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], sp->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         sp->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_zalloc_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_zalloc_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 invalid local loop ID. */
5050                 if (loop_id > LAST_LOCAL_LOOP_ID)
5051                         continue;
5052
5053                 memset(new_fcport->port_name, 0, WWN_SIZE);
5054
5055                 /* Fill in member data. */
5056                 new_fcport->d_id.b.domain = domain;
5057                 new_fcport->d_id.b.area = area;
5058                 new_fcport->d_id.b.al_pa = al_pa;
5059                 new_fcport->loop_id = loop_id;
5060                 new_fcport->scan_state = QLA_FCPORT_FOUND;
5061
5062                 rval2 = qla2x00_get_port_database(vha, new_fcport, 0);
5063                 if (rval2 != QLA_SUCCESS) {
5064                         ql_dbg(ql_dbg_disc, vha, 0x2097,
5065                             "Failed to retrieve fcport information "
5066                             "-- get_port_database=%x, loop_id=0x%04x.\n",
5067                             rval2, new_fcport->loop_id);
5068                         /* Skip retry if N2N */
5069                         if (ha->current_topology != ISP_CFG_N) {
5070                                 ql_dbg(ql_dbg_disc, vha, 0x2105,
5071                                     "Scheduling resync.\n");
5072                                 set_bit(LOOP_RESYNC_NEEDED, &vha->dpc_flags);
5073                                 continue;
5074                         }
5075                 }
5076
5077                 spin_lock_irqsave(&vha->hw->tgt.sess_lock, flags);
5078                 /* Check for matching device in port list. */
5079                 found = 0;
5080                 fcport = NULL;
5081                 list_for_each_entry(fcport, &vha->vp_fcports, list) {
5082                         if (memcmp(new_fcport->port_name, fcport->port_name,
5083                             WWN_SIZE))
5084                                 continue;
5085
5086                         fcport->flags &= ~FCF_FABRIC_DEVICE;
5087                         fcport->loop_id = new_fcport->loop_id;
5088                         fcport->port_type = new_fcport->port_type;
5089                         fcport->d_id.b24 = new_fcport->d_id.b24;
5090                         memcpy(fcport->node_name, new_fcport->node_name,
5091                             WWN_SIZE);
5092                         fcport->scan_state = QLA_FCPORT_FOUND;
5093                         found++;
5094                         break;
5095                 }
5096
5097                 if (!found) {
5098                         /* New device, add to fcports list. */
5099                         list_add_tail(&new_fcport->list, &vha->vp_fcports);
5100
5101                         /* Allocate a new replacement fcport. */
5102                         fcport = new_fcport;
5103
5104                         spin_unlock_irqrestore(&vha->hw->tgt.sess_lock, flags);
5105
5106                         new_fcport = qla2x00_alloc_fcport(vha, GFP_KERNEL);
5107
5108                         if (new_fcport == NULL) {
5109                                 ql_log(ql_log_warn, vha, 0xd031,
5110                                     "Failed to allocate memory for fcport.\n");
5111                                 rval = QLA_MEMORY_ALLOC_FAILED;
5112                                 goto cleanup_allocation;
5113                         }
5114                         spin_lock_irqsave(&vha->hw->tgt.sess_lock, flags);
5115                         new_fcport->flags &= ~FCF_FABRIC_DEVICE;
5116                 }
5117
5118                 spin_unlock_irqrestore(&vha->hw->tgt.sess_lock, flags);
5119
5120                 /* Base iIDMA settings on HBA port speed. */
5121                 fcport->fp_speed = ha->link_data_rate;
5122
5123                 found_devs++;
5124         }
5125
5126         list_for_each_entry(fcport, &vha->vp_fcports, list) {
5127                 if (test_bit(LOOP_RESYNC_NEEDED, &vha->dpc_flags))
5128                         break;
5129
5130                 if (fcport->scan_state == QLA_FCPORT_SCAN) {
5131                         if ((qla_dual_mode_enabled(vha) ||
5132                             qla_ini_mode_enabled(vha)) &&
5133                             atomic_read(&fcport->state) == FCS_ONLINE) {
5134                                 qla2x00_mark_device_lost(vha, fcport,
5135                                         ql2xplogiabsentdevice, 0);
5136                                 if (fcport->loop_id != FC_NO_LOOP_ID &&
5137                                     (fcport->flags & FCF_FCP2_DEVICE) == 0 &&
5138                                     fcport->port_type != FCT_INITIATOR &&
5139                                     fcport->port_type != FCT_BROADCAST) {
5140                                         ql_dbg(ql_dbg_disc, vha, 0x20f0,
5141                                             "%s %d %8phC post del sess\n",
5142                                             __func__, __LINE__,
5143                                             fcport->port_name);
5144
5145                                         qlt_schedule_sess_for_deletion(fcport);
5146                                         continue;
5147                                 }
5148                         }
5149                 }
5150
5151                 if (fcport->scan_state == QLA_FCPORT_FOUND)
5152                         qla24xx_fcport_handle_login(vha, fcport);
5153         }
5154
5155 cleanup_allocation:
5156         kfree(new_fcport);
5157
5158         if (rval != QLA_SUCCESS) {
5159                 ql_dbg(ql_dbg_disc, vha, 0x2098,
5160                     "Configure local loop error exit: rval=%x.\n", rval);
5161         }
5162
5163         return (rval);
5164 }
5165
5166 static void
5167 qla2x00_iidma_fcport(scsi_qla_host_t *vha, fc_port_t *fcport)
5168 {
5169         int rval;
5170         uint16_t mb[MAILBOX_REGISTER_COUNT];
5171         struct qla_hw_data *ha = vha->hw;
5172
5173         if (!IS_IIDMA_CAPABLE(ha))
5174                 return;
5175
5176         if (atomic_read(&fcport->state) != FCS_ONLINE)
5177                 return;
5178
5179         if (fcport->fp_speed == PORT_SPEED_UNKNOWN ||
5180             fcport->fp_speed > ha->link_data_rate ||
5181             !ha->flags.gpsc_supported)
5182                 return;
5183
5184         rval = qla2x00_set_idma_speed(vha, fcport->loop_id, fcport->fp_speed,
5185             mb);
5186         if (rval != QLA_SUCCESS) {
5187                 ql_dbg(ql_dbg_disc, vha, 0x2004,
5188                     "Unable to adjust iIDMA %8phN -- %04x %x %04x %04x.\n",
5189                     fcport->port_name, rval, fcport->fp_speed, mb[0], mb[1]);
5190         } else {
5191                 ql_dbg(ql_dbg_disc, vha, 0x2005,
5192                     "iIDMA adjusted to %s GB/s (%X) on %8phN.\n",
5193                     qla2x00_get_link_speed_str(ha, fcport->fp_speed),
5194                     fcport->fp_speed, fcport->port_name);
5195         }
5196 }
5197
5198 void qla_do_iidma_work(struct scsi_qla_host *vha, fc_port_t *fcport)
5199 {
5200         qla2x00_iidma_fcport(vha, fcport);
5201         qla24xx_update_fcport_fcp_prio(vha, fcport);
5202 }
5203
5204 int qla_post_iidma_work(struct scsi_qla_host *vha, fc_port_t *fcport)
5205 {
5206         struct qla_work_evt *e;
5207
5208         e = qla2x00_alloc_work(vha, QLA_EVT_IIDMA);
5209         if (!e)
5210                 return QLA_FUNCTION_FAILED;
5211
5212         e->u.fcport.fcport = fcport;
5213         return qla2x00_post_work(vha, e);
5214 }
5215
5216 /* qla2x00_reg_remote_port is reserved for Initiator Mode only.*/
5217 static void
5218 qla2x00_reg_remote_port(scsi_qla_host_t *vha, fc_port_t *fcport)
5219 {
5220         struct fc_rport_identifiers rport_ids;
5221         struct fc_rport *rport;
5222         unsigned long flags;
5223
5224         if (atomic_read(&fcport->state) == FCS_ONLINE)
5225                 return;
5226
5227         rport_ids.node_name = wwn_to_u64(fcport->node_name);
5228         rport_ids.port_name = wwn_to_u64(fcport->port_name);
5229         rport_ids.port_id = fcport->d_id.b.domain << 16 |
5230             fcport->d_id.b.area << 8 | fcport->d_id.b.al_pa;
5231         rport_ids.roles = FC_RPORT_ROLE_UNKNOWN;
5232         fcport->rport = rport = fc_remote_port_add(vha->host, 0, &rport_ids);
5233         if (!rport) {
5234                 ql_log(ql_log_warn, vha, 0x2006,
5235                     "Unable to allocate fc remote port.\n");
5236                 return;
5237         }
5238
5239         spin_lock_irqsave(fcport->vha->host->host_lock, flags);
5240         *((fc_port_t **)rport->dd_data) = fcport;
5241         spin_unlock_irqrestore(fcport->vha->host->host_lock, flags);
5242
5243         rport->supported_classes = fcport->supported_classes;
5244
5245         rport_ids.roles = FC_RPORT_ROLE_UNKNOWN;
5246         if (fcport->port_type == FCT_INITIATOR)
5247                 rport_ids.roles |= FC_RPORT_ROLE_FCP_INITIATOR;
5248         if (fcport->port_type == FCT_TARGET)
5249                 rport_ids.roles |= FC_RPORT_ROLE_FCP_TARGET;
5250
5251         ql_dbg(ql_dbg_disc, vha, 0x20ee,
5252             "%s %8phN. rport %p is %s mode\n",
5253             __func__, fcport->port_name, rport,
5254             (fcport->port_type == FCT_TARGET) ? "tgt" : "ini");
5255
5256         fc_remote_port_rolechg(rport, rport_ids.roles);
5257 }
5258
5259 /*
5260  * qla2x00_update_fcport
5261  *      Updates device on list.
5262  *
5263  * Input:
5264  *      ha = adapter block pointer.
5265  *      fcport = port structure pointer.
5266  *
5267  * Return:
5268  *      0  - Success
5269  *  BIT_0 - error
5270  *
5271  * Context:
5272  *      Kernel context.
5273  */
5274 void
5275 qla2x00_update_fcport(scsi_qla_host_t *vha, fc_port_t *fcport)
5276 {
5277         if (IS_SW_RESV_ADDR(fcport->d_id))
5278                 return;
5279
5280         ql_dbg(ql_dbg_disc, vha, 0x20ef, "%s %8phC\n",
5281             __func__, fcport->port_name);
5282
5283         fcport->disc_state = DSC_UPD_FCPORT;
5284         fcport->login_retry = vha->hw->login_retry_count;
5285         fcport->flags &= ~(FCF_LOGIN_NEEDED | FCF_ASYNC_SENT);
5286         fcport->deleted = 0;
5287         fcport->logout_on_delete = 1;
5288         fcport->login_retry = vha->hw->login_retry_count;
5289         fcport->n2n_chip_reset = fcport->n2n_link_reset_cnt = 0;
5290
5291         switch (vha->hw->current_topology) {
5292         case ISP_CFG_N:
5293         case ISP_CFG_NL:
5294                 fcport->keep_nport_handle = 1;
5295                 break;
5296         default:
5297                 break;
5298         }
5299
5300         qla2x00_iidma_fcport(vha, fcport);
5301
5302         if (fcport->fc4f_nvme) {
5303                 qla_nvme_register_remote(vha, fcport);
5304                 fcport->disc_state = DSC_LOGIN_COMPLETE;
5305                 qla2x00_set_fcport_state(fcport, FCS_ONLINE);
5306                 return;
5307         }
5308
5309         qla24xx_update_fcport_fcp_prio(vha, fcport);
5310
5311         switch (vha->host->active_mode) {
5312         case MODE_INITIATOR:
5313                 qla2x00_reg_remote_port(vha, fcport);
5314                 break;
5315         case MODE_TARGET:
5316                 if (!vha->vha_tgt.qla_tgt->tgt_stop &&
5317                         !vha->vha_tgt.qla_tgt->tgt_stopped)
5318                         qlt_fc_port_added(vha, fcport);
5319                 break;
5320         case MODE_DUAL:
5321                 qla2x00_reg_remote_port(vha, fcport);
5322                 if (!vha->vha_tgt.qla_tgt->tgt_stop &&
5323                         !vha->vha_tgt.qla_tgt->tgt_stopped)
5324                         qlt_fc_port_added(vha, fcport);
5325                 break;
5326         default:
5327                 break;
5328         }
5329
5330         qla2x00_set_fcport_state(fcport, FCS_ONLINE);
5331
5332         if (IS_IIDMA_CAPABLE(vha->hw) && vha->hw->flags.gpsc_supported) {
5333                 if (fcport->id_changed) {
5334                         fcport->id_changed = 0;
5335                         ql_dbg(ql_dbg_disc, vha, 0x20d7,
5336                             "%s %d %8phC post gfpnid fcp_cnt %d\n",
5337                             __func__, __LINE__, fcport->port_name,
5338                             vha->fcport_count);
5339                         qla24xx_post_gfpnid_work(vha, fcport);
5340                 } else {
5341                         ql_dbg(ql_dbg_disc, vha, 0x20d7,
5342                             "%s %d %8phC post gpsc fcp_cnt %d\n",
5343                             __func__, __LINE__, fcport->port_name,
5344                             vha->fcport_count);
5345                         qla24xx_post_gpsc_work(vha, fcport);
5346                 }
5347         }
5348
5349         fcport->disc_state = DSC_LOGIN_COMPLETE;
5350 }
5351
5352 void qla_register_fcport_fn(struct work_struct *work)
5353 {
5354         fc_port_t *fcport = container_of(work, struct fc_port, reg_work);
5355         u32 rscn_gen = fcport->rscn_gen;
5356         u16 data[2];
5357
5358         if (IS_SW_RESV_ADDR(fcport->d_id))
5359                 return;
5360
5361         qla2x00_update_fcport(fcport->vha, fcport);
5362
5363         if (rscn_gen != fcport->rscn_gen) {
5364                 /* RSCN(s) came in while registration */
5365                 switch (fcport->next_disc_state) {
5366                 case DSC_DELETE_PEND:
5367                         qlt_schedule_sess_for_deletion(fcport);
5368                         break;
5369                 case DSC_ADISC:
5370                         data[0] = data[1] = 0;
5371                         qla2x00_post_async_adisc_work(fcport->vha, fcport,
5372                             data);
5373                         break;
5374                 default:
5375                         break;
5376                 }
5377         }
5378 }
5379
5380 /*
5381  * qla2x00_configure_fabric
5382  *      Setup SNS devices with loop ID's.
5383  *
5384  * Input:
5385  *      ha = adapter block pointer.
5386  *
5387  * Returns:
5388  *      0 = success.
5389  *      BIT_0 = error
5390  */
5391 static int
5392 qla2x00_configure_fabric(scsi_qla_host_t *vha)
5393 {
5394         int     rval;
5395         fc_port_t       *fcport;
5396         uint16_t        mb[MAILBOX_REGISTER_COUNT];
5397         uint16_t        loop_id;
5398         LIST_HEAD(new_fcports);
5399         struct qla_hw_data *ha = vha->hw;
5400         int             discovery_gen;
5401
5402         /* If FL port exists, then SNS is present */
5403         if (IS_FWI2_CAPABLE(ha))
5404                 loop_id = NPH_F_PORT;
5405         else
5406                 loop_id = SNS_FL_PORT;
5407         rval = qla2x00_get_port_name(vha, loop_id, vha->fabric_node_name, 1);
5408         if (rval != QLA_SUCCESS) {
5409                 ql_dbg(ql_dbg_disc, vha, 0x20a0,
5410                     "MBX_GET_PORT_NAME failed, No FL Port.\n");
5411
5412                 vha->device_flags &= ~SWITCH_FOUND;
5413                 return (QLA_SUCCESS);
5414         }
5415         vha->device_flags |= SWITCH_FOUND;
5416
5417
5418         if (qla_tgt_mode_enabled(vha) || qla_dual_mode_enabled(vha)) {
5419                 rval = qla2x00_send_change_request(vha, 0x3, 0);
5420                 if (rval != QLA_SUCCESS)
5421                         ql_log(ql_log_warn, vha, 0x121,
5422                                 "Failed to enable receiving of RSCN requests: 0x%x.\n",
5423                                 rval);
5424         }
5425
5426
5427         do {
5428                 qla2x00_mgmt_svr_login(vha);
5429
5430                 /* FDMI support. */
5431                 if (ql2xfdmienable &&
5432                     test_and_clear_bit(REGISTER_FDMI_NEEDED, &vha->dpc_flags))
5433                         qla2x00_fdmi_register(vha);
5434
5435                 /* Ensure we are logged into the SNS. */
5436                 loop_id = NPH_SNS_LID(ha);
5437                 rval = ha->isp_ops->fabric_login(vha, loop_id, 0xff, 0xff,
5438                     0xfc, mb, BIT_1|BIT_0);
5439                 if (rval != QLA_SUCCESS || mb[0] != MBS_COMMAND_COMPLETE) {
5440                         ql_dbg(ql_dbg_disc, vha, 0x20a1,
5441                             "Failed SNS login: loop_id=%x mb[0]=%x mb[1]=%x mb[2]=%x mb[6]=%x mb[7]=%x (%x).\n",
5442                             loop_id, mb[0], mb[1], mb[2], mb[6], mb[7], rval);
5443                         set_bit(LOOP_RESYNC_NEEDED, &vha->dpc_flags);
5444                         return rval;
5445                 }
5446                 if (test_and_clear_bit(REGISTER_FC4_NEEDED, &vha->dpc_flags)) {
5447                         if (qla2x00_rft_id(vha)) {
5448                                 /* EMPTY */
5449                                 ql_dbg(ql_dbg_disc, vha, 0x20a2,
5450                                     "Register FC-4 TYPE failed.\n");
5451                                 if (test_bit(LOOP_RESYNC_NEEDED,
5452                                     &vha->dpc_flags))
5453                                         break;
5454                         }
5455                         if (qla2x00_rff_id(vha, FC4_TYPE_FCP_SCSI)) {
5456                                 /* EMPTY */
5457                                 ql_dbg(ql_dbg_disc, vha, 0x209a,
5458                                     "Register FC-4 Features failed.\n");
5459                                 if (test_bit(LOOP_RESYNC_NEEDED,
5460                                     &vha->dpc_flags))
5461                                         break;
5462                         }
5463                         if (vha->flags.nvme_enabled) {
5464                                 if (qla2x00_rff_id(vha, FC_TYPE_NVME)) {
5465                                         ql_dbg(ql_dbg_disc, vha, 0x2049,
5466                                             "Register NVME FC Type Features failed.\n");
5467                                 }
5468                         }
5469                         if (qla2x00_rnn_id(vha)) {
5470                                 /* EMPTY */
5471                                 ql_dbg(ql_dbg_disc, vha, 0x2104,
5472                                     "Register Node Name failed.\n");
5473                                 if (test_bit(LOOP_RESYNC_NEEDED,
5474                                     &vha->dpc_flags))
5475                                         break;
5476                         } else if (qla2x00_rsnn_nn(vha)) {
5477                                 /* EMPTY */
5478                                 ql_dbg(ql_dbg_disc, vha, 0x209b,
5479                                     "Register Symbolic Node Name failed.\n");
5480                                 if (test_bit(LOOP_RESYNC_NEEDED, &vha->dpc_flags))
5481                                         break;
5482                         }
5483                 }
5484
5485
5486                 /* Mark the time right before querying FW for connected ports.
5487                  * This process is long, asynchronous and by the time it's done,
5488                  * collected information might not be accurate anymore. E.g.
5489                  * disconnected port might have re-connected and a brand new
5490                  * session has been created. In this case session's generation
5491                  * will be newer than discovery_gen. */
5492                 qlt_do_generation_tick(vha, &discovery_gen);
5493
5494                 if (USE_ASYNC_SCAN(ha)) {
5495                         rval = qla24xx_async_gpnft(vha, FC4_TYPE_FCP_SCSI,
5496                             NULL);
5497                         if (rval)
5498                                 set_bit(LOOP_RESYNC_NEEDED, &vha->dpc_flags);
5499                 } else  {
5500                         list_for_each_entry(fcport, &vha->vp_fcports, list)
5501                                 fcport->scan_state = QLA_FCPORT_SCAN;
5502
5503                         rval = qla2x00_find_all_fabric_devs(vha);
5504                 }
5505                 if (rval != QLA_SUCCESS)
5506                         break;
5507         } while (0);
5508
5509         if (!vha->nvme_local_port && vha->flags.nvme_enabled)
5510                 qla_nvme_register_hba(vha);
5511
5512         if (rval)
5513                 ql_dbg(ql_dbg_disc, vha, 0x2068,
5514                     "Configure fabric error exit rval=%d.\n", rval);
5515
5516         return (rval);
5517 }
5518
5519 /*
5520  * qla2x00_find_all_fabric_devs
5521  *
5522  * Input:
5523  *      ha = adapter block pointer.
5524  *      dev = database device entry pointer.
5525  *
5526  * Returns:
5527  *      0 = success.
5528  *
5529  * Context:
5530  *      Kernel context.
5531  */
5532 static int
5533 qla2x00_find_all_fabric_devs(scsi_qla_host_t *vha)
5534 {
5535         int             rval;
5536         uint16_t        loop_id;
5537         fc_port_t       *fcport, *new_fcport;
5538         int             found;
5539
5540         sw_info_t       *swl;
5541         int             swl_idx;
5542         int             first_dev, last_dev;
5543         port_id_t       wrap = {}, nxt_d_id;
5544         struct qla_hw_data *ha = vha->hw;
5545         struct scsi_qla_host *base_vha = pci_get_drvdata(ha->pdev);
5546         unsigned long flags;
5547
5548         rval = QLA_SUCCESS;
5549
5550         /* Try GID_PT to get device list, else GAN. */
5551         if (!ha->swl)
5552                 ha->swl = kcalloc(ha->max_fibre_devices, sizeof(sw_info_t),
5553                     GFP_KERNEL);
5554         swl = ha->swl;
5555         if (!swl) {
5556                 /*EMPTY*/
5557                 ql_dbg(ql_dbg_disc, vha, 0x209c,
5558                     "GID_PT allocations failed, fallback on GA_NXT.\n");
5559         } else {
5560                 memset(swl, 0, ha->max_fibre_devices * sizeof(sw_info_t));
5561                 if (qla2x00_gid_pt(vha, swl) != QLA_SUCCESS) {
5562                         swl = NULL;
5563                         if (test_bit(LOOP_RESYNC_NEEDED, &vha->dpc_flags))
5564                                 return rval;
5565                 } else if (qla2x00_gpn_id(vha, swl) != QLA_SUCCESS) {
5566                         swl = NULL;
5567                         if (test_bit(LOOP_RESYNC_NEEDED, &vha->dpc_flags))
5568                                 return rval;
5569                 } else if (qla2x00_gnn_id(vha, swl) != QLA_SUCCESS) {
5570                         swl = NULL;
5571                         if (test_bit(LOOP_RESYNC_NEEDED, &vha->dpc_flags))
5572                                 return rval;
5573                 } else if (qla2x00_gfpn_id(vha, swl) != QLA_SUCCESS) {
5574                         swl = NULL;
5575                         if (test_bit(LOOP_RESYNC_NEEDED, &vha->dpc_flags))
5576                                 return rval;
5577                 }
5578
5579                 /* If other queries succeeded probe for FC-4 type */
5580                 if (swl) {
5581                         qla2x00_gff_id(vha, swl);
5582                         if (test_bit(LOOP_RESYNC_NEEDED, &vha->dpc_flags))
5583                                 return rval;
5584                 }
5585         }
5586         swl_idx = 0;
5587
5588         /* Allocate temporary fcport for any new fcports discovered. */
5589         new_fcport = qla2x00_alloc_fcport(vha, GFP_KERNEL);
5590         if (new_fcport == NULL) {
5591                 ql_log(ql_log_warn, vha, 0x209d,
5592                     "Failed to allocate memory for fcport.\n");
5593                 return (QLA_MEMORY_ALLOC_FAILED);
5594         }
5595         new_fcport->flags |= (FCF_FABRIC_DEVICE | FCF_LOGIN_NEEDED);
5596         /* Set start port ID scan at adapter ID. */
5597         first_dev = 1;
5598         last_dev = 0;
5599
5600         /* Starting free loop ID. */
5601         loop_id = ha->min_external_loopid;
5602         for (; loop_id <= ha->max_loop_id; loop_id++) {
5603                 if (qla2x00_is_reserved_id(vha, loop_id))
5604                         continue;
5605
5606                 if (ha->current_topology == ISP_CFG_FL &&
5607                     (atomic_read(&vha->loop_down_timer) ||
5608                      LOOP_TRANSITION(vha))) {
5609                         atomic_set(&vha->loop_down_timer, 0);
5610                         set_bit(LOOP_RESYNC_NEEDED, &vha->dpc_flags);
5611                         set_bit(LOCAL_LOOP_UPDATE, &vha->dpc_flags);
5612                         break;
5613                 }
5614
5615                 if (swl != NULL) {
5616                         if (last_dev) {
5617                                 wrap.b24 = new_fcport->d_id.b24;
5618                         } else {
5619                                 new_fcport->d_id.b24 = swl[swl_idx].d_id.b24;
5620                                 memcpy(new_fcport->node_name,
5621                                     swl[swl_idx].node_name, WWN_SIZE);
5622                                 memcpy(new_fcport->port_name,
5623                                     swl[swl_idx].port_name, WWN_SIZE);
5624                                 memcpy(new_fcport->fabric_port_name,
5625                                     swl[swl_idx].fabric_port_name, WWN_SIZE);
5626                                 new_fcport->fp_speed = swl[swl_idx].fp_speed;
5627                                 new_fcport->fc4_type = swl[swl_idx].fc4_type;
5628
5629                                 new_fcport->nvme_flag = 0;
5630                                 new_fcport->fc4f_nvme = 0;
5631                                 if (vha->flags.nvme_enabled &&
5632                                     swl[swl_idx].fc4f_nvme) {
5633                                         new_fcport->fc4f_nvme =
5634                                             swl[swl_idx].fc4f_nvme;
5635                                         ql_log(ql_log_info, vha, 0x2131,
5636                                             "FOUND: NVME port %8phC as FC Type 28h\n",
5637                                             new_fcport->port_name);
5638                                 }
5639
5640                                 if (swl[swl_idx].d_id.b.rsvd_1 != 0) {
5641                                         last_dev = 1;
5642                                 }
5643                                 swl_idx++;
5644                         }
5645                 } else {
5646                         /* Send GA_NXT to the switch */
5647                         rval = qla2x00_ga_nxt(vha, new_fcport);
5648                         if (rval != QLA_SUCCESS) {
5649                                 ql_log(ql_log_warn, vha, 0x209e,
5650                                     "SNS scan failed -- assuming "
5651                                     "zero-entry result.\n");
5652                                 rval = QLA_SUCCESS;
5653                                 break;
5654                         }
5655                 }
5656
5657                 /* If wrap on switch device list, exit. */
5658                 if (first_dev) {
5659                         wrap.b24 = new_fcport->d_id.b24;
5660                         first_dev = 0;
5661                 } else if (new_fcport->d_id.b24 == wrap.b24) {
5662                         ql_dbg(ql_dbg_disc, vha, 0x209f,
5663                             "Device wrap (%02x%02x%02x).\n",
5664                             new_fcport->d_id.b.domain,
5665                             new_fcport->d_id.b.area,
5666                             new_fcport->d_id.b.al_pa);
5667                         break;
5668                 }
5669
5670                 /* Bypass if same physical adapter. */
5671                 if (new_fcport->d_id.b24 == base_vha->d_id.b24)
5672                         continue;
5673
5674                 /* Bypass virtual ports of the same host. */
5675                 if (qla2x00_is_a_vp_did(vha, new_fcport->d_id.b24))
5676                         continue;
5677
5678                 /* Bypass if same domain and area of adapter. */
5679                 if (((new_fcport->d_id.b24 & 0xffff00) ==
5680                     (vha->d_id.b24 & 0xffff00)) && ha->current_topology ==
5681                         ISP_CFG_FL)
5682                             continue;
5683
5684                 /* Bypass reserved domain fields. */
5685                 if ((new_fcport->d_id.b.domain & 0xf0) == 0xf0)
5686                         continue;
5687
5688                 /* Bypass ports whose FCP-4 type is not FCP_SCSI */
5689                 if (ql2xgffidenable &&
5690                     (new_fcport->fc4_type != FC4_TYPE_FCP_SCSI &&
5691                     new_fcport->fc4_type != FC4_TYPE_UNKNOWN))
5692                         continue;
5693
5694                 spin_lock_irqsave(&vha->hw->tgt.sess_lock, flags);
5695
5696                 /* Locate matching device in database. */
5697                 found = 0;
5698                 list_for_each_entry(fcport, &vha->vp_fcports, list) {
5699                         if (memcmp(new_fcport->port_name, fcport->port_name,
5700                             WWN_SIZE))
5701                                 continue;
5702
5703                         fcport->scan_state = QLA_FCPORT_FOUND;
5704
5705                         found++;
5706
5707                         /* Update port state. */
5708                         memcpy(fcport->fabric_port_name,
5709                             new_fcport->fabric_port_name, WWN_SIZE);
5710                         fcport->fp_speed = new_fcport->fp_speed;
5711
5712                         /*
5713                          * If address the same and state FCS_ONLINE
5714                          * (or in target mode), nothing changed.
5715                          */
5716                         if (fcport->d_id.b24 == new_fcport->d_id.b24 &&
5717                             (atomic_read(&fcport->state) == FCS_ONLINE ||
5718                              (vha->host->active_mode == MODE_TARGET))) {
5719                                 break;
5720                         }
5721
5722                         /*
5723                          * If device was not a fabric device before.
5724                          */
5725                         if ((fcport->flags & FCF_FABRIC_DEVICE) == 0) {
5726                                 fcport->d_id.b24 = new_fcport->d_id.b24;
5727                                 qla2x00_clear_loop_id(fcport);
5728                                 fcport->flags |= (FCF_FABRIC_DEVICE |
5729                                     FCF_LOGIN_NEEDED);
5730                                 break;
5731                         }
5732
5733                         /*
5734                          * Port ID changed or device was marked to be updated;
5735                          * Log it out if still logged in and mark it for
5736                          * relogin later.
5737                          */
5738                         if (qla_tgt_mode_enabled(base_vha)) {
5739                                 ql_dbg(ql_dbg_tgt_mgt, vha, 0xf080,
5740                                          "port changed FC ID, %8phC"
5741                                          " old %x:%x:%x (loop_id 0x%04x)-> new %x:%x:%x\n",
5742                                          fcport->port_name,
5743                                          fcport->d_id.b.domain,
5744                                          fcport->d_id.b.area,
5745                                          fcport->d_id.b.al_pa,
5746                                          fcport->loop_id,
5747                                          new_fcport->d_id.b.domain,
5748                                          new_fcport->d_id.b.area,
5749                                          new_fcport->d_id.b.al_pa);
5750                                 fcport->d_id.b24 = new_fcport->d_id.b24;
5751                                 break;
5752                         }
5753
5754                         fcport->d_id.b24 = new_fcport->d_id.b24;
5755                         fcport->flags |= FCF_LOGIN_NEEDED;
5756                         break;
5757                 }
5758
5759                 if (fcport->fc4f_nvme) {
5760                         if (fcport->disc_state == DSC_DELETE_PEND) {
5761                                 fcport->disc_state = DSC_GNL;
5762                                 vha->fcport_count--;
5763                                 fcport->login_succ = 0;
5764                         }
5765                 }
5766
5767                 if (found) {
5768                         spin_unlock_irqrestore(&vha->hw->tgt.sess_lock, flags);
5769                         continue;
5770                 }
5771                 /* If device was not in our fcports list, then add it. */
5772                 new_fcport->scan_state = QLA_FCPORT_FOUND;
5773                 list_add_tail(&new_fcport->list, &vha->vp_fcports);
5774
5775                 spin_unlock_irqrestore(&vha->hw->tgt.sess_lock, flags);
5776
5777
5778                 /* Allocate a new replacement fcport. */
5779                 nxt_d_id.b24 = new_fcport->d_id.b24;
5780                 new_fcport = qla2x00_alloc_fcport(vha, GFP_KERNEL);
5781                 if (new_fcport == NULL) {
5782                         ql_log(ql_log_warn, vha, 0xd032,
5783                             "Memory allocation failed for fcport.\n");
5784                         return (QLA_MEMORY_ALLOC_FAILED);
5785                 }
5786                 new_fcport->flags |= (FCF_FABRIC_DEVICE | FCF_LOGIN_NEEDED);
5787                 new_fcport->d_id.b24 = nxt_d_id.b24;
5788         }
5789
5790         qla2x00_free_fcport(new_fcport);
5791
5792         /*
5793          * Logout all previous fabric dev marked lost, except FCP2 devices.
5794          */
5795         list_for_each_entry(fcport, &vha->vp_fcports, list) {
5796                 if (test_bit(LOOP_RESYNC_NEEDED, &vha->dpc_flags))
5797                         break;
5798
5799                 if ((fcport->flags & FCF_FABRIC_DEVICE) == 0 ||
5800                     (fcport->flags & FCF_LOGIN_NEEDED) == 0)
5801                         continue;
5802
5803                 if (fcport->scan_state == QLA_FCPORT_SCAN) {
5804                         if ((qla_dual_mode_enabled(vha) ||
5805                             qla_ini_mode_enabled(vha)) &&
5806                             atomic_read(&fcport->state) == FCS_ONLINE) {
5807                                 qla2x00_mark_device_lost(vha, fcport,
5808                                         ql2xplogiabsentdevice, 0);
5809                                 if (fcport->loop_id != FC_NO_LOOP_ID &&
5810                                     (fcport->flags & FCF_FCP2_DEVICE) == 0 &&
5811                                     fcport->port_type != FCT_INITIATOR &&
5812                                     fcport->port_type != FCT_BROADCAST) {
5813                                         ql_dbg(ql_dbg_disc, vha, 0x20f0,
5814                                             "%s %d %8phC post del sess\n",
5815                                             __func__, __LINE__,
5816                                             fcport->port_name);
5817                                         qlt_schedule_sess_for_deletion(fcport);
5818                                         continue;
5819                                 }
5820                         }
5821                 }
5822
5823                 if (fcport->scan_state == QLA_FCPORT_FOUND)
5824                         qla24xx_fcport_handle_login(vha, fcport);
5825         }
5826         return (rval);
5827 }
5828
5829 /*
5830  * qla2x00_find_new_loop_id
5831  *      Scan through our port list and find a new usable loop ID.
5832  *
5833  * Input:
5834  *      ha:     adapter state pointer.
5835  *      dev:    port structure pointer.
5836  *
5837  * Returns:
5838  *      qla2x00 local function return status code.
5839  *
5840  * Context:
5841  *      Kernel context.
5842  */
5843 int
5844 qla2x00_find_new_loop_id(scsi_qla_host_t *vha, fc_port_t *dev)
5845 {
5846         int     rval;
5847         struct qla_hw_data *ha = vha->hw;
5848         unsigned long flags = 0;
5849
5850         rval = QLA_SUCCESS;
5851
5852         spin_lock_irqsave(&ha->vport_slock, flags);
5853
5854         dev->loop_id = find_first_zero_bit(ha->loop_id_map,
5855             LOOPID_MAP_SIZE);
5856         if (dev->loop_id >= LOOPID_MAP_SIZE ||
5857             qla2x00_is_reserved_id(vha, dev->loop_id)) {
5858                 dev->loop_id = FC_NO_LOOP_ID;
5859                 rval = QLA_FUNCTION_FAILED;
5860         } else
5861                 set_bit(dev->loop_id, ha->loop_id_map);
5862
5863         spin_unlock_irqrestore(&ha->vport_slock, flags);
5864
5865         if (rval == QLA_SUCCESS)
5866                 ql_dbg(ql_dbg_disc, dev->vha, 0x2086,
5867                     "Assigning new loopid=%x, portid=%x.\n",
5868                     dev->loop_id, dev->d_id.b24);
5869         else
5870                 ql_log(ql_log_warn, dev->vha, 0x2087,
5871                     "No loop_id's available, portid=%x.\n",
5872                     dev->d_id.b24);
5873
5874         return (rval);
5875 }
5876
5877
5878 /* FW does not set aside Loop id for MGMT Server/FFFFFAh */
5879 int
5880 qla2x00_reserve_mgmt_server_loop_id(scsi_qla_host_t *vha)
5881 {
5882         int loop_id = FC_NO_LOOP_ID;
5883         int lid = NPH_MGMT_SERVER - vha->vp_idx;
5884         unsigned long flags;
5885         struct qla_hw_data *ha = vha->hw;
5886
5887         if (vha->vp_idx == 0) {
5888                 set_bit(NPH_MGMT_SERVER, ha->loop_id_map);
5889                 return NPH_MGMT_SERVER;
5890         }
5891
5892         /* pick id from high and work down to low */
5893         spin_lock_irqsave(&ha->vport_slock, flags);
5894         for (; lid > 0; lid--) {
5895                 if (!test_bit(lid, vha->hw->loop_id_map)) {
5896                         set_bit(lid, vha->hw->loop_id_map);
5897                         loop_id = lid;
5898                         break;
5899                 }
5900         }
5901         spin_unlock_irqrestore(&ha->vport_slock, flags);
5902
5903         return loop_id;
5904 }
5905
5906 /*
5907  * qla2x00_fabric_login
5908  *      Issue fabric login command.
5909  *
5910  * Input:
5911  *      ha = adapter block pointer.
5912  *      device = pointer to FC device type structure.
5913  *
5914  * Returns:
5915  *      0 - Login successfully
5916  *      1 - Login failed
5917  *      2 - Initiator device
5918  *      3 - Fatal error
5919  */
5920 int
5921 qla2x00_fabric_login(scsi_qla_host_t *vha, fc_port_t *fcport,
5922     uint16_t *next_loopid)
5923 {
5924         int     rval;
5925         int     retry;
5926         uint16_t tmp_loopid;
5927         uint16_t mb[MAILBOX_REGISTER_COUNT];
5928         struct qla_hw_data *ha = vha->hw;
5929
5930         retry = 0;
5931         tmp_loopid = 0;
5932
5933         for (;;) {
5934                 ql_dbg(ql_dbg_disc, vha, 0x2000,
5935                     "Trying Fabric Login w/loop id 0x%04x for port "
5936                     "%02x%02x%02x.\n",
5937                     fcport->loop_id, fcport->d_id.b.domain,
5938                     fcport->d_id.b.area, fcport->d_id.b.al_pa);
5939
5940                 /* Login fcport on switch. */
5941                 rval = ha->isp_ops->fabric_login(vha, fcport->loop_id,
5942                     fcport->d_id.b.domain, fcport->d_id.b.area,
5943                     fcport->d_id.b.al_pa, mb, BIT_0);
5944                 if (rval != QLA_SUCCESS) {
5945                         return rval;
5946                 }
5947                 if (mb[0] == MBS_PORT_ID_USED) {
5948                         /*
5949                          * Device has another loop ID.  The firmware team
5950                          * recommends the driver perform an implicit login with
5951                          * the specified ID again. The ID we just used is save
5952                          * here so we return with an ID that can be tried by
5953                          * the next login.
5954                          */
5955                         retry++;
5956                         tmp_loopid = fcport->loop_id;
5957                         fcport->loop_id = mb[1];
5958
5959                         ql_dbg(ql_dbg_disc, vha, 0x2001,
5960                             "Fabric Login: port in use - next loop "
5961                             "id=0x%04x, port id= %02x%02x%02x.\n",
5962                             fcport->loop_id, fcport->d_id.b.domain,
5963                             fcport->d_id.b.area, fcport->d_id.b.al_pa);
5964
5965                 } else if (mb[0] == MBS_COMMAND_COMPLETE) {
5966                         /*
5967                          * Login succeeded.
5968                          */
5969                         if (retry) {
5970                                 /* A retry occurred before. */
5971                                 *next_loopid = tmp_loopid;
5972                         } else {
5973                                 /*
5974                                  * No retry occurred before. Just increment the
5975                                  * ID value for next login.
5976                                  */
5977                                 *next_loopid = (fcport->loop_id + 1);
5978                         }
5979
5980                         if (mb[1] & BIT_0) {
5981                                 fcport->port_type = FCT_INITIATOR;
5982                         } else {
5983                                 fcport->port_type = FCT_TARGET;
5984                                 if (mb[1] & BIT_1) {
5985                                         fcport->flags |= FCF_FCP2_DEVICE;
5986                                 }
5987                         }
5988
5989                         if (mb[10] & BIT_0)
5990                                 fcport->supported_classes |= FC_COS_CLASS2;
5991                         if (mb[10] & BIT_1)
5992                                 fcport->supported_classes |= FC_COS_CLASS3;
5993
5994                         if (IS_FWI2_CAPABLE(ha)) {
5995                                 if (mb[10] & BIT_7)
5996                                         fcport->flags |=
5997                                             FCF_CONF_COMP_SUPPORTED;
5998                         }
5999
6000                         rval = QLA_SUCCESS;
6001                         break;
6002                 } else if (mb[0] == MBS_LOOP_ID_USED) {
6003                         /*
6004                          * Loop ID already used, try next loop ID.
6005                          */
6006                         fcport->loop_id++;
6007                         rval = qla2x00_find_new_loop_id(vha, fcport);
6008                         if (rval != QLA_SUCCESS) {
6009                                 /* Ran out of loop IDs to use */
6010                                 break;
6011                         }
6012                 } else if (mb[0] == MBS_COMMAND_ERROR) {
6013                         /*
6014                          * Firmware possibly timed out during login. If NO
6015                          * retries are left to do then the device is declared
6016                          * dead.
6017                          */
6018                         *next_loopid = fcport->loop_id;
6019                         ha->isp_ops->fabric_logout(vha, fcport->loop_id,
6020                             fcport->d_id.b.domain, fcport->d_id.b.area,
6021                             fcport->d_id.b.al_pa);
6022                         qla2x00_mark_device_lost(vha, fcport, 1, 0);
6023
6024                         rval = 1;
6025                         break;
6026                 } else {
6027                         /*
6028                          * unrecoverable / not handled error
6029                          */
6030                         ql_dbg(ql_dbg_disc, vha, 0x2002,
6031                             "Failed=%x port_id=%02x%02x%02x loop_id=%x "
6032                             "jiffies=%lx.\n", mb[0], fcport->d_id.b.domain,
6033                             fcport->d_id.b.area, fcport->d_id.b.al_pa,
6034                             fcport->loop_id, jiffies);
6035
6036                         *next_loopid = fcport->loop_id;
6037                         ha->isp_ops->fabric_logout(vha, fcport->loop_id,
6038                             fcport->d_id.b.domain, fcport->d_id.b.area,
6039                             fcport->d_id.b.al_pa);
6040                         qla2x00_clear_loop_id(fcport);
6041                         fcport->login_retry = 0;
6042
6043                         rval = 3;
6044                         break;
6045                 }
6046         }
6047
6048         return (rval);
6049 }
6050
6051 /*
6052  * qla2x00_local_device_login
6053  *      Issue local device login command.
6054  *
6055  * Input:
6056  *      ha = adapter block pointer.
6057  *      loop_id = loop id of device to login to.
6058  *
6059  * Returns (Where's the #define!!!!):
6060  *      0 - Login successfully
6061  *      1 - Login failed
6062  *      3 - Fatal error
6063  */
6064 int
6065 qla2x00_local_device_login(scsi_qla_host_t *vha, fc_port_t *fcport)
6066 {
6067         int             rval;
6068         uint16_t        mb[MAILBOX_REGISTER_COUNT];
6069
6070         memset(mb, 0, sizeof(mb));
6071         rval = qla2x00_login_local_device(vha, fcport, mb, BIT_0);
6072         if (rval == QLA_SUCCESS) {
6073                 /* Interrogate mailbox registers for any errors */
6074                 if (mb[0] == MBS_COMMAND_ERROR)
6075                         rval = 1;
6076                 else if (mb[0] == MBS_COMMAND_PARAMETER_ERROR)
6077                         /* device not in PCB table */
6078                         rval = 3;
6079         }
6080
6081         return (rval);
6082 }
6083
6084 /*
6085  *  qla2x00_loop_resync
6086  *      Resync with fibre channel devices.
6087  *
6088  * Input:
6089  *      ha = adapter block pointer.
6090  *
6091  * Returns:
6092  *      0 = success
6093  */
6094 int
6095 qla2x00_loop_resync(scsi_qla_host_t *vha)
6096 {
6097         int rval = QLA_SUCCESS;
6098         uint32_t wait_time;
6099         struct req_que *req;
6100         struct rsp_que *rsp;
6101
6102         req = vha->req;
6103         rsp = req->rsp;
6104
6105         clear_bit(ISP_ABORT_RETRY, &vha->dpc_flags);
6106         if (vha->flags.online) {
6107                 if (!(rval = qla2x00_fw_ready(vha))) {
6108                         /* Wait at most MAX_TARGET RSCNs for a stable link. */
6109                         wait_time = 256;
6110                         do {
6111                                 if (!IS_QLAFX00(vha->hw)) {
6112                                         /*
6113                                          * Issue a marker after FW becomes
6114                                          * ready.
6115                                          */
6116                                         qla2x00_marker(vha, req, rsp, 0, 0,
6117                                                 MK_SYNC_ALL);
6118                                         vha->marker_needed = 0;
6119                                 }
6120
6121                                 /* Remap devices on Loop. */
6122                                 clear_bit(LOOP_RESYNC_NEEDED, &vha->dpc_flags);
6123
6124                                 if (IS_QLAFX00(vha->hw))
6125                                         qlafx00_configure_devices(vha);
6126                                 else
6127                                         qla2x00_configure_loop(vha);
6128
6129                                 wait_time--;
6130                         } while (!atomic_read(&vha->loop_down_timer) &&
6131                                 !(test_bit(ISP_ABORT_NEEDED, &vha->dpc_flags))
6132                                 && wait_time && (test_bit(LOOP_RESYNC_NEEDED,
6133                                 &vha->dpc_flags)));
6134                 }
6135         }
6136
6137         if (test_bit(ISP_ABORT_NEEDED, &vha->dpc_flags))
6138                 return (QLA_FUNCTION_FAILED);
6139
6140         if (rval)
6141                 ql_dbg(ql_dbg_disc, vha, 0x206c,
6142                     "%s *** FAILED ***.\n", __func__);
6143
6144         return (rval);
6145 }
6146
6147 /*
6148 * qla2x00_perform_loop_resync
6149 * Description: This function will set the appropriate flags and call
6150 *              qla2x00_loop_resync. If successful loop will be resynced
6151 * Arguments : scsi_qla_host_t pointer
6152 * returm    : Success or Failure
6153 */
6154
6155 int qla2x00_perform_loop_resync(scsi_qla_host_t *ha)
6156 {
6157         int32_t rval = 0;
6158
6159         if (!test_and_set_bit(LOOP_RESYNC_ACTIVE, &ha->dpc_flags)) {
6160                 /*Configure the flags so that resync happens properly*/
6161                 atomic_set(&ha->loop_down_timer, 0);
6162                 if (!(ha->device_flags & DFLG_NO_CABLE)) {
6163                         atomic_set(&ha->loop_state, LOOP_UP);
6164                         set_bit(LOCAL_LOOP_UPDATE, &ha->dpc_flags);
6165                         set_bit(REGISTER_FC4_NEEDED, &ha->dpc_flags);
6166                         set_bit(LOOP_RESYNC_NEEDED, &ha->dpc_flags);
6167
6168                         rval = qla2x00_loop_resync(ha);
6169                 } else
6170                         atomic_set(&ha->loop_state, LOOP_DEAD);
6171
6172                 clear_bit(LOOP_RESYNC_ACTIVE, &ha->dpc_flags);
6173         }
6174
6175         return rval;
6176 }
6177
6178 void
6179 qla2x00_update_fcports(scsi_qla_host_t *base_vha)
6180 {
6181         fc_port_t *fcport;
6182         struct scsi_qla_host *vha;
6183         struct qla_hw_data *ha = base_vha->hw;
6184         unsigned long flags;
6185
6186         spin_lock_irqsave(&ha->vport_slock, flags);
6187         /* Go with deferred removal of rport references. */
6188         list_for_each_entry(vha, &base_vha->hw->vp_list, list) {
6189                 atomic_inc(&vha->vref_count);
6190                 list_for_each_entry(fcport, &vha->vp_fcports, list) {
6191                         if (fcport->drport &&
6192                             atomic_read(&fcport->state) != FCS_UNCONFIGURED) {
6193                                 spin_unlock_irqrestore(&ha->vport_slock, flags);
6194                                 qla2x00_rport_del(fcport);
6195
6196                                 spin_lock_irqsave(&ha->vport_slock, flags);
6197                         }
6198                 }
6199                 atomic_dec(&vha->vref_count);
6200                 wake_up(&vha->vref_waitq);
6201         }
6202         spin_unlock_irqrestore(&ha->vport_slock, flags);
6203 }
6204
6205 /* Assumes idc_lock always held on entry */
6206 void
6207 qla83xx_reset_ownership(scsi_qla_host_t *vha)
6208 {
6209         struct qla_hw_data *ha = vha->hw;
6210         uint32_t drv_presence, drv_presence_mask;
6211         uint32_t dev_part_info1, dev_part_info2, class_type;
6212         uint32_t class_type_mask = 0x3;
6213         uint16_t fcoe_other_function = 0xffff, i;
6214
6215         if (IS_QLA8044(ha)) {
6216                 drv_presence = qla8044_rd_direct(vha,
6217                     QLA8044_CRB_DRV_ACTIVE_INDEX);
6218                 dev_part_info1 = qla8044_rd_direct(vha,
6219                     QLA8044_CRB_DEV_PART_INFO_INDEX);
6220                 dev_part_info2 = qla8044_rd_direct(vha,
6221                     QLA8044_CRB_DEV_PART_INFO2);
6222         } else {
6223                 qla83xx_rd_reg(vha, QLA83XX_IDC_DRV_PRESENCE, &drv_presence);
6224                 qla83xx_rd_reg(vha, QLA83XX_DEV_PARTINFO1, &dev_part_info1);
6225                 qla83xx_rd_reg(vha, QLA83XX_DEV_PARTINFO2, &dev_part_info2);
6226         }
6227         for (i = 0; i < 8; i++) {
6228                 class_type = ((dev_part_info1 >> (i * 4)) & class_type_mask);
6229                 if ((class_type == QLA83XX_CLASS_TYPE_FCOE) &&
6230                     (i != ha->portnum)) {
6231                         fcoe_other_function = i;
6232                         break;
6233                 }
6234         }
6235         if (fcoe_other_function == 0xffff) {
6236                 for (i = 0; i < 8; i++) {
6237                         class_type = ((dev_part_info2 >> (i * 4)) &
6238                             class_type_mask);
6239                         if ((class_type == QLA83XX_CLASS_TYPE_FCOE) &&
6240                             ((i + 8) != ha->portnum)) {
6241                                 fcoe_other_function = i + 8;
6242                                 break;
6243                         }
6244                 }
6245         }
6246         /*
6247          * Prepare drv-presence mask based on fcoe functions present.
6248          * However consider only valid physical fcoe function numbers (0-15).
6249          */
6250         drv_presence_mask = ~((1 << (ha->portnum)) |
6251                         ((fcoe_other_function == 0xffff) ?
6252                          0 : (1 << (fcoe_other_function))));
6253
6254         /* We are the reset owner iff:
6255          *    - No other protocol drivers present.
6256          *    - This is the lowest among fcoe functions. */
6257         if (!(drv_presence & drv_presence_mask) &&
6258                         (ha->portnum < fcoe_other_function)) {
6259                 ql_dbg(ql_dbg_p3p, vha, 0xb07f,
6260                     "This host is Reset owner.\n");
6261                 ha->flags.nic_core_reset_owner = 1;
6262         }
6263 }
6264
6265 static int
6266 __qla83xx_set_drv_ack(scsi_qla_host_t *vha)
6267 {
6268         int rval = QLA_SUCCESS;
6269         struct qla_hw_data *ha = vha->hw;
6270         uint32_t drv_ack;
6271
6272         rval = qla83xx_rd_reg(vha, QLA83XX_IDC_DRIVER_ACK, &drv_ack);
6273         if (rval == QLA_SUCCESS) {
6274                 drv_ack |= (1 << ha->portnum);
6275                 rval = qla83xx_wr_reg(vha, QLA83XX_IDC_DRIVER_ACK, drv_ack);
6276         }
6277
6278         return rval;
6279 }
6280
6281 static int
6282 __qla83xx_clear_drv_ack(scsi_qla_host_t *vha)
6283 {
6284         int rval = QLA_SUCCESS;
6285         struct qla_hw_data *ha = vha->hw;
6286         uint32_t drv_ack;
6287
6288         rval = qla83xx_rd_reg(vha, QLA83XX_IDC_DRIVER_ACK, &drv_ack);
6289         if (rval == QLA_SUCCESS) {
6290                 drv_ack &= ~(1 << ha->portnum);
6291                 rval = qla83xx_wr_reg(vha, QLA83XX_IDC_DRIVER_ACK, drv_ack);
6292         }
6293
6294         return rval;
6295 }
6296
6297 static const char *
6298 qla83xx_dev_state_to_string(uint32_t dev_state)
6299 {
6300         switch (dev_state) {
6301         case QLA8XXX_DEV_COLD:
6302                 return "COLD/RE-INIT";
6303         case QLA8XXX_DEV_INITIALIZING:
6304                 return "INITIALIZING";
6305         case QLA8XXX_DEV_READY:
6306                 return "READY";
6307         case QLA8XXX_DEV_NEED_RESET:
6308                 return "NEED RESET";
6309         case QLA8XXX_DEV_NEED_QUIESCENT:
6310                 return "NEED QUIESCENT";
6311         case QLA8XXX_DEV_FAILED:
6312                 return "FAILED";
6313         case QLA8XXX_DEV_QUIESCENT:
6314                 return "QUIESCENT";
6315         default:
6316                 return "Unknown";
6317         }
6318 }
6319
6320 /* Assumes idc-lock always held on entry */
6321 void
6322 qla83xx_idc_audit(scsi_qla_host_t *vha, int audit_type)
6323 {
6324         struct qla_hw_data *ha = vha->hw;
6325         uint32_t idc_audit_reg = 0, duration_secs = 0;
6326
6327         switch (audit_type) {
6328         case IDC_AUDIT_TIMESTAMP:
6329                 ha->idc_audit_ts = (jiffies_to_msecs(jiffies) / 1000);
6330                 idc_audit_reg = (ha->portnum) |
6331                     (IDC_AUDIT_TIMESTAMP << 7) | (ha->idc_audit_ts << 8);
6332                 qla83xx_wr_reg(vha, QLA83XX_IDC_AUDIT, idc_audit_reg);
6333                 break;
6334
6335         case IDC_AUDIT_COMPLETION:
6336                 duration_secs = ((jiffies_to_msecs(jiffies) -
6337                     jiffies_to_msecs(ha->idc_audit_ts)) / 1000);
6338                 idc_audit_reg = (ha->portnum) |
6339                     (IDC_AUDIT_COMPLETION << 7) | (duration_secs << 8);
6340                 qla83xx_wr_reg(vha, QLA83XX_IDC_AUDIT, idc_audit_reg);
6341                 break;
6342
6343         default:
6344                 ql_log(ql_log_warn, vha, 0xb078,
6345                     "Invalid audit type specified.\n");
6346                 break;
6347         }
6348 }
6349
6350 /* Assumes idc_lock always held on entry */
6351 static int
6352 qla83xx_initiating_reset(scsi_qla_host_t *vha)
6353 {
6354         struct qla_hw_data *ha = vha->hw;
6355         uint32_t  idc_control, dev_state;
6356
6357         __qla83xx_get_idc_control(vha, &idc_control);
6358         if ((idc_control & QLA83XX_IDC_RESET_DISABLED)) {
6359                 ql_log(ql_log_info, vha, 0xb080,
6360                     "NIC Core reset has been disabled. idc-control=0x%x\n",
6361                     idc_control);
6362                 return QLA_FUNCTION_FAILED;
6363         }
6364
6365         /* Set NEED-RESET iff in READY state and we are the reset-owner */
6366         qla83xx_rd_reg(vha, QLA83XX_IDC_DEV_STATE, &dev_state);
6367         if (ha->flags.nic_core_reset_owner && dev_state == QLA8XXX_DEV_READY) {
6368                 qla83xx_wr_reg(vha, QLA83XX_IDC_DEV_STATE,
6369                     QLA8XXX_DEV_NEED_RESET);
6370                 ql_log(ql_log_info, vha, 0xb056, "HW State: NEED RESET.\n");
6371                 qla83xx_idc_audit(vha, IDC_AUDIT_TIMESTAMP);
6372         } else {
6373                 const char *state = qla83xx_dev_state_to_string(dev_state);
6374                 ql_log(ql_log_info, vha, 0xb057, "HW State: %s.\n", state);
6375
6376                 /* SV: XXX: Is timeout required here? */
6377                 /* Wait for IDC state change READY -> NEED_RESET */
6378                 while (dev_state == QLA8XXX_DEV_READY) {
6379                         qla83xx_idc_unlock(vha, 0);
6380                         msleep(200);
6381                         qla83xx_idc_lock(vha, 0);
6382                         qla83xx_rd_reg(vha, QLA83XX_IDC_DEV_STATE, &dev_state);
6383                 }
6384         }
6385
6386         /* Send IDC ack by writing to drv-ack register */
6387         __qla83xx_set_drv_ack(vha);
6388
6389         return QLA_SUCCESS;
6390 }
6391
6392 int
6393 __qla83xx_set_idc_control(scsi_qla_host_t *vha, uint32_t idc_control)
6394 {
6395         return qla83xx_wr_reg(vha, QLA83XX_IDC_CONTROL, idc_control);
6396 }
6397
6398 int
6399 __qla83xx_get_idc_control(scsi_qla_host_t *vha, uint32_t *idc_control)
6400 {
6401         return qla83xx_rd_reg(vha, QLA83XX_IDC_CONTROL, idc_control);
6402 }
6403
6404 static int
6405 qla83xx_check_driver_presence(scsi_qla_host_t *vha)
6406 {
6407         uint32_t drv_presence = 0;
6408         struct qla_hw_data *ha = vha->hw;
6409
6410         qla83xx_rd_reg(vha, QLA83XX_IDC_DRV_PRESENCE, &drv_presence);
6411         if (drv_presence & (1 << ha->portnum))
6412                 return QLA_SUCCESS;
6413         else
6414                 return QLA_TEST_FAILED;
6415 }
6416
6417 int
6418 qla83xx_nic_core_reset(scsi_qla_host_t *vha)
6419 {
6420         int rval = QLA_SUCCESS;
6421         struct qla_hw_data *ha = vha->hw;
6422
6423         ql_dbg(ql_dbg_p3p, vha, 0xb058,
6424             "Entered  %s().\n", __func__);
6425
6426         if (vha->device_flags & DFLG_DEV_FAILED) {
6427                 ql_log(ql_log_warn, vha, 0xb059,
6428                     "Device in unrecoverable FAILED state.\n");
6429                 return QLA_FUNCTION_FAILED;
6430         }
6431
6432         qla83xx_idc_lock(vha, 0);
6433
6434         if (qla83xx_check_driver_presence(vha) != QLA_SUCCESS) {
6435                 ql_log(ql_log_warn, vha, 0xb05a,
6436                     "Function=0x%x has been removed from IDC participation.\n",
6437                     ha->portnum);
6438                 rval = QLA_FUNCTION_FAILED;
6439                 goto exit;
6440         }
6441
6442         qla83xx_reset_ownership(vha);
6443
6444         rval = qla83xx_initiating_reset(vha);
6445
6446         /*
6447          * Perform reset if we are the reset-owner,
6448          * else wait till IDC state changes to READY/FAILED.
6449          */
6450         if (rval == QLA_SUCCESS) {
6451                 rval = qla83xx_idc_state_handler(vha);
6452
6453                 if (rval == QLA_SUCCESS)
6454                         ha->flags.nic_core_hung = 0;
6455                 __qla83xx_clear_drv_ack(vha);
6456         }
6457
6458 exit:
6459         qla83xx_idc_unlock(vha, 0);
6460
6461         ql_dbg(ql_dbg_p3p, vha, 0xb05b, "Exiting %s.\n", __func__);
6462
6463         return rval;
6464 }
6465
6466 int
6467 qla2xxx_mctp_dump(scsi_qla_host_t *vha)
6468 {
6469         struct qla_hw_data *ha = vha->hw;
6470         int rval = QLA_FUNCTION_FAILED;
6471
6472         if (!IS_MCTP_CAPABLE(ha)) {
6473                 /* This message can be removed from the final version */
6474                 ql_log(ql_log_info, vha, 0x506d,
6475                     "This board is not MCTP capable\n");
6476                 return rval;
6477         }
6478
6479         if (!ha->mctp_dump) {
6480                 ha->mctp_dump = dma_alloc_coherent(&ha->pdev->dev,
6481                     MCTP_DUMP_SIZE, &ha->mctp_dump_dma, GFP_KERNEL);
6482
6483                 if (!ha->mctp_dump) {
6484                         ql_log(ql_log_warn, vha, 0x506e,
6485                             "Failed to allocate memory for mctp dump\n");
6486                         return rval;
6487                 }
6488         }
6489
6490 #define MCTP_DUMP_STR_ADDR      0x00000000
6491         rval = qla2x00_dump_mctp_data(vha, ha->mctp_dump_dma,
6492             MCTP_DUMP_STR_ADDR, MCTP_DUMP_SIZE/4);
6493         if (rval != QLA_SUCCESS) {
6494                 ql_log(ql_log_warn, vha, 0x506f,
6495                     "Failed to capture mctp dump\n");
6496         } else {
6497                 ql_log(ql_log_info, vha, 0x5070,
6498                     "Mctp dump capture for host (%ld/%p).\n",
6499                     vha->host_no, ha->mctp_dump);
6500                 ha->mctp_dumped = 1;
6501         }
6502
6503         if (!ha->flags.nic_core_reset_hdlr_active && !ha->portnum) {
6504                 ha->flags.nic_core_reset_hdlr_active = 1;
6505                 rval = qla83xx_restart_nic_firmware(vha);
6506                 if (rval)
6507                         /* NIC Core reset failed. */
6508                         ql_log(ql_log_warn, vha, 0x5071,
6509                             "Failed to restart nic firmware\n");
6510                 else
6511                         ql_dbg(ql_dbg_p3p, vha, 0xb084,
6512                             "Restarted NIC firmware successfully.\n");
6513                 ha->flags.nic_core_reset_hdlr_active = 0;
6514         }
6515
6516         return rval;
6517
6518 }
6519
6520 /*
6521 * qla2x00_quiesce_io
6522 * Description: This function will block the new I/Os
6523 *              Its not aborting any I/Os as context
6524 *              is not destroyed during quiescence
6525 * Arguments: scsi_qla_host_t
6526 * return   : void
6527 */
6528 void
6529 qla2x00_quiesce_io(scsi_qla_host_t *vha)
6530 {
6531         struct qla_hw_data *ha = vha->hw;
6532         struct scsi_qla_host *vp;
6533
6534         ql_dbg(ql_dbg_dpc, vha, 0x401d,
6535             "Quiescing I/O - ha=%p.\n", ha);
6536
6537         atomic_set(&ha->loop_down_timer, LOOP_DOWN_TIME);
6538         if (atomic_read(&vha->loop_state) != LOOP_DOWN) {
6539                 atomic_set(&vha->loop_state, LOOP_DOWN);
6540                 qla2x00_mark_all_devices_lost(vha, 0);
6541                 list_for_each_entry(vp, &ha->vp_list, list)
6542                         qla2x00_mark_all_devices_lost(vp, 0);
6543         } else {
6544                 if (!atomic_read(&vha->loop_down_timer))
6545                         atomic_set(&vha->loop_down_timer,
6546                                         LOOP_DOWN_TIME);
6547         }
6548         /* Wait for pending cmds to complete */
6549         qla2x00_eh_wait_for_pending_commands(vha, 0, 0, WAIT_HOST);
6550 }
6551
6552 void
6553 qla2x00_abort_isp_cleanup(scsi_qla_host_t *vha)
6554 {
6555         struct qla_hw_data *ha = vha->hw;
6556         struct scsi_qla_host *vp;
6557         unsigned long flags;
6558         fc_port_t *fcport;
6559         u16 i;
6560
6561         /* For ISP82XX, driver waits for completion of the commands.
6562          * online flag should be set.
6563          */
6564         if (!(IS_P3P_TYPE(ha)))
6565                 vha->flags.online = 0;
6566         ha->flags.chip_reset_done = 0;
6567         clear_bit(ISP_ABORT_NEEDED, &vha->dpc_flags);
6568         vha->qla_stats.total_isp_aborts++;
6569
6570         ql_log(ql_log_info, vha, 0x00af,
6571             "Performing ISP error recovery - ha=%p.\n", ha);
6572
6573         ha->flags.purge_mbox = 1;
6574         /* For ISP82XX, reset_chip is just disabling interrupts.
6575          * Driver waits for the completion of the commands.
6576          * the interrupts need to be enabled.
6577          */
6578         if (!(IS_P3P_TYPE(ha)))
6579                 ha->isp_ops->reset_chip(vha);
6580
6581         ha->link_data_rate = PORT_SPEED_UNKNOWN;
6582         SAVE_TOPO(ha);
6583         ha->flags.rida_fmt2 = 0;
6584         ha->flags.n2n_ae = 0;
6585         ha->flags.lip_ae = 0;
6586         ha->current_topology = 0;
6587         ha->flags.fw_started = 0;
6588         ha->flags.fw_init_done = 0;
6589         ha->chip_reset++;
6590         ha->base_qpair->chip_reset = ha->chip_reset;
6591         for (i = 0; i < ha->max_qpairs; i++) {
6592                 if (ha->queue_pair_map[i])
6593                         ha->queue_pair_map[i]->chip_reset =
6594                                 ha->base_qpair->chip_reset;
6595         }
6596
6597         /* purge MBox commands */
6598         if (atomic_read(&ha->num_pend_mbx_stage3)) {
6599                 clear_bit(MBX_INTR_WAIT, &ha->mbx_cmd_flags);
6600                 complete(&ha->mbx_intr_comp);
6601         }
6602
6603         i = 0;
6604         while (atomic_read(&ha->num_pend_mbx_stage3) ||
6605             atomic_read(&ha->num_pend_mbx_stage2) ||
6606             atomic_read(&ha->num_pend_mbx_stage1)) {
6607                 msleep(20);
6608                 i++;
6609                 if (i > 50)
6610                         break;
6611         }
6612         ha->flags.purge_mbox = 0;
6613
6614         atomic_set(&vha->loop_down_timer, LOOP_DOWN_TIME);
6615         if (atomic_read(&vha->loop_state) != LOOP_DOWN) {
6616                 atomic_set(&vha->loop_state, LOOP_DOWN);
6617                 qla2x00_mark_all_devices_lost(vha, 0);
6618
6619                 spin_lock_irqsave(&ha->vport_slock, flags);
6620                 list_for_each_entry(vp, &ha->vp_list, list) {
6621                         atomic_inc(&vp->vref_count);
6622                         spin_unlock_irqrestore(&ha->vport_slock, flags);
6623
6624                         qla2x00_mark_all_devices_lost(vp, 0);
6625
6626                         spin_lock_irqsave(&ha->vport_slock, flags);
6627                         atomic_dec(&vp->vref_count);
6628                 }
6629                 spin_unlock_irqrestore(&ha->vport_slock, flags);
6630         } else {
6631                 if (!atomic_read(&vha->loop_down_timer))
6632                         atomic_set(&vha->loop_down_timer,
6633                             LOOP_DOWN_TIME);
6634         }
6635
6636         /* Clear all async request states across all VPs. */
6637         list_for_each_entry(fcport, &vha->vp_fcports, list)
6638                 fcport->flags &= ~(FCF_LOGIN_NEEDED | FCF_ASYNC_SENT);
6639         spin_lock_irqsave(&ha->vport_slock, flags);
6640         list_for_each_entry(vp, &ha->vp_list, list) {
6641                 atomic_inc(&vp->vref_count);
6642                 spin_unlock_irqrestore(&ha->vport_slock, flags);
6643
6644                 list_for_each_entry(fcport, &vp->vp_fcports, list)
6645                         fcport->flags &= ~(FCF_LOGIN_NEEDED | FCF_ASYNC_SENT);
6646
6647                 spin_lock_irqsave(&ha->vport_slock, flags);
6648                 atomic_dec(&vp->vref_count);
6649         }
6650         spin_unlock_irqrestore(&ha->vport_slock, flags);
6651
6652         if (!ha->flags.eeh_busy) {
6653                 /* Make sure for ISP 82XX IO DMA is complete */
6654                 if (IS_P3P_TYPE(ha)) {
6655                         qla82xx_chip_reset_cleanup(vha);
6656                         ql_log(ql_log_info, vha, 0x00b4,
6657                             "Done chip reset cleanup.\n");
6658
6659                         /* Done waiting for pending commands.
6660                          * Reset the online flag.
6661                          */
6662                         vha->flags.online = 0;
6663                 }
6664
6665                 /* Requeue all commands in outstanding command list. */
6666                 qla2x00_abort_all_cmds(vha, DID_RESET << 16);
6667         }
6668         /* memory barrier */
6669         wmb();
6670 }
6671
6672 /*
6673 *  qla2x00_abort_isp
6674 *      Resets ISP and aborts all outstanding commands.
6675 *
6676 * Input:
6677 *      ha           = adapter block pointer.
6678 *
6679 * Returns:
6680 *      0 = success
6681 */
6682 int
6683 qla2x00_abort_isp(scsi_qla_host_t *vha)
6684 {
6685         int rval;
6686         uint8_t        status = 0;
6687         struct qla_hw_data *ha = vha->hw;
6688         struct scsi_qla_host *vp;
6689         struct req_que *req = ha->req_q_map[0];
6690         unsigned long flags;
6691
6692         if (vha->flags.online) {
6693                 qla2x00_abort_isp_cleanup(vha);
6694
6695                 if (IS_QLA8031(ha)) {
6696                         ql_dbg(ql_dbg_p3p, vha, 0xb05c,
6697                             "Clearing fcoe driver presence.\n");
6698                         if (qla83xx_clear_drv_presence(vha) != QLA_SUCCESS)
6699                                 ql_dbg(ql_dbg_p3p, vha, 0xb073,
6700                                     "Error while clearing DRV-Presence.\n");
6701                 }
6702
6703                 if (unlikely(pci_channel_offline(ha->pdev) &&
6704                     ha->flags.pci_channel_io_perm_failure)) {
6705                         clear_bit(ISP_ABORT_RETRY, &vha->dpc_flags);
6706                         status = 0;
6707                         return status;
6708                 }
6709
6710                 switch (vha->qlini_mode) {
6711                 case QLA2XXX_INI_MODE_DISABLED:
6712                         if (!qla_tgt_mode_enabled(vha))
6713                                 return 0;
6714                         break;
6715                 case QLA2XXX_INI_MODE_DUAL:
6716                         if (!qla_dual_mode_enabled(vha))
6717                                 return 0;
6718                         break;
6719                 case QLA2XXX_INI_MODE_ENABLED:
6720                 default:
6721                         break;
6722                 }
6723
6724                 ha->isp_ops->get_flash_version(vha, req->ring);
6725
6726                 ha->isp_ops->nvram_config(vha);
6727
6728                 if (!qla2x00_restart_isp(vha)) {
6729                         clear_bit(RESET_MARKER_NEEDED, &vha->dpc_flags);
6730
6731                         if (!atomic_read(&vha->loop_down_timer)) {
6732                                 /*
6733                                  * Issue marker command only when we are going
6734                                  * to start the I/O .
6735                                  */
6736                                 vha->marker_needed = 1;
6737                         }
6738
6739                         vha->flags.online = 1;
6740
6741                         ha->isp_ops->enable_intrs(ha);
6742
6743                         ha->isp_abort_cnt = 0;
6744                         clear_bit(ISP_ABORT_RETRY, &vha->dpc_flags);
6745
6746                         if (IS_QLA81XX(ha) || IS_QLA8031(ha))
6747                                 qla2x00_get_fw_version(vha);
6748                         if (ha->fce) {
6749                                 ha->flags.fce_enabled = 1;
6750                                 memset(ha->fce, 0,
6751                                     fce_calc_size(ha->fce_bufs));
6752                                 rval = qla2x00_enable_fce_trace(vha,
6753                                     ha->fce_dma, ha->fce_bufs, ha->fce_mb,
6754                                     &ha->fce_bufs);
6755                                 if (rval) {
6756                                         ql_log(ql_log_warn, vha, 0x8033,
6757                                             "Unable to reinitialize FCE "
6758                                             "(%d).\n", rval);
6759                                         ha->flags.fce_enabled = 0;
6760                                 }
6761                         }
6762
6763                         if (ha->eft) {
6764                                 memset(ha->eft, 0, EFT_SIZE);
6765                                 rval = qla2x00_enable_eft_trace(vha,
6766                                     ha->eft_dma, EFT_NUM_BUFFERS);
6767                                 if (rval) {
6768                                         ql_log(ql_log_warn, vha, 0x8034,
6769                                             "Unable to reinitialize EFT "
6770                                             "(%d).\n", rval);
6771                                 }
6772                         }
6773                 } else {        /* failed the ISP abort */
6774                         vha->flags.online = 1;
6775                         if (test_bit(ISP_ABORT_RETRY, &vha->dpc_flags)) {
6776                                 if (ha->isp_abort_cnt == 0) {
6777                                         ql_log(ql_log_fatal, vha, 0x8035,
6778                                             "ISP error recover failed - "
6779                                             "board disabled.\n");
6780                                         /*
6781                                          * The next call disables the board
6782                                          * completely.
6783                                          */
6784                                         qla2x00_abort_isp_cleanup(vha);
6785                                         vha->flags.online = 0;
6786                                         clear_bit(ISP_ABORT_RETRY,
6787                                             &vha->dpc_flags);
6788                                         status = 0;
6789                                 } else { /* schedule another ISP abort */
6790                                         ha->isp_abort_cnt--;
6791                                         ql_dbg(ql_dbg_taskm, vha, 0x8020,
6792                                             "ISP abort - retry remaining %d.\n",
6793                                             ha->isp_abort_cnt);
6794                                         status = 1;
6795                                 }
6796                         } else {
6797                                 ha->isp_abort_cnt = MAX_RETRIES_OF_ISP_ABORT;
6798                                 ql_dbg(ql_dbg_taskm, vha, 0x8021,
6799                                     "ISP error recovery - retrying (%d) "
6800                                     "more times.\n", ha->isp_abort_cnt);
6801                                 set_bit(ISP_ABORT_RETRY, &vha->dpc_flags);
6802                                 status = 1;
6803                         }
6804                 }
6805
6806         }
6807
6808         if (!status) {
6809                 ql_dbg(ql_dbg_taskm, vha, 0x8022, "%s succeeded.\n", __func__);
6810                 qla2x00_configure_hba(vha);
6811                 spin_lock_irqsave(&ha->vport_slock, flags);
6812                 list_for_each_entry(vp, &ha->vp_list, list) {
6813                         if (vp->vp_idx) {
6814                                 atomic_inc(&vp->vref_count);
6815                                 spin_unlock_irqrestore(&ha->vport_slock, flags);
6816
6817                                 qla2x00_vp_abort_isp(vp);
6818
6819                                 spin_lock_irqsave(&ha->vport_slock, flags);
6820                                 atomic_dec(&vp->vref_count);
6821                         }
6822                 }
6823                 spin_unlock_irqrestore(&ha->vport_slock, flags);
6824
6825                 if (IS_QLA8031(ha)) {
6826                         ql_dbg(ql_dbg_p3p, vha, 0xb05d,
6827                             "Setting back fcoe driver presence.\n");
6828                         if (qla83xx_set_drv_presence(vha) != QLA_SUCCESS)
6829                                 ql_dbg(ql_dbg_p3p, vha, 0xb074,
6830                                     "Error while setting DRV-Presence.\n");
6831                 }
6832         } else {
6833                 ql_log(ql_log_warn, vha, 0x8023, "%s **** FAILED ****.\n",
6834                        __func__);
6835         }
6836
6837         return(status);
6838 }
6839
6840 /*
6841 *  qla2x00_restart_isp
6842 *      restarts the ISP after a reset
6843 *
6844 * Input:
6845 *      ha = adapter block pointer.
6846 *
6847 * Returns:
6848 *      0 = success
6849 */
6850 static int
6851 qla2x00_restart_isp(scsi_qla_host_t *vha)
6852 {
6853         int status = 0;
6854         struct qla_hw_data *ha = vha->hw;
6855         struct req_que *req = ha->req_q_map[0];
6856         struct rsp_que *rsp = ha->rsp_q_map[0];
6857
6858         /* If firmware needs to be loaded */
6859         if (qla2x00_isp_firmware(vha)) {
6860                 vha->flags.online = 0;
6861                 status = ha->isp_ops->chip_diag(vha);
6862                 if (!status)
6863                         status = qla2x00_setup_chip(vha);
6864         }
6865
6866         if (!status && !(status = qla2x00_init_rings(vha))) {
6867                 clear_bit(RESET_MARKER_NEEDED, &vha->dpc_flags);
6868                 ha->flags.chip_reset_done = 1;
6869
6870                 /* Initialize the queues in use */
6871                 qla25xx_init_queues(ha);
6872
6873                 status = qla2x00_fw_ready(vha);
6874                 if (!status) {
6875                         /* Issue a marker after FW becomes ready. */
6876                         qla2x00_marker(vha, req, rsp, 0, 0, MK_SYNC_ALL);
6877                         set_bit(LOOP_RESYNC_NEEDED, &vha->dpc_flags);
6878                 }
6879
6880                 /* if no cable then assume it's good */
6881                 if ((vha->device_flags & DFLG_NO_CABLE))
6882                         status = 0;
6883         }
6884         return (status);
6885 }
6886
6887 static int
6888 qla25xx_init_queues(struct qla_hw_data *ha)
6889 {
6890         struct rsp_que *rsp = NULL;
6891         struct req_que *req = NULL;
6892         struct scsi_qla_host *base_vha = pci_get_drvdata(ha->pdev);
6893         int ret = -1;
6894         int i;
6895
6896         for (i = 1; i < ha->max_rsp_queues; i++) {
6897                 rsp = ha->rsp_q_map[i];
6898                 if (rsp && test_bit(i, ha->rsp_qid_map)) {
6899                         rsp->options &= ~BIT_0;
6900                         ret = qla25xx_init_rsp_que(base_vha, rsp);
6901                         if (ret != QLA_SUCCESS)
6902                                 ql_dbg(ql_dbg_init, base_vha, 0x00ff,
6903                                     "%s Rsp que: %d init failed.\n",
6904                                     __func__, rsp->id);
6905                         else
6906                                 ql_dbg(ql_dbg_init, base_vha, 0x0100,
6907                                     "%s Rsp que: %d inited.\n",
6908                                     __func__, rsp->id);
6909                 }
6910         }
6911         for (i = 1; i < ha->max_req_queues; i++) {
6912                 req = ha->req_q_map[i];
6913                 if (req && test_bit(i, ha->req_qid_map)) {
6914                         /* Clear outstanding commands array. */
6915                         req->options &= ~BIT_0;
6916                         ret = qla25xx_init_req_que(base_vha, req);
6917                         if (ret != QLA_SUCCESS)
6918                                 ql_dbg(ql_dbg_init, base_vha, 0x0101,
6919                                     "%s Req que: %d init failed.\n",
6920                                     __func__, req->id);
6921                         else
6922                                 ql_dbg(ql_dbg_init, base_vha, 0x0102,
6923                                     "%s Req que: %d inited.\n",
6924                                     __func__, req->id);
6925                 }
6926         }
6927         return ret;
6928 }
6929
6930 /*
6931 * qla2x00_reset_adapter
6932 *      Reset adapter.
6933 *
6934 * Input:
6935 *      ha = adapter block pointer.
6936 */
6937 void
6938 qla2x00_reset_adapter(scsi_qla_host_t *vha)
6939 {
6940         unsigned long flags = 0;
6941         struct qla_hw_data *ha = vha->hw;
6942         struct device_reg_2xxx __iomem *reg = &ha->iobase->isp;
6943
6944         vha->flags.online = 0;
6945         ha->isp_ops->disable_intrs(ha);
6946
6947         spin_lock_irqsave(&ha->hardware_lock, flags);
6948         WRT_REG_WORD(&reg->hccr, HCCR_RESET_RISC);
6949         RD_REG_WORD(&reg->hccr);                        /* PCI Posting. */
6950         WRT_REG_WORD(&reg->hccr, HCCR_RELEASE_RISC);
6951         RD_REG_WORD(&reg->hccr);                        /* PCI Posting. */
6952         spin_unlock_irqrestore(&ha->hardware_lock, flags);
6953 }
6954
6955 void
6956 qla24xx_reset_adapter(scsi_qla_host_t *vha)
6957 {
6958         unsigned long flags = 0;
6959         struct qla_hw_data *ha = vha->hw;
6960         struct device_reg_24xx __iomem *reg = &ha->iobase->isp24;
6961
6962         if (IS_P3P_TYPE(ha))
6963                 return;
6964
6965         vha->flags.online = 0;
6966         ha->isp_ops->disable_intrs(ha);
6967
6968         spin_lock_irqsave(&ha->hardware_lock, flags);
6969         WRT_REG_DWORD(&reg->hccr, HCCRX_SET_RISC_RESET);
6970         RD_REG_DWORD(&reg->hccr);
6971         WRT_REG_DWORD(&reg->hccr, HCCRX_REL_RISC_PAUSE);
6972         RD_REG_DWORD(&reg->hccr);
6973         spin_unlock_irqrestore(&ha->hardware_lock, flags);
6974
6975         if (IS_NOPOLLING_TYPE(ha))
6976                 ha->isp_ops->enable_intrs(ha);
6977 }
6978
6979 /* On sparc systems, obtain port and node WWN from firmware
6980  * properties.
6981  */
6982 static void qla24xx_nvram_wwn_from_ofw(scsi_qla_host_t *vha,
6983         struct nvram_24xx *nv)
6984 {
6985 #ifdef CONFIG_SPARC
6986         struct qla_hw_data *ha = vha->hw;
6987         struct pci_dev *pdev = ha->pdev;
6988         struct device_node *dp = pci_device_to_OF_node(pdev);
6989         const u8 *val;
6990         int len;
6991
6992         val = of_get_property(dp, "port-wwn", &len);
6993         if (val && len >= WWN_SIZE)
6994                 memcpy(nv->port_name, val, WWN_SIZE);
6995
6996         val = of_get_property(dp, "node-wwn", &len);
6997         if (val && len >= WWN_SIZE)
6998                 memcpy(nv->node_name, val, WWN_SIZE);
6999 #endif
7000 }
7001
7002 int
7003 qla24xx_nvram_config(scsi_qla_host_t *vha)
7004 {
7005         int   rval;
7006         struct init_cb_24xx *icb;
7007         struct nvram_24xx *nv;
7008         uint32_t *dptr;
7009         uint8_t  *dptr1, *dptr2;
7010         uint32_t chksum;
7011         uint16_t cnt;
7012         struct qla_hw_data *ha = vha->hw;
7013
7014         rval = QLA_SUCCESS;
7015         icb = (struct init_cb_24xx *)ha->init_cb;
7016         nv = ha->nvram;
7017
7018         /* Determine NVRAM starting address. */
7019         if (ha->port_no == 0) {
7020                 ha->nvram_base = FA_NVRAM_FUNC0_ADDR;
7021                 ha->vpd_base = FA_NVRAM_VPD0_ADDR;
7022         } else {
7023                 ha->nvram_base = FA_NVRAM_FUNC1_ADDR;
7024                 ha->vpd_base = FA_NVRAM_VPD1_ADDR;
7025         }
7026
7027         ha->nvram_size = sizeof(struct nvram_24xx);
7028         ha->vpd_size = FA_NVRAM_VPD_SIZE;
7029
7030         /* Get VPD data into cache */
7031         ha->vpd = ha->nvram + VPD_OFFSET;
7032         ha->isp_ops->read_nvram(vha, (uint8_t *)ha->vpd,
7033             ha->nvram_base - FA_NVRAM_FUNC0_ADDR, FA_NVRAM_VPD_SIZE * 4);
7034
7035         /* Get NVRAM data into cache and calculate checksum. */
7036         dptr = (uint32_t *)nv;
7037         ha->isp_ops->read_nvram(vha, (uint8_t *)dptr, ha->nvram_base,
7038             ha->nvram_size);
7039         for (cnt = 0, chksum = 0; cnt < ha->nvram_size >> 2; cnt++, dptr++)
7040                 chksum += le32_to_cpu(*dptr);
7041
7042         ql_dbg(ql_dbg_init + ql_dbg_buffer, vha, 0x006a,
7043             "Contents of NVRAM\n");
7044         ql_dump_buffer(ql_dbg_init + ql_dbg_buffer, vha, 0x010d,
7045             (uint8_t *)nv, ha->nvram_size);
7046
7047         /* Bad NVRAM data, set defaults parameters. */
7048         if (chksum || nv->id[0] != 'I' || nv->id[1] != 'S' || nv->id[2] != 'P'
7049             || nv->id[3] != ' ' ||
7050             nv->nvram_version < cpu_to_le16(ICB_VERSION)) {
7051                 /* Reset NVRAM data. */
7052                 ql_log(ql_log_warn, vha, 0x006b,
7053                     "Inconsistent NVRAM detected: checksum=0x%x id=%c "
7054                     "version=0x%x.\n", chksum, nv->id[0], nv->nvram_version);
7055                 ql_log(ql_log_warn, vha, 0x006c,
7056                     "Falling back to functioning (yet invalid -- WWPN) "
7057                     "defaults.\n");
7058
7059                 /*
7060                  * Set default initialization control block.
7061                  */
7062                 memset(nv, 0, ha->nvram_size);
7063                 nv->nvram_version = cpu_to_le16(ICB_VERSION);
7064                 nv->version = cpu_to_le16(ICB_VERSION);
7065                 nv->frame_payload_size = 2048;
7066                 nv->execution_throttle = cpu_to_le16(0xFFFF);
7067                 nv->exchange_count = cpu_to_le16(0);
7068                 nv->hard_address = cpu_to_le16(124);
7069                 nv->port_name[0] = 0x21;
7070                 nv->port_name[1] = 0x00 + ha->port_no + 1;
7071                 nv->port_name[2] = 0x00;
7072                 nv->port_name[3] = 0xe0;
7073                 nv->port_name[4] = 0x8b;
7074                 nv->port_name[5] = 0x1c;
7075                 nv->port_name[6] = 0x55;
7076                 nv->port_name[7] = 0x86;
7077                 nv->node_name[0] = 0x20;
7078                 nv->node_name[1] = 0x00;
7079                 nv->node_name[2] = 0x00;
7080                 nv->node_name[3] = 0xe0;
7081                 nv->node_name[4] = 0x8b;
7082                 nv->node_name[5] = 0x1c;
7083                 nv->node_name[6] = 0x55;
7084                 nv->node_name[7] = 0x86;
7085                 qla24xx_nvram_wwn_from_ofw(vha, nv);
7086                 nv->login_retry_count = cpu_to_le16(8);
7087                 nv->interrupt_delay_timer = cpu_to_le16(0);
7088                 nv->login_timeout = cpu_to_le16(0);
7089                 nv->firmware_options_1 =
7090                     cpu_to_le32(BIT_14|BIT_13|BIT_2|BIT_1);
7091                 nv->firmware_options_2 = cpu_to_le32(2 << 4);
7092                 nv->firmware_options_2 |= cpu_to_le32(BIT_12);
7093                 nv->firmware_options_3 = cpu_to_le32(2 << 13);
7094                 nv->host_p = cpu_to_le32(BIT_11|BIT_10);
7095                 nv->efi_parameters = cpu_to_le32(0);
7096                 nv->reset_delay = 5;
7097                 nv->max_luns_per_target = cpu_to_le16(128);
7098                 nv->port_down_retry_count = cpu_to_le16(30);
7099                 nv->link_down_timeout = cpu_to_le16(30);
7100
7101                 rval = 1;
7102         }
7103
7104         if (qla_tgt_mode_enabled(vha)) {
7105                 /* Don't enable full login after initial LIP */
7106                 nv->firmware_options_1 &= cpu_to_le32(~BIT_13);
7107                 /* Don't enable LIP full login for initiator */
7108                 nv->host_p &= cpu_to_le32(~BIT_10);
7109         }
7110
7111         qlt_24xx_config_nvram_stage1(vha, nv);
7112
7113         /* Reset Initialization control block */
7114         memset(icb, 0, ha->init_cb_size);
7115
7116         /* Copy 1st segment. */
7117         dptr1 = (uint8_t *)icb;
7118         dptr2 = (uint8_t *)&nv->version;
7119         cnt = (uint8_t *)&icb->response_q_inpointer - (uint8_t *)&icb->version;
7120         while (cnt--)
7121                 *dptr1++ = *dptr2++;
7122
7123         icb->login_retry_count = nv->login_retry_count;
7124         icb->link_down_on_nos = nv->link_down_on_nos;
7125
7126         /* Copy 2nd segment. */
7127         dptr1 = (uint8_t *)&icb->interrupt_delay_timer;
7128         dptr2 = (uint8_t *)&nv->interrupt_delay_timer;
7129         cnt = (uint8_t *)&icb->reserved_3 -
7130             (uint8_t *)&icb->interrupt_delay_timer;
7131         while (cnt--)
7132                 *dptr1++ = *dptr2++;
7133         ha->frame_payload_size = le16_to_cpu(icb->frame_payload_size);
7134         /*
7135          * Setup driver NVRAM options.
7136          */
7137         qla2x00_set_model_info(vha, nv->model_name, sizeof(nv->model_name),
7138             "QLA2462");
7139
7140         qlt_24xx_config_nvram_stage2(vha, icb);
7141
7142         if (nv->host_p & cpu_to_le32(BIT_15)) {
7143                 /* Use alternate WWN? */
7144                 memcpy(icb->node_name, nv->alternate_node_name, WWN_SIZE);
7145                 memcpy(icb->port_name, nv->alternate_port_name, WWN_SIZE);
7146         }
7147
7148         /* Prepare nodename */
7149         if ((icb->firmware_options_1 & cpu_to_le32(BIT_14)) == 0) {
7150                 /*
7151                  * Firmware will apply the following mask if the nodename was
7152                  * not provided.
7153                  */
7154                 memcpy(icb->node_name, icb->port_name, WWN_SIZE);
7155                 icb->node_name[0] &= 0xF0;
7156         }
7157
7158         /* Set host adapter parameters. */
7159         ha->flags.disable_risc_code_load = 0;
7160         ha->flags.enable_lip_reset = 0;
7161         ha->flags.enable_lip_full_login =
7162             le32_to_cpu(nv->host_p) & BIT_10 ? 1: 0;
7163         ha->flags.enable_target_reset =
7164             le32_to_cpu(nv->host_p) & BIT_11 ? 1: 0;
7165         ha->flags.enable_led_scheme = 0;
7166         ha->flags.disable_serdes = le32_to_cpu(nv->host_p) & BIT_5 ? 1: 0;
7167
7168         ha->operating_mode = (le32_to_cpu(icb->firmware_options_2) &
7169             (BIT_6 | BIT_5 | BIT_4)) >> 4;
7170
7171         memcpy(ha->fw_seriallink_options24, nv->seriallink_options,
7172             sizeof(ha->fw_seriallink_options24));
7173
7174         /* save HBA serial number */
7175         ha->serial0 = icb->port_name[5];
7176         ha->serial1 = icb->port_name[6];
7177         ha->serial2 = icb->port_name[7];
7178         memcpy(vha->node_name, icb->node_name, WWN_SIZE);
7179         memcpy(vha->port_name, icb->port_name, WWN_SIZE);
7180
7181         icb->execution_throttle = cpu_to_le16(0xFFFF);
7182
7183         ha->retry_count = le16_to_cpu(nv->login_retry_count);
7184
7185         /* Set minimum login_timeout to 4 seconds. */
7186         if (le16_to_cpu(nv->login_timeout) < ql2xlogintimeout)
7187                 nv->login_timeout = cpu_to_le16(ql2xlogintimeout);
7188         if (le16_to_cpu(nv->login_timeout) < 4)
7189                 nv->login_timeout = cpu_to_le16(4);
7190         ha->login_timeout = le16_to_cpu(nv->login_timeout);
7191
7192         /* Set minimum RATOV to 100 tenths of a second. */
7193         ha->r_a_tov = 100;
7194
7195         ha->loop_reset_delay = nv->reset_delay;
7196
7197         /* Link Down Timeout = 0:
7198          *
7199          *      When Port Down timer expires we will start returning
7200          *      I/O's to OS with "DID_NO_CONNECT".
7201          *
7202          * Link Down Timeout != 0:
7203          *
7204          *       The driver waits for the link to come up after link down
7205          *       before returning I/Os to OS with "DID_NO_CONNECT".
7206          */
7207         if (le16_to_cpu(nv->link_down_timeout) == 0) {
7208                 ha->loop_down_abort_time =
7209                     (LOOP_DOWN_TIME - LOOP_DOWN_TIMEOUT);
7210         } else {
7211                 ha->link_down_timeout = le16_to_cpu(nv->link_down_timeout);
7212                 ha->loop_down_abort_time =
7213                     (LOOP_DOWN_TIME - ha->link_down_timeout);
7214         }
7215
7216         /* Need enough time to try and get the port back. */
7217         ha->port_down_retry_count = le16_to_cpu(nv->port_down_retry_count);
7218         if (qlport_down_retry)
7219                 ha->port_down_retry_count = qlport_down_retry;
7220
7221         /* Set login_retry_count */
7222         ha->login_retry_count  = le16_to_cpu(nv->login_retry_count);
7223         if (ha->port_down_retry_count ==
7224             le16_to_cpu(nv->port_down_retry_count) &&
7225             ha->port_down_retry_count > 3)
7226                 ha->login_retry_count = ha->port_down_retry_count;
7227         else if (ha->port_down_retry_count > (int)ha->login_retry_count)
7228                 ha->login_retry_count = ha->port_down_retry_count;
7229         if (ql2xloginretrycount)
7230                 ha->login_retry_count = ql2xloginretrycount;
7231
7232         /* N2N: driver will initiate Login instead of FW */
7233         icb->firmware_options_3 |= BIT_8;
7234
7235         /* Enable ZIO. */
7236         if (!vha->flags.init_done) {
7237                 ha->zio_mode = le32_to_cpu(icb->firmware_options_2) &
7238                     (BIT_3 | BIT_2 | BIT_1 | BIT_0);
7239                 ha->zio_timer = le16_to_cpu(icb->interrupt_delay_timer) ?
7240                     le16_to_cpu(icb->interrupt_delay_timer): 2;
7241         }
7242         icb->firmware_options_2 &= cpu_to_le32(
7243             ~(BIT_3 | BIT_2 | BIT_1 | BIT_0));
7244         if (ha->zio_mode != QLA_ZIO_DISABLED) {
7245                 ha->zio_mode = QLA_ZIO_MODE_6;
7246
7247                 ql_log(ql_log_info, vha, 0x006f,
7248                     "ZIO mode %d enabled; timer delay (%d us).\n",
7249                     ha->zio_mode, ha->zio_timer * 100);
7250
7251                 icb->firmware_options_2 |= cpu_to_le32(
7252                     (uint32_t)ha->zio_mode);
7253                 icb->interrupt_delay_timer = cpu_to_le16(ha->zio_timer);
7254         }
7255
7256         if (rval) {
7257                 ql_log(ql_log_warn, vha, 0x0070,
7258                     "NVRAM configuration failed.\n");
7259         }
7260         return (rval);
7261 }
7262
7263 uint8_t qla27xx_find_valid_image(struct scsi_qla_host *vha)
7264 {
7265         struct qla27xx_image_status pri_image_status, sec_image_status;
7266         uint8_t valid_pri_image, valid_sec_image;
7267         uint32_t *wptr;
7268         uint32_t cnt, chksum, size;
7269         struct qla_hw_data *ha = vha->hw;
7270
7271         valid_pri_image = valid_sec_image = 1;
7272         ha->active_image = 0;
7273         size = sizeof(struct qla27xx_image_status) / sizeof(uint32_t);
7274
7275         if (!ha->flt_region_img_status_pri) {
7276                 valid_pri_image = 0;
7277                 goto check_sec_image;
7278         }
7279
7280         qla24xx_read_flash_data(vha, (uint32_t *)(&pri_image_status),
7281             ha->flt_region_img_status_pri, size);
7282
7283         if (pri_image_status.signature != QLA27XX_IMG_STATUS_SIGN) {
7284                 ql_dbg(ql_dbg_init, vha, 0x018b,
7285                     "Primary image signature (0x%x) not valid\n",
7286                     pri_image_status.signature);
7287                 valid_pri_image = 0;
7288                 goto check_sec_image;
7289         }
7290
7291         wptr = (uint32_t *)(&pri_image_status);
7292         cnt = size;
7293
7294         for (chksum = 0; cnt--; wptr++)
7295                 chksum += le32_to_cpu(*wptr);
7296
7297         if (chksum) {
7298                 ql_dbg(ql_dbg_init, vha, 0x018c,
7299                     "Checksum validation failed for primary image (0x%x)\n",
7300                     chksum);
7301                 valid_pri_image = 0;
7302         }
7303
7304 check_sec_image:
7305         if (!ha->flt_region_img_status_sec) {
7306                 valid_sec_image = 0;
7307                 goto check_valid_image;
7308         }
7309
7310         qla24xx_read_flash_data(vha, (uint32_t *)(&sec_image_status),
7311             ha->flt_region_img_status_sec, size);
7312
7313         if (sec_image_status.signature != QLA27XX_IMG_STATUS_SIGN) {
7314                 ql_dbg(ql_dbg_init, vha, 0x018d,
7315                     "Secondary image signature(0x%x) not valid\n",
7316                     sec_image_status.signature);
7317                 valid_sec_image = 0;
7318                 goto check_valid_image;
7319         }
7320
7321         wptr = (uint32_t *)(&sec_image_status);
7322         cnt = size;
7323         for (chksum = 0; cnt--; wptr++)
7324                 chksum += le32_to_cpu(*wptr);
7325         if (chksum) {
7326                 ql_dbg(ql_dbg_init, vha, 0x018e,
7327                     "Checksum validation failed for secondary image (0x%x)\n",
7328                     chksum);
7329                 valid_sec_image = 0;
7330         }
7331
7332 check_valid_image:
7333         if (valid_pri_image && (pri_image_status.image_status_mask & 0x1))
7334                 ha->active_image = QLA27XX_PRIMARY_IMAGE;
7335         if (valid_sec_image && (sec_image_status.image_status_mask & 0x1)) {
7336                 if (!ha->active_image ||
7337                     pri_image_status.generation_number <
7338                     sec_image_status.generation_number)
7339                         ha->active_image = QLA27XX_SECONDARY_IMAGE;
7340         }
7341
7342         ql_dbg(ql_dbg_init + ql_dbg_verbose, vha, 0x018f, "%s image\n",
7343             ha->active_image == 0 ? "default bootld and fw" :
7344             ha->active_image == 1 ? "primary" :
7345             ha->active_image == 2 ? "secondary" :
7346             "Invalid");
7347
7348         return ha->active_image;
7349 }
7350
7351 static int
7352 qla24xx_load_risc_flash(scsi_qla_host_t *vha, uint32_t *srisc_addr,
7353     uint32_t faddr)
7354 {
7355         int     rval = QLA_SUCCESS;
7356         int     segments, fragment;
7357         uint32_t *dcode, dlen;
7358         uint32_t risc_addr;
7359         uint32_t risc_size;
7360         uint32_t i;
7361         struct qla_hw_data *ha = vha->hw;
7362         struct req_que *req = ha->req_q_map[0];
7363
7364         ql_dbg(ql_dbg_init, vha, 0x008b,
7365             "FW: Loading firmware from flash (%x).\n", faddr);
7366
7367         rval = QLA_SUCCESS;
7368
7369         segments = FA_RISC_CODE_SEGMENTS;
7370         dcode = (uint32_t *)req->ring;
7371         *srisc_addr = 0;
7372
7373         if (IS_QLA27XX(ha) &&
7374             qla27xx_find_valid_image(vha) == QLA27XX_SECONDARY_IMAGE)
7375                 faddr = ha->flt_region_fw_sec;
7376
7377         /* Validate firmware image by checking version. */
7378         qla24xx_read_flash_data(vha, dcode, faddr + 4, 4);
7379         for (i = 0; i < 4; i++)
7380                 dcode[i] = be32_to_cpu(dcode[i]);
7381         if ((dcode[0] == 0xffffffff && dcode[1] == 0xffffffff &&
7382             dcode[2] == 0xffffffff && dcode[3] == 0xffffffff) ||
7383             (dcode[0] == 0 && dcode[1] == 0 && dcode[2] == 0 &&
7384                 dcode[3] == 0)) {
7385                 ql_log(ql_log_fatal, vha, 0x008c,
7386                     "Unable to verify the integrity of flash firmware "
7387                     "image.\n");
7388                 ql_log(ql_log_fatal, vha, 0x008d,
7389                     "Firmware data: %08x %08x %08x %08x.\n",
7390                     dcode[0], dcode[1], dcode[2], dcode[3]);
7391
7392                 return QLA_FUNCTION_FAILED;
7393         }
7394
7395         while (segments && rval == QLA_SUCCESS) {
7396                 /* Read segment's load information. */
7397                 qla24xx_read_flash_data(vha, dcode, faddr, 4);
7398
7399                 risc_addr = be32_to_cpu(dcode[2]);
7400                 *srisc_addr = *srisc_addr == 0 ? risc_addr : *srisc_addr;
7401                 risc_size = be32_to_cpu(dcode[3]);
7402
7403                 fragment = 0;
7404                 while (risc_size > 0 && rval == QLA_SUCCESS) {
7405                         dlen = (uint32_t)(ha->fw_transfer_size >> 2);
7406                         if (dlen > risc_size)
7407                                 dlen = risc_size;
7408
7409                         ql_dbg(ql_dbg_init, vha, 0x008e,
7410                             "Loading risc segment@ risc addr %x "
7411                             "number of dwords 0x%x offset 0x%x.\n",
7412                             risc_addr, dlen, faddr);
7413
7414                         qla24xx_read_flash_data(vha, dcode, faddr, dlen);
7415                         for (i = 0; i < dlen; i++)
7416                                 dcode[i] = swab32(dcode[i]);
7417
7418                         rval = qla2x00_load_ram(vha, req->dma, risc_addr,
7419                             dlen);
7420                         if (rval) {
7421                                 ql_log(ql_log_fatal, vha, 0x008f,
7422                                     "Failed to load segment %d of firmware.\n",
7423                                     fragment);
7424                                 return QLA_FUNCTION_FAILED;
7425                         }
7426
7427                         faddr += dlen;
7428                         risc_addr += dlen;
7429                         risc_size -= dlen;
7430                         fragment++;
7431                 }
7432
7433                 /* Next segment. */
7434                 segments--;
7435         }
7436
7437         if (!IS_QLA27XX(ha))
7438                 return rval;
7439
7440         if (ha->fw_dump_template)
7441                 vfree(ha->fw_dump_template);
7442         ha->fw_dump_template = NULL;
7443         ha->fw_dump_template_len = 0;
7444
7445         ql_dbg(ql_dbg_init, vha, 0x0161,
7446             "Loading fwdump template from %x\n", faddr);
7447         qla24xx_read_flash_data(vha, dcode, faddr, 7);
7448         risc_size = be32_to_cpu(dcode[2]);
7449         ql_dbg(ql_dbg_init, vha, 0x0162,
7450             "-> array size %x dwords\n", risc_size);
7451         if (risc_size == 0 || risc_size == ~0)
7452                 goto default_template;
7453
7454         dlen = (risc_size - 8) * sizeof(*dcode);
7455         ql_dbg(ql_dbg_init, vha, 0x0163,
7456             "-> template allocating %x bytes...\n", dlen);
7457         ha->fw_dump_template = vmalloc(dlen);
7458         if (!ha->fw_dump_template) {
7459                 ql_log(ql_log_warn, vha, 0x0164,
7460                     "Failed fwdump template allocate %x bytes.\n", risc_size);
7461                 goto default_template;
7462         }
7463
7464         faddr += 7;
7465         risc_size -= 8;
7466         dcode = ha->fw_dump_template;
7467         qla24xx_read_flash_data(vha, dcode, faddr, risc_size);
7468         for (i = 0; i < risc_size; i++)
7469                 dcode[i] = le32_to_cpu(dcode[i]);
7470
7471         if (!qla27xx_fwdt_template_valid(dcode)) {
7472                 ql_log(ql_log_warn, vha, 0x0165,
7473                     "Failed fwdump template validate\n");
7474                 goto default_template;
7475         }
7476
7477         dlen = qla27xx_fwdt_template_size(dcode);
7478         ql_dbg(ql_dbg_init, vha, 0x0166,
7479             "-> template size %x bytes\n", dlen);
7480         if (dlen > risc_size * sizeof(*dcode)) {
7481                 ql_log(ql_log_warn, vha, 0x0167,
7482                     "Failed fwdump template exceeds array by %zx bytes\n",
7483                     (size_t)(dlen - risc_size * sizeof(*dcode)));
7484                 goto default_template;
7485         }
7486         ha->fw_dump_template_len = dlen;
7487         return rval;
7488
7489 default_template:
7490         ql_log(ql_log_warn, vha, 0x0168, "Using default fwdump template\n");
7491         if (ha->fw_dump_template)
7492                 vfree(ha->fw_dump_template);
7493         ha->fw_dump_template = NULL;
7494         ha->fw_dump_template_len = 0;
7495
7496         dlen = qla27xx_fwdt_template_default_size();
7497         ql_dbg(ql_dbg_init, vha, 0x0169,
7498             "-> template allocating %x bytes...\n", dlen);
7499         ha->fw_dump_template = vmalloc(dlen);
7500         if (!ha->fw_dump_template) {
7501                 ql_log(ql_log_warn, vha, 0x016a,
7502                     "Failed fwdump template allocate %x bytes.\n", risc_size);
7503                 goto failed_template;
7504         }
7505
7506         dcode = ha->fw_dump_template;
7507         risc_size = dlen / sizeof(*dcode);
7508         memcpy(dcode, qla27xx_fwdt_template_default(), dlen);
7509         for (i = 0; i < risc_size; i++)
7510                 dcode[i] = be32_to_cpu(dcode[i]);
7511
7512         if (!qla27xx_fwdt_template_valid(ha->fw_dump_template)) {
7513                 ql_log(ql_log_warn, vha, 0x016b,
7514                     "Failed fwdump template validate\n");
7515                 goto failed_template;
7516         }
7517
7518         dlen = qla27xx_fwdt_template_size(ha->fw_dump_template);
7519         ql_dbg(ql_dbg_init, vha, 0x016c,
7520             "-> template size %x bytes\n", dlen);
7521         ha->fw_dump_template_len = dlen;
7522         return rval;
7523
7524 failed_template:
7525         ql_log(ql_log_warn, vha, 0x016d, "Failed default fwdump template\n");
7526         if (ha->fw_dump_template)
7527                 vfree(ha->fw_dump_template);
7528         ha->fw_dump_template = NULL;
7529         ha->fw_dump_template_len = 0;
7530         return rval;
7531 }
7532
7533 #define QLA_FW_URL "http://ldriver.qlogic.com/firmware/"
7534
7535 int
7536 qla2x00_load_risc(scsi_qla_host_t *vha, uint32_t *srisc_addr)
7537 {
7538         int     rval;
7539         int     i, fragment;
7540         uint16_t *wcode, *fwcode;
7541         uint32_t risc_addr, risc_size, fwclen, wlen, *seg;
7542         struct fw_blob *blob;
7543         struct qla_hw_data *ha = vha->hw;
7544         struct req_que *req = ha->req_q_map[0];
7545
7546         /* Load firmware blob. */
7547         blob = qla2x00_request_firmware(vha);
7548         if (!blob) {
7549                 ql_log(ql_log_info, vha, 0x0083,
7550                     "Firmware image unavailable.\n");
7551                 ql_log(ql_log_info, vha, 0x0084,
7552                     "Firmware images can be retrieved from: "QLA_FW_URL ".\n");
7553                 return QLA_FUNCTION_FAILED;
7554         }
7555
7556         rval = QLA_SUCCESS;
7557
7558         wcode = (uint16_t *)req->ring;
7559         *srisc_addr = 0;
7560         fwcode = (uint16_t *)blob->fw->data;
7561         fwclen = 0;
7562
7563         /* Validate firmware image by checking version. */
7564         if (blob->fw->size < 8 * sizeof(uint16_t)) {
7565                 ql_log(ql_log_fatal, vha, 0x0085,
7566                     "Unable to verify integrity of firmware image (%zd).\n",
7567                     blob->fw->size);
7568                 goto fail_fw_integrity;
7569         }
7570         for (i = 0; i < 4; i++)
7571                 wcode[i] = be16_to_cpu(fwcode[i + 4]);
7572         if ((wcode[0] == 0xffff && wcode[1] == 0xffff && wcode[2] == 0xffff &&
7573             wcode[3] == 0xffff) || (wcode[0] == 0 && wcode[1] == 0 &&
7574                 wcode[2] == 0 && wcode[3] == 0)) {
7575                 ql_log(ql_log_fatal, vha, 0x0086,
7576                     "Unable to verify integrity of firmware image.\n");
7577                 ql_log(ql_log_fatal, vha, 0x0087,
7578                     "Firmware data: %04x %04x %04x %04x.\n",
7579                     wcode[0], wcode[1], wcode[2], wcode[3]);
7580                 goto fail_fw_integrity;
7581         }
7582
7583         seg = blob->segs;
7584         while (*seg && rval == QLA_SUCCESS) {
7585                 risc_addr = *seg;
7586                 *srisc_addr = *srisc_addr == 0 ? *seg : *srisc_addr;
7587                 risc_size = be16_to_cpu(fwcode[3]);
7588
7589                 /* Validate firmware image size. */
7590                 fwclen += risc_size * sizeof(uint16_t);
7591                 if (blob->fw->size < fwclen) {
7592                         ql_log(ql_log_fatal, vha, 0x0088,
7593                             "Unable to verify integrity of firmware image "
7594                             "(%zd).\n", blob->fw->size);
7595                         goto fail_fw_integrity;
7596                 }
7597
7598                 fragment = 0;
7599                 while (risc_size > 0 && rval == QLA_SUCCESS) {
7600                         wlen = (uint16_t)(ha->fw_transfer_size >> 1);
7601                         if (wlen > risc_size)
7602                                 wlen = risc_size;
7603                         ql_dbg(ql_dbg_init, vha, 0x0089,
7604                             "Loading risc segment@ risc addr %x number of "
7605                             "words 0x%x.\n", risc_addr, wlen);
7606
7607                         for (i = 0; i < wlen; i++)
7608                                 wcode[i] = swab16(fwcode[i]);
7609
7610                         rval = qla2x00_load_ram(vha, req->dma, risc_addr,
7611                             wlen);
7612                         if (rval) {
7613                                 ql_log(ql_log_fatal, vha, 0x008a,
7614                                     "Failed to load segment %d of firmware.\n",
7615                                     fragment);
7616                                 break;
7617                         }
7618
7619                         fwcode += wlen;
7620                         risc_addr += wlen;
7621                         risc_size -= wlen;
7622                         fragment++;
7623                 }
7624
7625                 /* Next segment. */
7626                 seg++;
7627         }
7628         return rval;
7629
7630 fail_fw_integrity:
7631         return QLA_FUNCTION_FAILED;
7632 }
7633
7634 static int
7635 qla24xx_load_risc_blob(scsi_qla_host_t *vha, uint32_t *srisc_addr)
7636 {
7637         int     rval;
7638         int     segments, fragment;
7639         uint32_t *dcode, dlen;
7640         uint32_t risc_addr;
7641         uint32_t risc_size;
7642         uint32_t i;
7643         struct fw_blob *blob;
7644         const uint32_t *fwcode;
7645         uint32_t fwclen;
7646         struct qla_hw_data *ha = vha->hw;
7647         struct req_que *req = ha->req_q_map[0];
7648
7649         /* Load firmware blob. */
7650         blob = qla2x00_request_firmware(vha);
7651         if (!blob) {
7652                 ql_log(ql_log_warn, vha, 0x0090,
7653                     "Firmware image unavailable.\n");
7654                 ql_log(ql_log_warn, vha, 0x0091,
7655                     "Firmware images can be retrieved from: "
7656                     QLA_FW_URL ".\n");
7657
7658                 return QLA_FUNCTION_FAILED;
7659         }
7660
7661         ql_dbg(ql_dbg_init, vha, 0x0092,
7662             "FW: Loading via request-firmware.\n");
7663
7664         rval = QLA_SUCCESS;
7665
7666         segments = FA_RISC_CODE_SEGMENTS;
7667         dcode = (uint32_t *)req->ring;
7668         *srisc_addr = 0;
7669         fwcode = (uint32_t *)blob->fw->data;
7670         fwclen = 0;
7671
7672         /* Validate firmware image by checking version. */
7673         if (blob->fw->size < 8 * sizeof(uint32_t)) {
7674                 ql_log(ql_log_fatal, vha, 0x0093,
7675                     "Unable to verify integrity of firmware image (%zd).\n",
7676                     blob->fw->size);
7677                 return QLA_FUNCTION_FAILED;
7678         }
7679         for (i = 0; i < 4; i++)
7680                 dcode[i] = be32_to_cpu(fwcode[i + 4]);
7681         if ((dcode[0] == 0xffffffff && dcode[1] == 0xffffffff &&
7682             dcode[2] == 0xffffffff && dcode[3] == 0xffffffff) ||
7683             (dcode[0] == 0 && dcode[1] == 0 && dcode[2] == 0 &&
7684                 dcode[3] == 0)) {
7685                 ql_log(ql_log_fatal, vha, 0x0094,
7686                     "Unable to verify integrity of firmware image (%zd).\n",
7687                     blob->fw->size);
7688                 ql_log(ql_log_fatal, vha, 0x0095,
7689                     "Firmware data: %08x %08x %08x %08x.\n",
7690                     dcode[0], dcode[1], dcode[2], dcode[3]);
7691                 return QLA_FUNCTION_FAILED;
7692         }
7693
7694         while (segments && rval == QLA_SUCCESS) {
7695                 risc_addr = be32_to_cpu(fwcode[2]);
7696                 *srisc_addr = *srisc_addr == 0 ? risc_addr : *srisc_addr;
7697                 risc_size = be32_to_cpu(fwcode[3]);
7698
7699                 /* Validate firmware image size. */
7700                 fwclen += risc_size * sizeof(uint32_t);
7701                 if (blob->fw->size < fwclen) {
7702                         ql_log(ql_log_fatal, vha, 0x0096,
7703                             "Unable to verify integrity of firmware image "
7704                             "(%zd).\n", blob->fw->size);
7705                         return QLA_FUNCTION_FAILED;
7706                 }
7707
7708                 fragment = 0;
7709                 while (risc_size > 0 && rval == QLA_SUCCESS) {
7710                         dlen = (uint32_t)(ha->fw_transfer_size >> 2);
7711                         if (dlen > risc_size)
7712                                 dlen = risc_size;
7713
7714                         ql_dbg(ql_dbg_init, vha, 0x0097,
7715                             "Loading risc segment@ risc addr %x "
7716                             "number of dwords 0x%x.\n", risc_addr, dlen);
7717
7718                         for (i = 0; i < dlen; i++)
7719                                 dcode[i] = swab32(fwcode[i]);
7720
7721                         rval = qla2x00_load_ram(vha, req->dma, risc_addr,
7722                             dlen);
7723                         if (rval) {
7724                                 ql_log(ql_log_fatal, vha, 0x0098,
7725                                     "Failed to load segment %d of firmware.\n",
7726                                     fragment);
7727                                 return QLA_FUNCTION_FAILED;
7728                         }
7729
7730                         fwcode += dlen;
7731                         risc_addr += dlen;
7732                         risc_size -= dlen;
7733                         fragment++;
7734                 }
7735
7736                 /* Next segment. */
7737                 segments--;
7738         }
7739
7740         if (!IS_QLA27XX(ha))
7741                 return rval;
7742
7743         if (ha->fw_dump_template)
7744                 vfree(ha->fw_dump_template);
7745         ha->fw_dump_template = NULL;
7746         ha->fw_dump_template_len = 0;
7747
7748         ql_dbg(ql_dbg_init, vha, 0x171,
7749             "Loading fwdump template from %x\n",
7750             (uint32_t)((void *)fwcode - (void *)blob->fw->data));
7751         risc_size = be32_to_cpu(fwcode[2]);
7752         ql_dbg(ql_dbg_init, vha, 0x172,
7753             "-> array size %x dwords\n", risc_size);
7754         if (risc_size == 0 || risc_size == ~0)
7755                 goto default_template;
7756
7757         dlen = (risc_size - 8) * sizeof(*fwcode);
7758         ql_dbg(ql_dbg_init, vha, 0x0173,
7759             "-> template allocating %x bytes...\n", dlen);
7760         ha->fw_dump_template = vmalloc(dlen);
7761         if (!ha->fw_dump_template) {
7762                 ql_log(ql_log_warn, vha, 0x0174,
7763                     "Failed fwdump template allocate %x bytes.\n", risc_size);
7764                 goto default_template;
7765         }
7766
7767         fwcode += 7;
7768         risc_size -= 8;
7769         dcode = ha->fw_dump_template;
7770         for (i = 0; i < risc_size; i++)
7771                 dcode[i] = le32_to_cpu(fwcode[i]);
7772
7773         if (!qla27xx_fwdt_template_valid(dcode)) {
7774                 ql_log(ql_log_warn, vha, 0x0175,
7775                     "Failed fwdump template validate\n");
7776                 goto default_template;
7777         }
7778
7779         dlen = qla27xx_fwdt_template_size(dcode);
7780         ql_dbg(ql_dbg_init, vha, 0x0176,
7781             "-> template size %x bytes\n", dlen);
7782         if (dlen > risc_size * sizeof(*fwcode)) {
7783                 ql_log(ql_log_warn, vha, 0x0177,
7784                     "Failed fwdump template exceeds array by %zx bytes\n",
7785                     (size_t)(dlen - risc_size * sizeof(*fwcode)));
7786                 goto default_template;
7787         }
7788         ha->fw_dump_template_len = dlen;
7789         return rval;
7790
7791 default_template:
7792         ql_log(ql_log_warn, vha, 0x0178, "Using default fwdump template\n");
7793         if (ha->fw_dump_template)
7794                 vfree(ha->fw_dump_template);
7795         ha->fw_dump_template = NULL;
7796         ha->fw_dump_template_len = 0;
7797
7798         dlen = qla27xx_fwdt_template_default_size();
7799         ql_dbg(ql_dbg_init, vha, 0x0179,
7800             "-> template allocating %x bytes...\n", dlen);
7801         ha->fw_dump_template = vmalloc(dlen);
7802         if (!ha->fw_dump_template) {
7803                 ql_log(ql_log_warn, vha, 0x017a,
7804                     "Failed fwdump template allocate %x bytes.\n", risc_size);
7805                 goto failed_template;
7806         }
7807
7808         dcode = ha->fw_dump_template;
7809         risc_size = dlen / sizeof(*fwcode);
7810         fwcode = qla27xx_fwdt_template_default();
7811         for (i = 0; i < risc_size; i++)
7812                 dcode[i] = be32_to_cpu(fwcode[i]);
7813
7814         if (!qla27xx_fwdt_template_valid(ha->fw_dump_template)) {
7815                 ql_log(ql_log_warn, vha, 0x017b,
7816                     "Failed fwdump template validate\n");
7817                 goto failed_template;
7818         }
7819
7820         dlen = qla27xx_fwdt_template_size(ha->fw_dump_template);
7821         ql_dbg(ql_dbg_init, vha, 0x017c,
7822             "-> template size %x bytes\n", dlen);
7823         ha->fw_dump_template_len = dlen;
7824         return rval;
7825
7826 failed_template:
7827         ql_log(ql_log_warn, vha, 0x017d, "Failed default fwdump template\n");
7828         if (ha->fw_dump_template)
7829                 vfree(ha->fw_dump_template);
7830         ha->fw_dump_template = NULL;
7831         ha->fw_dump_template_len = 0;
7832         return rval;
7833 }
7834
7835 int
7836 qla24xx_load_risc(scsi_qla_host_t *vha, uint32_t *srisc_addr)
7837 {
7838         int rval;
7839
7840         if (ql2xfwloadbin == 1)
7841                 return qla81xx_load_risc(vha, srisc_addr);
7842
7843         /*
7844          * FW Load priority:
7845          * 1) Firmware via request-firmware interface (.bin file).
7846          * 2) Firmware residing in flash.
7847          */
7848         rval = qla24xx_load_risc_blob(vha, srisc_addr);
7849         if (rval == QLA_SUCCESS)
7850                 return rval;
7851
7852         return qla24xx_load_risc_flash(vha, srisc_addr,
7853             vha->hw->flt_region_fw);
7854 }
7855
7856 int
7857 qla81xx_load_risc(scsi_qla_host_t *vha, uint32_t *srisc_addr)
7858 {
7859         int rval;
7860         struct qla_hw_data *ha = vha->hw;
7861
7862         if (ql2xfwloadbin == 2)
7863                 goto try_blob_fw;
7864
7865         /*
7866          * FW Load priority:
7867          * 1) Firmware residing in flash.
7868          * 2) Firmware via request-firmware interface (.bin file).
7869          * 3) Golden-Firmware residing in flash -- limited operation.
7870          */
7871         rval = qla24xx_load_risc_flash(vha, srisc_addr, ha->flt_region_fw);
7872         if (rval == QLA_SUCCESS)
7873                 return rval;
7874
7875 try_blob_fw:
7876         rval = qla24xx_load_risc_blob(vha, srisc_addr);
7877         if (rval == QLA_SUCCESS || !ha->flt_region_gold_fw)
7878                 return rval;
7879
7880         ql_log(ql_log_info, vha, 0x0099,
7881             "Attempting to fallback to golden firmware.\n");
7882         rval = qla24xx_load_risc_flash(vha, srisc_addr, ha->flt_region_gold_fw);
7883         if (rval != QLA_SUCCESS)
7884                 return rval;
7885
7886         ql_log(ql_log_info, vha, 0x009a, "Update operational firmware.\n");
7887         ha->flags.running_gold_fw = 1;
7888         return rval;
7889 }
7890
7891 void
7892 qla2x00_try_to_stop_firmware(scsi_qla_host_t *vha)
7893 {
7894         int ret, retries;
7895         struct qla_hw_data *ha = vha->hw;
7896
7897         if (ha->flags.pci_channel_io_perm_failure)
7898                 return;
7899         if (!IS_FWI2_CAPABLE(ha))
7900                 return;
7901         if (!ha->fw_major_version)
7902                 return;
7903         if (!ha->flags.fw_started)
7904                 return;
7905
7906         ret = qla2x00_stop_firmware(vha);
7907         for (retries = 5; ret != QLA_SUCCESS && ret != QLA_FUNCTION_TIMEOUT &&
7908             ret != QLA_INVALID_COMMAND && retries ; retries--) {
7909                 ha->isp_ops->reset_chip(vha);
7910                 if (ha->isp_ops->chip_diag(vha) != QLA_SUCCESS)
7911                         continue;
7912                 if (qla2x00_setup_chip(vha) != QLA_SUCCESS)
7913                         continue;
7914                 ql_log(ql_log_info, vha, 0x8015,
7915                     "Attempting retry of stop-firmware command.\n");
7916                 ret = qla2x00_stop_firmware(vha);
7917         }
7918
7919         QLA_FW_STOPPED(ha);
7920         ha->flags.fw_init_done = 0;
7921 }
7922
7923 int
7924 qla24xx_configure_vhba(scsi_qla_host_t *vha)
7925 {
7926         int rval = QLA_SUCCESS;
7927         int rval2;
7928         uint16_t mb[MAILBOX_REGISTER_COUNT];
7929         struct qla_hw_data *ha = vha->hw;
7930         struct scsi_qla_host *base_vha = pci_get_drvdata(ha->pdev);
7931         struct req_que *req;
7932         struct rsp_que *rsp;
7933
7934         if (!vha->vp_idx)
7935                 return -EINVAL;
7936
7937         rval = qla2x00_fw_ready(base_vha);
7938         if (vha->qpair)
7939                 req = vha->qpair->req;
7940         else
7941                 req = ha->req_q_map[0];
7942         rsp = req->rsp;
7943
7944         if (rval == QLA_SUCCESS) {
7945                 clear_bit(RESET_MARKER_NEEDED, &vha->dpc_flags);
7946                 qla2x00_marker(vha, req, rsp, 0, 0, MK_SYNC_ALL);
7947         }
7948
7949         vha->flags.management_server_logged_in = 0;
7950
7951         /* Login to SNS first */
7952         rval2 = ha->isp_ops->fabric_login(vha, NPH_SNS, 0xff, 0xff, 0xfc, mb,
7953             BIT_1);
7954         if (rval2 != QLA_SUCCESS || mb[0] != MBS_COMMAND_COMPLETE) {
7955                 if (rval2 == QLA_MEMORY_ALLOC_FAILED)
7956                         ql_dbg(ql_dbg_init, vha, 0x0120,
7957                             "Failed SNS login: loop_id=%x, rval2=%d\n",
7958                             NPH_SNS, rval2);
7959                 else
7960                         ql_dbg(ql_dbg_init, vha, 0x0103,
7961                             "Failed SNS login: loop_id=%x mb[0]=%x mb[1]=%x "
7962                             "mb[2]=%x mb[6]=%x mb[7]=%x.\n",
7963                             NPH_SNS, mb[0], mb[1], mb[2], mb[6], mb[7]);
7964                 return (QLA_FUNCTION_FAILED);
7965         }
7966
7967         atomic_set(&vha->loop_down_timer, 0);
7968         atomic_set(&vha->loop_state, LOOP_UP);
7969         set_bit(LOOP_RESYNC_NEEDED, &vha->dpc_flags);
7970         set_bit(LOCAL_LOOP_UPDATE, &vha->dpc_flags);
7971         rval = qla2x00_loop_resync(base_vha);
7972
7973         return rval;
7974 }
7975
7976 /* 84XX Support **************************************************************/
7977
7978 static LIST_HEAD(qla_cs84xx_list);
7979 static DEFINE_MUTEX(qla_cs84xx_mutex);
7980
7981 static struct qla_chip_state_84xx *
7982 qla84xx_get_chip(struct scsi_qla_host *vha)
7983 {
7984         struct qla_chip_state_84xx *cs84xx;
7985         struct qla_hw_data *ha = vha->hw;
7986
7987         mutex_lock(&qla_cs84xx_mutex);
7988
7989         /* Find any shared 84xx chip. */
7990         list_for_each_entry(cs84xx, &qla_cs84xx_list, list) {
7991                 if (cs84xx->bus == ha->pdev->bus) {
7992                         kref_get(&cs84xx->kref);
7993                         goto done;
7994                 }
7995         }
7996
7997         cs84xx = kzalloc(sizeof(*cs84xx), GFP_KERNEL);
7998         if (!cs84xx)
7999                 goto done;
8000
8001         kref_init(&cs84xx->kref);
8002         spin_lock_init(&cs84xx->access_lock);
8003         mutex_init(&cs84xx->fw_update_mutex);
8004         cs84xx->bus = ha->pdev->bus;
8005
8006         list_add_tail(&cs84xx->list, &qla_cs84xx_list);
8007 done:
8008         mutex_unlock(&qla_cs84xx_mutex);
8009         return cs84xx;
8010 }
8011
8012 static void
8013 __qla84xx_chip_release(struct kref *kref)
8014 {
8015         struct qla_chip_state_84xx *cs84xx =
8016             container_of(kref, struct qla_chip_state_84xx, kref);
8017
8018         mutex_lock(&qla_cs84xx_mutex);
8019         list_del(&cs84xx->list);
8020         mutex_unlock(&qla_cs84xx_mutex);
8021         kfree(cs84xx);
8022 }
8023
8024 void
8025 qla84xx_put_chip(struct scsi_qla_host *vha)
8026 {
8027         struct qla_hw_data *ha = vha->hw;
8028         if (ha->cs84xx)
8029                 kref_put(&ha->cs84xx->kref, __qla84xx_chip_release);
8030 }
8031
8032 static int
8033 qla84xx_init_chip(scsi_qla_host_t *vha)
8034 {
8035         int rval;
8036         uint16_t status[2];
8037         struct qla_hw_data *ha = vha->hw;
8038
8039         mutex_lock(&ha->cs84xx->fw_update_mutex);
8040
8041         rval = qla84xx_verify_chip(vha, status);
8042
8043         mutex_unlock(&ha->cs84xx->fw_update_mutex);
8044
8045         return rval != QLA_SUCCESS || status[0] ? QLA_FUNCTION_FAILED:
8046             QLA_SUCCESS;
8047 }
8048
8049 /* 81XX Support **************************************************************/
8050
8051 int
8052 qla81xx_nvram_config(scsi_qla_host_t *vha)
8053 {
8054         int   rval;
8055         struct init_cb_81xx *icb;
8056         struct nvram_81xx *nv;
8057         uint32_t *dptr;
8058         uint8_t  *dptr1, *dptr2;
8059         uint32_t chksum;
8060         uint16_t cnt;
8061         struct qla_hw_data *ha = vha->hw;
8062
8063         rval = QLA_SUCCESS;
8064         icb = (struct init_cb_81xx *)ha->init_cb;
8065         nv = ha->nvram;
8066
8067         /* Determine NVRAM starting address. */
8068         ha->nvram_size = sizeof(struct nvram_81xx);
8069         ha->vpd_size = FA_NVRAM_VPD_SIZE;
8070         if (IS_P3P_TYPE(ha) || IS_QLA8031(ha))
8071                 ha->vpd_size = FA_VPD_SIZE_82XX;
8072
8073         /* Get VPD data into cache */
8074         ha->vpd = ha->nvram + VPD_OFFSET;
8075         ha->isp_ops->read_optrom(vha, ha->vpd, ha->flt_region_vpd << 2,
8076             ha->vpd_size);
8077
8078         /* Get NVRAM data into cache and calculate checksum. */
8079         ha->isp_ops->read_optrom(vha, ha->nvram, ha->flt_region_nvram << 2,
8080             ha->nvram_size);
8081         dptr = (uint32_t *)nv;
8082         for (cnt = 0, chksum = 0; cnt < ha->nvram_size >> 2; cnt++, dptr++)
8083                 chksum += le32_to_cpu(*dptr);
8084
8085         ql_dbg(ql_dbg_init + ql_dbg_buffer, vha, 0x0111,
8086             "Contents of NVRAM:\n");
8087         ql_dump_buffer(ql_dbg_init + ql_dbg_buffer, vha, 0x0112,
8088             (uint8_t *)nv, ha->nvram_size);
8089
8090         /* Bad NVRAM data, set defaults parameters. */
8091         if (chksum || nv->id[0] != 'I' || nv->id[1] != 'S' || nv->id[2] != 'P'
8092             || nv->id[3] != ' ' ||
8093             nv->nvram_version < cpu_to_le16(ICB_VERSION)) {
8094                 /* Reset NVRAM data. */
8095                 ql_log(ql_log_info, vha, 0x0073,
8096                     "Inconsistent NVRAM detected: checksum=0x%x id=%c "
8097                     "version=0x%x.\n", chksum, nv->id[0],
8098                     le16_to_cpu(nv->nvram_version));
8099                 ql_log(ql_log_info, vha, 0x0074,
8100                     "Falling back to functioning (yet invalid -- WWPN) "
8101                     "defaults.\n");
8102
8103                 /*
8104                  * Set default initialization control block.
8105                  */
8106                 memset(nv, 0, ha->nvram_size);
8107                 nv->nvram_version = cpu_to_le16(ICB_VERSION);
8108                 nv->version = cpu_to_le16(ICB_VERSION);
8109                 nv->frame_payload_size = 2048;
8110                 nv->execution_throttle = cpu_to_le16(0xFFFF);
8111                 nv->exchange_count = cpu_to_le16(0);
8112                 nv->port_name[0] = 0x21;
8113                 nv->port_name[1] = 0x00 + ha->port_no + 1;
8114                 nv->port_name[2] = 0x00;
8115                 nv->port_name[3] = 0xe0;
8116                 nv->port_name[4] = 0x8b;
8117                 nv->port_name[5] = 0x1c;
8118                 nv->port_name[6] = 0x55;
8119                 nv->port_name[7] = 0x86;
8120                 nv->node_name[0] = 0x20;
8121                 nv->node_name[1] = 0x00;
8122                 nv->node_name[2] = 0x00;
8123                 nv->node_name[3] = 0xe0;
8124                 nv->node_name[4] = 0x8b;
8125                 nv->node_name[5] = 0x1c;
8126                 nv->node_name[6] = 0x55;
8127                 nv->node_name[7] = 0x86;
8128                 nv->login_retry_count = cpu_to_le16(8);
8129                 nv->interrupt_delay_timer = cpu_to_le16(0);
8130                 nv->login_timeout = cpu_to_le16(0);
8131                 nv->firmware_options_1 =
8132                     cpu_to_le32(BIT_14|BIT_13|BIT_2|BIT_1);
8133                 nv->firmware_options_2 = cpu_to_le32(2 << 4);
8134                 nv->firmware_options_2 |= cpu_to_le32(BIT_12);
8135                 nv->firmware_options_3 = cpu_to_le32(2 << 13);
8136                 nv->host_p = cpu_to_le32(BIT_11|BIT_10);
8137                 nv->efi_parameters = cpu_to_le32(0);
8138                 nv->reset_delay = 5;
8139                 nv->max_luns_per_target = cpu_to_le16(128);
8140                 nv->port_down_retry_count = cpu_to_le16(30);
8141                 nv->link_down_timeout = cpu_to_le16(180);
8142                 nv->enode_mac[0] = 0x00;
8143                 nv->enode_mac[1] = 0xC0;
8144                 nv->enode_mac[2] = 0xDD;
8145                 nv->enode_mac[3] = 0x04;
8146                 nv->enode_mac[4] = 0x05;
8147                 nv->enode_mac[5] = 0x06 + ha->port_no + 1;
8148
8149                 rval = 1;
8150         }
8151
8152         if (IS_T10_PI_CAPABLE(ha))
8153                 nv->frame_payload_size &= ~7;
8154
8155         qlt_81xx_config_nvram_stage1(vha, nv);
8156
8157         /* Reset Initialization control block */
8158         memset(icb, 0, ha->init_cb_size);
8159
8160         /* Copy 1st segment. */
8161         dptr1 = (uint8_t *)icb;
8162         dptr2 = (uint8_t *)&nv->version;
8163         cnt = (uint8_t *)&icb->response_q_inpointer - (uint8_t *)&icb->version;
8164         while (cnt--)
8165                 *dptr1++ = *dptr2++;
8166
8167         icb->login_retry_count = nv->login_retry_count;
8168
8169         /* Copy 2nd segment. */
8170         dptr1 = (uint8_t *)&icb->interrupt_delay_timer;
8171         dptr2 = (uint8_t *)&nv->interrupt_delay_timer;
8172         cnt = (uint8_t *)&icb->reserved_5 -
8173             (uint8_t *)&icb->interrupt_delay_timer;
8174         while (cnt--)
8175                 *dptr1++ = *dptr2++;
8176
8177         memcpy(icb->enode_mac, nv->enode_mac, sizeof(icb->enode_mac));
8178         /* Some boards (with valid NVRAMs) still have NULL enode_mac!! */
8179         if (!memcmp(icb->enode_mac, "\0\0\0\0\0\0", sizeof(icb->enode_mac))) {
8180                 icb->enode_mac[0] = 0x00;
8181                 icb->enode_mac[1] = 0xC0;
8182                 icb->enode_mac[2] = 0xDD;
8183                 icb->enode_mac[3] = 0x04;
8184                 icb->enode_mac[4] = 0x05;
8185                 icb->enode_mac[5] = 0x06 + ha->port_no + 1;
8186         }
8187
8188         /* Use extended-initialization control block. */
8189         memcpy(ha->ex_init_cb, &nv->ex_version, sizeof(*ha->ex_init_cb));
8190         ha->frame_payload_size = le16_to_cpu(icb->frame_payload_size);
8191         /*
8192          * Setup driver NVRAM options.
8193          */
8194         qla2x00_set_model_info(vha, nv->model_name, sizeof(nv->model_name),
8195             "QLE8XXX");
8196
8197         qlt_81xx_config_nvram_stage2(vha, icb);
8198
8199         /* Use alternate WWN? */
8200         if (nv->host_p & cpu_to_le32(BIT_15)) {
8201                 memcpy(icb->node_name, nv->alternate_node_name, WWN_SIZE);
8202                 memcpy(icb->port_name, nv->alternate_port_name, WWN_SIZE);
8203         }
8204
8205         /* Prepare nodename */
8206         if ((icb->firmware_options_1 & cpu_to_le32(BIT_14)) == 0) {
8207                 /*
8208                  * Firmware will apply the following mask if the nodename was
8209                  * not provided.
8210                  */
8211                 memcpy(icb->node_name, icb->port_name, WWN_SIZE);
8212                 icb->node_name[0] &= 0xF0;
8213         }
8214
8215         /* Set host adapter parameters. */
8216         ha->flags.disable_risc_code_load = 0;
8217         ha->flags.enable_lip_reset = 0;
8218         ha->flags.enable_lip_full_login =
8219             le32_to_cpu(nv->host_p) & BIT_10 ? 1: 0;
8220         ha->flags.enable_target_reset =
8221             le32_to_cpu(nv->host_p) & BIT_11 ? 1: 0;
8222         ha->flags.enable_led_scheme = 0;
8223         ha->flags.disable_serdes = le32_to_cpu(nv->host_p) & BIT_5 ? 1: 0;
8224
8225         ha->operating_mode = (le32_to_cpu(icb->firmware_options_2) &
8226             (BIT_6 | BIT_5 | BIT_4)) >> 4;
8227
8228         /* save HBA serial number */
8229         ha->serial0 = icb->port_name[5];
8230         ha->serial1 = icb->port_name[6];
8231         ha->serial2 = icb->port_name[7];
8232         memcpy(vha->node_name, icb->node_name, WWN_SIZE);
8233         memcpy(vha->port_name, icb->port_name, WWN_SIZE);
8234
8235         icb->execution_throttle = cpu_to_le16(0xFFFF);
8236
8237         ha->retry_count = le16_to_cpu(nv->login_retry_count);
8238
8239         /* Set minimum login_timeout to 4 seconds. */
8240         if (le16_to_cpu(nv->login_timeout) < ql2xlogintimeout)
8241                 nv->login_timeout = cpu_to_le16(ql2xlogintimeout);
8242         if (le16_to_cpu(nv->login_timeout) < 4)
8243                 nv->login_timeout = cpu_to_le16(4);
8244         ha->login_timeout = le16_to_cpu(nv->login_timeout);
8245
8246         /* Set minimum RATOV to 100 tenths of a second. */
8247         ha->r_a_tov = 100;
8248
8249         ha->loop_reset_delay = nv->reset_delay;
8250
8251         /* Link Down Timeout = 0:
8252          *
8253          *      When Port Down timer expires we will start returning
8254          *      I/O's to OS with "DID_NO_CONNECT".
8255          *
8256          * Link Down Timeout != 0:
8257          *
8258          *       The driver waits for the link to come up after link down
8259          *       before returning I/Os to OS with "DID_NO_CONNECT".
8260          */
8261         if (le16_to_cpu(nv->link_down_timeout) == 0) {
8262                 ha->loop_down_abort_time =
8263                     (LOOP_DOWN_TIME - LOOP_DOWN_TIMEOUT);
8264         } else {
8265                 ha->link_down_timeout = le16_to_cpu(nv->link_down_timeout);
8266                 ha->loop_down_abort_time =
8267                     (LOOP_DOWN_TIME - ha->link_down_timeout);
8268         }
8269
8270         /* Need enough time to try and get the port back. */
8271         ha->port_down_retry_count = le16_to_cpu(nv->port_down_retry_count);
8272         if (qlport_down_retry)
8273                 ha->port_down_retry_count = qlport_down_retry;
8274
8275         /* Set login_retry_count */
8276         ha->login_retry_count  = le16_to_cpu(nv->login_retry_count);
8277         if (ha->port_down_retry_count ==
8278             le16_to_cpu(nv->port_down_retry_count) &&
8279             ha->port_down_retry_count > 3)
8280                 ha->login_retry_count = ha->port_down_retry_count;
8281         else if (ha->port_down_retry_count > (int)ha->login_retry_count)
8282                 ha->login_retry_count = ha->port_down_retry_count;
8283         if (ql2xloginretrycount)
8284                 ha->login_retry_count = ql2xloginretrycount;
8285
8286         /* if not running MSI-X we need handshaking on interrupts */
8287         if (!vha->hw->flags.msix_enabled && (IS_QLA83XX(ha) || IS_QLA27XX(ha)))
8288                 icb->firmware_options_2 |= cpu_to_le32(BIT_22);
8289
8290         /* Enable ZIO. */
8291         if (!vha->flags.init_done) {
8292                 ha->zio_mode = le32_to_cpu(icb->firmware_options_2) &
8293                     (BIT_3 | BIT_2 | BIT_1 | BIT_0);
8294                 ha->zio_timer = le16_to_cpu(icb->interrupt_delay_timer) ?
8295                     le16_to_cpu(icb->interrupt_delay_timer): 2;
8296         }
8297         icb->firmware_options_2 &= cpu_to_le32(
8298             ~(BIT_3 | BIT_2 | BIT_1 | BIT_0));
8299         vha->flags.process_response_queue = 0;
8300         if (ha->zio_mode != QLA_ZIO_DISABLED) {
8301                 ha->zio_mode = QLA_ZIO_MODE_6;
8302
8303                 ql_log(ql_log_info, vha, 0x0075,
8304                     "ZIO mode %d enabled; timer delay (%d us).\n",
8305                     ha->zio_mode,
8306                     ha->zio_timer * 100);
8307
8308                 icb->firmware_options_2 |= cpu_to_le32(
8309                     (uint32_t)ha->zio_mode);
8310                 icb->interrupt_delay_timer = cpu_to_le16(ha->zio_timer);
8311                 vha->flags.process_response_queue = 1;
8312         }
8313
8314          /* enable RIDA Format2 */
8315         icb->firmware_options_3 |= BIT_0;
8316
8317         /* N2N: driver will initiate Login instead of FW */
8318         icb->firmware_options_3 |= BIT_8;
8319
8320         if (IS_QLA27XX(ha)) {
8321                 icb->firmware_options_3 |= BIT_8;
8322                 ql_dbg(ql_log_info, vha, 0x0075,
8323                     "Enabling direct connection.\n");
8324         }
8325
8326         if (rval) {
8327                 ql_log(ql_log_warn, vha, 0x0076,
8328                     "NVRAM configuration failed.\n");
8329         }
8330         return (rval);
8331 }
8332
8333 int
8334 qla82xx_restart_isp(scsi_qla_host_t *vha)
8335 {
8336         int status, rval;
8337         struct qla_hw_data *ha = vha->hw;
8338         struct req_que *req = ha->req_q_map[0];
8339         struct rsp_que *rsp = ha->rsp_q_map[0];
8340         struct scsi_qla_host *vp;
8341         unsigned long flags;
8342
8343         status = qla2x00_init_rings(vha);
8344         if (!status) {
8345                 clear_bit(RESET_MARKER_NEEDED, &vha->dpc_flags);
8346                 ha->flags.chip_reset_done = 1;
8347
8348                 status = qla2x00_fw_ready(vha);
8349                 if (!status) {
8350                         /* Issue a marker after FW becomes ready. */
8351                         qla2x00_marker(vha, req, rsp, 0, 0, MK_SYNC_ALL);
8352                         vha->flags.online = 1;
8353                         set_bit(LOOP_RESYNC_NEEDED, &vha->dpc_flags);
8354                 }
8355
8356                 /* if no cable then assume it's good */
8357                 if ((vha->device_flags & DFLG_NO_CABLE))
8358                         status = 0;
8359         }
8360
8361         if (!status) {
8362                 clear_bit(RESET_MARKER_NEEDED, &vha->dpc_flags);
8363
8364                 if (!atomic_read(&vha->loop_down_timer)) {
8365                         /*
8366                          * Issue marker command only when we are going
8367                          * to start the I/O .
8368                          */
8369                         vha->marker_needed = 1;
8370                 }
8371
8372                 ha->isp_ops->enable_intrs(ha);
8373
8374                 ha->isp_abort_cnt = 0;
8375                 clear_bit(ISP_ABORT_RETRY, &vha->dpc_flags);
8376
8377                 /* Update the firmware version */
8378                 status = qla82xx_check_md_needed(vha);
8379
8380                 if (ha->fce) {
8381                         ha->flags.fce_enabled = 1;
8382                         memset(ha->fce, 0,
8383                             fce_calc_size(ha->fce_bufs));
8384                         rval = qla2x00_enable_fce_trace(vha,
8385                             ha->fce_dma, ha->fce_bufs, ha->fce_mb,
8386                             &ha->fce_bufs);
8387                         if (rval) {
8388                                 ql_log(ql_log_warn, vha, 0x8001,
8389                                     "Unable to reinitialize FCE (%d).\n",
8390                                     rval);
8391                                 ha->flags.fce_enabled = 0;
8392                         }
8393                 }
8394
8395                 if (ha->eft) {
8396                         memset(ha->eft, 0, EFT_SIZE);
8397                         rval = qla2x00_enable_eft_trace(vha,
8398                             ha->eft_dma, EFT_NUM_BUFFERS);
8399                         if (rval) {
8400                                 ql_log(ql_log_warn, vha, 0x8010,
8401                                     "Unable to reinitialize EFT (%d).\n",
8402                                     rval);
8403                         }
8404                 }
8405         }
8406
8407         if (!status) {
8408                 ql_dbg(ql_dbg_taskm, vha, 0x8011,
8409                     "qla82xx_restart_isp succeeded.\n");
8410
8411                 spin_lock_irqsave(&ha->vport_slock, flags);
8412                 list_for_each_entry(vp, &ha->vp_list, list) {
8413                         if (vp->vp_idx) {
8414                                 atomic_inc(&vp->vref_count);
8415                                 spin_unlock_irqrestore(&ha->vport_slock, flags);
8416
8417                                 qla2x00_vp_abort_isp(vp);
8418
8419                                 spin_lock_irqsave(&ha->vport_slock, flags);
8420                                 atomic_dec(&vp->vref_count);
8421                         }
8422                 }
8423                 spin_unlock_irqrestore(&ha->vport_slock, flags);
8424
8425         } else {
8426                 ql_log(ql_log_warn, vha, 0x8016,
8427                     "qla82xx_restart_isp **** FAILED ****.\n");
8428         }
8429
8430         return status;
8431 }
8432
8433 void
8434 qla81xx_update_fw_options(scsi_qla_host_t *vha)
8435 {
8436         struct qla_hw_data *ha = vha->hw;
8437
8438         /*  Hold status IOCBs until ABTS response received. */
8439         if (ql2xfwholdabts)
8440                 ha->fw_options[3] |= BIT_12;
8441
8442         /* Set Retry FLOGI in case of P2P connection */
8443         if (ha->operating_mode == P2P) {
8444                 ha->fw_options[2] |= BIT_3;
8445                 ql_dbg(ql_dbg_disc, vha, 0x2103,
8446                     "(%s): Setting FLOGI retry BIT in fw_options[2]: 0x%x\n",
8447                         __func__, ha->fw_options[2]);
8448         }
8449
8450         /* Move PUREX, ABTS RX & RIDA to ATIOQ */
8451         if (ql2xmvasynctoatio) {
8452                 if (qla_tgt_mode_enabled(vha) ||
8453                     qla_dual_mode_enabled(vha))
8454                         ha->fw_options[2] |= BIT_11;
8455                 else
8456                         ha->fw_options[2] &= ~BIT_11;
8457         }
8458
8459         if (qla_tgt_mode_enabled(vha) ||
8460             qla_dual_mode_enabled(vha)) {
8461                 /* FW auto send SCSI status during */
8462                 ha->fw_options[1] |= BIT_8;
8463                 ha->fw_options[10] |= (u16)SAM_STAT_BUSY << 8;
8464
8465                 /* FW perform Exchange validation */
8466                 ha->fw_options[2] |= BIT_4;
8467         } else {
8468                 ha->fw_options[1]  &= ~BIT_8;
8469                 ha->fw_options[10] &= 0x00ff;
8470
8471                 ha->fw_options[2] &= ~BIT_4;
8472         }
8473
8474         if (ql2xetsenable) {
8475                 /* Enable ETS Burst. */
8476                 memset(ha->fw_options, 0, sizeof(ha->fw_options));
8477                 ha->fw_options[2] |= BIT_9;
8478         }
8479
8480         ql_dbg(ql_dbg_init, vha, 0x00e9,
8481             "%s, add FW options 1-3 = 0x%04x 0x%04x 0x%04x mode %x\n",
8482             __func__, ha->fw_options[1], ha->fw_options[2],
8483             ha->fw_options[3], vha->host->active_mode);
8484
8485         qla2x00_set_fw_options(vha, ha->fw_options);
8486 }
8487
8488 /*
8489  * qla24xx_get_fcp_prio
8490  *      Gets the fcp cmd priority value for the logged in port.
8491  *      Looks for a match of the port descriptors within
8492  *      each of the fcp prio config entries. If a match is found,
8493  *      the tag (priority) value is returned.
8494  *
8495  * Input:
8496  *      vha = scsi host structure pointer.
8497  *      fcport = port structure pointer.
8498  *
8499  * Return:
8500  *      non-zero (if found)
8501  *      -1 (if not found)
8502  *
8503  * Context:
8504  *      Kernel context
8505  */
8506 static int
8507 qla24xx_get_fcp_prio(scsi_qla_host_t *vha, fc_port_t *fcport)
8508 {
8509         int i, entries;
8510         uint8_t pid_match, wwn_match;
8511         int priority;
8512         uint32_t pid1, pid2;
8513         uint64_t wwn1, wwn2;
8514         struct qla_fcp_prio_entry *pri_entry;
8515         struct qla_hw_data *ha = vha->hw;
8516
8517         if (!ha->fcp_prio_cfg || !ha->flags.fcp_prio_enabled)
8518                 return -1;
8519
8520         priority = -1;
8521         entries = ha->fcp_prio_cfg->num_entries;
8522         pri_entry = &ha->fcp_prio_cfg->entry[0];
8523
8524         for (i = 0; i < entries; i++) {
8525                 pid_match = wwn_match = 0;
8526
8527                 if (!(pri_entry->flags & FCP_PRIO_ENTRY_VALID)) {
8528                         pri_entry++;
8529                         continue;
8530                 }
8531
8532                 /* check source pid for a match */
8533                 if (pri_entry->flags & FCP_PRIO_ENTRY_SPID_VALID) {
8534                         pid1 = pri_entry->src_pid & INVALID_PORT_ID;
8535                         pid2 = vha->d_id.b24 & INVALID_PORT_ID;
8536                         if (pid1 == INVALID_PORT_ID)
8537                                 pid_match++;
8538                         else if (pid1 == pid2)
8539                                 pid_match++;
8540                 }
8541
8542                 /* check destination pid for a match */
8543                 if (pri_entry->flags & FCP_PRIO_ENTRY_DPID_VALID) {
8544                         pid1 = pri_entry->dst_pid & INVALID_PORT_ID;
8545                         pid2 = fcport->d_id.b24 & INVALID_PORT_ID;
8546                         if (pid1 == INVALID_PORT_ID)
8547                                 pid_match++;
8548                         else if (pid1 == pid2)
8549                                 pid_match++;
8550                 }
8551
8552                 /* check source WWN for a match */
8553                 if (pri_entry->flags & FCP_PRIO_ENTRY_SWWN_VALID) {
8554                         wwn1 = wwn_to_u64(vha->port_name);
8555                         wwn2 = wwn_to_u64(pri_entry->src_wwpn);
8556                         if (wwn2 == (uint64_t)-1)
8557                                 wwn_match++;
8558                         else if (wwn1 == wwn2)
8559                                 wwn_match++;
8560                 }
8561
8562                 /* check destination WWN for a match */
8563                 if (pri_entry->flags & FCP_PRIO_ENTRY_DWWN_VALID) {
8564                         wwn1 = wwn_to_u64(fcport->port_name);
8565                         wwn2 = wwn_to_u64(pri_entry->dst_wwpn);
8566                         if (wwn2 == (uint64_t)-1)
8567                                 wwn_match++;
8568                         else if (wwn1 == wwn2)
8569                                 wwn_match++;
8570                 }
8571
8572                 if (pid_match == 2 || wwn_match == 2) {
8573                         /* Found a matching entry */
8574                         if (pri_entry->flags & FCP_PRIO_ENTRY_TAG_VALID)
8575                                 priority = pri_entry->tag;
8576                         break;
8577                 }
8578
8579                 pri_entry++;
8580         }
8581
8582         return priority;
8583 }
8584
8585 /*
8586  * qla24xx_update_fcport_fcp_prio
8587  *      Activates fcp priority for the logged in fc port
8588  *
8589  * Input:
8590  *      vha = scsi host structure pointer.
8591  *      fcp = port structure pointer.
8592  *
8593  * Return:
8594  *      QLA_SUCCESS or QLA_FUNCTION_FAILED
8595  *
8596  * Context:
8597  *      Kernel context.
8598  */
8599 int
8600 qla24xx_update_fcport_fcp_prio(scsi_qla_host_t *vha, fc_port_t *fcport)
8601 {
8602         int ret;
8603         int priority;
8604         uint16_t mb[5];
8605
8606         if (fcport->port_type != FCT_TARGET ||
8607             fcport->loop_id == FC_NO_LOOP_ID)
8608                 return QLA_FUNCTION_FAILED;
8609
8610         priority = qla24xx_get_fcp_prio(vha, fcport);
8611         if (priority < 0)
8612                 return QLA_FUNCTION_FAILED;
8613
8614         if (IS_P3P_TYPE(vha->hw)) {
8615                 fcport->fcp_prio = priority & 0xf;
8616                 return QLA_SUCCESS;
8617         }
8618
8619         ret = qla24xx_set_fcp_prio(vha, fcport->loop_id, priority, mb);
8620         if (ret == QLA_SUCCESS) {
8621                 if (fcport->fcp_prio != priority)
8622                         ql_dbg(ql_dbg_user, vha, 0x709e,
8623                             "Updated FCP_CMND priority - value=%d loop_id=%d "
8624                             "port_id=%02x%02x%02x.\n", priority,
8625                             fcport->loop_id, fcport->d_id.b.domain,
8626                             fcport->d_id.b.area, fcport->d_id.b.al_pa);
8627                 fcport->fcp_prio = priority & 0xf;
8628         } else
8629                 ql_dbg(ql_dbg_user, vha, 0x704f,
8630                     "Unable to update FCP_CMND priority - ret=0x%x for "
8631                     "loop_id=%d port_id=%02x%02x%02x.\n", ret, fcport->loop_id,
8632                     fcport->d_id.b.domain, fcport->d_id.b.area,
8633                     fcport->d_id.b.al_pa);
8634         return  ret;
8635 }
8636
8637 /*
8638  * qla24xx_update_all_fcp_prio
8639  *      Activates fcp priority for all the logged in ports
8640  *
8641  * Input:
8642  *      ha = adapter block pointer.
8643  *
8644  * Return:
8645  *      QLA_SUCCESS or QLA_FUNCTION_FAILED
8646  *
8647  * Context:
8648  *      Kernel context.
8649  */
8650 int
8651 qla24xx_update_all_fcp_prio(scsi_qla_host_t *vha)
8652 {
8653         int ret;
8654         fc_port_t *fcport;
8655
8656         ret = QLA_FUNCTION_FAILED;
8657         /* We need to set priority for all logged in ports */
8658         list_for_each_entry(fcport, &vha->vp_fcports, list)
8659                 ret = qla24xx_update_fcport_fcp_prio(vha, fcport);
8660
8661         return ret;
8662 }
8663
8664 struct qla_qpair *qla2xxx_create_qpair(struct scsi_qla_host *vha, int qos,
8665         int vp_idx, bool startqp)
8666 {
8667         int rsp_id = 0;
8668         int  req_id = 0;
8669         int i;
8670         struct qla_hw_data *ha = vha->hw;
8671         uint16_t qpair_id = 0;
8672         struct qla_qpair *qpair = NULL;
8673         struct qla_msix_entry *msix;
8674
8675         if (!(ha->fw_attributes & BIT_6) || !ha->flags.msix_enabled) {
8676                 ql_log(ql_log_warn, vha, 0x00181,
8677                     "FW/Driver is not multi-queue capable.\n");
8678                 return NULL;
8679         }
8680
8681         if (ql2xmqsupport || ql2xnvmeenable) {
8682                 qpair = kzalloc(sizeof(struct qla_qpair), GFP_KERNEL);
8683                 if (qpair == NULL) {
8684                         ql_log(ql_log_warn, vha, 0x0182,
8685                             "Failed to allocate memory for queue pair.\n");
8686                         return NULL;
8687                 }
8688                 memset(qpair, 0, sizeof(struct qla_qpair));
8689
8690                 qpair->hw = vha->hw;
8691                 qpair->vha = vha;
8692                 qpair->qp_lock_ptr = &qpair->qp_lock;
8693                 spin_lock_init(&qpair->qp_lock);
8694                 qpair->use_shadow_reg = IS_SHADOW_REG_CAPABLE(ha) ? 1 : 0;
8695
8696                 /* Assign available que pair id */
8697                 mutex_lock(&ha->mq_lock);
8698                 qpair_id = find_first_zero_bit(ha->qpair_qid_map, ha->max_qpairs);
8699                 if (ha->num_qpairs >= ha->max_qpairs) {
8700                         mutex_unlock(&ha->mq_lock);
8701                         ql_log(ql_log_warn, vha, 0x0183,
8702                             "No resources to create additional q pair.\n");
8703                         goto fail_qid_map;
8704                 }
8705                 ha->num_qpairs++;
8706                 set_bit(qpair_id, ha->qpair_qid_map);
8707                 ha->queue_pair_map[qpair_id] = qpair;
8708                 qpair->id = qpair_id;
8709                 qpair->vp_idx = vp_idx;
8710                 qpair->fw_started = ha->flags.fw_started;
8711                 INIT_LIST_HEAD(&qpair->hints_list);
8712                 qpair->chip_reset = ha->base_qpair->chip_reset;
8713                 qpair->enable_class_2 = ha->base_qpair->enable_class_2;
8714                 qpair->enable_explicit_conf =
8715                     ha->base_qpair->enable_explicit_conf;
8716
8717                 for (i = 0; i < ha->msix_count; i++) {
8718                         msix = &ha->msix_entries[i];
8719                         if (msix->in_use)
8720                                 continue;
8721                         qpair->msix = msix;
8722                         ql_dbg(ql_dbg_multiq, vha, 0xc00f,
8723                             "Vector %x selected for qpair\n", msix->vector);
8724                         break;
8725                 }
8726                 if (!qpair->msix) {
8727                         ql_log(ql_log_warn, vha, 0x0184,
8728                             "Out of MSI-X vectors!.\n");
8729                         goto fail_msix;
8730                 }
8731
8732                 qpair->msix->in_use = 1;
8733                 list_add_tail(&qpair->qp_list_elem, &vha->qp_list);
8734                 qpair->pdev = ha->pdev;
8735                 if (IS_QLA27XX(ha) || IS_QLA83XX(ha))
8736                         qpair->reqq_start_iocbs = qla_83xx_start_iocbs;
8737
8738                 mutex_unlock(&ha->mq_lock);
8739
8740                 /* Create response queue first */
8741                 rsp_id = qla25xx_create_rsp_que(ha, 0, 0, 0, qpair, startqp);
8742                 if (!rsp_id) {
8743                         ql_log(ql_log_warn, vha, 0x0185,
8744                             "Failed to create response queue.\n");
8745                         goto fail_rsp;
8746                 }
8747
8748                 qpair->rsp = ha->rsp_q_map[rsp_id];
8749
8750                 /* Create request queue */
8751                 req_id = qla25xx_create_req_que(ha, 0, vp_idx, 0, rsp_id, qos,
8752                     startqp);
8753                 if (!req_id) {
8754                         ql_log(ql_log_warn, vha, 0x0186,
8755                             "Failed to create request queue.\n");
8756                         goto fail_req;
8757                 }
8758
8759                 qpair->req = ha->req_q_map[req_id];
8760                 qpair->rsp->req = qpair->req;
8761                 qpair->rsp->qpair = qpair;
8762                 /* init qpair to this cpu. Will adjust at run time. */
8763                 qla_cpu_update(qpair, smp_processor_id());
8764
8765                 if (IS_T10_PI_CAPABLE(ha) && ql2xenabledif) {
8766                         if (ha->fw_attributes & BIT_4)
8767                                 qpair->difdix_supported = 1;
8768                 }
8769
8770                 qpair->srb_mempool = mempool_create_slab_pool(SRB_MIN_REQ, srb_cachep);
8771                 if (!qpair->srb_mempool) {
8772                         ql_log(ql_log_warn, vha, 0xd036,
8773                             "Failed to create srb mempool for qpair %d\n",
8774                             qpair->id);
8775                         goto fail_mempool;
8776                 }
8777
8778                 /* Mark as online */
8779                 qpair->online = 1;
8780
8781                 if (!vha->flags.qpairs_available)
8782                         vha->flags.qpairs_available = 1;
8783
8784                 ql_dbg(ql_dbg_multiq, vha, 0xc00d,
8785                     "Request/Response queue pair created, id %d\n",
8786                     qpair->id);
8787                 ql_dbg(ql_dbg_init, vha, 0x0187,
8788                     "Request/Response queue pair created, id %d\n",
8789                     qpair->id);
8790         }
8791         return qpair;
8792
8793 fail_mempool:
8794 fail_req:
8795         qla25xx_delete_rsp_que(vha, qpair->rsp);
8796 fail_rsp:
8797         mutex_lock(&ha->mq_lock);
8798         qpair->msix->in_use = 0;
8799         list_del(&qpair->qp_list_elem);
8800         if (list_empty(&vha->qp_list))
8801                 vha->flags.qpairs_available = 0;
8802 fail_msix:
8803         ha->queue_pair_map[qpair_id] = NULL;
8804         clear_bit(qpair_id, ha->qpair_qid_map);
8805         ha->num_qpairs--;
8806         mutex_unlock(&ha->mq_lock);
8807 fail_qid_map:
8808         kfree(qpair);
8809         return NULL;
8810 }
8811
8812 int qla2xxx_delete_qpair(struct scsi_qla_host *vha, struct qla_qpair *qpair)
8813 {
8814         int ret = QLA_FUNCTION_FAILED;
8815         struct qla_hw_data *ha = qpair->hw;
8816
8817         qpair->delete_in_progress = 1;
8818         while (atomic_read(&qpair->ref_count))
8819                 msleep(500);
8820
8821         ret = qla25xx_delete_req_que(vha, qpair->req);
8822         if (ret != QLA_SUCCESS)
8823                 goto fail;
8824
8825         ret = qla25xx_delete_rsp_que(vha, qpair->rsp);
8826         if (ret != QLA_SUCCESS)
8827                 goto fail;
8828
8829         mutex_lock(&ha->mq_lock);
8830         ha->queue_pair_map[qpair->id] = NULL;
8831         clear_bit(qpair->id, ha->qpair_qid_map);
8832         ha->num_qpairs--;
8833         list_del(&qpair->qp_list_elem);
8834         if (list_empty(&vha->qp_list)) {
8835                 vha->flags.qpairs_available = 0;
8836                 vha->flags.qpairs_req_created = 0;
8837                 vha->flags.qpairs_rsp_created = 0;
8838         }
8839         mempool_destroy(qpair->srb_mempool);
8840         kfree(qpair);
8841         mutex_unlock(&ha->mq_lock);
8842
8843         return QLA_SUCCESS;
8844 fail:
8845         return ret;
8846 }