843                     "NIC Core reset has been disabled. idc-control=0x%x\n",
6844                     idc_control);
6845                 return QLA_FUNCTION_FAILED;
6846         }
6847
6848         /* Set NEED-RESET iff in READY state and we are the reset-owner */
6849         qla83xx_rd_reg(vha, QLA83XX_IDC_DEV_STATE, &dev_state);
6850         if (ha->flags.nic_core_reset_owner && dev_state == QLA8XXX_DEV_READY) {
6851                 qla83xx_wr_reg(vha, QLA83XX_IDC_DEV_STATE,
6852                     QLA8XXX_DEV_NEED_RESET);
6853                 ql_log(ql_log_info, vha, 0xb056, "HW State: NEED RESET.\n");
6854                 qla83xx_idc_audit(vha, IDC_AUDIT_TIMESTAMP);
6855         } else {
6856                 const char *state = qla83xx_dev_state_to_string(dev_state);
6857
6858                 ql_log(ql_log_info, vha, 0xb057, "HW State: %s.\n", state);
6859
6860                 /* SV: XXX: Is timeout required here? */
6861                 /* Wait for IDC state change READY -> NEED_RESET */
6862                 while (dev_state == QLA8XXX_DEV_READY) {
6863                         qla83xx_idc_unlock(vha, 0);
6864                         msleep(200);
6865                         qla83xx_idc_lock(vha, 0);
6866                         qla83xx_rd_reg(vha, QLA83XX_IDC_DEV_STATE, &dev_state);
6867                 }
6868         }
6869
6870         /* Send IDC ack by writing to drv-ack register */
6871         __qla83xx_set_drv_ack(vha);
6872
6873         return QLA_SUCCESS;
6874 }
6875
6876 int
6877 __qla83xx_set_idc_control(scsi_qla_host_t *vha, uint32_t idc_control)
6878 {
6879         return qla83xx_wr_reg(vha, QLA83XX_IDC_CONTROL, idc_control);
6880 }
6881
6882 int
6883 __qla83xx_get_idc_control(scsi_qla_host_t *vha, uint32_t *idc_control)
6884 {
6885         return qla83xx_rd_reg(vha, QLA83XX_IDC_CONTROL, idc_control);
6886 }
6887
6888 static int
6889 qla83xx_check_driver_presence(scsi_qla_host_t *vha)
6890 {
6891         uint32_t drv_presence = 0;
6892         struct qla_hw_data *ha = vha->hw;
6893
6894         qla83xx_rd_reg(vha, QLA83XX_IDC_DRV_PRESENCE, &drv_presence);
6895         if (drv_presence & (1 << ha->portnum))
6896                 return QLA_SUCCESS;
6897         else
6898                 return QLA_TEST_FAILED;
6899 }
6900
6901 int
6902 qla83xx_nic_core_reset(scsi_qla_host_t *vha)
6903 {
6904         int rval = QLA_SUCCESS;
6905         struct qla_hw_data *ha = vha->hw;
6906
6907         ql_dbg(ql_dbg_p3p, vha, 0xb058,
6908             "Entered  %s().\n", __func__);
6909
6910         if (vha->device_flags & DFLG_DEV_FAILED) {
6911                 ql_log(ql_log_warn, vha, 0xb059,
6912                     "Device in unrecoverable FAILED state.\n");
6913                 return QLA_FUNCTION_FAILED;
6914         }
6915
6916         qla83xx_idc_lock(vha, 0);
6917
6918         if (qla83xx_check_driver_presence(vha) != QLA_SUCCESS) {
6919                 ql_log(ql_log_warn, vha, 0xb05a,
6920                     "Function=0x%x has been removed from IDC participation.\n",
6921                     ha->portnum);
6922                 rval = QLA_FUNCTION_FAILED;
6923                 goto exit;
6924         }
6925
6926         qla83xx_reset_ownership(vha);
6927
6928         rval = qla83xx_initiating_reset(vha);
6929
6930         /*
6931          * Perform reset if we are the reset-owner,
6932          * else wait till IDC state changes to READY/FAILED.
6933          */
6934         if (rval == QLA_SUCCESS) {
6935                 rval = qla83xx_idc_state_handler(vha);
6936
6937                 if (rval == QLA_SUCCESS)
6938                         ha->flags.nic_core_hung = 0;
6939                 __qla83xx_clear_drv_ack(vha);
6940         }
6941
6942 exit:
6943         qla83xx_idc_unlock(vha, 0);
6944
6945         ql_dbg(ql_dbg_p3p, vha, 0xb05b, "Exiting %s.\n", __func__);
6946
6947         return rval;
6948 }
6949
6950 int
6951 qla2xxx_mctp_dump(scsi_qla_host_t *vha)
6952 {
6953         struct qla_hw_data *ha = vha->hw;
6954         int rval = QLA_FUNCTION_FAILED;
6955
6956         if (!IS_MCTP_CAPABLE(ha)) {
6957                 /* This message can be removed from the final version */
6958                 ql_log(ql_log_info, vha, 0x506d,
6959                     "This board is not MCTP capable\n");
6960                 return rval;
6961         }
6962
6963         if (!ha->mctp_dump) {
6964                 ha->mctp_dump = dma_alloc_coherent(&ha->pdev->dev,
6965                     MCTP_DUMP_SIZE, &ha->mctp_dump_dma, GFP_KERNEL);
6966
6967                 if (!ha->mctp_dump) {
6968                         ql_log(ql_log_warn, vha, 0x506e,
6969                             "Failed to allocate memory for mctp dump\n");
6970                         return rval;
6971                 }
6972         }
6973
6974 #define MCTP_DUMP_STR_ADDR      0x00000000
6975         rval = qla2x00_dump_mctp_data(vha, ha->mctp_dump_dma,
6976             MCTP_DUMP_STR_ADDR, MCTP_DUMP_SIZE/4);
6977         if (rval != QLA_SUCCESS) {
6978                 ql_log(ql_log_warn, vha, 0x506f,
6979                     "Failed to capture mctp dump\n");
6980         } else {
6981                 ql_log(ql_log_info, vha, 0x5070,
6982                     "Mctp dump capture for host (%ld/%p).\n",
6983                     vha->host_no, ha->mctp_dump);
6984                 ha->mctp_dumped = 1;
6985         }
6986
6987         if (!ha->flags.nic_core_reset_hdlr_active && !ha->portnum) {
6988                 ha->flags.nic_core_reset_hdlr_active = 1;
6989                 rval = qla83xx_restart_nic_firmware(vha);
6990                 if (rval)
6991                         /* NIC Core reset failed. */
6992                         ql_log(ql_log_warn, vha, 0x5071,
6993                             "Failed to restart nic firmware\n");
6994                 else
6995                         ql_dbg(ql_dbg_p3p, vha, 0xb084,
6996                             "Restarted NIC firmware successfully.\n");
6997                 ha->flags.nic_core_reset_hdlr_active = 0;
6998         }
6999
7000         return rval;
7001
7002 }
7003
7004 /*
7005 * qla2x00_quiesce_io
7006 * Description: This function will block the new I/Os
7007 *              Its not aborting any I/Os as context
7008 *              is not destroyed during quiescence
7009 * Arguments: scsi_qla_host_t
7010 * return   : void
7011 */
7012 void
7013 qla2x00_quiesce_io(scsi_qla_host_t *vha)
7014 {
7015         struct qla_hw_data *ha = vha->hw;
7016         struct scsi_qla_host *vp, *tvp;
7017         unsigned long flags;
7018
7019         ql_dbg(ql_dbg_dpc, vha, 0x401d,
7020             "Quiescing I/O - ha=%p.\n", ha);
7021
7022         atomic_set(&ha->loop_down_timer, LOOP_DOWN_TIME);
7023         if (atomic_read(&vha->loop_state) != LOOP_DOWN) {
7024                 atomic_set(&vha->loop_state, LOOP_DOWN);
7025                 qla2x00_mark_all_devices_lost(vha);
7026
7027                 spin_lock_irqsave(&ha->vport_slock, flags);
7028                 list_for_each_entry_safe(vp, tvp, &ha->vp_list, list) {
7029                         atomic_inc(&vp->vref_count);
7030                         spin_unlock_irqrestore(&ha->vport_slock, flags);
7031
7032                         qla2x00_mark_all_devices_lost(vp);
7033
7034                         spin_lock_irqsave(&ha->vport_slock, flags);
7035                         atomic_dec(&vp->vref_count);
7036                 }
7037                 spin_unlock_irqrestore(&ha->vport_slock, flags);
7038         } else {
7039                 if (!atomic_read(&vha->loop_down_timer))
7040                         atomic_set(&vha->loop_down_timer,
7041                                         LOOP_DOWN_TIME);
7042         }
7043         /* Wait for pending cmds to complete */
7044         WARN_ON_ONCE(qla2x00_eh_wait_for_pending_commands(vha, 0, 0, WAIT_HOST)
7045                      != QLA_SUCCESS);
7046 }
7047
7048 void
7049 qla2x00_abort_isp_cleanup(scsi_qla_host_t *vha)
7050 {
7051         struct qla_hw_data *ha = vha->hw;
7052         struct scsi_qla_host *vp, *tvp;
7053         unsigned long flags;
7054         fc_port_t *fcport;
7055         u16 i;
7056
7057         /* For ISP82XX, driver waits for completion of the commands.
7058          * online flag should be set.
7059          */
7060         if (!(IS_P3P_TYPE(ha)))
7061                 vha->flags.online = 0;
7062         ha->flags.chip_reset_done = 0;
7063         clear_bit(ISP_ABORT_NEEDED, &vha->dpc_flags);
7064         vha->qla_stats.total_isp_aborts++;
7065
7066         ql_log(ql_log_info, vha, 0x00af,
7067             "Performing ISP error recovery - ha=%p.\n", ha);
7068
7069         ha->flags.purge_mbox = 1;
7070         /* For ISP82XX, reset_chip is just disabling interrupts.
7071          * Driver waits for the completion of the commands.
7072          * the interrupts need to be enabled.
7073          */
7074         if (!(IS_P3P_TYPE(ha)))
7075                 ha->isp_ops->reset_chip(vha);
7076
7077         ha->link_data_rate = PORT_SPEED_UNKNOWN;
7078         SAVE_TOPO(ha);
7079         ha->flags.rida_fmt2 = 0;
7080         ha->flags.n2n_ae = 0;
7081         ha->flags.lip_ae = 0;
7082         ha->current_topology = 0;
7083         QLA_FW_STOPPED(ha);
7084         ha->flags.fw_init_done = 0;
7085         ha->chip_reset++;
7086         ha->base_qpair->chip_reset = ha->chip_reset;
7087         ha->base_qpair->cmd_cnt = ha->base_qpair->cmd_completion_cnt = 0;
7088         ha->base_qpair->prev_completion_cnt = 0;
7089         for (i = 0; i < ha->max_qpairs; i++) {
7090                 if (ha->queue_pair_map[i]) {
7091                         ha->queue_pair_map[i]->chip_reset =
7092                                 ha->base_qpair->chip_reset;
7093                         ha->queue_pair_map[i]->cmd_cnt =
7094                             ha->queue_pair_map[i]->cmd_completion_cnt = 0;
7095                         ha->base_qpair->prev_completion_cnt = 0;
7096                 }
7097         }
7098
7099         /* purge MBox commands */
7100         if (atomic_read(&ha->num_pend_mbx_stage3)) {
7101                 clear_bit(MBX_INTR_WAIT, &ha->mbx_cmd_flags);
7102                 complete(&ha->mbx_intr_comp);
7103         }
7104
7105         i = 0;
7106         while (atomic_read(&ha->num_pend_mbx_stage3) ||
7107             atomic_read(&ha->num_pend_mbx_stage2) ||
7108             atomic_read(&ha->num_pend_mbx_stage1)) {
7109                 msleep(20);
7110                 i++;
7111                 if (i > 50)
7112                         break;
7113         }
7114         ha->flags.purge_mbox = 0;
7115
7116         atomic_set(&vha->loop_down_timer, LOOP_DOWN_TIME);
7117         if (atomic_read(&vha->loop_state) != LOOP_DOWN) {
7118                 atomic_set(&vha->loop_state, LOOP_DOWN);
7119                 qla2x00_mark_all_devices_lost(vha);
7120
7121                 spin_lock_irqsave(&ha->vport_slock, flags);
7122                 list_for_each_entry_safe(vp, tvp, &ha->vp_list, list) {
7123                         atomic_inc(&vp->vref_count);
7124                         spin_unlock_irqrestore(&ha->vport_slock, flags);
7125
7126                         qla2x00_mark_all_devices_lost(vp);
7127
7128                         spin_lock_irqsave(&ha->vport_slock, flags);
7129                         atomic_dec(&vp->vref_count);
7130                 }
7131                 spin_unlock_irqrestore(&ha->vport_slock, flags);
7132         } else {
7133                 if (!atomic_read(&vha->loop_down_timer))
7134                         atomic_set(&vha->loop_down_timer,
7135                             LOOP_DOWN_TIME);
7136         }
7137
7138         /* Clear all async request states across all VPs. */
7139         list_for_each_entry(fcport, &vha->vp_fcports, list) {
7140                 fcport->flags &= ~(FCF_LOGIN_NEEDED | FCF_ASYNC_SENT);
7141                 fcport->scan_state = 0;
7142         }
7143         spin_lock_irqsave(&ha->vport_slock, flags);
7144         list_for_each_entry_safe(vp, tvp, &ha->vp_list, list) {
7145                 atomic_inc(&vp->vref_count);
7146                 spin_unlock_irqrestore(&ha->vport_slock, flags);
7147
7148                 list_for_each_entry(fcport, &vp->vp_fcports, list)
7149                         fcport->flags &= ~(FCF_LOGIN_NEEDED | FCF_ASYNC_SENT);
7150
7151                 spin_lock_irqsave(&ha->vport_slock, flags);
7152                 atomic_dec(&vp->vref_count);
7153         }
7154         spin_unlock_irqrestore(&ha->vport_slock, flags);
7155
7156         /* Make sure for ISP 82XX IO DMA is complete */
7157         if (IS_P3P_TYPE(ha)) {
7158                 qla82xx_chip_reset_cleanup(vha);
7159                 ql_log(ql_log_info, vha, 0x00b4,
7160                        "Done chip reset cleanup.\n");
7161
7162                 /* Done waiting for pending commands. Reset online flag */
7163                 vha->flags.online = 0;
7164         }
7165
7166         /* Requeue all commands in outstanding command list. */
7167         qla2x00_abort_all_cmds(vha, DID_RESET << 16);
7168         /* memory barrier */
7169         wmb();
7170 }
7171
7172 /*
7173 *  qla2x00_abort_isp
7174 *      Resets ISP and aborts all outstanding commands.
7175 *
7176 * Input:
7177 *      ha           = adapter block pointer.
7178 *
7179 * Returns:
7180 *      0 = success
7181 */
7182 int
7183 qla2x00_abort_isp(scsi_qla_host_t *vha)
7184 {
7185         int rval;
7186         uint8_t        status = 0;
7187         struct qla_hw_data *ha = vha->hw;
7188         struct scsi_qla_host *vp, *tvp;
7189         struct req_que *req = ha->req_q_map[0];
7190         unsigned long flags;
7191
7192         if (vha->flags.online) {
7193                 qla2x00_abort_isp_cleanup(vha);
7194
7195                 if (vha->hw->flags.port_isolated)
7196                         return status;
7197
7198                 if (qla2x00_isp_reg_stat(ha)) {
7199                         ql_log(ql_log_info, vha, 0x803f,
7200                                "ISP Abort - ISP reg disconnect, exiting.\n");
7201                         return status;
7202                 }
7203
7204                 if (test_and_clear_bit(ISP_ABORT_TO_ROM, &vha->dpc_flags)) {
7205                         ha->flags.chip_reset_done = 1;
7206                         vha->flags.online = 1;
7207                         status = 0;
7208                         clear_bit(ISP_ABORT_RETRY, &vha->dpc_flags);
7209                         return status;
7210                 }
7211
7212                 if (IS_QLA8031(ha)) {
7213                         ql_dbg(ql_dbg_p3p, vha, 0xb05c,
7214                             "Clearing fcoe driver presence.\n");
7215                         if (qla83xx_clear_drv_presence(vha) != QLA_SUCCESS)
7216                                 ql_dbg(ql_dbg_p3p, vha, 0xb073,
7217                                     "Error while clearing DRV-Presence.\n");
7218                 }
7219
7220                 if (unlikely(pci_channel_offline(ha->pdev) &&
7221                     ha->flags.pci_channel_io_perm_failure)) {
7222                         clear_bit(ISP_ABORT_RETRY, &vha->dpc_flags);
7223                         status = 0;
7224                         return status;
7225                 }
7226
7227                 switch (vha->qlini_mode) {
7228                 case QLA2XXX_INI_MODE_DISABLED:
7229                         if (!qla_tgt_mode_enabled(vha))
7230                                 return 0;
7231                         break;
7232                 case QLA2XXX_INI_MODE_DUAL:
7233                         if (!qla_dual_mode_enabled(vha) &&
7234                             !qla_ini_mode_enabled(vha))
7235                                 return 0;
7236                         break;
7237                 case QLA2XXX_INI_MODE_ENABLED:
7238                 default:
7239                         break;
7240                 }
7241
7242                 ha->isp_ops->get_flash_version(vha, req->ring);
7243
7244                 if (qla2x00_isp_reg_stat(ha)) {
7245                         ql_log(ql_log_info, vha, 0x803f,
7246                                "ISP Abort - ISP reg disconnect pre nvram config, exiting.\n");
7247                         return status;
7248                 }
7249                 ha->isp_ops->nvram_config(vha);
7250
7251                 if (qla2x00_isp_reg_stat(ha)) {
7252                         ql_log(ql_log_info, vha, 0x803f,
7253                                "ISP Abort - ISP reg disconnect post nvmram config, exiting.\n");
7254                         return status;
7255                 }
7256                 if (!qla2x00_restart_isp(vha)) {
7257                         clear_bit(RESET_MARKER_NEEDED, &vha->dpc_flags);
7258
7259                         if (!atomic_read(&vha->loop_down_timer)) {
7260                                 /*
7261                                  * Issue marker command only when we are going
7262                                  * to start the I/O .
7263                                  */
7264                                 vha->marker_needed = 1;
7265                         }
7266
7267                         vha->flags.online = 1;
7268
7269                         ha->isp_ops->enable_intrs(ha);
7270
7271                         ha->isp_abort_cnt = 0;
7272                         clear_bit(ISP_ABORT_RETRY, &vha->dpc_flags);
7273
7274                         if (IS_QLA81XX(ha) || IS_QLA8031(ha))
7275                                 qla2x00_get_fw_version(vha);
7276                         if (ha->fce) {
7277                                 ha->flags.fce_enabled = 1;
7278                                 memset(ha->fce, 0,
7279                                     fce_calc_size(ha->fce_bufs));
7280                                 rval = qla2x00_enable_fce_trace(vha,
7281                                     ha->fce_dma, ha->fce_bufs, ha->fce_mb,
7282                                     &ha->fce_bufs);
7283                                 if (rval) {
7284                                         ql_log(ql_log_warn, vha, 0x8033,
7285                                             "Unable to reinitialize FCE "
7286                                             "(%d).\n", rval);
7287                                         ha->flags.fce_enabled = 0;
7288                                 }
7289                         }
7290
7291                         if (ha->eft) {
7292                                 memset(ha->eft, 0, EFT_SIZE);
7293                                 rval = qla2x00_enable_eft_trace(vha,
7294                                     ha->eft_dma, EFT_NUM_BUFFERS);
7295                                 if (rval) {
7296                                         ql_log(ql_log_warn, vha, 0x8034,
7297                                             "Unable to reinitialize EFT "
7298                                             "(%d).\n", rval);
7299                                 }
7300                         }
7301                 } else {        /* failed the ISP abort */
7302                         vha->flags.online = 1;
7303                         if (test_bit(ISP_ABORT_RETRY, &vha->dpc_flags)) {
7304                                 if (ha->isp_abort_cnt == 0) {
7305                                         ql_log(ql_log_fatal, vha, 0x8035,
7306                                             "ISP error recover failed - "
7307                                             "board disabled.\n");
7308                                         /*
7309                                          * The next call disables the board
7310                                          * completely.
7311                                          */
7312                                         qla2x00_abort_isp_cleanup(vha);
7313                                         vha->flags.online = 0;
7314                                         clear_bit(ISP_ABORT_RETRY,
7315                                             &vha->dpc_flags);
7316                                         status = 0;
7317                                 } else { /* schedule another ISP abort */
7318                                         ha->isp_abort_cnt--;
7319                                         ql_dbg(ql_dbg_taskm, vha, 0x8020,
7320                                             "ISP abort - retry remaining %d.\n",
7321                                             ha->isp_abort_cnt);
7322                                         status = 1;
7323                                 }
7324                         } else {
7325                                 ha->isp_abort_cnt = MAX_RETRIES_OF_ISP_ABORT;
7326                                 ql_dbg(ql_dbg_taskm, vha, 0x8021,
7327                                     "ISP error recovery - retrying (%d) "
7328                                     "more times.\n", ha->isp_abort_cnt);
7329                                 set_bit(ISP_ABORT_RETRY, &vha->dpc_flags);
7330                                 status = 1;
7331                         }
7332                 }
7333
7334         }
7335
7336         if (vha->hw->flags.port_isolated) {
7337                 qla2x00_abort_isp_cleanup(vha);
7338                 return status;
7339         }
7340
7341         if (!status) {
7342                 ql_dbg(ql_dbg_taskm, vha, 0x8022, "%s succeeded.\n", __func__);
7343                 qla2x00_configure_hba(vha);
7344                 spin_lock_irqsave(&ha->vport_slock, flags);
7345                 list_for_each_entry_safe(vp, tvp, &ha->vp_list, list) {
7346                         if (vp->vp_idx) {
7347                                 atomic_inc(&vp->vref_count);
7348                                 spin_unlock_irqrestore(&ha->vport_slock, flags);
7349
7350                                 qla2x00_vp_abort_isp(vp);
7351
7352                                 spin_lock_irqsave(&ha->vport_slock, flags);
7353                                 atomic_dec(&vp->vref_count);
7354                         }
7355                 }
7356                 spin_unlock_irqrestore(&ha->vport_slock, flags);
7357
7358                 if (IS_QLA8031(ha)) {
7359                         ql_dbg(ql_dbg_p3p, vha, 0xb05d,
7360                             "Setting back fcoe driver presence.\n");
7361                         if (qla83xx_set_drv_presence(vha) != QLA_SUCCESS)
7362                                 ql_dbg(ql_dbg_p3p, vha, 0xb074,
7363                                     "Error while setting DRV-Presence.\n");
7364                 }
7365         } else {
7366                 ql_log(ql_log_warn, vha, 0x8023, "%s **** FAILED ****.\n",
7367                        __func__);
7368         }
7369
7370         return(status);
7371 }
7372
7373 /*
7374 *  qla2x00_restart_isp
7375 *      restarts the ISP after a reset
7376 *
7377 * Input:
7378 *      ha = adapter block pointer.
7379 *
7380 * Returns:
7381 *      0 = success
7382 */
7383 static int
7384 qla2x00_restart_isp(scsi_qla_host_t *vha)
7385 {
7386         int status;
7387         struct qla_hw_data *ha = vha->hw;
7388
7389         /* If firmware needs to be loaded */
7390         if (qla2x00_isp_firmware(vha)) {
7391                 vha->flags.online = 0;
7392                 status = ha->isp_ops->chip_diag(vha);
7393                 if (status)
7394                         return status;
7395                 status = qla2x00_setup_chip(vha);
7396                 if (status)
7397                         return status;
7398         }
7399
7400         status = qla2x00_init_rings(vha);
7401         if (status)
7402                 return status;
7403
7404         clear_bit(RESET_MARKER_NEEDED, &vha->dpc_flags);
7405         ha->flags.chip_reset_done = 1;
7406
7407         /* Initialize the queues in use */
7408         qla25xx_init_queues(ha);
7409
7410         status = qla2x00_fw_ready(vha);
7411         if (status) {
7412                 /* if no cable then assume it's good */
7413                 return vha->device_flags & DFLG_NO_CABLE ? 0 : status;
7414         }
7415
7416         /* Issue a marker after FW becomes ready. */
7417         qla2x00_marker(vha, ha->base_qpair, 0, 0, MK_SYNC_ALL);
7418         set_bit(LOOP_RESYNC_NEEDED, &vha->dpc_flags);
7419
7420         return 0;
7421 }
7422
7423 static int
7424 qla25xx_init_queues(struct qla_hw_data *ha)
7425 {
7426         struct rsp_que *rsp = NULL;
7427         struct req_que *req = NULL;
7428         struct scsi_qla_host *base_vha = pci_get_drvdata(ha->pdev);
7429         int ret = -1;
7430         int i;
7431
7432         for (i = 1; i < ha->max_rsp_queues; i++) {
7433                 rsp = ha->rsp_q_map[i];
7434                 if (rsp && test_bit(i, ha->rsp_qid_map)) {
7435                         rsp->options &= ~BIT_0;
7436                         ret = qla25xx_init_rsp_que(base_vha, rsp);
7437                         if (ret != QLA_SUCCESS)
7438                                 ql_dbg(ql_dbg_init, base_vha, 0x00ff,
7439                                     "%s Rsp que: %d init failed.\n",
7440                                     __func__, rsp->id);
7441                         else
7442                                 ql_dbg(ql_dbg_init, base_vha, 0x0100,
7443                                     "%s Rsp que: %d inited.\n",
7444                                     __func__, rsp->id);
7445                 }
7446         }
7447         for (i = 1; i < ha->max_req_queues; i++) {
7448                 req = ha->req_q_map[i];
7449                 if (req && test_bit(i, ha->req_qid_map)) {
7450                         /* Clear outstanding commands array. */
7451                         req->options &= ~BIT_0;
7452                         ret = qla25xx_init_req_que(base_vha, req);
7453                         if (ret != QLA_SUCCESS)
7454                                 ql_dbg(ql_dbg_init, base_vha, 0x0101,
7455                                     "%s Req que: %d init failed.\n",
7456                                     __func__, req->id);
7457                         else
7458                                 ql_dbg(ql_dbg_init, base_vha, 0x0102,
7459                                     "%s Req que: %d inited.\n",
7460                                     __func__, req->id);
7461                 }
7462         }
7463         return ret;
7464 }
7465
7466 /*
7467 * qla2x00_reset_adapter
7468 *      Reset adapter.
7469 *
7470 * Input:
7471 *      ha = adapter block pointer.
7472 */
7473 int
7474 qla2x00_reset_adapter(scsi_qla_host_t *vha)
7475 {
7476         unsigned long flags = 0;
7477         struct qla_hw_data *ha = vha->hw;
7478         struct device_reg_2xxx __iomem *reg = &ha->iobase->isp;
7479
7480         vha->flags.online = 0;
7481         ha->isp_ops->disable_intrs(ha);
7482
7483         spin_lock_irqsave(&ha->hardware_lock, flags);
7484         wrt_reg_word(&reg->hccr, HCCR_RESET_RISC);
7485         rd_reg_word(&reg->hccr);                        /* PCI Posting. */
7486         wrt_reg_word(&reg->hccr, HCCR_RELEASE_RISC);
7487         rd_reg_word(&reg->hccr);                        /* PCI Posting. */
7488         spin_unlock_irqrestore(&ha->hardware_lock, flags);
7489
7490         return QLA_SUCCESS;
7491 }
7492
7493 int
7494 qla24xx_reset_adapter(scsi_qla_host_t *vha)
7495 {
7496         unsigned long flags = 0;
7497         struct qla_hw_data *ha = vha->hw;
7498         struct device_reg_24xx __iomem *reg = &ha->iobase->isp24;
7499
7500         if (IS_P3P_TYPE(ha))
7501                 return QLA_SUCCESS;
7502
7503         vha->flags.online = 0;
7504         ha->isp_ops->disable_intrs(ha);
7505
7506         spin_lock_irqsave(&ha->hardware_lock, flags);
7507         wrt_reg_dword(&reg->hccr, HCCRX_SET_RISC_RESET);
7508         rd_reg_dword(&reg->hccr);
7509         wrt_reg_dword(&reg->hccr, HCCRX_REL_RISC_PAUSE);
7510         rd_reg_dword(&reg->hccr);
7511         spin_unlock_irqrestore(&ha->hardware_lock, flags);
7512
7513         if (IS_NOPOLLING_TYPE(ha))
7514                 ha->isp_ops->enable_intrs(ha);
7515
7516         return QLA_SUCCESS;
7517 }
7518
7519 /* On sparc systems, obtain port and node WWN from firmware
7520  * properties.
7521  */
7522 static void qla24xx_nvram_wwn_from_ofw(scsi_qla_host_t *vha,
7523         struct nvram_24xx *nv)
7524 {
7525 #ifdef CONFIG_SPARC
7526         struct qla_hw_data *ha = vha->hw;
7527         struct pci_dev *pdev = ha->pdev;
7528         struct device_node *dp = pci_device_to_OF_node(pdev);
7529         const u8 *val;
7530         int len;
7531
7532         val = of_get_property(dp, "port-wwn", &len);
7533         if (val && len >= WWN_SIZE)
7534                 memcpy(nv->port_name, val, WWN_SIZE);
7535
7536         val = of_get_property(dp, "node-wwn", &len);
7537         if (val && len >= WWN_SIZE)
7538                 memcpy(nv->node_name, val, WWN_SIZE);
7539 #endif
7540 }
7541
7542 int
7543 qla24xx_nvram_config(scsi_qla_host_t *vha)
7544 {
7545         int   rval;
7546         struct init_cb_24xx *icb;
7547         struct nvram_24xx *nv;
7548         __le32 *dptr;
7549         uint8_t  *dptr1, *dptr2;
7550         uint32_t chksum;
7551         uint16_t cnt;
7552         struct qla_hw_data *ha = vha->hw;
7553
7554         rval = QLA_SUCCESS;
7555         icb = (struct init_cb_24xx *)ha->init_cb;
7556         nv = ha->nvram;
7557
7558         /* Determine NVRAM starting address. */
7559         if (ha->port_no == 0) {
7560                 ha->nvram_base = FA_NVRAM_FUNC0_ADDR;
7561                 ha->vpd_base = FA_NVRAM_VPD0_ADDR;
7562         } else {
7563                 ha->nvram_base = FA_NVRAM_FUNC1_ADDR;
7564                 ha->vpd_base = FA_NVRAM_VPD1_ADDR;
7565         }
7566
7567         ha->nvram_size = sizeof(*nv);
7568         ha->vpd_size = FA_NVRAM_VPD_SIZE;
7569
7570         /* Get VPD data into cache */
7571         ha->vpd = ha->nvram + VPD_OFFSET;
7572         ha->isp_ops->read_nvram(vha, ha->vpd,
7573             ha->nvram_base - FA_NVRAM_FUNC0_ADDR, FA_NVRAM_VPD_SIZE * 4);
7574
7575         /* Get NVRAM data into cache and calculate checksum. */
7576         dptr = (__force __le32 *)nv;
7577         ha->isp_ops->read_nvram(vha, dptr, ha->nvram_base, ha->nvram_size);
7578         for (cnt = 0, chksum = 0; cnt < ha->nvram_size >> 2; cnt++, dptr++)
7579                 chksum += le32_to_cpu(*dptr);
7580
7581         ql_dbg(ql_dbg_init + ql_dbg_buffer, vha, 0x006a,
7582             "Contents of NVRAM\n");
7583         ql_dump_buffer(ql_dbg_init + ql_dbg_buffer, vha, 0x010d,
7584             nv, ha->nvram_size);
7585
7586         /* Bad NVRAM data, set defaults parameters. */
7587         if (chksum || memcmp("ISP ", nv->id, sizeof(nv->id)) ||
7588             le16_to_cpu(nv->nvram_version) < ICB_VERSION) {
7589                 /* Reset NVRAM data. */
7590                 ql_log(ql_log_warn, vha, 0x006b,
7591                     "Inconsistent NVRAM checksum=%#x id=%.4s version=%#x.\n",
7592                     chksum, nv->id, nv->nvram_version);
7593                 ql_dump_buffer(ql_dbg_init, vha, 0x006b, nv, sizeof(*nv));
7594                 ql_log(ql_log_warn, vha, 0x006c,
7595                     "Falling back to functioning (yet invalid -- WWPN) "
7596                     "defaults.\n");
7597
7598                 /*
7599                  * Set default initialization control block.
7600                  */
7601                 memset(nv, 0, ha->nvram_size);
7602                 nv->nvram_version = cpu_to_le16(ICB_VERSION);
7603                 nv->version = cpu_to_le16(ICB_VERSION);
7604                 nv->frame_payload_size = cpu_to_le16(2048);
7605                 nv->execution_throttle = cpu_to_le16(0xFFFF);
7606                 nv->exchange_count = cpu_to_le16(0);
7607                 nv->hard_address = cpu_to_le16(124);
7608                 nv->port_name[0] = 0x21;
7609                 nv->port_name[1] = 0x00 + ha->port_no + 1;
7610                 nv->port_name[2] = 0x00;
7611                 nv->port_name[3] = 0xe0;
7612                 nv->port_name[4] = 0x8b;
7613                 nv->port_name[5] = 0x1c;
7614                 nv->port_name[6] = 0x55;
7615                 nv->port_name[7] = 0x86;
7616                 nv->node_name[0] = 0x20;
7617                 nv->node_name[1] = 0x00;
7618                 nv->node_name[2] = 0x00;
7619                 nv->node_name[3] = 0xe0;
7620                 nv->node_name[4] = 0x8b;
7621                 nv->node_name[5] = 0x1c;
7622                 nv->node_name[6] = 0x55;
7623                 nv->node_name[7] = 0x86;
7624                 qla24xx_nvram_wwn_from_ofw(vha, nv);
7625                 nv->login_retry_count = cpu_to_le16(8);
7626                 nv->interrupt_delay_timer = cpu_to_le16(0);
7627                 nv->login_timeout = cpu_to_le16(0);
7628                 nv->firmware_options_1 =
7629                     cpu_to_le32(BIT_14|BIT_13|BIT_2|BIT_1);
7630                 nv->firmware_options_2 = cpu_to_le32(2 << 4);
7631                 nv->firmware_options_2 |= cpu_to_le32(BIT_12);
7632                 nv->firmware_options_3 = cpu_to_le32(2 << 13);
7633                 nv->host_p = cpu_to_le32(BIT_11|BIT_10);
7634                 nv->efi_parameters = cpu_to_le32(0);
7635                 nv->reset_delay = 5;
7636                 nv->max_luns_per_target = cpu_to_le16(128);
7637                 nv->port_down_retry_count = cpu_to_le16(30);
7638                 nv->link_down_timeout = cpu_to_le16(30);
7639
7640                 rval = 1;
7641         }
7642
7643         if (qla_tgt_mode_enabled(vha)) {
7644                 /* Don't enable full login after initial LIP */
7645                 nv->firmware_options_1 &= cpu_to_le32(~BIT_13);
7646                 /* Don't enable LIP full login for initiator */
7647                 nv->host_p &= cpu_to_le32(~BIT_10);
7648         }
7649
7650         qlt_24xx_config_nvram_stage1(vha, nv);
7651
7652         /* Reset Initialization control block */
7653         memset(icb, 0, ha->init_cb_size);
7654
7655         /* Copy 1st segment. */
7656         dptr1 = (uint8_t *)icb;
7657         dptr2 = (uint8_t *)&nv->version;
7658         cnt = (uint8_t *)&icb->response_q_inpointer - (uint8_t *)&icb->version;
7659         while (cnt--)
7660                 *dptr1++ = *dptr2++;
7661
7662         icb->login_retry_count = nv->login_retry_count;
7663         icb->link_down_on_nos = nv->link_down_on_nos;
7664
7665         /* Copy 2nd segment. */
7666         dptr1 = (uint8_t *)&icb->interrupt_delay_timer;
7667         dptr2 = (uint8_t *)&nv->interrupt_delay_timer;
7668         cnt = (uint8_t *)&icb->reserved_3 -
7669             (uint8_t *)&icb->interrupt_delay_timer;
7670         while (cnt--)
7671                 *dptr1++ = *dptr2++;
7672         ha->frame_payload_size = le16_to_cpu(icb->frame_payload_size);
7673         /*
7674          * Setup driver NVRAM options.
7675          */
7676         qla2x00_set_model_info(vha, nv->model_name, sizeof(nv->model_name),
7677             "QLA2462");
7678
7679         qlt_24xx_config_nvram_stage2(vha, icb);
7680
7681         if (nv->host_p & cpu_to_le32(BIT_15)) {
7682                 /* Use alternate WWN? */
7683                 memcpy(icb->node_name, nv->alternate_node_name, WWN_SIZE);
7684                 memcpy(icb->port_name, nv->alternate_port_name, WWN_SIZE);
7685         }
7686
7687         /* Prepare nodename */
7688         if ((icb->firmware_options_1 & cpu_to_le32(BIT_14)) == 0) {
7689                 /*
7690                  * Firmware will apply the following mask if the nodename was
7691                  * not provided.
7692                  */
7693                 memcpy(icb->node_name, icb->port_name, WWN_SIZE);
7694                 icb->node_name[0] &= 0xF0;
7695         }
7696
7697         /* Set host adapter parameters. */
7698         ha->flags.disable_risc_code_load = 0;
7699         ha->flags.enable_lip_reset = 0;
7700         ha->flags.enable_lip_full_login =
7701             le32_to_cpu(nv->host_p) & BIT_10 ? 1 : 0;
7702         ha->flags.enable_target_reset =
7703             le32_to_cpu(nv->host_p) & BIT_11 ? 1 : 0;
7704         ha->flags.enable_led_scheme = 0;
7705         ha->flags.disable_serdes = le32_to_cpu(nv->host_p) & BIT_5 ? 1 : 0;
7706
7707         ha->operating_mode = (le32_to_cpu(icb->firmware_options_2) &
7708             (BIT_6 | BIT_5 | BIT_4)) >> 4;
7709
7710         memcpy(ha->fw_seriallink_options24, nv->seriallink_options,
7711             sizeof(ha->fw_seriallink_options24));
7712
7713         /* save HBA serial number */
7714         ha->serial0 = icb->port_name[5];
7715         ha->serial1 = icb->port_name[6];
7716         ha->serial2 = icb->port_name[7];
7717         memcpy(vha->node_name, icb->node_name, WWN_SIZE);
7718         memcpy(vha->port_name, icb->port_name, WWN_SIZE);
7719
7720         icb->execution_throttle = cpu_to_le16(0xFFFF);
7721
7722         ha->retry_count = le16_to_cpu(nv->login_retry_count);
7723
7724         /* Set minimum login_timeout to 4 seconds. */
7725         if (le16_to_cpu(nv->login_timeout) < ql2xlogintimeout)
7726                 nv->login_timeout = cpu_to_le16(ql2xlogintimeout);
7727         if (le16_to_cpu(nv->login_timeout) < 4)
7728                 nv->login_timeout = cpu_to_le16(4);
7729         ha->login_timeout = le16_to_cpu(nv->login_timeout);
7730
7731         /* Set minimum RATOV to 100 tenths of a second. */
7732         ha->r_a_tov = 100;
7733
7734         ha->loop_reset_delay = nv->reset_delay;
7735
7736         /* Link Down Timeout = 0:
7737          *
7738          *      When Port Down timer expires we will start returning
7739          *      I/O's to OS with "DID_NO_CONNECT".
7740          *
7741          * Link Down Timeout != 0:
7742          *
7743          *       The driver waits for the link to come up after link down
7744          *       before returning I/Os to OS with "DID_NO_CONNECT".
7745          */
7746         if (le16_to_cpu(nv->link_down_timeout) == 0) {
7747                 ha->loop_down_abort_time =
7748                     (LOOP_DOWN_TIME - LOOP_DOWN_TIMEOUT);
7749         } else {
7750                 ha->link_down_timeout = le16_to_cpu(nv->link_down_timeout);
7751                 ha->loop_down_abort_time =
7752                     (LOOP_DOWN_TIME - ha->link_down_timeout);
7753         }
7754
7755         /* Need enough time to try and get the port back. */
7756         ha->port_down_retry_count = le16_to_cpu(nv->port_down_retry_count);
7757         if (qlport_down_retry)
7758                 ha->port_down_retry_count = qlport_down_retry;
7759
7760         /* Set login_retry_count */
7761         ha->login_retry_count  = le16_to_cpu(nv->login_retry_count);
7762         if (ha->port_down_retry_count ==
7763             le16_to_cpu(nv->port_down_retry_count) &&
7764             ha->port_down_retry_count > 3)
7765                 ha->login_retry_count = ha->port_down_retry_count;
7766         else if (ha->port_down_retry_count > (int)ha->login_retry_count)
7767                 ha->login_retry_count = ha->port_down_retry_count;
7768         if (ql2xloginretrycount)
7769                 ha->login_retry_count = ql2xloginretrycount;
7770
7771         /* N2N: driver will initiate Login instead of FW */
7772         icb->firmware_options_3 |= cpu_to_le32(BIT_8);
7773
7774         /* Enable ZIO. */
7775         if (!vha->flags.init_done) {
7776                 ha->zio_mode = le32_to_cpu(icb->firmware_options_2) &
7777                     (BIT_3 | BIT_2 | BIT_1 | BIT_0);
7778                 ha->zio_timer = le16_to_cpu(icb->interrupt_delay_timer) ?
7779                     le16_to_cpu(icb->interrupt_delay_timer) : 2;
7780         }
7781         icb->firmware_options_2 &= cpu_to_le32(
7782             ~(BIT_3 | BIT_2 | BIT_1 | BIT_0));
7783         if (ha->zio_mode != QLA_ZIO_DISABLED) {
7784                 ha->zio_mode = QLA_ZIO_MODE_6;
7785
7786                 ql_log(ql_log_info, vha, 0x006f,
7787                     "ZIO mode %d enabled; timer delay (%d us).\n",
7788                     ha->zio_mode, ha->zio_timer * 100);
7789
7790                 icb->firmware_options_2 |= cpu_to_le32(
7791                     (uint32_t)ha->zio_mode);
7792                 icb->interrupt_delay_timer = cpu_to_le16(ha->zio_timer);
7793         }
7794
7795         if (rval) {
7796                 ql_log(ql_log_warn, vha, 0x0070,
7797                     "NVRAM configuration failed.\n");
7798         }
7799         return (rval);
7800 }
7801
7802 static void
7803 qla27xx_print_image(struct scsi_qla_host *vha, char *name,
7804     struct qla27xx_image_status *image_status)
7805 {
7806         ql_dbg(ql_dbg_init, vha, 0x018b,
7807             "%s %s: mask=%#02x gen=%#04x ver=%u.%u map=%#01x sum=%#08x sig=%#08x\n",
7808             name, "status",
7809             image_status->image_status_mask,
7810             le16_to_cpu(image_status->generation),
7811             image_status->ver_major,
7812             image_status->ver_minor,
7813             image_status->bitmap,
7814             le32_to_cpu(image_status->checksum),
7815             le32_to_cpu(image_status->signature));
7816 }
7817
7818 static bool
7819 qla28xx_check_aux_image_status_signature(
7820     struct qla27xx_image_status *image_status)
7821 {
7822         ulong signature = le32_to_cpu(image_status->signature);
7823
7824         return signature != QLA28XX_AUX_IMG_STATUS_SIGN;
7825 }
7826
7827 static bool
7828 qla27xx_check_image_status_signature(struct qla27xx_image_status *image_status)
7829 {
7830         ulong signature = le32_to_cpu(image_status->signature);
7831
7832         return
7833             signature != QLA27XX_IMG_STATUS_SIGN &&
7834             signature != QLA28XX_IMG_STATUS_SIGN;
7835 }
7836
7837 static ulong
7838 qla27xx_image_status_checksum(struct qla27xx_image_status *image_status)
7839 {
7840         __le32 *p = (__force __le32 *)image_status;
7841         uint n = sizeof(*image_status) / sizeof(*p);
7842         uint32_t sum = 0;
7843
7844         for ( ; n--; p++)
7845                 sum += le32_to_cpup(p);
7846
7847         return sum;
7848 }
7849
7850 static inline uint
7851 qla28xx_component_bitmask(struct qla27xx_image_status *aux, uint bitmask)
7852 {
7853         return aux->bitmap & bitmask ?
7854             QLA27XX_SECONDARY_IMAGE : QLA27XX_PRIMARY_IMAGE;
7855 }
7856
7857 static void
7858 qla28xx_component_status(
7859     struct active_regions *active_regions, struct qla27xx_image_status *aux)
7860 {
7861         active_regions->aux.board_config =
7862             qla28xx_component_bitmask(aux, QLA28XX_AUX_IMG_BOARD_CONFIG);
7863
7864         active_regions->aux.vpd_nvram =
7865             qla28xx_component_bitmask(aux, QLA28XX_AUX_IMG_VPD_NVRAM);
7866
7867         active_regions->aux.npiv_config_0_1 =
7868             qla28xx_component_bitmask(aux, QLA28XX_AUX_IMG_NPIV_CONFIG_0_1);
7869
7870         active_regions->aux.npiv_config_2_3 =
7871             qla28xx_component_bitmask(aux, QLA28XX_AUX_IMG_NPIV_CONFIG_2_3);
7872 }
7873
7874 static int
7875 qla27xx_compare_image_generation(
7876     struct qla27xx_image_status *pri_image_status,
7877     struct qla27xx_image_status *sec_image_status)
7878 {
7879         /* calculate generation delta as uint16 (this accounts for wrap) */
7880         int16_t delta =
7881             le16_to_cpu(pri_image_status->generation) -
7882             le16_to_cpu(sec_image_status->generation);
7883
7884         ql_dbg(ql_dbg_init, NULL, 0x0180, "generation delta = %d\n", delta);
7885
7886         return delta;
7887 }
7888
7889 void
7890 qla28xx_get_aux_images(
7891         struct scsi_qla_host *vha, struct active_regions *active_regions)
7892 {
7893         struct qla_hw_data *ha = vha->hw;
7894         struct qla27xx_image_status pri_aux_image_status, sec_aux_image_status;
7895         bool valid_pri_image = false, valid_sec_image = false;
7896         bool active_pri_image = false, active_sec_image = false;
7897
7898         if (!ha->flt_region_aux_img_status_pri) {
7899                 ql_dbg(ql_dbg_init, vha, 0x018a, "Primary aux image not addressed\n");
7900                 goto check_sec_image;
7901         }
7902
7903         qla24xx_read_flash_data(vha, (uint32_t *)&pri_aux_image_status,
7904             ha->flt_region_aux_img_status_pri,
7905             sizeof(pri_aux_image_status) >> 2);
7906         qla27xx_print_image(vha, "Primary aux image", &pri_aux_image_status);
7907
7908         if (qla28xx_check_aux_image_status_signature(&pri_aux_image_status)) {
7909                 ql_dbg(ql_dbg_init, vha, 0x018b,
7910                     "Primary aux image signature (%#x) not valid\n",
7911                     le32_to_cpu(pri_aux_image_status.signature));
7912                 goto check_sec_image;
7913         }
7914
7915         if (qla27xx_image_status_checksum(&pri_aux_image_status)) {
7916                 ql_dbg(ql_dbg_init, vha, 0x018c,
7917                     "Primary aux image checksum failed\n");
7918                 goto check_sec_image;
7919         }
7920
7921         valid_pri_image = true;
7922
7923         if (pri_aux_image_status.image_status_mask & 1) {
7924                 ql_dbg(ql_dbg_init, vha, 0x018d,
7925                     "Primary aux image is active\n");
7926                 active_pri_image = true;
7927         }
7928
7929 check_sec_image:
7930         if (!ha->flt_region_aux_img_status_sec) {
7931                 ql_dbg(ql_dbg_init, vha, 0x018a,
7932                     "Secondary aux image not addressed\n");
7933                 goto check_valid_image;
7934         }
7935
7936         qla24xx_read_flash_data(vha, (uint32_t *)&sec_aux_image_status,
7937             ha->flt_region_aux_img_status_sec,
7938             sizeof(sec_aux_image_status) >> 2);
7939         qla27xx_print_image(vha, "Secondary aux image", &sec_aux_image_status);
7940
7941         if (qla28xx_check_aux_image_status_signature(&sec_aux_image_status)) {
7942                 ql_dbg(ql_dbg_init, vha, 0x018b,
7943                     "Secondary aux image signature (%#x) not valid\n",
7944                     le32_to_cpu(sec_aux_image_status.signature));
7945                 goto check_valid_image;
7946         }
7947
7948         if (qla27xx_image_status_checksum(&sec_aux_image_status)) {
7949                 ql_dbg(ql_dbg_init, vha, 0x018c,
7950                     "Secondary aux image checksum failed\n");
7951                 goto check_valid_image;
7952         }
7953
7954         valid_sec_image = true;
7955
7956         if (sec_aux_image_status.image_status_mask & 1) {
7957                 ql_dbg(ql_dbg_init, vha, 0x018d,
7958                     "Secondary aux image is active\n");
7959                 active_sec_image = true;
7960         }
7961
7962 check_valid_image:
7963         if (valid_pri_image && active_pri_image &&
7964             valid_sec_image && active_sec_image) {
7965                 if (qla27xx_compare_image_generation(&pri_aux_image_status,
7966                     &sec_aux_image_status) >= 0) {
7967                         qla28xx_component_status(active_regions,
7968                             &pri_aux_image_status);
7969                 } else {
7970                         qla28xx_component_status(active_regions,
7971                             &sec_aux_image_status);
7972                 }
7973         } else if (valid_pri_image && active_pri_image) {
7974                 qla28xx_component_status(active_regions, &pri_aux_image_status);
7975         } else if (valid_sec_image && active_sec_image) {
7976                 qla28xx_component_status(active_regions, &sec_aux_image_status);
7977         }
7978
7979         ql_dbg(ql_dbg_init, vha, 0x018f,
7980             "aux images active: BCFG=%u VPD/NVR=%u NPIV0/1=%u NPIV2/3=%u\n",
7981             active_regions->aux.board_config,
7982             active_regions->aux.vpd_nvram,
7983             active_regions->aux.npiv_config_0_1,
7984             active_regions->aux.npiv_config_2_3);
7985 }
7986
7987 void
7988 qla27xx_get_active_image(struct scsi_qla_host *vha,
7989     struct active_regions *active_regions)
7990 {
7991         struct qla_hw_data *ha = vha->hw;
7992         struct qla27xx_image_status pri_image_status, sec_image_status;
7993         bool valid_pri_image = false, valid_sec_image = false;
7994         bool active_pri_image = false, active_sec_image = false;
7995
7996         if (!ha->flt_region_img_status_pri) {
7997                 ql_dbg(ql_dbg_init, vha, 0x018a, "Primary image not addressed\n");
7998                 goto check_sec_image;
7999         }
8000
8001         if (qla24xx_read_flash_data(vha, (uint32_t *)&pri_image_status,
8002             ha->flt_region_img_status_pri, sizeof(pri_image_status) >> 2) !=
8003             QLA_SUCCESS) {
8004                 WARN_ON_ONCE(true);
8005                 goto check_sec_image;
8006         }
8007         qla27xx_print_image(vha, "Primary image", &pri_image_status);
8008
8009         if (qla27xx_check_image_status_signature(&pri_image_status)) {
8010                 ql_dbg(ql_dbg_init, vha, 0x018b,
8011                     "Primary image signature (%#x) not valid\n",
8012                     le32_to_cpu(pri_image_status.signature));
8013                 goto check_sec_image;
8014         }
8015
8016         if (qla27xx_image_status_checksum(&pri_image_status)) {
8017                 ql_dbg(ql_dbg_init, vha, 0x018c,
8018                     "Primary image checksum failed\n");
8019                 goto check_sec_image;
8020         }
8021
8022         valid_pri_image = true;
8023
8024         if (pri_image_status.image_status_mask & 1) {
8025                 ql_dbg(ql_dbg_init, vha, 0x018d,
8026                     "Primary image is active\n");
8027                 active_pri_image = true;
8028         }
8029
8030 check_sec_image:
8031         if (!ha->flt_region_img_status_sec) {
8032                 ql_dbg(ql_dbg_init, vha, 0x018a, "Secondary image not addressed\n");
8033                 goto check_valid_image;
8034         }
8035
8036         qla24xx_read_flash_data(vha, (uint32_t *)(&sec_image_status),
8037             ha->flt_region_img_status_sec, sizeof(sec_image_status) >> 2);
8038         qla27xx_print_image(vha, "Secondary image", &sec_image_status);
8039
8040         if (qla27xx_check_image_status_signature(&sec_image_status)) {
8041                 ql_dbg(ql_dbg_init, vha, 0x018b,
8042                     "Secondary image signature (%#x) not valid\n",
8043                     le32_to_cpu(sec_image_status.signature));
8044                 goto check_valid_image;
8045         }
8046
8047         if (qla27xx_image_status_checksum(&sec_image_status)) {
8048                 ql_dbg(ql_dbg_init, vha, 0x018c,
8049                     "Secondary image checksum failed\n");
8050                 goto check_valid_image;
8051         }
8052
8053         valid_sec_image = true;
8054
8055         if (sec_image_status.image_status_mask & 1) {
8056                 ql_dbg(ql_dbg_init, vha, 0x018d,
8057                     "Secondary image is active\n");
8058                 active_sec_image = true;
8059         }
8060
8061 check_valid_image:
8062         if (valid_pri_image && active_pri_image)
8063                 active_regions->global = QLA27XX_PRIMARY_IMAGE;
8064
8065         if (valid_sec_image && active_sec_image) {
8066                 if (!active_regions->global ||
8067                     qla27xx_compare_image_generation(
8068                         &pri_image_status, &sec_image_status) < 0) {
8069                         active_regions->global = QLA27XX_SECONDARY_IMAGE;
8070                 }
8071         }
8072
8073         ql_dbg(ql_dbg_init, vha, 0x018f, "active image %s (%u)\n",
8074             active_regions->global == QLA27XX_DEFAULT_IMAGE ?
8075                 "default (boot/fw)" :
8076             active_regions->global == QLA27XX_PRIMARY_IMAGE ?
8077                 "primary" :
8078             active_regions->global == QLA27XX_SECONDARY_IMAGE ?
8079                 "secondary" : "invalid",
8080             active_regions->global);
8081 }
8082
8083 bool qla24xx_risc_firmware_invalid(uint32_t *dword)
8084 {
8085         return
8086             !(dword[4] | dword[5] | dword[6] | dword[7]) ||
8087             !(~dword[4] | ~dword[5] | ~dword[6] | ~dword[7]);
8088 }
8089
8090 static int
8091 qla24xx_load_risc_flash(scsi_qla_host_t *vha, uint32_t *srisc_addr,
8092     uint32_t faddr)
8093 {
8094         int rval;
8095         uint templates, segments, fragment;
8096         ulong i;
8097         uint j;
8098         ulong dlen;
8099         uint32_t *dcode;
8100         uint32_t risc_addr, risc_size, risc_attr = 0;
8101         struct qla_hw_data *ha = vha->hw;
8102         struct req_que *req = ha->req_q_map[0];
8103         struct fwdt *fwdt = ha->fwdt;
8104
8105         ql_dbg(ql_dbg_init, vha, 0x008b,
8106             "FW: Loading firmware from flash (%x).\n", faddr);
8107
8108         dcode = (uint32_t *)req->ring;
8109         qla24xx_read_flash_data(vha, dcode, faddr, 8);
8110         if (qla24xx_risc_firmware_invalid(dcode)) {
8111                 ql_log(ql_log_fatal, vha, 0x008c,
8112                     "Unable to verify the integrity of flash firmware "
8113                     "image.\n");
8114                 ql_log(ql_log_fatal, vha, 0x008d,
8115                     "Firmware data: %08x %08x %08x %08x.\n",
8116                     dcode[0], dcode[1], dcode[2], dcode[3]);
8117
8118                 return QLA_FUNCTION_FAILED;
8119         }
8120
8121         dcode = (uint32_t *)req->ring;
8122         *srisc_addr = 0;
8123         segments = FA_RISC_CODE_SEGMENTS;
8124         for (j = 0; j < segments; j++) {
8125                 ql_dbg(ql_dbg_init, vha, 0x008d,
8126                     "-> Loading segment %u...\n", j);
8127                 qla24xx_read_flash_data(vha, dcode, faddr, 10);
8128                 risc_addr = be32_to_cpu((__force __be32)dcode[2]);
8129                 risc_size = be32_to_cpu((__force __be32)dcode[3]);
8130                 if (!*srisc_addr) {
8131                         *srisc_addr = risc_addr;
8132                         risc_attr = be32_to_cpu((__force __be32)dcode[9]);
8133                 }
8134
8135                 dlen = ha->fw_transfer_size >> 2;
8136                 for (fragment = 0; risc_size; fragment++) {
8137                         if (dlen > risc_size)
8138                                 dlen = risc_size;
8139
8140                         ql_dbg(ql_dbg_init, vha, 0x008e,
8141                             "-> Loading fragment %u: %#x <- %#x (%#lx dwords)...\n",
8142                             fragment, risc_addr, faddr, dlen);
8143                         qla24xx_read_flash_data(vha, dcode, faddr, dlen);
8144                         for (i = 0; i < dlen; i++)
8145                                 dcode[i] = swab32(dcode[i]);
8146
8147                         rval = qla2x00_load_ram(vha, req->dma, risc_addr, dlen);
8148                         if (rval) {
8149                                 ql_log(ql_log_fatal, vha, 0x008f,
8150                                     "-> Failed load firmware fragment %u.\n",
8151                                     fragment);
8152                                 return QLA_FUNCTION_FAILED;
8153                         }
8154
8155                         faddr += dlen;
8156                         risc_addr += dlen;
8157                         risc_size -= dlen;
8158                 }
8159         }
8160
8161         if (!IS_QLA27XX(ha) && !IS_QLA28XX(ha))
8162                 return QLA_SUCCESS;
8163
8164         templates = (risc_attr & BIT_9) ? 2 : 1;
8165         ql_dbg(ql_dbg_init, vha, 0x0160, "-> templates = %u\n", templates);
8166         for (j = 0; j < templates; j++, fwdt++) {
8167                 vfree(fwdt->template);
8168                 fwdt->template = NULL;
8169                 fwdt->length = 0;
8170
8171                 dcode = (uint32_t *)req->ring;
8172                 qla24xx_read_flash_data(vha, dcode, faddr, 7);
8173                 risc_size = be32_to_cpu((__force __be32)dcode[2]);
8174                 ql_dbg(ql_dbg_init, vha, 0x0161,
8175                     "-> fwdt%u template array at %#x (%#x dwords)\n",
8176                     j, faddr, risc_size);
8177                 if (!risc_size || !~risc_size) {
8178                         ql_dbg(ql_dbg_init, vha, 0x0162,
8179                             "-> fwdt%u failed to read array\n", j);
8180                         goto failed;
8181                 }
8182
8183                 /* skip header and ignore checksum */
8184                 faddr += 7;
8185                 risc_size -= 8;
8186
8187                 ql_dbg(ql_dbg_init, vha, 0x0163,
8188                     "-> fwdt%u template allocate template %#x words...\n",
8189                     j, risc_size);
8190                 fwdt->template = vmalloc(risc_size * sizeof(*dcode));
8191                 if (!fwdt->template) {
8192                         ql_log(ql_log_warn, vha, 0x0164,
8193                             "-> fwdt%u failed allocate template.\n", j);
8194                         goto failed;
8195                 }
8196
8197                 dcode = fwdt->template;
8198                 qla24xx_read_flash_data(vha, dcode, faddr, risc_size);
8199
8200                 if (!qla27xx_fwdt_template_valid(dcode)) {
8201                         ql_log(ql_log_warn, vha, 0x0165,
8202                             "-> fwdt%u failed template validate\n", j);
8203                         goto failed;
8204                 }
8205
8206                 dlen = qla27xx_fwdt_template_size(dcode);
8207                 ql_dbg(ql_dbg_init, vha, 0x0166,
8208                     "-> fwdt%u template size %#lx bytes (%#lx words)\n",
8209                     j, dlen, dlen / sizeof(*dcode));
8210                 if (dlen > risc_size * sizeof(*dcode)) {
8211                         ql_log(ql_log_warn, vha, 0x0167,
8212                             "-> fwdt%u template exceeds array (%-lu bytes)\n",
8213                             j, dlen - risc_size * sizeof(*dcode));
8214                         goto failed;
8215                 }
8216
8217                 fwdt->length = dlen;
8218                 ql_dbg(ql_dbg_init, vha, 0x0168,
8219                     "-> fwdt%u loaded template ok\n", j);
8220
8221                 faddr += risc_size + 1;
8222         }
8223
8224         return QLA_SUCCESS;
8225
8226 failed:
8227         vfree(fwdt->template);
8228         fwdt->template = NULL;
8229         fwdt->length = 0;
8230
8231         return QLA_SUCCESS;
8232 }
8233
8234 #define QLA_FW_URL "http://ldriver.qlogic.com/firmware/"
8235
8236 int
8237 qla2x00_load_risc(scsi_qla_host_t *vha, uint32_t *srisc_addr)
8238 {
8239         int     rval;
8240         int     i, fragment;
8241         uint16_t *wcode;
8242         __be16   *fwcode;
8243         uint32_t risc_addr, risc_size, fwclen, wlen, *seg;
8244         struct fw_blob *blob;
8245         struct qla_hw_data *ha = vha->hw;
8246         struct req_que *req = ha->req_q_map[0];
8247
8248         /* Load firmware blob. */
8249         blob = qla2x00_request_firmware(vha);
8250         if (!blob) {
8251                 ql_log(ql_log_info, vha, 0x0083,
8252                     "Firmware image unavailable.\n");
8253                 ql_log(ql_log_info, vha, 0x0084,
8254                     "Firmware images can be retrieved from: "QLA_FW_URL ".\n");
8255                 return QLA_FUNCTION_FAILED;
8256         }
8257
8258         rval = QLA_SUCCESS;
8259
8260         wcode = (uint16_t *)req->ring;
8261         *srisc_addr = 0;
8262         fwcode = (__force __be16 *)blob->fw->data;
8263         fwclen = 0;
8264
8265         /* Validate firmware image by checking version. */
8266         if (blob->fw->size < 8 * sizeof(uint16_t)) {
8267                 ql_log(ql_log_fatal, vha, 0x0085,
8268                     "Unable to verify integrity of firmware image (%zd).\n",
8269                     blob->fw->size);
8270                 goto fail_fw_integrity;
8271         }
8272         for (i = 0; i < 4; i++)
8273                 wcode[i] = be16_to_cpu(fwcode[i + 4]);
8274         if ((wcode[0] == 0xffff && wcode[1] == 0xffff && wcode[2] == 0xffff &&
8275             wcode[3] == 0xffff) || (wcode[0] == 0 && wcode[1] == 0 &&
8276                 wcode[2] == 0 && wcode[3] == 0)) {
8277                 ql_log(ql_log_fatal, vha, 0x0086,
8278                     "Unable to verify integrity of firmware image.\n");
8279                 ql_log(ql_log_fatal, vha, 0x0087,
8280                     "Firmware data: %04x %04x %04x %04x.\n",
8281                     wcode[0], wcode[1], wcode[2], wcode[3]);
8282                 goto fail_fw_integrity;
8283         }
8284
8285         seg = blob->segs;
8286         while (*seg && rval == QLA_SUCCESS) {
8287                 risc_addr = *seg;
8288                 *srisc_addr = *srisc_addr == 0 ? *seg : *srisc_addr;
8289                 risc_size = be16_to_cpu(fwcode[3]);
8290
8291                 /* Validate firmware image size. */
8292                 fwclen += risc_size * sizeof(uint16_t);
8293                 if (blob->fw->size < fwclen) {
8294                         ql_log(ql_log_fatal, vha, 0x0088,
8295                             "Unable to verify integrity of firmware image "
8296                             "(%zd).\n", blob->fw->size);
8297                         goto fail_fw_integrity;
8298                 }
8299
8300                 fragment = 0;
8301                 while (risc_size > 0 && rval == QLA_SUCCESS) {
8302                         wlen = (uint16_t)(ha->fw_transfer_size >> 1);
8303                         if (wlen > risc_size)
8304                                 wlen = risc_size;
8305                         ql_dbg(ql_dbg_init, vha, 0x0089,
8306                             "Loading risc segment@ risc addr %x number of "
8307                             "words 0x%x.\n", risc_addr, wlen);
8308
8309                         for (i = 0; i < wlen; i++)
8310                                 wcode[i] = swab16((__force u32)fwcode[i]);
8311
8312                         rval = qla2x00_load_ram(vha, req->dma, risc_addr,
8313                             wlen);
8314                         if (rval) {
8315                                 ql_log(ql_log_fatal, vha, 0x008a,
8316                                     "Failed to load segment %d of firmware.\n",
8317                                     fragment);
8318                                 break;
8319                         }
8320
8321                         fwcode += wlen;
8322                         risc_addr += wlen;
8323                         risc_size -= wlen;
8324                         fragment++;
8325                 }
8326
8327                 /* Next segment. */
8328                 seg++;
8329         }
8330         return rval;
8331
8332 fail_fw_integrity:
8333         return QLA_FUNCTION_FAILED;
8334 }
8335
8336 static int
8337 qla24xx_load_risc_blob(scsi_qla_host_t *vha, uint32_t *srisc_addr)
8338 {
8339         int     rval;
8340         uint templates, segments, fragment;
8341         uint32_t *dcode;
8342         ulong dlen;
8343         uint32_t risc_addr, risc_size, risc_attr = 0;
8344         ulong i;
8345         uint j;
8346         struct fw_blob *blob;
8347         __be32 *fwcode;
8348         struct qla_hw_data *ha = vha->hw;
8349         struct req_que *req = ha->req_q_map[0];
8350         struct fwdt *fwdt = ha->fwdt;
8351
8352         ql_dbg(ql_dbg_init, vha, 0x0090,
8353             "-> FW: Loading via request-firmware.\n");
8354
8355         blob = qla2x00_request_firmware(vha);
8356         if (!blob) {
8357                 ql_log(ql_log_warn, vha, 0x0092,
8358                     "-> Firmware file not found.\n");
8359
8360                 return QLA_FUNCTION_FAILED;
8361         }
8362
8363         fwcode = (__force __be32 *)blob->fw->data;
8364         dcode = (__force uint32_t *)fwcode;
8365         if (qla24xx_risc_firmware_invalid(dcode)) {
8366                 ql_log(ql_log_fatal, vha, 0x0093,
8367                     "Unable to verify integrity of firmware image (%zd).\n",
8368                     blob->fw->size);
8369                 ql_log(ql_log_fatal, vha, 0x0095,
8370                     "Firmware data: %08x %08x %08x %08x.\n",
8371                     dcode[0], dcode[1], dcode[2], dcode[3]);
8372                 return QLA_FUNCTION_FAILED;
8373         }
8374
8375         dcode = (uint32_t *)req->ring;
8376         *srisc_addr = 0;
8377         segments = FA_RISC_CODE_SEGMENTS;
8378         for (j = 0; j < segments; j++) {
8379                 ql_dbg(ql_dbg_init, vha, 0x0096,
8380                     "-> Loading segment %u...\n", j);
8381                 risc_addr = be32_to_cpu(fwcode[2]);
8382                 risc_size = be32_to_cpu(fwcode[3]);
8383
8384                 if (!*srisc_addr) {
8385                         *srisc_addr = risc_addr;
8386                         risc_attr = be32_to_cpu(fwcode[9]);
8387                 }
8388
8389                 dlen = ha->fw_transfer_size >> 2;
8390                 for (fragment = 0; risc_size; fragment++) {
8391                         if (dlen > risc_size)
8392                                 dlen = risc_size;
8393
8394                         ql_dbg(ql_dbg_init, vha, 0x0097,
8395                             "-> Loading fragment %u: %#x <- %#x (%#lx words)...\n",
8396                             fragment, risc_addr,
8397                             (uint32_t)(fwcode - (typeof(fwcode))blob->fw->data),
8398                             dlen);
8399
8400                         for (i = 0; i < dlen; i++)
8401                                 dcode[i] = swab32((__force u32)fwcode[i]);
8402
8403                         rval = qla2x00_load_ram(vha, req->dma, risc_addr, dlen);
8404                         if (rval) {
8405                                 ql_log(ql_log_fatal, vha, 0x0098,
8406                                     "-> Failed load firmware fragment %u.\n",
8407                                     fragment);
8408                                 return QLA_FUNCTION_FAILED;
8409                         }
8410
8411                         fwcode += dlen;
8412                         risc_addr += dlen;
8413                         risc_size -= dlen;
8414                 }
8415         }
8416
8417         if (!IS_QLA27XX(ha) && !IS_QLA28XX(ha))
8418                 return QLA_SUCCESS;
8419
8420         templates = (risc_attr & BIT_9) ? 2 : 1;
8421         ql_dbg(ql_dbg_init, vha, 0x0170, "-> templates = %u\n", templates);
8422         for (j = 0; j < templates; j++, fwdt++) {
8423                 vfree(fwdt->template);
8424                 fwdt->template = NULL;
8425                 fwdt->length = 0;
8426
8427                 risc_size = be32_to_cpu(fwcode[2]);
8428                 ql_dbg(ql_dbg_init, vha, 0x0171,
8429                     "-> fwdt%u template array at %#x (%#x dwords)\n",
8430                     j, (uint32_t)((void *)fwcode - (void *)blob->fw->data),
8431                     risc_size);
8432                 if (!risc_size || !~risc_size) {
8433                         ql_dbg(ql_dbg_init, vha, 0x0172,
8434                             "-> fwdt%u failed to read array\n", j);
8435                         goto failed;
8436                 }
8437
8438                 /* skip header and ignore checksum */
8439                 fwcode += 7;
8440                 risc_size -= 8;
8441
8442                 ql_dbg(ql_dbg_init, vha, 0x0173,
8443                     "-> fwdt%u template allocate template %#x words...\n",
8444                     j, risc_size);
8445                 fwdt->template = vmalloc(risc_size * sizeof(*dcode));
8446                 if (!fwdt->template) {
8447                         ql_log(ql_log_warn, vha, 0x0174,
8448                             "-> fwdt%u failed allocate template.\n", j);
8449                         goto failed;
8450                 }
8451
8452                 dcode = fwdt->template;
8453                 for (i = 0; i < risc_size; i++)
8454                         dcode[i] = (__force u32)fwcode[i];
8455
8456                 if (!qla27xx_fwdt_template_valid(dcode)) {
8457                         ql_log(ql_log_warn, vha, 0x0175,
8458                             "-> fwdt%u failed template validate\n", j);
8459                         goto failed;
8460                 }
8461
8462                 dlen = qla27xx_fwdt_template_size(dcode);
8463                 ql_dbg(ql_dbg_init, vha, 0x0176,
8464                     "-> fwdt%u template size %#lx bytes (%#lx words)\n",
8465                     j, dlen, dlen / sizeof(*dcode));
8466                 if (dlen > risc_size * sizeof(*dcode)) {
8467                         ql_log(ql_log_warn, vha, 0x0177,
8468                             "-> fwdt%u template exceeds array (%-lu bytes)\n",
8469                             j, dlen - risc_size * sizeof(*dcode));
8470                         goto failed;
8471                 }
8472
8473                 fwdt->length = dlen;
8474                 ql_dbg(ql_dbg_init, vha, 0x0178,
8475                     "-> fwdt%u loaded template ok\n", j);
8476
8477                 fwcode += risc_size + 1;
8478         }
8479
8480         return QLA_SUCCESS;
8481
8482 failed:
8483         vfree(fwdt->template);
8484         fwdt->template = NULL;
8485         fwdt->length = 0;
8486
8487         return QLA_SUCCESS;
8488 }
8489
8490 int
8491 qla24xx_load_risc(scsi_qla_host_t *vha, uint32_t *srisc_addr)
8492 {
8493         int rval;
8494
8495         if (ql2xfwloadbin == 1)
8496                 return qla81xx_load_risc(vha, srisc_addr);
8497
8498         /*
8499          * FW Load priority:
8500          * 1) Firmware via request-firmware interface (.bin file).
8501          * 2) Firmware residing in flash.
8502          */
8503         rval = qla24xx_load_risc_blob(vha, srisc_addr);
8504         if (rval == QLA_SUCCESS)
8505                 return rval;
8506
8507         return qla24xx_load_risc_flash(vha, srisc_addr,
8508             vha->hw->flt_region_fw);
8509 }
8510
8511 int
8512 qla81xx_load_risc(scsi_qla_host_t *vha, uint32_t *srisc_addr)
8513 {
8514         int rval;
8515         struct qla_hw_data *ha = vha->hw;
8516         struct active_regions active_regions = { };
8517
8518         if (ql2xfwloadbin == 2)
8519                 goto try_blob_fw;
8520
8521         /* FW Load priority:
8522          * 1) Firmware residing in flash.
8523          * 2) Firmware via request-firmware interface (.bin file).
8524          * 3) Golden-Firmware residing in flash -- (limited operation).
8525          */
8526
8527         if (!IS_QLA27XX(ha) && !IS_QLA28XX(ha))
8528                 goto try_primary_fw;
8529
8530         qla27xx_get_active_image(vha, &active_regions);
8531
8532         if (active_regions.global != QLA27XX_SECONDARY_IMAGE)
8533                 goto try_primary_fw;
8534
8535         ql_dbg(ql_dbg_init, vha, 0x008b,
8536             "Loading secondary firmware image.\n");
8537         rval = qla24xx_load_risc_flash(vha, srisc_addr, ha->flt_region_fw_sec);
8538         if (!rval)
8539                 return rval;
8540
8541 try_primary_fw:
8542         ql_dbg(ql_dbg_init, vha, 0x008b,
8543             "Loading primary firmware image.\n");
8544         rval = qla24xx_load_risc_flash(vha, srisc_addr, ha->flt_region_fw);
8545         if (!rval)
8546                 return rval;
8547
8548 try_blob_fw:
8549         rval = qla24xx_load_risc_blob(vha, srisc_addr);
8550         if (!rval || !ha->flt_region_gold_fw)
8551                 return rval;
8552
8553         ql_log(ql_log_info, vha, 0x0099,
8554             "Attempting to fallback to golden firmware.\n");
8555         rval = qla24xx_load_risc_flash(vha, srisc_addr, ha->flt_region_gold_fw);
8556         if (rval)
8557                 return rval;
8558
8559         ql_log(ql_log_info, vha, 0x009a, "Need firmware flash update.\n");
8560         ha->flags.running_gold_fw = 1;
8561         return rval;
8562 }
8563
8564 void
8565 qla2x00_try_to_stop_firmware(scsi_qla_host_t *vha)
8566 {
8567         int ret, retries;
8568         struct qla_hw_data *ha = vha->hw;
8569
8570         if (ha->flags.pci_channel_io_perm_failure)
8571                 return;
8572         if (!IS_FWI2_CAPABLE(ha))
8573                 return;
8574         if (!ha->fw_major_version)
8575                 return;
8576         if (!ha->flags.fw_started)
8577                 return;
8578
8579         ret = qla2x00_stop_firmware(vha);
8580         for (retries = 5; ret != QLA_SUCCESS && ret != QLA_FUNCTION_TIMEOUT &&
8581             ret != QLA_INVALID_COMMAND && retries ; retries--) {
8582                 ha->isp_ops->reset_chip(vha);
8583                 if (ha->isp_ops->chip_diag(vha) != QLA_SUCCESS)
8584                         continue;
8585                 if (qla2x00_setup_chip(vha) != QLA_SUCCESS)
8586                         continue;
8587                 ql_log(ql_log_info, vha, 0x8015,
8588                     "Attempting retry of stop-firmware command.\n");
8589                 ret = qla2x00_stop_firmware(vha);
8590         }
8591
8592         QLA_FW_STOPPED(ha);
8593         ha->flags.fw_init_done = 0;
8594 }
8595
8596 int
8597 qla24xx_configure_vhba(scsi_qla_host_t *vha)
8598 {
8599         int rval = QLA_SUCCESS;
8600         int rval2;
8601         uint16_t mb[MAILBOX_REGISTER_COUNT];
8602         struct qla_hw_data *ha = vha->hw;
8603         struct scsi_qla_host *base_vha = pci_get_drvdata(ha->pdev);
8604
8605         if (!vha->vp_idx)
8606                 return -EINVAL;
8607
8608         rval = qla2x00_fw_ready(base_vha);
8609
8610         if (rval == QLA_SUCCESS) {
8611                 clear_bit(RESET_MARKER_NEEDED, &vha->dpc_flags);
8612                 qla2x00_marker(vha, ha->base_qpair, 0, 0, MK_SYNC_ALL);
8613         }
8614
8615         vha->flags.management_server_logged_in = 0;
8616
8617         /* Login to SNS first */
8618         rval2 = ha->isp_ops->fabric_login(vha, NPH_SNS, 0xff, 0xff, 0xfc, mb,
8619             BIT_1);
8620         if (rval2 != QLA_SUCCESS || mb[0] != MBS_COMMAND_COMPLETE) {
8621                 if (rval2 == QLA_MEMORY_ALLOC_FAILED)
8622                         ql_dbg(ql_dbg_init, vha, 0x0120,
8623                             "Failed SNS login: loop_id=%x, rval2=%d\n",
8624                             NPH_SNS, rval2);
8625                 else
8626                         ql_dbg(ql_dbg_init, vha, 0x0103,
8627                             "Failed SNS login: loop_id=%x mb[0]=%x mb[1]=%x "
8628                             "mb[2]=%x mb[6]=%x mb[7]=%x.\n",
8629                             NPH_SNS, mb[0], mb[1], mb[2], mb[6], mb[7]);
8630                 return (QLA_FUNCTION_FAILED);
8631         }
8632
8633         atomic_set(&vha->loop_down_timer, 0);
8634         atomic_set(&vha->loop_state, LOOP_UP);
8635         set_bit(LOOP_RESYNC_NEEDED, &vha->dpc_flags);
8636         set_bit(LOCAL_LOOP_UPDATE, &vha->dpc_flags);
8637         rval = qla2x00_loop_resync(base_vha);
8638
8639         return rval;
8640 }
8641
8642 /* 84XX Support **************************************************************/
8643
8644 static LIST_HEAD(qla_cs84xx_list);
8645 static DEFINE_MUTEX(qla_cs84xx_mutex);
8646
8647 static struct qla_chip_state_84xx *
8648 qla84xx_get_chip(struct scsi_qla_host *vha)
8649 {
8650         struct qla_chip_state_84xx *cs84xx;
8651         struct qla_hw_data *ha = vha->hw;
8652
8653         mutex_lock(&qla_cs84xx_mutex);
8654
8655         /* Find any shared 84xx chip. */
8656         list_for_each_entry(cs84xx, &qla_cs84xx_list, list) {
8657                 if (cs84xx->bus == ha->pdev->bus) {
8658                         kref_get(&cs84xx->kref);
8659                         goto done;
8660                 }
8661         }
8662
8663         cs84xx = kzalloc(sizeof(*cs84xx), GFP_KERNEL);
8664         if (!cs84xx)
8665                 goto done;
8666
8667         kref_init(&cs84xx->kref);
8668         spin_lock_init(&cs84xx->access_lock);
8669         mutex_init(&cs84xx->fw_update_mutex);
8670         cs84xx->bus = ha->pdev->bus;
8671
8672         list_add_tail(&cs84xx->list, &qla_cs84xx_list);
8673 done:
8674         mutex_unlock(&qla_cs84xx_mutex);
8675         return cs84xx;
8676 }
8677
8678 static void
8679 __qla84xx_chip_release(struct kref *kref)
8680 {
8681         struct qla_chip_state_84xx *cs84xx =
8682             container_of(kref, struct qla_chip_state_84xx, kref);
8683
8684         mutex_lock(&qla_cs84xx_mutex);
8685         list_del(&cs84xx->list);
8686         mutex_unlock(&qla_cs84xx_mutex);
8687         kfree(cs84xx);
8688 }
8689
8690 void
8691 qla84xx_put_chip(struct scsi_qla_host *vha)
8692 {
8693         struct qla_hw_data *ha = vha->hw;
8694
8695         if (ha->cs84xx)
8696                 kref_put(&ha->cs84xx->kref, __qla84xx_chip_release);
8697 }
8698
8699 static int
8700 qla84xx_init_chip(scsi_qla_host_t *vha)
8701 {
8702         int rval;
8703         uint16_t status[2];
8704         struct qla_hw_data *ha = vha->hw;
8705
8706         mutex_lock(&ha->cs84xx->fw_update_mutex);
8707
8708         rval = qla84xx_verify_chip(vha, status);
8709
8710         mutex_unlock(&ha->cs84xx->fw_update_mutex);
8711
8712         return rval != QLA_SUCCESS || status[0] ? QLA_FUNCTION_FAILED :
8713             QLA_SUCCESS;
8714 }
8715
8716 /* 81XX Support **************************************************************/
8717
8718 int
8719 qla81xx_nvram_config(scsi_qla_host_t *vha)
8720 {
8721         int   rval;
8722         struct init_cb_81xx *icb;
8723         struct nvram_81xx *nv;
8724         __le32 *dptr;
8725         uint8_t  *dptr1, *dptr2;
8726         uint32_t chksum;
8727         uint16_t cnt;
8728         struct qla_hw_data *ha = vha->hw;
8729         uint32_t faddr;
8730         struct active_regions active_regions = { };
8731
8732         rval = QLA_SUCCESS;
8733         icb = (struct init_cb_81xx *)ha->init_cb;
8734         nv = ha->nvram;
8735
8736         /* Determine NVRAM starting address. */
8737         ha->nvram_size = sizeof(*nv);
8738         ha->vpd_size = FA_NVRAM_VPD_SIZE;
8739         if (IS_P3P_TYPE(ha) || IS_QLA8031(ha))
8740                 ha->vpd_size = FA_VPD_SIZE_82XX;
8741
8742         if (IS_QLA28XX(ha) || IS_QLA27XX(ha))
8743                 qla28xx_get_aux_images(vha, &active_regions);
8744
8745         /* Get VPD data into cache */
8746         ha->vpd = ha->nvram + VPD_OFFSET;
8747
8748         faddr = ha->flt_region_vpd;
8749         if (IS_QLA28XX(ha)) {
8750                 if (active_regions.aux.vpd_nvram == QLA27XX_SECONDARY_IMAGE)
8751                         faddr = ha->flt_region_vpd_sec;
8752                 ql_dbg(ql_dbg_init, vha, 0x0110,
8753                     "Loading %s nvram image.\n",
8754                     active_regions.aux.vpd_nvram == QLA27XX_PRIMARY_IMAGE ?
8755                     "primary" : "secondary");
8756         }
8757         ha->isp_ops->read_optrom(vha, ha->vpd, faddr << 2, ha->vpd_size);
8758
8759         /* Get NVRAM data into cache and calculate checksum. */
8760         faddr = ha->flt_region_nvram;
8761         if (IS_QLA28XX(ha)) {
8762                 if (active_regions.aux.vpd_nvram == QLA27XX_SECONDARY_IMAGE)
8763                         faddr = ha->flt_region_nvram_sec;
8764         }
8765         ql_dbg(ql_dbg_init, vha, 0x0110,
8766             "Loading %s nvram image.\n",
8767             active_regions.aux.vpd_nvram == QLA27XX_PRIMARY_IMAGE ?
8768             "primary" : "secondary");
8769         ha->isp_ops->read_optrom(vha, ha->nvram, faddr << 2, ha->nvram_size);
8770
8771         dptr = (__force __le32 *)nv;
8772         for (cnt = 0, chksum = 0; cnt < ha->nvram_size >> 2; cnt++, dptr++)
8773                 chksum += le32_to_cpu(*dptr);
8774
8775         ql_dbg(ql_dbg_init + ql_dbg_buffer, vha, 0x0111,
8776             "Contents of NVRAM:\n");
8777         ql_dump_buffer(ql_dbg_init + ql_dbg_buffer, vha, 0x0112,
8778             nv, ha->nvram_size);
8779
8780         /* Bad NVRAM data, set defaults parameters. */
8781         if (chksum || memcmp("ISP ", nv->id, sizeof(nv->id)) ||
8782             le16_to_cpu(nv->nvram_version) < ICB_VERSION) {
8783                 /* Reset NVRAM data. */
8784                 ql_log(ql_log_info, vha, 0x0073,
8785                     "Inconsistent NVRAM checksum=%#x id=%.4s version=%#x.\n",
8786                     chksum, nv->id, le16_to_cpu(nv->nvram_version));
8787                 ql_dump_buffer(ql_dbg_init, vha, 0x0073, nv, sizeof(*nv));
8788                 ql_log(ql_log_info, vha, 0x0074,
8789                     "Falling back to functioning (yet invalid -- WWPN) "
8790                     "defaults.\n");
8791
8792                 /*
8793                  * Set default initialization control block.
8794                  */
8795                 memset(nv, 0, ha->nvram_size);
8796                 nv->nvram_version = cpu_to_le16(ICB_VERSION);
8797                 nv->version = cpu_to_le16(ICB_VERSION);
8798                 nv->frame_payload_size = cpu_to_le16(2048);
8799                 nv->execution_throttle = cpu_to_le16(0xFFFF);
8800                 nv->exchange_count = cpu_to_le16(0);
8801                 nv->port_name[0] = 0x21;
8802                 nv->port_name[1] = 0x00 + ha->port_no + 1;
8803                 nv->port_name[2] = 0x00;
8804                 nv->port_name[3] = 0xe0;
8805                 nv->port_name[4] = 0x8b;
8806                 nv->port_name[5] = 0x1c;
8807                 nv->port_name[6] = 0x55;
8808                 nv->port_name[7] = 0x86;
8809                 nv->node_name[0] = 0x20;
8810                 nv->node_name[1] = 0x00;
8811                 nv->node_name[2] = 0x00;
8812                 nv->node_name[3] = 0xe0;
8813                 nv->node_name[4] = 0x8b;
8814                 nv->node_name[5] = 0x1c;
8815                 nv->node_name[6] = 0x55;
8816                 nv->node_name[7] = 0x86;
8817                 nv->login_retry_count = cpu_to_le16(8);
8818                 nv->interrupt_delay_timer = cpu_to_le16(0);
8819                 nv->login_timeout = cpu_to_le16(0);
8820                 nv->firmware_options_1 =
8821                     cpu_to_le32(BIT_14|BIT_13|BIT_2|BIT_1);
8822                 nv->firmware_options_2 = cpu_to_le32(2 << 4);
8823                 nv->firmware_options_2 |= cpu_to_le32(BIT_12);
8824                 nv->firmware_options_3 = cpu_to_le32(2 << 13);
8825                 nv->host_p = cpu_to_le32(BIT_11|BIT_10);
8826                 nv->efi_parameters = cpu_to_le32(0);
8827                 nv->reset_delay = 5;
8828                 nv->max_luns_per_target = cpu_to_le16(128);
8829                 nv->port_down_retry_count = cpu_to_le16(30);
8830                 nv->link_down_timeout = cpu_to_le16(180);
8831                 nv->enode_mac[0] = 0x00;
8832                 nv->enode_mac[1] = 0xC0;
8833                 nv->enode_mac[2] = 0xDD;
8834                 nv->enode_mac[3] = 0x04;
8835                 nv->enode_mac[4] = 0x05;
8836                 nv->enode_mac[5] = 0x06 + ha->port_no + 1;
8837
8838                 rval = 1;
8839         }
8840
8841         if (IS_T10_PI_CAPABLE(ha))
8842                 nv->frame_payload_size &= cpu_to_le16(~7);
8843
8844         qlt_81xx_config_nvram_stage1(vha, nv);
8845
8846         /* Reset Initialization control block */
8847         memset(icb, 0, ha->init_cb_size);
8848
8849         /* Copy 1st segment. */
8850         dptr1 = (uint8_t *)icb;
8851         dptr2 = (uint8_t *)&nv->version;
8852         cnt = (uint8_t *)&icb->response_q_inpointer - (uint8_t *)&icb->version;
8853         while (cnt--)
8854                 *dptr1++ = *dptr2++;
8855
8856         icb->login_retry_count = nv->login_retry_count;
8857
8858         /* Copy 2nd segment. */
8859         dptr1 = (uint8_t *)&icb->interrupt_delay_timer;
8860         dptr2 = (uint8_t *)&nv->interrupt_delay_timer;
8861         cnt = (uint8_t *)&icb->reserved_5 -
8862             (uint8_t *)&icb->interrupt_delay_timer;
8863         while (cnt--)
8864                 *dptr1++ = *dptr2++;
8865
8866         memcpy(icb->enode_mac, nv->enode_mac, sizeof(icb->enode_mac));
8867         /* Some boards (with valid NVRAMs) still have NULL enode_mac!! */
8868         if (!memcmp(icb->enode_mac, "\0\0\0\0\0\0", sizeof(icb->enode_mac))) {
8869                 icb->enode_mac[0] = 0x00;
8870                 icb->enode_mac[1] = 0xC0;
8871                 icb->enode_mac[2] = 0xDD;
8872                 icb->enode_mac[3] = 0x04;
8873                 icb->enode_mac[4] = 0x05;
8874                 icb->enode_mac[5] = 0x06 + ha->port_no + 1;
8875         }
8876
8877         /* Use extended-initialization control block. */
8878         memcpy(ha->ex_init_cb, &nv->ex_version, sizeof(*ha->ex_init_cb));
8879         ha->frame_payload_size = le16_to_cpu(icb->frame_payload_size);
8880         /*
8881          * Setup driver NVRAM options.
8882          */
8883         qla2x00_set_model_info(vha, nv->model_name, sizeof(nv->model_name),
8884             "QLE8XXX");
8885
8886         qlt_81xx_config_nvram_stage2(vha, icb);
8887
8888         /* Use alternate WWN? */
8889         if (nv->host_p & cpu_to_le32(BIT_15)) {
8890                 memcpy(icb->node_name, nv->alternate_node_name, WWN_SIZE);
8891                 memcpy(icb->port_name, nv->alternate_port_name, WWN_SIZE);
8892         }
8893
8894         /* Prepare nodename */
8895         if ((icb->firmware_options_1 & cpu_to_le32(BIT_14)) == 0) {
8896                 /*
8897                  * Firmware will apply the following mask if the nodename was
8898                  * not provided.
8899                  */
8900                 memcpy(icb->node_name, icb->port_name, WWN_SIZE);
8901                 icb->node_name[0] &= 0xF0;
8902         }
8903
8904         if (IS_QLA28XX(ha) || IS_QLA27XX(ha)) {
8905                 if ((nv->enhanced_features & BIT_7) == 0)
8906                         ha->flags.scm_supported_a = 1;
8907         }
8908
8909         /* Set host adapter parameters. */
8910         ha->flags.disable_risc_code_load = 0;
8911         ha->flags.enable_lip_reset = 0;
8912         ha->flags.enable_lip_full_login =
8913             le32_to_cpu(nv->host_p) & BIT_10 ? 1 : 0;
8914         ha->flags.enable_target_reset =
8915             le32_to_cpu(nv->host_p) & BIT_11 ? 1 : 0;
8916         ha->flags.enable_led_scheme = 0;
8917         ha->flags.disable_serdes = le32_to_cpu(nv->host_p) & BIT_5 ? 1 : 0;
8918
8919         ha->operating_mode = (le32_to_cpu(icb->firmware_options_2) &
8920             (BIT_6 | BIT_5 | BIT_4)) >> 4;
8921
8922         /* save HBA serial number */
8923         ha->serial0 = icb->port_name[5];
8924         ha->serial1 = icb->port_name[6];
8925         ha->serial2 = icb->port_name[7];
8926         memcpy(vha->node_name, icb->node_name, WWN_SIZE);
8927         memcpy(vha->port_name, icb->port_name, WWN_SIZE);
8928
8929         icb->execution_throttle = cpu_to_le16(0xFFFF);
8930
8931         ha->retry_count = le16_to_cpu(nv->login_retry_count);
8932
8933         /* Set minimum login_timeout to 4 seconds. */
8934         if (le16_to_cpu(nv->login_timeout) < ql2xlogintimeout)
8935                 nv->login_timeout = cpu_to_le16(ql2xlogintimeout);
8936         if (le16_to_cpu(nv->login_timeout) < 4)
8937                 nv->login_timeout = cpu_to_le16(4);
8938         ha->login_timeout = le16_to_cpu(nv->login_timeout);
8939
8940         /* Set minimum RATOV to 100 tenths of a second. */
8941         ha->r_a_tov = 100;
8942
8943         ha->loop_reset_delay = nv->reset_delay;
8944
8945         /* Link Down Timeout = 0:
8946          *
8947          *      When Port Down timer expires we will start returning
8948          *      I/O's to OS with "DID_NO_CONNECT".
8949          *
8950          * Link Down Timeout != 0:
8951          *
8952          *       The driver waits for the link to come up after link down
8953          *       before returning I/Os to OS with "DID_NO_CONNECT".
8954          */
8955         if (le16_to_cpu(nv->link_down_timeout) == 0) {
8956                 ha->loop_down_abort_time =
8957                     (LOOP_DOWN_TIME - LOOP_DOWN_TIMEOUT);
8958         } else {
8959                 ha->link_down_timeout = le16_to_cpu(nv->link_down_timeout);
8960                 ha->loop_down_abort_time =
8961                     (LOOP_DOWN_TIME - ha->link_down_timeout);
8962         }
8963
8964         /* Need enough time to try and get the port back. */
8965         ha->port_down_retry_count = le16_to_cpu(nv->port_down_retry_count);
8966         if (qlport_down_retry)
8967                 ha->port_down_retry_count = qlport_down_retry;
8968
8969         /* Set login_retry_count */
8970         ha->login_retry_count  = le16_to_cpu(nv->login_retry_count);
8971         if (ha->port_down_retry_count ==
8972             le16_to_cpu(nv->port_down_retry_count) &&
8973             ha->port_down_retry_count > 3)
8974                 ha->login_retry_count = ha->port_down_retry_count;
8975         else if (ha->port_down_retry_count > (int)ha->login_retry_count)
8976                 ha->login_retry_count = ha->port_down_retry_count;
8977         if (ql2xloginretrycount)
8978                 ha->login_retry_count = ql2xloginretrycount;
8979
8980         /* if not running MSI-X we need handshaking on interrupts */
8981         if (!vha->hw->flags.msix_enabled &&
8982             (IS_QLA83XX(ha) || IS_QLA27XX(ha) || IS_QLA28XX(ha)))
8983                 icb->firmware_options_2 |= cpu_to_le32(BIT_22);
8984
8985         /* Enable ZIO. */
8986         if (!vha->flags.init_done) {
8987                 ha->zio_mode = le32_to_cpu(icb->firmware_options_2) &
8988                     (BIT_3 | BIT_2 | BIT_1 | BIT_0);
8989                 ha->zio_timer = le16_to_cpu(icb->interrupt_delay_timer) ?
8990                     le16_to_cpu(icb->interrupt_delay_timer) : 2;
8991         }
8992         icb->firmware_options_2 &= cpu_to_le32(
8993             ~(BIT_3 | BIT_2 | BIT_1 | BIT_0));
8994         vha->flags.process_response_queue = 0;
8995         if (ha->zio_mode != QLA_ZIO_DISABLED) {
8996                 ha->zio_mode = QLA_ZIO_MODE_6;
8997
8998                 ql_log(ql_log_info, vha, 0x0075,
8999                     "ZIO mode %d enabled; timer delay (%d us).\n",
9000                     ha->zio_mode,
9001                     ha->zio_timer * 100);
9002
9003                 icb->firmware_options_2 |= cpu_to_le32(
9004                     (uint32_t)ha->zio_mode);
9005                 icb->interrupt_delay_timer = cpu_to_le16(ha->zio_timer);
9006                 vha->flags.process_response_queue = 1;
9007         }
9008
9009          /* enable RIDA Format2 */
9010         icb->firmware_options_3 |= cpu_to_le32(BIT_0);
9011
9012         /* N2N: driver will initiate Login instead of FW */
9013         icb->firmware_options_3 |= cpu_to_le32(BIT_8);
9014
9015         /* Determine NVMe/FCP priority for target ports */
9016         ha->fc4_type_priority = qla2xxx_get_fc4_priority(vha);
9017
9018         if (rval) {
9019                 ql_log(ql_log_warn, vha, 0x0076,
9020                     "NVRAM configuration failed.\n");
9021         }
9022         return (rval);
9023 }
9024
9025 int
9026 qla82xx_restart_isp(scsi_qla_host_t *vha)
9027 {
9028         int status, rval;
9029         struct qla_hw_data *ha = vha->hw;
9030         struct scsi_qla_host *vp, *tvp;
9031         unsigned long flags;
9032
9033         status = qla2x00_init_rings(vha);
9034         if (!status) {
9035                 clear_bit(RESET_MARKER_NEEDED, &vha->dpc_flags);
9036                 ha->flags.chip_reset_done = 1;
9037
9038                 status = qla2x00_fw_ready(vha);
9039                 if (!status) {
9040                         /* Issue a marker after FW becomes ready. */
9041                         qla2x00_marker(vha, ha->base_qpair, 0, 0, MK_SYNC_ALL);
9042                         vha->flags.online = 1;
9043                         set_bit(LOOP_RESYNC_NEEDED, &vha->dpc_flags);
9044                 }
9045
9046                 /* if no cable then assume it's good */
9047                 if ((vha->device_flags & DFLG_NO_CABLE))
9048                         status = 0;
9049         }
9050
9051         if (!status) {
9052                 clear_bit(RESET_MARKER_NEEDED, &vha->dpc_flags);
9053
9054                 if (!atomic_read(&vha->loop_down_timer)) {
9055                         /*
9056                          * Issue marker command only when we are going
9057                          * to start the I/O .
9058                          */
9059                         vha->marker_needed = 1;
9060                 }
9061
9062                 ha->isp_ops->enable_intrs(ha);
9063
9064                 ha->isp_abort_cnt = 0;
9065                 clear_bit(ISP_ABORT_RETRY, &vha->dpc_flags);
9066
9067                 /* Update the firmware version */
9068                 status = qla82xx_check_md_needed(vha);
9069
9070                 if (ha->fce) {
9071                         ha->flags.fce_enabled = 1;
9072                         memset(ha->fce, 0,
9073                             fce_calc_size(ha->fce_bufs));
9074                         rval = qla2x00_enable_fce_trace(vha,
9075                             ha->fce_dma, ha->fce_bufs, ha->fce_mb,
9076                             &ha->fce_bufs);
9077                         if (rval) {
9078                                 ql_log(ql_log_warn, vha, 0x8001,
9079                                     "Unable to reinitialize FCE (%d).\n",
9080                                     rval);
9081                                 ha->flags.fce_enabled = 0;
9082                         }
9083                 }
9084
9085                 if (ha->eft) {
9086                         memset(ha->eft, 0, EFT_SIZE);
9087                         rval = qla2x00_enable_eft_trace(vha,
9088                             ha->eft_dma, EFT_NUM_BUFFERS);
9089                         if (rval) {
9090                                 ql_log(ql_log_warn, vha, 0x8010,
9091                                     "Unable to reinitialize EFT (%d).\n",
9092                                     rval);
9093                         }
9094                 }
9095         }
9096
9097         if (!status) {
9098                 ql_dbg(ql_dbg_taskm, vha, 0x8011,
9099                     "qla82xx_restart_isp succeeded.\n");
9100
9101                 spin_lock_irqsave(&ha->vport_slock, flags);
9102                 list_for_each_entry_safe(vp, tvp, &ha->vp_list, list) {
9103                         if (vp->vp_idx) {
9104                                 atomic_inc(&vp->vref_count);
9105                                 spin_unlock_irqrestore(&ha->vport_slock, flags);
9106
9107                                 qla2x00_vp_abort_isp(vp);
9108
9109                                 spin_lock_irqsave(&ha->vport_slock, flags);
9110                                 atomic_dec(&vp->vref_count);
9111                         }
9112                 }
9113                 spin_unlock_irqrestore(&ha->vport_slock, flags);
9114
9115         } else {
9116                 ql_log(ql_log_warn, vha, 0x8016,
9117                     "qla82xx_restart_isp **** FAILED ****.\n");
9118         }
9119
9120         return status;
9121 }
9122
9123 /*
9124  * qla24xx_get_fcp_prio
9125  *      Gets the fcp cmd priority value for the logged in port.
9126  *      Looks for a match of the port descriptors within
9127  *      each of the fcp prio config entries. If a match is found,
9128  *      the tag (priority) value is returned.
9129  *
9130  * Input:
9131  *      vha = scsi host structure pointer.
9132  *      fcport = port structure pointer.
9133  *
9134  * Return:
9135  *      non-zero (if found)
9136  *      -1 (if not found)
9137  *
9138  * Context:
9139  *      Kernel context
9140  */
9141 static int
9142 qla24xx_get_fcp_prio(scsi_qla_host_t *vha, fc_port_t *fcport)
9143 {
9144         int i, entries;
9145         uint8_t pid_match, wwn_match;
9146         int priority;
9147         uint32_t pid1, pid2;
9148         uint64_t wwn1, wwn2;
9149         struct qla_fcp_prio_entry *pri_entry;
9150         struct qla_hw_data *ha = vha->hw;
9151
9152         if (!ha->fcp_prio_cfg || !ha->flags.fcp_prio_enabled)
9153                 return -1;
9154
9155         priority = -1;
9156         entries = ha->fcp_prio_cfg->num_entries;
9157         pri_entry = &ha->fcp_prio_cfg->entry[0];
9158
9159         for (i = 0; i < entries; i++) {
9160                 pid_match = wwn_match = 0;
9161
9162                 if (!(pri_entry->flags & FCP_PRIO_ENTRY_VALID)) {
9163                         pri_entry++;
9164                         continue;
9165                 }
9166
9167                 /* check source pid for a match */
9168                 if (pri_entry->flags & FCP_PRIO_ENTRY_SPID_VALID) {
9169                         pid1 = pri_entry->src_pid & INVALID_PORT_ID;
9170                         pid2 = vha->d_id.b24 & INVALID_PORT_ID;
9171                         if (pid1 == INVALID_PORT_ID)
9172                                 pid_match++;
9173                         else if (pid1 == pid2)
9174                                 pid_match++;
9175                 }
9176
9177                 /* check destination pid for a match */
9178                 if (pri_entry->flags & FCP_PRIO_ENTRY_DPID_VALID) {
9179                         pid1 = pri_entry->dst_pid & INVALID_PORT_ID;
9180                         pid2 = fcport->d_id.b24 & INVALID_PORT_ID;
9181                         if (pid1 == INVALID_PORT_ID)
9182                                 pid_match++;
9183                         else if (pid1 == pid2)
9184                                 pid_match++;
9185                 }
9186
9187                 /* check source WWN for a match */
9188                 if (pri_entry->flags & FCP_PRIO_ENTRY_SWWN_VALID) {
9189                         wwn1 = wwn_to_u64(vha->port_name);
9190                         wwn2 = wwn_to_u64(pri_entry->src_wwpn);
9191                         if (wwn2 == (uint64_t)-1)
9192                                 wwn_match++;
9193                         else if (wwn1 == wwn2)
9194                                 wwn_match++;
9195                 }
9196
9197                 /* check destination WWN for a match */
9198                 if (pri_entry->flags & FCP_PRIO_ENTRY_DWWN_VALID) {
9199                         wwn1 = wwn_to_u64(fcport->port_name);
9200                         wwn2 = wwn_to_u64(pri_entry->dst_wwpn);
9201                         if (wwn2 == (uint64_t)-1)
9202                                 wwn_match++;
9203                         else if (wwn1 == wwn2)
9204                                 wwn_match++;
9205                 }
9206
9207                 if (pid_match == 2 || wwn_match == 2) {
9208                         /* Found a matching entry */
9209                         if (pri_entry->flags & FCP_PRIO_ENTRY_TAG_VALID)
9210                                 priority = pri_entry->tag;
9211                         break;
9212                 }
9213
9214                 pri_entry++;
9215         }
9216
9217         return priority;
9218 }
9219
9220 /*
9221  * qla24xx_update_fcport_fcp_prio
9222  *      Activates fcp priority for the logged in fc port
9223  *
9224  * Input:
9225  *      vha = scsi host structure pointer.
9226  *      fcp = port structure pointer.
9227  *
9228  * Return:
9229  *      QLA_SUCCESS or QLA_FUNCTION_FAILED
9230  *
9231  * Context:
9232  *      Kernel context.
9233  */
9234 int
9235 qla24xx_update_fcport_fcp_prio(scsi_qla_host_t *vha, fc_port_t *fcport)
9236 {
9237         int ret;
9238         int priority;
9239         uint16_t mb[5];
9240
9241         if (fcport->port_type != FCT_TARGET ||
9242             fcport->loop_id == FC_NO_LOOP_ID)
9243                 return QLA_FUNCTION_FAILED;
9244
9245         priority = qla24xx_get_fcp_prio(vha, fcport);
9246         if (priority < 0)
9247                 return QLA_FUNCTION_FAILED;
9248
9249         if (IS_P3P_TYPE(vha->hw)) {
9250                 fcport->fcp_prio = priority & 0xf;
9251                 return QLA_SUCCESS;
9252         }
9253
9254         ret = qla24xx_set_fcp_prio(vha, fcport->loop_id, priority, mb);
9255         if (ret == QLA_SUCCESS) {
9256                 if (fcport->fcp_prio != priority)
9257                         ql_dbg(ql_dbg_user, vha, 0x709e,
9258                             "Updated FCP_CMND priority - value=%d loop_id=%d "
9259                             "port_id=%02x%02x%02x.\n", priority,
9260                             fcport->loop_id, fcport->d_id.b.domain,
9261                             fcport->d_id.b.area, fcport->d_id.b.al_pa);
9262                 fcport->fcp_prio = priority & 0xf;
9263         } else
9264                 ql_dbg(ql_dbg_user, vha, 0x704f,
9265                     "Unable to update FCP_CMND priority - ret=0x%x for "
9266                     "loop_id=%d port_id=%02x%02x%02x.\n", ret, fcport->loop_id,
9267                     fcport->d_id.b.domain, fcport->d_id.b.area,
9268                     fcport->d_id.b.al_pa);
9269         return  ret;
9270 }
9271
9272 /*
9273  * qla24xx_update_all_fcp_prio
9274  *      Activates fcp priority for all the logged in ports
9275  *
9276  * Input:
9277  *      ha = adapter block pointer.
9278  *
9279  * Return:
9280  *      QLA_SUCCESS or QLA_FUNCTION_FAILED
9281  *
9282  * Context:
9283  *      Kernel context.
9284  */
9285 int
9286 qla24xx_update_all_fcp_prio(scsi_qla_host_t *vha)
9287 {
9288         int ret;
9289         fc_port_t *fcport;
9290
9291         ret = QLA_FUNCTION_FAILED;
9292         /* We need to set priority for all logged in ports */
9293         list_for_each_entry(fcport, &vha->vp_fcports, list)
9294                 ret = qla24xx_update_fcport_fcp_prio(vha, fcport);
9295
9296         return ret;
9297 }
9298
9299 struct qla_qpair *qla2xxx_create_qpair(struct scsi_qla_host *vha, int qos,
9300         int vp_idx, bool startqp)
9301 {
9302         int rsp_id = 0;
9303         int  req_id = 0;
9304         int i;
9305         struct qla_hw_data *ha = vha->hw;
9306         uint16_t qpair_id = 0;
9307         struct qla_qpair *qpair = NULL;
9308         struct qla_msix_entry *msix;
9309
9310         if (!(ha->fw_attributes & BIT_6) || !ha->flags.msix_enabled) {
9311                 ql_log(ql_log_warn, vha, 0x00181,
9312                     "FW/Driver is not multi-queue capable.\n");
9313                 return NULL;
9314         }
9315
9316         if (ql2xmqsupport || ql2xnvmeenable) {
9317                 qpair = kzalloc(sizeof(struct qla_qpair), GFP_KERNEL);
9318                 if (qpair == NULL) {
9319                         ql_log(ql_log_warn, vha, 0x0182,
9320                             "Failed to allocate memory for queue pair.\n");
9321                         return NULL;
9322                 }
9323
9324                 qpair->hw = vha->hw;
9325                 qpair->vha = vha;
9326                 qpair->qp_lock_ptr = &qpair->qp_lock;
9327                 spin_lock_init(&qpair->qp_lock);
9328                 qpair->use_shadow_reg = IS_SHADOW_REG_CAPABLE(ha) ? 1 : 0;
9329
9330                 /* Assign available que pair id */
9331                 mutex_lock(&ha->mq_lock);
9332                 qpair_id = find_first_zero_bit(ha->qpair_qid_map, ha->max_qpairs);
9333                 if (ha->num_qpairs >= ha->max_qpairs) {
9334                         mutex_unlock(&ha->mq_lock);
9335                         ql_log(ql_log_warn, vha, 0x0183,
9336                             "No resources to create additional q pair.\n");
9337                         goto fail_qid_map;
9338                 }
9339                 ha->num_qpairs++;
9340                 set_bit(qpair_id, ha->qpair_qid_map);
9341                 ha->queue_pair_map[qpair_id] = qpair;
9342                 qpair->id = qpair_id;
9343                 qpair->vp_idx = vp_idx;
9344                 qpair->fw_started = ha->flags.fw_started;
9345                 INIT_LIST_HEAD(&qpair->hints_list);
9346                 qpair->chip_reset = ha->base_qpair->chip_reset;
9347                 qpair->enable_class_2 = ha->base_qpair->enable_class_2;
9348                 qpair->enable_explicit_conf =
9349                     ha->base_qpair->enable_explicit_conf;
9350
9351                 for (i = 0; i < ha->msix_count; i++) {
9352                         msix = &ha->msix_entries[i];
9353                         if (msix->in_use)
9354                                 continue;
9355                         qpair->msix = msix;
9356                         ql_dbg(ql_dbg_multiq, vha, 0xc00f,
9357                             "Vector %x selected for qpair\n", msix->vector);
9358                         break;
9359                 }
9360                 if (!qpair->msix) {
9361                         ql_log(ql_log_warn, vha, 0x0184,
9362                             "Out of MSI-X vectors!.\n");
9363                         goto fail_msix;
9364                 }
9365
9366                 qpair->msix->in_use = 1;
9367                 list_add_tail(&qpair->qp_list_elem, &vha->qp_list);
9368                 qpair->pdev = ha->pdev;
9369                 if (IS_QLA27XX(ha) || IS_QLA83XX(ha) || IS_QLA28XX(ha))
9370                         qpair->reqq_start_iocbs = qla_83xx_start_iocbs;
9371
9372                 mutex_unlock(&ha->mq_lock);
9373
9374                 /* Create response queue first */
9375                 rsp_id = qla25xx_create_rsp_que(ha, 0, 0, 0, qpair, startqp);
9376                 if (!rsp_id) {
9377                         ql_log(ql_log_warn, vha, 0x0185,
9378                             "Failed to create response queue.\n");
9379                         goto fail_rsp;
9380                 }
9381
9382                 qpair->rsp = ha->rsp_q_map[rsp_id];
9383
9384                 /* Create request queue */
9385                 req_id = qla25xx_create_req_que(ha, 0, vp_idx, 0, rsp_id, qos,
9386                     startqp);
9387                 if (!req_id) {
9388                         ql_log(ql_log_warn, vha, 0x0186,
9389                             "Failed to create request queue.\n");
9390                         goto fail_req;
9391                 }
9392
9393                 qpair->req = ha->req_q_map[req_id];
9394                 qpair->rsp->req = qpair->req;
9395                 qpair->rsp->qpair = qpair;
9396                 /* init qpair to this cpu. Will adjust at run time. */
9397                 qla_cpu_update(qpair, smp_processor_id());
9398
9399                 if (IS_T10_PI_CAPABLE(ha) && ql2xenabledif) {
9400                         if (ha->fw_attributes & BIT_4)
9401                                 qpair->difdix_supported = 1;
9402                 }
9403
9404                 qpair->srb_mempool = mempool_create_slab_pool(SRB_MIN_REQ, srb_cachep);
9405                 if (!qpair->srb_mempool) {
9406                         ql_log(ql_log_warn, vha, 0xd036,
9407                             "Failed to create srb mempool for qpair %d\n",
9408                             qpair->id);
9409                         goto fail_mempool;
9410                 }
9411
9412                 /* Mark as online */
9413                 qpair->online = 1;
9414
9415                 if (!vha->flags.qpairs_available)
9416                         vha->flags.qpairs_available = 1;
9417
9418                 ql_dbg(ql_dbg_multiq, vha, 0xc00d,
9419                     "Request/Response queue pair created, id %d\n",
9420                     qpair->id);
9421                 ql_dbg(ql_dbg_init, vha, 0x0187,
9422                     "Request/Response queue pair created, id %d\n",
9423                     qpair->id);
9424         }
9425         return qpair;
9426
9427 fail_mempool:
9428 fail_req:
9429         qla25xx_delete_rsp_que(vha, qpair->rsp);
9430 fail_rsp:
9431         mutex_lock(&ha->mq_lock);
9432         qpair->msix->in_use = 0;
9433         list_del(&qpair->qp_list_elem);
9434         if (list_empty(&vha->qp_list))
9435                 vha->flags.qpairs_available = 0;
9436 fail_msix:
9437         ha->queue_pair_map[qpair_id] = NULL;
9438         clear_bit(qpair_id, ha->qpair_qid_map);
9439         ha->num_qpairs--;
9440         mutex_unlock(&ha->mq_lock);
9441 fail_qid_map:
9442         kfree(qpair);
9443         return NULL;
9444 }
9445
9446 int qla2xxx_delete_qpair(struct scsi_qla_host *vha, struct qla_qpair *qpair)
9447 {
9448         int ret = QLA_FUNCTION_FAILED;
9449         struct qla_hw_data *ha = qpair->hw;
9450
9451         qpair->delete_in_progress = 1;
9452
9453         ret = qla25xx_delete_req_que(vha, qpair->req);
9454         if (ret != QLA_SUCCESS)
9455                 goto fail;
9456
9457         ret = qla25xx_delete_rsp_que(vha, qpair->rsp);
9458         if (ret != QLA_SUCCESS)
9459                 goto fail;
9460
9461         mutex_lock(&ha->mq_lock);
9462         ha->queue_pair_map[qpair->id] = NULL;
9463         clear_bit(qpair->id, ha->qpair_qid_map);
9464         ha->num_qpairs--;
9465         list_del(&qpair->qp_list_elem);
9466         if (list_empty(&vha->qp_list)) {
9467                 vha->flags.qpairs_available = 0;
9468                 vha->flags.qpairs_req_created = 0;
9469                 vha->flags.qpairs_rsp_created = 0;
9470         }
9471         mempool_destroy(qpair->srb_mempool);
9472         kfree(qpair);
9473         mutex_unlock(&ha->mq_lock);
9474
9475         return QLA_SUCCESS;
9476 fail:
9477         return ret;
9478 }
9479
9480 uint64_t
9481 qla2x00_count_set_bits(uint32_t num)
9482 {
9483         /* Brian Kernighan's Algorithm */
9484         u64 count = 0;
9485
9486         while (num) {
9487                 num &= (num - 1);
9488                 count++;
9489         }
9490         return count;
9491 }
9492
9493 uint64_t
9494 qla2x00_get_num_tgts(scsi_qla_host_t *vha)
9495 {
9496         fc_port_t *f, *tf;
9497         u64 count = 0;
9498
9499         f = NULL;
9500         tf = NULL;
9501
9502         list_for_each_entry_safe(f, tf, &vha->vp_fcports, list) {
9503                 if (f->port_type != FCT_TARGET)
9504                         continue;
9505                 count++;
9506         }
9507         return count;
9508 }
9509
9510 int qla2xxx_reset_stats(struct Scsi_Host *host, u32 flags)
9511 {
9512         scsi_qla_host_t *vha = shost_priv(host);
9513         fc_port_t *fcport = NULL;
9514         unsigned long int_flags;
9515
9516         if (flags & QLA2XX_HW_ERROR)
9517                 vha->hw_err_cnt = 0;
9518         if (flags & QLA2XX_SHT_LNK_DWN)
9519                 vha->short_link_down_cnt = 0;
9520         if (flags & QLA2XX_INT_ERR)
9521                 vha->interface_err_cnt = 0;
9522         if (flags & QLA2XX_CMD_TIMEOUT)
9523                 vha->cmd_timeout_cnt = 0;
9524         if (flags & QLA2XX_RESET_CMD_ERR)
9525                 vha->reset_cmd_err_cnt = 0;
9526         if (flags & QLA2XX_TGT_SHT_LNK_DOWN) {
9527                 spin_lock_irqsave(&vha->hw->tgt.sess_lock, int_flags);
9528                 list_for_each_entry(fcport, &vha->vp_fcports, list) {
9529                         fcport->tgt_short_link_down_cnt = 0;
9530                         fcport->tgt_link_down_time = QLA2XX_MAX_LINK_DOWN_TIME;
9531                 }
9532                 spin_unlock_irqrestore(&vha->hw->tgt.sess_lock, int_flags);
9533         }
9534         vha->link_down_time = QLA2XX_MAX_LINK_DOWN_TIME;
9535         return 0;
9536 }
9537
9538 int qla2xxx_start_stats(struct Scsi_Host *host, u32 flags)
9539 {
9540         return qla2xxx_reset_stats(host, flags);
9541 }
9542
9543 int qla2xxx_stop_stats(struct Scsi_Host *host, u32 flags)
9544 {
9545         return qla2xxx_reset_stats(host, flags);
9546 }
9547
9548 int qla2xxx_get_ini_stats(struct Scsi_Host *host, u32 flags,
9549                           void *data, u64 size)
9550 {
9551         scsi_qla_host_t *vha = shost_priv(host);
9552         struct ql_vnd_host_stats_resp *resp = (struct ql_vnd_host_stats_resp *)data;
9553         struct ql_vnd_stats *rsp_data = &resp->stats;
9554         u64 ini_entry_count = 0;
9555         u64 i = 0;
9556         u64 entry_count = 0;
9557         u64 num_tgt = 0;
9558         u32 tmp_stat_type = 0;
9559         fc_port_t *fcport = NULL;
9560         unsigned long int_flags;
9561
9562         /* Copy stat type to work on it */
9563         tmp_stat_type = flags;
9564
9565         if (tmp_stat_type & BIT_17) {
9566                 num_tgt = qla2x00_get_num_tgts(vha);
9567                 /* unset BIT_17 */
9568                 tmp_stat_type &= ~(1 << 17);
9569         }
9570         ini_entry_count = qla2x00_count_set_bits(tmp_stat_type);
9571
9572         entry_count = ini_entry_count + num_tgt;
9573
9574         rsp_data->entry_count = entry_count;
9575
9576         i = 0;
9577         if (flags & QLA2XX_HW_ERROR) {
9578                 rsp_data->entry[i].stat_type = QLA2XX_HW_ERROR;
9579                 rsp_data->entry[i].tgt_num = 0x0;
9580                 rsp_data->entry[i].cnt = vha->hw_err_cnt;
9581                 i++;
9582         }
9583
9584         if (flags & QLA2XX_SHT_LNK_DWN) {
9585                 rsp_data->entry[i].stat_type = QLA2XX_SHT_LNK_DWN;
9586                 rsp_data->entry[i].tgt_num = 0x0;
9587                 rsp_data->entry[i].cnt = vha->short_link_down_cnt;
9588                 i++;
9589         }
9590
9591         if (flags & QLA2XX_INT_ERR) {
9592                 rsp_data->entry[i].stat_type = QLA2XX_INT_ERR;
9593                 rsp_data->entry[i].tgt_num = 0x0;
9594                 rsp_data->entry[i].cnt = vha->interface_err_cnt;
9595                 i++;
9596         }
9597
9598         if (flags & QLA2XX_CMD_TIMEOUT) {
9599                 rsp_data->entry[i].stat_type = QLA2XX_CMD_TIMEOUT;
9600                 rsp_data->entry[i].tgt_num = 0x0;
9601                 rsp_data->entry[i].cnt = vha->cmd_timeout_cnt;
9602                 i++;
9603         }
9604
9605         if (flags & QLA2XX_RESET_CMD_ERR) {
9606                 rsp_data->entry[i].stat_type = QLA2XX_RESET_CMD_ERR;
9607                 rsp_data->entry[i].tgt_num = 0x0;
9608                 rsp_data->entry[i].cnt = vha->reset_cmd_err_cnt;
9609                 i++;
9610         }
9611
9612         /* i will continue from previous loop, as target
9613          * entries are after initiator
9614          */
9615         if (flags & QLA2XX_TGT_SHT_LNK_DOWN) {
9616                 spin_lock_irqsave(&vha->hw->tgt.sess_lock, int_flags);
9617                 list_for_each_entry(fcport, &vha->vp_fcports, list) {
9618                         if (fcport->port_type != FCT_TARGET)
9619                                 continue;
9620                         if (!fcport->rport)
9621                                 continue;
9622                         rsp_data->entry[i].stat_type = QLA2XX_TGT_SHT_LNK_DOWN;
9623                         rsp_data->entry[i].tgt_num = fcport->rport->number;
9624                         rsp_data->entry[i].cnt = fcport->tgt_short_link_down_cnt;
9625                         i++;
9626                 }
9627                 spin_unlock_irqrestore(&vha->hw->tgt.sess_lock, int_flags);
9628         }
9629         resp->status = EXT_STATUS_OK;
9630
9631         return 0;
9632 }
9633
9634 int qla2xxx_get_tgt_stats(struct Scsi_Host *host, u32 flags,
9635                           struct fc_rport *rport, void *data, u64 size)
9636 {
9637         struct ql_vnd_tgt_stats_resp *tgt_data = data;
9638         fc_port_t *fcport = *(fc_port_t **)rport->dd_data;
9639
9640         tgt_data->status = 0;
9641         tgt_data->stats.entry_count = 1;
9642         tgt_data->stats.entry[0].stat_type = flags;
9643         tgt_data->stats.entry[0].tgt_num = rport->number;
9644         tgt_data->stats.entry[0].cnt = fcport->tgt_short_link_down_cnt;
9645
9646         return 0;
9647 }
9648
9649 int qla2xxx_disable_port(struct Scsi_Host *host)
9650 {
9651         scsi_qla_host_t *vha = shost_priv(host);
9652
9653         vha->hw->flags.port_isolated = 1;
9654
9655         if (qla2x00_chip_is_down(vha))
9656                 return 0;
9657
9658         if (vha->flags.online) {
9659                 qla2x00_abort_isp_cleanup(vha);
9660                 qla2x00_wait_for_sess_deletion(vha);
9661         }
9662
9663         return 0;
9664 }
9665
9666 int qla2xxx_enable_port(struct Scsi_Host *host)
9667 {
9668         scsi_qla_host_t *vha = shost_priv(host);
9669
9670         vha->hw->flags.port_isolated = 0;
9671         /* Set the flag to 1, so that isp_abort can proceed */
9672         vha->flags.online = 1;
9673         set_bit(ISP_ABORT_NEEDED, &vha->dpc_flags);
9674         qla2xxx_wake_dpc(vha);
9675
9676         return 0;
9677 }