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