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         }
 249
 250         ql_dbg(ql_dbg_disc, vha, 0x2072,
 251             "Async-login - %8phC hdl=%x, loopid=%x portid=%02x%02x%02x "
 252                 "retries=%d.\n", fcport->port_name, sp->handle, fcport->loop_id,
 253             fcport->d_id.b.domain, fcport->d_id.b.area, fcport->d_id.b.al_pa,
 254             fcport->login_retry);
 255
 256         rval = qla2x00_start_sp(sp);
 257         if (rval != QLA_SUCCESS) {
 258                 fcport->flags |= FCF_LOGIN_NEEDED;
 259                 set_bit(RELOGIN_NEEDED, &vha->dpc_flags);
 260                 goto done_free_sp;
 261         }
 262
 263         return rval;
 264
 265 done_free_sp:
 266         sp->free(sp);
 267         fcport->flags &= ~FCF_ASYNC_SENT;
 268 done:
 269         fcport->flags &= ~FCF_ASYNC_ACTIVE;
 270         return rval;
 271 }
 272
 273 static void
 274 qla2x00_async_logout_sp_done(void *ptr, int res)
 275 {
 276         srb_t *sp = ptr;
 277
 278         sp->fcport->flags &= ~(FCF_ASYNC_SENT | FCF_ASYNC_ACTIVE);
 279         sp->fcport->login_gen++;
 280         qlt_logo_completion_handler(sp->fcport, res);
 281         sp->free(sp);
 282 }
 283
 284 int
 285 qla2x00_async_logout(struct scsi_qla_host *vha, fc_port_t *fcport)
 286 {
 287         srb_t *sp;
 288         struct srb_iocb *lio;
 289         int rval = QLA_FUNCTION_FAILED;
 290
 291         if (!vha->flags.online || (fcport->flags & FCF_ASYNC_SENT))
 292                 return rval;
 293
 294         fcport->flags |= FCF_ASYNC_SENT;
 295         sp = qla2x00_get_sp(vha, fcport, GFP_KERNEL);
 296         if (!sp)
 297                 goto done;
 298
 299         sp->type = SRB_LOGOUT_CMD;
 300         sp->name = "logout";
 301
 302         lio = &sp->u.iocb_cmd;
 303         lio->timeout = qla2x00_async_iocb_timeout;
 304         qla2x00_init_timer(sp, qla2x00_get_async_timeout(vha) + 2);
 305
 306         sp->done = qla2x00_async_logout_sp_done;
 307
 308         ql_dbg(ql_dbg_disc, vha, 0x2070,
 309             "Async-logout - hdl=%x loop-id=%x portid=%02x%02x%02x %8phC.\n",
 310             sp->handle, fcport->loop_id, fcport->d_id.b.domain,
 311                 fcport->d_id.b.area, fcport->d_id.b.al_pa,
 312                 fcport->port_name);
 313
 314         rval = qla2x00_start_sp(sp);
 315         if (rval != QLA_SUCCESS)
 316                 goto done_free_sp;
 317         return rval;
 318
 319 done_free_sp:
 320         sp->free(sp);
 321 done:
 322         fcport->flags &= ~(FCF_ASYNC_SENT | FCF_ASYNC_ACTIVE);
 323         return rval;
 324 }
 325
 326 void
 327 qla2x00_async_prlo_done(struct scsi_qla_host *vha, fc_port_t *fcport,
 328     uint16_t *data)
 329 {
 330         fcport->flags &= ~FCF_ASYNC_ACTIVE;
 331         /* Don't re-login in target mode */
 332         if (!fcport->tgt_session)
 333                 qla2x00_mark_device_lost(vha, fcport, 1, 0);
 334         qlt_logo_completion_handler(fcport, data[0]);
 335 }
 336
 337 static void
 338 qla2x00_async_prlo_sp_done(void *s, int res)
 339 {
 340         srb_t *sp = (srb_t *)s;
 341         struct srb_iocb *lio = &sp->u.iocb_cmd;
 342         struct scsi_qla_host *vha = sp->vha;
 343
 344         sp->fcport->flags &= ~FCF_ASYNC_ACTIVE;
 345         if (!test_bit(UNLOADING, &vha->dpc_flags))
 346                 qla2x00_post_async_prlo_done_work(sp->fcport->vha, sp->fcport,
 347                     lio->u.logio.data);
 348         sp->free(sp);
 349 }
 350
 351 int
 352 qla2x00_async_prlo(struct scsi_qla_host *vha, fc_port_t *fcport)
 353 {
 354         srb_t *sp;
 355         struct srb_iocb *lio;
 356         int rval;
 357
 358         rval = QLA_FUNCTION_FAILED;
 359         sp = qla2x00_get_sp(vha, fcport, GFP_KERNEL);
 360         if (!sp)
 361                 goto done;
 362
 363         sp->type = SRB_PRLO_CMD;
 364         sp->name = "prlo";
 365
 366         lio = &sp->u.iocb_cmd;
 367         lio->timeout = qla2x00_async_iocb_timeout;
 368         qla2x00_init_timer(sp, qla2x00_get_async_timeout(vha) + 2);
 369
 370         sp->done = qla2x00_async_prlo_sp_done;
 371         rval = qla2x00_start_sp(sp);
 372         if (rval != QLA_SUCCESS)
 373                 goto done_free_sp;
 374
 375         ql_dbg(ql_dbg_disc, vha, 0x2070,
 376             "Async-prlo - hdl=%x loop-id=%x portid=%02x%02x%02x.\n",
 377             sp->handle, fcport->loop_id, fcport->d_id.b.domain,
 378             fcport->d_id.b.area, fcport->d_id.b.al_pa);
 379         return rval;
 380
 381 done_free_sp:
 382         sp->free(sp);
 383 done:
 384         fcport->flags &= ~FCF_ASYNC_ACTIVE;
 385         return rval;
 386 }
 387
 388 static
 389 void qla24xx_handle_adisc_event(scsi_qla_host_t *vha, struct event_arg *ea)
 390 {
 391         struct fc_port *fcport = ea->fcport;
 392
 393         ql_dbg(ql_dbg_disc, vha, 0x20d2,
 394             "%s %8phC DS %d LS %d rc %d login %d|%d rscn %d|%d lid %d\n",
 395             __func__, fcport->port_name, fcport->disc_state,
 396             fcport->fw_login_state, ea->rc, fcport->login_gen, ea->sp->gen2,
 397             fcport->rscn_gen, ea->sp->gen1, fcport->loop_id);
 398
 399         if (ea->data[0] != MBS_COMMAND_COMPLETE) {
 400                 ql_dbg(ql_dbg_disc, vha, 0x2066,
 401                     "%s %8phC: adisc fail: post delete\n",
 402                     __func__, ea->fcport->port_name);
 403                 /* deleted = 0 & logout_on_delete = force fw cleanup */
 404                 fcport->deleted = 0;
 405                 fcport->logout_on_delete = 1;
 406                 qlt_schedule_sess_for_deletion(ea->fcport);
 407                 return;
 408         }
 409
 410         if (ea->fcport->disc_state == DSC_DELETE_PEND)
 411                 return;
 412
 413         if (ea->sp->gen2 != ea->fcport->login_gen) {
 414                 /* target side must have changed it. */
 415                 ql_dbg(ql_dbg_disc, vha, 0x20d3,
 416                     "%s %8phC generation changed\n",
 417                     __func__, ea->fcport->port_name);
 418                 return;
 419         } else if (ea->sp->gen1 != ea->fcport->rscn_gen) {
 420                 qla_rscn_replay(fcport);
 421                 qlt_schedule_sess_for_deletion(fcport);
 422                 return;
 423         }
 424
 425         __qla24xx_handle_gpdb_event(vha, ea);
 426 }
 427
 428 static int qla_post_els_plogi_work(struct scsi_qla_host *vha, fc_port_t *fcport)
 429 {
 430         struct qla_work_evt *e;
 431
 432         e = qla2x00_alloc_work(vha, QLA_EVT_ELS_PLOGI);
 433         if (!e)
 434                 return QLA_FUNCTION_FAILED;
 435
 436         e->u.fcport.fcport = fcport;
 437         fcport->flags |= FCF_ASYNC_ACTIVE;
 438         return qla2x00_post_work(vha, e);
 439 }
 440
 441 static void
 442 qla2x00_async_adisc_sp_done(void *ptr, int res)
 443 {
 444         srb_t *sp = ptr;
 445         struct scsi_qla_host *vha = sp->vha;
 446         struct event_arg ea;
 447         struct srb_iocb *lio = &sp->u.iocb_cmd;
 448
 449         ql_dbg(ql_dbg_disc, vha, 0x2066,
 450             "Async done-%s res %x %8phC\n",
 451             sp->name, res, sp->fcport->port_name);
 452
 453         sp->fcport->flags &= ~(FCF_ASYNC_SENT | FCF_ASYNC_ACTIVE);
 454
 455         memset(&ea, 0, sizeof(ea));
 456         ea.event = FCME_ADISC_DONE;
 457         ea.rc = res;
 458         ea.data[0] = lio->u.logio.data[0];
 459         ea.data[1] = lio->u.logio.data[1];
 460         ea.iop[0] = lio->u.logio.iop[0];
 461         ea.iop[1] = lio->u.logio.iop[1];
 462         ea.fcport = sp->fcport;
 463         ea.sp = sp;
 464
 465         qla2x00_fcport_event_handler(vha, &ea);
 466
 467         sp->free(sp);
 468 }
 469
 470 int
 471 qla2x00_async_adisc(struct scsi_qla_host *vha, fc_port_t *fcport,
 472     uint16_t *data)
 473 {
 474         srb_t *sp;
 475         struct srb_iocb *lio;
 476         int rval;
 477
 478         rval = QLA_FUNCTION_FAILED;
 479         fcport->flags |= FCF_ASYNC_SENT;
 480         sp = qla2x00_get_sp(vha, fcport, GFP_KERNEL);
 481         if (!sp)
 482                 goto done;
 483
 484         sp->type = SRB_ADISC_CMD;
 485         sp->name = "adisc";
 486
 487         lio = &sp->u.iocb_cmd;
 488         lio->timeout = qla2x00_async_iocb_timeout;
 489         sp->gen1 = fcport->rscn_gen;
 490         sp->gen2 = fcport->login_gen;
 491         qla2x00_init_timer(sp, qla2x00_get_async_timeout(vha) + 2);
 492
 493         sp->done = qla2x00_async_adisc_sp_done;
 494         if (data[1] & QLA_LOGIO_LOGIN_RETRIED)
 495                 lio->u.logio.flags |= SRB_LOGIN_RETRIED;
 496
 497         ql_dbg(ql_dbg_disc, vha, 0x206f,
 498             "Async-adisc - hdl=%x loopid=%x portid=%06x %8phC.\n",
 499             sp->handle, fcport->loop_id, fcport->d_id.b24, fcport->port_name);
 500
 501         rval = qla2x00_start_sp(sp);
 502         if (rval != QLA_SUCCESS)
 503                 goto done_free_sp;
 504
 505         return rval;
 506
 507 done_free_sp:
 508         sp->free(sp);
 509 done:
 510         fcport->flags &= ~(FCF_ASYNC_SENT | FCF_ASYNC_ACTIVE);
 511         qla2x00_post_async_adisc_work(vha, fcport, data);
 512         return rval;
 513 }
 514
 515 static void qla24xx_handle_gnl_done_event(scsi_qla_host_t *vha,
 516         struct event_arg *ea)
 517 {
 518         fc_port_t *fcport, *conflict_fcport;
 519         struct get_name_list_extended *e;
 520         u16 i, n, found = 0, loop_id;
 521         port_id_t id;
 522         u64 wwn;
 523         u16 data[2];
 524         u8 current_login_state;
 525
 526         fcport = ea->fcport;
 527         ql_dbg(ql_dbg_disc, vha, 0xffff,
 528             "%s %8phC DS %d LS rc %d %d login %d|%d rscn %d|%d lid %d\n",
 529             __func__, fcport->port_name, fcport->disc_state,
 530             fcport->fw_login_state, ea->rc,
 531             fcport->login_gen, fcport->last_login_gen,
 532             fcport->rscn_gen, fcport->last_rscn_gen, vha->loop_id);
 533
 534         if (fcport->disc_state == DSC_DELETE_PEND)
 535                 return;
 536
 537         if (ea->rc) { /* rval */
 538                 if (fcport->login_retry == 0) {
 539                         ql_dbg(ql_dbg_disc, vha, 0x20de,
 540                             "GNL failed Port login retry %8phN, retry cnt=%d.\n",
 541                             fcport->port_name, fcport->login_retry);
 542                 }
 543                 return;
 544         }
 545
 546         if (fcport->last_rscn_gen != fcport->rscn_gen) {
 547                 qla_rscn_replay(fcport);
 548                 qlt_schedule_sess_for_deletion(fcport);
 549                 return;
 550         } else if (fcport->last_login_gen != fcport->login_gen) {
 551                 ql_dbg(ql_dbg_disc, vha, 0x20e0,
 552                     "%s %8phC login gen changed\n",
 553                     __func__, fcport->port_name);
 554                 return;
 555         }
 556
 557         n = ea->data[0] / sizeof(struct get_name_list_extended);
 558
 559         ql_dbg(ql_dbg_disc, vha, 0x20e1,
 560             "%s %d %8phC n %d %02x%02x%02x lid %d \n",
 561             __func__, __LINE__, fcport->port_name, n,
 562             fcport->d_id.b.domain, fcport->d_id.b.area,
 563             fcport->d_id.b.al_pa, fcport->loop_id);
 564
 565         for (i = 0; i < n; i++) {
 566                 e = &vha->gnl.l[i];
 567                 wwn = wwn_to_u64(e->port_name);
 568                 id.b.domain = e->port_id[2];
 569                 id.b.area = e->port_id[1];
 570                 id.b.al_pa = e->port_id[0];
 571                 id.b.rsvd_1 = 0;
 572
 573                 if (memcmp((u8 *)&wwn, fcport->port_name, WWN_SIZE))
 574                         continue;
 575
 576                 if (IS_SW_RESV_ADDR(id))
 577                         continue;
 578
 579                 found = 1;
 580
 581                 loop_id = le16_to_cpu(e->nport_handle);
 582                 loop_id = (loop_id & 0x7fff);
 583                 if  (fcport->fc4f_nvme)
 584                         current_login_state = e->current_login_state >> 4;
 585                 else
 586                         current_login_state = e->current_login_state & 0xf;
 587
 588
 589                 ql_dbg(ql_dbg_disc, vha, 0x20e2,
 590                     "%s found %8phC CLS [%x|%x] nvme %d ID[%02x%02x%02x|%02x%02x%02x] lid[%d|%d]\n",
 591                     __func__, fcport->port_name,
 592                     e->current_login_state, fcport->fw_login_state,
 593                     fcport->fc4f_nvme, id.b.domain, id.b.area, id.b.al_pa,
 594                     fcport->d_id.b.domain, fcport->d_id.b.area,
 595                     fcport->d_id.b.al_pa, loop_id, fcport->loop_id);
 596
 597                 switch (fcport->disc_state) {
 598                 case DSC_DELETE_PEND:
 599                 case DSC_DELETED:
 600                         break;
 601                 default:
 602                         if ((id.b24 != fcport->d_id.b24 &&
 603                             fcport->d_id.b24) ||
 604                             (fcport->loop_id != FC_NO_LOOP_ID &&
 605                                 fcport->loop_id != loop_id)) {
 606                                 ql_dbg(ql_dbg_disc, vha, 0x20e3,
 607                                     "%s %d %8phC post del sess\n",
 608                                     __func__, __LINE__, fcport->port_name);
 609                                 qlt_schedule_sess_for_deletion(fcport);
 610                                 return;
 611                         }
 612                         break;
 613                 }
 614
 615                 fcport->loop_id = loop_id;
 616
 617                 wwn = wwn_to_u64(fcport->port_name);
 618                 qlt_find_sess_invalidate_other(vha, wwn,
 619                         id, loop_id, &conflict_fcport);
 620
 621                 if (conflict_fcport) {
 622                         /*
 623                          * Another share fcport share the same loop_id &
 624                          * nport id. Conflict fcport needs to finish
 625                          * cleanup before this fcport can proceed to login.
 626                          */
 627                         conflict_fcport->conflict = fcport;
 628                         fcport->login_pause = 1;
 629                 }
 630
 631                 switch (vha->hw->current_topology) {
 632                 default:
 633                         switch (current_login_state) {
 634                         case DSC_LS_PRLI_COMP:
 635                                 ql_dbg(ql_dbg_disc + ql_dbg_verbose,
 636                                     vha, 0x20e4, "%s %d %8phC post gpdb\n",
 637                                     __func__, __LINE__, fcport->port_name);
 638
 639                                 if ((e->prli_svc_param_word_3[0] & BIT_4) == 0)
 640                                         fcport->port_type = FCT_INITIATOR;
 641                                 else
 642                                         fcport->port_type = FCT_TARGET;
 643                                 data[0] = data[1] = 0;
 644                                 qla2x00_post_async_adisc_work(vha, fcport,
 645                                     data);
 646                                 break;
 647                         case DSC_LS_PORT_UNAVAIL:
 648                         default:
 649                                 if (fcport->loop_id != FC_NO_LOOP_ID)
 650                                         qla2x00_clear_loop_id(fcport);
 651
 652                                 fcport->loop_id = loop_id;
 653                                 fcport->fw_login_state = DSC_LS_PORT_UNAVAIL;
 654                                 qla24xx_fcport_handle_login(vha, fcport);
 655                                 break;
 656                         }
 657                         break;
 658                 case ISP_CFG_N:
 659                         fcport->fw_login_state = current_login_state;
 660                         fcport->d_id = id;
 661                         switch (current_login_state) {
 662                         case DSC_LS_PRLI_COMP:
 663                                 if ((e->prli_svc_param_word_3[0] & BIT_4) == 0)
 664                                         fcport->port_type = FCT_INITIATOR;
 665                                 else
 666                                         fcport->port_type = FCT_TARGET;
 667
 668                                 data[0] = data[1] = 0;
 669                                 qla2x00_post_async_adisc_work(vha, fcport,
 670                                     data);
 671                                 break;
 672                         case DSC_LS_PLOGI_COMP:
 673                                 if (fcport_is_bigger(fcport)) {
 674                                         /* local adapter is smaller */
 675                                         if (fcport->loop_id != FC_NO_LOOP_ID)
 676                                                 qla2x00_clear_loop_id(fcport);
 677
 678                                         fcport->loop_id = loop_id;
 679                                         qla24xx_fcport_handle_login(vha,
 680                                             fcport);
 681                                         break;
 682                                 }
 683                                 /* fall through */
 684                         default:
 685                                 if (fcport_is_smaller(fcport)) {
 686                                         /* local adapter is bigger */
 687                                         if (fcport->loop_id != FC_NO_LOOP_ID)
 688                                                 qla2x00_clear_loop_id(fcport);
 689
 690                                         fcport->loop_id = loop_id;
 691                                         qla24xx_fcport_handle_login(vha,
 692                                             fcport);
 693                                 }
 694                                 break;
 695                         }
 696                         break;
 697                 } /* switch (ha->current_topology) */
 698         }
 699
 700         if (!found) {
 701                 switch (vha->hw->current_topology) {
 702                 case ISP_CFG_F:
 703                 case ISP_CFG_FL:
 704                         for (i = 0; i < n; i++) {
 705                                 e = &vha->gnl.l[i];
 706                                 id.b.domain = e->port_id[0];
 707                                 id.b.area = e->port_id[1];
 708                                 id.b.al_pa = e->port_id[2];
 709                                 id.b.rsvd_1 = 0;
 710                                 loop_id = le16_to_cpu(e->nport_handle);
 711
 712                                 if (fcport->d_id.b24 == id.b24) {
 713                                         conflict_fcport =
 714                                             qla2x00_find_fcport_by_wwpn(vha,
 715                                                 e->port_name, 0);
 716                                         if (conflict_fcport) {
 717                                                 ql_dbg(ql_dbg_disc + ql_dbg_verbose,
 718                                                     vha, 0x20e5,
 719                                                     "%s %d %8phC post del sess\n",
 720                                                     __func__, __LINE__,
 721                                                     conflict_fcport->port_name);
 722                                                 qlt_schedule_sess_for_deletion
 723                                                         (conflict_fcport);
 724                                         }
 725                                 }
 726                                 /*
 727                                  * FW already picked this loop id for
 728                                  * another fcport
 729                                  */
 730                                 if (fcport->loop_id == loop_id)
 731                                         fcport->loop_id = FC_NO_LOOP_ID;
 732                         }
 733                         qla24xx_fcport_handle_login(vha, fcport);
 734                         break;
 735                 case ISP_CFG_N:
 736                         fcport->disc_state = DSC_DELETED;
 737                         if (time_after_eq(jiffies, fcport->dm_login_expire)) {
 738                                 if (fcport->n2n_link_reset_cnt < 2) {
 739                                         fcport->n2n_link_reset_cnt++;
 740                                         /*
 741                                          * remote port is not sending PLOGI.
 742                                          * Reset link to kick start his state
 743                                          * machine
 744                                          */
 745                                         set_bit(N2N_LINK_RESET,
 746                                             &vha->dpc_flags);
 747                                 } else {
 748                                         if (fcport->n2n_chip_reset < 1) {
 749                                                 ql_log(ql_log_info, vha, 0x705d,
 750                                                     "Chip reset to bring laser down");
 751                                                 set_bit(ISP_ABORT_NEEDED,
 752                                                     &vha->dpc_flags);
 753                                                 fcport->n2n_chip_reset++;
 754                                         } else {
 755                                                 ql_log(ql_log_info, vha, 0x705d,
 756                                                     "Remote port %8ph is not coming back\n",
 757                                                     fcport->port_name);
 758                                                 fcport->scan_state = 0;
 759                                         }
 760                                 }
 761                                 qla2xxx_wake_dpc(vha);
 762                         } else {
 763                                 /*
 764                                  * report port suppose to do PLOGI. Give him
 765                                  * more time. FW will catch it.
 766                                  */
 767                                 set_bit(RELOGIN_NEEDED, &vha->dpc_flags);
 768                         }
 769                         break;
 770                 default:
 771                         break;
 772                 }
 773         }
 774 } /* gnl_event */
 775
 776 static void
 777 qla24xx_async_gnl_sp_done(void *s, int res)
 778 {
 779         struct srb *sp = s;
 780         struct scsi_qla_host *vha = sp->vha;
 781         unsigned long flags;
 782         struct fc_port *fcport = NULL, *tf;
 783         u16 i, n = 0, loop_id;
 784         struct event_arg ea;
 785         struct get_name_list_extended *e;
 786         u64 wwn;
 787         struct list_head h;
 788         bool found = false;
 789
 790         ql_dbg(ql_dbg_disc, vha, 0x20e7,
 791             "Async done-%s res %x mb[1]=%x mb[2]=%x \n",
 792             sp->name, res, sp->u.iocb_cmd.u.mbx.in_mb[1],
 793             sp->u.iocb_cmd.u.mbx.in_mb[2]);
 794
 795         if (res == QLA_FUNCTION_TIMEOUT)
 796                 return;
 797
 798         sp->fcport->flags &= ~(FCF_ASYNC_SENT|FCF_ASYNC_ACTIVE);
 799         memset(&ea, 0, sizeof(ea));
 800         ea.sp = sp;
 801         ea.rc = res;
 802         ea.event = FCME_GNL_DONE;
 803
 804         if (sp->u.iocb_cmd.u.mbx.in_mb[1] >=
 805             sizeof(struct get_name_list_extended)) {
 806                 n = sp->u.iocb_cmd.u.mbx.in_mb[1] /
 807                     sizeof(struct get_name_list_extended);
 808                 ea.data[0] = sp->u.iocb_cmd.u.mbx.in_mb[1]; /* amnt xfered */
 809         }
 810
 811         for (i = 0; i < n; i++) {
 812                 e = &vha->gnl.l[i];
 813                 loop_id = le16_to_cpu(e->nport_handle);
 814                 /* mask out reserve bit */
 815                 loop_id = (loop_id & 0x7fff);
 816                 set_bit(loop_id, vha->hw->loop_id_map);
 817                 wwn = wwn_to_u64(e->port_name);
 818
 819                 ql_dbg(ql_dbg_disc + ql_dbg_verbose, vha, 0x20e8,
 820                     "%s %8phC %02x:%02x:%02x state %d/%d lid %x \n",
 821                     __func__, (void *)&wwn, e->port_id[2], e->port_id[1],
 822                     e->port_id[0], e->current_login_state, e->last_login_state,
 823                     (loop_id & 0x7fff));
 824         }
 825
 826         spin_lock_irqsave(&vha->hw->tgt.sess_lock, flags);
 827
 828         INIT_LIST_HEAD(&h);
 829         fcport = tf = NULL;
 830         if (!list_empty(&vha->gnl.fcports))
 831                 list_splice_init(&vha->gnl.fcports, &h);
 832         spin_unlock_irqrestore(&vha->hw->tgt.sess_lock, flags);
 833
 834         list_for_each_entry_safe(fcport, tf, &h, gnl_entry) {
 835                 list_del_init(&fcport->gnl_entry);
 836                 spin_lock_irqsave(&vha->hw->tgt.sess_lock, flags);
 837                 fcport->flags &= ~(FCF_ASYNC_SENT | FCF_ASYNC_ACTIVE);
 838                 spin_unlock_irqrestore(&vha->hw->tgt.sess_lock, flags);
 839                 ea.fcport = fcport;
 840
 841                 qla2x00_fcport_event_handler(vha, &ea);
 842         }
 843
 844         /* create new fcport if fw has knowledge of new sessions */
 845         for (i = 0; i < n; i++) {
 846                 port_id_t id;
 847                 u64 wwnn;
 848
 849                 e = &vha->gnl.l[i];
 850                 wwn = wwn_to_u64(e->port_name);
 851
 852                 found = false;
 853                 list_for_each_entry_safe(fcport, tf, &vha->vp_fcports, list) {
 854                         if (!memcmp((u8 *)&wwn, fcport->port_name,
 855                             WWN_SIZE)) {
 856                                 found = true;
 857                                 break;
 858                         }
 859                 }
 860
 861                 id.b.domain = e->port_id[2];
 862                 id.b.area = e->port_id[1];
 863                 id.b.al_pa = e->port_id[0];
 864                 id.b.rsvd_1 = 0;
 865
 866                 if (!found && wwn && !IS_SW_RESV_ADDR(id)) {
 867                         ql_dbg(ql_dbg_disc, vha, 0x2065,
 868                             "%s %d %8phC %06x post new sess\n",
 869                             __func__, __LINE__, (u8 *)&wwn, id.b24);
 870                         wwnn = wwn_to_u64(e->node_name);
 871                         qla24xx_post_newsess_work(vha, &id, (u8 *)&wwn,
 872                             (u8 *)&wwnn, NULL, FC4_TYPE_UNKNOWN);
 873                 }
 874         }
 875
 876         spin_lock_irqsave(&vha->hw->tgt.sess_lock, flags);
 877         vha->gnl.sent = 0;
 878         spin_unlock_irqrestore(&vha->hw->tgt.sess_lock, flags);
 879
 880         sp->free(sp);
 881 }
 882
 883 int qla24xx_async_gnl(struct scsi_qla_host *vha, fc_port_t *fcport)
 884 {
 885         srb_t *sp;
 886         struct srb_iocb *mbx;
 887         int rval = QLA_FUNCTION_FAILED;
 888         unsigned long flags;
 889         u16 *mb;
 890
 891         if (!vha->flags.online || (fcport->flags & FCF_ASYNC_SENT))
 892                 return rval;
 893
 894         ql_dbg(ql_dbg_disc, vha, 0x20d9,
 895             "Async-gnlist WWPN %8phC \n", fcport->port_name);
 896
 897         spin_lock_irqsave(&vha->hw->tgt.sess_lock, flags);
 898         fcport->flags |= FCF_ASYNC_SENT;
 899         fcport->disc_state = DSC_GNL;
 900         fcport->last_rscn_gen = fcport->rscn_gen;
 901         fcport->last_login_gen = fcport->login_gen;
 902
 903         list_add_tail(&fcport->gnl_entry, &vha->gnl.fcports);
 904         if (vha->gnl.sent) {
 905                 spin_unlock_irqrestore(&vha->hw->tgt.sess_lock, flags);
 906                 return QLA_SUCCESS;
 907         }
 908         vha->gnl.sent = 1;
 909         spin_unlock_irqrestore(&vha->hw->tgt.sess_lock, flags);
 910
 911         sp = qla2x00_get_sp(vha, fcport, GFP_KERNEL);
 912         if (!sp)
 913                 goto done;
 914
 915         sp->type = SRB_MB_IOCB;
 916         sp->name = "gnlist";
 917         sp->gen1 = fcport->rscn_gen;
 918         sp->gen2 = fcport->login_gen;
 919
 920         mbx = &sp->u.iocb_cmd;
 921         mbx->timeout = qla2x00_async_iocb_timeout;
 922         qla2x00_init_timer(sp, qla2x00_get_async_timeout(vha)+2);
 923
 924         mb = sp->u.iocb_cmd.u.mbx.out_mb;
 925         mb[0] = MBC_PORT_NODE_NAME_LIST;
 926         mb[1] = BIT_2 | BIT_3;
 927         mb[2] = MSW(vha->gnl.ldma);
 928         mb[3] = LSW(vha->gnl.ldma);
 929         mb[6] = MSW(MSD(vha->gnl.ldma));
 930         mb[7] = LSW(MSD(vha->gnl.ldma));
 931         mb[8] = vha->gnl.size;
 932         mb[9] = vha->vp_idx;
 933
 934         sp->done = qla24xx_async_gnl_sp_done;
 935
 936         rval = qla2x00_start_sp(sp);
 937         if (rval != QLA_SUCCESS)
 938                 goto done_free_sp;
 939
 940         ql_dbg(ql_dbg_disc, vha, 0x20da,
 941             "Async-%s - OUT WWPN %8phC hndl %x\n",
 942             sp->name, fcport->port_name, sp->handle);
 943
 944         return rval;
 945
 946 done_free_sp:
 947         sp->free(sp);
 948         fcport->flags &= ~FCF_ASYNC_SENT;
 949 done:
 950         return rval;
 951 }
 952
 953 int qla24xx_post_gnl_work(struct scsi_qla_host *vha, fc_port_t *fcport)
 954 {
 955         struct qla_work_evt *e;
 956
 957         e = qla2x00_alloc_work(vha, QLA_EVT_GNL);
 958         if (!e)
 959                 return QLA_FUNCTION_FAILED;
 960
 961         e->u.fcport.fcport = fcport;
 962         fcport->flags |= FCF_ASYNC_ACTIVE;
 963         return qla2x00_post_work(vha, e);
 964 }
 965
 966 static
 967 void qla24xx_async_gpdb_sp_done(void *s, int res)
 968 {
 969         struct srb *sp = s;
 970         struct scsi_qla_host *vha = sp->vha;
 971         struct qla_hw_data *ha = vha->hw;
 972         fc_port_t *fcport = sp->fcport;
 973         u16 *mb = sp->u.iocb_cmd.u.mbx.in_mb;
 974         struct event_arg ea;
 975
 976         ql_dbg(ql_dbg_disc, vha, 0x20db,
 977             "Async done-%s res %x, WWPN %8phC mb[1]=%x mb[2]=%x \n",
 978             sp->name, res, fcport->port_name, mb[1], mb[2]);
 979
 980         if (res == QLA_FUNCTION_TIMEOUT) {
 981                 dma_pool_free(sp->vha->hw->s_dma_pool, sp->u.iocb_cmd.u.mbx.in,
 982                         sp->u.iocb_cmd.u.mbx.in_dma);
 983                 return;
 984         }
 985
 986         fcport->flags &= ~(FCF_ASYNC_SENT | FCF_ASYNC_ACTIVE);
 987         memset(&ea, 0, sizeof(ea));
 988         ea.event = FCME_GPDB_DONE;
 989         ea.fcport = fcport;
 990         ea.sp = sp;
 991
 992         qla2x00_fcport_event_handler(vha, &ea);
 993
 994         dma_pool_free(ha->s_dma_pool, sp->u.iocb_cmd.u.mbx.in,
 995                 sp->u.iocb_cmd.u.mbx.in_dma);
 996
 997         sp->free(sp);
 998 }
 999
1000 static int qla24xx_post_prli_work(struct scsi_qla_host *vha, fc_port_t *fcport)
1001 {
1002         struct qla_work_evt *e;
1003
1004         e = qla2x00_alloc_work(vha, QLA_EVT_PRLI);
1005         if (!e)
1006                 return QLA_FUNCTION_FAILED;
1007
1008         e->u.fcport.fcport = fcport;
1009
1010         return qla2x00_post_work(vha, e);
1011 }
1012
1013 static void
1014 qla2x00_async_prli_sp_done(void *ptr, int res)
1015 {
1016         srb_t *sp = ptr;
1017         struct scsi_qla_host *vha = sp->vha;
1018         struct srb_iocb *lio = &sp->u.iocb_cmd;
1019         struct event_arg ea;
1020
1021         ql_dbg(ql_dbg_disc, vha, 0x2129,
1022             "%s %8phC res %d \n", __func__,
1023             sp->fcport->port_name, res);
1024
1025         sp->fcport->flags &= ~FCF_ASYNC_SENT;
1026
1027         if (!test_bit(UNLOADING, &vha->dpc_flags)) {
1028                 memset(&ea, 0, sizeof(ea));
1029                 ea.event = FCME_PRLI_DONE;
1030                 ea.fcport = sp->fcport;
1031                 ea.data[0] = lio->u.logio.data[0];
1032                 ea.data[1] = lio->u.logio.data[1];
1033                 ea.iop[0] = lio->u.logio.iop[0];
1034                 ea.iop[1] = lio->u.logio.iop[1];
1035                 ea.sp = sp;
1036
1037                 qla2x00_fcport_event_handler(vha, &ea);
1038         }
1039
1040         sp->free(sp);
1041 }
1042
1043 int
1044 qla24xx_async_prli(struct scsi_qla_host *vha, fc_port_t *fcport)
1045 {
1046         srb_t *sp;
1047         struct srb_iocb *lio;
1048         int rval = QLA_FUNCTION_FAILED;
1049
1050         if (!vha->flags.online)
1051                 return rval;
1052
1053         if (fcport->fw_login_state == DSC_LS_PLOGI_PEND ||
1054             fcport->fw_login_state == DSC_LS_PRLI_PEND)
1055                 return rval;
1056
1057         sp = qla2x00_get_sp(vha, fcport, GFP_KERNEL);
1058         if (!sp)
1059                 return rval;
1060
1061         fcport->flags |= FCF_ASYNC_SENT;
1062         fcport->logout_completed = 0;
1063
1064         sp->type = SRB_PRLI_CMD;
1065         sp->name = "prli";
1066
1067         lio = &sp->u.iocb_cmd;
1068         lio->timeout = qla2x00_async_iocb_timeout;
1069         qla2x00_init_timer(sp, qla2x00_get_async_timeout(vha) + 2);
1070
1071         sp->done = qla2x00_async_prli_sp_done;
1072         lio->u.logio.flags = 0;
1073
1074         if  (fcport->fc4f_nvme)
1075                 lio->u.logio.flags |= SRB_LOGIN_NVME_PRLI;
1076
1077         rval = qla2x00_start_sp(sp);
1078         if (rval != QLA_SUCCESS) {
1079                 fcport->flags |= FCF_LOGIN_NEEDED;
1080                 set_bit(RELOGIN_NEEDED, &vha->dpc_flags);
1081                 goto done_free_sp;
1082         }
1083
1084         ql_dbg(ql_dbg_disc, vha, 0x211b,
1085             "Async-prli - %8phC hdl=%x, loopid=%x portid=%06x retries=%d %s.\n",
1086             fcport->port_name, sp->handle, fcport->loop_id, fcport->d_id.b24,
1087             fcport->login_retry, fcport->fc4f_nvme ? "nvme" : "fc");
1088
1089         return rval;
1090
1091 done_free_sp:
1092         sp->free(sp);
1093         fcport->flags &= ~FCF_ASYNC_SENT;
1094         return rval;
1095 }
1096
1097 int qla24xx_post_gpdb_work(struct scsi_qla_host *vha, fc_port_t *fcport, u8 opt)
1098 {
1099         struct qla_work_evt *e;
1100
1101         e = qla2x00_alloc_work(vha, QLA_EVT_GPDB);
1102         if (!e)
1103                 return QLA_FUNCTION_FAILED;
1104
1105         e->u.fcport.fcport = fcport;
1106         e->u.fcport.opt = opt;
1107         fcport->flags |= FCF_ASYNC_ACTIVE;
1108         return qla2x00_post_work(vha, e);
1109 }
1110
1111 int qla24xx_async_gpdb(struct scsi_qla_host *vha, fc_port_t *fcport, u8 opt)
1112 {
1113         srb_t *sp;
1114         struct srb_iocb *mbx;
1115         int rval = QLA_FUNCTION_FAILED;
1116         u16 *mb;
1117         dma_addr_t pd_dma;
1118         struct port_database_24xx *pd;
1119         struct qla_hw_data *ha = vha->hw;
1120
1121         if (!vha->flags.online || (fcport->flags & FCF_ASYNC_SENT))
1122                 return rval;
1123
1124         fcport->disc_state = DSC_GPDB;
1125
1126         sp = qla2x00_get_sp(vha, fcport, GFP_KERNEL);
1127         if (!sp)
1128                 goto done;
1129
1130         fcport->flags |= FCF_ASYNC_SENT;
1131         sp->type = SRB_MB_IOCB;
1132         sp->name = "gpdb";
1133         sp->gen1 = fcport->rscn_gen;
1134         sp->gen2 = fcport->login_gen;
1135
1136         mbx = &sp->u.iocb_cmd;
1137         mbx->timeout = qla2x00_async_iocb_timeout;
1138         qla2x00_init_timer(sp, qla2x00_get_async_timeout(vha) + 2);
1139
1140         pd = dma_pool_zalloc(ha->s_dma_pool, GFP_KERNEL, &pd_dma);
1141         if (pd == NULL) {
1142                 ql_log(ql_log_warn, vha, 0xd043,
1143                     "Failed to allocate port database structure.\n");
1144                 goto done_free_sp;
1145         }
1146
1147         mb = sp->u.iocb_cmd.u.mbx.out_mb;
1148         mb[0] = MBC_GET_PORT_DATABASE;
1149         mb[1] = fcport->loop_id;
1150         mb[2] = MSW(pd_dma);
1151         mb[3] = LSW(pd_dma);
1152         mb[6] = MSW(MSD(pd_dma));
1153         mb[7] = LSW(MSD(pd_dma));
1154         mb[9] = vha->vp_idx;
1155         mb[10] = opt;
1156
1157         mbx->u.mbx.in = (void *)pd;
1158         mbx->u.mbx.in_dma = pd_dma;
1159
1160         sp->done = qla24xx_async_gpdb_sp_done;
1161
1162         ql_dbg(ql_dbg_disc, vha, 0x20dc,
1163             "Async-%s %8phC hndl %x opt %x\n",
1164             sp->name, fcport->port_name, sp->handle, opt);
1165
1166         rval = qla2x00_start_sp(sp);
1167         if (rval != QLA_SUCCESS)
1168                 goto done_free_sp;
1169         return rval;
1170
1171 done_free_sp:
1172         if (pd)
1173                 dma_pool_free(ha->s_dma_pool, pd, pd_dma);
1174
1175         sp->free(sp);
1176         fcport->flags &= ~FCF_ASYNC_SENT;
1177 done:
1178         qla24xx_post_gpdb_work(vha, fcport, opt);
1179         return rval;
1180 }
1181
1182 static
1183 void __qla24xx_handle_gpdb_event(scsi_qla_host_t *vha, struct event_arg *ea)
1184 {
1185         unsigned long flags;
1186
1187         spin_lock_irqsave(&vha->hw->tgt.sess_lock, flags);
1188         ea->fcport->login_gen++;
1189         ea->fcport->deleted = 0;
1190         ea->fcport->logout_on_delete = 1;
1191
1192         if (!ea->fcport->login_succ && !IS_SW_RESV_ADDR(ea->fcport->d_id)) {
1193                 vha->fcport_count++;
1194                 ea->fcport->login_succ = 1;
1195
1196                 spin_unlock_irqrestore(&vha->hw->tgt.sess_lock, flags);
1197                 qla24xx_sched_upd_fcport(ea->fcport);
1198                 spin_lock_irqsave(&vha->hw->tgt.sess_lock, flags);
1199         } else if (ea->fcport->login_succ) {
1200                 /*
1201                  * We have an existing session. A late RSCN delivery
1202                  * must have triggered the session to be re-validate.
1203                  * Session is still valid.
1204                  */
1205                 ql_dbg(ql_dbg_disc, vha, 0x20d6,
1206                     "%s %d %8phC session revalidate success\n",
1207                     __func__, __LINE__, ea->fcport->port_name);
1208                 ea->fcport->disc_state = DSC_LOGIN_COMPLETE;
1209         }
1210         spin_unlock_irqrestore(&vha->hw->tgt.sess_lock, flags);
1211 }
1212
1213 static
1214 void qla24xx_handle_gpdb_event(scsi_qla_host_t *vha, struct event_arg *ea)
1215 {
1216         fc_port_t *fcport = ea->fcport;
1217         struct port_database_24xx *pd;
1218         struct srb *sp = ea->sp;
1219         uint8_t ls;
1220
1221         pd = (struct port_database_24xx *)sp->u.iocb_cmd.u.mbx.in;
1222
1223         fcport->flags &= ~FCF_ASYNC_SENT;
1224
1225         ql_dbg(ql_dbg_disc, vha, 0x20d2,
1226             "%s %8phC DS %d LS %d nvme %x rc %d\n", __func__, fcport->port_name,
1227             fcport->disc_state, pd->current_login_state, fcport->fc4f_nvme,
1228             ea->rc);
1229
1230         if (fcport->disc_state == DSC_DELETE_PEND)
1231                 return;
1232
1233         if (fcport->fc4f_nvme)
1234                 ls = pd->current_login_state >> 4;
1235         else
1236                 ls = pd->current_login_state & 0xf;
1237
1238         if (ea->sp->gen2 != fcport->login_gen) {
1239                 /* target side must have changed it. */
1240
1241                 ql_dbg(ql_dbg_disc, vha, 0x20d3,
1242                     "%s %8phC generation changed\n",
1243                     __func__, fcport->port_name);
1244                 return;
1245         } else if (ea->sp->gen1 != fcport->rscn_gen) {
1246                 qla_rscn_replay(fcport);
1247                 qlt_schedule_sess_for_deletion(fcport);
1248                 return;
1249         }
1250
1251         switch (ls) {
1252         case PDS_PRLI_COMPLETE:
1253                 __qla24xx_parse_gpdb(vha, fcport, pd);
1254                 break;
1255         case PDS_PLOGI_PENDING:
1256         case PDS_PLOGI_COMPLETE:
1257         case PDS_PRLI_PENDING:
1258         case PDS_PRLI2_PENDING:
1259                 /* Set discovery state back to GNL to Relogin attempt */
1260                 if (qla_dual_mode_enabled(vha) ||
1261                     qla_ini_mode_enabled(vha)) {
1262                         fcport->disc_state = DSC_GNL;
1263                         set_bit(RELOGIN_NEEDED, &vha->dpc_flags);
1264                 }
1265                 return;
1266         case PDS_LOGO_PENDING:
1267         case PDS_PORT_UNAVAILABLE:
1268         default:
1269                 ql_dbg(ql_dbg_disc, vha, 0x20d5, "%s %d %8phC post del sess\n",
1270                     __func__, __LINE__, fcport->port_name);
1271                 qlt_schedule_sess_for_deletion(fcport);
1272                 return;
1273         }
1274         __qla24xx_handle_gpdb_event(vha, ea);
1275 } /* gpdb event */
1276
1277 static void qla_chk_n2n_b4_login(struct scsi_qla_host *vha, fc_port_t *fcport)
1278 {
1279         u8 login = 0;
1280         int rc;
1281
1282         if (qla_tgt_mode_enabled(vha))
1283                 return;
1284
1285         if (qla_dual_mode_enabled(vha)) {
1286                 if (N2N_TOPO(vha->hw)) {
1287                         u64 mywwn, wwn;
1288
1289                         mywwn = wwn_to_u64(vha->port_name);
1290                         wwn = wwn_to_u64(fcport->port_name);
1291                         if (mywwn > wwn)
1292                                 login = 1;
1293                         else if ((fcport->fw_login_state == DSC_LS_PLOGI_COMP)
1294                             && time_after_eq(jiffies,
1295                                     fcport->plogi_nack_done_deadline))
1296                                 login = 1;
1297                 } else {
1298                         login = 1;
1299                 }
1300         } else {
1301                 /* initiator mode */
1302                 login = 1;
1303         }
1304
1305         if (login && fcport->login_retry) {
1306                 fcport->login_retry--;
1307                 if (fcport->loop_id == FC_NO_LOOP_ID) {
1308                         fcport->fw_login_state = DSC_LS_PORT_UNAVAIL;
1309                         rc = qla2x00_find_new_loop_id(vha, fcport);
1310                         if (rc) {
1311                                 ql_dbg(ql_dbg_disc, vha, 0x20e6,
1312                                     "%s %d %8phC post del sess - out of loopid\n",
1313                                     __func__, __LINE__, fcport->port_name);
1314                                 fcport->scan_state = 0;
1315                                 qlt_schedule_sess_for_deletion(fcport);
1316                                 return;
1317                         }
1318                 }
1319                 ql_dbg(ql_dbg_disc, vha, 0x20bf,
1320                     "%s %d %8phC post login\n",
1321                     __func__, __LINE__, fcport->port_name);
1322                 qla2x00_post_async_login_work(vha, fcport, NULL);
1323         }
1324 }
1325
1326 int qla24xx_fcport_handle_login(struct scsi_qla_host *vha, fc_port_t *fcport)
1327 {
1328         u16 data[2];
1329         u64 wwn;
1330         u16 sec;
1331
1332         ql_dbg(ql_dbg_disc + ql_dbg_verbose, vha, 0x20d8,
1333             "%s %8phC DS %d LS %d P %d fl %x confl %p rscn %d|%d login %d lid %d scan %d\n",
1334             __func__, fcport->port_name, fcport->disc_state,
1335             fcport->fw_login_state, fcport->login_pause, fcport->flags,
1336             fcport->conflict, fcport->last_rscn_gen, fcport->rscn_gen,
1337             fcport->login_gen, fcport->loop_id, fcport->scan_state);
1338
1339         if (fcport->scan_state != QLA_FCPORT_FOUND)
1340                 return 0;
1341
1342         if ((fcport->loop_id != FC_NO_LOOP_ID) &&
1343             ((fcport->fw_login_state == DSC_LS_PLOGI_PEND) ||
1344              (fcport->fw_login_state == DSC_LS_PRLI_PEND)))
1345                 return 0;
1346
1347         if (fcport->fw_login_state == DSC_LS_PLOGI_COMP) {
1348                 if (time_before_eq(jiffies, fcport->plogi_nack_done_deadline)) {
1349                         set_bit(RELOGIN_NEEDED, &vha->dpc_flags);
1350                         return 0;
1351                 }
1352         }
1353
1354         /* for pure Target Mode. Login will not be initiated */
1355         if (vha->host->active_mode == MODE_TARGET)
1356                 return 0;
1357
1358         if (fcport->flags & FCF_ASYNC_SENT) {
1359                 set_bit(RELOGIN_NEEDED, &vha->dpc_flags);
1360                 return 0;
1361         }
1362
1363         switch (fcport->disc_state) {
1364         case DSC_DELETED:
1365                 wwn = wwn_to_u64(fcport->node_name);
1366                 switch (vha->hw->current_topology) {
1367                 case ISP_CFG_N:
1368                         if (fcport_is_smaller(fcport)) {
1369                                 /* this adapter is bigger */
1370                                 if (fcport->login_retry) {
1371                                         if (fcport->loop_id == FC_NO_LOOP_ID) {
1372                                                 qla2x00_find_new_loop_id(vha,
1373                                                     fcport);
1374                                                 fcport->fw_login_state =
1375                                                     DSC_LS_PORT_UNAVAIL;
1376                                         }
1377                                         fcport->login_retry--;
1378                                         qla_post_els_plogi_work(vha, fcport);
1379                                 } else {
1380                                         ql_log(ql_log_info, vha, 0x705d,
1381                                             "Unable to reach remote port %8phC",
1382                                             fcport->port_name);
1383                                 }
1384                         } else {
1385                                 qla24xx_post_gnl_work(vha, fcport);
1386                         }
1387                         break;
1388                 default:
1389                         if (wwn == 0)    {
1390                                 ql_dbg(ql_dbg_disc, vha, 0xffff,
1391                                     "%s %d %8phC post GNNID\n",
1392                                     __func__, __LINE__, fcport->port_name);
1393                                 qla24xx_post_gnnid_work(vha, fcport);
1394                         } else if (fcport->loop_id == FC_NO_LOOP_ID) {
1395                                 ql_dbg(ql_dbg_disc, vha, 0x20bd,
1396                                     "%s %d %8phC post gnl\n",
1397                                     __func__, __LINE__, fcport->port_name);
1398                                 qla24xx_post_gnl_work(vha, fcport);
1399                         } else {
1400                                 qla_chk_n2n_b4_login(vha, fcport);
1401                         }
1402                         break;
1403                 }
1404                 break;
1405
1406         case DSC_GNL:
1407                 switch (vha->hw->current_topology) {
1408                 case ISP_CFG_N:
1409                         if ((fcport->current_login_state & 0xf) == 0x6) {
1410                                 ql_dbg(ql_dbg_disc, vha, 0x2118,
1411                                     "%s %d %8phC post GPDB work\n",
1412                                     __func__, __LINE__, fcport->port_name);
1413                                 fcport->chip_reset =
1414                                         vha->hw->base_qpair->chip_reset;
1415                                 qla24xx_post_gpdb_work(vha, fcport, 0);
1416                         }  else {
1417                                 ql_dbg(ql_dbg_disc, vha, 0x2118,
1418                                     "%s %d %8phC post NVMe PRLI\n",
1419                                     __func__, __LINE__, fcport->port_name);
1420                                 qla24xx_post_prli_work(vha, fcport);
1421                         }
1422                         break;
1423                 default:
1424                         if (fcport->login_pause) {
1425                                 fcport->last_rscn_gen = fcport->rscn_gen;
1426                                 fcport->last_login_gen = fcport->login_gen;
1427                                 set_bit(RELOGIN_NEEDED, &vha->dpc_flags);
1428                                 break;
1429                         }
1430                         qla_chk_n2n_b4_login(vha, fcport);
1431                         break;
1432                 }
1433                 break;
1434
1435         case DSC_LOGIN_FAILED:
1436                 if (N2N_TOPO(vha->hw))
1437                         qla_chk_n2n_b4_login(vha, fcport);
1438                 else
1439                         qlt_schedule_sess_for_deletion(fcport);
1440                 break;
1441
1442         case DSC_LOGIN_COMPLETE:
1443                 /* recheck login state */
1444                 data[0] = data[1] = 0;
1445                 qla2x00_post_async_adisc_work(vha, fcport, data);
1446                 break;
1447
1448         case DSC_LOGIN_PEND:
1449                 if (fcport->fw_login_state == DSC_LS_PLOGI_COMP)
1450                         qla24xx_post_prli_work(vha, fcport);
1451                 break;
1452
1453         case DSC_UPD_FCPORT:
1454                 sec =  jiffies_to_msecs(jiffies -
1455                     fcport->jiffies_at_registration)/1000;
1456                 if (fcport->sec_since_registration < sec && sec &&
1457                     !(sec % 60)) {
1458                         fcport->sec_since_registration = sec;
1459                         ql_dbg(ql_dbg_disc, fcport->vha, 0xffff,
1460                             "%s %8phC - Slow Rport registration(%d Sec)\n",
1461                             __func__, fcport->port_name, sec);
1462                 }
1463
1464                 if (fcport->next_disc_state != DSC_DELETE_PEND)
1465                         fcport->next_disc_state = DSC_ADISC;
1466                 set_bit(RELOGIN_NEEDED, &vha->dpc_flags);
1467                 break;
1468
1469         default:
1470                 break;
1471         }
1472
1473         return 0;
1474 }
1475
1476 static
1477 void qla24xx_handle_rscn_event(fc_port_t *fcport, struct event_arg *ea)
1478 {
1479         fcport->rscn_gen++;
1480
1481         ql_dbg(ql_dbg_disc, fcport->vha, 0x210c,
1482             "%s %8phC DS %d LS %d\n",
1483             __func__, fcport->port_name, fcport->disc_state,
1484             fcport->fw_login_state);
1485
1486         if (fcport->flags & FCF_ASYNC_SENT)
1487                 return;
1488
1489         switch (fcport->disc_state) {
1490         case DSC_DELETED:
1491         case DSC_LOGIN_COMPLETE:
1492                 qla24xx_post_gpnid_work(fcport->vha, &ea->id);
1493                 break;
1494         default:
1495                 break;
1496         }
1497 }
1498
1499 int qla24xx_post_newsess_work(struct scsi_qla_host *vha, port_id_t *id,
1500     u8 *port_name, u8 *node_name, void *pla, u8 fc4_type)
1501 {
1502         struct qla_work_evt *e;
1503         e = qla2x00_alloc_work(vha, QLA_EVT_NEW_SESS);
1504         if (!e)
1505                 return QLA_FUNCTION_FAILED;
1506
1507         e->u.new_sess.id = *id;
1508         e->u.new_sess.pla = pla;
1509         e->u.new_sess.fc4_type = fc4_type;
1510         memcpy(e->u.new_sess.port_name, port_name, WWN_SIZE);
1511         if (node_name)
1512                 memcpy(e->u.new_sess.node_name, node_name, WWN_SIZE);
1513
1514         return qla2x00_post_work(vha, e);
1515 }
1516
1517 static
1518 void qla24xx_handle_relogin_event(scsi_qla_host_t *vha,
1519         struct event_arg *ea)
1520 {
1521         fc_port_t *fcport = ea->fcport;
1522
1523         ql_dbg(ql_dbg_disc, vha, 0x2102,
1524             "%s %8phC DS %d LS %d P %d del %d cnfl %p rscn %d|%d login %d|%d fl %x\n",
1525             __func__, fcport->port_name, fcport->disc_state,
1526             fcport->fw_login_state, fcport->login_pause,
1527             fcport->deleted, fcport->conflict,
1528             fcport->last_rscn_gen, fcport->rscn_gen,
1529             fcport->last_login_gen, fcport->login_gen,
1530             fcport->flags);
1531
1532         if ((fcport->fw_login_state == DSC_LS_PLOGI_PEND) ||
1533             (fcport->fw_login_state == DSC_LS_PRLI_PEND))
1534                 return;
1535
1536         if (fcport->fw_login_state == DSC_LS_PLOGI_COMP) {
1537                 if (time_before_eq(jiffies, fcport->plogi_nack_done_deadline)) {
1538                         set_bit(RELOGIN_NEEDED, &vha->dpc_flags);
1539                         return;
1540                 }
1541         }
1542
1543         if (fcport->last_rscn_gen != fcport->rscn_gen) {
1544                 ql_dbg(ql_dbg_disc, vha, 0x20e9, "%s %d %8phC post gidpn\n",
1545                     __func__, __LINE__, fcport->port_name);
1546
1547                 return;
1548         }
1549
1550         qla24xx_fcport_handle_login(vha, fcport);
1551 }
1552
1553
1554 static void qla_handle_els_plogi_done(scsi_qla_host_t *vha,
1555                                       struct event_arg *ea)
1556 {
1557         ql_dbg(ql_dbg_disc, vha, 0x2118,
1558             "%s %d %8phC post PRLI\n",
1559             __func__, __LINE__, ea->fcport->port_name);
1560         qla24xx_post_prli_work(vha, ea->fcport);
1561 }
1562
1563 void qla2x00_fcport_event_handler(scsi_qla_host_t *vha, struct event_arg *ea)
1564 {
1565         fc_port_t *f, *tf;
1566         uint32_t id = 0, mask, rid;
1567         fc_port_t *fcport;
1568
1569         switch (ea->event) {
1570         case FCME_RELOGIN:
1571                 if (test_bit(UNLOADING, &vha->dpc_flags))
1572                         return;
1573
1574                 qla24xx_handle_relogin_event(vha, ea);
1575                 break;
1576         case FCME_RSCN:
1577                 if (test_bit(UNLOADING, &vha->dpc_flags))
1578                         return;
1579                 switch (ea->id.b.rsvd_1) {
1580                 case RSCN_PORT_ADDR:
1581 #define BIGSCAN 1
1582 #if defined BIGSCAN & BIGSCAN > 0
1583                 {
1584                         unsigned long flags;
1585                         fcport = qla2x00_find_fcport_by_nportid
1586                                 (vha, &ea->id, 1);
1587                         if (fcport) {
1588                                 fcport->scan_needed = 1;
1589                                 fcport->rscn_gen++;
1590                         }
1591
1592                         spin_lock_irqsave(&vha->work_lock, flags);
1593                         if (vha->scan.scan_flags == 0) {
1594                                 ql_dbg(ql_dbg_disc, vha, 0xffff,
1595                                     "%s: schedule\n", __func__);
1596                                 vha->scan.scan_flags |= SF_QUEUED;
1597                                 schedule_delayed_work(&vha->scan.scan_work, 5);
1598                         }
1599                         spin_unlock_irqrestore(&vha->work_lock, flags);
1600                 }
1601 #else
1602                 {
1603                         int rc;
1604                         fcport = qla2x00_find_fcport_by_nportid(vha, &ea->id, 1);
1605                         if (!fcport) {
1606                                 /* cable moved */
1607                                  rc = qla24xx_post_gpnid_work(vha, &ea->id);
1608                                  if (rc) {
1609                                          ql_log(ql_log_warn, vha, 0xd044,
1610                                              "RSCN GPNID work failed %06x\n",
1611                                              ea->id.b24);
1612                                  }
1613                         } else {
1614                                 ea->fcport = fcport;
1615                                 fcport->scan_needed = 1;
1616                                 qla24xx_handle_rscn_event(fcport, ea);
1617                         }
1618                 }
1619 #endif
1620                         break;
1621                 case RSCN_AREA_ADDR:
1622                 case RSCN_DOM_ADDR:
1623                         if (ea->id.b.rsvd_1 == RSCN_AREA_ADDR) {
1624                                 mask = 0xffff00;
1625                                 ql_dbg(ql_dbg_async, vha, 0x5044,
1626                                     "RSCN: Area 0x%06x was affected\n",
1627                                     ea->id.b24);
1628                         } else {
1629                                 mask = 0xff0000;
1630                                 ql_dbg(ql_dbg_async, vha, 0x507a,
1631                                     "RSCN: Domain 0x%06x was affected\n",
1632                                     ea->id.b24);
1633                         }
1634
1635                         rid = ea->id.b24 & mask;
1636                         list_for_each_entry_safe(f, tf, &vha->vp_fcports,
1637                             list) {
1638                                 id = f->d_id.b24 & mask;
1639                                 if (rid == id) {
1640                                         ea->fcport = f;
1641                                         qla24xx_handle_rscn_event(f, ea);
1642                                 }
1643                         }
1644                         break;
1645                 case RSCN_FAB_ADDR:
1646                 default:
1647                         ql_log(ql_log_warn, vha, 0xd045,
1648                             "RSCN: Fabric was affected. Addr format %d\n",
1649                             ea->id.b.rsvd_1);
1650                         qla2x00_mark_all_devices_lost(vha, 1);
1651                         set_bit(LOOP_RESYNC_NEEDED, &vha->dpc_flags);
1652                         set_bit(LOCAL_LOOP_UPDATE, &vha->dpc_flags);
1653                 }
1654                 break;
1655         case FCME_GNL_DONE:
1656                 qla24xx_handle_gnl_done_event(vha, ea);
1657                 break;
1658         case FCME_GPSC_DONE:
1659                 qla24xx_handle_gpsc_event(vha, ea);
1660                 break;
1661         case FCME_PLOGI_DONE:   /* Initiator side sent LLIOCB */
1662                 qla24xx_handle_plogi_done_event(vha, ea);
1663                 break;
1664         case FCME_PRLI_DONE:
1665                 qla24xx_handle_prli_done_event(vha, ea);
1666                 break;
1667         case FCME_GPDB_DONE:
1668                 qla24xx_handle_gpdb_event(vha, ea);
1669                 break;
1670         case FCME_GPNID_DONE:
1671                 qla24xx_handle_gpnid_event(vha, ea);
1672                 break;
1673         case FCME_GFFID_DONE:
1674                 qla24xx_handle_gffid_event(vha, ea);
1675                 break;
1676         case FCME_ADISC_DONE:
1677                 qla24xx_handle_adisc_event(vha, ea);
1678                 break;
1679         case FCME_GNNID_DONE:
1680                 qla24xx_handle_gnnid_event(vha, ea);
1681                 break;
1682         case FCME_GFPNID_DONE:
1683                 qla24xx_handle_gfpnid_event(vha, ea);
1684                 break;
1685         case FCME_ELS_PLOGI_DONE:
1686                 qla_handle_els_plogi_done(vha, ea);
1687                 break;
1688         default:
1689                 BUG_ON(1);
1690                 break;
1691         }
1692 }
1693
1694 /*
1695  * RSCN(s) came in for this fcport, but the RSCN(s) was not able
1696  * to be consumed by the fcport
1697  */
1698 void qla_rscn_replay(fc_port_t *fcport)
1699 {
1700        struct event_arg ea;
1701
1702        switch (fcport->disc_state) {
1703        case DSC_DELETE_PEND:
1704                return;
1705        default:
1706                break;
1707        }
1708
1709        if (fcport->scan_needed) {
1710                memset(&ea, 0, sizeof(ea));
1711                ea.event = FCME_RSCN;
1712                ea.id = fcport->d_id;
1713                ea.id.b.rsvd_1 = RSCN_PORT_ADDR;
1714 #if defined BIGSCAN & BIGSCAN > 0
1715                qla2x00_fcport_event_handler(fcport->vha, &ea);
1716 #else
1717                qla24xx_post_gpnid_work(fcport->vha, &ea.id);
1718 #endif
1719         }
1720 }
1721
1722 static void
1723 qla2x00_tmf_iocb_timeout(void *data)
1724 {
1725         srb_t *sp = data;
1726         struct srb_iocb *tmf = &sp->u.iocb_cmd;
1727
1728         tmf->u.tmf.comp_status = CS_TIMEOUT;
1729         complete(&tmf->u.tmf.comp);
1730 }
1731
1732 static void
1733 qla2x00_tmf_sp_done(void *ptr, int res)
1734 {
1735         srb_t *sp = ptr;
1736         struct srb_iocb *tmf = &sp->u.iocb_cmd;
1737
1738         complete(&tmf->u.tmf.comp);
1739 }
1740
1741 int
1742 qla2x00_async_tm_cmd(fc_port_t *fcport, uint32_t flags, uint32_t lun,
1743         uint32_t tag)
1744 {
1745         struct scsi_qla_host *vha = fcport->vha;
1746         struct srb_iocb *tm_iocb;
1747         srb_t *sp;
1748         int rval = QLA_FUNCTION_FAILED;
1749
1750         sp = qla2x00_get_sp(vha, fcport, GFP_KERNEL);
1751         if (!sp)
1752                 goto done;
1753
1754         tm_iocb = &sp->u.iocb_cmd;
1755         sp->type = SRB_TM_CMD;
1756         sp->name = "tmf";
1757
1758         tm_iocb->timeout = qla2x00_tmf_iocb_timeout;
1759         init_completion(&tm_iocb->u.tmf.comp);
1760         qla2x00_init_timer(sp, qla2x00_get_async_timeout(vha));
1761
1762         tm_iocb->u.tmf.flags = flags;
1763         tm_iocb->u.tmf.lun = lun;
1764         tm_iocb->u.tmf.data = tag;
1765         sp->done = qla2x00_tmf_sp_done;
1766
1767         ql_dbg(ql_dbg_taskm, vha, 0x802f,
1768             "Async-tmf hdl=%x loop-id=%x portid=%02x%02x%02x.\n",
1769             sp->handle, fcport->loop_id, fcport->d_id.b.domain,
1770             fcport->d_id.b.area, fcport->d_id.b.al_pa);
1771
1772         rval = qla2x00_start_sp(sp);
1773         if (rval != QLA_SUCCESS)
1774                 goto done_free_sp;
1775         wait_for_completion(&tm_iocb->u.tmf.comp);
1776
1777         rval = tm_iocb->u.tmf.data;
1778
1779         if (rval != QLA_SUCCESS) {
1780                 ql_log(ql_log_warn, vha, 0x8030,
1781                     "TM IOCB failed (%x).\n", rval);
1782         }
1783
1784         if (!test_bit(UNLOADING, &vha->dpc_flags) && !IS_QLAFX00(vha->hw)) {
1785                 flags = tm_iocb->u.tmf.flags;
1786                 lun = (uint16_t)tm_iocb->u.tmf.lun;
1787
1788                 /* Issue Marker IOCB */
1789                 qla2x00_marker(vha, vha->hw->req_q_map[0],
1790                     vha->hw->rsp_q_map[0], sp->fcport->loop_id, lun,
1791                     flags == TCF_LUN_RESET ? MK_SYNC_ID_LUN : MK_SYNC_ID);
1792         }
1793
1794 done_free_sp:
1795         sp->free(sp);
1796         sp->fcport->flags &= ~FCF_ASYNC_SENT;
1797 done:
1798         return rval;
1799 }
1800
1801 static void
1802 qla24xx_abort_iocb_timeout(void *data)
1803 {
1804         srb_t *sp = data;
1805         struct srb_iocb *abt = &sp->u.iocb_cmd;
1806
1807         abt->u.abt.comp_status = CS_TIMEOUT;
1808         sp->done(sp, QLA_FUNCTION_TIMEOUT);
1809 }
1810
1811 static void
1812 qla24xx_abort_sp_done(void *ptr, int res)
1813 {
1814         srb_t *sp = ptr;
1815         struct srb_iocb *abt = &sp->u.iocb_cmd;
1816
1817         if (del_timer(&sp->u.iocb_cmd.timer)) {
1818                 if (sp->flags & SRB_WAKEUP_ON_COMP)
1819                         complete(&abt->u.abt.comp);
1820                 else
1821                         sp->free(sp);
1822         }
1823 }
1824
1825 int
1826 qla24xx_async_abort_cmd(srb_t *cmd_sp, bool wait)
1827 {
1828         scsi_qla_host_t *vha = cmd_sp->vha;
1829         struct srb_iocb *abt_iocb;
1830         srb_t *sp;
1831         int rval = QLA_FUNCTION_FAILED;
1832
1833         sp = qla2xxx_get_qpair_sp(cmd_sp->vha, cmd_sp->qpair, cmd_sp->fcport,
1834             GFP_KERNEL);
1835         if (!sp)
1836                 goto done;
1837
1838         abt_iocb = &sp->u.iocb_cmd;
1839         sp->type = SRB_ABT_CMD;
1840         sp->name = "abort";
1841         sp->qpair = cmd_sp->qpair;
1842         if (wait)
1843                 sp->flags = SRB_WAKEUP_ON_COMP;
1844
1845         abt_iocb->timeout = qla24xx_abort_iocb_timeout;
1846         init_completion(&abt_iocb->u.abt.comp);
1847         /* FW can send 2 x ABTS's timeout/20s */
1848         qla2x00_init_timer(sp, 42);
1849
1850         abt_iocb->u.abt.cmd_hndl = cmd_sp->handle;
1851         abt_iocb->u.abt.req_que_no = cpu_to_le16(cmd_sp->qpair->req->id);
1852
1853         sp->done = qla24xx_abort_sp_done;
1854
1855         ql_dbg(ql_dbg_async, vha, 0x507c,
1856             "Abort command issued - hdl=%x, type=%x\n",
1857             cmd_sp->handle, cmd_sp->type);
1858
1859         rval = qla2x00_start_sp(sp);
1860         if (rval != QLA_SUCCESS)
1861                 goto done_free_sp;
1862
1863         if (wait) {
1864                 wait_for_completion(&abt_iocb->u.abt.comp);
1865                 rval = abt_iocb->u.abt.comp_status == CS_COMPLETE ?
1866                         QLA_SUCCESS : QLA_FUNCTION_FAILED;
1867         } else {
1868                 goto done;
1869         }
1870
1871 done_free_sp:
1872         sp->free(sp);
1873 done:
1874         return rval;
1875 }
1876
1877 int
1878 qla24xx_async_abort_command(srb_t *sp)
1879 {
1880         unsigned long   flags = 0;
1881
1882         uint32_t        handle;
1883         fc_port_t       *fcport = sp->fcport;
1884         struct qla_qpair *qpair = sp->qpair;
1885         struct scsi_qla_host *vha = fcport->vha;
1886         struct req_que *req = qpair->req;
1887
1888         spin_lock_irqsave(qpair->qp_lock_ptr, flags);
1889         for (handle = 1; handle < req->num_outstanding_cmds; handle++) {
1890                 if (req->outstanding_cmds[handle] == sp)
1891                         break;
1892         }
1893         spin_unlock_irqrestore(qpair->qp_lock_ptr, flags);
1894
1895         if (handle == req->num_outstanding_cmds) {
1896                 /* Command not found. */
1897                 return QLA_FUNCTION_FAILED;
1898         }
1899         if (sp->type == SRB_FXIOCB_DCMD)
1900                 return qlafx00_fx_disc(vha, &vha->hw->mr.fcport,
1901                     FXDISC_ABORT_IOCTL);
1902
1903         return qla24xx_async_abort_cmd(sp, true);
1904 }
1905
1906 static void
1907 qla24xx_handle_prli_done_event(struct scsi_qla_host *vha, struct event_arg *ea)
1908 {
1909         switch (ea->data[0]) {
1910         case MBS_COMMAND_COMPLETE:
1911                 ql_dbg(ql_dbg_disc, vha, 0x2118,
1912                     "%s %d %8phC post gpdb\n",
1913                     __func__, __LINE__, ea->fcport->port_name);
1914
1915                 ea->fcport->chip_reset = vha->hw->base_qpair->chip_reset;
1916                 ea->fcport->logout_on_delete = 1;
1917                 qla24xx_post_gpdb_work(vha, ea->fcport, 0);
1918                 break;
1919         default:
1920                 if ((ea->iop[0] == LSC_SCODE_ELS_REJECT) &&
1921                     (ea->iop[1] == 0x50000)) {   /* reson 5=busy expl:0x0 */
1922                         set_bit(RELOGIN_NEEDED, &vha->dpc_flags);
1923                         ea->fcport->fw_login_state = DSC_LS_PLOGI_COMP;
1924                         break;
1925                 }
1926
1927                 if (ea->fcport->n2n_flag) {
1928                         ql_dbg(ql_dbg_disc, vha, 0x2118,
1929                                 "%s %d %8phC post fc4 prli\n",
1930                                 __func__, __LINE__, ea->fcport->port_name);
1931                         ea->fcport->fc4f_nvme = 0;
1932                         ea->fcport->n2n_flag = 0;
1933                         qla24xx_post_prli_work(vha, ea->fcport);
1934                 }
1935                 ql_dbg(ql_dbg_disc, vha, 0x2119,
1936                     "%s %d %8phC unhandle event of %x\n",
1937                     __func__, __LINE__, ea->fcport->port_name, ea->data[0]);
1938                 break;
1939         }
1940 }
1941
1942 static void
1943 qla24xx_handle_plogi_done_event(struct scsi_qla_host *vha, struct event_arg *ea)
1944 {
1945         port_id_t cid;  /* conflict Nport id */
1946         u16 lid;
1947         struct fc_port *conflict_fcport;
1948         unsigned long flags;
1949         struct fc_port *fcport = ea->fcport;
1950
1951         ql_dbg(ql_dbg_disc, vha, 0xffff,
1952             "%s %8phC DS %d LS %d rc %d login %d|%d rscn %d|%d data %x|%x iop %x|%x\n",
1953             __func__, fcport->port_name, fcport->disc_state,
1954             fcport->fw_login_state, ea->rc, ea->sp->gen2, fcport->login_gen,
1955             ea->sp->gen1, fcport->rscn_gen,
1956             ea->data[0], ea->data[1], ea->iop[0], ea->iop[1]);
1957
1958         if ((fcport->fw_login_state == DSC_LS_PLOGI_PEND) ||
1959             (fcport->fw_login_state == DSC_LS_PRLI_PEND)) {
1960                 ql_dbg(ql_dbg_disc, vha, 0x20ea,
1961                     "%s %d %8phC Remote is trying to login\n",
1962                     __func__, __LINE__, fcport->port_name);
1963                 return;
1964         }
1965
1966         if (fcport->disc_state == DSC_DELETE_PEND)
1967                 return;
1968
1969         if (ea->sp->gen2 != fcport->login_gen) {
1970                 /* target side must have changed it. */
1971                 ql_dbg(ql_dbg_disc, vha, 0x20d3,
1972                     "%s %8phC generation changed\n",
1973                     __func__, fcport->port_name);
1974                 set_bit(RELOGIN_NEEDED, &vha->dpc_flags);
1975                 return;
1976         } else if (ea->sp->gen1 != fcport->rscn_gen) {
1977                 ql_dbg(ql_dbg_disc, vha, 0x20d3,
1978                     "%s %8phC RSCN generation changed\n",
1979                     __func__, fcport->port_name);
1980                 qla_rscn_replay(fcport);
1981                 qlt_schedule_sess_for_deletion(fcport);
1982                 return;
1983         }
1984
1985         switch (ea->data[0]) {
1986         case MBS_COMMAND_COMPLETE:
1987                 /*
1988                  * Driver must validate login state - If PRLI not complete,
1989                  * force a relogin attempt via implicit LOGO, PLOGI, and PRLI
1990                  * requests.
1991                  */
1992                 if (ea->fcport->fc4f_nvme) {
1993                         ql_dbg(ql_dbg_disc, vha, 0x2117,
1994                                 "%s %d %8phC post prli\n",
1995                                 __func__, __LINE__, ea->fcport->port_name);
1996                         qla24xx_post_prli_work(vha, ea->fcport);
1997                 } else {
1998                         ql_dbg(ql_dbg_disc, vha, 0x20ea,
1999                             "%s %d %8phC LoopID 0x%x in use with %06x. post gnl\n",
2000                             __func__, __LINE__, ea->fcport->port_name,
2001                             ea->fcport->loop_id, ea->fcport->d_id.b24);
2002
2003                         set_bit(ea->fcport->loop_id, vha->hw->loop_id_map);
2004                         spin_lock_irqsave(&vha->hw->tgt.sess_lock, flags);
2005                         ea->fcport->chip_reset = vha->hw->base_qpair->chip_reset;
2006                         ea->fcport->logout_on_delete = 1;
2007                         ea->fcport->send_els_logo = 0;
2008                         ea->fcport->fw_login_state = DSC_LS_PRLI_COMP;
2009                         spin_unlock_irqrestore(&vha->hw->tgt.sess_lock, flags);
2010
2011                         qla24xx_post_gpdb_work(vha, ea->fcport, 0);
2012                 }
2013                 break;
2014         case MBS_COMMAND_ERROR:
2015                 ql_dbg(ql_dbg_disc, vha, 0x20eb, "%s %d %8phC cmd error %x\n",
2016                     __func__, __LINE__, ea->fcport->port_name, ea->data[1]);
2017
2018                 ea->fcport->flags &= ~FCF_ASYNC_SENT;
2019                 ea->fcport->disc_state = DSC_LOGIN_FAILED;
2020                 if (ea->data[1] & QLA_LOGIO_LOGIN_RETRIED)
2021                         set_bit(RELOGIN_NEEDED, &vha->dpc_flags);
2022                 else
2023                         qla2x00_mark_device_lost(vha, ea->fcport, 1, 0);
2024                 break;
2025         case MBS_LOOP_ID_USED:
2026                 /* data[1] = IO PARAM 1 = nport ID  */
2027                 cid.b.domain = (ea->iop[1] >> 16) & 0xff;
2028                 cid.b.area   = (ea->iop[1] >>  8) & 0xff;
2029                 cid.b.al_pa  = ea->iop[1] & 0xff;
2030                 cid.b.rsvd_1 = 0;
2031
2032                 ql_dbg(ql_dbg_disc, vha, 0x20ec,
2033                     "%s %d %8phC lid %#x in use with pid %06x post gnl\n",
2034                     __func__, __LINE__, ea->fcport->port_name,
2035                     ea->fcport->loop_id, cid.b24);
2036
2037                 set_bit(ea->fcport->loop_id, vha->hw->loop_id_map);
2038                 ea->fcport->loop_id = FC_NO_LOOP_ID;
2039                 qla24xx_post_gnl_work(vha, ea->fcport);
2040                 break;
2041         case MBS_PORT_ID_USED:
2042                 lid = ea->iop[1] & 0xffff;
2043                 qlt_find_sess_invalidate_other(vha,
2044                     wwn_to_u64(ea->fcport->port_name),
2045                     ea->fcport->d_id, lid, &conflict_fcport);
2046
2047                 if (conflict_fcport) {
2048                         /*
2049                          * Another fcport share the same loop_id/nport id.
2050                          * Conflict fcport needs to finish cleanup before this
2051                          * fcport can proceed to login.
2052                          */
2053                         conflict_fcport->conflict = ea->fcport;
2054                         ea->fcport->login_pause = 1;
2055
2056                         ql_dbg(ql_dbg_disc, vha, 0x20ed,
2057                             "%s %d %8phC NPortId %06x inuse with loopid 0x%x. post gidpn\n",
2058                             __func__, __LINE__, ea->fcport->port_name,
2059                             ea->fcport->d_id.b24, lid);
2060                 } else {
2061                         ql_dbg(ql_dbg_disc, vha, 0x20ed,
2062                             "%s %d %8phC NPortId %06x inuse with loopid 0x%x. sched delete\n",
2063                             __func__, __LINE__, ea->fcport->port_name,
2064                             ea->fcport->d_id.b24, lid);
2065
2066                         qla2x00_clear_loop_id(ea->fcport);
2067                         set_bit(lid, vha->hw->loop_id_map);
2068                         ea->fcport->loop_id = lid;
2069                         ea->fcport->keep_nport_handle = 0;
2070                         qlt_schedule_sess_for_deletion(ea->fcport);
2071                 }
2072                 break;
2073         }
2074         return;
2075 }
2076
2077 void
2078 qla2x00_async_logout_done(struct scsi_qla_host *vha, fc_port_t *fcport,
2079     uint16_t *data)
2080 {
2081         qlt_logo_completion_handler(fcport, data[0]);
2082         fcport->login_gen++;
2083         fcport->flags &= ~FCF_ASYNC_ACTIVE;
2084         return;
2085 }
2086
2087 /****************************************************************************/
2088 /*                QLogic ISP2x00 Hardware Support Functions.                */
2089 /****************************************************************************/
2090
2091 static int
2092 qla83xx_nic_core_fw_load(scsi_qla_host_t *vha)
2093 {
2094         int rval = QLA_SUCCESS;
2095         struct qla_hw_data *ha = vha->hw;
2096         uint32_t idc_major_ver, idc_minor_ver;
2097         uint16_t config[4];
2098
2099         qla83xx_idc_lock(vha, 0);
2100
2101         /* SV: TODO: Assign initialization timeout from
2102          * flash-info / other param
2103          */
2104         ha->fcoe_dev_init_timeout = QLA83XX_IDC_INITIALIZATION_TIMEOUT;
2105         ha->fcoe_reset_timeout = QLA83XX_IDC_RESET_ACK_TIMEOUT;
2106
2107         /* Set our fcoe function presence */
2108         if (__qla83xx_set_drv_presence(vha) != QLA_SUCCESS) {
2109                 ql_dbg(ql_dbg_p3p, vha, 0xb077,
2110                     "Error while setting DRV-Presence.\n");
2111                 rval = QLA_FUNCTION_FAILED;
2112                 goto exit;
2113         }
2114
2115         /* Decide the reset ownership */
2116         qla83xx_reset_ownership(vha);
2117
2118         /*
2119          * On first protocol driver load:
2120          * Init-Owner: Set IDC-Major-Version and Clear IDC-Lock-Recovery
2121          * register.
2122          * Others: Check compatibility with current IDC Major version.
2123          */
2124         qla83xx_rd_reg(vha, QLA83XX_IDC_MAJOR_VERSION, &idc_major_ver);
2125         if (ha->flags.nic_core_reset_owner) {
2126                 /* Set IDC Major version */
2127                 idc_major_ver = QLA83XX_SUPP_IDC_MAJOR_VERSION;
2128                 qla83xx_wr_reg(vha, QLA83XX_IDC_MAJOR_VERSION, idc_major_ver);
2129
2130                 /* Clearing IDC-Lock-Recovery register */
2131                 qla83xx_wr_reg(vha, QLA83XX_IDC_LOCK_RECOVERY, 0);
2132         } else if (idc_major_ver != QLA83XX_SUPP_IDC_MAJOR_VERSION) {
2133                 /*
2134                  * Clear further IDC participation if we are not compatible with
2135                  * the current IDC Major Version.
2136                  */
2137                 ql_log(ql_log_warn, vha, 0xb07d,
2138                     "Failing load, idc_major_ver=%d, expected_major_ver=%d.\n",
2139                     idc_major_ver, QLA83XX_SUPP_IDC_MAJOR_VERSION);
2140                 __qla83xx_clear_drv_presence(vha);
2141                 rval = QLA_FUNCTION_FAILED;
2142                 goto exit;
2143         }
2144         /* Each function sets its supported Minor version. */
2145         qla83xx_rd_reg(vha, QLA83XX_IDC_MINOR_VERSION, &idc_minor_ver);
2146         idc_minor_ver |= (QLA83XX_SUPP_IDC_MINOR_VERSION << (ha->portnum * 2));
2147         qla83xx_wr_reg(vha, QLA83XX_IDC_MINOR_VERSION, idc_minor_ver);
2148
2149         if (ha->flags.nic_core_reset_owner) {
2150                 memset(config, 0, sizeof(config));
2151                 if (!qla81xx_get_port_config(vha, config))
2152                         qla83xx_wr_reg(vha, QLA83XX_IDC_DEV_STATE,
2153                             QLA8XXX_DEV_READY);
2154         }
2155
2156         rval = qla83xx_idc_state_handler(vha);
2157
2158 exit:
2159         qla83xx_idc_unlock(vha, 0);
2160
2161         return rval;
2162 }
2163
2164 /*
2165 * qla2x00_initialize_adapter
2166 *      Initialize board.
2167 *
2168 * Input:
2169 *      ha = adapter block pointer.
2170 *
2171 * Returns:
2172 *      0 = success
2173 */
2174 int
2175 qla2x00_initialize_adapter(scsi_qla_host_t *vha)
2176 {
2177         int     rval;
2178         struct qla_hw_data *ha = vha->hw;
2179         struct req_que *req = ha->req_q_map[0];
2180
2181         memset(&vha->qla_stats, 0, sizeof(vha->qla_stats));
2182         memset(&vha->fc_host_stat, 0, sizeof(vha->fc_host_stat));
2183
2184         /* Clear adapter flags. */
2185         vha->flags.online = 0;
2186         ha->flags.chip_reset_done = 0;
2187         vha->flags.reset_active = 0;
2188         ha->flags.pci_channel_io_perm_failure = 0;
2189         ha->flags.eeh_busy = 0;
2190         vha->qla_stats.jiffies_at_last_reset = get_jiffies_64();
2191         atomic_set(&vha->loop_down_timer, LOOP_DOWN_TIME);
2192         atomic_set(&vha->loop_state, LOOP_DOWN);
2193         vha->device_flags = DFLG_NO_CABLE;
2194         vha->dpc_flags = 0;
2195         vha->flags.management_server_logged_in = 0;
2196         vha->marker_needed = 0;
2197         ha->isp_abort_cnt = 0;
2198         ha->beacon_blink_led = 0;
2199
2200         set_bit(0, ha->req_qid_map);
2201         set_bit(0, ha->rsp_qid_map);
2202
2203         ql_dbg(ql_dbg_init, vha, 0x0040,
2204             "Configuring PCI space...\n");
2205         rval = ha->isp_ops->pci_config(vha);
2206         if (rval) {
2207                 ql_log(ql_log_warn, vha, 0x0044,
2208                     "Unable to configure PCI space.\n");
2209                 return (rval);
2210         }
2211
2212         ha->isp_ops->reset_chip(vha);
2213
2214         rval = qla2xxx_get_flash_info(vha);
2215         if (rval) {
2216                 ql_log(ql_log_fatal, vha, 0x004f,
2217                     "Unable to validate FLASH data.\n");
2218                 return rval;
2219         }
2220
2221         if (IS_QLA8044(ha)) {
2222                 qla8044_read_reset_template(vha);
2223
2224                 /* NOTE: If ql2xdontresethba==1, set IDC_CTRL DONTRESET_BIT0.
2225                  * If DONRESET_BIT0 is set, drivers should not set dev_state
2226                  * to NEED_RESET. But if NEED_RESET is set, drivers should
2227                  * should honor the reset. */
2228                 if (ql2xdontresethba == 1)
2229                         qla8044_set_idc_dontreset(vha);
2230         }
2231
2232         ha->isp_ops->get_flash_version(vha, req->ring);
2233         ql_dbg(ql_dbg_init, vha, 0x0061,
2234             "Configure NVRAM parameters...\n");
2235
2236         ha->isp_ops->nvram_config(vha);
2237
2238         if (ha->flags.disable_serdes) {
2239                 /* Mask HBA via NVRAM settings? */
2240                 ql_log(ql_log_info, vha, 0x0077,
2241                     "Masking HBA WWPN %8phN (via NVRAM).\n", vha->port_name);
2242                 return QLA_FUNCTION_FAILED;
2243         }
2244
2245         ql_dbg(ql_dbg_init, vha, 0x0078,
2246             "Verifying loaded RISC code...\n");
2247
2248         if (qla2x00_isp_firmware(vha) != QLA_SUCCESS) {
2249                 rval = ha->isp_ops->chip_diag(vha);
2250                 if (rval)
2251                         return (rval);
2252                 rval = qla2x00_setup_chip(vha);
2253                 if (rval)
2254                         return (rval);
2255         }
2256
2257         if (IS_QLA84XX(ha)) {
2258                 ha->cs84xx = qla84xx_get_chip(vha);
2259                 if (!ha->cs84xx) {
2260                         ql_log(ql_log_warn, vha, 0x00d0,
2261                             "Unable to configure ISP84XX.\n");
2262                         return QLA_FUNCTION_FAILED;
2263                 }
2264         }
2265
2266         if (qla_ini_mode_enabled(vha) || qla_dual_mode_enabled(vha))
2267                 rval = qla2x00_init_rings(vha);
2268
2269         ha->flags.chip_reset_done = 1;
2270
2271         if (rval == QLA_SUCCESS && IS_QLA84XX(ha)) {
2272                 /* Issue verify 84xx FW IOCB to complete 84xx initialization */
2273                 rval = qla84xx_init_chip(vha);
2274                 if (rval != QLA_SUCCESS) {
2275                         ql_log(ql_log_warn, vha, 0x00d4,
2276                             "Unable to initialize ISP84XX.\n");
2277                         qla84xx_put_chip(vha);
2278                 }
2279         }
2280
2281         /* Load the NIC Core f/w if we are the first protocol driver. */
2282         if (IS_QLA8031(ha)) {
2283                 rval = qla83xx_nic_core_fw_load(vha);
2284                 if (rval)
2285                         ql_log(ql_log_warn, vha, 0x0124,
2286                             "Error in initializing NIC Core f/w.\n");
2287         }
2288
2289         if (IS_QLA24XX_TYPE(ha) || IS_QLA25XX(ha))
2290                 qla24xx_read_fcp_prio_cfg(vha);
2291
2292         if (IS_P3P_TYPE(ha))
2293                 qla82xx_set_driver_version(vha, QLA2XXX_VERSION);
2294         else
2295                 qla25xx_set_driver_version(vha, QLA2XXX_VERSION);
2296
2297         return (rval);
2298 }
2299
2300 /**
2301  * qla2100_pci_config() - Setup ISP21xx PCI configuration registers.
2302  * @vha: HA context
2303  *
2304  * Returns 0 on success.
2305  */
2306 int
2307 qla2100_pci_config(scsi_qla_host_t *vha)
2308 {
2309         uint16_t w;
2310         unsigned long flags;
2311         struct qla_hw_data *ha = vha->hw;
2312         struct device_reg_2xxx __iomem *reg = &ha->iobase->isp;
2313
2314         pci_set_master(ha->pdev);
2315         pci_try_set_mwi(ha->pdev);
2316
2317         pci_read_config_word(ha->pdev, PCI_COMMAND, &w);
2318         w |= (PCI_COMMAND_PARITY | PCI_COMMAND_SERR);
2319         pci_write_config_word(ha->pdev, PCI_COMMAND, w);
2320
2321         pci_disable_rom(ha->pdev);
2322
2323         /* Get PCI bus information. */
2324         spin_lock_irqsave(&ha->hardware_lock, flags);
2325         ha->pci_attr = RD_REG_WORD(&reg->ctrl_status);
2326         spin_unlock_irqrestore(&ha->hardware_lock, flags);
2327
2328         return QLA_SUCCESS;
2329 }
2330
2331 /**
2332  * qla2300_pci_config() - Setup ISP23xx PCI configuration registers.
2333  * @vha: HA context
2334  *
2335  * Returns 0 on success.
2336  */
2337 int
2338 qla2300_pci_config(scsi_qla_host_t *vha)
2339 {
2340         uint16_t        w;
2341         unsigned long   flags = 0;
2342         uint32_t        cnt;
2343         struct qla_hw_data *ha = vha->hw;
2344         struct device_reg_2xxx __iomem *reg = &ha->iobase->isp;
2345
2346         pci_set_master(ha->pdev);
2347         pci_try_set_mwi(ha->pdev);
2348
2349         pci_read_config_word(ha->pdev, PCI_COMMAND, &w);
2350         w |= (PCI_COMMAND_PARITY | PCI_COMMAND_SERR);
2351
2352         if (IS_QLA2322(ha) || IS_QLA6322(ha))
2353                 w &= ~PCI_COMMAND_INTX_DISABLE;
2354         pci_write_config_word(ha->pdev, PCI_COMMAND, w);
2355
2356         /*
2357          * If this is a 2300 card and not 2312, reset the
2358          * COMMAND_INVALIDATE due to a bug in the 2300. Unfortunately,
2359          * the 2310 also reports itself as a 2300 so we need to get the
2360          * fb revision level -- a 6 indicates it really is a 2300 and
2361          * not a 2310.
2362          */
2363         if (IS_QLA2300(ha)) {
2364                 spin_lock_irqsave(&ha->hardware_lock, flags);
2365
2366                 /* Pause RISC. */
2367                 WRT_REG_WORD(&reg->hccr, HCCR_PAUSE_RISC);
2368                 for (cnt = 0; cnt < 30000; cnt++) {
2369                         if ((RD_REG_WORD(&reg->hccr) & HCCR_RISC_PAUSE) != 0)
2370                                 break;
2371
2372                         udelay(10);
2373                 }
2374
2375                 /* Select FPM registers. */
2376                 WRT_REG_WORD(&reg->ctrl_status, 0x20);
2377                 RD_REG_WORD(&reg->ctrl_status);
2378
2379                 /* Get the fb rev level */
2380                 ha->fb_rev = RD_FB_CMD_REG(ha, reg);
2381
2382                 if (ha->fb_rev == FPM_2300)
2383                         pci_clear_mwi(ha->pdev);
2384
2385                 /* Deselect FPM registers. */
2386                 WRT_REG_WORD(&reg->ctrl_status, 0x0);
2387                 RD_REG_WORD(&reg->ctrl_status);
2388
2389                 /* Release RISC module. */
2390                 WRT_REG_WORD(&reg->hccr, HCCR_RELEASE_RISC);
2391                 for (cnt = 0; cnt < 30000; cnt++) {
2392                         if ((RD_REG_WORD(&reg->hccr) & HCCR_RISC_PAUSE) == 0)
2393                                 break;
2394
2395                         udelay(10);
2396                 }
2397
2398                 spin_unlock_irqrestore(&ha->hardware_lock, flags);
2399         }
2400
2401         pci_write_config_byte(ha->pdev, PCI_LATENCY_TIMER, 0x80);
2402
2403         pci_disable_rom(ha->pdev);
2404
2405         /* Get PCI bus information. */
2406         spin_lock_irqsave(&ha->hardware_lock, flags);
2407         ha->pci_attr = RD_REG_WORD(&reg->ctrl_status);
2408         spin_unlock_irqrestore(&ha->hardware_lock, flags);
2409
2410         return QLA_SUCCESS;
2411 }
2412
2413 /**
2414  * qla24xx_pci_config() - Setup ISP24xx PCI configuration registers.
2415  * @vha: HA context
2416  *
2417  * Returns 0 on success.
2418  */
2419 int
2420 qla24xx_pci_config(scsi_qla_host_t *vha)
2421 {
2422         uint16_t w;
2423         unsigned long flags = 0;
2424         struct qla_hw_data *ha = vha->hw;
2425         struct device_reg_24xx __iomem *reg = &ha->iobase->isp24;
2426
2427         pci_set_master(ha->pdev);
2428         pci_try_set_mwi(ha->pdev);
2429
2430         pci_read_config_word(ha->pdev, PCI_COMMAND, &w);
2431         w |= (PCI_COMMAND_PARITY | PCI_COMMAND_SERR);
2432         w &= ~PCI_COMMAND_INTX_DISABLE;
2433         pci_write_config_word(ha->pdev, PCI_COMMAND, w);
2434
2435         pci_write_config_byte(ha->pdev, PCI_LATENCY_TIMER, 0x80);
2436
2437         /* PCI-X -- adjust Maximum Memory Read Byte Count (2048). */
2438         if (pci_find_capability(ha->pdev, PCI_CAP_ID_PCIX))
2439                 pcix_set_mmrbc(ha->pdev, 2048);
2440
2441         /* PCIe -- adjust Maximum Read Request Size (2048). */
2442         if (pci_is_pcie(ha->pdev))
2443                 pcie_set_readrq(ha->pdev, 4096);
2444
2445         pci_disable_rom(ha->pdev);
2446
2447         ha->chip_revision = ha->pdev->revision;
2448
2449         /* Get PCI bus information. */
2450         spin_lock_irqsave(&ha->hardware_lock, flags);
2451         ha->pci_attr = RD_REG_DWORD(&reg->ctrl_status);
2452         spin_unlock_irqrestore(&ha->hardware_lock, flags);
2453
2454         return QLA_SUCCESS;
2455 }
2456
2457 /**
2458  * qla25xx_pci_config() - Setup ISP25xx PCI configuration registers.
2459  * @vha: HA context
2460  *
2461  * Returns 0 on success.
2462  */
2463 int
2464 qla25xx_pci_config(scsi_qla_host_t *vha)
2465 {
2466         uint16_t w;
2467         struct qla_hw_data *ha = vha->hw;
2468
2469         pci_set_master(ha->pdev);
2470         pci_try_set_mwi(ha->pdev);
2471
2472         pci_read_config_word(ha->pdev, PCI_COMMAND, &w);
2473         w |= (PCI_COMMAND_PARITY | PCI_COMMAND_SERR);
2474         w &= ~PCI_COMMAND_INTX_DISABLE;
2475         pci_write_config_word(ha->pdev, PCI_COMMAND, w);
2476
2477         /* PCIe -- adjust Maximum Read Request Size (2048). */
2478         if (pci_is_pcie(ha->pdev))
2479                 pcie_set_readrq(ha->pdev, 4096);
2480
2481         pci_disable_rom(ha->pdev);
2482
2483         ha->chip_revision = ha->pdev->revision;
2484
2485         return QLA_SUCCESS;
2486 }
2487
2488 /**
2489  * qla2x00_isp_firmware() - Choose firmware image.
2490  * @vha: HA context
2491  *
2492  * Returns 0 on success.
2493  */
2494 static int
2495 qla2x00_isp_firmware(scsi_qla_host_t *vha)
2496 {
2497         int  rval;
2498         uint16_t loop_id, topo, sw_cap;
2499         uint8_t domain, area, al_pa;
2500         struct qla_hw_data *ha = vha->hw;
2501
2502         /* Assume loading risc code */
2503         rval = QLA_FUNCTION_FAILED;
2504
2505         if (ha->flags.disable_risc_code_load) {
2506                 ql_log(ql_log_info, vha, 0x0079, "RISC CODE NOT loaded.\n");
2507
2508                 /* Verify checksum of loaded RISC code. */
2509                 rval = qla2x00_verify_checksum(vha, ha->fw_srisc_address);
2510                 if (rval == QLA_SUCCESS) {
2511                         /* And, verify we are not in ROM code. */
2512                         rval = qla2x00_get_adapter_id(vha, &loop_id, &al_pa,
2513                             &area, &domain, &topo, &sw_cap);
2514                 }
2515         }
2516
2517         if (rval)
2518                 ql_dbg(ql_dbg_init, vha, 0x007a,
2519                     "**** Load RISC code ****.\n");
2520
2521         return (rval);
2522 }
2523
2524 /**
2525  * qla2x00_reset_chip() - Reset ISP chip.
2526  * @vha: HA context
2527  *
2528  * Returns 0 on success.
2529  */
2530 void
2531 qla2x00_reset_chip(scsi_qla_host_t *vha)
2532 {
2533         unsigned long   flags = 0;
2534         struct qla_hw_data *ha = vha->hw;
2535         struct device_reg_2xxx __iomem *reg = &ha->iobase->isp;
2536         uint32_t        cnt;
2537         uint16_t        cmd;
2538
2539         if (unlikely(pci_channel_offline(ha->pdev)))
2540                 return;
2541
2542         ha->isp_ops->disable_intrs(ha);
2543
2544         spin_lock_irqsave(&ha->hardware_lock, flags);
2545
2546         /* Turn off master enable */
2547         cmd = 0;
2548         pci_read_config_word(ha->pdev, PCI_COMMAND, &cmd);
2549         cmd &= ~PCI_COMMAND_MASTER;
2550         pci_write_config_word(ha->pdev, PCI_COMMAND, cmd);
2551
2552         if (!IS_QLA2100(ha)) {
2553                 /* Pause RISC. */
2554                 WRT_REG_WORD(&reg->hccr, HCCR_PAUSE_RISC);
2555                 if (IS_QLA2200(ha) || IS_QLA2300(ha)) {
2556                         for (cnt = 0; cnt < 30000; cnt++) {
2557                                 if ((RD_REG_WORD(&reg->hccr) &
2558                                     HCCR_RISC_PAUSE) != 0)
2559                                         break;
2560                                 udelay(100);
2561                         }
2562                 } else {
2563                         RD_REG_WORD(&reg->hccr);        /* PCI Posting. */
2564                         udelay(10);
2565                 }
2566
2567                 /* Select FPM registers. */
2568                 WRT_REG_WORD(&reg->ctrl_status, 0x20);
2569                 RD_REG_WORD(&reg->ctrl_status);         /* PCI Posting. */
2570
2571                 /* FPM Soft Reset. */
2572                 WRT_REG_WORD(&reg->fpm_diag_config, 0x100);
2573                 RD_REG_WORD(&reg->fpm_diag_config);     /* PCI Posting. */
2574
2575                 /* Toggle Fpm Reset. */
2576                 if (!IS_QLA2200(ha)) {
2577                         WRT_REG_WORD(&reg->fpm_diag_config, 0x0);
2578                         RD_REG_WORD(&reg->fpm_diag_config); /* PCI Posting. */
2579                 }
2580
2581                 /* Select frame buffer registers. */
2582                 WRT_REG_WORD(&reg->ctrl_status, 0x10);
2583                 RD_REG_WORD(&reg->ctrl_status);         /* PCI Posting. */
2584
2585                 /* Reset frame buffer FIFOs. */
2586                 if (IS_QLA2200(ha)) {
2587                         WRT_FB_CMD_REG(ha, reg, 0xa000);
2588                         RD_FB_CMD_REG(ha, reg);         /* PCI Posting. */
2589                 } else {
2590                         WRT_FB_CMD_REG(ha, reg, 0x00fc);
2591
2592                         /* Read back fb_cmd until zero or 3 seconds max */
2593                         for (cnt = 0; cnt < 3000; cnt++) {
2594                                 if ((RD_FB_CMD_REG(ha, reg) & 0xff) == 0)
2595                                         break;
2596                                 udelay(100);
2597                         }
2598                 }
2599
2600                 /* Select RISC module registers. */
2601                 WRT_REG_WORD(&reg->ctrl_status, 0);
2602                 RD_REG_WORD(&reg->ctrl_status);         /* PCI Posting. */
2603
2604                 /* Reset RISC processor. */
2605                 WRT_REG_WORD(&reg->hccr, HCCR_RESET_RISC);
2606                 RD_REG_WORD(&reg->hccr);                /* PCI Posting. */
2607
2608                 /* Release RISC processor. */
2609                 WRT_REG_WORD(&reg->hccr, HCCR_RELEASE_RISC);
2610                 RD_REG_WORD(&reg->hccr);                /* PCI Posting. */
2611         }
2612
2613         WRT_REG_WORD(&reg->hccr, HCCR_CLR_RISC_INT);
2614         WRT_REG_WORD(&reg->hccr, HCCR_CLR_HOST_INT);
2615
2616         /* Reset ISP chip. */
2617         WRT_REG_WORD(&reg->ctrl_status, CSR_ISP_SOFT_RESET);
2618
2619         /* Wait for RISC to recover from reset. */
2620         if (IS_QLA2100(ha) || IS_QLA2200(ha) || IS_QLA2300(ha)) {
2621                 /*
2622                  * It is necessary to for a delay here since the card doesn't
2623                  * respond to PCI reads during a reset. On some architectures
2624                  * this will result in an MCA.
2625                  */
2626                 udelay(20);
2627                 for (cnt = 30000; cnt; cnt--) {
2628                         if ((RD_REG_WORD(&reg->ctrl_status) &
2629                             CSR_ISP_SOFT_RESET) == 0)
2630                                 break;
2631                         udelay(100);
2632                 }
2633         } else
2634                 udelay(10);
2635
2636         /* Reset RISC processor. */
2637         WRT_REG_WORD(&reg->hccr, HCCR_RESET_RISC);
2638
2639         WRT_REG_WORD(&reg->semaphore, 0);
2640
2641         /* Release RISC processor. */
2642         WRT_REG_WORD(&reg->hccr, HCCR_RELEASE_RISC);
2643         RD_REG_WORD(&reg->hccr);                        /* PCI Posting. */
2644
2645         if (IS_QLA2100(ha) || IS_QLA2200(ha) || IS_QLA2300(ha)) {
2646                 for (cnt = 0; cnt < 30000; cnt++) {
2647                         if (RD_MAILBOX_REG(ha, reg, 0) != MBS_BUSY)
2648                                 break;
2649
2650                         udelay(100);
2651                 }
2652         } else
2653                 udelay(100);
2654
2655         /* Turn on master enable */
2656         cmd |= PCI_COMMAND_MASTER;
2657         pci_write_config_word(ha->pdev, PCI_COMMAND, cmd);
2658
2659         /* Disable RISC pause on FPM parity error. */
2660         if (!IS_QLA2100(ha)) {
2661                 WRT_REG_WORD(&reg->hccr, HCCR_DISABLE_PARITY_PAUSE);
2662                 RD_REG_WORD(&reg->hccr);                /* PCI Posting. */
2663         }
2664
2665         spin_unlock_irqrestore(&ha->hardware_lock, flags);
2666 }
2667
2668 /**
2669  * qla81xx_reset_mpi() - Reset's MPI FW via Write MPI Register MBC.
2670  * @vha: HA context
2671  *
2672  * Returns 0 on success.
2673  */
2674 static int
2675 qla81xx_reset_mpi(scsi_qla_host_t *vha)
2676 {
2677         uint16_t mb[4] = {0x1010, 0, 1, 0};
2678
2679         if (!IS_QLA81XX(vha->hw))
2680                 return QLA_SUCCESS;
2681
2682         return qla81xx_write_mpi_register(vha, mb);
2683 }
2684
2685 /**
2686  * qla24xx_reset_risc() - Perform full reset of ISP24xx RISC.
2687  * @vha: HA context
2688  *
2689  * Returns 0 on success.
2690  */
2691 static inline int
2692 qla24xx_reset_risc(scsi_qla_host_t *vha)
2693 {
2694         unsigned long flags = 0;
2695         struct qla_hw_data *ha = vha->hw;
2696         struct device_reg_24xx __iomem *reg = &ha->iobase->isp24;
2697         uint32_t cnt;
2698         uint16_t wd;
2699         static int abts_cnt; /* ISP abort retry counts */
2700         int rval = QLA_SUCCESS;
2701
2702         spin_lock_irqsave(&ha->hardware_lock, flags);
2703
2704         /* Reset RISC. */
2705         WRT_REG_DWORD(&reg->ctrl_status, CSRX_DMA_SHUTDOWN|MWB_4096_BYTES);
2706         for (cnt = 0; cnt < 30000; cnt++) {
2707                 if ((RD_REG_DWORD(&reg->ctrl_status) & CSRX_DMA_ACTIVE) == 0)
2708                         break;
2709
2710                 udelay(10);
2711         }
2712
2713         if (!(RD_REG_DWORD(&reg->ctrl_status) & CSRX_DMA_ACTIVE))
2714                 set_bit(DMA_SHUTDOWN_CMPL, &ha->fw_dump_cap_flags);
2715
2716         ql_dbg(ql_dbg_init + ql_dbg_verbose, vha, 0x017e,
2717             "HCCR: 0x%x, Control Status %x, DMA active status:0x%x\n",
2718             RD_REG_DWORD(&reg->hccr),
2719             RD_REG_DWORD(&reg->ctrl_status),
2720             (RD_REG_DWORD(&reg->ctrl_status) & CSRX_DMA_ACTIVE));
2721
2722         WRT_REG_DWORD(&reg->ctrl_status,
2723             CSRX_ISP_SOFT_RESET|CSRX_DMA_SHUTDOWN|MWB_4096_BYTES);
2724         pci_read_config_word(ha->pdev, PCI_COMMAND, &wd);
2725
2726         udelay(100);
2727
2728         /* Wait for firmware to complete NVRAM accesses. */
2729         RD_REG_WORD(&reg->mailbox0);
2730         for (cnt = 10000; RD_REG_WORD(&reg->mailbox0) != 0 &&
2731             rval == QLA_SUCCESS; cnt--) {
2732                 barrier();
2733                 if (cnt)
2734                         udelay(5);
2735                 else
2736                         rval = QLA_FUNCTION_TIMEOUT;
2737         }
2738
2739         if (rval == QLA_SUCCESS)
2740                 set_bit(ISP_MBX_RDY, &ha->fw_dump_cap_flags);
2741
2742         ql_dbg(ql_dbg_init + ql_dbg_verbose, vha, 0x017f,
2743             "HCCR: 0x%x, MailBox0 Status 0x%x\n",
2744             RD_REG_DWORD(&reg->hccr),
2745             RD_REG_DWORD(&reg->mailbox0));
2746
2747         /* Wait for soft-reset to complete. */
2748         RD_REG_DWORD(&reg->ctrl_status);
2749         for (cnt = 0; cnt < 60; cnt++) {
2750                 barrier();
2751                 if ((RD_REG_DWORD(&reg->ctrl_status) &
2752                     CSRX_ISP_SOFT_RESET) == 0)
2753                         break;
2754
2755                 udelay(5);
2756         }
2757         if (!(RD_REG_DWORD(&reg->ctrl_status) & CSRX_ISP_SOFT_RESET))
2758                 set_bit(ISP_SOFT_RESET_CMPL, &ha->fw_dump_cap_flags);
2759
2760         ql_dbg(ql_dbg_init + ql_dbg_verbose, vha, 0x015d,
2761             "HCCR: 0x%x, Soft Reset status: 0x%x\n",
2762             RD_REG_DWORD(&reg->hccr),
2763             RD_REG_DWORD(&reg->ctrl_status));
2764
2765         /* If required, do an MPI FW reset now */
2766         if (test_and_clear_bit(MPI_RESET_NEEDED, &vha->dpc_flags)) {
2767                 if (qla81xx_reset_mpi(vha) != QLA_SUCCESS) {
2768                         if (++abts_cnt < 5) {
2769                                 set_bit(ISP_ABORT_NEEDED, &vha->dpc_flags);
2770                                 set_bit(MPI_RESET_NEEDED, &vha->dpc_flags);
2771                         } else {
2772                                 /*
2773                                  * We exhausted the ISP abort retries. We have to
2774                                  * set the board offline.
2775                                  */
2776                                 abts_cnt = 0;
2777                                 vha->flags.online = 0;
2778                         }
2779                 }
2780         }
2781
2782         WRT_REG_DWORD(&reg->hccr, HCCRX_SET_RISC_RESET);
2783         RD_REG_DWORD(&reg->hccr);
2784
2785         WRT_REG_DWORD(&reg->hccr, HCCRX_REL_RISC_PAUSE);
2786         RD_REG_DWORD(&reg->hccr);
2787
2788         WRT_REG_DWORD(&reg->hccr, HCCRX_CLR_RISC_RESET);
2789         RD_REG_DWORD(&reg->hccr);
2790
2791         RD_REG_WORD(&reg->mailbox0);
2792         for (cnt = 60; RD_REG_WORD(&reg->mailbox0) != 0 &&
2793             rval == QLA_SUCCESS; cnt--) {
2794                 barrier();
2795                 if (cnt)
2796                         udelay(5);
2797                 else
2798                         rval = QLA_FUNCTION_TIMEOUT;
2799         }
2800         if (rval == QLA_SUCCESS)
2801                 set_bit(RISC_RDY_AFT_RESET, &ha->fw_dump_cap_flags);
2802
2803         ql_dbg(ql_dbg_init + ql_dbg_verbose, vha, 0x015e,
2804             "Host Risc 0x%x, mailbox0 0x%x\n",
2805             RD_REG_DWORD(&reg->hccr),
2806              RD_REG_WORD(&reg->mailbox0));
2807
2808         spin_unlock_irqrestore(&ha->hardware_lock, flags);
2809
2810         ql_dbg(ql_dbg_init + ql_dbg_verbose, vha, 0x015f,
2811             "Driver in %s mode\n",
2812             IS_NOPOLLING_TYPE(ha) ? "Interrupt" : "Polling");
2813
2814         if (IS_NOPOLLING_TYPE(ha))
2815                 ha->isp_ops->enable_intrs(ha);
2816
2817         return rval;
2818 }
2819
2820 static void
2821 qla25xx_read_risc_sema_reg(scsi_qla_host_t *vha, uint32_t *data)
2822 {
2823         struct device_reg_24xx __iomem *reg = &vha->hw->iobase->isp24;
2824
2825         WRT_REG_DWORD(&reg->iobase_addr, RISC_REGISTER_BASE_OFFSET);
2826         *data = RD_REG_DWORD(&reg->iobase_window + RISC_REGISTER_WINDOW_OFFET);
2827
2828 }
2829
2830 static void
2831 qla25xx_write_risc_sema_reg(scsi_qla_host_t *vha, uint32_t data)
2832 {
2833         struct device_reg_24xx __iomem *reg = &vha->hw->iobase->isp24;
2834
2835         WRT_REG_DWORD(&reg->iobase_addr, RISC_REGISTER_BASE_OFFSET);
2836         WRT_REG_DWORD(&reg->iobase_window + RISC_REGISTER_WINDOW_OFFET, data);
2837 }
2838
2839 static void
2840 qla25xx_manipulate_risc_semaphore(scsi_qla_host_t *vha)
2841 {
2842         uint32_t wd32 = 0;
2843         uint delta_msec = 100;
2844         uint elapsed_msec = 0;
2845         uint timeout_msec;
2846         ulong n;
2847
2848         if (vha->hw->pdev->subsystem_device != 0x0175 &&
2849             vha->hw->pdev->subsystem_device != 0x0240)
2850                 return;
2851
2852         WRT_REG_DWORD(&vha->hw->iobase->isp24.hccr, HCCRX_SET_RISC_PAUSE);
2853         udelay(100);
2854
2855 attempt:
2856         timeout_msec = TIMEOUT_SEMAPHORE;
2857         n = timeout_msec / delta_msec;
2858         while (n--) {
2859                 qla25xx_write_risc_sema_reg(vha, RISC_SEMAPHORE_SET);
2860                 qla25xx_read_risc_sema_reg(vha, &wd32);
2861                 if (wd32 & RISC_SEMAPHORE)
2862                         break;
2863                 msleep(delta_msec);
2864                 elapsed_msec += delta_msec;
2865                 if (elapsed_msec > TIMEOUT_TOTAL_ELAPSED)
2866                         goto force;
2867         }
2868
2869         if (!(wd32 & RISC_SEMAPHORE))
2870                 goto force;
2871
2872         if (!(wd32 & RISC_SEMAPHORE_FORCE))
2873                 goto acquired;
2874
2875         qla25xx_write_risc_sema_reg(vha, RISC_SEMAPHORE_CLR);
2876         timeout_msec = TIMEOUT_SEMAPHORE_FORCE;
2877         n = timeout_msec / delta_msec;
2878         while (n--) {
2879                 qla25xx_read_risc_sema_reg(vha, &wd32);
2880                 if (!(wd32 & RISC_SEMAPHORE_FORCE))
2881                         break;
2882                 msleep(delta_msec);
2883                 elapsed_msec += delta_msec;
2884                 if (elapsed_msec > TIMEOUT_TOTAL_ELAPSED)
2885                         goto force;
2886         }
2887
2888         if (wd32 & RISC_SEMAPHORE_FORCE)
2889                 qla25xx_write_risc_sema_reg(vha, RISC_SEMAPHORE_FORCE_CLR);
2890
2891         goto attempt;
2892
2893 force:
2894         qla25xx_write_risc_sema_reg(vha, RISC_SEMAPHORE_FORCE_SET);
2895
2896 acquired:
2897         return;
2898 }
2899
2900 /**
2901  * qla24xx_reset_chip() - Reset ISP24xx chip.
2902  * @vha: HA context
2903  *
2904  * Returns 0 on success.
2905  */
2906 void
2907 qla24xx_reset_chip(scsi_qla_host_t *vha)
2908 {
2909         struct qla_hw_data *ha = vha->hw;
2910
2911         if (pci_channel_offline(ha->pdev) &&
2912             ha->flags.pci_channel_io_perm_failure) {
2913                 return;
2914         }
2915
2916         ha->isp_ops->disable_intrs(ha);
2917
2918         qla25xx_manipulate_risc_semaphore(vha);
2919
2920         /* Perform RISC reset. */
2921         qla24xx_reset_risc(vha);
2922 }
2923
2924 /**
2925  * qla2x00_chip_diag() - Test chip for proper operation.
2926  * @vha: HA context
2927  *
2928  * Returns 0 on success.
2929  */
2930 int
2931 qla2x00_chip_diag(scsi_qla_host_t *vha)
2932 {
2933         int             rval;
2934         struct qla_hw_data *ha = vha->hw;
2935         struct device_reg_2xxx __iomem *reg = &ha->iobase->isp;
2936         unsigned long   flags = 0;
2937         uint16_t        data;
2938         uint32_t        cnt;
2939         uint16_t        mb[5];
2940         struct req_que *req = ha->req_q_map[0];
2941
2942         /* Assume a failed state */
2943         rval = QLA_FUNCTION_FAILED;
2944
2945         ql_dbg(ql_dbg_init, vha, 0x007b, "Testing device at %p.\n",
2946                &reg->flash_address);
2947
2948         spin_lock_irqsave(&ha->hardware_lock, flags);
2949
2950         /* Reset ISP chip. */
2951         WRT_REG_WORD(&reg->ctrl_status, CSR_ISP_SOFT_RESET);
2952
2953         /*
2954          * We need to have a delay here since the card will not respond while
2955          * in reset causing an MCA on some architectures.
2956          */
2957         udelay(20);
2958         data = qla2x00_debounce_register(&reg->ctrl_status);
2959         for (cnt = 6000000 ; cnt && (data & CSR_ISP_SOFT_RESET); cnt--) {
2960                 udelay(5);
2961                 data = RD_REG_WORD(&reg->ctrl_status);
2962                 barrier();
2963         }
2964
2965         if (!cnt)
2966                 goto chip_diag_failed;
2967
2968         ql_dbg(ql_dbg_init, vha, 0x007c,
2969             "Reset register cleared by chip reset.\n");
2970
2971         /* Reset RISC processor. */
2972         WRT_REG_WORD(&reg->hccr, HCCR_RESET_RISC);
2973         WRT_REG_WORD(&reg->hccr, HCCR_RELEASE_RISC);
2974
2975         /* Workaround for QLA2312 PCI parity error */
2976         if (IS_QLA2100(ha) || IS_QLA2200(ha) || IS_QLA2300(ha)) {
2977                 data = qla2x00_debounce_register(MAILBOX_REG(ha, reg, 0));
2978                 for (cnt = 6000000; cnt && (data == MBS_BUSY); cnt--) {
2979                         udelay(5);
2980                         data = RD_MAILBOX_REG(ha, reg, 0);
2981                         barrier();
2982                 }
2983         } else
2984                 udelay(10);
2985
2986         if (!cnt)
2987                 goto chip_diag_failed;
2988
2989         /* Check product ID of chip */
2990         ql_dbg(ql_dbg_init, vha, 0x007d, "Checking product ID of chip.\n");
2991
2992         mb[1] = RD_MAILBOX_REG(ha, reg, 1);
2993         mb[2] = RD_MAILBOX_REG(ha, reg, 2);
2994         mb[3] = RD_MAILBOX_REG(ha, reg, 3);
2995         mb[4] = qla2x00_debounce_register(MAILBOX_REG(ha, reg, 4));
2996         if (mb[1] != PROD_ID_1 || (mb[2] != PROD_ID_2 && mb[2] != PROD_ID_2a) ||
2997             mb[3] != PROD_ID_3) {
2998                 ql_log(ql_log_warn, vha, 0x0062,
2999                     "Wrong product ID = 0x%x,0x%x,0x%x.\n",
3000                     mb[1], mb[2], mb[3]);
3001
3002                 goto chip_diag_failed;
3003         }
3004         ha->product_id[0] = mb[1];
3005         ha->product_id[1] = mb[2];
3006         ha->product_id[2] = mb[3];
3007         ha->product_id[3] = mb[4];
3008
3009         /* Adjust fw RISC transfer size */
3010         if (req->length > 1024)
3011                 ha->fw_transfer_size = REQUEST_ENTRY_SIZE * 1024;
3012         else
3013                 ha->fw_transfer_size = REQUEST_ENTRY_SIZE *
3014                     req->length;
3015
3016         if (IS_QLA2200(ha) &&
3017             RD_MAILBOX_REG(ha, reg, 7) == QLA2200A_RISC_ROM_VER) {
3018                 /* Limit firmware transfer size with a 2200A */
3019                 ql_dbg(ql_dbg_init, vha, 0x007e, "Found QLA2200A Chip.\n");
3020
3021                 ha->device_type |= DT_ISP2200A;
3022                 ha->fw_transfer_size = 128;
3023         }
3024
3025         /* Wrap Incoming Mailboxes Test. */
3026         spin_unlock_irqrestore(&ha->hardware_lock, flags);
3027
3028         ql_dbg(ql_dbg_init, vha, 0x007f, "Checking mailboxes.\n");
3029         rval = qla2x00_mbx_reg_test(vha);
3030         if (rval)
3031                 ql_log(ql_log_warn, vha, 0x0080,
3032                     "Failed mailbox send register test.\n");
3033         else
3034                 /* Flag a successful rval */
3035                 rval = QLA_SUCCESS;
3036         spin_lock_irqsave(&ha->hardware_lock, flags);
3037
3038 chip_diag_failed:
3039         if (rval)
3040                 ql_log(ql_log_info, vha, 0x0081,
3041                     "Chip diagnostics **** FAILED ****.\n");
3042
3043         spin_unlock_irqrestore(&ha->hardware_lock, flags);
3044
3045         return (rval);
3046 }
3047
3048 /**
3049  * qla24xx_chip_diag() - Test ISP24xx for proper operation.
3050  * @vha: HA context
3051  *
3052  * Returns 0 on success.
3053  */
3054 int
3055 qla24xx_chip_diag(scsi_qla_host_t *vha)
3056 {
3057         int rval;
3058         struct qla_hw_data *ha = vha->hw;
3059         struct req_que *req = ha->req_q_map[0];
3060
3061         if (IS_P3P_TYPE(ha))
3062                 return QLA_SUCCESS;
3063
3064         ha->fw_transfer_size = REQUEST_ENTRY_SIZE * req->length;
3065
3066         rval = qla2x00_mbx_reg_test(vha);
3067         if (rval) {
3068                 ql_log(ql_log_warn, vha, 0x0082,
3069                     "Failed mailbox send register test.\n");
3070         } else {
3071                 /* Flag a successful rval */
3072                 rval = QLA_SUCCESS;
3073         }
3074
3075         return rval;
3076 }
3077
3078 static void
3079 qla2x00_alloc_offload_mem(scsi_qla_host_t *vha)
3080 {
3081         int rval;
3082         dma_addr_t tc_dma;
3083         void *tc;
3084         struct qla_hw_data *ha = vha->hw;
3085
3086         if (ha->eft) {
3087                 ql_dbg(ql_dbg_init, vha, 0x00bd,
3088                     "%s: Offload Mem is already allocated.\n",
3089                     __func__);
3090                 return;
3091         }
3092
3093         if (IS_FWI2_CAPABLE(ha)) {
3094                 /* Allocate memory for Fibre Channel Event Buffer. */
3095                 if (!IS_QLA25XX(ha) && !IS_QLA81XX(ha) && !IS_QLA83XX(ha) &&
3096                     !IS_QLA27XX(ha))
3097                         goto try_eft;
3098
3099                 if (ha->fce)
3100                         dma_free_coherent(&ha->pdev->dev,
3101                             FCE_SIZE, ha->fce, ha->fce_dma);
3102
3103                 /* Allocate memory for Fibre Channel Event Buffer. */
3104                 tc = dma_zalloc_coherent(&ha->pdev->dev, FCE_SIZE, &tc_dma,
3105                                          GFP_KERNEL);
3106                 if (!tc) {
3107                         ql_log(ql_log_warn, vha, 0x00be,
3108                             "Unable to allocate (%d KB) for FCE.\n",
3109                             FCE_SIZE / 1024);
3110                         goto try_eft;
3111                 }
3112
3113                 rval = qla2x00_enable_fce_trace(vha, tc_dma, FCE_NUM_BUFFERS,
3114                     ha->fce_mb, &ha->fce_bufs);
3115                 if (rval) {
3116                         ql_log(ql_log_warn, vha, 0x00bf,
3117                             "Unable to initialize FCE (%d).\n", rval);
3118                         dma_free_coherent(&ha->pdev->dev, FCE_SIZE, tc,
3119                             tc_dma);
3120                         ha->flags.fce_enabled = 0;
3121                         goto try_eft;
3122                 }
3123                 ql_dbg(ql_dbg_init, vha, 0x00c0,
3124                     "Allocate (%d KB) for FCE...\n", FCE_SIZE / 1024);
3125
3126                 ha->flags.fce_enabled = 1;
3127                 ha->fce_dma = tc_dma;
3128                 ha->fce = tc;
3129
3130 try_eft:
3131                 if (ha->eft)
3132                         dma_free_coherent(&ha->pdev->dev,
3133                             EFT_SIZE, ha->eft, ha->eft_dma);
3134
3135                 /* Allocate memory for Extended Trace Buffer. */
3136                 tc = dma_zalloc_coherent(&ha->pdev->dev, EFT_SIZE, &tc_dma,
3137                                          GFP_KERNEL);
3138                 if (!tc) {
3139                         ql_log(ql_log_warn, vha, 0x00c1,
3140                             "Unable to allocate (%d KB) for EFT.\n",
3141                             EFT_SIZE / 1024);
3142                         goto eft_err;
3143                 }
3144
3145                 rval = qla2x00_enable_eft_trace(vha, tc_dma, EFT_NUM_BUFFERS);
3146                 if (rval) {
3147                         ql_log(ql_log_warn, vha, 0x00c2,
3148                             "Unable to initialize EFT (%d).\n", rval);
3149                         dma_free_coherent(&ha->pdev->dev, EFT_SIZE, tc,
3150                             tc_dma);
3151                         goto eft_err;
3152                 }
3153                 ql_dbg(ql_dbg_init, vha, 0x00c3,
3154                     "Allocated (%d KB) EFT ...\n", EFT_SIZE / 1024);
3155
3156                 ha->eft_dma = tc_dma;
3157                 ha->eft = tc;
3158         }
3159
3160 eft_err:
3161         return;
3162 }
3163
3164 void
3165 qla2x00_alloc_fw_dump(scsi_qla_host_t *vha)
3166 {
3167         uint32_t dump_size, fixed_size, mem_size, req_q_size, rsp_q_size,
3168             eft_size, fce_size, mq_size;
3169         struct qla_hw_data *ha = vha->hw;
3170         struct req_que *req = ha->req_q_map[0];
3171         struct rsp_que *rsp = ha->rsp_q_map[0];
3172         struct qla2xxx_fw_dump *fw_dump;
3173
3174         dump_size = fixed_size = mem_size = eft_size = fce_size = mq_size = 0;
3175         req_q_size = rsp_q_size = 0;
3176
3177         if (IS_QLA2100(ha) || IS_QLA2200(ha)) {
3178                 fixed_size = sizeof(struct qla2100_fw_dump);
3179         } else if (IS_QLA23XX(ha)) {
3180                 fixed_size = offsetof(struct qla2300_fw_dump, data_ram);
3181                 mem_size = (ha->fw_memory_size - 0x11000 + 1) *
3182                     sizeof(uint16_t);
3183         } else if (IS_FWI2_CAPABLE(ha)) {
3184                 if (IS_QLA83XX(ha) || IS_QLA27XX(ha))
3185                         fixed_size = offsetof(struct qla83xx_fw_dump, ext_mem);
3186                 else if (IS_QLA81XX(ha))
3187                         fixed_size = offsetof(struct qla81xx_fw_dump, ext_mem);
3188                 else if (IS_QLA25XX(ha))
3189                         fixed_size = offsetof(struct qla25xx_fw_dump, ext_mem);
3190                 else
3191                         fixed_size = offsetof(struct qla24xx_fw_dump, ext_mem);
3192
3193                 mem_size = (ha->fw_memory_size - 0x100000 + 1) *
3194                     sizeof(uint32_t);
3195                 if (ha->mqenable) {
3196                         if (!IS_QLA83XX(ha) && !IS_QLA27XX(ha))
3197                                 mq_size = sizeof(struct qla2xxx_mq_chain);
3198                         /*
3199                          * Allocate maximum buffer size for all queues.
3200                          * Resizing must be done at end-of-dump processing.
3201                          */
3202                         mq_size += ha->max_req_queues *
3203                             (req->length * sizeof(request_t));
3204                         mq_size += ha->max_rsp_queues *
3205                             (rsp->length * sizeof(response_t));
3206                 }
3207                 if (ha->tgt.atio_ring)
3208                         mq_size += ha->tgt.atio_q_length * sizeof(request_t);
3209                 /* Allocate memory for Fibre Channel Event Buffer. */
3210                 if (!IS_QLA25XX(ha) && !IS_QLA81XX(ha) && !IS_QLA83XX(ha) &&
3211                     !IS_QLA27XX(ha))
3212                         goto try_eft;
3213
3214                 fce_size = sizeof(struct qla2xxx_fce_chain) + FCE_SIZE;
3215 try_eft:
3216                 ql_dbg(ql_dbg_init, vha, 0x00c3,
3217                     "Allocated (%d KB) EFT ...\n", EFT_SIZE / 1024);
3218                 eft_size = EFT_SIZE;
3219         }
3220
3221         if (IS_QLA27XX(ha)) {
3222                 if (!ha->fw_dump_template) {
3223                         ql_log(ql_log_warn, vha, 0x00ba,
3224                             "Failed missing fwdump template\n");
3225                         return;
3226                 }
3227                 dump_size = qla27xx_fwdt_calculate_dump_size(vha);
3228                 ql_dbg(ql_dbg_init, vha, 0x00fa,
3229                     "-> allocating fwdump (%x bytes)...\n", dump_size);
3230                 goto allocate;
3231         }
3232
3233         req_q_size = req->length * sizeof(request_t);
3234         rsp_q_size = rsp->length * sizeof(response_t);
3235         dump_size = offsetof(struct qla2xxx_fw_dump, isp);
3236         dump_size += fixed_size + mem_size + req_q_size + rsp_q_size + eft_size;
3237         ha->chain_offset = dump_size;
3238         dump_size += mq_size + fce_size;
3239
3240         if (ha->exchoffld_buf)
3241                 dump_size += sizeof(struct qla2xxx_offld_chain) +
3242                         ha->exchoffld_size;
3243         if (ha->exlogin_buf)
3244                 dump_size += sizeof(struct qla2xxx_offld_chain) +
3245                         ha->exlogin_size;
3246
3247 allocate:
3248         if (!ha->fw_dump_len || dump_size != ha->fw_dump_len) {
3249                 fw_dump = vmalloc(dump_size);
3250                 if (!fw_dump) {
3251                         ql_log(ql_log_warn, vha, 0x00c4,
3252                             "Unable to allocate (%d KB) for firmware dump.\n",
3253                             dump_size / 1024);
3254                 } else {
3255                         if (ha->fw_dump)
3256                                 vfree(ha->fw_dump);
3257                         ha->fw_dump = fw_dump;
3258
3259                         ha->fw_dump_len = dump_size;
3260                         ql_dbg(ql_dbg_init, vha, 0x00c5,
3261                             "Allocated (%d KB) for firmware dump.\n",
3262                             dump_size / 1024);
3263
3264                         if (IS_QLA27XX(ha))
3265                                 return;
3266
3267                         ha->fw_dump->signature[0] = 'Q';
3268                         ha->fw_dump->signature[1] = 'L';
3269                         ha->fw_dump->signature[2] = 'G';
3270                         ha->fw_dump->signature[3] = 'C';
3271                         ha->fw_dump->version = htonl(1);
3272
3273                         ha->fw_dump->fixed_size = htonl(fixed_size);
3274                         ha->fw_dump->mem_size = htonl(mem_size);
3275                         ha->fw_dump->req_q_size = htonl(req_q_size);
3276                         ha->fw_dump->rsp_q_size = htonl(rsp_q_size);
3277
3278                         ha->fw_dump->eft_size = htonl(eft_size);
3279                         ha->fw_dump->eft_addr_l = htonl(LSD(ha->eft_dma));
3280                         ha->fw_dump->eft_addr_h = htonl(MSD(ha->eft_dma));
3281
3282                         ha->fw_dump->header_size =
3283                                 htonl(offsetof(struct qla2xxx_fw_dump, isp));
3284                 }
3285         }
3286 }
3287
3288 static int
3289 qla81xx_mpi_sync(scsi_qla_host_t *vha)
3290 {
3291 #define MPS_MASK        0xe0
3292         int rval;
3293         uint16_t dc;
3294         uint32_t dw;
3295
3296         if (!IS_QLA81XX(vha->hw))
3297                 return QLA_SUCCESS;
3298
3299         rval = qla2x00_write_ram_word(vha, 0x7c00, 1);
3300         if (rval != QLA_SUCCESS) {
3301                 ql_log(ql_log_warn, vha, 0x0105,
3302                     "Unable to acquire semaphore.\n");
3303                 goto done;
3304         }
3305
3306         pci_read_config_word(vha->hw->pdev, 0x54, &dc);
3307         rval = qla2x00_read_ram_word(vha, 0x7a15, &dw);
3308         if (rval != QLA_SUCCESS) {
3309                 ql_log(ql_log_warn, vha, 0x0067, "Unable to read sync.\n");
3310                 goto done_release;
3311         }
3312
3313         dc &= MPS_MASK;
3314         if (dc == (dw & MPS_MASK))
3315                 goto done_release;
3316
3317         dw &= ~MPS_MASK;
3318         dw |= dc;
3319         rval = qla2x00_write_ram_word(vha, 0x7a15, dw);
3320         if (rval != QLA_SUCCESS) {
3321                 ql_log(ql_log_warn, vha, 0x0114, "Unable to gain sync.\n");
3322         }
3323
3324 done_release:
3325         rval = qla2x00_write_ram_word(vha, 0x7c00, 0);
3326         if (rval != QLA_SUCCESS) {
3327                 ql_log(ql_log_warn, vha, 0x006d,
3328                     "Unable to release semaphore.\n");
3329         }
3330
3331 done:
3332         return rval;
3333 }
3334
3335 int
3336 qla2x00_alloc_outstanding_cmds(struct qla_hw_data *ha, struct req_que *req)
3337 {
3338         /* Don't try to reallocate the array */
3339         if (req->outstanding_cmds)
3340                 return QLA_SUCCESS;
3341
3342         if (!IS_FWI2_CAPABLE(ha))
3343                 req->num_outstanding_cmds = DEFAULT_OUTSTANDING_COMMANDS;
3344         else {
3345                 if (ha->cur_fw_xcb_count <= ha->cur_fw_iocb_count)
3346                         req->num_outstanding_cmds = ha->cur_fw_xcb_count;
3347                 else
3348                         req->num_outstanding_cmds = ha->cur_fw_iocb_count;
3349         }
3350
3351         req->outstanding_cmds = kcalloc(req->num_outstanding_cmds,
3352                                         sizeof(srb_t *),
3353                                         GFP_KERNEL);
3354
3355         if (!req->outstanding_cmds) {
3356                 /*
3357                  * Try to allocate a minimal size just so we can get through
3358                  * initialization.
3359                  */
3360                 req->num_outstanding_cmds = MIN_OUTSTANDING_COMMANDS;
3361                 req->outstanding_cmds = kcalloc(req->num_outstanding_cmds,
3362                                                 sizeof(srb_t *),
3363                                                 GFP_KERNEL);
3364
3365                 if (!req->outstanding_cmds) {
3366                         ql_log(ql_log_fatal, NULL, 0x0126,
3367                             "Failed to allocate memory for "
3368                             "outstanding_cmds for req_que %p.\n", req);
3369                         req->num_outstanding_cmds = 0;
3370                         return QLA_FUNCTION_FAILED;
3371                 }
3372         }
3373
3374         return QLA_SUCCESS;
3375 }
3376
3377 #define PRINT_FIELD(_field, _flag, _str) {              \
3378         if (a0->_field & _flag) {\
3379                 if (p) {\
3380                         strcat(ptr, "|");\
3381                         ptr++;\
3382                         leftover--;\
3383                 } \
3384                 len = snprintf(ptr, leftover, "%s", _str);      \
3385                 p = 1;\
3386                 leftover -= len;\
3387                 ptr += len; \
3388         } \
3389 }
3390
3391 static void qla2xxx_print_sfp_info(struct scsi_qla_host *vha)
3392 {
3393 #define STR_LEN 64
3394         struct sff_8247_a0 *a0 = (struct sff_8247_a0 *)vha->hw->sfp_data;
3395         u8 str[STR_LEN], *ptr, p;
3396         int leftover, len;
3397
3398         memset(str, 0, STR_LEN);
3399         snprintf(str, SFF_VEN_NAME_LEN+1, a0->vendor_name);
3400         ql_dbg(ql_dbg_init, vha, 0x015a,
3401             "SFP MFG Name: %s\n", str);
3402
3403         memset(str, 0, STR_LEN);
3404         snprintf(str, SFF_PART_NAME_LEN+1, a0->vendor_pn);
3405         ql_dbg(ql_dbg_init, vha, 0x015c,
3406             "SFP Part Name: %s\n", str);
3407
3408         /* media */
3409         memset(str, 0, STR_LEN);
3410         ptr = str;
3411         leftover = STR_LEN;
3412         p = len = 0;
3413         PRINT_FIELD(fc_med_cc9, FC_MED_TW, "Twin AX");
3414         PRINT_FIELD(fc_med_cc9, FC_MED_TP, "Twisted Pair");
3415         PRINT_FIELD(fc_med_cc9, FC_MED_MI, "Min Coax");
3416         PRINT_FIELD(fc_med_cc9, FC_MED_TV, "Video Coax");
3417         PRINT_FIELD(fc_med_cc9, FC_MED_M6, "MultiMode 62.5um");
3418         PRINT_FIELD(fc_med_cc9, FC_MED_M5, "MultiMode 50um");
3419         PRINT_FIELD(fc_med_cc9, FC_MED_SM, "SingleMode");
3420         ql_dbg(ql_dbg_init, vha, 0x0160,
3421             "SFP Media: %s\n", str);
3422
3423         /* link length */
3424         memset(str, 0, STR_LEN);
3425         ptr = str;
3426         leftover = STR_LEN;
3427         p = len = 0;
3428         PRINT_FIELD(fc_ll_cc7, FC_LL_VL, "Very Long");
3429         PRINT_FIELD(fc_ll_cc7, FC_LL_S, "Short");
3430         PRINT_FIELD(fc_ll_cc7, FC_LL_I, "Intermediate");
3431         PRINT_FIELD(fc_ll_cc7, FC_LL_L, "Long");
3432         PRINT_FIELD(fc_ll_cc7, FC_LL_M, "Medium");
3433         ql_dbg(ql_dbg_init, vha, 0x0196,
3434             "SFP Link Length: %s\n", str);
3435
3436         memset(str, 0, STR_LEN);
3437         ptr = str;
3438         leftover = STR_LEN;
3439         p = len = 0;
3440         PRINT_FIELD(fc_ll_cc7, FC_LL_SA, "Short Wave (SA)");
3441         PRINT_FIELD(fc_ll_cc7, FC_LL_LC, "Long Wave(LC)");
3442         PRINT_FIELD(fc_tec_cc8, FC_TEC_SN, "Short Wave (SN)");
3443         PRINT_FIELD(fc_tec_cc8, FC_TEC_SL, "Short Wave (SL)");
3444         PRINT_FIELD(fc_tec_cc8, FC_TEC_LL, "Long Wave (LL)");
3445         ql_dbg(ql_dbg_init, vha, 0x016e,
3446             "SFP FC Link Tech: %s\n", str);
3447
3448         if (a0->length_km)
3449                 ql_dbg(ql_dbg_init, vha, 0x016f,
3450                     "SFP Distant: %d km\n", a0->length_km);
3451         if (a0->length_100m)
3452                 ql_dbg(ql_dbg_init, vha, 0x0170,
3453                     "SFP Distant: %d m\n", a0->length_100m*100);
3454         if (a0->length_50um_10m)
3455                 ql_dbg(ql_dbg_init, vha, 0x0189,
3456                     "SFP Distant (WL=50um): %d m\n", a0->length_50um_10m * 10);
3457         if (a0->length_62um_10m)
3458                 ql_dbg(ql_dbg_init, vha, 0x018a,
3459                   "SFP Distant (WL=62.5um): %d m\n", a0->length_62um_10m * 10);
3460         if (a0->length_om4_10m)
3461                 ql_dbg(ql_dbg_init, vha, 0x0194,
3462                     "SFP Distant (OM4): %d m\n", a0->length_om4_10m * 10);
3463         if (a0->length_om3_10m)
3464                 ql_dbg(ql_dbg_init, vha, 0x0195,
3465                     "SFP Distant (OM3): %d m\n", a0->length_om3_10m * 10);
3466 }
3467
3468
3469 /*
3470  * Return Code:
3471  *   QLA_SUCCESS: no action
3472  *   QLA_INTERFACE_ERROR: SFP is not there.
3473  *   QLA_FUNCTION_FAILED: detected New SFP
3474  */
3475 int
3476 qla24xx_detect_sfp(scsi_qla_host_t *vha)
3477 {
3478         int rc = QLA_SUCCESS;
3479         struct sff_8247_a0 *a;
3480         struct qla_hw_data *ha = vha->hw;
3481
3482         if (!AUTO_DETECT_SFP_SUPPORT(vha))
3483                 goto out;
3484
3485         rc = qla2x00_read_sfp_dev(vha, NULL, 0);
3486         if (rc)
3487                 goto out;
3488
3489         a = (struct sff_8247_a0 *)vha->hw->sfp_data;
3490         qla2xxx_print_sfp_info(vha);
3491
3492         if (a->fc_ll_cc7 & FC_LL_VL || a->fc_ll_cc7 & FC_LL_L) {
3493                 /* long range */
3494                 ha->flags.detected_lr_sfp = 1;
3495
3496                 if (a->length_km > 5 || a->length_100m > 50)
3497                         ha->long_range_distance = LR_DISTANCE_10K;
3498                 else
3499                         ha->long_range_distance = LR_DISTANCE_5K;
3500
3501                 if (ha->flags.detected_lr_sfp != ha->flags.using_lr_setting)
3502                         ql_dbg(ql_dbg_async, vha, 0x507b,
3503                             "Detected Long Range SFP.\n");
3504         } else {
3505                 /* short range */
3506                 ha->flags.detected_lr_sfp = 0;
3507                 if (ha->flags.using_lr_setting)
3508                         ql_dbg(ql_dbg_async, vha, 0x5084,
3509                             "Detected Short Range SFP.\n");
3510         }
3511
3512         if (!vha->flags.init_done)
3513                 rc = QLA_SUCCESS;
3514 out:
3515         return rc;
3516 }
3517
3518 /**
3519  * qla2x00_setup_chip() - Load and start RISC firmware.
3520  * @vha: HA context
3521  *
3522  * Returns 0 on success.
3523  */
3524 static int
3525 qla2x00_setup_chip(scsi_qla_host_t *vha)
3526 {
3527         int rval;
3528         uint32_t srisc_address = 0;
3529         struct qla_hw_data *ha = vha->hw;
3530         struct device_reg_2xxx __iomem *reg = &ha->iobase->isp;
3531         unsigned long flags;
3532         uint16_t fw_major_version;
3533
3534         if (IS_P3P_TYPE(ha)) {
3535                 rval = ha->isp_ops->load_risc(vha, &srisc_address);
3536                 if (rval == QLA_SUCCESS) {
3537                         qla2x00_stop_firmware(vha);
3538                         goto enable_82xx_npiv;
3539                 } else
3540                         goto failed;
3541         }
3542
3543         if (!IS_FWI2_CAPABLE(ha) && !IS_QLA2100(ha) && !IS_QLA2200(ha)) {
3544                 /* Disable SRAM, Instruction RAM and GP RAM parity.  */
3545                 spin_lock_irqsave(&ha->hardware_lock, flags);
3546                 WRT_REG_WORD(&reg->hccr, (HCCR_ENABLE_PARITY + 0x0));
3547                 RD_REG_WORD(&reg->hccr);
3548                 spin_unlock_irqrestore(&ha->hardware_lock, flags);
3549         }
3550
3551         qla81xx_mpi_sync(vha);
3552
3553         /* Load firmware sequences */
3554         rval = ha->isp_ops->load_risc(vha, &srisc_address);
3555         if (rval == QLA_SUCCESS) {
3556                 ql_dbg(ql_dbg_init, vha, 0x00c9,
3557                     "Verifying Checksum of loaded RISC code.\n");
3558
3559                 rval = qla2x00_verify_checksum(vha, srisc_address);
3560                 if (rval == QLA_SUCCESS) {
3561                         /* Start firmware execution. */
3562                         ql_dbg(ql_dbg_init, vha, 0x00ca,
3563                             "Starting firmware.\n");
3564
3565                         if (ql2xexlogins)
3566                                 ha->flags.exlogins_enabled = 1;
3567
3568                         if (qla_is_exch_offld_enabled(vha))
3569                                 ha->flags.exchoffld_enabled = 1;
3570
3571                         rval = qla2x00_execute_fw(vha, srisc_address);
3572                         /* Retrieve firmware information. */
3573                         if (rval == QLA_SUCCESS) {
3574                                 qla24xx_detect_sfp(vha);
3575
3576                                 if ((IS_QLA83XX(ha) || IS_QLA27XX(ha)) &&
3577                                     (ha->zio_mode == QLA_ZIO_MODE_6))
3578                                         qla27xx_set_zio_threshold(vha,
3579                                             ha->last_zio_threshold);
3580
3581                                 rval = qla2x00_set_exlogins_buffer(vha);
3582                                 if (rval != QLA_SUCCESS)
3583                                         goto failed;
3584
3585                                 rval = qla2x00_set_exchoffld_buffer(vha);
3586                                 if (rval != QLA_SUCCESS)
3587                                         goto failed;
3588
3589 enable_82xx_npiv:
3590                                 fw_major_version = ha->fw_major_version;
3591                                 if (IS_P3P_TYPE(ha))
3592                                         qla82xx_check_md_needed(vha);
3593                                 else
3594                                         rval = qla2x00_get_fw_version(vha);
3595                                 if (rval != QLA_SUCCESS)
3596                                         goto failed;
3597                                 ha->flags.npiv_supported = 0;
3598                                 if (IS_QLA2XXX_MIDTYPE(ha) &&
3599                                          (ha->fw_attributes & BIT_2)) {
3600                                         ha->flags.npiv_supported = 1;
3601                                         if ((!ha->max_npiv_vports) ||
3602                                             ((ha->max_npiv_vports + 1) %
3603                                             MIN_MULTI_ID_FABRIC))
3604                                                 ha->max_npiv_vports =
3605                                                     MIN_MULTI_ID_FABRIC - 1;
3606                                 }
3607                                 qla2x00_get_resource_cnts(vha);
3608
3609                                 /*
3610                                  * Allocate the array of outstanding commands
3611                                  * now that we know the firmware resources.
3612                                  */
3613                                 rval = qla2x00_alloc_outstanding_cmds(ha,
3614                                     vha->req);
3615                                 if (rval != QLA_SUCCESS)
3616                                         goto failed;
3617
3618                                 if (!fw_major_version && !(IS_P3P_TYPE(ha)))
3619                                         qla2x00_alloc_offload_mem(vha);
3620
3621                                 if (ql2xallocfwdump && !(IS_P3P_TYPE(ha)))
3622                                         qla2x00_alloc_fw_dump(vha);
3623
3624                         } else {
3625                                 goto failed;
3626                         }
3627                 } else {
3628                         ql_log(ql_log_fatal, vha, 0x00cd,
3629                             "ISP Firmware failed checksum.\n");
3630                         goto failed;
3631                 }
3632         } else
3633                 goto failed;
3634
3635         if (!IS_FWI2_CAPABLE(ha) && !IS_QLA2100(ha) && !IS_QLA2200(ha)) {
3636                 /* Enable proper parity. */
3637                 spin_lock_irqsave(&ha->hardware_lock, flags);
3638                 if (IS_QLA2300(ha))
3639                         /* SRAM parity */
3640                         WRT_REG_WORD(&reg->hccr, HCCR_ENABLE_PARITY + 0x1);
3641                 else
3642                         /* SRAM, Instruction RAM and GP RAM parity */
3643                         WRT_REG_WORD(&reg->hccr, HCCR_ENABLE_PARITY + 0x7);
3644                 RD_REG_WORD(&reg->hccr);
3645                 spin_unlock_irqrestore(&ha->hardware_lock, flags);
3646         }
3647
3648         if (IS_QLA27XX(ha))
3649                 ha->flags.fac_supported = 1;
3650         else if (rval == QLA_SUCCESS && IS_FAC_REQUIRED(ha)) {
3651                 uint32_t size;
3652
3653                 rval = qla81xx_fac_get_sector_size(vha, &size);
3654                 if (rval == QLA_SUCCESS) {
3655                         ha->flags.fac_supported = 1;
3656                         ha->fdt_block_size = size << 2;
3657                 } else {
3658                         ql_log(ql_log_warn, vha, 0x00ce,
3659                             "Unsupported FAC firmware (%d.%02d.%02d).\n",
3660                             ha->fw_major_version, ha->fw_minor_version,
3661                             ha->fw_subminor_version);
3662
3663                         if (IS_QLA83XX(ha) || IS_QLA27XX(ha)) {
3664                                 ha->flags.fac_supported = 0;
3665                                 rval = QLA_SUCCESS;
3666                         }
3667                 }
3668         }
3669 failed:
3670         if (rval) {
3671                 ql_log(ql_log_fatal, vha, 0x00cf,
3672                     "Setup chip ****FAILED****.\n");
3673         }
3674
3675         return (rval);
3676 }
3677
3678 /**
3679  * qla2x00_init_response_q_entries() - Initializes response queue entries.
3680  * @rsp: response queue
3681  *
3682  * Beginning of request ring has initialization control block already built
3683  * by nvram config routine.
3684  *
3685  * Returns 0 on success.
3686  */
3687 void
3688 qla2x00_init_response_q_entries(struct rsp_que *rsp)
3689 {
3690         uint16_t cnt;
3691         response_t *pkt;
3692
3693         rsp->ring_ptr = rsp->ring;
3694         rsp->ring_index    = 0;
3695         rsp->status_srb = NULL;
3696         pkt = rsp->ring_ptr;
3697         for (cnt = 0; cnt < rsp->length; cnt++) {
3698                 pkt->signature = RESPONSE_PROCESSED;
3699                 pkt++;
3700         }
3701 }
3702
3703 /**
3704  * qla2x00_update_fw_options() - Read and process firmware options.
3705  * @vha: HA context
3706  *
3707  * Returns 0 on success.
3708  */
3709 void
3710 qla2x00_update_fw_options(scsi_qla_host_t *vha)
3711 {
3712         uint16_t swing, emphasis, tx_sens, rx_sens;
3713         struct qla_hw_data *ha = vha->hw;
3714
3715         memset(ha->fw_options, 0, sizeof(ha->fw_options));
3716         qla2x00_get_fw_options(vha, ha->fw_options);
3717
3718         if (IS_QLA2100(ha) || IS_QLA2200(ha))
3719                 return;
3720
3721         /* Serial Link options. */
3722         ql_dbg(ql_dbg_init + ql_dbg_buffer, vha, 0x0115,
3723             "Serial link options.\n");
3724         ql_dump_buffer(ql_dbg_init + ql_dbg_buffer, vha, 0x0109,
3725             (uint8_t *)&ha->fw_seriallink_options,
3726             sizeof(ha->fw_seriallink_options));
3727
3728         ha->fw_options[1] &= ~FO1_SET_EMPHASIS_SWING;
3729         if (ha->fw_seriallink_options[3] & BIT_2) {
3730                 ha->fw_options[1] |= FO1_SET_EMPHASIS_SWING;
3731
3732                 /*  1G settings */
3733                 swing = ha->fw_seriallink_options[2] & (BIT_2 | BIT_1 | BIT_0);
3734                 emphasis = (ha->fw_seriallink_options[2] &
3735                     (BIT_4 | BIT_3)) >> 3;
3736                 tx_sens = ha->fw_seriallink_options[0] &
3737                     (BIT_3 | BIT_2 | BIT_1 | BIT_0);
3738                 rx_sens = (ha->fw_seriallink_options[0] &
3739                     (BIT_7 | BIT_6 | BIT_5 | BIT_4)) >> 4;
3740                 ha->fw_options[10] = (emphasis << 14) | (swing << 8);
3741                 if (IS_QLA2300(ha) || IS_QLA2312(ha) || IS_QLA6312(ha)) {
3742                         if (rx_sens == 0x0)
3743                                 rx_sens = 0x3;
3744                         ha->fw_options[10] |= (tx_sens << 4) | rx_sens;
3745                 } else if (IS_QLA2322(ha) || IS_QLA6322(ha))
3746                         ha->fw_options[10] |= BIT_5 |
3747                             ((rx_sens & (BIT_1 | BIT_0)) << 2) |
3748                             (tx_sens & (BIT_1 | BIT_0));
3749
3750                 /*  2G settings */
3751                 swing = (ha->fw_seriallink_options[2] &
3752                     (BIT_7 | BIT_6 | BIT_5)) >> 5;
3753                 emphasis = ha->fw_seriallink_options[3] & (BIT_1 | BIT_0);
3754                 tx_sens = ha->fw_seriallink_options[1] &
3755                     (BIT_3 | BIT_2 | BIT_1 | BIT_0);
3756                 rx_sens = (ha->fw_seriallink_options[1] &
3757                     (BIT_7 | BIT_6 | BIT_5 | BIT_4)) >> 4;
3758                 ha->fw_options[11] = (emphasis << 14) | (swing << 8);
3759                 if (IS_QLA2300(ha) || IS_QLA2312(ha) || IS_QLA6312(ha)) {
3760                         if (rx_sens == 0x0)
3761                                 rx_sens = 0x3;
3762                         ha->fw_options[11] |= (tx_sens << 4) | rx_sens;
3763                 } else if (IS_QLA2322(ha) || IS_QLA6322(ha))
3764                         ha->fw_options[11] |= BIT_5 |
3765                             ((rx_sens & (BIT_1 | BIT_0)) << 2) |
3766                             (tx_sens & (BIT_1 | BIT_0));
3767         }
3768
3769         /* FCP2 options. */
3770         /*  Return command IOCBs without waiting for an ABTS to complete. */
3771         ha->fw_options[3] |= BIT_13;
3772
3773         /* LED scheme. */
3774         if (ha->flags.enable_led_scheme)
3775                 ha->fw_options[2] |= BIT_12;
3776
3777         /* Detect ISP6312. */
3778         if (IS_QLA6312(ha))
3779                 ha->fw_options[2] |= BIT_13;
3780
3781         /* Set Retry FLOGI in case of P2P connection */
3782         if (ha->operating_mode == P2P) {
3783                 ha->fw_options[2] |= BIT_3;
3784                 ql_dbg(ql_dbg_disc, vha, 0x2100,
3785                     "(%s): Setting FLOGI retry BIT in fw_options[2]: 0x%x\n",
3786                         __func__, ha->fw_options[2]);
3787         }
3788
3789         /* Update firmware options. */
3790         qla2x00_set_fw_options(vha, ha->fw_options);
3791 }
3792
3793 void
3794 qla24xx_update_fw_options(scsi_qla_host_t *vha)
3795 {
3796         int rval;
3797         struct qla_hw_data *ha = vha->hw;
3798
3799         if (IS_P3P_TYPE(ha))
3800                 return;
3801
3802         /*  Hold status IOCBs until ABTS response received. */
3803         if (ql2xfwholdabts)
3804                 ha->fw_options[3] |= BIT_12;
3805
3806         /* Set Retry FLOGI in case of P2P connection */
3807         if (ha->operating_mode == P2P) {
3808                 ha->fw_options[2] |= BIT_3;
3809                 ql_dbg(ql_dbg_disc, vha, 0x2101,
3810                     "(%s): Setting FLOGI retry BIT in fw_options[2]: 0x%x\n",
3811                         __func__, ha->fw_options[2]);
3812         }
3813
3814         /* Move PUREX, ABTS RX & RIDA to ATIOQ */
3815         if (ql2xmvasynctoatio &&
3816             (IS_QLA83XX(ha) || IS_QLA27XX(ha))) {
3817                 if (qla_tgt_mode_enabled(vha) ||
3818                     qla_dual_mode_enabled(vha))
3819                         ha->fw_options[2] |= BIT_11;
3820                 else
3821                         ha->fw_options[2] &= ~BIT_11;
3822         }
3823
3824         if (IS_QLA25XX(ha) || IS_QLA83XX(ha) || IS_QLA27XX(ha)) {
3825                 /*
3826                  * Tell FW to track each exchange to prevent
3827                  * driver from using stale exchange.
3828                  */
3829                 if (qla_tgt_mode_enabled(vha) ||
3830                     qla_dual_mode_enabled(vha))
3831                         ha->fw_options[2] |= BIT_4;
3832                 else
3833                         ha->fw_options[2] &= ~BIT_4;
3834
3835                 /* Reserve 1/2 of emergency exchanges for ELS.*/
3836                 if (qla2xuseresexchforels)
3837                         ha->fw_options[2] |= BIT_8;
3838                 else
3839                         ha->fw_options[2] &= ~BIT_8;
3840         }
3841
3842         ql_dbg(ql_dbg_init, vha, 0x00e8,
3843             "%s, add FW options 1-3 = 0x%04x 0x%04x 0x%04x mode %x\n",
3844             __func__, ha->fw_options[1], ha->fw_options[2],
3845             ha->fw_options[3], vha->host->active_mode);
3846
3847         if (ha->fw_options[1] || ha->fw_options[2] || ha->fw_options[3])
3848                 qla2x00_set_fw_options(vha, ha->fw_options);
3849
3850         /* Update Serial Link options. */
3851         if ((le16_to_cpu(ha->fw_seriallink_options24[0]) & BIT_0) == 0)
3852                 return;
3853
3854         rval = qla2x00_set_serdes_params(vha,
3855             le16_to_cpu(ha->fw_seriallink_options24[1]),
3856             le16_to_cpu(ha->fw_seriallink_options24[2]),
3857             le16_to_cpu(ha->fw_seriallink_options24[3]));
3858         if (rval != QLA_SUCCESS) {
3859                 ql_log(ql_log_warn, vha, 0x0104,
3860                     "Unable to update Serial Link options (%x).\n", rval);
3861         }
3862 }
3863
3864 void
3865 qla2x00_config_rings(struct scsi_qla_host *vha)
3866 {
3867         struct qla_hw_data *ha = vha->hw;
3868         struct device_reg_2xxx __iomem *reg = &ha->iobase->isp;
3869         struct req_que *req = ha->req_q_map[0];
3870         struct rsp_que *rsp = ha->rsp_q_map[0];
3871
3872         /* Setup ring parameters in initialization control block. */
3873         ha->init_cb->request_q_outpointer = cpu_to_le16(0);
3874         ha->init_cb->response_q_inpointer = cpu_to_le16(0);
3875         ha->init_cb->request_q_length = cpu_to_le16(req->length);
3876         ha->init_cb->response_q_length = cpu_to_le16(rsp->length);
3877         ha->init_cb->request_q_address[0] = cpu_to_le32(LSD(req->dma));
3878         ha->init_cb->request_q_address[1] = cpu_to_le32(MSD(req->dma));
3879         ha->init_cb->response_q_address[0] = cpu_to_le32(LSD(rsp->dma));
3880         ha->init_cb->response_q_address[1] = cpu_to_le32(MSD(rsp->dma));
3881
3882         WRT_REG_WORD(ISP_REQ_Q_IN(ha, reg), 0);
3883         WRT_REG_WORD(ISP_REQ_Q_OUT(ha, reg), 0);
3884         WRT_REG_WORD(ISP_RSP_Q_IN(ha, reg), 0);
3885         WRT_REG_WORD(ISP_RSP_Q_OUT(ha, reg), 0);
3886         RD_REG_WORD(ISP_RSP_Q_OUT(ha, reg));            /* PCI Posting. */
3887 }
3888
3889 void
3890 qla24xx_config_rings(struct scsi_qla_host *vha)
3891 {
3892         struct qla_hw_data *ha = vha->hw;
3893         device_reg_t *reg = ISP_QUE_REG(ha, 0);
3894         struct device_reg_2xxx __iomem *ioreg = &ha->iobase->isp;
3895         struct qla_msix_entry *msix;
3896         struct init_cb_24xx *icb;
3897         uint16_t rid = 0;
3898         struct req_que *req = ha->req_q_map[0];
3899         struct rsp_que *rsp = ha->rsp_q_map[0];
3900
3901         /* Setup ring parameters in initialization control block. */
3902         icb = (struct init_cb_24xx *)ha->init_cb;
3903         icb->request_q_outpointer = cpu_to_le16(0);
3904         icb->response_q_inpointer = cpu_to_le16(0);
3905         icb->request_q_length = cpu_to_le16(req->length);
3906         icb->response_q_length = cpu_to_le16(rsp->length);
3907         icb->request_q_address[0] = cpu_to_le32(LSD(req->dma));
3908         icb->request_q_address[1] = cpu_to_le32(MSD(req->dma));
3909         icb->response_q_address[0] = cpu_to_le32(LSD(rsp->dma));
3910         icb->response_q_address[1] = cpu_to_le32(MSD(rsp->dma));
3911
3912         /* Setup ATIO queue dma pointers for target mode */
3913         icb->atio_q_inpointer = cpu_to_le16(0);
3914         icb->atio_q_length = cpu_to_le16(ha->tgt.atio_q_length);
3915         icb->atio_q_address[0] = cpu_to_le32(LSD(ha->tgt.atio_dma));
3916         icb->atio_q_address[1] = cpu_to_le32(MSD(ha->tgt.atio_dma));
3917
3918         if (IS_SHADOW_REG_CAPABLE(ha))
3919                 icb->firmware_options_2 |= cpu_to_le32(BIT_30|BIT_29);
3920
3921         if (ha->mqenable || IS_QLA83XX(ha) || IS_QLA27XX(ha)) {
3922                 icb->qos = cpu_to_le16(QLA_DEFAULT_QUE_QOS);
3923                 icb->rid = cpu_to_le16(rid);
3924                 if (ha->flags.msix_enabled) {
3925                         msix = &ha->msix_entries[1];
3926                         ql_dbg(ql_dbg_init, vha, 0x0019,
3927                             "Registering vector 0x%x for base que.\n",
3928                             msix->entry);
3929                         icb->msix = cpu_to_le16(msix->entry);
3930                 }
3931                 /* Use alternate PCI bus number */
3932                 if (MSB(rid))
3933                         icb->firmware_options_2 |= cpu_to_le32(BIT_19);
3934                 /* Use alternate PCI devfn */
3935                 if (LSB(rid))
3936                         icb->firmware_options_2 |= cpu_to_le32(BIT_18);
3937
3938                 /* Use Disable MSIX Handshake mode for capable adapters */
3939                 if ((ha->fw_attributes & BIT_6) && (IS_MSIX_NACK_CAPABLE(ha)) &&
3940                     (ha->flags.msix_enabled)) {
3941                         icb->firmware_options_2 &= cpu_to_le32(~BIT_22);
3942                         ha->flags.disable_msix_handshake = 1;
3943                         ql_dbg(ql_dbg_init, vha, 0x00fe,
3944                             "MSIX Handshake Disable Mode turned on.\n");
3945                 } else {
3946                         icb->firmware_options_2 |= cpu_to_le32(BIT_22);
3947                 }
3948                 icb->firmware_options_2 |= cpu_to_le32(BIT_23);
3949
3950                 WRT_REG_DWORD(&reg->isp25mq.req_q_in, 0);
3951                 WRT_REG_DWORD(&reg->isp25mq.req_q_out, 0);
3952                 WRT_REG_DWORD(&reg->isp25mq.rsp_q_in, 0);
3953                 WRT_REG_DWORD(&reg->isp25mq.rsp_q_out, 0);
3954         } else {
3955                 WRT_REG_DWORD(&reg->isp24.req_q_in, 0);
3956                 WRT_REG_DWORD(&reg->isp24.req_q_out, 0);
3957                 WRT_REG_DWORD(&reg->isp24.rsp_q_in, 0);
3958                 WRT_REG_DWORD(&reg->isp24.rsp_q_out, 0);
3959         }
3960         qlt_24xx_config_rings(vha);
3961
3962         /* PCI posting */
3963         RD_REG_DWORD(&ioreg->hccr);
3964 }
3965
3966 /**
3967  * qla2x00_init_rings() - Initializes firmware.
3968  * @vha: HA context
3969  *
3970  * Beginning of request ring has initialization control block already built
3971  * by nvram config routine.
3972  *
3973  * Returns 0 on success.
3974  */
3975 int
3976 qla2x00_init_rings(scsi_qla_host_t *vha)
3977 {
3978         int     rval;
3979         unsigned long flags = 0;
3980         int cnt, que;
3981         struct qla_hw_data *ha = vha->hw;
3982         struct req_que *req;
3983         struct rsp_que *rsp;
3984         struct mid_init_cb_24xx *mid_init_cb =
3985             (struct mid_init_cb_24xx *) ha->init_cb;
3986
3987         spin_lock_irqsave(&ha->hardware_lock, flags);
3988
3989         /* Clear outstanding commands array. */
3990         for (que = 0; que < ha->max_req_queues; que++) {
3991                 req = ha->req_q_map[que];
3992                 if (!req || !test_bit(que, ha->req_qid_map))
3993                         continue;
3994                 req->out_ptr = (void *)(req->ring + req->length);
3995                 *req->out_ptr = 0;
3996                 for (cnt = 1; cnt < req->num_outstanding_cmds; cnt++)
3997                         req->outstanding_cmds[cnt] = NULL;
3998
3999                 req->current_outstanding_cmd = 1;
4000
4001                 /* Initialize firmware. */
4002                 req->ring_ptr  = req->ring;
4003                 req->ring_index    = 0;
4004                 req->cnt      = req->length;
4005         }
4006
4007         for (que = 0; que < ha->max_rsp_queues; que++) {
4008                 rsp = ha->rsp_q_map[que];
4009                 if (!rsp || !test_bit(que, ha->rsp_qid_map))
4010                         continue;
4011                 rsp->in_ptr = (void *)(rsp->ring + rsp->length);
4012                 *rsp->in_ptr = 0;
4013                 /* Initialize response queue entries */
4014                 if (IS_QLAFX00(ha))
4015                         qlafx00_init_response_q_entries(rsp);
4016                 else
4017                         qla2x00_init_response_q_entries(rsp);
4018         }
4019
4020         ha->tgt.atio_ring_ptr = ha->tgt.atio_ring;
4021         ha->tgt.atio_ring_index = 0;
4022         /* Initialize ATIO queue entries */
4023         qlt_init_atio_q_entries(vha);
4024
4025         ha->isp_ops->config_rings(vha);
4026
4027         spin_unlock_irqrestore(&ha->hardware_lock, flags);
4028
4029         ql_dbg(ql_dbg_init, vha, 0x00d1, "Issue init firmware.\n");
4030
4031         if (IS_QLAFX00(ha)) {
4032                 rval = qlafx00_init_firmware(vha, ha->init_cb_size);
4033                 goto next_check;
4034         }
4035
4036         /* Update any ISP specific firmware options before initialization. */
4037         ha->isp_ops->update_fw_options(vha);
4038
4039         if (ha->flags.npiv_supported) {
4040                 if (ha->operating_mode == LOOP && !IS_CNA_CAPABLE(ha))
4041                         ha->max_npiv_vports = MIN_MULTI_ID_FABRIC - 1;
4042                 mid_init_cb->count = cpu_to_le16(ha->max_npiv_vports);
4043         }
4044
4045         if (IS_FWI2_CAPABLE(ha)) {
4046                 mid_init_cb->options = cpu_to_le16(BIT_1);
4047                 mid_init_cb->init_cb.execution_throttle =
4048                     cpu_to_le16(ha->cur_fw_xcb_count);
4049                 ha->flags.dport_enabled =
4050                     (mid_init_cb->init_cb.firmware_options_1 & BIT_7) != 0;
4051                 ql_dbg(ql_dbg_init, vha, 0x0191, "DPORT Support: %s.\n",
4052                     (ha->flags.dport_enabled) ? "enabled" : "disabled");
4053                 /* FA-WWPN Status */
4054                 ha->flags.fawwpn_enabled =
4055                     (mid_init_cb->init_cb.firmware_options_1 & BIT_6) != 0;
4056                 ql_dbg(ql_dbg_init, vha, 0x00bc, "FA-WWPN Support: %s.\n",
4057                     (ha->flags.fawwpn_enabled) ? "enabled" : "disabled");
4058         }
4059
4060         rval = qla2x00_init_firmware(vha, ha->init_cb_size);
4061 next_check:
4062         if (rval) {
4063                 ql_log(ql_log_fatal, vha, 0x00d2,
4064                     "Init Firmware **** FAILED ****.\n");
4065         } else {
4066                 ql_dbg(ql_dbg_init, vha, 0x00d3,
4067                     "Init Firmware -- success.\n");
4068                 QLA_FW_STARTED(ha);
4069                 vha->u_ql2xexchoffld = vha->u_ql2xiniexchg = 0;
4070         }
4071
4072         return (rval);
4073 }
4074
4075 /**
4076  * qla2x00_fw_ready() - Waits for firmware ready.
4077  * @vha: HA context
4078  *
4079  * Returns 0 on success.
4080  */
4081 static int
4082 qla2x00_fw_ready(scsi_qla_host_t *vha)
4083 {
4084         int             rval;
4085         unsigned long   wtime, mtime, cs84xx_time;
4086         uint16_t        min_wait;       /* Minimum wait time if loop is down */
4087         uint16_t        wait_time;      /* Wait time if loop is coming ready */
4088         uint16_t        state[6];
4089         struct qla_hw_data *ha = vha->hw;
4090
4091         if (IS_QLAFX00(vha->hw))
4092                 return qlafx00_fw_ready(vha);
4093
4094         rval = QLA_SUCCESS;
4095
4096         /* Time to wait for loop down */
4097         if (IS_P3P_TYPE(ha))
4098                 min_wait = 30;
4099         else
4100                 min_wait = 20;
4101
4102         /*
4103          * Firmware should take at most one RATOV to login, plus 5 seconds for
4104          * our own processing.
4105          */
4106         if ((wait_time = (ha->retry_count*ha->login_timeout) + 5) < min_wait) {
4107                 wait_time = min_wait;
4108         }
4109
4110         /* Min wait time if loop down */
4111         mtime = jiffies + (min_wait * HZ);
4112
4113         /* wait time before firmware ready */
4114         wtime = jiffies + (wait_time * HZ);
4115
4116         /* Wait for ISP to finish LIP */
4117         if (!vha->flags.init_done)
4118                 ql_log(ql_log_info, vha, 0x801e,
4119                     "Waiting for LIP to complete.\n");
4120
4121         do {
4122                 memset(state, -1, sizeof(state));
4123                 rval = qla2x00_get_firmware_state(vha, state);
4124                 if (rval == QLA_SUCCESS) {
4125                         if (state[0] < FSTATE_LOSS_OF_SYNC) {
4126                                 vha->device_flags &= ~DFLG_NO_CABLE;
4127                         }
4128                         if (IS_QLA84XX(ha) && state[0] != FSTATE_READY) {
4129                                 ql_dbg(ql_dbg_taskm, vha, 0x801f,
4130                                     "fw_state=%x 84xx=%x.\n", state[0],
4131                                     state[2]);
4132                                 if ((state[2] & FSTATE_LOGGED_IN) &&
4133                                      (state[2] & FSTATE_WAITING_FOR_VERIFY)) {
4134                                         ql_dbg(ql_dbg_taskm, vha, 0x8028,
4135                                             "Sending verify iocb.\n");
4136
4137                                         cs84xx_time = jiffies;
4138                                         rval = qla84xx_init_chip(vha);
4139                                         if (rval != QLA_SUCCESS) {
4140                                                 ql_log(ql_log_warn,
4141                                                     vha, 0x8007,
4142                                                     "Init chip failed.\n");
4143                                                 break;
4144                                         }
4145
4146                                         /* Add time taken to initialize. */
4147                                         cs84xx_time = jiffies - cs84xx_time;
4148                                         wtime += cs84xx_time;
4149                                         mtime += cs84xx_time;
4150                                         ql_dbg(ql_dbg_taskm, vha, 0x8008,
4151                                             "Increasing wait time by %ld. "
4152                                             "New time %ld.\n", cs84xx_time,
4153                                             wtime);
4154                                 }
4155                         } else if (state[0] == FSTATE_READY) {
4156                                 ql_dbg(ql_dbg_taskm, vha, 0x8037,
4157                                     "F/W Ready - OK.\n");
4158
4159                                 qla2x00_get_retry_cnt(vha, &ha->retry_count,
4160                                     &ha->login_timeout, &ha->r_a_tov);
4161
4162                                 rval = QLA_SUCCESS;
4163                                 break;
4164                         }
4165
4166                         rval = QLA_FUNCTION_FAILED;
4167
4168                         if (atomic_read(&vha->loop_down_timer) &&
4169                             state[0] != FSTATE_READY) {
4170                                 /* Loop down. Timeout on min_wait for states
4171                                  * other than Wait for Login.
4172                                  */
4173                                 if (time_after_eq(jiffies, mtime)) {
4174                                         ql_log(ql_log_info, vha, 0x8038,
4175                                             "Cable is unplugged...\n");
4176
4177                                         vha->device_flags |= DFLG_NO_CABLE;
4178                                         break;
4179                                 }
4180                         }
4181                 } else {
4182                         /* Mailbox cmd failed. Timeout on min_wait. */
4183                         if (time_after_eq(jiffies, mtime) ||
4184                                 ha->flags.isp82xx_fw_hung)
4185                                 break;
4186                 }
4187
4188                 if (time_after_eq(jiffies, wtime))
4189                         break;
4190
4191                 /* Delay for a while */
4192                 msleep(500);
4193         } while (1);
4194
4195         ql_dbg(ql_dbg_taskm, vha, 0x803a,
4196             "fw_state=%x (%x, %x, %x, %x %x) curr time=%lx.\n", state[0],
4197             state[1], state[2], state[3], state[4], state[5], jiffies);
4198
4199         if (rval && !(vha->device_flags & DFLG_NO_CABLE)) {
4200                 ql_log(ql_log_warn, vha, 0x803b,
4201                     "Firmware ready **** FAILED ****.\n");
4202         }
4203
4204         return (rval);
4205 }
4206
4207 /*
4208 *  qla2x00_configure_hba
4209 *      Setup adapter context.
4210 *
4211 * Input:
4212 *      ha = adapter state pointer.
4213 *
4214 * Returns:
4215 *      0 = success
4216 *
4217 * Context:
4218 *      Kernel context.
4219 */
4220 static int
4221 qla2x00_configure_hba(scsi_qla_host_t *vha)
4222 {
4223         int       rval;
4224         uint16_t      loop_id;
4225         uint16_t      topo;
4226         uint16_t      sw_cap;
4227         uint8_t       al_pa;
4228         uint8_t       area;
4229         uint8_t       domain;
4230         char            connect_type[22];
4231         struct qla_hw_data *ha = vha->hw;
4232         scsi_qla_host_t *base_vha = pci_get_drvdata(ha->pdev);
4233         port_id_t id;
4234         unsigned long flags;
4235
4236         /* Get host addresses. */
4237         rval = qla2x00_get_adapter_id(vha,
4238             &loop_id, &al_pa, &area, &domain, &topo, &sw_cap);
4239         if (rval != QLA_SUCCESS) {
4240                 if (LOOP_TRANSITION(vha) || atomic_read(&ha->loop_down_timer) ||
4241                     IS_CNA_CAPABLE(ha) ||
4242                     (rval == QLA_COMMAND_ERROR && loop_id == 0x7)) {
4243                         ql_dbg(ql_dbg_disc, vha, 0x2008,
4244                             "Loop is in a transition state.\n");
4245                 } else {
4246                         ql_log(ql_log_warn, vha, 0x2009,
4247                             "Unable to get host loop ID.\n");
4248                         if (IS_FWI2_CAPABLE(ha) && (vha == base_vha) &&
4249                             (rval == QLA_COMMAND_ERROR && loop_id == 0x1b)) {
4250                                 ql_log(ql_log_warn, vha, 0x1151,
4251                                     "Doing link init.\n");
4252                                 if (qla24xx_link_initialize(vha) == QLA_SUCCESS)
4253                                         return rval;
4254                         }
4255                         set_bit(ISP_ABORT_NEEDED, &vha->dpc_flags);
4256                 }
4257                 return (rval);
4258         }
4259
4260         if (topo == 4) {
4261                 ql_log(ql_log_info, vha, 0x200a,
4262                     "Cannot get topology - retrying.\n");
4263                 return (QLA_FUNCTION_FAILED);
4264         }
4265
4266         vha->loop_id = loop_id;
4267
4268         /* initialize */
4269         ha->min_external_loopid = SNS_FIRST_LOOP_ID;
4270         ha->operating_mode = LOOP;
4271         ha->switch_cap = 0;
4272
4273         switch (topo) {
4274         case 0:
4275                 ql_dbg(ql_dbg_disc, vha, 0x200b, "HBA in NL topology.\n");
4276                 ha->current_topology = ISP_CFG_NL;
4277                 strcpy(connect_type, "(Loop)");
4278                 break;
4279
4280         case 1:
4281                 ql_dbg(ql_dbg_disc, vha, 0x200c, "HBA in FL topology.\n");
4282                 ha->switch_cap = sw_cap;
4283                 ha->current_topology = ISP_CFG_FL;
4284                 strcpy(connect_type, "(FL_Port)");
4285                 break;
4286
4287         case 2:
4288                 ql_dbg(ql_dbg_disc, vha, 0x200d, "HBA in N P2P topology.\n");
4289                 ha->operating_mode = P2P;
4290                 ha->current_topology = ISP_CFG_N;
4291                 strcpy(connect_type, "(N_Port-to-N_Port)");
4292                 break;
4293
4294         case 3:
4295                 ql_dbg(ql_dbg_disc, vha, 0x200e, "HBA in F P2P topology.\n");
4296                 ha->switch_cap = sw_cap;
4297                 ha->operating_mode = P2P;
4298                 ha->current_topology = ISP_CFG_F;
4299                 strcpy(connect_type, "(F_Port)");
4300                 break;
4301
4302         default:
4303                 ql_dbg(ql_dbg_disc, vha, 0x200f,
4304                     "HBA in unknown topology %x, using NL.\n", topo);
4305                 ha->current_topology = ISP_CFG_NL;
4306                 strcpy(connect_type, "(Loop)");
4307                 break;
4308         }
4309
4310         /* Save Host port and loop ID. */
4311         /* byte order - Big Endian */
4312         id.b.domain = domain;
4313         id.b.area = area;
4314         id.b.al_pa = al_pa;
4315         id.b.rsvd_1 = 0;
4316         spin_lock_irqsave(&ha->hardware_lock, flags);
4317         if (!(topo == 2 && ha->flags.n2n_bigger))
4318                 qlt_update_host_map(vha, id);
4319         spin_unlock_irqrestore(&ha->hardware_lock, flags);
4320
4321         if (!vha->flags.init_done)
4322                 ql_log(ql_log_info, vha, 0x2010,
4323                     "Topology - %s, Host Loop address 0x%x.\n",
4324                     connect_type, vha->loop_id);
4325
4326         return(rval);
4327 }
4328
4329 inline void
4330 qla2x00_set_model_info(scsi_qla_host_t *vha, uint8_t *model, size_t len,
4331         char *def)
4332 {
4333         char *st, *en;
4334         uint16_t index;
4335         struct qla_hw_data *ha = vha->hw;
4336         int use_tbl = !IS_QLA24XX_TYPE(ha) && !IS_QLA25XX(ha) &&
4337             !IS_CNA_CAPABLE(ha) && !IS_QLA2031(ha);
4338
4339         if (memcmp(model, BINZERO, len) != 0) {
4340                 strncpy(ha->model_number, model, len);
4341                 st = en = ha->model_number;
4342                 en += len - 1;
4343                 while (en > st) {
4344                         if (*en != 0x20 && *en != 0x00)
4345                                 break;
4346                         *en-- = '\0';
4347                 }
4348
4349                 index = (ha->pdev->subsystem_device & 0xff);
4350                 if (use_tbl &&
4351                     ha->pdev->subsystem_vendor == PCI_VENDOR_ID_QLOGIC &&
4352                     index < QLA_MODEL_NAMES)
4353                         strncpy(ha->model_desc,
4354                             qla2x00_model_name[index * 2 + 1],
4355                             sizeof(ha->model_desc) - 1);
4356         } else {
4357                 index = (ha->pdev->subsystem_device & 0xff);
4358                 if (use_tbl &&
4359                     ha->pdev->subsystem_vendor == PCI_VENDOR_ID_QLOGIC &&
4360                     index < QLA_MODEL_NAMES) {
4361                         strcpy(ha->model_number,
4362                             qla2x00_model_name[index * 2]);
4363                         strncpy(ha->model_desc,
4364                             qla2x00_model_name[index * 2 + 1],
4365                             sizeof(ha->model_desc) - 1);
4366                 } else {
4367                         strcpy(ha->model_number, def);
4368                 }
4369         }
4370         if (IS_FWI2_CAPABLE(ha))
4371                 qla2xxx_get_vpd_field(vha, "\x82", ha->model_desc,
4372                     sizeof(ha->model_desc));
4373 }
4374
4375 /* On sparc systems, obtain port and node WWN from firmware
4376  * properties.
4377  */
4378 static void qla2xxx_nvram_wwn_from_ofw(scsi_qla_host_t *vha, nvram_t *nv)
4379 {
4380 #ifdef CONFIG_SPARC
4381         struct qla_hw_data *ha = vha->hw;
4382         struct pci_dev *pdev = ha->pdev;
4383         struct device_node *dp = pci_device_to_OF_node(pdev);
4384         const u8 *val;
4385         int len;
4386
4387         val = of_get_property(dp, "port-wwn", &len);
4388         if (val && len >= WWN_SIZE)
4389                 memcpy(nv->port_name, val, WWN_SIZE);
4390
4391         val = of_get_property(dp, "node-wwn", &len);
4392         if (val && len >= WWN_SIZE)
4393                 memcpy(nv->node_name, val, WWN_SIZE);
4394 #endif
4395 }
4396
4397 /*
4398 * NVRAM configuration for ISP 2xxx
4399 *
4400 * Input:
4401 *      ha                = adapter block pointer.
4402 *
4403 * Output:
4404 *      initialization control block in response_ring
4405 *      host adapters parameters in host adapter block
4406 *
4407 * Returns:
4408 *      0 = success.
4409 */
4410 int
4411 qla2x00_nvram_config(scsi_qla_host_t *vha)
4412 {
4413         int             rval;
4414         uint8_t         chksum = 0;
4415         uint16_t        cnt;
4416         uint8_t         *dptr1, *dptr2;
4417         struct qla_hw_data *ha = vha->hw;
4418         init_cb_t       *icb = ha->init_cb;
4419         nvram_t         *nv = ha->nvram;
4420         uint8_t         *ptr = ha->nvram;
4421         struct device_reg_2xxx __iomem *reg = &ha->iobase->isp;
4422
4423         rval = QLA_SUCCESS;
4424
4425         /* Determine NVRAM starting address. */
4426         ha->nvram_size = sizeof(nvram_t);
4427         ha->nvram_base = 0;
4428         if (!IS_QLA2100(ha) && !IS_QLA2200(ha) && !IS_QLA2300(ha))
4429                 if ((RD_REG_WORD(&reg->ctrl_status) >> 14) == 1)
4430                         ha->nvram_base = 0x80;
4431
4432         /* Get NVRAM data and calculate checksum. */
4433         ha->isp_ops->read_nvram(vha, ptr, ha->nvram_base, ha->nvram_size);
4434         for (cnt = 0, chksum = 0; cnt < ha->nvram_size; cnt++)
4435                 chksum += *ptr++;
4436
4437         ql_dbg(ql_dbg_init + ql_dbg_buffer, vha, 0x010f,
4438             "Contents of NVRAM.\n");
4439         ql_dump_buffer(ql_dbg_init + ql_dbg_buffer, vha, 0x0110,
4440             (uint8_t *)nv, ha->nvram_size);
4441
4442         /* Bad NVRAM data, set defaults parameters. */
4443         if (chksum || nv->id[0] != 'I' || nv->id[1] != 'S' ||
4444             nv->id[2] != 'P' || nv->id[3] != ' ' || nv->nvram_version < 1) {
4445                 /* Reset NVRAM data. */
4446                 ql_log(ql_log_warn, vha, 0x0064,
4447                     "Inconsistent NVRAM "
4448                     "detected: checksum=0x%x id=%c version=0x%x.\n",
4449                     chksum, nv->id[0], nv->nvram_version);
4450                 ql_log(ql_log_warn, vha, 0x0065,
4451                     "Falling back to "
4452                     "functioning (yet invalid -- WWPN) defaults.\n");
4453
4454                 /*
4455                  * Set default initialization control block.
4456                  */
4457                 memset(nv, 0, ha->nvram_size);
4458                 nv->parameter_block_version = ICB_VERSION;
4459
4460                 if (IS_QLA23XX(ha)) {
4461                         nv->firmware_options[0] = BIT_2 | BIT_1;
4462                         nv->firmware_options[1] = BIT_7 | BIT_5;
4463                         nv->add_firmware_options[0] = BIT_5;
4464                         nv->add_firmware_options[1] = BIT_5 | BIT_4;
4465                         nv->frame_payload_size = 2048;
4466                         nv->special_options[1] = BIT_7;
4467                 } else if (IS_QLA2200(ha)) {
4468                         nv->firmware_options[0] = BIT_2 | BIT_1;
4469                         nv->firmware_options[1] = BIT_7 | BIT_5;
4470                         nv->add_firmware_options[0] = BIT_5;
4471                         nv->add_firmware_options[1] = BIT_5 | BIT_4;
4472                         nv->frame_payload_size = 1024;
4473                 } else if (IS_QLA2100(ha)) {
4474                         nv->firmware_options[0] = BIT_3 | BIT_1;
4475                         nv->firmware_options[1] = BIT_5;
4476                         nv->frame_payload_size = 1024;
4477                 }
4478
4479                 nv->max_iocb_allocation = cpu_to_le16(256);
4480                 nv->execution_throttle = cpu_to_le16(16);
4481                 nv->retry_count = 8;
4482                 nv->retry_delay = 1;
4483
4484                 nv->port_name[0] = 33;
4485                 nv->port_name[3] = 224;
4486                 nv->port_name[4] = 139;
4487
4488                 qla2xxx_nvram_wwn_from_ofw(vha, nv);
4489
4490                 nv->login_timeout = 4;
4491
4492                 /*
4493                  * Set default host adapter parameters
4494                  */
4495                 nv->host_p[1] = BIT_2;
4496                 nv->reset_delay = 5;
4497                 nv->port_down_retry_count = 8;
4498                 nv->max_luns_per_target = cpu_to_le16(8);
4499                 nv->link_down_timeout = 60;
4500
4501                 rval = 1;
4502         }
4503
4504 #if defined(CONFIG_IA64_GENERIC) || defined(CONFIG_IA64_SGI_SN2)
4505         /*
4506          * The SN2 does not provide BIOS emulation which means you can't change
4507          * potentially bogus BIOS settings. Force the use of default settings
4508          * for link rate and frame size.  Hope that the rest of the settings
4509          * are valid.
4510          */
4511         if (ia64_platform_is("sn2")) {
4512                 nv->frame_payload_size = 2048;
4513                 if (IS_QLA23XX(ha))
4514                         nv->special_options[1] = BIT_7;
4515         }
4516 #endif
4517
4518         /* Reset Initialization control block */
4519         memset(icb, 0, ha->init_cb_size);
4520
4521         /*
4522          * Setup driver NVRAM options.
4523          */
4524         nv->firmware_options[0] |= (BIT_6 | BIT_1);
4525         nv->firmware_options[0] &= ~(BIT_5 | BIT_4);
4526         nv->firmware_options[1] |= (BIT_5 | BIT_0);
4527         nv->firmware_options[1] &= ~BIT_4;
4528
4529         if (IS_QLA23XX(ha)) {
4530                 nv->firmware_options[0] |= BIT_2;
4531                 nv->firmware_options[0] &= ~BIT_3;
4532                 nv->special_options[0] &= ~BIT_6;
4533                 nv->add_firmware_options[1] |= BIT_5 | BIT_4;
4534
4535                 if (IS_QLA2300(ha)) {
4536                         if (ha->fb_rev == FPM_2310) {
4537                                 strcpy(ha->model_number, "QLA2310");
4538                         } else {
4539                                 strcpy(ha->model_number, "QLA2300");
4540                         }
4541                 } else {
4542                         qla2x00_set_model_info(vha, nv->model_number,
4543                             sizeof(nv->model_number), "QLA23xx");
4544                 }
4545         } else if (IS_QLA2200(ha)) {
4546                 nv->firmware_options[0] |= BIT_2;
4547                 /*
4548                  * 'Point-to-point preferred, else loop' is not a safe
4549                  * connection mode setting.
4550                  */
4551                 if ((nv->add_firmware_options[0] & (BIT_6 | BIT_5 | BIT_4)) ==
4552                     (BIT_5 | BIT_4)) {
4553                         /* Force 'loop preferred, else point-to-point'. */
4554                         nv->add_firmware_options[0] &= ~(BIT_6 | BIT_5 | BIT_4);
4555                         nv->add_firmware_options[0] |= BIT_5;
4556                 }
4557                 strcpy(ha->model_number, "QLA22xx");
4558         } else /*if (IS_QLA2100(ha))*/ {
4559                 strcpy(ha->model_number, "QLA2100");
4560         }
4561
4562         /*
4563          * Copy over NVRAM RISC parameter block to initialization control block.
4564          */
4565         dptr1 = (uint8_t *)icb;
4566         dptr2 = (uint8_t *)&nv->parameter_block_version;
4567         cnt = (uint8_t *)&icb->request_q_outpointer - (uint8_t *)&icb->version;
4568         while (cnt--)
4569                 *dptr1++ = *dptr2++;
4570
4571         /* Copy 2nd half. */
4572         dptr1 = (uint8_t *)icb->add_firmware_options;
4573         cnt = (uint8_t *)icb->reserved_3 - (uint8_t *)icb->add_firmware_options;
4574         while (cnt--)
4575                 *dptr1++ = *dptr2++;
4576         ha->frame_payload_size = le16_to_cpu(icb->frame_payload_size);
4577         /* Use alternate WWN? */
4578         if (nv->host_p[1] & BIT_7) {
4579                 memcpy(icb->node_name, nv->alternate_node_name, WWN_SIZE);
4580                 memcpy(icb->port_name, nv->alternate_port_name, WWN_SIZE);
4581         }
4582
4583         /* Prepare nodename */
4584         if ((icb->firmware_options[1] & BIT_6) == 0) {
4585                 /*
4586                  * Firmware will apply the following mask if the nodename was
4587                  * not provided.
4588                  */
4589                 memcpy(icb->node_name, icb->port_name, WWN_SIZE);
4590                 icb->node_name[0] &= 0xF0;
4591         }
4592
4593         /*
4594          * Set host adapter parameters.
4595          */
4596
4597         /*
4598          * BIT_7 in the host-parameters section allows for modification to
4599          * internal driver logging.
4600          */
4601         if (nv->host_p[0] & BIT_7)
4602                 ql2xextended_error_logging = QL_DBG_DEFAULT1_MASK;
4603         ha->flags.disable_risc_code_load = ((nv->host_p[0] & BIT_4) ? 1 : 0);
4604         /* Always load RISC code on non ISP2[12]00 chips. */
4605         if (!IS_QLA2100(ha) && !IS_QLA2200(ha))
4606                 ha->flags.disable_risc_code_load = 0;
4607         ha->flags.enable_lip_reset = ((nv->host_p[1] & BIT_1) ? 1 : 0);
4608         ha->flags.enable_lip_full_login = ((nv->host_p[1] & BIT_2) ? 1 : 0);
4609         ha->flags.enable_target_reset = ((nv->host_p[1] & BIT_3) ? 1 : 0);
4610         ha->flags.enable_led_scheme = (nv->special_options[1] & BIT_4) ? 1 : 0;
4611         ha->flags.disable_serdes = 0;
4612
4613         ha->operating_mode =
4614             (icb->add_firmware_options[0] & (BIT_6 | BIT_5 | BIT_4)) >> 4;
4615
4616         memcpy(ha->fw_seriallink_options, nv->seriallink_options,
4617             sizeof(ha->fw_seriallink_options));
4618
4619         /* save HBA serial number */
4620         ha->serial0 = icb->port_name[5];
4621         ha->serial1 = icb->port_name[6];
4622         ha->serial2 = icb->port_name[7];
4623         memcpy(vha->node_name, icb->node_name, WWN_SIZE);
4624         memcpy(vha->port_name, icb->port_name, WWN_SIZE);
4625
4626         icb->execution_throttle = cpu_to_le16(0xFFFF);
4627
4628         ha->retry_count = nv->retry_count;
4629
4630         /* Set minimum login_timeout to 4 seconds. */
4631         if (nv->login_timeout != ql2xlogintimeout)
4632                 nv->login_timeout = ql2xlogintimeout;
4633         if (nv->login_timeout < 4)
4634                 nv->login_timeout = 4;
4635         ha->login_timeout = nv->login_timeout;
4636
4637         /* Set minimum RATOV to 100 tenths of a second. */
4638         ha->r_a_tov = 100;
4639
4640         ha->loop_reset_delay = nv->reset_delay;
4641
4642         /* Link Down Timeout = 0:
4643          *
4644          *      When Port Down timer expires we will start returning
4645          *      I/O's to OS with "DID_NO_CONNECT".
4646          *
4647          * Link Down Timeout != 0:
4648          *
4649          *       The driver waits for the link to come up after link down
4650          *       before returning I/Os to OS with "DID_NO_CONNECT".
4651          */
4652         if (nv->link_down_timeout == 0) {
4653                 ha->loop_down_abort_time =
4654                     (LOOP_DOWN_TIME - LOOP_DOWN_TIMEOUT);
4655         } else {
4656                 ha->link_down_timeout =  nv->link_down_timeout;
4657                 ha->loop_down_abort_time =
4658                     (LOOP_DOWN_TIME - ha->link_down_timeout);
4659         }
4660
4661         /*
4662          * Need enough time to try and get the port back.
4663          */
4664         ha->port_down_retry_count = nv->port_down_retry_count;
4665         if (qlport_down_retry)
4666                 ha->port_down_retry_count = qlport_down_retry;
4667         /* Set login_retry_count */
4668         ha->login_retry_count  = nv->retry_count;
4669         if (ha->port_down_retry_count == nv->port_down_retry_count &&
4670             ha->port_down_retry_count > 3)
4671                 ha->login_retry_count = ha->port_down_retry_count;
4672         else if (ha->port_down_retry_count > (int)ha->login_retry_count)
4673                 ha->login_retry_count = ha->port_down_retry_count;
4674         if (ql2xloginretrycount)
4675                 ha->login_retry_count = ql2xloginretrycount;
4676
4677         icb->lun_enables = cpu_to_le16(0);
4678         icb->command_resource_count = 0;
4679         icb->immediate_notify_resource_count = 0;
4680         icb->timeout = cpu_to_le16(0);
4681
4682         if (IS_QLA2100(ha) || IS_QLA2200(ha)) {
4683                 /* Enable RIO */
4684                 icb->firmware_options[0] &= ~BIT_3;
4685                 icb->add_firmware_options[0] &=
4686                     ~(BIT_3 | BIT_2 | BIT_1 | BIT_0);
4687                 icb->add_firmware_options[0] |= BIT_2;
4688                 icb->response_accumulation_timer = 3;
4689                 icb->interrupt_delay_timer = 5;
4690
4691                 vha->flags.process_response_queue = 1;
4692         } else {
4693                 /* Enable ZIO. */
4694                 if (!vha->flags.init_done) {
4695                         ha->zio_mode = icb->add_firmware_options[0] &
4696                             (BIT_3 | BIT_2 | BIT_1 | BIT_0);
4697                         ha->zio_timer = icb->interrupt_delay_timer ?
4698                             icb->interrupt_delay_timer: 2;
4699                 }
4700                 icb->add_firmware_options[0] &=
4701                     ~(BIT_3 | BIT_2 | BIT_1 | BIT_0);
4702                 vha->flags.process_response_queue = 0;
4703                 if (ha->zio_mode != QLA_ZIO_DISABLED) {
4704                         ha->zio_mode = QLA_ZIO_MODE_6;
4705
4706                         ql_log(ql_log_info, vha, 0x0068,
4707                             "ZIO mode %d enabled; timer delay (%d us).\n",
4708                             ha->zio_mode, ha->zio_timer * 100);
4709
4710                         icb->add_firmware_options[0] |= (uint8_t)ha->zio_mode;
4711                         icb->interrupt_delay_timer = (uint8_t)ha->zio_timer;
4712                         vha->flags.process_response_queue = 1;
4713                 }
4714         }
4715
4716         if (rval) {
4717                 ql_log(ql_log_warn, vha, 0x0069,
4718                     "NVRAM configuration failed.\n");
4719         }
4720         return (rval);
4721 }
4722
4723 static void
4724 qla2x00_rport_del(void *data)
4725 {
4726         fc_port_t *fcport = data;
4727         struct fc_rport *rport;
4728         unsigned long flags;
4729
4730         spin_lock_irqsave(fcport->vha->host->host_lock, flags);
4731         rport = fcport->drport ? fcport->drport: fcport->rport;
4732         fcport->drport = NULL;
4733         spin_unlock_irqrestore(fcport->vha->host->host_lock, flags);
4734         if (rport) {
4735                 ql_dbg(ql_dbg_disc, fcport->vha, 0x210b,
4736                     "%s %8phN. rport %p roles %x\n",
4737                     __func__, fcport->port_name, rport,
4738                     rport->roles);
4739
4740                 fc_remote_port_delete(rport);
4741         }
4742 }
4743
4744 /**
4745  * qla2x00_alloc_fcport() - Allocate a generic fcport.
4746  * @vha: HA context
4747  * @flags: allocation flags
4748  *
4749  * Returns a pointer to the allocated fcport, or NULL, if none available.
4750  */
4751 fc_port_t *
4752 qla2x00_alloc_fcport(scsi_qla_host_t *vha, gfp_t flags)
4753 {
4754         fc_port_t *fcport;
4755
4756         fcport = kzalloc(sizeof(fc_port_t), flags);
4757         if (!fcport)
4758                 return NULL;
4759
4760         /* Setup fcport template structure. */
4761         fcport->vha = vha;
4762         fcport->port_type = FCT_UNKNOWN;
4763         fcport->loop_id = FC_NO_LOOP_ID;
4764         qla2x00_set_fcport_state(fcport, FCS_UNCONFIGURED);
4765         fcport->supported_classes = FC_COS_UNSPECIFIED;
4766         fcport->fp_speed = PORT_SPEED_UNKNOWN;
4767
4768         fcport->ct_desc.ct_sns = dma_alloc_coherent(&vha->hw->pdev->dev,
4769                 sizeof(struct ct_sns_pkt), &fcport->ct_desc.ct_sns_dma,
4770                 flags);
4771         fcport->disc_state = DSC_DELETED;
4772         fcport->fw_login_state = DSC_LS_PORT_UNAVAIL;
4773         fcport->deleted = QLA_SESS_DELETED;
4774         fcport->login_retry = vha->hw->login_retry_count;
4775         fcport->logout_on_delete = 1;
4776
4777         if (!fcport->ct_desc.ct_sns) {
4778                 ql_log(ql_log_warn, vha, 0xd049,
4779                     "Failed to allocate ct_sns request.\n");
4780                 kfree(fcport);
4781                 fcport = NULL;
4782         }
4783         INIT_WORK(&fcport->del_work, qla24xx_delete_sess_fn);
4784         INIT_WORK(&fcport->reg_work, qla_register_fcport_fn);
4785         INIT_LIST_HEAD(&fcport->gnl_entry);
4786         INIT_LIST_HEAD(&fcport->list);
4787
4788         return fcport;
4789 }
4790
4791 void
4792 qla2x00_free_fcport(fc_port_t *fcport)
4793 {
4794         if (fcport->ct_desc.ct_sns) {
4795                 dma_free_coherent(&fcport->vha->hw->pdev->dev,
4796                         sizeof(struct ct_sns_pkt), fcport->ct_desc.ct_sns,
4797                         fcport->ct_desc.ct_sns_dma);
4798
4799                 fcport->ct_desc.ct_sns = NULL;
4800         }
4801         kfree(fcport);
4802 }
4803
4804 /*
4805  * qla2x00_configure_loop
4806  *      Updates Fibre Channel Device Database with what is actually on loop.
4807  *
4808  * Input:
4809  *      ha                = adapter block pointer.
4810  *
4811  * Returns:
4812  *      0 = success.
4813  *      1 = error.
4814  *      2 = database was full and device was not configured.
4815  */
4816 static int
4817 qla2x00_configure_loop(scsi_qla_host_t *vha)
4818 {
4819         int  rval;
4820         unsigned long flags, save_flags;
4821         struct qla_hw_data *ha = vha->hw;
4822         rval = QLA_SUCCESS;
4823
4824         /* Get Initiator ID */
4825         if (test_bit(LOCAL_LOOP_UPDATE, &vha->dpc_flags)) {
4826                 rval = qla2x00_configure_hba(vha);
4827                 if (rval != QLA_SUCCESS) {
4828                         ql_dbg(ql_dbg_disc, vha, 0x2013,
4829                             "Unable to configure HBA.\n");
4830                         return (rval);
4831                 }
4832         }
4833
4834         save_flags = flags = vha->dpc_flags;
4835         ql_dbg(ql_dbg_disc, vha, 0x2014,
4836             "Configure loop -- dpc flags = 0x%lx.\n", flags);
4837
4838         /*
4839          * If we have both an RSCN and PORT UPDATE pending then handle them
4840          * both at the same time.
4841          */
4842         clear_bit(LOCAL_LOOP_UPDATE, &vha->dpc_flags);
4843         clear_bit(RSCN_UPDATE, &vha->dpc_flags);
4844
4845         qla2x00_get_data_rate(vha);
4846
4847         /* Determine what we need to do */
4848         if (ha->current_topology == ISP_CFG_FL &&
4849             (test_bit(LOCAL_LOOP_UPDATE, &flags))) {
4850
4851                 set_bit(RSCN_UPDATE, &flags);
4852
4853         } else if (ha->current_topology == ISP_CFG_F &&
4854             (test_bit(LOCAL_LOOP_UPDATE, &flags))) {
4855
4856                 set_bit(RSCN_UPDATE, &flags);
4857                 clear_bit(LOCAL_LOOP_UPDATE, &flags);
4858
4859         } else if (ha->current_topology == ISP_CFG_N) {
4860                 clear_bit(RSCN_UPDATE, &flags);
4861                 if (qla_tgt_mode_enabled(vha)) {
4862                         /* allow the other side to start the login */
4863                         clear_bit(LOCAL_LOOP_UPDATE, &flags);
4864                         set_bit(RELOGIN_NEEDED, &vha->dpc_flags);
4865                 }
4866         } else if (ha->current_topology == ISP_CFG_NL) {
4867                 clear_bit(RSCN_UPDATE, &flags);
4868                 set_bit(LOCAL_LOOP_UPDATE, &flags);
4869         } else if (!vha->flags.online ||
4870             (test_bit(ABORT_ISP_ACTIVE, &flags))) {
4871                 set_bit(RSCN_UPDATE, &flags);
4872                 set_bit(LOCAL_LOOP_UPDATE, &flags);
4873         }
4874
4875         if (test_bit(LOCAL_LOOP_UPDATE, &flags)) {
4876                 if (test_bit(LOOP_RESYNC_NEEDED, &vha->dpc_flags)) {
4877                         ql_dbg(ql_dbg_disc, vha, 0x2015,
4878                             "Loop resync needed, failing.\n");
4879                         rval = QLA_FUNCTION_FAILED;
4880                 } else
4881                         rval = qla2x00_configure_local_loop(vha);
4882         }
4883
4884         if (rval == QLA_SUCCESS && test_bit(RSCN_UPDATE, &flags)) {
4885                 if (LOOP_TRANSITION(vha)) {
4886                         ql_dbg(ql_dbg_disc, vha, 0x2099,
4887                             "Needs RSCN update and loop transition.\n");
4888                         rval = QLA_FUNCTION_FAILED;
4889                 }
4890                 else
4891                         rval = qla2x00_configure_fabric(vha);
4892         }
4893
4894         if (rval == QLA_SUCCESS) {
4895                 if (atomic_read(&vha->loop_down_timer) ||
4896                     test_bit(LOOP_RESYNC_NEEDED, &vha->dpc_flags)) {
4897                         rval = QLA_FUNCTION_FAILED;
4898                 } else {
4899                         atomic_set(&vha->loop_state, LOOP_READY);
4900                         ql_dbg(ql_dbg_disc, vha, 0x2069,
4901                             "LOOP READY.\n");
4902                         ha->flags.fw_init_done = 1;
4903
4904                         /*
4905                          * Process any ATIO queue entries that came in
4906                          * while we weren't online.
4907                          */
4908                         if (qla_tgt_mode_enabled(vha) ||
4909                             qla_dual_mode_enabled(vha)) {
4910                                 spin_lock_irqsave(&ha->tgt.atio_lock, flags);
4911                                 qlt_24xx_process_atio_queue(vha, 0);
4912                                 spin_unlock_irqrestore(&ha->tgt.atio_lock,
4913                                     flags);
4914                         }
4915                 }
4916         }
4917
4918         if (rval) {
4919                 ql_dbg(ql_dbg_disc, vha, 0x206a,
4920                     "%s *** FAILED ***.\n", __func__);
4921         } else {
4922                 ql_dbg(ql_dbg_disc, vha, 0x206b,
4923                     "%s: exiting normally.\n", __func__);
4924         }
4925
4926         /* Restore state if a resync event occurred during processing */
4927         if (test_bit(LOOP_RESYNC_NEEDED, &vha->dpc_flags)) {
4928                 if (test_bit(LOCAL_LOOP_UPDATE, &save_flags))
4929                         set_bit(LOCAL_LOOP_UPDATE, &vha->dpc_flags);
4930                 if (test_bit(RSCN_UPDATE, &save_flags)) {
4931                         set_bit(RSCN_UPDATE, &vha->dpc_flags);
4932                 }
4933         }
4934
4935         return (rval);
4936 }
4937
4938 /*
4939  * qla2x00_configure_local_loop
4940  *      Updates Fibre Channel Device Database with local loop devices.
4941  *
4942  * Input:
4943  *      ha = adapter block pointer.
4944  *
4945  * Returns:
4946  *      0 = success.
4947  */
4948 static int
4949 qla2x00_configure_local_loop(scsi_qla_host_t *vha)
4950 {
4951         int             rval, rval2;
4952         int             found_devs;
4953         int             found;
4954         fc_port_t       *fcport, *new_fcport;
4955
4956         uint16_t        index;
4957         uint16_t        entries;
4958         char            *id_iter;
4959         uint16_t        loop_id;
4960         uint8_t         domain, area, al_pa;
4961         struct qla_hw_data *ha = vha->hw;
4962         unsigned long flags;
4963
4964         /* Inititae N2N login. */
4965         if (test_and_clear_bit(N2N_LOGIN_NEEDED, &vha->dpc_flags)) {
4966                 /* borrowing */
4967                 u32 *bp, i, sz;
4968
4969                 memset(ha->init_cb, 0, ha->init_cb_size);
4970                 sz = min_t(int, sizeof(struct els_plogi_payload),
4971                     ha->init_cb_size);
4972                 rval = qla24xx_get_port_login_templ(vha, ha->init_cb_dma,
4973                     (void *)ha->init_cb, sz);
4974                 if (rval == QLA_SUCCESS) {
4975                         bp = (uint32_t *)ha->init_cb;
4976                         for (i = 0; i < sz/4 ; i++, bp++)
4977                                 *bp = cpu_to_be32(*bp);
4978
4979                         memcpy(&ha->plogi_els_payld.data, (void *)ha->init_cb,
4980                             sizeof(ha->plogi_els_payld.data));
4981                         set_bit(RELOGIN_NEEDED, &vha->dpc_flags);
4982                 } else {
4983                         ql_dbg(ql_dbg_init, vha, 0x00d1,
4984                             "PLOGI ELS param read fail.\n");
4985                 }
4986                 return QLA_SUCCESS;
4987         }
4988
4989         found_devs = 0;
4990         new_fcport = NULL;
4991         entries = MAX_FIBRE_DEVICES_LOOP;
4992
4993         /* Get list of logged in devices. */
4994         memset(ha->gid_list, 0, qla2x00_gid_list_size(ha));
4995         rval = qla2x00_get_id_list(vha, ha->gid_list, ha->gid_list_dma,
4996             &entries);
4997         if (rval != QLA_SUCCESS)
4998                 goto cleanup_allocation;
4999
5000         ql_dbg(ql_dbg_disc, vha, 0x2011,
5001             "Entries in ID list (%d).\n", entries);
5002         ql_dump_buffer(ql_dbg_disc + ql_dbg_buffer, vha, 0x2075,
5003             (uint8_t *)ha->gid_list,
5004             entries * sizeof(struct gid_list_info));
5005
5006         if (entries == 0) {
5007                 spin_lock_irqsave(&vha->work_lock, flags);
5008                 vha->scan.scan_retry++;
5009                 spin_unlock_irqrestore(&vha->work_lock, flags);
5010
5011                 if (vha->scan.scan_retry < MAX_SCAN_RETRIES) {
5012                         set_bit(LOCAL_LOOP_UPDATE, &vha->dpc_flags);
5013                         set_bit(LOOP_RESYNC_NEEDED, &vha->dpc_flags);
5014                 }
5015         } else {
5016                 vha->scan.scan_retry = 0;
5017         }
5018
5019         list_for_each_entry(fcport, &vha->vp_fcports, list) {
5020                 fcport->scan_state = QLA_FCPORT_SCAN;
5021         }
5022
5023         /* Allocate temporary fcport for any new fcports discovered. */
5024         new_fcport = qla2x00_alloc_fcport(vha, GFP_KERNEL);
5025         if (new_fcport == NULL) {
5026                 ql_log(ql_log_warn, vha, 0x2012,
5027                     "Memory allocation failed for fcport.\n");
5028                 rval = QLA_MEMORY_ALLOC_FAILED;
5029                 goto cleanup_allocation;
5030         }
5031         new_fcport->flags &= ~FCF_FABRIC_DEVICE;
5032
5033         /* Add devices to port list. */
5034         id_iter = (char *)ha->gid_list;
5035         for (index = 0; index < entries; index++) {
5036                 domain = ((struct gid_list_info *)id_iter)->domain;
5037                 area = ((struct gid_list_info *)id_iter)->area;
5038                 al_pa = ((struct gid_list_info *)id_iter)->al_pa;
5039                 if (IS_QLA2100(ha) || IS_QLA2200(ha))
5040                         loop_id = (uint16_t)
5041                             ((struct gid_list_info *)id_iter)->loop_id_2100;
5042                 else
5043                         loop_id = le16_to_cpu(
5044                             ((struct gid_list_info *)id_iter)->loop_id);
5045                 id_iter += ha->gid_list_info_size;
5046
5047                 /* Bypass reserved domain fields. */
5048                 if ((domain & 0xf0) == 0xf0)
5049                         continue;
5050
5051                 /* Bypass if not same domain and area of adapter. */
5052                 if (area && domain &&
5053                     (area != vha->d_id.b.area || domain != vha->d_id.b.domain))
5054                         continue;
5055
5056                 /* Bypass invalid local loop ID. */
5057                 if (loop_id > LAST_LOCAL_LOOP_ID)
5058                         continue;
5059
5060                 memset(new_fcport->port_name, 0, WWN_SIZE);
5061
5062                 /* Fill in member data. */
5063                 new_fcport->d_id.b.domain = domain;
5064                 new_fcport->d_id.b.area = area;
5065                 new_fcport->d_id.b.al_pa = al_pa;
5066                 new_fcport->loop_id = loop_id;
5067                 new_fcport->scan_state = QLA_FCPORT_FOUND;
5068
5069                 rval2 = qla2x00_get_port_database(vha, new_fcport, 0);
5070                 if (rval2 != QLA_SUCCESS) {
5071                         ql_dbg(ql_dbg_disc, vha, 0x2097,
5072                             "Failed to retrieve fcport information "
5073                             "-- get_port_database=%x, loop_id=0x%04x.\n",
5074                             rval2, new_fcport->loop_id);
5075                         /* Skip retry if N2N */
5076                         if (ha->current_topology != ISP_CFG_N) {
5077                                 ql_dbg(ql_dbg_disc, vha, 0x2105,
5078                                     "Scheduling resync.\n");
5079                                 set_bit(LOOP_RESYNC_NEEDED, &vha->dpc_flags);
5080                                 continue;
5081                         }
5082                 }
5083
5084                 spin_lock_irqsave(&vha->hw->tgt.sess_lock, flags);
5085                 /* Check for matching device in port list. */
5086                 found = 0;
5087                 fcport = NULL;
5088                 list_for_each_entry(fcport, &vha->vp_fcports, list) {
5089                         if (memcmp(new_fcport->port_name, fcport->port_name,
5090                             WWN_SIZE))
5091                                 continue;
5092
5093                         fcport->flags &= ~FCF_FABRIC_DEVICE;
5094                         fcport->loop_id = new_fcport->loop_id;
5095                         fcport->port_type = new_fcport->port_type;
5096                         fcport->d_id.b24 = new_fcport->d_id.b24;
5097                         memcpy(fcport->node_name, new_fcport->node_name,
5098                             WWN_SIZE);
5099                         fcport->scan_state = QLA_FCPORT_FOUND;
5100                         found++;
5101                         break;
5102                 }
5103
5104                 if (!found) {
5105                         /* New device, add to fcports list. */
5106                         list_add_tail(&new_fcport->list, &vha->vp_fcports);
5107
5108                         /* Allocate a new replacement fcport. */
5109                         fcport = new_fcport;
5110
5111                         spin_unlock_irqrestore(&vha->hw->tgt.sess_lock, flags);
5112
5113                         new_fcport = qla2x00_alloc_fcport(vha, GFP_KERNEL);
5114
5115                         if (new_fcport == NULL) {
5116                                 ql_log(ql_log_warn, vha, 0xd031,
5117                                     "Failed to allocate memory for fcport.\n");
5118                                 rval = QLA_MEMORY_ALLOC_FAILED;
5119                                 goto cleanup_allocation;
5120                         }
5121                         spin_lock_irqsave(&vha->hw->tgt.sess_lock, flags);
5122                         new_fcport->flags &= ~FCF_FABRIC_DEVICE;
5123                 }
5124
5125                 spin_unlock_irqrestore(&vha->hw->tgt.sess_lock, flags);
5126
5127                 /* Base iIDMA settings on HBA port speed. */
5128                 fcport->fp_speed = ha->link_data_rate;
5129
5130                 found_devs++;
5131         }
5132
5133         list_for_each_entry(fcport, &vha->vp_fcports, list) {
5134                 if (test_bit(LOOP_RESYNC_NEEDED, &vha->dpc_flags))
5135                         break;
5136
5137                 if (fcport->scan_state == QLA_FCPORT_SCAN) {
5138                         if ((qla_dual_mode_enabled(vha) ||
5139                             qla_ini_mode_enabled(vha)) &&
5140                             atomic_read(&fcport->state) == FCS_ONLINE) {
5141                                 qla2x00_mark_device_lost(vha, fcport,
5142                                         ql2xplogiabsentdevice, 0);
5143                                 if (fcport->loop_id != FC_NO_LOOP_ID &&
5144                                     (fcport->flags & FCF_FCP2_DEVICE) == 0 &&
5145                                     fcport->port_type != FCT_INITIATOR &&
5146                                     fcport->port_type != FCT_BROADCAST) {
5147                                         ql_dbg(ql_dbg_disc, vha, 0x20f0,
5148                                             "%s %d %8phC post del sess\n",
5149                                             __func__, __LINE__,
5150                                             fcport->port_name);
5151
5152                                         qlt_schedule_sess_for_deletion(fcport);
5153                                         continue;
5154                                 }
5155                         }
5156                 }
5157
5158                 if (fcport->scan_state == QLA_FCPORT_FOUND)
5159                         qla24xx_fcport_handle_login(vha, fcport);
5160         }
5161
5162 cleanup_allocation:
5163         kfree(new_fcport);
5164
5165         if (rval != QLA_SUCCESS) {
5166                 ql_dbg(ql_dbg_disc, vha, 0x2098,
5167                     "Configure local loop error exit: rval=%x.\n", rval);
5168         }
5169
5170         return (rval);
5171 }
5172
5173 static void
5174 qla2x00_iidma_fcport(scsi_qla_host_t *vha, fc_port_t *fcport)
5175 {
5176         int rval;
5177         uint16_t mb[MAILBOX_REGISTER_COUNT];
5178         struct qla_hw_data *ha = vha->hw;
5179
5180         if (!IS_IIDMA_CAPABLE(ha))
5181                 return;
5182
5183         if (atomic_read(&fcport->state) != FCS_ONLINE)
5184                 return;
5185
5186         if (fcport->fp_speed == PORT_SPEED_UNKNOWN ||
5187             fcport->fp_speed > ha->link_data_rate ||
5188             !ha->flags.gpsc_supported)
5189                 return;
5190
5191         rval = qla2x00_set_idma_speed(vha, fcport->loop_id, fcport->fp_speed,
5192             mb);
5193         if (rval != QLA_SUCCESS) {
5194                 ql_dbg(ql_dbg_disc, vha, 0x2004,
5195                     "Unable to adjust iIDMA %8phN -- %04x %x %04x %04x.\n",
5196                     fcport->port_name, rval, fcport->fp_speed, mb[0], mb[1]);
5197         } else {
5198                 ql_dbg(ql_dbg_disc, vha, 0x2005,
5199                     "iIDMA adjusted to %s GB/s (%X) on %8phN.\n",
5200                     qla2x00_get_link_speed_str(ha, fcport->fp_speed),
5201                     fcport->fp_speed, fcport->port_name);
5202         }
5203 }
5204
5205 void qla_do_iidma_work(struct scsi_qla_host *vha, fc_port_t *fcport)
5206 {
5207         qla2x00_iidma_fcport(vha, fcport);
5208         qla24xx_update_fcport_fcp_prio(vha, fcport);
5209 }
5210
5211 int qla_post_iidma_work(struct scsi_qla_host *vha, fc_port_t *fcport)
5212 {
5213         struct qla_work_evt *e;
5214
5215         e = qla2x00_alloc_work(vha, QLA_EVT_IIDMA);
5216         if (!e)
5217                 return QLA_FUNCTION_FAILED;
5218
5219         e->u.fcport.fcport = fcport;
5220         return qla2x00_post_work(vha, e);
5221 }
5222
5223 /* qla2x00_reg_remote_port is reserved for Initiator Mode only.*/
5224 static void
5225 qla2x00_reg_remote_port(scsi_qla_host_t *vha, fc_port_t *fcport)
5226 {
5227         struct fc_rport_identifiers rport_ids;
5228         struct fc_rport *rport;
5229         unsigned long flags;
5230
5231         if (atomic_read(&fcport->state) == FCS_ONLINE)
5232                 return;
5233
5234         rport_ids.node_name = wwn_to_u64(fcport->node_name);
5235         rport_ids.port_name = wwn_to_u64(fcport->port_name);
5236         rport_ids.port_id = fcport->d_id.b.domain << 16 |
5237             fcport->d_id.b.area << 8 | fcport->d_id.b.al_pa;
5238         rport_ids.roles = FC_RPORT_ROLE_UNKNOWN;
5239         fcport->rport = rport = fc_remote_port_add(vha->host, 0, &rport_ids);
5240         if (!rport) {
5241                 ql_log(ql_log_warn, vha, 0x2006,
5242                     "Unable to allocate fc remote port.\n");
5243                 return;
5244         }
5245
5246         spin_lock_irqsave(fcport->vha->host->host_lock, flags);
5247         *((fc_port_t **)rport->dd_data) = fcport;
5248         spin_unlock_irqrestore(fcport->vha->host->host_lock, flags);
5249
5250         rport->supported_classes = fcport->supported_classes;
5251
5252         rport_ids.roles = FC_RPORT_ROLE_UNKNOWN;
5253         if (fcport->port_type == FCT_INITIATOR)
5254                 rport_ids.roles |= FC_RPORT_ROLE_FCP_INITIATOR;
5255         if (fcport->port_type == FCT_TARGET)
5256                 rport_ids.roles |= FC_RPORT_ROLE_FCP_TARGET;
5257
5258         ql_dbg(ql_dbg_disc, vha, 0x20ee,
5259             "%s %8phN. rport %p is %s mode\n",
5260             __func__, fcport->port_name, rport,
5261             (fcport->port_type == FCT_TARGET) ? "tgt" : "ini");
5262
5263         fc_remote_port_rolechg(rport, rport_ids.roles);
5264 }
5265
5266 /*
5267  * qla2x00_update_fcport
5268  *      Updates device on list.
5269  *
5270  * Input:
5271  *      ha = adapter block pointer.
5272  *      fcport = port structure pointer.
5273  *
5274  * Return:
5275  *      0  - Success
5276  *  BIT_0 - error
5277  *
5278  * Context:
5279  *      Kernel context.
5280  */
5281 void
5282 qla2x00_update_fcport(scsi_qla_host_t *vha, fc_port_t *fcport)
5283 {
5284         if (IS_SW_RESV_ADDR(fcport->d_id))
5285                 return;
5286
5287         ql_dbg(ql_dbg_disc, vha, 0x20ef, "%s %8phC\n",
5288             __func__, fcport->port_name);
5289
5290         fcport->disc_state = DSC_UPD_FCPORT;
5291         fcport->login_retry = vha->hw->login_retry_count;
5292         fcport->flags &= ~(FCF_LOGIN_NEEDED | FCF_ASYNC_SENT);
5293         fcport->deleted = 0;
5294         fcport->logout_on_delete = 1;
5295         fcport->login_retry = vha->hw->login_retry_count;
5296         fcport->n2n_chip_reset = fcport->n2n_link_reset_cnt = 0;
5297
5298         switch (vha->hw->current_topology) {
5299         case ISP_CFG_N:
5300         case ISP_CFG_NL:
5301                 fcport->keep_nport_handle = 1;
5302                 break;
5303         default:
5304                 break;
5305         }
5306
5307         qla2x00_iidma_fcport(vha, fcport);
5308
5309         if (fcport->fc4f_nvme) {
5310                 qla_nvme_register_remote(vha, fcport);
5311                 fcport->disc_state = DSC_LOGIN_COMPLETE;
5312                 qla2x00_set_fcport_state(fcport, FCS_ONLINE);
5313                 return;
5314         }
5315
5316         qla24xx_update_fcport_fcp_prio(vha, fcport);
5317
5318         switch (vha->host->active_mode) {
5319         case MODE_INITIATOR:
5320                 qla2x00_reg_remote_port(vha, fcport);
5321                 break;
5322         case MODE_TARGET:
5323                 if (!vha->vha_tgt.qla_tgt->tgt_stop &&
5324                         !vha->vha_tgt.qla_tgt->tgt_stopped)
5325                         qlt_fc_port_added(vha, fcport);
5326                 break;
5327         case MODE_DUAL:
5328                 qla2x00_reg_remote_port(vha, fcport);
5329                 if (!vha->vha_tgt.qla_tgt->tgt_stop &&
5330                         !vha->vha_tgt.qla_tgt->tgt_stopped)
5331                         qlt_fc_port_added(vha, fcport);
5332                 break;
5333         default:
5334                 break;
5335         }
5336
5337         qla2x00_set_fcport_state(fcport, FCS_ONLINE);
5338
5339         if (IS_IIDMA_CAPABLE(vha->hw) && vha->hw->flags.gpsc_supported) {
5340                 if (fcport->id_changed) {
5341                         fcport->id_changed = 0;
5342                         ql_dbg(ql_dbg_disc, vha, 0x20d7,
5343                             "%s %d %8phC post gfpnid fcp_cnt %d\n",
5344                             __func__, __LINE__, fcport->port_name,
5345                             vha->fcport_count);
5346                         qla24xx_post_gfpnid_work(vha, fcport);
5347                 } else {
5348                         ql_dbg(ql_dbg_disc, vha, 0x20d7,
5349                             "%s %d %8phC post gpsc fcp_cnt %d\n",
5350                             __func__, __LINE__, fcport->port_name,
5351                             vha->fcport_count);
5352                         qla24xx_post_gpsc_work(vha, fcport);
5353                 }
5354         }
5355
5356         fcport->disc_state = DSC_LOGIN_COMPLETE;
5357 }
5358
5359 void qla_register_fcport_fn(struct work_struct *work)
5360 {
5361         fc_port_t *fcport = container_of(work, struct fc_port, reg_work);
5362         u32 rscn_gen = fcport->rscn_gen;
5363         u16 data[2];
5364
5365         if (IS_SW_RESV_ADDR(fcport->d_id))
5366                 return;
5367
5368         qla2x00_update_fcport(fcport->vha, fcport);
5369
5370         if (rscn_gen != fcport->rscn_gen) {
5371                 /* RSCN(s) came in while registration */
5372                 switch (fcport->next_disc_state) {
5373                 case DSC_DELETE_PEND:
5374                         qlt_schedule_sess_for_deletion(fcport);
5375                         break;
5376                 case DSC_ADISC:
5377                         data[0] = data[1] = 0;
5378                         qla2x00_post_async_adisc_work(fcport->vha, fcport,
5379                             data);
5380                         break;
5381                 default:
5382                         break;
5383                 }
5384         }
5385 }
5386
5387 /*
5388  * qla2x00_configure_fabric
5389  *      Setup SNS devices with loop ID's.
5390  *
5391  * Input:
5392  *      ha = adapter block pointer.
5393  *
5394  * Returns:
5395  *      0 = success.
5396  *      BIT_0 = error
5397  */
5398 static int
5399 qla2x00_configure_fabric(scsi_qla_host_t *vha)
5400 {
5401         int     rval;
5402         fc_port_t       *fcport;
5403         uint16_t        mb[MAILBOX_REGISTER_COUNT];
5404         uint16_t        loop_id;
5405         LIST_HEAD(new_fcports);
5406         struct qla_hw_data *ha = vha->hw;
5407         int             discovery_gen;
5408
5409         /* If FL port exists, then SNS is present */
5410         if (IS_FWI2_CAPABLE(ha))
5411                 loop_id = NPH_F_PORT;
5412         else
5413                 loop_id = SNS_FL_PORT;
5414         rval = qla2x00_get_port_name(vha, loop_id, vha->fabric_node_name, 1);
5415         if (rval != QLA_SUCCESS) {
5416                 ql_dbg(ql_dbg_disc, vha, 0x20a0,
5417                     "MBX_GET_PORT_NAME failed, No FL Port.\n");
5418
5419                 vha->device_flags &= ~SWITCH_FOUND;
5420                 return (QLA_SUCCESS);
5421         }
5422         vha->device_flags |= SWITCH_FOUND;
5423
5424
5425         if (qla_tgt_mode_enabled(vha) || qla_dual_mode_enabled(vha)) {
5426                 rval = qla2x00_send_change_request(vha, 0x3, 0);
5427                 if (rval != QLA_SUCCESS)
5428                         ql_log(ql_log_warn, vha, 0x121,
5429                                 "Failed to enable receiving of RSCN requests: 0x%x.\n",
5430                                 rval);
5431         }
5432
5433
5434         do {
5435                 qla2x00_mgmt_svr_login(vha);
5436
5437                 /* FDMI support. */
5438                 if (ql2xfdmienable &&
5439                     test_and_clear_bit(REGISTER_FDMI_NEEDED, &vha->dpc_flags))
5440                         qla2x00_fdmi_register(vha);
5441
5442                 /* Ensure we are logged into the SNS. */
5443                 loop_id = NPH_SNS_LID(ha);
5444                 rval = ha->isp_ops->fabric_login(vha, loop_id, 0xff, 0xff,
5445                     0xfc, mb, BIT_1|BIT_0);
5446                 if (rval != QLA_SUCCESS || mb[0] != MBS_COMMAND_COMPLETE) {
5447                         ql_dbg(ql_dbg_disc, vha, 0x20a1,
5448                             "Failed SNS login: loop_id=%x mb[0]=%x mb[1]=%x mb[2]=%x mb[6]=%x mb[7]=%x (%x).\n",
5449                             loop_id, mb[0], mb[1], mb[2], mb[6], mb[7], rval);
5450                         set_bit(LOOP_RESYNC_NEEDED, &vha->dpc_flags);
5451                         return rval;
5452                 }
5453                 if (test_and_clear_bit(REGISTER_FC4_NEEDED, &vha->dpc_flags)) {
5454                         if (qla2x00_rft_id(vha)) {
5455                                 /* EMPTY */
5456                                 ql_dbg(ql_dbg_disc, vha, 0x20a2,
5457                                     "Register FC-4 TYPE failed.\n");
5458                                 if (test_bit(LOOP_RESYNC_NEEDED,
5459                                     &vha->dpc_flags))
5460                                         break;
5461                         }
5462                         if (qla2x00_rff_id(vha, FC4_TYPE_FCP_SCSI)) {
5463                                 /* EMPTY */
5464                                 ql_dbg(ql_dbg_disc, vha, 0x209a,
5465                                     "Register FC-4 Features failed.\n");
5466                                 if (test_bit(LOOP_RESYNC_NEEDED,
5467                                     &vha->dpc_flags))
5468                                         break;
5469                         }
5470                         if (vha->flags.nvme_enabled) {
5471                                 if (qla2x00_rff_id(vha, FC_TYPE_NVME)) {
5472                                         ql_dbg(ql_dbg_disc, vha, 0x2049,
5473                                             "Register NVME FC Type Features failed.\n");
5474                                 }
5475                         }
5476                         if (qla2x00_rnn_id(vha)) {
5477                                 /* EMPTY */
5478                                 ql_dbg(ql_dbg_disc, vha, 0x2104,
5479                                     "Register Node Name failed.\n");
5480                                 if (test_bit(LOOP_RESYNC_NEEDED,
5481                                     &vha->dpc_flags))
5482                                         break;
5483                         } else if (qla2x00_rsnn_nn(vha)) {
5484                                 /* EMPTY */
5485                                 ql_dbg(ql_dbg_disc, vha, 0x209b,
5486                                     "Register Symbolic Node Name failed.\n");
5487                                 if (test_bit(LOOP_RESYNC_NEEDED, &vha->dpc_flags))
5488                                         break;
5489                         }
5490                 }
5491
5492
5493                 /* Mark the time right before querying FW for connected ports.
5494                  * This process is long, asynchronous and by the time it's done,
5495                  * collected information might not be accurate anymore. E.g.
5496                  * disconnected port might have re-connected and a brand new
5497                  * session has been created. In this case session's generation
5498                  * will be newer than discovery_gen. */
5499                 qlt_do_generation_tick(vha, &discovery_gen);
5500
5501                 if (USE_ASYNC_SCAN(ha)) {
5502                         rval = qla24xx_async_gpnft(vha, FC4_TYPE_FCP_SCSI,
5503                             NULL);
5504                         if (rval)
5505                                 set_bit(LOOP_RESYNC_NEEDED, &vha->dpc_flags);
5506                 } else  {
5507                         list_for_each_entry(fcport, &vha->vp_fcports, list)
5508                                 fcport->scan_state = QLA_FCPORT_SCAN;
5509
5510                         rval = qla2x00_find_all_fabric_devs(vha);
5511                 }
5512                 if (rval != QLA_SUCCESS)
5513                         break;
5514         } while (0);
5515
5516         if (!vha->nvme_local_port && vha->flags.nvme_enabled)
5517                 qla_nvme_register_hba(vha);
5518
5519         if (rval)
5520                 ql_dbg(ql_dbg_disc, vha, 0x2068,
5521                     "Configure fabric error exit rval=%d.\n", rval);
5522
5523         return (rval);
5524 }
5525
5526 /*
5527  * qla2x00_find_all_fabric_devs
5528  *
5529  * Input:
5530  *      ha = adapter block pointer.
5531  *      dev = database device entry pointer.
5532  *
5533  * Returns:
5534  *      0 = success.
5535  *
5536  * Context:
5537  *      Kernel context.
5538  */
5539 static int
5540 qla2x00_find_all_fabric_devs(scsi_qla_host_t *vha)
5541 {
5542         int             rval;
5543         uint16_t        loop_id;
5544         fc_port_t       *fcport, *new_fcport;
5545         int             found;
5546
5547         sw_info_t       *swl;
5548         int             swl_idx;
5549         int             first_dev, last_dev;
5550         port_id_t       wrap = {}, nxt_d_id;
5551         struct qla_hw_data *ha = vha->hw;
5552         struct scsi_qla_host *base_vha = pci_get_drvdata(ha->pdev);
5553         unsigned long flags;
5554
5555         rval = QLA_SUCCESS;
5556
5557         /* Try GID_PT to get device list, else GAN. */
5558         if (!ha->swl)
5559                 ha->swl = kcalloc(ha->max_fibre_devices, sizeof(sw_info_t),
5560                     GFP_KERNEL);
5561         swl = ha->swl;
5562         if (!swl) {
5563                 /*EMPTY*/
5564                 ql_dbg(ql_dbg_disc, vha, 0x209c,
5565                     "GID_PT allocations failed, fallback on GA_NXT.\n");
5566         } else {
5567                 memset(swl, 0, ha->max_fibre_devices * sizeof(sw_info_t));
5568                 if (qla2x00_gid_pt(vha, swl) != QLA_SUCCESS) {
5569                         swl = NULL;
5570                         if (test_bit(LOOP_RESYNC_NEEDED, &vha->dpc_flags))
5571                                 return rval;
5572                 } else if (qla2x00_gpn_id(vha, swl) != QLA_SUCCESS) {
5573                         swl = NULL;
5574                         if (test_bit(LOOP_RESYNC_NEEDED, &vha->dpc_flags))
5575                                 return rval;
5576                 } else if (qla2x00_gnn_id(vha, swl) != QLA_SUCCESS) {
5577                         swl = NULL;
5578                         if (test_bit(LOOP_RESYNC_NEEDED, &vha->dpc_flags))
5579                                 return rval;
5580                 } else if (qla2x00_gfpn_id(vha, swl) != QLA_SUCCESS) {
5581                         swl = NULL;
5582                         if (test_bit(LOOP_RESYNC_NEEDED, &vha->dpc_flags))
5583                                 return rval;
5584                 }
5585
5586                 /* If other queries succeeded probe for FC-4 type */
5587                 if (swl) {
5588                         qla2x00_gff_id(vha, swl);
5589                         if (test_bit(LOOP_RESYNC_NEEDED, &vha->dpc_flags))
5590                                 return rval;
5591                 }
5592         }
5593         swl_idx = 0;
5594
5595         /* Allocate temporary fcport for any new fcports discovered. */
5596         new_fcport = qla2x00_alloc_fcport(vha, GFP_KERNEL);
5597         if (new_fcport == NULL) {
5598                 ql_log(ql_log_warn, vha, 0x209d,
5599                     "Failed to allocate memory for fcport.\n");
5600                 return (QLA_MEMORY_ALLOC_FAILED);
5601         }
5602         new_fcport->flags |= (FCF_FABRIC_DEVICE | FCF_LOGIN_NEEDED);
5603         /* Set start port ID scan at adapter ID. */
5604         first_dev = 1;
5605         last_dev = 0;
5606
5607         /* Starting free loop ID. */
5608         loop_id = ha->min_external_loopid;
5609         for (; loop_id <= ha->max_loop_id; loop_id++) {
5610                 if (qla2x00_is_reserved_id(vha, loop_id))
5611                         continue;
5612
5613                 if (ha->current_topology == ISP_CFG_FL &&
5614                     (atomic_read(&vha->loop_down_timer) ||
5615                      LOOP_TRANSITION(vha))) {
5616                         atomic_set(&vha->loop_down_timer, 0);
5617                         set_bit(LOOP_RESYNC_NEEDED, &vha->dpc_flags);
5618                         set_bit(LOCAL_LOOP_UPDATE, &vha->dpc_flags);
5619                         break;
5620                 }
5621
5622                 if (swl != NULL) {
5623                         if (last_dev) {
5624                                 wrap.b24 = new_fcport->d_id.b24;
5625                         } else {
5626                                 new_fcport->d_id.b24 = swl[swl_idx].d_id.b24;
5627                                 memcpy(new_fcport->node_name,
5628                                     swl[swl_idx].node_name, WWN_SIZE);
5629                                 memcpy(new_fcport->port_name,
5630                                     swl[swl_idx].port_name, WWN_SIZE);
5631                                 memcpy(new_fcport->fabric_port_name,
5632                                     swl[swl_idx].fabric_port_name, WWN_SIZE);
5633                                 new_fcport->fp_speed = swl[swl_idx].fp_speed;
5634                                 new_fcport->fc4_type = swl[swl_idx].fc4_type;
5635
5636                                 new_fcport->nvme_flag = 0;
5637                                 new_fcport->fc4f_nvme = 0;
5638                                 if (vha->flags.nvme_enabled &&
5639                                     swl[swl_idx].fc4f_nvme) {
5640                                         new_fcport->fc4f_nvme =
5641                                             swl[swl_idx].fc4f_nvme;
5642                                         ql_log(ql_log_info, vha, 0x2131,
5643                                             "FOUND: NVME port %8phC as FC Type 28h\n",
5644                                             new_fcport->port_name);
5645                                 }
5646
5647                                 if (swl[swl_idx].d_id.b.rsvd_1 != 0) {
5648                                         last_dev = 1;
5649                                 }
5650                                 swl_idx++;
5651                         }
5652                 } else {
5653                         /* Send GA_NXT to the switch */
5654                         rval = qla2x00_ga_nxt(vha, new_fcport);
5655                         if (rval != QLA_SUCCESS) {
5656                                 ql_log(ql_log_warn, vha, 0x209e,
5657                                     "SNS scan failed -- assuming "
5658                                     "zero-entry result.\n");
5659                                 rval = QLA_SUCCESS;
5660                                 break;
5661                         }
5662                 }
5663
5664                 /* If wrap on switch device list, exit. */
5665                 if (first_dev) {
5666                         wrap.b24 = new_fcport->d_id.b24;
5667                         first_dev = 0;
5668                 } else if (new_fcport->d_id.b24 == wrap.b24) {
5669                         ql_dbg(ql_dbg_disc, vha, 0x209f,
5670                             "Device wrap (%02x%02x%02x).\n",
5671                             new_fcport->d_id.b.domain,
5672                             new_fcport->d_id.b.area,
5673                             new_fcport->d_id.b.al_pa);
5674                         break;
5675                 }
5676
5677                 /* Bypass if same physical adapter. */
5678                 if (new_fcport->d_id.b24 == base_vha->d_id.b24)
5679                         continue;
5680
5681                 /* Bypass virtual ports of the same host. */
5682                 if (qla2x00_is_a_vp_did(vha, new_fcport->d_id.b24))
5683                         continue;
5684
5685                 /* Bypass if same domain and area of adapter. */
5686                 if (((new_fcport->d_id.b24 & 0xffff00) ==
5687                     (vha->d_id.b24 & 0xffff00)) && ha->current_topology ==
5688                         ISP_CFG_FL)
5689                             continue;
5690
5691                 /* Bypass reserved domain fields. */
5692                 if ((new_fcport->d_id.b.domain & 0xf0) == 0xf0)
5693                         continue;
5694
5695                 /* Bypass ports whose FCP-4 type is not FCP_SCSI */
5696                 if (ql2xgffidenable &&
5697                     (new_fcport->fc4_type != FC4_TYPE_FCP_SCSI &&
5698                     new_fcport->fc4_type != FC4_TYPE_UNKNOWN))
5699                         continue;
5700
5701                 spin_lock_irqsave(&vha->hw->tgt.sess_lock, flags);
5702
5703                 /* Locate matching device in database. */
5704                 found = 0;
5705                 list_for_each_entry(fcport, &vha->vp_fcports, list) {
5706                         if (memcmp(new_fcport->port_name, fcport->port_name,
5707                             WWN_SIZE))
5708                                 continue;
5709
5710                         fcport->scan_state = QLA_FCPORT_FOUND;
5711
5712                         found++;
5713
5714                         /* Update port state. */
5715                         memcpy(fcport->fabric_port_name,
5716                             new_fcport->fabric_port_name, WWN_SIZE);
5717                         fcport->fp_speed = new_fcport->fp_speed;
5718
5719                         /*
5720                          * If address the same and state FCS_ONLINE
5721                          * (or in target mode), nothing changed.
5722                          */
5723                         if (fcport->d_id.b24 == new_fcport->d_id.b24 &&
5724                             (atomic_read(&fcport->state) == FCS_ONLINE ||
5725                              (vha->host->active_mode == MODE_TARGET))) {
5726                                 break;
5727                         }
5728
5729                         /*
5730                          * If device was not a fabric device before.
5731                          */
5732                         if ((fcport->flags & FCF_FABRIC_DEVICE) == 0) {
5733                                 fcport->d_id.b24 = new_fcport->d_id.b24;
5734                                 qla2x00_clear_loop_id(fcport);
5735                                 fcport->flags |= (FCF_FABRIC_DEVICE |
5736                                     FCF_LOGIN_NEEDED);
5737                                 break;
5738                         }
5739
5740                         /*
5741                          * Port ID changed or device was marked to be updated;
5742                          * Log it out if still logged in and mark it for
5743                          * relogin later.
5744                          */
5745                         if (qla_tgt_mode_enabled(base_vha)) {
5746                                 ql_dbg(ql_dbg_tgt_mgt, vha, 0xf080,
5747                                          "port changed FC ID, %8phC"
5748                                          " old %x:%x:%x (loop_id 0x%04x)-> new %x:%x:%x\n",
5749                                          fcport->port_name,
5750                                          fcport->d_id.b.domain,
5751                                          fcport->d_id.b.area,
5752                                          fcport->d_id.b.al_pa,
5753                                          fcport->loop_id,
5754                                          new_fcport->d_id.b.domain,
5755                                          new_fcport->d_id.b.area,
5756                                          new_fcport->d_id.b.al_pa);
5757                                 fcport->d_id.b24 = new_fcport->d_id.b24;
5758                                 break;
5759                         }
5760
5761                         fcport->d_id.b24 = new_fcport->d_id.b24;
5762                         fcport->flags |= FCF_LOGIN_NEEDED;
5763                         break;
5764                 }
5765
5766                 if (fcport->fc4f_nvme) {
5767                         if (fcport->disc_state == DSC_DELETE_PEND) {
5768                                 fcport->disc_state = DSC_GNL;
5769                                 vha->fcport_count--;
5770                                 fcport->login_succ = 0;
5771                         }
5772                 }
5773
5774                 if (found) {
5775                         spin_unlock_irqrestore(&vha->hw->tgt.sess_lock, flags);
5776                         continue;
5777                 }
5778                 /* If device was not in our fcports list, then add it. */
5779                 new_fcport->scan_state = QLA_FCPORT_FOUND;
5780                 list_add_tail(&new_fcport->list, &vha->vp_fcports);
5781
5782                 spin_unlock_irqrestore(&vha->hw->tgt.sess_lock, flags);
5783
5784
5785                 /* Allocate a new replacement fcport. */
5786                 nxt_d_id.b24 = new_fcport->d_id.b24;
5787                 new_fcport = qla2x00_alloc_fcport(vha, GFP_KERNEL);
5788                 if (new_fcport == NULL) {
5789                         ql_log(ql_log_warn, vha, 0xd032,
5790                             "Memory allocation failed for fcport.\n");
5791                         return (QLA_MEMORY_ALLOC_FAILED);
5792                 }
5793                 new_fcport->flags |= (FCF_FABRIC_DEVICE | FCF_LOGIN_NEEDED);
5794                 new_fcport->d_id.b24 = nxt_d_id.b24;
5795         }
5796
5797         qla2x00_free_fcport(new_fcport);
5798
5799         /*
5800          * Logout all previous fabric dev marked lost, except FCP2 devices.
5801          */
5802         list_for_each_entry(fcport, &vha->vp_fcports, list) {
5803                 if (test_bit(LOOP_RESYNC_NEEDED, &vha->dpc_flags))
5804                         break;
5805
5806                 if ((fcport->flags & FCF_FABRIC_DEVICE) == 0 ||
5807                     (fcport->flags & FCF_LOGIN_NEEDED) == 0)
5808                         continue;
5809
5810                 if (fcport->scan_state == QLA_FCPORT_SCAN) {
5811                         if ((qla_dual_mode_enabled(vha) ||
5812                             qla_ini_mode_enabled(vha)) &&
5813                             atomic_read(&fcport->state) == FCS_ONLINE) {
5814                                 qla2x00_mark_device_lost(vha, fcport,
5815                                         ql2xplogiabsentdevice, 0);
5816                                 if (fcport->loop_id != FC_NO_LOOP_ID &&
5817                                     (fcport->flags & FCF_FCP2_DEVICE) == 0 &&
5818                                     fcport->port_type != FCT_INITIATOR &&
5819                                     fcport->port_type != FCT_BROADCAST) {
5820                                         ql_dbg(ql_dbg_disc, vha, 0x20f0,
5821                                             "%s %d %8phC post del sess\n",
5822                                             __func__, __LINE__,
5823                                             fcport->port_name);
5824                                         qlt_schedule_sess_for_deletion(fcport);
5825                                         continue;
5826                                 }
5827                         }
5828                 }
5829
5830                 if (fcport->scan_state == QLA_FCPORT_FOUND)
5831                         qla24xx_fcport_handle_login(vha, fcport);
5832         }
5833         return (rval);
5834 }
5835
5836 /*
5837  * qla2x00_find_new_loop_id
5838  *      Scan through our port list and find a new usable loop ID.
5839  *
5840  * Input:
5841  *      ha:     adapter state pointer.
5842  *      dev:    port structure pointer.
5843  *
5844  * Returns:
5845  *      qla2x00 local function return status code.
5846  *
5847  * Context:
5848  *      Kernel context.
5849  */
5850 int
5851 qla2x00_find_new_loop_id(scsi_qla_host_t *vha, fc_port_t *dev)
5852 {
5853         int     rval;
5854         struct qla_hw_data *ha = vha->hw;
5855         unsigned long flags = 0;
5856
5857         rval = QLA_SUCCESS;
5858
5859         spin_lock_irqsave(&ha->vport_slock, flags);
5860
5861         dev->loop_id = find_first_zero_bit(ha->loop_id_map,
5862             LOOPID_MAP_SIZE);
5863         if (dev->loop_id >= LOOPID_MAP_SIZE ||
5864             qla2x00_is_reserved_id(vha, dev->loop_id)) {
5865                 dev->loop_id = FC_NO_LOOP_ID;
5866                 rval = QLA_FUNCTION_FAILED;
5867         } else
5868                 set_bit(dev->loop_id, ha->loop_id_map);
5869
5870         spin_unlock_irqrestore(&ha->vport_slock, flags);
5871
5872         if (rval == QLA_SUCCESS)
5873                 ql_dbg(ql_dbg_disc, dev->vha, 0x2086,
5874                     "Assigning new loopid=%x, portid=%x.\n",
5875                     dev->loop_id, dev->d_id.b24);
5876         else
5877                 ql_log(ql_log_warn, dev->vha, 0x2087,
5878                     "No loop_id's available, portid=%x.\n",
5879                     dev->d_id.b24);
5880
5881         return (rval);
5882 }
5883
5884
5885 /* FW does not set aside Loop id for MGMT Server/FFFFFAh */
5886 int
5887 qla2x00_reserve_mgmt_server_loop_id(scsi_qla_host_t *vha)
5888 {
5889         int loop_id = FC_NO_LOOP_ID;
5890         int lid = NPH_MGMT_SERVER - vha->vp_idx;
5891         unsigned long flags;
5892         struct qla_hw_data *ha = vha->hw;
5893
5894         if (vha->vp_idx == 0) {
5895                 set_bit(NPH_MGMT_SERVER, ha->loop_id_map);
5896                 return NPH_MGMT_SERVER;
5897         }
5898
5899         /* pick id from high and work down to low */
5900         spin_lock_irqsave(&ha->vport_slock, flags);
5901         for (; lid > 0; lid--) {
5902                 if (!test_bit(lid, vha->hw->loop_id_map)) {
5903                         set_bit(lid, vha->hw->loop_id_map);
5904                         loop_id = lid;
5905                         break;
5906                 }
5907         }
5908         spin_unlock_irqrestore(&ha->vport_slock, flags);
5909
5910         return loop_id;
5911 }
5912
5913 /*
5914  * qla2x00_fabric_login
5915  *      Issue fabric login command.
5916  *
5917  * Input:
5918  *      ha = adapter block pointer.
5919  *      device = pointer to FC device type structure.
5920  *
5921  * Returns:
5922  *      0 - Login successfully
5923  *      1 - Login failed
5924  *      2 - Initiator device
5925  *      3 - Fatal error
5926  */
5927 int
5928 qla2x00_fabric_login(scsi_qla_host_t *vha, fc_port_t *fcport,
5929     uint16_t *next_loopid)
5930 {
5931         int     rval;
5932         int     retry;
5933         uint16_t tmp_loopid;
5934         uint16_t mb[MAILBOX_REGISTER_COUNT];
5935         struct qla_hw_data *ha = vha->hw;
5936
5937         retry = 0;
5938         tmp_loopid = 0;
5939
5940         for (;;) {
5941                 ql_dbg(ql_dbg_disc, vha, 0x2000,
5942                     "Trying Fabric Login w/loop id 0x%04x for port "
5943                     "%02x%02x%02x.\n",
5944                     fcport->loop_id, fcport->d_id.b.domain,
5945                     fcport->d_id.b.area, fcport->d_id.b.al_pa);
5946
5947                 /* Login fcport on switch. */
5948                 rval = ha->isp_ops->fabric_login(vha, fcport->loop_id,
5949                     fcport->d_id.b.domain, fcport->d_id.b.area,
5950                     fcport->d_id.b.al_pa, mb, BIT_0);
5951                 if (rval != QLA_SUCCESS) {
5952                         return rval;
5953                 }
5954                 if (mb[0] == MBS_PORT_ID_USED) {
5955                         /*
5956                          * Device has another loop ID.  The firmware team
5957                          * recommends the driver perform an implicit login with
5958                          * the specified ID again. The ID we just used is save
5959                          * here so we return with an ID that can be tried by
5960                          * the next login.
5961                          */
5962                         retry++;
5963                         tmp_loopid = fcport->loop_id;
5964                         fcport->loop_id = mb[1];
5965
5966                         ql_dbg(ql_dbg_disc, vha, 0x2001,
5967                             "Fabric Login: port in use - next loop "
5968                             "id=0x%04x, port id= %02x%02x%02x.\n",
5969                             fcport->loop_id, fcport->d_id.b.domain,
5970                             fcport->d_id.b.area, fcport->d_id.b.al_pa);
5971
5972                 } else if (mb[0] == MBS_COMMAND_COMPLETE) {
5973                         /*
5974                          * Login succeeded.
5975                          */
5976                         if (retry) {
5977                                 /* A retry occurred before. */
5978                                 *next_loopid = tmp_loopid;
5979                         } else {
5980                                 /*
5981                                  * No retry occurred before. Just increment the
5982                                  * ID value for next login.
5983                                  */
5984                                 *next_loopid = (fcport->loop_id + 1);
5985                         }
5986
5987                         if (mb[1] & BIT_0) {
5988                                 fcport->port_type = FCT_INITIATOR;
5989                         } else {
5990                                 fcport->port_type = FCT_TARGET;
5991                                 if (mb[1] & BIT_1) {
5992                                         fcport->flags |= FCF_FCP2_DEVICE;
5993                                 }
5994                         }
5995
5996                         if (mb[10] & BIT_0)
5997                                 fcport->supported_classes |= FC_COS_CLASS2;
5998                         if (mb[10] & BIT_1)
5999                                 fcport->supported_classes |= FC_COS_CLASS3;
6000
6001                         if (IS_FWI2_CAPABLE(ha)) {
6002                                 if (mb[10] & BIT_7)
6003                                         fcport->flags |=
6004                                             FCF_CONF_COMP_SUPPORTED;
6005                         }
6006
6007                         rval = QLA_SUCCESS;
6008                         break;
6009                 } else if (mb[0] == MBS_LOOP_ID_USED) {
6010                         /*
6011                          * Loop ID already used, try next loop ID.
6012                          */
6013                         fcport->loop_id++;
6014                         rval = qla2x00_find_new_loop_id(vha, fcport);
6015                         if (rval != QLA_SUCCESS) {
6016                                 /* Ran out of loop IDs to use */
6017                                 break;
6018                         }
6019                 } else if (mb[0] == MBS_COMMAND_ERROR) {
6020                         /*
6021                          * Firmware possibly timed out during login. If NO
6022                          * retries are left to do then the device is declared
6023                          * dead.
6024                          */
6025                         *next_loopid = fcport->loop_id;
6026                         ha->isp_ops->fabric_logout(vha, fcport->loop_id,
6027                             fcport->d_id.b.domain, fcport->d_id.b.area,
6028                             fcport->d_id.b.al_pa);
6029                         qla2x00_mark_device_lost(vha, fcport, 1, 0);
6030
6031                         rval = 1;
6032                         break;
6033                 } else {
6034                         /*
6035                          * unrecoverable / not handled error
6036                          */
6037                         ql_dbg(ql_dbg_disc, vha, 0x2002,
6038                             "Failed=%x port_id=%02x%02x%02x loop_id=%x "
6039                             "jiffies=%lx.\n", mb[0], fcport->d_id.b.domain,
6040                             fcport->d_id.b.area, fcport->d_id.b.al_pa,
6041                             fcport->loop_id, jiffies);
6042
6043                         *next_loopid = fcport->loop_id;
6044                         ha->isp_ops->fabric_logout(vha, fcport->loop_id,
6045                             fcport->d_id.b.domain, fcport->d_id.b.area,
6046                             fcport->d_id.b.al_pa);
6047                         qla2x00_clear_loop_id(fcport);
6048                         fcport->login_retry = 0;
6049
6050                         rval = 3;
6051                         break;
6052                 }
6053         }
6054
6055         return (rval);
6056 }
6057
6058 /*
6059  * qla2x00_local_device_login
6060  *      Issue local device login command.
6061  *
6062  * Input:
6063  *      ha = adapter block pointer.
6064  *      loop_id = loop id of device to login to.
6065  *
6066  * Returns (Where's the #define!!!!):
6067  *      0 - Login successfully
6068  *      1 - Login failed
6069  *      3 - Fatal error
6070  */
6071 int
6072 qla2x00_local_device_login(scsi_qla_host_t *vha, fc_port_t *fcport)
6073 {
6074         int             rval;
6075         uint16_t        mb[MAILBOX_REGISTER_COUNT];
6076
6077         memset(mb, 0, sizeof(mb));
6078         rval = qla2x00_login_local_device(vha, fcport, mb, BIT_0);
6079         if (rval == QLA_SUCCESS) {
6080                 /* Interrogate mailbox registers for any errors */
6081                 if (mb[0] == MBS_COMMAND_ERROR)
6082                         rval = 1;
6083                 else if (mb[0] == MBS_COMMAND_PARAMETER_ERROR)
6084                         /* device not in PCB table */
6085                         rval = 3;
6086         }
6087
6088         return (rval);
6089 }
6090
6091 /*
6092  *  qla2x00_loop_resync
6093  *      Resync with fibre channel devices.
6094  *
6095  * Input:
6096  *      ha = adapter block pointer.
6097  *
6098  * Returns:
6099  *      0 = success
6100  */
6101 int
6102 qla2x00_loop_resync(scsi_qla_host_t *vha)
6103 {
6104         int rval = QLA_SUCCESS;
6105         uint32_t wait_time;
6106         struct req_que *req;
6107         struct rsp_que *rsp;
6108
6109         req = vha->req;
6110         rsp = req->rsp;
6111
6112         clear_bit(ISP_ABORT_RETRY, &vha->dpc_flags);
6113         if (vha->flags.online) {
6114                 if (!(rval = qla2x00_fw_ready(vha))) {
6115                         /* Wait at most MAX_TARGET RSCNs for a stable link. */
6116                         wait_time = 256;
6117                         do {
6118                                 if (!IS_QLAFX00(vha->hw)) {
6119                                         /*
6120                                          * Issue a marker after FW becomes
6121                                          * ready.
6122                                          */
6123                                         qla2x00_marker(vha, req, rsp, 0, 0,
6124                                                 MK_SYNC_ALL);
6125                                         vha->marker_needed = 0;
6126                                 }
6127
6128                                 /* Remap devices on Loop. */
6129                                 clear_bit(LOOP_RESYNC_NEEDED, &vha->dpc_flags);
6130
6131                                 if (IS_QLAFX00(vha->hw))
6132                                         qlafx00_configure_devices(vha);
6133                                 else
6134                                         qla2x00_configure_loop(vha);
6135
6136                                 wait_time--;
6137                         } while (!atomic_read(&vha->loop_down_timer) &&
6138                                 !(test_bit(ISP_ABORT_NEEDED, &vha->dpc_flags))
6139                                 && wait_time && (test_bit(LOOP_RESYNC_NEEDED,
6140                                 &vha->dpc_flags)));
6141                 }
6142         }
6143
6144         if (test_bit(ISP_ABORT_NEEDED, &vha->dpc_flags))
6145                 return (QLA_FUNCTION_FAILED);
6146
6147         if (rval)
6148                 ql_dbg(ql_dbg_disc, vha, 0x206c,
6149                     "%s *** FAILED ***.\n", __func__);
6150
6151         return (rval);
6152 }
6153
6154 /*
6155 * qla2x00_perform_loop_resync
6156 * Description: This function will set the appropriate flags and call
6157 *              qla2x00_loop_resync. If successful loop will be resynced
6158 * Arguments : scsi_qla_host_t pointer
6159 * returm    : Success or Failure
6160 */
6161
6162 int qla2x00_perform_loop_resync(scsi_qla_host_t *ha)
6163 {
6164         int32_t rval = 0;
6165
6166         if (!test_and_set_bit(LOOP_RESYNC_ACTIVE, &ha->dpc_flags)) {
6167                 /*Configure the flags so that resync happens properly*/
6168                 atomic_set(&ha->loop_down_timer, 0);
6169                 if (!(ha->device_flags & DFLG_NO_CABLE)) {
6170                         atomic_set(&ha->loop_state, LOOP_UP);
6171                         set_bit(LOCAL_LOOP_UPDATE, &ha->dpc_flags);
6172                         set_bit(REGISTER_FC4_NEEDED, &ha->dpc_flags);
6173                         set_bit(LOOP_RESYNC_NEEDED, &ha->dpc_flags);
6174
6175                         rval = qla2x00_loop_resync(ha);
6176                 } else
6177                         atomic_set(&ha->loop_state, LOOP_DEAD);
6178
6179                 clear_bit(LOOP_RESYNC_ACTIVE, &ha->dpc_flags);
6180         }
6181
6182         return rval;
6183 }
6184
6185 void
6186 qla2x00_update_fcports(scsi_qla_host_t *base_vha)
6187 {
6188         fc_port_t *fcport;
6189         struct scsi_qla_host *vha;
6190         struct qla_hw_data *ha = base_vha->hw;
6191         unsigned long flags;
6192
6193         spin_lock_irqsave(&ha->vport_slock, flags);
6194         /* Go with deferred removal of rport references. */
6195         list_for_each_entry(vha, &base_vha->hw->vp_list, list) {
6196                 atomic_inc(&vha->vref_count);
6197                 list_for_each_entry(fcport, &vha->vp_fcports, list) {
6198                         if (fcport->drport &&
6199                             atomic_read(&fcport->state) != FCS_UNCONFIGURED) {
6200                                 spin_unlock_irqrestore(&ha->vport_slock, flags);
6201                                 qla2x00_rport_del(fcport);
6202
6203                                 spin_lock_irqsave(&ha->vport_slock, flags);
6204                         }
6205                 }
6206                 atomic_dec(&vha->vref_count);
6207                 wake_up(&vha->vref_waitq);
6208         }
6209         spin_unlock_irqrestore(&ha->vport_slock, flags);
6210 }
6211
6212 /* Assumes idc_lock always held on entry */
6213 void
6214 qla83xx_reset_ownership(scsi_qla_host_t *vha)
6215 {
6216         struct qla_hw_data *ha = vha->hw;
6217         uint32_t drv_presence, drv_presence_mask;
6218         uint32_t dev_part_info1, dev_part_info2, class_type;
6219         uint32_t class_type_mask = 0x3;
6220         uint16_t fcoe_other_function = 0xffff, i;
6221
6222         if (IS_QLA8044(ha)) {
6223                 drv_presence = qla8044_rd_direct(vha,
6224                     QLA8044_CRB_DRV_ACTIVE_INDEX);
6225                 dev_part_info1 = qla8044_rd_direct(vha,
6226                     QLA8044_CRB_DEV_PART_INFO_INDEX);
6227                 dev_part_info2 = qla8044_rd_direct(vha,
6228                     QLA8044_CRB_DEV_PART_INFO2);
6229         } else {
6230                 qla83xx_rd_reg(vha, QLA83XX_IDC_DRV_PRESENCE, &drv_presence);
6231                 qla83xx_rd_reg(vha, QLA83XX_DEV_PARTINFO1, &dev_part_info1);
6232                 qla83xx_rd_reg(vha, QLA83XX_DEV_PARTINFO2, &dev_part_info2);
6233         }
6234         for (i = 0; i < 8; i++) {
6235                 class_type = ((dev_part_info1 >> (i * 4)) & class_type_mask);
6236                 if ((class_type == QLA83XX_CLASS_TYPE_FCOE) &&
6237                     (i != ha->portnum)) {
6238                         fcoe_other_function = i;
6239                         break;
6240                 }
6241         }
6242         if (fcoe_other_function == 0xffff) {
6243                 for (i = 0; i < 8; i++) {
6244                         class_type = ((dev_part_info2 >> (i * 4)) &
6245                             class_type_mask);
6246                         if ((class_type == QLA83XX_CLASS_TYPE_FCOE) &&
6247                             ((i + 8) != ha->portnum)) {
6248                                 fcoe_other_function = i + 8;
6249                                 break;
6250                         }
6251                 }
6252         }
6253         /*
6254          * Prepare drv-presence mask based on fcoe functions present.
6255          * However consider only valid physical fcoe function numbers (0-15).
6256          */
6257         drv_presence_mask = ~((1 << (ha->portnum)) |
6258                         ((fcoe_other_function == 0xffff) ?
6259                          0 : (1 << (fcoe_other_function))));
6260
6261         /* We are the reset owner iff:
6262          *    - No other protocol drivers present.
6263          *    - This is the lowest among fcoe functions. */
6264         if (!(drv_presence & drv_presence_mask) &&
6265                         (ha->portnum < fcoe_other_function)) {
6266                 ql_dbg(ql_dbg_p3p, vha, 0xb07f,
6267                     "This host is Reset owner.\n");
6268                 ha->flags.nic_core_reset_owner = 1;
6269         }
6270 }
6271
6272 static int
6273 __qla83xx_set_drv_ack(scsi_qla_host_t *vha)
6274 {
6275         int rval = QLA_SUCCESS;
6276         struct qla_hw_data *ha = vha->hw;
6277         uint32_t drv_ack;
6278
6279         rval = qla83xx_rd_reg(vha, QLA83XX_IDC_DRIVER_ACK, &drv_ack);
6280         if (rval == QLA_SUCCESS) {
6281                 drv_ack |= (1 << ha->portnum);
6282                 rval = qla83xx_wr_reg(vha, QLA83XX_IDC_DRIVER_ACK, drv_ack);
6283         }
6284
6285         return rval;
6286 }
6287
6288 static int
6289 __qla83xx_clear_drv_ack(scsi_qla_host_t *vha)
6290 {
6291         int rval = QLA_SUCCESS;
6292         struct qla_hw_data *ha = vha->hw;
6293         uint32_t drv_ack;
6294
6295         rval = qla83xx_rd_reg(vha, QLA83XX_IDC_DRIVER_ACK, &drv_ack);
6296         if (rval == QLA_SUCCESS) {
6297                 drv_ack &= ~(1 << ha->portnum);
6298                 rval = qla83xx_wr_reg(vha, QLA83XX_IDC_DRIVER_ACK, drv_ack);
6299         }
6300
6301         return rval;
6302 }
6303
6304 static const char *
6305 qla83xx_dev_state_to_string(uint32_t dev_state)
6306 {
6307         switch (dev_state) {
6308         case QLA8XXX_DEV_COLD:
6309                 return "COLD/RE-INIT";
6310         case QLA8XXX_DEV_INITIALIZING:
6311                 return "INITIALIZING";
6312         case QLA8XXX_DEV_READY:
6313                 return "READY";
6314         case QLA8XXX_DEV_NEED_RESET:
6315                 return "NEED RESET";
6316         case QLA8XXX_DEV_NEED_QUIESCENT:
6317                 return "NEED QUIESCENT";
6318         case QLA8XXX_DEV_FAILED:
6319                 return "FAILED";
6320         case QLA8XXX_DEV_QUIESCENT:
6321                 return "QUIESCENT";
6322         default:
6323                 return "Unknown";
6324         }
6325 }
6326
6327 /* Assumes idc-lock always held on entry */
6328 void
6329 qla83xx_idc_audit(scsi_qla_host_t *vha, int audit_type)
6330 {
6331         struct qla_hw_data *ha = vha->hw;
6332         uint32_t idc_audit_reg = 0, duration_secs = 0;
6333
6334         switch (audit_type) {
6335         case IDC_AUDIT_TIMESTAMP:
6336                 ha->idc_audit_ts = (jiffies_to_msecs(jiffies) / 1000);
6337                 idc_audit_reg = (ha->portnum) |
6338                     (IDC_AUDIT_TIMESTAMP << 7) | (ha->idc_audit_ts << 8);
6339                 qla83xx_wr_reg(vha, QLA83XX_IDC_AUDIT, idc_audit_reg);
6340                 break;
6341
6342         case IDC_AUDIT_COMPLETION:
6343                 duration_secs = ((jiffies_to_msecs(jiffies) -
6344                     jiffies_to_msecs(ha->idc_audit_ts)) / 1000);
6345                 idc_audit_reg = (ha->portnum) |
6346                     (IDC_AUDIT_COMPLETION << 7) | (duration_secs << 8);
6347                 qla83xx_wr_reg(vha, QLA83XX_IDC_AUDIT, idc_audit_reg);
6348                 break;
6349
6350         default:
6351                 ql_log(ql_log_warn, vha, 0xb078,
6352                     "Invalid audit type specified.\n");
6353                 break;
6354         }
6355 }
6356
6357 /* Assumes idc_lock always held on entry */
6358 static int
6359 qla83xx_initiating_reset(scsi_qla_host_t *vha)
6360 {
6361         struct qla_hw_data *ha = vha->hw;
6362         uint32_t  idc_control, dev_state;
6363
6364         __qla83xx_get_idc_control(vha, &idc_control);
6365         if ((idc_control & QLA83XX_IDC_RESET_DISABLED)) {
6366                 ql_log(ql_log_info, vha, 0xb080,
6367                     "NIC Core reset has been disabled. idc-control=0x%x\n",
6368                     idc_control);
6369                 return QLA_FUNCTION_FAILED;
6370         }
6371
6372         /* Set NEED-RESET iff in READY state and we are the reset-owner */
6373         qla83xx_rd_reg(vha, QLA83XX_IDC_DEV_STATE, &dev_state);
6374         if (ha->flags.nic_core_reset_owner && dev_state == QLA8XXX_DEV_READY) {
6375                 qla83xx_wr_reg(vha, QLA83XX_IDC_DEV_STATE,
6376                     QLA8XXX_DEV_NEED_RESET);
6377                 ql_log(ql_log_info, vha, 0xb056, "HW State: NEED RESET.\n");
6378                 qla83xx_idc_audit(vha, IDC_AUDIT_TIMESTAMP);
6379         } else {
6380                 const char *state = qla83xx_dev_state_to_string(dev_state);
6381                 ql_log(ql_log_info, vha, 0xb057, "HW State: %s.\n", state);
6382
6383                 /* SV: XXX: Is timeout required here? */
6384                 /* Wait for IDC state change READY -> NEED_RESET */
6385                 while (dev_state == QLA8XXX_DEV_READY) {
6386                         qla83xx_idc_unlock(vha, 0);
6387                         msleep(200);
6388                         qla83xx_idc_lock(vha, 0);
6389                         qla83xx_rd_reg(vha, QLA83XX_IDC_DEV_STATE, &dev_state);
6390                 }
6391         }
6392
6393         /* Send IDC ack by writing to drv-ack register */
6394         __qla83xx_set_drv_ack(vha);
6395
6396         return QLA_SUCCESS;
6397 }
6398
6399 int
6400 __qla83xx_set_idc_control(scsi_qla_host_t *vha, uint32_t idc_control)
6401 {
6402         return qla83xx_wr_reg(vha, QLA83XX_IDC_CONTROL, idc_control);
6403 }
6404
6405 int
6406 __qla83xx_get_idc_control(scsi_qla_host_t *vha, uint32_t *idc_control)
6407 {
6408         return qla83xx_rd_reg(vha, QLA83XX_IDC_CONTROL, idc_control);
6409 }
6410
6411 static int
6412 qla83xx_check_driver_presence(scsi_qla_host_t *vha)
6413 {
6414         uint32_t drv_presence = 0;
6415         struct qla_hw_data *ha = vha->hw;
6416
6417         qla83xx_rd_reg(vha, QLA83XX_IDC_DRV_PRESENCE, &drv_presence);
6418         if (drv_presence & (1 << ha->portnum))
6419                 return QLA_SUCCESS;
6420         else
6421                 return QLA_TEST_FAILED;
6422 }
6423
6424 int
6425 qla83xx_nic_core_reset(scsi_qla_host_t *vha)
6426 {
6427         int rval = QLA_SUCCESS;
6428         struct qla_hw_data *ha = vha->hw;
6429
6430         ql_dbg(ql_dbg_p3p, vha, 0xb058,
6431             "Entered  %s().\n", __func__);
6432
6433         if (vha->device_flags & DFLG_DEV_FAILED) {
6434                 ql_log(ql_log_warn, vha, 0xb059,
6435                     "Device in unrecoverable FAILED state.\n");
6436                 return QLA_FUNCTION_FAILED;
6437         }
6438
6439         qla83xx_idc_lock(vha, 0);
6440
6441         if (qla83xx_check_driver_presence(vha) != QLA_SUCCESS) {
6442                 ql_log(ql_log_warn, vha, 0xb05a,
6443                     "Function=0x%x has been removed from IDC participation.\n",
6444                     ha->portnum);
6445                 rval = QLA_FUNCTION_FAILED;
6446                 goto exit;
6447         }
6448
6449         qla83xx_reset_ownership(vha);
6450
6451         rval = qla83xx_initiating_reset(vha);
6452
6453         /*
6454          * Perform reset if we are the reset-owner,
6455          * else wait till IDC state changes to READY/FAILED.
6456          */
6457         if (rval == QLA_SUCCESS) {
6458                 rval = qla83xx_idc_state_handler(vha);
6459
6460                 if (rval == QLA_SUCCESS)
6461                         ha->flags.nic_core_hung = 0;
6462                 __qla83xx_clear_drv_ack(vha);
6463         }
6464
6465 exit:
6466         qla83xx_idc_unlock(vha, 0);
6467
6468         ql_dbg(ql_dbg_p3p, vha, 0xb05b, "Exiting %s.\n", __func__);
6469
6470         return rval;
6471 }
6472
6473 int
6474 qla2xxx_mctp_dump(scsi_qla_host_t *vha)
6475 {
6476         struct qla_hw_data *ha = vha->hw;
6477         int rval = QLA_FUNCTION_FAILED;
6478
6479         if (!IS_MCTP_CAPABLE(ha)) {
6480                 /* This message can be removed from the final version */
6481                 ql_log(ql_log_info, vha, 0x506d,
6482                     "This board is not MCTP capable\n");
6483                 return rval;
6484         }
6485
6486         if (!ha->mctp_dump) {
6487                 ha->mctp_dump = dma_alloc_coherent(&ha->pdev->dev,
6488                     MCTP_DUMP_SIZE, &ha->mctp_dump_dma, GFP_KERNEL);
6489
6490                 if (!ha->mctp_dump) {
6491                         ql_log(ql_log_warn, vha, 0x506e,
6492                             "Failed to allocate memory for mctp dump\n");
6493                         return rval;
6494                 }
6495         }
6496
6497 #define MCTP_DUMP_STR_ADDR      0x00000000
6498         rval = qla2x00_dump_mctp_data(vha, ha->mctp_dump_dma,
6499             MCTP_DUMP_STR_ADDR, MCTP_DUMP_SIZE/4);
6500         if (rval != QLA_SUCCESS) {
6501                 ql_log(ql_log_warn, vha, 0x506f,
6502                     "Failed to capture mctp dump\n");
6503         } else {
6504                 ql_log(ql_log_info, vha, 0x5070,
6505                     "Mctp dump capture for host (%ld/%p).\n",
6506                     vha->host_no, ha->mctp_dump);
6507                 ha->mctp_dumped = 1;
6508         }
6509
6510         if (!ha->flags.nic_core_reset_hdlr_active && !ha->portnum) {
6511                 ha->flags.nic_core_reset_hdlr_active = 1;
6512                 rval = qla83xx_restart_nic_firmware(vha);
6513                 if (rval)
6514                         /* NIC Core reset failed. */
6515                         ql_log(ql_log_warn, vha, 0x5071,
6516                             "Failed to restart nic firmware\n");
6517                 else
6518                         ql_dbg(ql_dbg_p3p, vha, 0xb084,
6519                             "Restarted NIC firmware successfully.\n");
6520                 ha->flags.nic_core_reset_hdlr_active = 0;
6521         }
6522
6523         return rval;
6524
6525 }
6526
6527 /*
6528 * qla2x00_quiesce_io
6529 * Description: This function will block the new I/Os
6530 *              Its not aborting any I/Os as context
6531 *              is not destroyed during quiescence
6532 * Arguments: scsi_qla_host_t
6533 * return   : void
6534 */
6535 void
6536 qla2x00_quiesce_io(scsi_qla_host_t *vha)
6537 {
6538         struct qla_hw_data *ha = vha->hw;
6539         struct scsi_qla_host *vp;
6540
6541         ql_dbg(ql_dbg_dpc, vha, 0x401d,
6542             "Quiescing I/O - ha=%p.\n", ha);
6543
6544         atomic_set(&ha->loop_down_timer, LOOP_DOWN_TIME);
6545         if (atomic_read(&vha->loop_state) != LOOP_DOWN) {
6546                 atomic_set(&vha->loop_state, LOOP_DOWN);
6547                 qla2x00_mark_all_devices_lost(vha, 0);
6548                 list_for_each_entry(vp, &ha->vp_list, list)
6549                         qla2x00_mark_all_devices_lost(vp, 0);
6550         } else {
6551                 if (!atomic_read(&vha->loop_down_timer))
6552                         atomic_set(&vha->loop_down_timer,
6553                                         LOOP_DOWN_TIME);
6554         }
6555         /* Wait for pending cmds to complete */
6556         qla2x00_eh_wait_for_pending_commands(vha, 0, 0, WAIT_HOST);
6557 }
6558
6559 void
6560 qla2x00_abort_isp_cleanup(scsi_qla_host_t *vha)
6561 {
6562         struct qla_hw_data *ha = vha->hw;
6563         struct scsi_qla_host *vp;
6564         unsigned long flags;
6565         fc_port_t *fcport;
6566         u16 i;
6567
6568         /* For ISP82XX, driver waits for completion of the commands.
6569          * online flag should be set.
6570          */
6571         if (!(IS_P3P_TYPE(ha)))
6572                 vha->flags.online = 0;
6573         ha->flags.chip_reset_done = 0;
6574         clear_bit(ISP_ABORT_NEEDED, &vha->dpc_flags);
6575         vha->qla_stats.total_isp_aborts++;
6576
6577         ql_log(ql_log_info, vha, 0x00af,
6578             "Performing ISP error recovery - ha=%p.\n", ha);
6579
6580         ha->flags.purge_mbox = 1;
6581         /* For ISP82XX, reset_chip is just disabling interrupts.
6582          * Driver waits for the completion of the commands.
6583          * the interrupts need to be enabled.
6584          */
6585         if (!(IS_P3P_TYPE(ha)))
6586                 ha->isp_ops->reset_chip(vha);
6587
6588         ha->link_data_rate = PORT_SPEED_UNKNOWN;
6589         SAVE_TOPO(ha);
6590         ha->flags.rida_fmt2 = 0;
6591         ha->flags.n2n_ae = 0;
6592         ha->flags.lip_ae = 0;
6593         ha->current_topology = 0;
6594         ha->flags.fw_started = 0;
6595         ha->flags.fw_init_done = 0;
6596         ha->chip_reset++;
6597         ha->base_qpair->chip_reset = ha->chip_reset;
6598         for (i = 0; i < ha->max_qpairs; i++) {
6599                 if (ha->queue_pair_map[i])
6600                         ha->queue_pair_map[i]->chip_reset =
6601                                 ha->base_qpair->chip_reset;
6602         }
6603
6604         /* purge MBox commands */
6605         if (atomic_read(&ha->num_pend_mbx_stage3)) {
6606                 clear_bit(MBX_INTR_WAIT, &ha->mbx_cmd_flags);
6607                 complete(&ha->mbx_intr_comp);
6608         }
6609
6610         i = 0;
6611         while (atomic_read(&ha->num_pend_mbx_stage3) ||
6612             atomic_read(&ha->num_pend_mbx_stage2) ||
6613             atomic_read(&ha->num_pend_mbx_stage1)) {
6614                 msleep(20);
6615                 i++;
6616                 if (i > 50)
6617                         break;
6618         }
6619         ha->flags.purge_mbox = 0;
6620
6621         atomic_set(&vha->loop_down_timer, LOOP_DOWN_TIME);
6622         if (atomic_read(&vha->loop_state) != LOOP_DOWN) {
6623                 atomic_set(&vha->loop_state, LOOP_DOWN);
6624                 qla2x00_mark_all_devices_lost(vha, 0);
6625
6626                 spin_lock_irqsave(&ha->vport_slock, flags);
6627                 list_for_each_entry(vp, &ha->vp_list, list) {
6628                         atomic_inc(&vp->vref_count);
6629                         spin_unlock_irqrestore(&ha->vport_slock, flags);
6630
6631                         qla2x00_mark_all_devices_lost(vp, 0);
6632
6633                         spin_lock_irqsave(&ha->vport_slock, flags);
6634                         atomic_dec(&vp->vref_count);
6635                 }
6636                 spin_unlock_irqrestore(&ha->vport_slock, flags);
6637         } else {
6638                 if (!atomic_read(&vha->loop_down_timer))
6639                         atomic_set(&vha->loop_down_timer,
6640                             LOOP_DOWN_TIME);
6641         }
6642
6643         /* Clear all async request states across all VPs. */
6644         list_for_each_entry(fcport, &vha->vp_fcports, list)
6645                 fcport->flags &= ~(FCF_LOGIN_NEEDED | FCF_ASYNC_SENT);
6646         spin_lock_irqsave(&ha->vport_slock, flags);
6647         list_for_each_entry(vp, &ha->vp_list, list) {
6648                 atomic_inc(&vp->vref_count);
6649                 spin_unlock_irqrestore(&ha->vport_slock, flags);
6650
6651                 list_for_each_entry(fcport, &vp->vp_fcports, list)
6652                         fcport->flags &= ~(FCF_LOGIN_NEEDED | FCF_ASYNC_SENT);
6653
6654                 spin_lock_irqsave(&ha->vport_slock, flags);
6655                 atomic_dec(&vp->vref_count);
6656         }
6657         spin_unlock_irqrestore(&ha->vport_slock, flags);
6658
6659         if (!ha->flags.eeh_busy) {
6660                 /* Make sure for ISP 82XX IO DMA is complete */
6661                 if (IS_P3P_TYPE(ha)) {
6662                         qla82xx_chip_reset_cleanup(vha);
6663                         ql_log(ql_log_info, vha, 0x00b4,
6664                             "Done chip reset cleanup.\n");
6665
6666                         /* Done waiting for pending commands.
6667                          * Reset the online flag.
6668                          */
6669                         vha->flags.online = 0;
6670                 }
6671
6672                 /* Requeue all commands in outstanding command list. */
6673                 qla2x00_abort_all_cmds(vha, DID_RESET << 16);
6674         }
6675         /* memory barrier */
6676         wmb();
6677 }
6678
6679 /*
6680 *  qla2x00_abort_isp
6681 *      Resets ISP and aborts all outstanding commands.
6682 *
6683 * Input:
6684 *      ha           = adapter block pointer.
6685 *
6686 * Returns:
6687 *      0 = success
6688 */
6689 int
6690 qla2x00_abort_isp(scsi_qla_host_t *vha)
6691 {
6692         int rval;
6693         uint8_t        status = 0;
6694         struct qla_hw_data *ha = vha->hw;
6695         struct scsi_qla_host *vp;
6696         struct req_que *req = ha->req_q_map[0];
6697         unsigned long flags;
6698
6699         if (vha->flags.online) {
6700                 qla2x00_abort_isp_cleanup(vha);
6701
6702                 if (IS_QLA8031(ha)) {
6703                         ql_dbg(ql_dbg_p3p, vha, 0xb05c,
6704                             "Clearing fcoe driver presence.\n");
6705                         if (qla83xx_clear_drv_presence(vha) != QLA_SUCCESS)
6706                                 ql_dbg(ql_dbg_p3p, vha, 0xb073,
6707                                     "Error while clearing DRV-Presence.\n");
6708                 }
6709
6710                 if (unlikely(pci_channel_offline(ha->pdev) &&
6711                     ha->flags.pci_channel_io_perm_failure)) {
6712                         clear_bit(ISP_ABORT_RETRY, &vha->dpc_flags);
6713                         status = 0;
6714                         return status;
6715                 }
6716
6717                 switch (vha->qlini_mode) {
6718                 case QLA2XXX_INI_MODE_DISABLED:
6719                         if (!qla_tgt_mode_enabled(vha))
6720                                 return 0;
6721                         break;
6722                 case QLA2XXX_INI_MODE_DUAL:
6723                         if (!qla_dual_mode_enabled(vha))
6724                                 return 0;
6725                         break;
6726                 case QLA2XXX_INI_MODE_ENABLED:
6727                 default:
6728                         break;
6729                 }
6730
6731                 ha->isp_ops->get_flash_version(vha, req->ring);
6732
6733                 ha->isp_ops->nvram_config(vha);
6734
6735                 if (!qla2x00_restart_isp(vha)) {
6736                         clear_bit(RESET_MARKER_NEEDED, &vha->dpc_flags);
6737
6738                         if (!atomic_read(&vha->loop_down_timer)) {
6739                                 /*
6740                                  * Issue marker command only when we are going
6741                                  * to start the I/O .
6742                                  */
6743                                 vha->marker_needed = 1;
6744                         }
6745
6746                         vha->flags.online = 1;
6747
6748                         ha->isp_ops->enable_intrs(ha);
6749
6750                         ha->isp_abort_cnt = 0;
6751                         clear_bit(ISP_ABORT_RETRY, &vha->dpc_flags);
6752
6753                         if (IS_QLA81XX(ha) || IS_QLA8031(ha))
6754                                 qla2x00_get_fw_version(vha);
6755                         if (ha->fce) {
6756                                 ha->flags.fce_enabled = 1;
6757                                 memset(ha->fce, 0,
6758                                     fce_calc_size(ha->fce_bufs));
6759                                 rval = qla2x00_enable_fce_trace(vha,
6760                                     ha->fce_dma, ha->fce_bufs, ha->fce_mb,
6761                                     &ha->fce_bufs);
6762                                 if (rval) {
6763                                         ql_log(ql_log_warn, vha, 0x8033,
6764                                             "Unable to reinitialize FCE "
6765                                             "(%d).\n", rval);
6766                                         ha->flags.fce_enabled = 0;
6767                                 }
6768                         }
6769
6770                         if (ha->eft) {
6771                                 memset(ha->eft, 0, EFT_SIZE);
6772                                 rval = qla2x00_enable_eft_trace(vha,
6773                                     ha->eft_dma, EFT_NUM_BUFFERS);
6774                                 if (rval) {
6775                                         ql_log(ql_log_warn, vha, 0x8034,
6776                                             "Unable to reinitialize EFT "
6777                                             "(%d).\n", rval);
6778                                 }
6779                         }
6780                 } else {        /* failed the ISP abort */
6781                         vha->flags.online = 1;
6782                         if (test_bit(ISP_ABORT_RETRY, &vha->dpc_flags)) {
6783                                 if (ha->isp_abort_cnt == 0) {
6784                                         ql_log(ql_log_fatal, vha, 0x8035,
6785                                             "ISP error recover failed - "
6786                                             "board disabled.\n");
6787                                         /*
6788                                          * The next call disables the board
6789                                          * completely.
6790                                          */
6791                                         qla2x00_abort_isp_cleanup(vha);
6792                                         vha->flags.online = 0;
6793                                         clear_bit(ISP_ABORT_RETRY,
6794                                             &vha->dpc_flags);
6795                                         status = 0;
6796                                 } else { /* schedule another ISP abort */
6797                                         ha->isp_abort_cnt--;
6798                                         ql_dbg(ql_dbg_taskm, vha, 0x8020,
6799                                             "ISP abort - retry remaining %d.\n",
6800                                             ha->isp_abort_cnt);
6801                                         status = 1;
6802                                 }
6803                         } else {
6804                                 ha->isp_abort_cnt = MAX_RETRIES_OF_ISP_ABORT;
6805                                 ql_dbg(ql_dbg_taskm, vha, 0x8021,
6806                                     "ISP error recovery - retrying (%d) "
6807                                     "more times.\n", ha->isp_abort_cnt);
6808                                 set_bit(ISP_ABORT_RETRY, &vha->dpc_flags);
6809                                 status = 1;
6810                         }
6811                 }
6812
6813         }
6814
6815         if (!status) {
6816                 ql_dbg(ql_dbg_taskm, vha, 0x8022, "%s succeeded.\n", __func__);
6817                 qla2x00_configure_hba(vha);
6818                 spin_lock_irqsave(&ha->vport_slock, flags);
6819                 list_for_each_entry(vp, &ha->vp_list, list) {
6820                         if (vp->vp_idx) {
6821                                 atomic_inc(&vp->vref_count);
6822                                 spin_unlock_irqrestore(&ha->vport_slock, flags);
6823
6824                                 qla2x00_vp_abort_isp(vp);
6825
6826                                 spin_lock_irqsave(&ha->vport_slock, flags);
6827                                 atomic_dec(&vp->vref_count);
6828                         }
6829                 }
6830                 spin_unlock_irqrestore(&ha->vport_slock, flags);
6831
6832                 if (IS_QLA8031(ha)) {
6833                         ql_dbg(ql_dbg_p3p, vha, 0xb05d,
6834                             "Setting back fcoe driver presence.\n");
6835                         if (qla83xx_set_drv_presence(vha) != QLA_SUCCESS)
6836                                 ql_dbg(ql_dbg_p3p, vha, 0xb074,
6837                                     "Error while setting DRV-Presence.\n");
6838                 }
6839         } else {
6840                 ql_log(ql_log_warn, vha, 0x8023, "%s **** FAILED ****.\n",
6841                        __func__);
6842         }
6843
6844         return(status);
6845 }
6846
6847 /*
6848 *  qla2x00_restart_isp
6849 *      restarts the ISP after a reset
6850 *
6851 * Input:
6852 *      ha = adapter block pointer.
6853 *
6854 * Returns:
6855 *      0 = success
6856 */
6857 static int
6858 qla2x00_restart_isp(scsi_qla_host_t *vha)
6859 {
6860         int status = 0;
6861         struct qla_hw_data *ha = vha->hw;
6862         struct req_que *req = ha->req_q_map[0];
6863         struct rsp_que *rsp = ha->rsp_q_map[0];
6864
6865         /* If firmware needs to be loaded */
6866         if (qla2x00_isp_firmware(vha)) {
6867                 vha->flags.online = 0;
6868                 status = ha->isp_ops->chip_diag(vha);
6869                 if (!status)
6870                         status = qla2x00_setup_chip(vha);
6871         }
6872
6873         if (!status && !(status = qla2x00_init_rings(vha))) {
6874                 clear_bit(RESET_MARKER_NEEDED, &vha->dpc_flags);
6875                 ha->flags.chip_reset_done = 1;
6876
6877                 /* Initialize the queues in use */
6878                 qla25xx_init_queues(ha);
6879
6880                 status = qla2x00_fw_ready(vha);
6881                 if (!status) {
6882                         /* Issue a marker after FW becomes ready. */
6883                         qla2x00_marker(vha, req, rsp, 0, 0, MK_SYNC_ALL);
6884                         set_bit(LOOP_RESYNC_NEEDED, &vha->dpc_flags);
6885                 }
6886
6887                 /* if no cable then assume it's good */
6888                 if ((vha->device_flags & DFLG_NO_CABLE))
6889                         status = 0;
6890         }
6891         return (status);
6892 }
6893
6894 static int
6895 qla25xx_init_queues(struct qla_hw_data *ha)
6896 {
6897         struct rsp_que *rsp = NULL;
6898         struct req_que *req = NULL;
6899         struct scsi_qla_host *base_vha = pci_get_drvdata(ha->pdev);
6900         int ret = -1;
6901         int i;
6902
6903         for (i = 1; i < ha->max_rsp_queues; i++) {
6904                 rsp = ha->rsp_q_map[i];
6905                 if (rsp && test_bit(i, ha->rsp_qid_map)) {
6906                         rsp->options &= ~BIT_0;
6907                         ret = qla25xx_init_rsp_que(base_vha, rsp);
6908                         if (ret != QLA_SUCCESS)
6909                                 ql_dbg(ql_dbg_init, base_vha, 0x00ff,
6910                                     "%s Rsp que: %d init failed.\n",
6911                                     __func__, rsp->id);
6912                         else
6913                                 ql_dbg(ql_dbg_init, base_vha, 0x0100,
6914                                     "%s Rsp que: %d inited.\n",
6915                                     __func__, rsp->id);
6916                 }
6917         }
6918         for (i = 1; i < ha->max_req_queues; i++) {
6919                 req = ha->req_q_map[i];
6920                 if (req && test_bit(i, ha->req_qid_map)) {
6921                         /* Clear outstanding commands array. */
6922                         req->options &= ~BIT_0;
6923                         ret = qla25xx_init_req_que(base_vha, req);
6924                         if (ret != QLA_SUCCESS)
6925                                 ql_dbg(ql_dbg_init, base_vha, 0x0101,
6926                                     "%s Req que: %d init failed.\n",
6927                                     __func__, req->id);
6928                         else
6929                                 ql_dbg(ql_dbg_init, base_vha, 0x0102,
6930                                     "%s Req que: %d inited.\n",
6931                                     __func__, req->id);
6932                 }
6933         }
6934         return ret;
6935 }
6936
6937 /*
6938 * qla2x00_reset_adapter
6939 *      Reset adapter.
6940 *
6941 * Input:
6942 *      ha = adapter block pointer.
6943 */
6944 void
6945 qla2x00_reset_adapter(scsi_qla_host_t *vha)
6946 {
6947         unsigned long flags = 0;
6948         struct qla_hw_data *ha = vha->hw;
6949         struct device_reg_2xxx __iomem *reg = &ha->iobase->isp;
6950
6951         vha->flags.online = 0;
6952         ha->isp_ops->disable_intrs(ha);
6953
6954         spin_lock_irqsave(&ha->hardware_lock, flags);
6955         WRT_REG_WORD(&reg->hccr, HCCR_RESET_RISC);
6956         RD_REG_WORD(&reg->hccr);                        /* PCI Posting. */
6957         WRT_REG_WORD(&reg->hccr, HCCR_RELEASE_RISC);
6958         RD_REG_WORD(&reg->hccr);                        /* PCI Posting. */
6959         spin_unlock_irqrestore(&ha->hardware_lock, flags);
6960 }
6961
6962 void
6963 qla24xx_reset_adapter(scsi_qla_host_t *vha)
6964 {
6965         unsigned long flags = 0;
6966         struct qla_hw_data *ha = vha->hw;
6967         struct device_reg_24xx __iomem *reg = &ha->iobase->isp24;
6968
6969         if (IS_P3P_TYPE(ha))
6970                 return;
6971
6972         vha->flags.online = 0;
6973         ha->isp_ops->disable_intrs(ha);
6974
6975         spin_lock_irqsave(&ha->hardware_lock, flags);
6976         WRT_REG_DWORD(&reg->hccr, HCCRX_SET_RISC_RESET);
6977         RD_REG_DWORD(&reg->hccr);
6978         WRT_REG_DWORD(&reg->hccr, HCCRX_REL_RISC_PAUSE);
6979         RD_REG_DWORD(&reg->hccr);
6980         spin_unlock_irqrestore(&ha->hardware_lock, flags);
6981
6982         if (IS_NOPOLLING_TYPE(ha))
6983                 ha->isp_ops->enable_intrs(ha);
6984 }
6985
6986 /* On sparc systems, obtain port and node WWN from firmware
6987  * properties.
6988  */
6989 static void qla24xx_nvram_wwn_from_ofw(scsi_qla_host_t *vha,
6990         struct nvram_24xx *nv)
6991 {
6992 #ifdef CONFIG_SPARC
6993         struct qla_hw_data *ha = vha->hw;
6994         struct pci_dev *pdev = ha->pdev;
6995         struct device_node *dp = pci_device_to_OF_node(pdev);
6996         const u8 *val;
6997         int len;
6998
6999         val = of_get_property(dp, "port-wwn", &len);
7000         if (val && len >= WWN_SIZE)
7001                 memcpy(nv->port_name, val, WWN_SIZE);
7002
7003         val = of_get_property(dp, "node-wwn", &len);
7004         if (val && len >= WWN_SIZE)
7005                 memcpy(nv->node_name, val, WWN_SIZE);
7006 #endif
7007 }
7008
7009 int
7010 qla24xx_nvram_config(scsi_qla_host_t *vha)
7011 {
7012         int   rval;
7013         struct init_cb_24xx *icb;
7014         struct nvram_24xx *nv;
7015         uint32_t *dptr;
7016         uint8_t  *dptr1, *dptr2;
7017         uint32_t chksum;
7018         uint16_t cnt;
7019         struct qla_hw_data *ha = vha->hw;
7020
7021         rval = QLA_SUCCESS;
7022         icb = (struct init_cb_24xx *)ha->init_cb;
7023         nv = ha->nvram;
7024
7025         /* Determine NVRAM starting address. */
7026         if (ha->port_no == 0) {
7027                 ha->nvram_base = FA_NVRAM_FUNC0_ADDR;
7028                 ha->vpd_base = FA_NVRAM_VPD0_ADDR;
7029         } else {
7030                 ha->nvram_base = FA_NVRAM_FUNC1_ADDR;
7031                 ha->vpd_base = FA_NVRAM_VPD1_ADDR;
7032         }
7033
7034         ha->nvram_size = sizeof(struct nvram_24xx);
7035         ha->vpd_size = FA_NVRAM_VPD_SIZE;
7036
7037         /* Get VPD data into cache */
7038         ha->vpd = ha->nvram + VPD_OFFSET;
7039         ha->isp_ops->read_nvram(vha, (uint8_t *)ha->vpd,
7040             ha->nvram_base - FA_NVRAM_FUNC0_ADDR, FA_NVRAM_VPD_SIZE * 4);
7041
7042         /* Get NVRAM data into cache and calculate checksum. */
7043         dptr = (uint32_t *)nv;
7044         ha->isp_ops->read_nvram(vha, (uint8_t *)dptr, ha->nvram_base,
7045             ha->nvram_size);
7046         for (cnt = 0, chksum = 0; cnt < ha->nvram_size >> 2; cnt++, dptr++)
7047                 chksum += le32_to_cpu(*dptr);
7048
7049         ql_dbg(ql_dbg_init + ql_dbg_buffer, vha, 0x006a,
7050             "Contents of NVRAM\n");
7051         ql_dump_buffer(ql_dbg_init + ql_dbg_buffer, vha, 0x010d,
7052             (uint8_t *)nv, ha->nvram_size);
7053
7054         /* Bad NVRAM data, set defaults parameters. */
7055         if (chksum || nv->id[0] != 'I' || nv->id[1] != 'S' || nv->id[2] != 'P'
7056             || nv->id[3] != ' ' ||
7057             nv->nvram_version < cpu_to_le16(ICB_VERSION)) {
7058                 /* Reset NVRAM data. */
7059                 ql_log(ql_log_warn, vha, 0x006b,
7060                     "Inconsistent NVRAM detected: checksum=0x%x id=%c "
7061                     "version=0x%x.\n", chksum, nv->id[0], nv->nvram_version);
7062                 ql_log(ql_log_warn, vha, 0x006c,
7063                     "Falling back to functioning (yet invalid -- WWPN) "
7064                     "defaults.\n");
7065
7066                 /*
7067                  * Set default initialization control block.
7068                  */
7069                 memset(nv, 0, ha->nvram_size);
7070                 nv->nvram_version = cpu_to_le16(ICB_VERSION);
7071                 nv->version = cpu_to_le16(ICB_VERSION);
7072                 nv->frame_payload_size = 2048;
7073                 nv->execution_throttle = cpu_to_le16(0xFFFF);
7074                 nv->exchange_count = cpu_to_le16(0);
7075                 nv->hard_address = cpu_to_le16(124);
7076                 nv->port_name[0] = 0x21;
7077                 nv->port_name[1] = 0x00 + ha->port_no + 1;
7078                 nv->port_name[2] = 0x00;
7079                 nv->port_name[3] = 0xe0;
7080                 nv->port_name[4] = 0x8b;
7081                 nv->port_name[5] = 0x1c;
7082                 nv->port_name[6] = 0x55;
7083                 nv->port_name[7] = 0x86;
7084                 nv->node_name[0] = 0x20;
7085                 nv->node_name[1] = 0x00;
7086                 nv->node_name[2] = 0x00;
7087                 nv->node_name[3] = 0xe0;
7088                 nv->node_name[4] = 0x8b;
7089                 nv->node_name[5] = 0x1c;
7090                 nv->node_name[6] = 0x55;
7091                 nv->node_name[7] = 0x86;
7092                 qla24xx_nvram_wwn_from_ofw(vha, nv);
7093                 nv->login_retry_count = cpu_to_le16(8);
7094                 nv->interrupt_delay_timer = cpu_to_le16(0);
7095                 nv->login_timeout = cpu_to_le16(0);
7096                 nv->firmware_options_1 =
7097                     cpu_to_le32(BIT_14|BIT_13|BIT_2|BIT_1);
7098                 nv->firmware_options_2 = cpu_to_le32(2 << 4);
7099                 nv->firmware_options_2 |= cpu_to_le32(BIT_12);
7100                 nv->firmware_options_3 = cpu_to_le32(2 << 13);
7101                 nv->host_p = cpu_to_le32(BIT_11|BIT_10);
7102                 nv->efi_parameters = cpu_to_le32(0);
7103                 nv->reset_delay = 5;
7104                 nv->max_luns_per_target = cpu_to_le16(128);
7105                 nv->port_down_retry_count = cpu_to_le16(30);
7106                 nv->link_down_timeout = cpu_to_le16(30);
7107
7108                 rval = 1;
7109         }
7110
7111         if (qla_tgt_mode_enabled(vha)) {
7112                 /* Don't enable full login after initial LIP */
7113                 nv->firmware_options_1 &= cpu_to_le32(~BIT_13);
7114                 /* Don't enable LIP full login for initiator */
7115                 nv->host_p &= cpu_to_le32(~BIT_10);
7116         }
7117
7118         qlt_24xx_config_nvram_stage1(vha, nv);
7119
7120         /* Reset Initialization control block */
7121         memset(icb, 0, ha->init_cb_size);
7122
7123         /* Copy 1st segment. */
7124         dptr1 = (uint8_t *)icb;
7125         dptr2 = (uint8_t *)&nv->version;
7126         cnt = (uint8_t *)&icb->response_q_inpointer - (uint8_t *)&icb->version;
7127         while (cnt--)
7128                 *dptr1++ = *dptr2++;
7129
7130         icb->login_retry_count = nv->login_retry_count;
7131         icb->link_down_on_nos = nv->link_down_on_nos;
7132
7133         /* Copy 2nd segment. */
7134         dptr1 = (uint8_t *)&icb->interrupt_delay_timer;
7135         dptr2 = (uint8_t *)&nv->interrupt_delay_timer;
7136         cnt = (uint8_t *)&icb->reserved_3 -
7137             (uint8_t *)&icb->interrupt_delay_timer;
7138         while (cnt--)
7139                 *dptr1++ = *dptr2++;
7140         ha->frame_payload_size = le16_to_cpu(icb->frame_payload_size);
7141         /*
7142          * Setup driver NVRAM options.
7143          */
7144         qla2x00_set_model_info(vha, nv->model_name, sizeof(nv->model_name),
7145             "QLA2462");
7146
7147         qlt_24xx_config_nvram_stage2(vha, icb);
7148
7149         if (nv->host_p & cpu_to_le32(BIT_15)) {
7150                 /* Use alternate WWN? */
7151                 memcpy(icb->node_name, nv->alternate_node_name, WWN_SIZE);
7152                 memcpy(icb->port_name, nv->alternate_port_name, WWN_SIZE);
7153         }
7154
7155         /* Prepare nodename */
7156         if ((icb->firmware_options_1 & cpu_to_le32(BIT_14)) == 0) {
7157                 /*
7158                  * Firmware will apply the following mask if the nodename was
7159                  * not provided.
7160                  */
7161                 memcpy(icb->node_name, icb->port_name, WWN_SIZE);
7162                 icb->node_name[0] &= 0xF0;
7163         }
7164
7165         /* Set host adapter parameters. */
7166         ha->flags.disable_risc_code_load = 0;
7167         ha->flags.enable_lip_reset = 0;
7168         ha->flags.enable_lip_full_login =
7169             le32_to_cpu(nv->host_p) & BIT_10 ? 1: 0;
7170         ha->flags.enable_target_reset =
7171             le32_to_cpu(nv->host_p) & BIT_11 ? 1: 0;
7172         ha->flags.enable_led_scheme = 0;
7173         ha->flags.disable_serdes = le32_to_cpu(nv->host_p) & BIT_5 ? 1: 0;
7174
7175         ha->operating_mode = (le32_to_cpu(icb->firmware_options_2) &
7176             (BIT_6 | BIT_5 | BIT_4)) >> 4;
7177
7178         memcpy(ha->fw_seriallink_options24, nv->seriallink_options,
7179             sizeof(ha->fw_seriallink_options24));
7180
7181         /* save HBA serial number */
7182         ha->serial0 = icb->port_name[5];
7183         ha->serial1 = icb->port_name[6];
7184         ha->serial2 = icb->port_name[7];
7185         memcpy(vha->node_name, icb->node_name, WWN_SIZE);
7186         memcpy(vha->port_name, icb->port_name, WWN_SIZE);
7187
7188         icb->execution_throttle = cpu_to_le16(0xFFFF);
7189
7190         ha->retry_count = le16_to_cpu(nv->login_retry_count);
7191
7192         /* Set minimum login_timeout to 4 seconds. */
7193         if (le16_to_cpu(nv->login_timeout) < ql2xlogintimeout)
7194                 nv->login_timeout = cpu_to_le16(ql2xlogintimeout);
7195         if (le16_to_cpu(nv->login_timeout) < 4)
7196                 nv->login_timeout = cpu_to_le16(4);
7197         ha->login_timeout = le16_to_cpu(nv->login_timeout);
7198
7199         /* Set minimum RATOV to 100 tenths of a second. */
7200         ha->r_a_tov = 100;
7201
7202         ha->loop_reset_delay = nv->reset_delay;
7203
7204         /* Link Down Timeout = 0:
7205          *
7206          *      When Port Down timer expires we will start returning
7207          *      I/O's to OS with "DID_NO_CONNECT".
7208          *
7209          * Link Down Timeout != 0:
7210          *
7211          *       The driver waits for the link to come up after link down
7212          *       before returning I/Os to OS with "DID_NO_CONNECT".
7213          */
7214         if (le16_to_cpu(nv->link_down_timeout) == 0) {
7215                 ha->loop_down_abort_time =
7216                     (LOOP_DOWN_TIME - LOOP_DOWN_TIMEOUT);
7217         } else {
7218                 ha->link_down_timeout = le16_to_cpu(nv->link_down_timeout);
7219                 ha->loop_down_abort_time =
7220                     (LOOP_DOWN_TIME - ha->link_down_timeout);
7221         }
7222
7223         /* Need enough time to try and get the port back. */
7224         ha->port_down_retry_count = le16_to_cpu(nv->port_down_retry_count);
7225         if (qlport_down_retry)
7226                 ha->port_down_retry_count = qlport_down_retry;
7227
7228         /* Set login_retry_count */
7229         ha->login_retry_count  = le16_to_cpu(nv->login_retry_count);
7230         if (ha->port_down_retry_count ==
7231             le16_to_cpu(nv->port_down_retry_count) &&
7232             ha->port_down_retry_count > 3)
7233                 ha->login_retry_count = ha->port_down_retry_count;
7234         else if (ha->port_down_retry_count > (int)ha->login_retry_count)
7235                 ha->login_retry_count = ha->port_down_retry_count;
7236         if (ql2xloginretrycount)
7237                 ha->login_retry_count = ql2xloginretrycount;
7238
7239         /* N2N: driver will initiate Login instead of FW */
7240         icb->firmware_options_3 |= BIT_8;
7241
7242         /* Enable ZIO. */
7243         if (!vha->flags.init_done) {
7244                 ha->zio_mode = le32_to_cpu(icb->firmware_options_2) &
7245                     (BIT_3 | BIT_2 | BIT_1 | BIT_0);
7246                 ha->zio_timer = le16_to_cpu(icb->interrupt_delay_timer) ?
7247                     le16_to_cpu(icb->interrupt_delay_timer): 2;
7248         }
7249         icb->firmware_options_2 &= cpu_to_le32(
7250             ~(BIT_3 | BIT_2 | BIT_1 | BIT_0));
7251         if (ha->zio_mode != QLA_ZIO_DISABLED) {
7252                 ha->zio_mode = QLA_ZIO_MODE_6;
7253
7254                 ql_log(ql_log_info, vha, 0x006f,
7255                     "ZIO mode %d enabled; timer delay (%d us).\n",
7256                     ha->zio_mode, ha->zio_timer * 100);
7257
7258                 icb->firmware_options_2 |= cpu_to_le32(
7259                     (uint32_t)ha->zio_mode);
7260                 icb->interrupt_delay_timer = cpu_to_le16(ha->zio_timer);
7261         }
7262
7263         if (rval) {
7264                 ql_log(ql_log_warn, vha, 0x0070,
7265                     "NVRAM configuration failed.\n");
7266         }
7267         return (rval);
7268 }
7269
7270 uint8_t qla27xx_find_valid_image(struct scsi_qla_host *vha)
7271 {
7272         struct qla27xx_image_status pri_image_status, sec_image_status;
7273         uint8_t valid_pri_image, valid_sec_image;
7274         uint32_t *wptr;
7275         uint32_t cnt, chksum, size;
7276         struct qla_hw_data *ha = vha->hw;
7277
7278         valid_pri_image = valid_sec_image = 1;
7279         ha->active_image = 0;
7280         size = sizeof(struct qla27xx_image_status) / sizeof(uint32_t);
7281
7282         if (!ha->flt_region_img_status_pri) {
7283                 valid_pri_image = 0;
7284                 goto check_sec_image;
7285         }
7286
7287         qla24xx_read_flash_data(vha, (uint32_t *)(&pri_image_status),
7288             ha->flt_region_img_status_pri, size);
7289
7290         if (pri_image_status.signature != QLA27XX_IMG_STATUS_SIGN) {
7291                 ql_dbg(ql_dbg_init, vha, 0x018b,
7292                     "Primary image signature (0x%x) not valid\n",
7293                     pri_image_status.signature);
7294                 valid_pri_image = 0;
7295                 goto check_sec_image;
7296         }
7297
7298         wptr = (uint32_t *)(&pri_image_status);
7299         cnt = size;
7300
7301         for (chksum = 0; cnt--; wptr++)
7302                 chksum += le32_to_cpu(*wptr);
7303
7304         if (chksum) {
7305                 ql_dbg(ql_dbg_init, vha, 0x018c,
7306                     "Checksum validation failed for primary image (0x%x)\n",
7307                     chksum);
7308                 valid_pri_image = 0;
7309         }
7310
7311 check_sec_image:
7312         if (!ha->flt_region_img_status_sec) {
7313                 valid_sec_image = 0;
7314                 goto check_valid_image;
7315         }
7316
7317         qla24xx_read_flash_data(vha, (uint32_t *)(&sec_image_status),
7318             ha->flt_region_img_status_sec, size);
7319
7320         if (sec_image_status.signature != QLA27XX_IMG_STATUS_SIGN) {
7321                 ql_dbg(ql_dbg_init, vha, 0x018d,
7322                     "Secondary image signature(0x%x) not valid\n",
7323                     sec_image_status.signature);
7324                 valid_sec_image = 0;
7325                 goto check_valid_image;
7326         }
7327
7328         wptr = (uint32_t *)(&sec_image_status);
7329         cnt = size;
7330         for (chksum = 0; cnt--; wptr++)
7331                 chksum += le32_to_cpu(*wptr);
7332         if (chksum) {
7333                 ql_dbg(ql_dbg_init, vha, 0x018e,
7334                     "Checksum validation failed for secondary image (0x%x)\n",
7335                     chksum);
7336                 valid_sec_image = 0;
7337         }
7338
7339 check_valid_image:
7340         if (valid_pri_image && (pri_image_status.image_status_mask & 0x1))
7341                 ha->active_image = QLA27XX_PRIMARY_IMAGE;
7342         if (valid_sec_image && (sec_image_status.image_status_mask & 0x1)) {
7343                 if (!ha->active_image ||
7344                     pri_image_status.generation_number <
7345                     sec_image_status.generation_number)
7346                         ha->active_image = QLA27XX_SECONDARY_IMAGE;
7347         }
7348
7349         ql_dbg(ql_dbg_init + ql_dbg_verbose, vha, 0x018f, "%s image\n",
7350             ha->active_image == 0 ? "default bootld and fw" :
7351             ha->active_image == 1 ? "primary" :
7352             ha->active_image == 2 ? "secondary" :
7353             "Invalid");
7354
7355         return ha->active_image;
7356 }
7357
7358 static int
7359 qla24xx_load_risc_flash(scsi_qla_host_t *vha, uint32_t *srisc_addr,
7360     uint32_t faddr)
7361 {
7362         int     rval = QLA_SUCCESS;
7363         int     segments, fragment;
7364         uint32_t *dcode, dlen;
7365         uint32_t risc_addr;
7366         uint32_t risc_size;
7367         uint32_t i;
7368         struct qla_hw_data *ha = vha->hw;
7369         struct req_que *req = ha->req_q_map[0];
7370
7371         ql_dbg(ql_dbg_init, vha, 0x008b,
7372             "FW: Loading firmware from flash (%x).\n", faddr);
7373
7374         rval = QLA_SUCCESS;
7375
7376         segments = FA_RISC_CODE_SEGMENTS;
7377         dcode = (uint32_t *)req->ring;
7378         *srisc_addr = 0;
7379
7380         if (IS_QLA27XX(ha) &&
7381             qla27xx_find_valid_image(vha) == QLA27XX_SECONDARY_IMAGE)
7382                 faddr = ha->flt_region_fw_sec;
7383
7384         /* Validate firmware image by checking version. */
7385         qla24xx_read_flash_data(vha, dcode, faddr + 4, 4);
7386         for (i = 0; i < 4; i++)
7387                 dcode[i] = be32_to_cpu(dcode[i]);
7388         if ((dcode[0] == 0xffffffff && dcode[1] == 0xffffffff &&
7389             dcode[2] == 0xffffffff && dcode[3] == 0xffffffff) ||
7390             (dcode[0] == 0 && dcode[1] == 0 && dcode[2] == 0 &&
7391                 dcode[3] == 0)) {
7392                 ql_log(ql_log_fatal, vha, 0x008c,
7393                     "Unable to verify the integrity of flash firmware "
7394                     "image.\n");
7395                 ql_log(ql_log_fatal, vha, 0x008d,
7396                     "Firmware data: %08x %08x %08x %08x.\n",
7397                     dcode[0], dcode[1], dcode[2], dcode[3]);
7398
7399                 return QLA_FUNCTION_FAILED;
7400         }
7401
7402         while (segments && rval == QLA_SUCCESS) {
7403                 /* Read segment's load information. */
7404                 qla24xx_read_flash_data(vha, dcode, faddr, 4);
7405
7406                 risc_addr = be32_to_cpu(dcode[2]);
7407                 *srisc_addr = *srisc_addr == 0 ? risc_addr : *srisc_addr;
7408                 risc_size = be32_to_cpu(dcode[3]);
7409
7410                 fragment = 0;
7411                 while (risc_size > 0 && rval == QLA_SUCCESS) {
7412                         dlen = (uint32_t)(ha->fw_transfer_size >> 2);
7413                         if (dlen > risc_size)
7414                                 dlen = risc_size;
7415
7416                         ql_dbg(ql_dbg_init, vha, 0x008e,
7417                             "Loading risc segment@ risc addr %x "
7418                             "number of dwords 0x%x offset 0x%x.\n",
7419                             risc_addr, dlen, faddr);
7420
7421                         qla24xx_read_flash_data(vha, dcode, faddr, dlen);
7422                         for (i = 0; i < dlen; i++)
7423                                 dcode[i] = swab32(dcode[i]);
7424
7425                         rval = qla2x00_load_ram(vha, req->dma, risc_addr,
7426                             dlen);
7427                         if (rval) {
7428                                 ql_log(ql_log_fatal, vha, 0x008f,
7429                                     "Failed to load segment %d of firmware.\n",
7430                                     fragment);
7431                                 return QLA_FUNCTION_FAILED;
7432                         }
7433
7434                         faddr += dlen;
7435                         risc_addr += dlen;
7436                         risc_size -= dlen;
7437                         fragment++;
7438                 }
7439
7440                 /* Next segment. */
7441                 segments--;
7442         }
7443
7444         if (!IS_QLA27XX(ha))
7445                 return rval;
7446
7447         if (ha->fw_dump_template)
7448                 vfree(ha->fw_dump_template);
7449         ha->fw_dump_template = NULL;
7450         ha->fw_dump_template_len = 0;
7451
7452         ql_dbg(ql_dbg_init, vha, 0x0161,
7453             "Loading fwdump template from %x\n", faddr);
7454         qla24xx_read_flash_data(vha, dcode, faddr, 7);
7455         risc_size = be32_to_cpu(dcode[2]);
7456         ql_dbg(ql_dbg_init, vha, 0x0162,
7457             "-> array size %x dwords\n", risc_size);
7458         if (risc_size == 0 || risc_size == ~0)
7459                 goto default_template;
7460
7461         dlen = (risc_size - 8) * sizeof(*dcode);
7462         ql_dbg(ql_dbg_init, vha, 0x0163,
7463             "-> template allocating %x bytes...\n", dlen);
7464         ha->fw_dump_template = vmalloc(dlen);
7465         if (!ha->fw_dump_template) {
7466                 ql_log(ql_log_warn, vha, 0x0164,
7467                     "Failed fwdump template allocate %x bytes.\n", risc_size);
7468                 goto default_template;
7469         }
7470
7471         faddr += 7;
7472         risc_size -= 8;
7473         dcode = ha->fw_dump_template;
7474         qla24xx_read_flash_data(vha, dcode, faddr, risc_size);
7475         for (i = 0; i < risc_size; i++)
7476                 dcode[i] = le32_to_cpu(dcode[i]);
7477
7478         if (!qla27xx_fwdt_template_valid(dcode)) {
7479                 ql_log(ql_log_warn, vha, 0x0165,
7480                     "Failed fwdump template validate\n");
7481                 goto default_template;
7482         }
7483
7484         dlen = qla27xx_fwdt_template_size(dcode);
7485         ql_dbg(ql_dbg_init, vha, 0x0166,
7486             "-> template size %x bytes\n", dlen);
7487         if (dlen > risc_size * sizeof(*dcode)) {
7488                 ql_log(ql_log_warn, vha, 0x0167,
7489                     "Failed fwdump template exceeds array by %zx bytes\n",
7490                     (size_t)(dlen - risc_size * sizeof(*dcode)));
7491                 goto default_template;
7492         }
7493         ha->fw_dump_template_len = dlen;
7494         return rval;
7495
7496 default_template:
7497         ql_log(ql_log_warn, vha, 0x0168, "Using default fwdump template\n");
7498         if (ha->fw_dump_template)
7499                 vfree(ha->fw_dump_template);
7500         ha->fw_dump_template = NULL;
7501         ha->fw_dump_template_len = 0;
7502
7503         dlen = qla27xx_fwdt_template_default_size();
7504         ql_dbg(ql_dbg_init, vha, 0x0169,
7505             "-> template allocating %x bytes...\n", dlen);
7506         ha->fw_dump_template = vmalloc(dlen);
7507         if (!ha->fw_dump_template) {
7508                 ql_log(ql_log_warn, vha, 0x016a,
7509                     "Failed fwdump template allocate %x bytes.\n", risc_size);
7510                 goto failed_template;
7511         }
7512
7513         dcode = ha->fw_dump_template;
7514         risc_size = dlen / sizeof(*dcode);
7515         memcpy(dcode, qla27xx_fwdt_template_default(), dlen);
7516         for (i = 0; i < risc_size; i++)
7517                 dcode[i] = be32_to_cpu(dcode[i]);
7518
7519         if (!qla27xx_fwdt_template_valid(ha->fw_dump_template)) {
7520                 ql_log(ql_log_warn, vha, 0x016b,
7521                     "Failed fwdump template validate\n");
7522                 goto failed_template;
7523         }
7524
7525         dlen = qla27xx_fwdt_template_size(ha->fw_dump_template);
7526         ql_dbg(ql_dbg_init, vha, 0x016c,
7527             "-> template size %x bytes\n", dlen);
7528         ha->fw_dump_template_len = dlen;
7529         return rval;
7530
7531 failed_template:
7532         ql_log(ql_log_warn, vha, 0x016d, "Failed default fwdump template\n");
7533         if (ha->fw_dump_template)
7534                 vfree(ha->fw_dump_template);
7535         ha->fw_dump_template = NULL;
7536         ha->fw_dump_template_len = 0;
7537         return rval;
7538 }
7539
7540 #define QLA_FW_URL "http://ldriver.qlogic.com/firmware/"
7541
7542 int
7543 qla2x00_load_risc(scsi_qla_host_t *vha, uint32_t *srisc_addr)
7544 {
7545         int     rval;
7546         int     i, fragment;
7547         uint16_t *wcode, *fwcode;
7548         uint32_t risc_addr, risc_size, fwclen, wlen, *seg;
7549         struct fw_blob *blob;
7550         struct qla_hw_data *ha = vha->hw;
7551         struct req_que *req = ha->req_q_map[0];
7552
7553         /* Load firmware blob. */
7554         blob = qla2x00_request_firmware(vha);
7555         if (!blob) {
7556                 ql_log(ql_log_info, vha, 0x0083,
7557                     "Firmware image unavailable.\n");
7558                 ql_log(ql_log_info, vha, 0x0084,
7559                     "Firmware images can be retrieved from: "QLA_FW_URL ".\n");
7560                 return QLA_FUNCTION_FAILED;
7561         }
7562
7563         rval = QLA_SUCCESS;
7564
7565         wcode = (uint16_t *)req->ring;
7566         *srisc_addr = 0;
7567         fwcode = (uint16_t *)blob->fw->data;
7568         fwclen = 0;
7569
7570         /* Validate firmware image by checking version. */
7571         if (blob->fw->size < 8 * sizeof(uint16_t)) {
7572                 ql_log(ql_log_fatal, vha, 0x0085,
7573                     "Unable to verify integrity of firmware image (%zd).\n",
7574                     blob->fw->size);
7575                 goto fail_fw_integrity;
7576         }
7577         for (i = 0; i < 4; i++)
7578                 wcode[i] = be16_to_cpu(fwcode[i + 4]);
7579         if ((wcode[0] == 0xffff && wcode[1] == 0xffff && wcode[2] == 0xffff &&
7580             wcode[3] == 0xffff) || (wcode[0] == 0 && wcode[1] == 0 &&
7581                 wcode[2] == 0 && wcode[3] == 0)) {
7582                 ql_log(ql_log_fatal, vha, 0x0086,
7583                     "Unable to verify integrity of firmware image.\n");
7584                 ql_log(ql_log_fatal, vha, 0x0087,
7585                     "Firmware data: %04x %04x %04x %04x.\n",
7586                     wcode[0], wcode[1], wcode[2], wcode[3]);
7587                 goto fail_fw_integrity;
7588         }
7589
7590         seg = blob->segs;
7591         while (*seg && rval == QLA_SUCCESS) {
7592                 risc_addr = *seg;
7593                 *srisc_addr = *srisc_addr == 0 ? *seg : *srisc_addr;
7594                 risc_size = be16_to_cpu(fwcode[3]);
7595
7596                 /* Validate firmware image size. */
7597                 fwclen += risc_size * sizeof(uint16_t);
7598                 if (blob->fw->size < fwclen) {
7599                         ql_log(ql_log_fatal, vha, 0x0088,
7600                             "Unable to verify integrity of firmware image "
7601                             "(%zd).\n", blob->fw->size);
7602                         goto fail_fw_integrity;
7603                 }
7604
7605                 fragment = 0;
7606                 while (risc_size > 0 && rval == QLA_SUCCESS) {
7607                         wlen = (uint16_t)(ha->fw_transfer_size >> 1);
7608                         if (wlen > risc_size)
7609                                 wlen = risc_size;
7610                         ql_dbg(ql_dbg_init, vha, 0x0089,
7611                             "Loading risc segment@ risc addr %x number of "
7612                             "words 0x%x.\n", risc_addr, wlen);
7613
7614                         for (i = 0; i < wlen; i++)
7615                                 wcode[i] = swab16(fwcode[i]);
7616
7617                         rval = qla2x00_load_ram(vha, req->dma, risc_addr,
7618                             wlen);
7619                         if (rval) {
7620                                 ql_log(ql_log_fatal, vha, 0x008a,
7621                                     "Failed to load segment %d of firmware.\n",
7622                                     fragment);
7623                                 break;
7624                         }
7625
7626                         fwcode += wlen;
7627                         risc_addr += wlen;
7628                         risc_size -= wlen;
7629                         fragment++;
7630                 }
7631
7632                 /* Next segment. */
7633                 seg++;
7634         }
7635         return rval;
7636
7637 fail_fw_integrity:
7638         return QLA_FUNCTION_FAILED;
7639 }
7640
7641 static int
7642 qla24xx_load_risc_blob(scsi_qla_host_t *vha, uint32_t *srisc_addr)
7643 {
7644         int     rval;
7645         int     segments, fragment;
7646         uint32_t *dcode, dlen;
7647         uint32_t risc_addr;
7648         uint32_t risc_size;
7649         uint32_t i;
7650         struct fw_blob *blob;
7651         const uint32_t *fwcode;
7652         uint32_t fwclen;
7653         struct qla_hw_data *ha = vha->hw;
7654         struct req_que *req = ha->req_q_map[0];
7655
7656         /* Load firmware blob. */
7657         blob = qla2x00_request_firmware(vha);
7658         if (!blob) {
7659                 ql_log(ql_log_warn, vha, 0x0090,
7660                     "Firmware image unavailable.\n");
7661                 ql_log(ql_log_warn, vha, 0x0091,
7662                     "Firmware images can be retrieved from: "
7663                     QLA_FW_URL ".\n");
7664
7665                 return QLA_FUNCTION_FAILED;
7666         }
7667
7668         ql_dbg(ql_dbg_init, vha, 0x0092,
7669             "FW: Loading via request-firmware.\n");
7670
7671         rval = QLA_SUCCESS;
7672
7673         segments = FA_RISC_CODE_SEGMENTS;
7674         dcode = (uint32_t *)req->ring;
7675         *srisc_addr = 0;
7676         fwcode = (uint32_t *)blob->fw->data;
7677         fwclen = 0;
7678
7679         /* Validate firmware image by checking version. */
7680         if (blob->fw->size < 8 * sizeof(uint32_t)) {
7681                 ql_log(ql_log_fatal, vha, 0x0093,
7682                     "Unable to verify integrity of firmware image (%zd).\n",
7683                     blob->fw->size);
7684                 return QLA_FUNCTION_FAILED;
7685         }
7686         for (i = 0; i < 4; i++)
7687                 dcode[i] = be32_to_cpu(fwcode[i + 4]);
7688         if ((dcode[0] == 0xffffffff && dcode[1] == 0xffffffff &&
7689             dcode[2] == 0xffffffff && dcode[3] == 0xffffffff) ||
7690             (dcode[0] == 0 && dcode[1] == 0 && dcode[2] == 0 &&
7691                 dcode[3] == 0)) {
7692                 ql_log(ql_log_fatal, vha, 0x0094,
7693                     "Unable to verify integrity of firmware image (%zd).\n",
7694                     blob->fw->size);
7695                 ql_log(ql_log_fatal, vha, 0x0095,
7696                     "Firmware data: %08x %08x %08x %08x.\n",
7697                     dcode[0], dcode[1], dcode[2], dcode[3]);
7698                 return QLA_FUNCTION_FAILED;
7699         }
7700
7701         while (segments && rval == QLA_SUCCESS) {
7702                 risc_addr = be32_to_cpu(fwcode[2]);
7703                 *srisc_addr = *srisc_addr == 0 ? risc_addr : *srisc_addr;
7704                 risc_size = be32_to_cpu(fwcode[3]);
7705
7706                 /* Validate firmware image size. */
7707                 fwclen += risc_size * sizeof(uint32_t);
7708                 if (blob->fw->size < fwclen) {
7709                         ql_log(ql_log_fatal, vha, 0x0096,
7710                             "Unable to verify integrity of firmware image "
7711                             "(%zd).\n", blob->fw->size);
7712                         return QLA_FUNCTION_FAILED;
7713                 }
7714
7715                 fragment = 0;
7716                 while (risc_size > 0 && rval == QLA_SUCCESS) {
7717                         dlen = (uint32_t)(ha->fw_transfer_size >> 2);
7718                         if (dlen > risc_size)
7719                                 dlen = risc_size;
7720
7721                         ql_dbg(ql_dbg_init, vha, 0x0097,
7722                             "Loading risc segment@ risc addr %x "
7723                             "number of dwords 0x%x.\n", risc_addr, dlen);
7724
7725                         for (i = 0; i < dlen; i++)
7726                                 dcode[i] = swab32(fwcode[i]);
7727
7728                         rval = qla2x00_load_ram(vha, req->dma, risc_addr,
7729                             dlen);
7730                         if (rval) {
7731                                 ql_log(ql_log_fatal, vha, 0x0098,
7732                                     "Failed to load segment %d of firmware.\n",
7733                                     fragment);
7734                                 return QLA_FUNCTION_FAILED;
7735                         }
7736
7737                         fwcode += dlen;
7738                         risc_addr += dlen;
7739                         risc_size -= dlen;
7740                         fragment++;
7741                 }
7742
7743                 /* Next segment. */
7744                 segments--;
7745         }
7746
7747         if (!IS_QLA27XX(ha))
7748                 return rval;
7749
7750         if (ha->fw_dump_template)
7751                 vfree(ha->fw_dump_template);
7752         ha->fw_dump_template = NULL;
7753         ha->fw_dump_template_len = 0;
7754
7755         ql_dbg(ql_dbg_init, vha, 0x171,
7756             "Loading fwdump template from %x\n",
7757             (uint32_t)((void *)fwcode - (void *)blob->fw->data));
7758         risc_size = be32_to_cpu(fwcode[2]);
7759         ql_dbg(ql_dbg_init, vha, 0x172,
7760             "-> array size %x dwords\n", risc_size);
7761         if (risc_size == 0 || risc_size == ~0)
7762                 goto default_template;
7763
7764         dlen = (risc_size - 8) * sizeof(*fwcode);
7765         ql_dbg(ql_dbg_init, vha, 0x0173,
7766             "-> template allocating %x bytes...\n", dlen);
7767         ha->fw_dump_template = vmalloc(dlen);
7768         if (!ha->fw_dump_template) {
7769                 ql_log(ql_log_warn, vha, 0x0174,
7770                     "Failed fwdump template allocate %x bytes.\n", risc_size);
7771                 goto default_template;
7772         }
7773
7774         fwcode += 7;
7775         risc_size -= 8;
7776         dcode = ha->fw_dump_template;
7777         for (i = 0; i < risc_size; i++)
7778                 dcode[i] = le32_to_cpu(fwcode[i]);
7779
7780         if (!qla27xx_fwdt_template_valid(dcode)) {
7781                 ql_log(ql_log_warn, vha, 0x0175,
7782                     "Failed fwdump template validate\n");
7783                 goto default_template;
7784         }
7785
7786         dlen = qla27xx_fwdt_template_size(dcode);
7787         ql_dbg(ql_dbg_init, vha, 0x0176,
7788             "-> template size %x bytes\n", dlen);
7789         if (dlen > risc_size * sizeof(*fwcode)) {
7790                 ql_log(ql_log_warn, vha, 0x0177,
7791                     "Failed fwdump template exceeds array by %zx bytes\n",
7792                     (size_t)(dlen - risc_size * sizeof(*fwcode)));
7793                 goto default_template;
7794         }
7795         ha->fw_dump_template_len = dlen;
7796         return rval;
7797
7798 default_template:
7799         ql_log(ql_log_warn, vha, 0x0178, "Using default fwdump template\n");
7800         if (ha->fw_dump_template)
7801                 vfree(ha->fw_dump_template);
7802         ha->fw_dump_template = NULL;
7803         ha->fw_dump_template_len = 0;
7804
7805         dlen = qla27xx_fwdt_template_default_size();
7806         ql_dbg(ql_dbg_init, vha, 0x0179,
7807             "-> template allocating %x bytes...\n", dlen);
7808         ha->fw_dump_template = vmalloc(dlen);
7809         if (!ha->fw_dump_template) {
7810                 ql_log(ql_log_warn, vha, 0x017a,
7811                     "Failed fwdump template allocate %x bytes.\n", risc_size);
7812                 goto failed_template;
7813         }
7814
7815         dcode = ha->fw_dump_template;
7816         risc_size = dlen / sizeof(*fwcode);
7817         fwcode = qla27xx_fwdt_template_default();
7818         for (i = 0; i < risc_size; i++)
7819                 dcode[i] = be32_to_cpu(fwcode[i]);
7820
7821         if (!qla27xx_fwdt_template_valid(ha->fw_dump_template)) {
7822                 ql_log(ql_log_warn, vha, 0x017b,
7823                     "Failed fwdump template validate\n");
7824                 goto failed_template;
7825         }
7826
7827         dlen = qla27xx_fwdt_template_size(ha->fw_dump_template);
7828         ql_dbg(ql_dbg_init, vha, 0x017c,
7829             "-> template size %x bytes\n", dlen);
7830         ha->fw_dump_template_len = dlen;
7831         return rval;
7832
7833 failed_template:
7834         ql_log(ql_log_warn, vha, 0x017d, "Failed default fwdump template\n");
7835         if (ha->fw_dump_template)
7836                 vfree(ha->fw_dump_template);
7837         ha->fw_dump_template = NULL;
7838         ha->fw_dump_template_len = 0;
7839         return rval;
7840 }
7841
7842 int
7843 qla24xx_load_risc(scsi_qla_host_t *vha, uint32_t *srisc_addr)
7844 {
7845         int rval;
7846
7847         if (ql2xfwloadbin == 1)
7848                 return qla81xx_load_risc(vha, srisc_addr);
7849
7850         /*
7851          * FW Load priority:
7852          * 1) Firmware via request-firmware interface (.bin file).
7853          * 2) Firmware residing in flash.
7854          */
7855         rval = qla24xx_load_risc_blob(vha, srisc_addr);
7856         if (rval == QLA_SUCCESS)
7857                 return rval;
7858
7859         return qla24xx_load_risc_flash(vha, srisc_addr,
7860             vha->hw->flt_region_fw);
7861 }
7862
7863 int
7864 qla81xx_load_risc(scsi_qla_host_t *vha, uint32_t *srisc_addr)
7865 {
7866         int rval;
7867         struct qla_hw_data *ha = vha->hw;
7868
7869         if (ql2xfwloadbin == 2)
7870                 goto try_blob_fw;
7871
7872         /*
7873          * FW Load priority:
7874          * 1) Firmware residing in flash.
7875          * 2) Firmware via request-firmware interface (.bin file).
7876          * 3) Golden-Firmware residing in flash -- limited operation.
7877          */
7878         rval = qla24xx_load_risc_flash(vha, srisc_addr, ha->flt_region_fw);
7879         if (rval == QLA_SUCCESS)
7880                 return rval;
7881
7882 try_blob_fw:
7883         rval = qla24xx_load_risc_blob(vha, srisc_addr);
7884         if (rval == QLA_SUCCESS || !ha->flt_region_gold_fw)
7885                 return rval;
7886
7887         ql_log(ql_log_info, vha, 0x0099,
7888             "Attempting to fallback to golden firmware.\n");
7889         rval = qla24xx_load_risc_flash(vha, srisc_addr, ha->flt_region_gold_fw);
7890         if (rval != QLA_SUCCESS)
7891                 return rval;
7892
7893         ql_log(ql_log_info, vha, 0x009a, "Update operational firmware.\n");
7894         ha->flags.running_gold_fw = 1;
7895         return rval;
7896 }
7897
7898 void
7899 qla2x00_try_to_stop_firmware(scsi_qla_host_t *vha)
7900 {
7901         int ret, retries;
7902         struct qla_hw_data *ha = vha->hw;
7903
7904         if (ha->flags.pci_channel_io_perm_failure)
7905                 return;
7906         if (!IS_FWI2_CAPABLE(ha))
7907                 return;
7908         if (!ha->fw_major_version)
7909                 return;
7910         if (!ha->flags.fw_started)
7911                 return;
7912
7913         ret = qla2x00_stop_firmware(vha);
7914         for (retries = 5; ret != QLA_SUCCESS && ret != QLA_FUNCTION_TIMEOUT &&
7915             ret != QLA_INVALID_COMMAND && retries ; retries--) {
7916                 ha->isp_ops->reset_chip(vha);
7917                 if (ha->isp_ops->chip_diag(vha) != QLA_SUCCESS)
7918                         continue;
7919                 if (qla2x00_setup_chip(vha) != QLA_SUCCESS)
7920                         continue;
7921                 ql_log(ql_log_info, vha, 0x8015,
7922                     "Attempting retry of stop-firmware command.\n");
7923                 ret = qla2x00_stop_firmware(vha);
7924         }
7925
7926         QLA_FW_STOPPED(ha);
7927         ha->flags.fw_init_done = 0;
7928 }
7929
7930 int
7931 qla24xx_configure_vhba(scsi_qla_host_t *vha)
7932 {
7933         int rval = QLA_SUCCESS;
7934         int rval2;
7935         uint16_t mb[MAILBOX_REGISTER_COUNT];
7936         struct qla_hw_data *ha = vha->hw;
7937         struct scsi_qla_host *base_vha = pci_get_drvdata(ha->pdev);
7938         struct req_que *req;
7939         struct rsp_que *rsp;
7940
7941         if (!vha->vp_idx)
7942                 return -EINVAL;
7943
7944         rval = qla2x00_fw_ready(base_vha);
7945         if (vha->qpair)
7946                 req = vha->qpair->req;
7947         else
7948                 req = ha->req_q_map[0];
7949         rsp = req->rsp;
7950
7951         if (rval == QLA_SUCCESS) {
7952                 clear_bit(RESET_MARKER_NEEDED, &vha->dpc_flags);
7953                 qla2x00_marker(vha, req, rsp, 0, 0, MK_SYNC_ALL);
7954         }
7955
7956         vha->flags.management_server_logged_in = 0;
7957
7958         /* Login to SNS first */
7959         rval2 = ha->isp_ops->fabric_login(vha, NPH_SNS, 0xff, 0xff, 0xfc, mb,
7960             BIT_1);
7961         if (rval2 != QLA_SUCCESS || mb[0] != MBS_COMMAND_COMPLETE) {
7962                 if (rval2 == QLA_MEMORY_ALLOC_FAILED)
7963                         ql_dbg(ql_dbg_init, vha, 0x0120,
7964                             "Failed SNS login: loop_id=%x, rval2=%d\n",
7965                             NPH_SNS, rval2);
7966                 else
7967                         ql_dbg(ql_dbg_init, vha, 0x0103,
7968                             "Failed SNS login: loop_id=%x mb[0]=%x mb[1]=%x "
7969                             "mb[2]=%x mb[6]=%x mb[7]=%x.\n",
7970                             NPH_SNS, mb[0], mb[1], mb[2], mb[6], mb[7]);
7971                 return (QLA_FUNCTION_FAILED);
7972         }
7973
7974         atomic_set(&vha->loop_down_timer, 0);
7975         atomic_set(&vha->loop_state, LOOP_UP);
7976         set_bit(LOOP_RESYNC_NEEDED, &vha->dpc_flags);
7977         set_bit(LOCAL_LOOP_UPDATE, &vha->dpc_flags);
7978         rval = qla2x00_loop_resync(base_vha);
7979
7980         return rval;
7981 }
7982
7983 /* 84XX Support **************************************************************/
7984
7985 static LIST_HEAD(qla_cs84xx_list);
7986 static DEFINE_MUTEX(qla_cs84xx_mutex);
7987
7988 static struct qla_chip_state_84xx *
7989 qla84xx_get_chip(struct scsi_qla_host *vha)
7990 {
7991         struct qla_chip_state_84xx *cs84xx;
7992         struct qla_hw_data *ha = vha->hw;
7993
7994         mutex_lock(&qla_cs84xx_mutex);
7995
7996         /* Find any shared 84xx chip. */
7997         list_for_each_entry(cs84xx, &qla_cs84xx_list, list) {
7998                 if (cs84xx->bus == ha->pdev->bus) {
7999                         kref_get(&cs84xx->kref);
8000                         goto done;
8001                 }
8002         }
8003
8004         cs84xx = kzalloc(sizeof(*cs84xx), GFP_KERNEL);
8005         if (!cs84xx)
8006                 goto done;
8007
8008         kref_init(&cs84xx->kref);
8009         spin_lock_init(&cs84xx->access_lock);
8010         mutex_init(&cs84xx->fw_update_mutex);
8011         cs84xx->bus = ha->pdev->bus;
8012
8013         list_add_tail(&cs84xx->list, &qla_cs84xx_list);
8014 done:
8015         mutex_unlock(&qla_cs84xx_mutex);
8016         return cs84xx;
8017 }
8018
8019 static void
8020 __qla84xx_chip_release(struct kref *kref)
8021 {
8022         struct qla_chip_state_84xx *cs84xx =
8023             container_of(kref, struct qla_chip_state_84xx, kref);
8024
8025         mutex_lock(&qla_cs84xx_mutex);
8026         list_del(&cs84xx->list);
8027         mutex_unlock(&qla_cs84xx_mutex);
8028         kfree(cs84xx);
8029 }
8030
8031 void
8032 qla84xx_put_chip(struct scsi_qla_host *vha)
8033 {
8034         struct qla_hw_data *ha = vha->hw;
8035         if (ha->cs84xx)
8036                 kref_put(&ha->cs84xx->kref, __qla84xx_chip_release);
8037 }
8038
8039 static int
8040 qla84xx_init_chip(scsi_qla_host_t *vha)
8041 {
8042         int rval;
8043         uint16_t status[2];
8044         struct qla_hw_data *ha = vha->hw;
8045
8046         mutex_lock(&ha->cs84xx->fw_update_mutex);
8047
8048         rval = qla84xx_verify_chip(vha, status);
8049
8050         mutex_unlock(&ha->cs84xx->fw_update_mutex);
8051
8052         return rval != QLA_SUCCESS || status[0] ? QLA_FUNCTION_FAILED:
8053             QLA_SUCCESS;
8054 }
8055
8056 /* 81XX Support **************************************************************/
8057
8058 int
8059 qla81xx_nvram_config(scsi_qla_host_t *vha)
8060 {
8061         int   rval;
8062         struct init_cb_81xx *icb;
8063         struct nvram_81xx *nv;
8064         uint32_t *dptr;
8065         uint8_t  *dptr1, *dptr2;
8066         uint32_t chksum;
8067         uint16_t cnt;
8068         struct qla_hw_data *ha = vha->hw;
8069
8070         rval = QLA_SUCCESS;
8071         icb = (struct init_cb_81xx *)ha->init_cb;
8072         nv = ha->nvram;
8073
8074         /* Determine NVRAM starting address. */
8075         ha->nvram_size = sizeof(struct nvram_81xx);
8076         ha->vpd_size = FA_NVRAM_VPD_SIZE;
8077         if (IS_P3P_TYPE(ha) || IS_QLA8031(ha))
8078                 ha->vpd_size = FA_VPD_SIZE_82XX;
8079
8080         /* Get VPD data into cache */
8081         ha->vpd = ha->nvram + VPD_OFFSET;
8082         ha->isp_ops->read_optrom(vha, ha->vpd, ha->flt_region_vpd << 2,
8083             ha->vpd_size);
8084
8085         /* Get NVRAM data into cache and calculate checksum. */
8086         ha->isp_ops->read_optrom(vha, ha->nvram, ha->flt_region_nvram << 2,
8087             ha->nvram_size);
8088         dptr = (uint32_t *)nv;
8089         for (cnt = 0, chksum = 0; cnt < ha->nvram_size >> 2; cnt++, dptr++)
8090                 chksum += le32_to_cpu(*dptr);
8091
8092         ql_dbg(ql_dbg_init + ql_dbg_buffer, vha, 0x0111,
8093             "Contents of NVRAM:\n");
8094         ql_dump_buffer(ql_dbg_init + ql_dbg_buffer, vha, 0x0112,
8095             (uint8_t *)nv, ha->nvram_size);
8096
8097         /* Bad NVRAM data, set defaults parameters. */
8098         if (chksum || nv->id[0] != 'I' || nv->id[1] != 'S' || nv->id[2] != 'P'
8099             || nv->id[3] != ' ' ||
8100             nv->nvram_version < cpu_to_le16(ICB_VERSION)) {
8101                 /* Reset NVRAM data. */
8102                 ql_log(ql_log_info, vha, 0x0073,
8103                     "Inconsistent NVRAM detected: checksum=0x%x id=%c "
8104                     "version=0x%x.\n", chksum, nv->id[0],
8105                     le16_to_cpu(nv->nvram_version));
8106                 ql_log(ql_log_info, vha, 0x0074,
8107                     "Falling back to functioning (yet invalid -- WWPN) "
8108                     "defaults.\n");
8109
8110                 /*
8111                  * Set default initialization control block.
8112                  */
8113                 memset(nv, 0, ha->nvram_size);
8114                 nv->nvram_version = cpu_to_le16(ICB_VERSION);
8115                 nv->version = cpu_to_le16(ICB_VERSION);
8116                 nv->frame_payload_size = 2048;
8117                 nv->execution_throttle = cpu_to_le16(0xFFFF);
8118                 nv->exchange_count = cpu_to_le16(0);
8119                 nv->port_name[0] = 0x21;
8120                 nv->port_name[1] = 0x00 + ha->port_no + 1;
8121                 nv->port_name[2] = 0x00;
8122                 nv->port_name[3] = 0xe0;
8123                 nv->port_name[4] = 0x8b;
8124                 nv->port_name[5] = 0x1c;
8125                 nv->port_name[6] = 0x55;
8126                 nv->port_name[7] = 0x86;
8127                 nv->node_name[0] = 0x20;
8128                 nv->node_name[1] = 0x00;
8129                 nv->node_name[2] = 0x00;
8130                 nv->node_name[3] = 0xe0;
8131                 nv->node_name[4] = 0x8b;
8132                 nv->node_name[5] = 0x1c;
8133                 nv->node_name[6] = 0x55;
8134                 nv->node_name[7] = 0x86;
8135                 nv->login_retry_count = cpu_to_le16(8);
8136                 nv->interrupt_delay_timer = cpu_to_le16(0);
8137                 nv->login_timeout = cpu_to_le16(0);
8138                 nv->firmware_options_1 =
8139                     cpu_to_le32(BIT_14|BIT_13|BIT_2|BIT_1);
8140                 nv->firmware_options_2 = cpu_to_le32(2 << 4);
8141                 nv->firmware_options_2 |= cpu_to_le32(BIT_12);
8142                 nv->firmware_options_3 = cpu_to_le32(2 << 13);
8143                 nv->host_p = cpu_to_le32(BIT_11|BIT_10);
8144                 nv->efi_parameters = cpu_to_le32(0);
8145                 nv->reset_delay = 5;
8146                 nv->max_luns_per_target = cpu_to_le16(128);
8147                 nv->port_down_retry_count = cpu_to_le16(30);
8148                 nv->link_down_timeout = cpu_to_le16(180);
8149                 nv->enode_mac[0] = 0x00;
8150                 nv->enode_mac[1] = 0xC0;
8151                 nv->enode_mac[2] = 0xDD;
8152                 nv->enode_mac[3] = 0x04;
8153                 nv->enode_mac[4] = 0x05;
8154                 nv->enode_mac[5] = 0x06 + ha->port_no + 1;
8155
8156                 rval = 1;
8157         }
8158
8159         if (IS_T10_PI_CAPABLE(ha))
8160                 nv->frame_payload_size &= ~7;
8161
8162         qlt_81xx_config_nvram_stage1(vha, nv);
8163
8164         /* Reset Initialization control block */
8165         memset(icb, 0, ha->init_cb_size);
8166
8167         /* Copy 1st segment. */
8168         dptr1 = (uint8_t *)icb;
8169         dptr2 = (uint8_t *)&nv->version;
8170         cnt = (uint8_t *)&icb->response_q_inpointer - (uint8_t *)&icb->version;
8171         while (cnt--)
8172                 *dptr1++ = *dptr2++;
8173
8174         icb->login_retry_count = nv->login_retry_count;
8175
8176         /* Copy 2nd segment. */
8177         dptr1 = (uint8_t *)&icb->interrupt_delay_timer;
8178         dptr2 = (uint8_t *)&nv->interrupt_delay_timer;
8179         cnt = (uint8_t *)&icb->reserved_5 -
8180             (uint8_t *)&icb->interrupt_delay_timer;
8181         while (cnt--)
8182                 *dptr1++ = *dptr2++;
8183
8184         memcpy(icb->enode_mac, nv->enode_mac, sizeof(icb->enode_mac));
8185         /* Some boards (with valid NVRAMs) still have NULL enode_mac!! */
8186         if (!memcmp(icb->enode_mac, "\0\0\0\0\0\0", sizeof(icb->enode_mac))) {
8187                 icb->enode_mac[0] = 0x00;
8188                 icb->enode_mac[1] = 0xC0;
8189                 icb->enode_mac[2] = 0xDD;
8190                 icb->enode_mac[3] = 0x04;
8191                 icb->enode_mac[4] = 0x05;
8192                 icb->enode_mac[5] = 0x06 + ha->port_no + 1;
8193         }
8194
8195         /* Use extended-initialization control block. */
8196         memcpy(ha->ex_init_cb, &nv->ex_version, sizeof(*ha->ex_init_cb));
8197         ha->frame_payload_size = le16_to_cpu(icb->frame_payload_size);
8198         /*
8199          * Setup driver NVRAM options.
8200          */
8201         qla2x00_set_model_info(vha, nv->model_name, sizeof(nv->model_name),
8202             "QLE8XXX");
8203
8204         qlt_81xx_config_nvram_stage2(vha, icb);
8205
8206         /* Use alternate WWN? */
8207         if (nv->host_p & cpu_to_le32(BIT_15)) {
8208                 memcpy(icb->node_name, nv->alternate_node_name, WWN_SIZE);
8209                 memcpy(icb->port_name, nv->alternate_port_name, WWN_SIZE);
8210         }
8211
8212         /* Prepare nodename */
8213         if ((icb->firmware_options_1 & cpu_to_le32(BIT_14)) == 0) {
8214                 /*
8215                  * Firmware will apply the following mask if the nodename was
8216                  * not provided.
8217                  */
8218                 memcpy(icb->node_name, icb->port_name, WWN_SIZE);
8219                 icb->node_name[0] &= 0xF0;
8220         }
8221
8222         /* Set host adapter parameters. */
8223         ha->flags.disable_risc_code_load = 0;
8224         ha->flags.enable_lip_reset = 0;
8225         ha->flags.enable_lip_full_login =
8226             le32_to_cpu(nv->host_p) & BIT_10 ? 1: 0;
8227         ha->flags.enable_target_reset =
8228             le32_to_cpu(nv->host_p) & BIT_11 ? 1: 0;
8229         ha->flags.enable_led_scheme = 0;
8230         ha->flags.disable_serdes = le32_to_cpu(nv->host_p) & BIT_5 ? 1: 0;
8231
8232         ha->operating_mode = (le32_to_cpu(icb->firmware_options_2) &
8233             (BIT_6 | BIT_5 | BIT_4)) >> 4;
8234
8235         /* save HBA serial number */
8236         ha->serial0 = icb->port_name[5];
8237         ha->serial1 = icb->port_name[6];
8238         ha->serial2 = icb->port_name[7];
8239         memcpy(vha->node_name, icb->node_name, WWN_SIZE);
8240         memcpy(vha->port_name, icb->port_name, WWN_SIZE);
8241
8242         icb->execution_throttle = cpu_to_le16(0xFFFF);
8243
8244         ha->retry_count = le16_to_cpu(nv->login_retry_count);
8245
8246         /* Set minimum login_timeout to 4 seconds. */
8247         if (le16_to_cpu(nv->login_timeout) < ql2xlogintimeout)
8248                 nv->login_timeout = cpu_to_le16(ql2xlogintimeout);
8249         if (le16_to_cpu(nv->login_timeout) < 4)
8250                 nv->login_timeout = cpu_to_le16(4);
8251         ha->login_timeout = le16_to_cpu(nv->login_timeout);
8252
8253         /* Set minimum RATOV to 100 tenths of a second. */
8254         ha->r_a_tov = 100;
8255
8256         ha->loop_reset_delay = nv->reset_delay;
8257
8258         /* Link Down Timeout = 0:
8259          *
8260          *      When Port Down timer expires we will start returning
8261          *      I/O's to OS with "DID_NO_CONNECT".
8262          *
8263          * Link Down Timeout != 0:
8264          *
8265          *       The driver waits for the link to come up after link down
8266          *       before returning I/Os to OS with "DID_NO_CONNECT".
8267          */
8268         if (le16_to_cpu(nv->link_down_timeout) == 0) {
8269                 ha->loop_down_abort_time =
8270                     (LOOP_DOWN_TIME - LOOP_DOWN_TIMEOUT);
8271         } else {
8272                 ha->link_down_timeout = le16_to_cpu(nv->link_down_timeout);
8273                 ha->loop_down_abort_time =
8274                     (LOOP_DOWN_TIME - ha->link_down_timeout);
8275         }
8276
8277         /* Need enough time to try and get the port back. */
8278         ha->port_down_retry_count = le16_to_cpu(nv->port_down_retry_count);
8279         if (qlport_down_retry)
8280                 ha->port_down_retry_count = qlport_down_retry;
8281
8282         /* Set login_retry_count */
8283         ha->login_retry_count  = le16_to_cpu(nv->login_retry_count);
8284         if (ha->port_down_retry_count ==
8285             le16_to_cpu(nv->port_down_retry_count) &&
8286             ha->port_down_retry_count > 3)
8287                 ha->login_retry_count = ha->port_down_retry_count;
8288         else if (ha->port_down_retry_count > (int)ha->login_retry_count)
8289                 ha->login_retry_count = ha->port_down_retry_count;
8290         if (ql2xloginretrycount)
8291                 ha->login_retry_count = ql2xloginretrycount;
8292
8293         /* if not running MSI-X we need handshaking on interrupts */
8294         if (!vha->hw->flags.msix_enabled && (IS_QLA83XX(ha) || IS_QLA27XX(ha)))
8295                 icb->firmware_options_2 |= cpu_to_le32(BIT_22);
8296
8297         /* Enable ZIO. */
8298         if (!vha->flags.init_done) {
8299                 ha->zio_mode = le32_to_cpu(icb->firmware_options_2) &
8300                     (BIT_3 | BIT_2 | BIT_1 | BIT_0);
8301                 ha->zio_timer = le16_to_cpu(icb->interrupt_delay_timer) ?
8302                     le16_to_cpu(icb->interrupt_delay_timer): 2;
8303         }
8304         icb->firmware_options_2 &= cpu_to_le32(
8305             ~(BIT_3 | BIT_2 | BIT_1 | BIT_0));
8306         vha->flags.process_response_queue = 0;
8307         if (ha->zio_mode != QLA_ZIO_DISABLED) {
8308                 ha->zio_mode = QLA_ZIO_MODE_6;
8309
8310                 ql_log(ql_log_info, vha, 0x0075,
8311                     "ZIO mode %d enabled; timer delay (%d us).\n",
8312                     ha->zio_mode,
8313                     ha->zio_timer * 100);
8314
8315                 icb->firmware_options_2 |= cpu_to_le32(
8316                     (uint32_t)ha->zio_mode);
8317                 icb->interrupt_delay_timer = cpu_to_le16(ha->zio_timer);
8318                 vha->flags.process_response_queue = 1;
8319         }
8320
8321          /* enable RIDA Format2 */
8322         icb->firmware_options_3 |= BIT_0;
8323
8324         /* N2N: driver will initiate Login instead of FW */
8325         icb->firmware_options_3 |= BIT_8;
8326
8327         if (IS_QLA27XX(ha)) {
8328                 icb->firmware_options_3 |= BIT_8;
8329                 ql_dbg(ql_log_info, vha, 0x0075,
8330                     "Enabling direct connection.\n");
8331         }
8332
8333         if (rval) {
8334                 ql_log(ql_log_warn, vha, 0x0076,
8335                     "NVRAM configuration failed.\n");
8336         }
8337         return (rval);
8338 }
8339
8340 int
8341 qla82xx_restart_isp(scsi_qla_host_t *vha)
8342 {
8343         int status, rval;
8344         struct qla_hw_data *ha = vha->hw;
8345         struct req_que *req = ha->req_q_map[0];
8346         struct rsp_que *rsp = ha->rsp_q_map[0];
8347         struct scsi_qla_host *vp;
8348         unsigned long flags;
8349
8350         status = qla2x00_init_rings(vha);
8351         if (!status) {
8352                 clear_bit(RESET_MARKER_NEEDED, &vha->dpc_flags);
8353                 ha->flags.chip_reset_done = 1;
8354
8355                 status = qla2x00_fw_ready(vha);
8356                 if (!status) {
8357                         /* Issue a marker after FW becomes ready. */
8358                         qla2x00_marker(vha, req, rsp, 0, 0, MK_SYNC_ALL);
8359                         vha->flags.online = 1;
8360                         set_bit(LOOP_RESYNC_NEEDED, &vha->dpc_flags);
8361                 }
8362
8363                 /* if no cable then assume it's good */
8364                 if ((vha->device_flags & DFLG_NO_CABLE))
8365                         status = 0;
8366         }
8367
8368         if (!status) {
8369                 clear_bit(RESET_MARKER_NEEDED, &vha->dpc_flags);
8370
8371                 if (!atomic_read(&vha->loop_down_timer)) {
8372                         /*
8373                          * Issue marker command only when we are going
8374                          * to start the I/O .
8375                          */
8376                         vha->marker_needed = 1;
8377                 }
8378
8379                 ha->isp_ops->enable_intrs(ha);
8380
8381                 ha->isp_abort_cnt = 0;
8382                 clear_bit(ISP_ABORT_RETRY, &vha->dpc_flags);
8383
8384                 /* Update the firmware version */
8385                 status = qla82xx_check_md_needed(vha);
8386
8387                 if (ha->fce) {
8388                         ha->flags.fce_enabled = 1;
8389                         memset(ha->fce, 0,
8390                             fce_calc_size(ha->fce_bufs));
8391                         rval = qla2x00_enable_fce_trace(vha,
8392                             ha->fce_dma, ha->fce_bufs, ha->fce_mb,
8393                             &ha->fce_bufs);
8394                         if (rval) {
8395                                 ql_log(ql_log_warn, vha, 0x8001,
8396                                     "Unable to reinitialize FCE (%d).\n",
8397                                     rval);
8398                                 ha->flags.fce_enabled = 0;
8399                         }
8400                 }
8401
8402                 if (ha->eft) {
8403                         memset(ha->eft, 0, EFT_SIZE);
8404                         rval = qla2x00_enable_eft_trace(vha,
8405                             ha->eft_dma, EFT_NUM_BUFFERS);
8406                         if (rval) {
8407                                 ql_log(ql_log_warn, vha, 0x8010,
8408                                     "Unable to reinitialize EFT (%d).\n",
8409                                     rval);
8410                         }
8411                 }
8412         }
8413
8414         if (!status) {
8415                 ql_dbg(ql_dbg_taskm, vha, 0x8011,
8416                     "qla82xx_restart_isp succeeded.\n");
8417
8418                 spin_lock_irqsave(&ha->vport_slock, flags);
8419                 list_for_each_entry(vp, &ha->vp_list, list) {
8420                         if (vp->vp_idx) {
8421                                 atomic_inc(&vp->vref_count);
8422                                 spin_unlock_irqrestore(&ha->vport_slock, flags);
8423
8424                                 qla2x00_vp_abort_isp(vp);
8425
8426                                 spin_lock_irqsave(&ha->vport_slock, flags);
8427                                 atomic_dec(&vp->vref_count);
8428                         }
8429                 }
8430                 spin_unlock_irqrestore(&ha->vport_slock, flags);
8431
8432         } else {
8433                 ql_log(ql_log_warn, vha, 0x8016,
8434                     "qla82xx_restart_isp **** FAILED ****.\n");
8435         }
8436
8437         return status;
8438 }
8439
8440 void
8441 qla81xx_update_fw_options(scsi_qla_host_t *vha)
8442 {
8443         struct qla_hw_data *ha = vha->hw;
8444
8445         /*  Hold status IOCBs until ABTS response received. */
8446         if (ql2xfwholdabts)
8447                 ha->fw_options[3] |= BIT_12;
8448
8449         /* Set Retry FLOGI in case of P2P connection */
8450         if (ha->operating_mode == P2P) {
8451                 ha->fw_options[2] |= BIT_3;
8452                 ql_dbg(ql_dbg_disc, vha, 0x2103,
8453                     "(%s): Setting FLOGI retry BIT in fw_options[2]: 0x%x\n",
8454                         __func__, ha->fw_options[2]);
8455         }
8456
8457         /* Move PUREX, ABTS RX & RIDA to ATIOQ */
8458         if (ql2xmvasynctoatio) {
8459                 if (qla_tgt_mode_enabled(vha) ||
8460                     qla_dual_mode_enabled(vha))
8461                         ha->fw_options[2] |= BIT_11;
8462                 else
8463                         ha->fw_options[2] &= ~BIT_11;
8464         }
8465
8466         if (qla_tgt_mode_enabled(vha) ||
8467             qla_dual_mode_enabled(vha)) {
8468                 /* FW auto send SCSI status during */
8469                 ha->fw_options[1] |= BIT_8;
8470                 ha->fw_options[10] |= (u16)SAM_STAT_BUSY << 8;
8471
8472                 /* FW perform Exchange validation */
8473                 ha->fw_options[2] |= BIT_4;
8474         } else {
8475                 ha->fw_options[1]  &= ~BIT_8;
8476                 ha->fw_options[10] &= 0x00ff;
8477
8478                 ha->fw_options[2] &= ~BIT_4;
8479         }
8480
8481         if (ql2xetsenable) {
8482                 /* Enable ETS Burst. */
8483                 memset(ha->fw_options, 0, sizeof(ha->fw_options));
8484                 ha->fw_options[2] |= BIT_9;
8485         }
8486
8487         ql_dbg(ql_dbg_init, vha, 0x00e9,
8488             "%s, add FW options 1-3 = 0x%04x 0x%04x 0x%04x mode %x\n",
8489             __func__, ha->fw_options[1], ha->fw_options[2],
8490             ha->fw_options[3], vha->host->active_mode);
8491
8492         qla2x00_set_fw_options(vha, ha->fw_options);
8493 }
8494
8495 /*
8496  * qla24xx_get_fcp_prio
8497  *      Gets the fcp cmd priority value for the logged in port.
8498  *      Looks for a match of the port descriptors within
8499  *      each of the fcp prio config entries. If a match is found,
8500  *      the tag (priority) value is returned.
8501  *
8502  * Input:
8503  *      vha = scsi host structure pointer.
8504  *      fcport = port structure pointer.
8505  *
8506  * Return:
8507  *      non-zero (if found)
8508  *      -1 (if not found)
8509  *
8510  * Context:
8511  *      Kernel context
8512  */
8513 static int
8514 qla24xx_get_fcp_prio(scsi_qla_host_t *vha, fc_port_t *fcport)
8515 {
8516         int i, entries;
8517         uint8_t pid_match, wwn_match;
8518         int priority;
8519         uint32_t pid1, pid2;
8520         uint64_t wwn1, wwn2;
8521         struct qla_fcp_prio_entry *pri_entry;
8522         struct qla_hw_data *ha = vha->hw;
8523
8524         if (!ha->fcp_prio_cfg || !ha->flags.fcp_prio_enabled)
8525                 return -1;
8526
8527         priority = -1;
8528         entries = ha->fcp_prio_cfg->num_entries;
8529         pri_entry = &ha->fcp_prio_cfg->entry[0];
8530
8531         for (i = 0; i < entries; i++) {
8532                 pid_match = wwn_match = 0;
8533
8534                 if (!(pri_entry->flags & FCP_PRIO_ENTRY_VALID)) {
8535                         pri_entry++;
8536                         continue;
8537                 }
8538
8539                 /* check source pid for a match */
8540                 if (pri_entry->flags & FCP_PRIO_ENTRY_SPID_VALID) {
8541                         pid1 = pri_entry->src_pid & INVALID_PORT_ID;
8542                         pid2 = vha->d_id.b24 & INVALID_PORT_ID;
8543                         if (pid1 == INVALID_PORT_ID)
8544                                 pid_match++;
8545                         else if (pid1 == pid2)
8546                                 pid_match++;
8547                 }
8548
8549                 /* check destination pid for a match */
8550                 if (pri_entry->flags & FCP_PRIO_ENTRY_DPID_VALID) {
8551                         pid1 = pri_entry->dst_pid & INVALID_PORT_ID;
8552                         pid2 = fcport->d_id.b24 & INVALID_PORT_ID;
8553                         if (pid1 == INVALID_PORT_ID)
8554                                 pid_match++;
8555                         else if (pid1 == pid2)
8556                                 pid_match++;
8557                 }
8558
8559                 /* check source WWN for a match */
8560                 if (pri_entry->flags & FCP_PRIO_ENTRY_SWWN_VALID) {
8561                         wwn1 = wwn_to_u64(vha->port_name);
8562                         wwn2 = wwn_to_u64(pri_entry->src_wwpn);
8563                         if (wwn2 == (uint64_t)-1)
8564                                 wwn_match++;
8565                         else if (wwn1 == wwn2)
8566                                 wwn_match++;
8567                 }
8568
8569                 /* check destination WWN for a match */
8570                 if (pri_entry->flags & FCP_PRIO_ENTRY_DWWN_VALID) {
8571                         wwn1 = wwn_to_u64(fcport->port_name);
8572                         wwn2 = wwn_to_u64(pri_entry->dst_wwpn);
8573                         if (wwn2 == (uint64_t)-1)
8574                                 wwn_match++;
8575                         else if (wwn1 == wwn2)
8576                                 wwn_match++;
8577                 }
8578
8579                 if (pid_match == 2 || wwn_match == 2) {
8580                         /* Found a matching entry */
8581                         if (pri_entry->flags & FCP_PRIO_ENTRY_TAG_VALID)
8582                                 priority = pri_entry->tag;
8583                         break;
8584                 }
8585
8586                 pri_entry++;
8587         }
8588
8589         return priority;
8590 }
8591
8592 /*
8593  * qla24xx_update_fcport_fcp_prio
8594  *      Activates fcp priority for the logged in fc port
8595  *
8596  * Input:
8597  *      vha = scsi host structure pointer.
8598  *      fcp = port structure pointer.
8599  *
8600  * Return:
8601  *      QLA_SUCCESS or QLA_FUNCTION_FAILED
8602  *
8603  * Context:
8604  *      Kernel context.
8605  */
8606 int
8607 qla24xx_update_fcport_fcp_prio(scsi_qla_host_t *vha, fc_port_t *fcport)
8608 {
8609         int ret;
8610         int priority;
8611         uint16_t mb[5];
8612
8613         if (fcport->port_type != FCT_TARGET ||
8614             fcport->loop_id == FC_NO_LOOP_ID)
8615                 return QLA_FUNCTION_FAILED;
8616
8617         priority = qla24xx_get_fcp_prio(vha, fcport);
8618         if (priority < 0)
8619                 return QLA_FUNCTION_FAILED;
8620
8621         if (IS_P3P_TYPE(vha->hw)) {
8622                 fcport->fcp_prio = priority & 0xf;
8623                 return QLA_SUCCESS;
8624         }
8625
8626         ret = qla24xx_set_fcp_prio(vha, fcport->loop_id, priority, mb);
8627         if (ret == QLA_SUCCESS) {
8628                 if (fcport->fcp_prio != priority)
8629                         ql_dbg(ql_dbg_user, vha, 0x709e,
8630                             "Updated FCP_CMND priority - value=%d loop_id=%d "
8631                             "port_id=%02x%02x%02x.\n", priority,
8632                             fcport->loop_id, fcport->d_id.b.domain,
8633                             fcport->d_id.b.area, fcport->d_id.b.al_pa);
8634                 fcport->fcp_prio = priority & 0xf;
8635         } else
8636                 ql_dbg(ql_dbg_user, vha, 0x704f,
8637                     "Unable to update FCP_CMND priority - ret=0x%x for "
8638                     "loop_id=%d port_id=%02x%02x%02x.\n", ret, fcport->loop_id,
8639                     fcport->d_id.b.domain, fcport->d_id.b.area,
8640                     fcport->d_id.b.al_pa);
8641         return  ret;
8642 }
8643
8644 /*
8645  * qla24xx_update_all_fcp_prio
8646  *      Activates fcp priority for all the logged in ports
8647  *
8648  * Input:
8649  *      ha = adapter block pointer.
8650  *
8651  * Return:
8652  *      QLA_SUCCESS or QLA_FUNCTION_FAILED
8653  *
8654  * Context:
8655  *      Kernel context.
8656  */
8657 int
8658 qla24xx_update_all_fcp_prio(scsi_qla_host_t *vha)
8659 {
8660         int ret;
8661         fc_port_t *fcport;
8662
8663         ret = QLA_FUNCTION_FAILED;
8664         /* We need to set priority for all logged in ports */
8665         list_for_each_entry(fcport, &vha->vp_fcports, list)
8666                 ret = qla24xx_update_fcport_fcp_prio(vha, fcport);
8667
8668         return ret;
8669 }
8670
8671 struct qla_qpair *qla2xxx_create_qpair(struct scsi_qla_host *vha, int qos,
8672         int vp_idx, bool startqp)
8673 {
8674         int rsp_id = 0;
8675         int  req_id = 0;
8676         int i;
8677         struct qla_hw_data *ha = vha->hw;
8678         uint16_t qpair_id = 0;
8679         struct qla_qpair *qpair = NULL;
8680         struct qla_msix_entry *msix;
8681
8682         if (!(ha->fw_attributes & BIT_6) || !ha->flags.msix_enabled) {
8683                 ql_log(ql_log_warn, vha, 0x00181,
8684                     "FW/Driver is not multi-queue capable.\n");
8685                 return NULL;
8686         }
8687
8688         if (ql2xmqsupport || ql2xnvmeenable) {
8689                 qpair = kzalloc(sizeof(struct qla_qpair), GFP_KERNEL);
8690                 if (qpair == NULL) {
8691                         ql_log(ql_log_warn, vha, 0x0182,
8692                             "Failed to allocate memory for queue pair.\n");
8693                         return NULL;
8694                 }
8695                 memset(qpair, 0, sizeof(struct qla_qpair));
8696
8697                 qpair->hw = vha->hw;
8698                 qpair->vha = vha;
8699                 qpair->qp_lock_ptr = &qpair->qp_lock;
8700                 spin_lock_init(&qpair->qp_lock);
8701                 qpair->use_shadow_reg = IS_SHADOW_REG_CAPABLE(ha) ? 1 : 0;
8702
8703                 /* Assign available que pair id */
8704                 mutex_lock(&ha->mq_lock);
8705                 qpair_id = find_first_zero_bit(ha->qpair_qid_map, ha->max_qpairs);
8706                 if (ha->num_qpairs >= ha->max_qpairs) {
8707                         mutex_unlock(&ha->mq_lock);
8708                         ql_log(ql_log_warn, vha, 0x0183,
8709                             "No resources to create additional q pair.\n");
8710                         goto fail_qid_map;
8711                 }
8712                 ha->num_qpairs++;
8713                 set_bit(qpair_id, ha->qpair_qid_map);
8714                 ha->queue_pair_map[qpair_id] = qpair;
8715                 qpair->id = qpair_id;
8716                 qpair->vp_idx = vp_idx;
8717                 qpair->fw_started = ha->flags.fw_started;
8718                 INIT_LIST_HEAD(&qpair->hints_list);
8719                 qpair->chip_reset = ha->base_qpair->chip_reset;
8720                 qpair->enable_class_2 = ha->base_qpair->enable_class_2;
8721                 qpair->enable_explicit_conf =
8722                     ha->base_qpair->enable_explicit_conf;
8723
8724                 for (i = 0; i < ha->msix_count; i++) {
8725                         msix = &ha->msix_entries[i];
8726                         if (msix->in_use)
8727                                 continue;
8728                         qpair->msix = msix;
8729                         ql_dbg(ql_dbg_multiq, vha, 0xc00f,
8730                             "Vector %x selected for qpair\n", msix->vector);
8731                         break;
8732                 }
8733                 if (!qpair->msix) {
8734                         ql_log(ql_log_warn, vha, 0x0184,
8735                             "Out of MSI-X vectors!.\n");
8736                         goto fail_msix;
8737                 }
8738
8739                 qpair->msix->in_use = 1;
8740                 list_add_tail(&qpair->qp_list_elem, &vha->qp_list);
8741                 qpair->pdev = ha->pdev;
8742                 if (IS_QLA27XX(ha) || IS_QLA83XX(ha))
8743                         qpair->reqq_start_iocbs = qla_83xx_start_iocbs;
8744
8745                 mutex_unlock(&ha->mq_lock);
8746
8747                 /* Create response queue first */
8748                 rsp_id = qla25xx_create_rsp_que(ha, 0, 0, 0, qpair, startqp);
8749                 if (!rsp_id) {
8750                         ql_log(ql_log_warn, vha, 0x0185,
8751                             "Failed to create response queue.\n");
8752                         goto fail_rsp;
8753                 }
8754
8755                 qpair->rsp = ha->rsp_q_map[rsp_id];
8756
8757                 /* Create request queue */
8758                 req_id = qla25xx_create_req_que(ha, 0, vp_idx, 0, rsp_id, qos,
8759                     startqp);
8760                 if (!req_id) {
8761                         ql_log(ql_log_warn, vha, 0x0186,
8762                             "Failed to create request queue.\n");
8763                         goto fail_req;
8764                 }
8765
8766                 qpair->req = ha->req_q_map[req_id];
8767                 qpair->rsp->req = qpair->req;
8768                 qpair->rsp->qpair = qpair;
8769                 /* init qpair to this cpu. Will adjust at run time. */
8770                 qla_cpu_update(qpair, smp_processor_id());
8771
8772                 if (IS_T10_PI_CAPABLE(ha) && ql2xenabledif) {
8773                         if (ha->fw_attributes & BIT_4)
8774                                 qpair->difdix_supported = 1;
8775                 }
8776
8777                 qpair->srb_mempool = mempool_create_slab_pool(SRB_MIN_REQ, srb_cachep);
8778                 if (!qpair->srb_mempool) {
8779                         ql_log(ql_log_warn, vha, 0xd036,
8780                             "Failed to create srb mempool for qpair %d\n",
8781                             qpair->id);
8782                         goto fail_mempool;
8783                 }
8784
8785                 /* Mark as online */
8786                 qpair->online = 1;
8787
8788                 if (!vha->flags.qpairs_available)
8789                         vha->flags.qpairs_available = 1;
8790
8791                 ql_dbg(ql_dbg_multiq, vha, 0xc00d,
8792                     "Request/Response queue pair created, id %d\n",
8793                     qpair->id);
8794                 ql_dbg(ql_dbg_init, vha, 0x0187,
8795                     "Request/Response queue pair created, id %d\n",
8796                     qpair->id);
8797         }
8798         return qpair;
8799
8800 fail_mempool:
8801 fail_req:
8802         qla25xx_delete_rsp_que(vha, qpair->rsp);
8803 fail_rsp:
8804         mutex_lock(&ha->mq_lock);
8805         qpair->msix->in_use = 0;
8806         list_del(&qpair->qp_list_elem);
8807         if (list_empty(&vha->qp_list))
8808                 vha->flags.qpairs_available = 0;
8809 fail_msix:
8810         ha->queue_pair_map[qpair_id] = NULL;
8811         clear_bit(qpair_id, ha->qpair_qid_map);
8812         ha->num_qpairs--;
8813         mutex_unlock(&ha->mq_lock);
8814 fail_qid_map:
8815         kfree(qpair);
8816         return NULL;
8817 }
8818
8819 int qla2xxx_delete_qpair(struct scsi_qla_host *vha, struct qla_qpair *qpair)
8820 {
8821         int ret = QLA_FUNCTION_FAILED;
8822         struct qla_hw_data *ha = qpair->hw;
8823
8824         qpair->delete_in_progress = 1;
8825         while (atomic_read(&qpair->ref_count))
8826                 msleep(500);
8827
8828         ret = qla25xx_delete_req_que(vha, qpair->req);
8829         if (ret != QLA_SUCCESS)
8830                 goto fail;
8831
8832         ret = qla25xx_delete_rsp_que(vha, qpair->rsp);
8833         if (ret != QLA_SUCCESS)
8834                 goto fail;
8835
8836         mutex_lock(&ha->mq_lock);
8837         ha->queue_pair_map[qpair->id] = NULL;
8838         clear_bit(qpair->id, ha->qpair_qid_map);
8839         ha->num_qpairs--;
8840         list_del(&qpair->qp_list_elem);
8841         if (list_empty(&vha->qp_list)) {
8842                 vha->flags.qpairs_available = 0;
8843                 vha->flags.qpairs_req_created = 0;
8844                 vha->flags.qpairs_rsp_created = 0;
8845         }
8846         mempool_destroy(qpair->srb_mempool);
8847         kfree(qpair);
8848         mutex_unlock(&ha->mq_lock);
8849
8850         return QLA_SUCCESS;
8851 fail:
8852         return ret;
8853 }