drivers/scsi/qla2xxx/qla_init.c

   1 /*
   2  * QLogic Fibre Channel HBA Driver
   3  * Copyright (c)  2003-2014 QLogic Corporation
   4  *
   5  * See LICENSE.qla2xxx for copyright and licensing details.
   6  */
   7 #include "qla_def.h"
   8 #include "qla_gbl.h"
   9
  10 #include <linux/delay.h>
  11 #include <linux/slab.h>
  12 #include <linux/vmalloc.h>
  13
  14 #include "qla_devtbl.h"
  15
  16 #ifdef CONFIG_SPARC
  17 #include <asm/prom.h>
  18 #endif
  19
  20 #include <target/target_core_base.h>
  21 #include "qla_target.h"
  22
  23 /*
  24 *  QLogic ISP2x00 Hardware Support Function Prototypes.
  25 */
  26 static int qla2x00_isp_firmware(scsi_qla_host_t *);
  27 static int qla2x00_setup_chip(scsi_qla_host_t *);
  28 static int qla2x00_fw_ready(scsi_qla_host_t *);
  29 static int qla2x00_configure_hba(scsi_qla_host_t *);
  30 static int qla2x00_configure_loop(scsi_qla_host_t *);
  31 static int qla2x00_configure_local_loop(scsi_qla_host_t *);
  32 static int qla2x00_configure_fabric(scsi_qla_host_t *);
  33 static int qla2x00_find_all_fabric_devs(scsi_qla_host_t *);
  34 static int qla2x00_restart_isp(scsi_qla_host_t *);
  35
  36 static struct qla_chip_state_84xx *qla84xx_get_chip(struct scsi_qla_host *);
  37 static int qla84xx_init_chip(scsi_qla_host_t *);
  38 static int qla25xx_init_queues(struct qla_hw_data *);
  39 static int qla24xx_post_prli_work(struct scsi_qla_host*, fc_port_t *);
  40 static void qla24xx_handle_plogi_done_event(struct scsi_qla_host *,
  41     struct event_arg *);
  42 static void qla24xx_handle_prli_done_event(struct scsi_qla_host *,
  43     struct event_arg *);
  44 static void __qla24xx_handle_gpdb_event(scsi_qla_host_t *, struct event_arg *);
  45
  46 /* SRB Extensions ---------------------------------------------------------- */
  47
  48 void
  49 qla2x00_sp_timeout(struct timer_list *t)
  50 {
  51         srb_t *sp = from_timer(sp, t, u.iocb_cmd.timer);
  52         struct srb_iocb *iocb;
  53         struct req_que *req;
  54         unsigned long flags;
  55         struct qla_hw_data *ha = sp->vha->hw;
  56
  57         WARN_ON_ONCE(irqs_disabled());
  58         spin_lock_irqsave(&ha->hardware_lock, flags);
  59         req = sp->qpair->req;
  60         req->outstanding_cmds[sp->handle] = NULL;
  61         iocb = &sp->u.iocb_cmd;
  62         spin_unlock_irqrestore(&ha->hardware_lock, flags);
  63         iocb->timeout(sp);
  64 }
  65
  66 void
  67 qla2x00_sp_free(void *ptr)
  68 {
  69         srb_t *sp = ptr;
  70         struct srb_iocb *iocb = &sp->u.iocb_cmd;
  71
  72         del_timer(&iocb->timer);
  73         qla2x00_rel_sp(sp);
  74 }
  75
  76 /* Asynchronous Login/Logout Routines -------------------------------------- */
  77
  78 unsigned long
  79 qla2x00_get_async_timeout(struct scsi_qla_host *vha)
  80 {
  81         unsigned long tmo;
  82         struct qla_hw_data *ha = vha->hw;
  83
  84         /* Firmware should use switch negotiated r_a_tov for timeout. */
  85         tmo = ha->r_a_tov / 10 * 2;
  86         if (IS_QLAFX00(ha)) {
  87                 tmo = FX00_DEF_RATOV * 2;
  88         } else if (!IS_FWI2_CAPABLE(ha)) {
  89                 /*
  90                  * Except for earlier ISPs where the timeout is seeded from the
  91                  * initialization control block.
  92                  */
  93                 tmo = ha->login_timeout;
  94         }
  95         return tmo;
  96 }
  97
  98 void
  99 qla2x00_async_iocb_timeout(void *data)
 100 {
 101         srb_t *sp = data;
 102         fc_port_t *fcport = sp->fcport;
 103         struct srb_iocb *lio = &sp->u.iocb_cmd;
 104         int rc, h;
 105         unsigned long flags;
 106
 107         if (fcport) {
 108                 ql_dbg(ql_dbg_disc, fcport->vha, 0x2071,
 109                     "Async-%s timeout - hdl=%x portid=%06x %8phC.\n",
 110                     sp->name, sp->handle, fcport->d_id.b24, fcport->port_name);
 111
 112                 fcport->flags &= ~(FCF_ASYNC_SENT | FCF_ASYNC_ACTIVE);
 113         } else {
 114                 pr_info("Async-%s timeout - hdl=%x.\n",
 115                     sp->name, sp->handle);
 116         }
 117
 118         switch (sp->type) {
 119         case SRB_LOGIN_CMD:
 120                 rc = qla24xx_async_abort_cmd(sp, false);
 121                 if (rc) {
 122                         /* Retry as needed. */
 123                         lio->u.logio.data[0] = MBS_COMMAND_ERROR;
 124                         lio->u.logio.data[1] =
 125                                 lio->u.logio.flags & SRB_LOGIN_RETRIED ?
 126                                 QLA_LOGIO_LOGIN_RETRIED : 0;
 127                         spin_lock_irqsave(sp->qpair->qp_lock_ptr, flags);
 128                         for (h = 1; h < sp->qpair->req->num_outstanding_cmds;
 129                             h++) {
 130                                 if (sp->qpair->req->outstanding_cmds[h] ==
 131                                     sp) {
 132                                         sp->qpair->req->outstanding_cmds[h] =
 133                                             NULL;
 134                                         break;
 135                                 }
 136                         }
 137                         spin_unlock_irqrestore(sp->qpair->qp_lock_ptr, flags);
 138                         sp->done(sp, QLA_FUNCTION_TIMEOUT);
 139                 }
 140                 break;
 141         case SRB_LOGOUT_CMD:
 142         case SRB_CT_PTHRU_CMD:
 143         case SRB_MB_IOCB:
 144         case SRB_NACK_PLOGI:
 145         case SRB_NACK_PRLI:
 146         case SRB_NACK_LOGO:
 147         case SRB_CTRL_VP:
 148                 rc = qla24xx_async_abort_cmd(sp, false);
 149                 if (rc) {
 150                         spin_lock_irqsave(sp->qpair->qp_lock_ptr, flags);
 151                         for (h = 1; h < sp->qpair->req->num_outstanding_cmds;
 152                             h++) {
 153                                 if (sp->qpair->req->outstanding_cmds[h] ==
 154                                     sp) {
 155                                         sp->qpair->req->outstanding_cmds[h] =
 156                                             NULL;
 157                                         break;
 158                                 }
 159                         }
 160                         spin_unlock_irqrestore(sp->qpair->qp_lock_ptr, flags);
 161                         sp->done(sp, QLA_FUNCTION_TIMEOUT);
 162                 }
 163                 break;
 164         }
 165 }
 166
 167 static void
 168 qla2x00_async_login_sp_done(void *ptr, int res)
 169 {
 170         srb_t *sp = ptr;
 171         struct scsi_qla_host *vha = sp->vha;
 172         struct srb_iocb *lio = &sp->u.iocb_cmd;
 173         struct event_arg ea;
 174
 175         ql_dbg(ql_dbg_disc, vha, 0x20dd,
 176             "%s %8phC res %d \n", __func__, sp->fcport->port_name, res);
 177
 178         sp->fcport->flags &= ~(FCF_ASYNC_SENT | FCF_ASYNC_ACTIVE);
 179
 180         if (!test_bit(UNLOADING, &vha->dpc_flags)) {
 181                 memset(&ea, 0, sizeof(ea));
 182                 ea.event = FCME_PLOGI_DONE;
 183                 ea.fcport = sp->fcport;
 184                 ea.data[0] = lio->u.logio.data[0];
 185                 ea.data[1] = lio->u.logio.data[1];
 186                 ea.iop[0] = lio->u.logio.iop[0];
 187                 ea.iop[1] = lio->u.logio.iop[1];
 188                 ea.sp = sp;
 189                 qla2x00_fcport_event_handler(vha, &ea);
 190         }
 191
 192         sp->free(sp);
 193 }
 194
 195 static inline bool
 196 fcport_is_smaller(fc_port_t *fcport)
 197 {
 198         if (wwn_to_u64(fcport->port_name) <
 199             wwn_to_u64(fcport->vha->port_name))
 200                 return true;
 201         else
 202                 return false;
 203 }
 204
 205 static inline bool
 206 fcport_is_bigger(fc_port_t *fcport)
 207 {
 208         return !fcport_is_smaller(fcport);
 209 }
 210
 211 int
 212 qla2x00_async_login(struct scsi_qla_host *vha, fc_port_t *fcport,
 213     uint16_t *data)
 214 {
 215         srb_t *sp;
 216         struct srb_iocb *lio;
 217         int rval = QLA_FUNCTION_FAILED;
 218
 219         if (!vha->flags.online)
 220                 goto done;
 221
 222         sp = qla2x00_get_sp(vha, fcport, GFP_KERNEL);
 223         if (!sp)
 224                 goto done;
 225
 226         fcport->flags |= FCF_ASYNC_SENT;
 227         fcport->logout_completed = 0;
 228
 229         fcport->disc_state = DSC_LOGIN_PEND;
 230         sp->type = SRB_LOGIN_CMD;
 231         sp->name = "login";
 232         sp->gen1 = fcport->rscn_gen;
 233         sp->gen2 = fcport->login_gen;
 234
 235         lio = &sp->u.iocb_cmd;
 236         lio->timeout = qla2x00_async_iocb_timeout;
 237         qla2x00_init_timer(sp, qla2x00_get_async_timeout(vha) + 2);
 238
 239         sp->done = qla2x00_async_login_sp_done;
 240         if (N2N_TOPO(fcport->vha->hw) && fcport_is_bigger(fcport))
 241                 lio->u.logio.flags |= SRB_LOGIN_PRLI_ONLY;
 242         else
 243                 lio->u.logio.flags |= SRB_LOGIN_COND_PLOGI;
 244
 245         if (fcport->fc4f_nvme)
 246                 lio->u.logio.flags |= SRB_LOGIN_SKIP_PRLI;
 247
 248         ql_dbg(ql_dbg_disc, vha, 0x2072,
 249             "Async-login - %8phC hdl=%x, loopid=%x portid=%02x%02x%02x "
 250                 "retries=%d.\n", fcport->port_name, sp->handle, fcport->loop_id,
 251             fcport->d_id.b.domain, fcport->d_id.b.area, fcport->d_id.b.al_pa,
 252             fcport->login_retry);
 253
 254         rval = qla2x00_start_sp(sp);
 255         if (rval != QLA_SUCCESS) {
 256                 fcport->flags |= FCF_LOGIN_NEEDED;
 257                 set_bit(RELOGIN_NEEDED, &vha->dpc_flags);
 258                 goto done_free_sp;
 259         }
 260
 261         return rval;
 262
 263 done_free_sp:
 264         sp->free(sp);
 265         fcport->flags &= ~FCF_ASYNC_SENT;
 266 done:
 267         fcport->flags &= ~FCF_ASYNC_ACTIVE;
 268         return rval;
 269 }
 270
 271 static void
 272 qla2x00_async_logout_sp_done(void *ptr, int res)
 273 {
 274         srb_t *sp = ptr;
 275
 276         sp->fcport->flags &= ~(FCF_ASYNC_SENT | FCF_ASYNC_ACTIVE);
 277         sp->fcport->login_gen++;
 278         qlt_logo_completion_handler(sp->fcport, res);
 279         sp->free(sp);
 280 }
 281
 282 int
 283 qla2x00_async_logout(struct scsi_qla_host *vha, fc_port_t *fcport)
 284 {
 285         srb_t *sp;
 286         struct srb_iocb *lio;
 287         int rval = QLA_FUNCTION_FAILED;
 288
 289         if (!vha->flags.online || (fcport->flags & FCF_ASYNC_SENT))
 290                 return rval;
 291
 292         fcport->flags |= FCF_ASYNC_SENT;
 293         sp = qla2x00_get_sp(vha, fcport, GFP_KERNEL);
 294         if (!sp)
 295                 goto done;
 296
 297         sp->type = SRB_LOGOUT_CMD;
 298         sp->name = "logout";
 299
 300         lio = &sp->u.iocb_cmd;
 301         lio->timeout = qla2x00_async_iocb_timeout;
 302         qla2x00_init_timer(sp, qla2x00_get_async_timeout(vha) + 2);
 303
 304         sp->done = qla2x00_async_logout_sp_done;
 305
 306         ql_dbg(ql_dbg_disc, vha, 0x2070,
 307             "Async-logout - hdl=%x loop-id=%x portid=%02x%02x%02x %8phC.\n",
 308             sp->handle, fcport->loop_id, fcport->d_id.b.domain,
 309                 fcport->d_id.b.area, fcport->d_id.b.al_pa,
 310                 fcport->port_name);
 311
 312         rval = qla2x00_start_sp(sp);
 313         if (rval != QLA_SUCCESS)
 314                 goto done_free_sp;
 315         return rval;
 316
 317 done_free_sp:
 318         sp->free(sp);
 319 done:
 320         fcport->flags &= ~(FCF_ASYNC_SENT | FCF_ASYNC_ACTIVE);
 321         return rval;
 322 }
 323
 324 void
 325 qla2x00_async_prlo_done(struct scsi_qla_host *vha, fc_port_t *fcport,
 326     uint16_t *data)
 327 {
 328         fcport->flags &= ~FCF_ASYNC_ACTIVE;
 329         /* Don't re-login in target mode */
 330         if (!fcport->tgt_session)
 331                 qla2x00_mark_device_lost(vha, fcport, 1, 0);
 332         qlt_logo_completion_handler(fcport, data[0]);
 333 }
 334
 335 static void
 336 qla2x00_async_prlo_sp_done(void *s, int res)
 337 {
 338         srb_t *sp = (srb_t *)s;
 339         struct srb_iocb *lio = &sp->u.iocb_cmd;
 340         struct scsi_qla_host *vha = sp->vha;
 341
 342         sp->fcport->flags &= ~FCF_ASYNC_ACTIVE;
 343         if (!test_bit(UNLOADING, &vha->dpc_flags))
 344                 qla2x00_post_async_prlo_done_work(sp->fcport->vha, sp->fcport,
 345                     lio->u.logio.data);
 346         sp->free(sp);
 347 }
 348
 349 int
 350 qla2x00_async_prlo(struct scsi_qla_host *vha, fc_port_t *fcport)
 351 {
 352         srb_t *sp;
 353         struct srb_iocb *lio;
 354         int rval;
 355
 356         rval = QLA_FUNCTION_FAILED;
 357         sp = qla2x00_get_sp(vha, fcport, GFP_KERNEL);
 358         if (!sp)
 359                 goto done;
 360
 361         sp->type = SRB_PRLO_CMD;
 362         sp->name = "prlo";
 363
 364         lio = &sp->u.iocb_cmd;
 365         lio->timeout = qla2x00_async_iocb_timeout;
 366         qla2x00_init_timer(sp, qla2x00_get_async_timeout(vha) + 2);
 367
 368         sp->done = qla2x00_async_prlo_sp_done;
 369         rval = qla2x00_start_sp(sp);
 370         if (rval != QLA_SUCCESS)
 371                 goto done_free_sp;
 372
 373         ql_dbg(ql_dbg_disc, vha, 0x2070,
 374             "Async-prlo - hdl=%x loop-id=%x portid=%02x%02x%02x.\n",
 375             sp->handle, fcport->loop_id, fcport->d_id.b.domain,
 376             fcport->d_id.b.area, fcport->d_id.b.al_pa);
 377         return rval;
 378
 379 done_free_sp:
 380         sp->free(sp);
 381 done:
 382         fcport->flags &= ~FCF_ASYNC_ACTIVE;
 383         return rval;
 384 }
 385
 386 static
 387 void qla24xx_handle_adisc_event(scsi_qla_host_t *vha, struct event_arg *ea)
 388 {
 389         struct fc_port *fcport = ea->fcport;
 390
 391         ql_dbg(ql_dbg_disc, vha, 0x20d2,
 392             "%s %8phC DS %d LS %d rc %d login %d|%d rscn %d|%d lid %d\n",
 393             __func__, fcport->port_name, fcport->disc_state,
 394             fcport->fw_login_state, ea->rc, fcport->login_gen, ea->sp->gen2,
 395             fcport->rscn_gen, ea->sp->gen1, fcport->loop_id);
 396
 397         if (ea->data[0] != MBS_COMMAND_COMPLETE) {
 398                 ql_dbg(ql_dbg_disc, vha, 0x2066,
 399                     "%s %8phC: adisc fail: post delete\n",
 400                     __func__, ea->fcport->port_name);
 401                 /* deleted = 0 & logout_on_delete = force fw cleanup */
 402                 fcport->deleted = 0;
 403                 fcport->logout_on_delete = 1;
 404                 qlt_schedule_sess_for_deletion(ea->fcport);
 405                 return;
 406         }
 407
 408         if (ea->fcport->disc_state == DSC_DELETE_PEND)
 409                 return;
 410
 411         if (ea->sp->gen2 != ea->fcport->login_gen) {
 412                 /* target side must have changed it. */
 413                 ql_dbg(ql_dbg_disc, vha, 0x20d3,
 414                     "%s %8phC generation changed\n",
 415                     __func__, ea->fcport->port_name);
 416                 return;
 417         } else if (ea->sp->gen1 != ea->fcport->rscn_gen) {
 418                 qla_rscn_replay(fcport);
 419                 qlt_schedule_sess_for_deletion(fcport);
 420                 return;
 421         }
 422
 423         __qla24xx_handle_gpdb_event(vha, ea);
 424 }
 425
 426 static int qla_post_els_plogi_work(struct scsi_qla_host *vha, fc_port_t *fcport)
 427 {
 428         struct qla_work_evt *e;
 429
 430         e = qla2x00_alloc_work(vha, QLA_EVT_ELS_PLOGI);
 431         if (!e)
 432                 return QLA_FUNCTION_FAILED;
 433
 434         e->u.fcport.fcport = fcport;
 435         fcport->flags |= FCF_ASYNC_ACTIVE;
 436         return qla2x00_post_work(vha, e);
 437 }
 438
 439 static void
 440 qla2x00_async_adisc_sp_done(void *ptr, int res)
 441 {
 442         srb_t *sp = ptr;
 443         struct scsi_qla_host *vha = sp->vha;
 444         struct event_arg ea;
 445         struct srb_iocb *lio = &sp->u.iocb_cmd;
 446
 447         ql_dbg(ql_dbg_disc, vha, 0x2066,
 448             "Async done-%s res %x %8phC\n",
 449             sp->name, res, sp->fcport->port_name);
 450
 451         sp->fcport->flags &= ~(FCF_ASYNC_SENT | FCF_ASYNC_ACTIVE);
 452
 453         memset(&ea, 0, sizeof(ea));
 454         ea.event = FCME_ADISC_DONE;
 455         ea.rc = res;
 456         ea.data[0] = lio->u.logio.data[0];
 457         ea.data[1] = lio->u.logio.data[1];
 458         ea.iop[0] = lio->u.logio.iop[0];
 459         ea.iop[1] = lio->u.logio.iop[1];
 460         ea.fcport = sp->fcport;
 461         ea.sp = sp;
 462
 463         qla2x00_fcport_event_handler(vha, &ea);
 464
 465         sp->free(sp);
 466 }
 467
 468 int
 469 qla2x00_async_adisc(struct scsi_qla_host *vha, fc_port_t *fcport,
 470     uint16_t *data)
 471 {
 472         srb_t *sp;
 473         struct srb_iocb *lio;
 474         int rval;
 475
 476         rval = QLA_FUNCTION_FAILED;
 477         fcport->flags |= FCF_ASYNC_SENT;
 478         sp = qla2x00_get_sp(vha, fcport, GFP_KERNEL);
 479         if (!sp)
 480                 goto done;
 481
 482         sp->type = SRB_ADISC_CMD;
 483         sp->name = "adisc";
 484
 485         lio = &sp->u.iocb_cmd;
 486         lio->timeout = qla2x00_async_iocb_timeout;
 487         sp->gen1 = fcport->rscn_gen;
 488         sp->gen2 = fcport->login_gen;
 489         qla2x00_init_timer(sp, qla2x00_get_async_timeout(vha) + 2);
 490
 491         sp->done = qla2x00_async_adisc_sp_done;
 492         if (data[1] & QLA_LOGIO_LOGIN_RETRIED)
 493                 lio->u.logio.flags |= SRB_LOGIN_RETRIED;
 494
 495         ql_dbg(ql_dbg_disc, vha, 0x206f,
 496             "Async-adisc - hdl=%x loopid=%x portid=%06x %8phC.\n",
 497             sp->handle, fcport->loop_id, fcport->d_id.b24, fcport->port_name);
 498
 499         rval = qla2x00_start_sp(sp);
 500         if (rval != QLA_SUCCESS)
 501                 goto done_free_sp;
 502
 503         return rval;
 504
 505 done_free_sp:
 506         sp->free(sp);
 507 done:
 508         fcport->flags &= ~(FCF_ASYNC_SENT | FCF_ASYNC_ACTIVE);
 509         qla2x00_post_async_adisc_work(vha, fcport, data);
 510         return rval;
 511 }
 512
 513 static void qla24xx_handle_gnl_done_event(scsi_qla_host_t *vha,
 514         struct event_arg *ea)
 515 {
 516         fc_port_t *fcport, *conflict_fcport;
 517         struct get_name_list_extended *e;
 518         u16 i, n, found = 0, loop_id;
 519         port_id_t id;
 520         u64 wwn;
 521         u16 data[2];
 522         u8 current_login_state;
 523
 524         fcport = ea->fcport;
 525         ql_dbg(ql_dbg_disc, vha, 0xffff,
 526             "%s %8phC DS %d LS rc %d %d login %d|%d rscn %d|%d lid %d\n",
 527             __func__, fcport->port_name, fcport->disc_state,
 528             fcport->fw_login_state, ea->rc,
 529             fcport->login_gen, fcport->last_login_gen,
 530             fcport->rscn_gen, fcport->last_rscn_gen, vha->loop_id);
 531
 532         if (fcport->disc_state == DSC_DELETE_PEND)
 533                 return;
 534
 535         if (ea->rc) { /* rval */
 536                 if (fcport->login_retry == 0) {
 537                         ql_dbg(ql_dbg_disc, vha, 0x20de,
 538                             "GNL failed Port login retry %8phN, retry cnt=%d.\n",
 539                             fcport->port_name, fcport->login_retry);
 540                 }
 541                 return;
 542         }
 543
 544         if (fcport->last_rscn_gen != fcport->rscn_gen) {
 545                 qla_rscn_replay(fcport);
 546                 qlt_schedule_sess_for_deletion(fcport);
 547                 return;
 548         } else if (fcport->last_login_gen != fcport->login_gen) {
 549                 ql_dbg(ql_dbg_disc, vha, 0x20e0,
 550                     "%s %8phC login gen changed\n",
 551                     __func__, fcport->port_name);
 552                 return;
 553         }
 554
 555         n = ea->data[0] / sizeof(struct get_name_list_extended);
 556
 557         ql_dbg(ql_dbg_disc, vha, 0x20e1,
 558             "%s %d %8phC n %d %02x%02x%02x lid %d \n",
 559             __func__, __LINE__, fcport->port_name, n,
 560             fcport->d_id.b.domain, fcport->d_id.b.area,
 561             fcport->d_id.b.al_pa, fcport->loop_id);
 562
 563         for (i = 0; i < n; i++) {
 564                 e = &vha->gnl.l[i];
 565                 wwn = wwn_to_u64(e->port_name);
 566                 id.b.domain = e->port_id[2];
 567                 id.b.area = e->port_id[1];
 568                 id.b.al_pa = e->port_id[0];
 569                 id.b.rsvd_1 = 0;
 570
 571                 if (memcmp((u8 *)&wwn, fcport->port_name, WWN_SIZE))
 572                         continue;
 573
 574                 if (IS_SW_RESV_ADDR(id))
 575                         continue;
 576
 577                 found = 1;
 578
 579                 loop_id = le16_to_cpu(e->nport_handle);
 580                 loop_id = (loop_id & 0x7fff);
 581                 if  (fcport->fc4f_nvme)
 582                         current_login_state = e->current_login_state >> 4;
 583                 else
 584                         current_login_state = e->current_login_state & 0xf;
 585
 586
 587                 ql_dbg(ql_dbg_disc, vha, 0x20e2,
 588                     "%s found %8phC CLS [%x|%x] nvme %d ID[%02x%02x%02x|%02x%02x%02x] lid[%d|%d]\n",
 589                     __func__, fcport->port_name,
 590                     e->current_login_state, fcport->fw_login_state,
 591                     fcport->fc4f_nvme, id.b.domain, id.b.area, id.b.al_pa,
 592                     fcport->d_id.b.domain, fcport->d_id.b.area,
 593                     fcport->d_id.b.al_pa, loop_id, fcport->loop_id);
 594
 595                 switch (fcport->disc_state) {
 596                 case DSC_DELETE_PEND:
 597                 case DSC_DELETED:
 598                         break;
 599                 default:
 600                         if ((id.b24 != fcport->d_id.b24 &&
 601                             fcport->d_id.b24) ||
 602                             (fcport->loop_id != FC_NO_LOOP_ID &&
 603                                 fcport->loop_id != loop_id)) {
 604                                 ql_dbg(ql_dbg_disc, vha, 0x20e3,
 605                                     "%s %d %8phC post del sess\n",
 606                                     __func__, __LINE__, fcport->port_name);
 607                                 qlt_schedule_sess_for_deletion(fcport);
 608                                 return;
 609                         }
 610                         break;
 611                 }
 612
 613                 fcport->loop_id = loop_id;
 614
 615                 wwn = wwn_to_u64(fcport->port_name);
 616                 qlt_find_sess_invalidate_other(vha, wwn,
 617                         id, loop_id, &conflict_fcport);
 618
 619                 if (conflict_fcport) {
 620                         /*
 621                          * Another share fcport share the same loop_id &
 622                          * nport id. Conflict fcport needs to finish
 623                          * cleanup before this fcport can proceed to login.
 624                          */
 625                         conflict_fcport->conflict = fcport;
 626                         fcport->login_pause = 1;
 627                 }
 628
 629                 switch (vha->hw->current_topology) {
 630                 default:
 631                         switch (current_login_state) {
 632                         case DSC_LS_PRLI_COMP:
 633                                 ql_dbg(ql_dbg_disc + ql_dbg_verbose,
 634                                     vha, 0x20e4, "%s %d %8phC post gpdb\n",
 635                                     __func__, __LINE__, fcport->port_name);
 636
 637                                 if ((e->prli_svc_param_word_3[0] & BIT_4) == 0)
 638                                         fcport->port_type = FCT_INITIATOR;
 639                                 else
 640                                         fcport->port_type = FCT_TARGET;
 641                                 data[0] = data[1] = 0;
 642                                 qla2x00_post_async_adisc_work(vha, fcport,
 643                                     data);
 644                                 break;
 645                         case DSC_LS_PORT_UNAVAIL:
 646                         default:
 647                                 if (fcport->loop_id != FC_NO_LOOP_ID)
 648                                         qla2x00_clear_loop_id(fcport);
 649
 650                                 fcport->loop_id = loop_id;
 651                                 fcport->fw_login_state = DSC_LS_PORT_UNAVAIL;
 652                                 qla24xx_fcport_handle_login(vha, fcport);
 653                                 break;
 654                         }
 655                         break;
 656                 case ISP_CFG_N:
 657                         fcport->fw_login_state = current_login_state;
 658                         fcport->d_id = id;
 659                         switch (current_login_state) {
 660                         case DSC_LS_PRLI_COMP:
 661                                 if ((e->prli_svc_param_word_3[0] & BIT_4) == 0)
 662                                         fcport->port_type = FCT_INITIATOR;
 663                                 else
 664                                         fcport->port_type = FCT_TARGET;
 665
 666                                 data[0] = data[1] = 0;
 667                                 qla2x00_post_async_adisc_work(vha, fcport,
 668                                     data);
 669                                 break;
 670                         case DSC_LS_PLOGI_COMP:
 671                                 if (fcport_is_bigger(fcport)) {
 672                                         /* local adapter is smaller */
 673                                         if (fcport->loop_id != FC_NO_LOOP_ID)
 674                                                 qla2x00_clear_loop_id(fcport);
 675
 676                                         fcport->loop_id = loop_id;
 677                                         qla24xx_fcport_handle_login(vha,
 678                                             fcport);
 679                                         break;
 680                                 }
 681                                 /* fall through */
 682                         default:
 683                                 if (fcport_is_smaller(fcport)) {
 684                                         /* local adapter is bigger */
 685                                         if (fcport->loop_id != FC_NO_LOOP_ID)
 686                                                 qla2x00_clear_loop_id(fcport);
 687
 688                                         fcport->loop_id = loop_id;
 689                                         qla24xx_fcport_handle_login(vha,
 690                                             fcport);
 691                                 }
 692                                 break;
 693                         }
 694                         break;
 695                 } /* switch (ha->current_topology) */
 696         }
 697
 698         if (!found) {
 699                 switch (vha->hw->current_topology) {
 700                 case ISP_CFG_F:
 701                 case ISP_CFG_FL:
 702                         for (i = 0; i < n; i++) {
 703                                 e = &vha->gnl.l[i];
 704                                 id.b.domain = e->port_id[0];
 705                                 id.b.area = e->port_id[1];
 706                                 id.b.al_pa = e->port_id[2];
 707                                 id.b.rsvd_1 = 0;
 708                                 loop_id = le16_to_cpu(e->nport_handle);
 709
 710                                 if (fcport->d_id.b24 == id.b24) {
 711                                         conflict_fcport =
 712                                             qla2x00_find_fcport_by_wwpn(vha,
 713                                                 e->port_name, 0);
 714                                         if (conflict_fcport) {
 715                                                 ql_dbg(ql_dbg_disc + ql_dbg_verbose,
 716                                                     vha, 0x20e5,
 717                                                     "%s %d %8phC post del sess\n",
 718                                                     __func__, __LINE__,
 719                                                     conflict_fcport->port_name);
 720                                                 qlt_schedule_sess_for_deletion
 721                                                         (conflict_fcport);
 722                                         }
 723                                 }
 724                                 /*
 725                                  * FW already picked this loop id for
 726                                  * another fcport
 727                                  */
 728                                 if (fcport->loop_id == loop_id)
 729                                         fcport->loop_id = FC_NO_LOOP_ID;
 730                         }
 731                         qla24xx_fcport_handle_login(vha, fcport);
 732                         break;
 733                 case ISP_CFG_N:
 734                         fcport->disc_state = DSC_DELETED;
 735                         if (time_after_eq(jiffies, fcport->dm_login_expire)) {
 736                                 if (fcport->n2n_link_reset_cnt < 2) {
 737                                         fcport->n2n_link_reset_cnt++;
 738                                         /*
 739                                          * remote port is not sending PLOGI.
 740                                          * Reset link to kick start his state
 741                                          * machine
 742                                          */
 743                                         set_bit(N2N_LINK_RESET,
 744                                             &vha->dpc_flags);
 745                                 } else {
 746                                         if (fcport->n2n_chip_reset < 1) {
 747                                                 ql_log(ql_log_info, vha, 0x705d,
 748                                                     "Chip reset to bring laser down");
 749                                                 set_bit(ISP_ABORT_NEEDED,
 750                                                     &vha->dpc_flags);
 751                                                 fcport->n2n_chip_reset++;
 752                                         } else {
 753                                                 ql_log(ql_log_info, vha, 0x705d,
 754                                                     "Remote port %8ph is not coming back\n",
 755                                                     fcport->port_name);
 756                                                 fcport->scan_state = 0;
 757                                         }
 758                                 }
 759                                 qla2xxx_wake_dpc(vha);
 760                         } else {
 761                                 /*
 762                                  * report port suppose to do PLOGI. Give him
 763                                  * more time. FW will catch it.
 764                                  */
 765                                 set_bit(RELOGIN_NEEDED, &vha->dpc_flags);
 766                         }
 767                         break;
 768                 default:
 769                         break;
 770                 }
 771         }
 772 } /* gnl_event */
 773
 774 static void
 775 qla24xx_async_gnl_sp_done(void *s, int res)
 776 {
 777         struct srb *sp = s;
 778         struct scsi_qla_host *vha = sp->vha;
 779         unsigned long flags;
 780         struct fc_port *fcport = NULL, *tf;
 781         u16 i, n = 0, loop_id;
 782         struct event_arg ea;
 783         struct get_name_list_extended *e;
 784         u64 wwn;
 785         struct list_head h;
 786         bool found = false;
 787
 788         ql_dbg(ql_dbg_disc, vha, 0x20e7,
 789             "Async done-%s res %x mb[1]=%x mb[2]=%x \n",
 790             sp->name, res, sp->u.iocb_cmd.u.mbx.in_mb[1],
 791             sp->u.iocb_cmd.u.mbx.in_mb[2]);
 792
 793         if (res == QLA_FUNCTION_TIMEOUT)
 794                 return;
 795
 796         sp->fcport->flags &= ~(FCF_ASYNC_SENT|FCF_ASYNC_ACTIVE);
 797         memset(&ea, 0, sizeof(ea));
 798         ea.sp = sp;
 799         ea.rc = res;
 800         ea.event = FCME_GNL_DONE;
 801
 802         if (sp->u.iocb_cmd.u.mbx.in_mb[1] >=
 803             sizeof(struct get_name_list_extended)) {
 804                 n = sp->u.iocb_cmd.u.mbx.in_mb[1] /
 805                     sizeof(struct get_name_list_extended);
 806                 ea.data[0] = sp->u.iocb_cmd.u.mbx.in_mb[1]; /* amnt xfered */
 807         }
 808
 809         for (i = 0; i < n; i++) {
 810                 e = &vha->gnl.l[i];
 811                 loop_id = le16_to_cpu(e->nport_handle);
 812                 /* mask out reserve bit */
 813                 loop_id = (loop_id & 0x7fff);
 814                 set_bit(loop_id, vha->hw->loop_id_map);
 815                 wwn = wwn_to_u64(e->port_name);
 816
 817                 ql_dbg(ql_dbg_disc + ql_dbg_verbose, vha, 0x20e8,
 818                     "%s %8phC %02x:%02x:%02x state %d/%d lid %x \n",
 819                     __func__, (void *)&wwn, e->port_id[2], e->port_id[1],
 820                     e->port_id[0], e->current_login_state, e->last_login_state,
 821                     (loop_id & 0x7fff));
 822         }
 823
 824         spin_lock_irqsave(&vha->hw->tgt.sess_lock, flags);
 825
 826         INIT_LIST_HEAD(&h);
 827         fcport = tf = NULL;
 828         if (!list_empty(&vha->gnl.fcports))
 829                 list_splice_init(&vha->gnl.fcports, &h);
 830         spin_unlock_irqrestore(&vha->hw->tgt.sess_lock, flags);
 831
 832         list_for_each_entry_safe(fcport, tf, &h, gnl_entry) {
 833                 list_del_init(&fcport->gnl_entry);
 834                 spin_lock_irqsave(&vha->hw->tgt.sess_lock, flags);
 835                 fcport->flags &= ~(FCF_ASYNC_SENT | FCF_ASYNC_ACTIVE);
 836                 spin_unlock_irqrestore(&vha->hw->tgt.sess_lock, flags);
 837                 ea.fcport = fcport;
 838
 839                 qla2x00_fcport_event_handler(vha, &ea);
 840         }
 841
 842         /* create new fcport if fw has knowledge of new sessions */
 843         for (i = 0; i < n; i++) {
 844                 port_id_t id;
 845                 u64 wwnn;
 846
 847                 e = &vha->gnl.l[i];
 848                 wwn = wwn_to_u64(e->port_name);
 849
 850                 found = false;
 851                 list_for_each_entry_safe(fcport, tf, &vha->vp_fcports, list) {
 852                         if (!memcmp((u8 *)&wwn, fcport->port_name,
 853                             WWN_SIZE)) {
 854                                 found = true;
 855                                 break;
 856                         }
 857                 }
 858
 859                 id.b.domain = e->port_id[2];
 860                 id.b.area = e->port_id[1];
 861                 id.b.al_pa = e->port_id[0];
 862                 id.b.rsvd_1 = 0;
 863
 864                 if (!found && wwn && !IS_SW_RESV_ADDR(id)) {
 865                         ql_dbg(ql_dbg_disc, vha, 0x2065,
 866                             "%s %d %8phC %06x post new sess\n",
 867                             __func__, __LINE__, (u8 *)&wwn, id.b24);
 868                         wwnn = wwn_to_u64(e->node_name);
 869                         qla24xx_post_newsess_work(vha, &id, (u8 *)&wwn,
 870                             (u8 *)&wwnn, NULL, FC4_TYPE_UNKNOWN);
 871                 }
 872         }
 873
 874         spin_lock_irqsave(&vha->hw->tgt.sess_lock, flags);
 875         vha->gnl.sent = 0;
 876         spin_unlock_irqrestore(&vha->hw->tgt.sess_lock, flags);
 877
 878         sp->free(sp);
 879 }
 880
 881 int qla24xx_async_gnl(struct scsi_qla_host *vha, fc_port_t *fcport)
 882 {
 883         srb_t *sp;
 884         struct srb_iocb *mbx;
 885         int rval = QLA_FUNCTION_FAILED;
 886         unsigned long flags;
 887         u16 *mb;
 888
 889         if (!vha->flags.online || (fcport->flags & FCF_ASYNC_SENT))
 890                 return rval;
 891
 892         ql_dbg(ql_dbg_disc, vha, 0x20d9,
 893             "Async-gnlist WWPN %8phC \n", fcport->port_name);
 894
 895         spin_lock_irqsave(&vha->hw->tgt.sess_lock, flags);
 896         fcport->flags |= FCF_ASYNC_SENT;
 897         fcport->disc_state = DSC_GNL;
 898         fcport->last_rscn_gen = fcport->rscn_gen;
 899         fcport->last_login_gen = fcport->login_gen;
 900
 901         list_add_tail(&fcport->gnl_entry, &vha->gnl.fcports);
 902         if (vha->gnl.sent) {
 903                 spin_unlock_irqrestore(&vha->hw->tgt.sess_lock, flags);
 904                 return QLA_SUCCESS;
 905         }
 906         vha->gnl.sent = 1;
 907         spin_unlock_irqrestore(&vha->hw->tgt.sess_lock, flags);
 908
 909         sp = qla2x00_get_sp(vha, fcport, GFP_KERNEL);
 910         if (!sp)
 911                 goto done;
 912
 913         sp->type = SRB_MB_IOCB;
 914         sp->name = "gnlist";
 915         sp->gen1 = fcport->rscn_gen;
 916         sp->gen2 = fcport->login_gen;
 917
 918         mbx = &sp->u.iocb_cmd;
 919         mbx->timeout = qla2x00_async_iocb_timeout;
 920         qla2x00_init_timer(sp, qla2x00_get_async_timeout(vha)+2);
 921
 922         mb = sp->u.iocb_cmd.u.mbx.out_mb;
 923         mb[0] = MBC_PORT_NODE_NAME_LIST;
 924         mb[1] = BIT_2 | BIT_3;
 925         mb[2] = MSW(vha->gnl.ldma);
 926         mb[3] = LSW(vha->gnl.ldma);
 927         mb[6] = MSW(MSD(vha->gnl.ldma));
 928         mb[7] = LSW(MSD(vha->gnl.ldma));
 929         mb[8] = vha->gnl.size;
 930         mb[9] = vha->vp_idx;
 931
 932         sp->done = qla24xx_async_gnl_sp_done;
 933
 934         rval = qla2x00_start_sp(sp);
 935         if (rval != QLA_SUCCESS)
 936                 goto done_free_sp;
 937
 938         ql_dbg(ql_dbg_disc, vha, 0x20da,
 939             "Async-%s - OUT WWPN %8phC hndl %x\n",
 940             sp->name, fcport->port_name, sp->handle);
 941
 942         return rval;
 943
 944 done_free_sp:
 945         sp->free(sp);
 946         fcport->flags &= ~FCF_ASYNC_SENT;
 947 done:
 948         return rval;
 949 }
 950
 951 int qla24xx_post_gnl_work(struct scsi_qla_host *vha, fc_port_t *fcport)
 952 {
 953         struct qla_work_evt *e;
 954
 955         e = qla2x00_alloc_work(vha, QLA_EVT_GNL);
 956         if (!e)
 957                 return QLA_FUNCTION_FAILED;
 958
 959         e->u.fcport.fcport = fcport;
 960         fcport->flags |= FCF_ASYNC_ACTIVE;
 961         return qla2x00_post_work(vha, e);
 962 }
 963
 964 static
 965 void qla24xx_async_gpdb_sp_done(void *s, int res)
 966 {
 967         struct srb *sp = s;
 968         struct scsi_qla_host *vha = sp->vha;
 969         struct qla_hw_data *ha = vha->hw;
 970         fc_port_t *fcport = sp->fcport;
 971         u16 *mb = sp->u.iocb_cmd.u.mbx.in_mb;
 972         struct event_arg ea;
 973
 974         ql_dbg(ql_dbg_disc, vha, 0x20db,
 975             "Async done-%s res %x, WWPN %8phC mb[1]=%x mb[2]=%x \n",
 976             sp->name, res, fcport->port_name, mb[1], mb[2]);
 977
 978         if (res == QLA_FUNCTION_TIMEOUT) {
 979                 dma_pool_free(sp->vha->hw->s_dma_pool, sp->u.iocb_cmd.u.mbx.in,
 980                         sp->u.iocb_cmd.u.mbx.in_dma);
 981                 return;
 982         }
 983
 984         fcport->flags &= ~(FCF_ASYNC_SENT | FCF_ASYNC_ACTIVE);
 985         memset(&ea, 0, sizeof(ea));
 986         ea.event = FCME_GPDB_DONE;
 987         ea.fcport = fcport;
 988         ea.sp = sp;
 989
 990         qla2x00_fcport_event_handler(vha, &ea);
 991
 992         dma_pool_free(ha->s_dma_pool, sp->u.iocb_cmd.u.mbx.in,
 993                 sp->u.iocb_cmd.u.mbx.in_dma);
 994
 995         sp->free(sp);
 996 }
 997
 998 static int qla24xx_post_prli_work(struct scsi_qla_host *vha, fc_port_t *fcport)
 999 {
1000         struct qla_work_evt *e;
1001
1002         e = qla2x00_alloc_work(vha, QLA_EVT_PRLI);
1003         if (!e)
1004                 return QLA_FUNCTION_FAILED;
1005
1006         e->u.fcport.fcport = fcport;
1007
1008         return qla2x00_post_work(vha, e);
1009 }
1010
1011 static void
1012 qla2x00_async_prli_sp_done(void *ptr, int res)
1013 {
1014         srb_t *sp = ptr;
1015         struct scsi_qla_host *vha = sp->vha;
1016         struct srb_iocb *lio = &sp->u.iocb_cmd;
1017         struct event_arg ea;
1018
1019         ql_dbg(ql_dbg_disc, vha, 0x2129,
1020             "%s %8phC res %d \n", __func__,
1021             sp->fcport->port_name, res);
1022
1023         sp->fcport->flags &= ~FCF_ASYNC_SENT;
1024
1025         if (!test_bit(UNLOADING, &vha->dpc_flags)) {
1026                 memset(&ea, 0, sizeof(ea));
1027                 ea.event = FCME_PRLI_DONE;
1028                 ea.fcport = sp->fcport;
1029                 ea.data[0] = lio->u.logio.data[0];
1030                 ea.data[1] = lio->u.logio.data[1];
1031                 ea.iop[0] = lio->u.logio.iop[0];
1032                 ea.iop[1] = lio->u.logio.iop[1];
1033                 ea.sp = sp;
1034
1035                 qla2x00_fcport_event_handler(vha, &ea);
1036         }
1037
1038         sp->free(sp);
1039 }
1040
1041 int
1042 qla24xx_async_prli(struct scsi_qla_host *vha, fc_port_t *fcport)
1043 {
1044         srb_t *sp;
1045         struct srb_iocb *lio;
1046         int rval = QLA_FUNCTION_FAILED;
1047
1048         if (!vha->flags.online)
1049                 return rval;
1050
1051         if (fcport->fw_login_state == DSC_LS_PLOGI_PEND ||
1052             fcport->fw_login_state == DSC_LS_PRLI_PEND)
1053                 return rval;
1054
1055         sp = qla2x00_get_sp(vha, fcport, GFP_KERNEL);
1056         if (!sp)
1057                 return rval;
1058
1059         fcport->flags |= FCF_ASYNC_SENT;
1060         fcport->logout_completed = 0;
1061
1062         sp->type = SRB_PRLI_CMD;
1063         sp->name = "prli";
1064
1065         lio = &sp->u.iocb_cmd;
1066         lio->timeout = qla2x00_async_iocb_timeout;
1067         qla2x00_init_timer(sp, qla2x00_get_async_timeout(vha) + 2);
1068
1069         sp->done = qla2x00_async_prli_sp_done;
1070         lio->u.logio.flags = 0;
1071
1072         if  (fcport->fc4f_nvme)
1073                 lio->u.logio.flags |= SRB_LOGIN_NVME_PRLI;
1074
1075         rval = qla2x00_start_sp(sp);
1076         if (rval != QLA_SUCCESS) {
1077                 fcport->flags |= FCF_LOGIN_NEEDED;
1078                 set_bit(RELOGIN_NEEDED, &vha->dpc_flags);
1079                 goto done_free_sp;
1080         }
1081
1082         ql_dbg(ql_dbg_disc, vha, 0x211b,
1083             "Async-prli - %8phC hdl=%x, loopid=%x portid=%06x retries=%d %s.\n",
1084             fcport->port_name, sp->handle, fcport->loop_id, fcport->d_id.b24,
1085             fcport->login_retry, fcport->fc4f_nvme ? "nvme" : "fc");
1086
1087         return rval;
1088
1089 done_free_sp:
1090         sp->free(sp);
1091         fcport->flags &= ~FCF_ASYNC_SENT;
1092         return rval;
1093 }
1094
1095 int qla24xx_post_gpdb_work(struct scsi_qla_host *vha, fc_port_t *fcport, u8 opt)
1096 {
1097         struct qla_work_evt *e;
1098
1099         e = qla2x00_alloc_work(vha, QLA_EVT_GPDB);
1100         if (!e)
1101                 return QLA_FUNCTION_FAILED;
1102
1103         e->u.fcport.fcport = fcport;
1104         e->u.fcport.opt = opt;
1105         fcport->flags |= FCF_ASYNC_ACTIVE;
1106         return qla2x00_post_work(vha, e);
1107 }
1108
1109 int qla24xx_async_gpdb(struct scsi_qla_host *vha, fc_port_t *fcport, u8 opt)
1110 {
1111         srb_t *sp;
1112         struct srb_iocb *mbx;
1113         int rval = QLA_FUNCTION_FAILED;
1114         u16 *mb;
1115         dma_addr_t pd_dma;
1116         struct port_database_24xx *pd;
1117         struct qla_hw_data *ha = vha->hw;
1118
1119         if (!vha->flags.online || (fcport->flags & FCF_ASYNC_SENT))
1120                 return rval;
1121
1122         fcport->disc_state = DSC_GPDB;
1123
1124         sp = qla2x00_get_sp(vha, fcport, GFP_KERNEL);
1125         if (!sp)
1126                 goto done;
1127
1128         fcport->flags |= FCF_ASYNC_SENT;
1129         sp->type = SRB_MB_IOCB;
1130         sp->name = "gpdb";
1131         sp->gen1 = fcport->rscn_gen;
1132         sp->gen2 = fcport->login_gen;
1133
1134         mbx = &sp->u.iocb_cmd;
1135         mbx->timeout = qla2x00_async_iocb_timeout;
1136         qla2x00_init_timer(sp, qla2x00_get_async_timeout(vha) + 2);
1137
1138         pd = dma_pool_zalloc(ha->s_dma_pool, GFP_KERNEL, &pd_dma);
1139         if (pd == NULL) {
1140                 ql_log(ql_log_warn, vha, 0xd043,
1141                     "Failed to allocate port database structure.\n");
1142                 goto done_free_sp;
1143         }
1144
1145         mb = sp->u.iocb_cmd.u.mbx.out_mb;
1146         mb[0] = MBC_GET_PORT_DATABASE;
1147         mb[1] = fcport->loop_id;
1148         mb[2] = MSW(pd_dma);
1149         mb[3] = LSW(pd_dma);
1150         mb[6] = MSW(MSD(pd_dma));
1151         mb[7] = LSW(MSD(pd_dma));
1152         mb[9] = vha->vp_idx;
1153         mb[10] = opt;
1154
1155         mbx->u.mbx.in = (void *)pd;
1156         mbx->u.mbx.in_dma = pd_dma;
1157
1158         sp->done = qla24xx_async_gpdb_sp_done;
1159
1160         ql_dbg(ql_dbg_disc, vha, 0x20dc,
1161             "Async-%s %8phC hndl %x opt %x\n",
1162             sp->name, fcport->port_name, sp->handle, opt);
1163
1164         rval = qla2x00_start_sp(sp);
1165         if (rval != QLA_SUCCESS)
1166                 goto done_free_sp;
1167         return rval;
1168
1169 done_free_sp:
1170         if (pd)
1171                 dma_pool_free(ha->s_dma_pool, pd, pd_dma);
1172
1173         sp->free(sp);
1174         fcport->flags &= ~FCF_ASYNC_SENT;
1175 done:
1176         qla24xx_post_gpdb_work(vha, fcport, opt);
1177         return rval;
1178 }
1179
1180 static
1181 void __qla24xx_handle_gpdb_event(scsi_qla_host_t *vha, struct event_arg *ea)
1182 {
1183         unsigned long flags;
1184
1185         spin_lock_irqsave(&vha->hw->tgt.sess_lock, flags);
1186         ea->fcport->login_gen++;
1187         ea->fcport->deleted = 0;
1188         ea->fcport->logout_on_delete = 1;
1189
1190         if (!ea->fcport->login_succ && !IS_SW_RESV_ADDR(ea->fcport->d_id)) {
1191                 vha->fcport_count++;
1192                 ea->fcport->login_succ = 1;
1193
1194                 spin_unlock_irqrestore(&vha->hw->tgt.sess_lock, flags);
1195                 qla24xx_sched_upd_fcport(ea->fcport);
1196                 spin_lock_irqsave(&vha->hw->tgt.sess_lock, flags);
1197         } else if (ea->fcport->login_succ) {
1198                 /*
1199                  * We have an existing session. A late RSCN delivery
1200                  * must have triggered the session to be re-validate.
1201                  * Session is still valid.
1202                  */
1203                 ql_dbg(ql_dbg_disc, vha, 0x20d6,
1204                     "%s %d %8phC session revalidate success\n",
1205                     __func__, __LINE__, ea->fcport->port_name);
1206                 ea->fcport->disc_state = DSC_LOGIN_COMPLETE;
1207         }
1208         spin_unlock_irqrestore(&vha->hw->tgt.sess_lock, flags);
1209 }
1210
1211 static
1212 void qla24xx_handle_gpdb_event(scsi_qla_host_t *vha, struct event_arg *ea)
1213 {
1214         fc_port_t *fcport = ea->fcport;
1215         struct port_database_24xx *pd;
1216         struct srb *sp = ea->sp;
1217         uint8_t ls;
1218
1219         pd = (struct port_database_24xx *)sp->u.iocb_cmd.u.mbx.in;
1220
1221         fcport->flags &= ~FCF_ASYNC_SENT;
1222
1223         ql_dbg(ql_dbg_disc, vha, 0x20d2,
1224             "%s %8phC DS %d LS %d nvme %x rc %d\n", __func__, fcport->port_name,
1225             fcport->disc_state, pd->current_login_state, fcport->fc4f_nvme,
1226             ea->rc);
1227
1228         if (fcport->disc_state == DSC_DELETE_PEND)
1229                 return;
1230
1231         if (fcport->fc4f_nvme)
1232                 ls = pd->current_login_state >> 4;
1233         else
1234                 ls = pd->current_login_state & 0xf;
1235
1236         if (ea->sp->gen2 != fcport->login_gen) {
1237                 /* target side must have changed it. */
1238
1239                 ql_dbg(ql_dbg_disc, vha, 0x20d3,
1240                     "%s %8phC generation changed\n",
1241                     __func__, fcport->port_name);
1242                 return;
1243         } else if (ea->sp->gen1 != fcport->rscn_gen) {
1244                 qla_rscn_replay(fcport);
1245                 qlt_schedule_sess_for_deletion(fcport);
1246                 return;
1247         }
1248
1249         switch (ls) {
1250         case PDS_PRLI_COMPLETE:
1251                 __qla24xx_parse_gpdb(vha, fcport, pd);
1252                 break;
1253         case PDS_PLOGI_PENDING:
1254         case PDS_PLOGI_COMPLETE:
1255         case PDS_PRLI_PENDING:
1256         case PDS_PRLI2_PENDING:
1257                 /* Set discovery state back to GNL to Relogin attempt */
1258                 if (qla_dual_mode_enabled(vha) ||
1259                     qla_ini_mode_enabled(vha)) {
1260                         fcport->disc_state = DSC_GNL;
1261                         set_bit(RELOGIN_NEEDED, &vha->dpc_flags);
1262                 }
1263                 return;
1264         case PDS_LOGO_PENDING:
1265         case PDS_PORT_UNAVAILABLE:
1266         default:
1267                 ql_dbg(ql_dbg_disc, vha, 0x20d5, "%s %d %8phC post del sess\n",
1268                     __func__, __LINE__, fcport->port_name);
1269                 qlt_schedule_sess_for_deletion(fcport);
1270                 return;
1271         }
1272         __qla24xx_handle_gpdb_event(vha, ea);
1273 } /* gpdb event */
1274
1275 static void qla_chk_n2n_b4_login(struct scsi_qla_host *vha, fc_port_t *fcport)
1276 {
1277         u8 login = 0;
1278         int rc;
1279
1280         if (qla_tgt_mode_enabled(vha))
1281                 return;
1282
1283         if (qla_dual_mode_enabled(vha)) {
1284                 if (N2N_TOPO(vha->hw)) {
1285                         u64 mywwn, wwn;
1286
1287                         mywwn = wwn_to_u64(vha->port_name);
1288                         wwn = wwn_to_u64(fcport->port_name);
1289                         if (mywwn > wwn)
1290                                 login = 1;
1291                         else if ((fcport->fw_login_state == DSC_LS_PLOGI_COMP)
1292                             && time_after_eq(jiffies,
1293                                     fcport->plogi_nack_done_deadline))
1294                                 login = 1;
1295                 } else {
1296                         login = 1;
1297                 }
1298         } else {
1299                 /* initiator mode */
1300                 login = 1;
1301         }
1302
1303         if (login && fcport->login_retry) {
1304                 fcport->login_retry--;
1305                 if (fcport->loop_id == FC_NO_LOOP_ID) {
1306                         fcport->fw_login_state = DSC_LS_PORT_UNAVAIL;
1307                         rc = qla2x00_find_new_loop_id(vha, fcport);
1308                         if (rc) {
1309                                 ql_dbg(ql_dbg_disc, vha, 0x20e6,
1310                                     "%s %d %8phC post del sess - out of loopid\n",
1311                                     __func__, __LINE__, fcport->port_name);
1312                                 fcport->scan_state = 0;
1313                                 qlt_schedule_sess_for_deletion(fcport);
1314                                 return;
1315                         }
1316                 }
1317                 ql_dbg(ql_dbg_disc, vha, 0x20bf,
1318                     "%s %d %8phC post login\n",
1319                     __func__, __LINE__, fcport->port_name);
1320                 qla2x00_post_async_login_work(vha, fcport, NULL);
1321         }
1322 }
1323
1324 int qla24xx_fcport_handle_login(struct scsi_qla_host *vha, fc_port_t *fcport)
1325 {
1326         u16 data[2];
1327         u64 wwn;
1328         u16 sec;
1329
1330         ql_dbg(ql_dbg_disc + ql_dbg_verbose, vha, 0x20d8,
1331             "%s %8phC DS %d LS %d P %d fl %x confl %p rscn %d|%d login %d lid %d scan %d\n",
1332             __func__, fcport->port_name, fcport->disc_state,
1333             fcport->fw_login_state, fcport->login_pause, fcport->flags,
1334             fcport->conflict, fcport->last_rscn_gen, fcport->rscn_gen,
1335             fcport->login_gen, fcport->loop_id, fcport->scan_state);
1336
1337         if (fcport->scan_state != QLA_FCPORT_FOUND)
1338                 return 0;
1339
1340         if ((fcport->loop_id != FC_NO_LOOP_ID) &&
1341             ((fcport->fw_login_state == DSC_LS_PLOGI_PEND) ||
1342              (fcport->fw_login_state == DSC_LS_PRLI_PEND)))
1343                 return 0;
1344
1345         if (fcport->fw_login_state == DSC_LS_PLOGI_COMP) {
1346                 if (time_before_eq(jiffies, fcport->plogi_nack_done_deadline)) {
1347                         set_bit(RELOGIN_NEEDED, &vha->dpc_flags);
1348                         return 0;
1349                 }
1350         }
1351
1352         /* for pure Target Mode. Login will not be initiated */
1353         if (vha->host->active_mode == MODE_TARGET)
1354                 return 0;
1355
1356         if (fcport->flags & FCF_ASYNC_SENT) {
1357                 set_bit(RELOGIN_NEEDED, &vha->dpc_flags);
1358                 return 0;
1359         }
1360
1361         switch (fcport->disc_state) {
1362         case DSC_DELETED:
1363                 wwn = wwn_to_u64(fcport->node_name);
1364                 switch (vha->hw->current_topology) {
1365                 case ISP_CFG_N:
1366                         if (fcport_is_smaller(fcport)) {
1367                                 /* this adapter is bigger */
1368                                 if (fcport->login_retry) {
1369                                         if (fcport->loop_id == FC_NO_LOOP_ID) {
1370                                                 qla2x00_find_new_loop_id(vha,
1371                                                     fcport);
1372                                                 fcport->fw_login_state =
1373                                                     DSC_LS_PORT_UNAVAIL;
1374                                         }
1375                                         fcport->login_retry--;
1376                                         qla_post_els_plogi_work(vha, fcport);
1377                                 } else {
1378                                         ql_log(ql_log_info, vha, 0x705d,
1379                                             "Unable to reach remote port %8phC",
1380                                             fcport->port_name);
1381                                 }
1382                         } else {
1383                                 qla24xx_post_gnl_work(vha, fcport);
1384                         }
1385                         break;
1386                 default:
1387                         if (wwn == 0)    {
1388                                 ql_dbg(ql_dbg_disc, vha, 0xffff,
1389                                     "%s %d %8phC post GNNID\n",
1390                                     __func__, __LINE__, fcport->port_name);
1391                                 qla24xx_post_gnnid_work(vha, fcport);
1392                         } else if (fcport->loop_id == FC_NO_LOOP_ID) {
1393                                 ql_dbg(ql_dbg_disc, vha, 0x20bd,
1394                                     "%s %d %8phC post gnl\n",
1395                                     __func__, __LINE__, fcport->port_name);
1396                                 qla24xx_post_gnl_work(vha, fcport);
1397                         } else {
1398                                 qla_chk_n2n_b4_login(vha, fcport);
1399                         }
1400                         break;
1401                 }
1402                 break;
1403
1404         case DSC_GNL:
1405                 switch (vha->hw->current_topology) {
1406                 case ISP_CFG_N:
1407                         if ((fcport->current_login_state & 0xf) == 0x6) {
1408                                 ql_dbg(ql_dbg_disc, vha, 0x2118,
1409                                     "%s %d %8phC post GPDB work\n",
1410                                     __func__, __LINE__, fcport->port_name);
1411                                 fcport->chip_reset =
1412                                         vha->hw->base_qpair->chip_reset;
1413                                 qla24xx_post_gpdb_work(vha, fcport, 0);
1414                         }  else {
1415                                 ql_dbg(ql_dbg_disc, vha, 0x2118,
1416                                     "%s %d %8phC post NVMe PRLI\n",
1417                                     __func__, __LINE__, fcport->port_name);
1418                                 qla24xx_post_prli_work(vha, fcport);
1419                         }
1420                         break;
1421                 default:
1422                         if (fcport->login_pause) {
1423                                 fcport->last_rscn_gen = fcport->rscn_gen;
1424                                 fcport->last_login_gen = fcport->login_gen;
1425                                 set_bit(RELOGIN_NEEDED, &vha->dpc_flags);
1426                                 break;
1427                         }
1428                         qla_chk_n2n_b4_login(vha, fcport);
1429                         break;
1430                 }
1431                 break;
1432
1433         case DSC_LOGIN_FAILED:
1434                 if (N2N_TOPO(vha->hw))
1435                         qla_chk_n2n_b4_login(vha, fcport);
1436                 else
1437                         qlt_schedule_sess_for_deletion(fcport);
1438                 break;
1439
1440         case DSC_LOGIN_COMPLETE:
1441                 /* recheck login state */
1442                 data[0] = data[1] = 0;
1443                 qla2x00_post_async_adisc_work(vha, fcport, data);
1444                 break;
1445
1446         case DSC_LOGIN_PEND:
1447                 if (fcport->fw_login_state == DSC_LS_PLOGI_COMP)
1448                         qla24xx_post_prli_work(vha, fcport);
1449                 break;
1450
1451         case DSC_UPD_FCPORT:
1452                 sec =  jiffies_to_msecs(jiffies -
1453                     fcport->jiffies_at_registration)/1000;
1454                 if (fcport->sec_since_registration < sec && sec &&
1455                     !(sec % 60)) {
1456                         fcport->sec_since_registration = sec;
1457                         ql_dbg(ql_dbg_disc, fcport->vha, 0xffff,
1458                             "%s %8phC - Slow Rport registration(%d Sec)\n",
1459                             __func__, fcport->port_name, sec);
1460                 }
1461
1462                 if (fcport->next_disc_state != DSC_DELETE_PEND)
1463                         fcport->next_disc_state = DSC_ADISC;
1464                 set_bit(RELOGIN_NEEDED, &vha->dpc_flags);
1465                 break;
1466
1467         default:
1468                 break;
1469         }
1470
1471         return 0;
1472 }
1473
1474 static
1475 void qla24xx_handle_rscn_event(fc_port_t *fcport, struct event_arg *ea)
1476 {
1477         fcport->rscn_gen++;
1478
1479         ql_dbg(ql_dbg_disc, fcport->vha, 0x210c,
1480             "%s %8phC DS %d LS %d\n",
1481             __func__, fcport->port_name, fcport->disc_state,
1482             fcport->fw_login_state);
1483
1484         if (fcport->flags & FCF_ASYNC_SENT)
1485                 return;
1486
1487         switch (fcport->disc_state) {
1488         case DSC_DELETED:
1489         case DSC_LOGIN_COMPLETE:
1490                 qla24xx_post_gpnid_work(fcport->vha, &ea->id);
1491                 break;
1492         default:
1493                 break;
1494         }
1495 }
1496
1497 int qla24xx_post_newsess_work(struct scsi_qla_host *vha, port_id_t *id,
1498     u8 *port_name, u8 *node_name, void *pla, u8 fc4_type)
1499 {
1500         struct qla_work_evt *e;
1501         e = qla2x00_alloc_work(vha, QLA_EVT_NEW_SESS);
1502         if (!e)
1503                 return QLA_FUNCTION_FAILED;
1504
1505         e->u.new_sess.id = *id;
1506         e->u.new_sess.pla = pla;
1507         e->u.new_sess.fc4_type = fc4_type;
1508         memcpy(e->u.new_sess.port_name, port_name, WWN_SIZE);
1509         if (node_name)
1510                 memcpy(e->u.new_sess.node_name, node_name, WWN_SIZE);
1511
1512         return qla2x00_post_work(vha, e);
1513 }
1514
1515 static
1516 void qla24xx_handle_relogin_event(scsi_qla_host_t *vha,
1517         struct event_arg *ea)
1518 {
1519         fc_port_t *fcport = ea->fcport;
1520
1521         ql_dbg(ql_dbg_disc, vha, 0x2102,
1522             "%s %8phC DS %d LS %d P %d del %d cnfl %p rscn %d|%d login %d|%d fl %x\n",
1523             __func__, fcport->port_name, fcport->disc_state,
1524             fcport->fw_login_state, fcport->login_pause,
1525             fcport->deleted, fcport->conflict,
1526             fcport->last_rscn_gen, fcport->rscn_gen,
1527             fcport->last_login_gen, fcport->login_gen,
1528             fcport->flags);
1529
1530         if ((fcport->fw_login_state == DSC_LS_PLOGI_PEND) ||
1531             (fcport->fw_login_state == DSC_LS_PRLI_PEND))
1532                 return;
1533
1534         if (fcport->fw_login_state == DSC_LS_PLOGI_COMP) {
1535                 if (time_before_eq(jiffies, fcport->plogi_nack_done_deadline)) {
1536                         set_bit(RELOGIN_NEEDED, &vha->dpc_flags);
1537                         return;
1538                 }
1539         }
1540
1541         if (fcport->last_rscn_gen != fcport->rscn_gen) {
1542                 ql_dbg(ql_dbg_disc, vha, 0x20e9, "%s %d %8phC post gidpn\n",
1543                     __func__, __LINE__, fcport->port_name);
1544
1545                 return;
1546         }
1547
1548         qla24xx_fcport_handle_login(vha, fcport);
1549 }
1550
1551
1552 static void qla_handle_els_plogi_done(scsi_qla_host_t *vha,
1553                                       struct event_arg *ea)
1554 {
1555         ql_dbg(ql_dbg_disc, vha, 0x2118,
1556             "%s %d %8phC post PRLI\n",
1557             __func__, __LINE__, ea->fcport->port_name);
1558         qla24xx_post_prli_work(vha, ea->fcport);
1559 }
1560
1561 void qla2x00_fcport_event_handler(scsi_qla_host_t *vha, struct event_arg *ea)
1562 {
1563         fc_port_t *f, *tf;
1564         uint32_t id = 0, mask, rid;
1565         fc_port_t *fcport;
1566
1567         switch (ea->event) {
1568         case FCME_RELOGIN:
1569                 if (test_bit(UNLOADING, &vha->dpc_flags))
1570                         return;
1571
1572                 qla24xx_handle_relogin_event(vha, ea);
1573                 break;
1574         case FCME_RSCN:
1575                 if (test_bit(UNLOADING, &vha->dpc_flags))
1576                         return;
1577                 switch (ea->id.b.rsvd_1) {
1578                 case RSCN_PORT_ADDR:
1579 #define BIGSCAN 1
1580 #if defined BIGSCAN & BIGSCAN > 0
1581                 {
1582                         unsigned long flags;
1583                         fcport = qla2x00_find_fcport_by_nportid
1584                                 (vha, &ea->id, 1);
1585                         if (fcport) {
1586                                 fcport->scan_needed = 1;
1587                                 fcport->rscn_gen++;
1588                         }
1589
1590                         spin_lock_irqsave(&vha->work_lock, flags);
1591                         if (vha->scan.scan_flags == 0) {
1592                                 ql_dbg(ql_dbg_disc, vha, 0xffff,
1593                                     "%s: schedule\n", __func__);
1594                                 vha->scan.scan_flags |= SF_QUEUED;
1595                                 schedule_delayed_work(&vha->scan.scan_work, 5);
1596                         }
1597                         spin_unlock_irqrestore(&vha->work_lock, flags);
1598                 }
1599 #else
1600                 {
1601                         int rc;
1602                         fcport = qla2x00_find_fcport_by_nportid(vha, &ea->id, 1);
1603                         if (!fcport) {
1604                                 /* cable moved */
1605                                  rc = qla24xx_post_gpnid_work(vha, &ea->id);
1606                                  if (rc) {
1607                                          ql_log(ql_log_warn, vha, 0xd044,
1608                                              "RSCN GPNID work failed %06x\n",
1609                                              ea->id.b24);
1610                                  }
1611                         } else {
1612                                 ea->fcport = fcport;
1613                                 fcport->scan_needed = 1;
1614                                 qla24xx_handle_rscn_event(fcport, ea);
1615                         }
1616                 }
1617 #endif
1618                         break;
1619                 case RSCN_AREA_ADDR:
1620                 case RSCN_DOM_ADDR:
1621                         if (ea->id.b.rsvd_1 == RSCN_AREA_ADDR) {
1622                                 mask = 0xffff00;
1623                                 ql_dbg(ql_dbg_async, vha, 0x5044,
1624                                     "RSCN: Area 0x%06x was affected\n",
1625                                     ea->id.b24);
1626                         } else {
1627                                 mask = 0xff0000;
1628                                 ql_dbg(ql_dbg_async, vha, 0x507a,
1629                                     "RSCN: Domain 0x%06x was affected\n",
1630                                     ea->id.b24);
1631                         }
1632
1633                         rid = ea->id.b24 & mask;
1634                         list_for_each_entry_safe(f, tf, &vha->vp_fcports,
1635                             list) {
1636                                 id = f->d_id.b24 & mask;
1637                                 if (rid == id) {
1638                                         ea->fcport = f;
1639                                         qla24xx_handle_rscn_event(f, ea);
1640                                 }
1641                         }
1642                         break;
1643                 case RSCN_FAB_ADDR:
1644                 default:
1645                         ql_log(ql_log_warn, vha, 0xd045,
1646                             "RSCN: Fabric was affected. Addr format %d\n",
1647                             ea->id.b.rsvd_1);
1648                         qla2x00_mark_all_devices_lost(vha, 1);
1649                         set_bit(LOOP_RESYNC_NEEDED, &vha->dpc_flags);
1650                         set_bit(LOCAL_LOOP_UPDATE, &vha->dpc_flags);
1651                 }
1652                 break;
1653         case FCME_GNL_DONE:
1654                 qla24xx_handle_gnl_done_event(vha, ea);
1655                 break;
1656         case FCME_GPSC_DONE:
1657                 qla24xx_handle_gpsc_event(vha, ea);
1658                 break;
1659         case FCME_PLOGI_DONE:   /* Initiator side sent LLIOCB */
1660                 qla24xx_handle_plogi_done_event(vha, ea);
1661                 break;
1662         case FCME_PRLI_DONE:
1663                 qla24xx_handle_prli_done_event(vha, ea);
1664                 break;
1665         case FCME_GPDB_DONE:
1666                 qla24xx_handle_gpdb_event(vha, ea);
1667                 break;
1668         case FCME_GPNID_DONE:
1669                 qla24xx_handle_gpnid_event(vha, ea);
1670                 break;
1671         case FCME_GFFID_DONE:
1672                 qla24xx_handle_gffid_event(vha, ea);
1673                 break;
1674         case FCME_ADISC_DONE:
1675                 qla24xx_handle_adisc_event(vha, ea);
1676                 break;
1677         case FCME_GNNID_DONE:
1678                 qla24xx_handle_gnnid_event(vha, ea);
1679                 break;
1680         case FCME_GFPNID_DONE:
1681                 qla24xx_handle_gfpnid_event(vha, ea);
1682                 break;
1683         case FCME_ELS_PLOGI_DONE:
1684                 qla_handle_els_plogi_done(vha, ea);
1685                 break;
1686         default:
1687                 BUG_ON(1);
1688                 break;
1689         }
1690 }
1691
1692 /*
1693  * RSCN(s) came in for this fcport, but the RSCN(s) was not able
1694  * to be consumed by the fcport
1695  */
1696 void qla_rscn_replay(fc_port_t *fcport)
1697 {
1698        struct event_arg ea;
1699
1700        switch (fcport->disc_state) {
1701        case DSC_DELETE_PEND:
1702                return;
1703        default:
1704                break;
1705        }
1706
1707        if (fcport->scan_needed) {
1708                memset(&ea, 0, sizeof(ea));
1709                ea.event = FCME_RSCN;
1710                ea.id = fcport->d_id;
1711                ea.id.b.rsvd_1 = RSCN_PORT_ADDR;
1712 #if defined BIGSCAN & BIGSCAN > 0
1713                qla2x00_fcport_event_handler(fcport->vha, &ea);
1714 #else
1715                qla24xx_post_gpnid_work(fcport->vha, &ea.id);
1716 #endif
1717         }
1718 }
1719
1720 static void
1721 qla2x00_tmf_iocb_timeout(void *data)
1722 {
1723         srb_t *sp = data;
1724         struct srb_iocb *tmf = &sp->u.iocb_cmd;
1725
1726         tmf->u.tmf.comp_status = CS_TIMEOUT;
1727         complete(&tmf->u.tmf.comp);
1728 }
1729
1730 static void
1731 qla2x00_tmf_sp_done(void *ptr, int res)
1732 {
1733         srb_t *sp = ptr;
1734         struct srb_iocb *tmf = &sp->u.iocb_cmd;
1735
1736         complete(&tmf->u.tmf.comp);
1737 }
1738
1739 int
1740 qla2x00_async_tm_cmd(fc_port_t *fcport, uint32_t flags, uint32_t lun,
1741         uint32_t tag)
1742 {
1743         struct scsi_qla_host *vha = fcport->vha;
1744         struct srb_iocb *tm_iocb;
1745         srb_t *sp;
1746         int rval = QLA_FUNCTION_FAILED;
1747
1748         sp = qla2x00_get_sp(vha, fcport, GFP_KERNEL);
1749         if (!sp)
1750                 goto done;
1751
1752         tm_iocb = &sp->u.iocb_cmd;
1753         sp->type = SRB_TM_CMD;
1754         sp->name = "tmf";
1755
1756         tm_iocb->timeout = qla2x00_tmf_iocb_timeout;
1757         init_completion(&tm_iocb->u.tmf.comp);
1758         qla2x00_init_timer(sp, qla2x00_get_async_timeout(vha));
1759
1760         tm_iocb->u.tmf.flags = flags;
1761         tm_iocb->u.tmf.lun = lun;
1762         tm_iocb->u.tmf.data = tag;
1763         sp->done = qla2x00_tmf_sp_done;
1764
1765         ql_dbg(ql_dbg_taskm, vha, 0x802f,
1766             "Async-tmf hdl=%x loop-id=%x portid=%02x%02x%02x.\n",
1767             sp->handle, fcport->loop_id, fcport->d_id.b.domain,
1768             fcport->d_id.b.area, fcport->d_id.b.al_pa);
1769
1770         rval = qla2x00_start_sp(sp);
1771         if (rval != QLA_SUCCESS)
1772                 goto done_free_sp;
1773         wait_for_completion(&tm_iocb->u.tmf.comp);
1774
1775         rval = tm_iocb->u.tmf.data;
1776
1777         if (rval != QLA_SUCCESS) {
1778                 ql_log(ql_log_warn, vha, 0x8030,
1779                     "TM IOCB failed (%x).\n", rval);
1780         }
1781
1782         if (!test_bit(UNLOADING, &vha->dpc_flags) && !IS_QLAFX00(vha->hw)) {
1783                 flags = tm_iocb->u.tmf.flags;
1784                 lun = (uint16_t)tm_iocb->u.tmf.lun;
1785
1786                 /* Issue Marker IOCB */
1787                 qla2x00_marker(vha, vha->hw->req_q_map[0],
1788                     vha->hw->rsp_q_map[0], fcport->loop_id, lun,
1789                     flags == TCF_LUN_RESET ? MK_SYNC_ID_LUN : MK_SYNC_ID);
1790         }
1791
1792 done_free_sp:
1793         sp->free(sp);
1794         fcport->flags &= ~FCF_ASYNC_SENT;
1795 done:
1796         return rval;
1797 }
1798
1799 static void
1800 qla24xx_abort_iocb_timeout(void *data)
1801 {
1802         srb_t *sp = data;
1803         struct srb_iocb *abt = &sp->u.iocb_cmd;
1804
1805         abt->u.abt.comp_status = CS_TIMEOUT;
1806         sp->done(sp, QLA_FUNCTION_TIMEOUT);
1807 }
1808
1809 static void
1810 qla24xx_abort_sp_done(void *ptr, int res)
1811 {
1812         srb_t *sp = ptr;
1813         struct srb_iocb *abt = &sp->u.iocb_cmd;
1814
1815         if (del_timer(&sp->u.iocb_cmd.timer)) {
1816                 if (sp->flags & SRB_WAKEUP_ON_COMP)
1817                         complete(&abt->u.abt.comp);
1818                 else
1819                         sp->free(sp);
1820         }
1821 }
1822
1823 int
1824 qla24xx_async_abort_cmd(srb_t *cmd_sp, bool wait)
1825 {
1826         scsi_qla_host_t *vha = cmd_sp->vha;
1827         struct srb_iocb *abt_iocb;
1828         srb_t *sp;
1829         int rval = QLA_FUNCTION_FAILED;
1830
1831         sp = qla2xxx_get_qpair_sp(cmd_sp->vha, cmd_sp->qpair, cmd_sp->fcport,
1832             GFP_KERNEL);
1833         if (!sp)
1834                 goto done;
1835
1836         abt_iocb = &sp->u.iocb_cmd;
1837         sp->type = SRB_ABT_CMD;
1838         sp->name = "abort";
1839         sp->qpair = cmd_sp->qpair;
1840         if (wait)
1841                 sp->flags = SRB_WAKEUP_ON_COMP;
1842
1843         abt_iocb->timeout = qla24xx_abort_iocb_timeout;
1844         init_completion(&abt_iocb->u.abt.comp);
1845         /* FW can send 2 x ABTS's timeout/20s */
1846         qla2x00_init_timer(sp, 42);
1847
1848         abt_iocb->u.abt.cmd_hndl = cmd_sp->handle;
1849         abt_iocb->u.abt.req_que_no = cpu_to_le16(cmd_sp->qpair->req->id);
1850
1851         sp->done = qla24xx_abort_sp_done;
1852
1853         ql_dbg(ql_dbg_async, vha, 0x507c,
1854             "Abort command issued - hdl=%x, type=%x\n",
1855             cmd_sp->handle, cmd_sp->type);
1856
1857         rval = qla2x00_start_sp(sp);
1858         if (rval != QLA_SUCCESS)
1859                 goto done_free_sp;
1860
1861         if (wait) {
1862                 wait_for_completion(&abt_iocb->u.abt.comp);
1863                 rval = abt_iocb->u.abt.comp_status == CS_COMPLETE ?
1864                         QLA_SUCCESS : QLA_FUNCTION_FAILED;
1865         } else {
1866                 goto done;
1867         }
1868
1869 done_free_sp:
1870         sp->free(sp);
1871 done:
1872         return rval;
1873 }
1874
1875 int
1876 qla24xx_async_abort_command(srb_t *sp)
1877 {
1878         unsigned long   flags = 0;
1879
1880         uint32_t        handle;
1881         fc_port_t       *fcport = sp->fcport;
1882         struct qla_qpair *qpair = sp->qpair;
1883         struct scsi_qla_host *vha = fcport->vha;
1884         struct req_que *req = qpair->req;
1885
1886         spin_lock_irqsave(qpair->qp_lock_ptr, flags);
1887         for (handle = 1; handle < req->num_outstanding_cmds; handle++) {
1888                 if (req->outstanding_cmds[handle] == sp)
1889                         break;
1890         }
1891         spin_unlock_irqrestore(qpair->qp_lock_ptr, flags);
1892
1893         if (handle == req->num_outstanding_cmds) {
1894                 /* Command not found. */
1895                 return QLA_FUNCTION_FAILED;
1896         }
1897         if (sp->type == SRB_FXIOCB_DCMD)
1898                 return qlafx00_fx_disc(vha, &vha->hw->mr.fcport,
1899                     FXDISC_ABORT_IOCTL);
1900
1901         return qla24xx_async_abort_cmd(sp, true);
1902 }
1903
1904 static void
1905 qla24xx_handle_prli_done_event(struct scsi_qla_host *vha, struct event_arg *ea)
1906 {
1907         switch (ea->data[0]) {
1908         case MBS_COMMAND_COMPLETE:
1909                 ql_dbg(ql_dbg_disc, vha, 0x2118,
1910                     "%s %d %8phC post gpdb\n",
1911                     __func__, __LINE__, ea->fcport->port_name);
1912
1913                 ea->fcport->chip_reset = vha->hw->base_qpair->chip_reset;
1914                 ea->fcport->logout_on_delete = 1;
1915                 qla24xx_post_gpdb_work(vha, ea->fcport, 0);
1916                 break;
1917         default:
1918                 if ((ea->iop[0] == LSC_SCODE_ELS_REJECT) &&
1919                     (ea->iop[1] == 0x50000)) {   /* reson 5=busy expl:0x0 */
1920                         set_bit(RELOGIN_NEEDED, &vha->dpc_flags);
1921                         ea->fcport->fw_login_state = DSC_LS_PLOGI_COMP;
1922                         break;
1923                 }
1924
1925                 if (ea->fcport->n2n_flag) {
1926                         ql_dbg(ql_dbg_disc, vha, 0x2118,
1927                                 "%s %d %8phC post fc4 prli\n",
1928                                 __func__, __LINE__, ea->fcport->port_name);
1929                         ea->fcport->fc4f_nvme = 0;
1930                         ea->fcport->n2n_flag = 0;
1931                         qla24xx_post_prli_work(vha, ea->fcport);
1932                 }
1933                 ql_dbg(ql_dbg_disc, vha, 0x2119,
1934                     "%s %d %8phC unhandle event of %x\n",
1935                     __func__, __LINE__, ea->fcport->port_name, ea->data[0]);
1936                 break;
1937         }
1938 }
1939
1940 static void
1941 qla24xx_handle_plogi_done_event(struct scsi_qla_host *vha, struct event_arg *ea)
1942 {
1943         port_id_t cid;  /* conflict Nport id */
1944         u16 lid;
1945         struct fc_port *conflict_fcport;
1946         unsigned long flags;
1947         struct fc_port *fcport = ea->fcport;
1948
1949         ql_dbg(ql_dbg_disc, vha, 0xffff,
1950             "%s %8phC DS %d LS %d rc %d login %d|%d rscn %d|%d data %x|%x iop %x|%x\n",
1951             __func__, fcport->port_name, fcport->disc_state,
1952             fcport->fw_login_state, ea->rc, ea->sp->gen2, fcport->login_gen,
1953             ea->sp->gen1, fcport->rscn_gen,
1954             ea->data[0], ea->data[1], ea->iop[0], ea->iop[1]);
1955
1956         if ((fcport->fw_login_state == DSC_LS_PLOGI_PEND) ||
1957             (fcport->fw_login_state == DSC_LS_PRLI_PEND)) {
1958                 ql_dbg(ql_dbg_disc, vha, 0x20ea,
1959                     "%s %d %8phC Remote is trying to login\n",
1960                     __func__, __LINE__, fcport->port_name);
1961                 return;
1962         }
1963
1964         if (fcport->disc_state == DSC_DELETE_PEND)
1965                 return;
1966
1967         if (ea->sp->gen2 != fcport->login_gen) {
1968                 /* target side must have changed it. */
1969                 ql_dbg(ql_dbg_disc, vha, 0x20d3,
1970                     "%s %8phC generation changed\n",
1971                     __func__, fcport->port_name);
1972                 set_bit(RELOGIN_NEEDED, &vha->dpc_flags);
1973                 return;
1974         } else if (ea->sp->gen1 != fcport->rscn_gen) {
1975                 ql_dbg(ql_dbg_disc, vha, 0x20d3,
1976                     "%s %8phC RSCN generation changed\n",
1977                     __func__, fcport->port_name);
1978                 qla_rscn_replay(fcport);
1979                 qlt_schedule_sess_for_deletion(fcport);
1980                 return;
1981         }
1982
1983         switch (ea->data[0]) {
1984         case MBS_COMMAND_COMPLETE:
1985                 /*
1986                  * Driver must validate login state - If PRLI not complete,
1987                  * force a relogin attempt via implicit LOGO, PLOGI, and PRLI
1988                  * requests.
1989                  */
1990                 if (ea->fcport->fc4f_nvme) {
1991                         ql_dbg(ql_dbg_disc, vha, 0x2117,
1992                                 "%s %d %8phC post prli\n",
1993                                 __func__, __LINE__, ea->fcport->port_name);
1994                         qla24xx_post_prli_work(vha, ea->fcport);
1995                 } else {
1996                         ql_dbg(ql_dbg_disc, vha, 0x20ea,
1997                             "%s %d %8phC LoopID 0x%x in use with %06x. post gnl\n",
1998                             __func__, __LINE__, ea->fcport->port_name,
1999                             ea->fcport->loop_id, ea->fcport->d_id.b24);
2000
2001                         set_bit(ea->fcport->loop_id, vha->hw->loop_id_map);
2002                         spin_lock_irqsave(&vha->hw->tgt.sess_lock, flags);
2003                         ea->fcport->chip_reset = vha->hw->base_qpair->chip_reset;
2004                         ea->fcport->logout_on_delete = 1;
2005                         ea->fcport->send_els_logo = 0;
2006                         ea->fcport->fw_login_state = DSC_LS_PRLI_COMP;
2007                         spin_unlock_irqrestore(&vha->hw->tgt.sess_lock, flags);
2008
2009                         qla24xx_post_gpdb_work(vha, ea->fcport, 0);
2010                 }
2011                 break;
2012         case MBS_COMMAND_ERROR:
2013                 ql_dbg(ql_dbg_disc, vha, 0x20eb, "%s %d %8phC cmd error %x\n",
2014                     __func__, __LINE__, ea->fcport->port_name, ea->data[1]);
2015
2016                 ea->fcport->flags &= ~FCF_ASYNC_SENT;
2017                 ea->fcport->disc_state = DSC_LOGIN_FAILED;
2018                 if (ea->data[1] & QLA_LOGIO_LOGIN_RETRIED)
2019                         set_bit(RELOGIN_NEEDED, &vha->dpc_flags);
2020                 else
2021                         qla2x00_mark_device_lost(vha, ea->fcport, 1, 0);
2022                 break;
2023         case MBS_LOOP_ID_USED:
2024                 /* data[1] = IO PARAM 1 = nport ID  */
2025                 cid.b.domain = (ea->iop[1] >> 16) & 0xff;
2026                 cid.b.area   = (ea->iop[1] >>  8) & 0xff;
2027                 cid.b.al_pa  = ea->iop[1] & 0xff;
2028                 cid.b.rsvd_1 = 0;
2029
2030                 ql_dbg(ql_dbg_disc, vha, 0x20ec,
2031                     "%s %d %8phC lid %#x in use with pid %06x post gnl\n",
2032                     __func__, __LINE__, ea->fcport->port_name,
2033                     ea->fcport->loop_id, cid.b24);
2034
2035                 set_bit(ea->fcport->loop_id, vha->hw->loop_id_map);
2036                 ea->fcport->loop_id = FC_NO_LOOP_ID;
2037                 qla24xx_post_gnl_work(vha, ea->fcport);
2038                 break;
2039         case MBS_PORT_ID_USED:
2040                 lid = ea->iop[1] & 0xffff;
2041                 qlt_find_sess_invalidate_other(vha,
2042                     wwn_to_u64(ea->fcport->port_name),
2043                     ea->fcport->d_id, lid, &conflict_fcport);
2044
2045                 if (conflict_fcport) {
2046                         /*
2047                          * Another fcport share the same loop_id/nport id.
2048                          * Conflict fcport needs to finish cleanup before this
2049                          * fcport can proceed to login.
2050                          */
2051                         conflict_fcport->conflict = ea->fcport;
2052                         ea->fcport->login_pause = 1;
2053
2054                         ql_dbg(ql_dbg_disc, vha, 0x20ed,
2055                             "%s %d %8phC NPortId %06x inuse with loopid 0x%x. post gidpn\n",
2056                             __func__, __LINE__, ea->fcport->port_name,
2057                             ea->fcport->d_id.b24, lid);
2058                 } else {
2059                         ql_dbg(ql_dbg_disc, vha, 0x20ed,
2060                             "%s %d %8phC NPortId %06x inuse with loopid 0x%x. sched delete\n",
2061                             __func__, __LINE__, ea->fcport->port_name,
2062                             ea->fcport->d_id.b24, lid);
2063
2064                         qla2x00_clear_loop_id(ea->fcport);
2065                         set_bit(lid, vha->hw->loop_id_map);
2066                         ea->fcport->loop_id = lid;
2067                         ea->fcport->keep_nport_handle = 0;
2068                         qlt_schedule_sess_for_deletion(ea->fcport);
2069                 }
2070                 break;
2071         }
2072         return;
2073 }
2074
2075 void
2076 qla2x00_async_logout_done(struct scsi_qla_host *vha, fc_port_t *fcport,
2077     uint16_t *data)
2078 {
2079         qlt_logo_completion_handler(fcport, data[0]);
2080         fcport->login_gen++;
2081         fcport->flags &= ~FCF_ASYNC_ACTIVE;
2082         return;
2083 }
2084
2085 /****************************************************************************/
2086 /*                QLogic ISP2x00 Hardware Support Functions.                */
2087 /****************************************************************************/
2088
2089 static int
2090 qla83xx_nic_core_fw_load(scsi_qla_host_t *vha)
2091 {
2092         int rval = QLA_SUCCESS;
2093         struct qla_hw_data *ha = vha->hw;
2094         uint32_t idc_major_ver, idc_minor_ver;
2095         uint16_t config[4];
2096
2097         qla83xx_idc_lock(vha, 0);
2098
2099         /* SV: TODO: Assign initialization timeout from
2100          * flash-info / other param
2101          */
2102         ha->fcoe_dev_init_timeout = QLA83XX_IDC_INITIALIZATION_TIMEOUT;
2103         ha->fcoe_reset_timeout = QLA83XX_IDC_RESET_ACK_TIMEOUT;
2104
2105         /* Set our fcoe function presence */
2106         if (__qla83xx_set_drv_presence(vha) != QLA_SUCCESS) {
2107                 ql_dbg(ql_dbg_p3p, vha, 0xb077,
2108                     "Error while setting DRV-Presence.\n");
2109                 rval = QLA_FUNCTION_FAILED;
2110                 goto exit;
2111         }
2112
2113         /* Decide the reset ownership */
2114         qla83xx_reset_ownership(vha);
2115
2116         /*
2117          * On first protocol driver load:
2118          * Init-Owner: Set IDC-Major-Version and Clear IDC-Lock-Recovery
2119          * register.
2120          * Others: Check compatibility with current IDC Major version.
2121          */
2122         qla83xx_rd_reg(vha, QLA83XX_IDC_MAJOR_VERSION, &idc_major_ver);
2123         if (ha->flags.nic_core_reset_owner) {
2124                 /* Set IDC Major version */
2125                 idc_major_ver = QLA83XX_SUPP_IDC_MAJOR_VERSION;
2126                 qla83xx_wr_reg(vha, QLA83XX_IDC_MAJOR_VERSION, idc_major_ver);
2127
2128                 /* Clearing IDC-Lock-Recovery register */
2129                 qla83xx_wr_reg(vha, QLA83XX_IDC_LOCK_RECOVERY, 0);
2130         } else if (idc_major_ver != QLA83XX_SUPP_IDC_MAJOR_VERSION) {
2131                 /*
2132                  * Clear further IDC participation if we are not compatible with
2133                  * the current IDC Major Version.
2134                  */
2135                 ql_log(ql_log_warn, vha, 0xb07d,
2136                     "Failing load, idc_major_ver=%d, expected_major_ver=%d.\n",
2137                     idc_major_ver, QLA83XX_SUPP_IDC_MAJOR_VERSION);
2138                 __qla83xx_clear_drv_presence(vha);
2139                 rval = QLA_FUNCTION_FAILED;
2140                 goto exit;
2141         }
2142         /* Each function sets its supported Minor version. */
2143         qla83xx_rd_reg(vha, QLA83XX_IDC_MINOR_VERSION, &idc_minor_ver);
2144         idc_minor_ver |= (QLA83XX_SUPP_IDC_MINOR_VERSION << (ha->portnum * 2));
2145         qla83xx_wr_reg(vha, QLA83XX_IDC_MINOR_VERSION, idc_minor_ver);
2146
2147         if (ha->flags.nic_core_reset_owner) {
2148                 memset(config, 0, sizeof(config));
2149                 if (!qla81xx_get_port_config(vha, config))
2150                         qla83xx_wr_reg(vha, QLA83XX_IDC_DEV_STATE,
2151                             QLA8XXX_DEV_READY);
2152         }
2153
2154         rval = qla83xx_idc_state_handler(vha);
2155
2156 exit:
2157         qla83xx_idc_unlock(vha, 0);
2158
2159         return rval;
2160 }
2161
2162 /*
2163 * qla2x00_initialize_adapter
2164 *      Initialize board.
2165 *
2166 * Input:
2167 *      ha = adapter block pointer.
2168 *
2169 * Returns:
2170 *      0 = success
2171 */
2172 int
2173 qla2x00_initialize_adapter(scsi_qla_host_t *vha)
2174 {
2175         int     rval;
2176         struct qla_hw_data *ha = vha->hw;
2177         struct req_que *req = ha->req_q_map[0];
2178
2179         memset(&vha->qla_stats, 0, sizeof(vha->qla_stats));
2180         memset(&vha->fc_host_stat, 0, sizeof(vha->fc_host_stat));
2181
2182         /* Clear adapter flags. */
2183         vha->flags.online = 0;
2184         ha->flags.chip_reset_done = 0;
2185         vha->flags.reset_active = 0;
2186         ha->flags.pci_channel_io_perm_failure = 0;
2187         ha->flags.eeh_busy = 0;
2188         vha->qla_stats.jiffies_at_last_reset = get_jiffies_64();
2189         atomic_set(&vha->loop_down_timer, LOOP_DOWN_TIME);
2190         atomic_set(&vha->loop_state, LOOP_DOWN);
2191         vha->device_flags = DFLG_NO_CABLE;
2192         vha->dpc_flags = 0;
2193         vha->flags.management_server_logged_in = 0;
2194         vha->marker_needed = 0;
2195         ha->isp_abort_cnt = 0;
2196         ha->beacon_blink_led = 0;
2197
2198         set_bit(0, ha->req_qid_map);
2199         set_bit(0, ha->rsp_qid_map);
2200
2201         ql_dbg(ql_dbg_init, vha, 0x0040,
2202             "Configuring PCI space...\n");
2203         rval = ha->isp_ops->pci_config(vha);
2204         if (rval) {
2205                 ql_log(ql_log_warn, vha, 0x0044,
2206                     "Unable to configure PCI space.\n");
2207                 return (rval);
2208         }
2209
2210         ha->isp_ops->reset_chip(vha);
2211
2212         rval = qla2xxx_get_flash_info(vha);
2213         if (rval) {
2214                 ql_log(ql_log_fatal, vha, 0x004f,
2215                     "Unable to validate FLASH data.\n");
2216                 return rval;
2217         }
2218
2219         if (IS_QLA8044(ha)) {
2220                 qla8044_read_reset_template(vha);
2221
2222                 /* NOTE: If ql2xdontresethba==1, set IDC_CTRL DONTRESET_BIT0.
2223                  * If DONRESET_BIT0 is set, drivers should not set dev_state
2224                  * to NEED_RESET. But if NEED_RESET is set, drivers should
2225                  * should honor the reset. */
2226                 if (ql2xdontresethba == 1)
2227                         qla8044_set_idc_dontreset(vha);
2228         }
2229
2230         ha->isp_ops->get_flash_version(vha, req->ring);
2231         ql_dbg(ql_dbg_init, vha, 0x0061,
2232             "Configure NVRAM parameters...\n");
2233
2234         ha->isp_ops->nvram_config(vha);
2235
2236         if (ha->flags.disable_serdes) {
2237                 /* Mask HBA via NVRAM settings? */
2238                 ql_log(ql_log_info, vha, 0x0077,
2239                     "Masking HBA WWPN %8phN (via NVRAM).\n", vha->port_name);
2240                 return QLA_FUNCTION_FAILED;
2241         }
2242
2243         ql_dbg(ql_dbg_init, vha, 0x0078,
2244             "Verifying loaded RISC code...\n");
2245
2246         if (qla2x00_isp_firmware(vha) != QLA_SUCCESS) {
2247                 rval = ha->isp_ops->chip_diag(vha);
2248                 if (rval)
2249                         return (rval);
2250                 rval = qla2x00_setup_chip(vha);
2251                 if (rval)
2252                         return (rval);
2253         }
2254
2255         if (IS_QLA84XX(ha)) {
2256                 ha->cs84xx = qla84xx_get_chip(vha);
2257                 if (!ha->cs84xx) {
2258                         ql_log(ql_log_warn, vha, 0x00d0,
2259                             "Unable to configure ISP84XX.\n");
2260                         return QLA_FUNCTION_FAILED;
2261                 }
2262         }
2263
2264         if (qla_ini_mode_enabled(vha) || qla_dual_mode_enabled(vha))
2265                 rval = qla2x00_init_rings(vha);
2266
2267         ha->flags.chip_reset_done = 1;
2268
2269         if (rval == QLA_SUCCESS && IS_QLA84XX(ha)) {
2270                 /* Issue verify 84xx FW IOCB to complete 84xx initialization */
2271                 rval = qla84xx_init_chip(vha);
2272                 if (rval != QLA_SUCCESS) {
2273                         ql_log(ql_log_warn, vha, 0x00d4,
2274                             "Unable to initialize ISP84XX.\n");
2275                         qla84xx_put_chip(vha);
2276                 }
2277         }
2278
2279         /* Load the NIC Core f/w if we are the first protocol driver. */
2280         if (IS_QLA8031(ha)) {
2281                 rval = qla83xx_nic_core_fw_load(vha);
2282                 if (rval)
2283                         ql_log(ql_log_warn, vha, 0x0124,
2284                             "Error in initializing NIC Core f/w.\n");
2285         }
2286
2287         if (IS_QLA24XX_TYPE(ha) || IS_QLA25XX(ha))
2288                 qla24xx_read_fcp_prio_cfg(vha);
2289
2290         if (IS_P3P_TYPE(ha))
2291                 qla82xx_set_driver_version(vha, QLA2XXX_VERSION);
2292         else
2293                 qla25xx_set_driver_version(vha, QLA2XXX_VERSION);
2294
2295         return (rval);
2296 }
2297
2298 /**
2299  * qla2100_pci_config() - Setup ISP21xx PCI configuration registers.
2300  * @vha: HA context
2301  *
2302  * Returns 0 on success.
2303  */
2304 int
2305 qla2100_pci_config(scsi_qla_host_t *vha)
2306 {
2307         uint16_t w;
2308         unsigned long flags;
2309         struct qla_hw_data *ha = vha->hw;
2310         struct device_reg_2xxx __iomem *reg = &ha->iobase->isp;
2311
2312         pci_set_master(ha->pdev);
2313         pci_try_set_mwi(ha->pdev);
2314
2315         pci_read_config_word(ha->pdev, PCI_COMMAND, &w);
2316         w |= (PCI_COMMAND_PARITY | PCI_COMMAND_SERR);
2317         pci_write_config_word(ha->pdev, PCI_COMMAND, w);
2318
2319         pci_disable_rom(ha->pdev);
2320
2321         /* Get PCI bus information. */
2322         spin_lock_irqsave(&ha->hardware_lock, flags);
2323         ha->pci_attr = RD_REG_WORD(&reg->ctrl_status);
2324         spin_unlock_irqrestore(&ha->hardware_lock, flags);
2325
2326         return QLA_SUCCESS;
2327 }
2328
2329 /**
2330  * qla2300_pci_config() - Setup ISP23xx PCI configuration registers.
2331  * @vha: HA context
2332  *
2333  * Returns 0 on success.
2334  */
2335 int
2336 qla2300_pci_config(scsi_qla_host_t *vha)
2337 {
2338         uint16_t        w;
2339         unsigned long   flags = 0;
2340         uint32_t        cnt;
2341         struct qla_hw_data *ha = vha->hw;
2342         struct device_reg_2xxx __iomem *reg = &ha->iobase->isp;
2343
2344         pci_set_master(ha->pdev);
2345         pci_try_set_mwi(ha->pdev);
2346
2347         pci_read_config_word(ha->pdev, PCI_COMMAND, &w);
2348         w |= (PCI_COMMAND_PARITY | PCI_COMMAND_SERR);
2349
2350         if (IS_QLA2322(ha) || IS_QLA6322(ha))
2351                 w &= ~PCI_COMMAND_INTX_DISABLE;
2352         pci_write_config_word(ha->pdev, PCI_COMMAND, w);
2353
2354         /*
2355          * If this is a 2300 card and not 2312, reset the
2356          * COMMAND_INVALIDATE due to a bug in the 2300. Unfortunately,
2357          * the 2310 also reports itself as a 2300 so we need to get the
2358          * fb revision level -- a 6 indicates it really is a 2300 and
2359          * not a 2310.
2360          */
2361         if (IS_QLA2300(ha)) {
2362                 spin_lock_irqsave(&ha->hardware_lock, flags);
2363
2364                 /* Pause RISC. */
2365                 WRT_REG_WORD(&reg->hccr, HCCR_PAUSE_RISC);
2366                 for (cnt = 0; cnt < 30000; cnt++) {
2367                         if ((RD_REG_WORD(&reg->hccr) & HCCR_RISC_PAUSE) != 0)
2368                                 break;
2369
2370                         udelay(10);
2371                 }
2372
2373                 /* Select FPM registers. */
2374                 WRT_REG_WORD(&reg->ctrl_status, 0x20);
2375                 RD_REG_WORD(&reg->ctrl_status);
2376
2377                 /* Get the fb rev level */
2378                 ha->fb_rev = RD_FB_CMD_REG(ha, reg);
2379
2380                 if (ha->fb_rev == FPM_2300)
2381                         pci_clear_mwi(ha->pdev);
2382
2383                 /* Deselect FPM registers. */
2384                 WRT_REG_WORD(&reg->ctrl_status, 0x0);
2385                 RD_REG_WORD(&reg->ctrl_status);
2386
2387                 /* Release RISC module. */
2388                 WRT_REG_WORD(&reg->hccr, HCCR_RELEASE_RISC);
2389                 for (cnt = 0; cnt < 30000; cnt++) {
2390                         if ((RD_REG_WORD(&reg->hccr) & HCCR_RISC_PAUSE) == 0)
2391                                 break;
2392
2393                         udelay(10);
2394                 }
2395
2396                 spin_unlock_irqrestore(&ha->hardware_lock, flags);
2397         }
2398
2399         pci_write_config_byte(ha->pdev, PCI_LATENCY_TIMER, 0x80);
2400
2401         pci_disable_rom(ha->pdev);
2402
2403         /* Get PCI bus information. */
2404         spin_lock_irqsave(&ha->hardware_lock, flags);
2405         ha->pci_attr = RD_REG_WORD(&reg->ctrl_status);
2406         spin_unlock_irqrestore(&ha->hardware_lock, flags);
2407
2408         return QLA_SUCCESS;
2409 }
2410
2411 /**
2412  * qla24xx_pci_config() - Setup ISP24xx PCI configuration registers.
2413  * @vha: HA context
2414  *
2415  * Returns 0 on success.
2416  */
2417 int
2418 qla24xx_pci_config(scsi_qla_host_t *vha)
2419 {
2420         uint16_t w;
2421         unsigned long flags = 0;
2422         struct qla_hw_data *ha = vha->hw;
2423         struct device_reg_24xx __iomem *reg = &ha->iobase->isp24;
2424
2425         pci_set_master(ha->pdev);
2426         pci_try_set_mwi(ha->pdev);
2427
2428         pci_read_config_word(ha->pdev, PCI_COMMAND, &w);
2429         w |= (PCI_COMMAND_PARITY | PCI_COMMAND_SERR);
2430         w &= ~PCI_COMMAND_INTX_DISABLE;
2431         pci_write_config_word(ha->pdev, PCI_COMMAND, w);
2432
2433         pci_write_config_byte(ha->pdev, PCI_LATENCY_TIMER, 0x80);
2434
2435         /* PCI-X -- adjust Maximum Memory Read Byte Count (2048). */
2436         if (pci_find_capability(ha->pdev, PCI_CAP_ID_PCIX))
2437                 pcix_set_mmrbc(ha->pdev, 2048);
2438
2439         /* PCIe -- adjust Maximum Read Request Size (2048). */
2440         if (pci_is_pcie(ha->pdev))
2441                 pcie_set_readrq(ha->pdev, 4096);
2442
2443         pci_disable_rom(ha->pdev);
2444
2445         ha->chip_revision = ha->pdev->revision;
2446
2447         /* Get PCI bus information. */
2448         spin_lock_irqsave(&ha->hardware_lock, flags);
2449         ha->pci_attr = RD_REG_DWORD(&reg->ctrl_status);
2450         spin_unlock_irqrestore(&ha->hardware_lock, flags);
2451
2452         return QLA_SUCCESS;
2453 }
2454
2455 /**
2456  * qla25xx_pci_config() - Setup ISP25xx PCI configuration registers.
2457  * @vha: HA context
2458  *
2459  * Returns 0 on success.
2460  */
2461 int
2462 qla25xx_pci_config(scsi_qla_host_t *vha)
2463 {
2464         uint16_t w;
2465         struct qla_hw_data *ha = vha->hw;
2466
2467         pci_set_master(ha->pdev);
2468         pci_try_set_mwi(ha->pdev);
2469
2470         pci_read_config_word(ha->pdev, PCI_COMMAND, &w);
2471         w |= (PCI_COMMAND_PARITY | PCI_COMMAND_SERR);
2472         w &= ~PCI_COMMAND_INTX_DISABLE;
2473         pci_write_config_word(ha->pdev, PCI_COMMAND, w);
2474
2475         /* PCIe -- adjust Maximum Read Request Size (2048). */
2476         if (pci_is_pcie(ha->pdev))
2477                 pcie_set_readrq(ha->pdev, 4096);
2478
2479         pci_disable_rom(ha->pdev);
2480
2481         ha->chip_revision = ha->pdev->revision;
2482
2483         return QLA_SUCCESS;
2484 }
2485
2486 /**
2487  * qla2x00_isp_firmware() - Choose firmware image.
2488  * @vha: HA context
2489  *
2490  * Returns 0 on success.
2491  */
2492 static int
2493 qla2x00_isp_firmware(scsi_qla_host_t *vha)
2494 {
2495         int  rval;
2496         uint16_t loop_id, topo, sw_cap;
2497         uint8_t domain, area, al_pa;
2498         struct qla_hw_data *ha = vha->hw;
2499
2500         /* Assume loading risc code */
2501         rval = QLA_FUNCTION_FAILED;
2502
2503         if (ha->flags.disable_risc_code_load) {
2504                 ql_log(ql_log_info, vha, 0x0079, "RISC CODE NOT loaded.\n");
2505
2506                 /* Verify checksum of loaded RISC code. */
2507                 rval = qla2x00_verify_checksum(vha, ha->fw_srisc_address);
2508                 if (rval == QLA_SUCCESS) {
2509                         /* And, verify we are not in ROM code. */
2510                         rval = qla2x00_get_adapter_id(vha, &loop_id, &al_pa,
2511                             &area, &domain, &topo, &sw_cap);
2512                 }
2513         }
2514
2515         if (rval)
2516                 ql_dbg(ql_dbg_init, vha, 0x007a,
2517                     "**** Load RISC code ****.\n");
2518
2519         return (rval);
2520 }
2521
2522 /**
2523  * qla2x00_reset_chip() - Reset ISP chip.
2524  * @vha: HA context
2525  *
2526  * Returns 0 on success.
2527  */
2528 void
2529 qla2x00_reset_chip(scsi_qla_host_t *vha)
2530 {
2531         unsigned long   flags = 0;
2532         struct qla_hw_data *ha = vha->hw;
2533         struct device_reg_2xxx __iomem *reg = &ha->iobase->isp;
2534         uint32_t        cnt;
2535         uint16_t        cmd;
2536
2537         if (unlikely(pci_channel_offline(ha->pdev)))
2538                 return;
2539
2540         ha->isp_ops->disable_intrs(ha);
2541
2542         spin_lock_irqsave(&ha->hardware_lock, flags);
2543
2544         /* Turn off master enable */
2545         cmd = 0;
2546         pci_read_config_word(ha->pdev, PCI_COMMAND, &cmd);
2547         cmd &= ~PCI_COMMAND_MASTER;
2548         pci_write_config_word(ha->pdev, PCI_COMMAND, cmd);
2549
2550         if (!IS_QLA2100(ha)) {
2551                 /* Pause RISC. */
2552                 WRT_REG_WORD(&reg->hccr, HCCR_PAUSE_RISC);
2553                 if (IS_QLA2200(ha) || IS_QLA2300(ha)) {
2554                         for (cnt = 0; cnt < 30000; cnt++) {
2555                                 if ((RD_REG_WORD(&reg->hccr) &
2556                                     HCCR_RISC_PAUSE) != 0)
2557                                         break;
2558                                 udelay(100);
2559                         }
2560                 } else {
2561                         RD_REG_WORD(&reg->hccr);        /* PCI Posting. */
2562                         udelay(10);
2563                 }
2564
2565                 /* Select FPM registers. */
2566                 WRT_REG_WORD(&reg->ctrl_status, 0x20);
2567                 RD_REG_WORD(&reg->ctrl_status);         /* PCI Posting. */
2568
2569                 /* FPM Soft Reset. */
2570                 WRT_REG_WORD(&reg->fpm_diag_config, 0x100);
2571                 RD_REG_WORD(&reg->fpm_diag_config);     /* PCI Posting. */
2572
2573                 /* Toggle Fpm Reset. */
2574                 if (!IS_QLA2200(ha)) {
2575                         WRT_REG_WORD(&reg->fpm_diag_config, 0x0);
2576                         RD_REG_WORD(&reg->fpm_diag_config); /* PCI Posting. */
2577                 }
2578
2579                 /* Select frame buffer registers. */
2580                 WRT_REG_WORD(&reg->ctrl_status, 0x10);
2581                 RD_REG_WORD(&reg->ctrl_status);         /* PCI Posting. */
2582
2583                 /* Reset frame buffer FIFOs. */
2584                 if (IS_QLA2200(ha)) {
2585                         WRT_FB_CMD_REG(ha, reg, 0xa000);
2586                         RD_FB_CMD_REG(ha, reg);         /* PCI Posting. */
2587                 } else {
2588                         WRT_FB_CMD_REG(ha, reg, 0x00fc);
2589
2590                         /* Read back fb_cmd until zero or 3 seconds max */
2591                         for (cnt = 0; cnt < 3000; cnt++) {
2592                                 if ((RD_FB_CMD_REG(ha, reg) & 0xff) == 0)
2593                                         break;
2594                                 udelay(100);
2595                         }
2596                 }
2597
2598                 /* Select RISC module registers. */
2599                 WRT_REG_WORD(&reg->ctrl_status, 0);
2600                 RD_REG_WORD(&reg->ctrl_status);         /* PCI Posting. */
2601
2602                 /* Reset RISC processor. */
2603                 WRT_REG_WORD(&reg->hccr, HCCR_RESET_RISC);
2604                 RD_REG_WORD(&reg->hccr);                /* PCI Posting. */
2605
2606                 /* Release RISC processor. */
2607                 WRT_REG_WORD(&reg->hccr, HCCR_RELEASE_RISC);
2608                 RD_REG_WORD(&reg->hccr);                /* PCI Posting. */
2609         }
2610
2611         WRT_REG_WORD(&reg->hccr, HCCR_CLR_RISC_INT);
2612         WRT_REG_WORD(&reg->hccr, HCCR_CLR_HOST_INT);
2613
2614         /* Reset ISP chip. */
2615         WRT_REG_WORD(&reg->ctrl_status, CSR_ISP_SOFT_RESET);
2616
2617         /* Wait for RISC to recover from reset. */
2618         if (IS_QLA2100(ha) || IS_QLA2200(ha) || IS_QLA2300(ha)) {
2619                 /*
2620                  * It is necessary to for a delay here since the card doesn't
2621                  * respond to PCI reads during a reset. On some architectures
2622                  * this will result in an MCA.
2623                  */
2624                 udelay(20);
2625                 for (cnt = 30000; cnt; cnt--) {
2626                         if ((RD_REG_WORD(&reg->ctrl_status) &
2627                             CSR_ISP_SOFT_RESET) == 0)
2628                                 break;
2629                         udelay(100);
2630                 }
2631         } else
2632                 udelay(10);
2633
2634         /* Reset RISC processor. */
2635         WRT_REG_WORD(&reg->hccr, HCCR_RESET_RISC);
2636
2637         WRT_REG_WORD(&reg->semaphore, 0);
2638
2639         /* Release RISC processor. */
2640         WRT_REG_WORD(&reg->hccr, HCCR_RELEASE_RISC);
2641         RD_REG_WORD(&reg->hccr);                        /* PCI Posting. */
2642
2643         if (IS_QLA2100(ha) || IS_QLA2200(ha) || IS_QLA2300(ha)) {
2644                 for (cnt = 0; cnt < 30000; cnt++) {
2645                         if (RD_MAILBOX_REG(ha, reg, 0) != MBS_BUSY)
2646                                 break;
2647
2648                         udelay(100);
2649                 }
2650         } else
2651                 udelay(100);
2652
2653         /* Turn on master enable */
2654         cmd |= PCI_COMMAND_MASTER;
2655         pci_write_config_word(ha->pdev, PCI_COMMAND, cmd);
2656
2657         /* Disable RISC pause on FPM parity error. */
2658         if (!IS_QLA2100(ha)) {
2659                 WRT_REG_WORD(&reg->hccr, HCCR_DISABLE_PARITY_PAUSE);
2660                 RD_REG_WORD(&reg->hccr);                /* PCI Posting. */
2661         }
2662
2663         spin_unlock_irqrestore(&ha->hardware_lock, flags);
2664 }
2665
2666 /**
2667  * qla81xx_reset_mpi() - Reset's MPI FW via Write MPI Register MBC.
2668  * @vha: HA context
2669  *
2670  * Returns 0 on success.
2671  */
2672 static int
2673 qla81xx_reset_mpi(scsi_qla_host_t *vha)
2674 {
2675         uint16_t mb[4] = {0x1010, 0, 1, 0};
2676
2677         if (!IS_QLA81XX(vha->hw))
2678                 return QLA_SUCCESS;
2679
2680         return qla81xx_write_mpi_register(vha, mb);
2681 }
2682
2683 /**
2684  * qla24xx_reset_risc() - Perform full reset of ISP24xx RISC.
2685  * @vha: HA context
2686  *
2687  * Returns 0 on success.
2688  */
2689 static inline int
2690 qla24xx_reset_risc(scsi_qla_host_t *vha)
2691 {
2692         unsigned long flags = 0;
2693         struct qla_hw_data *ha = vha->hw;
2694         struct device_reg_24xx __iomem *reg = &ha->iobase->isp24;
2695         uint32_t cnt;
2696         uint16_t wd;
2697         static int abts_cnt; /* ISP abort retry counts */
2698         int rval = QLA_SUCCESS;
2699
2700         spin_lock_irqsave(&ha->hardware_lock, flags);
2701
2702         /* Reset RISC. */
2703         WRT_REG_DWORD(&reg->ctrl_status, CSRX_DMA_SHUTDOWN|MWB_4096_BYTES);
2704         for (cnt = 0; cnt < 30000; cnt++) {
2705                 if ((RD_REG_DWORD(&reg->ctrl_status) & CSRX_DMA_ACTIVE) == 0)
2706                         break;
2707
2708                 udelay(10);
2709         }
2710
2711         if (!(RD_REG_DWORD(&reg->ctrl_status) & CSRX_DMA_ACTIVE))
2712                 set_bit(DMA_SHUTDOWN_CMPL, &ha->fw_dump_cap_flags);
2713
2714         ql_dbg(ql_dbg_init + ql_dbg_verbose, vha, 0x017e,
2715             "HCCR: 0x%x, Control Status %x, DMA active status:0x%x\n",
2716             RD_REG_DWORD(&reg->hccr),
2717             RD_REG_DWORD(&reg->ctrl_status),
2718             (RD_REG_DWORD(&reg->ctrl_status) & CSRX_DMA_ACTIVE));
2719
2720         WRT_REG_DWORD(&reg->ctrl_status,
2721             CSRX_ISP_SOFT_RESET|CSRX_DMA_SHUTDOWN|MWB_4096_BYTES);
2722         pci_read_config_word(ha->pdev, PCI_COMMAND, &wd);
2723
2724         udelay(100);
2725
2726         /* Wait for firmware to complete NVRAM accesses. */
2727         RD_REG_WORD(&reg->mailbox0);
2728         for (cnt = 10000; RD_REG_WORD(&reg->mailbox0) != 0 &&
2729             rval == QLA_SUCCESS; cnt--) {
2730                 barrier();
2731                 if (cnt)
2732                         udelay(5);
2733                 else
2734                         rval = QLA_FUNCTION_TIMEOUT;
2735         }
2736
2737         if (rval == QLA_SUCCESS)
2738                 set_bit(ISP_MBX_RDY, &ha->fw_dump_cap_flags);
2739
2740         ql_dbg(ql_dbg_init + ql_dbg_verbose, vha, 0x017f,
2741             "HCCR: 0x%x, MailBox0 Status 0x%x\n",
2742             RD_REG_DWORD(&reg->hccr),
2743             RD_REG_DWORD(&reg->mailbox0));
2744
2745         /* Wait for soft-reset to complete. */
2746         RD_REG_DWORD(&reg->ctrl_status);
2747         for (cnt = 0; cnt < 60; cnt++) {
2748                 barrier();
2749                 if ((RD_REG_DWORD(&reg->ctrl_status) &
2750                     CSRX_ISP_SOFT_RESET) == 0)
2751                         break;
2752
2753                 udelay(5);
2754         }
2755         if (!(RD_REG_DWORD(&reg->ctrl_status) & CSRX_ISP_SOFT_RESET))
2756                 set_bit(ISP_SOFT_RESET_CMPL, &ha->fw_dump_cap_flags);
2757
2758         ql_dbg(ql_dbg_init + ql_dbg_verbose, vha, 0x015d,
2759             "HCCR: 0x%x, Soft Reset status: 0x%x\n",
2760             RD_REG_DWORD(&reg->hccr),
2761             RD_REG_DWORD(&reg->ctrl_status));
2762
2763         /* If required, do an MPI FW reset now */
2764         if (test_and_clear_bit(MPI_RESET_NEEDED, &vha->dpc_flags)) {
2765                 if (qla81xx_reset_mpi(vha) != QLA_SUCCESS) {
2766                         if (++abts_cnt < 5) {
2767                                 set_bit(ISP_ABORT_NEEDED, &vha->dpc_flags);
2768                                 set_bit(MPI_RESET_NEEDED, &vha->dpc_flags);
2769                         } else {
2770                                 /*
2771                                  * We exhausted the ISP abort retries. We have to
2772                                  * set the board offline.
2773                                  */
2774                                 abts_cnt = 0;
2775                                 vha->flags.online = 0;
2776                         }
2777                 }
2778         }
2779
2780         WRT_REG_DWORD(&reg->hccr, HCCRX_SET_RISC_RESET);
2781         RD_REG_DWORD(&reg->hccr);
2782
2783         WRT_REG_DWORD(&reg->hccr, HCCRX_REL_RISC_PAUSE);
2784         RD_REG_DWORD(&reg->hccr);
2785
2786         WRT_REG_DWORD(&reg->hccr, HCCRX_CLR_RISC_RESET);
2787         RD_REG_DWORD(&reg->hccr);
2788
2789         RD_REG_WORD(&reg->mailbox0);
2790         for (cnt = 60; RD_REG_WORD(&reg->mailbox0) != 0 &&
2791             rval == QLA_SUCCESS; cnt--) {
2792                 barrier();
2793                 if (cnt)
2794                         udelay(5);
2795                 else
2796                         rval = QLA_FUNCTION_TIMEOUT;
2797         }
2798         if (rval == QLA_SUCCESS)
2799                 set_bit(RISC_RDY_AFT_RESET, &ha->fw_dump_cap_flags);
2800
2801         ql_dbg(ql_dbg_init + ql_dbg_verbose, vha, 0x015e,
2802             "Host Risc 0x%x, mailbox0 0x%x\n",
2803             RD_REG_DWORD(&reg->hccr),
2804              RD_REG_WORD(&reg->mailbox0));
2805
2806         spin_unlock_irqrestore(&ha->hardware_lock, flags);
2807
2808         ql_dbg(ql_dbg_init + ql_dbg_verbose, vha, 0x015f,
2809             "Driver in %s mode\n",
2810             IS_NOPOLLING_TYPE(ha) ? "Interrupt" : "Polling");
2811
2812         if (IS_NOPOLLING_TYPE(ha))
2813                 ha->isp_ops->enable_intrs(ha);
2814
2815         return rval;
2816 }
2817
2818 static void
2819 qla25xx_read_risc_sema_reg(scsi_qla_host_t *vha, uint32_t *data)
2820 {
2821         struct device_reg_24xx __iomem *reg = &vha->hw->iobase->isp24;
2822
2823         WRT_REG_DWORD(&reg->iobase_addr, RISC_REGISTER_BASE_OFFSET);
2824         *data = RD_REG_DWORD(&reg->iobase_window + RISC_REGISTER_WINDOW_OFFET);
2825
2826 }
2827
2828 static void
2829 qla25xx_write_risc_sema_reg(scsi_qla_host_t *vha, uint32_t data)
2830 {
2831         struct device_reg_24xx __iomem *reg = &vha->hw->iobase->isp24;
2832
2833         WRT_REG_DWORD(&reg->iobase_addr, RISC_REGISTER_BASE_OFFSET);
2834         WRT_REG_DWORD(&reg->iobase_window + RISC_REGISTER_WINDOW_OFFET, data);
2835 }
2836
2837 static void
2838 qla25xx_manipulate_risc_semaphore(scsi_qla_host_t *vha)
2839 {
2840         uint32_t wd32 = 0;
2841         uint delta_msec = 100;
2842         uint elapsed_msec = 0;
2843         uint timeout_msec;
2844         ulong n;
2845
2846         if (vha->hw->pdev->subsystem_device != 0x0175 &&
2847             vha->hw->pdev->subsystem_device != 0x0240)
2848                 return;
2849
2850         WRT_REG_DWORD(&vha->hw->iobase->isp24.hccr, HCCRX_SET_RISC_PAUSE);
2851         udelay(100);
2852
2853 attempt:
2854         timeout_msec = TIMEOUT_SEMAPHORE;
2855         n = timeout_msec / delta_msec;
2856         while (n--) {
2857                 qla25xx_write_risc_sema_reg(vha, RISC_SEMAPHORE_SET);
2858                 qla25xx_read_risc_sema_reg(vha, &wd32);
2859                 if (wd32 & RISC_SEMAPHORE)
2860                         break;
2861                 msleep(delta_msec);
2862                 elapsed_msec += delta_msec;
2863                 if (elapsed_msec > TIMEOUT_TOTAL_ELAPSED)
2864                         goto force;
2865         }
2866
2867         if (!(wd32 & RISC_SEMAPHORE))
2868                 goto force;
2869
2870         if (!(wd32 & RISC_SEMAPHORE_FORCE))
2871                 goto acquired;
2872
2873         qla25xx_write_risc_sema_reg(vha, RISC_SEMAPHORE_CLR);
2874         timeout_msec = TIMEOUT_SEMAPHORE_FORCE;
2875         n = timeout_msec / delta_msec;
2876         while (n--) {
2877                 qla25xx_read_risc_sema_reg(vha, &wd32);
2878                 if (!(wd32 & RISC_SEMAPHORE_FORCE))
2879                         break;
2880                 msleep(delta_msec);
2881                 elapsed_msec += delta_msec;
2882                 if (elapsed_msec > TIMEOUT_TOTAL_ELAPSED)
2883                         goto force;
2884         }
2885
2886         if (wd32 & RISC_SEMAPHORE_FORCE)
2887                 qla25xx_write_risc_sema_reg(vha, RISC_SEMAPHORE_FORCE_CLR);
2888
2889         goto attempt;
2890
2891 force:
2892         qla25xx_write_risc_sema_reg(vha, RISC_SEMAPHORE_FORCE_SET);
2893
2894 acquired:
2895         return;
2896 }
2897
2898 /**
2899  * qla24xx_reset_chip() - Reset ISP24xx chip.
2900  * @vha: HA context
2901  *
2902  * Returns 0 on success.
2903  */
2904 void
2905 qla24xx_reset_chip(scsi_qla_host_t *vha)
2906 {
2907         struct qla_hw_data *ha = vha->hw;
2908
2909         if (pci_channel_offline(ha->pdev) &&
2910             ha->flags.pci_channel_io_perm_failure) {
2911                 return;
2912         }
2913
2914         ha->isp_ops->disable_intrs(ha);
2915
2916         qla25xx_manipulate_risc_semaphore(vha);
2917
2918         /* Perform RISC reset. */
2919         qla24xx_reset_risc(vha);
2920 }
2921
2922 /**
2923  * qla2x00_chip_diag() - Test chip for proper operation.
2924  * @vha: HA context
2925  *
2926  * Returns 0 on success.
2927  */
2928 int
2929 qla2x00_chip_diag(scsi_qla_host_t *vha)
2930 {
2931         int             rval;
2932         struct qla_hw_data *ha = vha->hw;
2933         struct device_reg_2xxx __iomem *reg = &ha->iobase->isp;
2934         unsigned long   flags = 0;
2935         uint16_t        data;
2936         uint32_t        cnt;
2937         uint16_t        mb[5];
2938         struct req_que *req = ha->req_q_map[0];
2939
2940         /* Assume a failed state */
2941         rval = QLA_FUNCTION_FAILED;
2942
2943         ql_dbg(ql_dbg_init, vha, 0x007b, "Testing device at %p.\n",
2944                &reg->flash_address);
2945
2946         spin_lock_irqsave(&ha->hardware_lock, flags);
2947
2948         /* Reset ISP chip. */
2949         WRT_REG_WORD(&reg->ctrl_status, CSR_ISP_SOFT_RESET);
2950
2951         /*
2952          * We need to have a delay here since the card will not respond while
2953          * in reset causing an MCA on some architectures.
2954          */
2955         udelay(20);
2956         data = qla2x00_debounce_register(&reg->ctrl_status);
2957         for (cnt = 6000000 ; cnt && (data & CSR_ISP_SOFT_RESET); cnt--) {
2958                 udelay(5);
2959                 data = RD_REG_WORD(&reg->ctrl_status);
2960                 barrier();
2961         }
2962
2963         if (!cnt)
2964                 goto chip_diag_failed;
2965
2966         ql_dbg(ql_dbg_init, vha, 0x007c,
2967             "Reset register cleared by chip reset.\n");
2968
2969         /* Reset RISC processor. */
2970         WRT_REG_WORD(&reg->hccr, HCCR_RESET_RISC);
2971         WRT_REG_WORD(&reg->hccr, HCCR_RELEASE_RISC);
2972
2973         /* Workaround for QLA2312 PCI parity error */
2974         if (IS_QLA2100(ha) || IS_QLA2200(ha) || IS_QLA2300(ha)) {
2975                 data = qla2x00_debounce_register(MAILBOX_REG(ha, reg, 0));
2976                 for (cnt = 6000000; cnt && (data == MBS_BUSY); cnt--) {
2977                         udelay(5);
2978                         data = RD_MAILBOX_REG(ha, reg, 0);
2979                         barrier();
2980                 }
2981         } else
2982                 udelay(10);
2983
2984         if (!cnt)
2985                 goto chip_diag_failed;
2986
2987         /* Check product ID of chip */
2988         ql_dbg(ql_dbg_init, vha, 0x007d, "Checking product ID of chip.\n");
2989
2990         mb[1] = RD_MAILBOX_REG(ha, reg, 1);
2991         mb[2] = RD_MAILBOX_REG(ha, reg, 2);
2992         mb[3] = RD_MAILBOX_REG(ha, reg, 3);
2993         mb[4] = qla2x00_debounce_register(MAILBOX_REG(ha, reg, 4));
2994         if (mb[1] != PROD_ID_1 || (mb[2] != PROD_ID_2 && mb[2] != PROD_ID_2a) ||
2995             mb[3] != PROD_ID_3) {
2996                 ql_log(ql_log_warn, vha, 0x0062,
2997                     "Wrong product ID = 0x%x,0x%x,0x%x.\n",
2998                     mb[1], mb[2], mb[3]);
2999
3000                 goto chip_diag_failed;
3001         }
3002         ha->product_id[0] = mb[1];
3003         ha->product_id[1] = mb[2];
3004         ha->product_id[2] = mb[3];
3005         ha->product_id[3] = mb[4];
3006
3007         /* Adjust fw RISC transfer size */
3008         if (req->length > 1024)
3009                 ha->fw_transfer_size = REQUEST_ENTRY_SIZE * 1024;
3010         else
3011                 ha->fw_transfer_size = REQUEST_ENTRY_SIZE *
3012                     req->length;
3013
3014         if (IS_QLA2200(ha) &&
3015             RD_MAILBOX_REG(ha, reg, 7) == QLA2200A_RISC_ROM_VER) {
3016                 /* Limit firmware transfer size with a 2200A */
3017                 ql_dbg(ql_dbg_init, vha, 0x007e, "Found QLA2200A Chip.\n");
3018
3019                 ha->device_type |= DT_ISP2200A;
3020                 ha->fw_transfer_size = 128;
3021         }
3022
3023         /* Wrap Incoming Mailboxes Test. */
3024         spin_unlock_irqrestore(&ha->hardware_lock, flags);
3025
3026         ql_dbg(ql_dbg_init, vha, 0x007f, "Checking mailboxes.\n");
3027         rval = qla2x00_mbx_reg_test(vha);
3028         if (rval)
3029                 ql_log(ql_log_warn, vha, 0x0080,
3030                     "Failed mailbox send register test.\n");
3031         else
3032                 /* Flag a successful rval */
3033                 rval = QLA_SUCCESS;
3034         spin_lock_irqsave(&ha->hardware_lock, flags);
3035
3036 chip_diag_failed:
3037         if (rval)
3038                 ql_log(ql_log_info, vha, 0x0081,
3039                     "Chip diagnostics **** FAILED ****.\n");
3040
3041         spin_unlock_irqrestore(&ha->hardware_lock, flags);
3042
3043         return (rval);
3044 }
3045
3046 /**
3047  * qla24xx_chip_diag() - Test ISP24xx for proper operation.
3048  * @vha: HA context
3049  *
3050  * Returns 0 on success.
3051  */
3052 int
3053 qla24xx_chip_diag(scsi_qla_host_t *vha)
3054 {
3055         int rval;
3056         struct qla_hw_data *ha = vha->hw;
3057         struct req_que *req = ha->req_q_map[0];
3058
3059         if (IS_P3P_TYPE(ha))
3060                 return QLA_SUCCESS;
3061
3062         ha->fw_transfer_size = REQUEST_ENTRY_SIZE * req->length;
3063
3064         rval = qla2x00_mbx_reg_test(vha);
3065         if (rval) {
3066                 ql_log(ql_log_warn, vha, 0x0082,
3067                     "Failed mailbox send register test.\n");
3068         } else {
3069                 /* Flag a successful rval */
3070                 rval = QLA_SUCCESS;
3071         }
3072
3073         return rval;
3074 }
3075
3076 static void
3077 qla2x00_alloc_offload_mem(scsi_qla_host_t *vha)
3078 {
3079         int rval;
3080         dma_addr_t tc_dma;
3081         void *tc;
3082         struct qla_hw_data *ha = vha->hw;
3083
3084         if (ha->eft) {
3085                 ql_dbg(ql_dbg_init, vha, 0x00bd,
3086                     "%s: Offload Mem is already allocated.\n",
3087                     __func__);
3088                 return;
3089         }
3090
3091         if (IS_FWI2_CAPABLE(ha)) {
3092                 /* Allocate memory for Fibre Channel Event Buffer. */
3093                 if (!IS_QLA25XX(ha) && !IS_QLA81XX(ha) && !IS_QLA83XX(ha) &&
3094                     !IS_QLA27XX(ha))
3095                         goto try_eft;
3096
3097                 if (ha->fce)
3098                         dma_free_coherent(&ha->pdev->dev,
3099                             FCE_SIZE, ha->fce, ha->fce_dma);
3100
3101                 /* Allocate memory for Fibre Channel Event Buffer. */
3102                 tc = dma_alloc_coherent(&ha->pdev->dev, FCE_SIZE, &tc_dma,
3103                                         GFP_KERNEL);
3104                 if (!tc) {
3105                         ql_log(ql_log_warn, vha, 0x00be,
3106                             "Unable to allocate (%d KB) for FCE.\n",
3107                             FCE_SIZE / 1024);
3108                         goto try_eft;
3109                 }
3110
3111                 rval = qla2x00_enable_fce_trace(vha, tc_dma, FCE_NUM_BUFFERS,
3112                     ha->fce_mb, &ha->fce_bufs);
3113                 if (rval) {
3114                         ql_log(ql_log_warn, vha, 0x00bf,
3115                             "Unable to initialize FCE (%d).\n", rval);
3116                         dma_free_coherent(&ha->pdev->dev, FCE_SIZE, tc,
3117                             tc_dma);
3118                         ha->flags.fce_enabled = 0;
3119                         goto try_eft;
3120                 }
3121                 ql_dbg(ql_dbg_init, vha, 0x00c0,
3122                     "Allocate (%d KB) for FCE...\n", FCE_SIZE / 1024);
3123
3124                 ha->flags.fce_enabled = 1;
3125                 ha->fce_dma = tc_dma;
3126                 ha->fce = tc;
3127
3128 try_eft:
3129                 if (ha->eft)
3130                         dma_free_coherent(&ha->pdev->dev,
3131                             EFT_SIZE, ha->eft, ha->eft_dma);
3132
3133                 /* Allocate memory for Extended Trace Buffer. */
3134                 tc = dma_alloc_coherent(&ha->pdev->dev, EFT_SIZE, &tc_dma,
3135                                         GFP_KERNEL);
3136                 if (!tc) {
3137                         ql_log(ql_log_warn, vha, 0x00c1,
3138                             "Unable to allocate (%d KB) for EFT.\n",
3139                             EFT_SIZE / 1024);
3140                         goto eft_err;
3141                 }
3142
3143                 rval = qla2x00_enable_eft_trace(vha, tc_dma, EFT_NUM_BUFFERS);
3144                 if (rval) {
3145                         ql_log(ql_log_warn, vha, 0x00c2,
3146                             "Unable to initialize EFT (%d).\n", rval);
3147                         dma_free_coherent(&ha->pdev->dev, EFT_SIZE, tc,
3148                             tc_dma);
3149                         goto eft_err;
3150                 }
3151                 ql_dbg(ql_dbg_init, vha, 0x00c3,
3152                     "Allocated (%d KB) EFT ...\n", EFT_SIZE / 1024);
3153
3154                 ha->eft_dma = tc_dma;
3155                 ha->eft = tc;
3156         }
3157
3158 eft_err:
3159         return;
3160 }
3161
3162 void
3163 qla2x00_alloc_fw_dump(scsi_qla_host_t *vha)
3164 {
3165         uint32_t dump_size, fixed_size, mem_size, req_q_size, rsp_q_size,
3166             eft_size, fce_size, mq_size;
3167         struct qla_hw_data *ha = vha->hw;
3168         struct req_que *req = ha->req_q_map[0];
3169         struct rsp_que *rsp = ha->rsp_q_map[0];
3170         struct qla2xxx_fw_dump *fw_dump;
3171
3172         dump_size = fixed_size = mem_size = eft_size = fce_size = mq_size = 0;
3173         req_q_size = rsp_q_size = 0;
3174
3175         if (IS_QLA2100(ha) || IS_QLA2200(ha)) {
3176                 fixed_size = sizeof(struct qla2100_fw_dump);
3177         } else if (IS_QLA23XX(ha)) {
3178                 fixed_size = offsetof(struct qla2300_fw_dump, data_ram);
3179                 mem_size = (ha->fw_memory_size - 0x11000 + 1) *
3180                     sizeof(uint16_t);
3181         } else if (IS_FWI2_CAPABLE(ha)) {
3182                 if (IS_QLA83XX(ha) || IS_QLA27XX(ha))
3183                         fixed_size = offsetof(struct qla83xx_fw_dump, ext_mem);
3184                 else if (IS_QLA81XX(ha))
3185                         fixed_size = offsetof(struct qla81xx_fw_dump, ext_mem);
3186                 else if (IS_QLA25XX(ha))
3187                         fixed_size = offsetof(struct qla25xx_fw_dump, ext_mem);
3188                 else
3189                         fixed_size = offsetof(struct qla24xx_fw_dump, ext_mem);
3190
3191                 mem_size = (ha->fw_memory_size - 0x100000 + 1) *
3192                     sizeof(uint32_t);
3193                 if (ha->mqenable) {
3194                         if (!IS_QLA83XX(ha) && !IS_QLA27XX(ha))
3195                                 mq_size = sizeof(struct qla2xxx_mq_chain);
3196                         /*
3197                          * Allocate maximum buffer size for all queues.
3198                          * Resizing must be done at end-of-dump processing.
3199                          */
3200                         mq_size += ha->max_req_queues *
3201                             (req->length * sizeof(request_t));
3202                         mq_size += ha->max_rsp_queues *
3203                             (rsp->length * sizeof(response_t));
3204                 }
3205                 if (ha->tgt.atio_ring)
3206                         mq_size += ha->tgt.atio_q_length * sizeof(request_t);
3207                 /* Allocate memory for Fibre Channel Event Buffer. */
3208                 if (!IS_QLA25XX(ha) && !IS_QLA81XX(ha) && !IS_QLA83XX(ha) &&
3209                     !IS_QLA27XX(ha))
3210                         goto try_eft;
3211
3212                 fce_size = sizeof(struct qla2xxx_fce_chain) + FCE_SIZE;
3213 try_eft:
3214                 ql_dbg(ql_dbg_init, vha, 0x00c3,
3215                     "Allocated (%d KB) EFT ...\n", EFT_SIZE / 1024);
3216                 eft_size = EFT_SIZE;
3217         }
3218
3219         if (IS_QLA27XX(ha)) {
3220                 if (!ha->fw_dump_template) {
3221                         ql_log(ql_log_warn, vha, 0x00ba,
3222                             "Failed missing fwdump template\n");
3223                         return;
3224                 }
3225                 dump_size = qla27xx_fwdt_calculate_dump_size(vha);
3226                 ql_dbg(ql_dbg_init, vha, 0x00fa,
3227                     "-> allocating fwdump (%x bytes)...\n", dump_size);
3228                 goto allocate;
3229         }
3230
3231         req_q_size = req->length * sizeof(request_t);
3232         rsp_q_size = rsp->length * sizeof(response_t);
3233         dump_size = offsetof(struct qla2xxx_fw_dump, isp);
3234         dump_size += fixed_size + mem_size + req_q_size + rsp_q_size + eft_size;
3235         ha->chain_offset = dump_size;
3236         dump_size += mq_size + fce_size;
3237
3238         if (ha->exchoffld_buf)
3239                 dump_size += sizeof(struct qla2xxx_offld_chain) +
3240                         ha->exchoffld_size;
3241         if (ha->exlogin_buf)
3242                 dump_size += sizeof(struct qla2xxx_offld_chain) +
3243                         ha->exlogin_size;
3244
3245 allocate:
3246         if (!ha->fw_dump_len || dump_size != ha->fw_dump_len) {
3247                 fw_dump = vmalloc(dump_size);
3248                 if (!fw_dump) {
3249                         ql_log(ql_log_warn, vha, 0x00c4,
3250                             "Unable to allocate (%d KB) for firmware dump.\n",
3251                             dump_size / 1024);
3252                 } else {
3253                         if (ha->fw_dump)
3254                                 vfree(ha->fw_dump);
3255                         ha->fw_dump = fw_dump;
3256
3257                         ha->fw_dump_len = dump_size;
3258                         ql_dbg(ql_dbg_init, vha, 0x00c5,
3259                             "Allocated (%d KB) for firmware dump.\n",
3260                             dump_size / 1024);
3261
3262                         if (IS_QLA27XX(ha))
3263                                 return;
3264
3265                         ha->fw_dump->signature[0] = 'Q';
3266                         ha->fw_dump->signature[1] = 'L';
3267                         ha->fw_dump->signature[2] = 'G';
3268                         ha->fw_dump->signature[3] = 'C';
3269                         ha->fw_dump->version = htonl(1);
3270
3271                         ha->fw_dump->fixed_size = htonl(fixed_size);
3272                         ha->fw_dump->mem_size = htonl(mem_size);
3273                         ha->fw_dump->req_q_size = htonl(req_q_size);
3274                         ha->fw_dump->rsp_q_size = htonl(rsp_q_size);
3275
3276                         ha->fw_dump->eft_size = htonl(eft_size);
3277                         ha->fw_dump->eft_addr_l = htonl(LSD(ha->eft_dma));
3278                         ha->fw_dump->eft_addr_h = htonl(MSD(ha->eft_dma));
3279
3280                         ha->fw_dump->header_size =
3281                                 htonl(offsetof(struct qla2xxx_fw_dump, isp));
3282                 }
3283         }
3284 }
3285
3286 static int
3287 qla81xx_mpi_sync(scsi_qla_host_t *vha)
3288 {
3289 #define MPS_MASK        0xe0
3290         int rval;
3291         uint16_t dc;
3292         uint32_t dw;
3293
3294         if (!IS_QLA81XX(vha->hw))
3295                 return QLA_SUCCESS;
3296
3297         rval = qla2x00_write_ram_word(vha, 0x7c00, 1);
3298         if (rval != QLA_SUCCESS) {
3299                 ql_log(ql_log_warn, vha, 0x0105,
3300                     "Unable to acquire semaphore.\n");
3301                 goto done;
3302         }
3303
3304         pci_read_config_word(vha->hw->pdev, 0x54, &dc);
3305         rval = qla2x00_read_ram_word(vha, 0x7a15, &dw);
3306         if (rval != QLA_SUCCESS) {
3307                 ql_log(ql_log_warn, vha, 0x0067, "Unable to read sync.\n");
3308                 goto done_release;
3309         }
3310
3311         dc &= MPS_MASK;
3312         if (dc == (dw & MPS_MASK))
3313                 goto done_release;
3314
3315         dw &= ~MPS_MASK;
3316         dw |= dc;
3317         rval = qla2x00_write_ram_word(vha, 0x7a15, dw);
3318         if (rval != QLA_SUCCESS) {
3319                 ql_log(ql_log_warn, vha, 0x0114, "Unable to gain sync.\n");
3320         }
3321
3322 done_release:
3323         rval = qla2x00_write_ram_word(vha, 0x7c00, 0);
3324         if (rval != QLA_SUCCESS) {
3325                 ql_log(ql_log_warn, vha, 0x006d,
3326                     "Unable to release semaphore.\n");
3327         }
3328
3329 done:
3330         return rval;
3331 }
3332
3333 int
3334 qla2x00_alloc_outstanding_cmds(struct qla_hw_data *ha, struct req_que *req)
3335 {
3336         /* Don't try to reallocate the array */
3337         if (req->outstanding_cmds)
3338                 return QLA_SUCCESS;
3339
3340         if (!IS_FWI2_CAPABLE(ha))
3341                 req->num_outstanding_cmds = DEFAULT_OUTSTANDING_COMMANDS;
3342         else {
3343                 if (ha->cur_fw_xcb_count <= ha->cur_fw_iocb_count)
3344                         req->num_outstanding_cmds = ha->cur_fw_xcb_count;
3345                 else
3346                         req->num_outstanding_cmds = ha->cur_fw_iocb_count;
3347         }
3348
3349         req->outstanding_cmds = kcalloc(req->num_outstanding_cmds,
3350                                         sizeof(srb_t *),
3351                                         GFP_KERNEL);
3352
3353         if (!req->outstanding_cmds) {
3354                 /*
3355                  * Try to allocate a minimal size just so we can get through
3356                  * initialization.
3357                  */
3358                 req->num_outstanding_cmds = MIN_OUTSTANDING_COMMANDS;
3359                 req->outstanding_cmds = kcalloc(req->num_outstanding_cmds,
3360                                                 sizeof(srb_t *),
3361                                                 GFP_KERNEL);
3362
3363                 if (!req->outstanding_cmds) {
3364                         ql_log(ql_log_fatal, NULL, 0x0126,
3365                             "Failed to allocate memory for "
3366                             "outstanding_cmds for req_que %p.\n", req);
3367                         req->num_outstanding_cmds = 0;
3368                         return QLA_FUNCTION_FAILED;
3369                 }
3370         }
3371
3372         return QLA_SUCCESS;
3373 }
3374
3375 #define PRINT_FIELD(_field, _flag, _str) {              \
3376         if (a0->_field & _flag) {\
3377                 if (p) {\
3378                         strcat(ptr, "|");\
3379                         ptr++;\
3380                         leftover--;\
3381                 } \
3382                 len = snprintf(ptr, leftover, "%s", _str);      \
3383                 p = 1;\
3384                 leftover -= len;\
3385                 ptr += len; \
3386         } \
3387 }
3388
3389 static void qla2xxx_print_sfp_info(struct scsi_qla_host *vha)
3390 {
3391 #define STR_LEN 64
3392         struct sff_8247_a0 *a0 = (struct sff_8247_a0 *)vha->hw->sfp_data;
3393         u8 str[STR_LEN], *ptr, p;
3394         int leftover, len;
3395
3396         memset(str, 0, STR_LEN);
3397         snprintf(str, SFF_VEN_NAME_LEN+1, a0->vendor_name);
3398         ql_dbg(ql_dbg_init, vha, 0x015a,
3399             "SFP MFG Name: %s\n", str);
3400
3401         memset(str, 0, STR_LEN);
3402         snprintf(str, SFF_PART_NAME_LEN+1, a0->vendor_pn);
3403         ql_dbg(ql_dbg_init, vha, 0x015c,
3404             "SFP Part Name: %s\n", str);
3405
3406         /* media */
3407         memset(str, 0, STR_LEN);
3408         ptr = str;
3409         leftover = STR_LEN;
3410         p = len = 0;
3411         PRINT_FIELD(fc_med_cc9, FC_MED_TW, "Twin AX");
3412         PRINT_FIELD(fc_med_cc9, FC_MED_TP, "Twisted Pair");
3413         PRINT_FIELD(fc_med_cc9, FC_MED_MI, "Min Coax");
3414         PRINT_FIELD(fc_med_cc9, FC_MED_TV, "Video Coax");
3415         PRINT_FIELD(fc_med_cc9, FC_MED_M6, "MultiMode 62.5um");
3416         PRINT_FIELD(fc_med_cc9, FC_MED_M5, "MultiMode 50um");
3417         PRINT_FIELD(fc_med_cc9, FC_MED_SM, "SingleMode");
3418         ql_dbg(ql_dbg_init, vha, 0x0160,
3419             "SFP Media: %s\n", str);
3420
3421         /* link length */
3422         memset(str, 0, STR_LEN);
3423         ptr = str;
3424         leftover = STR_LEN;
3425         p = len = 0;
3426         PRINT_FIELD(fc_ll_cc7, FC_LL_VL, "Very Long");
3427         PRINT_FIELD(fc_ll_cc7, FC_LL_S, "Short");
3428         PRINT_FIELD(fc_ll_cc7, FC_LL_I, "Intermediate");
3429         PRINT_FIELD(fc_ll_cc7, FC_LL_L, "Long");
3430         PRINT_FIELD(fc_ll_cc7, FC_LL_M, "Medium");
3431         ql_dbg(ql_dbg_init, vha, 0x0196,
3432             "SFP Link Length: %s\n", str);
3433
3434         memset(str, 0, STR_LEN);
3435         ptr = str;
3436         leftover = STR_LEN;
3437         p = len = 0;
3438         PRINT_FIELD(fc_ll_cc7, FC_LL_SA, "Short Wave (SA)");
3439         PRINT_FIELD(fc_ll_cc7, FC_LL_LC, "Long Wave(LC)");
3440         PRINT_FIELD(fc_tec_cc8, FC_TEC_SN, "Short Wave (SN)");
3441         PRINT_FIELD(fc_tec_cc8, FC_TEC_SL, "Short Wave (SL)");
3442         PRINT_FIELD(fc_tec_cc8, FC_TEC_LL, "Long Wave (LL)");
3443         ql_dbg(ql_dbg_init, vha, 0x016e,
3444             "SFP FC Link Tech: %s\n", str);
3445
3446         if (a0->length_km)
3447                 ql_dbg(ql_dbg_init, vha, 0x016f,
3448                     "SFP Distant: %d km\n", a0->length_km);
3449         if (a0->length_100m)
3450                 ql_dbg(ql_dbg_init, vha, 0x0170,
3451                     "SFP Distant: %d m\n", a0->length_100m*100);
3452         if (a0->length_50um_10m)
3453                 ql_dbg(ql_dbg_init, vha, 0x0189,
3454                     "SFP Distant (WL=50um): %d m\n", a0->length_50um_10m * 10);
3455         if (a0->length_62um_10m)
3456                 ql_dbg(ql_dbg_init, vha, 0x018a,
3457                   "SFP Distant (WL=62.5um): %d m\n", a0->length_62um_10m * 10);
3458         if (a0->length_om4_10m)
3459                 ql_dbg(ql_dbg_init, vha, 0x0194,
3460                     "SFP Distant (OM4): %d m\n", a0->length_om4_10m * 10);
3461         if (a0->length_om3_10m)
3462                 ql_dbg(ql_dbg_init, vha, 0x0195,
3463                     "SFP Distant (OM3): %d m\n", a0->length_om3_10m * 10);
3464 }
3465
3466
3467 /*
3468  * Return Code:
3469  *   QLA_SUCCESS: no action
3470  *   QLA_INTERFACE_ERROR: SFP is not there.
3471  *   QLA_FUNCTION_FAILED: detected New SFP
3472  */
3473 int
3474 qla24xx_detect_sfp(scsi_qla_host_t *vha)
3475 {
3476         int rc = QLA_SUCCESS;
3477         struct sff_8247_a0 *a;
3478         struct qla_hw_data *ha = vha->hw;
3479
3480         if (!AUTO_DETECT_SFP_SUPPORT(vha))
3481                 goto out;
3482
3483         rc = qla2x00_read_sfp_dev(vha, NULL, 0);
3484         if (rc)
3485                 goto out;
3486
3487         a = (struct sff_8247_a0 *)vha->hw->sfp_data;
3488         qla2xxx_print_sfp_info(vha);
3489
3490         if (a->fc_ll_cc7 & FC_LL_VL || a->fc_ll_cc7 & FC_LL_L) {
3491                 /* long range */
3492                 ha->flags.detected_lr_sfp = 1;
3493
3494                 if (a->length_km > 5 || a->length_100m > 50)
3495                         ha->long_range_distance = LR_DISTANCE_10K;
3496                 else
3497                         ha->long_range_distance = LR_DISTANCE_5K;
3498
3499                 if (ha->flags.detected_lr_sfp != ha->flags.using_lr_setting)
3500                         ql_dbg(ql_dbg_async, vha, 0x507b,
3501                             "Detected Long Range SFP.\n");
3502         } else {
3503                 /* short range */
3504                 ha->flags.detected_lr_sfp = 0;
3505                 if (ha->flags.using_lr_setting)
3506                         ql_dbg(ql_dbg_async, vha, 0x5084,
3507                             "Detected Short Range SFP.\n");
3508         }
3509
3510         if (!vha->flags.init_done)
3511                 rc = QLA_SUCCESS;
3512 out:
3513         return rc;
3514 }
3515
3516 /**
3517  * qla2x00_setup_chip() - Load and start RISC firmware.
3518  * @vha: HA context
3519  *
3520  * Returns 0 on success.
3521  */
3522 static int
3523 qla2x00_setup_chip(scsi_qla_host_t *vha)
3524 {
3525         int rval;
3526         uint32_t srisc_address = 0;
3527         struct qla_hw_data *ha = vha->hw;
3528         struct device_reg_2xxx __iomem *reg = &ha->iobase->isp;
3529         unsigned long flags;
3530         uint16_t fw_major_version;
3531
3532         if (IS_P3P_TYPE(ha)) {
3533                 rval = ha->isp_ops->load_risc(vha, &srisc_address);
3534                 if (rval == QLA_SUCCESS) {
3535                         qla2x00_stop_firmware(vha);
3536                         goto enable_82xx_npiv;
3537                 } else
3538                         goto failed;
3539         }
3540
3541         if (!IS_FWI2_CAPABLE(ha) && !IS_QLA2100(ha) && !IS_QLA2200(ha)) {
3542                 /* Disable SRAM, Instruction RAM and GP RAM parity.  */
3543                 spin_lock_irqsave(&ha->hardware_lock, flags);
3544                 WRT_REG_WORD(&reg->hccr, (HCCR_ENABLE_PARITY + 0x0));
3545                 RD_REG_WORD(&reg->hccr);
3546                 spin_unlock_irqrestore(&ha->hardware_lock, flags);
3547         }
3548
3549         qla81xx_mpi_sync(vha);
3550
3551         /* Load firmware sequences */
3552         rval = ha->isp_ops->load_risc(vha, &srisc_address);
3553         if (rval == QLA_SUCCESS) {
3554                 ql_dbg(ql_dbg_init, vha, 0x00c9,
3555                     "Verifying Checksum of loaded RISC code.\n");
3556
3557                 rval = qla2x00_verify_checksum(vha, srisc_address);
3558                 if (rval == QLA_SUCCESS) {
3559                         /* Start firmware execution. */
3560                         ql_dbg(ql_dbg_init, vha, 0x00ca,
3561                             "Starting firmware.\n");
3562
3563                         if (ql2xexlogins)
3564                                 ha->flags.exlogins_enabled = 1;
3565
3566                         if (qla_is_exch_offld_enabled(vha))
3567                                 ha->flags.exchoffld_enabled = 1;
3568
3569                         rval = qla2x00_execute_fw(vha, srisc_address);
3570                         /* Retrieve firmware information. */
3571                         if (rval == QLA_SUCCESS) {
3572                                 qla24xx_detect_sfp(vha);
3573
3574                                 if ((IS_QLA83XX(ha) || IS_QLA27XX(ha)) &&
3575                                     (ha->zio_mode == QLA_ZIO_MODE_6))
3576                                         qla27xx_set_zio_threshold(vha,
3577                                             ha->last_zio_threshold);
3578
3579                                 rval = qla2x00_set_exlogins_buffer(vha);
3580                                 if (rval != QLA_SUCCESS)
3581                                         goto failed;
3582
3583                                 rval = qla2x00_set_exchoffld_buffer(vha);
3584                                 if (rval != QLA_SUCCESS)
3585                                         goto failed;
3586
3587 enable_82xx_npiv:
3588                                 fw_major_version = ha->fw_major_version;
3589                                 if (IS_P3P_TYPE(ha))
3590                                         qla82xx_check_md_needed(vha);
3591                                 else
3592                                         rval = qla2x00_get_fw_version(vha);
3593                                 if (rval != QLA_SUCCESS)
3594                                         goto failed;
3595                                 ha->flags.npiv_supported = 0;
3596                                 if (IS_QLA2XXX_MIDTYPE(ha) &&
3597                                          (ha->fw_attributes & BIT_2)) {
3598                                         ha->flags.npiv_supported = 1;
3599                                         if ((!ha->max_npiv_vports) ||
3600                                             ((ha->max_npiv_vports + 1) %
3601                                             MIN_MULTI_ID_FABRIC))
3602                                                 ha->max_npiv_vports =
3603                                                     MIN_MULTI_ID_FABRIC - 1;
3604                                 }
3605                                 qla2x00_get_resource_cnts(vha);
3606
3607                                 /*
3608                                  * Allocate the array of outstanding commands
3609                                  * now that we know the firmware resources.
3610                                  */
3611                                 rval = qla2x00_alloc_outstanding_cmds(ha,
3612                                     vha->req);
3613                                 if (rval != QLA_SUCCESS)
3614                                         goto failed;
3615
3616                                 if (!fw_major_version && !(IS_P3P_TYPE(ha)))
3617                                         qla2x00_alloc_offload_mem(vha);
3618
3619                                 if (ql2xallocfwdump && !(IS_P3P_TYPE(ha)))
3620                                         qla2x00_alloc_fw_dump(vha);
3621
3622                         } else {
3623                                 goto failed;
3624                         }
3625                 } else {
3626                         ql_log(ql_log_fatal, vha, 0x00cd,
3627                             "ISP Firmware failed checksum.\n");
3628                         goto failed;
3629                 }
3630         } else
3631                 goto failed;
3632
3633         if (!IS_FWI2_CAPABLE(ha) && !IS_QLA2100(ha) && !IS_QLA2200(ha)) {
3634                 /* Enable proper parity. */
3635                 spin_lock_irqsave(&ha->hardware_lock, flags);
3636                 if (IS_QLA2300(ha))
3637                         /* SRAM parity */
3638                         WRT_REG_WORD(&reg->hccr, HCCR_ENABLE_PARITY + 0x1);
3639                 else
3640                         /* SRAM, Instruction RAM and GP RAM parity */
3641                         WRT_REG_WORD(&reg->hccr, HCCR_ENABLE_PARITY + 0x7);
3642                 RD_REG_WORD(&reg->hccr);
3643                 spin_unlock_irqrestore(&ha->hardware_lock, flags);
3644         }
3645
3646         if (IS_QLA27XX(ha))
3647                 ha->flags.fac_supported = 1;
3648         else if (rval == QLA_SUCCESS && IS_FAC_REQUIRED(ha)) {
3649                 uint32_t size;
3650
3651                 rval = qla81xx_fac_get_sector_size(vha, &size);
3652                 if (rval == QLA_SUCCESS) {
3653                         ha->flags.fac_supported = 1;
3654                         ha->fdt_block_size = size << 2;
3655                 } else {
3656                         ql_log(ql_log_warn, vha, 0x00ce,
3657                             "Unsupported FAC firmware (%d.%02d.%02d).\n",
3658                             ha->fw_major_version, ha->fw_minor_version,
3659                             ha->fw_subminor_version);
3660
3661                         if (IS_QLA83XX(ha) || IS_QLA27XX(ha)) {
3662                                 ha->flags.fac_supported = 0;
3663                                 rval = QLA_SUCCESS;
3664                         }
3665                 }
3666         }
3667 failed:
3668         if (rval) {
3669                 ql_log(ql_log_fatal, vha, 0x00cf,
3670                     "Setup chip ****FAILED****.\n");
3671         }
3672
3673         return (rval);
3674 }
3675
3676 /**
3677  * qla2x00_init_response_q_entries() - Initializes response queue entries.
3678  * @rsp: response queue
3679  *
3680  * Beginning of request ring has initialization control block already built
3681  * by nvram config routine.
3682  *
3683  * Returns 0 on success.
3684  */
3685 void
3686 qla2x00_init_response_q_entries(struct rsp_que *rsp)
3687 {
3688         uint16_t cnt;
3689         response_t *pkt;
3690
3691         rsp->ring_ptr = rsp->ring;
3692         rsp->ring_index    = 0;
3693         rsp->status_srb = NULL;
3694         pkt = rsp->ring_ptr;
3695         for (cnt = 0; cnt < rsp->length; cnt++) {
3696                 pkt->signature = RESPONSE_PROCESSED;
3697                 pkt++;
3698         }
3699 }
3700
3701 /**
3702  * qla2x00_update_fw_options() - Read and process firmware options.
3703  * @vha: HA context
3704  *
3705  * Returns 0 on success.
3706  */
3707 void
3708 qla2x00_update_fw_options(scsi_qla_host_t *vha)
3709 {
3710         uint16_t swing, emphasis, tx_sens, rx_sens;
3711         struct qla_hw_data *ha = vha->hw;
3712
3713         memset(ha->fw_options, 0, sizeof(ha->fw_options));
3714         qla2x00_get_fw_options(vha, ha->fw_options);
3715
3716         if (IS_QLA2100(ha) || IS_QLA2200(ha))
3717                 return;
3718
3719         /* Serial Link options. */
3720         ql_dbg(ql_dbg_init + ql_dbg_buffer, vha, 0x0115,
3721             "Serial link options.\n");
3722         ql_dump_buffer(ql_dbg_init + ql_dbg_buffer, vha, 0x0109,
3723             (uint8_t *)&ha->fw_seriallink_options,
3724             sizeof(ha->fw_seriallink_options));
3725
3726         ha->fw_options[1] &= ~FO1_SET_EMPHASIS_SWING;
3727         if (ha->fw_seriallink_options[3] & BIT_2) {
3728                 ha->fw_options[1] |= FO1_SET_EMPHASIS_SWING;
3729
3730                 /*  1G settings */
3731                 swing = ha->fw_seriallink_options[2] & (BIT_2 | BIT_1 | BIT_0);
3732                 emphasis = (ha->fw_seriallink_options[2] &
3733                     (BIT_4 | BIT_3)) >> 3;
3734                 tx_sens = ha->fw_seriallink_options[0] &
3735                     (BIT_3 | BIT_2 | BIT_1 | BIT_0);
3736                 rx_sens = (ha->fw_seriallink_options[0] &
3737                     (BIT_7 | BIT_6 | BIT_5 | BIT_4)) >> 4;
3738                 ha->fw_options[10] = (emphasis << 14) | (swing << 8);
3739                 if (IS_QLA2300(ha) || IS_QLA2312(ha) || IS_QLA6312(ha)) {
3740                         if (rx_sens == 0x0)
3741                                 rx_sens = 0x3;
3742                         ha->fw_options[10] |= (tx_sens << 4) | rx_sens;
3743                 } else if (IS_QLA2322(ha) || IS_QLA6322(ha))
3744                         ha->fw_options[10] |= BIT_5 |
3745                             ((rx_sens & (BIT_1 | BIT_0)) << 2) |
3746                             (tx_sens & (BIT_1 | BIT_0));
3747
3748                 /*  2G settings */
3749                 swing = (ha->fw_seriallink_options[2] &
3750                     (BIT_7 | BIT_6 | BIT_5)) >> 5;
3751                 emphasis = ha->fw_seriallink_options[3] & (BIT_1 | BIT_0);
3752                 tx_sens = ha->fw_seriallink_options[1] &
3753                     (BIT_3 | BIT_2 | BIT_1 | BIT_0);
3754                 rx_sens = (ha->fw_seriallink_options[1] &
3755                     (BIT_7 | BIT_6 | BIT_5 | BIT_4)) >> 4;
3756                 ha->fw_options[11] = (emphasis << 14) | (swing << 8);
3757                 if (IS_QLA2300(ha) || IS_QLA2312(ha) || IS_QLA6312(ha)) {
3758                         if (rx_sens == 0x0)
3759                                 rx_sens = 0x3;
3760                         ha->fw_options[11] |= (tx_sens << 4) | rx_sens;
3761                 } else if (IS_QLA2322(ha) || IS_QLA6322(ha))
3762                         ha->fw_options[11] |= BIT_5 |
3763                             ((rx_sens & (BIT_1 | BIT_0)) << 2) |
3764                             (tx_sens & (BIT_1 | BIT_0));
3765         }
3766
3767         /* FCP2 options. */
3768         /*  Return command IOCBs without waiting for an ABTS to complete. */
3769         ha->fw_options[3] |= BIT_13;
3770
3771         /* LED scheme. */
3772         if (ha->flags.enable_led_scheme)
3773                 ha->fw_options[2] |= BIT_12;
3774
3775         /* Detect ISP6312. */
3776         if (IS_QLA6312(ha))
3777                 ha->fw_options[2] |= BIT_13;
3778
3779         /* Set Retry FLOGI in case of P2P connection */
3780         if (ha->operating_mode == P2P) {
3781                 ha->fw_options[2] |= BIT_3;
3782                 ql_dbg(ql_dbg_disc, vha, 0x2100,
3783                     "(%s): Setting FLOGI retry BIT in fw_options[2]: 0x%x\n",
3784                         __func__, ha->fw_options[2]);
3785         }
3786
3787         /* Update firmware options. */
3788         qla2x00_set_fw_options(vha, ha->fw_options);
3789 }
3790
3791 void
3792 qla24xx_update_fw_options(scsi_qla_host_t *vha)
3793 {
3794         int rval;
3795         struct qla_hw_data *ha = vha->hw;
3796
3797         if (IS_P3P_TYPE(ha))
3798                 return;
3799
3800         /*  Hold status IOCBs until ABTS response received. */
3801         if (ql2xfwholdabts)
3802                 ha->fw_options[3] |= BIT_12;
3803
3804         /* Set Retry FLOGI in case of P2P connection */
3805         if (ha->operating_mode == P2P) {
3806                 ha->fw_options[2] |= BIT_3;
3807                 ql_dbg(ql_dbg_disc, vha, 0x2101,
3808                     "(%s): Setting FLOGI retry BIT in fw_options[2]: 0x%x\n",
3809                         __func__, ha->fw_options[2]);
3810         }
3811
3812         /* Move PUREX, ABTS RX & RIDA to ATIOQ */
3813         if (ql2xmvasynctoatio &&
3814             (IS_QLA83XX(ha) || IS_QLA27XX(ha))) {
3815                 if (qla_tgt_mode_enabled(vha) ||
3816                     qla_dual_mode_enabled(vha))
3817                         ha->fw_options[2] |= BIT_11;
3818                 else
3819                         ha->fw_options[2] &= ~BIT_11;
3820         }
3821
3822         if (IS_QLA25XX(ha) || IS_QLA83XX(ha) || IS_QLA27XX(ha)) {
3823                 /*
3824                  * Tell FW to track each exchange to prevent
3825                  * driver from using stale exchange.
3826                  */
3827                 if (qla_tgt_mode_enabled(vha) ||
3828                     qla_dual_mode_enabled(vha))
3829                         ha->fw_options[2] |= BIT_4;
3830                 else
3831                         ha->fw_options[2] &= ~BIT_4;
3832
3833                 /* Reserve 1/2 of emergency exchanges for ELS.*/
3834                 if (qla2xuseresexchforels)
3835                         ha->fw_options[2] |= BIT_8;
3836                 else
3837                         ha->fw_options[2] &= ~BIT_8;
3838         }
3839
3840         ql_dbg(ql_dbg_init, vha, 0x00e8,
3841             "%s, add FW options 1-3 = 0x%04x 0x%04x 0x%04x mode %x\n",
3842             __func__, ha->fw_options[1], ha->fw_options[2],
3843             ha->fw_options[3], vha->host->active_mode);
3844
3845         if (ha->fw_options[1] || ha->fw_options[2] || ha->fw_options[3])
3846                 qla2x00_set_fw_options(vha, ha->fw_options);
3847
3848         /* Update Serial Link options. */
3849         if ((le16_to_cpu(ha->fw_seriallink_options24[0]) & BIT_0) == 0)
3850                 return;
3851
3852         rval = qla2x00_set_serdes_params(vha,
3853             le16_to_cpu(ha->fw_seriallink_options24[1]),
3854             le16_to_cpu(ha->fw_seriallink_options24[2]),
3855             le16_to_cpu(ha->fw_seriallink_options24[3]));
3856         if (rval != QLA_SUCCESS) {
3857                 ql_log(ql_log_warn, vha, 0x0104,
3858                     "Unable to update Serial Link options (%x).\n", rval);
3859         }
3860 }
3861
3862 void
3863 qla2x00_config_rings(struct scsi_qla_host *vha)
3864 {
3865         struct qla_hw_data *ha = vha->hw;
3866         struct device_reg_2xxx __iomem *reg = &ha->iobase->isp;
3867         struct req_que *req = ha->req_q_map[0];
3868         struct rsp_que *rsp = ha->rsp_q_map[0];
3869
3870         /* Setup ring parameters in initialization control block. */
3871         ha->init_cb->request_q_outpointer = cpu_to_le16(0);
3872         ha->init_cb->response_q_inpointer = cpu_to_le16(0);
3873         ha->init_cb->request_q_length = cpu_to_le16(req->length);
3874         ha->init_cb->response_q_length = cpu_to_le16(rsp->length);
3875         ha->init_cb->request_q_address[0] = cpu_to_le32(LSD(req->dma));
3876         ha->init_cb->request_q_address[1] = cpu_to_le32(MSD(req->dma));
3877         ha->init_cb->response_q_address[0] = cpu_to_le32(LSD(rsp->dma));
3878         ha->init_cb->response_q_address[1] = cpu_to_le32(MSD(rsp->dma));
3879
3880         WRT_REG_WORD(ISP_REQ_Q_IN(ha, reg), 0);
3881         WRT_REG_WORD(ISP_REQ_Q_OUT(ha, reg), 0);
3882         WRT_REG_WORD(ISP_RSP_Q_IN(ha, reg), 0);
3883         WRT_REG_WORD(ISP_RSP_Q_OUT(ha, reg), 0);
3884         RD_REG_WORD(ISP_RSP_Q_OUT(ha, reg));            /* PCI Posting. */
3885 }
3886
3887 void
3888 qla24xx_config_rings(struct scsi_qla_host *vha)
3889 {
3890         struct qla_hw_data *ha = vha->hw;
3891         device_reg_t *reg = ISP_QUE_REG(ha, 0);
3892         struct device_reg_2xxx __iomem *ioreg = &ha->iobase->isp;
3893         struct qla_msix_entry *msix;
3894         struct init_cb_24xx *icb;
3895         uint16_t rid = 0;
3896         struct req_que *req = ha->req_q_map[0];
3897         struct rsp_que *rsp = ha->rsp_q_map[0];
3898
3899         /* Setup ring parameters in initialization control block. */
3900         icb = (struct init_cb_24xx *)ha->init_cb;
3901         icb->request_q_outpointer = cpu_to_le16(0);
3902         icb->response_q_inpointer = cpu_to_le16(0);
3903         icb->request_q_length = cpu_to_le16(req->length);
3904         icb->response_q_length = cpu_to_le16(rsp->length);
3905         icb->request_q_address[0] = cpu_to_le32(LSD(req->dma));
3906         icb->request_q_address[1] = cpu_to_le32(MSD(req->dma));
3907         icb->response_q_address[0] = cpu_to_le32(LSD(rsp->dma));
3908         icb->response_q_address[1] = cpu_to_le32(MSD(rsp->dma));
3909
3910         /* Setup ATIO queue dma pointers for target mode */
3911         icb->atio_q_inpointer = cpu_to_le16(0);
3912         icb->atio_q_length = cpu_to_le16(ha->tgt.atio_q_length);
3913         icb->atio_q_address[0] = cpu_to_le32(LSD(ha->tgt.atio_dma));
3914         icb->atio_q_address[1] = cpu_to_le32(MSD(ha->tgt.atio_dma));
3915
3916         if (IS_SHADOW_REG_CAPABLE(ha))
3917                 icb->firmware_options_2 |= cpu_to_le32(BIT_30|BIT_29);
3918
3919         if (ha->mqenable || IS_QLA83XX(ha) || IS_QLA27XX(ha)) {
3920                 icb->qos = cpu_to_le16(QLA_DEFAULT_QUE_QOS);
3921                 icb->rid = cpu_to_le16(rid);
3922                 if (ha->flags.msix_enabled) {
3923                         msix = &ha->msix_entries[1];
3924                         ql_dbg(ql_dbg_init, vha, 0x0019,
3925                             "Registering vector 0x%x for base que.\n",
3926                             msix->entry);
3927                         icb->msix = cpu_to_le16(msix->entry);
3928                 }
3929                 /* Use alternate PCI bus number */
3930                 if (MSB(rid))
3931                         icb->firmware_options_2 |= cpu_to_le32(BIT_19);
3932                 /* Use alternate PCI devfn */
3933                 if (LSB(rid))
3934                         icb->firmware_options_2 |= cpu_to_le32(BIT_18);
3935
3936                 /* Use Disable MSIX Handshake mode for capable adapters */
3937                 if ((ha->fw_attributes & BIT_6) && (IS_MSIX_NACK_CAPABLE(ha)) &&
3938                     (ha->flags.msix_enabled)) {
3939                         icb->firmware_options_2 &= cpu_to_le32(~BIT_22);
3940                         ha->flags.disable_msix_handshake = 1;
3941                         ql_dbg(ql_dbg_init, vha, 0x00fe,
3942                             "MSIX Handshake Disable Mode turned on.\n");
3943                 } else {
3944                         icb->firmware_options_2 |= cpu_to_le32(BIT_22);
3945                 }
3946                 icb->firmware_options_2 |= cpu_to_le32(BIT_23);
3947
3948                 WRT_REG_DWORD(&reg->isp25mq.req_q_in, 0);
3949                 WRT_REG_DWORD(&reg->isp25mq.req_q_out, 0);
3950                 WRT_REG_DWORD(&reg->isp25mq.rsp_q_in, 0);
3951                 WRT_REG_DWORD(&reg->isp25mq.rsp_q_out, 0);
3952         } else {
3953                 WRT_REG_DWORD(&reg->isp24.req_q_in, 0);
3954                 WRT_REG_DWORD(&reg->isp24.req_q_out, 0);
3955                 WRT_REG_DWORD(&reg->isp24.rsp_q_in, 0);
3956                 WRT_REG_DWORD(&reg->isp24.rsp_q_out, 0);
3957         }
3958         qlt_24xx_config_rings(vha);
3959
3960         /* PCI posting */
3961         RD_REG_DWORD(&ioreg->hccr);
3962 }
3963
3964 /**
3965  * qla2x00_init_rings() - Initializes firmware.
3966  * @vha: HA context
3967  *
3968  * Beginning of request ring has initialization control block already built
3969  * by nvram config routine.
3970  *
3971  * Returns 0 on success.
3972  */
3973 int
3974 qla2x00_init_rings(scsi_qla_host_t *vha)
3975 {
3976         int     rval;
3977         unsigned long flags = 0;
3978         int cnt, que;
3979         struct qla_hw_data *ha = vha->hw;
3980         struct req_que *req;
3981         struct rsp_que *rsp;
3982         struct mid_init_cb_24xx *mid_init_cb =
3983             (struct mid_init_cb_24xx *) ha->init_cb;
3984
3985         spin_lock_irqsave(&ha->hardware_lock, flags);
3986
3987         /* Clear outstanding commands array. */
3988         for (que = 0; que < ha->max_req_queues; que++) {
3989                 req = ha->req_q_map[que];
3990                 if (!req || !test_bit(que, ha->req_qid_map))
3991                         continue;
3992                 req->out_ptr = (void *)(req->ring + req->length);
3993                 *req->out_ptr = 0;
3994                 for (cnt = 1; cnt < req->num_outstanding_cmds; cnt++)
3995                         req->outstanding_cmds[cnt] = NULL;
3996
3997                 req->current_outstanding_cmd = 1;
3998
3999                 /* Initialize firmware. */
4000                 req->ring_ptr  = req->ring;
4001                 req->ring_index    = 0;
4002                 req->cnt      = req->length;
4003         }
4004
4005         for (que = 0; que < ha->max_rsp_queues; que++) {
4006                 rsp = ha->rsp_q_map[que];
4007                 if (!rsp || !test_bit(que, ha->rsp_qid_map))
4008                         continue;
4009                 rsp->in_ptr = (void *)(rsp->ring + rsp->length);
4010                 *rsp->in_ptr = 0;
4011                 /* Initialize response queue entries */
4012                 if (IS_QLAFX00(ha))
4013                         qlafx00_init_response_q_entries(rsp);
4014                 else
4015                         qla2x00_init_response_q_entries(rsp);
4016         }
4017
4018         ha->tgt.atio_ring_ptr = ha->tgt.atio_ring;
4019         ha->tgt.atio_ring_index = 0;
4020         /* Initialize ATIO queue entries */
4021         qlt_init_atio_q_entries(vha);
4022
4023         ha->isp_ops->config_rings(vha);
4024
4025         spin_unlock_irqrestore(&ha->hardware_lock, flags);
4026
4027         ql_dbg(ql_dbg_init, vha, 0x00d1, "Issue init firmware.\n");
4028
4029         if (IS_QLAFX00(ha)) {
4030                 rval = qlafx00_init_firmware(vha, ha->init_cb_size);
4031                 goto next_check;
4032         }
4033
4034         /* Update any ISP specific firmware options before initialization. */
4035         ha->isp_ops->update_fw_options(vha);
4036
4037         if (ha->flags.npiv_supported) {
4038                 if (ha->operating_mode == LOOP && !IS_CNA_CAPABLE(ha))
4039                         ha->max_npiv_vports = MIN_MULTI_ID_FABRIC - 1;
4040                 mid_init_cb->count = cpu_to_le16(ha->max_npiv_vports);
4041         }
4042
4043         if (IS_FWI2_CAPABLE(ha)) {
4044                 mid_init_cb->options = cpu_to_le16(BIT_1);
4045                 mid_init_cb->init_cb.execution_throttle =
4046                     cpu_to_le16(ha->cur_fw_xcb_count);
4047                 ha->flags.dport_enabled =
4048                     (mid_init_cb->init_cb.firmware_options_1 & BIT_7) != 0;
4049                 ql_dbg(ql_dbg_init, vha, 0x0191, "DPORT Support: %s.\n",
4050                     (ha->flags.dport_enabled) ? "enabled" : "disabled");
4051                 /* FA-WWPN Status */
4052                 ha->flags.fawwpn_enabled =
4053                     (mid_init_cb->init_cb.firmware_options_1 & BIT_6) != 0;
4054                 ql_dbg(ql_dbg_init, vha, 0x00bc, "FA-WWPN Support: %s.\n",
4055                     (ha->flags.fawwpn_enabled) ? "enabled" : "disabled");
4056         }
4057
4058         rval = qla2x00_init_firmware(vha, ha->init_cb_size);
4059 next_check:
4060         if (rval) {
4061                 ql_log(ql_log_fatal, vha, 0x00d2,
4062                     "Init Firmware **** FAILED ****.\n");
4063         } else {
4064                 ql_dbg(ql_dbg_init, vha, 0x00d3,
4065                     "Init Firmware -- success.\n");
4066                 QLA_FW_STARTED(ha);
4067                 vha->u_ql2xexchoffld = vha->u_ql2xiniexchg = 0;
4068         }
4069
4070         return (rval);
4071 }
4072
4073 /**
4074  * qla2x00_fw_ready() - Waits for firmware ready.
4075  * @vha: HA context
4076  *
4077  * Returns 0 on success.
4078  */
4079 static int
4080 qla2x00_fw_ready(scsi_qla_host_t *vha)
4081 {
4082         int             rval;
4083         unsigned long   wtime, mtime, cs84xx_time;
4084         uint16_t        min_wait;       /* Minimum wait time if loop is down */
4085         uint16_t        wait_time;      /* Wait time if loop is coming ready */
4086         uint16_t        state[6];
4087         struct qla_hw_data *ha = vha->hw;
4088
4089         if (IS_QLAFX00(vha->hw))
4090                 return qlafx00_fw_ready(vha);
4091
4092         rval = QLA_SUCCESS;
4093
4094         /* Time to wait for loop down */
4095         if (IS_P3P_TYPE(ha))
4096                 min_wait = 30;
4097         else
4098                 min_wait = 20;
4099
4100         /*
4101          * Firmware should take at most one RATOV to login, plus 5 seconds for
4102          * our own processing.
4103          */
4104         if ((wait_time = (ha->retry_count*ha->login_timeout) + 5) < min_wait) {
4105                 wait_time = min_wait;
4106         }
4107
4108         /* Min wait time if loop down */
4109         mtime = jiffies + (min_wait * HZ);
4110
4111         /* wait time before firmware ready */
4112         wtime = jiffies + (wait_time * HZ);
4113
4114         /* Wait for ISP to finish LIP */
4115         if (!vha->flags.init_done)
4116                 ql_log(ql_log_info, vha, 0x801e,
4117                     "Waiting for LIP to complete.\n");
4118
4119         do {
4120                 memset(state, -1, sizeof(state));
4121                 rval = qla2x00_get_firmware_state(vha, state);
4122                 if (rval == QLA_SUCCESS) {
4123                         if (state[0] < FSTATE_LOSS_OF_SYNC) {
4124                                 vha->device_flags &= ~DFLG_NO_CABLE;
4125                         }
4126                         if (IS_QLA84XX(ha) && state[0] != FSTATE_READY) {
4127                                 ql_dbg(ql_dbg_taskm, vha, 0x801f,
4128                                     "fw_state=%x 84xx=%x.\n", state[0],
4129                                     state[2]);
4130                                 if ((state[2] & FSTATE_LOGGED_IN) &&
4131                                      (state[2] & FSTATE_WAITING_FOR_VERIFY)) {
4132                                         ql_dbg(ql_dbg_taskm, vha, 0x8028,
4133                                             "Sending verify iocb.\n");
4134
4135                                         cs84xx_time = jiffies;
4136                                         rval = qla84xx_init_chip(vha);
4137                                         if (rval != QLA_SUCCESS) {
4138                                                 ql_log(ql_log_warn,
4139                                                     vha, 0x8007,
4140                                                     "Init chip failed.\n");
4141                                                 break;
4142                                         }
4143
4144                                         /* Add time taken to initialize. */
4145                                         cs84xx_time = jiffies - cs84xx_time;
4146                                         wtime += cs84xx_time;
4147                                         mtime += cs84xx_time;
4148                                         ql_dbg(ql_dbg_taskm, vha, 0x8008,
4149                                             "Increasing wait time by %ld. "
4150                                             "New time %ld.\n", cs84xx_time,
4151                                             wtime);
4152                                 }
4153                         } else if (state[0] == FSTATE_READY) {
4154                                 ql_dbg(ql_dbg_taskm, vha, 0x8037,
4155                                     "F/W Ready - OK.\n");
4156
4157                                 qla2x00_get_retry_cnt(vha, &ha->retry_count,
4158                                     &ha->login_timeout, &ha->r_a_tov);
4159
4160                                 rval = QLA_SUCCESS;
4161                                 break;
4162                         }
4163
4164                         rval = QLA_FUNCTION_FAILED;
4165
4166                         if (atomic_read(&vha->loop_down_timer) &&
4167                             state[0] != FSTATE_READY) {
4168                                 /* Loop down. Timeout on min_wait for states
4169                                  * other than Wait for Login.
4170                                  */
4171                                 if (time_after_eq(jiffies, mtime)) {
4172                                         ql_log(ql_log_info, vha, 0x8038,
4173                                             "Cable is unplugged...\n");
4174
4175                                         vha->device_flags |= DFLG_NO_CABLE;
4176                                         break;
4177                                 }
4178                         }
4179                 } else {
4180                         /* Mailbox cmd failed. Timeout on min_wait. */
4181                         if (time_after_eq(jiffies, mtime) ||
4182                                 ha->flags.isp82xx_fw_hung)
4183                                 break;
4184                 }
4185
4186                 if (time_after_eq(jiffies, wtime))
4187                         break;
4188
4189                 /* Delay for a while */
4190                 msleep(500);
4191         } while (1);
4192
4193         ql_dbg(ql_dbg_taskm, vha, 0x803a,
4194             "fw_state=%x (%x, %x, %x, %x %x) curr time=%lx.\n", state[0],
4195             state[1], state[2], state[3], state[4], state[5], jiffies);
4196
4197         if (rval && !(vha->device_flags & DFLG_NO_CABLE)) {
4198                 ql_log(ql_log_warn, vha, 0x803b,
4199                     "Firmware ready **** FAILED ****.\n");
4200         }
4201
4202         return (rval);
4203 }
4204
4205 /*
4206 *  qla2x00_configure_hba
4207 *      Setup adapter context.
4208 *
4209 * Input:
4210 *      ha = adapter state pointer.
4211 *
4212 * Returns:
4213 *      0 = success
4214 *
4215 * Context:
4216 *      Kernel context.
4217 */
4218 static int
4219 qla2x00_configure_hba(scsi_qla_host_t *vha)
4220 {
4221         int       rval;
4222         uint16_t      loop_id;
4223         uint16_t      topo;
4224         uint16_t      sw_cap;
4225         uint8_t       al_pa;
4226         uint8_t       area;
4227         uint8_t       domain;
4228         char            connect_type[22];
4229         struct qla_hw_data *ha = vha->hw;
4230         scsi_qla_host_t *base_vha = pci_get_drvdata(ha->pdev);
4231         port_id_t id;
4232         unsigned long flags;
4233
4234         /* Get host addresses. */
4235         rval = qla2x00_get_adapter_id(vha,
4236             &loop_id, &al_pa, &area, &domain, &topo, &sw_cap);
4237         if (rval != QLA_SUCCESS) {
4238                 if (LOOP_TRANSITION(vha) || atomic_read(&ha->loop_down_timer) ||
4239                     IS_CNA_CAPABLE(ha) ||
4240                     (rval == QLA_COMMAND_ERROR && loop_id == 0x7)) {
4241                         ql_dbg(ql_dbg_disc, vha, 0x2008,
4242                             "Loop is in a transition state.\n");
4243                 } else {
4244                         ql_log(ql_log_warn, vha, 0x2009,
4245                             "Unable to get host loop ID.\n");
4246                         if (IS_FWI2_CAPABLE(ha) && (vha == base_vha) &&
4247                             (rval == QLA_COMMAND_ERROR && loop_id == 0x1b)) {
4248                                 ql_log(ql_log_warn, vha, 0x1151,
4249                                     "Doing link init.\n");
4250                                 if (qla24xx_link_initialize(vha) == QLA_SUCCESS)
4251                                         return rval;
4252                         }
4253                         set_bit(ISP_ABORT_NEEDED, &vha->dpc_flags);
4254                 }
4255                 return (rval);
4256         }
4257
4258         if (topo == 4) {
4259                 ql_log(ql_log_info, vha, 0x200a,
4260                     "Cannot get topology - retrying.\n");
4261                 return (QLA_FUNCTION_FAILED);
4262         }
4263
4264         vha->loop_id = loop_id;
4265
4266         /* initialize */
4267         ha->min_external_loopid = SNS_FIRST_LOOP_ID;
4268         ha->operating_mode = LOOP;
4269         ha->switch_cap = 0;
4270
4271         switch (topo) {
4272         case 0:
4273                 ql_dbg(ql_dbg_disc, vha, 0x200b, "HBA in NL topology.\n");
4274                 ha->current_topology = ISP_CFG_NL;
4275                 strcpy(connect_type, "(Loop)");
4276                 break;
4277
4278         case 1:
4279                 ql_dbg(ql_dbg_disc, vha, 0x200c, "HBA in FL topology.\n");
4280                 ha->switch_cap = sw_cap;
4281                 ha->current_topology = ISP_CFG_FL;
4282                 strcpy(connect_type, "(FL_Port)");
4283                 break;
4284
4285         case 2:
4286                 ql_dbg(ql_dbg_disc, vha, 0x200d, "HBA in N P2P topology.\n");
4287                 ha->operating_mode = P2P;
4288                 ha->current_topology = ISP_CFG_N;
4289                 strcpy(connect_type, "(N_Port-to-N_Port)");
4290                 break;
4291
4292         case 3:
4293                 ql_dbg(ql_dbg_disc, vha, 0x200e, "HBA in F P2P topology.\n");
4294                 ha->switch_cap = sw_cap;
4295                 ha->operating_mode = P2P;
4296                 ha->current_topology = ISP_CFG_F;
4297                 strcpy(connect_type, "(F_Port)");
4298                 break;
4299
4300         default:
4301                 ql_dbg(ql_dbg_disc, vha, 0x200f,
4302                     "HBA in unknown topology %x, using NL.\n", topo);
4303                 ha->current_topology = ISP_CFG_NL;
4304                 strcpy(connect_type, "(Loop)");
4305                 break;
4306         }
4307
4308         /* Save Host port and loop ID. */
4309         /* byte order - Big Endian */
4310         id.b.domain = domain;
4311         id.b.area = area;
4312         id.b.al_pa = al_pa;
4313         id.b.rsvd_1 = 0;
4314         spin_lock_irqsave(&ha->hardware_lock, flags);
4315         if (!(topo == 2 && ha->flags.n2n_bigger))
4316                 qlt_update_host_map(vha, id);
4317         spin_unlock_irqrestore(&ha->hardware_lock, flags);
4318
4319         if (!vha->flags.init_done)
4320                 ql_log(ql_log_info, vha, 0x2010,
4321                     "Topology - %s, Host Loop address 0x%x.\n",
4322                     connect_type, vha->loop_id);
4323
4324         return(rval);
4325 }
4326
4327 inline void
4328 qla2x00_set_model_info(scsi_qla_host_t *vha, uint8_t *model, size_t len,
4329         char *def)
4330 {
4331         char *st, *en;
4332         uint16_t index;
4333         struct qla_hw_data *ha = vha->hw;
4334         int use_tbl = !IS_QLA24XX_TYPE(ha) && !IS_QLA25XX(ha) &&
4335             !IS_CNA_CAPABLE(ha) && !IS_QLA2031(ha);
4336
4337         if (memcmp(model, BINZERO, len) != 0) {
4338                 strncpy(ha->model_number, model, len);
4339                 st = en = ha->model_number;
4340                 en += len - 1;
4341                 while (en > st) {
4342                         if (*en != 0x20 && *en != 0x00)
4343                                 break;
4344                         *en-- = '\0';
4345                 }
4346
4347                 index = (ha->pdev->subsystem_device & 0xff);
4348                 if (use_tbl &&
4349                     ha->pdev->subsystem_vendor == PCI_VENDOR_ID_QLOGIC &&
4350                     index < QLA_MODEL_NAMES)
4351                         strncpy(ha->model_desc,
4352                             qla2x00_model_name[index * 2 + 1],
4353                             sizeof(ha->model_desc) - 1);
4354         } else {
4355                 index = (ha->pdev->subsystem_device & 0xff);
4356                 if (use_tbl &&
4357                     ha->pdev->subsystem_vendor == PCI_VENDOR_ID_QLOGIC &&
4358                     index < QLA_MODEL_NAMES) {
4359                         strcpy(ha->model_number,
4360                             qla2x00_model_name[index * 2]);
4361                         strncpy(ha->model_desc,
4362                             qla2x00_model_name[index * 2 + 1],
4363                             sizeof(ha->model_desc) - 1);
4364                 } else {
4365                         strcpy(ha->model_number, def);
4366                 }
4367         }
4368         if (IS_FWI2_CAPABLE(ha))
4369                 qla2xxx_get_vpd_field(vha, "\x82", ha->model_desc,
4370                     sizeof(ha->model_desc));
4371 }
4372
4373 /* On sparc systems, obtain port and node WWN from firmware
4374  * properties.
4375  */
4376 static void qla2xxx_nvram_wwn_from_ofw(scsi_qla_host_t *vha, nvram_t *nv)
4377 {
4378 #ifdef CONFIG_SPARC
4379         struct qla_hw_data *ha = vha->hw;
4380         struct pci_dev *pdev = ha->pdev;
4381         struct device_node *dp = pci_device_to_OF_node(pdev);
4382         const u8 *val;
4383         int len;
4384
4385         val = of_get_property(dp, "port-wwn", &len);
4386         if (val && len >= WWN_SIZE)
4387                 memcpy(nv->port_name, val, WWN_SIZE);
4388
4389         val = of_get_property(dp, "node-wwn", &len);
4390         if (val && len >= WWN_SIZE)
4391                 memcpy(nv->node_name, val, WWN_SIZE);
4392 #endif
4393 }
4394
4395 /*
4396 * NVRAM configuration for ISP 2xxx
4397 *
4398 * Input:
4399 *      ha                = adapter block pointer.
4400 *
4401 * Output:
4402 *      initialization control block in response_ring
4403 *      host adapters parameters in host adapter block
4404 *
4405 * Returns:
4406 *      0 = success.
4407 */
4408 int
4409 qla2x00_nvram_config(scsi_qla_host_t *vha)
4410 {
4411         int             rval;
4412         uint8_t         chksum = 0;
4413         uint16_t        cnt;
4414         uint8_t         *dptr1, *dptr2;
4415         struct qla_hw_data *ha = vha->hw;
4416         init_cb_t       *icb = ha->init_cb;
4417         nvram_t         *nv = ha->nvram;
4418         uint8_t         *ptr = ha->nvram;
4419         struct device_reg_2xxx __iomem *reg = &ha->iobase->isp;
4420
4421         rval = QLA_SUCCESS;
4422
4423         /* Determine NVRAM starting address. */
4424         ha->nvram_size = sizeof(nvram_t);
4425         ha->nvram_base = 0;
4426         if (!IS_QLA2100(ha) && !IS_QLA2200(ha) && !IS_QLA2300(ha))
4427                 if ((RD_REG_WORD(&reg->ctrl_status) >> 14) == 1)
4428                         ha->nvram_base = 0x80;
4429
4430         /* Get NVRAM data and calculate checksum. */
4431         ha->isp_ops->read_nvram(vha, ptr, ha->nvram_base, ha->nvram_size);
4432         for (cnt = 0, chksum = 0; cnt < ha->nvram_size; cnt++)
4433                 chksum += *ptr++;
4434
4435         ql_dbg(ql_dbg_init + ql_dbg_buffer, vha, 0x010f,
4436             "Contents of NVRAM.\n");
4437         ql_dump_buffer(ql_dbg_init + ql_dbg_buffer, vha, 0x0110,
4438             (uint8_t *)nv, ha->nvram_size);
4439
4440         /* Bad NVRAM data, set defaults parameters. */
4441         if (chksum || nv->id[0] != 'I' || nv->id[1] != 'S' ||
4442             nv->id[2] != 'P' || nv->id[3] != ' ' || nv->nvram_version < 1) {
4443                 /* Reset NVRAM data. */
4444                 ql_log(ql_log_warn, vha, 0x0064,
4445                     "Inconsistent NVRAM "
4446                     "detected: checksum=0x%x id=%c version=0x%x.\n",
4447                     chksum, nv->id[0], nv->nvram_version);
4448                 ql_log(ql_log_warn, vha, 0x0065,
4449                     "Falling back to "
4450                     "functioning (yet invalid -- WWPN) defaults.\n");
4451
4452                 /*
4453                  * Set default initialization control block.
4454                  */
4455                 memset(nv, 0, ha->nvram_size);
4456                 nv->parameter_block_version = ICB_VERSION;
4457
4458                 if (IS_QLA23XX(ha)) {
4459                         nv->firmware_options[0] = BIT_2 | BIT_1;
4460                         nv->firmware_options[1] = BIT_7 | BIT_5;
4461                         nv->add_firmware_options[0] = BIT_5;
4462                         nv->add_firmware_options[1] = BIT_5 | BIT_4;
4463                         nv->frame_payload_size = 2048;
4464                         nv->special_options[1] = BIT_7;
4465                 } else if (IS_QLA2200(ha)) {
4466                         nv->firmware_options[0] = BIT_2 | BIT_1;
4467                         nv->firmware_options[1] = BIT_7 | BIT_5;
4468                         nv->add_firmware_options[0] = BIT_5;
4469                         nv->add_firmware_options[1] = BIT_5 | BIT_4;
4470                         nv->frame_payload_size = 1024;
4471                 } else if (IS_QLA2100(ha)) {
4472                         nv->firmware_options[0] = BIT_3 | BIT_1;
4473                         nv->firmware_options[1] = BIT_5;
4474                         nv->frame_payload_size = 1024;
4475                 }
4476
4477                 nv->max_iocb_allocation = cpu_to_le16(256);
4478                 nv->execution_throttle = cpu_to_le16(16);
4479                 nv->retry_count = 8;
4480                 nv->retry_delay = 1;
4481
4482                 nv->port_name[0] = 33;
4483                 nv->port_name[3] = 224;
4484                 nv->port_name[4] = 139;
4485
4486                 qla2xxx_nvram_wwn_from_ofw(vha, nv);
4487
4488                 nv->login_timeout = 4;
4489
4490                 /*
4491                  * Set default host adapter parameters
4492                  */
4493                 nv->host_p[1] = BIT_2;
4494                 nv->reset_delay = 5;
4495                 nv->port_down_retry_count = 8;
4496                 nv->max_luns_per_target = cpu_to_le16(8);
4497                 nv->link_down_timeout = 60;
4498
4499                 rval = 1;
4500         }
4501
4502 #if defined(CONFIG_IA64_GENERIC) || defined(CONFIG_IA64_SGI_SN2)
4503         /*
4504          * The SN2 does not provide BIOS emulation which means you can't change
4505          * potentially bogus BIOS settings. Force the use of default settings
4506          * for link rate and frame size.  Hope that the rest of the settings
4507          * are valid.
4508          */
4509         if (ia64_platform_is("sn2")) {
4510                 nv->frame_payload_size = 2048;
4511                 if (IS_QLA23XX(ha))
4512                         nv->special_options[1] = BIT_7;
4513         }
4514 #endif
4515
4516         /* Reset Initialization control block */
4517         memset(icb, 0, ha->init_cb_size);
4518
4519         /*
4520          * Setup driver NVRAM options.
4521          */
4522         nv->firmware_options[0] |= (BIT_6 | BIT_1);
4523         nv->firmware_options[0] &= ~(BIT_5 | BIT_4);
4524         nv->firmware_options[1] |= (BIT_5 | BIT_0);
4525         nv->firmware_options[1] &= ~BIT_4;
4526
4527         if (IS_QLA23XX(ha)) {
4528                 nv->firmware_options[0] |= BIT_2;
4529                 nv->firmware_options[0] &= ~BIT_3;
4530                 nv->special_options[0] &= ~BIT_6;
4531                 nv->add_firmware_options[1] |= BIT_5 | BIT_4;
4532
4533                 if (IS_QLA2300(ha)) {
4534                         if (ha->fb_rev == FPM_2310) {
4535                                 strcpy(ha->model_number, "QLA2310");
4536                         } else {
4537                                 strcpy(ha->model_number, "QLA2300");
4538                         }
4539                 } else {
4540                         qla2x00_set_model_info(vha, nv->model_number,
4541                             sizeof(nv->model_number), "QLA23xx");
4542                 }
4543         } else if (IS_QLA2200(ha)) {
4544                 nv->firmware_options[0] |= BIT_2;
4545                 /*
4546                  * 'Point-to-point preferred, else loop' is not a safe
4547                  * connection mode setting.
4548                  */
4549                 if ((nv->add_firmware_options[0] & (BIT_6 | BIT_5 | BIT_4)) ==
4550                     (BIT_5 | BIT_4)) {
4551                         /* Force 'loop preferred, else point-to-point'. */
4552                         nv->add_firmware_options[0] &= ~(BIT_6 | BIT_5 | BIT_4);
4553                         nv->add_firmware_options[0] |= BIT_5;
4554                 }
4555                 strcpy(ha->model_number, "QLA22xx");
4556         } else /*if (IS_QLA2100(ha))*/ {
4557                 strcpy(ha->model_number, "QLA2100");
4558         }
4559
4560         /*
4561          * Copy over NVRAM RISC parameter block to initialization control block.
4562          */
4563         dptr1 = (uint8_t *)icb;
4564         dptr2 = (uint8_t *)&nv->parameter_block_version;
4565         cnt = (uint8_t *)&icb->request_q_outpointer - (uint8_t *)&icb->version;
4566         while (cnt--)
4567                 *dptr1++ = *dptr2++;
4568
4569         /* Copy 2nd half. */
4570         dptr1 = (uint8_t *)icb->add_firmware_options;
4571         cnt = (uint8_t *)icb->reserved_3 - (uint8_t *)icb->add_firmware_options;
4572         while (cnt--)
4573                 *dptr1++ = *dptr2++;
4574         ha->frame_payload_size = le16_to_cpu(icb->frame_payload_size);
4575         /* Use alternate WWN? */
4576         if (nv->host_p[1] & BIT_7) {
4577                 memcpy(icb->node_name, nv->alternate_node_name, WWN_SIZE);
4578                 memcpy(icb->port_name, nv->alternate_port_name, WWN_SIZE);
4579         }
4580
4581         /* Prepare nodename */
4582         if ((icb->firmware_options[1] & BIT_6) == 0) {
4583                 /*
4584                  * Firmware will apply the following mask if the nodename was
4585                  * not provided.
4586                  */
4587                 memcpy(icb->node_name, icb->port_name, WWN_SIZE);
4588                 icb->node_name[0] &= 0xF0;
4589         }
4590
4591         /*
4592          * Set host adapter parameters.
4593          */
4594
4595         /*
4596          * BIT_7 in the host-parameters section allows for modification to
4597          * internal driver logging.
4598          */
4599         if (nv->host_p[0] & BIT_7)
4600                 ql2xextended_error_logging = QL_DBG_DEFAULT1_MASK;
4601         ha->flags.disable_risc_code_load = ((nv->host_p[0] & BIT_4) ? 1 : 0);
4602         /* Always load RISC code on non ISP2[12]00 chips. */
4603         if (!IS_QLA2100(ha) && !IS_QLA2200(ha))
4604                 ha->flags.disable_risc_code_load = 0;
4605         ha->flags.enable_lip_reset = ((nv->host_p[1] & BIT_1) ? 1 : 0);
4606         ha->flags.enable_lip_full_login = ((nv->host_p[1] & BIT_2) ? 1 : 0);
4607         ha->flags.enable_target_reset = ((nv->host_p[1] & BIT_3) ? 1 : 0);
4608         ha->flags.enable_led_scheme = (nv->special_options[1] & BIT_4) ? 1 : 0;
4609         ha->flags.disable_serdes = 0;
4610
4611         ha->operating_mode =
4612             (icb->add_firmware_options[0] & (BIT_6 | BIT_5 | BIT_4)) >> 4;
4613
4614         memcpy(ha->fw_seriallink_options, nv->seriallink_options,
4615             sizeof(ha->fw_seriallink_options));
4616
4617         /* save HBA serial number */
4618         ha->serial0 = icb->port_name[5];
4619         ha->serial1 = icb->port_name[6];
4620         ha->serial2 = icb->port_name[7];
4621         memcpy(vha->node_name, icb->node_name, WWN_SIZE);
4622         memcpy(vha->port_name, icb->port_name, WWN_SIZE);
4623
4624         icb->execution_throttle = cpu_to_le16(0xFFFF);
4625
4626         ha->retry_count = nv->retry_count;
4627
4628         /* Set minimum login_timeout to 4 seconds. */
4629         if (nv->login_timeout != ql2xlogintimeout)
4630                 nv->login_timeout = ql2xlogintimeout;
4631         if (nv->login_timeout < 4)
4632                 nv->login_timeout = 4;
4633         ha->login_timeout = nv->login_timeout;
4634
4635         /* Set minimum RATOV to 100 tenths of a second. */
4636         ha->r_a_tov = 100;
4637
4638         ha->loop_reset_delay = nv->reset_delay;
4639
4640         /* Link Down Timeout = 0:
4641          *
4642          *      When Port Down timer expires we will start returning
4643          *      I/O's to OS with "DID_NO_CONNECT".
4644          *
4645          * Link Down Timeout != 0:
4646          *
4647          *       The driver waits for the link to come up after link down
4648          *       before returning I/Os to OS with "DID_NO_CONNECT".
4649          */
4650         if (nv->link_down_timeout == 0) {
4651                 ha->loop_down_abort_time =
4652                     (LOOP_DOWN_TIME - LOOP_DOWN_TIMEOUT);
4653         } else {
4654                 ha->link_down_timeout =  nv->link_down_timeout;
4655                 ha->loop_down_abort_time =
4656                     (LOOP_DOWN_TIME - ha->link_down_timeout);
4657         }
4658
4659         /*
4660          * Need enough time to try and get the port back.
4661          */
4662         ha->port_down_retry_count = nv->port_down_retry_count;
4663         if (qlport_down_retry)
4664                 ha->port_down_retry_count = qlport_down_retry;
4665         /* Set login_retry_count */
4666         ha->login_retry_count  = nv->retry_count;
4667         if (ha->port_down_retry_count == nv->port_down_retry_count &&
4668             ha->port_down_retry_count > 3)
4669                 ha->login_retry_count = ha->port_down_retry_count;
4670         else if (ha->port_down_retry_count > (int)ha->login_retry_count)
4671                 ha->login_retry_count = ha->port_down_retry_count;
4672         if (ql2xloginretrycount)
4673                 ha->login_retry_count = ql2xloginretrycount;
4674
4675         icb->lun_enables = cpu_to_le16(0);
4676         icb->command_resource_count = 0;
4677         icb->immediate_notify_resource_count = 0;
4678         icb->timeout = cpu_to_le16(0);
4679
4680         if (IS_QLA2100(ha) || IS_QLA2200(ha)) {
4681                 /* Enable RIO */
4682                 icb->firmware_options[0] &= ~BIT_3;
4683                 icb->add_firmware_options[0] &=
4684                     ~(BIT_3 | BIT_2 | BIT_1 | BIT_0);
4685                 icb->add_firmware_options[0] |= BIT_2;
4686                 icb->response_accumulation_timer = 3;
4687                 icb->interrupt_delay_timer = 5;
4688
4689                 vha->flags.process_response_queue = 1;
4690         } else {
4691                 /* Enable ZIO. */
4692                 if (!vha->flags.init_done) {
4693                         ha->zio_mode = icb->add_firmware_options[0] &
4694                             (BIT_3 | BIT_2 | BIT_1 | BIT_0);
4695                         ha->zio_timer = icb->interrupt_delay_timer ?
4696                             icb->interrupt_delay_timer: 2;
4697                 }
4698                 icb->add_firmware_options[0] &=
4699                     ~(BIT_3 | BIT_2 | BIT_1 | BIT_0);
4700                 vha->flags.process_response_queue = 0;
4701                 if (ha->zio_mode != QLA_ZIO_DISABLED) {
4702                         ha->zio_mode = QLA_ZIO_MODE_6;
4703
4704                         ql_log(ql_log_info, vha, 0x0068,
4705                             "ZIO mode %d enabled; timer delay (%d us).\n",
4706                             ha->zio_mode, ha->zio_timer * 100);
4707
4708                         icb->add_firmware_options[0] |= (uint8_t)ha->zio_mode;
4709                         icb->interrupt_delay_timer = (uint8_t)ha->zio_timer;
4710                         vha->flags.process_response_queue = 1;
4711                 }
4712         }
4713
4714         if (rval) {
4715                 ql_log(ql_log_warn, vha, 0x0069,
4716                     "NVRAM configuration failed.\n");
4717         }
4718         return (rval);
4719 }
4720
4721 static void
4722 qla2x00_rport_del(void *data)
4723 {
4724         fc_port_t *fcport = data;
4725         struct fc_rport *rport;
4726         unsigned long flags;
4727
4728         spin_lock_irqsave(fcport->vha->host->host_lock, flags);
4729         rport = fcport->drport ? fcport->drport: fcport->rport;
4730         fcport->drport = NULL;
4731         spin_unlock_irqrestore(fcport->vha->host->host_lock, flags);
4732         if (rport) {
4733                 ql_dbg(ql_dbg_disc, fcport->vha, 0x210b,
4734                     "%s %8phN. rport %p roles %x\n",
4735                     __func__, fcport->port_name, rport,
4736                     rport->roles);
4737
4738                 fc_remote_port_delete(rport);
4739         }
4740 }
4741
4742 /**
4743  * qla2x00_alloc_fcport() - Allocate a generic fcport.
4744  * @vha: HA context
4745  * @flags: allocation flags
4746  *
4747  * Returns a pointer to the allocated fcport, or NULL, if none available.
4748  */
4749 fc_port_t *
4750 qla2x00_alloc_fcport(scsi_qla_host_t *vha, gfp_t flags)
4751 {
4752         fc_port_t *fcport;
4753
4754         fcport = kzalloc(sizeof(fc_port_t), flags);
4755         if (!fcport)
4756                 return NULL;
4757
4758         /* Setup fcport template structure. */
4759         fcport->vha = vha;
4760         fcport->port_type = FCT_UNKNOWN;
4761         fcport->loop_id = FC_NO_LOOP_ID;
4762         qla2x00_set_fcport_state(fcport, FCS_UNCONFIGURED);
4763         fcport->supported_classes = FC_COS_UNSPECIFIED;
4764         fcport->fp_speed = PORT_SPEED_UNKNOWN;
4765
4766         fcport->ct_desc.ct_sns = dma_alloc_coherent(&vha->hw->pdev->dev,
4767                 sizeof(struct ct_sns_pkt), &fcport->ct_desc.ct_sns_dma,
4768                 flags);
4769         fcport->disc_state = DSC_DELETED;
4770         fcport->fw_login_state = DSC_LS_PORT_UNAVAIL;
4771         fcport->deleted = QLA_SESS_DELETED;
4772         fcport->login_retry = vha->hw->login_retry_count;
4773         fcport->logout_on_delete = 1;
4774
4775         if (!fcport->ct_desc.ct_sns) {
4776                 ql_log(ql_log_warn, vha, 0xd049,
4777                     "Failed to allocate ct_sns request.\n");
4778                 kfree(fcport);
4779                 fcport = NULL;
4780         }
4781         INIT_WORK(&fcport->del_work, qla24xx_delete_sess_fn);
4782         INIT_WORK(&fcport->reg_work, qla_register_fcport_fn);
4783         INIT_LIST_HEAD(&fcport->gnl_entry);
4784         INIT_LIST_HEAD(&fcport->list);
4785
4786         return fcport;
4787 }
4788
4789 void
4790 qla2x00_free_fcport(fc_port_t *fcport)
4791 {
4792         if (fcport->ct_desc.ct_sns) {
4793                 dma_free_coherent(&fcport->vha->hw->pdev->dev,
4794                         sizeof(struct ct_sns_pkt), fcport->ct_desc.ct_sns,
4795                         fcport->ct_desc.ct_sns_dma);
4796
4797                 fcport->ct_desc.ct_sns = NULL;
4798         }
4799         kfree(fcport);
4800 }
4801
4802 /*
4803  * qla2x00_configure_loop
4804  *      Updates Fibre Channel Device Database with what is actually on loop.
4805  *
4806  * Input:
4807  *      ha                = adapter block pointer.
4808  *
4809  * Returns:
4810  *      0 = success.
4811  *      1 = error.
4812  *      2 = database was full and device was not configured.
4813  */
4814 static int
4815 qla2x00_configure_loop(scsi_qla_host_t *vha)
4816 {
4817         int  rval;
4818         unsigned long flags, save_flags;
4819         struct qla_hw_data *ha = vha->hw;
4820         rval = QLA_SUCCESS;
4821
4822         /* Get Initiator ID */
4823         if (test_bit(LOCAL_LOOP_UPDATE, &vha->dpc_flags)) {
4824                 rval = qla2x00_configure_hba(vha);
4825                 if (rval != QLA_SUCCESS) {
4826                         ql_dbg(ql_dbg_disc, vha, 0x2013,
4827                             "Unable to configure HBA.\n");
4828                         return (rval);
4829                 }
4830         }
4831
4832         save_flags = flags = vha->dpc_flags;
4833         ql_dbg(ql_dbg_disc, vha, 0x2014,
4834             "Configure loop -- dpc flags = 0x%lx.\n", flags);
4835
4836         /*
4837          * If we have both an RSCN and PORT UPDATE pending then handle them
4838          * both at the same time.
4839          */
4840         clear_bit(LOCAL_LOOP_UPDATE, &vha->dpc_flags);
4841         clear_bit(RSCN_UPDATE, &vha->dpc_flags);
4842
4843         qla2x00_get_data_rate(vha);
4844
4845         /* Determine what we need to do */
4846         if (ha->current_topology == ISP_CFG_FL &&
4847             (test_bit(LOCAL_LOOP_UPDATE, &flags))) {
4848
4849                 set_bit(RSCN_UPDATE, &flags);
4850
4851         } else if (ha->current_topology == ISP_CFG_F &&
4852             (test_bit(LOCAL_LOOP_UPDATE, &flags))) {
4853
4854                 set_bit(RSCN_UPDATE, &flags);
4855                 clear_bit(LOCAL_LOOP_UPDATE, &flags);
4856
4857         } else if (ha->current_topology == ISP_CFG_N) {
4858                 clear_bit(RSCN_UPDATE, &flags);
4859                 if (qla_tgt_mode_enabled(vha)) {
4860                         /* allow the other side to start the login */
4861                         clear_bit(LOCAL_LOOP_UPDATE, &flags);
4862                         set_bit(RELOGIN_NEEDED, &vha->dpc_flags);
4863                 }
4864         } else if (ha->current_topology == ISP_CFG_NL) {
4865                 clear_bit(RSCN_UPDATE, &flags);
4866                 set_bit(LOCAL_LOOP_UPDATE, &flags);
4867         } else if (!vha->flags.online ||
4868             (test_bit(ABORT_ISP_ACTIVE, &flags))) {
4869                 set_bit(RSCN_UPDATE, &flags);
4870                 set_bit(LOCAL_LOOP_UPDATE, &flags);
4871         }
4872
4873         if (test_bit(LOCAL_LOOP_UPDATE, &flags)) {
4874                 if (test_bit(LOOP_RESYNC_NEEDED, &vha->dpc_flags)) {
4875                         ql_dbg(ql_dbg_disc, vha, 0x2015,
4876                             "Loop resync needed, failing.\n");
4877                         rval = QLA_FUNCTION_FAILED;
4878                 } else
4879                         rval = qla2x00_configure_local_loop(vha);
4880         }
4881
4882         if (rval == QLA_SUCCESS && test_bit(RSCN_UPDATE, &flags)) {
4883                 if (LOOP_TRANSITION(vha)) {
4884                         ql_dbg(ql_dbg_disc, vha, 0x2099,
4885                             "Needs RSCN update and loop transition.\n");
4886                         rval = QLA_FUNCTION_FAILED;
4887                 }
4888                 else
4889                         rval = qla2x00_configure_fabric(vha);
4890         }
4891
4892         if (rval == QLA_SUCCESS) {
4893                 if (atomic_read(&vha->loop_down_timer) ||
4894                     test_bit(LOOP_RESYNC_NEEDED, &vha->dpc_flags)) {
4895                         rval = QLA_FUNCTION_FAILED;
4896                 } else {
4897                         atomic_set(&vha->loop_state, LOOP_READY);
4898                         ql_dbg(ql_dbg_disc, vha, 0x2069,
4899                             "LOOP READY.\n");
4900                         ha->flags.fw_init_done = 1;
4901
4902                         /*
4903                          * Process any ATIO queue entries that came in
4904                          * while we weren't online.
4905                          */
4906                         if (qla_tgt_mode_enabled(vha) ||
4907                             qla_dual_mode_enabled(vha)) {
4908                                 spin_lock_irqsave(&ha->tgt.atio_lock, flags);
4909                                 qlt_24xx_process_atio_queue(vha, 0);
4910                                 spin_unlock_irqrestore(&ha->tgt.atio_lock,
4911                                     flags);
4912                         }
4913                 }
4914         }
4915
4916         if (rval) {
4917                 ql_dbg(ql_dbg_disc, vha, 0x206a,
4918                     "%s *** FAILED ***.\n", __func__);
4919         } else {
4920                 ql_dbg(ql_dbg_disc, vha, 0x206b,
4921                     "%s: exiting normally.\n", __func__);
4922         }
4923
4924         /* Restore state if a resync event occurred during processing */
4925         if (test_bit(LOOP_RESYNC_NEEDED, &vha->dpc_flags)) {
4926                 if (test_bit(LOCAL_LOOP_UPDATE, &save_flags))
4927                         set_bit(LOCAL_LOOP_UPDATE, &vha->dpc_flags);
4928                 if (test_bit(RSCN_UPDATE, &save_flags)) {
4929                         set_bit(RSCN_UPDATE, &vha->dpc_flags);
4930                 }
4931         }
4932
4933         return (rval);
4934 }
4935
4936 /*
4937  * qla2x00_configure_local_loop
4938  *      Updates Fibre Channel Device Database with local loop devices.
4939  *
4940  * Input:
4941  *      ha = adapter block pointer.
4942  *
4943  * Returns:
4944  *      0 = success.
4945  */
4946 static int
4947 qla2x00_configure_local_loop(scsi_qla_host_t *vha)
4948 {
4949         int             rval, rval2;
4950         int             found_devs;
4951         int             found;
4952         fc_port_t       *fcport, *new_fcport;
4953
4954         uint16_t        index;
4955         uint16_t        entries;
4956         char            *id_iter;
4957         uint16_t        loop_id;
4958         uint8_t         domain, area, al_pa;
4959         struct qla_hw_data *ha = vha->hw;
4960         unsigned long flags;
4961
4962         /* Inititae N2N login. */
4963         if (test_and_clear_bit(N2N_LOGIN_NEEDED, &vha->dpc_flags)) {
4964                 /* borrowing */
4965                 u32 *bp, i, sz;
4966
4967                 memset(ha->init_cb, 0, ha->init_cb_size);
4968                 sz = min_t(int, sizeof(struct els_plogi_payload),
4969                     ha->init_cb_size);
4970                 rval = qla24xx_get_port_login_templ(vha, ha->init_cb_dma,
4971                     (void *)ha->init_cb, sz);
4972                 if (rval == QLA_SUCCESS) {
4973                         bp = (uint32_t *)ha->init_cb;
4974                         for (i = 0; i < sz/4 ; i++, bp++)
4975                                 *bp = cpu_to_be32(*bp);
4976
4977                         memcpy(&ha->plogi_els_payld.data, (void *)ha->init_cb,
4978                             sizeof(ha->plogi_els_payld.data));
4979                         set_bit(RELOGIN_NEEDED, &vha->dpc_flags);
4980                 } else {
4981                         ql_dbg(ql_dbg_init, vha, 0x00d1,
4982                             "PLOGI ELS param read fail.\n");
4983                 }
4984                 return QLA_SUCCESS;
4985         }
4986
4987         found_devs = 0;
4988         new_fcport = NULL;
4989         entries = MAX_FIBRE_DEVICES_LOOP;
4990
4991         /* Get list of logged in devices. */
4992         memset(ha->gid_list, 0, qla2x00_gid_list_size(ha));
4993         rval = qla2x00_get_id_list(vha, ha->gid_list, ha->gid_list_dma,
4994             &entries);
4995         if (rval != QLA_SUCCESS)
4996                 goto cleanup_allocation;
4997
4998         ql_dbg(ql_dbg_disc, vha, 0x2011,
4999             "Entries in ID list (%d).\n", entries);
5000         ql_dump_buffer(ql_dbg_disc + ql_dbg_buffer, vha, 0x2075,
5001             (uint8_t *)ha->gid_list,
5002             entries * sizeof(struct gid_list_info));
5003
5004         if (entries == 0) {
5005                 spin_lock_irqsave(&vha->work_lock, flags);
5006                 vha->scan.scan_retry++;
5007                 spin_unlock_irqrestore(&vha->work_lock, flags);
5008
5009                 if (vha->scan.scan_retry < MAX_SCAN_RETRIES) {
5010                         set_bit(LOCAL_LOOP_UPDATE, &vha->dpc_flags);
5011                         set_bit(LOOP_RESYNC_NEEDED, &vha->dpc_flags);
5012                 }
5013         } else {
5014                 vha->scan.scan_retry = 0;
5015         }
5016
5017         list_for_each_entry(fcport, &vha->vp_fcports, list) {
5018                 fcport->scan_state = QLA_FCPORT_SCAN;
5019         }
5020
5021         /* Allocate temporary fcport for any new fcports discovered. */
5022         new_fcport = qla2x00_alloc_fcport(vha, GFP_KERNEL);
5023         if (new_fcport == NULL) {
5024                 ql_log(ql_log_warn, vha, 0x2012,
5025                     "Memory allocation failed for fcport.\n");
5026                 rval = QLA_MEMORY_ALLOC_FAILED;
5027                 goto cleanup_allocation;
5028         }
5029         new_fcport->flags &= ~FCF_FABRIC_DEVICE;
5030
5031         /* Add devices to port list. */
5032         id_iter = (char *)ha->gid_list;
5033         for (index = 0; index < entries; index++) {
5034                 domain = ((struct gid_list_info *)id_iter)->domain;
5035                 area = ((struct gid_list_info *)id_iter)->area;
5036                 al_pa = ((struct gid_list_info *)id_iter)->al_pa;
5037                 if (IS_QLA2100(ha) || IS_QLA2200(ha))
5038                         loop_id = (uint16_t)
5039                             ((struct gid_list_info *)id_iter)->loop_id_2100;
5040                 else
5041                         loop_id = le16_to_cpu(
5042                             ((struct gid_list_info *)id_iter)->loop_id);
5043                 id_iter += ha->gid_list_info_size;
5044
5045                 /* Bypass reserved domain fields. */
5046                 if ((domain & 0xf0) == 0xf0)
5047                         continue;
5048
5049                 /* Bypass if not same domain and area of adapter. */
5050                 if (area && domain &&
5051                     (area != vha->d_id.b.area || domain != vha->d_id.b.domain))
5052                         continue;
5053
5054                 /* Bypass invalid local loop ID. */
5055                 if (loop_id > LAST_LOCAL_LOOP_ID)
5056                         continue;
5057
5058                 memset(new_fcport->port_name, 0, WWN_SIZE);
5059
5060                 /* Fill in member data. */
5061                 new_fcport->d_id.b.domain = domain;
5062                 new_fcport->d_id.b.area = area;
5063                 new_fcport->d_id.b.al_pa = al_pa;
5064                 new_fcport->loop_id = loop_id;
5065                 new_fcport->scan_state = QLA_FCPORT_FOUND;
5066
5067                 rval2 = qla2x00_get_port_database(vha, new_fcport, 0);
5068                 if (rval2 != QLA_SUCCESS) {
5069                         ql_dbg(ql_dbg_disc, vha, 0x2097,
5070                             "Failed to retrieve fcport information "
5071                             "-- get_port_database=%x, loop_id=0x%04x.\n",
5072                             rval2, new_fcport->loop_id);
5073                         /* Skip retry if N2N */
5074                         if (ha->current_topology != ISP_CFG_N) {
5075                                 ql_dbg(ql_dbg_disc, vha, 0x2105,
5076                                     "Scheduling resync.\n");
5077                                 set_bit(LOOP_RESYNC_NEEDED, &vha->dpc_flags);
5078                                 continue;
5079                         }
5080                 }
5081
5082                 spin_lock_irqsave(&vha->hw->tgt.sess_lock, flags);
5083                 /* Check for matching device in port list. */
5084                 found = 0;
5085                 fcport = NULL;
5086                 list_for_each_entry(fcport, &vha->vp_fcports, list) {
5087                         if (memcmp(new_fcport->port_name, fcport->port_name,
5088                             WWN_SIZE))
5089                                 continue;
5090
5091                         fcport->flags &= ~FCF_FABRIC_DEVICE;
5092                         fcport->loop_id = new_fcport->loop_id;
5093                         fcport->port_type = new_fcport->port_type;
5094                         fcport->d_id.b24 = new_fcport->d_id.b24;
5095                         memcpy(fcport->node_name, new_fcport->node_name,
5096                             WWN_SIZE);
5097                         fcport->scan_state = QLA_FCPORT_FOUND;
5098                         found++;
5099                         break;
5100                 }
5101
5102                 if (!found) {
5103                         /* New device, add to fcports list. */
5104                         list_add_tail(&new_fcport->list, &vha->vp_fcports);
5105
5106                         /* Allocate a new replacement fcport. */
5107                         fcport = new_fcport;
5108
5109                         spin_unlock_irqrestore(&vha->hw->tgt.sess_lock, flags);
5110
5111                         new_fcport = qla2x00_alloc_fcport(vha, GFP_KERNEL);
5112
5113                         if (new_fcport == NULL) {
5114                                 ql_log(ql_log_warn, vha, 0xd031,
5115                                     "Failed to allocate memory for fcport.\n");
5116                                 rval = QLA_MEMORY_ALLOC_FAILED;
5117                                 goto cleanup_allocation;
5118                         }
5119                         spin_lock_irqsave(&vha->hw->tgt.sess_lock, flags);
5120                         new_fcport->flags &= ~FCF_FABRIC_DEVICE;
5121                 }
5122
5123                 spin_unlock_irqrestore(&vha->hw->tgt.sess_lock, flags);
5124
5125                 /* Base iIDMA settings on HBA port speed. */
5126                 fcport->fp_speed = ha->link_data_rate;
5127
5128                 found_devs++;
5129         }
5130
5131         list_for_each_entry(fcport, &vha->vp_fcports, list) {
5132                 if (test_bit(LOOP_RESYNC_NEEDED, &vha->dpc_flags))
5133                         break;
5134
5135                 if (fcport->scan_state == QLA_FCPORT_SCAN) {
5136                         if ((qla_dual_mode_enabled(vha) ||
5137                             qla_ini_mode_enabled(vha)) &&
5138                             atomic_read(&fcport->state) == FCS_ONLINE) {
5139                                 qla2x00_mark_device_lost(vha, fcport,
5140                                         ql2xplogiabsentdevice, 0);
5141                                 if (fcport->loop_id != FC_NO_LOOP_ID &&
5142                                     (fcport->flags & FCF_FCP2_DEVICE) == 0 &&
5143                                     fcport->port_type != FCT_INITIATOR &&
5144                                     fcport->port_type != FCT_BROADCAST) {
5145                                         ql_dbg(ql_dbg_disc, vha, 0x20f0,
5146                                             "%s %d %8phC post del sess\n",
5147                                             __func__, __LINE__,
5148                                             fcport->port_name);
5149
5150                                         qlt_schedule_sess_for_deletion(fcport);
5151                                         continue;
5152                                 }
5153                         }
5154                 }
5155
5156                 if (fcport->scan_state == QLA_FCPORT_FOUND)
5157                         qla24xx_fcport_handle_login(vha, fcport);
5158         }
5159
5160 cleanup_allocation:
5161         kfree(new_fcport);
5162
5163         if (rval != QLA_SUCCESS) {
5164                 ql_dbg(ql_dbg_disc, vha, 0x2098,
5165                     "Configure local loop error exit: rval=%x.\n", rval);
5166         }
5167
5168         return (rval);
5169 }
5170
5171 static void
5172 qla2x00_iidma_fcport(scsi_qla_host_t *vha, fc_port_t *fcport)
5173 {
5174         int rval;
5175         uint16_t mb[MAILBOX_REGISTER_COUNT];
5176         struct qla_hw_data *ha = vha->hw;
5177
5178         if (!IS_IIDMA_CAPABLE(ha))
5179                 return;
5180
5181         if (atomic_read(&fcport->state) != FCS_ONLINE)
5182                 return;
5183
5184         if (fcport->fp_speed == PORT_SPEED_UNKNOWN ||
5185             fcport->fp_speed > ha->link_data_rate ||
5186             !ha->flags.gpsc_supported)
5187                 return;
5188
5189         rval = qla2x00_set_idma_speed(vha, fcport->loop_id, fcport->fp_speed,
5190             mb);
5191         if (rval != QLA_SUCCESS) {
5192                 ql_dbg(ql_dbg_disc, vha, 0x2004,
5193                     "Unable to adjust iIDMA %8phN -- %04x %x %04x %04x.\n",
5194                     fcport->port_name, rval, fcport->fp_speed, mb[0], mb[1]);
5195         } else {
5196                 ql_dbg(ql_dbg_disc, vha, 0x2005,
5197                     "iIDMA adjusted to %s GB/s (%X) on %8phN.\n",
5198                     qla2x00_get_link_speed_str(ha, fcport->fp_speed),
5199                     fcport->fp_speed, fcport->port_name);
5200         }
5201 }
5202
5203 void qla_do_iidma_work(struct scsi_qla_host *vha, fc_port_t *fcport)
5204 {
5205         qla2x00_iidma_fcport(vha, fcport);
5206         qla24xx_update_fcport_fcp_prio(vha, fcport);
5207 }
5208
5209 int qla_post_iidma_work(struct scsi_qla_host *vha, fc_port_t *fcport)
5210 {
5211         struct qla_work_evt *e;
5212
5213         e = qla2x00_alloc_work(vha, QLA_EVT_IIDMA);
5214         if (!e)
5215                 return QLA_FUNCTION_FAILED;
5216
5217         e->u.fcport.fcport = fcport;
5218         return qla2x00_post_work(vha, e);
5219 }
5220
5221 /* qla2x00_reg_remote_port is reserved for Initiator Mode only.*/
5222 static void
5223 qla2x00_reg_remote_port(scsi_qla_host_t *vha, fc_port_t *fcport)
5224 {
5225         struct fc_rport_identifiers rport_ids;
5226         struct fc_rport *rport;
5227         unsigned long flags;
5228
5229         if (atomic_read(&fcport->state) == FCS_ONLINE)
5230                 return;
5231
5232         rport_ids.node_name = wwn_to_u64(fcport->node_name);
5233         rport_ids.port_name = wwn_to_u64(fcport->port_name);
5234         rport_ids.port_id = fcport->d_id.b.domain << 16 |
5235             fcport->d_id.b.area << 8 | fcport->d_id.b.al_pa;
5236         rport_ids.roles = FC_RPORT_ROLE_UNKNOWN;
5237         fcport->rport = rport = fc_remote_port_add(vha->host, 0, &rport_ids);
5238         if (!rport) {
5239                 ql_log(ql_log_warn, vha, 0x2006,
5240                     "Unable to allocate fc remote port.\n");
5241                 return;
5242         }
5243
5244         spin_lock_irqsave(fcport->vha->host->host_lock, flags);
5245         *((fc_port_t **)rport->dd_data) = fcport;
5246         spin_unlock_irqrestore(fcport->vha->host->host_lock, flags);
5247
5248         rport->supported_classes = fcport->supported_classes;
5249
5250         rport_ids.roles = FC_RPORT_ROLE_UNKNOWN;
5251         if (fcport->port_type == FCT_INITIATOR)
5252                 rport_ids.roles |= FC_RPORT_ROLE_FCP_INITIATOR;
5253         if (fcport->port_type == FCT_TARGET)
5254                 rport_ids.roles |= FC_RPORT_ROLE_FCP_TARGET;
5255
5256         ql_dbg(ql_dbg_disc, vha, 0x20ee,
5257             "%s %8phN. rport %p is %s mode\n",
5258             __func__, fcport->port_name, rport,
5259             (fcport->port_type == FCT_TARGET) ? "tgt" : "ini");
5260
5261         fc_remote_port_rolechg(rport, rport_ids.roles);
5262 }
5263
5264 /*
5265  * qla2x00_update_fcport
5266  *      Updates device on list.
5267  *
5268  * Input:
5269  *      ha = adapter block pointer.
5270  *      fcport = port structure pointer.
5271  *
5272  * Return:
5273  *      0  - Success
5274  *  BIT_0 - error
5275  *
5276  * Context:
5277  *      Kernel context.
5278  */
5279 void
5280 qla2x00_update_fcport(scsi_qla_host_t *vha, fc_port_t *fcport)
5281 {
5282         if (IS_SW_RESV_ADDR(fcport->d_id))
5283                 return;
5284
5285         ql_dbg(ql_dbg_disc, vha, 0x20ef, "%s %8phC\n",
5286             __func__, fcport->port_name);
5287
5288         fcport->disc_state = DSC_UPD_FCPORT;
5289         fcport->login_retry = vha->hw->login_retry_count;
5290         fcport->flags &= ~(FCF_LOGIN_NEEDED | FCF_ASYNC_SENT);
5291         fcport->deleted = 0;
5292         fcport->logout_on_delete = 1;
5293         fcport->login_retry = vha->hw->login_retry_count;
5294         fcport->n2n_chip_reset = fcport->n2n_link_reset_cnt = 0;
5295
5296         switch (vha->hw->current_topology) {
5297         case ISP_CFG_N:
5298         case ISP_CFG_NL:
5299                 fcport->keep_nport_handle = 1;
5300                 break;
5301         default:
5302                 break;
5303         }
5304
5305         qla2x00_iidma_fcport(vha, fcport);
5306
5307         if (fcport->fc4f_nvme) {
5308                 qla_nvme_register_remote(vha, fcport);
5309                 fcport->disc_state = DSC_LOGIN_COMPLETE;
5310                 qla2x00_set_fcport_state(fcport, FCS_ONLINE);
5311                 return;
5312         }
5313
5314         qla24xx_update_fcport_fcp_prio(vha, fcport);
5315
5316         switch (vha->host->active_mode) {
5317         case MODE_INITIATOR:
5318                 qla2x00_reg_remote_port(vha, fcport);
5319                 break;
5320         case MODE_TARGET:
5321                 if (!vha->vha_tgt.qla_tgt->tgt_stop &&
5322                         !vha->vha_tgt.qla_tgt->tgt_stopped)
5323                         qlt_fc_port_added(vha, fcport);
5324                 break;
5325         case MODE_DUAL:
5326                 qla2x00_reg_remote_port(vha, fcport);
5327                 if (!vha->vha_tgt.qla_tgt->tgt_stop &&
5328                         !vha->vha_tgt.qla_tgt->tgt_stopped)
5329                         qlt_fc_port_added(vha, fcport);
5330                 break;
5331         default:
5332                 break;
5333         }
5334
5335         qla2x00_set_fcport_state(fcport, FCS_ONLINE);
5336
5337         if (IS_IIDMA_CAPABLE(vha->hw) && vha->hw->flags.gpsc_supported) {
5338                 if (fcport->id_changed) {
5339                         fcport->id_changed = 0;
5340                         ql_dbg(ql_dbg_disc, vha, 0x20d7,
5341                             "%s %d %8phC post gfpnid fcp_cnt %d\n",
5342                             __func__, __LINE__, fcport->port_name,
5343                             vha->fcport_count);
5344                         qla24xx_post_gfpnid_work(vha, fcport);
5345                 } else {
5346                         ql_dbg(ql_dbg_disc, vha, 0x20d7,
5347                             "%s %d %8phC post gpsc fcp_cnt %d\n",
5348                             __func__, __LINE__, fcport->port_name,
5349                             vha->fcport_count);
5350                         qla24xx_post_gpsc_work(vha, fcport);
5351                 }
5352         }
5353
5354         fcport->disc_state = DSC_LOGIN_COMPLETE;
5355 }
5356
5357 void qla_register_fcport_fn(struct work_struct *work)
5358 {
5359         fc_port_t *fcport = container_of(work, struct fc_port, reg_work);
5360         u32 rscn_gen = fcport->rscn_gen;
5361         u16 data[2];
5362
5363         if (IS_SW_RESV_ADDR(fcport->d_id))
5364                 return;
5365
5366         qla2x00_update_fcport(fcport->vha, fcport);
5367
5368         if (rscn_gen != fcport->rscn_gen) {
5369                 /* RSCN(s) came in while registration */
5370                 switch (fcport->next_disc_state) {
5371                 case DSC_DELETE_PEND:
5372                         qlt_schedule_sess_for_deletion(fcport);
5373                         break;
5374                 case DSC_ADISC:
5375                         data[0] = data[1] = 0;
5376                         qla2x00_post_async_adisc_work(fcport->vha, fcport,
5377                             data);
5378                         break;
5379                 default:
5380                         break;
5381                 }
5382         }
5383 }
5384
5385 /*
5386  * qla2x00_configure_fabric
5387  *      Setup SNS devices with loop ID's.
5388  *
5389  * Input:
5390  *      ha = adapter block pointer.
5391  *
5392  * Returns:
5393  *      0 = success.
5394  *      BIT_0 = error
5395  */
5396 static int
5397 qla2x00_configure_fabric(scsi_qla_host_t *vha)
5398 {
5399         int     rval;
5400         fc_port_t       *fcport;
5401         uint16_t        mb[MAILBOX_REGISTER_COUNT];
5402         uint16_t        loop_id;
5403         LIST_HEAD(new_fcports);
5404         struct qla_hw_data *ha = vha->hw;
5405         int             discovery_gen;
5406
5407         /* If FL port exists, then SNS is present */
5408         if (IS_FWI2_CAPABLE(ha))
5409                 loop_id = NPH_F_PORT;
5410         else
5411                 loop_id = SNS_FL_PORT;
5412         rval = qla2x00_get_port_name(vha, loop_id, vha->fabric_node_name, 1);
5413         if (rval != QLA_SUCCESS) {
5414                 ql_dbg(ql_dbg_disc, vha, 0x20a0,
5415                     "MBX_GET_PORT_NAME failed, No FL Port.\n");
5416
5417                 vha->device_flags &= ~SWITCH_FOUND;
5418                 return (QLA_SUCCESS);
5419         }
5420         vha->device_flags |= SWITCH_FOUND;
5421
5422
5423         if (qla_tgt_mode_enabled(vha) || qla_dual_mode_enabled(vha)) {
5424                 rval = qla2x00_send_change_request(vha, 0x3, 0);
5425                 if (rval != QLA_SUCCESS)
5426                         ql_log(ql_log_warn, vha, 0x121,
5427                                 "Failed to enable receiving of RSCN requests: 0x%x.\n",
5428                                 rval);
5429         }
5430
5431
5432         do {
5433                 qla2x00_mgmt_svr_login(vha);
5434
5435                 /* FDMI support. */
5436                 if (ql2xfdmienable &&
5437                     test_and_clear_bit(REGISTER_FDMI_NEEDED, &vha->dpc_flags))
5438                         qla2x00_fdmi_register(vha);
5439
5440                 /* Ensure we are logged into the SNS. */
5441                 loop_id = NPH_SNS_LID(ha);
5442                 rval = ha->isp_ops->fabric_login(vha, loop_id, 0xff, 0xff,
5443                     0xfc, mb, BIT_1|BIT_0);
5444                 if (rval != QLA_SUCCESS || mb[0] != MBS_COMMAND_COMPLETE) {
5445                         ql_dbg(ql_dbg_disc, vha, 0x20a1,
5446                             "Failed SNS login: loop_id=%x mb[0]=%x mb[1]=%x mb[2]=%x mb[6]=%x mb[7]=%x (%x).\n",
5447                             loop_id, mb[0], mb[1], mb[2], mb[6], mb[7], rval);
5448                         set_bit(LOOP_RESYNC_NEEDED, &vha->dpc_flags);
5449                         return rval;
5450                 }
5451                 if (test_and_clear_bit(REGISTER_FC4_NEEDED, &vha->dpc_flags)) {
5452                         if (qla2x00_rft_id(vha)) {
5453                                 /* EMPTY */
5454                                 ql_dbg(ql_dbg_disc, vha, 0x20a2,
5455                                     "Register FC-4 TYPE failed.\n");
5456                                 if (test_bit(LOOP_RESYNC_NEEDED,
5457                                     &vha->dpc_flags))
5458                                         break;
5459                         }
5460                         if (qla2x00_rff_id(vha, FC4_TYPE_FCP_SCSI)) {
5461                                 /* EMPTY */
5462                                 ql_dbg(ql_dbg_disc, vha, 0x209a,
5463                                     "Register FC-4 Features failed.\n");
5464                                 if (test_bit(LOOP_RESYNC_NEEDED,
5465                                     &vha->dpc_flags))
5466                                         break;
5467                         }
5468                         if (vha->flags.nvme_enabled) {
5469                                 if (qla2x00_rff_id(vha, FC_TYPE_NVME)) {
5470                                         ql_dbg(ql_dbg_disc, vha, 0x2049,
5471                                             "Register NVME FC Type Features failed.\n");
5472                                 }
5473                         }
5474                         if (qla2x00_rnn_id(vha)) {
5475                                 /* EMPTY */
5476                                 ql_dbg(ql_dbg_disc, vha, 0x2104,
5477                                     "Register Node Name failed.\n");
5478                                 if (test_bit(LOOP_RESYNC_NEEDED,
5479                                     &vha->dpc_flags))
5480                                         break;
5481                         } else if (qla2x00_rsnn_nn(vha)) {
5482                                 /* EMPTY */
5483                                 ql_dbg(ql_dbg_disc, vha, 0x209b,
5484                                     "Register Symbolic Node Name failed.\n");
5485                                 if (test_bit(LOOP_RESYNC_NEEDED, &vha->dpc_flags))
5486                                         break;
5487                         }
5488                 }
5489
5490
5491                 /* Mark the time right before querying FW for connected ports.
5492                  * This process is long, asynchronous and by the time it's done,
5493                  * collected information might not be accurate anymore. E.g.
5494                  * disconnected port might have re-connected and a brand new
5495                  * session has been created. In this case session's generation
5496                  * will be newer than discovery_gen. */
5497                 qlt_do_generation_tick(vha, &discovery_gen);
5498
5499                 if (USE_ASYNC_SCAN(ha)) {
5500                         rval = qla24xx_async_gpnft(vha, FC4_TYPE_FCP_SCSI,
5501                             NULL);
5502                         if (rval)
5503                                 set_bit(LOOP_RESYNC_NEEDED, &vha->dpc_flags);
5504                 } else  {
5505                         list_for_each_entry(fcport, &vha->vp_fcports, list)
5506                                 fcport->scan_state = QLA_FCPORT_SCAN;
5507
5508                         rval = qla2x00_find_all_fabric_devs(vha);
5509                 }
5510                 if (rval != QLA_SUCCESS)
5511                         break;
5512         } while (0);
5513
5514         if (!vha->nvme_local_port && vha->flags.nvme_enabled)
5515                 qla_nvme_register_hba(vha);
5516
5517         if (rval)
5518                 ql_dbg(ql_dbg_disc, vha, 0x2068,
5519                     "Configure fabric error exit rval=%d.\n", rval);
5520
5521         return (rval);
5522 }
5523
5524 /*
5525  * qla2x00_find_all_fabric_devs
5526  *
5527  * Input:
5528  *      ha = adapter block pointer.
5529  *      dev = database device entry pointer.
5530  *
5531  * Returns:
5532  *      0 = success.
5533  *
5534  * Context:
5535  *      Kernel context.
5536  */
5537 static int
5538 qla2x00_find_all_fabric_devs(scsi_qla_host_t *vha)
5539 {
5540         int             rval;
5541         uint16_t        loop_id;
5542         fc_port_t       *fcport, *new_fcport;
5543         int             found;
5544
5545         sw_info_t       *swl;
5546         int             swl_idx;
5547         int             first_dev, last_dev;
5548         port_id_t       wrap = {}, nxt_d_id;
5549         struct qla_hw_data *ha = vha->hw;
5550         struct scsi_qla_host *base_vha = pci_get_drvdata(ha->pdev);
5551         unsigned long flags;
5552
5553         rval = QLA_SUCCESS;
5554
5555         /* Try GID_PT to get device list, else GAN. */
5556         if (!ha->swl)
5557                 ha->swl = kcalloc(ha->max_fibre_devices, sizeof(sw_info_t),
5558                     GFP_KERNEL);
5559         swl = ha->swl;
5560         if (!swl) {
5561                 /*EMPTY*/
5562                 ql_dbg(ql_dbg_disc, vha, 0x209c,
5563                     "GID_PT allocations failed, fallback on GA_NXT.\n");
5564         } else {
5565                 memset(swl, 0, ha->max_fibre_devices * sizeof(sw_info_t));
5566                 if (qla2x00_gid_pt(vha, swl) != QLA_SUCCESS) {
5567                         swl = NULL;
5568                         if (test_bit(LOOP_RESYNC_NEEDED, &vha->dpc_flags))
5569                                 return rval;
5570                 } else if (qla2x00_gpn_id(vha, swl) != QLA_SUCCESS) {
5571                         swl = NULL;
5572                         if (test_bit(LOOP_RESYNC_NEEDED, &vha->dpc_flags))
5573                                 return rval;
5574                 } else if (qla2x00_gnn_id(vha, swl) != QLA_SUCCESS) {
5575                         swl = NULL;
5576                         if (test_bit(LOOP_RESYNC_NEEDED, &vha->dpc_flags))
5577                                 return rval;
5578                 } else if (qla2x00_gfpn_id(vha, swl) != QLA_SUCCESS) {
5579                         swl = NULL;
5580                         if (test_bit(LOOP_RESYNC_NEEDED, &vha->dpc_flags))
5581                                 return rval;
5582                 }
5583
5584                 /* If other queries succeeded probe for FC-4 type */
5585                 if (swl) {
5586                         qla2x00_gff_id(vha, swl);
5587                         if (test_bit(LOOP_RESYNC_NEEDED, &vha->dpc_flags))
5588                                 return rval;
5589                 }
5590         }
5591         swl_idx = 0;
5592
5593         /* Allocate temporary fcport for any new fcports discovered. */
5594         new_fcport = qla2x00_alloc_fcport(vha, GFP_KERNEL);
5595         if (new_fcport == NULL) {
5596                 ql_log(ql_log_warn, vha, 0x209d,
5597                     "Failed to allocate memory for fcport.\n");
5598                 return (QLA_MEMORY_ALLOC_FAILED);
5599         }
5600         new_fcport->flags |= (FCF_FABRIC_DEVICE | FCF_LOGIN_NEEDED);
5601         /* Set start port ID scan at adapter ID. */
5602         first_dev = 1;
5603         last_dev = 0;
5604
5605         /* Starting free loop ID. */
5606         loop_id = ha->min_external_loopid;
5607         for (; loop_id <= ha->max_loop_id; loop_id++) {
5608                 if (qla2x00_is_reserved_id(vha, loop_id))
5609                         continue;
5610
5611                 if (ha->current_topology == ISP_CFG_FL &&
5612                     (atomic_read(&vha->loop_down_timer) ||
5613                      LOOP_TRANSITION(vha))) {
5614                         atomic_set(&vha->loop_down_timer, 0);
5615                         set_bit(LOOP_RESYNC_NEEDED, &vha->dpc_flags);
5616                         set_bit(LOCAL_LOOP_UPDATE, &vha->dpc_flags);
5617                         break;
5618                 }
5619
5620                 if (swl != NULL) {
5621                         if (last_dev) {
5622                                 wrap.b24 = new_fcport->d_id.b24;
5623                         } else {
5624                                 new_fcport->d_id.b24 = swl[swl_idx].d_id.b24;
5625                                 memcpy(new_fcport->node_name,
5626                                     swl[swl_idx].node_name, WWN_SIZE);
5627                                 memcpy(new_fcport->port_name,
5628                                     swl[swl_idx].port_name, WWN_SIZE);
5629                                 memcpy(new_fcport->fabric_port_name,
5630                                     swl[swl_idx].fabric_port_name, WWN_SIZE);
5631                                 new_fcport->fp_speed = swl[swl_idx].fp_speed;
5632                                 new_fcport->fc4_type = swl[swl_idx].fc4_type;
5633
5634                                 new_fcport->nvme_flag = 0;
5635                                 new_fcport->fc4f_nvme = 0;
5636                                 if (vha->flags.nvme_enabled &&
5637                                     swl[swl_idx].fc4f_nvme) {
5638                                         new_fcport->fc4f_nvme =
5639                                             swl[swl_idx].fc4f_nvme;
5640                                         ql_log(ql_log_info, vha, 0x2131,
5641                                             "FOUND: NVME port %8phC as FC Type 28h\n",
5642                                             new_fcport->port_name);
5643                                 }
5644
5645                                 if (swl[swl_idx].d_id.b.rsvd_1 != 0) {
5646                                         last_dev = 1;
5647                                 }
5648                                 swl_idx++;
5649                         }
5650                 } else {
5651                         /* Send GA_NXT to the switch */
5652                         rval = qla2x00_ga_nxt(vha, new_fcport);
5653                         if (rval != QLA_SUCCESS) {
5654                                 ql_log(ql_log_warn, vha, 0x209e,
5655                                     "SNS scan failed -- assuming "
5656                                     "zero-entry result.\n");
5657                                 rval = QLA_SUCCESS;
5658                                 break;
5659                         }
5660                 }
5661
5662                 /* If wrap on switch device list, exit. */
5663                 if (first_dev) {
5664                         wrap.b24 = new_fcport->d_id.b24;
5665                         first_dev = 0;
5666                 } else if (new_fcport->d_id.b24 == wrap.b24) {
5667                         ql_dbg(ql_dbg_disc, vha, 0x209f,
5668                             "Device wrap (%02x%02x%02x).\n",
5669                             new_fcport->d_id.b.domain,
5670                             new_fcport->d_id.b.area,
5671                             new_fcport->d_id.b.al_pa);
5672                         break;
5673                 }
5674
5675                 /* Bypass if same physical adapter. */
5676                 if (new_fcport->d_id.b24 == base_vha->d_id.b24)
5677                         continue;
5678
5679                 /* Bypass virtual ports of the same host. */
5680                 if (qla2x00_is_a_vp_did(vha, new_fcport->d_id.b24))
5681                         continue;
5682
5683                 /* Bypass if same domain and area of adapter. */
5684                 if (((new_fcport->d_id.b24 & 0xffff00) ==
5685                     (vha->d_id.b24 & 0xffff00)) && ha->current_topology ==
5686                         ISP_CFG_FL)
5687                             continue;
5688
5689                 /* Bypass reserved domain fields. */
5690                 if ((new_fcport->d_id.b.domain & 0xf0) == 0xf0)
5691                         continue;
5692
5693                 /* Bypass ports whose FCP-4 type is not FCP_SCSI */
5694                 if (ql2xgffidenable &&
5695                     (new_fcport->fc4_type != FC4_TYPE_FCP_SCSI &&
5696                     new_fcport->fc4_type != FC4_TYPE_UNKNOWN))
5697                         continue;
5698
5699                 spin_lock_irqsave(&vha->hw->tgt.sess_lock, flags);
5700
5701                 /* Locate matching device in database. */
5702                 found = 0;
5703                 list_for_each_entry(fcport, &vha->vp_fcports, list) {
5704                         if (memcmp(new_fcport->port_name, fcport->port_name,
5705                             WWN_SIZE))
5706                                 continue;
5707
5708                         fcport->scan_state = QLA_FCPORT_FOUND;
5709
5710                         found++;
5711
5712                         /* Update port state. */
5713                         memcpy(fcport->fabric_port_name,
5714                             new_fcport->fabric_port_name, WWN_SIZE);
5715                         fcport->fp_speed = new_fcport->fp_speed;
5716
5717                         /*
5718                          * If address the same and state FCS_ONLINE
5719                          * (or in target mode), nothing changed.
5720                          */
5721                         if (fcport->d_id.b24 == new_fcport->d_id.b24 &&
5722                             (atomic_read(&fcport->state) == FCS_ONLINE ||
5723                              (vha->host->active_mode == MODE_TARGET))) {
5724                                 break;
5725                         }
5726
5727                         /*
5728                          * If device was not a fabric device before.
5729                          */
5730                         if ((fcport->flags & FCF_FABRIC_DEVICE) == 0) {
5731                                 fcport->d_id.b24 = new_fcport->d_id.b24;
5732                                 qla2x00_clear_loop_id(fcport);
5733                                 fcport->flags |= (FCF_FABRIC_DEVICE |
5734                                     FCF_LOGIN_NEEDED);
5735                                 break;
5736                         }
5737
5738                         /*
5739                          * Port ID changed or device was marked to be updated;
5740                          * Log it out if still logged in and mark it for
5741                          * relogin later.
5742                          */
5743                         if (qla_tgt_mode_enabled(base_vha)) {
5744                                 ql_dbg(ql_dbg_tgt_mgt, vha, 0xf080,
5745                                          "port changed FC ID, %8phC"
5746                                          " old %x:%x:%x (loop_id 0x%04x)-> new %x:%x:%x\n",
5747                                          fcport->port_name,
5748                                          fcport->d_id.b.domain,
5749                                          fcport->d_id.b.area,
5750                                          fcport->d_id.b.al_pa,
5751                                          fcport->loop_id,
5752                                          new_fcport->d_id.b.domain,
5753                                          new_fcport->d_id.b.area,
5754                                          new_fcport->d_id.b.al_pa);
5755                                 fcport->d_id.b24 = new_fcport->d_id.b24;
5756                                 break;
5757                         }
5758
5759                         fcport->d_id.b24 = new_fcport->d_id.b24;
5760                         fcport->flags |= FCF_LOGIN_NEEDED;
5761                         break;
5762                 }
5763
5764                 if (fcport->fc4f_nvme) {
5765                         if (fcport->disc_state == DSC_DELETE_PEND) {
5766                                 fcport->disc_state = DSC_GNL;
5767                                 vha->fcport_count--;
5768                                 fcport->login_succ = 0;
5769                         }
5770                 }
5771
5772                 if (found) {
5773                         spin_unlock_irqrestore(&vha->hw->tgt.sess_lock, flags);
5774                         continue;
5775                 }
5776                 /* If device was not in our fcports list, then add it. */
5777                 new_fcport->scan_state = QLA_FCPORT_FOUND;
5778                 list_add_tail(&new_fcport->list, &vha->vp_fcports);
5779
5780                 spin_unlock_irqrestore(&vha->hw->tgt.sess_lock, flags);
5781
5782
5783                 /* Allocate a new replacement fcport. */
5784                 nxt_d_id.b24 = new_fcport->d_id.b24;
5785                 new_fcport = qla2x00_alloc_fcport(vha, GFP_KERNEL);
5786                 if (new_fcport == NULL) {
5787                         ql_log(ql_log_warn, vha, 0xd032,
5788                             "Memory allocation failed for fcport.\n");
5789                         return (QLA_MEMORY_ALLOC_FAILED);
5790                 }
5791                 new_fcport->flags |= (FCF_FABRIC_DEVICE | FCF_LOGIN_NEEDED);
5792                 new_fcport->d_id.b24 = nxt_d_id.b24;
5793         }
5794
5795         qla2x00_free_fcport(new_fcport);
5796
5797         /*
5798          * Logout all previous fabric dev marked lost, except FCP2 devices.
5799          */
5800         list_for_each_entry(fcport, &vha->vp_fcports, list) {
5801                 if (test_bit(LOOP_RESYNC_NEEDED, &vha->dpc_flags))
5802                         break;
5803
5804                 if ((fcport->flags & FCF_FABRIC_DEVICE) == 0 ||
5805                     (fcport->flags & FCF_LOGIN_NEEDED) == 0)
5806                         continue;
5807
5808                 if (fcport->scan_state == QLA_FCPORT_SCAN) {
5809                         if ((qla_dual_mode_enabled(vha) ||
5810                             qla_ini_mode_enabled(vha)) &&
5811                             atomic_read(&fcport->state) == FCS_ONLINE) {
5812                                 qla2x00_mark_device_lost(vha, fcport,
5813                                         ql2xplogiabsentdevice, 0);
5814                                 if (fcport->loop_id != FC_NO_LOOP_ID &&
5815                                     (fcport->flags & FCF_FCP2_DEVICE) == 0 &&
5816                                     fcport->port_type != FCT_INITIATOR &&
5817                                     fcport->port_type != FCT_BROADCAST) {
5818                                         ql_dbg(ql_dbg_disc, vha, 0x20f0,
5819                                             "%s %d %8phC post del sess\n",
5820                                             __func__, __LINE__,
5821                                             fcport->port_name);
5822                                         qlt_schedule_sess_for_deletion(fcport);
5823                                         continue;
5824                                 }
5825                         }
5826                 }
5827
5828                 if (fcport->scan_state == QLA_FCPORT_FOUND)
5829                         qla24xx_fcport_handle_login(vha, fcport);
5830         }
5831         return (rval);
5832 }
5833
5834 /*
5835  * qla2x00_find_new_loop_id
5836  *      Scan through our port list and find a new usable loop ID.
5837  *
5838  * Input:
5839  *      ha:     adapter state pointer.
5840  *      dev:    port structure pointer.
5841  *
5842  * Returns:
5843  *      qla2x00 local function return status code.
5844  *
5845  * Context:
5846  *      Kernel context.
5847  */
5848 int
5849 qla2x00_find_new_loop_id(scsi_qla_host_t *vha, fc_port_t *dev)
5850 {
5851         int     rval;
5852         struct qla_hw_data *ha = vha->hw;
5853         unsigned long flags = 0;
5854
5855         rval = QLA_SUCCESS;
5856
5857         spin_lock_irqsave(&ha->vport_slock, flags);
5858
5859         dev->loop_id = find_first_zero_bit(ha->loop_id_map,
5860             LOOPID_MAP_SIZE);
5861         if (dev->loop_id >= LOOPID_MAP_SIZE ||
5862             qla2x00_is_reserved_id(vha, dev->loop_id)) {
5863                 dev->loop_id = FC_NO_LOOP_ID;
5864                 rval = QLA_FUNCTION_FAILED;
5865         } else
5866                 set_bit(dev->loop_id, ha->loop_id_map);
5867
5868         spin_unlock_irqrestore(&ha->vport_slock, flags);
5869
5870         if (rval == QLA_SUCCESS)
5871                 ql_dbg(ql_dbg_disc, dev->vha, 0x2086,
5872                     "Assigning new loopid=%x, portid=%x.\n",
5873                     dev->loop_id, dev->d_id.b24);
5874         else
5875                 ql_log(ql_log_warn, dev->vha, 0x2087,
5876                     "No loop_id's available, portid=%x.\n",
5877                     dev->d_id.b24);
5878
5879         return (rval);
5880 }
5881
5882
5883 /* FW does not set aside Loop id for MGMT Server/FFFFFAh */
5884 int
5885 qla2x00_reserve_mgmt_server_loop_id(scsi_qla_host_t *vha)
5886 {
5887         int loop_id = FC_NO_LOOP_ID;
5888         int lid = NPH_MGMT_SERVER - vha->vp_idx;
5889         unsigned long flags;
5890         struct qla_hw_data *ha = vha->hw;
5891
5892         if (vha->vp_idx == 0) {
5893                 set_bit(NPH_MGMT_SERVER, ha->loop_id_map);
5894                 return NPH_MGMT_SERVER;
5895         }
5896
5897         /* pick id from high and work down to low */
5898         spin_lock_irqsave(&ha->vport_slock, flags);
5899         for (; lid > 0; lid--) {
5900                 if (!test_bit(lid, vha->hw->loop_id_map)) {
5901                         set_bit(lid, vha->hw->loop_id_map);
5902                         loop_id = lid;
5903                         break;
5904                 }
5905         }
5906         spin_unlock_irqrestore(&ha->vport_slock, flags);
5907
5908         return loop_id;
5909 }
5910
5911 /*
5912  * qla2x00_fabric_login
5913  *      Issue fabric login command.
5914  *
5915  * Input:
5916  *      ha = adapter block pointer.
5917  *      device = pointer to FC device type structure.
5918  *
5919  * Returns:
5920  *      0 - Login successfully
5921  *      1 - Login failed
5922  *      2 - Initiator device
5923  *      3 - Fatal error
5924  */
5925 int
5926 qla2x00_fabric_login(scsi_qla_host_t *vha, fc_port_t *fcport,
5927     uint16_t *next_loopid)
5928 {
5929         int     rval;
5930         int     retry;
5931         uint16_t tmp_loopid;
5932         uint16_t mb[MAILBOX_REGISTER_COUNT];
5933         struct qla_hw_data *ha = vha->hw;
5934
5935         retry = 0;
5936         tmp_loopid = 0;
5937
5938         for (;;) {
5939                 ql_dbg(ql_dbg_disc, vha, 0x2000,
5940                     "Trying Fabric Login w/loop id 0x%04x for port "
5941                     "%02x%02x%02x.\n",
5942                     fcport->loop_id, fcport->d_id.b.domain,
5943                     fcport->d_id.b.area, fcport->d_id.b.al_pa);
5944
5945                 /* Login fcport on switch. */
5946                 rval = ha->isp_ops->fabric_login(vha, fcport->loop_id,
5947                     fcport->d_id.b.domain, fcport->d_id.b.area,
5948                     fcport->d_id.b.al_pa, mb, BIT_0);
5949                 if (rval != QLA_SUCCESS) {
5950                         return rval;
5951                 }
5952                 if (mb[0] == MBS_PORT_ID_USED) {
5953                         /*
5954                          * Device has another loop ID.  The firmware team
5955                          * recommends the driver perform an implicit login with
5956                          * the specified ID again. The ID we just used is save
5957                          * here so we return with an ID that can be tried by
5958                          * the next login.
5959                          */
5960                         retry++;
5961                         tmp_loopid = fcport->loop_id;
5962                         fcport->loop_id = mb[1];
5963
5964                         ql_dbg(ql_dbg_disc, vha, 0x2001,
5965                             "Fabric Login: port in use - next loop "
5966                             "id=0x%04x, port id= %02x%02x%02x.\n",
5967                             fcport->loop_id, fcport->d_id.b.domain,
5968                             fcport->d_id.b.area, fcport->d_id.b.al_pa);
5969
5970                 } else if (mb[0] == MBS_COMMAND_COMPLETE) {
5971                         /*
5972                          * Login succeeded.
5973                          */
5974                         if (retry) {
5975                                 /* A retry occurred before. */
5976                                 *next_loopid = tmp_loopid;
5977                         } else {
5978                                 /*
5979                                  * No retry occurred before. Just increment the
5980                                  * ID value for next login.
5981                                  */
5982                                 *next_loopid = (fcport->loop_id + 1);
5983                         }
5984
5985                         if (mb[1] & BIT_0) {
5986                                 fcport->port_type = FCT_INITIATOR;
5987                         } else {
5988                                 fcport->port_type = FCT_TARGET;
5989                                 if (mb[1] & BIT_1) {
5990                                         fcport->flags |= FCF_FCP2_DEVICE;
5991                                 }
5992                         }
5993
5994                         if (mb[10] & BIT_0)
5995                                 fcport->supported_classes |= FC_COS_CLASS2;
5996                         if (mb[10] & BIT_1)
5997                                 fcport->supported_classes |= FC_COS_CLASS3;
5998
5999                         if (IS_FWI2_CAPABLE(ha)) {
6000                                 if (mb[10] & BIT_7)
6001                                         fcport->flags |=
6002                                             FCF_CONF_COMP_SUPPORTED;
6003                         }
6004
6005                         rval = QLA_SUCCESS;
6006                         break;
6007                 } else if (mb[0] == MBS_LOOP_ID_USED) {
6008                         /*
6009                          * Loop ID already used, try next loop ID.
6010                          */
6011                         fcport->loop_id++;
6012                         rval = qla2x00_find_new_loop_id(vha, fcport);
6013                         if (rval != QLA_SUCCESS) {
6014                                 /* Ran out of loop IDs to use */
6015                                 break;
6016                         }
6017                 } else if (mb[0] == MBS_COMMAND_ERROR) {
6018                         /*
6019                          * Firmware possibly timed out during login. If NO
6020                          * retries are left to do then the device is declared
6021                          * dead.
6022                          */
6023                         *next_loopid = fcport->loop_id;
6024                         ha->isp_ops->fabric_logout(vha, fcport->loop_id,
6025                             fcport->d_id.b.domain, fcport->d_id.b.area,
6026                             fcport->d_id.b.al_pa);
6027                         qla2x00_mark_device_lost(vha, fcport, 1, 0);
6028
6029                         rval = 1;
6030                         break;
6031                 } else {
6032                         /*
6033                          * unrecoverable / not handled error
6034                          */
6035                         ql_dbg(ql_dbg_disc, vha, 0x2002,
6036                             "Failed=%x port_id=%02x%02x%02x loop_id=%x "
6037                             "jiffies=%lx.\n", mb[0], fcport->d_id.b.domain,
6038                             fcport->d_id.b.area, fcport->d_id.b.al_pa,
6039                             fcport->loop_id, jiffies);
6040
6041                         *next_loopid = fcport->loop_id;
6042                         ha->isp_ops->fabric_logout(vha, fcport->loop_id,
6043                             fcport->d_id.b.domain, fcport->d_id.b.area,
6044                             fcport->d_id.b.al_pa);
6045                         qla2x00_clear_loop_id(fcport);
6046                         fcport->login_retry = 0;
6047
6048                         rval = 3;
6049                         break;
6050                 }
6051         }
6052
6053         return (rval);
6054 }
6055
6056 /*
6057  * qla2x00_local_device_login
6058  *      Issue local device login command.
6059  *
6060  * Input:
6061  *      ha = adapter block pointer.
6062  *      loop_id = loop id of device to login to.
6063  *
6064  * Returns (Where's the #define!!!!):
6065  *      0 - Login successfully
6066  *      1 - Login failed
6067  *      3 - Fatal error
6068  */
6069 int
6070 qla2x00_local_device_login(scsi_qla_host_t *vha, fc_port_t *fcport)
6071 {
6072         int             rval;
6073         uint16_t        mb[MAILBOX_REGISTER_COUNT];
6074
6075         memset(mb, 0, sizeof(mb));
6076         rval = qla2x00_login_local_device(vha, fcport, mb, BIT_0);
6077         if (rval == QLA_SUCCESS) {
6078                 /* Interrogate mailbox registers for any errors */
6079                 if (mb[0] == MBS_COMMAND_ERROR)
6080                         rval = 1;
6081                 else if (mb[0] == MBS_COMMAND_PARAMETER_ERROR)
6082                         /* device not in PCB table */
6083                         rval = 3;
6084         }
6085
6086         return (rval);
6087 }
6088
6089 /*
6090  *  qla2x00_loop_resync
6091  *      Resync with fibre channel devices.
6092  *
6093  * Input:
6094  *      ha = adapter block pointer.
6095  *
6096  * Returns:
6097  *      0 = success
6098  */
6099 int
6100 qla2x00_loop_resync(scsi_qla_host_t *vha)
6101 {
6102         int rval = QLA_SUCCESS;
6103         uint32_t wait_time;
6104         struct req_que *req;
6105         struct rsp_que *rsp;
6106
6107         req = vha->req;
6108         rsp = req->rsp;
6109
6110         clear_bit(ISP_ABORT_RETRY, &vha->dpc_flags);
6111         if (vha->flags.online) {
6112                 if (!(rval = qla2x00_fw_ready(vha))) {
6113                         /* Wait at most MAX_TARGET RSCNs for a stable link. */
6114                         wait_time = 256;
6115                         do {
6116                                 if (!IS_QLAFX00(vha->hw)) {
6117                                         /*
6118                                          * Issue a marker after FW becomes
6119                                          * ready.
6120                                          */
6121                                         qla2x00_marker(vha, req, rsp, 0, 0,
6122                                                 MK_SYNC_ALL);
6123                                         vha->marker_needed = 0;
6124                                 }
6125
6126                                 /* Remap devices on Loop. */
6127                                 clear_bit(LOOP_RESYNC_NEEDED, &vha->dpc_flags);
6128
6129                                 if (IS_QLAFX00(vha->hw))
6130                                         qlafx00_configure_devices(vha);
6131                                 else
6132                                         qla2x00_configure_loop(vha);
6133
6134                                 wait_time--;
6135                         } while (!atomic_read(&vha->loop_down_timer) &&
6136                                 !(test_bit(ISP_ABORT_NEEDED, &vha->dpc_flags))
6137                                 && wait_time && (test_bit(LOOP_RESYNC_NEEDED,
6138                                 &vha->dpc_flags)));
6139                 }
6140         }
6141
6142         if (test_bit(ISP_ABORT_NEEDED, &vha->dpc_flags))
6143                 return (QLA_FUNCTION_FAILED);
6144
6145         if (rval)
6146                 ql_dbg(ql_dbg_disc, vha, 0x206c,
6147                     "%s *** FAILED ***.\n", __func__);
6148
6149         return (rval);
6150 }
6151
6152 /*
6153 * qla2x00_perform_loop_resync
6154 * Description: This function will set the appropriate flags and call
6155 *              qla2x00_loop_resync. If successful loop will be resynced
6156 * Arguments : scsi_qla_host_t pointer
6157 * returm    : Success or Failure
6158 */
6159
6160 int qla2x00_perform_loop_resync(scsi_qla_host_t *ha)
6161 {
6162         int32_t rval = 0;
6163
6164         if (!test_and_set_bit(LOOP_RESYNC_ACTIVE, &ha->dpc_flags)) {
6165                 /*Configure the flags so that resync happens properly*/
6166                 atomic_set(&ha->loop_down_timer, 0);
6167                 if (!(ha->device_flags & DFLG_NO_CABLE)) {
6168                         atomic_set(&ha->loop_state, LOOP_UP);
6169                         set_bit(LOCAL_LOOP_UPDATE, &ha->dpc_flags);
6170                         set_bit(REGISTER_FC4_NEEDED, &ha->dpc_flags);
6171                         set_bit(LOOP_RESYNC_NEEDED, &ha->dpc_flags);
6172
6173                         rval = qla2x00_loop_resync(ha);
6174                 } else
6175                         atomic_set(&ha->loop_state, LOOP_DEAD);
6176
6177                 clear_bit(LOOP_RESYNC_ACTIVE, &ha->dpc_flags);
6178         }
6179
6180         return rval;
6181 }
6182
6183 void
6184 qla2x00_update_fcports(scsi_qla_host_t *base_vha)
6185 {
6186         fc_port_t *fcport;
6187         struct scsi_qla_host *vha;
6188         struct qla_hw_data *ha = base_vha->hw;
6189         unsigned long flags;
6190
6191         spin_lock_irqsave(&ha->vport_slock, flags);
6192         /* Go with deferred removal of rport references. */
6193         list_for_each_entry(vha, &base_vha->hw->vp_list, list) {
6194                 atomic_inc(&vha->vref_count);
6195                 list_for_each_entry(fcport, &vha->vp_fcports, list) {
6196                         if (fcport->drport &&
6197                             atomic_read(&fcport->state) != FCS_UNCONFIGURED) {
6198                                 spin_unlock_irqrestore(&ha->vport_slock, flags);
6199                                 qla2x00_rport_del(fcport);
6200
6201                                 spin_lock_irqsave(&ha->vport_slock, flags);
6202                         }
6203                 }
6204                 atomic_dec(&vha->vref_count);
6205                 wake_up(&vha->vref_waitq);
6206         }
6207         spin_unlock_irqrestore(&ha->vport_slock, flags);
6208 }
6209
6210 /* Assumes idc_lock always held on entry */
6211 void
6212 qla83xx_reset_ownership(scsi_qla_host_t *vha)
6213 {
6214         struct qla_hw_data *ha = vha->hw;
6215         uint32_t drv_presence, drv_presence_mask;
6216         uint32_t dev_part_info1, dev_part_info2, class_type;
6217         uint32_t class_type_mask = 0x3;
6218         uint16_t fcoe_other_function = 0xffff, i;
6219
6220         if (IS_QLA8044(ha)) {
6221                 drv_presence = qla8044_rd_direct(vha,
6222                     QLA8044_CRB_DRV_ACTIVE_INDEX);
6223                 dev_part_info1 = qla8044_rd_direct(vha,
6224                     QLA8044_CRB_DEV_PART_INFO_INDEX);
6225                 dev_part_info2 = qla8044_rd_direct(vha,
6226                     QLA8044_CRB_DEV_PART_INFO2);
6227         } else {
6228                 qla83xx_rd_reg(vha, QLA83XX_IDC_DRV_PRESENCE, &drv_presence);
6229                 qla83xx_rd_reg(vha, QLA83XX_DEV_PARTINFO1, &dev_part_info1);
6230                 qla83xx_rd_reg(vha, QLA83XX_DEV_PARTINFO2, &dev_part_info2);
6231         }
6232         for (i = 0; i < 8; i++) {
6233                 class_type = ((dev_part_info1 >> (i * 4)) & class_type_mask);
6234                 if ((class_type == QLA83XX_CLASS_TYPE_FCOE) &&
6235                     (i != ha->portnum)) {
6236                         fcoe_other_function = i;
6237                         break;
6238                 }
6239         }
6240         if (fcoe_other_function == 0xffff) {
6241                 for (i = 0; i < 8; i++) {
6242                         class_type = ((dev_part_info2 >> (i * 4)) &
6243                             class_type_mask);
6244                         if ((class_type == QLA83XX_CLASS_TYPE_FCOE) &&
6245                             ((i + 8) != ha->portnum)) {
6246                                 fcoe_other_function = i + 8;
6247                                 break;
6248                         }
6249                 }
6250         }
6251         /*
6252          * Prepare drv-presence mask based on fcoe functions present.
6253          * However consider only valid physical fcoe function numbers (0-15).
6254          */
6255         drv_presence_mask = ~((1 << (ha->portnum)) |
6256                         ((fcoe_other_function == 0xffff) ?
6257                          0 : (1 << (fcoe_other_function))));
6258
6259         /* We are the reset owner iff:
6260          *    - No other protocol drivers present.
6261          *    - This is the lowest among fcoe functions. */
6262         if (!(drv_presence & drv_presence_mask) &&
6263                         (ha->portnum < fcoe_other_function)) {
6264                 ql_dbg(ql_dbg_p3p, vha, 0xb07f,
6265                     "This host is Reset owner.\n");
6266                 ha->flags.nic_core_reset_owner = 1;
6267         }
6268 }
6269
6270 static int
6271 __qla83xx_set_drv_ack(scsi_qla_host_t *vha)
6272 {
6273         int rval = QLA_SUCCESS;
6274         struct qla_hw_data *ha = vha->hw;
6275         uint32_t drv_ack;
6276
6277         rval = qla83xx_rd_reg(vha, QLA83XX_IDC_DRIVER_ACK, &drv_ack);
6278         if (rval == QLA_SUCCESS) {
6279                 drv_ack |= (1 << ha->portnum);
6280                 rval = qla83xx_wr_reg(vha, QLA83XX_IDC_DRIVER_ACK, drv_ack);
6281         }
6282
6283         return rval;
6284 }
6285
6286 static int
6287 __qla83xx_clear_drv_ack(scsi_qla_host_t *vha)
6288 {
6289         int rval = QLA_SUCCESS;
6290         struct qla_hw_data *ha = vha->hw;
6291         uint32_t drv_ack;
6292
6293         rval = qla83xx_rd_reg(vha, QLA83XX_IDC_DRIVER_ACK, &drv_ack);
6294         if (rval == QLA_SUCCESS) {
6295                 drv_ack &= ~(1 << ha->portnum);
6296                 rval = qla83xx_wr_reg(vha, QLA83XX_IDC_DRIVER_ACK, drv_ack);
6297         }
6298
6299         return rval;
6300 }
6301
6302 static const char *
6303 qla83xx_dev_state_to_string(uint32_t dev_state)
6304 {
6305         switch (dev_state) {
6306         case QLA8XXX_DEV_COLD:
6307                 return "COLD/RE-INIT";
6308         case QLA8XXX_DEV_INITIALIZING:
6309                 return "INITIALIZING";
6310         case QLA8XXX_DEV_READY:
6311                 return "READY";
6312         case QLA8XXX_DEV_NEED_RESET:
6313                 return "NEED RESET";
6314         case QLA8XXX_DEV_NEED_QUIESCENT:
6315                 return "NEED QUIESCENT";
6316         case QLA8XXX_DEV_FAILED:
6317                 return "FAILED";
6318         case QLA8XXX_DEV_QUIESCENT:
6319                 return "QUIESCENT";
6320         default:
6321                 return "Unknown";
6322         }
6323 }
6324
6325 /* Assumes idc-lock always held on entry */
6326 void
6327 qla83xx_idc_audit(scsi_qla_host_t *vha, int audit_type)
6328 {
6329         struct qla_hw_data *ha = vha->hw;
6330         uint32_t idc_audit_reg = 0, duration_secs = 0;
6331
6332         switch (audit_type) {
6333         case IDC_AUDIT_TIMESTAMP:
6334                 ha->idc_audit_ts = (jiffies_to_msecs(jiffies) / 1000);
6335                 idc_audit_reg = (ha->portnum) |
6336                     (IDC_AUDIT_TIMESTAMP << 7) | (ha->idc_audit_ts << 8);
6337                 qla83xx_wr_reg(vha, QLA83XX_IDC_AUDIT, idc_audit_reg);
6338                 break;
6339
6340         case IDC_AUDIT_COMPLETION:
6341                 duration_secs = ((jiffies_to_msecs(jiffies) -
6342                     jiffies_to_msecs(ha->idc_audit_ts)) / 1000);
6343                 idc_audit_reg = (ha->portnum) |
6344                     (IDC_AUDIT_COMPLETION << 7) | (duration_secs << 8);
6345                 qla83xx_wr_reg(vha, QLA83XX_IDC_AUDIT, idc_audit_reg);
6346                 break;
6347
6348         default:
6349                 ql_log(ql_log_warn, vha, 0xb078,
6350                     "Invalid audit type specified.\n");
6351                 break;
6352         }
6353 }
6354
6355 /* Assumes idc_lock always held on entry */
6356 static int
6357 qla83xx_initiating_reset(scsi_qla_host_t *vha)
6358 {
6359         struct qla_hw_data *ha = vha->hw;
6360         uint32_t  idc_control, dev_state;
6361
6362         __qla83xx_get_idc_control(vha, &idc_control);
6363         if ((idc_control & QLA83XX_IDC_RESET_DISABLED)) {
6364                 ql_log(ql_log_info, vha, 0xb080,
6365                     "NIC Core reset has been disabled. idc-control=0x%x\n",
6366                     idc_control);
6367                 return QLA_FUNCTION_FAILED;
6368         }
6369
6370         /* Set NEED-RESET iff in READY state and we are the reset-owner */
6371         qla83xx_rd_reg(vha, QLA83XX_IDC_DEV_STATE, &dev_state);
6372         if (ha->flags.nic_core_reset_owner && dev_state == QLA8XXX_DEV_READY) {
6373                 qla83xx_wr_reg(vha, QLA83XX_IDC_DEV_STATE,
6374                     QLA8XXX_DEV_NEED_RESET);
6375                 ql_log(ql_log_info, vha, 0xb056, "HW State: NEED RESET.\n");
6376                 qla83xx_idc_audit(vha, IDC_AUDIT_TIMESTAMP);
6377         } else {
6378                 const char *state = qla83xx_dev_state_to_string(dev_state);
6379                 ql_log(ql_log_info, vha, 0xb057, "HW State: %s.\n", state);
6380
6381                 /* SV: XXX: Is timeout required here? */
6382                 /* Wait for IDC state change READY -> NEED_RESET */
6383                 while (dev_state == QLA8XXX_DEV_READY) {
6384                         qla83xx_idc_unlock(vha, 0);
6385                         msleep(200);
6386                         qla83xx_idc_lock(vha, 0);
6387                         qla83xx_rd_reg(vha, QLA83XX_IDC_DEV_STATE, &dev_state);
6388                 }
6389         }
6390
6391         /* Send IDC ack by writing to drv-ack register */
6392         __qla83xx_set_drv_ack(vha);
6393
6394         return QLA_SUCCESS;
6395 }
6396
6397 int
6398 __qla83xx_set_idc_control(scsi_qla_host_t *vha, uint32_t idc_control)
6399 {
6400         return qla83xx_wr_reg(vha, QLA83XX_IDC_CONTROL, idc_control);
6401 }
6402
6403 int
6404 __qla83xx_get_idc_control(scsi_qla_host_t *vha, uint32_t *idc_control)
6405 {
6406         return qla83xx_rd_reg(vha, QLA83XX_IDC_CONTROL, idc_control);
6407 }
6408
6409 static int
6410 qla83xx_check_driver_presence(scsi_qla_host_t *vha)
6411 {
6412         uint32_t drv_presence = 0;
6413         struct qla_hw_data *ha = vha->hw;
6414
6415         qla83xx_rd_reg(vha, QLA83XX_IDC_DRV_PRESENCE, &drv_presence);
6416         if (drv_presence & (1 << ha->portnum))
6417                 return QLA_SUCCESS;
6418         else
6419                 return QLA_TEST_FAILED;
6420 }
6421
6422 int
6423 qla83xx_nic_core_reset(scsi_qla_host_t *vha)
6424 {
6425         int rval = QLA_SUCCESS;
6426         struct qla_hw_data *ha = vha->hw;
6427
6428         ql_dbg(ql_dbg_p3p, vha, 0xb058,
6429             "Entered  %s().\n", __func__);
6430
6431         if (vha->device_flags & DFLG_DEV_FAILED) {
6432                 ql_log(ql_log_warn, vha, 0xb059,
6433                     "Device in unrecoverable FAILED state.\n");
6434                 return QLA_FUNCTION_FAILED;
6435         }
6436
6437         qla83xx_idc_lock(vha, 0);
6438
6439         if (qla83xx_check_driver_presence(vha) != QLA_SUCCESS) {
6440                 ql_log(ql_log_warn, vha, 0xb05a,
6441                     "Function=0x%x has been removed from IDC participation.\n",
6442                     ha->portnum);
6443                 rval = QLA_FUNCTION_FAILED;
6444                 goto exit;
6445         }
6446
6447         qla83xx_reset_ownership(vha);
6448
6449         rval = qla83xx_initiating_reset(vha);
6450
6451         /*
6452          * Perform reset if we are the reset-owner,
6453          * else wait till IDC state changes to READY/FAILED.
6454          */
6455         if (rval == QLA_SUCCESS) {
6456                 rval = qla83xx_idc_state_handler(vha);
6457
6458                 if (rval == QLA_SUCCESS)
6459                         ha->flags.nic_core_hung = 0;
6460                 __qla83xx_clear_drv_ack(vha);
6461         }
6462
6463 exit:
6464         qla83xx_idc_unlock(vha, 0);
6465
6466         ql_dbg(ql_dbg_p3p, vha, 0xb05b, "Exiting %s.\n", __func__);
6467
6468         return rval;
6469 }
6470
6471 int
6472 qla2xxx_mctp_dump(scsi_qla_host_t *vha)
6473 {
6474         struct qla_hw_data *ha = vha->hw;
6475         int rval = QLA_FUNCTION_FAILED;
6476
6477         if (!IS_MCTP_CAPABLE(ha)) {
6478                 /* This message can be removed from the final version */
6479                 ql_log(ql_log_info, vha, 0x506d,
6480                     "This board is not MCTP capable\n");
6481                 return rval;
6482         }
6483
6484         if (!ha->mctp_dump) {
6485                 ha->mctp_dump = dma_alloc_coherent(&ha->pdev->dev,
6486                     MCTP_DUMP_SIZE, &ha->mctp_dump_dma, GFP_KERNEL);
6487
6488                 if (!ha->mctp_dump) {
6489                         ql_log(ql_log_warn, vha, 0x506e,
6490                             "Failed to allocate memory for mctp dump\n");
6491                         return rval;
6492                 }
6493         }
6494
6495 #define MCTP_DUMP_STR_ADDR      0x00000000
6496         rval = qla2x00_dump_mctp_data(vha, ha->mctp_dump_dma,
6497             MCTP_DUMP_STR_ADDR, MCTP_DUMP_SIZE/4);
6498         if (rval != QLA_SUCCESS) {
6499                 ql_log(ql_log_warn, vha, 0x506f,
6500                     "Failed to capture mctp dump\n");
6501         } else {
6502                 ql_log(ql_log_info, vha, 0x5070,
6503                     "Mctp dump capture for host (%ld/%p).\n",
6504                     vha->host_no, ha->mctp_dump);
6505                 ha->mctp_dumped = 1;
6506         }
6507
6508         if (!ha->flags.nic_core_reset_hdlr_active && !ha->portnum) {
6509                 ha->flags.nic_core_reset_hdlr_active = 1;
6510                 rval = qla83xx_restart_nic_firmware(vha);
6511                 if (rval)
6512                         /* NIC Core reset failed. */
6513                         ql_log(ql_log_warn, vha, 0x5071,
6514                             "Failed to restart nic firmware\n");
6515                 else
6516                         ql_dbg(ql_dbg_p3p, vha, 0xb084,
6517                             "Restarted NIC firmware successfully.\n");
6518                 ha->flags.nic_core_reset_hdlr_active = 0;
6519         }
6520
6521         return rval;
6522
6523 }
6524
6525 /*
6526 * qla2x00_quiesce_io
6527 * Description: This function will block the new I/Os
6528 *              Its not aborting any I/Os as context
6529 *              is not destroyed during quiescence
6530 * Arguments: scsi_qla_host_t
6531 * return   : void
6532 */
6533 void
6534 qla2x00_quiesce_io(scsi_qla_host_t *vha)
6535 {
6536         struct qla_hw_data *ha = vha->hw;
6537         struct scsi_qla_host *vp;
6538
6539         ql_dbg(ql_dbg_dpc, vha, 0x401d,
6540             "Quiescing I/O - ha=%p.\n", ha);
6541
6542         atomic_set(&ha->loop_down_timer, LOOP_DOWN_TIME);
6543         if (atomic_read(&vha->loop_state) != LOOP_DOWN) {
6544                 atomic_set(&vha->loop_state, LOOP_DOWN);
6545                 qla2x00_mark_all_devices_lost(vha, 0);
6546                 list_for_each_entry(vp, &ha->vp_list, list)
6547                         qla2x00_mark_all_devices_lost(vp, 0);
6548         } else {
6549                 if (!atomic_read(&vha->loop_down_timer))
6550                         atomic_set(&vha->loop_down_timer,
6551                                         LOOP_DOWN_TIME);
6552         }
6553         /* Wait for pending cmds to complete */
6554         qla2x00_eh_wait_for_pending_commands(vha, 0, 0, WAIT_HOST);
6555 }
6556
6557 void
6558 qla2x00_abort_isp_cleanup(scsi_qla_host_t *vha)
6559 {
6560         struct qla_hw_data *ha = vha->hw;
6561         struct scsi_qla_host *vp;
6562         unsigned long flags;
6563         fc_port_t *fcport;
6564         u16 i;
6565
6566         /* For ISP82XX, driver waits for completion of the commands.
6567          * online flag should be set.
6568          */
6569         if (!(IS_P3P_TYPE(ha)))
6570                 vha->flags.online = 0;
6571         ha->flags.chip_reset_done = 0;
6572         clear_bit(ISP_ABORT_NEEDED, &vha->dpc_flags);
6573         vha->qla_stats.total_isp_aborts++;
6574
6575         ql_log(ql_log_info, vha, 0x00af,
6576             "Performing ISP error recovery - ha=%p.\n", ha);
6577
6578         ha->flags.purge_mbox = 1;
6579         /* For ISP82XX, reset_chip is just disabling interrupts.
6580          * Driver waits for the completion of the commands.
6581          * the interrupts need to be enabled.
6582          */
6583         if (!(IS_P3P_TYPE(ha)))
6584                 ha->isp_ops->reset_chip(vha);
6585
6586         ha->link_data_rate = PORT_SPEED_UNKNOWN;
6587         SAVE_TOPO(ha);
6588         ha->flags.rida_fmt2 = 0;
6589         ha->flags.n2n_ae = 0;
6590         ha->flags.lip_ae = 0;
6591         ha->current_topology = 0;
6592         ha->flags.fw_started = 0;
6593         ha->flags.fw_init_done = 0;
6594         ha->chip_reset++;
6595         ha->base_qpair->chip_reset = ha->chip_reset;
6596         for (i = 0; i < ha->max_qpairs; i++) {
6597                 if (ha->queue_pair_map[i])
6598                         ha->queue_pair_map[i]->chip_reset =
6599                                 ha->base_qpair->chip_reset;
6600         }
6601
6602         /* purge MBox commands */
6603         if (atomic_read(&ha->num_pend_mbx_stage3)) {
6604                 clear_bit(MBX_INTR_WAIT, &ha->mbx_cmd_flags);
6605                 complete(&ha->mbx_intr_comp);
6606         }
6607
6608         i = 0;
6609         while (atomic_read(&ha->num_pend_mbx_stage3) ||
6610             atomic_read(&ha->num_pend_mbx_stage2) ||
6611             atomic_read(&ha->num_pend_mbx_stage1)) {
6612                 msleep(20);
6613                 i++;
6614                 if (i > 50)
6615                         break;
6616         }
6617         ha->flags.purge_mbox = 0;
6618
6619         atomic_set(&vha->loop_down_timer, LOOP_DOWN_TIME);
6620         if (atomic_read(&vha->loop_state) != LOOP_DOWN) {
6621                 atomic_set(&vha->loop_state, LOOP_DOWN);
6622                 qla2x00_mark_all_devices_lost(vha, 0);
6623
6624                 spin_lock_irqsave(&ha->vport_slock, flags);
6625                 list_for_each_entry(vp, &ha->vp_list, list) {
6626                         atomic_inc(&vp->vref_count);
6627                         spin_unlock_irqrestore(&ha->vport_slock, flags);
6628
6629                         qla2x00_mark_all_devices_lost(vp, 0);
6630
6631                         spin_lock_irqsave(&ha->vport_slock, flags);
6632                         atomic_dec(&vp->vref_count);
6633                 }
6634                 spin_unlock_irqrestore(&ha->vport_slock, flags);
6635         } else {
6636                 if (!atomic_read(&vha->loop_down_timer))
6637                         atomic_set(&vha->loop_down_timer,
6638                             LOOP_DOWN_TIME);
6639         }
6640
6641         /* Clear all async request states across all VPs. */
6642         list_for_each_entry(fcport, &vha->vp_fcports, list)
6643                 fcport->flags &= ~(FCF_LOGIN_NEEDED | FCF_ASYNC_SENT);
6644         spin_lock_irqsave(&ha->vport_slock, flags);
6645         list_for_each_entry(vp, &ha->vp_list, list) {
6646                 atomic_inc(&vp->vref_count);
6647                 spin_unlock_irqrestore(&ha->vport_slock, flags);
6648
6649                 list_for_each_entry(fcport, &vp->vp_fcports, list)
6650                         fcport->flags &= ~(FCF_LOGIN_NEEDED | FCF_ASYNC_SENT);
6651
6652                 spin_lock_irqsave(&ha->vport_slock, flags);
6653                 atomic_dec(&vp->vref_count);
6654         }
6655         spin_unlock_irqrestore(&ha->vport_slock, flags);
6656
6657         if (!ha->flags.eeh_busy) {
6658                 /* Make sure for ISP 82XX IO DMA is complete */
6659                 if (IS_P3P_TYPE(ha)) {
6660                         qla82xx_chip_reset_cleanup(vha);
6661                         ql_log(ql_log_info, vha, 0x00b4,
6662                             "Done chip reset cleanup.\n");
6663
6664                         /* Done waiting for pending commands.
6665                          * Reset the online flag.
6666                          */
6667                         vha->flags.online = 0;
6668                 }
6669
6670                 /* Requeue all commands in outstanding command list. */
6671                 qla2x00_abort_all_cmds(vha, DID_RESET << 16);
6672         }
6673         /* memory barrier */
6674         wmb();
6675 }
6676
6677 /*
6678 *  qla2x00_abort_isp
6679 *      Resets ISP and aborts all outstanding commands.
6680 *
6681 * Input:
6682 *      ha           = adapter block pointer.
6683 *
6684 * Returns:
6685 *      0 = success
6686 */
6687 int
6688 qla2x00_abort_isp(scsi_qla_host_t *vha)
6689 {
6690         int rval;
6691         uint8_t        status = 0;
6692         struct qla_hw_data *ha = vha->hw;
6693         struct scsi_qla_host *vp;
6694         struct req_que *req = ha->req_q_map[0];
6695         unsigned long flags;
6696
6697         if (vha->flags.online) {
6698                 qla2x00_abort_isp_cleanup(vha);
6699
6700                 if (IS_QLA8031(ha)) {
6701                         ql_dbg(ql_dbg_p3p, vha, 0xb05c,
6702                             "Clearing fcoe driver presence.\n");
6703                         if (qla83xx_clear_drv_presence(vha) != QLA_SUCCESS)
6704                                 ql_dbg(ql_dbg_p3p, vha, 0xb073,
6705                                     "Error while clearing DRV-Presence.\n");
6706                 }
6707
6708                 if (unlikely(pci_channel_offline(ha->pdev) &&
6709                     ha->flags.pci_channel_io_perm_failure)) {
6710                         clear_bit(ISP_ABORT_RETRY, &vha->dpc_flags);
6711                         status = 0;
6712                         return status;
6713                 }
6714
6715                 switch (vha->qlini_mode) {
6716                 case QLA2XXX_INI_MODE_DISABLED:
6717                         if (!qla_tgt_mode_enabled(vha))
6718                                 return 0;
6719                         break;
6720                 case QLA2XXX_INI_MODE_DUAL:
6721                         if (!qla_dual_mode_enabled(vha))
6722                                 return 0;
6723                         break;
6724                 case QLA2XXX_INI_MODE_ENABLED:
6725                 default:
6726                         break;
6727                 }
6728
6729                 ha->isp_ops->get_flash_version(vha, req->ring);
6730
6731                 ha->isp_ops->nvram_config(vha);
6732
6733                 if (!qla2x00_restart_isp(vha)) {
6734                         clear_bit(RESET_MARKER_NEEDED, &vha->dpc_flags);
6735
6736                         if (!atomic_read(&vha->loop_down_timer)) {
6737                                 /*
6738                                  * Issue marker command only when we are going
6739                                  * to start the I/O .
6740                                  */
6741                                 vha->marker_needed = 1;
6742                         }
6743
6744                         vha->flags.online = 1;
6745
6746                         ha->isp_ops->enable_intrs(ha);
6747
6748                         ha->isp_abort_cnt = 0;
6749                         clear_bit(ISP_ABORT_RETRY, &vha->dpc_flags);
6750
6751                         if (IS_QLA81XX(ha) || IS_QLA8031(ha))
6752                                 qla2x00_get_fw_version(vha);
6753                         if (ha->fce) {
6754                                 ha->flags.fce_enabled = 1;
6755                                 memset(ha->fce, 0,
6756                                     fce_calc_size(ha->fce_bufs));
6757                                 rval = qla2x00_enable_fce_trace(vha,
6758                                     ha->fce_dma, ha->fce_bufs, ha->fce_mb,
6759                                     &ha->fce_bufs);
6760                                 if (rval) {
6761                                         ql_log(ql_log_warn, vha, 0x8033,
6762                                             "Unable to reinitialize FCE "
6763                                             "(%d).\n", rval);
6764                                         ha->flags.fce_enabled = 0;
6765                                 }
6766                         }
6767
6768                         if (ha->eft) {
6769                                 memset(ha->eft, 0, EFT_SIZE);
6770                                 rval = qla2x00_enable_eft_trace(vha,
6771                                     ha->eft_dma, EFT_NUM_BUFFERS);
6772                                 if (rval) {
6773                                         ql_log(ql_log_warn, vha, 0x8034,
6774                                             "Unable to reinitialize EFT "
6775                                             "(%d).\n", rval);
6776                                 }
6777                         }
6778                 } else {        /* failed the ISP abort */
6779                         vha->flags.online = 1;
6780                         if (test_bit(ISP_ABORT_RETRY, &vha->dpc_flags)) {
6781                                 if (ha->isp_abort_cnt == 0) {
6782                                         ql_log(ql_log_fatal, vha, 0x8035,
6783                                             "ISP error recover failed - "
6784                                             "board disabled.\n");
6785                                         /*
6786                                          * The next call disables the board
6787                                          * completely.
6788                                          */
6789                                         qla2x00_abort_isp_cleanup(vha);
6790                                         vha->flags.online = 0;
6791                                         clear_bit(ISP_ABORT_RETRY,
6792                                             &vha->dpc_flags);
6793                                         status = 0;
6794                                 } else { /* schedule another ISP abort */
6795                                         ha->isp_abort_cnt--;
6796                                         ql_dbg(ql_dbg_taskm, vha, 0x8020,
6797                                             "ISP abort - retry remaining %d.\n",
6798                                             ha->isp_abort_cnt);
6799                                         status = 1;
6800                                 }
6801                         } else {
6802                                 ha->isp_abort_cnt = MAX_RETRIES_OF_ISP_ABORT;
6803                                 ql_dbg(ql_dbg_taskm, vha, 0x8021,
6804                                     "ISP error recovery - retrying (%d) "
6805                                     "more times.\n", ha->isp_abort_cnt);
6806                                 set_bit(ISP_ABORT_RETRY, &vha->dpc_flags);
6807                                 status = 1;
6808                         }
6809                 }
6810
6811         }
6812
6813         if (!status) {
6814                 ql_dbg(ql_dbg_taskm, vha, 0x8022, "%s succeeded.\n", __func__);
6815                 qla2x00_configure_hba(vha);
6816                 spin_lock_irqsave(&ha->vport_slock, flags);
6817                 list_for_each_entry(vp, &ha->vp_list, list) {
6818                         if (vp->vp_idx) {
6819                                 atomic_inc(&vp->vref_count);
6820                                 spin_unlock_irqrestore(&ha->vport_slock, flags);
6821
6822                                 qla2x00_vp_abort_isp(vp);
6823
6824                                 spin_lock_irqsave(&ha->vport_slock, flags);
6825                                 atomic_dec(&vp->vref_count);
6826                         }
6827                 }
6828                 spin_unlock_irqrestore(&ha->vport_slock, flags);
6829
6830                 if (IS_QLA8031(ha)) {
6831                         ql_dbg(ql_dbg_p3p, vha, 0xb05d,
6832                             "Setting back fcoe driver presence.\n");
6833                         if (qla83xx_set_drv_presence(vha) != QLA_SUCCESS)
6834                                 ql_dbg(ql_dbg_p3p, vha, 0xb074,
6835                                     "Error while setting DRV-Presence.\n");
6836                 }
6837         } else {
6838                 ql_log(ql_log_warn, vha, 0x8023, "%s **** FAILED ****.\n",
6839                        __func__);
6840         }
6841
6842         return(status);
6843 }
6844
6845 /*
6846 *  qla2x00_restart_isp
6847 *      restarts the ISP after a reset
6848 *
6849 * Input:
6850 *      ha = adapter block pointer.
6851 *
6852 * Returns:
6853 *      0 = success
6854 */
6855 static int
6856 qla2x00_restart_isp(scsi_qla_host_t *vha)
6857 {
6858         int status = 0;
6859         struct qla_hw_data *ha = vha->hw;
6860         struct req_que *req = ha->req_q_map[0];
6861         struct rsp_que *rsp = ha->rsp_q_map[0];
6862
6863         /* If firmware needs to be loaded */
6864         if (qla2x00_isp_firmware(vha)) {
6865                 vha->flags.online = 0;
6866                 status = ha->isp_ops->chip_diag(vha);
6867                 if (!status)
6868                         status = qla2x00_setup_chip(vha);
6869         }
6870
6871         if (!status && !(status = qla2x00_init_rings(vha))) {
6872                 clear_bit(RESET_MARKER_NEEDED, &vha->dpc_flags);
6873                 ha->flags.chip_reset_done = 1;
6874
6875                 /* Initialize the queues in use */
6876                 qla25xx_init_queues(ha);
6877
6878                 status = qla2x00_fw_ready(vha);
6879                 if (!status) {
6880                         /* Issue a marker after FW becomes ready. */
6881                         qla2x00_marker(vha, req, rsp, 0, 0, MK_SYNC_ALL);
6882                         set_bit(LOOP_RESYNC_NEEDED, &vha->dpc_flags);
6883                 }
6884
6885                 /* if no cable then assume it's good */
6886                 if ((vha->device_flags & DFLG_NO_CABLE))
6887                         status = 0;
6888         }
6889         return (status);
6890 }
6891
6892 static int
6893 qla25xx_init_queues(struct qla_hw_data *ha)
6894 {
6895         struct rsp_que *rsp = NULL;
6896         struct req_que *req = NULL;
6897         struct scsi_qla_host *base_vha = pci_get_drvdata(ha->pdev);
6898         int ret = -1;
6899         int i;
6900
6901         for (i = 1; i < ha->max_rsp_queues; i++) {
6902                 rsp = ha->rsp_q_map[i];
6903                 if (rsp && test_bit(i, ha->rsp_qid_map)) {
6904                         rsp->options &= ~BIT_0;
6905                         ret = qla25xx_init_rsp_que(base_vha, rsp);
6906                         if (ret != QLA_SUCCESS)
6907                                 ql_dbg(ql_dbg_init, base_vha, 0x00ff,
6908                                     "%s Rsp que: %d init failed.\n",
6909                                     __func__, rsp->id);
6910                         else
6911                                 ql_dbg(ql_dbg_init, base_vha, 0x0100,
6912                                     "%s Rsp que: %d inited.\n",
6913                                     __func__, rsp->id);
6914                 }
6915         }
6916         for (i = 1; i < ha->max_req_queues; i++) {
6917                 req = ha->req_q_map[i];
6918                 if (req && test_bit(i, ha->req_qid_map)) {
6919                         /* Clear outstanding commands array. */
6920                         req->options &= ~BIT_0;
6921                         ret = qla25xx_init_req_que(base_vha, req);
6922                         if (ret != QLA_SUCCESS)
6923                                 ql_dbg(ql_dbg_init, base_vha, 0x0101,
6924                                     "%s Req que: %d init failed.\n",
6925                                     __func__, req->id);
6926                         else
6927                                 ql_dbg(ql_dbg_init, base_vha, 0x0102,
6928                                     "%s Req que: %d inited.\n",
6929                                     __func__, req->id);
6930                 }
6931         }
6932         return ret;
6933 }
6934
6935 /*
6936 * qla2x00_reset_adapter
6937 *      Reset adapter.
6938 *
6939 * Input:
6940 *      ha = adapter block pointer.
6941 */
6942 void
6943 qla2x00_reset_adapter(scsi_qla_host_t *vha)
6944 {
6945         unsigned long flags = 0;
6946         struct qla_hw_data *ha = vha->hw;
6947         struct device_reg_2xxx __iomem *reg = &ha->iobase->isp;
6948
6949         vha->flags.online = 0;
6950         ha->isp_ops->disable_intrs(ha);
6951
6952         spin_lock_irqsave(&ha->hardware_lock, flags);
6953         WRT_REG_WORD(&reg->hccr, HCCR_RESET_RISC);
6954         RD_REG_WORD(&reg->hccr);                        /* PCI Posting. */
6955         WRT_REG_WORD(&reg->hccr, HCCR_RELEASE_RISC);
6956         RD_REG_WORD(&reg->hccr);                        /* PCI Posting. */
6957         spin_unlock_irqrestore(&ha->hardware_lock, flags);
6958 }
6959
6960 void
6961 qla24xx_reset_adapter(scsi_qla_host_t *vha)
6962 {
6963         unsigned long flags = 0;
6964         struct qla_hw_data *ha = vha->hw;
6965         struct device_reg_24xx __iomem *reg = &ha->iobase->isp24;
6966
6967         if (IS_P3P_TYPE(ha))
6968                 return;
6969
6970         vha->flags.online = 0;
6971         ha->isp_ops->disable_intrs(ha);
6972
6973         spin_lock_irqsave(&ha->hardware_lock, flags);
6974         WRT_REG_DWORD(&reg->hccr, HCCRX_SET_RISC_RESET);
6975         RD_REG_DWORD(&reg->hccr);
6976         WRT_REG_DWORD(&reg->hccr, HCCRX_REL_RISC_PAUSE);
6977         RD_REG_DWORD(&reg->hccr);
6978         spin_unlock_irqrestore(&ha->hardware_lock, flags);
6979
6980         if (IS_NOPOLLING_TYPE(ha))
6981                 ha->isp_ops->enable_intrs(ha);
6982 }
6983
6984 /* On sparc systems, obtain port and node WWN from firmware
6985  * properties.
6986  */
6987 static void qla24xx_nvram_wwn_from_ofw(scsi_qla_host_t *vha,
6988         struct nvram_24xx *nv)
6989 {
6990 #ifdef CONFIG_SPARC
6991         struct qla_hw_data *ha = vha->hw;
6992         struct pci_dev *pdev = ha->pdev;
6993         struct device_node *dp = pci_device_to_OF_node(pdev);
6994         const u8 *val;
6995         int len;
6996
6997         val = of_get_property(dp, "port-wwn", &len);
6998         if (val && len >= WWN_SIZE)
6999                 memcpy(nv->port_name, val, WWN_SIZE);
7000
7001         val = of_get_property(dp, "node-wwn", &len);
7002         if (val && len >= WWN_SIZE)
7003                 memcpy(nv->node_name, val, WWN_SIZE);
7004 #endif
7005 }
7006
7007 int
7008 qla24xx_nvram_config(scsi_qla_host_t *vha)
7009 {
7010         int   rval;
7011         struct init_cb_24xx *icb;
7012         struct nvram_24xx *nv;
7013         uint32_t *dptr;
7014         uint8_t  *dptr1, *dptr2;
7015         uint32_t chksum;
7016         uint16_t cnt;
7017         struct qla_hw_data *ha = vha->hw;
7018
7019         rval = QLA_SUCCESS;
7020         icb = (struct init_cb_24xx *)ha->init_cb;
7021         nv = ha->nvram;
7022
7023         /* Determine NVRAM starting address. */
7024         if (ha->port_no == 0) {
7025                 ha->nvram_base = FA_NVRAM_FUNC0_ADDR;
7026                 ha->vpd_base = FA_NVRAM_VPD0_ADDR;
7027         } else {
7028                 ha->nvram_base = FA_NVRAM_FUNC1_ADDR;
7029                 ha->vpd_base = FA_NVRAM_VPD1_ADDR;
7030         }
7031
7032         ha->nvram_size = sizeof(struct nvram_24xx);
7033         ha->vpd_size = FA_NVRAM_VPD_SIZE;
7034
7035         /* Get VPD data into cache */
7036         ha->vpd = ha->nvram + VPD_OFFSET;
7037         ha->isp_ops->read_nvram(vha, (uint8_t *)ha->vpd,
7038             ha->nvram_base - FA_NVRAM_FUNC0_ADDR, FA_NVRAM_VPD_SIZE * 4);
7039
7040         /* Get NVRAM data into cache and calculate checksum. */
7041         dptr = (uint32_t *)nv;
7042         ha->isp_ops->read_nvram(vha, (uint8_t *)dptr, ha->nvram_base,
7043             ha->nvram_size);
7044         for (cnt = 0, chksum = 0; cnt < ha->nvram_size >> 2; cnt++, dptr++)
7045                 chksum += le32_to_cpu(*dptr);
7046
7047         ql_dbg(ql_dbg_init + ql_dbg_buffer, vha, 0x006a,
7048             "Contents of NVRAM\n");
7049         ql_dump_buffer(ql_dbg_init + ql_dbg_buffer, vha, 0x010d,
7050             (uint8_t *)nv, ha->nvram_size);
7051
7052         /* Bad NVRAM data, set defaults parameters. */
7053         if (chksum || nv->id[0] != 'I' || nv->id[1] != 'S' || nv->id[2] != 'P'
7054             || nv->id[3] != ' ' ||
7055             nv->nvram_version < cpu_to_le16(ICB_VERSION)) {
7056                 /* Reset NVRAM data. */
7057                 ql_log(ql_log_warn, vha, 0x006b,
7058                     "Inconsistent NVRAM detected: checksum=0x%x id=%c "
7059                     "version=0x%x.\n", chksum, nv->id[0], nv->nvram_version);
7060                 ql_log(ql_log_warn, vha, 0x006c,
7061                     "Falling back to functioning (yet invalid -- WWPN) "
7062                     "defaults.\n");
7063
7064                 /*
7065                  * Set default initialization control block.
7066                  */
7067                 memset(nv, 0, ha->nvram_size);
7068                 nv->nvram_version = cpu_to_le16(ICB_VERSION);
7069                 nv->version = cpu_to_le16(ICB_VERSION);
7070                 nv->frame_payload_size = 2048;
7071                 nv->execution_throttle = cpu_to_le16(0xFFFF);
7072                 nv->exchange_count = cpu_to_le16(0);
7073                 nv->hard_address = cpu_to_le16(124);
7074                 nv->port_name[0] = 0x21;
7075                 nv->port_name[1] = 0x00 + ha->port_no + 1;
7076                 nv->port_name[2] = 0x00;
7077                 nv->port_name[3] = 0xe0;
7078                 nv->port_name[4] = 0x8b;
7079                 nv->port_name[5] = 0x1c;
7080                 nv->port_name[6] = 0x55;
7081                 nv->port_name[7] = 0x86;
7082                 nv->node_name[0] = 0x20;
7083                 nv->node_name[1] = 0x00;
7084                 nv->node_name[2] = 0x00;
7085                 nv->node_name[3] = 0xe0;
7086                 nv->node_name[4] = 0x8b;
7087                 nv->node_name[5] = 0x1c;
7088                 nv->node_name[6] = 0x55;
7089                 nv->node_name[7] = 0x86;
7090                 qla24xx_nvram_wwn_from_ofw(vha, nv);
7091                 nv->login_retry_count = cpu_to_le16(8);
7092                 nv->interrupt_delay_timer = cpu_to_le16(0);
7093                 nv->login_timeout = cpu_to_le16(0);
7094                 nv->firmware_options_1 =
7095                     cpu_to_le32(BIT_14|BIT_13|BIT_2|BIT_1);
7096                 nv->firmware_options_2 = cpu_to_le32(2 << 4);
7097                 nv->firmware_options_2 |= cpu_to_le32(BIT_12);
7098                 nv->firmware_options_3 = cpu_to_le32(2 << 13);
7099                 nv->host_p = cpu_to_le32(BIT_11|BIT_10);
7100                 nv->efi_parameters = cpu_to_le32(0);
7101                 nv->reset_delay = 5;
7102                 nv->max_luns_per_target = cpu_to_le16(128);
7103                 nv->port_down_retry_count = cpu_to_le16(30);
7104                 nv->link_down_timeout = cpu_to_le16(30);
7105
7106                 rval = 1;
7107         }
7108
7109         if (qla_tgt_mode_enabled(vha)) {
7110                 /* Don't enable full login after initial LIP */
7111                 nv->firmware_options_1 &= cpu_to_le32(~BIT_13);
7112                 /* Don't enable LIP full login for initiator */
7113                 nv->host_p &= cpu_to_le32(~BIT_10);
7114         }
7115
7116         qlt_24xx_config_nvram_stage1(vha, nv);
7117
7118         /* Reset Initialization control block */
7119         memset(icb, 0, ha->init_cb_size);
7120
7121         /* Copy 1st segment. */
7122         dptr1 = (uint8_t *)icb;
7123         dptr2 = (uint8_t *)&nv->version;
7124         cnt = (uint8_t *)&icb->response_q_inpointer - (uint8_t *)&icb->version;
7125         while (cnt--)
7126                 *dptr1++ = *dptr2++;
7127
7128         icb->login_retry_count = nv->login_retry_count;
7129         icb->link_down_on_nos = nv->link_down_on_nos;
7130
7131         /* Copy 2nd segment. */
7132         dptr1 = (uint8_t *)&icb->interrupt_delay_timer;
7133         dptr2 = (uint8_t *)&nv->interrupt_delay_timer;
7134         cnt = (uint8_t *)&icb->reserved_3 -
7135             (uint8_t *)&icb->interrupt_delay_timer;
7136         while (cnt--)
7137                 *dptr1++ = *dptr2++;
7138         ha->frame_payload_size = le16_to_cpu(icb->frame_payload_size);
7139         /*
7140          * Setup driver NVRAM options.
7141          */
7142         qla2x00_set_model_info(vha, nv->model_name, sizeof(nv->model_name),
7143             "QLA2462");
7144
7145         qlt_24xx_config_nvram_stage2(vha, icb);
7146
7147         if (nv->host_p & cpu_to_le32(BIT_15)) {
7148                 /* Use alternate WWN? */
7149                 memcpy(icb->node_name, nv->alternate_node_name, WWN_SIZE);
7150                 memcpy(icb->port_name, nv->alternate_port_name, WWN_SIZE);
7151         }
7152
7153         /* Prepare nodename */
7154         if ((icb->firmware_options_1 & cpu_to_le32(BIT_14)) == 0) {
7155                 /*
7156                  * Firmware will apply the following mask if the nodename was
7157                  * not provided.
7158                  */
7159                 memcpy(icb->node_name, icb->port_name, WWN_SIZE);
7160                 icb->node_name[0] &= 0xF0;
7161         }
7162
7163         /* Set host adapter parameters. */
7164         ha->flags.disable_risc_code_load = 0;
7165         ha->flags.enable_lip_reset = 0;
7166         ha->flags.enable_lip_full_login =
7167             le32_to_cpu(nv->host_p) & BIT_10 ? 1: 0;
7168         ha->flags.enable_target_reset =
7169             le32_to_cpu(nv->host_p) & BIT_11 ? 1: 0;
7170         ha->flags.enable_led_scheme = 0;
7171         ha->flags.disable_serdes = le32_to_cpu(nv->host_p) & BIT_5 ? 1: 0;
7172
7173         ha->operating_mode = (le32_to_cpu(icb->firmware_options_2) &
7174             (BIT_6 | BIT_5 | BIT_4)) >> 4;
7175
7176         memcpy(ha->fw_seriallink_options24, nv->seriallink_options,
7177             sizeof(ha->fw_seriallink_options24));
7178
7179         /* save HBA serial number */
7180         ha->serial0 = icb->port_name[5];
7181         ha->serial1 = icb->port_name[6];
7182         ha->serial2 = icb->port_name[7];
7183         memcpy(vha->node_name, icb->node_name, WWN_SIZE);
7184         memcpy(vha->port_name, icb->port_name, WWN_SIZE);
7185
7186         icb->execution_throttle = cpu_to_le16(0xFFFF);
7187
7188         ha->retry_count = le16_to_cpu(nv->login_retry_count);
7189
7190         /* Set minimum login_timeout to 4 seconds. */
7191         if (le16_to_cpu(nv->login_timeout) < ql2xlogintimeout)
7192                 nv->login_timeout = cpu_to_le16(ql2xlogintimeout);
7193         if (le16_to_cpu(nv->login_timeout) < 4)
7194                 nv->login_timeout = cpu_to_le16(4);
7195         ha->login_timeout = le16_to_cpu(nv->login_timeout);
7196
7197         /* Set minimum RATOV to 100 tenths of a second. */
7198         ha->r_a_tov = 100;
7199
7200         ha->loop_reset_delay = nv->reset_delay;
7201
7202         /* Link Down Timeout = 0:
7203          *
7204          *      When Port Down timer expires we will start returning
7205          *      I/O's to OS with "DID_NO_CONNECT".
7206          *
7207          * Link Down Timeout != 0:
7208          *
7209          *       The driver waits for the link to come up after link down
7210          *       before returning I/Os to OS with "DID_NO_CONNECT".
7211          */
7212         if (le16_to_cpu(nv->link_down_timeout) == 0) {
7213                 ha->loop_down_abort_time =
7214                     (LOOP_DOWN_TIME - LOOP_DOWN_TIMEOUT);
7215         } else {
7216                 ha->link_down_timeout = le16_to_cpu(nv->link_down_timeout);
7217                 ha->loop_down_abort_time =
7218                     (LOOP_DOWN_TIME - ha->link_down_timeout);
7219         }
7220
7221         /* Need enough time to try and get the port back. */
7222         ha->port_down_retry_count = le16_to_cpu(nv->port_down_retry_count);
7223         if (qlport_down_retry)
7224                 ha->port_down_retry_count = qlport_down_retry;
7225
7226         /* Set login_retry_count */
7227         ha->login_retry_count  = le16_to_cpu(nv->login_retry_count);
7228         if (ha->port_down_retry_count ==
7229             le16_to_cpu(nv->port_down_retry_count) &&
7230             ha->port_down_retry_count > 3)
7231                 ha->login_retry_count = ha->port_down_retry_count;
7232         else if (ha->port_down_retry_count > (int)ha->login_retry_count)
7233                 ha->login_retry_count = ha->port_down_retry_count;
7234         if (ql2xloginretrycount)
7235                 ha->login_retry_count = ql2xloginretrycount;
7236
7237         /* N2N: driver will initiate Login instead of FW */
7238         icb->firmware_options_3 |= BIT_8;
7239
7240         /* Enable ZIO. */
7241         if (!vha->flags.init_done) {
7242                 ha->zio_mode = le32_to_cpu(icb->firmware_options_2) &
7243                     (BIT_3 | BIT_2 | BIT_1 | BIT_0);
7244                 ha->zio_timer = le16_to_cpu(icb->interrupt_delay_timer) ?
7245                     le16_to_cpu(icb->interrupt_delay_timer): 2;
7246         }
7247         icb->firmware_options_2 &= cpu_to_le32(
7248             ~(BIT_3 | BIT_2 | BIT_1 | BIT_0));
7249         if (ha->zio_mode != QLA_ZIO_DISABLED) {
7250                 ha->zio_mode = QLA_ZIO_MODE_6;
7251
7252                 ql_log(ql_log_info, vha, 0x006f,
7253                     "ZIO mode %d enabled; timer delay (%d us).\n",
7254                     ha->zio_mode, ha->zio_timer * 100);
7255
7256                 icb->firmware_options_2 |= cpu_to_le32(
7257                     (uint32_t)ha->zio_mode);
7258                 icb->interrupt_delay_timer = cpu_to_le16(ha->zio_timer);
7259         }
7260
7261         if (rval) {
7262                 ql_log(ql_log_warn, vha, 0x0070,
7263                     "NVRAM configuration failed.\n");
7264         }
7265         return (rval);
7266 }
7267
7268 uint8_t qla27xx_find_valid_image(struct scsi_qla_host *vha)
7269 {
7270         struct qla27xx_image_status pri_image_status, sec_image_status;
7271         uint8_t valid_pri_image, valid_sec_image;
7272         uint32_t *wptr;
7273         uint32_t cnt, chksum, size;
7274         struct qla_hw_data *ha = vha->hw;
7275
7276         valid_pri_image = valid_sec_image = 1;
7277         ha->active_image = 0;
7278         size = sizeof(struct qla27xx_image_status) / sizeof(uint32_t);
7279
7280         if (!ha->flt_region_img_status_pri) {
7281                 valid_pri_image = 0;
7282                 goto check_sec_image;
7283         }
7284
7285         qla24xx_read_flash_data(vha, (uint32_t *)(&pri_image_status),
7286             ha->flt_region_img_status_pri, size);
7287
7288         if (pri_image_status.signature != QLA27XX_IMG_STATUS_SIGN) {
7289                 ql_dbg(ql_dbg_init, vha, 0x018b,
7290                     "Primary image signature (0x%x) not valid\n",
7291                     pri_image_status.signature);
7292                 valid_pri_image = 0;
7293                 goto check_sec_image;
7294         }
7295
7296         wptr = (uint32_t *)(&pri_image_status);
7297         cnt = size;
7298
7299         for (chksum = 0; cnt--; wptr++)
7300                 chksum += le32_to_cpu(*wptr);
7301
7302         if (chksum) {
7303                 ql_dbg(ql_dbg_init, vha, 0x018c,
7304                     "Checksum validation failed for primary image (0x%x)\n",
7305                     chksum);
7306                 valid_pri_image = 0;
7307         }
7308
7309 check_sec_image:
7310         if (!ha->flt_region_img_status_sec) {
7311                 valid_sec_image = 0;
7312                 goto check_valid_image;
7313         }
7314
7315         qla24xx_read_flash_data(vha, (uint32_t *)(&sec_image_status),
7316             ha->flt_region_img_status_sec, size);
7317
7318         if (sec_image_status.signature != QLA27XX_IMG_STATUS_SIGN) {
7319                 ql_dbg(ql_dbg_init, vha, 0x018d,
7320                     "Secondary image signature(0x%x) not valid\n",
7321                     sec_image_status.signature);
7322                 valid_sec_image = 0;
7323                 goto check_valid_image;
7324         }
7325
7326         wptr = (uint32_t *)(&sec_image_status);
7327         cnt = size;
7328         for (chksum = 0; cnt--; wptr++)
7329                 chksum += le32_to_cpu(*wptr);
7330         if (chksum) {
7331                 ql_dbg(ql_dbg_init, vha, 0x018e,
7332                     "Checksum validation failed for secondary image (0x%x)\n",
7333                     chksum);
7334                 valid_sec_image = 0;
7335         }
7336
7337 check_valid_image:
7338         if (valid_pri_image && (pri_image_status.image_status_mask & 0x1))
7339                 ha->active_image = QLA27XX_PRIMARY_IMAGE;
7340         if (valid_sec_image && (sec_image_status.image_status_mask & 0x1)) {
7341                 if (!ha->active_image ||
7342                     pri_image_status.generation_number <
7343                     sec_image_status.generation_number)
7344                         ha->active_image = QLA27XX_SECONDARY_IMAGE;
7345         }
7346
7347         ql_dbg(ql_dbg_init + ql_dbg_verbose, vha, 0x018f, "%s image\n",
7348             ha->active_image == 0 ? "default bootld and fw" :
7349             ha->active_image == 1 ? "primary" :
7350             ha->active_image == 2 ? "secondary" :
7351             "Invalid");
7352
7353         return ha->active_image;
7354 }
7355
7356 static int
7357 qla24xx_load_risc_flash(scsi_qla_host_t *vha, uint32_t *srisc_addr,
7358     uint32_t faddr)
7359 {
7360         int     rval = QLA_SUCCESS;
7361         int     segments, fragment;
7362         uint32_t *dcode, dlen;
7363         uint32_t risc_addr;
7364         uint32_t risc_size;
7365         uint32_t i;
7366         struct qla_hw_data *ha = vha->hw;
7367         struct req_que *req = ha->req_q_map[0];
7368
7369         ql_dbg(ql_dbg_init, vha, 0x008b,
7370             "FW: Loading firmware from flash (%x).\n", faddr);
7371
7372         rval = QLA_SUCCESS;
7373
7374         segments = FA_RISC_CODE_SEGMENTS;
7375         dcode = (uint32_t *)req->ring;
7376         *srisc_addr = 0;
7377
7378         if (IS_QLA27XX(ha) &&
7379             qla27xx_find_valid_image(vha) == QLA27XX_SECONDARY_IMAGE)
7380                 faddr = ha->flt_region_fw_sec;
7381
7382         /* Validate firmware image by checking version. */
7383         qla24xx_read_flash_data(vha, dcode, faddr + 4, 4);
7384         for (i = 0; i < 4; i++)
7385                 dcode[i] = be32_to_cpu(dcode[i]);
7386         if ((dcode[0] == 0xffffffff && dcode[1] == 0xffffffff &&
7387             dcode[2] == 0xffffffff && dcode[3] == 0xffffffff) ||
7388             (dcode[0] == 0 && dcode[1] == 0 && dcode[2] == 0 &&
7389                 dcode[3] == 0)) {
7390                 ql_log(ql_log_fatal, vha, 0x008c,
7391                     "Unable to verify the integrity of flash firmware "
7392                     "image.\n");
7393                 ql_log(ql_log_fatal, vha, 0x008d,
7394                     "Firmware data: %08x %08x %08x %08x.\n",
7395                     dcode[0], dcode[1], dcode[2], dcode[3]);
7396
7397                 return QLA_FUNCTION_FAILED;
7398         }
7399
7400         while (segments && rval == QLA_SUCCESS) {
7401                 /* Read segment's load information. */
7402                 qla24xx_read_flash_data(vha, dcode, faddr, 4);
7403
7404                 risc_addr = be32_to_cpu(dcode[2]);
7405                 *srisc_addr = *srisc_addr == 0 ? risc_addr : *srisc_addr;
7406                 risc_size = be32_to_cpu(dcode[3]);
7407
7408                 fragment = 0;
7409                 while (risc_size > 0 && rval == QLA_SUCCESS) {
7410                         dlen = (uint32_t)(ha->fw_transfer_size >> 2);
7411                         if (dlen > risc_size)
7412                                 dlen = risc_size;
7413
7414                         ql_dbg(ql_dbg_init, vha, 0x008e,
7415                             "Loading risc segment@ risc addr %x "
7416                             "number of dwords 0x%x offset 0x%x.\n",
7417                             risc_addr, dlen, faddr);
7418
7419                         qla24xx_read_flash_data(vha, dcode, faddr, dlen);
7420                         for (i = 0; i < dlen; i++)
7421                                 dcode[i] = swab32(dcode[i]);
7422
7423                         rval = qla2x00_load_ram(vha, req->dma, risc_addr,
7424                             dlen);
7425                         if (rval) {
7426                                 ql_log(ql_log_fatal, vha, 0x008f,
7427                                     "Failed to load segment %d of firmware.\n",
7428                                     fragment);
7429                                 return QLA_FUNCTION_FAILED;
7430                         }
7431
7432                         faddr += dlen;
7433                         risc_addr += dlen;
7434                         risc_size -= dlen;
7435                         fragment++;
7436                 }
7437
7438                 /* Next segment. */
7439                 segments--;
7440         }
7441
7442         if (!IS_QLA27XX(ha))
7443                 return rval;
7444
7445         if (ha->fw_dump_template)
7446                 vfree(ha->fw_dump_template);
7447         ha->fw_dump_template = NULL;
7448         ha->fw_dump_template_len = 0;
7449
7450         ql_dbg(ql_dbg_init, vha, 0x0161,
7451             "Loading fwdump template from %x\n", faddr);
7452         qla24xx_read_flash_data(vha, dcode, faddr, 7);
7453         risc_size = be32_to_cpu(dcode[2]);
7454         ql_dbg(ql_dbg_init, vha, 0x0162,
7455             "-> array size %x dwords\n", risc_size);
7456         if (risc_size == 0 || risc_size == ~0)
7457                 goto default_template;
7458
7459         dlen = (risc_size - 8) * sizeof(*dcode);
7460         ql_dbg(ql_dbg_init, vha, 0x0163,
7461             "-> template allocating %x bytes...\n", dlen);
7462         ha->fw_dump_template = vmalloc(dlen);
7463         if (!ha->fw_dump_template) {
7464                 ql_log(ql_log_warn, vha, 0x0164,
7465                     "Failed fwdump template allocate %x bytes.\n", risc_size);
7466                 goto default_template;
7467         }
7468
7469         faddr += 7;
7470         risc_size -= 8;
7471         dcode = ha->fw_dump_template;
7472         qla24xx_read_flash_data(vha, dcode, faddr, risc_size);
7473         for (i = 0; i < risc_size; i++)
7474                 dcode[i] = le32_to_cpu(dcode[i]);
7475
7476         if (!qla27xx_fwdt_template_valid(dcode)) {
7477                 ql_log(ql_log_warn, vha, 0x0165,
7478                     "Failed fwdump template validate\n");
7479                 goto default_template;
7480         }
7481
7482         dlen = qla27xx_fwdt_template_size(dcode);
7483         ql_dbg(ql_dbg_init, vha, 0x0166,
7484             "-> template size %x bytes\n", dlen);
7485         if (dlen > risc_size * sizeof(*dcode)) {
7486                 ql_log(ql_log_warn, vha, 0x0167,
7487                     "Failed fwdump template exceeds array by %zx bytes\n",
7488                     (size_t)(dlen - risc_size * sizeof(*dcode)));
7489                 goto default_template;
7490         }
7491         ha->fw_dump_template_len = dlen;
7492         return rval;
7493
7494 default_template:
7495         ql_log(ql_log_warn, vha, 0x0168, "Using default fwdump template\n");
7496         if (ha->fw_dump_template)
7497                 vfree(ha->fw_dump_template);
7498         ha->fw_dump_template = NULL;
7499         ha->fw_dump_template_len = 0;
7500
7501         dlen = qla27xx_fwdt_template_default_size();
7502         ql_dbg(ql_dbg_init, vha, 0x0169,
7503             "-> template allocating %x bytes...\n", dlen);
7504         ha->fw_dump_template = vmalloc(dlen);
7505         if (!ha->fw_dump_template) {
7506                 ql_log(ql_log_warn, vha, 0x016a,
7507                     "Failed fwdump template allocate %x bytes.\n", risc_size);
7508                 goto failed_template;
7509         }
7510
7511         dcode = ha->fw_dump_template;
7512         risc_size = dlen / sizeof(*dcode);
7513         memcpy(dcode, qla27xx_fwdt_template_default(), dlen);
7514         for (i = 0; i < risc_size; i++)
7515                 dcode[i] = be32_to_cpu(dcode[i]);
7516
7517         if (!qla27xx_fwdt_template_valid(ha->fw_dump_template)) {
7518                 ql_log(ql_log_warn, vha, 0x016b,
7519                     "Failed fwdump template validate\n");
7520                 goto failed_template;
7521         }
7522
7523         dlen = qla27xx_fwdt_template_size(ha->fw_dump_template);
7524         ql_dbg(ql_dbg_init, vha, 0x016c,
7525             "-> template size %x bytes\n", dlen);
7526         ha->fw_dump_template_len = dlen;
7527         return rval;
7528
7529 failed_template:
7530         ql_log(ql_log_warn, vha, 0x016d, "Failed default fwdump template\n");
7531         if (ha->fw_dump_template)
7532                 vfree(ha->fw_dump_template);
7533         ha->fw_dump_template = NULL;
7534         ha->fw_dump_template_len = 0;
7535         return rval;
7536 }
7537
7538 #define QLA_FW_URL "http://ldriver.qlogic.com/firmware/"
7539
7540 int
7541 qla2x00_load_risc(scsi_qla_host_t *vha, uint32_t *srisc_addr)
7542 {
7543         int     rval;
7544         int     i, fragment;
7545         uint16_t *wcode, *fwcode;
7546         uint32_t risc_addr, risc_size, fwclen, wlen, *seg;
7547         struct fw_blob *blob;
7548         struct qla_hw_data *ha = vha->hw;
7549         struct req_que *req = ha->req_q_map[0];
7550
7551         /* Load firmware blob. */
7552         blob = qla2x00_request_firmware(vha);
7553         if (!blob) {
7554                 ql_log(ql_log_info, vha, 0x0083,
7555                     "Firmware image unavailable.\n");
7556                 ql_log(ql_log_info, vha, 0x0084,
7557                     "Firmware images can be retrieved from: "QLA_FW_URL ".\n");
7558                 return QLA_FUNCTION_FAILED;
7559         }
7560
7561         rval = QLA_SUCCESS;
7562
7563         wcode = (uint16_t *)req->ring;
7564         *srisc_addr = 0;
7565         fwcode = (uint16_t *)blob->fw->data;
7566         fwclen = 0;
7567
7568         /* Validate firmware image by checking version. */
7569         if (blob->fw->size < 8 * sizeof(uint16_t)) {
7570                 ql_log(ql_log_fatal, vha, 0x0085,
7571                     "Unable to verify integrity of firmware image (%zd).\n",
7572                     blob->fw->size);
7573                 goto fail_fw_integrity;
7574         }
7575         for (i = 0; i < 4; i++)
7576                 wcode[i] = be16_to_cpu(fwcode[i + 4]);
7577         if ((wcode[0] == 0xffff && wcode[1] == 0xffff && wcode[2] == 0xffff &&
7578             wcode[3] == 0xffff) || (wcode[0] == 0 && wcode[1] == 0 &&
7579                 wcode[2] == 0 && wcode[3] == 0)) {
7580                 ql_log(ql_log_fatal, vha, 0x0086,
7581                     "Unable to verify integrity of firmware image.\n");
7582                 ql_log(ql_log_fatal, vha, 0x0087,
7583                     "Firmware data: %04x %04x %04x %04x.\n",
7584                     wcode[0], wcode[1], wcode[2], wcode[3]);
7585                 goto fail_fw_integrity;
7586         }
7587
7588         seg = blob->segs;
7589         while (*seg && rval == QLA_SUCCESS) {
7590                 risc_addr = *seg;
7591                 *srisc_addr = *srisc_addr == 0 ? *seg : *srisc_addr;
7592                 risc_size = be16_to_cpu(fwcode[3]);
7593
7594                 /* Validate firmware image size. */
7595                 fwclen += risc_size * sizeof(uint16_t);
7596                 if (blob->fw->size < fwclen) {
7597                         ql_log(ql_log_fatal, vha, 0x0088,
7598                             "Unable to verify integrity of firmware image "
7599                             "(%zd).\n", blob->fw->size);
7600                         goto fail_fw_integrity;
7601                 }
7602
7603                 fragment = 0;
7604                 while (risc_size > 0 && rval == QLA_SUCCESS) {
7605                         wlen = (uint16_t)(ha->fw_transfer_size >> 1);
7606                         if (wlen > risc_size)
7607                                 wlen = risc_size;
7608                         ql_dbg(ql_dbg_init, vha, 0x0089,
7609                             "Loading risc segment@ risc addr %x number of "
7610                             "words 0x%x.\n", risc_addr, wlen);
7611
7612                         for (i = 0; i < wlen; i++)
7613                                 wcode[i] = swab16(fwcode[i]);
7614
7615                         rval = qla2x00_load_ram(vha, req->dma, risc_addr,
7616                             wlen);
7617                         if (rval) {
7618                                 ql_log(ql_log_fatal, vha, 0x008a,
7619                                     "Failed to load segment %d of firmware.\n",
7620                                     fragment);
7621                                 break;
7622                         }
7623
7624                         fwcode += wlen;
7625                         risc_addr += wlen;
7626                         risc_size -= wlen;
7627                         fragment++;
7628                 }
7629
7630                 /* Next segment. */
7631                 seg++;
7632         }
7633         return rval;
7634
7635 fail_fw_integrity:
7636         return QLA_FUNCTION_FAILED;
7637 }
7638
7639 static int
7640 qla24xx_load_risc_blob(scsi_qla_host_t *vha, uint32_t *srisc_addr)
7641 {
7642         int     rval;
7643         int     segments, fragment;
7644         uint32_t *dcode, dlen;
7645         uint32_t risc_addr;
7646         uint32_t risc_size;
7647         uint32_t i;
7648         struct fw_blob *blob;
7649         const uint32_t *fwcode;
7650         uint32_t fwclen;
7651         struct qla_hw_data *ha = vha->hw;
7652         struct req_que *req = ha->req_q_map[0];
7653
7654         /* Load firmware blob. */
7655         blob = qla2x00_request_firmware(vha);
7656         if (!blob) {
7657                 ql_log(ql_log_warn, vha, 0x0090,
7658                     "Firmware image unavailable.\n");
7659                 ql_log(ql_log_warn, vha, 0x0091,
7660                     "Firmware images can be retrieved from: "
7661                     QLA_FW_URL ".\n");
7662
7663                 return QLA_FUNCTION_FAILED;
7664         }
7665
7666         ql_dbg(ql_dbg_init, vha, 0x0092,
7667             "FW: Loading via request-firmware.\n");
7668
7669         rval = QLA_SUCCESS;
7670
7671         segments = FA_RISC_CODE_SEGMENTS;
7672         dcode = (uint32_t *)req->ring;
7673         *srisc_addr = 0;
7674         fwcode = (uint32_t *)blob->fw->data;
7675         fwclen = 0;
7676
7677         /* Validate firmware image by checking version. */
7678         if (blob->fw->size < 8 * sizeof(uint32_t)) {
7679                 ql_log(ql_log_fatal, vha, 0x0093,
7680                     "Unable to verify integrity of firmware image (%zd).\n",
7681                     blob->fw->size);
7682                 return QLA_FUNCTION_FAILED;
7683         }
7684         for (i = 0; i < 4; i++)
7685                 dcode[i] = be32_to_cpu(fwcode[i + 4]);
7686         if ((dcode[0] == 0xffffffff && dcode[1] == 0xffffffff &&
7687             dcode[2] == 0xffffffff && dcode[3] == 0xffffffff) ||
7688             (dcode[0] == 0 && dcode[1] == 0 && dcode[2] == 0 &&
7689                 dcode[3] == 0)) {
7690                 ql_log(ql_log_fatal, vha, 0x0094,
7691                     "Unable to verify integrity of firmware image (%zd).\n",
7692                     blob->fw->size);
7693                 ql_log(ql_log_fatal, vha, 0x0095,
7694                     "Firmware data: %08x %08x %08x %08x.\n",
7695                     dcode[0], dcode[1], dcode[2], dcode[3]);
7696                 return QLA_FUNCTION_FAILED;
7697         }
7698
7699         while (segments && rval == QLA_SUCCESS) {
7700                 risc_addr = be32_to_cpu(fwcode[2]);
7701                 *srisc_addr = *srisc_addr == 0 ? risc_addr : *srisc_addr;
7702                 risc_size = be32_to_cpu(fwcode[3]);
7703
7704                 /* Validate firmware image size. */
7705                 fwclen += risc_size * sizeof(uint32_t);
7706                 if (blob->fw->size < fwclen) {
7707                         ql_log(ql_log_fatal, vha, 0x0096,
7708                             "Unable to verify integrity of firmware image "
7709                             "(%zd).\n", blob->fw->size);
7710                         return QLA_FUNCTION_FAILED;
7711                 }
7712
7713                 fragment = 0;
7714                 while (risc_size > 0 && rval == QLA_SUCCESS) {
7715                         dlen = (uint32_t)(ha->fw_transfer_size >> 2);
7716                         if (dlen > risc_size)
7717                                 dlen = risc_size;
7718
7719                         ql_dbg(ql_dbg_init, vha, 0x0097,
7720                             "Loading risc segment@ risc addr %x "
7721                             "number of dwords 0x%x.\n", risc_addr, dlen);
7722
7723                         for (i = 0; i < dlen; i++)
7724                                 dcode[i] = swab32(fwcode[i]);
7725
7726                         rval = qla2x00_load_ram(vha, req->dma, risc_addr,
7727                             dlen);
7728                         if (rval) {
7729                                 ql_log(ql_log_fatal, vha, 0x0098,
7730                                     "Failed to load segment %d of firmware.\n",
7731                                     fragment);
7732                                 return QLA_FUNCTION_FAILED;
7733                         }
7734
7735                         fwcode += dlen;
7736                         risc_addr += dlen;
7737                         risc_size -= dlen;
7738                         fragment++;
7739                 }
7740
7741                 /* Next segment. */
7742                 segments--;
7743         }
7744
7745         if (!IS_QLA27XX(ha))
7746                 return rval;
7747
7748         if (ha->fw_dump_template)
7749                 vfree(ha->fw_dump_template);
7750         ha->fw_dump_template = NULL;
7751         ha->fw_dump_template_len = 0;
7752
7753         ql_dbg(ql_dbg_init, vha, 0x171,
7754             "Loading fwdump template from %x\n",
7755             (uint32_t)((void *)fwcode - (void *)blob->fw->data));
7756         risc_size = be32_to_cpu(fwcode[2]);
7757         ql_dbg(ql_dbg_init, vha, 0x172,
7758             "-> array size %x dwords\n", risc_size);
7759         if (risc_size == 0 || risc_size == ~0)
7760                 goto default_template;
7761
7762         dlen = (risc_size - 8) * sizeof(*fwcode);
7763         ql_dbg(ql_dbg_init, vha, 0x0173,
7764             "-> template allocating %x bytes...\n", dlen);
7765         ha->fw_dump_template = vmalloc(dlen);
7766         if (!ha->fw_dump_template) {
7767                 ql_log(ql_log_warn, vha, 0x0174,
7768                     "Failed fwdump template allocate %x bytes.\n", risc_size);
7769                 goto default_template;
7770         }
7771
7772         fwcode += 7;
7773         risc_size -= 8;
7774         dcode = ha->fw_dump_template;
7775         for (i = 0; i < risc_size; i++)
7776                 dcode[i] = le32_to_cpu(fwcode[i]);
7777
7778         if (!qla27xx_fwdt_template_valid(dcode)) {
7779                 ql_log(ql_log_warn, vha, 0x0175,
7780                     "Failed fwdump template validate\n");
7781                 goto default_template;
7782         }
7783
7784         dlen = qla27xx_fwdt_template_size(dcode);
7785         ql_dbg(ql_dbg_init, vha, 0x0176,
7786             "-> template size %x bytes\n", dlen);
7787         if (dlen > risc_size * sizeof(*fwcode)) {
7788                 ql_log(ql_log_warn, vha, 0x0177,
7789                     "Failed fwdump template exceeds array by %zx bytes\n",
7790                     (size_t)(dlen - risc_size * sizeof(*fwcode)));
7791                 goto default_template;
7792         }
7793         ha->fw_dump_template_len = dlen;
7794         return rval;
7795
7796 default_template:
7797         ql_log(ql_log_warn, vha, 0x0178, "Using default fwdump template\n");
7798         if (ha->fw_dump_template)
7799                 vfree(ha->fw_dump_template);
7800         ha->fw_dump_template = NULL;
7801         ha->fw_dump_template_len = 0;
7802
7803         dlen = qla27xx_fwdt_template_default_size();
7804         ql_dbg(ql_dbg_init, vha, 0x0179,
7805             "-> template allocating %x bytes...\n", dlen);
7806         ha->fw_dump_template = vmalloc(dlen);
7807         if (!ha->fw_dump_template) {
7808                 ql_log(ql_log_warn, vha, 0x017a,
7809                     "Failed fwdump template allocate %x bytes.\n", risc_size);
7810                 goto failed_template;
7811         }
7812
7813         dcode = ha->fw_dump_template;
7814         risc_size = dlen / sizeof(*fwcode);
7815         fwcode = qla27xx_fwdt_template_default();
7816         for (i = 0; i < risc_size; i++)
7817                 dcode[i] = be32_to_cpu(fwcode[i]);
7818
7819         if (!qla27xx_fwdt_template_valid(ha->fw_dump_template)) {
7820                 ql_log(ql_log_warn, vha, 0x017b,
7821                     "Failed fwdump template validate\n");
7822                 goto failed_template;
7823         }
7824
7825         dlen = qla27xx_fwdt_template_size(ha->fw_dump_template);
7826         ql_dbg(ql_dbg_init, vha, 0x017c,
7827             "-> template size %x bytes\n", dlen);
7828         ha->fw_dump_template_len = dlen;
7829         return rval;
7830
7831 failed_template:
7832         ql_log(ql_log_warn, vha, 0x017d, "Failed default fwdump template\n");
7833         if (ha->fw_dump_template)
7834                 vfree(ha->fw_dump_template);
7835         ha->fw_dump_template = NULL;
7836         ha->fw_dump_template_len = 0;
7837         return rval;
7838 }
7839
7840 int
7841 qla24xx_load_risc(scsi_qla_host_t *vha, uint32_t *srisc_addr)
7842 {
7843         int rval;
7844
7845         if (ql2xfwloadbin == 1)
7846                 return qla81xx_load_risc(vha, srisc_addr);
7847
7848         /*
7849          * FW Load priority:
7850          * 1) Firmware via request-firmware interface (.bin file).
7851          * 2) Firmware residing in flash.
7852          */
7853         rval = qla24xx_load_risc_blob(vha, srisc_addr);
7854         if (rval == QLA_SUCCESS)
7855                 return rval;
7856
7857         return qla24xx_load_risc_flash(vha, srisc_addr,
7858             vha->hw->flt_region_fw);
7859 }
7860
7861 int
7862 qla81xx_load_risc(scsi_qla_host_t *vha, uint32_t *srisc_addr)
7863 {
7864         int rval;
7865         struct qla_hw_data *ha = vha->hw;
7866
7867         if (ql2xfwloadbin == 2)
7868                 goto try_blob_fw;
7869
7870         /*
7871          * FW Load priority:
7872          * 1) Firmware residing in flash.
7873          * 2) Firmware via request-firmware interface (.bin file).
7874          * 3) Golden-Firmware residing in flash -- limited operation.
7875          */
7876         rval = qla24xx_load_risc_flash(vha, srisc_addr, ha->flt_region_fw);
7877         if (rval == QLA_SUCCESS)
7878                 return rval;
7879
7880 try_blob_fw:
7881         rval = qla24xx_load_risc_blob(vha, srisc_addr);
7882         if (rval == QLA_SUCCESS || !ha->flt_region_gold_fw)
7883                 return rval;
7884
7885         ql_log(ql_log_info, vha, 0x0099,
7886             "Attempting to fallback to golden firmware.\n");
7887         rval = qla24xx_load_risc_flash(vha, srisc_addr, ha->flt_region_gold_fw);
7888         if (rval != QLA_SUCCESS)
7889                 return rval;
7890
7891         ql_log(ql_log_info, vha, 0x009a, "Update operational firmware.\n");
7892         ha->flags.running_gold_fw = 1;
7893         return rval;
7894 }
7895
7896 void
7897 qla2x00_try_to_stop_firmware(scsi_qla_host_t *vha)
7898 {
7899         int ret, retries;
7900         struct qla_hw_data *ha = vha->hw;
7901
7902         if (ha->flags.pci_channel_io_perm_failure)
7903                 return;
7904         if (!IS_FWI2_CAPABLE(ha))
7905                 return;
7906         if (!ha->fw_major_version)
7907                 return;
7908         if (!ha->flags.fw_started)
7909                 return;
7910
7911         ret = qla2x00_stop_firmware(vha);
7912         for (retries = 5; ret != QLA_SUCCESS && ret != QLA_FUNCTION_TIMEOUT &&
7913             ret != QLA_INVALID_COMMAND && retries ; retries--) {
7914                 ha->isp_ops->reset_chip(vha);
7915                 if (ha->isp_ops->chip_diag(vha) != QLA_SUCCESS)
7916                         continue;
7917                 if (qla2x00_setup_chip(vha) != QLA_SUCCESS)
7918                         continue;
7919                 ql_log(ql_log_info, vha, 0x8015,
7920                     "Attempting retry of stop-firmware command.\n");
7921                 ret = qla2x00_stop_firmware(vha);
7922         }
7923
7924         QLA_FW_STOPPED(ha);
7925         ha->flags.fw_init_done = 0;
7926 }
7927
7928 int
7929 qla24xx_configure_vhba(scsi_qla_host_t *vha)
7930 {
7931         int rval = QLA_SUCCESS;
7932         int rval2;
7933         uint16_t mb[MAILBOX_REGISTER_COUNT];
7934         struct qla_hw_data *ha = vha->hw;
7935         struct scsi_qla_host *base_vha = pci_get_drvdata(ha->pdev);
7936         struct req_que *req;
7937         struct rsp_que *rsp;
7938
7939         if (!vha->vp_idx)
7940                 return -EINVAL;
7941
7942         rval = qla2x00_fw_ready(base_vha);
7943         if (vha->qpair)
7944                 req = vha->qpair->req;
7945         else
7946                 req = ha->req_q_map[0];
7947         rsp = req->rsp;
7948
7949         if (rval == QLA_SUCCESS) {
7950                 clear_bit(RESET_MARKER_NEEDED, &vha->dpc_flags);
7951                 qla2x00_marker(vha, req, rsp, 0, 0, MK_SYNC_ALL);
7952         }
7953
7954         vha->flags.management_server_logged_in = 0;
7955
7956         /* Login to SNS first */
7957         rval2 = ha->isp_ops->fabric_login(vha, NPH_SNS, 0xff, 0xff, 0xfc, mb,
7958             BIT_1);
7959         if (rval2 != QLA_SUCCESS || mb[0] != MBS_COMMAND_COMPLETE) {
7960                 if (rval2 == QLA_MEMORY_ALLOC_FAILED)
7961                         ql_dbg(ql_dbg_init, vha, 0x0120,
7962                             "Failed SNS login: loop_id=%x, rval2=%d\n",
7963                             NPH_SNS, rval2);
7964                 else
7965                         ql_dbg(ql_dbg_init, vha, 0x0103,
7966                             "Failed SNS login: loop_id=%x mb[0]=%x mb[1]=%x "
7967                             "mb[2]=%x mb[6]=%x mb[7]=%x.\n",
7968                             NPH_SNS, mb[0], mb[1], mb[2], mb[6], mb[7]);
7969                 return (QLA_FUNCTION_FAILED);
7970         }
7971
7972         atomic_set(&vha->loop_down_timer, 0);
7973         atomic_set(&vha->loop_state, LOOP_UP);
7974         set_bit(LOOP_RESYNC_NEEDED, &vha->dpc_flags);
7975         set_bit(LOCAL_LOOP_UPDATE, &vha->dpc_flags);
7976         rval = qla2x00_loop_resync(base_vha);
7977
7978         return rval;
7979 }
7980
7981 /* 84XX Support **************************************************************/
7982
7983 static LIST_HEAD(qla_cs84xx_list);
7984 static DEFINE_MUTEX(qla_cs84xx_mutex);
7985
7986 static struct qla_chip_state_84xx *
7987 qla84xx_get_chip(struct scsi_qla_host *vha)
7988 {
7989         struct qla_chip_state_84xx *cs84xx;
7990         struct qla_hw_data *ha = vha->hw;
7991
7992         mutex_lock(&qla_cs84xx_mutex);
7993
7994         /* Find any shared 84xx chip. */
7995         list_for_each_entry(cs84xx, &qla_cs84xx_list, list) {
7996                 if (cs84xx->bus == ha->pdev->bus) {
7997                         kref_get(&cs84xx->kref);
7998                         goto done;
7999                 }
8000         }
8001
8002         cs84xx = kzalloc(sizeof(*cs84xx), GFP_KERNEL);
8003         if (!cs84xx)
8004                 goto done;
8005
8006         kref_init(&cs84xx->kref);
8007         spin_lock_init(&cs84xx->access_lock);
8008         mutex_init(&cs84xx->fw_update_mutex);
8009         cs84xx->bus = ha->pdev->bus;
8010
8011         list_add_tail(&cs84xx->list, &qla_cs84xx_list);
8012 done:
8013         mutex_unlock(&qla_cs84xx_mutex);
8014         return cs84xx;
8015 }
8016
8017 static void
8018 __qla84xx_chip_release(struct kref *kref)
8019 {
8020         struct qla_chip_state_84xx *cs84xx =
8021             container_of(kref, struct qla_chip_state_84xx, kref);
8022
8023         mutex_lock(&qla_cs84xx_mutex);
8024         list_del(&cs84xx->list);
8025         mutex_unlock(&qla_cs84xx_mutex);
8026         kfree(cs84xx);
8027 }
8028
8029 void
8030 qla84xx_put_chip(struct scsi_qla_host *vha)
8031 {
8032         struct qla_hw_data *ha = vha->hw;
8033         if (ha->cs84xx)
8034                 kref_put(&ha->cs84xx->kref, __qla84xx_chip_release);
8035 }
8036
8037 static int
8038 qla84xx_init_chip(scsi_qla_host_t *vha)
8039 {
8040         int rval;
8041         uint16_t status[2];
8042         struct qla_hw_data *ha = vha->hw;
8043
8044         mutex_lock(&ha->cs84xx->fw_update_mutex);
8045
8046         rval = qla84xx_verify_chip(vha, status);
8047
8048         mutex_unlock(&ha->cs84xx->fw_update_mutex);
8049
8050         return rval != QLA_SUCCESS || status[0] ? QLA_FUNCTION_FAILED:
8051             QLA_SUCCESS;
8052 }
8053
8054 /* 81XX Support **************************************************************/
8055
8056 int
8057 qla81xx_nvram_config(scsi_qla_host_t *vha)
8058 {
8059         int   rval;
8060         struct init_cb_81xx *icb;
8061         struct nvram_81xx *nv;
8062         uint32_t *dptr;
8063         uint8_t  *dptr1, *dptr2;
8064         uint32_t chksum;
8065         uint16_t cnt;
8066         struct qla_hw_data *ha = vha->hw;
8067
8068         rval = QLA_SUCCESS;
8069         icb = (struct init_cb_81xx *)ha->init_cb;
8070         nv = ha->nvram;
8071
8072         /* Determine NVRAM starting address. */
8073         ha->nvram_size = sizeof(struct nvram_81xx);
8074         ha->vpd_size = FA_NVRAM_VPD_SIZE;
8075         if (IS_P3P_TYPE(ha) || IS_QLA8031(ha))
8076                 ha->vpd_size = FA_VPD_SIZE_82XX;
8077
8078         /* Get VPD data into cache */
8079         ha->vpd = ha->nvram + VPD_OFFSET;
8080         ha->isp_ops->read_optrom(vha, ha->vpd, ha->flt_region_vpd << 2,
8081             ha->vpd_size);
8082
8083         /* Get NVRAM data into cache and calculate checksum. */
8084         ha->isp_ops->read_optrom(vha, ha->nvram, ha->flt_region_nvram << 2,
8085             ha->nvram_size);
8086         dptr = (uint32_t *)nv;
8087         for (cnt = 0, chksum = 0; cnt < ha->nvram_size >> 2; cnt++, dptr++)
8088                 chksum += le32_to_cpu(*dptr);
8089
8090         ql_dbg(ql_dbg_init + ql_dbg_buffer, vha, 0x0111,
8091             "Contents of NVRAM:\n");
8092         ql_dump_buffer(ql_dbg_init + ql_dbg_buffer, vha, 0x0112,
8093             (uint8_t *)nv, ha->nvram_size);
8094
8095         /* Bad NVRAM data, set defaults parameters. */
8096         if (chksum || nv->id[0] != 'I' || nv->id[1] != 'S' || nv->id[2] != 'P'
8097             || nv->id[3] != ' ' ||
8098             nv->nvram_version < cpu_to_le16(ICB_VERSION)) {
8099                 /* Reset NVRAM data. */
8100                 ql_log(ql_log_info, vha, 0x0073,
8101                     "Inconsistent NVRAM detected: checksum=0x%x id=%c "
8102                     "version=0x%x.\n", chksum, nv->id[0],
8103                     le16_to_cpu(nv->nvram_version));
8104                 ql_log(ql_log_info, vha, 0x0074,
8105                     "Falling back to functioning (yet invalid -- WWPN) "
8106                     "defaults.\n");
8107
8108                 /*
8109                  * Set default initialization control block.
8110                  */
8111                 memset(nv, 0, ha->nvram_size);
8112                 nv->nvram_version = cpu_to_le16(ICB_VERSION);
8113                 nv->version = cpu_to_le16(ICB_VERSION);
8114                 nv->frame_payload_size = 2048;
8115                 nv->execution_throttle = cpu_to_le16(0xFFFF);
8116                 nv->exchange_count = cpu_to_le16(0);
8117                 nv->port_name[0] = 0x21;
8118                 nv->port_name[1] = 0x00 + ha->port_no + 1;
8119                 nv->port_name[2] = 0x00;
8120                 nv->port_name[3] = 0xe0;
8121                 nv->port_name[4] = 0x8b;
8122                 nv->port_name[5] = 0x1c;
8123                 nv->port_name[6] = 0x55;
8124                 nv->port_name[7] = 0x86;
8125                 nv->node_name[0] = 0x20;
8126                 nv->node_name[1] = 0x00;
8127                 nv->node_name[2] = 0x00;
8128                 nv->node_name[3] = 0xe0;
8129                 nv->node_name[4] = 0x8b;
8130                 nv->node_name[5] = 0x1c;
8131                 nv->node_name[6] = 0x55;
8132                 nv->node_name[7] = 0x86;
8133                 nv->login_retry_count = cpu_to_le16(8);
8134                 nv->interrupt_delay_timer = cpu_to_le16(0);
8135                 nv->login_timeout = cpu_to_le16(0);
8136                 nv->firmware_options_1 =
8137                     cpu_to_le32(BIT_14|BIT_13|BIT_2|BIT_1);
8138                 nv->firmware_options_2 = cpu_to_le32(2 << 4);
8139                 nv->firmware_options_2 |= cpu_to_le32(BIT_12);
8140                 nv->firmware_options_3 = cpu_to_le32(2 << 13);
8141                 nv->host_p = cpu_to_le32(BIT_11|BIT_10);
8142                 nv->efi_parameters = cpu_to_le32(0);
8143                 nv->reset_delay = 5;
8144                 nv->max_luns_per_target = cpu_to_le16(128);
8145                 nv->port_down_retry_count = cpu_to_le16(30);
8146                 nv->link_down_timeout = cpu_to_le16(180);
8147                 nv->enode_mac[0] = 0x00;
8148                 nv->enode_mac[1] = 0xC0;
8149                 nv->enode_mac[2] = 0xDD;
8150                 nv->enode_mac[3] = 0x04;
8151                 nv->enode_mac[4] = 0x05;
8152                 nv->enode_mac[5] = 0x06 + ha->port_no + 1;
8153
8154                 rval = 1;
8155         }
8156
8157         if (IS_T10_PI_CAPABLE(ha))
8158                 nv->frame_payload_size &= ~7;
8159
8160         qlt_81xx_config_nvram_stage1(vha, nv);
8161
8162         /* Reset Initialization control block */
8163         memset(icb, 0, ha->init_cb_size);
8164
8165         /* Copy 1st segment. */
8166         dptr1 = (uint8_t *)icb;
8167         dptr2 = (uint8_t *)&nv->version;
8168         cnt = (uint8_t *)&icb->response_q_inpointer - (uint8_t *)&icb->version;
8169         while (cnt--)
8170                 *dptr1++ = *dptr2++;
8171
8172         icb->login_retry_count = nv->login_retry_count;
8173
8174         /* Copy 2nd segment. */
8175         dptr1 = (uint8_t *)&icb->interrupt_delay_timer;
8176         dptr2 = (uint8_t *)&nv->interrupt_delay_timer;
8177         cnt = (uint8_t *)&icb->reserved_5 -
8178             (uint8_t *)&icb->interrupt_delay_timer;
8179         while (cnt--)
8180                 *dptr1++ = *dptr2++;
8181
8182         memcpy(icb->enode_mac, nv->enode_mac, sizeof(icb->enode_mac));
8183         /* Some boards (with valid NVRAMs) still have NULL enode_mac!! */
8184         if (!memcmp(icb->enode_mac, "\0\0\0\0\0\0", sizeof(icb->enode_mac))) {
8185                 icb->enode_mac[0] = 0x00;
8186                 icb->enode_mac[1] = 0xC0;
8187                 icb->enode_mac[2] = 0xDD;
8188                 icb->enode_mac[3] = 0x04;
8189                 icb->enode_mac[4] = 0x05;
8190                 icb->enode_mac[5] = 0x06 + ha->port_no + 1;
8191         }
8192
8193         /* Use extended-initialization control block. */
8194         memcpy(ha->ex_init_cb, &nv->ex_version, sizeof(*ha->ex_init_cb));
8195         ha->frame_payload_size = le16_to_cpu(icb->frame_payload_size);
8196         /*
8197          * Setup driver NVRAM options.
8198          */
8199         qla2x00_set_model_info(vha, nv->model_name, sizeof(nv->model_name),
8200             "QLE8XXX");
8201
8202         qlt_81xx_config_nvram_stage2(vha, icb);
8203
8204         /* Use alternate WWN? */
8205         if (nv->host_p & cpu_to_le32(BIT_15)) {
8206                 memcpy(icb->node_name, nv->alternate_node_name, WWN_SIZE);
8207                 memcpy(icb->port_name, nv->alternate_port_name, WWN_SIZE);
8208         }
8209
8210         /* Prepare nodename */
8211         if ((icb->firmware_options_1 & cpu_to_le32(BIT_14)) == 0) {
8212                 /*
8213                  * Firmware will apply the following mask if the nodename was
8214                  * not provided.
8215                  */
8216                 memcpy(icb->node_name, icb->port_name, WWN_SIZE);
8217                 icb->node_name[0] &= 0xF0;
8218         }
8219
8220         /* Set host adapter parameters. */
8221         ha->flags.disable_risc_code_load = 0;
8222         ha->flags.enable_lip_reset = 0;
8223         ha->flags.enable_lip_full_login =
8224             le32_to_cpu(nv->host_p) & BIT_10 ? 1: 0;
8225         ha->flags.enable_target_reset =
8226             le32_to_cpu(nv->host_p) & BIT_11 ? 1: 0;
8227         ha->flags.enable_led_scheme = 0;
8228         ha->flags.disable_serdes = le32_to_cpu(nv->host_p) & BIT_5 ? 1: 0;
8229
8230         ha->operating_mode = (le32_to_cpu(icb->firmware_options_2) &
8231             (BIT_6 | BIT_5 | BIT_4)) >> 4;
8232
8233         /* save HBA serial number */
8234         ha->serial0 = icb->port_name[5];
8235         ha->serial1 = icb->port_name[6];
8236         ha->serial2 = icb->port_name[7];
8237         memcpy(vha->node_name, icb->node_name, WWN_SIZE);
8238         memcpy(vha->port_name, icb->port_name, WWN_SIZE);
8239
8240         icb->execution_throttle = cpu_to_le16(0xFFFF);
8241
8242         ha->retry_count = le16_to_cpu(nv->login_retry_count);
8243
8244         /* Set minimum login_timeout to 4 seconds. */
8245         if (le16_to_cpu(nv->login_timeout) < ql2xlogintimeout)
8246                 nv->login_timeout = cpu_to_le16(ql2xlogintimeout);
8247         if (le16_to_cpu(nv->login_timeout) < 4)
8248                 nv->login_timeout = cpu_to_le16(4);
8249         ha->login_timeout = le16_to_cpu(nv->login_timeout);
8250
8251         /* Set minimum RATOV to 100 tenths of a second. */
8252         ha->r_a_tov = 100;
8253
8254         ha->loop_reset_delay = nv->reset_delay;
8255
8256         /* Link Down Timeout = 0:
8257          *
8258          *      When Port Down timer expires we will start returning
8259          *      I/O's to OS with "DID_NO_CONNECT".
8260          *
8261          * Link Down Timeout != 0:
8262          *
8263          *       The driver waits for the link to come up after link down
8264          *       before returning I/Os to OS with "DID_NO_CONNECT".
8265          */
8266         if (le16_to_cpu(nv->link_down_timeout) == 0) {
8267                 ha->loop_down_abort_time =
8268                     (LOOP_DOWN_TIME - LOOP_DOWN_TIMEOUT);
8269         } else {
8270                 ha->link_down_timeout = le16_to_cpu(nv->link_down_timeout);
8271                 ha->loop_down_abort_time =
8272                     (LOOP_DOWN_TIME - ha->link_down_timeout);
8273         }
8274
8275         /* Need enough time to try and get the port back. */
8276         ha->port_down_retry_count = le16_to_cpu(nv->port_down_retry_count);
8277         if (qlport_down_retry)
8278                 ha->port_down_retry_count = qlport_down_retry;
8279
8280         /* Set login_retry_count */
8281         ha->login_retry_count  = le16_to_cpu(nv->login_retry_count);
8282         if (ha->port_down_retry_count ==
8283             le16_to_cpu(nv->port_down_retry_count) &&
8284             ha->port_down_retry_count > 3)
8285                 ha->login_retry_count = ha->port_down_retry_count;
8286         else if (ha->port_down_retry_count > (int)ha->login_retry_count)
8287                 ha->login_retry_count = ha->port_down_retry_count;
8288         if (ql2xloginretrycount)
8289                 ha->login_retry_count = ql2xloginretrycount;
8290
8291         /* if not running MSI-X we need handshaking on interrupts */
8292         if (!vha->hw->flags.msix_enabled && (IS_QLA83XX(ha) || IS_QLA27XX(ha)))
8293                 icb->firmware_options_2 |= cpu_to_le32(BIT_22);
8294
8295         /* Enable ZIO. */
8296         if (!vha->flags.init_done) {
8297                 ha->zio_mode = le32_to_cpu(icb->firmware_options_2) &
8298                     (BIT_3 | BIT_2 | BIT_1 | BIT_0);
8299                 ha->zio_timer = le16_to_cpu(icb->interrupt_delay_timer) ?
8300                     le16_to_cpu(icb->interrupt_delay_timer): 2;
8301         }
8302         icb->firmware_options_2 &= cpu_to_le32(
8303             ~(BIT_3 | BIT_2 | BIT_1 | BIT_0));
8304         vha->flags.process_response_queue = 0;
8305         if (ha->zio_mode != QLA_ZIO_DISABLED) {
8306                 ha->zio_mode = QLA_ZIO_MODE_6;
8307
8308                 ql_log(ql_log_info, vha, 0x0075,
8309                     "ZIO mode %d enabled; timer delay (%d us).\n",
8310                     ha->zio_mode,
8311                     ha->zio_timer * 100);
8312
8313                 icb->firmware_options_2 |= cpu_to_le32(
8314                     (uint32_t)ha->zio_mode);
8315                 icb->interrupt_delay_timer = cpu_to_le16(ha->zio_timer);
8316                 vha->flags.process_response_queue = 1;
8317         }
8318
8319          /* enable RIDA Format2 */
8320         icb->firmware_options_3 |= BIT_0;
8321
8322         /* N2N: driver will initiate Login instead of FW */
8323         icb->firmware_options_3 |= BIT_8;
8324
8325         if (IS_QLA27XX(ha)) {
8326                 icb->firmware_options_3 |= BIT_8;
8327                 ql_dbg(ql_log_info, vha, 0x0075,
8328                     "Enabling direct connection.\n");
8329         }
8330
8331         if (rval) {
8332                 ql_log(ql_log_warn, vha, 0x0076,
8333                     "NVRAM configuration failed.\n");
8334         }
8335         return (rval);
8336 }
8337
8338 int
8339 qla82xx_restart_isp(scsi_qla_host_t *vha)
8340 {
8341         int status, rval;
8342         struct qla_hw_data *ha = vha->hw;
8343         struct req_que *req = ha->req_q_map[0];
8344         struct rsp_que *rsp = ha->rsp_q_map[0];
8345         struct scsi_qla_host *vp;
8346         unsigned long flags;
8347
8348         status = qla2x00_init_rings(vha);
8349         if (!status) {
8350                 clear_bit(RESET_MARKER_NEEDED, &vha->dpc_flags);
8351                 ha->flags.chip_reset_done = 1;
8352
8353                 status = qla2x00_fw_ready(vha);
8354                 if (!status) {
8355                         /* Issue a marker after FW becomes ready. */
8356                         qla2x00_marker(vha, req, rsp, 0, 0, MK_SYNC_ALL);
8357                         vha->flags.online = 1;
8358                         set_bit(LOOP_RESYNC_NEEDED, &vha->dpc_flags);
8359                 }
8360
8361                 /* if no cable then assume it's good */
8362                 if ((vha->device_flags & DFLG_NO_CABLE))
8363                         status = 0;
8364         }
8365
8366         if (!status) {
8367                 clear_bit(RESET_MARKER_NEEDED, &vha->dpc_flags);
8368
8369                 if (!atomic_read(&vha->loop_down_timer)) {
8370                         /*
8371                          * Issue marker command only when we are going
8372                          * to start the I/O .
8373                          */
8374                         vha->marker_needed = 1;
8375                 }
8376
8377                 ha->isp_ops->enable_intrs(ha);
8378
8379                 ha->isp_abort_cnt = 0;
8380                 clear_bit(ISP_ABORT_RETRY, &vha->dpc_flags);
8381
8382                 /* Update the firmware version */
8383                 status = qla82xx_check_md_needed(vha);
8384
8385                 if (ha->fce) {
8386                         ha->flags.fce_enabled = 1;
8387                         memset(ha->fce, 0,
8388                             fce_calc_size(ha->fce_bufs));
8389                         rval = qla2x00_enable_fce_trace(vha,
8390                             ha->fce_dma, ha->fce_bufs, ha->fce_mb,
8391                             &ha->fce_bufs);
8392                         if (rval) {
8393                                 ql_log(ql_log_warn, vha, 0x8001,
8394                                     "Unable to reinitialize FCE (%d).\n",
8395                                     rval);
8396                                 ha->flags.fce_enabled = 0;
8397                         }
8398                 }
8399
8400                 if (ha->eft) {
8401                         memset(ha->eft, 0, EFT_SIZE);
8402                         rval = qla2x00_enable_eft_trace(vha,
8403                             ha->eft_dma, EFT_NUM_BUFFERS);
8404                         if (rval) {
8405                                 ql_log(ql_log_warn, vha, 0x8010,
8406                                     "Unable to reinitialize EFT (%d).\n",
8407                                     rval);
8408                         }
8409                 }
8410         }
8411
8412         if (!status) {
8413                 ql_dbg(ql_dbg_taskm, vha, 0x8011,
8414                     "qla82xx_restart_isp succeeded.\n");
8415
8416                 spin_lock_irqsave(&ha->vport_slock, flags);
8417                 list_for_each_entry(vp, &ha->vp_list, list) {
8418                         if (vp->vp_idx) {
8419                                 atomic_inc(&vp->vref_count);
8420                                 spin_unlock_irqrestore(&ha->vport_slock, flags);
8421
8422                                 qla2x00_vp_abort_isp(vp);
8423
8424                                 spin_lock_irqsave(&ha->vport_slock, flags);
8425                                 atomic_dec(&vp->vref_count);
8426                         }
8427                 }
8428                 spin_unlock_irqrestore(&ha->vport_slock, flags);
8429
8430         } else {
8431                 ql_log(ql_log_warn, vha, 0x8016,
8432                     "qla82xx_restart_isp **** FAILED ****.\n");
8433         }
8434
8435         return status;
8436 }
8437
8438 void
8439 qla81xx_update_fw_options(scsi_qla_host_t *vha)
8440 {
8441         struct qla_hw_data *ha = vha->hw;
8442
8443         /*  Hold status IOCBs until ABTS response received. */
8444         if (ql2xfwholdabts)
8445                 ha->fw_options[3] |= BIT_12;
8446
8447         /* Set Retry FLOGI in case of P2P connection */
8448         if (ha->operating_mode == P2P) {
8449                 ha->fw_options[2] |= BIT_3;
8450                 ql_dbg(ql_dbg_disc, vha, 0x2103,
8451                     "(%s): Setting FLOGI retry BIT in fw_options[2]: 0x%x\n",
8452                         __func__, ha->fw_options[2]);
8453         }
8454
8455         /* Move PUREX, ABTS RX & RIDA to ATIOQ */
8456         if (ql2xmvasynctoatio) {
8457                 if (qla_tgt_mode_enabled(vha) ||
8458                     qla_dual_mode_enabled(vha))
8459                         ha->fw_options[2] |= BIT_11;
8460                 else
8461                         ha->fw_options[2] &= ~BIT_11;
8462         }
8463
8464         if (qla_tgt_mode_enabled(vha) ||
8465             qla_dual_mode_enabled(vha)) {
8466                 /* FW auto send SCSI status during */
8467                 ha->fw_options[1] |= BIT_8;
8468                 ha->fw_options[10] |= (u16)SAM_STAT_BUSY << 8;
8469
8470                 /* FW perform Exchange validation */
8471                 ha->fw_options[2] |= BIT_4;
8472         } else {
8473                 ha->fw_options[1]  &= ~BIT_8;
8474                 ha->fw_options[10] &= 0x00ff;
8475
8476                 ha->fw_options[2] &= ~BIT_4;
8477         }
8478
8479         if (ql2xetsenable) {
8480                 /* Enable ETS Burst. */
8481                 memset(ha->fw_options, 0, sizeof(ha->fw_options));
8482                 ha->fw_options[2] |= BIT_9;
8483         }
8484
8485         ql_dbg(ql_dbg_init, vha, 0x00e9,
8486             "%s, add FW options 1-3 = 0x%04x 0x%04x 0x%04x mode %x\n",
8487             __func__, ha->fw_options[1], ha->fw_options[2],
8488             ha->fw_options[3], vha->host->active_mode);
8489
8490         qla2x00_set_fw_options(vha, ha->fw_options);
8491 }
8492
8493 /*
8494  * qla24xx_get_fcp_prio
8495  *      Gets the fcp cmd priority value for the logged in port.
8496  *      Looks for a match of the port descriptors within
8497  *      each of the fcp prio config entries. If a match is found,
8498  *      the tag (priority) value is returned.
8499  *
8500  * Input:
8501  *      vha = scsi host structure pointer.
8502  *      fcport = port structure pointer.
8503  *
8504  * Return:
8505  *      non-zero (if found)
8506  *      -1 (if not found)
8507  *
8508  * Context:
8509  *      Kernel context
8510  */
8511 static int
8512 qla24xx_get_fcp_prio(scsi_qla_host_t *vha, fc_port_t *fcport)
8513 {
8514         int i, entries;
8515         uint8_t pid_match, wwn_match;
8516         int priority;
8517         uint32_t pid1, pid2;
8518         uint64_t wwn1, wwn2;
8519         struct qla_fcp_prio_entry *pri_entry;
8520         struct qla_hw_data *ha = vha->hw;
8521
8522         if (!ha->fcp_prio_cfg || !ha->flags.fcp_prio_enabled)
8523                 return -1;
8524
8525         priority = -1;
8526         entries = ha->fcp_prio_cfg->num_entries;
8527         pri_entry = &ha->fcp_prio_cfg->entry[0];
8528
8529         for (i = 0; i < entries; i++) {
8530                 pid_match = wwn_match = 0;
8531
8532                 if (!(pri_entry->flags & FCP_PRIO_ENTRY_VALID)) {
8533                         pri_entry++;
8534                         continue;
8535                 }
8536
8537                 /* check source pid for a match */
8538                 if (pri_entry->flags & FCP_PRIO_ENTRY_SPID_VALID) {
8539                         pid1 = pri_entry->src_pid & INVALID_PORT_ID;
8540                         pid2 = vha->d_id.b24 & INVALID_PORT_ID;
8541                         if (pid1 == INVALID_PORT_ID)
8542                                 pid_match++;
8543                         else if (pid1 == pid2)
8544                                 pid_match++;
8545                 }
8546
8547                 /* check destination pid for a match */
8548                 if (pri_entry->flags & FCP_PRIO_ENTRY_DPID_VALID) {
8549                         pid1 = pri_entry->dst_pid & INVALID_PORT_ID;
8550                         pid2 = fcport->d_id.b24 & INVALID_PORT_ID;
8551                         if (pid1 == INVALID_PORT_ID)
8552                                 pid_match++;
8553                         else if (pid1 == pid2)
8554                                 pid_match++;
8555                 }
8556
8557                 /* check source WWN for a match */
8558                 if (pri_entry->flags & FCP_PRIO_ENTRY_SWWN_VALID) {
8559                         wwn1 = wwn_to_u64(vha->port_name);
8560                         wwn2 = wwn_to_u64(pri_entry->src_wwpn);
8561                         if (wwn2 == (uint64_t)-1)
8562                                 wwn_match++;
8563                         else if (wwn1 == wwn2)
8564                                 wwn_match++;
8565                 }
8566
8567                 /* check destination WWN for a match */
8568                 if (pri_entry->flags & FCP_PRIO_ENTRY_DWWN_VALID) {
8569                         wwn1 = wwn_to_u64(fcport->port_name);
8570                         wwn2 = wwn_to_u64(pri_entry->dst_wwpn);
8571                         if (wwn2 == (uint64_t)-1)
8572                                 wwn_match++;
8573                         else if (wwn1 == wwn2)
8574                                 wwn_match++;
8575                 }
8576
8577                 if (pid_match == 2 || wwn_match == 2) {
8578                         /* Found a matching entry */
8579                         if (pri_entry->flags & FCP_PRIO_ENTRY_TAG_VALID)
8580                                 priority = pri_entry->tag;
8581                         break;
8582                 }
8583
8584                 pri_entry++;
8585         }
8586
8587         return priority;
8588 }
8589
8590 /*
8591  * qla24xx_update_fcport_fcp_prio
8592  *      Activates fcp priority for the logged in fc port
8593  *
8594  * Input:
8595  *      vha = scsi host structure pointer.
8596  *      fcp = port structure pointer.
8597  *
8598  * Return:
8599  *      QLA_SUCCESS or QLA_FUNCTION_FAILED
8600  *
8601  * Context:
8602  *      Kernel context.
8603  */
8604 int
8605 qla24xx_update_fcport_fcp_prio(scsi_qla_host_t *vha, fc_port_t *fcport)
8606 {
8607         int ret;
8608         int priority;
8609         uint16_t mb[5];
8610
8611         if (fcport->port_type != FCT_TARGET ||
8612             fcport->loop_id == FC_NO_LOOP_ID)
8613                 return QLA_FUNCTION_FAILED;
8614
8615         priority = qla24xx_get_fcp_prio(vha, fcport);
8616         if (priority < 0)
8617                 return QLA_FUNCTION_FAILED;
8618
8619         if (IS_P3P_TYPE(vha->hw)) {
8620                 fcport->fcp_prio = priority & 0xf;
8621                 return QLA_SUCCESS;
8622         }
8623
8624         ret = qla24xx_set_fcp_prio(vha, fcport->loop_id, priority, mb);
8625         if (ret == QLA_SUCCESS) {
8626                 if (fcport->fcp_prio != priority)
8627                         ql_dbg(ql_dbg_user, vha, 0x709e,
8628                             "Updated FCP_CMND priority - value=%d loop_id=%d "
8629                             "port_id=%02x%02x%02x.\n", priority,
8630                             fcport->loop_id, fcport->d_id.b.domain,
8631                             fcport->d_id.b.area, fcport->d_id.b.al_pa);
8632                 fcport->fcp_prio = priority & 0xf;
8633         } else
8634                 ql_dbg(ql_dbg_user, vha, 0x704f,
8635                     "Unable to update FCP_CMND priority - ret=0x%x for "
8636                     "loop_id=%d port_id=%02x%02x%02x.\n", ret, fcport->loop_id,
8637                     fcport->d_id.b.domain, fcport->d_id.b.area,
8638                     fcport->d_id.b.al_pa);
8639         return  ret;
8640 }
8641
8642 /*
8643  * qla24xx_update_all_fcp_prio
8644  *      Activates fcp priority for all the logged in ports
8645  *
8646  * Input:
8647  *      ha = adapter block pointer.
8648  *
8649  * Return:
8650  *      QLA_SUCCESS or QLA_FUNCTION_FAILED
8651  *
8652  * Context:
8653  *      Kernel context.
8654  */
8655 int
8656 qla24xx_update_all_fcp_prio(scsi_qla_host_t *vha)
8657 {
8658         int ret;
8659         fc_port_t *fcport;
8660
8661         ret = QLA_FUNCTION_FAILED;
8662         /* We need to set priority for all logged in ports */
8663         list_for_each_entry(fcport, &vha->vp_fcports, list)
8664                 ret = qla24xx_update_fcport_fcp_prio(vha, fcport);
8665
8666         return ret;
8667 }
8668
8669 struct qla_qpair *qla2xxx_create_qpair(struct scsi_qla_host *vha, int qos,
8670         int vp_idx, bool startqp)
8671 {
8672         int rsp_id = 0;
8673         int  req_id = 0;
8674         int i;
8675         struct qla_hw_data *ha = vha->hw;
8676         uint16_t qpair_id = 0;
8677         struct qla_qpair *qpair = NULL;
8678         struct qla_msix_entry *msix;
8679
8680         if (!(ha->fw_attributes & BIT_6) || !ha->flags.msix_enabled) {
8681                 ql_log(ql_log_warn, vha, 0x00181,
8682                     "FW/Driver is not multi-queue capable.\n");
8683                 return NULL;
8684         }
8685
8686         if (ql2xmqsupport || ql2xnvmeenable) {
8687                 qpair = kzalloc(sizeof(struct qla_qpair), GFP_KERNEL);
8688                 if (qpair == NULL) {
8689                         ql_log(ql_log_warn, vha, 0x0182,
8690                             "Failed to allocate memory for queue pair.\n");
8691                         return NULL;
8692                 }
8693                 memset(qpair, 0, sizeof(struct qla_qpair));
8694
8695                 qpair->hw = vha->hw;
8696                 qpair->vha = vha;
8697                 qpair->qp_lock_ptr = &qpair->qp_lock;
8698                 spin_lock_init(&qpair->qp_lock);
8699                 qpair->use_shadow_reg = IS_SHADOW_REG_CAPABLE(ha) ? 1 : 0;
8700
8701                 /* Assign available que pair id */
8702                 mutex_lock(&ha->mq_lock);
8703                 qpair_id = find_first_zero_bit(ha->qpair_qid_map, ha->max_qpairs);
8704                 if (ha->num_qpairs >= ha->max_qpairs) {
8705                         mutex_unlock(&ha->mq_lock);
8706                         ql_log(ql_log_warn, vha, 0x0183,
8707                             "No resources to create additional q pair.\n");
8708                         goto fail_qid_map;
8709                 }
8710                 ha->num_qpairs++;
8711                 set_bit(qpair_id, ha->qpair_qid_map);
8712                 ha->queue_pair_map[qpair_id] = qpair;
8713                 qpair->id = qpair_id;
8714                 qpair->vp_idx = vp_idx;
8715                 qpair->fw_started = ha->flags.fw_started;
8716                 INIT_LIST_HEAD(&qpair->hints_list);
8717                 qpair->chip_reset = ha->base_qpair->chip_reset;
8718                 qpair->enable_class_2 = ha->base_qpair->enable_class_2;
8719                 qpair->enable_explicit_conf =
8720                     ha->base_qpair->enable_explicit_conf;
8721
8722                 for (i = 0; i < ha->msix_count; i++) {
8723                         msix = &ha->msix_entries[i];
8724                         if (msix->in_use)
8725                                 continue;
8726                         qpair->msix = msix;
8727                         ql_dbg(ql_dbg_multiq, vha, 0xc00f,
8728                             "Vector %x selected for qpair\n", msix->vector);
8729                         break;
8730                 }
8731                 if (!qpair->msix) {
8732                         ql_log(ql_log_warn, vha, 0x0184,
8733                             "Out of MSI-X vectors!.\n");
8734                         goto fail_msix;
8735                 }
8736
8737                 qpair->msix->in_use = 1;
8738                 list_add_tail(&qpair->qp_list_elem, &vha->qp_list);
8739                 qpair->pdev = ha->pdev;
8740                 if (IS_QLA27XX(ha) || IS_QLA83XX(ha))
8741                         qpair->reqq_start_iocbs = qla_83xx_start_iocbs;
8742
8743                 mutex_unlock(&ha->mq_lock);
8744
8745                 /* Create response queue first */
8746                 rsp_id = qla25xx_create_rsp_que(ha, 0, 0, 0, qpair, startqp);
8747                 if (!rsp_id) {
8748                         ql_log(ql_log_warn, vha, 0x0185,
8749                             "Failed to create response queue.\n");
8750                         goto fail_rsp;
8751                 }
8752
8753                 qpair->rsp = ha->rsp_q_map[rsp_id];
8754
8755                 /* Create request queue */
8756                 req_id = qla25xx_create_req_que(ha, 0, vp_idx, 0, rsp_id, qos,
8757                     startqp);
8758                 if (!req_id) {
8759                         ql_log(ql_log_warn, vha, 0x0186,
8760                             "Failed to create request queue.\n");
8761                         goto fail_req;
8762                 }
8763
8764                 qpair->req = ha->req_q_map[req_id];
8765                 qpair->rsp->req = qpair->req;
8766                 qpair->rsp->qpair = qpair;
8767                 /* init qpair to this cpu. Will adjust at run time. */
8768                 qla_cpu_update(qpair, smp_processor_id());
8769
8770                 if (IS_T10_PI_CAPABLE(ha) && ql2xenabledif) {
8771                         if (ha->fw_attributes & BIT_4)
8772                                 qpair->difdix_supported = 1;
8773                 }
8774
8775                 qpair->srb_mempool = mempool_create_slab_pool(SRB_MIN_REQ, srb_cachep);
8776                 if (!qpair->srb_mempool) {
8777                         ql_log(ql_log_warn, vha, 0xd036,
8778                             "Failed to create srb mempool for qpair %d\n",
8779                             qpair->id);
8780                         goto fail_mempool;
8781                 }
8782
8783                 /* Mark as online */
8784                 qpair->online = 1;
8785
8786                 if (!vha->flags.qpairs_available)
8787                         vha->flags.qpairs_available = 1;
8788
8789                 ql_dbg(ql_dbg_multiq, vha, 0xc00d,
8790                     "Request/Response queue pair created, id %d\n",
8791                     qpair->id);
8792                 ql_dbg(ql_dbg_init, vha, 0x0187,
8793                     "Request/Response queue pair created, id %d\n",
8794                     qpair->id);
8795         }
8796         return qpair;
8797
8798 fail_mempool:
8799 fail_req:
8800         qla25xx_delete_rsp_que(vha, qpair->rsp);
8801 fail_rsp:
8802         mutex_lock(&ha->mq_lock);
8803         qpair->msix->in_use = 0;
8804         list_del(&qpair->qp_list_elem);
8805         if (list_empty(&vha->qp_list))
8806                 vha->flags.qpairs_available = 0;
8807 fail_msix:
8808         ha->queue_pair_map[qpair_id] = NULL;
8809         clear_bit(qpair_id, ha->qpair_qid_map);
8810         ha->num_qpairs--;
8811         mutex_unlock(&ha->mq_lock);
8812 fail_qid_map:
8813         kfree(qpair);
8814         return NULL;
8815 }
8816
8817 int qla2xxx_delete_qpair(struct scsi_qla_host *vha, struct qla_qpair *qpair)
8818 {
8819         int ret = QLA_FUNCTION_FAILED;
8820         struct qla_hw_data *ha = qpair->hw;
8821
8822         qpair->delete_in_progress = 1;
8823         while (atomic_read(&qpair->ref_count))
8824                 msleep(500);
8825
8826         ret = qla25xx_delete_req_que(vha, qpair->req);
8827         if (ret != QLA_SUCCESS)
8828                 goto fail;
8829
8830         ret = qla25xx_delete_rsp_que(vha, qpair->rsp);
8831         if (ret != QLA_SUCCESS)
8832                 goto fail;
8833
8834         mutex_lock(&ha->mq_lock);
8835         ha->queue_pair_map[qpair->id] = NULL;
8836         clear_bit(qpair->id, ha->qpair_qid_map);
8837         ha->num_qpairs--;
8838         list_del(&qpair->qp_list_elem);
8839         if (list_empty(&vha->qp_list)) {
8840                 vha->flags.qpairs_available = 0;
8841                 vha->flags.qpairs_req_created = 0;
8842                 vha->flags.qpairs_rsp_created = 0;
8843         }
8844         mempool_destroy(qpair->srb_mempool);
8845         kfree(qpair);
8846         mutex_unlock(&ha->mq_lock);
8847
8848         return QLA_SUCCESS;
8849 fail:
8850         return ret;
8851 }