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