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
4767         fcport->ct_desc.ct_sns = dma_alloc_coherent(&vha->hw->pdev->dev,
4768                 sizeof(struct ct_sns_pkt), &fcport->ct_desc.ct_sns_dma,
4769                 flags);
4770         fcport->disc_state = DSC_DELETED;
4771         fcport->fw_login_state = DSC_LS_PORT_UNAVAIL;
4772         fcport->deleted = QLA_SESS_DELETED;
4773         fcport->login_retry = vha->hw->login_retry_count;
4774         fcport->logout_on_delete = 1;
4775
4776         if (!fcport->ct_desc.ct_sns) {
4777                 ql_log(ql_log_warn, vha, 0xd049,
4778                     "Failed to allocate ct_sns request.\n");
4779                 kfree(fcport);
4780                 fcport = NULL;
4781         }
4782         INIT_WORK(&fcport->del_work, qla24xx_delete_sess_fn);
4783         INIT_WORK(&fcport->reg_work, qla_register_fcport_fn);
4784         INIT_LIST_HEAD(&fcport->gnl_entry);
4785         INIT_LIST_HEAD(&fcport->list);
4786
4787         return fcport;
4788 }
4789
4790 void
4791 qla2x00_free_fcport(fc_port_t *fcport)
4792 {
4793         if (fcport->ct_desc.ct_sns) {
4794                 dma_free_coherent(&fcport->vha->hw->pdev->dev,
4795                         sizeof(struct ct_sns_pkt), fcport->ct_desc.ct_sns,
4796                         fcport->ct_desc.ct_sns_dma);
4797
4798                 fcport->ct_desc.ct_sns = NULL;
4799         }
4800         kfree(fcport);
4801 }
4802
4803 /*
4804  * qla2x00_configure_loop
4805  *      Updates Fibre Channel Device Database with what is actually on loop.
4806  *
4807  * Input:
4808  *      ha                = adapter block pointer.
4809  *
4810  * Returns:
4811  *      0 = success.
4812  *      1 = error.
4813  *      2 = database was full and device was not configured.
4814  */
4815 static int
4816 qla2x00_configure_loop(scsi_qla_host_t *vha)
4817 {
4818         int  rval;
4819         unsigned long flags, save_flags;
4820         struct qla_hw_data *ha = vha->hw;
4821         rval = QLA_SUCCESS;
4822
4823         /* Get Initiator ID */
4824         if (test_bit(LOCAL_LOOP_UPDATE, &vha->dpc_flags)) {
4825                 rval = qla2x00_configure_hba(vha);
4826                 if (rval != QLA_SUCCESS) {
4827                         ql_dbg(ql_dbg_disc, vha, 0x2013,
4828                             "Unable to configure HBA.\n");
4829                         return (rval);
4830                 }
4831         }
4832
4833         save_flags = flags = vha->dpc_flags;
4834         ql_dbg(ql_dbg_disc, vha, 0x2014,
4835             "Configure loop -- dpc flags = 0x%lx.\n", flags);
4836
4837         /*
4838          * If we have both an RSCN and PORT UPDATE pending then handle them
4839          * both at the same time.
4840          */
4841         clear_bit(LOCAL_LOOP_UPDATE, &vha->dpc_flags);
4842         clear_bit(RSCN_UPDATE, &vha->dpc_flags);
4843
4844         qla2x00_get_data_rate(vha);
4845
4846         /* Determine what we need to do */
4847         if (ha->current_topology == ISP_CFG_FL &&
4848             (test_bit(LOCAL_LOOP_UPDATE, &flags))) {
4849
4850                 set_bit(RSCN_UPDATE, &flags);
4851
4852         } else if (ha->current_topology == ISP_CFG_F &&
4853             (test_bit(LOCAL_LOOP_UPDATE, &flags))) {
4854
4855                 set_bit(RSCN_UPDATE, &flags);
4856                 clear_bit(LOCAL_LOOP_UPDATE, &flags);
4857
4858         } else if (ha->current_topology == ISP_CFG_N) {
4859                 clear_bit(RSCN_UPDATE, &flags);
4860                 if (qla_tgt_mode_enabled(vha)) {
4861                         /* allow the other side to start the login */
4862                         clear_bit(LOCAL_LOOP_UPDATE, &flags);
4863                         set_bit(RELOGIN_NEEDED, &vha->dpc_flags);
4864                 }
4865         } else if (ha->current_topology == ISP_CFG_NL) {
4866                 clear_bit(RSCN_UPDATE, &flags);
4867                 set_bit(LOCAL_LOOP_UPDATE, &flags);
4868         } else if (!vha->flags.online ||
4869             (test_bit(ABORT_ISP_ACTIVE, &flags))) {
4870                 set_bit(RSCN_UPDATE, &flags);
4871                 set_bit(LOCAL_LOOP_UPDATE, &flags);
4872         }
4873
4874         if (test_bit(LOCAL_LOOP_UPDATE, &flags)) {
4875                 if (test_bit(LOOP_RESYNC_NEEDED, &vha->dpc_flags)) {
4876                         ql_dbg(ql_dbg_disc, vha, 0x2015,
4877                             "Loop resync needed, failing.\n");
4878                         rval = QLA_FUNCTION_FAILED;
4879                 } else
4880                         rval = qla2x00_configure_local_loop(vha);
4881         }
4882
4883         if (rval == QLA_SUCCESS && test_bit(RSCN_UPDATE, &flags)) {
4884                 if (LOOP_TRANSITION(vha)) {
4885                         ql_dbg(ql_dbg_disc, vha, 0x2099,
4886                             "Needs RSCN update and loop transition.\n");
4887                         rval = QLA_FUNCTION_FAILED;
4888                 }
4889                 else
4890                         rval = qla2x00_configure_fabric(vha);
4891         }
4892
4893         if (rval == QLA_SUCCESS) {
4894                 if (atomic_read(&vha->loop_down_timer) ||
4895                     test_bit(LOOP_RESYNC_NEEDED, &vha->dpc_flags)) {
4896                         rval = QLA_FUNCTION_FAILED;
4897                 } else {
4898                         atomic_set(&vha->loop_state, LOOP_READY);
4899                         ql_dbg(ql_dbg_disc, vha, 0x2069,
4900                             "LOOP READY.\n");
4901                         ha->flags.fw_init_done = 1;
4902
4903                         /*
4904                          * Process any ATIO queue entries that came in
4905                          * while we weren't online.
4906                          */
4907                         if (qla_tgt_mode_enabled(vha) ||
4908                             qla_dual_mode_enabled(vha)) {
4909                                 spin_lock_irqsave(&ha->tgt.atio_lock, flags);
4910                                 qlt_24xx_process_atio_queue(vha, 0);
4911                                 spin_unlock_irqrestore(&ha->tgt.atio_lock,
4912                                     flags);
4913                         }
4914                 }
4915         }
4916
4917         if (rval) {
4918                 ql_dbg(ql_dbg_disc, vha, 0x206a,
4919                     "%s *** FAILED ***.\n", __func__);
4920         } else {
4921                 ql_dbg(ql_dbg_disc, vha, 0x206b,
4922                     "%s: exiting normally.\n", __func__);
4923         }
4924
4925         /* Restore state if a resync event occurred during processing */
4926         if (test_bit(LOOP_RESYNC_NEEDED, &vha->dpc_flags)) {
4927                 if (test_bit(LOCAL_LOOP_UPDATE, &save_flags))
4928                         set_bit(LOCAL_LOOP_UPDATE, &vha->dpc_flags);
4929                 if (test_bit(RSCN_UPDATE, &save_flags)) {
4930                         set_bit(RSCN_UPDATE, &vha->dpc_flags);
4931                 }
4932         }
4933
4934         return (rval);
4935 }
4936
4937 /*
4938  * qla2x00_configure_local_loop
4939  *      Updates Fibre Channel Device Database with local loop devices.
4940  *
4941  * Input:
4942  *      ha = adapter block pointer.
4943  *
4944  * Returns:
4945  *      0 = success.
4946  */
4947 static int
4948 qla2x00_configure_local_loop(scsi_qla_host_t *vha)
4949 {
4950         int             rval, rval2;
4951         int             found_devs;
4952         int             found;
4953         fc_port_t       *fcport, *new_fcport;
4954
4955         uint16_t        index;
4956         uint16_t        entries;
4957         char            *id_iter;
4958         uint16_t        loop_id;
4959         uint8_t         domain, area, al_pa;
4960         struct qla_hw_data *ha = vha->hw;
4961         unsigned long flags;
4962
4963         /* Inititae N2N login. */
4964         if (test_and_clear_bit(N2N_LOGIN_NEEDED, &vha->dpc_flags)) {
4965                 /* borrowing */
4966                 u32 *bp, i, sz;
4967
4968                 memset(ha->init_cb, 0, ha->init_cb_size);
4969                 sz = min_t(int, sizeof(struct els_plogi_payload),
4970                     ha->init_cb_size);
4971                 rval = qla24xx_get_port_login_templ(vha, ha->init_cb_dma,
4972                     (void *)ha->init_cb, sz);
4973                 if (rval == QLA_SUCCESS) {
4974                         bp = (uint32_t *)ha->init_cb;
4975                         for (i = 0; i < sz/4 ; i++, bp++)
4976                                 *bp = cpu_to_be32(*bp);
4977
4978                         memcpy(&ha->plogi_els_payld.data, (void *)ha->init_cb,
4979                             sizeof(ha->plogi_els_payld.data));
4980                         set_bit(RELOGIN_NEEDED, &vha->dpc_flags);
4981                 } else {
4982                         ql_dbg(ql_dbg_init, vha, 0x00d1,
4983                             "PLOGI ELS param read fail.\n");
4984                 }
4985                 return QLA_SUCCESS;
4986         }
4987
4988         found_devs = 0;
4989         new_fcport = NULL;
4990         entries = MAX_FIBRE_DEVICES_LOOP;
4991
4992         /* Get list of logged in devices. */
4993         memset(ha->gid_list, 0, qla2x00_gid_list_size(ha));
4994         rval = qla2x00_get_id_list(vha, ha->gid_list, ha->gid_list_dma,
4995             &entries);
4996         if (rval != QLA_SUCCESS)
4997                 goto cleanup_allocation;
4998
4999         ql_dbg(ql_dbg_disc, vha, 0x2011,
5000             "Entries in ID list (%d).\n", entries);
5001         ql_dump_buffer(ql_dbg_disc + ql_dbg_buffer, vha, 0x2075,
5002             (uint8_t *)ha->gid_list,
5003             entries * sizeof(struct gid_list_info));
5004
5005         if (entries == 0) {
5006                 spin_lock_irqsave(&vha->work_lock, flags);
5007                 vha->scan.scan_retry++;
5008                 spin_unlock_irqrestore(&vha->work_lock, flags);
5009
5010                 if (vha->scan.scan_retry < MAX_SCAN_RETRIES) {
5011                         set_bit(LOCAL_LOOP_UPDATE, &vha->dpc_flags);
5012                         set_bit(LOOP_RESYNC_NEEDED, &vha->dpc_flags);
5013                 }
5014         } else {
5015                 vha->scan.scan_retry = 0;
5016         }
5017
5018         list_for_each_entry(fcport, &vha->vp_fcports, list) {
5019                 fcport->scan_state = QLA_FCPORT_SCAN;
5020         }
5021
5022         /* Allocate temporary fcport for any new fcports discovered. */
5023         new_fcport = qla2x00_alloc_fcport(vha, GFP_KERNEL);
5024         if (new_fcport == NULL) {
5025                 ql_log(ql_log_warn, vha, 0x2012,
5026                     "Memory allocation failed for fcport.\n");
5027                 rval = QLA_MEMORY_ALLOC_FAILED;
5028                 goto cleanup_allocation;
5029         }
5030         new_fcport->flags &= ~FCF_FABRIC_DEVICE;
5031
5032         /* Add devices to port list. */
5033         id_iter = (char *)ha->gid_list;
5034         for (index = 0; index < entries; index++) {
5035                 domain = ((struct gid_list_info *)id_iter)->domain;
5036                 area = ((struct gid_list_info *)id_iter)->area;
5037                 al_pa = ((struct gid_list_info *)id_iter)->al_pa;
5038                 if (IS_QLA2100(ha) || IS_QLA2200(ha))
5039                         loop_id = (uint16_t)
5040                             ((struct gid_list_info *)id_iter)->loop_id_2100;
5041                 else
5042                         loop_id = le16_to_cpu(
5043                             ((struct gid_list_info *)id_iter)->loop_id);
5044                 id_iter += ha->gid_list_info_size;
5045
5046                 /* Bypass reserved domain fields. */
5047                 if ((domain & 0xf0) == 0xf0)
5048                         continue;
5049
5050                 /* Bypass if not same domain and area of adapter. */
5051                 if (area && domain &&
5052                     (area != vha->d_id.b.area || domain != vha->d_id.b.domain))
5053                         continue;
5054
5055                 /* Bypass invalid local loop ID. */
5056                 if (loop_id > LAST_LOCAL_LOOP_ID)
5057                         continue;
5058
5059                 memset(new_fcport->port_name, 0, WWN_SIZE);
5060
5061                 /* Fill in member data. */
5062                 new_fcport->d_id.b.domain = domain;
5063                 new_fcport->d_id.b.area = area;
5064                 new_fcport->d_id.b.al_pa = al_pa;
5065                 new_fcport->loop_id = loop_id;
5066                 new_fcport->scan_state = QLA_FCPORT_FOUND;
5067
5068                 rval2 = qla2x00_get_port_database(vha, new_fcport, 0);
5069                 if (rval2 != QLA_SUCCESS) {
5070                         ql_dbg(ql_dbg_disc, vha, 0x2097,
5071                             "Failed to retrieve fcport information "
5072                             "-- get_port_database=%x, loop_id=0x%04x.\n",
5073                             rval2, new_fcport->loop_id);
5074                         /* Skip retry if N2N */
5075                         if (ha->current_topology != ISP_CFG_N) {
5076                                 ql_dbg(ql_dbg_disc, vha, 0x2105,
5077                                     "Scheduling resync.\n");
5078                                 set_bit(LOOP_RESYNC_NEEDED, &vha->dpc_flags);
5079                                 continue;
5080                         }
5081                 }
5082
5083                 spin_lock_irqsave(&vha->hw->tgt.sess_lock, flags);
5084                 /* Check for matching device in port list. */
5085                 found = 0;
5086                 fcport = NULL;
5087                 list_for_each_entry(fcport, &vha->vp_fcports, list) {
5088                         if (memcmp(new_fcport->port_name, fcport->port_name,
5089                             WWN_SIZE))
5090                                 continue;
5091
5092                         fcport->flags &= ~FCF_FABRIC_DEVICE;
5093                         fcport->loop_id = new_fcport->loop_id;
5094                         fcport->port_type = new_fcport->port_type;
5095                         fcport->d_id.b24 = new_fcport->d_id.b24;
5096                         memcpy(fcport->node_name, new_fcport->node_name,
5097                             WWN_SIZE);
5098                         fcport->scan_state = QLA_FCPORT_FOUND;
5099                         found++;
5100                         break;
5101                 }
5102
5103                 if (!found) {
5104                         /* New device, add to fcports list. */
5105                         list_add_tail(&new_fcport->list, &vha->vp_fcports);
5106
5107                         /* Allocate a new replacement fcport. */
5108                         fcport = new_fcport;
5109
5110                         spin_unlock_irqrestore(&vha->hw->tgt.sess_lock, flags);
5111
5112                         new_fcport = qla2x00_alloc_fcport(vha, GFP_KERNEL);
5113
5114                         if (new_fcport == NULL) {
5115                                 ql_log(ql_log_warn, vha, 0xd031,
5116                                     "Failed to allocate memory for fcport.\n");
5117                                 rval = QLA_MEMORY_ALLOC_FAILED;
5118                                 goto cleanup_allocation;
5119                         }
5120                         spin_lock_irqsave(&vha->hw->tgt.sess_lock, flags);
5121                         new_fcport->flags &= ~FCF_FABRIC_DEVICE;
5122                 }
5123
5124                 spin_unlock_irqrestore(&vha->hw->tgt.sess_lock, flags);
5125
5126                 /* Base iIDMA settings on HBA port speed. */
5127                 fcport->fp_speed = ha->link_data_rate;
5128
5129                 found_devs++;
5130         }
5131
5132         list_for_each_entry(fcport, &vha->vp_fcports, list) {
5133                 if (test_bit(LOOP_RESYNC_NEEDED, &vha->dpc_flags))
5134                         break;
5135
5136                 if (fcport->scan_state == QLA_FCPORT_SCAN) {
5137                         if ((qla_dual_mode_enabled(vha) ||
5138                             qla_ini_mode_enabled(vha)) &&
5139                             atomic_read(&fcport->state) == FCS_ONLINE) {
5140                                 qla2x00_mark_device_lost(vha, fcport,
5141                                         ql2xplogiabsentdevice, 0);
5142                                 if (fcport->loop_id != FC_NO_LOOP_ID &&
5143                                     (fcport->flags & FCF_FCP2_DEVICE) == 0 &&
5144                                     fcport->port_type != FCT_INITIATOR &&
5145                                     fcport->port_type != FCT_BROADCAST) {
5146                                         ql_dbg(ql_dbg_disc, vha, 0x20f0,
5147                                             "%s %d %8phC post del sess\n",
5148                                             __func__, __LINE__,
5149                                             fcport->port_name);
5150
5151                                         qlt_schedule_sess_for_deletion(fcport);
5152                                         continue;
5153                                 }
5154                         }
5155                 }
5156
5157                 if (fcport->scan_state == QLA_FCPORT_FOUND)
5158                         qla24xx_fcport_handle_login(vha, fcport);
5159         }
5160
5161 cleanup_allocation:
5162         kfree(new_fcport);
5163
5164         if (rval != QLA_SUCCESS) {
5165                 ql_dbg(ql_dbg_disc, vha, 0x2098,
5166                     "Configure local loop error exit: rval=%x.\n", rval);
5167         }
5168
5169         return (rval);
5170 }
5171
5172 static void
5173 qla2x00_iidma_fcport(scsi_qla_host_t *vha, fc_port_t *fcport)
5174 {
5175         int rval;
5176         uint16_t mb[MAILBOX_REGISTER_COUNT];
5177         struct qla_hw_data *ha = vha->hw;
5178
5179         if (!IS_IIDMA_CAPABLE(ha))
5180                 return;
5181
5182         if (atomic_read(&fcport->state) != FCS_ONLINE)
5183                 return;
5184
5185         if (fcport->fp_speed == PORT_SPEED_UNKNOWN ||
5186             fcport->fp_speed > ha->link_data_rate ||
5187             !ha->flags.gpsc_supported)
5188                 return;
5189
5190         rval = qla2x00_set_idma_speed(vha, fcport->loop_id, fcport->fp_speed,
5191             mb);
5192         if (rval != QLA_SUCCESS) {
5193                 ql_dbg(ql_dbg_disc, vha, 0x2004,
5194                     "Unable to adjust iIDMA %8phN -- %04x %x %04x %04x.\n",
5195                     fcport->port_name, rval, fcport->fp_speed, mb[0], mb[1]);
5196         } else {
5197                 ql_dbg(ql_dbg_disc, vha, 0x2005,
5198                     "iIDMA adjusted to %s GB/s (%X) on %8phN.\n",
5199                     qla2x00_get_link_speed_str(ha, fcport->fp_speed),
5200                     fcport->fp_speed, fcport->port_name);
5201         }
5202 }
5203
5204 void qla_do_iidma_work(struct scsi_qla_host *vha, fc_port_t *fcport)
5205 {
5206         qla2x00_iidma_fcport(vha, fcport);
5207         qla24xx_update_fcport_fcp_prio(vha, fcport);
5208 }
5209
5210 int qla_post_iidma_work(struct scsi_qla_host *vha, fc_port_t *fcport)
5211 {
5212         struct qla_work_evt *e;
5213
5214         e = qla2x00_alloc_work(vha, QLA_EVT_IIDMA);
5215         if (!e)
5216                 return QLA_FUNCTION_FAILED;
5217
5218         e->u.fcport.fcport = fcport;
5219         return qla2x00_post_work(vha, e);
5220 }
5221
5222 /* qla2x00_reg_remote_port is reserved for Initiator Mode only.*/
5223 static void
5224 qla2x00_reg_remote_port(scsi_qla_host_t *vha, fc_port_t *fcport)
5225 {
5226         struct fc_rport_identifiers rport_ids;
5227         struct fc_rport *rport;
5228         unsigned long flags;
5229
5230         if (atomic_read(&fcport->state) == FCS_ONLINE)
5231                 return;
5232
5233         rport_ids.node_name = wwn_to_u64(fcport->node_name);
5234         rport_ids.port_name = wwn_to_u64(fcport->port_name);
5235         rport_ids.port_id = fcport->d_id.b.domain << 16 |
5236             fcport->d_id.b.area << 8 | fcport->d_id.b.al_pa;
5237         rport_ids.roles = FC_RPORT_ROLE_UNKNOWN;
5238         fcport->rport = rport = fc_remote_port_add(vha->host, 0, &rport_ids);
5239         if (!rport) {
5240                 ql_log(ql_log_warn, vha, 0x2006,
5241                     "Unable to allocate fc remote port.\n");
5242                 return;
5243         }
5244
5245         spin_lock_irqsave(fcport->vha->host->host_lock, flags);
5246         *((fc_port_t **)rport->dd_data) = fcport;
5247         spin_unlock_irqrestore(fcport->vha->host->host_lock, flags);
5248
5249         rport->supported_classes = fcport->supported_classes;
5250
5251         rport_ids.roles = FC_RPORT_ROLE_UNKNOWN;
5252         if (fcport->port_type == FCT_INITIATOR)
5253                 rport_ids.roles |= FC_RPORT_ROLE_FCP_INITIATOR;
5254         if (fcport->port_type == FCT_TARGET)
5255                 rport_ids.roles |= FC_RPORT_ROLE_FCP_TARGET;
5256
5257         ql_dbg(ql_dbg_disc, vha, 0x20ee,
5258             "%s %8phN. rport %p is %s mode\n",
5259             __func__, fcport->port_name, rport,
5260             (fcport->port_type == FCT_TARGET) ? "tgt" : "ini");
5261
5262         fc_remote_port_rolechg(rport, rport_ids.roles);
5263 }
5264
5265 /*
5266  * qla2x00_update_fcport
5267  *      Updates device on list.
5268  *
5269  * Input:
5270  *      ha = adapter block pointer.
5271  *      fcport = port structure pointer.
5272  *
5273  * Return:
5274  *      0  - Success
5275  *  BIT_0 - error
5276  *
5277  * Context:
5278  *      Kernel context.
5279  */
5280 void
5281 qla2x00_update_fcport(scsi_qla_host_t *vha, fc_port_t *fcport)
5282 {
5283         if (IS_SW_RESV_ADDR(fcport->d_id))
5284                 return;
5285
5286         ql_dbg(ql_dbg_disc, vha, 0x20ef, "%s %8phC\n",
5287             __func__, fcport->port_name);
5288
5289         fcport->disc_state = DSC_UPD_FCPORT;
5290         fcport->login_retry = vha->hw->login_retry_count;
5291         fcport->flags &= ~(FCF_LOGIN_NEEDED | FCF_ASYNC_SENT);
5292         fcport->deleted = 0;
5293         fcport->logout_on_delete = 1;
5294         fcport->login_retry = vha->hw->login_retry_count;
5295         fcport->n2n_chip_reset = fcport->n2n_link_reset_cnt = 0;
5296
5297         switch (vha->hw->current_topology) {
5298         case ISP_CFG_N:
5299         case ISP_CFG_NL:
5300                 fcport->keep_nport_handle = 1;
5301                 break;
5302         default:
5303                 break;
5304         }
5305
5306         qla2x00_iidma_fcport(vha, fcport);
5307
5308         if (fcport->fc4f_nvme) {
5309                 qla_nvme_register_remote(vha, fcport);
5310                 fcport->disc_state = DSC_LOGIN_COMPLETE;
5311                 qla2x00_set_fcport_state(fcport, FCS_ONLINE);
5312                 return;
5313         }
5314
5315         qla24xx_update_fcport_fcp_prio(vha, fcport);
5316
5317         switch (vha->host->active_mode) {
5318         case MODE_INITIATOR:
5319                 qla2x00_reg_remote_port(vha, fcport);
5320                 break;
5321         case MODE_TARGET:
5322                 if (!vha->vha_tgt.qla_tgt->tgt_stop &&
5323                         !vha->vha_tgt.qla_tgt->tgt_stopped)
5324                         qlt_fc_port_added(vha, fcport);
5325                 break;
5326         case MODE_DUAL:
5327                 qla2x00_reg_remote_port(vha, fcport);
5328                 if (!vha->vha_tgt.qla_tgt->tgt_stop &&
5329                         !vha->vha_tgt.qla_tgt->tgt_stopped)
5330                         qlt_fc_port_added(vha, fcport);
5331                 break;
5332         default:
5333                 break;
5334         }
5335
5336         qla2x00_set_fcport_state(fcport, FCS_ONLINE);
5337
5338         if (IS_IIDMA_CAPABLE(vha->hw) && vha->hw->flags.gpsc_supported) {
5339                 if (fcport->id_changed) {
5340                         fcport->id_changed = 0;
5341                         ql_dbg(ql_dbg_disc, vha, 0x20d7,
5342                             "%s %d %8phC post gfpnid fcp_cnt %d\n",
5343                             __func__, __LINE__, fcport->port_name,
5344                             vha->fcport_count);
5345                         qla24xx_post_gfpnid_work(vha, fcport);
5346                 } else {
5347                         ql_dbg(ql_dbg_disc, vha, 0x20d7,
5348                             "%s %d %8phC post gpsc fcp_cnt %d\n",
5349                             __func__, __LINE__, fcport->port_name,
5350                             vha->fcport_count);
5351                         qla24xx_post_gpsc_work(vha, fcport);
5352                 }
5353         }
5354
5355         fcport->disc_state = DSC_LOGIN_COMPLETE;
5356 }
5357
5358 void qla_register_fcport_fn(struct work_struct *work)
5359 {
5360         fc_port_t *fcport = container_of(work, struct fc_port, reg_work);
5361         u32 rscn_gen = fcport->rscn_gen;
5362         u16 data[2];
5363
5364         if (IS_SW_RESV_ADDR(fcport->d_id))
5365                 return;
5366
5367         qla2x00_update_fcport(fcport->vha, fcport);
5368
5369         if (rscn_gen != fcport->rscn_gen) {
5370                 /* RSCN(s) came in while registration */
5371                 switch (fcport->next_disc_state) {
5372                 case DSC_DELETE_PEND:
5373                         qlt_schedule_sess_for_deletion(fcport);
5374                         break;
5375                 case DSC_ADISC:
5376                         data[0] = data[1] = 0;
5377                         qla2x00_post_async_adisc_work(fcport->vha, fcport,
5378                             data);
5379                         break;
5380                 default:
5381                         break;
5382                 }
5383         }
5384 }
5385
5386 /*
5387  * qla2x00_configure_fabric
5388  *      Setup SNS devices with loop ID's.
5389  *
5390  * Input:
5391  *      ha = adapter block pointer.
5392  *
5393  * Returns:
5394  *      0 = success.
5395  *      BIT_0 = error
5396  */
5397 static int
5398 qla2x00_configure_fabric(scsi_qla_host_t *vha)
5399 {
5400         int     rval;
5401         fc_port_t       *fcport;
5402         uint16_t        mb[MAILBOX_REGISTER_COUNT];
5403         uint16_t        loop_id;
5404         LIST_HEAD(new_fcports);
5405         struct qla_hw_data *ha = vha->hw;
5406         int             discovery_gen;
5407
5408         /* If FL port exists, then SNS is present */
5409         if (IS_FWI2_CAPABLE(ha))
5410                 loop_id = NPH_F_PORT;
5411         else
5412                 loop_id = SNS_FL_PORT;
5413         rval = qla2x00_get_port_name(vha, loop_id, vha->fabric_node_name, 1);
5414         if (rval != QLA_SUCCESS) {
5415                 ql_dbg(ql_dbg_disc, vha, 0x20a0,
5416                     "MBX_GET_PORT_NAME failed, No FL Port.\n");
5417
5418                 vha->device_flags &= ~SWITCH_FOUND;
5419                 return (QLA_SUCCESS);
5420         }
5421         vha->device_flags |= SWITCH_FOUND;
5422
5423
5424         if (qla_tgt_mode_enabled(vha) || qla_dual_mode_enabled(vha)) {
5425                 rval = qla2x00_send_change_request(vha, 0x3, 0);
5426                 if (rval != QLA_SUCCESS)
5427                         ql_log(ql_log_warn, vha, 0x121,
5428                                 "Failed to enable receiving of RSCN requests: 0x%x.\n",
5429                                 rval);
5430         }
5431
5432
5433         do {
5434                 qla2x00_mgmt_svr_login(vha);
5435
5436                 /* FDMI support. */
5437                 if (ql2xfdmienable &&
5438                     test_and_clear_bit(REGISTER_FDMI_NEEDED, &vha->dpc_flags))
5439                         qla2x00_fdmi_register(vha);
5440
5441                 /* Ensure we are logged into the SNS. */
5442                 loop_id = NPH_SNS_LID(ha);
5443                 rval = ha->isp_ops->fabric_login(vha, loop_id, 0xff, 0xff,
5444                     0xfc, mb, BIT_1|BIT_0);
5445                 if (rval != QLA_SUCCESS || mb[0] != MBS_COMMAND_COMPLETE) {
5446                         ql_dbg(ql_dbg_disc, vha, 0x20a1,
5447                             "Failed SNS login: loop_id=%x mb[0]=%x mb[1]=%x mb[2]=%x mb[6]=%x mb[7]=%x (%x).\n",
5448                             loop_id, mb[0], mb[1], mb[2], mb[6], mb[7], rval);
5449                         set_bit(LOOP_RESYNC_NEEDED, &vha->dpc_flags);
5450                         return rval;
5451                 }
5452                 if (test_and_clear_bit(REGISTER_FC4_NEEDED, &vha->dpc_flags)) {
5453                         if (qla2x00_rft_id(vha)) {
5454                                 /* EMPTY */
5455                                 ql_dbg(ql_dbg_disc, vha, 0x20a2,
5456                                     "Register FC-4 TYPE failed.\n");
5457                                 if (test_bit(LOOP_RESYNC_NEEDED,
5458                                     &vha->dpc_flags))
5459                                         break;
5460                         }
5461                         if (qla2x00_rff_id(vha, FC4_TYPE_FCP_SCSI)) {
5462                                 /* EMPTY */
5463                                 ql_dbg(ql_dbg_disc, vha, 0x209a,
5464                                     "Register FC-4 Features failed.\n");
5465                                 if (test_bit(LOOP_RESYNC_NEEDED,
5466                                     &vha->dpc_flags))
5467                                         break;
5468                         }
5469                         if (vha->flags.nvme_enabled) {
5470                                 if (qla2x00_rff_id(vha, FC_TYPE_NVME)) {
5471                                         ql_dbg(ql_dbg_disc, vha, 0x2049,
5472                                             "Register NVME FC Type Features failed.\n");
5473                                 }
5474                         }
5475                         if (qla2x00_rnn_id(vha)) {
5476                                 /* EMPTY */
5477                                 ql_dbg(ql_dbg_disc, vha, 0x2104,
5478                                     "Register Node Name failed.\n");
5479                                 if (test_bit(LOOP_RESYNC_NEEDED,
5480                                     &vha->dpc_flags))
5481                                         break;
5482                         } else if (qla2x00_rsnn_nn(vha)) {
5483                                 /* EMPTY */
5484                                 ql_dbg(ql_dbg_disc, vha, 0x209b,
5485                                     "Register Symbolic Node Name failed.\n");
5486                                 if (test_bit(LOOP_RESYNC_NEEDED, &vha->dpc_flags))
5487                                         break;
5488                         }
5489                 }
5490
5491
5492                 /* Mark the time right before querying FW for connected ports.
5493                  * This process is long, asynchronous and by the time it's done,
5494                  * collected information might not be accurate anymore. E.g.
5495                  * disconnected port might have re-connected and a brand new
5496                  * session has been created. In this case session's generation
5497                  * will be newer than discovery_gen. */
5498                 qlt_do_generation_tick(vha, &discovery_gen);
5499
5500                 if (USE_ASYNC_SCAN(ha)) {
5501                         rval = qla24xx_async_gpnft(vha, FC4_TYPE_FCP_SCSI,
5502                             NULL);
5503                         if (rval)
5504                                 set_bit(LOOP_RESYNC_NEEDED, &vha->dpc_flags);
5505                 } else  {
5506                         list_for_each_entry(fcport, &vha->vp_fcports, list)
5507                                 fcport->scan_state = QLA_FCPORT_SCAN;
5508
5509                         rval = qla2x00_find_all_fabric_devs(vha);
5510                 }
5511                 if (rval != QLA_SUCCESS)
5512                         break;
5513         } while (0);
5514
5515         if (!vha->nvme_local_port && vha->flags.nvme_enabled)
5516                 qla_nvme_register_hba(vha);
5517
5518         if (rval)
5519                 ql_dbg(ql_dbg_disc, vha, 0x2068,
5520                     "Configure fabric error exit rval=%d.\n", rval);
5521
5522         return (rval);
5523 }
5524
5525 /*
5526  * qla2x00_find_all_fabric_devs
5527  *
5528  * Input:
5529  *      ha = adapter block pointer.
5530  *      dev = database device entry pointer.
5531  *
5532  * Returns:
5533  *      0 = success.
5534  *
5535  * Context:
5536  *      Kernel context.
5537  */
5538 static int
5539 qla2x00_find_all_fabric_devs(scsi_qla_host_t *vha)
5540 {
5541         int             rval;
5542         uint16_t        loop_id;
5543         fc_port_t       *fcport, *new_fcport;
5544         int             found;
5545
5546         sw_info_t       *swl;
5547         int             swl_idx;
5548         int             first_dev, last_dev;
5549         port_id_t       wrap = {}, nxt_d_id;
5550         struct qla_hw_data *ha = vha->hw;
5551         struct scsi_qla_host *base_vha = pci_get_drvdata(ha->pdev);
5552         unsigned long flags;
5553
5554         rval = QLA_SUCCESS;
5555
5556         /* Try GID_PT to get device list, else GAN. */
5557         if (!ha->swl)
5558                 ha->swl = kcalloc(ha->max_fibre_devices, sizeof(sw_info_t),
5559                     GFP_KERNEL);
5560         swl = ha->swl;
5561         if (!swl) {
5562                 /*EMPTY*/
5563                 ql_dbg(ql_dbg_disc, vha, 0x209c,
5564                     "GID_PT allocations failed, fallback on GA_NXT.\n");
5565         } else {
5566                 memset(swl, 0, ha->max_fibre_devices * sizeof(sw_info_t));
5567                 if (qla2x00_gid_pt(vha, swl) != QLA_SUCCESS) {
5568                         swl = NULL;
5569                         if (test_bit(LOOP_RESYNC_NEEDED, &vha->dpc_flags))
5570                                 return rval;
5571                 } else if (qla2x00_gpn_id(vha, swl) != QLA_SUCCESS) {
5572                         swl = NULL;
5573                         if (test_bit(LOOP_RESYNC_NEEDED, &vha->dpc_flags))
5574                                 return rval;
5575                 } else if (qla2x00_gnn_id(vha, swl) != QLA_SUCCESS) {
5576                         swl = NULL;
5577                         if (test_bit(LOOP_RESYNC_NEEDED, &vha->dpc_flags))
5578                                 return rval;
5579                 } else if (qla2x00_gfpn_id(vha, swl) != QLA_SUCCESS) {
5580                         swl = NULL;
5581                         if (test_bit(LOOP_RESYNC_NEEDED, &vha->dpc_flags))
5582                                 return rval;
5583                 }
5584
5585                 /* If other queries succeeded probe for FC-4 type */
5586                 if (swl) {
5587                         qla2x00_gff_id(vha, swl);
5588                         if (test_bit(LOOP_RESYNC_NEEDED, &vha->dpc_flags))
5589                                 return rval;
5590                 }
5591         }
5592         swl_idx = 0;
5593
5594         /* Allocate temporary fcport for any new fcports discovered. */
5595         new_fcport = qla2x00_alloc_fcport(vha, GFP_KERNEL);
5596         if (new_fcport == NULL) {
5597                 ql_log(ql_log_warn, vha, 0x209d,
5598                     "Failed to allocate memory for fcport.\n");
5599                 return (QLA_MEMORY_ALLOC_FAILED);
5600         }
5601         new_fcport->flags |= (FCF_FABRIC_DEVICE | FCF_LOGIN_NEEDED);
5602         /* Set start port ID scan at adapter ID. */
5603         first_dev = 1;
5604         last_dev = 0;
5605
5606         /* Starting free loop ID. */
5607         loop_id = ha->min_external_loopid;
5608         for (; loop_id <= ha->max_loop_id; loop_id++) {
5609                 if (qla2x00_is_reserved_id(vha, loop_id))
5610                         continue;
5611
5612                 if (ha->current_topology == ISP_CFG_FL &&
5613                     (atomic_read(&vha->loop_down_timer) ||
5614                      LOOP_TRANSITION(vha))) {
5615                         atomic_set(&vha->loop_down_timer, 0);
5616                         set_bit(LOOP_RESYNC_NEEDED, &vha->dpc_flags);
5617                         set_bit(LOCAL_LOOP_UPDATE, &vha->dpc_flags);
5618                         break;
5619                 }
5620
5621                 if (swl != NULL) {
5622                         if (last_dev) {
5623                                 wrap.b24 = new_fcport->d_id.b24;
5624                         } else {
5625                                 new_fcport->d_id.b24 = swl[swl_idx].d_id.b24;
5626                                 memcpy(new_fcport->node_name,
5627                                     swl[swl_idx].node_name, WWN_SIZE);
5628                                 memcpy(new_fcport->port_name,
5629                                     swl[swl_idx].port_name, WWN_SIZE);
5630                                 memcpy(new_fcport->fabric_port_name,
5631                                     swl[swl_idx].fabric_port_name, WWN_SIZE);
5632                                 new_fcport->fp_speed = swl[swl_idx].fp_speed;
5633                                 new_fcport->fc4_type = swl[swl_idx].fc4_type;
5634
5635                                 new_fcport->nvme_flag = 0;
5636                                 new_fcport->fc4f_nvme = 0;
5637                                 if (vha->flags.nvme_enabled &&
5638                                     swl[swl_idx].fc4f_nvme) {
5639                                         new_fcport->fc4f_nvme =
5640                                             swl[swl_idx].fc4f_nvme;
5641                                         ql_log(ql_log_info, vha, 0x2131,
5642                                             "FOUND: NVME port %8phC as FC Type 28h\n",
5643                                             new_fcport->port_name);
5644                                 }
5645
5646                                 if (swl[swl_idx].d_id.b.rsvd_1 != 0) {
5647                                         last_dev = 1;
5648                                 }
5649                                 swl_idx++;
5650                         }
5651                 } else {
5652                         /* Send GA_NXT to the switch */
5653                         rval = qla2x00_ga_nxt(vha, new_fcport);
5654                         if (rval != QLA_SUCCESS) {
5655                                 ql_log(ql_log_warn, vha, 0x209e,
5656                                     "SNS scan failed -- assuming "
5657                                     "zero-entry result.\n");
5658                                 rval = QLA_SUCCESS;
5659                                 break;
5660                         }
5661                 }
5662
5663                 /* If wrap on switch device list, exit. */
5664                 if (first_dev) {
5665                         wrap.b24 = new_fcport->d_id.b24;
5666                         first_dev = 0;
5667                 } else if (new_fcport->d_id.b24 == wrap.b24) {
5668                         ql_dbg(ql_dbg_disc, vha, 0x209f,
5669                             "Device wrap (%02x%02x%02x).\n",
5670                             new_fcport->d_id.b.domain,
5671                             new_fcport->d_id.b.area,
5672                             new_fcport->d_id.b.al_pa);
5673                         break;
5674                 }
5675
5676                 /* Bypass if same physical adapter. */
5677                 if (new_fcport->d_id.b24 == base_vha->d_id.b24)
5678                         continue;
5679
5680                 /* Bypass virtual ports of the same host. */
5681                 if (qla2x00_is_a_vp_did(vha, new_fcport->d_id.b24))
5682                         continue;
5683
5684                 /* Bypass if same domain and area of adapter. */
5685                 if (((new_fcport->d_id.b24 & 0xffff00) ==
5686                     (vha->d_id.b24 & 0xffff00)) && ha->current_topology ==
5687                         ISP_CFG_FL)
5688                             continue;
5689
5690                 /* Bypass reserved domain fields. */
5691                 if ((new_fcport->d_id.b.domain & 0xf0) == 0xf0)
5692                         continue;
5693
5694                 /* Bypass ports whose FCP-4 type is not FCP_SCSI */
5695                 if (ql2xgffidenable &&
5696                     (new_fcport->fc4_type != FC4_TYPE_FCP_SCSI &&
5697                     new_fcport->fc4_type != FC4_TYPE_UNKNOWN))
5698                         continue;
5699
5700                 spin_lock_irqsave(&vha->hw->tgt.sess_lock, flags);
5701
5702                 /* Locate matching device in database. */
5703                 found = 0;
5704                 list_for_each_entry(fcport, &vha->vp_fcports, list) {
5705                         if (memcmp(new_fcport->port_name, fcport->port_name,
5706                             WWN_SIZE))
5707                                 continue;
5708
5709                         fcport->scan_state = QLA_FCPORT_FOUND;
5710
5711                         found++;
5712
5713                         /* Update port state. */
5714                         memcpy(fcport->fabric_port_name,
5715                             new_fcport->fabric_port_name, WWN_SIZE);
5716                         fcport->fp_speed = new_fcport->fp_speed;
5717
5718                         /*
5719                          * If address the same and state FCS_ONLINE
5720                          * (or in target mode), nothing changed.
5721                          */
5722                         if (fcport->d_id.b24 == new_fcport->d_id.b24 &&
5723                             (atomic_read(&fcport->state) == FCS_ONLINE ||
5724                              (vha->host->active_mode == MODE_TARGET))) {
5725                                 break;
5726                         }
5727
5728                         /*
5729                          * If device was not a fabric device before.
5730                          */
5731                         if ((fcport->flags & FCF_FABRIC_DEVICE) == 0) {
5732                                 fcport->d_id.b24 = new_fcport->d_id.b24;
5733                                 qla2x00_clear_loop_id(fcport);
5734                                 fcport->flags |= (FCF_FABRIC_DEVICE |
5735                                     FCF_LOGIN_NEEDED);
5736                                 break;
5737                         }
5738
5739                         /*
5740                          * Port ID changed or device was marked to be updated;
5741                          * Log it out if still logged in and mark it for
5742                          * relogin later.
5743                          */
5744                         if (qla_tgt_mode_enabled(base_vha)) {
5745                                 ql_dbg(ql_dbg_tgt_mgt, vha, 0xf080,
5746                                          "port changed FC ID, %8phC"
5747                                          " old %x:%x:%x (loop_id 0x%04x)-> new %x:%x:%x\n",
5748                                          fcport->port_name,
5749                                          fcport->d_id.b.domain,
5750                                          fcport->d_id.b.area,
5751                                          fcport->d_id.b.al_pa,
5752                                          fcport->loop_id,
5753                                          new_fcport->d_id.b.domain,
5754                                          new_fcport->d_id.b.area,
5755                                          new_fcport->d_id.b.al_pa);
5756                                 fcport->d_id.b24 = new_fcport->d_id.b24;
5757                                 break;
5758                         }
5759
5760                         fcport->d_id.b24 = new_fcport->d_id.b24;
5761                         fcport->flags |= FCF_LOGIN_NEEDED;
5762                         break;
5763                 }
5764
5765                 if (fcport->fc4f_nvme) {
5766                         if (fcport->disc_state == DSC_DELETE_PEND) {
5767                                 fcport->disc_state = DSC_GNL;
5768                                 vha->fcport_count--;
5769                                 fcport->login_succ = 0;
5770                         }
5771                 }
5772
5773                 if (found) {
5774                         spin_unlock_irqrestore(&vha->hw->tgt.sess_lock, flags);
5775                         continue;
5776                 }
5777                 /* If device was not in our fcports list, then add it. */
5778                 new_fcport->scan_state = QLA_FCPORT_FOUND;
5779                 list_add_tail(&new_fcport->list, &vha->vp_fcports);
5780
5781                 spin_unlock_irqrestore(&vha->hw->tgt.sess_lock, flags);
5782
5783
5784                 /* Allocate a new replacement fcport. */
5785                 nxt_d_id.b24 = new_fcport->d_id.b24;
5786                 new_fcport = qla2x00_alloc_fcport(vha, GFP_KERNEL);
5787                 if (new_fcport == NULL) {
5788                         ql_log(ql_log_warn, vha, 0xd032,
5789                             "Memory allocation failed for fcport.\n");
5790                         return (QLA_MEMORY_ALLOC_FAILED);
5791                 }
5792                 new_fcport->flags |= (FCF_FABRIC_DEVICE | FCF_LOGIN_NEEDED);
5793                 new_fcport->d_id.b24 = nxt_d_id.b24;
5794         }
5795
5796         qla2x00_free_fcport(new_fcport);
5797
5798         /*
5799          * Logout all previous fabric dev marked lost, except FCP2 devices.
5800          */
5801         list_for_each_entry(fcport, &vha->vp_fcports, list) {
5802                 if (test_bit(LOOP_RESYNC_NEEDED, &vha->dpc_flags))
5803                         break;
5804
5805                 if ((fcport->flags & FCF_FABRIC_DEVICE) == 0 ||
5806                     (fcport->flags & FCF_LOGIN_NEEDED) == 0)
5807                         continue;
5808
5809                 if (fcport->scan_state == QLA_FCPORT_SCAN) {
5810                         if ((qla_dual_mode_enabled(vha) ||
5811                             qla_ini_mode_enabled(vha)) &&
5812                             atomic_read(&fcport->state) == FCS_ONLINE) {
5813                                 qla2x00_mark_device_lost(vha, fcport,
5814                                         ql2xplogiabsentdevice, 0);
5815                                 if (fcport->loop_id != FC_NO_LOOP_ID &&
5816                                     (fcport->flags & FCF_FCP2_DEVICE) == 0 &&
5817                                     fcport->port_type != FCT_INITIATOR &&
5818                                     fcport->port_type != FCT_BROADCAST) {
5819                                         ql_dbg(ql_dbg_disc, vha, 0x20f0,
5820                                             "%s %d %8phC post del sess\n",
5821                                             __func__, __LINE__,
5822                                             fcport->port_name);
5823                                         qlt_schedule_sess_for_deletion(fcport);
5824                                         continue;
5825                                 }
5826                         }
5827                 }
5828
5829                 if (fcport->scan_state == QLA_FCPORT_FOUND)
5830                         qla24xx_fcport_handle_login(vha, fcport);
5831         }
5832         return (rval);
5833 }
5834
5835 /*
5836  * qla2x00_find_new_loop_id
5837  *      Scan through our port list and find a new usable loop ID.
5838  *
5839  * Input:
5840  *      ha:     adapter state pointer.
5841  *      dev:    port structure pointer.
5842  *
5843  * Returns:
5844  *      qla2x00 local function return status code.
5845  *
5846  * Context:
5847  *      Kernel context.
5848  */
5849 int
5850 qla2x00_find_new_loop_id(scsi_qla_host_t *vha, fc_port_t *dev)
5851 {
5852         int     rval;
5853         struct qla_hw_data *ha = vha->hw;
5854         unsigned long flags = 0;
5855
5856         rval = QLA_SUCCESS;
5857
5858         spin_lock_irqsave(&ha->vport_slock, flags);
5859
5860         dev->loop_id = find_first_zero_bit(ha->loop_id_map,
5861             LOOPID_MAP_SIZE);
5862         if (dev->loop_id >= LOOPID_MAP_SIZE ||
5863             qla2x00_is_reserved_id(vha, dev->loop_id)) {
5864                 dev->loop_id = FC_NO_LOOP_ID;
5865                 rval = QLA_FUNCTION_FAILED;
5866         } else
5867                 set_bit(dev->loop_id, ha->loop_id_map);
5868
5869         spin_unlock_irqrestore(&ha->vport_slock, flags);
5870
5871         if (rval == QLA_SUCCESS)
5872                 ql_dbg(ql_dbg_disc, dev->vha, 0x2086,
5873                     "Assigning new loopid=%x, portid=%x.\n",
5874                     dev->loop_id, dev->d_id.b24);
5875         else
5876                 ql_log(ql_log_warn, dev->vha, 0x2087,
5877                     "No loop_id's available, portid=%x.\n",
5878                     dev->d_id.b24);
5879
5880         return (rval);
5881 }
5882
5883
5884 /* FW does not set aside Loop id for MGMT Server/FFFFFAh */
5885 int
5886 qla2x00_reserve_mgmt_server_loop_id(scsi_qla_host_t *vha)
5887 {
5888         int loop_id = FC_NO_LOOP_ID;
5889         int lid = NPH_MGMT_SERVER - vha->vp_idx;
5890         unsigned long flags;
5891         struct qla_hw_data *ha = vha->hw;
5892
5893         if (vha->vp_idx == 0) {
5894                 set_bit(NPH_MGMT_SERVER, ha->loop_id_map);
5895                 return NPH_MGMT_SERVER;
5896         }
5897
5898         /* pick id from high and work down to low */
5899         spin_lock_irqsave(&ha->vport_slock, flags);
5900         for (; lid > 0; lid--) {
5901                 if (!test_bit(lid, vha->hw->loop_id_map)) {
5902                         set_bit(lid, vha->hw->loop_id_map);
5903                         loop_id = lid;
5904                         break;
5905                 }
5906         }
5907         spin_unlock_irqrestore(&ha->vport_slock, flags);
5908
5909         return loop_id;
5910 }
5911
5912 /*
5913  * qla2x00_fabric_login
5914  *      Issue fabric login command.
5915  *
5916  * Input:
5917  *      ha = adapter block pointer.
5918  *      device = pointer to FC device type structure.
5919  *
5920  * Returns:
5921  *      0 - Login successfully
5922  *      1 - Login failed
5923  *      2 - Initiator device
5924  *      3 - Fatal error
5925  */
5926 int
5927 qla2x00_fabric_login(scsi_qla_host_t *vha, fc_port_t *fcport,
5928     uint16_t *next_loopid)
5929 {
5930         int     rval;
5931         int     retry;
5932         uint16_t tmp_loopid;
5933         uint16_t mb[MAILBOX_REGISTER_COUNT];
5934         struct qla_hw_data *ha = vha->hw;
5935
5936         retry = 0;
5937         tmp_loopid = 0;
5938
5939         for (;;) {
5940                 ql_dbg(ql_dbg_disc, vha, 0x2000,
5941                     "Trying Fabric Login w/loop id 0x%04x for port "
5942                     "%02x%02x%02x.\n",
5943                     fcport->loop_id, fcport->d_id.b.domain,
5944                     fcport->d_id.b.area, fcport->d_id.b.al_pa);
5945
5946                 /* Login fcport on switch. */
5947                 rval = ha->isp_ops->fabric_login(vha, fcport->loop_id,
5948                     fcport->d_id.b.domain, fcport->d_id.b.area,
5949                     fcport->d_id.b.al_pa, mb, BIT_0);
5950                 if (rval != QLA_SUCCESS) {
5951                         return rval;
5952                 }
5953                 if (mb[0] == MBS_PORT_ID_USED) {
5954                         /*
5955                          * Device has another loop ID.  The firmware team
5956                          * recommends the driver perform an implicit login with
5957                          * the specified ID again. The ID we just used is save
5958                          * here so we return with an ID that can be tried by
5959                          * the next login.
5960                          */
5961                         retry++;
5962                         tmp_loopid = fcport->loop_id;
5963                         fcport->loop_id = mb[1];
5964
5965                         ql_dbg(ql_dbg_disc, vha, 0x2001,
5966                             "Fabric Login: port in use - next loop "
5967                             "id=0x%04x, port id= %02x%02x%02x.\n",
5968                             fcport->loop_id, fcport->d_id.b.domain,
5969                             fcport->d_id.b.area, fcport->d_id.b.al_pa);
5970
5971                 } else if (mb[0] == MBS_COMMAND_COMPLETE) {
5972                         /*
5973                          * Login succeeded.
5974                          */
5975                         if (retry) {
5976                                 /* A retry occurred before. */
5977                                 *next_loopid = tmp_loopid;
5978                         } else {
5979                                 /*
5980                                  * No retry occurred before. Just increment the
5981                                  * ID value for next login.
5982                                  */
5983                                 *next_loopid = (fcport->loop_id + 1);
5984                         }
5985
5986                         if (mb[1] & BIT_0) {
5987                                 fcport->port_type = FCT_INITIATOR;
5988                         } else {
5989                                 fcport->port_type = FCT_TARGET;
5990                                 if (mb[1] & BIT_1) {
5991                                         fcport->flags |= FCF_FCP2_DEVICE;
5992                                 }
5993                         }
5994
5995                         if (mb[10] & BIT_0)
5996                                 fcport->supported_classes |= FC_COS_CLASS2;
5997                         if (mb[10] & BIT_1)
5998                                 fcport->supported_classes |= FC_COS_CLASS3;
5999
6000                         if (IS_FWI2_CAPABLE(ha)) {
6001                                 if (mb[10] & BIT_7)
6002                                         fcport->flags |=
6003                                             FCF_CONF_COMP_SUPPORTED;
6004                         }
6005
6006                         rval = QLA_SUCCESS;
6007                         break;
6008                 } else if (mb[0] == MBS_LOOP_ID_USED) {
6009                         /*
6010                          * Loop ID already used, try next loop ID.
6011                          */
6012                         fcport->loop_id++;
6013                         rval = qla2x00_find_new_loop_id(vha, fcport);
6014                         if (rval != QLA_SUCCESS) {
6015                                 /* Ran out of loop IDs to use */
6016                                 break;
6017                         }
6018                 } else if (mb[0] == MBS_COMMAND_ERROR) {
6019                         /*
6020                          * Firmware possibly timed out during login. If NO
6021                          * retries are left to do then the device is declared
6022                          * dead.
6023                          */
6024                         *next_loopid = fcport->loop_id;
6025                         ha->isp_ops->fabric_logout(vha, fcport->loop_id,
6026                             fcport->d_id.b.domain, fcport->d_id.b.area,
6027                             fcport->d_id.b.al_pa);
6028                         qla2x00_mark_device_lost(vha, fcport, 1, 0);
6029
6030                         rval = 1;
6031                         break;
6032                 } else {
6033                         /*
6034                          * unrecoverable / not handled error
6035                          */
6036                         ql_dbg(ql_dbg_disc, vha, 0x2002,
6037                             "Failed=%x port_id=%02x%02x%02x loop_id=%x "
6038                             "jiffies=%lx.\n", mb[0], fcport->d_id.b.domain,
6039                             fcport->d_id.b.area, fcport->d_id.b.al_pa,
6040                             fcport->loop_id, jiffies);
6041
6042                         *next_loopid = fcport->loop_id;
6043                         ha->isp_ops->fabric_logout(vha, fcport->loop_id,
6044                             fcport->d_id.b.domain, fcport->d_id.b.area,
6045                             fcport->d_id.b.al_pa);
6046                         qla2x00_clear_loop_id(fcport);
6047                         fcport->login_retry = 0;
6048
6049                         rval = 3;
6050                         break;
6051                 }
6052         }
6053
6054         return (rval);
6055 }
6056
6057 /*
6058  * qla2x00_local_device_login
6059  *      Issue local device login command.
6060  *
6061  * Input:
6062  *      ha = adapter block pointer.
6063  *      loop_id = loop id of device to login to.
6064  *
6065  * Returns (Where's the #define!!!!):
6066  *      0 - Login successfully
6067  *      1 - Login failed
6068  *      3 - Fatal error
6069  */
6070 int
6071 qla2x00_local_device_login(scsi_qla_host_t *vha, fc_port_t *fcport)
6072 {
6073         int             rval;
6074         uint16_t        mb[MAILBOX_REGISTER_COUNT];
6075
6076         memset(mb, 0, sizeof(mb));
6077         rval = qla2x00_login_local_device(vha, fcport, mb, BIT_0);
6078         if (rval == QLA_SUCCESS) {
6079                 /* Interrogate mailbox registers for any errors */
6080                 if (mb[0] == MBS_COMMAND_ERROR)
6081                         rval = 1;
6082                 else if (mb[0] == MBS_COMMAND_PARAMETER_ERROR)
6083                         /* device not in PCB table */
6084                         rval = 3;
6085         }
6086
6087         return (rval);
6088 }
6089
6090 /*
6091  *  qla2x00_loop_resync
6092  *      Resync with fibre channel devices.
6093  *
6094  * Input:
6095  *      ha = adapter block pointer.
6096  *
6097  * Returns:
6098  *      0 = success
6099  */
6100 int
6101 qla2x00_loop_resync(scsi_qla_host_t *vha)
6102 {
6103         int rval = QLA_SUCCESS;
6104         uint32_t wait_time;
6105         struct req_que *req;
6106         struct rsp_que *rsp;
6107
6108         req = vha->req;
6109         rsp = req->rsp;
6110
6111         clear_bit(ISP_ABORT_RETRY, &vha->dpc_flags);
6112         if (vha->flags.online) {
6113                 if (!(rval = qla2x00_fw_ready(vha))) {
6114                         /* Wait at most MAX_TARGET RSCNs for a stable link. */
6115                         wait_time = 256;
6116                         do {
6117                                 if (!IS_QLAFX00(vha->hw)) {
6118                                         /*
6119                                          * Issue a marker after FW becomes
6120                                          * ready.
6121                                          */
6122                                         qla2x00_marker(vha, req, rsp, 0, 0,
6123                                                 MK_SYNC_ALL);
6124                                         vha->marker_needed = 0;
6125                                 }
6126
6127                                 /* Remap devices on Loop. */
6128                                 clear_bit(LOOP_RESYNC_NEEDED, &vha->dpc_flags);
6129
6130                                 if (IS_QLAFX00(vha->hw))
6131                                         qlafx00_configure_devices(vha);
6132                                 else
6133                                         qla2x00_configure_loop(vha);
6134
6135                                 wait_time--;
6136                         } while (!atomic_read(&vha->loop_down_timer) &&
6137                                 !(test_bit(ISP_ABORT_NEEDED, &vha->dpc_flags))
6138                                 && wait_time && (test_bit(LOOP_RESYNC_NEEDED,
6139                                 &vha->dpc_flags)));
6140                 }
6141         }
6142
6143         if (test_bit(ISP_ABORT_NEEDED, &vha->dpc_flags))
6144                 return (QLA_FUNCTION_FAILED);
6145
6146         if (rval)
6147                 ql_dbg(ql_dbg_disc, vha, 0x206c,
6148                     "%s *** FAILED ***.\n", __func__);
6149
6150         return (rval);
6151 }
6152
6153 /*
6154 * qla2x00_perform_loop_resync
6155 * Description: This function will set the appropriate flags and call
6156 *              qla2x00_loop_resync. If successful loop will be resynced
6157 * Arguments : scsi_qla_host_t pointer
6158 * returm    : Success or Failure
6159 */
6160
6161 int qla2x00_perform_loop_resync(scsi_qla_host_t *ha)
6162 {
6163         int32_t rval = 0;
6164
6165         if (!test_and_set_bit(LOOP_RESYNC_ACTIVE, &ha->dpc_flags)) {
6166                 /*Configure the flags so that resync happens properly*/
6167                 atomic_set(&ha->loop_down_timer, 0);
6168                 if (!(ha->device_flags & DFLG_NO_CABLE)) {
6169                         atomic_set(&ha->loop_state, LOOP_UP);
6170                         set_bit(LOCAL_LOOP_UPDATE, &ha->dpc_flags);
6171                         set_bit(REGISTER_FC4_NEEDED, &ha->dpc_flags);
6172                         set_bit(LOOP_RESYNC_NEEDED, &ha->dpc_flags);
6173
6174                         rval = qla2x00_loop_resync(ha);
6175                 } else
6176                         atomic_set(&ha->loop_state, LOOP_DEAD);
6177
6178                 clear_bit(LOOP_RESYNC_ACTIVE, &ha->dpc_flags);
6179         }
6180
6181         return rval;
6182 }
6183
6184 void
6185 qla2x00_update_fcports(scsi_qla_host_t *base_vha)
6186 {
6187         fc_port_t *fcport;
6188         struct scsi_qla_host *vha;
6189         struct qla_hw_data *ha = base_vha->hw;
6190         unsigned long flags;
6191
6192         spin_lock_irqsave(&ha->vport_slock, flags);
6193         /* Go with deferred removal of rport references. */
6194         list_for_each_entry(vha, &base_vha->hw->vp_list, list) {
6195                 atomic_inc(&vha->vref_count);
6196                 list_for_each_entry(fcport, &vha->vp_fcports, list) {
6197                         if (fcport->drport &&
6198                             atomic_read(&fcport->state) != FCS_UNCONFIGURED) {
6199                                 spin_unlock_irqrestore(&ha->vport_slock, flags);
6200                                 qla2x00_rport_del(fcport);
6201
6202                                 spin_lock_irqsave(&ha->vport_slock, flags);
6203                         }
6204                 }
6205                 atomic_dec(&vha->vref_count);
6206                 wake_up(&vha->vref_waitq);
6207         }
6208         spin_unlock_irqrestore(&ha->vport_slock, flags);
6209 }
6210
6211 /* Assumes idc_lock always held on entry */
6212 void
6213 qla83xx_reset_ownership(scsi_qla_host_t *vha)
6214 {
6215         struct qla_hw_data *ha = vha->hw;
6216         uint32_t drv_presence, drv_presence_mask;
6217         uint32_t dev_part_info1, dev_part_info2, class_type;
6218         uint32_t class_type_mask = 0x3;
6219         uint16_t fcoe_other_function = 0xffff, i;
6220
6221         if (IS_QLA8044(ha)) {
6222                 drv_presence = qla8044_rd_direct(vha,
6223                     QLA8044_CRB_DRV_ACTIVE_INDEX);
6224                 dev_part_info1 = qla8044_rd_direct(vha,
6225                     QLA8044_CRB_DEV_PART_INFO_INDEX);
6226                 dev_part_info2 = qla8044_rd_direct(vha,
6227                     QLA8044_CRB_DEV_PART_INFO2);
6228         } else {
6229                 qla83xx_rd_reg(vha, QLA83XX_IDC_DRV_PRESENCE, &drv_presence);
6230                 qla83xx_rd_reg(vha, QLA83XX_DEV_PARTINFO1, &dev_part_info1);
6231                 qla83xx_rd_reg(vha, QLA83XX_DEV_PARTINFO2, &dev_part_info2);
6232         }
6233         for (i = 0; i < 8; i++) {
6234                 class_type = ((dev_part_info1 >> (i * 4)) & class_type_mask);
6235                 if ((class_type == QLA83XX_CLASS_TYPE_FCOE) &&
6236                     (i != ha->portnum)) {
6237                         fcoe_other_function = i;
6238                         break;
6239                 }
6240         }
6241         if (fcoe_other_function == 0xffff) {
6242                 for (i = 0; i < 8; i++) {
6243                         class_type = ((dev_part_info2 >> (i * 4)) &
6244                             class_type_mask);
6245                         if ((class_type == QLA83XX_CLASS_TYPE_FCOE) &&
6246                             ((i + 8) != ha->portnum)) {
6247                                 fcoe_other_function = i + 8;
6248                                 break;
6249                         }
6250                 }
6251         }
6252         /*
6253          * Prepare drv-presence mask based on fcoe functions present.
6254          * However consider only valid physical fcoe function numbers (0-15).
6255          */
6256         drv_presence_mask = ~((1 << (ha->portnum)) |
6257                         ((fcoe_other_function == 0xffff) ?
6258                          0 : (1 << (fcoe_other_function))));
6259
6260         /* We are the reset owner iff:
6261          *    - No other protocol drivers present.
6262          *    - This is the lowest among fcoe functions. */
6263         if (!(drv_presence & drv_presence_mask) &&
6264                         (ha->portnum < fcoe_other_function)) {
6265                 ql_dbg(ql_dbg_p3p, vha, 0xb07f,
6266                     "This host is Reset owner.\n");
6267                 ha->flags.nic_core_reset_owner = 1;
6268         }
6269 }
6270
6271 static int
6272 __qla83xx_set_drv_ack(scsi_qla_host_t *vha)
6273 {
6274         int rval = QLA_SUCCESS;
6275         struct qla_hw_data *ha = vha->hw;
6276         uint32_t drv_ack;
6277
6278         rval = qla83xx_rd_reg(vha, QLA83XX_IDC_DRIVER_ACK, &drv_ack);
6279         if (rval == QLA_SUCCESS) {
6280                 drv_ack |= (1 << ha->portnum);
6281                 rval = qla83xx_wr_reg(vha, QLA83XX_IDC_DRIVER_ACK, drv_ack);
6282         }
6283
6284         return rval;
6285 }
6286
6287 static int
6288 __qla83xx_clear_drv_ack(scsi_qla_host_t *vha)
6289 {
6290         int rval = QLA_SUCCESS;
6291         struct qla_hw_data *ha = vha->hw;
6292         uint32_t drv_ack;
6293
6294         rval = qla83xx_rd_reg(vha, QLA83XX_IDC_DRIVER_ACK, &drv_ack);
6295         if (rval == QLA_SUCCESS) {
6296                 drv_ack &= ~(1 << ha->portnum);
6297                 rval = qla83xx_wr_reg(vha, QLA83XX_IDC_DRIVER_ACK, drv_ack);
6298         }
6299
6300         return rval;
6301 }
6302
6303 static const char *
6304 qla83xx_dev_state_to_string(uint32_t dev_state)
6305 {
6306         switch (dev_state) {
6307         case QLA8XXX_DEV_COLD:
6308                 return "COLD/RE-INIT";
6309         case QLA8XXX_DEV_INITIALIZING:
6310                 return "INITIALIZING";
6311         case QLA8XXX_DEV_READY:
6312                 return "READY";
6313         case QLA8XXX_DEV_NEED_RESET:
6314                 return "NEED RESET";
6315         case QLA8XXX_DEV_NEED_QUIESCENT:
6316                 return "NEED QUIESCENT";
6317         case QLA8XXX_DEV_FAILED:
6318                 return "FAILED";
6319         case QLA8XXX_DEV_QUIESCENT:
6320                 return "QUIESCENT";
6321         default:
6322                 return "Unknown";
6323         }
6324 }
6325
6326 /* Assumes idc-lock always held on entry */
6327 void
6328 qla83xx_idc_audit(scsi_qla_host_t *vha, int audit_type)
6329 {
6330         struct qla_hw_data *ha = vha->hw;
6331         uint32_t idc_audit_reg = 0, duration_secs = 0;
6332
6333         switch (audit_type) {
6334         case IDC_AUDIT_TIMESTAMP:
6335                 ha->idc_audit_ts = (jiffies_to_msecs(jiffies) / 1000);
6336                 idc_audit_reg = (ha->portnum) |
6337                     (IDC_AUDIT_TIMESTAMP << 7) | (ha->idc_audit_ts << 8);
6338                 qla83xx_wr_reg(vha, QLA83XX_IDC_AUDIT, idc_audit_reg);
6339                 break;
6340
6341         case IDC_AUDIT_COMPLETION:
6342                 duration_secs = ((jiffies_to_msecs(jiffies) -
6343                     jiffies_to_msecs(ha->idc_audit_ts)) / 1000);
6344                 idc_audit_reg = (ha->portnum) |
6345                     (IDC_AUDIT_COMPLETION << 7) | (duration_secs << 8);
6346                 qla83xx_wr_reg(vha, QLA83XX_IDC_AUDIT, idc_audit_reg);
6347                 break;
6348
6349         default:
6350                 ql_log(ql_log_warn, vha, 0xb078,
6351                     "Invalid audit type specified.\n");
6352                 break;
6353         }
6354 }
6355
6356 /* Assumes idc_lock always held on entry */
6357 static int
6358 qla83xx_initiating_reset(scsi_qla_host_t *vha)
6359 {
6360         struct qla_hw_data *ha = vha->hw;
6361         uint32_t  idc_control, dev_state;
6362
6363         __qla83xx_get_idc_control(vha, &idc_control);
6364         if ((idc_control & QLA83XX_IDC_RESET_DISABLED)) {
6365                 ql_log(ql_log_info, vha, 0xb080,
6366                     "NIC Core reset has been disabled. idc-control=0x%x\n",
6367                     idc_control);
6368                 return QLA_FUNCTION_FAILED;
6369         }
6370
6371         /* Set NEED-RESET iff in READY state and we are the reset-owner */
6372         qla83xx_rd_reg(vha, QLA83XX_IDC_DEV_STATE, &dev_state);
6373         if (ha->flags.nic_core_reset_owner && dev_state == QLA8XXX_DEV_READY) {
6374                 qla83xx_wr_reg(vha, QLA83XX_IDC_DEV_STATE,
6375                     QLA8XXX_DEV_NEED_RESET);
6376                 ql_log(ql_log_info, vha, 0xb056, "HW State: NEED RESET.\n");
6377                 qla83xx_idc_audit(vha, IDC_AUDIT_TIMESTAMP);
6378         } else {
6379                 const char *state = qla83xx_dev_state_to_string(dev_state);
6380                 ql_log(ql_log_info, vha, 0xb057, "HW State: %s.\n", state);
6381
6382                 /* SV: XXX: Is timeout required here? */
6383                 /* Wait for IDC state change READY -> NEED_RESET */
6384                 while (dev_state == QLA8XXX_DEV_READY) {
6385                         qla83xx_idc_unlock(vha, 0);
6386                         msleep(200);
6387                         qla83xx_idc_lock(vha, 0);
6388                         qla83xx_rd_reg(vha, QLA83XX_IDC_DEV_STATE, &dev_state);
6389                 }
6390         }
6391
6392         /* Send IDC ack by writing to drv-ack register */
6393         __qla83xx_set_drv_ack(vha);
6394
6395         return QLA_SUCCESS;
6396 }
6397
6398 int
6399 __qla83xx_set_idc_control(scsi_qla_host_t *vha, uint32_t idc_control)
6400 {
6401         return qla83xx_wr_reg(vha, QLA83XX_IDC_CONTROL, idc_control);
6402 }
6403
6404 int
6405 __qla83xx_get_idc_control(scsi_qla_host_t *vha, uint32_t *idc_control)
6406 {
6407         return qla83xx_rd_reg(vha, QLA83XX_IDC_CONTROL, idc_control);
6408 }
6409
6410 static int
6411 qla83xx_check_driver_presence(scsi_qla_host_t *vha)
6412 {
6413         uint32_t drv_presence = 0;
6414         struct qla_hw_data *ha = vha->hw;
6415
6416         qla83xx_rd_reg(vha, QLA83XX_IDC_DRV_PRESENCE, &drv_presence);
6417         if (drv_presence & (1 << ha->portnum))
6418                 return QLA_SUCCESS;
6419         else
6420                 return QLA_TEST_FAILED;
6421 }
6422
6423 int
6424 qla83xx_nic_core_reset(scsi_qla_host_t *vha)
6425 {
6426         int rval = QLA_SUCCESS;
6427         struct qla_hw_data *ha = vha->hw;
6428
6429         ql_dbg(ql_dbg_p3p, vha, 0xb058,
6430             "Entered  %s().\n", __func__);
6431
6432         if (vha->device_flags & DFLG_DEV_FAILED) {
6433                 ql_log(ql_log_warn, vha, 0xb059,
6434                     "Device in unrecoverable FAILED state.\n");
6435                 return QLA_FUNCTION_FAILED;
6436         }
6437
6438         qla83xx_idc_lock(vha, 0);
6439
6440         if (qla83xx_check_driver_presence(vha) != QLA_SUCCESS) {
6441                 ql_log(ql_log_warn, vha, 0xb05a,
6442                     "Function=0x%x has been removed from IDC participation.\n",
6443                     ha->portnum);
6444                 rval = QLA_FUNCTION_FAILED;
6445                 goto exit;
6446         }
6447
6448         qla83xx_reset_ownership(vha);
6449
6450         rval = qla83xx_initiating_reset(vha);
6451
6452         /*
6453          * Perform reset if we are the reset-owner,
6454          * else wait till IDC state changes to READY/FAILED.
6455          */
6456         if (rval == QLA_SUCCESS) {
6457                 rval = qla83xx_idc_state_handler(vha);
6458
6459                 if (rval == QLA_SUCCESS)
6460                         ha->flags.nic_core_hung = 0;
6461                 __qla83xx_clear_drv_ack(vha);
6462         }
6463
6464 exit:
6465         qla83xx_idc_unlock(vha, 0);
6466
6467         ql_dbg(ql_dbg_p3p, vha, 0xb05b, "Exiting %s.\n", __func__);
6468
6469         return rval;
6470 }
6471
6472 int
6473 qla2xxx_mctp_dump(scsi_qla_host_t *vha)
6474 {
6475         struct qla_hw_data *ha = vha->hw;
6476         int rval = QLA_FUNCTION_FAILED;
6477
6478         if (!IS_MCTP_CAPABLE(ha)) {
6479                 /* This message can be removed from the final version */
6480                 ql_log(ql_log_info, vha, 0x506d,
6481                     "This board is not MCTP capable\n");
6482                 return rval;
6483         }
6484
6485         if (!ha->mctp_dump) {
6486                 ha->mctp_dump = dma_alloc_coherent(&ha->pdev->dev,
6487                     MCTP_DUMP_SIZE, &ha->mctp_dump_dma, GFP_KERNEL);
6488
6489                 if (!ha->mctp_dump) {
6490                         ql_log(ql_log_warn, vha, 0x506e,
6491                             "Failed to allocate memory for mctp dump\n");
6492                         return rval;
6493                 }
6494         }
6495
6496 #define MCTP_DUMP_STR_ADDR      0x00000000
6497         rval = qla2x00_dump_mctp_data(vha, ha->mctp_dump_dma,
6498             MCTP_DUMP_STR_ADDR, MCTP_DUMP_SIZE/4);
6499         if (rval != QLA_SUCCESS) {
6500                 ql_log(ql_log_warn, vha, 0x506f,
6501                     "Failed to capture mctp dump\n");
6502         } else {
6503                 ql_log(ql_log_info, vha, 0x5070,
6504                     "Mctp dump capture for host (%ld/%p).\n",
6505                     vha->host_no, ha->mctp_dump);
6506                 ha->mctp_dumped = 1;
6507         }
6508
6509         if (!ha->flags.nic_core_reset_hdlr_active && !ha->portnum) {
6510                 ha->flags.nic_core_reset_hdlr_active = 1;
6511                 rval = qla83xx_restart_nic_firmware(vha);
6512                 if (rval)
6513                         /* NIC Core reset failed. */
6514                         ql_log(ql_log_warn, vha, 0x5071,
6515                             "Failed to restart nic firmware\n");
6516                 else
6517                         ql_dbg(ql_dbg_p3p, vha, 0xb084,
6518                             "Restarted NIC firmware successfully.\n");
6519                 ha->flags.nic_core_reset_hdlr_active = 0;
6520         }
6521
6522         return rval;
6523
6524 }
6525
6526 /*
6527 * qla2x00_quiesce_io
6528 * Description: This function will block the new I/Os
6529 *              Its not aborting any I/Os as context
6530 *              is not destroyed during quiescence
6531 * Arguments: scsi_qla_host_t
6532 * return   : void
6533 */
6534 void
6535 qla2x00_quiesce_io(scsi_qla_host_t *vha)
6536 {
6537         struct qla_hw_data *ha = vha->hw;
6538         struct scsi_qla_host *vp;
6539
6540         ql_dbg(ql_dbg_dpc, vha, 0x401d,
6541             "Quiescing I/O - ha=%p.\n", ha);
6542
6543         atomic_set(&ha->loop_down_timer, LOOP_DOWN_TIME);
6544         if (atomic_read(&vha->loop_state) != LOOP_DOWN) {
6545                 atomic_set(&vha->loop_state, LOOP_DOWN);
6546                 qla2x00_mark_all_devices_lost(vha, 0);
6547                 list_for_each_entry(vp, &ha->vp_list, list)
6548                         qla2x00_mark_all_devices_lost(vp, 0);
6549         } else {
6550                 if (!atomic_read(&vha->loop_down_timer))
6551                         atomic_set(&vha->loop_down_timer,
6552                                         LOOP_DOWN_TIME);
6553         }
6554         /* Wait for pending cmds to complete */
6555         qla2x00_eh_wait_for_pending_commands(vha, 0, 0, WAIT_HOST);
6556 }
6557
6558 void
6559 qla2x00_abort_isp_cleanup(scsi_qla_host_t *vha)
6560 {
6561         struct qla_hw_data *ha = vha->hw;
6562         struct scsi_qla_host *vp;
6563         unsigned long flags;
6564         fc_port_t *fcport;
6565         u16 i;
6566
6567         /* For ISP82XX, driver waits for completion of the commands.
6568          * online flag should be set.
6569          */
6570         if (!(IS_P3P_TYPE(ha)))
6571                 vha->flags.online = 0;
6572         ha->flags.chip_reset_done = 0;
6573         clear_bit(ISP_ABORT_NEEDED, &vha->dpc_flags);
6574         vha->qla_stats.total_isp_aborts++;
6575
6576         ql_log(ql_log_info, vha, 0x00af,
6577             "Performing ISP error recovery - ha=%p.\n", ha);
6578
6579         ha->flags.purge_mbox = 1;
6580         /* For ISP82XX, reset_chip is just disabling interrupts.
6581          * Driver waits for the completion of the commands.
6582          * the interrupts need to be enabled.
6583          */
6584         if (!(IS_P3P_TYPE(ha)))
6585                 ha->isp_ops->reset_chip(vha);
6586
6587         ha->link_data_rate = PORT_SPEED_UNKNOWN;
6588         SAVE_TOPO(ha);
6589         ha->flags.rida_fmt2 = 0;
6590         ha->flags.n2n_ae = 0;
6591         ha->flags.lip_ae = 0;
6592         ha->current_topology = 0;
6593         ha->flags.fw_started = 0;
6594         ha->flags.fw_init_done = 0;
6595         ha->chip_reset++;
6596         ha->base_qpair->chip_reset = ha->chip_reset;
6597         for (i = 0; i < ha->max_qpairs; i++) {
6598                 if (ha->queue_pair_map[i])
6599                         ha->queue_pair_map[i]->chip_reset =
6600                                 ha->base_qpair->chip_reset;
6601         }
6602
6603         /* purge MBox commands */
6604         if (atomic_read(&ha->num_pend_mbx_stage3)) {
6605                 clear_bit(MBX_INTR_WAIT, &ha->mbx_cmd_flags);
6606                 complete(&ha->mbx_intr_comp);
6607         }
6608
6609         i = 0;
6610         while (atomic_read(&ha->num_pend_mbx_stage3) ||
6611             atomic_read(&ha->num_pend_mbx_stage2) ||
6612             atomic_read(&ha->num_pend_mbx_stage1)) {
6613                 msleep(20);
6614                 i++;
6615                 if (i > 50)
6616                         break;
6617         }
6618         ha->flags.purge_mbox = 0;
6619
6620         atomic_set(&vha->loop_down_timer, LOOP_DOWN_TIME);
6621         if (atomic_read(&vha->loop_state) != LOOP_DOWN) {
6622                 atomic_set(&vha->loop_state, LOOP_DOWN);
6623                 qla2x00_mark_all_devices_lost(vha, 0);
6624
6625                 spin_lock_irqsave(&ha->vport_slock, flags);
6626                 list_for_each_entry(vp, &ha->vp_list, list) {
6627                         atomic_inc(&vp->vref_count);
6628                         spin_unlock_irqrestore(&ha->vport_slock, flags);
6629
6630                         qla2x00_mark_all_devices_lost(vp, 0);
6631
6632                         spin_lock_irqsave(&ha->vport_slock, flags);
6633                         atomic_dec(&vp->vref_count);
6634                 }
6635                 spin_unlock_irqrestore(&ha->vport_slock, flags);
6636         } else {
6637                 if (!atomic_read(&vha->loop_down_timer))
6638                         atomic_set(&vha->loop_down_timer,
6639                             LOOP_DOWN_TIME);
6640         }
6641
6642         /* Clear all async request states across all VPs. */
6643         list_for_each_entry(fcport, &vha->vp_fcports, list)
6644                 fcport->flags &= ~(FCF_LOGIN_NEEDED | FCF_ASYNC_SENT);
6645         spin_lock_irqsave(&ha->vport_slock, flags);
6646         list_for_each_entry(vp, &ha->vp_list, list) {
6647                 atomic_inc(&vp->vref_count);
6648                 spin_unlock_irqrestore(&ha->vport_slock, flags);
6649
6650                 list_for_each_entry(fcport, &vp->vp_fcports, list)
6651                         fcport->flags &= ~(FCF_LOGIN_NEEDED | FCF_ASYNC_SENT);
6652
6653                 spin_lock_irqsave(&ha->vport_slock, flags);
6654                 atomic_dec(&vp->vref_count);
6655         }
6656         spin_unlock_irqrestore(&ha->vport_slock, flags);
6657
6658         if (!ha->flags.eeh_busy) {
6659                 /* Make sure for ISP 82XX IO DMA is complete */
6660                 if (IS_P3P_TYPE(ha)) {
6661                         qla82xx_chip_reset_cleanup(vha);
6662                         ql_log(ql_log_info, vha, 0x00b4,
6663                             "Done chip reset cleanup.\n");
6664
6665                         /* Done waiting for pending commands.
6666                          * Reset the online flag.
6667                          */
6668                         vha->flags.online = 0;
6669                 }
6670
6671                 /* Requeue all commands in outstanding command list. */
6672                 qla2x00_abort_all_cmds(vha, DID_RESET << 16);
6673         }
6674         /* memory barrier */
6675         wmb();
6676 }
6677
6678 /*
6679 *  qla2x00_abort_isp
6680 *      Resets ISP and aborts all outstanding commands.
6681 *
6682 * Input:
6683 *      ha           = adapter block pointer.
6684 *
6685 * Returns:
6686 *      0 = success
6687 */
6688 int
6689 qla2x00_abort_isp(scsi_qla_host_t *vha)
6690 {
6691         int rval;
6692         uint8_t        status = 0;
6693         struct qla_hw_data *ha = vha->hw;
6694         struct scsi_qla_host *vp;
6695         struct req_que *req = ha->req_q_map[0];
6696         unsigned long flags;
6697
6698         if (vha->flags.online) {
6699                 qla2x00_abort_isp_cleanup(vha);
6700
6701                 if (IS_QLA8031(ha)) {
6702                         ql_dbg(ql_dbg_p3p, vha, 0xb05c,
6703                             "Clearing fcoe driver presence.\n");
6704                         if (qla83xx_clear_drv_presence(vha) != QLA_SUCCESS)
6705                                 ql_dbg(ql_dbg_p3p, vha, 0xb073,
6706                                     "Error while clearing DRV-Presence.\n");
6707                 }
6708
6709                 if (unlikely(pci_channel_offline(ha->pdev) &&
6710                     ha->flags.pci_channel_io_perm_failure)) {
6711                         clear_bit(ISP_ABORT_RETRY, &vha->dpc_flags);
6712                         status = 0;
6713                         return status;
6714                 }
6715
6716                 switch (vha->qlini_mode) {
6717                 case QLA2XXX_INI_MODE_DISABLED:
6718                         if (!qla_tgt_mode_enabled(vha))
6719                                 return 0;
6720                         break;
6721                 case QLA2XXX_INI_MODE_DUAL:
6722                         if (!qla_dual_mode_enabled(vha))
6723                                 return 0;
6724                         break;
6725                 case QLA2XXX_INI_MODE_ENABLED:
6726                 default:
6727                         break;
6728                 }
6729
6730                 ha->isp_ops->get_flash_version(vha, req->ring);
6731
6732                 ha->isp_ops->nvram_config(vha);
6733
6734                 if (!qla2x00_restart_isp(vha)) {
6735                         clear_bit(RESET_MARKER_NEEDED, &vha->dpc_flags);
6736
6737                         if (!atomic_read(&vha->loop_down_timer)) {
6738                                 /*
6739                                  * Issue marker command only when we are going
6740                                  * to start the I/O .
6741                                  */
6742                                 vha->marker_needed = 1;
6743                         }
6744
6745                         vha->flags.online = 1;
6746
6747                         ha->isp_ops->enable_intrs(ha);
6748
6749                         ha->isp_abort_cnt = 0;
6750                         clear_bit(ISP_ABORT_RETRY, &vha->dpc_flags);
6751
6752                         if (IS_QLA81XX(ha) || IS_QLA8031(ha))
6753                                 qla2x00_get_fw_version(vha);
6754                         if (ha->fce) {
6755                                 ha->flags.fce_enabled = 1;
6756                                 memset(ha->fce, 0,
6757                                     fce_calc_size(ha->fce_bufs));
6758                                 rval = qla2x00_enable_fce_trace(vha,
6759                                     ha->fce_dma, ha->fce_bufs, ha->fce_mb,
6760                                     &ha->fce_bufs);
6761                                 if (rval) {
6762                                         ql_log(ql_log_warn, vha, 0x8033,
6763                                             "Unable to reinitialize FCE "
6764                                             "(%d).\n", rval);
6765                                         ha->flags.fce_enabled = 0;
6766                                 }
6767                         }
6768
6769                         if (ha->eft) {
6770                                 memset(ha->eft, 0, EFT_SIZE);
6771                                 rval = qla2x00_enable_eft_trace(vha,
6772                                     ha->eft_dma, EFT_NUM_BUFFERS);
6773                                 if (rval) {
6774                                         ql_log(ql_log_warn, vha, 0x8034,
6775                                             "Unable to reinitialize EFT "
6776                                             "(%d).\n", rval);
6777                                 }
6778                         }
6779                 } else {        /* failed the ISP abort */
6780                         vha->flags.online = 1;
6781                         if (test_bit(ISP_ABORT_RETRY, &vha->dpc_flags)) {
6782                                 if (ha->isp_abort_cnt == 0) {
6783                                         ql_log(ql_log_fatal, vha, 0x8035,
6784                                             "ISP error recover failed - "
6785                                             "board disabled.\n");
6786                                         /*
6787                                          * The next call disables the board
6788                                          * completely.
6789                                          */
6790                                         qla2x00_abort_isp_cleanup(vha);
6791                                         vha->flags.online = 0;
6792                                         clear_bit(ISP_ABORT_RETRY,
6793                                             &vha->dpc_flags);
6794                                         status = 0;
6795                                 } else { /* schedule another ISP abort */
6796                                         ha->isp_abort_cnt--;
6797                                         ql_dbg(ql_dbg_taskm, vha, 0x8020,
6798                                             "ISP abort - retry remaining %d.\n",
6799                                             ha->isp_abort_cnt);
6800                                         status = 1;
6801                                 }
6802                         } else {
6803                                 ha->isp_abort_cnt = MAX_RETRIES_OF_ISP_ABORT;
6804                                 ql_dbg(ql_dbg_taskm, vha, 0x8021,
6805                                     "ISP error recovery - retrying (%d) "
6806                                     "more times.\n", ha->isp_abort_cnt);
6807                                 set_bit(ISP_ABORT_RETRY, &vha->dpc_flags);
6808                                 status = 1;
6809                         }
6810                 }
6811
6812         }
6813
6814         if (!status) {
6815                 ql_dbg(ql_dbg_taskm, vha, 0x8022, "%s succeeded.\n", __func__);
6816                 qla2x00_configure_hba(vha);
6817                 spin_lock_irqsave(&ha->vport_slock, flags);
6818                 list_for_each_entry(vp, &ha->vp_list, list) {
6819                         if (vp->vp_idx) {
6820                                 atomic_inc(&vp->vref_count);
6821                                 spin_unlock_irqrestore(&ha->vport_slock, flags);
6822
6823                                 qla2x00_vp_abort_isp(vp);
6824
6825                                 spin_lock_irqsave(&ha->vport_slock, flags);
6826                                 atomic_dec(&vp->vref_count);
6827                         }
6828                 }
6829                 spin_unlock_irqrestore(&ha->vport_slock, flags);
6830
6831                 if (IS_QLA8031(ha)) {
6832                         ql_dbg(ql_dbg_p3p, vha, 0xb05d,
6833                             "Setting back fcoe driver presence.\n");
6834                         if (qla83xx_set_drv_presence(vha) != QLA_SUCCESS)
6835                                 ql_dbg(ql_dbg_p3p, vha, 0xb074,
6836                                     "Error while setting DRV-Presence.\n");
6837                 }
6838         } else {
6839                 ql_log(ql_log_warn, vha, 0x8023, "%s **** FAILED ****.\n",
6840                        __func__);
6841         }
6842
6843         return(status);
6844 }
6845
6846 /*
6847 *  qla2x00_restart_isp
6848 *      restarts the ISP after a reset
6849 *
6850 * Input:
6851 *      ha = adapter block pointer.
6852 *
6853 * Returns:
6854 *      0 = success
6855 */
6856 static int
6857 qla2x00_restart_isp(scsi_qla_host_t *vha)
6858 {
6859         int status = 0;
6860         struct qla_hw_data *ha = vha->hw;
6861         struct req_que *req = ha->req_q_map[0];
6862         struct rsp_que *rsp = ha->rsp_q_map[0];
6863
6864         /* If firmware needs to be loaded */
6865         if (qla2x00_isp_firmware(vha)) {
6866                 vha->flags.online = 0;
6867                 status = ha->isp_ops->chip_diag(vha);
6868                 if (!status)
6869                         status = qla2x00_setup_chip(vha);
6870         }
6871
6872         if (!status && !(status = qla2x00_init_rings(vha))) {
6873                 clear_bit(RESET_MARKER_NEEDED, &vha->dpc_flags);
6874                 ha->flags.chip_reset_done = 1;
6875
6876                 /* Initialize the queues in use */
6877                 qla25xx_init_queues(ha);
6878
6879                 status = qla2x00_fw_ready(vha);
6880                 if (!status) {
6881                         /* Issue a marker after FW becomes ready. */
6882                         qla2x00_marker(vha, req, rsp, 0, 0, MK_SYNC_ALL);
6883                         set_bit(LOOP_RESYNC_NEEDED, &vha->dpc_flags);
6884                 }
6885
6886                 /* if no cable then assume it's good */
6887                 if ((vha->device_flags & DFLG_NO_CABLE))
6888                         status = 0;
6889         }
6890         return (status);
6891 }
6892
6893 static int
6894 qla25xx_init_queues(struct qla_hw_data *ha)
6895 {
6896         struct rsp_que *rsp = NULL;
6897         struct req_que *req = NULL;
6898         struct scsi_qla_host *base_vha = pci_get_drvdata(ha->pdev);
6899         int ret = -1;
6900         int i;
6901
6902         for (i = 1; i < ha->max_rsp_queues; i++) {
6903                 rsp = ha->rsp_q_map[i];
6904                 if (rsp && test_bit(i, ha->rsp_qid_map)) {
6905                         rsp->options &= ~BIT_0;
6906                         ret = qla25xx_init_rsp_que(base_vha, rsp);
6907                         if (ret != QLA_SUCCESS)
6908                                 ql_dbg(ql_dbg_init, base_vha, 0x00ff,
6909                                     "%s Rsp que: %d init failed.\n",
6910                                     __func__, rsp->id);
6911                         else
6912                                 ql_dbg(ql_dbg_init, base_vha, 0x0100,
6913                                     "%s Rsp que: %d inited.\n",
6914                                     __func__, rsp->id);
6915                 }
6916         }
6917         for (i = 1; i < ha->max_req_queues; i++) {
6918                 req = ha->req_q_map[i];
6919                 if (req && test_bit(i, ha->req_qid_map)) {
6920                         /* Clear outstanding commands array. */
6921                         req->options &= ~BIT_0;
6922                         ret = qla25xx_init_req_que(base_vha, req);
6923                         if (ret != QLA_SUCCESS)
6924                                 ql_dbg(ql_dbg_init, base_vha, 0x0101,
6925                                     "%s Req que: %d init failed.\n",
6926                                     __func__, req->id);
6927                         else
6928                                 ql_dbg(ql_dbg_init, base_vha, 0x0102,
6929                                     "%s Req que: %d inited.\n",
6930                                     __func__, req->id);
6931                 }
6932         }
6933         return ret;
6934 }
6935
6936 /*
6937 * qla2x00_reset_adapter
6938 *      Reset adapter.
6939 *
6940 * Input:
6941 *      ha = adapter block pointer.
6942 */
6943 void
6944 qla2x00_reset_adapter(scsi_qla_host_t *vha)
6945 {
6946         unsigned long flags = 0;
6947         struct qla_hw_data *ha = vha->hw;
6948         struct device_reg_2xxx __iomem *reg = &ha->iobase->isp;
6949
6950         vha->flags.online = 0;
6951         ha->isp_ops->disable_intrs(ha);
6952
6953         spin_lock_irqsave(&ha->hardware_lock, flags);
6954         WRT_REG_WORD(&reg->hccr, HCCR_RESET_RISC);
6955         RD_REG_WORD(&reg->hccr);                        /* PCI Posting. */
6956         WRT_REG_WORD(&reg->hccr, HCCR_RELEASE_RISC);
6957         RD_REG_WORD(&reg->hccr);                        /* PCI Posting. */
6958         spin_unlock_irqrestore(&ha->hardware_lock, flags);
6959 }
6960
6961 void
6962 qla24xx_reset_adapter(scsi_qla_host_t *vha)
6963 {
6964         unsigned long flags = 0;
6965         struct qla_hw_data *ha = vha->hw;
6966         struct device_reg_24xx __iomem *reg = &ha->iobase->isp24;
6967
6968         if (IS_P3P_TYPE(ha))
6969                 return;
6970
6971         vha->flags.online = 0;
6972         ha->isp_ops->disable_intrs(ha);
6973
6974         spin_lock_irqsave(&ha->hardware_lock, flags);
6975         WRT_REG_DWORD(&reg->hccr, HCCRX_SET_RISC_RESET);
6976         RD_REG_DWORD(&reg->hccr);
6977         WRT_REG_DWORD(&reg->hccr, HCCRX_REL_RISC_PAUSE);
6978         RD_REG_DWORD(&reg->hccr);
6979         spin_unlock_irqrestore(&ha->hardware_lock, flags);
6980
6981         if (IS_NOPOLLING_TYPE(ha))
6982                 ha->isp_ops->enable_intrs(ha);
6983 }
6984
6985 /* On sparc systems, obtain port and node WWN from firmware
6986  * properties.
6987  */
6988 static void qla24xx_nvram_wwn_from_ofw(scsi_qla_host_t *vha,
6989         struct nvram_24xx *nv)
6990 {
6991 #ifdef CONFIG_SPARC
6992         struct qla_hw_data *ha = vha->hw;
6993         struct pci_dev *pdev = ha->pdev;
6994         struct device_node *dp = pci_device_to_OF_node(pdev);
6995         const u8 *val;
6996         int len;
6997
6998         val = of_get_property(dp, "port-wwn", &len);
6999         if (val && len >= WWN_SIZE)
7000                 memcpy(nv->port_name, val, WWN_SIZE);
7001
7002         val = of_get_property(dp, "node-wwn", &len);
7003         if (val && len >= WWN_SIZE)
7004                 memcpy(nv->node_name, val, WWN_SIZE);
7005 #endif
7006 }
7007
7008 int
7009 qla24xx_nvram_config(scsi_qla_host_t *vha)
7010 {
7011         int   rval;
7012         struct init_cb_24xx *icb;
7013         struct nvram_24xx *nv;
7014         uint32_t *dptr;
7015         uint8_t  *dptr1, *dptr2;
7016         uint32_t chksum;
7017         uint16_t cnt;
7018         struct qla_hw_data *ha = vha->hw;
7019
7020         rval = QLA_SUCCESS;
7021         icb = (struct init_cb_24xx *)ha->init_cb;
7022         nv = ha->nvram;
7023
7024         /* Determine NVRAM starting address. */
7025         if (ha->port_no == 0) {
7026                 ha->nvram_base = FA_NVRAM_FUNC0_ADDR;
7027                 ha->vpd_base = FA_NVRAM_VPD0_ADDR;
7028         } else {
7029                 ha->nvram_base = FA_NVRAM_FUNC1_ADDR;
7030                 ha->vpd_base = FA_NVRAM_VPD1_ADDR;
7031         }
7032
7033         ha->nvram_size = sizeof(struct nvram_24xx);
7034         ha->vpd_size = FA_NVRAM_VPD_SIZE;
7035
7036         /* Get VPD data into cache */
7037         ha->vpd = ha->nvram + VPD_OFFSET;
7038         ha->isp_ops->read_nvram(vha, (uint8_t *)ha->vpd,
7039             ha->nvram_base - FA_NVRAM_FUNC0_ADDR, FA_NVRAM_VPD_SIZE * 4);
7040
7041         /* Get NVRAM data into cache and calculate checksum. */
7042         dptr = (uint32_t *)nv;
7043         ha->isp_ops->read_nvram(vha, (uint8_t *)dptr, ha->nvram_base,
7044             ha->nvram_size);
7045         for (cnt = 0, chksum = 0; cnt < ha->nvram_size >> 2; cnt++, dptr++)
7046                 chksum += le32_to_cpu(*dptr);
7047
7048         ql_dbg(ql_dbg_init + ql_dbg_buffer, vha, 0x006a,
7049             "Contents of NVRAM\n");
7050         ql_dump_buffer(ql_dbg_init + ql_dbg_buffer, vha, 0x010d,
7051             (uint8_t *)nv, ha->nvram_size);
7052
7053         /* Bad NVRAM data, set defaults parameters. */
7054         if (chksum || nv->id[0] != 'I' || nv->id[1] != 'S' || nv->id[2] != 'P'
7055             || nv->id[3] != ' ' ||
7056             nv->nvram_version < cpu_to_le16(ICB_VERSION)) {
7057                 /* Reset NVRAM data. */
7058                 ql_log(ql_log_warn, vha, 0x006b,
7059                     "Inconsistent NVRAM detected: checksum=0x%x id=%c "
7060                     "version=0x%x.\n", chksum, nv->id[0], nv->nvram_version);
7061                 ql_log(ql_log_warn, vha, 0x006c,
7062                     "Falling back to functioning (yet invalid -- WWPN) "
7063                     "defaults.\n");
7064
7065                 /*
7066                  * Set default initialization control block.
7067                  */
7068                 memset(nv, 0, ha->nvram_size);
7069                 nv->nvram_version = cpu_to_le16(ICB_VERSION);
7070                 nv->version = cpu_to_le16(ICB_VERSION);
7071                 nv->frame_payload_size = 2048;
7072                 nv->execution_throttle = cpu_to_le16(0xFFFF);
7073                 nv->exchange_count = cpu_to_le16(0);
7074                 nv->hard_address = cpu_to_le16(124);
7075                 nv->port_name[0] = 0x21;
7076                 nv->port_name[1] = 0x00 + ha->port_no + 1;
7077                 nv->port_name[2] = 0x00;
7078                 nv->port_name[3] = 0xe0;
7079                 nv->port_name[4] = 0x8b;
7080                 nv->port_name[5] = 0x1c;
7081                 nv->port_name[6] = 0x55;
7082                 nv->port_name[7] = 0x86;
7083                 nv->node_name[0] = 0x20;
7084                 nv->node_name[1] = 0x00;
7085                 nv->node_name[2] = 0x00;
7086                 nv->node_name[3] = 0xe0;
7087                 nv->node_name[4] = 0x8b;
7088                 nv->node_name[5] = 0x1c;
7089                 nv->node_name[6] = 0x55;
7090                 nv->node_name[7] = 0x86;
7091                 qla24xx_nvram_wwn_from_ofw(vha, nv);
7092                 nv->login_retry_count = cpu_to_le16(8);
7093                 nv->interrupt_delay_timer = cpu_to_le16(0);
7094                 nv->login_timeout = cpu_to_le16(0);
7095                 nv->firmware_options_1 =
7096                     cpu_to_le32(BIT_14|BIT_13|BIT_2|BIT_1);
7097                 nv->firmware_options_2 = cpu_to_le32(2 << 4);
7098                 nv->firmware_options_2 |= cpu_to_le32(BIT_12);
7099                 nv->firmware_options_3 = cpu_to_le32(2 << 13);
7100                 nv->host_p = cpu_to_le32(BIT_11|BIT_10);
7101                 nv->efi_parameters = cpu_to_le32(0);
7102                 nv->reset_delay = 5;
7103                 nv->max_luns_per_target = cpu_to_le16(128);
7104                 nv->port_down_retry_count = cpu_to_le16(30);
7105                 nv->link_down_timeout = cpu_to_le16(30);
7106
7107                 rval = 1;
7108         }
7109
7110         if (qla_tgt_mode_enabled(vha)) {
7111                 /* Don't enable full login after initial LIP */
7112                 nv->firmware_options_1 &= cpu_to_le32(~BIT_13);
7113                 /* Don't enable LIP full login for initiator */
7114                 nv->host_p &= cpu_to_le32(~BIT_10);
7115         }
7116
7117         qlt_24xx_config_nvram_stage1(vha, nv);
7118
7119         /* Reset Initialization control block */
7120         memset(icb, 0, ha->init_cb_size);
7121
7122         /* Copy 1st segment. */
7123         dptr1 = (uint8_t *)icb;
7124         dptr2 = (uint8_t *)&nv->version;
7125         cnt = (uint8_t *)&icb->response_q_inpointer - (uint8_t *)&icb->version;
7126         while (cnt--)
7127                 *dptr1++ = *dptr2++;
7128
7129         icb->login_retry_count = nv->login_retry_count;
7130         icb->link_down_on_nos = nv->link_down_on_nos;
7131
7132         /* Copy 2nd segment. */
7133         dptr1 = (uint8_t *)&icb->interrupt_delay_timer;
7134         dptr2 = (uint8_t *)&nv->interrupt_delay_timer;
7135         cnt = (uint8_t *)&icb->reserved_3 -
7136             (uint8_t *)&icb->interrupt_delay_timer;
7137         while (cnt--)
7138                 *dptr1++ = *dptr2++;
7139         ha->frame_payload_size = le16_to_cpu(icb->frame_payload_size);
7140         /*
7141          * Setup driver NVRAM options.
7142          */
7143         qla2x00_set_model_info(vha, nv->model_name, sizeof(nv->model_name),
7144             "QLA2462");
7145
7146         qlt_24xx_config_nvram_stage2(vha, icb);
7147
7148         if (nv->host_p & cpu_to_le32(BIT_15)) {
7149                 /* Use alternate WWN? */
7150                 memcpy(icb->node_name, nv->alternate_node_name, WWN_SIZE);
7151                 memcpy(icb->port_name, nv->alternate_port_name, WWN_SIZE);
7152         }
7153
7154         /* Prepare nodename */
7155         if ((icb->firmware_options_1 & cpu_to_le32(BIT_14)) == 0) {
7156                 /*
7157                  * Firmware will apply the following mask if the nodename was
7158                  * not provided.
7159                  */
7160                 memcpy(icb->node_name, icb->port_name, WWN_SIZE);
7161                 icb->node_name[0] &= 0xF0;
7162         }
7163
7164         /* Set host adapter parameters. */
7165         ha->flags.disable_risc_code_load = 0;
7166         ha->flags.enable_lip_reset = 0;
7167         ha->flags.enable_lip_full_login =
7168             le32_to_cpu(nv->host_p) & BIT_10 ? 1: 0;
7169         ha->flags.enable_target_reset =
7170             le32_to_cpu(nv->host_p) & BIT_11 ? 1: 0;
7171         ha->flags.enable_led_scheme = 0;
7172         ha->flags.disable_serdes = le32_to_cpu(nv->host_p) & BIT_5 ? 1: 0;
7173
7174         ha->operating_mode = (le32_to_cpu(icb->firmware_options_2) &
7175             (BIT_6 | BIT_5 | BIT_4)) >> 4;
7176
7177         memcpy(ha->fw_seriallink_options24, nv->seriallink_options,
7178             sizeof(ha->fw_seriallink_options24));
7179
7180         /* save HBA serial number */
7181         ha->serial0 = icb->port_name[5];
7182         ha->serial1 = icb->port_name[6];
7183         ha->serial2 = icb->port_name[7];
7184         memcpy(vha->node_name, icb->node_name, WWN_SIZE);
7185         memcpy(vha->port_name, icb->port_name, WWN_SIZE);
7186
7187         icb->execution_throttle = cpu_to_le16(0xFFFF);
7188
7189         ha->retry_count = le16_to_cpu(nv->login_retry_count);
7190
7191         /* Set minimum login_timeout to 4 seconds. */
7192         if (le16_to_cpu(nv->login_timeout) < ql2xlogintimeout)
7193                 nv->login_timeout = cpu_to_le16(ql2xlogintimeout);
7194         if (le16_to_cpu(nv->login_timeout) < 4)
7195                 nv->login_timeout = cpu_to_le16(4);
7196         ha->login_timeout = le16_to_cpu(nv->login_timeout);
7197
7198         /* Set minimum RATOV to 100 tenths of a second. */
7199         ha->r_a_tov = 100;
7200
7201         ha->loop_reset_delay = nv->reset_delay;
7202
7203         /* Link Down Timeout = 0:
7204          *
7205          *      When Port Down timer expires we will start returning
7206          *      I/O's to OS with "DID_NO_CONNECT".
7207          *
7208          * Link Down Timeout != 0:
7209          *
7210          *       The driver waits for the link to come up after link down
7211          *       before returning I/Os to OS with "DID_NO_CONNECT".
7212          */
7213         if (le16_to_cpu(nv->link_down_timeout) == 0) {
7214                 ha->loop_down_abort_time =
7215                     (LOOP_DOWN_TIME - LOOP_DOWN_TIMEOUT);
7216         } else {
7217                 ha->link_down_timeout = le16_to_cpu(nv->link_down_timeout);
7218                 ha->loop_down_abort_time =
7219                     (LOOP_DOWN_TIME - ha->link_down_timeout);
7220         }
7221
7222         /* Need enough time to try and get the port back. */
7223         ha->port_down_retry_count = le16_to_cpu(nv->port_down_retry_count);
7224         if (qlport_down_retry)
7225                 ha->port_down_retry_count = qlport_down_retry;
7226
7227         /* Set login_retry_count */
7228         ha->login_retry_count  = le16_to_cpu(nv->login_retry_count);
7229         if (ha->port_down_retry_count ==
7230             le16_to_cpu(nv->port_down_retry_count) &&
7231             ha->port_down_retry_count > 3)
7232                 ha->login_retry_count = ha->port_down_retry_count;
7233         else if (ha->port_down_retry_count > (int)ha->login_retry_count)
7234                 ha->login_retry_count = ha->port_down_retry_count;
7235         if (ql2xloginretrycount)
7236                 ha->login_retry_count = ql2xloginretrycount;
7237
7238         /* N2N: driver will initiate Login instead of FW */
7239         icb->firmware_options_3 |= BIT_8;
7240
7241         /* Enable ZIO. */
7242         if (!vha->flags.init_done) {
7243                 ha->zio_mode = le32_to_cpu(icb->firmware_options_2) &
7244                     (BIT_3 | BIT_2 | BIT_1 | BIT_0);
7245                 ha->zio_timer = le16_to_cpu(icb->interrupt_delay_timer) ?
7246                     le16_to_cpu(icb->interrupt_delay_timer): 2;
7247         }
7248         icb->firmware_options_2 &= cpu_to_le32(
7249             ~(BIT_3 | BIT_2 | BIT_1 | BIT_0));
7250         if (ha->zio_mode != QLA_ZIO_DISABLED) {
7251                 ha->zio_mode = QLA_ZIO_MODE_6;
7252
7253                 ql_log(ql_log_info, vha, 0x006f,
7254                     "ZIO mode %d enabled; timer delay (%d us).\n",
7255                     ha->zio_mode, ha->zio_timer * 100);
7256
7257                 icb->firmware_options_2 |= cpu_to_le32(
7258                     (uint32_t)ha->zio_mode);
7259                 icb->interrupt_delay_timer = cpu_to_le16(ha->zio_timer);
7260         }
7261
7262         if (rval) {
7263                 ql_log(ql_log_warn, vha, 0x0070,
7264                     "NVRAM configuration failed.\n");
7265         }
7266         return (rval);
7267 }
7268
7269 uint8_t qla27xx_find_valid_image(struct scsi_qla_host *vha)
7270 {
7271         struct qla27xx_image_status pri_image_status, sec_image_status;
7272         uint8_t valid_pri_image, valid_sec_image;
7273         uint32_t *wptr;
7274         uint32_t cnt, chksum, size;
7275         struct qla_hw_data *ha = vha->hw;
7276
7277         valid_pri_image = valid_sec_image = 1;
7278         ha->active_image = 0;
7279         size = sizeof(struct qla27xx_image_status) / sizeof(uint32_t);
7280
7281         if (!ha->flt_region_img_status_pri) {
7282                 valid_pri_image = 0;
7283                 goto check_sec_image;
7284         }
7285
7286         qla24xx_read_flash_data(vha, (uint32_t *)(&pri_image_status),
7287             ha->flt_region_img_status_pri, size);
7288
7289         if (pri_image_status.signature != QLA27XX_IMG_STATUS_SIGN) {
7290                 ql_dbg(ql_dbg_init, vha, 0x018b,
7291                     "Primary image signature (0x%x) not valid\n",
7292                     pri_image_status.signature);
7293                 valid_pri_image = 0;
7294                 goto check_sec_image;
7295         }
7296
7297         wptr = (uint32_t *)(&pri_image_status);
7298         cnt = size;
7299
7300         for (chksum = 0; cnt--; wptr++)
7301                 chksum += le32_to_cpu(*wptr);
7302
7303         if (chksum) {
7304                 ql_dbg(ql_dbg_init, vha, 0x018c,
7305                     "Checksum validation failed for primary image (0x%x)\n",
7306                     chksum);
7307                 valid_pri_image = 0;
7308         }
7309
7310 check_sec_image:
7311         if (!ha->flt_region_img_status_sec) {
7312                 valid_sec_image = 0;
7313                 goto check_valid_image;
7314         }
7315
7316         qla24xx_read_flash_data(vha, (uint32_t *)(&sec_image_status),
7317             ha->flt_region_img_status_sec, size);
7318
7319         if (sec_image_status.signature != QLA27XX_IMG_STATUS_SIGN) {
7320                 ql_dbg(ql_dbg_init, vha, 0x018d,
7321                     "Secondary image signature(0x%x) not valid\n",
7322                     sec_image_status.signature);
7323                 valid_sec_image = 0;
7324                 goto check_valid_image;
7325         }
7326
7327         wptr = (uint32_t *)(&sec_image_status);
7328         cnt = size;
7329         for (chksum = 0; cnt--; wptr++)
7330                 chksum += le32_to_cpu(*wptr);
7331         if (chksum) {
7332                 ql_dbg(ql_dbg_init, vha, 0x018e,
7333                     "Checksum validation failed for secondary image (0x%x)\n",
7334                     chksum);
7335                 valid_sec_image = 0;
7336         }
7337
7338 check_valid_image:
7339         if (valid_pri_image && (pri_image_status.image_status_mask & 0x1))
7340                 ha->active_image = QLA27XX_PRIMARY_IMAGE;
7341         if (valid_sec_image && (sec_image_status.image_status_mask & 0x1)) {
7342                 if (!ha->active_image ||
7343                     pri_image_status.generation_number <
7344                     sec_image_status.generation_number)
7345                         ha->active_image = QLA27XX_SECONDARY_IMAGE;
7346         }
7347
7348         ql_dbg(ql_dbg_init + ql_dbg_verbose, vha, 0x018f, "%s image\n",
7349             ha->active_image == 0 ? "default bootld and fw" :
7350             ha->active_image == 1 ? "primary" :
7351             ha->active_image == 2 ? "secondary" :
7352             "Invalid");
7353
7354         return ha->active_image;
7355 }
7356
7357 static int
7358 qla24xx_load_risc_flash(scsi_qla_host_t *vha, uint32_t *srisc_addr,
7359     uint32_t faddr)
7360 {
7361         int     rval = QLA_SUCCESS;
7362         int     segments, fragment;
7363         uint32_t *dcode, dlen;
7364         uint32_t risc_addr;
7365         uint32_t risc_size;
7366         uint32_t i;
7367         struct qla_hw_data *ha = vha->hw;
7368         struct req_que *req = ha->req_q_map[0];
7369
7370         ql_dbg(ql_dbg_init, vha, 0x008b,
7371             "FW: Loading firmware from flash (%x).\n", faddr);
7372
7373         rval = QLA_SUCCESS;
7374
7375         segments = FA_RISC_CODE_SEGMENTS;
7376         dcode = (uint32_t *)req->ring;
7377         *srisc_addr = 0;
7378
7379         if (IS_QLA27XX(ha) &&
7380             qla27xx_find_valid_image(vha) == QLA27XX_SECONDARY_IMAGE)
7381                 faddr = ha->flt_region_fw_sec;
7382
7383         /* Validate firmware image by checking version. */
7384         qla24xx_read_flash_data(vha, dcode, faddr + 4, 4);
7385         for (i = 0; i < 4; i++)
7386                 dcode[i] = be32_to_cpu(dcode[i]);
7387         if ((dcode[0] == 0xffffffff && dcode[1] == 0xffffffff &&
7388             dcode[2] == 0xffffffff && dcode[3] == 0xffffffff) ||
7389             (dcode[0] == 0 && dcode[1] == 0 && dcode[2] == 0 &&
7390                 dcode[3] == 0)) {
7391                 ql_log(ql_log_fatal, vha, 0x008c,
7392                     "Unable to verify the integrity of flash firmware "
7393                     "image.\n");
7394                 ql_log(ql_log_fatal, vha, 0x008d,
7395                     "Firmware data: %08x %08x %08x %08x.\n",
7396                     dcode[0], dcode[1], dcode[2], dcode[3]);
7397
7398                 return QLA_FUNCTION_FAILED;
7399         }
7400
7401         while (segments && rval == QLA_SUCCESS) {
7402                 /* Read segment's load information. */
7403                 qla24xx_read_flash_data(vha, dcode, faddr, 4);
7404
7405                 risc_addr = be32_to_cpu(dcode[2]);
7406                 *srisc_addr = *srisc_addr == 0 ? risc_addr : *srisc_addr;
7407                 risc_size = be32_to_cpu(dcode[3]);
7408
7409                 fragment = 0;
7410                 while (risc_size > 0 && rval == QLA_SUCCESS) {
7411                         dlen = (uint32_t)(ha->fw_transfer_size >> 2);
7412                         if (dlen > risc_size)
7413                                 dlen = risc_size;
7414
7415                         ql_dbg(ql_dbg_init, vha, 0x008e,
7416                             "Loading risc segment@ risc addr %x "
7417                             "number of dwords 0x%x offset 0x%x.\n",
7418                             risc_addr, dlen, faddr);
7419
7420                         qla24xx_read_flash_data(vha, dcode, faddr, dlen);
7421                         for (i = 0; i < dlen; i++)
7422                                 dcode[i] = swab32(dcode[i]);
7423
7424                         rval = qla2x00_load_ram(vha, req->dma, risc_addr,
7425                             dlen);
7426                         if (rval) {
7427                                 ql_log(ql_log_fatal, vha, 0x008f,
7428                                     "Failed to load segment %d of firmware.\n",
7429                                     fragment);
7430                                 return QLA_FUNCTION_FAILED;
7431                         }
7432
7433                         faddr += dlen;
7434                         risc_addr += dlen;
7435                         risc_size -= dlen;
7436                         fragment++;
7437                 }
7438
7439                 /* Next segment. */
7440                 segments--;
7441         }
7442
7443         if (!IS_QLA27XX(ha))
7444                 return rval;
7445
7446         if (ha->fw_dump_template)
7447                 vfree(ha->fw_dump_template);
7448         ha->fw_dump_template = NULL;
7449         ha->fw_dump_template_len = 0;
7450
7451         ql_dbg(ql_dbg_init, vha, 0x0161,
7452             "Loading fwdump template from %x\n", faddr);
7453         qla24xx_read_flash_data(vha, dcode, faddr, 7);
7454         risc_size = be32_to_cpu(dcode[2]);
7455         ql_dbg(ql_dbg_init, vha, 0x0162,
7456             "-> array size %x dwords\n", risc_size);
7457         if (risc_size == 0 || risc_size == ~0)
7458                 goto default_template;
7459
7460         dlen = (risc_size - 8) * sizeof(*dcode);
7461         ql_dbg(ql_dbg_init, vha, 0x0163,
7462             "-> template allocating %x bytes...\n", dlen);
7463         ha->fw_dump_template = vmalloc(dlen);
7464         if (!ha->fw_dump_template) {
7465                 ql_log(ql_log_warn, vha, 0x0164,
7466                     "Failed fwdump template allocate %x bytes.\n", risc_size);
7467                 goto default_template;
7468         }
7469
7470         faddr += 7;
7471         risc_size -= 8;
7472         dcode = ha->fw_dump_template;
7473         qla24xx_read_flash_data(vha, dcode, faddr, risc_size);
7474         for (i = 0; i < risc_size; i++)
7475                 dcode[i] = le32_to_cpu(dcode[i]);
7476
7477         if (!qla27xx_fwdt_template_valid(dcode)) {
7478                 ql_log(ql_log_warn, vha, 0x0165,
7479                     "Failed fwdump template validate\n");
7480                 goto default_template;
7481         }
7482
7483         dlen = qla27xx_fwdt_template_size(dcode);
7484         ql_dbg(ql_dbg_init, vha, 0x0166,
7485             "-> template size %x bytes\n", dlen);
7486         if (dlen > risc_size * sizeof(*dcode)) {
7487                 ql_log(ql_log_warn, vha, 0x0167,
7488                     "Failed fwdump template exceeds array by %zx bytes\n",
7489                     (size_t)(dlen - risc_size * sizeof(*dcode)));
7490                 goto default_template;
7491         }
7492         ha->fw_dump_template_len = dlen;
7493         return rval;
7494
7495 default_template:
7496         ql_log(ql_log_warn, vha, 0x0168, "Using default fwdump template\n");
7497         if (ha->fw_dump_template)
7498                 vfree(ha->fw_dump_template);
7499         ha->fw_dump_template = NULL;
7500         ha->fw_dump_template_len = 0;
7501
7502         dlen = qla27xx_fwdt_template_default_size();
7503         ql_dbg(ql_dbg_init, vha, 0x0169,
7504             "-> template allocating %x bytes...\n", dlen);
7505         ha->fw_dump_template = vmalloc(dlen);
7506         if (!ha->fw_dump_template) {
7507                 ql_log(ql_log_warn, vha, 0x016a,
7508                     "Failed fwdump template allocate %x bytes.\n", risc_size);
7509                 goto failed_template;
7510         }
7511
7512         dcode = ha->fw_dump_template;
7513         risc_size = dlen / sizeof(*dcode);
7514         memcpy(dcode, qla27xx_fwdt_template_default(), dlen);
7515         for (i = 0; i < risc_size; i++)
7516                 dcode[i] = be32_to_cpu(dcode[i]);
7517
7518         if (!qla27xx_fwdt_template_valid(ha->fw_dump_template)) {
7519                 ql_log(ql_log_warn, vha, 0x016b,
7520                     "Failed fwdump template validate\n");
7521                 goto failed_template;
7522         }
7523
7524         dlen = qla27xx_fwdt_template_size(ha->fw_dump_template);
7525         ql_dbg(ql_dbg_init, vha, 0x016c,
7526             "-> template size %x bytes\n", dlen);
7527         ha->fw_dump_template_len = dlen;
7528         return rval;
7529
7530 failed_template:
7531         ql_log(ql_log_warn, vha, 0x016d, "Failed default fwdump template\n");
7532         if (ha->fw_dump_template)
7533                 vfree(ha->fw_dump_template);
7534         ha->fw_dump_template = NULL;
7535         ha->fw_dump_template_len = 0;
7536         return rval;
7537 }
7538
7539 #define QLA_FW_URL "http://ldriver.qlogic.com/firmware/"
7540
7541 int
7542 qla2x00_load_risc(scsi_qla_host_t *vha, uint32_t *srisc_addr)
7543 {
7544         int     rval;
7545         int     i, fragment;
7546         uint16_t *wcode, *fwcode;
7547         uint32_t risc_addr, risc_size, fwclen, wlen, *seg;
7548         struct fw_blob *blob;
7549         struct qla_hw_data *ha = vha->hw;
7550         struct req_que *req = ha->req_q_map[0];
7551
7552         /* Load firmware blob. */
7553         blob = qla2x00_request_firmware(vha);
7554         if (!blob) {
7555                 ql_log(ql_log_info, vha, 0x0083,
7556                     "Firmware image unavailable.\n");
7557                 ql_log(ql_log_info, vha, 0x0084,
7558                     "Firmware images can be retrieved from: "QLA_FW_URL ".\n");
7559                 return QLA_FUNCTION_FAILED;
7560         }
7561
7562         rval = QLA_SUCCESS;
7563
7564         wcode = (uint16_t *)req->ring;
7565         *srisc_addr = 0;
7566         fwcode = (uint16_t *)blob->fw->data;
7567         fwclen = 0;
7568
7569         /* Validate firmware image by checking version. */
7570         if (blob->fw->size < 8 * sizeof(uint16_t)) {
7571                 ql_log(ql_log_fatal, vha, 0x0085,
7572                     "Unable to verify integrity of firmware image (%zd).\n",
7573                     blob->fw->size);
7574                 goto fail_fw_integrity;
7575         }
7576         for (i = 0; i < 4; i++)
7577                 wcode[i] = be16_to_cpu(fwcode[i + 4]);
7578         if ((wcode[0] == 0xffff && wcode[1] == 0xffff && wcode[2] == 0xffff &&
7579             wcode[3] == 0xffff) || (wcode[0] == 0 && wcode[1] == 0 &&
7580                 wcode[2] == 0 && wcode[3] == 0)) {
7581                 ql_log(ql_log_fatal, vha, 0x0086,
7582                     "Unable to verify integrity of firmware image.\n");
7583                 ql_log(ql_log_fatal, vha, 0x0087,
7584                     "Firmware data: %04x %04x %04x %04x.\n",
7585                     wcode[0], wcode[1], wcode[2], wcode[3]);
7586                 goto fail_fw_integrity;
7587         }
7588
7589         seg = blob->segs;
7590         while (*seg && rval == QLA_SUCCESS) {
7591                 risc_addr = *seg;
7592                 *srisc_addr = *srisc_addr == 0 ? *seg : *srisc_addr;
7593                 risc_size = be16_to_cpu(fwcode[3]);
7594
7595                 /* Validate firmware image size. */
7596                 fwclen += risc_size * sizeof(uint16_t);
7597                 if (blob->fw->size < fwclen) {
7598                         ql_log(ql_log_fatal, vha, 0x0088,
7599                             "Unable to verify integrity of firmware image "
7600                             "(%zd).\n", blob->fw->size);
7601                         goto fail_fw_integrity;
7602                 }
7603
7604                 fragment = 0;
7605                 while (risc_size > 0 && rval == QLA_SUCCESS) {
7606                         wlen = (uint16_t)(ha->fw_transfer_size >> 1);
7607                         if (wlen > risc_size)
7608                                 wlen = risc_size;
7609                         ql_dbg(ql_dbg_init, vha, 0x0089,
7610                             "Loading risc segment@ risc addr %x number of "
7611                             "words 0x%x.\n", risc_addr, wlen);
7612
7613                         for (i = 0; i < wlen; i++)
7614                                 wcode[i] = swab16(fwcode[i]);
7615
7616                         rval = qla2x00_load_ram(vha, req->dma, risc_addr,
7617                             wlen);
7618                         if (rval) {
7619                                 ql_log(ql_log_fatal, vha, 0x008a,
7620                                     "Failed to load segment %d of firmware.\n",
7621                                     fragment);
7622                                 break;
7623                         }
7624
7625                         fwcode += wlen;
7626                         risc_addr += wlen;
7627                         risc_size -= wlen;
7628                         fragment++;
7629                 }
7630
7631                 /* Next segment. */
7632                 seg++;
7633         }
7634         return rval;
7635
7636 fail_fw_integrity:
7637         return QLA_FUNCTION_FAILED;
7638 }
7639
7640 static int
7641 qla24xx_load_risc_blob(scsi_qla_host_t *vha, uint32_t *srisc_addr)
7642 {
7643         int     rval;
7644         int     segments, fragment;
7645         uint32_t *dcode, dlen;
7646         uint32_t risc_addr;
7647         uint32_t risc_size;
7648         uint32_t i;
7649         struct fw_blob *blob;
7650         const uint32_t *fwcode;
7651         uint32_t fwclen;
7652         struct qla_hw_data *ha = vha->hw;
7653         struct req_que *req = ha->req_q_map[0];
7654
7655         /* Load firmware blob. */
7656         blob = qla2x00_request_firmware(vha);
7657         if (!blob) {
7658                 ql_log(ql_log_warn, vha, 0x0090,
7659                     "Firmware image unavailable.\n");
7660                 ql_log(ql_log_warn, vha, 0x0091,
7661                     "Firmware images can be retrieved from: "
7662                     QLA_FW_URL ".\n");
7663
7664                 return QLA_FUNCTION_FAILED;
7665         }
7666
7667         ql_dbg(ql_dbg_init, vha, 0x0092,
7668             "FW: Loading via request-firmware.\n");
7669
7670         rval = QLA_SUCCESS;
7671
7672         segments = FA_RISC_CODE_SEGMENTS;
7673         dcode = (uint32_t *)req->ring;
7674         *srisc_addr = 0;
7675         fwcode = (uint32_t *)blob->fw->data;
7676         fwclen = 0;
7677
7678         /* Validate firmware image by checking version. */
7679         if (blob->fw->size < 8 * sizeof(uint32_t)) {
7680                 ql_log(ql_log_fatal, vha, 0x0093,
7681                     "Unable to verify integrity of firmware image (%zd).\n",
7682                     blob->fw->size);
7683                 return QLA_FUNCTION_FAILED;
7684         }
7685         for (i = 0; i < 4; i++)
7686                 dcode[i] = be32_to_cpu(fwcode[i + 4]);
7687         if ((dcode[0] == 0xffffffff && dcode[1] == 0xffffffff &&
7688             dcode[2] == 0xffffffff && dcode[3] == 0xffffffff) ||
7689             (dcode[0] == 0 && dcode[1] == 0 && dcode[2] == 0 &&
7690                 dcode[3] == 0)) {
7691                 ql_log(ql_log_fatal, vha, 0x0094,
7692                     "Unable to verify integrity of firmware image (%zd).\n",
7693                     blob->fw->size);
7694                 ql_log(ql_log_fatal, vha, 0x0095,
7695                     "Firmware data: %08x %08x %08x %08x.\n",
7696                     dcode[0], dcode[1], dcode[2], dcode[3]);
7697                 return QLA_FUNCTION_FAILED;
7698         }
7699
7700         while (segments && rval == QLA_SUCCESS) {
7701                 risc_addr = be32_to_cpu(fwcode[2]);
7702                 *srisc_addr = *srisc_addr == 0 ? risc_addr : *srisc_addr;
7703                 risc_size = be32_to_cpu(fwcode[3]);
7704
7705                 /* Validate firmware image size. */
7706                 fwclen += risc_size * sizeof(uint32_t);
7707                 if (blob->fw->size < fwclen) {
7708                         ql_log(ql_log_fatal, vha, 0x0096,
7709                             "Unable to verify integrity of firmware image "
7710                             "(%zd).\n", blob->fw->size);
7711                         return QLA_FUNCTION_FAILED;
7712                 }
7713
7714                 fragment = 0;
7715                 while (risc_size > 0 && rval == QLA_SUCCESS) {
7716                         dlen = (uint32_t)(ha->fw_transfer_size >> 2);
7717                         if (dlen > risc_size)
7718                                 dlen = risc_size;
7719
7720                         ql_dbg(ql_dbg_init, vha, 0x0097,
7721                             "Loading risc segment@ risc addr %x "
7722                             "number of dwords 0x%x.\n", risc_addr, dlen);
7723
7724                         for (i = 0; i < dlen; i++)
7725                                 dcode[i] = swab32(fwcode[i]);
7726
7727                         rval = qla2x00_load_ram(vha, req->dma, risc_addr,
7728                             dlen);
7729                         if (rval) {
7730                                 ql_log(ql_log_fatal, vha, 0x0098,
7731                                     "Failed to load segment %d of firmware.\n",
7732                                     fragment);
7733                                 return QLA_FUNCTION_FAILED;
7734                         }
7735
7736                         fwcode += dlen;
7737                         risc_addr += dlen;
7738                         risc_size -= dlen;
7739                         fragment++;
7740                 }
7741
7742                 /* Next segment. */
7743                 segments--;
7744         }
7745
7746         if (!IS_QLA27XX(ha))
7747                 return rval;
7748
7749         if (ha->fw_dump_template)
7750                 vfree(ha->fw_dump_template);
7751         ha->fw_dump_template = NULL;
7752         ha->fw_dump_template_len = 0;
7753
7754         ql_dbg(ql_dbg_init, vha, 0x171,
7755             "Loading fwdump template from %x\n",
7756             (uint32_t)((void *)fwcode - (void *)blob->fw->data));
7757         risc_size = be32_to_cpu(fwcode[2]);
7758         ql_dbg(ql_dbg_init, vha, 0x172,
7759             "-> array size %x dwords\n", risc_size);
7760         if (risc_size == 0 || risc_size == ~0)
7761                 goto default_template;
7762
7763         dlen = (risc_size - 8) * sizeof(*fwcode);
7764         ql_dbg(ql_dbg_init, vha, 0x0173,
7765             "-> template allocating %x bytes...\n", dlen);
7766         ha->fw_dump_template = vmalloc(dlen);
7767         if (!ha->fw_dump_template) {
7768                 ql_log(ql_log_warn, vha, 0x0174,
7769                     "Failed fwdump template allocate %x bytes.\n", risc_size);
7770                 goto default_template;
7771         }
7772
7773         fwcode += 7;
7774         risc_size -= 8;
7775         dcode = ha->fw_dump_template;
7776         for (i = 0; i < risc_size; i++)
7777                 dcode[i] = le32_to_cpu(fwcode[i]);
7778
7779         if (!qla27xx_fwdt_template_valid(dcode)) {
7780                 ql_log(ql_log_warn, vha, 0x0175,
7781                     "Failed fwdump template validate\n");
7782                 goto default_template;
7783         }
7784
7785         dlen = qla27xx_fwdt_template_size(dcode);
7786         ql_dbg(ql_dbg_init, vha, 0x0176,
7787             "-> template size %x bytes\n", dlen);
7788         if (dlen > risc_size * sizeof(*fwcode)) {
7789                 ql_log(ql_log_warn, vha, 0x0177,
7790                     "Failed fwdump template exceeds array by %zx bytes\n",
7791                     (size_t)(dlen - risc_size * sizeof(*fwcode)));
7792                 goto default_template;
7793         }
7794         ha->fw_dump_template_len = dlen;
7795         return rval;
7796
7797 default_template:
7798         ql_log(ql_log_warn, vha, 0x0178, "Using default fwdump template\n");
7799         if (ha->fw_dump_template)
7800                 vfree(ha->fw_dump_template);
7801         ha->fw_dump_template = NULL;
7802         ha->fw_dump_template_len = 0;
7803
7804         dlen = qla27xx_fwdt_template_default_size();
7805         ql_dbg(ql_dbg_init, vha, 0x0179,
7806             "-> template allocating %x bytes...\n", dlen);
7807         ha->fw_dump_template = vmalloc(dlen);
7808         if (!ha->fw_dump_template) {
7809                 ql_log(ql_log_warn, vha, 0x017a,
7810                     "Failed fwdump template allocate %x bytes.\n", risc_size);
7811                 goto failed_template;
7812         }
7813
7814         dcode = ha->fw_dump_template;
7815         risc_size = dlen / sizeof(*fwcode);
7816         fwcode = qla27xx_fwdt_template_default();
7817         for (i = 0; i < risc_size; i++)
7818                 dcode[i] = be32_to_cpu(fwcode[i]);
7819
7820         if (!qla27xx_fwdt_template_valid(ha->fw_dump_template)) {
7821                 ql_log(ql_log_warn, vha, 0x017b,
7822                     "Failed fwdump template validate\n");
7823                 goto failed_template;
7824         }
7825
7826         dlen = qla27xx_fwdt_template_size(ha->fw_dump_template);
7827         ql_dbg(ql_dbg_init, vha, 0x017c,
7828             "-> template size %x bytes\n", dlen);
7829         ha->fw_dump_template_len = dlen;
7830         return rval;
7831
7832 failed_template:
7833         ql_log(ql_log_warn, vha, 0x017d, "Failed default fwdump template\n");
7834         if (ha->fw_dump_template)
7835                 vfree(ha->fw_dump_template);
7836         ha->fw_dump_template = NULL;
7837         ha->fw_dump_template_len = 0;
7838         return rval;
7839 }
7840
7841 int
7842 qla24xx_load_risc(scsi_qla_host_t *vha, uint32_t *srisc_addr)
7843 {
7844         int rval;
7845
7846         if (ql2xfwloadbin == 1)
7847                 return qla81xx_load_risc(vha, srisc_addr);
7848
7849         /*
7850          * FW Load priority:
7851          * 1) Firmware via request-firmware interface (.bin file).
7852          * 2) Firmware residing in flash.
7853          */
7854         rval = qla24xx_load_risc_blob(vha, srisc_addr);
7855         if (rval == QLA_SUCCESS)
7856                 return rval;
7857
7858         return qla24xx_load_risc_flash(vha, srisc_addr,
7859             vha->hw->flt_region_fw);
7860 }
7861
7862 int
7863 qla81xx_load_risc(scsi_qla_host_t *vha, uint32_t *srisc_addr)
7864 {
7865         int rval;
7866         struct qla_hw_data *ha = vha->hw;
7867
7868         if (ql2xfwloadbin == 2)
7869                 goto try_blob_fw;
7870
7871         /*
7872          * FW Load priority:
7873          * 1) Firmware residing in flash.
7874          * 2) Firmware via request-firmware interface (.bin file).
7875          * 3) Golden-Firmware residing in flash -- limited operation.
7876          */
7877         rval = qla24xx_load_risc_flash(vha, srisc_addr, ha->flt_region_fw);
7878         if (rval == QLA_SUCCESS)
7879                 return rval;
7880
7881 try_blob_fw:
7882         rval = qla24xx_load_risc_blob(vha, srisc_addr);
7883         if (rval == QLA_SUCCESS || !ha->flt_region_gold_fw)
7884                 return rval;
7885
7886         ql_log(ql_log_info, vha, 0x0099,
7887             "Attempting to fallback to golden firmware.\n");
7888         rval = qla24xx_load_risc_flash(vha, srisc_addr, ha->flt_region_gold_fw);
7889         if (rval != QLA_SUCCESS)
7890                 return rval;
7891
7892         ql_log(ql_log_info, vha, 0x009a, "Update operational firmware.\n");
7893         ha->flags.running_gold_fw = 1;
7894         return rval;
7895 }
7896
7897 void
7898 qla2x00_try_to_stop_firmware(scsi_qla_host_t *vha)
7899 {
7900         int ret, retries;
7901         struct qla_hw_data *ha = vha->hw;
7902
7903         if (ha->flags.pci_channel_io_perm_failure)
7904                 return;
7905         if (!IS_FWI2_CAPABLE(ha))
7906                 return;
7907         if (!ha->fw_major_version)
7908                 return;
7909         if (!ha->flags.fw_started)
7910                 return;
7911
7912         ret = qla2x00_stop_firmware(vha);
7913         for (retries = 5; ret != QLA_SUCCESS && ret != QLA_FUNCTION_TIMEOUT &&
7914             ret != QLA_INVALID_COMMAND && retries ; retries--) {
7915                 ha->isp_ops->reset_chip(vha);
7916                 if (ha->isp_ops->chip_diag(vha) != QLA_SUCCESS)
7917                         continue;
7918                 if (qla2x00_setup_chip(vha) != QLA_SUCCESS)
7919                         continue;
7920                 ql_log(ql_log_info, vha, 0x8015,
7921                     "Attempting retry of stop-firmware command.\n");
7922                 ret = qla2x00_stop_firmware(vha);
7923         }
7924
7925         QLA_FW_STOPPED(ha);
7926         ha->flags.fw_init_done = 0;
7927 }
7928
7929 int
7930 qla24xx_configure_vhba(scsi_qla_host_t *vha)
7931 {
7932         int rval = QLA_SUCCESS;
7933         int rval2;
7934         uint16_t mb[MAILBOX_REGISTER_COUNT];
7935         struct qla_hw_data *ha = vha->hw;
7936         struct scsi_qla_host *base_vha = pci_get_drvdata(ha->pdev);
7937         struct req_que *req;
7938         struct rsp_que *rsp;
7939
7940         if (!vha->vp_idx)
7941                 return -EINVAL;
7942
7943         rval = qla2x00_fw_ready(base_vha);
7944         if (vha->qpair)
7945                 req = vha->qpair->req;
7946         else
7947                 req = ha->req_q_map[0];
7948         rsp = req->rsp;
7949
7950         if (rval == QLA_SUCCESS) {
7951                 clear_bit(RESET_MARKER_NEEDED, &vha->dpc_flags);
7952                 qla2x00_marker(vha, req, rsp, 0, 0, MK_SYNC_ALL);
7953         }
7954
7955         vha->flags.management_server_logged_in = 0;
7956
7957         /* Login to SNS first */
7958         rval2 = ha->isp_ops->fabric_login(vha, NPH_SNS, 0xff, 0xff, 0xfc, mb,
7959             BIT_1);
7960         if (rval2 != QLA_SUCCESS || mb[0] != MBS_COMMAND_COMPLETE) {
7961                 if (rval2 == QLA_MEMORY_ALLOC_FAILED)
7962                         ql_dbg(ql_dbg_init, vha, 0x0120,
7963                             "Failed SNS login: loop_id=%x, rval2=%d\n",
7964                             NPH_SNS, rval2);
7965                 else
7966                         ql_dbg(ql_dbg_init, vha, 0x0103,
7967                             "Failed SNS login: loop_id=%x mb[0]=%x mb[1]=%x "
7968                             "mb[2]=%x mb[6]=%x mb[7]=%x.\n",
7969                             NPH_SNS, mb[0], mb[1], mb[2], mb[6], mb[7]);
7970                 return (QLA_FUNCTION_FAILED);
7971         }
7972
7973         atomic_set(&vha->loop_down_timer, 0);
7974         atomic_set(&vha->loop_state, LOOP_UP);
7975         set_bit(LOOP_RESYNC_NEEDED, &vha->dpc_flags);
7976         set_bit(LOCAL_LOOP_UPDATE, &vha->dpc_flags);
7977         rval = qla2x00_loop_resync(base_vha);
7978
7979         return rval;
7980 }
7981
7982 /* 84XX Support **************************************************************/
7983
7984 static LIST_HEAD(qla_cs84xx_list);
7985 static DEFINE_MUTEX(qla_cs84xx_mutex);
7986
7987 static struct qla_chip_state_84xx *
7988 qla84xx_get_chip(struct scsi_qla_host *vha)
7989 {
7990         struct qla_chip_state_84xx *cs84xx;
7991         struct qla_hw_data *ha = vha->hw;
7992
7993         mutex_lock(&qla_cs84xx_mutex);
7994
7995         /* Find any shared 84xx chip. */
7996         list_for_each_entry(cs84xx, &qla_cs84xx_list, list) {
7997                 if (cs84xx->bus == ha->pdev->bus) {
7998                         kref_get(&cs84xx->kref);
7999                         goto done;
8000                 }
8001         }
8002
8003         cs84xx = kzalloc(sizeof(*cs84xx), GFP_KERNEL);
8004         if (!cs84xx)
8005                 goto done;
8006
8007         kref_init(&cs84xx->kref);
8008         spin_lock_init(&cs84xx->access_lock);
8009         mutex_init(&cs84xx->fw_update_mutex);
8010         cs84xx->bus = ha->pdev->bus;
8011
8012         list_add_tail(&cs84xx->list, &qla_cs84xx_list);
8013 done:
8014         mutex_unlock(&qla_cs84xx_mutex);
8015         return cs84xx;
8016 }
8017
8018 static void
8019 __qla84xx_chip_release(struct kref *kref)
8020 {
8021         struct qla_chip_state_84xx *cs84xx =
8022             container_of(kref, struct qla_chip_state_84xx, kref);
8023
8024         mutex_lock(&qla_cs84xx_mutex);
8025         list_del(&cs84xx->list);
8026         mutex_unlock(&qla_cs84xx_mutex);
8027         kfree(cs84xx);
8028 }
8029
8030 void
8031 qla84xx_put_chip(struct scsi_qla_host *vha)
8032 {
8033         struct qla_hw_data *ha = vha->hw;
8034         if (ha->cs84xx)
8035                 kref_put(&ha->cs84xx->kref, __qla84xx_chip_release);
8036 }
8037
8038 static int
8039 qla84xx_init_chip(scsi_qla_host_t *vha)
8040 {
8041         int rval;
8042         uint16_t status[2];
8043         struct qla_hw_data *ha = vha->hw;
8044
8045         mutex_lock(&ha->cs84xx->fw_update_mutex);
8046
8047         rval = qla84xx_verify_chip(vha, status);
8048
8049         mutex_unlock(&ha->cs84xx->fw_update_mutex);
8050
8051         return rval != QLA_SUCCESS || status[0] ? QLA_FUNCTION_FAILED:
8052             QLA_SUCCESS;
8053 }
8054
8055 /* 81XX Support **************************************************************/
8056
8057 int
8058 qla81xx_nvram_config(scsi_qla_host_t *vha)
8059 {
8060         int   rval;
8061         struct init_cb_81xx *icb;
8062         struct nvram_81xx *nv;
8063         uint32_t *dptr;
8064         uint8_t  *dptr1, *dptr2;
8065         uint32_t chksum;
8066         uint16_t cnt;
8067         struct qla_hw_data *ha = vha->hw;
8068
8069         rval = QLA_SUCCESS;
8070         icb = (struct init_cb_81xx *)ha->init_cb;
8071         nv = ha->nvram;
8072
8073         /* Determine NVRAM starting address. */
8074         ha->nvram_size = sizeof(struct nvram_81xx);
8075         ha->vpd_size = FA_NVRAM_VPD_SIZE;
8076         if (IS_P3P_TYPE(ha) || IS_QLA8031(ha))
8077                 ha->vpd_size = FA_VPD_SIZE_82XX;
8078
8079         /* Get VPD data into cache */
8080         ha->vpd = ha->nvram + VPD_OFFSET;
8081         ha->isp_ops->read_optrom(vha, ha->vpd, ha->flt_region_vpd << 2,
8082             ha->vpd_size);
8083
8084         /* Get NVRAM data into cache and calculate checksum. */
8085         ha->isp_ops->read_optrom(vha, ha->nvram, ha->flt_region_nvram << 2,
8086             ha->nvram_size);
8087         dptr = (uint32_t *)nv;
8088         for (cnt = 0, chksum = 0; cnt < ha->nvram_size >> 2; cnt++, dptr++)
8089                 chksum += le32_to_cpu(*dptr);
8090
8091         ql_dbg(ql_dbg_init + ql_dbg_buffer, vha, 0x0111,
8092             "Contents of NVRAM:\n");
8093         ql_dump_buffer(ql_dbg_init + ql_dbg_buffer, vha, 0x0112,
8094             (uint8_t *)nv, ha->nvram_size);
8095
8096         /* Bad NVRAM data, set defaults parameters. */
8097         if (chksum || nv->id[0] != 'I' || nv->id[1] != 'S' || nv->id[2] != 'P'
8098             || nv->id[3] != ' ' ||
8099             nv->nvram_version < cpu_to_le16(ICB_VERSION)) {
8100                 /* Reset NVRAM data. */
8101                 ql_log(ql_log_info, vha, 0x0073,
8102                     "Inconsistent NVRAM detected: checksum=0x%x id=%c "
8103                     "version=0x%x.\n", chksum, nv->id[0],
8104                     le16_to_cpu(nv->nvram_version));
8105                 ql_log(ql_log_info, vha, 0x0074,
8106                     "Falling back to functioning (yet invalid -- WWPN) "
8107                     "defaults.\n");
8108
8109                 /*
8110                  * Set default initialization control block.
8111                  */
8112                 memset(nv, 0, ha->nvram_size);
8113                 nv->nvram_version = cpu_to_le16(ICB_VERSION);
8114                 nv->version = cpu_to_le16(ICB_VERSION);
8115                 nv->frame_payload_size = 2048;
8116                 nv->execution_throttle = cpu_to_le16(0xFFFF);
8117                 nv->exchange_count = cpu_to_le16(0);
8118                 nv->port_name[0] = 0x21;
8119                 nv->port_name[1] = 0x00 + ha->port_no + 1;
8120                 nv->port_name[2] = 0x00;
8121                 nv->port_name[3] = 0xe0;
8122                 nv->port_name[4] = 0x8b;
8123                 nv->port_name[5] = 0x1c;
8124                 nv->port_name[6] = 0x55;
8125                 nv->port_name[7] = 0x86;
8126                 nv->node_name[0] = 0x20;
8127                 nv->node_name[1] = 0x00;
8128                 nv->node_name[2] = 0x00;
8129                 nv->node_name[3] = 0xe0;
8130                 nv->node_name[4] = 0x8b;
8131                 nv->node_name[5] = 0x1c;
8132                 nv->node_name[6] = 0x55;
8133                 nv->node_name[7] = 0x86;
8134                 nv->login_retry_count = cpu_to_le16(8);
8135                 nv->interrupt_delay_timer = cpu_to_le16(0);
8136                 nv->login_timeout = cpu_to_le16(0);
8137                 nv->firmware_options_1 =
8138                     cpu_to_le32(BIT_14|BIT_13|BIT_2|BIT_1);
8139                 nv->firmware_options_2 = cpu_to_le32(2 << 4);
8140                 nv->firmware_options_2 |= cpu_to_le32(BIT_12);
8141                 nv->firmware_options_3 = cpu_to_le32(2 << 13);
8142                 nv->host_p = cpu_to_le32(BIT_11|BIT_10);
8143                 nv->efi_parameters = cpu_to_le32(0);
8144                 nv->reset_delay = 5;
8145                 nv->max_luns_per_target = cpu_to_le16(128);
8146                 nv->port_down_retry_count = cpu_to_le16(30);
8147                 nv->link_down_timeout = cpu_to_le16(180);
8148                 nv->enode_mac[0] = 0x00;
8149                 nv->enode_mac[1] = 0xC0;
8150                 nv->enode_mac[2] = 0xDD;
8151                 nv->enode_mac[3] = 0x04;
8152                 nv->enode_mac[4] = 0x05;
8153                 nv->enode_mac[5] = 0x06 + ha->port_no + 1;
8154
8155                 rval = 1;
8156         }
8157
8158         if (IS_T10_PI_CAPABLE(ha))
8159                 nv->frame_payload_size &= ~7;
8160
8161         qlt_81xx_config_nvram_stage1(vha, nv);
8162
8163         /* Reset Initialization control block */
8164         memset(icb, 0, ha->init_cb_size);
8165
8166         /* Copy 1st segment. */
8167         dptr1 = (uint8_t *)icb;
8168         dptr2 = (uint8_t *)&nv->version;
8169         cnt = (uint8_t *)&icb->response_q_inpointer - (uint8_t *)&icb->version;
8170         while (cnt--)
8171                 *dptr1++ = *dptr2++;
8172
8173         icb->login_retry_count = nv->login_retry_count;
8174
8175         /* Copy 2nd segment. */
8176         dptr1 = (uint8_t *)&icb->interrupt_delay_timer;
8177         dptr2 = (uint8_t *)&nv->interrupt_delay_timer;
8178         cnt = (uint8_t *)&icb->reserved_5 -
8179             (uint8_t *)&icb->interrupt_delay_timer;
8180         while (cnt--)
8181                 *dptr1++ = *dptr2++;
8182
8183         memcpy(icb->enode_mac, nv->enode_mac, sizeof(icb->enode_mac));
8184         /* Some boards (with valid NVRAMs) still have NULL enode_mac!! */
8185         if (!memcmp(icb->enode_mac, "\0\0\0\0\0\0", sizeof(icb->enode_mac))) {
8186                 icb->enode_mac[0] = 0x00;
8187                 icb->enode_mac[1] = 0xC0;
8188                 icb->enode_mac[2] = 0xDD;
8189                 icb->enode_mac[3] = 0x04;
8190                 icb->enode_mac[4] = 0x05;
8191                 icb->enode_mac[5] = 0x06 + ha->port_no + 1;
8192         }
8193
8194         /* Use extended-initialization control block. */
8195         memcpy(ha->ex_init_cb, &nv->ex_version, sizeof(*ha->ex_init_cb));
8196         ha->frame_payload_size = le16_to_cpu(icb->frame_payload_size);
8197         /*
8198          * Setup driver NVRAM options.
8199          */
8200         qla2x00_set_model_info(vha, nv->model_name, sizeof(nv->model_name),
8201             "QLE8XXX");
8202
8203         qlt_81xx_config_nvram_stage2(vha, icb);
8204
8205         /* Use alternate WWN? */
8206         if (nv->host_p & cpu_to_le32(BIT_15)) {
8207                 memcpy(icb->node_name, nv->alternate_node_name, WWN_SIZE);
8208                 memcpy(icb->port_name, nv->alternate_port_name, WWN_SIZE);
8209         }
8210
8211         /* Prepare nodename */
8212         if ((icb->firmware_options_1 & cpu_to_le32(BIT_14)) == 0) {
8213                 /*
8214                  * Firmware will apply the following mask if the nodename was
8215                  * not provided.
8216                  */
8217                 memcpy(icb->node_name, icb->port_name, WWN_SIZE);
8218                 icb->node_name[0] &= 0xF0;
8219         }
8220
8221         /* Set host adapter parameters. */
8222         ha->flags.disable_risc_code_load = 0;
8223         ha->flags.enable_lip_reset = 0;
8224         ha->flags.enable_lip_full_login =
8225             le32_to_cpu(nv->host_p) & BIT_10 ? 1: 0;
8226         ha->flags.enable_target_reset =
8227             le32_to_cpu(nv->host_p) & BIT_11 ? 1: 0;
8228         ha->flags.enable_led_scheme = 0;
8229         ha->flags.disable_serdes = le32_to_cpu(nv->host_p) & BIT_5 ? 1: 0;
8230
8231         ha->operating_mode = (le32_to_cpu(icb->firmware_options_2) &
8232             (BIT_6 | BIT_5 | BIT_4)) >> 4;
8233
8234         /* save HBA serial number */
8235         ha->serial0 = icb->port_name[5];
8236         ha->serial1 = icb->port_name[6];
8237         ha->serial2 = icb->port_name[7];
8238         memcpy(vha->node_name, icb->node_name, WWN_SIZE);
8239         memcpy(vha->port_name, icb->port_name, WWN_SIZE);
8240
8241         icb->execution_throttle = cpu_to_le16(0xFFFF);
8242
8243         ha->retry_count = le16_to_cpu(nv->login_retry_count);
8244
8245         /* Set minimum login_timeout to 4 seconds. */
8246         if (le16_to_cpu(nv->login_timeout) < ql2xlogintimeout)
8247                 nv->login_timeout = cpu_to_le16(ql2xlogintimeout);
8248         if (le16_to_cpu(nv->login_timeout) < 4)
8249                 nv->login_timeout = cpu_to_le16(4);
8250         ha->login_timeout = le16_to_cpu(nv->login_timeout);
8251
8252         /* Set minimum RATOV to 100 tenths of a second. */
8253         ha->r_a_tov = 100;
8254
8255         ha->loop_reset_delay = nv->reset_delay;
8256
8257         /* Link Down Timeout = 0:
8258          *
8259          *      When Port Down timer expires we will start returning
8260          *      I/O's to OS with "DID_NO_CONNECT".
8261          *
8262          * Link Down Timeout != 0:
8263          *
8264          *       The driver waits for the link to come up after link down
8265          *       before returning I/Os to OS with "DID_NO_CONNECT".
8266          */
8267         if (le16_to_cpu(nv->link_down_timeout) == 0) {
8268                 ha->loop_down_abort_time =
8269                     (LOOP_DOWN_TIME - LOOP_DOWN_TIMEOUT);
8270         } else {
8271                 ha->link_down_timeout = le16_to_cpu(nv->link_down_timeout);
8272                 ha->loop_down_abort_time =
8273                     (LOOP_DOWN_TIME - ha->link_down_timeout);
8274         }
8275
8276         /* Need enough time to try and get the port back. */
8277         ha->port_down_retry_count = le16_to_cpu(nv->port_down_retry_count);
8278         if (qlport_down_retry)
8279                 ha->port_down_retry_count = qlport_down_retry;
8280
8281         /* Set login_retry_count */
8282         ha->login_retry_count  = le16_to_cpu(nv->login_retry_count);
8283         if (ha->port_down_retry_count ==
8284             le16_to_cpu(nv->port_down_retry_count) &&
8285             ha->port_down_retry_count > 3)
8286                 ha->login_retry_count = ha->port_down_retry_count;
8287         else if (ha->port_down_retry_count > (int)ha->login_retry_count)
8288                 ha->login_retry_count = ha->port_down_retry_count;
8289         if (ql2xloginretrycount)
8290                 ha->login_retry_count = ql2xloginretrycount;
8291
8292         /* if not running MSI-X we need handshaking on interrupts */
8293         if (!vha->hw->flags.msix_enabled && (IS_QLA83XX(ha) || IS_QLA27XX(ha)))
8294                 icb->firmware_options_2 |= cpu_to_le32(BIT_22);
8295
8296         /* Enable ZIO. */
8297         if (!vha->flags.init_done) {
8298                 ha->zio_mode = le32_to_cpu(icb->firmware_options_2) &
8299                     (BIT_3 | BIT_2 | BIT_1 | BIT_0);
8300                 ha->zio_timer = le16_to_cpu(icb->interrupt_delay_timer) ?
8301                     le16_to_cpu(icb->interrupt_delay_timer): 2;
8302         }
8303         icb->firmware_options_2 &= cpu_to_le32(
8304             ~(BIT_3 | BIT_2 | BIT_1 | BIT_0));
8305         vha->flags.process_response_queue = 0;
8306         if (ha->zio_mode != QLA_ZIO_DISABLED) {
8307                 ha->zio_mode = QLA_ZIO_MODE_6;
8308
8309                 ql_log(ql_log_info, vha, 0x0075,
8310                     "ZIO mode %d enabled; timer delay (%d us).\n",
8311                     ha->zio_mode,
8312                     ha->zio_timer * 100);
8313
8314                 icb->firmware_options_2 |= cpu_to_le32(
8315                     (uint32_t)ha->zio_mode);
8316                 icb->interrupt_delay_timer = cpu_to_le16(ha->zio_timer);
8317                 vha->flags.process_response_queue = 1;
8318         }
8319
8320          /* enable RIDA Format2 */
8321         icb->firmware_options_3 |= BIT_0;
8322
8323         /* N2N: driver will initiate Login instead of FW */
8324         icb->firmware_options_3 |= BIT_8;
8325
8326         if (IS_QLA27XX(ha)) {
8327                 icb->firmware_options_3 |= BIT_8;
8328                 ql_dbg(ql_log_info, vha, 0x0075,
8329                     "Enabling direct connection.\n");
8330         }
8331
8332         if (rval) {
8333                 ql_log(ql_log_warn, vha, 0x0076,
8334                     "NVRAM configuration failed.\n");
8335         }
8336         return (rval);
8337 }
8338
8339 int
8340 qla82xx_restart_isp(scsi_qla_host_t *vha)
8341 {
8342         int status, rval;
8343         struct qla_hw_data *ha = vha->hw;
8344         struct req_que *req = ha->req_q_map[0];
8345         struct rsp_que *rsp = ha->rsp_q_map[0];
8346         struct scsi_qla_host *vp;
8347         unsigned long flags;
8348
8349         status = qla2x00_init_rings(vha);
8350         if (!status) {
8351                 clear_bit(RESET_MARKER_NEEDED, &vha->dpc_flags);
8352                 ha->flags.chip_reset_done = 1;
8353
8354                 status = qla2x00_fw_ready(vha);
8355                 if (!status) {
8356                         /* Issue a marker after FW becomes ready. */
8357                         qla2x00_marker(vha, req, rsp, 0, 0, MK_SYNC_ALL);
8358                         vha->flags.online = 1;
8359                         set_bit(LOOP_RESYNC_NEEDED, &vha->dpc_flags);
8360                 }
8361
8362                 /* if no cable then assume it's good */
8363                 if ((vha->device_flags & DFLG_NO_CABLE))
8364                         status = 0;
8365         }
8366
8367         if (!status) {
8368                 clear_bit(RESET_MARKER_NEEDED, &vha->dpc_flags);
8369
8370                 if (!atomic_read(&vha->loop_down_timer)) {
8371                         /*
8372                          * Issue marker command only when we are going
8373                          * to start the I/O .
8374                          */
8375                         vha->marker_needed = 1;
8376                 }
8377
8378                 ha->isp_ops->enable_intrs(ha);
8379
8380                 ha->isp_abort_cnt = 0;
8381                 clear_bit(ISP_ABORT_RETRY, &vha->dpc_flags);
8382
8383                 /* Update the firmware version */
8384                 status = qla82xx_check_md_needed(vha);
8385
8386                 if (ha->fce) {
8387                         ha->flags.fce_enabled = 1;
8388                         memset(ha->fce, 0,
8389                             fce_calc_size(ha->fce_bufs));
8390                         rval = qla2x00_enable_fce_trace(vha,
8391                             ha->fce_dma, ha->fce_bufs, ha->fce_mb,
8392                             &ha->fce_bufs);
8393                         if (rval) {
8394                                 ql_log(ql_log_warn, vha, 0x8001,
8395                                     "Unable to reinitialize FCE (%d).\n",
8396                                     rval);
8397                                 ha->flags.fce_enabled = 0;
8398                         }
8399                 }
8400
8401                 if (ha->eft) {
8402                         memset(ha->eft, 0, EFT_SIZE);
8403                         rval = qla2x00_enable_eft_trace(vha,
8404                             ha->eft_dma, EFT_NUM_BUFFERS);
8405                         if (rval) {
8406                                 ql_log(ql_log_warn, vha, 0x8010,
8407                                     "Unable to reinitialize EFT (%d).\n",
8408                                     rval);
8409                         }
8410                 }
8411         }
8412
8413         if (!status) {
8414                 ql_dbg(ql_dbg_taskm, vha, 0x8011,
8415                     "qla82xx_restart_isp succeeded.\n");
8416
8417                 spin_lock_irqsave(&ha->vport_slock, flags);
8418                 list_for_each_entry(vp, &ha->vp_list, list) {
8419                         if (vp->vp_idx) {
8420                                 atomic_inc(&vp->vref_count);
8421                                 spin_unlock_irqrestore(&ha->vport_slock, flags);
8422
8423                                 qla2x00_vp_abort_isp(vp);
8424
8425                                 spin_lock_irqsave(&ha->vport_slock, flags);
8426                                 atomic_dec(&vp->vref_count);
8427                         }
8428                 }
8429                 spin_unlock_irqrestore(&ha->vport_slock, flags);
8430
8431         } else {
8432                 ql_log(ql_log_warn, vha, 0x8016,
8433                     "qla82xx_restart_isp **** FAILED ****.\n");
8434         }
8435
8436         return status;
8437 }
8438
8439 void
8440 qla81xx_update_fw_options(scsi_qla_host_t *vha)
8441 {
8442         struct qla_hw_data *ha = vha->hw;
8443
8444         /*  Hold status IOCBs until ABTS response received. */
8445         if (ql2xfwholdabts)
8446                 ha->fw_options[3] |= BIT_12;
8447
8448         /* Set Retry FLOGI in case of P2P connection */
8449         if (ha->operating_mode == P2P) {
8450                 ha->fw_options[2] |= BIT_3;
8451                 ql_dbg(ql_dbg_disc, vha, 0x2103,
8452                     "(%s): Setting FLOGI retry BIT in fw_options[2]: 0x%x\n",
8453                         __func__, ha->fw_options[2]);
8454         }
8455
8456         /* Move PUREX, ABTS RX & RIDA to ATIOQ */
8457         if (ql2xmvasynctoatio) {
8458                 if (qla_tgt_mode_enabled(vha) ||
8459                     qla_dual_mode_enabled(vha))
8460                         ha->fw_options[2] |= BIT_11;
8461                 else
8462                         ha->fw_options[2] &= ~BIT_11;
8463         }
8464
8465         if (qla_tgt_mode_enabled(vha) ||
8466             qla_dual_mode_enabled(vha)) {
8467                 /* FW auto send SCSI status during */
8468                 ha->fw_options[1] |= BIT_8;
8469                 ha->fw_options[10] |= (u16)SAM_STAT_BUSY << 8;
8470
8471                 /* FW perform Exchange validation */
8472                 ha->fw_options[2] |= BIT_4;
8473         } else {
8474                 ha->fw_options[1]  &= ~BIT_8;
8475                 ha->fw_options[10] &= 0x00ff;
8476
8477                 ha->fw_options[2] &= ~BIT_4;
8478         }
8479
8480         if (ql2xetsenable) {
8481                 /* Enable ETS Burst. */
8482                 memset(ha->fw_options, 0, sizeof(ha->fw_options));
8483                 ha->fw_options[2] |= BIT_9;
8484         }
8485
8486         ql_dbg(ql_dbg_init, vha, 0x00e9,
8487             "%s, add FW options 1-3 = 0x%04x 0x%04x 0x%04x mode %x\n",
8488             __func__, ha->fw_options[1], ha->fw_options[2],
8489             ha->fw_options[3], vha->host->active_mode);
8490
8491         qla2x00_set_fw_options(vha, ha->fw_options);
8492 }
8493
8494 /*
8495  * qla24xx_get_fcp_prio
8496  *      Gets the fcp cmd priority value for the logged in port.
8497  *      Looks for a match of the port descriptors within
8498  *      each of the fcp prio config entries. If a match is found,
8499  *      the tag (priority) value is returned.
8500  *
8501  * Input:
8502  *      vha = scsi host structure pointer.
8503  *      fcport = port structure pointer.
8504  *
8505  * Return:
8506  *      non-zero (if found)
8507  *      -1 (if not found)
8508  *
8509  * Context:
8510  *      Kernel context
8511  */
8512 static int
8513 qla24xx_get_fcp_prio(scsi_qla_host_t *vha, fc_port_t *fcport)
8514 {
8515         int i, entries;
8516         uint8_t pid_match, wwn_match;
8517         int priority;
8518         uint32_t pid1, pid2;
8519         uint64_t wwn1, wwn2;
8520         struct qla_fcp_prio_entry *pri_entry;
8521         struct qla_hw_data *ha = vha->hw;
8522
8523         if (!ha->fcp_prio_cfg || !ha->flags.fcp_prio_enabled)
8524                 return -1;
8525
8526         priority = -1;
8527         entries = ha->fcp_prio_cfg->num_entries;
8528         pri_entry = &ha->fcp_prio_cfg->entry[0];
8529
8530         for (i = 0; i < entries; i++) {
8531                 pid_match = wwn_match = 0;
8532
8533                 if (!(pri_entry->flags & FCP_PRIO_ENTRY_VALID)) {
8534                         pri_entry++;
8535                         continue;
8536                 }
8537
8538                 /* check source pid for a match */
8539                 if (pri_entry->flags & FCP_PRIO_ENTRY_SPID_VALID) {
8540                         pid1 = pri_entry->src_pid & INVALID_PORT_ID;
8541                         pid2 = vha->d_id.b24 & INVALID_PORT_ID;
8542                         if (pid1 == INVALID_PORT_ID)
8543                                 pid_match++;
8544                         else if (pid1 == pid2)
8545                                 pid_match++;
8546                 }
8547
8548                 /* check destination pid for a match */
8549                 if (pri_entry->flags & FCP_PRIO_ENTRY_DPID_VALID) {
8550                         pid1 = pri_entry->dst_pid & INVALID_PORT_ID;
8551                         pid2 = fcport->d_id.b24 & INVALID_PORT_ID;
8552                         if (pid1 == INVALID_PORT_ID)
8553                                 pid_match++;
8554                         else if (pid1 == pid2)
8555                                 pid_match++;
8556                 }
8557
8558                 /* check source WWN for a match */
8559                 if (pri_entry->flags & FCP_PRIO_ENTRY_SWWN_VALID) {
8560                         wwn1 = wwn_to_u64(vha->port_name);
8561                         wwn2 = wwn_to_u64(pri_entry->src_wwpn);
8562                         if (wwn2 == (uint64_t)-1)
8563                                 wwn_match++;
8564                         else if (wwn1 == wwn2)
8565                                 wwn_match++;
8566                 }
8567
8568                 /* check destination WWN for a match */
8569                 if (pri_entry->flags & FCP_PRIO_ENTRY_DWWN_VALID) {
8570                         wwn1 = wwn_to_u64(fcport->port_name);
8571                         wwn2 = wwn_to_u64(pri_entry->dst_wwpn);
8572                         if (wwn2 == (uint64_t)-1)
8573                                 wwn_match++;
8574                         else if (wwn1 == wwn2)
8575                                 wwn_match++;
8576                 }
8577
8578                 if (pid_match == 2 || wwn_match == 2) {
8579                         /* Found a matching entry */
8580                         if (pri_entry->flags & FCP_PRIO_ENTRY_TAG_VALID)
8581                                 priority = pri_entry->tag;
8582                         break;
8583                 }
8584
8585                 pri_entry++;
8586         }
8587
8588         return priority;
8589 }
8590
8591 /*
8592  * qla24xx_update_fcport_fcp_prio
8593  *      Activates fcp priority for the logged in fc port
8594  *
8595  * Input:
8596  *      vha = scsi host structure pointer.
8597  *      fcp = port structure pointer.
8598  *
8599  * Return:
8600  *      QLA_SUCCESS or QLA_FUNCTION_FAILED
8601  *
8602  * Context:
8603  *      Kernel context.
8604  */
8605 int
8606 qla24xx_update_fcport_fcp_prio(scsi_qla_host_t *vha, fc_port_t *fcport)
8607 {
8608         int ret;
8609         int priority;
8610         uint16_t mb[5];
8611
8612         if (fcport->port_type != FCT_TARGET ||
8613             fcport->loop_id == FC_NO_LOOP_ID)
8614                 return QLA_FUNCTION_FAILED;
8615
8616         priority = qla24xx_get_fcp_prio(vha, fcport);
8617         if (priority < 0)
8618                 return QLA_FUNCTION_FAILED;
8619
8620         if (IS_P3P_TYPE(vha->hw)) {
8621                 fcport->fcp_prio = priority & 0xf;
8622                 return QLA_SUCCESS;
8623         }
8624
8625         ret = qla24xx_set_fcp_prio(vha, fcport->loop_id, priority, mb);
8626         if (ret == QLA_SUCCESS) {
8627                 if (fcport->fcp_prio != priority)
8628                         ql_dbg(ql_dbg_user, vha, 0x709e,
8629                             "Updated FCP_CMND priority - value=%d loop_id=%d "
8630                             "port_id=%02x%02x%02x.\n", priority,
8631                             fcport->loop_id, fcport->d_id.b.domain,
8632                             fcport->d_id.b.area, fcport->d_id.b.al_pa);
8633                 fcport->fcp_prio = priority & 0xf;
8634         } else
8635                 ql_dbg(ql_dbg_user, vha, 0x704f,
8636                     "Unable to update FCP_CMND priority - ret=0x%x for "
8637                     "loop_id=%d port_id=%02x%02x%02x.\n", ret, fcport->loop_id,
8638                     fcport->d_id.b.domain, fcport->d_id.b.area,
8639                     fcport->d_id.b.al_pa);
8640         return  ret;
8641 }
8642
8643 /*
8644  * qla24xx_update_all_fcp_prio
8645  *      Activates fcp priority for all the logged in ports
8646  *
8647  * Input:
8648  *      ha = adapter block pointer.
8649  *
8650  * Return:
8651  *      QLA_SUCCESS or QLA_FUNCTION_FAILED
8652  *
8653  * Context:
8654  *      Kernel context.
8655  */
8656 int
8657 qla24xx_update_all_fcp_prio(scsi_qla_host_t *vha)
8658 {
8659         int ret;
8660         fc_port_t *fcport;
8661
8662         ret = QLA_FUNCTION_FAILED;
8663         /* We need to set priority for all logged in ports */
8664         list_for_each_entry(fcport, &vha->vp_fcports, list)
8665                 ret = qla24xx_update_fcport_fcp_prio(vha, fcport);
8666
8667         return ret;
8668 }
8669
8670 struct qla_qpair *qla2xxx_create_qpair(struct scsi_qla_host *vha, int qos,
8671         int vp_idx, bool startqp)
8672 {
8673         int rsp_id = 0;
8674         int  req_id = 0;
8675         int i;
8676         struct qla_hw_data *ha = vha->hw;
8677         uint16_t qpair_id = 0;
8678         struct qla_qpair *qpair = NULL;
8679         struct qla_msix_entry *msix;
8680
8681         if (!(ha->fw_attributes & BIT_6) || !ha->flags.msix_enabled) {
8682                 ql_log(ql_log_warn, vha, 0x00181,
8683                     "FW/Driver is not multi-queue capable.\n");
8684                 return NULL;
8685         }
8686
8687         if (ql2xmqsupport || ql2xnvmeenable) {
8688                 qpair = kzalloc(sizeof(struct qla_qpair), GFP_KERNEL);
8689                 if (qpair == NULL) {
8690                         ql_log(ql_log_warn, vha, 0x0182,
8691                             "Failed to allocate memory for queue pair.\n");
8692                         return NULL;
8693                 }
8694                 memset(qpair, 0, sizeof(struct qla_qpair));
8695
8696                 qpair->hw = vha->hw;
8697                 qpair->vha = vha;
8698                 qpair->qp_lock_ptr = &qpair->qp_lock;
8699                 spin_lock_init(&qpair->qp_lock);
8700                 qpair->use_shadow_reg = IS_SHADOW_REG_CAPABLE(ha) ? 1 : 0;
8701
8702                 /* Assign available que pair id */
8703                 mutex_lock(&ha->mq_lock);
8704                 qpair_id = find_first_zero_bit(ha->qpair_qid_map, ha->max_qpairs);
8705                 if (ha->num_qpairs >= ha->max_qpairs) {
8706                         mutex_unlock(&ha->mq_lock);
8707                         ql_log(ql_log_warn, vha, 0x0183,
8708                             "No resources to create additional q pair.\n");
8709                         goto fail_qid_map;
8710                 }
8711                 ha->num_qpairs++;
8712                 set_bit(qpair_id, ha->qpair_qid_map);
8713                 ha->queue_pair_map[qpair_id] = qpair;
8714                 qpair->id = qpair_id;
8715                 qpair->vp_idx = vp_idx;
8716                 qpair->fw_started = ha->flags.fw_started;
8717                 INIT_LIST_HEAD(&qpair->hints_list);
8718                 qpair->chip_reset = ha->base_qpair->chip_reset;
8719                 qpair->enable_class_2 = ha->base_qpair->enable_class_2;
8720                 qpair->enable_explicit_conf =
8721                     ha->base_qpair->enable_explicit_conf;
8722
8723                 for (i = 0; i < ha->msix_count; i++) {
8724                         msix = &ha->msix_entries[i];
8725                         if (msix->in_use)
8726                                 continue;
8727                         qpair->msix = msix;
8728                         ql_dbg(ql_dbg_multiq, vha, 0xc00f,
8729                             "Vector %x selected for qpair\n", msix->vector);
8730                         break;
8731                 }
8732                 if (!qpair->msix) {
8733                         ql_log(ql_log_warn, vha, 0x0184,
8734                             "Out of MSI-X vectors!.\n");
8735                         goto fail_msix;
8736                 }
8737
8738                 qpair->msix->in_use = 1;
8739                 list_add_tail(&qpair->qp_list_elem, &vha->qp_list);
8740                 qpair->pdev = ha->pdev;
8741                 if (IS_QLA27XX(ha) || IS_QLA83XX(ha))
8742                         qpair->reqq_start_iocbs = qla_83xx_start_iocbs;
8743
8744                 mutex_unlock(&ha->mq_lock);
8745
8746                 /* Create response queue first */
8747                 rsp_id = qla25xx_create_rsp_que(ha, 0, 0, 0, qpair, startqp);
8748                 if (!rsp_id) {
8749                         ql_log(ql_log_warn, vha, 0x0185,
8750                             "Failed to create response queue.\n");
8751                         goto fail_rsp;
8752                 }
8753
8754                 qpair->rsp = ha->rsp_q_map[rsp_id];
8755
8756                 /* Create request queue */
8757                 req_id = qla25xx_create_req_que(ha, 0, vp_idx, 0, rsp_id, qos,
8758                     startqp);
8759                 if (!req_id) {
8760                         ql_log(ql_log_warn, vha, 0x0186,
8761                             "Failed to create request queue.\n");
8762                         goto fail_req;
8763                 }
8764
8765                 qpair->req = ha->req_q_map[req_id];
8766                 qpair->rsp->req = qpair->req;
8767                 qpair->rsp->qpair = qpair;
8768                 /* init qpair to this cpu. Will adjust at run time. */
8769                 qla_cpu_update(qpair, smp_processor_id());
8770
8771                 if (IS_T10_PI_CAPABLE(ha) && ql2xenabledif) {
8772                         if (ha->fw_attributes & BIT_4)
8773                                 qpair->difdix_supported = 1;
8774                 }
8775
8776                 qpair->srb_mempool = mempool_create_slab_pool(SRB_MIN_REQ, srb_cachep);
8777                 if (!qpair->srb_mempool) {
8778                         ql_log(ql_log_warn, vha, 0xd036,
8779                             "Failed to create srb mempool for qpair %d\n",
8780                             qpair->id);
8781                         goto fail_mempool;
8782                 }
8783
8784                 /* Mark as online */
8785                 qpair->online = 1;
8786
8787                 if (!vha->flags.qpairs_available)
8788                         vha->flags.qpairs_available = 1;
8789
8790                 ql_dbg(ql_dbg_multiq, vha, 0xc00d,
8791                     "Request/Response queue pair created, id %d\n",
8792                     qpair->id);
8793                 ql_dbg(ql_dbg_init, vha, 0x0187,
8794                     "Request/Response queue pair created, id %d\n",
8795                     qpair->id);
8796         }
8797         return qpair;
8798
8799 fail_mempool:
8800 fail_req:
8801         qla25xx_delete_rsp_que(vha, qpair->rsp);
8802 fail_rsp:
8803         mutex_lock(&ha->mq_lock);
8804         qpair->msix->in_use = 0;
8805         list_del(&qpair->qp_list_elem);
8806         if (list_empty(&vha->qp_list))
8807                 vha->flags.qpairs_available = 0;
8808 fail_msix:
8809         ha->queue_pair_map[qpair_id] = NULL;
8810         clear_bit(qpair_id, ha->qpair_qid_map);
8811         ha->num_qpairs--;
8812         mutex_unlock(&ha->mq_lock);
8813 fail_qid_map:
8814         kfree(qpair);
8815         return NULL;
8816 }
8817
8818 int qla2xxx_delete_qpair(struct scsi_qla_host *vha, struct qla_qpair *qpair)
8819 {
8820         int ret = QLA_FUNCTION_FAILED;
8821         struct qla_hw_data *ha = qpair->hw;
8822
8823         qpair->delete_in_progress = 1;
8824         while (atomic_read(&qpair->ref_count))
8825                 msleep(500);
8826
8827         ret = qla25xx_delete_req_que(vha, qpair->req);
8828         if (ret != QLA_SUCCESS)
8829                 goto fail;
8830
8831         ret = qla25xx_delete_rsp_que(vha, qpair->rsp);
8832         if (ret != QLA_SUCCESS)
8833                 goto fail;
8834
8835         mutex_lock(&ha->mq_lock);
8836         ha->queue_pair_map[qpair->id] = NULL;
8837         clear_bit(qpair->id, ha->qpair_qid_map);
8838         ha->num_qpairs--;
8839         list_del(&qpair->qp_list_elem);
8840         if (list_empty(&vha->qp_list)) {
8841                 vha->flags.qpairs_available = 0;
8842                 vha->flags.qpairs_req_created = 0;
8843                 vha->flags.qpairs_rsp_created = 0;
8844         }
8845         mempool_destroy(qpair->srb_mempool);
8846         kfree(qpair);
8847         mutex_unlock(&ha->mq_lock);
8848
8849         return QLA_SUCCESS;
8850 fail:
8851         return ret;
8852 }